glibc/sysdeps/sh/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

201 lines
4.0 KiB
ArmAsm

/* Copyright (C) 1999, 2000, 2002, 2003 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Kazumoto Kojima <kkojima@rr.iij4u.or.jp>
Optimized by Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.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 <sysdep.h>
#include <endian.h>
/* void *memcpy(void *dst, const void *src, size_t n);
No overlap between the memory of DST and of SRC are assumed. */
ENTRY(memcpy)
mov r4,r3 /* Save destination. */
/* If less than 11 bytes, just do a byte copy. */
mov #11,r0
cmp/gt r6,r0
bt L_byteloop_init
/* Check if we need to word-align source. */
mov r5,r0
tst #1,r0
bt L_wordalign
mov.b @r0+,r1 /* Copy one byte. */
add #-1,r6
mov.b r1,@r4
add #1,r4
.balignw 4,0x0009
L_wordalign:
/* Check if we need to longword-align source. */
tst #2,r0
bt L_copy
mov.w @r0+,r1 /* Copy one word. */
add #-2,r6
#if __BYTE_ORDER == __BIG_ENDIAN
add #1,r4
mov.b r1,@r4
shlr8 r1
mov.b r1,@-r4
add #2,r4
#else
mov.b r1,@r4
add #1,r4
shlr8 r1
mov.b r1,@r4
add #1,r4
#endif
L_copy:
mov r0,r5
/* Calculate the correct routine to handle the destination
alignment and simultaneously calculate the loop counts for
both the 2 word copy loop and byte copy loop. */
mova L_jumptable,r0
mov r0,r1
mov r4,r0
mov r6,r7
and #3,r0
shlr2 r7
shll r0
shlr r7
mov.w @(r0,r1),r2
mov #7,r0
braf r2
and r0,r6
L_base:
.balign 4
L_jumptable:
.word L_copydest0 - L_base
.word L_copydest1_or_3 - L_base
.word L_copydest2 - L_base
.word L_copydest1_or_3 - L_base
.balign 4
/* Copy routine for (dest mod 4) == 1 or == 3. */
L_copydest1_or_3:
add #-1,r4
.balignw 4,0x0009
L_copydest1_or_3_loop:
mov.l @r5+,r0 /* Read first longword. */
dt r7
mov.l @r5+,r1 /* Read second longword. */
#if __BYTE_ORDER == __BIG_ENDIAN
/* Write first longword as byte, word, byte. */
mov.b r0,@(4,r4)
shlr8 r0
mov.w r0,@(2,r4)
shlr16 r0
mov.b r0,@(1,r4)
mov r1,r0
/* Write second longword as byte, word, byte. */
mov.b r0,@(8,r4)
shlr8 r0
mov.w r0,@(6,r4)
shlr16 r0
mov.b r0,@(5,r4)
#else
/* Write first longword as byte, word, byte. */
mov.b r0,@(1,r4)
shlr8 r0
mov.w r0,@(2,r4)
shlr16 r0
mov.b r0,@(4,r4)
mov r1,r0
/* Write second longword as byte, word, byte. */
mov.b r0,@(5,r4)
shlr8 r0
mov.w r0,@(6,r4)
shlr16 r0
mov.b r0,@(8,r4)
#endif
bf/s L_copydest1_or_3_loop
add #8,r4
bra L_byteloop_init
add #1,r4
.balign 4
/* Copy routine for (dest mod 4) == 2. */
L_copydest2:
L_copydest2_loop:
mov.l @r5+,r0
dt r7
mov.l @r5+,r1
#if __BYTE_ORDER == __BIG_ENDIAN
mov.w r0,@(2,r4)
shlr16 r0
mov.w r0,@r4
mov r1,r0
mov.w r0,@(6,r4)
shlr16 r0
mov.w r0,@(4,r4)
#else
mov.w r0,@r4
shlr16 r0
mov.w r0,@(2,r4)
mov r1,r0
mov.w r0,@(4,r4)
shlr16 r0
mov.w r0,@(6,r4)
#endif
bf/s L_copydest2_loop
add #8,r4
bra L_byteloop_init
nop
.balign 4
/* Copy routine for (dest mod 4) == 0. */
L_copydest0:
add #-8,r4
.balignw 4,0x0009
L_copydest0_loop:
mov.l @r5+,r0
dt r7
mov.l @r5+,r1
add #8,r4
mov.l r0,@r4
bf/s L_copydest0_loop
mov.l r1,@(4,r4)
add #8,r4 /* Fall through. */
L_byteloop_init:
tst r6,r6
bt L_exit
.balignw 4,0x0009
/* Copy remaining bytes. */
L_byteloop:
mov.b @r5+,r0
dt r6
mov.b r0,@r4
bf/s L_byteloop
add #1,r4
L_exit:
rts
mov r3,r0 /* Return destination. */
END(memcpy)
libc_hidden_builtin_def (memcpy)