2266 lines
38 KiB
ArmAsm
2266 lines
38 KiB
ArmAsm
/*
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Copyright (c) 2010, Intel Corporation
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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* Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* Neither the name of Intel Corporation nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
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ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef L
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# define L(label) .L##label
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#endif
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#ifndef cfi_startproc
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# define cfi_startproc .cfi_startproc
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#endif
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#ifndef cfi_endproc
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# define cfi_endproc .cfi_endproc
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#endif
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#ifndef cfi_rel_offset
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# define cfi_rel_offset(reg, off) .cfi_rel_offset reg, off
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#endif
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#ifndef cfi_restore
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# define cfi_restore(reg) .cfi_restore (reg)
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#endif
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#ifndef cfi_adjust_cfa_offset
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# define cfi_adjust_cfa_offset(off) .cfi_adjust_cfa_offset off
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#endif
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#ifndef ENTRY
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# define ENTRY(name) \
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.type name, @function; \
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.globl name; \
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.p2align 4; \
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name: \
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cfi_startproc
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#endif
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#ifndef END
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# define END(name) \
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cfi_endproc; \
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.size name, .-name
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#endif
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#define CFI_PUSH(REG) \
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cfi_adjust_cfa_offset (4); \
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cfi_rel_offset (REG, 0)
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#define CFI_POP(REG) \
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cfi_adjust_cfa_offset (-4); \
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cfi_restore (REG)
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#define PUSH(REG) pushl REG; CFI_PUSH (REG)
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#define POP(REG) popl REG; CFI_POP (REG)
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#ifndef USE_AS_STRNCMP
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# define STR1 4
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# define STR2 STR1+4
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# define RETURN ret
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# define UPDATE_STRNCMP_COUNTER
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#else
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# define STR1 8
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# define STR2 STR1+4
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# define CNT STR2+4
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# define RETURN POP (%ebp); ret; CFI_PUSH (%ebp)
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# define UPDATE_STRNCMP_COUNTER \
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/* calculate left number to compare */ \
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mov $16, %esi; \
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sub %ecx, %esi; \
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cmp %esi, %ebp; \
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jbe L(more8byteseq); \
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sub %esi, %ebp
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#endif
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.section .text.ssse3,"ax",@progbits
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ENTRY (ssse3_strcmp_latest)
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#ifdef USE_AS_STRNCMP
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PUSH (%ebp)
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#endif
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movl STR1(%esp), %edx
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movl STR2(%esp), %eax
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#ifdef USE_AS_STRNCMP
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movl CNT(%esp), %ebp
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cmp $16, %ebp
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jb L(less16bytes_sncmp)
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jmp L(more16bytes)
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#endif
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movzbl (%eax), %ecx
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cmpb %cl, (%edx)
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jne L(neq)
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cmpl $0, %ecx
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je L(eq)
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movzbl 1(%eax), %ecx
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cmpb %cl, 1(%edx)
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jne L(neq)
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cmpl $0, %ecx
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je L(eq)
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movzbl 2(%eax), %ecx
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cmpb %cl, 2(%edx)
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jne L(neq)
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cmpl $0, %ecx
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je L(eq)
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movzbl 3(%eax), %ecx
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cmpb %cl, 3(%edx)
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jne L(neq)
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cmpl $0, %ecx
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je L(eq)
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movzbl 4(%eax), %ecx
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cmpb %cl, 4(%edx)
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jne L(neq)
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cmpl $0, %ecx
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je L(eq)
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movzbl 5(%eax), %ecx
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cmpb %cl, 5(%edx)
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jne L(neq)
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cmpl $0, %ecx
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je L(eq)
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movzbl 6(%eax), %ecx
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cmpb %cl, 6(%edx)
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jne L(neq)
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cmpl $0, %ecx
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je L(eq)
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movzbl 7(%eax), %ecx
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cmpb %cl, 7(%edx)
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jne L(neq)
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cmpl $0, %ecx
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je L(eq)
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add $8, %edx
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add $8, %eax
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#ifdef USE_AS_STRNCMP
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cmp $8, %ebp
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lea -8(%ebp), %ebp
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je L(eq)
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L(more16bytes):
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#endif
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movl %edx, %ecx
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and $0xfff, %ecx
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cmp $0xff0, %ecx
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ja L(crosspage)
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mov %eax, %ecx
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and $0xfff, %ecx
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cmp $0xff0, %ecx
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ja L(crosspage)
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pxor %xmm0, %xmm0
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movlpd (%eax), %xmm1
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movlpd (%edx), %xmm2
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movhpd 8(%eax), %xmm1
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movhpd 8(%edx), %xmm2
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pcmpeqb %xmm1, %xmm0
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pcmpeqb %xmm2, %xmm1
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psubb %xmm0, %xmm1
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pmovmskb %xmm1, %ecx
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sub $0xffff, %ecx
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jnz L(less16bytes)
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#ifdef USE_AS_STRNCMP
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cmp $16, %ebp
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lea -16(%ebp), %ebp
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jbe L(eq)
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#endif
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add $16, %eax
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add $16, %edx
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L(crosspage):
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PUSH (%ebx)
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PUSH (%edi)
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PUSH (%esi)
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movl %edx, %edi
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movl %eax, %ecx
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and $0xf, %ecx
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and $0xf, %edi
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xor %ecx, %eax
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xor %edi, %edx
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xor %ebx, %ebx
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cmp %edi, %ecx
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je L(ashr_0)
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ja L(bigger)
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or $0x20, %ebx
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xchg %edx, %eax
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xchg %ecx, %edi
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L(bigger):
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lea 15(%edi), %edi
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sub %ecx, %edi
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cmp $8, %edi
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jle L(ashr_less_8)
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cmp $14, %edi
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je L(ashr_15)
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cmp $13, %edi
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je L(ashr_14)
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cmp $12, %edi
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je L(ashr_13)
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cmp $11, %edi
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je L(ashr_12)
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cmp $10, %edi
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je L(ashr_11)
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cmp $9, %edi
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je L(ashr_10)
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L(ashr_less_8):
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je L(ashr_9)
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cmp $7, %edi
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je L(ashr_8)
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cmp $6, %edi
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je L(ashr_7)
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cmp $5, %edi
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je L(ashr_6)
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cmp $4, %edi
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je L(ashr_5)
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cmp $3, %edi
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je L(ashr_4)
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cmp $2, %edi
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je L(ashr_3)
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cmp $1, %edi
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je L(ashr_2)
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cmp $0, %edi
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je L(ashr_1)
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/*
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* The following cases will be handled by ashr_0
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* ecx(offset of esi) eax(offset of edi) relative offset corresponding case
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* n(0~15) n(0~15) 15(15+ n-n) ashr_0
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*/
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.p2align 4
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L(ashr_0):
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mov $0xffff, %esi
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movdqa (%eax), %xmm1
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pxor %xmm0, %xmm0
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pcmpeqb %xmm1, %xmm0
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pcmpeqb (%edx), %xmm1
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psubb %xmm0, %xmm1
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pmovmskb %xmm1, %edi
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shr %cl, %esi
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shr %cl, %edi
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sub %edi, %esi
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mov %ecx, %edi
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jne L(less32bytes)
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UPDATE_STRNCMP_COUNTER
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mov $0x10, %ebx
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mov $0x10, %ecx
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pxor %xmm0, %xmm0
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.p2align 4
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L(loop_ashr_0):
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movdqa (%eax, %ecx), %xmm1
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movdqa (%edx, %ecx), %xmm2
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pcmpeqb %xmm1, %xmm0
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pcmpeqb %xmm2, %xmm1
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psubb %xmm0, %xmm1
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pmovmskb %xmm1, %esi
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sub $0xffff, %esi
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jnz L(exit)
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#ifdef USE_AS_STRNCMP
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cmp $16, %ebp
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lea -16(%ebp), %ebp
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jbe L(more8byteseq)
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#endif
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add $16, %ecx
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jmp L(loop_ashr_0)
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/*
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* The following cases will be handled by ashr_1
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* ecx(offset of esi) eax(offset of edi) relative offset corresponding case
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* n(15) n -15 0(15 +(n-15) - n) ashr_1
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*/
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.p2align 4
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L(ashr_1):
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mov $0xffff, %esi
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pxor %xmm0, %xmm0
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movdqa (%edx), %xmm2
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movdqa (%eax), %xmm1
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pcmpeqb %xmm1, %xmm0
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pslldq $15, %xmm2
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pcmpeqb %xmm1, %xmm2
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psubb %xmm0, %xmm2
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pmovmskb %xmm2, %edi
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shr %cl, %esi
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shr %cl, %edi
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sub %edi, %esi
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lea -15(%ecx), %edi
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jnz L(less32bytes)
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UPDATE_STRNCMP_COUNTER
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movdqa (%edx), %xmm3
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pxor %xmm0, %xmm0
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mov $16, %ecx
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or $1, %ebx
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lea 1(%edx), %edi
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and $0xfff, %edi
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sub $0x1000, %edi
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.p2align 4
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L(loop_ashr_1):
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add $16, %edi
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jg L(nibble_ashr_1)
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L(gobble_ashr_1):
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movdqa (%eax, %ecx), %xmm1
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movdqa (%edx, %ecx), %xmm2
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movdqa %xmm2, %xmm4
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palignr $1, %xmm3, %xmm2
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pcmpeqb %xmm1, %xmm0
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pcmpeqb %xmm2, %xmm1
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psubb %xmm0, %xmm1
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pmovmskb %xmm1, %esi
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sub $0xffff, %esi
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jnz L(exit)
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#ifdef USE_AS_STRNCMP
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cmp $16, %ebp
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lea -16(%ebp), %ebp
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jbe L(more8byteseq)
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#endif
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add $16, %ecx
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movdqa %xmm4, %xmm3
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add $16, %edi
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jg L(nibble_ashr_1)
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movdqa (%eax, %ecx), %xmm1
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movdqa (%edx, %ecx), %xmm2
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movdqa %xmm2, %xmm4
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palignr $1, %xmm3, %xmm2
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pcmpeqb %xmm1, %xmm0
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pcmpeqb %xmm2, %xmm1
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psubb %xmm0, %xmm1
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pmovmskb %xmm1, %esi
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sub $0xffff, %esi
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jnz L(exit)
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#ifdef USE_AS_STRNCMP
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cmp $16, %ebp
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lea -16(%ebp), %ebp
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jbe L(more8byteseq)
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#endif
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add $16, %ecx
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movdqa %xmm4, %xmm3
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jmp L(loop_ashr_1)
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.p2align 4
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L(nibble_ashr_1):
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pcmpeqb %xmm3, %xmm0
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pmovmskb %xmm0, %esi
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test $0xfffe, %esi
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jnz L(ashr_1_exittail)
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#ifdef USE_AS_STRNCMP
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cmp $15, %ebp
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jbe L(ashr_1_exittail)
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#endif
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pxor %xmm0, %xmm0
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sub $0x1000, %edi
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jmp L(gobble_ashr_1)
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.p2align 4
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L(ashr_1_exittail):
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movdqa (%eax, %ecx), %xmm1
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psrldq $1, %xmm0
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psrldq $1, %xmm3
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jmp L(aftertail)
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/*
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* The following cases will be handled by ashr_2
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* ecx(offset of esi) eax(offset of edi) relative offset corresponding case
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* n(14~15) n -14 1(15 +(n-14) - n) ashr_2
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*/
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.p2align 4
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L(ashr_2):
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mov $0xffff, %esi
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pxor %xmm0, %xmm0
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movdqa (%edx), %xmm2
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movdqa (%eax), %xmm1
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pcmpeqb %xmm1, %xmm0
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pslldq $14, %xmm2
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pcmpeqb %xmm1, %xmm2
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psubb %xmm0, %xmm2
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pmovmskb %xmm2, %edi
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shr %cl, %esi
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shr %cl, %edi
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sub %edi, %esi
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lea -14(%ecx), %edi
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jnz L(less32bytes)
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UPDATE_STRNCMP_COUNTER
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movdqa (%edx), %xmm3
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pxor %xmm0, %xmm0
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mov $16, %ecx
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or $2, %ebx
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lea 2(%edx), %edi
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and $0xfff, %edi
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sub $0x1000, %edi
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.p2align 4
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L(loop_ashr_2):
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add $16, %edi
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jg L(nibble_ashr_2)
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L(gobble_ashr_2):
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movdqa (%eax, %ecx), %xmm1
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movdqa (%edx, %ecx), %xmm2
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movdqa %xmm2, %xmm4
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palignr $2, %xmm3, %xmm2
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pcmpeqb %xmm1, %xmm0
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pcmpeqb %xmm2, %xmm1
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psubb %xmm0, %xmm1
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pmovmskb %xmm1, %esi
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sub $0xffff, %esi
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jnz L(exit)
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#ifdef USE_AS_STRNCMP
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cmp $16, %ebp
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lea -16(%ebp), %ebp
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jbe L(more8byteseq)
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#endif
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add $16, %ecx
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movdqa %xmm4, %xmm3
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add $16, %edi
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jg L(nibble_ashr_2)
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movdqa (%eax, %ecx), %xmm1
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movdqa (%edx, %ecx), %xmm2
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movdqa %xmm2, %xmm4
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palignr $2, %xmm3, %xmm2
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pcmpeqb %xmm1, %xmm0
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pcmpeqb %xmm2, %xmm1
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psubb %xmm0, %xmm1
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pmovmskb %xmm1, %esi
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sub $0xffff, %esi
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jnz L(exit)
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#ifdef USE_AS_STRNCMP
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cmp $16, %ebp
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lea -16(%ebp), %ebp
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jbe L(more8byteseq)
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#endif
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add $16, %ecx
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movdqa %xmm4, %xmm3
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jmp L(loop_ashr_2)
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.p2align 4
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L(nibble_ashr_2):
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pcmpeqb %xmm3, %xmm0
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pmovmskb %xmm0, %esi
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test $0xfffc, %esi
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jnz L(ashr_2_exittail)
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#ifdef USE_AS_STRNCMP
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cmp $14, %ebp
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jbe L(ashr_2_exittail)
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#endif
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pxor %xmm0, %xmm0
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sub $0x1000, %edi
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jmp L(gobble_ashr_2)
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.p2align 4
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L(ashr_2_exittail):
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movdqa (%eax, %ecx), %xmm1
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psrldq $2, %xmm0
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psrldq $2, %xmm3
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jmp L(aftertail)
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/*
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* The following cases will be handled by ashr_3
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* ecx(offset of esi) eax(offset of edi) relative offset corresponding case
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* n(13~15) n -13 2(15 +(n-13) - n) ashr_3
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*/
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.p2align 4
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L(ashr_3):
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mov $0xffff, %esi
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pxor %xmm0, %xmm0
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movdqa (%edx), %xmm2
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movdqa (%eax), %xmm1
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pcmpeqb %xmm1, %xmm0
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pslldq $13, %xmm2
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pcmpeqb %xmm1, %xmm2
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psubb %xmm0, %xmm2
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pmovmskb %xmm2, %edi
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shr %cl, %esi
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shr %cl, %edi
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sub %edi, %esi
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lea -13(%ecx), %edi
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jnz L(less32bytes)
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UPDATE_STRNCMP_COUNTER
|
|
|
|
movdqa (%edx), %xmm3
|
|
pxor %xmm0, %xmm0
|
|
mov $16, %ecx
|
|
or $3, %ebx
|
|
lea 3(%edx), %edi
|
|
and $0xfff, %edi
|
|
sub $0x1000, %edi
|
|
|
|
.p2align 4
|
|
L(loop_ashr_3):
|
|
add $16, %edi
|
|
jg L(nibble_ashr_3)
|
|
|
|
L(gobble_ashr_3):
|
|
movdqa (%eax, %ecx), %xmm1
|
|
movdqa (%edx, %ecx), %xmm2
|
|
movdqa %xmm2, %xmm4
|
|
|
|
palignr $3, %xmm3, %xmm2
|
|
|
|
pcmpeqb %xmm1, %xmm0
|
|
pcmpeqb %xmm2, %xmm1
|
|
psubb %xmm0, %xmm1
|
|
pmovmskb %xmm1, %esi
|
|
sub $0xffff, %esi
|
|
jnz L(exit)
|
|
|
|
#ifdef USE_AS_STRNCMP
|
|
cmp $16, %ebp
|
|
lea -16(%ebp), %ebp
|
|
jbe L(more8byteseq)
|
|
#endif
|
|
add $16, %ecx
|
|
movdqa %xmm4, %xmm3
|
|
|
|
add $16, %edi
|
|
jg L(nibble_ashr_3)
|
|
|
|
movdqa (%eax, %ecx), %xmm1
|
|
movdqa (%edx, %ecx), %xmm2
|
|
movdqa %xmm2, %xmm4
|
|
|
|
palignr $3, %xmm3, %xmm2
|
|
|
|
pcmpeqb %xmm1, %xmm0
|
|
pcmpeqb %xmm2, %xmm1
|
|
psubb %xmm0, %xmm1
|
|
pmovmskb %xmm1, %esi
|
|
sub $0xffff, %esi
|
|
jnz L(exit)
|
|
|
|
#ifdef USE_AS_STRNCMP
|
|
cmp $16, %ebp
|
|
lea -16(%ebp), %ebp
|
|
jbe L(more8byteseq)
|
|
#endif
|
|
add $16, %ecx
|
|
movdqa %xmm4, %xmm3
|
|
jmp L(loop_ashr_3)
|
|
|
|
.p2align 4
|
|
L(nibble_ashr_3):
|
|
pcmpeqb %xmm3, %xmm0
|
|
pmovmskb %xmm0, %esi
|
|
test $0xfff8, %esi
|
|
jnz L(ashr_3_exittail)
|
|
|
|
#ifdef USE_AS_STRNCMP
|
|
cmp $13, %ebp
|
|
jbe L(ashr_3_exittail)
|
|
#endif
|
|
pxor %xmm0, %xmm0
|
|
sub $0x1000, %edi
|
|
jmp L(gobble_ashr_3)
|
|
|
|
.p2align 4
|
|
L(ashr_3_exittail):
|
|
movdqa (%eax, %ecx), %xmm1
|
|
psrldq $3, %xmm0
|
|
psrldq $3, %xmm3
|
|
jmp L(aftertail)
|
|
|
|
/*
|
|
* The following cases will be handled by ashr_4
|
|
* ecx(offset of esi) eax(offset of edi) relative offset corresponding case
|
|
* n(12~15) n -12 3(15 +(n-12) - n) ashr_4
|
|
*/
|
|
.p2align 4
|
|
L(ashr_4):
|
|
mov $0xffff, %esi
|
|
pxor %xmm0, %xmm0
|
|
movdqa (%edx), %xmm2
|
|
movdqa (%eax), %xmm1
|
|
pcmpeqb %xmm1, %xmm0
|
|
pslldq $12, %xmm2
|
|
pcmpeqb %xmm1, %xmm2
|
|
psubb %xmm0, %xmm2
|
|
pmovmskb %xmm2, %edi
|
|
shr %cl, %esi
|
|
shr %cl, %edi
|
|
sub %edi, %esi
|
|
lea -12(%ecx), %edi
|
|
jnz L(less32bytes)
|
|
|
|
UPDATE_STRNCMP_COUNTER
|
|
|
|
movdqa (%edx), %xmm3
|
|
pxor %xmm0, %xmm0
|
|
mov $16, %ecx
|
|
or $4, %ebx
|
|
lea 4(%edx), %edi
|
|
and $0xfff, %edi
|
|
sub $0x1000, %edi
|
|
|
|
.p2align 4
|
|
L(loop_ashr_4):
|
|
add $16, %edi
|
|
jg L(nibble_ashr_4)
|
|
|
|
L(gobble_ashr_4):
|
|
movdqa (%eax, %ecx), %xmm1
|
|
movdqa (%edx, %ecx), %xmm2
|
|
movdqa %xmm2, %xmm4
|
|
|
|
palignr $4, %xmm3, %xmm2
|
|
|
|
pcmpeqb %xmm1, %xmm0
|
|
pcmpeqb %xmm2, %xmm1
|
|
psubb %xmm0, %xmm1
|
|
pmovmskb %xmm1, %esi
|
|
sub $0xffff, %esi
|
|
jnz L(exit)
|
|
|
|
#ifdef USE_AS_STRNCMP
|
|
cmp $16, %ebp
|
|
lea -16(%ebp), %ebp
|
|
jbe L(more8byteseq)
|
|
#endif
|
|
|
|
add $16, %ecx
|
|
movdqa %xmm4, %xmm3
|
|
|
|
add $16, %edi
|
|
jg L(nibble_ashr_4)
|
|
|
|
movdqa (%eax, %ecx), %xmm1
|
|
movdqa (%edx, %ecx), %xmm2
|
|
movdqa %xmm2, %xmm4
|
|
|
|
palignr $4, %xmm3, %xmm2
|
|
|
|
pcmpeqb %xmm1, %xmm0
|
|
pcmpeqb %xmm2, %xmm1
|
|
psubb %xmm0, %xmm1
|
|
pmovmskb %xmm1, %esi
|
|
sub $0xffff, %esi
|
|
jnz L(exit)
|
|
|
|
#ifdef USE_AS_STRNCMP
|
|
cmp $16, %ebp
|
|
lea -16(%ebp), %ebp
|
|
jbe L(more8byteseq)
|
|
#endif
|
|
|
|
add $16, %ecx
|
|
movdqa %xmm4, %xmm3
|
|
jmp L(loop_ashr_4)
|
|
|
|
.p2align 4
|
|
L(nibble_ashr_4):
|
|
pcmpeqb %xmm3, %xmm0
|
|
pmovmskb %xmm0, %esi
|
|
test $0xfff0, %esi
|
|
jnz L(ashr_4_exittail)
|
|
|
|
#ifdef USE_AS_STRNCMP
|
|
cmp $12, %ebp
|
|
jbe L(ashr_4_exittail)
|
|
#endif
|
|
|
|
pxor %xmm0, %xmm0
|
|
sub $0x1000, %edi
|
|
jmp L(gobble_ashr_4)
|
|
|
|
.p2align 4
|
|
L(ashr_4_exittail):
|
|
movdqa (%eax, %ecx), %xmm1
|
|
psrldq $4, %xmm0
|
|
psrldq $4, %xmm3
|
|
jmp L(aftertail)
|
|
|
|
/*
|
|
* The following cases will be handled by ashr_5
|
|
* ecx(offset of esi) eax(offset of edi) relative offset corresponding case
|
|
* n(11~15) n -11 4(15 +(n-11) - n) ashr_5
|
|
*/
|
|
.p2align 4
|
|
L(ashr_5):
|
|
mov $0xffff, %esi
|
|
pxor %xmm0, %xmm0
|
|
movdqa (%edx), %xmm2
|
|
movdqa (%eax), %xmm1
|
|
pcmpeqb %xmm1, %xmm0
|
|
pslldq $11, %xmm2
|
|
pcmpeqb %xmm1, %xmm2
|
|
psubb %xmm0, %xmm2
|
|
pmovmskb %xmm2, %edi
|
|
shr %cl, %esi
|
|
shr %cl, %edi
|
|
sub %edi, %esi
|
|
lea -11(%ecx), %edi
|
|
jnz L(less32bytes)
|
|
|
|
UPDATE_STRNCMP_COUNTER
|
|
|
|
movdqa (%edx), %xmm3
|
|
pxor %xmm0, %xmm0
|
|
mov $16, %ecx
|
|
or $5, %ebx
|
|
lea 5(%edx), %edi
|
|
and $0xfff, %edi
|
|
sub $0x1000, %edi
|
|
|
|
.p2align 4
|
|
L(loop_ashr_5):
|
|
add $16, %edi
|
|
jg L(nibble_ashr_5)
|
|
|
|
L(gobble_ashr_5):
|
|
movdqa (%eax, %ecx), %xmm1
|
|
movdqa (%edx, %ecx), %xmm2
|
|
movdqa %xmm2, %xmm4
|
|
|
|
palignr $5, %xmm3, %xmm2
|
|
|
|
pcmpeqb %xmm1, %xmm0
|
|
pcmpeqb %xmm2, %xmm1
|
|
psubb %xmm0, %xmm1
|
|
pmovmskb %xmm1, %esi
|
|
sub $0xffff, %esi
|
|
jnz L(exit)
|
|
|
|
#ifdef USE_AS_STRNCMP
|
|
cmp $16, %ebp
|
|
lea -16(%ebp), %ebp
|
|
jbe L(more8byteseq)
|
|
#endif
|
|
add $16, %ecx
|
|
movdqa %xmm4, %xmm3
|
|
|
|
add $16, %edi
|
|
jg L(nibble_ashr_5)
|
|
|
|
movdqa (%eax, %ecx), %xmm1
|
|
movdqa (%edx, %ecx), %xmm2
|
|
movdqa %xmm2, %xmm4
|
|
|
|
palignr $5, %xmm3, %xmm2
|
|
|
|
pcmpeqb %xmm1, %xmm0
|
|
pcmpeqb %xmm2, %xmm1
|
|
psubb %xmm0, %xmm1
|
|
pmovmskb %xmm1, %esi
|
|
sub $0xffff, %esi
|
|
jnz L(exit)
|
|
|
|
#ifdef USE_AS_STRNCMP
|
|
cmp $16, %ebp
|
|
lea -16(%ebp), %ebp
|
|
jbe L(more8byteseq)
|
|
#endif
|
|
add $16, %ecx
|
|
movdqa %xmm4, %xmm3
|
|
jmp L(loop_ashr_5)
|
|
|
|
.p2align 4
|
|
L(nibble_ashr_5):
|
|
pcmpeqb %xmm3, %xmm0
|
|
pmovmskb %xmm0, %esi
|
|
test $0xffe0, %esi
|
|
jnz L(ashr_5_exittail)
|
|
|
|
#ifdef USE_AS_STRNCMP
|
|
cmp $11, %ebp
|
|
jbe L(ashr_5_exittail)
|
|
#endif
|
|
pxor %xmm0, %xmm0
|
|
sub $0x1000, %edi
|
|
jmp L(gobble_ashr_5)
|
|
|
|
.p2align 4
|
|
L(ashr_5_exittail):
|
|
movdqa (%eax, %ecx), %xmm1
|
|
psrldq $5, %xmm0
|
|
psrldq $5, %xmm3
|
|
jmp L(aftertail)
|
|
|
|
/*
|
|
* The following cases will be handled by ashr_6
|
|
* ecx(offset of esi) eax(offset of edi) relative offset corresponding case
|
|
* n(10~15) n -10 5(15 +(n-10) - n) ashr_6
|
|
*/
|
|
|
|
.p2align 4
|
|
L(ashr_6):
|
|
mov $0xffff, %esi
|
|
pxor %xmm0, %xmm0
|
|
movdqa (%edx), %xmm2
|
|
movdqa (%eax), %xmm1
|
|
pcmpeqb %xmm1, %xmm0
|
|
pslldq $10, %xmm2
|
|
pcmpeqb %xmm1, %xmm2
|
|
psubb %xmm0, %xmm2
|
|
pmovmskb %xmm2, %edi
|
|
shr %cl, %esi
|
|
shr %cl, %edi
|
|
sub %edi, %esi
|
|
lea -10(%ecx), %edi
|
|
jnz L(less32bytes)
|
|
|
|
UPDATE_STRNCMP_COUNTER
|
|
|
|
movdqa (%edx), %xmm3
|
|
pxor %xmm0, %xmm0
|
|
mov $16, %ecx
|
|
or $6, %ebx
|
|
lea 6(%edx), %edi
|
|
and $0xfff, %edi
|
|
sub $0x1000, %edi
|
|
|
|
.p2align 4
|
|
L(loop_ashr_6):
|
|
add $16, %edi
|
|
jg L(nibble_ashr_6)
|
|
|
|
L(gobble_ashr_6):
|
|
movdqa (%eax, %ecx), %xmm1
|
|
movdqa (%edx, %ecx), %xmm2
|
|
movdqa %xmm2, %xmm4
|
|
|
|
palignr $6, %xmm3, %xmm2
|
|
|
|
pcmpeqb %xmm1, %xmm0
|
|
pcmpeqb %xmm2, %xmm1
|
|
psubb %xmm0, %xmm1
|
|
pmovmskb %xmm1, %esi
|
|
sub $0xffff, %esi
|
|
jnz L(exit)
|
|
|
|
#ifdef USE_AS_STRNCMP
|
|
cmp $16, %ebp
|
|
lea -16(%ebp), %ebp
|
|
jbe L(more8byteseq)
|
|
#endif
|
|
|
|
add $16, %ecx
|
|
movdqa %xmm4, %xmm3
|
|
|
|
add $16, %edi
|
|
jg L(nibble_ashr_6)
|
|
|
|
movdqa (%eax, %ecx), %xmm1
|
|
movdqa (%edx, %ecx), %xmm2
|
|
movdqa %xmm2, %xmm4
|
|
|
|
palignr $6, %xmm3, %xmm2
|
|
|
|
pcmpeqb %xmm1, %xmm0
|
|
pcmpeqb %xmm2, %xmm1
|
|
psubb %xmm0, %xmm1
|
|
pmovmskb %xmm1, %esi
|
|
sub $0xffff, %esi
|
|
jnz L(exit)
|
|
#ifdef USE_AS_STRNCMP
|
|
cmp $16, %ebp
|
|
lea -16(%ebp), %ebp
|
|
jbe L(more8byteseq)
|
|
#endif
|
|
|
|
add $16, %ecx
|
|
movdqa %xmm4, %xmm3
|
|
jmp L(loop_ashr_6)
|
|
|
|
.p2align 4
|
|
L(nibble_ashr_6):
|
|
pcmpeqb %xmm3, %xmm0
|
|
pmovmskb %xmm0, %esi
|
|
test $0xffc0, %esi
|
|
jnz L(ashr_6_exittail)
|
|
|
|
#ifdef USE_AS_STRNCMP
|
|
cmp $10, %ebp
|
|
jbe L(ashr_6_exittail)
|
|
#endif
|
|
pxor %xmm0, %xmm0
|
|
sub $0x1000, %edi
|
|
jmp L(gobble_ashr_6)
|
|
|
|
.p2align 4
|
|
L(ashr_6_exittail):
|
|
movdqa (%eax, %ecx), %xmm1
|
|
psrldq $6, %xmm0
|
|
psrldq $6, %xmm3
|
|
jmp L(aftertail)
|
|
|
|
/*
|
|
* The following cases will be handled by ashr_7
|
|
* ecx(offset of esi) eax(offset of edi) relative offset corresponding case
|
|
* n(9~15) n - 9 6(15 +(n-9) - n) ashr_7
|
|
*/
|
|
|
|
.p2align 4
|
|
L(ashr_7):
|
|
mov $0xffff, %esi
|
|
pxor %xmm0, %xmm0
|
|
movdqa (%edx), %xmm2
|
|
movdqa (%eax), %xmm1
|
|
pcmpeqb %xmm1, %xmm0
|
|
pslldq $9, %xmm2
|
|
pcmpeqb %xmm1, %xmm2
|
|
psubb %xmm0, %xmm2
|
|
pmovmskb %xmm2, %edi
|
|
shr %cl, %esi
|
|
shr %cl, %edi
|
|
sub %edi, %esi
|
|
lea -9(%ecx), %edi
|
|
jnz L(less32bytes)
|
|
|
|
UPDATE_STRNCMP_COUNTER
|
|
|
|
movdqa (%edx), %xmm3
|
|
pxor %xmm0, %xmm0
|
|
mov $16, %ecx
|
|
or $7, %ebx
|
|
lea 8(%edx), %edi
|
|
and $0xfff, %edi
|
|
sub $0x1000, %edi
|
|
|
|
.p2align 4
|
|
L(loop_ashr_7):
|
|
add $16, %edi
|
|
jg L(nibble_ashr_7)
|
|
|
|
L(gobble_ashr_7):
|
|
movdqa (%eax, %ecx), %xmm1
|
|
movdqa (%edx, %ecx), %xmm2
|
|
movdqa %xmm2, %xmm4
|
|
|
|
palignr $7, %xmm3, %xmm2
|
|
|
|
pcmpeqb %xmm1, %xmm0
|
|
pcmpeqb %xmm2, %xmm1
|
|
psubb %xmm0, %xmm1
|
|
pmovmskb %xmm1, %esi
|
|
sub $0xffff, %esi
|
|
jnz L(exit)
|
|
|
|
#ifdef USE_AS_STRNCMP
|
|
cmp $16, %ebp
|
|
lea -16(%ebp), %ebp
|
|
jbe L(more8byteseq)
|
|
#endif
|
|
|
|
add $16, %ecx
|
|
movdqa %xmm4, %xmm3
|
|
|
|
add $16, %edi
|
|
jg L(nibble_ashr_7)
|
|
|
|
movdqa (%eax, %ecx), %xmm1
|
|
movdqa (%edx, %ecx), %xmm2
|
|
movdqa %xmm2, %xmm4
|
|
|
|
palignr $7, %xmm3, %xmm2
|
|
|
|
pcmpeqb %xmm1, %xmm0
|
|
pcmpeqb %xmm2, %xmm1
|
|
psubb %xmm0, %xmm1
|
|
pmovmskb %xmm1, %esi
|
|
sub $0xffff, %esi
|
|
jnz L(exit)
|
|
|
|
#ifdef USE_AS_STRNCMP
|
|
cmp $16, %ebp
|
|
lea -16(%ebp), %ebp
|
|
jbe L(more8byteseq)
|
|
#endif
|
|
|
|
add $16, %ecx
|
|
movdqa %xmm4, %xmm3
|
|
jmp L(loop_ashr_7)
|
|
|
|
.p2align 4
|
|
L(nibble_ashr_7):
|
|
pcmpeqb %xmm3, %xmm0
|
|
pmovmskb %xmm0, %esi
|
|
test $0xff80, %esi
|
|
jnz L(ashr_7_exittail)
|
|
|
|
#ifdef USE_AS_STRNCMP
|
|
cmp $9, %ebp
|
|
jbe L(ashr_7_exittail)
|
|
#endif
|
|
pxor %xmm0, %xmm0
|
|
pxor %xmm0, %xmm0
|
|
sub $0x1000, %edi
|
|
jmp L(gobble_ashr_7)
|
|
|
|
.p2align 4
|
|
L(ashr_7_exittail):
|
|
movdqa (%eax, %ecx), %xmm1
|
|
psrldq $7, %xmm0
|
|
psrldq $7, %xmm3
|
|
jmp L(aftertail)
|
|
|
|
/*
|
|
* The following cases will be handled by ashr_8
|
|
* ecx(offset of esi) eax(offset of edi) relative offset corresponding case
|
|
* n(8~15) n - 8 7(15 +(n-8) - n) ashr_8
|
|
*/
|
|
.p2align 4
|
|
L(ashr_8):
|
|
mov $0xffff, %esi
|
|
pxor %xmm0, %xmm0
|
|
movdqa (%edx), %xmm2
|
|
movdqa (%eax), %xmm1
|
|
pcmpeqb %xmm1, %xmm0
|
|
pslldq $8, %xmm2
|
|
pcmpeqb %xmm1, %xmm2
|
|
psubb %xmm0, %xmm2
|
|
pmovmskb %xmm2, %edi
|
|
shr %cl, %esi
|
|
shr %cl, %edi
|
|
sub %edi, %esi
|
|
lea -8(%ecx), %edi
|
|
jnz L(less32bytes)
|
|
|
|
UPDATE_STRNCMP_COUNTER
|
|
|
|
movdqa (%edx), %xmm3
|
|
pxor %xmm0, %xmm0
|
|
mov $16, %ecx
|
|
or $8, %ebx
|
|
lea 8(%edx), %edi
|
|
and $0xfff, %edi
|
|
sub $0x1000, %edi
|
|
|
|
.p2align 4
|
|
L(loop_ashr_8):
|
|
add $16, %edi
|
|
jg L(nibble_ashr_8)
|
|
|
|
L(gobble_ashr_8):
|
|
movdqa (%eax, %ecx), %xmm1
|
|
movdqa (%edx, %ecx), %xmm2
|
|
movdqa %xmm2, %xmm4
|
|
|
|
palignr $8, %xmm3, %xmm2
|
|
|
|
pcmpeqb %xmm1, %xmm0
|
|
pcmpeqb %xmm2, %xmm1
|
|
psubb %xmm0, %xmm1
|
|
pmovmskb %xmm1, %esi
|
|
sub $0xffff, %esi
|
|
jnz L(exit)
|
|
|
|
#ifdef USE_AS_STRNCMP
|
|
cmp $16, %ebp
|
|
lea -16(%ebp), %ebp
|
|
jbe L(more8byteseq)
|
|
#endif
|
|
add $16, %ecx
|
|
movdqa %xmm4, %xmm3
|
|
|
|
add $16, %edi
|
|
jg L(nibble_ashr_8)
|
|
|
|
movdqa (%eax, %ecx), %xmm1
|
|
movdqa (%edx, %ecx), %xmm2
|
|
movdqa %xmm2, %xmm4
|
|
|
|
palignr $8, %xmm3, %xmm2
|
|
|
|
pcmpeqb %xmm1, %xmm0
|
|
pcmpeqb %xmm2, %xmm1
|
|
psubb %xmm0, %xmm1
|
|
pmovmskb %xmm1, %esi
|
|
sub $0xffff, %esi
|
|
jnz L(exit)
|
|
|
|
#ifdef USE_AS_STRNCMP
|
|
cmp $16, %ebp
|
|
lea -16(%ebp), %ebp
|
|
jbe L(more8byteseq)
|
|
#endif
|
|
add $16, %ecx
|
|
movdqa %xmm4, %xmm3
|
|
jmp L(loop_ashr_8)
|
|
|
|
.p2align 4
|
|
L(nibble_ashr_8):
|
|
pcmpeqb %xmm3, %xmm0
|
|
pmovmskb %xmm0, %esi
|
|
test $0xff00, %esi
|
|
jnz L(ashr_8_exittail)
|
|
|
|
#ifdef USE_AS_STRNCMP
|
|
cmp $8, %ebp
|
|
jbe L(ashr_8_exittail)
|
|
#endif
|
|
pxor %xmm0, %xmm0
|
|
pxor %xmm0, %xmm0
|
|
sub $0x1000, %edi
|
|
jmp L(gobble_ashr_8)
|
|
|
|
.p2align 4
|
|
L(ashr_8_exittail):
|
|
movdqa (%eax, %ecx), %xmm1
|
|
psrldq $8, %xmm0
|
|
psrldq $8, %xmm3
|
|
jmp L(aftertail)
|
|
|
|
/*
|
|
* The following cases will be handled by ashr_9
|
|
* ecx(offset of esi) eax(offset of edi) relative offset corresponding case
|
|
* n(7~15) n - 7 8(15 +(n-7) - n) ashr_9
|
|
*/
|
|
.p2align 4
|
|
L(ashr_9):
|
|
mov $0xffff, %esi
|
|
pxor %xmm0, %xmm0
|
|
movdqa (%edx), %xmm2
|
|
movdqa (%eax), %xmm1
|
|
pcmpeqb %xmm1, %xmm0
|
|
pslldq $7, %xmm2
|
|
pcmpeqb %xmm1, %xmm2
|
|
psubb %xmm0, %xmm2
|
|
pmovmskb %xmm2, %edi
|
|
shr %cl, %esi
|
|
shr %cl, %edi
|
|
sub %edi, %esi
|
|
lea -7(%ecx), %edi
|
|
jnz L(less32bytes)
|
|
|
|
UPDATE_STRNCMP_COUNTER
|
|
|
|
movdqa (%edx), %xmm3
|
|
pxor %xmm0, %xmm0
|
|
mov $16, %ecx
|
|
or $9, %ebx
|
|
lea 9(%edx), %edi
|
|
and $0xfff, %edi
|
|
sub $0x1000, %edi
|
|
|
|
.p2align 4
|
|
L(loop_ashr_9):
|
|
add $16, %edi
|
|
jg L(nibble_ashr_9)
|
|
|
|
L(gobble_ashr_9):
|
|
movdqa (%eax, %ecx), %xmm1
|
|
movdqa (%edx, %ecx), %xmm2
|
|
movdqa %xmm2, %xmm4
|
|
|
|
palignr $9, %xmm3, %xmm2
|
|
|
|
pcmpeqb %xmm1, %xmm0
|
|
pcmpeqb %xmm2, %xmm1
|
|
psubb %xmm0, %xmm1
|
|
pmovmskb %xmm1, %esi
|
|
sub $0xffff, %esi
|
|
jnz L(exit)
|
|
|
|
#ifdef USE_AS_STRNCMP
|
|
cmp $16, %ebp
|
|
lea -16(%ebp), %ebp
|
|
jbe L(more8byteseq)
|
|
#endif
|
|
add $16, %ecx
|
|
movdqa %xmm4, %xmm3
|
|
|
|
add $16, %edi
|
|
jg L(nibble_ashr_9)
|
|
|
|
movdqa (%eax, %ecx), %xmm1
|
|
movdqa (%edx, %ecx), %xmm2
|
|
movdqa %xmm2, %xmm4
|
|
|
|
palignr $9, %xmm3, %xmm2
|
|
|
|
pcmpeqb %xmm1, %xmm0
|
|
pcmpeqb %xmm2, %xmm1
|
|
psubb %xmm0, %xmm1
|
|
pmovmskb %xmm1, %esi
|
|
sub $0xffff, %esi
|
|
jnz L(exit)
|
|
|
|
#ifdef USE_AS_STRNCMP
|
|
cmp $16, %ebp
|
|
lea -16(%ebp), %ebp
|
|
jbe L(more8byteseq)
|
|
#endif
|
|
add $16, %ecx
|
|
movdqa %xmm4, %xmm3
|
|
jmp L(loop_ashr_9)
|
|
|
|
.p2align 4
|
|
L(nibble_ashr_9):
|
|
pcmpeqb %xmm3, %xmm0
|
|
pmovmskb %xmm0, %esi
|
|
test $0xfe00, %esi
|
|
jnz L(ashr_9_exittail)
|
|
|
|
#ifdef USE_AS_STRNCMP
|
|
cmp $7, %ebp
|
|
jbe L(ashr_9_exittail)
|
|
#endif
|
|
pxor %xmm0, %xmm0
|
|
sub $0x1000, %edi
|
|
jmp L(gobble_ashr_9)
|
|
|
|
.p2align 4
|
|
L(ashr_9_exittail):
|
|
movdqa (%eax, %ecx), %xmm1
|
|
psrldq $9, %xmm0
|
|
psrldq $9, %xmm3
|
|
jmp L(aftertail)
|
|
|
|
/*
|
|
* The following cases will be handled by ashr_10
|
|
* ecx(offset of esi) eax(offset of edi) relative offset corresponding case
|
|
* n(6~15) n - 6 9(15 +(n-6) - n) ashr_10
|
|
*/
|
|
.p2align 4
|
|
L(ashr_10):
|
|
mov $0xffff, %esi
|
|
pxor %xmm0, %xmm0
|
|
movdqa (%edx), %xmm2
|
|
movdqa (%eax), %xmm1
|
|
pcmpeqb %xmm1, %xmm0
|
|
pslldq $6, %xmm2
|
|
pcmpeqb %xmm1, %xmm2
|
|
psubb %xmm0, %xmm2
|
|
pmovmskb %xmm2, %edi
|
|
shr %cl, %esi
|
|
shr %cl, %edi
|
|
sub %edi, %esi
|
|
lea -6(%ecx), %edi
|
|
jnz L(less32bytes)
|
|
|
|
UPDATE_STRNCMP_COUNTER
|
|
|
|
movdqa (%edx), %xmm3
|
|
pxor %xmm0, %xmm0
|
|
mov $16, %ecx
|
|
or $10, %ebx
|
|
lea 10(%edx), %edi
|
|
and $0xfff, %edi
|
|
sub $0x1000, %edi
|
|
|
|
.p2align 4
|
|
L(loop_ashr_10):
|
|
add $16, %edi
|
|
jg L(nibble_ashr_10)
|
|
|
|
L(gobble_ashr_10):
|
|
movdqa (%eax, %ecx), %xmm1
|
|
movdqa (%edx, %ecx), %xmm2
|
|
movdqa %xmm2, %xmm4
|
|
|
|
palignr $10, %xmm3, %xmm2
|
|
|
|
pcmpeqb %xmm1, %xmm0
|
|
pcmpeqb %xmm2, %xmm1
|
|
psubb %xmm0, %xmm1
|
|
pmovmskb %xmm1, %esi
|
|
sub $0xffff, %esi
|
|
jnz L(exit)
|
|
|
|
#ifdef USE_AS_STRNCMP
|
|
cmp $16, %ebp
|
|
lea -16(%ebp), %ebp
|
|
jbe L(more8byteseq)
|
|
#endif
|
|
add $16, %ecx
|
|
movdqa %xmm4, %xmm3
|
|
|
|
add $16, %edi
|
|
jg L(nibble_ashr_10)
|
|
|
|
movdqa (%eax, %ecx), %xmm1
|
|
movdqa (%edx, %ecx), %xmm2
|
|
movdqa %xmm2, %xmm4
|
|
|
|
palignr $10, %xmm3, %xmm2
|
|
|
|
pcmpeqb %xmm1, %xmm0
|
|
pcmpeqb %xmm2, %xmm1
|
|
psubb %xmm0, %xmm1
|
|
pmovmskb %xmm1, %esi
|
|
sub $0xffff, %esi
|
|
jnz L(exit)
|
|
|
|
#ifdef USE_AS_STRNCMP
|
|
cmp $16, %ebp
|
|
lea -16(%ebp), %ebp
|
|
jbe L(more8byteseq)
|
|
#endif
|
|
add $16, %ecx
|
|
movdqa %xmm4, %xmm3
|
|
jmp L(loop_ashr_10)
|
|
|
|
.p2align 4
|
|
L(nibble_ashr_10):
|
|
pcmpeqb %xmm3, %xmm0
|
|
pmovmskb %xmm0, %esi
|
|
test $0xfc00, %esi
|
|
jnz L(ashr_10_exittail)
|
|
|
|
#ifdef USE_AS_STRNCMP
|
|
cmp $6, %ebp
|
|
jbe L(ashr_10_exittail)
|
|
#endif
|
|
pxor %xmm0, %xmm0
|
|
sub $0x1000, %edi
|
|
jmp L(gobble_ashr_10)
|
|
|
|
.p2align 4
|
|
L(ashr_10_exittail):
|
|
movdqa (%eax, %ecx), %xmm1
|
|
psrldq $10, %xmm0
|
|
psrldq $10, %xmm3
|
|
jmp L(aftertail)
|
|
|
|
/*
|
|
* The following cases will be handled by ashr_11
|
|
* ecx(offset of esi) eax(offset of edi) relative offset corresponding case
|
|
* n(5~15) n - 5 10(15 +(n-5) - n) ashr_11
|
|
*/
|
|
.p2align 4
|
|
L(ashr_11):
|
|
mov $0xffff, %esi
|
|
pxor %xmm0, %xmm0
|
|
movdqa (%edx), %xmm2
|
|
movdqa (%eax), %xmm1
|
|
pcmpeqb %xmm1, %xmm0
|
|
pslldq $5, %xmm2
|
|
pcmpeqb %xmm1, %xmm2
|
|
psubb %xmm0, %xmm2
|
|
pmovmskb %xmm2, %edi
|
|
shr %cl, %esi
|
|
shr %cl, %edi
|
|
sub %edi, %esi
|
|
lea -5(%ecx), %edi
|
|
jnz L(less32bytes)
|
|
|
|
UPDATE_STRNCMP_COUNTER
|
|
|
|
movdqa (%edx), %xmm3
|
|
pxor %xmm0, %xmm0
|
|
mov $16, %ecx
|
|
or $11, %ebx
|
|
lea 11(%edx), %edi
|
|
and $0xfff, %edi
|
|
sub $0x1000, %edi
|
|
|
|
.p2align 4
|
|
L(loop_ashr_11):
|
|
add $16, %edi
|
|
jg L(nibble_ashr_11)
|
|
|
|
L(gobble_ashr_11):
|
|
movdqa (%eax, %ecx), %xmm1
|
|
movdqa (%edx, %ecx), %xmm2
|
|
movdqa %xmm2, %xmm4
|
|
|
|
palignr $11, %xmm3, %xmm2
|
|
|
|
pcmpeqb %xmm1, %xmm0
|
|
pcmpeqb %xmm2, %xmm1
|
|
psubb %xmm0, %xmm1
|
|
pmovmskb %xmm1, %esi
|
|
sub $0xffff, %esi
|
|
jnz L(exit)
|
|
|
|
#ifdef USE_AS_STRNCMP
|
|
cmp $16, %ebp
|
|
lea -16(%ebp), %ebp
|
|
jbe L(more8byteseq)
|
|
#endif
|
|
add $16, %ecx
|
|
movdqa %xmm4, %xmm3
|
|
|
|
add $16, %edi
|
|
jg L(nibble_ashr_11)
|
|
|
|
movdqa (%eax, %ecx), %xmm1
|
|
movdqa (%edx, %ecx), %xmm2
|
|
movdqa %xmm2, %xmm4
|
|
|
|
palignr $11, %xmm3, %xmm2
|
|
|
|
pcmpeqb %xmm1, %xmm0
|
|
pcmpeqb %xmm2, %xmm1
|
|
psubb %xmm0, %xmm1
|
|
pmovmskb %xmm1, %esi
|
|
sub $0xffff, %esi
|
|
jnz L(exit)
|
|
|
|
#ifdef USE_AS_STRNCMP
|
|
cmp $16, %ebp
|
|
lea -16(%ebp), %ebp
|
|
jbe L(more8byteseq)
|
|
#endif
|
|
add $16, %ecx
|
|
movdqa %xmm4, %xmm3
|
|
jmp L(loop_ashr_11)
|
|
|
|
.p2align 4
|
|
L(nibble_ashr_11):
|
|
pcmpeqb %xmm3, %xmm0
|
|
pmovmskb %xmm0, %esi
|
|
test $0xf800, %esi
|
|
jnz L(ashr_11_exittail)
|
|
|
|
#ifdef USE_AS_STRNCMP
|
|
cmp $5, %ebp
|
|
jbe L(ashr_11_exittail)
|
|
#endif
|
|
pxor %xmm0, %xmm0
|
|
sub $0x1000, %edi
|
|
jmp L(gobble_ashr_11)
|
|
|
|
.p2align 4
|
|
L(ashr_11_exittail):
|
|
movdqa (%eax, %ecx), %xmm1
|
|
psrldq $11, %xmm0
|
|
psrldq $11, %xmm3
|
|
jmp L(aftertail)
|
|
|
|
/*
|
|
* The following cases will be handled by ashr_12
|
|
* ecx(offset of esi) eax(offset of edi) relative offset corresponding case
|
|
* n(4~15) n - 4 11(15 +(n-4) - n) ashr_12
|
|
*/
|
|
.p2align 4
|
|
L(ashr_12):
|
|
mov $0xffff, %esi
|
|
pxor %xmm0, %xmm0
|
|
movdqa (%edx), %xmm2
|
|
movdqa (%eax), %xmm1
|
|
pcmpeqb %xmm1, %xmm0
|
|
pslldq $4, %xmm2
|
|
pcmpeqb %xmm1, %xmm2
|
|
psubb %xmm0, %xmm2
|
|
pmovmskb %xmm2, %edi
|
|
shr %cl, %esi
|
|
shr %cl, %edi
|
|
sub %edi, %esi
|
|
lea -4(%ecx), %edi
|
|
jnz L(less32bytes)
|
|
|
|
UPDATE_STRNCMP_COUNTER
|
|
|
|
movdqa (%edx), %xmm3
|
|
pxor %xmm0, %xmm0
|
|
mov $16, %ecx
|
|
or $12, %ebx
|
|
lea 12(%edx), %edi
|
|
and $0xfff, %edi
|
|
sub $0x1000, %edi
|
|
|
|
.p2align 4
|
|
L(loop_ashr_12):
|
|
add $16, %edi
|
|
jg L(nibble_ashr_12)
|
|
|
|
L(gobble_ashr_12):
|
|
movdqa (%eax, %ecx), %xmm1
|
|
movdqa (%edx, %ecx), %xmm2
|
|
movdqa %xmm2, %xmm4
|
|
|
|
palignr $12, %xmm3, %xmm2
|
|
|
|
pcmpeqb %xmm1, %xmm0
|
|
pcmpeqb %xmm2, %xmm1
|
|
psubb %xmm0, %xmm1
|
|
pmovmskb %xmm1, %esi
|
|
sub $0xffff, %esi
|
|
jnz L(exit)
|
|
|
|
add $16, %ecx
|
|
movdqa %xmm4, %xmm3
|
|
|
|
add $16, %edi
|
|
jg L(nibble_ashr_12)
|
|
|
|
#ifdef USE_AS_STRNCMP
|
|
cmp $16, %ebp
|
|
lea -16(%ebp), %ebp
|
|
jbe L(more8byteseq)
|
|
#endif
|
|
movdqa (%eax, %ecx), %xmm1
|
|
movdqa (%edx, %ecx), %xmm2
|
|
movdqa %xmm2, %xmm4
|
|
|
|
palignr $12, %xmm3, %xmm2
|
|
|
|
pcmpeqb %xmm1, %xmm0
|
|
pcmpeqb %xmm2, %xmm1
|
|
psubb %xmm0, %xmm1
|
|
pmovmskb %xmm1, %esi
|
|
sub $0xffff, %esi
|
|
jnz L(exit)
|
|
|
|
#ifdef USE_AS_STRNCMP
|
|
cmp $16, %ebp
|
|
lea -16(%ebp), %ebp
|
|
jbe L(more8byteseq)
|
|
#endif
|
|
add $16, %ecx
|
|
movdqa %xmm4, %xmm3
|
|
jmp L(loop_ashr_12)
|
|
|
|
.p2align 4
|
|
L(nibble_ashr_12):
|
|
pcmpeqb %xmm3, %xmm0
|
|
pmovmskb %xmm0, %esi
|
|
test $0xf000, %esi
|
|
jnz L(ashr_12_exittail)
|
|
|
|
#ifdef USE_AS_STRNCMP
|
|
cmp $4, %ebp
|
|
jbe L(ashr_12_exittail)
|
|
#endif
|
|
pxor %xmm0, %xmm0
|
|
sub $0x1000, %edi
|
|
jmp L(gobble_ashr_12)
|
|
|
|
.p2align 4
|
|
L(ashr_12_exittail):
|
|
movdqa (%eax, %ecx), %xmm1
|
|
psrldq $12, %xmm0
|
|
psrldq $12, %xmm3
|
|
jmp L(aftertail)
|
|
|
|
/*
|
|
* The following cases will be handled by ashr_13
|
|
* ecx(offset of esi) eax(offset of edi) relative offset corresponding case
|
|
* n(3~15) n - 3 12(15 +(n-3) - n) ashr_13
|
|
*/
|
|
.p2align 4
|
|
L(ashr_13):
|
|
mov $0xffff, %esi
|
|
pxor %xmm0, %xmm0
|
|
movdqa (%edx), %xmm2
|
|
movdqa (%eax), %xmm1
|
|
pcmpeqb %xmm1, %xmm0
|
|
pslldq $3, %xmm2
|
|
pcmpeqb %xmm1, %xmm2
|
|
psubb %xmm0, %xmm2
|
|
pmovmskb %xmm2, %edi
|
|
shr %cl, %esi
|
|
shr %cl, %edi
|
|
sub %edi, %esi
|
|
lea -3(%ecx), %edi
|
|
jnz L(less32bytes)
|
|
|
|
UPDATE_STRNCMP_COUNTER
|
|
|
|
movdqa (%edx), %xmm3
|
|
pxor %xmm0, %xmm0
|
|
mov $16, %ecx
|
|
or $13, %ebx
|
|
lea 13(%edx), %edi
|
|
and $0xfff, %edi
|
|
sub $0x1000, %edi
|
|
|
|
.p2align 4
|
|
L(loop_ashr_13):
|
|
add $16, %edi
|
|
jg L(nibble_ashr_13)
|
|
|
|
L(gobble_ashr_13):
|
|
movdqa (%eax, %ecx), %xmm1
|
|
movdqa (%edx, %ecx), %xmm2
|
|
movdqa %xmm2, %xmm4
|
|
|
|
palignr $13, %xmm3, %xmm2
|
|
|
|
pcmpeqb %xmm1, %xmm0
|
|
pcmpeqb %xmm2, %xmm1
|
|
psubb %xmm0, %xmm1
|
|
pmovmskb %xmm1, %esi
|
|
sub $0xffff, %esi
|
|
jnz L(exit)
|
|
|
|
#ifdef USE_AS_STRNCMP
|
|
cmp $16, %ebp
|
|
lea -16(%ebp), %ebp
|
|
jbe L(more8byteseq)
|
|
#endif
|
|
add $16, %ecx
|
|
movdqa %xmm4, %xmm3
|
|
|
|
add $16, %edi
|
|
jg L(nibble_ashr_13)
|
|
|
|
movdqa (%eax, %ecx), %xmm1
|
|
movdqa (%edx, %ecx), %xmm2
|
|
movdqa %xmm2, %xmm4
|
|
|
|
palignr $13, %xmm3, %xmm2
|
|
|
|
pcmpeqb %xmm1, %xmm0
|
|
pcmpeqb %xmm2, %xmm1
|
|
psubb %xmm0, %xmm1
|
|
pmovmskb %xmm1, %esi
|
|
sub $0xffff, %esi
|
|
jnz L(exit)
|
|
|
|
#ifdef USE_AS_STRNCMP
|
|
cmp $16, %ebp
|
|
lea -16(%ebp), %ebp
|
|
jbe L(more8byteseq)
|
|
#endif
|
|
add $16, %ecx
|
|
movdqa %xmm4, %xmm3
|
|
jmp L(loop_ashr_13)
|
|
|
|
.p2align 4
|
|
L(nibble_ashr_13):
|
|
pcmpeqb %xmm3, %xmm0
|
|
pmovmskb %xmm0, %esi
|
|
test $0xe000, %esi
|
|
jnz L(ashr_13_exittail)
|
|
|
|
#ifdef USE_AS_STRNCMP
|
|
cmp $3, %ebp
|
|
jbe L(ashr_13_exittail)
|
|
#endif
|
|
pxor %xmm0, %xmm0
|
|
sub $0x1000, %edi
|
|
jmp L(gobble_ashr_13)
|
|
|
|
.p2align 4
|
|
L(ashr_13_exittail):
|
|
movdqa (%eax, %ecx), %xmm1
|
|
psrldq $13, %xmm0
|
|
psrldq $13, %xmm3
|
|
jmp L(aftertail)
|
|
|
|
/*
|
|
* The following cases will be handled by ashr_14
|
|
* ecx(offset of esi) eax(offset of edi) relative offset corresponding case
|
|
* n(2~15) n - 2 13(15 +(n-2) - n) ashr_14
|
|
*/
|
|
.p2align 4
|
|
L(ashr_14):
|
|
mov $0xffff, %esi
|
|
pxor %xmm0, %xmm0
|
|
movdqa (%edx), %xmm2
|
|
movdqa (%eax), %xmm1
|
|
pcmpeqb %xmm1, %xmm0
|
|
pslldq $2, %xmm2
|
|
pcmpeqb %xmm1, %xmm2
|
|
psubb %xmm0, %xmm2
|
|
pmovmskb %xmm2, %edi
|
|
shr %cl, %esi
|
|
shr %cl, %edi
|
|
sub %edi, %esi
|
|
lea -2(%ecx), %edi
|
|
jnz L(less32bytes)
|
|
|
|
UPDATE_STRNCMP_COUNTER
|
|
|
|
movdqa (%edx), %xmm3
|
|
pxor %xmm0, %xmm0
|
|
mov $16, %ecx
|
|
or $14, %ebx
|
|
lea 14(%edx), %edi
|
|
and $0xfff, %edi
|
|
sub $0x1000, %edi
|
|
|
|
.p2align 4
|
|
L(loop_ashr_14):
|
|
add $16, %edi
|
|
jg L(nibble_ashr_14)
|
|
|
|
L(gobble_ashr_14):
|
|
movdqa (%eax, %ecx), %xmm1
|
|
movdqa (%edx, %ecx), %xmm2
|
|
movdqa %xmm2, %xmm4
|
|
|
|
palignr $14, %xmm3, %xmm2
|
|
|
|
pcmpeqb %xmm1, %xmm0
|
|
pcmpeqb %xmm2, %xmm1
|
|
psubb %xmm0, %xmm1
|
|
pmovmskb %xmm1, %esi
|
|
sub $0xffff, %esi
|
|
jnz L(exit)
|
|
|
|
#ifdef USE_AS_STRNCMP
|
|
cmp $16, %ebp
|
|
lea -16(%ebp), %ebp
|
|
jbe L(more8byteseq)
|
|
#endif
|
|
add $16, %ecx
|
|
movdqa %xmm4, %xmm3
|
|
|
|
add $16, %edi
|
|
jg L(nibble_ashr_14)
|
|
|
|
movdqa (%eax, %ecx), %xmm1
|
|
movdqa (%edx, %ecx), %xmm2
|
|
movdqa %xmm2, %xmm4
|
|
|
|
palignr $14, %xmm3, %xmm2
|
|
|
|
pcmpeqb %xmm1, %xmm0
|
|
pcmpeqb %xmm2, %xmm1
|
|
psubb %xmm0, %xmm1
|
|
pmovmskb %xmm1, %esi
|
|
sub $0xffff, %esi
|
|
jnz L(exit)
|
|
|
|
#ifdef USE_AS_STRNCMP
|
|
cmp $16, %ebp
|
|
lea -16(%ebp), %ebp
|
|
jbe L(more8byteseq)
|
|
#endif
|
|
add $16, %ecx
|
|
movdqa %xmm4, %xmm3
|
|
jmp L(loop_ashr_14)
|
|
|
|
.p2align 4
|
|
L(nibble_ashr_14):
|
|
pcmpeqb %xmm3, %xmm0
|
|
pmovmskb %xmm0, %esi
|
|
test $0xc000, %esi
|
|
jnz L(ashr_14_exittail)
|
|
|
|
#ifdef USE_AS_STRNCMP
|
|
cmp $2, %ebp
|
|
jbe L(ashr_14_exittail)
|
|
#endif
|
|
pxor %xmm0, %xmm0
|
|
sub $0x1000, %edi
|
|
jmp L(gobble_ashr_14)
|
|
|
|
.p2align 4
|
|
L(ashr_14_exittail):
|
|
movdqa (%eax, %ecx), %xmm1
|
|
psrldq $14, %xmm0
|
|
psrldq $14, %xmm3
|
|
jmp L(aftertail)
|
|
|
|
/*
|
|
* The following cases will be handled by ashr_14
|
|
* ecx(offset of esi) eax(offset of edi) relative offset corresponding case
|
|
* n(1~15) n - 1 14(15 +(n-1) - n) ashr_15
|
|
*/
|
|
|
|
.p2align 4
|
|
L(ashr_15):
|
|
mov $0xffff, %esi
|
|
pxor %xmm0, %xmm0
|
|
movdqa (%edx), %xmm2
|
|
movdqa (%eax), %xmm1
|
|
pcmpeqb %xmm1, %xmm0
|
|
pslldq $1, %xmm2
|
|
pcmpeqb %xmm1, %xmm2
|
|
psubb %xmm0, %xmm2
|
|
pmovmskb %xmm2, %edi
|
|
shr %cl, %esi
|
|
shr %cl, %edi
|
|
sub %edi, %esi
|
|
lea -1(%ecx), %edi
|
|
jnz L(less32bytes)
|
|
|
|
UPDATE_STRNCMP_COUNTER
|
|
|
|
movdqa (%edx), %xmm3
|
|
pxor %xmm0, %xmm0
|
|
mov $16, %ecx
|
|
or $15, %ebx
|
|
lea 15(%edx), %edi
|
|
and $0xfff, %edi
|
|
sub $0x1000, %edi
|
|
|
|
.p2align 4
|
|
L(loop_ashr_15):
|
|
add $16, %edi
|
|
jg L(nibble_ashr_15)
|
|
|
|
L(gobble_ashr_15):
|
|
movdqa (%eax, %ecx), %xmm1
|
|
movdqa (%edx, %ecx), %xmm2
|
|
movdqa %xmm2, %xmm4
|
|
|
|
palignr $15, %xmm3, %xmm2
|
|
|
|
pcmpeqb %xmm1, %xmm0
|
|
pcmpeqb %xmm2, %xmm1
|
|
psubb %xmm0, %xmm1
|
|
pmovmskb %xmm1, %esi
|
|
sub $0xffff, %esi
|
|
jnz L(exit)
|
|
|
|
#ifdef USE_AS_STRNCMP
|
|
cmp $16, %ebp
|
|
lea -16(%ebp), %ebp
|
|
jbe L(more8byteseq)
|
|
#endif
|
|
add $16, %ecx
|
|
movdqa %xmm4, %xmm3
|
|
|
|
add $16, %edi
|
|
jg L(nibble_ashr_15)
|
|
|
|
movdqa (%eax, %ecx), %xmm1
|
|
movdqa (%edx, %ecx), %xmm2
|
|
movdqa %xmm2, %xmm4
|
|
|
|
palignr $15, %xmm3, %xmm2
|
|
|
|
pcmpeqb %xmm1, %xmm0
|
|
pcmpeqb %xmm2, %xmm1
|
|
psubb %xmm0, %xmm1
|
|
pmovmskb %xmm1, %esi
|
|
sub $0xffff, %esi
|
|
jnz L(exit)
|
|
|
|
#ifdef USE_AS_STRNCMP
|
|
cmp $16, %ebp
|
|
lea -16(%ebp), %ebp
|
|
jbe L(more8byteseq)
|
|
#endif
|
|
add $16, %ecx
|
|
movdqa %xmm4, %xmm3
|
|
jmp L(loop_ashr_15)
|
|
|
|
.p2align 4
|
|
L(nibble_ashr_15):
|
|
pcmpeqb %xmm3, %xmm0
|
|
pmovmskb %xmm0, %esi
|
|
test $0x8000, %esi
|
|
jnz L(ashr_15_exittail)
|
|
|
|
#ifdef USE_AS_STRNCMP
|
|
cmp $1, %ebp
|
|
jbe L(ashr_15_exittail)
|
|
#endif
|
|
pxor %xmm0, %xmm0
|
|
sub $0x1000, %edi
|
|
jmp L(gobble_ashr_15)
|
|
|
|
.p2align 4
|
|
L(ashr_15_exittail):
|
|
movdqa (%eax, %ecx), %xmm1
|
|
psrldq $15, %xmm0
|
|
psrldq $15, %xmm3
|
|
jmp L(aftertail)
|
|
|
|
.p2align 4
|
|
L(aftertail):
|
|
pcmpeqb %xmm3, %xmm1
|
|
psubb %xmm0, %xmm1
|
|
pmovmskb %xmm1, %esi
|
|
not %esi
|
|
L(exit):
|
|
mov %ebx, %edi
|
|
and $0x1f, %edi
|
|
lea -16(%edi, %ecx), %edi
|
|
L(less32bytes):
|
|
add %edi, %edx
|
|
add %ecx, %eax
|
|
test $0x20, %ebx
|
|
jz L(ret2)
|
|
xchg %eax, %edx
|
|
|
|
.p2align 4
|
|
L(ret2):
|
|
mov %esi, %ecx
|
|
POP (%esi)
|
|
POP (%edi)
|
|
POP (%ebx)
|
|
L(less16bytes):
|
|
test %cl, %cl
|
|
jz L(2next_8_bytes)
|
|
|
|
test $0x01, %cl
|
|
jnz L(Byte0)
|
|
|
|
test $0x02, %cl
|
|
jnz L(Byte1)
|
|
|
|
test $0x04, %cl
|
|
jnz L(Byte2)
|
|
|
|
test $0x08, %cl
|
|
jnz L(Byte3)
|
|
|
|
test $0x10, %cl
|
|
jnz L(Byte4)
|
|
|
|
test $0x20, %cl
|
|
jnz L(Byte5)
|
|
|
|
test $0x40, %cl
|
|
jnz L(Byte6)
|
|
#ifdef USE_AS_STRNCMP
|
|
cmp $7, %ebp
|
|
jbe L(eq)
|
|
#endif
|
|
|
|
movzx 7(%eax), %ecx
|
|
movzx 7(%edx), %eax
|
|
|
|
sub %ecx, %eax
|
|
RETURN
|
|
|
|
.p2align 4
|
|
L(Byte0):
|
|
#ifdef USE_AS_STRNCMP
|
|
cmp $0, %ebp
|
|
jbe L(eq)
|
|
#endif
|
|
movzx (%eax), %ecx
|
|
movzx (%edx), %eax
|
|
|
|
sub %ecx, %eax
|
|
RETURN
|
|
|
|
.p2align 4
|
|
L(Byte1):
|
|
#ifdef USE_AS_STRNCMP
|
|
cmp $1, %ebp
|
|
jbe L(eq)
|
|
#endif
|
|
movzx 1(%eax), %ecx
|
|
movzx 1(%edx), %eax
|
|
|
|
sub %ecx, %eax
|
|
RETURN
|
|
|
|
.p2align 4
|
|
L(Byte2):
|
|
#ifdef USE_AS_STRNCMP
|
|
cmp $2, %ebp
|
|
jbe L(eq)
|
|
#endif
|
|
movzx 2(%eax), %ecx
|
|
movzx 2(%edx), %eax
|
|
|
|
sub %ecx, %eax
|
|
RETURN
|
|
|
|
.p2align 4
|
|
L(Byte3):
|
|
#ifdef USE_AS_STRNCMP
|
|
cmp $3, %ebp
|
|
jbe L(eq)
|
|
#endif
|
|
movzx 3(%eax), %ecx
|
|
movzx 3(%edx), %eax
|
|
|
|
sub %ecx, %eax
|
|
RETURN
|
|
|
|
.p2align 4
|
|
L(Byte4):
|
|
#ifdef USE_AS_STRNCMP
|
|
cmp $4, %ebp
|
|
jbe L(eq)
|
|
#endif
|
|
movzx 4(%eax), %ecx
|
|
movzx 4(%edx), %eax
|
|
|
|
sub %ecx, %eax
|
|
RETURN
|
|
|
|
.p2align 4
|
|
L(Byte5):
|
|
#ifdef USE_AS_STRNCMP
|
|
cmp $5, %ebp
|
|
jbe L(eq)
|
|
#endif
|
|
movzx 5(%eax), %ecx
|
|
movzx 5(%edx), %eax
|
|
|
|
sub %ecx, %eax
|
|
RETURN
|
|
|
|
.p2align 4
|
|
L(Byte6):
|
|
#ifdef USE_AS_STRNCMP
|
|
cmp $6, %ebp
|
|
jbe L(eq)
|
|
#endif
|
|
movzx 6(%eax), %ecx
|
|
movzx 6(%edx), %eax
|
|
|
|
sub %ecx, %eax
|
|
RETURN
|
|
|
|
.p2align 4
|
|
L(2next_8_bytes):
|
|
add $8, %eax
|
|
add $8, %edx
|
|
#ifdef USE_AS_STRNCMP
|
|
cmp $8, %ebp
|
|
lea -8(%ebp), %ebp
|
|
jbe L(eq)
|
|
#endif
|
|
|
|
test $0x01, %ch
|
|
jnz L(Byte0)
|
|
|
|
test $0x02, %ch
|
|
jnz L(Byte1)
|
|
|
|
test $0x04, %ch
|
|
jnz L(Byte2)
|
|
|
|
test $0x08, %ch
|
|
jnz L(Byte3)
|
|
|
|
test $0x10, %ch
|
|
jnz L(Byte4)
|
|
|
|
test $0x20, %ch
|
|
jnz L(Byte5)
|
|
|
|
test $0x40, %ch
|
|
jnz L(Byte6)
|
|
|
|
#ifdef USE_AS_STRNCMP
|
|
cmp $7, %ebp
|
|
jbe L(eq)
|
|
#endif
|
|
movzx 7(%eax), %ecx
|
|
movzx 7(%edx), %eax
|
|
|
|
sub %ecx, %eax
|
|
RETURN
|
|
|
|
.p2align 4
|
|
L(neq):
|
|
mov $1, %eax
|
|
ja L(neq_bigger)
|
|
neg %eax
|
|
L(neq_bigger):
|
|
RETURN
|
|
|
|
#ifdef USE_AS_STRNCMP
|
|
CFI_PUSH (%ebx)
|
|
CFI_PUSH (%edi)
|
|
CFI_PUSH (%esi)
|
|
|
|
.p2align 4
|
|
L(more8byteseq):
|
|
POP (%esi)
|
|
POP (%edi)
|
|
POP (%ebx)
|
|
#endif
|
|
|
|
L(eq):
|
|
|
|
#ifdef USE_AS_STRNCMP
|
|
POP (%ebp)
|
|
#endif
|
|
xorl %eax, %eax
|
|
ret
|
|
|
|
#ifdef USE_AS_STRNCMP
|
|
CFI_PUSH (%ebp)
|
|
|
|
.p2align 4
|
|
L(less16bytes_sncmp):
|
|
test %ebp, %ebp
|
|
jz L(eq)
|
|
|
|
movzbl (%eax), %ecx
|
|
cmpb %cl, (%edx)
|
|
jne L(neq)
|
|
test %cl, %cl
|
|
je L(eq)
|
|
|
|
cmp $1, %ebp
|
|
je L(eq)
|
|
|
|
movzbl 1(%eax), %ecx
|
|
cmpb %cl, 1(%edx)
|
|
jne L(neq)
|
|
test %cl, %cl
|
|
je L(eq)
|
|
|
|
cmp $2, %ebp
|
|
je L(eq)
|
|
|
|
movzbl 2(%eax), %ecx
|
|
cmpb %cl, 2(%edx)
|
|
jne L(neq)
|
|
test %cl, %cl
|
|
je L(eq)
|
|
|
|
cmp $3, %ebp
|
|
je L(eq)
|
|
|
|
movzbl 3(%eax), %ecx
|
|
cmpb %cl, 3(%edx)
|
|
jne L(neq)
|
|
test %cl, %cl
|
|
je L(eq)
|
|
|
|
cmp $4, %ebp
|
|
je L(eq)
|
|
|
|
movzbl 4(%eax), %ecx
|
|
cmpb %cl, 4(%edx)
|
|
jne L(neq)
|
|
test %cl, %cl
|
|
je L(eq)
|
|
|
|
cmp $5, %ebp
|
|
je L(eq)
|
|
|
|
movzbl 5(%eax), %ecx
|
|
cmpb %cl, 5(%edx)
|
|
jne L(neq)
|
|
test %cl, %cl
|
|
je L(eq)
|
|
|
|
cmp $6, %ebp
|
|
je L(eq)
|
|
|
|
movzbl 6(%eax), %ecx
|
|
cmpb %cl, 6(%edx)
|
|
jne L(neq)
|
|
test %cl, %cl
|
|
je L(eq)
|
|
|
|
cmp $7, %ebp
|
|
je L(eq)
|
|
|
|
movzbl 7(%eax), %ecx
|
|
cmpb %cl, 7(%edx)
|
|
jne L(neq)
|
|
test %cl, %cl
|
|
je L(eq)
|
|
|
|
|
|
cmp $8, %ebp
|
|
je L(eq)
|
|
|
|
movzbl 8(%eax), %ecx
|
|
cmpb %cl, 8(%edx)
|
|
jne L(neq)
|
|
test %cl, %cl
|
|
je L(eq)
|
|
|
|
cmp $9, %ebp
|
|
je L(eq)
|
|
|
|
movzbl 9(%eax), %ecx
|
|
cmpb %cl, 9(%edx)
|
|
jne L(neq)
|
|
test %cl, %cl
|
|
je L(eq)
|
|
|
|
cmp $10, %ebp
|
|
je L(eq)
|
|
|
|
movzbl 10(%eax), %ecx
|
|
cmpb %cl, 10(%edx)
|
|
jne L(neq)
|
|
test %cl, %cl
|
|
je L(eq)
|
|
|
|
cmp $11, %ebp
|
|
je L(eq)
|
|
|
|
movzbl 11(%eax), %ecx
|
|
cmpb %cl, 11(%edx)
|
|
jne L(neq)
|
|
test %cl, %cl
|
|
je L(eq)
|
|
|
|
|
|
cmp $12, %ebp
|
|
je L(eq)
|
|
|
|
movzbl 12(%eax), %ecx
|
|
cmpb %cl, 12(%edx)
|
|
jne L(neq)
|
|
test %cl, %cl
|
|
je L(eq)
|
|
|
|
cmp $13, %ebp
|
|
je L(eq)
|
|
|
|
movzbl 13(%eax), %ecx
|
|
cmpb %cl, 13(%edx)
|
|
jne L(neq)
|
|
test %cl, %cl
|
|
je L(eq)
|
|
|
|
cmp $14, %ebp
|
|
je L(eq)
|
|
|
|
movzbl 14(%eax), %ecx
|
|
cmpb %cl, 14(%edx)
|
|
jne L(neq)
|
|
test %cl, %cl
|
|
je L(eq)
|
|
|
|
cmp $15, %ebp
|
|
je L(eq)
|
|
|
|
movzbl 15(%eax), %ecx
|
|
cmpb %cl, 15(%edx)
|
|
jne L(neq)
|
|
test %cl, %cl
|
|
je L(eq)
|
|
|
|
POP (%ebp)
|
|
xor %eax, %eax
|
|
ret
|
|
#endif
|
|
|
|
END (ssse3_strcmp_latest)
|