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| author | Diego Biurrun <diego@biurrun.de> | 2012-09-28 19:36:53 +0200 |
|---|---|---|
| committer | Diego Biurrun <diego@biurrun.de> | 2012-11-11 20:43:28 +0100 |
| commit | b8e8a07c6c4df93de92480f5c3a14296a6a2a690 (patch) | |
| tree | 2bd44246e1f84df4aa72ba6cc74dfe1e3e91018f | |
| parent | 97bf7c03b1338a867da52c159a2afecbdedcfa88 (diff) | |
| download | ffmpeg-b8e8a07c6c4df93de92480f5c3a14296a6a2a690.tar.gz | |
x86: Require an assembler able to cope with AVX instructions
All modern assemblers have this capability. Older NASM versions
that lack the capability produce code that crashes at runtime,
so it's better to error out during the build process instead.
CC: libav-stable@libav.org
| -rwxr-xr-x | configure | 3 |
1 files changed, 1 insertions, 2 deletions
@@ -3152,9 +3152,8 @@ 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 |