2020-06-16 13:38:43 +00:00
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/*-*- mode:unix-assembly; indent-tabs-mode:t; tab-width:8; coding:utf-8 -*-│
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2020-06-15 14:18:57 +00:00
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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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│ This program is free software; you can redistribute it and/or modify │
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│ it under the terms of the GNU General Public License as published by │
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│ the Free Software Foundation; version 2 of the License. │
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│ │
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│ This program is distributed in the hope that it will be useful, but │
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│ 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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│ General Public License for more details. │
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│ │
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│ You should have received a copy of the GNU General Public License │
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│ along with this program; if not, write to the Free Software │
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│ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA │
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│ 02110-1301 USA │
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╚─────────────────────────────────────────────────────────────────────────────*/
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#include "libc/macros.h"
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2020-06-16 02:01:28 +00:00
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.source __FILE__
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2020-06-15 14:18:57 +00:00
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tinymath_ceil:
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.leafprologue
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.profilable
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movsd .Llol(%rip),%xmm1
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movsd .Lcat(%rip),%xmm2
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andpd %xmm0,%xmm1
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comisd %xmm1,%xmm2
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jbe 1f
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cvttsd2siq %xmm0,%rax
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pxor %xmm1,%xmm1
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movsd .Lmog(%rip),%xmm2
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cvtsi2sdq %rax,%xmm1
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cmpnlesd %xmm1,%xmm0
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andpd %xmm2,%xmm0
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addsd %xmm1,%xmm0
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1: .leafepilogue
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.endfn tinymath_ceil,globl
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.alias tinymath_ceil,ceil
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.rodata.cst16
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.Llol: .long 4294967295
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.long 2147483647
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.long 0
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.long 0
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.rodata.cst8
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.Lcat: .long 0
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.long 1127219200
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.Lmog: .long 0
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.long 1072693248
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/ vroundsd $_MM_FROUND_TO_POS_INF|_MM_FROUND_NO_EXC,%xmm0,%xmm0,%xmm0
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