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https://sourceware.org/git/glibc.git
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2158 lines
36 KiB
ArmAsm
2158 lines
36 KiB
ArmAsm
/* memcmp with SSSE3, wmemcmp with SSSE3
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Copyright (C) 2010-2015 Free Software Foundation, Inc.
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Contributed by Intel Corporation.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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#if IS_IN (libc)
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# include <sysdep.h>
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# ifndef MEMCMP
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# define MEMCMP __memcmp_ssse3
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# endif
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# define CFI_PUSH(REG) \
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cfi_adjust_cfa_offset (4); \
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cfi_rel_offset (REG, 0)
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# define CFI_POP(REG) \
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cfi_adjust_cfa_offset (-4); \
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cfi_restore (REG)
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# define PUSH(REG) pushl REG; CFI_PUSH (REG)
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# define POP(REG) popl REG; CFI_POP (REG)
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# define PARMS 4
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# define BLK1 PARMS
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# define BLK2 BLK1+4
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# define LEN BLK2+4
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# define RETURN_END POP (%edi); POP (%esi); POP (%ebx); ret
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# define RETURN RETURN_END; cfi_restore_state; cfi_remember_state
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/* Warning!
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wmemcmp has to use SIGNED comparison for elements.
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memcmp has to use UNSIGNED comparison for elemnts.
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*/
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atom_text_section
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ENTRY (MEMCMP)
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movl LEN(%esp), %ecx
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# ifdef USE_AS_WMEMCMP
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shl $2, %ecx
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test %ecx, %ecx
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jz L(zero)
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# endif
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movl BLK1(%esp), %eax
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cmp $48, %ecx
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movl BLK2(%esp), %edx
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jae L(48bytesormore)
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# ifndef USE_AS_WMEMCMP
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cmp $1, %ecx
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jbe L(less1bytes)
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# endif
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PUSH (%ebx)
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add %ecx, %edx
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add %ecx, %eax
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jmp L(less48bytes)
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CFI_POP (%ebx)
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# ifndef USE_AS_WMEMCMP
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.p2align 4
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L(less1bytes):
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jb L(zero)
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movb (%eax), %cl
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cmp (%edx), %cl
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je L(zero)
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mov $1, %eax
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ja L(1bytesend)
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neg %eax
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L(1bytesend):
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ret
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# endif
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.p2align 4
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L(zero):
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xor %eax, %eax
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ret
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.p2align 4
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L(48bytesormore):
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PUSH (%ebx)
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PUSH (%esi)
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PUSH (%edi)
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cfi_remember_state
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movdqu (%eax), %xmm3
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movdqu (%edx), %xmm0
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movl %eax, %edi
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movl %edx, %esi
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pcmpeqb %xmm0, %xmm3
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pmovmskb %xmm3, %edx
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lea 16(%edi), %edi
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sub $0xffff, %edx
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lea 16(%esi), %esi
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jnz L(less16bytes)
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mov %edi, %edx
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and $0xf, %edx
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xor %edx, %edi
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sub %edx, %esi
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add %edx, %ecx
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mov %esi, %edx
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and $0xf, %edx
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jz L(shr_0)
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xor %edx, %esi
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# ifndef USE_AS_WMEMCMP
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cmp $8, %edx
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jae L(next_unaligned_table)
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cmp $0, %edx
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je L(shr_0)
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cmp $1, %edx
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je L(shr_1)
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cmp $2, %edx
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je L(shr_2)
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cmp $3, %edx
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je L(shr_3)
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cmp $4, %edx
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je L(shr_4)
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cmp $5, %edx
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je L(shr_5)
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cmp $6, %edx
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je L(shr_6)
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jmp L(shr_7)
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.p2align 2
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L(next_unaligned_table):
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cmp $8, %edx
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je L(shr_8)
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cmp $9, %edx
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je L(shr_9)
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cmp $10, %edx
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je L(shr_10)
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cmp $11, %edx
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je L(shr_11)
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cmp $12, %edx
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je L(shr_12)
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cmp $13, %edx
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je L(shr_13)
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cmp $14, %edx
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je L(shr_14)
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jmp L(shr_15)
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# else
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cmp $0, %edx
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je L(shr_0)
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cmp $4, %edx
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je L(shr_4)
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cmp $8, %edx
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je L(shr_8)
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jmp L(shr_12)
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# endif
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.p2align 4
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L(shr_0):
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cmp $80, %ecx
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jae L(shr_0_gobble)
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lea -48(%ecx), %ecx
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xor %eax, %eax
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movaps (%esi), %xmm1
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pcmpeqb (%edi), %xmm1
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movaps 16(%esi), %xmm2
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pcmpeqb 16(%edi), %xmm2
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pand %xmm1, %xmm2
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pmovmskb %xmm2, %edx
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add $32, %edi
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add $32, %esi
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sub $0xffff, %edx
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jnz L(exit)
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lea (%ecx, %edi,1), %eax
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lea (%ecx, %esi,1), %edx
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POP (%edi)
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POP (%esi)
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jmp L(less48bytes)
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cfi_restore_state
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cfi_remember_state
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.p2align 4
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L(shr_0_gobble):
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lea -48(%ecx), %ecx
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movdqa (%esi), %xmm0
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xor %eax, %eax
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pcmpeqb (%edi), %xmm0
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sub $32, %ecx
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movdqa 16(%esi), %xmm2
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pcmpeqb 16(%edi), %xmm2
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L(shr_0_gobble_loop):
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pand %xmm0, %xmm2
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sub $32, %ecx
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pmovmskb %xmm2, %edx
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movdqa %xmm0, %xmm1
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movdqa 32(%esi), %xmm0
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movdqa 48(%esi), %xmm2
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sbb $0xffff, %edx
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pcmpeqb 32(%edi), %xmm0
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pcmpeqb 48(%edi), %xmm2
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lea 32(%edi), %edi
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lea 32(%esi), %esi
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jz L(shr_0_gobble_loop)
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pand %xmm0, %xmm2
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cmp $0, %ecx
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jge L(shr_0_gobble_loop_next)
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inc %edx
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add $32, %ecx
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L(shr_0_gobble_loop_next):
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test %edx, %edx
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jnz L(exit)
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pmovmskb %xmm2, %edx
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movdqa %xmm0, %xmm1
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lea 32(%edi), %edi
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lea 32(%esi), %esi
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sub $0xffff, %edx
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jnz L(exit)
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lea (%ecx, %edi,1), %eax
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lea (%ecx, %esi,1), %edx
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POP (%edi)
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POP (%esi)
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jmp L(less48bytes)
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# ifndef USE_AS_WMEMCMP
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cfi_restore_state
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cfi_remember_state
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.p2align 4
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L(shr_1):
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cmp $80, %ecx
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lea -48(%ecx), %ecx
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mov %edx, %eax
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jae L(shr_1_gobble)
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movdqa 16(%esi), %xmm1
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movdqa %xmm1, %xmm2
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palignr $1,(%esi), %xmm1
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pcmpeqb (%edi), %xmm1
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movdqa 32(%esi), %xmm3
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palignr $1,%xmm2, %xmm3
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pcmpeqb 16(%edi), %xmm3
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pand %xmm1, %xmm3
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pmovmskb %xmm3, %edx
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lea 32(%edi), %edi
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lea 32(%esi), %esi
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sub $0xffff, %edx
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jnz L(exit)
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lea (%ecx, %edi,1), %eax
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lea 1(%ecx, %esi,1), %edx
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POP (%edi)
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POP (%esi)
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jmp L(less48bytes)
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cfi_restore_state
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cfi_remember_state
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.p2align 4
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L(shr_1_gobble):
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sub $32, %ecx
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movdqa 16(%esi), %xmm0
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palignr $1,(%esi), %xmm0
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pcmpeqb (%edi), %xmm0
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movdqa 32(%esi), %xmm3
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palignr $1,16(%esi), %xmm3
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pcmpeqb 16(%edi), %xmm3
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L(shr_1_gobble_loop):
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pand %xmm0, %xmm3
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sub $32, %ecx
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pmovmskb %xmm3, %edx
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movdqa %xmm0, %xmm1
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movdqa 64(%esi), %xmm3
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palignr $1,48(%esi), %xmm3
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sbb $0xffff, %edx
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movdqa 48(%esi), %xmm0
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palignr $1,32(%esi), %xmm0
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pcmpeqb 32(%edi), %xmm0
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lea 32(%esi), %esi
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pcmpeqb 48(%edi), %xmm3
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lea 32(%edi), %edi
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jz L(shr_1_gobble_loop)
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pand %xmm0, %xmm3
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cmp $0, %ecx
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jge L(shr_1_gobble_next)
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inc %edx
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add $32, %ecx
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L(shr_1_gobble_next):
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test %edx, %edx
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jnz L(exit)
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pmovmskb %xmm3, %edx
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movdqa %xmm0, %xmm1
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lea 32(%edi), %edi
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lea 32(%esi), %esi
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sub $0xffff, %edx
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jnz L(exit)
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lea (%ecx, %edi,1), %eax
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lea 1(%ecx, %esi,1), %edx
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POP (%edi)
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POP (%esi)
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jmp L(less48bytes)
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cfi_restore_state
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cfi_remember_state
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.p2align 4
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L(shr_2):
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cmp $80, %ecx
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lea -48(%ecx), %ecx
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mov %edx, %eax
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jae L(shr_2_gobble)
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movdqa 16(%esi), %xmm1
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movdqa %xmm1, %xmm2
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palignr $2,(%esi), %xmm1
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pcmpeqb (%edi), %xmm1
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movdqa 32(%esi), %xmm3
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palignr $2,%xmm2, %xmm3
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pcmpeqb 16(%edi), %xmm3
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pand %xmm1, %xmm3
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pmovmskb %xmm3, %edx
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lea 32(%edi), %edi
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lea 32(%esi), %esi
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sub $0xffff, %edx
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jnz L(exit)
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lea (%ecx, %edi,1), %eax
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lea 2(%ecx, %esi,1), %edx
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POP (%edi)
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POP (%esi)
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jmp L(less48bytes)
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cfi_restore_state
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cfi_remember_state
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.p2align 4
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L(shr_2_gobble):
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sub $32, %ecx
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movdqa 16(%esi), %xmm0
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palignr $2,(%esi), %xmm0
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pcmpeqb (%edi), %xmm0
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movdqa 32(%esi), %xmm3
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palignr $2,16(%esi), %xmm3
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pcmpeqb 16(%edi), %xmm3
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L(shr_2_gobble_loop):
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pand %xmm0, %xmm3
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sub $32, %ecx
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pmovmskb %xmm3, %edx
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movdqa %xmm0, %xmm1
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movdqa 64(%esi), %xmm3
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palignr $2,48(%esi), %xmm3
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sbb $0xffff, %edx
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movdqa 48(%esi), %xmm0
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palignr $2,32(%esi), %xmm0
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pcmpeqb 32(%edi), %xmm0
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lea 32(%esi), %esi
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pcmpeqb 48(%edi), %xmm3
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lea 32(%edi), %edi
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jz L(shr_2_gobble_loop)
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pand %xmm0, %xmm3
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cmp $0, %ecx
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jge L(shr_2_gobble_next)
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inc %edx
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add $32, %ecx
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L(shr_2_gobble_next):
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test %edx, %edx
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jnz L(exit)
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pmovmskb %xmm3, %edx
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movdqa %xmm0, %xmm1
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lea 32(%edi), %edi
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lea 32(%esi), %esi
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sub $0xffff, %edx
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jnz L(exit)
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lea (%ecx, %edi,1), %eax
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lea 2(%ecx, %esi,1), %edx
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POP (%edi)
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POP (%esi)
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jmp L(less48bytes)
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cfi_restore_state
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cfi_remember_state
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.p2align 4
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L(shr_3):
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cmp $80, %ecx
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lea -48(%ecx), %ecx
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mov %edx, %eax
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jae L(shr_3_gobble)
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movdqa 16(%esi), %xmm1
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movdqa %xmm1, %xmm2
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palignr $3,(%esi), %xmm1
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pcmpeqb (%edi), %xmm1
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movdqa 32(%esi), %xmm3
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palignr $3,%xmm2, %xmm3
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pcmpeqb 16(%edi), %xmm3
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pand %xmm1, %xmm3
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pmovmskb %xmm3, %edx
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lea 32(%edi), %edi
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lea 32(%esi), %esi
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sub $0xffff, %edx
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jnz L(exit)
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lea (%ecx, %edi,1), %eax
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lea 3(%ecx, %esi,1), %edx
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POP (%edi)
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POP (%esi)
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jmp L(less48bytes)
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cfi_restore_state
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cfi_remember_state
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.p2align 4
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L(shr_3_gobble):
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sub $32, %ecx
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movdqa 16(%esi), %xmm0
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palignr $3,(%esi), %xmm0
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pcmpeqb (%edi), %xmm0
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movdqa 32(%esi), %xmm3
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palignr $3,16(%esi), %xmm3
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pcmpeqb 16(%edi), %xmm3
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L(shr_3_gobble_loop):
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pand %xmm0, %xmm3
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sub $32, %ecx
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pmovmskb %xmm3, %edx
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movdqa %xmm0, %xmm1
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movdqa 64(%esi), %xmm3
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palignr $3,48(%esi), %xmm3
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sbb $0xffff, %edx
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movdqa 48(%esi), %xmm0
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palignr $3,32(%esi), %xmm0
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pcmpeqb 32(%edi), %xmm0
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lea 32(%esi), %esi
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pcmpeqb 48(%edi), %xmm3
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lea 32(%edi), %edi
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jz L(shr_3_gobble_loop)
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pand %xmm0, %xmm3
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cmp $0, %ecx
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jge L(shr_3_gobble_next)
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inc %edx
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add $32, %ecx
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L(shr_3_gobble_next):
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test %edx, %edx
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jnz L(exit)
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pmovmskb %xmm3, %edx
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movdqa %xmm0, %xmm1
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lea 32(%edi), %edi
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lea 32(%esi), %esi
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sub $0xffff, %edx
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jnz L(exit)
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lea (%ecx, %edi,1), %eax
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lea 3(%ecx, %esi,1), %edx
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POP (%edi)
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POP (%esi)
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jmp L(less48bytes)
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# endif
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cfi_restore_state
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cfi_remember_state
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.p2align 4
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L(shr_4):
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cmp $80, %ecx
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lea -48(%ecx), %ecx
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mov %edx, %eax
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jae L(shr_4_gobble)
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movdqa 16(%esi), %xmm1
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movdqa %xmm1, %xmm2
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palignr $4,(%esi), %xmm1
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pcmpeqb (%edi), %xmm1
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movdqa 32(%esi), %xmm3
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palignr $4,%xmm2, %xmm3
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pcmpeqb 16(%edi), %xmm3
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pand %xmm1, %xmm3
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pmovmskb %xmm3, %edx
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lea 32(%edi), %edi
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lea 32(%esi), %esi
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sub $0xffff, %edx
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jnz L(exit)
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lea (%ecx, %edi,1), %eax
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lea 4(%ecx, %esi,1), %edx
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POP (%edi)
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POP (%esi)
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jmp L(less48bytes)
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cfi_restore_state
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cfi_remember_state
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.p2align 4
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L(shr_4_gobble):
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sub $32, %ecx
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movdqa 16(%esi), %xmm0
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palignr $4,(%esi), %xmm0
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pcmpeqb (%edi), %xmm0
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movdqa 32(%esi), %xmm3
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|
palignr $4,16(%esi), %xmm3
|
|
pcmpeqb 16(%edi), %xmm3
|
|
|
|
L(shr_4_gobble_loop):
|
|
pand %xmm0, %xmm3
|
|
sub $32, %ecx
|
|
pmovmskb %xmm3, %edx
|
|
movdqa %xmm0, %xmm1
|
|
|
|
movdqa 64(%esi), %xmm3
|
|
palignr $4,48(%esi), %xmm3
|
|
sbb $0xffff, %edx
|
|
movdqa 48(%esi), %xmm0
|
|
palignr $4,32(%esi), %xmm0
|
|
pcmpeqb 32(%edi), %xmm0
|
|
lea 32(%esi), %esi
|
|
pcmpeqb 48(%edi), %xmm3
|
|
|
|
lea 32(%edi), %edi
|
|
jz L(shr_4_gobble_loop)
|
|
pand %xmm0, %xmm3
|
|
|
|
cmp $0, %ecx
|
|
jge L(shr_4_gobble_next)
|
|
inc %edx
|
|
add $32, %ecx
|
|
L(shr_4_gobble_next):
|
|
test %edx, %edx
|
|
jnz L(exit)
|
|
|
|
pmovmskb %xmm3, %edx
|
|
movdqa %xmm0, %xmm1
|
|
lea 32(%edi), %edi
|
|
lea 32(%esi), %esi
|
|
sub $0xffff, %edx
|
|
jnz L(exit)
|
|
|
|
lea (%ecx, %edi,1), %eax
|
|
lea 4(%ecx, %esi,1), %edx
|
|
POP (%edi)
|
|
POP (%esi)
|
|
jmp L(less48bytes)
|
|
|
|
# ifndef USE_AS_WMEMCMP
|
|
cfi_restore_state
|
|
cfi_remember_state
|
|
.p2align 4
|
|
L(shr_5):
|
|
cmp $80, %ecx
|
|
lea -48(%ecx), %ecx
|
|
mov %edx, %eax
|
|
jae L(shr_5_gobble)
|
|
|
|
movdqa 16(%esi), %xmm1
|
|
movdqa %xmm1, %xmm2
|
|
palignr $5,(%esi), %xmm1
|
|
pcmpeqb (%edi), %xmm1
|
|
|
|
movdqa 32(%esi), %xmm3
|
|
palignr $5,%xmm2, %xmm3
|
|
pcmpeqb 16(%edi), %xmm3
|
|
|
|
pand %xmm1, %xmm3
|
|
pmovmskb %xmm3, %edx
|
|
lea 32(%edi), %edi
|
|
lea 32(%esi), %esi
|
|
sub $0xffff, %edx
|
|
jnz L(exit)
|
|
lea (%ecx, %edi,1), %eax
|
|
lea 5(%ecx, %esi,1), %edx
|
|
POP (%edi)
|
|
POP (%esi)
|
|
jmp L(less48bytes)
|
|
|
|
cfi_restore_state
|
|
cfi_remember_state
|
|
.p2align 4
|
|
L(shr_5_gobble):
|
|
sub $32, %ecx
|
|
movdqa 16(%esi), %xmm0
|
|
palignr $5,(%esi), %xmm0
|
|
pcmpeqb (%edi), %xmm0
|
|
|
|
movdqa 32(%esi), %xmm3
|
|
palignr $5,16(%esi), %xmm3
|
|
pcmpeqb 16(%edi), %xmm3
|
|
|
|
L(shr_5_gobble_loop):
|
|
pand %xmm0, %xmm3
|
|
sub $32, %ecx
|
|
pmovmskb %xmm3, %edx
|
|
movdqa %xmm0, %xmm1
|
|
|
|
movdqa 64(%esi), %xmm3
|
|
palignr $5,48(%esi), %xmm3
|
|
sbb $0xffff, %edx
|
|
movdqa 48(%esi), %xmm0
|
|
palignr $5,32(%esi), %xmm0
|
|
pcmpeqb 32(%edi), %xmm0
|
|
lea 32(%esi), %esi
|
|
pcmpeqb 48(%edi), %xmm3
|
|
|
|
lea 32(%edi), %edi
|
|
jz L(shr_5_gobble_loop)
|
|
pand %xmm0, %xmm3
|
|
|
|
cmp $0, %ecx
|
|
jge L(shr_5_gobble_next)
|
|
inc %edx
|
|
add $32, %ecx
|
|
L(shr_5_gobble_next):
|
|
test %edx, %edx
|
|
jnz L(exit)
|
|
|
|
pmovmskb %xmm3, %edx
|
|
movdqa %xmm0, %xmm1
|
|
lea 32(%edi), %edi
|
|
lea 32(%esi), %esi
|
|
sub $0xffff, %edx
|
|
jnz L(exit)
|
|
|
|
lea (%ecx, %edi,1), %eax
|
|
lea 5(%ecx, %esi,1), %edx
|
|
POP (%edi)
|
|
POP (%esi)
|
|
jmp L(less48bytes)
|
|
|
|
cfi_restore_state
|
|
cfi_remember_state
|
|
.p2align 4
|
|
L(shr_6):
|
|
cmp $80, %ecx
|
|
lea -48(%ecx), %ecx
|
|
mov %edx, %eax
|
|
jae L(shr_6_gobble)
|
|
|
|
movdqa 16(%esi), %xmm1
|
|
movdqa %xmm1, %xmm2
|
|
palignr $6,(%esi), %xmm1
|
|
pcmpeqb (%edi), %xmm1
|
|
|
|
movdqa 32(%esi), %xmm3
|
|
palignr $6,%xmm2, %xmm3
|
|
pcmpeqb 16(%edi), %xmm3
|
|
|
|
pand %xmm1, %xmm3
|
|
pmovmskb %xmm3, %edx
|
|
lea 32(%edi), %edi
|
|
lea 32(%esi), %esi
|
|
sub $0xffff, %edx
|
|
jnz L(exit)
|
|
lea (%ecx, %edi,1), %eax
|
|
lea 6(%ecx, %esi,1), %edx
|
|
POP (%edi)
|
|
POP (%esi)
|
|
jmp L(less48bytes)
|
|
|
|
cfi_restore_state
|
|
cfi_remember_state
|
|
.p2align 4
|
|
L(shr_6_gobble):
|
|
sub $32, %ecx
|
|
movdqa 16(%esi), %xmm0
|
|
palignr $6,(%esi), %xmm0
|
|
pcmpeqb (%edi), %xmm0
|
|
|
|
movdqa 32(%esi), %xmm3
|
|
palignr $6,16(%esi), %xmm3
|
|
pcmpeqb 16(%edi), %xmm3
|
|
|
|
L(shr_6_gobble_loop):
|
|
pand %xmm0, %xmm3
|
|
sub $32, %ecx
|
|
pmovmskb %xmm3, %edx
|
|
movdqa %xmm0, %xmm1
|
|
|
|
movdqa 64(%esi), %xmm3
|
|
palignr $6,48(%esi), %xmm3
|
|
sbb $0xffff, %edx
|
|
movdqa 48(%esi), %xmm0
|
|
palignr $6,32(%esi), %xmm0
|
|
pcmpeqb 32(%edi), %xmm0
|
|
lea 32(%esi), %esi
|
|
pcmpeqb 48(%edi), %xmm3
|
|
|
|
lea 32(%edi), %edi
|
|
jz L(shr_6_gobble_loop)
|
|
pand %xmm0, %xmm3
|
|
|
|
cmp $0, %ecx
|
|
jge L(shr_6_gobble_next)
|
|
inc %edx
|
|
add $32, %ecx
|
|
L(shr_6_gobble_next):
|
|
test %edx, %edx
|
|
jnz L(exit)
|
|
|
|
pmovmskb %xmm3, %edx
|
|
movdqa %xmm0, %xmm1
|
|
lea 32(%edi), %edi
|
|
lea 32(%esi), %esi
|
|
sub $0xffff, %edx
|
|
jnz L(exit)
|
|
|
|
lea (%ecx, %edi,1), %eax
|
|
lea 6(%ecx, %esi,1), %edx
|
|
POP (%edi)
|
|
POP (%esi)
|
|
jmp L(less48bytes)
|
|
|
|
cfi_restore_state
|
|
cfi_remember_state
|
|
.p2align 4
|
|
L(shr_7):
|
|
cmp $80, %ecx
|
|
lea -48(%ecx), %ecx
|
|
mov %edx, %eax
|
|
jae L(shr_7_gobble)
|
|
|
|
movdqa 16(%esi), %xmm1
|
|
movdqa %xmm1, %xmm2
|
|
palignr $7,(%esi), %xmm1
|
|
pcmpeqb (%edi), %xmm1
|
|
|
|
movdqa 32(%esi), %xmm3
|
|
palignr $7,%xmm2, %xmm3
|
|
pcmpeqb 16(%edi), %xmm3
|
|
|
|
pand %xmm1, %xmm3
|
|
pmovmskb %xmm3, %edx
|
|
lea 32(%edi), %edi
|
|
lea 32(%esi), %esi
|
|
sub $0xffff, %edx
|
|
jnz L(exit)
|
|
lea (%ecx, %edi,1), %eax
|
|
lea 7(%ecx, %esi,1), %edx
|
|
POP (%edi)
|
|
POP (%esi)
|
|
jmp L(less48bytes)
|
|
|
|
cfi_restore_state
|
|
cfi_remember_state
|
|
.p2align 4
|
|
L(shr_7_gobble):
|
|
sub $32, %ecx
|
|
movdqa 16(%esi), %xmm0
|
|
palignr $7,(%esi), %xmm0
|
|
pcmpeqb (%edi), %xmm0
|
|
|
|
movdqa 32(%esi), %xmm3
|
|
palignr $7,16(%esi), %xmm3
|
|
pcmpeqb 16(%edi), %xmm3
|
|
|
|
L(shr_7_gobble_loop):
|
|
pand %xmm0, %xmm3
|
|
sub $32, %ecx
|
|
pmovmskb %xmm3, %edx
|
|
movdqa %xmm0, %xmm1
|
|
|
|
movdqa 64(%esi), %xmm3
|
|
palignr $7,48(%esi), %xmm3
|
|
sbb $0xffff, %edx
|
|
movdqa 48(%esi), %xmm0
|
|
palignr $7,32(%esi), %xmm0
|
|
pcmpeqb 32(%edi), %xmm0
|
|
lea 32(%esi), %esi
|
|
pcmpeqb 48(%edi), %xmm3
|
|
|
|
lea 32(%edi), %edi
|
|
jz L(shr_7_gobble_loop)
|
|
pand %xmm0, %xmm3
|
|
|
|
cmp $0, %ecx
|
|
jge L(shr_7_gobble_next)
|
|
inc %edx
|
|
add $32, %ecx
|
|
L(shr_7_gobble_next):
|
|
test %edx, %edx
|
|
jnz L(exit)
|
|
|
|
pmovmskb %xmm3, %edx
|
|
movdqa %xmm0, %xmm1
|
|
lea 32(%edi), %edi
|
|
lea 32(%esi), %esi
|
|
sub $0xffff, %edx
|
|
jnz L(exit)
|
|
|
|
lea (%ecx, %edi,1), %eax
|
|
lea 7(%ecx, %esi,1), %edx
|
|
POP (%edi)
|
|
POP (%esi)
|
|
jmp L(less48bytes)
|
|
# endif
|
|
|
|
cfi_restore_state
|
|
cfi_remember_state
|
|
.p2align 4
|
|
L(shr_8):
|
|
cmp $80, %ecx
|
|
lea -48(%ecx), %ecx
|
|
mov %edx, %eax
|
|
jae L(shr_8_gobble)
|
|
|
|
movdqa 16(%esi), %xmm1
|
|
movdqa %xmm1, %xmm2
|
|
palignr $8,(%esi), %xmm1
|
|
pcmpeqb (%edi), %xmm1
|
|
|
|
movdqa 32(%esi), %xmm3
|
|
palignr $8,%xmm2, %xmm3
|
|
pcmpeqb 16(%edi), %xmm3
|
|
|
|
pand %xmm1, %xmm3
|
|
pmovmskb %xmm3, %edx
|
|
lea 32(%edi), %edi
|
|
lea 32(%esi), %esi
|
|
sub $0xffff, %edx
|
|
jnz L(exit)
|
|
lea (%ecx, %edi,1), %eax
|
|
lea 8(%ecx, %esi,1), %edx
|
|
POP (%edi)
|
|
POP (%esi)
|
|
jmp L(less48bytes)
|
|
|
|
cfi_restore_state
|
|
cfi_remember_state
|
|
.p2align 4
|
|
L(shr_8_gobble):
|
|
sub $32, %ecx
|
|
movdqa 16(%esi), %xmm0
|
|
palignr $8,(%esi), %xmm0
|
|
pcmpeqb (%edi), %xmm0
|
|
|
|
movdqa 32(%esi), %xmm3
|
|
palignr $8,16(%esi), %xmm3
|
|
pcmpeqb 16(%edi), %xmm3
|
|
|
|
L(shr_8_gobble_loop):
|
|
pand %xmm0, %xmm3
|
|
sub $32, %ecx
|
|
pmovmskb %xmm3, %edx
|
|
movdqa %xmm0, %xmm1
|
|
|
|
movdqa 64(%esi), %xmm3
|
|
palignr $8,48(%esi), %xmm3
|
|
sbb $0xffff, %edx
|
|
movdqa 48(%esi), %xmm0
|
|
palignr $8,32(%esi), %xmm0
|
|
pcmpeqb 32(%edi), %xmm0
|
|
lea 32(%esi), %esi
|
|
pcmpeqb 48(%edi), %xmm3
|
|
|
|
lea 32(%edi), %edi
|
|
jz L(shr_8_gobble_loop)
|
|
pand %xmm0, %xmm3
|
|
|
|
cmp $0, %ecx
|
|
jge L(shr_8_gobble_next)
|
|
inc %edx
|
|
add $32, %ecx
|
|
L(shr_8_gobble_next):
|
|
test %edx, %edx
|
|
jnz L(exit)
|
|
|
|
pmovmskb %xmm3, %edx
|
|
movdqa %xmm0, %xmm1
|
|
lea 32(%edi), %edi
|
|
lea 32(%esi), %esi
|
|
sub $0xffff, %edx
|
|
jnz L(exit)
|
|
|
|
lea (%ecx, %edi,1), %eax
|
|
lea 8(%ecx, %esi,1), %edx
|
|
POP (%edi)
|
|
POP (%esi)
|
|
jmp L(less48bytes)
|
|
|
|
# ifndef USE_AS_WMEMCMP
|
|
cfi_restore_state
|
|
cfi_remember_state
|
|
.p2align 4
|
|
L(shr_9):
|
|
cmp $80, %ecx
|
|
lea -48(%ecx), %ecx
|
|
mov %edx, %eax
|
|
jae L(shr_9_gobble)
|
|
|
|
movdqa 16(%esi), %xmm1
|
|
movdqa %xmm1, %xmm2
|
|
palignr $9,(%esi), %xmm1
|
|
pcmpeqb (%edi), %xmm1
|
|
|
|
movdqa 32(%esi), %xmm3
|
|
palignr $9,%xmm2, %xmm3
|
|
pcmpeqb 16(%edi), %xmm3
|
|
|
|
pand %xmm1, %xmm3
|
|
pmovmskb %xmm3, %edx
|
|
lea 32(%edi), %edi
|
|
lea 32(%esi), %esi
|
|
sub $0xffff, %edx
|
|
jnz L(exit)
|
|
lea (%ecx, %edi,1), %eax
|
|
lea 9(%ecx, %esi,1), %edx
|
|
POP (%edi)
|
|
POP (%esi)
|
|
jmp L(less48bytes)
|
|
|
|
cfi_restore_state
|
|
cfi_remember_state
|
|
.p2align 4
|
|
L(shr_9_gobble):
|
|
sub $32, %ecx
|
|
movdqa 16(%esi), %xmm0
|
|
palignr $9,(%esi), %xmm0
|
|
pcmpeqb (%edi), %xmm0
|
|
|
|
movdqa 32(%esi), %xmm3
|
|
palignr $9,16(%esi), %xmm3
|
|
pcmpeqb 16(%edi), %xmm3
|
|
|
|
L(shr_9_gobble_loop):
|
|
pand %xmm0, %xmm3
|
|
sub $32, %ecx
|
|
pmovmskb %xmm3, %edx
|
|
movdqa %xmm0, %xmm1
|
|
|
|
movdqa 64(%esi), %xmm3
|
|
palignr $9,48(%esi), %xmm3
|
|
sbb $0xffff, %edx
|
|
movdqa 48(%esi), %xmm0
|
|
palignr $9,32(%esi), %xmm0
|
|
pcmpeqb 32(%edi), %xmm0
|
|
lea 32(%esi), %esi
|
|
pcmpeqb 48(%edi), %xmm3
|
|
|
|
lea 32(%edi), %edi
|
|
jz L(shr_9_gobble_loop)
|
|
pand %xmm0, %xmm3
|
|
|
|
cmp $0, %ecx
|
|
jge L(shr_9_gobble_next)
|
|
inc %edx
|
|
add $32, %ecx
|
|
L(shr_9_gobble_next):
|
|
test %edx, %edx
|
|
jnz L(exit)
|
|
|
|
pmovmskb %xmm3, %edx
|
|
movdqa %xmm0, %xmm1
|
|
lea 32(%edi), %edi
|
|
lea 32(%esi), %esi
|
|
sub $0xffff, %edx
|
|
jnz L(exit)
|
|
|
|
lea (%ecx, %edi,1), %eax
|
|
lea 9(%ecx, %esi,1), %edx
|
|
POP (%edi)
|
|
POP (%esi)
|
|
jmp L(less48bytes)
|
|
|
|
cfi_restore_state
|
|
cfi_remember_state
|
|
.p2align 4
|
|
L(shr_10):
|
|
cmp $80, %ecx
|
|
lea -48(%ecx), %ecx
|
|
mov %edx, %eax
|
|
jae L(shr_10_gobble)
|
|
|
|
movdqa 16(%esi), %xmm1
|
|
movdqa %xmm1, %xmm2
|
|
palignr $10, (%esi), %xmm1
|
|
pcmpeqb (%edi), %xmm1
|
|
|
|
movdqa 32(%esi), %xmm3
|
|
palignr $10,%xmm2, %xmm3
|
|
pcmpeqb 16(%edi), %xmm3
|
|
|
|
pand %xmm1, %xmm3
|
|
pmovmskb %xmm3, %edx
|
|
lea 32(%edi), %edi
|
|
lea 32(%esi), %esi
|
|
sub $0xffff, %edx
|
|
jnz L(exit)
|
|
lea (%ecx, %edi,1), %eax
|
|
lea 10(%ecx, %esi,1), %edx
|
|
POP (%edi)
|
|
POP (%esi)
|
|
jmp L(less48bytes)
|
|
|
|
cfi_restore_state
|
|
cfi_remember_state
|
|
.p2align 4
|
|
L(shr_10_gobble):
|
|
sub $32, %ecx
|
|
movdqa 16(%esi), %xmm0
|
|
palignr $10, (%esi), %xmm0
|
|
pcmpeqb (%edi), %xmm0
|
|
|
|
movdqa 32(%esi), %xmm3
|
|
palignr $10, 16(%esi), %xmm3
|
|
pcmpeqb 16(%edi), %xmm3
|
|
|
|
L(shr_10_gobble_loop):
|
|
pand %xmm0, %xmm3
|
|
sub $32, %ecx
|
|
pmovmskb %xmm3, %edx
|
|
movdqa %xmm0, %xmm1
|
|
|
|
movdqa 64(%esi), %xmm3
|
|
palignr $10,48(%esi), %xmm3
|
|
sbb $0xffff, %edx
|
|
movdqa 48(%esi), %xmm0
|
|
palignr $10,32(%esi), %xmm0
|
|
pcmpeqb 32(%edi), %xmm0
|
|
lea 32(%esi), %esi
|
|
pcmpeqb 48(%edi), %xmm3
|
|
|
|
lea 32(%edi), %edi
|
|
jz L(shr_10_gobble_loop)
|
|
pand %xmm0, %xmm3
|
|
|
|
cmp $0, %ecx
|
|
jge L(shr_10_gobble_next)
|
|
inc %edx
|
|
add $32, %ecx
|
|
L(shr_10_gobble_next):
|
|
test %edx, %edx
|
|
jnz L(exit)
|
|
|
|
pmovmskb %xmm3, %edx
|
|
movdqa %xmm0, %xmm1
|
|
lea 32(%edi), %edi
|
|
lea 32(%esi), %esi
|
|
sub $0xffff, %edx
|
|
jnz L(exit)
|
|
|
|
lea (%ecx, %edi,1), %eax
|
|
lea 10(%ecx, %esi,1), %edx
|
|
POP (%edi)
|
|
POP (%esi)
|
|
jmp L(less48bytes)
|
|
|
|
cfi_restore_state
|
|
cfi_remember_state
|
|
.p2align 4
|
|
L(shr_11):
|
|
cmp $80, %ecx
|
|
lea -48(%ecx), %ecx
|
|
mov %edx, %eax
|
|
jae L(shr_11_gobble)
|
|
|
|
movdqa 16(%esi), %xmm1
|
|
movdqa %xmm1, %xmm2
|
|
palignr $11, (%esi), %xmm1
|
|
pcmpeqb (%edi), %xmm1
|
|
|
|
movdqa 32(%esi), %xmm3
|
|
palignr $11, %xmm2, %xmm3
|
|
pcmpeqb 16(%edi), %xmm3
|
|
|
|
pand %xmm1, %xmm3
|
|
pmovmskb %xmm3, %edx
|
|
lea 32(%edi), %edi
|
|
lea 32(%esi), %esi
|
|
sub $0xffff, %edx
|
|
jnz L(exit)
|
|
lea (%ecx, %edi,1), %eax
|
|
lea 11(%ecx, %esi,1), %edx
|
|
POP (%edi)
|
|
POP (%esi)
|
|
jmp L(less48bytes)
|
|
|
|
cfi_restore_state
|
|
cfi_remember_state
|
|
.p2align 4
|
|
L(shr_11_gobble):
|
|
sub $32, %ecx
|
|
movdqa 16(%esi), %xmm0
|
|
palignr $11, (%esi), %xmm0
|
|
pcmpeqb (%edi), %xmm0
|
|
|
|
movdqa 32(%esi), %xmm3
|
|
palignr $11, 16(%esi), %xmm3
|
|
pcmpeqb 16(%edi), %xmm3
|
|
|
|
L(shr_11_gobble_loop):
|
|
pand %xmm0, %xmm3
|
|
sub $32, %ecx
|
|
pmovmskb %xmm3, %edx
|
|
movdqa %xmm0, %xmm1
|
|
|
|
movdqa 64(%esi), %xmm3
|
|
palignr $11,48(%esi), %xmm3
|
|
sbb $0xffff, %edx
|
|
movdqa 48(%esi), %xmm0
|
|
palignr $11,32(%esi), %xmm0
|
|
pcmpeqb 32(%edi), %xmm0
|
|
lea 32(%esi), %esi
|
|
pcmpeqb 48(%edi), %xmm3
|
|
|
|
lea 32(%edi), %edi
|
|
jz L(shr_11_gobble_loop)
|
|
pand %xmm0, %xmm3
|
|
|
|
cmp $0, %ecx
|
|
jge L(shr_11_gobble_next)
|
|
inc %edx
|
|
add $32, %ecx
|
|
L(shr_11_gobble_next):
|
|
test %edx, %edx
|
|
jnz L(exit)
|
|
|
|
pmovmskb %xmm3, %edx
|
|
movdqa %xmm0, %xmm1
|
|
lea 32(%edi), %edi
|
|
lea 32(%esi), %esi
|
|
sub $0xffff, %edx
|
|
jnz L(exit)
|
|
|
|
lea (%ecx, %edi,1), %eax
|
|
lea 11(%ecx, %esi,1), %edx
|
|
POP (%edi)
|
|
POP (%esi)
|
|
jmp L(less48bytes)
|
|
# endif
|
|
|
|
cfi_restore_state
|
|
cfi_remember_state
|
|
.p2align 4
|
|
L(shr_12):
|
|
cmp $80, %ecx
|
|
lea -48(%ecx), %ecx
|
|
mov %edx, %eax
|
|
jae L(shr_12_gobble)
|
|
|
|
movdqa 16(%esi), %xmm1
|
|
movdqa %xmm1, %xmm2
|
|
palignr $12, (%esi), %xmm1
|
|
pcmpeqb (%edi), %xmm1
|
|
|
|
movdqa 32(%esi), %xmm3
|
|
palignr $12, %xmm2, %xmm3
|
|
pcmpeqb 16(%edi), %xmm3
|
|
|
|
pand %xmm1, %xmm3
|
|
pmovmskb %xmm3, %edx
|
|
lea 32(%edi), %edi
|
|
lea 32(%esi), %esi
|
|
sub $0xffff, %edx
|
|
jnz L(exit)
|
|
lea (%ecx, %edi,1), %eax
|
|
lea 12(%ecx, %esi,1), %edx
|
|
POP (%edi)
|
|
POP (%esi)
|
|
jmp L(less48bytes)
|
|
|
|
cfi_restore_state
|
|
cfi_remember_state
|
|
.p2align 4
|
|
L(shr_12_gobble):
|
|
sub $32, %ecx
|
|
movdqa 16(%esi), %xmm0
|
|
palignr $12, (%esi), %xmm0
|
|
pcmpeqb (%edi), %xmm0
|
|
|
|
movdqa 32(%esi), %xmm3
|
|
palignr $12, 16(%esi), %xmm3
|
|
pcmpeqb 16(%edi), %xmm3
|
|
|
|
L(shr_12_gobble_loop):
|
|
pand %xmm0, %xmm3
|
|
sub $32, %ecx
|
|
pmovmskb %xmm3, %edx
|
|
movdqa %xmm0, %xmm1
|
|
|
|
movdqa 64(%esi), %xmm3
|
|
palignr $12,48(%esi), %xmm3
|
|
sbb $0xffff, %edx
|
|
movdqa 48(%esi), %xmm0
|
|
palignr $12,32(%esi), %xmm0
|
|
pcmpeqb 32(%edi), %xmm0
|
|
lea 32(%esi), %esi
|
|
pcmpeqb 48(%edi), %xmm3
|
|
|
|
lea 32(%edi), %edi
|
|
jz L(shr_12_gobble_loop)
|
|
pand %xmm0, %xmm3
|
|
|
|
cmp $0, %ecx
|
|
jge L(shr_12_gobble_next)
|
|
inc %edx
|
|
add $32, %ecx
|
|
L(shr_12_gobble_next):
|
|
test %edx, %edx
|
|
jnz L(exit)
|
|
|
|
pmovmskb %xmm3, %edx
|
|
movdqa %xmm0, %xmm1
|
|
lea 32(%edi), %edi
|
|
lea 32(%esi), %esi
|
|
sub $0xffff, %edx
|
|
jnz L(exit)
|
|
|
|
lea (%ecx, %edi,1), %eax
|
|
lea 12(%ecx, %esi,1), %edx
|
|
POP (%edi)
|
|
POP (%esi)
|
|
jmp L(less48bytes)
|
|
|
|
# ifndef USE_AS_WMEMCMP
|
|
cfi_restore_state
|
|
cfi_remember_state
|
|
.p2align 4
|
|
L(shr_13):
|
|
cmp $80, %ecx
|
|
lea -48(%ecx), %ecx
|
|
mov %edx, %eax
|
|
jae L(shr_13_gobble)
|
|
|
|
movdqa 16(%esi), %xmm1
|
|
movdqa %xmm1, %xmm2
|
|
palignr $13, (%esi), %xmm1
|
|
pcmpeqb (%edi), %xmm1
|
|
|
|
movdqa 32(%esi), %xmm3
|
|
palignr $13, %xmm2, %xmm3
|
|
pcmpeqb 16(%edi), %xmm3
|
|
|
|
pand %xmm1, %xmm3
|
|
pmovmskb %xmm3, %edx
|
|
lea 32(%edi), %edi
|
|
lea 32(%esi), %esi
|
|
sub $0xffff, %edx
|
|
jnz L(exit)
|
|
lea (%ecx, %edi,1), %eax
|
|
lea 13(%ecx, %esi,1), %edx
|
|
POP (%edi)
|
|
POP (%esi)
|
|
jmp L(less48bytes)
|
|
|
|
cfi_restore_state
|
|
cfi_remember_state
|
|
.p2align 4
|
|
L(shr_13_gobble):
|
|
sub $32, %ecx
|
|
movdqa 16(%esi), %xmm0
|
|
palignr $13, (%esi), %xmm0
|
|
pcmpeqb (%edi), %xmm0
|
|
|
|
movdqa 32(%esi), %xmm3
|
|
palignr $13, 16(%esi), %xmm3
|
|
pcmpeqb 16(%edi), %xmm3
|
|
|
|
L(shr_13_gobble_loop):
|
|
pand %xmm0, %xmm3
|
|
sub $32, %ecx
|
|
pmovmskb %xmm3, %edx
|
|
movdqa %xmm0, %xmm1
|
|
|
|
movdqa 64(%esi), %xmm3
|
|
palignr $13,48(%esi), %xmm3
|
|
sbb $0xffff, %edx
|
|
movdqa 48(%esi), %xmm0
|
|
palignr $13,32(%esi), %xmm0
|
|
pcmpeqb 32(%edi), %xmm0
|
|
lea 32(%esi), %esi
|
|
pcmpeqb 48(%edi), %xmm3
|
|
|
|
lea 32(%edi), %edi
|
|
jz L(shr_13_gobble_loop)
|
|
pand %xmm0, %xmm3
|
|
|
|
cmp $0, %ecx
|
|
jge L(shr_13_gobble_next)
|
|
inc %edx
|
|
add $32, %ecx
|
|
L(shr_13_gobble_next):
|
|
test %edx, %edx
|
|
jnz L(exit)
|
|
|
|
pmovmskb %xmm3, %edx
|
|
movdqa %xmm0, %xmm1
|
|
lea 32(%edi), %edi
|
|
lea 32(%esi), %esi
|
|
sub $0xffff, %edx
|
|
jnz L(exit)
|
|
|
|
lea (%ecx, %edi,1), %eax
|
|
lea 13(%ecx, %esi,1), %edx
|
|
POP (%edi)
|
|
POP (%esi)
|
|
jmp L(less48bytes)
|
|
|
|
cfi_restore_state
|
|
cfi_remember_state
|
|
.p2align 4
|
|
L(shr_14):
|
|
cmp $80, %ecx
|
|
lea -48(%ecx), %ecx
|
|
mov %edx, %eax
|
|
jae L(shr_14_gobble)
|
|
|
|
movdqa 16(%esi), %xmm1
|
|
movdqa %xmm1, %xmm2
|
|
palignr $14, (%esi), %xmm1
|
|
pcmpeqb (%edi), %xmm1
|
|
|
|
movdqa 32(%esi), %xmm3
|
|
palignr $14, %xmm2, %xmm3
|
|
pcmpeqb 16(%edi), %xmm3
|
|
|
|
pand %xmm1, %xmm3
|
|
pmovmskb %xmm3, %edx
|
|
lea 32(%edi), %edi
|
|
lea 32(%esi), %esi
|
|
sub $0xffff, %edx
|
|
jnz L(exit)
|
|
lea (%ecx, %edi,1), %eax
|
|
lea 14(%ecx, %esi,1), %edx
|
|
POP (%edi)
|
|
POP (%esi)
|
|
jmp L(less48bytes)
|
|
|
|
cfi_restore_state
|
|
cfi_remember_state
|
|
.p2align 4
|
|
L(shr_14_gobble):
|
|
sub $32, %ecx
|
|
movdqa 16(%esi), %xmm0
|
|
palignr $14, (%esi), %xmm0
|
|
pcmpeqb (%edi), %xmm0
|
|
|
|
movdqa 32(%esi), %xmm3
|
|
palignr $14, 16(%esi), %xmm3
|
|
pcmpeqb 16(%edi), %xmm3
|
|
|
|
L(shr_14_gobble_loop):
|
|
pand %xmm0, %xmm3
|
|
sub $32, %ecx
|
|
pmovmskb %xmm3, %edx
|
|
movdqa %xmm0, %xmm1
|
|
|
|
movdqa 64(%esi), %xmm3
|
|
palignr $14,48(%esi), %xmm3
|
|
sbb $0xffff, %edx
|
|
movdqa 48(%esi), %xmm0
|
|
palignr $14,32(%esi), %xmm0
|
|
pcmpeqb 32(%edi), %xmm0
|
|
lea 32(%esi), %esi
|
|
pcmpeqb 48(%edi), %xmm3
|
|
|
|
lea 32(%edi), %edi
|
|
jz L(shr_14_gobble_loop)
|
|
pand %xmm0, %xmm3
|
|
|
|
cmp $0, %ecx
|
|
jge L(shr_14_gobble_next)
|
|
inc %edx
|
|
add $32, %ecx
|
|
L(shr_14_gobble_next):
|
|
test %edx, %edx
|
|
jnz L(exit)
|
|
|
|
pmovmskb %xmm3, %edx
|
|
movdqa %xmm0, %xmm1
|
|
lea 32(%edi), %edi
|
|
lea 32(%esi), %esi
|
|
sub $0xffff, %edx
|
|
jnz L(exit)
|
|
|
|
lea (%ecx, %edi,1), %eax
|
|
lea 14(%ecx, %esi,1), %edx
|
|
POP (%edi)
|
|
POP (%esi)
|
|
jmp L(less48bytes)
|
|
|
|
cfi_restore_state
|
|
cfi_remember_state
|
|
.p2align 4
|
|
L(shr_15):
|
|
cmp $80, %ecx
|
|
lea -48(%ecx), %ecx
|
|
mov %edx, %eax
|
|
jae L(shr_15_gobble)
|
|
|
|
movdqa 16(%esi), %xmm1
|
|
movdqa %xmm1, %xmm2
|
|
palignr $15, (%esi), %xmm1
|
|
pcmpeqb (%edi), %xmm1
|
|
|
|
movdqa 32(%esi), %xmm3
|
|
palignr $15, %xmm2, %xmm3
|
|
pcmpeqb 16(%edi), %xmm3
|
|
|
|
pand %xmm1, %xmm3
|
|
pmovmskb %xmm3, %edx
|
|
lea 32(%edi), %edi
|
|
lea 32(%esi), %esi
|
|
sub $0xffff, %edx
|
|
jnz L(exit)
|
|
lea (%ecx, %edi,1), %eax
|
|
lea 15(%ecx, %esi,1), %edx
|
|
POP (%edi)
|
|
POP (%esi)
|
|
jmp L(less48bytes)
|
|
|
|
cfi_restore_state
|
|
cfi_remember_state
|
|
.p2align 4
|
|
L(shr_15_gobble):
|
|
sub $32, %ecx
|
|
movdqa 16(%esi), %xmm0
|
|
palignr $15, (%esi), %xmm0
|
|
pcmpeqb (%edi), %xmm0
|
|
|
|
movdqa 32(%esi), %xmm3
|
|
palignr $15, 16(%esi), %xmm3
|
|
pcmpeqb 16(%edi), %xmm3
|
|
|
|
L(shr_15_gobble_loop):
|
|
pand %xmm0, %xmm3
|
|
sub $32, %ecx
|
|
pmovmskb %xmm3, %edx
|
|
movdqa %xmm0, %xmm1
|
|
|
|
movdqa 64(%esi), %xmm3
|
|
palignr $15,48(%esi), %xmm3
|
|
sbb $0xffff, %edx
|
|
movdqa 48(%esi), %xmm0
|
|
palignr $15,32(%esi), %xmm0
|
|
pcmpeqb 32(%edi), %xmm0
|
|
lea 32(%esi), %esi
|
|
pcmpeqb 48(%edi), %xmm3
|
|
|
|
lea 32(%edi), %edi
|
|
jz L(shr_15_gobble_loop)
|
|
pand %xmm0, %xmm3
|
|
|
|
cmp $0, %ecx
|
|
jge L(shr_15_gobble_next)
|
|
inc %edx
|
|
add $32, %ecx
|
|
L(shr_15_gobble_next):
|
|
test %edx, %edx
|
|
jnz L(exit)
|
|
|
|
pmovmskb %xmm3, %edx
|
|
movdqa %xmm0, %xmm1
|
|
lea 32(%edi), %edi
|
|
lea 32(%esi), %esi
|
|
sub $0xffff, %edx
|
|
jnz L(exit)
|
|
|
|
lea (%ecx, %edi,1), %eax
|
|
lea 15(%ecx, %esi,1), %edx
|
|
POP (%edi)
|
|
POP (%esi)
|
|
jmp L(less48bytes)
|
|
# endif
|
|
|
|
cfi_restore_state
|
|
cfi_remember_state
|
|
.p2align 4
|
|
L(exit):
|
|
pmovmskb %xmm1, %ebx
|
|
sub $0xffff, %ebx
|
|
jz L(first16bytes)
|
|
lea -16(%esi), %esi
|
|
lea -16(%edi), %edi
|
|
mov %ebx, %edx
|
|
|
|
L(first16bytes):
|
|
add %eax, %esi
|
|
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)
|
|
L(Byte23):
|
|
movzbl -9(%edi), %eax
|
|
movzbl -9(%esi), %edx
|
|
sub %edx, %eax
|
|
RETURN
|
|
|
|
.p2align 4
|
|
L(Byte16):
|
|
movzbl -16(%edi), %eax
|
|
movzbl -16(%esi), %edx
|
|
sub %edx, %eax
|
|
RETURN
|
|
|
|
.p2align 4
|
|
L(Byte17):
|
|
movzbl -15(%edi), %eax
|
|
movzbl -15(%esi), %edx
|
|
sub %edx, %eax
|
|
RETURN
|
|
|
|
.p2align 4
|
|
L(Byte18):
|
|
movzbl -14(%edi), %eax
|
|
movzbl -14(%esi), %edx
|
|
sub %edx, %eax
|
|
RETURN
|
|
|
|
.p2align 4
|
|
L(Byte19):
|
|
movzbl -13(%edi), %eax
|
|
movzbl -13(%esi), %edx
|
|
sub %edx, %eax
|
|
RETURN
|
|
|
|
.p2align 4
|
|
L(Byte20):
|
|
movzbl -12(%edi), %eax
|
|
movzbl -12(%esi), %edx
|
|
sub %edx, %eax
|
|
RETURN
|
|
|
|
.p2align 4
|
|
L(Byte21):
|
|
movzbl -11(%edi), %eax
|
|
movzbl -11(%esi), %edx
|
|
sub %edx, %eax
|
|
RETURN
|
|
|
|
.p2align 4
|
|
L(Byte22):
|
|
movzbl -10(%edi), %eax
|
|
movzbl -10(%esi), %edx
|
|
sub %edx, %eax
|
|
RETURN
|
|
|
|
.p2align 4
|
|
L(next_24_bytes):
|
|
lea 8(%edi), %edi
|
|
lea 8(%esi), %esi
|
|
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)
|
|
|
|
.p2align 4
|
|
L(Byte31):
|
|
movzbl -9(%edi), %eax
|
|
movzbl -9(%esi), %edx
|
|
sub %edx, %eax
|
|
RETURN_END
|
|
# 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(%edi), %eax
|
|
cmp -16(%esi), %eax
|
|
jne L(nequal)
|
|
RETURN
|
|
|
|
.p2align 4
|
|
L(second_double_word):
|
|
mov -12(%edi), %eax
|
|
cmp -12(%esi), %eax
|
|
jne L(nequal)
|
|
RETURN
|
|
|
|
.p2align 4
|
|
L(next_two_double_words):
|
|
and $15, %dh
|
|
jz L(fourth_double_word)
|
|
mov -8(%edi), %eax
|
|
cmp -8(%esi), %eax
|
|
jne L(nequal)
|
|
RETURN
|
|
|
|
.p2align 4
|
|
L(fourth_double_word):
|
|
mov -4(%edi), %eax
|
|
cmp -4(%esi), %eax
|
|
jne L(nequal)
|
|
RETURN
|
|
|
|
.p2align 4
|
|
L(nequal):
|
|
mov $1, %eax
|
|
jg L(nequal_bigger)
|
|
neg %eax
|
|
RETURN
|
|
|
|
.p2align 4
|
|
L(nequal_bigger):
|
|
RETURN_END
|
|
# endif
|
|
|
|
CFI_PUSH (%ebx)
|
|
|
|
.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(less48bytes):
|
|
cmp $8, %ecx
|
|
jae L(more8bytes)
|
|
# ifndef USE_AS_WMEMCMP
|
|
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(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):
|
|
mov -44(%eax), %ecx
|
|
mov -44(%edx), %ebx
|
|
cmp %ebx, %ecx
|
|
jne L(find_diff)
|
|
L(40bytes):
|
|
mov -40(%eax), %ecx
|
|
mov -40(%edx), %ebx
|
|
cmp %ebx, %ecx
|
|
jne L(find_diff)
|
|
L(36bytes):
|
|
mov -36(%eax), %ecx
|
|
mov -36(%edx), %ebx
|
|
cmp %ebx, %ecx
|
|
jne L(find_diff)
|
|
L(32bytes):
|
|
mov -32(%eax), %ecx
|
|
mov -32(%edx), %ebx
|
|
cmp %ebx, %ecx
|
|
jne L(find_diff)
|
|
L(28bytes):
|
|
mov -28(%eax), %ecx
|
|
mov -28(%edx), %ebx
|
|
cmp %ebx, %ecx
|
|
jne L(find_diff)
|
|
L(24bytes):
|
|
mov -24(%eax), %ecx
|
|
mov -24(%edx), %ebx
|
|
cmp %ebx, %ecx
|
|
jne L(find_diff)
|
|
L(20bytes):
|
|
mov -20(%eax), %ecx
|
|
mov -20(%edx), %ebx
|
|
cmp %ebx, %ecx
|
|
jne L(find_diff)
|
|
L(16bytes):
|
|
mov -16(%eax), %ecx
|
|
mov -16(%edx), %ebx
|
|
cmp %ebx, %ecx
|
|
jne L(find_diff)
|
|
L(12bytes):
|
|
mov -12(%eax), %ecx
|
|
mov -12(%edx), %ebx
|
|
cmp %ebx, %ecx
|
|
jne L(find_diff)
|
|
L(8bytes):
|
|
mov -8(%eax), %ecx
|
|
mov -8(%edx), %ebx
|
|
cmp %ebx, %ecx
|
|
jne L(find_diff)
|
|
L(4bytes):
|
|
mov -4(%eax), %ecx
|
|
mov -4(%edx), %ebx
|
|
cmp %ebx, %ecx
|
|
mov $0, %eax
|
|
jne L(find_diff)
|
|
POP (%ebx)
|
|
ret
|
|
CFI_PUSH (%ebx)
|
|
# else
|
|
.p2align 4
|
|
L(44bytes):
|
|
mov -44(%eax), %ecx
|
|
cmp -44(%edx), %ecx
|
|
jne L(find_diff)
|
|
L(40bytes):
|
|
mov -40(%eax), %ecx
|
|
cmp -40(%edx), %ecx
|
|
jne L(find_diff)
|
|
L(36bytes):
|
|
mov -36(%eax), %ecx
|
|
cmp -36(%edx), %ecx
|
|
jne L(find_diff)
|
|
L(32bytes):
|
|
mov -32(%eax), %ecx
|
|
cmp -32(%edx), %ecx
|
|
jne L(find_diff)
|
|
L(28bytes):
|
|
mov -28(%eax), %ecx
|
|
cmp -28(%edx), %ecx
|
|
jne L(find_diff)
|
|
L(24bytes):
|
|
mov -24(%eax), %ecx
|
|
cmp -24(%edx), %ecx
|
|
jne L(find_diff)
|
|
L(20bytes):
|
|
mov -20(%eax), %ecx
|
|
cmp -20(%edx), %ecx
|
|
jne L(find_diff)
|
|
L(16bytes):
|
|
mov -16(%eax), %ecx
|
|
cmp -16(%edx), %ecx
|
|
jne L(find_diff)
|
|
L(12bytes):
|
|
mov -12(%eax), %ecx
|
|
cmp -12(%edx), %ecx
|
|
jne L(find_diff)
|
|
L(8bytes):
|
|
mov -8(%eax), %ecx
|
|
cmp -8(%edx), %ecx
|
|
jne L(find_diff)
|
|
L(4bytes):
|
|
mov -4(%eax), %ecx
|
|
xor %eax, %eax
|
|
cmp -4(%edx), %ecx
|
|
jne L(find_diff)
|
|
POP (%ebx)
|
|
ret
|
|
CFI_PUSH (%ebx)
|
|
# endif
|
|
|
|
# ifndef USE_AS_WMEMCMP
|
|
|
|
.p2align 4
|
|
L(45bytes):
|
|
mov -45(%eax), %ecx
|
|
mov -45(%edx), %ebx
|
|
cmp %ebx, %ecx
|
|
jne L(find_diff)
|
|
L(41bytes):
|
|
mov -41(%eax), %ecx
|
|
mov -41(%edx), %ebx
|
|
cmp %ebx, %ecx
|
|
jne L(find_diff)
|
|
L(37bytes):
|
|
mov -37(%eax), %ecx
|
|
mov -37(%edx), %ebx
|
|
cmp %ebx, %ecx
|
|
jne L(find_diff)
|
|
L(33bytes):
|
|
mov -33(%eax), %ecx
|
|
mov -33(%edx), %ebx
|
|
cmp %ebx, %ecx
|
|
jne L(find_diff)
|
|
L(29bytes):
|
|
mov -29(%eax), %ecx
|
|
mov -29(%edx), %ebx
|
|
cmp %ebx, %ecx
|
|
jne L(find_diff)
|
|
L(25bytes):
|
|
mov -25(%eax), %ecx
|
|
mov -25(%edx), %ebx
|
|
cmp %ebx, %ecx
|
|
jne L(find_diff)
|
|
L(21bytes):
|
|
mov -21(%eax), %ecx
|
|
mov -21(%edx), %ebx
|
|
cmp %ebx, %ecx
|
|
jne L(find_diff)
|
|
L(17bytes):
|
|
mov -17(%eax), %ecx
|
|
mov -17(%edx), %ebx
|
|
cmp %ebx, %ecx
|
|
jne L(find_diff)
|
|
L(13bytes):
|
|
mov -13(%eax), %ecx
|
|
mov -13(%edx), %ebx
|
|
cmp %ebx, %ecx
|
|
jne L(find_diff)
|
|
L(9bytes):
|
|
mov -9(%eax), %ecx
|
|
mov -9(%edx), %ebx
|
|
cmp %ebx, %ecx
|
|
jne L(find_diff)
|
|
L(5bytes):
|
|
mov -5(%eax), %ecx
|
|
mov -5(%edx), %ebx
|
|
cmp %ebx, %ecx
|
|
jne L(find_diff)
|
|
movzbl -1(%eax), %ecx
|
|
cmp -1(%edx), %cl
|
|
mov $0, %eax
|
|
jne L(end)
|
|
POP (%ebx)
|
|
ret
|
|
CFI_PUSH (%ebx)
|
|
|
|
.p2align 4
|
|
L(46bytes):
|
|
mov -46(%eax), %ecx
|
|
mov -46(%edx), %ebx
|
|
cmp %ebx, %ecx
|
|
jne L(find_diff)
|
|
L(42bytes):
|
|
mov -42(%eax), %ecx
|
|
mov -42(%edx), %ebx
|
|
cmp %ebx, %ecx
|
|
jne L(find_diff)
|
|
L(38bytes):
|
|
mov -38(%eax), %ecx
|
|
mov -38(%edx), %ebx
|
|
cmp %ebx, %ecx
|
|
jne L(find_diff)
|
|
L(34bytes):
|
|
mov -34(%eax), %ecx
|
|
mov -34(%edx), %ebx
|
|
cmp %ebx, %ecx
|
|
jne L(find_diff)
|
|
L(30bytes):
|
|
mov -30(%eax), %ecx
|
|
mov -30(%edx), %ebx
|
|
cmp %ebx, %ecx
|
|
jne L(find_diff)
|
|
L(26bytes):
|
|
mov -26(%eax), %ecx
|
|
mov -26(%edx), %ebx
|
|
cmp %ebx, %ecx
|
|
jne L(find_diff)
|
|
L(22bytes):
|
|
mov -22(%eax), %ecx
|
|
mov -22(%edx), %ebx
|
|
cmp %ebx, %ecx
|
|
jne L(find_diff)
|
|
L(18bytes):
|
|
mov -18(%eax), %ecx
|
|
mov -18(%edx), %ebx
|
|
cmp %ebx, %ecx
|
|
jne L(find_diff)
|
|
L(14bytes):
|
|
mov -14(%eax), %ecx
|
|
mov -14(%edx), %ebx
|
|
cmp %ebx, %ecx
|
|
jne L(find_diff)
|
|
L(10bytes):
|
|
mov -10(%eax), %ecx
|
|
mov -10(%edx), %ebx
|
|
cmp %ebx, %ecx
|
|
jne L(find_diff)
|
|
L(6bytes):
|
|
mov -6(%eax), %ecx
|
|
mov -6(%edx), %ebx
|
|
cmp %ebx, %ecx
|
|
jne L(find_diff)
|
|
L(2bytes):
|
|
movzwl -2(%eax), %ecx
|
|
movzwl -2(%edx), %ebx
|
|
cmp %bl, %cl
|
|
jne L(end)
|
|
cmp %bh, %ch
|
|
mov $0, %eax
|
|
jne L(end)
|
|
POP (%ebx)
|
|
ret
|
|
CFI_PUSH (%ebx)
|
|
|
|
.p2align 4
|
|
L(47bytes):
|
|
movl -47(%eax), %ecx
|
|
movl -47(%edx), %ebx
|
|
cmp %ebx, %ecx
|
|
jne L(find_diff)
|
|
L(43bytes):
|
|
movl -43(%eax), %ecx
|
|
movl -43(%edx), %ebx
|
|
cmp %ebx, %ecx
|
|
jne L(find_diff)
|
|
L(39bytes):
|
|
movl -39(%eax), %ecx
|
|
movl -39(%edx), %ebx
|
|
cmp %ebx, %ecx
|
|
jne L(find_diff)
|
|
L(35bytes):
|
|
movl -35(%eax), %ecx
|
|
movl -35(%edx), %ebx
|
|
cmp %ebx, %ecx
|
|
jne L(find_diff)
|
|
L(31bytes):
|
|
movl -31(%eax), %ecx
|
|
movl -31(%edx), %ebx
|
|
cmp %ebx, %ecx
|
|
jne L(find_diff)
|
|
L(27bytes):
|
|
movl -27(%eax), %ecx
|
|
movl -27(%edx), %ebx
|
|
cmp %ebx, %ecx
|
|
jne L(find_diff)
|
|
L(23bytes):
|
|
movl -23(%eax), %ecx
|
|
movl -23(%edx), %ebx
|
|
cmp %ebx, %ecx
|
|
jne L(find_diff)
|
|
L(19bytes):
|
|
movl -19(%eax), %ecx
|
|
movl -19(%edx), %ebx
|
|
cmp %ebx, %ecx
|
|
jne L(find_diff)
|
|
L(15bytes):
|
|
movl -15(%eax), %ecx
|
|
movl -15(%edx), %ebx
|
|
cmp %ebx, %ecx
|
|
jne L(find_diff)
|
|
L(11bytes):
|
|
movl -11(%eax), %ecx
|
|
movl -11(%edx), %ebx
|
|
cmp %ebx, %ecx
|
|
jne L(find_diff)
|
|
L(7bytes):
|
|
movl -7(%eax), %ecx
|
|
movl -7(%edx), %ebx
|
|
cmp %ebx, %ecx
|
|
jne L(find_diff)
|
|
L(3bytes):
|
|
movzwl -3(%eax), %ecx
|
|
movzwl -3(%edx), %ebx
|
|
cmpb %bl, %cl
|
|
jne L(end)
|
|
cmp %bx, %cx
|
|
jne L(end)
|
|
movzbl -1(%eax), %eax
|
|
cmpb -1(%edx), %al
|
|
mov $0, %eax
|
|
jne L(end)
|
|
POP (%ebx)
|
|
ret
|
|
CFI_PUSH (%ebx)
|
|
|
|
.p2align 4
|
|
L(find_diff):
|
|
cmpb %bl, %cl
|
|
jne L(end)
|
|
cmp %bx, %cx
|
|
jne L(end)
|
|
shr $16,%ecx
|
|
shr $16,%ebx
|
|
cmp %bl, %cl
|
|
jne L(end)
|
|
cmp %bx, %cx
|
|
|
|
.p2align 4
|
|
L(end):
|
|
POP (%ebx)
|
|
mov $1, %eax
|
|
ja L(bigger)
|
|
neg %eax
|
|
L(bigger):
|
|
ret
|
|
# else
|
|
|
|
/* for wmemcmp */
|
|
.p2align 4
|
|
L(find_diff):
|
|
POP (%ebx)
|
|
mov $1, %eax
|
|
jg L(find_diff_bigger)
|
|
neg %eax
|
|
ret
|
|
|
|
.p2align 4
|
|
L(find_diff_bigger):
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|
ret
|
|
|
|
# endif
|
|
END (MEMCMP)
|
|
#endif
|