Mesa (master): swr: [rasterizer] eliminate unused label warnings on gcc

[Tim Rowley]

Module: Mesa
Branch: master
Commit: eaec263427631b3aa3a86f6287f3144381866510
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=eaec263427631b3aa3a86f6287f3144381866510

Author: Tim Rowley <timothy.o.rowley at intel.com>
Date:   Fri Oct  7 09:52:19 2016 -0500

swr: [rasterizer] eliminate unused label warnings on gcc

Signed-off-by: Tim Rowley <timothy.o.rowley at intel.com>

---

 src/gallium/drivers/swr/rasterizer/common/os.h      | 6 ++++++
 src/gallium/drivers/swr/rasterizer/core/backend.cpp | 2 ++
 2 files changed, 8 insertions(+)

diff --git a/src/gallium/drivers/swr/rasterizer/common/os.h b/src/gallium/drivers/swr/rasterizer/common/os.h
index f175a8a..0671c5a 100644
--- a/src/gallium/drivers/swr/rasterizer/common/os.h
+++ b/src/gallium/drivers/swr/rasterizer/common/os.h
@@ -249,4 +249,10 @@ typedef MEGABYTE    GIGABYTE[1024];
 
 #include "common/swr_assert.h"
 
+#ifdef __GNUC__
+#define ATTR_UNUSED __attribute__((unused))
+#else
+#define ATTR_UNUSED
+#endif
+
 #endif//__SWR_OS_H__
diff --git a/src/gallium/drivers/swr/rasterizer/core/backend.cpp b/src/gallium/drivers/swr/rasterizer/core/backend.cpp
index ad9f0d3..143bd25 100644
--- a/src/gallium/drivers/swr/rasterizer/core/backend.cpp
+++ b/src/gallium/drivers/swr/rasterizer/core/backend.cpp
@@ -828,6 +828,7 @@ void BackendSampleRate(DRAW_CONTEXT *pDC, uint32_t workerId, uint32_t x, uint32_
             }
 
 Endtile:
+            ATTR_UNUSED;
             AR_BEGIN(BEEndTile, pDC->drawId);
             if(T::InputCoverage == SWR_INPUT_COVERAGE_INNER_CONSERVATIVE)
             {
@@ -1171,6 +1172,7 @@ void BackendNullPS(DRAW_CONTEXT *pDC, uint32_t workerId, uint32_t x, uint32_t y,
                 }
 
 Endtile:
+                ATTR_UNUSED;
                 work.coverageMask[sample] >>= (SIMD_TILE_Y_DIM * SIMD_TILE_X_DIM);
             }
             pDepthBase += (KNOB_SIMD_WIDTH * FormatTraits<KNOB_DEPTH_HOT_TILE_FORMAT>::bpp) / 8;