SPEC 2000 results on PowerPC
Dale Johannesen
dalej@apple.com
Wed Aug 18 00:03:00 GMT 2004
On Aug 17, 2004, at 1:26 PM, Toon Moene wrote:
> Dale Johannesen wrote:
>
>> The hot code in wupwise is zgemm.f, loops ending 70 and 100, and
>> zaxpy.f, loop 30.
>> Multiply-add insns are very important.
>
> Which you won't get unless using -ffast-math.
It could in all these cases under the F77 "mathematically equivalent"
rule.
I suppose we don't because it can't tell there were no parentheses?
More information about the Gcc
mailing list