| /* strcmp with SSE4.2 |
| Copyright (C) 2010-2014 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 |
| <http://www.gnu.org/licenses/>. */ |
| |
| #ifndef NOT_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 |
