[Mesa-dev] [PATCH 07/10] swr/rast: Add alignment to transpose targets
Tim Rowley
timothy.o.rowley at intel.com
Mon Nov 20 17:18:50 UTC 2017
Needed to ensure alignment for avx512.
Fixes address sanitizer crash.
---
src/gallium/drivers/swr/rasterizer/core/binner.cpp | 16 ++++++++--------
1 file changed, 8 insertions(+), 8 deletions(-)
diff --git a/src/gallium/drivers/swr/rasterizer/core/binner.cpp b/src/gallium/drivers/swr/rasterizer/core/binner.cpp
index b624ae69b3..9d1f0d8799 100644
--- a/src/gallium/drivers/swr/rasterizer/core/binner.cpp
+++ b/src/gallium/drivers/swr/rasterizer/core/binner.cpp
@@ -796,10 +796,10 @@ endBinTriangles:
// transpose verts needed for backend
/// @todo modify BE to take non-transformed verts
- simd4scalar vHorizX[SIMD_WIDTH];
- simd4scalar vHorizY[SIMD_WIDTH];
- simd4scalar vHorizZ[SIMD_WIDTH];
- simd4scalar vHorizW[SIMD_WIDTH];
+ OSALIGNSIMD16(simd4scalar) vHorizX[SIMD_WIDTH];
+ OSALIGNSIMD16(simd4scalar) vHorizY[SIMD_WIDTH];
+ OSALIGNSIMD16(simd4scalar) vHorizZ[SIMD_WIDTH];
+ OSALIGNSIMD16(simd4scalar) vHorizW[SIMD_WIDTH];
TransposeVertices(vHorizX, tri[0].x, tri[1].x, tri[2].x);
TransposeVertices(vHorizY, tri[0].y, tri[1].y, tri[2].y);
@@ -1510,10 +1510,10 @@ void BinPostSetupLinesImpl(
// transpose verts needed for backend
/// @todo modify BE to take non-transformed verts
- simd4scalar vHorizX[SIMD_WIDTH];
- simd4scalar vHorizY[SIMD_WIDTH];
- simd4scalar vHorizZ[SIMD_WIDTH];
- simd4scalar vHorizW[SIMD_WIDTH];
+ OSALIGNSIMD16(simd4scalar) vHorizX[SIMD_WIDTH];
+ OSALIGNSIMD16(simd4scalar) vHorizY[SIMD_WIDTH];
+ OSALIGNSIMD16(simd4scalar) vHorizZ[SIMD_WIDTH];
+ OSALIGNSIMD16(simd4scalar) vHorizW[SIMD_WIDTH];
if (!primMask)
{
--
2.14.1
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