[Bug rtl-optimization/22002] [4.0 Regression] internal consistency failure with -funroll-loops

amodra at bigpond dot net dot au gcc-bugzilla@gcc.gnu.org
Wed Nov 9 00:26:00 GMT 2005



------- 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.


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=22002



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