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* reload.c (push_reload): Handle subregs and secondary memory.
* reload1.c (gen_reload): Likewise.
* jump.c (reg_or_subregno): New function.
* rtl.h (reg_or_subregno): Declare
* unroll.c (find_splittable_givs): Handle subregs.
From-SVN: r57663
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* dbxout.c: Follow spelling conventions.
* defaults.h: Likewise.
* df.c: Likewise.
* diagnostic.h: Likewise.
* doloop.c: Likewise.
* dwarf2out.c: Likewise.
* dwarfout.c: Likewise.
* emit-rtl.c: Likewise.
* except.c: Likewise.
* explow.c: Likewise.
* expmed.c: Likewise.
* expr.c: Likewise.
* expr.h: Likewise.
* flags.h: Likewise.
* flow.c: Likewise.
* fold-const.c: Likewise.
* function.c: Likewise.
* function.h: Likewise.
* gcc.c: Likewise.
* gcov-io.h: Likewise.
* gcov.c: Likewise.
* gcse.c: Likewise.
* genattrtab.c: Likewise.
* genconfig.c: Likewise.
* genrecog.c: Likewise.
* ggc-page.c: Likewise.
* ggc.h: Likewise.
* global.c: Likewise.
* gthr-win32.h: Likewise.
* integrate.c: Likewise.
* jump.c: Likewise.
* langhooks.c: Likewise.
* langhooks.h: Likewise.
* line-map.h: Likewise.
* local-alloc.c: Likewise.
* longlong.h: Likewise.
* loop.c: Likewise.
* loop.h: Likewise.
From-SVN: r57406
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2002-06-05 David S. Miller <davem@redhat.com>
Delete SEQUENCE rtl usage outside of reorg and ssa passes.
* rtl.h (gen_sequence, emit_insns, emit_insns_before,
emit_insns_before_scope, emit_insns_after,
emit_insns_after_scope): Delete declaration.
* ada/misc.c (insert_code_for): Use emit_insn* instead of
emit_insns_foo.
* config/alpha/alpha.c (alpha_set_memflags_1): Abort on SEQUENCE.
(alpha_set_memflags): Fix comment.
(set_frame_related_p): Use get_insns instead of gen_sequence.
* config/alpha/alpha.md (setjmp receiver splitter): Avoid
emitting no insns.
* config/arm/arm.c (arm_finalize_pic): Use get_insns instead of
gen_sequence.
(arm_gen_load_multiple, arm_gen_store_multiple): Likewise.
* config/fr30/fr30.c (fr30_move_double): Likewise.
* config/i386/i386.c (ix86_expand_int_movcc, ix86_expand_movstr):
Likewise.
* config/ia64/ia64.c (spill_restore_mem): Likewise.
* config/ia64/ia64.md (conditional move spliiter): Avoid emitting
no insns.
* config/m32r/m32r.c (gen_split_move_double): Use get_insns
instead of gen_sequence.
* config/mips/mips.c (embedded_pic_fnaddr_reg): Likewise.
(mips_expand_prologue, mips16_gp_pseudo_reg): Likewise.
* config/sh/sh.c (sh_need_epilogue): Likewise.
* config/sparc/sparc.md (current_function_calls_alloca, flat): New
attributes.
(setjmp pattern and split): Use them to avoid splitter which emits
no RTL.
* genattrtab.c (main): Emit include of function.h
* config/stormy16/stormy16.c (xstormy16_split_cbranch): Use
get_insns instead of gen_sequence.
* config/cris/cris.c (cris_split_movdx): Likewise.
* emit-rtl.c (emit_insns*): Kill.
(try_split): Expect insn list instead of SEQUENCE.
(make_jump_insn_raw, make_call_insn_raw): Fix comments.
(emit_*insn*): Reimplement to work with INSN lists and PATTERNs.
Make them abort if a SEQUENCE is given and RTL checking is
enabled.
(emit_*_scope): Don't forget to set scope on final insn.
(gen_sequence): Move from here...
* ssa.c (gen_sequence): To here as private function.
* builtins.c (expand_builtin_apply_args): Use emit_insn_foo, fix
comments.
(expand_builtin_return, expand_builtin_mathfn): Likewise.
(expand_builtin_strlen): Use get_insns instead of gen_sequence.
(expand_builtin_saveregs): Use emit_insn_foo, fix comments.
(expand_builtin_expect_jump): Use get_insns and fix comments.
* calls.c (try_to_integrate): Use emit_insn_foo.
(expand_call, emit_library_call_value_1): Likewise.
* expr.c (emit_queue): Handle insn lists instead of SEQUENCE.
(emit_move_insn_1): Use get_insns instead of gen_sequence.
(expand_expr): Use emit_insn_foo.
* cfgrtl.c (commit_one_edge_insertion): Use emit_insn_foo.
* except.c (build_post_landing_pads): Likewise.
* flow.c (attempt_auto_inc): Likewise.
* stmt.c (expand_fixup, fixup_gotos, expand_nl_handler_label,
expand_nl_goto_receivers, expand_decl_cleanup): Likewise.
* function.c (fixup_var_refs_insn): Use get_insns instead of
gen_sequence.
(fixup_var_refs_1): Likewise and expect insn list from gen_foo.
(fixup_memory_subreg): Use get_insns instead of gen_sequence.
(fixup_stack_1, purge_addressof_1, expand_main_function,
get_arg_pointer_save_area): Likewise.
(optimize_bit_field, instantiate_virtual_regs_1, assign_parms,
expand_function_end): Use emit_insn_foo.
(record_insns, keep_stack_depressed): Work with insn list instead
of SEQUENCE, fix comments.
* ifcvt.c (noce_emit_store_flag, noce_try_store_flag,
noce_try_store_flag_constants, noce_try_store_flag_inc,
noce_try_store_flag_mask, noce_emit_cmove, noce_try_cmove_arith,
noce_try_minmax, noce_try_abs): Use emit_insn_foo.
(noce_process_if_block): Use get_insns instead of gen_sequence.
* optabs.c (add_equal_note): Work with insn list, fix comments.
(expand_binop): Expect insn list from GEN_FCN(), use emit_insn_foo.
(expand_unop, expand_complex_abs, expand_unop_insn,
expand_no_conflict_block): Likewise.
(gen_move_insn): Use get_insns instead of gen_sequence.
(gen_cond_trap): Likewise.
* integrate.c (copy_rtx_and_substitute): Likewise.
(emit_initial_value_sets): Use emit_insn_foo.
* reload1.c (emit_output_reload_insns, emit_reload_insns): Likewise.
(fixup_abnormal_edges): Avoid losing REG_NOTES more intelligently
now that RTL generators give insn lists.
* sibcall.c (replace_call_placeholder): Use emit_insn_foo.
* doloop.c (doloop_modify, doloop_modify_runtime): Use get_insns
instead of gen_sequence.
(doloop_optimize): Work with insn lists instead of SEQUENCE rtl.
* explow.c (emit_stack_save, emit_stack_restore): Use get_insns
instead of gen_sequence.
* loop.c (move_movables, emit_prefetch_instructions,
gen_add_mult, check_dbra_loop, gen_load_of_final_value):
Likewise.
(loop_regs_update): Work with insn list instead of SEQUENCE rtl.
(product_cheap_p): Likewise, and add commentary about RTL wastage
here.
* lcm.c (optimize_mode_switching): Use get_insns instead of
gen_sequence.
* profile.c (gen_edge_profiler): Likewise.
* regmove.c (copy_src_to_dest): Likewise.
* reg-stack.c (compensate_edge): Likewise and fix comment.
* gcse.c (process_insert_insn): Likewise.
(insert_insn_end_bb): Work with insn list instead of SEQUENCE rtl.
* jump.c (delete_prior_computation): Update comment.
* genemit.c (gen_expand, gen_split, main): Use get_insns instead
of gen_sequence, update comments to match.
* recog.c (peephole2_optimize): Work with insn lists instead of
SEQUENCE rtl.
* sched-vis.c (print_pattern): Abort on SEQUENCE.
* unroll.c (unroll_loop, find_splittable_givs, final_giv_value):
Use get_insns instead of gen_sequence.
(copy_loop_body): Likewise and don't emit dummy NOTE.
* genrecog.c: Don't mention SEQUENCE rtl in comments.
* combine.c (try_combine): Expect insn lists from split generator.
* reorg.c (relax_delay_slots): Emit SEQUENCE into insn list by
hand.
From-SVN: r54497
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* loop.c (emit_prefetch_instructions): Properly place the address computation.
* basic-block.h (basic_block_for_insn, BLOCK_FOR_INSN): Kill.
(set_block_for_insn): Turn into macro.
* cfgbuild.c (find_basic_block): Do not clear basic_block_for_insn.
* cfglayout.c (insn_scopes): Kill.
(scope_to_insns_initialize): Do not use insn_scopes.
(scope_to_insns_finalize): Likewise.
(duplicate_insn_chain): Likewise.
(cfg_layout_initialize, cfg_layout_finalize): Do not turn scopes to notes.
* cfgrtl.c (basic_block_for_insn): Kill.
(delete_insn_and_edges, delete_insn_chain_and_edges): Simplify.
(create_basic_block_structure): Use reorder_insns.
(compute_bb_for_insn): Do not use basic_block_for_insn.
(merge_blocks_nomove): Likewise.
(update_bb_for_insn): Likewise.
(verify_flow_info): Likewise.
(set_block_for_insn): Kill.
* combine.c (try_combine): Update gen_rtx_INSN call.
* emit-rtl.c (gen_label_rtx): Update gen_rtx_CODE_LABEL call.
(mark_insn_raw, make_jump_insn_raw, make_call_insn_raw): Clear
scopes and BBs.
(add_insn_after, add_insn_before, remove_insn, reorder_insns): Simplify.
(emit_note_before, emit_note_after, emit_line_note_after, emit_note):
Clear BB.
(emit_insns_after): Simplify.
(emit_copy_of_insn_after): Copy scope.
* final.c (final_start_function): Lower scopes.
* flow.c (check_function_return_warnings): Do not rely on deleted insn.
* integrate.c (copy_insn_list): Cope scopes.
* jump.c (duplicate_loop_exit_test): LIkewise; simplify.
* loop.c (loop_optimize): Do not care block notes.
* print-rtl.c (print_rtx): Print BB.
* recog.c (apply_change_group): Simplify.
* rtl.c (copy_rtx): Handle 'B'.
* rtl.def (INSN, CALL_INSN, JUMP_INSN, NOTE): Add extra fields.
* rtl.h (Field accessors): Update indexes.
* sched-ebb.c (schedule_ebbs): Do not lower notes.
* sched-rgn.c (schedule_insns): Likewise.
* toplev.c (rest_of_compilation): Lower notes.
* unroll.c (unroll_loop): Do not care scoping notes.
(copy_loop_body): Copy scopes.
From-SVN: r54188
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* basic-block.h (flow_delete_block_noexpunge): Declare.
(expunge_block_nocompact): Declare.
* cfg.c (expunge_block_nocompact): Split out from ...
(expunge_block): ... here.
* cfgrtl.c (can_delete_label_p): Don't use exception_handler_labels.
(flow_delete_block_noexpunge): Split out from ...
(flow_delete_block): ... here.
* cfgcleanup.c (delete_unreachable_blocks): Compact while
removing dead blocks.
* except.c (exception_handler_labels): Remove.
(exception_handler_label_map): New.
(struct eh_region): Add aka member.
(mark_ehl_map_entry, mark_ehl_map, free_region): New.
(ehl_hash, ehl_eq, ehl_free, add_ehl_entry): New.
(for_each_eh_label, for_each_eh_label_1): New.
(init_eh): Register exception_handler_label_map.
(free_eh_status): Use free_region.
(find_exception_handler_labels): Use the map, not the list.
(remove_exception_handler_label): Likewise.
(maybe_remove_eh_handler): Likewise.
(remove_eh_handler): Use the region aka bitmap.
* except.h (exception_handler_labels): Remove.
(for_each_eh_label): Declare.
* jump.c (rebuild_jump_labels): Don't check exception_handler_labels.
* loop.c (invalidate_loops_containing_label): New.
(find_and_verify_loops): Use it. Use for_each_eh_label.
* sched-rgn.c (is_cfg_nonregular): Use
current_function_has_exception_handlers.
From-SVN: r52100
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From-SVN: r50404
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* defaults.h (MODE_HAS_NANS, MODE_HAS_INFINITIES): New.
(MODE_HAS_SIGNED_ZEROS, MODE_HAS_SIGN_DEPENDENT_ROUNDING): New.
* flags.h (HONOR_NANS, HONOR_INFINITIES, HONOR_SIGNED_ZEROS): New.
(HONOR_SIGN_DEPENDENT_ROUNDING): New.
* builtins.c (expand_builtin_mathfn): Use HONOR_NANS.
* c-common.c (truthvalue_conversion): Reduce x - y != 0 to x != y
unless x and y could be infinite.
(expand_unordered_cmp): New, mostly split from expand_tree_builtin.
Check that the common type of both arguments is a real, even for
targets without unordered comparisons. Allow an integer argument
to be compared against a real.
(expand_tree_builtin): Use expand_unordered_cmp.
* combine.c (combine_simplify_rtx): Use the new HONOR_... macros.
* cse.c (fold_rtx): Likewise. Fix indentation.
* fold-const.c (fold_real_zero_addition_p): New.
(fold): Use it, and the new HONOR_... macros.
* ifcvt.c (noce_try_minmax): Use the new HONOR_... macros.
* jump.c (reversed_comparison_code_parts): After searching for
the true comparison mode, use HONOR_NANS to decide whether it
can be safely reversed.
(reverse_condition_maybe_unordered): Remove IEEE check.
* simplify-rtx.c (simplify_binary_operation): Use the new macros
to decide which simplifications are valid. Allow the following
simplifications for IEEE: (-a + b) to (b - a), (a + -b) to (a - b),
and (a - -b) to (a + b).
(simplify_relational_operation): Use HONOR_NANS.
* doc/tm.texi: Document the MODE_HAS_... macros.
From-SVN: r50401
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* jump.c (redirect_jump): If old label has no UID, don't try to
delete it.
From-SVN: r49943
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* jump.c (never_reached_warning): Add finish argument.
If finish is NULL, stop on CODE_LABEL, otherwise stop before first
real insn after end.
* rtl.h (never_reached_warning): Adjust prototype.
* cse.c (cse_insn): Pass NULL as finish to never_reached_warning.
* cfgrtl.c (flow_delete_block): Pass b->end as finish to
never_reached_warning.
* gcc.dg/Wunreachable-1.c: New test.
* gcc.dg/Wunreachable-2.c: New test.
From-SVN: r49713
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* Makefile.in (cfgcleanup.o): Add cselib.h dependancy.
* basic-block.h (CLEANUP_THREADING): New constant.
* cfgcleanup.c: Include cselib.h
(thread_jump, mark_effect): New functions.
(try_forward_edges): Do jump threading when asked for.
* jump.c (mark_modified_reg, save_regs, num_same_regs, modified_regs,
modified_mem, thread_jumps, rtx_equal_for-thread_p): Kill.
* rtl.h (thread_jumps, rtx_equal_for_thread_p): Kill.
* toplev.c (rest_of_compilation): Do now call thread_jumps; use
CLEANUP_THREAD instead.
From-SVN: r48108
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* 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
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* jump.c (squeeze_notes): Return true if no real insns were found.
* rtl.h (squeeze_notes): Adjust prototype.
* cfgcleanup.c (merge_blocks_move_predecessor_nojumps): If
squeeze_notes finds no real instructions, abort.
(merge_blocks_move_successor_nojumps): Likewise.
* loop.c (find_and_verify_loops): Likewise.
* stmt.c (expand_end_case): Likewise.
* ifcvt.c (dead_or_predicable): Return TRUE if squeeze_notes doesn't
find any real instructions.
* gcc.c-torture/compile/20011114-4.c: New test.
From-SVN: r47048
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* ChangeLog.2, ChangeLog.3, ChangeLog.4, ChangeLog.5, ChangeLog,
cfg.c, cfganal.c, cfgcleanup.c, cfglayout.c, cfgloop.c, cfgrtl.c,
collect2.c, combine.c, config.in, configure, configure.in,
conflict.c, dwarf2out.c, dwarfout.c, except.c, final.c, flow.c,
genattrtab.c, ggc-page.c, jump.c, lcm.c, predict.c, reg-stack.c,
reload1.c, rtlanal.c, sched-rgn.c, toplev.c, unwind-dw2-fde.h: Fix
spelling errors.
From-SVN: r46928
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* ChangeLog.0, ChangeLog.1, ChangeLog.2, ChangeLog.3, ChangeLog.4,
ChangeLog.5, ChangeLog, ChangeLog.lib, FSFChangeLog.10, ONEWS,
c-common.c, caller-save.c, cfg.c, cfgcleanup.c, cfgrtl.c,
collect2.c, df.h, diagnostic.h, final.c, gcse.c, gthr.h,
haifa-sched.c, jump.c, local-alloc.c, profile.c, protoize.c,
regmove.c, reload1.c, rtlanal.c, sched-vis.c, ssa.c, stmt.c,
system.h, toplev.c: Fix spelling errors.
From-SVN: r46580
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and local...
2001-10-10 Stan Shebs <shebs@apple.com>
* alias.c: Remove uses of "register" specifier in declarations
of arguments and local variables.
* c-common.c: Ditto.
* c-convert.c: Ditto.
* c-decl.c: Ditto.
* c-format.c: Ditto.
* c-semantics.c: Ditto.
* c-typeck.c: Ditto.
* caller-save.c: Ditto.
* calls.c: Ditto.
* cfg.c: Ditto.
* cfgbuild.c: Ditto.
* cfgrtl.c: Ditto.
* collect2.c: Ditto.
* combine.c: Ditto.
* convert.c: Ditto.
* cppexp.c: Ditto.
* cppfiles.c: Ditto.
* cse.c: Ditto.
* dbxout.c: Ditto.
* defaults.h: Ditto.
* df.c: Ditto.
* dwarf2out.c: Ditto.
* dwarfout.c: Ditto.
* emit-rtl.c: Ditto.
* explow.c: Ditto.
* expmed.c: Ditto.
* expr.c: Ditto.
* final.c: Ditto.
* fix-header.c: Ditto.
* floatlib.c: Ditto.
* flow.c: Ditto.
* fold-const.c: Ditto.
* function.c: Ditto.
* gcc.c: Ditto.
* gcse.c: Ditto.
* gen-protos.c: Ditto.
* genattrtab.c: Ditto.
* gencheck.c: Ditto.
* genconfig.c: Ditto.
* genemit.c: Ditto.
* genextract.c: Ditto.
* genflags.c: Ditto.
* gengenrtl.c: Ditto.
* genoutput.c: Ditto.
* genpeep.c: Ditto.
* genrecog.c: Ditto.
* gensupport.c: Ditto.
* global.c: Ditto.
* gmon.c: Ditto.
* graph.c: Ditto.
* haifa-sched.c: Ditto.
* hard-reg-set.h: Ditto.
* hash.c: Ditto.
* integrate.c: Ditto.
* jump.c: Ditto.
* lists.c: Ditto.
* local-alloc.c: Ditto.
* loop.c: Ditto.
* mips-tdump.c: Ditto.
* mips-tfile.c: Ditto.
* optabs.c: Ditto.
* prefix.c: Ditto.
* print-rtl.c: Ditto.
* read-rtl.c: Ditto.
* real.c: Ditto.
* recog.c: Ditto.
* reg-stack.c: Ditto.
* regclass.c: Ditto.
* regmove.c: Ditto.
* reload.c: Ditto.
* reload1.c: Ditto.
* reorg.c: Ditto.
* resource.c: Ditto.
* rtl.c: Ditto.
* rtlanal.c: Ditto.
* scan.c: Ditto.
* sched-deps.c: Ditto.
* sched-rgn.c: Ditto.
* sdbout.c: Ditto.
* simplify-rtx.c: Ditto.
* stmt.c: Ditto.
* stor-layout.c: Ditto.
* toplev.c: Ditto.
* tradcif.y: Ditto.
* tradcpp.c: Ditto.
* tree.c: Ditto.
* unroll.c: Ditto.
* varasm.c: Ditto.
* xcoffout.c: Ditto.
From-SVN: r46173
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* basic-block.h (flow_delete_insn, flow_delete_insn_chain): Kill.
* cfg.c (delete_insn): Rename from ....; use remove_insn; do not
remove some labels.
(flow_delete_insn): This one.
(delete_insn_chain): Rename from ...; do not care labels.
(flow_delete_insn_chain): ... this one.
(flow_delete_block): Remove the insns one BB has been expunged.
(merge_blocks_nomove): Likewise.
(try_redirect_by_replacing_jump): Use delete_insn[_chain]; do not care
updating BB boundaries.
(tidy_fallthru_edge): Likewise.
(commit_one_edge_insertion): Likewise.
* cfgbuild.c (find_basic_block): Likewise.
(find_basic_blocks_1): Likewise.
* cfgcleanup.c (merge_blocks_move_predecessor_nojumps): Likewise.
(try_crossjump_to_edge): Likewise.
(try_optimize_cfg): Likewise.
* cse.c (delete_trivially_dead_insns): Likewise.
* df.c (df_insn_delete): Likewise.
* doloop.c (doloop_modify): Use delete_related_insns.
* emit-rtl.c (try_split): Likewise.
(remove_insn): Update BB boundaries.
* expect.c (connect_post_landing_pads): Use delete_related_insns.
* flow.c (delete_dead_jumptables): Use delete_insn[_chain]; do not care
updating BB boundaries.
(propagate_block_delete_insn): Likewise.
(propagate_block_delete_libcall): Likewise.
* function.c (delete_handlers): Use delete_related_insns.
(thread_prologue_and_epilogue_insns): Likewise.
* gcse.c (delete_null_pointer_checks): Use delete_related_insns.
* genpeep.c (gen_peephole): Use delete_related_insns.
* ifcvt.c (noce_process_if_block): Use delete_insn; do not care updating
BB boundaries.
(find_cond_trap): Likewise.
* integrate.c (save_for_inline): Use delete_related_insns.
(copy_insn_list): Likewise.
* jump.c (pruge_linie_number_notes): Likewise.
(duplicate_loop_exit_test): Likewise.
(delete_computation): Likewise.
(delete_related_insn): Rename from ...; use delete_insn
(delete_insn): ... this one.
(redirect_jump): Use delete_related_insns.
* loop.c (scan_loop): Likewise.
(move_movables): Likewise.
(find_and_verify_loops): Likewise.
(check_dbra_loop): Likewise.
* recog.c (peephole2_optimize): Likewise.
* reg-stack.c (delete_insn_for_stacker): Remove.
(move_for_stack_reg): Use delete_insn.
* regmove.c (combine_stack_adjustments_for_block): Likewise.
* reload1.c (delete_address_reloads): Use delete_related_insns.
(fixup_abnormal_edges): Use delete_insn.
* recog.c (emit_delay_sequence): Use delete_related_insns.
(delete_from-delay_slot): Likewise.
(delete_scheduled_jump): likewise.
(optimize_skip): Likewise.
(try_merge_delay_insns): Likewise.
(full_simple_delay_slots): Likewise.
(fill_slots_from_thread): Likewise.
(relax_delay_slots): Likewise.
(make_return_insns): Likewise.
(dbr_schedule): Likewise.
* rtl.h (delete_insn): Rename to delete_related_insns.
(delete_insn, delete_insn_chain): New prototypes.
* ssa-ccp (sse_fast_dce): Remove deleting of DEF, as it is done
by df_insn_delete already.
* ssa-dce.c (delete_insn_bb): Use delete_insn.
* ssa.c (convert_from_ssa): Use delete_related_insns.
* unroll.c (unroll_loop): Likewise.
(calculate_giv_inc): Likewise.
(copy_loop_body): Likewise.
* i386-protos.h (ix86_libcall_value, ix86_function_value,
ix86_function_arg_regno_p, ix86_function_arg_boundary,
ix86_return_in_memory, ix86_function_value): Declare.
* i386.c (x86_64_int_parameter_registers, x86_64_int_return_registers):
new static valurables.
(x86_64_reg_class): New enum
(x86_64_reg_class_name): New array.
(classify_argument, examine_argument, construct_container,
merge_classes): New static functions.
(optimization_options): Enable flag_omit_frame_pointer and disable
flag_pcc_struct_return on 64bit.
(ix86_libcall_value, ix86_function_value,
ix86_function_arg_regno_p, ix86_function_arg_boundary,
ix86_return_in_memory, ix86_function_value): New global functions.
(init_cumulative_args): Refuse regparm on x86_64, set maybe_vaarg.
(function_arg_advance): Handle x86_64 passing conventions.
(function_arg): Likewise.
* i386.h (FUNCTION_ARG_BOUNDARY): New macro.
(RETURN_IN_MEMORY): Move offline.
(FUNCTION_VALUE, LIBCALL_VALUE): Likewise.
(FUNCTION_VALUE_REGNO_P): New macro.
(FUNCTION_ARG_REGNO_P): Move offline.
(struct ix86_args): Add maybe_vaarg.
* next.h (FUNCTION_VALUE_REGNO_P): Delete.
* unix.h (FUNCTION_VALUE_REGNO_P): Delete.
From-SVN: r45726
|
|
* jump.c (mark_jump_label): Revert patch from 2001-08-28, the
code was correct.
From-SVN: r45308
|
|
* jump.c (mark_jump_label): Fix typo: REG_LABEL is EXPR_LIST, not
INSN_LIST.
From-SVN: r45242
|
|
* jump.c (squeeze_notes): Take parms by reference. Handle END being
a squeezable note.
* rtl.h: Adjust.
* ifcvt.c (dead_or_predicable): Adjust.
* loop.c (find_and_verify_loops): Adjust.
* stmt.c (expand_end_case): Adjust.
* flow.c (merge_blocks_move_successor_nojumps): Adjust. Modify the
head and end insn pointers in the basic block, not just local copies.
(merge_blocks_move_predecessor_nojumps): Likewise.
From-SVN: r45107
|
|
* Makefile.in, alias.c, basic-block.h, bb-reorder.c, bitmap.c,
bitmap.h, builtin-types.def, builtins.c, builtins.def,
c-aux-info.c, c-common.c, c-common.def, c-common.h,
c-convert.c, c-decl.c, c-dump.c, c-dump.h, c-errors.c,
c-format.c, c-lang.c, c-lex.c, c-lex.h, c-parse.in,
c-pragma.c, c-pragma.h, c-semantics.c, c-tree.h, c-typeck.c,
caller-save.c, calls.c, collect2.c, collect2.h, combine.c,
conditions.h, config.gcc, configure.frag, configure.in,
conflict.c, convert.c, convert.h, cppspec.c, crtstuff.c,
cse.c, cselib.c, cselib.h, dbxout.c, dbxout.h, defaults.h,
dependence.c, df.c, df.h, diagnostic.c, diagnostic.h,
doloop.c, dominance.c, dwarf.h, dwarf2.h, dwarf2asm.c,
dwarf2asm.h, dwarf2out.c, dwarf2out.h, dwarfout.c,
emit-rtl.c, errors.c, errors.h, except.c, except.h,
exgettext, explow.c, expmed.c, expr.c, expr.h, final.c,
fixproto, flags.h, flow.c, fold-const.c, fp-test.c,
function.c, function.h, gbl-ctors.h, gcc.c, gcc.h, gcc.hlp,
gccspec.c, gcov-io.h, gcse.c, genattr.c, genattrtab.c,
gencheck.c, gencodes.c, genconfig.c, genemit.c,
genextract.c, genflags.c, gengenrtl.c, genmultilib,
genopinit.c, genoutput.c, genpeep.c, genrecog.c,
gensupport.c, gensupport.h, ggc-callbacks.c, ggc-common.c,
ggc-none.c, ggc-page.c, ggc-simple.c, ggc.h, global.c,
graph.c, graph.h, gthr-aix.h, gthr-dce.h, gthr-posix.h,
gthr-rtems.h, gthr-single.h, gthr-solaris.h, gthr-vxworks.h,
gthr-win32.h, gthr.h, haifa-sched.c, halfpic.c, halfpic.h,
hard-reg-set.h, hwint.h, ifcvt.c, input.h, insn-addr.h,
integrate.c, integrate.h, jump.c, lcm.c, libgcc2.c,
libgcc2.h, lists.c, local-alloc.c, loop.c, loop.h,
machmode.def, machmode.h, main.c, mbchar.c, mbchar.h,
mips-tdump.c, mips-tfile.c, mklibgcc.in, mkmap-flat.awk,
mkmap-symver.awk, optabs.c, output.h, params.c, params.def,
params.h, predict.c, predict.def, predict.h, prefix.c,
prefix.h, print-rtl.c, print-tree.c, profile.c, protoize.c,
read-rtl.c, real.c, real.h, recog.c, recog.h, reg-stack.c,
regclass.c, regmove.c, regrename.c, regs.h, reload.c,
reload.h, reload1.c, reorg.c, resource.c, resource.h, rtl.c,
rtl.def, rtl.h, rtlanal.c, sbitmap.c, sbitmap.h,
sched-deps.c, sched-ebb.c, sched-int.h, sched-rgn.c,
sched-vis.c, sdbout.c, sdbout.h, sibcall.c, simplify-rtx.c,
ssa-ccp.c, ssa-dce.c, ssa.c, ssa.h, stmt.c, stor-layout.c,
stringpool.c, system.h, timevar.c, timevar.def, timevar.h,
tlink.c, toplev.c, toplev.h, tree.c, tree.def, tree.h,
tsystem.h, unroll.c, unwind-dw2-fde.c, unwind-dw2-fde.h,
unwind-dw2.c, unwind-pe.h, unwind-sjlj.c, unwind.h,
unwind.inc, varasm.c, varray.c, varray.h, xcoffout.c,
xcoffout.h: replace "GNU CC" with "GCC".
From-SVN: r45105
|
|
* rtl.h (only_sets_cc0_p): New prototype.
* jump.c (sets_cc0_p): Handle INSN.
(only_sets_cc0_p): New function.
* flow.c (merge_blocks_nomove): Use only_sets_cc0_p.
(tidy_fallthru_edge): Likewise.
* integrate.c (copy_insn_list): Likewise.
* unroll.c (unroll_loop): Likewise.
(copy_loop_body): Likewise.
From-SVN: r44927
|
|
From-SVN: r44846
|
|
* alias.c (nonlocal_mentioned_p):
Rename CONST_CALL_P to CONST_OR_PURE_CALL_P
* calls.c (emit_call_1): Likewise.
* cse.c (cse_insn, invalidate_skipped_block): Likewise.
* cselib.c (cselib_process_insn): Likewise.
* df.c (df_insns_modify): Likewise.
* flow.c (need_fake_edge_p): Likewise.
(propagate_one_insn): Likewise.
* haifa-sched.c (reemit_notes): Likewise.
* integrate.c (copy_insn_list): Likewise.
* jump.c (delete_prior_computation): Likewise.
* local-alloc.c (validate_equiv_mem): Likewise.
* loop.c (scan_loop): Likewise.
* predict.c (estimate_probability): Likewise.
* reload.c (reload): Likewise.
* sched-deps (sched_analyze): Likewise.
* rtl.h (CONST_CALL_P): rename to CONST_OR_PURE_CALL_P.
* gcse.c (compute_hash_table): Likewise.
(mark_call): Likewise.
(store_killed_in_insn): Likewise.
From-SVN: r44688
|
|
create loop pre_header.
* jump.c (duplicate_loop_exit_test): Better test for jumps
entering the loop; create loop pre_header.
From-SVN: r44512
|
|
* jump.c: Add prototype for mark_modified_reg.
* cse.c (set_live_p): Add unused attribute.
* gcov.c (calculate_branch_probs): Use gcov_type to avoid
overflow.
(scan_for_source_files): Use long for count to avoid overflow.
(output_data): Likewise.
(output_data): Don't use string concatatenation to silence gcc
-traditional.
* predict.c: Fix typos and grammar.
* gcse.c (insert_insn_end_bb): Remove unused variables.
For cp:
* decl2.c: Remove unused var global_temp_name_counter.
From-SVN: r44479
|
|
* rtl.h (cleanup_barriers): Declare.
* jump.c (cleanup_barriers): New function.
* toplev.c (rest_of_compilation): Call cleanup_barriers
before loop optimizer and after bb_reorder.
* flow.c (back_edge_of_syntactic_loop_p): New.
(split_edge): Use it.
From-SVN: r44409
|
|
* jump.c: Update comments.
(delete_barrier_successors, delete_unreferenced_labels,
delete_noop_moves, tension_vector_labels, delete_from_jump_chain,
delete_labelref_insn, redirect_tablejump, jump_optimize_1,
jump_optimize, jump_optimize_minimal): Kill.
(rebuild_jump_labels): Move code from jump_optimize_1.
(purge_line_number_notes): Likewise.
(copy_loop_headers): Likewise.
* reg-stack.c: Update comment.
* stmt.c: Likewise.
* rtl.h (jump_optimize, jump_optimize_1, JUMP_NOOP_MOVES,
JUMP_AFTER_REGSCAN): Kill.
* toplev.c (rest_of_compilation): Use cleanup_cfg, call
purge_line_number_notes and copy_loop_headers.
From-SVN: r44245
|
|
* flow.c (redirect_edge_and_branch): Bail out on complex edges.
(try_optimize_cfg): Do not remove tail recursive labels before sibcall.
* jump.c (mark_jump_label): Do not forward branches.
Co-Authored-By: Jan Hubicka <jh@suse.cz>
From-SVN: r44118
|
|
* emit-rtl.c (try_split): Update mark_jump_label call.
* flow.c (find_sub_basic_blocks): Likewise.
* jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
jump_back_p): Kill.
(mark_all_labels): Kill second parameter.
(jump_optimize, jump_optimize_1): Kill cross_jump parameter.
(rebuild_jump_labels, jump_optimize_minimal): Update call
of jump_optimize_1.
(jump_optimize_1): Kill crossjumping code.
(mark_jump_label): Kill cross_jump parameter.
* rtl.h (mark_jump_label, jump_optimize): Update prototypes.
(JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
* reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
splitting.
* toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
DFI_bpro.
(dump_file_info): Likewise.
(rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
reorganize passes to do reg-stack first, bb-reorder second.
* invoke.texi (-d letters doc): Remove the jump2 pass.
From-SVN: r44008
|
|
* ifcvt.c (find_cond_trap): New.
(find_if_header): Call it.
(merge_if_block): Relax existing jump sanity check.
* jump.c (jump_optimize_1): Remove conditional trap handling.
* gcc.dg/iftrap-1.c: New.
From-SVN: r44006
|
|
2001-07-13 Kazu Hirata <kazu@hxi.com>
* jump.c (reversed_comparison_code_parts): Fix comment typos.
From-SVN: r43990
|
|
From-SVN: r43986
|
|
* emit-rtl.c (try_split): Update mark_jump_label call.
* flow.c (find_sub_basic_blocks): Likewise.
* jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
jump_back_p): Kill.
(mark_all_labels): Kill second parameter.
(jump_optimize, jump_optimize_1): Kill cross_jump parameter.
(rebuild_jump_labels, jump_optimize_minimal): Update call
of jump_optimize_1.
(jump_optimize_1): Kill crossjumping code.
(mark_jump_label): Kill cross_jump parameter.
* rtl.h (mark_jump_label, jump_optimize): Update prototypes.
(JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
* reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
splitting.
* toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
DFI_bpro.
(rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
reorganize passes to do reg-stack first, bb-reorder second.
* invoke.texi (-d letters doc): Remove the jump2 pass.
From-SVN: r43979
|
|
edge is present.
* flow.c (merge_blocks_move_successor_nojumps): Do not crash
when fallthru edge is present.
(mege_blocks): Handle case where creation of jump insn
is required.
* basic-block.h (CLEANUP_EXPENSIVE, CLEANUP_CROSSJUMP,
CLEANUP_POST_REGSTACK): New constants.
* except.c (finish_eh_generation): Update call of cleanup_cfg,
* jump.c (rtx_renumbered_equal_p): Handle 't' fields.
* output.h (cleanup_cfg): Update prototype.
* reg-stack.c (reg_to_stack): Use cleanup_cfg instead of jump_optimize
* sibcall.c (optimize_sibling_and_tail_recursive_call): Update
cleanup_cfg call; kill missleading comment.
* toplev.c (rest_of_compilation): Update all cleanup_cfg calls.
* flow.c (merge_blocks, try_optimize_cfg, cleanup_cfg): Accept mode
parameter; control optimizations performed using it.
(flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
try_crossjump_bb): New functions.
From-SVN: r43950
|
|
From-SVN: r43189
|
|
* predict.def: New file.
* predict.h: New file.
* predict.c: Include predict.h.
(predictor_info): New structure and array.
(predict_edge, predict_insn): Rewrite; make global.
(predict_edge_def, predict_insn_def): New global functions.
(dump_prediction, combine_predictions_for_insns): New
static functions.
(estimate_probability): Change calls to predict_edge
to predict_edge_def and calls to predict_insn to predict_insn_def;
combine probabilities.
(expected_value_to_br_prob): Behave as predictor.
* rtl.h (REG_BR_PRED): Update coment.
(invert_br_probabilities): New.
* jump.c: Include predict.h
(duplicate_loop_exit_test): Drop branch prediction notes.
(invert_jump): Use invert_br_probabilities.
* Makefile.in: Add dependancy on predict.h for jump and predict pass.
* ifcvt.c (dead_or_predicable): Use invert_br_probabilities.
* combine.c (distribute_notes): Handle BR_PRED.
From-SVN: r43115
|
|
represented by a hard register.
* jump.c (mark_modified_reg): Allow jump threading if condition
codes are represented by a hard register.
From-SVN: r43030
|
|
From-SVN: r42491
|
|
From-SVN: r42327
|
|
* jump.c (jump_optimize_1): Tidy.
(mark_jump_label): When changing the label in a LABEL_REF, change
update any REG_EQUAL notes as well.
From-SVN: r42318
|
|
* jump.c (jump_optimize_1): Do not wrap the new jump target
inside a LABEL_REF; gen_jump will do that automatically.
From-SVN: r41947
|
|
* ifcvt.c (merge_if_block): Use any_uncondjump_p, not simplejump_p
to determine if a block has an unconditional jump at its end.
* jump.c (jump_optimize_1): When converting a conditional jump
to an unconditional jump, build the jump using gen_jump instead
of just modify operands in-place.
From-SVN: r41939
|
|
* c-lex.c: NULL_PTR -> NULL.
* cse.c: Likewise.
* emit-rtl.c: Likewise.
* gcse.c: Likewise.
* genpeep.c: Likewise.
* jump.c: Likewise.
* mips-tdump.c: Likewise.
* reload1.c: Likewise.
* rtlanal.c: Likewise.
* stmt.c: Likewise.
* stor-layout.c: Likewise.
* toplev.c: Likewise.
From-SVN: r41761
|
|
ADDR_DIFF_VEC insns when...
* flow.c (propagate_block_delete_insn): Handle deletion of ADDR_VEC
and ADDR_DIFF_VEC insns when the proceeding CODE_LABEL was put
into the constant pool.
* jump.c (jump_optimize_1): Remove barrier successors after all
the LABEL_NUSES counds have been computed.
(delete_barrier_successors): When deleting a tablejump insn, also
delete the jump table it uses.
* varasm.c (force_const_mem): Set LABEL_PRESERVE_P when forcing a
label into memory.
From-SVN: r41662
|
|
* flow.c (proagate_one_insn): Remove useless assignment.
* jump.c (delete_insn): Tidy.
* loop.c (try_copy_prop): When deleting an instruction with a
REG_RETVAL note, delete the entire libcall sequence.
(loop_delete_insns): New function.
* unroll.c (initial_reg_note_copy): Copy INSN_LIST notes, even if
we're not substituting into them yet.
From-SVN: r41486
|
|
CALL_PLACEHOLDER insns.
* jump.c (mark_all_labels): Canonicalize the tail recursion
label attached to CALL_PLACEHOLDER insns.
From-SVN: r41400
|
|
* Makefile.in (toplev.o, jump.o, regmove.o): Depend on reload.h
* jump.c, regmove.c, toplev.c: Include reload.h.
* reload.h (reload_cse_regs): Declare.
* rtl.h (find_equiv_reg, operands_match_p, safe_from_earlyclobber,
reload_cse_regs, init_reload, mark_home_live, reload,
init_caller_save): Delete redundant prototypes.
From-SVN: r41338
|
|
* jump.c (jump_optimize_1): Don't delete dead stores here.
* toplev.c (rest_of_compilation): Call delete_trivially_dead_insns
prior to running jump optimize before cse2.
From-SVN: r41320
|
|
* rtl.h (set_noop_p): Declare.
* flow.c (set_noop_p): Move from here ...
* rtlanal.c (set_noop_p): ... to here and enhance.
* cse.c (delete_trivially_dead_insns): Use it.
* gcse.c (hash_scan_set): Likewise.
* jump.c (delete_noop_moves): Likewise.
* recog.c (split_all_insns): Likewise.
From-SVN: r41077
|
|
2001-04-03 Jakub Jelinek <jakub@redhat.com>
David S. Miller <davem@pierdol.cobaltmicro.com>
Andrew MacLeod <amacleod@redhat.com>
Use byte offsets in SUBREGs instead of words.
* alias.c (nonlocal_mentioned_p): Use subreg_regno function.
* caller-save.c (mark_set_regs): Change callers of subreg_hard_regno
to pass new argument.
(add_stored_regs): Use subreg_regno_offset function.
* calls.c (expand_call): For non-paradoxical SUBREG take endianess
into account.
(precompute_arguments): Use gen_lowpart_SUBREG.
* combine.c (try_combine): Replace explicit XEXP with SUBREG_REG.
(combine_simplify_rtx): Rework to use SUBREG_BYTE.
(simplify_set): Rework to use SUBREG_BYTE.
(expand_field_assignment): Use SUBREG_BYTE.
(make_extraction): Use SUBREG_BYTE.
(if_then_else_cond): Use SUBREG_BYTE.
(apply_distributive_law): Use SUBREG_BYTE and fixup subreg comments.
(gen_lowpart_for_combine): Compute full byte offset.
* cse.c (mention_regs): Use SUBREG_BYTE.
(remove_invalid_subreg_refs): Rework to use SUBREG_BYTE.
(canon_hash): Use SUBREG_BYTE.
(fold_rtx): Pass SUBREG_BYTE div UNITS_PER_WORD to operand_subword.
(gen_lowpart_if_possible): Formatting.
* dbxout.c (dbxout_symbol_location): Compute SUBREG hard regnos
correctly.
* dwarf2out.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
(mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
(loc_descriptor): Fixup explicit XEXP into SUBREG_REG
* dwarfout.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
(output_mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
(output_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
* emit-rtl.c (gen_rtx_SUBREG): New function, used to verify
certain invariants about SUBREGs the compiler creates.
(gen_lowpart_SUBREG): New function.
(subreg_hard_regno): New function to get the final register number.
(gen_lowpart_common): Use SUBREG_BYTE.
(gen_imagpart): Spacing nits.
(subreg_realpart_p): Use SUBREG_BYTE.
(gen_highpart): Use SUBREG_BYTE.
(subreg_lowpart_p): Always compute endian corrected goal offset,
even at the byte level, then compare against that.
(constant_subword): New function, pulled out all constant cases
from operand_subword and changed second argument name to offset.
(operand_subword): Detect non REG/SUBREG/CONCAT/MEM cases early
and call constant_subword to do the work. Return const0_rtx if
looking for a word outside of OP.
(operand_subword_force): Change second arg name to offset.
* expmed.c (store_bit_field): Use SUBREG_BYTE.
(store_split_bit_field): Use SUBREG_BYTE.
(extract_bit_field): Use SUBREG_BYTE.
(extract_split_bit_field): Use SUBREG_BYTE.
(expand_shift): Use SUBREG_BYTE.
* expr.c (store_expr, expand_expr): Use gen_lowpart_SUBREG.
* final.c (alter_subreg) Use subreg_hard_regno and SUBREG_BYTE.
* flow.c (set_noop_p): Use SUBREG_BYTE.
(mark_set_1): Remove ALTER_HARD_SUBREG. Use subreg_regno_offset instead.
* function.c (fixup_var_refs_1): Fixup explicit XEXP into a SUBREG_REG.
(fixup_memory_subreg): Use SUBREG_BYTE and remove byte endian
correction code.
(optimize_bit_field): Use SUBREG_BYTE.
(purge_addressof_1): Use SUBREG_BYTE.
(purge_single_hard_subreg_set): Use subreg_regno_offset function.
(assign_params): Mark arguments SUBREG_PROMOTED_VAR_P if they are
actually promoted by the caller and PROMOTE_FOR_CALLS_ONLY is true.
* gengenrtl.c (special_rtx): Add SUBREG.
* global.c (mark_reg_store): Use SUBREG_BYTE.
(set_preference): Rework to use subreg_regno_offset and SUBREG_BYTE.
* ifcvt (noce_emit_move_insn): Use SUBREG_BYTE.
* integrate.c (copy_rtx_and_substitute): Use SUBREG_BYTE and make sure
final byte offset is congruent to subreg's mode size.
(subst_constants): Use SUBREG_BYTE.
(mark_stores): Use subreg_regno_offset function.
* jump.c (rtx_renumbered_equal_p, true_regnum): Use subreg_regno_offset
function and SUBREG_BYTE.
* local-alloc.c (combine_regs): Use subreg_regno_offset function.
(reg_is_born): Use subreg_hard_regno.
* recog.c (valid_replace_rtx_1): Use SUBREG_BYTE and remove byte
endian correction code. Don't combine subregs unless resulting
offset aligns with type. Fix subreg constant extraction for DImode.
Simplify SUBREG of VOIDmode CONST_DOUBLE.
(general_operand): Remove dead mode_altering_drug code.
(indirect_operand): Use SUBREG_BYTE.
(constrain_operands): Use subreg_regno_offset function.
* reg-stack.c (get_true_reg): Use subreg_regno_offset function.
* regmove.c (regmove_optimize): Use SUBREG_BYTE.
(optimize_reg_copy_3): Use gen_lowpart_SUBREG.
* regs.h (REG_SIZE): Allow target to override.
(REGMODE_NATURAL_SIZE): New macro which target can override.
* reload.c (reload_inner_reg_of_subreg): subreg_regno should be used
on the entire subreg rtx.
(push_reload): Use SUBREG_BYTE in comments and code.
(find_dummy_reload): Use subreg_regno_offset. Only adjust offsets
for hard registers inside subregs.
(operands_match_p): Use subreg_regno_offset.
(find_reloads): Use SUBREG_BYTE and only advance offset for subregs
containing hard regs.
(find_reload_toplev): Use SUBREG_BYTE. Remove byte endian
corrections when fixing up MEM subregs.
(find_reloads_address_1): Use SUBREG_BYTE, subreg_regno, and
subreg_regno_offset where appropriate.
(find_reloads_subreg_address): Use SUBREG_BYTE. Remove
byte endian corrections when fixing up MEM subregs.
(subst_reloads): When combining two subregs, make sure final
offset is congruent to subreg's mode size.
(find_replacement): Use SUBREG_BYTE and subreg_regno_offset.
(refers_to_regno_for_reload_p): Use subreg_regno.
(reg_overlap_mentioned_for_reload_p): Use subreg_regno_offset.
* reload1.c (eliminate_regs) Use SUBREG_BYTE. Remove byte endian
correction code for memory subreg fixups.
(forget_old_reload_1): Use subreg_regno_offset.
(choose_reload_regs): Use subreg_regno.
(emit_input_reload_insns): Use SUBREG_BYTE.
(reload_combine_note_store): Use subreg_regno_offset.
(move2add_note_store): Use subreg_regno_offset.
* resource.c (update_live_status, mark_referenced_resources): Use
subreg_regno function.
(mark_set_resources): Use subreg_regno function.
* rtl.h (SUBREG_WORD): Rename to SUBREG_BYTE.
(subreg_regno_offset, subreg_regno): Define prototypes.
(subreg_hard_regno, constant_subword, gen_rtx_SUBREG): Newi functions.
(gen_lowpart_SUBREG): Add prototype.
* rtl.texi (subreg): Update to reflect new byte offset representation.
Add mentioning of the effect that BYTES_BIG_ENDIAN has on subregs now.
* rtlanal.c (refers_to_regno_p): Use subreg_regno.
(reg_overlap_mentioned_p): Use subreg_regno.
(replace_regs); Make sure final offset of combined subreg is
congruent to size of subreg's mode.
(subreg_regno_offset): New function.
(subreg_regno): New function.
* sched-vis.c (print_value): Change SUBREG_WORD to SUBREG_BYTE.
* sdbout.c (sdbout_symbol): Compute offset using alter_subreg.
* stmt.c (expand_anon_union_decl): Use gen_lowpart_SUBREG.
* tm.texi (ALTER_HARD_SUBREG): Remove, it is now dead.
(SUBREG_REGNO_OFFSET): Describe SUBREG_REGNO_OFFSET overrides.
* config/a29k/a29k.c (gpc_reg_operand): Use subreg_regno.
(a29k_get_reloaded_address): Use SUBREG_BYTE.
(print_operand): Use SUBREG_BYTE.
* config/alpha/alpha.c (print_operand_address): Use SUBREG_BYTE.
* config/arm/arm.c (arm_reload_in_hi): Use SUBREG_BYTE.
(arm_reload_out_hi): Use SUBREG_BYTE.
* config/d30v/d30v.c (d30v_split_double): Use subreg_regno_offset
instead of SUBREG_WORD.
(d30v_print_operand_memory_reference): Use subreg_regno_offset.
* config/dsp16xx/dsp16xx.md (extendqihi2, zero_extendqihi2): Fix
SUBREG creation to use byte offset.
* config/h8300/h8300.md (Unnamed HImode zero extraction and 16bit
inverted load insns): Fix explicit rtl subregs to use byte
offsets.
* config/i370/i370.md (cmpstrsi, movstrsi, mulsi3, divsi3,
udivsi3, umodsi3): Generate SUBREGs with byte offsets.
* config/i860/i860.c (single_insn_src_p): Use SUBREG_BYTE.
* config/i860/i860.md (mulsi3_big): Fixup explicit SUBREGs in rtl
to use byte offsets.
(unnamed fmlow.dd insn): Fixup SUBREGS to use byte offsets.
* config/i960/i960.md (extendhisi2): Generate SUBREGs with byte
offsets, also make sure it is congruent to SUBREG's mode size.
(extendqisi2, extendqihi2, zero_extendhisi2, zero_extendqisi2,
unnamed ldob insn): Generate SUBREGs with byte offset.
(zero_extendqihi2): SUBREG's are byte offsets.
* config/m68hc11/m68hc11.c (m68hc11_gen_lowpart): Use SUBREG_BYTE.
(m68hc11_gen_highpart): Use SUBREG_BYTE.
* config/m68k/m68k.md (zero_extendhisi2, zero_extendqihi2,
zero-extendqisi2): Generate SUBREGs with byte offset.
(umulsidi3, mulsidi3, subreghi1ashrdi_const32,
subregsi1ashrdi_const32, subreg1lshrdi_const32): Fixup explicit
subregs in rtl to use byte offsets.
* config/m88k/m88k.md (extendsidi2): fixup subregs to use byte offset.
* config/mips/mips.c (mips_move_1word): Use subreg_regno_offset.
(mips_move_2words): Use subreg_regno_offset.
(mips_secondary_reload_class): Use subreg_regno_offset.
* config/mips/mips.md (DImode plus, minus, move, and logical op
splits): Fixup explicit subregs in rtl to use byte offsets.
* config/mn10200/mn10200.c (print_operand): Use subreg_regno function.
* config/mn10300/mn10300.c (print_operand): Use subreg_regno function.
* config/ns32k/ns32k.md (udivmoddisi4): Fix explicit subregs in
rtl to use byte offsets.
* config/pa/pa.c (emit_move_sequence): Use SUBREG_BYTE.
* config/pa/pa.md (floatunssisf2, floatunssidf2, mulsi3): fix explicit
subregs to use byte offsets.
* config/pdp11/pdp11.md (zero_extendhisi2, modhi3, modhi3+1):
Fixup explicit subregs in rtl to use byte offsets.
* config/romp/romp.c (memory_offset_in_range_p): Use SUBREG_BYTE
and remove byte endian correction code.
* config/sh/sh.c (output_movedouble): Use subreg_regno.
(gen_ashift_hi): Use SUBREG_BYTE.
(regs_used): Use subreg_regno_offset.
(machine_dependent_reorg): Use subreg_regno_offset.
* config/sh/sh.h (INDEX_REGISTER_RTX_P): Use SUBREG_BYTE.
* config/sh/sh.md (DImode and DFmode move splits): Use subreg_regno.
(movdf_i4): Subregs are byte offsets now.
* config/sparc/sparc.c (ultra_find_type): Use SUBREG_BYTE.
* config/sparc/sparc.h (ALTER_HARD_SUBREG): Removed.
(REGMODE_NATURAL_SIZE): Override.
(REG_SIZE): For SUBREG check float mode on SUBREG_REG's mode.
* config/sparc/sparc.md (TFmode move splits): Generate SUBREGs
with byte offsets.
(zero_extendhisi2, zero_extendqidi2_insn, extendhisi2,
extendqihi2, sign_extendqihi2_insn, sign_extendqisi2_insn,
extendqidi2): Generate SUBREGs with byte offsets, also make sure
it is congruent to SUBREG's mode size.
(smulsi3_highpart_v8plus): Fix explicit subregs in rtl to use byte
offsets.
(cmp_siqi_trunc, cmp_siqi_trunc_set, cmp_diqi_trunc,
cmp_diqi_trunc_set, lshrdi3_v8plus+1, lshrdi3_v8plus+2,
lshrdi3_v8plus+3, lshrdi3_v8plus+4): Use proper
SUBREG_BYTE offset for non-paradoxical subregs in patterns.
* config/v850/v850.c (print_operand, output_move_double): Use
subreg_regno function.
Co-Authored-By: Andrew MacLeod <amacleod@redhat.com>
Co-Authored-By: David S. Miller <davem@pierdol.cobaltmicro.com>
From-SVN: r41058
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