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author | Richard Henderson <rth@redhat.com> | 1999-03-29 13:25:15 +0000 |
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committer | Richard Henderson <rth@redhat.com> | 1999-03-29 13:25:15 +0000 |
commit | ae6b87303186d9c11aaaf87b7a9500262c0f8c5a (patch) | |
tree | d6903bcec84aaf26f4e51de65f48f81f654eaab9 /sysdeps/sparc/sparc64/memset.S | |
parent | b47516084bfba8471da0bdb58641c0d27e6e48b5 (diff) | |
download | glibc-ae6b87303186d9c11aaaf87b7a9500262c0f8c5a.tar.gz glibc-ae6b87303186d9c11aaaf87b7a9500262c0f8c5a.tar.xz glibc-ae6b87303186d9c11aaaf87b7a9500262c0f8c5a.zip |
Sparc string routines from Jakub.
1999-03-29 Jakub Jelinek <jj@ultra.linux.cz> * sysdeps/sparc/sparc32/sparcv8/Makefile: New file. * sysdeps/sparc/sparc32/sparcv8/rem.S: Delay after write %y. * sysdeps/sparc/sparc32/sparcv8/sdiv.S: Likewise. * sysdeps/sparc/sparc32/sparcv8/udiv.S: Likewise. * sysdeps/sparc/sparc32/sparcv8/urem.S: Likewise. * sysdeps/sparc/sparc32/sparcv9/bcopy.c: New file. * sysdeps/sparc/sparc32/sparcv9/bzero.c: New file. * sysdeps/sparc/sparc32/sparcv9/memchr.S: New file. * sysdeps/sparc/sparc32/sparcv9/memcmp.S: New file. * sysdeps/sparc/sparc32/sparcv9/memcpy.S: New file. * sysdeps/sparc/sparc32/sparcv9/memset.S: New file. * sysdeps/sparc/sparc32/sparcv9/stpcpy.S: New file. * sysdeps/sparc/sparc32/sparcv9/strcat.S: New file. * sysdeps/sparc/sparc32/sparcv9/strchr.S: New file. * sysdeps/sparc/sparc32/sparcv9/strcmp.S: New file. * sysdeps/sparc/sparc32/sparcv9/strcpy.S: New file. * sysdeps/sparc/sparc32/sparcv9/strcspn.S: New file. * sysdeps/sparc/sparc32/sparcv9/strlen.S: New file. * sysdeps/sparc/sparc32/sparcv9/strncpy.S: New file. * sysdeps/sparc/sparc32/sparcv9/strpbrk.S: New file. * sysdeps/sparc/sparc32/sparcv9/strrchr.c: New file. * sysdeps/sparc/sparc32/sparcv9/strspn.S: New file. * sysdeps/sparc/sparc32/sparcv9/dotmul.S: New file. * sysdeps/sparc/sparc32/sparcv9/rem.S: New file. * sysdeps/sparc/sparc32/sparcv9/sdiv.S: New file. * sysdeps/sparc/sparc32/sparcv9/udiv.S: New file. * sysdeps/sparc/sparc32/sparcv9/umul.S: New file. * sysdeps/sparc/sparc32/sparcv9/urem.S: New file. * sysdeps/sparc/sparc32/sparcv9/Makefile: New file. * sysdeps/sparc/sparc32/sparcv9/stpncpy.S: New file. * sysdeps/sparc/sparc32/sparcv9/strncmp.S: New file. * sysdeps/sparc/sparc32/bcopy.c: New file. * sysdeps/sparc/sparc32/bzero.c: New file. * sysdeps/sparc/sparc32/memchr.S: New file. * sysdeps/sparc/sparc32/memcpy.S: New file. * sysdeps/sparc/sparc32/memmove.c: New file. * sysdeps/sparc/sparc32/memset.S: New file. * sysdeps/sparc/sparc32/stpcpy.S: New file. * sysdeps/sparc/sparc32/strchr.S: New file. * sysdeps/sparc/sparc32/strrchr.c: New file. * sysdeps/sparc/sparc32/strcpy.S: New file. * sysdeps/sparc/sparc32/strlen.S: New file. * sysdeps/sparc/sparc32/strcat.S: New file. * sysdeps/sparc/sparc32/strcmp.S: New file. * sysdeps/sparc/sparc64/bcopy.c: New file. * sysdeps/sparc/sparc64/bzero.c: New file. * sysdeps/sparc/sparc64/memchr.S: New file. * sysdeps/sparc/sparc64/memcmp.S: New file. * sysdeps/sparc/sparc64/memcpy.S: New file. * sysdeps/sparc/sparc64/memset.S: New file. * sysdeps/sparc/sparc64/stpcpy.S: New file. * sysdeps/sparc/sparc64/strcat.S: New file. * sysdeps/sparc/sparc64/strchr.S: New file. * sysdeps/sparc/sparc64/strcmp.S: New file. * sysdeps/sparc/sparc64/strcpy.S: New file. * sysdeps/sparc/sparc64/strcspn.S: New file. * sysdeps/sparc/sparc64/strlen.S: New file. * sysdeps/sparc/sparc64/strncpy.S: New file. * sysdeps/sparc/sparc64/strpbrk.S: New file. * sysdeps/sparc/sparc64/strrchr.c: New file. * sysdeps/sparc/sparc64/strspn.S: New file. * sysdeps/sparc/sparc64/stpncpy.S: New file. * sysdeps/sparc/sparc64/strncmp.S: New file. * sysdeps/unix/sysv/linux/sparc/sparc32/Makefile (ASFLAGS-.os): Append -fPIC, don't replace. * configure.in: Recognize sparcv8plus / sparcv9.
Diffstat (limited to 'sysdeps/sparc/sparc64/memset.S')
-rw-r--r-- | sysdeps/sparc/sparc64/memset.S | 316 |
1 files changed, 316 insertions, 0 deletions
diff --git a/sysdeps/sparc/sparc64/memset.S b/sysdeps/sparc/sparc64/memset.S new file mode 100644 index 0000000000..8106a5c999 --- /dev/null +++ b/sysdeps/sparc/sparc64/memset.S @@ -0,0 +1,316 @@ +/* Set a block of memory to some byte value. + For UltraSPARC. + Copyright (C) 1996, 97, 98, 99 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 Library General Public License as + published by the Free Software Foundation; either version 2 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#include <sysdep.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) +#ifndef USE_BPR + srl %o1, 0, %o1 + mov %o0, %g3 +#endif + brz,a,pt %o1, 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, %o5 + andcc %o0, 8, %g0 + be,pn %icc, 1f + sub %o5, %g5, %o5 + stx %o1, [%o0] + add %o0, 8, %o0 +1: andcc %o5, 16, %g0 + be,pn %icc, 1f + sub %o2, %o5, %o2 + stx %o1, [%o0] + stx %o1, [%o0 + 8] + add %o0, 16, %o0 +1: andcc %o5, 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 %g3, %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 %g3, %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, %g3 +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, %o5 + andcc %o0, 8, %g0 + be,pn %icc, 1f + sub %o5, %o2, %o5 + stx %g0, [%o0] + add %o0, 8, %o0 +1: andcc %o5, 16, %g0 + be,pn %icc, 1f + sub %o1, %o5, %o1 + stx %g0, [%o0] + stx %g0, [%o0 + 8] + add %o0, 16, %o0 +1: andcc %o5, 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 %g3, %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 %g3, %o0 +END(__bzero) + +weak_alias(__bzero, bzero) |