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Check src alignment for S32_to_F32 conversions

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flibitijibibo committed Jun 14, 2019
1 parent d9a2eff commit 5bd9b8b167a883a3b6c25de96c067d62e2e3e599
Showing with 4 additions and 3 deletions.
  1. +4 −3 src/audio/SDL_audiotypecvt.c
@@ -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) 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. */
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) 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. */
const float32x4_t divby8388607 = vdupq_n_f32(DIVBY8388607);
const int32_t *mmsrc = (const int32_t *) src;

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