From d71ff82e7019e91ae9f76af391e7f677d421e205 Mon Sep 17 00:00:00 2001 From: Mike Frysinger Date: Fri, 26 Aug 2005 00:01:54 +0000 Subject: import sparc-optimized string functions from glibc --- libc/string/sparc/sparc64/sparcv9b/memcpy.S | 606 ++++++++++++++++++++++++++++ 1 file changed, 606 insertions(+) create mode 100644 libc/string/sparc/sparc64/sparcv9b/memcpy.S (limited to 'libc/string/sparc/sparc64/sparcv9b') 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 -- cgit v1.2.3