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loongarch: Refine build control for loongarch64.

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1. Use getauxval instead of cpucfg to test hardware capability.
2. Remove unnecessary code and option for compiler check in c_check.
This commit is contained in:
Shiyou Yin
2023-11-15 16:54:06 +08:00
parent f745f02f35
commit 1310a0931b
4 changed files with 21 additions and 24 deletions
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6
c_check.pl
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@@ -241,8 +241,7 @@ if (($architecture eq "loongarch64")) {
} else {
$tmplsx = new File::Temp( SUFFIX => '.c' , UNLINK => 1 );
$codelsx = '"vadd.b $vr0, $vr0, $vr0"';
$lsx_flags = "-march=loongarch64 -mlsx";
print $tmplsx "#include <lsxintrin.h>\n\n";
$lsx_flags = "-march=loongarch64";
print $tmplsx "void main(void){ __asm__ volatile($codelsx); }\n";
$args = "$lsx_flags -o $tmplsx.o $tmplsx";
@@ -257,8 +256,7 @@ if (($architecture eq "loongarch64")) {
$tmplasx = new File::Temp( SUFFIX => '.c' , UNLINK => 1 );
$codelasx = '"xvadd.b $xr0, $xr0, $xr0"';
$lasx_flags = "-march=loongarch64 -mlasx";
print $tmplasx "#include <lasxintrin.h>\n\n";
$lasx_flags = "-march=loongarch64";
print $tmplasx "void main(void){ __asm__ volatile($codelasx); }\n";
$args = "$lasx_flags -o $tmplasx.o $tmplasx";