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re PR rtl-optimization/49936 (IRA handles CANNOT_CHANGE_MODE_CLASS poorly, + spills...
authorVladimir Makarov <vmakarov@redhat.com>
Fri, 19 Aug 2011 22:17:26 +0000 (22:17 +0000)
committerVladimir Makarov <vmakarov@gcc.gnu.org>
Fri, 19 Aug 2011 22:17:26 +0000 (22:17 +0000)
commit3bb19a90c8d642f6659a20cc6d2e51d3de25b0a4
tree58608fae12ae7e877ca12b2fd9744af635d10486tree
parent02ee3d31539a74740040921e34e38035fbd8ac72commit | diff
re PR rtl-optimization/49936 (IRA handles CANNOT_CHANGE_MODE_CLASS poorly, + spills to memory on 4.7)

2011-08-19  Vladimir Makarov  <vmakarov@redhat.com>

PR rtl-optimization/49936
* ira.c (ira_init_register_move_cost): Ignore too small subclasses
for calculation of max register move costs.

From-SVN: r177916
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