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Re: What is acceptable for -ffast-math? (Was: associative law incombine)
- To: Joern Rennecke <amylaar at redhat dot com>
- Subject: Re: What is acceptable for -ffast-math? (Was: associative law incombine)
- From: Linus Torvalds <torvalds at transmeta dot com>
- Date: Tue, 31 Jul 2001 10:10:39 -0700 (PDT)
- cc: Gabriel Dos Reis <gdr at codesourcery dot com>, <dewar at gnat dot com>, <aoliva at redhat dot com>, <gcc at gcc dot gnu dot org>, <moshier at moshier dot ne dot mediaone dot net>, <tprince at computer dot org>
On Tue, 31 Jul 2001, Joern Rennecke wrote:
>
> > That said, I don't mind about -fdubious-math as far as it is not the
> > default, nor turned on at any level of optimization.
>
> For a user, it's hard to guess or remember user that -fdubious-math
> and -ffast-math are related. How about -ffast-and-loose-math ?
What are you guys smoking?
The _definition_ of "-ffast-math" is "fast and loose". It says so. Try
this:
gcc -v --help 2>&1 | grep fast-math
Don't introduce new flags and names.
Linus