2003-03-21 20:44:24 +01:00
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/* Copyright (C) 2002, 2003 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Hartvig Ekner <hartvige@mips.com>, 2002.
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Ported to mips3 n32/n64 by Alexandre Oliva <aoliva@redhat.com>
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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#include <sysdep.h>
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#include <endian.h>
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#include <sys/asm.h>
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/* void *memset(void *s, int c, size_t n);
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This could probably be optimized further. */
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#if __BYTE_ORDER == __BIG_ENDIAN
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# define SDHI sdl /* high part is left in big-endian */
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#else
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# define SDHI sdr /* high part is right in little-endian */
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#endif
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ENTRY (memset)
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.set noreorder
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* sysdeps/mips/sys/regdef.h (t4,t5,t6,t7): Renamed to t0..t3 on NewABI. (ta0, ta1, ta2, ta3): Defined to t4..t7 on o32, and a4..a7 on NewABI. * sysdeps/mips/mips64/memcpy.S: Adjust register naming conventions. * sysdeps/mips/mips64/memset.S: Likewise. * sysdeps/unix/mips/sysdep.S (__syscall_error) [_LIBC_REENTRANT]: Use t0 instead of t4 as temporary.
2003-04-08 Alexandre Oliva <aoliva@redhat.com>
* sysdeps/mips/sys/regdef.h (t4,t5,t6,t7): Renamed to t0..t3 on
NewABI.
(ta0, ta1, ta2, ta3): Defined to t4..t7 on o32, and a4..a7 on
NewABI.
* sysdeps/mips/mips64/memcpy.S: Adjust register naming
conventions.
* sysdeps/mips/mips64/memset.S: Likewise.
* sysdeps/unix/mips/sysdep.S (__syscall_error) [_LIBC_REENTRANT]:
Use t0 instead of t4 as temporary.
2003-04-09 04:51:04 +02:00
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slti ta1, a2, 16 # Less than 16?
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bne ta1, zero, L(last16)
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2003-03-21 20:44:24 +01:00
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move v0, a0 # Setup exit value before too late
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beq a1, zero, L(ueven) # If zero pattern, no need to extend
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andi a1, 0xff # Avoid problems with bogus arguments
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* sysdeps/mips/sys/regdef.h (t4,t5,t6,t7): Renamed to t0..t3 on NewABI. (ta0, ta1, ta2, ta3): Defined to t4..t7 on o32, and a4..a7 on NewABI. * sysdeps/mips/mips64/memcpy.S: Adjust register naming conventions. * sysdeps/mips/mips64/memset.S: Likewise. * sysdeps/unix/mips/sysdep.S (__syscall_error) [_LIBC_REENTRANT]: Use t0 instead of t4 as temporary.
2003-04-08 Alexandre Oliva <aoliva@redhat.com>
* sysdeps/mips/sys/regdef.h (t4,t5,t6,t7): Renamed to t0..t3 on
NewABI.
(ta0, ta1, ta2, ta3): Defined to t4..t7 on o32, and a4..a7 on
NewABI.
* sysdeps/mips/mips64/memcpy.S: Adjust register naming
conventions.
* sysdeps/mips/mips64/memset.S: Likewise.
* sysdeps/unix/mips/sysdep.S (__syscall_error) [_LIBC_REENTRANT]:
Use t0 instead of t4 as temporary.
2003-04-09 04:51:04 +02:00
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dsll ta0, a1, 8
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or a1, ta0
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dsll ta0, a1, 16
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or a1, ta0 # a1 is now pattern in full word
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dsll ta0, a1, 32
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or a1, ta0 # a1 is now pattern in double word
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2003-03-21 20:44:24 +01:00
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L(ueven):
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* sysdeps/mips/sys/regdef.h (t4,t5,t6,t7): Renamed to t0..t3 on NewABI. (ta0, ta1, ta2, ta3): Defined to t4..t7 on o32, and a4..a7 on NewABI. * sysdeps/mips/mips64/memcpy.S: Adjust register naming conventions. * sysdeps/mips/mips64/memset.S: Likewise. * sysdeps/unix/mips/sysdep.S (__syscall_error) [_LIBC_REENTRANT]: Use t0 instead of t4 as temporary.
2003-04-08 Alexandre Oliva <aoliva@redhat.com>
* sysdeps/mips/sys/regdef.h (t4,t5,t6,t7): Renamed to t0..t3 on
NewABI.
(ta0, ta1, ta2, ta3): Defined to t4..t7 on o32, and a4..a7 on
NewABI.
* sysdeps/mips/mips64/memcpy.S: Adjust register naming
conventions.
* sysdeps/mips/mips64/memset.S: Likewise.
* sysdeps/unix/mips/sysdep.S (__syscall_error) [_LIBC_REENTRANT]:
Use t0 instead of t4 as temporary.
2003-04-09 04:51:04 +02:00
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PTR_SUBU ta0, zero, a0 # Unaligned address?
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andi ta0, 0x7
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beq ta0, zero, L(chkw)
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PTR_SUBU a2, ta0
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2003-03-21 20:44:24 +01:00
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SDHI a1, 0(a0) # Yes, handle first unaligned part
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* sysdeps/mips/sys/regdef.h (t4,t5,t6,t7): Renamed to t0..t3 on NewABI. (ta0, ta1, ta2, ta3): Defined to t4..t7 on o32, and a4..a7 on NewABI. * sysdeps/mips/mips64/memcpy.S: Adjust register naming conventions. * sysdeps/mips/mips64/memset.S: Likewise. * sysdeps/unix/mips/sysdep.S (__syscall_error) [_LIBC_REENTRANT]: Use t0 instead of t4 as temporary.
2003-04-08 Alexandre Oliva <aoliva@redhat.com>
* sysdeps/mips/sys/regdef.h (t4,t5,t6,t7): Renamed to t0..t3 on
NewABI.
(ta0, ta1, ta2, ta3): Defined to t4..t7 on o32, and a4..a7 on
NewABI.
* sysdeps/mips/mips64/memcpy.S: Adjust register naming
conventions.
* sysdeps/mips/mips64/memset.S: Likewise.
* sysdeps/unix/mips/sysdep.S (__syscall_error) [_LIBC_REENTRANT]:
Use t0 instead of t4 as temporary.
2003-04-09 04:51:04 +02:00
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PTR_ADDU a0, ta0 # Now both a0 and a2 are updated
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2003-03-21 20:44:24 +01:00
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L(chkw):
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* sysdeps/mips/sys/regdef.h (t4,t5,t6,t7): Renamed to t0..t3 on NewABI. (ta0, ta1, ta2, ta3): Defined to t4..t7 on o32, and a4..a7 on NewABI. * sysdeps/mips/mips64/memcpy.S: Adjust register naming conventions. * sysdeps/mips/mips64/memset.S: Likewise. * sysdeps/unix/mips/sysdep.S (__syscall_error) [_LIBC_REENTRANT]: Use t0 instead of t4 as temporary.
2003-04-08 Alexandre Oliva <aoliva@redhat.com>
* sysdeps/mips/sys/regdef.h (t4,t5,t6,t7): Renamed to t0..t3 on
NewABI.
(ta0, ta1, ta2, ta3): Defined to t4..t7 on o32, and a4..a7 on
NewABI.
* sysdeps/mips/mips64/memcpy.S: Adjust register naming
conventions.
* sysdeps/mips/mips64/memset.S: Likewise.
* sysdeps/unix/mips/sysdep.S (__syscall_error) [_LIBC_REENTRANT]:
Use t0 instead of t4 as temporary.
2003-04-09 04:51:04 +02:00
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andi ta0, a2, 0xf # Enough left for one loop iteration?
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beq ta0, a2, L(chkl)
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PTR_SUBU a3, a2, ta0
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2003-03-21 20:44:24 +01:00
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PTR_ADDU a3, a0 # a3 is last loop address +1
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* sysdeps/mips/sys/regdef.h (t4,t5,t6,t7): Renamed to t0..t3 on NewABI. (ta0, ta1, ta2, ta3): Defined to t4..t7 on o32, and a4..a7 on NewABI. * sysdeps/mips/mips64/memcpy.S: Adjust register naming conventions. * sysdeps/mips/mips64/memset.S: Likewise. * sysdeps/unix/mips/sysdep.S (__syscall_error) [_LIBC_REENTRANT]: Use t0 instead of t4 as temporary.
2003-04-08 Alexandre Oliva <aoliva@redhat.com>
* sysdeps/mips/sys/regdef.h (t4,t5,t6,t7): Renamed to t0..t3 on
NewABI.
(ta0, ta1, ta2, ta3): Defined to t4..t7 on o32, and a4..a7 on
NewABI.
* sysdeps/mips/mips64/memcpy.S: Adjust register naming
conventions.
* sysdeps/mips/mips64/memset.S: Likewise.
* sysdeps/unix/mips/sysdep.S (__syscall_error) [_LIBC_REENTRANT]:
Use t0 instead of t4 as temporary.
2003-04-09 04:51:04 +02:00
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move a2, ta0 # a2 is now # of bytes left after loop
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2003-03-21 20:44:24 +01:00
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L(loopw):
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2003-03-21 22:39:39 +01:00
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PTR_ADDIU a0, 16 # Handle 2 dwords pr. iteration
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2003-03-21 20:44:24 +01:00
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sd a1, -16(a0)
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bne a0, a3, L(loopw)
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sd a1, -8(a0)
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L(chkl):
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* sysdeps/mips/sys/regdef.h (t4,t5,t6,t7): Renamed to t0..t3 on NewABI. (ta0, ta1, ta2, ta3): Defined to t4..t7 on o32, and a4..a7 on NewABI. * sysdeps/mips/mips64/memcpy.S: Adjust register naming conventions. * sysdeps/mips/mips64/memset.S: Likewise. * sysdeps/unix/mips/sysdep.S (__syscall_error) [_LIBC_REENTRANT]: Use t0 instead of t4 as temporary.
2003-04-08 Alexandre Oliva <aoliva@redhat.com>
* sysdeps/mips/sys/regdef.h (t4,t5,t6,t7): Renamed to t0..t3 on
NewABI.
(ta0, ta1, ta2, ta3): Defined to t4..t7 on o32, and a4..a7 on
NewABI.
* sysdeps/mips/mips64/memcpy.S: Adjust register naming
conventions.
* sysdeps/mips/mips64/memset.S: Likewise.
* sysdeps/unix/mips/sysdep.S (__syscall_error) [_LIBC_REENTRANT]:
Use t0 instead of t4 as temporary.
2003-04-09 04:51:04 +02:00
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andi ta0, a2, 0x8 # Check if there is at least a double
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beq ta0, zero, L(last16) # word remaining after the loop
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PTR_SUBU a2, ta0
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2003-03-21 20:44:24 +01:00
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sd a1, 0(a0) # Yes...
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PTR_ADDIU a0, 8
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2003-03-21 22:39:39 +01:00
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L(last16):
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blez a2, L(exit) # Handle last 16 bytes (if cnt>0)
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2003-03-21 20:44:24 +01:00
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PTR_ADDU a3, a2, a0 # a3 is last address +1
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2003-03-21 22:39:39 +01:00
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L(lst16l):
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2003-03-21 20:44:24 +01:00
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PTR_ADDIU a0, 1
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2003-03-21 22:39:39 +01:00
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bne a0, a3, L(lst16l)
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2003-03-21 20:44:24 +01:00
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sb a1, -1(a0)
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L(exit):
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j ra # Bye, bye
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nop
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.set reorder
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END (memset)
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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>
2003-04-30 00:49:58 +02:00
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libc_hidden_builtin_def (memset)
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