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Check src alignment for S32_to_F32 conversions

This commit is contained in:
Ethan Lee 2019-06-14 09:51:22 -04:00
parent d9a2eff26f
commit 5bd9b8b167
1 changed files with 4 additions and 3 deletions
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7
src/audio/SDL_audiotypecvt.c
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@ -526,8 +526,9 @@ SDL_Convert_S32_to_F32_SSE2(SDL_AudioCVT *cvt, SDL_AudioFormat format)
} }
SDL_assert(!i || ((((size_t) dst) & 15) == 0)); SDL_assert(!i || ((((size_t) dst) & 15) == 0));
SDL_assert(!i || ((((size_t) src) & 15) == 0));
/* Make sure src is aligned too. */
if ((((size_t) src) & 15) == 0) {
{ {
/* Aligned! Do SSE blocks as long as we have 16 bytes available. */ /* Aligned! Do SSE blocks as long as we have 16 bytes available. */
const __m128 divby8388607 = _mm_set1_ps(DIVBY8388607); const __m128 divby8388607 = _mm_set1_ps(DIVBY8388607);
@ -1060,9 +1061,9 @@ SDL_Convert_S32_to_F32_NEON(SDL_AudioCVT *cvt, SDL_AudioFormat format)
} }
SDL_assert(!i || ((((size_t) dst) & 15) == 0)); SDL_assert(!i || ((((size_t) dst) & 15) == 0));
SDL_assert(!i || ((((size_t) src) & 15) == 0));
{ /* Make sure src is aligned too. */
if ((((size_t) src) & 15) == 0) {
/* Aligned! Do NEON blocks as long as we have 16 bytes available. */ /* Aligned! Do NEON blocks as long as we have 16 bytes available. */
const float32x4_t divby8388607 = vdupq_n_f32(DIVBY8388607); const float32x4_t divby8388607 = vdupq_n_f32(DIVBY8388607);
const int32_t *mmsrc = (const int32_t *) src; const int32_t *mmsrc = (const int32_t *) src;