Merge with 5653c3aa411a13f9d9eba43f93f34e33d5dd9a31

[arc.git] / include / hc1x / Cpu.h

diff --git a/include/hc1x/Cpu.h b/include/hc1x/Cpu.h
index 6c91d89d19dada605bd6bbaea91a4935280dd3a1..0aff7bf03a780fd682eaf0bc6f34c625d8fd59c8 100644 (file)
--- a/include/hc1x/Cpu.h
+++ b/include/hc1x/Cpu.h
@@ -48,4 +48,5 @@ static inline void _Irq_Disable_restore(unsigned long flags)
    asm volatile ("tfr %0, CCR" : : "r" (flags) );\r
 }\r
 \r
+#define ilog2(x) __builtin_ffs(x)\r
 #endif /* CPU_H_ */\r