2012-11-25 17:13:44 -05:00
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#! /bin/sh
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#
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# Copyright 2000 Free Software Foundation, Inc.
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#
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# This file is part of the GNU MP Library.
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#
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# The GNU MP Library is free software; you can redistribute it and/or modify
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# it under the terms of the GNU Lesser General Public License as published
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# by the Free Software Foundation; either version 2.1 of the License, or (at
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# your option) any later version.
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#
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# The GNU MP Library is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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# or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
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# License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public License
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# along with the GNU MP Library; see the file COPYING.LIB. If not, write to
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# the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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# MA 02110-1301, USA.
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# Usage: cd $(builddir)/mpn
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# $(srcdir)/x86/t-zdisp.sh
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#
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# Run the Zdisp() macro instructions through the assembler to check
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# the encodings used. Mismatches are printed, no output means all ok.
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#
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# This program is only meant for use during development. It can be
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# run in the mpn build directory of any x86 configuration.
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#
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# For this test the assembler needs to generate byte sized 0
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# displacements when given something like 0(%eax). Recent versions of
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# gas are suitable (eg. 2.9.x or 2.10.x).
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set -e
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cat >tmp-zdisptest.asm <<\EOF
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include(`../config.m4')
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dnl Redefine Zdisp_match to output its pattern and encoding.
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define(`Zdisp_match',
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`define(`Zdisp_found',1)dnl
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ifelse(`$2',0,` $1 $2$3, $4')`'dnl
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ifelse(`$3',0,` $1 $2, $3$4')`'dnl
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.byte $5
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')
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.text
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Zdisp()
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EOF
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m4 tmp-zdisptest.asm >tmp-zdisptest.s
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as -o tmp-zdisptest.o tmp-zdisptest.s
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# Demand duplicates from the instruction patterns and byte encodings.
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objdump -d tmp-zdisptest.o | awk '
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/^ *[a-z0-9]+:/ {
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sub(/^ *[a-z0-9]+:/,"")
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print
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}' | sort | uniq -u
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