[Bug c/35709] severe perfromance degradation with "float complex" type
sergstesh at yahoo dot com
gcc-bugzilla@gcc.gnu.org
Wed Mar 26 20:58:00 GMT 2008
------- Comment #6 from sergstesh at yahoo dot com 2008-03-26 20:58 -------
(In reply to comment #5)
> As mentioned, use -fcx-limited-range.
>
Can't you add just _one_ command line switch: -old_behavior ?
Or -gcc_4_2_3_behavior ?
For example, I need FFTW3 with "float" rather than "double", and I need its
speed. I am not sure FFTW3 'configure' will add -fcx-limited-range.
Thanks in advance.
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=35709
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