Messages in this thread | | | Date | Fri, 28 Jan 2000 19:18:16 -0800 | From | "H. Peter Anvin" <> | Subject | Re: Code optimization <LEA Instruction> |
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Alan Cox wrote: > > > > (On Crusoe, of course, either of these become a single VLIW "add" atom > > > and thus are completely equivalent.) > > > > Humm... do the gcc folks know about this stuff? Should be interesting to > > integrate into instruction scheduling... > > New game - the Crusoe has to know about gcc instead, and I suspect it does >
Not directly, although Crusoe's optimizer does quite well on gcc-generated code. We didn't need to turn it into a big project, because gcc's code seems to do just fine with the default optimization heuristics.
-hpa
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