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      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 
     45 set -e
     46 
     47 cat >tmp-zdisptest.asm <<\EOF
     48 
     49 include(`../config.m4')
     50 
     51 dnl  Redefine Zdisp_match to output its pattern and encoding.
     52 define(`Zdisp_match',
     53 `define(`Zdisp_found',1)dnl
     54 ifelse(`$2',0,`	$1	$2$3, $4')`'dnl
     55 ifelse(`$3',0,`	$1	$2, $3$4')`'dnl
     56 
     57 	.byte	$5
     58 ')
     59 	.text
     60 	Zdisp()
     61 EOF
     62 
     63 m4 tmp-zdisptest.asm >tmp-zdisptest.s
     64 as -o tmp-zdisptest.o tmp-zdisptest.s
     65 
     66 # Demand duplicates from the instruction patterns and byte encodings.
     67 objdump -d tmp-zdisptest.o | awk '
     68 /^ *[a-z0-9]+:/ {
     69 	sub(/^ *[a-z0-9]+:/,"")
     70         print
     71 }' | sort | uniq -u
     72