1#! /bin/sh 2# 3# Copyright 2000 Free Software Foundation, Inc. 4# 5# This file is part of the GNU MP Library. 6# 7# The GNU MP Library is free software; you can redistribute it and/or modify 8# it under the terms of either: 9# 10# * the GNU Lesser General Public License as published by the Free 11# Software Foundation; either version 3 of the License, or (at your 12# option) any later version. 13# 14# or 15# 16# * the GNU General Public License as published by the Free Software 17# Foundation; either version 2 of the License, or (at your option) any 18# later version. 19# 20# or both in parallel, as here. 21# 22# The GNU MP Library is distributed in the hope that it will be useful, but 23# WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 24# or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 25# for more details. 26# 27# You should have received copies of the GNU General Public License and the 28# GNU Lesser General Public License along with the GNU MP Library. If not, 29# see https://www.gnu.org/licenses/. 30 31 32# Usage: cd $(builddir)/mpn 33# $(srcdir)/x86/t-zdisp.sh 34# 35# Run the Zdisp() macro instructions through the assembler to check 36# the encodings used. Mismatches are printed, no output means all ok. 37# 38# This program is only meant for use during development. It can be 39# run in the mpn build directory of any x86 configuration. 40# 41# For this test the assembler needs to generate byte sized 0 42# displacements when given something like 0(%eax). Recent versions of 43# gas are suitable (eg. 2.9.x or 2.10.x). 44 45set -e 46 47cat >tmp-zdisptest.asm <<\EOF 48 49include(`../config.m4') 50 51dnl Redefine Zdisp_match to output its pattern and encoding. 52define(`Zdisp_match', 53`define(`Zdisp_found',1)dnl 54ifelse(`$2',0,` $1 $2$3, $4')`'dnl 55ifelse(`$3',0,` $1 $2, $3$4')`'dnl 56 57 .byte $5 58') 59 .text 60 Zdisp() 61EOF 62 63m4 tmp-zdisptest.asm >tmp-zdisptest.s 64as -o tmp-zdisptest.o tmp-zdisptest.s 65 66# Demand duplicates from the instruction patterns and byte encodings. 67objdump -d tmp-zdisptest.o | awk ' 68/^ *[a-z0-9]+:/ { 69 sub(/^ *[a-z0-9]+:/,"") 70 print 71}' | sort | uniq -u 72