diff options
Diffstat (limited to 'libc')
44 files changed, 6783 insertions, 1 deletions
diff --git a/libc/string/Makefile b/libc/string/Makefile index 6b516c1c5..600f3b81d 100644 --- a/libc/string/Makefile +++ b/libc/string/Makefile @@ -31,7 +31,7 @@ DIRS += $(TARGET_ARCH) endif endif -ALL_SUBDIRS = generic arm frv i386 sh64 powerpc mips +ALL_SUBDIRS = generic arm frv i386 mips powerpc sh64 sparc MSRC= wstring.c MOBJ= basename.o bcopy.o bzero.o dirname.o ffs.o memccpy.o memchr.o memcmp.o \ diff --git a/libc/string/sparc/Makefile b/libc/string/sparc/Makefile new file mode 100644 index 000000000..2215a6025 --- /dev/null +++ b/libc/string/sparc/Makefile @@ -0,0 +1,31 @@ +# Makefile for uClibc +# +# Copyright (C) 2000-2005 Erik Andersen <andersen@uclibc.org> +# +# Licensed under the GNU Library General Public License version 2 or later. +# See the COPYING.LIB file in the toplevel for more information. + +TOPDIR=../../../ +include $(TOPDIR)Rules.mak + +CSRCS = $(wildcard *.c) +COBJS = $(patsubst %.c,%.o,$(CSRCS)) + +SSRCS = $(wildcard *.S) +SOBJS = $(patsubst %.S,%.o,$(SSRCS)) + +OBJS = $(COBJS) $(SOBJS) + +OBJ_LIST = ../../obj.string.$(TARGET_ARCH) + +all: $(OBJ_LIST) + +$(OBJ_LIST): $(OBJS) + echo $(patsubst %, string/$(TARGET_ARCH)/%, $(OBJS)) > $(OBJ_LIST) + +$(COBJS): %.o : %.c + $(CC) $(CFLAGS) -c $< -o $@ + $(STRIPTOOL) -x -R .note -R .comment $*.o + +clean: + $(RM) *.[oa] *~ core diff --git a/libc/string/sparc/_glibc_inc.h b/libc/string/sparc/_glibc_inc.h new file mode 100644 index 000000000..7840ba1bf --- /dev/null +++ b/libc/string/sparc/_glibc_inc.h @@ -0,0 +1,30 @@ +/* + * Setup some glibc defines so we can just drop in the + * asm files from glibc without any modification. + */ + +#include <features.h> +#include <bits/wordsize.h> + +#if __WORDSIZE == 32 +# define ENTRY_ALIGN 4 +#else +# define ENTRY_ALIGN 2 +#endif + +#define ENTRY(sym) \ + .global sym; \ + .align ENTRY_ALIGN; \ + .type sym,%function; \ + sym: + +#define LOC(sym) \ + .L ## sym + +#define END(sym) \ + .size sym,.-sym; + +#undef weak_alias +#define weak_alias(sym, alias) \ + .weak alias; \ + alias = sym; diff --git a/libc/string/sparc/bcopy.c b/libc/string/sparc/bcopy.c new file mode 100644 index 000000000..9a455f33c --- /dev/null +++ b/libc/string/sparc/bcopy.c @@ -0,0 +1 @@ +/* bcopy is in memcpy.S */ diff --git a/libc/string/sparc/bzero.c b/libc/string/sparc/bzero.c new file mode 100644 index 000000000..37f0f6f99 --- /dev/null +++ b/libc/string/sparc/bzero.c @@ -0,0 +1 @@ +/* bzero is in memset.S */ diff --git a/libc/string/sparc/memchr.S b/libc/string/sparc/memchr.S new file mode 100644 index 000000000..73e5101fd --- /dev/null +++ b/libc/string/sparc/memchr.S @@ -0,0 +1,13 @@ +#include "_glibc_inc.h" + +#if __WORDSIZE == 32 + +# if defined(__CONFIG_SPARC_V9B__) +# include "sparc32/sparcv9b/memchr.S" +# else +# include "sparc32/memchr.S" +# endif + +#else +# include "sparc64/memchr.S" +#endif diff --git a/libc/string/sparc/memcpy.S b/libc/string/sparc/memcpy.S new file mode 100644 index 000000000..478cb106f --- /dev/null +++ b/libc/string/sparc/memcpy.S @@ -0,0 +1,19 @@ +#include "_glibc_inc.h" + +#if __WORDSIZE == 32 + +# if defined(__CONFIG_SPARC_V9B__) +# include "sparc32/sparcv9b/memcpy.S" +# else +# include "sparc32/memcpy.S" +# endif + +#else + +# if defined(__CONFIG_SPARC_V9B__) +# include "sparc64/sparcv9b/memcpy.S" +# else +# include "sparc64/memcpy.S" +#endif + +#endif diff --git a/libc/string/sparc/memmove.c b/libc/string/sparc/memmove.c new file mode 100644 index 000000000..a8d2d4994 --- /dev/null +++ b/libc/string/sparc/memmove.c @@ -0,0 +1 @@ +/* memmove is in memcpy.S */ diff --git a/libc/string/sparc/memset.S b/libc/string/sparc/memset.S new file mode 100644 index 000000000..4aed77421 --- /dev/null +++ b/libc/string/sparc/memset.S @@ -0,0 +1,13 @@ +#include "_glibc_inc.h" + +#if __WORDSIZE == 32 + +# if defined(__CONFIG_SPARC_V9B__) +# include "sparc32/sparcv9b/memset.S" +# else +# include "sparc32/memset.S" +# endif + +#else +# include "sparc64/memset.S" +#endif diff --git a/libc/string/sparc/sparc32/memchr.S b/libc/string/sparc/sparc32/memchr.S new file mode 100644 index 000000000..c00df2427 --- /dev/null +++ b/libc/string/sparc/sparc32/memchr.S @@ -0,0 +1,144 @@ +/* memchr (str, ch, n) -- Return pointer to first occurrence of CH in STR less + than N. + For SPARC v7. + Copyright (C) 1996, 1999, 2000, 2003 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Jakub Jelinek <jj@ultra.linux.cz> and + David S. Miller <davem@caip.rutgers.edu>. + This version is developed using the same algorithm as the fast C + version which carries the following introduction: + Based on strlen implementation by Torbjorn Granlund (tege@sics.se), + with help from Dan Sahlin (dan@sics.se) and + commentary by Jim Blandy (jimb@ai.mit.edu); + adaptation to memchr suggested by Dick Karpinski (dick@cca.ucsf.edu), + and implemented by Roland McGrath (roland@ai.mit.edu). + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + + .text + .align 4 +0: cmp %o2, 0 + be 9f + sethi %hi(0x80808080), %o4 + ldub [%o0], %g4 + cmp %g4, %o1 + be 1f + add %o0, 1, %o0 + subcc %o2, 1, %o2 + be 9f + andcc %o0, 3, %g0 + be 4f + or %o4, %lo(0x80808080), %o3 + ldub [%o0], %g4 + cmp %g4, %o1 + be 1f + add %o0, 1, %o0 + subcc %o2, 1, %o2 + be 9f + andcc %o0, 3, %g0 + be 5f + sethi %hi(0x01010101), %o5 + ldub [%o0], %g4 + cmp %g4, %o1 + be 1f + add %o0, 1, %o0 + subcc %o2, 1, %o2 + bne,a 7f + and %o2, 3, %g1 + retl + clr %o0 +1: retl + sub %o0, 1, %o0 + +ENTRY(__memchr) + andcc %o1, 0xff, %o1 + sll %o1, 8, %g6 + andcc %o0, 3, %g0 + or %o1, %g6, %g6 + sll %g6, 16, %o3 + bne 0b + or %o3, %g6, %g2 + sethi %hi(0x80808080), %o4 + or %o4, %lo(0x80808080), %o3 +4: sethi %hi(0x01010101), %o5 +5: and %o2, 3, %g1 +7: andcc %o2, 0xfffffffc, %o2 + be 0f + or %o5, %lo(0x01010101), %g6 + ld [%o0], %g4 +6: xor %g4, %g2, %g5 + add %o0, 4, %o0 + sub %g5, %g6, %g5 + andcc %g5, %o3, %g0 + bne 8f + subcc %o2, 4, %o2 + bne,a 6b + ld [%o0], %g4 +0: cmp %g1, 0 +1: be 9f + add %o0, 4, %o0 + ldub [%o0 - 4], %g4 + cmp %g4, %o1 + be 4f + cmp %g1, 1 + be 9f + ldub [%o0 - 3], %g4 + cmp %g4, %o1 + be 3f + cmp %g1, 2 + be 9f + ldub [%o0 - 2], %g4 + cmp %g4, %o1 + be 2f + nop +9: retl + clr %o0 + + /* Check every byte. */ +8: srl %g4, 24, %g5 + and %g5, 0xff, %g5 + cmp %g5, %o1 + be 4f + srl %g4, 16, %g5 + and %g5, 0xff, %g5 + cmp %g5, %o1 + be 3f + srl %g4, 8, %g5 + and %g5, 0xff, %g5 + cmp %g5, %o1 + be 2f + and %g4, 0xff, %g5 + cmp %g5, %o1 + be 1f + cmp %o2, 0 + bne,a 6b + ld [%o0], %g4 + b 1b + cmp %g1, 0 +1: retl + sub %o0, 1, %o0 +2: retl + sub %o0, 2, %o0 +3: retl + sub %o0, 3, %o0 +4: retl + sub %o0, 4, %o0 +END(__memchr) + +weak_alias (__memchr, memchr) +#if !__BOUNDED_POINTERS__ +weak_alias (__memchr, __ubp_memchr) +#endif diff --git a/libc/string/sparc/sparc32/memcpy.S b/libc/string/sparc/sparc32/memcpy.S new file mode 100644 index 000000000..d0a80887b --- /dev/null +++ b/libc/string/sparc/sparc32/memcpy.S @@ -0,0 +1,966 @@ +/* Copy SIZE bytes from SRC to DEST. + For SPARC v7. + Copyright (C) 1996, 1999, 2003 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by David S. Miller <davem@caip.rutgers.edu>, + Eddie C. Dost <ecd@skynet.be> and + Jakub Jelinek <jj@ultra.linux.cz>. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +/* Both these macros have to start with exactly the same insn */ +#define MOVE_BIGCHUNK(src, dst, offset, t0, t1, t2, t3, t4, t5, t6, t7) \ + ldd [%src + offset + 0x00], %t0; \ + ldd [%src + offset + 0x08], %t2; \ + ldd [%src + offset + 0x10], %t4; \ + ldd [%src + offset + 0x18], %t6; \ + st %t0, [%dst + offset + 0x00]; \ + st %t1, [%dst + offset + 0x04]; \ + st %t2, [%dst + offset + 0x08]; \ + st %t3, [%dst + offset + 0x0c]; \ + st %t4, [%dst + offset + 0x10]; \ + st %t5, [%dst + offset + 0x14]; \ + st %t6, [%dst + offset + 0x18]; \ + st %t7, [%dst + offset + 0x1c]; + +#define MOVE_BIGALIGNCHUNK(src, dst, offset, t0, t1, t2, t3, t4, t5, t6, t7) \ + ldd [%src + offset + 0x00], %t0; \ + ldd [%src + offset + 0x08], %t2; \ + ldd [%src + offset + 0x10], %t4; \ + ldd [%src + offset + 0x18], %t6; \ + std %t0, [%dst + offset + 0x00]; \ + std %t2, [%dst + offset + 0x08]; \ + std %t4, [%dst + offset + 0x10]; \ + std %t6, [%dst + offset + 0x18]; + +#define MOVE_LASTCHUNK(src, dst, offset, t0, t1, t2, t3) \ + ldd [%src - offset - 0x10], %t0; \ + ldd [%src - offset - 0x08], %t2; \ + st %t0, [%dst - offset - 0x10]; \ + st %t1, [%dst - offset - 0x0c]; \ + st %t2, [%dst - offset - 0x08]; \ + st %t3, [%dst - offset - 0x04]; + +#define MOVE_LASTALIGNCHUNK(src, dst, offset, t0, t1, t2, t3) \ + ldd [%src - offset - 0x10], %t0; \ + ldd [%src - offset - 0x08], %t2; \ + std %t0, [%dst - offset - 0x10]; \ + std %t2, [%dst - offset - 0x08]; + +#define MOVE_SHORTCHUNK(src, dst, offset, t0, t1) \ + ldub [%src - offset - 0x02], %t0; \ + ldub [%src - offset - 0x01], %t1; \ + stb %t0, [%dst - offset - 0x02]; \ + stb %t1, [%dst - offset - 0x01]; + +/* Both these macros have to start with exactly the same insn */ +#define RMOVE_BIGCHUNK(src, dst, offset, t0, t1, t2, t3, t4, t5, t6, t7) \ + ldd [%src - offset - 0x20], %t0; \ + ldd [%src - offset - 0x18], %t2; \ + ldd [%src - offset - 0x10], %t4; \ + ldd [%src - offset - 0x08], %t6; \ + st %t0, [%dst - offset - 0x20]; \ + st %t1, [%dst - offset - 0x1c]; \ + st %t2, [%dst - offset - 0x18]; \ + st %t3, [%dst - offset - 0x14]; \ + st %t4, [%dst - offset - 0x10]; \ + st %t5, [%dst - offset - 0x0c]; \ + st %t6, [%dst - offset - 0x08]; \ + st %t7, [%dst - offset - 0x04]; + +#define RMOVE_BIGALIGNCHUNK(src, dst, offset, t0, t1, t2, t3, t4, t5, t6, t7) \ + ldd [%src - offset - 0x20], %t0; \ + ldd [%src - offset - 0x18], %t2; \ + ldd [%src - offset - 0x10], %t4; \ + ldd [%src - offset - 0x08], %t6; \ + std %t0, [%dst - offset - 0x20]; \ + std %t2, [%dst - offset - 0x18]; \ + std %t4, [%dst - offset - 0x10]; \ + std %t6, [%dst - offset - 0x08]; + +#define RMOVE_LASTCHUNK(src, dst, offset, t0, t1, t2, t3) \ + ldd [%src + offset + 0x00], %t0; \ + ldd [%src + offset + 0x08], %t2; \ + st %t0, [%dst + offset + 0x00]; \ + st %t1, [%dst + offset + 0x04]; \ + st %t2, [%dst + offset + 0x08]; \ + st %t3, [%dst + offset + 0x0c]; + +#define RMOVE_SHORTCHUNK(src, dst, offset, t0, t1) \ + ldub [%src + offset + 0x00], %t0; \ + ldub [%src + offset + 0x01], %t1; \ + stb %t0, [%dst + offset + 0x00]; \ + stb %t1, [%dst + offset + 0x01]; + +#define SMOVE_CHUNK(src, dst, offset, t0, t1, t2, t3, t4, t5, t6, prev, shil, shir, offset2) \ + ldd [%src + offset + 0x00], %t0; \ + ldd [%src + offset + 0x08], %t2; \ + srl %t0, shir, %t5; \ + srl %t1, shir, %t6; \ + sll %t0, shil, %t0; \ + or %t5, %prev, %t5; \ + sll %t1, shil, %prev; \ + or %t6, %t0, %t0; \ + srl %t2, shir, %t1; \ + srl %t3, shir, %t6; \ + sll %t2, shil, %t2; \ + or %t1, %prev, %t1; \ + std %t4, [%dst + offset + offset2 - 0x04]; \ + std %t0, [%dst + offset + offset2 + 0x04]; \ + sll %t3, shil, %prev; \ + or %t6, %t2, %t4; + +#define SMOVE_ALIGNCHUNK(src, dst, offset, t0, t1, t2, t3, t4, t5, t6, prev, shil, shir, offset2) \ + ldd [%src + offset + 0x00], %t0; \ + ldd [%src + offset + 0x08], %t2; \ + srl %t0, shir, %t4; \ + srl %t1, shir, %t5; \ + sll %t0, shil, %t6; \ + or %t4, %prev, %t0; \ + sll %t1, shil, %prev; \ + or %t5, %t6, %t1; \ + srl %t2, shir, %t4; \ + srl %t3, shir, %t5; \ + sll %t2, shil, %t6; \ + or %t4, %prev, %t2; \ + sll %t3, shil, %prev; \ + or %t5, %t6, %t3; \ + std %t0, [%dst + offset + offset2 + 0x00]; \ + std %t2, [%dst + offset + offset2 + 0x08]; + + .text + .align 4 + +70: andcc %o1, 1, %g0 + be 4f + andcc %o1, 2, %g0 + + ldub [%o1 - 1], %g2 + sub %o1, 1, %o1 + stb %g2, [%o0 - 1] + sub %o2, 1, %o2 + be 3f + sub %o0, 1, %o0 +4: lduh [%o1 - 2], %g2 + sub %o1, 2, %o1 + sth %g2, [%o0 - 2] + sub %o2, 2, %o2 + b 3f + sub %o0, 2, %o0 + +ENTRY(bcopy) + mov %o0, %o3 + mov %o1, %o0 + mov %o3, %o1 +END(bcopy) +ENTRY(memmove) + cmp %o0, %o1 + st %o0, [%sp + 64] + bleu 9f + sub %o0, %o1, %o4 + + add %o1, %o2, %o3 + cmp %o3, %o0 + bleu 0f + andcc %o4, 3, %o5 + + add %o1, %o2, %o1 + add %o0, %o2, %o0 + bne 77f + cmp %o2, 15 + bleu 91f + andcc %o1, 3, %g0 + bne 70b +3: andcc %o1, 4, %g0 + + be 2f + mov %o2, %g1 + + ld [%o1 - 4], %o4 + sub %g1, 4, %g1 + st %o4, [%o0 - 4] + sub %o1, 4, %o1 + sub %o0, 4, %o0 +2: andcc %g1, 0xffffff80, %g6 + be 3f + andcc %o0, 4, %g0 + + be 74f + 4 +5: RMOVE_BIGCHUNK(o1, o0, 0x00, o2, o3, o4, o5, g2, g3, g4, g5) + RMOVE_BIGCHUNK(o1, o0, 0x20, o2, o3, o4, o5, g2, g3, g4, g5) + RMOVE_BIGCHUNK(o1, o0, 0x40, o2, o3, o4, o5, g2, g3, g4, g5) + RMOVE_BIGCHUNK(o1, o0, 0x60, o2, o3, o4, o5, g2, g3, g4, g5) + subcc %g6, 128, %g6 + sub %o1, 128, %o1 + bne 5b + sub %o0, 128, %o0 + +3: andcc %g1, 0x70, %g6 + be 72f + andcc %g1, 8, %g0 + + srl %g6, 1, %o4 + mov %o7, %g2 + add %g6, %o4, %o4 +101: call 100f + sub %o1, %g6, %o1 + mov %g2, %o7 + jmpl %o5 + (72f - 101b), %g0 + sub %o0, %g6, %o0 + +71: RMOVE_LASTCHUNK(o1, o0, 0x60, g2, g3, g4, g5) + RMOVE_LASTCHUNK(o1, o0, 0x50, g2, g3, g4, g5) + RMOVE_LASTCHUNK(o1, o0, 0x40, g2, g3, g4, g5) + RMOVE_LASTCHUNK(o1, o0, 0x30, g2, g3, g4, g5) + RMOVE_LASTCHUNK(o1, o0, 0x20, g2, g3, g4, g5) + RMOVE_LASTCHUNK(o1, o0, 0x10, g2, g3, g4, g5) + RMOVE_LASTCHUNK(o1, o0, 0x00, g2, g3, g4, g5) +72: be 73f + andcc %g1, 4, %g0 + + ldd [%o1 - 0x08], %g2 + sub %o0, 8, %o0 + sub %o1, 8, %o1 + st %g2, [%o0] + st %g3, [%o0 + 0x04] +73: be 1f + andcc %g1, 2, %g0 + + ld [%o1 - 4], %g2 + sub %o1, 4, %o1 + st %g2, [%o0 - 4] + sub %o0, 4, %o0 +1: be 1f + andcc %g1, 1, %g0 + + lduh [%o1 - 2], %g2 + sub %o1, 2, %o1 + sth %g2, [%o0 - 2] + sub %o0, 2, %o0 +1: be 1f + nop + + ldub [%o1 - 1], %g2 + stb %g2, [%o0 - 1] +1: retl + ld [%sp + 64], %o0 + +74: RMOVE_BIGALIGNCHUNK(o1, o0, 0x00, o2, o3, o4, o5, g2, g3, g4, g5) + RMOVE_BIGALIGNCHUNK(o1, o0, 0x20, o2, o3, o4, o5, g2, g3, g4, g5) + RMOVE_BIGALIGNCHUNK(o1, o0, 0x40, o2, o3, o4, o5, g2, g3, g4, g5) + RMOVE_BIGALIGNCHUNK(o1, o0, 0x60, o2, o3, o4, o5, g2, g3, g4, g5) + subcc %g6, 128, %g6 + sub %o1, 128, %o1 + bne 74b + sub %o0, 128, %o0 + + andcc %g1, 0x70, %g6 + be 72b + andcc %g1, 8, %g0 + + srl %g6, 1, %o4 + mov %o7, %g2 + add %g6, %o4, %o4 +102: call 100f + sub %o1, %g6, %o1 + mov %g2, %o7 + jmpl %o5 + (72b - 102b), %g0 + sub %o0, %g6, %o0 + +75: and %o2, 0xe, %o3 + mov %o7, %g2 + sll %o3, 3, %o4 + sub %o0, %o3, %o0 +103: call 100f + sub %o1, %o3, %o1 + mov %g2, %o7 + jmpl %o5 + (76f - 103b), %g0 + andcc %o2, 1, %g0 + + RMOVE_SHORTCHUNK(o1, o0, 0x0c, g2, g3) + RMOVE_SHORTCHUNK(o1, o0, 0x0a, g2, g3) + RMOVE_SHORTCHUNK(o1, o0, 0x08, g2, g3) + RMOVE_SHORTCHUNK(o1, o0, 0x06, g2, g3) + RMOVE_SHORTCHUNK(o1, o0, 0x04, g2, g3) + RMOVE_SHORTCHUNK(o1, o0, 0x02, g2, g3) + RMOVE_SHORTCHUNK(o1, o0, 0x00, g2, g3) + +76: be 1f + nop + ldub [%o1 - 1], %g2 + stb %g2, [%o0 - 1] +1: retl + ld [%sp + 64], %o0 + +91: bne 75b + andcc %o2, 8, %g0 + + be 1f + andcc %o2, 4, %g0 + + ld [%o1 - 0x08], %g2 + ld [%o1 - 0x04], %g3 + sub %o1, 8, %o1 + st %g2, [%o0 - 0x08] + st %g3, [%o0 - 0x04] + sub %o0, 8, %o0 +1: b 73b + mov %o2, %g1 + +77: cmp %o2, 15 + bleu 75b + andcc %o0, 3, %g0 + be 64f + andcc %o0, 1, %g0 + be 63f + andcc %o0, 2, %g0 + ldub [%o1 - 1], %g5 + sub %o1, 1, %o1 + stb %g5, [%o0 - 1] + sub %o0, 1, %o0 + be 64f + sub %o2, 1, %o2 + +63: ldub [%o1 - 1], %g5 + sub %o1, 2, %o1 + stb %g5, [%o0 - 1] + sub %o0, 2, %o0 + ldub [%o1], %g5 + sub %o2, 2, %o2 + stb %g5, [%o0] +64: and %o1, 3, %g2 + and %o1, -4, %o1 + and %o2, 0xc, %g3 + add %o1, 4, %o1 + cmp %g3, 4 + sll %g2, 3, %g4 + mov 32, %g2 + be 4f + sub %g2, %g4, %g6 + + blu 3f + cmp %g3, 8 + + be 2f + srl %o2, 2, %g3 + + ld [%o1 - 4], %o3 + add %o0, -8, %o0 + ld [%o1 - 8], %o4 + add %o1, -16, %o1 + b 7f + add %g3, 1, %g3 +2: ld [%o1 - 4], %o4 + add %o0, -4, %o0 + ld [%o1 - 8], %g1 + add %o1, -12, %o1 + b 8f + add %g3, 2, %g3 +3: ld [%o1 - 4], %o5 + add %o0, -12, %o0 + ld [%o1 - 8], %o3 + add %o1, -20, %o1 + b 6f + srl %o2, 2, %g3 +4: ld [%o1 - 4], %g1 + srl %o2, 2, %g3 + ld [%o1 - 8], %o5 + add %o1, -24, %o1 + add %o0, -16, %o0 + add %g3, -1, %g3 + + ld [%o1 + 12], %o3 +5: sll %o5, %g4, %g2 + srl %g1, %g6, %g5 + or %g2, %g5, %g2 + st %g2, [%o0 + 12] +6: ld [%o1 + 8], %o4 + sll %o3, %g4, %g2 + srl %o5, %g6, %g5 + or %g2, %g5, %g2 + st %g2, [%o0 + 8] +7: ld [%o1 + 4], %g1 + sll %o4, %g4, %g2 + srl %o3, %g6, %g5 + or %g2, %g5, %g2 + st %g2, [%o0 + 4] +8: ld [%o1], %o5 + sll %g1, %g4, %g2 + srl %o4, %g6, %g5 + addcc %g3, -4, %g3 + or %g2, %g5, %g2 + add %o1, -16, %o1 + st %g2, [%o0] + add %o0, -16, %o0 + bne,a 5b + ld [%o1 + 12], %o3 + sll %o5, %g4, %g2 + srl %g1, %g6, %g5 + srl %g4, 3, %g3 + or %g2, %g5, %g2 + add %o1, %g3, %o1 + andcc %o2, 2, %g0 + st %g2, [%o0 + 12] + be 1f + andcc %o2, 1, %g0 + + ldub [%o1 + 15], %g5 + add %o1, -2, %o1 + stb %g5, [%o0 + 11] + add %o0, -2, %o0 + ldub [%o1 + 16], %g5 + stb %g5, [%o0 + 12] +1: be 1f + nop + ldub [%o1 + 15], %g5 + stb %g5, [%o0 + 11] +1: retl + ld [%sp + 64], %o0 + +78: andcc %o1, 1, %g0 + be 4f + andcc %o1, 2, %g0 + + ldub [%o1], %g2 + add %o1, 1, %o1 + stb %g2, [%o0] + sub %o2, 1, %o2 + bne 3f + add %o0, 1, %o0 +4: lduh [%o1], %g2 + add %o1, 2, %o1 + sth %g2, [%o0] + sub %o2, 2, %o2 + b 3f + add %o0, 2, %o0 +END(memmove) + +ENTRY(memcpy) /* %o0=dst %o1=src %o2=len */ + sub %o0, %o1, %o4 + st %o0, [%sp + 64] +9: andcc %o4, 3, %o5 +0: bne 86f + cmp %o2, 15 + + bleu 90f + andcc %o1, 3, %g0 + + bne 78b +3: andcc %o1, 4, %g0 + + be 2f + mov %o2, %g1 + + ld [%o1], %o4 + sub %g1, 4, %g1 + st %o4, [%o0] + add %o1, 4, %o1 + add %o0, 4, %o0 +2: andcc %g1, 0xffffff80, %g6 + be 3f + andcc %o0, 4, %g0 + + be 82f + 4 +5: MOVE_BIGCHUNK(o1, o0, 0x00, o2, o3, o4, o5, g2, g3, g4, g5) + MOVE_BIGCHUNK(o1, o0, 0x20, o2, o3, o4, o5, g2, g3, g4, g5) + MOVE_BIGCHUNK(o1, o0, 0x40, o2, o3, o4, o5, g2, g3, g4, g5) + MOVE_BIGCHUNK(o1, o0, 0x60, o2, o3, o4, o5, g2, g3, g4, g5) + subcc %g6, 128, %g6 + add %o1, 128, %o1 + bne 5b + add %o0, 128, %o0 +3: andcc %g1, 0x70, %g6 + be 80f + andcc %g1, 8, %g0 + + srl %g6, 1, %o4 + mov %o7, %g2 + add %g6, %o4, %o4 + add %o1, %g6, %o1 +104: call 100f + add %o0, %g6, %o0 + jmpl %o5 + (80f - 104b), %g0 + mov %g2, %o7 + +79: MOVE_LASTCHUNK(o1, o0, 0x60, g2, g3, g4, g5) + MOVE_LASTCHUNK(o1, o0, 0x50, g2, g3, g4, g5) + MOVE_LASTCHUNK(o1, o0, 0x40, g2, g3, g4, g5) + MOVE_LASTCHUNK(o1, o0, 0x30, g2, g3, g4, g5) + MOVE_LASTCHUNK(o1, o0, 0x20, g2, g3, g4, g5) + MOVE_LASTCHUNK(o1, o0, 0x10, g2, g3, g4, g5) + MOVE_LASTCHUNK(o1, o0, 0x00, g2, g3, g4, g5) + +80: be 81f + andcc %g1, 4, %g0 + + ldd [%o1], %g2 + add %o0, 8, %o0 + st %g2, [%o0 - 0x08] + add %o1, 8, %o1 + st %g3, [%o0 - 0x04] + +81: be 1f + andcc %g1, 2, %g0 + + ld [%o1], %g2 + add %o1, 4, %o1 + st %g2, [%o0] + add %o0, 4, %o0 +1: be 1f + andcc %g1, 1, %g0 + + lduh [%o1], %g2 + add %o1, 2, %o1 + sth %g2, [%o0] + add %o0, 2, %o0 +1: be 1f + nop + + ldub [%o1], %g2 + stb %g2, [%o0] +1: retl + ld [%sp + 64], %o0 + +82: /* ldd_std */ + MOVE_BIGALIGNCHUNK(o1, o0, 0x00, o2, o3, o4, o5, g2, g3, g4, g5) + MOVE_BIGALIGNCHUNK(o1, o0, 0x20, o2, o3, o4, o5, g2, g3, g4, g5) + MOVE_BIGALIGNCHUNK(o1, o0, 0x40, o2, o3, o4, o5, g2, g3, g4, g5) + MOVE_BIGALIGNCHUNK(o1, o0, 0x60, o2, o3, o4, o5, g2, g3, g4, g5) + subcc %g6, 128, %g6 + add %o1, 128, %o1 + bne 82b + add %o0, 128, %o0 + + andcc %g1, 0x70, %g6 + be 84f + andcc %g1, 8, %g0 + + mov %o7, %g2 +111: call 110f + add %o1, %g6, %o1 + mov %g2, %o7 + jmpl %o5 + (84f - 111b), %g0 + add %o0, %g6, %o0 + +83: MOVE_LASTALIGNCHUNK(o1, o0, 0x60, g2, g3, g4, g5) + MOVE_LASTALIGNCHUNK(o1, o0, 0x50, g2, g3, g4, g5) + MOVE_LASTALIGNCHUNK(o1, o0, 0x40, g2, g3, g4, g5) + MOVE_LASTALIGNCHUNK(o1, o0, 0x30, g2, g3, g4, g5) + MOVE_LASTALIGNCHUNK(o1, o0, 0x20, g2, g3, g4, g5) + MOVE_LASTALIGNCHUNK(o1, o0, 0x10, g2, g3, g4, g5) + MOVE_LASTALIGNCHUNK(o1, o0, 0x00, g2, g3, g4, g5) + +84: be 85f + andcc %g1, 4, %g0 + + ldd [%o1], %g2 + add %o0, 8, %o0 + std %g2, [%o0 - 0x08] + add %o1, 8, %o1 +85: be 1f + andcc %g1, 2, %g0 + + ld [%o1], %g2 + add %o1, 4, %o1 + st %g2, [%o0] + add %o0, 4, %o0 +1: be 1f + andcc %g1, 1, %g0 + + lduh [%o1], %g2 + add %o1, 2, %o1 + sth %g2, [%o0] + add %o0, 2, %o0 +1: be 1f + nop + + ldub [%o1], %g2 + stb %g2, [%o0] +1: retl + ld [%sp + 64], %o0 + +86: cmp %o2, 6 + bleu 88f + + cmp %o2, 256 + bcc 87f + + andcc %o0, 3, %g0 + be 61f + andcc %o0, 1, %g0 + be 60f + andcc %o0, 2, %g0 + + ldub [%o1], %g5 + add %o1, 1, %o1 + stb %g5, [%o0] + sub %o2, 1, %o2 + bne 61f + add %o0, 1, %o0 +60: ldub [%o1], %g3 + add %o1, 2, %o1 + stb %g3, [%o0] + sub %o2, 2, %o2 + ldub [%o1 - 1], %g3 + add %o0, 2, %o0 + stb %g3, [%o0 - 1] +61: and %o1, 3, %g2 + and %o2, 0xc, %g3 + and %o1, -4, %o1 + cmp %g3, 4 + sll %g2, 3, %g4 + mov 32, %g2 + be 4f + sub %g2, %g4, %g6 + + blu 3f + cmp %g3, 0x8 + + be 2f + srl %o2, 2, %g3 + + ld [%o1], %o3 + add %o0, -8, %o0 + ld [%o1 + 4], %o4 + b 8f + add %g3, 1, %g3 +2: ld [%o1], %o4 + add %o0, -12, %o0 + ld [%o1 + 4], %o5 + add %g3, 2, %g3 + b 9f + add %o1, -4, %o1 +3: ld [%o1], %g1 + add %o0, -4, %o0 + ld [%o1 + 4], %o3 + srl %o2, 2, %g3 + b 7f + add %o1, 4, %o1 +4: ld [%o1], %o5 + cmp %o2, 7 + ld [%o1 + 4], %g1 + srl %o2, 2, %g3 + bleu 10f + add %o1, 8, %o1 + + ld [%o1], %o3 + add %g3, -1, %g3 +5: sll %o5, %g4, %g2 + srl %g1, %g6, %g5 + or %g2, %g5, %g2 + st %g2, [%o0] +7: ld [%o1 + 4], %o4 + sll %g1, %g4, %g2 + srl %o3, %g6, %g5 + or %g2, %g5, %g2 + st %g2, [%o0 + 4] +8: ld [%o1 + 8], %o5 + sll %o3, %g4, %g2 + srl %o4, %g6, %g5 + or %g2, %g5, %g2 + st %g2, [%o0 + 8] +9: ld [%o1 + 12], %g1 + sll %o4, %g4, %g2 + srl %o5, %g6, %g5 + addcc %g3, -4, %g3 + or %g2, %g5, %g2 + add %o1, 16, %o1 + st %g2, [%o0 + 12] + add %o0, 16, %o0 + bne,a 5b + ld [%o1], %o3 +10: sll %o5, %g4, %g2 + srl %g1, %g6, %g5 + srl %g6, 3, %g3 + or %g2, %g5, %g2 + sub %o1, %g3, %o1 + andcc %o2, 2, %g0 + st %g2, [%o0] + be 1f + andcc %o2, 1, %g0 + + ldub [%o1], %g2 + add %o1, 2, %o1 + stb %g2, [%o0 + 4] + add %o0, 2, %o0 + ldub [%o1 - 1], %g2 + stb %g2, [%o0 + 3] +1: be 1f + nop + ldub [%o1], %g2 + stb %g2, [%o0 + 4] +1: retl + ld [%sp + 64], %o0 + +87: andcc %o1, 3, %g0 + be 3f + andcc %o1, 1, %g0 + + be 4f + andcc %o1, 2, %g0 + + ldub [%o1], %g2 + add %o1, 1, %o1 + stb %g2, [%o0] + sub %o2, 1, %o2 + bne 3f + add %o0, 1, %o0 +4: lduh [%o1], %g2 + add %o1, 2, %o1 + srl %g2, 8, %g3 + sub %o2, 2, %o2 + stb %g3, [%o0] + add %o0, 2, %o0 + stb %g2, [%o0 - 1] +3: andcc %o1, 4, %g0 + + bne 2f + cmp %o5, 1 + + ld [%o1], %o4 + srl %o4, 24, %g2 + stb %g2, [%o0] + srl %o4, 16, %g3 + stb %g3, [%o0 + 1] + srl %o4, 8, %g2 + stb %g2, [%o0 + 2] + sub %o2, 4, %o2 + stb %o4, [%o0 + 3] + add %o1, 4, %o1 + add %o0, 4, %o0 +2: be 33f + cmp %o5, 2 + be 32f + sub %o2, 4, %o2 +31: ld [%o1], %g2 + add %o1, 4, %o1 + srl %g2, 24, %g3 + and %o0, 7, %g5 + stb %g3, [%o0] + cmp %g5, 7 + sll %g2, 8, %g1 + add %o0, 4, %o0 + be 41f + and %o2, 0xffffffc0, %o3 + ld [%o0 - 7], %o4 +4: SMOVE_CHUNK(o1, o0, 0x00, g2, g3, g4, g5, o4, o5, g6, g1, 8, 24, -3) + SMOVE_CHUNK(o1, o0, 0x10, g2, g3, g4, g5, o4, o5, g6, g1, 8, 24, -3) + SMOVE_CHUNK(o1, o0, 0x20, g2, g3, g4, g5, o4, o5, g6, g1, 8, 24, -3) + SMOVE_CHUNK(o1, o0, 0x30, g2, g3, g4, g5, o4, o5, g6, g1, 8, 24, -3) + subcc %o3, 64, %o3 + add %o1, 64, %o1 + bne 4b + add %o0, 64, %o0 + + andcc %o2, 0x30, %o3 + be,a 1f + srl %g1, 16, %g2 +4: SMOVE_CHUNK(o1, o0, 0x00, g2, g3, g4, g5, o4, o5, g6, g1, 8, 24, -3) + subcc %o3, 16, %o3 + add %o1, 16, %o1 + bne 4b + add %o0, 16, %o0 + + srl %g1, 16, %g2 +1: st %o4, [%o0 - 7] + sth %g2, [%o0 - 3] + srl %g1, 8, %g4 + b 88f + stb %g4, [%o0 - 1] +32: ld [%o1], %g2 + add %o1, 4, %o1 + srl %g2, 16, %g3 + and %o0, 7, %g5 + sth %g3, [%o0] + cmp %g5, 6 + sll %g2, 16, %g1 + add %o0, 4, %o0 + be 42f + and %o2, 0xffffffc0, %o3 + ld [%o0 - 6], %o4 +4: SMOVE_CHUNK(o1, o0, 0x00, g2, g3, g4, g5, o4, o5, g6, g1, 16, 16, -2) + SMOVE_CHUNK(o1, o0, 0x10, g2, g3, g4, g5, o4, o5, g6, g1, 16, 16, -2) + SMOVE_CHUNK(o1, o0, 0x20, g2, g3, g4, g5, o4, o5, g6, g1, 16, 16, -2) + SMOVE_CHUNK(o1, o0, 0x30, g2, g3, g4, g5, o4, o5, g6, g1, 16, 16, -2) + subcc %o3, 64, %o3 + add %o1, 64, %o1 + bne 4b + add %o0, 64, %o0 + + andcc %o2, 0x30, %o3 + be,a 1f + srl %g1, 16, %g2 +4: SMOVE_CHUNK(o1, o0, 0x00, g2, g3, g4, g5, o4, o5, g6, g1, 16, 16, -2) + subcc %o3, 16, %o3 + add %o1, 16, %o1 + bne 4b + add %o0, 16, %o0 + + srl %g1, 16, %g2 +1: st %o4, [%o0 - 6] + b 88f + sth %g2, [%o0 - 2] +33: ld [%o1], %g2 + sub %o2, 4, %o2 + srl %g2, 24, %g3 + and %o0, 7, %g5 + stb %g3, [%o0] + cmp %g5, 5 + srl %g2, 8, %g4 + sll %g2, 24, %g1 + sth %g4, [%o0 + 1] + add %o1, 4, %o1 + be 43f + and %o2, 0xffffffc0, %o3 + + ld [%o0 - 1], %o4 + add %o0, 4, %o0 +4: SMOVE_CHUNK(o1, o0, 0x00, g2, g3, g4, g5, o4, o5, g6, g1, 24, 8, -1) + SMOVE_CHUNK(o1, o0, 0x10, g2, g3, g4, g5, o4, o5, g6, g1, 24, 8, -1) + SMOVE_CHUNK(o1, o0, 0x20, g2, g3, g4, g5, o4, o5, g6, g1, 24, 8, -1) + SMOVE_CHUNK(o1, o0, 0x30, g2, g3, g4, g5, o4, o5, g6, g1, 24, 8, -1) + subcc %o3, 64, %o3 + add %o1, 64, %o1 + bne 4b + add %o0, 64, %o0 + + andcc %o2, 0x30, %o3 + be,a 1f + srl %g1, 24, %g2 +4: SMOVE_CHUNK(o1, o0, 0x00, g2, g3, g4, g5, o4, o5, g6, g1, 24, 8, -1) + subcc %o3, 16, %o3 + add %o1, 16, %o1 + bne 4b + add %o0, 16, %o0 + + srl %g1, 24, %g2 +1: st %o4, [%o0 - 5] + b 88f + stb %g2, [%o0 - 1] +41: SMOVE_ALIGNCHUNK(o1, o0, 0x00, g2, g3, g4, g5, o4, o5, g6, g1, 8, 24, -3) + SMOVE_ALIGNCHUNK(o1, o0, 0x10, g2, g3, g4, g5, o4, o5, g6, g1, 8, 24, -3) + SMOVE_ALIGNCHUNK(o1, o0, 0x20, g2, g3, g4, g5, o4, o5, g6, g1, 8, 24, -3) + SMOVE_ALIGNCHUNK(o1, o0, 0x30, g2, g3, g4, g5, o4, o5, g6, g1, 8, 24, -3) + subcc %o3, 64, %o3 + add %o1, 64, %o1 + bne 41b + add %o0, 64, %o0 + + andcc %o2, 0x30, %o3 + be,a 1f + srl %g1, 16, %g2 +4: SMOVE_ALIGNCHUNK(o1, o0, 0x00, g2, g3, g4, g5, o4, o5, g6, g1, 8, 24, -3) + subcc %o3, 16, %o3 + add %o1, 16, %o1 + bne 4b + add %o0, 16, %o0 + + srl %g1, 16, %g2 +1: sth %g2, [%o0 - 3] + srl %g1, 8, %g4 + b 88f + stb %g4, [%o0 - 1] +43: SMOVE_ALIGNCHUNK(o1, o0, 0x00, g2, g3, g4, g5, o4, o5, g6, g1, 24, 8, 3) + SMOVE_ALIGNCHUNK(o1, o0, 0x10, g2, g3, g4, g5, o4, o5, g6, g1, 24, 8, 3) + SMOVE_ALIGNCHUNK(o1, o0, 0x20, g2, g3, g4, g5, o4, o5, g6, g1, 24, 8, 3) + SMOVE_ALIGNCHUNK(o1, o0, 0x30, g2, g3, g4, g5, o4, o5, g6, g1, 24, 8, 3) + subcc %o3, 64, %o3 + add %o1, 64, %o1 + bne 43b + add %o0, 64, %o0 + + andcc %o2, 0x30, %o3 + be,a 1f + srl %g1, 24, %g2 +4: SMOVE_ALIGNCHUNK(o1, o0, 0x00, g2, g3, g4, g5, o4, o5, g6, g1, 24, 8, 3) + subcc %o3, 16, %o3 + add %o1, 16, %o1 + bne 4b + add %o0, 16, %o0 + + srl %g1, 24, %g2 +1: stb %g2, [%o0 + 3] + b 88f + add %o0, 4, %o0 +42: SMOVE_ALIGNCHUNK(o1, o0, 0x00, g2, g3, g4, g5, o4, o5, g6, g1, 16, 16, -2) + SMOVE_ALIGNCHUNK(o1, o0, 0x10, g2, g3, g4, g5, o4, o5, g6, g1, 16, 16, -2) + SMOVE_ALIGNCHUNK(o1, o0, 0x20, g2, g3, g4, g5, o4, o5, g6, g1, 16, 16, -2) + SMOVE_ALIGNCHUNK(o1, o0, 0x30, g2, g3, g4, g5, o4, o5, g6, g1, 16, 16, -2) + subcc %o3, 64, %o3 + add %o1, 64, %o1 + bne 42b + add %o0, 64, %o0 + + andcc %o2, 0x30, %o3 + be,a 1f + srl %g1, 16, %g2 +4: SMOVE_ALIGNCHUNK(o1, o0, 0x00, g2, g3, g4, g5, o4, o5, g6, g1, 16, 16, -2) + subcc %o3, 16, %o3 + add %o1, 16, %o1 + bne 4b + add %o0, 16, %o0 + + srl %g1, 16, %g2 +1: sth %g2, [%o0 - 2] + + /* Fall through */ + +88: and %o2, 0xe, %o3 + mov %o7, %g2 + sll %o3, 3, %o4 + add %o0, %o3, %o0 +106: call 100f + add %o1, %o3, %o1 + mov %g2, %o7 + jmpl %o5 + (89f - 106b), %g0 + andcc %o2, 1, %g0 + + MOVE_SHORTCHUNK(o1, o0, 0x0c, g2, g3) + MOVE_SHORTCHUNK(o1, o0, 0x0a, g2, g3) + MOVE_SHORTCHUNK(o1, o0, 0x08, g2, g3) + MOVE_SHORTCHUNK(o1, o0, 0x06, g2, g3) + MOVE_SHORTCHUNK(o1, o0, 0x04, g2, g3) + MOVE_SHORTCHUNK(o1, o0, 0x02, g2, g3) + MOVE_SHORTCHUNK(o1, o0, 0x00, g2, g3) + +89: be 1f + nop + + ldub [%o1], %g2 + stb %g2, [%o0] +1: retl + ld [%sp + 64], %o0 + +90: bne 88b + andcc %o2, 8, %g0 + + be 1f + andcc %o2, 4, %g0 + + ld [%o1 + 0x00], %g2 + ld [%o1 + 0x04], %g3 + add %o1, 8, %o1 + st %g2, [%o0 + 0x00] + st %g3, [%o0 + 0x04] + add %o0, 8, %o0 +1: b 81b + mov %o2, %g1 + +100: retl + sub %o7, %o4, %o5 +110: retl + sub %o7, %g6, %o5 +END(memcpy) diff --git a/libc/string/sparc/sparc32/memset.S b/libc/string/sparc/sparc32/memset.S new file mode 100644 index 000000000..02cebb791 --- /dev/null +++ b/libc/string/sparc/sparc32/memset.S @@ -0,0 +1,152 @@ +/* Set a block of memory to some byte value. + For SPARC v7. + Copyright (C) 1996, 1999, 2003 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by David S. Miller <davem@caip.rutgers.edu> and + Jakub Jelinek <jj@ultra.linux.cz>. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + + /* Store 64 bytes at (BASE + OFFSET) using value SOURCE. */ +#define ZERO_BIG_BLOCK(base, offset, source) \ + std source, [base + offset + 0x00]; \ + std source, [base + offset + 0x08]; \ + std source, [base + offset + 0x10]; \ + std source, [base + offset + 0x18]; \ + std source, [base + offset + 0x20]; \ + std source, [base + offset + 0x28]; \ + std source, [base + offset + 0x30]; \ + std source, [base + offset + 0x38]; + +#define ZERO_LAST_BLOCKS(base, offset, source) \ + std source, [base - offset - 0x38]; \ + std source, [base - offset - 0x30]; \ + std source, [base - offset - 0x28]; \ + std source, [base - offset - 0x20]; \ + std source, [base - offset - 0x18]; \ + std source, [base - offset - 0x10]; \ + std source, [base - offset - 0x08]; \ + std source, [base - offset - 0x00]; + + .text + .align 4 +ENTRY(__bzero) + b 1f + mov %g0, %g3 + +3: cmp %o2, 3 + be 2f + stb %g3, [%o0] + + cmp %o2, 2 + be 2f + stb %g3, [%o0 + 0x01] + + stb %g3, [%o0 + 0x02] +2: sub %o2, 4, %o2 + add %o1, %o2, %o1 + b 4f + sub %o0, %o2, %o0 +END(__bzero) + +ENTRY(memset) + and %o1, 0xff, %g3 + sll %g3, 8, %g2 + or %g3, %g2, %g3 + sll %g3, 16, %g2 + or %g3, %g2, %g3 + orcc %o2, %g0, %o1 +1: cmp %o1, 7 + bleu 7f + mov %o0, %g1 + + andcc %o0, 3, %o2 + bne 3b +4: andcc %o0, 4, %g0 + + be 2f + mov %g3, %g2 + + st %g3, [%o0] + sub %o1, 4, %o1 + add %o0, 4, %o0 +2: andcc %o1, 0xffffff80, %o3 + be 9f + andcc %o1, 0x78, %o2 +4: ZERO_BIG_BLOCK (%o0, 0x00, %g2) + subcc %o3, 128, %o3 + ZERO_BIG_BLOCK (%o0, 0x40, %g2) + bne 4b + add %o0, 128, %o0 + + orcc %o2, %g0, %g0 +9: be 6f + andcc %o1, 7, %o1 + + mov %o7, %g4 +101: call 100f + srl %o2, 1, %o3 + mov %g4, %o7 + jmpl %o4 + (20f + 64 - 101b), %g0 + add %o0, %o2, %o0 + +100: retl + sub %o7, %o3, %o4 + +20: ZERO_LAST_BLOCKS(%o0, 0x48, %g2) + ZERO_LAST_BLOCKS(%o0, 0x08, %g2) + +6: be 8f + andcc %o1, 4, %g0 + be 1f + andcc %o1, 2, %g0 + st %g3, [%o0] + add %o0, 4, %o0 +1: be 1f + andcc %o1, 1, %g0 + sth %g3, [%o0] + add %o0, 2, %o0 +1: bne,a 8f + stb %g3, [%o0] +8: retl + mov %g1, %o0 +7: orcc %o1, 0, %g0 + be 0f + subcc %o1, 1, %o1 + stb %g3, [%o0] + be 0f + subcc %o1, 1, %o1 + stb %g3, [%o0 + 1] + be 0f + subcc %o1, 1, %o1 + stb %g3, [%o0 + 2] + be 0f + subcc %o1, 1, %o1 + stb %g3, [%o0 + 3] + be 0f + subcc %o1, 1, %o1 + stb %g3, [%o0 + 4] + be 0f + subcc %o1, 1, %o1 + stb %g3, [%o0 + 5] + be 0f + subcc %o1, 1, %o1 + stb %g3, [%o0 + 6] +0: retl + nop +END(memset) + +weak_alias (__bzero, bzero) diff --git a/libc/string/sparc/sparc32/sparcv9b/memchr.S b/libc/string/sparc/sparc32/sparcv9b/memchr.S new file mode 100644 index 000000000..7e86a2972 --- /dev/null +++ b/libc/string/sparc/sparc32/sparcv9b/memchr.S @@ -0,0 +1,4 @@ +#define ASI_PNF 0x82 +#define ASI_BLK_P 0xf0 +#define XCC icc +#include "sparc64/memchr.S" diff --git a/libc/string/sparc/sparc32/sparcv9b/memcpy.S b/libc/string/sparc/sparc32/sparcv9b/memcpy.S new file mode 100644 index 000000000..7f697542e --- /dev/null +++ b/libc/string/sparc/sparc32/sparcv9b/memcpy.S @@ -0,0 +1,4 @@ +#define ASI_PNF 0x82 +#define ASI_BLK_P 0xf0 +#define XCC icc +#include "sparc64/sparcv9b/memcpy.S" diff --git a/libc/string/sparc/sparc32/sparcv9b/memset.S b/libc/string/sparc/sparc32/sparcv9b/memset.S new file mode 100644 index 000000000..ac67b7ab7 --- /dev/null +++ b/libc/string/sparc/sparc32/sparcv9b/memset.S @@ -0,0 +1,4 @@ +#define ASI_PNF 0x82 +#define ASI_BLK_P 0xf0 +#define XCC icc +#include <sparc64/memset.S> diff --git a/libc/string/sparc/sparc32/sparcv9b/stpcpy.S b/libc/string/sparc/sparc32/sparcv9b/stpcpy.S new file mode 100644 index 000000000..440ad7e21 --- /dev/null +++ b/libc/string/sparc/sparc32/sparcv9b/stpcpy.S @@ -0,0 +1,4 @@ +#define ASI_PNF 0x82 +#define ASI_BLK_P 0xf0 +#define XCC icc +#include <sparc64/stpcpy.S> diff --git a/libc/string/sparc/sparc32/sparcv9b/strcat.S b/libc/string/sparc/sparc32/sparcv9b/strcat.S new file mode 100644 index 000000000..7a2223570 --- /dev/null +++ b/libc/string/sparc/sparc32/sparcv9b/strcat.S @@ -0,0 +1,4 @@ +#define ASI_PNF 0x82 +#define ASI_BLK_P 0xf0 +#define XCC icc +#include <sparc64/strcat.S> diff --git a/libc/string/sparc/sparc32/sparcv9b/strchr.S b/libc/string/sparc/sparc32/sparcv9b/strchr.S new file mode 100644 index 000000000..ddd32120d --- /dev/null +++ b/libc/string/sparc/sparc32/sparcv9b/strchr.S @@ -0,0 +1,4 @@ +#define ASI_PNF 0x82 +#define ASI_BLK_P 0xf0 +#define XCC icc +#include <sparc64/strchr.S> diff --git a/libc/string/sparc/sparc32/sparcv9b/strcmp.S b/libc/string/sparc/sparc32/sparcv9b/strcmp.S new file mode 100644 index 000000000..5330f4359 --- /dev/null +++ b/libc/string/sparc/sparc32/sparcv9b/strcmp.S @@ -0,0 +1,4 @@ +#define ASI_PNF 0x82 +#define ASI_BLK_P 0xf0 +#define XCC icc +#include <sparc64/strcmp.S> diff --git a/libc/string/sparc/sparc32/sparcv9b/strcpy.S b/libc/string/sparc/sparc32/sparcv9b/strcpy.S new file mode 100644 index 000000000..0b35c9be0 --- /dev/null +++ b/libc/string/sparc/sparc32/sparcv9b/strcpy.S @@ -0,0 +1,4 @@ +#define ASI_PNF 0x82 +#define ASI_BLK_P 0xf0 +#define XCC icc +#include <sparc64/strcpy.S> diff --git a/libc/string/sparc/sparc32/sparcv9b/strlen.S b/libc/string/sparc/sparc32/sparcv9b/strlen.S new file mode 100644 index 000000000..b8f4dba4f --- /dev/null +++ b/libc/string/sparc/sparc32/sparcv9b/strlen.S @@ -0,0 +1,4 @@ +#define ASI_PNF 0x82 +#define ASI_BLK_P 0xf0 +#define XCC icc +#include <sparc64/strlen.S> diff --git a/libc/string/sparc/sparc32/stpcpy.S b/libc/string/sparc/sparc32/stpcpy.S new file mode 100644 index 000000000..b7e7a00f8 --- /dev/null +++ b/libc/string/sparc/sparc32/stpcpy.S @@ -0,0 +1,161 @@ +/* Copy SRC to DEST returning the address of the terminating '\0' in DEST. + For SPARC v7. + Copyright (C) 1996, 1999, 2002, 2004 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Jakub Jelinek <jj@ultra.linux.cz>. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + + /* Normally, this uses ((xword - 0x01010101) & 0x80808080) test + to find out if any byte in xword could be zero. This is fast, but + also gives false alarm for any byte in range 0x81-0xff. It does + not matter for correctness, as if this test tells us there could + be some zero byte, we check it byte by byte, but if bytes with + high bits set are common in the strings, then this will give poor + performance. You can #define EIGHTBIT_NOT_RARE and the algorithm + will use one tick slower, but more precise test + ((xword - 0x01010101) & (~xword) & 0x80808080), + which does not give any false alarms (but if some bits are set, + one cannot assume from it which bytes are zero and which are not). + It is yet to be measured, what is the correct default for glibc + in these days for an average user. + */ + + .text + .align 4 +10: ldub [%o1], %o5 + stb %o5, [%o0] + cmp %o5, 0 + add %o0, 1, %o0 + be 1f + add %o1, 1, %o1 + andcc %o1, 3, %g0 + be 4f + or %o4, %lo(0x80808080), %o3 + ldub [%o1], %o5 + stb %o5, [%o0] + cmp %o5, 0 + add %o0, 1, %o0 + be 1f + add %o1, 1, %o1 + andcc %o1, 3, %g0 + be 5f + sethi %hi(0x01010101), %o4 + ldub [%o1], %o5 + stb %o5, [%o0] + cmp %o5, 0 + add %o0, 1, %o0 + be 1f + add %o1, 1, %o1 + b 6f + or %o4, %lo(0x01010101), %o2 +1: retl + add %o0, -1, %o0 + +ENTRY(__stpcpy) + andcc %o1, 3, %g0 + bne 10b + sethi %hi(0x80808080), %o4 + or %o4, %lo(0x80808080), %o3 +4: sethi %hi(0x01010101), %o4 +5: or %o4, %lo(0x01010101), %o2 +6: andcc %o0, 3, %g0 + bne 16f + sub %g0, 4, %g1 + +11: add %g1, 4, %g1 + ld [%o1 + %g1], %o5 + sub %o5, %o2, %o4 +#ifdef EIGHTBIT_NOT_RARE + andn %o4, %o5, %o4 +#endif + andcc %o4, %o3, %g0 + be,a 11b + st %o5, [%o0 + %g1] + + /* Check every byte. */ + srl %o5, 24, %g5 + andcc %g5, 0xff, %g0 + be 14f + srl %o5, 16, %g5 + andcc %g5, 0xff, %g0 + be 13f + srl %o5, 8, %g5 + andcc %g5, 0xff, %g0 + be 12f + andcc %o5, 0xff, %g0 + bne 11b + st %o5, [%o0 + %g1] + add %o0, %g1, %o0 + retl + add %o0, 3, %o0 +12: srl %o5, 16, %o5 + sth %o5, [%o0 + %g1] + add %g1, 2, %g1 + stb %g0, [%o0 + %g1] + retl + add %o0, %g1, %o0 +13: srl %o5, 16, %o5 + sth %o5, [%o0 + %g1] + add %g1, 1, %g1 + retl + add %o0, %g1, %o0 +14: stb %g0, [%o0 + %g1] + retl + add %o0, %g1, %o0 + +15: srl %o5, 24, %o4 + srl %o5, 16, %g1 + stb %o4, [%o0] + srl %o5, 8, %g4 + stb %g1, [%o0 + 1] + stb %g4, [%o0 + 2] + stb %o5, [%o0 + 3] + add %o0, 4, %o0 +16: ld [%o1], %o5 + sub %o5, %o2, %o4 + andcc %o4, %o3, %g0 + be 15b + add %o1, 4, %o1 + + /* Check every byte. */ + srl %o5, 24, %g5 + andcc %g5, 0xff, %g4 + be 19f + stb %g4, [%o0] + srl %o5, 16, %g5 + andcc %g5, 0xff, %g4 + be 18f + stb %g4, [%o0 + 1] + srl %o5, 8, %g5 + andcc %g5, 0xff, %g4 + be 17f + stb %g4, [%o0 + 2] + andcc %o5, 0xff, %g4 + stb %g4, [%o0 + 3] + bne 16b + add %o0, 4, %o0 + retl + sub %o0, 1, %o0 +17: retl + add %o0, 2, %o0 +18: retl + add %o0, 1, %o0 +19: retl + nop +END(__stpcpy) + +weak_alias (__stpcpy, stpcpy) diff --git a/libc/string/sparc/sparc32/strcat.S b/libc/string/sparc/sparc32/strcat.S new file mode 100644 index 000000000..e4ff21d01 --- /dev/null +++ b/libc/string/sparc/sparc32/strcat.S @@ -0,0 +1,346 @@ +/* strcat (dest, src) -- Append SRC on the end of DEST. + For SPARC v7. + Copyright (C) 1996, 1999, 2003 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Jakub Jelinek <jj@ultra.linux.cz>. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + + /* Normally, this uses ((xword - 0x01010101) & 0x80808080) test + to find out if any byte in xword could be zero. This is fast, but + also gives false alarm for any byte in range 0x81-0xff. It does + not matter for correctness, as if this test tells us there could + be some zero byte, we check it byte by byte, but if bytes with + high bits set are common in the strings, then this will give poor + performance. You can #define EIGHTBIT_NOT_RARE and the algorithm + will use one tick slower, but more precise test + ((xword - 0x01010101) & (~xword) & 0x80808080), + which does not give any false alarms (but if some bits are set, + one cannot assume from it which bytes are zero and which are not). + It is yet to be measured, what is the correct default for glibc + in these days for an average user. + */ + + .text + .align 4 +10: cmp %o4, 2 + be 1f + cmp %o4, 3 + ldub [%o1], %o5 + add %o1, 1, %o1 + stb %o5, [%o0] + be 3f + cmp %o5, 0 + be 0f + add %o0, 1, %o0 +1: lduh [%o1], %o5 + add %o1, 2, %o1 + srl %o5, 8, %o4 + cmp %o4, 0 + stb %o4, [%o0] + bne,a 2f + stb %o5, [%o0 + 1] + retl + mov %g2, %o0 +2: andcc %o5, 0xff, %o5 + bne 4f + add %o0, 2, %o0 + retl + mov %g2, %o0 +3: bne 4f + add %o0, 1, %o0 + retl + mov %g2, %o0 + +11: ldub [%o0], %o5 + cmp %o5, 0 + be 1f + add %o0, 1, %o0 + andcc %o0, 3, %g0 + be 7f + or %o4, %lo(0x80808080), %o3 + ldub [%o0], %o5 + cmp %o5, 0 + be 2f + add %o0, 1, %o0 + andcc %o0, 3, %g0 + be 8f + sethi %hi(0x01010101), %o4 + ldub [%o0], %o5 + cmp %o5, 0 + be 3f + add %o0, 1, %o0 + b 9f + or %o4, %lo(0x01010101), %o2 +1: or %o4, %lo(0x80808080), %o3 +2: sethi %hi(0x01010101), %o4 +3: or %o4, %lo(0x01010101), %o2 + b 3f + sub %o0, 1, %o0 + +ENTRY(strcat) + mov %o0, %g2 + andcc %o0, 3, %g0 + bne 11b + sethi %hi(0x80808080), %o4 + or %o4, %lo(0x80808080), %o3 +7: sethi %hi(0x01010101), %o4 +8: or %o4, %lo(0x01010101), %o2 +9: ld [%o0], %o5 +7: sub %o5, %o2, %o4 +#ifdef EIGHTBIT_NOT_RARE + andn %o4, %o5, %o4 +#endif + andcc %o4, %o3, %g0 + be 9b + add %o0, 4, %o0 + + srl %o5, 24, %g5 + andcc %g5, 0xff, %g0 + be 3f + add %o0, -4, %o0 + srl %o5, 16, %g5 + andcc %g5, 0xff, %g0 + be 3f + add %o0, 1, %o0 + srl %o5, 8, %g5 + andcc %g5, 0xff, %g0 + be 3f + add %o0, 1, %o0 + andcc %o5, 0xff, %g0 + add %o0, 2, %o0 + bne,a 7b + ld [%o0], %o5 + sub %o0, 1, %o0 +3: andcc %o1, 3, %o4 + bne 10b +4: andcc %o0, 3, %g3 + bne 12f +1: ld [%o1], %o5 + add %o1, 4, %o1 + sub %o5, %o2, %o4 +#ifdef EIGHTBIT_NOT_RARE + andn %o4, %o5, %o4 +#endif + add %o0, 4, %o0 + andcc %o4, %o3, %g0 + be,a 1b + st %o5, [%o0 - 4] + + srl %o5, 24, %g5 + andcc %g5, 0xff, %g0 + be 1f + srl %o5, 16, %g5 + andcc %g5, 0xff, %g0 + be 2f + srl %o5, 8, %g5 + andcc %g5, 0xff, %g0 + be 3f + andcc %o5, 0xff, %g0 + bne 1b + st %o5, [%o0 - 4] + retl + mov %g2, %o0 +3: srl %o5, 16, %o5 + sth %o5, [%o0 - 4] + stb %g0, [%o0 - 2] + retl + mov %g2, %o0 +2: srl %o5, 16, %o5 + sth %o5, [%o0 - 4] + retl + mov %g2, %o0 +1: stb %g0, [%o0 - 4] + retl + mov %g2, %o0 + +12: add %o1, 4, %o1 + sub %o5, %o2, %o4 + cmp %g3, 2 + be 2f + cmp %g3, 3 + be 3f + andcc %o4, %o3, %g0 + bne 5f + srl %o5, 24, %g5 + stb %g5, [%o0] + sub %o0, 1, %o0 + srl %o5, 8, %g5 + sth %g5, [%o0 + 2] +1: add %o0, 4, %o0 +4: sll %o5, 24, %g6 + ld [%o1], %o5 + add %o1, 4, %o1 + srl %o5, 8, %g5 + sub %o5, %o2, %o4 +#ifdef EIGHTBIT_NOT_RARE + andn %o4, %o5, %o4 +#endif + or %g5, %g6, %g5 + andcc %o4, %o3, %g0 + be,a 1b + st %g5, [%o0] + srl %o5, 24, %o4 + andcc %o4, 0xff, %g0 + be 6f + srl %o5, 16, %o4 + andcc %o4, 0xff, %g0 + be 7f + srl %o5, 8, %o4 + st %g5, [%o0] + andcc %o4, 0xff, %g0 + be 0f + andcc %o5, 0xff, %g0 +1: bne 4b + add %o0, 4, %o0 +9: stb %g0, [%o0] +0: retl + mov %g2, %o0 + +6: srl %g5, 16, %g5 + sth %g5, [%o0] + retl + mov %g2, %o0 + +7: srl %g5, 16, %g5 + sth %g5, [%o0] + stb %g0, [%o0 + 2] + retl + mov %g2, %o0 + +5: andcc %g5, 0xff, %g4 + be 9b + srl %o5, 16, %g5 + andcc %g5, 0xff, %g0 + be 7f + srl %o5, 8, %g5 + andcc %g5, 0xff, %g0 + stb %g4, [%o0] + sth %g5, [%o0 + 1] + sub %o0, 1, %o0 + bne 1b + andcc %o5, 0xff, %g0 + retl + mov %g2, %o0 + +7: stb %g4, [%o0] + stb %g0, [%o0 + 1] + retl + mov %g2, %o0 + +2: andcc %o4, %o3, %g0 + bne 5f + srl %o5, 16, %g5 + sth %g5, [%o0] + sub %o0, 2, %o0 +1: add %o0, 4, %o0 +4: sll %o5, 16, %g6 + ld [%o1], %o5 + add %o1, 4, %o1 + srl %o5, 16, %g5 + sub %o5, %o2, %o4 +#ifdef EIGHTBIT_NOT_RARE + andn %o4, %o5, %o4 +#endif + or %g5, %g6, %g5 + andcc %o4, %o3, %g0 + be,a 1b + st %g5, [%o0] + srl %o5, 24, %o4 + andcc %o4, 0xff, %g0 + be 7f + srl %o5, 16, %o4 + st %g5, [%o0] + andcc %o4, 0xff, %g0 + be 0b + srl %o5, 8, %o4 +1: andcc %o4, 0xff, %g0 + be 8f + andcc %o5, 0xff, %g0 + bne 4b + add %o0, 4, %o0 + sth %o5, [%o0] + retl + mov %g2, %o0 + +7: srl %g5, 16, %g5 + sth %g5, [%o0] + stb %g0, [%o0 + 2] + retl + mov %g2, %o0 + +8: stb %g0, [%o0 + 4] + retl + mov %g2, %o0 + +5: srl %o5, 24, %g5 + andcc %g5, 0xff, %g0 + be 9b + srl %o5, 16, %g5 + andcc %g5, 0xff, %g0 + sth %g5, [%o0] + sub %o0, 2, %o0 + bne 1b + srl %o5, 8, %o4 + retl + mov %g2, %o0 + +3: bne 5f + srl %o5, 24, %g5 + stb %g5, [%o0] + sub %o0, 3, %o0 +1: add %o0, 4, %o0 +4: sll %o5, 8, %g6 + ld [%o1], %o5 + add %o1, 4, %o1 + srl %o5, 24, %g5 + sub %o5, %o2, %o4 +#ifdef EIGHTBIT_NOT_RARE + andn %o4, %o5, %o4 +#endif + or %g5, %g6, %g5 + andcc %o4, %o3, %g0 + be 1b + st %g5, [%o0] + srl %o5, 24, %o4 + andcc %o4, 0xff, %g0 + be 0b + srl %o5, 16, %o4 +1: andcc %o4, 0xff, %g0 + be 8b + srl %o5, 8, %o4 + andcc %o4, 0xff, %g0 + be 9f + andcc %o5, 0xff, %g0 + bne 4b + add %o0, 4, %o0 + srl %o5, 8, %o5 + sth %o5, [%o0] + stb %g0, [%o0 + 2] + retl + mov %g2, %o0 +9: srl %o5, 8, %o5 + sth %o5, [%o0 + 4] + retl + mov %g2, %o0 +5: andcc %g5, 0xff, %g0 + stb %g5, [%o0] + sub %o0, 3, %o0 + bne 1b + srl %o5, 16, %o4 + retl + mov %g2, %o0 +END(strcat) diff --git a/libc/string/sparc/sparc32/strchr.S b/libc/string/sparc/sparc32/strchr.S new file mode 100644 index 000000000..f18a8abc7 --- /dev/null +++ b/libc/string/sparc/sparc32/strchr.S @@ -0,0 +1,280 @@ +/* strchr (str, ch) -- Return pointer to first occurrence of CH in STR. + For SPARC v7. + Copyright (C) 1996, 1999, 2003 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Jakub Jelinek <jj@ultra.linux.cz> and + David S. Miller <davem@caip.rutgers.edu>. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + + /* Normally, this uses ((xword - 0x01010101) & 0x80808080) test + to find out if any byte in xword could be zero. This is fast, but + also gives false alarm for any byte in range 0x81-0xff. It does + not matter for correctness, as if this test tells us there could + be some zero byte, we check it byte by byte, but if bytes with + high bits set are common in the strings, then this will give poor + performance. You can #define EIGHTBIT_NOT_RARE and the algorithm + will use one tick slower, but more precise test + ((xword - 0x01010101) & (~xword) & 0x80808080), + which does not give any false alarms (but if some bits are set, + one cannot assume from it which bytes are zero and which are not). + It is yet to be measured, what is the correct default for glibc + in these days for an average user. + */ + + .text + .align 4 +10: ldub [%o0], %g4 + cmp %g4, %o1 + be 1f + add %o0, 1, %o0 + cmp %g4, 0 + be 9f + andcc %o0, 3, %g0 + be 4f + or %o4, %lo(0x80808080), %o3 + ldub [%o0], %g4 + cmp %g4, %o1 + be 1f + add %o0, 1, %o0 + cmp %g4, 0 + be 9f + andcc %o0, 3, %g0 + be 5f + sethi %hi(0x01010101), %o5 + ldub [%o0], %g4 + cmp %g4, %o1 + be 1f + add %o0, 1, %o0 + cmp %g4, 0 + be 9f + or %o5, %lo(0x01010101), %o2 + b 6f + ld [%o0], %g4 +1: retl + sub %o0, 1, %o0 + +ENTRY(strchr) + andcc %o1, 0xff, %o1 + be 12f + sll %o1, 8, %o2 + andcc %o0, 3, %g0 + or %o1, %o2, %o2 + sethi %hi(0x80808080), %o4 + sll %o2, 16, %o3 + bne 10b + or %o3, %o2, %g2 + or %o4, %lo(0x80808080), %o3 +4: sethi %hi(0x01010101), %o5 +5: or %o5, %lo(0x01010101), %o2 +7: ld [%o0], %g4 +6: xor %g4, %g2, %g5 + sub %g4, %o2, %o4 +#ifdef EIGHTBIT_NOT_RARE + sub %g5, %o2, %g6 + andn %o4, %g4, %o4 + andn %g6, %g5, %g5 +#else + sub %g5, %o2, %g5 +#endif + or %g5, %o4, %o4 + andcc %o4, %o3, %g0 + be 7b + add %o0, 4, %o0 + + /* Check every byte. */ +8: srl %g4, 24, %g5 +7: andcc %g5, 0xff, %g5 + be 9f + cmp %g5, %o1 + be 4f + srl %g4, 16, %g5 + andcc %g5, 0xff, %g5 + be 9f + cmp %g5, %o1 + be 3f + srl %g4, 8, %g5 + andcc %g5, 0xff, %g5 + be 9f + cmp %g5, %o1 + be 2f + andcc %g4, 0xff, %g5 + be 9f + cmp %g5, %o1 + bne,a 6b + ld [%o0], %g4 + retl + sub %o0, 1, %o0 +2: retl + sub %o0, 2, %o0 +3: retl + sub %o0, 3, %o0 +4: retl + sub %o0, 4, %o0 +9: retl + clr %o0 + +11: ldub [%o0], %o5 + cmp %o5, 0 + be 1f + add %o0, 1, %o0 + andcc %o0, 3, %g0 + be 4f + or %o4, %lo(0x80808080), %o3 + ldub [%o0], %o5 + cmp %o5, 0 + be 1f + add %o0, 1, %o0 + andcc %o0, 3, %g0 + be 5f + sethi %hi(0x01010101), %o4 + ldub [%o0], %o5 + cmp %o5, 0 + be 1f + add %o0, 1, %o0 + b 6f + or %o4, %lo(0x01010101), %o2 +1: retl + sub %o0, 1, %o0 + +12: andcc %o0, 3, %g0 + bne 11b + sethi %hi(0x80808080), %o4 + or %o4, %lo(0x80808080), %o3 +4: sethi %hi(0x01010101), %o4 +5: or %o4, %lo(0x01010101), %o2 +6: ld [%o0], %o5 +7: sub %o5, %o2, %o4 +#ifdef EIGHTBIT_NOT_RARE + andn %o4, %o5, %o4 +#endif + andcc %o4, %o3, %g0 + be 6b + add %o0, 4, %o0 + + /* Check every byte. */ + srl %o5, 24, %g5 + andcc %g5, 0xff, %g0 + be 8f + add %o0, -4, %o4 + srl %o5, 16, %g5 + andcc %g5, 0xff, %g0 + be 8f + add %o4, 1, %o4 + srl %o5, 8, %g5 + andcc %g5, 0xff, %g0 + be 8f + add %o4, 1, %o4 + andcc %o5, 0xff, %g0 + bne,a 7b + ld [%o0], %o5 + add %o4, 1, %o4 +8: retl + mov %o4, %o0 + +13: ldub [%o0], %g4 + cmp %g4, %o1 + add %o0, 1, %o0 + be,a 1f + sub %o0, 1, %o5 + cmp %g4, 0 + be 9f +1: andcc %o0, 3, %g0 + be 4f + or %o4, %lo(0x80808080), %o3 + ldub [%o0], %g4 + cmp %g4, %o1 + add %o0, 1, %o0 + be,a 1f + sub %o0, 1, %o5 + cmp %g4, 0 + be 9f +1: andcc %o0, 3, %g0 + be 5f + sethi %hi(0x01010101), %o4 + ldub [%o0], %g4 + cmp %g4, %o1 + add %o0, 1, %o0 + be,a 1f + sub %o0, 1, %o5 + cmp %g4, 0 + be 9f +1: or %o4, %lo(0x01010101), %o2 + b 7f + ld [%o0], %g4 +END(strchr) + +ENTRY(strrchr) + andcc %o1, 0xff, %o1 + clr %o5 + be 12b + sll %o1, 8, %o2 + andcc %o0, 3, %g0 + or %o1, %o2, %o2 + sethi %hi(0x80808080), %o4 + sll %o2, 16, %o3 + bne 13b + or %o3, %o2, %g2 + or %o4, %lo(0x80808080), %o3 +4: sethi %hi(0x01010101), %o4 +5: or %o4, %lo(0x01010101), %o2 +6: ld [%o0], %g4 +7: xor %g4, %g2, %g5 + sub %g4, %o2, %o4 +#ifdef EIGHTBIT_NOT_RARE + sub %g5, %o2, %g6 + andn %o4, %g4, %o4 + andn %g6, %g5, %g5 +#else + sub %g5, %o2, %g5 +#endif + or %g5, %o4, %o4 + andcc %o4, %o3, %g0 + be 6b + add %o0, 4, %o0 + + /* Check every byte. */ +3: srl %g4, 24, %g5 +8: andcc %g5, 0xff, %g5 + be 9f + cmp %g5, %o1 + be,a 1f + sub %o0, 4, %o5 +1: srl %g4, 16, %g5 + andcc %g5, 0xff, %g5 + be 9f + cmp %g5, %o1 + be,a 1f + sub %o0, 3, %o5 +1: srl %g4, 8, %g5 + andcc %g5, 0xff, %g5 + be 9f + cmp %g5, %o1 + be,a 1f + sub %o0, 2, %o5 +1: andcc %g4, 0xff, %g5 + be 9f + cmp %g5, %o1 + be,a 1f + sub %o0, 1, %o5 +1: b 7b + ld [%o0], %g4 +9: retl + mov %o5, %o0 +END(strrchr) + +weak_alias (strchr, index) +weak_alias (strrchr, rindex) diff --git a/libc/string/sparc/sparc32/strcmp.S b/libc/string/sparc/sparc32/strcmp.S new file mode 100644 index 000000000..d6cf9e7d3 --- /dev/null +++ b/libc/string/sparc/sparc32/strcmp.S @@ -0,0 +1,255 @@ +/* Compare two strings for differences. + For SPARC v7. + Copyright (C) 1996, 97, 99, 2003 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Jakub Jelinek <jj@ultra.linux.cz>. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + + /* Normally, this uses ((xword - 0x01010101) & 0x80808080) test + to find out if any byte in xword could be zero. This is fast, but + also gives false alarm for any byte in range 0x81-0xff. It does + not matter for correctness, as if this test tells us there could + be some zero byte, we check it byte by byte, but if bytes with + high bits set are common in the strings, then this will give poor + performance. You can #define EIGHTBIT_NOT_RARE and the algorithm + will use one tick slower, but more precise test + ((xword - 0x01010101) & (~xword) & 0x80808080), + which does not give any false alarms (but if some bits are set, + one cannot assume from it which bytes are zero and which are not). + It is yet to be measured, what is the correct default for glibc + in these days for an average user. + */ + + .text + .align 4 +10: ldub [%o0], %o4 + add %o0, 1, %o0 + ldub [%o1], %o5 + cmp %o4, 0 + add %o1, 1, %o1 + be 2f + subcc %o4, %o5, %o4 + bne 2f + andcc %o0, 3, %g0 + be 4f + or %g1, %lo(0x80808080), %o3 + ldub [%o0], %o4 + add %o0, 1, %o0 + ldub [%o1], %o5 + cmp %o4, 0 + add %o1, 1, %o1 + be 2f + subcc %o4, %o5, %o4 + bne 2f + andcc %o0, 3, %g0 + be 5f + sethi %hi(0x01010101), %g1 + ldub [%o0], %o4 + add %o0, 1, %o0 + ldub [%o1], %o5 + cmp %o4, 0 + add %o1, 1, %o1 + be 2f + subcc %o4, %o5, %o4 + bne 2f + andcc %o1, 3, %g2 + bne 12f + or %g1, %lo(0x01010101), %o2 + b 1f + ld [%o0], %o4 +2: retl + mov %o4, %o0 + +ENTRY(strcmp) + andcc %o0, 3, %g0 + bne 10b + sethi %hi(0x80808080), %g1 + or %g1, %lo(0x80808080), %o3 +4: sethi %hi(0x01010101), %g1 +5: andcc %o1, 3, %g2 + bne 12f + or %g1, %lo(0x01010101), %o2 + +0: ld [%o0], %o4 +1: ld [%o1], %o5 + sub %o4, %o2, %g1 + add %o0, 4, %o0 + cmp %o4, %o5 +#ifdef EIGHTBIT_NOT_RARE + andn %g1, %o4, %g1 +#endif + bne 11f + andcc %g1, %o3, %g0 + be 0b + add %o1, 4, %o1 + + srl %o4, 24, %g4 + andcc %g4, 0xff, %g0 + be 2f + srl %o4, 16, %g4 + andcc %g4, 0xff, %g0 + be 2f + srl %o4, 8, %g4 + andcc %g4, 0xff, %g0 + be 2f + andcc %o4, 0xff, %g0 + bne,a 1b + ld [%o0], %o4 +2: retl + clr %o0 + +11: srl %o4, 24, %g4 + srl %o5, 24, %g5 + andcc %g4, 0xff, %g0 + be 3f + subcc %g4, %g5, %g4 + bne 3f + srl %o5, 16, %g5 + srl %o4, 16, %g4 + andcc %g4, 0xff, %g0 + be 3f + subcc %g4, %g5, %g4 + bne 3f + srl %o5, 8, %g5 + srl %o4, 8, %g4 + andcc %g4, 0xff, %g0 + be 3f + subcc %g4, %g5, %g4 + bne 3f + subcc %o4, %o5, %o4 + retl + mov %o4, %o0 +3: retl + mov %g4, %o0 + +12: save %sp, -64, %sp + ld [%i0], %i4 + sll %g2, 3, %g3 + andn %i1, 3, %i1 + mov 32, %l1 + ld [%i1], %l2 + mov -1, %g6 + add %i1, 4, %i1 + sub %l1, %g3, %l1 + sll %g6, %g3, %g6 + +1: sll %l2, %g3, %g5 + and %i4, %g6, %l3 + sub %i4, %i2, %g1 +#ifdef EIGHTBIT_NOT_RARE + andn %g1, %i4, %g1 +#endif + andcc %g1, %i3, %g1 + bne 3f + cmp %g5, %l3 + bne 2f + add %i0, 4, %i0 + ld [%i1], %l2 + add %i1, 4, %i1 + srl %l2, %l1, %l4 + or %l4, %g5, %l4 + cmp %l4, %i4 + be,a 1b + ld [%i0], %i4 + restore %l4, %g0, %o3 + retl + sub %o4, %o3, %o0 + +2: sll %l2, %g3, %i2 + srl %i4, %g3, %i3 + srl %i2, %g3, %i2 + restore + retl + sub %o3, %o2, %o0 + +3: srl %i4, 24, %g4 + srl %g5, 24, %l6 + andcc %g4, 0xff, %g0 + be 4f + subcc %g4, %l6, %g4 + bne 4f + cmp %g2, 3 + be 6f + srl %i4, 16, %g4 + srl %g5, 16, %l6 + andcc %g4, 0xff, %g0 + be 4f + subcc %g4, %l6, %g4 + bne 4f + cmp %g2, 2 + be 5f + srl %i4, 8, %g4 + srl %g5, 8, %l6 + andcc %g4, 0xff, %g0 + be 4f + subcc %g4, %l6, %g4 + bne 4f + add %i0, 4, %i0 + ld [%i1], %l2 + add %i1, 4, %i1 + srl %l2, 24, %g5 + andcc %i4, 0xff, %g4 + be 4f + subcc %g4, %g5, %g4 + be,a 1b + ld [%i0], %i4 +4: jmpl %i7 + 8, %g0 + restore %g4, %g0, %o0 + +5: ld [%i1], %l2 + add %i1, 4, %i1 + add %i0, 4, %i0 + srl %l2, 24, %l6 + andcc %g4, 0xff, %g4 + be 4b + subcc %g4, %l6, %g4 + bne 4b + srl %l2, 16, %l6 + andcc %i4, 0xff, %g4 + and %l6, 0xff, %l6 + be 4b + subcc %g4, %l6, %g4 + be,a 1b + ld [%i0], %i4 + jmpl %i7 + 8, %g0 + restore %g4, %g0, %o0 + +6: ld [%i1], %l2 + add %i1, 4, %i1 + add %i0, 4, %i0 + srl %l2, 24, %l6 + andcc %g4, 0xff, %g4 + be 4b + subcc %g4, %l6, %g4 + bne 4b + srl %l2, 16, %l6 + srl %i4, 8, %g4 + and %l6, 0xff, %l6 + andcc %g4, 0xff, %g4 + be 4b + subcc %g4, %l6, %g4 + bne 4b + srl %l2, 8, %l6 + andcc %i4, 0xff, %g4 + and %l6, 0xff, %l6 + be 4b + subcc %g4, %l6, %g4 + be,a 1b + ld [%i0], %i4 + jmpl %i7 + 8, %g0 + restore %g4, %g0, %o0 +END(strcmp) diff --git a/libc/string/sparc/sparc32/strcpy.S b/libc/string/sparc/sparc32/strcpy.S new file mode 100644 index 000000000..c368580ba --- /dev/null +++ b/libc/string/sparc/sparc32/strcpy.S @@ -0,0 +1,272 @@ +/* Copy SRC to DEST returning DEST. + For SPARC v7. + Copyright (C) 1996, 1999, 2003 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Jakub Jelinek <jj@ultra.linux.cz>. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + + /* Normally, this uses ((xword - 0x01010101) & 0x80808080) test + to find out if any byte in xword could be zero. This is fast, but + also gives false alarm for any byte in range 0x81-0xff. It does + not matter for correctness, as if this test tells us there could + be some zero byte, we check it byte by byte, but if bytes with + high bits set are common in the strings, then this will give poor + performance. You can #define EIGHTBIT_NOT_RARE and the algorithm + will use one tick slower, but more precise test + ((xword - 0x01010101) & (~xword) & 0x80808080), + which does not give any false alarms (but if some bits are set, + one cannot assume from it which bytes are zero and which are not). + It is yet to be measured, what is the correct default for glibc + in these days for an average user. + */ + + .text + .align 4 +1: ldub [%o1], %o5 + stb %o5, [%o0] + cmp %o5, 0 + add %o0, 1, %o0 + be 0f + add %o1, 1, %o1 + andcc %o1, 3, %g0 + be 4f + or %o4, %lo(0x80808080), %o3 + ldub [%o1], %o5 + stb %o5, [%o0] + cmp %o5, 0 + add %o0, 1, %o0 + be 0f + add %o1, 1, %o1 + andcc %o1, 3, %g0 + be 5f + sethi %hi(0x01010101), %o4 + ldub [%o1], %o5 + stb %o5, [%o0] + cmp %o5, 0 + add %o0, 1, %o0 + be 0f + add %o1, 1, %o1 + b 6f + andcc %o0, 3, %g3 + +ENTRY(strcpy) + mov %o0, %g2 + andcc %o1, 3, %g0 + bne 1b + sethi %hi(0x80808080), %o4 + or %o4, %lo(0x80808080), %o3 +4: sethi %hi(0x01010101), %o4 +5: andcc %o0, 3, %g3 +6: bne 10f + or %o4, %lo(0x01010101), %o2 +1: ld [%o1], %o5 + add %o1, 4, %o1 + sub %o5, %o2, %o4 + add %o0, 4, %o0 + andcc %o4, %o3, %g0 + be,a 1b + st %o5, [%o0 - 4] + + srl %o5, 24, %g5 + andcc %g5, 0xff, %g0 + be 1f + srl %o5, 16, %g5 + andcc %g5, 0xff, %g0 + be 2f + srl %o5, 8, %g5 + andcc %g5, 0xff, %g0 + be 3f + andcc %o5, 0xff, %g0 + bne 1b + st %o5, [%o0 - 4] + retl + mov %g2, %o0 +3: srl %o5, 16, %o5 + sth %o5, [%o0 - 4] + stb %g0, [%o0 - 2] + retl + mov %g2, %o0 +2: srl %o5, 16, %o5 + sth %o5, [%o0 - 4] + retl + mov %g2, %o0 +1: stb %g0, [%o0 - 4] + retl + mov %g2, %o0 + +10: ld [%o1], %o5 + add %o1, 4, %o1 + sub %o5, %o2, %o4 + cmp %g3, 2 + be 2f + cmp %g3, 3 + be 3f + andcc %o4, %o3, %g0 + bne 5f + srl %o5, 24, %g5 + stb %g5, [%o0] + sub %o0, 1, %o0 + srl %o5, 8, %g5 + sth %g5, [%o0 + 2] +1: add %o0, 4, %o0 +4: sll %o5, 24, %g6 + ld [%o1], %o5 + add %o1, 4, %o1 + srl %o5, 8, %g5 + sub %o5, %o2, %o4 + or %g5, %g6, %g5 + andcc %o4, %o3, %g0 + be,a 1b + st %g5, [%o0] + srl %o5, 24, %o4 + andcc %o4, 0xff, %g0 + be 6f + srl %o5, 16, %o4 + andcc %o4, 0xff, %g0 + be 7f + srl %o5, 8, %o4 + st %g5, [%o0] + andcc %o4, 0xff, %g0 + be 0f + andcc %o5, 0xff, %g0 +1: bne 4b + add %o0, 4, %o0 +9: stb %g0, [%o0] +0: retl + mov %g2, %o0 +6: srl %g5, 16, %g5 + sth %g5, [%o0] + retl + mov %g2, %o0 +7: srl %g5, 16, %g5 + sth %g5, [%o0] + stb %g0, [%o0 + 2] + retl + mov %g2, %o0 +5: andcc %g5, 0xff, %g4 + be 9b + srl %o5, 16, %g5 + andcc %g5, 0xff, %g0 + be 7f + srl %o5, 8, %g5 + andcc %g5, 0xff, %g0 + stb %g4, [%o0] + sth %g5, [%o0 + 1] + sub %o0, 1, %o0 + bne 1b + andcc %o5, 0xff, %g0 + retl + mov %g2, %o0 +7: stb %g4, [%o0] + stb %g0, [%o0 + 1] + retl + mov %g2, %o0 + +2: andcc %o4, %o3, %g0 + bne 5f + srl %o5, 16, %g5 + sth %g5, [%o0] + sub %o0, 2, %o0 +1: add %o0, 4, %o0 +4: sll %o5, 16, %g6 + ld [%o1], %o5 + add %o1, 4, %o1 + srl %o5, 16, %g5 + sub %o5, %o2, %o4 + or %g5, %g6, %g5 + andcc %o4, %o3, %g0 + be,a 1b + st %g5, [%o0] + srl %o5, 24, %o4 + andcc %o4, 0xff, %g0 + be 7f + srl %o5, 16, %o4 + st %g5, [%o0] + andcc %o4, 0xff, %g0 + be 0b + srl %o5, 8, %o4 +1: andcc %o4, 0xff, %g0 + be 8f + andcc %o5, 0xff, %g0 + bne 4b + add %o0, 4, %o0 + sth %o5, [%o0] + retl + mov %g2, %o0 +7: srl %g5, 16, %g5 + sth %g5, [%o0] + stb %g0, [%o0 + 2] + retl + mov %g2, %o0 +8: stb %g0, [%o0 + 4] + retl + mov %g2, %o0 +5: srl %o5, 24, %g5 + andcc %g5, 0xff, %g0 + be 9b + srl %o5, 16, %g5 + andcc %g5, 0xff, %g0 + sth %g5, [%o0] + sub %o0, 2, %o0 + bne 1b + srl %o5, 8, %o4 + retl + mov %g2, %o0 + +3: bne 5f + srl %o5, 24, %g5 + stb %g5, [%o0] + sub %o0, 3, %o0 +1: add %o0, 4, %o0 +4: sll %o5, 8, %g6 + ld [%o1], %o5 + add %o1, 4, %o1 + srl %o5, 24, %g5 + sub %o5, %o2, %o4 + or %g5, %g6, %g5 + andcc %o4, %o3, %g0 + be 1b + st %g5, [%o0] + srl %o5, 24, %o4 + andcc %o4, 0xff, %g0 + be 0b + srl %o5, 16, %o4 +1: andcc %o4, 0xff, %g0 + be 8b + srl %o5, 8, %o4 + andcc %o4, 0xff, %g0 + be 9f + andcc %o5, 0xff, %g0 + bne 4b + add %o0, 4, %o0 + srl %o5, 8, %o5 + sth %o5, [%o0] + stb %g0, [%o0 + 2] + retl + mov %g2, %o0 +9: srl %o5, 8, %o5 + sth %o5, [%o0 + 4] + retl + mov %g2, %o0 +5: andcc %g5, 0xff, %g0 + stb %g5, [%o0] + sub %o0, 3, %o0 + bne 1b + srl %o5, 16, %o4 + retl + mov %g2, %o0 +END(strcpy) diff --git a/libc/string/sparc/sparc32/strlen.S b/libc/string/sparc/sparc32/strlen.S new file mode 100644 index 000000000..cc455ac89 --- /dev/null +++ b/libc/string/sparc/sparc32/strlen.S @@ -0,0 +1,101 @@ +/* Determine the length of a string. + For SPARC v7. + Copyright (C) 1996, 1999, 2003 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Jakub Jelinek <jj@ultra.linux.cz>. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + + /* Normally, this uses ((xword - 0x01010101) & 0x80808080) test + to find out if any byte in xword could be zero. This is fast, but + also gives false alarm for any byte in range 0x81-0xff. It does + not matter for correctness, as if this test tells us there could + be some zero byte, we check it byte by byte, but if bytes with + high bits set are common in the strings, then this will give poor + performance. You can #define EIGHTBIT_NOT_RARE and the algorithm + will use one tick slower, but more precise test + ((xword - 0x01010101) & (~xword) & 0x80808080), + which does not give any false alarms (but if some bits are set, + one cannot assume from it which bytes are zero and which are not). + It is yet to be measured, what is the correct default for glibc + in these days for an average user. + */ + + .text + .align 4 +10: ldub [%o0], %o5 + cmp %o5, 0 + be 1f + add %o0, 1, %o0 + andcc %o0, 3, %g0 + be 4f + or %o4, %lo(0x80808080), %o3 + ldub [%o0], %o5 + cmp %o5, 0 + be 2f + add %o0, 1, %o0 + andcc %o0, 3, %g0 + be 5f + sethi %hi(0x01010101), %o4 + ldub [%o0], %o5 + cmp %o5, 0 + be 3f + add %o0, 1, %o0 + b 11f + or %o4, %lo(0x01010101), %o2 +1: retl + mov 0, %o0 +2: retl + mov 1, %o0 +3: retl + mov 2, %o0 + +ENTRY(strlen) + mov %o0, %o1 + andcc %o0, 3, %g0 + bne 10b + sethi %hi(0x80808080), %o4 + or %o4, %lo(0x80808080), %o3 +4: sethi %hi(0x01010101), %o4 +5: or %o4, %lo(0x01010101), %o2 +11: ld [%o0], %o5 +12: sub %o5, %o2, %o4 +#ifdef EIGHTBIT_NOT_RARE + andn %o4, %o5, %o4 +#endif + andcc %o4, %o3, %g0 + be 11b + add %o0, 4, %o0 + + srl %o5, 24, %g5 + andcc %g5, 0xff, %g0 + be 13f + add %o0, -4, %o4 + srl %o5, 16, %g5 + andcc %g5, 0xff, %g0 + be 13f + add %o4, 1, %o4 + srl %o5, 8, %g5 + andcc %g5, 0xff, %g0 + be 13f + add %o4, 1, %o4 + andcc %o5, 0xff, %g0 + bne,a 12b + ld [%o0], %o5 + add %o4, 1, %o4 +13: retl + sub %o4, %o1, %o0 +END(strlen) diff --git a/libc/string/sparc/sparc64/memchr.S b/libc/string/sparc/sparc64/memchr.S new file mode 100644 index 000000000..a10dfbc63 --- /dev/null +++ b/libc/string/sparc/sparc64/memchr.S @@ -0,0 +1,261 @@ +/* memchr (str, ch, n) -- Return pointer to first occurrence of CH in STR less + than N. + For SPARC v9. + Copyright (C) 1998, 1999, 2000, 2003 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Jan Vondrak <jvon4518@ss1000.ms.mff.cuni.cz> and + Jakub Jelinek <jj@ultra.linux.cz>. + This version is developed using the same algorithm as the fast C + version which carries the following introduction: + Based on strlen implementation by Torbjorn Granlund (tege@sics.se), + with help from Dan Sahlin (dan@sics.se) and + commentary by Jim Blandy (jimb@ai.mit.edu); + adaptation to memchr suggested by Dick Karpinski (dick@cca.ucsf.edu), + and implemented by Roland McGrath (roland@ai.mit.edu). + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <asm/asi.h> +#ifndef XCC +#define XCC xcc +#define USE_BPR + .register %g2, #scratch + .register %g3, #scratch +#endif + + /* Normally, this uses + ((xword - 0x0101010101010101) & 0x8080808080808080) test + to find out if any byte in xword could be zero. This is fast, but + also gives false alarm for any byte in range 0x81-0xff. It does + not matter for correctness, as if this test tells us there could + be some zero byte, we check it byte by byte, but if bytes with + high bits set are common in the strings, then this will give poor + performance. You can #define EIGHTBIT_NOT_RARE and the algorithm + will use one tick slower, but more precise test + ((xword - 0x0101010101010101) & (~xword) & 0x8080808080808080), + which does not give any false alarms (but if some bits are set, + one cannot assume from it which bytes are zero and which are not). + It is yet to be measured, what is the correct default for glibc + in these days for an average user. + */ + + .text + .align 32 +ENTRY(__memchr) + and %o1, 0xff, %o1 /* IEU0 Group */ +#ifdef USE_BPR + brz,pn %o2, 12f /* CTI+IEU1 */ +#else + tst %o2 /* IEU1 */ + be,pn %XCC, 12f /* CTI */ +#endif + sll %o1, 8, %g3 /* IEU0 Group */ + add %o0, %o2, %o2 /* IEU1 */ + + sethi %hi(0x01010101), %g1 /* IEU0 Group */ + or %g3, %o1, %g3 /* IEU1 */ + ldub [%o0], %o3 /* Load */ + sllx %g3, 16, %g5 /* IEU0 Group */ + + or %g1, %lo(0x01010101), %g1 /* IEU1 */ + sllx %g1, 32, %g2 /* IEU0 Group */ + or %g3, %g5, %g3 /* IEU1 */ + sllx %g3, 32, %g5 /* IEU0 Group */ + + cmp %o3, %o1 /* IEU1 */ + be,pn %xcc, 13f /* CTI */ + or %g1, %g2, %g1 /* IEU0 Group */ + andcc %o0, 7, %g0 /* IEU1 */ + + bne,a,pn %icc, 21f /* CTI */ + add %o0, 1, %o0 /* IEU0 Group */ + ldx [%o0], %o3 /* Load Group */ + sllx %g1, 7, %g2 /* IEU0 */ + + or %g3, %g5, %g3 /* IEU1 */ +1: add %o0, 8, %o0 /* IEU0 Group */ + xor %o3, %g3, %o4 /* IEU1 */ + /* %g1 = 0101010101010101 * + * %g2 = 8080088080808080 * + * %g3 = c c c c c c c c * + * %o3 = value * + * %o4 = value XOR c */ +2: cmp %o0, %o2 /* IEU1 Group */ + + bg,pn %XCC, 11f /* CTI */ + ldxa [%o0] ASI_PNF, %o3 /* Load */ + sub %o4, %g1, %o5 /* IEU0 Group */ + add %o0, 8, %o0 /* IEU1 */ +#ifdef EIGHTBIT_NOT_RARE + andn %o5, %o4, %o5 /* IEU0 Group */ +#endif + + andcc %o5, %g2, %g0 /* IEU1 Group */ + be,a,pt %xcc, 2b /* CTI */ + xor %o3, %g3, %o4 /* IEU0 */ + srlx %o4, 56, %g5 /* IEU0 */ + + andcc %g5, 0xff, %g0 /* IEU1 Group */ + be,pn %icc, 3f /* CTI */ + srlx %o4, 48, %g5 /* IEU0 */ + andcc %g5, 0xff, %g0 /* IEU1 Group */ + + be,pn %icc, 4f /* CTI */ + srlx %o4, 40, %g5 /* IEU0 */ + andcc %g5, 0xff, %g0 /* IEU1 Group */ + be,pn %icc, 5f /* CTI */ + + srlx %o4, 32, %g5 /* IEU0 */ + andcc %g5, 0xff, %g0 /* IEU1 Group */ + be,pn %icc, 6f /* CTI */ + srlx %o4, 24, %g5 /* IEU0 */ + + andcc %g5, 0xff, %g0 /* IEU1 Group */ + be,pn %icc, 7f /* CTI */ + srlx %o4, 16, %g5 /* IEU0 */ + andcc %g5, 0xff, %g0 /* IEU1 Group */ + + be,pn %icc, 8f /* CTI */ + srlx %o4, 8, %g5 /* IEU0 */ + andcc %g5, 0xff, %g0 /* IEU1 Group */ + be,pn %icc, 9f /* CTI */ + + andcc %o4, 0xff, %g0 /* IEU1 Group */ + bne,pt %icc, 2b /* CTI */ + xor %o3, %g3, %o4 /* IEU0 */ + retl /* CTI+IEU1 Group */ + + add %o0, -9, %o0 /* IEU0 */ + + .align 16 +3: retl /* CTI+IEU1 Group */ + add %o0, -16, %o0 /* IEU0 */ +4: retl /* CTI+IEU1 Group */ + add %o0, -15, %o0 /* IEU0 */ + +5: retl /* CTI+IEU1 Group */ + add %o0, -14, %o0 /* IEU0 */ +6: retl /* CTI+IEU1 Group */ + add %o0, -13, %o0 /* IEU0 */ + +7: retl /* CTI+IEU1 Group */ + add %o0, -12, %o0 /* IEU0 */ +8: retl /* CTI+IEU1 Group */ + add %o0, -11, %o0 /* IEU0 */ + +9: retl /* CTI+IEU1 Group */ + add %o0, -10, %o0 /* IEU0 */ +11: sub %o4, %g1, %o5 /* IEU0 Group */ + sub %o0, 8, %o0 /* IEU1 */ + + andcc %o5, %g2, %g0 /* IEU1 Group */ + be,pt %xcc, 12f /* CTI */ + sub %o2, %o0, %o2 /* IEU0 */ + tst %o2 /* IEU1 Group */ + + be,pn %XCC, 12f /* CTI */ + srlx %o4, 56, %g5 /* IEU0 */ + andcc %g5, 0xff, %g0 /* IEU1 Group */ + be,pn %icc, 13f /* CTI */ + + cmp %o2, 1 /* IEU0 */ + be,pn %XCC, 12f /* CTI Group */ + srlx %o4, 48, %g5 /* IEU0 */ + andcc %g5, 0xff, %g0 /* IEU1 Group */ + + be,pn %icc, 14f /* CTI */ + cmp %o2, 2 /* IEU1 Group */ + be,pn %XCC, 12f /* CTI */ + srlx %o4, 40, %g5 /* IEU0 */ + + andcc %g5, 0xff, %g0 /* IEU1 Group */ + be,pn %icc, 15f /* CTI */ + cmp %o2, 3 /* IEU1 Group */ + be,pn %XCC, 12f /* CTI */ + + srlx %o4, 32, %g5 /* IEU0 */ + andcc %g5, 0xff, %g0 /* IEU1 Group */ + be,pn %icc, 16f /* CTI */ + cmp %o2, 4 /* IEU1 Group */ + + be,pn %XCC, 12f /* CTI */ + srlx %o4, 24, %g5 /* IEU0 */ + andcc %g5, 0xff, %g0 /* IEU1 Group */ + be,pn %icc, 17f /* CTI */ + + cmp %o2, 5 /* IEU1 Group */ + be,pn %XCC, 12f /* CTI */ + srlx %o4, 16, %g5 /* IEU0 */ + andcc %g5, 0xff, %g0 /* IEU1 Group */ + + be,pn %icc, 18f /* CTI */ + cmp %o2, 6 /* IEU1 Group */ + be,pn %XCC, 12f /* CTI */ + srlx %o4, 8, %g5 /* IEU0 */ + + andcc %g5, 0xff, %g0 /* IEU1 Group */ + be,pn %icc, 19f /* CTI */ + nop /* IEU0 */ +12: retl /* CTI+IEU1 Group */ + + clr %o0 /* IEU0 */ + nop /* Stub */ +13: retl /* CTI+IEU1 Group */ + nop /* IEU0 */ + +14: retl /* CTI+IEU1 Group */ + add %o0, 1, %o0 /* IEU0 */ +15: retl /* CTI+IEU1 Group */ + add %o0, 2, %o0 /* IEU0 */ + +16: retl /* CTI+IEU1 Group */ + add %o0, 3, %o0 /* IEU0 */ +17: retl /* CTI+IEU1 Group */ + add %o0, 4, %o0 /* IEU0 */ + +18: retl /* CTI+IEU1 Group */ + add %o0, 5, %o0 /* IEU0 */ +19: retl /* CTI+IEU1 Group */ + add %o0, 6, %o0 /* IEU0 */ + +21: cmp %o0, %o2 /* IEU1 */ + be,pn %XCC, 12b /* CTI */ + sllx %g1, 7, %g2 /* IEU0 Group */ + ldub [%o0], %o3 /* Load */ + + or %g3, %g5, %g3 /* IEU1 */ +22: andcc %o0, 7, %g0 /* IEU1 Group */ + be,a,pn %icc, 1b /* CTI */ + ldx [%o0], %o3 /* Load */ + + cmp %o3, %o1 /* IEU1 Group */ + be,pn %xcc, 23f /* CTI */ + add %o0, 1, %o0 /* IEU0 */ + cmp %o0, %o2 /* IEU1 Group */ + + bne,a,pt %XCC, 22b /* CTI */ + ldub [%o0], %o3 /* Load */ + retl /* CTI+IEU1 Group */ + clr %o0 /* IEU0 */ + +23: retl /* CTI+IEU1 Group */ + add %o0, -1, %o0 /* IEU0 */ +END(__memchr) + +weak_alias (__memchr, memchr) +#if !__BOUNDED_POINTERS__ +weak_alias (__memchr, __ubp_memchr) +#endif diff --git a/libc/string/sparc/sparc64/memcpy.S b/libc/string/sparc/sparc64/memcpy.S new file mode 100644 index 000000000..660fae6b2 --- /dev/null +++ b/libc/string/sparc/sparc64/memcpy.S @@ -0,0 +1,918 @@ +/* Copy SIZE bytes from SRC to DEST. + For UltraSPARC. + Copyright (C) 1996, 97, 98, 99, 2003 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by David S. Miller (davem@caip.rutgers.edu) and + Jakub Jelinek (jakub@redhat.com). + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <asm/asi.h> +#ifndef XCC +#define USE_BPR + .register %g2, #scratch + .register %g3, #scratch + .register %g6, #scratch +#define XCC xcc +#endif +#define FPRS_FEF 4 + +#define FREG_FROB(f1, f2, f3, f4, f5, f6, f7, f8, f9) \ + faligndata %f1, %f2, %f48; \ + faligndata %f2, %f3, %f50; \ + faligndata %f3, %f4, %f52; \ + faligndata %f4, %f5, %f54; \ + faligndata %f5, %f6, %f56; \ + faligndata %f6, %f7, %f58; \ + faligndata %f7, %f8, %f60; \ + faligndata %f8, %f9, %f62; + +#define MAIN_LOOP_CHUNK(src, dest, fdest, fsrc, len, jmptgt) \ + ldda [%src] %asi, %fdest; \ + add %src, 0x40, %src; \ + add %dest, 0x40, %dest; \ + subcc %len, 0x40, %len; \ + be,pn %xcc, jmptgt; \ + stda %fsrc, [%dest - 0x40] %asi; + +#define LOOP_CHUNK1(src, dest, len, branch_dest) \ + MAIN_LOOP_CHUNK(src, dest, f0, f48, len, branch_dest) +#define LOOP_CHUNK2(src, dest, len, branch_dest) \ + MAIN_LOOP_CHUNK(src, dest, f16, f48, len, branch_dest) +#define LOOP_CHUNK3(src, dest, len, branch_dest) \ + MAIN_LOOP_CHUNK(src, dest, f32, f48, len, branch_dest) + +#define STORE_SYNC(dest, fsrc) \ + stda %fsrc, [%dest] %asi; \ + add %dest, 0x40, %dest; + +#define STORE_JUMP(dest, fsrc, target) \ + stda %fsrc, [%dest] %asi; \ + add %dest, 0x40, %dest; \ + ba,pt %xcc, target; + +#define VISLOOP_PAD nop; nop; nop; nop; \ + nop; nop; nop; nop; \ + nop; nop; nop; nop; \ + nop; nop; nop; + +#define FINISH_VISCHUNK(dest, f0, f1, left) \ + subcc %left, 8, %left; \ + bl,pn %xcc, 205f; \ + faligndata %f0, %f1, %f48; \ + std %f48, [%dest]; \ + add %dest, 8, %dest; + +#define UNEVEN_VISCHUNK(dest, f0, f1, left) \ + subcc %left, 8, %left; \ + bl,pn %xcc, 205f; \ + fsrc1 %f0, %f1; \ + ba,a,pt %xcc, 204f; + + /* Macros for non-VIS memcpy code. */ +#define MOVE_BIGCHUNK(src, dst, offset, t0, t1, t2, t3) \ + ldx [%src + offset + 0x00], %t0; \ + ldx [%src + offset + 0x08], %t1; \ + ldx [%src + offset + 0x10], %t2; \ + ldx [%src + offset + 0x18], %t3; \ + stw %t0, [%dst + offset + 0x04]; \ + srlx %t0, 32, %t0; \ + stw %t0, [%dst + offset + 0x00]; \ + stw %t1, [%dst + offset + 0x0c]; \ + srlx %t1, 32, %t1; \ + stw %t1, [%dst + offset + 0x08]; \ + stw %t2, [%dst + offset + 0x14]; \ + srlx %t2, 32, %t2; \ + stw %t2, [%dst + offset + 0x10]; \ + stw %t3, [%dst + offset + 0x1c]; \ + srlx %t3, 32, %t3; \ + stw %t3, [%dst + offset + 0x18]; + +#define MOVE_BIGALIGNCHUNK(src, dst, offset, t0, t1, t2, t3) \ + ldx [%src + offset + 0x00], %t0; \ + ldx [%src + offset + 0x08], %t1; \ + ldx [%src + offset + 0x10], %t2; \ + ldx [%src + offset + 0x18], %t3; \ + stx %t0, [%dst + offset + 0x00]; \ + stx %t1, [%dst + offset + 0x08]; \ + stx %t2, [%dst + offset + 0x10]; \ + stx %t3, [%dst + offset + 0x18]; \ + ldx [%src + offset + 0x20], %t0; \ + ldx [%src + offset + 0x28], %t1; \ + ldx [%src + offset + 0x30], %t2; \ + ldx [%src + offset + 0x38], %t3; \ + stx %t0, [%dst + offset + 0x20]; \ + stx %t1, [%dst + offset + 0x28]; \ + stx %t2, [%dst + offset + 0x30]; \ + stx %t3, [%dst + offset + 0x38]; + +#define MOVE_LASTCHUNK(src, dst, offset, t0, t1, t2, t3) \ + ldx [%src - offset - 0x10], %t0; \ + ldx [%src - offset - 0x08], %t1; \ + stw %t0, [%dst - offset - 0x0c]; \ + srlx %t0, 32, %t2; \ + stw %t2, [%dst - offset - 0x10]; \ + stw %t1, [%dst - offset - 0x04]; \ + srlx %t1, 32, %t3; \ + stw %t3, [%dst - offset - 0x08]; + +#define MOVE_LASTALIGNCHUNK(src, dst, offset, t0, t1) \ + ldx [%src - offset - 0x10], %t0; \ + ldx [%src - offset - 0x08], %t1; \ + stx %t0, [%dst - offset - 0x10]; \ + stx %t1, [%dst - offset - 0x08]; + + /* Macros for non-VIS memmove code. */ +#define RMOVE_BIGCHUNK(src, dst, offset, t0, t1, t2, t3) \ + ldx [%src - offset - 0x20], %t0; \ + ldx [%src - offset - 0x18], %t1; \ + ldx [%src - offset - 0x10], %t2; \ + ldx [%src - offset - 0x08], %t3; \ + stw %t0, [%dst - offset - 0x1c]; \ + srlx %t0, 32, %t0; \ + stw %t0, [%dst - offset - 0x20]; \ + stw %t1, [%dst - offset - 0x14]; \ + srlx %t1, 32, %t1; \ + stw %t1, [%dst - offset - 0x18]; \ + stw %t2, [%dst - offset - 0x0c]; \ + srlx %t2, 32, %t2; \ + stw %t2, [%dst - offset - 0x10]; \ + stw %t3, [%dst - offset - 0x04]; \ + srlx %t3, 32, %t3; \ + stw %t3, [%dst - offset - 0x08]; + +#define RMOVE_BIGALIGNCHUNK(src, dst, offset, t0, t1, t2, t3) \ + ldx [%src - offset - 0x20], %t0; \ + ldx [%src - offset - 0x18], %t1; \ + ldx [%src - offset - 0x10], %t2; \ + ldx [%src - offset - 0x08], %t3; \ + stx %t0, [%dst - offset - 0x20]; \ + stx %t1, [%dst - offset - 0x18]; \ + stx %t2, [%dst - offset - 0x10]; \ + stx %t3, [%dst - offset - 0x08]; \ + ldx [%src - offset - 0x40], %t0; \ + ldx [%src - offset - 0x38], %t1; \ + ldx [%src - offset - 0x30], %t2; \ + ldx [%src - offset - 0x28], %t3; \ + stx %t0, [%dst - offset - 0x40]; \ + stx %t1, [%dst - offset - 0x38]; \ + stx %t2, [%dst - offset - 0x30]; \ + stx %t3, [%dst - offset - 0x28]; + +#define RMOVE_LASTCHUNK(src, dst, offset, t0, t1, t2, t3) \ + ldx [%src + offset + 0x00], %t0; \ + ldx [%src + offset + 0x08], %t1; \ + stw %t0, [%dst + offset + 0x04]; \ + srlx %t0, 32, %t2; \ + stw %t2, [%dst + offset + 0x00]; \ + stw %t1, [%dst + offset + 0x0c]; \ + srlx %t1, 32, %t3; \ + stw %t3, [%dst + offset + 0x08]; + +#define RMOVE_LASTALIGNCHUNK(src, dst, offset, t0, t1) \ + ldx [%src + offset + 0x00], %t0; \ + ldx [%src + offset + 0x08], %t1; \ + stx %t0, [%dst + offset + 0x00]; \ + stx %t1, [%dst + offset + 0x08]; + + .text + .align 32 + +ENTRY(bcopy) + sub %o1, %o0, %o4 /* IEU0 Group */ + mov %o0, %g3 /* IEU1 */ + cmp %o4, %o2 /* IEU1 Group */ + mov %o1, %o0 /* IEU0 */ + bgeu,pt %XCC, 210f /* CTI */ + mov %g3, %o1 /* IEU0 Group */ +#ifndef USE_BPR + srl %o2, 0, %o2 /* IEU1 */ +#endif + brnz,pn %o2, 220f /* CTI Group */ + add %o0, %o2, %o0 /* IEU0 */ + retl + nop +END(bcopy) + + .align 32 +200: be,pt %xcc, 201f /* CTI */ + andcc %o0, 0x38, %g5 /* IEU1 Group */ + mov 8, %g1 /* IEU0 */ + sub %g1, %g2, %g2 /* IEU0 Group */ + andcc %o0, 1, %g0 /* IEU1 */ + be,pt %icc, 2f /* CTI */ + sub %o2, %g2, %o2 /* IEU0 Group */ +1: ldub [%o1], %o5 /* Load Group */ + add %o1, 1, %o1 /* IEU0 */ + add %o0, 1, %o0 /* IEU1 */ + subcc %g2, 1, %g2 /* IEU1 Group */ + be,pn %xcc, 3f /* CTI */ + stb %o5, [%o0 - 1] /* Store */ +2: ldub [%o1], %o5 /* Load Group */ + add %o0, 2, %o0 /* IEU0 */ + ldub [%o1 + 1], %g3 /* Load Group */ + subcc %g2, 2, %g2 /* IEU1 Group */ + stb %o5, [%o0 - 2] /* Store */ + add %o1, 2, %o1 /* IEU0 */ + bne,pt %xcc, 2b /* CTI Group */ + stb %g3, [%o0 - 1] /* Store */ +3: andcc %o0, 0x38, %g5 /* IEU1 Group */ +201: be,pt %icc, 202f /* CTI */ + mov 64, %g1 /* IEU0 */ + fmovd %f0, %f2 /* FPU */ + sub %g1, %g5, %g5 /* IEU0 Group */ + alignaddr %o1, %g0, %g1 /* GRU Group */ + ldd [%g1], %f4 /* Load Group */ + sub %o2, %g5, %o2 /* IEU0 */ +1: ldd [%g1 + 0x8], %f6 /* Load Group */ + add %g1, 0x8, %g1 /* IEU0 Group */ + subcc %g5, 8, %g5 /* IEU1 */ + faligndata %f4, %f6, %f0 /* GRU Group */ + std %f0, [%o0] /* Store */ + add %o1, 8, %o1 /* IEU0 Group */ + be,pn %xcc, 202f /* CTI */ + add %o0, 8, %o0 /* IEU1 */ + ldd [%g1 + 0x8], %f4 /* Load Group */ + add %g1, 8, %g1 /* IEU0 */ + subcc %g5, 8, %g5 /* IEU1 */ + faligndata %f6, %f4, %f0 /* GRU Group */ + std %f0, [%o0] /* Store */ + add %o1, 8, %o1 /* IEU0 */ + bne,pt %xcc, 1b /* CTI Group */ + add %o0, 8, %o0 /* IEU0 */ +202: membar #LoadStore | #StoreStore | #StoreLoad /* LSU Group */ + wr %g0, ASI_BLK_P, %asi /* LSU Group */ + subcc %o2, 0x40, %g6 /* IEU1 Group */ + mov %o1, %g1 /* IEU0 */ + andncc %g6, (0x40 - 1), %g6 /* IEU1 Group */ + srl %g1, 3, %g2 /* IEU0 */ + sub %o2, %g6, %g3 /* IEU0 Group */ + andn %o1, (0x40 - 1), %o1 /* IEU1 */ + and %g2, 7, %g2 /* IEU0 Group */ + andncc %g3, 0x7, %g3 /* IEU1 */ + fmovd %f0, %f2 /* FPU */ + sub %g3, 0x10, %g3 /* IEU0 Group */ + sub %o2, %g6, %o2 /* IEU1 */ + alignaddr %g1, %g0, %g0 /* GRU Group */ + add %g1, %g6, %g1 /* IEU0 Group */ + subcc %o2, %g3, %o2 /* IEU1 */ + ldda [%o1 + 0x00] %asi, %f0 /* LSU Group */ + add %g1, %g3, %g1 /* IEU0 */ + ldda [%o1 + 0x40] %asi, %f16 /* LSU Group */ + sub %g6, 0x80, %g6 /* IEU0 */ + ldda [%o1 + 0x80] %asi, %f32 /* LSU Group */ + /* Clk1 Group 8-( */ + /* Clk2 Group 8-( */ + /* Clk3 Group 8-( */ + /* Clk4 Group 8-( */ +203: rd %pc, %g5 /* PDU Group 8-( */ + addcc %g5, %lo(300f - 203b), %g5 /* IEU1 Group */ + sll %g2, 9, %g2 /* IEU0 */ + jmpl %g5 + %g2, %g0 /* CTI Group brk forced*/ + addcc %o1, 0xc0, %o1 /* IEU1 Group */ + + .align 512 /* OK, here comes the fun part... */ +300: FREG_FROB(f0, f2, f4, f6, f8, f10,f12,f14,f16) LOOP_CHUNK1(o1, o0, g6, 301f) + FREG_FROB(f16,f18,f20,f22,f24,f26,f28,f30,f32) LOOP_CHUNK2(o1, o0, g6, 302f) + FREG_FROB(f32,f34,f36,f38,f40,f42,f44,f46,f0) LOOP_CHUNK3(o1, o0, g6, 303f) + b,pt %xcc, 300b+4; faligndata %f0, %f2, %f48 +301: FREG_FROB(f16,f18,f20,f22,f24,f26,f28,f30,f32) STORE_SYNC(o0, f48) membar #Sync + FREG_FROB(f32,f34,f36,f38,f40,f42,f44,f46,f0) STORE_JUMP(o0, f48, 400f) membar #Sync +302: FREG_FROB(f32,f34,f36,f38,f40,f42,f44,f46,f0) STORE_SYNC(o0, f48) membar #Sync + FREG_FROB(f0, f2, f4, f6, f8, f10,f12,f14,f16) STORE_JUMP(o0, f48, 416f) membar #Sync +303: FREG_FROB(f0, f2, f4, f6, f8, f10,f12,f14,f16) STORE_SYNC(o0, f48) membar #Sync + FREG_FROB(f16,f18,f20,f22,f24,f26,f28,f30,f32) STORE_JUMP(o0, f48, 432f) membar #Sync + VISLOOP_PAD +310: FREG_FROB(f2, f4, f6, f8, f10,f12,f14,f16,f18) LOOP_CHUNK1(o1, o0, g6, 311f) + FREG_FROB(f18,f20,f22,f24,f26,f28,f30,f32,f34) LOOP_CHUNK2(o1, o0, g6, 312f) + FREG_FROB(f34,f36,f38,f40,f42,f44,f46,f0, f2) LOOP_CHUNK3(o1, o0, g6, 313f) + b,pt %xcc, 310b+4; faligndata %f2, %f4, %f48 +311: FREG_FROB(f18,f20,f22,f24,f26,f28,f30,f32,f34) STORE_SYNC(o0, f48) membar #Sync + FREG_FROB(f34,f36,f38,f40,f42,f44,f46,f0, f2) STORE_JUMP(o0, f48, 402f) membar #Sync +312: FREG_FROB(f34,f36,f38,f40,f42,f44,f46,f0, f2) STORE_SYNC(o0, f48) membar #Sync + FREG_FROB(f2, f4, f6, f8, f10,f12,f14,f16,f18) STORE_JUMP(o0, f48, 418f) membar #Sync +313: FREG_FROB(f2, f4, f6, f8, f10,f12,f14,f16,f18) STORE_SYNC(o0, f48) membar #Sync + FREG_FROB(f18,f20,f22,f24,f26,f28,f30,f32,f34) STORE_JUMP(o0, f48, 434f) membar #Sync + VISLOOP_PAD +320: FREG_FROB(f4, f6, f8, f10,f12,f14,f16,f18,f20) LOOP_CHUNK1(o1, o0, g6, 321f) + FREG_FROB(f20,f22,f24,f26,f28,f30,f32,f34,f36) LOOP_CHUNK2(o1, o0, g6, 322f) + FREG_FROB(f36,f38,f40,f42,f44,f46,f0, f2, f4) LOOP_CHUNK3(o1, o0, g6, 323f) + b,pt %xcc, 320b+4; faligndata %f4, %f6, %f48 +321: FREG_FROB(f20,f22,f24,f26,f28,f30,f32,f34,f36) STORE_SYNC(o0, f48) membar #Sync + FREG_FROB(f36,f38,f40,f42,f44,f46,f0, f2, f4) STORE_JUMP(o0, f48, 404f) membar #Sync +322: FREG_FROB(f36,f38,f40,f42,f44,f46,f0, f2, f4) STORE_SYNC(o0, f48) membar #Sync + FREG_FROB(f4, f6, f8, f10,f12,f14,f16,f18,f20) STORE_JUMP(o0, f48, 420f) membar #Sync +323: FREG_FROB(f4, f6, f8, f10,f12,f14,f16,f18,f20) STORE_SYNC(o0, f48) membar #Sync + FREG_FROB(f20,f22,f24,f26,f28,f30,f32,f34,f36) STORE_JUMP(o0, f48, 436f) membar #Sync + VISLOOP_PAD +330: FREG_FROB(f6, f8, f10,f12,f14,f16,f18,f20,f22) LOOP_CHUNK1(o1, o0, g6, 331f) + FREG_FROB(f22,f24,f26,f28,f30,f32,f34,f36,f38) LOOP_CHUNK2(o1, o0, g6, 332f) + FREG_FROB(f38,f40,f42,f44,f46,f0, f2, f4, f6) LOOP_CHUNK3(o1, o0, g6, 333f) + b,pt %xcc, 330b+4; faligndata %f6, %f8, %f48 +331: FREG_FROB(f22,f24,f26,f28,f30,f32,f34,f36,f38) STORE_SYNC(o0, f48) membar #Sync + FREG_FROB(f38,f40,f42,f44,f46,f0, f2, f4, f6) STORE_JUMP(o0, f48, 406f) membar #Sync +332: FREG_FROB(f38,f40,f42,f44,f46,f0, f2, f4, f6) STORE_SYNC(o0, f48) membar #Sync + FREG_FROB(f6, f8, f10,f12,f14,f16,f18,f20,f22) STORE_JUMP(o0, f48, 422f) membar #Sync +333: FREG_FROB(f6, f8, f10,f12,f14,f16,f18,f20,f22) STORE_SYNC(o0, f48) membar #Sync + FREG_FROB(f22,f24,f26,f28,f30,f32,f34,f36,f38) STORE_JUMP(o0, f48, 438f) membar #Sync + VISLOOP_PAD +340: FREG_FROB(f8, f10,f12,f14,f16,f18,f20,f22,f24) LOOP_CHUNK1(o1, o0, g6, 341f) + FREG_FROB(f24,f26,f28,f30,f32,f34,f36,f38,f40) LOOP_CHUNK2(o1, o0, g6, 342f) + FREG_FROB(f40,f42,f44,f46,f0, f2, f4, f6, f8) LOOP_CHUNK3(o1, o0, g6, 343f) + b,pt %xcc, 340b+4; faligndata %f8, %f10, %f48 +341: FREG_FROB(f24,f26,f28,f30,f32,f34,f36,f38,f40) STORE_SYNC(o0, f48) membar #Sync + FREG_FROB(f40,f42,f44,f46,f0, f2, f4, f6, f8) STORE_JUMP(o0, f48, 408f) membar #Sync +342: FREG_FROB(f40,f42,f44,f46,f0, f2, f4, f6, f8) STORE_SYNC(o0, f48) membar #Sync + FREG_FROB(f8, f10,f12,f14,f16,f18,f20,f22,f24) STORE_JUMP(o0, f48, 424f) membar #Sync +343: FREG_FROB(f8, f10,f12,f14,f16,f18,f20,f22,f24) STORE_SYNC(o0, f48) membar #Sync + FREG_FROB(f24,f26,f28,f30,f32,f34,f36,f38,f40) STORE_JUMP(o0, f48, 440f) membar #Sync + VISLOOP_PAD +350: FREG_FROB(f10,f12,f14,f16,f18,f20,f22,f24,f26) LOOP_CHUNK1(o1, o0, g6, 351f) + FREG_FROB(f26,f28,f30,f32,f34,f36,f38,f40,f42) LOOP_CHUNK2(o1, o0, g6, 352f) + FREG_FROB(f42,f44,f46,f0, f2, f4, f6, f8, f10) LOOP_CHUNK3(o1, o0, g6, 353f) + b,pt %xcc, 350b+4; faligndata %f10, %f12, %f48 +351: FREG_FROB(f26,f28,f30,f32,f34,f36,f38,f40,f42) STORE_SYNC(o0, f48) membar #Sync + FREG_FROB(f42,f44,f46,f0, f2, f4, f6, f8, f10) STORE_JUMP(o0, f48, 410f) membar #Sync +352: FREG_FROB(f42,f44,f46,f0, f2, f4, f6, f8, f10) STORE_SYNC(o0, f48) membar #Sync + FREG_FROB(f10,f12,f14,f16,f18,f20,f22,f24,f26) STORE_JUMP(o0, f48, 426f) membar #Sync +353: FREG_FROB(f10,f12,f14,f16,f18,f20,f22,f24,f26) STORE_SYNC(o0, f48) membar #Sync + FREG_FROB(f26,f28,f30,f32,f34,f36,f38,f40,f42) STORE_JUMP(o0, f48, 442f) membar #Sync + VISLOOP_PAD +360: FREG_FROB(f12,f14,f16,f18,f20,f22,f24,f26,f28) LOOP_CHUNK1(o1, o0, g6, 361f) + FREG_FROB(f28,f30,f32,f34,f36,f38,f40,f42,f44) LOOP_CHUNK2(o1, o0, g6, 362f) + FREG_FROB(f44,f46,f0, f2, f4, f6, f8, f10,f12) LOOP_CHUNK3(o1, o0, g6, 363f) + b,pt %xcc, 360b+4; faligndata %f12, %f14, %f48 +361: FREG_FROB(f28,f30,f32,f34,f36,f38,f40,f42,f44) STORE_SYNC(o0, f48) membar #Sync + FREG_FROB(f44,f46,f0, f2, f4, f6, f8, f10,f12) STORE_JUMP(o0, f48, 412f) membar #Sync +362: FREG_FROB(f44,f46,f0, f2, f4, f6, f8, f10,f12) STORE_SYNC(o0, f48) membar #Sync + FREG_FROB(f12,f14,f16,f18,f20,f22,f24,f26,f28) STORE_JUMP(o0, f48, 428f) membar #Sync +363: FREG_FROB(f12,f14,f16,f18,f20,f22,f24,f26,f28) STORE_SYNC(o0, f48) membar #Sync + FREG_FROB(f28,f30,f32,f34,f36,f38,f40,f42,f44) STORE_JUMP(o0, f48, 444f) membar #Sync + VISLOOP_PAD +370: FREG_FROB(f14,f16,f18,f20,f22,f24,f26,f28,f30) LOOP_CHUNK1(o1, o0, g6, 371f) + FREG_FROB(f30,f32,f34,f36,f38,f40,f42,f44,f46) LOOP_CHUNK2(o1, o0, g6, 372f) + FREG_FROB(f46,f0, f2, f4, f6, f8, f10,f12,f14) LOOP_CHUNK3(o1, o0, g6, 373f) + b,pt %xcc, 370b+4; faligndata %f14, %f16, %f48 +371: FREG_FROB(f30,f32,f34,f36,f38,f40,f42,f44,f46) STORE_SYNC(o0, f48) membar #Sync + FREG_FROB(f46,f0, f2, f4, f6, f8, f10,f12,f14) STORE_JUMP(o0, f48, 414f) membar #Sync +372: FREG_FROB(f46,f0, f2, f4, f6, f8, f10,f12,f14) STORE_SYNC(o0, f48) membar #Sync + FREG_FROB(f14,f16,f18,f20,f22,f24,f26,f28,f30) STORE_JUMP(o0, f48, 430f) membar #Sync +373: FREG_FROB(f14,f16,f18,f20,f22,f24,f26,f28,f30) STORE_SYNC(o0, f48) membar #Sync + FREG_FROB(f30,f32,f34,f36,f38,f40,f42,f44,f46) STORE_JUMP(o0, f48, 446f) membar #Sync + VISLOOP_PAD +400: FINISH_VISCHUNK(o0, f0, f2, g3) +402: FINISH_VISCHUNK(o0, f2, f4, g3) +404: FINISH_VISCHUNK(o0, f4, f6, g3) +406: FINISH_VISCHUNK(o0, f6, f8, g3) +408: FINISH_VISCHUNK(o0, f8, f10, g3) +410: FINISH_VISCHUNK(o0, f10, f12, g3) +412: FINISH_VISCHUNK(o0, f12, f14, g3) +414: UNEVEN_VISCHUNK(o0, f14, f0, g3) +416: FINISH_VISCHUNK(o0, f16, f18, g3) +418: FINISH_VISCHUNK(o0, f18, f20, g3) +420: FINISH_VISCHUNK(o0, f20, f22, g3) +422: FINISH_VISCHUNK(o0, f22, f24, g3) +424: FINISH_VISCHUNK(o0, f24, f26, g3) +426: FINISH_VISCHUNK(o0, f26, f28, g3) +428: FINISH_VISCHUNK(o0, f28, f30, g3) +430: UNEVEN_VISCHUNK(o0, f30, f0, g3) +432: FINISH_VISCHUNK(o0, f32, f34, g3) +434: FINISH_VISCHUNK(o0, f34, f36, g3) +436: FINISH_VISCHUNK(o0, f36, f38, g3) +438: FINISH_VISCHUNK(o0, f38, f40, g3) +440: FINISH_VISCHUNK(o0, f40, f42, g3) +442: FINISH_VISCHUNK(o0, f42, f44, g3) +444: FINISH_VISCHUNK(o0, f44, f46, g3) +446: UNEVEN_VISCHUNK(o0, f46, f0, g3) +204: ldd [%o1], %f2 /* Load Group */ + add %o1, 8, %o1 /* IEU0 */ + subcc %g3, 8, %g3 /* IEU1 */ + faligndata %f0, %f2, %f8 /* GRU Group */ + std %f8, [%o0] /* Store */ + bl,pn %xcc, 205f /* CTI */ + add %o0, 8, %o0 /* IEU0 Group */ + ldd [%o1], %f0 /* Load Group */ + add %o1, 8, %o1 /* IEU0 */ + subcc %g3, 8, %g3 /* IEU1 */ + faligndata %f2, %f0, %f8 /* GRU Group */ + std %f8, [%o0] /* Store */ + bge,pt %xcc, 204b /* CTI */ + add %o0, 8, %o0 /* IEU0 Group */ +205: brz,pt %o2, 207f /* CTI Group */ + mov %g1, %o1 /* IEU0 */ +206: ldub [%o1], %g5 /* LOAD */ + add %o1, 1, %o1 /* IEU0 */ + add %o0, 1, %o0 /* IEU1 */ + subcc %o2, 1, %o2 /* IEU1 */ + bne,pt %xcc, 206b /* CTI */ + stb %g5, [%o0 - 1] /* Store Group */ +207: membar #StoreLoad | #StoreStore /* LSU Group */ + wr %g0, FPRS_FEF, %fprs + retl + mov %g4, %o0 + +208: andcc %o2, 1, %g0 /* IEU1 Group */ + be,pt %icc, 2f+4 /* CTI */ +1: ldub [%o1], %g5 /* LOAD Group */ + add %o1, 1, %o1 /* IEU0 */ + add %o0, 1, %o0 /* IEU1 */ + subcc %o2, 1, %o2 /* IEU1 Group */ + be,pn %xcc, 209f /* CTI */ + stb %g5, [%o0 - 1] /* Store */ +2: ldub [%o1], %g5 /* LOAD Group */ + add %o0, 2, %o0 /* IEU0 */ + ldub [%o1 + 1], %o5 /* LOAD Group */ + add %o1, 2, %o1 /* IEU0 */ + subcc %o2, 2, %o2 /* IEU1 Group */ + stb %g5, [%o0 - 2] /* Store */ + bne,pt %xcc, 2b /* CTI */ + stb %o5, [%o0 - 1] /* Store */ +209: retl + mov %g4, %o0 + +#ifdef USE_BPR + + /* void *__align_cpy_4(void *dest, void *src, size_t n) + * SPARC v9 SYSV ABI + * Like memcpy, but results are undefined if (!n || ((dest | src | n) & 3)) + */ + + .align 32 +ENTRY(__align_cpy_4) + mov %o0, %g4 /* IEU0 Group */ + cmp %o2, 15 /* IEU1 */ + bleu,pn %xcc, 208b /* CTI */ + cmp %o2, (64 * 6) /* IEU1 Group */ + bgeu,pn %xcc, 200b /* CTI */ + andcc %o0, 7, %g2 /* IEU1 Group */ + ba,pt %xcc, 216f /* CTI */ + andcc %o1, 4, %g0 /* IEU1 Group */ +END(__align_cpy_4) + + /* void *__align_cpy_8(void *dest, void *src, size_t n) + * SPARC v9 SYSV ABI + * Like memcpy, but results are undefined if (!n || ((dest | src | n) & 7)) + */ + + .align 32 +ENTRY(__align_cpy_8) + mov %o0, %g4 /* IEU0 Group */ + cmp %o2, 15 /* IEU1 */ + bleu,pn %xcc, 208b /* CTI */ + cmp %o2, (64 * 6) /* IEU1 Group */ + bgeu,pn %xcc, 201b /* CTI */ + andcc %o0, 0x38, %g5 /* IEU1 Group */ + andcc %o2, -128, %g6 /* IEU1 Group */ + bne,a,pt %xcc, 82f + 4 /* CTI */ + ldx [%o1], %g1 /* Load */ + ba,pt %xcc, 41f /* CTI Group */ + andcc %o2, 0x70, %g6 /* IEU1 */ +END(__align_cpy_8) + + /* void *__align_cpy_16(void *dest, void *src, size_t n) + * SPARC v9 SYSV ABI + * Like memcpy, but results are undefined if (!n || ((dest | src | n) & 15)) + */ + + .align 32 +ENTRY(__align_cpy_16) + mov %o0, %g4 /* IEU0 Group */ + cmp %o2, (64 * 6) /* IEU1 */ + bgeu,pn %xcc, 201b /* CTI */ + andcc %o0, 0x38, %g5 /* IEU1 Group */ + andcc %o2, -128, %g6 /* IEU1 Group */ + bne,a,pt %xcc, 82f + 4 /* CTI */ + ldx [%o1], %g1 /* Load */ + ba,pt %xcc, 41f /* CTI Group */ + andcc %o2, 0x70, %g6 /* IEU1 */ +END(__align_cpy_16) + +#endif + + .align 32 +ENTRY(memcpy) +210: +#ifndef USE_BPR + srl %o2, 0, %o2 /* IEU1 Group */ +#endif + brz,pn %o2, 209b /* CTI Group */ + mov %o0, %g4 /* IEU0 */ +218: cmp %o2, 15 /* IEU1 Group */ + bleu,pn %xcc, 208b /* CTI */ + cmp %o2, (64 * 6) /* IEU1 Group */ + bgeu,pn %xcc, 200b /* CTI */ + andcc %o0, 7, %g2 /* IEU1 Group */ + sub %o0, %o1, %g5 /* IEU0 */ + andcc %g5, 3, %o5 /* IEU1 Group */ + bne,pn %xcc, 212f /* CTI */ + andcc %o1, 3, %g0 /* IEU1 Group */ + be,a,pt %xcc, 216f /* CTI */ + andcc %o1, 4, %g0 /* IEU1 Group */ + andcc %o1, 1, %g0 /* IEU1 Group */ + be,pn %xcc, 4f /* CTI */ + andcc %o1, 2, %g0 /* IEU1 Group */ + ldub [%o1], %g2 /* Load Group */ + add %o1, 1, %o1 /* IEU0 */ + add %o0, 1, %o0 /* IEU1 */ + sub %o2, 1, %o2 /* IEU0 Group */ + bne,pn %xcc, 5f /* CTI Group */ + stb %g2, [%o0 - 1] /* Store */ +4: lduh [%o1], %g2 /* Load Group */ + add %o1, 2, %o1 /* IEU0 */ + add %o0, 2, %o0 /* IEU1 */ + sub %o2, 2, %o2 /* IEU0 */ + sth %g2, [%o0 - 2] /* Store Group + bubble */ +5: andcc %o1, 4, %g0 /* IEU1 */ +216: be,a,pn %xcc, 2f /* CTI */ + andcc %o2, -128, %g6 /* IEU1 Group */ + lduw [%o1], %g5 /* Load Group */ + add %o1, 4, %o1 /* IEU0 */ + add %o0, 4, %o0 /* IEU1 */ + sub %o2, 4, %o2 /* IEU0 Group */ + stw %g5, [%o0 - 4] /* Store */ + andcc %o2, -128, %g6 /* IEU1 Group */ +2: be,pn %xcc, 215f /* CTI */ + andcc %o0, 4, %g0 /* IEU1 Group */ + be,pn %xcc, 82f + 4 /* CTI Group */ +5: MOVE_BIGCHUNK(o1, o0, 0x00, g1, g3, g5, o5) + MOVE_BIGCHUNK(o1, o0, 0x20, g1, g3, g5, o5) + MOVE_BIGCHUNK(o1, o0, 0x40, g1, g3, g5, o5) + MOVE_BIGCHUNK(o1, o0, 0x60, g1, g3, g5, o5) +35: subcc %g6, 128, %g6 /* IEU1 Group */ + add %o1, 128, %o1 /* IEU0 */ + bne,pt %xcc, 5b /* CTI */ + add %o0, 128, %o0 /* IEU0 Group */ +215: andcc %o2, 0x70, %g6 /* IEU1 Group */ +41: be,pn %xcc, 80f /* CTI */ + andcc %o2, 8, %g0 /* IEU1 Group */ + /* Clk1 8-( */ + /* Clk2 8-( */ + /* Clk3 8-( */ + /* Clk4 8-( */ +79: rd %pc, %o5 /* PDU Group */ + sll %g6, 1, %g5 /* IEU0 Group */ + add %o1, %g6, %o1 /* IEU1 */ + sub %o5, %g5, %o5 /* IEU0 Group */ + jmpl %o5 + %lo(80f - 79b), %g0 /* CTI Group brk forced*/ + add %o0, %g6, %o0 /* IEU0 Group */ +36: MOVE_LASTCHUNK(o1, o0, 0x60, g2, g3, g5, o5) + MOVE_LASTCHUNK(o1, o0, 0x50, g2, g3, g5, o5) + MOVE_LASTCHUNK(o1, o0, 0x40, g2, g3, g5, o5) + MOVE_LASTCHUNK(o1, o0, 0x30, g2, g3, g5, o5) + MOVE_LASTCHUNK(o1, o0, 0x20, g2, g3, g5, o5) + MOVE_LASTCHUNK(o1, o0, 0x10, g2, g3, g5, o5) + MOVE_LASTCHUNK(o1, o0, 0x00, g2, g3, g5, o5) +80: be,pt %xcc, 81f /* CTI */ + andcc %o2, 4, %g0 /* IEU1 */ + ldx [%o1], %g2 /* Load Group */ + add %o0, 8, %o0 /* IEU0 */ + stw %g2, [%o0 - 0x4] /* Store Group */ + add %o1, 8, %o1 /* IEU1 */ + srlx %g2, 32, %g2 /* IEU0 Group */ + stw %g2, [%o0 - 0x8] /* Store */ +81: be,pt %xcc, 1f /* CTI */ + andcc %o2, 2, %g0 /* IEU1 Group */ + lduw [%o1], %g2 /* Load Group */ + add %o1, 4, %o1 /* IEU0 */ + stw %g2, [%o0] /* Store Group */ + add %o0, 4, %o0 /* IEU0 */ +1: be,pt %xcc, 1f /* CTI */ + andcc %o2, 1, %g0 /* IEU1 Group */ + lduh [%o1], %g2 /* Load Group */ + add %o1, 2, %o1 /* IEU0 */ + sth %g2, [%o0] /* Store Group */ + add %o0, 2, %o0 /* IEU0 */ +1: be,pt %xcc, 211f /* CTI */ + nop /* IEU1 */ + ldub [%o1], %g2 /* Load Group */ + stb %g2, [%o0] /* Store Group + bubble */ +211: retl + mov %g4, %o0 + +82: MOVE_BIGALIGNCHUNK(o1, o0, 0x00, g1, g3, g5, o5) + MOVE_BIGALIGNCHUNK(o1, o0, 0x40, g1, g3, g5, o5) +37: subcc %g6, 128, %g6 /* IEU1 Group */ + add %o1, 128, %o1 /* IEU0 */ + bne,pt %xcc, 82b /* CTI */ + add %o0, 128, %o0 /* IEU0 Group */ + andcc %o2, 0x70, %g6 /* IEU1 */ + be,pn %xcc, 84f /* CTI */ + andcc %o2, 8, %g0 /* IEU1 Group */ + /* Clk1 8-( */ + /* Clk2 8-( */ + /* Clk3 8-( */ + /* Clk4 8-( */ +83: rd %pc, %o5 /* PDU Group */ + add %o1, %g6, %o1 /* IEU0 Group */ + sub %o5, %g6, %o5 /* IEU1 */ + jmpl %o5 + %lo(84f - 83b), %g0 /* CTI Group brk forced*/ + add %o0, %g6, %o0 /* IEU0 Group */ +38: MOVE_LASTALIGNCHUNK(o1, o0, 0x60, g2, g3) + MOVE_LASTALIGNCHUNK(o1, o0, 0x50, g2, g3) + MOVE_LASTALIGNCHUNK(o1, o0, 0x40, g2, g3) + MOVE_LASTALIGNCHUNK(o1, o0, 0x30, g2, g3) + MOVE_LASTALIGNCHUNK(o1, o0, 0x20, g2, g3) + MOVE_LASTALIGNCHUNK(o1, o0, 0x10, g2, g3) + MOVE_LASTALIGNCHUNK(o1, o0, 0x00, g2, g3) +84: be,pt %xcc, 85f /* CTI Group */ + andcc %o2, 4, %g0 /* IEU1 */ + ldx [%o1], %g2 /* Load Group */ + add %o0, 8, %o0 /* IEU0 */ + add %o1, 8, %o1 /* IEU0 Group */ + stx %g2, [%o0 - 0x8] /* Store */ +85: be,pt %xcc, 1f /* CTI */ + andcc %o2, 2, %g0 /* IEU1 Group */ + lduw [%o1], %g2 /* Load Group */ + add %o0, 4, %o0 /* IEU0 */ + add %o1, 4, %o1 /* IEU0 Group */ + stw %g2, [%o0 - 0x4] /* Store */ +1: be,pt %xcc, 1f /* CTI */ + andcc %o2, 1, %g0 /* IEU1 Group */ + lduh [%o1], %g2 /* Load Group */ + add %o0, 2, %o0 /* IEU0 */ + add %o1, 2, %o1 /* IEU0 Group */ + sth %g2, [%o0 - 0x2] /* Store */ +1: be,pt %xcc, 1f /* CTI */ + nop /* IEU0 Group */ + ldub [%o1], %g2 /* Load Group */ + stb %g2, [%o0] /* Store Group + bubble */ +1: retl + mov %g4, %o0 + +212: brz,pt %g2, 2f /* CTI Group */ + mov 8, %g1 /* IEU0 */ + sub %g1, %g2, %g2 /* IEU0 Group */ + sub %o2, %g2, %o2 /* IEU0 Group */ +1: ldub [%o1], %g5 /* Load Group */ + add %o1, 1, %o1 /* IEU0 */ + add %o0, 1, %o0 /* IEU1 */ + subcc %g2, 1, %g2 /* IEU1 Group */ + bne,pt %xcc, 1b /* CTI */ + stb %g5, [%o0 - 1] /* Store */ +2: andn %o2, 7, %g5 /* IEU0 Group */ + and %o2, 7, %o2 /* IEU1 */ + fmovd %f0, %f2 /* FPU */ + alignaddr %o1, %g0, %g1 /* GRU Group */ + ldd [%g1], %f4 /* Load Group */ +1: ldd [%g1 + 0x8], %f6 /* Load Group */ + add %g1, 0x8, %g1 /* IEU0 Group */ + subcc %g5, 8, %g5 /* IEU1 */ + faligndata %f4, %f6, %f0 /* GRU Group */ + std %f0, [%o0] /* Store */ + add %o1, 8, %o1 /* IEU0 Group */ + be,pn %xcc, 213f /* CTI */ + add %o0, 8, %o0 /* IEU1 */ + ldd [%g1 + 0x8], %f4 /* Load Group */ + add %g1, 8, %g1 /* IEU0 */ + subcc %g5, 8, %g5 /* IEU1 */ + faligndata %f6, %f4, %f0 /* GRU Group */ + std %f0, [%o0] /* Store */ + add %o1, 8, %o1 /* IEU0 */ + bne,pn %xcc, 1b /* CTI Group */ + add %o0, 8, %o0 /* IEU0 */ +213: brz,pn %o2, 214f /* CTI Group */ + nop /* IEU0 */ + ldub [%o1], %g5 /* LOAD */ + add %o1, 1, %o1 /* IEU0 */ + add %o0, 1, %o0 /* IEU1 */ + subcc %o2, 1, %o2 /* IEU1 */ + bne,pt %xcc, 206b /* CTI */ + stb %g5, [%o0 - 1] /* Store Group */ +214: wr %g0, FPRS_FEF, %fprs + retl + mov %g4, %o0 +END(memcpy) + + .align 32 +228: andcc %o2, 1, %g0 /* IEU1 Group */ + be,pt %icc, 2f+4 /* CTI */ +1: ldub [%o1 - 1], %o5 /* LOAD Group */ + sub %o1, 1, %o1 /* IEU0 */ + sub %o0, 1, %o0 /* IEU1 */ + subcc %o2, 1, %o2 /* IEU1 Group */ + be,pn %xcc, 229f /* CTI */ + stb %o5, [%o0] /* Store */ +2: ldub [%o1 - 1], %o5 /* LOAD Group */ + sub %o0, 2, %o0 /* IEU0 */ + ldub [%o1 - 2], %g5 /* LOAD Group */ + sub %o1, 2, %o1 /* IEU0 */ + subcc %o2, 2, %o2 /* IEU1 Group */ + stb %o5, [%o0 + 1] /* Store */ + bne,pt %xcc, 2b /* CTI */ + stb %g5, [%o0] /* Store */ +229: retl + mov %g4, %o0 +219: retl + nop + + .align 32 +ENTRY(memmove) +#ifndef USE_BPR + srl %o2, 0, %o2 /* IEU1 Group */ +#endif + brz,pn %o2, 219b /* CTI Group */ + sub %o0, %o1, %o4 /* IEU0 */ + cmp %o4, %o2 /* IEU1 Group */ + bgeu,pt %XCC, 218b /* CTI */ + mov %o0, %g4 /* IEU0 */ + add %o0, %o2, %o0 /* IEU0 Group */ +220: add %o1, %o2, %o1 /* IEU1 */ + cmp %o2, 15 /* IEU1 Group */ + bleu,pn %xcc, 228b /* CTI */ + andcc %o0, 7, %g2 /* IEU1 Group */ + sub %o0, %o1, %g5 /* IEU0 */ + andcc %g5, 3, %o5 /* IEU1 Group */ + bne,pn %xcc, 232f /* CTI */ + andcc %o1, 3, %g0 /* IEU1 Group */ + be,a,pt %xcc, 236f /* CTI */ + andcc %o1, 4, %g0 /* IEU1 Group */ + andcc %o1, 1, %g0 /* IEU1 Group */ + be,pn %xcc, 4f /* CTI */ + andcc %o1, 2, %g0 /* IEU1 Group */ + ldub [%o1 - 1], %g2 /* Load Group */ + sub %o1, 1, %o1 /* IEU0 */ + sub %o0, 1, %o0 /* IEU1 */ + sub %o2, 1, %o2 /* IEU0 Group */ + be,pn %xcc, 5f /* CTI Group */ + stb %g2, [%o0] /* Store */ +4: lduh [%o1 - 2], %g2 /* Load Group */ + sub %o1, 2, %o1 /* IEU0 */ + sub %o0, 2, %o0 /* IEU1 */ + sub %o2, 2, %o2 /* IEU0 */ + sth %g2, [%o0] /* Store Group + bubble */ +5: andcc %o1, 4, %g0 /* IEU1 */ +236: be,a,pn %xcc, 2f /* CTI */ + andcc %o2, -128, %g6 /* IEU1 Group */ + lduw [%o1 - 4], %g5 /* Load Group */ + sub %o1, 4, %o1 /* IEU0 */ + sub %o0, 4, %o0 /* IEU1 */ + sub %o2, 4, %o2 /* IEU0 Group */ + stw %g5, [%o0] /* Store */ + andcc %o2, -128, %g6 /* IEU1 Group */ +2: be,pn %xcc, 235f /* CTI */ + andcc %o0, 4, %g0 /* IEU1 Group */ + be,pn %xcc, 282f + 4 /* CTI Group */ +5: RMOVE_BIGCHUNK(o1, o0, 0x00, g1, g3, g5, o5) + RMOVE_BIGCHUNK(o1, o0, 0x20, g1, g3, g5, o5) + RMOVE_BIGCHUNK(o1, o0, 0x40, g1, g3, g5, o5) + RMOVE_BIGCHUNK(o1, o0, 0x60, g1, g3, g5, o5) + subcc %g6, 128, %g6 /* IEU1 Group */ + sub %o1, 128, %o1 /* IEU0 */ + bne,pt %xcc, 5b /* CTI */ + sub %o0, 128, %o0 /* IEU0 Group */ +235: andcc %o2, 0x70, %g6 /* IEU1 Group */ +41: be,pn %xcc, 280f /* CTI */ + andcc %o2, 8, %g0 /* IEU1 Group */ + /* Clk1 8-( */ + /* Clk2 8-( */ + /* Clk3 8-( */ + /* Clk4 8-( */ +279: rd %pc, %o5 /* PDU Group */ + sll %g6, 1, %g5 /* IEU0 Group */ + sub %o1, %g6, %o1 /* IEU1 */ + sub %o5, %g5, %o5 /* IEU0 Group */ + jmpl %o5 + %lo(280f - 279b), %g0 /* CTI Group brk forced*/ + sub %o0, %g6, %o0 /* IEU0 Group */ + RMOVE_LASTCHUNK(o1, o0, 0x60, g2, g3, g5, o5) + RMOVE_LASTCHUNK(o1, o0, 0x50, g2, g3, g5, o5) + RMOVE_LASTCHUNK(o1, o0, 0x40, g2, g3, g5, o5) + RMOVE_LASTCHUNK(o1, o0, 0x30, g2, g3, g5, o5) + RMOVE_LASTCHUNK(o1, o0, 0x20, g2, g3, g5, o5) + RMOVE_LASTCHUNK(o1, o0, 0x10, g2, g3, g5, o5) + RMOVE_LASTCHUNK(o1, o0, 0x00, g2, g3, g5, o5) +280: be,pt %xcc, 281f /* CTI */ + andcc %o2, 4, %g0 /* IEU1 */ + ldx [%o1 - 8], %g2 /* Load Group */ + sub %o0, 8, %o0 /* IEU0 */ + stw %g2, [%o0 + 4] /* Store Group */ + sub %o1, 8, %o1 /* IEU1 */ + srlx %g2, 32, %g2 /* IEU0 Group */ + stw %g2, [%o0] /* Store */ +281: be,pt %xcc, 1f /* CTI */ + andcc %o2, 2, %g0 /* IEU1 Group */ + lduw [%o1 - 4], %g2 /* Load Group */ + sub %o1, 4, %o1 /* IEU0 */ + stw %g2, [%o0 - 4] /* Store Group */ + sub %o0, 4, %o0 /* IEU0 */ +1: be,pt %xcc, 1f /* CTI */ + andcc %o2, 1, %g0 /* IEU1 Group */ + lduh [%o1 - 2], %g2 /* Load Group */ + sub %o1, 2, %o1 /* IEU0 */ + sth %g2, [%o0 - 2] /* Store Group */ + sub %o0, 2, %o0 /* IEU0 */ +1: be,pt %xcc, 211f /* CTI */ + nop /* IEU1 */ + ldub [%o1 - 1], %g2 /* Load Group */ + stb %g2, [%o0 - 1] /* Store Group + bubble */ +211: retl + mov %g4, %o0 + +282: RMOVE_BIGALIGNCHUNK(o1, o0, 0x00, g1, g3, g5, o5) + RMOVE_BIGALIGNCHUNK(o1, o0, 0x40, g1, g3, g5, o5) + subcc %g6, 128, %g6 /* IEU1 Group */ + sub %o1, 128, %o1 /* IEU0 */ + bne,pt %xcc, 282b /* CTI */ + sub %o0, 128, %o0 /* IEU0 Group */ + andcc %o2, 0x70, %g6 /* IEU1 */ + be,pn %xcc, 284f /* CTI */ + andcc %o2, 8, %g0 /* IEU1 Group */ + /* Clk1 8-( */ + /* Clk2 8-( */ + /* Clk3 8-( */ + /* Clk4 8-( */ +283: rd %pc, %o5 /* PDU Group */ + sub %o1, %g6, %o1 /* IEU0 Group */ + sub %o5, %g6, %o5 /* IEU1 */ + jmpl %o5 + %lo(284f - 283b), %g0 /* CTI Group brk forced*/ + sub %o0, %g6, %o0 /* IEU0 Group */ + RMOVE_LASTALIGNCHUNK(o1, o0, 0x60, g2, g3) + RMOVE_LASTALIGNCHUNK(o1, o0, 0x50, g2, g3) + RMOVE_LASTALIGNCHUNK(o1, o0, 0x40, g2, g3) + RMOVE_LASTALIGNCHUNK(o1, o0, 0x30, g2, g3) + RMOVE_LASTALIGNCHUNK(o1, o0, 0x20, g2, g3) + RMOVE_LASTALIGNCHUNK(o1, o0, 0x10, g2, g3) + RMOVE_LASTALIGNCHUNK(o1, o0, 0x00, g2, g3) +284: be,pt %xcc, 285f /* CTI Group */ + andcc %o2, 4, %g0 /* IEU1 */ + ldx [%o1 - 8], %g2 /* Load Group */ + sub %o0, 8, %o0 /* IEU0 */ + sub %o1, 8, %o1 /* IEU0 Group */ + stx %g2, [%o0] /* Store */ +285: be,pt %xcc, 1f /* CTI */ + andcc %o2, 2, %g0 /* IEU1 Group */ + lduw [%o1 - 4], %g2 /* Load Group */ + sub %o0, 4, %o0 /* IEU0 */ + sub %o1, 4, %o1 /* IEU0 Group */ + stw %g2, [%o0] /* Store */ +1: be,pt %xcc, 1f /* CTI */ + andcc %o2, 1, %g0 /* IEU1 Group */ + lduh [%o1 - 2], %g2 /* Load Group */ + sub %o0, 2, %o0 /* IEU0 */ + sub %o1, 2, %o1 /* IEU0 Group */ + sth %g2, [%o0] /* Store */ +1: be,pt %xcc, 1f /* CTI */ + nop /* IEU0 Group */ + ldub [%o1 - 1], %g2 /* Load Group */ + stb %g2, [%o0 - 1] /* Store Group + bubble */ +1: retl + mov %g4, %o0 + +232: brz,pt %g2, 2f /* CTI Group */ + sub %o2, %g2, %o2 /* IEU0 Group */ +1: ldub [%o1 - 1], %g5 /* Load Group */ + sub %o1, 1, %o1 /* IEU0 */ + sub %o0, 1, %o0 /* IEU1 */ + subcc %g2, 1, %g2 /* IEU1 Group */ + bne,pt %xcc, 1b /* CTI */ + stb %g5, [%o0] /* Store */ +2: andn %o2, 7, %g5 /* IEU0 Group */ + and %o2, 7, %o2 /* IEU1 */ + fmovd %f0, %f2 /* FPU */ + alignaddr %o1, %g0, %g1 /* GRU Group */ + ldd [%g1], %f4 /* Load Group */ +1: ldd [%g1 - 8], %f6 /* Load Group */ + sub %g1, 8, %g1 /* IEU0 Group */ + subcc %g5, 8, %g5 /* IEU1 */ + faligndata %f6, %f4, %f0 /* GRU Group */ + std %f0, [%o0 - 8] /* Store */ + sub %o1, 8, %o1 /* IEU0 Group */ + be,pn %xcc, 233f /* CTI */ + sub %o0, 8, %o0 /* IEU1 */ + ldd [%g1 - 8], %f4 /* Load Group */ + sub %g1, 8, %g1 /* IEU0 */ + subcc %g5, 8, %g5 /* IEU1 */ + faligndata %f4, %f6, %f0 /* GRU Group */ + std %f0, [%o0 - 8] /* Store */ + sub %o1, 8, %o1 /* IEU0 */ + bne,pn %xcc, 1b /* CTI Group */ + sub %o0, 8, %o0 /* IEU0 */ +233: brz,pn %o2, 234f /* CTI Group */ + nop /* IEU0 */ +237: ldub [%o1 - 1], %g5 /* LOAD */ + sub %o1, 1, %o1 /* IEU0 */ + sub %o0, 1, %o0 /* IEU1 */ + subcc %o2, 1, %o2 /* IEU1 */ + bne,pt %xcc, 237b /* CTI */ + stb %g5, [%o0] /* Store Group */ +234: wr %g0, FPRS_FEF, %fprs + retl + mov %g4, %o0 +END(memmove) + +#ifdef USE_BPR +weak_alias (memcpy, __align_cpy_1) +weak_alias (memcpy, __align_cpy_2) +#endif diff --git a/libc/string/sparc/sparc64/memset.S b/libc/string/sparc/sparc64/memset.S new file mode 100644 index 000000000..2e23f92a8 --- /dev/null +++ b/libc/string/sparc/sparc64/memset.S @@ -0,0 +1,313 @@ +/* Set a block of memory to some byte value. + For UltraSPARC. + Copyright (C) 1996, 97, 98, 99, 2003 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by David S. Miller (davem@caip.rutgers.edu) and + Jakub Jelinek (jj@ultra.linux.cz). + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <asm/asi.h> +#ifndef XCC +#define XCC xcc +#define USE_BPR +#endif +#define FPRS_FEF 4 + +#define SET_BLOCKS(base, offset, source) \ + stx source, [base - offset - 0x18]; \ + stx source, [base - offset - 0x10]; \ + stx source, [base - offset - 0x08]; \ + stx source, [base - offset - 0x00]; + + /* Well, memset is a lot easier to get right than bcopy... */ + .text + .align 32 +ENTRY(memset) + andcc %o1, 0xff, %o1 + mov %o0, %o5 + be,a,pt %icc, 50f +#ifndef USE_BPR + srl %o2, 0, %o1 +#else + mov %o2, %o1 +#endif + cmp %o2, 7 +#ifndef USE_BPR + srl %o2, 0, %o2 +#endif + bleu,pn %XCC, 17f + andcc %o0, 3, %g5 + be,pt %xcc, 4f + and %o1, 0xff, %o1 + cmp %g5, 3 + be,pn %xcc, 2f + stb %o1, [%o0 + 0x00] + cmp %g5, 2 + be,pt %xcc, 2f + stb %o1, [%o0 + 0x01] + stb %o1, [%o0 + 0x02] +2: sub %g5, 4, %g5 + sub %o0, %g5, %o0 + add %o2, %g5, %o2 +4: sllx %o1, 8, %g1 + andcc %o0, 4, %g0 + or %o1, %g1, %o1 + sllx %o1, 16, %g1 + or %o1, %g1, %o1 + be,pt %xcc, 2f + sllx %o1, 32, %g1 + stw %o1, [%o0] + sub %o2, 4, %o2 + add %o0, 4, %o0 +2: cmp %o2, 128 + or %o1, %g1, %o1 + blu,pn %xcc, 9f + andcc %o0, 0x38, %g5 + be,pn %icc, 6f + mov 64, %o4 + andcc %o0, 8, %g0 + be,pn %icc, 1f + sub %o4, %g5, %o4 + stx %o1, [%o0] + add %o0, 8, %o0 +1: andcc %o4, 16, %g0 + be,pn %icc, 1f + sub %o2, %o4, %o2 + stx %o1, [%o0] + stx %o1, [%o0 + 8] + add %o0, 16, %o0 +1: andcc %o4, 32, %g0 + be,pn %icc, 7f + andncc %o2, 0x3f, %o3 + stw %o1, [%o0] + stw %o1, [%o0 + 4] + stw %o1, [%o0 + 8] + stw %o1, [%o0 + 12] + stw %o1, [%o0 + 16] + stw %o1, [%o0 + 20] + stw %o1, [%o0 + 24] + stw %o1, [%o0 + 28] + add %o0, 32, %o0 +7: be,pn %xcc, 9f + nop + ldd [%o0 - 8], %f0 +18: wr %g0, ASI_BLK_P, %asi + membar #StoreStore | #LoadStore + andcc %o3, 0xc0, %g5 + and %o2, 0x3f, %o2 + fmovd %f0, %f2 + fmovd %f0, %f4 + andn %o3, 0xff, %o3 + fmovd %f0, %f6 + cmp %g5, 64 + fmovd %f0, %f8 + fmovd %f0, %f10 + fmovd %f0, %f12 + brz,pn %g5, 10f + fmovd %f0, %f14 + be,pn %icc, 2f + stda %f0, [%o0 + 0x00] %asi + cmp %g5, 128 + be,pn %icc, 2f + stda %f0, [%o0 + 0x40] %asi + stda %f0, [%o0 + 0x80] %asi +2: brz,pn %o3, 12f + add %o0, %g5, %o0 +10: stda %f0, [%o0 + 0x00] %asi + stda %f0, [%o0 + 0x40] %asi + stda %f0, [%o0 + 0x80] %asi + stda %f0, [%o0 + 0xc0] %asi +11: subcc %o3, 256, %o3 + bne,pt %xcc, 10b + add %o0, 256, %o0 +12: wr %g0, FPRS_FEF, %fprs + membar #StoreLoad | #StoreStore +9: andcc %o2, 0x78, %g5 + be,pn %xcc, 13f + andcc %o2, 7, %o2 +14: rd %pc, %o4 + srl %g5, 1, %o3 + sub %o4, %o3, %o4 + jmpl %o4 + (13f - 14b), %g0 + add %o0, %g5, %o0 +12: SET_BLOCKS (%o0, 0x68, %o1) + SET_BLOCKS (%o0, 0x48, %o1) + SET_BLOCKS (%o0, 0x28, %o1) + SET_BLOCKS (%o0, 0x08, %o1) +13: be,pn %xcc, 8f + andcc %o2, 4, %g0 + be,pn %xcc, 1f + andcc %o2, 2, %g0 + stw %o1, [%o0] + add %o0, 4, %o0 +1: be,pn %xcc, 1f + andcc %o2, 1, %g0 + sth %o1, [%o0] + add %o0, 2, %o0 +1: bne,a,pn %xcc, 8f + stb %o1, [%o0] +8: retl + mov %o5, %o0 +17: brz,pn %o2, 0f +8: add %o0, 1, %o0 + subcc %o2, 1, %o2 + bne,pt %xcc, 8b + stb %o1, [%o0 - 1] +0: retl + mov %o5, %o0 + +6: stx %o1, [%o0] + andncc %o2, 0x3f, %o3 + be,pn %xcc, 9b + nop + ba,pt %xcc, 18b + ldd [%o0], %f0 +END(memset) + +#define ZERO_BLOCKS(base, offset, source) \ + stx source, [base - offset - 0x38]; \ + stx source, [base - offset - 0x30]; \ + stx source, [base - offset - 0x28]; \ + stx source, [base - offset - 0x20]; \ + stx source, [base - offset - 0x18]; \ + stx source, [base - offset - 0x10]; \ + stx source, [base - offset - 0x08]; \ + stx source, [base - offset - 0x00]; + + .text + .align 32 +ENTRY(__bzero) +#ifndef USE_BPR + srl %o1, 0, %o1 +#endif + mov %o0, %o5 +50: cmp %o1, 7 + bleu,pn %xcc, 17f + andcc %o0, 3, %o2 + be,a,pt %xcc, 4f + andcc %o0, 4, %g0 + cmp %o2, 3 + be,pn %xcc, 2f + stb %g0, [%o0 + 0x00] + cmp %o2, 2 + be,pt %xcc, 2f + stb %g0, [%o0 + 0x01] + stb %g0, [%o0 + 0x02] +2: sub %o2, 4, %o2 + sub %o0, %o2, %o0 + add %o1, %o2, %o1 + andcc %o0, 4, %g0 +4: be,pt %xcc, 2f + cmp %o1, 128 + stw %g0, [%o0] + sub %o1, 4, %o1 + add %o0, 4, %o0 +2: blu,pn %xcc, 9f + andcc %o0, 0x38, %o2 + be,pn %icc, 6f + mov 64, %o4 + andcc %o0, 8, %g0 + be,pn %icc, 1f + sub %o4, %o2, %o4 + stx %g0, [%o0] + add %o0, 8, %o0 +1: andcc %o4, 16, %g0 + be,pn %icc, 1f + sub %o1, %o4, %o1 + stx %g0, [%o0] + stx %g0, [%o0 + 8] + add %o0, 16, %o0 +1: andcc %o4, 32, %g0 + be,pn %icc, 7f + andncc %o1, 0x3f, %o3 + stx %g0, [%o0] + stx %g0, [%o0 + 8] + stx %g0, [%o0 + 16] + stx %g0, [%o0 + 24] + add %o0, 32, %o0 +6: andncc %o1, 0x3f, %o3 +7: be,pn %xcc, 9f + wr %g0, ASI_BLK_P, %asi + membar #StoreLoad | #StoreStore | #LoadStore + fzero %f0 + andcc %o3, 0xc0, %o2 + and %o1, 0x3f, %o1 + fzero %f2 + andn %o3, 0xff, %o3 + faddd %f0, %f2, %f4 + fmuld %f0, %f2, %f6 + cmp %o2, 64 + faddd %f0, %f2, %f8 + fmuld %f0, %f2, %f10 + faddd %f0, %f2, %f12 + brz,pn %o2, 10f + fmuld %f0, %f2, %f14 + be,pn %icc, 2f + stda %f0, [%o0 + 0x00] %asi + cmp %o2, 128 + be,pn %icc, 2f + stda %f0, [%o0 + 0x40] %asi + stda %f0, [%o0 + 0x80] %asi +2: brz,pn %o3, 12f + add %o0, %o2, %o0 +10: stda %f0, [%o0 + 0x00] %asi + stda %f0, [%o0 + 0x40] %asi + stda %f0, [%o0 + 0x80] %asi + stda %f0, [%o0 + 0xc0] %asi +11: subcc %o3, 256, %o3 + bne,pt %xcc, 10b + add %o0, 256, %o0 +12: wr %g0, FPRS_FEF, %fprs + membar #StoreLoad | #StoreStore +9: andcc %o1, 0xf8, %o2 + be,pn %xcc, 13f + andcc %o1, 7, %o1 +14: rd %pc, %o4 + srl %o2, 1, %o3 + sub %o4, %o3, %o4 + jmpl %o4 + (13f - 14b), %g0 + add %o0, %o2, %o0 +12: ZERO_BLOCKS (%o0, 0xc8, %g0) + ZERO_BLOCKS (%o0, 0x88, %g0) + ZERO_BLOCKS (%o0, 0x48, %g0) + ZERO_BLOCKS (%o0, 0x08, %g0) +13: be,pn %xcc, 8f + andcc %o1, 4, %g0 + be,pn %xcc, 1f + andcc %o1, 2, %g0 + stw %g0, [%o0] + add %o0, 4, %o0 +1: be,pn %xcc, 1f + andcc %o1, 1, %g0 + sth %g0, [%o0] + add %o0, 2, %o0 +1: bne,a,pn %xcc, 8f + stb %g0, [%o0] +8: retl + mov %o5, %o0 +17: be,pn %xcc, 13b + orcc %o1, 0, %g0 + be,pn %xcc, 0f +8: add %o0, 1, %o0 + subcc %o1, 1, %o1 + bne,pt %xcc, 8b + stb %g0, [%o0 - 1] +0: retl + mov %o5, %o0 +END(__bzero) + +weak_alias (__bzero, bzero) diff --git a/libc/string/sparc/sparc64/sparcv9b/memcpy.S b/libc/string/sparc/sparc64/sparcv9b/memcpy.S new file mode 100644 index 000000000..7f36b7c2c --- /dev/null +++ b/libc/string/sparc/sparc64/sparcv9b/memcpy.S @@ -0,0 +1,606 @@ +/* Copy SIZE bytes from SRC to DEST. + For UltraSPARC-III. + Copyright (C) 2001, 2003 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by David S. Miller (davem@redhat.com) + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#define ASI_BLK_P 0xf0 +#define FPRS_FEF 0x04 +#define VISEntryHalf rd %fprs, %o5; wr %g0, FPRS_FEF, %fprs +#define VISExitHalf and %o5, FPRS_FEF, %o5; wr %o5, 0x0, %fprs + +#ifndef XCC +#define USE_BPR +#define XCC xcc +#endif + + .register %g2,#scratch + .register %g3,#scratch + .register %g6,#scratch + + .text + .align 32 + +ENTRY(bcopy) + sub %o1, %o0, %o4 + mov %o0, %g4 + cmp %o4, %o2 + mov %o1, %o0 + bgeu,pt %XCC, 100f + mov %g4, %o1 +#ifndef USE_BPR + srl %o2, 0, %o2 +#endif + brnz,pn %o2, 220f + add %o0, %o2, %o0 + retl + nop +END(bcopy) + + /* Special/non-trivial issues of this code: + * + * 1) %o5 is preserved from VISEntryHalf to VISExitHalf + * 2) Only low 32 FPU registers are used so that only the + * lower half of the FPU register set is dirtied by this + * code. This is especially important in the kernel. + * 3) This code never prefetches cachelines past the end + * of the source buffer. + * + * The cheetah's flexible spine, oversized liver, enlarged heart, + * slender muscular body, and claws make it the swiftest hunter + * in Africa and the fastest animal on land. Can reach speeds + * of up to 2.4GB per second. + */ + .align 32 +ENTRY(memcpy) + +100: /* %o0=dst, %o1=src, %o2=len */ + mov %o0, %g5 + cmp %o2, 0 + be,pn %XCC, out +218: or %o0, %o1, %o3 + cmp %o2, 16 + bleu,a,pn %XCC, small_copy + or %o3, %o2, %o3 + + cmp %o2, 256 + blu,pt %XCC, medium_copy + andcc %o3, 0x7, %g0 + + ba,pt %xcc, enter + andcc %o0, 0x3f, %g2 + + /* Here len >= 256 and condition codes reflect execution + * of "andcc %o0, 0x7, %g2", done by caller. + */ + .align 64 +enter: + /* Is 'dst' already aligned on an 64-byte boundary? */ + be,pt %XCC, 2f + + /* Compute abs((dst & 0x3f) - 0x40) into %g2. This is the number + * of bytes to copy to make 'dst' 64-byte aligned. We pre- + * subtract this from 'len'. + */ + sub %g2, 0x40, %g2 + sub %g0, %g2, %g2 + sub %o2, %g2, %o2 + + /* Copy %g2 bytes from src to dst, one byte at a time. */ +1: ldub [%o1 + 0x00], %o3 + add %o1, 0x1, %o1 + add %o0, 0x1, %o0 + subcc %g2, 0x1, %g2 + + bg,pt %XCC, 1b + stb %o3, [%o0 + -1] + +2: VISEntryHalf + and %o1, 0x7, %g1 + ba,pt %xcc, begin + alignaddr %o1, %g0, %o1 + + .align 64 +begin: + prefetch [%o1 + 0x000], #one_read + prefetch [%o1 + 0x040], #one_read + andn %o2, (0x40 - 1), %o4 + prefetch [%o1 + 0x080], #one_read + prefetch [%o1 + 0x0c0], #one_read + ldd [%o1 + 0x000], %f0 + prefetch [%o1 + 0x100], #one_read + ldd [%o1 + 0x008], %f2 + prefetch [%o1 + 0x140], #one_read + ldd [%o1 + 0x010], %f4 + prefetch [%o1 + 0x180], #one_read + faligndata %f0, %f2, %f16 + ldd [%o1 + 0x018], %f6 + faligndata %f2, %f4, %f18 + ldd [%o1 + 0x020], %f8 + faligndata %f4, %f6, %f20 + ldd [%o1 + 0x028], %f10 + faligndata %f6, %f8, %f22 + + ldd [%o1 + 0x030], %f12 + faligndata %f8, %f10, %f24 + ldd [%o1 + 0x038], %f14 + faligndata %f10, %f12, %f26 + ldd [%o1 + 0x040], %f0 + + sub %o4, 0x80, %o4 + add %o1, 0x40, %o1 + ba,pt %xcc, loop + srl %o4, 6, %o3 + + .align 64 +loop: + ldd [%o1 + 0x008], %f2 + faligndata %f12, %f14, %f28 + ldd [%o1 + 0x010], %f4 + faligndata %f14, %f0, %f30 + stda %f16, [%o0] ASI_BLK_P + ldd [%o1 + 0x018], %f6 + faligndata %f0, %f2, %f16 + + ldd [%o1 + 0x020], %f8 + faligndata %f2, %f4, %f18 + ldd [%o1 + 0x028], %f10 + faligndata %f4, %f6, %f20 + ldd [%o1 + 0x030], %f12 + faligndata %f6, %f8, %f22 + ldd [%o1 + 0x038], %f14 + faligndata %f8, %f10, %f24 + + ldd [%o1 + 0x040], %f0 + prefetch [%o1 + 0x180], #one_read + faligndata %f10, %f12, %f26 + subcc %o3, 0x01, %o3 + add %o1, 0x40, %o1 + bg,pt %XCC, loop + add %o0, 0x40, %o0 + + /* Finally we copy the last full 64-byte block. */ +loopfini: + ldd [%o1 + 0x008], %f2 + faligndata %f12, %f14, %f28 + ldd [%o1 + 0x010], %f4 + faligndata %f14, %f0, %f30 + stda %f16, [%o0] ASI_BLK_P + ldd [%o1 + 0x018], %f6 + faligndata %f0, %f2, %f16 + ldd [%o1 + 0x020], %f8 + faligndata %f2, %f4, %f18 + ldd [%o1 + 0x028], %f10 + faligndata %f4, %f6, %f20 + ldd [%o1 + 0x030], %f12 + faligndata %f6, %f8, %f22 + ldd [%o1 + 0x038], %f14 + faligndata %f8, %f10, %f24 + cmp %g1, 0 + be,pt %XCC, 1f + add %o0, 0x40, %o0 + ldd [%o1 + 0x040], %f0 +1: faligndata %f10, %f12, %f26 + faligndata %f12, %f14, %f28 + faligndata %f14, %f0, %f30 + stda %f16, [%o0] ASI_BLK_P + add %o0, 0x40, %o0 + add %o1, 0x40, %o1 + membar #Sync + + /* Now we copy the (len modulo 64) bytes at the end. + * Note how we borrow the %f0 loaded above. + * + * Also notice how this code is careful not to perform a + * load past the end of the src buffer. + */ +loopend: + and %o2, 0x3f, %o2 + andcc %o2, 0x38, %g2 + be,pn %XCC, endcruft + subcc %g2, 0x8, %g2 + be,pn %XCC, endcruft + cmp %g1, 0 + + be,a,pt %XCC, 1f + ldd [%o1 + 0x00], %f0 + +1: ldd [%o1 + 0x08], %f2 + add %o1, 0x8, %o1 + sub %o2, 0x8, %o2 + subcc %g2, 0x8, %g2 + faligndata %f0, %f2, %f8 + std %f8, [%o0 + 0x00] + be,pn %XCC, endcruft + add %o0, 0x8, %o0 + ldd [%o1 + 0x08], %f0 + add %o1, 0x8, %o1 + sub %o2, 0x8, %o2 + subcc %g2, 0x8, %g2 + faligndata %f2, %f0, %f8 + std %f8, [%o0 + 0x00] + bne,pn %XCC, 1b + add %o0, 0x8, %o0 + + /* If anything is left, we copy it one byte at a time. + * Note that %g1 is (src & 0x3) saved above before the + * alignaddr was performed. + */ +endcruft: + cmp %o2, 0 + add %o1, %g1, %o1 + VISExitHalf + be,pn %XCC, out + sub %o0, %o1, %o3 + + andcc %g1, 0x7, %g0 + bne,pn %icc, small_copy_unaligned + andcc %o2, 0x8, %g0 + be,pt %icc, 1f + nop + ldx [%o1], %o5 + stx %o5, [%o1 + %o3] + add %o1, 0x8, %o1 + +1: andcc %o2, 0x4, %g0 + be,pt %icc, 1f + nop + lduw [%o1], %o5 + stw %o5, [%o1 + %o3] + add %o1, 0x4, %o1 + +1: andcc %o2, 0x2, %g0 + be,pt %icc, 1f + nop + lduh [%o1], %o5 + sth %o5, [%o1 + %o3] + add %o1, 0x2, %o1 + +1: andcc %o2, 0x1, %g0 + be,pt %icc, out + nop + ldub [%o1], %o5 + ba,pt %xcc, out + stb %o5, [%o1 + %o3] + +medium_copy: /* 16 < len <= 64 */ + bne,pn %XCC, small_copy_unaligned + sub %o0, %o1, %o3 + +medium_copy_aligned: + andn %o2, 0x7, %o4 + and %o2, 0x7, %o2 +1: subcc %o4, 0x8, %o4 + ldx [%o1], %o5 + stx %o5, [%o1 + %o3] + bgu,pt %XCC, 1b + add %o1, 0x8, %o1 + andcc %o2, 0x4, %g0 + be,pt %XCC, 1f + nop + sub %o2, 0x4, %o2 + lduw [%o1], %o5 + stw %o5, [%o1 + %o3] + add %o1, 0x4, %o1 +1: cmp %o2, 0 + be,pt %XCC, out + nop + ba,pt %xcc, small_copy_unaligned + nop + +small_copy: /* 0 < len <= 16 */ + andcc %o3, 0x3, %g0 + bne,pn %XCC, small_copy_unaligned + sub %o0, %o1, %o3 + +small_copy_aligned: + subcc %o2, 4, %o2 + lduw [%o1], %g1 + stw %g1, [%o1 + %o3] + bgu,pt %XCC, small_copy_aligned + add %o1, 4, %o1 + +out: retl + mov %g5, %o0 + + .align 32 +small_copy_unaligned: + subcc %o2, 1, %o2 + ldub [%o1], %g1 + stb %g1, [%o1 + %o3] + bgu,pt %XCC, small_copy_unaligned + add %o1, 1, %o1 + retl + mov %g5, %o0 + +END(memcpy) + +#define RMOVE_BIGCHUNK(src, dst, offset, t0, t1, t2, t3) \ + ldx [%src - offset - 0x20], %t0; \ + ldx [%src - offset - 0x18], %t1; \ + ldx [%src - offset - 0x10], %t2; \ + ldx [%src - offset - 0x08], %t3; \ + stw %t0, [%dst - offset - 0x1c]; \ + srlx %t0, 32, %t0; \ + stw %t0, [%dst - offset - 0x20]; \ + stw %t1, [%dst - offset - 0x14]; \ + srlx %t1, 32, %t1; \ + stw %t1, [%dst - offset - 0x18]; \ + stw %t2, [%dst - offset - 0x0c]; \ + srlx %t2, 32, %t2; \ + stw %t2, [%dst - offset - 0x10]; \ + stw %t3, [%dst - offset - 0x04]; \ + srlx %t3, 32, %t3; \ + stw %t3, [%dst - offset - 0x08]; + +#define RMOVE_BIGALIGNCHUNK(src, dst, offset, t0, t1, t2, t3) \ + ldx [%src - offset - 0x20], %t0; \ + ldx [%src - offset - 0x18], %t1; \ + ldx [%src - offset - 0x10], %t2; \ + ldx [%src - offset - 0x08], %t3; \ + stx %t0, [%dst - offset - 0x20]; \ + stx %t1, [%dst - offset - 0x18]; \ + stx %t2, [%dst - offset - 0x10]; \ + stx %t3, [%dst - offset - 0x08]; \ + ldx [%src - offset - 0x40], %t0; \ + ldx [%src - offset - 0x38], %t1; \ + ldx [%src - offset - 0x30], %t2; \ + ldx [%src - offset - 0x28], %t3; \ + stx %t0, [%dst - offset - 0x40]; \ + stx %t1, [%dst - offset - 0x38]; \ + stx %t2, [%dst - offset - 0x30]; \ + stx %t3, [%dst - offset - 0x28]; + +#define RMOVE_LASTCHUNK(src, dst, offset, t0, t1, t2, t3) \ + ldx [%src + offset + 0x00], %t0; \ + ldx [%src + offset + 0x08], %t1; \ + stw %t0, [%dst + offset + 0x04]; \ + srlx %t0, 32, %t2; \ + stw %t2, [%dst + offset + 0x00]; \ + stw %t1, [%dst + offset + 0x0c]; \ + srlx %t1, 32, %t3; \ + stw %t3, [%dst + offset + 0x08]; + +#define RMOVE_LASTALIGNCHUNK(src, dst, offset, t0, t1) \ + ldx [%src + offset + 0x00], %t0; \ + ldx [%src + offset + 0x08], %t1; \ + stx %t0, [%dst + offset + 0x00]; \ + stx %t1, [%dst + offset + 0x08]; + + .align 32 +228: andcc %o2, 1, %g0 /* IEU1 Group */ + be,pt %icc, 2f+4 /* CTI */ +1: ldub [%o1 - 1], %o5 /* LOAD Group */ + sub %o1, 1, %o1 /* IEU0 */ + sub %o0, 1, %o0 /* IEU1 */ + subcc %o2, 1, %o2 /* IEU1 Group */ + be,pn %xcc, 229f /* CTI */ + stb %o5, [%o0] /* Store */ +2: ldub [%o1 - 1], %o5 /* LOAD Group */ + sub %o0, 2, %o0 /* IEU0 */ + ldub [%o1 - 2], %g5 /* LOAD Group */ + sub %o1, 2, %o1 /* IEU0 */ + subcc %o2, 2, %o2 /* IEU1 Group */ + stb %o5, [%o0 + 1] /* Store */ + bne,pt %xcc, 2b /* CTI */ + stb %g5, [%o0] /* Store */ +229: retl + mov %g4, %o0 + + .align 32 +ENTRY(memmove) + mov %o0, %g5 +#ifndef USE_BPR + srl %o2, 0, %o2 /* IEU1 Group */ +#endif + brz,pn %o2, out /* CTI Group */ + sub %o0, %o1, %o4 /* IEU0 */ + cmp %o4, %o2 /* IEU1 Group */ + bgeu,pt %XCC, 218b /* CTI */ + mov %o0, %g4 /* IEU0 */ + add %o0, %o2, %o0 /* IEU0 Group */ +220: add %o1, %o2, %o1 /* IEU1 */ + cmp %o2, 15 /* IEU1 Group */ + bleu,pn %xcc, 228b /* CTI */ + andcc %o0, 7, %g2 /* IEU1 Group */ + sub %o0, %o1, %g5 /* IEU0 */ + andcc %g5, 3, %o5 /* IEU1 Group */ + bne,pn %xcc, 232f /* CTI */ + andcc %o1, 3, %g0 /* IEU1 Group */ + be,a,pt %xcc, 236f /* CTI */ + andcc %o1, 4, %g0 /* IEU1 Group */ + andcc %o1, 1, %g0 /* IEU1 Group */ + be,pn %xcc, 4f /* CTI */ + andcc %o1, 2, %g0 /* IEU1 Group */ + ldub [%o1 - 1], %g2 /* Load Group */ + sub %o1, 1, %o1 /* IEU0 */ + sub %o0, 1, %o0 /* IEU1 */ + sub %o2, 1, %o2 /* IEU0 Group */ + be,pn %xcc, 5f /* CTI Group */ + stb %g2, [%o0] /* Store */ +4: lduh [%o1 - 2], %g2 /* Load Group */ + sub %o1, 2, %o1 /* IEU0 */ + sub %o0, 2, %o0 /* IEU1 */ + sub %o2, 2, %o2 /* IEU0 */ + sth %g2, [%o0] /* Store Group + bubble */ +5: andcc %o1, 4, %g0 /* IEU1 */ +236: be,a,pn %xcc, 2f /* CTI */ + andcc %o2, -128, %g6 /* IEU1 Group */ + lduw [%o1 - 4], %g5 /* Load Group */ + sub %o1, 4, %o1 /* IEU0 */ + sub %o0, 4, %o0 /* IEU1 */ + sub %o2, 4, %o2 /* IEU0 Group */ + stw %g5, [%o0] /* Store */ + andcc %o2, -128, %g6 /* IEU1 Group */ +2: be,pn %xcc, 235f /* CTI */ + andcc %o0, 4, %g0 /* IEU1 Group */ + be,pn %xcc, 282f + 4 /* CTI Group */ +5: RMOVE_BIGCHUNK(o1, o0, 0x00, g1, g3, g5, o5) + RMOVE_BIGCHUNK(o1, o0, 0x20, g1, g3, g5, o5) + RMOVE_BIGCHUNK(o1, o0, 0x40, g1, g3, g5, o5) + RMOVE_BIGCHUNK(o1, o0, 0x60, g1, g3, g5, o5) + subcc %g6, 128, %g6 /* IEU1 Group */ + sub %o1, 128, %o1 /* IEU0 */ + bne,pt %xcc, 5b /* CTI */ + sub %o0, 128, %o0 /* IEU0 Group */ +235: andcc %o2, 0x70, %g6 /* IEU1 Group */ +41: be,pn %xcc, 280f /* CTI */ + andcc %o2, 8, %g0 /* IEU1 Group */ + /* Clk1 8-( */ + /* Clk2 8-( */ + /* Clk3 8-( */ + /* Clk4 8-( */ +279: rd %pc, %o5 /* PDU Group */ + sll %g6, 1, %g5 /* IEU0 Group */ + sub %o1, %g6, %o1 /* IEU1 */ + sub %o5, %g5, %o5 /* IEU0 Group */ + jmpl %o5 + %lo(280f - 279b), %g0 /* CTI Group brk forced*/ + sub %o0, %g6, %o0 /* IEU0 Group */ + RMOVE_LASTCHUNK(o1, o0, 0x60, g2, g3, g5, o5) + RMOVE_LASTCHUNK(o1, o0, 0x50, g2, g3, g5, o5) + RMOVE_LASTCHUNK(o1, o0, 0x40, g2, g3, g5, o5) + RMOVE_LASTCHUNK(o1, o0, 0x30, g2, g3, g5, o5) + RMOVE_LASTCHUNK(o1, o0, 0x20, g2, g3, g5, o5) + RMOVE_LASTCHUNK(o1, o0, 0x10, g2, g3, g5, o5) + RMOVE_LASTCHUNK(o1, o0, 0x00, g2, g3, g5, o5) +280: be,pt %xcc, 281f /* CTI */ + andcc %o2, 4, %g0 /* IEU1 */ + ldx [%o1 - 8], %g2 /* Load Group */ + sub %o0, 8, %o0 /* IEU0 */ + stw %g2, [%o0 + 4] /* Store Group */ + sub %o1, 8, %o1 /* IEU1 */ + srlx %g2, 32, %g2 /* IEU0 Group */ + stw %g2, [%o0] /* Store */ +281: be,pt %xcc, 1f /* CTI */ + andcc %o2, 2, %g0 /* IEU1 Group */ + lduw [%o1 - 4], %g2 /* Load Group */ + sub %o1, 4, %o1 /* IEU0 */ + stw %g2, [%o0 - 4] /* Store Group */ + sub %o0, 4, %o0 /* IEU0 */ +1: be,pt %xcc, 1f /* CTI */ + andcc %o2, 1, %g0 /* IEU1 Group */ + lduh [%o1 - 2], %g2 /* Load Group */ + sub %o1, 2, %o1 /* IEU0 */ + sth %g2, [%o0 - 2] /* Store Group */ + sub %o0, 2, %o0 /* IEU0 */ +1: be,pt %xcc, 211f /* CTI */ + nop /* IEU1 */ + ldub [%o1 - 1], %g2 /* Load Group */ + stb %g2, [%o0 - 1] /* Store Group + bubble */ +211: retl + mov %g4, %o0 + +282: RMOVE_BIGALIGNCHUNK(o1, o0, 0x00, g1, g3, g5, o5) + RMOVE_BIGALIGNCHUNK(o1, o0, 0x40, g1, g3, g5, o5) + subcc %g6, 128, %g6 /* IEU1 Group */ + sub %o1, 128, %o1 /* IEU0 */ + bne,pt %xcc, 282b /* CTI */ + sub %o0, 128, %o0 /* IEU0 Group */ + andcc %o2, 0x70, %g6 /* IEU1 */ + be,pn %xcc, 284f /* CTI */ + andcc %o2, 8, %g0 /* IEU1 Group */ + /* Clk1 8-( */ + /* Clk2 8-( */ + /* Clk3 8-( */ + /* Clk4 8-( */ +283: rd %pc, %o5 /* PDU Group */ + sub %o1, %g6, %o1 /* IEU0 Group */ + sub %o5, %g6, %o5 /* IEU1 */ + jmpl %o5 + %lo(284f - 283b), %g0 /* CTI Group brk forced*/ + sub %o0, %g6, %o0 /* IEU0 Group */ + RMOVE_LASTALIGNCHUNK(o1, o0, 0x60, g2, g3) + RMOVE_LASTALIGNCHUNK(o1, o0, 0x50, g2, g3) + RMOVE_LASTALIGNCHUNK(o1, o0, 0x40, g2, g3) + RMOVE_LASTALIGNCHUNK(o1, o0, 0x30, g2, g3) + RMOVE_LASTALIGNCHUNK(o1, o0, 0x20, g2, g3) + RMOVE_LASTALIGNCHUNK(o1, o0, 0x10, g2, g3) + RMOVE_LASTALIGNCHUNK(o1, o0, 0x00, g2, g3) +284: be,pt %xcc, 285f /* CTI Group */ + andcc %o2, 4, %g0 /* IEU1 */ + ldx [%o1 - 8], %g2 /* Load Group */ + sub %o0, 8, %o0 /* IEU0 */ + sub %o1, 8, %o1 /* IEU0 Group */ + stx %g2, [%o0] /* Store */ +285: be,pt %xcc, 1f /* CTI */ + andcc %o2, 2, %g0 /* IEU1 Group */ + lduw [%o1 - 4], %g2 /* Load Group */ + sub %o0, 4, %o0 /* IEU0 */ + sub %o1, 4, %o1 /* IEU0 Group */ + stw %g2, [%o0] /* Store */ +1: be,pt %xcc, 1f /* CTI */ + andcc %o2, 1, %g0 /* IEU1 Group */ + lduh [%o1 - 2], %g2 /* Load Group */ + sub %o0, 2, %o0 /* IEU0 */ + sub %o1, 2, %o1 /* IEU0 Group */ + sth %g2, [%o0] /* Store */ +1: be,pt %xcc, 1f /* CTI */ + nop /* IEU0 Group */ + ldub [%o1 - 1], %g2 /* Load Group */ + stb %g2, [%o0 - 1] /* Store Group + bubble */ +1: retl + mov %g4, %o0 + +232: brz,pt %g2, 2f /* CTI Group */ + sub %o2, %g2, %o2 /* IEU0 Group */ +1: ldub [%o1 - 1], %g5 /* Load Group */ + sub %o1, 1, %o1 /* IEU0 */ + sub %o0, 1, %o0 /* IEU1 */ + subcc %g2, 1, %g2 /* IEU1 Group */ + bne,pt %xcc, 1b /* CTI */ + stb %g5, [%o0] /* Store */ +2: andn %o2, 7, %g5 /* IEU0 Group */ + and %o2, 7, %o2 /* IEU1 */ + fmovd %f0, %f2 /* FPU */ + alignaddr %o1, %g0, %g1 /* GRU Group */ + ldd [%g1], %f4 /* Load Group */ +1: ldd [%g1 - 8], %f6 /* Load Group */ + sub %g1, 8, %g1 /* IEU0 Group */ + subcc %g5, 8, %g5 /* IEU1 */ + faligndata %f6, %f4, %f0 /* GRU Group */ + std %f0, [%o0 - 8] /* Store */ + sub %o1, 8, %o1 /* IEU0 Group */ + be,pn %xcc, 233f /* CTI */ + sub %o0, 8, %o0 /* IEU1 */ + ldd [%g1 - 8], %f4 /* Load Group */ + sub %g1, 8, %g1 /* IEU0 */ + subcc %g5, 8, %g5 /* IEU1 */ + faligndata %f4, %f6, %f0 /* GRU Group */ + std %f0, [%o0 - 8] /* Store */ + sub %o1, 8, %o1 /* IEU0 */ + bne,pn %xcc, 1b /* CTI Group */ + sub %o0, 8, %o0 /* IEU0 */ +233: brz,pn %o2, 234f /* CTI Group */ + nop /* IEU0 */ +237: ldub [%o1 - 1], %g5 /* LOAD */ + sub %o1, 1, %o1 /* IEU0 */ + sub %o0, 1, %o0 /* IEU1 */ + subcc %o2, 1, %o2 /* IEU1 */ + bne,pt %xcc, 237b /* CTI */ + stb %g5, [%o0] /* Store Group */ +234: wr %g0, FPRS_FEF, %fprs + retl + mov %g4, %o0 +END(memmove) + +#ifdef USE_BPR +weak_alias (memcpy, __align_cpy_1) +weak_alias (memcpy, __align_cpy_2) +weak_alias (memcpy, __align_cpy_4) +weak_alias (memcpy, __align_cpy_8) +weak_alias (memcpy, __align_cpy_16) +#endif diff --git a/libc/string/sparc/sparc64/stpcpy.S b/libc/string/sparc/sparc64/stpcpy.S new file mode 100644 index 000000000..a66f9d152 --- /dev/null +++ b/libc/string/sparc/sparc64/stpcpy.S @@ -0,0 +1,272 @@ +/* Copy SRC to DEST returning the address of the terminating '\0' in DEST. + For SPARC v9. + Copyright (C) 1998, 1999, 2002, 2003, 2004 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Jan Vondrak <jvon4518@ss1000.ms.mff.cuni.cz> and + Jakub Jelinek <jj@ultra.linux.cz>. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <asm/asi.h> +#ifndef XCC + .register %g2, #scratch + .register %g3, #scratch + .register %g6, #scratch +#endif + + /* Normally, this uses + ((xword - 0x0101010101010101) & 0x8080808080808080) test + to find out if any byte in xword could be zero. This is fast, but + also gives false alarm for any byte in range 0x81-0xff. It does + not matter for correctness, as if this test tells us there could + be some zero byte, we check it byte by byte, but if bytes with + high bits set are common in the strings, then this will give poor + performance. You can #define EIGHTBIT_NOT_RARE and the algorithm + will use one tick slower, but more precise test + ((xword - 0x0101010101010101) & (~xword) & 0x8080808080808080), + which does not give any false alarms (but if some bits are set, + one cannot assume from it which bytes are zero and which are not). + It is yet to be measured, what is the correct default for glibc + in these days for an average user. + */ + + .text + .align 32 +ENTRY(__stpcpy) + sethi %hi(0x01010101), %g1 /* IEU0 Group */ + or %g1, %lo(0x01010101), %g1 /* IEU0 Group */ + andcc %o0, 7, %g0 /* IEU1 */ + sllx %g1, 32, %g2 /* IEU0 Group */ + + bne,pn %icc, 12f /* CTI */ + andcc %o1, 7, %g3 /* IEU1 */ + or %g1, %g2, %g1 /* IEU0 Group */ + bne,pn %icc, 14f /* CTI */ + + sllx %g1, 7, %g2 /* IEU0 Group */ +1: ldx [%o1], %o3 /* Load */ + add %o1, 8, %o1 /* IEU1 */ +2: mov %o3, %g3 /* IEU0 Group */ + + sub %o3, %g1, %o2 /* IEU1 */ +3: ldxa [%o1] ASI_PNF, %o3 /* Load */ +#ifdef EIGHTBIT_NOT_RARE + andn %o2, %g3, %o2 /* IEU0 Group */ +#endif + add %o0, 8, %o0 /* IEU0 Group */ + andcc %o2, %g2, %g0 /* IEU1 */ + + add %o1, 8, %o1 /* IEU0 Group */ + be,a,pt %xcc, 2b /* CTI */ + stx %g3, [%o0 - 8] /* Store */ + srlx %g3, 56, %g5 /* IEU0 Group */ + + andcc %g5, 0xff, %g0 /* IEU1 Group */ + be,pn %icc, 11f /* CTI */ + srlx %g3, 48, %g4 /* IEU0 */ + andcc %g4, 0xff, %g0 /* IEU1 Group */ + + be,pn %icc, 10f /* CTI */ + srlx %g3, 40, %g5 /* IEU0 */ + andcc %g5, 0xff, %g0 /* IEU1 Group */ + be,pn %icc, 9f /* CTI */ + + srlx %g3, 32, %g4 /* IEU0 */ + andcc %g4, 0xff, %g0 /* IEU1 Group */ + be,pn %icc, 8f /* CTI */ + srlx %g3, 24, %g5 /* IEU0 */ + + andcc %g5, 0xff, %g0 /* IEU1 Group */ + be,pn %icc, 7f /* CTI */ + srlx %g3, 16, %g4 /* IEU0 */ + andcc %g4, 0xff, %g0 /* IEU1 Group */ + + be,pn %icc, 6f /* CTI */ + srlx %g3, 8, %g5 /* IEU0 */ + andcc %g5, 0xff, %g0 /* IEU1 Group */ + be,pn %icc, 5f /* CTI */ + + sub %o3, %g1, %o2 /* IEU0 */ + stx %g3, [%o0 - 8] /* Store Group */ + andcc %g3, 0xff, %g0 /* IEU1 */ + bne,pt %icc, 3b /* CTI */ + + mov %o3, %g3 /* IEU0 Group */ +4: retl /* CTI+IEU1 Group */ + sub %o0, 1, %o0 /* IEU0 */ + + .align 16 +6: ba,pt %xcc, 23f /* CTI Group */ + sub %o0, 3, %g6 /* IEU0 */ +5: sub %o0, 2, %g6 /* IEU0 Group */ + stb %g5, [%o0 - 2] /* Store */ + + srlx %g3, 16, %g4 /* IEU0 Group */ +23: sth %g4, [%o0 - 4] /* Store */ + srlx %g3, 32, %g4 /* IEU0 Group */ + stw %g4, [%o0 - 8] /* Store */ + + retl /* CTI+IEU1 Group */ + mov %g6, %o0 /* IEU0 */ +8: ba,pt %xcc, 24f /* CTI Group */ + sub %o0, 5, %g6 /* IEU0 */ + +7: sub %o0, 4, %g6 /* IEU0 Group */ + stb %g5, [%o0 - 4] /* Store */ + srlx %g3, 32, %g4 /* IEU0 Group */ +24: stw %g4, [%o0 - 8] /* Store */ + + retl /* CTI+IEU1 Group */ + mov %g6, %o0 /* IEU0 */ +10: ba,pt %xcc, 25f /* CTI Group */ + sub %o0, 7, %g6 /* IEU0 */ + +9: sub %o0, 6, %g6 /* IEU0 Group */ + stb %g5, [%o0 - 6] /* Store */ + srlx %g3, 48, %g4 /* IEU0 */ +25: sth %g4, [%o0 - 8] /* Store Group */ + + retl /* CTI+IEU1 Group */ + mov %g6, %o0 /* IEU0 */ +11: stb %g5, [%o0 - 8] /* Store Group */ + retl /* CTI+IEU1 Group */ + + sub %o0, 8, %o0 /* IEU0 */ + + .align 16 +12: or %g1, %g2, %g1 /* IEU0 Group */ + ldub [%o1], %o3 /* Load */ + sllx %g1, 7, %g2 /* IEU0 Group */ + stb %o3, [%o0] /* Store Group */ + +13: add %o0, 1, %o0 /* IEU0 */ + add %o1, 1, %o1 /* IEU1 */ + andcc %o3, 0xff, %g0 /* IEU1 Group */ + be,pn %icc, 4b /* CTI */ + + lduba [%o1] ASI_PNF, %o3 /* Load */ + andcc %o0, 7, %g0 /* IEU1 Group */ + bne,a,pt %icc, 13b /* CTI */ + stb %o3, [%o0] /* Store */ + + andcc %o1, 7, %g3 /* IEU1 Group */ + be,a,pt %icc, 1b /* CTI */ + ldx [%o1], %o3 /* Load */ +14: orcc %g0, 64, %g4 /* IEU1 Group */ + + sllx %g3, 3, %g5 /* IEU0 */ + sub %o1, %g3, %o1 /* IEU0 Group */ + sub %g4, %g5, %g4 /* IEU1 */ + /* %g1 = 0101010101010101 * + * %g2 = 8080808080808080 * + * %g3 = source alignment * + * %g5 = number of bits to shift left * + * %g4 = number of bits to shift right */ + ldxa [%o1] ASI_PNF, %o5 /* Load Group */ + + addcc %o1, 8, %o1 /* IEU1 */ +15: sllx %o5, %g5, %o3 /* IEU0 Group */ + ldxa [%o1] ASI_PNF, %o5 /* Load */ + srlx %o5, %g4, %o4 /* IEU0 Group */ + + add %o0, 8, %o0 /* IEU1 */ + or %o3, %o4, %o3 /* IEU0 Group */ + add %o1, 8, %o1 /* IEU1 */ + sub %o3, %g1, %o4 /* IEU0 Group */ + +#ifdef EIGHTBIT_NOT_RARE + andn %o4, %o3, %o4 /* IEU0 Group */ +#endif + andcc %o4, %g2, %g0 /* IEU1 Group */ + be,a,pt %xcc, 15b /* CTI */ + stx %o3, [%o0 - 8] /* Store */ + srlx %o3, 56, %o4 /* IEU0 Group */ + + andcc %o4, 0xff, %g0 /* IEU1 Group */ + be,pn %icc, 22f /* CTI */ + srlx %o3, 48, %o4 /* IEU0 */ + andcc %o4, 0xff, %g0 /* IEU1 Group */ + + be,pn %icc, 21f /* CTI */ + srlx %o3, 40, %o4 /* IEU0 */ + andcc %o4, 0xff, %g0 /* IEU1 Group */ + be,pn %icc, 20f /* CTI */ + + srlx %o3, 32, %o4 /* IEU0 */ + andcc %o4, 0xff, %g0 /* IEU1 Group */ + be,pn %icc, 19f /* CTI */ + srlx %o3, 24, %o4 /* IEU0 */ + + andcc %o4, 0xff, %g0 /* IEU1 Group */ + be,pn %icc, 18f /* CTI */ + srlx %o3, 16, %o4 /* IEU0 */ + andcc %o4, 0xff, %g0 /* IEU1 Group */ + + be,pn %icc, 17f /* CTI */ + srlx %o3, 8, %o4 /* IEU0 */ + andcc %o4, 0xff, %g0 /* IEU1 Group */ + be,pn %icc, 16f /* CTI */ + + andcc %o3, 0xff, %g0 /* IEU1 Group */ + bne,pn %icc, 15b /* CTI */ + stx %o3, [%o0 - 8] /* Store */ + retl /* CTI+IEU1 Group */ + + sub %o0, 1, %o0 /* IEU0 */ + + .align 16 +17: ba,pt %xcc, 26f /* CTI Group */ + subcc %o0, 3, %g6 /* IEU1 */ +18: ba,pt %xcc, 27f /* CTI Group */ + subcc %o0, 4, %g6 /* IEU1 */ + +19: ba,pt %xcc, 28f /* CTI Group */ + subcc %o0, 5, %g6 /* IEU1 */ +16: subcc %o0, 2, %g6 /* IEU1 Group */ + srlx %o3, 8, %o4 /* IEU0 */ + + stb %o4, [%o0 - 2] /* Store */ +26: srlx %o3, 16, %o4 /* IEU0 Group */ + stb %o4, [%o0 - 3] /* Store */ +27: srlx %o3, 24, %o4 /* IEU0 Group */ + + stb %o4, [%o0 - 4] /* Store */ +28: srlx %o3, 32, %o4 /* IEU0 Group */ + stw %o4, [%o0 - 8] /* Store */ + retl /* CTI+IEU1 Group */ + + mov %g6, %o0 /* IEU0 */ + + .align 16 +21: ba,pt %xcc, 29f /* CTI Group */ + subcc %o0, 7, %g6 /* IEU1 */ +22: ba,pt %xcc, 30f /* CTI Group */ + subcc %o0, 8, %g6 /* IEU1 */ + +20: subcc %o0, 6, %g6 /* IEU1 Group */ + srlx %o3, 40, %o4 /* IEU0 */ + stb %o4, [%o0 - 6] /* Store */ +29: srlx %o3, 48, %o4 /* IEU0 Group */ + + stb %o4, [%o0 - 7] /* Store */ +30: srlx %o3, 56, %o4 /* IEU0 Group */ + stb %o4, [%o0 - 8] /* Store */ + retl /* CTI+IEU1 Group */ + + mov %g6, %o0 /* IEU0 */ +END(__stpcpy) + +weak_alias (__stpcpy, stpcpy) diff --git a/libc/string/sparc/sparc64/strcat.S b/libc/string/sparc/sparc64/strcat.S new file mode 100644 index 000000000..21ff119c4 --- /dev/null +++ b/libc/string/sparc/sparc64/strcat.S @@ -0,0 +1,338 @@ +/* strcat (dest, src) -- Append SRC on the end of DEST. + For SPARC v9. + Copyright (C) 1998, 1999, 2003 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Jakub Jelinek <jj@ultra.linux.cz> and + Jan Vondrak <jvon4518@ss1000.ms.mff.cuni.cz>. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <asm/asi.h> +#ifndef XCC +#define XCC xcc +#define USE_BPR + .register %g2, #scratch + .register %g3, #scratch + .register %g6, #scratch +#endif + + /* Normally, this uses + ((xword - 0x0101010101010101) & 0x8080808080808080) test + to find out if any byte in xword could be zero. This is fast, but + also gives false alarm for any byte in range 0x81-0xff. It does + not matter for correctness, as if this test tells us there could + be some zero byte, we check it byte by byte, but if bytes with + high bits set are common in the strings, then this will give poor + performance. You can #define EIGHTBIT_NOT_RARE and the algorithm + will use one tick slower, but more precise test + ((xword - 0x0101010101010101) & (~xword) & 0x8080808080808080), + which does not give any false alarms (but if some bits are set, + one cannot assume from it which bytes are zero and which are not). + It is yet to be measured, what is the correct default for glibc + in these days for an average user. + */ + + .text + .align 32 +ENTRY(strcat) + sethi %hi(0x01010101), %g1 /* IEU0 Group */ + ldub [%o0], %o3 /* Load */ + or %g1, %lo(0x01010101), %g1 /* IEU0 Group */ + mov %o0, %g6 /* IEU1 */ + + sllx %g1, 32, %g2 /* IEU0 Group */ + andcc %o0, 7, %g0 /* IEU1 */ + or %g1, %g2, %g1 /* IEU0 Group */ + bne,pn %icc, 32f /* CTI */ + + sllx %g1, 7, %g2 /* IEU0 Group */ + brz,pn %o3, 30f /* CTI+IEU1 */ + ldx [%o0], %o3 /* Load */ +48: add %o0, 8, %o0 /* IEU0 Group */ + +49: sub %o3, %g1, %o2 /* IEU0 Group */ +#ifdef EIGHTBIT_NOT_RARE + andn %o2, %o3, %g5 /* IEU0 Group */ + ldxa [%o0] ASI_PNF, %o3 /* Load */ + andcc %g5, %g2, %g0 /* IEU1 Group */ +#else + ldxa [%o0] ASI_PNF, %o3 /* Load */ + andcc %o2, %g2, %g0 /* IEU1 Group */ +#endif + be,pt %xcc, 49b /* CTI */ + + add %o0, 8, %o0 /* IEU0 */ + addcc %o2, %g1, %g3 /* IEU1 Group */ + srlx %o2, 32, %o2 /* IEU0 */ +50: andcc %o2, %g2, %g0 /* IEU1 Group */ + + be,pn %xcc, 51f /* CTI */ + srlx %g3, 56, %o2 /* IEU0 */ + andcc %o2, 0xff, %g0 /* IEU1 Group */ + be,pn %icc, 29f /* CTI */ + + srlx %g3, 48, %o2 /* IEU0 */ + andcc %o2, 0xff, %g0 /* IEU1 Group */ + be,pn %icc, 28f /* CTI */ + srlx %g3, 40, %o2 /* IEU0 */ + + andcc %o2, 0xff, %g0 /* IEU1 Group */ + be,pn %icc, 27f /* CTI */ + srlx %g3, 32, %o2 /* IEU0 */ + andcc %o2, 0xff, %g0 /* IEU1 Group */ + + be,pn %icc, 26f /* CTI */ +51: srlx %g3, 24, %o2 /* IEU0 */ + andcc %o2, 0xff, %g0 /* IEU1 Group */ + be,pn %icc, 25f /* CTI */ + + srlx %g3, 16, %o2 /* IEU0 */ + andcc %o2, 0xff, %g0 /* IEU1 Group */ + be,pn %icc, 24f /* CTI */ + srlx %g3, 8, %o2 /* IEU0 */ + + andcc %o2, 0xff, %g0 /* IEU1 Group */ + be,pn %icc, 23f /* CTI */ + sub %o3, %g1, %o2 /* IEU0 */ + andcc %g3, 0xff, %g0 /* IEU1 Group */ + + be,pn %icc, 52f /* CTI */ + ldxa [%o0] ASI_PNF, %o3 /* Load */ + andcc %o2, %g2, %g0 /* IEU1 Group */ + be,pt %xcc, 49b /* CTI */ + + add %o0, 8, %o0 /* IEU0 */ + addcc %o2, %g1, %g3 /* IEU1 Group */ + ba,pt %xcc, 50b /* CTI */ + srlx %o2, 32, %o2 /* IEU0 */ + + .align 16 +52: ba,pt %xcc, 12f /* CTI Group */ + add %o0, -9, %o0 /* IEU0 */ +23: ba,pt %xcc, 12f /* CTI Group */ + add %o0, -10, %o0 /* IEU0 */ + +24: ba,pt %xcc, 12f /* CTI Group */ + add %o0, -11, %o0 /* IEU0 */ +25: ba,pt %xcc, 12f /* CTI Group */ + add %o0, -12, %o0 /* IEU0 */ + +26: ba,pt %xcc, 12f /* CTI Group */ + add %o0, -13, %o0 /* IEU0 */ +27: ba,pt %xcc, 12f /* CTI Group */ + add %o0, -14, %o0 /* IEU0 */ + +28: ba,pt %xcc, 12f /* CTI Group */ + add %o0, -15, %o0 /* IEU0 */ +29: add %o0, -16, %o0 /* IEU0 Group */ +30: andcc %o1, 7, %g3 /* IEU1 */ + +31: bne,pn %icc, 14f /* CTI */ + orcc %g0, 64, %g4 /* IEU1 Group */ +1: ldx [%o1], %o3 /* Load */ + add %o1, 8, %o1 /* IEU1 */ + +2: mov %o3, %g3 /* IEU0 Group */ +3: sub %o3, %g1, %o2 /* IEU1 */ + ldxa [%o1] ASI_PNF, %o3 /* Load */ +#ifdef EIGHTBIT_NOT_RARE + andn %o2, %g3, %o2 /* IEU0 Group */ +#endif + add %o0, 8, %o0 /* IEU0 Group */ + + andcc %o2, %g2, %g0 /* IEU1 */ + add %o1, 8, %o1 /* IEU0 Group */ + be,a,pt %xcc, 2b /* CTI */ + stx %g3, [%o0 - 8] /* Store */ + + srlx %g3, 56, %g5 /* IEU0 Group */ + andcc %g5, 0xff, %g0 /* IEU1 Group */ + be,pn %icc, 11f /* CTI */ + srlx %g3, 48, %g4 /* IEU0 */ + + andcc %g4, 0xff, %g0 /* IEU1 Group */ + be,pn %icc, 10f /* CTI */ + srlx %g3, 40, %g5 /* IEU0 */ + andcc %g5, 0xff, %g0 /* IEU1 Group */ + + be,pn %icc, 9f /* CTI */ + srlx %g3, 32, %g4 /* IEU0 */ + andcc %g4, 0xff, %g0 /* IEU1 Group */ + be,pn %icc, 8f /* CTI */ + + srlx %g3, 24, %g5 /* IEU0 */ + andcc %g5, 0xff, %g0 /* IEU1 Group */ + be,pn %icc, 7f /* CTI */ + srlx %g3, 16, %g4 /* IEU0 */ + + andcc %g4, 0xff, %g0 /* IEU1 Group */ + be,pn %icc, 6f /* CTI */ + srlx %g3, 8, %g5 /* IEU0 */ + andcc %g5, 0xff, %g0 /* IEU1 Group */ + + be,pn %icc, 5f /* CTI */ + sub %o3, %g1, %o2 /* IEU0 */ + stx %g3, [%o0 - 8] /* Store Group */ + andcc %g3, 0xff, %g0 /* IEU1 */ + + bne,pt %icc, 3b /* CTI */ + mov %o3, %g3 /* IEU0 Group */ +4: retl /* CTI+IEU1 Group */ + mov %g6, %o0 /* IEU0 */ + + .align 16 +5: stb %g5, [%o0 - 2] /* Store Group */ + srlx %g3, 16, %g4 /* IEU0 */ +6: sth %g4, [%o0 - 4] /* Store Group */ + srlx %g3, 32, %g4 /* IEU0 */ + + stw %g4, [%o0 - 8] /* Store Group */ + retl /* CTI+IEU1 Group */ + mov %g6, %o0 /* IEU0 */ +7: stb %g5, [%o0 - 4] /* Store Group */ + + srlx %g3, 32, %g4 /* IEU0 */ +8: stw %g4, [%o0 - 8] /* Store Group */ + retl /* CTI+IEU1 Group */ + mov %g6, %o0 /* IEU0 */ + +9: stb %g5, [%o0 - 6] /* Store Group */ + srlx %g3, 48, %g4 /* IEU0 */ +10: sth %g4, [%o0 - 8] /* Store Group */ + retl /* CTI+IEU1 Group */ + + mov %g6, %o0 /* IEU0 */ +11: stb %g5, [%o0 - 8] /* Store Group */ + retl /* CTI+IEU1 Group */ + mov %g6, %o0 /* IEU0 */ + + .align 16 +32: andcc %o0, 7, %g0 /* IEU1 Group */ + be,a,pn %icc, 48b /* CTI */ + ldx [%o0], %o3 /* Load */ + add %o0, 1, %o0 /* IEU0 Group */ + + brnz,a,pt %o3, 32b /* CTI+IEU1 */ + lduba [%o0] ASI_PNF, %o3 /* Load */ + add %o0, -1, %o0 /* IEU0 Group */ + andcc %o0, 7, %g0 /* IEU1 Group */ + + be,a,pn %icc, 31b /* CTI */ + andcc %o1, 7, %g3 /* IEU1 Group */ +12: ldub [%o1], %o3 /* Load */ + stb %o3, [%o0] /* Store Group */ + +13: add %o0, 1, %o0 /* IEU0 */ + add %o1, 1, %o1 /* IEU1 */ + andcc %o3, 0xff, %g0 /* IEU1 Group */ + be,pn %icc, 4b /* CTI */ + + lduba [%o1] ASI_PNF, %o3 /* Load */ + andcc %o0, 7, %g0 /* IEU1 Group */ + bne,a,pt %icc, 13b /* CTI */ + stb %o3, [%o0] /* Store */ + + andcc %o1, 7, %g3 /* IEU1 Group */ + be,a,pt %icc, 1b /* CTI */ + ldx [%o1], %o3 /* Load */ + orcc %g0, 64, %g4 /* IEU1 Group */ + +14: sllx %g3, 3, %g5 /* IEU0 */ + sub %o1, %g3, %o1 /* IEU0 Group */ + sub %g4, %g5, %g4 /* IEU1 */ + /* %g1 = 0101010101010101 * + * %g2 = 8080808080808080 * + * %g3 = source alignment * + * %g5 = number of bits to shift left * + * %g4 = number of bits to shift right */ + ldxa [%o1] ASI_PNF, %o5 /* Load Group */ + + addcc %o1, 8, %o1 /* IEU1 */ +15: sllx %o5, %g5, %o3 /* IEU0 Group */ + ldxa [%o1] ASI_PNF, %o5 /* Load */ + srlx %o5, %g4, %o4 /* IEU0 Group */ + + add %o0, 8, %o0 /* IEU1 */ + or %o3, %o4, %o3 /* IEU0 Group */ + add %o1, 8, %o1 /* IEU1 */ + sub %o3, %g1, %o4 /* IEU0 Group */ + +#ifdef EIGHTBIT_NOT_RARE + andn %o4, %o3, %o4 /* IEU0 Group */ +#endif + andcc %o4, %g2, %g0 /* IEU1 Group */ + be,a,pt %xcc, 15b /* CTI */ + stx %o3, [%o0 - 8] /* Store */ + srlx %o3, 56, %o4 /* IEU0 Group */ + + andcc %o4, 0xff, %g0 /* IEU1 Group */ + be,pn %icc, 22f /* CTI */ + srlx %o3, 48, %o4 /* IEU0 */ + andcc %o4, 0xff, %g0 /* IEU1 Group */ + + be,pn %icc, 21f /* CTI */ + srlx %o3, 40, %o4 /* IEU0 */ + andcc %o4, 0xff, %g0 /* IEU1 Group */ + be,pn %icc, 20f /* CTI */ + + srlx %o3, 32, %o4 /* IEU0 */ + andcc %o4, 0xff, %g0 /* IEU1 Group */ + be,pn %icc, 19f /* CTI */ + srlx %o3, 24, %o4 /* IEU0 */ + + andcc %o4, 0xff, %g0 /* IEU1 Group */ + be,pn %icc, 18f /* CTI */ + srlx %o3, 16, %o4 /* IEU0 */ + andcc %o4, 0xff, %g0 /* IEU1 Group */ + + be,pn %icc, 17f /* CTI */ + srlx %o3, 8, %o4 /* IEU0 */ + andcc %o4, 0xff, %g0 /* IEU1 Group */ + be,pn %icc, 16f /* CTI */ + + andcc %o3, 0xff, %g0 /* IEU1 Group */ + bne,pn %icc, 15b /* CTI */ + stx %o3, [%o0 - 8] /* Store */ + retl /* CTI+IEU1 Group */ + + mov %g6, %o0 /* IEU0 */ + + .align 16 +16: srlx %o3, 8, %o4 /* IEU0 Group */ + stb %o4, [%o0 - 2] /* Store */ +17: srlx %o3, 16, %o4 /* IEU0 Group */ + stb %o4, [%o0 - 3] /* Store */ + +18: srlx %o3, 24, %o4 /* IEU0 Group */ + stb %o4, [%o0 - 4] /* Store */ +19: srlx %o3, 32, %o4 /* IEU0 Group */ + stw %o4, [%o0 - 8] /* Store */ + + retl /* CTI+IEU1 Group */ + mov %g6, %o0 /* IEU0 */ + nop + nop + +20: srlx %o3, 40, %o4 /* IEU0 Group */ + stb %o4, [%o0 - 6] /* Store */ +21: srlx %o3, 48, %o4 /* IEU0 Group */ + stb %o4, [%o0 - 7] /* Store */ + +22: srlx %o3, 56, %o4 /* IEU0 Group */ + stb %o4, [%o0 - 8] /* Store */ + retl /* CTI+IEU1 Group */ + mov %g6, %o0 /* IEU0 */ +END(strcat) diff --git a/libc/string/sparc/sparc64/strchr.S b/libc/string/sparc/sparc64/strchr.S new file mode 100644 index 000000000..784b7fe4d --- /dev/null +++ b/libc/string/sparc/sparc64/strchr.S @@ -0,0 +1,480 @@ +/* strchr (str, ch) -- Return pointer to first occurrence of CH in STR. + For SPARC v9. + Copyright (C) 1998, 1999, 2003 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Jan Vondrak <jvon4518@ss1000.ms.mff.cuni.cz> and + Jakub Jelinek <jj@ultra.linux.cz>. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <asm/asi.h> +#ifndef XCC +#define XCC xcc +#define USE_BPR + .register %g2, #scratch + .register %g3, #scratch + .register %g6, #scratch +#endif + + /* Normally, this uses + ((xword - 0x0101010101010101) & 0x8080808080808080) test + to find out if any byte in xword could be zero. This is fast, but + also gives false alarm for any byte in range 0x81-0xff. It does + not matter for correctness, as if this test tells us there could + be some zero byte, we check it byte by byte, but if bytes with + high bits set are common in the strings, then this will give poor + performance. You can #define EIGHTBIT_NOT_RARE and the algorithm + will use one tick slower, but more precise test + ((xword - 0x0101010101010101) & (~xword) & 0x8080808080808080), + which does not give any false alarms (but if some bits are set, + one cannot assume from it which bytes are zero and which are not). + It is yet to be measured, what is the correct default for glibc + in these days for an average user. + */ + + .text + .align 32 +ENTRY(strchr) + andcc %o1, 0xff, %o1 /* IEU1 Group */ + be,pn %icc, 17f /* CTI */ + sllx %o1, 8, %g3 /* IEU0 Group */ + sethi %hi(0x01010101), %g1 /* IEU1 */ + + or %g3, %o1, %g3 /* IEU0 Group */ + ldub [%o0], %o3 /* Load */ + sllx %g3, 16, %g5 /* IEU0 Group */ + or %g1, %lo(0x01010101), %g1 /* IEU1 */ + + sllx %g1, 32, %g2 /* IEU0 Group */ + brz,pn %o3, 5f /* CTI+IEU1 */ + orcc %g3, %g5, %g3 /* IEU1 Group */ + sllx %g3, 32, %g5 /* IEU0 */ + + cmp %o3, %o1 /* IEU1 Group */ + be,pn %xcc, 14f /* CTI */ + or %g1, %g2, %g1 /* IEU0 */ + andcc %o0, 7, %g0 /* IEU1 Group */ + + bne,a,pn %icc, 15f /* CTI */ + add %o0, 1, %o0 /* IEU0 */ + ldx [%o0], %o3 /* Load Group */ +1: sllx %g1, 7, %g2 /* IEU0 */ + + or %g3, %g5, %g3 /* IEU1 */ + add %o0, 8, %o0 /* IEU0 Group */ + xor %o3, %g3, %o4 /* IEU1 */ + /* %g1 = 0101010101010101 * + * %g2 = 8080088080808080 * + * %g3 = c c c c c c c c * + * %o3 = value * + * %o4 = value XOR c */ +2: sub %o3, %g1, %o2 /* IEU0 Group */ + + sub %o4, %g1, %o5 /* IEU1 */ +#ifdef EIGHTBIT_NOT_RARE + andn %o2, %o3, %g6 /* IEU0 Group */ + andn %o5, %o4, %o5 /* IEU1 */ + ldxa [%o0] ASI_PNF, %o3 /* Load */ + or %o5, %g6, %o5 /* IEU0 Group */ +#else + ldxa [%o0] ASI_PNF, %o3 /* Load */ + or %o5, %o2, %o5 /* IEU0 Group */ +#endif + add %o0, 8, %o0 /* IEU1 */ + + andcc %o5, %g2, %g0 /* IEU1 Group */ + be,a,pt %xcc, 2b /* CTI */ + xor %o3, %g3, %o4 /* IEU0 */ + srlx %o5, 32, %g5 /* IEU0 Group */ + + add %o2, %g1, %o2 /* IEU1 */ +3: andcc %g5, %g2, %g0 /* IEU1 Group */ + be,pn %xcc, 4f /* CTI */ + srlx %o2, 56, %g5 /* IEU0 */ + + andcc %g5, 0xff, %g0 /* IEU1 Group */ + be,pn %icc, 5f /* CTI */ + srlx %o4, 56, %g5 /* IEU0 */ + andcc %g5, 0xff, %g0 /* IEU1 Group */ + + be,pn %icc, 6f /* CTI */ + srlx %o2, 48, %g5 /* IEU0 */ + andcc %g5, 0xff, %g0 /* IEU1 Group */ + be,pn %icc, 5f /* CTI */ + + srlx %o4, 48, %g5 /* IEU0 */ + andcc %g5, 0xff, %g0 /* IEU1 Group */ + be,pn %icc, 7f /* CTI */ + srlx %o2, 40, %g5 /* IEU0 */ + + andcc %g5, 0xff, %g0 /* IEU1 Group */ + be,pn %icc, 5f /* CTI */ + srlx %o4, 40, %g5 /* IEU0 */ + andcc %g5, 0xff, %g0 /* IEU1 Group */ + + be,pn %icc, 8f /* CTI */ + srlx %o2, 32, %g5 /* IEU0 */ + andcc %g5, 0xff, %g0 /* IEU1 Group */ + be,pn %icc, 5f /* CTI */ + + srlx %o4, 32, %g5 /* IEU0 */ + andcc %g5, 0xff, %g0 /* IEU1 Group */ + be,pn %icc, 9f /* CTI */ +4: srlx %o2, 24, %g5 /* IEU0 */ + + andcc %g5, 0xff, %g0 /* IEU1 Group */ + be,pn %icc, 5f /* CTI */ + srlx %o4, 24, %g5 /* IEU0 */ + andcc %g5, 0xff, %g0 /* IEU1 Group */ + + be,pn %icc, 10f /* CTI */ + srlx %o2, 16, %g5 /* IEU0 */ + andcc %g5, 0xff, %g0 /* IEU1 Group */ + be,pn %icc, 5f /* CTI */ + + srlx %o4, 16, %g5 /* IEU0 */ + andcc %g5, 0xff, %g0 /* IEU1 Group */ + be,pn %icc, 11f /* CTI */ + srlx %o2, 8, %g5 /* IEU0 */ + + andcc %g5, 0xff, %g0 /* IEU1 Group */ + be,pn %icc, 5f /* CTI */ + srlx %o4, 8, %g5 /* IEU0 */ + andcc %g5, 0xff, %g0 /* IEU1 Group */ + + be,pn %icc, 12f /* CTI */ + andcc %o2, 0xff, %g0 /* IEU1 Group */ + be,pn %icc, 5f /* CTI */ + sub %o3, %g1, %o2 /* IEU0 */ + + andcc %o4, 0xff, %g0 /* IEU1 Group */ + be,pn %icc, 13f /* CTI */ + xor %o3, %g3, %o4 /* IEU0 */ + ldxa [%o0] ASI_PNF, %o3 /* Load Group */ + + sub %o4, %g1, %o5 /* IEU0 */ + or %o5, %o2, %o5 /* IEU1 */ + add %o0, 8, %o0 /* IEU0 Group */ + andcc %o5, %g2, %g0 /* IEU1 */ + + be,a,pt %xcc, 2b /* CTI */ + xor %o3, %g3, %o4 /* IEU0 Group */ + srlx %o5, 32, %g5 /* IEU0 Group */ + ba,pt %xcc, 3b /* CTI */ + + add %o2, %g1, %o2 /* IEU1 */ + + .align 16 +5: retl /* CTI+IEU1 Group */ + clr %o0 /* IEU0 */ +6: retl /* CTI+IEU1 Group */ + add %o0, -16, %o0 /* IEU0 */ + +7: retl /* CTI+IEU1 Group */ + add %o0, -15, %o0 /* IEU0 */ +8: retl /* CTI+IEU1 Group */ + add %o0, -14, %o0 /* IEU0 */ + +9: retl /* CTI+IEU1 Group */ + add %o0, -13, %o0 /* IEU0 */ +10: retl /* CTI+IEU1 Group */ + add %o0, -12, %o0 /* IEU0 */ + +11: retl /* CTI+IEU1 Group */ + add %o0, -11, %o0 /* IEU0 */ +12: retl /* CTI+IEU1 Group */ + add %o0, -10, %o0 /* IEU0 */ + +13: retl /* CTI+IEU1 Group */ + add %o0, -9, %o0 /* IEU0 */ +14: retl /* CTI+IEU1 Group */ + nop /* IEU0 */ + + .align 16 +15: ldub [%o0], %o3 /* Load Group */ +16: andcc %o0, 7, %g0 /* IEU1 */ + be,a,pn %icc, 1b /* CTI */ + ldx [%o0], %o3 /* Load Group */ + + andcc %o3, 0xff, %g0 /* IEU1 Group */ + be,pn %icc, 5b /* CTI */ + add %o0, 1, %o0 /* IEU0 */ + cmp %o3, %o1 /* IEU1 Group */ + + bne,a,pn %icc, 16b /* CTI */ + ldub [%o0], %o3 /* Load */ + retl /* CTI+IEU1 Group */ + add %o0, -1, %o0 /* IEU0 */ + + /* strchr (str, 0) */ + .align 32 + nop + .align 16 +17: sethi %hi(0x01010101), %g1 /* IEU0 Group */ + ldub [%o0], %o3 /* Load */ + or %g1, %lo(0x01010101), %g1 /* IEU0 Group */ + sllx %g1, 32, %g2 /* IEU0 Group */ + + andcc %o0, 7, %g0 /* IEU1 */ + or %g1, %g2, %g1 /* IEU0 Group */ + bne,pn %icc, 32f /* CTI */ + sllx %g1, 7, %g2 /* IEU0 Group */ + + brz,pn %o3, 30f /* CTI+IEU1 */ + ldx [%o0], %o3 /* Load */ +18: add %o0, 8, %o0 /* IEU0 Group */ +19: sub %o3, %g1, %o2 /* IEU0 Group */ + +#ifdef EIGHTBIT_NOT_RARE + andn %o2, %o3, %g6 /* IEU0 Group */ + ldxa [%o0] ASI_PNF, %o3 /* Load */ + andcc %g6, %g2, %g0 /* IEU1 Group */ +#else + ldxa [%o0] ASI_PNF, %o3 /* Load */ + andcc %o2, %g2, %g0 /* IEU1 Group */ +#endif + be,pt %xcc, 19b /* CTI */ + add %o0, 8, %o0 /* IEU0 */ + + addcc %o2, %g1, %g3 /* IEU1 Group */ + srlx %o2, 32, %o2 /* IEU0 */ +20: andcc %o2, %g2, %g0 /* IEU1 Group */ + be,pn %xcc, 21f /* CTI */ + + srlx %g3, 56, %o2 /* IEU0 */ + andcc %o2, 0xff, %g0 /* IEU1 Group */ + be,pn %icc, 29f /* CTI */ + srlx %g3, 48, %o2 /* IEU0 */ + + andcc %o2, 0xff, %g0 /* IEU1 Group */ + be,pn %icc, 28f /* CTI */ + srlx %g3, 40, %o2 /* IEU0 */ + andcc %o2, 0xff, %g0 /* IEU1 Group */ + + be,pn %icc, 27f /* CTI */ + srlx %g3, 32, %o2 /* IEU0 */ + andcc %o2, 0xff, %g0 /* IEU1 Group */ + be,pn %icc, 26f /* CTI */ + +21: srlx %g3, 24, %o2 /* IEU0 */ + andcc %o2, 0xff, %g0 /* IEU1 Group */ + be,pn %icc, 25f /* CTI */ + srlx %g3, 16, %o2 /* IEU0 */ + + andcc %o2, 0xff, %g0 /* IEU1 Group */ + be,pn %icc, 24f /* CTI */ + srlx %g3, 8, %o2 /* IEU0 */ + andcc %o2, 0xff, %g0 /* IEU1 Group */ + + be,pn %icc, 23f /* CTI */ + sub %o3, %g1, %o2 /* IEU0 */ + andcc %g3, 0xff, %g0 /* IEU1 Group */ + be,pn %icc, 22f /* CTI */ + + ldxa [%o0] ASI_PNF, %o3 /* Load */ + andcc %o2, %g2, %g0 /* IEU1 Group */ + be,pt %xcc, 19b /* CTI */ + add %o0, 8, %o0 /* IEU0 */ + + addcc %o2, %g1, %g3 /* IEU1 Group */ + ba,pt %xcc, 20b /* CTI */ + srlx %o2, 32, %o2 /* IEU0 */ + + .align 16 +22: retl /* CTI+IEU1 Group */ + add %o0, -9, %o0 /* IEU0 */ +23: retl /* CTI+IEU1 Group */ + add %o0, -10, %o0 /* IEU0 */ + +24: retl /* CTI+IEU1 Group */ + add %o0, -11, %o0 /* IEU0 */ +25: retl /* CTI+IEU1 Group */ + add %o0, -12, %o0 /* IEU0 */ + +26: retl /* CTI+IEU1 Group */ + add %o0, -13, %o0 /* IEU0 */ +27: retl /* CTI+IEU1 Group */ + add %o0, -14, %o0 /* IEU0 */ + +28: retl /* CTI+IEU1 Group */ + add %o0, -15, %o0 /* IEU0 */ +29: retl /* CTI+IEU1 Group */ + add %o0, -16, %o0 /* IEU0 */ + +30: retl /* CTI+IEU1 Group */ + nop /* IEU0 */ + + .align 16 +32: andcc %o0, 7, %g0 /* IEU1 Group */ + be,a,pn %icc, 18b /* CTI */ + ldx [%o0], %o3 /* Load */ + add %o0, 1, %o0 /* IEU0 Group */ + + brnz,a,pt %o3, 32b /* CTI+IEU1 */ + lduba [%o0] ASI_PNF, %o3 /* Load */ + retl /* CTI+IEU1 Group */ + add %o0, -1, %o0 /* IEU0 */ +END(strchr) + + .align 32 +ENTRY(strrchr) + andcc %o1, 0xff, %o1 /* IEU1 Group */ + be,pn %icc, 17b /* CTI */ + clr %g4 /* IEU0 */ + andcc %o0, 7, %g0 /* IEU1 Group */ + + bne,pn %icc, 13f /* CTI */ + sllx %o1, 8, %g3 /* IEU0 */ + ldx [%o0], %o3 /* Load Group */ +1: sethi %hi(0x01010101), %g1 /* IEU0 */ + + or %g3, %o1, %g3 /* IEU1 */ + sllx %g3, 16, %g5 /* IEU0 Group */ + or %g1, %lo(0x01010101), %g1 /* IEU1 */ + sllx %g1, 32, %g2 /* IEU0 Group */ + + or %g3, %g5, %g3 /* IEU1 */ + sllx %g3, 32, %g5 /* IEU0 Group */ + or %g1, %g2, %g1 /* IEU1 */ + sllx %g1, 7, %g2 /* IEU0 Group */ + + or %g3, %g5, %g3 /* IEU1 */ + add %o0, 8, %o0 /* IEU0 Group */ + xor %o3, %g3, %o4 /* IEU1 */ + /* %g1 = 0101010101010101 * + * %g2 = 8080088080808080 * + * %g3 = c c c c c c c c * + * %o3 = value * + * %o4 = value XOR c */ +2: sub %o3, %g1, %o2 /* IEU0 Group */ + +3: sub %o4, %g1, %o5 /* IEU1 */ +#ifdef EIGHTBIT_NOT_RARE + andn %o2, %o3, %g6 /* IEU0 Group */ + andn %o5, %o4, %o5 /* IEU1 */ + ldxa [%o0] ASI_PNF, %o3 /* Load */ + + or %o5, %g6, %o5 /* IEU0 Group */ +#else + ldxa [%o0] ASI_PNF, %o3 /* Load */ + + or %o5, %o2, %o5 /* IEU0 Group */ +#endif + add %o0, 8, %o0 /* IEU1 */ + andcc %o5, %g2, %g0 /* IEU1 Group */ + be,a,pt %xcc, 2b /* CTI */ + + xor %o3, %g3, %o4 /* IEU0 */ + srlx %o5, 32, %g5 /* IEU0 Group */ + add %o2, %g1, %o2 /* IEU1 */ + andcc %g5, %g2, %g0 /* IEU1 Group */ + + be,pn %xcc, 7f /* CTI */ + srlx %o2, 56, %g5 /* IEU0 */ + andcc %g5, 0xff, %g0 /* IEU1 Group */ + be,pn %icc, 12f /* CTI */ + + srlx %o4, 56, %g5 /* IEU0 */ + andcc %g5, 0xff, %g0 /* IEU1 Group */ + srlx %o2, 48, %g5 /* IEU0 */ + be,a,pn %icc, 4f /* CTI */ + + add %o0, -16, %g4 /* IEU0 Group */ +4: andcc %g5, 0xff, %g0 /* IEU1 Group */ + be,pn %icc, 12f /* CTI */ + srlx %o4, 48, %g5 /* IEU0 */ + + andcc %g5, 0xff, %g0 /* IEU1 Group */ + srlx %o2, 40, %g5 /* IEU0 */ + be,a,pn %icc, 5f /* CTI */ + add %o0, -15, %g4 /* IEU0 Group */ + +5: andcc %g5, 0xff, %g0 /* IEU1 Group */ + be,pn %icc, 12f /* CTI */ + srlx %o4, 40, %g5 /* IEU0 */ + andcc %g5, 0xff, %g0 /* IEU1 Group */ + + srlx %o2, 32, %g5 /* IEU0 */ + be,a,pn %icc, 6f /* CTI */ + add %o0, -14, %g4 /* IEU0 Group */ +6: andcc %g5, 0xff, %g0 /* IEU1 Group */ + + be,pn %icc, 12f /* CTI */ + srlx %o4, 32, %g5 /* IEU0 */ + andcc %g5, 0xff, %g0 /* IEU1 Group */ + be,a,pn %icc, 7f /* CTI */ + + add %o0, -13, %g4 /* IEU0 */ +7: srlx %o2, 24, %g5 /* IEU0 */ + andcc %g5, 0xff, %g0 /* IEU1 Group */ + be,pn %icc, 12f /* CTI */ + + srlx %o4, 24, %g5 /* IEU0 */ + andcc %g5, 0xff, %g0 /* IEU1 Group */ + srlx %o2, 16, %g5 /* IEU0 */ + be,a,pn %icc, 8f /* CTI */ + + add %o0, -12, %g4 /* IEU0 Group */ +8: andcc %g5, 0xff, %g0 /* IEU1 Group */ + be,pn %icc, 12f /* CTI */ + srlx %o4, 16, %g5 /* IEU0 */ + + andcc %g5, 0xff, %g0 /* IEU1 Group */ + srlx %o2, 8, %g5 /* IEU0 */ + be,a,pn %icc, 9f /* CTI */ + add %o0, -11, %g4 /* IEU0 Group */ + +9: andcc %g5, 0xff, %g0 /* IEU1 Group */ + be,pn %icc, 12f /* CTI */ + srlx %o4, 8, %g5 /* IEU0 */ + andcc %g5, 0xff, %g0 /* IEU1 Group */ + + be,a,pn %icc, 10f /* CTI */ + add %o0, -10, %g4 /* IEU0 */ +10: andcc %o2, 0xff, %g0 /* IEU1 Group */ + be,pn %icc, 12f /* CTI */ + + sub %o3, %g1, %o2 /* IEU0 */ + andcc %o4, 0xff, %g0 /* IEU1 Group */ + be,a,pn %icc, 11f /* CTI */ + add %o0, -9, %g4 /* IEU0 */ + +11: ba,pt %xcc, 3b /* CTI Group */ + xor %o3, %g3, %o4 /* IEU0 Group */ +12: retl /* CTI+IEU1 Group */ + mov %g4, %o0 /* IEU0 */ + + .align 16 +13: ldub [%o0], %o3 /* Load Group */ + add %o0, 1, %o0 /* IEU0 */ +14: andcc %o3, 0xff, %g0 /* IEU1 Group */ + be,pn %icc, 12b /* CTI */ + + cmp %o3, %o1 /* IEU1 Group */ + ldub [%o0], %o3 /* Load */ + be,a,pn %icc, 15f /* CTI */ + add %o0, -1, %g4 /* IEU0 Group */ + +15: andcc %o0, 7, %g0 /* IEU1 Group */ + bne,a,pt %icc, 14b /* CTI */ + add %o0, 1, %o0 /* IEU0 */ + ba,pt %xcc, 1b /* CTI Group */ + + ldx [%o0], %o3 /* Load */ +END(strrchr) + +weak_alias (strchr, index) +weak_alias (strrchr, rindex) diff --git a/libc/string/sparc/sparc64/strcmp.S b/libc/string/sparc/sparc64/strcmp.S new file mode 100644 index 000000000..5866778d3 --- /dev/null +++ b/libc/string/sparc/sparc64/strcmp.S @@ -0,0 +1,278 @@ +/* Compare two strings for differences. + For SPARC v9. + Copyright (C) 1997, 1999, 2003 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Jan Vondrak <jvon4518@ss1000.ms.mff.cuni.cz> and + Jakub Jelinek <jj@ultra.linux.cz>. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <asm/asi.h> +#ifndef XCC + .register %g2, #scratch + .register %g3, #scratch + .register %g6, #scratch +#endif + + /* Normally, this uses + ((xword - 0x0101010101010101) & 0x8080808080808080) test + to find out if any byte in xword could be zero. This is fast, but + also gives false alarm for any byte in range 0x81-0xff. It does + not matter for correctness, as if this test tells us there could + be some zero byte, we check it byte by byte, but if bytes with + high bits set are common in the strings, then this will give poor + performance. You can #define EIGHTBIT_NOT_RARE and the algorithm + will use one tick slower, but more precise test + ((xword - 0x0101010101010101) & (~xword) & 0x8080808080808080), + which does not give any false alarms (but if some bits are set, + one cannot assume from it which bytes are zero and which are not). + It is yet to be measured, what is the correct default for glibc + in these days for an average user. + */ + + .text + .align 32 +ENTRY(strcmp) + sethi %hi(0x01010101), %g1 /* IEU0 Group */ + andcc %o0, 7, %g0 /* IEU1 */ + bne,pn %icc, 7f /* CTI */ + or %g1, %lo(0x01010101), %g1 /* IEU0 Group */ + + andcc %o1, 7, %g3 /* IEU1 */ + bne,pn %icc, 9f /* CTI */ + sllx %g1, 32, %g2 /* IEU0 Group */ + ldx [%o0], %o2 /* Load */ + + or %g1, %g2, %g1 /* IEU0 Group */ +1: ldx [%o1], %o3 /* Load */ + sub %o1, %o0, %o1 /* IEU1 */ + sllx %g1, 7, %g2 /* IEU0 Group */ + +2: add %o0, 8, %o0 /* IEU1 */ + sub %o2, %g1, %g3 /* IEU0 Group */ + subcc %o2, %o3, %g0 /* IEU1 */ + bne,pn %xcc, 13f /* CTI */ + +#ifdef EIGHTBIT_NOT_RARE + andn %g3, %o2, %g4 /* IEU0 Group */ + ldxa [%o0] ASI_PNF, %o2 /* Load */ + andcc %g4, %g2, %g0 /* IEU1 Group */ +#else + ldxa [%o0] ASI_PNF, %o2 /* Load Group */ + andcc %g3, %g2, %g0 /* IEU1 */ +#endif + be,a,pt %xcc, 2b /* CTI */ + ldxa [%o1 + %o0] ASI_PNF, %o3 /* Load Group */ + + addcc %g3, %g1, %o4 /* IEU1 */ + srlx %g3, 32, %g3 /* IEU0 */ + andcc %g3, %g2, %g0 /* IEU1 Group */ + be,pt %xcc, 3f /* CTI */ + + srlx %o4, 56, %o5 /* IEU0 */ + andcc %o5, 0xff, %g0 /* IEU1 Group */ + be,pn %icc, 4f /* CTI */ + srlx %o4, 48, %o5 /* IEU0 */ + + andcc %o5, 0xff, %g0 /* IEU1 Group */ + be,pn %icc, 4f /* CTI */ + srlx %o4, 40, %o5 /* IEU0 */ + andcc %o5, 0xff, %g0 /* IEU1 Group */ + + be,pn %icc, 4f /* CTI */ + srlx %o4, 32, %o5 /* IEU0 */ + andcc %o5, 0xff, %g0 /* IEU1 Group */ + be,pn %icc, 4f /* CTI */ + +3: srlx %o4, 24, %o5 /* IEU0 */ + andcc %o5, 0xff, %g0 /* IEU1 Group */ + be,pn %icc, 4f /* CTI */ + srlx %o4, 16, %o5 /* IEU0 */ + + andcc %o5, 0xff, %g0 /* IEU1 Group */ + be,pn %icc, 4f /* CTI */ + srlx %o4, 8, %o5 /* IEU0 */ + andcc %o5, 0xff, %g0 /* IEU1 Group */ + + be,pn %icc, 4f /* CTI */ + andcc %o4, 0xff, %g0 /* IEU1 Group */ + bne,a,pn %icc, 2b /* CTI */ + ldxa [%o1 + %o0] ASI_PNF, %o3 /* Load */ + +4: retl /* CTI+IEU1 Group */ + clr %o0 /* IEU0 */ + + .align 32 +13: mov 0xff, %g6 /* IEU0 Group */ +#ifdef EIGHTBIT_NOT_RARE + andcc %g4, %g2, %g0 /* IEU1 */ +#else + andcc %g3, %g2, %g0 /* IEU1 */ +#endif + be,pt %xcc, 25f /* CTI */ + addcc %g3, %g1, %o4 /* IEU1 Group */ + + srlx %g3, 32, %g3 /* IEU0 */ + andcc %g3, %g2, %g0 /* IEU1 Group */ + be,pt %xcc, 23f /* CTI */ + sllx %g6, 56, %o5 /* IEU0 */ + + andcc %o4, %o5, %g0 /* IEU1 Group */ + be,pn %xcc, 24f /* CTI */ + sllx %g6, 48, %o5 /* IEU0 */ + andcc %o4, %o5, %g0 /* IEU1 Group */ + + be,pn %xcc, 24f /* CTI */ + sllx %g6, 40, %o5 /* IEU0 */ + andcc %o4, %o5, %g0 /* IEU1 Group */ + be,pn %xcc, 24f /* CTI */ + + sllx %g6, 32, %o5 /* IEU0 */ + andcc %o4, %o5, %g0 /* IEU1 Group */ + be,pn %xcc, 24f /* CTI */ +23: sllx %g6, 24, %o5 /* IEU0 */ + + andcc %o4, %o5, %g0 /* IEU1 Group */ + be,pn %icc, 24f /* CTI */ + sllx %g6, 16, %o5 /* IEU0 */ + andcc %o4, %o5, %g0 /* IEU1 Group */ + + be,pn %icc, 24f /* CTI */ + sllx %g6, 8, %o5 /* IEU0 */ + andcc %o4, %o5, %g0 /* IEU1 Group */ + be,pn %icc, 24f /* CTI */ + + mov %g6, %o5 /* IEU0 */ +25: cmp %o4, %o3 /* IEU1 Group */ +5: mov -1, %o0 /* IEU0 */ + retl /* CTI+IEU1 Group */ + + movgu %xcc, 1, %o0 /* Single Group */ + + .align 16 +24: sub %o5, 1, %g6 /* IEU0 Group */ + clr %o0 /* IEU1 */ + or %o5, %g6, %o5 /* IEU0 Group */ + andn %o4, %o5, %o4 /* IEU0 Group */ + + andn %o3, %o5, %o3 /* IEU1 */ + cmp %o4, %o3 /* IEU1 Group */ + movgu %xcc, 1, %o0 /* Single Group */ + retl /* CTI+IEU1 Group */ + + movlu %xcc, -1, %o0 /* Single Group */ +6: retl /* CTI+IEU1 Group */ + mov %o4, %o0 /* IEU0 */ + + .align 16 +7: ldub [%o0], %o2 /* Load */ + add %o0, 1, %o0 /* IEU1 */ + ldub [%o1], %o3 /* Load Group */ + sllx %g1, 32, %g2 /* IEU0 */ + +8: add %o1, 1, %o1 /* IEU1 */ + subcc %o2, %o3, %o4 /* IEU1 Group */ + bne,pn %xcc, 6b /* CTI */ + lduba [%o0] ASI_PNF, %o2 /* Load */ + + brz,pn %o3, 4b /* CTI+IEU1 Group */ + lduba [%o1] ASI_PNF, %o3 /* Load */ + andcc %o0, 7, %g0 /* IEU1 Group */ + bne,a,pn %icc, 8b /* CTI */ + + add %o0, 1, %o0 /* IEU0 */ + or %g1, %g2, %g1 /* IEU0 Group */ + andcc %o1, 7, %g3 /* IEU1 */ + be,a,pn %icc, 1b /* CTI */ + + ldxa [%o0] ASI_PNF, %o2 /* Load Group */ +9: sllx %g3, 3, %g5 /* IEU0 */ + mov 64, %o5 /* IEU1 */ + sub %o1, %g3, %o1 /* IEU0 Group */ + + sub %o5, %g5, %o5 /* IEU1 */ + ldxa [%o1] ASI_PNF, %g6 /* Load Group */ + or %g1, %g2, %g1 /* IEU0 */ + sub %o1, %o0, %o1 /* IEU1 */ + + sllx %g1, 7, %g2 /* IEU0 Group */ + add %o1, 8, %o1 /* IEU1 */ + /* %g1 = 0101010101010101 + * %g2 = 8080808080800880 + * %g5 = number of bits to shift left + * %o5 = number of bits to shift right */ +10: sllx %g6, %g5, %o3 /* IEU0 Group */ + ldxa [%o1 + %o0] ASI_PNF, %g6 /* Load */ + +11: srlx %g6, %o5, %o4 /* IEU0 Group */ + ldxa [%o0] ASI_PNF, %o2 /* Load */ + or %o3, %o4, %o3 /* IEU1 */ + add %o0, 8, %o0 /* IEU0 Group */ + + subcc %o2, %o3, %g0 /* IEU1 */ +#ifdef EIGHTBIT_NOT_RARE + sub %o2, %g1, %g3 /* IEU0 Group */ + bne,pn %xcc, 13b /* CTI */ + andn %g3, %o2, %g4 /* IEU0 Group */ + + andcc %g4, %g2, %g0 /* IEU1 Group */ + be,pt %xcc, 10b /* CTI */ + srlx %g4, 32, %g4 /* IEU0 */ + andcc %g4, %g2, %g0 /* IEU1 Group */ +#else + bne,pn %xcc, 13b /* CTI */ + sub %o2, %g1, %g3 /* IEU0 Group */ + andcc %g3, %g2, %g0 /* IEU1 Group */ + + be,pt %xcc, 10b /* CTI */ + srlx %g3, 32, %g3 /* IEU0 */ + andcc %g3, %g2, %g0 /* IEU1 Group */ +#endif + be,pt %xcc, 12f /* CTI */ + + srlx %o2, 56, %g3 /* IEU0 */ + andcc %g3, 0xff, %g0 /* IEU1 Group */ + be,pn %icc, 4b /* CTI */ + srlx %o2, 48, %g3 /* IEU0 */ + + andcc %g3, 0xff, %g0 /* IEU1 Group */ + be,pn %icc, 4b /* CTI */ + srlx %o2, 40, %g3 /* IEU0 */ + andcc %g3, 0xff, %g0 /* IEU1 Group */ + + be,pn %icc, 4b /* CTI */ + srlx %o2, 32, %g3 /* IEU0 */ + andcc %g3, 0xff, %g0 /* IEU1 Group */ + be,pn %icc, 4b /* CTI */ + +12: srlx %o2, 24, %g3 /* IEU0 */ + andcc %g3, 0xff, %g0 /* IEU1 Group */ + be,pn %icc, 4b /* CTI */ + srlx %o2, 16, %g3 /* IEU0 */ + + andcc %g3, 0xff, %g0 /* IEU1 Group */ + be,pn %icc, 4b /* CTI */ + srlx %o2, 8, %g3 /* IEU0 */ + andcc %g3, 0xff, %g0 /* IEU1 Group */ + + be,pn %icc, 4b /* CTI */ + andcc %o2, 0xff, %g0 /* IEU1 Group */ + be,pn %icc, 4b /* CTI */ + sllx %g6, %g5, %o3 /* IEU0 */ + + ba,pt %xcc, 11b /* CTI Group */ + ldxa [%o1 + %o0] ASI_PNF, %g6 /* Load */ +END(strcmp) diff --git a/libc/string/sparc/sparc64/strcpy.S b/libc/string/sparc/sparc64/strcpy.S new file mode 100644 index 000000000..aa5d2aee3 --- /dev/null +++ b/libc/string/sparc/sparc64/strcpy.S @@ -0,0 +1,243 @@ +/* Copy SRC to DEST returning DEST. + For SPARC v9. + Copyright (C) 1998, 1999, 2003 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Jan Vondrak <jvon4518@ss1000.ms.mff.cuni.cz> and + Jakub Jelinek <jj@ultra.linux.cz>. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <asm/asi.h> +#ifndef XCC + .register %g2, #scratch + .register %g3, #scratch + .register %g6, #scratch +#endif + + /* Normally, this uses + ((xword - 0x0101010101010101) & 0x8080808080808080) test + to find out if any byte in xword could be zero. This is fast, but + also gives false alarm for any byte in range 0x81-0xff. It does + not matter for correctness, as if this test tells us there could + be some zero byte, we check it byte by byte, but if bytes with + high bits set are common in the strings, then this will give poor + performance. You can #define EIGHTBIT_NOT_RARE and the algorithm + will use one tick slower, but more precise test + ((xword - 0x0101010101010101) & (~xword) & 0x8080808080808080), + which does not give any false alarms (but if some bits are set, + one cannot assume from it which bytes are zero and which are not). + It is yet to be measured, what is the correct default for glibc + in these days for an average user. + */ + + .text + .align 32 +ENTRY(strcpy) + sethi %hi(0x01010101), %g1 /* IEU0 Group */ + mov %o0, %g6 /* IEU1 */ + or %g1, %lo(0x01010101), %g1 /* IEU0 Group */ + andcc %o0, 7, %g0 /* IEU1 */ + + sllx %g1, 32, %g2 /* IEU0 Group */ + bne,pn %icc, 12f /* CTI */ + andcc %o1, 7, %g3 /* IEU1 */ + or %g1, %g2, %g1 /* IEU0 Group */ + + bne,pn %icc, 14f /* CTI */ + sllx %g1, 7, %g2 /* IEU0 Group */ +1: ldx [%o1], %o3 /* Load */ + add %o1, 8, %o1 /* IEU1 */ + +2: mov %o3, %g3 /* IEU0 Group */ +3: sub %o3, %g1, %o2 /* IEU1 */ + ldxa [%o1] ASI_PNF, %o3 /* Load */ +#ifdef EIGHTBIT_NOT_RARE + andn %o2, %g3, %o2 /* IEU0 Group */ +#endif + add %o0, 8, %o0 /* IEU0 Group */ + + andcc %o2, %g2, %g0 /* IEU1 */ + add %o1, 8, %o1 /* IEU0 Group */ + be,a,pt %xcc, 2b /* CTI */ + stx %g3, [%o0 - 8] /* Store */ + + srlx %g3, 56, %g5 /* IEU0 Group */ + andcc %g5, 0xff, %g0 /* IEU1 Group */ + be,pn %icc, 11f /* CTI */ + srlx %g3, 48, %g4 /* IEU0 */ + + andcc %g4, 0xff, %g0 /* IEU1 Group */ + be,pn %icc, 10f /* CTI */ + srlx %g3, 40, %g5 /* IEU0 */ + andcc %g5, 0xff, %g0 /* IEU1 Group */ + + be,pn %icc, 9f /* CTI */ + srlx %g3, 32, %g4 /* IEU0 */ + andcc %g4, 0xff, %g0 /* IEU1 Group */ + be,pn %icc, 8f /* CTI */ + + srlx %g3, 24, %g5 /* IEU0 */ + andcc %g5, 0xff, %g0 /* IEU1 Group */ + be,pn %icc, 7f /* CTI */ + srlx %g3, 16, %g4 /* IEU0 */ + + andcc %g4, 0xff, %g0 /* IEU1 Group */ + be,pn %icc, 6f /* CTI */ + srlx %g3, 8, %g5 /* IEU0 */ + andcc %g5, 0xff, %g0 /* IEU1 Group */ + + be,pn %icc, 5f /* CTI */ + sub %o3, %g1, %o2 /* IEU0 */ + stx %g3, [%o0 - 8] /* Store Group */ + andcc %g3, 0xff, %g0 /* IEU1 */ + + bne,pt %icc, 3b /* CTI */ + mov %o3, %g3 /* IEU0 Group */ +4: retl /* CTI+IEU1 Group */ + mov %g6, %o0 /* IEU0 */ + + .align 16 +5: stb %g5, [%o0 - 2] /* Store Group */ + srlx %g3, 16, %g4 /* IEU0 */ +6: sth %g4, [%o0 - 4] /* Store Group */ + srlx %g3, 32, %g4 /* IEU0 */ + + stw %g4, [%o0 - 8] /* Store Group */ + retl /* CTI+IEU1 Group */ + mov %g6, %o0 /* IEU0 */ +7: stb %g5, [%o0 - 4] /* Store Group */ + + srlx %g3, 32, %g4 /* IEU0 */ +8: stw %g4, [%o0 - 8] /* Store Group */ + retl /* CTI+IEU1 Group */ + mov %g6, %o0 /* IEU0 */ + +9: stb %g5, [%o0 - 6] /* Store Group */ + srlx %g3, 48, %g4 /* IEU0 */ +10: sth %g4, [%o0 - 8] /* Store Group */ + retl /* CTI+IEU1 Group */ + + mov %g6, %o0 /* IEU0 */ +11: stb %g5, [%o0 - 8] /* Store Group */ + retl /* CTI+IEU1 Group */ + mov %g6, %o0 /* IEU0 */ + +12: or %g1, %g2, %g1 /* IEU0 Group */ + ldub [%o1], %o3 /* Load */ + sllx %g1, 7, %g2 /* IEU0 Group */ + stb %o3, [%o0] /* Store Group */ + +13: add %o0, 1, %o0 /* IEU0 */ + add %o1, 1, %o1 /* IEU1 */ + andcc %o3, 0xff, %g0 /* IEU1 Group */ + be,pn %icc, 4b /* CTI */ + + lduba [%o1] ASI_PNF, %o3 /* Load */ + andcc %o0, 7, %g0 /* IEU1 Group */ + bne,a,pt %icc, 13b /* CTI */ + stb %o3, [%o0] /* Store */ + + andcc %o1, 7, %g3 /* IEU1 Group */ + be,a,pt %icc, 1b /* CTI */ + ldx [%o1], %o3 /* Load */ +14: orcc %g0, 64, %g4 /* IEU1 Group */ + + sllx %g3, 3, %g5 /* IEU0 */ + sub %o1, %g3, %o1 /* IEU0 Group */ + sub %g4, %g5, %g4 /* IEU1 */ + /* %g1 = 0101010101010101 * + * %g2 = 8080808080808080 * + * %g3 = source alignment * + * %g5 = number of bits to shift left * + * %g4 = number of bits to shift right */ + ldxa [%o1] ASI_PNF, %o5 /* Load Group */ + + addcc %o1, 8, %o1 /* IEU1 */ +15: sllx %o5, %g5, %o3 /* IEU0 Group */ + ldxa [%o1] ASI_PNF, %o5 /* Load */ + srlx %o5, %g4, %o4 /* IEU0 Group */ + + add %o0, 8, %o0 /* IEU1 */ + or %o3, %o4, %o3 /* IEU0 Group */ + add %o1, 8, %o1 /* IEU1 */ + sub %o3, %g1, %o4 /* IEU0 Group */ + +#ifdef EIGHTBIT_NOT_RARE + andn %o4, %o3, %o4 /* IEU0 Group */ +#endif + andcc %o4, %g2, %g0 /* IEU1 Group */ + be,a,pt %xcc, 15b /* CTI */ + stx %o3, [%o0 - 8] /* Store */ + srlx %o3, 56, %o4 /* IEU0 Group */ + + andcc %o4, 0xff, %g0 /* IEU1 Group */ + be,pn %icc, 22f /* CTI */ + srlx %o3, 48, %o4 /* IEU0 */ + andcc %o4, 0xff, %g0 /* IEU1 Group */ + + be,pn %icc, 21f /* CTI */ + srlx %o3, 40, %o4 /* IEU0 */ + andcc %o4, 0xff, %g0 /* IEU1 Group */ + be,pn %icc, 20f /* CTI */ + + srlx %o3, 32, %o4 /* IEU0 */ + andcc %o4, 0xff, %g0 /* IEU1 Group */ + be,pn %icc, 19f /* CTI */ + srlx %o3, 24, %o4 /* IEU0 */ + + andcc %o4, 0xff, %g0 /* IEU1 Group */ + be,pn %icc, 18f /* CTI */ + srlx %o3, 16, %o4 /* IEU0 */ + andcc %o4, 0xff, %g0 /* IEU1 Group */ + + be,pn %icc, 17f /* CTI */ + srlx %o3, 8, %o4 /* IEU0 */ + andcc %o4, 0xff, %g0 /* IEU1 Group */ + be,pn %icc, 16f /* CTI */ + + andcc %o3, 0xff, %g0 /* IEU1 Group */ + bne,pn %icc, 15b /* CTI */ + stx %o3, [%o0 - 8] /* Store */ + retl /* CTI+IEU1 Group */ + + mov %g6, %o0 /* IEU0 */ + + .align 16 +16: srlx %o3, 8, %o4 /* IEU0 Group */ + stb %o4, [%o0 - 2] /* Store */ +17: srlx %o3, 16, %o4 /* IEU0 Group */ + stb %o4, [%o0 - 3] /* Store */ + +18: srlx %o3, 24, %o4 /* IEU0 Group */ + stb %o4, [%o0 - 4] /* Store */ +19: srlx %o3, 32, %o4 /* IEU0 Group */ + stw %o4, [%o0 - 8] /* Store */ + + retl /* CTI+IEU1 Group */ + mov %g6, %o0 /* IEU0 */ + nop + nop + +20: srlx %o3, 40, %o4 /* IEU0 Group */ + stb %o4, [%o0 - 6] /* Store */ +21: srlx %o3, 48, %o4 /* IEU0 Group */ + stb %o4, [%o0 - 7] /* Store */ + +22: srlx %o3, 56, %o4 /* IEU0 Group */ + stb %o4, [%o0 - 8] /* Store */ + retl /* CTI+IEU1 Group */ + mov %g6, %o0 /* IEU0 */ +END(strcpy) diff --git a/libc/string/sparc/sparc64/strlen.S b/libc/string/sparc/sparc64/strlen.S new file mode 100644 index 000000000..5167ad5ba --- /dev/null +++ b/libc/string/sparc/sparc64/strlen.S @@ -0,0 +1,172 @@ +/* Determine the length of a string. For SPARC v9. + Copyright (C) 1998, 1999, 2003 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Jan Vondrak <jvon4518@ss1000.ms.mff.cuni.cz> and + Jakub Jelinek <jj@ultra.linux.cz>. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <asm/asi.h> + + /* Normally, this uses + ((xword - 0x0101010101010101) & 0x8080808080808080) test + to find out if any byte in xword could be zero. This is fast, but + also gives false alarm for any byte in range 0x81-0xff. It does + not matter for correctness, as if this test tells us there could + be some zero byte, we check it byte by byte, but if bytes with + high bits set are common in the strings, then this will give poor + performance. You can #define EIGHTBIT_NOT_RARE and the algorithm + will use one tick slower, but more precise test + ((xword - 0x0101010101010101) & (~xword) & 0x8080808080808080), + which does not give any false alarms (but if some bits are set, + one cannot assume from it which bytes are zero and which are not). + It is yet to be measured, what is the correct default for glibc + in these days for an average user. + */ + + .text + .align 32 +ENTRY(strlen) + sethi %hi(0x01010101), %g1 /* IEU0 Group */ + ldub [%o0], %o3 /* Load */ + or %g1, %lo(0x01010101), %g1 /* IEU0 Group */ + mov %o0, %o1 /* IEU1 */ + + sllx %g1, 32, %g4 /* IEU0 Group */ + andcc %o0, 7, %g0 /* IEU1 */ + or %g1, %g4, %g1 /* IEU0 Group */ + brz,pn %o3, 13f /* CTI+IEU1 */ + + sllx %g1, 7, %g4 /* IEU0 Group */ + bne,a,pn %icc, 15f /* CTI */ + add %o0, 1, %o0 /* IEU1 */ + /* %g1 = 0x0101010101010101 * + * %g4 = 0x8080808080808080 * + * %o0 = string pointer * + * %o1 = start of string */ +1: ldx [%o0], %o3 /* Load Group */ + + add %o0, 8, %o0 /* IEU1 */ +2: sub %o3, %g1, %o2 /* IEU0 Group */ +#ifdef EIGHTBIT_NOT_RARE + andn %o2, %o3, %o5 /* IEU0 Group */ + ldxa [%o0] ASI_PNF, %o3 /* Load */ + andcc %o5, %g4, %g0 /* IEU1 Group */ +#else + ldxa [%o0] ASI_PNF, %o3 /* Load */ + andcc %o2, %g4, %g0 /* IEU1 Group */ +#endif + + be,pt %xcc, 2b /* CTI */ + add %o0, 8, %o0 /* IEU0 */ + addcc %o2, %g1, %g5 /* IEU1 Group */ +#ifdef EIGHTBIT_NOT_RARE + srlx %o5, 32, %o5 /* IEU0 */ + +3: andcc %o5, %g4, %g0 /* IEU1 Group */ +#else + srlx %o2, 32, %o2 /* IEU0 */ + +3: andcc %o2, %g4, %g0 /* IEU1 Group */ +#endif + be,pn %xcc, 4f /* CTI */ + srlx %g5, 56, %o2 /* IEU0 */ + andcc %o2, 0xff, %g0 /* IEU1 Group */ + + be,pn %icc, 12f /* CTI */ + srlx %g5, 48, %o2 /* IEU0 */ + andcc %o2, 0xff, %g0 /* IEU1 Group */ + be,pn %icc, 11f /* CTI */ + + srlx %g5, 40, %o2 /* IEU0 */ + andcc %o2, 0xff, %g0 /* IEU1 Group */ + be,pn %icc, 10f /* CTI */ + srlx %g5, 32, %o2 /* IEU0 */ + + andcc %o2, 0xff, %g0 /* IEU1 Group */ + be,pn %icc, 9f /* CTI */ +4: srlx %g5, 24, %o2 /* IEU0 */ + andcc %o2, 0xff, %g0 /* IEU1 Group */ + + be,pn %icc, 8f /* CTI */ + srlx %g5, 16, %o2 /* IEU0 */ + andcc %o2, 0xff, %g0 /* IEU1 Group */ + be,pn %icc, 7f /* CTI */ + + srlx %g5, 8, %o2 /* IEU0 */ + andcc %o2, 0xff, %g0 /* IEU1 Group */ + be,pn %icc, 6f /* CTI */ + sub %o3, %g1, %o2 /* IEU0 */ + + andcc %g5, 0xff, %g0 /* IEU1 Group */ + be,pn %icc, 5f /* CTI */ + ldxa [%o0] ASI_PNF, %o3 /* Load */ + andcc %o2, %g4, %g0 /* IEU1 Group */ + + be,pt %xcc, 2b /* CTI */ + add %o0, 8, %o0 /* IEU0 */ + addcc %o2, %g1, %g5 /* IEU1 Group */ + ba,pt %xcc, 3b /* CTI */ + + srlx %o2, 32, %o2 /* IEU0 */ +5: add %o0, -9, %o0 /* IEU0 Group */ + retl /* CTI+IEU1 Group */ + sub %o0, %o1, %o0 /* IEU0 */ + +6: add %o0, -10, %o0 /* IEU0 Group */ + retl /* CTI+IEU1 Group */ + sub %o0, %o1, %o0 /* IEU0 */ +7: add %o0, -11, %o0 /* IEU0 Group */ + + retl /* CTI+IEU1 Group */ + sub %o0, %o1, %o0 /* IEU0 */ +8: add %o0, -12, %o0 /* IEU0 Group */ + retl /* CTI+IEU1 Group */ + + sub %o0, %o1, %o0 /* IEU0 */ +9: add %o0, -13, %o0 /* IEU0 Group */ + retl /* CTI+IEU1 Group */ + sub %o0, %o1, %o0 /* IEU0 */ + +10: add %o0, -14, %o0 /* IEU0 Group */ + retl /* CTI+IEU1 Group */ + sub %o0, %o1, %o0 /* IEU0 */ +11: add %o0, -15, %o0 /* IEU0 Group */ + + retl /* CTI+IEU1 Group */ + sub %o0, %o1, %o0 /* IEU0 */ +12: add %o0, -16, %o0 /* IEU0 Group */ + retl /* CTI+IEU1 Group */ + + sub %o0, %o1, %o0 /* IEU0 */ +13: retl /* CTI+IEU1 Group */ + mov 0, %o0 /* IEU0 */ + nop + +15: ldub [%o0], %o3 /* Load Group */ +16: andcc %o0, 7, %g0 /* IEU1 */ + be,pn %icc, 1b /* CTI */ + nop /* IEU0 Group */ + + add %o0, 1, %o0 /* IEU1 */ + andcc %o3, 0xff, %g0 /* IEU1 Group */ + bne,a,pt %icc, 16b /* CTI */ + lduba [%o0] ASI_PNF, %o3 /* Load */ + + add %o0, -1, %o0 /* IEU0 Group */ + retl /* CTI+IEU1 Group */ + sub %o0, %o1, %o0 /* IEU0 */ +END(strlen) diff --git a/libc/string/sparc/stpcpy.S b/libc/string/sparc/stpcpy.S new file mode 100644 index 000000000..2d27393e6 --- /dev/null +++ b/libc/string/sparc/stpcpy.S @@ -0,0 +1,13 @@ +#include "_glibc_inc.h" + +#if __WORDSIZE == 32 + +# if defined(__CONFIG_SPARC_V9B__) +# include "sparc32/sparcv9b/stpcpy.S" +# else +# include "sparc32/stpcpy.S" +# endif + +#else +# include "sparc64/stpcpy.S" +#endif diff --git a/libc/string/sparc/strcat.S b/libc/string/sparc/strcat.S new file mode 100644 index 000000000..ae18e4e91 --- /dev/null +++ b/libc/string/sparc/strcat.S @@ -0,0 +1,13 @@ +#include "_glibc_inc.h" + +#if __WORDSIZE == 32 + +# if defined(__CONFIG_SPARC_V9B__) +# include "sparc32/sparcv9b/strcat.S" +# else +# include "sparc32/strcat.S" +# endif + +#else +# include "sparc64/strcat.S" +#endif diff --git a/libc/string/sparc/strchr.S b/libc/string/sparc/strchr.S new file mode 100644 index 000000000..99b511992 --- /dev/null +++ b/libc/string/sparc/strchr.S @@ -0,0 +1,13 @@ +#include "_glibc_inc.h" + +#if __WORDSIZE == 32 + +# if defined(__CONFIG_SPARC_V9B__) +# include "sparc32/sparcv9b/strchr.S" +# else +# include "sparc32/strchr.S" +# endif + +#else +# include "sparc64/strchr.S" +#endif diff --git a/libc/string/sparc/strcmp.S b/libc/string/sparc/strcmp.S new file mode 100644 index 000000000..f72ee4a14 --- /dev/null +++ b/libc/string/sparc/strcmp.S @@ -0,0 +1,13 @@ +#include "_glibc_inc.h" + +#if __WORDSIZE == 32 + +# if defined(__CONFIG_SPARC_V9B__) +# include "sparc32/sparcv9b/strcmp.S" +# else +# include "sparc32/strcmp.S" +# endif + +#else +# include "sparc64/strcmp.S" +#endif diff --git a/libc/string/sparc/strcpy.S b/libc/string/sparc/strcpy.S new file mode 100644 index 000000000..6dbbf5a34 --- /dev/null +++ b/libc/string/sparc/strcpy.S @@ -0,0 +1,13 @@ +#include "_glibc_inc.h" + +#if __WORDSIZE == 32 + +# if defined(__CONFIG_SPARC_V9B__) +# include "sparc32/sparcv9b/strcpy.S" +# else +# include "sparc32/strcpy.S" +# endif + +#else +# include "sparc64/strcpy.S" +#endif diff --git a/libc/string/sparc/strlen.S b/libc/string/sparc/strlen.S new file mode 100644 index 000000000..0bfa3f58c --- /dev/null +++ b/libc/string/sparc/strlen.S @@ -0,0 +1,13 @@ +#include "_glibc_inc.h" + +#if __WORDSIZE == 32 + +# if defined(__CONFIG_SPARC_V9B__) +# include "sparc32/sparcv9b/strlen.S" +# else +# include "sparc32/strlen.S" +# endif + +#else +# include "sparc64/strlen.S" +#endif diff --git a/libc/string/sparc/strrchr.c b/libc/string/sparc/strrchr.c new file mode 100644 index 000000000..ec608d6ab --- /dev/null +++ b/libc/string/sparc/strrchr.c @@ -0,0 +1 @@ +/* strrchr is in strchr.S */ |