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authorUlrich Drepper <drepper@redhat.com>2004-12-22 20:10:10 +0000
committerUlrich Drepper <drepper@redhat.com>2004-12-22 20:10:10 +0000
commita334319f6530564d22e775935d9c91663623a1b4 (patch)
treeb5877475619e4c938e98757d518bb1e9cbead751 /sysdeps/i386/i686/memcmp.S
parent0ecb606cb6cf65de1d9fc8a919bceb4be476c602 (diff)
downloadglibc-a334319f6530564d22e775935d9c91663623a1b4.tar.gz
(CFLAGS-tst-align.c): Add -mpreferred-stack-boundary=4.
Diffstat (limited to 'sysdeps/i386/i686/memcmp.S')
-rw-r--r--sysdeps/i386/i686/memcmp.S37
1 files changed, 4 insertions, 33 deletions
diff --git a/sysdeps/i386/i686/memcmp.S b/sysdeps/i386/i686/memcmp.S
index 4bd5394bec..ef57acdee8 100644
--- a/sysdeps/i386/i686/memcmp.S
+++ b/sysdeps/i386/i686/memcmp.S
@@ -1,5 +1,5 @@
/* Compare two memory blocks for differences in the first COUNT bytes.
- Copyright (C) 2004, 2005 Free Software Foundation, Inc.
+ Copyright (C) 2004 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@@ -26,11 +26,8 @@
#define BLK1 PARMS
#define BLK2 BLK1+PTR_SIZE
#define LEN BLK2+PTR_SIZE
-#define ENTRANCE pushl %ebx; cfi_adjust_cfa_offset (4); \
- cfi_rel_offset (ebx, 0); ENTER
-#define RETURN popl %ebx; cfi_adjust_cfa_offset (-4); \
- cfi_restore (ebx); LEAVE; ret; \
- cfi_adjust_cfa_offset (4); cfi_rel_offset (ebx, 0);
+#define ENTRANCE pushl %ebx; ENTER
+#define RETURN popl %ebx; LEAVE; ret
/* Load an entry in a jump table into EBX. TABLE is a jump table
with relative offsets. INDEX is a register contains the index
@@ -80,15 +77,11 @@ L(neq):
sbbl $-1, %eax
RETURN
- cfi_adjust_cfa_offset (4)
- cfi_rel_offset (ebx, 0)
L(not_1):
jl L(bye) /* LEN == 0 */
pushl %esi
- cfi_adjust_cfa_offset (4)
movl %eax, %esi
- cfi_rel_offset (esi, 0)
cmpl $32, %ecx;
jge L(32bytesormore) /* LEN => 32 */
@@ -135,14 +128,9 @@ L(4bytes):
jne L(find_diff)
L(0bytes):
popl %esi
- cfi_adjust_cfa_offset (-4)
- cfi_restore (esi)
xorl %eax, %eax
RETURN
- cfi_adjust_cfa_offset (8)
- cfi_rel_offset (esi, 0)
- cfi_rel_offset (ebx, 4)
L(29bytes):
movl -29(%esi), %eax
movl -29(%edx), %ecx
@@ -183,14 +171,9 @@ L(1bytes):
cmpb -1(%edx), %al
jne L(set)
popl %esi
- cfi_adjust_cfa_offset (-4)
- cfi_restore (esi)
xorl %eax, %eax
RETURN
- cfi_adjust_cfa_offset (8)
- cfi_rel_offset (esi, 0)
- cfi_rel_offset (ebx, 4)
L(30bytes):
movl -30(%esi), %eax
movl -30(%edx), %ecx
@@ -234,14 +217,9 @@ L(2bytes):
cmpl %ecx, %eax
jne L(set)
popl %esi
- cfi_adjust_cfa_offset (-4)
- cfi_restore (esi)
xorl %eax, %eax
RETURN
- cfi_adjust_cfa_offset (8)
- cfi_rel_offset (esi, 0)
- cfi_rel_offset (ebx, 4)
L(31bytes):
movl -31(%esi), %eax
movl -31(%edx), %ecx
@@ -288,14 +266,9 @@ L(3bytes):
cmpb -1(%edx), %al
jne L(set)
popl %esi
- cfi_adjust_cfa_offset (-4)
- cfi_restore (esi)
xorl %eax, %eax
RETURN
- cfi_adjust_cfa_offset (8)
- cfi_rel_offset (esi, 0)
- cfi_rel_offset (ebx, 4)
ALIGN (4)
/* ECX >= 32. */
L(32bytesormore):
@@ -376,10 +349,7 @@ L(set):
sbbl %eax, %eax
sbbl $-1, %eax
popl %esi
- cfi_adjust_cfa_offset (-4)
- cfi_restore (esi)
RETURN
-END (BP_SYM (memcmp))
.section .rodata
ALIGN (2)
@@ -417,6 +387,7 @@ L(table_32bytes) :
.long L(30bytes) - . + 0x78
.long L(31bytes) - . + 0x7c
+END (BP_SYM (memcmp))
#undef bcmp
weak_alias (BP_SYM (memcmp), BP_SYM (bcmp))