* configure: Ditto.	* rs6000/xm-sysv4.h: New file, to support building GCC for a	System V.4 PowerPC system.	* rs6000/sysv4.h: Ditto.	* rs6000/x-sysv4: Ditto.	* rs6000/eabi.h: New file, to support building GCC for an embedded	PowerPC system.	* rs6000/rs6000.h (TARGET_SWITCHES): Add -mmultiple, -mno-multiple	to control emitting load/store multiple instructions.  On the	power, this is on by default, and on the powerpc it is off.	(SUBTARGET_SWITCHES): New macro, which defaults to nothing to	allow a subtarget to add new switches.	(SAVE_FP_*, RESTORE_FP_*): New macros that give the prefix and	suffix to use for the functions that save and restore the floating	point registers.	* rs6000/rs6000.c (output_prolog): Use TARGET_MULTIPLE instead of	TARGET_POWER to control whether to emitt load/store multiple	instructions.  Use the SAVE_FP_*/RESTORE_FP_* macros instead of	using the hardwired AIX names for the functions to save and	restore the floating point registers.	(output_epilog): Likewise.	(print_operand_address): Do not prepend a '.' for %z when using	the ELF object file format.	(svr4_traceback): New function to emit the word before the	procedure prologue that System V.4 expects to do tracebacks.	(output_prolog): Call svr4_traceback under ELF systems.	(output_epilog): Omit AIX style traceback tables for ELF systems.	(output_function_profiler): Abort for now in the ELF case.	* rs6000/rs6000.md (load_multiple, store_multiple): Test against	TARGET_MULTIPLE instead of TARGET_POWER.Tue Jan 31 19:27:43 1995  Torbjorn Granlund  <tege@cygnus.com>	* pa.h (REAL_ARITHMETIC): Define.	(ASM_OUTPUT_DOUBLE): Rewrite.	(ASM_OUTPUT_FLOAT): Rewrite.	* pa.md (SF and DF move): Use constraint 'E' instead of 'F'.	* pa.c (singlemove_string): Make case with SFmode CONST_DOUBLE abort.	(print_operand): #ifdef out CONST_DOUBLE cases.Tue Jan 31 19:27:43 1995  Jim Wilson  <wilson@chestnut.cygnus.com>	* pa/pa.h (TARGET_SOFT_FLOAT): New macro.	(TARGET_SWITCHES, CPP_SPEC, CONDITIONAL_REGISTER_USAGE, FUNCTION_VALUE,	LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P, FUNCTION_ARG_REGNO_P,	FUNCTION_ARG, ASM_DECLARE_FUNCTION_NAME, GO_IF_LEGITIMATE_ADDRESS,	RTX_COSTS): Use TARGET_SOFT_FLOAT.	* pa/pa.md (*sf*, *df*, etc): Make all floating point patterns depend	on ! TARGET_SOFT_FLOAT.	(movsi, movdi, movsf, movdf): Add patterns for TARGET_SOFT_FLOAT.Tue Jan 31 15:53:04 1995  Jason Merrill  <jason@phydeaux.cygnus.com>        * toplev.c (lang_options): Add -f{no-,}check-new.Tue Jan 31 13:55:37 1995  Doug Evans  <dje@cygnus.com>	* mips/mips.h (ASM_DECLARE_FUNCTION_NAME): Ensure section is .text if	no section attribute.	* mips/elf64.h (ASM_OUTPUT_SECTION_NAME): Use asm_out_text_file for	functions.Tue Jan 31 13:26:42 1995  Ian Lance Taylor  <ian@cygnus.com>	* libgcc2.c: Include <limits.h>, not "glimits.h".Mon Jan 30 16:34:24 1995  Jason Merrill  <jason@phydeaux.cygnus.com>        * c-common.c (type_for_size): Try to match on int before other        types (which might be the same size).        (type_for_mode): Ditto.Sat Jan 28 16:28:15 1995  Roland McGrath  <roland@churchy.gnu.ai.mit.edu>	* config/sparc/sysv4.h (ASM_OUTPUT_SECTION_NAME): #undef before 	defining.Sat Jan 28 13:54:23 1995  Jeffrey A. Law  (law@snake.cs.utah.edu)	* pa.md (call, call_value): Always save the PIC register before	a call.Sat Jan 28 07:31:26 1995  Richard Kenner  (kenner@vlsi1.ultra.nyu.edu)	* c-typeck.c (c_expand_return): Refine check for returning pointer	to local variable to allow subtracting a pointer from it.	* calls.c (expand_call): When emitting queue for each arg,	call protect_from_queue; put in initial_value so EXPR_LIST in	is_const case won't have QUEUED.Sat Jan 28 04:36:46 1995  Jeffrey A. Law  (law@snake.cs.utah.edu)	* pa.md (call_internal_reg): Use an even faster sequence for	TARGET_FAST_INDIRECT_CALLS.	(call_value_internal_reg): Likewise.Fri Jan 27 21:28:51 1995  Ronald F. Guilmette  (rfg@segfault.us.com)	* config.sub (unixware, svr4): Treat as synonyms for sysv4.Fri Jan 27 19:36:13 1995  Roland McGrath  <roland@churchy.gnu.ai.mit.edu>	* config/i386/gnuelf.h: New file.Fri Jan 27 16:55:05 1995  Richard Kenner  (kenner@vlsi1.ultra.nyu.edu)	* libgcc1.c (perform_lshlsi3, __lshlsi3): Deleted.	* libgcc2.c (__lshldi3): Deleted.	* Makefile.in (LIB1FUNCS): Delete _lshlsi3.	(LIB2FUNCS): Delete _lshldi3.	* expr.c (expand_expr, case MINUS_EXPR): Remove bogus operand swap.	* optabs.c (expand_binop): Add missing test for VOIDmode	before calling convert_to_mode.	* final.c (high_{block,function}_linenum): New variables.	(final_start_function): Initialize them.	(final_end_function): Pass highest line number to function end	debugging routines.	(final_scan_insn): Pass highest line number in block to block end	debugging function.	(output_source_line): Update highest line in block and function.Thu Jan 26 03:46:35 1995  Roland McGrath  <roland@churchy.gnu.ai.mit.edu>	* configure (i[345]86-*linux*): Set $extra_parts if $elf.	(*-*-gnu*): Likewise.Wed Jan 25 18:11:19 1995  Jim Wilson  <wilson@cygnus.com>	* sh.c (prepare_scc_operands): Force sh_compare_op1 to a register if	it is an invalid constant.	(output_branch): Add cases for 4, 8, and 18.  Correct branch offsets	in comments.	(find_barrier): Correct test for move instructions that need to be	fixed by verifying that the set source is a bad constant.	(arith_reg_or_0_operand): New function.	* sh.h (CONST_OK_FOR_LETTER_P): Add case for 'N'.  Correct comment.	(ADJUST_INSN_LENGTH, SHORTEN_WITH_AJUST_INSN_LENGTH): New macros.	* sh.md (define_attr type): Combine pcloadsi and pcloadhi into pcload.	(*): Likewise for all patterns that use them.	(define_attr length): Delete cases for pcloadsi and pcloadhi.	Modify branch offsets and lengths to be correct.  Correct comment.	(*): Correct length attributes for all patterns.	(in_delay_slot): Delete maybe value.  Change default case from yes to	no.  Delete case for lengths of 4, 6, 8, 10, and 12.	(cmpeq_0, cmpeq_0-1, cmpeq_0-2): Delete patterns.	(cmpeqsi_t): Delete case with constant as first operand.	(cmpgtsi_t, cmpgesi_t): Use arith_reg_or_0_operand not arith_operand.	Put register cases first.	(cmpgeusi_t, cmpgtusi_t): Delete cases for comparing against zero.	(jump): Call output_far_jump if insn length >= 14 instead of == 14.	(casesi): Use arith_reg_operand not arith_operand for operand 2.	* fixincludes (strings.h): Fix return type of strlen.	* expr.c (expand_expr, case MIN_EXPR): If must emit multiple	instructions, then don't allow a MEM target.Wed Jan 25 17:07:47 1995  Pat Rankin  (rankin@eql.caltech.edu)	* cccp.c (do_include): For VMS, don't attempt to	treat `#include X' as `#include <X.h>' unless `X' has already been	macro expanded.	(main): For VMS, do a better job of picking out the base name from	argv[0]'s absolute name.	* vax/xm-vms.h (FAILURE_EXIT_CODE): Define.Wed Jan 25 14:50:45 1995  David S. Miller  (davem@nadzieja.rutgers.edu)	* genattrtab.c (check_attr_value): Change error message text.	(simplify_test_exp): Likewise.	* stmt.c (expand_asm, expand_asm_operands): Likewise.	* mips.c (print_operand, print_operand_address): Likewise.	* dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.	(limit_reload_class, double_reg_to_memory): Likewise.	(print_operand_address, emit_1600_core_shift): Likewise.	(gen_tst_reg, gen_compare_reg): Likewise.	* dsp16xx.md (compare): Likewise.	* unroll.c (find_splittable_givs): Likewise.Wed Jan 25 13:21:10 1995  Matthias Pfaller (leo@marco.de)	* configure (ns32k-pc532-netbsd): Use netbsd32k.h instead of netbsd.h.	* ns32k/netbsd32k.h: Renamed from netbsd.h.	Don't include ansi.h.	Include config/netbsd.h and delete definitions included from it.	* ns32k/xm-netbsd.h (HAVE_ATEXIT): Deleted.Wed Jan 25 12:53:40 1995  Philippe De Muyter (phdm@info.ucl.ac.be)	* m68k/mot3300.h (DEFAULT_PCC_STRUCT_RETURN): Define as zero.	(RETURN_IN_MEMORY): Small aggregates are to be returned in d0.Wed Jan 25 12:48:43 1995  Paul Eggert  <eggert@twinsun.com>	* cccp.c (handle_directive): Fix typo: '\' caused next char to	be copied blindly, which was an error if !traditional and if	the next char was newline or one of <\'"/.Wed Jan 25 08:15:49 1995  Richard Kenner  (kenner@vlsi1.ultra.nyu.edu)	* jump.c: Include expr.h after insn-config.h and insn-flags.h.Tue Jan 24 23:19:28 1995  Doug Evans  <dje@cygnus.com>	Improved conditional move support from Richard Earnshaw.	* optabs.c (movcc_gen_code): New variable.	(init_optabs): Initialize it.	(emit_conditional_move): New function.	(can_conditionally_move_p): New function.	* combine.c (simplify_set): Call it.	* expr.h: (emit_conditional_move): Declare it.	(can_conditionally_move_p): Likewise.	(movcc_gen_code): Likewise.	* genopinit.c (optabs): Add entry for movcc_gen_code.	* genconfig.c (main): Delete #ifndef around HAVE_conditional_move.	* jump.c (jump_optimize): Try to emit a conditional move insn before	trying a store-flag insn.	* alpha.md (movsicc): New named pattern.	(movdicc, movsfcc, movdfcc): Likewise.	(SImode conditional move): New matcher.	* sparc.h (HAVE_conditional_move): Delete.	* configure: Recognize and ignore --x-* options.Mon Jan 23 23:23:33 1995  Roland McGrath  <roland@churchy.gnu.ai.mit.edu>	* config/svr4.h (ASM_OUTPUT_SECTION_NAME): Renamed from 	ASM_OUTPUT_SECTION.  The old name was a typo.	(ASM_OUTPUT_SECTION_NAME): Take proper number of args.Mon Jan 23 18:51:38 1995  Jason Merrill  <jason@phydeaux.cygnus.com>        * collect2.c (main): Check LD_INIT_SWITCH and LD_FINI_SWITCH        separately.        (scan_prog_file): Don't add shared library initializers or        finalizers to list if LD_INIT_SWITCH or LD_FINI_SWITCH are        defined, respectively.Mon Jan 23 18:45:13 1995  Ian Lance Taylor  <ian@cygnus.com>	* config/mips/mips.c (override_options): Permit any small integral	mode in the HI/LO registers.Mon Jan 23 15:41:10 1995  Steve Chamberlain  <sac@cygnus.com>	* h8300.md (table_jump_h8300, table_jump_h8300h): Constrain	operand to use register.Sat Jan 21 00:01:08 1995  Roland McGrath  <roland@churchy.gnu.ai.mit.edu>	* configure (*-*-gnuelf*): Set elf=yes.	(*-*-gnu*): Use ${cpu_type}/gnuelf.h under --with-elf.Fri Jan 20 20:11:17 1995  Jim Wilson  <wilson@cygnus.com>	* combine.c (num_sign_bit_copies): Can handle paradoxical subreg only	if LOAD_EXTEND_OP is defined to SIGN_EXTEND.	* loop.c (record_giv): Initialize new field same_insn.	* loop.h (structure induction): Add new field same_insn.	* unroll.c (copy_loop_body): When check for shared address givs, use	new same_insn field.	(find_splittable_givs): New variable v2.  Scan givs to set new	same_insn field.  Use same_insn to indentify address givs to be	shared.	* flow.c (find_basic_blocks): No longer need to check for deleted	nonlocal_labels.	* function.c (delete_handlers): When clear LABEL_PRESERVE_P,	also remove label from nonlocal_label list.	* integrate.c (save_for_inline_copying): Add comment that	nonlocal_label list should be updated if it ever can be nonzero.	* sdbout.c (syms.h): Don't include under Linux.	* loop.c (scan_loop): For the replace_rtx call, copy the rtx that is	being substituted in before the call.	* sh.c (machine_dependent_reorg): When remove SUBREG, add in	SUBREG_WORD to new register number.	* sh.c (multcosts): Do not compute cost of constant power-of-two	multiplies as if they were shifts.  Reduce multiply cost from 5 to 3.	Delete variable insn_cost.Fri Jan 20 14:21:49 1995  Mike Stump  <mrs@cygnus.com>	* stmt.c (expand_cleanups): Add 4th argument to indicate if code	needs to be expanded for the cleanup.	(expand_goto_internal): Ditto.	(bc_expand_goto_internal): Ditto.	(fixup_gotos): Ditto.	(expand_end_bindings): Ditto.  We now always call expand_cleanups,	even after BARRIERs, so that the call to the exception handling	routines is always done.Thu Jan 19 18:39:14 1995  Ian Lance Taylor  <ian@cygnus.com>	* config/mips/mips.h (MASK_SINGLE_FLOAT): Define.	(MASK_MAD): Define.	(TARGET_SINGLE_FLOAT, TARGET_DOUBLE_FLOAT): Define.	(TARGET_MAD): Define.	(TARGET_SWITCHES): Add single-float, double-float, mad, no-mad,	4650.	(ASM_SPEC): For gas, pass down -m4650, and pass -m4650 if -mmad is	used.	(CC1_SPEC): If -mips3 is used, only set -mfp64 if neither	-msingle-float nor -m4650 are used.  Don't permit both -mfp64 and	-msingle-float, or both -mfp64 and -m4650.  If -m4650 is used,	pass down -mcpu=r4650.	(FIXED_REGISTERS): Change HI and LO to not be fixed.	(HARD_REGNO_NREGS): If TARGET_SINGLE_FLOAT, use floating point	registers in 4 byte units, not 8 byte units.	(SECONDARY_RELOAD_CLASS): Define.	(mips_secondary_reload_class): Declare.	(LIBCALL_VALUE): If TARGET_SINGLE_FLOAT, only use FP_RETURN if the	mode size is <= 4.	(REGISTER_MOVE_COST): Use a cost of 12 when moving HI or LO to	anything other than a general register.	* config/mips/mips.c (function_arg): If TARGET_SINGLE_FLOAT, pass	DFmode arguments in general registers.	(override_options): Accept 4650 as a cpu type.  If