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-rw-r--r--src/crypto/modes/asm/aesni-gcm-x86_64.pl24
1 files changed, 6 insertions, 18 deletions
diff --git a/src/crypto/modes/asm/aesni-gcm-x86_64.pl b/src/crypto/modes/asm/aesni-gcm-x86_64.pl
index 7e4e04e..0ca89c7 100644
--- a/src/crypto/modes/asm/aesni-gcm-x86_64.pl
+++ b/src/crypto/modes/asm/aesni-gcm-x86_64.pl
@@ -41,24 +41,12 @@ $0 =~ m/(.*[\/\\])[^\/\\]+$/; $dir=$1;
( $xlate="${dir}../../perlasm/x86_64-xlate.pl" and -f $xlate) or
die "can't locate x86_64-xlate.pl";
-if (`$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);
-}
+# 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;
open OUT,"| \"$^X\" $xlate $flavour $output";
*STDOUT=*OUT;