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Re: Options for using hardware implementation of remainder and square root on i32
- From: Ian Lance Taylor <iant at google dot com>
- To: tprince at computer dot org
- Cc: "Kwok\, Yipkei" <ykwok2 at miners dot utep dot edu>, gcc-help at gcc dot gnu dot org
- Date: Mon, 05 Jan 2009 11:42:49 -0800
- Subject: Re: Options for using hardware implementation of remainder and square root on i32
- References: <496138A9.1020304@miners.utep.edu> <49615235.9050804@sbcglobal.net>
Tim Prince <TimothyPrince@sbcglobal.net> writes:
> In order to support Fortran, gcc has a specific flag to turn off the
> sqrt retry, thus breaking errno and exception handling. Maybe g++
> -ffast-math or icpc -fp-model fast=2 might include such an option.
> Those are big hammers which evidently aren't suitable for general use.
See -fno-math-errno.
Ian