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* cse.c (cse_insn): Missing cast added.
* loop.c (loop_reg_used_before_p): Ditto.
* gcse.c (Pre_gcse, hoist_code): Ditto.
* varasm.c (decode_rtx_const): Ditto.
* except.c (push_ehqueue): Ditto.
* cccp.c (index0): Ditto.
* toplev.c (main): Useless `&' removed before function name.
From-SVN: r31229
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* builtins.c (expand_builtin_strlen): Initialize variable `icode'.
* calls.c (expand_call): Likewise for
`old_stack_arg_under_construction'.
* cpphash.c (macroexpand): Likewise for `args' and `rest_zero'.
* function.c (pad_to_arg_alignment): Likewise for `save_var' and
`save_constant'.
* gcc.c (execute): Likewise for `ut' and `st'.
* genattrtab.c (attr_rtx): Likewise for `rt_val'.
* genopinit.c (gen_insn): Likewise for `m1', `m2' and `op'.
* jump.c (jump_optimize_1): Likewise for `temp2'.
* local-alloc.c (block_alloc): Likewise for `r1'.
* loop.c (recombine_givs): Likewise for `life_start' and `life_end'.
* reg-stack.c (check_asm_stack_operands): Likewise for `clobber_reg'.
(subst_asm_stack_regs): Likewise for `clobber_reg' and `clobber_loc'.
* regmove.c (fixup_match_1): Likewise for `insn_const', `dst_node'
and `set2'.
* reload.c (find_reloads): Likewise for `goal_alternative_number'
and `goal_earlyclobber'.
* scan-decls.c (scan_decls): Likewise for `prev_id_end'.
* sdbout.c (sdbout_one_type): Likewise for `member_scl'.
* stupid.c (stupid_life_analysis): Likewise for `chain'.
* unroll.c (copy_loop_body): Likewise for `copy'.
* varasm.c (output_constructor): Likewise for `byte'.
ch:
* actions.c (update_else_range_for_int_const): Initialize
variables `lowval' and `highval'.
(update_else_range_for_range): Likewise for `low_range_val' and
`high_range_val'.
cp:
* class.c (warn_hidden): Initialize variable `fndecl'.
From-SVN: r31207
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* alias.c (nonlocal_reference_p): Add else for disjoint ifs.
* flow.c (find_use_as_address): Likewise.
* function.c (fixup_var_refs_1): Likewise.
(walk_fixup_memory_subreg, fixup_stack_1): Likewise.
* jump.c (invert_exp, redirect_exp): Likewise.
* loop.c (replace_call_address): Likewise.
(count_nonfixed_reads): Likewise.
* rtlanal.c (modified_between_p): Likewise.
(modified_in_p, volatile_insn_p, volatile_refs_p): Likewise.
(side_effects_p, replace_regs, jmp_uses_reg_or_mem): Likewise.
* unroll.c (remap_split_bivs): Likewise.
From-SVN: r31103
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* Makefile.in (toplev.o): Depend on loop.h.
* dwarfout.c: Include tm_p.h.
* emit-rtl.c (restore_emit_status): Mark parameter with
ATTRIBUTE_UNUSED.
* final.c (final_scan_insn): Likewise.
* flow.c (flow_nodes_print, flow_exits_print, flow_loops_cfg_dump,
flow_loop_nested_p, flow_loop_exits_find, flow_loop_nodes_find,
flow_depth_first_order_compute, flow_loop_pre_header_find,
flow_loop_tree_node_add, flow_loops_tree_build,
flow_loop_level_compute, flow_loops_level_compute,
flow_loop_outside_edge_p): Add prototypes.
(recompute_reg_usage): Mark parameters with ATTRIBUTE_UNUSED.
* ggc-callbacks.c (lang_mark_tree, lang_mark_false_label_stack):
Mark with ATTRIBUTE_NORETURN.
* hash.c (hash_newfunc): Mark parameter with ATTRIBUTE_UNUSED.
* local-alloc.c (no_conflict_p): Likewise.
* loop.c (insert_bct): Hide definitions of variables with hidden
usage.
(note_reg_stored): Mark parameter with ATTRIBUTE_UNUSED.
* regclass.c (memory_move_secondary_cost): Mark variable `mem'
with ATTRIBUTE_UNUSED.
(record_reg_classes): Mark parameter with ATTRIBUTE_UNUSED.
(reg_scan): Likewise.
* reload.c (find_reloads): Remove unused variables `changed'.
* reload1.c (reload_reg_class_lower): Don't unnecessarily cast
away const-ness.
(allocate_reload_reg): Mark parameter with ATTRIBUTE_UNUSED.
Remove unused variable `insn'.
* toplev.c: Include loop.h.
(report_file_and_line): Remove unnecessary prototype.
* tree.c (build_block): Mark parameter with ATTRIBUTE_UNUSED.
* unroll.c (biv_total_increment): Likewise.
From-SVN: r31085
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* loop.c (insert_loop_mem): Don't record MEMs from inside
EXPR_LISTs.
From-SVN: r30994
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From-SVN: r30973
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From-SVN: r30929
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from biv increments.
* loop.c (strength_reduce): Fix sign of giv lifetime calculation
for givs made from biv increments.
From-SVN: r30927
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From-SVN: r30914
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* loop.c (load_mems): Don't hoist written floating point mem
if -ffloat-store.
From-SVN: r30875
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From-SVN: r30858
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* loop.c (record_biv): Declare parameter as int.
* config/i386/i386-protos.h: Declare long_memory_operand.
From-SVN: r30851
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From-SVN: r30834
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* loop.h (struct induction): Add multi_insn_incr.
* loop.c (basic_induction_var): New multi_insn_incr argument.
Set it if we search back through previous insns for the biv.
(record_biv): New multi_insn_incr argument; fill in struct induction.
(strength_reduce): Discard an iv with multiple bivs, any of
which require multiple insns to increment.
From-SVN: r30820
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From-SVN: r30758
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From-SVN: r30671
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when generating debuggable code.
* loop.c (loop_optimize): Always find_loop_tree_blocks and
unroll_block_trees when generating debuggable code.
From-SVN: r30647
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From-SVN: r30638
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From-SVN: r30618
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Fix yet another gcc2 merge problem, this one broke linux kernel compiles
* loop.c (invariant_p, case MEM): Put MEM_VOLATILE_P check back.
From-SVN: r30496
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* cse.c (delete_trivially_dead_insns): Replace alloca with
xmalloc/xcalloc.
* except.c (update_rethrow_references): Likewise.
(init_eh_nesting_info): Likewise.
* function.c (identify_blocks): Likewise.
* gcse.c (dump_hash_table): Likewise.
* graph.c (print_rtl_graph_with_bb): Likewise.
* loop.c (combine_movables): Likewise.
(move_movables): Likewise.
(count_loop_regs_set): Likewise.
(strength_reduce): Likewise.
* profile.c (compute_branch_probabilities): New function, split
out from ...
(branch_prob): Here. Replace alloca with xmalloc/xcalloc.
* regclass.c (regclass): Likewise.
* regmove.c (regmove_optimize): Likewise.
* toplev.c (compile_file): Likewise.
(main): Don't mess with the stack rlimit.
From-SVN: r30445
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* bitmap.h (BITMAP_XMALLOC): New macro.
* flow.c (CLEAN_ALLOCA): Remove.
(delete_unreachable_blocks): Use xmalloc/xcalloc instead of alloca.
(life_analysis): Likewise.
(update_life_info): Don't use CLEAN_ALLOCA.
(life_analysis_1): Use xmalloc/xcalloc instead of alloca.
(calculate_global_regs_live): Likewise.
(print_rtl_with_bb): Likewise.
(verify_flow_info): Likewise.
* global.c (global_alloc): Likewise.
(global_conflicts): Likewise.
* integrate.c (save_for_inline_nocopy): Likewise.
(expand_inline_function): Likewise.
* jump.c (jump_optimize_1): Likewise.
(duplicate_loop_exit_test): Likewise.
(thread_jumps): Likewise.
* loop.c (loop_optimize): Likewise.
(combine_givs): Likewise.
(recombine_givs): Likewise.
* reorg.c (dbr_schedule): Likewise.
* unroll.c (unroll_loop): Likewise.
From-SVN: r30333
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Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
* gcov.c (DIR_SEPARATOR): Provide default.
(output_data): Add test for MS-DOS format absolute filename.
(fancy_abort): Correct program name.
(open_files): Open all files in binary mode.
* libgcc2.c (__bb_exit_func): Likewise.
* profile.c (init_branch_prob): Specify binary when opening files.
* flags.h (flag_unwind_tables): New decl.
* toplev.c (flag_unwind_table): New definition.
(f_options): Add -funwind-tables.
(decode_g_option): Clarify warning when unknown -g option is given.
(rest_of_compilation): If inside an inlined external function,
pretend we are just being declared.
* dwarf2out.c (dwarf2out_do_frame): Check -funwind_tables.
(dwarf2out_frame_finish): Likewise.
Fri Oct 29 06:32:44 1999 Geoffrey Keating <geoffk@cygnus.com>
* flow.c (propagate_block): When the last reference to a label
before an ADDR_VEC is deleted because the reference is a dead
store, delete the ADDR_VEC.
Fri Oct 29 07:44:26 1999 Vasco Pedro <vp@di.fct.unl.pt>
* fold-const.c (merge_ranges): In not in0, but in1, handle
upper bounds equal like subset case.
Thu Oct 28 19:22:24 1999 Douglas Rupp <rupp@gnat.com>
* dbxout.c (dbxout_parms): Generate a second stabs line for parameters
passed in a register but moved to the stack.
Thu Oct 28 19:12:57 1999 Sam Tardieu <tardieu@act-europe.fr>
* gcc.c (pass_exit_codes, greatest_status): New variables.
(struct option_map): Add entry for "--pass-exit-codes".
(execute): Update greatest_status if error.
(display_help): Add documentation for -pass-exit-codes.
(process_command): Handle -pass-exit-codes.
(main): Look at pass_exit_codes and greatest_status on call to exit.
Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
* reload.c (find_reloads): Refine test for no input reload
case to not includes reloads emitted after insn.
* function.c (find_temp_slots_from_address): Handle sum involving
a register that points to a temp slot.
(update_temp_slot_address): Make recursive call if both old and
new are PLUS with a common operand.
* calls.c (expand_call): Mark temp slot for result as having
address taken.
* rtlanal.c (reg_referenced_p, case IF_THEN_ELSE): New case.
* gcc.c (process_command): Add standard_exec_prefix with "GCC"
component as well as "BINUTILS".
* integrate.h (copy_rtx_and_substitute): New arg, FOR_LHS.
* integrate.c (copy_rtx_and_substitute): Likewise.
(expand_inline_function, integrate_parm_decls, integrate_decl_tree):
All callers changed.
* unroll.c (inital_reg_note_copy, copy_loop_body): Likewise.
* dbxout.c (dbxout_type, case INTEGER_TYPE_NODE): If can use
gdb extensions, write size of type; also be more consistent
in using references when this is a subtype.
* pa.md (extv, extzv, insv): Use define_expand to reject constant
that is out of range.
* loop.c (unknown_constant_address_altered): New variable.
(prescan_loop): Initialize it.
(note_addr_stored): Set it for RTX_UNCHANGING_P MEM.
(invariant_p, case MEM): Remove handling for volatile and readony;
check new variable if readonly.
(check_dbra_loop): Chdeck unknown_constant_address_altered.
* cse.c (canon_hash, case MEM): Do not record if BLKmode.
(addr_affects_sp_p): Removed from note_mem_written and only
define #ifdef AUTO_INC_DEC.
* alpha.c (input_operand, case ADDRESSOF): Treat as REG.
* regclass.c (record_reg_classes): Properly handle register move
directions.
* varasm.c (initializer_constant_valid_p, case MINUS_EXPR):
Don't think valid if both operands are invalid.
(struct constant_descriptor): New field RTL.
(mark_const_hash_entry): Mark it.
(record_constant{,_rtx}): Initialize it.
(output_constant_def): Allocate RTL in permanent obstack and
save in table.
({record,compare}_constant_1): Modes must match for
CONSTRUCTOR of ARRAY_TYPE.
* c-common.h (initializer_constant_valid_p): Delete decl from here.
* output.h (initializer_constant_valid_p): Move decl to here.
* c-common.c (initializer_constant_valid_p): Delete function from here.
* varasm.c (initializer_constant_valid_p): Move function to here.
* tree.h (STRIP_SIGN_NOPS): New macro.
* fold-const.c (optimize_minmax_comparison): New function.
(invert_truthvalue, case WITH_RECORD_EXPR): New case.
(fold): Use STRIP_SIGN_NOPS instead of STRIP_TYPE_NOPS.
(fold, case EQ_EXPR): Call optimize_minmax_comparison and add
cases with ABS_EXPR, NEGATE_EXPR, PLUS_EXPR, MINUS_EXPR, and
widening conversions.
(fold, case LE_EXPR): Rework changing unsigned to signed comparisons
to look at size of mode, not precision of type; also add missing cases.
(optimize_bit_field_compare, decode_field_reference): Don't try to
optimize COMPONENT_REF of a PLACEHOLDER_EXPR.
* dwarf2out.c (ctype.h): Include.
(dwarf2out_set_demangle_name_func): New function.
(size_of_line_info): Deleted.
(output_line_info): Compute size of line info table from difference
of labels.
(base_type_die, add_name_attribute): Call demangle function, if any.
(field_byte_offset): Use bits per word for variable length fields.
(gen_array_type_die): Add array name.
(gen_subprogram_die): Ignore DECL_INLINE if -fno-inline.
(dwarf2out_add_library_unit_info): New function.
* explow.c (set_stack_check_libfunc): New function.
(stack_check_libfunc): New static variable.
(probe_stack_range): Allow front-end to set up a libfunc to call.
* combine.c (simplify_comparison): When making comparison in wider
mode, check for having commuted an AND and a SUBREG.
(contains_muldiv): New function.
(try_combine): Call it when dividing a PARALLEL.
(simplify_rtx, case TRUNCATE): Don't remove for umulsi3_highpart.
(simplify_comparison, case ASHIFTRT): Recognize sign-extension of
a PLUS.
(record_value_for_reg): If TEM is a binary operation with two CLOBBERs,
use one of the CLOBBERs instead.
(if_then_else_cond): If comparing against zero, just return thing
being compared.
* optabs.c (expand_abs): If machine has MAX, ABS (x) is MAX (x, -x).
Don't generate shifts and subtract if have conditional arithmetic.
* rtl.h (delete_barrier): New declaration.
* jump.c (jump_optimize): Set up to handle conditional call.
In conditional arithmetic case, handle CALL_INSN followed by a BARRIER.
(delete_barrier): New function.
* rtl.c (read_rtx): Call fatal if bad RTL code; check for bad mode.
* recog.c (nonmemory_operand): Accept ADDRESSOF.
* tree.c (build_type_attribute_variant): Push to obstack of
ttype around type_hash_canon call.
* expr.c (placeholder_list): Move decl to file scope.
(expand_expr): Don't force access to volatile just because its
address is taken.
If ignoring reference operations, just expand the operands.
(expand_expr, case COMPONENT_REF): Propagate
EXPAND_CONST_ADDRESS to recursive call when expanding inner.
Refine test for using bitfield operations vs pointer punning.
(expand_expr, case CONVERT_EXPR): If converting to
BLKmode UNION_TYPE from BLKmode, just return inner object.
Use proper mode in store_field call.
Properly set sizes of object to store and total size in store_field
call for convert to union.
(expand_expr, case ARRAY_REF): If OP0 is in a register, put it in
memory (like for ADDR_EXPR). Also, don't put constant in register if
we'll want it in memory.
(readonly_fields_p): New function.
(expand_expr, case INDIRECT_REF): Call it if LHS.
(expand_assignment): Handle a RESULT_DECL where
DECL_RTL is a PARALLEL.
(do_jump, case WITH_RECORD_EXPR): New case.
(get_inner_reference): Always go inside a CONVERT_EXPR
and NOP_EXPR if both modes are the same.
(store_field): Use bitfield operations if size of bitsize is not same
as size of RHS's type.
Check for bitpos not a multiple of alignment in BLKmode case.
Do block move in largest possible alignment.
(store_constructor): Set BITSIZE to -1 for variable size and properly
in case of array of BLKmode.
(expand_expr_unaligned): New function.
(do_compare_and_jump): Call it.
* mips/iris5.h (SWITCHES_NEED_SPACES): New macro.
* collect2.c (main): Only allow -ofoo if SWITCHES_NEED_SPACES
does not include 'o'.
* function.c (instantiate_virtual_regs_1, case SET): Handle case where
both SET_DEST and SET_SRC reference a virtual register.
(gen_mem_addressof): Copy RTX_UNCHANGING_P from new REG to old REG.
* integrate.c (expand_inline_function): Handle case of setting
virtual stack vars register (from built in setjmp); when parameter
lives in memory, expand virtual_{stack_vars,incoming_args}_rtx early.
(subst_constant): Add new parm, MEMONLY.
(expand_inline_function, integrate_parm_decls): Pass new parm.
(integrate_decl_tree): Likewise.
(copy_rtx_and_substitute, case MEM): Do copy RTX_UNCHANGING_P.
(try_constants): Call subst_constants twice, with MEMONLY 0 and 1.
(copy_rtx_and_substitute, case SET): Add explicit calls to
copy_rtx_and_substitute for both sides.
* stmt.c (expand_asm_operands): Don't use TREE_STRING_LENGTH for
constraints.
(pushcase{,_range}): Convert to NOMINAL_TYPE after checking for
within INDEX_TYPE, instead of before.
(fixup_gotos): Use f->target_rtl, not the next insn,
since latter may be from a later fixup.
(expand_value_return): Correctly convert VAL when promoting function
return; support RETURN_REG being a PARALLEL.
(expand_return): When checking for result in regs and having
cleanup, consider PARALLEL in DECL_RTL as being in regs.
From-SVN: r30299
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* rtl.h (note_stores): Add additional paramter.
* rtlanal.c (reg_set_p_1): Take additional paramter.
(reg_set_last_1): Likewise.
(reg_set_p): Adjust call to note_stores.
(reg_set_last): Likewise.
(note_stores): Pass data parameter to worker function.
* alias.c (record_set): Take additional parameter.
(init_alias_analysis): Pass it.
* caller-save.c (mark_set_regs): Take additional parameter.
(save_call_clobbered_regs): Pass NULL to note_stores.
* combine.c (set_nonzero_bits_and_sign_copies): Take additional
parameter.
(record_dead_and_set_regs_1): Likewise.
(reg_dead_at_p_1): Likewise.
(combine_instructions): Adjust calls to note_stores.
(try_combine): Likewise.
(record_dead_insn): Remove.
(record_dead_and_set_regs): Adjust calls to note_stores.
(reg_dead_at_p): Likewise.
* cse.c (invalidate_skipped_set): Take additional parameter.
(cse_check_loop_start): Likewise.
(cse_check_loop_start_value): Remove.
(cse_set_around_loop): Adjust calls to note_stores.
* flow.c (notice_stack_pointer_modification): Take additional
parameter. Remove duplicate declaration.
(record_volatile_insns): Adjust calls to note_stores.
* gcse.c (record_set_info): Take additional parameter.
(record_last_set_info): Likewise.
(invalidate_nonnull_info): Likewise.
(record_set_insn): Remove.
(compute_sets): Adjust calls to note_stores.
(last_set_insn): Remove.
(compute_hash_table): Adjust calls to note_stores.
(insert_insn_end_bb): Likewise.
(delete_null_pointer_checks): Likewise.
* global.c (mark_reg_store): Take additional parameter.
(mark_reg_clobber): Likewise.
(reg_becomes_live): Likewise.
(global_conflicts): Adjust calls to note_stores.
(build_insn_chain): Likewise.
* integrate.c (note_modified_parmregs): Take additional parameter.
(mark_stores): Likewise. Make it static.
(save_for_inline_nocopy): Adjust calls to note_stores.
(try_constants): Likewise.
* integrate.h (mark_stores): Remove declaration.
* jump.c (mark_modified_reg): Take additional parameter.
(thread_jumps): Adjust calls to note_stores.
* local-alloc.c (validate_equiv_mem_from_store): Take additional
parameter.
(no_equiv): Likewise.
(reg_is_set): Likewise.
(validate_equiv_mem): Adjust calls to note_stores.
(update_equiv_regs): Likewise.
(block_alloc): Likewise.
* loop.c (note_set_pseudo_multiple_uses_retval): Remove.
(note_addr_stored): Take additional parameter.
(note_set_pseudo_multiple_uses): Likewise.
(record_initial): Likewise.
(prescan_loop): Adjust calls to note_stores.
(strength_reduce): Likewise.
(check_dbra_loop): Likewise.
* regmove.c (flags_set_1): Take additional paramter.
(mark_flags_life_zones): Adjust calls to note_stores.
* reload1.c (mark_not_eliminable): Take additional parameter.
(forget_old_reloads_1): Likewise.
(reload_cse_invalidate_rtx): Likewise.
(reload_cse_check_clobber): Likewise.
(reload_combine_note_store): Likewise.
(move2add_note_store): Likewise.
(reload): Adjust calls to note_stores.
(reload_as_needed): Likewise.
(emit_reload_insns): Likewise.
(reload_cse_regs_1): Likewise.
(reload_cse_record_set): Adjust calls to reload_cse_invalidate_rtx.
(reload_combine): Adjust calls to note_stores.
* resource.c (update_live_status): Take additional paramter.
(mark_target_live_regs): Adjust calls to note_stores.
* stupid.c (find_clobbered_regs): Take additional parameter.
(stupid_life_analysis): Adjust calls to note_stores.
From-SVN: r30221
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paradoxical subreg is probably...
* loop.c (basic_induction_var): A non-integer variable which is
being set by a paradoxical subreg is probably not a biv.
From-SVN: r30181
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* loop.c (note_set_pseudo_multiple_uses_retval): New variable.
(note_set_pseudo_multiple_uses): New function.
(check_dbra_loop): Use not_set_pseudo_multiple_uses to determine
if a pseudo set in the loop exit is used elsewhere.
From-SVN: r30155
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From-SVN: r29887
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for `int_handler' and `quit_handler'.
* collect2.c (scan_prog_file, scan_libraries): Prototype function
pointers and casts for `int_handler' and `quit_handler'.
* flow.c (verify_flow_info, split_hard_reg_notes,
find_insn_with_note, sets_reg_or_subreg_1, prepend_reg_notes,
remove_edge, remove_fake_successors): Add static prototypes.
(verify_flow_info): Wrap with macro ENABLE_CHECKING.
(mark_set_1): Initialize variable `regno'.
(unlink_insn_chain): Likewise for variable `curr'.
(remove_fake_edges): Remove unused variables `e', `tmp' and `last'.
* loop.c (strength_reduce): Initialize variable
`unrolled_insn_copies'.
(cmp_combine_givs_stats, cmp_recombine_givs_stats): Add static
prototypes. Change these functions to take const PTR parameters
to avoid prototype conflict when used as the comparson argument
for qsort.
(check_dbra_loop): Initialize variable `comparison_val'.
* reload.c (debug_reload_to_stream, debug_reload): Add prototypes.
(get_secondary_mem): Mark parameter `x' with ATTRIBUTE_UNUSED.
(find_valid_class): Initialize variable `best_class'.
(find_reloads): Call memcpy, not bcopy.
* reload1.c (gen_mode_int, dump_needs): Add prototypes.
(hard_reg_use_compare): Don't needlessly cast away const.
(reload_reg_class_lower): Likewise.
(choose_reload_regs): Initialize variable `regno'.
From-SVN: r29840
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use this)
From-SVN: r29514
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* rtl.h (insns_safe_to_move_p): New function.
* loop.c (find_and_verify_loops): Use it.
* rtlanal.c (insns_safe_to_move_p): Define it.
From-SVN: r29509
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is after the insn from BL.
* loop.c (strength_reduce): Don't call reg_used_between_p if the
insn from BL2 is after the insn from BL.
From-SVN: r29393
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From-SVN: r29392
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From-SVN: r29358
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* loop.c (basic_induction_var): Typo NULL_RTX -> NULL.
(strength_reduce): Release the varrays from the no-bivs early exit.
* reload1.c (order_regs_for_reload): Init hard_reg_n_uses before
the loop over the registers.
* tree.c (save_tree_status): Set maybepermanent_firstobj NULL
for a new obstack.
(restore_tree_status): Check that instead when freeing the obstack.
From-SVN: r29270
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* combine.c (SUBST): Break out to a real function do_SUBST.
(SUBST_INT): Likewise.
* gcse.c (free_pre_mem): Free `temp_bitmap'.
(pre_insert): Free `inserted'.
* loop.c (basic_induction_var): Always set `location'.
* function.c (expand_function_end): Add initial_trampoline as a root.
* rtl.h (init_varasm_once): Declare.
* toplev.c (compile_file): Call it.
* ggc-simple.c (ggc_mark_string_ptr): New.
(ggc_add_string_root): New.
(ggc_collect): Disable collection avoidance temporarily.
* ggc.h (ggc_add_string_root): Declare.
* except.c (create_rethrow_ref): Use ggc_alloc_string.
* optabs.c (init_libfuncs): Likewise.
* varasm.c (named_section): Use ggc_alloc_string.
(make_function_rtl): Likewise.
(make_decl_rtl): Likewise.
(assemble_static_space): Likewise.
(assemble_trampoline_template): Likewise.
(output_constant_def): Likewise.
(force_const_mem): Likewise.
(mark_const_hash_entry): New.
(mark_pool_sym_hash_table): New.
(mark_varasm_state): Use it.
(init_varasm_once): New.
* expr.h (init_one_libfunc): Declare.
* optabs.c (init_one_libfunc): New.
(init_optabs): Use it.
* config/gofast.h: Likewise.
* config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Likewise.
* config/sparc/sparc.h (INIT_TARGET_OPTABS): Likewise.
From-SVN: r29226
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From-SVN: r29150
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accesses if --enable-checking.
1999-08-31 12:20 -0700 Zack Weinberg <zack@bitmover.com>
* rtl.h (RTL_CHECK1, RTL_CHECK2): New macros which type- and
bounds- check RTL accesses if --enable-checking.
(RTVEC_ELT): Bounds check if --enable-checking.
(XWINT, XINT, XSTR, XEXP, XVEC, XMODE, XBITMAP, XTREE,
XBBDEF): Use RTL_CHECK1/RTL_CHECK2 as appropriate.
(XVECEXP, XVECLEN): Define in terms of XVEC, RTVEC_ELT, and
GET_NUM_ELEM.
(X0WINT, X0INT, X0STR, X0EXP, X0VEC, X0MODE, X0BITMAP, X0TREE,
X0BBDEF, X0ADVFLAGS): New macros for accessing '0' slots of RTXes.
(ADDR_DIFF_VEC_FLAGS): Use X0ADVFLAGS.
(NOTE_SOURCE_FILE): Use X0STR.
(NOTE_BLOCK_NUMBER, NOTE_EH_HANDLER, LABEL_NUSES,
MEM_ALIAS_SET): Use X0INT.
(NOTE_RANGE_INFO, NOTE_LIVE_INFO, NOTE_BASIC_BLOCK,
JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF, CONTAINING_INSN):
Use X0EXP.
* real.h (CONST_DOUBLE_CHAIN): Use X0EXP.
* rtl.c (copy_rtx, copy_most_rtx): Copy '0' slots with X0WINT.
(rtl_check_failed_bounds, rtl_check_failed_type1,
rtl_check_failed_type2, rtvec_check_failed_bounds): New
functions.
(fancy_abort): Fix comment.
* cse.c (canon_hash): Read CONST_DOUBLE data slots with XWINT.
(cse_insn): Decrement LABEL_NUSES for jump target before
deleting jump insn.
* emit-rtl.c (gen_rtx_CONST_DOUBLE): Use X0EXP for slot 1.
* final.c (alter_subreg): Compute regno before changing x to
REG; set REGNO(x) after changing it.
* flow.c (count_basic_blocks): Use XWINT to inspect EH_REGION
notes containing CONST_INTs.
(delete_eh_regions): Use NOTE_EH_HANDLER.
* function.c (put_reg_into_stack): Make reg a MEM before
initializing it.
(fixup_var_refs_insns): Save REG_NOTES (insn) in case we
delete insn.
(gen_mem_addressof): Make reg a MEM before initializing it.
* integrate.c (copy_rtx_and_substitute): Copy '0' slots with
X0WINT.
* local-alloc.c (update_equiv_regs): Zap REG_NOTES before
deleting an insn, not after.
(block_alloc): Only look at PATTERN(insn) if we have to, and
only if it's format class 'i'.
* loop.c (check_dbra_loop): Check bl->biv->add_val is a
CONST_INT before using its INTVAL.
* print-rtl.c (print_rtx): Use X0STR.
* regmove.c (fixup_match_1): Don't look at PATTERN of
non-class-'i' insn chain elements.
* reload.c (loc_mentioned_in_p): Take address of
in->fld[1].rtx directly.
* reload1.c (reload): Change reg to a MEM before initializing
it.
* varasm.c (mark_constant_pool): Skip CONST_DOUBLES, which
have no names.
* config/i386/i386.md (decrement_and_branch_if_zero): Fix typo.
From-SVN: r29008
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* loop.c (this_loop_info): New variable.
(loop_has_call, loop_has_volatile, loop_has_tablejump,
loop_continue, loops_enclosed): Replace with fields in this_loop_info.
All uses updated.
(prescan_loop, strength_reduce): New argument loop_info. All callers
updated.
(scan_loop): New variable loop_info, initialise to address of
this_loop_info.
(prescan_loop): Set loop_info->vtop if find NOTE_INSN_LOOP_VTOP.
Delete variable loop_has_multiple_exit targets and replace with
field in this_loop_info.
(find_and_verify_loops): Rename this_loop to this_loop_num.
(strength_reduce): Delete loop_iteration_info. Replace variable
loop_info with function argument of same name.
(insert_bct): Rework test for loop being completely unrolled.
* loop.h (struct loop_info): New fields num, loops_enclosed,
has_call, has_volatile, has_tablejump, has_multiple_exit_targets,
has_indirect_jump, and cont. Redefine use of unroll_number.
(loop_unroll_number): Delete.
* unroll.c (unroll_loop): Store loop unroll count in unroll_number
field of loop_info.
(loop_iterations): Delete variable vtop and instead use
loop_info->vtop computed in prescan_loop.
From-SVN: r28961
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are constant and N is an...
* loop.c (express_from): Try harder to unify (* c N) and (* c M)
where N and M are constant and N is an integer multiple of M.
From-SVN: r28868
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* calls.c (emit_call_1): Mark parameter `stack_size' with
ATTRIBUTE_UNUSED.
(expand_call): Initialize variable `insn'.
(emit_library_call): Likewise for variable `high_to_save'.
(emit_library_call_value): Likewise.
(store_one_arg): Likewise for variables `lower_bound' and
`upper_bound'.
* combine.c (try_combine): Likewise for variables `i2_code_number'
and `other_code_number'.
(find_split_point): Likewise for variables `pos', `unsignedp' and
`inner'.
(simplify_if_then_else): Likewise for variables `op' and `c1'.
(simplify_and_const_int): Remove unused variable `width'.
(merge_outer_ops): Likewise.
* cse.c (simplify_binary_operation): Cast an INTVAL() to `unsigned
HOST_WIDE_INT' when comparing against one.
(simplify_relational_operation): Likewise.
(cse_insn): Initialize variables `src_eqv_volatile',
`src_eqv_in_memory', `src_eqv_in_struct', `src_eqv_hash' and `sets'.
* final.c (init_final): Constify parameter `filename'.
(final_start_function): Mark parameter `optimize' with
ATTRIBUTE_UNUSED.
(profile_function): Likewise for parameters `first' and `optimize'.
(output_source_line): Likewise for parameter `file'.
* integrate.c (subst_constants): Cast a value to `size_t' when
comparing against one.
(mark_stores): Initialize variable `mode'. Cast a value to
`size_t' when comparing against one.
* integrate.h (MAYBE_EXTEND_CONST_EQUIV_VARRAY): Likewise.
* loop.c (move_movables): Initialize variable `first'.
(strength_reduce): Likewise for variable `increment'.
(check_dbra_loop): Likewise for variable `comparison_val'. Cast a
value to `size_t' when comparing against one.
(load_mems): Initialize variable `end_label'.
* output.h (init_final): Constify parameter.
* reload.c (decompose): Initialize variable `base'.
* reload1.c (reload): Likewise for variable `is_scalar'.
(spill_hard_reg): Mark parameter `dumpfile' with ATTRIBUTE_UNUSED.
(choose_reload_regs): Initialize variable `mode'.
(emit_reload_insns): Likewise for variable `store_insn'.
(reload_cse_noop_set_p): Mark parameter `insn' with
ATTRIBUTE_UNUSED.
(reload_combine): Initialize variable `set'.
* unroll.c (unroll_loop): Likewise for variable `local_label'.
(copy_loop_body): Cast a value to `size_t' when comparing against
one.
* varasm.c (assemble_variable): Initialize variable `size_tree'.
(const_hash): Add an `else abort()' in an if-else-if-else sequence.
(remove_from_pending_weak_list): Mark parameter `name' with
ATTRIBUTE_UNUSED.
From-SVN: r28860
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From-SVN: r28848
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size is smaller than the rolled...
* loop.c (strength_reduce): Automatically unroll loops if the
unrolled loop size is smaller than the rolled loop size.
Co-Authored-By: Jeffrey A Law <law@cygnus.com>
From-SVN: r28841
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comment that code should be...
* loop.c (insert_bct): Replace use of sdiv_optab with asr_optab
and delete comment that code should be rewritten.
From-SVN: r28839
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* rtl.h (rtx_format): Constify a char*.
* rtl.c (rtx_format): Likewise.
(copy_rtx, copy_most_rtx, read_rtx): Likewise.
(init_rtl): Use accessor macro, not `rtx_format'.
* alias.c (rtx_equal_for_memref_p, find_symbolic_term): Constify a
char*.
* caller-save.c (mark_referenced_regs): Likewise.
* combine.c (subst, make_compound_operation, known_cond,
gen_rtx_combine, update_table_tick, get_last_value_validate,
use_crosses_set_p, mark_used_regs_combine, move_deaths): Likewise.
* cse.c (rtx_cost, mention_regs, canon_hash, exp_equiv_p,
refers_to_p, canon_reg, fold_rtx, cse_process_notes,
count_reg_usage): Likewise.
* emit-rtl.c (gen_rtx, copy_rtx_if_shared, reset_used_flags):
Likewise.
* final.c (leaf_renumber_regs_insn): Likewise.
* flow.c (mark_used_regs, find_use_as_address, dump_flow_info,
dump_edge_info, count_reg_references): Likewise.
* function.c (fixup_var_refs_1, walk_fixup_memory_subreg,
fixup_stack_1, purge_addressof_1, instantiate_virtual_regs_1):
Likewise.
* gcse.c (oprs_unchanged_p, hash_expr_1, expr_equiv_p,
oprs_not_set_p, expr_killed_p, compute_transp, find_used_regs,
add_label_notes): Likewise.
* genattrtab.c (attr_rtx, attr_copy_rtx, encode_units_mask,
clear_struct_flag, count_sub_rtxs, count_alternatives,
compares_alternatives_p, contained_in_p, walk_attr_value,
write_expr_attr_cache): Likewise.
* genconfig.c (walk_insn_part): Likewise.
* genemit.c (max_operand_1, gen_exp): Likewise.
* genextract.c (walk_rtx): Likewise.
* genflags.c (num_operands): Likewise.
* genoutput.c (scan_operands): Likewise.
* genpeep.c (match_rtx): Likewise.
* genrecog.c (add_to_sequence): Likewise.
* haifa-sched.c (may_trap_exp, sched_analyze_2, attach_deaths):
Likewise.
* integrate.c (save_constants, copy_for_inline,
copy_rtx_and_substitute, subst_constants, restore_constants):
Likewise.
* jump.c (mark_jump_label, invert_exp, redirect_exp,
rtx_renumbered_equal_p, rtx_equal_for_thread_p): Likewise.
* local-alloc.c (contains_replace_regs, memref_referenced_p):
Likewise.
* loop.c (record_excess_regs, rtx_equal_for_loop_p,
add_label_notes, replace_call_address, count_nonfixed_reads,
invariant_p, find_single_use_in_loop, find_mem_givs,
find_life_end, maybe_eliminate_biv_1, update_reg_last_use):
Likewise.
* print-rtl.c (reg_names, print_rtx): Likewise.
* recog.c (validate_replace_rtx_1, find_single_use_1): Likewise.
* reg-stack.c (stack_regs_mentioned_p, record_label_references,
record_reg_life_pat, swap_rtx_condition, goto_block_pat,
print_blocks): Likewise.
* regclass.c (fix_register, record_address_regs,
reg_scan_mark_refs): Likewise.
* regmove.c (stable_but_for_p): Likewise.
* reload.c (loc_mentioned_in_p, operands_match_p,
find_reloads_toplevsubst_reg_equivs, find_reloads_address_1,
copy_replacements, refers_to_regno_for_reload_p,
refers_to_mem_for_reload_p, find_inc_amount, regno_clobbered_p,
reload_when_needed_name, reg_class_names, debug_reload_to_stream):
Likewise.
* reload1.c (eliminate_regs, scan_paradoxical_subregs,
delete_address_reloads_1, count_occurrences,
reload_cse_mem_conflict_p, reload_combine_note_use,
add_auto_inc_notes): Likewise.
* resource.c (mark_referenced_resources, mark_set_resources):
Likewise.
* rtlanal.c (rtx_unstable_p, rtx_varies_p, rtx_addr_varies_p,
reg_mentioned_p, regs_set_between_p, modified_between_p,
modified_in_p, refers_to_regno_p, reg_overlap_mentioned_p,
rtx_equal_p, volatile_insn_p, volatile_refs_p, side_effects_p,
may_trap_p, inequality_comparisons_p, replace_rtx, replace_regs,
jmp_uses_reg_or_mem, for_each_rtx, regno_use_in): Likewise.
* sched.c (sched_analyze_2, attach_deaths): Likewise.
* stupid.c (stupid_mark_refs): Likewise.
* unroll.c (remap_split_bivs): Likewise.
* varasm.c (mark_constants): Likewise.
* a29k/a29k.c (uses_local_reg_p): Likewise.
* alpha/alpha.c (summarize_insn): Likewise.
* arm/arm.c (symbol_mentioned_p, label_mentioned_p,
eliminate_lr2ip): Likewise.
* arm/thumb.c (symbol_mentioned_p, label_mentioned_p): Likewise.
* i386/i386.c (symbolic_reference_mentioned_p, copy_all_rtx,
reg_mentioned_in_mem): Likewise.
* ns32k/ns32k.c (global_symbolic_reference_mentioned_p,
symbolic_reference_mentioned_p): Likewise.
* romp/romp.c (unsigned_comparisons_p, hash_rtx): Likewise.
* sh/sh.c (regs_used, mark_use): Likewise.
* vax/vax.c (vax_rtx_cost): Likewise.
From-SVN: r28784
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* loop.c (recombine_givs): Set ix field after sorting.
(recombine_givs): Remove bogus index / giv lockstep looping.
From-SVN: r28757
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Include function.h in most files. Remove most of the global variables
duplicated in function.h. Add accessor macros for them which access
current_function. Delete INLINE_HEADER rtx and related code, replace
with code using struct function to store inlining related data.
From-SVN: r28626
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NEXT->insn.
* loop.c (strength_reduce): When doing biv->giv conversion, update
reg note of NEXT->insn.
From-SVN: r28423
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* loop.c (strength_reduce): When doing biv->giv conversion, fix up
reg_biv_class.
From-SVN: r28413
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* loop.c (check_dbra_loop): When reversing a loop, delete all
REG_EQUAL notes referencing the reversed biv except those which are
for a giv based on it.
From-SVN: r28043
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that appear inside loops.
h
* loop.c (verify_dominator): Properly handle ADDR_VEC and
ADDR_DIFF_VEC insns that appear inside loops.
From-SVN: r27760
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