2006-02-20 Steven G. Kargl <kargls@comcast.net>
* MAINTAINERS (Write After Approval): Remove myself.
(Language Front End Maintainers): Add myself as fortran 95 maintainer.
From-SVN: r111315
2006-02-20 Andreas Tobler <a.tobler@schweiz.ch>
* testsuite/libffi.call/return_fl2.c (return_fl): Remove static
declaration to avoid a false negative on ix86. See PR323.
From-SVN: r111314
* tree-chrec.c (eq_evolutions_p): New.
* tree-chrec.h (eq_evolutions_p): Declared.
* tree-data-ref.c: Fix formatting.
(datadep_stats, dependence_stats): New.
(gcd): Moved...
(print_direction_vector): New.
(dump_data_dependence_relation): Use print_direction_vector.
(object_analysis, create_data_ref): Handle COMPONENT_REF.
(compute_subscript_distance): Static.
(initialize_data_dependence_relation): Static. Get the number
of loops surrounding the references from the callers, and initialize
DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
base_object_differ_p analyzers.
(analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
compute_overlap_steps_for_affine_1_2,
analyze_subscript_affine_affine): Count the classified dependences.
Print a message when a test failed.
(can_use_analyze_subscript_affine_affine): New.
(analyze_siv_subscript): Compute the data dependences on symbolic
scevs that verify can_use_analyze_subscript_affine_affine.
(chrec_steps_divide_constant_p): Returns true, false, or unknown.
(analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
Handle symbolic scevs.
(analyze_overlapping_iterations): Let symbolic affine scevs to be
analyzed.
(subscript_dependence_tester): Moved...
(build_classic_dist_vector, build_classic_dir_vector): Don't use
lambda_vector_clear on newly allocated vectors. Get nb_loops from
DDR_SIZE_VECT instead of getting it in parameter.
(subscript_dependence_tester): ... here. Take as a parameter
loop_nest_depth. Call build_classic_dist_vector and
build_classic_dir_vector.
(compute_affine_dependence): Update subscript_dependence_tester
parameters. Update datadep_stats counters. Call
compute_subscript_distance.
(compute_self_dependence): Save the dist and dir vectors. Call
compute_subscript_distance.
(ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
(compute_all_dependences): Reorder parameters as they were before
conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
compute_subscript_distance. Update the use of
compute_affine_dependence and initialize_data_dependence_relation.
(find_data_references_in_loop): Handle COMPONENT_REF.
(compute_data_dependences_for_loop): Initialize dependence_stats.
Don't call build_classic_dist_vector and build_classic_dir_vector.
Update the parameters of initialize_data_dependence_relation and
compute_all_dependences. Print the statistics from datadep_stats.
(analyze_all_data_dependences): Static. Not used until the pass for
checking the data dependences is contributed.
* tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
(initialize_data_dependence_relation, compute_affine_dependence,
analyze_all_data_dependences, compute_subscript_distance): Removed.
(print_direction_vector): New.
* lambda.h (gcd): ... here.
(lambda_vector_gcd): Moved here from gcd_vector.
* lambda-code.c (gcd, gcd_vector): Removed.
(lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
* Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
From-SVN: r111312
2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
* gcc.dg/tree-ssa/complex-3.c: Split out first part into ...
* gcc.dg/tree-ssa/complex-4.c: Here.
From-SVN: r111309
2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
PR tree-opt/25879
* tree-pretty-print.c (debug_tree_chain): Walk the chains.
(dump_decl_name): Do not walk the decl tree chains.
* tree-pass.h (TDF_CHAIN): Remove.
From-SVN: r111308
* trans-stmt.c (gfc_trans_where_2): Avoid updating unused current
execution mask for empty WHERE/ELSEWHERE clauses. Don't allocate
temporary mask arrays if they won't be used.
From-SVN: r111303
* trans-stmt.c (gfc_trans_where_assign): Remove code to handle
traversing a linked list of MASKs. The MASK is now always a
single element requiring no ANDing during the assignment.
From-SVN: r111301
2006-02-20 Daniel Berlin <dberlin@dberlin.org>
* tree.h (struct tree_memory_tag): Add is_used_alone member.
(TMT_USED_ALONE): New macro.
* tree-pass.h (PROP_tmt_usage): New property.
(TODO_update_tmt_usage): New todo.
* tree-ssa-alias.c (updating_used_alone): New variable.
(recalculate_used_alone): New function.
(compute_may_aliases): Set updating_used_alone, call
recalculate_used_alone.
* tree-sra.c (pass_sra): Note that this pass destroys
PROP_tmt_usage, and add TODO_update_tmt_usage.
* tree-ssa-forwprop.c (pass_forwprop): Ditto.
* tree-flow.h (updating_used_alone): Prototype.
(recalculate_used_alone): Ditto.
* passes.c (execute_todo): Add code to set updating_used_alone,
and call recalculate.
* tree-ssa-operands.c (add_virtual_operand): Only append bare def
for clobber if used alone, and add assert to verify used_alone
status.
From-SVN: r111300
2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
* config/s390/s390.c (legitimize_pic_address): Assertions checking
for non tls symbols added.
(legitimize_address): Do nothing for PLUS expressions if one of the
addends is a tls symbol reference.
From-SVN: r111296
2006-02-20 Paolo Bonzini <bonzini@gnu.org>
PR bootstrap/25670
* Makefile.tpl ([+compare-target+]): Print explanation messages.
* Makefile.def (ADAFLAGS, BOOT_ADAFLAGS, LANGUAGES): New flags_to_pass.
* Makefile.tpl (BASE_FLAGS_TO_PASS): Support optional flags_to_pass.
(EXTRA_GCC_FLAGS): Remove ADAFLAGS, BOOT_ADAFLAGS, LANGUAGES,
BUILD_PREFIX, BUILD_PREFIX_1.
* configure.in: (BUILD_PREFIX, BUILD_PREFIX_1): Don't substitute.
* Makefile.def (bootstrap stage 1): Pass LIBCFLAGS too.
* Makefile.tpl (POSTSTAGE1_FLAGS_TO_PASS): Override LIBCFLAGS too.
* Makefile.tpl (configure-stage[+id+]-[+prefix+][+module+],
all-stage[+id+]-[+prefix+][+module+], : Use $(current_stage) instead
of `cat stage_current`. Always provide the `r' and `s' variables.
(clean-stage[+id+]-[+prefix+][+module+]): Likewise, and make it into
a single shell execution.
(configure-[+prefix+][+module+], all-[+prefix+][+module+]): For
bootstrapped modules, make the stage1 module if the build was not
started yet, else build the current stage.
(all-host, all-target): Omit bootstrapped modules (if bootstrapping).
(all-build, all-host, all-target, [+make_target+]-host,
[+make_target+]-target): Do not use \-continued lines.
(target modules): Depend on stage_last, not all-gcc, if bootstrapping.
(current_stage, restrap, stage_last): New.
* Makefile.in: Regenerate.
* configure: Regenerate.
gcc:
2006-02-20 Paolo Bonzini <bonzini@gnu.org>
PR bootstrap/25476
* Makefile.in (LDFLAGS): Define from autoconf substitution.
* Makefile.in (BOOTSTRAPPING): New.
(quickstrap): New definition if BOOTSTRAPPING=yes.
* Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
* configure.ac: Substitute all_selected_languages with the languages
that were configured. For all the other variables except
lang_specs_files, include all the languages in the tree.
* configure: Regenerate.
* Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
if there is one. Run the commands to run fixincludes in the same
subshell.
* doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
* doc/install.texi: Document exact conventions for searching target tools.
Document --with-build-time-tools. Document toplevel bootstrap. Document
something more about building an Ada cross-compiler. Don't list GNU Make
requirements which affect all platforms.
From-SVN: r111295
PR middle-end/19543
* varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
only equivalent if the have both the same mode and precision.
* gfortran.dg/logical_1.f90: New test case.
From-SVN: r111294
* gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
constant pool references to identify stack mode constants.
* rtlanal.c (constant_pool_constant_p): New predicate to check
whether operand is a floating point constant in the pool.
* rtl.h (constant_pool_constant_p): Prototype here.
* loop.c (scan_loop): Avoid hoisting constants from the constant
pool on STACK_REGS targets.
(load_mems): Likewise.
* loop-invariant.c (get_inv_cost): Make hoisting constant pool
loads into x87 registers expensive in terms of register pressure.
Co-Authored-By: Steven Bosscher <stevenb.gcc@gmail.com>
From-SVN: r111283
PR libfortran/21303
* gfortran.h (notification): New enumeration.
(gfc_notification_std): Prototype for the new function.
* error.c (gfc_notification_std): New function.
* io.c (check_format): Handle the case of a L format descriptor
without a width.
* runtime/error.c (notification_std): New function.
* libgfortran.h (notification): New enumeration.
* io/io.h (notification_std): Prototype for the new function.
* io/format.c (parse_format_list): Handle the case of a L format
descriptor without a width.
* gcc/testsuite/gfortran.dg/fmt_l.f90: New test.
From-SVN: r111281
2006-02-19 Daniel Berlin <dberlin@dberlin.org>
* doc/invoke.texi: Document -fipa-pta.
* common.opt: Add ipa-pta option.
* tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
(do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
(do_ds_constraint): Ditto.
(get_constraint_for): Only add to referenced_vars if
referenced_vars exists.
(insert_into_field_list): Rewrite to do this unsorted.
(insert_into_field_list_sorted): Rename old insert_into_field_list
to this.
(create_function_info_for): Use insert_into_field_list_sorted.
(create_variable_info_for): Rewrite so it uses unsorted version,
since the field list is sorted.
(intra_create_variable_infos): Only add to referenced_vars if
referenced_vars exists.
(ipa_pta_execute): Init heapvars, and delete when done.
* passes.c (init_optimization_passes): Add call to pass_ipa_pta.
From-SVN: r111273
2006-02-19 Bud Davis <jmdavis@link.com>
* MAINTAINERS (Write After Approval): Remove myself.
(Language Front End Maintainers): Add myself as fortran 95
maintainer and update e-mail address.
From-SVN: r111269
2005-02-19 Paul Thomas <pault@gcc.gnu.org>
PR fortran/25054
* resolve.c (is_non_constant_shape_array): New function.
(resolve_fl_variable): Remove code for the new function and call it.
(resolve_fl_namelist): New function. Add test for namelist array
with non-constant shape, using is_non_constant_shape_array.
(resolve_symbol): Remove code for resolve_fl_namelist and call it.
PR fortran/25089
* match.c (match_namelist): Increment the refs field of an accepted
namelist object symbol.
* resolve.c (resolve_fl_namelist): Test namelist objects for a conflict
with contained or module procedures.
2005-02-19 Paul Thomas <pault@gcc.gnu.org>
PR fortran/25054
* gfortran.dg/namelist_5.f90: New test.
PR fortran/25089
* gfortran.dg/namelist_4.f90: New test.
From-SVN: r111268
* cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
* emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
(copy_insn_1): Likewise. Don't copy each field individually.
Reindent.
* read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
of RTX_SIZE.
* reload1.c (eliminate_regs): Use shallow_copy_rtx.
* rtl.c (rtx_size): Rename variable to...
(rtx_code_size): ...this.
(rtx_size): New function.
(rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
(copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
Reindent.
(shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
* rtl.h (rtx_code_size): New variable.
(rtx_size): Change from a variable to a function.
(RTX_SIZE): Rename to...
(RTX_CODE_SIZE): ...this.
PR target/9703
PR tree-optimization/17106
* doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
(Anchored Addresses): New section.
* doc/invoke.texi (-fsection-anchors): Document.
* doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
(SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
(SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
* hooks.c (hook_bool_mode_rtx_false): New function.
* hooks.h (hook_bool_mode_rtx_false): Declare.
* gengtype.c (create_optional_field): New function.
(adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
SYMBOL_REF_IN_BLOCK_P is true.
* target.h (output_anchor, use_blocks_for_constant_p): New hooks.
(min_anchor_offset, max_anchor_offset): Likewise.
(use_anchors_for_symbol_p): New hook.
* toplev.c (compile_file): Call output_object_blocks.
(target_supports_section_anchors_p): New function.
(process_options): Check that -fsection-anchors is only used on
targets that support it and when -funit-at-a-time is in effect.
* tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
if the decl doesn't have one.
* dwarf2out.c: Remove instantiations of VEC(rtx,gc).
* expr.c (emit_move_multi_word, emit_move_insn): Pass the result
of force_const_mem through use_anchored_address.
(expand_expr_constant): New function.
(expand_expr_addr_expr_1): Call it. Use the same modifier when
calling expand_expr for INDIRECT_REF.
(expand_expr_real_1): Pass DECL_RTL through use_anchored_address
for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
* expr.h (use_anchored_address): Declare.
* loop-unroll.c: Don't declare rtx vectors here.
* explow.c: Include output.h.
(validize_mem): Call use_anchored_address.
(use_anchored_address): New function.
* common.opt (-fsection-anchors): New switch.
* varasm.c (object_block_htab, anchor_labelno): New variables.
(hash_section, object_block_entry_eq, object_block_entry_hash)
(use_object_blocks_p, get_block_for_section, create_block_symbol)
(use_blocks_for_decl_p, change_symbol_section): New functions.
(get_variable_section): New function, split out from assemble_variable.
(make_decl_rtl): Create a block symbol if use_object_blocks_p and
use_blocks_for_decl_p say so. Use change_symbol_section if the
symbol has already been created.
(assemble_variable_contents): New function, split out from...
(assemble_variable): ...here. Don't output any code for
block symbols; just pass them to place_block_symbol.
Use get_variable_section and assemble_variable_contents.
(get_constant_alignment, get_constant_section, get_constant_size): New
functions, split from output_constant_def_contents.
(build_constant_desc): Create a block symbol if use_object_blocks_p
says so. Or into SYMBOL_REF_FLAGS.
(assemble_constant_contents): New function, split from...
(output_constant_def_contents): ...here. Don't output any code
for block symbols; just pass them to place_section_symbol.
Use get_constant_section and get_constant_alignment.
(force_const_mem): Create a block symbol if use_object_blocks_p and
use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
(output_constant_pool_1): Add an explicit alignment argument.
Don't switch sections here.
(output_constant_pool): Adjust call to output_constant_pool_1.
Switch sections here instead. Don't output anything for block symbols;
just pass them to place_block_symbol.
(init_varasm_once): Initialize object_block_htab.
(default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
(default_asm_output_anchor, default_use_aenchors_for_symbol_p)
(place_block_symbol, get_section_anchor, output_object_block)
(output_object_block_htab, output_object_blocks): New functions.
* target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
(TARGET_ASM_OUT): Include it.
(TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
(TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
(TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
(TARGET_INITIALIZER): Include them.
* rtl.c (rtl_check_failed_block_symbol): New function.
* rtl.h: Include vec.h. Declare heap and gc rtx vectors.
(block_symbol, object_block): New structures.
(rtx_def): Add a block_symbol field to the union.
(BLOCK_SYMBOL_CHECK): New macro.
(rtl_check_failed_block_symbol): Declare.
(SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
(SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
(SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
(SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
* output.h (output_section_symbols): Declare.
(object_block): Name structure.
(place_section_symbol, get_section_anchor, default_asm_output_anchor)
(default_use_anchors_for_symbol_p): Declare.
* Makefile.in (RTL_BASE_H): Add vec.h.
(explow.o): Depend on output.h.
* config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
(TARGET_MAX_ANCHOR_OFFSET): Likewise.
(TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
(rs6000_use_blocks_for_constant_p): New function.
From-SVN: r111254
2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
PR tree-opt/25680
* tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
IMAGPART_EXPR.
2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
PR tree-opt/25680
* testsuite/gcc.dg/tree-ssa/complex-3.c: New test.
From-SVN: r111251
2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
* gcc.dg/tree-ssa/20031106-1.c: Fix the final scan of the
variable to take into account the variable name in the
function header.
* gcc.dg/tree-ssa/20031106-2.c: Likewise.
From-SVN: r111250
PR middle-end/26334
* stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
instead of DECL_REGISTER.
* gcc.c-torture/compile/20060217-1.c: New test.
* gcc.dg/20060218-1.c: New test.
From-SVN: r111247
* trans-stmt.c (struct temporary_list): Delete.
(gfc_trans_where_2): Major reorganization. Remove no longer needed
TEMP argument. Allocate and deallocate the control mask and
pending control mask locally.
(gfc_trans_forall_1): Delete TEMP local variable, and update
call to gfc_trans_where_2. No need to deallocate arrays after.
(gfc_evaluate_where_mask): Major reorganization. Change return
type to void. Pass in parent execution mask, MASK, and two
already allocated mask arrays CMASK and PMASK. On return
CMASK := MASK & COND, PMASK := MASK & !COND. MASK, CMASK and
CMASK may all be NULL, or refer to the same temporary arrays.
(gfc_trans_where): Update call to gfc_trans_where_2. We no
longer need a TEMP variable or to deallocate temporary arrays
allocated by gfc_trans_where_2.
From-SVN: r111245
GCC Administrator
Steven G. Kargl
Andreas Tobler
Sebastian Pop
Diego Novillo
Andrew Pinski
Andrew Pinski
Rafael Espindola
Andrew Haley
Roger Sayle
Paolo Bonzini
Paolo Carlini
Daniel Berlin
Angel Nunez Mencias
Ben Elliston
François-Xavier Coudert
Thomas Koenig
Jakub Jelinek
David Edelsohn
John David Anglin
H.J. Lu
Erik Edelmann
Bud Davis
Paul Thomas
Francois-Xavier Coudert
Mark Wielaard
David Edelsohn
Richard Sandiford
Olivier Hainque
Danny Smith
Steve Ellcey
Joseph Myers
Grigory Zagorodnev