X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=include%2Fcompiler.h;h=91dbe56994c240c42be04b9d9e848e0e7a1f33c5;hb=0333cfe618eb3ba8ce1001106bf5c3b9fe9af36e;hp=272fd3cf628c758f9a4d5f019d2a093f2955c47a;hpb=37566090766d61beef70c62986b90749920255d8;p=u-boot

diff --git a/include/compiler.h b/include/compiler.h
index 272fd3cf62..91dbe56994 100644
--- a/include/compiler.h
+++ b/include/compiler.h
@@ -25,8 +25,6 @@
 #include <stdio.h>
 #include <string.h>
 
-extern int errno;
-
 #if !defined(__WIN32__) && !defined(__MINGW32__)
 # include <sys/mman.h>
 #endif
@@ -49,12 +47,12 @@ extern int errno;
 #elif defined(__MACH__)
 # include <machine/endian.h>
 typedef unsigned long ulong;
-typedef unsigned int  uint;
 #endif
 
 typedef uint8_t __u8;
 typedef uint16_t __u16;
 typedef uint32_t __u32;
+typedef unsigned int uint;
 
 #define uswap_16(x) \
 	((((x) & 0xff00) >> 8) | \
@@ -122,4 +120,10 @@ typedef unsigned int            uintptr_t;
 
 #endif
 
+/* compiler options */
+#define uninitialized_var(x)		x = x
+
+#define likely(x)	__builtin_expect(!!(x), 1)
+#define unlikely(x)	__builtin_expect(!!(x), 0)
+
 #endif