/* memcmp with SSSE3, wmemcmp with SSSE3
Copyright (C) 2010-2014 Free Software Foundation, Inc.
Contributed by Intel Corporation.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
. */
#if IS_IN (libc)
# include
# ifndef MEMCMP
# define MEMCMP __memcmp_ssse3
# endif
# define CFI_PUSH(REG) \
cfi_adjust_cfa_offset (4); \
cfi_rel_offset (REG, 0)
# define CFI_POP(REG) \
cfi_adjust_cfa_offset (-4); \
cfi_restore (REG)
# define PUSH(REG) pushl REG; CFI_PUSH (REG)
# define POP(REG) popl REG; CFI_POP (REG)
# define PARMS 4
# define BLK1 PARMS
# define BLK2 BLK1+4
# define LEN BLK2+4
# define RETURN_END POP (%edi); POP (%esi); POP (%ebx); ret
# define RETURN RETURN_END; cfi_restore_state; cfi_remember_state
/* Warning!
wmemcmp has to use SIGNED comparison for elements.
memcmp has to use UNSIGNED comparison for elemnts.
*/
atom_text_section
ENTRY (MEMCMP)
movl LEN(%esp), %ecx
# ifdef USE_AS_WMEMCMP
shl $2, %ecx
test %ecx, %ecx
jz L(zero)
# endif
movl BLK1(%esp), %eax
cmp $48, %ecx
movl BLK2(%esp), %edx
jae L(48bytesormore)
# ifndef USE_AS_WMEMCMP
cmp $1, %ecx
jbe L(less1bytes)
# endif
PUSH (%ebx)
add %ecx, %edx
add %ecx, %eax
jmp L(less48bytes)
CFI_POP (%ebx)
# ifndef USE_AS_WMEMCMP
.p2align 4
L(less1bytes):
jb L(zero)
movb (%eax), %cl
cmp (%edx), %cl
je L(zero)
mov $1, %eax
ja L(1bytesend)
neg %eax
L(1bytesend):
ret
# endif
.p2align 4
L(zero):
xor %eax, %eax
ret
.p2align 4
L(48bytesormore):
PUSH (%ebx)
PUSH (%esi)
PUSH (%edi)
cfi_remember_state
movdqu (%eax), %xmm3
movdqu (%edx), %xmm0
movl %eax, %edi
movl %edx, %esi
pcmpeqb %xmm0, %xmm3
pmovmskb %xmm3, %edx
lea 16(%edi), %edi
sub $0xffff, %edx
lea 16(%esi), %esi
jnz L(less16bytes)
mov %edi, %edx
and $0xf, %edx
xor %edx, %edi
sub %edx, %esi
add %edx, %ecx
mov %esi, %edx
and $0xf, %edx
jz L(shr_0)
xor %edx, %esi
# 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, %ecx
jae L(shr_0_gobble)
lea -48(%ecx), %ecx
xor %eax, %eax
movaps (%esi), %xmm1
pcmpeqb (%edi), %xmm1
movaps 16(%esi), %xmm2
pcmpeqb 16(%edi), %xmm2
pand %xmm1, %xmm2
pmovmskb %xmm2, %edx
add $32, %edi
add $32, %esi
sub $0xffff, %edx
jnz L(exit)
lea (%ecx, %edi,1), %eax
lea (%ecx, %esi,1), %edx
POP (%edi)
POP (%esi)
jmp L(less48bytes)
cfi_restore_state
cfi_remember_state
.p2align 4
L(shr_0_gobble):
lea -48(%ecx), %ecx
movdqa (%esi), %xmm0
xor %eax, %eax
pcmpeqb (%edi), %xmm0
sub $32, %ecx
movdqa 16(%esi), %xmm2
pcmpeqb 16(%edi), %xmm2
L(shr_0_gobble_loop):
pand %xmm0, %xmm2
sub $32, %ecx
pmovmskb %xmm2, %edx
movdqa %xmm0, %xmm1
movdqa 32(%esi), %xmm0
movdqa 48(%esi), %xmm2
sbb $0xffff, %edx
pcmpeqb 32(%edi), %xmm0
pcmpeqb 48(%edi), %xmm2
lea 32(%edi), %edi
lea 32(%esi), %esi
jz L(shr_0_gobble_loop)
pand %xmm0, %xmm2
cmp $0, %ecx
jge L(shr_0_gobble_loop_next)
inc %edx
add $32, %ecx
L(shr_0_gobble_loop_next):
test %edx, %edx
jnz L(exit)
pmovmskb %xmm2, %edx
movdqa %xmm0, %xmm1
lea 32(%edi), %edi
lea 32(%esi), %esi
sub $0xffff, %edx
jnz L(exit)
lea (%ecx, %edi,1), %eax
lea (%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_1):
cmp $80, %ecx
lea -48(%ecx), %ecx
mov %edx, %eax
jae L(shr_1_gobble)
movdqa 16(%esi), %xmm1
movdqa %xmm1, %xmm2
palignr $1,(%esi), %xmm1
pcmpeqb (%edi), %xmm1
movdqa 32(%esi), %xmm3
palignr $1,%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 1(%ecx, %esi,1), %edx
POP (%edi)
POP (%esi)
jmp L(less48bytes)
cfi_restore_state
cfi_remember_state
.p2align 4
L(shr_1_gobble):
sub $32, %ecx
movdqa 16(%esi), %xmm0
palignr $1,(%esi), %xmm0
pcmpeqb (%edi), %xmm0
movdqa 32(%esi), %xmm3
palignr $1,16(%esi), %xmm3
pcmpeqb 16(%edi), %xmm3
L(shr_1_gobble_loop):
pand %xmm0, %xmm3
sub $32, %ecx
pmovmskb %xmm3, %edx
movdqa %xmm0, %xmm1
movdqa 64(%esi), %xmm3
palignr $1,48(%esi), %xmm3
sbb $0xffff, %edx
movdqa 48(%esi), %xmm0
palignr $1,32(%esi), %xmm0
pcmpeqb 32(%edi), %xmm0
lea 32(%esi), %esi
pcmpeqb 48(%edi), %xmm3
lea 32(%edi), %edi
jz L(shr_1_gobble_loop)
pand %xmm0, %xmm3
cmp $0, %ecx
jge L(shr_1_gobble_next)
inc %edx
add $32, %ecx
L(shr_1_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 1(%ecx, %esi,1), %edx
POP (%edi)
POP (%esi)
jmp L(less48bytes)
cfi_restore_state
cfi_remember_state
.p2align 4
L(shr_2):
cmp $80, %ecx
lea -48(%ecx), %ecx
mov %edx, %eax
jae L(shr_2_gobble)
movdqa 16(%esi), %xmm1
movdqa %xmm1, %xmm2
palignr $2,(%esi), %xmm1
pcmpeqb (%edi), %xmm1
movdqa 32(%esi), %xmm3
palignr $2,%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 2(%ecx, %esi,1), %edx
POP (%edi)
POP (%esi)
jmp L(less48bytes)
cfi_restore_state
cfi_remember_state
.p2align 4
L(shr_2_gobble):
sub $32, %ecx
movdqa 16(%esi), %xmm0
palignr $2,(%esi), %xmm0
pcmpeqb (%edi), %xmm0
movdqa 32(%esi), %xmm3
palignr $2,16(%esi), %xmm3
pcmpeqb 16(%edi), %xmm3
L(shr_2_gobble_loop):
pand %xmm0, %xmm3
sub $32, %ecx
pmovmskb %xmm3, %edx
movdqa %xmm0, %xmm1
movdqa 64(%esi), %xmm3
palignr $2,48(%esi), %xmm3
sbb $0xffff, %edx
movdqa 48(%esi), %xmm0
palignr $2,32(%esi), %xmm0
pcmpeqb 32(%edi), %xmm0
lea 32(%esi), %esi
pcmpeqb 48(%edi), %xmm3
lea 32(%edi), %edi
jz L(shr_2_gobble_loop)
pand %xmm0, %xmm3
cmp $0, %ecx
jge L(shr_2_gobble_next)
inc %edx
add $32, %ecx
L(shr_2_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 2(%ecx, %esi,1), %edx
POP (%edi)
POP (%esi)
jmp L(less48bytes)
cfi_restore_state
cfi_remember_state
.p2align 4
L(shr_3):
cmp $80, %ecx
lea -48(%ecx), %ecx
mov %edx, %eax
jae L(shr_3_gobble)
movdqa 16(%esi), %xmm1
movdqa %xmm1, %xmm2
palignr $3,(%esi), %xmm1
pcmpeqb (%edi), %xmm1
movdqa 32(%esi), %xmm3
palignr $3,%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 3(%ecx, %esi,1), %edx
POP (%edi)
POP (%esi)
jmp L(less48bytes)
cfi_restore_state
cfi_remember_state
.p2align 4
L(shr_3_gobble):
sub $32, %ecx
movdqa 16(%esi), %xmm0
palignr $3,(%esi), %xmm0
pcmpeqb (%edi), %xmm0
movdqa 32(%esi), %xmm3
palignr $3,16(%esi), %xmm3
pcmpeqb 16(%edi), %xmm3
L(shr_3_gobble_loop):
pand %xmm0, %xmm3
sub $32, %ecx
pmovmskb %xmm3, %edx
movdqa %xmm0, %xmm1
movdqa 64(%esi), %xmm3
palignr $3,48(%esi), %xmm3
sbb $0xffff, %edx
movdqa 48(%esi), %xmm0
palignr $3,32(%esi), %xmm0
pcmpeqb 32(%edi), %xmm0
lea 32(%esi), %esi
pcmpeqb 48(%edi), %xmm3
lea 32(%edi), %edi
jz L(shr_3_gobble_loop)
pand %xmm0, %xmm3
cmp $0, %ecx
jge L(shr_3_gobble_next)
inc %edx
add $32, %ecx
L(shr_3_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 3(%ecx, %esi,1), %edx
POP (%edi)
POP (%esi)
jmp L(less48bytes)
# endif
cfi_restore_state
cfi_remember_state
.p2align 4
L(shr_4):
cmp $80, %ecx
lea -48(%ecx), %ecx
mov %edx, %eax
jae L(shr_4_gobble)
movdqa 16(%esi), %xmm1
movdqa %xmm1, %xmm2
palignr $4,(%esi), %xmm1
pcmpeqb (%edi), %xmm1
movdqa 32(%esi), %xmm3
palignr $4,%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 4(%ecx, %esi,1), %edx
POP (%edi)
POP (%esi)
jmp L(less48bytes)
cfi_restore_state
cfi_remember_state
.p2align 4
L(shr_4_gobble):
sub $32, %ecx
movdqa 16(%esi), %xmm0
palignr $4,(%esi), %xmm0
pcmpeqb (%edi), %xmm0
movdqa 32(%esi), %xmm3
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):
ret
# endif
END (MEMCMP)
#endif