diff options
Diffstat (limited to 'src/crypto/bn/asm/x86_64-mont5.pl')
| -rw-r--r-- | src/crypto/bn/asm/x86_64-mont5.pl | 20 |
1 files changed, 14 insertions, 6 deletions
diff --git a/src/crypto/bn/asm/x86_64-mont5.pl b/src/crypto/bn/asm/x86_64-mont5.pl index 38def07..80e9126 100644 --- a/src/crypto/bn/asm/x86_64-mont5.pl +++ b/src/crypto/bn/asm/x86_64-mont5.pl @@ -38,12 +38,20 @@ die "can't locate x86_64-xlate.pl"; open OUT,"| \"$^X\" $xlate $flavour $output"; *STDOUT=*OUT; -# 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. $addx goes up to 1. -$addx = 0; +if (`$ENV{CC} -Wa,-v -c -o /dev/null -x assembler /dev/null 2>&1` + =~ /GNU assembler version ([2-9]\.[0-9]+)/) { + $addx = ($1>=2.23); +} + +if (!$addx && $win64 && ($flavour =~ /nasm/ || $ENV{ASM} =~ /nasm/) && + `nasm -v 2>&1` =~ /NASM version ([2-9]\.[0-9]+)/) { + $addx = ($1>=2.10); +} + +if (!$addx && $win64 && ($flavour =~ /masm/ || $ENV{ASM} =~ /ml64/) && + `ml64 2>&1` =~ /Version ([0-9]+)\./) { + $addx = ($1>=12); +} # int bn_mul_mont_gather5( $rp="%rdi"; # BN_ULONG *rp, |