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Diffstat (limited to 'libc/string/sparc/sparc64/memset.S')
-rw-r--r--libc/string/sparc/sparc64/memset.S316
1 files changed, 0 insertions, 316 deletions
diff --git a/libc/string/sparc/sparc64/memset.S b/libc/string/sparc/sparc64/memset.S
deleted file mode 100644
index f76a637e1..000000000
--- a/libc/string/sparc/sparc64/memset.S
+++ /dev/null
@@ -1,316 +0,0 @@
-/* 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, see
- <http://www.gnu.org/licenses/>. */
-
-#include <features.h>
-#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)
-libc_hidden_def(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
-#ifdef __UCLIBC_SUSV3_LEGACY__
-ENTRY(bzero)
-#ifndef USE_BPR
- srl %o1, 0, %o1
-#endif
- mov %o0, %o5
-#endif
-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
-#ifdef __UCLIBC_SUSV3_LEGACY__
-END(bzero)
-#endif
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-04 21:23:16 +0000