gcc/ChangeLog:
PR debug/49888
* var-tracking.c: Include alias.h.
(overlapping_mems): New struct.
(drop_overlapping_mem_locs): New.
(clobber_overlapping_mems): New.
(var_mem_delete_and_set, var_mem_delete): Call it.
(val_bind): Likewise, but only if modified.
(compute_bb_dataflow, emit_notes_in_bb): Call it on MEMs.
* Makefile.in (var-tracking.o): Depend in $(ALIAS_H).
gcc/testsuite/ChangeLog:
PR debug/49888
* gcc.dg/guality/pr49888.c: New.
From-SVN: r188531
PR debug/47624
* var-tracking.c (loc_exp_dep_pool): New.
(vt_emit_notes): Create and release the pool.
(compute_bb_dataflow): Use value-based locations in MO_VAL_SET.
(emit_notes_in_bb): Likewise.
(loc_exp_dep_insert): Deal with NOT_ONEPART vars.
(notify_dependents_of_changed_value): Likewise.
(notify_dependents_of_resolved_value): Check that NOT_ONEPART
variables don't have a VAR_LOC_DEP_LST.
(emit_note_insn_var_location): Expand NOT_ONEPART locs that are
VALUEs or MEMs of VALUEs.
From-SVN: r188530
PR debug/52983
PR debug/48866
* dce.c (word_dce_process_block): Insert debug temps only if the
insn is not marked.
(dce_process_block): Likewise, and if debug.used is not empty,
and only after iterating over all DEFs that might mark the insn.
From-SVN: r188527
gcc/
* read-rtl.c (mapping): Remove index field. Add current_value field.
Define heap vectors.
(iterator_group): Fix long line. Remove num_builtins field and
uses_iterator fields. Make apply_iterator take a void * parameter.
(iterator_use, atttribute_use): New structures.
(iterator_traverse_data, BELLWETHER_CODE, bellwether_codes): Delete.
(current_iterators, iterator_uses, attribute_uses): New variables.
(uses_mode_iterator_p, uses_code_iterator_p): Delete.
(apply_mode_iterator, apply_code_iterator): Take a void * parameter.
(map_attr_string, apply_iterator_to_string): Remove iterator
and value parameters. Look through all current iterator values
for a matching attribute.
(mode_attr_index, apply_mode_maps): Delete.
(apply_iterator_to_rtx): Replace with...
(copy_rtx_for_iterators): ...this new function.
(uses_iterator_p, apply_iterator_traverse): Delete.
(apply_attribute_uses, add_current_iterators, apply_iterators): New
functions.
(add_mapping): Remove index field. Set current_value field.
(initialize_iterators): Don't set num_builtins and uses_iterator_p
fields.
(find_iterator): Delete.
(record_iterator_use, record_attribute_use): New functions.
(record_potential_iterator_use): New function.
(check_code_iterator): Remove handling of bellwether codes.
(read_rtx): Remove mode maps. Truncate iterator and attribute uses.
(read_rtx_code, read_nested_rtx, read_rtx_variadic): Remove mode_maps
parameter. Use the first code iterator value instead of the
bellwether_codes array. Use record_potential_iterator_use
for modes.
From-SVN: r188525
PR target/53647
* config/i386/i386.c (ix86_tune_cost): New variable.
(ix86_option_override_internal): Set ix86_tune_cost. Use
ix86_tune_cost for simultaneous_prefetches, prefetch_block,
l1_cache_size and l2_cache_size.
From-SVN: r188523
2012-06-13 Richard Guenther <rguenther@suse.de>
* tree-vrp.c (vrp_meet): Properly meet equivalent ranges.
Handle meeting two VR_RANGE to an VR_ANTI_RANGE. Implement
all possible meetings of VR_RANGE with VR_ANTI_RANGE and
VR_ANTI_RANGE with VR_ANTI_RANGE.
From-SVN: r188517
2012-05-19 Eric Botcazou <ebotcazou@adacore.com>
* gcc-interface/decl.c (Has_Thiscall_Convention): New macro.
(gnat_to_gnu_entity) <E_Subprogram_Type>: Test it to set the thiscall
calling convention
(get_minimal_subprog_decl): Likewise.
(gnat_first_param_is_class): New predicate.
From-SVN: r188512
2012-06-13 Bill Schmidt <wschmidt@linux.ibm.com>
PR tree-optimization/53647
* tree-ssa-phiopt.c (gate_hoist_loads): Skip transformation for
targets with no defined cache line size.
From-SVN: r188509
2012-06-13 Bill Schmidt <wschmidt@linux.ibm.com>
* targhooks.c (default_builtin_vectorized_conversion): Handle
vec_construct, using vectype to base cost on subparts.
* target.h (enum vect_cost_for_stmt): Add vec_construct.
* tree-vect-stmts.c (vect_model_load_cost): Use vec_construct
instead of scalar_to-vec.
* config/spu/spu.c (spu_builtin_vectorization_cost): Handle
vec_construct in same way as default for now.
* config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
* config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost):
Handle vec_construct, including special case for 32-bit loads.
From-SVN: r188508
* gcc.target/arm/di-longlong64-sync-withhelpers.c: Add comments
to checks for multiple messages reported for one line of source code.
* gcc.target/arm/di-longlong64-sync-withldrexd.c: Likewise.
From-SVN: r188480
* c-c++-common/raw-string-3.c: Add comments to checks for multiple
messages reported for for one line of source code.
* c-c++-common/raw-string-5.c: Likewise.
* c-c++-common/raw-string-4.c: Likewise.
* c-c++-common/raw-string-6.c: Likewise.
* c-c++-common/pr20000.c: Likewise.
From-SVN: r188477
PR c++/53599
* name-lookup.c (pushtag_1): Add a DECL_EXPR for a local class.
* semantics.c (finish_cond): Build a COMPOUND_EXPR.
* pt.c (tsubst_expr) [COMPOUND_EXPR]: Handle.
[DECL_EXPR]: Don't call cp_finish_decl for an implicit typedef.
Don't return the decl.
From-SVN: r188473
2012-06-12 Robert Dewar <dewar@adacore.com>
* gcc-interface/Make-lang.in: Update dependencies.
* sem_ch9.ads, einfo.adb, einfo.ads, sem_prag.adb, freeze.adb,
sem_util.adb, sem_ch13.adb, sem_ch13.ads, exp_ch3.adb: Add comments.
Minor reformatting.
2012-06-12 Ed Schonberg <schonberg@adacore.com>
* sem_ch12.adb (Instantiate_Formal_Subprogram): Remove code that
implements AI05-0296, because the actual may be overloaded.
* sem_ch8.adb (Analyze_Subprogram_Renaming): and move it here,
to be applied once the actual subprogram is properly resolved.
From-SVN: r188456
2012-06-12 Robert Dewar <dewar@adacore.com>
* switch-c.adb, a-exexpr-gcc.adb: Minor reformatting.
2012-06-12 Vincent Pucci <pucci@adacore.com>
* checks.adb (Tag_Checks_Suppressed): Remove Kill_Tag_Checks check.
* einfo.adb (Universal_Aliasing): Apply to the implementation
base type instead of the base type.
(Get_Rep_Item_For_Entity):
Return a pragma if the pragma node is not present in the Rep
Item chain of the parent.
(Kill_Tag_Checks): Removed (unused flag).
(Set_Kill_Tag_Checks): Removed.
(Get_First_Rep_Item): New routine.
(Get_Rep_Pragma_For_Entity): New routine.
(Has_Rep_Item): New routine.
(Has_Rep_Pragma_For_Entity): New routine.
(Present_In_Rep_Item): New routine.
* einfo.ads (Kill_Tag_Checks): Removed.
(Set_Kill_Tag_Checks): Removed.
(Get_First_Rep_Item): New routine.
(Get_Rep_Pragma_For_Entity): New routine.
(Has_Rep_Item): New routine.
(Has_Rep_Pragma_For_Entity): New routine.
(Present_In_Rep_Item): New routine.
* exp_attr.adb, sem_attr.adb: Attribute_CPU,
Attribute_Dispatching_Domain and Attribute_Interrupt_Priority
case added.
* exp_ch13.adb (Expand_N_Attribute_Definition_Clause): For
attribute Storage_Size, insert the new assignement statement
after the Size variable declaration.
* exp_ch3.adb (Build_Init_Statements): Fill the CPU,
Dispatching_Domain, Priority and Size components with the Rep
Item expression (if any).
* exp_ch9.adb (Expand_N_Task_Type_Declaration): _CPU,
_Priority, _Domain fields are always present in the
corresponding record type.
(Find_Task_Or_Protected_Pragma): Removed.
(Get_Relative_Deadline_Pragma): New routine.
(Make_Initialize_Protection): Find_Task_Or_Protected_Pragma removed.
(Make_Task_Create_Call): Check CPU, Size or
Dispatching_Domain Rep Item is present using new routine Has_Rep_Item.
* freeze.adb (Freeze_All): Push_Scope_And_Install_Discriminants
and Uninstall_Discriminants_And_Pop_Scope calls added.
(Freeze_Entity): Evaluate_Aspects_At_Freeze_Point call added.
* sem_aux.adb (Nearest_Ancestor): Retrieve the nearest ancestor
for private derived types.
* sem_ch13.adb (Analyze_Aspect_Specifications): Clean-up
and reordering. Delay analysis for all aspects (except some
peculiar cases).
(Analyze_Attribute_Definition_Clause):
Attribute_CPU, Attribute_Dispatching_Domain,
Interrupt_Priority and Attribute_Priority cases added.
(Analyze_Freeze_Entity): Push_Scope_And_Install_Discriminants
and Uninstall_Discriminants_And_Pop_Scope calls added.
(Check_Aspect_At_Freeze_Point): Reordering and clean-up.
(Duplicate_Clause): Issue an explicit error msg when the current
clause duplicates an aspect specification, an attribute definition
clause or a pragma.
(Evaluate_Aspects_At_Freeze_Point): New routine.
* sem_ch13.ads (Evaluate_Aspects_At_Freeze_Point): New routine.
* sem_ch9.adb, sem_ch9.ads (Install_Discriminants): New routine.
(Push_Scope_And_Install_Discriminants): New routine.
(Uninstall_Discriminants): New routine.
(Uninstall_Discriminants_And_Pop_Scope): New routine.
* sem_prag.adb (Check_Duplicate_Pragma): Issue an explicit error
msg when the current pragma duplicates an aspect specification,
an attribute definition clause or a pragma.
(Analyze_Pragma): Remove use of flags Has_Pragma_CPU,
Has_Pragma_Priority and Has_Pragma_Dispatching_Domain.
* sem_util.adb (Compile_Time_Constraint_Error): Don't complain
about the type if the corresponding concurrent type doesn't come
from source.
* sinfo.adb, sinfo.ads (Has_Pragma_CPU): Removed.
(Has_Pragma_Dispatching_Domain): Removed.
(Has_Pragma_Priority): Removed.
(Has_Task_Info_Pragma): Removed.
(Has_Task_Name_Pragma): Removed.
(Set_Has_Pragma_CPU): Removed.
(Set_Has_Pragma_Dispatching_Domain): Removed.
(Set_Has_Pragma_Priority): Removed.
(Set_Has_Task_Info_Pragma): Removed.
(Set_Has_Task_Name_Pragma): Removed.
* snames.adb-tmpl (Get_Pragma_Id): Pragma_CPU,
Pragma_Dispatching_Domain and Pragma_Interrupt_Priority added.
(Is_Pragma_Name): Name_CPU, Name_Dispatching_Domain and
Name_Interrupt_Priority added.
* snames.ads-tmpl: Name_Dispatching_Domain, Name_CPU
and Name_Interrupt_Priority moved to the list of
Attribute_Name. Attribute_CPU, Attribute_Dispatching_Domain and
Attribute_Interrupt_Priority added. Pragma_Dispatching_Domain,
Pragma_CPU and Pragma_Interrupt_Priority moved to the end of
the Pragma_Name list.
From-SVN: r188455
2012-06-12 Robert Dewar <dewar@adacore.com>
* sem_ch12.adb: Minor reformatting.
2012-06-12 Eric Botcazou <ebotcazou@adacore.com>
* opt.ads (Inline_Level): New variable.
* gnat1drv.adb (Adjust_Global_Switches): Set it based on optimization
level if it has not been set by the user.
* switch-c.adb (Scan_Front_End_Switches): Accept -gnatn1 and -gnatn2
and set Inline_Level accordingly.
* inline.adb (Add_Inlined_Body): Declate new Inline_Level_Type type.
(Must_Inline): Return Inline_Level_T instead of Boolean to indicate
whether the package of the inlined subprogram must be compiled.
If Inline_Level is set to 1, only compile packages of subprograms
directly called from the main unit.
* usage.adb (Usage): Adjust line for -gnatn switch.
* gnat_ugn.texi (Switches for gcc): Document -gnatn1 and -gnatn2.
From-SVN: r188451
2012-06-12 Ed Schonberg <schonberg@adacore.com>
* sem_ch12.adb (Instantiate_Formal_Subprogram): Do not apply
AI05-296 if the actual is overloaded. In this case The rule must
be applied after resolution, in Analyze_Subprogram_Renaming.
From-SVN: r188450
Richard Henderson
Joseph Myers
Alexandre Oliva
Richard Sandiford
Oleg Endo
H.J. Lu
Uros Bizjak
Uros Bizjak
Richard Guenther
Eric Botcazou
Richard Earnshaw
Bill Schmidt
Tobias Burnus
Xinyu Qi
Ian Lance Taylor
GCC Administrator
Rafael Ávila de Espíndola
Jakub Jelinek
Janis Johnson
Janis Johnson
Jason Merrill
Jason Merrill
Olivier Hainque
Arnaud Charlet
Robert Dewar
Ed Schonberg