Skip to content

Make c_check robust against old or incomplete perl installations #2000

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
merged 1 commit into from
Feb 5, 2019
Merged

Make c_check robust against old or incomplete perl installations #2000

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
85 changes: 56 additions & 29 deletions c_check
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -1,7 +1,7 @@
#!/usr/bin/perl

use File::Basename;
use File::Temp qw(tempfile);
#use File::Basename;
# use File::Temp qw(tempfile);

# Checking cross compile
$hostos = `uname -s | sed -e s/\-.*//`; chop($hostos);
Expand All @@ -12,7 +12,7 @@ $hostarch = "arm64" if ($hostarch eq "aarch64");
$hostarch = "power" if ($hostarch =~ /^(powerpc|ppc).*/);
$hostarch = "zarch" if ($hostarch eq "s390x");

$tmpf = new File::Temp( UNLINK => 1 );
#$tmpf = new File::Temp( UNLINK => 1 );
$binary = $ENV{"BINARY"};

$makefile = shift(@ARGV);
Expand All @@ -31,12 +31,25 @@ if ($?) {

$cross_suffix = "";

if (dirname($compiler_name) ne ".") {
$cross_suffix .= dirname($compiler_name) . "/";
}
eval "use File::Basename";
if ($@){
warn "could not load PERL module File::Basename, emulating its functionality";
my $dirnam = substr($compiler_name, 0, rindex($compiler_name, "/")-1 );
if ($dirnam ne ".") {
$cross_suffix .= $dirnam . "/";
}
my $basnam = substr($compiler_name, rindex($compiler_name,"/")+1, length($compiler_name)-rindex($compiler_name,"/")-1);
if ($basnam =~ /([^\s]*-)(.*)/) {
$cross_suffix .= $1;
}
} else {
if (dirname($compiler_name) ne ".") {
$cross_suffix .= dirname($compiler_name) . "/";
}

if (basename($compiler_name) =~ /([^\s]*-)(.*)/) {
$cross_suffix .= $1;
if (basename($compiler_name) =~ /([^\s]*-)(.*)/) {
$cross_suffix .= $1;
}
}

$compiler = "";
Expand Down Expand Up @@ -171,20 +184,26 @@ if ($?) {

$have_msa = 0;
if (($architecture eq "mips") || ($architecture eq "mips64")) {
$code = '"addvi.b $w0, $w1, 1"';
$msa_flags = "-mmsa -mfp64 -msched-weight -mload-store-pairs";
print $tmpf "#include <msa.h>\n\n";
print $tmpf "void main(void){ __asm__ volatile($code); }\n";

$args = "$msa_flags -o $tmpf.o -x c $tmpf";
my @cmd = ("$compiler_name $args");
system(@cmd) == 0;
if ($? != 0) {
$have_msa = 0;
eval "use File::Temp qw(tempfile)";
if ($@){
warn "could not load PERL module File::Temp, so could not check MSA capatibility";
} else {
$have_msa = 1;
$tmpf = new File::Temp( UNLINK => 1 );
$code = '"addvi.b $w0, $w1, 1"';
$msa_flags = "-mmsa -mfp64 -msched-weight -mload-store-pairs";
print $tmpf "#include <msa.h>\n\n";
print $tmpf "void main(void){ __asm__ volatile($code); }\n";

$args = "$msa_flags -o $tmpf.o -x c $tmpf";
my @cmd = ("$compiler_name $args");
system(@cmd) == 0;
if ($? != 0) {
$have_msa = 0;
} else {
$have_msa = 1;
}
unlink("$tmpf.o");
}
unlink("$tmpf.o");
}

$architecture = x86 if ($data =~ /ARCH_X86/);
Expand All @@ -204,17 +223,25 @@ $binformat = bin64 if ($data =~ /BINARY_64/);

$no_avx512= 0;
if (($architecture eq "x86") || ($architecture eq "x86_64")) {
$code = '"vbroadcastss -4 * 4(%rsi), %zmm2"';
print $tmpf "#include <immintrin.h>\n\nint main(void){ __asm__ volatile($code); }\n";
$args = " -march=skylake-avx512 -o $tmpf.o -x c $tmpf";
my @cmd = ("$compiler_name $args >/dev/null 2>/dev/null");
system(@cmd) == 0;
if ($? != 0) {
$no_avx512 = 1;
} else {
eval "use File::Temp qw(tempfile)";
if ($@){
warn "could not load PERL module File::Temp, so could not check compiler compatibility with AVX512";
$no_avx512 = 0;
} else {
# $tmpf = new File::Temp( UNLINK => 1 );
($fh,$tmpf) = tempfile( UNLINK => 1 );
$code = '"vbroadcastss -4 * 4(%rsi), %zmm2"';
print $tmpf "#include <immintrin.h>\n\nint main(void){ __asm__ volatile($code); }\n";
$args = " -march=skylake-avx512 -o $tmpf.o -x c $tmpf";
my @cmd = ("$compiler_name $args >/dev/null 2>/dev/null");
system(@cmd) == 0;
if ($? != 0) {
$no_avx512 = 1;
} else {
$no_avx512 = 0;
}
unlink("tmpf.o");
}
unlink("tmpf.o");
}

$data = `$compiler_name -S ctest1.c && grep globl ctest1.s | head -n 1 && rm -f ctest1.s`;
Expand Down