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[Bug rtl-optimization/14237] suboptimal comparison between long and long long
- From: "pinskia 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 Nov 2004 18:14:15 -0000
- Subject: [Bug rtl-optimization/14237] suboptimal comparison between long and long long
- References: <20040221105326.14237.kazu@cs.umass.edu>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Additional Comments From pinskia at gcc dot gnu dot org 2004-11-03 18:14 -------
For PPC, we have:
cmplw cr7,r0,r9
cmpw cr6,r0,r9
bgtlr- cr7
beq- cr6,L6
equality test can be done logically or arthimaticly so we don't need both cmp*'s.
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What |Removed |Added
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Last reconfirmed|2004-05-30 03:50:25 |2004-11-03 18:14:14
date| |
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=14237