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Re: [RFH] - Less than optimal code compiling 252.eon -O2 for x86
On Jun 24, 2005, at 3:16 PM, Andrew Pinski wrote:
I wonder why combine can do the simplification though which is why
still
produce good code for the simple testcase:
void f1(double *d,float *f2)
{
*f2 = 0.0;
*d = 0.0;
}
It is hard to reproduce the simple test case, exhibiting the same
problem (-O1 producing better code than -O2). Yes, small test cases
move the desired simplification to other phases.
- fariborz
Thanks,
Andrew Pinski