Fri Jun 26 16:03:15 1998  Michael Meissner  <meissner@cygnus.com>

	* haifa-sched.c (schedule_block): Add hooks for the machine
	description to reorder the ready list, and update how many more
	instructions can be issued this cycle.
	* tm.texi (MD_SCHED_{INIT,REORDER,VARIABLE_ISSUE}): Document.
	
Fri Jun 26 11:54:11 1998  David S. Miller  <davem@pierdol.cobaltmicro.com>

	* config/sparc/sparc.h (REGNO_OK_FOR_{INDEX,BASE,FP,CCFP}_P):
	Explicitly mark the constant being compared against as unsigned.
	* config/sparc/sparc.c (sparc_select, cpu_default, cpu_table):
	Fully initialize final members.
	(mem_aligned_8): Explicit init of offset to zero.
	(output_function_prologue): Explicit init of n_regs to zero.
	(output_function_epilogue): Likewise, and mark arg size as
	unused.
	(init_cumulative_args): Mark libname and indirect as unused.
	(function_arg_pass_by_reference): Likewise for cum and named.
	(sparc_builtin_saveregs): Likewise for arglist.
	(sparc_flat_eligible_for_epilogue_delay): Likewise for slot.

Fri Jun 26 06:58:54 1998  Richard Earnshaw  (rearnsha@arm.com)

	* arm.h (SECONDARY_INPUT_RELOAD_CLASS): Only need a secondary reload
	if reloading a MEM.

	* arm.h (arm_adjust_cost): Renamed bogus prototype from
	arm_adjust_code.
	(bad_signed_byte_operand): Add prototype.
	* arm.c (arm_override_options): Make I unsigned.
	(const_ok_for_arm): Add casts to the constants.	
	(load_multiple_operation): Don't redeclare elt in sub-block.
	(arm_gen_movstrqi): Delete external declaration of optimize.
	(gen_compare_reg): Declare parameter fp.

	* arm.c (final_prescan_insn): Only initialize scanbody if the insn
	has a pattern.

Fri Jun 26 09:31:24 1998  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

	* alpha.c: Include system.h and toplev.h.
	(cint8_operand): Mark parameter `mode' with ATTRIBUTE_UNUSED.
	(const48_operand): Likewise.
	(mode_width_operand): Likewise.
	(mode_mask_operand): Likewise.
	(mul8_operand): Likewise.
	(current_file_function_operand): Likewise.
	(signed_comparison_operator): Likewise.
	(divmod_operator): Likewise.
	(any_memory_operand): Likewise.
	(alpha_return_addr): Likewise for parameter `frame'.
	(alpha_builtin_saveregs): Likewise for parameter `arglist'.
	(vms_valid_decl_attribute_p): Likewise for parameters `decl' and
	`attributes'.
	(alpha_start_function): Likewise for parameter `decl'.  Use
	HOST_WIDE_INT_PRINT_DEC in call to fprintf.  Fix various format
	specifiers.  Remove unused variables `lab' and `name'.
	(alpha_end_function): Mark parameter `decl' with ATTRIBUTE_UNUSED.
	(check_float_value): Likewise for parameter `overflow'.
	(alpha_need_linkage): Likewise for parameters `name' and `is_local'.
	
	* alpha.h (ASM_IDENTIFY_GCC, ASM_IDENTIFY_LANGUAGE): Define as
	taking an argument.
	(ASM_OUTPUT_SHORT): Cast argument to `int' in call to fprintf.
	(ASM_OUTPUT_CHAR): Likewise.
	(ASM_OUTPUT_BYTE): Likewise.
	(PRINT_OPERAND_ADDRESS): Use HOST_WIDE_INT_PRINT_DEC in call to
	fprintf.
	(PUT_SDB_EPILOGUE_END): Mention argument `NAME' in definition.
	Add prototypes for functions in alpha.c.

	* alpha.md (ashldi3): Add default case in switch.

1998-06-26  Manfred Hollstein  <manfred@s-direktnet.de>

	* Makefile.in (gcc_version, gcc_version_trigger): New macros.
	(version): Initialize from $(gcc_version).

	* configure.in (version): Rename to gcc_version.
	(gcc_version_trigger): New variable; call AC_SUBST for it and
	emit it into the generated config.status.
	* configure: Regenerate.

Thu Jun 25 12:47:41 1998  Mark Mitchell  <mark@markmitchell.com>

	* fold-const.c (make_range): Don't go looking at TREE_OPERANDs of
	nodes that are not expressions.

Thu Jun 25 15:08:16 1998  Mark Mitchell  <mark@markmitchell.com>

	* invoke.texi (-fstrict-aliasing): Document.
	* rtl.texi (MEM_ALIAS_SET): Document.

	* flags.h (flag_strict_aliasing): Declare.
	* toplev.c (flag_strict_aliasing): Define.
	(f_options): Add -strict-aliasing.
	(main): Set flag_strict_aliasing if -O2 or higher.

	* tree.h (tree_type): Add alias_set field.
	(TYPE_ALIAS_SET): New macro.
	(TYPE_ALIAS_SET_KNOWN_P): Likewise.
	(get_alias_set): Declare.
	* tree.c (lang_get_alias_set): Define.
	(make_node): Initialize TYPE_ALIAS_SET.
	(get_alias_set): New function.
	* print-tree.c (print_node): Dump the alias set for a type.

	* c-tree.h (c_get_alias_set): Declare.
	* c-common.c (c_get_alias_set): New function.
	* c-decl.c (init_decl_processing): Set lang_get_alias_set.

	* expr.c (protect_from_queue): Propogage alias sets.
	(expand_assignment): Calculate alias set for new MEMs.
	(expand_expr): Likewise.
	* function.c (put_var_into_stack): Likewise.
	(put_reg_into_stack): Likewise.
	(gen_mem_addressof): Likewise.
	(assign_parms): Likewise.
	* stmt.c (expand_decl): Likewise.
	* varasm.c (make_decl_rtl): Eliminate redundant clearing of
	DECL_RTL.  Calculate alias set for new MEMs.

	* rtl.def (REG): Add dummy operand.
	(MEM): Add extra operand to store the MEM_ALIAS_SET.
	* rtl.h (MEM_ALIAS_SET): New macro.
	(gen_rtx_MEM): Declare.
	* emit-rtl.c (gen_rtx_MEM): New function.
	* gengenrtl.c (sepcial_rtx): Make MEMs special.

	* alias.c (CHECK_ALIAS_SETS_FOR_CONSISTENCY): New macro.
	(DIFFERENT_ALIAS_SETS_P): Likewise.
	(canon_rtx): Propagate the alias set to the new MEM.
	(true_dependence): Check the alias sets.
	(anti_dependence): Likewise.
	(output_dependence): Likewise.
	* explow.c (stabilize): Progoate alias sets.
	* integrate.c (copy_rtx_and_substitute): Likewise.
	* final.c (alter_subreg): Make sure not to leave MEM_IN_STRUCT_P
	in an unpredictable state.  Propagate alias sets.
	* reload1.c (reload): Clear MEM_ALIAS_SET for new MEMs about which
	we have no alias information.
	
Thu Jun 25 16:59:18 1998  Andrew MacLeod  <amacleod@cygnus.com>

	* except.h (CATCH_ALL_TYPE): Definition moved to eh-common.h.
	(find_all_handler_type_matches): Add function prototype.
	* eh-common.h (CATCH_ALL_TYPE): Definition added.
	* except.c (find_all_handler_type_matches): Add function to find all
	runtime type info in the exception table.
	(output_exception_table_entry): Special case for CATCH_ALL_TYPE.

Thu Jun 25 15:47:55 1998  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

	* Makefile.in (xcoffout.o): Depend on toplev.h, output.h and dbxout.h.

	* config/fp-bit.c (_fpmul_parts): Move variables `x', `ylow',
	`yhigh' and `bit' into the scope in which they are used.
	(_fpdiv_parts): Remove unused variables `low', `high', `r0', `r1',
	`y0', `y1', `q', `remainder', `carry', `d0' and `d1'.

	* rs6000.c: Move include of output.h below tree.h.  Include toplev.h.
	(any_operand): Mark unused parameters `op' and `mode' with
	ATTRIBUTE_UNUSED.
	(count_register_operand): Likewise for parameter `mode'.
	(fpmem_operand): Likewise.
	(short_cint_operand): Likewise.
	(u_short_cint_operand): Likewise.
	(non_short_cint_operand): Likewise.
	(got_operand): Likewise.
	(got_no_const_operand): Likewise.
	(non_add_cint_operand): Likewise.
	(non_logical_cint_operand): Likewise.
	(mask_operand): Likewise.
	(current_file_function_operand): Likewise.
	(small_data_operand): Likewise for parameters `op' and `mode' but
	only when !TARGET_ELF.
	(init_cumulative_args): Mark parameters `libname' with
	ATTRIBUTE_UNUSED.
	(function_arg_pass_by_reference): Likewise for parameters `cum',
	`mode' and `named'.
	(expand_builtin_saveregs): Likewise for parameter `args'.
	(load_multiple_operation): Likewise for parameter `mode'.
	(store_multiple_operation): Likewise.
	(branch_comparison_operator): Likewise.
	(secondary_reload_class): Likewise.
	(print_operand): Add parentheses around & operation.
	(output_prolog): Mark parameter `size' with ATTRIBUTE_UNUSED.
	(output_epilog): Likewise.  Cast argument to fprintf to int.
	(rs6000_adjust_cost): Mark parameter `dep_insn' with ATTRIBUTE_UNUSED.
	(rs6000_valid_decl_attribute_p): Likewise for parameters `decl',
	`attributes', `identifier' and `args'.
	(rs6000_valid_type_attribute_p): Likewise for parameter `attributes'.
	(rs6000_comp_type_attributes): Likewise for parameters `type1' and
	`type2'.
	(rs6000_set_default_type_attributes): Likewise for parameter `type'.

	* rs6000.h (RTX_COSTS): Add parentheses around & operation.
	(toc_section, private_data_section, trap_comparison_operator): Add
	prototypes.

	* dbxout.h (dbxout_parms, dbxout_reg_parms, dbxout_syms): Add
	prototypes.

	* xcoffout.c: Include toplev.h, outout.h and dbxout.h.

	* xcoffout.h (stab_to_sclass, xcoffout_begin_function,
	xcoffout_begin_block, xcoffout_end_epilogue,
	xcoffout_end_function, xcoffout_end_block,
	xcoff_output_standard_types, xcoffout_declare_function,
	xcoffout_source_line): Add prototypes.

Thu Jun 25 09:54:55 1998  Nick Clifton  <nickc@cygnus.com>

	* config/arm/arm.h (REG_ALLOC_ORDER): Add ARG_POINTER_REGNUM,
	noticed by grahams@rcp.co.uk.

Thu Jun 25 11:12:29 1998  Dave Brolley  <brolley@cygnus.com>

	* gcc.c (default_compilers): Use new | syntax to eliminate
	string concatenation.

Thu Jun 25 01:00:48 1998  Richard Henderson  <rth@cygnus.com>

	* alpha.c (alpha_function_name): Delete.
	(alpha_ra_ever_killed): Notice current_function_is_thunk.
	(alpha_sa_mask, alpha_sa_size, alpha_does_function_need_gp): Likewise.
	(alpha_start_function): Reorg from output_prologue.
	(alpha_end_function): Reorg from output_epilogue.
	* alpha.h (ASM_DECLARE_FUNCTION_NAME): Call alpha_start_function.
	(ASM_DECLARE_FUNCTION_SIZE): New.
	(FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Delete.
	(PROFILE_BEFORE_PROLOGUE): Set.
	(ASM_OUTPUT_MI_THUNK): Remove bits now output by start/end_function.
	* alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): Likewise.

Thu Jun 25 01:18:47 1998  John Wehle  (john@feith.com)

	* i386/freebsd-elf.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Define.

1998-06-25  Herman A.J. ten Brugge  <Haj.Ten.Brugge@net.HCC.nl>

	* expr.c (expand_assignment): Rework address calculation for structure
	field members to expose more invariant computations to the loop
	optimizer.
	(expand_expr): Likewise.

Wed Jun 24 22:44:22 1998  Jeffrey A Law  (law@cygnus.com)

	* local-alloc.c (block_alloc): Do not try to avoid false dependencies
	when SMALL_REGISTER_CLASSES is nonzero.

Wed Jun 24 17:55:15 1998  Klaus Kaempf  <kkaempf@progis.de>

	* alpha.md (call_vms, call_value_vms): Strip leading * from symbol.

Wed Jun 24 16:27:23 1998  John Carr  <jfc@mit.edu>

	* expr.c (get_memory_rtx): New function.
	(expand_builtin): Call get_memory_rtx for MEM arguments to builtin
	string functions.

	* expmed.c (init_expmed): Initialize all elements of *_cost arrays.

	* optabs.c: Use gen_rtx_FOO (...) instead of gen_rtx (FOO, ...).
	* expr.c: Likewise.
	* explow.c: Likewise.
	* combine.c: Likewise.
	* reload1.c: Likewise.
	* gcse.c: Likewise.

Wed Jun 24 15:13:01 1998  Dave Brolley  <brolley@cygnus.com>

	* README.gnat: Add patch for new lang_decode_options interface.

Wed Jun 24 09:14:04 1998  Andrew MacLeod  <amacleod@cygnus.com>

	* except.c (start_catch_handler): Do nothing if EH is not on.

1998-06-24  Manfred Hollstein  <manfred@s-direktnet.de>

	* configure.in (gxx_include_dir): Initialize default value depending on
	new flag --enable-version-specific-runtime-libs; remove superfluous
	default initialization afterwards.
	* configure: Regenerate.

Wed Jun 24 01:32:12 1998  David S. Miller  <davem@pierdol.cobaltmicro.com>

	* toplev.c (rest_of_compilation): Revert May 15 change.

Tue Jun 23 21:27:27 1998  Ken Raeburn  <raeburn@cygnus.com>

	* reload.c (find_reloads): Fix check for failure to match any
	alternative, to account for Mar 26 change in initial "best" cost.

Tue Jun 23 16:44:21 1998  Dave Brolley  <brolley@cygnus.com>

	* cpplib.c (do_line): Typo broke #line directive.
	(cpp_message_from_errno): New function.
	(cpp_error_from_errno): Call cpp_message_from_errno.
	* cpplib.h (cpp_message_from_errno): New function.

Tue Jun 23 13:38:18 1998  Andrew MacLeod  <amacleod@cygnus.com>

	* libgcc2.c (__get_eh_table_version, __get_eh_table_language): New
	functions to return exception descriptor information.
	(find_exception_handler): Pass match_info field to runtime matcher,
	not a descriptor table entry.

Tue Jun 23 09:30:58 1998  Dave Love  <d.love@dl.ac.uk>

	* cpp.texi, gcc.texi: Add @dircategory, @direntry meant to
	accompany previous Makefile.in (install-info) change.

Tue Jun 23 10:06:07 1998  Andrew MacLeod  <amacleod@cygnus.com>

	* eh-common.h (struct __eh_info): Remove coerced value field.
	* libgcc2.c (find_exception_handler): Don't set coerced_value field.
	* except.c (get_dynamic_handler_chain, get_dynamic_cleanup_chain): Use
	POINTER_SIZE instead of Pmode.
	(expand_start_all_catch): Call start_catch_handler() if we are not
	using new style exceptions.

Tue Jun 23 06:45:00 1998  Catherine Moore  <clm@cygnus.com>

	* varasm.c (assemble_variable): Remove reference to warn_bss_align.

Mon Jun 22 23:57:31 1998  David S. Miller  <davem@pierdol.cobaltmicro.com>

	* config/sparc/sparc.md (zero_extendhidi2, extendhisi2,
	extendqihi2, extendqisi2, extendqidi2, extendhidi2, adddi3,
	subdi3, negdi2, call, call_value, untyped_return, nonlocal_goto,
	splits and peepholes): Change remaining generic gen_rtx calls to
	specific genrtl ones.
	* config/sparc/sparc.c: Likewise.
	
Mon Jun 22 22:21:46 1998  Richard Henderson  <rth@cygnus.com>

	* gcc.c (handle_braces): Recognize | between options as an or.

Mon Jun 22 23:13:47 1998  John Wehle  (john@feith.com)

	* i386/freebsd-elf.h (JUMP_TABLES_IN_TEXT_SECTION): Define as flag_pic.
	* i386/sysv4.h (JUMP_TABLES_IN_TEXT_SECTION): Define as flag_pic.

	* i386.md (exception_receiver): Define.

Mon Jun 22 12:01:48 1998  Jim Wilson  <wilson@cygnus.com>

	* Makefile.in (PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME,
	PROTOIZE_CROSS_NAME, UNPROTOIZE_CROSS_NAME): New variables.
	(install-common): Use them.

	* gcse.c (add_label_notes): New function.
	(pre_insert_insn): Call it.
	* unroll.c (unroll_loop): Look for insns with a REG_LABEL note, and
	pass the label to set_label_in_map.