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target-i386: Use clz/ctz for bsf/bsr helpers
authorRichard Henderson <rth@twiddle.net>
Mon, 21 Jan 2013 19:52:26 +0000 (11:52 -0800)
committerRichard Henderson <rth@twiddle.net>
Wed, 20 Feb 2013 07:05:18 +0000 (23:05 -0800)
commitf1300734cbca515d30953b2c87e259fa378ea301
treee61083d1d2fc5eb5e7fe1eda95973e3f16231c58tree
parentcd7f97cafdd80d6bd4950ccfdcd9acb7850184b2commit | diff
target-i386: Use clz/ctz for bsf/bsr helpers

And mark the helpers as NO_RWG_SE.

Signed-off-by: Richard Henderson <rth@twiddle.net>
target-i386/helper.h diff | blob | blame | history
target-i386/int_helper.c diff | blob | blame | history
Qemu copy for testing