diff options
Diffstat (limited to 'sysdeps/x86_64/multiarch/memcmp-ssse3.S')
| -rw-r--r-- | sysdeps/x86_64/multiarch/memcmp-ssse3.S | 1992 |
1 files changed, 0 insertions, 1992 deletions
diff --git a/sysdeps/x86_64/multiarch/memcmp-ssse3.S b/sysdeps/x86_64/multiarch/memcmp-ssse3.S deleted file mode 100644 index df1b1fc494..0000000000 --- a/sysdeps/x86_64/multiarch/memcmp-ssse3.S +++ /dev/null @@ -1,1992 +0,0 @@ -/* memcmp with SSSE3, wmemcmp with SSSE3 - Copyright (C) 2011-2022 Free Software Foundation, Inc. - This file is part of the GNU C Library. - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - The GNU C Library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, see - <https://www.gnu.org/licenses/>. */ - -#if IS_IN (libc) - -# include <sysdep.h> - -# ifndef MEMCMP -# define MEMCMP __memcmp_ssse3 -# endif - -/* Warning! - wmemcmp has to use SIGNED comparison for elements. - memcmp has to use UNSIGNED comparison for elemnts. -*/ - - atom_text_section -ENTRY (MEMCMP) -# ifdef USE_AS_WMEMCMP - shl $2, %RDX_LP - test %RDX_LP, %RDX_LP - jz L(equal) -# elif defined __ILP32__ - /* Clear the upper 32 bits. */ - mov %edx, %edx -# endif - mov %rdx, %rcx - mov %rdi, %rdx - cmp $48, %rcx; - jae L(48bytesormore) /* LEN => 48 */ - - add %rcx, %rsi - add %rcx, %rdi - jmp L(less48bytes) - - .p2align 4 -/* ECX >= 32. */ -L(48bytesormore): - movdqu (%rdi), %xmm3 - movdqu (%rsi), %xmm0 - pcmpeqb %xmm0, %xmm3 - pmovmskb %xmm3, %edx - lea 16(%rdi), %rdi - lea 16(%rsi), %rsi - sub $0xffff, %edx - jnz L(less16bytes) - mov %edi, %edx - and $0xf, %edx - xor %rdx, %rdi - sub %rdx, %rsi - add %rdx, %rcx - mov %esi, %edx - and $0xf, %edx - jz L(shr_0) - xor %rdx, %rsi - -# ifndef USE_AS_WMEMCMP - cmp $8, %edx - jae L(next_unaligned_table) - cmp $0, %edx - je L(shr_0) - cmp $1, %edx - je L(shr_1) - cmp $2, %edx - je L(shr_2) - cmp $3, %edx - je L(shr_3) - cmp $4, %edx - je L(shr_4) - cmp $5, %edx - je L(shr_5) - cmp $6, %edx - je L(shr_6) - jmp L(shr_7) - - .p2align 2 -L(next_unaligned_table): - cmp $8, %edx - je L(shr_8) - cmp $9, %edx - je L(shr_9) - cmp $10, %edx - je L(shr_10) - cmp $11, %edx - je L(shr_11) - cmp $12, %edx - je L(shr_12) - cmp $13, %edx - je L(shr_13) - cmp $14, %edx - je L(shr_14) - jmp L(shr_15) -# else - cmp $0, %edx - je L(shr_0) - cmp $4, %edx - je L(shr_4) - cmp $8, %edx - je L(shr_8) - jmp L(shr_12) -# endif - - .p2align 4 -L(shr_0): - cmp $80, %rcx - lea -48(%rcx), %rcx - jae L(shr_0_gobble) - xor %eax, %eax - movdqa (%rsi), %xmm1 - pcmpeqb (%rdi), %xmm1 - movdqa 16(%rsi), %xmm2 - pcmpeqb 16(%rdi), %xmm2 - pand %xmm1, %xmm2 - pmovmskb %xmm2, %edx - lea 32(%rdi), %rdi - lea 32(%rsi), %rsi - sub $0xffff, %edx - jnz L(exit) - add %rcx, %rsi - add %rcx, %rdi - jmp L(less48bytes) - - .p2align 4 -L(shr_0_gobble): - movdqa (%rsi), %xmm0 - xor %eax, %eax - pcmpeqb (%rdi), %xmm0 - sub $32, %rcx - movdqa 16(%rsi), %xmm2 - pcmpeqb 16(%rdi), %xmm2 -L(shr_0_gobble_loop): - pand %xmm0, %xmm2 - sub $32, %rcx - pmovmskb %xmm2, %edx - movdqa %xmm0, %xmm1 - movdqa 32(%rsi), %xmm0 - movdqa 48(%rsi), %xmm2 - sbb $0xffff, %edx - pcmpeqb 32(%rdi), %xmm0 - pcmpeqb 48(%rdi), %xmm2 - lea 32(%rdi), %rdi - lea 32(%rsi), %rsi - jz L(shr_0_gobble_loop) - - pand %xmm0, %xmm2 - cmp $0, %rcx - jge L(next) - inc %edx - add $32, %rcx -L(next): - test %edx, %edx - jnz L(exit) - - pmovmskb %xmm2, %edx - movdqa %xmm0, %xmm1 - lea 32(%rdi), %rdi - lea 32(%rsi), %rsi - sub $0xffff, %edx - jnz L(exit) - add %rcx, %rsi - add %rcx, %rdi - jmp L(less48bytes) - -# ifndef USE_AS_WMEMCMP - - .p2align 4 -L(shr_1): - cmp $80, %rcx - lea -48(%rcx), %rcx - mov %edx, %eax - jae L(shr_1_gobble) - - movdqa 16(%rsi), %xmm1 - movdqa %xmm1, %xmm2 - palignr $1, (%rsi), %xmm1 - pcmpeqb (%rdi), %xmm1 - - movdqa 32(%rsi), %xmm3 - palignr $1, %xmm2, %xmm3 - pcmpeqb 16(%rdi), %xmm3 - - pand %xmm1, %xmm3 - pmovmskb %xmm3, %edx - lea 32(%rdi), %rdi - lea 32(%rsi), %rsi - sub $0xffff, %edx - jnz L(exit) - add $1, %rsi - add %rcx, %rsi - add %rcx, %rdi - jmp L(less48bytes) - - .p2align 4 -L(shr_1_gobble): - sub $32, %rcx - movdqa 16(%rsi), %xmm0 - palignr $1, (%rsi), %xmm0 - pcmpeqb (%rdi), %xmm0 - - movdqa 32(%rsi), %xmm3 - palignr $1, 16(%rsi), %xmm3 - pcmpeqb 16(%rdi), %xmm3 - -L(shr_1_gobble_loop): - pand %xmm0, %xmm3 - sub $32, %rcx - pmovmskb %xmm3, %edx - movdqa %xmm0, %xmm1 - - movdqa 64(%rsi), %xmm3 - palignr $1, 48(%rsi), %xmm3 - sbb $0xffff, %edx - movdqa 48(%rsi), %xmm0 - palignr $1, 32(%rsi), %xmm0 - pcmpeqb 32(%rdi), %xmm0 - lea 32(%rsi), %rsi - pcmpeqb 48(%rdi), %xmm3 - - lea 32(%rdi), %rdi - jz L(shr_1_gobble_loop) - pand %xmm0, %xmm3 - - cmp $0, %rcx - jge L(shr_1_gobble_next) - inc %edx - add $32, %rcx -L(shr_1_gobble_next): - test %edx, %edx - jnz L(exit) - - pmovmskb %xmm3, %edx - movdqa %xmm0, %xmm1 - lea 32(%rdi), %rdi - lea 32(%rsi), %rsi - sub $0xffff, %edx - jnz L(exit) - - lea 1(%rsi), %rsi - add %rcx, %rsi - add %rcx, %rdi - jmp L(less48bytes) - - - .p2align 4 -L(shr_2): - cmp $80, %rcx - lea -48(%rcx), %rcx - mov %edx, %eax - jae L(shr_2_gobble) - - movdqa 16(%rsi), %xmm1 - movdqa %xmm1, %xmm2 - palignr $2, (%rsi), %xmm1 - pcmpeqb (%rdi), %xmm1 - - movdqa 32(%rsi), %xmm3 - palignr $2, %xmm2, %xmm3 - pcmpeqb 16(%rdi), %xmm3 - - pand %xmm1, %xmm3 - pmovmskb %xmm3, %edx - lea 32(%rdi), %rdi - lea 32(%rsi), %rsi - sub $0xffff, %edx - jnz L(exit) - add $2, %rsi - add %rcx, %rsi - add %rcx, %rdi - jmp L(less48bytes) - - .p2align 4 -L(shr_2_gobble): - sub $32, %rcx - movdqa 16(%rsi), %xmm0 - palignr $2, (%rsi), %xmm0 - pcmpeqb (%rdi), %xmm0 - - movdqa 32(%rsi), %xmm3 - palignr $2, 16(%rsi), %xmm3 - pcmpeqb 16(%rdi), %xmm3 - -L(shr_2_gobble_loop): - pand %xmm0, %xmm3 - sub $32, %rcx - pmovmskb %xmm3, %edx - movdqa %xmm0, %xmm1 - - movdqa 64(%rsi), %xmm3 - palignr $2, 48(%rsi), %xmm3 - sbb $0xffff, %edx - movdqa 48(%rsi), %xmm0 - palignr $2, 32(%rsi), %xmm0 - pcmpeqb 32(%rdi), %xmm0 - lea 32(%rsi), %rsi - pcmpeqb 48(%rdi), %xmm3 - - lea 32(%rdi), %rdi - jz L(shr_2_gobble_loop) - pand %xmm0, %xmm3 - - cmp $0, %rcx - jge L(shr_2_gobble_next) - inc %edx - add $32, %rcx -L(shr_2_gobble_next): - test %edx, %edx - jnz L(exit) - - pmovmskb %xmm3, %edx - movdqa %xmm0, %xmm1 - lea 32(%rdi), %rdi - lea 32(%rsi), %rsi - sub $0xffff, %edx - jnz L(exit) - - lea 2(%rsi), %rsi - add %rcx, %rsi - add %rcx, %rdi - jmp L(less48bytes) - - .p2align 4 -L(shr_3): - cmp $80, %rcx - lea -48(%rcx), %rcx - mov %edx, %eax - jae L(shr_3_gobble) - - movdqa 16(%rsi), %xmm1 - movdqa %xmm1, %xmm2 - palignr $3, (%rsi), %xmm1 - pcmpeqb (%rdi), %xmm1 - - movdqa 32(%rsi), %xmm3 - palignr $3, %xmm2, %xmm3 - pcmpeqb 16(%rdi), %xmm3 - - pand %xmm1, %xmm3 - pmovmskb %xmm3, %edx - lea 32(%rdi), %rdi - lea 32(%rsi), %rsi - sub $0xffff, %edx - jnz L(exit) - add $3, %rsi - add %rcx, %rsi - add %rcx, %rdi - jmp L(less48bytes) - - .p2align 4 -L(shr_3_gobble): - sub $32, %rcx - movdqa 16(%rsi), %xmm0 - palignr $3, (%rsi), %xmm0 - pcmpeqb (%rdi), %xmm0 - - movdqa 32(%rsi), %xmm3 - palignr $3, 16(%rsi), %xmm3 - pcmpeqb 16(%rdi), %xmm3 - -L(shr_3_gobble_loop): - pand %xmm0, %xmm3 - sub $32, %rcx - pmovmskb %xmm3, %edx - movdqa %xmm0, %xmm1 - - movdqa 64(%rsi), %xmm3 - palignr $3, 48(%rsi), %xmm3 - sbb $0xffff, %edx - movdqa 48(%rsi), %xmm0 - palignr $3, 32(%rsi), %xmm0 - pcmpeqb 32(%rdi), %xmm0 - lea 32(%rsi), %rsi - pcmpeqb 48(%rdi), %xmm3 - - lea 32(%rdi), %rdi - jz L(shr_3_gobble_loop) - pand %xmm0, %xmm3 - - cmp $0, %rcx - jge L(shr_3_gobble_next) - inc %edx - add $32, %rcx -L(shr_3_gobble_next): - test %edx, %edx - jnz L(exit) - - pmovmskb %xmm3, %edx - movdqa %xmm0, %xmm1 - lea 32(%rdi), %rdi - lea 32(%rsi), %rsi - sub $0xffff, %edx - jnz L(exit) - - lea 3(%rsi), %rsi - add %rcx, %rsi - add %rcx, %rdi - jmp L(less48bytes) - -# endif - - .p2align 4 -L(shr_4): - cmp $80, %rcx - lea -48(%rcx), %rcx - mov %edx, %eax - jae L(shr_4_gobble) - - movdqa 16(%rsi), %xmm1 - movdqa %xmm1, %xmm2 - palignr $4, (%rsi), %xmm1 - pcmpeqb (%rdi), %xmm1 - - movdqa 32(%rsi), %xmm3 - palignr $4, %xmm2, %xmm3 - pcmpeqb 16(%rdi), %xmm3 - - pand %xmm1, %xmm3 - pmovmskb %xmm3, %edx - lea 32(%rdi), %rdi - lea 32(%rsi), %rsi - sub $0xffff, %edx - jnz L(exit) - add $4, %rsi - add %rcx, %rsi - add %rcx, %rdi - jmp L(less48bytes) - - .p2align 4 -L(shr_4_gobble): - sub $32, %rcx - movdqa 16(%rsi), %xmm0 - palignr $4, (%rsi), %xmm0 - pcmpeqb (%rdi), %xmm0 - - movdqa 32(%rsi), %xmm3 - palignr $4, 16(%rsi), %xmm3 - pcmpeqb 16(%rdi), %xmm3 - -L(shr_4_gobble_loop): - pand %xmm0, %xmm3 - sub $32, %rcx - pmovmskb %xmm3, %edx - movdqa %xmm0, %xmm1 - - movdqa 64(%rsi), %xmm3 - palignr $4, 48(%rsi), %xmm3 - sbb $0xffff, %edx - movdqa 48(%rsi), %xmm0 - palignr $4, 32(%rsi), %xmm0 - pcmpeqb 32(%rdi), %xmm0 - lea 32(%rsi), %rsi - pcmpeqb 48(%rdi), %xmm3 - - lea 32(%rdi), %rdi - jz L(shr_4_gobble_loop) - pand %xmm0, %xmm3 - - cmp $0, %rcx - jge L(shr_4_gobble_next) - inc %edx - add $32, %rcx -L(shr_4_gobble_next): - test %edx, %edx - jnz L(exit) - - pmovmskb %xmm3, %edx - movdqa %xmm0, %xmm1 - lea 32(%rdi), %rdi - lea 32(%rsi), %rsi - sub $0xffff, %edx - jnz L(exit) - - lea 4(%rsi), %rsi - add %rcx, %rsi - add %rcx, %rdi - jmp L(less48bytes) - -# ifndef USE_AS_WMEMCMP - - .p2align 4 -L(shr_5): - cmp $80, %rcx - lea -48(%rcx), %rcx - mov %edx, %eax - jae L(shr_5_gobble) - - movdqa 16(%rsi), %xmm1 - movdqa %xmm1, %xmm2 - palignr $5, (%rsi), %xmm1 - pcmpeqb (%rdi), %xmm1 - - movdqa 32(%rsi), %xmm3 - palignr $5, %xmm2, %xmm3 - pcmpeqb 16(%rdi), %xmm3 - - pand %xmm1, %xmm3 - pmovmskb %xmm3, %edx - lea 32(%rdi), %rdi - lea 32(%rsi), %rsi - sub $0xffff, %edx - jnz L(exit) - add $5, %rsi - add %rcx, %rsi - add %rcx, %rdi - jmp L(less48bytes) - - .p2align 4 -L(shr_5_gobble): - sub $32, %rcx - movdqa 16(%rsi), %xmm0 - palignr $5, (%rsi), %xmm0 - pcmpeqb (%rdi), %xmm0 - - movdqa 32(%rsi), %xmm3 - palignr $5, 16(%rsi), %xmm3 - pcmpeqb 16(%rdi), %xmm3 - -L(shr_5_gobble_loop): - pand %xmm0, %xmm3 - sub $32, %rcx - pmovmskb %xmm3, %edx - movdqa %xmm0, %xmm1 - - movdqa 64(%rsi), %xmm3 - palignr $5, 48(%rsi), %xmm3 - sbb $0xffff, %edx - movdqa 48(%rsi), %xmm0 - palignr $5, 32(%rsi), %xmm0 - pcmpeqb 32(%rdi), %xmm0 - lea 32(%rsi), %rsi - pcmpeqb 48(%rdi), %xmm3 - - lea 32(%rdi), %rdi - jz L(shr_5_gobble_loop) - pand %xmm0, %xmm3 - - cmp $0, %rcx - jge L(shr_5_gobble_next) - inc %edx - add $32, %rcx -L(shr_5_gobble_next): - test %edx, %edx - jnz L(exit) - - pmovmskb %xmm3, %edx - movdqa %xmm0, %xmm1 - lea 32(%rdi), %rdi - lea 32(%rsi), %rsi - sub $0xffff, %edx - jnz L(exit) - - lea 5(%rsi), %rsi - add %rcx, %rsi - add %rcx, %rdi - jmp L(less48bytes) - - .p2align 4 -L(shr_6): - cmp $80, %rcx - lea -48(%rcx), %rcx - mov %edx, %eax - jae L(shr_6_gobble) - - movdqa 16(%rsi), %xmm1 - movdqa %xmm1, %xmm2 - palignr $6, (%rsi), %xmm1 - pcmpeqb (%rdi), %xmm1 - - movdqa 32(%rsi), %xmm3 - palignr $6, %xmm2, %xmm3 - pcmpeqb 16(%rdi), %xmm3 - - pand %xmm1, %xmm3 - pmovmskb %xmm3, %edx - lea 32(%rdi), %rdi - lea 32(%rsi), %rsi - sub $0xffff, %edx - jnz L(exit) - add $6, %rsi - add %rcx, %rsi - add %rcx, %rdi - jmp L(less48bytes) - - .p2align 4 -L(shr_6_gobble): - sub $32, %rcx - movdqa 16(%rsi), %xmm0 - palignr $6, (%rsi), %xmm0 - pcmpeqb (%rdi), %xmm0 - - movdqa 32(%rsi), %xmm3 - palignr $6, 16(%rsi), %xmm3 - pcmpeqb 16(%rdi), %xmm3 - -L(shr_6_gobble_loop): - pand %xmm0, %xmm3 - sub $32, %rcx - pmovmskb %xmm3, %edx - movdqa %xmm0, %xmm1 - - movdqa 64(%rsi), %xmm3 - palignr $6, 48(%rsi), %xmm3 - sbb $0xffff, %edx - movdqa 48(%rsi), %xmm0 - palignr $6, 32(%rsi), %xmm0 - pcmpeqb 32(%rdi), %xmm0 - lea 32(%rsi), %rsi - pcmpeqb 48(%rdi), %xmm3 - - lea 32(%rdi), %rdi - jz L(shr_6_gobble_loop) - pand %xmm0, %xmm3 - - cmp $0, %rcx - jge L(shr_6_gobble_next) - inc %edx - add $32, %rcx -L(shr_6_gobble_next): - test %edx, %edx - jnz L(exit) - - pmovmskb %xmm3, %edx - movdqa %xmm0, %xmm1 - lea 32(%rdi), %rdi - lea 32(%rsi), %rsi - sub $0xffff, %edx - jnz L(exit) - - lea 6(%rsi), %rsi - add %rcx, %rsi - add %rcx, %rdi - jmp L(less48bytes) - - .p2align 4 -L(shr_7): - cmp $80, %rcx - lea -48(%rcx), %rcx - mov %edx, %eax - jae L(shr_7_gobble) - - movdqa 16(%rsi), %xmm1 - movdqa %xmm1, %xmm2 - palignr $7, (%rsi), %xmm1 - pcmpeqb (%rdi), %xmm1 - - movdqa 32(%rsi), %xmm3 - palignr $7, %xmm2, %xmm3 - pcmpeqb 16(%rdi), %xmm3 - - pand %xmm1, %xmm3 - pmovmskb %xmm3, %edx - lea 32(%rdi), %rdi - lea 32(%rsi), %rsi - sub $0xffff, %edx - jnz L(exit) - add $7, %rsi - add %rcx, %rsi - add %rcx, %rdi - jmp L(less48bytes) - - .p2align 4 -L(shr_7_gobble): - sub $32, %rcx - movdqa 16(%rsi), %xmm0 - palignr $7, (%rsi), %xmm0 - pcmpeqb (%rdi), %xmm0 - - movdqa 32(%rsi), %xmm3 - palignr $7, 16(%rsi), %xmm3 - pcmpeqb 16(%rdi), %xmm3 - -L(shr_7_gobble_loop): - pand %xmm0, %xmm3 - sub $32, %rcx - pmovmskb %xmm3, %edx - movdqa %xmm0, %xmm1 - - movdqa 64(%rsi), %xmm3 - palignr $7, 48(%rsi), %xmm3 - sbb $0xffff, %edx - movdqa 48(%rsi), %xmm0 - palignr $7, 32(%rsi), %xmm0 - pcmpeqb 32(%rdi), %xmm0 - lea 32(%rsi), %rsi - pcmpeqb 48(%rdi), %xmm3 - - lea 32(%rdi), %rdi - jz L(shr_7_gobble_loop) - pand %xmm0, %xmm3 - - cmp $0, %rcx - jge L(shr_7_gobble_next) - inc %edx - add $32, %rcx -L(shr_7_gobble_next): - test %edx, %edx - jnz L(exit) - - pmovmskb %xmm3, %edx - movdqa %xmm0, %xmm1 - lea 32(%rdi), %rdi - lea 32(%rsi), %rsi - sub $0xffff, %edx - jnz L(exit) - - lea 7(%rsi), %rsi - add %rcx, %rsi - add %rcx, %rdi - jmp L(less48bytes) - -# endif - - .p2align 4 -L(shr_8): - cmp $80, %rcx - lea -48(%rcx), %rcx - mov %edx, %eax - jae L(shr_8_gobble) - - movdqa 16(%rsi), %xmm1 - movdqa %xmm1, %xmm2 - palignr $8, (%rsi), %xmm1 - pcmpeqb (%rdi), %xmm1 - - movdqa 32(%rsi), %xmm3 - palignr $8, %xmm2, %xmm3 - pcmpeqb 16(%rdi), %xmm3 - - pand %xmm1, %xmm3 - pmovmskb %xmm3, %edx - lea 32(%rdi), %rdi - lea 32(%rsi), %rsi - sub $0xffff, %edx - jnz L(exit) - add $8, %rsi - add %rcx, %rsi - add %rcx, %rdi - jmp L(less48bytes) - - .p2align 4 -L(shr_8_gobble): - sub $32, %rcx - movdqa 16(%rsi), %xmm0 - palignr $8, (%rsi), %xmm0 - pcmpeqb (%rdi), %xmm0 - - movdqa 32(%rsi), %xmm3 - palignr $8, 16(%rsi), %xmm3 - pcmpeqb 16(%rdi), %xmm3 - -L(shr_8_gobble_loop): - pand %xmm0, %xmm3 - sub $32, %rcx - pmovmskb %xmm3, %edx - movdqa %xmm0, %xmm1 - - movdqa 64(%rsi), %xmm3 - palignr $8, 48(%rsi), %xmm3 - sbb $0xffff, %edx - movdqa 48(%rsi), %xmm0 - palignr $8, 32(%rsi), %xmm0 - pcmpeqb 32(%rdi), %xmm0 - lea 32(%rsi), %rsi - pcmpeqb 48(%rdi), %xmm3 - - lea 32(%rdi), %rdi - jz L(shr_8_gobble_loop) - pand %xmm0, %xmm3 - - cmp $0, %rcx - jge L(shr_8_gobble_next) - inc %edx - add $32, %rcx -L(shr_8_gobble_next): - test %edx, %edx - jnz L(exit) - - pmovmskb %xmm3, %edx - movdqa %xmm0, %xmm1 - lea 32(%rdi), %rdi - lea 32(%rsi), %rsi - sub $0xffff, %edx - jnz L(exit) - - lea 8(%rsi), %rsi - add %rcx, %rsi - add %rcx, %rdi - jmp L(less48bytes) - -# ifndef USE_AS_WMEMCMP - - .p2align 4 -L(shr_9): - cmp $80, %rcx - lea -48(%rcx), %rcx - mov %edx, %eax - jae L(shr_9_gobble) - - movdqa 16(%rsi), %xmm1 - movdqa %xmm1, %xmm2 - palignr $9, (%rsi), %xmm1 - pcmpeqb (%rdi), %xmm1 - - movdqa 32(%rsi), %xmm3 - palignr $9, %xmm2, %xmm3 - pcmpeqb 16(%rdi), %xmm3 - - pand %xmm1, %xmm3 - pmovmskb %xmm3, %edx - lea 32(%rdi), %rdi - lea 32(%rsi), %rsi - sub $0xffff, %edx - jnz L(exit) - add $9, %rsi - add %rcx, %rsi - add %rcx, %rdi - jmp L(less48bytes) - - .p2align 4 -L(shr_9_gobble): - sub $32, %rcx - movdqa 16(%rsi), %xmm0 - palignr $9, (%rsi), %xmm0 - pcmpeqb (%rdi), %xmm0 - - movdqa 32(%rsi), %xmm3 - palignr $9, 16(%rsi), %xmm3 - pcmpeqb 16(%rdi), %xmm3 - -L(shr_9_gobble_loop): - pand %xmm0, %xmm3 - sub $32, %rcx - pmovmskb %xmm3, %edx - movdqa %xmm0, %xmm1 - - movdqa 64(%rsi), %xmm3 - palignr $9, 48(%rsi), %xmm3 - sbb $0xffff, %edx - movdqa 48(%rsi), %xmm0 - palignr $9, 32(%rsi), %xmm0 - pcmpeqb 32(%rdi), %xmm0 - lea 32(%rsi), %rsi - pcmpeqb 48(%rdi), %xmm3 - - lea 32(%rdi), %rdi - jz L(shr_9_gobble_loop) - pand %xmm0, %xmm3 - - cmp $0, %rcx - jge L(shr_9_gobble_next) - inc %edx - add $32, %rcx -L(shr_9_gobble_next): - test %edx, %edx - jnz L(exit) - - pmovmskb %xmm3, %edx - movdqa %xmm0, %xmm1 - lea 32(%rdi), %rdi - lea 32(%rsi), %rsi - sub $0xffff, %edx - jnz L(exit) - - lea 9(%rsi), %rsi - add %rcx, %rsi - add %rcx, %rdi - jmp L(less48bytes) - - .p2align 4 -L(shr_10): - cmp $80, %rcx - lea -48(%rcx), %rcx - mov %edx, %eax - jae L(shr_10_gobble) - - movdqa 16(%rsi), %xmm1 - movdqa %xmm1, %xmm2 - palignr $10, (%rsi), %xmm1 - pcmpeqb (%rdi), %xmm1 - - movdqa 32(%rsi), %xmm3 - palignr $10, %xmm2, %xmm3 - pcmpeqb 16(%rdi), %xmm3 - - pand %xmm1, %xmm3 - pmovmskb %xmm3, %edx - lea 32(%rdi), %rdi - lea 32(%rsi), %rsi - sub $0xffff, %edx - jnz L(exit) - add $10, %rsi - add %rcx, %rsi - add %rcx, %rdi - jmp L(less48bytes) - - .p2align 4 -L(shr_10_gobble): - sub $32, %rcx - movdqa 16(%rsi), %xmm0 - palignr $10, (%rsi), %xmm0 - pcmpeqb (%rdi), %xmm0 - - movdqa 32(%rsi), %xmm3 - palignr $10, 16(%rsi), %xmm3 - pcmpeqb 16(%rdi), %xmm3 - -L(shr_10_gobble_loop): - pand %xmm0, %xmm3 - sub $32, %rcx - pmovmskb %xmm3, %edx - movdqa %xmm0, %xmm1 - - movdqa 64(%rsi), %xmm3 - palignr $10, 48(%rsi), %xmm3 - sbb $0xffff, %edx - movdqa 48(%rsi), %xmm0 - palignr $10, 32(%rsi), %xmm0 - pcmpeqb 32(%rdi), %xmm0 - lea 32(%rsi), %rsi - pcmpeqb 48(%rdi), %xmm3 - - lea 32(%rdi), %rdi - jz L(shr_10_gobble_loop) - pand %xmm0, %xmm3 - - cmp $0, %rcx - jge L(shr_10_gobble_next) - inc %edx - add $32, %rcx -L(shr_10_gobble_next): - test %edx, %edx - jnz L(exit) - - pmovmskb %xmm3, %edx - movdqa %xmm0, %xmm1 - lea 32(%rdi), %rdi - lea 32(%rsi), %rsi - sub $0xffff, %edx - jnz L(exit) - - lea 10(%rsi), %rsi - add %rcx, %rsi - add %rcx, %rdi - jmp L(less48bytes) - - .p2align 4 -L(shr_11): - cmp $80, %rcx - lea -48(%rcx), %rcx - mov %edx, %eax - jae L(shr_11_gobble) - - movdqa 16(%rsi), %xmm1 - movdqa %xmm1, %xmm2 - palignr $11, (%rsi), %xmm1 - pcmpeqb (%rdi), %xmm1 - - movdqa 32(%rsi), %xmm3 - palignr $11, %xmm2, %xmm3 - pcmpeqb 16(%rdi), %xmm3 - - pand %xmm1, %xmm3 - pmovmskb %xmm3, %edx - lea 32(%rdi), %rdi - lea 32(%rsi), %rsi - sub $0xffff, %edx - jnz L(exit) - add $11, %rsi - add %rcx, %rsi - add %rcx, %rdi - jmp L(less48bytes) - - .p2align 4 -L(shr_11_gobble): - sub $32, %rcx - movdqa 16(%rsi), %xmm0 - palignr $11, (%rsi), %xmm0 - pcmpeqb (%rdi), %xmm0 - - movdqa 32(%rsi), %xmm3 - palignr $11, 16(%rsi), %xmm3 - pcmpeqb 16(%rdi), %xmm3 - -L(shr_11_gobble_loop): - pand %xmm0, %xmm3 - sub $32, %rcx - pmovmskb %xmm3, %edx - movdqa %xmm0, %xmm1 - - movdqa 64(%rsi), %xmm3 - palignr $11, 48(%rsi), %xmm3 - sbb $0xffff, %edx - movdqa 48(%rsi), %xmm0 - palignr $11, 32(%rsi), %xmm0 - pcmpeqb 32(%rdi), %xmm0 - lea 32(%rsi), %rsi - pcmpeqb 48(%rdi), %xmm3 - - lea 32(%rdi), %rdi - jz L(shr_11_gobble_loop) - pand %xmm0, %xmm3 - - cmp $0, %rcx - jge L(shr_11_gobble_next) - inc %edx - add $32, %rcx -L(shr_11_gobble_next): - test %edx, %edx - jnz L(exit) - - pmovmskb %xmm3, %edx - movdqa %xmm0, %xmm1 - lea 32(%rdi), %rdi - lea 32(%rsi), %rsi - sub $0xffff, %edx - jnz L(exit) - - lea 11(%rsi), %rsi - add %rcx, %rsi - add %rcx, %rdi - jmp L(less48bytes) - -# endif - - .p2align 4 -L(shr_12): - cmp $80, %rcx - lea -48(%rcx), %rcx - mov %edx, %eax - jae L(shr_12_gobble) - - movdqa 16(%rsi), %xmm1 - movdqa %xmm1, %xmm2 - palignr $12, (%rsi), %xmm1 - pcmpeqb (%rdi), %xmm1 - - movdqa 32(%rsi), %xmm3 - palignr $12, %xmm2, %xmm3 - pcmpeqb 16(%rdi), %xmm3 - - pand %xmm1, %xmm3 - pmovmskb %xmm3, %edx - lea 32(%rdi), %rdi - lea 32(%rsi), %rsi - sub $0xffff, %edx - jnz L(exit) - add $12, %rsi - add %rcx, %rsi - add %rcx, %rdi - jmp L(less48bytes) - - .p2align 4 -L(shr_12_gobble): - sub $32, %rcx - movdqa 16(%rsi), %xmm0 - palignr $12, (%rsi), %xmm0 - pcmpeqb (%rdi), %xmm0 - - movdqa 32(%rsi), %xmm3 - palignr $12, 16(%rsi), %xmm3 - pcmpeqb 16(%rdi), %xmm3 - -L(shr_12_gobble_loop): - pand %xmm0, %xmm3 - sub $32, %rcx - pmovmskb %xmm3, %edx - movdqa %xmm0, %xmm1 - - movdqa 64(%rsi), %xmm3 - palignr $12, 48(%rsi), %xmm3 - sbb $0xffff, %edx - movdqa 48(%rsi), %xmm0 - palignr $12, 32(%rsi), %xmm0 - pcmpeqb 32(%rdi), %xmm0 - lea 32(%rsi), %rsi - pcmpeqb 48(%rdi), %xmm3 - - lea 32(%rdi), %rdi - jz L(shr_12_gobble_loop) - pand %xmm0, %xmm3 - - cmp $0, %rcx - jge L(shr_12_gobble_next) - inc %edx - add $32, %rcx -L(shr_12_gobble_next): - test %edx, %edx - jnz L(exit) - - pmovmskb %xmm3, %edx - movdqa %xmm0, %xmm1 - lea 32(%rdi), %rdi - lea 32(%rsi), %rsi - sub $0xffff, %edx - jnz L(exit) - - lea 12(%rsi), %rsi - add %rcx, %rsi - add %rcx, %rdi - jmp L(less48bytes) - -# ifndef USE_AS_WMEMCMP - - .p2align 4 -L(shr_13): - cmp $80, %rcx - lea -48(%rcx), %rcx - mov %edx, %eax - jae L(shr_13_gobble) - - movdqa 16(%rsi), %xmm1 - movdqa %xmm1, %xmm2 - palignr $13, (%rsi), %xmm1 - pcmpeqb (%rdi), %xmm1 - - movdqa 32(%rsi), %xmm3 - palignr $13, %xmm2, %xmm3 - pcmpeqb 16(%rdi), %xmm3 - - pand %xmm1, %xmm3 - pmovmskb %xmm3, %edx - lea 32(%rdi), %rdi - lea 32(%rsi), %rsi - sub $0xffff, %edx - jnz L(exit) - add $13, %rsi - add %rcx, %rsi - add %rcx, %rdi - jmp L(less48bytes) - - .p2align 4 -L(shr_13_gobble): - sub $32, %rcx - movdqa 16(%rsi), %xmm0 - palignr $13, (%rsi), %xmm0 - pcmpeqb (%rdi), %xmm0 - - movdqa 32(%rsi), %xmm3 - palignr $13, 16(%rsi), %xmm3 - pcmpeqb 16(%rdi), %xmm3 - -L(shr_13_gobble_loop): - pand %xmm0, %xmm3 - sub $32, %rcx - pmovmskb %xmm3, %edx - movdqa %xmm0, %xmm1 - - movdqa 64(%rsi), %xmm3 - palignr $13, 48(%rsi), %xmm3 - sbb $0xffff, %edx - movdqa 48(%rsi), %xmm0 - palignr $13, 32(%rsi), %xmm0 - pcmpeqb 32(%rdi), %xmm0 - lea 32(%rsi), %rsi - pcmpeqb 48(%rdi), %xmm3 - - lea 32(%rdi), %rdi - jz L(shr_13_gobble_loop) - pand %xmm0, %xmm3 - - cmp $0, %rcx - jge L(shr_13_gobble_next) - inc %edx - add $32, %rcx -L(shr_13_gobble_next): - test %edx, %edx - jnz L(exit) - - pmovmskb %xmm3, %edx - movdqa %xmm0, %xmm1 - lea 32(%rdi), %rdi - lea 32(%rsi), %rsi - sub $0xffff, %edx - jnz L(exit) - - lea 13(%rsi), %rsi - add %rcx, %rsi - add %rcx, %rdi - jmp L(less48bytes) - - .p2align 4 -L(shr_14): - cmp $80, %rcx - lea -48(%rcx), %rcx - mov %edx, %eax - jae L(shr_14_gobble) - - movdqa 16(%rsi), %xmm1 - movdqa %xmm1, %xmm2 - palignr $14, (%rsi), %xmm1 - pcmpeqb (%rdi), %xmm1 - - movdqa 32(%rsi), %xmm3 - palignr $14, %xmm2, %xmm3 - pcmpeqb 16(%rdi), %xmm3 - - pand %xmm1, %xmm3 - pmovmskb %xmm3, %edx - lea 32(%rdi), %rdi - lea 32(%rsi), %rsi - sub $0xffff, %edx - jnz L(exit) - add $14, %rsi - add %rcx, %rsi - add %rcx, %rdi - jmp L(less48bytes) - - .p2align 4 -L(shr_14_gobble): - sub $32, %rcx - movdqa 16(%rsi), %xmm0 - palignr $14, (%rsi), %xmm0 - pcmpeqb (%rdi), %xmm0 - - movdqa 32(%rsi), %xmm3 - palignr $14, 16(%rsi), %xmm3 - pcmpeqb 16(%rdi), %xmm3 - -L(shr_14_gobble_loop): - pand %xmm0, %xmm3 - sub $32, %rcx - pmovmskb %xmm3, %edx - movdqa %xmm0, %xmm1 - - movdqa 64(%rsi), %xmm3 - palignr $14, 48(%rsi), %xmm3 - sbb $0xffff, %edx - movdqa 48(%rsi), %xmm0 - palignr $14, 32(%rsi), %xmm0 - pcmpeqb 32(%rdi), %xmm0 - lea 32(%rsi), %rsi - pcmpeqb 48(%rdi), %xmm3 - - lea 32(%rdi), %rdi - jz L(shr_14_gobble_loop) - pand %xmm0, %xmm3 - - cmp $0, %rcx - jge L(shr_14_gobble_next) - inc %edx - add $32, %rcx -L(shr_14_gobble_next): - test %edx, %edx - jnz L(exit) - - pmovmskb %xmm3, %edx - movdqa %xmm0, %xmm1 - lea 32(%rdi), %rdi - lea 32(%rsi), %rsi - sub $0xffff, %edx - jnz L(exit) - - lea 14(%rsi), %rsi - add %rcx, %rsi - add %rcx, %rdi - jmp L(less48bytes) - - .p2align 4 -L(shr_15): - cmp $80, %rcx - lea -48(%rcx), %rcx - mov %edx, %eax - jae L(shr_15_gobble) - - movdqa 16(%rsi), %xmm1 - movdqa %xmm1, %xmm2 - palignr $15, (%rsi), %xmm1 - pcmpeqb (%rdi), %xmm1 - - movdqa 32(%rsi), %xmm3 - palignr $15, %xmm2, %xmm3 - pcmpeqb 16(%rdi), %xmm3 - - pand %xmm1, %xmm3 - pmovmskb %xmm3, %edx - lea 32(%rdi), %rdi - lea 32(%rsi), %rsi - sub $0xffff, %edx - jnz L(exit) - add $15, %rsi - add %rcx, %rsi - add %rcx, %rdi - jmp L(less48bytes) - - .p2align 4 -L(shr_15_gobble): - sub $32, %rcx - movdqa 16(%rsi), %xmm0 - palignr $15, (%rsi), %xmm0 - pcmpeqb (%rdi), %xmm0 - - movdqa 32(%rsi), %xmm3 - palignr $15, 16(%rsi), %xmm3 - pcmpeqb 16(%rdi), %xmm3 - -L(shr_15_gobble_loop): - pand %xmm0, %xmm3 - sub $32, %rcx - pmovmskb %xmm3, %edx - movdqa %xmm0, %xmm1 - - movdqa 64(%rsi), %xmm3 - palignr $15, 48(%rsi), %xmm3 - sbb $0xffff, %edx - movdqa 48(%rsi), %xmm0 - palignr $15, 32(%rsi), %xmm0 - pcmpeqb 32(%rdi), %xmm0 - lea 32(%rsi), %rsi - pcmpeqb 48(%rdi), %xmm3 - - lea 32(%rdi), %rdi - jz L(shr_15_gobble_loop) - pand %xmm0, %xmm3 - - cmp $0, %rcx - jge L(shr_15_gobble_next) - inc %edx - add $32, %rcx -L(shr_15_gobble_next): - test %edx, %edx - jnz L(exit) - - pmovmskb %xmm3, %edx - movdqa %xmm0, %xmm1 - lea 32(%rdi), %rdi - lea 32(%rsi), %rsi - sub $0xffff, %edx - jnz L(exit) - - lea 15(%rsi), %rsi - add %rcx, %rsi - add %rcx, %rdi - jmp L(less48bytes) -# endif - .p2align 4 -L(exit): - pmovmskb %xmm1, %r8d - sub $0xffff, %r8d - jz L(first16bytes) - lea -16(%rsi), %rsi - lea -16(%rdi), %rdi - mov %r8d, %edx -L(first16bytes): - add %rax, %rsi -L(less16bytes): -# ifndef USE_AS_WMEMCMP - test %dl, %dl - jz L(next_24_bytes) - - test $0x01, %dl - jnz L(Byte16) - - test $0x02, %dl - jnz L(Byte17) - - test $0x04, %dl - jnz L(Byte18) - - test $0x08, %dl - jnz L(Byte19) - - test $0x10, %dl - jnz L(Byte20) - - test $0x20, %dl - jnz L(Byte21) - - test $0x40, %dl - jnz L(Byte22) - - movzbl -9(%rdi), %eax - movzbl -9(%rsi), %edx - sub %edx, %eax - ret - - .p2align 4 -L(Byte16): - movzbl -16(%rdi), %eax - movzbl -16(%rsi), %edx - sub %edx, %eax - ret - - .p2align 4 -L(Byte17): - movzbl -15(%rdi), %eax - movzbl -15(%rsi), %edx - sub %edx, %eax - ret - - .p2align 4 -L(Byte18): - movzbl -14(%rdi), %eax - movzbl -14(%rsi), %edx - sub %edx, %eax - ret - - .p2align 4 -L(Byte19): - movzbl -13(%rdi), %eax - movzbl -13(%rsi), %edx - sub %edx, %eax - ret - - .p2align 4 -L(Byte20): - movzbl -12(%rdi), %eax - movzbl -12(%rsi), %edx - sub %edx, %eax - ret - - .p2align 4 -L(Byte21): - movzbl -11(%rdi), %eax - movzbl -11(%rsi), %edx - sub %edx, %eax - ret - - .p2align 4 -L(Byte22): - movzbl -10(%rdi), %eax - movzbl -10(%rsi), %edx - sub %edx, %eax - ret - - .p2align 4 -L(next_24_bytes): - lea 8(%rdi), %rdi - lea 8(%rsi), %rsi - test $0x01, %dh - jnz L(Byte16) - - test $0x02, %dh - jnz L(Byte17) - - test $0x04, %dh - jnz L(Byte18) - - test $0x08, %dh - jnz L(Byte19) - - test $0x10, %dh - jnz L(Byte20) - - test $0x20, %dh - jnz L(Byte21) - - test $0x40, %dh - jnz L(Byte22) - - movzbl -9(%rdi), %eax - movzbl -9(%rsi), %edx - sub %edx, %eax - ret -# else -/* special for wmemcmp */ - xor %eax, %eax - test %dl, %dl - jz L(next_two_double_words) - and $15, %dl - jz L(second_double_word) - mov -16(%rdi), %eax - cmp -16(%rsi), %eax - jne L(find_diff) - ret - - .p2align 4 -L(second_double_word): - mov -12(%rdi), %eax - cmp -12(%rsi), %eax - jne L(find_diff) - ret - - .p2align 4 -L(next_two_double_words): - and $15, %dh - jz L(fourth_double_word) - mov -8(%rdi), %eax - cmp -8(%rsi), %eax - jne L(find_diff) - ret - - .p2align 4 -L(fourth_double_word): - mov -4(%rdi), %eax - cmp -4(%rsi), %eax - jne L(find_diff) - ret -# endif - - .p2align 4 -L(less48bytes): - cmp $8, %ecx - jae L(more8bytes) - cmp $0, %ecx - je L(0bytes) -# ifndef USE_AS_WMEMCMP - cmp $1, %ecx - je L(1bytes) - cmp $2, %ecx - je L(2bytes) - cmp $3, %ecx - je L(3bytes) - cmp $4, %ecx - je L(4bytes) - cmp $5, %ecx - je L(5bytes) - cmp $6, %ecx - je L(6bytes) - jmp L(7bytes) -# else - jmp L(4bytes) -# endif - - .p2align 4 -L(more8bytes): - cmp $16, %ecx - jae L(more16bytes) - cmp $8, %ecx - je L(8bytes) -# ifndef USE_AS_WMEMCMP - cmp $9, %ecx - je L(9bytes) - cmp $10, %ecx - je L(10bytes) - cmp $11, %ecx - je L(11bytes) - cmp $12, %ecx - je L(12bytes) - cmp $13, %ecx - je L(13bytes) - cmp $14, %ecx - je L(14bytes) - jmp L(15bytes) -# else - jmp L(12bytes) -# endif - - .p2align 4 -L(more16bytes): - cmp $24, %ecx - jae L(more24bytes) - cmp $16, %ecx - je L(16bytes) -# ifndef USE_AS_WMEMCMP - cmp $17, %ecx - je L(17bytes) - cmp $18, %ecx - je L(18bytes) - cmp $19, %ecx - je L(19bytes) - cmp $20, %ecx - je L(20bytes) - cmp $21, %ecx - je L(21bytes) - cmp $22, %ecx - je L(22bytes) - jmp L(23bytes) -# else - jmp L(20bytes) -# endif - - .p2align 4 -L(more24bytes): - cmp $32, %ecx - jae L(more32bytes) - cmp $24, %ecx - je L(24bytes) -# ifndef USE_AS_WMEMCMP - cmp $25, %ecx - je L(25bytes) - cmp $26, %ecx - je L(26bytes) - cmp $27, %ecx - je L(27bytes) - cmp $28, %ecx - je L(28bytes) - cmp $29, %ecx - je L(29bytes) - cmp $30, %ecx - je L(30bytes) - jmp L(31bytes) -# else - jmp L(28bytes) -# endif - - .p2align 4 -L(more32bytes): - cmp $40, %ecx - jae L(more40bytes) - cmp $32, %ecx - je L(32bytes) -# ifndef USE_AS_WMEMCMP - cmp $33, %ecx - je L(33bytes) - cmp $34, %ecx - je L(34bytes) - cmp $35, %ecx - je L(35bytes) - cmp $36, %ecx - je L(36bytes) - cmp $37, %ecx - je L(37bytes) - cmp $38, %ecx - je L(38bytes) - jmp L(39bytes) -# else - jmp L(36bytes) -# endif - - .p2align 4 -L(more40bytes): - cmp $40, %ecx - je L(40bytes) -# ifndef USE_AS_WMEMCMP - cmp $41, %ecx - je L(41bytes) - cmp $42, %ecx - je L(42bytes) - cmp $43, %ecx - je L(43bytes) - cmp $44, %ecx - je L(44bytes) - cmp $45, %ecx - je L(45bytes) - cmp $46, %ecx - je L(46bytes) - jmp L(47bytes) - - .p2align 4 -L(44bytes): - movl -44(%rdi), %eax - movl -44(%rsi), %ecx - cmp %ecx, %eax - jne L(find_diff) -L(40bytes): - movl -40(%rdi), %eax - movl -40(%rsi), %ecx - cmp %ecx, %eax - jne L(find_diff) -L(36bytes): - movl -36(%rdi), %eax - movl -36(%rsi), %ecx - cmp %ecx, %eax - jne L(find_diff) -L(32bytes): - movl -32(%rdi), %eax - movl -32(%rsi), %ecx - cmp %ecx, %eax - jne L(find_diff) -L(28bytes): - movl -28(%rdi), %eax - movl -28(%rsi), %ecx - cmp %ecx, %eax - jne L(find_diff) -L(24bytes): - movl -24(%rdi), %eax - movl -24(%rsi), %ecx - cmp %ecx, %eax - jne L(find_diff) -L(20bytes): - movl -20(%rdi), %eax - movl -20(%rsi), %ecx - cmp %ecx, %eax - jne L(find_diff) -L(16bytes): - movl -16(%rdi), %eax - movl -16(%rsi), %ecx - cmp %ecx, %eax - jne L(find_diff) -L(12bytes): - movl -12(%rdi), %eax - movl -12(%rsi), %ecx - cmp %ecx, %eax - jne L(find_diff) -L(8bytes): - movl -8(%rdi), %eax - movl -8(%rsi), %ecx - cmp %ecx, %eax - jne L(find_diff) -L(4bytes): - movl -4(%rdi), %eax - movl -4(%rsi), %ecx - cmp %ecx, %eax - jne L(find_diff) -L(0bytes): - xor %eax, %eax - ret -# else - .p2align 4 -L(44bytes): - movl -44(%rdi), %eax - cmp -44(%rsi), %eax - jne L(find_diff) -L(40bytes): - movl -40(%rdi), %eax - cmp -40(%rsi), %eax - jne L(find_diff) -L(36bytes): - movl -36(%rdi), %eax - cmp -36(%rsi), %eax - jne L(find_diff) -L(32bytes): - movl -32(%rdi), %eax - cmp -32(%rsi), %eax - jne L(find_diff) -L(28bytes): - movl -28(%rdi), %eax - cmp -28(%rsi), %eax - jne L(find_diff) -L(24bytes): - movl -24(%rdi), %eax - cmp -24(%rsi), %eax - jne L(find_diff) -L(20bytes): - movl -20(%rdi), %eax - cmp -20(%rsi), %eax - jne L(find_diff) -L(16bytes): - movl -16(%rdi), %eax - cmp -16(%rsi), %eax - jne L(find_diff) -L(12bytes): - movl -12(%rdi), %eax - cmp -12(%rsi), %eax - jne L(find_diff) -L(8bytes): - movl -8(%rdi), %eax - cmp -8(%rsi), %eax - jne L(find_diff) -L(4bytes): - movl -4(%rdi), %eax - cmp -4(%rsi), %eax - jne L(find_diff) -L(0bytes): - xor %eax, %eax - ret -# endif - -# ifndef USE_AS_WMEMCMP - .p2align 4 -L(45bytes): - movl -45(%rdi), %eax - movl -45(%rsi), %ecx - cmp %ecx, %eax - jne L(find_diff) -L(41bytes): - movl -41(%rdi), %eax - movl -41(%rsi), %ecx - cmp %ecx, %eax - jne L(find_diff) -L(37bytes): - movl -37(%rdi), %eax - movl -37(%rsi), %ecx - cmp %ecx, %eax - jne L(find_diff) -L(33bytes): - movl -33(%rdi), %eax - movl -33(%rsi), %ecx - cmp %ecx, %eax - jne L(find_diff) -L(29bytes): - movl -29(%rdi), %eax - movl -29(%rsi), %ecx - cmp %ecx, %eax - jne L(find_diff) -L(25bytes): - movl -25(%rdi), %eax - movl -25(%rsi), %ecx - cmp %ecx, %eax - jne L(find_diff) -L(21bytes): - movl -21(%rdi), %eax - movl -21(%rsi), %ecx - cmp %ecx, %eax - jne L(find_diff) -L(17bytes): - movl -17(%rdi), %eax - movl -17(%rsi), %ecx - cmp %ecx, %eax - jne L(find_diff) -L(13bytes): - movl -13(%rdi), %eax - movl -13(%rsi), %ecx - cmp %ecx, %eax - jne L(find_diff) -L(9bytes): - movl -9(%rdi), %eax - movl -9(%rsi), %ecx - cmp %ecx, %eax - jne L(find_diff) -L(5bytes): - movl -5(%rdi), %eax - movl -5(%rsi), %ecx - cmp %ecx, %eax - jne L(find_diff) -L(1bytes): - movzbl -1(%rdi), %eax - cmpb -1(%rsi), %al - jne L(set) - xor %eax, %eax - ret - - .p2align 4 -L(46bytes): - movl -46(%rdi), %eax - movl -46(%rsi), %ecx - cmp %ecx, %eax - jne L(find_diff) -L(42bytes): - movl -42(%rdi), %eax - movl -42(%rsi), %ecx - cmp %ecx, %eax - jne L(find_diff) -L(38bytes): - movl -38(%rdi), %eax - movl -38(%rsi), %ecx - cmp %ecx, %eax - jne L(find_diff) -L(34bytes): - movl -34(%rdi), %eax - movl -34(%rsi), %ecx - cmp %ecx, %eax - jne L(find_diff) -L(30bytes): - movl -30(%rdi), %eax - movl -30(%rsi), %ecx - cmp %ecx, %eax - jne L(find_diff) -L(26bytes): - movl -26(%rdi), %eax - movl -26(%rsi), %ecx - cmp %ecx, %eax - jne L(find_diff) -L(22bytes): - movl -22(%rdi), %eax - movl -22(%rsi), %ecx - cmp %ecx, %eax - jne L(find_diff) -L(18bytes): - movl -18(%rdi), %eax - movl -18(%rsi), %ecx - cmp %ecx, %eax - jne L(find_diff) -L(14bytes): - movl -14(%rdi), %eax - movl -14(%rsi), %ecx - cmp %ecx, %eax - jne L(find_diff) -L(10bytes): - movl -10(%rdi), %eax - movl -10(%rsi), %ecx - cmp %ecx, %eax - jne L(find_diff) -L(6bytes): - movl -6(%rdi), %eax - movl -6(%rsi), %ecx - cmp %ecx, %eax - jne L(find_diff) -L(2bytes): - movzwl -2(%rdi), %eax - movzwl -2(%rsi), %ecx - cmpb %cl, %al - jne L(set) - cmp %ecx, %eax - jne L(set) - xor %eax, %eax - ret - - .p2align 4 -L(47bytes): - movl -47(%rdi), %eax - movl -47(%rsi), %ecx - cmp %ecx, %eax - jne L(find_diff) -L(43bytes): - movl -43(%rdi), %eax - movl -43(%rsi), %ecx - cmp %ecx, %eax - jne L(find_diff) -L(39bytes): - movl -39(%rdi), %eax - movl -39(%rsi), %ecx - cmp %ecx, %eax - jne L(find_diff) -L(35bytes): - movl -35(%rdi), %eax - movl -35(%rsi), %ecx - cmp %ecx, %eax - jne L(find_diff) -L(31bytes): - movl -31(%rdi), %eax - movl -31(%rsi), %ecx - cmp %ecx, %eax - jne L(find_diff) -L(27bytes): - movl -27(%rdi), %eax - movl -27(%rsi), %ecx - cmp %ecx, %eax - jne L(find_diff) -L(23bytes): - movl -23(%rdi), %eax - movl -23(%rsi), %ecx - cmp %ecx, %eax - jne L(find_diff) -L(19bytes): - movl -19(%rdi), %eax - movl -19(%rsi), %ecx - cmp %ecx, %eax - jne L(find_diff) -L(15bytes): - movl -15(%rdi), %eax - movl -15(%rsi), %ecx - cmp %ecx, %eax - jne L(find_diff) -L(11bytes): - movl -11(%rdi), %eax - movl -11(%rsi), %ecx - cmp %ecx, %eax - jne L(find_diff) -L(7bytes): - movl -7(%rdi), %eax - movl -7(%rsi), %ecx - cmp %ecx, %eax - jne L(find_diff) -L(3bytes): - movzwl -3(%rdi), %eax - movzwl -3(%rsi), %ecx - cmpb %cl, %al - jne L(set) - cmp %ecx, %eax - jne L(set) - movzbl -1(%rdi), %eax - cmpb -1(%rsi), %al - jne L(set) - xor %eax, %eax - ret - - .p2align 4 -L(find_diff): - cmpb %cl, %al - jne L(set) - cmpw %cx, %ax - jne L(set) - shr $16, %eax - shr $16, %ecx - cmpb %cl, %al - jne L(set) - -/* We get there only if we already know there is a -difference. */ - - cmp %ecx, %eax -L(set): - sbb %eax, %eax - sbb $-1, %eax - ret -# else - -/* for wmemcmp */ - .p2align 4 -L(find_diff): - mov $1, %eax - jg L(find_diff_bigger) - neg %eax - ret - - .p2align 4 -L(find_diff_bigger): - ret -# endif - - .p2align 4 -L(equal): - xor %eax, %eax - ret - -END (MEMCMP) -#endif |