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Maxim Kuvyrkov b0aef8a83c re PR middle-end/40815 (redundant neg instruction caused by loop-invariant)
PR middle-end/40815
	* tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
	(negate_value): Move code to push elements to broken_up_substracts ...
	(eliminate_plus_minus_pair): ... here.  Push operands that have no
	negative pair to plus_negates.
	(repropagate_negates, init_reassoc, fini_reassoc): Update.

	PR middle-end/40815
	* gcc.dg/tree-ssa/reassoc-19.c: New.

From-SVN: r158105
2010-04-08 08:20:36 +00:00
boehm-gc
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gcc re PR middle-end/40815 (redundant neg instruction caused by loop-invariant) 2010-04-08 08:20:36 +00:00
gnattools
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libcpp diagnostic.h (diagnostic_override_option_index): New macro to set a diagnostic's option_index. 2010-04-07 17:18:10 +00:00
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libffi tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not used count variable. 2010-04-07 22:27:37 +02:00
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libiberty tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not used count variable. 2010-04-07 22:29:01 +02:00
libjava tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not used count variable. 2010-04-07 22:27:37 +02:00
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