[PATCH] add the -mrecip driver flag and process its options

[Hal Finkel]

----- Original Message -----
> From: "Sanjay Patel" <spatel at rotateright.com>
> To: spatel at rotateright.com, "Andrea DiBiagio" <Andrea_DiBiagio at sn.scee.net>, alexr at leftfield.org, hfinkel at anl.gov
> Cc: cfe-commits at cs.uiuc.edu
> Sent: Sunday, May 17, 2015 10:46:22 AM
> Subject: Re: [PATCH] add the -mrecip driver flag and process its options
> 
> In http://reviews.llvm.org/D8989#173900, @hfinkel wrote:
> 
> > '!' is used as the prefix to indicate disabling (not '-' as you
> > have here).
> 
> 
> Hmm...how does this ever work as advertised?
> 
>   $ gcc -O2 -ffast-math -mrecip=!sqrt recip.c
>   bash: !sqrt: event not found

You need quotes.

 -Hal

> 
> 
> http://reviews.llvm.org/D8989
> 
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-- 
Hal Finkel
Assistant Computational Scientist
Leadership Computing Facility
Argonne National Laboratory