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Re: [patch] require sse3 for fisttp

Andrew Pinski <> writes:

> On Mon, 2006-09-18 at 07:10 -0700, Shantonu Sen wrote:
> > Another point:
> > 
> > 5) If a vendor wants the default -march on i386 to be something other  
> > than a circa 1980s processor at configure time, *and* support an  
> > x86_64 biarch compiler, it's difficult to pick a --with-arch that  
> > isn't nocona or later, since otherwise gcc will complain that the  
> > explicitly selected -march value does not support the x86-64  
> > instruction set. Having separate compiler default -march values for 32- 
> > bit and 64-bit might also allow the underlying issue of "why are you  
> > picking nocona when you don't really want that" to be addressed.
> Really this is a bug that Geoff introduced, didn't you see my reply to
> his patch and Geoff told me to fix his bug.

Hi Andrew,

Could you point me at the part of HJ's patch which addresses
Shantonu's comment?  I don't see it.  All I see is some extra error
checking, which would make it impossible instead of difficult to pick
a --with-cpu that isn't nocona or later.

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