2010-07-23 Richard Guenther <rguenther@suse.de>
PR lto/43071
* gcc.c (LINK_COMMAND_SPEC): Filter out -fcompare-debug
for -flto and -fwhopr.
* g++.dg/lto/20100723-1_0.C: New testcase.
From-SVN: r162481
2010-07-23 Martin Jambor <mjambor@suse.cz>
PR tree-optimization/44914
* tree-sra.c (sra_modify_function_body): Return true if CFG was
changed, add purging dead eh edges.
(ipa_sra_modify_function_body): Return true if CFG was changed,
simplify purging dead eh edges.
(modify_function): Return true if CFG was changed.
(perform_intra_sra): Add TODO_cleanup_cfg to the return value if CFG
was changed.
(ipa_early_sra): Likewise.
* testsuite/g++.dg/tree-ssa/pr44914.C: New test.
From-SVN: r162468
2009-07-23 Paul Thomas <pault@gcc.gnu.org>
PR fortran/24524
* trans-array.c (gfc_init_loopinfo): Initialize the reverse
field.
gfc_trans_scalarized_loop_end: If reverse set in dimension n,
reverse the scalarization loop.
gfc_conv_resolve_dependencies: Pass the reverse field of the
loopinfo to gfc_dep_resolver.
trans-expr.c (gfc_trans_assignment_1): Enable loop reversal for
assignment by resetting loop.reverse.
gfortran.h : Add the gfc_reverse enum.
trans.h : Add the reverse field to gfc_loopinfo.
dependency.c (gfc_check_dependency): Pass null to the new arg
of gfc_dep_resolver.
(gfc_check_section_vs_section): Check for reverse dependencies.
(gfc_dep_resolver): Add reverse argument and deal with the loop
reversal logic.
dependency.h : Modify prototype for gfc_dep_resolver to include
gfc_reverse *.
From-SVN: r162462
2010-07-23 Daniel Kraft <d@domob.eu>
PR fortran/44709
* gfortran.h (gfc_find_symtree_in_proc): New method.
* symbol.c (gfc_find_symtree_in_proc): New method.
* match.c (match_exit_cycle): Look for loop name also in parent
namespaces within current procedure.
2010-07-23 Daniel Kraft <d@domob.eu>
PR fortran/44709
* gfortran.dg/exit_1.f08: New test.
* gfortran.dg/exit_2.f08: New test.
From-SVN: r162450
gcc/
* tree-ssa-math-opts.c (is_widening_mult_rhs_p): New function.
(is_widening_mult_p): Likewise.
(convert_to_widen): Use them.
(convert_plusminus_to_widen): Likewise. Handle fixed-point types as
well as integer ones.
From-SVN: r162431
* alias.c (true_dependence_1): New function, merged version of
true_dependence and canon_true_dependence.
(true_dependence): Simplify.
(canon_true_dependence): Simplify.
From-SVN: r162430
PR target/45027
* config/i386/i386.c (setup_incoming_varargs_64): Force the use
of V4SFmode for the SSE saves; increase stack alignment if needed.
(ix86_gimplify_va_arg): Don't increase stack alignment here.
From-SVN: r162429
PR ada/44892
* gcc-interface/utils.c (convert): Fix thinko in test.
(unchecked_convert): When converting from a scalar type to a type with
a different size, pad to have the same size on both sides.
From-SVN: r162425
2010-07-22 Steve Ellcey <sje@cup.hp.com>
PR middle-end/44878
* stmt.c (expand_value_return): Call promote_function_mode with
a for_return argument of 2 when returning by reference.
From-SVN: r162423
Fix PR debug/45024
gcc/ChangeLog:
PR debug/45024
* dwarf2out.c (scope_die_for): Don't fall back to the compilation
unit DIE if we can find the scope DIE.
gcc/testsuite/ChangeLog:
PR debug/45024
* g++.dg/debug/dwarf2/nested-2.C: New test case.
From-SVN: r162420
* ira-build.c (ira_create_object): New arg SUBWORD; all callers changed.
Initialize OBJECT_SUBWORD.
(ira_create_allocno): Clear ALLOCNO_NUM_OBJECTS.
(ira_create_allocno_objects): Renamed from ira_create_allocno_object;
all callers changed.
(merge_hard_reg_conflicts): Iterate over allocno subobjects.
(finish_allocno): Likewise.
(move_allocno_live_ranges, copy_allocno_live_ranges): Likewise.
(remove_low_level_allocnos): Likewise.
(update_bad_spill_attribute): Likewise.
(setup_min_max_allocno_live_range_point): Likewise.
(sort_conflict_id_map): Likewise.
(ira_flattening): Likewise. Use ior_hard_reg_conflicts.
(ior_hard_reg_conflicts): New function.
(ior_allocate_object_conflicts): Renamed first argument to OBJ.
(compress_conflict_vecs): Iterate over objects, not allocnos.
(ira_add_live_range_to_object): New function.
(object_range_compare_func): Renamed from allocno_range_compare_func.
All callers changed.
(setup_min_max_conflict_allocno_ids): For allocnos with multiple
subobjects, widen the min/max range of the lowest-order object to
potentially include all other such low-order objects.
* ira.c (ira_bad_reload_regno_1): Iterate over allocno subobjects.
(check_allocation): Likewise. Use more fine-grained tests for register
conflicts.
* ira-color.c (allocnos_have_intersected_live_ranges_p): Iterate over
allocno subobjects.
(assign_hard_reg): Keep multiple sets of conflicts. Make finer-grained
choices about which bits to set in each set. Don't use
ira_hard_reg_not_in_set_p, perform a more elaborate test for conflicts
using the multiple sets we computed.
(push_allocno_to_stack): Iterate over allocno subobjects.
(all_conflicting_hard_regs_coalesced): New static function.
(setup_allocno_available_regs_num): Use it.
(setup_allocno_left_conflicts_size): Likewise. Iterate over allocno
subobjects.
(coalesced_allocno_conflict): Test subobject 0 in each allocno.
(setup_allocno_priorities): Divide ALLOCNO_EXCESS_PRESSURE_POINTS_NUM
by ALLOCNO_NUM_OBJECTS.
(calculate_spill_cost): Likewise.
(color_pass): Express if statement in a more normal way.
(ira_reassign_conflict_allocnos): Iterate over allocno subobjects.
(slot_coalesced_allocno_live_ranges_intersect_p): Likewise.
(setup_slot_coalesced_allocno_live_ranges): Likewise.
(allocno_reload_assign): Likewise.
(ira_reassign_pseudos): Likewise.
(fast_allocation): Likewise.
* ira-conflicts.c (build_conflict_bit_table): Likewise.
(print_allocno_conflicts): Likewise.
(ira_build_conflicts): Likewise.
(allocnos_conflict_for_copy_p): Renamed from allocnos_conflict_p. All
callers changed. Test subword 0 of each allocno for conflicts.
(build_object_conflicts): Renamed from build_allocno_conflicts. All
callers changed. Iterate over allocno subobjects.
* ira-emit.c (modify_move_list): Iterate over allocno subobjects.
* ira-int.h (struct ira_allocno): New member. num_objects. Rename object
to objects and change it into an array.
(ALLOCNO_OBJECT): Add new argument N.
(ALLOCNO_NUM_OBJECTS, OBJECT_SUBWORD): New macros.
(ira_create_allocno_objects): Renamed from ira_create_allocno_object.
(ior_hard_reg_conflicts): Declare.
(ira_add_live_range_to_object): Declare.
(ira_allocno_object_iterator): New.
(ira_allocno_object_iter_init, ira_allocno_object_iter_cond): New.
(FOR_EACH_ALLOCNO_OBJECT): New macro.
* ira-lives.c (objects_live): Renamed from allocnos_live; all uses changed.
(allocnos_processed): New sparseset.
(make_object_born): Renamed from make_allocno_born; take an ira_object_t
argument. All callers changed.
(make_object_dead): Renamed from make_allocno_dead; take an ira_object t
argument. All callers changed.
(update_allocno_pressure_excess_length): Take an ira_obejct_t argument.
All callers changed.
(mark_pseudo_regno_live): Iterate over allocno subobjects.
(mark_pseudo_regno_dead): Likewise.
(mark_pseudo_regno_subword_live, mark_pseudo_regno_subword_dead): New
functions.
(mark_ref_live): Detect subword accesses and call
mark_pseudo_regno_subword_live as appropriate.
(mark_ref_dead): Likewise for mark_pseudo_regno_subword_dead.
(process_bb_nodes_live): Deal with object-related updates first; set
and test bits in allocnos_processed to avoid computing allocno
statistics more than once.
(create_start_finish_chains): Iterate over objects, not allocnos.
(print_object_live_ranges): New function.
(print_allocno_live_ranges): Use it.
(ira_create_allocno_live_ranges): Allocate and free allocnos_processed
and objects_live.
From-SVN: r162418
Marc Glisse
Richard Guenther
H.J. Lu
Kai Tietz
Rainer Orth
Uros Bizjak
Jakub Jelinek
Nathan Froyd
Martin Jambor
Uros Bizjak
Jie Zhang
H.J. Lu
Paul Thomas
Daniel Jacobowitz
Jason Merrill
Daniel Kraft
Andi Kleen
Andi Kleen
Sandra Loosemore
GCC Administrator
Benjamin Kosnik
Bernd Schmidt
Richard Sandiford
Steven Bosscher
Richard Henderson
Eric Botcazou
Eric Botcazou
Steve Ellcey
Dodji Seketeli