diff options
Diffstat (limited to 'clang/lib')
| -rw-r--r-- | clang/lib/Headers/smmintrin.h | 21 |
1 files changed, 18 insertions, 3 deletions
diff --git a/clang/lib/Headers/smmintrin.h b/clang/lib/Headers/smmintrin.h index 4745b1c5831..7a18201eced 100644 --- a/clang/lib/Headers/smmintrin.h +++ b/clang/lib/Headers/smmintrin.h @@ -286,19 +286,34 @@ _mm_cmpeq_epi64(__m128i __V1, __m128i __V2) static __inline__ __m128i __DEFAULT_FN_ATTRS _mm_cvtepi8_epi16(__m128i __V) { - return (__m128i)__builtin_convertvector(__builtin_shufflevector((__v16qi)__V, (__v16qi)__V, 0, 1, 2, 3, 4, 5, 6, 7), __v8hi); + /* We need a local definitively signed typedef similar to __v16qi even in the + * presence of __UNSIGNED_CHAR__. + * FIXME: __v16qi should almost certainly be definitively signed. + */ + typedef signed char __signed_v16qi __attribute__((__vector_size__(16))); + return (__m128i)__builtin_convertvector(__builtin_shufflevector((__signed_v16qi)__V, (__signed_v16qi)__V, 0, 1, 2, 3, 4, 5, 6, 7), __v8hi); } static __inline__ __m128i __DEFAULT_FN_ATTRS _mm_cvtepi8_epi32(__m128i __V) { - return (__m128i)__builtin_convertvector(__builtin_shufflevector((__v16qi)__V, (__v16qi)__V, 0, 1, 2, 3), __v4si); + /* We need a local definitively signed typedef similar to __v16qi even in the + * presence of __UNSIGNED_CHAR__. + * FIXME: __v16qi should almost certainly be definitively signed. + */ + typedef signed char __signed_v16qi __attribute__((__vector_size__(16))); + return (__m128i)__builtin_convertvector(__builtin_shufflevector((__signed_v16qi)__V, (__signed_v16qi)__V, 0, 1, 2, 3), __v4si); } static __inline__ __m128i __DEFAULT_FN_ATTRS _mm_cvtepi8_epi64(__m128i __V) { - return (__m128i)__builtin_convertvector(__builtin_shufflevector((__v16qi)__V, (__v16qi)__V, 0, 1), __v2di); + /* We need a local definitively signed typedef similar to __v16qi even in the + * presence of __UNSIGNED_CHAR__. + * FIXME: __v16qi should almost certainly be definitively signed. + */ + typedef signed char __signed_v16qi __attribute__((__vector_size__(16))); + return (__m128i)__builtin_convertvector(__builtin_shufflevector((__signed_v16qi)__V, (__signed_v16qi)__V, 0, 1), __v2di); } static __inline__ __m128i __DEFAULT_FN_ATTRS |
