From 7bbcb0afe715c36545bbbd872441c473927c1a4e Mon Sep 17 00:00:00 2001 From: Aurelien Jarno Date: Thu, 15 Oct 2009 23:14:52 +0200 Subject: target-arm: use clz32() instead of a for loop Signed-off-by: Aurelien Jarno Acked-by: Laurent Desnogues --- target-arm/helper.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) (limited to 'target-arm/helper.c') diff --git a/target-arm/helper.c b/target-arm/helper.c index 701629af3a..656b5df9ec 100644 --- a/target-arm/helper.c +++ b/target-arm/helper.c @@ -7,6 +7,7 @@ #include "gdbstub.h" #include "helpers.h" #include "qemu-common.h" +#include "host-utils.h" static uint32_t cortexa8_cp15_c0_c1[8] = { 0x1031, 0x11, 0x400, 0, 0x31100003, 0x20000000, 0x01202000, 0x11 }; @@ -394,10 +395,7 @@ uint32_t HELPER(uxtb16)(uint32_t x) uint32_t HELPER(clz)(uint32_t x) { - int count; - for (count = 32; x; count--) - x >>= 1; - return count; + return clz32(x); } int32_t HELPER(sdiv)(int32_t num, int32_t den) -- cgit v1.2.1