[gcc.git] / gcc / ChangeLog

Fri Sep 18 22:52:05 1998  Jeffrey A Law  (law@cygnus.com)

	* reload.c (find_reloads): Do not replace a pseudo with 
	(MEM (reg_equiv_addr)) in the initializing insn for the
	pseudo.

Fri Sep 18 23:50:56 1998  David Edelsohn  <edelsohn@mhpcc.edu>

	* toplev.c (rest_of_compilation): Set bct_p on second call to
	loop_optimize.
	* loop.c (loop_optimize, scan_loop, strength_reduce): New argument
	bct_p.
	(strength_reduce): Only call analyze_loop_iterations and
	insert_bct if bct_p set.
	(check_dbra_loop): Fix typo.
	(insert_bct): Use word_mode instead of SImode.
	(instrument_loop_bct): Likewise.  Do not delete iteration count
	condition code generation insn.  Initialize iteration count before
	loop start.
	* rtl.h (loop_optimize): Update prototype.

	* ginclude/va-ppc.h (va_arg): longlong types in overflow area are
	not doubleword aligned.

	* rs6000.c (optimization_options): New function.
	(secondary_reload_class): Only call true_regnum for PSEUDO_REGs.
	* rs6000.h (OPTIMIZATION_OPTIONS): Define.
	(REG_ALLOC_ORDER): Allocate highest numbered condition regsiters
	first; cr1 can be used for FP record condition insns.

Fri Sep 18 09:44:55 1998  Nick Clifton  <nickc@cygnus.com>

	* config/m32r/m32r.h (m32r_block_immediate_operand): Add to
	PREDICATE_CODES.

	* config/m32r/m32r.md: Add "movstrsi" and "movstrsi_internal"
	patterns.

	* config/m32r/m32r.c (m32r_print_operand): Add 's' and 'p'
	operators.
	(block_move_call): New function: Call a library routine to copy a
	block of memory.
	(m32r_expand_block_move): New function: Expand a "movstrsi"
	pattern into a sequence of insns.
	(m32r_output_block_move): New function: Expand a
	"movstrsi_internal" pattern into a sequence of assembler opcodes.
	(m32r_block_immediate_operand): New function: Return true if the
	RTL is an integer constant, less than or equal to MAX_MOVE_BYTES.
	
Thu Sep 17 16:42:16 EDT 1998  Andrew MacLeod  <amacleod@cygnus.com>

	* except.c (start_catch_handler): Issue 'fatal' instead of 'error' and
	re-align some code.
	* libgcc2.c (__eh_rtime_match): fprintf a runtime error. Use <stdio.h>.

Thu Sep 17 12:24:33 1998  J"orn Rennecke <amylaar@cygnus.co.uk>

	* regmove.c (copy_src_to_dest): Check that modes match.

Wed Sep 16 22:10:42 1998  Robert Lipe  <robertl@dgii.com>

	* config/i386/sco5.h (SUPPORTS_WEAK): True only if targeting ELF.

Wed Sep 16 15:24:54 1998  Richard Henderson  <rth@cygnus.com>

	* i386.h (PREFERRED_RELOAD_CLASS): Respect an existing class
	narrower than FLOAT_REGS.

Wed Sep 16 17:51:00 1998  Alexandre Oliva  <oliva@dcc.unicamp.br>

	* cpplib.c: removed OLD_GPLUSPLUS_INCLUDE_DIR
	* cccp.c: ditto
	* Makefile.in (old_gxx_include_dir): removed

Wed Sep 16 12:29:22 1998  Nick Clifton  <nickc@cygnus.com>

	* config/sh/sh.h: Update definition of HANDLE_PRAGMA to match
	new specification.

	* config/sh/sh.c (handle_pragma): Rename to sh_handle_pragma().
	(sh_handle_pragma): Change function arguments to match new
	specification for HANDLE_PRAGMA. 

Wed Sep 16 12:43:19 1998  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

	* gen-protos.c (parse_fn_proto): Cast argument of ISALNUM to
	`unsigned char'.
	(main): Mark parameter `argc' with ATTRIBUTE_UNUSED.
	When generating output, initialize missing struct member to zero.

Wed Sep 16 14:47:43 1998  J"orn Rennecke <amylaar@cygnus.co.uk>

	* regmove.c (copy_src_to_dest): Don't copy if that requires
	(a) new register(s).

Wed Sep 16 01:29:12 1998  Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>

	* global.c (reg_allocno): Now static.
	* reload1.c (reg_allocno): Delete declaration.
	(order_regs_for_reload): Take no arguments.  Don't treat regs
	allocated by global differently than those allocated by local-alloc.

Wed Sep 16 01:09:01 1998  Kamil Iskra  <iskra@student.uci.agh.edu.pl>

	* m68k/m68k.c (output_function_prologue): Reverse NO_ADDSUB_Q
	condition, fix format strings.
	(output_function_epilogue): Likewise.

	* m68k/m68k.c: Don't include <stdlib.h> directly.

Wed Sep 16 00:30:56 1998  Geoff Keating  <geoffk@ozemail.com.au>

	* gcse.c: New definition NEVER_SET for reg_first_set, reg_last_set,
	mem_first_set, mem_last_set; because 0 can be a CUID.
	(oprs_unchanged_p): Use new definition.
	(record_last_reg_set_info): Likewise.
	(record_last_mem_set_info): Likewise.
	(compute_hash_table): Likewise.

Tue Sep 15 22:59:52 1998  Jeffrey A Law  (law@cygnus.com)

	* rs6000.c (output_epilogue): Handle Chill.

	* mn10200.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
	* mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.

	* combine.c (make_extraction): If no mode is specified for
	an operand of insv, extv, or extzv, default it to word_mode.
	(simplify_comparison): Similarly.
	* expmed.c (store_bit_field): Similarly.
	(extract_bit_field): Similarly.
	* function.c (fixup_var_regs_1): Similarly.
	* recog.c (validate_replace_rtx_1): Similarly.
	* mips.md (extv, extzv, insv expanders): Default modes for most
	operands.  Handle TARGET_64BIT.
	(movdi_uld, movdi_usd): New patterns.

	* pa.c (emit_move_sequence): Do not replace a pseudo with its
	equivalent memory location unless we have been provided a scratch
	register.  Similarly do not call find_replacement unless a
	scratch register has been provided.

Tue Sep 15 19:23:01 1998  Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>

        * i386.h (PREFERRED_RELOAD_CLASS): For standard 387 constants,
        return FLOAT_REGS.

Tue Sep 15 19:09:06 1998  Richard Henderson  <rth@cygnus.com>

	* tree.h (BUILT_IN_CALLER_RETURN_ADDRESS): Unused.  Kill.
	(BUILT_IN_FP, BUILT_IN_SP, BUILT_IN_SET_RETURN_ADDR_REG): Kill.
	(BUILT_IN_EH_STUB_OLD, BUILT_IN_EH_STUB, BUILT_IN_SET_EH_REGS): Kill.
	(BUILT_IN_EH_RETURN, BUILT_IN_DWARF_CFA): New.
	* c-decl.c (init_decl_processing): Update accordingly.
	* expr.c (expand_builtin): Likewise.

	* rtl.h (global_rtl): Add cfa entry.
	(virtual_cfa_rtx, VIRTUAL_CFA_REGNUM): New.
	(LAST_VIRTUAL_REGISTER): Update.
	* emit-rtl.c (global_rtl): Add cfa entry.
	(init_emit): Initialize it.
	* function.c (cfa_offset): New.
	(instantiate_virtual_regs): Initialize it.
	(instantiate_virtual_regs_1): Instantiate virtual_cfa_rtx.
	(expand_function_end): Call expand_eh_return.
	* tm.texi (ARG_POINTER_CFA_OFFSET): New.

	* except.c (current_function_eh_stub_label): Kill.
	(current_function_eh_old_stub_label): Likwise; update all references.
	(expand_builtin_set_return_addr_reg): Kill.
	(expand_builtin_eh_stub_old, expand_builtin_eh_stub): Kill.
	(expand_builtin_set_eh_regs): Kill.
	(eh_regs): Produce a third reg for the actual handler address.
	(eh_return_context, eh_return_stack_adjust): New.
	(eh_return_handler, eh_return_stub_label): New.
	(init_eh_for_function): Initialize them.
	(expand_builtin_eh_return, expand_eh_return): New.
	* except.h: Update prototypes.
	* flow.c (find_basic_blocks_1): Update references to the stub label.
	* function.h (struct function): Kill stub label elements.

	* libgcc2.c (in_reg_window): For REG_SAVED_REG, check that the
	register number is one that would be in the previous window.
	Provide a dummy definition for non-windowed targets.
	(get_reg_addr): New function.
	(get_reg, put_reg, copy_reg): Use it.
	(__throw): Rely on in_reg_window, not INCOMING_REGNO.  Kill stub
	generating code and use __builtin_eh_return.  Use __builtin_dwarf_cfa.

	* alpha.c (alpha_eh_epilogue_sp_ofs): New.
	(alpha_init_expanders): Initialize it.
	(alpha_expand_epilogue): Use it.
	* alpha.h: Declare it.
	* alpha.md (eh_epilogue): New.

	* m68h.h (ARG_POINTER_CFA_OFFSET): New.
	* sparc.h (ARG_POINTER_CFA_OFFSET): New.

Tue Sep 15 19:31:58 1998  Michael Meissner  <meissner@cygnus.com>

	* i960.h (CONST_COSTS): Fix thinko.  Test flag, not the constant
	flag bit mask.

Tue Sep 15 14:10:54 EDT 1998  Andrew MacLeod  <amacleod@cygnus.com>

	* except.h (struct eh_entry): Add false_label field.
	(end_catch_handler): Add prototype.
	* except.c (push_eh_entry): Set false_label field to NULL_RTX.
	(start_catch_handler): When using old style exceptions, issue
	runtime typematch code before continuing with the handler.
	(end_catch_handler): New function, generates label after handler
	if needed by older style exceptions.
	(expand_start_all_catch): No need to check for new style exceptions.
	(output_exception_table_entry): Only output the first handler label
	for old style exceptions.
	* libgcc2.c (__eh_rtime_match): New routine to lump runtime matching
	mechanism into one function, if a runtime matcher is provided.

Tue Sep 15 13:53:59 EDT 1998  Andrew MacLeod  <amacleod@cygnus.com>

	* config/i960/i960.h (SLOW_BYTE_ACCESS): Change definition to 1.

Tue Sep 15 09:59:01 1998  Mark Mitchell  <mark@markmitchell.com>

	* integrate.c (copy_decl_list): Fix typo.

Tue Sep 15 04:18:52 1998  David S. Miller  <davem@pierdol.cobaltmicro.com>

	* config/sparc/sparc.md (movdf_const_intreg_sp32): Fix length
	attribute.

Mon Sep 14 14:02:53 PDT 1998 Jeff Law  (law@cygnus.com)

	* version.c: Bump for snapshot.

Mon Sep 14 10:33:56 PDT 1998 Jeff Law  (law@cygnus.com)

	* version.c: Bump for snapshot.

Mon Sep 14 09:51:05 PDT 1998 Jeff Law  (law@cygnus.com)

	* version.c: Bump for snapshot.

Sun Sep 13 22:10:18 1998  David S. Miller  <davem@pierdol.cobaltmicro.com>

	* invoke.texi (C Dialect Options): Put back missing @end itemize.

Mon Sep 14 02:33:46 1998  Alexandre Oliva  <oliva@dcc.unicamp.br>

	* configure.in: remove usage of `!' to negate the result of a
	command; some common shells do not support it

Sun Sep 13 19:17:35 1998  David S. Miller  <davem@pierdol.cobaltmicro.com>

	* configure.in: in sparc9-sol2 config, use 'if test' not
	brackets.
	* configure: Rebuilt.

	* config/sparc/sol2-sld-64.h (SPARC_DEFAULT_CMODEL): Change to
	CM_MEDANY.
	(CPP_CPU_SPEC): Do not define _LP64, header files do this.
	(CPP_CPU_DEFAULT_SPEC): Likewise.
	* config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Get the names right
	for arch64 libfuncs.
	
	* config/sparc/sparc.md (goto_handler_and_restore): Allow any mode
	for operand zero.

Sun Sep 13 09:11:59 1998  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

	* acconfig.h (NEED_DECLARATION_STRSIGNAL): Provide a stub.

	* collect2.c: Don't declare `sys_siglist' here.
	(my_strsignal): Prototype and define new function.  Use it in
	place of `sys_siglist' hacks.

	* mips_tfile.c:  Likewise.

	* configure.in (AC_CHECK_FUNCS): Check for strsignal.
	(GCC_NEED_DECLARATIONS): Likewise.

	* system.h (strsignal): Prototype it, if necessary.
	(sys_siglist): Declare it, if necessary.

Sun Sep 13 04:37:28 1998  David S. Miller  <davem@pierdol.cobaltmicro.com>

	* loop.c (move_movables): While removing insn sequences, preserve
	the next pointer of the most recently deleted insn when we skip
	over a NOTE.

Sun Sep 13 08:13:39 1998  Ben Elliston  <bje@cygnus.com>

	* objc/config-lang.in: Do not output the name of the selected
	thread file when building the front-end.  The Makefile for the
	runtime library will do this.

	* objc/Make-lang.in: Do not build the runtime library or install
	the Objective C header files.  The Makefile for the runtime
	library will do this.

	* objc/Makefile.in (all.indirect): Only build the front-end.
	(compiler): Rename to `frontend'.
	(obj-runtime): Remove target.
	(copy-headers): Likewise.
	(clean): No need to remove `libobjc.a' any longer.

Sat Sep 12 11:37:19 1998  Michael Meissner  <meissner@cygnus.com>

	* rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
	supported with -mcpu=xxx.

Fri Sep 11 23:55:54 1998  David S. Miller  <davem@pierdol.cobaltmicro.com>

	* flow.c (mark_set_1): Recognize multi-register structure return
	values in CALL insns.
	(mark_used_regs): Likewise.
	(count_reg_sets_1): Likewise.
	(count_reg_references):	Likewise.
	* rtlanal.c (note_stores): Likewise.
	(reg_overlap_mentioned_p): Likewise.
	* haifa-sched.c (check_live_1): Likewise.
	(update_live_1): Likewise.
	(sched_analyze_1): Likewise.
	(sched_note_set): Likewise.
	(birthing_insn_p): Likewise.
	(attach_deaths): Likewise.

	* config/sparc/sparc.md (movdf_const_intreg_sp64): Disable.


Fri Sep 11 22:57:55 1998  Eric Dumazet  <dumazet@cosmosbay.com>

	* config/i386/sco5.h (ASM_WEAKEN_LABEL): Defined as in svr4.h.

Thu Sep 10 22:02:04 1998  David S. Miller  <davem@pierdol.cobaltmicro.com>

	* glimits.h (__LONG_MAX__): Recognize __sparcv9 too.

Thu Sep 10 21:19:10 1998  Jakub Jelinek  <jj@sunsite.ms.mff.cuni.cz>

	* configure.in: Add check for GAS subsection -1 support.
	* acconfig.h (HAVE_GAS_SUBSECTION_ORDERING): Add.
	* configure config.in: Rebuilt.
	* config/sparc/sparc.h (CASE_VECTOR_MODE): For V9 flag_pic, use
	SImode is subsection -1 works, else use DImode.
	(ASM_OUTPUT_ADDR_VEC_START, ASM_OUTPUT_ADDR_VEC_END): Define if
	subsection -1 works.
	* config/sparc/sparc.c (sparc_output_addr_vec,
	sparc_output_addr_diff_vec): Use them if defined.

Thu Sep 10 10:46:01 1998  Mark Mitchell  <mark@markmitchell.com>

	* tree.h (DECL_ORIGIN): New macro.
	* integrate.c (copy_and_set_decl_abstract_origin): New function.
	(copy_decl_list): Use it.
	(integrate_parm_decls): Likewise.
	(integrate_decl_tree): Likewise.
	* dwarf2out.c (decl_ultimate_origin): Simplify.
	* dwarfout.c (decl_ultimate_origin): Likewise.
	* c-decl.c (duplicate_decls): Use DECL_ORIGIN.
	(pushdecl): Likewise.

Thu Sep 10 08:01:31 1998  Anthony Green  <green@cygnus.com>

	* config/rs6000/rs6000.c (output_epilog): Add Java support.
Commit	Line	Data
f10df53c JL	1	Fri Sep 18 22:52:05 1998 Jeffrey A Law (law@cygnus.com)
	2
	3	* reload.c (find_reloads): Do not replace a pseudo with
	4	(MEM (reg_equiv_addr)) in the initializing insn for the
	5	pseudo.
	6
5accd822 DE	7	Fri Sep 18 23:50:56 1998 David Edelsohn <edelsohn@mhpcc.edu>
	8
	9	* toplev.c (rest_of_compilation): Set bct_p on second call to
	10	loop_optimize.
	11	* loop.c (loop_optimize, scan_loop, strength_reduce): New argument
	12	bct_p.
	13	(strength_reduce): Only call analyze_loop_iterations and
	14	insert_bct if bct_p set.
	15	(check_dbra_loop): Fix typo.
	16	(insert_bct): Use word_mode instead of SImode.
	17	(instrument_loop_bct): Likewise. Do not delete iteration count
	18	condition code generation insn. Initialize iteration count before
	19	loop start.
	20	* rtl.h (loop_optimize): Update prototype.
	21
	22	* ginclude/va-ppc.h (va_arg): longlong types in overflow area are
	23	not doubleword aligned.
	24
	25	* rs6000.c (optimization_options): New function.
	26	(secondary_reload_class): Only call true_regnum for PSEUDO_REGs.
	27	* rs6000.h (OPTIMIZATION_OPTIONS): Define.
	28	(REG_ALLOC_ORDER): Allocate highest numbered condition regsiters
	29	first; cr1 can be used for FP record condition insns.
	30
d2a73f8e NC	31	Fri Sep 18 09:44:55 1998 Nick Clifton <nickc@cygnus.com>
	32
	33	* config/m32r/m32r.h (m32r_block_immediate_operand): Add to
	34	PREDICATE_CODES.
	35
	36	* config/m32r/m32r.md: Add "movstrsi" and "movstrsi_internal"
	37	patterns.
	38
	39	* config/m32r/m32r.c (m32r_print_operand): Add 's' and 'p'
	40	operators.
	41	(block_move_call): New function: Call a library routine to copy a
	42	block of memory.
	43	(m32r_expand_block_move): New function: Expand a "movstrsi"
	44	pattern into a sequence of insns.
	45	(m32r_output_block_move): New function: Expand a
	46	"movstrsi_internal" pattern into a sequence of assembler opcodes.
	47	(m32r_block_immediate_operand): New function: Return true if the
	48	RTL is an integer constant, less than or equal to MAX_MOVE_BYTES.
	49
7ac2148b AM	50	Thu Sep 17 16:42:16 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
	51
	52	* except.c (start_catch_handler): Issue 'fatal' instead of 'error' and
	53	re-align some code.
	54	* libgcc2.c (__eh_rtime_match): fprintf a runtime error. Use <stdio.h>.
	55
9d2106a4 R	56	Thu Sep 17 12:24:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
	57
	58	* regmove.c (copy_src_to_dest): Check that modes match.
	59
086afc19 RL	60	Wed Sep 16 22:10:42 1998 Robert Lipe <robertl@dgii.com>
	61
	62	* config/i386/sco5.h (SUPPORTS_WEAK): True only if targeting ELF.
	63
b66a3ac1 RH	64	Wed Sep 16 15:24:54 1998 Richard Henderson <rth@cygnus.com>
	65
	66	* i386.h (PREFERRED_RELOAD_CLASS): Respect an existing class
	67	narrower than FLOAT_REGS.
	68
0d7138a1 AO	69	Wed Sep 16 17:51:00 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
	70
	71	* cpplib.c: removed OLD_GPLUSPLUS_INCLUDE_DIR
	72	* cccp.c: ditto
	73	* Makefile.in (old_gxx_include_dir): removed
	74
f43a85ca NC	75	Wed Sep 16 12:29:22 1998 Nick Clifton <nickc@cygnus.com>
	76
	77	* config/sh/sh.h: Update definition of HANDLE_PRAGMA to match
	78	new specification.
	79
	80	* config/sh/sh.c (handle_pragma): Rename to sh_handle_pragma().
	81	(sh_handle_pragma): Change function arguments to match new
	82	specification for HANDLE_PRAGMA.
	83
88dab4f6 KG	84	Wed Sep 16 12:43:19 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
	85
	86	* gen-protos.c (parse_fn_proto): Cast argument of ISALNUM to
	87	`unsigned char'.
	88	(main): Mark parameter `argc' with ATTRIBUTE_UNUSED.
	89	When generating output, initialize missing struct member to zero.
	90
1a8fca8a R	91	Wed Sep 16 14:47:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
	92
	93	* regmove.c (copy_src_to_dest): Don't copy if that requires
	94	(a) new register(s).
	95
f15ebf65 BS	96	Wed Sep 16 01:29:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
	97
	98	* global.c (reg_allocno): Now static.
	99	* reload1.c (reg_allocno): Delete declaration.
	100	(order_regs_for_reload): Take no arguments. Don't treat regs
	101	allocated by global differently than those allocated by local-alloc.
	102
3dbf3a22 KI	103	Wed Sep 16 01:09:01 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
3dbf3a22 KI	104
b0e982be KI	105	* m68k/m68k.c (output_function_prologue): Reverse NO_ADDSUB_Q
	106	condition, fix format strings.
	107	(output_function_epilogue): Likewise.
	108
3dbf3a22 KI	109	* m68k/m68k.c: Don't include <stdlib.h> directly.
3dbf3a22 KI	110
b86ba9c8 GK	111	Wed Sep 16 00:30:56 1998 Geoff Keating <geoffk@ozemail.com.au>
	112
	113	* gcse.c: New definition NEVER_SET for reg_first_set, reg_last_set,
	114	mem_first_set, mem_last_set; because 0 can be a CUID.
	115	(oprs_unchanged_p): Use new definition.
	116	(record_last_reg_set_info): Likewise.
	117	(record_last_mem_set_info): Likewise.
	118	(compute_hash_table): Likewise.
	119
54d65918 JL	120	Tue Sep 15 22:59:52 1998 Jeffrey A Law (law@cygnus.com)
54d65918 JL	121
6f573ff9 JL	122	* rs6000.c (output_epilogue): Handle Chill.
6f573ff9 JL	123
fa88e837 JL	124	* mn10200.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
	125	* mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
	126
0d8e55d8 JL	127	* combine.c (make_extraction): If no mode is specified for
	128	an operand of insv, extv, or extzv, default it to word_mode.
	129	(simplify_comparison): Similarly.
	130	* expmed.c (store_bit_field): Similarly.
	131	(extract_bit_field): Similarly.
	132	* function.c (fixup_var_regs_1): Similarly.
	133	* recog.c (validate_replace_rtx_1): Similarly.
	134	* mips.md (extv, extzv, insv expanders): Default modes for most
	135	operands. Handle TARGET_64BIT.
	136	(movdi_uld, movdi_usd): New patterns.
	137
54d65918 JL	138	* pa.c (emit_move_sequence): Do not replace a pseudo with its
	139	equivalent memory location unless we have been provided a scratch
	140	register. Similarly do not call find_replacement unless a
	141	scratch register has been provided.
	142
c09a3c2e BS	143	Tue Sep 15 19:23:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
	144
	145	* i386.h (PREFERRED_RELOAD_CLASS): For standard 387 constants,
	146	return FLOAT_REGS.
	147
71038426 RH	148	Tue Sep 15 19:09:06 1998 Richard Henderson <rth@cygnus.com>
	149
	150	* tree.h (BUILT_IN_CALLER_RETURN_ADDRESS): Unused. Kill.
	151	(BUILT_IN_FP, BUILT_IN_SP, BUILT_IN_SET_RETURN_ADDR_REG): Kill.
	152	(BUILT_IN_EH_STUB_OLD, BUILT_IN_EH_STUB, BUILT_IN_SET_EH_REGS): Kill.
	153	(BUILT_IN_EH_RETURN, BUILT_IN_DWARF_CFA): New.
	154	* c-decl.c (init_decl_processing): Update accordingly.
	155	* expr.c (expand_builtin): Likewise.
	156
	157	* rtl.h (global_rtl): Add cfa entry.
	158	(virtual_cfa_rtx, VIRTUAL_CFA_REGNUM): New.
	159	(LAST_VIRTUAL_REGISTER): Update.
	160	* emit-rtl.c (global_rtl): Add cfa entry.
	161	(init_emit): Initialize it.
	162	* function.c (cfa_offset): New.
	163	(instantiate_virtual_regs): Initialize it.
	164	(instantiate_virtual_regs_1): Instantiate virtual_cfa_rtx.
	165	(expand_function_end): Call expand_eh_return.
	166	* tm.texi (ARG_POINTER_CFA_OFFSET): New.
	167
	168	* except.c (current_function_eh_stub_label): Kill.
	169	(current_function_eh_old_stub_label): Likwise; update all references.
	170	(expand_builtin_set_return_addr_reg): Kill.
	171	(expand_builtin_eh_stub_old, expand_builtin_eh_stub): Kill.
	172	(expand_builtin_set_eh_regs): Kill.
	173	(eh_regs): Produce a third reg for the actual handler address.
	174	(eh_return_context, eh_return_stack_adjust): New.
	175	(eh_return_handler, eh_return_stub_label): New.
	176	(init_eh_for_function): Initialize them.
	177	(expand_builtin_eh_return, expand_eh_return): New.
	178	* except.h: Update prototypes.
	179	* flow.c (find_basic_blocks_1): Update references to the stub label.
	180	* function.h (struct function): Kill stub label elements.
	181
	182	* libgcc2.c (in_reg_window): For REG_SAVED_REG, check that the
	183	register number is one that would be in the previous window.
	184	Provide a dummy definition for non-windowed targets.
	185	(get_reg_addr): New function.
	186	(get_reg, put_reg, copy_reg): Use it.
	187	(__throw): Rely on in_reg_window, not INCOMING_REGNO. Kill stub
	188	generating code and use __builtin_eh_return. Use __builtin_dwarf_cfa.
	189
	190	* alpha.c (alpha_eh_epilogue_sp_ofs): New.
	191	(alpha_init_expanders): Initialize it.
	192	(alpha_expand_epilogue): Use it.
	193	* alpha.h: Declare it.
	194	* alpha.md (eh_epilogue): New.
	195
	196	* m68h.h (ARG_POINTER_CFA_OFFSET): New.
	197	* sparc.h (ARG_POINTER_CFA_OFFSET): New.
	198
bb210aaf MM	199	Tue Sep 15 19:31:58 1998 Michael Meissner <meissner@cygnus.com>
	200
	201	* i960.h (CONST_COSTS): Fix thinko. Test flag, not the constant
	202	flag bit mask.
	203
bf71cd2e AM	204	Tue Sep 15 14:10:54 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
	205
	206	* except.h (struct eh_entry): Add false_label field.
	207	(end_catch_handler): Add prototype.
	208	* except.c (push_eh_entry): Set false_label field to NULL_RTX.
	209	(start_catch_handler): When using old style exceptions, issue
	210	runtime typematch code before continuing with the handler.
	211	(end_catch_handler): New function, generates label after handler
	212	if needed by older style exceptions.
	213	(expand_start_all_catch): No need to check for new style exceptions.
	214	(output_exception_table_entry): Only output the first handler label
	215	for old style exceptions.
	216	* libgcc2.c (__eh_rtime_match): New routine to lump runtime matching
	217	mechanism into one function, if a runtime matcher is provided.
	218
8a21007c AM	219	Tue Sep 15 13:53:59 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
	220
	221	* config/i960/i960.h (SLOW_BYTE_ACCESS): Change definition to 1.
	222
11d09c08 MM	223	Tue Sep 15 09:59:01 1998 Mark Mitchell <mark@markmitchell.com>
	224
	225	* integrate.c (copy_decl_list): Fix typo.
	226
2d81c9bf DM	227	Tue Sep 15 04:18:52 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
	228
	229	* config/sparc/sparc.md (movdf_const_intreg_sp32): Fix length
	230	attribute.
	231
e12994ab JL	232	Mon Sep 14 14:02:53 PDT 1998 Jeff Law (law@cygnus.com)
	233
	234	* version.c: Bump for snapshot.
	235
028d0b2a JL	236	Mon Sep 14 10:33:56 PDT 1998 Jeff Law (law@cygnus.com)
	237
	238	* version.c: Bump for snapshot.
	239
466973ed JL	240	Mon Sep 14 09:51:05 PDT 1998 Jeff Law (law@cygnus.com)
	241
	242	* version.c: Bump for snapshot.
	243
ad299d9b DM	244	Sun Sep 13 22:10:18 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
	245
	246	* invoke.texi (C Dialect Options): Put back missing @end itemize.
	247
1b015bec AO	248	Mon Sep 14 02:33:46 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
	249
	250	* configure.in: remove usage of `!' to negate the result of a
	251	command; some common shells do not support it
	252
d7496fbb DM	253	Sun Sep 13 19:17:35 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
	254
	255	* configure.in: in sparc9-sol2 config, use 'if test' not
	256	brackets.
	257	* configure: Rebuilt.
	258
	259	* config/sparc/sol2-sld-64.h (SPARC_DEFAULT_CMODEL): Change to
	260	CM_MEDANY.
	261	(CPP_CPU_SPEC): Do not define _LP64, header files do this.
	262	(CPP_CPU_DEFAULT_SPEC): Likewise.
	263	* config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Get the names right
	264	for arch64 libfuncs.
	265
073149a2 DM	266	* config/sparc/sparc.md (goto_handler_and_restore): Allow any mode
	267	for operand zero.
	268
007e8d2a KG	269	Sun Sep 13 09:11:59 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
	270
	271	* acconfig.h (NEED_DECLARATION_STRSIGNAL): Provide a stub.
	272
	273	* collect2.c: Don't declare `sys_siglist' here.
	274	(my_strsignal): Prototype and define new function. Use it in
	275	place of `sys_siglist' hacks.
	276
	277	* mips_tfile.c: Likewise.
	278
	279	* configure.in (AC_CHECK_FUNCS): Check for strsignal.
	280	(GCC_NEED_DECLARATIONS): Likewise.
	281
	282	* system.h (strsignal): Prototype it, if necessary.
	283	(sys_siglist): Declare it, if necessary.
	284
9655bf95 DM	285	Sun Sep 13 04:37:28 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
	286
	287	* loop.c (move_movables): While removing insn sequences, preserve
	288	the next pointer of the most recently deleted insn when we skip
	289	over a NOTE.
	290
fbe39e48 BE	291	Sun Sep 13 08:13:39 1998 Ben Elliston <bje@cygnus.com>
	292
	293	* objc/config-lang.in: Do not output the name of the selected
	294	thread file when building the front-end. The Makefile for the
	295	runtime library will do this.
	296
	297	* objc/Make-lang.in: Do not build the runtime library or install
	298	the Objective C header files. The Makefile for the runtime
	299	library will do this.
	300
	301	* objc/Makefile.in (all.indirect): Only build the front-end.
	302	(compiler): Rename to `frontend'.
	303	(obj-runtime): Remove target.
	304	(copy-headers): Likewise.
	305	(clean): No need to remove `libobjc.a' any longer.
	306
b91d2c10 MM	307	Sat Sep 12 11:37:19 1998 Michael Meissner <meissner@cygnus.com>
	308
	309	* rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
	310	supported with -mcpu=xxx.
	311
86465af7 DM	312	Fri Sep 11 23:55:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
	313
	314	* flow.c (mark_set_1): Recognize multi-register structure return
	315	values in CALL insns.
	316	(mark_used_regs): Likewise.
	317	(count_reg_sets_1): Likewise.
	318	(count_reg_references): Likewise.
	319	* rtlanal.c (note_stores): Likewise.
c0222c21 DM	320	(reg_overlap_mentioned_p): Likewise.
	321	* haifa-sched.c (check_live_1): Likewise.
	322	(update_live_1): Likewise.
	323	(sched_analyze_1): Likewise.
	324	(sched_note_set): Likewise.
	325	(birthing_insn_p): Likewise.
	326	(attach_deaths): Likewise.
	327
	328	* config/sparc/sparc.md (movdf_const_intreg_sp64): Disable.
	329
86465af7	330
37a29ee7 ED	331	Fri Sep 11 22:57:55 1998 Eric Dumazet <dumazet@cosmosbay.com>
37a29ee7 ED	332
45259482	333	* config/i386/sco5.h (ASM_WEAKEN_LABEL): Defined as in svr4.h.
37a29ee7	334
75bba2a6 DM	335	Thu Sep 10 22:02:04 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
	336
	337	* glimits.h (__LONG_MAX__): Recognize __sparcv9 too.
	338
d1accaa3 JJ	339	Thu Sep 10 21:19:10 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
	340
	341	* configure.in: Add check for GAS subsection -1 support.
	342	* acconfig.h (HAVE_GAS_SUBSECTION_ORDERING): Add.
	343	* configure config.in: Rebuilt.
	344	* config/sparc/sparc.h (CASE_VECTOR_MODE): For V9 flag_pic, use
	345	SImode is subsection -1 works, else use DImode.
	346	(ASM_OUTPUT_ADDR_VEC_START, ASM_OUTPUT_ADDR_VEC_END): Define if
	347	subsection -1 works.
	348	* config/sparc/sparc.c (sparc_output_addr_vec,
	349	sparc_output_addr_diff_vec): Use them if defined.
	350
02e24c7a MM	351	Thu Sep 10 10:46:01 1998 Mark Mitchell <mark@markmitchell.com>
	352
	353	* tree.h (DECL_ORIGIN): New macro.
	354	* integrate.c (copy_and_set_decl_abstract_origin): New function.
	355	(copy_decl_list): Use it.
	356	(integrate_parm_decls): Likewise.
	357	(integrate_decl_tree): Likewise.
	358	* dwarf2out.c (decl_ultimate_origin): Simplify.
	359	* dwarfout.c (decl_ultimate_origin): Likewise.
	360	* c-decl.c (duplicate_decls): Use DECL_ORIGIN.
	361	(pushdecl): Likewise.
	362
9517ead8 AG	363	Thu Sep 10 08:01:31 1998 Anthony Green <green@cygnus.com>
	364
	365	* config/rs6000/rs6000.c (output_epilog): Add Java support.
	366
95c81fb8 ML	367