picnoir/glibc
1
0
Fork 0
Code Issues Pull requests Packages Projects Releases Wiki Activity

Fix and cleanup unwind info in x86 strcmp-ssse<F3>.

Browse source
This commit is contained in:
Ulrich Drepper 2010-02-17 22:13:55 -08:00
parent 951ca0c5ff
commit 82abe82ad7
2 changed files with 20 additions and 73 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

6
ChangeLog
View file

@ -1,3 +1,9 @@
2010-02-17 H.J. Lu <hongjiu.lu@intel.com>
Ulrich Drepper <drepper@redhat.com>
* sysdeps/i386/i686/multiarch/strcmp-ssse3.S: Fix typo in unwind info.
Clean up a bit.
2010-02-17 Carl Fredrik Hammar <hammy.lite@gmail.com>
* hurd/hurdioctl.c (tiocsctty): Only get FD ports, do work in...

87
sysdeps/i386/i686/multiarch/strcmp-ssse3.S
View file

@ -40,6 +40,7 @@
# endif
# define STR1 4
# define STR2 STR1+4
# define RETURN ret; .p2align 4
# define UPDATE_STRNCMP_COUNTER
#else
# ifndef STRCMP
@ -48,7 +49,7 @@
# define STR1 8
# define STR2 STR1+4
# define CNT STR2+4
# define RETURN POP (%ebp); ret; .p2align 4; CFI_PUSH (%ebp)
# define UPDATE_STRNCMP_COUNTER \
/* calculate left number to compare */ \
mov $16, %esi; \
@ -1913,15 +1914,8 @@ L(less16bytes):
movzx 7(%edx), %eax
sub %ecx, %eax
#ifdef USE_AS_STRNCMP
POP (%ebp)
#endif
ret
RETURN
.p2align 4
#ifdef USE_AS_STRNCMP
CFI_PUSH (%ebp)
#endif
L(Byte0):
#ifdef USE_AS_STRNCMP
cmp $0, %ebp
@ -1931,15 +1925,8 @@ L(Byte0):
movzx (%edx), %eax
sub %ecx, %eax
#ifdef USE_AS_STRNCMP
POP (%ebp)
#endif
ret
RETURN
.p2align 4
#ifdef USE_AS_STRNCMP
CFI_PUSH (%ebp)
#endif
L(Byte1):
#ifdef USE_AS_STRNCMP
cmp $1, %ebp
@ -1949,15 +1936,8 @@ L(Byte1):
movzx 1(%edx), %eax
sub %ecx, %eax
#ifdef USE_AS_STRNCMP
POP (%ebp)
#endif
ret
RETURN
.p2align 4
#ifdef USE_AS_STRNCMP
CFI_PUSH (%ebp)
#endif
L(Byte2):
#ifdef USE_AS_STRNCMP
cmp $2, %ebp
@ -1967,15 +1947,8 @@ L(Byte2):
movzx 2(%edx), %eax
sub %ecx, %eax
#ifdef USE_AS_STRNCMP
POP (%ebp)
#endif
ret
RETURN
.p2align 4
#ifdef USE_AS_STRNCMP
CFI_PUSH (%ebp)
#endif
L(Byte3):
#ifdef USE_AS_STRNCMP
cmp $3, %ebp
@ -1985,15 +1958,8 @@ L(Byte3):
movzx 3(%edx), %eax
sub %ecx, %eax
#ifdef USE_AS_STRNCMP
POP (%ebp)
#endif
ret
RETURN
.p2align 4
#ifdef USE_AS_STRNCMP
CFI_PUSH (%ebp)
#endif
L(Byte4):
#ifdef USE_AS_STRNCMP
cmp $4, %ebp
@ -2003,15 +1969,8 @@ L(Byte4):
movzx 4(%edx), %eax
sub %ecx, %eax
#ifdef USE_AS_STRNCMP
POP (%ebp)
#endif
ret
RETURN
.p2align 4
#ifdef USE_AS_STRNCMP
CFI_PUSH (%ebp)
#endif
L(Byte5):
#ifdef USE_AS_STRNCMP
cmp $5, %ebp
@ -2021,15 +1980,8 @@ L(Byte5):
movzx 5(%edx), %eax
sub %ecx, %eax
#ifdef USE_AS_STRNCMP
POP (%ebp)
#endif
ret
RETURN
.p2align 4
#ifdef USE_AS_STRNCMP
CFI_PUSH (%ebp)
#endif
L(Byte6):
#ifdef USE_AS_STRNCMP
cmp $6, %ebp
@ -2039,15 +1991,8 @@ L(Byte6):
movzx 6(%edx), %eax
sub %ecx, %eax
#ifdef USE_AS_STRNCMP
POP (%ebp)
#endif
ret
RETURN
.p2align 4
#ifdef USE_AS_STRNCMP
CFI_PUSH (%ebp)
#endif
L(2next_8_bytes):
add $8, %eax
add $8, %edx
@ -2086,14 +2031,8 @@ L(2next_8_bytes):
movzx 7(%edx), %eax
sub %ecx, %eax
#ifdef USE_AS_STRNCMP
POP (%ebp)
#endif
ret
RETURN
#ifdef USE_AS_STRNCMP
CFI_PUSH (%ebp)
#endif
L(neq):
mov $1, %eax
ja L(neq_bigger)
@ -2105,7 +2044,8 @@ L(neq_bigger):
ret
#ifdef USE_AS_STRNCMP
cfi_remember_state
.p2align 4
cfi_restore_state
L(more8byteseq):
POP (%esi)
POP (%edi)
@ -2121,6 +2061,7 @@ L(eq):
ret
#ifdef USE_AS_STRNCMP
.p2align 4
CFI_PUSH (%ebp)
L(less16bytes_sncmp):
test %ebp, %ebp