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cpu.h: Add #defines so Clang compiles AVX2

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Patch-from: <lvqcl.mail@gmail.com>
This commit is contained in:
Erik de Castro Lopo 2017-02-12 22:38:11 +11:00
parent c669249e4c
commit 67ea8badad
1 changed files with 21 additions and 4 deletions
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25
src/libFLAC/include/private/cpu.h
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@ -88,8 +88,25 @@
#define FLAC__AVX2_SUPPORTED 1
#define FLAC__FMA_SUPPORTED 1
#endif
#elif defined __GNUC__
#if (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 9)) /* since GCC 4.9 -msse.. compiler options aren't necessary */
#elif defined __GNUC__ || defined __clang__
#if defined __clang__ && __has_attribute(__target__) /* clang */
#define FLAC__SSE_TARGET(x) __attribute__ ((__target__ (x)))
#if __has_builtin(__builtin_ia32_maxps)
#define FLAC__SSE_SUPPORTED 1
#endif
#if __has_builtin(__builtin_ia32_pmuludq128)
#define FLAC__SSE2_SUPPORTED 1
#endif
#if __has_builtin(__builtin_ia32_pabsd128)
#define FLAC__SSSE3_SUPPORTED 1
#endif
#if __has_builtin(__builtin_ia32_pmuldq128)
#define FLAC__SSE4_1_SUPPORTED 1
#endif
#if __has_builtin(__builtin_ia32_pabsd256)
#define FLAC__AVX2_SUPPORTED 1
#endif
#elif !defined __clang__ && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 9)) /* GCC 4.9+ */
#define FLAC__SSE_TARGET(x) __attribute__ ((__target__ (x)))
#define FLAC__SSE_SUPPORTED 1
#define FLAC__SSE2_SUPPORTED 1
@ -100,7 +117,7 @@
#define FLAC__AVX2_SUPPORTED 1
#define FLAC__FMA_SUPPORTED 1
#endif
#else /* for GCC older than 4.9 */
#else /* older GCC and clang */
#define FLAC__SSE_TARGET(x)
#ifdef __SSE__
#define FLAC__SSE_SUPPORTED 1
@ -123,7 +140,7 @@
#ifdef __FMA__
#define FLAC__FMA_SUPPORTED 1
#endif
#endif /* GCC version */
#endif
#endif /* compiler version */
#endif /* intrinsics support */