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[Bug target/43902] suboptimal MIPS widening multiply accumulate
- From: "wilson at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 3 May 2010 22:36:15 -0000
- Subject: [Bug target/43902] suboptimal MIPS widening multiply accumulate
- References: <bug-43902-338@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #4 from wilson at gcc dot gnu dot org 2010-05-03 22:36 -------
Created an attachment (id=20552)
--> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=20552&action=view)
trivial solution for original problem
This fixes the original problem, but does not fix the new breakage caused by
Bernd's patch to add the new optimize_widening_mul pass. So this works at -O
but not at -O2.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43902