tree-outof-ssa.c
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re PR middle-end/39976 (Big sixtrack degradation on powerpc 32/64 after revision r146817) · ce985b43PR middle-end/39976 * tree-outof-ssa.c (maybe_renumber_stmts_bb): New function. (trivially_conflicts_p): New function. (insert_backedge_copies): Use it. From-SVN: r147494Michael Matz committed