2012-09-19 Steve Ellcey <sellcey@mips.com>
* config.gcc (mips*-mti-elf*): New target.
* config/mips/mti-elf.h: New file.
* config/mips/t-mti-elf: New file.
From-SVN: r191496
* dbgcnt.def (sched_breakdep): New counter.
* haifa-sched.c (update_insn_after_change): New static function,
broken out of haifa_change_pattern.
(haifa_change_pattern): Call it.
(dep_t heap vecs): Declare.
(INSN_COST): Define earlier.
(next_cycle_replace_deps, next_cycle_apply): New static
variables.
(apply_replacement): New static function.
(recompute_todo_spec): New argument FOR_BACKTRACK. All callers
changed. Handle DEP_REPLACE deps.
(contributes_to_priority_p): False for replaceable deps.
(must_restore_pattern_p, restore_pattern): New static functions.
(schedule_insn): Use them. Apply replacements for broken deps.
(struct haifa_saved_data): Add new fields to keep track of
replacements.
(save_backtrack_point): Initialize them.
(undo_replacements_for_backtrack): New static function.
(restore_last_backtrack_point, free_topmost_backtrack_point):
Use it and keep track of replacements.
(perform_replacements_new_cycle, undo_all_replacements): New static
functions.
(schedule_block): Call these two as necessary. Call
find_modifiable_mems.
(try_ready): Tweak the assert. Check for DEP_POSTPONED.
* sched-deps.c: Include "emit-rtl.h".
(init_dep_1): Initialize DEP_NONREG, DEP_MULTIPLE and DEP_REPLACE.
(dep_spec_p): True for DEP_REPLACE deps.
(mark_as_hard): New static variable.
(update_dep): Update DEP_NONREG and DEP_MULTIPLE.
(add_dependence_list): New argument hard. All callers changed. Set
and clear mark_as_hard around function body.
(add_dependence_list_and_free): Likewise.
(haifa_note_mem_dep): Set DEP_NONREG.
(haifa_note_dep): Likewise if mark_as_hard is true.
(sched_analyze_insn): Switch loop with if statement testing for
sel_sched_p.
(struct mem_inc_info): New.
(attempt_change, parse_add_or_inc, find_inc, find_mem): New static
functions.
(find_modifiable_mems): New function.
* sched-int.h (struct dep_replacement): New.
(struct _dep): Add replace, nonreg and multiple fields. Make type and
cost bitfields.
(UNKNOWN_DEP_COST): Change to match the bitfield.
(DEP_NONREG, DEP_MULTIPLE, DEP_REPLACE): New macros.
(DEP_POSTPONED): New macro.
(DEP_CANCELLED): Renumber.
(find_modifiable_mems): Declare.
(enum SCHED_FLAGS): Add DONT_BREAK_DEPENDENCIES.
* sched-rgn.c (init_ready_list): Set TODO_SPEC here.
(new_ready): Don't set HARD_DEP, use DEP_POSTPONED.
(debug_dependencies): Dump DEP_NONREG and DEP_MULTIPLE.
* Makefile.in (sched-deps.o): Update dependencies.
* config/c6x/c6x.c (in_hwloop): New static variable.
(c6x_set_sched_flags): If it is true, add DONT_BREAK_DEPENDENCIES.
(hwloop_optimize): Set and clear it around preliminary scheduling
pass.
From-SVN: r191493
2012-09-19 Tulio Magno Quites Machado Filho <tuliom@linux.vnet.ibm.com>
* gcc.target/powerpc/ppc-get-timebase.c: New file.
* gcc.target/powerpc/ppc-mftb.c: New file.
From-SVN: r191492
2012-09-19 Tulio Magno Quites Machado Filho <tuliom@linux.vnet.ibm.com>
* config/rs6000/rs6000-builtin.def: Add __builtin_ppc_get_timebase
and __builtin_ppc_mftb.
* config/rs6000/rs6000.c (rs6000_expand_zeroop_builtin): New
function to expand an expression that calls a built-in without
arguments.
(rs6000_expand_builtin): Add __builtin_ppc_get_timebase and
__builtin_ppc_mftb.
(rs6000_init_builtins): Likewise.
* config/rs6000/rs6000.md (rs6000_get_timebase): New pattern.
(rs6000_get_timebase_ppc32): New pattern.
(rs6000_mftb_<mode>): New pattern.
* doc/extend.texi (PowerPC Built-in Functions): New section.
(PowerPC AltiVec/VSX Built-in Functions):
Move some built-ins unrelated to Altivec/VSX to the new section.
2012-09-19 David Edelsohn <dje.gcc@gmail.com>
* rs6000.md (mac*): Remove extra spaces.
(mulhw*): Same.
From-SVN: r191491
PR target/54089
* config/sh/predicates.md (arith_reg_or_t_reg_operand): New predicate.
* config/sh/sh.md (*rotcr): Use arith_reg_or_t_reg_operand predicate.
Handle the case where one of the operands is T_REG.
Add new pattern to handle MSB extraction.
PR target/54089
* gcc.target/sh/pr54089-1.c (test_11, test_12, test_13, test_14): New
functions.
From-SVN: r191490
PR target/54236
* config/sh/sh.md (*addc): Add pattern to handle one bit left shifts.
PR target/54236
* gcc.target/sh/pr54236-1.c (test_08): Add one bit left shift case.
From-SVN: r191489
PR rtl-optimization/54290
* reload1.c (choose_reload_regs): Also take into account secondary MEMs
to remove address replacements for inherited reloads.
(replaced_subreg): Move around.
From-SVN: r191484
* symtab.c (insert_to_assembler_name_hash): Do not insert
register vars.
(unlink_from_assembler_name_hash): NULL out pointers of unlinked
var.
(symtab_prevail_in_asm_name_hash): New.
(symtab_initialize_asm_name_hash): Break out from ...
(symtab_node_for_asm): ... here.
(dump_symtab_base): Dump LTO file data.
(verify_symtab_base): Register vars are not in symtab.
* cgraph.h (symtab_initialize_asm_name_hash,
symtab_prevail_in_asm_name_hash): New functions.
(symtab_real_symbol_p): New inline.
* lto-symtab.c: Do not include gt-lto-symtab.h.
(lto_symtab_entry_def): Remove.
(lto_symtab_entry_t): Remove.
(lto_symtab_identifiers): Remove.
(lto_symtab_free): Remove.
(lto_symtab_entry_hash): Remove.
(lto_symtab_entry_eq): Remove.
(lto_symtab_entry_marked_p): Remove.
(lto_symtab_maybe_init_hash_table): Remove.
(resolution_guessed_p, set_resolution_guessed): New functions.
(lto_symtab_register_decl): Only set resolution info.
(lto_symtab_get, lto_symtab_get_resolution): Remove.
(lto_symtab_merge): Reorg to work across symtab; do nothing if decls
are same.
(lto_symtab_resolve_replaceable_p): Reorg to work on symtab.
(lto_symtab_resolve_can_prevail_p): Likewise; only real symbols can
prevail.
(lto_symtab_resolve_symbols): Reorg to work on symtab.
(lto_symtab_merge_decls_2): Likewise.
(lto_symtab_merge_decls_1): Likewise; add debug dumps.
(lto_symtab_merge_decls): Likewise; do not merge at ltrans stage.
(lto_symtab_merge_cgraph_nodes_1): Reorg to work on symtab.
(lto_symtab_merge_cgraph_nodes): Likewise; do not merge at ltrans stage.
(lto_symtab_prevailing_decl): Rewrite to lookup into symtab.
* lto-streaer.h (lto_symtab_free): Remove.
* lto-cgraph.c (add_references): Cleanup.
* varpool.c (varpool_assemble_decl): Skip hard regs.
* lto.c (lto_materialize_function): Update confused comment.
(read_cgraph_and_symbols): Do not free symtab.
From-SVN: r191466
2012-09-19 Richard Guenther <rguenther@suse.de>
PR other/53316
* common.opt (optimize_debug): New variable.
(Og): New optimization level.
* doc/invoke.texi (Og): Document.
* opts.c (maybe_default_option): Add debug parameter.
(maybe_default_options): Likewise.
(default_options_optimization): Handle -Og.
(common_handle_option): Likewise.
* passes.c (gate_all_optimizations): Do not run with -Og.
(gate_all_optimizations_g): New gate, run with -Og.
(pass_all_optimizations_g): New container pass, run with -Og.
(init_optimization_passes): Schedule pass_all_optimizations_g
alongside pass_all_optimizations.
From-SVN: r191464
PR middle-end/54364
* bb-reorder.c (connect_better_edge_p): New added.
(find_traces_1_round): When optimizing for size, ignore edge frequency
and probability, and handle all in one round.
(bb_to_key): Use bb->index as key when optimizing for size.
(better_edge_p): The bb with smaller index is better when optimizing
for size.
(connect_traces): When optimizing for size, connect block n with
block n + 1; connect trace m with trace m + 1 if falling through.
(gate_handle_reorder_blocks): Enable bbro when optimizing for -Os.
From-SVN: r191462
2012-09-19 Terry Guo <terry.guo@arm.com>
* lib/gcc-dg.exp (dg_runtest_extra_prunes): New variable to define
extra prune rules that will be applied to all tests in a .exp file.
(gcc-dg-prune): Use rules defined by the above variable.
* gcc.target/arm/arm.exp (dg_runtest_extra_prunes): Skip all the
harmless warnings on architecture switch conflict.
From-SVN: r191460
* g++.dg/debug/dwarf2/nested-3.C: Match a sequence
of asm-comment characters instead of a single one.
* g++.dg/debug/dwarf2/nested-2.C: Similar.
From-SVN: r191456
* posix.c (O_BINARY): Define if not defined.
(backtrace_open): Pass O_BINARY to open. Only call fcntl if
HAVE_FCNTL is defined.
* configure.ac: Test for the fcntl function.
* configure, config.h.in: Rebuild.
From-SVN: r191443
* strnlen.c: New file.
* configure.ac: Check for strnlen, add it to AC_LIBOBJ if it's not
present.
* Makefile.in: Rebuild dependencies.
(CFILES): Add strnlen.c.
(CONFIGURED_OFILES): Add ./strnlen.$(objext).
* configure, config.in, functions.texi: Rebuild.
* maint-tool: Accept .def files in the include directory.
From-SVN: r191432
Steve Ellcey
Dehao Chen
Bernd Schmidt
Tulio Magno Quites Machado Filho
David Edelsohn
Oleg Endo
Ian Lance Taylor
Eric Botcazou
Joseph Myers
David Edelsohn
Richard Guenther
Rainer Orth
Jan Hubicka
Zhenqiang Chen
Terry Guo
Ian Lance Taylor
Bin Cheng
Bin Cheng
Hans-Peter Nilsson
GCC Administrator
Segher Boessenkool
Janis Johnson
Senthil Kumar Selvaraj
Georg-Johann Lay
Edward Smith-Rowland
Maciej W. Rozycki
Jakub Jelinek