Joseph Myers [Tue, 5 Apr 2011 12:28:41 +0000 (13:28 +0100)]
rx-opts.h: New.
* config/rx/rx-opts.h: New.
* config/rx/rx.c (rx_cpu_type): Remove.
(rx_handle_option): Don't assert that global structures are in
use. Access variables via opts pointer. Defer most handling of
OPT_mint_register_. Use error_at.
(rx_option_override): Handle deferred OPT_mint_register_ here.
* config/rx/rx.h (enum rx_cpu_types): Move to rx-opts.h.
* config/rx/rx.opt (config/rx/rx-opts.h: New HeaderInclude.
(mcpu=): Use Enum and specifiy rx_cpu_type with Var.
(rx_cpu_types): New Enum and EnumValue entries.
(mint-register=): Use Defer and use Var accordingly.
* gcse.c (modify_pair): Define. Define a VEC of it.
(canon_modify_mem_list): Convert to an array of VECs.
(free_insn_expr_list_list): Delete.
(clear_modify_mem_tables): Call VEC_free instead.
(record_last_mem_set_info): Don't modify canon_modify_mem_list.
(alloc_gcse_mem): Adjust for canon_modify_mem_list change.
(canon_list_insert, compute_transp): Likewise.
Tom de Vries [Tue, 5 Apr 2011 10:12:14 +0000 (10:12 +0000)]
re PR target/43920 (Choosing conditional execution over conditional branches for code size in some cases.)
2011-04-05 Tom de Vries <tom@codesourcery.com>
PR target/43920
* function.c (emit_use_return_register_into_block): New function.
(thread_prologue_and_epilogue_insns): Use
emit_use_return_register_into_block.
* config/arm/arm.md (define_constants for unspec): Replace with
define_c_enum.
(define_constants for unspecv): Replace with define_c_enum.
* config/arm/neon.md (define_constants for unspec): Replace with
define_c_enum.
Use backend interface for labels and goto statements.
* go-gcc.c (class Blabel): Define.
(Gcc_backend::make_expression): New function.
(get_identifier_from_string): New function.
(Gcc_backend::label): New function.
(Gcc_backend::label_definition_statement): New function.
(Gcc_backend::goto_statement): New function.
(Gcc_backend::label_address): New function.
(expression_to_tree): New function.
* Make-lang.in (go/expressions.o): Depend on
go/gofrontend/backend.h.
(go/gogo.o): Likewise.
* go-gcc.cc: #include "tree-iterator.h", "gimple.h", and "gogo.h".
(class Bfunction): Define.
(Gcc_backend::assignment_statement): Rename from assignment.
Check for errors.
(Gcc_backend::return_statement): New function.
(tree_to_function): New function.
* Make-lang.in (go/go-gcc.o): Depend on tree-iterator.h,
$(GIMPLE_H), and $(GO_GOGO_H).
re PR bootstrap/48400 (powerpc-apple-darwin9 fails to bootstrap at revision 171824)
PR 48400
* dwarf2out.c (output_line_info): Always emit line info from
at least one section.
(dwarf2out_init): Create text_section_line_info here ...
(set_cur_line_info_table): ... not here.
Thomas Koenig [Mon, 4 Apr 2011 21:02:24 +0000 (21:02 +0000)]
frontend-passes: (optimize_lexical_comparison): New function.
2010-04-04 Thomas Koenig <tkoenig@gcc.gnu.org>
* frontend-passes: (optimize_lexical_comparison): New function.
(optimize_expr): Call it.
(optimize_comparison): Also handle lexical comparison functions.
Return false instad of -2 for unequal comparison.
Thomas Koenig [Mon, 4 Apr 2011 20:55:02 +0000 (20:55 +0000)]
frontend-passes: (optimize_lexical_comparison): New function.
2010-04-04 Thomas Koenig <tkoenig@gcc.gnu.org>
* frontend-passes: (optimize_lexical_comparison): New function.
(optimize_expr): Call it.
(optimize_comparison): Also handle lexical comparison functions.
Return false instad of -2 for unequal comparison.
2010-04-04 Thomas Koenig <tkoenig@gcc.gnu.org>
* gfortran.dg/character_comparison_8.f90: New test.
Steven Bosscher [Mon, 4 Apr 2011 18:24:50 +0000 (18:24 +0000)]
cprop.c (implicit_set_cond_p): Assume nothing about COND...
* cprop.c (implicit_set_cond_p): Assume nothing about COND, move
checks on form of COND from find_implicit_sets to here.
(find_implicit_sets): Cleanup control flow. Split critical edges
if it exposes implicit sets. Allocate/resize implicit_sets as
necessary.
(one_cprop_pass): Only delete unreachable blocks if local_cprop_pass
changed something. Run df_analyze after find_implicit_sets if any
edges were split. Do not allocate implicit_sets here.
Steven Bosscher [Mon, 4 Apr 2011 18:24:05 +0000 (18:24 +0000)]
cprop.c: s/gcse/cprop/ everywhere except for flag_gcse.
* cprop.c: s/gcse/cprop/ everywhere except for flag_gcse.
(gcse_obstack): Renamed to cprop_obstack.
(GNEW, GNEWVEC, GNEWVAR): Remove.
(gmalloc): Remove.
(alloc_hash_table): Use XNEWVAR instead of GNEWVAR.
(GOBNEW, GOBNEWVAR): Adjust for gcse_obstack renaming.
(gcse_alloc): Likewise, and rename to cprop_alloc.
(alloc_gcse_men, free_gcse_mem): Remove.
(gcse_constant_p): Rename to cprop_constant_p, and adjust all callers.
(compute_hash_table_work): Allocate and free reg_set_bitmap here.
(one_cprop_pass): Likewise. Adjust for gcse_obstack renaming.
PR bootstrap/48403
* haifa-sched.c (nonscheduled_insns_begin): New static variable.
(rank_for_schedule): Use scheduled_insns vector instead of
last_scheduled_insn.
(ok_for_early_queue_removal): Likewise.
(queue_to_ready): Search forward in nonscheduled_insns_begin if
we have a dbg_cnt.
(choose_ready): Likewise.
(commit_schedule): Use VEC_iterate.
(schedule_block): Initialize nonscheduled_insns_begin. If we have
a dbg_cnt, use it and ensure the first insn is in the ready list.
(haifa_sched_init): Allocate scheduled_insns.
(sched_extend_ready_list): Don't allocate it; reserve space.
(haifa_sched_finish): Free it.
* gimple.c (gimple_type_leader_entry): Mark deletable.
lto/
* lto.c (lto_materialize_function): Don't read and then discard
sections in WPA mode.
(lto_read_in_decl_state): Adjust call to lto_streamer_cache_get.
* cgraphbuild.c (record_reference): Canonicalize constructor
values.
* gimple-fold.c (canonicalize_constructor_val): Accept being called
without function context.
* cgraphunit.c (cgraph_finalize_compilation_unit): Clear
current_function_decl and cfun.
tree-if-conv.c (memrefs_read_or_written_unconditionally): Strip all non-variable offsets and compare the remaining bases of the two...
* tree-if-conv.c (memrefs_read_or_written_unconditionally): Strip all
non-variable offsets and compare the remaining bases of the two
accesses instead of looking for exact same data-ref.
Co-Authored-By: Ira Rosen <ira.rosen@linaro.org>
From-SVN: r171900
Eric Botcazou [Sat, 2 Apr 2011 08:50:32 +0000 (08:50 +0000)]
decl.c (gnat_to_gnu_entity): Do not make fat pointer types artificial unconditionally.
* gcc-interface/decl.c (gnat_to_gnu_entity) <E_Array_Type>: Do not make
fat pointer types artificial unconditionally.
<E_Array_Subtype>: Attach the base array type as a parallel type if it
isn't artificial.
Eric Botcazou [Sat, 2 Apr 2011 08:44:43 +0000 (08:44 +0000)]
gigi.h (get_dummy_type): Declare.
* gcc-interface/gigi.h (get_dummy_type): Declare.
(build_dummy_unc_pointer_types): Likewise.
(finish_fat_pointer_type): Likewise.
* gcc-interface/decl.c (gnat_to_gnu_entity) <E_Array_Type>: If a dummy
fat pointer type has been built, complete it in place.
<E_Access_Type>: Call build_dummy_unc_pointer_types to build dummy fat
and thin pointers. Remove useless variable.
(finish_fat_pointer_type): Make global and move to...
* gcc-interface/utils.c (finish_fat_pointer_type): ...here.
(get_dummy_type): New function.
(build_dummy_unc_pointer_types): Likewise.
(gnat_pushdecl): Propage the name to the anonymous variants only.
(update_pointer_to): Only adjust the pointer types in the unconstrained
array case.
Eric Botcazou [Sat, 2 Apr 2011 08:36:32 +0000 (08:36 +0000)]
ada-tree.h (DECL_TAFT_TYPE_P): New flag.
* gcc-interface/ada-tree.h (DECL_TAFT_TYPE_P): New flag.
* gcc-interface/decl.c (gnat_to_gnu_entity) <E_Incomplete_Type>: Set it
if this is a Taft amendment type and the full declaration is available.
* gcc-interface/trans.c (process_type): Likewise.
If there is an old type, mark the new one as used if DECL_TAFT_TYPE_P.
(process_freeze_entity): Likewise.
* gcc-interface/utils.c (dummy_global): New static variable.
(gnat_write_global_declarations): If there are types declared as used
at the global level, insert them in the global hash table.
* gcc-interface/gigi.h (record_builtin_type): Add ARTIFICIAL_P param.
* gcc-interface/utils.c (gnat_pushdecl): If this is a non-artificial
declaration of an array type, then set DECL_ORIGINAL_TYPE to a distinct
copy.
(record_builtin_type): Add ARTIFICIAL_P parameter. Set DECL_ARTIFICIAL
flag of the type accordingly.
* gcc-interface/trans.c (gigi): Adjust calls to record_builtin_type.
Eric Botcazou [Sat, 2 Apr 2011 08:16:29 +0000 (08:16 +0000)]
decl.c (gnat_to_gnu_entity): Defer finalizing types when updating the pointers to the designated type.
* gcc-interface/decl.c (gnat_to_gnu_entity) <E_Access_Type>: Defer
finalizing types when updating the pointers to the designated type.
<all>: Finalize the deferred types even if we didn't defer processing
of incomplete types in this invocation.
Jakub Jelinek [Fri, 1 Apr 2011 21:13:29 +0000 (23:13 +0200)]
re PR middle-end/48335 (ICE in convert_move)
PR middle-end/48335
* expr.c (expand_assignment): Handle all possibilities
if TO_RTX is CONCAT.
* expmed.c (store_bit_field_1): Avoid trying to create
invalid SUBREGs.
(store_split_bit_field): If SUBREG_REG (op0) or
op0 itself has smaller mode than word, return it
for offset 0 and const0_rtx for out-of-bounds stores.
If word is const0_rtx, skip it.
* gcc.c-torture/compile/pr48335-1.c: New test.
* gcc.dg/pr48335-1.c: New test.
* gcc.dg/pr48335-2.c: New test.
* gcc.dg/pr48335-3.c: New test.
* gcc.dg/pr48335-4.c: New test.
* gcc.dg/pr48335-5.c: New test.
* gcc.dg/pr48335-6.c: New test.
* gcc.dg/pr48335-7.c: New test.
* gcc.dg/pr48335-8.c: New test.
* gcc.target/i386/pr48335-1.c: New test.
re PR bootstrap/48400 (powerpc-apple-darwin9 fails to bootstrap at revision 171824)
PR 48400
* dwarf2out.c (dwarf2out_source_line): Disable discriminators
in strict mode before dwarf4. Re-order tests to early out
before switching sections.
Mark Wielaard [Fri, 1 Apr 2011 18:24:52 +0000 (18:24 +0000)]
Don't add DW_AT_low_pc if the CU has no associated code.
* dwarf2out.c (dwarf2out_finish): Don't add low_pc and/or
high_pc attribute if the CU has no associated code. Only output
DW_AT_entry_pc for CU if not generating strict dwarf and
dwarf_version < 4.
sched-ebb.c (begin_schedule_ready): Remove second argument.
* sched-ebb.c (begin_schedule_ready): Remove second argument.
Split most of the code into...
(begin_move_insn): ... here. New function.
(ebb_sched_info): Add a pointer to it.
* haifa-sched.c (scheduled_insns): New static variable.
(sched_extend_ready_list): Allocate it.
(schedule_block): Use it to record the order of scheduled insns.
Perform RTL changes to move insns only after all scheduling
decisions have been made.
* modulo-sched.c (sms_sched_haifa_sched_info): Add NULL entry for the
begin_move_insn field.
* sel-sched-ir.c (sched_sel_haifa_sched_info): Likewise.
* sched-int.h (struct haifa_sched_info): Remove second argument
from begin_schedule_ready hook. Add new member begin_move_insn.
* sched-rgn.c (begin_schedule_ready): Remove second argument.
(rgn_const_sched_info): Add NULL entry for the begin_move_insn field.
* dwarf2out.h (dwarf2out_frame_debug_init): Declare.
* dwarf2out.c (dwarf2out_frame_debug_init): New function, broken
out of ...
(dwarf2out_frame_debug): ... here. Don't handle a NULL argument.
* final.c (final_start_function): Call the new function rather
than using a NULL argument for dwarf2out_frame_debug.