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author	mkuvyrkov <mkuvyrkov@138bc75d-0d04-0410-961f-82ee72b054a4>
	Sat, 28 Apr 2012 01:56:54 +0000 (01:56 +0000)
committer	mkuvyrkov <mkuvyrkov@138bc75d-0d04-0410-961f-82ee72b054a4>
	Sat, 28 Apr 2012 01:56:54 +0000 (01:56 +0000)
commit	0f9b384de2d29d51baa356d56b8b8ee006b33e31
tree	fa87f8c36fc8d168b8c0ab80f20d01bb470d9374	tree \| snapshot
parent	ffe743cadddbe3aecc2f789ffb11f76175521374	commit \| diff

PR tree-optimization/38785
* common.opt (ftree-partial-pre): New option.
* doc/invoke.texi: Document it.
* opts.c (default_options_table): Initialize flag_tree_partial_pre.
* tree-ssa-pre.c (do_partial_partial_insertion): Insert only if it will
benefit speed path.
(execute_pre): Use flag_tree_partial_pre.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@186928 138bc75d-0d04-0410-961f-82ee72b054a4

gcc/ChangeLog		diff \| blob \| blame \| history
gcc/common.opt		diff \| blob \| blame \| history
gcc/doc/invoke.texi		diff \| blob \| blame \| history
gcc/opts.c		diff \| blob \| blame \| history
gcc/tree-ssa-pre.c		diff \| blob \| blame \| history

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