Only used, when asserts are enabled.
Fixes an unused-variable warning with gcc-8:
../../../src/util/half_float.c: In function '_mesa_half_to_unorm8':
../../../src/util/half_float.c:189:14: warning: unused variable 's'
[-Wunused-variable]
const int s = (val >> 15) & 0x1;
^
Signed-off-by: Kai Wasserbäch <[email protected]>
---
src/util/half_float.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/src/util/half_float.c b/src/util/half_float.c
index 2eff2c84f5..63aec5c5c1 100644
--- a/src/util/half_float.c
+++ b/src/util/half_float.c
@@ -28,6 +28,7 @@
#include <assert.h>
#include "half_float.h"
#include "rounding.h"
+#include "macros.h"
typedef union { float f; int32_t i; uint32_t u; } fi_type;
@@ -186,7 +187,7 @@ uint8_t _mesa_half_to_unorm8(uint16_t val)
{
const int m = val & 0x3ff;
const int e = (val >> 10) & 0x1f;
- const int s = (val >> 15) & 0x1;
+ MAYBE_UNUSED const int s = (val >> 15) & 0x1;
/* v = round_to_nearest(1.mmmmmmmmmm * 2^(e-15) * 255)
* = round_to_nearest((1.mmmmmmmmmm * 255) * 2^(e-15))
--
2.18.0
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