re PR tree-optimization/46590 (long compile time with -O2 and many loops)
authorMichael Matz <matz@suse.de>
Thu, 19 Jan 2012 15:06:04 +0000 (15:06 +0000)
committerMichael Matz <matz@gcc.gnu.org>
Thu, 19 Jan 2012 15:06:04 +0000 (15:06 +0000)
commitd5038d06d34cd0ed4229c0e6f3da8daefc6dcb21
treec76c4271fa6983ad65e44cfda02ebb2d7e4bdcb4
parente58d4228453c9e7036259acd104222bff680a880
re PR tree-optimization/46590 (long compile time with -O2 and many loops)

        PR tree-optimization/46590
* cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
use it in remembering which conflicts we already created.
(add_scope_conflicts): Adjust call to above, (de)allocate helper
bitmap.

From-SVN: r183305
gcc/ChangeLog
gcc/cfgexpand.c