audio: use _mm_srli_si128 instead of _mm_bsrli_si128.
authorRyan C. Gordon <icculus@icculus.org>
Mon, 23 Jan 2017 12:02:02 -0500
changeset 108368f0aa225f261
parent 10835 0e9e7a128391
child 10837 c2f241c2f6ad
audio: use _mm_srli_si128 instead of _mm_bsrli_si128.

They're the same thing (one is generally a #define of the other), but some
toolchains don't offer the 'b' version.
src/audio/SDL_audiotypecvt.c
     1.1 --- a/src/audio/SDL_audiotypecvt.c	Mon Jan 23 01:05:44 2017 -0500
     1.2 +++ b/src/audio/SDL_audiotypecvt.c	Mon Jan 23 12:02:02 2017 -0500
     1.3 @@ -498,7 +498,7 @@
     1.4          while (i >= 4) {   /* 4 * sint32 */
     1.5              const __m128i ints = _mm_load_si128(mmsrc);
     1.6              /* bitshift the whole register over, so _mm_cvtepi32_pd can read the top ints in the bottom of the vector. */
     1.7 -            const __m128d doubles1 = _mm_mul_pd(_mm_cvtepi32_pd(_mm_bsrli_si128(ints, 8)), divby2147483647);
     1.8 +            const __m128d doubles1 = _mm_mul_pd(_mm_cvtepi32_pd(_mm_srli_si128(ints, 8)), divby2147483647);
     1.9              const __m128d doubles2 = _mm_mul_pd(_mm_cvtepi32_pd(ints), divby2147483647);
    1.10              /* convert to float32, bitshift/or to get these into a vector to store. */
    1.11              _mm_store_ps(dst, _mm_castsi128_ps(_mm_or_si128(_mm_bslli_si128(_mm_castps_si128(_mm_cvtpd_ps(doubles1)), 8), _mm_castps_si128(_mm_cvtpd_ps(doubles2)))));
    1.12 @@ -723,7 +723,7 @@
    1.13          while (i >= 4) {   /* 4 * float32 */
    1.14              const __m128 floats = _mm_load_ps(src);
    1.15              /* bitshift the whole register over, so _mm_cvtps_pd can read the top floats in the bottom of the vector. */
    1.16 -            const __m128d doubles1 = _mm_mul_pd(_mm_cvtps_pd(_mm_castsi128_ps(_mm_bsrli_si128(_mm_castps_si128(floats), 8))), mulby2147483647);
    1.17 +            const __m128d doubles1 = _mm_mul_pd(_mm_cvtps_pd(_mm_castsi128_ps(_mm_srli_si128(_mm_castps_si128(floats), 8))), mulby2147483647);
    1.18              const __m128d doubles2 = _mm_mul_pd(_mm_cvtps_pd(floats), mulby2147483647);
    1.19              _mm_store_si128(mmdst, _mm_or_si128(_mm_bslli_si128(_mm_cvtpd_epi32(doubles1), 8), _mm_cvtpd_epi32(doubles2)));
    1.20              i -= 4; src += 4; mmdst++;