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805 lines
18 KiB
ArmAsm
805 lines
18 KiB
ArmAsm
/* strcmp with SSE4.2
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Copyright (C) 2010-2014 Free Software Foundation, Inc.
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Contributed by Intel Corporation.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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#ifndef NOT_IN_libc
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#include <sysdep.h>
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#include "asm-syntax.h"
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#define CFI_PUSH(REG) \
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cfi_adjust_cfa_offset (4); \
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cfi_rel_offset (REG, 0)
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#define CFI_POP(REG) \
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cfi_adjust_cfa_offset (-4); \
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cfi_restore (REG)
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#define PUSH(REG) pushl REG; CFI_PUSH (REG)
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#define POP(REG) popl REG; CFI_POP (REG)
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#ifdef USE_AS_STRNCMP
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# ifndef STRCMP
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# define STRCMP __strncmp_sse4_2
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# endif
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# define STR1 8
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# define STR2 STR1+4
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# define CNT STR2+4
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# define RETURN POP (REM); ret; .p2align 4; CFI_PUSH (REM)
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# define REM %ebp
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#elif defined USE_AS_STRCASECMP_L
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# include "locale-defines.h"
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# ifndef STRCMP
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# define STRCMP __strcasecmp_l_sse4_2
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# endif
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# ifdef PIC
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# define STR1 12
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# else
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# define STR1 8
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# endif
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# define STR2 STR1+4
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# define LOCALE 12 /* Loaded before the adjustment. */
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# ifdef PIC
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# define RETURN POP (%edi); POP (%ebx); ret; \
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.p2align 4; CFI_PUSH (%ebx); CFI_PUSH (%edi)
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# else
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# define RETURN POP (%edi); ret; .p2align 4; CFI_PUSH (%edi)
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# endif
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# define NONASCII __strcasecmp_nonascii
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#elif defined USE_AS_STRNCASECMP_L
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# include "locale-defines.h"
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# ifndef STRCMP
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# define STRCMP __strncasecmp_l_sse4_2
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# endif
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# ifdef PIC
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# define STR1 16
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# else
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# define STR1 12
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# endif
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# define STR2 STR1+4
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# define CNT STR2+4
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# define LOCALE 16 /* Loaded before the adjustment. */
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# ifdef PIC
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# define RETURN POP (%edi); POP (REM); POP (%ebx); ret; \
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.p2align 4; \
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CFI_PUSH (%ebx); CFI_PUSH (REM); CFI_PUSH (%edi)
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# else
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# define RETURN POP (%edi); POP (REM); ret; \
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.p2align 4; CFI_PUSH (REM); CFI_PUSH (%edi)
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# endif
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# define REM %ebp
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# define NONASCII __strncasecmp_nonascii
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#else
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# ifndef STRCMP
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# define STRCMP __strcmp_sse4_2
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# endif
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# define STR1 4
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# define STR2 STR1+4
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# define RETURN ret; .p2align 4
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#endif
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.section .text.sse4.2,"ax",@progbits
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#ifdef USE_AS_STRCASECMP_L
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ENTRY (__strcasecmp_sse4_2)
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# ifdef PIC
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PUSH (%ebx)
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LOAD_PIC_REG(bx)
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movl __libc_tsd_LOCALE@GOTNTPOFF(%ebx), %eax
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# ifdef NO_TLS_DIRECT_SEG_REFS
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addl %gs:0, %eax
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movl (%eax), %eax
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# else
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movl %gs:(%eax), %eax
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# endif
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# else
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# ifdef NO_TLS_DIRECT_SEG_REFS
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movl %gs:0, %eax
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movl __libc_tsd_LOCALE@NTPOFF(%eax), %eax
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# else
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movl %gs:__libc_tsd_LOCALE@NTPOFF, %eax
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# endif
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# endif
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# if LOCALE_T___LOCALES != 0 || LC_CTYPE != 0
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movl LOCALE_T___LOCALES+LC_CTYPE*4(%eax), %eax
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# else
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movl (%eax), %eax
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# endif
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testl $1, LOCALE_DATA_VALUES+_NL_CTYPE_NONASCII_CASE*SIZEOF_VALUES(%eax)
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# ifdef PIC
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je L(ascii)
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POP (%ebx)
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jmp __strcasecmp_nonascii
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# else
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jne __strcasecmp_nonascii
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jmp L(ascii)
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# endif
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END (__strcasecmp_sse4_2)
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#endif
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#ifdef USE_AS_STRNCASECMP_L
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ENTRY (__strncasecmp_sse4_2)
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# ifdef PIC
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PUSH (%ebx)
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LOAD_PIC_REG(bx)
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movl __libc_tsd_LOCALE@GOTNTPOFF(%ebx), %eax
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# ifdef NO_TLS_DIRECT_SEG_REFS
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addl %gs:0, %eax
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movl (%eax), %eax
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# else
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movl %gs:(%eax), %eax
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# endif
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# else
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# ifdef NO_TLS_DIRECT_SEG_REFS
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movl %gs:0, %eax
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movl __libc_tsd_LOCALE@NTPOFF(%eax), %eax
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# else
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movl %gs:__libc_tsd_LOCALE@NTPOFF, %eax
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# endif
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# endif
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# if LOCALE_T___LOCALES != 0 || LC_CTYPE != 0
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movl LOCALE_T___LOCALES+LC_CTYPE*4(%eax), %eax
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# else
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movl (%eax), %eax
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# endif
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testl $1, LOCALE_DATA_VALUES+_NL_CTYPE_NONASCII_CASE*SIZEOF_VALUES(%eax)
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# ifdef PIC
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je L(ascii)
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POP (%ebx)
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jmp __strncasecmp_nonascii
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# else
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jne __strncasecmp_nonascii
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jmp L(ascii)
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# endif
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END (__strncasecmp_sse4_2)
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#endif
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ENTRY (STRCMP)
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#if defined USE_AS_STRCASECMP_L || defined USE_AS_STRNCASECMP_L
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movl LOCALE(%esp), %eax
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# if LOCALE_T___LOCALES != 0 || LC_CTYPE != 0
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movl LOCALE_T___LOCALES+LC_CTYPE*4(%eax), %eax
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# else
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movl (%eax), %eax
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# endif
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testl $1, LOCALE_DATA_VALUES+_NL_CTYPE_NONASCII_CASE*SIZEOF_VALUES(%eax)
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jne NONASCII
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# ifdef PIC
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PUSH (%ebx)
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LOAD_PIC_REG(bx)
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# endif
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L(ascii):
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.section .rodata.cst16,"aM",@progbits,16
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.align 16
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.Lbelowupper:
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.quad 0x4040404040404040
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.quad 0x4040404040404040
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.Ltopupper:
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.quad 0x5b5b5b5b5b5b5b5b
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.quad 0x5b5b5b5b5b5b5b5b
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.Ltouppermask:
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.quad 0x2020202020202020
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.quad 0x2020202020202020
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.previous
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# ifdef PIC
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# define UCLOW_reg .Lbelowupper@GOTOFF(%ebx)
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# define UCHIGH_reg .Ltopupper@GOTOFF(%ebx)
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# define LCQWORD_reg .Ltouppermask@GOTOFF(%ebx)
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# else
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# define UCLOW_reg .Lbelowupper
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# define UCHIGH_reg .Ltopupper
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# define LCQWORD_reg .Ltouppermask
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# endif
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#endif
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#if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
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PUSH (REM)
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#endif
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#if defined USE_AS_STRCASECMP_L || defined USE_AS_STRNCASECMP_L
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PUSH (%edi)
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#endif
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mov STR1(%esp), %edx
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mov STR2(%esp), %eax
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#if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
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movl CNT(%esp), REM
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test REM, REM
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je L(eq)
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#endif
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mov %dx, %cx
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and $0xfff, %cx
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cmp $0xff0, %cx
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ja L(first4bytes)
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movdqu (%edx), %xmm2
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mov %eax, %ecx
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and $0xfff, %ecx
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cmp $0xff0, %ecx
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ja L(first4bytes)
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#if defined USE_AS_STRCASECMP_L || defined USE_AS_STRNCASECMP_L
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# define TOLOWER(reg1, reg2) \
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movdqa reg1, %xmm3; \
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movdqa UCHIGH_reg, %xmm4; \
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movdqa reg2, %xmm5; \
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movdqa UCHIGH_reg, %xmm6; \
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pcmpgtb UCLOW_reg, %xmm3; \
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pcmpgtb reg1, %xmm4; \
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pcmpgtb UCLOW_reg, %xmm5; \
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pcmpgtb reg2, %xmm6; \
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pand %xmm4, %xmm3; \
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pand %xmm6, %xmm5; \
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pand LCQWORD_reg, %xmm3; \
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pand LCQWORD_reg, %xmm5; \
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por %xmm3, reg1; \
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por %xmm5, reg2
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movdqu (%eax), %xmm1
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TOLOWER (%xmm2, %xmm1)
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movd %xmm2, %ecx
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movd %xmm1, %edi
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movdqa %xmm2, %xmm3
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movdqa %xmm1, %xmm4
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cmpl %edi, %ecx
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#else
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# define TOLOWER(reg1, reg)
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movd %xmm2, %ecx
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cmp (%eax), %ecx
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#endif
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jne L(less4bytes)
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#if !defined USE_AS_STRCASECMP_L && !defined USE_AS_STRNCASECMP_L
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movdqu (%eax), %xmm1
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#endif
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pxor %xmm2, %xmm1
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pxor %xmm0, %xmm0
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ptest %xmm1, %xmm0
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jnc L(less16bytes)
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pcmpeqb %xmm0, %xmm2
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ptest %xmm2, %xmm0
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jnc L(less16bytes)
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#if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
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sub $16, REM
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jbe L(eq)
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#endif
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add $16, %edx
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add $16, %eax
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L(first4bytes):
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movzbl (%eax), %ecx
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#if defined USE_AS_STRCASECMP_L || defined USE_AS_STRNCASECMP_L
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movzbl (%edx), %edi
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# ifdef PIC
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movl _nl_C_LC_CTYPE_tolower@GOTOFF+128*4(%ebx,%ecx,4), %ecx
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movl _nl_C_LC_CTYPE_tolower@GOTOFF+128*4(%ebx,%edi,4), %edi
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# else
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movl _nl_C_LC_CTYPE_tolower+128*4(,%ecx,4), %ecx
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movl _nl_C_LC_CTYPE_tolower+128*4(,%edi,4), %edi
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# endif
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cmpl %ecx, %edi
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#else
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cmpb %cl, (%edx)
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#endif
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jne L(neq)
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cmpl $0, %ecx
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je L(eq)
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#if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
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cmp $1, REM
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je L(eq)
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#endif
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movzbl 1(%eax), %ecx
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#if defined USE_AS_STRCASECMP_L || defined USE_AS_STRNCASECMP_L
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movzbl 1(%edx), %edi
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# ifdef PIC
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movl _nl_C_LC_CTYPE_tolower@GOTOFF+128*4(%ebx,%ecx,4), %ecx
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movl _nl_C_LC_CTYPE_tolower@GOTOFF+128*4(%ebx,%edi,4), %edi
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# else
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movl _nl_C_LC_CTYPE_tolower+128*4(,%ecx,4), %ecx
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movl _nl_C_LC_CTYPE_tolower+128*4(,%edi,4), %edi
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# endif
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cmpl %ecx, %edi
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#else
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cmpb %cl, 1(%edx)
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#endif
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jne L(neq)
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cmpl $0, %ecx
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je L(eq)
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#if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
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cmp $2, REM
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je L(eq)
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#endif
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movzbl 2(%eax), %ecx
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#if defined USE_AS_STRCASECMP_L || defined USE_AS_STRNCASECMP_L
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movzbl 2(%edx), %edi
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# ifdef PIC
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movl _nl_C_LC_CTYPE_tolower@GOTOFF+128*4(%ebx,%ecx,4), %ecx
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movl _nl_C_LC_CTYPE_tolower@GOTOFF+128*4(%ebx,%edi,4), %edi
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# else
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movl _nl_C_LC_CTYPE_tolower+128*4(,%ecx,4), %ecx
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movl _nl_C_LC_CTYPE_tolower+128*4(,%edi,4), %edi
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# endif
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cmpl %ecx, %edi
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#else
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cmpb %cl, 2(%edx)
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#endif
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jne L(neq)
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cmpl $0, %ecx
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je L(eq)
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#if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
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cmp $3, REM
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je L(eq)
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#endif
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movzbl 3(%eax), %ecx
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#if defined USE_AS_STRCASECMP_L || defined USE_AS_STRNCASECMP_L
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movzbl 3(%edx), %edi
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# ifdef PIC
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movl _nl_C_LC_CTYPE_tolower@GOTOFF+128*4(%ebx,%ecx,4), %ecx
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movl _nl_C_LC_CTYPE_tolower@GOTOFF+128*4(%ebx,%edi,4), %edi
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# else
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movl _nl_C_LC_CTYPE_tolower+128*4(,%ecx,4), %ecx
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movl _nl_C_LC_CTYPE_tolower+128*4(,%edi,4), %edi
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# endif
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cmpl %ecx, %edi
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#else
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cmpb %cl, 3(%edx)
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#endif
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jne L(neq)
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cmpl $0, %ecx
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je L(eq)
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#if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
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cmp $4, REM
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je L(eq)
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#endif
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movzbl 4(%eax), %ecx
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#if defined USE_AS_STRCASECMP_L || defined USE_AS_STRNCASECMP_L
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movzbl 4(%edx), %edi
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# ifdef PIC
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movl _nl_C_LC_CTYPE_tolower@GOTOFF+128*4(%ebx,%ecx,4), %ecx
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movl _nl_C_LC_CTYPE_tolower@GOTOFF+128*4(%ebx,%edi,4), %edi
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# else
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movl _nl_C_LC_CTYPE_tolower+128*4(,%ecx,4), %ecx
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movl _nl_C_LC_CTYPE_tolower+128*4(,%edi,4), %edi
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# endif
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cmpl %ecx, %edi
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#else
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cmpb %cl, 4(%edx)
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#endif
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jne L(neq)
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cmpl $0, %ecx
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je L(eq)
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#if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
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cmp $5, REM
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je L(eq)
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#endif
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movzbl 5(%eax), %ecx
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#if defined USE_AS_STRCASECMP_L || defined USE_AS_STRNCASECMP_L
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movzbl 5(%edx), %edi
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# ifdef PIC
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movl _nl_C_LC_CTYPE_tolower@GOTOFF+128*4(%ebx,%ecx,4), %ecx
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movl _nl_C_LC_CTYPE_tolower@GOTOFF+128*4(%ebx,%edi,4), %edi
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# else
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movl _nl_C_LC_CTYPE_tolower+128*4(,%ecx,4), %ecx
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movl _nl_C_LC_CTYPE_tolower+128*4(,%edi,4), %edi
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# endif
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cmpl %ecx, %edi
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#else
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cmpb %cl, 5(%edx)
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#endif
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jne L(neq)
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cmpl $0, %ecx
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je L(eq)
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#if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
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cmp $6, REM
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je L(eq)
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#endif
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movzbl 6(%eax), %ecx
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#if defined USE_AS_STRCASECMP_L || defined USE_AS_STRNCASECMP_L
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movzbl 6(%edx), %edi
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# ifdef PIC
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movl _nl_C_LC_CTYPE_tolower@GOTOFF+128*4(%ebx,%ecx,4), %ecx
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movl _nl_C_LC_CTYPE_tolower@GOTOFF+128*4(%ebx,%edi,4), %edi
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# else
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movl _nl_C_LC_CTYPE_tolower+128*4(,%ecx,4), %ecx
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movl _nl_C_LC_CTYPE_tolower+128*4(,%edi,4), %edi
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# endif
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cmpl %ecx, %edi
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#else
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cmpb %cl, 6(%edx)
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#endif
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jne L(neq)
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cmpl $0, %ecx
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je L(eq)
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#if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
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cmp $7, REM
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je L(eq)
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#endif
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movzbl 7(%eax), %ecx
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#if defined USE_AS_STRCASECMP_L || defined USE_AS_STRNCASECMP_L
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movzbl 7(%edx), %edi
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# ifdef PIC
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movl _nl_C_LC_CTYPE_tolower@GOTOFF+128*4(%ebx,%ecx,4), %ecx
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movl _nl_C_LC_CTYPE_tolower@GOTOFF+128*4(%ebx,%edi,4), %edi
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# else
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movl _nl_C_LC_CTYPE_tolower+128*4(,%ecx,4), %ecx
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movl _nl_C_LC_CTYPE_tolower+128*4(,%edi,4), %edi
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# endif
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cmpl %ecx, %edi
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#else
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cmpb %cl, 7(%edx)
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#endif
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jne L(neq)
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cmpl $0, %ecx
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je L(eq)
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#if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
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sub $8, REM
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je L(eq)
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#endif
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add $8, %eax
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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
|