Messages in this thread | | | Date | Tue, 13 Aug 2002 15:42:05 -0700 | From | "H. Peter Anvin" <> | Subject | Re: [patch 4/21] fix ARCH_HAS_PREFETCH |
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Adrian Bunk wrote: > > Ah, my misunderstanding: > "optimize away" didn't mean "completely remove it" but "transform it to > something semantically equivalent". >
The thing is that gcc has a special rule that keeps it from optimizing it into something with less than O(n) time.
-=hpa
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