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Re: floating point precision on gcc-4 differs using variables orarrays

From: Asfand Yar Qazi <email at asfandyar dot cjb dot net>
To: Brian Budge <brian dot budge at gmail dot com>
Cc: gcc-help at gcc dot gnu dot org
Date: Fri, 25 Mar 2005 11:53:55 +0000
Subject: Re: floating point precision on gcc-4 differs using variables orarrays
References: <4243EA4B.4080908@asfandyar.cjb.net> <5b7094580503250334218321de@mail.gmail.com>

Brian Budge wrote:

I'm suspecting that sse is being used for the arrays because they
happen to be appropriately sized.  If I remember correctly, gcc4 was
to introduce some autovectorization.  Perhaps that's whats going on.

Brian

SSE is being used because I told it to (-mfpmath=sse)

That's not the issue, I don't want to insult your intelligence, I hope you won't get offended if I ask you to re-read the original post.

Follow-Ups:
- Re: floating point precision on gcc-4 differs using variables orarrays
  - From: Eljay Love-Jensen

References:
- floating point precision on gcc-4 differs using variables or arrays
  - From: Asfand Yar Qazi
- Re: floating point precision on gcc-4 differs using variables or arrays
  - From: Brian Budge

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