mirror of
https://sourceware.org/git/glibc.git
synced 2024-12-05 11:11:04 +00:00
5929563ff2
1997-04-01 00:37 Ulrich Drepper <drepper@cygnus.com> * math/Makefile: Prevent inlining for test-{float,double,longdouble}. * math/libm-test.c (initialize): Make strings unique and force values to memory. * posix/regex.c: Debug debugging code. * sysdeps/i386/asm-syntax.h: Define `L' macro to emit correct syntax for local label. * sysdeps/i386/add_n.S: Use correct local label syntax for the binary format. * sysdeps/i386/addmul_1.S: Likewise. * sysdeps/i386/lshift.S: Likewise. * sysdeps/i386/memchr.S: Likewise. * sysdeps/i386/memset.S: Likewise. * sysdeps/i386/mul_1.S: Likewise. * sysdeps/i386/rshift.S: Likewise. * sysdeps/i386/stpcpy.S: Likewise. * sysdeps/i386/stpncpy.S: Likewise. * sysdeps/i386/strchr.S: Likewise. * sysdeps/i386/strcspn.S: Likewise. * sysdeps/i386/strlen.S: Likewise. * sysdeps/i386/strpbrk.S: Likewise. * sysdeps/i386/strrchr.S: Likewise. * sysdeps/i386/strspn.S: Likewise. * sysdeps/i386/strtok.S: Likewise. * sysdeps/i386/sub_n.S: Likewise. * sysdeps/i386/submul_1.S: Likewise. * sysdeps/i386/i486/strcat.S: Likewise. * sysdeps/i386/i486/strlen.S: Likewise. * sysdeps/i386/i586/add_n.S: Likewise. * sysdeps/i386/i586/addmul_1.S: Likewise. * sysdeps/i386/i586/lshift.S: Likewise. * sysdeps/i386/i586/memset.S: Likewise. * sysdeps/i386/i586/mul_1.S: Likewise. * sysdeps/i386/i586/rshift.S: Likewise. * sysdeps/i386/i586/strchr.S: Likewise. * sysdeps/i386/i586/strlen.S: Likewise. * sysdeps/i386/i586/sub_n.S: Likewise. * sysdeps/i386/i586/submul_1.S: Likewise. * sysdeps/stub/s_log2l.c: Correct function name. * time/africa: Updated from ADO tzdata1997e. * time/aantarctica: Likewise. * time/asia: Likewise. * time/australia: Likewise. * time/europe: Likewise. * time/northamerica: Likewise. * time/southamerica: Likewise. * time/private.h: Updated from ADO tzcode1997d. * time/scheck.c: Likewise. 1997-03-31 12:42 Ulrich Drepper <drepper@cygnus.com> * sysdeps/unix/sysv/linux/powerpc/Dist: Add kernel_*.h files. 1997-03-23 01:41 Geoff Keating <geoffk@ozemail.com.au> * sysdeps/powerpc/strlen.s: Rewrote for more speed. * string/tst-strlen.c: Also test various string alignments. 1997-03-19 06:11 Geoff Keating <geoffk@ozemail.com.au> * sysdeps/unix/sysv/linux/powerpc/statbuf.h: Removed. * sysdeps/unix/sysv/linux/powerpc/kernel_stat.h: Added. * sysdeps/powerpc/dl-machine.h (ELF_PREFERRED_ADDRESS): Assume program base address is 0x01800000 if we can't otherwise tell what it is. (elf_machine_rela): Replace `assertion failed' with real error messages. * sysdeps/powerpc/dl-machine.h: More comments, more GNU indenting. Put in extra parentheses to make explicit the relative precedence of + and >>. * sysdeps/powerpc/bsd-setjmp.S: Add `__setjmp' symbol so the tests pass. * sysdeps/powerpc/clone.S: Rewrite. Probably still doesn't work. * sysdeps/unix/sysv/linux/powerpc/sys/sysdep.h: Use .section "text" instead of .text. 1997-03-31 02:28 Ulrich Drepper <drepper@cygnus.com> * misc/tst-tsearch.c: Don't write to stderr, write to stdout instead. * inet/inet_ntoa.c (inet_ntoa): Complete rewrite. Now uses thread-specific memory in multi-threaded programs. * sysdeps/stub/s_exp2.c: New file. Stub version for exp2 function. * sysdeps/stub/s_exp2f.c: New file. * sysdeps/stub/s_exp2l.c: New file. Reported by a sun <asun@zoology.washington.edu>. * sysdeps/unix/sysv/linux/netatalk/atalk.h: Rename to... * sysdeps/unix/sysv/linux/netatalk/at.h: ...this. Suggested by a sun <asun@zoology.washington.edu>. 1997-03-30 14:53 Ulrich Drepper <drepper@cygnus.com> * sysdeps/unix/sysv/linux/netinet/ip_icmp.h: Add former contents of <netinet/icmp.h>. Patch by a sun <asun@zoology.washington.edu>. * sysdeps/powerpc/strlen.S: Added.
88 lines
2.8 KiB
ArmAsm
88 lines
2.8 KiB
ArmAsm
/* Copy SRC to DEST returning the address of the terminating '\0' in DEST.
|
|
For Intel 80x86, x>=3.
|
|
Copyright (C) 1994, 1995, 1996, 1997 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
Contributed by Ulrich Drepper (drepper@gnu.ai.mit.edu).
|
|
|
|
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. */
|
|
|
|
/* This function is defined neither in ANSI nor POSIX standards but is
|
|
also not invented here. */
|
|
|
|
#include <sysdep.h>
|
|
#include "asm-syntax.h"
|
|
|
|
/*
|
|
INPUT PARAMETERS:
|
|
dest (sp + 4)
|
|
src (sp + 8)
|
|
*/
|
|
|
|
.text
|
|
ENTRY (__stpcpy)
|
|
movl 4(%esp), %eax /* load destination pointer */
|
|
movl 8(%esp), %ecx /* load source pointer */
|
|
|
|
subl %eax, %ecx /* magic: reduce number of loop variants
|
|
to one using addressing mode */
|
|
|
|
/* Here we would like to write
|
|
|
|
subl $4, %eax
|
|
ALIGN (4)
|
|
|
|
but the assembler is too smart and optimizes for the shortest
|
|
form where the number only needs one byte. But if we could
|
|
have the long form we would not need the alignment. */
|
|
|
|
.byte 0x81, 0xe8 /* This is `subl $0x00000004, %eax' */
|
|
.long 0x00000004
|
|
|
|
/* Four times unfolded loop with only one loop counter. This
|
|
is achieved by the use of index+base addressing mode. As the
|
|
loop counter we use the destination address because this is
|
|
also the result. */
|
|
L(1): addl $4, %eax /* increment loop counter */
|
|
|
|
movb (%eax,%ecx), %dl /* load current char */
|
|
movb %dl, (%eax) /* and store it */
|
|
testb %dl, %dl /* was it NUL? */
|
|
jz L(2) /* yes, then exit */
|
|
|
|
movb 1(%eax,%ecx), %dl /* load current char */
|
|
movb %dl, 1(%eax) /* and store it */
|
|
testb %dl, %dl /* was it NUL? */
|
|
jz L(3) /* yes, then exit */
|
|
|
|
movb 2(%eax,%ecx), %dl /* load current char */
|
|
movb %dl, 2(%eax) /* and store it */
|
|
testb %dl, %dl /* was it NUL? */
|
|
jz L(4) /* yes, then exit */
|
|
|
|
movb 3(%eax,%ecx), %dl /* load current char */
|
|
movb %dl, 3(%eax) /* and store it */
|
|
testb %dl, %dl /* was it NUL? */
|
|
jnz L(1) /* no, then continue loop */
|
|
|
|
incl %eax /* correct loop counter */
|
|
L(4): incl %eax
|
|
L(3): incl %eax
|
|
L(2):
|
|
ret
|
|
END (__stpcpy)
|
|
|
|
weak_alias (__stpcpy, stpcpy)
|