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Re: [RFC PATCH, x86_64] Use -mno-sse[,2] to fall back to x87 FP argument passing convention


On Wed, 2006-10-04 at 11:49 +0200, Uros Bizjak wrote:
> Hello!

> 
> Attached RFC patch can be used to specify where FP arguments of
> different modes are passed. It is suprisingly short, as it piggybacks
> on existing XFmode functionality (XFmode arguments are always passed
> via x87 registers). So, specifying -mno-sse2 now passes DFmode
> arguments using x87 passing convention, instead of emitting an error
> that SSE register is used without SSE enabled.

I think this should be a different option.

Thanks,
Andrew Pinski


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