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|
/* strcmp with SSE4.2
Copyright (C) 2010-2020 Free Software Foundation, Inc.
Contributed by Intel Corporation.
This file is part of the GNU C Library.
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, see
<https://www.gnu.org/licenses/>. */
#if IS_IN (libc)
#include <sysdep.h>
#include "asm-syntax.h"
#define CFI_PUSH(REG) \
cfi_adjust_cfa_offset (4); \
cfi_rel_offset (REG, 0)
#define CFI_POP(REG) \
cfi_adjust_cfa_offset (-4); \
cfi_restore (REG)
#define PUSH(REG) pushl REG; CFI_PUSH (REG)
#define POP(REG) popl REG; CFI_POP (REG)
#ifdef USE_AS_STRNCMP
# ifndef STRCMP
# define STRCMP __strncmp_sse4_2
# endif
# define STR1 8
# define STR2 STR1+4
# define CNT STR2+4
# define RETURN POP (REM); ret; .p2align 4; CFI_PUSH (REM)
# define REM %ebp
#elif defined USE_AS_STRCASECMP_L
# include "locale-defines.h"
# ifndef STRCMP
# define STRCMP __strcasecmp_l_sse4_2
# endif
# ifdef PIC
# define STR1 12
# else
# define STR1 8
# endif
# define STR2 STR1+4
# define LOCALE 12 /* Loaded before the adjustment. */
# ifdef PIC
# define RETURN POP (%edi); POP (%ebx); ret; \
.p2align 4; CFI_PUSH (%ebx); CFI_PUSH (%edi)
# else
# define RETURN POP (%edi); ret; .p2align 4; CFI_PUSH (%edi)
# endif
# define NONASCII __strcasecmp_nonascii
#elif defined USE_AS_STRNCASECMP_L
# include "locale-defines.h"
# ifndef STRCMP
# define STRCMP __strncasecmp_l_sse4_2
# endif
# ifdef PIC
# define STR1 16
# else
# define STR1 12
# endif
# define STR2 STR1+4
# define CNT STR2+4
# define LOCALE 16 /* Loaded before the adjustment. */
# ifdef PIC
# define RETURN POP (%edi); POP (REM); POP (%ebx); ret; \
.p2align 4; \
CFI_PUSH (%ebx); CFI_PUSH (REM); CFI_PUSH (%edi)
# else
# define RETURN POP (%edi); POP (REM); ret; \
.p2align 4; CFI_PUSH (REM); CFI_PUSH (%edi)
# endif
# define REM %ebp
# define NONASCII __strncasecmp_nonascii
#else
# ifndef STRCMP
# define STRCMP __strcmp_sse4_2
# endif
# define STR1 4
# define STR2 STR1+4
# define RETURN ret; .p2align 4
#endif
.section .text.sse4.2,"ax",@progbits
#ifdef USE_AS_STRCASECMP_L
ENTRY (__strcasecmp_sse4_2)
# ifdef PIC
PUSH (%ebx)
LOAD_PIC_REG(bx)
movl __libc_tsd_LOCALE@GOTNTPOFF(%ebx), %eax
# ifdef NO_TLS_DIRECT_SEG_REFS
addl %gs:0, %eax
movl (%eax), %eax
# else
movl %gs:(%eax), %eax
# endif
# else
# ifdef NO_TLS_DIRECT_SEG_REFS
movl %gs:0, %eax
movl __libc_tsd_LOCALE@NTPOFF(%eax), %eax
# else
movl %gs:__libc_tsd_LOCALE@NTPOFF, %eax
# endif
# endif
# if LOCALE_T___LOCALES != 0 || LC_CTYPE != 0
movl LOCALE_T___LOCALES+LC_CTYPE*4(%eax), %eax
# else
movl (%eax), %eax
# endif
testl $1, LOCALE_DATA_VALUES+_NL_CTYPE_NONASCII_CASE*SIZEOF_VALUES(%eax)
# ifdef PIC
je L(ascii)
POP (%ebx)
jmp __strcasecmp_nonascii
# else
jne __strcasecmp_nonascii
jmp L(ascii)
# endif
END (__strcasecmp_sse4_2)
#endif
#ifdef USE_AS_STRNCASECMP_L
ENTRY (__strncasecmp_sse4_2)
# ifdef PIC
PUSH (%ebx)
LOAD_PIC_REG(bx)
movl __libc_tsd_LOCALE@GOTNTPOFF(%ebx), %eax
# ifdef NO_TLS_DIRECT_SEG_REFS
addl %gs:0, %eax
movl (%eax), %eax
# else
movl %gs:(%eax), %eax
# endif
# else
# ifdef NO_TLS_DIRECT_SEG_REFS
movl %gs:0, %eax
movl __libc_tsd_LOCALE@NTPOFF(%eax), %eax
# else
movl %gs:__libc_tsd_LOCALE@NTPOFF, %eax
# endif
# endif
# if LOCALE_T___LOCALES != 0 || LC_CTYPE != 0
movl LOCALE_T___LOCALES+LC_CTYPE*4(%eax), %eax
# else
movl (%eax), %eax
# endif
testl $1, LOCALE_DATA_VALUES+_NL_CTYPE_NONASCII_CASE*SIZEOF_VALUES(%eax)
# ifdef PIC
je L(ascii)
POP (%ebx)
jmp __strncasecmp_nonascii
# else
jne __strncasecmp_nonascii
jmp L(ascii)
# endif
END (__strncasecmp_sse4_2)
#endif
ENTRY (STRCMP)
#if defined USE_AS_STRCASECMP_L || defined USE_AS_STRNCASECMP_L
movl LOCALE(%esp), %eax
# if LOCALE_T___LOCALES != 0 || LC_CTYPE != 0
movl LOCALE_T___LOCALES+LC_CTYPE*4(%eax), %eax
# else
movl (%eax), %eax
# endif
testl $1, LOCALE_DATA_VALUES+_NL_CTYPE_NONASCII_CASE*SIZEOF_VALUES(%eax)
jne NONASCII
# ifdef PIC
PUSH (%ebx)
LOAD_PIC_REG(bx)
# endif
L(ascii):
.section .rodata.cst16,"aM",@progbits,16
.align 16
.Lbelowupper:
.quad 0x4040404040404040
.quad 0x4040404040404040
.Ltopupper:
.quad 0x5b5b5b5b5b5b5b5b
.quad 0x5b5b5b5b5b5b5b5b
.Ltouppermask:
.quad 0x2020202020202020
.quad 0x2020202020202020
.previous
# ifdef PIC
# define UCLOW_reg .Lbelowupper@GOTOFF(%ebx)
# define UCHIGH_reg .Ltopupper@GOTOFF(%ebx)
# define LCQWORD_reg .Ltouppermask@GOTOFF(%ebx)
# else
# define UCLOW_reg .Lbelowupper
# define UCHIGH_reg .Ltopupper
# define LCQWORD_reg .Ltouppermask
# endif
#endif
#if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
PUSH (REM)
#endif
#if defined USE_AS_STRCASECMP_L || defined USE_AS_STRNCASECMP_L
PUSH (%edi)
#endif
mov STR1(%esp), %edx
mov STR2(%esp), %eax
#if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
movl CNT(%esp), REM
test REM, REM
je L(eq)
#endif
mov %dx, %cx
and $0xfff, %cx
cmp $0xff0, %cx
ja L(first4bytes)
movdqu (%edx), %xmm2
mov %eax, %ecx
and $0xfff, %ecx
cmp $0xff0, %ecx
ja L(first4bytes)
#if defined USE_AS_STRCASECMP_L || defined USE_AS_STRNCASECMP_L
# define TOLOWER(reg1, reg2) \
movdqa reg1, %xmm3; \
movdqa UCHIGH_reg, %xmm4; \
movdqa reg2, %xmm5; \
movdqa UCHIGH_reg, %xmm6; \
pcmpgtb UCLOW_reg, %xmm3; \
pcmpgtb reg1, %xmm4; \
pcmpgtb UCLOW_reg, %xmm5; \
pcmpgtb reg2, %xmm6; \
pand %xmm4, %xmm3; \
pand %xmm6, %xmm5; \
pand LCQWORD_reg, %xmm3; \
pand LCQWORD_reg, %xmm5; \
por %xmm3, reg1; \
por %xmm5, reg2
movdqu (%eax), %xmm1
TOLOWER (%xmm2, %xmm1)
movd %xmm2, %ecx
movd %xmm1, %edi
movdqa %xmm2, %xmm3
movdqa %xmm1, %xmm4
cmpl %edi, %ecx
#else
# define TOLOWER(reg1, reg)
movd %xmm2, %ecx
cmp (%eax), %ecx
#endif
jne L(less4bytes)
#if !defined USE_AS_STRCASECMP_L && !defined USE_AS_STRNCASECMP_L
movdqu (%eax), %xmm1
#endif
pxor %xmm2, %xmm1
pxor %xmm0, %xmm0
ptest %xmm1, %xmm0
jnc L(less16bytes)
pcmpeqb %xmm0, %xmm2
ptest %xmm2, %xmm0
jnc L(less16bytes)
#if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
sub $16, REM
jbe L(eq)
#endif
add $16, %edx
add $16, %eax
L(first4bytes):
movzbl (%eax), %ecx
#if defined USE_AS_STRCASECMP_L || defined USE_AS_STRNCASECMP_L
movzbl (%edx), %edi
# ifdef PIC
movl _nl_C_LC_CTYPE_tolower@GOTOFF+128*4(%ebx,%ecx,4), %ecx
movl _nl_C_LC_CTYPE_tolower@GOTOFF+128*4(%ebx,%edi,4), %edi
# else
movl _nl_C_LC_CTYPE_tolower+128*4(,%ecx,4), %ecx
movl _nl_C_LC_CTYPE_tolower+128*4(,%edi,4), %edi
# endif
cmpl %ecx, %edi
#else
cmpb %cl, (%edx)
#endif
jne L(neq)
cmpl $0, %ecx
je L(eq)
#if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
cmp $1, REM
je L(eq)
#endif
movzbl 1(%eax), %ecx
#if defined USE_AS_STRCASECMP_L || defined USE_AS_STRNCASECMP_L
movzbl 1(%edx), %edi
# ifdef PIC
movl _nl_C_LC_CTYPE_tolower@GOTOFF+128*4(%ebx,%ecx,4), %ecx
movl _nl_C_LC_CTYPE_tolower@GOTOFF+128*4(%ebx,%edi,4), %edi
# else
movl _nl_C_LC_CTYPE_tolower+128*4(,%ecx,4), %ecx
movl _nl_C_LC_CTYPE_tolower+128*4(,%edi,4), %edi
# endif
cmpl %ecx, %edi
#else
cmpb %cl, 1(%edx)
#endif
jne L(neq)
cmpl $0, %ecx
je L(eq)
#if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
cmp $2, REM
je L(eq)
#endif
movzbl 2(%eax), %ecx
#if defined USE_AS_STRCASECMP_L || defined USE_AS_STRNCASECMP_L
movzbl 2(%edx), %edi
# ifdef PIC
movl _nl_C_LC_CTYPE_tolower@GOTOFF+128*4(%ebx,%ecx,4), %ecx
movl _nl_C_LC_CTYPE_tolower@GOTOFF+128*4(%ebx,%edi,4), %edi
# else
movl _nl_C_LC_CTYPE_tolower+128*4(,%ecx,4), %ecx
movl _nl_C_LC_CTYPE_tolower+128*4(,%edi,4), %edi
# endif
cmpl %ecx, %edi
#else
cmpb %cl, 2(%edx)
#endif
jne L(neq)
cmpl $0, %ecx
je L(eq)
#if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
cmp $3, REM
je L(eq)
#endif
movzbl 3(%eax), %ecx
#if defined USE_AS_STRCASECMP_L || defined USE_AS_STRNCASECMP_L
movzbl 3(%edx), %edi
# ifdef PIC
movl _nl_C_LC_CTYPE_tolower@GOTOFF+128*4(%ebx,%ecx,4), %ecx
movl _nl_C_LC_CTYPE_tolower@GOTOFF+128*4(%ebx,%edi,4), %edi
# else
movl _nl_C_LC_CTYPE_tolower+128*4(,%ecx,4), %ecx
movl _nl_C_LC_CTYPE_tolower+128*4(,%edi,4), %edi
# endif
cmpl %ecx, %edi
#else
cmpb %cl, 3(%edx)
#endif
jne L(neq)
cmpl $0, %ecx
je L(eq)
#if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
cmp $4, REM
je L(eq)
#endif
movzbl 4(%eax), %ecx
#if defined USE_AS_STRCASECMP_L || defined USE_AS_STRNCASECMP_L
movzbl 4(%edx), %edi
# ifdef PIC
movl _nl_C_LC_CTYPE_tolower@GOTOFF+128*4(%ebx,%ecx,4), %ecx
movl _nl_C_LC_CTYPE_tolower@GOTOFF+128*4(%ebx,%edi,4), %edi
# else
movl _nl_C_LC_CTYPE_tolower+128*4(,%ecx,4), %ecx
movl _nl_C_LC_CTYPE_tolower+128*4(,%edi,4), %edi
# endif
cmpl %ecx, %edi
#else
cmpb %cl, 4(%edx)
#endif
jne L(neq)
cmpl $0, %ecx
je L(eq)
#if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
cmp $5, REM
je L(eq)
#endif
movzbl 5(%eax), %ecx
#if defined USE_AS_STRCASECMP_L || defined USE_AS_STRNCASECMP_L
movzbl 5(%edx), %edi
# ifdef PIC
movl _nl_C_LC_CTYPE_tolower@GOTOFF+128*4(%ebx,%ecx,4), %ecx
movl _nl_C_LC_CTYPE_tolower@GOTOFF+128*4(%ebx,%edi,4), %edi
# else
movl _nl_C_LC_CTYPE_tolower+128*4(,%ecx,4), %ecx
movl _nl_C_LC_CTYPE_tolower+128*4(,%edi,4), %edi
# endif
cmpl %ecx, %edi
#else
cmpb %cl, 5(%edx)
#endif
jne L(neq)
cmpl $0, %ecx
je L(eq)
#if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
cmp $6, REM
je L(eq)
#endif
movzbl 6(%eax), %ecx
#if defined USE_AS_STRCASECMP_L || defined USE_AS_STRNCASECMP_L
movzbl 6(%edx), %edi
# ifdef PIC
movl _nl_C_LC_CTYPE_tolower@GOTOFF+128*4(%ebx,%ecx,4), %ecx
movl _nl_C_LC_CTYPE_tolower@GOTOFF+128*4(%ebx,%edi,4), %edi
# else
movl _nl_C_LC_CTYPE_tolower+128*4(,%ecx,4), %ecx
movl _nl_C_LC_CTYPE_tolower+128*4(,%edi,4), %edi
# endif
cmpl %ecx, %edi
#else
cmpb %cl, 6(%edx)
#endif
jne L(neq)
cmpl $0, %ecx
je L(eq)
#if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
cmp $7, REM
je L(eq)
#endif
movzbl 7(%eax), %ecx
#if defined USE_AS_STRCASECMP_L || defined USE_AS_STRNCASECMP_L
movzbl 7(%edx), %edi
# ifdef PIC
movl _nl_C_LC_CTYPE_tolower@GOTOFF+128*4(%ebx,%ecx,4), %ecx
movl _nl_C_LC_CTYPE_tolower@GOTOFF+128*4(%ebx,%edi,4), %edi
# else
movl _nl_C_LC_CTYPE_tolower+128*4(,%ecx,4), %ecx
movl _nl_C_LC_CTYPE_tolower+128*4(,%edi,4), %edi
# endif
cmpl %ecx, %edi
#else
cmpb %cl, 7(%edx)
#endif
jne L(neq)
cmpl $0, %ecx
je L(eq)
#if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
sub $8, REM
je L(eq)
#endif
add $8, %eax
add $8, %edx
#if !defined USE_AS_STRCASECMP_L && !defined USE_AS_STRNCASECMP_L
PUSH (%edi)
#endif
PUSH (%esi)
#if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
cfi_remember_state
#endif
mov %edx, %edi
mov %eax, %esi
xorl %eax, %eax
L(check_offset):
movl %edi, %edx
movl %esi, %ecx
andl $0xfff, %edx
andl $0xfff, %ecx
cmpl %edx, %ecx
cmovl %edx, %ecx
lea -0xff0(%ecx), %edx
sub %edx, %edi
sub %edx, %esi
testl %edx, %edx
jg L(crosspage)
L(loop):
movdqu (%esi,%edx), %xmm2
movdqu (%edi,%edx), %xmm1
TOLOWER (%xmm2, %xmm1)
pcmpistri $0x1a, %xmm2, %xmm1
jbe L(end)
#if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
sub $16, REM
jbe L(more16byteseq)
#endif
add $16, %edx
jle L(loop)
L(crosspage):
movzbl (%edi,%edx), %eax
movzbl (%esi,%edx), %ecx
#if defined USE_AS_STRCASECMP_L || defined USE_AS_STRNCASECMP_L
# ifdef PIC
movl _nl_C_LC_CTYPE_tolower@GOTOFF+128*4(%ebx,%eax,4), %eax
movl _nl_C_LC_CTYPE_tolower@GOTOFF+128*4(%ebx,%ecx,4), %ecx
# else
movl _nl_C_LC_CTYPE_tolower+128*4(,%eax,4), %eax
movl _nl_C_LC_CTYPE_tolower+128*4(,%ecx,4), %ecx
# endif
#endif
subl %ecx, %eax
jne L(ret)
testl %ecx, %ecx
je L(ret)
#if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
sub $1, REM
jbe L(more16byteseq)
#endif
inc %edx
cmp $15, %edx
jle L(crosspage)
add %edx, %edi
add %edx, %esi
jmp L(check_offset)
.p2align 4
L(end):
jnc L(ret)
#if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
sub %ecx, REM
jbe L(more16byteseq)
#endif
lea (%ecx,%edx), %ecx
movzbl (%edi,%ecx), %eax
movzbl (%esi,%ecx), %ecx
#if defined USE_AS_STRCASECMP_L || defined USE_AS_STRNCASECMP_L
# ifdef PIC
movl _nl_C_LC_CTYPE_tolower@GOTOFF+128*4(%ebx,%eax,4), %eax
movl _nl_C_LC_CTYPE_tolower@GOTOFF+128*4(%ebx,%ecx,4), %ecx
# else
movl _nl_C_LC_CTYPE_tolower+128*4(,%eax,4), %eax
movl _nl_C_LC_CTYPE_tolower+128*4(,%ecx,4), %ecx
# endif
#endif
subl %ecx, %eax
L(ret):
POP (%esi)
POP (%edi)
#if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
POP (REM)
#endif
#if defined USE_AS_STRCASECMP_L || defined USE_AS_STRNCASECMP_L
# ifdef PIC
POP (%ebx)
# endif
#endif
ret
.p2align 4
#if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
cfi_restore_state
L(more16byteseq):
POP (%esi)
# ifdef USE_AS_STRNCMP
POP (%edi)
# endif
#endif
L(eq):
xorl %eax, %eax
RETURN
L(neq):
mov $1, %eax
ja L(neq_bigger)
neg %eax
L(neq_bigger):
RETURN
L(less16bytes):
add $0xfefefeff, %ecx
jnc L(less4bytes)
#if defined USE_AS_STRCASECMP_L || defined USE_AS_STRNCASECMP_L
movd %xmm3, %edi
xor %edi, %ecx
#else
xor (%edx), %ecx
#endif
or $0xfefefeff, %ecx
add $1, %ecx
jnz L(less4bytes)
#if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
cmp $4, REM
jbe L(eq)
#endif
#if defined USE_AS_STRCASECMP_L || defined USE_AS_STRNCASECMP_L
psrldq $4, %xmm3
psrldq $4, %xmm4
movd %xmm3, %ecx
movd %xmm4, %edi
cmp %edi, %ecx
mov %ecx, %edi
#else
mov 4(%edx), %ecx
cmp 4(%eax), %ecx
#endif
jne L(more4bytes)
add $0xfefefeff, %ecx
jnc L(more4bytes)
#if defined USE_AS_STRCASECMP_L || defined USE_AS_STRNCASECMP_L
xor %edi, %ecx
#else
xor 4(%edx), %ecx
#endif
or $0xfefefeff, %ecx
add $1, %ecx
jnz L(more4bytes)
#if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
sub $8, REM
jbe L(eq)
#endif
add $8, %edx
add $8, %eax
L(less4bytes):
movzbl (%eax), %ecx
#if defined USE_AS_STRCASECMP_L || defined USE_AS_STRNCASECMP_L
movzbl (%edx), %edi
# ifdef PIC
movl _nl_C_LC_CTYPE_tolower@GOTOFF+128*4(%ebx,%ecx,4), %ecx
movl _nl_C_LC_CTYPE_tolower@GOTOFF+128*4(%ebx,%edi,4), %edi
# else
movl _nl_C_LC_CTYPE_tolower+128*4(,%ecx,4), %ecx
movl _nl_C_LC_CTYPE_tolower+128*4(,%edi,4), %edi
# endif
cmpl %ecx, %edi
#else
cmpb %cl, (%edx)
#endif
jne L(neq)
cmpl $0, %ecx
je L(eq)
#if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
cmp $1, REM
je L(eq)
#endif
movzbl 1(%eax), %ecx
#if defined USE_AS_STRCASECMP_L || defined USE_AS_STRNCASECMP_L
movzbl 1(%edx), %edi
# ifdef PIC
movl _nl_C_LC_CTYPE_tolower@GOTOFF+128*4(%ebx,%ecx,4), %ecx
movl _nl_C_LC_CTYPE_tolower@GOTOFF+128*4(%ebx,%edi,4), %edi
# else
movl _nl_C_LC_CTYPE_tolower+128*4(,%ecx,4), %ecx
movl _nl_C_LC_CTYPE_tolower+128*4(,%edi,4), %edi
# endif
cmpl %ecx, %edi
#else
cmpb %cl, 1(%edx)
#endif
jne L(neq)
cmpl $0, %ecx
je L(eq)
#if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
cmp $2, REM
je L(eq)
#endif
movzbl 2(%eax), %ecx
#if defined USE_AS_STRCASECMP_L || defined USE_AS_STRNCASECMP_L
movzbl 2(%edx), %edi
# ifdef PIC
movl _nl_C_LC_CTYPE_tolower@GOTOFF+128*4(%ebx,%ecx,4), %ecx
movl _nl_C_LC_CTYPE_tolower@GOTOFF+128*4(%ebx,%edi,4), %edi
# else
movl _nl_C_LC_CTYPE_tolower+128*4(,%ecx,4), %ecx
movl _nl_C_LC_CTYPE_tolower+128*4(,%edi,4), %edi
# endif
cmpl %ecx, %edi
#else
cmpb %cl, 2(%edx)
#endif
jne L(neq)
cmpl $0, %ecx
je L(eq)
#if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
cmp $3, REM
je L(eq)
#endif
movzbl 3(%eax), %ecx
#if defined USE_AS_STRCASECMP_L || defined USE_AS_STRNCASECMP_L
movzbl 3(%edx), %edi
# ifdef PIC
movl _nl_C_LC_CTYPE_tolower@GOTOFF+128*4(%ebx,%ecx,4), %ecx
movl _nl_C_LC_CTYPE_tolower@GOTOFF+128*4(%ebx,%edi,4), %edi
# else
movl _nl_C_LC_CTYPE_tolower+128*4(,%ecx,4), %ecx
movl _nl_C_LC_CTYPE_tolower+128*4(,%edi,4), %edi
# endif
cmpl %ecx, %edi
#else
cmpb %cl, 3(%edx)
#endif
jne L(neq)
cmpl $0, %ecx
je L(eq)
L(more4bytes):
#if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
cmp $4, REM
je L(eq)
#endif
movzbl 4(%eax), %ecx
#if defined USE_AS_STRCASECMP_L || defined USE_AS_STRNCASECMP_L
movzbl 4(%edx), %edi
# ifdef PIC
movl _nl_C_LC_CTYPE_tolower@GOTOFF+128*4(%ebx,%ecx,4), %ecx
movl _nl_C_LC_CTYPE_tolower@GOTOFF+128*4(%ebx,%edi,4), %edi
# else
movl _nl_C_LC_CTYPE_tolower+128*4(,%ecx,4), %ecx
movl _nl_C_LC_CTYPE_tolower+128*4(,%edi,4), %edi
# endif
cmpl %ecx, %edi
#else
cmpb %cl, 4(%edx)
#endif
jne L(neq)
cmpl $0, %ecx
je L(eq)
#if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
cmp $5, REM
je L(eq)
#endif
movzbl 5(%eax), %ecx
#if defined USE_AS_STRCASECMP_L || defined USE_AS_STRNCASECMP_L
movzbl 5(%edx), %edi
# ifdef PIC
movl _nl_C_LC_CTYPE_tolower@GOTOFF+128*4(%ebx,%ecx,4), %ecx
movl _nl_C_LC_CTYPE_tolower@GOTOFF+128*4(%ebx,%edi,4), %edi
# else
movl _nl_C_LC_CTYPE_tolower+128*4(,%ecx,4), %ecx
movl _nl_C_LC_CTYPE_tolower+128*4(,%edi,4), %edi
# endif
cmpl %ecx, %edi
#else
cmpb %cl, 5(%edx)
#endif
jne L(neq)
cmpl $0, %ecx
je L(eq)
#if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
cmp $6, REM
je L(eq)
#endif
movzbl 6(%eax), %ecx
#if defined USE_AS_STRCASECMP_L || defined USE_AS_STRNCASECMP_L
movzbl 6(%edx), %edi
# ifdef PIC
movl _nl_C_LC_CTYPE_tolower@GOTOFF+128*4(%ebx,%ecx,4), %ecx
movl _nl_C_LC_CTYPE_tolower@GOTOFF+128*4(%ebx,%edi,4), %edi
# else
movl _nl_C_LC_CTYPE_tolower+128*4(,%ecx,4), %ecx
movl _nl_C_LC_CTYPE_tolower+128*4(,%edi,4), %edi
# endif
cmpl %ecx, %edi
#else
cmpb %cl, 6(%edx)
#endif
jne L(neq)
cmpl $0, %ecx
je L(eq)
#if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
cmp $7, REM
je L(eq)
#endif
movzbl 7(%eax), %ecx
#if defined USE_AS_STRCASECMP_L || defined USE_AS_STRNCASECMP_L
movzbl 7(%edx), %edi
# ifdef PIC
movl _nl_C_LC_CTYPE_tolower@GOTOFF+128*4(%ebx,%ecx,4), %ecx
movl _nl_C_LC_CTYPE_tolower@GOTOFF+128*4(%ebx,%edi,4), %edi
# else
movl _nl_C_LC_CTYPE_tolower+128*4(,%ecx,4), %ecx
movl _nl_C_LC_CTYPE_tolower+128*4(,%edi,4), %edi
# endif
cmpl %ecx, %edi
#else
cmpb %cl, 7(%edx)
#endif
jne L(neq)
jmp L(eq)
END (STRCMP)
#endif
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