swr: [rasterizer core] use parens to disambiguate operator precedence

Reviewed-by: Bruce Cherniak <bruce.cherniak@intel.com>

diff --git a/src/gallium/drivers/swr/rasterizer/core/frontend.cpp b/src/gallium/drivers/swr/rasterizer/core/frontend.cpp
index 0834610..c13280e 100644 (file)
--- a/src/gallium/drivers/swr/rasterizer/core/frontend.cpp
+++ b/src/gallium/drivers/swr/rasterizer/core/frontend.cpp
@@ -1637,7 +1637,7 @@ void BinTriangles(
     int maskLo = _simd_movemask_pd(_simd_castsi_pd(_simd_cmpeq_epi64(vDet[0], _simd_setzero_si())));
     int maskHi = _simd_movemask_pd(_simd_castsi_pd(_simd_cmpeq_epi64(vDet[1], _simd_setzero_si())));
 
-    int cullZeroAreaMask = maskLo | ((maskHi << KNOB_SIMD_WIDTH / 2));
+    int cullZeroAreaMask = maskLo | (maskHi << (KNOB_SIMD_WIDTH / 2));
 
     uint32_t origTriMask = triMask;
     triMask &= ~cullZeroAreaMask;