2005-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
* df-scan.c (problem_SCAN): Added NULL reset function.
(df_scan_reset_blocks): Added code to call reset block function
(df_bb_refs_delete) Fixed comment.
(df_insn_refs_delete): Made tolerant of deleting non existent info
for dataflow problems that need to be reset.
* df-core.c (df_set_blocks): Ditto.
* df.h (struct df_problem): Added reset_fun.
* df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
(df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
functions to clear out all references to def-use or use-def chains.
From-SVN: r110066
2005-01-21 Paul Thomas <pault@gcc.gnu.org>
PR fortran/25124
PR fortran/25625
* decl.c (get_proc_name): If there is an existing
symbol in the encompassing namespace, call errors
if it is a procedure of the same name or the kind
field is set, indicating a type declaration.
PR fortran/20881
PR fortran/23308
PR fortran/25538
PR fortran/25710
* decl.c (add_global_entry): New function to check
for existing global symbol with this name and to
create new one if none exists.
(gfc_match_entry): Call add_global_entry before
matching argument lists for subroutine and function
entries.
* gfortran.h: Prototype for existing function,
global_used.
* resolve.c (resolve_global_procedure): New function
to check global symbols for procedures.
(resolve_call, resolve_function): Calls to this
new function for non-contained and non-module
procedures.
* match.c (match_common): Add check for existing
global symbol, creat one if none exists and emit
error if there is a clash.
* parse.c (global_used): Remove static and use the
gsymbol name rather than the new_block name, so that
the function can be called from resolve.c.
(parse_block_data, parse_module, add_global_procedure):
Improve checks for existing gsymbols. Emit error if
already defined or if references were to another type.
Set defined flag.
PR fortran/PR24276
* trans-expr.c (gfc_conv_aliased_arg): New function called by
gfc_conv_function_call that coverts an expression for an aliased
component reference to a derived type array into a temporary array
of the same type as the component. The temporary is passed as an
actual argument for the procedure call and is copied back to the
derived type after the call.
(is_aliased_array): New function that detects an array reference
that is followed by a component reference.
(gfc_conv_function_call): Detect an aliased actual argument with
is_aliased_array and convert it to a temporary and back again
using gfc_conv_aliased_arg.
2005-01-21 Paul Thomas <pault@gcc.gnu.org>
PR fortran/25124
PR fortran/25625
* gfortran.dg/internal_references_1.f90: New test.
PR fortran/20881
PR fortran/23308
PR fortran/25538
PR fortran/25710
* gfortran.dg/global_references_1.f90: New test.
* gfortran.dg/g77/19990905-1.f: Restore the error that
there is a clash between the common block name and
the name of a subroutine reference.
PR fortran/PR24276
* gfortran.dg/aliasing_dummy_1.f90: New test.
From-SVN: r110063
2006-01-20 Paul Brook <paul@codesourcery.com>
Merge from csl-arm-branch.
2005-09-21 Kazu Hirata <kazu@codesourcery.com>
* config/arm/arm.md (movdi): Force operands[1] to a register
if we have a non-register source.
(*arm_movdi, *movdf_soft_insn): Require that one of the
operands be a register.
* config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
* config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
From-SVN: r110048
libiberty/
2006-01-20 Carlos O'Donell <carlos@codesourcery.com>
* testsuite/Makefile.in: Add test-expandargv test.
* testsuite/test-expandargv.c: New test.
* argv.c (expandargv): Check for errors with ferror,
rather than just by looking at return value from fread.
From-SVN: r110047
2006-01-20 Benjamin Kosnik <bkoz@redhat.com>
* acinclude.m4 (GLIBCXX_CHECK_LINKER_FEATURES): Verbose ld version
reporting. Disable --gc-sections for old binutils, by version.
* configure: Regenerate.
From-SVN: r110045
* varasm.c (initialize_constant_valid_p): Allow pointers
initialized from integer constants of lesser precision.
(output_constant): Allow non-int-sized pointer modes to be
initialized from integer constants.
From-SVN: r110041
PR c++/22136
* name-lookup.c (do_class_using_decl): Don't try to look up base
classes in templates with dependent base types.
PR c++/22136
* g++.dg/template/using10.C: New test.
* g++.dg/temlpate/using11.C: Likewise.
* g++.dg/inherit/using5.C: Tweak error messages.
From-SVN: r110017
2005-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
* df-scan.c (df_scan_free_bb_info): Added basic block parameter to
be able to clean out basic block when not necessary.
(df_scan_free): Fixed to properly delete information if df is
unused before calling df_finish.
(df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
or comment typos.
(df_bb_refs_delete): New function.
(df_refs_delete): Moved per block code to df_bb_refs_delete.
* df-core.c (df_set_blocks): Added code to properly clean out
unused blocks if they are not part of the blocks to consider.
Added additional null check.
(df_compact_blocks): Added basic block parameter to free_bb_fun to
be able to clean out basic block when not necessary
* df.h (df_free_bb_function): Ditto.
(df_bb_refs_delete): New function.
* df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
basic block parameter to be able to clean out basic block when not
necessary.
(df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
(df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
Fixed to properly delete information if df is unused before
calling df_finish.
From-SVN: r110009
2005-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
PR rtl-optimization/25799
* df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
Corrected confluence operator to remove bits from op2 before oring
with op1 rather than removing bits from op1.
(df_ru_transfer_function): Corrected test on wrong bitmap which
caused infinite loop. Both of these problems were introduced in
the dataflow rewrite.
From-SVN: r110008
2005-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
PR rtl-optimization/25799
* df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
Corrected confluence operator to remove bits from op2 before oring
with op1 rather than removing bits from op1.
* (df_ru_transfer_function): Corrected test on wrong bitmap which
caused infinite loop. Both of these problems were introduced in
the dataflow rewrite.
From-SVN: r110007
* loop-iv.c: Include df.h and hashtab.h.
(enum iv_grd_result): New enum.
(DF_REF_IV, DF_REF_IV_SET): New macros.
(struct biv_entry): New.
(df, bivs): New global variables.
(struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
Removed.
(clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
analyzed_for_bivness_p, record_biv): New functions.
(iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
iv_analyze, biv_p, iv_analysis_done): Work with df representation of
UD chains.
(iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
analysed.
(iv_number_of_iterations): Use new interface to iv analysis.
* loop-unroll.c: Do not include varray.h.
(analyze_iv_to_split_insn): Use new interface to iv
analysis.
* loop-unswitch.c (may_unswitch_on): Ditto.
* df.c (df_bitmaps_free): Only work for bbs for that structures are
allocated.
(df_bb_modify): Realloc tables to the new index.
(df_find_use): New function.
* df.h (df_find_use): Declare.
* optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
outmode.
* cfgloop.h (struct rtx_iv): Remove analysed field.
(iv_get_reaching_def): Removed.
(iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
* Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
(loop-iv.o): Add df.h and hashtab.h dependency.
* df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
From-SVN: r110005
2006-01-19 Paul Brook <paul@codesourcery.com>
* gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
as nothrow when unwinding tables are disabled.
From-SVN: r109994
2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
PR target/22099
* config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
* config/i386/i386.c (output_set_got): Output the label if we have one
for the TARGET_DEEP_BRANCH_PREDICTION case.
From-SVN: r109974
2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
* objc.dg/gnu-encoding/struct-layout-encoding-1_generate.c (switchfiles):
Fix fprintf's by adding srcdir or removing it.
From-SVN: r109970
* tree-pretty-print.c (dump_generic_node): Handle
OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
* cgraph.c (cgraph_expand_queue): Rename from
cgraph_analyze_queue.
Update all users.
* cgraphunit.c (cgraph_assemble_pending_functions): Process
cgraph_expand_queue.
(cgraph_expand_all_functions): Likewise.
(cgraph_finalize_pending_functions): Remove. Update callers.
* tree.h (OMP_DIRECTIVE_P): Define.
(OMP_PARALLEL_FN): Define.
(OMP_PARALLEL_DATA_ARG): Define.
(OMP_SECTIONS_SECTIONS): Define.
* tree-pass.h (pass_expand_omp): Declare.
* omp-low.c (struct omp_region): Declare.
(struct omp_context): Remove fields 'parallel_type',
'parallel_start_ix' and 'parallel_start_additional_args'.
Update all users.
(struct omp_for_data): Rename from struct expand_omp_for_data.
(omp_regions): New static variable.
(root_omp_region): New static variable.
(find_omp_clause): Make static.
(is_in_combined_parallel_ctx): Remove.
(is_combined_parallel): New.
(extract_omp_for_data): Move earlier in the file.
(workshare_safe_to_combine_p): New.
(get_ws_args_for): New.
(determine_parallel_type): Move earlier in the file.
(omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
child function.
(omp_copy_decl): Likewise.
(create_omp_child_function): Likewise.
(lookup_omp_region): New.
(dump_omp_region): New.
(debug_omp_region): New.
(debug_all_omp_regions): New.
(new_omp_region): New.
(scan_omp_parallel): If parallel_nesting_level > 1, the
directive is nested within another parallel directive.
Set OMP_PARALLEL_FN.
(scan_omp_for): Do not try to handle combined parallel+for
cases.
Remove FIXME comment.
(scan_omp_nested): Remove.
(scan_omp_1): Do not call scan_omp_nested when
parallel_nesting_level is > 1.
Do not change the DECL_CONTEXT of local variables found.
(lookup_decl_in_outer_ctx): New.
(lower_rec_input_clauses): Rename from expand_rec_input_clauses.
(lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
(lower_reduction_clauses): Rename from expand_reduction_clauses.
(lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
If CTX is nested, lookup VAR in the outer context when
building copy assignment.
(lower_send_clauses): Rename from expand_send_clauses.
If CTX is nested, lookup VAR in the outer context when
building copy assignments.
(lower_send_shared_vars): Rename from expand_send_shared_vars.
If CTX is nested, lookup VAR in the outer context when
building copy assignments.
(expand_parallel_call): Rename from build_parallel_call.
Handle combined parallel+workshare cases.
Re-implement to emit code into the CFG.
(list2chain): New.
(expand_omp_parallel): Re-implement to emit code into the CFG.
Call move_sese_region_to_fn to outline the sub-graph
containing the parallel region.
(expand_omp_for_1): Remove.
(expand_omp_for_generic): Re-implement to emit code into the
CFG.
(expand_omp_for_static_nochunk): Likewise.
(expand_omp_for_static_chunk): Likewise.
(expand_omp_for): Likewise.
(expand_omp_sections): Likewise.
(remove_exit_barriers): New.
(expand_omp_synch): New.
(expand_omp): New.
(build_omp_regions_1): New.
(build_omp_regions): New.
(execute_expand_omp): New.
(gate_expand_omp): New.
(pass_expand_omp): Define.
(lower_omp_sections): Rename from expand_omp_sections.
Set OMP_SECTIONS_SECTIONS.
(lower_omp_single_simple): Rename from expand_omp_single_simple.
(lower_omp_single_copy): Rename from expand_omp_single_copy.
(lower_omp_single): Rename from expand_omp_simple.
(lower_omp_master): Rename from expand_omp_master.
(lower_omp_ordered): Rename from expand_omp_ordered.
(lower_omp_critical): Rename from expand_omp_critical.
(lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
(lower_omp_for): Re-implement.
(lower_omp_parallel): Re-implement.
(lower_regimplify): Rename from expand_regimplify.
(lower_omp_1): Rename from expand_omp_1.
If there are syntax errors in the program, replace every
OpenMP directive with NOP.
Call lower_omp_* instead of expand_omp_*.
(lower_omp): Rename from expand_omp.
* tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
* tree-gimple.h (enum omp_parallel_type): Remove.
(gimple_boolify): Declare extern.
(find_omp_clause, determine_parallel_type): Remove.
* gimple-low.c (lower_omp_directive): New.
(lower_stmt): Call it.
(record_vars_into): Move from ...
(record_vars): ... here.
Call record_vars_into with current_function_decl.
* gimplify.c (struct gimplify_ctx): Remove fields
combined_pre_p and combined_ctxp. Update users.
(get_formal_tmp_var): Add documentation.
(gimple_boolify): Make extern.
(gimplify_expr_in_ctx): Remove. Update callers.
(gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
will always be a BIND_EXPR.
(gimplify_expr): Handle OMP_RETURN_EXPR.
* tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
(OMP_PARALLEL): Add 3 operands.
(OMP_SECTIONS): Add 1 operand.
(OMP_RETURN_EXPR): Define.
* tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
(copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
* tree-iterator.c (alloc_stmt_list): Assert that we are not
creating a circular free list.
(free_stmt_list): Assert that we are not freeing stmt_list_cache.
* tree-flow.h (move_sese_region_to_fn): Declare.
(record_vars_into): Declare.
* tree-cfg.c (make_omp_sections_edges): New.
(make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
OMP_SECTIONS and OMP_SECTION.
(is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
(set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
(verify_stmt): Do not handle OMP_DIRECTIVE_P.
(gather_blocks_in_sese_region): New.
(struct move_stmt_d): Declare.
(move_stmt_r): New.
(move_block_to_fn): New.
(move_sese_region_to_fn): New.
* passes.c (init_optimization_passes): Schedule
pass_expand_omp after pass_init_datastructures.
* tree-ssa-operands.c (get_expr_operands): Handle
OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
testsuite/
* testsuite/gcc.dg/gomp/for-13.c: Use -fdump-tree-ompexp.
* testsuite/gcc.dg/gomp/critical-1.c: Likewise.
* testsuite/gcc.dg/gomp/critical-3.c: Likewise.
* testsuite/gcc.dg/gomp/empty.c: Likewise.
* testsuite/gcc.dg/gomp/ordered-1.c: Likewise.
* testsuite/gcc.dg/gomp/for-4.c: Likewise.
* testsuite/gcc.dg/gomp/for-6.c: Likewise.
* testsuite/gcc.dg/gomp/master-3.c: Likewise.
* testsuite/gcc.dg/gomp/for-8.c: Likewise.
* testsuite/gcc.dg/gomp/for-10.c: Likewise.
* testsuite/gcc.dg/gomp/for-18.c: Likewise.
* testsuite/gcc.dg/gomp/for-5.c: Likewise.
* testsuite/gcc.dg/gomp/for-7.c: Likewise.
* testsuite/gcc.dg/gomp/for-9.c: Likewise.
From-SVN: r109969
* tree-vrp.c (extract_range_from_assert): Refine the result range
if the variable referenced by the ASSERT_EXPR has a range and
either the tentative result range or the previous range is a
VR_ANTI_RANGE.
* gcc.dg/tree-ssa/vrp25.c: New test.
From-SVN: r109968
2006-01-19 Paolo Bonzini <bonzini@gnu.org>
* combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
(expand_compound_operation, expand_field_assignment): Fail if the
bit lengths of an extract operation are out of range.
(make_extraction): Compute wanted_inner_mode based on the position
and length of the extraction. Make it extraction_mode for non-constant
positions, and do not modify offset in that case. When generating a
new MEM, use a mode that can hold the extraction while keeping correct
alignment. Remove code that supported MEMs wrapped by USEs.
(simplify_shift_const_1, force_to_mode) <case USE>: Remove.
From-SVN: r109961
Kenneth Zadeck
Paul Thomas
GCC Administrator
Ben Elliston
Paul Brook
Carlos O'Donell
Benjamin Kosnik
Alan Modra
DJ Delorie
Richard Guenther
Volker Reichelt
Joseph Myers
Steve Ellcey
Zdenek Dvorak
John David Anglin
Diego Novillo
Richard Sandiford
Dirk Mueller
Mark Mitchell
Paolo Carlini
Kenneth Zadeck
H.J. Lu
Jan Hubicka
Andrew Pinski
Jan Hubicka
Jeff Law
Paolo Bonzini