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Re: [Discuss-gnuradio] Writing SIMD code with sse


From: Dominik Auras
Subject: Re: [Discuss-gnuradio] Writing SIMD code with sse
Date: Wed, 12 Dec 2007 20:18:20 +0100
User-agent: Thunderbird 2.0.0.9 (X11/20071115)

Hi,

Just found a small error.

You should exchange
__builtin_ia32_punpcklwd128(x,x)),16));
__builtin_ia32_punpckhwd128(x,x)),16));
(note the h/l).

First ..hwd, then ..lwd.

Dominik




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