diff options
Diffstat (limited to 'src/crypto/sha/asm/sha1-586.pl')
-rw-r--r-- | src/crypto/sha/asm/sha1-586.pl | 25 |
1 files changed, 14 insertions, 11 deletions
diff --git a/src/crypto/sha/asm/sha1-586.pl b/src/crypto/sha/asm/sha1-586.pl index 09fd3fc..e0b5d83 100644 --- a/src/crypto/sha/asm/sha1-586.pl +++ b/src/crypto/sha/asm/sha1-586.pl @@ -118,20 +118,23 @@ require "x86asm.pl"; $xmm=$ymm=0; for (@ARGV) { $xmm=1 if (/-DOPENSSL_IA32_SSE2/); } -# 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. $ymm goes up to 1. -$ymm = 0; +$ymm=1 if ($xmm && + `$ENV{CC} -Wa,-v -c -o /dev/null -x assembler /dev/null 2>&1` + =~ /GNU assembler version ([2-9]\.[0-9]+)/ && + $1>=2.19); # first version supporting AVX -$ymm = 0 unless ($xmm); +$ymm=1 if ($xmm && !$ymm && $ARGV[0] eq "win32n" && + `nasm -v 2>&1` =~ /NASM version ([2-9]\.[0-9]+)/ && + $1>=2.03); # first version supporting AVX -$shaext=$xmm; ### set to zero if compiling for 1.0.1 +$ymm=1 if ($xmm && !$ymm && $ARGV[0] eq "win32" && + `ml 2>&1` =~ /Version ([0-9]+)\./ && + $1>=10); # first version supporting AVX -# TODO(davidben): Consider enabling the Intel SHA Extensions code once it's -# been tested. -$shaext = 0; +$ymm=1 if ($xmm && !$ymm && `$ENV{CC} -v 2>&1` =~ /(^clang version|based on LLVM) ([3-9]\.[0-9]+)/ && + $2>=3.0); # first version supporting AVX + +$shaext=$xmm; ### set to zero if compiling for 1.0.1 &external_label("OPENSSL_ia32cap_P") if ($xmm); |