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* x86: use raw opcode for xgetbv instructionMans Rullgard2011-02-20
| | | | | | | | | | This allows the CPU detection to work with assemblers not supporting the xgetbv mnemonic. These include clang and some BSD versions. All AVX code will be written for yasm, where the main assembler is not involved. Signed-off-by: Mans Rullgard <mans@mansr.com>
* x86: check for AVX supportMans Rullgard2011-02-20
| | | | | | This adds configure and runtime checks for AVX support on x86 CPUs. Signed-off-by: Mans Rullgard <mans@mansr.com>
* Add check for Athlon64 and similar AMD processors with slow SSE2.Justin Ruggles2011-02-11
| | | | Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com>
* Add missing #include <string.h> in x86/cpu.cMåns Rullgård2010-09-09
| | | | Originally committed as revision 25088 to svn://svn.ffmpeg.org/ffmpeg/trunk
* Clean up av_get_cpu_flag()Måns Rullgård2010-09-09
Instead of defining functions in per-arch header files included by the main cpu.c, define them normally and call them from the generic one. Originally committed as revision 25084 to svn://svn.ffmpeg.org/ffmpeg/trunk
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