[Mesa-dev] [PATCH 24/25] i965: Mark brw_hw_type_to_reg_type() as a pure function

[Matt Turner]

   text	   data	    bss	    dec	    hex	filename
7816886	 346248	 420496	8583630	 82f9ce	i965_dri.so before
7816214	 346248	 420496	8582958	 82f72e	i965_dri.so after
---
 src/intel/compiler/brw_reg_type.h | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/intel/compiler/brw_reg_type.h b/src/intel/compiler/brw_reg_type.h
index 5d05f293c6..08dc1715a9 100644
--- a/src/intel/compiler/brw_reg_type.h
+++ b/src/intel/compiler/brw_reg_type.h
@@ -28,6 +28,12 @@
 extern "C" {
 #endif
 
+#ifdef HAVE_FUNC_ATTRIBUTE_PURE
+#define ATTRIBUTE_PURE __attribute__((__pure__))
+#else
+#define ATTRIBUTE_PURE
+#endif
+
 enum brw_reg_file;
 struct gen_device_info;
 
@@ -59,7 +65,7 @@ unsigned
 brw_reg_type_to_hw_type(const struct gen_device_info *devinfo,
                         enum brw_reg_file file, enum brw_reg_type type);
 
-enum brw_reg_type
+enum brw_reg_type ATTRIBUTE_PURE
 brw_hw_type_to_reg_type(const struct gen_device_info *devinfo,
                         enum brw_reg_file file, unsigned hw_type);
 
-- 
2.13.0