All modern assemblers have this capability. Older ones that do not
produce code that crashes at runtime, so it's better to error out
during the build process instead.
---
configure | 3 +--
1 files changed, 1 insertions(+), 2 deletions(-)
diff --git a/configure b/configure
index 5080dcf..97bedc0 100755
--- a/configure
+++ b/configure
@@ -3108,9 +3108,8 @@ EOF
elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
esac
- check_yasm "pextrd [eax], xmm0, 1" && enable yasm ||
+ check_yasm "vextractf128 xmm0, ymm0, 0" && enable yasm ||
die "yasm not found, use --disable-yasm for a crippled build"
- check_yasm "vextractf128 xmm0, ymm0, 0" || disable avx_external
check_yasm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4_external
check_yasm "CPU amdnop" && enable cpunop
fi
--
1.7.1
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