46 lines
2.3 KiB
ArmAsm
46 lines
2.3 KiB
ArmAsm
/*-*- mode:unix-assembly; indent-tabs-mode:t; tab-width:8; coding:utf-8 -*-│
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│vi: set et ft=asm ts=8 tw=8 fenc=utf-8 :vi│
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╞══════════════════════════════════════════════════════════════════════════════╡
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│ Copyright 2020 Justine Alexandra Roberts Tunney │
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│ │
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│ Permission to use, copy, modify, and/or distribute this software for │
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│ any purpose with or without fee is hereby granted, provided that the │
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│ above copyright notice and this permission notice appear in all copies. │
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│ │
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│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
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│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
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│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
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│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
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│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
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│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
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│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
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│ PERFORMANCE OF THIS SOFTWARE. │
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╚─────────────────────────────────────────────────────────────────────────────*/
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#include "libc/macros.h"
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/ Compares 32-bit signed integers.
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/
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/ @param rdi points to left integer
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/ @param rsi points to right integer
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/ @return <0, 0, or >0 based on comparison
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.align 16
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cmpsl: .leafprologue
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.profilable
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xor %eax,%eax
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cmpsl
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/ mov (%rdi),%edi
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/ mov (%rsi),%esi
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/ cmp %edi,%esi
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setl %al
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cmovg .Lneg1(%rip),%eax
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.leafepilogue
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.endfn cmpsl,globl
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.rodata.cst4
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.Lone: .long 1
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.endobj .Lone
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.Lneg1: .long -1
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.endobj .Lneg1
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.previous
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.source __FILE__
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