[Bug c++/11618] Floating point values not reproduced at -O3 with a simple C++ copy constructor.
pinskia at gcc dot gnu dot org
gcc-bugzilla@gcc.gnu.org
Mon Jul 21 17:28:00 GMT 2003
PLEASE REPLY TO gcc-bugzilla@gcc.gnu.org ONLY, *NOT* gcc-bugs@gcc.gnu.org.
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=11618
pinskia at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |RESOLVED
Resolution| |DUPLICATE
------- Additional Comments From pinskia at gcc dot gnu dot org 2003-07-21 17:28 -------
>From bug 323 (of which this is a dup of):
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 ***
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