ppc64 floating point usage [was Re: PPC64 Compiler bug !!]
Janis Johnson
janis187@us.ibm.com
Fri Jun 13 22:19:00 GMT 2003
On Fri, Jun 13, 2003 at 04:02:25PM -0500, linas@austin.ibm.com wrote:
> Bird in hand vs. two in the bush. We have Alan Modra's patch now, we
> don't have an acceptable -mno-implicit-float patch.
>
> There is concern that Alan's patch will negatively impact performance
> of fp code. Is there a way to unambiguously resolve this issue, or
> at least resolve it to everyones satisfaction?
>
> How would one do this? Visually inspect generated fp code? Run
> benchmarks? Which benchmarks?
Try the floating point tests from SPEC CPU2000.
Janis
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