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...esult.getValue(2); ReplaceUses(SDValue(N, 1), Result); } return NULL; } ISD::MUL is set to be expanded. -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.llvm.org/pipermail/llvm-dev/attachments/20100910/e7572deb/attachment.html>

On Sep 9, 2010, at 12:59 PM, Borja Ferrer wrote: > Hello, i've noticed a new possible missed optimization while testing more trivial code. > This time it's not a with a xor but with a multiplication instruction and the example is little bit more involved. > > C code: > > typedef short t; > t foo(t a, t b) > { > t a4 = a*b; > return a4; > } >

Hello, i've noticed a new possible missed optimization while testing more trivial code. This time it's not a with a xor but with a multiplication instruction and the example is little bit more involved. C code: typedef short t; t foo(t a, t b) { t a4 = a*b; return a4; } argument "a" is passed in R15:R14, argument "b" in R13:R12, the return value is stored in