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Re: 100% speed improvement 3.4 -> 3.5 for ia64!! (?)

From: "Kaveh R. Ghazi" <ghazi at caip dot rutgers dot edu>
To: rguenth at tat dot physik dot uni-tuebingen dot de
Cc: gcc at gcc dot gnu dot org
Date: Wed, 14 Apr 2004 08:15:53 -0400 (EDT)
Subject: Re: 100% speed improvement 3.4 -> 3.5 for ia64!! (?)
References: <Pine.LNX.4.53.0404141150570.8230@bellatrix.tat.physik.uni-tuebingen.de>

 > Anyone has an idea what improved so much for ia64 compared to 3.4?
 > Only flags I'm using are -O2 -funroll-loops -ffast-math, numerics are
 > mostly FP multiplication/addition.  Do I need to be concerned and
 > investigate results more closely?

I'm curious, how does 3.4/3.5 compare when you remove -ffast-math?

A lot of -ffast-math changes went in and I don't recall how many made
it into 3.4.  So I'd like to know what the difference is (if any)
between those versions when using slow (?) math.

		Thanks,
		--Kaveh
--
Kaveh R. Ghazi			ghazi@caip.rutgers.edu

Follow-Ups:
- Re: 100% speed improvement 3.4 -> 3.5 for ia64!! (?)
  - From: Richard Guenther

References:
- 100% speed improvement 3.4 -> 3.5 for ia64!! (?)
  - From: Richard Guenther

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