Commit Graph

593 Commits

Author SHA1 Message Date
Jeff Law
c5c7673583 Merge in gcc2-ss-010999
From-SVN: r29150
1999-09-06 23:49:18 -06:00
Richard Henderson
d7db664650 Makefile.in (stor-layout.o): Depend on ggc.h.
* Makefile.in (stor-layout.o): Depend on ggc.h.
	(expr.o): Depend on ggc.h.
	(profile.o): Depend on ggc.h.
	(stor-layout.o): Depend on ggc.h.
	* emit-rtl.c (init_emit_once): Add gc roots.
	* expr.c: Include ggc.h.
	(emit_block_move): Add gc roots.
	(clear_storage): Likewise.
	* expr.h (init_stor_layout_once): New function.
	* profile.c: Include ggc.h.
	(init_arc_profiler): profiler_label is a root.
	* scan.c (make_sstring_space): Trust xrealloc to function
	correctly with first parameter NULL.
	* stor-layout.c: Include ggc.h.
	(set_sizetype): Add gc root.
	(init_stor_layout_once): New function.
	* toplev.c (compile_file): Call it.

Co-Authored-By: Bernd Schmidt <bernds@cygnus.co.uk>
Co-Authored-By: Mark Mitchell <mark@codesourcery.com>

From-SVN: r29122
1999-09-05 03:49:52 +00:00
Richard Henderson
e2bef702d6 dwarf2out.c (dwarf2out_line): Constify `lastfile'.
* dwarf2out.c (dwarf2out_line): Constify `lastfile'.
        * except.c (expand_rethrow): Remove unused variable.
        * expr.c (do_jump_by_parts_greater_rtx): Likewise.
        * flow.c (replace_insns): Likewise.
        (create_edge_list, verify_edge_list): Likewise.
        * gcse.c (cprop_cc0_jump): Protect declaration with HAVE_cc0.

        * genemit.c (gen_expand): Only emit `operands[N]' decl if there
        is special code to run.
        (main): Don't define operands to emit_operand.
        * genrecog.c (main): Don't emit an empty peephole2_insn function.

        * rtl.h (NOTE_BASIC_BLOCK): Use X0BBDEF.

        * alpha/alpha.h (normal_memory_operand): Declare.
        (reg_no_subreg_operand): Declare.
        * alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use HOST_WIDE_INT_PRINT_DEC.

From-SVN: r29061
1999-09-02 10:29:25 -07:00
Nathan Sidwell
2ac84cfe01 expr.c (expand_expr): Cope with COND_EXPRs with one non-returning branch.
* expr.c (expand_expr): Cope with COND_EXPRs with one
	non-returning branch.

From-SVN: r28825
1999-08-24 16:49:12 -04:00
Mark Mitchell
1da93fe012 expr.c (store_expr): Always pass down the target, even when not doing CSE.
* expr.c (store_expr): Always pass down the target, even when not
	doing CSE.

From-SVN: r28824
1999-08-24 18:09:10 +00:00
Jeffrey A Law
d60eaeffd5 expr.c (convert_move): Fix arguments to TRULY_NOOP_TRUNCATION call.
* expr.c (convert_move): Fix arguments to TRULY_NOOP_TRUNCATION
        call.

From-SVN: r28818
1999-08-24 02:48:27 -06:00
Bernd Schmidt
b30f05db01 Combined compare & jump infrastructure
From-SVN: r28752
1999-08-18 17:51:27 +00:00
Bernd Schmidt
49ad7cfa7a Include function.h in most files.
Include function.h in most files.  Remove most of the global variables
duplicated in function.h.  Add accessor macros for them which access
current_function.  Delete INLINE_HEADER rtx and related code, replace
with code using struct function to store inlining related data.

From-SVN: r28626
1999-08-09 14:00:21 +00:00
Jim Wilson
7c4a6db023 Allow PARALLEL return value for complex type represented as a CONCAT.
* expr.c (emit_group_load): Allow src to be a CONCAT.

From-SVN: r28546
1999-08-05 19:30:39 -07:00
Jason Merrill
2a94e396c6 * expr.c (expand_expr, case PLUS_EXPR): Fix parallel case, too.
From-SVN: r28511
1999-08-04 16:32:26 -04:00
Jason Merrill
a5efcd6370 expr.c (expand_expr, [...]): Get the mode from the tree for op1, not the rtl.
* expr.c (expand_expr, case PLUS_EXPR): Get the mode from the
	tree for op1, not the rtl.

From-SVN: r28292
1999-07-27 06:23:05 -04:00
Richard Henderson
d3707adb79 builtins.c (expand_builtin_saveregs): Remove static, remove exp and ignore arguments, bail if no EXPAND_BUILTIN_SAVEREGS.
* builtins.c (expand_builtin_saveregs): Remove static, remove exp
        and ignore arguments, bail if no EXPAND_BUILTIN_SAVEREGS.
        (expand_builtin_next_arg): Accept ARGLIST not EXP.
        (stabilize_va_list): New function.
        (std_expand_builtin_va_start): New function.
        (expand_builtin_va_start): New function.
        (get_varargs_alias_set): New function.
        (std_expand_builtin_va_arg): New function.
        (expand_builtin_va_arg): New function.
        (expand_builtin_va_end): New function.
        (expand_builtin_va_copy): New function.
        (expand_builtin): Call them.
        * c-common.c (c_common_nodes_and_builtins): Build __builtin_va_list,
        __builtin_{varargs_start,stdarg_start,end,copy}.
        (build_va_arg): New function.
        * c-common.h (CTI_PTR_TYPE, ptr_type_node): Delete.
        (build_va_arg): Declare.
        * c-decl.c (ptr_type_node, va_list_type_node): New.
        * c-parse.gperf (__builtin_va_arg): New.
        * c-parse.in (VA_ARG): New token.
        (unary_expr): Recognize it.
        * expr.c (expand_expr): Expand VA_ARG_EXPR.
        * expr.h (std_expand_builtin_va_start): Declare.
        (std_expand_builtin_va_arg): Declare.
        (expand_builtin_va_arg): Declare.
        (get_varargs_alias_set): Declare.
        * tree.def (VA_ARG_EXPR): New.
        * tree.h (BUILT_IN_VARARGS_START): New.
        (BUILT_IN_STDARG_START, BUILT_IN_VA_END): New.
        (ptr_type_node, va_list_type_node): Declare.
        * tm.texi (EXPAND_BUILTIN_SAVEREGS): Kill unused ARGLIST argument.
        * m32r.h (EXPAND_BUILTIN_SAVEREGS): Likewise.
        * m88k.h, m88k.c: Likewise.
        * mn10300.h, mn10300.c: Likewise.
        * pa.h, pa.c: Likewise.
        * rs6000.h, rs6000.c: Likewise.
        * sh.h, sh.c: Likewise.
        * sparc.h, sparc.c: Likewise.

        * emit-rtl.c (operand_subword): Copy alias set.
        (change_address): Likewise.

From-SVN: r28243
1999-07-25 18:21:03 -07:00
Bernd Schmidt
28f4ec01e9 Break out builtin function expansion from expr.c
From-SVN: r28217
1999-07-22 11:04:58 +00:00
Jeff Law
7f401c745e Duh. INTVAL only wants the rtx, not an operand #.
From-SVN: r28072
1999-07-12 14:20:10 -06:00
Jeff Law
3ea744b25b * expr.c (expand_expr): Fix thinko in last change.
From-SVN: r28069
1999-07-12 11:25:20 -06:00
Jeff Law
ae2591ab41 Remove redundant definition of constant_part that slipped through.
From-SVN: r28067
1999-07-12 07:35:07 -06:00
Jeffrey A Law
cbbc503edd expr.c (expand_expr, [...]): Pass constants through immed_double_const to ensure they are properly truncated...
* expr.c (expand_expr, case PLUS_EXPR): Pass constants through
        immed_double_const to ensure they are properly truncated then
        sign extended.

From-SVN: r28066
1999-07-12 07:30:40 -06:00
Jeffrey A Law
f3dc586a42 expr.c (emit_block_move): Use copy_to_mode_reg for !TARGET_MEM_FUNCTIONS case too.
* expr.c (emit_block_move): Use copy_to_mode_reg for
        !TARGET_MEM_FUNCTIONS case too.

From-SVN: r27862
1999-06-30 17:06:18 -06:00
Jeff Law
fe7bbd2ae6 Fix typos (missing commas) in last change
From-SVN: r27849
1999-06-30 01:02:03 -06:00
Jeff Law
4bc973aedd expr.c (emit_block_move): Properly handle case where one of the block move arguments has a queued...
�
        * expr.c (emit_block_move): Properly handle case where one of the
        block move arguments has a queued increment or decrement.
        (clear_storage): Similarly.  Fix formatting goof.

From-SVN: r27822
1999-06-28 18:42:41 -06:00
Gavin Romig-Koch
6ab46dffd6 expr.c (expand_expr): Allow RTL_EXPR's through the MAX_INTEGER_COMPUTATION_MODE checks.
* expr.c (expand_expr): Allow RTL_EXPR's through the
	MAX_INTEGER_COMPUTATION_MODE checks.

From-SVN: r27768
1999-06-25 08:28:35 +00:00
Jason Merrill
5f652c070f expr.c (expand_expr): STRIP_NOPS before checking against MAX_INTEGER_COMPUTATION_MODE
* expr.c (expand_expr): STRIP_NOPS before checking against
	MAX_INTEGER_COMPUTATION_MODE
	(check_max_integer_computation_mode): Likewise.

From-SVN: r27715
1999-06-22 20:49:46 -04:00
Jim Wilson
3dbecef9bc Fix for abort when PROMOTE_MODES defined but PROMOTE_FUNCTION_{ARG,RETURN} not.
* expr.c (store_expr): When target is a promoted subreg, return a
	promoted subreg as a result.

From-SVN: r27705
1999-06-22 07:39:07 -07:00
Mark Mitchell
c15398de77 tree.def (TYPE_NONCOPIED_PARTS): Revise documentation to match reality.
* tree.def (TYPE_NONCOPIED_PARTS): Revise documentation to match
        reality.
        * expr.c (init_noncopied_parts): Don't generate initializers for
        parts that don't need them.

From-SVN: r26969
1999-05-17 07:21:14 +00:00
Craig Burley
41af162ca7 disable maintenance of errno
From-SVN: r26897
1999-05-12 00:38:14 -04:00
Mark Mitchell
5c7a310f81 emit-rtl.c (start_sequence): Expand comments.
* emit-rtl.c (start_sequence): Expand comments.
	(start_sequence_for_rtl_expr): Likewise.
	(push_to_sequence): Likewise.
	(end_sequence): Likewise.
	* expr.c (inhibit_defer_pop): Likewise.
	* expr.h (inhibit_defer_pop): Likewise.
	(NO_DEFER_POP): Likewise.
	(OK_DEFER_POP): Likewise.

From-SVN: r26704
1999-04-29 23:01:29 +00:00
Zack Weinberg
76bbe0281d expr.c (emit_move_insn_1): Abort if MODE argument is invalid.
1999-04-27 08:32 -0400  Zack Weinberg  <zack@rabi.columbia.edu>
	* expr.c (emit_move_insn_1): Abort if MODE argument is invalid.
	(compare): Punt if TREE_OPERAND (exp, 0) is an ERROR_MARK.

From-SVN: r26673
1999-04-27 05:34:43 +00:00
Mumit Khan
6a9c4aed1a function.c (put_var_into_stack): Change ptr_mode to Pmode in setup for chkr_set_right_libfunc calls.
* function.c (put_var_into_stack): Change ptr_mode to Pmode
        in setup for chkr_set_right_libfunc calls.
        (assign_params): Likewise.
        * expr.c (emit_push_insn): Change ptr_mode to Pmode in
        setup for chkr_copy_bitmap_libfunc and chkr_set_right_libfunc calls.
        (expand_assignment): Change ptr_mode to Pmode in
        setup for chkr_add_libfunc and chkr_copy_bitmap_libfunc.
        (store_expr): Change ptr_mode to Pmode in
        setup for chkr_add_libfunc and chkr_copy_bitmap_libfunc.
        (expand_expr): Change ptr_mode to Pmode in
        setup for chkr_check_addr_libfunc.
        (expand_builtin): Change ptr_mode to Pmode in
        setup for chkr_check_str_libfunc, chkr_copy_bitmap_libfunc and
        chkr_check_addr_libfunc.
        * calls.c (rtx_for_function_call): Change ptr_mode to Pmode in
        setup for chkr_check_exec_libfunc.
        (expand_call): Change ptr_mode to Pmode in
        setup for chkr_set_right_libfunc.
        (expand_call): Change ptr_mode to Pmode in
        setup for chkr_set_right_libfunc.
        (store_one_arg): Change ptr_mode to Pmode in
        setup for chkr_set_right_libfunc.

Co-Authored-By: Donn Terry <donn@interix.com>

From-SVN: r26664
1999-04-26 16:51:09 -06:00
Donn Terry
ab40f61225 * expr.c (expand_assignment): Improve test for pointer type.
From-SVN: r26634
1999-04-25 18:39:01 -06:00
Donn Terry
6419e5b063 expr.c (expand_assignment): Force pointers to proper mode if POINTERS_EXTEND_UNSIGNED is defined.
* expr.c (expand_assignment): Force pointers to proper mode if
        POINTERS_EXTEND_UNSIGNED is defined.

From-SVN: r26484
1999-04-15 16:52:22 -06:00
Jeffrey A Law
efd07ca794 expr.c (expand_expr, [...]): Do not try to optimize a aggregate address which has VOIDmode.
* expr.c (expand_expr, case ARRAY_REF, COMPONENT_REF, BIT_FIELD_REF):
        Do not try to optimize a aggregate address which has VOIDmode.
        Mirrors March 23 change to expand_assignment.

From-SVN: r26307
1999-04-08 19:35:36 -06:00
Richard Henderson
d22cba0ade expr.c (expand_builtin): Use copy_to_mode_reg; don't force constants into a register.
* expr.c (expand_builtin) [BUILT_IN_RETURN_ADDRESS]: Use
        copy_to_mode_reg; don't force constants into a register.

From-SVN: r26231
1999-04-06 19:14:06 -07:00
Richard Henderson
89c846727b expr.c (expand_builtin_setjmp): Put setjmp return label on nonlocal_goto_handler_labels for flow.
* expr.c (expand_builtin_setjmp): Put setjmp return label on
        nonlocal_goto_handler_labels for flow.

From-SVN: r26225
1999-04-06 15:10:24 -07:00
Michael Hayes
6e01bd94f8 tm.texi (USE_LOAD_POST_DECREMENT, [...]): Document.
* tm.texi (USE_LOAD_POST_DECREMENT, USE_LOAD_PRE_DECREMENT,
	USE_STORE_POST_DECREMENT, USE_STORE_PRE_DECREMENT): Document.
	(USE_LOAD_POST_INCREMENT, USE_LOAD_PRE_INCREMENT,
	USE_STORE_POST_INCREMENT, USE_STORE_PRE_INCREMENT): Fix documentation.
	* rtl.h	(USE_LOAD_POST_DECREMENT, USE_LOAD_PRE_DECREMENT,
	USE_STORE_POST_DECREMENT, USE_STORE_PRE_DECREMENT,
	USE_LOAD_POST_INCREMENT, USE_LOAD_PRE_INCREMENT,
	USE_STORE_POST_INCREMENT, USE_STORE_PRE_INCREMENT): Provide default
	definition.
	* expr.c: (USE_LOAD_POST_INCREMENT, USE_LOAD_PRE_INCREMENT,
	USE_STORE_POST_INCREMENT, USE_STORE_PRE_INCREMENT): Delete default
	definition.

From-SVN: r26134
1999-04-02 15:39:55 +00:00
Jim Wilson
6ab06cbb5b Fix irix6 libstdc++ v3 build failure with complex types.
* expr.c (store_field): When check direct_store, assume all complex
	modes can be directly stored.

From-SVN: r26104
1999-04-01 04:05:24 -08:00
Jeffrey A Law
9a7b9f4f06 expr.c (expand_assignment): Do not try to optimize a aggregate address which has VOIDmode.
* expr.c (expand_assignment): Do not try to optimize a aggregate
        address which has VOIDmode.

From-SVN: r25934
1999-03-23 15:33:35 -07:00
Martin v. Löwis
68557e1473 * expr.c (expand_expr): Handle ERROR_MARK much earlier.
From-SVN: r25864
1999-03-19 14:26:50 +00:00
Kaveh R. Ghazi
91813b2835 Warning fixes:
* calls.c (initialize_argument_information): Mark parameters
        `num_actuals' and `n_named_args' with ATTRIBUTE_UNUSED.
        * dbxout.c (dbxout_start_new_source_file): Likewise for parameter
        `filename'.
        (dbxout_finish): Likewise for parameters `file' and `filename'.
        (dbxout_prepare_symbol): Likewise for parameter `decl'.
        (dbxout_begin_function): Likewise.
        * explow.c (hard_function_value): Likewise for parameter `func'.
        * function.c (locate_and_pad_parm): Likewise for parameter `fndecl'.
        * expmed.c (expand_divmod): Omit unused argument to `expand_abs'.
        * expr.c (expand_expr): Likewise.
        * expr.h (expand_abs): Delete unused argument from prototype.
        * optabs.c (expand_abs): Remove unused parameter `unsignedp'.
        * sdbout.c (sdbout_init): Mark parameter `syms' with ATTRIBUTE_UNUSED.
        (sdbout_end_block): Likewise for parameter `n'.
        * toplev.c (debug_define): Likewise for parameters `lineno' and
        `buffer'.
        (debug_undef): Likewise.
        * varasm.c (named_section): Likewise for parameter 'reloc'.
        (assemble_external): Likewise for parameter `decl'.
        (assemble_alias): Likewise for parameter `target'.

From-SVN: r25858
1999-03-19 08:50:14 +00:00
Jeffrey A Law
6bcd94ae80 expr.c (expand_expr): Allow a CALL_EXPR with a mode wider than MAX_INTEGER_COMPUTATION_MODE.
* expr.c (expand_expr): Allow a CALL_EXPR with a mode wider than
        MAX_INTEGER_COMPUTATION_MODE.

From-SVN: r25714
1999-03-11 17:02:32 -07:00
Per Bothner
b335b813b5 tree.def (TRY_FINALLY_EXPR, [...]): New tree nodes,
h
	* tree.def (TRY_FINALLY_EXPR, GOTO_SUBROUTINE_EXPR):  New tree nodes,
	* expr.c (expand_expr):  Support new tree nodes.

From-SVN: r25308
1999-02-19 03:19:30 -08:00
Jeffrey A Law
c5d5d46141 except.c (start_catch_handler): Use emit_cmp_and_jump_insns.
* except.c (start_catch_handler): Use emit_cmp_and_jump_insns.
        * explow.c (probe_stack_range): Likewise.
        * expmed.c (do_cmp_and_jump): Likewise.
        * expr.c (store_expr, expand_expr, expand_builtin): Likewise.
        (do_tablejump): Likewise.
        * stmt.c (expand_expr_stmt, expand_end_case): Likewise.
        (do_jump_if_equal, emit_case_nodes): Likewise.
        * optabs.c (emit_cmp_and_jump_insns): Clarify comments.  If UNSIGNEDP,
        then convert comparison to an unsigned code before emitting the jump.
        (expand_float, expand_fix): Use emit_cmp_and_jump_insns.

From-SVN: r25205
1999-02-14 13:08:39 -07:00
Richard Henderson
acd693d10c output.h (current_function_has_computed_jump): Rename from current_function_addresses_labels.
* output.h (current_function_has_computed_jump): Rename from
        current_function_addresses_labels.
        * function.h (struct function): Likewise for addresses_labels member.
        * rtl.h (FUNCTION_FLAGS_HAS_COMPUTED_JUMP): Likewise.
        * function.c (current_function_has_computed_jump): Likewise.
        Update all references.
        * integrate.c (function_cannot_inline_p):
        Test current_function_has_computed_jump instead of addresses_labels.
        (initialize_for_inline): Likewise save.
        (output_inline_function): Likewise restore.
        * expr.c (expand_expr): Don't reference addresses_labels variables.
        * stmt.c (expand_computed_goto): Set has_computed_jump.

From-SVN: r25100
1999-02-08 13:39:33 -08:00
Jeffrey A Law
ab87f8c8d1 Merge in gcc2 snapshot 19980929. See gcc/ChangeLog and gcc/FSFChangeLog for
details.

From-SVN: r24879
1999-01-26 18:43:17 -07:00
Andrew MacLeod
15914757c6 * expr.c (emit_push_insn): Fix Dumb Typo.
From-SVN: r24811
1999-01-21 20:50:56 +00:00
Andrew MacLeod
fbe1758db2 expr.c (MOVE_BY_PIECES_P): Define condition for deciding to use move_by_pieces.
* expr.c (MOVE_BY_PIECES_P): Define condition for deciding to use
	move_by_pieces.
	(MOVE_MAX_PIECES): Define maximum number of bytes to move at once.
	(USE_LOAD_POST_INCREMENT, USE_LOAD_PRE_DECREMENT): Define defaults.
	(USE_STORE_POST_INCREMENT, USE_STORE_PRE_DECREMENT): Define defaults.
	(move_by_pieces): Use new macros.
	(emit_block_move): Use new macros.
	(clear_by_pieces): Use new macros.
	(clear_storage): Use new macros.
	(emit_push_insn): Use new macros.
	(expand_expr): Use new macros.
	* config/sh/sh.h (USE_LOAD_POST_INCREMENT, USE_LOAD_PRE_DECREMENT):
	Define.
	(USE_STORE_POST_INCREMENT, USE_STORE_PRE_DECREMENT): Define.
	(MOVE_BY_PIECES_P): Define based on alignment and TARGET_SMALLCODE.
	(MOVE_MAX_PIECES): move 8 bytes on SH4.
	* tm.texi(MOVE_BY_PIECES_P, MOVE_MAX_PIECES, USE_LOAD_POST_INCREMENT,
	USE_LOAD_PRE_DECREMENT, USE_STORE_POST_INCREMENT,
	USE_STORE_PRE_DECREMENT): Describe new macros.

From-SVN: r24801
1999-01-21 11:33:44 +00:00
Richard Henderson
ee5332b81a cse.c (fold_rtx): Revert 29 Dec change.
* cse.c (fold_rtx): Revert 29 Dec change.
        (cse_insn): Revert 12 Jan change.
        * expr.c (expand_builtin): Don't emit CONST around CONSTANT_P_RTX.
        * regclass.c (reg_scan_mark_refs): Revert 29 Dec change.
        * rtl.def: Likewise.
        * rtl.h (CONSTANT_P): Likewise.
        * expr.c (emit_move_insn): Never try to flush CONSTANT_P_RTX
        to memory.
        * recog.c (immediate_operand): Accept CONSTANT_P_RTX.
        * alpha.c (input_operand): Likewise.
        * c4x.c (const_operand): Likewise.
        * explow.c (allocate_dynamic_stack_space): Use register_operand
        instead of arith_operand, which does not exist.
        * 1750a.h: Fix comment closure.
        * a29k.c (a29k_set_memflags): Fix typo in 19 Jan change.
        * arc.md (one_cmplsi2_set_cc_insn): Fix set mode mismatch.
        * arm.h (TARGET_SWITCHES): Fix typo.
        * i370.md (anon mult and div patterns): Fix set mode mismatch.
        * i860.c (output_delayed_branch): Fix operands to constrain_operands.
        (output_delay_insn): Likewise.
        * m88k.md (anon rotate insns): Fix set mode mismatch.
        (anon BLKmode moves): Commonize and fix set mode mismatches.
        * ns32k.md (udivmoddi[shq]i4_internal): Fix mode mismatch.
        * romp.md (movdf): Fix typo.

From-SVN: r24796
1999-01-20 18:21:28 -08:00
Richard Henderson
70f8a7a13f Update comment to match code.
From-SVN: r24785
1999-01-20 01:15:00 -08:00
Richard Henderson
d804ed43d0 expr.c (do_jump_for_compare): Handle conditional branch expanders emitting multiple jump instructions.
* expr.c (do_jump_for_compare): Handle conditional branch expanders
        emitting multiple jump instructions.
        * jump.c (condjump_label): New function.
        * rtl.h (condjump_label): Declare it.

From-SVN: r24773
1999-01-19 13:30:48 -08:00
Richard Henderson
c14c652997 expr.c (emit_move_insn_1): Revert 17 Dec change.
* expr.c (emit_move_insn_1): Revert 17 Dec change.  Don't emit
        clobber during or after reload.

From-SVN: r24772
1999-01-19 13:11:00 -08:00
Mark Mitchell
c6df88cbec rtl.h (rtx_def): Update documentation.
* rtl.h (rtx_def): Update documentation.
	(MEM_IN_STRUCT_P): Likewise.
	(MEM_SCALAR_P): New macro.
	(MEM_COPY_ATTRIBUTES): Likewise.
	(MEM_SET_IN_STRUCT_P): Likewise.
	* rtl.texi (MEM_SCALAR_P): Document.
	* alias.c (canon_rtx): Use MEM_COPY_ATTRIBUTES.
	(fixed_scalar_and_varying_struct_p): New function.  Use
	MEM_SCALAR_P rather than !MEM_IN_STRUCT_P.
	(aliases_everything_p): Likewise.
	(true_dependence): Use them.
	(write_dependence_p): New function, containing code common to
	anti_dependence and output_dependence.
	(anti_dependence): Use it.
	(output_dependence): Likewise.
	* calls.c (save_fixed_argument_area): Don't clear
	MEM_IN_STRUCT_P.
	(expand_call): Use MEM_SET_IN_STRUCT_P.
	(emit_library_call): Don't clear MEM_IN_STRUCT_P.
	(emit_library_call_value): Likewise.
	(store_one_arg): Use MEM_SET_IN_STRUCT_P.
	* combine.c (simplify_rtx): Use MEM_COPY_ATTRIBUTES.
	(make_extraction): Likewise.
	(simplify_shift_const): Likewise.
	(gen_lowpart_for_combine): Likewise.
	* cse.c (gen_lowpart_if_possible): Use MEM_COPY_ATTRIBUTES.
	* emit-rtl.c (operand_subword): Likewise.
	(change_address): Likewise.
	* explow.c (stabilize): Use MEM_COPY_ATTRIBUTES.
	* expr.c (protect_from_queue): Use MEM_COPY_ATTRIBUTES.
	(emit_group_store): Use MEM_SET_IN_STRUCT_P.
	(copy_blkmode_from_reg): Likewise.
	(store_field): Likewise.
	(expand_expr): Remove bogus guesswork setting MEM_IN_STRUCT_P
	heuristically.  Use MEM_SET_IN_STRUCT_P.
	(get_memory_rtx): Likewise.
	* final.c (alter_subreg): Use MEM_COPY_ATTRIBUTES.
	* function.c (assign_stack_temp): Clear MEM_SCALAR_P and
	MEM_ALIAS_SET on newly returned MEMs.
	(assign_temp): Use MEM_SET_IN_STRUCT_P.
	(put_reg_into_stack): Likewise.
	(fixup_var_refs1): Use MEM_COPY_ATTRIBUTES.
	(gen_mem_addressof): Use MEM_SET_IN_STRUCT_P.
	(assign_parms): Likewise.
	(expand_function): Likewise.
	* integrate.c (expand_inline_function): Likewise.
	(copy_rtx_and_substitute): Use MEM_COPY_ATTRIBUTES.
	* loop.c (note_addr_stored): Remove check on MEM_IN_STRUCT_P.
	* optabs.c (gen_move_insn): Use MEM_COPY_ATTRIBUTES.
	* print-rtl.c (print_rtx): Print /f for frame_related.
	* recog.c (validate_replace_rtx_1): Use MEM_COPY_ATTRIBUTES.
	* reload1.c (reload): Copy MEM_SCALAR_P as well.
	* stmt.c (expand_decl): Use MEM_SET_IN_STRUCT_P.
	(expand_anon_union_decl): Use MEM_COPY_ATTRIBUTES.
	* varasm.c (make_decl_rtl): Use MEM_SET_IN_STRUCT_P.
	(output_constant_def): Likewise.
	* a29k.c (a29k_set_memflags_1): Take scalar_p.
	Set MEM_SCALAR_P.
	(a29k_set_memflags): Use it.
	* alpha.c (get_aligned_mem): Use MEM_COPY_ATTRIBUTES.
	* c4x.c (c4x_scan_for_ld): Likewise.
	* h8300.c (fix_bit_operand): Likewise.
	* m88k.c (legitimize_address): Likewise.
	(block_move_loop): Likewise.
	(block_move_no_loop): Likewise.
	(block_move_sequence): Likewise.
	(m88k_builtin_saveregs): Use MEM_SET_IN_STRUCT_P.
	* mips/abi64.h (SETUP_INCOMING_VARARGS): Likewise.
	* rs6000.c (expand_block_move_insn): Use MEM_COPY_ATTRIBUTES.
	* sh.c (sh_builtin_saveregs): Use MEM_SET_IN_STRUCT_P.
	* arm.h (arm_gen_load_multiple): Take scalar_p.
	(arm_store_load_multiple): Likewise.
	* arm.c (arm_gen_load_multiple): Likewise.
	(arm_gen_store_multiple): Likewise.
	(arm_gen_movstrqi): Treat MEM_SCALAR_P like MEM_IN_STRUCT_P.

From-SVN: r24759
1999-01-19 10:32:33 +00:00