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Re: XCode and SSE4.1?

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Re: XCode and SSE4.1?

Subject: Re: XCode and SSE4.1?
From: "Jan E. Schotsman" <email@hidden>
Date: Wed, 26 Nov 2008 10:22:13 +0100

Chris Espinosa wrote:

gcc 4.2 doesn't have support for SSE4. The FSF has SSE4 support in the gcc 4.3 codebase, but we haven't released that in Xcode.


I don't understand. I am using it here.

#if  __SSE4_1__

#include	<smmintrin.h>

//	SSE4 code

#endif

This compiles and I can step through it in the debugger.

/Developer/usr/lib/gcc/i686-apple-darwin9/4.2.1/include/smmintrin.h

I am using XCode 3.1.1 on a MacPro3,1. For testing you need a Penryn processor of course.

Jan E.
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