diff options
| author | Aurelien Jarno <aurelien@aurel32.net> | 2009-10-15 23:14:52 +0200 |
|---|---|---|
| committer | Aurelien Jarno <aurelien@aurel32.net> | 2009-10-23 00:05:17 +0200 |
| commit | 7bbcb0afe715c36545bbbd872441c473927c1a4e (patch) | |
| tree | ca10454ea334d1efb56abb5ce7a10663f1614c20 /target-arm | |
| parent | 102251a4f30d7a8187a029a49eb0dfadb6ac8087 (diff) | |
| download | qemu-7bbcb0afe715c36545bbbd872441c473927c1a4e.zip qemu-7bbcb0afe715c36545bbbd872441c473927c1a4e.tar.gz qemu-7bbcb0afe715c36545bbbd872441c473927c1a4e.tar.bz2 | |
target-arm: use clz32() instead of a for loop
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
Acked-by: Laurent Desnogues <laurent.desnogues@gmail.com>
Diffstat (limited to 'target-arm')
| -rw-r--r-- | target-arm/helper.c | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/target-arm/helper.c b/target-arm/helper.c index 701629a..656b5df 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) |