https://gcc.gnu.org/bugzilla/show_bug.cgi?id=54742
--- Comment #41 from Yvan Roux <yroux at gcc dot gnu.org> --- Author: yroux Date: Wed Jan 14 10:22:48 2015 New Revision: 219584 URL: https://gcc.gnu.org/viewcvs?rev=219584&root=gcc&view=rev Log: gcc/ 2015-01-14 Yvan Roux <yvan.r...@linaro.org> Backport from trunk r218451. 2014-12-06 James Greenhalgh <james.greenha...@arm.com> Sebastian Pop <s....@samsung.com> Brian Rzycki <b.rzy...@samsung.com> PR tree-optimization/54742 * params.def (max-fsm-thread-path-insns, max-fsm-thread-length, max-fsm-thread-paths): New. * doc/invoke.texi (max-fsm-thread-path-insns, max-fsm-thread-length, max-fsm-thread-paths): Documented. * tree-cfg.c (split_edge_bb_loc): Export. * tree-cfg.h (split_edge_bb_loc): Declared extern. * tree-ssa-threadedge.c (simplify_control_stmt_condition): Restore the original value of cond when simplification fails. (fsm_find_thread_path): New. (fsm_find_control_statement_thread_paths): New. (thread_through_normal_block): Call find_control_statement_thread_paths. * tree-ssa-threadupdate.c (dump_jump_thread_path): Pretty print EDGE_FSM_THREAD. (verify_seme): New. (duplicate_seme_region): New. (thread_through_all_blocks): Generate code for EDGE_FSM_THREAD edges calling duplicate_seme_region. * tree-ssa-threadupdate.h (jump_thread_edge_type): Add EDGE_FSM_THREAD. gcc/testsuite/ 2015-01-14 Yvan Roux <yvan.r...@linaro.org> Backport from trunk r218451. 2014-12-06 James Greenhalgh <james.greenha...@arm.com> Sebastian Pop <s....@samsung.com> Brian Rzycki <b.rzy...@samsung.com> PR tree-optimization/54742 * gcc.dg/tree-ssa/ssa-dom-thread-6.c: New test. * gcc.dg/tree-ssa/ssa-dom-thread-7.c: New test. Added: branches/linaro/gcc-4_9-branch/gcc/testsuite/gcc.dg/tree-ssa/ssa-dom-thread-6.c branches/linaro/gcc-4_9-branch/gcc/testsuite/gcc.dg/tree-ssa/ssa-dom-thread-7.c Modified: branches/linaro/gcc-4_9-branch/gcc/ChangeLog.linaro branches/linaro/gcc-4_9-branch/gcc/doc/invoke.texi branches/linaro/gcc-4_9-branch/gcc/params.def branches/linaro/gcc-4_9-branch/gcc/testsuite/ChangeLog.linaro branches/linaro/gcc-4_9-branch/gcc/tree-cfg.c branches/linaro/gcc-4_9-branch/gcc/tree-cfg.h branches/linaro/gcc-4_9-branch/gcc/tree-ssa-threadedge.c branches/linaro/gcc-4_9-branch/gcc/tree-ssa-threadupdate.c branches/linaro/gcc-4_9-branch/gcc/tree-ssa-threadupdate.h
