http://gcc.gnu.org/bugzilla/show_bug.cgi?id=21067
Richard Guenther changed:
What|Removed |Added
Status|UNCONFIRMED |RESOLVED
Resolution|
--- Comment #5 from vincent at vinc17 dot org 2006-05-22 01:08 ---
IMHO, -frounding-math should be the default, unless -ffast-math is given.
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=21067
--- Comment #4 from roger at eyesopen dot com 2006-05-20 15:14 ---
This problem is fixed by specifying the -frounding-math command line option,
which informs the compiler that non-default rounding modes may be used.
With gcc-3.4, specifying this command line option disables this potentia
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What|Removed |Added
CC||vincent at vinc17 dot org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=21067
--- Additional Comments From vincent at vinc17 dot org 2005-06-15 16:42
---
Even without , the function could be in a library called in a directed
rounding mode.
And one can change the rounding mode via a standard function in the glibc, no
need for a pragma.
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http://gcc.gnu.org/bu
--- Additional Comments From bagnara at cs dot unipr dot it 2005-04-17
08:52 ---
Subject: Re: Excessive optimization of floating point
expression
pinskia at gcc dot gnu dot org wrote:
> Note GCC does not know about the rounding mode,
This seems a good reason not to attempt optimizati
--- Additional Comments From pinskia at gcc dot gnu dot org 2005-04-17
07:34 ---
Note GCC does not know about the rounding mode, in fact the round mode is only
changeable in C99
by the #pragma which GCC does not do right now and I thought that is a
different PR already.
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