[Bug target/42553] wrong code with -O1
------- Comment #3 from ubizjak at gmail dot com 2010-01-04 16:07 -------
(In reply to comment #2)
> The inline-asm is totally incorrect here ...
Actually, the asm is correct, it is just a couple of volatiles that are
missing. Please see arch/x86/include/asm/bitops.h from linux-2.6 for correct
implementation.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42553
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