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x86: add some more helper macros to check for slow cpuflags 

Reviewed-by: Michael Niedermayer <michael@niedermayer.cc>
Signed-off-by: James Almer <jamrial@gmail.com>
This commit is contained in:
James Almer 2016-02-07 00:29:43 -03:00
parent fbc96c50d7
commit 73a4589d4b
2 changed files with 11 additions and 4 deletions
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11
libavutil/cpu_internal.h
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@ -24,13 +24,16 @@
#define CPUEXT_SUFFIX(flags, suffix, cpuext) \
(HAVE_ ## cpuext ## suffix && ((flags) & AV_CPU_FLAG_ ## cpuext))
#define CPUEXT_SUFFIX_FAST(flags, suffix, cpuext) \
#define CPUEXT_SUFFIX_FAST2(flags, suffix, cpuext, slow_cpuext) \
(HAVE_ ## cpuext ## suffix && ((flags) & AV_CPU_FLAG_ ## cpuext) && \
!((flags) & AV_CPU_FLAG_ ## cpuext ## SLOW))
!((flags) & AV_CPU_FLAG_ ## slow_cpuext ## SLOW))
#define CPUEXT_SUFFIX_SLOW(flags, suffix, cpuext) \
#define CPUEXT_SUFFIX_SLOW2(flags, suffix, cpuext, slow_cpuext) \
(HAVE_ ## cpuext ## suffix && ((flags) & AV_CPU_FLAG_ ## cpuext) && \
((flags) & AV_CPU_FLAG_ ## cpuext ## SLOW))
((flags) & AV_CPU_FLAG_ ## slow_cpuext ## SLOW))
#define CPUEXT_SUFFIX_FAST(flags, suffix, cpuext) CPUEXT_SUFFIX_FAST2(flags, suffix, cpuext, cpuext)
#define CPUEXT_SUFFIX_SLOW(flags, suffix, cpuext) CPUEXT_SUFFIX_SLOW2(flags, suffix, cpuext, cpuext)
#define CPUEXT(flags, cpuext) CPUEXT_SUFFIX(flags, , cpuext)
#define CPUEXT_FAST(flags, cpuext) CPUEXT_SUFFIX_FAST(flags, , cpuext)

4
libavutil/x86/cpu.h
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@ -68,8 +68,12 @@
#define EXTERNAL_AVX_SLOW(flags) CPUEXT_SUFFIX_SLOW(flags, _EXTERNAL, AVX)
#define EXTERNAL_XOP(flags) CPUEXT_SUFFIX(flags, _EXTERNAL, XOP)
#define EXTERNAL_FMA3(flags) CPUEXT_SUFFIX(flags, _EXTERNAL, FMA3)
#define EXTERNAL_FMA3_FAST(flags) CPUEXT_SUFFIX_FAST2(flags, _EXTERNAL, FMA3, AVX)
#define EXTERNAL_FMA3_SLOW(flags) CPUEXT_SUFFIX_SLOW2(flags, _EXTERNAL, FMA3, AVX)
#define EXTERNAL_FMA4(flags) CPUEXT_SUFFIX(flags, _EXTERNAL, FMA4)
#define EXTERNAL_AVX2(flags) CPUEXT_SUFFIX(flags, _EXTERNAL, AVX2)
#define EXTERNAL_AVX2_FAST(flags) CPUEXT_SUFFIX_FAST2(flags, _EXTERNAL, AVX2, AVX)
#define EXTERNAL_AVX2_SLOW(flags) CPUEXT_SUFFIX_SLOW2(flags, _EXTERNAL, AVX2, AVX)
#define EXTERNAL_AESNI(flags) CPUEXT_SUFFIX(flags, _EXTERNAL, AESNI)
#define INLINE_AMD3DNOW(flags) CPUEXT_SUFFIX(flags, _INLINE, AMD3DNOW)