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https://sourceware.org/git/glibc.git
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1781 lines
35 KiB
ArmAsm
1781 lines
35 KiB
ArmAsm
/* memcmp with SSE4.1, wmemcmp with SSE4.1
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Copyright (C) 2010, 2011 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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#ifndef NOT_IN_libc
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# include <sysdep.h>
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# ifndef MEMCMP
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# define MEMCMP __memcmp_sse4_1
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# endif
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# ifndef ALIGN
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# define ALIGN(n) .p2align n
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# endif
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# define JMPTBL(I, B) (I - B)
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# define BRANCH_TO_JMPTBL_ENTRY(TABLE, INDEX, SCALE) \
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lea TABLE(%rip), %r11; \
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movslq (%r11, INDEX, SCALE), %rcx; \
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add %r11, %rcx; \
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jmp *%rcx; \
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ud2
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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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.section .text.sse4.1,"ax",@progbits
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ENTRY (MEMCMP)
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# ifdef USE_AS_WMEMCMP
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shl $2, %rdx
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# endif
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pxor %xmm0, %xmm0
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cmp $79, %rdx
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ja L(79bytesormore)
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# ifndef USE_AS_WMEMCMP
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cmp $1, %rdx
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je L(firstbyte)
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# endif
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add %rdx, %rsi
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add %rdx, %rdi
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BRANCH_TO_JMPTBL_ENTRY(L(table_64bytes), %rdx, 4)
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# ifndef USE_AS_WMEMCMP
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ALIGN (4)
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L(firstbyte):
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movzbl (%rdi), %eax
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movzbl (%rsi), %ecx
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sub %ecx, %eax
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ret
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# endif
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ALIGN (4)
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L(79bytesormore):
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movdqu (%rsi), %xmm1
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movdqu (%rdi), %xmm2
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pxor %xmm1, %xmm2
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ptest %xmm2, %xmm0
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jnc L(16bytesin256)
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mov %rsi, %rcx
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and $-16, %rsi
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add $16, %rsi
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sub %rsi, %rcx
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sub %rcx, %rdi
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add %rcx, %rdx
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test $0xf, %rdi
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jz L(2aligned)
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cmp $128, %rdx
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ja L(128bytesormore)
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L(less128bytes):
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sub $64, %rdx
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movdqu (%rdi), %xmm2
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pxor (%rsi), %xmm2
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ptest %xmm2, %xmm0
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jnc L(16bytesin256)
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movdqu 16(%rdi), %xmm2
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pxor 16(%rsi), %xmm2
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ptest %xmm2, %xmm0
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jnc L(32bytesin256)
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movdqu 32(%rdi), %xmm2
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pxor 32(%rsi), %xmm2
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ptest %xmm2, %xmm0
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jnc L(48bytesin256)
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movdqu 48(%rdi), %xmm2
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pxor 48(%rsi), %xmm2
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ptest %xmm2, %xmm0
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jnc L(64bytesin256)
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cmp $32, %rdx
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jb L(less32bytesin64)
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movdqu 64(%rdi), %xmm2
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pxor 64(%rsi), %xmm2
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ptest %xmm2, %xmm0
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jnc L(80bytesin256)
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movdqu 80(%rdi), %xmm2
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pxor 80(%rsi), %xmm2
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ptest %xmm2, %xmm0
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jnc L(96bytesin256)
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sub $32, %rdx
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add $32, %rdi
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add $32, %rsi
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L(less32bytesin64):
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add $64, %rdi
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add $64, %rsi
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add %rdx, %rsi
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add %rdx, %rdi
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BRANCH_TO_JMPTBL_ENTRY(L(table_64bytes), %rdx, 4)
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L(128bytesormore):
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cmp $512, %rdx
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ja L(512bytesormore)
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cmp $256, %rdx
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ja L(less512bytes)
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L(less256bytes):
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sub $128, %rdx
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movdqu (%rdi), %xmm2
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pxor (%rsi), %xmm2
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ptest %xmm2, %xmm0
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jnc L(16bytesin256)
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movdqu 16(%rdi), %xmm2
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pxor 16(%rsi), %xmm2
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ptest %xmm2, %xmm0
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jnc L(32bytesin256)
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movdqu 32(%rdi), %xmm2
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pxor 32(%rsi), %xmm2
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ptest %xmm2, %xmm0
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jnc L(48bytesin256)
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movdqu 48(%rdi), %xmm2
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pxor 48(%rsi), %xmm2
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ptest %xmm2, %xmm0
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jnc L(64bytesin256)
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movdqu 64(%rdi), %xmm2
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pxor 64(%rsi), %xmm2
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ptest %xmm2, %xmm0
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jnc L(80bytesin256)
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movdqu 80(%rdi), %xmm2
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pxor 80(%rsi), %xmm2
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ptest %xmm2, %xmm0
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jnc L(96bytesin256)
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movdqu 96(%rdi), %xmm2
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pxor 96(%rsi), %xmm2
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ptest %xmm2, %xmm0
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jnc L(112bytesin256)
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movdqu 112(%rdi), %xmm2
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pxor 112(%rsi), %xmm2
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ptest %xmm2, %xmm0
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jnc L(128bytesin256)
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add $128, %rsi
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add $128, %rdi
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cmp $64, %rdx
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jae L(less128bytes)
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cmp $32, %rdx
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jb L(less32bytesin128)
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movdqu (%rdi), %xmm2
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pxor (%rsi), %xmm2
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ptest %xmm2, %xmm0
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jnc L(16bytesin256)
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movdqu 16(%rdi), %xmm2
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pxor 16(%rsi), %xmm2
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ptest %xmm2, %xmm0
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jnc L(32bytesin256)
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sub $32, %rdx
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add $32, %rdi
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add $32, %rsi
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L(less32bytesin128):
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add %rdx, %rsi
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add %rdx, %rdi
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BRANCH_TO_JMPTBL_ENTRY(L(table_64bytes), %rdx, 4)
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L(less512bytes):
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sub $256, %rdx
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movdqu (%rdi), %xmm2
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pxor (%rsi), %xmm2
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ptest %xmm2, %xmm0
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jnc L(16bytesin256)
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movdqu 16(%rdi), %xmm2
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pxor 16(%rsi), %xmm2
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ptest %xmm2, %xmm0
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jnc L(32bytesin256)
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movdqu 32(%rdi), %xmm2
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pxor 32(%rsi), %xmm2
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ptest %xmm2, %xmm0
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jnc L(48bytesin256)
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movdqu 48(%rdi), %xmm2
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pxor 48(%rsi), %xmm2
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ptest %xmm2, %xmm0
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jnc L(64bytesin256)
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movdqu 64(%rdi), %xmm2
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pxor 64(%rsi), %xmm2
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ptest %xmm2, %xmm0
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jnc L(80bytesin256)
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movdqu 80(%rdi), %xmm2
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pxor 80(%rsi), %xmm2
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ptest %xmm2, %xmm0
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jnc L(96bytesin256)
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movdqu 96(%rdi), %xmm2
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pxor 96(%rsi), %xmm2
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ptest %xmm2, %xmm0
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jnc L(112bytesin256)
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movdqu 112(%rdi), %xmm2
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pxor 112(%rsi), %xmm2
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ptest %xmm2, %xmm0
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jnc L(128bytesin256)
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movdqu 128(%rdi), %xmm2
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pxor 128(%rsi), %xmm2
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ptest %xmm2, %xmm0
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jnc L(144bytesin256)
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movdqu 144(%rdi), %xmm2
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pxor 144(%rsi), %xmm2
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ptest %xmm2, %xmm0
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jnc L(160bytesin256)
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movdqu 160(%rdi), %xmm2
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pxor 160(%rsi), %xmm2
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ptest %xmm2, %xmm0
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jnc L(176bytesin256)
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movdqu 176(%rdi), %xmm2
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pxor 176(%rsi), %xmm2
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ptest %xmm2, %xmm0
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jnc L(192bytesin256)
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movdqu 192(%rdi), %xmm2
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pxor 192(%rsi), %xmm2
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ptest %xmm2, %xmm0
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jnc L(208bytesin256)
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movdqu 208(%rdi), %xmm2
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pxor 208(%rsi), %xmm2
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ptest %xmm2, %xmm0
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jnc L(224bytesin256)
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movdqu 224(%rdi), %xmm2
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pxor 224(%rsi), %xmm2
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ptest %xmm2, %xmm0
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jnc L(240bytesin256)
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movdqu 240(%rdi), %xmm2
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pxor 240(%rsi), %xmm2
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ptest %xmm2, %xmm0
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jnc L(256bytesin256)
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add $256, %rsi
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add $256, %rdi
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cmp $128, %rdx
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jae L(less256bytes)
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cmp $64, %rdx
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jae L(less128bytes)
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cmp $32, %rdx
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jb L(less32bytesin256)
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movdqu (%rdi), %xmm2
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pxor (%rsi), %xmm2
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ptest %xmm2, %xmm0
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jnc L(16bytesin256)
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movdqu 16(%rdi), %xmm2
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pxor 16(%rsi), %xmm2
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ptest %xmm2, %xmm0
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jnc L(32bytesin256)
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sub $32, %rdx
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add $32, %rdi
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add $32, %rsi
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L(less32bytesin256):
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add %rdx, %rsi
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add %rdx, %rdi
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BRANCH_TO_JMPTBL_ENTRY(L(table_64bytes), %rdx, 4)
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ALIGN (4)
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L(512bytesormore):
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# ifdef DATA_CACHE_SIZE_HALF
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mov $DATA_CACHE_SIZE_HALF, %r8
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# else
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mov __x86_64_data_cache_size_half(%rip), %r8
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# endif
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mov %r8, %r9
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shr $1, %r8
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add %r9, %r8
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cmp %r8, %rdx
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ja L(L2_L3_cache_unaglined)
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sub $64, %rdx
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ALIGN (4)
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L(64bytesormore_loop):
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movdqu (%rdi), %xmm2
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pxor (%rsi), %xmm2
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movdqa %xmm2, %xmm1
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movdqu 16(%rdi), %xmm3
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pxor 16(%rsi), %xmm3
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por %xmm3, %xmm1
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movdqu 32(%rdi), %xmm4
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pxor 32(%rsi), %xmm4
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por %xmm4, %xmm1
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movdqu 48(%rdi), %xmm5
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pxor 48(%rsi), %xmm5
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por %xmm5, %xmm1
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ptest %xmm1, %xmm0
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jnc L(64bytesormore_loop_end)
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add $64, %rsi
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add $64, %rdi
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sub $64, %rdx
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jae L(64bytesormore_loop)
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add $64, %rdx
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add %rdx, %rsi
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add %rdx, %rdi
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BRANCH_TO_JMPTBL_ENTRY(L(table_64bytes), %rdx, 4)
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L(L2_L3_cache_unaglined):
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sub $64, %rdx
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ALIGN (4)
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L(L2_L3_unaligned_128bytes_loop):
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prefetchnta 0x1c0(%rdi)
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prefetchnta 0x1c0(%rsi)
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movdqu (%rdi), %xmm2
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pxor (%rsi), %xmm2
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movdqa %xmm2, %xmm1
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movdqu 16(%rdi), %xmm3
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pxor 16(%rsi), %xmm3
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por %xmm3, %xmm1
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movdqu 32(%rdi), %xmm4
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pxor 32(%rsi), %xmm4
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por %xmm4, %xmm1
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movdqu 48(%rdi), %xmm5
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pxor 48(%rsi), %xmm5
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por %xmm5, %xmm1
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ptest %xmm1, %xmm0
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jnc L(64bytesormore_loop_end)
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add $64, %rsi
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add $64, %rdi
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sub $64, %rdx
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jae L(L2_L3_unaligned_128bytes_loop)
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add $64, %rdx
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add %rdx, %rsi
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add %rdx, %rdi
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BRANCH_TO_JMPTBL_ENTRY(L(table_64bytes), %rdx, 4)
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/*
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* This case is for machines which are sensitive for unaligned instructions.
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*/
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ALIGN (4)
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L(2aligned):
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cmp $128, %rdx
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ja L(128bytesormorein2aligned)
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L(less128bytesin2aligned):
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sub $64, %rdx
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movdqa (%rdi), %xmm2
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pxor (%rsi), %xmm2
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ptest %xmm2, %xmm0
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jnc L(16bytesin256)
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movdqa 16(%rdi), %xmm2
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pxor 16(%rsi), %xmm2
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ptest %xmm2, %xmm0
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jnc L(32bytesin256)
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movdqa 32(%rdi), %xmm2
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pxor 32(%rsi), %xmm2
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ptest %xmm2, %xmm0
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jnc L(48bytesin256)
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movdqa 48(%rdi), %xmm2
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pxor 48(%rsi), %xmm2
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ptest %xmm2, %xmm0
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jnc L(64bytesin256)
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cmp $32, %rdx
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jb L(less32bytesin64in2alinged)
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movdqa 64(%rdi), %xmm2
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pxor 64(%rsi), %xmm2
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ptest %xmm2, %xmm0
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jnc L(80bytesin256)
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movdqa 80(%rdi), %xmm2
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pxor 80(%rsi), %xmm2
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ptest %xmm2, %xmm0
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jnc L(96bytesin256)
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sub $32, %rdx
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add $32, %rdi
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add $32, %rsi
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L(less32bytesin64in2alinged):
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add $64, %rdi
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add $64, %rsi
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add %rdx, %rsi
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add %rdx, %rdi
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BRANCH_TO_JMPTBL_ENTRY(L(table_64bytes), %rdx, 4)
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ALIGN (4)
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L(128bytesormorein2aligned):
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cmp $512, %rdx
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ja L(512bytesormorein2aligned)
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cmp $256, %rdx
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ja L(256bytesormorein2aligned)
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L(less256bytesin2alinged):
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sub $128, %rdx
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movdqa (%rdi), %xmm2
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pxor (%rsi), %xmm2
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ptest %xmm2, %xmm0
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jnc L(16bytesin256)
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movdqa 16(%rdi), %xmm2
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pxor 16(%rsi), %xmm2
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ptest %xmm2, %xmm0
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jnc L(32bytesin256)
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movdqa 32(%rdi), %xmm2
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pxor 32(%rsi), %xmm2
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ptest %xmm2, %xmm0
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jnc L(48bytesin256)
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movdqa 48(%rdi), %xmm2
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pxor 48(%rsi), %xmm2
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ptest %xmm2, %xmm0
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jnc L(64bytesin256)
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movdqa 64(%rdi), %xmm2
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pxor 64(%rsi), %xmm2
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ptest %xmm2, %xmm0
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jnc L(80bytesin256)
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movdqa 80(%rdi), %xmm2
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pxor 80(%rsi), %xmm2
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ptest %xmm2, %xmm0
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jnc L(96bytesin256)
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movdqa 96(%rdi), %xmm2
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pxor 96(%rsi), %xmm2
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ptest %xmm2, %xmm0
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jnc L(112bytesin256)
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movdqa 112(%rdi), %xmm2
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pxor 112(%rsi), %xmm2
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ptest %xmm2, %xmm0
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jnc L(128bytesin256)
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add $128, %rsi
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add $128, %rdi
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cmp $64, %rdx
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jae L(less128bytesin2aligned)
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cmp $32, %rdx
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jb L(less32bytesin128in2aligned)
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movdqu (%rdi), %xmm2
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pxor (%rsi), %xmm2
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ptest %xmm2, %xmm0
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jnc L(16bytesin256)
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movdqu 16(%rdi), %xmm2
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pxor 16(%rsi), %xmm2
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ptest %xmm2, %xmm0
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jnc L(32bytesin256)
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sub $32, %rdx
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add $32, %rdi
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add $32, %rsi
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L(less32bytesin128in2aligned):
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add %rdx, %rsi
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add %rdx, %rdi
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BRANCH_TO_JMPTBL_ENTRY(L(table_64bytes), %rdx, 4)
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ALIGN (4)
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L(256bytesormorein2aligned):
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sub $256, %rdx
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movdqa (%rdi), %xmm2
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pxor (%rsi), %xmm2
|
|
ptest %xmm2, %xmm0
|
|
jnc L(16bytesin256)
|
|
|
|
movdqa 16(%rdi), %xmm2
|
|
pxor 16(%rsi), %xmm2
|
|
ptest %xmm2, %xmm0
|
|
jnc L(32bytesin256)
|
|
|
|
movdqa 32(%rdi), %xmm2
|
|
pxor 32(%rsi), %xmm2
|
|
ptest %xmm2, %xmm0
|
|
jnc L(48bytesin256)
|
|
|
|
movdqa 48(%rdi), %xmm2
|
|
pxor 48(%rsi), %xmm2
|
|
ptest %xmm2, %xmm0
|
|
jnc L(64bytesin256)
|
|
|
|
movdqa 64(%rdi), %xmm2
|
|
pxor 64(%rsi), %xmm2
|
|
ptest %xmm2, %xmm0
|
|
jnc L(80bytesin256)
|
|
|
|
movdqa 80(%rdi), %xmm2
|
|
pxor 80(%rsi), %xmm2
|
|
ptest %xmm2, %xmm0
|
|
jnc L(96bytesin256)
|
|
|
|
movdqa 96(%rdi), %xmm2
|
|
pxor 96(%rsi), %xmm2
|
|
ptest %xmm2, %xmm0
|
|
jnc L(112bytesin256)
|
|
|
|
movdqa 112(%rdi), %xmm2
|
|
pxor 112(%rsi), %xmm2
|
|
ptest %xmm2, %xmm0
|
|
jnc L(128bytesin256)
|
|
|
|
movdqa 128(%rdi), %xmm2
|
|
pxor 128(%rsi), %xmm2
|
|
ptest %xmm2, %xmm0
|
|
jnc L(144bytesin256)
|
|
|
|
movdqa 144(%rdi), %xmm2
|
|
pxor 144(%rsi), %xmm2
|
|
ptest %xmm2, %xmm0
|
|
jnc L(160bytesin256)
|
|
|
|
movdqa 160(%rdi), %xmm2
|
|
pxor 160(%rsi), %xmm2
|
|
ptest %xmm2, %xmm0
|
|
jnc L(176bytesin256)
|
|
|
|
movdqa 176(%rdi), %xmm2
|
|
pxor 176(%rsi), %xmm2
|
|
ptest %xmm2, %xmm0
|
|
jnc L(192bytesin256)
|
|
|
|
movdqa 192(%rdi), %xmm2
|
|
pxor 192(%rsi), %xmm2
|
|
ptest %xmm2, %xmm0
|
|
jnc L(208bytesin256)
|
|
|
|
movdqa 208(%rdi), %xmm2
|
|
pxor 208(%rsi), %xmm2
|
|
ptest %xmm2, %xmm0
|
|
jnc L(224bytesin256)
|
|
|
|
movdqa 224(%rdi), %xmm2
|
|
pxor 224(%rsi), %xmm2
|
|
ptest %xmm2, %xmm0
|
|
jnc L(240bytesin256)
|
|
|
|
movdqa 240(%rdi), %xmm2
|
|
pxor 240(%rsi), %xmm2
|
|
ptest %xmm2, %xmm0
|
|
jnc L(256bytesin256)
|
|
|
|
add $256, %rsi
|
|
add $256, %rdi
|
|
|
|
cmp $128, %rdx
|
|
jae L(less256bytesin2alinged)
|
|
|
|
cmp $64, %rdx
|
|
jae L(less128bytesin2aligned)
|
|
|
|
cmp $32, %rdx
|
|
jb L(less32bytesin256in2alinged)
|
|
|
|
movdqa (%rdi), %xmm2
|
|
pxor (%rsi), %xmm2
|
|
ptest %xmm2, %xmm0
|
|
jnc L(16bytesin256)
|
|
|
|
movdqa 16(%rdi), %xmm2
|
|
pxor 16(%rsi), %xmm2
|
|
ptest %xmm2, %xmm0
|
|
jnc L(32bytesin256)
|
|
sub $32, %rdx
|
|
add $32, %rdi
|
|
add $32, %rsi
|
|
L(less32bytesin256in2alinged):
|
|
add %rdx, %rsi
|
|
add %rdx, %rdi
|
|
BRANCH_TO_JMPTBL_ENTRY(L(table_64bytes), %rdx, 4)
|
|
|
|
ALIGN (4)
|
|
L(512bytesormorein2aligned):
|
|
# ifdef DATA_CACHE_SIZE_HALF
|
|
mov $DATA_CACHE_SIZE_HALF, %r8
|
|
# else
|
|
mov __x86_64_data_cache_size_half(%rip), %r8
|
|
# endif
|
|
mov %r8, %r9
|
|
shr $1, %r8
|
|
add %r9, %r8
|
|
cmp %r8, %rdx
|
|
ja L(L2_L3_cache_aglined)
|
|
|
|
sub $64, %rdx
|
|
ALIGN (4)
|
|
L(64bytesormore_loopin2aligned):
|
|
movdqa (%rdi), %xmm2
|
|
pxor (%rsi), %xmm2
|
|
movdqa %xmm2, %xmm1
|
|
|
|
movdqa 16(%rdi), %xmm3
|
|
pxor 16(%rsi), %xmm3
|
|
por %xmm3, %xmm1
|
|
|
|
movdqa 32(%rdi), %xmm4
|
|
pxor 32(%rsi), %xmm4
|
|
por %xmm4, %xmm1
|
|
|
|
movdqa 48(%rdi), %xmm5
|
|
pxor 48(%rsi), %xmm5
|
|
por %xmm5, %xmm1
|
|
|
|
ptest %xmm1, %xmm0
|
|
jnc L(64bytesormore_loop_end)
|
|
add $64, %rsi
|
|
add $64, %rdi
|
|
sub $64, %rdx
|
|
jae L(64bytesormore_loopin2aligned)
|
|
|
|
add $64, %rdx
|
|
add %rdx, %rsi
|
|
add %rdx, %rdi
|
|
BRANCH_TO_JMPTBL_ENTRY(L(table_64bytes), %rdx, 4)
|
|
L(L2_L3_cache_aglined):
|
|
sub $64, %rdx
|
|
|
|
ALIGN (4)
|
|
L(L2_L3_aligned_128bytes_loop):
|
|
prefetchnta 0x1c0(%rdi)
|
|
prefetchnta 0x1c0(%rsi)
|
|
movdqa (%rdi), %xmm2
|
|
pxor (%rsi), %xmm2
|
|
movdqa %xmm2, %xmm1
|
|
|
|
movdqa 16(%rdi), %xmm3
|
|
pxor 16(%rsi), %xmm3
|
|
por %xmm3, %xmm1
|
|
|
|
movdqa 32(%rdi), %xmm4
|
|
pxor 32(%rsi), %xmm4
|
|
por %xmm4, %xmm1
|
|
|
|
movdqa 48(%rdi), %xmm5
|
|
pxor 48(%rsi), %xmm5
|
|
por %xmm5, %xmm1
|
|
|
|
ptest %xmm1, %xmm0
|
|
jnc L(64bytesormore_loop_end)
|
|
add $64, %rsi
|
|
add $64, %rdi
|
|
sub $64, %rdx
|
|
jae L(L2_L3_aligned_128bytes_loop)
|
|
|
|
add $64, %rdx
|
|
add %rdx, %rsi
|
|
add %rdx, %rdi
|
|
BRANCH_TO_JMPTBL_ENTRY(L(table_64bytes), %rdx, 4)
|
|
|
|
|
|
ALIGN (4)
|
|
L(64bytesormore_loop_end):
|
|
add $16, %rdi
|
|
add $16, %rsi
|
|
ptest %xmm2, %xmm0
|
|
jnc L(16bytes)
|
|
|
|
add $16, %rdi
|
|
add $16, %rsi
|
|
ptest %xmm3, %xmm0
|
|
jnc L(16bytes)
|
|
|
|
add $16, %rdi
|
|
add $16, %rsi
|
|
ptest %xmm4, %xmm0
|
|
jnc L(16bytes)
|
|
|
|
add $16, %rdi
|
|
add $16, %rsi
|
|
jmp L(16bytes)
|
|
|
|
L(256bytesin256):
|
|
add $256, %rdi
|
|
add $256, %rsi
|
|
jmp L(16bytes)
|
|
L(240bytesin256):
|
|
add $240, %rdi
|
|
add $240, %rsi
|
|
jmp L(16bytes)
|
|
L(224bytesin256):
|
|
add $224, %rdi
|
|
add $224, %rsi
|
|
jmp L(16bytes)
|
|
L(208bytesin256):
|
|
add $208, %rdi
|
|
add $208, %rsi
|
|
jmp L(16bytes)
|
|
L(192bytesin256):
|
|
add $192, %rdi
|
|
add $192, %rsi
|
|
jmp L(16bytes)
|
|
L(176bytesin256):
|
|
add $176, %rdi
|
|
add $176, %rsi
|
|
jmp L(16bytes)
|
|
L(160bytesin256):
|
|
add $160, %rdi
|
|
add $160, %rsi
|
|
jmp L(16bytes)
|
|
L(144bytesin256):
|
|
add $144, %rdi
|
|
add $144, %rsi
|
|
jmp L(16bytes)
|
|
L(128bytesin256):
|
|
add $128, %rdi
|
|
add $128, %rsi
|
|
jmp L(16bytes)
|
|
L(112bytesin256):
|
|
add $112, %rdi
|
|
add $112, %rsi
|
|
jmp L(16bytes)
|
|
L(96bytesin256):
|
|
add $96, %rdi
|
|
add $96, %rsi
|
|
jmp L(16bytes)
|
|
L(80bytesin256):
|
|
add $80, %rdi
|
|
add $80, %rsi
|
|
jmp L(16bytes)
|
|
L(64bytesin256):
|
|
add $64, %rdi
|
|
add $64, %rsi
|
|
jmp L(16bytes)
|
|
L(48bytesin256):
|
|
add $16, %rdi
|
|
add $16, %rsi
|
|
L(32bytesin256):
|
|
add $16, %rdi
|
|
add $16, %rsi
|
|
L(16bytesin256):
|
|
add $16, %rdi
|
|
add $16, %rsi
|
|
L(16bytes):
|
|
mov -16(%rdi), %rax
|
|
mov -16(%rsi), %rcx
|
|
cmp %rax, %rcx
|
|
jne L(diffin8bytes)
|
|
L(8bytes):
|
|
mov -8(%rdi), %rax
|
|
mov -8(%rsi), %rcx
|
|
cmp %rax, %rcx
|
|
jne L(diffin8bytes)
|
|
xor %eax, %eax
|
|
ret
|
|
|
|
ALIGN (4)
|
|
L(12bytes):
|
|
mov -12(%rdi), %rax
|
|
mov -12(%rsi), %rcx
|
|
cmp %rax, %rcx
|
|
jne L(diffin8bytes)
|
|
L(4bytes):
|
|
mov -4(%rsi), %ecx
|
|
# ifndef USE_AS_WMEMCMP
|
|
mov -4(%rdi), %eax
|
|
cmp %eax, %ecx
|
|
# else
|
|
cmp -4(%rdi), %ecx
|
|
# endif
|
|
jne L(diffin4bytes)
|
|
L(0bytes):
|
|
xor %eax, %eax
|
|
ret
|
|
|
|
# ifndef USE_AS_WMEMCMP
|
|
/* unreal case for wmemcmp */
|
|
ALIGN (4)
|
|
L(65bytes):
|
|
movdqu -65(%rdi), %xmm1
|
|
movdqu -65(%rsi), %xmm2
|
|
mov $-65, %dl
|
|
pxor %xmm1, %xmm2
|
|
ptest %xmm2, %xmm0
|
|
jnc L(less16bytes)
|
|
L(49bytes):
|
|
movdqu -49(%rdi), %xmm1
|
|
movdqu -49(%rsi), %xmm2
|
|
mov $-49, %dl
|
|
pxor %xmm1, %xmm2
|
|
ptest %xmm2, %xmm0
|
|
jnc L(less16bytes)
|
|
L(33bytes):
|
|
movdqu -33(%rdi), %xmm1
|
|
movdqu -33(%rsi), %xmm2
|
|
mov $-33, %dl
|
|
pxor %xmm1, %xmm2
|
|
ptest %xmm2, %xmm0
|
|
jnc L(less16bytes)
|
|
L(17bytes):
|
|
mov -17(%rdi), %rax
|
|
mov -17(%rsi), %rcx
|
|
cmp %rax, %rcx
|
|
jne L(diffin8bytes)
|
|
L(9bytes):
|
|
mov -9(%rdi), %rax
|
|
mov -9(%rsi), %rcx
|
|
cmp %rax, %rcx
|
|
jne L(diffin8bytes)
|
|
movzbl -1(%rdi), %eax
|
|
movzbl -1(%rsi), %edx
|
|
sub %edx, %eax
|
|
ret
|
|
|
|
ALIGN (4)
|
|
L(13bytes):
|
|
mov -13(%rdi), %rax
|
|
mov -13(%rsi), %rcx
|
|
cmp %rax, %rcx
|
|
jne L(diffin8bytes)
|
|
mov -8(%rdi), %rax
|
|
mov -8(%rsi), %rcx
|
|
cmp %rax, %rcx
|
|
jne L(diffin8bytes)
|
|
xor %eax, %eax
|
|
ret
|
|
|
|
ALIGN (4)
|
|
L(5bytes):
|
|
mov -5(%rdi), %eax
|
|
mov -5(%rsi), %ecx
|
|
cmp %eax, %ecx
|
|
jne L(diffin4bytes)
|
|
movzbl -1(%rdi), %eax
|
|
movzbl -1(%rsi), %edx
|
|
sub %edx, %eax
|
|
ret
|
|
|
|
ALIGN (4)
|
|
L(66bytes):
|
|
movdqu -66(%rdi), %xmm1
|
|
movdqu -66(%rsi), %xmm2
|
|
mov $-66, %dl
|
|
pxor %xmm1, %xmm2
|
|
ptest %xmm2, %xmm0
|
|
jnc L(less16bytes)
|
|
L(50bytes):
|
|
movdqu -50(%rdi), %xmm1
|
|
movdqu -50(%rsi), %xmm2
|
|
mov $-50, %dl
|
|
pxor %xmm1, %xmm2
|
|
ptest %xmm2, %xmm0
|
|
jnc L(less16bytes)
|
|
L(34bytes):
|
|
movdqu -34(%rdi), %xmm1
|
|
movdqu -34(%rsi), %xmm2
|
|
mov $-34, %dl
|
|
pxor %xmm1, %xmm2
|
|
ptest %xmm2, %xmm0
|
|
jnc L(less16bytes)
|
|
L(18bytes):
|
|
mov -18(%rdi), %rax
|
|
mov -18(%rsi), %rcx
|
|
cmp %rax, %rcx
|
|
jne L(diffin8bytes)
|
|
L(10bytes):
|
|
mov -10(%rdi), %rax
|
|
mov -10(%rsi), %rcx
|
|
cmp %rax, %rcx
|
|
jne L(diffin8bytes)
|
|
movzwl -2(%rdi), %eax
|
|
movzwl -2(%rsi), %ecx
|
|
cmp %cl, %al
|
|
jne L(end)
|
|
and $0xffff, %eax
|
|
and $0xffff, %ecx
|
|
sub %ecx, %eax
|
|
ret
|
|
|
|
ALIGN (4)
|
|
L(14bytes):
|
|
mov -14(%rdi), %rax
|
|
mov -14(%rsi), %rcx
|
|
cmp %rax, %rcx
|
|
jne L(diffin8bytes)
|
|
mov -8(%rdi), %rax
|
|
mov -8(%rsi), %rcx
|
|
cmp %rax, %rcx
|
|
jne L(diffin8bytes)
|
|
xor %eax, %eax
|
|
ret
|
|
|
|
ALIGN (4)
|
|
L(6bytes):
|
|
mov -6(%rdi), %eax
|
|
mov -6(%rsi), %ecx
|
|
cmp %eax, %ecx
|
|
jne L(diffin4bytes)
|
|
L(2bytes):
|
|
movzwl -2(%rsi), %ecx
|
|
movzwl -2(%rdi), %eax
|
|
cmp %cl, %al
|
|
jne L(end)
|
|
and $0xffff, %eax
|
|
and $0xffff, %ecx
|
|
sub %ecx, %eax
|
|
ret
|
|
|
|
ALIGN (4)
|
|
L(67bytes):
|
|
movdqu -67(%rdi), %xmm2
|
|
movdqu -67(%rsi), %xmm1
|
|
mov $-67, %dl
|
|
pxor %xmm1, %xmm2
|
|
ptest %xmm2, %xmm0
|
|
jnc L(less16bytes)
|
|
L(51bytes):
|
|
movdqu -51(%rdi), %xmm2
|
|
movdqu -51(%rsi), %xmm1
|
|
mov $-51, %dl
|
|
pxor %xmm1, %xmm2
|
|
ptest %xmm2, %xmm0
|
|
jnc L(less16bytes)
|
|
L(35bytes):
|
|
movdqu -35(%rsi), %xmm1
|
|
movdqu -35(%rdi), %xmm2
|
|
mov $-35, %dl
|
|
pxor %xmm1, %xmm2
|
|
ptest %xmm2, %xmm0
|
|
jnc L(less16bytes)
|
|
L(19bytes):
|
|
mov -19(%rdi), %rax
|
|
mov -19(%rsi), %rcx
|
|
cmp %rax, %rcx
|
|
jne L(diffin8bytes)
|
|
L(11bytes):
|
|
mov -11(%rdi), %rax
|
|
mov -11(%rsi), %rcx
|
|
cmp %rax, %rcx
|
|
jne L(diffin8bytes)
|
|
mov -4(%rdi), %eax
|
|
mov -4(%rsi), %ecx
|
|
cmp %eax, %ecx
|
|
jne L(diffin4bytes)
|
|
xor %eax, %eax
|
|
ret
|
|
|
|
ALIGN (4)
|
|
L(15bytes):
|
|
mov -15(%rdi), %rax
|
|
mov -15(%rsi), %rcx
|
|
cmp %rax, %rcx
|
|
jne L(diffin8bytes)
|
|
mov -8(%rdi), %rax
|
|
mov -8(%rsi), %rcx
|
|
cmp %rax, %rcx
|
|
jne L(diffin8bytes)
|
|
xor %eax, %eax
|
|
ret
|
|
|
|
ALIGN (4)
|
|
L(7bytes):
|
|
mov -7(%rdi), %eax
|
|
mov -7(%rsi), %ecx
|
|
cmp %eax, %ecx
|
|
jne L(diffin4bytes)
|
|
mov -4(%rdi), %eax
|
|
mov -4(%rsi), %ecx
|
|
cmp %eax, %ecx
|
|
jne L(diffin4bytes)
|
|
xor %eax, %eax
|
|
ret
|
|
|
|
ALIGN (4)
|
|
L(3bytes):
|
|
movzwl -3(%rdi), %eax
|
|
movzwl -3(%rsi), %ecx
|
|
cmp %eax, %ecx
|
|
jne L(diffin2bytes)
|
|
L(1bytes):
|
|
movzbl -1(%rdi), %eax
|
|
movzbl -1(%rsi), %ecx
|
|
sub %ecx, %eax
|
|
ret
|
|
# endif
|
|
|
|
ALIGN (4)
|
|
L(68bytes):
|
|
movdqu -68(%rdi), %xmm2
|
|
movdqu -68(%rsi), %xmm1
|
|
mov $-68, %dl
|
|
pxor %xmm1, %xmm2
|
|
ptest %xmm2, %xmm0
|
|
jnc L(less16bytes)
|
|
L(52bytes):
|
|
movdqu -52(%rdi), %xmm2
|
|
movdqu -52(%rsi), %xmm1
|
|
mov $-52, %dl
|
|
pxor %xmm1, %xmm2
|
|
ptest %xmm2, %xmm0
|
|
jnc L(less16bytes)
|
|
L(36bytes):
|
|
movdqu -36(%rdi), %xmm2
|
|
movdqu -36(%rsi), %xmm1
|
|
mov $-36, %dl
|
|
pxor %xmm1, %xmm2
|
|
ptest %xmm2, %xmm0
|
|
jnc L(less16bytes)
|
|
L(20bytes):
|
|
movdqu -20(%rdi), %xmm2
|
|
movdqu -20(%rsi), %xmm1
|
|
mov $-20, %dl
|
|
pxor %xmm1, %xmm2
|
|
ptest %xmm2, %xmm0
|
|
jnc L(less16bytes)
|
|
mov -4(%rsi), %ecx
|
|
|
|
# ifndef USE_AS_WMEMCMP
|
|
mov -4(%rdi), %eax
|
|
cmp %eax, %ecx
|
|
# else
|
|
cmp -4(%rdi), %ecx
|
|
# endif
|
|
jne L(diffin4bytes)
|
|
xor %eax, %eax
|
|
ret
|
|
|
|
# ifndef USE_AS_WMEMCMP
|
|
/* unreal cases for wmemcmp */
|
|
ALIGN (4)
|
|
L(69bytes):
|
|
movdqu -69(%rsi), %xmm1
|
|
movdqu -69(%rdi), %xmm2
|
|
mov $-69, %dl
|
|
pxor %xmm1, %xmm2
|
|
ptest %xmm2, %xmm0
|
|
jnc L(less16bytes)
|
|
L(53bytes):
|
|
movdqu -53(%rsi), %xmm1
|
|
movdqu -53(%rdi), %xmm2
|
|
mov $-53, %dl
|
|
pxor %xmm1, %xmm2
|
|
ptest %xmm2, %xmm0
|
|
jnc L(less16bytes)
|
|
L(37bytes):
|
|
movdqu -37(%rsi), %xmm1
|
|
movdqu -37(%rdi), %xmm2
|
|
mov $-37, %dl
|
|
pxor %xmm1, %xmm2
|
|
ptest %xmm2, %xmm0
|
|
jnc L(less16bytes)
|
|
L(21bytes):
|
|
movdqu -21(%rsi), %xmm1
|
|
movdqu -21(%rdi), %xmm2
|
|
mov $-21, %dl
|
|
pxor %xmm1, %xmm2
|
|
ptest %xmm2, %xmm0
|
|
jnc L(less16bytes)
|
|
mov -8(%rdi), %rax
|
|
mov -8(%rsi), %rcx
|
|
cmp %rax, %rcx
|
|
jne L(diffin8bytes)
|
|
xor %eax, %eax
|
|
ret
|
|
|
|
ALIGN (4)
|
|
L(70bytes):
|
|
movdqu -70(%rsi), %xmm1
|
|
movdqu -70(%rdi), %xmm2
|
|
mov $-70, %dl
|
|
pxor %xmm1, %xmm2
|
|
ptest %xmm2, %xmm0
|
|
jnc L(less16bytes)
|
|
L(54bytes):
|
|
movdqu -54(%rsi), %xmm1
|
|
movdqu -54(%rdi), %xmm2
|
|
mov $-54, %dl
|
|
pxor %xmm1, %xmm2
|
|
ptest %xmm2, %xmm0
|
|
jnc L(less16bytes)
|
|
L(38bytes):
|
|
movdqu -38(%rsi), %xmm1
|
|
movdqu -38(%rdi), %xmm2
|
|
mov $-38, %dl
|
|
pxor %xmm1, %xmm2
|
|
ptest %xmm2, %xmm0
|
|
jnc L(less16bytes)
|
|
L(22bytes):
|
|
movdqu -22(%rsi), %xmm1
|
|
movdqu -22(%rdi), %xmm2
|
|
mov $-22, %dl
|
|
pxor %xmm1, %xmm2
|
|
ptest %xmm2, %xmm0
|
|
jnc L(less16bytes)
|
|
mov -8(%rdi), %rax
|
|
mov -8(%rsi), %rcx
|
|
cmp %rax, %rcx
|
|
jne L(diffin8bytes)
|
|
xor %eax, %eax
|
|
ret
|
|
|
|
ALIGN (4)
|
|
L(71bytes):
|
|
movdqu -71(%rsi), %xmm1
|
|
movdqu -71(%rdi), %xmm2
|
|
mov $-71, %dl
|
|
pxor %xmm1, %xmm2
|
|
ptest %xmm2, %xmm0
|
|
jnc L(less16bytes)
|
|
L(55bytes):
|
|
movdqu -55(%rdi), %xmm2
|
|
movdqu -55(%rsi), %xmm1
|
|
mov $-55, %dl
|
|
pxor %xmm1, %xmm2
|
|
ptest %xmm2, %xmm0
|
|
jnc L(less16bytes)
|
|
L(39bytes):
|
|
movdqu -39(%rdi), %xmm2
|
|
movdqu -39(%rsi), %xmm1
|
|
mov $-39, %dl
|
|
pxor %xmm1, %xmm2
|
|
ptest %xmm2, %xmm0
|
|
jnc L(less16bytes)
|
|
L(23bytes):
|
|
movdqu -23(%rdi), %xmm2
|
|
movdqu -23(%rsi), %xmm1
|
|
mov $-23, %dl
|
|
pxor %xmm1, %xmm2
|
|
ptest %xmm2, %xmm0
|
|
jnc L(less16bytes)
|
|
mov -8(%rdi), %rax
|
|
mov -8(%rsi), %rcx
|
|
cmp %rax, %rcx
|
|
jne L(diffin8bytes)
|
|
xor %eax, %eax
|
|
ret
|
|
# endif
|
|
|
|
ALIGN (4)
|
|
L(72bytes):
|
|
movdqu -72(%rsi), %xmm1
|
|
movdqu -72(%rdi), %xmm2
|
|
mov $-72, %dl
|
|
pxor %xmm1, %xmm2
|
|
ptest %xmm2, %xmm0
|
|
jnc L(less16bytes)
|
|
L(56bytes):
|
|
movdqu -56(%rdi), %xmm2
|
|
movdqu -56(%rsi), %xmm1
|
|
mov $-56, %dl
|
|
pxor %xmm1, %xmm2
|
|
ptest %xmm2, %xmm0
|
|
jnc L(less16bytes)
|
|
L(40bytes):
|
|
movdqu -40(%rdi), %xmm2
|
|
movdqu -40(%rsi), %xmm1
|
|
mov $-40, %dl
|
|
pxor %xmm1, %xmm2
|
|
ptest %xmm2, %xmm0
|
|
jnc L(less16bytes)
|
|
L(24bytes):
|
|
movdqu -24(%rdi), %xmm2
|
|
movdqu -24(%rsi), %xmm1
|
|
mov $-24, %dl
|
|
pxor %xmm1, %xmm2
|
|
ptest %xmm2, %xmm0
|
|
jnc L(less16bytes)
|
|
|
|
mov -8(%rsi), %rcx
|
|
mov -8(%rdi), %rax
|
|
cmp %rax, %rcx
|
|
jne L(diffin8bytes)
|
|
xor %eax, %eax
|
|
ret
|
|
|
|
# ifndef USE_AS_WMEMCMP
|
|
/* unreal cases for wmemcmp */
|
|
ALIGN (4)
|
|
L(73bytes):
|
|
movdqu -73(%rsi), %xmm1
|
|
movdqu -73(%rdi), %xmm2
|
|
mov $-73, %dl
|
|
pxor %xmm1, %xmm2
|
|
ptest %xmm2, %xmm0
|
|
jnc L(less16bytes)
|
|
L(57bytes):
|
|
movdqu -57(%rdi), %xmm2
|
|
movdqu -57(%rsi), %xmm1
|
|
mov $-57, %dl
|
|
pxor %xmm1, %xmm2
|
|
ptest %xmm2, %xmm0
|
|
jnc L(less16bytes)
|
|
L(41bytes):
|
|
movdqu -41(%rdi), %xmm2
|
|
movdqu -41(%rsi), %xmm1
|
|
mov $-41, %dl
|
|
pxor %xmm1, %xmm2
|
|
ptest %xmm2, %xmm0
|
|
jnc L(less16bytes)
|
|
L(25bytes):
|
|
movdqu -25(%rdi), %xmm2
|
|
movdqu -25(%rsi), %xmm1
|
|
mov $-25, %dl
|
|
pxor %xmm1, %xmm2
|
|
ptest %xmm2, %xmm0
|
|
jnc L(less16bytes)
|
|
mov -9(%rdi), %rax
|
|
mov -9(%rsi), %rcx
|
|
cmp %rax, %rcx
|
|
jne L(diffin8bytes)
|
|
movzbl -1(%rdi), %eax
|
|
movzbl -1(%rsi), %ecx
|
|
sub %ecx, %eax
|
|
ret
|
|
|
|
ALIGN (4)
|
|
L(74bytes):
|
|
movdqu -74(%rsi), %xmm1
|
|
movdqu -74(%rdi), %xmm2
|
|
mov $-74, %dl
|
|
pxor %xmm1, %xmm2
|
|
ptest %xmm2, %xmm0
|
|
jnc L(less16bytes)
|
|
L(58bytes):
|
|
movdqu -58(%rdi), %xmm2
|
|
movdqu -58(%rsi), %xmm1
|
|
mov $-58, %dl
|
|
pxor %xmm1, %xmm2
|
|
ptest %xmm2, %xmm0
|
|
jnc L(less16bytes)
|
|
L(42bytes):
|
|
movdqu -42(%rdi), %xmm2
|
|
movdqu -42(%rsi), %xmm1
|
|
mov $-42, %dl
|
|
pxor %xmm1, %xmm2
|
|
ptest %xmm2, %xmm0
|
|
jnc L(less16bytes)
|
|
L(26bytes):
|
|
movdqu -26(%rdi), %xmm2
|
|
movdqu -26(%rsi), %xmm1
|
|
mov $-26, %dl
|
|
pxor %xmm1, %xmm2
|
|
ptest %xmm2, %xmm0
|
|
jnc L(less16bytes)
|
|
mov -10(%rdi), %rax
|
|
mov -10(%rsi), %rcx
|
|
cmp %rax, %rcx
|
|
jne L(diffin8bytes)
|
|
movzwl -2(%rdi), %eax
|
|
movzwl -2(%rsi), %ecx
|
|
jmp L(diffin2bytes)
|
|
|
|
ALIGN (4)
|
|
L(75bytes):
|
|
movdqu -75(%rsi), %xmm1
|
|
movdqu -75(%rdi), %xmm2
|
|
mov $-75, %dl
|
|
pxor %xmm1, %xmm2
|
|
ptest %xmm2, %xmm0
|
|
jnc L(less16bytes)
|
|
L(59bytes):
|
|
movdqu -59(%rdi), %xmm2
|
|
movdqu -59(%rsi), %xmm1
|
|
mov $-59, %dl
|
|
pxor %xmm1, %xmm2
|
|
ptest %xmm2, %xmm0
|
|
jnc L(less16bytes)
|
|
L(43bytes):
|
|
movdqu -43(%rdi), %xmm2
|
|
movdqu -43(%rsi), %xmm1
|
|
mov $-43, %dl
|
|
pxor %xmm1, %xmm2
|
|
ptest %xmm2, %xmm0
|
|
jnc L(less16bytes)
|
|
L(27bytes):
|
|
movdqu -27(%rdi), %xmm2
|
|
movdqu -27(%rsi), %xmm1
|
|
mov $-27, %dl
|
|
pxor %xmm1, %xmm2
|
|
ptest %xmm2, %xmm0
|
|
jnc L(less16bytes)
|
|
mov -11(%rdi), %rax
|
|
mov -11(%rsi), %rcx
|
|
cmp %rax, %rcx
|
|
jne L(diffin8bytes)
|
|
mov -4(%rdi), %eax
|
|
mov -4(%rsi), %ecx
|
|
cmp %eax, %ecx
|
|
jne L(diffin4bytes)
|
|
xor %eax, %eax
|
|
ret
|
|
# endif
|
|
ALIGN (4)
|
|
L(76bytes):
|
|
movdqu -76(%rsi), %xmm1
|
|
movdqu -76(%rdi), %xmm2
|
|
mov $-76, %dl
|
|
pxor %xmm1, %xmm2
|
|
ptest %xmm2, %xmm0
|
|
jnc L(less16bytes)
|
|
L(60bytes):
|
|
movdqu -60(%rdi), %xmm2
|
|
movdqu -60(%rsi), %xmm1
|
|
mov $-60, %dl
|
|
pxor %xmm1, %xmm2
|
|
ptest %xmm2, %xmm0
|
|
jnc L(less16bytes)
|
|
L(44bytes):
|
|
movdqu -44(%rdi), %xmm2
|
|
movdqu -44(%rsi), %xmm1
|
|
mov $-44, %dl
|
|
pxor %xmm1, %xmm2
|
|
ptest %xmm2, %xmm0
|
|
jnc L(less16bytes)
|
|
L(28bytes):
|
|
movdqu -28(%rdi), %xmm2
|
|
movdqu -28(%rsi), %xmm1
|
|
mov $-28, %dl
|
|
pxor %xmm1, %xmm2
|
|
ptest %xmm2, %xmm0
|
|
jnc L(less16bytes)
|
|
mov -12(%rdi), %rax
|
|
mov -12(%rsi), %rcx
|
|
cmp %rax, %rcx
|
|
jne L(diffin8bytes)
|
|
mov -4(%rsi), %ecx
|
|
# ifndef USE_AS_WMEMCMP
|
|
mov -4(%rdi), %eax
|
|
cmp %eax, %ecx
|
|
# else
|
|
cmp -4(%rdi), %ecx
|
|
# endif
|
|
jne L(diffin4bytes)
|
|
xor %eax, %eax
|
|
ret
|
|
|
|
# ifndef USE_AS_WMEMCMP
|
|
/* unreal cases for wmemcmp */
|
|
ALIGN (4)
|
|
L(77bytes):
|
|
movdqu -77(%rsi), %xmm1
|
|
movdqu -77(%rdi), %xmm2
|
|
mov $-77, %dl
|
|
pxor %xmm1, %xmm2
|
|
ptest %xmm2, %xmm0
|
|
jnc L(less16bytes)
|
|
L(61bytes):
|
|
movdqu -61(%rdi), %xmm2
|
|
movdqu -61(%rsi), %xmm1
|
|
mov $-61, %dl
|
|
pxor %xmm1, %xmm2
|
|
ptest %xmm2, %xmm0
|
|
jnc L(less16bytes)
|
|
L(45bytes):
|
|
movdqu -45(%rdi), %xmm2
|
|
movdqu -45(%rsi), %xmm1
|
|
mov $-45, %dl
|
|
pxor %xmm1, %xmm2
|
|
ptest %xmm2, %xmm0
|
|
jnc L(less16bytes)
|
|
L(29bytes):
|
|
movdqu -29(%rdi), %xmm2
|
|
movdqu -29(%rsi), %xmm1
|
|
mov $-29, %dl
|
|
pxor %xmm1, %xmm2
|
|
ptest %xmm2, %xmm0
|
|
jnc L(less16bytes)
|
|
|
|
mov -13(%rdi), %rax
|
|
mov -13(%rsi), %rcx
|
|
cmp %rax, %rcx
|
|
jne L(diffin8bytes)
|
|
|
|
mov -8(%rdi), %rax
|
|
mov -8(%rsi), %rcx
|
|
cmp %rax, %rcx
|
|
jne L(diffin8bytes)
|
|
xor %eax, %eax
|
|
ret
|
|
|
|
ALIGN (4)
|
|
L(78bytes):
|
|
movdqu -78(%rsi), %xmm1
|
|
movdqu -78(%rdi), %xmm2
|
|
mov $-78, %dl
|
|
pxor %xmm1, %xmm2
|
|
ptest %xmm2, %xmm0
|
|
jnc L(less16bytes)
|
|
L(62bytes):
|
|
movdqu -62(%rdi), %xmm2
|
|
movdqu -62(%rsi), %xmm1
|
|
mov $-62, %dl
|
|
pxor %xmm1, %xmm2
|
|
ptest %xmm2, %xmm0
|
|
jnc L(less16bytes)
|
|
L(46bytes):
|
|
movdqu -46(%rdi), %xmm2
|
|
movdqu -46(%rsi), %xmm1
|
|
mov $-46, %dl
|
|
pxor %xmm1, %xmm2
|
|
ptest %xmm2, %xmm0
|
|
jnc L(less16bytes)
|
|
L(30bytes):
|
|
movdqu -30(%rdi), %xmm2
|
|
movdqu -30(%rsi), %xmm1
|
|
mov $-30, %dl
|
|
pxor %xmm1, %xmm2
|
|
ptest %xmm2, %xmm0
|
|
jnc L(less16bytes)
|
|
mov -14(%rdi), %rax
|
|
mov -14(%rsi), %rcx
|
|
cmp %rax, %rcx
|
|
jne L(diffin8bytes)
|
|
mov -8(%rdi), %rax
|
|
mov -8(%rsi), %rcx
|
|
cmp %rax, %rcx
|
|
jne L(diffin8bytes)
|
|
xor %eax, %eax
|
|
ret
|
|
|
|
ALIGN (4)
|
|
L(79bytes):
|
|
movdqu -79(%rsi), %xmm1
|
|
movdqu -79(%rdi), %xmm2
|
|
mov $-79, %dl
|
|
pxor %xmm1, %xmm2
|
|
ptest %xmm2, %xmm0
|
|
jnc L(less16bytes)
|
|
L(63bytes):
|
|
movdqu -63(%rdi), %xmm2
|
|
movdqu -63(%rsi), %xmm1
|
|
mov $-63, %dl
|
|
pxor %xmm1, %xmm2
|
|
ptest %xmm2, %xmm0
|
|
jnc L(less16bytes)
|
|
L(47bytes):
|
|
movdqu -47(%rdi), %xmm2
|
|
movdqu -47(%rsi), %xmm1
|
|
mov $-47, %dl
|
|
pxor %xmm1, %xmm2
|
|
ptest %xmm2, %xmm0
|
|
jnc L(less16bytes)
|
|
L(31bytes):
|
|
movdqu -31(%rdi), %xmm2
|
|
movdqu -31(%rsi), %xmm1
|
|
mov $-31, %dl
|
|
pxor %xmm1, %xmm2
|
|
ptest %xmm2, %xmm0
|
|
jnc L(less16bytes)
|
|
mov -15(%rdi), %rax
|
|
mov -15(%rsi), %rcx
|
|
cmp %rax, %rcx
|
|
jne L(diffin8bytes)
|
|
mov -8(%rdi), %rax
|
|
mov -8(%rsi), %rcx
|
|
cmp %rax, %rcx
|
|
jne L(diffin8bytes)
|
|
xor %eax, %eax
|
|
ret
|
|
# endif
|
|
ALIGN (4)
|
|
L(64bytes):
|
|
movdqu -64(%rdi), %xmm2
|
|
movdqu -64(%rsi), %xmm1
|
|
mov $-64, %dl
|
|
pxor %xmm1, %xmm2
|
|
ptest %xmm2, %xmm0
|
|
jnc L(less16bytes)
|
|
L(48bytes):
|
|
movdqu -48(%rdi), %xmm2
|
|
movdqu -48(%rsi), %xmm1
|
|
mov $-48, %dl
|
|
pxor %xmm1, %xmm2
|
|
ptest %xmm2, %xmm0
|
|
jnc L(less16bytes)
|
|
L(32bytes):
|
|
movdqu -32(%rdi), %xmm2
|
|
movdqu -32(%rsi), %xmm1
|
|
mov $-32, %dl
|
|
pxor %xmm1, %xmm2
|
|
ptest %xmm2, %xmm0
|
|
jnc L(less16bytes)
|
|
|
|
mov -16(%rdi), %rax
|
|
mov -16(%rsi), %rcx
|
|
cmp %rax, %rcx
|
|
jne L(diffin8bytes)
|
|
|
|
mov -8(%rdi), %rax
|
|
mov -8(%rsi), %rcx
|
|
cmp %rax, %rcx
|
|
jne L(diffin8bytes)
|
|
xor %eax, %eax
|
|
ret
|
|
|
|
/*
|
|
* Aligned 8 bytes to avoid 2 branch "taken" in one 16 alinged code block.
|
|
*/
|
|
ALIGN (3)
|
|
L(less16bytes):
|
|
movsbq %dl, %rdx
|
|
mov (%rsi, %rdx), %rcx
|
|
mov (%rdi, %rdx), %rax
|
|
cmp %rax, %rcx
|
|
jne L(diffin8bytes)
|
|
mov 8(%rsi, %rdx), %rcx
|
|
mov 8(%rdi, %rdx), %rax
|
|
L(diffin8bytes):
|
|
cmp %eax, %ecx
|
|
jne L(diffin4bytes)
|
|
shr $32, %rcx
|
|
shr $32, %rax
|
|
|
|
# ifdef USE_AS_WMEMCMP
|
|
/* for wmemcmp */
|
|
cmp %eax, %ecx
|
|
jne L(diffin4bytes)
|
|
xor %eax, %eax
|
|
ret
|
|
# endif
|
|
|
|
L(diffin4bytes):
|
|
# ifndef USE_AS_WMEMCMP
|
|
cmp %cx, %ax
|
|
jne L(diffin2bytes)
|
|
shr $16, %ecx
|
|
shr $16, %eax
|
|
L(diffin2bytes):
|
|
cmp %cl, %al
|
|
jne L(end)
|
|
and $0xffff, %eax
|
|
and $0xffff, %ecx
|
|
sub %ecx, %eax
|
|
ret
|
|
|
|
ALIGN (4)
|
|
L(end):
|
|
and $0xff, %eax
|
|
and $0xff, %ecx
|
|
sub %ecx, %eax
|
|
ret
|
|
# else
|
|
|
|
/* for wmemcmp */
|
|
mov $1, %eax
|
|
jl L(nequal_bigger)
|
|
neg %eax
|
|
ret
|
|
|
|
ALIGN (4)
|
|
L(nequal_bigger):
|
|
ret
|
|
|
|
L(unreal_case):
|
|
xor %eax, %eax
|
|
ret
|
|
# endif
|
|
|
|
END (MEMCMP)
|
|
|
|
.section .rodata.sse4.1,"a",@progbits
|
|
ALIGN (3)
|
|
# ifndef USE_AS_WMEMCMP
|
|
L(table_64bytes):
|
|
.int JMPTBL (L(0bytes), L(table_64bytes))
|
|
.int JMPTBL (L(1bytes), L(table_64bytes))
|
|
.int JMPTBL (L(2bytes), L(table_64bytes))
|
|
.int JMPTBL (L(3bytes), L(table_64bytes))
|
|
.int JMPTBL (L(4bytes), L(table_64bytes))
|
|
.int JMPTBL (L(5bytes), L(table_64bytes))
|
|
.int JMPTBL (L(6bytes), L(table_64bytes))
|
|
.int JMPTBL (L(7bytes), L(table_64bytes))
|
|
.int JMPTBL (L(8bytes), L(table_64bytes))
|
|
.int JMPTBL (L(9bytes), L(table_64bytes))
|
|
.int JMPTBL (L(10bytes), L(table_64bytes))
|
|
.int JMPTBL (L(11bytes), L(table_64bytes))
|
|
.int JMPTBL (L(12bytes), L(table_64bytes))
|
|
.int JMPTBL (L(13bytes), L(table_64bytes))
|
|
.int JMPTBL (L(14bytes), L(table_64bytes))
|
|
.int JMPTBL (L(15bytes), L(table_64bytes))
|
|
.int JMPTBL (L(16bytes), L(table_64bytes))
|
|
.int JMPTBL (L(17bytes), L(table_64bytes))
|
|
.int JMPTBL (L(18bytes), L(table_64bytes))
|
|
.int JMPTBL (L(19bytes), L(table_64bytes))
|
|
.int JMPTBL (L(20bytes), L(table_64bytes))
|
|
.int JMPTBL (L(21bytes), L(table_64bytes))
|
|
.int JMPTBL (L(22bytes), L(table_64bytes))
|
|
.int JMPTBL (L(23bytes), L(table_64bytes))
|
|
.int JMPTBL (L(24bytes), L(table_64bytes))
|
|
.int JMPTBL (L(25bytes), L(table_64bytes))
|
|
.int JMPTBL (L(26bytes), L(table_64bytes))
|
|
.int JMPTBL (L(27bytes), L(table_64bytes))
|
|
.int JMPTBL (L(28bytes), L(table_64bytes))
|
|
.int JMPTBL (L(29bytes), L(table_64bytes))
|
|
.int JMPTBL (L(30bytes), L(table_64bytes))
|
|
.int JMPTBL (L(31bytes), L(table_64bytes))
|
|
.int JMPTBL (L(32bytes), L(table_64bytes))
|
|
.int JMPTBL (L(33bytes), L(table_64bytes))
|
|
.int JMPTBL (L(34bytes), L(table_64bytes))
|
|
.int JMPTBL (L(35bytes), L(table_64bytes))
|
|
.int JMPTBL (L(36bytes), L(table_64bytes))
|
|
.int JMPTBL (L(37bytes), L(table_64bytes))
|
|
.int JMPTBL (L(38bytes), L(table_64bytes))
|
|
.int JMPTBL (L(39bytes), L(table_64bytes))
|
|
.int JMPTBL (L(40bytes), L(table_64bytes))
|
|
.int JMPTBL (L(41bytes), L(table_64bytes))
|
|
.int JMPTBL (L(42bytes), L(table_64bytes))
|
|
.int JMPTBL (L(43bytes), L(table_64bytes))
|
|
.int JMPTBL (L(44bytes), L(table_64bytes))
|
|
.int JMPTBL (L(45bytes), L(table_64bytes))
|
|
.int JMPTBL (L(46bytes), L(table_64bytes))
|
|
.int JMPTBL (L(47bytes), L(table_64bytes))
|
|
.int JMPTBL (L(48bytes), L(table_64bytes))
|
|
.int JMPTBL (L(49bytes), L(table_64bytes))
|
|
.int JMPTBL (L(50bytes), L(table_64bytes))
|
|
.int JMPTBL (L(51bytes), L(table_64bytes))
|
|
.int JMPTBL (L(52bytes), L(table_64bytes))
|
|
.int JMPTBL (L(53bytes), L(table_64bytes))
|
|
.int JMPTBL (L(54bytes), L(table_64bytes))
|
|
.int JMPTBL (L(55bytes), L(table_64bytes))
|
|
.int JMPTBL (L(56bytes), L(table_64bytes))
|
|
.int JMPTBL (L(57bytes), L(table_64bytes))
|
|
.int JMPTBL (L(58bytes), L(table_64bytes))
|
|
.int JMPTBL (L(59bytes), L(table_64bytes))
|
|
.int JMPTBL (L(60bytes), L(table_64bytes))
|
|
.int JMPTBL (L(61bytes), L(table_64bytes))
|
|
.int JMPTBL (L(62bytes), L(table_64bytes))
|
|
.int JMPTBL (L(63bytes), L(table_64bytes))
|
|
.int JMPTBL (L(64bytes), L(table_64bytes))
|
|
.int JMPTBL (L(65bytes), L(table_64bytes))
|
|
.int JMPTBL (L(66bytes), L(table_64bytes))
|
|
.int JMPTBL (L(67bytes), L(table_64bytes))
|
|
.int JMPTBL (L(68bytes), L(table_64bytes))
|
|
.int JMPTBL (L(69bytes), L(table_64bytes))
|
|
.int JMPTBL (L(70bytes), L(table_64bytes))
|
|
.int JMPTBL (L(71bytes), L(table_64bytes))
|
|
.int JMPTBL (L(72bytes), L(table_64bytes))
|
|
.int JMPTBL (L(73bytes), L(table_64bytes))
|
|
.int JMPTBL (L(74bytes), L(table_64bytes))
|
|
.int JMPTBL (L(75bytes), L(table_64bytes))
|
|
.int JMPTBL (L(76bytes), L(table_64bytes))
|
|
.int JMPTBL (L(77bytes), L(table_64bytes))
|
|
.int JMPTBL (L(78bytes), L(table_64bytes))
|
|
.int JMPTBL (L(79bytes), L(table_64bytes))
|
|
# else
|
|
L(table_64bytes):
|
|
.int JMPTBL (L(0bytes), L(table_64bytes))
|
|
.int JMPTBL (L(unreal_case), L(table_64bytes))
|
|
.int JMPTBL (L(unreal_case), L(table_64bytes))
|
|
.int JMPTBL (L(unreal_case), L(table_64bytes))
|
|
.int JMPTBL (L(4bytes), L(table_64bytes))
|
|
.int JMPTBL (L(unreal_case), L(table_64bytes))
|
|
.int JMPTBL (L(unreal_case), L(table_64bytes))
|
|
.int JMPTBL (L(unreal_case), L(table_64bytes))
|
|
.int JMPTBL (L(8bytes), L(table_64bytes))
|
|
.int JMPTBL (L(unreal_case), L(table_64bytes))
|
|
.int JMPTBL (L(unreal_case), L(table_64bytes))
|
|
.int JMPTBL (L(unreal_case), L(table_64bytes))
|
|
.int JMPTBL (L(12bytes), L(table_64bytes))
|
|
.int JMPTBL (L(unreal_case), L(table_64bytes))
|
|
.int JMPTBL (L(unreal_case), L(table_64bytes))
|
|
.int JMPTBL (L(unreal_case), L(table_64bytes))
|
|
.int JMPTBL (L(16bytes), L(table_64bytes))
|
|
.int JMPTBL (L(unreal_case), L(table_64bytes))
|
|
.int JMPTBL (L(unreal_case), L(table_64bytes))
|
|
.int JMPTBL (L(unreal_case), L(table_64bytes))
|
|
.int JMPTBL (L(20bytes), L(table_64bytes))
|
|
.int JMPTBL (L(unreal_case), L(table_64bytes))
|
|
.int JMPTBL (L(unreal_case), L(table_64bytes))
|
|
.int JMPTBL (L(unreal_case), L(table_64bytes))
|
|
.int JMPTBL (L(24bytes), L(table_64bytes))
|
|
.int JMPTBL (L(unreal_case), L(table_64bytes))
|
|
.int JMPTBL (L(unreal_case), L(table_64bytes))
|
|
.int JMPTBL (L(unreal_case), L(table_64bytes))
|
|
.int JMPTBL (L(28bytes), L(table_64bytes))
|
|
.int JMPTBL (L(unreal_case), L(table_64bytes))
|
|
.int JMPTBL (L(unreal_case), L(table_64bytes))
|
|
.int JMPTBL (L(unreal_case), L(table_64bytes))
|
|
.int JMPTBL (L(32bytes), L(table_64bytes))
|
|
.int JMPTBL (L(unreal_case), L(table_64bytes))
|
|
.int JMPTBL (L(unreal_case), L(table_64bytes))
|
|
.int JMPTBL (L(unreal_case), L(table_64bytes))
|
|
.int JMPTBL (L(36bytes), L(table_64bytes))
|
|
.int JMPTBL (L(unreal_case), L(table_64bytes))
|
|
.int JMPTBL (L(unreal_case), L(table_64bytes))
|
|
.int JMPTBL (L(unreal_case), L(table_64bytes))
|
|
.int JMPTBL (L(40bytes), L(table_64bytes))
|
|
.int JMPTBL (L(unreal_case), L(table_64bytes))
|
|
.int JMPTBL (L(unreal_case), L(table_64bytes))
|
|
.int JMPTBL (L(unreal_case), L(table_64bytes))
|
|
.int JMPTBL (L(44bytes), L(table_64bytes))
|
|
.int JMPTBL (L(unreal_case), L(table_64bytes))
|
|
.int JMPTBL (L(unreal_case), L(table_64bytes))
|
|
.int JMPTBL (L(unreal_case), L(table_64bytes))
|
|
.int JMPTBL (L(48bytes), L(table_64bytes))
|
|
.int JMPTBL (L(unreal_case), L(table_64bytes))
|
|
.int JMPTBL (L(unreal_case), L(table_64bytes))
|
|
.int JMPTBL (L(unreal_case), L(table_64bytes))
|
|
.int JMPTBL (L(52bytes), L(table_64bytes))
|
|
.int JMPTBL (L(unreal_case), L(table_64bytes))
|
|
.int JMPTBL (L(unreal_case), L(table_64bytes))
|
|
.int JMPTBL (L(unreal_case), L(table_64bytes))
|
|
.int JMPTBL (L(56bytes), L(table_64bytes))
|
|
.int JMPTBL (L(unreal_case), L(table_64bytes))
|
|
.int JMPTBL (L(unreal_case), L(table_64bytes))
|
|
.int JMPTBL (L(unreal_case), L(table_64bytes))
|
|
.int JMPTBL (L(60bytes), L(table_64bytes))
|
|
.int JMPTBL (L(unreal_case), L(table_64bytes))
|
|
.int JMPTBL (L(unreal_case), L(table_64bytes))
|
|
.int JMPTBL (L(unreal_case), L(table_64bytes))
|
|
.int JMPTBL (L(64bytes), L(table_64bytes))
|
|
.int JMPTBL (L(unreal_case), L(table_64bytes))
|
|
.int JMPTBL (L(unreal_case), L(table_64bytes))
|
|
.int JMPTBL (L(unreal_case), L(table_64bytes))
|
|
.int JMPTBL (L(68bytes), L(table_64bytes))
|
|
.int JMPTBL (L(unreal_case), L(table_64bytes))
|
|
.int JMPTBL (L(unreal_case), L(table_64bytes))
|
|
.int JMPTBL (L(unreal_case), L(table_64bytes))
|
|
.int JMPTBL (L(72bytes), L(table_64bytes))
|
|
.int JMPTBL (L(unreal_case), L(table_64bytes))
|
|
.int JMPTBL (L(unreal_case), L(table_64bytes))
|
|
.int JMPTBL (L(unreal_case), L(table_64bytes))
|
|
.int JMPTBL (L(76bytes), L(table_64bytes))
|
|
.int JMPTBL (L(unreal_case), L(table_64bytes))
|
|
.int JMPTBL (L(unreal_case), L(table_64bytes))
|
|
.int JMPTBL (L(unreal_case), L(table_64bytes))
|
|
# endif
|
|
#endif
|