diff options
Diffstat (limited to 'gmp/mpn/x86/t-zdisp.sh')
| -rwxr-xr-x | gmp/mpn/x86/t-zdisp.sh | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/gmp/mpn/x86/t-zdisp.sh b/gmp/mpn/x86/t-zdisp.sh new file mode 100755 index 0000000000..61efdd6c4f --- /dev/null +++ b/gmp/mpn/x86/t-zdisp.sh @@ -0,0 +1,71 @@ +#! /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 |