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[Bug optimization/11394] optimization leads to broken double comparison
- From: "pinskia at physics dot uc dot edu" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 1 Jul 2003 18:36:16 -0000
- Subject: [Bug optimization/11394] optimization leads to broken double comparison
- References: <20030701182948.11394.gccbug@chiefrocker.net>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=11394
pinskia at physics dot uc dot edu changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |RESOLVED
Resolution| |DUPLICATE
------- Additional Comments From pinskia at physics dot uc dot edu 2003-07-01 18:36 -------
Read bug 323. This bug is invalid as it is the excessive precession problem with x86 using 80bit
versus 64bit.
>From that bug:
See any faq on numerical analysis that mentions the x86.
You are seeing the results of excess precision in the FPU.
Either change the rounding precision in the FPCR, or work
around the problem with -ffloat-store.
*** This bug has been marked as a duplicate of 323 ***