save and restore FP regs.

From-SVN: r5211

        * pa.h (STACK_BOUNDARY): Stack pointer is always 512 bit (64 byte)
        aligned.

From-SVN: r5210

From-SVN: r5209

From-SVN: r5208

	* pa.c (output_call): Use ASM_OUTPUT_INTERNAL_LABEL instead
	of output_asm_label.

From-SVN: r5207

From-SVN: r5206

(__objc_update_dispatch_table_for_class):
        Don't free dtable... (memory leak to make posing work)
(__objc_update_dispatch_table_for_class):
        Free old dispatch table and install a new.

From-SVN: r5205

(arglist_t): Data-definition changed.

From-SVN: r5204

From-SVN: r5203

#include sarray.h
(class_pose_as): Rewritten

From-SVN: r5202

From-SVN: r5201

(OBJC_O): Added encoding.o;
(OBJC_H): Added encoding.h, removed mutex.h.

From-SVN: r5200

(offset_is_register): New variable
        (forwarding_offset): Use apply_args_register_offset to get
        register offset.
        (encode_method_def, encode_method_prototype): Prepend argument
        offset by '+' if passed in register.
        (apply_args_register_offset): Added declaration.
(generate_method_descriptors, generate_ivar_lists,
        generate_dispatch_tables): Reorganized use of constructors.
        (build_descriptor_table_initializer, build_ivar_list_initializer,
        build_dispatch_table_initializer): Removed argument `int *size'.

From-SVN: r5199

(apply_args_register_offset): New function
(apply_args_register_offset): New function
(apply_args_reg_offset): New variable
(apply_args_size): Added initialization of apply_args_reg_offset.

From-SVN: r5198

	* pa.h (TARGET_TRAILING_COLON): Delete switch.
	TARGET_GAS now controls the use of trailing colons.

From-SVN: r5197

From-SVN: r5196

(VERSADOS): This the name of the DPX2 assembler. Define this in case.
(USG): Define this.
(SGS_NO_LI): define this to suppress jump table usage.
(TARGET_DEFAULT): Define this to 3 inside the conditional USE_GAS since
bitfields do not work a clean way on DPX2.
(EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, SELECT_SECTION, SELECT_RTX_SECTION):
#undef these.
(READONLY_DATA_SECTION): Define to data_section.
(*_ASM_OP, ASM_OUTPUT_*): Define these accordingly to the native assembler
syntax.
(LONG_DOUBLE_TYPE_SIZE): Set to 64 to not use XFmode.
(REAL_ARITHMETIC): Define this to use the software floating point emulator.
(JUMP_TABLES_IN_TEXT_SECTION): Define this to 1.
(FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Override m68k.h default.
(ASM_OUTPUT_ASCII): add a new variable to take care of the lentgh of the
operand field which must be < 80 chars.
(PRINT_OPERAND_ADDRESS): Override m68k.h default.
(PUT_SDB_TYPE): Output type in decimal.
(PUT_SDB_FUNCTION_[START|END]): Override sdbout.c default.
(PUT_SDB_BLOCK_[START|END]): Override sdbout.c default.

From-SVN: r5195

(fold, case EQ_EXPR): If SAVE_P is true after call to twoval_comparison_p
call save_expr on the expression we make.

From-SVN: r5194

From-SVN: r5193

From-SVN: r5192

From-SVN: r5191

From-SVN: r5190

(simplify_shift_const, XOR case): When applying
distributive law, use shift_mode and GET_MODE (varop) instead of
result_mode.

From-SVN: r5189

From-SVN: r5188

(subst): Instead, do it here, but also allow it in as a nested SUBREG since
the inner one will be eliminated.
(simplify_and_const_int): Convert (and (neg X) (const_int 1)) to a shift
when X is known to be either 0 or 1.

From-SVN: r5187

BIT_AND_EXPR with constant 1.

From-SVN: r5186

(SELECT_SECTION): Put object in sdata only if size is
known, i.e. greater than 0.

From-SVN: r5185

(try_combine): Don't split a PARALLEL of a SIGN_EXTEND and the object
being sign extended if we have made assumptions about the form the
I2DEST.

From-SVN: r5184

are asked for something in a mode wider than it.

From-SVN: r5183

        * pa.md (movdf insn): Distinguish between offsettable and
        nonoffsettable memory locations when loading/storing a GR.
        (movdi insn): Likewise.  Loading a DImode constant can take
        as many os 4 insns.

From-SVN: r5182

        * pa.md (zero_extendqihi2): No need to explicitly set a length,
        the defaults are correct.
        (zero_extendqisi2, floatsisf2, floatsidf2): Likewise.
        (floatdisf2, floatdidf2, fix_truncsfsi2): Likewise.
        (fix_truncdfsi2, fix_truncsfdi2, fix_truncdfdi2): Likewise.

From-SVN: r5181

	* pa.c (emit_move_sequence): Check both reload_in_progress and
	reload_completed when choosing a scratch/temporary register.

From-SVN: r5180

        * pa.md (high for symbolic operands): TARGET_KERNEL version is
        now default.  Delete ! TARGET_KERNEL version.

From-SVN: r5179

        * pa.c (emit_move_sequence): Always handle secondary reloads for
        symbolic addresses.
        (secondary_reload_class): Symbolic operands always need a secondary
        reload from R1_REGS if their target class is not R1_REGS.

From-SVN: r5178

From-SVN: r5177

        * pa-hpux.h (DEFAULT_GDB_EXTENSIONS): Turn GDB extensions off.
        * pa-hpux7.h (DEFAULT_GDB_EXTENSIONS): Likewise.

From-SVN: r5176

From-SVN: r5175

        * pa-ghpux.h (TARGET_DEFAULT): Enable TARGET_GAS.
        * pa-gux7.h, pa-utahmach.h, pa.h (TARGET_DEFAULT): Likewise.
        * pa1-ghpux.h, pa1-utahmach.h, pa1.h (TARGET_DEFAULT): Likewise.

From-SVN: r5174

        * pa.h (TARGET_GAS): New target flag to control use of GAS specific
        assembler directives.
        (TARGET_SWITCHES): Support -mgas and -mno-gas.
        (ASM_DECLARE_FUNCTION_NAME): If TARGET_GAS, then emit .PARAM directives
        for static functions so that argument relocations work.

From-SVN: r5173

pa.c (hppa_legitimize_address): Rework address computation for x[n - m] so that problems with implicit space...

        * pa.c (hppa_legitimize_address): Rework address computation
        for x[n - m] so that problems with implicit space register
        selection are avoided.

From-SVN: r5172