Hi,all There are some small problems that block the ira to make the best choice, as PR61241 shows. This patch fix PR61241. I have done "make bootstrap" and "make check" on x86, nothing changed after the patch. Is the patch OK for trunk?
Thanks Ma Jiang 2014-05-20 Ma Jiang <ma.ji...@zte.com.cn> PR rtl-opti/61221 * ira-lives.c (process_bb_node_lives): Clear unnecessary hard register conflicts.
irabug.patch
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