libstdc++-v3/scripts/check_simd

   1 #!/bin/sh
   2
   3 # check_simd <srcdir> <builddir> <CXXFLAGS>
   4 # Read config from $CHECK_SIMD_CONFIG file or $target_list
   5
   6 scriptdir="$(cd "${0%/*}" && pwd)"
   7 srcdir="$1"
   8 builddir="$2"
   9 shift 2
  10 testdir="$builddir/testsuite"
  11
  12 CXX="$("$builddir/scripts/testsuite_flags" --build-cxx)"
  13 CXXFLAGS="$("$builddir/scripts/testsuite_flags" --cxxflags) $1 -Wno-psabi"
  14 shift
  15 INCLUDES="$("$builddir/scripts/testsuite_flags" --build-includes)"
  16
  17 target_triplet=$($CXX -dumpmachine)
  18
  19 define_target() {
  20   name="$1"
  21   flags="$2"
  22   sim="$3"
  23   eval "$name=\"flags=\\\"$flags\\\"
  24 sim=\\\"$sim\\\"\""
  25 }
  26
  27 if [ -f "$CHECK_SIMD_CONFIG" ]; then
  28   . "$CHECK_SIMD_CONFIG"
  29 elif [ -z "$CHECK_SIMD_CONFIG" ]; then
  30   if [ -z "$target_list" ]; then
  31     target_list="unix"
  32     case "$target_triplet" in
  33       x86_64-*)      target_list="unix/-march=native" ;;
  34       i?86-*)        target_list="unix/-march=native" ;;
  35       powerpc64le-*) target_list="unix/-mcpu=power8" ;;
  36       aarch64-*)     target_list="unix/-mcpu=cortex-a53" ;;
  37       arm-*)         target_list="unix/-mcpu=cortex-a7" ;;
  38     esac
  39   fi
  40 else
  41   echo "Error: File not found: \$CHECK_SIMD_CONFIG='$CHECK_SIMD_CONFIG'" 1>&2
  42   exit 1
  43 fi
  44
  45 # define unix with no flags and no simulator:
  46 define_target unix
  47
  48 list="$target_list"
  49
  50 # expand a{b,c} to a/b a/c
  51 while [ "${list#*\{}" != "${list}" ]; do
  52   list="$(echo "$list" | \
  53     sed -e 's#\([^ ]\+\){\([^{},]*\),\([^{}]*\)}\(/[^ ]*\)\?#\1/\2\4 \1{\3}\4#g' \
  54         -e 's#{\([^{},]*\)}#/\1#g' \
  55         -e 's#/ # #g' -e 's#/$##')"
  56 done
  57
  58 # per a/b/c block extract flags and simulator, then make check-simd
  59 while [ ${#list} -gt 0 ]; do
  60   a="${list%% *}"
  61   if [ "$a" = "$list" ]; then
  62     list=""
  63   else
  64     list="${list#${a} }"
  65   fi
  66   b="${a%%/*}"
  67   eval "eval \"\$$b\""
  68   flags="${flags}$(echo "${a#${b}}"|sed 's#/# #g')"
  69   subdir="simd/$(echo "$flags" | sed 's#[= /-]##g')"
  70   rm -f "${subdir}/Makefile"
  71   $srcdir/testsuite/experimental/simd/generate_makefile.sh \
  72     --destination="$testdir/$subdir" --sim="$sim" --testflags="$flags" \
  73     $CXX $INCLUDES $CXXFLAGS -static-libgcc -static-libstdc++
  74   echo "$subdir"
  75 done