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FFmpeg/libavutil/x86

History

Dale Curtis 50e30d9bb7 Don't use _tzcnt instrinics with clang for windows w/o BMI. ... Technically _tzcnt* intrinsics are only available when the BMI instruction set is present. However the instruction encoding degrades to "rep bsf" on older processors. Clang for Windows debatably restricts the _tzcnt* instrinics behind the __BMI__ architecture define, so check for its presence or exclude the usage of these intrinics when clang is present. See also: https://ffmpeg.org/pipermail/ffmpeg-devel/2015-November/183404.html https://bugs.llvm.org/show_bug.cgi?id=30506 http://lists.llvm.org/pipermail/cfe-dev/2016-October/051034.html Signed-off-by: Dale Curtis <dalecurtis@chromium.org> Reviewed-by: Matt Oliver <protogonoi@gmail.com> Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>		7 years ago
..
Makefile	build: Generalize yasm/nasm-related variable names	8 years ago
asm.h	asm: FF_-prefix internal macros used in inline assembly	9 years ago
bswap.h	avutil/x86/bswap: Remove warning about bswap intrinsics with msvc.	9 years ago
cpu.c	avutil/cpu: split flag checks per arch in av_cpu_max_align()	7 years ago
cpu.h	Merge commit '7d7355aa92bb36ca0765c49a569a999bcb96f332'	8 years ago
cpuid.asm	Merge commit '79793f833784121d574454af4871866576c0749d'	11 years ago
emms.asm	Merge commit '7911186ed616ae81dd8617d6d0e8b08c818db9d8'	8 years ago
emms.h	Merge commit '7911186ed616ae81dd8617d6d0e8b08c818db9d8'	8 years ago
fixed_dsp.asm	x86/fixed_dsp: add ff_butterflies_fixed_sse2	9 years ago
fixed_dsp_init.c	x86/fixed_dsp: add ff_butterflies_fixed_sse2	9 years ago
float_dsp.asm	x86/float_dsp: remove usage of integer instructions	8 years ago
float_dsp_init.c	x86/float_dsp: add ff_vector_fmul_reverse_avx2	8 years ago
imgutils.asm	Merge commit '6be7944ee2ec2f045e6eb9a93237e992c8b20ac4'	8 years ago
imgutils_init.c	Merge commit 'd7bc52bf456deba0f32d9fe5c288ec441f1ebef5'	8 years ago
intmath.h	Don't use _tzcnt instrinics with clang for windows w/o BMI.	7 years ago
intreadwrite.h	…
lls.asm	lavu/x86/lls: add fma3 optimizations for update_lls	9 years ago
lls_init.c	x86: use the new helper macros where useful	9 years ago
pixelutils.asm	x86inc: Drop SECTION_TEXT macro	9 years ago
pixelutils.h	avutil: add pixelutils API	10 years ago
pixelutils_init.c	pixelutils: Comment on (lack of) sad_8x8_sse2	10 years ago
timer.h	Merge commit 'd1a6cb195f610978ba5d2351e60f938f7f261d59'	9 years ago
w64xmmtest.h	all: Add missing header guards	9 years ago
x86inc.asm	Merge commit '7abdd026df6a9a52d07d8174505b33cc89db7bf6'	7 years ago
x86util.asm	Merge commit '994c4bc10751e39c7ed9f67ffd0c0dea5223daf2'	7 years ago