[Bug target/40672] constant address loads moved into loop unnecessarily

2009-07-07 Thread ramana at gcc dot gnu dot org
--- Comment #2 from ramana at gcc dot gnu dot org 2009-07-07 16:07 --- confirmed with trunk revision 149279. -- ramana at gcc dot gnu dot org changed: What|Removed |Added

[Bug target/40672] constant address loads moved into loop unnecessarily

2009-07-07 Thread drow at gcc dot gnu dot org
--- Comment #1 from drow at gcc dot gnu dot org 2009-07-07 15:03 --- It looks, roughly speaking, like the two nearby addresses are initially commonized. In the process, the use after the loop ends up sharing a REG with the use in the loop. Then the use in the loop is changed to use a n