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target-arm: Use new revbit functions

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Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <rth@twiddle.net>
This commit is contained in:
Richard Henderson 2015-09-14 13:38:53 -07:00
parent 652a4b7e73
commit 42fedbca8f
2 changed files with 2 additions and 25 deletions
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12
target-arm/helper.c
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@ -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)