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-rw-r--r--gcc-4.9/gcc/ChangeLog136
1 files changed, 136 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/ChangeLog b/gcc-4.9/gcc/ChangeLog
index dee0fa3f9..fe9d7cec5 100644
--- a/gcc-4.9/gcc/ChangeLog
+++ b/gcc-4.9/gcc/ChangeLog
@@ -5,6 +5,33 @@
define_insn_and_split. Ensure operands[1] and operands[0] do not
get assigned the same register.
+2015-10-28 Yvan Roux <yvan.roux@linaro.org>
+ Sebastian Pop <s.pop@samsung.com>
+
+ Backport from trunk r221007, r221675, r222011.
+ 2015-04-11 Jakub Jelinek <jakub@redhat.com>
+
+ PR tree-optimization/65735
+ * tree-ssa-threadedge.c (fsm_find_control_statement_thread_paths):
+ Remove visited_phis argument, add visited_bbs, avoid recursing into the
+ same bb rather than just into the same phi node.
+ (thread_through_normal_block): Adjust caller.
+
+ 2015-03-25 Sebastian Pop <s.pop@samsung.com>
+
+ PR tree-optimization/65177
+ * tree-ssa-threadupdate.c (verify_seme): Renamed verify_jump_thread.
+ (bb_in_bbs): New.
+ (duplicate_seme_region): Renamed duplicate_thread_path. Redirect all
+ edges not adjacent on the path to the original code.
+
+ 2015-02-26 Sebastian Pop <s.pop@samsung.com>
+
+ PR tree-optimization/65048
+ * tree-ssa-threadupdate.c (valid_jump_thread_path): New.
+ (thread_through_all_blocks): Call valid_jump_thread_path.
+ Remove invalid FSM jump-thread paths.
+
2015-03-26 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
Backport of r214242, r214254, and bug fix patches from mainline
@@ -56,6 +83,83 @@
(entry_register): Likewise.
(web_main): Likewise.
+2015-03-05 Yvan Roux <yvan.roux@linaro.org>
+
+ Backport from trunk r212011, r214942, r214957, r215012, r215016, r218115
+ r218733, r218746, r220491.
+ 2015-02-06 Sebastian Pop <s.pop@samsung.com>
+ Brian Rzycki <b.rzycki@samsung.com>
+
+ PR tree-optimization/64878
+ * tree-ssa-threadedge.c: Include tree-ssa-loop.h.
+ (fsm_find_control_statement_thread_paths): Add parameter seen_loop_phi.
+ Stop recursion at loop phi nodes after having visited a loop phi node.
+
+ 2014-12-15 Richard Biener <rguenther@suse.de>
+
+ PR middle-end/64246
+ * cfgloop.c (mark_loop_for_removal): Make safe against multiple
+ invocations on the same loop.
+
+ 2014-12-15 Richard Biener <rguenther@suse.de>
+
+ PR tree-optimization/64284
+ * tree-ssa-threadupdate.c (duplicate_seme_region): Mark
+ the loop for removal if we copied the loop header.
+
+ 2014-11-27 Richard Biener <rguenther@suse.de>
+
+ PR tree-optimization/64083
+ * tree-ssa-threadupdate.c (thread_through_all_blocks): Do not
+ forcibly mark loop for removal the wrong way.
+
+ 2014-09-08 Richard Biener <rguenther@suse.de>
+
+ PR ipa/63196
+ * tree-inline.c (copy_loops): The source loop header should
+ always be non-NULL.
+ (tree_function_versioning): If loops need fixup after removing
+ unreachable blocks fix them.
+ * omp-low.c (simd_clone_adjust): Do not add incr block to
+ loop under construction.
+
+ 2014-09-08 Richard Biener <rguenther@suse.de>
+
+ PR bootstrap/63204
+ * cfgloop.c (mark_loop_for_removal): Track former header
+ unconditionally.
+ * cfgloop.h (struct loop): Add former_header member unconditionally.
+ * loop-init.c (fix_loop_structure): Enable bogus loop removal
+ diagnostic unconditionally.
+
+ 2014-09-05 Richard Biener <rguenther@suse.de>
+
+ * cfgloop.c (mark_loop_for_removal): Record former header
+ when ENABLE_CHECKING.
+ * cfgloop.h (strut loop): Add former_header member when
+ ENABLE_CHECKING.
+ * loop-init.c (fix_loop_structure): Sanity check loops
+ marked for removal if they re-appeared.
+
+ 2014-09-05 Richard Biener <rguenther@suse.de>
+
+ * cfgloop.c (mark_loop_for_removal): New function.
+ * cfgloop.h (mark_loop_for_removal): Declare.
+ * cfghooks.c (delete_basic_block): Use mark_loop_for_removal.
+ (merge_blocks): Likewise.
+ (duplicate_block): Likewise.
+ * except.c (sjlj_emit_dispatch_table): Likewise.
+ * tree-eh.c (cleanup_empty_eh_merge_phis): Likewise.
+ * tree-ssa-threadupdate.c (ssa_redirect_edges): Likewise.
+ (thread_through_loop_header): Likewise.
+
+ 2014-06-26 Richard Biener <rguenther@suse.de>
+
+ PR tree-optimization/61607
+ * tree-ssa-threadupdate.c (ssa_redirect_edges): Cancel the
+ loop if we redirected its latch edge.
+ (thread_block_1): Do not cancel loops prematurely.
+
2015-01-23 Jakub Jelinek <jakub@redhat.com>
PR middle-end/64734
@@ -111,6 +215,38 @@
* expr.c (expand_expr_real_1) <normal_inner_ref>: Use the expression to
set the memory attributes in all cases but clear MEM_EXPR if need be.
+2015-01-14 Yvan Roux <yvan.roux@linaro.org>
+
+ Backport from trunk r218451.
+ 2014-12-06 James Greenhalgh <james.greenhalgh@arm.com>
+ Sebastian Pop <s.pop@samsung.com>
+ Brian Rzycki <b.rzycki@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.
+
2015-01-14 Jakub Jelinek <jakub@redhat.com>
Backported from mainline