PR middle-end/19698
* function.h (struct function): New field `max_loop_depth'.
* cfgloop.c (establish_preds): Update maximum loop depth seen so far.
(flow_loops_find): Reset the max loop depth count before finding loops.
* flow.c (MAX_LIVENESS_ROUNDS): New constant.
(update_life_info_in_dirty_blocks): Remove 2002-05-28 workaround.
(calculate_global_regs_live): Make sure the loop will terminate
when the initial sets are not empty.
From-SVN: r95299
PR middle-end/16585
* cfgbuild.c (make_edges): Do not clear or set
current_function_has_computed_jump.
* function.h (struct function): Remove the has_computed_jump field.
(current_function_has_computed_jump): Do not define.
* sched-rgn.c (is_cfg_nonregular): Return true if a basic block ends
in a computed jump. Ignore current_function_has_computed_jump.
From-SVN: r94269
2004-10-01 Jakub Jelinek <jakub@redhat.com>
Revert
2004-09-29 Jakub Jelinek <jakub@redhat.com>
* tree.h (enum tree_index): Add TI_VA_LIST_GPR_COUNTER_FIELD
and TI_VA_LIST_FPR_COUNTER_FIELD.
(va_list_gpr_counter_field, va_list_fpr_counter_field): Define.
* tree-pass.h (pass_stdarg): Add.
* tree-optimize.c (init_tree_optimization_passes): Add pass_stdarg.
* tree-stdarg.c: New file.
* Makefile.in (OBJS-common): Add tree-stdarg.o.
(tree-stdarg.o): Add dependencies.
* function.h (struct function): Add va_list_gpr_size and
va_list_fpr_size fields.
* function.c (allocate_struct_function): Initialize them.
* config/i386/i386.c (ix86_build_builtin_va_list): Initialize
va_list_{g,f}pr_counter_field.
(ix86_setup_incoming_varargs): Don't do anything if reg_save
area will not be used. Only save registers that tree-stdarg.c
detected they need saving.
(ix86_va_start): Don't set up fields that won't be used.
* config/rs6000/rs6000.c (rs6000_build_builtin_va_list): Initialize
va_list_{g,f}pr_counter_field.
(setup_incoming_varargs): Don't do anything if reg_save
area will not be used. Only save registers that tree-stdarg.c
detected they need saving.
(rs6000_va_start): Don't set up fields that won't be used.
* gcc.dg/tree-ssa/stdarg-1.c: Removed.
* gcc.dg/tree-ssa/stdarg-2.c: Removed.
* gcc.dg/tree-ssa/stdarg-3.c: Removed.
* gcc.dg/tree-ssa/stdarg-4.c: Removed.
* gcc.dg/tree-ssa/stdarg-5.c: Removed.
From-SVN: r88383
* tree.h (enum tree_index): Add TI_VA_LIST_GPR_COUNTER_FIELD
and TI_VA_LIST_FPR_COUNTER_FIELD.
(va_list_gpr_counter_field, va_list_fpr_counter_field): Define.
* tree-pass.h (pass_stdarg): Add.
* tree-optimize.c (init_tree_optimization_passes): Add pass_stdarg.
* tree-stdarg.c: New file.
* Makefile.in (OBJS-common): Add tree-stdarg.o.
(tree-stdarg.o): Add dependencies.
* function.h (struct function): Add va_list_gpr_size and
va_list_fpr_size fields.
* function.c (allocate_struct_function): Initialize them.
* config/i386/i386.c (ix86_build_builtin_va_list): Initialize
va_list_{g,f}pr_counter_field.
(ix86_setup_incoming_varargs): Don't do anything if reg_save
area will not be used. Only save registers that tree-stdarg.c
detected they need saving.
(ix86_va_start): Don't set up fields that won't be used.
* config/rs6000/rs6000.c (rs6000_build_builtin_va_list): Initialize
va_list_{g,f}pr_counter_field.
(setup_incoming_varargs): Don't do anything if reg_save
area will not be used. Only save registers that tree-stdarg.c
detected they need saving.
(rs6000_va_start): Don't set up fields that won't be used.
* gcc.c-torture/execute/stdarg-1.c: New test.
* gcc.c-torture/execute/stdarg-2.c: New test.
* gcc.c-torture/execute/stdarg-3.c: New test.
* gcc.dg/tree-ssa/stdarg-1.c: New test.
* gcc.dg/tree-ssa/stdarg-2.c: New test.
* gcc.dg/tree-ssa/stdarg-3.c: New test.
* gcc.dg/tree-ssa/stdarg-4.c: New test.
* gcc.dg/tree-ssa/stdarg-5.c: New test.
From-SVN: r88279
2004-08-09 Paolo Bonzini <bonzini@gnu.org>
* Makefile.in (GTFILES): Remove stmt.c
(stmt.o): Do not depend on gt-stmt.h.
* emit-rtl.c (emit_line_note): Do not call
set_file_and_line_for_stmt.
* expr.c (expand_expr_real_1) <SWITCH_EXPR>: Let expand_case
do everything.
* function.c (free_after_parsing): Do not free STMT field.
(allocate_struct_function): Do not call init_stmt_for_function.
(assign_stack_temp_for_type): Do not accept values of keep
other than 0 or 1.
(init_temp_slots): Do not initialize removed variables.
* function.h (struct function): Remove STMT, X_TARGET_TEMP_SLOT_LEVEL
and X_VAR_TEMP_SLOT_LEVEL fields.
* rtl.h (set_file_and_line_for_stmt): Remove.
* stmt.c (struct nesting, ALLOC_NESTING, POPSTACK,
struct stmt_status, cond_stack, case_stack, nesting_stack,
nesting_depth, emit_locus, set_file_and_line_for_stmt,
same_case_target_p, init_stmt_for_function, emit_nop,
expand_start_cond, expand_start_elseif, expand_start_else,
expand_elseif, expand_end_cond): Remove.
(preserve_subexpressions_p): Remove references to CFUN->STMT.
(expand_start_case, expand_end_case_type): Remove, merge into...
(expand_case): ... this one, including other bits from
expand_expr_real_1. Inline same_case_target_p. Turn members
of CASE_STACK into local variables.
(emit_case_bit_tests): Inline same_case_target_p.
(add_case_node): Add HEAD argument, return new head of the list,
do not handle default label here.
* tree.h (expand_start_cond, expand_end_cond, expand_start_else,
expand_start_elseif, current_nesting_level, expand_start_case,
expand_end_case_type, expand_end_case, add_case_node,
init_stmt_for_function, expand_elseif): Remove prototypes.
(expand_case): Add prototype.
From-SVN: r85712
* function.c (free_after_compilation): Do not free computed_goto_common*.
* function.h (struct function): Kill computed_goto_common*.
* stmt.c (expand_computed_goto): Do not commonize the computed gotos.
* tree-cfg.c (disband_implicit_edges): Do not forward across the
commonized computed goto.
From-SVN: r83393
2004-06-18 Paolo Bonzini <bonzini@gnu.org>
* emit-rtl.c (unshare_all_rtl_1): New name of unshare_all_rtl.
(unshare_all_rtl_again): Call unshare_all_rtl_1.
(unshare_all_rtl): New.
* function.c (instantiate_virtual_regs): Remove parameters.
* function.h (instantiate_virtual_regs): Add prototype.
* rtl.h (unshare_all_rtl): Add prototype.
* tree.h (instantiate_virtual_regs, unshare_all_rtl): Remove
prototype.
* passes.c: Remove assertions on the parameters to
rest_of_handle_* functions. Remove the parameters to
the functions, replacing decl with current_function_decl
and insns with get_insns ().
From-SVN: r83341
gcc/ChangeLog:
2004-06-15 Paolo Bonzini <bonzini@gnu.org>
* function.h (struct function): Remove cannot_inline field.
(current_function_cannot_inline): Remove.
* passes.c (rest_of_compilation): Reset DECL_DEFER_OUTPUT.
Simplify conditionals to ignore warn_return_type.
* tree-optimize.c (tree_rest_of_compilation): Do not reset
DECL_DEFER_OUTPUT.
* objc/objc-act.c (build_module_descriptor, finish_method_def):
Do not set current_function_cannot_inline.
gcc/java/ChangeLog:
2004-06-15 Paolo Bonzini <bonzini@gnu.org>
* class.c (emit_register_classes): Make the function uninlinable,
do not set current_function_cannot_inline.
* resource.c (write_resource_constructor): Do not reset
flag_inline_functions around rest_of_compilation.
gcc/cp/ChangeLog:
2004-06-15 Paolo Bonzini <bonzini@gnu.org>
* cp-tree.h (struct language_function): Remove cannot_inline.
* decl.c (save_function_data): cannot_inline is no more.
(cxx_push_function_context): Likewise.
* decl2.c (start_objects, start_static_storage_duration_function):
Reset DECL_INLINE, set DECL_UNINLINABLE.
From-SVN: r83181
PR c++/15463
* loop-iv.c (iv_number_of_iterations): Use trunc_int_for_mode on
result of inverse.
PR rtl-optimization/15274
* loop-iv.c (determine_max_iter, shorten_into_mode,
iv_number_of_iterations): Handle constants correctly.
* rtl.h (get_mode_bounds): Declaration changed.
* stor-layout.c (get_mode_bounds): Return a constant suitable for
the target mode.
PR rtl-optimization/14692
* loop-unswitch.c (may_unswitch_on): Try folding the result.
(unswitch_single_loop): Work correctly when may_unswitch_on
returns a folded constant.
* loop-iv.c (implies_p): Handle A < B ==> A + 1 <= B.
* simplify-rtx.c (simplify_const_relational_operation): Optimize
comparisons with mode bounds.
* function.c (struct temp_slot): Add new field prev.
(free_after_compilation, init_temp_slots): Free new fields.
(cut_slot_from_list, insert_slot_to_list,
temp_slots_at_level, max_slot_level, move_slot_to_level,
make_slot_available): New functions.
(assign_stack_temp_for_type, combine_temp_slots,
find_temp_slot_from_address, preserve_temp_slots,
preserve_rtl_expr_result, free_temp_slots,
free_temps_for_rtl_expr, pop_temp_slots): Work with
the new structure of lists.
(mark_all_temps_used): Removed.
* function.h (struct function): Field x_temp_slots
replaced by x_used_temp_slots and x_avail_temp_slots.
(temp_slots): Replaced by ...
(used_temp_slots, avail_temp_slots): New.
* tree.h (mark_all_temps_used): Declaration removed.
* loop-iv.c (mark_single_set, get_biv_step_1, iv_analyze,
simplify_using_assignment): Take the expression out of
the expr_list wrapper.
* loop-iv.c (iv_number_of_iterations): Improve clasification of
infinite loops.
From-SVN: r82028
* gcc.dg/unused-6.c: New test.
PR c/15004
* function.c (do_warn_unused_parameter): Break out form ...
(expand_function_end): ... here; warn only when not using cgraphunit.
* function.h (do_warn_unused_parameter): Declare.
* cgraphunit.c: Include function.h.
(cgraph_finalize_function): Do unused parameter warning.
* Makefile.in (cgraphunit.o): Depend on function.h
From-SVN: r81260
* gengtype.c (create_option): New function.
* gengtype.h: Prototype it.
* gengtype-yacc.y (stringseq): New rule.
(option): Use create_option. Add new bare ID production. Use
stringseq, not STRING directly.
* alias.c, bitmap.c, c-decl.c, cgraph.h, cpplib.h, cselib.h
* dwarf2out.c, emit-rtl.c, function.h, lists.c, tree.h
* varray.h, config/alpha/alpha.c, cp/name-lookup.c, cp/parser.c
* f/com.c, java/builtins.c, java/expr.c, java/jcf.h, java/parse.h:
Use new shorter form of GTY markers.
* doc/gty.texi: Rewrite.
From-SVN: r80091
* calls.c (initialize_argument_information): Add CALL_FROM_THUNK_P
parameter. Use it instead of current_function_is_thunk.
* function.h (struct function): Update documentation for is_thunk.
* tree.h (CALL_FROM_THUNK_P): New macro.
* config/alpha/alpha.c (alpha_sa_mask): Do not check
no_new_pseudos when testing current_function_is_thunk.
* config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likeiwse.
* decl.c (cxx_push_function_context): Do not set
current_function_is_thunk.
* method.c (use_thunk): Set CALL_FROM_THUNK on the call to the
actual function.
From-SVN: r77244
PR c++/13376
* function.h (struct function): Kill `name' field.
(current_function_name): Make it an extern function.
* function.c (current_function_name): New function.
* graph.c: Update all uses of current_function_name.
* gcse.c: Likewise.
* config/alpha/alpha.c, config/avr/avr.c, config/c4x/c4x.c,
config/mips/mips.c, config/pdp11/pdp11.c: Likewise.
* config/ip2k/ip2k.c (function_prologue): Use MAIN_NAME_P
instead of a strcmp with "main".
From-SVN: r75784
PR middle-end/11151
* function.h (struct function): New field 'x_naked_return_label'.
* function.c (free_after_compilation): Set it to NULL.
(expand_function_end): Emit 'naked_return_label' if it exists.
* rtl.h (expand_naked_return): Declare.
* stmt.c (expand_naked_return): New function to generate a
jump to 'naked_return_label'.
* builtins.c (expand_builtin_return): Call expand_naked_return
instead of expand_null_return.
* config/sparc/sparc.md (untyped_return): Likewise.
From-SVN: r74312
2003-09-24 Ziemowit Laski <zlaski@apple.com>
MERGE OF objc-improvements-branch into MAINLINE.
See 'gcc/ChangeLog' and 'gcc/testsuite/ChangeLog' for
the gory details.
From-SVN: r71748
* function.h (struct function): Add rtl_inline_init, saved_for_inline.
* integrate.c (save_for_inline): Set saved_for_inline.
* c-semantics.c (genrtl_scope_stmt): Check it.
* toplev.c (wrapup_global_declarations): Check it.
(rest_of_handle_inlining): Set and check rtl_inline_init.
(rest_of_compilation): Remove out of date comment.
From-SVN: r70931
* coverage.h (coverage_counter_alloc): New function.
* function.h (struct function): Remove arc_profile flag.
* coverage.c (fn_ident): Remove.
(fn_b_ctrs, no_coverage): New.
(get_coverage_counts): Use current_function_funcdef_no.
(coverage_counter_alloc): New.
(coverage_counter_ref): Adjust.
(coverage_begin_output): Check no_coverage. Use
current_function_funcdef_no.
(coverage_end_function): Likewise.
(create_coverage): Set no_coverage. Set DECL_UNINLINEABLE rather
than clearing flag_inline_functions. Do not clear arc_profile
flag.
* function.c (prepare_function_start): Do not set arc_profile
flag.
* profile.c (instrument_edges): Return number of instrumented
edges. Use a for loop.
(branch_prob): Call coverage_counter_alloc. Make BB_TO_GCOV_INDEX
local to here and simplify. Use profile_arc_flag not arc_profile
flag.
(find_spanning_tree): Reformat.
* toplev.c (rest_of_compilation): Use profile_arc_flags and
flag_test_coverage rather than arc_profile flag.
From-SVN: r66695
* Makefile.in (calls.o, toplev.o alias.o): Depend on cgraph.h
* alias.c: Include cgraph.h
(mark_constant_function): Use cgraph_rtl_info.
* calls.c: Include cgraph.h
(flags_from_decl_or_type): Use cgraph_rtl_info to find pure and const
calls.
(expand_call): Use cgraph_rtl_info to set preferred stack boundary.
* cgraph.c (cgraph_rtl_info): New function.
* cgraph.h (cgraph_rtl_info): Declare
(cgraph_rtl_info): Likewise.
* function.h (struct function): Add recursive_call_emit.
* toplev.c: Include cgraph.h.
(rest_of_compilation): Set preferred_incoming_stack_boundary.
* gcc.dg/i386-local2.c: New.
From-SVN: r63868
* bb-reorder.c (find_traces_1_round): Don't connect easy to copy
successors with multiple predecessors.
(connect_traces): Try harder to copy traces of length 1.
* function.h (struct function): Add computed_goto_common_label,
computed_goto_common_reg.
* function.c (free_after_compilation): Zap them.
* stmt.c (expand_computed_goto): Use them to produce one
indirect branch per function.
From-SVN: r62944
* emit-rtl.c (init_emit): Use ggc_alloc for regno_reg_rtx.
* function.h (struct emit_status): Length of regno_pointer_align
and x_regno_reg_rtx as seen by gengtype is only x_reg_rtx_no,
not regno_pointer_align_length (i.e. length actually used, not
length as allocated)
* config/i386/i386.c (struct stack_local_entry): New.
(struct machine_function): Replace huge array with alist.
(assign_386_stack_local): Change to match.
From-SVN: r62891
* function.h (struct function): New field calls_constant_p.
(current_function_calls_constant_p): New macro for above.
* function.c (prepare_function_start): Initialize calls_eh_return
and calls_constant_p.
* builtins.c (expand_builtin_constant_p): Set calls_constant_p.
* toplev.c (rest_of_compilation): Only call purge_builtin_constant_p
when the current_function_calls_constant_p.
* integrate.c (expand_inline_function): Set calls_constant_p if
the function being inlined has calls_constant_p set.
From-SVN: r61786
