[Bug rtl-optimization/17860] Wrong generated code for loop with varying bound

rguenth at tat dot physik dot uni-tuebingen dot de gcc-bugzilla@gcc.gnu.org
Thu Oct 7 10:18:00 GMT 2004


------- Additional Comments From rguenth at tat dot physik dot uni-tuebingen dot de  2004-10-07 10:18 -------
Subject: Re:  Wrong generated code for loop with
 varying bound

> Also not related to loop invariant motion.  The source is a bogus
> NOTE_INSN_LOOP_VTOP note: after CSE and GCSE's constant propagation, the loop
> is not anymore a duplicate of the loop-entry test:

Yes, 06.cse is the first wrong dump for with -O, 04.jump looks sane.



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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=17860



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