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