ffmpeg | branch: release/1.1 | Martin Storsjö <mar...@martin.st> | Thu Mar 5 23:38:00 2015 +0200| [9841654c158c80e9d525ba03754135d3f34e306e] | committer: Martin Storsjö
arm: Suppress tags about used cpu arch and extensions When all the codepaths using manually set .arch/.fpu code is behind runtime detection, the elf attributes should be suppressed. This allows tools to know that the final built binary doesn't strictly require these extensions. Signed-off-by: Martin Storsjö <mar...@martin.st> (cherry picked from commit dcae2e32f7d8a1ca5fb8c1e4aa81313be854dd73 and b77e335e441040a40fc6156b8e4a134745d10233) Signed-off-by: Martin Storsjö <mar...@martin.st> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=9841654c158c80e9d525ba03754135d3f34e306e --- configure | 6 ++++++ libavutil/arm/asm.S | 6 ++++++ 2 files changed, 12 insertions(+) diff --git a/configure b/configure index 466ce54..042692f 100755 --- a/configure +++ b/configure @@ -1204,6 +1204,7 @@ HAVE_LIST=" alsa_asoundlib_h altivec_h arpa_inet_h + as_object_arch asm_mod_q asm_mod_y attribute_may_alias @@ -3223,6 +3224,11 @@ EOF enabled_all armv6t2 shared !pic && enable_pic + # llvm's integrated assembler supports .object_arch from llvm 3.5 + [ "$objformat" = elf ] && check_as <<EOF && enable as_object_arch +.object_arch armv4 +EOF + elif enabled mips; then check_inline_asm loongson '"dmult.g $1, $2, $3"' diff --git a/libavutil/arm/asm.S b/libavutil/arm/asm.S index f088857..e68c8b6 100644 --- a/libavutil/arm/asm.S +++ b/libavutil/arm/asm.S @@ -43,11 +43,17 @@ #elif HAVE_ARMV5TE .arch armv5te #endif +#if HAVE_AS_OBJECT_ARCH +ELF .object_arch armv4 +#endif #if HAVE_NEON .fpu neon +ELF .eabi_attribute 10, 0 @ suppress Tag_FP_arch +ELF .eabi_attribute 12, 0 @ suppress Tag_Advanced_SIMD_arch #elif HAVE_VFP .fpu vfp +ELF .eabi_attribute 10, 0 @ suppress Tag_FP_arch #endif .syntax unified _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog