diff options
Diffstat (limited to 'sysdeps/x86_64/strcmp.S')
| -rw-r--r-- | sysdeps/x86_64/strcmp.S | 2147 |
1 files changed, 3 insertions, 2144 deletions
diff --git a/sysdeps/x86_64/strcmp.S b/sysdeps/x86_64/strcmp.S index c38dc627f9..19e54bd3a7 100644 --- a/sysdeps/x86_64/strcmp.S +++ b/sysdeps/x86_64/strcmp.S @@ -16,2148 +16,7 @@ License along with the GNU C Library; if not, see <https://www.gnu.org/licenses/>. */ -#include <sysdep.h> -#include "asm-syntax.h" +/* Symbol = strcmp. */ -#undef UPDATE_STRNCMP_COUNTER - -#ifndef LABEL -#define LABEL(l) L(l) -#endif - -#ifdef USE_AS_STRNCMP -/* 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); \ - test %r9, %r9; \ - je LABEL(strcmp_exitz); \ - mov %r9, %r11 - -#elif defined USE_AS_STRCASECMP_L -# include "locale-defines.h" - -# define UPDATE_STRNCMP_COUNTER -#elif defined USE_AS_STRNCASECMP_L -# include "locale-defines.h" - -# 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 -# endif -#endif - - .text -#ifdef USE_AS_STRCASECMP_L -# ifndef ENTRY2 -# define ENTRY2(name) ENTRY (name) -# define END2(name) END (name) -# endif - -ENTRY2 (__strcasecmp) - movq __libc_tsd_LOCALE@gottpoff(%rip),%rax - mov %fs:(%rax),%RDX_LP - - /* Either 1 or 5 bytes (dependeing if CET is enabled). */ - .p2align 4 -END2 (__strcasecmp) -# ifndef NO_NOLOCALE_ALIAS -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 - mov %fs:(%rax),%RCX_LP - - /* Either 1 or 5 bytes (dependeing if CET is enabled). */ - .p2align 4 -END2 (__strncasecmp) -# ifndef NO_NOLOCALE_ALIAS -weak_alias (__strncasecmp, strncasecmp) -libc_hidden_def (__strncasecmp) -# endif - /* FALLTHROUGH to strncasecmp_l. */ -#endif - -ENTRY (STRCMP) -#ifdef USE_AS_STRCASECMP_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 - mov LOCALE_T___LOCALES+LC_CTYPE*LP_SIZE(%rdx), %RAX_LP -# else - mov (%rdx), %RAX_LP -# endif - testl $1, 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 - mov LOCALE_T___LOCALES+LC_CTYPE*LP_SIZE(%rcx), %RAX_LP -# else - mov (%rcx), %RAX_LP -# endif - testl $1, 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. - */ -#if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L - test %RDX_LP, %RDX_LP - je LABEL(strcmp_exitz) - cmp $1, %RDX_LP - je LABEL(Byte0) - mov %RDX_LP, %R11_LP -#endif - mov %esi, %ecx - mov %edi, %eax -/* 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 */ -#if defined USE_AS_STRCASECMP_L || defined USE_AS_STRNCASECMP_L - .section .rodata.cst16,"aM",@progbits,16 - .align 16 -.Llcase_min: - .quad 0x3f3f3f3f3f3f3f3f - .quad 0x3f3f3f3f3f3f3f3f -.Llcase_max: - .quad 0x9999999999999999 - .quad 0x9999999999999999 -.Lcase_add: - .quad 0x2020202020202020 - .quad 0x2020202020202020 - .previous - movdqa .Llcase_min(%rip), %xmm5 -# define LCASE_MIN_reg %xmm5 - movdqa .Llcase_max(%rip), %xmm6 -# define LCASE_MAX_reg %xmm6 - movdqa .Lcase_add(%rip), %xmm7 -# define CASE_ADD_reg %xmm7 -#endif - cmp $0x30, %ecx - ja LABEL(crosscache) /* rsi: 16-byte load will cross cache line */ - cmp $0x30, %eax - ja LABEL(crosscache) /* rdi: 16-byte load will cross cache line */ - movlpd (%rdi), %xmm1 - movlpd (%rsi), %xmm2 - movhpd 8(%rdi), %xmm1 - movhpd 8(%rsi), %xmm2 -#if defined USE_AS_STRCASECMP_L || defined USE_AS_STRNCASECMP_L -# define TOLOWER(reg1, reg2) \ - movdqa LCASE_MIN_reg, %xmm8; \ - movdqa LCASE_MIN_reg, %xmm9; \ - paddb reg1, %xmm8; \ - paddb reg2, %xmm9; \ - pcmpgtb LCASE_MAX_reg, %xmm8; \ - pcmpgtb LCASE_MAX_reg, %xmm9; \ - pandn CASE_ADD_reg, %xmm8; \ - pandn CASE_ADD_reg, %xmm9; \ - paddb %xmm8, reg1; \ - paddb %xmm9, reg2 - TOLOWER (%xmm1, %xmm2) -#else -# define TOLOWER(reg1, reg2) -#endif - pxor %xmm0, %xmm0 /* clear %xmm0 for null char checks */ - pcmpeqb %xmm1, %xmm0 /* Any null chars? */ - pcmpeqb %xmm2, %xmm1 /* compare first 16 bytes for equality */ - psubb %xmm0, %xmm1 /* packed sub of comparison results*/ - 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 */ -#if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L - sub $16, %r11 - jbe LABEL(strcmp_exitz) /* finish comparision */ -#endif - add $16, %rsi /* prepare to search next 16 bytes */ - add $16, %rdi /* prepare to search next 16 bytes */ - - /* - * Determine source and destination string offsets from 16-byte alignment. - * Use relative offset difference between the two to determine which case - * below to use. - */ - .p2align 4 -LABEL(crosscache): - and $0xfffffffffffffff0, %rsi /* force %rsi is 16 byte aligned */ - and $0xfffffffffffffff0, %rdi /* force %rdi is 16 byte aligned */ - mov $0xffff, %edx /* for equivalent offset */ - xor %r8d, %r8d - and $0xf, %ecx /* offset of rsi */ - and $0xf, %eax /* offset of rdi */ - cmp %eax, %ecx - je LABEL(ashr_0) /* rsi and rdi relative offset same */ - ja LABEL(bigger) - mov %edx, %r8d /* r8d is offset flag for exit tail */ - xchg %ecx, %eax - xchg %rsi, %rdi -LABEL(bigger): - lea 15(%rax), %r9 - sub %rcx, %r9 - lea LABEL(unaligned_table)(%rip), %r10 - movslq (%r10, %r9,4), %r9 - lea (%r10, %r9), %r10 - _CET_NOTRACK jmp *%r10 /* jump to corresponding case */ - -/* - * The following cases will be handled by ashr_0 - * rcx(offset of rsi) rax(offset of rdi) relative offset corresponding case - * n(0~15) n(0~15) 15(15+ n-n) ashr_0 - */ - .p2align 4 -LABEL(ashr_0): - - movdqa (%rsi), %xmm1 - pxor %xmm0, %xmm0 /* clear %xmm0 for null char check */ - pcmpeqb %xmm1, %xmm0 /* Any null chars? */ -#if !defined USE_AS_STRCASECMP_L && !defined USE_AS_STRNCASECMP_L - pcmpeqb (%rdi), %xmm1 /* compare 16 bytes for equality */ -#else - movdqa (%rdi), %xmm2 - TOLOWER (%xmm1, %xmm2) - pcmpeqb %xmm2, %xmm1 /* compare 16 bytes for equality */ -#endif - psubb %xmm0, %xmm1 /* packed sub of comparison results*/ - pmovmskb %xmm1, %r9d - shr %cl, %edx /* adjust 0xffff for offset */ - shr %cl, %r9d /* adjust for 16-byte offset */ - sub %r9d, %edx - /* - * edx must be the same with r9d if in left byte (16-rcx) is equal to - * the start from (16-rax) and no null char was seen. - */ - jne LABEL(less32bytes) /* mismatch or null char */ - UPDATE_STRNCMP_COUNTER - mov $16, %rcx - mov $16, %r9 - pxor %xmm0, %xmm0 /* clear xmm0, may have changed above */ - - /* - * Now both strings are aligned at 16-byte boundary. Loop over strings - * checking 32-bytes per iteration. - */ - .p2align 4 -LABEL(loop_ashr_0): - movdqa (%rsi, %rcx), %xmm1 - movdqa (%rdi, %rcx), %xmm2 - TOLOWER (%xmm1, %xmm2) - - pcmpeqb %xmm1, %xmm0 - pcmpeqb %xmm2, %xmm1 - psubb %xmm0, %xmm1 - pmovmskb %xmm1, %edx - sub $0xffff, %edx - jnz LABEL(exit) /* mismatch or null char seen */ - -#if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L - sub $16, %r11 - jbe LABEL(strcmp_exitz) -#endif - add $16, %rcx - movdqa (%rsi, %rcx), %xmm1 - movdqa (%rdi, %rcx), %xmm2 - TOLOWER (%xmm1, %xmm2) - - pcmpeqb %xmm1, %xmm0 - pcmpeqb %xmm2, %xmm1 - psubb %xmm0, %xmm1 - pmovmskb %xmm1, %edx - sub $0xffff, %edx - jnz LABEL(exit) -#if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L - sub $16, %r11 - jbe LABEL(strcmp_exitz) -#endif - add $16, %rcx - jmp LABEL(loop_ashr_0) - -/* - * The following cases will be handled by ashr_1 - * rcx(offset of rsi) rax(offset of rdi) relative offset corresponding case - * n(15) n -15 0(15 +(n-15) - n) ashr_1 - */ - .p2align 4 -LABEL(ashr_1): - pxor %xmm0, %xmm0 - movdqa (%rdi), %xmm2 - movdqa (%rsi), %xmm1 - pcmpeqb %xmm1, %xmm0 /* Any null chars? */ - pslldq $15, %xmm2 /* shift first string to align with second */ - TOLOWER (%xmm1, %xmm2) - pcmpeqb %xmm1, %xmm2 /* compare 16 bytes for equality */ - psubb %xmm0, %xmm2 /* packed sub of comparison results*/ - pmovmskb %xmm2, %r9d - shr %cl, %edx /* adjust 0xffff for offset */ - shr %cl, %r9d /* adjust for 16-byte offset */ - sub %r9d, %edx - jnz LABEL(less32bytes) /* mismatch or null char seen */ - movdqa (%rdi), %xmm3 - UPDATE_STRNCMP_COUNTER - - pxor %xmm0, %xmm0 - mov $16, %rcx /* index for loads*/ - mov $1, %r9d /* byte position left over from less32bytes case */ - /* - * Setup %r10 value allows us to detect crossing a page boundary. - * When %r10 goes positive we have crossed a page boundary and - * need to do a nibble. - */ - lea 1(%rdi), %r10 - and $0xfff, %r10 /* offset into 4K page */ - sub $0x1000, %r10 /* subtract 4K pagesize */ - - .p2align 4 -LABEL(loop_ashr_1): - add $16, %r10 - jg LABEL(nibble_ashr_1) /* cross page boundary */ - -LABEL(gobble_ashr_1): - movdqa (%rsi, %rcx), %xmm1 - movdqa (%rdi, %rcx), %xmm2 - movdqa %xmm2, %xmm4 /* store for next cycle */ - - psrldq $1, %xmm3 - pslldq $15, %xmm2 - por %xmm3, %xmm2 /* merge into one 16byte value */ - - TOLOWER (%xmm1, %xmm2) - - pcmpeqb %xmm1, %xmm0 - pcmpeqb %xmm2, %xmm1 - psubb %xmm0, %xmm1 - pmovmskb %xmm1, %edx - sub $0xffff, %edx - jnz LABEL(exit) - -#if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L - sub $16, %r11 - jbe LABEL(strcmp_exitz) -#endif - add $16, %rcx - movdqa %xmm4, %xmm3 - - add $16, %r10 - jg LABEL(nibble_ashr_1) /* cross page boundary */ - - movdqa (%rsi, %rcx), %xmm1 - movdqa (%rdi, %rcx), %xmm2 - movdqa %xmm2, %xmm4 /* store for next cycle */ - - psrldq $1, %xmm3 - pslldq $15, %xmm2 - por %xmm3, %xmm2 /* merge into one 16byte value */ - - TOLOWER (%xmm1, %xmm2) - - pcmpeqb %xmm1, %xmm0 - pcmpeqb %xmm2, %xmm1 - psubb %xmm0, %xmm1 - pmovmskb %xmm1, %edx - sub $0xffff, %edx - jnz LABEL(exit) - -#if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L - sub $16, %r11 - jbe LABEL(strcmp_exitz) -#endif - add $16, %rcx - movdqa %xmm4, %xmm3 - jmp LABEL(loop_ashr_1) - - /* - * Nibble avoids loads across page boundary. This is to avoid a potential - * access into unmapped memory. - */ - .p2align 4 -LABEL(nibble_ashr_1): - pcmpeqb %xmm3, %xmm0 /* check nibble for null char*/ - pmovmskb %xmm0, %edx - test $0xfffe, %edx - jnz LABEL(ashr_1_exittail) /* find null char*/ - -#if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L - cmp $15, %r11 - jbe LABEL(ashr_1_exittail) -#endif - - pxor %xmm0, %xmm0 - sub $0x1000, %r10 /* substract 4K from %r10 */ - jmp LABEL(gobble_ashr_1) - - /* - * Once find null char, determine if there is a string mismatch - * before the null char. - */ - .p2align 4 -LABEL(ashr_1_exittail): - movdqa (%rsi, %rcx), %xmm1 - psrldq $1, %xmm0 - psrldq $1, %xmm3 - jmp LABEL(aftertail) - -/* - * The following cases will be handled by ashr_2 - * rcx(offset of rsi) rax(offset of rdi) relative offset corresponding case - * n(14~15) n -14 1(15 +(n-14) - n) ashr_2 - */ - .p2align 4 -LABEL(ashr_2): - pxor %xmm0, %xmm0 - movdqa (%rdi), %xmm2 - movdqa (%rsi), %xmm1 - pcmpeqb %xmm1, %xmm0 - pslldq $14, %xmm2 - TOLOWER (%xmm1, %xmm2) - pcmpeqb %xmm1, %xmm2 - psubb %xmm0, %xmm2 - pmovmskb %xmm2, %r9d - shr %cl, %edx - shr %cl, %r9d - sub %r9d, %edx - jnz LABEL(less32bytes) - movdqa (%rdi), %xmm3 - UPDATE_STRNCMP_COUNTER - - pxor %xmm0, %xmm0 - mov $16, %rcx /* index for loads */ - mov $2, %r9d /* byte position left over from less32bytes case */ - /* - * Setup %r10 value allows us to detect crossing a page boundary. - * When %r10 goes positive we have crossed a page boundary and - * need to do a nibble. - */ - lea 2(%rdi), %r10 - and $0xfff, %r10 /* offset into 4K page */ - sub $0x1000, %r10 /* subtract 4K pagesize */ - - .p2align 4 -LABEL(loop_ashr_2): - add $16, %r10 - jg LABEL(nibble_ashr_2) - -LABEL(gobble_ashr_2): - movdqa (%rsi, %rcx), %xmm1 - movdqa (%rdi, %rcx), %xmm2 - movdqa %xmm2, %xmm4 - - psrldq $2, %xmm3 - pslldq $14, %xmm2 - por %xmm3, %xmm2 /* merge into one 16byte value */ - - TOLOWER (%xmm1, %xmm2) - - pcmpeqb %xmm1, %xmm0 - pcmpeqb %xmm2, %xmm1 - psubb %xmm0, %xmm1 - pmovmskb %xmm1, %edx - sub $0xffff, %edx - jnz LABEL(exit) - -#if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L - sub $16, %r11 - jbe LABEL(strcmp_exitz) -#endif - - add $16, %rcx - movdqa %xmm4, %xmm3 - - add $16, %r10 - jg LABEL(nibble_ashr_2) /* cross page boundary */ - - movdqa (%rsi, %rcx), %xmm1 - movdqa (%rdi, %rcx), %xmm2 - movdqa %xmm2, %xmm4 - - psrldq $2, %xmm3 - pslldq $14, %xmm2 - por %xmm3, %xmm2 /* merge into one 16byte value */ - - TOLOWER (%xmm1, %xmm2) - - pcmpeqb %xmm1, %xmm0 - pcmpeqb %xmm2, %xmm1 - psubb %xmm0, %xmm1 - pmovmskb %xmm1, %edx - sub $0xffff, %edx - jnz LABEL(exit) - -#if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L - sub $16, %r11 - jbe LABEL(strcmp_exitz) -#endif - - add $16, %rcx - movdqa %xmm4, %xmm3 - jmp LABEL(loop_ashr_2) - - .p2align 4 -LABEL(nibble_ashr_2): - pcmpeqb %xmm3, %xmm0 /* check nibble for null char */ - pmovmskb %xmm0, %edx - test $0xfffc, %edx - jnz LABEL(ashr_2_exittail) - -#if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L - cmp $14, %r11 - jbe LABEL(ashr_2_exittail) -#endif - - pxor %xmm0, %xmm0 - sub $0x1000, %r10 - jmp LABEL(gobble_ashr_2) - - .p2align 4 -LABEL(ashr_2_exittail): - movdqa (%rsi, %rcx), %xmm1 - psrldq $2, %xmm0 - psrldq $2, %xmm3 - jmp LABEL(aftertail) - -/* - * The following cases will be handled by ashr_3 - * rcx(offset of rsi) rax(offset of rdi) relative offset corresponding case - * n(13~15) n -13 2(15 +(n-13) - n) ashr_3 - */ - .p2align 4 -LABEL(ashr_3): - pxor %xmm0, %xmm0 - movdqa (%rdi), %xmm2 - movdqa (%rsi), %xmm1 - pcmpeqb %xmm1, %xmm0 - pslldq $13, %xmm2 - TOLOWER (%xmm1, %xmm2) - pcmpeqb %xmm1, %xmm2 - psubb %xmm0, %xmm2 - pmovmskb %xmm2, %r9d - shr %cl, %edx - shr %cl, %r9d - sub %r9d, %edx - jnz LABEL(less32bytes) - movdqa (%rdi), %xmm3 - - UPDATE_STRNCMP_COUNTER - - pxor %xmm0, %xmm0 - mov $16, %rcx /* index for loads */ - mov $3, %r9d /* byte position left over from less32bytes case */ - /* - * Setup %r10 value allows us to detect crossing a page boundary. - * When %r10 goes positive we have crossed a page boundary and - * need to do a nibble. - */ - lea 3(%rdi), %r10 - and $0xfff, %r10 /* offset into 4K page */ - sub $0x1000, %r10 /* subtract 4K pagesize */ - - .p2align 4 -LABEL(loop_ashr_3): - add $16, %r10 - jg LABEL(nibble_ashr_3) - -LABEL(gobble_ashr_3): - movdqa (%rsi, %rcx), %xmm1 - movdqa (%rdi, %rcx), %xmm2 - movdqa %xmm2, %xmm4 - - psrldq $3, %xmm3 - pslldq $13, %xmm2 - por %xmm3, %xmm2 /* merge into one 16byte value */ - - TOLOWER (%xmm1, %xmm2) - - pcmpeqb %xmm1, %xmm0 - pcmpeqb %xmm2, %xmm1 - psubb %xmm0, %xmm1 - pmovmskb %xmm1, %edx - sub $0xffff, %edx - jnz LABEL(exit) - -#if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L - sub $16, %r11 - jbe LABEL(strcmp_exitz) -#endif - - add $16, %rcx - movdqa %xmm4, %xmm3 - - add $16, %r10 - jg LABEL(nibble_ashr_3) /* cross page boundary */ - - movdqa (%rsi, %rcx), %xmm1 - movdqa (%rdi, %rcx), %xmm2 - movdqa %xmm2, %xmm4 - - psrldq $3, %xmm3 - pslldq $13, %xmm2 - por %xmm3, %xmm2 /* merge into one 16byte value */ - - TOLOWER (%xmm1, %xmm2) - - pcmpeqb %xmm1, %xmm0 - pcmpeqb %xmm2, %xmm1 - psubb %xmm0, %xmm1 - pmovmskb %xmm1, %edx - sub $0xffff, %edx - jnz LABEL(exit) - -#if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L - sub $16, %r11 - jbe LABEL(strcmp_exitz) -#endif - - add $16, %rcx - movdqa %xmm4, %xmm3 - jmp LABEL(loop_ashr_3) - - .p2align 4 -LABEL(nibble_ashr_3): - pcmpeqb %xmm3, %xmm0 /* check nibble for null char */ - pmovmskb %xmm0, %edx - test $0xfff8, %edx - jnz LABEL(ashr_3_exittail) - -#if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L - cmp $13, %r11 - jbe LABEL(ashr_3_exittail) -#endif - - pxor %xmm0, %xmm0 - sub $0x1000, %r10 - jmp LABEL(gobble_ashr_3) - - .p2align 4 -LABEL(ashr_3_exittail): - movdqa (%rsi, %rcx), %xmm1 - psrldq $3, %xmm0 - psrldq $3, %xmm3 - jmp LABEL(aftertail) - -/* - * The following cases will be handled by ashr_4 - * rcx(offset of rsi) rax(offset of rdi) relative offset corresponding case - * n(12~15) n -12 3(15 +(n-12) - n) ashr_4 - */ - .p2align 4 -LABEL(ashr_4): - pxor %xmm0, %xmm0 - movdqa (%rdi), %xmm2 - movdqa (%rsi), %xmm1 - pcmpeqb %xmm1, %xmm0 - pslldq $12, %xmm2 - TOLOWER (%xmm1, %xmm2) - pcmpeqb %xmm1, %xmm2 - psubb %xmm0, %xmm2 - pmovmskb %xmm2, %r9d - shr %cl, %edx - shr %cl, %r9d - sub %r9d, %edx - jnz LABEL(less32bytes) - movdqa (%rdi), %xmm3 - - UPDATE_STRNCMP_COUNTER - - pxor %xmm0, %xmm0 - mov $16, %rcx /* index for loads */ - mov $4, %r9d /* byte position left over from less32bytes case */ - /* - * Setup %r10 value allows us to detect crossing a page boundary. - * When %r10 goes positive we have crossed a page boundary and - * need to do a nibble. - */ - lea 4(%rdi), %r10 - and $0xfff, %r10 /* offset into 4K page */ - sub $0x1000, %r10 /* subtract 4K pagesize */ - - .p2align 4 -LABEL(loop_ashr_4): - add $16, %r10 - jg LABEL(nibble_ashr_4) - -LABEL(gobble_ashr_4): - movdqa (%rsi, %rcx), %xmm1 - movdqa (%rdi, %rcx), %xmm2 - movdqa %xmm2, %xmm4 - - psrldq $4, %xmm3 - pslldq $12, %xmm2 - por %xmm3, %xmm2 /* merge into one 16byte value */ - - TOLOWER (%xmm1, %xmm2) - - pcmpeqb %xmm1, %xmm0 - pcmpeqb %xmm2, %xmm1 - psubb %xmm0, %xmm1 - pmovmskb %xmm1, %edx - sub $0xffff, %edx - jnz LABEL(exit) - -#if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L - sub $16, %r11 - jbe LABEL(strcmp_exitz) -#endif - - add $16, %rcx - movdqa %xmm4, %xmm3 - - add $16, %r10 - jg LABEL(nibble_ashr_4) /* cross page boundary */ - - movdqa (%rsi, %rcx), %xmm1 - movdqa (%rdi, %rcx), %xmm2 - movdqa %xmm2, %xmm4 - - psrldq $4, %xmm3 - pslldq $12, %xmm2 - por %xmm3, %xmm2 /* merge into one 16byte value */ - - TOLOWER (%xmm1, %xmm2) - - pcmpeqb %xmm1, %xmm0 - pcmpeqb %xmm2, %xmm1 - psubb %xmm0, %xmm1 - pmovmskb %xmm1, %edx - sub $0xffff, %edx - jnz LABEL(exit) - -#if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L - sub $16, %r11 - jbe LABEL(strcmp_exitz) -#endif - - add $16, %rcx - movdqa %xmm4, %xmm3 - jmp LABEL(loop_ashr_4) - - .p2align 4 -LABEL(nibble_ashr_4): - pcmpeqb %xmm3, %xmm0 /* check nibble for null char */ - pmovmskb %xmm0, %edx - test $0xfff0, %edx - jnz LABEL(ashr_4_exittail) - -#if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L - cmp $12, %r11 - jbe LABEL(ashr_4_exittail) -#endif - - pxor %xmm0, %xmm0 - sub $0x1000, %r10 - jmp LABEL(gobble_ashr_4) - - .p2align 4 -LABEL(ashr_4_exittail): - movdqa (%rsi, %rcx), %xmm1 - psrldq $4, %xmm0 - psrldq $4, %xmm3 - jmp LABEL(aftertail) - -/* - * The following cases will be handled by ashr_5 - * rcx(offset of rsi) rax(offset of rdi) relative offset corresponding case - * n(11~15) n - 11 4(15 +(n-11) - n) ashr_5 - */ - .p2align 4 -LABEL(ashr_5): - pxor %xmm0, %xmm0 - movdqa (%rdi), %xmm2 - movdqa (%rsi), %xmm1 - pcmpeqb %xmm1, %xmm0 - pslldq $11, %xmm2 - TOLOWER (%xmm1, %xmm2) - pcmpeqb %xmm1, %xmm2 - psubb %xmm0, %xmm2 - pmovmskb %xmm2, %r9d - shr %cl, %edx - shr %cl, %r9d - sub %r9d, %edx - jnz LABEL(less32bytes) - movdqa (%rdi), %xmm3 - - UPDATE_STRNCMP_COUNTER - - pxor %xmm0, %xmm0 - mov $16, %rcx /* index for loads */ - mov $5, %r9d /* byte position left over from less32bytes case */ - /* - * Setup %r10 value allows us to detect crossing a page boundary. - * When %r10 goes positive we have crossed a page boundary and - * need to do a nibble. - */ - lea 5(%rdi), %r10 - and $0xfff, %r10 /* offset into 4K page */ - sub $0x1000, %r10 /* subtract 4K pagesize */ - - .p2align 4 -LABEL(loop_ashr_5): - add $16, %r10 - jg LABEL(nibble_ashr_5) - -LABEL(gobble_ashr_5): - movdqa (%rsi, %rcx), %xmm1 - movdqa (%rdi, %rcx), %xmm2 - movdqa %xmm2, %xmm4 - - psrldq $5, %xmm3 - pslldq $11, %xmm2 - por %xmm3, %xmm2 /* merge into one 16byte value */ - - TOLOWER (%xmm1, %xmm2) - - pcmpeqb %xmm1, %xmm0 - pcmpeqb %xmm2, %xmm1 - psubb %xmm0, %xmm1 - pmovmskb %xmm1, %edx - sub $0xffff, %edx - jnz LABEL(exit) - -#if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L - sub $16, %r11 - jbe LABEL(strcmp_exitz) -#endif - - add $16, %rcx - movdqa %xmm4, %xmm3 - - add $16, %r10 - jg LABEL(nibble_ashr_5) /* cross page boundary */ - - movdqa (%rsi, %rcx), %xmm1 - movdqa (%rdi, %rcx), %xmm2 - movdqa %xmm2, %xmm4 - - psrldq $5, %xmm3 - pslldq $11, %xmm2 - por %xmm3, %xmm2 /* merge into one 16byte value */ - - TOLOWER (%xmm1, %xmm2) - - pcmpeqb %xmm1, %xmm0 - pcmpeqb %xmm2, %xmm1 - psubb %xmm0, %xmm1 - pmovmskb %xmm1, %edx - sub $0xffff, %edx - jnz LABEL(exit) - -#if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L - sub $16, %r11 - jbe LABEL(strcmp_exitz) -#endif - - add $16, %rcx - movdqa %xmm4, %xmm3 - jmp LABEL(loop_ashr_5) - - .p2align 4 -LABEL(nibble_ashr_5): - pcmpeqb %xmm3, %xmm0 /* check nibble for null char */ - pmovmskb %xmm0, %edx - test $0xffe0, %edx - jnz LABEL(ashr_5_exittail) - -#if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L - cmp $11, %r11 - jbe LABEL(ashr_5_exittail) -#endif - - pxor %xmm0, %xmm0 - sub $0x1000, %r10 - jmp LABEL(gobble_ashr_5) - - .p2align 4 -LABEL(ashr_5_exittail): - movdqa (%rsi, %rcx), %xmm1 - psrldq $5, %xmm0 - psrldq $5, %xmm3 - jmp LABEL(aftertail) - -/* - * The following cases will be handled by ashr_6 - * rcx(offset of rsi) rax(offset of rdi) relative offset corresponding case - * n(10~15) n - 10 5(15 +(n-10) - n) ashr_6 - */ - .p2align 4 -LABEL(ashr_6): - pxor %xmm0, %xmm0 - movdqa (%rdi), %xmm2 - movdqa (%rsi), %xmm1 - pcmpeqb %xmm1, %xmm0 - pslldq $10, %xmm2 - TOLOWER (%xmm1, %xmm2) - pcmpeqb %xmm1, %xmm2 - psubb %xmm0, %xmm2 - pmovmskb %xmm2, %r9d - shr %cl, %edx - shr %cl, %r9d - sub %r9d, %edx - jnz LABEL(less32bytes) - movdqa (%rdi), %xmm3 - - UPDATE_STRNCMP_COUNTER - - pxor %xmm0, %xmm0 - mov $16, %rcx /* index for loads */ - mov $6, %r9d /* byte position left over from less32bytes case */ - /* - * Setup %r10 value allows us to detect crossing a page boundary. - * When %r10 goes positive we have crossed a page boundary and - * need to do a nibble. - */ - lea 6(%rdi), %r10 - and $0xfff, %r10 /* offset into 4K page */ - sub $0x1000, %r10 /* subtract 4K pagesize */ - - .p2align 4 -LABEL(loop_ashr_6): - add $16, %r10 - jg LABEL(nibble_ashr_6) - -LABEL(gobble_ashr_6): - movdqa (%rsi, %rcx), %xmm1 - movdqa (%rdi, %rcx), %xmm2 - movdqa %xmm2, %xmm4 - - psrldq $6, %xmm3 - pslldq $10, %xmm2 - por %xmm3, %xmm2 /* merge into one 16byte value */ - - TOLOWER (%xmm1, %xmm2) - - pcmpeqb %xmm1, %xmm0 - pcmpeqb %xmm2, %xmm1 - psubb %xmm0, %xmm1 - pmovmskb %xmm1, %edx - sub $0xffff, %edx - jnz LABEL(exit) - -#if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L - sub $16, %r11 - jbe LABEL(strcmp_exitz) -#endif - - add $16, %rcx - movdqa %xmm4, %xmm3 - - add $16, %r10 - jg LABEL(nibble_ashr_6) /* cross page boundary */ - - movdqa (%rsi, %rcx), %xmm1 - movdqa (%rdi, %rcx), %xmm2 - movdqa %xmm2, %xmm4 - - psrldq $6, %xmm3 - pslldq $10, %xmm2 - por %xmm3, %xmm2 /* merge into one 16byte value */ - - TOLOWER (%xmm1, %xmm2) - - pcmpeqb %xmm1, %xmm0 - pcmpeqb %xmm2, %xmm1 - psubb %xmm0, %xmm1 - pmovmskb %xmm1, %edx - sub $0xffff, %edx - jnz LABEL(exit) - -#if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L - sub $16, %r11 - jbe LABEL(strcmp_exitz) -#endif - - add $16, %rcx - movdqa %xmm4, %xmm3 - jmp LABEL(loop_ashr_6) - - .p2align 4 -LABEL(nibble_ashr_6): - pcmpeqb %xmm3, %xmm0 /* check nibble for null char */ - pmovmskb %xmm0, %edx - test $0xffc0, %edx - jnz LABEL(ashr_6_exittail) - -#if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L - cmp $10, %r11 - jbe LABEL(ashr_6_exittail) -#endif - - pxor %xmm0, %xmm0 - sub $0x1000, %r10 - jmp LABEL(gobble_ashr_6) - - .p2align 4 -LABEL(ashr_6_exittail): - movdqa (%rsi, %rcx), %xmm1 - psrldq $6, %xmm0 - psrldq $6, %xmm3 - jmp LABEL(aftertail) - -/* - * The following cases will be handled by ashr_7 - * rcx(offset of rsi) rax(offset of rdi) relative offset corresponding case - * n(9~15) n - 9 6(15 +(n - 9) - n) ashr_7 - */ - .p2align 4 -LABEL(ashr_7): - pxor %xmm0, %xmm0 - movdqa (%rdi), %xmm2 - movdqa (%rsi), %xmm1 - pcmpeqb %xmm1, %xmm0 - pslldq $9, %xmm2 - TOLOWER (%xmm1, %xmm2) - pcmpeqb %xmm1, %xmm2 - psubb %xmm0, %xmm2 - pmovmskb %xmm2, %r9d - shr %cl, %edx - shr %cl, %r9d - sub %r9d, %edx - jnz LABEL(less32bytes) - movdqa (%rdi), %xmm3 - - UPDATE_STRNCMP_COUNTER - - pxor %xmm0, %xmm0 - mov $16, %rcx /* index for loads */ - mov $7, %r9d /* byte position left over from less32bytes case */ - /* - * Setup %r10 value allows us to detect crossing a page boundary. - * When %r10 goes positive we have crossed a page boundary and - * need to do a nibble. - */ - lea 7(%rdi), %r10 - and $0xfff, %r10 /* offset into 4K page */ - sub $0x1000, %r10 /* subtract 4K pagesize */ - - .p2align 4 -LABEL(loop_ashr_7): - add $16, %r10 - jg LABEL(nibble_ashr_7) - -LABEL(gobble_ashr_7): - movdqa (%rsi, %rcx), %xmm1 - movdqa (%rdi, %rcx), %xmm2 - movdqa %xmm2, %xmm4 - - psrldq $7, %xmm3 - pslldq $9, %xmm2 - por %xmm3, %xmm2 /* merge into one 16byte value */ - - TOLOWER (%xmm1, %xmm2) - - pcmpeqb %xmm1, %xmm0 - pcmpeqb %xmm2, %xmm1 - psubb %xmm0, %xmm1 - pmovmskb %xmm1, %edx - sub $0xffff, %edx - jnz LABEL(exit) - -#if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L - sub $16, %r11 - jbe LABEL(strcmp_exitz) -#endif - - add $16, %rcx - movdqa %xmm4, %xmm3 - - add $16, %r10 - jg LABEL(nibble_ashr_7) /* cross page boundary */ - - movdqa (%rsi, %rcx), %xmm1 - movdqa (%rdi, %rcx), %xmm2 - movdqa %xmm2, %xmm4 - - psrldq $7, %xmm3 - pslldq $9, %xmm2 - por %xmm3, %xmm2 /* merge into one 16byte value */ - - TOLOWER (%xmm1, %xmm2) - - pcmpeqb %xmm1, %xmm0 - pcmpeqb %xmm2, %xmm1 - psubb %xmm0, %xmm1 - pmovmskb %xmm1, %edx - sub $0xffff, %edx - jnz LABEL(exit) - -#if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L - sub $16, %r11 - jbe LABEL(strcmp_exitz) -#endif - - add $16, %rcx - movdqa %xmm4, %xmm3 - jmp LABEL(loop_ashr_7) - - .p2align 4 -LABEL(nibble_ashr_7): - pcmpeqb %xmm3, %xmm0 /* check nibble for null char */ - pmovmskb %xmm0, %edx - test $0xff80, %edx - jnz LABEL(ashr_7_exittail) - -#if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L - cmp $9, %r11 - jbe LABEL(ashr_7_exittail) -#endif - - pxor %xmm0, %xmm0 - sub $0x1000, %r10 - jmp LABEL(gobble_ashr_7) - - .p2align 4 -LABEL(ashr_7_exittail): - movdqa (%rsi, %rcx), %xmm1 - psrldq $7, %xmm0 - psrldq $7, %xmm3 - jmp LABEL(aftertail) - -/* - * The following cases will be handled by ashr_8 - * rcx(offset of rsi) rax(offset of rdi) relative offset corresponding case - * n(8~15) n - 8 7(15 +(n - 8) - n) ashr_8 - */ - .p2align 4 -LABEL(ashr_8): - pxor %xmm0, %xmm0 - movdqa (%rdi), %xmm2 - movdqa (%rsi), %xmm1 - pcmpeqb %xmm1, %xmm0 - pslldq $8, %xmm2 - TOLOWER (%xmm1, %xmm2) - pcmpeqb %xmm1, %xmm2 - psubb %xmm0, %xmm2 - pmovmskb %xmm2, %r9d - shr %cl, %edx - shr %cl, %r9d - sub %r9d, %edx - jnz LABEL(less32bytes) - movdqa (%rdi), %xmm3 - - UPDATE_STRNCMP_COUNTER - - pxor %xmm0, %xmm0 - mov $16, %rcx /* index for loads */ - mov $8, %r9d /* byte position left over from less32bytes case */ - /* - * Setup %r10 value allows us to detect crossing a page boundary. - * When %r10 goes positive we have crossed a page boundary and - * need to do a nibble. - */ - lea 8(%rdi), %r10 - and $0xfff, %r10 /* offset into 4K page */ - sub $0x1000, %r10 /* subtract 4K pagesize */ - - .p2align 4 -LABEL(loop_ashr_8): - add $16, %r10 - jg LABEL(nibble_ashr_8) - -LABEL(gobble_ashr_8): - movdqa (%rsi, %rcx), %xmm1 - movdqa (%rdi, %rcx), %xmm2 - movdqa %xmm2, %xmm4 - - psrldq $8, %xmm3 - pslldq $8, %xmm2 - por %xmm3, %xmm2 /* merge into one 16byte value */ - - TOLOWER (%xmm1, %xmm2) - - pcmpeqb %xmm1, %xmm0 - pcmpeqb %xmm2, %xmm1 - psubb %xmm0, %xmm1 - pmovmskb %xmm1, %edx - sub $0xffff, %edx - jnz LABEL(exit) - -#if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L - sub $16, %r11 - jbe LABEL(strcmp_exitz) -#endif - - add $16, %rcx - movdqa %xmm4, %xmm3 - - add $16, %r10 - jg LABEL(nibble_ashr_8) /* cross page boundary */ - - movdqa (%rsi, %rcx), %xmm1 - movdqa (%rdi, %rcx), %xmm2 - movdqa %xmm2, %xmm4 - - psrldq $8, %xmm3 - pslldq $8, %xmm2 - por %xmm3, %xmm2 /* merge into one 16byte value */ - - TOLOWER (%xmm1, %xmm2) - - pcmpeqb %xmm1, %xmm0 - pcmpeqb %xmm2, %xmm1 - psubb %xmm0, %xmm1 - pmovmskb %xmm1, %edx - sub $0xffff, %edx - jnz LABEL(exit) - -#if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L - sub $16, %r11 - jbe LABEL(strcmp_exitz) -#endif - - add $16, %rcx - movdqa %xmm4, %xmm3 - jmp LABEL(loop_ashr_8) - - .p2align 4 -LABEL(nibble_ashr_8): - pcmpeqb %xmm3, %xmm0 /* check nibble for null char */ - pmovmskb %xmm0, %edx - test $0xff00, %edx - jnz LABEL(ashr_8_exittail) - -#if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L - cmp $8, %r11 - jbe LABEL(ashr_8_exittail) -#endif - - pxor %xmm0, %xmm0 - sub $0x1000, %r10 - jmp LABEL(gobble_ashr_8) - - .p2align 4 -LABEL(ashr_8_exittail): - movdqa (%rsi, %rcx), %xmm1 - psrldq $8, %xmm0 - psrldq $8, %xmm3 - jmp LABEL(aftertail) - -/* - * The following cases will be handled by ashr_9 - * rcx(offset of rsi) rax(offset of rdi) relative offset corresponding case - * n(7~15) n - 7 8(15 +(n - 7) - n) ashr_9 - */ - .p2align 4 -LABEL(ashr_9): - pxor %xmm0, %xmm0 - movdqa (%rdi), %xmm2 - movdqa (%rsi), %xmm1 - pcmpeqb %xmm1, %xmm0 - pslldq $7, %xmm2 - TOLOWER (%xmm1, %xmm2) - pcmpeqb %xmm1, %xmm2 - psubb %xmm0, %xmm2 - pmovmskb %xmm2, %r9d - shr %cl, %edx - shr %cl, %r9d - sub %r9d, %edx - jnz LABEL(less32bytes) - movdqa (%rdi), %xmm3 - - UPDATE_STRNCMP_COUNTER - - pxor %xmm0, %xmm0 - mov $16, %rcx /* index for loads */ - mov $9, %r9d /* byte position left over from less32bytes case */ - /* - * Setup %r10 value allows us to detect crossing a page boundary. - * When %r10 goes positive we have crossed a page boundary and - * need to do a nibble. - */ - lea 9(%rdi), %r10 - and $0xfff, %r10 /* offset into 4K page */ - sub $0x1000, %r10 /* subtract 4K pagesize */ - - .p2align 4 -LABEL(loop_ashr_9): - add $16, %r10 - jg LABEL(nibble_ashr_9) - -LABEL(gobble_ashr_9): - movdqa (%rsi, %rcx), %xmm1 - movdqa (%rdi, %rcx), %xmm2 - movdqa %xmm2, %xmm4 - - psrldq $9, %xmm3 - pslldq $7, %xmm2 - por %xmm3, %xmm2 /* merge into one 16byte value */ - - TOLOWER (%xmm1, %xmm2) - - pcmpeqb %xmm1, %xmm0 - pcmpeqb %xmm2, %xmm1 - psubb %xmm0, %xmm1 - pmovmskb %xmm1, %edx - sub $0xffff, %edx - jnz LABEL(exit) - -#if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L - sub $16, %r11 - jbe LABEL(strcmp_exitz) -#endif - - add $16, %rcx - movdqa %xmm4, %xmm3 - - add $16, %r10 - jg LABEL(nibble_ashr_9) /* cross page boundary */ - - movdqa (%rsi, %rcx), %xmm1 - movdqa (%rdi, %rcx), %xmm2 - movdqa %xmm2, %xmm4 - - psrldq $9, %xmm3 - pslldq $7, %xmm2 - por %xmm3, %xmm2 /* merge into one 16byte value */ - - TOLOWER (%xmm1, %xmm2) - - pcmpeqb %xmm1, %xmm0 - pcmpeqb %xmm2, %xmm1 - psubb %xmm0, %xmm1 - pmovmskb %xmm1, %edx - sub $0xffff, %edx - jnz LABEL(exit) - -#if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L - sub $16, %r11 - jbe LABEL(strcmp_exitz) -#endif - - add $16, %rcx - movdqa %xmm4, %xmm3 /* store for next cycle */ - jmp LABEL(loop_ashr_9) - - .p2align 4 -LABEL(nibble_ashr_9): - pcmpeqb %xmm3, %xmm0 /* check nibble for null char */ - pmovmskb %xmm0, %edx - test $0xfe00, %edx - jnz LABEL(ashr_9_exittail) - -#if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L - cmp $7, %r11 - jbe LABEL(ashr_9_exittail) -#endif - - pxor %xmm0, %xmm0 - sub $0x1000, %r10 - jmp LABEL(gobble_ashr_9) - - .p2align 4 -LABEL(ashr_9_exittail): - movdqa (%rsi, %rcx), %xmm1 - psrldq $9, %xmm0 - psrldq $9, %xmm3 - jmp LABEL(aftertail) - -/* - * The following cases will be handled by ashr_10 - * rcx(offset of rsi) rax(offset of rdi) relative offset corresponding case - * n(6~15) n - 6 9(15 +(n - 6) - n) ashr_10 - */ - .p2align 4 -LABEL(ashr_10): - pxor %xmm0, %xmm0 - movdqa (%rdi), %xmm2 - movdqa (%rsi), %xmm1 - pcmpeqb %xmm1, %xmm0 - pslldq $6, %xmm2 - TOLOWER (%xmm1, %xmm2) - pcmpeqb %xmm1, %xmm2 - psubb %xmm0, %xmm2 - pmovmskb %xmm2, %r9d - shr %cl, %edx - shr %cl, %r9d - sub %r9d, %edx - jnz LABEL(less32bytes) - movdqa (%rdi), %xmm3 - - UPDATE_STRNCMP_COUNTER - - pxor %xmm0, %xmm0 - mov $16, %rcx /* index for loads */ - mov $10, %r9d /* byte position left over from less32bytes case */ - /* - * Setup %r10 value allows us to detect crossing a page boundary. - * When %r10 goes positive we have crossed a page boundary and - * need to do a nibble. - */ - lea 10(%rdi), %r10 - and $0xfff, %r10 /* offset into 4K page */ - sub $0x1000, %r10 /* subtract 4K pagesize */ - - .p2align 4 -LABEL(loop_ashr_10): - add $16, %r10 - jg LABEL(nibble_ashr_10) - -LABEL(gobble_ashr_10): - movdqa (%rsi, %rcx), %xmm1 - movdqa (%rdi, %rcx), %xmm2 - movdqa %xmm2, %xmm4 - - psrldq $10, %xmm3 - pslldq $6, %xmm2 - por %xmm3, %xmm2 /* merge into one 16byte value */ - - TOLOWER (%xmm1, %xmm2) - - pcmpeqb %xmm1, %xmm0 - pcmpeqb %xmm2, %xmm1 - psubb %xmm0, %xmm1 - pmovmskb %xmm1, %edx - sub $0xffff, %edx - jnz LABEL(exit) - -#if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L - sub $16, %r11 - jbe LABEL(strcmp_exitz) -#endif - - add $16, %rcx - movdqa %xmm4, %xmm3 - - add $16, %r10 - jg LABEL(nibble_ashr_10) /* cross page boundary */ - - movdqa (%rsi, %rcx), %xmm1 - movdqa (%rdi, %rcx), %xmm2 - movdqa %xmm2, %xmm4 - - psrldq $10, %xmm3 - pslldq $6, %xmm2 - por %xmm3, %xmm2 /* merge into one 16byte value */ - - TOLOWER (%xmm1, %xmm2) - - pcmpeqb %xmm1, %xmm0 - pcmpeqb %xmm2, %xmm1 - psubb %xmm0, %xmm1 - pmovmskb %xmm1, %edx - sub $0xffff, %edx - jnz LABEL(exit) - -#if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L - sub $16, %r11 - jbe LABEL(strcmp_exitz) -#endif - - add $16, %rcx - movdqa %xmm4, %xmm3 - jmp LABEL(loop_ashr_10) - - .p2align 4 -LABEL(nibble_ashr_10): - pcmpeqb %xmm3, %xmm0 /* check nibble for null char */ - pmovmskb %xmm0, %edx - test $0xfc00, %edx - jnz LABEL(ashr_10_exittail) - -#if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L - cmp $6, %r11 - jbe LABEL(ashr_10_exittail) -#endif - - pxor %xmm0, %xmm0 - sub $0x1000, %r10 - jmp LABEL(gobble_ashr_10) - - .p2align 4 -LABEL(ashr_10_exittail): - movdqa (%rsi, %rcx), %xmm1 - psrldq $10, %xmm0 - psrldq $10, %xmm3 - jmp LABEL(aftertail) - -/* - * The following cases will be handled by ashr_11 - * rcx(offset of rsi) rax(offset of rdi) relative offset corresponding case - * n(5~15) n - 5 10(15 +(n - 5) - n) ashr_11 - */ - .p2align 4 -LABEL(ashr_11): - pxor %xmm0, %xmm0 - movdqa (%rdi), %xmm2 - movdqa (%rsi), %xmm1 - pcmpeqb %xmm1, %xmm0 - pslldq $5, %xmm2 - TOLOWER (%xmm1, %xmm2) - pcmpeqb %xmm1, %xmm2 - psubb %xmm0, %xmm2 - pmovmskb %xmm2, %r9d - shr %cl, %edx - shr %cl, %r9d - sub %r9d, %edx - jnz LABEL(less32bytes) - movdqa (%rdi), %xmm3 - - UPDATE_STRNCMP_COUNTER - - pxor %xmm0, %xmm0 - mov $16, %rcx /* index for loads */ - mov $11, %r9d /* byte position left over from less32bytes case */ - /* - * Setup %r10 value allows us to detect crossing a page boundary. - * When %r10 goes positive we have crossed a page boundary and - * need to do a nibble. - */ - lea 11(%rdi), %r10 - and $0xfff, %r10 /* offset into 4K page */ - sub $0x1000, %r10 /* subtract 4K pagesize */ - - .p2align 4 -LABEL(loop_ashr_11): - add $16, %r10 - jg LABEL(nibble_ashr_11) - -LABEL(gobble_ashr_11): - movdqa (%rsi, %rcx), %xmm1 - movdqa (%rdi, %rcx), %xmm2 - movdqa %xmm2, %xmm4 - - psrldq $11, %xmm3 - pslldq $5, %xmm2 - por %xmm3, %xmm2 /* merge into one 16byte value */ - - TOLOWER (%xmm1, %xmm2) - - pcmpeqb %xmm1, %xmm0 - pcmpeqb %xmm2, %xmm1 - psubb %xmm0, %xmm1 - pmovmskb %xmm1, %edx - sub $0xffff, %edx - jnz LABEL(exit) - -#if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L - sub $16, %r11 - jbe LABEL(strcmp_exitz) -#endif - - add $16, %rcx - movdqa %xmm4, %xmm3 - - add $16, %r10 - jg LABEL(nibble_ashr_11) /* cross page boundary */ - - movdqa (%rsi, %rcx), %xmm1 - movdqa (%rdi, %rcx), %xmm2 - movdqa %xmm2, %xmm4 - - psrldq $11, %xmm3 - pslldq $5, %xmm2 - por %xmm3, %xmm2 /* merge into one 16byte value */ - - TOLOWER (%xmm1, %xmm2) - - pcmpeqb %xmm1, %xmm0 - pcmpeqb %xmm2, %xmm1 - psubb %xmm0, %xmm1 - pmovmskb %xmm1, %edx - sub $0xffff, %edx - jnz LABEL(exit) - -#if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L - sub $16, %r11 - jbe LABEL(strcmp_exitz) -#endif - - add $16, %rcx - movdqa %xmm4, %xmm3 - jmp LABEL(loop_ashr_11) - - .p2align 4 -LABEL(nibble_ashr_11): - pcmpeqb %xmm3, %xmm0 /* check nibble for null char */ - pmovmskb %xmm0, %edx - test $0xf800, %edx - jnz LABEL(ashr_11_exittail) - -#if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L - cmp $5, %r11 - jbe LABEL(ashr_11_exittail) -#endif - - pxor %xmm0, %xmm0 - sub $0x1000, %r10 - jmp LABEL(gobble_ashr_11) - - .p2align 4 -LABEL(ashr_11_exittail): - movdqa (%rsi, %rcx), %xmm1 - psrldq $11, %xmm0 - psrldq $11, %xmm3 - jmp LABEL(aftertail) - -/* - * The following cases will be handled by ashr_12 - * rcx(offset of rsi) rax(offset of rdi) relative offset corresponding case - * n(4~15) n - 4 11(15 +(n - 4) - n) ashr_12 - */ - .p2align 4 -LABEL(ashr_12): - pxor %xmm0, %xmm0 - movdqa (%rdi), %xmm2 - movdqa (%rsi), %xmm1 - pcmpeqb %xmm1, %xmm0 - pslldq $4, %xmm2 - TOLOWER (%xmm1, %xmm2) - pcmpeqb %xmm1, %xmm2 - psubb %xmm0, %xmm2 - pmovmskb %xmm2, %r9d - shr %cl, %edx - shr %cl, %r9d - sub %r9d, %edx - jnz LABEL(less32bytes) - movdqa (%rdi), %xmm3 - - UPDATE_STRNCMP_COUNTER - - pxor %xmm0, %xmm0 - mov $16, %rcx /* index for loads */ - mov $12, %r9d /* byte position left over from less32bytes case */ - /* - * Setup %r10 value allows us to detect crossing a page boundary. - * When %r10 goes positive we have crossed a page boundary and - * need to do a nibble. - */ - lea 12(%rdi), %r10 - and $0xfff, %r10 /* offset into 4K page */ - sub $0x1000, %r10 /* subtract 4K pagesize */ - - .p2align 4 -LABEL(loop_ashr_12): - add $16, %r10 - jg LABEL(nibble_ashr_12) - -LABEL(gobble_ashr_12): - movdqa (%rsi, %rcx), %xmm1 - movdqa (%rdi, %rcx), %xmm2 - movdqa %xmm2, %xmm4 - - psrldq $12, %xmm3 - pslldq $4, %xmm2 - por %xmm3, %xmm2 /* merge into one 16byte value */ - - TOLOWER (%xmm1, %xmm2) - - pcmpeqb %xmm1, %xmm0 - pcmpeqb %xmm2, %xmm1 - psubb %xmm0, %xmm1 - pmovmskb %xmm1, %edx - sub $0xffff, %edx - jnz LABEL(exit) - -#if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L - sub $16, %r11 - jbe LABEL(strcmp_exitz) -#endif - - add $16, %rcx - movdqa %xmm4, %xmm3 - - add $16, %r10 - jg LABEL(nibble_ashr_12) /* cross page boundary */ - - movdqa (%rsi, %rcx), %xmm1 - movdqa (%rdi, %rcx), %xmm2 - movdqa %xmm2, %xmm4 - - psrldq $12, %xmm3 - pslldq $4, %xmm2 - por %xmm3, %xmm2 /* merge into one 16byte value */ - - TOLOWER (%xmm1, %xmm2) - - pcmpeqb %xmm1, %xmm0 - pcmpeqb %xmm2, %xmm1 - psubb %xmm0, %xmm1 - pmovmskb %xmm1, %edx - sub $0xffff, %edx - jnz LABEL(exit) - -#if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L - sub $16, %r11 - jbe LABEL(strcmp_exitz) -#endif - - add $16, %rcx - movdqa %xmm4, %xmm3 - jmp LABEL(loop_ashr_12) - - .p2align 4 -LABEL(nibble_ashr_12): - pcmpeqb %xmm3, %xmm0 /* check nibble for null char */ - pmovmskb %xmm0, %edx - test $0xf000, %edx - jnz LABEL(ashr_12_exittail) - -#if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L - cmp $4, %r11 - jbe LABEL(ashr_12_exittail) -#endif - - pxor %xmm0, %xmm0 - sub $0x1000, %r10 - jmp LABEL(gobble_ashr_12) - - .p2align 4 -LABEL(ashr_12_exittail): - movdqa (%rsi, %rcx), %xmm1 - psrldq $12, %xmm0 - psrldq $12, %xmm3 - jmp LABEL(aftertail) - -/* - * The following cases will be handled by ashr_13 - * rcx(offset of rsi) rax(offset of rdi) relative offset corresponding case - * n(3~15) n - 3 12(15 +(n - 3) - n) ashr_13 - */ - .p2align 4 -LABEL(ashr_13): - pxor %xmm0, %xmm0 - movdqa (%rdi), %xmm2 - movdqa (%rsi), %xmm1 - pcmpeqb %xmm1, %xmm0 - pslldq $3, %xmm2 - TOLOWER (%xmm1, %xmm2) - pcmpeqb %xmm1, %xmm2 - psubb %xmm0, %xmm2 - pmovmskb %xmm2, %r9d - shr %cl, %edx - shr %cl, %r9d - sub %r9d, %edx - jnz LABEL(less32bytes) - movdqa (%rdi), %xmm3 - - UPDATE_STRNCMP_COUNTER - - pxor %xmm0, %xmm0 - mov $16, %rcx /* index for loads */ - mov $13, %r9d /* byte position left over from less32bytes case */ - /* - * Setup %r10 value allows us to detect crossing a page boundary. - * When %r10 goes positive we have crossed a page boundary and - * need to do a nibble. - */ - lea 13(%rdi), %r10 - and $0xfff, %r10 /* offset into 4K page */ - sub $0x1000, %r10 /* subtract 4K pagesize */ - - .p2align 4 -LABEL(loop_ashr_13): - add $16, %r10 - jg LABEL(nibble_ashr_13) - -LABEL(gobble_ashr_13): - movdqa (%rsi, %rcx), %xmm1 - movdqa (%rdi, %rcx), %xmm2 - movdqa %xmm2, %xmm4 - - psrldq $13, %xmm3 - pslldq $3, %xmm2 - por %xmm3, %xmm2 /* merge into one 16byte value */ - - TOLOWER (%xmm1, %xmm2) - - pcmpeqb %xmm1, %xmm0 - pcmpeqb %xmm2, %xmm1 - psubb %xmm0, %xmm1 - pmovmskb %xmm1, %edx - sub $0xffff, %edx - jnz LABEL(exit) - -#if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L - sub $16, %r11 - jbe LABEL(strcmp_exitz) -#endif - - add $16, %rcx - movdqa %xmm4, %xmm3 - - add $16, %r10 - jg LABEL(nibble_ashr_13) /* cross page boundary */ - - movdqa (%rsi, %rcx), %xmm1 - movdqa (%rdi, %rcx), %xmm2 - movdqa %xmm2, %xmm4 - - psrldq $13, %xmm3 - pslldq $3, %xmm2 - por %xmm3, %xmm2 /* merge into one 16byte value */ - - TOLOWER (%xmm1, %xmm2) - - pcmpeqb %xmm1, %xmm0 - pcmpeqb %xmm2, %xmm1 - psubb %xmm0, %xmm1 - pmovmskb %xmm1, %edx - sub $0xffff, %edx - jnz LABEL(exit) - -#if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L - sub $16, %r11 - jbe LABEL(strcmp_exitz) -#endif - - add $16, %rcx - movdqa %xmm4, %xmm3 - jmp LABEL(loop_ashr_13) - - .p2align 4 -LABEL(nibble_ashr_13): - pcmpeqb %xmm3, %xmm0 /* check nibble for null char */ - pmovmskb %xmm0, %edx - test $0xe000, %edx - jnz LABEL(ashr_13_exittail) - -#if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L - cmp $3, %r11 - jbe LABEL(ashr_13_exittail) -#endif - - pxor %xmm0, %xmm0 - sub $0x1000, %r10 - jmp LABEL(gobble_ashr_13) - - .p2align 4 -LABEL(ashr_13_exittail): - movdqa (%rsi, %rcx), %xmm1 - psrldq $13, %xmm0 - psrldq $13, %xmm3 - jmp LABEL(aftertail) - -/* - * The following cases will be handled by ashr_14 - * rcx(offset of rsi) rax(offset of rdi) relative offset corresponding case - * n(2~15) n - 2 13(15 +(n - 2) - n) ashr_14 - */ - .p2align 4 -LABEL(ashr_14): - pxor %xmm0, %xmm0 - movdqa (%rdi), %xmm2 - movdqa (%rsi), %xmm1 - pcmpeqb %xmm1, %xmm0 - pslldq $2, %xmm2 - TOLOWER (%xmm1, %xmm2) - pcmpeqb %xmm1, %xmm2 - psubb %xmm0, %xmm2 - pmovmskb %xmm2, %r9d - shr %cl, %edx - shr %cl, %r9d - sub %r9d, %edx - jnz LABEL(less32bytes) - movdqa (%rdi), %xmm3 - - UPDATE_STRNCMP_COUNTER - - pxor %xmm0, %xmm0 - mov $16, %rcx /* index for loads */ - mov $14, %r9d /* byte position left over from less32bytes case */ - /* - * Setup %r10 value allows us to detect crossing a page boundary. - * When %r10 goes positive we have crossed a page boundary and - * need to do a nibble. - */ - lea 14(%rdi), %r10 - and $0xfff, %r10 /* offset into 4K page */ - sub $0x1000, %r10 /* subtract 4K pagesize */ - - .p2align 4 -LABEL(loop_ashr_14): - add $16, %r10 - jg LABEL(nibble_ashr_14) - -LABEL(gobble_ashr_14): - movdqa (%rsi, %rcx), %xmm1 - movdqa (%rdi, %rcx), %xmm2 - movdqa %xmm2, %xmm4 - - psrldq $14, %xmm3 - pslldq $2, %xmm2 - por %xmm3, %xmm2 /* merge into one 16byte value */ - - TOLOWER (%xmm1, %xmm2) - - pcmpeqb %xmm1, %xmm0 - pcmpeqb %xmm2, %xmm1 - psubb %xmm0, %xmm1 - pmovmskb %xmm1, %edx - sub $0xffff, %edx - jnz LABEL(exit) - -#if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L - sub $16, %r11 - jbe LABEL(strcmp_exitz) -#endif - - add $16, %rcx - movdqa %xmm4, %xmm3 - - add $16, %r10 - jg LABEL(nibble_ashr_14) /* cross page boundary */ - - movdqa (%rsi, %rcx), %xmm1 - movdqa (%rdi, %rcx), %xmm2 - movdqa %xmm2, %xmm4 - - psrldq $14, %xmm3 - pslldq $2, %xmm2 - por %xmm3, %xmm2 /* merge into one 16byte value */ - - TOLOWER (%xmm1, %xmm2) - - pcmpeqb %xmm1, %xmm0 - pcmpeqb %xmm2, %xmm1 - psubb %xmm0, %xmm1 - pmovmskb %xmm1, %edx - sub $0xffff, %edx - jnz LABEL(exit) - -#if defined USE_AS_STRNCMP | defined USE_AS_STRNCASECMP_L - sub $16, %r11 - jbe LABEL(strcmp_exitz) -#endif - - add $16, %rcx - movdqa %xmm4, %xmm3 - jmp LABEL(loop_ashr_14) - - .p2align 4 -LABEL(nibble_ashr_14): - pcmpeqb %xmm3, %xmm0 /* check nibble for null char */ - pmovmskb %xmm0, %edx - test $0xc000, %edx - jnz LABEL(ashr_14_exittail) - -#if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L - cmp $2, %r11 - jbe LABEL(ashr_14_exittail) -#endif - - pxor %xmm0, %xmm0 - sub $0x1000, %r10 - jmp LABEL(gobble_ashr_14) - - .p2align 4 -LABEL(ashr_14_exittail): - movdqa (%rsi, %rcx), %xmm1 - psrldq $14, %xmm0 - psrldq $14, %xmm3 - jmp LABEL(aftertail) - -/* - * The following cases will be handled by ashr_15 - * rcx(offset of rsi) rax(offset of rdi) relative offset corresponding case - * n(1~15) n - 1 14(15 +(n - 1) - n) ashr_15 - */ - .p2align 4 -LABEL(ashr_15): - pxor %xmm0, %xmm0 - movdqa (%rdi), %xmm2 - movdqa (%rsi), %xmm1 - pcmpeqb %xmm1, %xmm0 - pslldq $1, %xmm2 - TOLOWER (%xmm1, %xmm2) - pcmpeqb %xmm1, %xmm2 - psubb %xmm0, %xmm2 - pmovmskb %xmm2, %r9d - shr %cl, %edx - shr %cl, %r9d - sub %r9d, %edx - jnz LABEL(less32bytes) - - movdqa (%rdi), %xmm3 - - UPDATE_STRNCMP_COUNTER - - pxor %xmm0, %xmm0 - mov $16, %rcx /* index for loads */ - mov $15, %r9d /* byte position left over from less32bytes case */ - /* - * Setup %r10 value allows us to detect crossing a page boundary. - * When %r10 goes positive we have crossed a page boundary and - * need to do a nibble. - */ - lea 15(%rdi), %r10 - and $0xfff, %r10 /* offset into 4K page */ - - sub $0x1000, %r10 /* subtract 4K pagesize */ - - .p2align 4 -LABEL(loop_ashr_15): - add $16, %r10 - jg LABEL(nibble_ashr_15) - -LABEL(gobble_ashr_15): - movdqa (%rsi, %rcx), %xmm1 - movdqa (%rdi, %rcx), %xmm2 - movdqa %xmm2, %xmm4 - - psrldq $15, %xmm3 - pslldq $1, %xmm2 - por %xmm3, %xmm2 /* merge into one 16byte value */ - - TOLOWER (%xmm1, %xmm2) - - pcmpeqb %xmm1, %xmm0 - pcmpeqb %xmm2, %xmm1 - psubb %xmm0, %xmm1 - pmovmskb %xmm1, %edx - sub $0xffff, %edx - jnz LABEL(exit) - -#if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L - sub $16, %r11 - jbe LABEL(strcmp_exitz) -#endif - - add $16, %rcx - movdqa %xmm4, %xmm3 - - add $16, %r10 - jg LABEL(nibble_ashr_15) /* cross page boundary */ - - movdqa (%rsi, %rcx), %xmm1 - movdqa (%rdi, %rcx), %xmm2 - movdqa %xmm2, %xmm4 - - psrldq $15, %xmm3 - pslldq $1, %xmm2 - por %xmm3, %xmm2 /* merge into one 16byte value */ - - TOLOWER (%xmm1, %xmm2) - - pcmpeqb %xmm1, %xmm0 - pcmpeqb %xmm2, %xmm1 - psubb %xmm0, %xmm1 - pmovmskb %xmm1, %edx - sub $0xffff, %edx - jnz LABEL(exit) - -#if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L - sub $16, %r11 - jbe LABEL(strcmp_exitz) -#endif - - add $16, %rcx - movdqa %xmm4, %xmm3 - jmp LABEL(loop_ashr_15) - - .p2align 4 -LABEL(nibble_ashr_15): - pcmpeqb %xmm3, %xmm0 /* check nibble for null char */ - pmovmskb %xmm0, %edx - test $0x8000, %edx - jnz LABEL(ashr_15_exittail) - -#if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L - cmpq $1, %r11 - jbe LABEL(ashr_15_exittail) -#endif - - pxor %xmm0, %xmm0 - sub $0x1000, %r10 - jmp LABEL(gobble_ashr_15) - - .p2align 4 -LABEL(ashr_15_exittail): - movdqa (%rsi, %rcx), %xmm1 - psrldq $15, %xmm3 - psrldq $15, %xmm0 - - .p2align 4 -LABEL(aftertail): - TOLOWER (%xmm1, %xmm3) - pcmpeqb %xmm3, %xmm1 - psubb %xmm0, %xmm1 - pmovmskb %xmm1, %edx - not %edx - - .p2align 4 -LABEL(exit): - lea -16(%r9, %rcx), %rax /* locate the exact offset for rdi */ -LABEL(less32bytes): - lea (%rdi, %rax), %rdi /* locate the exact address for first operand(rdi) */ - lea (%rsi, %rcx), %rsi /* locate the exact address for second operand(rsi) */ - test %r8d, %r8d - jz LABEL(ret) - xchg %rsi, %rdi /* recover original order according to flag(%r8d) */ - - .p2align 4 -LABEL(ret): -LABEL(less16bytes): - bsf %rdx, %rdx /* find and store bit index in %rdx */ - -#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 - -#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 - -LABEL(strcmp_exitz): - xor %eax, %eax - ret - - .p2align 4 -LABEL(Byte0): - movzbl (%rsi), %ecx - movzbl (%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 (STRCMP) - - .section .rodata,"a",@progbits - .p2align 3 -LABEL(unaligned_table): - .int LABEL(ashr_1) - LABEL(unaligned_table) - .int LABEL(ashr_2) - LABEL(unaligned_table) - .int LABEL(ashr_3) - LABEL(unaligned_table) - .int LABEL(ashr_4) - LABEL(unaligned_table) - .int LABEL(ashr_5) - LABEL(unaligned_table) - .int LABEL(ashr_6) - LABEL(unaligned_table) - .int LABEL(ashr_7) - LABEL(unaligned_table) - .int LABEL(ashr_8) - LABEL(unaligned_table) - .int LABEL(ashr_9) - LABEL(unaligned_table) - .int LABEL(ashr_10) - LABEL(unaligned_table) - .int LABEL(ashr_11) - LABEL(unaligned_table) - .int LABEL(ashr_12) - LABEL(unaligned_table) - .int LABEL(ashr_13) - LABEL(unaligned_table) - .int LABEL(ashr_14) - LABEL(unaligned_table) - .int LABEL(ashr_15) - LABEL(unaligned_table) - .int LABEL(ashr_0) - LABEL(unaligned_table) -libc_hidden_builtin_def (STRCMP) +#include "multiarch/strcmp-sse2.S" +libc_hidden_builtin_def (strcmp) |