/*-*- mode:unix-assembly; indent-tabs-mode:t; tab-width:8; coding:utf-8 -*-│ │vi: set et ft=asm ts=8 tw=8 fenc=utf-8 :vi│ ╞══════════════════════════════════════════════════════════════════════════════╡ │ Copyright 2020 Justine Alexandra Roberts Tunney │ │ │ │ Permission to use, copy, modify, and/or distribute this software for │ │ any purpose with or without fee is hereby granted, provided that the │ │ above copyright notice and this permission notice appear in all copies. │ │ │ │ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │ │ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │ │ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │ │ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │ │ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │ │ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │ │ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │ │ PERFORMANCE OF THIS SOFTWARE. │ ╚─────────────────────────────────────────────────────────────────────────────*/ #include "libc/macros.h" .source __FILE__ tinymath_floorf: .leafprologue .profilable movss .LC8(%rip),%xmm1 andps %xmm0,%xmm1 movss .LC7(%rip),%xmm2 comiss %xmm1,%xmm2 jbe 1f cvttss2si %xmm0,%eax pxor %xmm1,%xmm1 movss .LC3(%rip),%xmm2 cvtsi2ss %eax,%xmm1 movaps %xmm1,%xmm3 cmpnless %xmm0,%xmm3 movaps %xmm3,%xmm0 andps %xmm2,%xmm0 subss %xmm0,%xmm1 movaps %xmm1,%xmm0 1: .leafepilogue .endfn tinymath_floorf,globl .alias tinymath_floorf,floorf .rodata.cst4 .LC3: .float 1.0 .LC7: .long 0x4b000000 .rodata.cst16 .LC8: .long 2147483647,0,0,0