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Add optimized strncasecmp versions for x86-64.

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This commit is contained in:
Ulrich Drepper
2010-08-14 22:04:01 -07:00
parent ca6bb004eb
commit e9f82e0d1d
14 changed files with 774 additions and 286 deletions
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17
ChangeLog
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@ -1,5 +1,22 @@
2010-08-14 Ulrich Drepper <drepper@redhat.com>
* sysdeps/x86_64/Makefile [subdir=string] (sysdep_routines): Add
strncase_l-nonascii.
* sysdeps/x86_64/multiarch/Makefile [subdir=string] (sysdep_routines):
Add strncase_l-ssse3.
* sysdeps/x86_64/multiarch/strcmp.S: Prepare for use as strncasecmp.
* sysdeps/x86_64/strcmp.S: Likewise.
* sysdeps/x86_64/multiarch/strncase_l-ssse3.S: New file.
* sysdeps/x86_64/multiarch/strncase_l.S: New file.
* sysdeps/x86_64/strncase.S: New file.
* sysdeps/x86_64/strncase_l-nonascii.c: New file.
* sysdeps/x86_64/strncase_l.S: New file.
* string/Makefile (strop-tests): Add strncasecmp.
* string/test-strncasecmp.c: New file.
* sysdeps/x86_64/strcasecmp_l-nonascii.c: Add prototype to avoid
warning.
* sysdeps/x86_64/strcmp.S: Move definition of NO_NOLOCALE_ALIAS to...
* sysdeps/x86_64/multiarch/strcasecmp_l-ssse3.S: ... here.

5
NEWS
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@ -1,4 +1,4 @@
GNU C Library NEWS -- history of user-visible changes. 2010-8-12
GNU C Library NEWS -- history of user-visible changes. 2010-8-14
Copyright (C) 1992-2009, 2010 Free Software Foundation, Inc.
See the end for copying conditions.
@ -15,7 +15,8 @@ Version 2.13
* POWER7 optimizations: memset, memcmp, strncmp
* New optimized string functions for x86-64: strnlen, strcasecmp
* New optimized string functions for x86-64: strnlen (SSE2),
strcasecmp (SSE2, SSSE3, SSE4.2), strncasecmp (SSE2, SSSE3, SSE4.2)
Implemented by Ulrich Drepper.
Version 2.12

2
string/Makefile
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@ -49,7 +49,7 @@ o-objects.ob := memcpy.o memset.o memchr.o
strop-tests := memchr memcmp memcpy memmove mempcpy memset memccpy \
stpcpy stpncpy strcat strchr strcmp strcpy strcspn \
strlen strncmp strncpy strpbrk strrchr strspn memmem \
strstr strcasestr strnlen strcasecmp
strstr strcasestr strnlen strcasecmp strncasecmp
tests := tester inl-tester noinl-tester testcopy test-ffs \
tst-strlen stratcliff tst-svc tst-inlcall \
bug-strncat1 bug-strspn1 bug-strpbrk1 tst-bswap \

318
string/test-strncasecmp.c Normal file
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@ -0,0 +1,318 @@
/* Test and measure strncasecmp functions.
Copyright (C) 1999, 2002, 2003, 2005, 2010 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Written by Jakub Jelinek <jakub@redhat.com>, 1999.
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 <ctype.h>
#define TEST_MAIN
#include "test-string.h"
typedef int (*proto_t) (const char *, const char *, size_t);
static int simple_strncasecmp (const char *, const char *, size_t);
static int stupid_strncasecmp (const char *, const char *, size_t);
IMPL (stupid_strncasecmp, 0)
IMPL (simple_strncasecmp, 0)
IMPL (strncasecmp, 1)
static int
simple_strncasecmp (const char *s1, const char *s2, size_t n)
{
int ret;
if (n == 0)
return 0;
while ((ret = ((unsigned char) tolower (*s1)
- (unsigned char) tolower (*s2))) == 0
&& *s1++)
{
if (--n == 0)
return 0;
++s2;
}
return ret;
}
static int
stupid_strncasecmp (const char *s1, const char *s2, size_t max)
{
size_t ns1 = strlen (s1) + 1;
size_t ns2 = strlen (s2) + 1;
size_t n = ns1 < ns2 ? ns1 : ns2;
if (n > max)
n = max;
int ret = 0;
while (n--)
{
if ((ret = ((unsigned char) tolower (*s1)
- (unsigned char) tolower (*s2))) != 0)
break;
++s1;
++s2;
}
return ret;
}
static void
do_one_test (impl_t *impl, const char *s1, const char *s2, size_t n,
int exp_result)
{
int result = CALL (impl, s1, s2, n);
if ((exp_result == 0 && result != 0)
|| (exp_result < 0 && result >= 0)
|| (exp_result > 0 && result <= 0))
{
error (0, 0, "Wrong result in function %s %d %d", impl->name,
result, exp_result);
ret = 1;
return;
}
if (HP_TIMING_AVAIL)
{
hp_timing_t start __attribute ((unused));
hp_timing_t stop __attribute ((unused));
hp_timing_t best_time = ~ (hp_timing_t) 0;
size_t i;
for (i = 0; i < 32; ++i)
{
HP_TIMING_NOW (start);
CALL (impl, s1, s2, n);
HP_TIMING_NOW (stop);
HP_TIMING_BEST (best_time, start, stop);
}
printf ("\t%zd", (size_t) best_time);
}
}
static void
do_test (size_t align1, size_t align2, size_t n, size_t len, int max_char,
int exp_result)
{
size_t i;
char *s1, *s2;
if (len == 0)
return;
align1 &= 7;
if (align1 + len + 1 >= page_size)
return;
align2 &= 7;
if (align2 + len + 1 >= page_size)
return;
s1 = (char *) (buf1 + align1);
s2 = (char *) (buf2 + align2);
for (i = 0; i < len; i++)
{
s1[i] = toupper (1 + 23 * i % max_char);
s2[i] = tolower (s1[i]);
}
s1[len] = s2[len] = 0;
s1[len + 1] = 23;
s2[len + 1] = 24 + exp_result;
if ((s2[len - 1] == 'z' && exp_result == -1)
|| (s2[len - 1] == 'a' && exp_result == 1))
s1[len - 1] += exp_result;
else
s2[len - 1] -= exp_result;
if (HP_TIMING_AVAIL)
printf ("Length %4zd, alignment %2zd/%2zd:", len, align1, align2);
FOR_EACH_IMPL (impl, 0)
do_one_test (impl, s1, s2, n, exp_result);
if (HP_TIMING_AVAIL)
putchar ('\n');
}
static void
do_random_tests (void)
{
size_t i, j, n, align1, align2, pos, len1, len2;
int result;
long r;
unsigned char *p1 = buf1 + page_size - 512;
unsigned char *p2 = buf2 + page_size - 512;
for (n = 0; n < ITERATIONS; n++)
{
align1 = random () & 31;
if (random () & 1)
align2 = random () & 31;
else
align2 = align1 + (random () & 24);
pos = random () & 511;
j = align1 > align2 ? align1 : align2;
if (pos + j >= 511)
pos = 510 - j - (random () & 7);
len1 = random () & 511;
if (pos >= len1 && (random () & 1))
len1 = pos + (random () & 7);
if (len1 + j >= 512)
len1 = 511 - j - (random () & 7);
if (pos >= len1)
len2 = len1;
else
len2 = len1 + (len1 != 511 - j ? random () % (511 - j - len1) : 0);
j = (pos > len2 ? pos : len2) + align1 + 64;
if (j > 512)
j = 512;
for (i = 0; i < j; ++i)
{
p1[i] = tolower (random () & 255);
if (i < len1 + align1 && !p1[i])
{
p1[i] = tolower (random () & 255);
if (!p1[i])
p1[i] = tolower (1 + (random () & 127));
}
}
for (i = 0; i < j; ++i)
{
p2[i] = toupper (random () & 255);
if (i < len2 + align2 && !p2[i])
{
p2[i] = toupper (random () & 255);
if (!p2[i])
toupper (p2[i] = 1 + (random () & 127));
}
}
result = 0;
memcpy (p2 + align2, p1 + align1, pos);
if (pos < len1)
{
if (tolower (p2[align2 + pos]) == p1[align1 + pos])
{
p2[align2 + pos] = toupper (random () & 255);
if (tolower (p2[align2 + pos]) == p1[align1 + pos])
p2[align2 + pos] = toupper (p1[align1 + pos]
+ 3 + (random () & 127));
}
if (p1[align1 + pos] < tolower (p2[align2 + pos]))
result = -1;
else
result = 1;
}
p1[len1 + align1] = 0;
p2[len2 + align2] = 0;
FOR_EACH_IMPL (impl, 1)
{
r = CALL (impl, (char *) (p1 + align1), (char *) (p2 + align2),
pos + 1 + (random () & 255));
/* Test whether on 64-bit architectures where ABI requires
callee to promote has the promotion been done. */
asm ("" : "=g" (r) : "0" (r));
if ((r == 0 && result)
|| (r < 0 && result >= 0)
|| (r > 0 && result <= 0))
{
error (0, 0, "Iteration %zd - wrong result in function %s (%zd, %zd, %zd, %zd, %zd) %ld != %d, p1 %p p2 %p",
n, impl->name, align1, align2, len1, len2, pos, r, result, p1, p2);
ret = 1;
}
}
}
}
int
test_main (void)
{
size_t i;
test_init ();
printf ("%23s", "");
FOR_EACH_IMPL (impl, 0)
printf ("\t%s", impl->name);
putchar ('\n');
for (i = 1; i < 16; ++i)
{
do_test (i, i, i - 1, i, 127, 0);
do_test (i, i, i, i, 127, 0);
do_test (i, i, i, i, 127, 1);
do_test (i, i, i, i, 127, -1);
do_test (i, i, i + 1, i, 127, 0);
do_test (i, i, i + 1, i, 127, 1);
do_test (i, i, i + 1, i, 127, -1);
}
for (i = 1; i < 10; ++i)
{
do_test (0, 0, (2 << i) - 1, 2 << i, 127, 0);
do_test (0, 0, 2 << i, 2 << i, 254, 0);
do_test (0, 0, (2 << i) + 1, 2 << i, 127, 0);
do_test (0, 0, (2 << i) + 1, 2 << i, 254, 0);
do_test (0, 0, 2 << i, 2 << i, 127, 1);
do_test (0, 0, (2 << i) + 10, 2 << i, 127, 1);
do_test (0, 0, 2 << i, 2 << i, 254, 1);
do_test (0, 0, (2 << i) + 10, 2 << i, 254, 1);
do_test (0, 0, 2 << i, 2 << i, 127, -1);
do_test (0, 0, (2 << i) + 10, 2 << i, 127, -1);
do_test (0, 0, 2 << i, 2 << i, 254, -1);
do_test (0, 0, (2 << i) + 10, 2 << i, 254, -1);
}
for (i = 1; i < 8; ++i)
{
do_test (i, 2 * i, (8 << i) - 1, 8 << i, 127, 0);
do_test (i, 2 * i, 8 << i, 8 << i, 127, 0);
do_test (i, 2 * i, (8 << i) + 100, 8 << i, 127, 0);
do_test (2 * i, i, (8 << i) - 1, 8 << i, 254, 0);
do_test (2 * i, i, 8 << i, 8 << i, 254, 0);
do_test (2 * i, i, (8 << i) + 100, 8 << i, 254, 0);
do_test (i, 2 * i, 8 << i, 8 << i, 127, 1);
do_test (i, 2 * i, (8 << i) + 100, 8 << i, 127, 1);
do_test (2 * i, i, 8 << i, 8 << i, 254, 1);
do_test (2 * i, i, (8 << i) + 100, 8 << i, 254, 1);
do_test (i, 2 * i, 8 << i, 8 << i, 127, -1);
do_test (i, 2 * i, (8 << i) + 100, 8 << i, 127, -1);
do_test (2 * i, i, 8 << i, 8 << i, 254, -1);
do_test (2 * i, i, (8 << i) + 100, 8 << i, 254, -1);
}
do_random_tests ();
return ret;
}
#include "../test-skeleton.c"

2
sysdeps/x86_64/Makefile
View File

@ -12,7 +12,7 @@ sysdep_routines += _mcount
endif
ifeq ($(subdir),string)
sysdep_routines += cacheinfo strcasecmp_l-nonascii
sysdep_routines += cacheinfo strcasecmp_l-nonascii strncase_l-nonascii
gen-as-const-headers += locale-defines.sym
endif

3
sysdeps/x86_64/multiarch/Makefile
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@ -7,7 +7,8 @@ ifeq ($(subdir),string)
sysdep_routines += stpncpy-c strncpy-c strcmp-ssse3 strncmp-ssse3 \
strend-sse4 memcmp-sse4 memcpy-ssse3 mempcpy-ssse3 \
memmove-ssse3 memcpy-ssse3-back mempcpy-ssse3-back \
memmove-ssse3-back strcasestr-nonascii strcasecmp_l-ssse3
memmove-ssse3-back strcasestr-nonascii strcasecmp_l-ssse3 \
strncase_l-ssse3
ifeq (yes,$(config-cflags-sse4))
sysdep_routines += strcspn-c strpbrk-c strspn-c strstr-c strcasestr-c
CFLAGS-strcspn-c.c += -msse4

256
sysdeps/x86_64/multiarch/strcmp.S
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@ -46,6 +46,24 @@
# define STRCMP_SSSE3 __strcasecmp_l_ssse3
# define STRCMP_SSE2 __strcasecmp_l_sse2
# define __GI_STRCMP __GI___strcasecmp_l
#elif defined USE_AS_STRNCASECMP_L
# include "locale-defines.h"
/* Since the counter, %r11, is unsigned, we branch to strcmp_exitz
if the new counter > the old one or is 0. */
# define UPDATE_STRNCMP_COUNTER \
/* calculate left number to compare */ \
lea -16(%rcx, %r11), %r9; \
cmp %r9, %r11; \
jb LABEL(strcmp_exitz_sse4_2); \
test %r9, %r9; \
je LABEL(strcmp_exitz_sse4_2); \
mov %r9, %r11
# define STRCMP_SSE42 __strncasecmp_l_sse42
# define STRCMP_SSSE3 __strncasecmp_l_ssse3
# define STRCMP_SSE2 __strncasecmp_l_sse2
# define __GI_STRCMP __GI___strncasecmp_l
#else
# define UPDATE_STRNCMP_COUNTER
# ifndef STRCMP
@ -100,6 +118,24 @@ ENTRY(__strcasecmp)
END(__strcasecmp)
weak_alias (__strcasecmp, strcasecmp)
# endif
# ifdef USE_AS_STRNCASECMP_L
ENTRY(__strncasecmp)
.type __strncasecmp, @gnu_indirect_function
cmpl $0, __cpu_features+KIND_OFFSET(%rip)
jne 1f
call __init_cpu_features
1:
leaq __strncasecmp_sse42(%rip), %rax
testl $bit_SSE4_2, __cpu_features+CPUID_OFFSET+index_SSE4_2(%rip)
jnz 2f
leaq __strncasecmp_ssse3(%rip), %rax
testl $bit_SSSE3, __cpu_features+CPUID_OFFSET+index_SSSE3(%rip)
jnz 2f
leaq __strncasecmp_sse2(%rip), %rax
2: ret
END(__strncasecmp)
weak_alias (__strncasecmp, strncasecmp)
# endif
/* We use 0x1a:
_SIDD_SBYTE_OPS
@ -132,14 +168,27 @@ weak_alias (__strcasecmp, strcasecmp)
.align 16
.type STRCMP_SSE42, @function
# ifdef USE_AS_STRCASECMP_L
/* 5-byte NOP. */
.byte 0x0f,0x1f,0x44,0x00,0x00
ENTRY (__strcasecmp_sse42)
movq __libc_tsd_LOCALE@gottpoff(%rip),%rax
movq %fs:(%rax),%rdx
// XXX 5 byte should be before the function
/* 5-byte NOP. */
.byte 0x0f,0x1f,0x44,0x00,0x00
END (__strcasecmp_sse42)
/* FALLTHROUGH to strcasecmp_l. */
# endif
# ifdef USE_AS_STRNCASECMP_L
ENTRY (__strncasecmp_sse42)
movq __libc_tsd_LOCALE@gottpoff(%rip),%rax
movq %fs:(%rax),%r10
// XXX 5 byte should be before the function
/* 5-byte NOP. */
.byte 0x0f,0x1f,0x44,0x00,0x00
END (__strncasecmp_sse42)
/* FALLTHROUGH to strncasecmp_l. */
# endif
STRCMP_SSE42:
cfi_startproc
@ -159,8 +208,19 @@ STRCMP_SSE42:
testl $0, LOCALE_DATA_VALUES+_NL_CTYPE_NONASCII_CASE*SIZEOF_VALUES(%rax)
jne __strcasecmp_l_nonascii
# endif
# ifdef USE_AS_STRNCASECMP_L
/* We have to fall back on the C implementation for locales
with encodings not matching ASCII for single bytes. */
# if LOCALE_T___LOCALES != 0 || LC_CTYPE != 0
movq LOCALE_T___LOCALES+LC_CTYPE*8(%r10), %rax
# else
movq (%r10), %rax
# endif
testl $0, LOCALE_DATA_VALUES+_NL_CTYPE_NONASCII_CASE*SIZEOF_VALUES(%rax)
jne __strncasecmp_l_nonascii
# endif
#ifdef USE_AS_STRNCMP
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
test %rdx, %rdx
je LABEL(strcmp_exitz_sse4_2)
cmp $1, %rdx
@ -172,7 +232,7 @@ STRCMP_SSE42:
/* Use 64bit AND here to avoid long NOP padding. */
and $0x3f, %rcx /* rsi alignment in cache line */
and $0x3f, %rax /* rdi alignment in cache line */
#ifdef USE_AS_STRCASECMP_L
# if defined USE_AS_STRCASECMP_L || defined USE_AS_STRNCASECMP_L
.section .rodata.cst16,"aM",@progbits,16
.align 16
.Lbelowupper_sse4:
@ -198,7 +258,7 @@ STRCMP_SSE42:
ja LABEL(crosscache_sse4_2)/* rdi: 16-byte load will cross cache line */
movdqu (%rdi), %xmm1
movdqu (%rsi), %xmm2
# ifdef USE_AS_STRCASECMP_L
# if defined USE_AS_STRCASECMP_L || defined USE_AS_STRNCASECMP_L
# define TOLOWER(reg1, reg2) \
movdqa reg1, %xmm7; \
movdqa UCHIGH_reg, %xmm8; \
@ -225,7 +285,7 @@ STRCMP_SSE42:
pmovmskb %xmm1, %edx
sub $0xffff, %edx /* if first 16 bytes are same, edx == 0xffff */
jnz LABEL(less16bytes_sse4_2)/* If not, find different value or null char */
#ifdef USE_AS_STRNCMP
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
sub $16, %r11
jbe LABEL(strcmp_exitz_sse4_2)/* finish comparision */
# endif
@ -270,7 +330,7 @@ LABEL(ashr_0_sse4_2):
movdqa (%rsi), %xmm1
pxor %xmm0, %xmm0 /* clear %xmm0 for null char check */
pcmpeqb %xmm1, %xmm0 /* Any null chars? */
#ifndef USE_AS_STRCASECMP_L
# if !defined USE_AS_STRCASECMP_L && !defined USE_AS_STRNCASECMP_L
pcmpeqb (%rdi), %xmm1 /* compare 16 bytes for equality */
# else
movdqa (%rdi), %xmm2
@ -300,7 +360,7 @@ LABEL(ashr_0_sse4_2):
.p2align 4
LABEL(ashr_0_use_sse4_2):
movdqa (%rdi,%rdx), %xmm0
#ifndef USE_AS_STRCASECMP_L
# if !defined USE_AS_STRCASECMP_L && !defined USE_AS_STRNCASECMP_L
pcmpistri $0x1a,(%rsi,%rdx), %xmm0
# else
movdqa (%rsi,%rdx), %xmm1
@ -309,13 +369,13 @@ LABEL(ashr_0_use_sse4_2):
# endif
lea 16(%rdx), %rdx
jbe LABEL(ashr_0_use_sse4_2_exit)
#ifdef USE_AS_STRNCMP
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
sub $16, %r11
jbe LABEL(strcmp_exitz_sse4_2)
# endif
movdqa (%rdi,%rdx), %xmm0
#ifndef USE_AS_STRCASECMP_L
# if !defined USE_AS_STRCASECMP_L && !defined USE_AS_STRNCASECMP_L
pcmpistri $0x1a,(%rsi,%rdx), %xmm0
# else
movdqa (%rsi,%rdx), %xmm1
@ -324,7 +384,7 @@ LABEL(ashr_0_use_sse4_2):
# endif
lea 16(%rdx), %rdx
jbe LABEL(ashr_0_use_sse4_2_exit)
#ifdef USE_AS_STRNCMP
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
sub $16, %r11
jbe LABEL(strcmp_exitz_sse4_2)
# endif
@ -334,14 +394,14 @@ LABEL(ashr_0_use_sse4_2):
.p2align 4
LABEL(ashr_0_use_sse4_2_exit):
jnc LABEL(strcmp_exitz_sse4_2)
#ifdef USE_AS_STRNCMP
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
sub %rcx, %r11
jbe LABEL(strcmp_exitz_sse4_2)
# endif
lea -16(%rdx, %rcx), %rcx
movzbl (%rdi, %rcx), %eax
movzbl (%rsi, %rcx), %edx
# ifdef USE_AS_STRCASECMP_L
# if defined USE_AS_STRCASECMP_L || defined USE_AS_STRNCASECMP_L
leaq _nl_C_LC_CTYPE_tolower+128*4(%rip), %rcx
movl (%rcx,%rax,4), %eax
movl (%rcx,%rdx,4), %edx
@ -394,7 +454,7 @@ LABEL(loop_ashr_1_use_sse4_2):
movdqa (%rdi, %rdx), %xmm0
palignr $1, -16(%rdi, %rdx), %xmm0
#ifndef USE_AS_STRCASECMP_L
# if !defined USE_AS_STRCASECMP_L && !defined USE_AS_STRNCASECMP_L
pcmpistri $0x1a,(%rsi,%rdx), %xmm0
# else
movdqa (%rsi,%rdx), %xmm1
@ -402,7 +462,7 @@ LABEL(loop_ashr_1_use_sse4_2):
pcmpistri $0x1a, %xmm1, %xmm0
# endif
jbe LABEL(use_sse4_2_exit)
#ifdef USE_AS_STRNCMP
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
sub $16, %r11
jbe LABEL(strcmp_exitz_sse4_2)
# endif
@ -413,7 +473,7 @@ LABEL(loop_ashr_1_use_sse4_2):
movdqa (%rdi, %rdx), %xmm0
palignr $1, -16(%rdi, %rdx), %xmm0
#ifndef USE_AS_STRCASECMP_L
# if !defined USE_AS_STRCASECMP_L && !defined USE_AS_STRNCASECMP_L
pcmpistri $0x1a,(%rsi,%rdx), %xmm0
# else
movdqa (%rsi,%rdx), %xmm1
@ -421,7 +481,7 @@ LABEL(loop_ashr_1_use_sse4_2):
pcmpistri $0x1a, %xmm1, %xmm0
# endif
jbe LABEL(use_sse4_2_exit)
#ifdef USE_AS_STRNCMP
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
sub $16, %r11
jbe LABEL(strcmp_exitz_sse4_2)
# endif
@ -434,7 +494,7 @@ LABEL(nibble_ashr_1_use_sse4_2):
movdqa -16(%rdi, %rdx), %xmm0
psrldq $1, %xmm0
pcmpistri $0x3a,%xmm0, %xmm0
#ifdef USE_AS_STRNCMP
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
cmp %r11, %rcx
jae LABEL(nibble_ashr_use_sse4_2_exit)
# endif
@ -486,7 +546,7 @@ LABEL(loop_ashr_2_use_sse4_2):
movdqa (%rdi, %rdx), %xmm0
palignr $2, -16(%rdi, %rdx), %xmm0
#ifndef USE_AS_STRCASECMP_L
# if !defined USE_AS_STRCASECMP_L && !defined USE_AS_STRNCASECMP_L
pcmpistri $0x1a,(%rsi,%rdx), %xmm0
# else
movdqa (%rsi,%rdx), %xmm1
@ -494,7 +554,7 @@ LABEL(loop_ashr_2_use_sse4_2):
pcmpistri $0x1a, %xmm1, %xmm0
# endif
jbe LABEL(use_sse4_2_exit)
#ifdef USE_AS_STRNCMP
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
sub $16, %r11
jbe LABEL(strcmp_exitz_sse4_2)
# endif
@ -505,7 +565,7 @@ LABEL(loop_ashr_2_use_sse4_2):
movdqa (%rdi, %rdx), %xmm0
palignr $2, -16(%rdi, %rdx), %xmm0
#ifndef USE_AS_STRCASECMP_L
# if !defined USE_AS_STRCASECMP_L && !defined USE_AS_STRNCASECMP_L
pcmpistri $0x1a,(%rsi,%rdx), %xmm0
# else
movdqa (%rsi,%rdx), %xmm1
@ -513,7 +573,7 @@ LABEL(loop_ashr_2_use_sse4_2):
pcmpistri $0x1a, %xmm1, %xmm0
# endif
jbe LABEL(use_sse4_2_exit)
#ifdef USE_AS_STRNCMP
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
sub $16, %r11
jbe LABEL(strcmp_exitz_sse4_2)
# endif
@ -526,7 +586,7 @@ LABEL(nibble_ashr_2_use_sse4_2):
movdqa -16(%rdi, %rdx), %xmm0
psrldq $2, %xmm0
pcmpistri $0x3a,%xmm0, %xmm0
#ifdef USE_AS_STRNCMP
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
cmp %r11, %rcx
jae LABEL(nibble_ashr_use_sse4_2_exit)
# endif
@ -578,7 +638,7 @@ LABEL(loop_ashr_3_use_sse4_2):
movdqa (%rdi, %rdx), %xmm0
palignr $3, -16(%rdi, %rdx), %xmm0
#ifndef USE_AS_STRCASECMP_L
# if !defined USE_AS_STRCASECMP_L && !defined USE_AS_STRNCASECMP_L
pcmpistri $0x1a,(%rsi,%rdx), %xmm0
# else
movdqa (%rsi,%rdx), %xmm1
@ -586,7 +646,7 @@ LABEL(loop_ashr_3_use_sse4_2):
pcmpistri $0x1a, %xmm1, %xmm0
# endif
jbe LABEL(use_sse4_2_exit)
#ifdef USE_AS_STRNCMP
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
sub $16, %r11
jbe LABEL(strcmp_exitz_sse4_2)
# endif
@ -597,7 +657,7 @@ LABEL(loop_ashr_3_use_sse4_2):
movdqa (%rdi, %rdx), %xmm0
palignr $3, -16(%rdi, %rdx), %xmm0
#ifndef USE_AS_STRCASECMP_L
# if !defined USE_AS_STRCASECMP_L && !defined USE_AS_STRNCASECMP_L
pcmpistri $0x1a,(%rsi,%rdx), %xmm0
# else
movdqa (%rsi,%rdx), %xmm1
@ -605,7 +665,7 @@ LABEL(loop_ashr_3_use_sse4_2):
pcmpistri $0x1a, %xmm1, %xmm0
# endif
jbe LABEL(use_sse4_2_exit)
#ifdef USE_AS_STRNCMP
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
sub $16, %r11
jbe LABEL(strcmp_exitz_sse4_2)
# endif
@ -618,7 +678,7 @@ LABEL(nibble_ashr_3_use_sse4_2):
movdqa -16(%rdi, %rdx), %xmm0
psrldq $3, %xmm0
pcmpistri $0x3a,%xmm0, %xmm0
#ifdef USE_AS_STRNCMP
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
cmp %r11, %rcx
jae LABEL(nibble_ashr_use_sse4_2_exit)
# endif
@ -671,7 +731,7 @@ LABEL(loop_ashr_4_use_sse4_2):
movdqa (%rdi, %rdx), %xmm0
palignr $4, -16(%rdi, %rdx), %xmm0
#ifndef USE_AS_STRCASECMP_L
# if !defined USE_AS_STRCASECMP_L && !defined USE_AS_STRNCASECMP_L
pcmpistri $0x1a,(%rsi,%rdx), %xmm0
# else
movdqa (%rsi,%rdx), %xmm1
@ -679,7 +739,7 @@ LABEL(loop_ashr_4_use_sse4_2):
pcmpistri $0x1a, %xmm1, %xmm0
# endif
jbe LABEL(use_sse4_2_exit)
#ifdef USE_AS_STRNCMP
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
sub $16, %r11
jbe LABEL(strcmp_exitz_sse4_2)
# endif
@ -690,7 +750,7 @@ LABEL(loop_ashr_4_use_sse4_2):
movdqa (%rdi, %rdx), %xmm0
palignr $4, -16(%rdi, %rdx), %xmm0
#ifndef USE_AS_STRCASECMP_L
# if !defined USE_AS_STRCASECMP_L && !defined USE_AS_STRNCASECMP_L
pcmpistri $0x1a,(%rsi,%rdx), %xmm0
# else
movdqa (%rsi,%rdx), %xmm1
@ -698,7 +758,7 @@ LABEL(loop_ashr_4_use_sse4_2):
pcmpistri $0x1a, %xmm1, %xmm0
# endif
jbe LABEL(use_sse4_2_exit)
#ifdef USE_AS_STRNCMP
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
sub $16, %r11
jbe LABEL(strcmp_exitz_sse4_2)
# endif
@ -711,7 +771,7 @@ LABEL(nibble_ashr_4_use_sse4_2):
movdqa -16(%rdi, %rdx), %xmm0
psrldq $4, %xmm0
pcmpistri $0x3a,%xmm0, %xmm0
#ifdef USE_AS_STRNCMP
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
cmp %r11, %rcx
jae LABEL(nibble_ashr_use_sse4_2_exit)
# endif
@ -764,7 +824,7 @@ LABEL(loop_ashr_5_use_sse4_2):
movdqa (%rdi, %rdx), %xmm0
palignr $5, -16(%rdi, %rdx), %xmm0
#ifndef USE_AS_STRCASECMP_L
# if !defined USE_AS_STRCASECMP_L || !defined USE_AS_STRNCASECMP_L
pcmpistri $0x1a,(%rsi,%rdx), %xmm0
# else
movdqa (%rsi,%rdx), %xmm1
@ -772,7 +832,7 @@ LABEL(loop_ashr_5_use_sse4_2):
pcmpistri $0x1a, %xmm1, %xmm0
# endif
jbe LABEL(use_sse4_2_exit)
#ifdef USE_AS_STRNCMP
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
sub $16, %r11
jbe LABEL(strcmp_exitz_sse4_2)
# endif
@ -784,7 +844,7 @@ LABEL(loop_ashr_5_use_sse4_2):
movdqa (%rdi, %rdx), %xmm0
palignr $5, -16(%rdi, %rdx), %xmm0
#ifndef USE_AS_STRCASECMP_L
# if !defined USE_AS_STRCASECMP_L && !defined USE_AS_STRNCASECMP_L
pcmpistri $0x1a,(%rsi,%rdx), %xmm0
# else
movdqa (%rsi,%rdx), %xmm1
@ -792,7 +852,7 @@ LABEL(loop_ashr_5_use_sse4_2):
pcmpistri $0x1a, %xmm1, %xmm0
# endif
jbe LABEL(use_sse4_2_exit)
#ifdef USE_AS_STRNCMP
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
sub $16, %r11
jbe LABEL(strcmp_exitz_sse4_2)
# endif
@ -805,7 +865,7 @@ LABEL(nibble_ashr_5_use_sse4_2):
movdqa -16(%rdi, %rdx), %xmm0
psrldq $5, %xmm0
pcmpistri $0x3a,%xmm0, %xmm0
#ifdef USE_AS_STRNCMP
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
cmp %r11, %rcx
jae LABEL(nibble_ashr_use_sse4_2_exit)
# endif
@ -858,7 +918,7 @@ LABEL(loop_ashr_6_use_sse4_2):
movdqa (%rdi, %rdx), %xmm0
palignr $6, -16(%rdi, %rdx), %xmm0
#ifndef USE_AS_STRCASECMP_L
# if !defined USE_AS_STRCASECMP_L && !defined USE_AS_STRNCASECMP_L
pcmpistri $0x1a,(%rsi,%rdx), %xmm0
# else
movdqa (%rsi,%rdx), %xmm1
@ -866,7 +926,7 @@ LABEL(loop_ashr_6_use_sse4_2):
pcmpistri $0x1a, %xmm1, %xmm0
# endif
jbe LABEL(use_sse4_2_exit)
#ifdef USE_AS_STRNCMP
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
sub $16, %r11
jbe LABEL(strcmp_exitz_sse4_2)
# endif
@ -877,7 +937,7 @@ LABEL(loop_ashr_6_use_sse4_2):
movdqa (%rdi, %rdx), %xmm0
palignr $6, -16(%rdi, %rdx), %xmm0
#ifndef USE_AS_STRCASECMP_L
# if !defined USE_AS_STRCASECMP_L && !defined USE_AS_STRNCASECMP_L
pcmpistri $0x1a,(%rsi,%rdx), %xmm0
# else
movdqa (%rsi,%rdx), %xmm1
@ -885,7 +945,7 @@ LABEL(loop_ashr_6_use_sse4_2):
pcmpistri $0x1a, %xmm1, %xmm0
# endif
jbe LABEL(use_sse4_2_exit)
#ifdef USE_AS_STRNCMP
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
sub $16, %r11
jbe LABEL(strcmp_exitz_sse4_2)
# endif
@ -898,7 +958,7 @@ LABEL(nibble_ashr_6_use_sse4_2):
movdqa -16(%rdi, %rdx), %xmm0
psrldq $6, %xmm0
pcmpistri $0x3a,%xmm0, %xmm0
#ifdef USE_AS_STRNCMP
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
cmp %r11, %rcx
jae LABEL(nibble_ashr_use_sse4_2_exit)
# endif
@ -951,7 +1011,7 @@ LABEL(loop_ashr_7_use_sse4_2):
movdqa (%rdi, %rdx), %xmm0
palignr $7, -16(%rdi, %rdx), %xmm0
#ifndef USE_AS_STRCASECMP_L
# if !defined USE_AS_STRCASECMP_L && !defined USE_AS_STRNCASECMP_L
pcmpistri $0x1a,(%rsi,%rdx), %xmm0
# else
movdqa (%rsi,%rdx), %xmm1
@ -959,7 +1019,7 @@ LABEL(loop_ashr_7_use_sse4_2):
pcmpistri $0x1a, %xmm1, %xmm0
# endif
jbe LABEL(use_sse4_2_exit)
#ifdef USE_AS_STRNCMP
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
sub $16, %r11
jbe LABEL(strcmp_exitz_sse4_2)
# endif
@ -970,7 +1030,7 @@ LABEL(loop_ashr_7_use_sse4_2):
movdqa (%rdi, %rdx), %xmm0
palignr $7, -16(%rdi, %rdx), %xmm0
#ifndef USE_AS_STRCASECMP_L
# if !defined USE_AS_STRCASECMP_L && !defined USE_AS_STRNCASECMP_L
pcmpistri $0x1a,(%rsi,%rdx), %xmm0
# else
movdqa (%rsi,%rdx), %xmm1
@ -978,7 +1038,7 @@ LABEL(loop_ashr_7_use_sse4_2):
pcmpistri $0x1a, %xmm1, %xmm0
# endif
jbe LABEL(use_sse4_2_exit)
#ifdef USE_AS_STRNCMP
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
sub $16, %r11
jbe LABEL(strcmp_exitz_sse4_2)
# endif
@ -991,7 +1051,7 @@ LABEL(nibble_ashr_7_use_sse4_2):
movdqa -16(%rdi, %rdx), %xmm0
psrldq $7, %xmm0
pcmpistri $0x3a,%xmm0, %xmm0
#ifdef USE_AS_STRNCMP
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
cmp %r11, %rcx
jae LABEL(nibble_ashr_use_sse4_2_exit)
# endif
@ -1044,7 +1104,7 @@ LABEL(loop_ashr_8_use_sse4_2):
movdqa (%rdi, %rdx), %xmm0
palignr $8, -16(%rdi, %rdx), %xmm0
#ifndef USE_AS_STRCASECMP_L
# if !defined USE_AS_STRCASECMP_L && !defined USE_AS_STRNCASECMP_L
pcmpistri $0x1a, (%rsi,%rdx), %xmm0
# else
movdqa (%rsi,%rdx), %xmm1
@ -1052,7 +1112,7 @@ LABEL(loop_ashr_8_use_sse4_2):
pcmpistri $0x1a, %xmm1, %xmm0
# endif
jbe LABEL(use_sse4_2_exit)
#ifdef USE_AS_STRNCMP
# if defined USE_AS_STRNCMP || defined USE_AS_STRCASECMP_L
sub $16, %r11
jbe LABEL(strcmp_exitz_sse4_2)
# endif
@ -1063,7 +1123,7 @@ LABEL(loop_ashr_8_use_sse4_2):
movdqa (%rdi, %rdx), %xmm0
palignr $8, -16(%rdi, %rdx), %xmm0
#ifndef USE_AS_STRCASECMP_L
# if !defined USE_AS_STRCASECMP_L && !defined USE_AS_STRNCASECMP_L
pcmpistri $0x1a, (%rsi,%rdx), %xmm0
# else
movdqa (%rsi,%rdx), %xmm1
@ -1071,7 +1131,7 @@ LABEL(loop_ashr_8_use_sse4_2):
pcmpistri $0x1a, %xmm1, %xmm0
# endif
jbe LABEL(use_sse4_2_exit)
#ifdef USE_AS_STRNCMP
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
sub $16, %r11
jbe LABEL(strcmp_exitz_sse4_2)
# endif
@ -1084,7 +1144,7 @@ LABEL(nibble_ashr_8_use_sse4_2):
movdqa -16(%rdi, %rdx), %xmm0
psrldq $8, %xmm0
pcmpistri $0x3a,%xmm0, %xmm0
#ifdef USE_AS_STRNCMP
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
cmp %r11, %rcx
jae LABEL(nibble_ashr_use_sse4_2_exit)
# endif
@ -1138,7 +1198,7 @@ LABEL(loop_ashr_9_use_sse4_2):
movdqa (%rdi, %rdx), %xmm0
palignr $9, -16(%rdi, %rdx), %xmm0
#ifndef USE_AS_STRCASECMP_L
# if !defined USE_AS_STRCASECMP_L && !defined USE_AS_STRNCASECMP_L
pcmpistri $0x1a, (%rsi,%rdx), %xmm0
# else
movdqa (%rsi,%rdx), %xmm1
@ -1146,7 +1206,7 @@ LABEL(loop_ashr_9_use_sse4_2):
pcmpistri $0x1a, %xmm1, %xmm0
# endif
jbe LABEL(use_sse4_2_exit)
#ifdef USE_AS_STRNCMP
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
sub $16, %r11
jbe LABEL(strcmp_exitz_sse4_2)
# endif
@ -1157,7 +1217,7 @@ LABEL(loop_ashr_9_use_sse4_2):
movdqa (%rdi, %rdx), %xmm0
palignr $9, -16(%rdi, %rdx), %xmm0
#ifndef USE_AS_STRCASECMP_L
# if !defined USE_AS_STRCASECMP_L && !defined USE_AS_STRNCASECMP_L
pcmpistri $0x1a, (%rsi,%rdx), %xmm0
# else
movdqa (%rsi,%rdx), %xmm1
@ -1165,7 +1225,7 @@ LABEL(loop_ashr_9_use_sse4_2):
pcmpistri $0x1a, %xmm1, %xmm0
# endif
jbe LABEL(use_sse4_2_exit)
#ifdef USE_AS_STRNCMP
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
sub $16, %r11
jbe LABEL(strcmp_exitz_sse4_2)
# endif
@ -1178,7 +1238,7 @@ LABEL(nibble_ashr_9_use_sse4_2):
movdqa -16(%rdi, %rdx), %xmm0
psrldq $9, %xmm0
pcmpistri $0x3a,%xmm0, %xmm0
#ifdef USE_AS_STRNCMP
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
cmp %r11, %rcx
jae LABEL(nibble_ashr_use_sse4_2_exit)
# endif
@ -1231,7 +1291,7 @@ LABEL(loop_ashr_10_use_sse4_2):
movdqa (%rdi, %rdx), %xmm0
palignr $10, -16(%rdi, %rdx), %xmm0
#ifndef USE_AS_STRCASECMP_L
# if !defined USE_AS_STRCASECMP_L && !defined USE_AS_STRNCASECMP_L
pcmpistri $0x1a, (%rsi,%rdx), %xmm0
# else
movdqa (%rsi,%rdx), %xmm1
@ -1239,7 +1299,7 @@ LABEL(loop_ashr_10_use_sse4_2):
pcmpistri $0x1a, %xmm1, %xmm0
# endif
jbe LABEL(use_sse4_2_exit)
#ifdef USE_AS_STRNCMP
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
sub $16, %r11
jbe LABEL(strcmp_exitz_sse4_2)
# endif
@ -1250,7 +1310,7 @@ LABEL(loop_ashr_10_use_sse4_2):
movdqa (%rdi, %rdx), %xmm0
palignr $10, -16(%rdi, %rdx), %xmm0
#ifndef USE_AS_STRCASECMP_L
# if !defined USE_AS_STRCASECMP_L && !defined USE_AS_STRNCASECMP_L
pcmpistri $0x1a, (%rsi,%rdx), %xmm0
# else
movdqa (%rsi,%rdx), %xmm1
@ -1258,7 +1318,7 @@ LABEL(loop_ashr_10_use_sse4_2):
pcmpistri $0x1a, %xmm1, %xmm0
# endif
jbe LABEL(use_sse4_2_exit)
#ifdef USE_AS_STRNCMP
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
sub $16, %r11
jbe LABEL(strcmp_exitz_sse4_2)
# endif
@ -1271,7 +1331,7 @@ LABEL(nibble_ashr_10_use_sse4_2):
movdqa -16(%rdi, %rdx), %xmm0
psrldq $10, %xmm0
pcmpistri $0x3a,%xmm0, %xmm0
#ifdef USE_AS_STRNCMP
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
cmp %r11, %rcx
jae LABEL(nibble_ashr_use_sse4_2_exit)
# endif
@ -1324,7 +1384,7 @@ LABEL(loop_ashr_11_use_sse4_2):
movdqa (%rdi, %rdx), %xmm0
palignr $11, -16(%rdi, %rdx), %xmm0
#ifndef USE_AS_STRCASECMP_L
# if !defined USE_AS_STRCASECMP_L && !defined USE_AS_STRNCASECMP_L
pcmpistri $0x1a, (%rsi,%rdx), %xmm0
# else
movdqa (%rsi,%rdx), %xmm1
@ -1332,7 +1392,7 @@ LABEL(loop_ashr_11_use_sse4_2):
pcmpistri $0x1a, %xmm1, %xmm0
# endif
jbe LABEL(use_sse4_2_exit)
#ifdef USE_AS_STRNCMP
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
sub $16, %r11
jbe LABEL(strcmp_exitz_sse4_2)
# endif
@ -1343,7 +1403,7 @@ LABEL(loop_ashr_11_use_sse4_2):
movdqa (%rdi, %rdx), %xmm0
palignr $11, -16(%rdi, %rdx), %xmm0
#ifndef USE_AS_STRCASECMP_L
# if !defined USE_AS_STRCASECMP_L && !defined USE_AS_STRNCASECMP_L
pcmpistri $0x1a, (%rsi,%rdx), %xmm0
# else
movdqa (%rsi,%rdx), %xmm1
@ -1351,7 +1411,7 @@ LABEL(loop_ashr_11_use_sse4_2):
pcmpistri $0x1a, %xmm1, %xmm0
# endif
jbe LABEL(use_sse4_2_exit)
#ifdef USE_AS_STRNCMP
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
sub $16, %r11
jbe LABEL(strcmp_exitz_sse4_2)
# endif
@ -1364,7 +1424,7 @@ LABEL(nibble_ashr_11_use_sse4_2):
movdqa -16(%rdi, %rdx), %xmm0
psrldq $11, %xmm0
pcmpistri $0x3a,%xmm0, %xmm0
#ifdef USE_AS_STRNCMP
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
cmp %r11, %rcx
jae LABEL(nibble_ashr_use_sse4_2_exit)
# endif
@ -1417,7 +1477,7 @@ LABEL(loop_ashr_12_use_sse4_2):
movdqa (%rdi, %rdx), %xmm0
palignr $12, -16(%rdi, %rdx), %xmm0
#ifndef USE_AS_STRCASECMP_L
# if !defined USE_AS_STRCASECMP_L && !defined USE_AS_STRNCASECMP_L
pcmpistri $0x1a, (%rsi,%rdx), %xmm0
# else
movdqa (%rsi,%rdx), %xmm1
@ -1425,7 +1485,7 @@ LABEL(loop_ashr_12_use_sse4_2):
pcmpistri $0x1a, %xmm1, %xmm0
# endif
jbe LABEL(use_sse4_2_exit)
#ifdef USE_AS_STRNCMP
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
sub $16, %r11
jbe LABEL(strcmp_exitz_sse4_2)
# endif
@ -1436,7 +1496,7 @@ LABEL(loop_ashr_12_use_sse4_2):
movdqa (%rdi, %rdx), %xmm0
palignr $12, -16(%rdi, %rdx), %xmm0
#ifndef USE_AS_STRCASECMP_L
# if !defined USE_AS_STRCASECMP_L && !defined USE_AS_STRNCASECMP_L
pcmpistri $0x1a, (%rsi,%rdx), %xmm0
# else
movdqa (%rsi,%rdx), %xmm1
@ -1444,7 +1504,7 @@ LABEL(loop_ashr_12_use_sse4_2):
pcmpistri $0x1a, %xmm1, %xmm0
# endif
jbe LABEL(use_sse4_2_exit)
#ifdef USE_AS_STRNCMP
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
sub $16, %r11
jbe LABEL(strcmp_exitz_sse4_2)
# endif
@ -1457,7 +1517,7 @@ LABEL(nibble_ashr_12_use_sse4_2):
movdqa -16(%rdi, %rdx), %xmm0
psrldq $12, %xmm0
pcmpistri $0x3a,%xmm0, %xmm0
#ifdef USE_AS_STRNCMP
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
cmp %r11, %rcx
jae LABEL(nibble_ashr_use_sse4_2_exit)
# endif
@ -1511,7 +1571,7 @@ LABEL(loop_ashr_13_use_sse4_2):
movdqa (%rdi, %rdx), %xmm0
palignr $13, -16(%rdi, %rdx), %xmm0
#ifndef USE_AS_STRCASECMP_L
# if !defined USE_AS_STRCASECMP_L && !defined USE_AS_STRNCASECMP_L
pcmpistri $0x1a, (%rsi,%rdx), %xmm0
# else
movdqa (%rsi,%rdx), %xmm1
@ -1519,7 +1579,7 @@ LABEL(loop_ashr_13_use_sse4_2):
pcmpistri $0x1a, %xmm1, %xmm0
# endif
jbe LABEL(use_sse4_2_exit)
#ifdef USE_AS_STRNCMP
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
sub $16, %r11
jbe LABEL(strcmp_exitz_sse4_2)
# endif
@ -1530,7 +1590,7 @@ LABEL(loop_ashr_13_use_sse4_2):
movdqa (%rdi, %rdx), %xmm0
palignr $13, -16(%rdi, %rdx), %xmm0
#ifndef USE_AS_STRCASECMP_L
# if !defined USE_AS_STRCASECMP_L && !defined USE_AS_STRNCASECMP_L
pcmpistri $0x1a, (%rsi,%rdx), %xmm0
# else
movdqa (%rsi,%rdx), %xmm1
@ -1538,7 +1598,7 @@ LABEL(loop_ashr_13_use_sse4_2):
pcmpistri $0x1a, %xmm1, %xmm0
# endif
jbe LABEL(use_sse4_2_exit)
#ifdef USE_AS_STRNCMP
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
sub $16, %r11
jbe LABEL(strcmp_exitz_sse4_2)
# endif
@ -1551,7 +1611,7 @@ LABEL(nibble_ashr_13_use_sse4_2):
movdqa -16(%rdi, %rdx), %xmm0
psrldq $13, %xmm0
pcmpistri $0x3a,%xmm0, %xmm0
#ifdef USE_AS_STRNCMP
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
cmp %r11, %rcx
jae LABEL(nibble_ashr_use_sse4_2_exit)
# endif
@ -1605,7 +1665,7 @@ LABEL(loop_ashr_14_use_sse4_2):
movdqa (%rdi, %rdx), %xmm0
palignr $14, -16(%rdi, %rdx), %xmm0
#ifndef USE_AS_STRCASECMP_L
# if !defined USE_AS_STRCASECMP_L && !defined USE_AS_STRNCASECMP_L
pcmpistri $0x1a, (%rsi,%rdx), %xmm0
# else
movdqa (%rsi,%rdx), %xmm1
@ -1613,7 +1673,7 @@ LABEL(loop_ashr_14_use_sse4_2):
pcmpistri $0x1a, %xmm1, %xmm0
# endif
jbe LABEL(use_sse4_2_exit)
#ifdef USE_AS_STRNCMP
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
sub $16, %r11
jbe LABEL(strcmp_exitz_sse4_2)
# endif
@ -1624,7 +1684,7 @@ LABEL(loop_ashr_14_use_sse4_2):
movdqa (%rdi, %rdx), %xmm0
palignr $14, -16(%rdi, %rdx), %xmm0
#ifndef USE_AS_STRCASECMP_L
# if !defined USE_AS_STRCASECMP_L && !defined USE_AS_STRNCASECMP_L
pcmpistri $0x1a, (%rsi,%rdx), %xmm0
# else
movdqa (%rsi,%rdx), %xmm1
@ -1632,7 +1692,7 @@ LABEL(loop_ashr_14_use_sse4_2):
pcmpistri $0x1a, %xmm1, %xmm0
# endif
jbe LABEL(use_sse4_2_exit)
#ifdef USE_AS_STRNCMP
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
sub $16, %r11
jbe LABEL(strcmp_exitz_sse4_2)
# endif
@ -1645,7 +1705,7 @@ LABEL(nibble_ashr_14_use_sse4_2):
movdqa -16(%rdi, %rdx), %xmm0
psrldq $14, %xmm0
pcmpistri $0x3a,%xmm0, %xmm0
#ifdef USE_AS_STRNCMP
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
cmp %r11, %rcx
jae LABEL(nibble_ashr_use_sse4_2_exit)
# endif
@ -1701,7 +1761,7 @@ LABEL(loop_ashr_15_use_sse4_2):
movdqa (%rdi, %rdx), %xmm0
palignr $15, -16(%rdi, %rdx), %xmm0
#ifndef USE_AS_STRCASECMP_L
# if !defined USE_AS_STRCASECMP_L && !defined USE_AS_STRNCASECMP_L
pcmpistri $0x1a, (%rsi,%rdx), %xmm0
# else
movdqa (%rsi,%rdx), %xmm1
@ -1709,7 +1769,7 @@ LABEL(loop_ashr_15_use_sse4_2):
pcmpistri $0x1a, %xmm1, %xmm0
# endif
jbe LABEL(use_sse4_2_exit)
#ifdef USE_AS_STRNCMP
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
sub $16, %r11
jbe LABEL(strcmp_exitz_sse4_2)
# endif
@ -1720,7 +1780,7 @@ LABEL(loop_ashr_15_use_sse4_2):
movdqa (%rdi, %rdx), %xmm0
palignr $15, -16(%rdi, %rdx), %xmm0
#ifndef USE_AS_STRCASECMP_L
# if !defined USE_AS_STRCASECMP_L && !defined USE_AS_STRNCASECMP_L
pcmpistri $0x1a, (%rsi,%rdx), %xmm0
# else
movdqa (%rsi,%rdx), %xmm1
@ -1728,7 +1788,7 @@ LABEL(loop_ashr_15_use_sse4_2):
pcmpistri $0x1a, %xmm1, %xmm0
# endif
jbe LABEL(use_sse4_2_exit)
#ifdef USE_AS_STRNCMP
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
sub $16, %r11
jbe LABEL(strcmp_exitz_sse4_2)
# endif
@ -1741,7 +1801,7 @@ LABEL(nibble_ashr_15_use_sse4_2):
movdqa -16(%rdi, %rdx), %xmm0
psrldq $15, %xmm0
pcmpistri $0x3a,%xmm0, %xmm0
#ifdef USE_AS_STRNCMP
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
cmp %r11, %rcx
jae LABEL(nibble_ashr_use_sse4_2_exit)
# endif
@ -1753,7 +1813,7 @@ LABEL(nibble_ashr_use_sse4_2_exit):
.p2align 4
LABEL(use_sse4_2_exit):
jnc LABEL(strcmp_exitz_sse4_2)
#ifdef USE_AS_STRNCMP
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
sub %rcx, %r11
jbe LABEL(strcmp_exitz_sse4_2)
# endif
@ -1765,7 +1825,7 @@ LABEL(use_sse4_2_exit):
jz LABEL(use_sse4_2_ret_sse4_2)
xchg %eax, %edx
LABEL(use_sse4_2_ret_sse4_2):
# ifdef USE_AS_STRCASECMP_L
# if defined USE_AS_STRCASECMP_L || defined USE_AS_STRNCASECMP_L
leaq _nl_C_LC_CTYPE_tolower+128*4(%rip), %rcx
movl (%rcx,%rdx,4), %edx
movl (%rcx,%rax,4), %eax
@ -1786,14 +1846,14 @@ LABEL(ret_sse4_2):
LABEL(less16bytes_sse4_2):
bsf %rdx, %rdx /* find and store bit index in %rdx */
#ifdef USE_AS_STRNCMP
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
sub %rdx, %r11
jbe LABEL(strcmp_exitz_sse4_2)
# endif
movzbl (%rsi, %rdx), %ecx
movzbl (%rdi, %rdx), %eax
# ifdef USE_AS_STRCASECMP_L
# if defined USE_AS_STRCASECMP_L || defined USE_AS_STRNCASECMP_L
leaq _nl_C_LC_CTYPE_tolower+128*4(%rip), %rdx
movl (%rdx,%rcx,4), %ecx
movl (%rdx,%rax,4), %eax
@ -1812,7 +1872,7 @@ LABEL(Byte0_sse4_2):
movzx (%rsi), %ecx
movzx (%rdi), %eax
# ifdef USE_AS_STRCASECMP_L
# if defined USE_AS_STRCASECMP_L || defined USE_AS_STRNCASECMP_L
leaq _nl_C_LC_CTYPE_tolower+128*4(%rip), %rdx
movl (%rdx,%rcx,4), %ecx
movl (%rdx,%rax,4), %eax
@ -1870,6 +1930,16 @@ LABEL(unaligned_table_sse4_2):
cfi_endproc; .size __strcasecmp_sse2, .-__strcasecmp_sse2
# endif
# ifdef USE_AS_STRNCASECMP_L
# define ENTRY2(name) \
.type __strncasecmp_sse2, @function; \
.align 16; \
__strncasecmp_sse2: cfi_startproc; \
CALL_MCOUNT
# define END2(name) \
cfi_endproc; .size __strncasecmp_sse2, .-__strncasecmp_sse2
# endif
# undef libc_hidden_builtin_def
/* It doesn't make sense to send libc-internal strcmp calls through a PLT.
The speedup we get from using SSE4.2 instruction is likely eaten away

6
sysdeps/x86_64/multiarch/strncase_l-ssse3.S Normal file
View File

@ -0,0 +1,6 @@
#define USE_SSSE3 1
#define USE_AS_STRNCASECMP_L
#define NO_NOLOCALE_ALIAS
#define STRCMP __strncasecmp_l_ssse3
#define __strncasecmp __strncasecmp_ssse3
#include "../strcmp.S"

6
sysdeps/x86_64/multiarch/strncase_l.S Normal file
View File

@ -0,0 +1,6 @@
#define STRCMP __strncasecmp_l
#define USE_AS_STRNCASECMP_L
#include "strcmp.S"
weak_alias (__strncasecmp_l, strncasecmp_l)
libc_hidden_def (strncasecmp_l)

3
sysdeps/x86_64/strcasecmp_l-nonascii.c
View File

@ -1,5 +1,8 @@
#include <string.h>
extern int __strcasecmp_l_nonascii (__const char *__s1, __const char *__s2,
__locale_t __loc);
#define __strcasecmp_l __strcasecmp_l_nonascii
#define USE_IN_EXTENDED_LOCALE_MODEL 1
#include <string/strcasecmp.c>

161
sysdeps/x86_64/strcmp.S
View File

@ -60,10 +60,26 @@
# endif
# define UPDATE_STRNCMP_COUNTER
#elif defined USE_AS_STRNCASECMP_L
# include "locale-defines.h"
/* No support for strncasecmp outside libc so far since it is not needed. */
# ifdef NOT_IN_lib
# error "strncasecmp_l not implemented so far"
# endif
# define UPDATE_STRNCMP_COUNTER \
/* calculate left number to compare */ \
lea -16(%rcx, %r11), %r9; \
cmp %r9, %r11; \
jb LABEL(strcmp_exitz); \
test %r9, %r9; \
je LABEL(strcmp_exitz); \
mov %r9, %r11
#else
# define UPDATE_STRNCMP_COUNTER
# ifndef STRCMP
# define STRCMP strcmp
# define STRCMP strncasecmp
# endif
#endif
@ -92,6 +108,25 @@ weak_alias (__strcasecmp, strcasecmp)
libc_hidden_def (__strcasecmp)
# endif
/* FALLTHROUGH to strcasecmp_l. */
#elif defined USE_AS_STRNCASECMP_L
# ifndef ENTRY2
# define ENTRY2(name) ENTRY (name)
# define END2(name) END (name)
# endif
ENTRY2 (__strncasecmp)
movq __libc_tsd_LOCALE@gottpoff(%rip),%rax
movq %fs:(%rax),%r10
// XXX 5 byte should be before the function
/* 5-byte NOP. */
.byte 0x0f,0x1f,0x44,0x00,0x00
END2 (__strncasecmp)
# ifndef NO_NOLOCALE_ALIAS
weak_alias (__strncasecmp, strncasecmp)
libc_hidden_def (__strncasecmp)
# endif
/* FALLTHROUGH to strncasecmp_l. */
#endif
ENTRY (BP_SYM (STRCMP))
@ -124,12 +159,22 @@ END (BP_SYM (STRCMP))
# endif
testl $0, LOCALE_DATA_VALUES+_NL_CTYPE_NONASCII_CASE*SIZEOF_VALUES(%rax)
jne __strcasecmp_l_nonascii
# elif defined USE_AS_STRNCASECMP_L
/* We have to fall back on the C implementation for locales
with encodings not matching ASCII for single bytes. */
# if LOCALE_T___LOCALES != 0 || LC_CTYPE != 0
movq LOCALE_T___LOCALES+LC_CTYPE*8(%r10), %rax
# else
movq (%r10), %rax
# endif
testl $0, LOCALE_DATA_VALUES+_NL_CTYPE_NONASCII_CASE*SIZEOF_VALUES(%rax)
jne __strncasecmp_l_nonascii
# endif
/*
* This implementation uses SSE to compare up to 16 bytes at a time.
*/
# ifdef USE_AS_STRNCMP
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
test %rdx, %rdx
je LABEL(strcmp_exitz)
cmp $1, %rdx
@ -141,7 +186,7 @@ END (BP_SYM (STRCMP))
/* Use 64bit AND here to avoid long NOP padding. */
and $0x3f, %rcx /* rsi alignment in cache line */
and $0x3f, %rax /* rdi alignment in cache line */
# ifdef USE_AS_STRCASECMP_L
# if defined USE_AS_STRCASECMP_L || defined USE_AS_STRNCASECMP_L
.section .rodata.cst16,"aM",@progbits,16
.align 16
.Lbelowupper:
@ -169,7 +214,7 @@ END (BP_SYM (STRCMP))
movlpd (%rsi), %xmm2
movhpd 8(%rdi), %xmm1
movhpd 8(%rsi), %xmm2
# ifdef USE_AS_STRCASECMP_L
# if defined USE_AS_STRCASECMP_L || defined USE_AS_STRNCASECMP_L
# define TOLOWER(reg1, reg2) \
movdqa reg1, %xmm8; \
movdqa UCHIGH_reg, %xmm9; \
@ -196,7 +241,7 @@ END (BP_SYM (STRCMP))
pmovmskb %xmm1, %edx
sub $0xffff, %edx /* if first 16 bytes are same, edx == 0xffff */
jnz LABEL(less16bytes) /* If not, find different value or null char */
# ifdef USE_AS_STRNCMP
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
sub $16, %r11
jbe LABEL(strcmp_exitz) /* finish comparision */
# endif
@ -241,7 +286,7 @@ LABEL(ashr_0):
movdqa (%rsi), %xmm1
pxor %xmm0, %xmm0 /* clear %xmm0 for null char check */
pcmpeqb %xmm1, %xmm0 /* Any null chars? */
# ifndef USE_AS_STRCASECMP_L
# if !defined USE_AS_STRCASECMP_L && !defined USE_AS_STRNCASECMP_L
pcmpeqb (%rdi), %xmm1 /* compare 16 bytes for equality */
# else
movdqa (%rdi), %xmm2
@ -280,7 +325,7 @@ LABEL(loop_ashr_0):
sub $0xffff, %edx
jnz LABEL(exit) /* mismatch or null char seen */
# ifdef USE_AS_STRNCMP
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
sub $16, %r11
jbe LABEL(strcmp_exitz)
# endif
@ -295,7 +340,7 @@ LABEL(loop_ashr_0):
pmovmskb %xmm1, %edx
sub $0xffff, %edx
jnz LABEL(exit)
# ifdef USE_AS_STRNCMP
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
sub $16, %r11
jbe LABEL(strcmp_exitz)
# endif
@ -363,7 +408,7 @@ LABEL(gobble_ashr_1):
sub $0xffff, %edx
jnz LABEL(exit)
# ifdef USE_AS_STRNCMP
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
sub $16, %r11
jbe LABEL(strcmp_exitz)
# endif
@ -393,7 +438,7 @@ LABEL(gobble_ashr_1):
sub $0xffff, %edx
jnz LABEL(exit)
# ifdef USE_AS_STRNCMP
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
sub $16, %r11
jbe LABEL(strcmp_exitz)
# endif
@ -412,7 +457,7 @@ LABEL(nibble_ashr_1):
test $0xfffe, %edx
jnz LABEL(ashr_1_exittail) /* find null char*/
# ifdef USE_AS_STRNCMP
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
cmp $14, %r11
jbe LABEL(ashr_1_exittail)
# endif
@ -493,7 +538,7 @@ LABEL(gobble_ashr_2):
sub $0xffff, %edx
jnz LABEL(exit)
# ifdef USE_AS_STRNCMP
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
sub $16, %r11
jbe LABEL(strcmp_exitz)
# endif
@ -524,7 +569,7 @@ LABEL(gobble_ashr_2):
sub $0xffff, %edx
jnz LABEL(exit)
# ifdef USE_AS_STRNCMP
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
sub $16, %r11
jbe LABEL(strcmp_exitz)
# endif
@ -540,7 +585,7 @@ LABEL(nibble_ashr_2):
test $0xfffc, %edx
jnz LABEL(ashr_2_exittail)
# ifdef USE_AS_STRNCMP
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
cmp $13, %r11
jbe LABEL(ashr_2_exittail)
# endif
@ -618,7 +663,7 @@ LABEL(gobble_ashr_3):
sub $0xffff, %edx
jnz LABEL(exit)
# ifdef USE_AS_STRNCMP
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
sub $16, %r11
jbe LABEL(strcmp_exitz)
# endif
@ -649,7 +694,7 @@ LABEL(gobble_ashr_3):
sub $0xffff, %edx
jnz LABEL(exit)
# ifdef USE_AS_STRNCMP
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
sub $16, %r11
jbe LABEL(strcmp_exitz)
# endif
@ -665,7 +710,7 @@ LABEL(nibble_ashr_3):
test $0xfff8, %edx
jnz LABEL(ashr_3_exittail)
# ifdef USE_AS_STRNCMP
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
cmp $12, %r11
jbe LABEL(ashr_3_exittail)
# endif
@ -743,7 +788,7 @@ LABEL(gobble_ashr_4):
sub $0xffff, %edx
jnz LABEL(exit)
# ifdef USE_AS_STRNCMP
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
sub $16, %r11
jbe LABEL(strcmp_exitz)
# endif
@ -774,7 +819,7 @@ LABEL(gobble_ashr_4):
sub $0xffff, %edx
jnz LABEL(exit)
# ifdef USE_AS_STRNCMP
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
sub $16, %r11
jbe LABEL(strcmp_exitz)
# endif
@ -790,7 +835,7 @@ LABEL(nibble_ashr_4):
test $0xfff0, %edx
jnz LABEL(ashr_4_exittail)
# ifdef USE_AS_STRNCMP
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
cmp $11, %r11
jbe LABEL(ashr_4_exittail)
# endif
@ -868,7 +913,7 @@ LABEL(gobble_ashr_5):
sub $0xffff, %edx
jnz LABEL(exit)
# ifdef USE_AS_STRNCMP
# if defined USE_AS_STRNCMP || defined USE_AS_STRCASECMP_L
sub $16, %r11
jbe LABEL(strcmp_exitz)
# endif
@ -899,7 +944,7 @@ LABEL(gobble_ashr_5):
sub $0xffff, %edx
jnz LABEL(exit)
# ifdef USE_AS_STRNCMP
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
sub $16, %r11
jbe LABEL(strcmp_exitz)
# endif
@ -915,7 +960,7 @@ LABEL(nibble_ashr_5):
test $0xffe0, %edx
jnz LABEL(ashr_5_exittail)
# ifdef USE_AS_STRNCMP
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
cmp $10, %r11
jbe LABEL(ashr_5_exittail)
# endif
@ -993,7 +1038,7 @@ LABEL(gobble_ashr_6):
sub $0xffff, %edx
jnz LABEL(exit)
# ifdef USE_AS_STRNCMP
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
sub $16, %r11
jbe LABEL(strcmp_exitz)
# endif
@ -1024,7 +1069,7 @@ LABEL(gobble_ashr_6):
sub $0xffff, %edx
jnz LABEL(exit)
# ifdef USE_AS_STRNCMP
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
sub $16, %r11
jbe LABEL(strcmp_exitz)
# endif
@ -1040,7 +1085,7 @@ LABEL(nibble_ashr_6):
test $0xffc0, %edx
jnz LABEL(ashr_6_exittail)
# ifdef USE_AS_STRNCMP
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
cmp $9, %r11
jbe LABEL(ashr_6_exittail)
# endif
@ -1118,7 +1163,7 @@ LABEL(gobble_ashr_7):
sub $0xffff, %edx
jnz LABEL(exit)
# ifdef USE_AS_STRNCMP
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
sub $16, %r11
jbe LABEL(strcmp_exitz)
# endif
@ -1149,7 +1194,7 @@ LABEL(gobble_ashr_7):
sub $0xffff, %edx
jnz LABEL(exit)
# ifdef USE_AS_STRNCMP
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
sub $16, %r11
jbe LABEL(strcmp_exitz)
# endif
@ -1165,7 +1210,7 @@ LABEL(nibble_ashr_7):
test $0xff80, %edx
jnz LABEL(ashr_7_exittail)
# ifdef USE_AS_STRNCMP
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
cmp $8, %r11
jbe LABEL(ashr_7_exittail)
# endif
@ -1243,7 +1288,7 @@ LABEL(gobble_ashr_8):
sub $0xffff, %edx
jnz LABEL(exit)
# ifdef USE_AS_STRNCMP
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
sub $16, %r11
jbe LABEL(strcmp_exitz)
# endif
@ -1274,7 +1319,7 @@ LABEL(gobble_ashr_8):
sub $0xffff, %edx
jnz LABEL(exit)
# ifdef USE_AS_STRNCMP
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
sub $16, %r11
jbe LABEL(strcmp_exitz)
# endif
@ -1290,7 +1335,7 @@ LABEL(nibble_ashr_8):
test $0xff00, %edx
jnz LABEL(ashr_8_exittail)
# ifdef USE_AS_STRNCMP
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
cmp $7, %r11
jbe LABEL(ashr_8_exittail)
# endif
@ -1368,7 +1413,7 @@ LABEL(gobble_ashr_9):
sub $0xffff, %edx
jnz LABEL(exit)
# ifdef USE_AS_STRNCMP
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
sub $16, %r11
jbe LABEL(strcmp_exitz)
# endif
@ -1399,7 +1444,7 @@ LABEL(gobble_ashr_9):
sub $0xffff, %edx
jnz LABEL(exit)
# ifdef USE_AS_STRNCMP
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
sub $16, %r11
jbe LABEL(strcmp_exitz)
# endif
@ -1415,7 +1460,7 @@ LABEL(nibble_ashr_9):
test $0xfe00, %edx
jnz LABEL(ashr_9_exittail)
# ifdef USE_AS_STRNCMP
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
cmp $6, %r11
jbe LABEL(ashr_9_exittail)
# endif
@ -1493,7 +1538,7 @@ LABEL(gobble_ashr_10):
sub $0xffff, %edx
jnz LABEL(exit)
# ifdef USE_AS_STRNCMP
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
sub $16, %r11
jbe LABEL(strcmp_exitz)
# endif
@ -1524,7 +1569,7 @@ LABEL(gobble_ashr_10):
sub $0xffff, %edx
jnz LABEL(exit)
# ifdef USE_AS_STRNCMP
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
sub $16, %r11
jbe LABEL(strcmp_exitz)
# endif
@ -1540,7 +1585,7 @@ LABEL(nibble_ashr_10):
test $0xfc00, %edx
jnz LABEL(ashr_10_exittail)
# ifdef USE_AS_STRNCMP
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
cmp $5, %r11
jbe LABEL(ashr_10_exittail)
# endif
@ -1618,7 +1663,7 @@ LABEL(gobble_ashr_11):
sub $0xffff, %edx
jnz LABEL(exit)
# ifdef USE_AS_STRNCMP
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
sub $16, %r11
jbe LABEL(strcmp_exitz)
# endif
@ -1649,7 +1694,7 @@ LABEL(gobble_ashr_11):
sub $0xffff, %edx
jnz LABEL(exit)
# ifdef USE_AS_STRNCMP
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
sub $16, %r11
jbe LABEL(strcmp_exitz)
# endif
@ -1665,7 +1710,7 @@ LABEL(nibble_ashr_11):
test $0xf800, %edx
jnz LABEL(ashr_11_exittail)
# ifdef USE_AS_STRNCMP
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
cmp $4, %r11
jbe LABEL(ashr_11_exittail)
# endif
@ -1743,7 +1788,7 @@ LABEL(gobble_ashr_12):
sub $0xffff, %edx
jnz LABEL(exit)
# ifdef USE_AS_STRNCMP
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
sub $16, %r11
jbe LABEL(strcmp_exitz)
# endif
@ -1774,7 +1819,7 @@ LABEL(gobble_ashr_12):
sub $0xffff, %edx
jnz LABEL(exit)
# ifdef USE_AS_STRNCMP
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
sub $16, %r11
jbe LABEL(strcmp_exitz)
# endif
@ -1790,7 +1835,7 @@ LABEL(nibble_ashr_12):
test $0xf000, %edx
jnz LABEL(ashr_12_exittail)
# ifdef USE_AS_STRNCMP
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
cmp $3, %r11
jbe LABEL(ashr_12_exittail)
# endif
@ -1868,7 +1913,7 @@ LABEL(gobble_ashr_13):
sub $0xffff, %edx
jnz LABEL(exit)
# ifdef USE_AS_STRNCMP
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
sub $16, %r11
jbe LABEL(strcmp_exitz)
# endif
@ -1899,7 +1944,7 @@ LABEL(gobble_ashr_13):
sub $0xffff, %edx
jnz LABEL(exit)
# ifdef USE_AS_STRNCMP
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
sub $16, %r11
jbe LABEL(strcmp_exitz)
# endif
@ -1915,7 +1960,7 @@ LABEL(nibble_ashr_13):
test $0xe000, %edx
jnz LABEL(ashr_13_exittail)
# ifdef USE_AS_STRNCMP
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
cmp $2, %r11
jbe LABEL(ashr_13_exittail)
# endif
@ -1993,7 +2038,7 @@ LABEL(gobble_ashr_14):
sub $0xffff, %edx
jnz LABEL(exit)
# ifdef USE_AS_STRNCMP
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
sub $16, %r11
jbe LABEL(strcmp_exitz)
# endif
@ -2024,7 +2069,7 @@ LABEL(gobble_ashr_14):
sub $0xffff, %edx
jnz LABEL(exit)
# ifdef USE_AS_STRNCMP
# if defined USE_AS_STRNCMP | defined USE_AS_STRNCASECMP_L
sub $16, %r11
jbe LABEL(strcmp_exitz)
# endif
@ -2040,7 +2085,7 @@ LABEL(nibble_ashr_14):
test $0xc000, %edx
jnz LABEL(ashr_14_exittail)
# ifdef USE_AS_STRNCMP
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
cmp $1, %r11
jbe LABEL(ashr_14_exittail)
# endif
@ -2120,7 +2165,7 @@ LABEL(gobble_ashr_15):
sub $0xffff, %edx
jnz LABEL(exit)
# ifdef USE_AS_STRNCMP
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
sub $16, %r11
jbe LABEL(strcmp_exitz)
# endif
@ -2151,7 +2196,7 @@ LABEL(gobble_ashr_15):
sub $0xffff, %edx
jnz LABEL(exit)
# ifdef USE_AS_STRNCMP
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
sub $16, %r11
jbe LABEL(strcmp_exitz)
# endif
@ -2167,7 +2212,7 @@ LABEL(nibble_ashr_15):
test $0x8000, %edx
jnz LABEL(ashr_15_exittail)
# ifdef USE_AS_STRNCMP
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
test %r11, %r11
je LABEL(ashr_15_exittail)
# endif
@ -2205,14 +2250,14 @@ LABEL(ret):
LABEL(less16bytes):
bsf %rdx, %rdx /* find and store bit index in %rdx */
# ifdef USE_AS_STRNCMP
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
sub %rdx, %r11
jbe LABEL(strcmp_exitz)
# endif
movzbl (%rsi, %rdx), %ecx
movzbl (%rdi, %rdx), %eax
# ifdef USE_AS_STRCASECMP_L
# if defined USE_AS_STRCASECMP_L || defined USE_AS_STRNCASECMP_L
leaq _nl_C_LC_CTYPE_tolower+128*4(%rip), %rdx
movl (%rdx,%rcx,4), %ecx
movl (%rdx,%rax,4), %eax
@ -2230,6 +2275,12 @@ LABEL(Byte0):
movzx (%rsi), %ecx
movzx (%rdi), %eax
# if defined USE_AS_STRCASECMP_L || defined USE_AS_STRNCASECMP_L
leaq _nl_C_LC_CTYPE_tolower+128*4(%rip), %rdx
movl (%rdx,%rcx,4), %ecx
movl (%rdx,%rax,4), %eax
# endif
sub %ecx, %eax
ret
END (BP_SYM (STRCMP))

1
sysdeps/x86_64/strncase.S Normal file
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@ -0,0 +1 @@
/* In strncase_l.S. */

8
sysdeps/x86_64/strncase_l-nonascii.c Normal file
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@ -0,0 +1,8 @@
#include <string.h>
extern int __strncasecmp_l_nonascii (__const char *__s1, __const char *__s2,
size_t __n, __locale_t __loc);
#define __strncasecmp_l __strncasecmp_l_nonascii
#define USE_IN_EXTENDED_LOCALE_MODEL 1
#include <string/strncase.c>

6
sysdeps/x86_64/strncase_l.S Normal file
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@ -0,0 +1,6 @@
#define STRCMP __strncasecmp_l
#define USE_AS_STRNCASECMP_L
#include "strcmp.S"
weak_alias (__strncasecmp_l, strncasecmp_l)
libc_hidden_def (strncasecmp_l)