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Try a clang pragma to avoid overeager auto-vectorization

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Henrik Rydgård committed 2022-04-15 13:26:54 +02:00
1 parent 9e60b82c54
commit 3efce3ceca
1 file changed
+11
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GPU/Common/TextureDecoder.cpp
+11
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@@ -41,6 +41,12 @@
#endif
#endif
#ifdef __clang__
#define DO_NOT_VECTORIZE_LOOP #pragma clang loop vectorize(disable)
#else
#define DO_NOT_VECTORIZE_LOOP
#endif
#ifdef _M_SSE
static u32 QuickTexHashSSE2(const void *checkp, u32 size) {
@@ -707,6 +713,7 @@ void CopyAndSumMask16(u16 *dst, const u16 *src, int width, u32 *outMask) {
}
#endif
DO_NOT_VECTORIZE_LOOP;
for (int i = 0; i < width; i++) {
u16 color = src[i];
mask &= color;
@@ -746,6 +753,7 @@ void CopyAndSumMask32(u32 *dst, const u32 *src, int width, u32 *outMask) {
}
#endif
DO_NOT_VECTORIZE_LOOP;
for (int i = 0; i < width; i++) {
u32 color = src[i];
mask &= color;
@@ -777,6 +785,8 @@ void CheckMask16(const u16 *src, int width, u32 *outMask) {
mask = NEONReduce16And(wideMask);
}
#endif
DO_NOT_VECTORIZE_LOOP;
for (int i = 0; i < width; i++) {
mask &= src[i];
}
@@ -807,6 +817,7 @@ void CheckMask32(const u32 *src, int width, u32 *outMask) {
}
#endif
DO_NOT_VECTORIZE_LOOP;
for (int i = 0; i < width; i++) {
mask &= src[i];
}