2015-07-24 Gary Funck <gary@intrepid.com>
PR middle-end/66984
* fold-const.c (fold_binary_loc): Call fold_convert on arguments to
fold_build2 for CEIL_DIV_EXPR and FLOOR_DIV_EXPR optimization.
From-SVN: r226168
PR 66714
gcc/
* tree-cfg.c (struct replace_decls_d): New struct.
(replace_block_vars_by_duplicates_1): New function.
(replace_block_vars_by_duplicates): Use it to replace the decls
in the value exprs by duplicates.
libgomp/
* testsuite/libgomp.c/pr66714.c: New test.
From-SVN: r226160
2015-07-24 Szabolcs Nagy <szabolcs.nagy@arm.com>
PR target/65711
* config/aarch64/aarch64-linux.h (LINUX_TARGET_LINK_SPEC): Move
-dynamic-linker within %{!static %{!shared, and -rdynamic within
%{!static.
From-SVN: r226158
2015-07-24 Richard Biener <rguenther@suse.de>
* genmatch.c (struct dt_node): Add statistic fields.
(dt_node::analyze): New method.
(decision_tree::gen_gimple): Call analyze on the root node
and print statistics to stderr.
(decision_tree::gen_generic): Likewise.
From-SVN: r226154
2015-07-24 Richard Biener <rguenther@suse.de>
* fold-const.c (fold_binary_loc): Move simplifying of comparisons
against the highest or lowest possible integer ...
* match.pd: ... as patterns here.
From-SVN: r226153
2015-07-24 Richard Biener <rguenther@suse.de>
* genmatch.c (struct capture_info): Add same_as field.
(capture_info::capture_info): Initialize same_as.
(capture_info::walk_match): Compute same_as.
(capture_info::walk_result): Compute stuff for the leader.
(capture_info::walk_c_expr): Likewise.
(dt_simplify::gen_1): Only look at leaders when deciding
to force no side-effects or emit side-effects of omitted operands.
From-SVN: r226152
gcc/ChangeLog:
2015-07-24 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
* config/s390/s390.c (s390_save_gprs_to_fprs): Add CFA_REGISTER
reg note to the GPR -> FPR save instructions.
gcc/testsuite/ChangeLog:
2015-07-24 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
* gcc.target/s390/gpr2fprsavecfi.c: New test.
From-SVN: r226149
gcc/ChangeLog:
2015-07-24 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
* config/s390/s390.c (s390_rtx_costs): Make risbg patterns
cheaper.
(s390_expand_insv): Don't generate risbg pattern for constant zero
sources.
* config/s390/s390.md ("*insv<mode>_zEC12_appendbitsleft")
("*insv<mode>_z10_appendbitsleft"): New pattern definitions. New
splitters.
gcc/testsuite/ChangeLog:
2015-07-24 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
* gcc.target/s390/insv-1.c: New test.
* gcc.target/s390/insv-2.c: New test.
* gcc.target/s390/insv-3.c: New test.
From-SVN: r226148
2015-07-24 Richard Biener <rguenther@suse.de>
* fold-const.c (maybe_canonicalize_comparison_1): Move
A code CST canonicalization ...
* match.pd: ... to a pattern here.
cp/
* init.c (build_vec_init): Build iterator bound in the same
type as the iterator.
From-SVN: r226143
2015-07-24 Richard Biener <rguenther@suse.de>
* genmatch.c (add_operator): Allow SSA_NAME as predicate.
* fold-const.c (fold_comparison): Move parameter does not
alias &local simplification ...
* match.pd: ... as a pattern here.
From-SVN: r226140
2015-07-24 Richard Biener <rguenther@suse.de>
* gimple-fold.c (replace_stmt_with_simplification): Special-case
valueizing call operands.
* gimple-match-head.c (maybe_push_res_to_seq): Take
number of call arguments from ops array.
(do_valueize): New function.
(gimple_simplify): Return true if valueization changed
any operand even if the result didn't simplify further.
From-SVN: r226139
PR lto/66752
* tree-ssa-threadedge.c (simplify_conrol_stmt_condition): If we are
unable to find X NE 0 in the tables, return X as the simplified
condition.
(fsm_find_control_statement_thread_paths): If nodes in NEXT_PATH are
in VISISTED_BBS, then return failure. Else add nodes from NEXT_PATH
to VISISTED_BBS. */
* tree-ssa-threadupdate.c (duplicate_thread_path): Fix up edge flags
after removing the control flow statement and unnecessary edges.
testsuite/
PR lto/66752
* gcc.dg/tree-ssa/pr66752-2.c: New test.
* gcc.dg/torture/pr66752-1.c: New test
* g++.dg/torture/pr66752-2.C: New test.
From-SVN: r226125
for gcc/ChangeLog
PR rtl-optimization/64164
* Makefile.in (OBJS): Drop tree-ssa-copyrename.o.
* tree-ssa-copyrename.c: Removed.
* opts.c (default_options_table): Drop -ftree-copyrename. Add
-ftree-coalesce-vars.
* passes.def: Drop all occurrences of pass_rename_ssa_copies.
* common.opt (ftree-copyrename): Ignore.
(ftree-coalesce-inlined-vars): Likewise.
* doc/invoke.texi: Remove the ignored options above.
* gimple-expr.h (gimple_can_coalesce_p): Move declaration
* tree-ssa-coalesce.h: ... here.
* tree-ssa-uncprop.c: Include tree-ssa-coalesce.h and other
headers required by it.
* gimple-expr.c (gimple_can_coalesce_p): Allow coalescing
across variables when flag_tree_coalesce_vars. Check register
use and promoted modes to allow coalescing. Moved to
tree-ssa-coalesce.c.
* tree-ssa-live.c (struct tree_int_map_hasher): Move along
with its member functions to tree-ssa-coalesce.c.
(var_map_base_init): Likewise. Renamed to
compute_samebase_partition_bases.
(partition_view_normal): Drop want_bases parameter.
(partition_view_bitmap): Likewise.
* tree-ssa-live.h: Adjust declarations.
* tree-ssa-coalesce.c: Include explow.h.
(build_ssa_conflict_graph): Process PARM_ and RESULT_DECLs's
default defs at the entry point.
(dump_part_var_map): New.
(compute_optimized_partition_bases): New, called by...
(coalesce_ssa_name): ... when flag_tree_coalesce_vars, instead
of compute_samebase_partition_bases. Adjust.
* alias.c (nonoverlapping_memrefs_p): Disregard gimple-regs.
* cfgexpand.c (leader_merge): New.
(get_rtl_for_parm_ssa_default_def): New.
(set_rtl): Merge exprs and attrs, even for MEMs and non-SSA
vars. Update DECL_RTL for PARM_DECLs and RESULT_DECLs too.
(expand_one_stack_var_at): Handle anonymous SSA_NAMEs. Drop
redundant MEM attr setting.
(expand_one_stack_var_1): Handle anonymous SSA_NAMEs. Renamed
from...
(expand_one_stack_var): ... this. New wrapper to check and
skip already expanded SSA partitions.
(record_alignment_for_reg_var): New, factored out of...
(expand_one_var): ... this.
(expand_one_ssa_partition): New.
(adjust_one_expanded_partition_var): New.
(expand_one_register_var): Check and skip already expanded SSA
partitions.
(expand_used_vars): Don't create DECLs for anonymous SSA
names. Expand all SSA partitions, then adjust all SSA names.
(pass::execute): Replace the loops that set
SA.partition_to_pseudo from partition leaders and cleared
DECL_RTL for multi-location variables, and that which used to
rename vars and set attrs, with one that clears DECL_RTL and
checks that PARMs and RESULTs default_defs match DECL_RTL.
* cfgexpand.h (get_rtl_for_parm_ssa_default_def): Declare.
* emit-rtl.c (set_reg_attrs_for_parm): Handle NULL decl.
* explow.c (promote_ssa_mode): New.
* explow.h (promote_ssa_mode): Declare.
* expr.c (expand_expr_real_1): Handle anonymous SSA_NAMEs.
* function.c: Include cfgexpand.h.
(use_register_for_decl): Handle SSA_NAMEs, anonymous or not.
(use_register_for_parm_decl): Wrapper for the above to
special-case the result_ptr.
(rtl_for_parm): Ditto for get_rtl_for_parm_ssa_default_def.
(split_complex_args): Take assign_parm_data_all argument.
Pass it to rtl_for_parm. Set up rtl and context for split
args.
(assign_parms_augmented_arg_list): Adjust.
(maybe_reset_rtl_for_parm): Reset DECL_RTL of parms with
multiple locations. Recognize split complex args.
(assign_parm_adjust_stack_rtl): Add all and parm arguments,
for rtl_for_parm. For SSA-assigned parms, zero stack_parm.
(assign_parm_setup_block): Prefer SSA-assigned location.
(assign_parm_setup_reg): Likewise. Use entry_parm for equiv
if stack_parm is NULL.
(assign_parm_setup_stack): Prefer SSA-assigned location.
(assign_parms): Maybe reset DECL_RTL of params. Adjust stack
rtl before testing for pointer bounds. Special-case result_ptr.
(expand_function_start): Maybe reset DECL_RTL of result.
Prefer SSA-assigned location for result and static chain.
Factor out DECL_RESULT and SET_DECL_RTL.
* tree-outof-ssa.c (insert_value_copy_on_edge): Handle
anonymous SSA names. Use promote_ssa_mode.
(get_temp_reg): Likewise.
(remove_ssa_form): Adjust.
* stor-layout.c (layout_decl): Don't set mem attributes of
non-MEMs.
* var-tracking.c (dataflow_set_clear_at_call): Take call_insn
and get its reg_usage for reg invalidation.
(compute_bb_dataflow): Pass it insn.
(emit_notes_in_bb): Likewise.
for gcc/testsuite/ChangeLog
* gcc.dg/guality/pr54200.c: Add -fno-tree-coalesce-vars.
* gcc.dg/ssp-1.c: Make counter a register.
* gcc.dg/ssp-2.c: Likewise.
* gcc.dg/torture/parm-coalesce.c: New.
From-SVN: r226113
2015-07-23 Richard Biener <rguenther@suse.de>
* gimple-fold.c (fold_gimple_cond): Do not require folding
results to pass valid_gimple_rhs_p.
* tree-cfg.h (fold_cond_expr_cond): Remove.
* tree-cfg.c (fold_cond_expr_cond): Likewise.
(make_edges): Do not call it.
* tree-inline.c (tree_function_versioning): Likewise.
From-SVN: r226109
2015-07-23 Richard Biener <rguenther@suse.de>
PR tree-optimization/66945
* tree-ssa-propagate.c (substitute_and_fold_dom_walker
::before_dom_children): Force the propagators idea of
non-executable edges to materialize, not what the folder
chooses.
* gcc.dg/torture/pr66945.c: New testcase.
From-SVN: r226088
Jeff Law
Kyrylo Tkachov
Uros Bizjak
Nathan Sidwell
Gary Funck
Tom de Vries
Cesar Philippidis
Szabolcs Nagy
Ilya Enkovich
Richard Biener
Andreas Krebbel
Dominik Vogt
Jiong Wang
Naveen H.S
Kugan Vivekanandarajah
Uros Bizjak
Jeff Law
Bernd Edlinger
Alexandre Oliva
Segher Boessenkool
Richard Biener
Yuri Rumyantsev
Prachi Godbole
DJ Delorie
Bernd Schmidt
James Greenhalgh
Robert Suchanek