Messages in this thread | | | Date | Sun, 24 May 2009 11:46:08 -0700 | From | "H. Peter Anvin" <> | Subject | Re: [BUG FIX] Make x86_32 uni-processor Atomic ops, Atomic |
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Michael S. Zick wrote: > > Note: I have seem to recall that newer gcc's optimizer presume > that the flags register is preserved across asm - > It didn't use to do that - but there is now a "cc" to deal with > that - Have not yet audited for that, but it is high on my list. >
I am pretty sure that's false... if it was true we'd have failures all over the kernel.
-hpa
-- H. Peter Anvin, Intel Open Source Technology Center I work for Intel. I don't speak on their behalf.
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