swr/rast: fix USE_SIMD16_FRONTEND issues

[mesa.git] / src / gallium / drivers / swr / rasterizer / core / pa.h

diff --git a/src/gallium/drivers/swr/rasterizer/core/pa.h b/src/gallium/drivers/swr/rasterizer/core/pa.h
index d2e61096d1439bb724049e231906980edfbcd651..4bb3236a638550a771a2ba9d33b5d1cf17d3c866 100644 (file)
--- a/src/gallium/drivers/swr/rasterizer/core/pa.h
+++ b/src/gallium/drivers/swr/rasterizer/core/pa.h
@@ -703,7 +703,9 @@ struct PA_STATE_CUT : public PA_STATE
 #if USE_SIMD16_FRONTEND
                 simd16scalar temp = _simd16_i32gather_ps(pBase, offsets, 1);
 
-                verts[v].v[c] = useAlternateOffset ? _simd16_extract_ps(temp, 1) : _simd16_extract_ps(temp, 0);
+                // Assigning to a temporary first to avoid an MSVC 2017 compiler bug
+                simdscalar t = useAlternateOffset ? _simd16_extract_ps(temp, 1) : _simd16_extract_ps(temp, 0);
+                verts[v].v[c] = t;
 #else
                 verts[v].v[c] = _simd_i32gather_ps(pBase, offsets, 1);
 #endif