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authorKristian Høgsberg <[email protected]>2010-05-11 12:07:10 -0400
committerKristian Høgsberg <[email protected]>2010-05-11 14:06:22 -0400
commit199b0894b501607bf8d599ef5efc08cd6c08c79d (patch)
tree7c545c23739311eee3c8897b2a1d3b7ee09dae92 /src/mesa/main/compiler.h
parent08e443a1c8218e43dcd953859843d95d9020a892 (diff)
mesa: Optimize get.c by using a table-driven approach
Diffstat (limited to 'src/mesa/main/compiler.h')
-rw-r--r--src/mesa/main/compiler.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/src/mesa/main/compiler.h b/src/mesa/main/compiler.h
index 81704ae2c11..efd8057608c 100644
--- a/src/mesa/main/compiler.h
+++ b/src/mesa/main/compiler.h
@@ -200,6 +200,13 @@ extern "C" {
# define __builtin_expect(x, y) x
#endif
+#ifdef __GNUC__
+#define likely(x) __builtin_expect(!!(x), 1)
+#define unlikely(x) __builtin_expect(!!(x), 0)
+#else
+#define likely(x) !!(x)
+#define unlikely(x) !!(x)
+#endif
/**
* The __FUNCTION__ gcc variable is generally only used for debugging.