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[Bug rtl-optimization/22002] [4.0 Regression] internal consistency failure with -funroll-loops
- From: "amodra at bigpond dot net dot au" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 9 Nov 2005 00:26:00 -0000
- Subject: [Bug rtl-optimization/22002] [4.0 Regression] internal consistency failure with -funroll-loops
- References: <bug-22002-3760@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #8 from amodra at bigpond dot net dot au 2005-11-09 00:25 -------
Uggh, that was too simplistic. We really do need to search back from i3 in
other cases, eg. when combine extends a reg lifetime. It seems that we need to
check for other sets of a dead reg between from_insn and i3.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=22002