------- Additional Comments From tbptbp at gmail dot com 2005-01-13 05:44 ------- They are described in the SSE2 documentation chapter and defined in emmintrin.h that way:
/* * Support for casting between various SP, DP, INT vector types. * Note that these do no conversion of values, they just change * the type. */ extern __m128 _mm_castpd_ps(__m128d in); extern __m128i _mm_castpd_si128(__m128d in); extern __m128d _mm_castps_pd(__m128 in); extern __m128i _mm_castps_si128(__m128 in); extern __m128 _mm_castsi128_ps(__m128i in); extern __m128d _mm_castsi128_pd(__m128i in); -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=19418
