AlexIndustrial/mesa
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

util: mark s as MAYBE_UNUSED in _mesa_half_to_unorm8

Browse Source 
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 <kai@dev.carbon-project.org>
Reviewed-by: Timothy Arceri <tarceri@itsqueeze.com>
This commit is contained in:
Kai Wasserbäch
2018-08-17 16:32:31 +02:00
committed by Timothy Arceri
parent 0da93de9c8
commit 9387ca29ae
1 changed files with 2 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/util/half_float.c
+2 -1
View File
@@ -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))