[Mesa-dev] [PATCH 07/22] genxml: Silence unused parameter warnings in generated pack code

[Ian Romanick]

From: Ian Romanick <ian.d.romanick at intel.com>

Reduces my build from 1960 warnings to 1808 warnings by silencing 152
instances of things like

In file included from ../../SOURCE/master/src/intel/genxml/genX_pack.h:32:0,
                 from ../../SOURCE/master/src/intel/isl/isl_emit_depth_stencil.c:36:
src/intel/genxml/gen4_pack.h: In function ‘__gen_uint’:
src/intel/genxml/gen4_pack.h:58:49: warning: unused parameter ‘end’ [-Wunused-parameter]
 __gen_uint(uint64_t v, uint32_t start, uint32_t end)
                                                 ^~~
src/intel/genxml/gen4_pack.h: In function ‘__gen_offset’:
src/intel/genxml/gen4_pack.h:94:35: warning: unused parameter ‘start’ [-Wunused-parameter]
 __gen_offset(uint64_t v, uint32_t start, uint32_t end)
                                   ^~~~~
src/intel/genxml/gen4_pack.h:94:51: warning: unused parameter ‘end’ [-Wunused-parameter]
 __gen_offset(uint64_t v, uint32_t start, uint32_t end)
                                                   ^~~
src/intel/genxml/gen4_pack.h: In function ‘__gen_ufixed’:
src/intel/genxml/gen4_pack.h:133:48: warning: unused parameter ‘end’ [-Wunused-parameter]
 __gen_ufixed(float v, uint32_t start, uint32_t end, uint32_t fract_bits)
                                                ^~~

Signed-off-by: Ian Romanick <ian.d.romanick at intel.com>
---
 src/intel/genxml/gen_pack_header.py | 14 +++++++++++---
 1 file changed, 11 insertions(+), 3 deletions(-)

diff --git a/src/intel/genxml/gen_pack_header.py b/src/intel/genxml/gen_pack_header.py
index e6cea86..7dcada8 100644
--- a/src/intel/genxml/gen_pack_header.py
+++ b/src/intel/genxml/gen_pack_header.py
@@ -57,6 +57,12 @@ pack_header = """%(license)s
 #ifndef __gen_field_functions
 #define __gen_field_functions
 
+#ifdef NDEBUG
+#define NDEBUG_UNUSED __attribute__((unused))
+#else
+#define NDEBUG_UNUSED
+#endif
+
 union __gen_value {
    float f;
    uint32_t dw;
@@ -69,7 +75,7 @@ __gen_mbo(uint32_t start, uint32_t end)
 }
 
 static inline uint64_t
-__gen_uint(uint64_t v, uint32_t start, uint32_t end)
+__gen_uint(uint64_t v, uint32_t start, NDEBUG_UNUSED uint32_t end)
 {
    __gen_validate_value(v);
 
@@ -105,7 +111,7 @@ __gen_sint(int64_t v, uint32_t start, uint32_t end)
 }
 
 static inline uint64_t
-__gen_offset(uint64_t v, uint32_t start, uint32_t end)
+__gen_offset(uint64_t v, NDEBUG_UNUSED uint32_t start, NDEBUG_UNUSED uint32_t end)
 {
    __gen_validate_value(v);
 #ifndef NDEBUG
@@ -144,7 +150,7 @@ __gen_sfixed(float v, uint32_t start, uint32_t end, uint32_t fract_bits)
 }
 
 static inline uint64_t
-__gen_ufixed(float v, uint32_t start, uint32_t end, uint32_t fract_bits)
+__gen_ufixed(float v, uint32_t start, NDEBUG_UNUSED uint32_t end, uint32_t fract_bits)
 {
    __gen_validate_value(v);
 
@@ -169,6 +175,8 @@ __gen_ufixed(float v, uint32_t start, uint32_t end, uint32_t fract_bits)
 #error #define __gen_combine_address before including this file
 #endif
 
+#undef NDEBUG_UNUSED
+
 #endif
 
 """
-- 
2.9.5