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Author SHA1 Message Date
Jeffrey Oldham
a84efb51f7 emit-rtl.c (remove_unnecessary_notes): Reverse Richard Kenner's 2001-02-24 which broke building the Java library. 
2001-03-12  Jeffrey Oldham  <oldham@codesourcery.com>

	* emit-rtl.c (remove_unnecessary_notes): Reverse Richard Kenner's
	2001-02-24 which broke building the Java library.
	* function.c (identify_blocks): Likewise.
	(all_blocks): Likewise.
	* integrate.c (integrate_decl_tree): Likewise.
	* print-tree.c (print_node): Likewise.
	* tree.h (BLOCK_NUMBER): Likewise.
	(struct tree_block): Likewise.

From-SVN: r40431
 2001-03-12 22:22:54 +00:00
Zack Weinberg
d6edb99e92 xm-lynx.h, [...]: Do not define TRUE or FALSE. 
* config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
	config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
	config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
	config/clipper/xm-clix.h, config/convex/xm-convex.h,
	config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
	config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
	config/h8300/xm-h8300.h, config/i370/xm-i370.h,
	config/i370/xm-linux.h, config/i370/xm-mvs.h,
	config/i370/xm-oe.h, config/i386/xm-aix.h,
	config/i386/xm-i386.h, config/i386/xm-osf.h,
	config/i860/xm-i860.h, config/i960/xm-i960.h,
	config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
	config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
	config/mcore/xm-mcore.h, config/mips/xm-mips.h,
	config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
	config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
	config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
	config/pa/xm-pahpux.h, config/pa/xm-papro.h,
	config/pj/xm-pj.h, config/romp/xm-romp.h,
	config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
	config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
	config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
	config/v850/xm-v850.h, config/vax/xm-vax.h,
	config/vax/xm-vms.h, config/we32k/xm-we32k.h:
	Do not define TRUE or FALSE.

	* config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
	empty by above change.
	* config.gcc: Remove references to these files.

	* configure.in: Detect stdbool.h.
	* configure, config.in: Regenerate.
	* system.h: Include stddef.h here if available.  Set
	HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.  Then
	set up a sensible boolean type at the very end.

	* combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
	f/com.c, config/mcore/mcore.c:
	Rename variables named 'true' and/or 'false'.

	* hash.h: Delete 'boolean' typedef and related #undefs.
	* f/proj.h: Delete 'bool' type.  Don't include stddef.h here.

	* function.c, ggc-common.c, hash.h, hash.c, tlink.c, cp/decl.c,
	java/class.c, java/decl.c, java/java-tree.h:
	Replace all uses of 'boolean' with 'bool'.

From-SVN: r40176
 2001-03-02 01:51:02 +00:00
Richard Kenner
bd015d3783 tree.h (BLOCK_DEAD): New macro. 
* tree.h (BLOCK_DEAD): New macro.
	(struct tree_block): New flag, dead_flag.
	* print-tree.c (print_node, case 'b'): Print missing fields.
	* emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
	* function.c (identify_blocks): Enable test for misplaced notes.
	(all_blocks): Skip BLOCK_DEAD blocks.
	* integrate.c (integrate_decl_tree): Likewise.

From-SVN: r40039
 2001-02-24 08:15:55 -05:00
Jan Hubicka
016030fea6 function.c (epilogue_done): Be ready for first basic block not containing PROLOGUE_END note. 
* function.c (epilogue_done): Be ready for first basic block not
	containing PROLOGUE_END note.
	(reposition_prologue_and_epilogue_notes): Avoid placing
	PROLOGUE_END note between BASIC_BLOCK.

From-SVN: r40020
 2001-02-24 02:22:07 +00:00
Richard Kenner
d64236b44d function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we do in memory. 
* function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
	do in memory.

From-SVN: r39737
 2001-02-15 21:30:37 -05:00
Richard Kenner
d14057222f combine.c (nonzero_bits, case PLUS): If pointers extend unsigned and this is the sum of a pointer and a constant... 
* combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
	and this is the sum of a pointer and a constant, we know the result
	did not overflow.
	(num_sign_bit_copies, case PLUS): Likewise.
	* explow.c (convert_memory_address): Remove opposite SUBREG.
	* function.c (instantiate_new_reg): New function (from common code).
	(instantiate_virtual_regs_1): Call it.
	For PLUS, handle if (plus (subreg (virt-reg) (const_int))
	if pointers sign- or zero-extend.
	* simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
	If pointers extend unsigned, use inside of SUBREG.
	(simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.

From-SVN: r39489
 2001-02-06 07:39:15 -05:00
Chandrakala Chavva
411707f4e4 final.c: Move the declaration profile_label_no to ... 
* final.c: Move the declaration profile_label_no to ...
        * output.h: ... here.
        * function.c (expand_function_start): Call PROFILE_HOOK.
        * config/rs6000/aix.h: Define PROFILE_HOOK.
        * config/rs6000/rs6000-protos.h: output_profile_hook new.
        * config/rs6000/rs6000.c (output_profile_hook): Define.
        (output_prolog): Do nothing for ABI_AIX as it is taken care by
        output_profile_hook.
        tm.texi : Explain new macro PROFILE_HOOK.

From-SVN: r39473
 2001-02-05 20:23:13 -05:00
Richard Kenner
b845f89747 Reinstall 1.245 -> 1.246 change 
From-SVN: r39154
 2001-01-20 08:40:23 -05:00
Zack Weinberg
a42a5f59d0 [multiple changes] 
2001-01-20  Jakub Jelinek  <jakub@redhat.com>

	* function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
	(fixup_var_refs_insns): ...here.

	* gcc.c-torture/compile/20010118-1.c: New test.

2001-01-20  Zack Weinberg  <zack@wolery.stanford.edu>

	* function.c (fixup_var_refs_insns): Break up into
	fixup_var_refs_insn [body of loop], fixup_var_refs_insns
	[loop over entire insn list], and fixup_var_refs_insns_with_hash
	[loop over hash table entries].
	(fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
	fixup_var_refs_insns_with_hash, to match above changes.

From-SVN: r39151
 2001-01-20 09:12:08 +00:00
Richard Kenner
831ecbd460 alias.c (rtx_equal_for_memref_p, [...]): Don't assume args are REG. 
* alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
	args are REG.
	* expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
	* function.c (assign_parms): Use INTVAL for a CONST_INT.

From-SVN: r39139
 2001-01-19 13:04:23 -05:00
Richard Kenner
8207e7c604 Minor whitespace changes 
From-SVN: r39066
 2001-01-16 09:29:08 -05:00
Nick Clifton
414c4dc49c Remove {save|restore}_machine_status. 
Document {init|mark|free}_machine_status.

From-SVN: r38882
 2001-01-10 21:40:14 +00:00
Jeffrey A Law
87c61e2d0d function.c (instantiate_virtual_regs): Instantiate virtual registers found in CALL_INSN_FUNCTION_USAGE. 
* function.c (instantiate_virtual_regs): Instantiate virtual
        registers found in CALL_INSN_FUNCTION_USAGE.

From-SVN: r38873
 2001-01-10 11:35:50 -07:00
Zack Weinberg
b05467dc15 function.c (fixup_var_refs): Use push_to_full_sequence where possible. 
* function.c (fixup_var_refs): Use push_to_full_sequence where
	possible.

From-SVN: r38729
 2001-01-05 23:23:26 +00:00
DJ Delorie
cc1fe44fe8 function.c (reorder_blocks): Make sure the flags are all reset before using them to mark blocks... 
* function.c (reorder_blocks): Make sure the flags are all reset
before using them to mark blocks, else a second invocation will
corrupt the block chain.
(reorder_blocks_0): New, resets the flags.

From-SVN: r38724
 2001-01-05 16:13:42 -05:00
J"orn Rennecke
e2a5f96bbf integrate.c (expand_inline_function): Don't put a virtual register into the reg map. 
* integrate.c (expand_inline_function): Don't put a virtual
	register into the reg map.

	* function.c (fixup_var_refs_1): If force_operand didn't put
	the address into the target, move it there.

From-SVN: r38694
 2001-01-04 23:28:00 +00:00
Richard Kenner
d1608933b9 function.c (expand_function_end): Properly handle DECL_RESULT and copy when ptr_mode != Pmode. 
* function.c (expand_function_end): Properly handle DECL_RESULT
	and copy when ptr_mode != Pmode.
	* expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.

From-SVN: r38607
 2001-01-01 21:31:22 -05:00
Richard Kenner
1da68f560d alias.c (alias_sets_conflict_p): New function. 
* alias.c (alias_sets_conflict_p): New function.
	(mems_in_disjoint_alias_sets_p): Use it.
	(readonly_fields_p): Moved from expr.c; check for record type.
	(objects_must_conflict_p): New function.
	* calls.c (expand_call): Use assign_temp as much as possible, use
	readonly variant if assigned once, and don't set memory attributes.
	(emit_library_call_value_1, store_one_arg): Likewise.
	* integrate.c (expand_inline_function): Likewise.
	* stmt.c (expand_asm_operands, expand_return): Likewise.
	* expr.c (copy_blkmode_from_reg, store_constructor): Likewise.
	(store_field, save_noncopied_parts, expand_expr): Likewise.
	(expand_expr_unaligned): Likewise.
	(readonly_fields_p): Moved to alias.c.
	(safe_from_p): Rework handling of SAVE_EXPR.
	MEMs ony conflict if alias sets conflict; likewise for INDIRECT_REF.
	* function.c (struct temp_slot): Delete field ALIAS_SET; add TYPE.
	(assign_stack_for_temp): Use objects_must_confict_p.
	Set all memory attributes from type, if specified.
	(mark_temp_slot): Mark TYPE field.
	* tree.h (alias_sets_conflict_p, readonly_fields_p): New decls.
	(objects_must_conflict_p): Likewise.

	* stmt.c (expand_decl): Don't use assign_stack_temp in error case.
	(add_case_node): No need to copy nodes anymore.

From-SVN: r38559
 2000-12-30 08:10:51 -05:00
Alexandre Oliva
f523247a94 function.c (assign_parms): Convert arguments passed by reference to the right mode. 
* function.c (assign_parms): Convert arguments passed by
reference to the right mode.

From-SVN: r38528
 2000-12-29 08:38:19 +00:00
Alexandre Oliva
fd81f5f608 function.c (assign_parms): Update parm's DECL_INCOMING_RTL when optimizing PARALLEL to REG. 
* function.c (assign_parms): Update parm's DECL_INCOMING_RTL
when optimizing PARALLEL to REG.

From-SVN: r38444
 2000-12-22 08:10:53 +00:00
Alexandre Oliva
b33493e3f3 function.c (adjust_trampoline_addr): New function. 
* function.c (adjust_trampoline_addr): New function.
(trampoline_address): Call it instead of round_trampoline_addr().
* tm.texi (TRAMPOLINE_ADJUST_ADDRESS): Document it.

From-SVN: r38279
 2000-12-15 09:09:41 +00:00
Alexandre Oliva
e68a6ce10e function.c (assign_parms): Optimize incoming PARALLELs into REGs if possible. 
* function.c (assign_parms): Optimize incoming PARALLELs into
REGs if possible.

From-SVN: r38233
 2000-12-13 21:24:03 +00:00
John David Anglin
3502dc9cd3 function.h (emit_status): Delete member regno_pointer_flag and rename regno_pointer_flag_length to... 
* function.h (emit_status): Delete member regno_pointer_flag and
	rename regno_pointer_flag_length to regno_pointer_align_length.
	Delete define for REGNO_POINTER_FLAG.
	* integrate.h (inline_remap): Delete member regno_pointer_flag.
	Add member x_regno_reg_rtx.
	* rtl.h (rtx_def): Use frame_related bit to indicate register is
	a pointer in REG expressions.  Define REG_POINTER macro.
	* alias.c (find_base_value, find_base_term): Use REG_POINTER
	instead of REGNO_POINTER_FLAG.
	* combine.c (nonzero_bits, num_sign_bit_copies): Likewise.
	* emit-rtl.c (gen_reg_rtx): Use regno_pointer_align_length instead
	of regno_pointer_flag_length.  Remove code which refers to
	regno_pointer_flag.
	(mark_reg_pointer): Use REG_POINTER.
	(free_emit_status): Remove code which refers to regno_pointer_flag.
	(init_emit, mark_emit_status): Likewise.
	* flow.c (dump_flow_info): Likewise.
	* function.c (preserve_temp_slots): Likewise.
	* integrate.c (expand_inline_function, copy_rtx_and_substitute):
	Use x_regno_reg_rtx instead of regno_pointer_flag for function
	pointer determination in map.
	* loop.c (strength_reduce, maybe_eliminate_biv_1): Use REG_POINTER.
	* predict.c (estimate_probability): Likewise.
	* regclass.c (record_address_regs, reg_scan_mark_refs): Likewise.
	* unroll.c (unroll_loop): Use x_regno_reg_rtx instead of
	regno_pointer_flag for function pointer determination in map.
	* convex.h (RTX_COSTS): Don't test regno_pointer_flag and use
	REG_POINTER.
	* pa.c (hppa_legitimize_address, emit_move_sequence, basereg_operand):
	Use REG_POINTER.
	(restore_unscaled_index_insn_codes): Revise comment.

From-SVN: r37863
 2000-11-29 23:31:19 -07:00
Mark Mitchell
cf77f15f54 * function.c (free_after_compilation): Clear x_clobber_return_insn. 
From-SVN: r37806
 2000-11-27 20:14:21 +00:00
Mark Mitchell
db5fbfb420 function.c (assign_parms): When calling put_var_into_stack... 
* function.c (assign_parms): When calling put_var_into_stack, make
	sure that there are no hidden pending sequences.

From-SVN: r37417
 2000-11-13 07:00:55 +00:00
Jason Merrill
d96a6d1a1c function.c (assign_parms): If TREE_ADDRESSABLE is set... 
* function.c (assign_parms): If TREE_ADDRESSABLE is set, try to
        give the parm a register and then call put_var_into_stack.
        * stmt.c (expand_decl): Likewise.

cp/
        * typeck.c (mark_addressable): Don't call put_var_into_stack.

From-SVN: r37396
 2000-11-11 19:11:47 -05:00
Jakub Jelinek
768f06694f function.c (expand_function_start): Cast GET_MODE_SIZE to HOST_WIDE_INT before negating it. 
* function.c (expand_function_start): Cast GET_MODE_SIZE to
	HOST_WIDE_INT before negating it.

From-SVN: r37317
 2000-11-08 14:13:10 +01:00
Joseph Myers
961192e1dd alias.c [...] (init_alias_analysis, [...]): Use memset () instead of bzero (). 
* alias.c (init_alias_analysis), calls.c (expand_call,
	emit_library_call_value_1), combine.c (init_reg_last_arrays),
	cse.c (new_basic_block), dbxout.c (dbxout_type), diagnostic.c
	(init_output_buffer, set_diagnostic_context), dwarf2out.c
	(equate_decl_number_to_die, build_abbrev_table), emit-rtl.c
	(init_emit_once), fold-const.c (mul_double, div_and_round_double),
	function.c (assign_parms), gcse.c (compute_can_copy,
	alloc_gcse_mem, alloc_reg_set_mem, record_one_set,
	compute_hash_table, compute_set_hash_table,
	compute_expr_hash_table), genattrtab.c (optimize_attrs), global.c
	(global_alloc, global_conflicts), haifa-sched.c (compute_trg_info,
	clear_units, schedule_block), integrate.c (initialize_for_inline,
	expand_inline_function), jump.c (thread_jumps), local-alloc.c
	(local_alloc), loop.c (combine_movables, count_loop_regs_set,
	load_mems_and_recount_loop_regs_set), print-tree.c (debug_tree),
	regclass.c (init_reg_sets, init_reg_sets_1, regclass,
	record_reg_classes, allocate_reg_info), reload.c
	(get_secondary_mem, remove_address_replacements, find_reloads),
	reload1.c (reload, set_initial_label_offsets, finish_spills,
	reload_as_needed, choose_reload_regs_init,
	reload_cse_simplify_operands), reorg.c (dbr_schedule), sbitmap.c
	(sbitmap_zero), simplify-rtx.c (simplify_plus_minus), ssa.c
	(rename_registers), stmt.c (expand_end_case), unroll.c
	(unroll_loop), varray.c (varray_grow), objc/objc-act.c: Use memset
	() instead of bzero ().

ch:
	* actions.c (check_missing_cases), typeck.c (build_chill_slice,
	build_chill_cast): Use memset () instead of bzero ().

cp:
	* class.c (duplicate_tag_error, build_vtbl_initializer), decl.c
	(push_binding_level), error.c (cp_tree_printer), pt.c
	(process_partial_specialization, tsubst_template_arg_vector),
	search.c (lookup_member): Use memset () instead of bzero ().

java:
	* expr.c (note_instructions), jcf-io.c (find_class), jcf-parse.c
	(init_outgoing_cpool), lex.c (java_init_lex): Use memset ()
	instead of bzero ().

From-SVN: r37303
 2000-11-07 22:50:06 +00:00
Richard Kenner
1468899dc2 * function.c (locate_and_pad_parm): Use host_integerp and tree_low_cst. 
From-SVN: r36973
 2000-10-20 14:49:24 -04:00
Richard Henderson
23ccfa6dbb * function.c (locate_and_pad_parm): Zero alignment_pad. 
From-SVN: r36969
 2000-10-20 10:40:52 -07:00
Franz Sirl
832ea3b309 function.c (locate_and_pad_parm): Don't align stack unconditionally. 
2000-10-17  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>

	* function.c (locate_and_pad_parm): Don't align stack unconditionally.
	Fixes execute/20001017-1.c on pwerpc-linux-gnu.
	* expr.c (store_constructor): Apply MEM_ALIAS_SET to MEMs only.
	* rs6000/rs6000.c (rs6000_hash_constant): use X0INT to access a
	LABEL_REF.
	* rs6000/rs6000.h (NO_DOLLAR_IN_LABEL, DOLLARS_IN_IDENTIFIERS,
	ENCODE_SECTION_INFO, ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Move from
	here...
	* rs6000/aix.h: ...to here.
	* rs6000/linux.h (ASM_APP_ON, ASM_APP_OFF): Define to Linux-style.

From-SVN: r36914
 2000-10-17 22:17:34 +00:00
Mark Mitchell
1f8f4a0b31 Remove obstacks. 
* Makefile.in (ggc-callbacks.o): Remove target.
	(flow.o): Depend on GGC_H.
	* alias.c (init_alias_analysis):
	Remove ggc_p conditionals.
	(end_alias_analysis): Likewise.
	* basic-block.h (init_flow): New function.
	(allocate_reg_life_data): Declare.
	* bb-reorder.c	(function_obstack): Replace with ...
	(flow_obstack): ... new variable.
	(fixup_reorder_chain): Use it.
	* c-decl.c (ggc_p): Remove.
	(caller-save.c): Don't call oballoc/obfree.
	* combine.c (struct
	undobuf): Remove storage.
	(try_combine): Don't call oballoc.
	(undo_all): Don't call obfree.
	* cse.c (insert): Use xmalloc, not
	oballoc.
	(cse_main): Adjust accordingly.
	* dwarf2out.c (save_rtx): Remove
	obstack code.
	(dwarf2out_init): Remove ggc_p conditionals.
	* emit-rtl.c (rtl_obstack): Remove.
	(gen_rtx_CONST_INT): Remove ggc_p conditionals.
	(make_insn_raw): Likewise.
	(emit_insn_before): Likewise.
	(emit_insn_after): Likewise.
	(emit_insn): Likewise.
	(gen_sequence): Likewise.
	(copy_insn_1): Remove handling of `b' RTL components.
	(init_emit_once): Remove ggc_p conditionals.
	* except.c (create_rethrow_ref): Don't fool with obstacks.
	(add_partial_entry): Likewise.
	(call_get_eh_context): Likewise.
	(begin_protect_partials): Likewise.
	(protect_with_terminate): Likewise.
	* explow.c
	(plus_constant_wide): Likewise.
	* expr.c (init_expr_once):
	Likewise.
	(emit_block_move): Likewise.
	(clear_storage): Likewise.
	(expand_expr): Likewise.
	* flow.c (function_obstack): Remove.
	(flow_obstack): New variable.
	(flow_firstobj): Likewise.
	(create_base_block): Use the flow_obstack.
	(split_block): Likewise.
	(split_edge): Likewise.
	(calculate_global_regs_live): Likewise.
	(allocate_bb_life_data): Make it static.  Likewiwse.
	(init_flow): New function.
	(size_int_type_wide): Remove ggc_p conditionals.
	* function.c
	(push_function_context_to): Don't call save_tree_status.
	(pop_function_context_from): Or restore_tree_status.
	(assign_stack_local_1): Don't call push_obstacks.
	(find_fixup_replacement): Use xmalloc.
	(fixup_var_refs_insns): Free the storage.
	(insns_for_mem_walk): Don't mess with obstacks.
	(instantiate_decls): Likewise.
	(trampoline_address): Likewise.
	(expand_function_end): Likewise.
	* function.h (sturct function):
	Remove obstack-related variables.
	(save_tree_status): Don't declare.
	(restore_tree_status): Likewise.
	* gcse.c (compute_can_copy):
	Don't call oballoc/obfree.
	* genattrtab.c (operate_exp): Remove
	ggc_p conditionals.
	(simplify_cond): Likewise.
	(simplify_test_exp): Don't mess with obstacks.
	(optimize_attrs): Likewise.
	* gengenrtl.c (gendef): Don't include
	ggc_p conditionals.
	* ggc-callbacks.c (ggc_p): Remove.
	* ggc-none.c (ggc_p): Remove.
	* ggc.h (ggc_p): Don't declare.
	* integrate.c (save_for_inline): Don't mess with obstacks.
	(integrate_decl_tree): Likewise.
	(output_inline_function): Likewise.
	* lists.c
	(init_EXPR_INSN_LIST_cache): Likewise.
	* loop.c (temp_obstack):
	Remove.
	(rtl_obstack): Likewise.
	(init_loop): Don't mess with obstacks.
	(reg_address_cost): Free BIVs and GIVs.
	(check_insns_for_bivs): Use xmalloc, not oballoc.
	(find_mem_givs): Likewise.
	(record_biv): Likewise.
	(general_induction_var): Likewise.
	(product_cheap_p): Likewse.
	* optabs.c (init_one_libfunc): Remove
	ggc_p conditional.
	* print-tree.c (debug_tree): Don't use
	oballoc/obfree.
	(print_node): Likewise.
	* profile.c (output_func_start_profiler):
	Remove call to temporary_allocation.
	* reload1.c
	(eliminate_regs_in_insn): Don't mess with obstacks.
	* resource.c
	(mark_target_live_regs): Use xmalloc.
	(free_resource_info): Free the memory.
	* rtl.c (rtl_obstack):
	Remove.
	(rtvec_alloc): Don't mess with obstacks.
	(rtx_alloc): Likewise.
	(rtx_free): Remove.
	(copy_rtx): Don't handle `b' cases.
	(read_rtx): Use a local rtl_obstack.
	* rtl.h (oballoc): Remove.
	(obfree): Likewise.
	(pop_obstacks): Likewise.
	(push_obstacks): Likewise.
	(allocate_bb_life_data): Likewise.
	(allocate_reg_life_data): Likewise.
	(rtx_free): Likewise.
	* sdbout.c (sdbout_queue_anonymous_type):
	Use tree_cons, not saveable_tree_cons.
	* simplify-rtx.c
	(cselib_init): Don't mess with obstacks.
	* stmt.c
	(mark_block_nesting): Mark the label_chain.
	(epxand_label): Use ggc_alloc, not oballoc.
	(clear_last_expr): Don't mess with obstacks.
	(expand_decl_cleanup): Likewise.
	(expand_dcc_cleanup): Likewise.
	(expand_dhc_cleanup): Likewise.
	(expand_anon_union_decl): Likewise.
	(add_case_node): Use xmalloc, not oballoc.
	(free_case_nodes): New function.
	(expand_end_case): Call it.
	* stor-layout.c (layout_type): Don't
	mess with obstacks.
	(layout_type): Likewise.
	* toplev.c (wrapup_global_declarations):
	Likewise.
	(compile_file): Remove ggc_p conditionals.
	(rest_of_compilation): Call init_flow.  Remove ggc_p conditionals.
	(decode_f_option): Remove ggc_p conditionals.
	* tree.c
	(function_maybepermanent_obstack): Remove.
	(maybepermanent_obstack): Likewise.
	(function_obstack): Likewise.
	(tmeporary_obstack): Likewise.
	(momentary_obstack): Likewise.
	(temp_decl_obstack): Likewise.
	(saveable_obstack): Likewise.
	(rtl_obstack): Likewise.
	(current_obstack): Likewise.
	(expression_obstack): Likewise.
	(struct obstack_stack): Likewise.
	(obstack_stack): Likewise.
	(obstack_stack_obstack): Likewise.
	(maybepermanent_firstobj): Likewise.
	(temporary_firstobj): Likewise.
	(momentary_firstobj): Likewise.
	(temp_decl_firstobj): Likewise.
	(momentary_function_firstobj): Likewise.
	(all_types_permanent): Likewise.
	(struct momentary_level): Likewise.
	(momentary_stack): Likewise.
	(init_obstacks): Remove initialization of removed obstacks.
	(save_tree_status): Remove.
	(restore_tree_status): Likewise.
	(temporary_allocation): Liekwise.
	(end_temporary_allocation): Liekwise.
	(resume_temporary_allocation): Likewise.
	(saveable_allocation): Likewise.
	(push_obstacks): Likewise.
	(push_obstacks_nochange): Likewise.
	(pop_obstacks): Likewise.
	(allocation_temporary_p): Likewise.
	(permanent_allocation): Likewise.
	(preserve_data): Likewise.
	(preserve_initializer): Likewise.
	(rtl_in_current_obstack): Likewise.
	(rtl_in_saveable_obstack): Likewise.
	(oballoc): Likewise.
	(obfree): Likewise.
	(savealloc): Likewise.
	(expralloc): Likewise.
	(print_obstack_name): Likewise.
	(debug_obstack): Likewise.
	(object_permanent_p): Likewise.
	(push_momentary): Likewise.
	(perserve_momentary): Likewise.
	(clear_momentary): Likewise.
	(pop_momentary): Likewise.
	(pop_momentary_nofree): Likewise.
	(suspend_momentary): Likewise.
	(resume_momentary): Likewise.
	(make_node): Don't set TREE_PERMANENT.
	(copy_node): Remove ggc_p conditionals.  Don't set TYPE_OBSTACK.
	Don't set TREE_PERMANENT.
	(get_identifier): Remove ggc_p conditionals.
	(build_string): Likewise.
	(make_tree_vec): Likewise.
	(build_decl_list): Remove.
	(build_expr_list): Likewise.
	(tree_cons): Remove ggc_p conditionals.
	(decl_tree_cons): Remove.
	(expr_tree_cons): Likewise.
	(perm_tree_cons): Likewise.
	(temp_tree_cons): Likewise.
	(saveable_tree_cons): Likewise.
	(build1): Remove ggc_p conditionals.
	(build_parse_node): Likewise.
	(build_type_attribute_variant): Don't mess with obstacks.
	(build_type_copy): Likewise.
	(type_hash_canon): Likewise.
	(build_pointer_type): Likewise.
	(build_reference_type): Likewise.
	(build_index_type): Likewise.
	(build_range_type): Likewise.
	(dump_tree_statistics): Don't print obstack information.
	* tree.h
	(struct tree_common): Remove permanent_flag.
	(TREE_PERMANENT): Remove.
	(TREE_SET_PERMANENT): Likewise.
	(TYPE_OBSTACK): Likewise.
	(struct tree_type): Remove obstack.
	(oballoc): Remove.
	(savealloc): Likewise.
	(build_decl_list): Likewise.
	(build_expr_list): Likewise.
	(perm_tree_cons): Likewise.
	(temp_tree_cons): Likewise.
	(saveable_tree_cons): Likewise.
	(decl_tree_cons): Likewise.
	(expr_tree_cons): Likewise.
	(suspend_momentary): Likewise.
	(allocation_temporary_p): Likewise.
	(resume_momentary): Likewise.
	(push_obstacks_nochange): Likewise.
	(permanent_allocation): Likewise.
	(push_momentary): Likewise.
	(clear_momentary): Likewise.
	(pop_momentary): Likewise.
	(end_temporary_allocation): Likewise.
	(pop_obstacks): Likewise.
	(push_obstacks): Likewise.
	(pop_momentary_nofree): LIkewise.
	(preserve_momentary): Likewise.
	(saveable_allocation): Likewise.
	(temporary_allocation): Likewise.
	(resume_temporary_allocation): Likewise.
	(perserve_initializer): Likewise.
	(debug_obstack): Likewise.
	(rtl_in_current_obstack): Likewise.
	(rtl_in_saveable_obstack): Likewise.
	(obfree): Likewise.
	* varasm.c (current_obstack): Remove.
	(saveable_obstack): Remove.
	(rtl_obstack): Remove.
	(immed_double_const): Don't mess with obstacks.
	(immed_real_cons): Likewise.
	(output_constant_def): Likewise.
	(init_varasm_status): Use xcalloc.
	(mark_pool_constant): Mark the pool constant itself.
	(free_varasm_status): Free memory.
	(decode_rtx_const): Call bzero directly, rather than expanding it
	inline.
	(record_rtx_const): Don't mess with obstacks.
	(force_const_mem): Likewise.
	* config/arm/arm.c (arm_encode_call_attribute): Remove ggc_p
	conditionals.
	(aof_pic_entry): Likewise.
	* config/ia64/ia64.c (ia64_encode_section_info): Likewise.
	* config/m32r/m32r.c (m32r_encode_section_info): Likewise.
	* config/pa/pa.c (saveable_obstack): Remove.
	(rtl_obstack): Likewise.
	(current_obstack): Likewise.
	(output_call): Don't mess with obstacks.
	(hppa_encode_label): Remove ggc_p conditionals.
	* config/romp/romp.c (get_symref): Don't mess with obstacks.
	* config/rs6000/rs6000.c (output_toc): Remove ggc_p conditional.
	(rs6000_encode_section_info): Likewise.
	* config/sh/sh.c (get_fpscr_rtx): Likewise.

From-SVN: r36856
 2000-10-13 06:26:46 +00:00
Richard Henderson
3e4eac3fe9 function.c (diddle_return_value): Examine current_function_return_rtx instead of the DECL_RESULT. 
* function.c (diddle_return_value): Examine
        current_function_return_rtx instead of the DECL_RESULT.
        (expand_function_end): Handle reloading DECL_RESULT from memory
        into a hard register.  Query promote_mode for sign of mismatched
        modes.

From-SVN: r36769
 2000-10-06 18:45:21 -07:00
Richard Henderson
b313a0fe15 c-decl.c (warn_missing_noreturn): Remove. 
* c-decl.c (warn_missing_noreturn): Remove.
        (c_expand_body): Don't set or check can_reach_end.
        * c-tree.h (warn_missing_noreturn): Move ...
        * flags.h: ... here.
        (can_reach_end): Remove.
        * flow.c (check_function_return_warnings): New.
        (make_edges): No edge to exit for noreturn sibcalls.
        * function.c (expand_function_end): Save the return value
        clobber instruction.
        (mark_function_status): Mark it.
        * function.h (struct function): Add x_clobber_return_insn.
        * jump.c (can_reach_end): Remove.
        (calculate_can_reach_end): Remove.
        (jump_optimize_1): Don't call it.
        * output.h (check_function_return_warnings): Declare.
        * toplev.c (warn_missing_noreturn): Move from c-decl.c
        (rest_of_compilation): Call check_function_return_warnings.

From-SVN: r36750
 2000-10-05 23:01:27 -07:00
Jim Wilson
cc0cbae17e Fix IA-64 REG_LIBCALL dangling reference. 
* function.c (fixup_var_refs_1, case SET): When gen_move_insn returns a
	SEQUENCE, call emit_insn_before, copy PATTERN and REG_NOTES of last
	sequence insn to INSN, and delete last sequence insn.

From-SVN: r36735
 2000-10-05 16:24:18 -07:00
Jim Wilson
226ed43f1e Fix ia64-linux kernel fn_hash() miscompilation. 
* function.c (fixup_var_refs_1, case ZERO_EXTRACT): If we have a
	paradoxical subreg, then directly substitute the replacement and
	return.

From-SVN: r36515
 2000-09-18 14:37:37 -07:00
Andrew Haley
659e47fb24 toplev.c (rest_of_compilation): Call purge_hard_subreg_sets to remove all SETs of SUBREGs of hard registers. 
2000-09-15  Andrew Haley  <aph@redhat.com>

        * toplev.c (rest_of_compilation): Call purge_hard_subreg_sets to
        remove all SETs of SUBREGs of hard registers.
        * function.c (purge_hard_subreg_sets): New function.
        (purge_single_hard_subreg_set): New function.
        * rtl.h: (purge_hard_subreg_sets): New function.

From-SVN: r36511
 2000-09-18 19:27:37 +00:00
Bernd Schmidt
ebb1b59ac0 Bring back equal forms for libcalls 
From-SVN: r36469
 2000-09-17 12:45:51 +00:00
Geoff Keating
1b3d8f8a35 stmt.c (expand_asm_operands): Twiddle generating_concat_p so that CONCATs are not generated for ASMs. 
* stmt.c (expand_asm_operands): Twiddle generating_concat_p
so that CONCATs are not generated for ASMs.
* emit-rtl.c (gen_reg_rtx): Don't generate CONCATs when
not generating_concat_p.
* function.c (pop_function_context_from): Reset
generating_concat_p.
(prepare_function_start): Likewise.
* rtl.c (generating_concat_p): Define.
* rtl.h (generating_concat_p): Declare.
* toplev.c (rest_of_compilation): No CONCATs after RTL generation.

From-SVN: r36088
 2000-09-01 01:03:29 +00:00
Jim Wilson
caa511fdfa Fix x86-x-ia64 abort while compiling glibc ldbl2mpn.c. 
* function.c (gen_mem_addressof): Clear MEM_ALIAS_SET if no decl.

From-SVN: r35991
 2000-08-25 14:32:05 -07:00
Richard Kenner
3f546a5319 function.c (fixup_var_refs_1, case MEM): Update CODE after updating X. 
* function.c (fixup_var_refs_1, case MEM): Update CODE after
	updating X.

From-SVN: r35790
 2000-08-18 14:11:02 -04:00
Richard Kenner
43db0363f1 calls.c (calls_function_1, [...]): Only test TYPE_RETURNS_STACK_DEPRESSED for FUNCTION_TYPE. 
* calls.c (calls_function_1, expand_call): Only test
	TYPE_RETURNS_STACK_DEPRESSED for FUNCTION_TYPE.
	* function.c (thread_prologue_and_epilogue_insns): Likewise.

From-SVN: r35743
 2000-08-16 07:59:03 -04:00
Richard Kenner
7393c6422b calls.c (ECF_SP_DEPRESSED): New macro. 
* calls.c (ECF_SP_DEPRESSED): New macro.
	(calls_function_1): Treat calling sp-depressed function as alloca.
	(emit_call_1): Don't adjust SP if calling sp-depressed function.
	(expand_call): Set ECF_SP_DEPRESSED if TYPE_RETURNS_STACK_DEPRESSED.
	If sp-depressed, ensure block saves and restores SP.
	* fold-const.c (extract_muldiv): Only check TYPE_IS_SIZETYPE
	for INTEGER_TYPE.
	* function.c (keep_stack_depressed): New function.
	(thread_prologue_and_epilogue_insns): Call it.
	* print-tree.c (print_node): Use HOST_WIDE_INT_PRINT_UNSIGNED
	to print DECL_OFFSET_ALIGN.
	Print no-force-blk and transparent-union flags properly.
	* stmt.c (expand_goto_internal): Don't restore stack if last block
	and function returns with sp depressed.
	(fixup_gotos): Likewise.
	(save_stack_pointer): New function, from code in expand_decl.
	(expand_decl): Call new function.
	* tree.h (TYPE_IS_SIZETYPE): Call INTEGER_TYPE_CHECK.
	(TYPE_RETURNS_STACK_DEPRESSED): New macro.
	(save_stack_pointer): New declaration.

From-SVN: r35734
 2000-08-15 21:15:37 -04:00
Kazu Hirata
718fe40625 * cse.c: Fix formatting. 
From-SVN: r35676
 2000-08-14 08:34:52 -06:00
Geoff Keating
0858c623d0 flow.c (attempt_auto_inc): Remove unused variable `bb'. 
* flow.c (attempt_auto_inc): Remove unused variable `bb'.
(attempt_auto_inc): Suppress parentheses warning.
* function.c (put_reg_into_stack): Remove unused variable `unsigned_p'.
* loop.c (load_mems): Remove `u' suffix in two places.
* config/rs6000/rs6000.c: Remove unnecessary `u' suffixes from
hex constants.
* config/rs6000/rs6000.h: Likewise.
* config/rs6000/sol-c0.c: Prototype some functions.  Remove the
__eabi dummy routine.
* config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Remove unused
variable `buf_ptr'.

From-SVN: r35670
 2000-08-14 05:59:50 +00:00
Richard Henderson
8b4944fbce function.c (put_reg_into_stack): Allow type to be NULL. 
* function.c (put_reg_into_stack): Allow type to be NULL.
        (schedule_fixup_var_refs): Likewise.
        (gen_mem_addressof): Allow decl to be NULL.
        (put_addressof_into_stack): Likewise.

From-SVN: r35625
 2000-08-11 00:49:07 -07:00
J"orn Rennecke
018577e426 function.c (schedule_fixup_var_refs): New function, broken out of put_reg_into_stack. 
* function.c (schedule_fixup_var_refs): New function, broken out
	of put_reg_into_stack.
	(put_reg_into_stack): Use it.
	(put_var_into_stack): In CONCAT case, fixup up references for
	components only after fixing up references to the whole concat.
testsuite:
	* gcc.c-torture/execute/20000804-1.c: New test.

From-SVN: r35495
 2000-08-04 23:06:49 +01:00
Rodney Brown
2c3c49dec3 alias.c (mark_constant_function): Use INSN_P. 
* alias.c (mark_constant_function): Use INSN_P.
	(init_alias_analysis): Likewise.
	* combine.c (combine_instructions): Use INSN_P.
	(can_combine_p): Likewise.
	(try_combine): Likewise.
	(distribute_notes): Likewise.
	(distribute_links): Likewise.
	* cse.c (cse_around_loop): Use INSN_P.
	(invalidate_skipped_block): Likewise.
	(cse_set_around_loop): Likewise.
	(cse_end_of_basic_block): Likewise.
	(delete_trivially_dead_insns): Likewise.
	* emit-rtl.c (unshare_all_rtl_again): Use INSN_P.
	(unshare_all_rtl_1): Likewise.
	(next_cc0_user): Likewise.
	(try_split make_insn_raw): Likewise.
	(remove_unnecessary_notes): Likewise.
	* final.c (shorten_branches): Use INSN_P.
	(leaf_renumber_regs): Likewise.
	(leaf_renumber_regs_insn): Likewise.
	* flow.c (find_label_refs): Use INSN_P.
	(verify_wide_reg): Likewise.
	(notice_stack_pointer_modification): Likewise.
	(count_or_remove_death_notes): Likewise.
	(verify_flow_info): Likewise.
	(clear_log_links): Likewise.
	* function.c (fixup_var_refs_insns): Use INSN_P.
	(compute_insns_for_mem): Likewise.
	* gcse.c (alloc_gcse_mem): Use INSN_P.
	(compute_sets): Likewise.
	(compute_hash_table): Likewise.
	(classic_gcse): Likewise.
	(cprop): Likewise.
	(insert_insn_end_bb): Likewise.
	(delete_null_pointer_checks_1): Likewise.
	* global.c (expand_preferences): Use INSN_P.
	(build_insn_chain): Likewise.
	* graph.c (node_data): Use INSN_P.
	* haifa-sched.c (priority): Use INSN_P.
	(rm_line_notes): Likewise.
	(rm_other_notes): Likewise.
	(find_insn_reg_weight): Likewise.
	(init_target_units): Likewise.
	(schedule_block): Likewise.
	(compute_block_forward_dependences): Likewise.
	(debug_dependencies): Likewise.
	(set_priorities): Likewise.
	* integrate.c (function_cannot_inline_p): Use INSN_P.
	(save_parm_insns): Likewise.
	(copy_insn_list): Likewise.
	* jump.c (mark_all_labels): Use INSN_P.
	(never_reached_warning): Likewise.
	* lcm.c (optimize_mode_switching): Use INSN_P.
	* local-alloc.c (validate_equiv_mem): Use INSN_P.
	(memref_used_between_p): Likewise.
	(update_equiv_regs): Likewise.
	(block_alloc): Likewise.
	(no_conflict_p): Likewise.
	* loop.c (scan_loop): Use INSN_P.
	(find_and_verify_loops): Likewise.
	(count_loop_regs_set): Likewise.
	(loop_reg_used_before_p): Likewise.
	(strength_reduce): Likewise.
	(recombine_givs): Likewise.
	(check_dbra_loop): Likewise.
	(load_mems): Likewise.
	(try_copy_prop): Likewise.
	* print-rtl.c (print_rtx): Use INSN_P.
	* recog.c (find_single_use): Use INSN_P.
	* reg-stack.c (stack_regs_mentioned): Use INSN_P.
	(next_flags_user): Likewise.
	(swap_rtx_condition): Likewise.
	* regmove.c (mark_flags_life_zones): Use INSN_P.
	(optimize_reg_copy_1): Likewise.
	(optimize_reg_copy_2): Likewise.
	(optimize_reg_copy_3): Likewise.
	(reg_is_remote_constant_p): Likewise.
	(fixup_match_2): Likewise.
	(regmove_optimize): Likewise.
	(fixup_match_1): Likewise.
	* regrename.c (build_def_use): Use INSN_P.
	(replace_reg_in_block): Likewise.
	(consider_use): Likewise.
	* reload.c (find_equiv_reg): Use INSN_P.
	* reload1.c (reload): Use INSN_P.
	(maybe_fix_stack_asms): Likewise.
	(calculate_needs_all_insns): Likewise.
	(reload_as_needed): Likewise.
	(emit_output_reload_insns): Likewise.
	(delete_address_reloads_1): Likewise.
	(reload_cse_regs_1): Likewise.
	(reload_combine): Likewise.
	(reload_cse_move2add): Likewise.
	* reorg.c (redundant_insn): Use INSN_P.
	(dbr_schedule): Likewise.
	* resource.c (find_dead_or_set_registers): Use INSN_P.
	(mark_target_live_regs): Likewise.
	* rtlanal.c (reg_used_between_p): Use INSN_P.
	(reg_referenced_between_p): Likewise.
	(reg_set_between_p): Likewise.
	(reg_set_p): Likewise.
	(single_set): Likewise.
	(multiple_sets): Likewise.
	(find_last_value): Likewise.
	(reg_set_last): Likewise.
	(find_reg_note): Likewise.
	(find_regno_note): Likewise.
	* sibcall.c (sequence_uses_addressof): Use INSN_P.
	* simplify-rtx.c (cselib_process_insn): Use INSN_P.
	* ssa.c (find_evaluations): Use INSN_P.
	(rename_block): Likewise.
	(rename_equivalent_regs): Likewise.
	* unroll.c (loop_find_equiv_value): Use INSN_P.
	(set_dominates_use): Likewise.
	* varasm.c (mark_constant_pool): Use INSN_P.
	(mark_constants): Likewise.
	* config/alpha/alpha.c (alpha_does_function_need_gp): Use INSN_P.
	(alphaev4_next_group): Likewise.
	(alphaev5_next_group): Likewise.
	* config/c4x/c4x.c (c4x_process_after_reload): Use INSN_P.
	(c4x_rptb_rpts_p): Likewise.
	* config/mips/mips.c (mips16_optimize_gp): Use INSN_P.
	* config/rs6000/rs6000.c (uses_TOC): Use INSN_P.
	(rs6000_adjust_priority): Likewise.
	* config/sh/sh.c (sh_loop_align): Use INSN_P.
	(machine_dependent_reorg): Likewise.
	(split_branches): Likewise.
	* config/tahoe/tahoe.c (tahoe_cmp_check): Use INSN_P.

From-SVN: r35494
 2000-08-04 14:28:08 -06:00
Jan Hubicka
dbab7b72b5 function.c (assign_stack_local_1, [...]): Do not call gen_mode_alignment when mode is BLKmode. 
* function.c (assign_stack_local_1, assign_stack_temp_for_type):
	Do not call gen_mode_alignment when mode is BLKmode.

From-SVN: r35345
 2000-07-30 18:26:46 +00:00
J. David Anglin
539a6f058c * function.c (round_down): Delete obsolete prototype. 
From-SVN: r34631
 2000-06-21 10:19:22 -06:00