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608 Commits

Author SHA1 Message Date
Toshiyasu Morita
07444f1d90 fold-const.c (make_range): Always initialize arg0 and arg1. 
* fold-const.c (make_range): Always initialize arg0 and arg1.
        (fold): Simlarly for alt0 and alt1.
        * function.c (fixup_var_refs_insns): Initialize insn_list.
        (instantiate_virtual_regs_1): Initialize offset.
        * optabs.c (expand_binop): Initialize carry_in, carry_out, op0_xhigh
        and op1_xhigh.
        * stmt.c (expand_end_case): Initialize minval and maxval.

From-SVN: r26632
 1999-04-25 18:15:54 -06:00
Richard Henderson
4433e33948 function.c (assign_parms/STACK_BYTES): Revert last change, and that of 19 Nov. 
* function.c (assign_parms/STACK_BYTES): Revert last change,
        and that of 19 Nov.

From-SVN: r26624
 1999-04-25 06:09:33 -07:00
Richard Henderson
fb5eebb932 calls.c (emit_call_1): New arg rounded_stack_size; update callers. 
* calls.c (emit_call_1): New arg rounded_stack_size; update callers.
        Update pending_stack_adjust based on this value.
        (compute_argument_block_size): Include pending_stack_adjust in
        PREFERRED_STACK_BOUNDARY alignment.
        * function.c (assign_parms): Don't round to PREFERRED_STACK_BOUNDARY.

From-SVN: r26623
 1999-04-25 05:31:52 -07:00
John Wehle
54ff41b717 output.h (current_function_is_leaf, [...]): Declare. 
* output.h (current_function_is_leaf,
	current_function_uses_only_leaf_regs): Declare.
	* function.c (current_function_is_leaf,
	current_function_uses_only_leaf_regs): Define.
	(init_function_start): Initialize current_function_is_leaf
	and current_function_uses_only_leaf_regs.
	* final.c (leaf_function): Don't define.
	(final_start_function): Replace uses of leaf_function with
	current_function_uses_only_leaf_regs.
	* toplev.c (rest_of_compilation): Set current_function_is_leaf
	prior to invoking local register allocation.
	(rest_of_compilation): Replace uses of leaf_function with
	current_function_uses_only_leaf_regs.
	* dbxout.c (dbxout_symbol, dbxout_parms): Likewise.
	* dwarf2out.c (add_location_or_const_vaule_attribute): Likewise.
	* dwarfout.c (add_location_or_const_value_attribute): Likewise.
	* sdbout.c (sdbout_symbol): Likewise.
	* sparc.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Likewise.
	* sparc.c (eligible_for_epilogue_delay, output_return,
	sparc_return_peephole_ok): Likewise.
	* sparc.md (leaf_function attribute, untyped_return): Likewise.
	* i386.c (ix86_compute_frame_size): Don't align the stack
	for leaf functions which don't allocate any stack slots.
	* tm.texi: Update documentation.

From-SVN: r26538
 1999-04-18 13:09:37 +00:00
Andreas Schwab
0f11903b49 function.c (assign_parms): Undo change of June 9. 
* function.c (assign_parms): Undo change of June 9.
Brought over from the gcc2 tree.

From-SVN: r26027
 1999-03-27 16:08:37 -07:00
Mark Mitchell
fe9b4957b5 function.c: Include hash.h. 
* function.c: Include hash.h.
	(insns_for_mem_entry): New struct.
	(put_reg_into_stack): Take an optional hash-table mapping MEMs to
	the INSNs that use them.
	(fixup_var_refs): Likewise.
	(put_addressof_into_stack): Likewise.
	(purge_addressof_1): Likewise.  Keep the hash-table up to date if
	we add new instructions.
	(fixup_var_refs_insns): Use it to avoid searching the entire
	instruction chain.
	(insns_for_mem_newfunc): New function.
	(insns_for_mem_comp): Likewise.
	(insns_for_mem_walk): Likewise.
	(compute_insns_for_mem): Likewise.
	(pop_function_context_from): Pass NULL for the hash-table.
	(put_var_into_stack): Likewise.
	(gen_mem_addressof): Likewise.
	(flush_addressof): Likewise.
	(purge_addressof): Call compute_insns_for_mem to pre-compute the
	hash table.
	* Makefile.in (OBJS): Include hash.o.
	(function.o): Depend on hash.h.
	* Makefile.in (OBJS): Don't mention hash.o.
	(OBJDEPS): Likewise.

From-SVN: r25922
 1999-03-23 07:51:12 +00:00
Kaveh R. Ghazi
54ea1de9f3 Warning fixes: 
* c-lex.c (yylex): Remove unused variable `bytes'.
        * flow.c (print_rtl_with_bb): Cast the return value of alloca.
        * function.c (assign_parms): Wrap variable `varargs_setup' in
        macro SETUP_INCOMING_VARARGS.
        (thread_prologue_and_epilogue_insns): Mark parameter `f' with
        ATTRIBUTE_UNUSED.
        * local-alloc.c (no_equiv): Likewise for parameter `store'.
        * sched.c (schedule_insns): Remove unused variables `insn' and `next'.
        * tlink.c (symbol_hash_newfunc, symbol_hash_lookup,
        file_hash_newfunc, file_hash_lookup, demangled_hash_newfunc,
        demangled_hash_lookup, symbol_push, symbol_pop, file_push,
        file_pop, tlink_init, tlink_execute, frob_extension,
        obstack_fgets, tfgets, pfgets, freadsym, read_repo_file,
        maybe_tweak, recompile_files, read_repo_files,
        demangle_new_symbols, scan_linker_output): Add static prototype.
        (symbol_hash_newfunc, file_hash_newfunc, demangled_hash_newfunc):
        Make the third argument a `hash_table_key'.
        * toplev.c (debug_start_source_file): Mark parameter `filename'
        with ATTRIBUTE_UNUSED.

From-SVN: r25871
 1999-03-20 19:21:31 +00:00
Kaveh R. Ghazi
91813b2835 Warning fixes: 
* calls.c (initialize_argument_information): Mark parameters
        `num_actuals' and `n_named_args' with ATTRIBUTE_UNUSED.
        * dbxout.c (dbxout_start_new_source_file): Likewise for parameter
        `filename'.
        (dbxout_finish): Likewise for parameters `file' and `filename'.
        (dbxout_prepare_symbol): Likewise for parameter `decl'.
        (dbxout_begin_function): Likewise.
        * explow.c (hard_function_value): Likewise for parameter `func'.
        * function.c (locate_and_pad_parm): Likewise for parameter `fndecl'.
        * expmed.c (expand_divmod): Omit unused argument to `expand_abs'.
        * expr.c (expand_expr): Likewise.
        * expr.h (expand_abs): Delete unused argument from prototype.
        * optabs.c (expand_abs): Remove unused parameter `unsignedp'.
        * sdbout.c (sdbout_init): Mark parameter `syms' with ATTRIBUTE_UNUSED.
        (sdbout_end_block): Likewise for parameter `n'.
        * toplev.c (debug_define): Likewise for parameters `lineno' and
        `buffer'.
        (debug_undef): Likewise.
        * varasm.c (named_section): Likewise for parameter 'reloc'.
        (assemble_external): Likewise for parameter `decl'.
        (assemble_alias): Likewise for parameter `target'.

From-SVN: r25858
 1999-03-19 08:50:14 +00:00
Richard Henderson
5f98f7c481 function.c (fixup_var_refs_1): First try moving the expression directly into a register. 
* function.c (fixup_var_refs_1): First try moving the expression
        directly into a register.  Don't separate cc0 setter and user.

From-SVN: r25821
 1999-03-17 04:17:02 -08:00
John Wehle
6f67a30d15 function.c (assign_stack_temp_for_type): Abort if mode == Blkmode and align is less than BIGGEST_ALIGNMENT / BITS_PER_UNIT. 
* function.c (assign_stack_temp_for_type): Abort
        if mode == Blkmode and align is less than
        BIGGEST_ALIGNMENT / BITS_PER_UNIT.
        (assign_stack_temp_for_type): Round the size parameter
        passed to assign_stack_local instead of size itself.
Bootstrapped on the PA and x86.

From-SVN: r25593
 1999-03-04 18:19:25 -07:00
Jeffrey A Law
202d316417 function.c (current_function_has_computed_jump): Remove duplicate definition. 
* function.c (current_function_has_computed_jump): Remove duplicate
        definition.

From-SVN: r25571
 1999-03-03 16:13:41 -07:00
Richard Henderson
e881bb1b1b Flow rewrite to use basic block structures and edge lists. 
From-SVN: r25450
 1999-02-25 15:45:42 -08:00
J"orn Rennecke
9ab70a9bd7 sh.h (PASS_IN_REG_P): For TARGET_HITACHI, don't pass structures in registers. 
* sh.h (PASS_IN_REG_P):  For TARGET_HITACHI, don't pass structures
	in registers.
	* expr.h (PRETEND_OUTGOING_VARARGS_NAMED): Provide default definition.
	* function.c (assign_parms): Honour PRETEND_OUTGOING_VARARGS_NAMED.
	* calls.c (expand_call): Likewise.
	* sh.c (sh_expand_prologue): For TARGET_HITACHI, don't push varargs /
	stdarg arguments.
	* sh.h (CPP_SPEC): Add -D__HITACHI__ for -mhitachi.
	(FUNCTION_ARG):  For TARGET_HITACHI, don't pass unnamed
	arguments in registers.
	(PRETEND_OUTGOING_VARARGS_NAMED): Define.
	* va-sh.h (entire file): If __HITACHI__ is defined, use sh[123]
	flavour varargs.

From-SVN: r25440
 1999-02-25 14:02:32 +00:00
Mark Mitchell
a4c6502a66 cse.c (dump_class): New function. 
* cse.c (dump_class): New function.
	(invalidate_memory): Fix typo in comment.
	* function.c (temp_slot): Add an alias set field.
	(assign_stack_temp): Only reuse slots if they will have the
	same alias set as before.
	(combine_temp_slots): Don't combine if -fstrict-aliasing;
	that's unsafe.
	* rtl.c (copy_rtx): Copy all the flags (in particular,
	MEM_SCALAR_P).

From-SVN: r25372
 1999-02-22 13:34:33 +00:00
Jeffrey A Law
c87a0a3994 function.c (assign_stack_temp_for_type): Round SIZE before calling assign_stack_local for BLKmode slots. 
* function.c (assign_stack_temp_for_type): Round SIZE before calling
        assign_stack_local for BLKmode slots.

From-SVN: r25290
 1999-02-18 10:51:58 -07:00
John Wehle
d16790f212 function.c (assign_stack_temp_for_type): Clear best_p when an exact match is found. 
* function.c (assign_stack_temp_for_type): Clear best_p
        when an exact match is found.
        * i386.h (LOCAL_ALIGNMENT): Define.
        * function.c (assign_stack_local, assign_outer_stack_local): Use it.
        (assign_stack_temp_for_type): New function based on assign_stack_temp.
        (assign_stack_temp): Call it.
        (assign_temp): Use assign_stack_temp_for_type, not assign_stack_temp.
        * stmt.c: Use assign_temp, not assign_stack_temp.
        * tm.texi: Document LOCAL_ALIGNMENT.

From-SVN: r25143
 1999-02-10 16:10:43 -07:00
Richard Henderson
acd693d10c output.h (current_function_has_computed_jump): Rename from current_function_addresses_labels. 
* output.h (current_function_has_computed_jump): Rename from
        current_function_addresses_labels.
        * function.h (struct function): Likewise for addresses_labels member.
        * rtl.h (FUNCTION_FLAGS_HAS_COMPUTED_JUMP): Likewise.
        * function.c (current_function_has_computed_jump): Likewise.
        Update all references.
        * integrate.c (function_cannot_inline_p):
        Test current_function_has_computed_jump instead of addresses_labels.
        (initialize_for_inline): Likewise save.
        (output_inline_function): Likewise restore.
        * expr.c (expand_expr): Don't reference addresses_labels variables.
        * stmt.c (expand_computed_goto): Set has_computed_jump.

From-SVN: r25100
 1999-02-08 13:39:33 -08:00
Dave Brolley
d33c2956a4 function.c (fixup_var_refs): Scan catch_clauses too. 
Fri Feb  5 17:08:01 1999  Dave Brolley  <brolley@cygnus.com>
        * function.c (fixup_var_refs): Scan catch_clauses too.

From-SVN: r25049
 1999-02-05 09:12:38 -05:00
Dave Brolley
89e99eea80 emit-rtl.c (remove_insn): New function. 
Fri Jan 29 18:26:07 1999  Dave Brolley  <brolley@cygnus.com>
	* emit-rtl.c (remove_insn): New function.
	* rtl.h (remove_insn): Add prototype.
	* function.c (reposition_prologue_and_epilogue_notes): Call remove_insn.

From-SVN: r24908
 1999-01-29 10:25:17 -05:00
J"orn Rennecke
d91dfff4d1 function.c (purge_addressof_1): Handle case when a register has been used in a wider mode. 
* function.c (purge_addressof_1): Handle case when a register
	has been used in a wider mode.

From-SVN: r24887
 1999-01-27 11:35:30 +00:00
Jeffrey A Law
ab87f8c8d1 Merge in gcc2 snapshot 19980929. See gcc/ChangeLog and gcc/FSFChangeLog for 
details.

From-SVN: r24879
 1999-01-26 18:43:17 -07:00
Jim Wilson
ea0f9a859f Fix i960 build failure with unrecognizable insn. 
* function.c (expand_function_end): Pass arg_pointer_save_area to
	validize_mem before using it.  Emit code into a sequence.

From-SVN: r24872
 1999-01-26 05:34:42 -08:00
Dave Brolley
efd8cba0c8 function.c (assign_parms): Save and restore setting of TREE_USED (parm). 
Wed Jan 20 18:15:08 1999  Dave Brolley  <brolley@cygnus.com>
	* function.c (assign_parms): Save and restore setting of
 	TREE_USED (parm).

From-SVN: r24789
 1999-01-20 10:26:31 -05:00
Mark Mitchell
c6df88cbec rtl.h (rtx_def): Update documentation. 
* rtl.h (rtx_def): Update documentation.
	(MEM_IN_STRUCT_P): Likewise.
	(MEM_SCALAR_P): New macro.
	(MEM_COPY_ATTRIBUTES): Likewise.
	(MEM_SET_IN_STRUCT_P): Likewise.
	* rtl.texi (MEM_SCALAR_P): Document.
	* alias.c (canon_rtx): Use MEM_COPY_ATTRIBUTES.
	(fixed_scalar_and_varying_struct_p): New function.  Use
	MEM_SCALAR_P rather than !MEM_IN_STRUCT_P.
	(aliases_everything_p): Likewise.
	(true_dependence): Use them.
	(write_dependence_p): New function, containing code common to
	anti_dependence and output_dependence.
	(anti_dependence): Use it.
	(output_dependence): Likewise.
	* calls.c (save_fixed_argument_area): Don't clear
	MEM_IN_STRUCT_P.
	(expand_call): Use MEM_SET_IN_STRUCT_P.
	(emit_library_call): Don't clear MEM_IN_STRUCT_P.
	(emit_library_call_value): Likewise.
	(store_one_arg): Use MEM_SET_IN_STRUCT_P.
	* combine.c (simplify_rtx): Use MEM_COPY_ATTRIBUTES.
	(make_extraction): Likewise.
	(simplify_shift_const): Likewise.
	(gen_lowpart_for_combine): Likewise.
	* cse.c (gen_lowpart_if_possible): Use MEM_COPY_ATTRIBUTES.
	* emit-rtl.c (operand_subword): Likewise.
	(change_address): Likewise.
	* explow.c (stabilize): Use MEM_COPY_ATTRIBUTES.
	* expr.c (protect_from_queue): Use MEM_COPY_ATTRIBUTES.
	(emit_group_store): Use MEM_SET_IN_STRUCT_P.
	(copy_blkmode_from_reg): Likewise.
	(store_field): Likewise.
	(expand_expr): Remove bogus guesswork setting MEM_IN_STRUCT_P
	heuristically.  Use MEM_SET_IN_STRUCT_P.
	(get_memory_rtx): Likewise.
	* final.c (alter_subreg): Use MEM_COPY_ATTRIBUTES.
	* function.c (assign_stack_temp): Clear MEM_SCALAR_P and
	MEM_ALIAS_SET on newly returned MEMs.
	(assign_temp): Use MEM_SET_IN_STRUCT_P.
	(put_reg_into_stack): Likewise.
	(fixup_var_refs1): Use MEM_COPY_ATTRIBUTES.
	(gen_mem_addressof): Use MEM_SET_IN_STRUCT_P.
	(assign_parms): Likewise.
	(expand_function): Likewise.
	* integrate.c (expand_inline_function): Likewise.
	(copy_rtx_and_substitute): Use MEM_COPY_ATTRIBUTES.
	* loop.c (note_addr_stored): Remove check on MEM_IN_STRUCT_P.
	* optabs.c (gen_move_insn): Use MEM_COPY_ATTRIBUTES.
	* print-rtl.c (print_rtx): Print /f for frame_related.
	* recog.c (validate_replace_rtx_1): Use MEM_COPY_ATTRIBUTES.
	* reload1.c (reload): Copy MEM_SCALAR_P as well.
	* stmt.c (expand_decl): Use MEM_SET_IN_STRUCT_P.
	(expand_anon_union_decl): Use MEM_COPY_ATTRIBUTES.
	* varasm.c (make_decl_rtl): Use MEM_SET_IN_STRUCT_P.
	(output_constant_def): Likewise.
	* a29k.c (a29k_set_memflags_1): Take scalar_p.
	Set MEM_SCALAR_P.
	(a29k_set_memflags): Use it.
	* alpha.c (get_aligned_mem): Use MEM_COPY_ATTRIBUTES.
	* c4x.c (c4x_scan_for_ld): Likewise.
	* h8300.c (fix_bit_operand): Likewise.
	* m88k.c (legitimize_address): Likewise.
	(block_move_loop): Likewise.
	(block_move_no_loop): Likewise.
	(block_move_sequence): Likewise.
	(m88k_builtin_saveregs): Use MEM_SET_IN_STRUCT_P.
	* mips/abi64.h (SETUP_INCOMING_VARARGS): Likewise.
	* rs6000.c (expand_block_move_insn): Use MEM_COPY_ATTRIBUTES.
	* sh.c (sh_builtin_saveregs): Use MEM_SET_IN_STRUCT_P.
	* arm.h (arm_gen_load_multiple): Take scalar_p.
	(arm_store_load_multiple): Likewise.
	* arm.c (arm_gen_load_multiple): Likewise.
	(arm_gen_store_multiple): Likewise.
	(arm_gen_movstrqi): Treat MEM_SCALAR_P like MEM_IN_STRUCT_P.

From-SVN: r24759
 1999-01-19 10:32:33 +00:00
Richard Henderson
fbdfe39cf2 function.c (purge_addressof_1): If the note accesses a mem+addressof in a wider mode than any replacement... 
* function.c (purge_addressof_1): If the note accesses a mem+addressof
        in a wider mode than any replacement, adjust the cached replacement.
        Cache trivial substitutions as well.

From-SVN: r24629
 1999-01-11 16:24:25 -08:00
Richard Henderson
a5cad80034 Update copyrights. 
From-SVN: r24624
 1999-01-11 15:15:28 -08:00
Richard Henderson
3b413743e0 basic-block.h (basic_block_head): Rename to x_basic_block_head. 
* basic-block.h (basic_block_head): Rename to x_basic_block_head.
        (basic_block_end): Rename to x_basic_block_end.
        (BLOCK_HEAD, BLOCK_END): Update.
        * caller-save.c: Change basic_block_head/end references to
        BLOCK_HEAD/END.
        * combine.c, flow.c, function.c, gcse.c, global.c: Likewise.
        * graph.c, haifa-sched.c, local-alloc.c, regclass.c: Likewise.
        * regmove.c, reload1.c, reorg.c, sched.c: Likewise.

From-SVN: r24622
 1999-01-11 14:37:20 -08:00
Bernd Schmidt
ba716ac925 function.c (nonlocal_goto_handler_slots): Renamed from nonlocal_goto_handler_slot; now an EXPR_LIST chain. 
* function.c (nonlocal_goto_handler_slots): Renamed from
        nonlocal_goto_handler_slot; now an EXPR_LIST chain.
        (push_function_context_to): Adjust for this change.
        (pop_function_context_from): Likewise.
        (init_function_start): Likewise.
        (expand_function_end): Likewise.
        * function.h (struct function): Likewise.
        * calls.c (expand_call): Likewise.
        * explow.c (allocate_dynamic_stack_space): Likewise.
        * expr.h (nonlocal_goto_handler_slots): Rename its declaration.
        * stmt.c (declare_nonlocal_label): Make a new handler slot for each
        label.
        (expand_goto): When doing a nonlocal goto, find corresponding handler
        slot for it.  Don't put the label address in the static chain register.
        (expand_end_bindings): Break out nonlocal goto handling code into
        three new functions.
        (expand_nl_handler_label, expand_nl_goto_receiver,
        expand_nl_goto_receivers): New static functions, broken out of
        expand_end_bindings and adapted to create one handler per nonlocal
        label.
        * function.c (delete_handlers): Delete insn if it references any of
        the nonlocal goto handler slots.
        * i960.md (nonlocal_goto): Comment out code that modifies
        static_chain_rtx.
        * sparc.md (nonlocal_goto): Likewise.
        (goto_handler_and_restore_v9): Comment out.
        (goto_handler_and_restore_v9_sp64): Comment out.

From-SVN: r23732
 1998-11-20 00:37:42 -07:00
Bernd Schmidt
c795bca923 expr.c (STACK_BYTES): Delete unused macro. 
* expr.c (STACK_BYTES): Delete unused macro.
	* calls.c: Provide default for PREFERRED_STACK_BOUNDARY.
	(STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
	(expand_call): Likewise.
	(emit_library_call): Likewise.
	(emit_library_call_value): Likewise.
	* function.c: Provide default for PREFERRED_STACK_BOUNDARY.
	(STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
	* explow.c: Provide default for PREFERRED_STACK_BOUNDARY.
	(round_push): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
	(allocate_dynamic_stack_space): Likewise.
	* tm.texi (PREFERRED_STACK_BOUNDARY): Document new macro.
	(STACK_BOUNDARY): Update description to reflect the new situation.

From-SVN: r23730
 1998-11-19 15:47:55 -07:00
J"orn Rennecke
de0dd9345e function.c (purge_addressof_1): Unshare rtl created by store_bit_field. 
* function.c (purge_addressof_1): Unshare rtl created by
	store_bit_field.

From-SVN: r23670
 1998-11-15 20:43:19 +00:00
Richard Henderson
da9b1f9ca0 function.c (purge_addressof): Clear purge_addressof_replacements only after processing the whole function. 
* function.c (purge_addressof): Clear purge_addressof_replacements
        only after processing the whole function.

From-SVN: r23554
 1998-11-06 18:51:21 -08:00
Andreas Schwab
b5bd3b3c46 Andreas Schwab <schwab@issan.cs.uni-dortmund.de> 
Andreas Schwab  <schwab@issan.cs.uni-dortmund.de>
        * function.c (purge_addressof_1): Instead of aborting when a
        bitfield insertion as a replacement for (MEM (ADDRESSOF)) does not
        work just put the ADDRESSOF on stack.  Otherwise remember all such
        successfull replacements, so that exactly the same replacements
        can be made on the REG_NOTEs.  Remove the special case for CALL
        insns again.
        (purge_addressof_replacements): New variable.
        (purge_addressof): Clear it at end.

From-SVN: r23405
 1998-10-28 08:46:46 -08:00
Jeff Law
18e765cbda [multiple changes] 
1998-10-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
        * reorg.c (steal_delay_list_from_target) Check for insns that
        modify the condition codes and effect the direction of the jump
        in the sequence.
Sat Oct 17 13:09:09 1998  Graham  <grahams@rcp.co.uk>
        * function.c (purge_addressof_1): Replace call to
        emit_insns_before() with emit_insn_before().

From-SVN: r23189
 1998-10-19 14:23:44 -06:00
Jeffrey A Law
6acdd0fd75 function.c (uninitialized_vars_warning): Do not warn for a VAR_DECL if it has a nonzero DECL_INITIAL. 
* function.c (uninitialized_vars_warning): Do not warn for a VAR_DECL
        if it has a nonzero DECL_INITIAL.

From-SVN: r23164
 1998-10-18 10:34:41 -06:00
Kaveh R. Ghazi
79c9824ecb Warning fixes: 
* Makefile.in (flow.o): Depend on recog.h.
        * cpplib.h (directive_table): Add missing initializiers.
        (finclude): Change type of variable `bsize' to size_t.
        * cse.c (rtx_cost): Mark parameter `outer_code' with ATTRIBUTE_UNUSED.
        * dwarfout.h (dwarfout_label): Wrap prototype in macro RTX_CODE.
        * fix-header.c (lookup_std_proto): Cast the result of `strlen' to
        `int' when comparing against one.
        (cpp_file_line_for_message): Mark parameter `pfile' with
        ATTRIBUTE_UNUSED.
        (cpp_fatal): Mark parameter `pfile' with ATTRIBUTE_UNUSED.
        * flow.c: Include recog.h.
        (sbitmap_copy): Cast arguments 1 & 2 of `bcopy' to (PTR).
        * function.c (thread_prologue_and_epilogue_insns): Mark parameter
        `f' with ATTRIBUTE_UNUSED.
        (reposition_prologue_and_epilogue_notes): Likewise.
        * genopinit.c (gen_insn): Cast argument of ctype functions to
        `unsigned char'.
        * haifa-sched.c: Include recog.h.
        (blockage_range): Cast result of UNIT_BLOCKED macro to (int) when
        comparing against one.
        * libgcc2.a (__throw): Revert ATTRIBUTE_UNUSED change for now.
        * mips-tfile.c (parse_end): Cast the argument of ctype function to
        `unsigned char'.
        (parse_ent): Likewise.
        (parse_input): Likewise.
        * optabs.c (init_libfuncs): Likewise.
        * protoize.c (find_rightmost_formals_list): Likewise.
        * recog.h (const_double_operand): Fix typo in prototype.
        * tlink.c (scan_linker_output): Cast the argument of ctype
        function to `unsigned char'.
        * toplev.c (check_lang_option): Cast the result of `strlen' to
        `int' when comparing against one.

From-SVN: r23155
 1998-10-17 20:26:29 +00:00
Andreas Schwab
2fdc44405f function.c (purge_addressof_1): Force the first argument of a CALL insn to memory. 
�
        * function.c (purge_addressof_1): Force the first argument of a
        CALL insn to memory.

From-SVN: r23071
 1998-10-13 17:58:34 -06:00
Richard Henderson
470032d72e function.c (purge_addressof_1): Fix typo in inequality: do bitfield optimization for equal mode sizes. 
* function.c (purge_addressof_1): Fix typo in inequality: do
        bitfield optimization for equal mode sizes.
        * expmed.c (store_bit_field): Don't take subregs of subregs in
        the movstrict case.  Tidy a potential problem in the multi-word case.
        (extract_bit_field): Likewise.

From-SVN: r23066
 1998-10-13 16:06:47 -07:00
John Wehle
fdb8a883a4 flow.c: Update comment. 
* flow.c: Update comment.
        (notice_stack_pointer_modification): New static function.
        (record_volatile_insns): Use it.
        (mark_regs_live_at_end): Mark the stack pointer as alive
        at the end of the function if current_function_sp_is_unchanging
        is set.
        (life_analysis_1): Set current_function_sp_is_unchanging.
        * function.c: Define it.
        (init_function_start): Initialize it.
        * output.h: Declare it.
        * reorg.c (fill_simple_delay_slots, dbr_schedule): Mark
        the stack pointer as alive at the end of the function if
        current_function_sp_is_unchanging is set.
        * i386.c (ix86_epilogue): Optimize the restoring
        of the stack pointer.

From-SVN: r23009
 1998-10-12 04:06:49 -06:00
Ken Raeburn
7d384cc0b3 Fine-grained control of -fcheck-memory-usage with new no_check_memory_usage attribute. 
Fine-grained control of -fcheck-memory-usage with new no_check_memory_usage
attribute.  Misc minor bugfixes and tests for it too.

From-SVN: r22983
 1998-10-11 02:21:54 +00:00
Richard Henderson
d006aa54ba expmed.c (store_bit_field): Pun non-integral str_rtx modes. 
* expmed.c (store_bit_field): Pun non-integral str_rtx modes.
        Take extra care for op0 now possibly being a subreg.
        (extract_bit_field): Likewise.
        * function.c (purge_addressof_1): Revert Oct 4 change.  Drop
        the reg to memory if there is no equal sized integral mode.
        * stor-layout.c (int_mode_for_mode): New function.
        * machmode.h: Prototype it.

From-SVN: r22962
 1998-10-09 08:50:25 -07:00
David S. Miller
ca2636edcd function.c (purge_addressof_1): If trying to take a sub-word integral piece of a floating point mode... 
* function.c (purge_addressof_1): If trying to take a sub-word
	integral piece of a floating point mode, put it on the stack.

From-SVN: r22804
 1998-10-03 18:29:21 -07:00
David S. Miller
47401c4d4b function.c (purge_addressof_1): Do not perform endianness corrections on bitpos, who we call will do it for us. 
* function.c (purge_addressof_1): Do not perform endianness
	corrections on bitpos, who we call will do it for us.

From-SVN: r22766
 1998-10-02 13:17:50 -07:00
Richard Henderson
b8c08e043a Typo in last commit. 
From-SVN: r22687
 1998-09-30 11:04:51 -07:00
Richard Henderson
f7b6d10479 function.c (purge_addressof_1): Use bitfield manipulation routines to handle mem mode < reg mode. 
* function.c (purge_addressof_1): Use bitfield manipulation
        routines to handle mem mode < reg mode.

From-SVN: r22686
 1998-09-30 11:03:48 -07:00
Mark Mitchell
95ca22f405 function.c (gen_mem_addressof): If the address REG is REG_USERVAR_P make the new REG be so also. 
* function.c (gen_mem_addressof): If the address REG is
	REG_USERVAR_P make the new REG be so also.
	* loop.c (scan_loop): Apply DeMorgan's laws and add documentation
	in an attempt to clarify slightly.

From-SVN: r22667
 1998-09-30 10:10:02 +00:00
Richard Henderson
c93b03c2d8 reload1.c (emit_reload_insns): Accept a new arg for the bb. 
* reload1.c (emit_reload_insns): Accept a new arg for the bb.  Use
        it to update bb boundaries.  Update caller.
        * function.c (reposition_prologue_and_epilogue_notes): Update
        bb boundaries wrt the moved note.

From-SVN: r22507
 1998-09-20 16:29:09 -07:00
Jeffrey A Law
0d8e55d8cd combine.c (make_extraction): If no mode is specified for an operand of insv... 
* combine.c (make_extraction): If no mode is specified for
        an operand of insv, extv, or extzv, default it to word_mode.
        (simplify_comparison): Similarly.
        * expmed.c (store_bit_field): Similarly.
        (extract_bit_field): Similarly.
        * function.c (fixup_var_regs_1): Similarly.
        * recog.c (validate_replace_rtx_1): Similarly.
        * mips.md (extv, extzv, insv expanders): Default modes for most
        operands.  Handle TARGET_64BIT.
        (movdi_uld, movdi_usd): New patterns.

From-SVN: r22439
 1998-09-15 16:47:10 -06:00
Richard Henderson
710384268d tree.h (BUILT_IN_CALLER_RETURN_ADDRESS): Unused. 
* tree.h (BUILT_IN_CALLER_RETURN_ADDRESS): Unused.  Kill.
	(BUILT_IN_FP, BUILT_IN_SP, BUILT_IN_SET_RETURN_ADDR_REG): Kill.
	(BUILT_IN_EH_STUB_OLD, BUILT_IN_EH_STUB, BUILT_IN_SET_EH_REGS): Kill.
	(BUILT_IN_EH_RETURN, BUILT_IN_DWARF_CFA): New.
	* c-decl.c (init_decl_processing): Update accordingly.
	* expr.c (expand_builtin): Likewise.
	* cp/decl.c (init_decl_processing): Likewise.
	* rtl.h (global_rtl): Add cfa entry.
	(virtual_cfa_rtx, VIRTUAL_CFA_REGNUM): New.
	(LAST_VIRTUAL_REGISTER): Update.
	* emit-rtl.c (global_rtl): Add cfa entry.
	(init_emit): Initialize it.
	* function.c (cfa_offset): New.
	(instantiate_virtual_regs): Initialize it.
	(instantiate_virtual_regs_1): Instantiate virtual_cfa_rtx.
	(expand_function_end): Call expand_eh_return.
	* tm.texi (ARG_POINTER_CFA_OFFSET): New.
	* except.c (current_function_eh_stub_label): Kill.
	(current_function_eh_old_stub_label): Likwise; update all references.
	(expand_builtin_set_return_addr_reg): Kill.
	(expand_builtin_eh_stub_old, expand_builtin_eh_stub): Kill.
	(expand_builtin_set_eh_regs): Kill.
	(eh_regs): Produce a third reg for the actual handler address.
	(eh_return_context, eh_return_stack_adjust): New.
	(eh_return_handler, eh_return_stub_label): New.
	(init_eh_for_function): Initialize them.
	(expand_builtin_eh_return, expand_eh_return): New.
	* except.h: Update prototypes.
	* flow.c (find_basic_blocks_1): Update references to the stub label.
	* function.h (struct function): Kill stub label elements.
	* libgcc2.c (in_reg_window): For REG_SAVED_REG, check that the
	register number is one that would be in the previous window.
	Provide a dummy definition for non-windowed targets.
	(get_reg_addr): New function.
	(get_reg, put_reg, copy_reg): Use it.
	(__throw): Rely on in_reg_window, not INCOMING_REGNO.  Kill stub
	generating code and use __builtin_eh_return.  Use __builtin_dwarf_cfa.
	* alpha.c (alpha_eh_epilogue_sp_ofs): New.
	(alpha_init_expanders): Initialize it.
	(alpha_expand_epilogue): Use it.
	* alpha.h: Declare it.
	* alpha.md (eh_epilogue): New.
	* m68h.h (ARG_POINTER_CFA_OFFSET): New.
	* sparc.h (ARG_POINTER_CFA_OFFSET): New.

From-SVN: r22436
 1998-09-15 12:19:12 -07:00
Ken Raeburn
07417085a1 Function entry/exit profiling instrumentation: 
* expr.h (profile_function_entry_libfunc, profile_function_exit_libfunc):
Declare new variables.
* optabs.c: Define them here.
(init_optabs): Initialize them.
* tree.h (struct tree_decl): New flag no_instrument_function_entry_exit.
(DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT): New accessor macro.
* c-decl.c (duplicate_decls): Merge it.
* c-common.c (enum attrs): New value A_NO_INSTRUMENT_FUNCTION.
(init_attributes): Use it for "no_instrument_function".
(decl_attributes): Handle it, for functions that have not yet been compiled.
Set decl flag.
* flags.h (flag_instrument_function_entry_exit): Declare new variable.
* toplev.c (flag_instrument_function_entry_exit): Define it here.
(f_options): New option "instrument-functions".
* function.h (struct function): New field instrument_entry_exit.
* function.c (current_function_instrument_entry_exit): New variable.
(push_function_context_to, pop_function_context_from): Save and restore.
(expand_function_start): Set current_ variable, maybe emit return label and
entry profile call.
(expand_function_end): Maybe emit exit profile call.
Testsuite:
* gcc.c-torture/special/eeprof-1.c: New test, for -finstrument-functions.
* gcc.c-torture/special/special.exp: Run it.

From-SVN: r21495
 1998-07-30 10:38:22 +00:00
Jim Wilson
07362cb321 Fix some sparc complex testsuite failures. 
* function.c (fixup_var_refs_insns): Handle CLOBBER of a CONCAT.

From-SVN: r21251
 1998-07-17 04:22:40 -07:00
Richard Henderson
aac5cc1620 expr.c (emit_group_load, [...]): Rewrite considering the size and alignment of the structure being manipulated. 
* expr.c (emit_group_load, emit_group_store): Rewrite considering
        the size and alignment of the structure being manipulated.
        * expr.c, calls.c, function.c: Update all callers.
        * expr.h: Update prototypes.
        * cse.c (invalidate): Cope with parallels.

From-SVN: r20867
 1998-06-30 22:10:51 -07:00
Jeff Law
9ec36da574 * Merge from gcc2 June 9, 1998 snapshot. See ChangeLog.13 for 
details.

From-SVN: r20808
 1998-06-29 15:40:49 -06:00
Mark Mitchell
41472af877 invoke.texi (-fstrict-aliasing): Document. 
* invoke.texi (-fstrict-aliasing): Document.
	* rtl.texi (MEM_ALIAS_SET): Document.
	* flags.h (flag_strict_aliasing): Declare.
	* toplev.c (flag_strict_aliasing): Define.
	(f_options): Add -strict-aliasing.
	(main): Set flag_strict_aliasing if -O2 or higher.
	* tree.h (tree_type): Add alias_set field.
	(TYPE_ALIAS_SET): New macro.
	(TYPE_ALIAS_SET_KNOWN_P): Likewise.
	(get_alias_set): Declare.
	* tree.c (lang_get_alias_set): Define.
	(make_node): Initialize TYPE_ALIAS_SET.
	(get_alias_set): New function.
	* print-tree.c (print_node): Dump the alias set for a type.
	* c-tree.h (c_get_alias_set): Declare.
	* c-common.c (c_get_alias_set): New function.
	* c-decl.c (init_decl_processing): Set lang_get_alias_set.
	* expr.c (protect_from_queue): Propogage alias sets.
	(expand_assignment): Calculate alias set for new MEMs.
	(expand_expr): Likewise.
	* function.c (put_var_into_stack): Likewise.
	(put_reg_into_stack): Likewise.
	(gen_mem_addressof): Likewise.
	(assign_parms): Likewise.
	* stmt.c (expand_decl): Likewise.
	* varasm.c (make_decl_rtl): Eliminate redundant clearing of
	DECL_RTL.  Calculate alias set for new MEMs.
	* rtl.def (REG): Add dummy operand.
	(MEM): Add extra operand to store the MEM_ALIAS_SET.
	* rtl.h (MEM_ALIAS_SET): New macro.
	(gen_rtx_MEM): Declare.
	* emit-rtl.c (gen_rtx_MEM): New function.
	* gengenrtl.c (sepcial_rtx): Make MEMs special.
	* alias.c (CHECK_ALIAS_SETS_FOR_CONSISTENCY): New macro.
	(DIFFERENT_ALIAS_SETS_P): Likewise.
	(canon_rtx): Propogate the alias set to the new MEM.
	(true_dependence): Check the alias sets.
	(anti_dependence): Likewise.
	(output_dependence): Likewise.
	* explow.c (stabilize): Progoate alias sets.
	* integrate.c (copy_rtx_and_substitute): Likewise.
	* final.c (alter_subreg): Make sure not to leave MEM_IN_STRUCT_P
	in an unpredictable state.  Propogate alias sets.
	* reload1.c (reload): Clear MEM_ALIAS_SET for new MEMs about which
	we have no alias information.

From-SVN: r20719
 1998-06-25 15:14:41 +00:00
Jason Merrill
aeb302bbec function.c: Define current_function_cannot_inline. 
* function.c: Define current_function_cannot_inline.
	(push_function_context_to): Save it.
	(pop_function_context_from): Restore it.
	* function.h (struct function): Provide it a home.
	* output.h: Declare it.
	* integrate.c (function_cannot_inline_p): Check it.
	* decl.c (cp_finish_decl): Disable inlining of extern inlines
	with static variables.

From-SVN: r20332
 1998-06-08 06:52:37 -04:00
Andreas Schwab
7a87758dfb m68k.h: Declare more functions used in macros. 
* m68k.h: Declare more functions used in macros.
        (REG_CLASS_CONTENTS): Completely embrace initializer.
        * m68k.md (adddi3, subdi3): Add abort call to avoid warning
        about returning no value.
        * cse.c (find_best_addr): Declare p and found_better only if
        needed.
        * dbxout.c (dbxout_continue): Define only if DBX_CONTIN_LENGTH > 0.
        * dwarfout.c (string_length_attribute): #if 0 away.
        * function.c (expand_function_end): Define varible blktramp only
        if needed.
        * jump.c (find_insert_position): Define only if !HAVE_cc0.
        * loop.c (combine_givs_p): Define variable tem only if needed.
        * real.c: Comment out unused functions eabs, eround,
        e{24,53,64,113}toasc and eiinfin.

From-SVN: r19998
 1998-05-23 17:14:57 -06:00
Per Bothner
b274104c47 function.c (init_function_start): Don't call emit_line_note if lineno is 0. 
8
	* function.c (init_function_start):  Don't call emit_line_note if
	lineno is 0.  (Can happen when compiling Java .class files.)

From-SVN: r19930
 1998-05-21 05:23:59 -07:00
Kaveh R. Ghazi
487a6e06ce Warning Fixes: 
* Makefile.in (print-rtl.o): Depend on bitmap.h.
        (dbxout.o): Depend on toplev.h.
        ($(SCHED_PREFIX)sched.o): Likewise.
        ($(out_object_file)): Likewise for system.h and toplev.h.
        (cppmain.o): Depend on gansidecl.h.
        (cpplib.o): Likewise.
        (cpperror.o): Likewise.
        (cppexp.o): Likewise.
        (cpphash.o): Likewise.
        (cppalloc.o): Likewise.
        (fix-header.o): Depend on cpplib.h and cpphash.h.
        (scan-decls.o): Depend on gansidecl.h.
        * basic-block.h (free_regset_vector): Add prototype.
        * cccp.c (check_precompiled): Mark parameter `fname' with
        ATTRIBUTE_UNUSED.
        (do_assert): Likewise for `op' and `keyword'.
        (do_unassert): Likewise.
        (do_line): Likewise for `keyword'.
        (do_error): Likewise for `op' and `keyword'.
        (do_warning): Likewise.
        (do_ident): Likewise for `keyword'.
        (do_pragma): Likewise for `limit', `op' and `keyword'.
        (do_sccs): Likewise.
        (do_if): Likewise for `keyword'.
        (do_elif): Likewise.
        (do_else): Likewise.
        (do_endif): Likewise.
        * collect2.c (getenv): Remove redundant prototype.
        (collect_exit, collect_execute, dump_file): Likewise.
        (dump_list): Wrap prototype and definition in COLLECT_EXPORT_LIST.
        (dump_prefix_list): Hide prototype and definition.
        * sparc.c: Include toplev.h.
        (intreg_operand): Mark parameter `mode' with ATTRIBUTE_UNUSED.
        (symbolic_memory_operand): Likewise.
        (sp64_medium_pic_operand): Likewise.
        (data_segment_operand): Likewise.
        (text_segment_operand): Likewise.
        (splittable_symbolic_memory_operand): Likewise.
        (splittable_immediate_memory_operand): Likewise.
        (eq_or_neq): Likewise.
        (normal_comp_operator): Likewise.
        (noov_compare_op): Likewise.
        (v9_regcmp_op): Likewise.
        (v8plus_regcmp_op): Likewise.
        (extend_op): Likewise.
        (cc_arithop): Likewise.
        (cc_arithopn): Likewise.
        (small_int): Likewise.
        (uns_small_int): Likewise.
        (clobbered_register): Likewise.
        (legitimize_pic_address): Likewise.
        (delay_operand): Likewise.
        (sparc_builtin_saveregs): Remove unused variable `stdarg'.
        * sparc.h (order_regs_for_local_alloc, eligible_for_return_delay,
        sparc_issue_rate, v8plus_regcmp_p): Add prototypes.
        * sparc.md (cmpdi_v8plus): Add abort for default case in switch.
        * cppalloc.c: Include gansidecl.h.
        * cpperror.c: Include stdarg.h/varargs.h and gansidecl.h.
        (cpp_file_line_for_message): Mark parameter `pfile' with
        ATTRIBUTE_UNUSED.
        (v_cpp_message): New function.
        (cpp_message): Use it.  Also convert to variable arguments.
        (cpp_fatal): Likewise.
        (cpp_pfatal_with_name): Constify parameter `name'.
        * cppexp.c: Move gansidecl.h before cpplib.h.
        * cpphash.c: Likewise.
        * cpphash.h (hashf, delete_macro): Add prototypes.
        * cpplib.c: Include stdarg.h/varargs.h and move gansidecl.h before
        cpplib.h.  Don't include errno.h.
        (update_path): Add arguments to prototype.
        (cpp_fatal, cpp_file_line_for_message, cpp_message, delete_macro,
        cpp_print_containing_files): Remove redundant prototypes.
        (cpp_hash_cleanup, add_import, append_include_chain,
        make_assertion, path_include, initialize_builtins,
        initialize_char_syntax, finclude, validate_else, comp_def_part,
        lookup_import, redundant_include_p, is_system_include,
        read_name_map, read_filename_string, open_include_file,
        check_macro_name, compare_defs, compare_token_lists,
        eval_if_expression, change_newlines): Add prototype arguments.
        (hashf): Remove redundant prototype.
        (read_token_list, free_token_list, safe_read, xcalloc, savestring,
        conditional_skip, skip_if_group): Add prototype arguments.
        (fdopen): Remove redundant prototype.
        (do_define, do_line, do_include, do_undef, do_error, do_pragma,
        do_ident, do_if, do_xifdef, do_else, do_elif, do_endif, do_sccs,
        do_once, do_assert, do_unassert, do_warning): Add prototype arguments.
        (struct directive): Add prototype arguments to function pointer
        member `func'.
        (handle_directive): Add missing arguments to call to `do_line'.
        (do_include): Mark parameters `unused1' and `unused2' with
        ATTRIBUTE_UNUSED.
        (do_line): Likewise for `keyword' and new parameters `unused1' and
        `unused2'.
        (do_error): Likewise for `keyword'.
        (do_warning): Likewise.  Also add missing argument `pfile' in call
        to cpp_pedwarn.
        (do_once): Mark parameter `keyword', `unused1' and `unused2' with
        ATTRIBUTE_UNUSED.
        (do_ident): Likewise for `keyword', `buf' and `limit'.
        (do_pragma): Likewise.  Also add missing arguments in call to do_once.
        (do_sccs): Mark parameter `keyword', `buf' and `limit' with
        ATTRIBUTE_UNUSED.
        (do_if): Likewise for `keyword'.
        (do_elif): Likewise.
        (eval_if_expression): Likewise for `buf' and `length'.
        (do_xifdef): Likewise for `unused1' and `unused2'.
        (do_else): Likewise for `keyword', `buf' and `limit'.
        (do_endif): Likewise.
        (parse_name): Add missing argument `pfile' in call to cpp_pedwarn.
        (cpp_handle_options): Remove superfluous NULL argument in call to
        cpp_fatal.
        (cpp_handle_options): Likewise.
        (do_assert): Mark parameter `keyword', `buf' and `limit' with
        ATTRIBUTE_UNUSED.
        (do_unassert): Likewise.
        (cpp_print_file_and_line): Add missing argument `pfile' in call to
        cpp_file_line_for_message.
        (v_cpp_error): New function.
        (cpp_error): Use it. Also accept variable arguments.
        (v_cpp_warning): New function.
        (cpp_warning): Use it. Also accept variable arguments.
        (cpp_pedwarn): Accept variable arguments.
        (v_cpp_error_with_line): New function
        (cpp_error_with_line): Use it.  Accept variable arguments.
        (v_cpp_warning_with_line): New function.
        (cpp_warning_with_line): Use it.  Accept variable arguments.  Hide
        definition.
        (cpp_pedwarn_with_line): Accept variable arguments.
        (cpp_pedwarn_with_file_and_line): Likewise.
        (cpp_error_from_errno): Constify parameter `name'.  Add missing
        argument `pfile' in call to cpp_file_line_for_message.
        (cpp_perror_with_name): Constify parameter `name'.
        * cpplib.h: Define PARAMS() in terms of PROTO().
        (fatal): Remove redundant prototype.
        (cpp_error, cpp_warning, cpp_pedwarn, cpp_error_with_line,
        cpp_pedwarn_with_line, cpp_pedwarn_with_file_and_line,
        cpp_error_from_errno, cpp_perror_with_name, cpp_pfatal_with_name,
        cpp_fatal, cpp_message, cpp_pfatal_with_name,
        cpp_file_line_for_message, cpp_print_containing_files): Add
        arguments to prototypes.
        (scan_decls, cpp_finish): Add prototypes.
        * cppmain.c: Include gansidecl.h.
        (main): Remove unused variable `i'.
        * dbxout.c: Include toplev.h.
        * demangle.h (do_tlink, collect_execute, collect_exit,
        collect_wait, dump_file, file_exists): Add prototype.
        * dwarf2out.c (dwarf_type_encoding_name, decl_start_label): Hide
        prototype and definition.
        (gen_unspecified_parameters_die): Don't assign results of call to
        function new_die() to unused variable `parm_die'.
        (dwarf2out_line): Mark parameter `filename' with ATTRIBUTE_UNUSED.
        (dwarf2out_define): Likewise for `lineno' and `buffer'.
        * dwarfout.c (output_unsigned_leb128, output_signed_leb128): Hide
        prototype and definition.
        (output_die): Add prototype arguments to function pointer arg.
        (output_unspecified_parameters_die): Mark parameter `arg' with
        ATTRIBUTE_UNUSED.
        * except.c (output_exception_table_entry): Remove unused variable
        `eh_entry'.
        * except.h (expand_fixup_region_start, expand_fixup_region_end):
        Add prototypes.
        * expr.c (do_jump_by_parts_equality_rtx): Remove prototype.
        * expr.h (do_jump_by_parts_equality_rtx): Add prototype.
        * fix-header.c: Include stdarg.h/varargs.h, move gansidecl.h
        before cpplib.h, include cpphash.h, remove redundant prototype of
        cpp_fatal, don't define `const', add a prototype for `fatal'.
        (cpp_file_line_for_message): Add missing arguments `pfile'.
        (v_cpp_message): New function.
        (cpp_message): Use it.
        (v_fatal): New function.
        (fatal, cpp_fatal): Use it.
        (cpp_pfatal_with_name): Constify parameter `name'.
        * flow.c (free_regset_vector): Remove redundant prototype.
        * function.c (round_down): Wrap prototype and definition with
        macro ARGS_GROW_DOWNWARD.
        (record_insns): Wrap prototype and definition with
        defined (HAVE_prologue) || defined (HAVE_epilogue).
        * gansidecl.h (ATTRIBUTE_PRINTF_4, ATTRIBUTE_PRINTF_5): New macros.
        * gen-protos.c: Include gansidecl.h.
        (hashf): Don't make it static, constify parameter `name'.
        * genattrtab.c (check_attr_test): Change XEXP() to XSTR() to match
        specifier %s in calls to function `fatal'.
        * haifa-sched.c: Include toplev.h.
        (find_rgns): Remove unused variable `j'.
        * integrate.c (note_modified_parmregs): Mark parameter `x' with
        ATTRIBUTE_UNUSED.
        (mark_stores): Likewise.
        * jump.c (mark_modified_reg): Likewise.
        * output.h (insn_current_reference_address): Add prototype.
        (eh_frame_section): Likewise.
        * print-rtl.c: Include bitmap.h.
        * reload1.c (reload): Wrap variables `note' and `next' in macro
        PRESERVE_DEATH_INFO_REGNO_P.
        (forget_old_reloads_1): Mark parameter `ignored' with
        ATTRIBUTE_UNUSED.
        (choose_reload_regs): Remove unused variable `in'.
        (reload_cse_invalidate_mem): Mark parameter `ignore' with
        ATTRIBUTE_UNUSED.
        (reload_cse_check_clobber): Likewise.
        * rtl.h (expand_null_return, reg_classes_intersect_p): Add prototype.
        (mark_elimination): Fix typo in prototype.
        * scan-decls.c: Include gansidecl.h.
        * tree.h (using_eh_for_cleanups, supports_one_only): Add prototype.

From-SVN: r19867
 1998-05-19 08:42:48 +00:00
Jeffrey A Law
c7fdfd49ac function.c (identify_blocks): Fix thinko when setting the block number for NOTE_INSN_BLOCK_END. 
* function.c (identify_blocks): Fix thinko when setting the
        block number for NOTE_INSN_BLOCK_END.

From-SVN: r19857
 1998-05-18 15:39:43 -06:00
Jeff Law
38e012594e typo typo fixes fixes 
From-SVN: r19601
 1998-05-06 15:09:07 -06:00
Robert Lipe
10f0ad3d49 toplev.h: New file. 
Wed May  6 06:35:38 1998  Robert Lipe  <robertl@dgii.com>
        * toplev.h: New file.   Protypes for functions in toplev.c.
        * tree.h, rtl.h: Deleted protos for functions in toplev.c.
        * c-common.c, c-convert.c, c-decl.c, c-iterate.c, c-lex.c,
        c-parse.in, c-parse.y, c-pragma.c, c-typeck.c, calls.c,
        convert.c, dwarf2out.c, except.c, expr.c, final.c, fold-const.c,
        function.c, hash.c, profile.c, real.c, reg-stack.c, regclass.c,
        reload.c, reload1.c, stmt.c, stor-layout.c, tlink.c, tree.c,
        varasm.c: include it.

From-SVN: r19564
 1998-05-06 04:54:01 +00:00
Jeff Law
f5963e6170 * Check in merge from gcc2. See ChangeLog.12 for details. 
From-SVN: r19553
 1998-05-05 17:18:02 -06:00
Jeffrey A Law
1ac4f79956 * function.c (assign_outer_stack_local): Make static and add prototype. 
From-SVN: r19245
 1998-04-16 16:08:49 -06:00
John Carr
7940255dd6 function.c (assign_parms): Initialize unsignedp before passing its pointer to promote_mode. 
* function.c (assign_parms): Initialize unsignedp before passing
        its pointer to promote_mode.

From-SVN: r19215
 1998-04-14 17:10:49 -06:00
Jeff Law
c86c3e99c4 Reinstall this patch from Jason. 
8
        Reinstall this patch from Jason.
        * function.c (push_function_context_to): Don't call init_emit.

From-SVN: r19098
 1998-04-10 15:30:30 -06:00
Jeff Law
e5e809f419 * Check in merge from gcc2. See ChangeLog.11 and ChangeLog.12 
for details.

        * haifa-sched.c: Mirror recent changes from gcc2.

From-SVN: r18984
 1998-04-04 06:32:39 -07:00
Jeffrey A Law
4e86caed7d fold-const.c (optimze_bit_field_compare): Initialize rnbitpos, rnbitsize, rnmode and rinner. 
* fold-const.c optimze_bit_field_compare): Initialize rnbitpos,
        rnbitsize, rnmode and rinner.
        (make_range): Initialize type.
        (fold): Initialize arg0, arg1 and varop.
        * function.c (instantiate_virtual_regs_1): Initialize offset, regnoi
        and regnor.
        (expand_function_start): Initialize last_ptr.
        * stor-layout.c (layout_record): Initialize desired_align.
        (get_best_mode): Initialize unit.
        * tree.c (copy_node): Initialize length.

From-SVN: r18943
 1998-04-01 16:35:51 -07:00
Bernd Schmidt
4d1d804584 basic-block.h (basic_block_computed_jump_target): Declare. 
* basic-block.h (basic_block_computed_jump_target): Declare.
	* flags.h: (current_function_has_computed_jump): Declare.
	* flow.c: (basic_block_computed_jump_target): Define.
	(flow_analysis): Allocate it. Set current_function_has_computed_jump
	to 0.
	(find_basic_blocks): Set current_function_has_computed_jump and
	elements of basic_block_computed_jump_target to 1 as appropriate.
	* function.c: (current_function_has_computed_jump): Define.
	* global.c (global_conflicts): Don't allocate pseudos into stack regs
	at the start of a block that is reachable by a computed jump.
	* reg-stack.c (stack_reg_life_analysis): If must restart, do so
	immediately.
	(subst_stack_regs): Undo change from Sep 4 1997.
	(uses_reg_or_mem): Now unused, deleted.
	* stupid.c (stupid_life_analysis): Compute
	current_function_has_computed_jump.
	(stupid_find_reg): Don't allocate stack regs if the function has a
	computed goto.
        * haifa-sched.c (is_cfg_nonregular): Delete code to determine if
        the current function has a computed jump.  Use the global value
        instead.

Co-Authored-By: Jeffrey A Law <law@cygnus.com>

From-SVN: r18860
 1998-03-27 17:12:41 -07:00
Kaveh R. Ghazi
670ee92097 Major cutover to using system.h: 
* Makefile.in (alias.o, bitmap.o, c-aux-info.o, c-common.o,
        c-decl.o, c-iterate.o, c-lang.o, c-lex.o, c-pragma.o, c-typeck.o,
        caller-save.o, calls.o, collect2.o, combine.o, cse.o, dbxout.o,
        dwarf2out.o, dwarfout.o, emit-rtl.o, except.o, explow.o, expmed.o,
        expr.o, final.o, flow.o, function.o, getpwd.o, global.o,
        integrate.o, jump.o, local-alloc.o, loop.o, optabs.o, pexecute.o,
        prefix.o, print-rtl.o, print-tree.o, profile.o, real.o, recog.o,
        reg-stack.o, regclass.o, regmove.o, reload.o, reload1.o, reorg.o,
        rtl.o, rtlanal.o, sdbout.o, stmt.o, stor-layout.o, stupid.o,
        tlink.o, toplev.o, tree.o, unroll.o, varasm.o, xcoffout.o): Depend
        on system.h.
        * alias.c, bitmap.c, c-aux-info.c, c-common.c, c-decl.c,
        c-iterate.c, c-lang.c, c-lex.c, c-pragma.c, c-typeck.c,
        caller-save.c, calls.c, collect2.c, combine.c, cse.c, dbxout.c,
        dwarf2out.c, dwarfout.c, emit-rtl.c, except.c, explow.c, expmed.c,
        expr.c, final.c, flow.c, function.c, gcc.c, getpwd.c, global.c,
        integrate.c, jump.c, local-alloc.c, loop.c, optabs.c, pexecute.c,
        prefix.c, print-rtl.c, print-tree.c, profile.c, real.c, recog.c,
        reg-stack.c, regclass.c, regmove.c, reload.c, reload1.c, reorg.c,
        rtl.c, rtlanal.c, sched.c, sdbout.c, stmt.c, stor-layout.c,
        stupid.c, tlink.c, toplev.c, tree.c, unroll.c, varasm.c,
        xcoffout.c: Include system.h.  Organize include ordering so
        that stdarg/varargs comes before other system headers.  Remove
        spurious casts of functions assured of a prototype in system.h.

From-SVN: r18726
 1998-03-20 14:58:42 +00:00
Jason Merrill
6e1f1f930b except.c (init_eh): Do nothing. 
* except.c (init_eh): Do nothing.
	(save_eh_status): Call init_eh_for_function, not init_eh.
	* function.c (push_function_context_to): Don't call init_emit.

From-SVN: r18710
 1998-03-19 13:49:57 -05:00
Kaveh R. Ghazi
081f5e7e66 Fix more warnings... 
* c-lang.c (finish_file): Wrap variable `void_list_node' with macro
        test !ASM_OUTPUT_CONSTRUCTOR || !ASM_OUTPUT_DESTRUCTOR.
        * calls.c (emit_call_1): Wrap variable `already_popped' with macro
        test !ACCUMULATE_OUTGOING_ARGS.
        * collect2.c (write_c_file_glob): Wrap function definition in
        macro test !LD_INIT_SWITCH.
        * combine.c (try_combine): Wrap variables `cc_use' and
        `compare_mode' in macro test EXTRA_CC_MODES.
        * cpplib.c (do_ident): Remove unused variable `len'.
        (skip_if_group): Remove unused variables `at_beg_of_line' and
        `after_ident'.
        (cpp_get_token): Remove unused variable `dummy'.
        * dbxout.c (scope_labelno): Move static variable definition inside
        the one function scope where it is used.
        (dbxout_function_end): Wrap prototype and definition in
        macro test !NO_DBX_FUNCTION_END.
        * dwarf2out.c (add_subscript_info): Wrap variable `dimension_number'
        in macro test !MIPS_DEBUGGING_INFO.
        * expr.c (expand_builtin_setjmp): Move declaration of variable `i'
        into the scope where it is used.  Wrap empty else-statement body
        in braces.
        * fix-header.c: Fix typo in comment.
        (inf_skip_spaces): Cast results of INF_UNGET to (void).
        (check_protection, main): Likewise.
        * flow.c (find_basic_blocks_1): Remove dangling comment text.
        * function.c (contains): Wrap prototype and definition in macro
        test HAVE_prologue || HAVE_epilogue.
        (fixup_var_refs_1): Remove unused variable `width'.
        * gen-protos.c (main): Remove unused variable `optr'.
        * haifa-sched.c (debug_control_flow): Remove unused variable `j'.
        * libgcc2.c (__udiv_w_sdiv): Provide dummy return value of 0.
        (__sjpopnthrow): Remove unused variable `jmpbuf'.
        (__throw): Remove unused variable `val'.
        * protoize.c: Check for a previously existing definition before
        defining *_OK macros.
        * scan-decls.c (scan_decls): Remove unused variable `old_written'.

From-SVN: r18654
 1998-03-18 07:18:06 +00:00
Jim Wilson
bdd3e6abed Patch to fix mips64-elf varargs aliasing failures. 
* function.c (put_reg_into_stack): Copy MEM_IN_STRUCT_P from new.
	(assign_parms): Set aggregate if hide_last_arg and last_named.

From-SVN: r18450
 1998-03-09 04:03:21 -08:00
Kaveh R. Ghazi
5172371191 Fix warious warnings: 
* c-aux-info.c: Include string.h/strings.h.
	* pa.c: Include stdlib.h.
	(pa_combine_instructions): Prototype the function.
	(pa_can_combine_p, forward_branch_p, shadd_constant_p): Likewise.
	(reloc_needed): Add default case for enumeration switch.
	(remove_useless_addtr_insns): Remove unused variable `all'.
	(hppa_expand_prologue): Add explicit braces to avoid
	ambiguous `else'.
	(output_function_epilogue): Remove unused variable `i'.
	(output_millicode_call): Remove unused variable `link'.
	(shadd_constant_p, forward_branch_p): Make the function static.
	(following_call): Explicitly declare to return int.
	(pa_reorg): Declare as void.
	(pa_combine_instructions): Declare as static void.  Add
	parentheses around && within ||.
	* pa.h: Add prototypes for pa_reorg, symbolic_operand,
	following_call, function_label_operand, lhs_lshift_cint_operand
	and zdepi_cint_p.
	* pa.md: Add parentheses around && within ||.
	* cppalloc.c: Include stdlib.h.
	* cpperror.c (cpp_print_containing_files): Remove unused variable
	`i'.  Fix format specifier in fprintf.
	* cse.c (cse_around_loop): Add explicit braces to avoid
	ambiguous `else'.
	(delete_dead_from_cse): Wrap variable `tem' in macro HAVE_cc0.
	* expr.c (expand_expr): Add parentheses around && within ||.
	* final.c (app_enable): Replace fprintf with fputs where there are
	no format specifiers and no trailing argument after the string.
	Eg, when printing ASM_APP_ON/ASM_APP_OFF.
	(app_disable): Likewise.
	(final_end_function): Likewise.
	(final_scan_insn): Likewise.  Remove unused variable `set'.
	(profile_function): Wrap empty if-statement body in {} brackets.
	* function.c: Include stdlib.h.
	(pad_below): Wrap prototype and definition in ARGS_GROW_DOWNWARD.
	(reposition_prologue_and_epilogue_notes): Add parentheses
	around assignment used as truth value.
	* integrate.c (expand_inline_function): Wrap variable
	`cc0_insn' in macro HAVE_cc0.
	* jump.c (jump_optimize): Wrap variable `q' in macro
	HAVE_cc0.  Remove unused variable `prev1'.
	* libgcc2.c (__bb_exit_trace_func): Add parentheses around &&
	within ||.  Fix format specifier in fprintf.
	(__bb_init_prg): Add parentheses around assignment used as
	truth value.
	* local-alloc.c: Include stdlib.h.
	(requires_inout): Add parentheses around assignment used
	as truth value.
	* loop.c (analyze_loop_iterations): Wrap prototype and definition
	in macro HAVE_decrement_and_branch_on_count.
	(insert_bct, instrument_loop_bct): Likewise.
	(move_movables): Add parentheses around assignment used as
	truth value.
	(consec_sets_invariant_p): Likewise.
	(maybe_eliminate_biv_1): Wrap variable `new' in macro HAVE_cc0.
	* objc/objc-act.c: Include stdlib.h.
	(lookup_method_in_protocol_list): Wrap empty else-statement body
	in braces.
	(lookup_protocol_in_reflist): Likewise.
	(objc_add_static_instance): Remove unused variables `decl_expr'
	and `decl_spec'.
	(get_objc_string_decl): Remove unused variable `decl'.
	(generate_static_references): Remove unused variables `idecl' and
	`instance'.
	(check_protocols): Wrap empty else-statement body in braces.
	* protoize.c: Include stdlib.h.
	(substr): Add parentheses around assignment used as truth value.
	(abspath): Likewise.
	(shortpath): Likewise.
	* regmove.c (fixup_match_1): Add parentheses around assignment
	used as truth value.
	* reload.c (push_secondary_reload): Remove unused variable `i'.
	(find_reloads): Add parentheses around assignment used as truth
	value.
	* reload1.c: Include stdlib.h.
	* rtl.h: Correct typo in prototype of offsettable_memref_p.
	* stmt.c (add_case_node): Add parentheses around assignment used
	as truth value.
	(case_tree2list): Likewise.
	* tree.c (valid_machine_attribute): Wrap variable `decl_attr_list'
	in macro VALID_MACHINE_DECL_ATTRIBUTE.  Wrap variable
	`type_attr_list' in macro VALID_MACHINE_TYPE_ATTRIBUTE.
	(merge_attributes): Add explicit braces to avoid ambiguous
	`else'.
	* unroll.c (copy_loop_body): Wrap variable `cc0_insn' in
	macro HAVE_cc0.
	* varasm.c: Include stdlib.h.

From-SVN: r18290
 1998-02-28 07:06:53 +00:00
Jeffrey A Law
29a820586a varasm.c (output_constant_pool): Bring back 'done' label inside an appropriate #ifdef. 
* varasm.c (output_constant_pool): Bring back 'done' label inside
        an appropriate #ifdef.
        * bitmap.c (bitmap_element_allocate): Wrap variable 'i' in an
        appropriate #ifdef.
        (bitmap_copy, bitmap_operation): Likewise.
        * combine.c (combinable_i3pat): Similarly for 'src'.
        * function.c (fixup_var_refs_1): Similarly for 'outerdest'.
        (locate_and_pad_parm): Similarly for 'reg_parm_stack_space'.
        * regclass.c (copy_cost): Similarly for 'secondary_class'.
        * reload.c (make_memloc): Simliarly for 'i'.
        (find_reloads_address_1): Similarly for 'link'.
        * reload1.c (reload): Similarly for 'previous_frame_pointer_needed'.
        (emit_reload_insns): Similarly for 'second_reloadreg'.
        * unroll.c (iteration_info): Similarly for 'v'.
        * caller-save.c (insert_save_restore): Remove unused variable 'i'.
        * calls.c (expand_call): Similarly for 'i'.
        (emit_library_call, emit_library_call_value): Similarly for 'mode'.
        * fold-const.c (strip_compund_expr): Similarly for 'type'.
        * function.c (fixup_var_refs_1): Similarly  for 'width'.
        (fixup_memory_subreg): Similarly for 'saved'.
        (locate_and_pad_parm): Similarly for 'boundary_in_bytes.'
        (setjmp_protect): Similarly for 'sub'.
        (thread_prologue_and_epilogue_insns): Similarly for 'insn'.
        * loop.c (record_giv): Similarly for 'p'.
        (combine_givs): Similarly for 'temp_iv'.
        (indirect_jump_in_function_p): Similarly for 'is_indirect_jump'.
        * recog.c (validate_replace_rtx_1): Similarly for 'width'.
        * tree.c (get_set_constructor_bytes): Similarly for 'vals'.
        * unroll.c (unroll_loop): Similarly for 'copy'.
        (iteration_info): Similarly for 'b'.
        * varasm.c (assemble_string): Similarly for 'i'.
        * i386.h (LEGITIMIZE_ADDRESS): Similarly for 'orig_x'.

From-SVN: r17973
 1998-02-13 18:13:58 -07:00
Jeffrey A Law
b515ab3d51 * function.c (assign_parms): Fix typo in last change. 
From-SVN: r17769
 1998-02-07 16:08:24 -07:00
Jim Wilson
bf9c83fe76 Fix irix6 stdarg failure when last named arg has FP type. 
* function.c (assign_parms): New variable named_arg, with value
	depending on STRICT_ARGUMENT_NAMING.  Use instead of ! last_named.

From-SVN: r17695
 1998-02-06 06:31:56 -08:00
Jeffrey A Law
c980413689 More bytecode stuff disappears. 
From-SVN: r17435
 1998-01-20 03:02:05 -07:00
Jeffrey A Law
b93a436e6b Makefile.in: Remove all bytecode support. 
* Makefile.in: Remove all bytecode support.
        (OBJS): Make sure last entry is a real object file, not EXTRA_OBJS.
        * emit-rtl.c: Remove all bytecode support.
        * expr.c, expr.h function.c, integrate.c: Likewise.
        * output.h, regclass.c, rtl.h, stmt.c, toplev.c: Likewise.
        * tree.h, varasm.c: Likewise.
        * bi-*, bc-*: Delete bytecode related files.
Bytecode suppors disappears :-)

From-SVN: r17432
 1998-01-20 01:55:07 -07:00
Richard Henderson
38a448ca5d alias.c: Change all uses of gen_rtx(FOO...) to gen_rtx_FOO... 
* alias.c: Change all uses of gen_rtx(FOO...) to gen_rtx_FOO;
change gen_rtx(expr...) to gen_rtx_fmt_foo(expr...).
* caller-save.c, calls.c, combine.c, cse.c: Likewise.
* dwarf2out.c, except.c, explow.c, expmed.c, expr.c: Likewise.
* final.c, flow.c, function.c, genpeep.c, haifa-sched.c: Likewise.
* halfpic.c, integrate.c, jump.c, local-alloc.c, loop.c: Likewise.
* profile.c, recog.c, reg-stack.c, regclass.c, regmove.c: Likewise.
* reload.c, reload1.c, reorg.c, sched.c, stmt.c, stupid.c: Likewise.
* unroll.c, varasm.c: Likewise.
* config/alpha/alpha.c, config/alpha/alpha.md: Likewise.

From-SVN: r17357
 1998-01-14 15:10:50 -08:00
Jeff Law
c85f7c16ad Bring in final gcc-2.8.0 changes. 
From-SVN: r17355
 1998-01-14 13:57:58 -07:00
Jeff Law
6d8ccdbbb2 Bring over changes from latest gcc-2.8 pre-release. 
Mirror sched.c change into haifa-sched.c

From-SVN: r17097
 1997-12-15 00:05:04 -07:00
Jeff Law
956d69504d Merge from gcc-2.8 
From-SVN: r16987
 1997-12-06 17:31:01 -07:00
Jeff Law
e9a25f70a0 Update mainline egcs to gcc2 snapshot 971021. 
From-SVN: r16278
 1997-11-02 14:19:36 -07:00
Doug Evans
de95730392 function.c (assign_parms): Correct mode of stack_parm if entry_parm underwent a mode conversion. 
* function.c (assign_parms): Correct mode of stack_parm if
        entry_parm underwent a mode conversion.

From-SVN: r16228
 1997-10-28 23:54:49 -07:00
Jason Merrill
d1485032c8 tree.c (restore_tree_status): Also free up temporary storage when we finish a toplevel function. 
* tree.c (restore_tree_status): Also free up temporary storage
	when we finish a toplevel function.
	(dump_tree_statistics): Print stats for backend obstacks.

	* libgcc2.c (__throw): Don't copy the return address.
	* dwarf2out.c (expand_builtin_dwarf_reg_size): Ignore return address.

	* except.c (exceptions_via_longjmp): Initialize to 2 (uninitialized).
	* toplev.c (main): Initialize exceptions_via_longjmp.

	* tree.c: Add extra_inline_obstacks.
	(save_tree_status): Use it.
	(restore_tree_status): If this is a toplevel inline obstack and we
	didn't want to save anything on it, recycle it.
	(print_inline_obstack_statistics): New fn.
	* function.c (pop_function_context_from): Pass context to
	restore_tree_status.
	* obstack.h (obstack_empty_p): New macro.

From-SVN: r16050
 1997-10-18 17:10:32 -04:00
Jeffrey A Law
f345de42fc reorg.c (dbr_schedule): Allow current_function_return_rtx to be something other than a REG. 
* reorg.c (dbr_schedule): Allow current_function_return_rtx
        to be something other than a REG.
        * function.c (expand_function_end): Fix current_function_return_rtx
        if it was a pseudo.
Brought over from the fsf/devo.

From-SVN: r14972
 1997-08-27 13:59:51 -06:00
Richard Kenner
86fa911a16 (put_var_into_stack, assign_parms): If -fcheck-memory-usage, set the 
rights of pushed variable.

From-SVN: r14614
 1997-08-02 13:18:18 -04:00
Richard Kenner
4ac74fb88f (put_var_into_stack, trampoline_address): Treat inline_function_decl 
like current_function_decl.

From-SVN: r14539
 1997-07-27 19:34:28 -04:00
Richard Kenner
11044f6690 (expand_function_end): If function is non-leaf and stack checking is 
requested, emit needed probes.

From-SVN: r14470
 1997-07-17 11:25:54 -04:00
Mike Stump
e5a1e0e864 function.c (expand_function_end): Make sure we finish off any leftover exception handlers. 
* function.c (expand_function_end): Make sure we finish off any
	leftover exception handlers.

From-SVN: r14067
 1997-05-15 02:25:25 +00:00
Mike Stump
db3cf6fb33 reformat a little to match GNU coding standards. 
From-SVN: r14024
 1997-05-06 23:05:54 +00:00
Jason Merrill
173cd503de x 
From-SVN: r13974
 1997-04-24 02:55:16 +00:00
Jim Wilson
ce717ce4d3 (instantiate_decls): For DECL_INCOMING_RTL, use max 
of type size and mode size in instantiate_decl call.

From-SVN: r13933
 1997-04-18 15:40:55 -07:00
Jim Wilson
7b05e28661 (expand_function_start): Emit queue after expanding 
each dynamic parameter type.

From-SVN: r13835
 1997-04-03 12:26:33 -08:00
Doug Evans
82e415a358 function.c (expand_function_end): Output NOTE_REPEATED_LINE_NUMBER for last line of function. 
* function.c (expand_function_end): Output NOTE_REPEATED_LINE_NUMBER
	for last line of function.

From-SVN: r13815
 1997-03-28 22:36:31 +00:00
Ian Lance Taylor
38b610ed8e Add a REG_EQUIV note when a register parameter has a stack location 
From-SVN: r13734
 1997-03-18 20:00:01 +00:00
Jason Merrill
a1d7ffe39c x 
From-SVN: r13652
 1997-02-16 10:05:43 +00:00
Richard Kenner
1995f267b7 (assign_stack_temp): Clear MEM flags from reuse. 
From-SVN: r13623
 1997-02-09 14:05:39 -05:00
Richard Kenner
7694ce359a (instantiate_virtual_regs_1, case USE, CLOBBER): Fix error in last change. 
From-SVN: r13615
 1997-02-07 08:19:33 -05:00
Richard Kenner
189cc3779a (TRAMPOLINE_ALIGNMENT): Provide default. 
(expand_function_end): Use TRAMPOLINE_ALIGNMENT instead of FUNCTION_BOUNDARY.

From-SVN: r13567
 1997-01-30 08:57:32 -05:00
Richard Kenner
85b119d1b7 (mark_all_temps_used): Set KEEP as well. 
From-SVN: r13541
 1997-01-21 16:03:29 -05:00
Richard Kenner
4fd796bbb5 (instantiate_virtual_regs_1... 
(instantiate_virtual_regs_1, case USE, case CLOBBER): Properly handle
case of shared MEM whose replacement is not valid.

From-SVN: r13509
 1997-01-19 08:57:20 -05:00
Richard Kenner
01c1558a9c (push_function_context_to, pop_function_context_from): Save and 
restore current_function_args_info.

From-SVN: r13353
 1997-01-03 07:51:07 -05:00
Ian Lance Taylor
f95182a4a9 Check SMALL_REGISTER_CLASSES at runtime 
From-SVN: r13302
 1996-12-13 01:00:49 +00:00
Richard Kenner
ef933d2601 (fixup_var_refs_1, case ZERO_EXTRACT): Don't call fixup_memory_subreg 
if no longer SUBREG of MEM.

From-SVN: r13282
 1996-12-11 17:00:41 -05:00
Richard Kenner
8af5168bae (frame_offset, get_frame_size): Make HOST_WIDE_INT. 
From-SVN: r13243
 1996-12-07 18:49:12 -05:00
Jim Wilson
ecec444145 (expand_function_end): Handle BLKmode structures returned 
in registers.

From-SVN: r13117
 1996-11-08 17:37:54 -08:00
Richard Kenner
ddb7361a2e (assign_parms): Use mark_user_reg. 
From-SVN: r12870
 1996-09-29 19:06:08 -04:00
Jim Wilson
87ce34d632 (instantiate_decl): Always store addr back into x. 
From-SVN: r12842
 1996-09-25 12:31:31 -07:00
Richard Kenner
27ce006bb4 (mark_all_temps_used): Fix error in last change. 
From-SVN: r12672
 1996-08-26 14:08:23 -04:00
Richard Kenner
a94e4054a9 (mark_all_temps_used): New function. 
From-SVN: r12671
 1996-08-25 22:27:04 -04:00
Mike Stump
1ef08c6373 install EH code 
From-SVN: r12550
 1996-07-23 20:09:26 +00:00
Jim Wilson
e71f7aa5b5 (aggregate_value_p): If hard_function_value returns 
a non-REG, then return 0.

From-SVN: r12413
 1996-07-08 15:11:03 -07:00
Mike Stump
0f41302f47 formatting tweaks 
From-SVN: r12390
 1996-07-03 22:07:53 +00:00
Richard Kenner
abb522465e (find_temp_slot_from_address): Check for overlap from BASE_OFFSET if X 
is PLUS of virtual_stack_vars_rtx and const.

From-SVN: r12296
 1996-06-18 07:12:49 -04:00
Richard Kenner
0e09cc26ee (fixup_var_refs_1, case SIGN_EXTEND): Handle paradoxical SUBREGs as first operand. 
(fixup_var_refs_1, case SIGN_EXTEND): Handle paradoxical SUBREGs as first
operand.
(fixup_var_regs_1, case SET): Handle paradoxical SUBREGs as first operand of
a ZERO_EXTRACT in SET_DEST.

From-SVN: r12243
 1996-06-08 13:49:13 -04:00
Jim Wilson
5c4cdc9fdf (assign_parms): Handle PARALLEL parameter in ENTRY_PARM. 
From-SVN: r12191
 1996-06-06 16:13:24 -07:00
Richard Kenner
69685820b3 (assign_parms): Tighten up code that makes REG_EQUIV notes for parms. 
From-SVN: r12186
 1996-06-06 18:38:13 -04:00
Richard Kenner
9e014ded89 Include bc-emit.h. 
({save,restore}_machine_status): Add prototype for args.
(bc_runtime_type_code, bc_build_calldesc): Delete redundant decls.
(bc_emit_trampoline, bc_end_function): Likewise.

From-SVN: r12045
 1996-05-19 12:24:26 -04:00
Doug Evans
49a2e5b2f7 * function.c (aggregate_value_p): Return 1 if TREE_ADDRESSABLE. 
From-SVN: r11957
 1996-05-09 01:04:06 +00:00
Richard Kenner
a00285d035 (assign_parms): Set RTX_UNCHANGING_P in stack_parm if parm is 
read-only.

From-SVN: r11944
 1996-05-06 18:45:05 -04:00
Richard Kenner
1e2414db59 (expand_function_end): Allow TRAMPOLINE_TEMPLATE 
to be omitted on systems for which it is not cost effective.

From-SVN: r11822
 1996-04-16 16:51:20 -04:00
Richard Kenner
1651bdfef8 (push_function_context_{to,from}): Save and restore 
current_function_returns_pointer.

From-SVN: r11812
 1996-04-16 10:19:07 -04:00
Mike Stump
9cca6a99da function.c (preserve_temp_slots): Only preserve temporaries that happen to be at the current level. 
* function.c (preserve_temp_slots): Only preserve temporaries that
	happen to be at the current level.
Fixes p7325.C.

From-SVN: r11800
 1996-04-15 18:46:12 +00:00
Jeff Law
2c7ee1a641 calls.c (expand_call): Remove current_call_is_indirect nonsense. 
* calls.c (expand_call): Remove current_call_is_indirect nonsense.
	Add additional argument to INIT_CUMULATIVE_ARGS.
	(emit_library_call): Likewise.
	(emit_library_call_value): Likewise.
	* expr.c (expand_builtin): Likewise.
	* function.c (assign_parms): Likewise.
	* cp/method.c (emit_thunk): Likewise.
	* config/pa/pa.h (hppa_args): New field "indirect".
	(INIT_CUMULATIVE_ARGS): Initialize "indirect" field.
	(FUNCTION_ARG): Check "indirect" field, rather than
	"current_call_is_indirect".
	* All other backends updated with new argument to
	INIT_CUMULATIVE_ARGS

From-SVN: r11641
 1996-03-29 07:37:11 -07:00
Jason Merrill
6d7306f76e (expand_function_start): Don't set up context_display 
unless current_function_needs_context.

From-SVN: r11615
 1996-03-26 00:17:01 +00:00
Jason Merrill
38ee6ed956 (expand_expr, case *_DECL): If we make a non-local reference from a function with DECL_NO_STATIC_CHAIN set, abort. 
(expand_expr, case *_DECL): If we make a non-local
        reference from a function with DECL_NO_STATIC_CHAIN set, abort.
        (expand_expr, case ADDR_EXPR): We don't need a trampoline for a
        function with DECL_NO_STATIC_CHAIN set.

From-SVN: r11461
 1996-03-05 22:16:33 +00:00
Richard Kenner
f6127c6a4a (bc_expand_function_start): Likewise. 
From-SVN: r11412
 1996-03-04 08:40:01 -05:00
Richard Kenner
b02ab63aa4 ({,round_}trampoline_address): TRAMPOLINE_ALIGNMENT is in bits, not 
bytes.

From-SVN: r10993
 1996-01-15 14:57:49 -05:00
Richard Kenner
b55d9ff814 (assign_temp): Add extra arg, DONT_PROMOTE. 
Don't return (const_int 0) for VOIDmode.

From-SVN: r10923
 1995-12-31 21:26:06 -05:00
Richard Kenner
e1686233d2 (instantiate_decls): Check DECL_SAVED_INSNS to see if obstack change 
is needed.

From-SVN: r10915
 1995-12-31 15:03:23 -05:00
Richard Kenner
638141a689 (assign_temp): Fix formatting. 
From-SVN: r10905
 1995-12-30 06:36:58 -05:00
Per Bothner
230f21b48b function.c (assign_temp): New function. 
* function.c (assign_temp):  New function.  Can handle Chill-style
variable-sized array with static maximum size.

From-SVN: r10899
 1995-12-29 11:14:31 -08:00
Per Bothner
f9f29478ed * function.c (assign_parms): Fix thinko for struct value arg. 
From-SVN: r10897
 1995-12-29 11:05:20 -08:00
Richard Kenner
6c6166bdcb (assign_parms): Set REGNO_POINTER_ALIGN for parms that are pointers. 
From-SVN: r10868
 1995-12-27 15:22:26 -05:00
Richard Kenner
1d273bf509 (fixup_var_refs_1): Fix error in last change (when mode of VAR is not 
the same as PROMOTED_MODE).

From-SVN: r10795
 1995-12-18 07:49:21 -05:00
Richard Kenner
c46722a717 (fixup_var_refs_1): Fix two incorrect calls to single_set. 
From-SVN: r10776
 1995-12-16 06:57:01 -05:00
Richard Kenner
bc0ebdf9ee (init_temp_slots): New function. 
(init_function_start): Code moved to new function and called here.

From-SVN: r10733
 1995-12-15 08:09:24 -05:00
Mike Stump
b2a59b1589 function.c (identify_blocks): Start with a chain of BLOCKs to match the rest of the backend (dbxout.c)... 
* function.c (identify_blocks): Start with a chain of BLOCKs to
	match the rest of the backend (dbxout.c), instead of just one
	BLOCK.
	(reorder_blocks): Ditto.
	(all_blocks): Ditto.

	* stmt.c (find_loop_tree_blocks): Pass the toplevel list of
	blocks, not just the first subblock.
Fixes unroll1.C.

From-SVN: r10712
 1995-12-14 00:00:20 +00:00
Richard Kenner
926d1ca5a3 (fixup_var_refs_1): Make pseudo for DEST in PROMOTED_MODE unless in a 
SUBREG.

From-SVN: r10608
 1995-11-26 14:50:48 -05:00
Richard Kenner
0006e95bb3 (put_reg_into_stack): New arg volatile_p. 
(put_var_into_stack): Call with new arg.

From-SVN: r10579
 1995-11-12 18:09:22 -05:00
Richard Kenner
926b1b9906 (assign_parms): Don't trust the callee to copy a TREE_ADDRESSABLE 
type.

From-SVN: r10527
 1995-10-26 21:55:22 -04:00
Richard Kenner
41fd457e3e (init_function_start): Don't call init_insn_lengths here. 
From-SVN: r10483
 1995-10-20 17:57:07 -04:00
Richard Kenner
291dde90f0 (assign_stack_temp): Adjust full_size field of temp_slot when 
splitting an unused slot.

From-SVN: r10422
 1995-10-03 12:02:38 -04:00
Richard Kenner
4738c10dc6 (put_var_into_stack): For CONCAT case, order of placement depends on 
FRAME_GROWS_DOWNWARD, not STACK_GROWS_DOWNWARD.

From-SVN: r10344
 1995-09-12 18:48:36 -04:00
Richard Kenner
abc95ed36d Fix spelling errors. 
From-SVN: r10289
 1995-08-28 06:54:22 -04:00
Richard Kenner
307d8cd67d (assign_stack_temp): When split a slot, set base_offset and full_size in the newly created slot. 
(assign_stack_temp): When split a slot, set base_offset and full_size in the
newly created slot.
(combine_temp_slots): Update full_size when slots are combined.

From-SVN: r10185
 1995-07-28 09:09:22 -04:00
Richard Kenner
fc91b0d0aa (struct temp_slot): New fields base_offset, full_size. 
(assign_stack_temp): For !FRAME_GROWS_DOWNWARD, set p->size to size.
Set new fields base_offset and full_size.
(combine_temp_slots): Use new fields base_offset and full_size instead
of slot and size.

From-SVN: r10136
 1995-07-14 19:15:58 -04:00
Richard Kenner
ebb904cbbe (current_function_stdarg): New global variable. 
(push_function_context_to): Save it.
(pop_function_context_from): Restore it.
(assign_parms): Set it.
(init_function_start): Clear it.

From-SVN: r10123
 1995-07-14 08:03:09 -04:00
Richard Kenner
0cd6ef3529 (setjmp_args_warning): Remove bogus arg. 
From-SVN: r10109
 1995-07-10 19:14:25 -04:00
Richard Kenner
ad2413517b (assign_parms): Do all conversions in CONVERSION_INSNS. 
From-SVN: r9992
 1995-06-15 17:51:06 -04:00
Richard Kenner
a35311b035 Update FSF address. 
From-SVN: r9961
 1995-06-15 07:52:21 -04:00
Richard Kenner
95f2916038 (assign_parms): Use convert_to_mode instead of gen_lowpart when 
converting incoming parm.

From-SVN: r9941
 1995-06-14 05:51:51 -04:00
Richard Kenner
621061f4f3 (assign_parms): Handle promotions of both passed and nominal modes separately and insert needed conversions. 
(assign_parms): Handle promotions of both passed and nominal modes separately
and insert needed conversions.
(promoted_input_arg): Return 0 if nominal and passed modes differ.

From-SVN: r9922
 1995-06-11 13:13:53 -04:00
Richard Kenner
cd5b346969 (assign_parms): Don't call promote_mode on arg unless 
PROMOTE_FUNCTION_ARGS defined.

From-SVN: r9904
 1995-06-08 18:49:09 -04:00
Richard Kenner
9faa82d8c0 Fix typos in comments. 
From-SVN: r9712
 1995-05-16 08:39:54 -04:00
Jason Merrill
497dc802f6 (expand_function_end): Don't warn about unused 
anonymous or artificial parms.

From-SVN: r9585
 1995-05-07 10:28:12 +00:00
Richard Kenner
db8717d93b (expand_function_end): Warn about unused parms if both -Wunused and -W. 
From-SVN: r9489
 1995-04-26 17:56:19 -04:00
Richard Kenner
9dc0f53144 (assign_parms): If STACK_REGS is defined... 
(assign_parms): If STACK_REGS is defined, generate USE insns before
the function body, thus showing which registers are filled with
parameters.

From-SVN: r9461
 1995-04-25 19:08:04 -04:00
Jason Merrill
657bb6dc84 Use TREE_ADDRESSABLE rather than | TYPE_NEEDS_CONSTRUCTING to decide whether a... 
Use TREE_ADDRESSABLE rather than
|        TYPE_NEEDS_CONSTRUCTING to decide whether a parameter needs to be
|        passed by invisible reference.

From-SVN: r9420
 1995-04-20 22:26:30 +00:00
Jim Wilson
79c0672ee6 (instantiate_decls): Use temporary allocation if 
DECL_DEFER_OUTPUT is set.

From-SVN: r9394
 1995-04-17 12:23:52 -07:00
Richard Kenner
6dfc5c6de5 (preserve_temp_slots): Clear ADDR_TAKEN on item that we are 
preserving.

From-SVN: r9236
 1995-03-27 20:45:05 -05:00
Richard Kenner
49468af2d9 (pop_function_context): Fix error in last change; reference old value 
of current_function_decl before we modify it.

From-SVN: r9202
 1995-03-18 16:37:13 -05:00
Jason Merrill
a0dabda52b Handle compilation of nested functions from another scope. 
From-SVN: r9185
 1995-03-15 21:48:01 +00:00
Per Bothner
b001a02f29 Remove Feb 28's FUNCTION_NEEDS_STATIC_CHAIN changes. 
From-SVN: r9106
 1995-03-01 19:33:25 -08:00
Per Bothner
7ad8c4bf11 function.c (lookup_static_chain): Check for a static chain using FUNCTION_NEEDS_STATIC_CHAIN. 
* function.c (lookup_static_chain):  Check for a static chain
using FUNCTION_NEEDS_STATIC_CHAIN.
(init_function_start):  Set current_function_needs_context depending
on FUNCTION_NEEDS_STATIC_CHAIN rather than decl_function_context.

From-SVN: r9096
 1995-02-28 15:06:03 -08:00
Richard Kenner
64e6d9cc49 (assign_parms): Added arg to RETURN_POPS_ARGS. 
From-SVN: r9011
 1995-02-21 18:48:03 -05:00
Jim Wilson
71cd4a8d33 (delete_handlers): When clear LABEL_PRESERVE_P, 
also remove label from nonlocal_label list.

From-SVN: r8782
 1995-01-20 17:58:34 -08:00
Richard Kenner
4013a70901 (optimize_bit_field): Don't remove a SUBREG that changes mode class. 
From-SVN: r8744
 1995-01-13 18:43:36 -05:00
Jeff Law
3668e76e90 calls.c (expand_call): Set MEM_IN_STRUCT_P as needed on return value from assign_stack_temp. 
* calls.c (expand_call): Set MEM_IN_STRUCT_P as needed on return
	value from assign_stack_temp.
	(store_one_arg): Likewise.
	* expr.c (save_noncopied_parts): Likewise.
	(expand_expr): Likewise.
	* function.c (assign_parms): Likewise.
	* integrate.c (expand_inline_function): Likewise.
	* stmt.c (expand_decl): Likewise.

From-SVN: r8708
 1994-12-29 19:50:28 -07:00
Doug Evans
b1f82ccff1 (instantiate_virtual_regs_1, case PLUS): If offset is 
zero, make sure register replacement is still validated.

From-SVN: r8649
 1994-12-13 15:04:05 +00:00
Doug Evans
ea5917da8d (locate_and_pad_parm): Don't call pad_below for BLKmode parms in regs. 
From-SVN: r8645
 1994-12-12 18:14:40 +00:00
Doug Evans
d4b0a7a049 (locate_and_pad_parm): Do padding before rounding 
so pad_below knows how much is needed.

From-SVN: r8622
 1994-12-07 20:58:08 +00:00
Ian Lance Taylor
f76b9db287 Check target endianness at run time, not compile time 
From-SVN: r8470
 1994-11-16 21:10:09 +00:00
Jason Merrill
8eda074c87 (init_function_start): Use 
POINTER_TYPE_P rather than checking the type against POINTER_TYPE
        (to include references).

From-SVN: r8458
 1994-11-16 00:45:41 +00:00
Doug Evans
b2a80c0d2b (assign_stack_temp): Compute size of slot after 
assign_stack_local has accounted for alignment.

From-SVN: r8438
 1994-11-15 14:55:15 +00:00
Richard Kenner
84e24c036d (assign_stack_temp): Always initialize p->rtl_expr. 
From-SVN: r8429
 1994-11-11 18:55:49 -05:00
Richard Kenner
199b61d8f8 (preserve_rtl_expr_result): find_temp_slot_from_address now used. 
Don't bring the temp slot to an inner level than it was.

From-SVN: r8427
 1994-11-11 17:37:45 -05:00
Richard Kenner
73620b82c8 (preserve_temp_slots): Preserve anything whose address was taken when 
X is zero.

From-SVN: r8363
 1994-10-31 07:24:20 -05:00
Per Bothner
f733963397 * function.c (current_function_outgoing_args_size): Update comment. 
From-SVN: r8291
 1994-10-17 16:09:35 -07:00
Richard Kenner
e19571dbde (preserve_temp_slots): If X cannot be a temp slot, preserve all things 
whose address was taken at the present level.

From-SVN: r8238
 1994-10-07 16:13:58 -04:00
Richard Kenner
303ec2aa60 (assign_stack_temp): Abort if SIZE == -1. 
From-SVN: r8235
 1994-10-07 08:28:44 -04:00
Richard Kenner
a25d4ba2f6 (struct temp_slot): New field addr_taken. 
(assign_stack_temp): Initialize it.
(mark_temp_addr_taken): New function.
(preserve_temp_slots): Decrement level of things at same level but whose
address has been taken.

From-SVN: r8224
 1994-10-06 06:52:10 -04:00
Jason Merrill
e4a4639ef0 ontext, adds argument to indicate that the new function is not a nested function. 
ontext, adds argument to indicate that the new
        function is not a nested function.
        (push_function_context): Call it.
        (pop_function_context{,_from}): Similarly.

From-SVN: r8205
 1994-10-02 23:16:51 +00:00
Richard Kenner
e87ee2a99d (trampoline_address): Add missing call to round_trampoline. 
From-SVN: r8157
 1994-09-28 19:18:05 -04:00
Richard Kenner
b88a314292 (optimize_bit_field): Put any insns made by change_address in front of INSN. 
(expand_function_end): Don't pass DECL_INITIAL to setjmp_protect if it is
error_mark_node.

From-SVN: r8146
 1994-09-27 18:29:21 -04:00
Richard Kenner
7cbc7b0cac (pop_function_context): Clear reg_renumber. 
From-SVN: r8103
 1994-09-20 17:51:32 -04:00
Jim Wilson
7a30f0c44e (assign_parms): Set RTX_UNCHANGING_P on stack_parm 
for const parameter before calling move_block_from_reg.

From-SVN: r8075
 1994-09-12 11:51:39 -07:00
Jason Merrill
e2fd1d94b8 (expand_main_function): Don't call __main if 
HAS_INIT_SECTION is defined.

From-SVN: r8067
 1994-09-10 00:34:51 +00:00
Richard Kenner
3f46679a3c (assign_parms): If parm is transparent union, use type of first field. 
From-SVN: r7948
 1994-08-19 17:33:13 -04:00
Richard Kenner
426749e8af (expand_function_start): Add redundant copy to static_chain_incoming_rtx if... 
(expand_function_start): Add redundant copy to
static_chain_incoming_rtx if SMALL_REGISTER_CLASS so inlining works
properly.

From-SVN: r7909
 1994-08-12 18:59:14 -04:00
Richard Kenner
ac9e20f0fb (expand_function_start): Only use static_chain_incoming_rtx once if it 
is a REG and we have SMALL_REGISTER_CLASSES.

From-SVN: r7873
 1994-08-08 17:08:00 -04:00
Richard Kenner
4acc00bf75 (expand_function_start): Initialize VALUE_ADDRESS. 
From-SVN: r7823
 1994-07-29 18:50:41 -04:00
Jason Merrill
4ac3d99407 tree.h (TYPE_NEEDS_CONSTRUCTING): New macro. 
Wed Jul 13 03:30:36 1994  Jason Merrill  (jason@deneb.cygnus.com)

        * tree.h (TYPE_NEEDS_CONSTRUCTING): New macro.
        (tree_type): Add needs_constructing_flag.
        * function.c (assign_parms): If TYPE_NEEDS_CONSTRUCTING, pass by
        invisible reference.
        * calls.c (expand_call): Ditto.

From-SVN: r7758
 1994-07-13 11:06:24 +00:00
Richard Kenner
dfd3dae6c2 (instantiate_virtual_regs_1): Remove last change. 
From-SVN: r7697
 1994-07-10 08:18:01 -04:00
Richard Kenner
a890174971 (instantiate_virtual_regs_1, case SET): If DEST is 
virtual_stack_vars_rtx, replace with hardware frame pointer.

From-SVN: r7687
 1994-07-08 18:26:41 -04:00
Mike Stump
d93d4205f1 fix temp lifetime (FOR TARGET_EXPRs only) 
From-SVN: r7681
 1994-07-08 20:45:14 +00:00
Richard Kenner
4c9a05bc55 Cast pointer operands to bzero, bcopy, and bcmp to (char *). 
From-SVN: r7472
 1994-06-14 18:19:28 -04:00
Richard Kenner
ba6da62704 (assign_parms): Set REG_USERVAR_P when parm is passed by invisible 
reference but can live in register.

From-SVN: r7366
 1994-05-27 16:13:41 -04:00
Richard Kenner
6673dddf4b (assign_parms): Fix typo in previous change. 
From-SVN: r7283
 1994-05-12 18:11:20 -04:00
Richard Kenner
5fa7422be7 (fixup_var_refs_insns): Change from USE and CLOBBER insns to using 
CALL_INSN_FUNCTION_USAGE.

From-SVN: r7244
 1994-05-06 17:50:04 -04:00
Richard Kenner
a03caf76d7 (assign_parms): Spread out the REG_EQUIV notes on 
CONCATs.

From-SVN: r7232
 1994-05-06 14:04:37 -04:00
Richard Kenner
1fd3ef7f65 (assign_parms): Use expr_size when appropriate. 
From-SVN: r7228
 1994-05-06 13:32:34 -04:00
Per Bothner
05e3bdb9cb Use new macro AGGREGATE_TYPE_P. 
From-SVN: r7160
 1994-04-26 16:56:21 -07:00
Richard Kenner
e15679f8d6 Add prototypes for static functions. 
(bc_expand_function_end, expand_function_end): Call new expand_fixups
instead of old fixup_gotos.

From-SVN: r7116
 1994-04-21 15:30:29 -04:00
Richard Kenner
a5a52dbc09 (assign_parms, promoted_input_arg, expand_function_start): Use promote_mode. 
From-SVN: r7068
 1994-04-18 14:51:48 -04:00
Jeff Law
0b21dcf57a function.c (locate_and_pad_parm): For ARGS_GROW_DOWNWARD... 
* function.c (locate_and_pad_parm): For ARGS_GROW_DOWNWARD,
        Round sizetree for both upward and downward padding, nuke
        the (now unnecessary) call to pad_below for arg_size_ptr.

From-SVN: r7056
 1994-04-16 23:14:50 -06:00
Richard Kenner
45620ed410 No longer handle LSHIFT. 
From-SVN: r7020
 1994-04-10 08:03:37 -04:00
Richard Kenner
3c8cd8bd6e (unitialized_vars_warning, setjmp_args_warning): Reword warning to be 
less ambiguous.

From-SVN: r7005
 1994-04-09 09:47:29 -04:00
Richard Kenner
3b69d50e4d (push_function_context): Use current_function_varargs. 
(pop_function_context): Likewise.
(assign_parms): Respect current_function_varargs.
Save args_so_far in any case.

From-SVN: r6983
 1994-04-06 07:47:24 -04:00
Richard Kenner
f0c51a1e34 (expand_function_start): Delay copying static chain. 
From-SVN: r6979
 1994-04-06 07:21:12 -04:00
Richard Kenner
e3a771613f (preserve_temp_slots): If argument is REG, see if it is address of a 
temp slot we know about.

From-SVN: r6843
 1994-03-21 17:15:32 -05:00
Richard Kenner
ccdecf58a9 (assign_parms, expand_function_start): Properly set MEM_IN_STRUCT_P 
for DECL_RTL of function result.

From-SVN: r6791
 1994-03-14 17:31:43 -05:00
Richard Kenner
63770d6ae3 (fixup_var_refs_insn): Delete CLOBBER of VAR. 
(fixup_var_refs_insn): Delete CLOBBER of VAR.  If VAR is being
assigned into by a libcall sequence, remove the libcall notes.

From-SVN: r6632
 1994-02-26 16:12:46 -05:00
Richard Kenner
e5e761396e (struct temp_slot): Add new field, ADDRESS. 
(assign_stack_temp): Initialize it to zero.
(find_temp_slot_from_address, update_temp_slot_address): New functions.
(preserve_temp_slots): Use find_temp_slot_from_address.

From-SVN: r6496
 1994-02-06 19:59:58 -05:00
Richard Kenner
3d329b07b7 (assign_parms): Call gen_realpart and gen_imagpart instead of 
gen_lowpart and gen_highpart.

From-SVN: r6379
 1994-01-10 19:36:36 -05:00
Richard Kenner
422c8f6335 (preserve_rtl_expr_result): New function. 
From-SVN: r6367
 1994-01-10 19:05:31 -05:00
Richard Kenner
83eb3b0ddb (thread_prologue_and_epilogue_insns): When constructing USE chain, set both NEXT_INSN and PREV_INSN links. 
(thread_prologue_and_epilogue_insns): When constructing USE chain, set
both NEXT_INSN and PREV_INSN links.  Also, preserve order of USE insns
in chain.

From-SVN: r6215
 1993-12-12 06:18:21 -05:00
Richard Kenner
e7a84011d2 Declare sequence_rtl_expr. 
(struct temp_slot): New field rtl_expr.
(assign_stack_temp): Set it from sequence_rtl_expr.
({free,pop}_temp_slots): Don't free any slot with nonzero rtl_expr.
(free_temps_for_rtl_expr): New function.

From-SVN: r6161
 1993-11-25 18:10:57 -05:00
Richard Kenner
980697fdbe Clean up comment formatting. 
From-SVN: r6158
 1993-11-25 10:53:19 -05:00
Richard Stallman
1be0704635 (expand_function_end): New arg END_BINDINGS. 
From-SVN: r6141
 1993-11-23 06:19:36 +00:00
Richard Stallman
c110c53d6e (assign_parms): Clear STACK_PARM when we have a 
pass-by-pointer parm that we load into a pseudo.

From-SVN: r6098
 1993-11-15 05:40:19 +00:00
Richard Kenner
e5884dacd5 (expand_function_start): If not optimizing, ensure we mark context 
display regs as live for the entire function.

From-SVN: r5995
 1993-11-04 13:29:59 -05:00
Richard Stallman
7b1a0c14e9 (assign_parms): If parmreg is a CONCAT, handle the 
case where stack_parm is 0.

From-SVN: r5940
 1993-10-30 06:04:50 +00:00
Richard Stallman
14aceb299b (assign_parms): Properly set parm_reg_stack_loc for args that are a CONCAT. 
From-SVN: r5819
 1993-10-20 03:43:31 +00:00
Richard Kenner
2849864429 (trampoline_address): Don't allocate anything from parent function's 
current obstack.

From-SVN: r5734
 1993-10-11 13:56:01 -04:00
Richard Stallman
467664666a (save_machine_status, restore_machine_status): New vars. 
(push_function_context, pop_function_context): Use them.

From-SVN: r5721
 1993-10-11 03:02:46 +00:00
Richard Kenner
4da73fa0ba (put_reg_into_stack): Allocate fixup structure in saveable obstack. 
From-SVN: r5714
 1993-10-10 17:10:48 -04:00
Richard Kenner
a14ae50814 (assign_parms): Pass objects who size depends on the contents of the 
object by invisible reference.

From-SVN: r5585
 1993-10-03 21:48:54 -04:00
Richard Kenner
0eb202977b (push_temp_slots, pop_temp_slots): Always change level. 
From-SVN: r5523
 1993-09-28 21:24:47 -04:00
Richard Stallman
ae0d828893 (expand_main_function): Put back accidentally 
deleted previous change to use NAME__MAIN.

From-SVN: r5519
 1993-09-28 23:16:09 +00:00
Doug Evans
b37f453b2a function.c: (instantiate_virtual_regs_1... 
* function.c: (instantiate_virtual_regs_1, case MEM): references to
MEM via the hard frame pointer shouldn't be copied.

From-SVN: r5456
 1993-09-24 19:42:16 +00:00
Jan Brittenson
e7a4277263 changed bytecode rtx structure references into macros 
From-SVN: r5435
 1993-09-23 10:08:13 -07:00
Jan Brittenson
c20bf1f3b3 bytecode modifications 
From-SVN: r5405
 1993-09-22 11:45:56 -07:00
Richard Stallman
e9b7093a9f (combine_temp_slots): Handle deletion properly. 
Free the RTL that is allocated.

From-SVN: r5401
 1993-09-22 18:29:43 +00:00
Jim Wilson
8634413a53 (current_function_has_nonlocal_goto): New var. 
(push_function_context): Save it.
(pop_function_context): Restore it.
(init_function_start): Init it.

From-SVN: r5336
 1993-09-15 23:12:57 -07:00
Richard Stallman
d181c15421 (aggregate_value_p): Allow type node as argument. 
From-SVN: r5328
 1993-09-15 13:39:18 +00:00
Richard Stallman
cb61f66f5b (assign_parms): When parm needs conversion on entry, 
don't store it back in the slot where it was passed.

From-SVN: r5261
 1993-09-05 20:01:32 +00:00
Jim Wilson
a45035b6ed (assign_stack_temp): When allocate a slot too large, 
split extra off into a slot of its own.
(combine_temp_slots): New function.
(free_temp_slots, pop_temp_slots): Call combine_temp_slots.

From-SVN: r5232
 1993-08-31 13:30:12 -07:00
Jim Wilson
a78bdb3850 (thread_prologue_and_epilogue_insns): For the 
epilogue, put USE insns immediately before the return insn.

From-SVN: r5142
 1993-08-12 10:45:57 -07:00
Jim Wilson
f31870c1b0 (assign_parms): Pass extra argument SIZE to move_block_from_reg calls. 
(assign_parms): Pass extra argument SIZE to
move_block_from_reg calls.
(locate_and_pad_parm): For !ARGS_GROW_DOWNWARD case, move downward
padding pad_below call after round_up call.

From-SVN: r5016
 1993-07-28 10:15:25 -07:00
Richard Stallman
19fdd3eecb (assign_parms): Don't copy too much when extending parm_reg_stack_loc. 
From-SVN: r5004
 1993-07-27 18:52:32 +00:00
Richard Stallman
293e3de41c (expand_main_function): Likewise. 
(put_reg_into_stack): New subroutine.
(put_var_into_stack): Use that; handle CONCAT.

From-SVN: r4991
 1993-07-26 20:59:21 +00:00
Richard Kenner
2a64e92d30 (aggregate_value_p): An ARRAY_TYPE is also an aggregate. 
From-SVN: r4970
 1993-07-23 07:17:40 -04:00
Richard Kenner
d9a98e1a53 (init_function_start): Initialize trampoline_list here. 
(expand_function_end): Not here.

From-SVN: r4936
 1993-07-18 14:21:41 -04:00
Richard Kenner
40d055518b (fixup_stack_1): Handle current_function_internal_arg_pointer. 
From-SVN: r4777
 1993-06-27 21:15:50 -04:00
Richard Stallman
f1b985b7e2 (uninitialized_vars_warning): Change warning text. 
(setjmp_args_warning): Likewise.

From-SVN: r4635
 1993-06-05 09:10:02 +00:00
Richard Stallman
de3ab9df04 (assign_parms): Declare and set current_call_is_indirect. 
From-SVN: r4516
 1993-05-20 05:10:30 +00:00
Richard Kenner
c51d911af1 Update copyright notice. 
From-SVN: r4362
 1993-05-06 13:10:04 -04:00
Richard Kenner
ab6155b74f (walk_fixup_memory_subreg): Add new arg UNCRITICAL. 
(fixup_var_refs_insn): Call with UNCRITICAL of 1 when processing
REG_NOTES.

From-SVN: r4360
 1993-05-06 12:58:33 -04:00
Doug Evans
0b2187a9ba (assign_parms): Use mode of type, not BLKmode. 
From-SVN: r4186
 1993-04-21 00:31:18 +00:00
Doug Evans
49640f91c6 Fix style typo. 
From-SVN: r4185
 1993-04-19 19:44:49 +00:00
Doug Evans
137a2a7b83 (assign_parms): Use new FUNCTION_ARG_CALLEE_COPIES macro. 
From-SVN: r4184
 1993-04-19 19:25:29 +00:00
Richard Kenner
c1b98a9573 Treat QUAL_UNION_TYPE like UNION_TYPE when seeing if aggregate. 
From-SVN: r4118
 1993-04-13 06:47:33 -04:00
Jim Wilson
1b8297c13f (init_function_start): Always set 
current_funtion_returns_pcc_struct if PCC_STATIC_STRUCT_RETURN defined.

From-SVN: r4031
 1993-04-06 12:28:47 -07:00
Richard Kenner
4752d3bc31 (expand_function_start): When evaluating sizes of variable types, do 
so just for side-effects (the SAVE_EXPRs).

From-SVN: r3896
 1993-03-27 13:41:59 -05:00
Richard Stallman
d1e37dc7e8 (fixup_var_refs_insns): Don't delete an insn copying 
var to itself, if it's the end of a libcall group.

From-SVN: r3873
 1993-03-25 05:43:12 +00:00
Doug Evans
461beb1055 * (assign_parms): Minor cleanup. 
From-SVN: r3776
 1993-03-18 20:27:21 +00:00
Doug Evans
682a59faae * (assign_parms): Remove unnecessary #ifdef. 
From-SVN: r3747
 1993-03-15 21:43:27 +00:00
Doug Evans
9f67be1318 * (aggregate_value_p): RETURN_IN_MEMORY handles BLKmode values. 
From-SVN: r3707
 1993-03-11 23:55:44 +00:00
Richard Kenner
02a10449e3 (fixup_var_refs_insns): If SMALL_REGISTER_CLASSES... 
(fixup_var_refs_insns): If SMALL_REGISTER_CLASSES, ensure we don't put
any insns between the setting of the function return register and it's use.

From-SVN: r3660
 1993-03-05 17:37:11 -05:00
John Hassey
9392c110eb (reposition_prologue_and_epilogue_notes): Allow 
for zero length prologue and epilogue list.

From-SVN: r3465
 1993-02-12 15:52:54 +00:00
Richard Kenner
75dc33195a (promoted_input_arg): New function. 
From-SVN: r3449
 1993-02-09 18:44:25 -05:00
Richard Kenner
e15762df9d (put_var_into_stack, fixup_var_refs_insns): Minor cleanups. 
(fixup_var_refs_1, case SET): Correctly check for simple insns that don't
need fixups.

From-SVN: r3367
 1993-01-27 13:27:18 -05:00
James Van Artsdalen
f898f03121 (fixup_var_refs_1): Set INSN_CODE to -1 before seeing if new insn form 
is recognized.

From-SVN: r3281
 1993-01-19 21:27:54 +00:00
Paul Eggert
8008b22801 # Fix misspellings in comments. 
From-SVN: r3181
 1993-01-10 20:12:31 +00:00
Richard Kenner
8c3948785b (assign_parm): Fix typo introduced by previous change. 
From-SVN: r3158
 1993-01-08 16:12:18 -05:00
Jim Wilson
ea0d4c4b6d (assign_parms): Pass NULL_RTX to INIT_CUMULATIVE_*. 
From-SVN: r3107
 1993-01-05 18:59:28 -08:00
Jim Wilson
77121feee4 (fixup_var_regs_insn): Update last_parm_insn when 
insns are output after it to fix it up.

From-SVN: r3047
 1993-01-01 16:41:53 -08:00
Jim Wilson
3412b298a2 (assign_parms): Emit conversions into a sequence, and 
then output the sequence after all parameters have been moved.

From-SVN: r3025
 1992-12-31 14:21:06 -08:00
Richard Kenner
2af69b62de (assign_outer_stack_local): Align proper frame offset. 
From-SVN: r2862
 1992-12-11 07:18:03 -05:00
Torbjorn Granlund
66bcbe1954 (locate_and_pad_parm): In ARGS_GROW_DOWNWARD case, 
don't pad to argument alignment if where_pad is downward.

From-SVN: r2614
 1992-10-26 19:38:54 +00:00
Richard Stallman
b4ff474ce0 (fixup_var_refs_insns): Don't call delete_insn if not -O. 
Make a NOTE_INSN_DELETED instead.

From-SVN: r2609
 1992-10-26 05:53:07 +00:00
Richard Stallman
4cdb3e7843 (put_var_into_stack): When we operate on a pseudo 
that holds the address, use proper modes.

From-SVN: r2552
 1992-10-22 12:04:56 +00:00
Richard Stallman
2740a6786b (find_fixup_replacement): Renamed from find_replacement. 
From-SVN: r2490
 1992-10-16 14:38:26 +00:00
Richard Stallman
a506307a2f (pop_function_context, push_function_context): 
Call {save,restore}_varasm_status.

From-SVN: r2423
 1992-10-13 05:13:01 +00:00
Richard Stallman
9d790a4f73 (aggregate_value_p): Return 1 if regs we would use are not all call-clobbered. 
From-SVN: r2384
 1992-10-09 16:59:56 +00:00
Tom Wood
587cb682de (assign_parms): Provide a safe value for 
DECL_INCOMING_RTL in case of syntax errors.

From-SVN: r2375
 1992-10-08 22:08:29 +00:00
Richard Stallman
5378192b09 (get_first_block_beg): New function. 
From-SVN: r2345
 1992-10-06 21:30:51 +00:00
Richard Kenner
a53e14c093 (assign_parms): If PROMOTE_FUNCTION_ARGS is defined, see if the incoming register should be used in a wider mode. 
(assign_parms): If PROMOTE_FUNCTION_ARGS is defined, see if the incoming
register should be used in a wider mode.
(expand_function_start): Likewise for return value if PROMOTE_FUNCTION_RETURN
is defined.

From-SVN: r2263
 1992-09-27 18:18:33 -04:00
Jim Wilson
f979c996cd (push_function_context): Save epilogue_delay_list. 
(pop_function_context): Restore epilogue_delay_list.

From-SVN: r2245
 1992-09-24 22:52:48 -07:00
Richard Stallman
2baccce2f7 (put_var_into_stack): Check REG != 0 before dereference. 
From-SVN: r2198
 1992-09-21 06:46:22 +00:00
Richard Kenner
00d8a4c187 (fixup_var_refs{,_insns}): Add new parms for promoted mode and signedness; 
all callers changed.
Insert mode conversions when required.
(fixup_var_refs_1): Add new parms for mode and signedness; handle SUBREGs
for promoted values.
(assign_parms): Promote the mode of parameters when useful for the target
machine.

From-SVN: r2175
 1992-09-19 15:47:00 -04:00
Richard Stallman
7e41ffa25c (assign_parms): Set MEM_IN_STRUCT_P right in stack slots. 
From-SVN: r2157
 1992-09-19 04:46:22 +00:00
Richard Kenner
5a73491b0f (instantiate_decl): New function. 
(instantiate_decls{,_1}): Call it.

From-SVN: r1896
 1992-08-19 08:48:39 -04:00
Jim Wilson
2654605aa7 (assign_parms): When copy arg passed by invisible 
reference to pseudo reg, don't use nominal_mode.

From-SVN: r1876
 1992-08-17 11:53:26 -07:00
Tom Wood
109140655e (contains): Return the number of insns. 
(reposition_prologue_and_epilogue_notes): Count all the prologue and
        epilogue insns.

From-SVN: r1814
 1992-08-13 20:49:10 +00:00
Jim Wilson
fc289cd166 (identify_blocks): Handle case where no block nodes exist. 
(identify_blocks): Handle case where no block nodes
exist.  Use xmalloc not alloca for block_vector.
(reorder_blocks): New argument top_block.  Handle case where no
block nodes exist.  Always clear BLOCK_SUBBLOCKS (block) when
adding it to the block tree.
(all_blocks): Handle case where vector is zero. Store current
block at offset 0 in vector, not n_blocks.  Don't count current
block twice in n_blocks.

From-SVN: r1797
 1992-08-11 12:49:26 -07:00
Richard Kenner
1b2ac43859 (identify_blocks, reorder_blocks): Don't use SET_NOTE_BLOCK_NUMBER. 
From-SVN: r1756
 1992-08-02 21:43:22 -04:00
Richard Kenner
bf52625270 (reposition_prologue_and_epilogue_notes): Search for the notes without using... 
(reposition_prologue_and_epilogue_notes): Search for the notes without
using basic_block_end[0] or basic_block_head[N-1].

From-SVN: r1735
 1992-07-31 08:18:06 -04:00
Richard Stallman
16bae307a6 (assign_parms): Use const0_rtx as DECL_RTL and as 
DECL_INCOMING_RTL if tmode of parm is void.

From-SVN: r1635
 1992-07-20 02:42:59 +00:00
Richard Kenner
0c2e838b25 (instantiate_decls{,_1}): Don't do instantiation here if the address 
is mode-dependent.

From-SVN: r1615
 1992-07-17 05:58:38 -04:00
Richard Stallman
74bd77a8c6 entered into RCS 
From-SVN: r1594
 1992-07-16 19:03:06 +00:00
Richard Stallman
467456d054 *** empty log message *** 
From-SVN: r1572
 1992-07-12 18:10:29 +00:00
Richard Stallman
a82ad57075 *** empty log message *** 
From-SVN: r1568
 1992-07-12 02:50:09 +00:00
Charles Hannum
5f4f0e2294 *** empty log message *** 
From-SVN: r1471
 1992-07-06 20:04:00 +00:00
Richard Stallman
fdbfad8438 *** empty log message *** 
From-SVN: r1425
 1992-07-04 16:59:59 +00:00
Tom Wood
bdac5f5848 *** empty log message *** 
From-SVN: r1336
 1992-06-29 16:04:35 +00:00
Jim Wilson
3e2481e914 *** empty log message *** 
From-SVN: r1250
 1992-06-23 16:45:23 -07:00
Jim Wilson
d9ca49d580 *** empty log message *** 
From-SVN: r1103
 1992-05-27 14:52:26 -07:00
Jim Wilson
29008b51e3 *** empty log message *** 
From-SVN: r1025
 1992-05-19 17:41:48 -07:00
Richard Stallman
e16c591a11 *** empty log message *** 
From-SVN: r985
 1992-05-15 05:23:58 +00:00
Richard Stallman
6dc42e49d3 *** empty log message *** 
From-SVN: r930
 1992-05-07 06:41:23 +00:00
Richard Kenner
59257ff7b8 *** empty log message *** 
From-SVN: r915
 1992-05-06 07:35:29 -04:00
Jim Wilson
6f90e075cd *** empty log message *** 
From-SVN: r905
 1992-05-05 10:27:49 -07:00
Richard Stallman
6461be142d *** empty log message *** 
From-SVN: r582
 1992-03-24 19:01:29 +00:00
Tom Wood
b335c2ccab *** empty log message *** 
From-SVN: r526
 1992-03-19 20:41:45 +00:00
Richard Kenner
86f8eff3d6 *** empty log message *** 
From-SVN: r417
 1992-03-07 18:15:24 -05:00
Richard Stallman
6f086dfc7c Initial revision 
From-SVN: r339
 1992-02-18 07:12:51 +00:00