fsfchangelog

GCC

	* reload.c (find_reloads): If no_input_reloads, abort if 
	reloads were made for addresses.
	* m68k.md (sxx): Operand 0 cannot be memory.

Fri Jul 17 07:31:04 1998  Andreas Schwab  <[e-mail]>

	* m68k.c (output_move_simode_const): Use subl to move 0 into addr reg.
	(output_move_[hq]imode): Likewise.

	* m68k.md (extend[sd]fxf2): Accept constants and general reg as
	source operand if the destination is a floating point register.

Fri Jul 17 07:23:49 1998  Herman ten Brugge <[e-mail]>

	* reorg.c (check_annul_list_true_false): New function.
	(steal_delay_list_from_{target,fallthrough}): Call it and also
	refine tests for when we may annul if already filled a slot.
	(fill_slots_from_thread): Likewise.
	(delete_from_delay_slot): Return newly-created thread.
	(try_merge_delay_isns): Use its new return value.

Sat Jul  4 11:07:33 1998  Eberhard Mattes  <[e-mail]>

	* function.c (assign_parms): Handle PARALLEL which include stack.

Sat Jul  4 09:44:29 1998  Paul Edwards  <[e-mail]>

	* tree.c, print-tree.c, c-lang.c: Include stdio.h before tree.h.
	* expr.c (bc_expand_component_address): Correct args to
	bc_push_offset_and_size.
	* reload1.c (reload_cse_simplify_operands): Add missing return value.

Fri Jul  3 07:17:19 1998  Richard Kenner  <[e-mail]>

	* alpha.c (normal_memory_operand): Handle case when REG will be
	eliminated by reload.

Thu Jul  2 18:43:53 1998  James Carlson  <[e-mail]>
 
	* floatlib.c (HIDDEND_LL, MANTD_LL, PACKD_LL): New macros.
	(__addsf3): Fixed cases returning wrong type and causing unintended
	conversions and data corruption.
	(__mulsf3): Fixed rounding flaws caused wrong scaling.
	(__float{didf,sisf,disf},__fix{,uns}dfdi): New functions.
	(__{gt,ge,lt,le,eq,ne}df2): Likewise.
	(__truncdfsf2): Fixed normalization problems
	(__fixunsdfsi): Fixed compiler warning
	(__{add,sub,mul}df3): Rewrite to do real DP math.
	(__divdf3): Removed previous version by Barrett Richardson.

Thu Jul  2 17:57:20 1998  Douglas B. Rupp  <[e-mail]>

	* cpperror.c: Include errno.h.

Thu Jul  2 16:46:36 1998  Andreas Schwab  <[e-mail]>

	* c-decl.c (grokdeclarator): Don't warn about implicit int in
	`typedef foo = bar'.

Tue Jun 30 18:32:49 1998  Geert Bosch  <[e-mail]>

	* alpha/vxworks.h (LINK_SPEC): Add -taso -T 0.

Tue Jun 30 09:39:32 1998  David Edelsohn  <[e-mail]>

	* expr.c (expand_builtin_{set,long}jmp): If STACK_SAVEAREA_MODE
	defined, override sa_mode using its value.
	* explow.c (emit_stack_save): Likewise.

	* rs6000/aix41.h (ASM_CPU_SPEC): Define relative to ASM_DEFAULT_SPEC.
	(CPP_CPU_SPEC): Define relative to CPU_DEFAULT_SPEC.
	* rs6000.c (processor_target_table, 620): Don't affect MASK_POWERPC64.
	(rs6000_override_options): Ignore flag_pic for AIX.
	(rs6000_immed_double_const): Delete.
	({reg_or_u_short,u_short_cint}_operand): Don't assume 32-bit CONST_INT.
	({non_logical_cint,logical}_operand): Likewise.
	(num_insns_constant): mask64_operand is 2 insns.
	(easy_fp_constant): Any CONST_DOUBLE_HIGH is okay for 64-bit.
	(mask_constant): HOST_WIDE_INT parameter.
	(non_and_cint_operand): Delete.
	({mask,and}64_operand): New functions.
	(function_arg{,_advance}): DImode arguments don't need special
	alignment when 64-bit.
	(setup_incoming_varargs): Reverse reg_size assignment.
	(print_operand): HOST_WIDE_INT second parameter.
	(print_operand, case 'B', 'S'): New cases.
	(print_operand, case 'M'): Fix typo in lossage string.
	(rs6000_stack_info): Reverse reg_size assignment.  Use total_raw_size
	to compute AIX push_p.  Use reg_size to compute {cr,lr}_save_offset.
	(rs6000_output_load_toc_table): Reverse init_ptr assignment.  Use
	TARGET_64BIT not TARGET_POWERPC64.  Convert fprintf to fputs.
	Load GOT highpart, don't add it.  Add lowpart with {cal|la}.
	(rs6000_allocate_stack_space): Use {cal|la}.
	(output_epilog): Use {cal|la}
	(output_function_profiler): Add call glue to mcount call.
	Load GOT highpart, don't add it.  Add lowpart with {cal|la}.
	Use asm_fprintf and convert fprintf to fputs.

	* rs6000.h (TARGET_SWITCHES): Add powerpc64.
	(STACK_BOUNDARY): Depend on TARGET_32BIT.
	(ADJUST_FIELD_ALIGN): Calculate array alignment using innermost type.
	(CONST_OK_FOR_LETTER_P): Don't assume 32-bit CONST_INT.
	(EXTRA_CONSTRAINTS): Remove 'S' and 'T'.  Replace 'S' with
	64-bit mask operand.
	(RS6000_SAVE_TOC): Depend on TARGET_32BIT.
	(STACK_SAVEAREA_MODE): New macro.
	(LEGITIMATE_CONSTANT_P): DImode okay for 64bit.
	(RTX_COSTS, AND/IOR/XOR): Reflect current machine description.
	(ASM_FILE_START): Emit 64-bit ABI directive.
	(ASM_DECLARE_FUNCTION_NAME): Align CSECT on doubleword in 64-bit mode.
	(ASM_OUTPUT_SPECIAL_POOL_ENTRY): DImode okay for 64-bit.
	(PREDICATE_CODES): Add "and64_operand" and "mask64_operand".
	Delete "non_and_cint_operand".  "input_operand" includes CONST_DOUBLE.

	* rs6000.md (iorsi3, xorsi3): Use HOST_WIDE_INT for mask.
	Restore define_split.
	(floatsidf2, floatunssidf2): Remove !TARGET_POWERPC64 final constraint.
	(floatsidf2_internal, floatunssidf2_internal2): Likewise.
	Do not specify base register operand mode.
	(floatsidf2_loadaddr): Don't specify base register operand mode.
	(floatsidf2_store1, floatsidf2_store2): Operand 1 must be base
	register; do not specify mode.  Remove !TARGET_POWERPC64 final
	constraint.
	(floatsidf2_load): Don't specify base register operand mode.
	Remove !TARGET_POWERPC64 final constraint.
	(fix_truncdfsi2_internal, fix_truncdfsi2_{store,load}): Don't specify
	base register operand mode.
	(mulsidi3): Add !TARGET_POWERPC64 constraint.
	(adddi3): Split large constants early.
	(absdi3): Shift by 63, not 31.
	(rotldi3): Add masking combiner patterns.
	(anddi3): Add rldic{r,l} masking.  Remove split of large constants.
	(iordi3, xordi3): Split large constants early.
	(movsi matcher): Remove S and T constraints.
	(movsf const_double): create SImode constant from TARGET_DOUBLE.
	(movdf_hardfloat32): Add default abort case.
	(movdf easy_fp_const): create DImode constant from TARGET_DOUBLE.
	(movdi): Remove 64-bit constant generator.  Try to convert
	CONST_DOUBLE to CONST_INT.  Handle TOC memory constants.
	(movdi_32): Add default abort case.
	(movdi_64): Add numerous ways to split 64-bit constants.
	Make catch-all define_split more optimal and never FAIL.
	(movti_ppc64): Add default abort case.
	(allocate_stack): Remove operand modes; use Pmode.
	(restore_stack_block): Remove operand modes.  Generate Pmode
	temporary.  Generate MEM and specify mode.
	(save_stack_nonlocal, restore_stack_nonlocal):  Generate Pmode
	temporary.  Save area is double Pmode.
	(call_indirect_aix64, call_value_indirect_aix64): New patterns.
	(call, call_value): Do not specify address operand mode.  Choose
	appropriate AIX ABI.
	(*call_local64, *ret_call_local64): New patterns.
	(*call_nonlocal_aix64, *ret_call_nonlocal_aix64): New patterns.
	(*ret_call_nonlocal_aix32): Use call_value_indirect for REG.
	(compare): Materialize DImode truthvalues.

Tue Jun 30 06:31:40 1998  Richard Henderson <[e-mail]>

	* alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Add '`'.
	* alpha.c (print_operand): Handle it.
	* alpha.md (fix_truncdfsi2, fix_truncsfsi2): New patterns and
	related define_splits.

Tue Jun 30 06:02:07 1998  Richard Kenner  <[e-mail]>

	* calls.c (emit_library_call{,_value}): Pass null
 	to REG_PARM_STACK_SPACE.

	* alpha.c (normal_memory_operand): New function.
	* alpha.h (EXTRA_CONSTRAINT, case 'Q'): Call it.

	* fold-const.c (count_cond): New function.
	(fold): Don't try to build COND_EXPR from binary op when both sides
	are COND_EXPR unless not nested too deeply.

Thu Jun 25 09:54:55 1998  Nick Clifton  <[e-mail]>

	* arm.h (REG_ALLOC_ORDER): Add ARG_POINTER_REGNUM, noticed by
	[e-mail].

Mon Jun 15 17:41:33 1998  Richard Kenner  <[e-mail]>

	* reload1.c (reload): Issue guidance message on stack frame too large
	for reliable stack check.

	* fold-const.c (fold_range_test): Prevent falling through with no ret.

Sat Jun 13 15:49:53 1998  Carol LePage  <[e-mail]>

	* configure.in (sparc-hal-solaris2*): New target.
	* sparc/hal.h, sparc/t-halos: New files.

Sat Jun 13 14:30:25 1998  David W. Schuler  <[e-mail]>

	* i386/aix386ng.h (CPP_SPEC): Remove bogus quote.

Sat Jun 13 14:16:34 1998  Andreas Schwab  <[e-mail]>

	* regmove.c (try_auto_increment): Fix typo.

	* c-common.c (truthvalue_conversion): Protect side effects in the
	expression when splitting a complex value.
	* fold-const.c (fold): Likewise.

	* expr.c (do_jump, case EQ_EXPR, NE_EXPR): When comparing complex
	prevent operands from being evaluated twice.

Sat Jun 13 12:53:22 1998  Richard Earnshaw ([e-mail])

	* unroll.c (verify_addresses): Use validate_replace_rtx to undo 
	changes; abort if undo fails.

Sat Jun 13 11:46:38 1998  Anders Blomdell <[e-mail]>

	* flags.h (flag_volatile_static): Declare.
	* toplev.c (flag_volatile_static): Define.
	(f_options): Include -fvolatile-static.
	* varasm.c (make_decl_rtl): Support -fvolatile-static.

Sat Jun 13 08:26:21 1998  Richard Kenner  <[e-mail]>

	* reload1.c (reload_cse_regno_equal_p): If -ffloat-store, don't
	consider a MEM in FP mode as equal.

	* varasm.c (assemble_variable): Never put decl with specified section
	name into bss.

	* output.h (current_function_addresses_labels): Declare.
	* function.h (struct function): New field `addresses_labels'.
	* function.c (current_function_addresses_labels): Define.
	({push,pop}_function_context): Save/restore it.
	(init_function_start): Initialize it.
	* rtl.h (FUNCTION_FLAGS_ADDRESSES_LABELS): New flag.
	* expr.c (expand_expr, case LABEL_DECL): Show addresses labels.
	* integrate.c (function_cannot_inline_p): Can't if addresses labels.
	(initialize_for_inline): Save current_function_addresses_labels.
	(output_inline_function): Restore it.

	* reload.c (find_reloads, case 'o'): All reloaded addresses
	are offsettable.
	(find_reloads_address): If replacing address, don't return 1.

	* profile.c (output_func_start_profiler): Add missing steps in
	defining function.

Fri Jun 12 17:10:16 1998  Richard Kenner  <[e-mail]>

	* m68k.md (extendqidi2): Operand 1 must be in data register.

Tue Jun  9 07:24:01 1998  Richard Kenner  <[e-mail]>

	* cccp.c (handle_directive): If -dM, also include #undef.
	* cpplib.c (handle_directive): Likewise.

	* calls.c (expand_call): Allow function pointer to be a REFERENCE_TYPE.

	* function.c (assign_parms): Use proper mode for location of arg
	on stack when promotions are occurring.

	* regmove.c ({next,prev}_insn_for_regmove): Properly handle end of
 	function.

Mon Jun  8 15:26:49 1998  Juha Sarlin <[e-mail]>

	* h8300.c (get_shift_alg): Add special cases for shifts of 8 and 24.

Mon Jun  8 14:40:02 1998  John Wehle  ([e-mail])

	* i386.md (movsf_push, movsf_mem): Remove.
	(movsf_push): Rename from movsf_push_nomove and move in front of
	movsf; allow memory operands during and after reload.
	(movsf_push_memory): New pattern.
	(movsf): Don't bother checking for push_operand.  If TARGET_MOVE and
	both operands refer to memory then force operand[1] into a register.
	(movsf_normal): Change to unnamed pattern.
	Likewise for movdf, movxf, and friends.

Mon Jun  8 13:18:04 1998  Martin v. Loewis  <[e-mail]>

	* Makefile.in (TREE_H): Add tree-check.h.
	(tree-check.h, s-check, gencheck): New targets.
	(STAGESTUFF): Add s-check.
	* gencheck.c: New file.
	* tree.c (tree_check, tree_class_check, expr_check): New functions.
	* tree.h (TREE_CHECK, TREE_CLASS_CHECK): Define.
	(TYPE_CHECK, DECL_CHECK): Define.
	Modify all access macros to use generated checking macros.
	* acconfig.h (ENABLE_CHECKING): Undefine.
	* configure.in (--enable-checking): New option.

Mon Jun  8 12:13:25 1998  Richard Kenner  <[e-mail]>

	* regmove.c: Remove include for varargs or stdarg.

Mon Jun  8 07:49:41 1998  Andris Pavenis   <[e-mail]>

	* gcc.c (link_command_spec): Support LINK_COMMAND_SPEC.

Sun Jun  7 18:00:28 1998  Andreas Schwab  <[e-mail]>

	* fold-const.c (fold, case EQ_EXPR): When folding VAR++ == CONST
	or VAR-- == CONST construct a proper mask if VAR is a bitfield.
	Cope with CONST being out of range for the bitfield.

Sun Jun  7 17:19:35 1998  Tom Quiggle  <[e-mail]>

	* mips/iris6.h (DWARF2_FRAME_INFO): Define.
	* dwarf2out.c (dwarf2out_do_frame): Do something if DWARF2_FRAME_INFO.

Sun Jun  7 15:29:04 1998  Andreas Schwab  <[e-mail]>

	* regmove.c: New file.
	* Makefile.in (OBJS): Add regmove.o.
	(regmove.o): New rules.
	(mostlyclean): Remove regmove dumps.