88 lines
2.4 KiB
ArmAsm
88 lines
2.4 KiB
ArmAsm
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/*
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Copyright (c) 2014, 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 STRCAT
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# define STRCAT strcat
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#endif
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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 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 USE_AS_STRCAT
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.text
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ENTRY (STRCAT)
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mov %rdi, %r9
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#ifdef USE_AS_STRNCAT
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mov %rdx, %r8
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#endif
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#define RETURN jmp L(Strcpy)
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#include "sse2-strlen-slm.S"
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#undef RETURN
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#define RETURN ret
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L(Strcpy):
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lea (%r9, %rax), %rdi
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mov %rsi, %rcx
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mov %r9, %rax /* save result */
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#ifdef USE_AS_STRNCAT
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test %r8, %r8
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jz L(ExitZero)
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# define USE_AS_STRNCPY
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#endif
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#include "sse2-strcpy-slm.S"
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