diff --git a/c_check b/c_check index a3b337602..dfe99350a 100644 --- a/c_check +++ b/c_check @@ -201,6 +201,21 @@ $architecture = zarch if ($data =~ /ARCH_ZARCH/); $binformat = bin32; $binformat = bin64 if ($data =~ /BINARY_64/); +$no_avx512= 0; +if (($architecture eq "x86") || ($architecture eq "x86_64")) { + $code = '"vaddps %zmm1, %zmm0, %zmm0"'; + print $tmpf "void main(void){ __asm__ volatile($code); }\n"; + $args = " -o $tmpf.o -x c $tmpf"; + my @cmd = ("$compiler_name $args"); + system(@cmd) == 0; + if ($? != 0) { + $no_avx512 = 1; + } else { + $no_avx512 = 0; + } + unlink("tmpf.o"); +} + $data = `$compiler_name -S ctest1.c && grep globl ctest1.s | head -n 1 && rm -f ctest1.s`; $data =~ /globl\s([_\.]*)(.*)/; @@ -288,6 +303,7 @@ print MAKEFILE "CROSS=1\n" if $cross != 0; print MAKEFILE "CEXTRALIB=$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; $os =~ tr/[a-z]/[A-Z]/; $architecture =~ tr/[a-z]/[A-Z]/;