* config/rs6000/rs6000.h (machine_function): Add ra_need_lr.
* config/rs6000/rs6000.c (rs6000_return_addr): Set it.
(rs6000_emit_prologue): Save FPRs inline if set.
From-SVN: r69645
* cfgcleanup.c (merge_blocks_move_successor_nojumps): Use tablejump_p.
* rtlanal.c (tablejump_p): Use next_active_insn for finding the jump
table.
From-SVN: r69637
PR optimization/11536
* unroll.c (loop_iterations): Do not replace a register holding
the final value by its equivalent before the loop if it is not
invariant.
PR optimization/11536
* gcc.dg/20030721-1.c: New test.
From-SVN: r69635
2003-07-20 Phil Edwards <pme@gcc.gnu.org>
* configure.in: Cache the results of testing for cmp's capabilities.
* configure: Regenerate.
From-SVN: r69607
(push_label_level, pop_label_level): Kill.
(struct binding_level): Rename level_chain to outer.
Add outer_function field. Change parm_flag, function_body,
keep, keep_if_subblocks to 1-bit bitfields of type bool.
(current_function_level): New variable.
(keep_next_level_flag, keep_next_if_subblocks): Change type to bool.
(keep_next_level, declare_parm_level, warn_if_shadowing):
Update to match.
(struct language_function): Kill named_labels, shadowed_labels fields.
(c_init_decl_processing, start_function, c_push__function_context)
(c_pop_function_context): No need to muck with named_labels nor
shadowed_labels.
(make_binding_level): No need to clear the structure here.
(pop_binding_level): Always operate on current_binding_level.
Update current_function_level if necessary.
(pushlevel): Don't clear named_labels. Update current_function_level
if necessary. Use "true" and "false" where appropriate.
(poplevel): Diagnose labels defined but not used, or vice
versa, and clear out label-meanings leaving scope, while
walking down the decls list, for all binding levels.
Handle LABEL_DECLs appearing in the shadowed list.
pop_binding_level takes no arguments.
(pushdecl_function_level): Use current_function_level.
(make_label, bind_label): New static functions.
(declare_label): New exported function.
(lookup_label, define_label): Rewritten for new data structure.
(shadow_label): Kill.
* c-tree.h: Prototype declare_label; don't prototype
push_label_level, pop_label_level, nor shadow_label.
* c-parse.in: Remove all calls to push_label_level and
pop_label_level. Use declare_label for __label__ decls.
* doc/extend.texi: Clarify that __label__ can be used to
declare labels with local scope in any nested block, not
just statement expressions. Cross-reference nested functions
section from local labels section.
testsuite:
* gcc.dg/noncompile/label-1.c: New comprehensive test case for
diagnostics of ill-formed constructs involving labels.
* gcc.dg/noncompile/label-lineno-1.c: Add error regexp for
the new 'previously defined here' message.
From-SVN: r69597
2003-07-18 Richard Henderson <rth@redhat.com>
* optabs.c (prepare_operand): Fail gracefully instead of abort
if the predicate doesn't satisfy.
(gen_cond_trap): Allow prepare_operand to fail.
From-SVN: r69578
* Makefile.in (ifcvt.o): Add cfgloop.h.
* basic-block.h (EDGE_LOOP_EXIT): New flag.
* cfgrtl.c (rtl_verify_flow_info_1): Handle it correctly.
* ifcvt.c: Include cfgloop.h.
(mark_loop_exit_edges): New static function.
(if_convert): Call it.
(find_if_header): Ignore branches out of loops.
From-SVN: r69572
PR target/11087
* loop.c (basic_induction_var): Check if convert_modes emitted any
instructions. Remove them and return 0 if so.
* gcc.c-torture/execute/20030717-1.c: New test.
From-SVN: r69552
* toplev.c (rest_of_handle_addresof): Rename into
rest_of_handle_addressof. Delete unreachable blocks
if dead edges were purged after the addressof pass.
From-SVN: r69545
* c-decl.c (pushdecl_function_level): Make static, return nothing.
(kept_level_p): Fold into poplevel.
(undeclared_variable): Moved here from c-typeck.c. Export.
* c-tree.h (KEEP_YES, KEEP_NO, KEEP_MAYBE): New #defines.
(undeclared_variable): Prototype here. Don't prototype
kept_level_p nor pushdecl_function_level.
* c-parse.in: Change first argument to poplevel from
"kept_level_p()" to "KEEP_MAYBE".
* c-typeck.c (undeclared_variable): Moved to c-decl.c.
From-SVN: r69540
PR optimization/11557
* calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK
unless we know which function is being called.
PR optimization/11557
* gcc.dg/20030717-1.c: New test.
From-SVN: r69538
* fold-const.c (const_binop): Avoid performing the FP operation at
compile-time, if either operand is NaN and we honor signaling NaNs,
or if we're dividing by zero and either flag_trapping_math is set
or the desired mode doesn't support infinities.
(fold_initializer): New function to fold an expression ignoring any
potential run-time exceptions or traps.
* tree.h (fold_initializer): Prototype here.
* c-typeck.c (build_binary_op): Move to the end of the file so
that intializer_stack is in scope. If constructing an initializer,
i.e. when initializer_stack is not NULL, use fold_initializer to
fold expressions.
* simplify-rtx.c (simplify_binary_operation): Likewise, avoid
performing FP operations at compile-time, if they would raise an
exception at run-time.
From-SVN: r69533
* c-opts.c (this_input_filename): New.
(finish_options): Take new parameter, name of file being compiled.
Update callers. Set this_input_filename.
(push_command_line_include): Use this_input_filename not
main_input_filename.
From-SVN: r69526
* c-decl.c: Fix typos in several comments. Remove all
#if 0 blocks; reindent as needed. Remove unused argument
to declare_parm_level; all callers changed.
* c-parse.in: Update calls to declare_parm_level. Avoid
issuing a double warning in some circumstances.
* c-typeck.c: Update calls to declare_parm_level.
* c-tree.h: Update prototype of declare_parm_level.
* c-pragma.c (apply_pragma_weak): Don't complain about a
redundant #pragma weak.
* objc/objc-act.c (forward_declare_categories,
build_selector_reference_decl, build_class_reference_decl,
build_objc_string_decl, synth_forward_declarations,
build_protocol_reference): Set TREE_PUBLIC on synthetic
forward decl to 0, consistent with eventual definition.
Correct comments to match.
cp:
* pt.c (get_bindings): Make definition consistent with
forward declaration.
From-SVN: r69519
* fixinc/inclhack.def (solaris_mutex_init_2): Escape braces
in regexp that don't form a range expression.
* fixinc/fixincl.def: Regenerate.
From-SVN: r69517
PR target/10907
* config/ia64/ia64.c (ia64_epilogue_uses): GP is live at end
even with !TARGET_CONST_GP.
(ia64_function_ok_for_sibcall): Reject non-local functions.
From-SVN: r69515
PR other/11466
* doc/invoke.texi (SPARC Options): Document "-mlittle-endian"
and its restrictions for the SPARC64 port.
Move the entry of "-mimpure-text" before that of "-mv8".
From-SVN: r69497
* doc/install.texi (*-*-solaris2*): Document the step-by-step
procedure to bootstrap and install.
Document the preference for the legacy Sun tools in /usr/bin
over the POSIX tools in /usr/xpg4/bin for the build process.
Co-Authored-By: Phil Edwards <phil@jaj.com>
From-SVN: r69495
* loop.c (check_ext_dependent_givs): Pass const struct loop *
instead of struct loop_info * as argument. Accept BIVs with
increment +/- 1 provided there is a friendly exit test against
a loop-invariant value.
(strength_reduce): Adapt call to check_ext_dependent_givs.
From-SVN: r69489
2003-07-16 J"orn Rennecke <joern.rennecke@superh.com>
Con Bradley <con.bradley@superh.com>
* sh-protos.h (sh_get_pr_initial_val): Declare.
* sh.c (regno_reg_class): Make its elements type enum reg_class.
(output_stack_adjust): Remove emit_fn argument. Add epilogue_p
and live_regs_mask arguments. Changed all callers.
(save_schedule_s): New structure.
(save_schedule): New typedef.
(scavenge_reg, sh5_schedule_saves, sh5_schedule_saves): New functions.
(calc_live_regs): For TARGET_SHMEDIA, use leaf_function_p.
In interrupts handlers, also save registers that are usually
partially saved, and make sure there is at least one general purpose
register saved if a target register needs saving.
Add casts in comparisons to avoid warnings.
(sh_media_register_for_return): return -1 for interrupt handlers.
(MAX_SAVED_REGS, MAX_TEMPS): New defines.
(sh_expand_prologue): Use sh5_schedule_saves. Check that any temp
registers used are available.
Set RTX_FRAME_RELATED_P where appropriate.
Add an REG_FRAME_RELATED_EXPR for r0 + offset addressing.
(sh_expand_epilogue, sh_set_return_address): Use sh5_schedule_saves.
(initial_elimination_offset): Likewise.
* sh.h (DWARF_CIE_DATA_ALIGNMENT): Set to -4.
(LOCAL_ALIGNMENT, GENERAL_REGISTER_P): Add casts to avoid warnings.
(FP_REGISTER_P): Add casts to fix broken handling of unsigned REGNO.
(XD_REGISTER_P, TARGET_REGISTER_P): Likewise.
(HARD_REGNO_CALL_PART_CLOBBERED): Also yield nonzero for r15,
and for target registers.
(RETURN_IN_MEMORY): Add parentheses to avoid warnings.
(regno_reg_class): Make its elements type enum reg_class.
(CONSTRAINT_LEN): Don't use isdigit.
(FUNCTION_ARG_REGNO_P): Add casts to avoid warnings.
(FUNCTION_ARG): Add parentheses to avoid warnings.
(RETURN_ADDR_RTX): Use sh_get_pr_initial_val.
(RETURN_ADDR_OFFSET): Define to -1 for TARGET_SH5.
(SH_DBX_REGISTER_NUMBER): Add casts to avoid warnings.
(EH_RETURN_DATA_REGNO): Use unsigned constants to avoid warnings.
* sh.md (xordi3+1): Remove unused variable regno.
(return_media): Check that tr0 is available before using it.
Co-Authored-By: Con Bradley <con.bradley@superh.com>
From-SVN: r69480
2003-07-17 Andrew Pinski <pinskia@physics.uc.edu>
Partial Fix PR/10129
* config/darwin.c (machopic_function_base_name): Only Return "<pic base>".
(machopic_output_function_base_name): New; print the true pic label.
(machopic_classify_ident): Pic Base is always a defined data.
* config/darwin.h (ASM_OUTPUT_LABELREF): Support the pic base label.
* config/darwin-proto.h (machopic_output_function_base_name): Prototype.
From-SVN: r69472
2003-05-02 Andrew Pinski <pinskia@physics.uc.edu>
* gcse.c (gcse_constant_p): COMPARE of the same registers is a constant
if they are not floating point registers.
From-SVN: r69471
2003-07-16 Andrew Pinski <pinskia@physics.uc.edu>
ChangeLog:
PR c/10962
* ggc.h: Add header guards.
* c-decl.c (finish_struct): Sort fields if
number greater than 15 and there are no
anonymous structs/unions.
* c-common.h: Include ggc.h.
(sorted_fields_type): New struct.
(field_decl_cmp): New prototype.
(resort_sorted_fields): New prototype.
(DECL_DECLARES_TYPE_NON_TEMPLATE_P): New macro.
* c-tree.h: (lang_type): Use pointer to sorted_fields_type
as s, removing other fields.
* c-typeck.c (lookup_field): Use s in lang_type.
These were mostly moved from cp/class.c:
* c-common.c (field_decl_cmp): New static function.
(field_decl_cmp): New function.
(resort_sorted_fields): New function.
cp/ChangeLog:
* class.c (field_decl_cmp): Remove.
(resort_field_decl_cmp): Remove.
(resort_sorted_fields): Remove.
(add_fields_to_vec): Rename to ...
(add_fields_to_record_type): this.
(finish_struct_1): Change to be using
sorted_fields_type's fields.
* cp-tree.h (lang_decl): In lang_decl_u3
change sorted_fields to be a pointer to
sorted_fields_type.
(resort_sorted_fields): Remove prototype.
* search.c (lookup_field_1): Change to be using
sorted_fields_type's fields.
From-SVN: r69470
* config/mmix/mmix-protos.h: Convert prototypes to ISO C90.
* config/mmix/mmix.c: Convert functions to ISO C90.
(mmix_eh_return_handler_rtx, mmix_output_shifted_value): Tweak
formatting.
(mmix_get_hard_reg_initial_val): Tweak section head comment.
From-SVN: r69466
PR c++/5421
* decl.c (grokdeclarator): Handle TEMPLATE_ID_EXPR if friend
is a member of other class.
* friend.c (do_friend): Don't build TEMPLATE_DECL if friend
is a specialization of function template.
* g++.dg/template/friend21.C: New test.
From-SVN: r69457
* unwind-dw2.c (MD_FROB_UPDATE_CONTEXT): Define.
(uw_update_context_1): Use it.
* config/rs6000/rs6000.c (insn_after_throw): Remove.
(rs6000_aix_emit_builtin_unwind_init): Save $r2 to its location
in parent frame if _Unwind_* called directly instead of through
.plt.
(rs6000_emit_eh_toc_restore): Remove.
(rs6000_emit_prologue): Update stack pointer before doing any saving
if current_function_calls_eh_return. Generate unwind info for $r2.
(rs6000_emit_epilogue): Restore stack pointer after doing all
restoring if current_function_calls_eh_return. Restore $r2.
* config/rs6000/rs6000-protos.h (rs6000_emit_eh_toc_restore): Remove.
* config/rs6000/rs6000.md (eh_return): Remove call to
rs6000_emit_eh_toc_restore.
* config/rs6000/linux64.h (MD_FROB_UPDATE_CONTEXT): Define.
* config/rs6000/aix.h (MD_FROB_UPDATE_CONTEXT): Define.
* gcc.dg/cleanup-8.c: New test.
* gcc.dg/cleanup-9.c: New test.
From-SVN: r69450
* expr.c (emit_block_move): Don't move anything if size is const 0.
(clear_storage): Test against const0_rtx instead of comparing INTVAL
against 0.
From-SVN: r69441
2003-07-15 David S. Miller <davem@redhat.com>
* config/sparc/sparc.c (sparc_nonflat_function_epilogue): Only
emit nop if the last real insn is CALL_INSN.
From-SVN: r69440
* g++.dg/ext/dll-MI1.h: New file.
* g++.dg/ext/dllexport-MI1.C: New file.
* g++.dg/ext/dllimport-MI1.C: New file.
ChangeLog: Remove 'testsuite/' from 2003-07-04 entry.
From-SVN: r69432
* config/i386/winnt.c (associated_type): Artificial methods are not
affected by the import/export status of their class unless they are
COMDAT.
(i386_pe_dllimport_p): Do not mark artificial methods as dllimport.
* config/i386/winnt.c: Fix GCC copyright comment.
From-SVN: r69431
2003-07-15 J"orn Rennecke <joern.rennecke@superh.com>
* dwarf2out.c (expand_builtin_init_dwarf_reg_sizes):
If DWARF_FRAME_RETURN_COLUMN doesn't have a register mode, use Pmode.
2003-07-15 J"orn Rennecke <joern.rennecke@superh.com>
Richard Henderson <rth@redhat.com>
* unwind-dw2.c (_Unwind_GetGR): Use dwarf_reg_size_table
to decide if to access a _Unwind_Ptr or a _Unwind_Word.
(_Unwind_SetGR): Likewise.
(_Unwind_GetPtr, _Unwind_SetSpColumn): New functions.
(Unwind_SpTmp): New typedef.
(uw_update_context_1): Use _Unwind_SetSpColumn and _Unwind_GetPtr.
(uw_update_context): Use _Unwind_GetPtr.
(init_dwarf_reg_size_table): Move above uw_init_context_1.
(uw_init_context_1): Initialize dwarf_reg_size_table if necessary.
Use _Unwind_SetSpColumn.
(uw_install_context_1): Don't initialize dwarf_reg_size_table.
Use _Unwind_GetPtr.
Co-Authored-By: Richard Henderson <rth@redhat.com>
From-SVN: r69424
PR debug/11473
* dbxout.c (dbxout_type): Use TYPE_SIZE to determine the sizes of
base classes.
PR debug/11473
* g++.dg/debug/debug8.C: New test.
From-SVN: r69414
PR target/10795
* config/i386/i386.c (ix86_expand_carry_flag_compare): Don't
swap comparison operands if doing so would generate an
unrecognizable insn.
From-SVN: r69407
PR optimization/11320
* sched-int.h (struct deps) [reg_conditional_sets]: New field.
(struct sched_info) [compute_jump_reg_dependencies]: New prototype.
* sched-deps.c (sched_analyze_insn) [JUMP_INSN]: Update call to
current_sched_info->compute_jump_reg_dependencies. Record which
registers are used and which registers are set by the jump.
Clear deps->reg_conditional_sets after a barrier.
Set deps->reg_conditional_sets if the insn is a COND_EXEC.
Clear deps->reg_conditional_sets if the insn is not a COND_EXEC.
(init_deps): Initialize reg_conditional_sets.
(free_deps): Clear reg_conditional_sets.
* sched-ebb.c (compute_jump_reg_dependencies): New prototype.
Mark registers live on entry of the fallthrough block and conditionally
set as set by the jump. Mark registers live on entry of non-fallthrough
blocks as used by the jump.
* sched-rgn.c (compute_jump_reg_dependencies): New prototype.
Mark new parameters as unused.
From-SVN: r69401
* gcc.dg/pch/inline-3.c: New file.
* gcc.dg/pch/inline-3.hs: New file.
* gcc.dg/pch/inline-4.c: New file.
* gcc.dg/pch/inline-4.hs: New file.
From-SVN: r69378
* fixinc/inclhack.def (avoid_bool_define, avoid_bool_type): Bypass
with __cplusplus, not "we must use the C++ compiler's type"
* fixinc/inclhack.def (void_null): Note that Interix needs this.
* fixinc/fixincl.x: Regenerate.
From-SVN: r69373
* unwind-dw2-fde-darwin.c (live_image_destructor): Get seen_objects
and unseen_objects from the global data before calling
__deregister_frame_info_bases.
(examine_objects): Insert objects into the seen_objects list,
not unseen_objects.
(_Unwind_Find_FDE): Always unlock the global object lists, even if
we couldn't allocate a data structure to put in it.
From-SVN: r69366
* objc/objc-act.h (CLASS_SUPER_NAME): Add a little typechecking.
(TYPE_PROTOCOL_LIST): Share use of type.context with C frontend.
(SET_TYPE_PROTOCOL_LIST): New.
* objc/objc-act.c (get_static_reference): Use SET_TYPE_PROTOCOL_LIST.
(get_object_reference): Likewise.
From-SVN: r69364
PR c++/11509
* pt.c (dependent_scope_ref_p): New function.
(value_dependent_expression_p): Use it.
(type_dependent_expression_p): Likewise.
* pt.c (tsubst_friend_function): Use reregister_specialization.
PR c++/11509
* g++.dg/template/crash6.C: New test.
From-SVN: r69363
* config/mips/mips.c (mips_expand_prologue): Use a single insn to
allocate 32768 bytes of stack. Use addition rather than subtraction
when a single insn is enough.
* config/mips/mips.md: Remove insns and splitters for subtracting
constants.
(subsi3): Only accept register operands.
(subsi3_internal): Likewise. Use for TARGET_MIPS16 as well.
(subdi3_internal_3, subsi3_internal_2): Likewise.
(casesi): Use expand_binop to subtract the lower bound.
From-SVN: r69357
* ggc-page.c (extra_order_size_table): Insns have 9 slots. Regs
don't have 2.
* ggc-page.c (struct globals): Add new fields to keep track of the
total allocated memory and overhead.
(ggc_print_statistics): Print them.
(ggc_alloc): Keep track of the total allocated memory and the
overhead.
* tree.c (dump_tree_statistics): Increase spacing.
(enum tree_node_kind): Move to ...
* tree.h (enum tree_node_kind): ... here.
(tree_node_counts, tree_node_sizes): Declare.
* doc/include/texinfo.tex: Upgrade to texinfo 4.6.
From-SVN: r69330
* doc/tm.texi (BLOCK_REG_PADDING): Describe.
* expr.h (struct locate_and_pad_arg_data): Add where_pad.
(emit_group_load, emit_group_store): Adjust declarations.
Remove most occurrences of #ifdef TREE_CODE.
* expr.c (emit_group_load): Add "type" param, and use
BLOCK_REG_PADDING to determine need for a shift. Optimize non-
aligned accesses if !SLOW_UNALIGNED_ACCESS.
(emit_group_store): Likewise.
(emit_push_insn, expand_assignment, store_expr, expand_expr): Adjust
emit_group_load and emit_group_store calls.
* calls.c (store_unaligned_arguments_into_pseudos): Tidy. Use
BLOCK_REG_PADDING to determine whether we need endian_correction.
(load_register_parameters): Localize vars. Handle shifting of
small values to the correct end of regs. Adjust emit_group_load
call.
(expand_call, emit_library_call_value_1): Adjust emit_group_load
and emit_group_store calls.
* function.c (assign_parms): Set mem alignment for stack slots.
Adjust emit_group_store call. Store values at the "wrong" end
of regs to the stack. Use BLOCK_REG_PADDING.
(locate_and_pad_parm): Save where_pad.
(expand_function_end): Adjust emit_group_load call.
* stmt.c (expand_value_return): Adjust emit_group_load call.
* Makefile.in (calls.o): Depend on $(OPTABS_H).
* config/rs6000/linux64.h (TARGET_LITTLE_ENDIAN): Redefine as 0.
(AGGREGATE_PADDING_FIXED, AGGREGATES_PAD_UPWARD_ALWAYS): Define.
(MUST_PASS_IN_STACK): Define.
(BLOCK_REG_PADDING): Define.
* config/rs6000/rs6000.h (struct rs6000_args): Remove orig_nargs.
(PAD_VARARGS_DOWN): Define in terms of FUNCTION_ARG_PADDING.
* config/rs6000/rs6000.c (init_cumulative_args): Don't set orig_nargs.
(function_arg_padding): !AGGREGATE_PADDING_FIXED compatibility code.
Act on AGGREGATES_PAD_UPWARD_ALWAYS.
From-SVN: r69318
