[gcc.git] / gcc / ChangeLog

2000-03-25  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>

	* config/c4x/c4x.h (CPP_SPEC): Remove erroneous space.

2000-03-24  Richard Henderson  <rth@cygnus.com>

	* tree.c (lang_safe_for_unsave): Remove.
	(unsafe_for_reeval): Transmute and rename from safe_for_unsave,
	allowing for two levels of unsafeness.  Remove lang hook.
	* tree.h: Update declarations.
	* calls.c (expand_call): Rename safe_for_reeval to try_tail_call.
	Create temporary VAR_DECLs to protect very unsafe_for_reeval trees.
	Always fail sibcalls when there are pending cleanups.

2000-03-24  Geoff Keating  <geoffk@cygnus.com>

	* flow.c (propagate_block): When we delete an ADDR_VEC,
	also delete the BARRIER following it if there is one.

2000-03-24  Richard Henderson  <rth@cygnus.com>

	* builtins.c (expand_builtin_bzero): Convert `length' argument
	to sizetype.

2000-03-24  Jakub Jelinek  <jakub@redhat.com>

	* sibcall.c (skip_copy_to_return_value): Use OUTGOING_REGNO for
	comparison if regno's are equal.
	* calls.c (initialize_argument_informat): Add ecf_flags argument.
	Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
	(expand_call): Update caller.
	Avoid making a sibling call if argument size of the callee is larger
	than argument size of the caller.
	Call hard_function_value with outgoing set if in sibcall pass.
	Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.

	* final.c (permitted_reg_in_leaf_functions, only_leaf_regs_used):
	Change LEAF_REGISTERS from an array initializer to actual array
	identifier. Move static global variable into the function.
	(leaf_function_p): Allow SIBLING_CALL_P calls even outside of
	sequences for leaf functions.
	* global.c (global_alloc): Likewise.
	* tm.texi (LEAF_REGISTERS): Update documentation.

	* config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Remove the ugly
	TARGET_FLAT leaf disabling hack.
	(LEAF_REGISTERS): Changed from an array initializer to actual array
	identifier to avoid duplication and remove the above hack.
	(FUNCTION_OK_FOR_SIBCALL): Define.
	* config/sparc/sparc.md (sibcall): New attr type. Use it almost
	always like call attribute.
	(eligible_for_sibcall_delay): New attribute.
	(sibcall): New delay type.
	(sibcall, sibcall_value, sibcall_epilogue): New expands.
	(sibcall_symbolic_sp32, sibcall_symbolic_sp64,
	sibcall_value_symbolic_sp32, sibcall_value_symbolic_sp64): New insns.
	* config/sparc/sparc.c (sparc_leaf_regs): New array.
	(eligible_for_sibcall_delay, output_restore_regs, output_sibcall):
	New functions.
	(output_function_epilogue): Move part of the code into
	output_restore_regs.
	(ultra_code_from_mask, ultrasparc_sched_reorder): Handle
	TYPE_SIBCALL.
	* sparc-protos.h (output_sibcall, eligible_for_sibcall_delay): New
	prototypes.

	* config/sparc/sparc.h (REVERSIBLE_CC_MODE): Revert Jan, 25 change
	until infrastructure is finished.

Fri Mar 24 13:49:45 2000  Jeffrey A Law  (law@cygnus.com)

	* integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns here.
	(save_parm_insns): Not here.

2000-03-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

	* builtins.c (expand_builtin_bzero): New function.
	(expand_builtin): Handle bzero.

	* builtins.def: Add BUILT_IN_BZERO.

	* c-common.c (c_common_nodes_and_builtins): Provide builtin
	prototype & function for bzero.

2000-03-23  Michael Meissner  <meissner@redhat.com>

	* config/alpha/alpha.md (TF floating point insns): Undo 2000-03-21
	change adding TARGET_FP to the TF floating point insns, except for
	trunctfsf2, which generates direct calls to truncdfsf2.

2000-03-23  Geoff Keating  <geoffk@cygnus.com>

	* config/rs6000/rs6000.h (ARG_POINTER_CFA_OFFSET): New definition,
	try to protect against middle-end changes that break binary
	compatibility.
	(DWARF_FRAME_REGISTERS): New definition, likewise for backend.

2000-03-24  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>

	* config/c4x/c4x.md (load_immed_address):  Add DP reg clobber.

Thu Mar 23 17:10:48 2000  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

	* calls.c (expand_call): If TARGET is passed by reference and
	is readonly, write a CLOBBER.

2000-03-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

	* builtins.c (expand_builtin): Handle bcmp.

	* builtins.def: Add BUILT_IN_BCMP.

	* c-common.c (c_common_nodes_and_builtins): Provide builtin
	prototype & function for bcmp.

Thu Mar 23 11:34:39 2000  Jim Wilson  <wilson@cygnus.com>

	* config/ia64/ia64.c (rtx_needs_barrier, case UNSPEC): Move case 6...
	(rtx_needs_barrier, case UNSPEC_VOLATILE): to here.
	* config/ia64/ia64.md (pr_restore): Change UNSPEC to UNSPEC_VOLATILE.

Thu Mar 23 16:04:40 2000  Andrew Haley  <aph@cygnus.com>

        * config/mips/mips.md (movdf_internal1a): Delete (set 'f', 'F')
        alternative when using -fp64 -gp32.

2000-03-22  Jason Merrill  <jason@casey.cygnus.com>

	* config/rs6000/rs6000.h (DWARF_FRAME_RETURN_COLUMN): Define.
	* config/alpha/alpha.h (DWARF_FRAME_RETURN_COLUMN): Define.
	* config/sparc/sparc.h (DWARF_FRAME_RETURN_COLUMN): Define.

	* frame.h (frame_state): Revert last change.
	* frame.c (execute_cfa_insn): Just don't record the save of a CFA reg.
	* libgcc2.c (throw_helper): Revert last change.
	
2000-03-22  Richard Henderson  <rth@cygnus.com>

	* stmt.c (expand_asm_operands): Don't promote the temporary.

2000-03-22  Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>

        * builtin.c (get_pointer_alignment): Use DECL_P and TYPE_P macros.
	* c-common.c (decl_attributes,check_format_info,truthvalue_conversion,
	  c_get_alias_set): Likewise.
	* c-decl.c (duplicate_decls): Likewise.
	* c-typeck.c (default_conversion,build_unary_op): Likewise.
	* calls.c (initialize_argument_information): Likewise.
	* dwarf2out.c (decl_class_context,add_abstract_origin_attribute):
	Likewise.
	* dwarfout.c (decl_class_context,output_type): Likewise.
	* expr.c (get_inner_reference): Likewise.
	* fold-const.c (simple_operand_p,fold): Likewise.
	* function.c (aggregate_value_p): Likewise.
	* stmt.c (expand_asm_operands): Likewise.
	* varasm.c (named_section): Likewise.

2000-03-22  Jason Merrill  <jason@casey.cygnus.com>

	Implement dwarf2 exception handling for the ARM.
	* config/arm/arm.h (INCOMING_RETURN_ADDR_RTX): Define.
	(DWARF_FRAME_RETURN_COLUMN): Define.
	* config/arm/arm.c (emit_multi_reg_push): Return rtx.  Attach
	REG_FRAME_RELATED_EXPR note.
	(emit_sfm): Likewise.
	(arm_expand_prologue): Set RTX_FRAME_RELATED_P on everything.
	* dwarf2out.c (reg_save): Handle saving a register to itself.
	(dwarf2out_frame_debug_expr): Handle an intermediate cfa reg.
	* except.c (eh_regs): Don't use the static chain reg if it's
	callee-saved.
	* frame.h (frame_state): Add cfa_saved field.
	* frame.c (execute_cfa_insn): Set it.
	* libgcc2.c (throw_helper): Don't adjust sp if it's restored in 
	the epilogue.
	* function.c (ARG_POINTER_CFA_OFFSET): Default to FIRST_PARM_OFFSET.
	Now takes a parm.
	(instantiate_virtual_regs): Adjust.
	* tm.texi: Adjust.
	* config/m68k/m68k.h (ARG_POINTER_CFA_OFFSET): Don't define.
	* config/ns32k/ns32k.h (ARG_POINTER_CFA_OFFSET): Don't define.
	* config/sparc/sparc.h (ARG_POINTER_CFA_OFFSET): Take a parm.

	* dwarf2out.c (reg_number): Refer to FIRST_PSEUDO_REGISTER.
	(initial_return_save): Use DWARF_FRAME_REGNUM, not reg_number.

2000-03-22  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

	* builtins.def: New file.

	* Makefile.in (TREE_H): Depend on builtins.def.

	* builtins.c (built_in_names): Use builtins.def.

	* tree.h (built_in_function): Likewise.

2000-03-22  Mark Mitchell  <mark@codesourcery.com>

	* tree.c (size_in_bytes): Return size_zero_node, not
	integer_zero_node.

2000-03-22  Geoff Keating  <geoffk@cygnus.com>

	* config/fp-bit.c (pack_d): Correct the case when a denormal
	is rounded up and stops being denormal.

2000-03-21  Richard Henderson  <rth@cygnus.com>

	* config/alpha/alpha.c (function_arg): Check for void_type_node
	before using MUST_PASS_IN_STACK.

2000-03-21  Stephane Carrez  <stcarrez@worldnet.fr>

	* regmove.c (combine_stack_adjustments_for_block): Check that
	the stack pointer is a valid memory address.

Wed Mar 22 11:44:50 MET 2000  Jan Hubicka  <jh@suse.cz>

	* calls.c: re-install Mar 16 emit_library_call merge.

2000-03-21  Jakub Jelinek  <jakub@redhat.com>

	* config/sparc/sparc.c (mem_min_alignment): If not optimizing,
	we cannot be sure that if reload_completed base register will
	be properly aligned.

2000-03-21  Richard Henderson  <rth@cygnus.com>

        * flow.c (delete_block): Fix typo last change.

2000-03-21  Mark Mitchell  <mark@codesourcery.com>

	* c-common.c (c_expand_expr_stmt): Use COMPLETE_TYPE_OR_VOID_P,
	not COMPLETE_TYPE_P, to check the type of the expression.

2000-03-21  Michael Meissner  <meissner@redhat.com>

	* config/alpha/alpha.md (floating point insns): Add TARGET_FP to
	all floating point insns that just tested the macro
	TARGET_HAS_XFLOATING_LIBS.
	(movsf/movdf recognizers): Add separate insns if -mno-fp-regs is
	used to only use the gprs.

2000-03-21  Nathan Sidwell  <nathan@codesourcery.com>

	* tree.h (COMPLETE_TYPE_P): New macro.
	(COMPLETE_OR_VOID_TYPE_P): New macro.
	(COMPLETE_OR_UNBOUND_ARRAY_TYPE_P): New macro.
	* stor-layout.c (layout_type, case VOID_TYPE): Don't set TYPE_SIZE.
	* c-aux-info.c (gen_type): Use them.
	* c-common.c (c_expand_expr_stmt): Likewise.
	* c-decl.c (poplevel, pushdecl, start_decl, finish_decl,
	grokdeclarator, grokparms, finish_struct, start_function,
	store_parm_decls, combine_parm_decls): Likewise.
	* c-parse.y (cast_expr): Likewise.
	* c-typeck.c (require_complete_type, c_sizeof, c_sizeof_nowarn,
	c_size_in_bytes, c_alignof, build_component_ref,
	build_indirect_ref, build_array_ref, convert_arguments,
	build_binary_op, pointer_diff, build_unary_op, digest_init: Likewise.
	* calls.c (initialize_argument_information): Likewise.
	* convert.c (convert_to_integer): Likewise.
	* dbxout.c (dbxout_typedefs, dbxout_type, dbxout_symbol): Likewise.
	* dwarfout.c (location_or_const_value_attribute,
	output_enumeration_type_die, output_structure_type_die,
	output_union_type_die, output_type): Likewise.
	* expr.c (safe_from_p, expand_expr): Likewise.
	* function.c (assign_parms): Likewise.
	* sdbout.c (sdbout_symbol, sdbout_one_type): Likewise.
	* tree.c (build_array_type, build_function_type,
	build_method_type, build_offset_type, build_complex_type): Likewise.
	* c-parse.c, c-parse.h: Regenerated.

2000-03-21  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>

	* config/c4x/rtems.h: Include config/rtems.h.

Tue Mar 21 09:24:00 2000  Denis Chertykov  <denisc@overta.ru>

	* config/avr/avr.c (encode_section_info): sets SYMBOL_REF_FLAG if
	decl is a FUNCTION_DECL

Mon Mar 20 19:53:53 2000  Jim Wilson  <wilson@cygnus.com>

	* config/ia64/ia64.c (ia64_expand_prologue): Don't abort if leaf
	function uses output registers.  Don't save RP for leaf functions.
	Do save RP even if no epilogue.
	* config/ia64/ia64.h (FIXED_REGISTERS): Unmark in/out registers.
	(CALL_USED_REGISTERS): Unmark in registers.
	(REG_ALLOC_ORDER): Move out regs up, to near the top.  Move in regs up,
	to near the middle.

2000-03-20  Geoff Keating  <geoffk@cygnus.com>

	* config/rs6000/rs6000.md (bunordered): New expander.
	(bordered): New expander.
	(buneq): New expander.
	(bunge): New expander.
	(bungt): New expander.
	(bunle): New expander.
	(bunlt): New expander.
	(bltgt): New expander.
 
	* config/rs6000/rs6000.c (ccr_bit): Handle unordered comparisons.
	(ccr_bit_negated_p): New function.
	(print_operand): For %C, generate appropriate cror for UNEQ,
	UNLT, UNGT, and LTGT.  For %T and %t, use ccr_bit_negated_p.

2000-03-20  Andreas Jaeger  <aj@suse.de>

	* sdbout.c (sdbout_one_type): Add braces to avoid "ambigous else"
	warning.

	* tree.h (safe_for_unsave): Prototype.

2000-03-20  Richard Henderson  <rth@cygnus.com>

	* regmove.c (stack_memref_p): Fix typo, reorg for readability.
	(combine_stack_adjustments_for_block): Don't allow sp references
	in the side of a set we're not fixing up.
	* toplev.c (rest_of_compilation): Run combine_stack_adjustments
	after life_analysis.

2000-03-20  Richard Henderson  <rth@cygnus.com>

	* calls.c (expand_call): Don't bother generating tail call
	sequences if there are pending cleanups.  Use
	expand_start_target_temps/expand_end_target_temps to elide
	cleanups created during sibcall expansion.

2000-03-20  Geoff Keating  <geoffk@cygnus.com>

	* configure.in: Set $IFS to a value if it doesn't already have one
	in the --enable-checking handling.
	* configure: Regenerate.
Commit	Line	Data
0d74d20f MH	1	2000-03-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
	2
	3	* config/c4x/c4x.h (CPP_SPEC): Remove erroneous space.
	4
194c7c45 RH	5	2000-03-24 Richard Henderson <rth@cygnus.com>
	6
	7	* tree.c (lang_safe_for_unsave): Remove.
	8	(unsafe_for_reeval): Transmute and rename from safe_for_unsave,
	9	allowing for two levels of unsafeness. Remove lang hook.
	10	* tree.h: Update declarations.
	11	* calls.c (expand_call): Rename safe_for_reeval to try_tail_call.
	12	Create temporary VAR_DECLs to protect very unsafe_for_reeval trees.
	13	Always fail sibcalls when there are pending cleanups.
	14
02ce8f4e GK	15	2000-03-24 Geoff Keating <geoffk@cygnus.com>
	16
	17	* flow.c (propagate_block): When we delete an ADDR_VEC,
	18	also delete the BARRIER following it if there is one.
	19
3477addf RH	20	2000-03-24 Richard Henderson <rth@cygnus.com>
	21
	22	* builtins.c (expand_builtin_bzero): Convert `length' argument
	23	to sizetype.
	24
7d167afd JJ	25	2000-03-24 Jakub Jelinek <jakub@redhat.com>
	26
	27	* sibcall.c (skip_copy_to_return_value): Use OUTGOING_REGNO for
	28	comparison if regno's are equal.
	29	* calls.c (initialize_argument_informat): Add ecf_flags argument.
	30	Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
	31	(expand_call): Update caller.
	32	Avoid making a sibling call if argument size of the callee is larger
	33	than argument size of the caller.
	34	Call hard_function_value with outgoing set if in sibcall pass.
	35	Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
	36
	37	* final.c (permitted_reg_in_leaf_functions, only_leaf_regs_used):
	38	Change LEAF_REGISTERS from an array initializer to actual array
	39	identifier. Move static global variable into the function.
	40	(leaf_function_p): Allow SIBLING_CALL_P calls even outside of
	41	sequences for leaf functions.
	42	* global.c (global_alloc): Likewise.
	43	* tm.texi (LEAF_REGISTERS): Update documentation.
	44
	45	* config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Remove the ugly
	46	TARGET_FLAT leaf disabling hack.
	47	(LEAF_REGISTERS): Changed from an array initializer to actual array
	48	identifier to avoid duplication and remove the above hack.
	49	(FUNCTION_OK_FOR_SIBCALL): Define.
	50	* config/sparc/sparc.md (sibcall): New attr type. Use it almost
	51	always like call attribute.
	52	(eligible_for_sibcall_delay): New attribute.
	53	(sibcall): New delay type.
	54	(sibcall, sibcall_value, sibcall_epilogue): New expands.
	55	(sibcall_symbolic_sp32, sibcall_symbolic_sp64,
	56	sibcall_value_symbolic_sp32, sibcall_value_symbolic_sp64): New insns.
	57	* config/sparc/sparc.c (sparc_leaf_regs): New array.
	58	(eligible_for_sibcall_delay, output_restore_regs, output_sibcall):
	59	New functions.
	60	(output_function_epilogue): Move part of the code into
	61	output_restore_regs.
	62	(ultra_code_from_mask, ultrasparc_sched_reorder): Handle
	63	TYPE_SIBCALL.
	64	* sparc-protos.h (output_sibcall, eligible_for_sibcall_delay): New
	65	prototypes.
	66
46238b7d JJ	67	* config/sparc/sparc.h (REVERSIBLE_CC_MODE): Revert Jan, 25 change
	68	until infrastructure is finished.
	69
eef9a168 JL	70	Fri Mar 24 13:49:45 2000 Jeffrey A Law (law@cygnus.com)
	71
	72	* integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns here.
	73	(save_parm_insns): Not here.
	74
e3a709be KG	75	2000-03-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
	76
	77	* builtins.c (expand_builtin_bzero): New function.
	78	(expand_builtin): Handle bzero.
	79
	80	* builtins.def: Add BUILT_IN_BZERO.
	81
	82	* c-common.c (c_common_nodes_and_builtins): Provide builtin
	83	prototype & function for bzero.
	84
265ae617 MM	85	2000-03-23 Michael Meissner <meissner@redhat.com>
	86
	87	* config/alpha/alpha.md (TF floating point insns): Undo 2000-03-21
	88	change adding TARGET_FP to the TF floating point insns, except for
	89	trunctfsf2, which generates direct calls to truncdfsf2.
	90
1751425f GK	91	2000-03-23 Geoff Keating <geoffk@cygnus.com>
	92
	93	* config/rs6000/rs6000.h (ARG_POINTER_CFA_OFFSET): New definition,
	94	try to protect against middle-end changes that break binary
	95	compatibility.
	96	(DWARF_FRAME_REGISTERS): New definition, likewise for backend.
	97
cf92d7df MH	98	2000-03-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
	99
	100	* config/c4x/c4x.md (load_immed_address): Add DP reg clobber.
	101
25a1fcb4 RK	102	Thu Mar 23 17:10:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
	103
	104	* calls.c (expand_call): If TARGET is passed by reference and
	105	is readonly, write a CLOBBER.
	106
4b2a62db KG	107	2000-03-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
	108
	109	* builtins.c (expand_builtin): Handle bcmp.
	110
	111	* builtins.def: Add BUILT_IN_BCMP.
	112
	113	* c-common.c (c_common_nodes_and_builtins): Provide builtin
	114	prototype & function for bcmp.
	115
d4daa0b4 JW	116	Thu Mar 23 11:34:39 2000 Jim Wilson <wilson@cygnus.com>
	117
	118	* config/ia64/ia64.c (rtx_needs_barrier, case UNSPEC): Move case 6...
	119	(rtx_needs_barrier, case UNSPEC_VOLATILE): to here.
	120	* config/ia64/ia64.md (pr_restore): Change UNSPEC to UNSPEC_VOLATILE.
	121
fc5b7cda AH	122	Thu Mar 23 16:04:40 2000 Andrew Haley <aph@cygnus.com>
	123
	124	* config/mips/mips.md (movdf_internal1a): Delete (set 'f', 'F')
	125	alternative when using -fp64 -gp32.
	126
8034da37 JM	127	2000-03-22 Jason Merrill <jason@casey.cygnus.com>
	128
	129	* config/rs6000/rs6000.h (DWARF_FRAME_RETURN_COLUMN): Define.
	130	* config/alpha/alpha.h (DWARF_FRAME_RETURN_COLUMN): Define.
	131	* config/sparc/sparc.h (DWARF_FRAME_RETURN_COLUMN): Define.
	132
	133	* frame.h (frame_state): Revert last change.
	134	* frame.c (execute_cfa_insn): Just don't record the save of a CFA reg.
	135	* libgcc2.c (throw_helper): Revert last change.
	136
17e71da2 RH	137	2000-03-22 Richard Henderson <rth@cygnus.com>
	138
	139	* stmt.c (expand_asm_operands): Don't promote the temporary.
	140
2f939d94 TP	141	2000-03-22 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
	142
	143	* builtin.c (get_pointer_alignment): Use DECL_P and TYPE_P macros.
	144	* c-common.c (decl_attributes,check_format_info,truthvalue_conversion,
	145	c_get_alias_set): Likewise.
	146	* c-decl.c (duplicate_decls): Likewise.
	147	* c-typeck.c (default_conversion,build_unary_op): Likewise.
	148	* calls.c (initialize_argument_information): Likewise.
	149	* dwarf2out.c (decl_class_context,add_abstract_origin_attribute):
	150	Likewise.
	151	* dwarfout.c (decl_class_context,output_type): Likewise.
	152	* expr.c (get_inner_reference): Likewise.
	153	* fold-const.c (simple_operand_p,fold): Likewise.
	154	* function.c (aggregate_value_p): Likewise.
	155	* stmt.c (expand_asm_operands): Likewise.
	156	* varasm.c (named_section): Likewise.
	157
2c849145 JM	158	2000-03-22 Jason Merrill <jason@casey.cygnus.com>
2c849145 JM	159
2c849145 JM	160	Implement dwarf2 exception handling for the ARM.
	161	* config/arm/arm.h (INCOMING_RETURN_ADDR_RTX): Define.
	162	(DWARF_FRAME_RETURN_COLUMN): Define.
	163	* config/arm/arm.c (emit_multi_reg_push): Return rtx. Attach
	164	REG_FRAME_RELATED_EXPR note.
	165	(emit_sfm): Likewise.
	166	(arm_expand_prologue): Set RTX_FRAME_RELATED_P on everything.
	167	* dwarf2out.c (reg_save): Handle saving a register to itself.
	168	(dwarf2out_frame_debug_expr): Handle an intermediate cfa reg.
	169	* except.c (eh_regs): Don't use the static chain reg if it's
	170	callee-saved.
	171	* frame.h (frame_state): Add cfa_saved field.
	172	* frame.c (execute_cfa_insn): Set it.
	173	* libgcc2.c (throw_helper): Don't adjust sp if it's restored in
	174	the epilogue.
	175	* function.c (ARG_POINTER_CFA_OFFSET): Default to FIRST_PARM_OFFSET.
	176	Now takes a parm.
	177	(instantiate_virtual_regs): Adjust.
	178	* tm.texi: Adjust.
	179	* config/m68k/m68k.h (ARG_POINTER_CFA_OFFSET): Don't define.
	180	* config/ns32k/ns32k.h (ARG_POINTER_CFA_OFFSET): Don't define.
	181	* config/sparc/sparc.h (ARG_POINTER_CFA_OFFSET): Take a parm.
	182
	183	* dwarf2out.c (reg_number): Refer to FIRST_PSEUDO_REGISTER.
	184	(initial_return_save): Use DWARF_FRAME_REGNUM, not reg_number.
	185
cb1072f4 KG	186	2000-03-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
	187
	188	* builtins.def: New file.
	189
	190	* Makefile.in (TREE_H): Depend on builtins.def.
	191
	192	* builtins.c (built_in_names): Use builtins.def.
	193
	194	* tree.h (built_in_function): Likewise.
	195
dc397323 MM	196	2000-03-22 Mark Mitchell <mark@codesourcery.com>
	197
	198	* tree.c (size_in_bytes): Return size_zero_node, not
	199	integer_zero_node.
	200
fae8209a GK	201	2000-03-22 Geoff Keating <geoffk@cygnus.com>
	202
	203	* config/fp-bit.c (pack_d): Correct the case when a denormal
	204	is rounded up and stops being denormal.
	205
ea2e5dbe RH	206	2000-03-21 Richard Henderson <rth@cygnus.com>
	207
	208	* config/alpha/alpha.c (function_arg): Check for void_type_node
	209	before using MUST_PASS_IN_STACK.
	210
5d64361b SC	211	2000-03-21 Stephane Carrez <stcarrez@worldnet.fr>
	212
	213	* regmove.c (combine_stack_adjustments_for_block): Check that
	214	the stack pointer is a valid memory address.
	215
de76b467 JH	216	Wed Mar 22 11:44:50 MET 2000 Jan Hubicka <jh@suse.cz>
	217
	218	* calls.c: re-install Mar 16 emit_library_call merge.
	219
021e2ecc JJ	220	2000-03-21 Jakub Jelinek <jakub@redhat.com>
	221
	222	* config/sparc/sparc.c (mem_min_alignment): If not optimizing,
	223	we cannot be sure that if reload_completed base register will
	224	be properly aligned.
	225
1fa4609a RH	226	2000-03-21 Richard Henderson <rth@cygnus.com>
	227
	228	* flow.c (delete_block): Fix typo last change.
	229
b8de2d02 MM	230	2000-03-21 Mark Mitchell <mark@codesourcery.com>
	231
	232	* c-common.c (c_expand_expr_stmt): Use COMPLETE_TYPE_OR_VOID_P,
	233	not COMPLETE_TYPE_P, to check the type of the expression.
	234
4287843d MM	235	2000-03-21 Michael Meissner <meissner@redhat.com>
	236
	237	* config/alpha/alpha.md (floating point insns): Add TARGET_FP to
	238	all floating point insns that just tested the macro
	239	TARGET_HAS_XFLOATING_LIBS.
	240	(movsf/movdf recognizers): Add separate insns if -mno-fp-regs is
	241	used to only use the gprs.
	242
d0f062fb NS	243	2000-03-21 Nathan Sidwell <nathan@codesourcery.com>
	244
	245	* tree.h (COMPLETE_TYPE_P): New macro.
	246	(COMPLETE_OR_VOID_TYPE_P): New macro.
	247	(COMPLETE_OR_UNBOUND_ARRAY_TYPE_P): New macro.
	248	* stor-layout.c (layout_type, case VOID_TYPE): Don't set TYPE_SIZE.
	249	* c-aux-info.c (gen_type): Use them.
	250	* c-common.c (c_expand_expr_stmt): Likewise.
	251	* c-decl.c (poplevel, pushdecl, start_decl, finish_decl,
	252	grokdeclarator, grokparms, finish_struct, start_function,
	253	store_parm_decls, combine_parm_decls): Likewise.
	254	* c-parse.y (cast_expr): Likewise.
	255	* c-typeck.c (require_complete_type, c_sizeof, c_sizeof_nowarn,
	256	c_size_in_bytes, c_alignof, build_component_ref,
	257	build_indirect_ref, build_array_ref, convert_arguments,
	258	build_binary_op, pointer_diff, build_unary_op, digest_init: Likewise.
	259	* calls.c (initialize_argument_information): Likewise.
	260	* convert.c (convert_to_integer): Likewise.
	261	* dbxout.c (dbxout_typedefs, dbxout_type, dbxout_symbol): Likewise.
	262	* dwarfout.c (location_or_const_value_attribute,
	263	output_enumeration_type_die, output_structure_type_die,
	264	output_union_type_die, output_type): Likewise.
	265	* expr.c (safe_from_p, expand_expr): Likewise.
	266	* function.c (assign_parms): Likewise.
	267	* sdbout.c (sdbout_symbol, sdbout_one_type): Likewise.
	268	* tree.c (build_array_type, build_function_type,
	269	build_method_type, build_offset_type, build_complex_type): Likewise.
	270	* c-parse.c, c-parse.h: Regenerated.
	271
7d6e6314 MH	272	2000-03-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
	273
	274	* config/c4x/rtems.h: Include config/rtems.h.
	275
8053f393 DC	276	Tue Mar 21 09:24:00 2000 Denis Chertykov <denisc@overta.ru>
	277
	278	* config/avr/avr.c (encode_section_info): sets SYMBOL_REF_FLAG if
	279	decl is a FUNCTION_DECL
	280
1ff5b671 JW	281	Mon Mar 20 19:53:53 2000 Jim Wilson <wilson@cygnus.com>
	282
	283	* config/ia64/ia64.c (ia64_expand_prologue): Don't abort if leaf
	284	function uses output registers. Don't save RP for leaf functions.
	285	Do save RP even if no epilogue.
	286	* config/ia64/ia64.h (FIXED_REGISTERS): Unmark in/out registers.
	287	(CALL_USED_REGISTERS): Unmark in registers.
	288	(REG_ALLOC_ORDER): Move out regs up, to near the top. Move in regs up,
	289	to near the middle.
	290
1c882ea4 GK	291	2000-03-20 Geoff Keating <geoffk@cygnus.com>
	292
	293	* config/rs6000/rs6000.md (bunordered): New expander.
	294	(bordered): New expander.
	295	(buneq): New expander.
	296	(bunge): New expander.
	297	(bungt): New expander.
	298	(bunle): New expander.
	299	(bunlt): New expander.
	300	(bltgt): New expander.
	301
	302	* config/rs6000/rs6000.c (ccr_bit): Handle unordered comparisons.
	303	(ccr_bit_negated_p): New function.
	304	(print_operand): For %C, generate appropriate cror for UNEQ,
	305	UNLT, UNGT, and LTGT. For %T and %t, use ccr_bit_negated_p.
	306
bf5e8d0c AJ	307	2000-03-20 Andreas Jaeger <aj@suse.de>
	308
	309	* sdbout.c (sdbout_one_type): Add braces to avoid "ambigous else"
	310	warning.
	311
8c57aea6 AJ	312	* tree.h (safe_for_unsave): Prototype.
8c57aea6 AJ	313
9e11785b RH	314	2000-03-20 Richard Henderson <rth@cygnus.com>
	315
	316	* regmove.c (stack_memref_p): Fix typo, reorg for readability.
	317	(combine_stack_adjustments_for_block): Don't allow sp references
	318	in the side of a set we're not fixing up.
	319	* toplev.c (rest_of_compilation): Run combine_stack_adjustments
	320	after life_analysis.
	321
e245d3af RH	322	2000-03-20 Richard Henderson <rth@cygnus.com>
	323
	324	* calls.c (expand_call): Don't bother generating tail call
	325	sequences if there are pending cleanups. Use
	326	expand_start_target_temps/expand_end_target_temps to elide
	327	cleanups created during sibcall expansion.
	328
1c521d41 GK	329	2000-03-20 Geoff Keating <geoffk@cygnus.com>
	330
	331	* configure.in: Set $IFS to a value if it doesn't already have one
	332	in the --enable-checking handling.
	333	* configure: Regenerate.
	334
949d707d ML	335