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Workaround GCC bug in audio resampler

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Brick authored and Ryan C. Gordon committed 2024-04-22 18:38:55 -04:00
1 parent acf811a06b
commit c9cfc681b9
1 file changed
+8 -4
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src/audio/SDL_audioresample.c
+8 -4
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@@ -146,9 +146,13 @@ static void SDL_TARGETING("sse") ResampleFrame_Generic_SSE(const float *src, flo
const __m128 frac2 = _mm_mul_ps(frac1, frac1);
const __m128 frac3 = _mm_mul_ps(frac1, frac2);
/* Transposed in SetupAudioResampler */
#define X(out) \
out = sdl_madd_ps(sdl_madd_ps(sdl_madd_ps(filter[0].v128, filter[1].v128, frac1), filter[2].v128, frac2), filter[3].v128, frac3); \
// Transposed in SetupAudioResampler
// Explicitly use _mm_load_ps to workaround ICE in GCC 4.9.4 accessing Cubic.v128
#define X(out) \
out = _mm_load_ps(filter[0].v); \
out = sdl_madd_ps(out, frac1, _mm_load_ps(filter[1].v)); \
out = sdl_madd_ps(out, frac2, _mm_load_ps(filter[2].v)); \
out = sdl_madd_ps(out, frac3, _mm_load_ps(filter[3].v)); \
filter += 4
X(f0);
@@ -274,7 +278,7 @@ static void ResampleFrame_Generic_NEON(const float *src, float *dst, const Cubic
const float32x4_t frac2 = vmulq_f32(frac1, frac1);
const float32x4_t frac3 = vmulq_f32(frac1, frac2);
/* Transposed in SetupAudioResampler */
// Transposed in SetupAudioResampler
#define X(out) \
out = vmlaq_f32(vmlaq_f32(vmlaq_f32(filter[0].v128, filter[1].v128, frac1), filter[2].v128, frac2), filter[3].v128, frac3); \
filter += 4