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-rw-r--r--target-arm/helper.c12
1 files changed, 1 insertions, 11 deletions
diff --git a/target-arm/helper.c b/target-arm/helper.c
index 65b9ff5ad0..12ea88fd52 100644
--- a/target-arm/helper.c
+++ b/target-arm/helper.c
@@ -5044,17 +5044,7 @@ uint32_t HELPER(udiv)(uint32_t num, uint32_t den)
uint32_t HELPER(rbit)(uint32_t x)
{
- x = ((x & 0xff000000) >> 24)
- | ((x & 0x00ff0000) >> 8)
- | ((x & 0x0000ff00) << 8)
- | ((x & 0x000000ff) << 24);
- x = ((x & 0xf0f0f0f0) >> 4)
- | ((x & 0x0f0f0f0f) << 4);
- x = ((x & 0x88888888) >> 3)
- | ((x & 0x44444444) >> 1)
- | ((x & 0x22222222) << 1)
- | ((x & 0x11111111) << 3);
- return x;
+ return revbit32(x);
}
#if defined(CONFIG_USER_ONLY)