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audio: Fix same bug as last commit, but for _mm_bslli_si128 vs _mm_slli_si128.

This commit is contained in:
Ryan C. Gordon 2017-01-23 12:06:10 -05:00
parent fab4501811
commit 4b8f354668
1 changed files with 2 additions and 2 deletions
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4
src/audio/SDL_audiotypecvt.c
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@ -501,7 +501,7 @@ SDL_Convert_S32_to_F32_SSE2(SDL_AudioCVT *cvt, SDL_AudioFormat format)
const __m128d doubles1 = _mm_mul_pd(_mm_cvtepi32_pd(_mm_srli_si128(ints, 8)), divby2147483647); const __m128d doubles1 = _mm_mul_pd(_mm_cvtepi32_pd(_mm_srli_si128(ints, 8)), divby2147483647);
const __m128d doubles2 = _mm_mul_pd(_mm_cvtepi32_pd(ints), divby2147483647); const __m128d doubles2 = _mm_mul_pd(_mm_cvtepi32_pd(ints), divby2147483647);
/* convert to float32, bitshift/or to get these into a vector to store. */ /* convert to float32, bitshift/or to get these into a vector to store. */
_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))))); _mm_store_ps(dst, _mm_castsi128_ps(_mm_or_si128(_mm_slli_si128(_mm_castps_si128(_mm_cvtpd_ps(doubles1)), 8), _mm_castps_si128(_mm_cvtpd_ps(doubles2)))));
i -= 4; mmsrc++; dst += 4; i -= 4; mmsrc++; dst += 4;
} }
src = (const Sint32 *) mmsrc; src = (const Sint32 *) mmsrc;
@ -725,7 +725,7 @@ SDL_Convert_F32_to_S32_SSE2(SDL_AudioCVT *cvt, SDL_AudioFormat format)
/* bitshift the whole register over, so _mm_cvtps_pd can read the top floats in the bottom of the vector. */ /* bitshift the whole register over, so _mm_cvtps_pd can read the top floats in the bottom of the vector. */
const __m128d doubles1 = _mm_mul_pd(_mm_cvtps_pd(_mm_castsi128_ps(_mm_srli_si128(_mm_castps_si128(floats), 8))), mulby2147483647); const __m128d doubles1 = _mm_mul_pd(_mm_cvtps_pd(_mm_castsi128_ps(_mm_srli_si128(_mm_castps_si128(floats), 8))), mulby2147483647);
const __m128d doubles2 = _mm_mul_pd(_mm_cvtps_pd(floats), mulby2147483647); const __m128d doubles2 = _mm_mul_pd(_mm_cvtps_pd(floats), mulby2147483647);
_mm_store_si128(mmdst, _mm_or_si128(_mm_bslli_si128(_mm_cvtpd_epi32(doubles1), 8), _mm_cvtpd_epi32(doubles2))); _mm_store_si128(mmdst, _mm_or_si128(_mm_slli_si128(_mm_cvtpd_epi32(doubles1), 8), _mm_cvtpd_epi32(doubles2)));
i -= 4; src += 4; mmdst++; i -= 4; src += 4; mmdst++;
} }
dst = (Sint32 *) mmdst; dst = (Sint32 *) mmdst;