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Add check for pre-AVX2 gcc versions on x86

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Martin Kroeker 2020-11-27 10:04:45 +01:00 committed by GitHub
parent 0f863f96e4
commit 18a5520a3e
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1 changed files with 12 additions and 0 deletions
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c_check
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@ -229,6 +229,16 @@ $architecture = zarch if ($data =~ /ARCH_ZARCH/);
$binformat = bin32;
$binformat = bin64 if ($data =~ /BINARY_64/);
if ($compiler eq "GCC" &&( ($architecture eq "x86") || ($architecture eq "x86_64"))) {
$no_avx2 = 0;
$no_fma = 0;
$data = `$compiler_name -dumpversion`;
if ($data <= 4.6) {
$no_avx2 = 1;
$no_fma = 1;
}
}
$no_avx512= 0;
if (($architecture eq "x86") || ($architecture eq "x86_64")) {
eval "use File::Temp qw(tempfile)";
@ -368,6 +378,8 @@ print MAKEFILE "CEXTRALIB=$linker_L $linker_l $linker_a\n";
print MAKEFILE "HAVE_MSA=1\n" if $have_msa eq 1;
print MAKEFILE "MSA_FLAGS=$msa_flags\n" if $have_msa eq 1;
print MAKEFILE "NO_AVX512=1\n" if $no_avx512 eq 1;
print MAKEFILE "NO_AVX2=1\n" if $no_avx2 eq 1;
print MAKEFILE "NO_FMA=1\n" if $no_fma eq 1;
$os =~ tr/[a-z]/[A-Z]/;
$architecture =~ tr/[a-z]/[A-Z]/;