[PATCH] Use -frounding-math for math testsuite

[Joseph S. Myers]

On Wed, 2 May 2012, Andreas Jaeger wrote:

> I expect that we only need it for libc and libm.
> 
> We could add this for specific directories but this is all difficult.
> 
> Alternative would be to set it to the global compiler options like
> +merge-constants - and thus changing everything. Would this be ok or is there
> a better way?

I think that would be OK, and probably wouldn't affect the generated code 
other than for libc and libm.

-- 
Joseph S. Myers
joseph@codesourcery.com