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[Bug target/19506] [4.0 Regression] PovRay produces wrong pictures with -mfpmath=sse -ffast-math.
- From: "rth at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 22 Jan 2005 23:23:13 -0000
- Subject: [Bug target/19506] [4.0 Regression] PovRay produces wrong pictures with -mfpmath=sse -ffast-math.
- References: <20050118154405.19506.uros@kss-loka.si>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Additional Comments From rth at gcc dot gnu dot org 2005-01-22 23:23 -------
(In reply to comment #10)
> Should patch to sse_comparison_operator [...] be reverted in this case?
Nah. As I said in that message, allowing these operators in this manner
doesn't actually give the register allocator any more freedom, and therefore
doesn't do what was hoped. See e.g. alpha's movsicc_internal for an example
of how the comparisons would have to be reworked in order to give that freedom.
Anyway, fixed.
--
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
Resolution| |FIXED
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=19506