Standalone AVX512 compatibility test to inform building getarch

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Martin Kroeker 2022-03-16 23:01:43 +01:00 committed by GitHub
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commit afba0665ad
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avx512_check Normal file
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#!/usr/bin/env perl
#use File::Basename;
# use File::Temp qw(tempfile);
# Checking cross compile
$hostos = `uname -s | sed -e s/\-.*//`; chop($hostos);
$hostarch = `uname -m | sed -e s/i.86/x86/`;
$hostarch = `uname -p` if ($hostos eq "AIX" || $hostos eq "SunOS");
chop($hostarch);
$hostarch = "x86_64" if ($hostarch eq "amd64");
$hostarch = "arm" if ($hostarch ne "arm64" && $hostarch =~ /^arm.*/);
$hostarch = "arm64" if ($hostarch eq "aarch64");
$hostarch = "power" if ($hostarch =~ /^(powerpc|ppc).*/);
$hostarch = "zarch" if ($hostarch eq "s390x");
#$tmpf = new File::Temp( UNLINK => 1 );
$binary = $ENV{"BINARY"};
$compiler_name = shift(@ARGV);
$flags = join(" ", @ARGV);
# First, we need to know the target OS and compiler name
$data = `$compiler_name $flags -E ctest.c`;
$compiler = "";
$compiler = LSB if ($data =~ /COMPILER_LSB/);
$compiler = CLANG if ($data =~ /COMPILER_CLANG/);
$compiler = PGI if ($data =~ /COMPILER_PGI/);
$compiler = PATHSCALE if ($data =~ /COMPILER_PATHSCALE/);
$compiler = INTEL if ($data =~ /COMPILER_INTEL/);
$compiler = OPEN64 if ($data =~ /COMPILER_OPEN64/);
$compiler = SUN if ($data =~ /COMPILER_SUN/);
$compiler = IBM if ($data =~ /COMPILER_IBM/);
$compiler = DEC if ($data =~ /COMPILER_DEC/);
$compiler = GCC if ($compiler eq "");
$os = Linux if ($data =~ /OS_LINUX/);
$os = FreeBSD if ($data =~ /OS_FREEBSD/);
$os = NetBSD if ($data =~ /OS_NETBSD/);
$os = OpenBSD if ($data =~ /OS_OPENBSD/);
$os = DragonFly if ($data =~ /OS_DRAGONFLY/);
$os = Darwin if ($data =~ /OS_DARWIN/);
$os = SunOS if ($data =~ /OS_SUNOS/);
$os = AIX if ($data =~ /OS_AIX/);
$os = osf if ($data =~ /OS_OSF/);
$os = WINNT if ($data =~ /OS_WINNT/);
$os = CYGWIN_NT if ($data =~ /OS_CYGWIN_NT/);
$os = Interix if ($data =~ /OS_INTERIX/);
$os = Android if ($data =~ /OS_ANDROID/);
$os = Haiku if ($data =~ /OS_HAIKU/);
$architecture = x86 if ($data =~ /ARCH_X86/);
$architecture = x86_64 if ($data =~ /ARCH_X86_64/);
$architecture = e2k if ($data =~ /ARCH_E2K/);
$architecture = power if ($data =~ /ARCH_POWER/);
$architecture = mips if ($data =~ /ARCH_MIPS/);
$architecture = mips64 if ($data =~ /ARCH_MIPS64/);
$architecture = alpha if ($data =~ /ARCH_ALPHA/);
$architecture = sparc if ($data =~ /ARCH_SPARC/);
$architecture = ia64 if ($data =~ /ARCH_IA64/);
$architecture = arm if ($data =~ /ARCH_ARM/);
$architecture = arm64 if ($data =~ /ARCH_ARM64/);
$architecture = zarch if ($data =~ /ARCH_ZARCH/);
$architecture = riscv64 if ($data =~ /ARCH_RISCV64/);
$architecture = loongarch64 if ($data =~ /ARCH_LOONGARCH64/);
$defined = 0;
if ($os eq "AIX") {
$compiler_name .= " -maix32" if ($binary eq "32");
$compiler_name .= " -maix64" if ($binary eq "64");
$defined = 1;
}
if ($compiler eq "PGI") {
$compiler_name .= " -tp p7" if ($binary eq "32");
$compiler_name .= " -tp p7-64" if ($binary eq "64");
$openmp = "-mp";
$defined = 1;
}
if ($compiler eq "IBM") {
$compiler_name .= " -q32" if ($binary eq "32");
$compiler_name .= " -q64" if ($binary eq "64");
$openmp = "-qsmp=omp";
$defined = 1;
}
if ($compiler eq "INTEL") {
$openmp = "-openmp";
}
if ($compiler eq "PATHSCALE") {
$openmp = "-mp";
}
if ($compiler eq "OPEN64") {
$openmp = "-mp";
}
if ($compiler eq "CLANG") {
$openmp = "-fopenmp";
}
if ($compiler eq "GCC" || $compiler eq "LSB") {
$openmp = "-fopenmp";
}
if ($defined == 0) {
$compiler_name .= " -m32" if ($binary eq "32");
$compiler_name .= " -m64" if ($binary eq "64");
}
# Do again
$data = `$compiler_name $flags -E ctest.c`;
$architecture = x86 if ($data =~ /ARCH_X86/);
$architecture = x86_64 if ($data =~ /ARCH_X86_64/);
$no_avx512= 0;
if (($architecture eq "x86") || ($architecture eq "x86_64")) {
eval "use File::Temp qw(tempfile)";
if ($@){
$no_avx512 = 0;
} else {
($fh,$tmpf) = tempfile( SUFFIX => '.c' , UNLINK => 0 );
$code = '"vbroadcastss -4 * 4(%rsi), %zmm2"';
print $fh "#include <immintrin.h>\n\nint main(void){ __asm__ volatile($code); }\n";
$args = " -march=skylake-avx512 -v -c -o $tmpf.o $tmpf";
if ($compiler eq "PGI") {
$args = " -tp skylake -c -o $tmpf.o $tmpf";
}
my @cmd = ("$compiler_name $flags $args >null 2>noll");
system(@cmd) == 0;
if ($? != 0) {
$no_avx512 = 1;
} else {
$no_avx512 = 0;
}
unlink("$tmpf.o");
}
print $no_avx512;
}
exit $no_avx512;