libsamplerate/src/check_asm.sh

   1 #!/bin/sh
   2
   3 # Copyright (C) 2004-2011 Erik de Castro Lopo <erikd@mega-nerd.com>
   4 #
   5 # This program is free software; you can redistribute it and/or modify
   6 # it under the terms of the GNU General Public License as published by
   7 # the Free Software Foundation; either version 2 of the License, or
   8 # (at your option) any later version.
   9 #
  10 # This program is distributed in the hope that it will be useful,
  11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 # GNU General Public License for more details.
  14 #
  15 # You should have received a copy of the GNU General Public License
  16 # along with this program; if not, write to the Free Software
  17 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
  18
  19 #=======================================================================
  20 # This short test script compiles the file src_sinc.c into assembler
  21 # output and the greps the assembler output for the fldcw (FPU Load
  22 # Control Word) instruction which is very detrimental to the perfromance
  23 # of floating point code.
  24
  25 echo -n "    Checking assembler output for bad code : "
  26
  27 if [ $# -ne 1 ]; then
  28         echo "Error : Need the name of the input file."
  29         exit 1
  30         fi
  31
  32 filename=$1
  33
  34 if [ ! -f $filename ];then
  35         echo "Error : Can't find file $filename."
  36         exit 1
  37         fi
  38
  39 count=`grep fldcw $filename | wc -l`
  40
  41 if [ $count -gt 0 ]; then
  42         echo -e "\n\nError : found $count bad instructions.\n\n"
  43         exit 1
  44         fi
  45
  46 echo "ok"
  47