* obstack.h (obstack_empty_p): Fix spurious space after backslash.

From-SVN: r16144

mn10300.md (movqi, movhi): Avoid using address registers as destinations unless absolutely necessary.

        * mn10300.md (movqi, movhi): Avoid using address registers as
        destinations unless absolutely necessary.

From-SVN: r16141

        * rs6000.c: Avoid creating a stack frame under SYSV ABI if we
        only need to save LR.

From-SVN: r16140

From-SVN: r16139

        * mn10200.h (GO_IF_LEGITIMATE_ADDRESS): Do not allow indexed
        addresses.
        * mn10200.md (neghi2): Provide an alternative which works if
        the input and output register are the same.

[[Split portion of a mixed commit.]]

From-SVN: r16137.2

        * mn10200.h (GO_IF_LEGITIMATE_ADDRESS): Do not allow indexed
        addresses.
        * mn10200.md (neghi2): Provide an alternative which works if
        the input and output register are the same.

From-SVN: r16136

        * mn10300.c (print_operand): Handle 'S'.
        * mn10300.md (ashlsi3, lshrsi3, ashrsi3): Use %S for
        shift amount in last alternative

From-SVN: r16134

mn10300.c (expand_epilogue): Rework to handle register restores in "ret" and "retf" instructions correctly.

        * mn10300.c (expand_epilogue): Rework to handle register restores
        in "ret" and "retf" instructions correctly.

From-SVN: r16132

Patches to fix minor optimizer bugs
	* expmed.c (extract_bit_field): Don't make flag_force_mem disable
	extzv for memory operands.
	* cse.c (simplify_ternary_operation, case IF_THEN_ELSE): Collapse
	redundant conditional moves to single operand.

From-SVN: r16129

From-SVN: r16127

        * v850.h: Move define of __v850__ from CPP_PREDEFINES
        to CPP_SPEC.

        * xm-v850.h: Use __v850 rather than __v850__ to
        identify v850 port.

From-SVN: r16126

From-SVN: r16125

From-SVN: r16124

	* mips/mips.c (compute_frame_size): Not a leaf function if
	profile_flag set.

From-SVN: r16110

From-SVN: r16109

	* sparc/sparc.h (SPARC_V9,SPARC_ARCH64): Delete.
	(DEFAULT_ARCH32_P): New macro.
	(TARGET_ARCH{32,64}): Allow compile time or runtime selection.
	(enum cmodel): Declare.
	(sparc_cmodel_string,sparc_cmodel): Declare.
	(SPARC_DEFAULT_CMODEL): Provide default.
	(TARGET_{MEDLOW,MEDANY}): Renamed to TARGET_CM_{MEDLOW,MEDANY}.
	(TARGET_FULLANY): Deleted.
	(TARGET_CM_MEDMID): New macro.
	(CPP_CPU_DEFAULT_SPEC): Renamed from CPP_DEFAULT_SPEC.
	(ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC.
	(CPP_PREDEFINES): Take out stuff now handled by %(cpp_arch).
	(CPP_SPEC): Rewrite.
	(CPP_ARCH{,32,64,_DEFAULT}_SPEC): New macros.
	(CPP_{ENDIAN,SUBTARGET}_SPEC): New macros.
	(ASM_ARCH{,32,64,_DEFAULT}_SPEC): New macros.
	(ASM_SPEC): Add %(asm_arch).
	(EXTRA_SPECS): Rename cpp_default to cpp_cpu_default.
	Rename asm_default to asm_cpu_default.
	Add cpp_arch32, cpp_arch64, cpp_arch_default, cpp_arch, cpp_endian,
	cpp_subtarget, asm_arch32, asm_arch64, asm_arch_default, asm_arch.
	(NO_BUILTIN_{PTRDIFF,SIZE}_TYPE): Define ifdef SPARC_BI_ARCH.
	({PTRDIFF,SIZE}_TYPE): Provide 32 and 64 bit values.
	(MASK_INT64,MASK_LONG64): Delete.
	(MASK_ARCH64): Renamed to MASK_64BIT.
	(MASK_{MEDLOW,MEDANY,FULLANY,CODE_MODEL}): Delete.
	(EMBMEDANY_BASE_REG): Renamed from MEDANY_BASE_REG.
	(TARGET_SWITCHES): Always provide 64 bit options.
	(ARCH64_SWITCHES): Delete.
	(TARGET_OPTIONS): New option -mcmodel=.
	(INT_TYPE_SIZE): Always 32.
	(MAX_LONG_TYPE_SIZE): Define ifdef SPARC_BI_ARCH.
	(INIT_EXPANDERS): sparc64_init_expanders renamed to sparc_init_....
	(FUNCTION_{,BLOCK_}PROFILER): Delete TARGET_EMBMEDANY support.
	(PRINT_OPERAND_PUNCT_VALID_P): Add '_'.
	* sparc/linux-aout.h (CPP_PREDEFINES): Take out stuff handled by
	CPP_SPEC.
	(CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
	* sparc/linux.h: Likewise.
	* sparc/linux64.h (SPARC_V9,SPARC_ARCH64): Delete.
	(ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC.
	(TARGET_DEFAULT): Delete MASK_LONG64, MASK_MEDANY, add MASK_64BIT.
	(SPARC_DEFAULT_CMODEL): Define.
	(CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
	(CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
	(LONG_DOUBLE_TYPE_SIZE): Define.
	(ASM_SPEC): Add %(asm_arch).
	* sparc/sol2.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
	(CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
	(TARGET_CPU_DEFAULT): Add ultrasparc case.
	* sparc/sp64-aout.h (SPARC_V9,SPARC_ARCH64): Delete.
	(TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT.
	(SPARC_DEFAULT_CMODEL): Define.
	* sparc/sp64-elf.h (SPARC_V9,SPARC_ARCH64): Delete.
	(TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT.  Delete
	MASK_LONG64, MASK_MEDANY.
	(SPARC_DEFAULT_CMODEL): Define.
	(CPP_PREDEFINES): Delete.
	(CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
	(ASM_SPEC): Add %(asm_arch).
	(LONG_DOUBLE_TYPE_SIZE): Define.
	(DWARF2_DEBUGGING_INFO): Define.
	* sparc/splet.h (CPP_SPEC): Delete.
	* sparc/sysv4.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
	(FUNCTION_BLOCK_PROFILER): Delete TARGET_EMBMEDANY support.
	(BLOCK_PROFILER): Likewise.
	* sparc/sparc.c (sparc_cmodel_string,sparc_cmodel): New globals.
	(sparc_override_options): Handle code model selection.
	(sparc_init_expanders): Renamed from sparc64_init_expanders.
	* sparc/sparc.md: TARGET_<code_model> renamed to TARGET_CM_....
	TARGET_MEDANY renamed to TARGET_CM_EMBMEDANY.
	(sethi_di_embmedany_{data,text}): Renamed from sethi_di_medany_....
	(sethi_di_fullany): Delete.

From-SVN: r16108

        * rs6000/t-ppccomm: Use -msdata=none for crtstuff.
Should fix ctor/dtor problems on ppc-linux.

From-SVN: r16107

	* except.c (expand_exception_blocks): Call do_pending_stack_adust.
	(expand_end_catch_block): Likewise.
	(expand_end_eh_spec): Likewise.

From-SVN: r16106

Mon Oct 20 11:44:20 1997  Mark Mitchell  <mmitchell@usa.net>

	* decl.c (duplicate_decls): Handle template specializations
	correctly.
	* error.c (dump_function_name): Fix printing of specializations of
	member functions that are not member templates.
	* cp-tree.h (processing_specialization): Make global.
	* pt.c (processing_specialization): Likewise.
	* lex.c (cons_up_default_function): Save and restore
	processing_specialization to avoid confusion.

From-SVN: r16101

	* decl.c (init_decl_processing): Give null_node unknown* type.
	* typeck.c (comp_target_types): Handle UNKNOWN_TYPE.
	(common_type): Likewise.
	* error.c (args_as_string): Recognize null_node.

From-SVN: r16100

        * alpha/vms.h (DIVSI3_LIBCALL): OTS$ functions are upper case.
        (DIVDI3_LIBCALL, UDIVSI3_LIBCALL, UDIVDI3_LIBVALL): Likewise.
        (MODSI3_LIBCALL, MODDI3_LIBCALL): Likewise.
        (UMODSI3_LIBCALL, UMODDI3_LIBCALL): Likewise.
        * alpha/alpha.md (arg_home): Likewise.

Co-Authored-By: Jeffrey A Law <law@cygnus.com>
Co-Authored-By: Richard Kenner <kenner@vlsi1.ultra.nyu.edu>

From-SVN: r16099

        * alpha.c (output_prolog, VMS): Use alloca for entry_label and don't
        truncate to 64 characters.

vmskrunch changes need this.

Co-Authored-By: Jeffrey A Law <law@cygnus.com>
Co-Authored-By: Richard Kenner <kenner@vlsi1.ultra.nyu.edu>

From-SVN: r16098

        * alpha/alpha.c (vmskrunch): Delete
        * alpha/vms.h (ENCODE_SECTION_INFO, ASM_DECLARE_FUNCTION_NAME): Delete.

        * make-l2.com: Support openVMS/Alpha.

        * vmsconfig.com: Fix to work on openVMS/Alpha and openVMS/VAX.

Some patches from Klaus.

From-SVN: r16097

From-SVN: r16096

From-SVN: r16095

From-SVN: r16080

From-SVN: r16070

	* tree.c (restore_tree_status): Also free up temporary storage
	when we finish a toplevel function.
	(dump_tree_statistics): Print stats for backend obstacks.

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

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

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

From-SVN: r16050

From-SVN: r16046

From-SVN: r15993

        * v850.c (ep_memory_offset): New function.
        (ep_memory_operand, substitute_ep_register, v850_reorg): Call it.

        * v850.h (CONST_OK_FOR_*): Add and correct comments.
        (CONSTANT_ADDRESS_P): Add comment.
        (EXTRA_CONSTRAINT): Define 'U'.
        * v850.md: Add comments on bit field instructions.
        (addsi3): Delete &r/r/r alternative.  Add r/r/U alternative.
        (lshrsi3): Use N not J constraint.

        * v850.md (v850_tst1+1): New define_split for tst1 instruction.

        * v850.c (reg_or_0_operand): Call register_operand.
        (reg_or_int5_operand): Likewise.
        * v850.h (MASK_BIG_SWITCH, TARGET_BIG_SWITCH): New macros.
        (TARGET_SWITCHES): Add "big-switch".
        (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT, CASE_VECTOR_MODE,
        ASM_OUTPUT_BEFORE_BASE_LABEL): Add support for TARGET_BIG_SWITCH.
        (CASE_DROPS_THROUGH): Comment out.
        (CASE_VECTOR_PC_RELATIVE, JUMP_TABLES_IN_TEXT_SECTION): Define.
        * v850.md (cmpsi): Delete compare mode.
        (casesi): New pattern.

        * v850.h (CONST_OK_FOR_N): Delete redundant compare against zero.
        * v850.md (ashlsi3): Use SImode not QImode for shift count.
        (lshrsi3): Likewise.

        * v850.c (print_operand): Add 'c', 'C', and 'z' support.  Delete
        unreachable switch statement after 'b' support.  Remove "b" from
        strings for 'b' support.
        * v850.md (branch_normal, branch_invert): Change %b to b%b.

v850 patches from Jim.

From-SVN: r15992

        * Makefile.in (LIBGCC2_CFLAGS): Avoid a backslash then an
        empty line if @inhibit_libc@ is empty.

From-SVN: r15991

        * i386/sco5.h: Let ELF use dwarf2 unwinding.  COFF uses sjlj.
        (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Defined.
        (EH_FRAME_SECTION_ASM_OP_COFF): Likewise.
        (DWARF2_UNWIND_INFO): Let this track object file format.
        (EXTRA_SECTIONS): Add in_eh.
        (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Define.
        (EH_FRAME_SECTION_ASM_OP_COFF): Likewise.

From-SVN: r15990

From-SVN: r15989

From-SVN: r15987

From-SVN: r15986

	fmovd so it works if a quad float ends up in one of the upper 32
	float regs.

From-SVN: r15985

* sparc.c (output_fp_move_quad): If TARGET_V9 and not TARGET_HARD_QUAD, use
fmovd so it works if a quad float ends up in one of the upper 32
float regs.

From-SVN: r15984

	* sparc/sparc.md (pic_{lo_sum,sethi}_di): New patterns
	necessary for PIC support on sparc64.

From-SVN: r15982

From-SVN: r15979