* function.c (keep_stack_depressed): Major rework.
(handle_epilogue_set, emit_equiv_load): New functions.
(thread_prologue_and_epilogue_insns): keep_stack_depressed now
has return value.
* jump.c (returnjump_p_1): Also return 1 if SET with SET_IS_RETURN_P.
* rtl.h (SET_IS_RETURN_P): New macro.
From-SVN: r47250
* explow.c (probe_stack_range): Use LCT_NORMAL as second argument
to emit_library_call.
* function.c (expand_main_function, expand_function_start,
expand_function_end): Likewise.
* profile.c (output_func_start_profiler): Likewise.
* stmt.c (expand_nl_goto_receivers): Use LCT_NORETURN as
second argument to emit_library_call.
* optabs.c (prepare_cmp_insn): Use LCT_CONST_MAKE_BLOCK
as second argument to emit_library_call.
* calls.c (emit_library_call): Update fn_type description.
From-SVN: r47241
* builtins.c (expand_builtin_setjmp): Only call convert_memory_address
if needed.
(expand_builtin_longjmp, expand_builtin_alloca): Likewise.
* except.c (expand_builtin_frob_return_addr): Likewise.
(expand_builtin_eh_return): Likewise.
* stmt.c (expand_computed_goto): Likewise.
* explow.c (memory_address): Likewise.
(allocate_dynamic_stack_space): Clean up predicate testing.
(probe_stack_range): Convert SIZE to Pmode.
* calls.c (rtx_for_function_call): Only call convert_memory_address
if needed.
Pass function call operand as ptr_mode, not Pmode.
* expr.c (expand_assignment): Clean up calls to convert_memory
address by only doing so when needed and making offsets Pmode.
(store_constructor, expand_expr, expand_expr_unaligned): Likewise.
* function.c (assign_parms): Ensure address in MEM for RESULT_DECL
is in Pmode, not ptr_mode.
From-SVN: r46448
* alias.c (can_address_p): Compnonents are not addressable if
the containing type has alias set 0.
(get_alias_set): Rework to use STRIP_NOPS.
Only call front-end routine on object, type, or object with
NOPs stripped, not inner values.
Use language hook to call front-end routine.
* builtins.c (get_memory_rtx): Always call set_mem_attributes.
(expand_builtin_apply): Call set_mem_align on MEMs we make.
Don't pass alignment to emit_block_move.
(expand_builtin_memcpy, expand_builtin_va_copy): Likewise.
(expand_builtin_memset): Likewise, but for clear_storage.
* c-common.c (lang_get_alias_set): Renamed to c_common_alias_set
and remove C++ specific parts.
* c-common.h (c_common_get_alias_set): Add declaration.
* c-lang.c (LANG_HOOKS_GET_ALIAS_SET): New macro.
* calls.c (emit_call_1): Fix typo in sibcall_pop case.
(save_fixed_argument_area): Call set_mem_align.
Remove alignment in call to emit_block_move.
(emit_library_call_value_1, store_one_arg): Likewise.
(target_for_arg): Remove; disabled long ago.
* emit-rtl.c (set_mem_attributes): Rework to only call get_mem_attrs
once and similar cleanups.
(offset_address): Use proper introductory comment.
* expr.c (emit_block_move): Use alignment from that of MEM args, not
from explicit operand; all callers changed.
(clear_storage): Likewise.
(expand_assignment): Don't call set_mem_alias_set on to_rtx.
(store_field): Remove kludge on alias set used for to_rtx.
(highest_pow2_factor, case *_DIV_EXPR): Never return 0.
(expand_expr_unaligned): Call set_mem_attributes instead of
set_mem_alias_set.
* expr.h (emit_block_move, clear_storage): Remove ALIGN argument.
* function.c (assign_stack_temp_for_type): Set MEM alignment.
(expand_function_end): Track MEM attributes of trampolines.
* ifcvt.c (noce_try_cmove_arith): Set alignment of new MEM.
* integrate.c (copy_rtx_and_substitute, case CALL): Copy memory
attributes from original.
* langhooks.c (lang_hook_default_get_alias_set): New function.
(hook_get_alias_set_0): New function.
* langhooks.h (hook_get_alias_set_0): New declaration.
(lang_hook_default_get_alias_set): Likewise.
(LANG_HOOKS_GET_ALIAS_SET): New macro; add to initializer.
* reload1.c (alter_reg): Use adjust_address_nv.
* rtl.c (get_mode_alignment): Moved to here.
* rtl.h (MEM_ALIGN): Take default from mode, if not BLKmode, and
change default if unknown from 1 to BITS_PER_UNIT.
* stor-layout.c (get_mode_alignment): Remove from here.
* toplev.h (struct lang_hoks): Add get_alias_set field.
* tree.h (lang_get_alias_set): Delete declaration.
* config/arc/arc.c (arc_setup_incoming_varags): Set MEM alignment.
* config/i386/i386.c (ix86_setup_incoming_varargs): Likewise.
(ix86_va_arg): Likewise.
* config/i960/i960.c (i960_setup_incoming_varargs): Likewise.
* config/pa/pa.c (hppa_builtin_saveregs): Likewise.
* config/sparc/sparc.c (sparc_va_arg): Likewise.
* config/rs6000/rs6000.c (setup_incoming_varargs): Likewise.
(expand_block_move_mem): Remove dead code.
* cp/cp-lang.c (cxx_get_alias_set): New function.
Point LANG_HOOKS_GET_ALIAS_SET to it.
* f/com.c (LANG_HOOKS_GET_ALIAS_SET): New macro.
(lang_get_alias_set): Delete.
* java/lang.c (lang_get_alias_set): Deleted.
From-SVN: r46443
* alias.c (can_address_p): Compnonents are not addressable if
the containing type has alias set 0.
(get_alias_set): Rework to use STRIP_NOPS.
Only call front-end routine on object, type, or object with
NOPs stripped, not inner values.
Use language hook to call front-end routine.
* builtins.c (get_memory_rtx): Always call set_mem_attributes.
(expand_builtin_apply): Call set_mem_align on MEMs we make.
Don't pass alignment to emit_block_move.
(expand_builtin_memcpy, expand_builtin_va_copy): Likewise.
(expand_builtin_memset): Likewise, but for clear_storage.
* c-common.c (lang_get_alias_set): Renamed to c_common_alias_set
and remove C++ specific parts.
* c-common.h (c_common_get_alias_set): Add declaration.
* c-lang.c (LANG_HOOKS_GET_ALIAS_SET): New macro.
* calls.c (emit_call_1): Fix typo in sibcall_pop case.
(save_fixed_argument_area): Call set_mem_align.
Remove alignment in call to emit_block_move.
(emit_library_call_value_1, store_one_arg): Likewise.
(target_for_arg): Remove; disabled long ago.
* emit-rtl.c (set_mem_attributes): Rework to only call get_mem_attrs
once and similar cleanups.
(offset_address): Use proper introductory comment.
* expr.c (emit_block_move): Use alignment from that of MEM args, not
from explicit operand; all callers changed.
(clear_storage): Likewise.
(expand_assignment): Don't call set_mem_alias_set on to_rtx.
(store_field): Remove kludge on alias set used for to_rtx.
(highest_pow2_factor, case *_DIV_EXPR): Never return 0.
(expand_expr_unaligned): Call set_mem_attributes instead of
set_mem_alias_set.
* expr.h (emit_block_move, clear_storage): Remove ALIGN argument.
* function.c (assign_stack_temp_for_type): Set MEM alignment.
(expand_function_end): Track MEM attributes of trampolines.
* ifcvt.c (noce_try_cmove_arith): Set alignment of new MEM.
* integrate.c (copy_rtx_and_substitute, case CALL): Copy memory
attributes from original.
* langhooks.c (lang_hook_default_get_alias_set): New function.
(hook_get_alias_set_0): New function.
* langhooks.h (hook_get_alias_set_0): New declaration.
(lang_hook_default_get_alias_set): Likewise.
(LANG_HOOKS_GET_ALIAS_SET): New macro; add to initializer.
* reload1.c (alter_reg): Use adjust_address_nv.
* rtl.c (get_mode_alignment): Moved to here.
* rtl.h (MEM_ALIGN): Take default from mode, if not BLKmode, and
change default if unknown from 1 to BITS_PER_UNIT.
* stor-layout.c (get_mode_alignment): Remove from here.
* toplev.h (struct lang_hoks): Add get_alias_set field.
* tree.h (lang_get_alias_set): Delete declaration.
* config/arc/arc.c (arc_setup_incoming_varags): Set MEM alignment.
* config/i386/i386.c (ix86_setup_incoming_varargs): Likewise.
(ix86_va_arg): Likewise.
* config/i960/i960.c (i960_setup_incoming_varargs): Likewise.
* config/pa/pa.c (hppa_builtin_saveregs): Likewise.
* config/sparc/sparc.c (sparc_va_arg): Likewise.
* config/rs6000/rs6000.c (setup_incoming_varargs): Likewise.
(expand_block_move_mem): Remove dead code.
* cp/cp-lang.c (cxx_get_alias_set): New function.
Point LANG_HOOKS_GET_ALIAS_SET to it.
* f/com.c (LANG_HOOKS_GET_ALIAS_SET): New macro.
(lang_get_alias_set): Delete.
* java/lang.c (lang_get_alias_set): Deleted.
From-SVN: r46442
* emit-rtl.c (gen_reg_rtx): Also reallocate reg_decl array.
(offset_address): New function.
(free_emit_status): Free regno_decl.
(init_emit): Pass proper number of elements to xcalloc.
Allocate regno_decl.
(mark_emit_status): Mark regno_decl values.
* expr.c (highest_pow2_factor): New function.
(expand_assigment): Use it and offset_address.
Properly handle ptr_mode vs. Pmode in offset calculation.
(store_constructor, expand_expr_unaligned): Likewise.
(expand_expr, case COMPONENT_EXPR): Likewise.
* expr.h (offset_address): New decl.
* function.h (struct emit_status): Add regno_decl.
(REGNO_DECL): New macro.
* final.c (output_asm_name): Move in file and don't conditionalize
on flag_print_asm_name.
(output_asm_insn): Only call output_asm_name if flag_print_asm_name.
Output names of operands, if known.
* function.c (assign_parms): Set REGNO_DECL.
* integrate.c (integrate_decl_tree): Likewise.
* stmt.c (expand_decl): Likewise.
* regclass.c (reg_scan_mark_refs): Propagate REGNO_DECL for copies.
From-SVN: r46337
* function.c (pop_function_context_from): var_refs_queue
and temp slots now in GC memory.
(mark_function_status, free_after_compilation): Likewise;
also struct function now in GC memory.
(assign_stack_temp_for_type): struct temp_slot now in GC memory.
(combine_temp_slots): Likewise.
(schedule_fixup_var_refs): var_refs_queue now in GC memory.
(prepare_function_start): Use GC memory for struct function.
(mark_temp_slot): Deleted.
(gcc_mark_struct_function): struct function now in GC memory.
From-SVN: r45764
* basic-block.h (free_bb_for_insn): Declare.
* bb-reorder.c (label_for_bb): Use block_label.
(emit_jump_to_block_after): Remove.
(insert_intra_1): Do not update block_for_insn.
(insert_inter_bb_scope_notes): Likewise; update bb->end
* cfg.c (free_bb_for_insn): New.
(try_rediret_by_replacing_jump): Avoid set_block_for_new_insns call.
(force_nonfallthru_and_redirect): Likewise; do not update BB boundaries.
(commit_one_edge_insertion): Likewise.
(commit_one_edge_insertion): Do not update BB boundary.
(commit_edge_insertions): Do not call compute_bb_for_insn.
* cfgbuild.c (find_basic_blocks): Do not free basic_block_for_insn.
* cfgcleanup.c (merge_blocks_move_predecessor): Use reorder_insns_nobb.
(merge_blocks_move_successor_nojumps): Likewise.
(try_crossjump_to_edge): Do not update block_for_insn.
* combine.c (combine_instructions): Remove compute_bb_for_insn call.
* df.c (df_pattern_emit_later): Do not update BB boundary.
(df_jump_pattern_emit_after): Likewise.
(df_insn_move_before): Use emit_insn_before.
* emit-rtl.c (try_split): Emit after trial to get bb boundary updated
properly.
(add_insn_after, add_insn_before, emit_insns_after): Update BB
boundaries and basic_block_for_insn.
(reorder_insns_nobb): Rename from reorder_insns.
(reorder_insns): New.
(emit_block_insn_before, emit_block_insn_after): Kill.
* flow.c (check_function_return_warnings): Do not call
compute_bb_for_insn; Do not free basic_block_for_insn.
(attempt_auto_inc): Do not update basic_block_for_insn.
* function.c (emit_return_into_block): Likewise;
do not update BB boundaries.
* gcse.c (handle_avail_expr): Do not update basic_block_for_insn.
(insert_insn_end_bb): Use emit_insn_before; Likewise.
(pre_insert_copy_insn): Likewise.
(update_ld_motion_notes): Likewise.
(insert_insn_start_bb): Likewise.
(replace_store_insn): Likewise.
* ifcvt.c (noce_process_if_block): Likewise.
(if_convert): Do not call compute_bb_for_insn.
* lcm.c (optimize_mode_switching): Do not update BB boundaries.
Use emit_insn_before and emit_insn_after.
* recog.c (split_all_insns): Do not update BB boundaries;
Do not call compute_bb_for_insn.
(peephole2_optimize): Do not update BB boundaries.
* reg-stack.c (emit_pop_insn): Use emit_insn_after and
emit_insn_before.
(emit_swap_insn): Likewise.
(convert_regs_1): Likewise.
* reload1.c (reload): Call compute_bb_for_insn.
* rtl.h (reorder_insns_nobb): Declare.
* ssa.c (rename_equivalent_regs): Use emit_insn_before.
* toplev.c (rest_of_compilation): Call free_bb_for_insn
at places CFG is invalidated; do not call compute_bb_for_insn.
* cfg.c (expunge_block): Invalidate BB structure.
* (merge_blocks_nomove): Update properly BLOCK_FOR_INSN
array.
* cfg.c (verify_flow_info): Verify the basic_block_for_insn array.
From-SVN: r45647
* function.h (struct function): Add arg_pointer_save_area_init.
* function.c (expand_function_end): Init arg_pointer_save_area.
(get_arg_pointer_save_area): Do not init arg_pointer_save_area
when called from a nested function.
From-SVN: r45362
* function.c: Remove all_functions. Make outer_function_chain
static.
(init_function_start): Don't add new function structure to
all_functions.
(find_function_data, push_function_context_to,
pop_function_context_from, put_var_into_stack,
trampoline_address): Update for changed structure element names.
(push_function_context_to): Disentangle.
(free_after_compilation): Also free F.
(expand_dummy_function_end): Don't free cfun here.
(put_var_into_stack): Comment why we can't use find_function_data here.
(fix_lexical_addr, trampoline_address, ): Use find_function_data.
(mark_function_chain): Split into maybe_mark_struct_function and
ggc_mark_struct_function. Export the latter.
(init_function_once): Mark from cfun and outer_function_chain;
not all_functions.
* function.h (struct function): Kill next_global. Rename next
to outer. All users updated to match.
(all_functions, outer_function_chain): Don't declare.
* ggc-common.c (ggc_mark_trees): Mark DECL_SAVED_INSNS.
* integrate.c (output_inline_function): Clear DECL_SAVED_INSNS,
don't touch f->inlinable, after calling rest_of_compilation.
* tree.h: Forward-declare struct function. Prototype
ggc_mark_struct_function.
From-SVN: r45336
* function.c (expand_function_end): Don't init arg_pointer_save_area.
(get_arg_pointer_save_area): New. Create an init it here.
(fix_lexical_addr): Use it.
* function.h: Declare it.
* builtins.c (expand_builtin_setjmp_receiver): Use it.
* stmt.c (expand_nl_goto_receiver): Use it.
From-SVN: r45200
* expmed.c (mode_for_extraction): New function.
(store_bit_field, extract_bit_field): Use it.
* expr.h: Prototype it and provide an enum for its first argument.
* combine.c, function.c, recog.c: Don't include insn-codes.h.
Use mode_for_extraction rather than testing HAVE_insv/extv/extzv
and digging through the insn_data tables.
* Makefile.in: Update dependencies.
From-SVN: r45086
* optabs.h (OTI_flodiv, flodiv_optab): Kill.
* genopinit.c: Put floating point divide insns in sdiv_optab.
* expr.c (expand_expr): Use sdiv_optab, not flodiv_optab.
* config/gofast.h, config/c4x/c4x.h,
config/ia64/hpux_longdouble.h, config/mips/mips.h,
config/pa/long_double.h, config/rs6000/sysv4.h,
config/sparc/sparc.h: Put floating point divide libcalls in sdiv_optab.
* optabs.c (init_optab): Break into new_optab, init_optab, init_optabv.
(init_optabs): Use init_optabv for overflow-trapping optabs.
Don't init flodiv_optab. Give mov_optab, movstrict_optab, and
cmp_optab RTX codes so have_insn_for can find them.
* optabs.c (expand_simple_binop, expand_simple_unop,
have_insn_for, gen_sub3_insn): New interfaces.
* expr.h: Prototype new functions.
(enum optab_methods): Move here from optabs.h.
* builtins.c, combine.c, doloop.c, function.c, ifcvt.c,
loop.c, profile.c, simplify-rtx.c, stmt.c, unroll.c:
Use new functions instead of working directly with optabs.
* doloop.c, ifcvt.c, loop.c, profile.c, simplify-rtx.c,
unroll.c: Don't include optabs.h.
* caller-save.c, combine.c, function.c, stmt.c: Just include
insn-codes.h, not optabs.h.
* Makefile.in: Update dependencies.
* combine.c (make_compound_operation, simplify_comparison):
Fix typos testing for this or that instruction.
From-SVN: r45008
* expr.h: Split out optab- and libfunc-related code to...
* optabs.h, libfuncs.h: ... these new headers.
* Makefile.in (CONFIG_H, EXPR_H): Take out insn-codes.h.
(OPTABS_H): New.
(various .o rules): Add $(OPTABS_H) and/or libfuncs.h to
dependencies.
* mkconfig.sh: Don't include insn-codes.h from config.h.
* reload.h: Use #ifdef GCC_INSN_CODES_H to decide whether
enum insn_code is available. Move reload_in_optab and
reload_out_optab array declarations to optabs.h.
* regmove.c (gen_add3_insn): Move to optabs.c, export from
there, prototype in expr.h.
* gencodes.c: Cleanup: zap global variables, don't use
printf where puts will do, don't bother defining MAX_INSN_CODE
which nothing uses, let CODE_FOR_nothing get its value implicitly.
* genemit.c, genopinit.c: Include optabs.h in generated file.
* genoutput.c: Include insn-codes.h in generated file.
* builtins.c, caller-save.c, combine.c, doloop.c, explow.c,
expmed.c, expr.c, function.c, ifcvt.c, loop.c, optabs.c, profile.c,
reload1.c, simplify-rtx.c, stmt.c, unroll.c, config/alpha/alpha.c,
config/arm/arm.c, config/c4x/c4x.c, config/clipper/clipper.c,
config/i386/i386.c, config/ia64/ia64.c, config/mn10300/mn10300.c,
config/pj/pj.c, config/sh/sh.c, config/sparc/sparc.c:
Include optabs.h.
* builtins.c, calls.c, dwarf2out.c, except.c, expr.c, function.c,
optabs.c, stmt.c, config/c4x/c4x.c, config/clipper/clipper.c,
config/m88k/m88k.c, config/sparc/sparc.c:
Include libfuncs.h.
* reload.c: Include expr.h and optabs.h before reload.h.
* config/alpha/alpha.c: Include tree.h before reload.h.
* config/pa/pa.c: Include expr.h, optabs.h, libfuncs.h,
and reload.h in that order.
* config/sparc/sparc.c: Include debug.h.
* recog.c: Include insn-codes.h.
cp:
* Make-lang.in (cp/except.o): Add libfuncs.h to dependencies.
* except.c: Include libfuncs.h.
java:
* Make-lang.in (java/decl.o): Update dependencies.
* decl.c: Include libfuncs.h, don't include toplev.h.
From-SVN: r44858
* defaults.h: Define PREFERRED_STACK_BOUNDARY to
STACK_BOUNDARY if not already defined.
* calls.c, function.c, reload1.c, explow.c: Don't default
PREFERRED_STACK_BOUNDARY. Remove all #if/#ifdef on
PREFERRRED_STACK_BOUNDARY and/or STACK_BOUNDARY.
* explow.c (allocate_dynamic_stack_space): Change unsafe #if
to run-time test.
* doc/tm.texi: Document that STACK_BOUNDARY is required;
clarify difference between it and PREFERRED_STACK_BOUNDARY.
From-SVN: r44814
* calls.c, function.c: Always define PREFERRED_STACK_BOUNDARY
if not already defined. Remove all #ifdefs on STACK_BOUNDARY;
this macro is now required.
* cselib.c (cselib_process_insn), flow.c (propagate_block),
loop.c (find_and_verify_loops), reload.c (reload): Check
for rtx code of CALL_INSN, not CALL, when deciding if we
need to check for REG_SETJMP note.
* gcse.c (compute_hash_table, compute_store_table): Update
the #ifdef NON_SAVING_SETJMP code to the new REG_SETJMP
logic.
* config/avr/avr.c: Fix typo.
* config/convex/convex.c (expand_movstr): Use adjust_address.
* config/dsp16xx/dsp16xx.c: Define dsp16xx_compare_gen
variable.
* config/dsp16xx/dsp16xx.md: Correct calls to replace_equiv_address.
* config/elxsi/elxsi.c: Include tree.h, expr.h, regs.h, and flags.h.
Fix typo.
* config/elxsi/elxsi.h: Don't define Rmode (typo for Pmode?)
Do define STACK_BOUNDARY.
* config/i370/i370.c: Include expr.h.
* config/i860/sysv3.h, config/i860/sysv4.h, config/m32r/m32r.h,
config/pa/som.h, config/v850/v850.h: Take in_ctors and
in_dtors out of EXTRA_SECTIONS; take CTORS_SECTION_FUNCTION
and DTORS_SECTION_FUNCTION out of EXTRA_SECTION_FUNCTIONS.
* config/m88k/m88k.c: Include c-tree.h after expr.h.
* config/pdp11/pdp11.c: Include expr.h and toplev.h.
* config/romp/romp.c: Include expr.h after tree.h.
Include toplev.h.
(output_fpop): Use xmalloc, not oballoc.
* config/we32k/we32k.c: Include expr.h.
From-SVN: r44768
* alias.c (get_alias_set): Return a previously calculated
alias set for a VAR_DECL.
* function.c (gen_mem_addressof): Calculate the alias set before
touching the RTL.
From-SVN: r44720
* i386.c (ix86_output_main_function_alignment_hack): New function.
(TARGET_ASM_FUNCTION_PROLOGUE): Default to it.
* flow.c (mark_dfs_back_edges): Move from loop_p ; mark back
edges by EDGE_DFS_BACK flag.
(dump_edge_info): Add dfs_back flag.
* basic-block.h (EDGE_DFS_BACK): New constant.
(mark_dfs_back_edges): Declare.
* alias.c (loop_p): Remove.
(mark_constant_function): Use mark_dfs_back_edges.
* reg-stack.c (block_info_def): Add predecesors counter and stack_out.
(reg_to_stack): Call mark_dfs_back_edges; count the predecesors.
(compensate_edge): Break out from ...
(convert_regs_1): ... here; do smart choosing of stack_out to copy.
(convert_regs_2): Set block_done once block is really done;
Do updating of the predecesors counts.
* toplev.c (rest_of_compilation): Recompute block_for_insn
before post-reload cfg_cleanup.
* function.c (thread_prologue_epilogue_insns):
Call set_block_for_new_insns when emitting prologue directly.
From-SVN: r44486
* dwarf2out.c (dw_val_class_offset): New.
(struct dw_ranges_struct, dw_ranges_ref): New.
(ranges_table, ranges_table_allocated): New.
(ranges_table_in_use, RANGES_TABLE_INCREMENT): New.
(add_AT_offset, add_ranges, output_ranges): New.
(print_die, output_die): Handle dw_val_class_offset.
(attr_checksum, size_of_die, value_format): Likewise.
(gen_lexical_block_die): Handle non-contiguous blocks.
(gen_block_die): Likewise.
(dwarf2out_finish): Add a DW_AT_entry_pc to the compilation unit
if needed. Dump the ranges table.
* final.c (final_start_function): Remove unnecessary notes and
rebuild the block tree before numbering the blocks.
* function.c (reorder_blocks_0): Walk the existing block tree
to unmark all blocks.
(reorder_blocks_1): Create block fragments when duplicate block
notes are seen.
(reorder_fix_fragments): New.
(reorder_blocks): Call it.
* tree.h (BLOCK_FRAGMENT_ORIGIN, BLOCK_FRAGMENT_CHAIN): New.
From-SVN: r44444
