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[Bug optimization/14541] [tree-ssa] built-in math functions are not fully optimized at tree level
- From: "kazu at cs dot umass dot edu" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 4 May 2004 15:52:13 -0000
- Subject: [Bug optimization/14541] [tree-ssa] built-in math functions are not fully optimized at tree level
- References: <20040312001701.14541.kazu@cs.umass.edu>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Additional Comments From kazu at cs dot umass dot edu 2004-05-04 15:52 -------
Oops, I forgot -ffast-math. Still, if I go thourgh a temporary like so:
void
test (double d1)
{
double tem = exp (d1);
if (log (tem) != d1)
link_failure ();
}
the link_failure does not go away even with -ffast-math.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=14541