* haifa-sched.c (schedule_insns): Remove outdated comment.
(schedule_block): When computing a known value for TODO_SPEC,
just set it rather than using logical operations.
(try_ready): Likewise. Use a local variable rather than a
pointer to TODO_SPEC. Reorder an if statement to move the
easy case to the then block.
* sched-deps.c (dep_spec_p): New static function.
(update_dep): Use it to decide whether to call
change_spec_dep_to_hard.
(get_back_and_forw_lists): Use it.
(sd_resolve_dep): Likewise.
(init_dep): If !USE_DEPS_LIST, use zero to initialize status.
(haifa_note_mem_dep): Likewise.
(check_dep): Likewise.
(sd_add_dep): Also clear SPECULATIVE bits if not DO_SPECULATION.
(sched_free_deps): Free in two passes.
From-SVN: r176271
* plugin-api.h
(ld_plugin_section): New struct.
(ld_plugin_get_section_count): New typedef.
(ld_plugin_get_section_type): New typedef.
(ld_plugin_get_section_name): New typedef.
(ld_plugin_get_section_contents): New typedef.
(ld_plugin_update_section_order): New typedef.
(ld_plugin_allow_section_ordering): New typedef.
(LDPT_GET_SECTION_COUNT): New enum value.
(LDPT_GET_SECTION_TYPE): New enum value.
(LDPT_GET_SECTION_NAME): New enum value.
(LDPT_GET_SECTION_CONTENTS): New enum value.
(LDPT_UPDATE_SECTION_ORDER): New enum value.
(LDPT_ALLOW_SECTION_ORDERING): New enum value.
(tv_get_section_count): New struct members.
(tv_get_section_type): New struct members.
(tv_get_section_name): New struct members.
(tv_get_section_contents): New struct members.
(tv_update_section_order): New struct members.
(tv_allow_section_ordering): New struct members.
From-SVN: r176260
* haifa-sched.c: Include "hashtab.h"
(sched_no_dce): New global variable.
(INSN_EXACT_TICK, INSN_TICK_ESTIMATE, FEEDS_BACKTRACK_INSN,
SHADOW_P): New macros.
(last_clock_var, cycle_issued_insns): Move declarations.
(must_backtrack): New static variable.
(struct delay_pair): New structure.
(delay_htab, delay_htab_i2): New static variables.
(delay_hash_i1, delay_hash_i2, delay_i1_eq, delay_i2_eq,
record_delay_slot_pair, pair_delay, add_delay_dependencies): New
functions.
(dep_cost_1): If delay pairs exist, try to look up the insns and
use the correct pair delay if we find them.
(rank-for_schedule): Tweak priority for insns that must be scheduled
soon to avoid backtracking.
(queue_insn): Detect conditions which force backtracking.
(ready_add): Likewise.
(struct sched_block_state): Add member shadows_only_p.
(struct haifa_save_data): New structure.
(backtrack_queue): New static variable.
(mark_backtrack_feeds, copy_insn_list, save_backtrack_point,
unschedule_insns_until, restore_last_backtrack_point,
free_topmost_backtrack_point, free_backtrack_queue,
estimate_insn_tick, estimate_shadow_tick): New functions.
(prune_ready_list): New arg shadows_only_p. All callers changed.
If true, remove everything that isn't SHADOW_P. Look up delay
pairs and estimate ticks to avoid scheduling the first insn too
early.
(verify_shadows): New function.
(schedule_block): Add machinery to enable backtracking.
(sched_init): Take sched_no_dce into account when setting
DF_LR_RUN_DCE.
(free_delay_pairs): New function.
(init_h_i_d): Initialize INSN_EXACT_TICK.
* Makefile.in (haifa-sched.o): Add $(HASHTAB_H).
* sched-deps.c (sd_unresolve_dep): New function.
* sched-int.h (struct haifa_sched_info): New fields save_state
and restore_state.
(struct _haifa_insn_data): New fields exact_tick, tick_estimate,
feeds_backtrack_insn and shadow_p.
(DO_BACKTRACKING): New value in enum SCHED_FLAGS.
(sched_no_dce): Declare variable.
(record_delay_slot_pair, free_delay_pairs, add_delay_dependencies,
sd_unresolve_dep): Declare functions.
* modulo-sched.c (sms_sched_info): Clear the two new fields.
* sched-rgn.c (rgn_const_sched_info): Likewise.
* sel-sched-ir.c (sched_sel_haifa_sched_info): Likewise.
* sched-ebb.c (save_ebb_state, restore_ebb_state): New functions.
(ebb_sched_info): Add them for the two new fields.
(add_deps_for_risky_insns): Call add_delay_dependencies.
From-SVN: r176255
Also test -std=c++0x mode with 'make check-c++' at top level
* Makefile.in (check-gcc-c++0x): New.
(check-c++): Depend on it.
gcc/
* Makefile.in ($(lang_checks_parallelized)): Allow --tool_opts.
gcc/cp/
* Make-lang.in (check-c++0x): New.
gcc/testsuite/
* lib/g++.exp (${tool}_option_help, ${tool}_option_proc): Remove.
* lib/lto.exp (lto_prune_warns): Prune warning about -std=c++0x
when compiling C files.
From-SVN: r176250
* config/spu/spu.c (TARGET_ASM_FILE_START): Do not define.
(asm_file_start): Remove.
(spu_machine_dependent_reorg): Call compute_bb_for_insn and
free_bb_for_insn around code that modifies insns before
restarting df analysis.
From-SVN: r176247
2011-07-13 Janne Blomqvist <jb@gcc.gnu.org>
PR libfortran/49296
* io/list_read.c (read_logical): Don't error out if a valid value
is followed by EOF instead of a normal separator.
(read_integer): Likewise.
testsuite:
2011-07-13 Janne Blomqvist <jb@gcc.gnu.org>
PR libfortran/49296
* gfortran.dg/read_list_eof_1.f90: Add tests for integer, real,
and logical reads.
From-SVN: r176245
* doc/tm.texi.in (TARGET_ASM_MERGEABLE_RODATA_PREFIX): Add hook.
* doc/tm.texi: Regenerate.
* target.def (mergeable_rodata_prefix: New defhookpod.
* varasm.c (mergeable_string_section, mergeable_constant_section):
Use it. Allocate name with alloca.
From-SVN: r176235
gcc/
* tree.h (categorize_ctor_elements): Remove comment. Fix long line.
(count_type_elements): Delete.
(complete_ctor_at_level_p): Declare.
* expr.c (flexible_array_member_p): New function, split out from...
(count_type_elements): ...here. Make static. Replace allow_flexarr
parameter with for_ctor_p. When for_ctor_p is true, return the
number of elements that should appear in the top-level constructor,
otherwise return an estimate of the number of scalars.
(categorize_ctor_elements): Replace p_must_clear with p_complete.
(categorize_ctor_elements_1): Likewise. Use complete_ctor_at_level_p.
(complete_ctor_at_level_p): New function, borrowing union logic
from old categorize_ctor_elements_1.
(mostly_zeros_p): Return true if the constructor is not complete.
(all_zeros_p): Update call to categorize_ctor_elements.
* gimplify.c (gimplify_init_constructor): Update call to
categorize_ctor_elements. Don't call count_type_elements.
Unconditionally prevent clearing for variable-sized types,
otherwise rely on categorize_ctor_elements to detect
incomplete initializers.
gcc/cp/
* typeck2.c (split_nonconstant_init_1): Pass the initializer directly,
rather than a pointer to it. Return true if the whole of the value
was initialized by the generated statements. Use
complete_ctor_at_level_p instead of count_type_elements.
gcc/testsuite/
2011-07-12 Chung-Lin Tang <cltang@codesourcery.com>
* gcc.target/arm/pr48183.c: New test.
From-SVN: r176228
2011-07-13 Richard Guenther <rguenther@suse.de>
* tree-vrp.c (simplify_conversion_using_ranges): Make sure
the final type is integral.
* gcc.dg/torture/20110713-1.c: New testcase.
From-SVN: r176227
* sched-int.h (struct _dep): Add member cost.
(DEP_COST, UNKNOWN_DEP_COST): New macros.
* sched-deps.c (init_dep_1): Initialize DEP_COST.
* haifa-sched.c (dep_cost_1): Use and set DEP_COST.
(sched_change_pattern): Reset it for dependent insns.
From-SVN: r176226
* cse.c (insert_with_costs): Put semi-colon after empty loop body
on the next line.
* emit-rtl.c (push_to_sequence): Likewise.
* haifa-sched.c (max_issue): Likewise.
* matrix-reorg.c (add_allocation_site): Likewise.
* postreload-gcse.c (eliminate_partially_redundant_load): Likewise.
* reload.c (alternative_allows_const_pool_ref): Likewise.
* sched-rgn.c (rgn_add_block): Likewise.
(rgn_fix_recovery_cfg): Likewise.
* tree.c (attribute_list_contained): Likewise.
c-family/
* c-ada-spec.c (dump_nested_types): Put semi-colon after empty loop
body on the next line.
From-SVN: r176216
PR target/49713
* dwarf2out.h (dwarf_frame_regnum): Remove.
* dwarf2out.c (based_loc_descr): Revert last change. Initialize regno
earlier from DWARF_FRAME_REGNUM. Never use dbx_reg_number.
* dwarf2cfi.c (dw_stack_pointer_regnum, dw_frame_pointer_regnum): New.
(execute_dwarf2_frame): Initialize them.
(DW_STACK_POINTER_REGNUM, DW_FRAME_POINTER_REGNUM): Remove; replace
users of the macros with the variables.
(expand_builtin_dwarf_sp_column): Revert last change.
(expand_builtin_init_dwarf_reg_sizes): Likewise. Compute the
result of DWARF_FRAME_REGNUM into a local variable.
From-SVN: r176212
2011-07-12 Richard Guenther <rguenther@suse.de>
* tree-ssa-copyrename.c (rename_ssa_copies): Zero statistics.
Do not perform no-op changes.
From-SVN: r176206
gcc/
* config/arm/predicates.md (neon_struct_operand): Make a normal
predicate.
(neon_struct_or_register_operand): New predicate.
* config/arm/neon.md (movmisalign<mode>): Replace predicates
with neon_struct_or_register_operand.
(*movmisalign<mode>_neon_store, *movmisalign<mode>_neon_load): Use
neon_struct_operand instead of memory_operand.
From-SVN: r176204
