[Intel-gfx] [PATCH i-g-t 2/4] aux: Don't evaluate several times the arguments of min() and max()
Damien Lespiau
damien.lespiau at intel.com
Wed Jul 1 16:21:41 PDT 2015
Signed-off-by: Damien Lespiau <damien.lespiau at intel.com>
---
lib/igt_aux.h | 12 ++++++++++--
1 file changed, 10 insertions(+), 2 deletions(-)
diff --git a/lib/igt_aux.h b/lib/igt_aux.h
index 9ea50de..2979314 100644
--- a/lib/igt_aux.h
+++ b/lib/igt_aux.h
@@ -91,8 +91,16 @@ void intel_require_memory(uint32_t count, uint32_t size, unsigned mode);
#define CHECK_SWAP 0x2
-#define min(a, b) ((a) < (b) ? (a) : (b))
-#define max(a, b) ((a) > (b) ? (a) : (b))
+#define min(a, b) ({ \
+ typeof(a) _a = (a); \
+ typeof(b) _b = (b); \
+ _a < _b ? _a : _b; \
+})
+#define max(a, b) ({ \
+ typeof(a) _a = (a); \
+ typeof(b) _b = (b); \
+ _a > _b ? _a : _b; \
+})
#define igt_swap(a, b) do { \
typeof(a) _tmp = (a); \
--
2.1.0
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