diff options
Diffstat (limited to 'src/crypto/sha/asm/sha512-x86_64.pl')
-rw-r--r-- | src/crypto/sha/asm/sha512-x86_64.pl | 32 |
1 files changed, 20 insertions, 12 deletions
diff --git a/src/crypto/sha/asm/sha512-x86_64.pl b/src/crypto/sha/asm/sha512-x86_64.pl index 9a0d0c4..6660a88 100644 --- a/src/crypto/sha/asm/sha512-x86_64.pl +++ b/src/crypto/sha/asm/sha512-x86_64.pl @@ -109,15 +109,25 @@ $0 =~ m/(.*[\/\\])[^\/\\]+$/; $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); +} -# TODO(davidben): Consider enabling the Intel SHA Extensions code once it's -# been tested. $shaext=0; ### set to zero if compiling for 1.0.1 $avx=1 if (!$shaext && $avx); @@ -2254,8 +2264,7 @@ $code.=<<___; ret .size se_handler,.-se_handler ___ - -$code.=<<___ if ($SZ==4 && $shaext); +$code.=<<___ if ($SZ == 4 && $shaext); .type shaext_handler,\@abi-omnipotent .align 16 shaext_handler: @@ -2289,7 +2298,6 @@ shaext_handler: jmp .Lin_prologue .size shaext_handler,.-shaext_handler ___ - $code.=<<___; .section .pdata .align 4 @@ -2297,7 +2305,7 @@ $code.=<<___; .rva .LSEH_end_$func .rva .LSEH_info_$func ___ -$code.=<<___ if ($SZ==4 && $shaext); +$code.=<<___ if ($SZ==4 && $shext); .rva .LSEH_begin_${func}_shaext .rva .LSEH_end_${func}_shaext .rva .LSEH_info_${func}_shaext |