glibc/sysdeps/x86_64/memcpy.S
Ulrich Drepper 85dd100310 Update.
* sysdeps/i386/fpu/ftestexcept.c: Also check SSE status word.

	* include/signal.h: Use libc_hidden_proto for sigaddset and sigdelset.
	* signal/sigaddset.c: Add libc_hidden_def.
	* signal/sigdelset.c: Likewise.

2003-04-29  Jakub Jelinek  <jakub@redhat.com>

	* sysdeps/i386/i486/string-inlines.c (__memcpy_g, __strchr_g): Move
	to the end of the file.

	* configure.in: Change __oline__ to $LINENO.
	(HAVE_BUILTIN_REDIRECTION): New check.
	* config.h.in (HAVE_BUILTIN_REDIRECTION): Add.
	* include/libc-symbols.h (libc_hidden_builtin_proto,
	libc_hidden_builtin_def, libc_hidden_builtin_weak,
	libc_hidden_builtin_ver): Define.
	* include/string.h (memchr, memcpy, memmove, memset, strcat, strchr,
	strcmp, strcpy, strcspn, strlen, strncmp, strncpy, strpbrk, strrchr,
	strspn, strstr): Add libc_hidden_builtin_proto.
	* intl/plural.y: Include string.h.
	* sysdeps/alpha/alphaev6/memchr.S (memchr): Add
	libc_hidden_builtin_def.
	* sysdeps/alpha/alphaev6/memcpy.S (memcpy): Likewise.
	* sysdeps/alpha/alphaev6/memset.S (memset): Likewise.
	* sysdeps/alpha/alphaev67/strcat.S (strcat): Likewise.
	* sysdeps/alpha/alphaev67/strchr.S (strchr): Likewise.
	* sysdeps/alpha/alphaev67/strlen.S (strlen): Likewise.
	* sysdeps/alpha/alphaev67/strrchr.S (strrchr): Likewise.
	* sysdeps/alpha/memchr.S (memchr): Likewise.
	* sysdeps/alpha/memset.S (memset): Likewise.
	* sysdeps/alpha/strcat.S (strcat): Likewise.
	* sysdeps/alpha/strchr.S (strchr): Likewise.
	* sysdeps/alpha/strcmp.S (strcmp): Likewise.
	* sysdeps/alpha/strcpy.S (strcpy): Likewise.
	* sysdeps/alpha/strlen.S (strlen): Likewise.
	* sysdeps/alpha/strncmp.S (strncmp): Likewise.
	* sysdeps/alpha/strncpy.S (strncpy): Likewise.
	* sysdeps/alpha/strrchr.S (strrchr): Likewise.
	* sysdeps/arm/memset.S (memset): Likewise.
	* sysdeps/arm/strlen.S (strlen): Likewise.
	* sysdeps/generic/memchr.c (memchr): Likewise.
	* sysdeps/generic/memcpy.c (memcpy): Likewise.
	* sysdeps/generic/memmove.c (memmove): Likewise.
	* sysdeps/generic/memset.c (memset): Likewise.
	* sysdeps/generic/strcat.c (strcat): Likewise.
	* sysdeps/generic/strchr.c (strchr): Likewise.
	* sysdeps/generic/strcmp.c (strcmp): Likewise.
	* sysdeps/generic/strcpy.c (strcpy): Likewise.
	* sysdeps/generic/strcspn.c (strcspn): Likewise.
	* sysdeps/generic/strlen.c (strlen): Likewise.
	* sysdeps/generic/strncmp.c (strncmp): Likewise.
	* sysdeps/generic/strncpy.c (strncpy): Likewise.
	* sysdeps/generic/strpbrk.c (strpbrk): Likewise.
	* sysdeps/generic/strrchr.c (strrchr): Likewise.
	* sysdeps/generic/strspn.c (strspn): Likewise.
	* sysdeps/generic/strstr.c (strstr): Likewise.
	* sysdeps/i386/i486/strcat.S (strcat): Likewise.
	* sysdeps/i386/i486/strlen.S (strlen): Likewise.
	* sysdeps/i386/i586/memcpy.S (memcpy): Likewise.
	* sysdeps/i386/i586/memset.S (memset): Likewise.
	* sysdeps/i386/i586/strchr.S (strchr): Likewise.
	* sysdeps/i386/i586/strcpy.S (strcpy): Likewise.
	* sysdeps/i386/i586/strlen.S (strlen): Likewise.
	* sysdeps/i386/i686/memcpy.S (memcpy): Likewise.
	* sysdeps/i386/i686/memmove.S (memmove): Likewise.
	* sysdeps/i386/i686/memset.S (memset): Likewise.
	* sysdeps/i386/i686/strcmp.S (strcmp): Likewise.
	* sysdeps/i386/memchr.S (memchr): Likewise.
	* sysdeps/i386/memset.c (memset): Likewise.
	* sysdeps/i386/strchr.S (strchr): Likewise.
	* sysdeps/i386/strcspn.S (strcspn): Likewise.
	* sysdeps/i386/strlen.c (strlen): Likewise.
	* sysdeps/i386/strpbrk.S (strpbrk): Likewise.
	* sysdeps/i386/strrchr.S (strrchr): Likewise.
	* sysdeps/i386/strspn.S (strspn): Likewise.
	* sysdeps/ia64/memchr.S (memchr): Likewise.
	* sysdeps/ia64/memcpy.S (memcpy): Likewise.
	* sysdeps/ia64/memmove.S (memmove): Likewise.
	* sysdeps/ia64/memset.S (memset): Likewise.
	* sysdeps/ia64/strcat.S (strcat): Likewise.
	* sysdeps/ia64/strchr.S (strchr): Likewise.
	* sysdeps/ia64/strcmp.S (strcmp): Likewise.
	* sysdeps/ia64/strcpy.S (strcpy): Likewise.
	* sysdeps/ia64/strlen.S (strlen): Likewise.
	* sysdeps/ia64/strncmp.S (strncmp): Likewise.
	* sysdeps/ia64/strncpy.S (strncpy): Likewise.
	* sysdeps/m68k/memchr.S (memchr): Likewise.
	* sysdeps/m68k/strchr.S (strchr): Likewise.
	* sysdeps/mips/mips64/memcpy.S (memcpy): Likewise.
	* sysdeps/mips/mips64/memset.S (memset): Likewise.
	* sysdeps/mips/memcpy.S (memcpy): Likewise.
	* sysdeps/mips/memset.S (memset): Likewise.
	* sysdeps/powerpc/powerpc32/memset.S (memset): Likewise.
	* sysdeps/powerpc/powerpc32/strchr.S (strchr): Likewise.
	* sysdeps/powerpc/powerpc32/strcmp.S (strcmp): Likewise.
	* sysdeps/powerpc/powerpc32/strcpy.S (strcpy): Likewise.
	* sysdeps/powerpc/powerpc32/strlen.S (strlen): Likewise.
	* sysdeps/powerpc/powerpc64/memcpy.S (memcpy): Likewise.
	* sysdeps/powerpc/powerpc64/memset.S (memset): Likewise.
	* sysdeps/powerpc/powerpc64/strchr.S (strchr): Likewise.
	* sysdeps/powerpc/powerpc64/strcmp.S (strcmp): Likewise.
	* sysdeps/powerpc/powerpc64/strcpy.S (strcpy): Likewise.
	* sysdeps/powerpc/powerpc64/strlen.S (strlen): Likewise.
	* sysdeps/powerpc/strcat.c (strcat): Likewise.
	* sysdeps/sparc/sparc32/memchr.S (memchr): Likewise.
	* sysdeps/sparc/sparc32/memcpy.S (memcpy): Likewise.
	* sysdeps/sparc/sparc32/memset.S (memset): Likewise.
	* sysdeps/sparc/sparc32/strcat.S (strcat): Likewise.
	* sysdeps/sparc/sparc32/strchr.S (strchr, strrchr): Likewise.
	* sysdeps/sparc/sparc32/strcmp.S (strcmp): Likewise.
	* sysdeps/sparc/sparc32/strcpy.S (strcpy): Likewise.
	* sysdeps/sparc/sparc32/strlen.S (strlen): Likewise.
	* sysdeps/sparc/sparc64/sparcv9b/memcpy.S (memcpy, memmove): Likewise.
	* sysdeps/sparc/sparc64/memchr.S (memchr): Likewise.
	* sysdeps/sparc/sparc64/memcpy.S (memcpy, memmove): Likewise.
	* sysdeps/sparc/sparc64/memset.S (memset): Likewise.
	* sysdeps/sparc/sparc64/strcat.S (strcat): Likewise.
	* sysdeps/sparc/sparc64/strchr.S (strchr, strrchr): Likewise.
	* sysdeps/sparc/sparc64/strcmp.S (strcmp): Likewise.
	* sysdeps/sparc/sparc64/strcpy.S (strcpy): Likewise.
	* sysdeps/sparc/sparc64/strcspn.S (strcspn): Likewise.
	* sysdeps/sparc/sparc64/strlen.S (strlen): Likewise.
	* sysdeps/sparc/sparc64/strncmp.S (strncmp): Likewise.
	* sysdeps/sparc/sparc64/strncpy.S (strncpy): Likewise.
	* sysdeps/sparc/sparc64/strpbrk.S (strpbrk): Likewise.
	* sysdeps/sparc/sparc64/strspn.S (strspn): Likewise.
	* sysdeps/sh/memcpy.S (memcpy): Likewise.
	* sysdeps/sh/memset.S (memset): Likewise.
	* sysdeps/sh/strlen.S (strlen): Likewise.
	* sysdeps/s390/s390-32/memchr.S (memchr): Likewise.
	* sysdeps/s390/s390-32/memcpy.S (memcpy): Likewise.
	* sysdeps/s390/s390-32/memset.S (memset): Likewise.
	* sysdeps/s390/s390-32/strcmp.S (strcmp): Likewise.
	* sysdeps/s390/s390-32/strcpy.S (strcpy): Likewise.
	* sysdeps/s390/s390-32/strncpy.S (strncpy): Likewise.
	* sysdeps/s390/s390-64/memchr.S (memchr): Likewise.
	* sysdeps/s390/s390-64/memcpy.S (memcpy): Likewise.
	* sysdeps/s390/s390-64/memset.S (memset): Likewise.
	* sysdeps/s390/s390-64/strcmp.S (strcmp): Likewise.
	* sysdeps/s390/s390-64/strcpy.S (strcpy): Likewise.
	* sysdeps/s390/s390-64/strncpy.S (strncpy): Likewise.
	* sysdeps/x86_64/memcpy.S (memcpy): Likewise.
	* sysdeps/x86_64/memset.S (memset): Likewise.
	* sysdeps/x86_64/strcat.S (strcat): Likewise.
	* sysdeps/x86_64/strchr.S (strchr): Likewise.
	* sysdeps/x86_64/strcmp.S (strcmp): Likewise.
	* sysdeps/x86_64/strcpy.S (strcpy): Likewise.
	* sysdeps/x86_64/strcspn.S (strcspn): Likewise.
	* sysdeps/x86_64/strlen.S (strlen): Likewise.
	* sysdeps/x86_64/strspn.S (strspn): Likewise.
	* string/string-inlines.c: Move...
	* sysdeps/generic/string-inlines.c: ...here.
	(__memcpy_g, __strchr_g): Remove.
	(__NO_INLINE__): Define before including <string.h>,
	undefine after.  Include bits/string.h and bits/string2.h.
	* sysdeps/i386/i486/string-inlines.c: New file.
	* sysdeps/i386/string-inlines.c: New file.
	* sysdeps/i386/i486/Versions: Remove.
	All GLIBC_2.1.1 symbols moved...
	* sysdeps/i386/Versions (libc): ...here.

2003-04-29  Ulrich Drepper  <drepper@redhat.com>
2003-04-29 22:49:58 +00:00

94 lines
2.3 KiB
ArmAsm

/* Highly optimized version for x86-64.
Copyright (C) 1997, 2000, 2002, 2003 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Based on i586 version contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
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 <sysdep.h>
#include "asm-syntax.h"
#include "bp-sym.h"
#include "bp-asm.h"
/* BEWARE: `#ifdef memcpy' means that memcpy is redefined as `mempcpy',
and the return value is the byte after the last one copied in
the destination. */
#define MEMPCPY_P (defined memcpy)
.text
ENTRY (BP_SYM (memcpy))
/* Cutoff for the big loop is a size of 32 bytes since otherwise
the loop will never be entered. */
cmpq $32, %rdx
movq %rdx, %rcx
#if !MEMPCPY_P
movq %rdi, %r10 /* Save value. */
#endif
/* We need this in any case. */
cld
jbe 1f
/* Align destination. */
movq %rdi, %rax
negq %rax
andq $3, %rax
subq %rax, %rcx
xchgq %rax, %rcx
rep; movsb
movq %rax, %rcx
subq $32, %rcx
js 2f
.p2align 4
3:
/* Now correct the loop counter. Please note that in the following
code the flags are not changed anymore. */
subq $32, %rcx
movq (%rsi), %rax
movq 8(%rsi), %rdx
movq 16(%rsi), %r8
movq 24(%rsi), %r9
movq %rax, (%rdi)
movq %rdx, 8(%rdi)
movq %r8, 16(%rdi)
movq %r9, 24(%rdi)
leaq 32(%rsi), %rsi
leaq 32(%rdi), %rdi
jns 3b
/* Correct extra loop counter modification. */
2: addq $32, %rcx
1: rep; movsb
#if MEMPCPY_P
movq %rdi, %rax /* Set return value. */
#else
movq %r10, %rax /* Set return value. */
#endif
ret
END (BP_SYM (memcpy))
libc_hidden_builtin_def (memcpy)