GitLab

	* target.h (gcc_target) <asm_out>: New field output_dwarf_dtprel.
	* target-def.h (TARGET_ASM_OUTPUT_DWARF_DTPREL): New macro.
	(TARGET_ASM_OUT): Add it.
	* doc/tm.texi (Debugging Info): Document it.
	* dwarf2out.c (output_loc_operands) <INTERNAL_DW_OP_tls_addr>:
	Test it instead of ASM_OUTPUT_DWARF_DTPREL.
	(loc_descriptor_from_tree_1) <VAR_DECL>: Likewise.
	* system.h: Poison ASM_OUTPUT_DWARF_DTPREL.
	* config/frv/frv-protos.h (frv_output_dwarf_dtprel): Delete.
	* config/frv/frv.c (frv_output_dwarf_dtprel): Make static and unused.
	(gen_inlined_tls_plt): Remove unused variable MEM.
	(TARGET_ASM_OUTPUT_DWARF_DTPREL): Define to frv_output_dwarf_dtprel.
	* config/frv/frv.h (ASM_OUTPUT_DWARF_DTPREL): Delete.
	* config/i386/i386-protos.h (i386_output_dwarf_dtprel): Delete.
	* config/i386/i386.c (i386_output_dwarf_dtprel): Make static and
	unused.
	(TARGET_ASM_OUTPUT_DWARF_DTPREL): Define to i386_output_dwarf_dtprel.
	* config/i386/i386.h (ASM_OUTPUT_DWARF_DTPREL): Delete.
	* config/ia64/ia64-protos.h (ia64_output_dwarf_dtprel): Delete.
	* config/ia64/ia64.c (ia64_output_dwarf_dtprel): Make static and
	unused.
	(TARGET_ASM_OUTPUT_DWARF_DTPREL): Define to ia64_output_dwarf_dtprel.
	* config/ia64/ia64.h (ASM_OUTPUT_DWARF_DTPREL): Delete.
	* config/rs6000/rs6000-protos.h (rs6000_output_dwarf_dtprel): Delete.
	* config/rs6000/rs6000.c (rs6000_output_dwarf_dtprel): Make static and
	unused.
	(TARGET_ASM_OUTPUT_DWARF_DTPREL): Define to rs6000_output_dwarf_dtprel
	* config/rs6000/rs6000.h (ASM_OUTPUT_DWARF_DTPREL): Delete.
	* config/s390/s390-protos.h (s390_output_dwarf_dtprel): Delete.
	* config/s390/s390.c (s390_output_dwarf_dtprel): Make static and
	unused.
	(TARGET_ASM_OUTPUT_DWARF_DTPREL): Define to s390_output_dwarf_dtprel.
	* config/s390/s390.h (ASM_OUTPUT_DWARF_DTPREL): Delete.
	* config/sparc/sol2-gas.h (TARGET_SUN_TLS): Define to 0.
	(TARGET_GNU_TLS): Define to 1.
	* config/sparc/sparc-protos.h (sparc_output_dwarf_dtprel): Delete.
	* config/sparc/sparc.c (sparc_output_dwarf_dtprel): Make static and
	unused.
	(TARGET_ASM_OUTPUT_DWARF_DTPREL): Define to sparc_output_dwarf_dtprel
	if TARGET_GNU_TLS only.
	* config/sparc/sparc.h (ASM_OUTPUT_DWARF_DTPREL): Delete.

	* config.gcc (sparc64-*-solaris2*): Include tm-dwarf2.h last.
	(sparc-*-solaris2*): Likewise on Solaris 7 and up.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@100742 138bc75d-0d04-0410-961f-82ee72b054a4

	* config/s390/s390.c: (s390_const_double_ok_for_constraint_p): New
	function.
	(legitimate_reload_constant_p): Add check for const double zero.
	* config/s390/s390.md: Add comment for constraint letter 'G'.
	("*movdf_64", "*movdf_31", "movsf"): Add constraint and proper
	attributes for new case.
	* config/s390/s390.h: (CONST_DOUBLE_OK_FOR_CONSTRAINT_P): Define it as
	s390_const_double_ok_for_constraint_p.
	* config/s390/s390-protos.h (s390_const_double_ok_for_constraint_p):
	Add prototype.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@99541 138bc75d-0d04-0410-961f-82ee72b054a4

	* config/s390/s390-protos.h: (s390_match_ccmode,
	s390_match_ccmode_set, reg_used_in_mem_p,
	symbolic_reference_mentioned_p, tls_symbolic_reference_mentioned_p,
	legitimate_la_operand_p, preferred_la_operand_p,
	s390_short_displacement, addr_generation_dependency_p,
	legitimate_reload_constant_p, legitimate_address_p): Change return type
	into 'bool'.
	(s390_tm_ccmode): Change type of parameter "mixed" into 'bool'.
	* config/s390/s390.c: (s390_match_ccmode,
	symbolic_reference_mentioned_p, tls_symbolic_reference_mentioned_p,
	legitimate_reload_constant_p): Change return type into 'bool'.
	(preferred_la_operand_p,legitimate_la_operand_p, legitimate_address_p):
	Likewise.  Additionally adapted comment.
	(s390_extra_constraint_p): Change Comment to reflect 'int' return type.
	(s390_tm_ccmode): Change type of parameter "mixed" into 'bool'.
	(s390_decompose_address): Change the type of the internal flags
	"pointer", "base_ptr", "indx_ptr", and the return value into 'bool'.
	(struct s390_address): Change type of "pointer" into bool.
	* config/s390/s390.md: ("*tmdi_reg", "*tmsi_reg", "tm<mode>_full"):
	Adapt calls for 's390_tm_ccmode' to the new signature.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@99463 138bc75d-0d04-0410-961f-82ee72b054a4

	coverage.c, cselib.h, domwalk.c, domwalk.h, errors.c,
	errors.h, gcov-dump.c, gcov-io.c, gcov-io.h, gen-protos.c,
	genattrtab.h, genextract.c, gthr-win32.h, insn-notes.def,
	integrate.c, lambda-mat.c, lambda.h, libgcov.c, local-alloc.c,
	machmode.def, mips-tfile.c, params.c, pretty-print.c,
	print-rtl.c, protoize.c, regmove.c, sched-vis.c, tree-chrec.h,
	tree-data-ref.h, vec.h, config/darwin-c.c, config/sol2-c.c,
	config/sol2.c, config/arm/arm-cores.def, config/arm/cirrus.md,
	config/arm/symbian.h, config/c4x/c4x.c, config/c4x/c4x.h,
	config/i386/cygming.h, config/i386/djgpp.h,
	config/i386/lynx.h, config/i386/netware.c,
	config/i386/winnt.c, config/ia64/ia64-c.c,
	config/iq2000/iq2000.c, config/m32r/little.h,
	config/m68k/m68k-protos.h, config/m68k/m68k.h,
	config/m68k/m68k.md, config/mcore/mcore.c,
	config/mcore/mcore.h, config/mmix/mmix.c, config/mmix/mmix.md,
	config/mn10300/mn10300-protos.h, config/mn10300/mn10300.c,
	config/mn10300/mn10300.h, conf...

	* config/s390/s390-protos.h: (s390_comparison,
	s390_alc_comparison, s390_slb_comparison, const0_operand,
	consttable_operand, larl_operand, s_operand,
	shift_count_operand, bras_sym_operand, load_multiple_operation,
	store_multiple_operation, s390_plus_operand): Remove prototypes.
	(s390_legitimate_address_without_index_p): New prototype.
	* config/s390/s390.c: (SYMBOL_FLAG_ALIGN1, DISP_IN_RANGE): Move
	to s390.h.
	(s390_comparison, s390_alc_comparison, s390_slb_comparison,
	const0_operand, consttable_operand, larl_operand, s_operand,
	shift_count_operand, bras_sym_operand, load_multiple_operation,
	store_multiple_operation, s390_plus_operand): Move to
	predicates.md.
	(check_mode): Remove.
	(s390_branch_condition_mask): Remove 'static'. Move prototype to
	s390-protos.h.
	(s390_legitimate_address_without_index_p): New.
	* config/s390/s390.h (PREDICATE_CODES): Remove.
	* config/s390/s390.md: Include predicates.md.
	* config/s390/predicates.md: New.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@97554 138bc75d-0d04-0410-961f-82ee72b054a4

	* config/s390/s390-protos.h (s390_pool_operand): Remove.
	* config/s390/s390.c (s390_pool_operand): Likewise.
	(s390_extra_constraint_str): Handle 'B' constraints.
	* config/s390/s390.h (CONSTRAINT_LEN): Handle 'B' constraints.
	* config/s390/s390.md: Document 'B' constraints.
	("*cmpdi_cct", "*cmpsi_cct"): Use 'B' constraint instead of
	s390_pool_operand to prevent insns with two literal pool
	references.  Make pattern commutative.
	("*cmpdi_ccu", "*cmpsi_ccu", "*cmphi_ccu", "*cmpqi_ccu"): Use
	'B' constraint instead of s390_pool_operand.

testsuite/ChangeLog:

	* gcc.dg/20041109-1.c: New test.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@90364 138bc75d-0d04-0410-961f-82ee72b054a4

	* config/s390/s390.c (s390_split_access_reg): New function.
	(regclass_map): Add access registers.
	(get_thread_pointer): Use access register instead of UNSPEC_TP.
	* config/s390/s390.h (FIRST_PSEUDO_REGISTER): Set to 38.
	(ACCESS_REGNO_P, ACCESS_REG_P): New macros.
	(TP_REGNUM): New define.
	(FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS,
	REG_ALLOC_ORDER): Add access registers.
	(HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
	CANNOT_CHANGE_MODE_CLASS): Support access registers.
	(enum reg_class): Add ACCESS_REGS.
	(REG_CLASS_NAMES, REG_CLASS_CONTENTS): Likewise.
	(REG_CLASS_FROM_LETTER): Add 't' constraint.
	(REGISTER_NAMES): Add access registers.
	* config/s390/s390.md (UNSPEC_TP): Remove.
	("*movdi_64"): Add access register alternatives.  Provide splitters
	to split DImode access register <-> GPR moves into SImode moves.
	("*movsi_zarch", "*movsi_esa"): Add access register alternatives.
	("movstrictsi"): Likewise.
	("get_tp_64", "get_tp_31"): Reimplement using access registers.
	("set_tp_64", "set_tp_31"): Likewise.
	("*set_tp"): New insn.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@90036 138bc75d-0d04-0410-961f-82ee72b054a4

	* config/s390/s390.c (s390_offset_p): New function.
	* config/s390/s390.md ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccu",
	"*cmpsi_ccu", "*cmphi_ccu", "*cmpqi_ccu"): Use splitter to
	transform Q->Q alternatives to *clc pattern.
	("*clc"): Move.
	("movti", "*movdi_64", "*movdi_31", "*movsi_zarch", "*movsi_esa",
	"*movhi", "*movqi", "*movdf_64", "*movdf_31", "movsf"): Use splitter
	to transform Q->Q alternatives to *mvc pattern.
	("*mvc"): Move.  Add peephole to merge adjacent MVCs.
	("*anddi3", "*andsi3_zarch", "*andsi3_esa", "*andhi3_zarch",
	"*andhi3_esa", "*andqi3_zarch", "*andqi3_esa"): Use splitter to
	transform Q->Q alternatives to *nc pattern.
	("*nc"): New insn.  New peephole to merge adjacent NCs.
	("*iordi3", "*iorsi3_zarch", "*iorsi3_esa", "*iorhi3_zarch",
	"*iorhi3_esa", "*iorqi3_zarch", "*iorqi3_esa"): Use splitter to
	transform Q->Q alternatives to *oc pattern.
	("*oc"): New insn.  New peephole to merge adjacent OCs.
	("*xordi3", "*xorsi3", "*xorhi3", "*xorqi3"): Use splitter to
	transform Q->Q alternatives to *xc pattern.
	("*xc"): New insn.  New peephole to merge adjacent XCs.
	("*xc_zero"): Move.  Add peephole to merge adjacent XCs.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@88878 138bc75d-0d04-0410-961f-82ee72b054a4

	* config/s390/s390.c (s390_narrow_logical_operator): New function.
	(s390_extra_constraint_str): Add 'A' constraints.
	(s390_const_ok_for_constraint_p): Add 'Nx' constraints.
	* config/s390/s390.h (EXTRA_MEMORY_CONSTRAINT): Add 'A' constraint.
	(CONSTRAINT_LEN): Likewise.
	* config/s390/s390.md ("*anddi3"): Add NI alternative and splitter.
	("*andsi3_zarch", "*andsi3_esa"): Likewise.
	("*andhi3_zarch", "*andhi3_esa"): Likewise.
	("*iordi3"): Add OI alternative and splitter.
	("*iorsi3_zarch", "*iorsi3_esa"): Likewise.
	("*iorhi3_zarch", "*iorhi3_esa"): Likewise.
	("*xordi3"): Add XI alternative and splitter.
	("*xorsi3", "*xorhi3"): Likewise.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@88705 138bc75d-0d04-0410-961f-82ee72b054a4

	(s390_pool_operand): Add prototype.
	* config/s390/s390.c (general_s_operand): Remove.
	(s_imm_operand): Remove.
	(s_operand): Merge contents of general_s_operand.
	(s390_pool_operand): New function.
	* config/s390/s390.h (PREDICATE_CODES): Remove s_imm_operand.
	* config/s390/s390.md ("*cmpdi_cct", "*cmpsi_cct"): New insns.
	("*cmpdi_ccu"): Merge Q->Q alternative.
	("*cmpsi_ccu", "*cmphi_ccu"): Likewise.
	("*cmpqi_ccu"): Merge Q->Q, n->Q, n->S alternatives.
	("*cli"): Remove.
	("*cmpdi_ccu_mem", "*cmpsi_ccu_mem"): Likewise.
	("*cmphi_ccu_mem", "*cmpqi_ccu_mem"): Likewise.
	("*movstricthi"): Use memory_operand instead of s_imm_operand.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@88614 138bc75d-0d04-0410-961f-82ee72b054a4

	* config/s390/s390.c (s390_comparison): New function.
	(s390_branch_condition_mask): Return -1 for invalid comparisons.
	(s390_branch_condition_mnemonic): Assert valid comparison.
	* config/s390/s390.h (PREDICATE_CODES): Add s390_comparison.
	* config/s390/s390.md ("*cjump_64", "*cjump_31", "*cjump_long",
	"*icjump_64", "*icjump_31", "*icjump_long", "*trap"): Use
	s390_comparison instead of comparison_operator.

	* config/s390/s390.md (UNSPEC_CMPINT): New constant.
	("cmpmemdi"): Remove.
	("cmpmem_short", "*cmpmem_short"): Use CCUmode instead of CCSmode.
	("cmpmem_long", "*cmpmem_long_64", "*cmpmem_long_31"): Likewise.
	("cmpint_si"): Rename to ...
	("*cmpint_si"): ... this.  Use UNSPEC_CMPINT.
	("cmpint_di", "*cmpint_di"): Likewise.
	* config/s390/s390.c (s390_canonicalize_comparison): Remove
	redundant UNSPEC_CMPINT conversions.
	(s390_expand_cmpmem): Adapt to cmpint pattern changes.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@88410 138bc75d-0d04-0410-961f-82ee72b054a4

	prototype.
	(s390_logical_operator_ok_p): Likewise.
	* config/s390/s390.c (s390_expand_logical_operator): New function.
	(s390_logical_operator_ok_p): Likewise.
	* config/s390/s390.md ("anddi3"): New expander.
	("*anddi3"): Rename from old anddi3 pattern, add Q->Q alternative.
	("*anddi3_ss", "*anddi3_ss_inv"): Remove.
	("andsi3"): Use s390_expand_logical_operator.
	("*andsi3_esa", "*andsi3_zarch"): Add Q->Q alternative.
	("*andsi3_ss", "*andsi3_ss_inv"): Remove.
	("andhi3"): New expander.
	("*andhi3_zarch", "*andhi3_esa"): New patterns.
	("andhi3", "*andhi3_ni", "*andhi3_ss", "*andhi3_ss_inv"): Remove.
	("andqi3"): New expander.
	("*andqi3_zarch", "*andqi3_esa"): New patterns.
	("andqi3", "*andqi3_ni", "*andqi3_ss", "*andqi3_ss_inv"): Remove.
	("iordi3"): New expander.
	("*iordi3"): Rename from old iordi3 pattern, add Q->Q alternative.
	("*iordi3_ss", "*iordi3_ss_inv"): Remove.
	("iorsi3"): Use s390_expand_logical_operator.
	("*iorsi3_esa", "*iorsi3_zarch"): Add Q->Q alternative.
	("*iorsi3_ss", "*iorsi3_ss_inv"): Remove.
	("iorhi3"): New expiorer.
	("*iorhi3_zarch", "*iorhi3_esa"): New patterns.
	("iorhi3", "*iorhi3_ni", "*iorhi3_ss", "*iorhi3_ss_inv"): Remove.
	("iorqi3"): New expiorer.
	("*iorqi3_zarch", "*iorqi3_esa"): New patterns.
	("iorqi3", "*iorqi3_ni", "*iorqi3_ss", "*iorqi3_ss_inv"): Remove.
	("xordi3"): New expander.
	("*xordi3"): Rename from old xordi3 pattern, add Q->Q alternative.
	("*xordi3_ss", "*xordi3_ss_inv"): Remove.
	("xorsi3"): New expander.
	("*xorsi3"): Rename from old xorsi3 pattern, add Q->Q alternative.
	("*xorsi3_ss", "*xorsi3_ss_inv"): Remove.
	("xorhi3"): New expander.
	("*xorqi3"): Rename from old xorhi3 pattern, add Q->Q alternative.
	("*xorhi3_ss", "*xorhi3_ss_inv"): Remove.
	("xorqi3"): New expander.
	("*xorqi3"): Rename from old xorqi3 pattern, add Q->Q alternative.
	("*xorqi3_ss", "*xorqi3_ss_inv"): Remove.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@88370 138bc75d-0d04-0410-961f-82ee72b054a4

	(s390_return_address_offset): Remove.
	(s390_can_eliminate): Add prototype.
	(s390_initial_elimination_offset): Add prototype.
	* config/s390/s390.h (CAN_ELIMINATE): Call s390_can_eliminate.
	(INITIAL_ELIMINATION_OFFSET): Call s390_initial_elimination_offset.
	* config/s390/s390.c (s390_arg_frame_offset): Remove.
	(s390_return_address_offset): Remove.
	(s390_can_eliminate, s390_initial_elimination_offset): New functions.
	(struct machine_function): New member split_branches_pending_p.
	(s390_mainpool_start): Allow nonexistant pool insn for empty pool.
	(s390_mainpool_finish): Likewise.  Clear base_reg if pool empty.
	(s390_optimize_prologue): Remove base_used argument.  Call
	s390_update_frame_layout instead of s390_register_info.  Handle
	prologue/epilogue insns that touch only RETURN_REGNUM.
	(s390_reorg): Remove base_used.  Clear split_branches_pending_p.
	(s390_register_info): Remove base_used and return_addr_used
	arguments, compute special register usage inline.  Return live
	register data to caller.
	(s390_frame_info): Remove arguments, do not call s390_register_info.
	(s390_init_frame_layout): New function.
	(s390_update_frame_layout): Likewise.
	(s390_emit_prologue): Call s390_update_frame_layout; some code
	move to there.  Do not emit pool placeholder insn if unnecessary.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@88357 138bc75d-0d04-0410-961f-82ee72b054a4

	* config/s390/s390.c (s390_back_chain_rtx): New function.
	* config/s390/s390.md ("allocate_stack"): Use s390_back_chain_rtx.
	Call anti_adjust_stack.
	("restore_stack_block"): Use s390_back_chain_rtx.  Enable pattern
	only if compiling with back chain.
	("save_stack_nonlocal", "restore_stack_nonlocal"): Save/restore
	back chain only if back chain enabled.  Use s390_back_chain_rtx.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@88087 138bc75d-0d04-0410-961f-82ee72b054a4

	* config/s390/s390-protos.h (s390_emit_tpf_eh_return): Add prototype.
	* config/s390/s390.c (s390_emit_tpf_eh_return): New function.
	* config/s390/s390.h (TARGET_TPF): New macro.
	* config/s390/s390.md ("eh_return"): New expander.
	* config/s390/t-tpf (LIB2ADDEH): Use unwind-dw2-fde.c rather than
	unwind-dw2-fde-glibc.c.  Add config/s390/tpf-eh.c.
	(LIB2ADDEHDEP): Remove unwind-dw2-fde.c.
	* config/s390/tpf.h (TARGET_TPF): Define to 1.
	(STACK_POINTER_OFFSET): Increase to 448.
	(TARGET_DEFAULT): Set -mtpf-trace on as default.
	(TPF_LOC_DIFF_OFFSET): New macro.
	(ASM_PREFERRED_EH_DATA_FORMAT): Redefine to always use absolute
	encoding.
	(__isPATrange): Add prototype.
	(MD_FALLBACK_FRAME_STATE_FOR): Define.
	* config/s390/tpf-eh.c: New file.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@87857 138bc75d-0d04-0410-961f-82ee72b054a4

	Return -1 if LEGITIMIZE_RELOAD_ADDRESS succeeded.
	(find_reloads): Assume that reloaded addresses match 'o' or
	EXTRA_MEMORY_CONSTRAINT constraints only if find_reloads_address
	returned 1 (not -1).  Omit optional reloads for address operands
	only if find_reloads_address returned 1 (not -1).

	* config/s390/s390.c (legitimize_reload_address): New function.
	* config/s390/s390-protos.h (legitimize_reload_address): Declare.
	* config/s390/s390.h (LEGITIMIZE_RELOAD_ADDRESS): Define.  Call
	legitimize_reload_address.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@86388 138bc75d-0d04-0410-961f-82ee72b054a4

	* config/s390/s390.c (preferred_la_operand_p): Accept two operands
	instead of one.  Check for strictly legitimate address.
	* config/s390/s390.md ("*la_31"/"*la_64" peepholes): Adapt call
	to preferred_la_operand_p, do not call gen_rtx_PLUS in predicate.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@86278 138bc75d-0d04-0410-961f-82ee72b054a4

	* config/s390/s390.c (s390_canonicalize_comparison): New function.
	* config/s390/s390.h (CANONICALIZE_COMPARISON): Define.
	* config/s390/s390.md ("*tmdi_ext", "*tmsi_ext", "*tmqisi_ext",
	"*tmqidi_ext", "*tmdi_mem", "*tmsi_mem", "*tmhi_mem"): Remove.
	("*tmqi_mem"): Remove SUBREG from pattern.
	("*anddi3_cconly"): Prevent accidentally matching TM pattern.
	("*andsi3_cconly"): Likewise.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@85770 138bc75d-0d04-0410-961f-82ee72b054a4

	* config/s390/s390-protos.h (s390_return_address_offset): Prototype
	added.
	* config/s390/s390.c (regclass_map initializer): Register 35 added to
	ADDR_REGS.
	(load_multiple_operation, store_multiple_operation): Removed
	pointless sanity check.
	(s390_decompose_address): Added check for return_address_pointer_rtx.
	(s390_return_addr_rtx): Use return_address_pointer_rtx for count == 0.
	(s390_return_address_offset): New function.
	* config/s390/s390.h (FIRST_PSEUDO_REGISTER): Increased to 36.
	(FRAME_REGNO_P): Added check for register 35.
	(FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS,
	REG_ALLOC_ORDER): Appended entry for register 35.
	(REG_CLASS_CONTENTS): Adjusted class masks for register 35.
	(EH_RETURN_HANDLER_RTX): Use return_address_pointer_rtx.
	(RETURN_ADDRESS_POINTER_REGNUM): New macro.
	(ELIMINABLE_REGS, INITIAL_ELIMINATION_OFFSET): Return address pointer
	is eliminable using stack pointer or hard frame pointer.
	(REGISTER_NAMES): Added name for register 35.
	* config/s390/s390.md ("load_multiple", "store_multiple"): Removed
	pointless sanity check.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@84918 138bc75d-0d04-0410-961f-82ee72b054a4

	* target-def.h (TARGET_PASS_BY_REFERENCE): New.
	* function.c (pass_by_reference): Use the hook.
	* system.h (FUNCTION_ARG_PASS_BY_REFERENCE): Poison.
	* targhooks.c, targhooks.h (hook_pass_by_reference_false): New.
	(hook_pass_by_reference_must_pass_in_stack): New.
	* config/alpha/alpha.c (function_arg): Don't query pass-by-ref.
	(alpha_pass_by_reference): New.
	(TARGET_PASS_BY_REFERENCE): New.
	* config/alpha/alpha.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
	* config/arc/arc.c (arc_pass_by_reference): New.
	(TARGET_PASS_BY_REFERENCE): New.
	* config/arc/arc.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
	(FUNCTION_ARG_CALLEE_COPIES): True.
	* config/arm/arm-protos.h (arm_function_arg_pass_by_reference): Remove.
	* config/arm/arm.c (TARGET_PASS_BY_REFERENCE): New.
	(arm_pass_by_reference): Rename from arm_function_arg_pass_by_reference.
	* config/arm/arm.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
	* config/c4x/c4x.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
	* config/cris/cris.c (cris_pass_by_reference): New.
	(TARGET_PASS_BY_REFERENCE): New.
	* config/cris/cris.h (FUNCTION_ARG): Don't query pass-by-ref.
	(FUNCTION_INCOMING_ARG, FUNCTION_ARG_ADVANCE): Likewise.
	(FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
	* config/fr30/fr30.c (TARGET_PASS_BY_REFERENCE): New.
	* config/fr30/fr30.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
	* config/frv/frv-protos.h (frv_function_arg_pass_by_reference): Kill.
	* config/frv/frv.c (TARGET_PASS_BY_REFERENCE): New.
	(frv_function_arg_pass_by_reference): Remove.
	* config/frv/frv.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
	* config/i386/i386-protos.h (function_arg_pass_by_reference): Remove.
	* config/i386/i386.c (TARGET_PASS_BY_REFERENCE): New.
	(ix86_pass_by_reference): Rename from function_arg_pass_by_reference.
	* config/i386/i386.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
	* config/ia64/ia64-protos.h (ia64_function_arg_pass_by_reference): Kill.
	* config/ia64/ia64.c (TARGET_PASS_BY_REFERENCE): New.
	(ia64_pass_by_reference): Rename from
	ia64_function_arg_pass_by_reference.
	* config/ia64/ia64.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
	* config/ip2k/ip2k.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
	* config/iq2000/iq2000-protos.h (function_arg_pass_by_reference): Kill.
	* config/iq2000/iq2000.c (TARGET_PASS_BY_REFERENCE): New.
	(iq2000_pass_by_reference): Rename from function_arg_pass_by_reference.
	* config/iq2000/iq2000.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
	(FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
	* config/m32r/m32r-protos.h (m32r_pass_by_reference): Remove.
	* config/m32r/m32r.c (TARGET_PASS_BY_REFERENCE): New.
	(m32r_pass_by_reference): Adjust prototype.  Make static.
	Handle mode sizes correctly.
	* config/m32r/m32r.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
	* config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c
	(m68hc11_function_arg_pass_by_reference): Remove.
	* config/m68hc11/m68hc11.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
	(FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
	* config/mcore/mcore.c (TARGET_PASS_BY_REFERENCE): New.
	* config/mcore/mcore.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
	* config/mips/mips-protos.h (function_arg_pass_by_reference): Remove.
	* config/mips/mips.c (TARGET_PASS_BY_REFERENCE): New.
	(mips_va_arg): Use pass_by_reference.
	(mips_pass_by_reference): Rename from function_arg_pass_by_reference.
	Handle mode sizes correctly.
	* config/mips/mips.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
        (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
	* config/mmix/mmix-protos.h (mmix_function_arg_pass_by_reference): Kill.
	* config/mmix/mmix.c (TARGET_PASS_BY_REFERENCE): New.
	(mmix_pass_by_reference): Rename from
	mmix_function_arg_pass_by_reference.
	* config/mmix/mmix.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
	(FUNCTION_ARG_CALLEE_COPIES): True.
	* config/mn10300/mn10300.c (TARGET_PASS_BY_REFERENCE): New.
	(mn10300_pass_by_reference): New.
	* config/mn10300/mn10300.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
	(FUNCTION_ARG_CALLEE_COPIES): True.
	* config/pa/pa.c (pa_pass_by_reference): New.
	(TARGET_PASS_BY_REFERENCE): New.
	* config/pa/pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
        (FUNCTION_ARG_CALLEE_COPIES): True.
	* config/rs6000/rs6000-protos.h (function_arg_pass_by_reference): Kill.
	* config/rs6000/rs6000.c (TARGET_PASS_BY_REFERENCE): New.
	(rs6000_pass_by_reference): Rename from function_arg_pass_by_reference.
	* config/rs6000/rs6000.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
	* config/s390/s390-protos.h (s390_function_arg_pass_by_reference): Kill.
	* config/s390/s390.c (TARGET_PASS_BY_REFERENCE): New.
	(s390_pass_by_reference): Rename from
	s390_function_arg_pass_by_reference.
	(s390_function_arg_advance): Don't query pass-by-ref.
	(s390_function_arg): Likewise.
	(s390_gimplify_va_arg): Use pass_by_reference.
	(s390_call_saved_register_used): Likewise.
	* config/s390/s390.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
	* config/sh/sh.c (TARGET_PASS_BY_REFERENCE): New.
	(shcompact_byref, sh_pass_by_reference): New.
	* config/sh/sh.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
	(SHCOMPACT_BYREF): Remove.
	* config/sparc/sparc-protos.h (function_arg_pass_by_reference): Kill.
	* config/sparc/sparc.c (TARGET_PASS_BY_REFERENCE): New.
	(sparc_pass_by_reference): Rename from function_arg_pass_by_reference.
	(sparc_gimplify_va_arg): Use pass_by_reference.
	* config/sparc/sparc.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
	* config/stormy16/stormy16.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
	* config/v850/v850.c (TARGET_PASS_BY_REFERENCE): New.
	(v850_pass_by_reference): New.
	* config/v850/v850.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
	(FUNCTION_ARG_CALLEE_COPIES): True.
	* doc/tm.texi (TARGET_PASS_BY_REFERENCE): Update from
	FUNCTION_ARG_PASS_BY_REFERENCE docs.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@84672 138bc75d-0d04-0410-961f-82ee72b054a4

* builtins.c: Rename movstr*, except for movstrict*, to
movmem* and clrstr* to clrmem*.
* expr.c: Likewise.
* expr.h: Likewise.
* genopinit.c: Likewise.
* integrate.c: Likewise.
* local-alloc.c: Likewise.
* optabs.c: Likewise.
* optabs.h: Likewise.
* config/alpha/alpha.h: Likewise.
* config/alpha/alpha.md: Likewise.
* config/arm/arm-protos.h: Likewise.
* config/arm/arm.c: Likewise.
* config/arm/arm.md: Likewise.
* config/avr/avr.md: Likewise.
* config/c4x/c4x.c: Likewise.
* config/c4x/c4x.md: Likewise.
* config/frv/frv.md: Likewise.
* config/i386/i386-protos.h: Likewise.
* config/i386/i386.c: Likewise.
* config/i386/i386.h: Likewise.
* config/i386/i386.md: Likewise.
* config/i860/i860.c: Likewise.
* config/i860/i860.md: Likewise.
* config/ip2k/ip2k.md: Likewise.
* config/ip2k/libgcc.S: Likewise.
* config/ip2k/t-ip2k: Likewise.
* config/m32r/m32r.c: Likewise.
* config/m32r/m32r.md: Likewise.
* config/mcore/mcore.md: Likewise.
* config/mips/mips.c: Likewise.
* config/mips/mips.md: Likewise.
* config/ns32k/ns32k.c: Likewise.
* config/ns32k/ns32k.h: Likewise.
* config/ns32k/ns32k.md: Likewise.
* config/pa/pa.c: Likewise.
* config/pa/pa.md: Likewise.
* config/pdp11/pdp11.h: Likewise.
* config/pdp11/pdp11.md: Likewise.
* config/rs6000/rs6000.c: Likewise.
* config/rs6000/rs6000.md: Likewise.
* config/s390/s390-protos.h: Likewise.
* config/s390/s390.c: Likewise.
* config/s390/s390.md: Likewise.
* config/sh/lib1funcs.asm: Likewise.
* config/sh/sh.c: Likewise.
* config/sh/sh.md: Likewise.
* config/sh/t-sh: Likewise.
* config/sparc/sparc.h: Likewise.
* config/vax/vax.md: Likewise.
* config/xtensa/xtensa.c: Likewise.
* config/xtensa/xtensa.md: Likewise.
* doc/invoke.texi: Likewise.
* doc/md.texi: Likewise.
* doc/rtl.texi: Likewise.
gcc/testsuite/ChangeLog:
* gcc.c-torture/execute/builtins/mempcpy-2.c: Rename movstr*,
except for movstrict*, to movmem* and clrstr* to clrmem*.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@84222 138bc75d-0d04-0410-961f-82ee72b054a4

	* config/s390/s390.c (struct machine_function): Add member base_reg.
	(s390_decompose_address): Accept UNSPEC_LTREF.  Simplify logic.
	(s390_split_branches): Annotate late pool references.
	(annotate_constant_pool_refs): New function.
	(find_constant_pool_ref): Work on annotated pool references.
	(replace_constant_pool_ref): Likewise.  Use explicit base.
	(replace_ltrel_base): Use explicit base.
	(s390_mainpool_start): Reflect main_pool pattern change.
	(s390_mainpool_finish): Use base register from main_pool.
	Update calls to replace_ltrel_base and replace_constant_pool_ref.
	(s390_chunkify_start): Use base_reg from struct machine_function.
	(s390_chunkify_finish): Remove base_reg argument.  Update calls
	to replace_ltrel_base and replace_constant_pool_ref.
	(s390_reorg): Don't decide upon base register.  Update calls.
	(s390_load_got): Remove MAYBE_DEAD handling.  Do not emit insns
	but return sequence instead.
	(s390_emit_prologue): Decide upon base register to use.  Annotate
	all literal pool references.  Adapt to main_pool pattern change.
	Update s390_load_got call; move MAYBE_DEAD handling here.
	(s390_emit_epilogue): Annotate late literal pool references.
	Remove barrier before register restore instruction.
	* config/s390/s390.md (UNSPEC_LTREF): New constant.
	("builtin_setjmp_receiver"): Update s390_load_got call.
	("main_pool"): Explicitly reference base register.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@83735 138bc75d-0d04-0410-961f-82ee72b054a4

	(s390_emit_jump): Likewise.
	* config/s390/s390.c (s390_emit_compare): New function.
	(s390_emit_jump): Likewise.
	* config/s390/s390.md ("beq", "bne", "bgt", "bgtu", "blt", "bltu",
	"bge", "bgeu", "ble", "bleu", "bunordered", "bordered", "buneq",
	"bungt", "bunlt", "bunge", "bunle", "bltgt"): Use s390_emit_compare
	and s390_emit_jump.
	("cjump"): Remove, replace by ...
	("*cjump_64", "*cjump_31"): ... these insns.  Improve length default.
	("icjump", "*icjump_64", "*icjump_31"): Likewise.
	("trap"): Fix type attribute.
	("conditional_trap"): Use s390_emit_compare.
	("doloop_si"): Remove, replace by ...
	("doloop_si64", "doloop_si31"): ... these new insn_and_split.
	Merge existing splitter into insn_and_split.  Improve length default.
	("doloop_di"): Merge with existing splitter into insn_and_split.
	("doloop"): Adapt.
	("jump"): Convert to expander.  Use s390_emit_jump.
	("*jump_64", "*jump_31"): New insns.  Improve length default.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@83574 138bc75d-0d04-0410-961f-82ee72b054a4

	* config/s390/s390.c (s390_match_ccmode_set): Support CCL3mode.
	(s390_alc_comparison, s390_slb_comparison): Likewise.
	(s390_branch_condition_mask): Likewise.
	* config/s390/s390.md ("*subdi3_cc2", "*subdi3_cconly2"): New.
	("*subsi3_cc2", "*subsi3_cconly2"): New.

	* config/s390/s390.h (PREDICATE_CODE): Accept SIGN_EXTEND and
	ZERO_EXTEND for s390_alc_comparison and s390_slb_comparison.
	* config/s390/s390.c (s390_alc_comparison, s390_slb_comparison):
	Handle SIGN_EXTEND and ZERO_EXTEND.

	* config/s390/s390-protos.h (s390_expand_addcc): New prototype.
	* config/s390/s390.c (s390_expand_addcc): New function.
	* config/s390/s390.md ("adddicc", "addsicc"): New expanders.
	("*sconddi", "*scondsi", "*sconddi_neg", "*scondsi_neg"): New insns.
	("sltu", "sgtu", "sleu", "sgeu"): New expanders.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@83287 138bc75d-0d04-0410-961f-82ee72b054a4

	(s390_gimplify_va_arg): New function.
	(TARGET_GIMPLIFY_VA_ARG_EXPR): Define.
	(s390_va_arg): Remove.
	* config/s390/s390-protos.h (s390_va_arg): Remove.
	* config/s390/s390.h (EXPAND_BUILTIN_VA_ARG): Call abort ().


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@83090 138bc75d-0d04-0410-961f-82ee72b054a4

	* config/s390/s390.h (CONDITIONAL_REGISTER_USAGE): Move body...
	* config/s390/s390.c (s390_conditional_register_usage): ...here.
	* config/s390/s390-protos.h: Prototype.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@81465 138bc75d-0d04-0410-961f-82ee72b054a4

ChangeLog:

	* config/s390/s390-protos.h (s390_emit_epilogue): Parameter added.
	(s390_emit_call): New function prototype added.
	(s390_tls_get_offset): Function removed.
	* config/s390/s390.c (s390_function_ok_for_sibcall,
	s390_call_saved_register_used_p): New functions.
	(TARGET_FUNCTION_OK_FOR_SIBCALL): Definition of target macro added.
	(s390_tls_get_offset): Function merged into s390_emit_tls_call_insn.
	(s390_emit_tls_call_insn): New function.
	(legitimize_tls_address): Call s390_emit_tls_call_insn instead of
	emit_call_insn.
	(s390_emit_prologue): Use s390_emit_call instead of emit_call_insn.
	(s390_emit_epilogue): Like s390_emit_prologue. Parameter for sibcalls
	added.
	* config/s390/s390.h (SIBCALL_REGNUM): New macro representing the
	register number used to hold the target address for sibcalls.
	* config/s390/s390.md ("sibcall", "sibcall_value", "sibcall_epilogue"):
	New expanders.
	("*sibcall_br", "*sibcall_brc", "*sibcall_brcl", "*sibcall_value_br",
	"*sibcall_value_brc", "*sibcall_value_brcl"): New insns.
	("call_exp", "call_value_exp", "call_value_tls", "call_value_tls_exp"):
	Expanders removed.
	("call", "call_value"): Call s390_emit_call to emit the call patterns.
	("*bras", "*brasl", "*bras_r", "*brasl_r", "*bras_tls", "*brasl_tls",
	"*basr", "*basr_r", "*basr_tls"): Added constraint: !SIBLING_CALL_P.
	("epilogue"): Changed the call to s390_emit_epilogue to use the
	new parameter.

testsuite/ChangeLog:

	* gcc.dg/sibcall-3.c: Delete s390 from expected fail list.
	* gcc.dg/sibcall-4.c: Likewise.
	* gcc.dg/sibcall-6.c: Enable s390 as test platform.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@81347 138bc75d-0d04-0410-961f-82ee72b054a4

	(s390_output_addr_const_extra): Declare.
	(s390_output_pool_entry): Remove FILE * argument.
	* config/s390/s390.c (s390_output_symbolic_const): Remove.
	(s390_output_addr_const_extra): New function.
	(print_operand_address): Call output_addr_const instead of
	s390_output_symbolic_const.
	(print_operand): Likewise.
	(s390_output_pool_entry): Use assemble_integer for symbolic constants.
	Remove FILE * argument.
	* config/s390/s390.h (OUTPUT_ADDR_CONST_EXTRA): Define.
	* config/s390/s390.md ("*pool_entry"): Adapt s390_output_pool_entry
	call.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@77757 138bc75d-0d04-0410-961f-82ee72b054a4

	cfghooks.h, cfglayout.c, cfgloopmanip.c, debug.c, debug.h,
	flow.c, genextract.c, ggc-common.c, ggc-page.c, ggc.h,
	ifcvt.c, jump.c, loop-unswitch.c, timevar.c, timevar.def,
	tree-optimize.c, vmsdbgout.c, config/fp-bit.c,
	config/alpha/alpha.c, config/alpha/alpha.h,
	config/alpha/alpha.md, config/alpha/unicosmk.h,
	config/alpha/vms.h, config/arm/linux-elf.h, config/avr/avr.c,
	config/c4x/c4x-protos.h, config/c4x/c4x.md,
	config/d30v/d30v.h, config/frv/frv.md, config/frv/frvbegin.c,
	config/frv/frvend.c, config/i386/cygming.h,
	config/i386/djgpp.h, config/i386/emmintrin.h,
	config/i386/gthr-win32.c, config/i386/i386-interix.h,
	config/i386/i386-protos.h, config/i386/openbsd.h,
	config/i386/winnt.c, config/i386/xm-mingw32.h,
	config/i386/xmmintrin.h, config/ia64/ia64.md,
	config/iq2000/iq2000.md, config/m32r/m32r.md,
	config/m68k/m68k.md, config/mcore/mcore-elf.h,
	config/mcore/mcore.md, config/mips/elf.h, config/mips/elf64.h,
	config/mips/iris5gas.h, config/mips/iris6.h,
	config/mips/iris6gas.h, config/mips/linux.h,
	config/mips/mips.md, config/mips/netbsd.h,
	config/mips/openbsd.h, config/mips/windiss.h,
	config/pa/fptr.c, config/rs6000/aix.h,
	config/rs6000/altivec.h, config/rs6000/darwin.h,
	config/rs6000/xcoff.h, config/s390/s390-protos.h,
	config/s390/s390.c, config/s390/s390.h, config/s390/s390.md,
	config/sh/netbsd-elf.h, config/sh/sh.h, config/sh/vxworks.h,
	config/sparc/sol2.h: Update copyright.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@77018 138bc75d-0d04-0410-961f-82ee72b054a4

	for TARGET_64BIT.
	(s390_arg_frame_offset): Change return type to HOST_WIDE_INT.
	* config/s390/s390-protos.h (s390_arg_frame_offset): Likewise.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@76360 138bc75d-0d04-0410-961f-82ee72b054a4

	* config/s390/s390.md ("tmdi_reg", "tmsi_reg", "*movdi_64", "*movdi_31",
	"iordi3"): Insns now use multiple letter constraints.
	("*movdi_lhi", "*movdi_lli", "*movdi_lay"): Insns deleted. They are now
	covered by "*movdi_64".
	("*movsi_lhi", "*movsi_lli", "*movsi_lay"): Insns deleted. They are now
	covered by "*movsi_zarch" and "*movsi_esa".
	("*movsi_zarch", "*movsi_!zarch"): New insns.
	("*llgt_sisi_split", "*llgt_didi_split"): Insns deleted. Now covered
	by "*andsi3_zarch" and "anddi3".
	("*anddi3_ni"): Insn merged with "anddi3".
	("*andsi3_ni"): Insn merged with "*andsi3_zarch".
	("*andsi3_zarch", "*andsi3_esa"): New insns.
	("*iordi3_oi"): Insn merged with "iordi3".
	("*iorsi3_oi"): Insn merged with "*iorsi3_zarch".
	("*iorsi3_zarch", "*iorsi3_esa"): New insns.

	* config/s390/s390.c (s390_single_qi, s390_single_hi): Functions
	merged to s390_single_part.
	(s390_single_part): New function.
	NOTE: Semantics have changed a bit. Now the value of the part must
	be different from the others to get a non-negative return value.
	(s390_extract_qi, s390_extract_hi): Functions merged to
	s390_extract_part.
	(s390_extract_part, s390_extra_constraint_str,
	s390_const_ok_for_constraint_p): New functions. The L constraint got a
	new meaning and the N constraint was added as a multiple letter
	constraint.
	(s390_extra_constraint): Function deleted.
	(print_operand): New output modifier 'i' and 'j' added.
	All uses of CONST_OK_FOR_LETTER_P were replaced by
	CONST_OK_FOR_CONSTRAINT_P.

	* config/s390/s390-protos.h: Function prototypes adapted.
	* doc/md.texi: Documentation for new constraint letters added.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@74061 138bc75d-0d04-0410-961f-82ee72b054a4

	* config/s390/s390.c (TARGET_RETURN_IN_MEMORY): Define.
	(s390_return_in_memory): New function.
	(s390_function_value): New function.
	(s390_function_arg_float): Return false for all arguments larger
	than 8 bytes.
	(s390_function_arg_pass_by_reference): Likewise.  Return true for
	all vector arguments.
	(s390_function_arg_integer): New function.
	(s390_function_arg_advance): Call it.  Add sanity checks.
	(s390_function_arg): Likewise.
	* config/s390/s390.h (FUNCTION_VALUE): Call s390_function_value.
	(LIBCALL_VALUE): Likewise.
	(RET_REG): Remove.
	(RETURN_IN_MEMORY): Remove.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@73314 138bc75d-0d04-0410-961f-82ee72b054a4

	* expr.h (std_build_builtin_va_list): Declare.
	* defaults.h (BUILD_VA_LIST_TYPE): New.
	* system.h (BUILD_VA_LIST_TYPE): Poison.
	* target-def.h (TARGET_BUILD_BUILTIN_VA_LIST): New.
	* target.h (struct gcc_target): Add build_builtin_va_list.
	* tree.c (build_common_tree_nodes_2): Use it.

	* config/alpha/alpha-protos.h, config/alpha/alpha.c,
	config/alpha/alpha.h, config/alpha/unicosmk.h,
	config/d30v/d30v-protos.h, config/d30v/d30v.c, config/d30v/d30v.h,
	config/i386/i386-protos.h, config/i386/i386.c, config/i386/i386.h,
	config/i860/i860-protos.h, config/i860/i860.c, config/i860/i860.h,
	config/i960/i960-protos.h, config/i960/i960.c, config/i960/i960.h,
	config/mips/iris6.h, config/mips/mips-protos.h, config/mips/mips.c,
	config/mips/mips.h, config/rs6000/rs6000-protos.h,
	config/rs6000/rs6000.c, config/rs6000/rs6000.h,
	config/s390/s390-protos.h, config/s390/s390.c, config/s390/s390.h,
	config/sh/sh-protos.h, config/sh/sh.c, config/sh/sh.h,
	config/xtensa/xtensa-protos.h, config/xtensa/xtensa.c,
	config/xtensa/xtensa.h: Rename foo_build_va_list to
	foo_build_builtin_va_list; make it static.  Define
	TARGET_BUILD_BUILTIN_VA_LIST.  Remove BUILD_VA_LIST_TYPE.
	Update protos.

	* config/i386/i386.c (ix86_expand_carry_flag_compare): Make static.
	* config/iq2000/iq2000.h (BUILD_VA_LIST_TYPE): Remove.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@73076 138bc75d-0d04-0410-961f-82ee72b054a4

	* config/s390/s390.c (shift_count_operand): New function.
	(s390_extra_constraint): Use it to implement 'Y' constraint.
	(print_shift_count_operand): New function.
	(print_operand): Use it to implement '%Y'.
	* config/s390/s390.h (EXTRA_ADDRESS_CONSTRAINT): Add 'Y' constraint.
	(PREDICATE_CODES): Add shift_count_operand.
	* config/s390/s390.md ("rotldi3"): Merge alternatives,
	using "shift_count_operand" predicate and "Y" constraint,
	and "%Y" to output the combined shift count.
	("rotlsi3"): Likewise.
	("ashldi3", "*ashldi3_31", "*ashldi3_64"): Likewise.
	("ashrdi3", "*ashrdi3_31", "*ashrdi3_64", "*ashrdi3_cc_31",
	"*ashrdi3_cc_64", "*ashrdi3_cconly_31", "*ashrdi3_cconly_64"): Likewise.
	("ashlsi3", "ashrsi3", "*ashrsi3_cc", "*ashrsi3_cconly"): Likewise.
	("lshrdi3", "*lshrdi3_31", "*lshrdi3_64"): Likewise.
	("lshrsi3"): Likewise.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@72661 138bc75d-0d04-0410-961f-82ee72b054a4

	(s390_slb_comparison): Likewise.
	* config/s390/s390.c (s390_alc_comparison, s390_slb_comparison):
	New functions.
	* config/s390/s390.h (PREDICATE_CODES): Add s390_alc_comparison
	and s390_slb_comparison.
	* config/s390/s390.md ("*adddi3_31", "*subdi3_31"): Do not use on
	zSeries machines.
	("*adddi3_31z", "*subdi3_31z"): New insns.
	("*adddi3_alc_cc", "*adddi3_alc", "*subdi3_slb_cc", "*subdi3_slb",
	"*addsi3_alc_cc", "*addsi3_alc", "*subsi3_slb_cc", "*subsi3_slb"):
	New insns.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@72505 138bc75d-0d04-0410-961f-82ee72b054a4

	* config/s390/s390.c (gen_consttable): Remove.
	(s390_dump_pool): Use UNSPECV_POOL_ENTRY for pool entry insns.
	(s390_output_pool_entry): New function.
	* config/s390/s390.md (UNSPECV_POOL_QI, UNSPECV_POOL_HI,
	UNSPECV_POOL_SI, UNSPECV_POOL_DI, UNSPECV_POOL_TI,
	UNSPECV_POOL_SF, UNSPECV_POOL_DF): Remove, replace by ...
	(UNSPECV_POOL_ENTRY): ... this new constant.
	("consttable_qi", "consttable_hi", "consttable_si", "consttable_di",
	"consttable_ti", "consttable_sf", "consttable_df"): Remove ...
	("*pool_entry"): ... and replace by this new insn.
	("literal_pool_31"): Do not emit anchor label if pool empty.

	* config/s390/s390.c (struct machine_function): Add save_return_addr_p.
	(s390_optimize_prolog): Save RETURN_REGNUM if save_return_addr_p.
	(s390_fixup_clobbered_return_reg): Remove.
	(s390_reorg): Don't call s390_fixup_clobbered_return_reg.
	(s390_return_addr_rtx): Always retrieve return address from save area
	slot.  Use save_return_ad...

        * config/i386/cygwin.h: Convert K&R prototypes to ISO C90.
        * config/i386/i386-interix.h: Likewise.
        * config/i386/winnt.c: Likewise.
        * config/i386/cygming.h: Likewise.
        * config/i386/cygwin2.c: Likewise.
        * config/darwin.c: Likewise.
        * config/darwin-c.c: Likewise.
        * config/darwin-protos.h: Likewise.
        * config/darwin.h: Likewise.
        * config/s390/s390-protos.h: Likewise.
        * config/s390/s390.c: Likewise.
        * config/ia64/ia64.c: Likewse
        * config/ia64/ia64-protos.h: Likewise.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@70515 138bc75d-0d04-0410-961f-82ee72b054a4

	relative to the GOT instead of relative to the literal pool base.
	(s390_output_symbolic_const): Handle new GOT-relative accesses.
	* config/s390/s390.md ("call"): Access local functions and PLT stubs
	relative to the GOT instead of relative to the literal pool base.
	("call_value"): Likewise.
	("call_value_tls"): Likewise.

	* config/s390/s390.c (s390_chunkify_start): Remove pool anchor
	reloading.  Support LTREL_BASE / LTREL_OFFSET construct.
	(s390_chunkify_finish): Likewise.
	(s390_chunkify_cancel): Likewise.
	(s390_reorg): Adapt caller.
	(find_base_register_in_addr,
	find_base_register_ref, replace_base_register_ref): Delete.
	(find_ltrel_base, replace_ltrel_base): New functions.
	(find_constant_pool_ref): Handle LTREL_BASE unspecs.
	(s390_decompose_address): Handle LTREL_BASE unspecs.  Optimize
	base vs. index register usage.
	(struct constant_pool): Remove 'anchor'.
	(s390_add_anchor): Delete.
	(s390_dump_pool): Remove anchor handling.
	* config/s390/s390.md ("reload_anchor"): Remove.

	* config/s390/s390.c (s390_split_branches): Use LTREL_BASE/OFFSET.
	(s390_load_got): New function.  Use LTREL_BASE/OFFSET.
	(s390_emit_prologue): Use it.
	* config/s390/s390.md ("builtin_longjmp", "builtin_setjmp_setup",
	"builtin_setjmp_receiver"): Cleanup.  Use s390_load_got.  Do not
	hard-code register 14.
	* config/s390/s390-protos.h (s390_load_got): Declare.

	* config/s390/s390.c (NR_C_MODES, constant_modes, gen_consttable):
	Support TImode constants.
	* config/s390/s390.md ("consttable_ti"): New.
	("consttable_si", "consttable_di"): Handle TLS symbols correctly.

	* config/s390/s390.md (UNSPEC_LTREL_OFFSET, UNSPEC_LTREL_BASE,
	UNSPEC_GOTENT, UNSPEC_GOT, UNSPEC_GOTOFF, UNSPEC_PLT, UNSPEC_PLTOFF,
	UNSPEC_RELOAD_BASE, UNSPECV_POOL, UNSPECV_POOL_START, UNSPECV_POOL_END,
	UNSPECV_POOL_QI, UNSPECV_POOL_HI, UNSPECV_POOL_SI, UNSPECV_POOL_DI,
	UNSPECV_POOL_TI, UNSPECV_POOL_SF, UNSPECV_POOL_DF, UNSPECV_MAIN_POOL):
	New symbolic constants.
	("consttable_qi", "consttable_hi", "consttable_si", "consttable_di",
	"consttable_sf", "consttable_df", "pool_start_31", "pool_end_31",
	"pool_start_64", "pool_end_64", "reload_base_31", "reload_base_64",
	"pool", "literal_pool_31", "literal_pool_64"): Cleanup.  Use
	symbolic UNSPEC values.
	* config/s390/s390.c (larl_operand, s390_short_displacement,
	bras_sym_operand, s390_cannot_force_const_mem,
	s390_delegitimize_address, s390_decompose_address,
	legitimize_pic_address, s390_output_symbolic_const,
	s390_function_profiler): Use symbolic UNSPEC values.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@69592 138bc75d-0d04-0410-961f-82ee72b054a4

	then fall back to cmpstrM.
	* builtins.c (expand_builtin_memcmp): Likewise.
	* config/s390/s390-protos.h (s390_expand_cmpstr): Rename to...
	(s390_expand_cmpmem): ... this.
	* config/s390/s390.md (cmpmemdi, cmpmemsi, cmpmem_short_64,
	cmpmem_short_31, cmpmem_long_64, cmpmem_long_31): Renamed
	from cmpstr* patterns.  Rename call to s390_expand_cmpstr
	to s390_expand_cmpmem.
	* config/s390/s390.c (s390_expand_cmpstr): Rename to...
	(s390_expand_cmpstr): ... this.  Rename cmpstr* instructions
	to cmpmem*.
	* config/i370/i370.md (cmpmemsi, cmpmemsi_1): Renamed from
	cmpstr* patterns.
	* doc/md.texi (cmpstrM): Describe as String compare insn, not
	Block compare insn.
	(cmpmemM): Add.

	* gcc.dg/20030711-1.c: New test.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@69243 138bc75d-0d04-0410-961f-82ee72b054a4

	* config/s390/2084.md: Likewise.
	* config/s390/fixdfdi.h: Likewise.
	* config/s390/linux.h: Likewise.
	* config/s390/s390-modes.def: Likewise.
	* config/s390/s390-protos.h: Likewise.
	* config/s390/s390.c: Likewise.
	* config/s390/s390.h: Likewise.
	* config/s390/s390.md: Likewise.
	* config/s390/s390x.h: Likewise.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@68941 138bc75d-0d04-0410-961f-82ee72b054a4