diff options
Diffstat (limited to 'src/crypto/modes/asm/ghash-x86_64.pl')
-rw-r--r-- | src/crypto/modes/asm/ghash-x86_64.pl | 24 |
1 files changed, 18 insertions, 6 deletions
diff --git a/src/crypto/modes/asm/ghash-x86_64.pl b/src/crypto/modes/asm/ghash-x86_64.pl index e42ca32..5a7ce39 100644 --- a/src/crypto/modes/asm/ghash-x86_64.pl +++ b/src/crypto/modes/asm/ghash-x86_64.pl @@ -90,12 +90,24 @@ $0 =~ m/(.*[\/\\])[^\/\\]+$/; $dir=$1; ( $xlate="${dir}../../perlasm/x86_64-xlate.pl" and -f $xlate) or die "can't locate x86_64-xlate.pl"; -# In upstream, this is controlled by shelling out to the compiler to check -# versions, but BoringSSL is intended to be used with pre-generated perlasm -# output, so this isn't useful anyway. -# -# TODO(davidben): Enable this after testing. $avx goes up to 2. -$avx = 0; +if (`$ENV{CC} -Wa,-v -c -o /dev/null -x assembler /dev/null 2>&1` + =~ /GNU assembler version ([2-9]\.[0-9]+)/) { + $avx = ($1>=2.19) + ($1>=2.22); +} + +if (!$avx && $win64 && ($flavour =~ /nasm/ || $ENV{ASM} =~ /nasm/) && + `nasm -v 2>&1` =~ /NASM version ([2-9]\.[0-9]+)/) { + $avx = ($1>=2.09) + ($1>=2.10); +} + +if (!$avx && $win64 && ($flavour =~ /masm/ || $ENV{ASM} =~ /ml64/) && + `ml64 2>&1` =~ /Version ([0-9]+)\./) { + $avx = ($1>=10) + ($1>=11); +} + +if (!$avx && `$ENV{CC} -v 2>&1` =~ /(^clang version|based on LLVM) ([3-9]\.[0-9]+)/) { + $avx = ($2>=3.0) + ($2>3.0); +} open OUT,"| \"$^X\" $xlate $flavour $output"; *STDOUT=*OUT; |