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(parent: b94a8a1) | patch
re PR debug/53740 (--enable-checking=yes,rtl bootstrap failure with ada)
authorAlexandre Oliva <aoliva@redhat.com>
Thu, 28 Jun 2012 07:39:25 +0000 (07:39 +0000)
committerAlexandre Oliva <aoliva@gcc.gnu.org>
Thu, 28 Jun 2012 07:39:25 +0000 (07:39 +0000)
commit6f9e260c80f8aa7d49a2c809e17d62686c5f13a6
tree5cb806a55543696d39711d3f54d8308c3a5c7ce9tree
parentb94a8a1239c4ec4ec50bbcd24fa85cae912b3a8ecommit | diff
re PR debug/53740 (--enable-checking=yes,rtl bootstrap failure with ada)

PR debug/53740
PR debug/52983
PR debug/48866
* dce.c (word_dce_process_block): Check whether inserting debug
temps are needed even for needed insns.
(dce_process_block): Likewise.
* df-problems.c (dead_debug_add): Add comment about multi-regs.
(dead_debug_insert_temp): Likewise.  Don't subreg when we're
setting fewer regs than a multi-reg requires.

From-SVN: r189036
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