2012-05-02 Richard Guenther <rguenther@suse.de>
* tree.c (valid_constant_size_p): New function.
* tree.h (valid_constant_size_p): Declare.
* cfgexpand.c (expand_one_var): Adjust check for too large
variables by using valid_constant_size_p.
* varasm.c (assemble_variable): Likewise.
c/
* c-decl.c (grokdeclarator): Properly check for sizes that
cover more than half of the address-space.
cp/
* decl.c (grokdeclarator): Properly check for sizes that
cover more than half of the address-space.
2012-05-02 Richard Guenther <rguenther@suse.de>
* fold-const.c (div_if_zero_remainder): sizetypes no longer
sign-extend.
(int_const_binop_1): New worker for int_const_binop with
overflowable parameter. Pass it through
to force_fit_type_double.
(int_const_binop): Wrap around int_const_binop_1 with overflowable
equal to one.
(size_binop_loc): Call int_const_binop_1 with overflowable equal
to minus one, forcing overflow detection for even unsigned types.
(extract_muldiv_1): Remove bogus TYPE_IS_SIZETYPE special-casing.
(fold_binary_loc): Call try_move_mult_to_index with signed offset.
* stor-layout.c (initialize_sizetypes): sizetypes no longer
sign-extend.
(layout_type): For zero-sized arrays ignore overflow on the
size calculations.
* tree-ssa-ccp.c (bit_value_unop_1): Likewise.
(bit_value_binop_1): Likewise.
* tree.c (double_int_to_tree): Likewise.
(double_int_fits_to_tree_p): Likewise.
(force_fit_type_double): Likewise.
(host_integerp): Likewise.
(int_fits_type_p): Likewise.
* varasm.c (output_constructor_regular_field): Sign-extend the
field-offset to cater for negative offsets produced by the Ada frontend.
* omp-low.c (extract_omp_for_data): Convert the loop step to
signed for pointer adjustments.
* g++.dg/tree-ssa/pr19807.C: Adjust.
From-SVN: r187042
* lto-symtab.c (lto_varpool_replace_node): Do not merge needed flags.
* cgraphbuild.c (record_reference, record_type_list, mark_address,
mark_load, mark_store): Do not mark varpool nodes as needed.
* cgraph.c (cgraph_new_nodes): Remove.
(cgraph_create_function_alias): Do not mark nodes as reachable.
(cgraph_add_thunk): Likewise.
(cgraph_mark_reachable_node): Do not manage the queue.
* cgraph.h (cgraph_node): Remove next_needed.
(varpool_nodes_queue): Remove next_needed and prev_needed.
(x_cgraph_nodes_queue, x_cgraph_nodes_queue, cgraph_new_nodes): Remove.
(cgraph_new_nodes): Declare.
(x_varpool_nodes_queue, varpool_nodes_queue); Remove.
(varpool_analyze_pending_decls): Remove.
(varpool_analyze_node): New.
(varpool_mark_needed_node): Remove.
(varpool_first_variable, varpool_next_variable): New inlines.
(varpool_first_static_initializer, varpool_next_static_initializer): Update.
(FOR_EACH_STATIC_VARIABLE): Remove unused walker.
(varpool_first_defined_variable): New inline.
(varpool_next_defined_variable): New inline
(FOR_EACH_VARIABLE): Reimplement.
(FOR_EACH_DEFINED_VARIABLE): Reimplement.
* toplev.c (wrapup_global_declaration_2): Use analyzed instead of
needed flag.
* cgraphunit.c (cgraph_new_nodes): Declare here.
(enqueue_node): New function.
(cgraph_process_new_functions): update for new
node set; when constructing cgraph enqueue node for processing.
(cgraph_add_new_function): Use new node set.
(process_function_and_variable_attributes): Do not set varpool needed
flags.
(referred_to_p): New function.
(varpool_finalize_decl): Move here from varpool.c; enqueue needed node
when varpool is in construction.
(cgraph_analyze_functions): Rewrite.
(cgraph_expand_all_functions): Update.
(cgraph_output_in_order): Do not analyze pending decls; do not set needed flags.
(cgraph_optimize): Do not analyze pending decls.
* lto-cgraph.c (input_varpool_node): Clear analyzed flag for objects in other
partition; do not mark node as needed.
* dwarf2out.c (reference_to_unused): Use analyzed flag.
(premark_types_used_by_global_vars_helper): Likewise.
* ipa.c (process_references): Do not call varpool_mark_needed_node.
(cgraph_remove_unreachable_nodes): Do not rely on varpool and
cgrpah queues.
(function_and_variable_visibility): Do not mark node as needed.
(whole_program_function_and_variable_visibility): Likewise.
* Makefile.in (gt-varpool.h): No longer needed.
* passes.c (execute_one_pass, execute_ipa_pass_list): Update.
(ipa_write_summaries): Do not use needed flag.
* varpool.c: Do not include gt-varpool.h
(x_varpool_nodes_queue, x_varpool_last_needed_node,
x_varpool_last_needed_node, x_varpool_first_unanalyzed_node,
x_varpool_first_unanalyzed_node, varpool_assembled_nodes_queue):
Remove.
(varpool_remove_node): Do not update the lists.
(dump_varpool_node): Do not dump needed flag.
(varpool_enqueue_needed_node): Remove.
(varpool_mark_needed_node): Remove.
(varpool_reset_queue): Remove.
(varpool_finalize_decl): Move to cgraphunit.c
(varpool_analyze_node): New functions based on former
varpool_analyze_pending_decls.
(varpool_analyze_pending_decls): Remove.
(varpool_assemble_decl): Do not update the lists.
(enqueue_node): New function.
(varpool_remove_unreferenced_decls): Rewrite.
(varpool_empty_needed_queue): Remove.
(add_new_static_var): Do not mark node as needed.
(varpool_create_variable_alias): Handle expansion state
creation.
* except.c (output_ttype): Do not mark node as needed.
* varasm.c (mark_decl_referenced): Do not use mark_needed_node.
* tree-profile.c (init_ic_make_global_vars, init_ic_make_global_vars):
Likewise.
* tree-switch-conversion.c (build_one_array): Likewise.
* class.c (build_utf8_ref): Do not mark varpool node as needed.
* gcc-interface/utils.c (gnat_write_global_declarations): Do not mark
needed node.
* lto-partition.c (partition_varpool_node_p): Do not use needed flag.
* decl2.c (maybe_make_one_only): Mark keyed COMDATs as USED so they
gets finalized.
From-SVN: r186687
* lto-symtab.c (lto_cgraph_replace_node): Merge needed instead of force flags.
* cgraph.c (cgraph_add_thunk): Use mark_reachable_node.
(cgraph_remove_node): Update.
(cgraph_mark_needed_node): Remove.
(cgraph_mark_force_output_node): New.
(dump_cgraph_node): Do not dump needed flag.
(cgraph_node_cannot_be_local_p_1): Update.
(cgraph_can_remove_if_no_direct_calls_and_refs): Update.
* cgraph.h (symtab_node_base): Add force_output flag.
(cgraph_node): Remove needed flag.
(varpool_node): Remove force_output flag.
(cgraph_mark_needed_node): Remove.
(cgraph_mark_force_output_node): New.
(cgraph_only_called_directly_or_aliased_p,
varpool_can_remove_if_no_refs, varpool_all_refs_explicit_p): Update.
* ipa-cp.c (ipcp_generate_summary): Remove out of date assert.
* cgraphunit.c (cgraph_decide_is_function_needed): rewrite.
(cgraph_add_new_function); Update.
(cgraph_mark_if_needed); Update.
(verify_cgraph_node): Update.
(cgraph_analyze_function): Alias target is reachable.
(process_function_and_variable_attributes): Update: externally_visible
flag makes function reachable.
(cgraph_analyze_functions): Update dumping.
* lto-cgraph.c (lto_output_node, lto_output_varpool_node,
input_overwrite_node, input_varpool_node): Update streaming.
* lto-streamer-out.c (produce_symtab): Use force_output.
* ipa.c (process_references): Weakrefs must be processed.
(cgraph_remove_unreachable_nodes): Likewise; update for new
force_output flag.
(varpool_externally_visible_p); Weakrefs are externally visible
even if they are not.
(function_and_variable_visibility): Update; when processing alias
pair force the targets to be output.
(whole_program_function_and_variable_visility): Use mark_reachable_node.
* trans-mem.c (ipa_tm_mark_needed_node): Remove
(ipa_tm_mark_force_output_node): New function.
(ipa_tm_create_version_alias, ipa_tm_create_version): Update.
* gimple-fold.c (can_refer_decl_in_current_unit_p): Be lax about aliases.
* varasm.c (mark_decl_referenced): Update.
(find_decl_and_mark_needed): Remove.
(find_decl): New function.
(weak_finish, finish_aliases_1, assemble_alias): Update; do not mark
alias targets as needed.
(dump_tm_clone_pairs): Update.
* tree-inline.c (copy_bb): Update check.
* symtab.c (dump_symtab_base): Dump force_output.
* tree-ssa-structalias.c (ipa_pta_execute): Use force_output.
* passes.c (execute_todo): Fix dumping.
* varpool.c (decide_is_variable_needed, varpool_finalize_decl): Update.
(varpool_analyze_pending_decls): Alias target is reachable.
(varpool_create_variable_alias): Finalize weakrefs.
* class.c (make_local_function_alias): Do not mark symbol referenced.
* objc-acct.c (mark_referenced_methods); Use
cgraph_mark_force_output_node.
* gcc-interface/utils.c (gnat_write_global_declarations): Update for new
force_output placement.
* lto/lto-partition.c (partition_cgraph_node_p): Use force_output.
From-SVN: r186624
* varasm.c (initializer_constant_valid_for_bitfield_p): Return true
for REAL_CST as well.
(output_constructor): Use RECORD_OR_UNION_TYPE_P predicate.
In the bitfield case, if the value is a REAL_CST, convert it first to
an INTEGER_CST.
From-SVN: r186100
* acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
Define _start.
Remove -e 0 from $gcc_cv_ld invocation.
Only use __GLIBC_PREREQ if defined.
Enable on Solaris since Solaris 8 patch.
(gcc_SUN_LD_VERSION): New macro.
* configure.ac (ld_ver) <*-*-solaris2*>: Refer to
gcc_SUN_LD_VERSION for version number format.
* configure: Regenerate.
* varasm.c (get_elf_initfini_array_priority_section): Set
SECTION_NOTYPE for non-default priority.
Use get_section instead of get_unnamed_section to emit
.init_array/.fini_array with default priority.
From-SVN: r184390
gcc/
* hard-reg-set.h (target_hard_regs): Add x_accessible_reg_set
and x_operand_reg_set.
(accessible_reg_set, operand_reg_set): New macros.
* reginfo.c (init_reg_sets): Initialize accessible_reg_set and
operand_reg_set.
(saved_accessible_reg_set, saved_operand_reg_set): New variables.
(save_register_info): Save them.
(restore_register_info): Restore them.
(init_reg_sets_1): Limit operand_reg_set to accessible_reg_set.
Remove NO_REGS registers from operand_reg_set. Treat members
of operand_reg_set as fixed.
* recog.c (general_operand): Check operand_reg_set rather than
NO_REGS.
(register_operand, nonmemory_operand): Likewise.
* varasm.c (make_decl_rtl): Always use DECL_MODE as the mode of
register variables. Check accessible_reg_set and operand_reg_set.
* config/mips/mips.c (mips_conditional_register_usage): Remove
inaccessible register from accessible_reg_set, rather than just
making them fixed.
gcc/testsuite/
* gcc.target/mips/mips.exp (mips-dg-options): Make -mno-dsp
imply -mno-dspr2.
* gcc.target/mips/no-dsp-1.c: New test.
* gcc.target/mips/soft-float-1.c: Likewise.
From-SVN: r181760
2011-11-24 Andrew MacLeod <amacleod@redhat.com>
PR other/51011
* tree.h (is_builtin_name): No longer external.
* builtins.c (is_builtin_name): Make static.
* varasm.c (incorporeal_function_p): __sync and __atomic external calls
are not incorporeal and may need asm label processing.
From-SVN: r181721
* final.c, output.h (fprint_whex, fprint_w, fprint_ul, sprint_ul):
New functions serving as fast replacements for fprintf() integer
to string conversions. They were used in the following changes.
* final.c (sprint_ul_rev): Internal helper for the above.
(output_addr_const): case CONST_INT: don't use fprintf().
* elfos.h (ASM_GENERATE_INTERNAL_LABEL): Don't use sprintf("%u"),
use sprint_ul() and stpcpy() which are much faster.
(TARGET_ASM_INTERNAL_LABEL): Define as default_elf_internal_label.
(ELF_ASCII_ESCAPES, ELF_STRING_LIMIT): Are the old ESCAPES and
STRING_LIMIT macros.
(ASM_OUTPUT_LIMITED_STRING, ASM_OUTPUT_ASCII): Macros now just
call respective functions that provide the same
functionality. Those are default_elf_asm_output_limited_string()
and default_elf_asm_output_ascii() in varasm.c.
* varasm.c: Fixed some whitespace inconsistencies.
(default_elf_asm_output_limited_string)
(default_elf_asm_output_ascii): The above macros from elfos.h are
implemented here as these functions, avoiding superfluous calls to
fprintf().
(default_elf_internal_label): Hook for
targetm.asm_out.internal_label and ASM_OUTPUT_DEBUG_LABEL.
* i386.c: Don't call fprintf("%u") but fprint_ul() instead.
* defaults.h (ASM_OUTPUT_LABEL, ASM_OUTPUT_INTERNAL_LABEL):
Expanded the macros on multiple lines for readability.
(ASM_OUTPUT_LABELREF): Have two calls to fputs() instead of one to
asm_fprintf().
* dwarf2asm.c (dw2_assemble_integer, dw2_asm_output_data)
(dw2_asm_data_uleb128, dw2_asm_delta_uleb128)
(dw2_asm_delta_sleb128): Convert fprintf() calls to the new
faster functions.
* dwarf2out.c (dwarf2out_source_line): Convert fprintf() calls to
the new faster functions.
From-SVN: r181279
2011-10-13 Tom de Vries <tom@codesourcery.com>
* emit-rtl.c (set_mem_attributes_minus_bitpos): Set MEM_READONLY_P
for static const strings.
* varasm.c (build_constant_desc): Generate the memory location of the
constant using gen_const_mem.
From-SVN: r179896
2011-08-17 Richard Guenther <rguenther@suse.de>
* tree.h (convert_to_ptrofftype_loc): New function.
(convert_to_ptrofftype): Define.
* builtins.c (expand_builtin_bzero): Use size_type_node.
(fold_builtin_bzero): Likewise.
(std_gimplify_va_arg_expr): Build the BIT_AND_EXPR on the pointer.
* c-typeck.c (build_unary_op): Use convert_to_ptrofftype_loc.
* cgraphunit.c (thunk_adjust): Use fold_build_pointer_plus_loc.
(cgraph_redirect_edge_call_stmt_to_callee): Use size_int.
* expr.c (expand_expr_addr_expr_1): Use fold_build_pointer_plus.
* fold-const.c (build_range_check): Negate using the original
type.
(fold_unary_loc): Use fold_build_pointer_plus_loc.
* gimple-fold.c (gimple_adjust_this_by_delta): Use
convert_to_ptrofftype.
* gimplify.c (gimplify_self_mod_expr): Likewise.
* graphite-clast-to-gimple.c (clast_to_gcc_expression): Likewise.
(graphite_create_new_loop_guard): Likewise.
* graphite-sese-to-poly.c (my_long_long): Remove.
(scop_ivs_can_be_represented): Adjust.
* tree-cfg.c (verify_gimple_assign_unary): Use ptrofftype_p.
* tree-chrec.c (chrec_fold_plus_1): Use fold_build_pointer_plus.
* tree-loop-distribution.c (build_size_arg_loc): Use
size_type_node.
(generate_memset_zero): Simplify.
* tree-mudflap.c: Use fold_convert, not convert.
* tree-predcom.c (suitable_reference_p): Expand DR_OFFSET in
its own type.
(determine_offset): Likewise for DR_STEP.
(valid_initializer_p): Likewise.
* tree-profile.c (prepare_instrumented_value): Convert the pointer
to an integer type of same size.
* tree-scalar-evolution.c (interpret_rhs_expr): Do not refer
to sizetype without need.
* tree-ssa-address.c (tree_mem_ref_addr): Likewise.
* tree-ssa-loop-ivopts.c (find_bivs): Use convert_to_ptrofftype.
* tree-ssa-loop-manip.c (create_iv): Likewise.
(determine_exit_conditions): Adjust comment.
* tree-ssa-pre.c (create_expression_by_pieces): Use
convert_to_ptrofftype.
* tree-ssa-structalias.c (get_constraint_for_1): Likewise.
* varasm.c (array_size_for_constructor): Compute using double_ints.
From-SVN: r177828
* doc/tm.texi.in (TARGET_ASM_MERGEABLE_RODATA_PREFIX): Add hook.
* doc/tm.texi: Regenerate.
* target.def (mergeable_rodata_prefix: New defhookpod.
* varasm.c (mergeable_string_section, mergeable_constant_section):
Use it. Allocate name with alloca.
From-SVN: r176235
make TS_IDENTIFIER be a substructure of TS_TYPED
gcc/
* tree.h (struct tree_identifier): Inherit from tree_typed, not
tree_common.
(HT_IDENT_TO_GCC_IDENT): Adjust for said change.
* tree.c (initialize_tree_contains_struct): Mark TS_IDENTIFIER as
TS_BASE instead of TS_COMMON.
* varasm.c (assemble_name): Remove assert.
gcc/c-family/
* c-common.h (struct c_common_identifier): Inherit from tree_typed,
not tree_common.
From-SVN: r174286
* function.c (init_function_start): Call decide_function_section.
* varasm.c (decide_function_section): New function.
(assemble_start_function): When not using
flag_reorder_blocks_and_partition, don't compute in_cold_section_p
or first_function_block_is_cold.
* rtl.h (decide_function_section): Declare.
* gcc.target/arm/cold-lc.c: New test.
From-SVN: r173303
2011-05-02 Richard Guenther <rguenther@suse.de>
* varasm.c (output_constructor_regular_field): Compute zero-based
index with double-ints. Make sure to ICE instead of producing
wrong code.
* cgraph.c (cgraph_add_thunk): Do not create new tree nodes
in asserts. Properly use a signed type.
From-SVN: r173255
PR middle-end/47610
* varasm.c (default_section_type_flags): If decl is NULL,
and name is .data.rel.ro or .data.rel.ro.local, set SECTION_RELRO
bit.
* gcc.dg/pr47610.c: New test.
From-SVN: r169855
PR middle-end/31490
* output.h (SECTION_RELRO): Define.
(SECTION_MACH_DEP): Adjust.
(get_variable_section): New prototype.
* varpool.c (varpool_finalize_named_section_flags): New function.
(varpool_assemble_pending_decls): Call it.
* cgraph.h (varpool_finalize_named_section_flags): New prototype.
* cgraphunit.c (cgraph_output_in_order): Call
varpool_finalize_named_section_flags.
* varasm.c (get_section): Allow section flags conflicts between
relro and read-only sections if the section hasn't been declared yet.
Set SECTION_OVERRIDE after diagnosing section type conflict.
(get_variable_section): No longer static.
(default_section_type_flags): Use SECTION_WRITE | SECTION_RELRO for
readonly sections that need relocations.
(decl_readonly_section_1): New function.
(decl_readonly_section): Use it.
Revert:
2010-11-17 Dinar Temirbulatov <dtemirbulatov@gmail.com>
Steve Ellcey <sje@cup.hp.com>
PR middle-end/31490
* varasm.c (categorize_decl_for_section): Ignore reloc_rw_mask
if section attribute used.
* gcc.dg/pr31490-2.c: New test.
* gcc.dg/pr31490-3.c: New test.
* gcc.dg/pr31490-4.c: New test.
From-SVN: r169804
PR target/42894
* varasm.c (force_const_mem): Store copy of x in desc->constant
instead of x itself.
* expr.c (emit_move_insn): Add a copy of y_cst instead of y_cst
itself into REG_EQUAL note.
* gcc.dg/tls/pr42894.c: New test.
From-SVN: r169370
Richard Guenther