1 Fri Feb 11 02:51:56 2000 Pavel Roskin <pavel_roskin@geocities.com>
3 * invoke.texi (PPC Options): -mno-new-mnenomics -> -mold-mnemonics.
5 Fri Feb 11 02:48:30 2000 Brad Lucier (lucier@math.purdue.edu)
7 * sbitmap.h: Make SBITMAP_ELT_BITS unsigned.
9 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11 * config/c4x/c4x.c (fp_zero_operand): Check for CONST_DOUBLE.
13 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15 * config/c4x/c4x.h (ASM_GLOBALIZE_LABEL): Use c4x_global_label.
16 (ASM_OUTPUT_EXTERNAL): Use c4x_external_ref.
17 (ASM_OUTPUT_EXTERNAL_LIBCALL): Likewise.
18 (ASM_FILE_END): Use c4x_file_end.
19 * config/c4x/c4x.c (c4x_global_label): New function.
20 (c4x_external_ref, c4x_file_end): Likewise.
22 * config/c4x/c4x-protos.h (c4x_global_label): Add prototype.
23 (c4x_external_ref, c4x_end_file): Likewise.
25 2000-02-10 Zack Weinberg <zack@wolery.cumb.org>
27 * cppexp.c: Don't include cpphash.h.
28 (parse_charconst, cpp_lex): Use cpp_defined.
29 (cpp_lex): Use get_directive_token throughout. Remove
30 unnecessary cases from switch. Move assertion-handling code
32 (cpp_parse_expr): If we see '+' or '-', check the context to
33 determine if they are unary or binary operators. Streamline
34 the jumps a bit. Do not call skip_rest_of_line.
36 * cpplib.c: Make skip_rest_of_line and cpp_skip_hspace
37 static. Export get_directive_token. Update commentary.
38 (cpp_defined): New function.
39 (do_define): Remove reference to T_PCSTRING. Call
40 free_definition to release memory for old definition, when
42 (eval_if_expression): Set only_seen_white to 0 before calling
43 cpp_parse_expr. Call skip_rest_of_line after it returns.
44 (cpp_read_check_assertion): Don't preserve a pointer into the
45 token buffer across a call to cpp_get_token.
47 * Makefile.in (cppexp.o): Don't depend on cpphash.h.
48 * cppfiles.c (redundant_include_p): Use cpp_defined.
49 * cpphash.c (free_definition): New function.
50 (delete_macro): Use it. Update commentary.
51 * cpphash.h: Typedef HASHNODE here. Prototype cpp_lookup and
53 * cpplib.h: Don't typedef HASHNODE here. Delete T_PCSTRING
54 from enum node_type. Prototype cpp_defined and get_directive_token.
55 Don't prototype cpp_lookup, skip_rest_of_line, or cpp_skip_hspace.
57 * fix-header.c (check_macro_names): Use cpp_defined.
58 (read_scan_file): Set inhibit_warnings and inhibit_errors in
59 the options structure.
61 2000-02-10 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
63 * c-pragma.c (maximum_field_alignment): Remove duplicate declaration.
65 2000-02-10 Jason Merrill <jason@casey.cygnus.com>
67 * dwarf2out.c (add_abstract_origin_attribute): Check TREE_CODE (origin)
68 rather than die->die_tag.
70 Thu Feb 10 16:26:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
72 * combine.c (make_extraction, force_to_mode): Avoid warning on
73 mixed-signedness conditionals.
74 (make_field_assignment, nonzero_bits): Likewise.
75 * expmed.c (store_fixed_bit_field): ALIGN arg now unsigned.
76 (store_split_bit_field, extract_split_bit_field): Likewise.
77 (extract_fixed_bit_field, store_bit_field,
78 * expr.c: Change alignment to be unsigned everywhere.
79 (move_by_pieces, store_constructor_field, store_constructor):
80 Alignment parm is unsigned.
81 (emit_block_move, emit_group_load, emit_group_store): Likewise.
82 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
83 (do_compare_rtx_and_jump): Likewise.
84 (move_by_pieces_ninsns, clear_by_pieces): Likewise.
85 Compare align with GET_MODE_ALIGNMENT.
86 (expand_expr_unaligned): Pointer to alignment is pointer to unsigned.
87 (get_inner_reference): Likewise.
88 (copy_blkmode_from_reg, emit_push_insn): Remove unneeded casts.
89 (expand_assignment): Local vars for alignment now unsigned.
90 (store_constructor, store_field, expand_expr, do_jump): Likewise.
91 (do_compare_and_jump): Likewise.
92 (store_field): Call new function expr_align.
93 * expr.h (emit_block_move, emit_group_load, emit_group_store):
94 Alignment arg now unsigned.
95 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
96 (do_compare_rtx_and_jump, store_bit_field): Likewise.
97 (extract_bit_field): Likewise.
98 * fold-const.c (add_double): Add cast to eliminate signedness warning.
99 * machmode.h (GET_MODE_ALIGNMENT): Result is unsigned.
100 (get_best_mode): Alignment arg is unsigned.
101 * rtl.h (move_by_pieces): Likewise.
102 * store-layout.c (maximum_field_alignment, set_alignment):
104 (layout_decl): Alignment arg is now unsigned.
105 Remove unneeded casts.
106 (layout_record, layout_union, layout_type): Remove unneeded casts.
107 Local alignment variables now unsigned.
108 (get_best_mode): Alignment arg now unsigned.
109 * tree.c (expr_align): New function.
110 * tree.h (expr_align): Likewise.
111 (maximum_field_alignment, set_alignment): Now unsigned.
112 (get_inner_reference): Alignment argument is now pointer to unsigned.
113 * varasm.c (assemble_variable): Add cast to eliminate warning.
115 Thu Feb 10 12:56:47 2000 Jim Wilson <wilson@cygnus.com>
117 * expmed.c (store_bit_field): If op0 and fieldmode are the same size,
118 then store directly into op0.
120 * calls.c (expand_call): When emitting a NOTE_INSN_SETJMP, search for
121 the CALL_INSN, and emit the note immediately after it.
123 2000-02-10 Nick Clifton <nickc@cygnus.com>
125 * config/arm/thumb.md (epilogue): Include a (return) in the
126 generated insn, and emit it using emit_jump_insn not
129 Thu Feb 10 18:28:59 MET 2000 Jan Hubicka <jh@suse.cz>
131 * function.c (assign_temp): Change zero-sized arrays to size 1.
132 * integrate.c (expand_inline_function): Do not update
133 stack_alignment_needed
134 * i386.c (compute_frame_size): Remove #ifdef PREFERRED_FRAME_BOUNDARY,
135 add some sanity checking, remove optimization for function with
138 2000-02-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
140 * flow.c (mark_regs_live_at_end): Delete unused variables.
142 * ggc-page.c (ggc_page_print_statistics): bzero -> memset.
144 * integrate.c (copy_rtx_and_substitute): Wrap variable `alignment'
145 in macro FRAME_GROWS_DOWNWARD.
147 * stmt.c (expand_end_bindings): Delete unused variable.
149 * unroll.c (iteration_info): Mark parameter `loop' with
152 2000-02-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
154 * fixinc/server.c (load_data): Return NULL if the marker line is
156 (run_shell): If load_data returns NULL, retry the command once, in
159 * configure: Rebuilt.
161 2000-02-09 Bruce Korb <bkorb@gnu.org>
163 * gcc/fixincludes: ** DELETED **
164 * gcc/fixcpp: ** DELETED **
165 * gcc/fixinc-nt.sed: ** DELETED **
166 * gcc/just-fixinc: ** DELETED **
167 * gcc/Makefile.in: Removed out-dated commentary
168 * gcc/configure.in: Removed fast-fixincludes disablement.
169 * MAINTAINERS(Ian Taylor) moved to "Write after approval" group.
171 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
172 * function.c (thread_prologue_and_epilogue_insns): Uncomment
175 2000-02-09 Richard Henderson <rth@cygnus.com>
177 * jump.c (delete_insn): Don't delete user labels at -O0.
179 2000-02-09 Robert Lipe <robertl@sco.com>
181 * Makefile.in (gen-protos): Don't depend on HOST_LIBDEPS.
182 Don't link with HOST_LIBS.
184 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
186 * configure.in: Correct --help text for --with-dwarf2.
187 Put tm-dwarf2.h after other tm files, if it's requested.
188 * configure: Regenerate.
189 * config/tm-dwarf2.h: #undef PREFERRED_DEBUGGING_TYPE before
192 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
194 * cpplib.h: Provide HASHNODE typedef and forward decl of
195 struct hashnode only. Kill cpp_hashnode typedef. MACRODEF,
196 DEFINITION, struct hashnode, struct macrodef, struct
197 definition, scan_decls prototype, default defn of
198 INCLUDE_LEN_FUDGE moved elsewhere.
200 * cpphash.h: MACRODEF, DEFINITION, struct macrodef, struct
201 definition, and struct hashnode moved here. Remove the unused
202 'predefined' field from struct definition. Replace the 'args'
203 union with its sole member. All users updated (cpphash.c).
204 Delete HASHSTEP and MAKE_POS macros, and hashf prototype. Add
205 multiple include guard.
207 * cpphash.c (hashf): Make static; use better algorithm; drop
208 HASHSIZE parameter; return an unsigned int.
209 (cpp_lookup): Drop HASH parameter. PFILE parameter is
210 used. Calculate HASHSIZE modulus here.
211 (cpp_install): Drop HASH parameter. Calculate HASHSIZE modulus
213 (create_definition): Drop PREDEFINITION parameter.
214 * cpplib.c (do_define): Don't calculate a hash value here.
215 Don't pass (keyword == NULL) to create_definition.
217 * scan.h: Prototype scan_decls here.
218 * cppfiles.c: Move INCLUDE_LEN_FUDGE default defn here.
219 * cppexp.c, cppfiles.c, cppinit.c, cpplib.c, fix-header.c: All
220 callers of cpp_lookup and cpp_install updated.
222 * cpphash.c (macarg): Hoist all the flag diddling out of the
224 (macroexpand): ... and out of the loop that calls macarg.
225 Skip over the initial paren before macro arguments with
226 cpp_get_non_space_token; point may be some distance before
227 that paren. Abort if it's not there.
229 * cpplib.c (parse_clear_mark): Delete function.
230 (parse_set_mark, parse_goto_mark): Make static.
231 (ACTIVE_MARK_P): New macro.
232 (skip_block_comment, skip_line_comment): Do not bump the line
233 if ACTIVE_MARK_P is true.
234 (cpp_pop_buffer): The buffer to be popped may not have an
236 (cpp_get_token): When looking for the initial paren before
237 macro arguments, only set a mark in a file buffer, Always
238 return to that mark before proceeding to call macroexpand or
241 * cpplib.h: Remove prototypes of parse_set_mark,
242 parse_clear_mark, parse_goto_mark.
243 (struct cpp_options): Rename 'put_out_comments' to
244 'discard_comments' and invert its sense.
245 * cppinit.c, cpphash.c, cpplib.c: All users of
246 put_out_comments changed to use discard_comments, with
249 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
251 * function.c (thread_prologue_and_epilogue_insns): Don't delete
252 the edge from a block that both jumps and falls through to the
255 2000-02-09 Scott Bambrough <scottb@netwinder.org>
257 * config/arm/arm.md (movsi): In PIC mode, make sure that a
258 constant source address is legitimate.
260 2000-02-09 Philip Blundell <pb@futuretv.com>
262 * config/arm/arm.c (legitimize_pic_address): Handle LABEL_REF
265 * config/arm/arm.h (LEGITIMATE_CONSTANT_P): Allow anything when
267 (LEGITIMATE_PIC_OPERAND): Disallow references to labels.
269 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
271 * cpplib.c (cpp_define, cpp_undef): Make sure the stacked buffer
272 ends with a newline and a NUL. Don't be so clever manipulating
275 Wed Feb 9 14:18:08 MET 2000 Jan Hubicka <jh@suse.cz>
277 * reload1.c (reload) Align stack frame to cfun->stack_alignment_needed,
278 not to BIGGEST_ALIGNMENT.
280 2000-02-08 Geoff Keating <geoffk@cygnus.com>
282 * dwarf2.h (DW_CFA_GNU_negative_offset_extended): New constant.
283 * dwarf2out.c (dwarf_cfi_name): Print name of new constant.
284 (reg_save): Use DW_CFA_GNU_negative_offset_extended when needed.
285 (output_cfi): Handle output of DW_CFA_GNU_negative_offset_extended.
286 * frame.c (execute_cfa_insn): Handle
287 DW_CFA_GNU_negative_offset_extended.
289 2000-02-08 Richard Henderson <rth@cygnus.com>
291 * flow.c (tidy_fallthru_edges): Split out from ...
292 (delete_unreachable_blocks): ... here.
293 (find_basic_blocks): Use it.
295 Tue Feb 8 15:51:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
297 * stmt.c (expand_decl): Do set RTX_UNCHANGING_P for TREE_READONLY.
299 2000-02-08 Zack Weinberg <zack@wolery.cumb.org>
301 * Makefile.in (GEN_PROTOS_OBJS): Remove libcpp.a.
302 (gen_protos.o): Don't depend on cpplib.h or cpphash.h.
303 (fix-header.o): Don't depend on cpphash.h.
305 * scan.c (hashstr): New function.
306 * scan.h: Prototype it.
307 * fix-header.c: Don't include cpphash.h. Use hashstr.
308 * gen-protos.c: Don't include cpphash.h or cpplib.h. Use
309 hashstr. Report hash table statistics. Add private
310 definition of xrealloc.
312 2000-02-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
314 * i386.h (TARGET_SWITCHES): Fix typo in option name.
316 2000-02-08 Clinton Popetz <cpopetz@cygnus.com>
318 * function.c (thread_prologue_and_epilogue_insns): Don't replace
319 jumps with returns unless they are jumps to the fallthru block.
321 Tue Feb 8 07:53:55 2000 Jan Hubicka <jh@suse.cz>
323 * i386.md (addqi3_cc): Fix contraints.
325 Tue Feb 8 01:39:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
327 * function.c (emit_return_into_block): Wrap in #ifdef HAVE_return.
329 2000-02-07 Mark Mitchell <mark@codesourcery.com>
331 * cpplib.c (cpp_get_token): Call CPP_BUMP_LINE after reading a
332 carriage return after a macro name.
334 2000-02-07 Fred Fish <fnf@be.com>
336 * i386/beos-elf.h: (ASM_IDENTIFY_GCC): Define to nothing
337 so the gcc2_compiled symbol doesn't confuse BeOS debuggers.
339 2000-02-07 Zack Weinberg <zack@wolery.cumb.org>
341 * cppfiles.c (deps_output): Count spacers in deps_column.
343 2000-02-07 Neil Booth <NeilB@earthling.net>
345 * cppinit.c (initialize_dependency_output): If there is no
346 suffix, don't try to look for known suffixes. Use strrchr.
347 (cpp_start_read): Remove duplicate initialization.
349 Mon Feb 7 18:36:41 MET 2000 Jan Hubicka <jh@suse.cz>
351 * calls.c (compute_argument_block_size): New argument
352 preferred_stack_boundary.
353 (expand_call): update cfun->preferred_stack_boundary, update call of
354 compute_argument_block_size
355 (emit_library_call): Increate cfun->preferred_stack_boundary
356 to PREFERRED_STACK_BOUNDARY
357 (emit_library_call_value): Likewise.
358 * explow.c (allocate_dynamic_stack_spave): Likewise.
359 * function.c (prepare_function_start): Set
360 cfun->preferred_stack_boundary
361 * function.h (struct function): Add preferred_stack_boundary field.
362 * integrate.c (expand_inline_function): Update
363 cfun->preferred_stack_boundary and cfun->stack_alignment_needed.
364 (copy_rtx_and_substitute): Align frame to stack_alignment_needed only.
365 * i386.c (compute_frame_size): Use cfun->preferred_stack_boundary.
367 2000-02-06 Zack Weinberg <zack@wolery.cumb.org>
369 * cpplib.c (my_strerror, cpp_error, cpp_error_with_line,
370 cpp_error_from_errno, cpp_warning, cpp_warning_with_line,
371 cpp_pedwarn, cpp_pedwarn_with_line,
372 cpp_pedwarn_with_file_and_line): Move to cpperror.c.
373 (cpp_print_file_and_line, v_cpp_error, v_cpp_warning,
374 v_cpp_error_with_line, v_cpp_warning_with_line,
375 cpp_message_from_errno, cpp_perror_with_name): Delete.
377 * cpperror.c (cpp_print_containing_files): Take starting
379 (cpp_file_line_for_message): Rename to cpp_print_file_and_line.
380 (v_cpp_message): Now called directly by all entry points.
382 (cpp_pfatal_with_name, cpp_message): Delete.
383 (cpp_notice_from_errno, cpp_ice): New functions.
384 (cpp_notice): Is now for reporting error conditions, just
385 without an associated file.
386 (cpp_error, cpp_error_with_line): Don't do anything if
387 opts->inhibit_errors is on.
388 (cpp_pedwarn_with_file_and_line): Take column argument also.
390 * cpplib.h: Update prototypes of exported functions.
391 (struct cpp_options): Add inhibit_errors.
393 * cppalloc.c, cppfiles.c: Use fprintf not cpp_notice for
394 non-error messages. Include intl.h.
396 * cppinit.c, cppmain.c: Likewise. Also, use
397 cpp_notice_from_errno instead of cpp_perror_with_name or
398 cpp_pfatal_with_name, and cpp_notice instead of cpp_message.
400 * cppexp.c, cpphash.c, cppinit.c, cpplib.c: Use cpp_ice to
401 report internal errors.
403 * cpplib.c (do_define): Switch bcopy to memcpy.
404 Give cpp_pedwarn_with_file_and_line a dummy column argument.
406 * cpplib.c (copy_rest_of_line): Revert previous change: don't
407 bail out early if we hit a line comment.
409 2000-02-06 Richard Henderson <rth@cygnus.com>
411 * flow.c (flow_delete_insn, make_edge, remove_edge): Export.
412 * basic-block.h: Declare them.
413 * emit-rtl.h (active_insn_p): New.
414 (next_active_insn, prev_active_insn): Use it.
416 * function.c (emit_return_into_block): New.
417 (thread_prologue_and_epilogue_insns): Insert return insns instead
418 of epilogues when possible.
419 * jump.c (jump_optimize_1): Remove code to insert a return insn
420 on the fallthru to the exit block.
422 * i386.c (ix86_can_use_return_insn_p): Fail for large poped args
423 and for non-empty stack frames.
424 * i386.md (return): Expand to return-pop as needed.
426 2000-02-06 Richard Henderson <rth@cygnus.com>
428 * simplify-rtx.c (simplify_relational_operation): Canonicalize
429 constant to op1 for testing.
431 2000-02-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
433 * config/c4x/c4x.md (*ldi_on_overflow): New pattern.
434 (fixuns_truncqfqi2): Use it.
436 2000-02-06 Richard Henderson <rth@cygnus.com>
438 * i386.c (ix86_agi_dependant): Handle pro_epilogue_adjust_stack
441 * i386.md (widening and peepholes): Mask the constant instead of
444 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
446 * cppfiles.c (read_and_prescan) [case SPECCASE_QUESTION]: Bump
447 input pointer before possibly branching off to the backslash
449 * cpphash.c (macroexpand): Correctly delete \r escapes when
450 stringifying parameters.
451 * cpplib.c (copy_rest_of_line): Go directly to skip_block_comment
452 if we can; bail out early if we hit a line comment.
453 (handle_directive): Treat '# 123' in an .S file just like
454 '# <punctuation>'. Discard the shifted '#' if we hit '#\n'.
455 Return 1 for '# not_a_directive'.
456 (get_directive_token): Pop macro buffers here, so that
457 cpp_get_token can't sneakily move past a newline.
459 (cpp_get_token): goto randomchar if handle_directive returns 0.
461 * cppalloc.c: Update copyright.
462 * cpplib.c: Merge all the static function prototypes into one
464 * cpplib.h: Remove #if 0 block.
466 * cpperror.c: Remove #ifdef EMACS block.
467 * cppmain.c: Likewise.
468 * cpphash.c: Remove #if 0 blocks.
469 * cppinit.c: Remove #if 0 blocks, and the -lint option.
470 * cpplib.c: Remove #if 0 blocks and code referencing
471 pcp_inside_if or for_lint. Remove duplicate error message.
472 Fix error messages for #else after #else or #elif. Reformat.
473 Remove archaic TODO list.
474 * cpplib.h: Remove pcp_inside_if and for_lint flags.
476 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
478 * i386/osf1elf.h: Add missing backslash to multiline string.
480 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
482 * longlong.h [sparc] (udiv_qrnnd): Avoid stringifying macro arg.
484 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
486 * Makefile.in (c-common.o): Depend on $(EXPR_H).
488 * c-common.c: Include expr.h.
490 * c-pragma.c (mark_align_stack): Add prototype.
492 * caller-save.c (add_stored_regs): Likewise.
494 * combine.c (record_promoted_value): Likewise.
496 * i386.c (ix86_sched_reorder_pentium, ix86_sched_reorder_ppro):
499 * cppinit.c (new_pending_define): Likewise.
501 * cpplib.c (skip_block_comment, skip_line_comment): Likewise.
503 * dwarf2out.c (save_rtx, splice_child_die, reverse_die_lists,
504 AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
505 AT_addr, AT_lbl, get_AT_ref, free_AT, free_die, local_scope_p,
506 class_scope_p): Likewise.
508 * dwarf2out.h (dwarf2out_set_demangle_name_func,
509 dwarf2out_add_library_unit_info): Likewise.
511 * ggc.h (ggc_page_print_statistics): Likewise.
513 * haifa-sched.c (propagate_deps): Likewise.
515 * reg-stack.c (next_flags_user, record_label_references): Likewise.
517 * rtl.h (set_stack_check_libfunc): Likewise.
519 * toplev.h (set_fatal_function): Likewise.
521 * toplev.c (set_fatal_function): Delete prototype.
523 * diagnostic.c: Deconstify functions returning malloc'ed ptrs.
525 2000-02-05 Geoff Keating <geoffk@cygnus.com>
527 * ginclude/ppc-asm.h (FUNC_START): Use USER_LABEL_PREFIX.
528 (FUNC_END): Likewise.
530 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
532 * caller-save.c: Include tm_p.h.
534 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
536 * Makefile.in (libgcc.a): Add $(LIBGCC1) to libgcc.a after $(LIBGCC2).
538 2000-02-04 Neil Booth <NeilB@earthling.net>
540 * cccp.c (main): Check 'dir' for a NULL pointer before passing
543 2000-02-04 Zack Weinberg <zack@wolery.cumb.org>
545 * recog.h: Remove NO_MD_PROTOTYPES ifdefs.
546 * genflags.c: Use the max_operand_1 logic from genemit.c to
547 calculate how many arguments gen_insn prototypes have. Remove
548 NO_MD_PROTOTYPES ifdefs from the generated file.
549 * genoutput.c: Don't define NO_MD_PROTOTYPES in the generated
550 file. Cast gen_insn initializers to insn_gen_fn.
551 * config/alpha/vms.h: Don't define NO_MD_PROTOTYPES.
552 * gcc.texi: Remove documentation of NO_MD_PROTOTYPES.
554 2000-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
556 * fixinc/Makefile.in (HDR): Add machname.h.
559 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
561 * config/c4x/c4x.h (c4x_compare_op0, c4x_compare_op1): Move ...
562 (c4x_regclass_map, c4x_caller_save_map, c4x_rpts_cycles): Ditto.
563 (c4x_cpu_version): Ditto.
564 * config/c4x/c4x-protos.h: ... here.
566 2000-02-04 Jason Merrill <jason@casey.cygnus.com>
568 * dwarf2out.c (add_abstract_origin_attribute): Don't call
569 gen_abstract_function on our context if we're a nested function.
571 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
573 * config/c4x/c4x.md (fixuns_truncqfqi2): Rewrite.
574 * config/c4x/libgcc.S (ufix_truncqfhi2n): Fix.
576 2000-02-04 Bruce Korb <bkorb@gnu.org>
578 * fixinc/genfixes(machname.h):
579 Move the functionality from gen-machine.h into this file.
580 UNdef MN_NAME_PAT if there are no names to change.
581 Also, be a little kinder when AutoGen is not present.
583 * fixinc/Makefile.in(machname.h):
584 Change the generation rule to use genfixes.
586 * fixinc/fixfixes.c(machine_name):
587 machine_name_fix's functionality now dependent upon whether
588 MN_NAME_PAT is defined.
590 * fixinc/fixtests.c(machine_name):
593 * fixinc/fixlib.c(mn_get_regexps): conditional on definition
596 * fixinc/fixlib.h(mn_get_regexps):
599 * fixinc/gen-machine.h: DELETED
601 2000-02-04 Jan Hubicka <jh@suse.cz>
602 Richard Henderson <rth@cygnus.com>
604 * i386.c (SAVE_REGS_FIRST): Remove.
605 (ix86_initial_elimination_offset): Handle only SAVE_REGS_FIRST mode.
606 (ix86_compute_frame_size): Likewise.
607 (ix86_expand_prologue): Likewise. Use pro_epilogue_adjust_stack.
608 (ix86_emit_restore_regs): Remove.
609 (ix86_emit_epilogue_esp_adjustment): Use pro_epilogue_adjust_stack
610 when a frame pointer is in use.
611 (ix86_expand_epilogue): Handle only SAVE_REGS_FIRST mode. Use mov
612 instead of pop to restore a register when profitable; emit leave
614 (ix86_attr_length_default): Handle pro_epilogue_adjust_stack
616 (ix86_adjust_cost): Handle pro_epilogue_adjust_stack as TYPE_ALU.
617 * i386.md (prologue_allocate_stack): Remove.
618 (epilogue_deallocate_stack): Remove.
619 (pro_epilogue_adjust_stack): New.
621 2000-02-04 Richard Henderson <rth@cygnus.com>
623 * function.c (diddle_return_value): Rework to use a callback function.
624 Use current_function_return_rtx if it's been set up.
625 (do_clobber_return_reg, clobber_return_register): New.
626 (do_use_return_reg, use_return_register): New.
627 (expand_function_end): Use them.
628 * stmt.c (expand_null_return): Likewise.
629 * function.h: Declare them.
630 * flow.c (mark_regs_live_at_end): Use diddle_return_value.
631 (mark_reg): Change arguments as appropriate for callback.
632 * integrate.c (expand_inline_function): Revert 19 Jan change.
634 Fri Feb 4 20:25:42 2000 Hans-Peter Nilsson <hp@bitrange.com>
636 * tm.texi (Values in Registers): Fix typo: "fo" "for".
637 (Misc): Say the scheduler, not the Haifa scheduler.
639 2000-02-04 Clinton Popetz <cpopetz@cygnus.com>
641 * jump.c (mark_jump_label): Add in_mem param, check SYMBOL_REFs
642 when in_mem is set. Update all callers.
644 2000-02-04 Richard Henderson <rth@cygnus.com>
646 * i386/openbsd.h (INT_ASM_OP): Define.
648 Fri Feb 4 10:51:30 2000 Hans-Peter Nilsson <hp@bitrange.com>
650 * tm.texi: Fix various typos.
652 Thu Feb 3 17:17:32 2000 Steve Ellcey <sje@cup.hp.com>
654 * config/pa/pa-hpux11.h (LIB_SPEC): Correct typo in !p case.
655 (MD_STARTFILE_PREFIX_1): New macro.
657 Thu Feb 3 15:08:13 MET 2000 Jan Hubicka <jh@suse.cz>
659 * i386.md (movstrsi, clrstrsi): Support variable sized copies, align
660 destination when needed.
661 (strmovsi, strsetsi): New expander.
662 (strmovsi_1, strsetsi_1): New pattern.
663 * i386.h (MASK_NO_ALIGN_STROP, MASK_INLINE_ALL_STROP,
664 TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS): New macros.
665 (TARGET_SWITCHES) Add align-stringops and inline-all-stringops.
666 * invoke.texi (align-stringops, inline-all-stringops): Document.
668 Wed Feb 2 23:04:47 2000 Krister Walfridsson <cato@df.lth.se>
670 * i386/netbsd.h (INT_ASM_OP): Define.
672 2000-02-02 Zack Weinberg <zack@wolery.cumb.org>
674 * cpplib.h (cpp_reader): Add new flag, no_directives.
675 * cpphash.c (macarg): Set it.
676 * cpplib.c (handle_directive): If no_directives is on and we
677 find a directive, issue an error and discard the line.
679 Wed Feb 2 13:07:10 2000 Jim Wilson <wilson@cygnus.com>
681 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Delete 'E' check for
682 FP constants. Add ! TARGET_FPU check for FP constants.
684 2000-02-02 Clinton Popetz <cpopetz@cygnus.com>
686 * flow.c (find_basic_blocks): Don't kill label_value_list
688 (cleanup_cfg): Kill it here.
690 Wed Feb 2 08:12:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
692 * expr.c (store_field): Ensure ALIGN is no stricter than the
695 2000-02-02 Richard Henderson <rth@cygnus.com>
697 * jump.c (delete_insn): Partially revert 19 Jan change;
698 don't convert unused code labels to notes at -O0.
700 2000-02-02 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
702 * toplev.c (rest_of_compilation): Run rebuild_jump_labels after
703 split_all_insns to recreate REG_LABEL notes for flow2 pass.
705 2000-02-01 Richard Henderson <rth@cygnus.com>
707 * i386.c (general_no_elim_operand): New.
708 (nonmemory_no_elim_operand): New.
709 (ix86_expand_move): Copy eliminable operands before a push.
710 * i386-protos.h: Declare new functions.
711 * i386.h (CAN_ELIMINATE): Simplify.
712 (PREDICATE_CODES): Update.
713 * i386.md (push insns): Don't allow eliminable register operands.
715 2000-02-01 Richard Henderson <rth@cygnus.com>
717 * flow.c (mark_regs_live_at_end): Follow expand_function_end and
718 replace BLKmode with DECL_RTL's mode.
720 2000-02-01 Zack Weinberg <zack@wolery.cumb.org>
722 * frame.c (find_fde): Convert for loop to do-while so compiler
723 sees it's always executed at least once.
724 * libgcc2.c (BBINBUFSIZE): Kill.
725 (__bb_init_prg): Use fgets.
726 (__bb_exit_trace_func): Don't paste strings.
727 * unroll.c (unroll_loop): Initialize unroll_type, not
728 unroll_number, and tweak logic to match.
730 * i386.c (ix86_expand_int_movcc): Add explicit 'return 0' in
732 (ix86_flags_dependant): Likewise. Disentangle control flow.
733 (ix86_sched_reorder): Break guts out to
734 ix86_sched_reorder_pentium and ix86_sched_reorder_ppro.
735 (ix86_sched_reorder_ppro): Initialize pair2 and insnp before
738 * i386.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Don't
739 use string concatenation. Don't save and restore esi.
741 * fixinc/Makefile.in (fixincl.sh): Don't depend on inclhack.def.
742 (machname.h): Remove script to separate file. Use two-step
743 sequence so target is not created if script fails.
744 * fixinc/gen-machname.h: New file. Handle case where no non-reserved
745 identifiers are defined.
746 * fixinc/fixlib.c (mn_get_regexps): Return a flag: if MN_NAME_PAT is
747 an empty string, machine_name doesn't need to do anything at
749 (is_cxx_header): Add more cases to regexp.
750 * fixinc/fixlib.h: Update prototype.
751 * fixinc/fixtests.c, fixinc/fixfixes.c: Update callers of
753 * fixinc/fixincl.c: Define NO_BOGOSITY.
755 * fixinc/inclhack.def (no_double_slash, else_endif_label): Ifdef out.
756 (hp_sysfile): Add missing comma.
757 (math_exception): Put the wrapper ifdefs at the beginning and
759 * fixinc/fixincl.x, fixinc/inclhack.sh: Regenerate.
761 2000-02-01 Richard Henderson <rth@cygnus.com>
763 * sparc.c (fp_zero_operand): Turn into a normal predicate.
764 Use CONST0_RTX. Update all callers.
765 * sparc.h, sparc-protos.h: Update accordingly.
766 * sparc.md (fp mov insns): Use fp_zero_operand directly
769 Wed Feb 2 02:59:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
771 * tm.texi (Values in Registers): Fix typo in HARD_REGNO_NREGS
774 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
776 * Makefile.in (specs.ready): New target.
777 (fixinc.sh): Depend on `specs.ready' instead of `specs'.
779 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
781 * fixinc.irix: Use unique filenames for writing into /tmp,
782 * fixinc.ptx: Likewise.
783 * fixinc.sco: Likewise.
784 * fixinc.svr4: Likewise.
785 * fixinc.winnt: Likewise.
787 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
789 * tsystem.h: New file.
791 * Makefile.in (libgcc2.a, stmp-multilib, crtbegin.o, crtend.o,
792 s-crtS): Depend on tsystem.h.
794 * crtstuff.c: Include tsystem.h.
796 * libgcc2.c: Likewise.
798 Tue Feb 1 19:53:27 CET 2000 Jan Hubicka <jh@suse.cz>
800 * builtins.c (expand_builtin_memset): Expand for variable sized
803 2000-02-01 David Billinghurst <David.Billinghurst@riotinto.com.au>
805 * config/mips/iris6.h (SUBTARGET_ASM_SPEC) : Default ISA based
808 Tue Feb 1 00:57:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
810 * dwarfout.c (SHORT_TYPE_SIZE): Correct default.
812 * tm.texi (Type Layout): Correct entry for CHAR_TYPE_SIZE.
814 2000-01-31 Chandra Chavva <cchavva@cygnus.com>
816 * combine.c (try_combine) [HAVE_cc0]: Trying to check the missed
817 case 3->2 combining (combining with splitting) in which 2 is CC0
818 setter/user and 3 is user. The rest of cases 2->1 and 3->2 are
819 checked at the begining of the function with the aid of calling
820 function 'can_combine_p'.
822 2000-01-31 Dave Brolley <brolley@redhat.com>
824 * cccp.c (struct argdata): Redeclare 'newlines' field as 'int'.
826 2000-01-31 Jason Merrill <jason@casey.cygnus.com>
828 * jump.c (redirect_jump): Move a NOTE_INSN_FUNCTION_END to the
831 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
833 * gansidecl.h (PROTO, VPROTO, PVPROTO): Delete macros.
835 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit):
838 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
840 * i386/386bsd.h, i386/beos-pe.h, i386/bsd386.h, i386/crtdll.h,
841 i386/cygwin.h, i386/dgux.h, i386/djgpp-rtems.h, i386/djgpp.h,
842 i386/freebsd.h, i386/gnu.h, i386/i386-aout.h, i386/i386-coff.h,
843 i386/i386-interix.h, i386/i386elf.h, i386/linux.h, i386/lynx-ng.h,
844 i386/lynx.h, i386/mach.h, i386/mingw32.h, i386/moss.h,
845 i386/netbsd.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
846 i386/ptx4-i.h, i386/rtems.h, i386/rtemself.h, i386/sco.h,
847 i386/sequent.h, i386/sun.h, i386/sysv4.h, i386/uwin.h, i386/vsta.h,
848 i386/vxi386.h, i386/win-nt.h, i386/win32.h:
849 Remove -Di386 -Acpu(i386) -Amachine(i386) from CPP_PREDEFINES.
851 * i386/osf1elf.h, i386/scodbx.h, i386/seq-sysv3.h, i386/sysv5.h:
852 Add %(cpp_cpu) to CPP_SPEC.
854 * i386/osf1elf.h, i386/osfelf.h, i386/osfrose.h:
855 Add %(cc1_cpu) to CC1_SPEC.
857 2000-01-28 Ulrich Drepper <drepper@redhat.com>
859 * c-decl.c (c_decode_option): Accept optional numeric argument to
860 -Wformat and set warn_format.
861 * c-common.c: Don't emit warning about non-constant printf format
862 string unless warn_format > 1.
864 2000-01-30 Richard Henderson <rth@cygnus.com>
866 * alpha.md (return_internal): Allow after reload only.
868 2000-01-30 Richard Henderson <rth@cygnus.com>
870 * i386.c (ix86_compute_frame_size): Omit padding1 if the
871 local frame size is zero.
873 2000-01-30 Richard Henderson <rth@cygnus.com>
875 * alpha.c (alpha_expand_epilogue): Don't emit the return insn.
876 * alpha.h (EPILOGUE_USES): New. Mark $26 live.
877 * alpha.md (return): Turn into an expander.
878 (return_internal): Don't use $26.
879 (epilogue): Emit the return insn.
881 2000-01-30 Richard Henderson <rth@cygnus.com>
883 * alpha.md (negtf2, abstf2): Fix word order thinko.
885 (trunctfsf2): Avoid intermediate rounding errors.
887 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
889 * cppfiles.c (find_position): Drop 'colp' argument, return the
891 (read_and_prescan): Adjust to match. Don't ever manipulate
892 line or line_base except via find_position.
894 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
896 * c-parse.in: Apply Ulrich's changes from c-parse.y.
897 * c-parse.y, objc/objc-parse.y, c-parse.c, objc/objc-parse.c:
900 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
902 * cpperror.c (cpp_file_line_for_message): If 'line' is zero,
903 just print "<command line>". If 'filename' is null or an
904 empty string, print "<stdin>" for the filename.
905 * cpplib.c (do_define): Don't print the 'location of the
906 previous definition' message if we're still parsing the
908 (cpp_pedwarn_with_file_and_line): Always call
909 cpp_file_line_for_message.
911 2000-01-29 Mark Mitchell <mark@codesourcery.com>
913 * flow.c (mark_regs_live_at_end): Fix typo.
915 2000-01-28 Ulrich Drepper <drepper@redhat.com>
917 * c-common.c: Adjust variable names, comments, help strings to c99.
919 * c-parse.y: Likewise.
920 * c-tree.h: Likewise.
922 * cpplib.h: Likewise.
923 * c-decl.c: Likewise. Recognize options with names "*99" as well.
924 * cppinit.c: Likewise.
926 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
928 * c4x.h (INIT_TARGET_OPTABS): Add all missing local optab entries.
929 * c4x.c: Define the optab rtx values.
930 (c4x_add_gc_roots): Add the ggc roots for these optab rtx values.
931 (c4x_emit_libcall): Use new optab rtx values.
932 (c4x_emit_libcall3): Likewise.
933 (c4x_emit_libcall_mulhi): Likewise.
934 * c4x-protos.h: Add prototypes for optab rtx values and change
935 prototypes for above c4x_emit_libcall functions.
937 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
939 * c4x.c (c4x_output_ascii): Restrict line length of output when TI
941 (c4x_function_prologue): Use regnames intead of float_reg_names when
943 (c4x_function_epilogue): Likewise.
944 (c4x_print_operand): Likewise.
945 * c4x.h (HOST_WIDE_INT_PRINT_HEX): Redefine.
946 * c4x.md (set_high): Disable for TARGET_TI.
948 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
950 * c4x.h (PREFERRED_RELOAD_CLASS): Change to restrict the reloading
951 of framepointer + constant to ADDR_REGS class.
952 * c4x.md (addqi3, addqi3_noclobber_reload): Update.
953 * c4x.c (std_or_reg_operand): New function.
954 * c4x-protos.h (std_or_reg_operand): Prototype it.
956 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
958 * t-c4x: Change qi,qf,di,df into si,sf,hi,hf to generate same
959 object names as libgcc2.c.
960 * libgcc.S: Use newly defined names.
962 Fri Jan 7 19:48:04 CET 2000 Jan Hubicka <jh@suse.cz>
963 * sbitmap.c (sbitmap_first_set_bit, sbitmap_last_set_bit): New
965 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit): Declare.
966 * basic_block.h (FLOW_LOOP_FIRST_BLOCK): New macro.
967 (FLOW_LOOP_LAST_BLOCK): Likewise.
969 2000-01-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
971 * basic-block.h (struct loop): New fields 'first' and 'last'.
972 * flow.c (flow_loops_find): Compute loop->first and loop->last.
973 (flow_loops_dump): Use loop->first to check for NOTE_INSN_LOOP_BEG
974 and loop->last to check for NOTE_INSN_LOOP_END.
976 Fri Jan 28 10:57:58 2000 Jason Eckhardt <jle@cygnus.com>
978 * predict.c (estimate_probability): Use the new FIRST and LAST fields
979 of the loop descriptor rather than HEADER and LATCH. Also added
980 missing break statements as well making some coding style modifications
981 as suggested by Michael Hayes.
983 2000-01-28 Richard Henderson <rth@cygnus.com>
985 * flow.c (find_basic_blocks): Remove do_cleanup argument.
986 Break out that code ...
987 (cleanup_cfg): ... here.
988 (commit_one_edge_insertion): Detect a return instruction being
989 emitted to an edge. Emit a barrier following; clear fallthru.
990 (commit_edge_insertions): Verify CFG consistency.
991 * function.c (expand_function_start): Kill unused variable.
992 (expand_function_end): Likewise.
993 (thread_prologue_and_epilogue_insns): Use insert_insn_on_edge
994 to insert the epilogue.
996 * gcse.c (gcse_main): Adjust for find_basic_blocks change.
997 (delete_null_pointer_checks): Likewise.
998 * output.h: Likewise.
999 * reg-stack.c (reg_to_stack): Likewise.
1000 * toplev.c (rest_of_compilation): Likewise. Run
1001 thread_prologue_and_epilogue_insns after rebuilding the CFG.
1003 2000-01-28 Richard Henderson <rth@cygnus.com>
1005 * Makefile.in (flow.o): Revert 24 Jan change.
1006 * flow.c (mark_regs_live_at_end): Likewise. Force BLKmode
1007 FUNCTION_VALUE result to DECL_RESULT's mode.
1009 * haifa-sched.c (schedule_insns): Don't recompute reg info
1012 2000-01-28 Zack Weinberg <zack@wolery.cumb.org>
1014 * configure.in: Make --enable-cpplib the default.
1015 * configure: Regenerate.
1016 * gcc.dg/990119-1.c: No longer expected to fail.
1018 2000-01-28 Bernd Schmidt <bernds@cygnus.co.uk>
1020 * jump.c (jump_optimize_1): Delete an optimization that is also done
1021 by merge_blocks in flow.
1023 2000-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1025 * diagnostic.c (build_message_string, output_printf,
1026 line_wrapper_printf): Add ATTRIBUTE_PRINTF_*.
1027 (build_location_prefix): Fix non-literal format string.
1029 2000-01-27 Richard Henderson <rth@cygnus.com>
1031 * alpha.md (trunctfsf2): New.
1033 2000-01-27 Andrew Hobson <ahobson@eng.mindspring.net>
1035 * configure.in (alpha-dec-osf5): Enable MASK_SUPPORT_ARCH.
1037 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
1039 * cppinit.c (cpp_handle_option): Recognize C++ comments under
1041 * cpplib.c (skip_block_comment, skip_line_comment): Split code
1043 (skip_comment) ... here. Permit C++ comments in system
1044 headers always. Warn about C++ comments in user code under
1045 -std=gnu89 -pedantic.
1046 (copy_comment): Use skip_comment.
1047 (cpp_skip_hspace, cpp_get_token): skip_comment can no longer
1049 (consider_directive_while_skipping, do_else, do_endif): Call
1050 validate_else unconditionally.
1051 (validate_else): Check CPP_PEDANTIC here. Accept non-comment
1052 text after the conditional in a system header.
1053 * cpplib.h (struct cpp_buffer): Add flag
1054 warned_cplusplus_comments.
1056 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
1058 * emit-rtl.c (unshare_all_rtl): Unshare virtual parameters too.
1059 Use unshare_all_rtl_1.
1060 (unshare_all_rtl_again): New function.
1061 (unshare_all_rtl_1): New function split out of unshare_all_rtl.
1063 * function.c (purge_addressof_1): Use unshare_all_rtl_again
1064 rather than resetting the 'used' flags ourself.
1066 * toplev.c (rest_of_compilation): Add current_function_decl
1067 to the unshare_all_rtl call.
1068 * tree.h: Prototype unshare_all_rtl.
1069 * rtl.h: Prototype unshare_all_rtl_again here.
1071 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
1073 * genoutput.c (output_prologue): Include ggc.h in generated
1075 * Makefile.in (insn-output.o): Depends on ggc.h.
1077 2000-01-27 Ian Dall <ian@sibyl.beware.dropbear.id.au>
1078 Hans-Peter Nilsson <hp@bitrange.com>
1080 * ns32k/xm-ns32k.h (memcpy, memset, memcmp): Delete.
1081 Remove redundant include of xm-ns32k.h.
1082 * ns32k/xm-genix.h (memcpy, memset, memcmp): Add definitions.
1083 Remove redundant include of xm-ns32k.h.
1084 * ns32k/xm-netbsd.h (memcpy, memset, memcmp): No longer undefine.
1085 Remove redundant include of xm-ns32k.h.
1086 * ns32k/netbsd.h (TARGET_DEFAULT): Enable multiply-add instructions.
1088 * ns32k/ns32k.h: Update comment on multiply-add instructions.
1089 (TARGET_SWITCHES): Add documentation strings.
1090 (DWARF_FRAME_REGNUM): Override default definition.
1091 (REG_CLASS_CONTENTS): Add comments.
1092 (SUBSET_P): Format to reduce line length.
1093 (SMALL_REGISTER_CLASSES): Make a run time option.
1094 (GO_IF_NONINDEXED_ADDRESS): Reformat.
1095 (GO_IF_LEGITIMATE_ADDRESS): Ensure that cfun is non NULL before
1096 dereferencing it. Braces to avoid "ambiguous else" were misplaced.
1097 (regclass_map): fix typo in comment.
1098 * ns32k/ns32k.c: Add spaces before parentheses for consistant style.
1099 Prefer gen_rtx_FOO(...) to gen_rtx(FOO,...).
1100 (trace, reg_or_mem_operand): Delete, unused function.
1101 (calc_address_cost): Small offsets are cheaper than large ones.
1102 (expand_block_move): Generate more efficient code when bytes is a
1103 known at compile time.
1104 * ns32k/ns32k.md: Alternate constraints for multiply-add instructions.
1105 (udivmodsi4, udivmodhi4, udivmodqi4): Use nonimmediate_operand
1106 instead of reg_or_mem_operand.
1108 * ns32k/ns32k.md: Use nonimmediate_operand or stricter for outputs,
1109 not general_operand. Similarly use "=rm" or stricter, not "=g".
1110 For input operands, use stricter constraints than "g" if not
1111 general_operand. Similarly use stricter predicate than
1112 "general_operand" when stricter constraints than "g" are present,
1113 except for matching constraints.
1114 (movstrsi): Use "memory_operand" for operands 0 and 1.
1115 (truncsiqi2, truncsihi2, trunchiqi2): Remove.
1116 (udivmoddisi4_internal): Use nonimmediate_operand for operand 0,
1117 not reg_or_mem_operand.
1118 (udivmoddisi4): Ditto.
1119 Use nonimmediate_operand for operand 1, not reg_or_mem_operand.
1120 Use nonimmediate_operand for operand 3, not register_operand.
1121 (udivmoddiqi4_internal): Use register_operand for operand 1, not
1124 2000-01-27 Fred Fish <fnf@be.com>
1126 * gthr-posix.h: Fix typo; compatibily -> compatibility.
1127 * gthr-single.h: Likewise.
1128 * gthr-solaris.h: Likewise.
1129 * gthr-vxworks.h: Likewise.
1130 * gthr-win32.h: Likewise.
1133 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
1135 * cppinit.c: Add " (cpplib)" to end of string printed by
1138 2000-01-27 Richard Henderson <rth@cygnus.com>
1140 * alpha.c (alpha_emit_conditional_move): Use VOIDmode when
1141 testing for a signed comparison.
1142 (alpha_emit_floatuns): New.
1143 * alpha-protos.h: Declare it.
1144 * alpha.md (floatunsdisf2, floatunsdidf2): New.
1145 (extendsfdf2): Tidy.
1147 2000-01-27 Jakub Jelinek <jakub@redhat.com>
1149 * config/sparc/linux64.h (CC1_SPEC): If compiling -m32 with -g but
1150 no -g option specifying debugging format, default to -gstabs+.
1152 Wed Jan 26 22:19:14 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1154 * calls.c (special_function_p): New argument fork_or_exec.
1155 (expand_call): When profile_arc_flag is set and the function
1156 is in the fork_or_exec group, call __bb_fork_func first.
1157 * libgcc2.c, _bb module (__bb_fork_func): New function.
1158 (__bb_exit_func): If fcntl F_SETLKW is available, use it to lock
1160 * config/svr4.h (TARGET_HAS_F_SETLKW): Define.
1161 * tree.h (special_function_p): Update prototype.
1163 2000-01-26 Richard Henderson <rth@cygnus.com>
1165 * alpha.c (alpha_split_tfmode_pair): New.
1166 * alpha-protos.h: Declare it.
1167 * alpha.md (abstf2, negtf2): New.
1168 (movtf insn): Add input G constraint.
1169 (movtf splitter): Use alpha_split_tfmode_pair.
1171 2000-01-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1173 * i386/cygwin.h: PROTO -> PARAMS.
1175 2000-01-26 Jakub Jelinek <jakub@redhat.com>
1177 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Handle
1178 TARGET_ARCH32 again. Handle ORDERED, UN* and LTGT comparisons
1179 using _Qp_cmp/_Q_cmp and testing the return value.
1180 (print_operand): Call reverse_condition_maybe_unordered if
1181 we are handling CCFPmode or CCFPEmode.
1182 Handle ORDERED, UN* and LTGT comparisons.
1183 * config/sparc/sparc.md (cmptf): Use even on TARGET_ARCH32
1184 if not TARGET_HARD_QUAD.
1185 (seq, sne, sgt, slt, sge, sle, beq, bne, bgt, blt, bge, ble,
1186 bunordered, bordered, bungt, bunlt, buneq, bunge, bunle, bltgt):
1187 Call sparc_emit_float_lib_cmp even on TARGET_ARCH32.
1188 Adjust gen_b* calls so that they reflect return comparison of
1189 sparc_emit_float_lib_cmp.
1191 2000-01-26 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
1193 * config/alpha/alpha.c (alpha_emit_xfloating_cvt): Do not assume
1194 incoming operands array is large enough for one more operand.
1195 (alpha_emit_xfloating_arith): Likewise.
1197 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
1199 * fixinc/Makefile.in (machname.h): SunOS 4 sed can't handle a
1200 file with one line and no trailing newline.
1201 Patch by Kaveh Ghazi <ghazi@caip.rutgers.edu>.
1202 * fixinc/fixtests.c (machine_name_test): Fix fencepost error
1203 checking if the match is on the line.
1204 * fixinc/gnu-regex.c: Provide regerror not __regerror.
1206 2000-01-25 Richard Henderson <rth@cygnus.com>
1208 * sparc.c (output_cbranch): Fix accidental squashing of the
1209 fp branch pre-delay nop.
1211 2000-01-25 Richard Henderson <rth@cygnus.com>
1213 * tree.def (UNNE_EXPR): Remove.
1214 * c-typeck.c (build_binary_op): Don't handle it.
1215 * expr.c (expand_expr, do_jump, do_store_flag): Likewise.
1217 * rtl.def (UNNE): Remove.
1219 * jump.c (reverse_condition): Update accordingly.
1220 (swap_condition): Likewise.
1221 (comparison_dominates_p): Handle unordered comparisons.
1222 (reverse_condition_maybe_unordered): New.
1223 * rtl.h (reverse_condition_maybe_unordered): Declare.
1225 * sparc.c (select_cc_mode): Update for UNNE/LTGT.
1226 (output_cbranch): Use reverse_condition_maybe_unordered and LTGT.
1227 * sparc.h (REVERSIBLE_CC_MODE): Always true. Update docs.
1228 * sparc.md (bltgt): New.
1230 2000-01-25 Nick Clifton <nickc@redhat.com>
1232 * emit-rtl.c (emit_insn): Only check machine class insns for
1233 improper emission of a RETURN.
1235 2000-01-25 Richard Henderson <rth@cygnus.com>
1237 * Makefile.in (flow.o): Depend on $(EXPR_H).
1238 * flow.c (mark_regs_live_at_end): Use hard_function_value, i.e.
1239 duplicate the structure of diddle_return_value for keeping regs live.
1241 2000-01-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1243 * loop.c (current_loop_info): Delete.
1244 (consec_sets_invariant_p): Add loop argument, update callers.
1245 (get_condition_for_loop): Likewise.
1246 (count_nonfixed_reads, update_giv_derive): Likewise.
1247 (simplify_giv_expr, general_induction_var): Likewise.
1248 (consec_sets_giv, recombine_givs): Likewise.
1249 (move_movables): Delete loop_start and loop_end arguments,
1250 add loop argument, and update callers.
1251 (find_mem_givs, check_final_value): Likewise.
1252 (record_giv, maybe_eliminate_biv, maybe_eliminate_biv_1): Likewise.
1253 (loop_invariant_p): Rename from invariant_p, add loop argument, and
1255 (basic_induction_var): Add loop argument, delete loop_level argument,
1257 * unroll.c (iteration_info): Delete loop_start and loop_end arguments,
1258 add loop argument, and update callers.
1259 (find_splittable_regs, find_splittable_givs): Likewise.
1260 (reg_dead_after_loop, loop_find_equiv_value): Likewise.
1261 (final_biv_value, final_giv_value, back_branch_in_range_p): Likewise.
1262 (biv_total_increment): Delete loop_start and loop_end arguments;
1264 (precondition_loop_p): Delete loop_start and loop_info arguments;
1266 * loop.h (get_condition_for_loop): Add loop argument.
1267 (biv_total_increment): Delete loop_start and loop_end arguments.
1268 (precondition_loop_p): Delete loop_start and loop_info arguments;
1270 (final_biv_value): Delete loop_start and loop_end arguments;
1272 (final_giv_value, back_branch_in_range_p): Likewise.
1274 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
1276 * config/mips/mips.h (LEGITIMATE_CONSTANT_P): Fix for mips16.
1278 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
1280 * Makefile.in (c-gperf.h) : Change the "See" pointer to
1281 point to the new "generated_files" doc.
1283 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
1285 * config/fp-bit.c (_unord_f2): Fix typo.
1287 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
1289 * c-common.c, c-decl.c, c-lang.c, c-lex.c, c-parse.in, c-pragma.c,
1290 c-typeck.c, objc/objc-act.c: Remove all references to obstack
1291 functions obsoleted by GC, such as push_obstacks_nochange,
1292 end_temporary_allocation, savealloc, saveable_tree_cons, etc.
1293 and code which existed only to decide whether or not to call
1294 them. Remove now-unused NESTED argument from start_function;
1295 all callers changed. Do not change behavior based on ggc_p.
1296 The use of the ixp_obstack in c-iterate.c and the util_obstack
1297 in objc/objc-act.c remain; these are not obsoleted by garbage
1299 * c-tree.h: Update prototype for start_function.
1301 * c-parse.y, c-parse.c, objc/objc-parse.c, objc/objc-parse.y: Rebuild.
1303 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
1305 * config/mips/mips.md (zero_extendsidi2_internal): Disable for
1308 2000-01-25 Richard Henderson <rth@cygnus.com>
1310 * sparc-protos.h (select_cc_mode): Declare.
1311 * sparc.c (select_cc_mode): New. Handle unordered compares.
1312 (output_cbranch): Always reverse via code change. Handle
1313 unordered compares. Factor tests and string updates.
1314 * sparc.h (SELECT_CC_MODE): Split out to select_cc_mode.
1315 (REVERSIBLE_CC_MODE): Also exclude CCFPmode.
1316 * sparc.md (bunordered, bordered): New.
1317 (bungt, bunlt, buneq, bunge, bunle): New.
1319 2000-01-25 Richard Henderson <rth@cygnus.com>
1321 * dwarf2out.c (dwarf2out_init): Use ggc_add_rtx_varray_root.
1322 * ggc-common.c (ggc_add_rtx_varray_root): New.
1323 (ggc_mark_rtx_varray): New.
1324 (ggc_mark_rtx_varray_ptr): New. Shift all ggc_mark_foo_ptr
1325 functions down below ggc_mark_foo.
1326 * ggc.h (ggc_add_rtx_varray_root, ggc_mark_rtx_varray): Declare.
1328 2000-01-25 Richard Henderson <rth@cygnus.com>
1330 * alpha.c (secondary_reload_class): Don't allocate a secondary
1331 for integral mode memories into FLOAT_REGS. Rearrange the more
1332 complicated memory expression inward.
1334 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
1336 * inclhack.def: Fixes to play nicer with FreeBSD, and
1337 corrections to comments.
1338 (cxx_unready): Add select expression.
1339 (irix_sockaddr): Add bypass expression.
1340 (machine_ansi_h_va_list): New fix.
1341 (stdio_va_list): No need to edit _BSD_VA_LIST_.
1342 Split out addition of "#include <stdarg.h>" to...
1343 (stdio_stdarg_h): ... here.
1344 (systypes_for_aix): Rename to systypes_stdlib_size_t. Apply
1345 to stdlib.h also. Do not munge _BSD_SIZE_T_.
1346 (sysz_stdlib_for_sun): Delete duplicate fix for unprotected
1348 (ultrix_ifdef): Tighten up select expression.
1350 * fixincl.tpl: Exorcise 'exesel'. Rewrite calculations of
1351 re_ct and max_mach to avoid use of shell. Make printed names
1352 match names in inclhack.def. Use static copyright date.
1353 Don't count c_test and test expressions as requiring regex_t
1354 slots. Add some commentary.
1355 * inclhack.tpl: Do not include the 'This script contains N
1356 fixup scripts' line if PROGRAM is defined. Use static
1359 2000-01-24 Jason Merrill <jason@casey.cygnus.com>
1361 * dwarf2out.c: include "varray.h", not dyn-string.h.
1362 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_NAME_TO_STRING): Lose.
1363 (addr_const_to_string, addr_to_string): Lose.
1364 (ASM_OUTPUT_DWARF_ADDR_CONST): Copy from dwarfout.c.
1365 (struct dw_val_struct): val_addr is now an rtx.
1366 (add_AT_addr, AT_addr, free_AT, output_aranges): Adjust.
1367 (used_rtx_varray): New varray.
1368 (dwarf2out_init): Initialize it.
1370 (mem_loc_descriptor, add_const_value_attribute): Call it instead of
1372 * arm/telf.h, arm/unknown-elf.h, mn10200.h, mn10300.h,
1373 sparc/sp64-elf.h: Remove definition of ASM_OUTPUT_DWARF2_ADDR_CONST.
1374 * Makefile.in (dwarf2out.o): Update dependencies.
1376 2000-01-24 Richard Henderson <rth@cygnus.com>
1378 * i386.c (i386_dwarf_output_addr_const): New.
1379 * i386.h (ASM_OUTPUT_DWARF_ADDR_CONST): New.
1381 * dwarf2out.c (mem_loc_descriptor): Call ASM_SIMPLIFY_DWARF_ADDR
1383 * dwarfout.c (output_mem_loc_descriptor): Likewise.
1384 * i386.c (i386_simplify_dwarf_addr): New.
1385 * i386.h (ASM_SIMPLIFY_DWARF_ADDR): New.
1387 Mon Jan 24 16:56:10 2000 Jim Wilson <wilson@cygnus.com>
1389 * dwarf2out.c (gen_struct_or_union_type_die): Set complete if
1390 TYPE_STUB_DECL is NULL.
1392 2000-01-24 Richard Henderson <rth@cygnus.com>
1394 * builtins.c (expand_tree_builtin): Move ...
1395 * c-common.c (expand_tree_builtin): ... here.
1397 2000-01-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1399 * loop.h (LOOP_INFO): New accessor macro.
1400 * basic-block.h (struct loop): Rename field `info' to `aux'.
1401 * loop.c (scan_loop): Replace loop->info with LOOP_INFO (loop).
1402 (prescan_loop, strength_reduce, check_dbra_loop, insert_bct): Likewise.
1403 * unroll.c (loop_iterations, unroll_loop): Likewise.
1405 2000-01-24 Christopher Faylor <cgf@cygnus.com>
1407 * config/i386/t-cygwin: Accomodate new winsup directory layout
1408 when searching for include files.
1410 2000-01-24 Richard Henderson <rth@cygnus.com>
1412 * rtl.def: Add unordered fp comparisions.
1413 * tree.def: Likewise.
1414 * tree.h: Add ISO C 9x unordered fp comparision builtins.
1416 * builtins.c (expand_tree_builtin): New function.
1417 * c-typeck.c (build_function_call): Use it.
1418 (build_binary_op): Support unordered compares.
1419 * c-common.c (c_common_nodes_and_builtins): Add unordered compares.
1421 * combine.c (known_cond): Handle reverse_condition returning UNKNOWN.
1422 (reversible_comparison_p): Allow UNORDERED/ORDERED to be reversed.
1423 * cse.c (fold_rtx): Check FLOAT_MODE_P before reversing.
1424 (record_jump_equiv): Handle reverse_condition returning UNKNOWN.
1425 * jump.c (reverse_condition): Don't abort for UNLE etc, but
1427 (swap_condition): Handle unordered compares.
1428 (thread_jumps): Check can_reverse before reversing.
1429 * loop.c (get_condition): Likewise. Allow UNORERED/ORDERED to be
1432 * optabs.c (can_compare_p): New argument CODE. Verify branch or
1433 setcc is present before acking for cmp_optab. Update all callers.
1434 (prepare_float_lib_cmp, init_optabs): Handle UNORDERED.
1435 * expmed.c (do_cmp_and_jump): Update for can_compare_p.
1436 * expr.c (expand_expr): Likewise. Support unordered compares.
1437 (do_jump, do_store_flag): Likewise.
1438 * expr.h (enum libfunc_index): Add unordered compares.
1440 * Makefile.in (FPBIT_FUNCS): Add _unord_sf.
1441 (DPBIT_FUNCS): Add _unord_df.
1442 * config/fp-bit.c (_unord_f2): New.
1443 * fp-test.c (main): Try unordered compare builtins.
1445 * alpha-protos.h (alpha_fp_comparison_operator): Declare.
1446 * alpha.c (alpha_comparison_operator): Check mode properly.
1447 (alpha_swapped_comparison_operator): Likewise.
1448 (signed_comparison_operator): Likewise.
1449 (alpha_fp_comparison_operator): New.
1450 (alpha_emit_conditional_branch): Handle unordered compares.
1451 * alpha.h (PREDICATE_CODES): Update.
1452 * alpha.md (fp compares): Use alpha_fp_comparison_operator.
1453 (bunordered, bordered): New.
1455 2000-01-24 Richard Henderson <rth@cygnus.com>
1457 * alpha.c (alpha_emit_xfloating_cvt): Thinko in operand manipulation.
1458 * alpha.md (movtf): New expander, insn, and splitter.
1460 Mon Jan 24 19:49:47 MET 2000 Jan Hubicka <jh@suse.cz>
1462 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
1465 Mon Jan 24 17:37:31 MET 2000 Jan Hubicka <jh@suse.cz>
1467 * i386.h (FIRST_PSEUDO_REGISTER): Set to 21.
1468 (FIXED_REGISTERS, CALL_USED_REGISTERS,
1469 REG_ALLOC_ORDER): Add frame pointer
1470 (FRAME_POINTER_REGNUM): Set to 20
1471 (HARD_FRAME_POINTER_REGNUM): New macro.
1472 (ELIMINABLE_REGS): Eliminate ARG_POINTER and FRAME_POINTER
1473 to HARD_FRAME_POINTER.
1474 (REGNO_OK_FOR_BASE_P): Accept FRAME_POINTER_REGNUM
1475 (REG_OK_FOR_INDEX_NONSTRICT_P): Likewise.
1476 (REG_OK_FOR_BASE_NONSTRICT_P): Likewise.
1477 (HI_REGISTER_NAMES): Add "frame".
1478 (CAN_ELIMINATE): Handle FRAME_POINTER_REGNUM elimination.
1479 (debug_reg): Handle FRAME_POINTER_REGNUM.
1480 (reg_class): Add arg pointer and frame pointer to NON_Q_REGS,
1481 GENERAL_REGS and INDEX_REGS.
1482 * i386.c (SAVED_REGS_FIRST): new macro.
1483 (AT_BP): Use hard_frame_pointer_rtx instead of frame_pointer_rtx
1484 (ix86_decompose_address, memory_address_length): Likewise.
1485 (regclass_map): Add frame pointer.
1486 (call_insn_operand): Handle frame_pointer_rtx.
1487 (reg_no_sp_operand): Likewise.
1488 (ix86_decompose_address): Handle frame_pointer_rtx as stack_pointer_rtx.
1489 (print_operand, legitimize_pic_address): Fix formating.
1490 (ix86_compute_frame_size): Make static, update prototype, new
1491 parameters padding1, padding2, use ix86_nsaved_regs, use
1492 stack_alignment_needed.
1493 (ix86_initial_elimination_offset): Handle FRAME_POINTER_REGNUM
1494 to HARD_FRAME_POINTER_REGNUM conversions.
1495 (ix86_expand_prologue): Handle SAVED_REGS_FIRST prologues.
1496 (ix86_expand_epilogue): Handle SAVED_REGS_FIRST epilogues.
1497 (print_reg): Abort on FRAME_POINTER_REGNUM
1499 Mon Jan 24 16:50:08 MET 2000 Jan Hubicka <jh@suse.cz>
1501 * i386.h (PREDICATE_CODES): Add aligned_operand.
1502 * i386.c (aligned_operand): New function.
1503 (ix86_aligned_p): Kill.
1504 * i386.md (movhi_1): Emit mov for aligned operands.
1505 (promoting peep2s): Use aligned_operand.
1507 2000-01-23 Zack Weinberg <zack@wolery.cumb.org>
1509 * fixinc/fixfixes.c (fix_char_macro_uses): Correct regular
1510 expression to allow underscores in macro names.
1511 (fix_char_macro_defines): Increment scanning pointer.
1513 2000-01-23 Richard Henderson <rth@cygnus.com>
1515 * alpha/osf.h (TARGET_HAS_XFLOATING_LIBS): Define.
1516 * alpha/osf5.h: New file.
1517 * configure.in (alpha-*-osf5): Add it to tm_file.
1519 * emit-rtl.c (operand_subword): Support TFmode on a 64-bit target.
1521 * alpha-protos.h (alpha_emit_xfloating_arith): Declare.
1522 (alpha_emit_xfloating_cvt, function_arg): Declare.
1523 * alpha.c (alpha_emit_conditional_branch): Call
1524 alpha_emit_xfloating_compare for TFmode compares.
1525 (alpha_lookup_xfloating_lib_func): New.
1526 (alpha_compute_xfloating_mode_arg): New.
1527 (alpha_emit_xfloating_libcall): New.
1528 (alpha_emit_xfloating_arith): New.
1529 (alpha_emit_xfloating_compare): New.
1530 (alpha_emit_xfloating_cvt): New.
1531 (print_operand): Add default abort case.
1532 (function_arg): Mind FUNCTION_ARG_PASS_BY_REFERENCE.
1533 * alpha.h (TARGET_HAS_XFLOATING_LIBS): New.
1534 (BIGGEST_ALIGNMENT): Increase to 128 bits.
1535 (RETURN_IN_MEMORY): True for TF/TCmode.
1536 (ALPHA_ARG_SIZE): TF/TCmode is passed indirect.
1537 (FUNCTION_ARG): Move to function_arg.
1538 (FUNCTION_ARG_PASS_BY_REFERENCE): New.
1539 (ASM_OUTPUT_LONG_DOUBLE): New.
1540 (ASM_OUTPUT_DOUBLE): Always output bits.
1541 * alpha.md (addtf3, divtf3, multf3, subtf3, cmptf): New.
1542 (fix_trunctfdi2, floatditf2, floatunsditf2): New.
1543 (extenddftf2, trunctfdf2): New.
1545 2000-01-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
1547 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Moved...
1548 * config/sparc/sol2.h: ... here.
1550 2000-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1552 * basic-block.h (struct loops): New field `levels'.
1553 * flow.c (flow_loops_level_compute): Traverse all outer loops.
1554 (flow_loop_level_compute): Initialise level to 1.
1555 (flow_loops_find): Set loops->levels.
1556 (flow_loops_dump): Print loops->levels.
1558 2000-01-23 Richard Henderson <rth@cygnus.com>
1560 * libgcc2.c (dwarf_reg_size_table): Size with DWARF_FRAME_REGISTERS.
1561 (throw_helper): Iterate over DWARF_FRAME_REGISTERS.
1563 2000-01-23 Richard Henderson <rth@cygnus.com>
1565 * i386.c (dbx_register_map, svr4_dbx_register_map): New.
1566 * i386.h (DBX_REGISTER_NUMBER): Use them.
1567 * i386/beos-elf.h, i386/freebsd-elf.h, i386/i386elf.h: Likewise.
1568 * i386/linux.h, i386/osfrose.h, i386/ptx4-i.h: Likewise.
1569 * i386/rtemself.h, i386/sco5.h, i386/sysv4.h: Likewise.
1570 * i386/sequent.h: Kill incorrect comment.
1572 2000-01-23 Mark Mitchell <mark@codesourcery.com>
1574 * ggc-page.c (struct page_entry): Make `context_depth' an
1576 (struct globals): Likewise.
1578 2000-01-23 Clinton Popetz <cpopetz@cygnus.com>
1580 * loop.c (check_dbra_loop): When checking a loop for
1581 reversability, check the source of any stores to ensure
1582 they don't depend on an initial value.
1584 2000-01-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1586 * config/c4x/c4x.h (ASM_OUTPUT_BSS): Redefine.
1588 2000-01-22 Zack Weinberg <zack@wolery.cumb.org>
1590 * fixinc/fixincl.c: Move declarations of 'pz_fname' and
1591 'pz_scan' into scope of entire function. Only affects
1592 compiles with -DDEBUG.
1594 2000-01-22 Alan Modra <alan@SPRI.Levels.UniSA.Edu.Au>
1596 * config/elfos.h (UNIQUE_SECTION): Restore uninitialised data
1597 section naming to that prior to 2000-01-07 patch.
1598 * config/mips/elf.h (UNIQUE_SECTION): Ditto.
1599 * config/mips/elf64.h (UNIQUE_SECTION): Ditto.
1600 * config/mips/iris6gld.h (UNIQUE_SECTION): Ditto.
1601 * config/i386/interix.c (UNIQUE_SECTION): Ditto.
1602 * config/i386/winnt.c (UNIQUE_SECTION): Ditto.
1604 2000-01-22 Bernd Schmidt <bernds@cygnus.co.uk>
1606 * config/arm/arm.c (soft_df_operand): Reject SUBREGs containing a
1609 2000-01-21 Jim Wilson <wilson@cygnus.com>
1611 * fixinc/inclhack.tpl: Test for directory before trying to cd into it.
1612 * fixinc/fixincl.sh, fixinc/inclhack.sh: Regenerate.
1614 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
1616 * cpphash.c (change_newlines): Delete function.
1617 (struct argdata): Delete 'newlines' and 'use_count' fields.
1618 (macroexpand): Remove code referencing those fields.
1620 2000-01-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1622 * loop.c (loops_info): New variable.
1623 (loop_optimize): Allocate loops->array and free it on exit.
1624 Allocate memory for loops_info and assign to each loop,
1626 (find_and_verify_loops): Do not allocate loops->array.
1628 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
1630 * fixinc/fixfixes.c (machine_name_fix): Don't free 'scratch'.
1632 2000-01-21 Jakub Jelinek <jakub@redhat.com>
1634 * config/sparc/sparc.md (movsi_pic_label_ref): Avoid creating new
1635 pseudos if expanded after first flow.
1636 (movdi_pic_label_ref): Likewise.
1638 2000-01-20 Richard Henderson <rth@cygnus.com>
1640 * jump.c (jump_optimize_1): Don't do addr_vec optimizations at -O0.
1642 2000-01-20 Zack Weinberg <zack@wolery.cumb.org>
1644 * Makefile.in (fixinc.sh): Depend on specs.
1645 * fixinc/Makefile.in: Add rule to create machname.h.
1646 (fixlib.o): Depend on machname.h.
1647 * fixinc/fixtests.c (machine_name): New test.
1648 * fixinc/fixfixes.c (machine_name): New fix.
1649 * fixinc/fixlib.c (mn_get_regexps): New helper function for
1650 the machine_name test and fix.
1651 * fixinc/fixlib.h: Prototype it.
1652 * fixinc/inclhack.def (machine_name): Use the C test and fix.
1653 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuild.
1655 * gcc.c (do_spec_1) [case P]: Take care not to create
1656 identifiers with three leading or trailing underscores.
1658 * fixinc/Makefile.in (FIXINC_DEFS): Add -DIN_GCC.
1659 (fixincl): Don't specify libraries twice on link line.
1660 (gnu-regex.o): Remove special rule.
1661 * fixinc/gnu-regex.c: Define REGEX_MALLOC if C_ALLOCA was
1662 defined by config.h. Do not define _REGEX_RE_COMP.
1663 (regcomp): Allocate and initialize a fastmap.
1664 * fixinc/gnu-regex.h: Do not define _REGEX_RE_COMP.
1666 2000-01-20 Brad Lucier <lucier@math.purdue.edu>
1668 * Makefile.in (predict.o): Depend on $(EXPR_H), not expr.h.
1670 2000-01-19 Richard Henderson <rth@cygnus.com>
1672 * flow.c (propagate_block): Replace FIRST, LAST and BNUM
1673 arguments with BB. Update all callers. Tidy line wrapping.
1675 2000-01-19 Clinton Popetz <cpopetz@cygnus.com>
1677 * emit-rtl.c (try_split): Return last_insn if we split the
1680 Thu Jan 20 01:01:23 MET 2000 Jan Hubicka <jh@suse.cz>
1682 * i386-protos.h (ix86_compute_frame_size): Remove prototype.
1683 (ix86_initial_elimination_offset): Declare.
1684 * i386.c (ix86_nsaved_regs): Break out from ...
1685 (ix86_can_use_return_insn_p): ... here.
1686 (ix86_emit_save_regs): Break out from ...
1687 (ix86_expand_prologue): ... here.
1688 (ix86_emit_epilogue_esp_adjustment, ix86_emit_restore_regs): Break
1690 (ix86_expand_epilogue): ... here.
1691 (ix86_compute_frame_size): Make static, add prototype.
1692 (ix86_initial_elimination_offset): Break out from ...
1693 * i386.h (INITIAL_ELIMINATION_OFFSET): ... here.
1695 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1697 * recog.h (OUT_FCN): Delete.
1699 * vax.md: Call `get_insn_template' instead of OUT_FCN.
1701 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1703 * cppalloc.c: PROTO -> PARAMS.
1704 * cpperror.c: Likewise.
1705 * cppfiles.c: Likewise.
1706 * cpplib.c: Likewise.
1707 * cpplib.h: Likewise.
1709 * config/arm/arm-protos.h: PROTO -> PARAMS.
1710 * config/arm/arm.c: Likewise.
1711 * config/c4x/c4x.c: Likewise.
1712 * config/fr30/fr30-protos.h: Likewise.
1713 * config/nextstep.c: Likewise.
1714 * config/pa/pa.c: Likewise.
1715 * config/pj/pj.c: Likewise.
1716 * config/rs6000/rs6000.c: Likewise.
1717 * config/v850/v850-protos.h: Likewise.
1718 * config/v850/v850.c: Likewise.
1720 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1722 * i370-protos.h: New file.
1724 * i370.c: Include tm_p.h. Fix compile time warnings.
1726 * i370.h: Move prototypes to i370-protos.h. Fix compile time
1729 * i370.md: Likewise.
1731 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1733 * real.c (enan, einan, eiisnan, eiisneg, make_nan): Wrap in NANS.
1734 (target_isinf, target_isnan, eisnan): Mark parameter with
1736 (eiisinf): Wrap in INFINITY.
1737 (etoe113, etoe64, etoe53, etoe24): Wrap label `nonorm' in INFINITY.
1738 (ibmtoe): Remove unused variable `rndsav'.
1740 Wed Jan 19 20:23:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1742 * sh.h (PASS_IN_REG_P): Remove extraneous paranthesis.
1743 (GO_IF_LEGITIMATE_ADDRESS): Added missing tab.
1745 2000-01-19 Zack Weinberg <zack@wolery.cumb.org>
1747 * fixinc/Makefile.in: Correct dependencies of fixincl and fixincl.o.
1748 * fixinc/fixfixes.c (IO_use, CTRL_use, IO_defn, CTRL_defn): New fixes.
1749 (fix_char_macro_defines, fix_char_macro_uses): New functions.
1751 * fixinc/fixlib.c (is_cxx_header): Do the text scan with a regexp.
1752 Recognize Emacs mode markers also.
1753 * fixinc/fixtests.c (else_endif_label): Fix bug in recognition of
1754 C++ comments in C++ headers. Call is_cxx_header only if
1757 * fixinc/inclhack.def (avoid_bool): Add select for the problem and
1759 (bsd43_io_macros, io_def_quotes, ioctl_fix_ctrl): Replace with...
1760 (io_def_quotes, io_use_quotes, ctrl_def_quotes, ctrl_use_quotes):
1761 ... these, which use the new C fixes.
1762 (math_exception): Escape literal '+' in bypass expression.
1764 * fixinc/fixincl.x, fixinc/fixincl.sh, fixinc/inclhack.sh:
1767 2000-01-19 Geoff Keating <geoffk@cygnus.com>
1769 * rtlanal.c (reg_referenced_p): A CLOBBER of a MEM uses any REGs
1772 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1774 * loop.c (loop_optimize): Allocate loop_info structure for each loop
1775 prior to calling scan_loop.
1777 Wed Jan 19 19:54:38 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1779 * sh.c (find_barrier, gen_block_redirect): Fix indentation.
1780 (split_branches, calc_live_regs): Likewise.
1782 Wed Jan 19 19:12:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1784 * sh.md (fpu_single, fp_mode): New attributes.
1786 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1788 * loop.c (current_loop_info): Renamed from loop_info_data
1789 and changed to a pointer.
1790 (loop_optimize): Allocate loop_info structure for each loop
1791 and initialise to zero.
1792 (scan_loop): Set current_loop_info.
1794 * unroll.c (loop_iterations): Don't abort if REG_USERVAR_P set
1797 2000-01-19 Richard Henderson <rth@cygnus.com>
1799 * stupid.c: Die die die.
1800 * Makefile.in (OBJS): Remove stupid.o.
1801 (stupid.o): Likewise.
1803 * except.c (emit_eh_context): Don't emit USEs for stupid.
1804 * explow.c (probe_stack_range): Likewise.
1805 * flags.h (obey_regdecls): Remove.
1806 * flow.c (find_basic_blocks): Don't run try_merge_blocks
1807 when not optimizing.
1808 (life_analysis): Limit data collection when not optimizing.
1809 (mark_regs_live_at_end): Always mark the return value registers.
1810 (mark_used_regs): Remove dummy RETURN case.
1811 (print_rtl_with_bb): Don't consult obey_regdecls.
1812 * function.c (use_variable, use_variable_after): Remove.
1813 (assign_parms): Consult optimize not obey_regdecls.
1814 (expand_function_start): Don't emit USEs for stupid.
1815 (expand_function_end): Likewise.
1816 * global.c (build_insn_chain): Export.
1817 * integrate.c (expand_inline_function): Kill return-value USE
1819 * jump.c (jump_optimize_1): Do simple jump optimizations and
1820 dead code elimination.
1821 (calculate_can_reach_end): Remove check_deleted argument.
1822 (delete_insn): Patch out insns even when not optimizing.
1823 * local-alloc.c (block_alloc): Don't do tying when not optimizing.
1824 * rtl.h (use_variable, use_variable_after): Remove declarations.
1825 (build_insn_chain): Declare.
1826 * stmt.c (expand_value_return): Don't emit USEs for stupid.
1827 (expand_end_bindings): Likewise.
1828 (expand_decl): Likewise. Consult optimize not obey_regdecls.
1829 * toplev.c (obey_regdecls): Remove.
1830 (rest_of_compilation): Don't set it. Kill stupid in favour of
1831 flow1, local-alloc, and reload.
1832 (main): Don't set obey_regdecls.
1834 * config/nextstep.c (handle_pragma): Likewise.
1836 * alpha/alpha.md (allocate_stack): Don't emit USEs for stupid.
1838 * arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't fix reg 0 for stupid.
1840 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1842 * alpha-protos.h: PROTO -> PARAMS.
1843 * alpha.c: Likewise.
1845 * h8300.c: Likewise.
1846 * i386-protos.h: Likewise.
1848 * m32r-protos.h: Likewise.
1851 * mips.md: Likewise.
1852 * gmon-sol2.c: Likewise.
1853 * sparc.c: Likewise.
1855 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1857 * ns32k-protos.h: New file.
1859 * ns32k.c: Fix compile time warnings.
1861 * ns32k.h: Move prototypes to ns32k-protos.h. Fix compile time
1864 * ns32k.md: Likewise.
1866 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1868 * vax-protos.h: New file.
1870 * vax.c: Fix compile time warnings.
1872 * vax.h: Move prototypes to vax-protos.h. Fix compile time
1877 * vaxv.md: Likewise.
1879 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1881 * romp-protos.h: New file.
1883 * romp.c: Fix compile time warnings.
1885 * romp.h: Move prototypes to romp-protos.h. Fix compile time
1888 * romp.md: Likewise.
1890 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1892 * we32k-protos.h: New file.
1894 * we32k.c: Fix compile time warnings.
1896 * we32k.h: Move prototypes to we32k-protos.h. Fix compile time
1899 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1901 * calls.c (emit_call_1): Mark parameter with ATTRIBUTE_UNUSED.
1903 * except.c (eh_regs): Likewise.
1905 * final.c (output_operand): Likewise.
1907 * fold-const.c (target_isinf, target_isnan): Likewise.
1909 Tue Jan 18 16:19:55 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
1911 * i386.h (BIGGEST_ALIGNMENT): Set to 128.
1912 (BIGGEST_FIELD_ALIGNMENT): Set to (TARGET_ALIGN_DOUBLE ? 64 : 32)
1914 * i386.md (memstr): Do not use rep stosb for counts divisible by 4
1916 (clrstrsi): Rewrite.
1917 (strsethi, strsetqi): New expanders.
1918 (strsethi_1, strsetqi_1, rep_stossi, rep_stosqi): New insn patterns.
1919 (cmpstrsi): Emit compare insn before cmpstrsi_1
1920 (cmpstrsi_nz): use flags, set type to str, prefix_length to 1.
1921 (strlensi_1): Likewise.
1922 (cmpstrsi_1): Likewise; do not output compare.
1923 (strlen expander): Do not unroll when optimizing for size.
1924 (*subsi3_carry): Rename to subsi3_carry
1925 (addqi3_cc): New pattern.
1926 * i386.h (processor_costs): Add move_ratio field.
1927 (MOVE_RATIO): Use move_ratio field, set to 3 for OPTIMIZE_SIZE
1928 * i386.c (*_cost): Set move_ratio.
1929 (x86_unroll_strlen): Enable for Athlon, PPro and K6 too.
1930 (x86_expand_strlensi_1): Rewrite the main loop.
1932 2000-01-17 Richard Henderson <rth@cygnus.com>
1934 * combine.c (combine_simplify_rtx): Give FLOAT_STORE_FLAG_VALUE a mode.
1935 * cse.c (find_comparison_args, fold_rtx): Likewise.
1936 * integrate.c (subst_constants): Likewise.
1937 * loop.c (get_condition): Likewise.
1939 * tm.texi (FLOAT_STORE_FLAG_VALUE): Update docs.
1941 * alpha.h (FLOAT_STORE_FLAG_VALUE): Use REAL_VALUE_ATOF.
1943 2000-01-18 Martin v. Löwis <loewis@informatik.hu-berlin.de>
1945 * c-parse.in (SAVE_WARN_FLAGS): Create an INTEGER_CST.
1946 (RESTORE_WARN_FLAGS): Unpack it.
1947 Change semantic type of extension to ttype.
1948 * c-common.c (split_specs_attrs): Expect an INTEGER_CST.
1949 * c-parse.y, c-parse.c, objc/objc-parse.y,
1950 objc/objc-parse.c: Regenerate.
1952 2000-01-17 Zack Weinberg <zack@wolery.cumb.org>
1954 * fixinc/fixlib.c: Add copyright notice.
1955 (compile_re): New function.
1956 * fixinc/fixlib.h: Prototype compile_re.
1958 * fixinc/fixfixes.c, fixinc/fixtests.c, fixinc/fixincl.c:
1959 Use compile_re to compile regular expressions.
1961 * fixinc/fixincl.c (egrep_test): Don't bother asking regexec
1962 where the pattern matched.
1964 * fixinc/inclhack.def (sun_memcpy): Move to AAB_sun_memcpy,
1966 (ultrix_ansi_compat): Likewise.
1967 (interactv_add1): Rename to 'isc_omits_with_stdc', remove shell test,
1969 (interactv_add2, interactv_add3): Delete.
1970 (x11_sprintf): Don't use filename glob.
1971 * fixinc/fixincl.x, fixinc/inclhack.sh, fixinc/fixincl.sh:
1974 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1976 * print-rtl.c: PROTO -> PARAMS.
1978 * reg-stack.c: Likewise.
1979 * resource.c: Likewise.
1980 * sdbout.h: Likewise.
1981 * simplify-rtx.c: Likewise.
1982 * stor-layout.c: Likewise.
1983 * stupid.c: Likewise.
1984 * xcoffout.c: Likewise.
1985 * xcoffout.h: Likewise.
1987 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1989 * toplev.c: PROTO -> PARAMS.
1990 * toplev.h: Likewise.
1993 * unroll.c: Likewise.
1994 * varasm.c: Likewise.
1995 * varray.c: Likewise.
1996 * varray.h: Likewise.
1998 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2000 * reload.c: PROTO -> PARAMS.
2001 * reload.h: Likewise.
2002 * reload1.c: Likewise.
2003 * reorg.c: Likewise.
2004 * resource.h: Likewise.
2007 * rtlanal.c: Likewise.
2008 * sbitmap.h: Likewise.
2009 * sdbout.c: Likewise.
2010 * stack.h: Likewise.
2012 * system.h: Likewise.
2014 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2016 * machmode.h: PROTO -> PARAMS.
2017 * mbchar.h: Likewise.
2018 * mips-tdump.c: Likewise.
2019 * mips-tfile.c: Likewise.
2020 * optabs.c: Likewise.
2021 * output.h: Likewise.
2022 * prefix.c: Likewise.
2023 * profile.c: Likewise.
2024 * protoize.c: Likewise.
2026 * recog.c: Likewise.
2027 * recog.h: Likewise.
2028 * regclass.c: Likewise.
2029 * regmove.c: Likewise.
2032 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2034 * ggc-common.c: PROTO -> PARAMS.
2035 * ggc-page.c: Likewise.
2036 * ggc-simple.c: Likewise.
2038 * global.c: Likewise.
2039 * graph.c: Likewise.
2040 * gthr-win32.h: Likewise.
2041 * haifa-sched.c: Likewise.
2042 * halfpic.h: Likewise.
2043 * integrate.c: Likewise.
2044 * integrate.h: Likewise.
2047 * local-alloc.c: Likewise.
2051 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2053 * genattr.c: PROTO -> PARAMS.
2054 * genattrtab.c: Likewise.
2055 * gencheck.c: Likewise.
2056 * gencodes.c: Likewise.
2057 * genconfig.c: Likewise.
2058 * genemit.c: Likewise.
2059 * genextract.c: Likewise.
2060 * genflags.c: Likewise.
2061 * gengenrtl.c: Likewise.
2062 * genopinit.c: Likewise.
2063 * genoutput.c: Likewise.
2064 * genpeep.c: Likewise.
2065 * genrecog.c: Likewise.
2067 2000-01-16 Mark Mitchell <mark@codesourcery.com>
2069 * tree.h (BINFO_VPTR_FIELD): Augment documentation.
2071 2000-01-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
2073 * aclocal.m4 (AC_FUNC_MMAP_ZERO): New macro.
2074 * configure.in (AC_FUNC_MMAP_ZERO): Use instead of AC_FUNC_MMAP.
2075 * ggc-page.c: Replace HAVE_MMAP with HAVE_MMAP_ZERO.
2076 * configure, config.in: Rebuilt.
2078 2000-01-16 Zack Weinberg <zack@wolery.cumb.org>
2080 * config/i386/i386.md: Add peephole to merge successive stack
2083 Sat Jan 15 15:41:14 EST 2000 John Wehle (john@feith.com)
2085 * gcse.c (insert_insn_end_bb): Use emit_block_insn_before
2086 instead of emit_insn_before. Also handle NOTE_INSN_BASIC_BLOCK
2087 when walking backwards to find all the parameter loads when
2088 the basic block ends in a call.
2090 2000-01-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2092 * loop.c (this_loop_info): Delete.
2093 (uid_loop): Add in place of uid_loop_num. All uses updated.
2094 (loop_number_exit_count): Delete and replace with entry in loop
2095 structure. All uses updated.
2096 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
2097 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
2098 (loop_outer_loop): Likewise.
2099 (loop_invalid, loop_number_exit_labels): Likewise.
2100 (loop_used_count_register): Delete and replace with entry in
2101 loop_info structure.
2102 (find_and_verify_loops): Add loops argument.
2103 (verify_dominator, mark_loop_jump, prescan_loop): Replace loop_start,
2104 loop_end, etc. arguments with loop structure pointer. All callers
2106 (loop_reg_used_before_p, scan_loop, strength_reduce): Likewise.
2107 (check_dbra_loop, next_insn_in_loop, try_copy_prop): Likewise.
2108 (load_mems_and_recount_loop_regs_set, load_mems): Likewise.
2109 (insert_bct): Likewise.
2110 (basic_induction_var): New argument level.
2111 * loop.h (struct loop_info): Delete fields num, loops_enclosed,
2112 vtop, and cont. Add used_count_register.
2113 (uid_loop): Delete declaration.
2114 (loop_number_exit_count): Likewise.
2115 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
2116 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
2117 (loop_outer_loop, loop_used_count_register): Likewise.
2118 (loop_invalid, loop_number_exit_labels): Likewise.
2119 (unroll_loop): Replace loop_start and loop_end arguments
2120 with loop structure pointer.
2121 (loop_precondition_p, loop_iterations): Likewise.
2122 Include basic-block.h.
2123 * unroll.c: (unroll_loop): Replace loop_start and loop_end arguments
2124 with loop structure pointer.
2125 (loop_precondition_p, loop_iterations): Likewise.
2126 * basic-block.h (struct loop): New entries vtop, cont,
2127 cont_dominator, start, end, top, scan_start, exit_labels,
2129 * Makefile.in (LOOP_H): Add basic-block.h to dependencies.
2131 2000-01-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2133 * defaults.h (ASM_OUTPUT_ASCII): Use ISDIGIT.
2135 2000-01-14 Nathan Sidwell <sidwell@codesourcery.com>
2137 * config.in: Rebuilt for 2000-01-13 change to acconfig.h.
2139 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2141 * pdp11-protos.h: New file.
2143 * pdp11.c: Include tm_p.h. Add static prototypes. Fix compile
2146 * pdp11.h: Move prototypes to pdp11-protos.h. Fix compile time
2149 * pdp11.md: Likewise.
2153 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2155 * mn10300-protos.h: New file.
2157 * mn10300.c: Include tm_p.h. Add static prototypes. Fix compile
2160 * mn10300.h: Move prototypes to mn10300-protos.h. Fix compile time
2163 * mn10300.md: Likewise.
2165 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2167 * mn10200-protos.h: New file.
2169 * mn10200.c: Include tm_p.h. Add static prototypes. Fix compile
2172 * mn10200.h: Move prototypes to mn10200-protos.h. Fix compile time
2175 * mn10200.md: Likewise.
2177 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2179 * h8300-protos.h: New file.
2181 * h8300.c: Include tm_p.h. Add static prototypes. Fix compile
2184 * h8300.h: Move prototypes to h8300-protos.h. Fix compile time
2187 * h8300.md: Likewise.
2189 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2191 * varasm.c (asm_output_bss): Mark parameters with ATTRIBUTE_UNUSED.
2192 (asm_emit_uninitialised): Likewise.
2194 2000-01-13 Gavin Romig-Koch <gavin@cygnus.com>
2196 * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): New.
2197 * config/mips/mips.md: Use ISA_HAS_INT_CONDMOVE.
2199 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
2201 * config/mips/mips.c (override_options): Don't turn on extra
2202 alignment for mips16.
2204 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
2206 * config/mips/mips.c (mips_va_arg): Fix fprv for the 32 bit
2207 eabi, and make sure queued POSTINCREMENT rtl is emitted at
2210 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
2212 * builtins.c (PAD_VARARGS_DOWN): Define.
2213 (std_expand_builtin_va_arg): Use the above macro.
2214 * config/mips/mips.h (PAD_VARARGS_DOWN): Define.
2215 * tm.texi (Register Arguments): Document the above macro.
2217 2000-01-14 Nick Clifton <nickc@cygnus.com>
2219 * emit-rtl.c (emit_insn): If checking is enabled, make sure
2220 that this function has not been used to emit a jump
2223 * jump.c (return_jump_1): Cope with being passed a null rtx.
2225 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2227 * eh-common.h: PROTO -> PARAMS.
2228 * emit-rtl.c: Likewise.
2229 * errors.c: Likewise.
2230 * errors.h: Likewise.
2231 * except.c: Likewise.
2232 * except.h: Likewise.
2233 * explow.c: Likewise.
2234 * expmed.c: Likewise.
2237 * final.c: Likewise.
2238 * fix-header.c: Likewise.
2240 * fold-const.c: Likewise.
2241 * function.c: Likewise.
2242 * function.h: Likewise.
2244 * gcov-io.h: Likewise.
2248 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2250 * sh-protos.h: New file.
2252 * sh.c: Include insn-config.h, toplev.h, recog.h and tm_p.h.
2253 Add static prototypes. Fix compile time warnings.
2255 * sh.h: Move prototypes to sh-protos.h. Fix compile time warnings.
2259 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2261 * arc-protos.h: New file.
2263 * arc.c: Include tm_p.h. Add static prototypes. Fix compile
2266 * arc.h: Move prototypes to arc-protos.h. Fix compile time
2271 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2273 * dsp16xx-protos.h: New file.
2275 * dsp16xx.c: Include tm_p.h. Add static prototypes. Fix compile
2278 * dsp16xx.h: Move prototypes to dsp16xx-protos.h. Fix compile time
2281 * dsp16xx.md: Likewise.
2283 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2285 * convex-protos.h: New file.
2287 * convex.c: Include tm_p.h. Add static prototypes. Fix compile
2290 * convex.h: Move prototypes to convex-protos.h. Fix compile time
2293 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2295 * elxsi-protos.h: New file.
2297 * elxsi.c: Include tm_p.h. Add static prototypes. Fix compile
2300 * elxsi.h: Move prototypes to elxsi-protos.h. Fix compile time
2303 * elxsi.md: Likewise.
2305 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
2307 * config/mips/mips.h (REGISTER_MOVE_COST): Remove redundant
2308 case for moving from HI/LO/HI_LO_REG. This makes the behavior
2309 match the comment for MIPS16.
2311 Fri Jan 14 00:28:06 2000 Jeffrey A Law (law@cygnus.com)
2313 * flow.c (split_edge): Do not call set_block_for_insn if we
2314 do not have a basic_block_for_insn structure.
2316 * fr30.h (TRAMPOLINE_TEMPLATE): Use nops to ensure the static chain
2317 and destination functions are 32bit aligned within the trampoline.
2318 (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Corresponding changes.
2319 (TRAMPOLINE_ALIGNMENT): Define.
2321 * cse.c (cse_insn): When changing (set (pc) (reg)) to
2322 (set (pc) (label_ref)), verify the change creates a valid insn.
2324 * fr30.c (call_operand): Tighten and rework to match rules for
2325 call RTL expressions.
2326 * fr30.h (PREDICATE_CODES, case call_operand): Only allow MEMs.
2327 * fr30.md (call patterns): Improve constraints.
2329 Thu Jan 13 23:44:03 2000 Richard Henderson <rth@cygnus.com>
2331 * fr30.c (fr30_expand_epilogue): Revert last change.
2332 Use emit_jump_insn for the return insn.
2334 Thu Jan 13 14:46:03 2000 Jason Eckhardt <jle@cygnus.com>
2335 Stan Cox <scox@cygnus.com>
2337 * predict.c: New file. Preliminary infrastructure work for static
2338 branch prediction and basic block reordering.
2339 * basic-block.h: Add prototype for estimate_probability.
2340 * Makefile.in: Add rules for predict.o.
2342 2000-01-13 Jason Merrill <jason@yorick.cygnus.com>
2344 * fixincludes (va_list): Use __not_va_list__ for the dummy.
2345 * fixinc/*: Likewise.
2347 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2349 * cccp.c: PROTO -> PARAMS.
2351 * collect2.c: Likewise.
2352 * combine.c: Likewise.
2353 * convert.h: Likewise.
2355 * dbxout.c: Likewise.
2356 * dbxout.h: Likewise.
2357 * diagnostic.c: Likewise.
2358 * doprint.c: Likewise.
2359 * dwarf2out.c: Likewise.
2360 * dwarf2out.h: Likewise.
2361 * dwarfout.c: Likewise.
2362 * dwarfout.h: Likewise.
2363 * dyn-string.h: Likewise.
2365 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2367 * calls.c (emit_call_1): Wrap varaible `struct_value_size_rtx' in
2368 macro conditionals guarding use.
2370 * dwarf2out.c: Include "tm_p.h".
2372 * function.c (locate_and_pad_parm): Mark parameter with
2374 (expand_function_end): Likewise for variable `context'.
2376 * reorg.c (make_return_insns): Wrap prototype in macro HAVE_return.
2378 2000-01-13 Nick Clifton <nickc@cygnus.com>
2380 * config/fr30/fr30.c (fr30_expand_epilogue): Emit USEs of pop'ed
2381 register to prevent compile time warnings.
2383 2000-01-13 Zack Weinberg <zack@wolery.cumb.org>
2385 * longlong.h [i386] (udiv_qrnnd): Rename 'd' argument to 'dv'
2386 to avoid -Wtraditional warning.
2388 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2390 * 1750a-protos.h: New file.
2392 * 1750a.c: Include tm_p.h. Add static prototypes. Fix compile
2395 * 1750a.h: Move prototypes to 1750a-protos.h. Fix compile time
2398 * 1750a.md: Likewise.
2400 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2402 * a29k-protos.h: New file.
2404 * a29k.c: Include tm_p.h. Add static prototypes. Fix compile
2407 * a29k.h: Move prototypes to a29k-protos.h. Fix compile time
2410 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2412 * clipper-protos.h: New file.
2414 * clipper.c: Include tm_p.h. Add static prototypes. Fix compile
2417 * clipper.h: Move prototypes to clipper-protos.h. Fix compile time
2420 Thu Jan 13 16:03:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2422 * reload1.c (reload_combine_note_store): Use HARD_REGNO_NREGS.
2424 2000-01-13 Nathan Sidwell <sidwell@codesourcery.com>
2426 * configure.in (--enable-new-gxx-abi): New option.
2427 * acconfig.h (ENABLE_NEW_GXX_ABI): New define.
2428 * Makefile.in (GXX_ABI_FLAG): New variable.
2429 * configure: Regenerate.
2431 2000-01-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2433 * stor-layout.c (layout_type): Use FORCE_STRUCT_BLK.
2434 * tm.texi (FORCE_STRUCT_BLK): Document.
2435 * config/c4x/c4x.h (FORCE_STRUCT_BLK): New macro.
2437 Wed Jan 12 23:12:47 2000 Hans-Peter Nilsson <hp@axis.com>
2439 * config/ns32k/ns32k.md: Revert Jan 9 change.
2441 * genrecog.c (maybe_both_true_2): Do not compare a predicate-test
2442 to a mode-test, if the predicate is address_operand.
2444 Wed Jan 12 22:34:00 2000 Jeffrey A Law (law@cygnus.com)
2446 * combine.c (if_then_else_cond): Be careful about what kinds
2447 of RTL expressions are passed to operand_subword.
2449 * flow.c (split_edge): If we have to insert a new jump, make
2450 sure to associate it with a basic block.
2452 * flow.c (commit_one_edge_insertion): A block with one successor
2453 can end in a JUMP_INSN that is not a simplejump.
2455 2000-01-12 Robert Lipe <robertl@sco.com>
2457 * i386/sco5.h (INIT_SECTION_ASM_OP_COFF): Rename section to "ctor".
2458 (BUILD_VA_LIST_TYPE): Define.
2459 (EH_FRAME_SECTION_ASM_OP): Explictly define to better interact
2462 2000-01-12 Jason Merrill <jason@casey.cygnus.com>
2464 * cccp.c (do_pragma): Add cast to (char *).
2466 2000-01-12 Richard Henderson <rth@cygnus.com>
2467 Fred Fish <fnf@be.com>
2468 Jason Merrill <jason@cygnus.com>
2470 * configure.in (i?86-*-beos{pe,elf,}*): Recognize.
2471 * i386/t-beos, i386/x-beos, i386/xm-beos.h: New files.
2472 * i386/beos-elf.h, i386/beos-pe.h: New files.
2474 * Makefile.in (CROSS_SYSTEM_HEADER_DIR): New.
2475 * cross-make (SYSTEM_HEADER_DIR): Define using
2476 CROSS_SYSTEM_HEADER_DIR.
2478 * gcc.c (LIBRARY_PATH_ENV): Provide default.
2479 (process_command): Use it.
2480 (main): Likewise. Kill trailing = from env vars.
2481 (build_search_list): Put it back.
2482 * collect2.c (main): Use LIBRARY_PATH_ENV.
2484 * configure.in (GCC_NEED_DECLARATIONS): Add environ.
2485 * toplev.c: Use NEED_DECLARATION_ENVIRON.
2487 * tm.texi (Frame Layout): Document SMALL_STACK.
2488 * c-common.c (c_common_nodes_and_builtins): Check it.
2490 * system.h: Undef alloca after including glibc's <stdlib.h>,
2491 if USE_C_ALLOCA is defined.
2493 * gcc.c (set_input): New fn.
2494 (main): After all input files are compiled, reset the input file
2497 * aclocal.m4 (rindex, index): If already defined, don't attempt
2500 * ginclude/varargs.h: (__va_list__): Define ifndef.
2501 * ginclude/stdarg.h: Likewise.
2503 * ginclude/stddef.h (__WCHAR_TYPE__) [BEOS]: Use int
2504 instead of unsigned char.
2506 * hash.h (true, false, boolean): Undef before enum.
2508 * expmed.c (choose_multiplier): Cast &mhigh_lo and &mhigh_hi to be
2509 proper type of "HOST_WIDE_INT *", rather than their natural type of
2510 "unsigned HOST_WIDE_INT *".
2512 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2514 * svr3.h (ASM_FILE_START): Wrap if-clause in squigly brackets.
2516 * recog.c (memory_address_p): Mark parameter with ATTRIBUTE_UNUSED.
2518 * regclass.c (choose_hard_reg_mode): Likewise.
2520 * reload.c (find_valid_class, strict_memory_address_p): Likewise.
2522 * reorg.c (optimize_skip): Wrap prototype in macro conditionals.
2524 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2526 * c-common.c: PROTO -> PARAMS.
2527 * c-common.h: Likewise.
2528 * c-decl.c: Likewise.
2529 * c-iterate.c: Likewise.
2530 * c-lang.c: Likewise.
2531 * c-lex.c: Likewise.
2532 * c-lex.h: Likewise.
2533 * c-parse.in: Likewise.
2534 * c-pragma.c: Likewise.
2535 * c-pragma.h: Likewise.
2536 * c-tree.h: Likewise.
2537 * c-typeck.c: Likewise.
2538 * objc/objc-act.c: Likewise.
2539 * objc/objc-act.h: Likewise.
2541 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2543 * m88k-protos.h: New file.
2545 * m88k.c: Include tm_p.h. Add static prototypes. Fix compile
2548 * m88k.h: Move prototypes to m88k-protos.h. Fix compile time warnings.
2550 * m88k.md: Likewise.
2552 * tekXD88.h: Likewise.
2554 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2556 * m68k-protos.h: New file.
2558 * m68k.c: Include tm_p.h. Add static prototypes. Fix compile
2561 * m68k.h: Move prototypes to m68k-protos.h. Fix compile time warnings.
2563 * mot3300.h: Likewise.
2565 2000-01-12 Richard Earnshaw <rearnsha@arm.com>
2567 * haifa-sched.c (split_edges): Pass edgeset_size as second arg to
2569 (extract_bitlist): Declare bitlen.
2571 2000-01-12 Zack Weinberg <zack@wolery.cumb.org
2573 * cccp.c: Accept and ignore -lang-fortran.
2575 * c-typeck.c (build_c_cast): Issue -Wcast-qual warnings if the
2576 qualifiers don't match at any level of pointerness.
2578 2000-01-12 Robert Lipe <robertl@sco.com>
2580 * i386/sysv5.h (CPP_SPEC, LIBSPEC): Add -pthreadT.
2582 2000-01-12 Bernd Schmidt <bernds@cygnus.co.uk>
2584 * reload1.c (reload_reg_unavailable): New static variable.
2585 (reload_reg_free_p): Test it.
2586 (reload_reg_free_for_value_p): Test it instead of
2588 (choose_reload_regs_init): Compute it.
2590 Wed Jan 12 03:24:41 2000 Toshiyasu Morita (toshi.morita@sega.com)
2592 * reorg.c (fill_slots_from_thread): Check modified_in_p
2595 Wed Jan 12 03:20:31 2000 John Marshall <john_w_marshall@palm.com>
2597 * gcc.texi (Funding, GNU/Linux, Copying, Contributors): Format
2598 these nodes even if INTERNALS is not set.
2600 Wed Jan 12 09:39:22 2000 Nick Burrett <nick.burrett@btinternet.com>
2602 * gcse.c (delete_null_pointer_checks_1): Cope when
2603 get_condition cannot determine the condition.
2605 2000-01-12 Gabriel Dos Reis <gdr@codesourcery.com>
2607 * toplev.h (set_message_length): Declare.
2609 * diagnostic.c (obstack_chunk_alloc): Define macro.
2610 (obstack_chunk_free): Likewise.
2611 (struct output_buffer): New data structure.
2613 (output_maximum_width): New variable.
2614 (doing_line_wrapping, set_message_length, init_output_buffer,
2615 get_output_prefix, output_space_left, emit_output_prefix,
2616 output_newline, output_append, output_puts, dump_output,
2617 vbuild_message_string, build_message_string, build_location_prefix,
2618 voutput_notice, output_printf, line_wrapper_printf,
2619 vline_wrapper_message_with_location): New functions. Implement
2620 automatic line wrapping.
2621 (v_message_with_decl): Make it handle automatic line wrapping.
2622 (v_error_with_file_and_line): Likewise.
2623 (v_warning_with_file_and_line): Likewise.
2624 (announce_function): Likewise.
2625 (default_print_error_function): Likewise.
2627 2000-01-11 16:24 -0800 Zack Weinberg <zack@wolery.cumb.org>
2629 * cpplib.h (struct cpp_options): Change lang_asm to char.
2631 * cppinit.c (builtin_array): Take out __STDC_VERSION__, it's
2632 done in cpp_handle_option now.
2633 (initialize_builtins): Take out special case code used only by
2635 (cpp_handle_option): Turn off trigraphs and trigraph warnings
2636 if -traditional. Recognize -lang-fortran and set
2637 lang_fortran, also turn off cplusplus_comments.
2638 (print_help): Document -lang-fortran.
2639 * cpplib.c (handle_directive): Ignore `# 123 "file"' if
2640 lang_asm. Ignore all directives other than `# 123 "file"' if
2642 (cpp_get_token): If -traditional, don't recognize directives
2643 unless the # is in column 1.
2644 (parse_string): If lang_fortran or lang_asm, silently
2645 terminate strings ('' or "") at end of line.
2646 Remove unnecessary braces.
2648 2000-01-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
2649 Richard Henderson <rth@cygnus.com>
2651 * resource.c (mark_referenced_resources): Mark a set strict_low_part
2653 * config/i386/i386.c (ix86_expand_setcc): Re-enable clear + set
2654 strict_low_part when possible.
2656 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2658 * alias.c: PROTO -> PARAMS.
2659 * basic-block.h: Likewise.
2660 * bitmap.c: Likewise.
2661 * bitmap.h: Likewise.
2662 * builtins.c: Likewise.
2663 * c-aux-info.c: Likewise.
2664 * caller-save.c: Likewise.
2665 * calls.c: Likewise.
2667 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2669 * Makefile.in (toplev.o): Depend on regs.h.
2671 * output.h (tdesc_section): Prototype.
2673 * regclass.c (copy_cost): Mark parameters with ATTRIBUTE_UNUSED.
2675 * sdbout.c: Include "tm_p.h".
2677 * toplev.c: Include "regs.h".
2679 Tue Jan 11 11:37:58 2000 Mike Stump <mrs@wrs.com>
2681 * unroll.c (unroll_loop): Add EH support.
2683 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2685 * pa-protos.h: New file.
2687 * pa.c: Include recog.h and tm_p.h.
2688 (compute_zdepwi_operands, compute_movstrsi_length,
2689 remove_useless_addtr_insns, store_reg, load_reg, set_reg_plus_d,
2690 find_addr_reg, import_milli): Add static prototypes.
2691 (pa_cpu_string, pa_arch_string): Constify a char*.
2692 (legitimize_pic_address): Pass argument `mode' to pic_label_operand.
2693 (read_only_operand): Add argument `mode'.
2694 (singlemove_string, output_move_double, output_fp_move_double,
2695 output_block_move, output_and, output_ior, output_ascii,
2696 remove_useless_addtr_insns, milli_names, output_mul_insn,
2697 output_div_insn, output_mod_insn, output_arg_descriptor,
2698 output_cbranch, output_bb, output_bvb, output_dbra, ,
2699 output_millicode_call, output_call, hppa_encode_label,
2700 output_parallel_movb, output_parallel_addb): Constify a char*.
2701 (hppa_va_start): Mark parameter `stdarg_p' with ATTRIBUTE_UNUSED.
2702 (output_parallel_addb): Remove extra arg to `constrain_operands'
2704 * pa.h: Move all prototypes to pa-protos.h.
2705 (pa_cpu_string, pa_arch_string): Constify a char*.
2706 (LEGITIMIZE_ADDRESS): Call `symbolic_operand' with mode argument.
2708 * pa.md: Call `function_label_operand' with mode argument.
2709 Likewise for `read_only_operand'.
2710 Fix nesting of parens in call to `symbolic_operand'.
2712 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2714 * i860-protos.h: New file.
2716 * i860.c: Include tm_p.h. Add static prototypes. Fix compile
2719 * i860.h: Move prototypes to i860-protos.h. Fix compile time warnings.
2721 * i860.md: Likewise.
2723 Tue Jan 11 18:59:35 MET 2000 Jan Hubicka <jh@suse.cz>
2725 * i386.md (movstrsi expander): Rewrite.
2726 (movstrsi_1 insn): Deleted.
2727 (strmovhi, strmovqi expander): New expanders.
2728 (movshi_1, movsqi_1, rep_movsi, rep_movqi): New patterns.
2729 * i386.c (x86_single_stringop): New global variable.
2730 * i386.h (x86_single_stringop): Declare.
2731 (TARGET_SINGLE_STRINGOP): New macro.
2733 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
2735 * config/mips/mips.c (mips_va_arg): For EABI, emit the queued
2736 integer vararg POSTINCREMENT before the destination of the jump
2737 for the hard fp case.
2738 (function_arg_pass_by_reference): Pass a copy of CUM to
2741 * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Move check
2742 for CONSTANT_ADDRESS_P above while loop for subreg.
2744 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
2746 * flow.c (propagate_block): When a prologue/epilogue insn
2747 is marked dead, unconditionally clear libcall_is_dead and
2748 insn_is_dead, and only dump rtl if warnings aren't being
2751 Tue Jan 11 16:26:47 MET 2000 Jan Hubicka <jh@suse.cz>
2753 * i386.c (ix86_attr_length_default): Handle TYPE_STR and TYPE_CLD.
2754 * i386.md (FIRST_PSEUDO_REGISTER): Set to 20.
2755 (FIXED_REGISTERS): Set dirflag as fixed.
2756 (CALL_USED_REGISTERS): Set dirflag as used.
2757 (REG_ALLOC_ORDER): Set dirflag as last one.
2758 (DIRFLAG_REG): New macro.
2759 (MD_ASM_CLOBBERS): Asm clobber dirflag for backward compatibility.
2760 (HI_REGISTER_NAMES): Add dirflag.
2761 (DEBUF_PRINT_REG): Handle dirflag.
2762 * i386.md (type attribute): New cld and str types.
2763 (length_opcode attribute): Set cld and str to 1.
2764 (memory attribute): Set str to unknown - it is not clear from the
2766 (pent_np function unit): Prefixed string operations takes 12 cycles
2767 minimally; cld takes 2 cycles.
2768 (ppro_uops attribute): Str is "many" and cld is "few".
2769 (ppro_p0 unit): Handle cld here.
2770 (k6_alux unit): Handle cld and str types.
2771 (k6_load unit): It is ocupied by str opcodes.
2772 (k6_store unit): It is ocupied by str opcodes.
2773 (athlon_decode): Str is vector decoded.
2774 (athlon_ieu): Handle str and cld.
2776 (movstrsi, clrstr, cmpstr, strlen expander): Emit cld instruction
2777 (movstrsi_1, clrstrsi_1, cmpstrsi_1, strlensi_1,
2778 cmpstrsi_nz_1 insn): Do not output cld instruction
2780 Tue Jan 11 06:14:39 2000 David Starner <dstarner98@aasaa.ofe.org>
2782 * gcc.texi (G++ and GCC): Add Java and Chill.
2783 (Bug Critera): Don't list languages.
2785 * gcc.texi (Incompatibilities): No longer claim most C compilers
2788 * gcc.texi (G++ and GCC): Update other front-ends list.
2790 Tue Jan 11 05:49:01 2000 Jeffrey A Law (law@cygnus.com)
2792 * i386.c (ix86_expand_setcc): Fix typo.
2793 (ix86_expand_movcc): Similarly.
2795 * Band-aid until haifa's bitset implementation is nuked.
2796 * haifa-sched.c (extract_bitlst): New parameter for size of the
2797 bitset in bits. All callers changed. Avoid looking at undefined
2799 (edgeset_bitsize): New variable.
2800 (schedule_region): Initialize edgeset_bitsize.
2802 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2804 * Makefile.in (optabs.o): Depend on real.h
2805 (resource.o): Depend on insn-attr.h
2807 * builtins.c (result_vector): Wrap prototype in macro conditions
2808 governing definition and use.
2810 * c-common.c: Include tm_p.h.
2812 * c-lex.c: Likewise.
2814 * elfos.h: Constify a char*.
2816 * final.c (align_fuzz): Wrap prototype in macro HAVE_ATTR_length.
2817 (get_attr_length, shorten_branches, profile_after_prologue): Mark
2818 parameter with ATTRIBUTE_UNUSED.
2820 * fold-const.c (exact_real_inverse): Wrap variable `i' in
2823 * haifa-sched.c (schedule_insns): Mark parameter with
2826 * optabs.c: Include real.h.
2828 * real.h (ereal_atof): Add prototype arguments.
2830 * resource.c: Include insn-attr.h.
2832 * sdbout.c (sdbout_queue_anonymous_type,
2833 sdbout_dequeue_anonymous_types): Wrap in macro
2834 SDB_ALLOW_FORWARD_REFERENCES.
2835 (sdbout_init, sdbout_start_new_source_file): Mark parameter with
2838 * stmt.c (expand_return): Wrap variable `op0' in macro HAVE_return.
2840 * stupid.c: Include tm_p.h.
2842 * tree.c (real_value_from_int_cst): Mark parameter with
2845 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2847 * i960-protos.h: New file.
2849 * i960.c: Include tm_p.h. Add static prototypes. Fix compile
2852 * i960.h: Move prototypes to i960-protos.h. Fix compile time warnings.
2854 2000-01-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
2856 * combine.c (expand_field_assignment): Do not discard SUBREGs
2857 while computing nonzero_bits.
2859 2000-01-09 Nick Clifton <nickc@cygnus.com>
2861 * config/arm/arm.c: Fix compile time warnings about signed vs
2863 * config/arm/arm.h: Fix compile time warnings about signed vs
2866 2000-01-09 Philip Blundell <philb@gnu.org>
2868 * config/arm/arm.c (output_return_instruction): Use `ldr' rather
2869 than `ldm' with only one register.
2870 * config/arm/arm.md (push_multi): Use `str' rather than `stm' with
2873 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Say that R0 is
2876 Sun Jan 9 17:50:23 2000 Hans-Peter Nilsson <hp@axis.com>
2878 * config/ns32k/ns32k.md (load or push effective address): Operand 1
2881 2000-01-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2883 * elfos.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
2884 assignment used as truth value.
2886 * function.c (assign_temp): Mark parameter `dont_promote' with
2887 ATTRIBUTE_UNUSED. Wrap variable `unsignedp' with macro
2888 PROMOTE_FOR_CALL_ONLY.
2890 * genrecog.c (write_subroutine): Mark variable `operands' with
2893 * optabs.c (prepare_cmp_insn): Mark parameter `align' with
2896 * sdbout.c (sdbout_init): Likewise for parameter `asm_file'.
2897 (sdbout_begin_block, sdbout_end_block): Likewise for `file'.
2899 * toplev.c (note_deferral_of_defined_inline_function): Likewise
2902 2000-01-09 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2904 * config/c4x.h: Tidy up comments.
2905 * config/c4x.c: Likewise.
2907 Sun Jan 9 01:02:55 EST 2000 John Wehle (john@feith.com)
2909 * fold-const.c (lshift_double, rshift_double): Handle
2910 shifting by 2 * HOST_BITS_PER_WIDE_INT correctly.
2912 2000-01-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
2914 * toplev.c (rest_of_compilation): Initialize cse_not_expected as
2915 in prepare_function_start().
2917 Sat Jan 8 12:12:46 2000 Nick Clifton <nickc@cygnus.com>
2919 * config/v850/v850.c (expand_epilogue): Interrupt functions no
2920 longer allocate extra stack for function calls.
2922 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2924 * config/c4x/c4x.md (*subqf3_set): Fix typo.
2926 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2928 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Define as 0.
2930 2000-01-07 David Edelsohn <edelsohn@gnu.org>
2932 * rs6000.c (processor_target_table): Add power3 as alias for 630.
2933 * aix43.h: Revert Aug 2 change.
2934 (HAS_INIT_SECTION): Define, not visible yet.
2935 (LD_INIT_SWITCH): Define, not visible yet.
2936 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
2938 * glimits.h (__LONG_MAX__): Recognize 64-bit AIX too.
2940 * collect2.c (main): Expand ld2 size further.
2941 (export_object_lst): Cast assignment to avoid warning.
2942 (main, LD_INIT_SWITCH): Add AIX 4.2+ -binitfini support.
2943 (scan_prog_file, COFF): Do not collect initialization or
2944 finalization functions generated for entire shared object if
2945 init/fini support present.
2947 2000-01-07 Nick Clifton <nickc@cygnus.com>
2949 * config/elfos.h: Tidy up formatting of marcos. Make sure
2950 that .section directives are always prefixed by a tab.
2952 * config/svr4.h: Add #include "elfos.h" and remove duplicate
2955 2000-01-07 Matt Austern <austern@sgi.com>
2957 * fold-const.c (real_hex_to_f): Remove duplicate declaration of
2960 Fri Jan 7 01:55:34 2000 Jeffrey A Law (law@cygnus.com)
2962 * Makefile.in (crtend.o): Pass @inhibit_libc@ to compilation of
2964 (crtbegin.o, s-crtS): Likewise.
2966 2000-01-06 Richard Henderson <rth@cygnus.com>
2968 * alpha.md (adddi_2+1): Limit offset such that it will be
2969 loadable with a single ldah+lda pair.
2970 (adddi_2+2): Explicitly fail split if we can't make it work.
2972 2000-01-06 Mumit Khan <khan@xraylith.wisc.edu>
2974 * protoize.c: Conditionally include unistd.h.
2975 (IS_SAME_PATH_CHAR): New macro.
2976 (IS_SAME_PATH): New macro.
2977 (CPLUS_FILE_SUFFIX): New macro.
2978 (cplus_suffix): New static variable.
2979 (is_abspath): New static function.
2980 (in_system_include_dir): Handle DOS style pathnames.
2981 (file_could_be_converted): Likewise.
2982 (file_normally_convertible): Likewise.
2983 (directory_specified_p): Likewise.
2984 (file_excluded_p): Likewise.
2985 (abspath): Likewise.
2986 (shortpath): Likewise.
2987 (referenced_file_is_newer): Likewise.
2988 (save_def_or_dec): Likewise.
2989 (do_processing): Likewise.
2991 (edit_file): Likewise. Use rename instead of link.
2992 (rename_c_file): Likewise. Don't rename syscalls file.
2993 (munge_compile_params): Define null device for DOS based systems.
2994 (process_aux_info_file): Use binary mode if appliable.
2995 (edit_file): Likewise.
2996 * invoke.texi (Running Protoize): Document C++ suffixes used.
2998 * cccp.c: Delete PATH_SEPARATOR, DIR_SEPARATOR and
2999 IS_DIR_SEPARATOR macros.
3000 * collect2.c: Likewise.
3001 * cppinit.c: Likewise.
3002 * dwarf2out.c: Likewise.
3005 * prefix.c: Likewise.
3007 * toplev.c: Likewise.
3008 * system.h: And move to here.
3010 * prefix.c (update_path): Fix typo in variable name.
3012 2000-01-06 Richard Henderson <rth@cygnus.com>
3014 * flow.c (mark_set_1): Use loop_depth+1 as reference weight.
3015 (find_auto_inc, mark_used_regs, try_pre_increment_1): Likewise.
3016 (count_reg_sets_1, count_reg_references): Likewise.
3017 (flow_loops_level_compute): Start counting actual loop depth at 1.
3018 (flow_loops_find): Likewise.
3019 * local-alloc.c (update_equiv_regs): Likewise.
3020 * regclass.c (regclass): Re-instate Jan 4 0-based loop_depth change.
3022 2000-01-06 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
3024 * defaults.h (DWARF_FRAME_REGISTERS): if not defined, default to
3025 FIRST_PSEUDO_REGISTER
3026 * dwarf2out.c: Don't include frame.h
3027 * dwarfout.c: Likewise
3028 * Makefile.in (dwarfout.o, dwarf2out.o): Remove dependence on
3031 Thu Jan 6 13:44:59 CET 2000 Jan Hubicka <jh@suse.cz>
3033 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
3036 * i386.c (movsf splitter): Fix typo in my last checkin.
3038 2000-01-05 Nick Clifton <nickc@cygnus.com>
3040 * varasm.c (IN_NAMED_SECTION): Allow targets to provide their
3041 own definition of this macro.
3042 (asm_emit_uninitialised): Invoke UNIQUE_SECTION if either
3043 flag_data_sections or UNIQUE_SECTION_P are true.
3045 * tm.texi (UNIQUE_SECTION): Document that it can be called for
3046 unitialised data decls.
3048 * config/i386/winnt.c (i386_pe_unique_section): Cope with
3049 being called for uninitialised data.
3051 * config/i386/interix.c (i386_pe_unique_section): Cope with
3052 being called for uninitialised data.
3054 * config/mips/elf.h (UNIQUE_SECTION): Cope with being called
3055 for uninitialised data.
3057 * config/mips/elf64.h (UNIQUE_SECTION): Cope with being called
3058 for uninitialised data.
3060 * config/mips/iri6gld.h (UNIQUE_SECTION): Cope with being called
3061 for uninitialised data.
3063 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Define.
3064 (UNIQUE_SECTION_P): Always generate a unique section if
3065 flag_data_sections is true.
3066 (UNIQUE_SECTION): Also generate unique sections for
3068 (ASM_OUTPUT_ALIGNED_BSS): Redefine to use named_section().
3069 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Redefine to use
3072 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3074 * config/c4x/t-c4x (TARGET_LIBGCC2_CFLAGS): Don't redefine SF, DF,
3077 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3079 * config/c4x/c4x.md (udivqi3, divqi3): Delete.
3080 (umodqi3, modqi3, udivhi3, divhi3, umodhi3, modhi3, ffsqi2): Likewise.
3081 (*smulqi3_highpart_noclobber, *umulqi3_highpart_noclobber): New.
3082 (*lshrqi3_const_noclobber, *lshrqi3_nonconst_noclobber): Likewise.
3083 (*ashrqi3_const_noclobber, *ashrqi3_nonconst_noclobber): Likewise.
3085 * c4x.h (INIT_TARGET_OPTABS): Define to init libcalls.
3087 2000-01-05 11:25 -0800 Zack Weinberg <zack@rabi.columbia.edu>
3089 * c-decl.c (finish_enum): Simplify code to determine minimum and
3090 maximum values of the enum, and calculate the type. Remove check
3091 for FUNCTION_DECLs in the values list, which cannot happen. Replace
3092 the DECL_INITIAL of each enumeration constant with a copy converted
3093 to the enumeration type. When updating variant types, don't bother
3094 updating the type itself.
3096 * c-typeck.c (build_binary_op): Simplify conditional expressions
3097 when weeding out spurious signed-unsigned warnings. Add new
3098 spurious warning category: if the unsigned quantity is an enum
3099 and its maximum value fits in signed_type(result_type). Update
3101 (build_conditional_expr): Warn here if one alternative is signed
3102 and the other is unsigned.
3104 2000-01-05 Nick Clifton <nickc@cygnus.com>
3106 * config/fr30/fr30.h: Remove extraneous comments.
3108 2000-01-05 Bernd Schmidt <bernds@cygnus.co.uk>
3110 * reload1.c (choose_reload_regs): When disabling a reload, also
3111 set reload_spill_index to -1.
3113 2000-01-04 Joel Sherrill (joel@OARcorp.com>
3115 * configure.in (m68*-*-rtemscoff*): New target, formal name for
3117 (m68*-*-rtemself*): New target.
3118 (mips64orion-*-rtems*): Remove duplicate definition of tm_file.
3119 (sparc*-*-rtemsaout*): New target, formal name for old sparc*-*-rtems*.
3120 (sparc*-*-rtemself*): New target.
3121 (sparc*-*-rtems*): Now elf not a.out.
3122 * config/i386/rtems.h: Include config/rtems.h.
3123 * config/i386/rtemself.h: Include config/rtems.h.
3124 * config/i960/rtems.h: Include config/rtems.h.
3125 * config/m68k/rtems.h: Include config/rtems.h.
3126 * config/m68k/rtemself.h: Include config/rtems.h.
3127 * config/mips/rtems64.h: Include config/rtems.h.
3128 * config/pa/rtems.h: Include config/rtems.h.
3129 * config/rs6000/rtems.h: Include config/rtems.h.
3130 * config/sh/rtems.h: Include config/rtems.h.
3131 * config/sh/rtemself.h: Include config/rtems.h.
3132 * config/sparc/rtems.h: Include config/rtems.h.
3133 * config/sparc/rtemself.h: Include config/rtems.h
3135 Tue Jan 4 23:59:26 2000 Denis Chertykov <denisc@overta.ru>
3137 * final.c (shorten_branches): Correctly compute length of
3138 asms without operands.
3140 Tue Jan 4 22:55:41 2000 Steve Chamberlain <sac@pobox.com>
3142 * configure.in: Add pj target.
3143 * configure: Regenerate.
3144 * config/pj: New directory.
3145 * config/pj/lib1funcs.S: New file.
3146 * config/pj/linux.h: New file.
3147 * config/pj/pj.c: New file.
3148 * config/pj/pj.md: New file.
3149 * config/pj/pjl.h: New file.
3150 * config/pj/t-pj: New file.
3151 * config/pj/xm-pj.h: New file
3153 Tue Jan 4 22:30:16 2000 Jeffrey A Law (law@cygnus.com)
3155 * toplev.c (rest_of_compilation): Run shorten-branches before
3158 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3160 * config/c4x/c4x.h (IS_XXX_REG, IS_XXX_REGNO): Swap behaviour of
3161 macros so that they're consistent with their names.
3162 * config/c4x/c4x.c (IS_XXX_REG, IS_XXX_REGNO): Likewise.
3163 * config/c4x/c4x.md (IS_XXX_REG, IS_XXX_REGNO): Likewise.
3165 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3167 * config/c4x/c4x.md (*addqi3_noclobber_reload): Ensure that CC never
3168 modified inadvertently.
3170 2000-01-04 Joel Sherrill <joel@OARcorp.com>
3172 * configure.in (v850*-*-rtems*): New target.
3173 * configure: Regenerate.
3174 * config/v850/rtems.h: New file.
3176 2000-01-04 Mumit Khan <khan@xraylith.wisc.edu>
3178 * gthr-win32.h (__gthread_active_p): Support Mingw MT runtime.
3179 (__gthread_key_create): Likewise.
3180 (__gthread_key_dtor): Likewise.
3181 (__gthread_once): Fix logic.
3182 (__gthread_key_delete): Cast away constness.
3184 * i386/cygwin.h (SUBTARGET_SWITCHES): Add -mthreads option.
3185 * invoke.texi: Document.
3186 * i386/mingw32.h (CPP_SPEC): Use.
3187 (LIBGCC_SPEC): Likewise.
3188 * i386/crtdll.h (LIBGCC_SPEC): Likewise.
3190 2000-01-04 David Edelsohn <edelsohn@gnu.org>
3192 * rs6000/sysv4.h (ASM_OUTPUT_DEF): Undefine.
3193 (HANDLE_PRAGMA_PACK): Undefine.
3194 (SLOW_UNALIGNED_ACCESS): Define.
3196 2000-01-04 David Edelsohn <edelsohn@gnu.org>
3198 * expmed.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
3199 to default definition.
3200 (store_bit_field): Call SLOW_UNALIGNED_ACCESS with mode and alignment.
3201 (store_fixed_bit_field): Call macro with word_mode and alignment.
3202 (extract_bit_field): Call macro with relevant mode and alignment.
3203 * expr.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
3204 to default definition.
3205 (move_by_pieces): Call SLOW_UNALIGNED_ACCESS with word_mode
3207 (move_by_pieces_ninsns): Likewise.
3208 (clear_by_pieces): Likewise.
3209 (emit_push_insn): Likewise.
3210 (store_field): Call macro with relevant mode and alignment.
3211 (expand_expr): Likewise.
3212 (expand_expr_unaligned): Likewise.
3214 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
3215 (SLOW_UNALIGNED_ACCESS): Define.
3216 (CASE_VECTOR_MODE): Always use 32-bit offsets.
3217 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
3218 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
3219 (toc_section): Likewise and .toc pseudo-op.
3220 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
3222 (TEXT_SECTION_ASM_OP): Likewise.
3223 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
3226 * a29k.h (SLOW_UNALIGNED_ACCESS): Add MODE and ALIGN parameters.
3227 * alpha.h (SLOW_UNALIGNED_ACCESS): Likewise.
3228 * arm/thumb.h (SLOW_UNALIGNED_ACCESS): Likewise.
3229 * gmicro.h (SLOW_UNALIGNED_ACCESS): Likewise.
3230 * fr30.h (SLOW_UNALIGNED_ACCESS): Likewise.
3232 Tue Jan 4 11:44:13 2000 Jeffrey A Law (law@cygnus.com)
3234 * regclass.c: Revert my Jan 4 change to loop cost computation.
3236 Tue Jan 4 19:22:39 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
3238 * regclass.c (regclass): Do not obey REG_N_REFS in non-optimizing
3241 2000-01-04 Stan Cox <scox@cygnus.com>
3243 * haifa-sched.c (build_control_flow): Change unreachable simple
3244 loop test to check if current block has only one predecessor.
3245 (find_rgns): Initialize degree. Use dest as degree index, not src.
3247 2000-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3249 * builtins.c (expand_builtin_strlen): Initialize variable `icode'.
3251 * calls.c (expand_call): Likewise for
3252 `old_stack_arg_under_construction'.
3254 * cpphash.c (macroexpand): Likewise for `args' and `rest_zero'.
3256 * function.c (pad_to_arg_alignment): Likewise for `save_var' and
3259 * gcc.c (execute): Likewise for `ut' and `st'.
3261 * genattrtab.c (attr_rtx): Likewise for `rt_val'.
3263 * genopinit.c (gen_insn): Likewise for `m1', `m2' and `op'.
3265 * jump.c (jump_optimize_1): Likewise for `temp2'.
3267 * local-alloc.c (block_alloc): Likewise for `r1'.
3269 * loop.c (recombine_givs): Likewise for `life_start' and `life_end'.
3271 * reg-stack.c (check_asm_stack_operands): Likewise for `clobber_reg'.
3272 (subst_asm_stack_regs): Likewise for `clobber_reg' and `clobber_loc'.
3274 * regmove.c (fixup_match_1): Likewise for `insn_const', `dst_node'
3277 * reload.c (find_reloads): Likewise for `goal_alternative_number'
3278 and `goal_earlyclobber'.
3280 * scan-decls.c (scan_decls): Likewise for `prev_id_end'.
3282 * sdbout.c (sdbout_one_type): Likewise for `member_scl'.
3284 * stupid.c (stupid_life_analysis): Likewise for `chain'.
3286 * unroll.c (copy_loop_body): Likewise for `copy'.
3288 * varasm.c (output_constructor): Likewise for `byte'.
3290 Tue Jan 4 15:34:34 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
3292 * i386.c (ix86_expand_move): Allow pushes of memory, offload to memory
3293 all FP constants for constant->reg moves.
3294 (ix86_split_to_parts): Try to convert memory address into immediate
3295 when available in the constant pool.
3296 * i386.h (PREFERRED_RELOAD_CLASS): Allow CONST_DOUBLE->integer reg
3298 (LEGITIMATE_CONSTANT_P): Return 1.
3299 * i386.md (pushsf): New splitter to convert constant pool memory
3300 reference to immediate.
3301 (mov?f): Likewise; do not allow CONST_DOUBLE for reg moves before
3304 2000-01-04 Bernd Schmidt <bernds@cygnus.co.uk>
3306 * i386.md (ashlsi3_cmpno): Don't accept variables shifts.
3307 (ashlhi3_cmpno, ashlqi3_cmpno, ashrsi3_cmpno, ashrhi3_cmpno,
3308 ashrqi3_cmpno, lshrsi3_cmpno, lshrhi3_cmpno, lshrqi3_cmpno): Likewise.
3309 (rotlsi3_cmpno, rotlhi3_cmpno, rotlqi3_cmpno, rotrsi3_cmpno,
3310 rotrhi3_cmpno, rotrqi3_cmpno): Likewise.
3312 2000-01-04 Martin von Löwis <loewis@informatik.hu-berlin.de>
3314 * ginclude/stdbool.h: Support compilation as C++.
3316 Tue Jan 4 01:35:13 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3318 * fold-const.c (make_range): Don't try to reverse an unbounded range.
3320 Tue Jan 4 00:18:46 2000 Jeffrey A Law (law@cygnus.com)
3322 * regclass.c (regclass): Properly compute loop_cost. Adjust
3325 * regclass.c: Fix minor whitespace problems.
3327 2000-01-03 Anthony Green <green@cygnus.com>
3329 * config/i386/i386.md (builtin_setjmp_receiver): New pattern.
3330 Restore the pic register if required.
3332 2000-01-03 Ulrich Drepper <drepper@cygnus.com>
3334 * c-common.c (format_char_info): Update comment.
3335 (check_format_info): Recognize 'z' modifier in the same way 'Z'
3336 was recognized. Emit warning for formats new in ISO C99 only
3337 if flag_isoc9x is not set.
3339 Mon Jan 3 12:59:54 2000 Mark P. Mitchell <mark@codesourcery.com>
3341 * config/mips/iris6gld.h: Fix typo in -mabi=n32 specs.
3343 Mon Jan 3 15:33:37 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
3345 * combine.c (expand_compound_operation): Do not convert ZERO_EXTEND to
3346 SIGN_EXTEND, convert SIGN_EXTEND to ZERO_EXTEND.
3347 (make_compound_operation): Choose cheaper alternative between
3348 ZERO_EXTEND and SIGN_EXTEND when sign bit is not set.
3350 * regclass.c (op_costs): Remove global variable.
3351 (record_reg_classes): New parameter "op_costs" and "reg_pref".
3352 (record_operand_costs): Break out from ...
3353 (scan_one_insn): ... here.
3354 (dump_regclass): Make dumps nicer.
3355 (regclass): Dump preferrences choosed and changes done during passes.
3357 2000-01-03 Jakub Jelinek <jakub@redhat.com>
3359 * config/sparc/sparc.c (gen_df_reg): Fix for 32bit SPARC.
3361 2000-01-03 Jakub Jelinek <jakub@redhat.com>
3363 * config/sparc/sparc.c (gen_df_reg): New function.
3364 * config/sparc/sparc-protos.h (gen_df_reg): Add prototype.
3365 * config/sparc/sparc.md (movtf_no_e_insn_sp64+1,
3366 movtf_no_e_insn_sp64+2, movtf_no_e_insn_sp64+3, movtf_cc_sp64+1,
3367 movtf_cc_reg_sp64+1): Use it.
3369 2000-01-02 Mark Mitchell <mark@codesourcery.com>
3371 * integrate.c (copy_decl_for_inlining): Clear TREE_ADDRESSABLE on
3374 Mon Jan 3 02:54:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
3376 * config/i386/i386.c (ix86_expand_unary_operator): Function
3377 definition made void.
3378 (ix86_expand_binary_operator): Update outdated preceding comment.
3379 * config/i386/i386-protos.h (ix86_expand_unary_operator): Update
3382 * config/i386/i386.c (override_options): Fix option-name typo.
3384 2000-01-02 Mark Mitchell <mark@codesourcery.com>
3386 * system.h (CEIL): Define.
3387 * builtins.c (CEIL): Remove.
3388 * expmed.c (CEIL): Likewise.
3389 * expr.c (CEIL): Likewise.
3390 * stor-layout.c (CEIL): Likewise.
3392 2000-01-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3394 * expr.c (store_constructor_field): Fix typo introduced with last
3397 2000-01-01 Mark Mitchell <mark@codesourcery.com>
3399 * tree.h (BINFO_N_BASETYPES): New macro.
3401 2000-01-01 Bernd Schmidt <bernds@cygnus.co.uk>
3403 * expmed.c (emit_store_flag): Prevent losing a pending stack
3404 adjust the same way we prevent losing queued increments.
3406 Fri Dec 31 19:10:31 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3408 * function.c (update_temp_slot_address): Handle case where sum of
3409 temporary address plus offset in register is a valid address.
3411 1999-12-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3413 * genrecog.c (change_state) Corrected typo.
3415 1999-12-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3417 * system.h (bcopy, bcmp, bzero, index, rindex, atof, atol, free,
3418 getcwd, getenv, getwd, sbrk, strstr, malloc, calloc, realloc,
3419 strerror, getrlimit, setrlimit, abort): Add prototype arguments.
3421 1999-12-30 Bernd Schmidt <bernds@cygnus.co.uk>
3423 * i386.c (ix86_expand_fp_compare): In non-sahf non-TARGET_IEEE
3424 case, expand GT comparisons correctly. Fix a comment before this
3427 1999-12-30 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
3429 * dwarfout.c: Include "frame.h"
3430 * dwarf2out.c: Likewise.
3431 * Makefile.in (dwarfout.o): Depend on frame.h
3432 (dwarf2out.o): Likewise.
3434 1999-12-29 "Martin v. Loewis" <martin@loewis.home.cs.tu-berlin.de>
3436 Restore i386 binary compatibility in Dwarf EH info.
3437 * config/i386/i386.h (DWARF_FRAME_REGISTERS): Define as 17, the old
3438 value of FIRST_PSEUDO_REGISTER.
3439 * frame.h (DWARF_FRAME_REGISTERS): Default to FIRST_PSEUDO_REGISTER.
3440 (struct frame_state): Use DWARF_FRAME_REGISTERS.
3441 * dwarfout.c (output_reg_number): Ditto.
3442 * dwarf2out.c (reg_number, expand_builtin_init_dwarf_reg_sizes): Ditto.
3443 (DWARF_FRAME_RETURN_COLUMN): Default to DWARF_FRAME_REGISTERS.
3445 1999-12-29 Bruce Korb <autogen@linuxbox.com>
3447 * fixinc/fixincl.c(wait_for_pid): sometimes a WSTOPSIG of zero is OK
3448 * fixinc/fixincl.tpl(<hack>TEST_CT): Just do the existence test once
3449 (<hack>_RE_CT): not needed
3450 * fixinc/fixlib.c(is_cxx_header): moved from fixtests.c
3451 rewritten to scan the file text once only
3452 "template<..." test added
3453 * fixinc/fixlib.h(apply_fix_p_t): moved from fixtests.c
3454 (is_cxx_header): declaration added
3455 * fixinc/fixtests.c(is_cxx_header): removed
3456 (apply_fix_p_t): removed
3457 (double_slash_test): is_cxx_header is only called once now
3458 * fixinc/hackshell.tpl: indexing the fixes is now done under DEBUG
3459 * fixinc/inclhack.def(FIXINC_DEBUG): added for testing DEBUG state
3460 within the templates.
3461 The borken spelling of "broken" was fixed.
3462 * fixinc/inclhack.tpl: The $VERBOSE level is used on various messages
3463 The default level depends on FIXINC_DEBUG.
3465 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3467 * crtstuff.c: If !inhibit_libc, include stdlib.h/unistd.h.
3468 Otherwise provide a declaration for atexit.
3469 (init_dummy): Make sure dummy call to atexit is nevertheless
3470 called with correct number of args.
3472 * frame.c: Update comments referring to other files.
3474 * libgcc2.c: Likewise.
3476 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3478 * cse.c (free_element, get_element): Remove unused prototypes.
3480 * fold-const.c (extract_muldiv): Initialize variables `op0' and
3483 * jump.c (invert_exp): Add explicit braces to avoid ambiguous
3486 Wed Dec 29 12:44:54 1999 Donald Lindsay <dlindsay@cygnus.com>
3488 * configure.in,configure: case arm for mn10200-*-* now sets
3489 float_format=i32 so that float.h will correctly claim "double"
3490 to be 32 bits. Ran autoconf to generate configure from .in file.
3492 Wed Dec 29 10:53:21 1999 Jeffrey A Law (law@cygnus.com)
3494 * pa.md (conditional zero): If op1 is a register, force it into
3495 the same register as op0.
3497 1999-12-28 Mark Mitchell <mark@codesourcery.com>
3499 * tree.h (BINFO_BASETYPES): Improve documentation.
3501 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3503 * configure.in (--enable-checking): Use a more portable `for'
3506 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3508 * configure.in (AC_DECL_SYS_SIGLIST, xm-siglist.h,
3509 arm/xm-netbsd.h, NO_SYS_SIGLIST): Don't use.
3511 * xm-siglist.h, arm/xm-netbsd.h, mips/xm-news.h, mips/xm-sysv4.h:
3514 * gcc.texi (NO_SYS_SIGLIST, sys_siglist, SYS_SIGLIST_DECLARED):
3515 Delete descriptions.
3517 * i386/osf1elf.h, i386/xm-cygwin.h, i386/xm-mingw32.h, m68k/3b1.h,
3518 m68k/a-ux.h, m68k/dpx2.h, m68k/plexus.h, m68k/xm-hp320.h,
3519 m88k/xm-m88k.h, mips/x-sni-svr4, pa/xm-pa.h, pa/xm-pahpux.h,
3520 pa/xm-papro.h, we32k/xm-we32k.h, winnt/xm-winnt.h, xm-interix.h,
3521 xm-svr4.h: Remove all instances of sys_siglist handling.
3523 1999-12-27 Jakub Jelinek <jakub@redhat.com>
3525 * config/sparc/sparc.md (cmp_zero_qi,
3526 cmp_zero_extendqisi2_andcc_set, cmp_zero_qi_sp64,
3527 cmp_zero_extendqidi2_andcc_set): New patterns.
3529 1999-12-28 Manfred Hollstein <mhollstein@cygnus.com>
3531 * m68k/t-mot3300-gald (CROSS_LIBGCC1): Define to libgcc1-asm.a.
3532 (LIB1ASMSRC, LIB1ASMFUNCS, LIB2FUNCS_EXTRA): Define.
3533 (fpgnulib.c, xfgnulib.c): Add rules.
3534 * m68k/t-mot3300-gas: Likewise.
3536 1999-12-27 Ian Lance Taylor <ian@zembu.com>
3538 * configure.in: Avoid [[ by using test and changequote. Add
3539 changequote required by 1999-12-14 change.
3540 * configure: Rebuild.
3542 1999-12-27 Clinton Popetz <cpopetz@cygnus.com>
3544 * config/mips/mips.h: Fix typo from 12/17/99 libgcc2 fix.
3546 1999-12-27 Christophe Jaillet <jaillet.christophe@caramail.com>
3548 * alias.c (nonlocal_reference_p): Add else for disjoint ifs.
3549 * flow.c (find_use_as_address): Likewise.
3550 * function.c (fixup_var_refs_1): Likewise.
3551 (walk_fixup_memory_subreg, fixup_stack_1): Likewise.
3552 * jump.c (invert_exp, redirect_exp): Likewise.
3553 * loop.c (replace_call_address): Likewise.
3554 (count_nonfixed_reads): Likewise.
3555 * rtlanal.c (modified_between_p): Likewise.
3556 (modified_in_p, volatile_insn_p, volatile_refs_p): Likewise.
3557 (side_effects_p, replace_regs, jmp_uses_reg_or_mem): Likewise.
3558 * unroll.c (remap_split_bivs): Likewise.
3560 1999-12-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3562 * diagnostic.c (v_message_with_decl): Use .* format specifier
3563 instead of building the format specifier width manually.
3565 * system.h (strsignal): Don't check HAVE_STRSIGNAL when
3566 determining whether to provide a prototype. Remove the
3567 sys_siglist clause in the conditional.
3569 1999-12-23 Martin v. Löwis <loewis@informatik.hu-berlin.de>
3571 * fold-const.c (operand_equal_p): Use memcmp to compare string
3573 Suggested by D. J. Bernstein
3575 1999-12-17 Jakub Jelinek <jakub@redhat.com>
3577 * config/h8300/h8300.h (TARGET_H8300H, TARGET_H8300S): Make sure
3578 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
3580 * config/mips/mips.h (TARGET_64BIT): Likewise.
3581 * config/rs6000/rs6000.h (TARGET_POWERPC64): Likewise.
3582 * libgcc2.c: Use {,U}{HW,W,DW}type and DWunion everywhere instead
3583 of {SI,DI}type and DIunion. Define these types to QI/HI modes on
3584 dsps. Give routines proper names if SI/DI modes are not used.
3585 * longlong.h: Use DWunion instead of DIunion.
3587 1999-12-26 Zack Weinberg <zack@wolery.cumb.org>
3589 * acconfig.h: New ENABLE flags: TREE_CHECKING, RTL_CHECKING,
3590 GC_CHECKING, GC_ALWAYS_COLLECT.
3591 * configure.in: Allow --enable-checking with an argument
3592 listing check modes to enable.
3593 * config.in, configure: Rebuilt.
3594 * ggc-page.c, ggc-simple.c: Define GGC_POISON (and
3595 GGC_ALWAYS_VERIFY for ggc-simple.c) only if
3596 ENABLE_GC_CHECKING. Define GGC_ALWAYS_COLLECT only if
3597 ENABLE_GC_ALWAYS_COLLECT.
3598 * rtl.h, rtl.c: Change ENABLE_CHECKING to ENABLE_RTL_CHECKING
3600 * tree.h, tree.c: Change ENABLE_CHECKING to
3601 ENABLE_TREE_CHECKING throughout.
3603 Sun Dec 26 07:48:20 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3605 * fold-const.c (fold_truthop): Properly check for FP RHS.
3607 1999-12-24 Mark Mitchell <mark@codesourcery.com>
3609 * toplev.h (note_deferall_of_defined_inline_function): Declare.
3610 * toplev.c (note_deferral_of_defined_inline_function): New
3611 function, split out from ...
3612 (rest_of_compilation): ... here. Use it.
3614 Fri Dec 24 12:34:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3616 * expr.c (store_constructor): Don't call clear_storage if size is
3619 1999-12-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3621 * Makefile.in (toplev.o): Depend on loop.h.
3623 * dwarfout.c: Include tm_p.h.
3625 * emit-rtl.c (restore_emit_status): Mark parameter with
3628 * final.c (final_scan_insn): Likewise.
3630 * flow.c (flow_nodes_print, flow_exits_print, flow_loops_cfg_dump,
3631 flow_loop_nested_p, flow_loop_exits_find, flow_loop_nodes_find,
3632 flow_depth_first_order_compute, flow_loop_pre_header_find,
3633 flow_loop_tree_node_add, flow_loops_tree_build,
3634 flow_loop_level_compute, flow_loops_level_compute,
3635 flow_loop_outside_edge_p): Add prototypes.
3636 (recompute_reg_usage): Mark parameters with ATTRIBUTE_UNUSED.
3638 * ggc-callbacks.c (lang_mark_tree, lang_mark_false_label_stack):
3639 Mark with ATTRIBUTE_NORETURN.
3641 * hash.c (hash_newfunc): Mark parameter with ATTRIBUTE_UNUSED.
3643 * local-alloc.c (no_conflict_p): Likewise.
3645 * loop.c (insert_bct): Hide definitions of variables with hidden
3647 (note_reg_stored): Mark parameter with ATTRIBUTE_UNUSED.
3649 * regclass.c (memory_move_secondary_cost): Mark variable `mem'
3650 with ATTRIBUTE_UNUSED.
3651 (record_reg_classes): Mark parameter with ATTRIBUTE_UNUSED.
3652 (reg_scan): Likewise.
3654 * reload.c (find_reloads): Remove unused variables `changed'.
3656 * reload1.c (reload_reg_class_lower): Don't unnecessarily cast
3658 (allocate_reload_reg): Mark parameter with ATTRIBUTE_UNUSED.
3659 Remove unused variable `insn'.
3661 * toplev.c: Include loop.h.
3662 (report_file_and_line): Remove unnecessary prototype.
3664 * tree.c (build_block): Mark parameter with ATTRIBUTE_UNUSED.
3666 * unroll.c (biv_total_increment): Likewise.
3668 Thu Dec 23 23:15:22 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
3670 * reload1.c (emit_input_reload_insns): Restore old behaviour
3671 wrt. 'special' reloads.
3673 1999-12-23 Zack Weinberg <zack@wolery.cumb.org>
3675 * Makefile.in (ggc-simple.c, ggc-page.c): Don't depend on
3676 hash.h. (cse.c): Don't depend on hashtab.h.
3678 * cse.c: Don't include hashtab.h.
3679 (hash_cse_reg_info, cse_reg_info_equal_p): Delete prototypes
3681 * ggc-simple.c: Don't include hash.h.
3683 1999-12-22 Jason Merrill <jason@casey.cygnus.com>
3685 * dwarf2out.c (add_abstract_origin_attribute): Call
3686 gen_abstract_function on our function context.
3688 Thu Dec 23 03:57:10 1999 Hans-Peter Nilsson <hp@bitrange.com>
3690 * Makefile.in (INTEGRATE_H): Fix typo: INTEGRATE_H, not INTREGRATE_H.
3692 1999-12-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3694 * config/c4x/c4x.c (c4x_address_cost): Add statement to default
3697 1999-12-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3699 * config/c4x/c4x.md (*addqi3_noclobber_reload): Change operand 0
3700 constraints to "a!r".
3702 1999-12-21 Mark Mitchell <mark@codesourcery.com>
3704 * Makefile.in (calls.o): Depend on function.h.
3705 (alias.o): Likewise.
3707 1999-12-21 Bernd Schmidt <bernds@cygnus.co.uk>
3709 * reload1.c (emit_reload_insns): Break out code and variables into...
3710 (input_reload_insns, other_input_address_reload_insns,
3711 other_input_reload_insns, input_address_reload_insns,
3712 inpaddr_address_reload_insns, output_reload_insns,
3713 output_address_reload_insns, outaddr_address_reload_insns,
3714 operand_reload_insns, other_operand_reload_insns,
3715 other_output_reload_insns): ... new static variables, and...
3716 (emit_input_reload_insns, emit_output_reload_insns, do_input_reload,
3717 do_output_reload): ... new functions.
3719 Tue Dec 21 07:06:36 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3721 * pa.h (FUNCTION_ARG_BOUNDARY): Never return 0.
3723 1999-12-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3725 * md.texi: Add c4x constraints documentation.
3727 1999-12-21 Martin v. Löwis <loewis@informatik.hu-berlin.de>
3729 * config/i386/dgux.c (struct option): Rename to
3730 lang_independent_option.
3731 (struct m_options): Add description field.
3732 (output_options): Rename option type, add sep declaration, output
3733 ix86_cpu_string and ix86_arch_string only if set.
3734 (output_file_start): Rename option type.
3736 Mon Dec 20 23:15:36 1999 Mike Stump <mrs@wrs.com>
3738 * Makefile.in (crtbegin.o, crtend.o, s-crtS): Depend on
3740 (libgcc2.a): Similarly.
3742 Mon Dec 20 23:06:47 1999 David Edelsohn <edelsohn@gnu.org>
3744 * longlong.h (_ARCH_PPC): Only protect add_ssaaaa and sub_ddmmss
3745 with W_TYPE_SIZE == 32. Do not fall through to POWER architecture
3746 for umul_ppmm and smul_ppmm if !_ARCH_PPC and !_ARCH_POWER.
3748 Mon Dec 20 23:02:03 1999 Jeffrey A Law (law@cygnus.com)
3750 * fold-const.c (real_hex_to_f): Remove unused "isldouble" variable.
3751 Remove redundant initialization of "frexpon" and "expon".
3753 Mon Dec 20 15:00:04 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3755 * tree.c (real_value_from_int_cst): Clear REAL_VALUE_TYPE object first.
3757 * expr.c (store_constructor): New argument SIZE; pass to clear_storage.
3758 (store_constructor_field, expand_expr): Pass new arg.
3760 1999-12-20 Mark Mitchell <mark@codesourcery.com>
3762 * Makefile.in (explow.o): Depend on function.h.
3764 * stor-layout.c (set_sizetype): Fix typo.
3766 1999-12-20 Bernd Schmidt <bernds@cygnus.co.uk>
3768 * function.c (cfun): Renamed from current_function. All users
3770 * function.h (cfun): Rename declaration as well.
3772 * reload.h (struct insn_chain): Change live_throughout and dead_or_set
3773 to be of type regset_head, not regset. All users changed by adding
3775 * reload1.c (new_insn_chain): Don't allocate regsets, just clear them.
3777 1999-12-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3779 * config/c4x/rtems.h: New file.
3781 1999-12-19 Bernd Schmidt <bernds@cygnus.co.uk>
3783 * reload1.c (spill_failure): Take class of failed reload as argument
3784 and print it. Caller changed.
3786 Sun Dec 19 07:50:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3788 * rs6000.h (SUBTARGET_DEFAULT): New macro.
3789 (TARGET_SWITCHES): Allow subtargets to default switches.
3790 * rs6000/vxppc.h (SUBTARGET_DEFAULT): New macro.
3792 1999-12-18 Mark Mitchell <mark@codesourcery.com>
3794 * crtstuff.c (__do_global_ctors_aux): Do not call __cxa_finalize
3797 Sat Dec 18 20:42:43 1999 Richard Henderson <rth@cygnus.com>
3799 * cccp.c (main): Define __STDC_VERSION__ as necessary.
3800 * cppinit.c (cpp_handle_option): Likewise.
3802 * ginclude/stdarg.h (va_copy): Use __STDC_VERSION__ to
3803 determine when to define.
3805 Sat Dec 18 20:34:00 1999 Richard Henderson <rth@cygnus.com>
3807 * alpha.c (alpha_emit_conditional_move): If TARGET_FIX, handle
3808 cmove with mismatched test and data modes.
3810 Sat Dec 18 20:30:15 1999 Richard Henderson <rth@cygnus.com>
3812 * c-typeck.c (c_expand_start_case): Don't warn for long switch
3815 Sat Dec 18 16:28:43 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3817 * alias.c: Minor reformatting.
3820 * stor-layout.c: Likewise.
3821 * fold-const.c: Likewise.
3822 (OVERFLOW_SUM_SIGN): Renamed from overflow_sum_sign.
3823 (struct cb_args, const_binop_1, const_binop): Pass type of arg,
3825 (size_int_wide): Cache nodes even if garbage collecting.
3826 (twoval_comparison_p): Reenable SAVE_EXPR case if operand
3827 of SAVE_EXPR has no side effects.
3828 * cse.c: Move a comment.
3829 * tree.c: Minor reformatting.
3830 (int_size_in_bytes): Return -1 if constant overflows.
3832 Sat Dec 18 18:30:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
3834 * unroll.c (copy_loop_body): Don't treat a REG like a PLUS.
3836 1999-12-18 10:42 -0800 Zack Weinberg <zack@wolery.cumb.org>
3838 * objc/objc-parse.c: Regenerate. This file must be rebuilt
3839 after any change to c-parse.in, even if objc-parse.y didn't
3842 1999-12-18 David S. Miller <davem@redhat.com>
3844 * toplev.c (rest_of_compilation): Restore BLOCK tree
3845 reconstruction and branch shortening changes lost in
3846 December 18th change.
3848 Sat Dec 18 05:29:29 1999 Scott Bambrough <scottb@netwinder.org>
3850 * config/arm/linux-elf.h: Change all instances of
3851 ARM_FLAG_SHORT_BYTES to ARM_FLAG_MMU_TRAPS.
3852 * config/arm/uclinux-elf.h: Likewise.
3854 1999-12-18 Gabriel Dos Reis <gdr@codesourcery.com>
3856 * toplev.c (notice, vmessage, v_message_with_file_and_line,
3857 v_message_with_decl, file_and_line_for_asm,
3858 v_error_with_file_and_line, v_error_with_decl, v_error_for_asm,
3859 verror, vfatal, v_warning_with_file_and_line, v_warning_with_decl,
3860 v_warning_for_asm, vwarning, vpedwarn, v_pedwarn_with_decl,
3861 v_pedwarn_with_file_and_line, vsorry, vnotice, count_error,
3862 pfatal_with_name, fatal_io_error, need_error_newline,
3863 last_error_function, last_error_tick, announce_function,
3864 default_print_error_function, print_error_function,
3865 report_error_function, fnotice, error_with_file_and_line,
3866 error_with_decl, error_for_asm, error, set_fatal_function, fatal,
3867 _fatal_insn, _fatal_insn_not_found, warning_with_file_and_line,
3868 warning_with_decl, warning_for_asm, warning, pedwarn,
3869 pedwarn_with_decl, pedwarn_with_file_and_line, sorry): Move to
3871 (compile_file): Use fnotice instead of notice. Adjust call.
3873 * diagnostic.c: New file.
3875 * Makefile.in (OBJS): Include diagnostic.o
3876 (diagnostic.o): Define dependence.
3878 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3880 * config/c4x/c4x.h (ASM_OUTPUT_XXX): Wrap in do-while(0).
3883 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3885 * config/c4x/c4x.md (rpts_top, rptb_top): Add clobbers for rs and re.
3887 1999-12-17 13:21 -0800 Zack Weinberg <zack@rabi.columbia.edu>
3889 * fixtests.c (is_cxx_header): New fn, split out of
3891 (else_endif_label): Allow "#endif // comment" in C++ headers,
3892 as determined by is_cxx_header.
3893 * fixfixes.c (else_endif_label_fix): Update comment.
3894 * fixincl.c: Don't output VERB_PROGRESS lines if stdout is not
3896 * genfixes: Correct double thinko in commandline parsing.
3897 * hackshell.tpl: Generate correct sh syntax for bypass
3900 * inclhack.def (all): Whenever an inserted preprocessor
3901 conditional is split over multiple lines, use double
3902 backslashes in this file so the fixed header will be readable.
3904 (AAB_fd_zero_glibc_1_0): Rename to AAB_fd_zero_asm_posix_types_h
3905 and add bypass entry for correct version of this header.
3906 (AAB_fd_zero_glibc_1_x): Rename to AAB_fd_zero_gnu_types_h.
3907 (AAB_fd_zero_glibc_2_0): Rename to AAB_fd_zero_selectbits_h.
3909 (hpux8_bogus_inlines): New fix, split from...
3910 (ultrix_atof_param) ... here.
3911 (math_expression): Add bypass entry keyed to glibc comment
3912 indicating the problem has been dealt with; disable
3913 unnecessary sed operations; update commentary.
3914 (math_gcc_ifndefs): Rename to math_huge_val_from_dbl_max,
3915 add select and bypass entries, simplify shell operation.
3916 (math_huge_val_ifndef): Split from math_gcc_ifndefs.
3918 (ip_missing_semi, rs6000_param, tinfo_cplusplus,
3919 ultrix_atof_param): Add select entry.
3920 (stdio_va_list, sunos_mather_decl): Add bypass entry.
3921 (systypes_for_aix, sysv86_string, tinfo_cplusplus): Put the
3922 comments with the fixes they describe.
3924 * c-parse.in (string action): Do not warn about ANSI string
3925 concatenation in system headers. Affects C parser only.
3926 * c-parse.y, c-parse.c, c-parse.h: Rebuild.
3928 1999-12-16 Jakub Jelinek <jakub@redhat.com>
3930 * config/sparc/sparc.h (TARGET_ARCH32): Exchange ifdefs so that if
3931 compiling libgcc2 the macro depends always on arch cpp defines.
3933 Fri Dec 17 10:34:16 1999 Richard Earnshaw <rearnsha@arm.com>
3935 * loop.c (insert_loop_mem): Don't record MEMs from inside
3938 Fri Dec 17 12:08:11 MET 1999 Jan Hubicka <hubicka@freesoftr.cz>
3940 * regclass.c (regclass): Do not use flowgraph when not optimizing.
3942 * gcse.c (try_replace_reg): Do replacements in REG_EQUAL/REG_EQUIV
3943 notes too, create one when replacement failed, attempt to simplify
3945 (cprop_insn): Propagate even to registers mentioned only in REG_EQUAL
3948 1999-12-16 Mark Mitchell <mark@codesourcery.com>
3950 * crtstuff.c (__dso_handle): Declare.
3951 (__cxa_finalize): Likewise.
3952 (do_global_dtors_aux): Call __cxa_finalize if __dso_handle is
3955 * invoke.texi: Document -fuse-cxa-atexit.
3957 * tree.h (ptr_type_node): Document.
3958 (const_ptr_type_node): Likewise.
3960 Fri Dec 17 01:32:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
3962 * regmove.c (optimize_reg_copy_1): Ignore LOOP notes.
3963 (optimize_reg_copy_2): Likewise.
3964 (optimize_reg_copy_3): Likewise.
3965 (fixup_match_2): Likewise.
3966 (regmove_optimize): Likewise.
3967 (fixup_match_1): Liekwise.
3969 * i386.md (HI to SImode promoting splitters): Rewrite.
3970 (pushsf mem peep2): New.
3971 (testhi to andhi peep2): Remove.
3972 * i386.h (x86_promote_QImode): New.
3973 (TARGET_PROMOTE_QImode): New.
3974 (PREDICATE_CODES): Add promotable_binary_operator.
3975 * i386.c (x86_promote_QImode0: New.
3976 (promotable_binary_operator): New.
3977 * i386-protos.h (promotable_binary_operator): New.
3979 * i386.md (test?i_1): Use "nonmemory_operand" predicate, simplify
3981 (one_cmpl?i*): Pass "NOT" to unary_operator_ok.
3983 1999-12-16 Mark Mitchell <mark@codesourcery.com>
3985 * Makefile.in (INTREGRATE_H): Rename to INTEGRATE_H.
3986 * function.c (insert_block_after_note): Remove.
3987 (retrofit_block): Likewise.
3988 (identify_blocks): Fix indentation.
3989 (reorder_blocks): Don't NULL out NOTE_SOURCE_FILE for a
3990 NOTE_INSN_BLOCK_BEG or NOTE_INSN_BLOCK_END.
3991 * function.h (insert_block_after_note): Remove prototype.
3992 (retrofit_block): Likewise.
3993 * integrate.c (expand_inline_function): Don't call
3994 find_loop_tree_blocks. Use expand_start_bindings_and_block, not
3995 just expand_start_bindings. Use the block_map to remap old
3996 NOTE_BLOCKs to new ones.
3997 (integrate_decl_tree): Keep track of remapped blocks.
3998 * integrate.h (struct inline_remap): Add block_map.
3999 * stmt.c (expand_fixup): Don't try to retrofit_blocks. Just set
4000 NOTE_BLOCK on the notes.
4001 (expand_start_bindings): Rename to ...
4002 (expand_start_bindings_and_block): Add parameter. Set NOTE_BLOCK.
4003 (expand_end_bindings): Set NOTE_BLOCK.
4004 * toplev.c (rest_of_compilation): In function-at-a-time-mode,
4005 reconstruct the BLOCK tree.
4006 * tree.h (expand_start_bindings): Macroize. Call ...
4007 (expand_start_bindings_and_block): New function.
4009 1999-12-16 Jakub Jelinek <jakub@redhat.com>
4011 * config/sparc/sparc.c (print_operand): Cast fprintf arguments
4012 to match the format.
4014 1999-12-16 David S. Miller <davem@redhat.com>
4016 * expr.c (emit_move_insn_1): Only emit clobbers if one of
4017 the outputs is a SUBREG.
4018 * rtlanal.c (reg_overlap_mentioned_p): Revert December 15th
4021 * config/sparc/sparc.c (epilogue_renumber): Add default case
4024 Thu Dec 16 11:33:57 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
4026 * toplev.c (rest_of_compilation): Run branch shortening after
4029 * regclass.c (loop_depth): Remove
4030 (scan_one_insn): Do not handle LOOP_NOTE insns.
4031 (regclass): Go through basic blocks and set loop_cost
4033 Thu Dec 16 02:56:25 1999 Zack Weinberg <zack@bitmover.com>
4035 * tree.h (DECL_FROM_INLINE): Check DECL_ABSTRACT_ORIGIN too.
4037 Thu Dec 16 10:43:35 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
4039 * i386.md (movqi): Use "nonimmediate_operand" for output operand.
4040 (movstrictqi, movdi, movsf, movdf, movxf): Likewise.
4041 (adddi, addqi, addhi, subdi, subqi, subhi, ffs): Likewise.
4043 Thu Dec 16 02:41:26 1999 Richard Henderson (rth@cygnus.com)
4045 * loop.c (insert_loop_mem): Ignore memory clobbers.
4047 * combine.c (simplify_comparison): Reduce (OP (MINUS A B) 0)
4050 Thu Dec 16 02:26:11 1999 Jeffrey A Law (law@cygnus.com)
4052 * profile.c: Remove redundant #include "output.h".
4054 * h8300.md (HImode preinc peephole): Fix typo.
4056 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
4058 * function.c (retrofit_block): Abort if we don't find a suitable insn.
4059 (insert_block_after_note): Abort if we don't have a previous block.
4060 Remove FN parameter.
4061 * function.h: Adjust.
4063 1999-12-15 Mark Mitchell <mark@codesourcery.com>
4065 * builtins.c (expand_builtin_mathfn): Make sure not to expand the
4066 argument more than once.
4068 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
4070 * stmt.c (expand_decl): Expand upper bound of a dynamic array.
4072 1999-12-15 Jakub Jelinek <jakub@redhat.com>
4074 * expr.c (emit_group_load): Use dst mode if src is VOIDmode.
4076 Wed Dec 15 16:11:55 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
4078 * function.c (PREFERRED_STACK_BOUDNARY): Provide default value.
4079 (assign_stack_local_1): Limit alignment to PREFERRED_STACK_BOUNDARY,
4080 update stack_alignment_needed.
4081 (prepare_function_start): Initialize stack_alignment_needed
4082 * function.h (struct function): Add field stack_alignment_needed.
4084 Wed Dec 15 14:55:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
4086 * caller-save.c (insert_one_insn): Returns struct insn_chain *.
4087 Handle live_throughout / dead_or_set instead of live_before /
4089 (save_call_clobbered_regs): Get register livenessinformation from
4090 chain->live_throughout.
4091 (add_stored_regs): New function.
4092 (insert_restore, insert_save): Add restored / saved registers to
4094 * global.c (reg_dies): New parameter chain.
4095 (reg_becomes_live): Third parameter is regs_set now.
4096 Changed all callers.
4097 (reg_dies): New parameter chain. Changed all callers.
4098 (build_insn_chain): Set live_throughout instead of
4099 live_before / live_after.
4100 * reload.h (struct insn_chain): Replace members live_before /
4101 live_after with live_throughout / dead_or_set.
4102 * reload1.c (new_insn_chain): Handle live_throughout / dead_or_set
4103 instead of live_before / live_after.
4104 (maybe_fix_stack_asms, find_reload_regs, finish_spills): Likewise.
4105 (order_regs_for_reload, find_reg, finish_spills): Likewise.
4106 (choose_reload_regs_init): Likewise.
4107 * stupid.c (current_chain, find_clobbered_regs): Delete.
4108 (stupid_life_analysis): Set chain->live_throughout chain->dead_or_set
4109 instead of chain->live_before / chain->live_after.
4110 (mark_hard_ref): New function.
4111 (stupid_mark_refs): Call mark_hard_ref. Clear chain->live_throughout.
4113 1999-12-15 David S. Miller <davem@redhat.com>
4115 * rtlanal.c (reg_overlap_mentioned_p): Handle CONCAT.
4117 Wed Dec 15 15:05:30 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
4119 * flow.c (calculate_loop_depth): Make global, remove prototype,
4120 rewrite to use new loop infrastructure.
4121 (find_basic_block): Remove calculate_loop_depth call.
4122 * toplev.c (rest_of_compilation): Call find_basic_block.
4123 * output.h (calculate_loop_depth): Declare.
4125 * flow.c (dump_flow_info): Dump loop_depth.
4126 (flow_loops_nodes_find): Increase loop_depth for basic block in the
4128 (flow_loops_find): Initialize the loop_depth for each basic block.
4130 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
4132 * tree.c (decl_function_context): Handle virtual functions.
4134 * tlink.c (scan_linker_output): Don't look in demangled name when
4135 looking for linker output keywords.
4137 * dwarfout.c (output_type): We can defer namespace-scope classes.
4139 Wed Dec 15 01:23:29 1999 Jeffrey A Law (law@cygnus.com)
4141 * regclass.c (record_reg_classes): Update comment for merging
4142 register class preferences in reg->reg copies. Tighten conditions
4143 for merging register class preferences in reg->reg copies.
4145 Wed Dec 15 02:19:32 1999 David Edelsohn <edelsohn@gnu.org>
4147 * rs6000.md (tablejumpdi): Generate DImode LABEL_REF.
4149 1999-12-14 Geoff Keating <geoffk@cygnus.com>
4151 * config/m68k/m68020-elf.h (ENDFILE_SPEC): Delete.
4152 (INIT_SECTION_ASM_OP): Delete.
4153 (FINI_SECTION_ASM_OP): Delete.
4154 (STARTFILE_SPEC): Define to hold just crtbegin.o.
4156 1999-12-14 Jason Merrill <jason@casey.cygnus.com>
4158 * dwarf2out.c (add_abstract_origin_attribute): Do call abort if
4159 the abstract origin wasn't emitted.
4161 * dwarf2out.c (class_scope_p): New fn.
4162 (gen_subprogram_die): Use it.
4163 (gen_variable_die): Use it. Tweak logic.
4164 (gen_struct_or_union_type_die): Check context_die to determine
4165 if we're function-local.
4166 (dwarf2out_decl): Check DECL_BUILT_IN, not DECL_FUNCTION_CODE.
4168 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
4170 * loop.c (check_dbra_loop): Can't reverse a biv that has
4173 1999-12-14 Nick Clifton <nickc@cygnus.com>
4175 * config/arm/arm.c: Add support for -mcpu=arm720 command line
4178 Tue Dec 14 18:13:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
4180 * loop.c (strength_reduce): Fix sign of giv lifetime calculation
4181 for givs made from biv increments.
4183 Tue Dec 14 08:11:27 1999 Richard Henderson <rth@cygnus.com>
4185 * configure.in (alpha-osf, alpha-linux): Handle ev6[78].
4186 * alpha.c (override_options): Recognize -mcpu=ev67.
4187 * alpha.h (CPP_CPU_EV67_SPEC): New.
4188 (CPP_CPU_DEFAULT_SPEC): Examine TARGET_CPU_DEFAULT to use it.
4189 (EXTRA_SPECS): Update.
4191 Tue Dec 14 08:04:28 1999 Richard Henderson <rth@cygnus.com>
4193 * cppp.c (main): Set trigraphs and __STRICT_ANSI__ as
4194 appropriate for -lang-c89 and -std=*.
4195 * cppinit.c (cpp_handle_option): Likewise.
4196 (new_pending_define): New, split out from cpp_handle_option.
4197 * gcc.c (default_compilers): Don't define __STRICT_ANSI__
4198 or enable trigraphs for -ansi/-std=*.
4200 * ginclude/stdarg.h (__va_copy): New.
4201 (va_copy): Don't define for C89.
4203 Tue Dec 14 08:37:27 CST 1999 Clinton Popetz <cpopetz@cygnus.com>
4205 * config/arm/arm.md (mulsidi3adddi, umulsidi3adddi): New patterns
4206 for long long multiply-accumulate.
4208 Tue Dec 14 13:51:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
4210 * regclass.c (scan_one_insn): Set loop_cost to 1 when
4211 optimizing for size.
4213 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
4215 * reload1.c (reload): Can't avoid select_reload_regs/finish_spills
4216 if something changed. Back out that part of yesterday's changes.
4218 * loop.c (loop_max_reg): New static variable.
4219 (loop_optimize): Initialize it. Eliminate one unnecessary call to
4221 (scan_loop): Call reg_scan_update whenever we may have added new
4222 registers, and update loop_max_reg.
4224 Tue Dec 14 12:07:29 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
4226 * regclass.c (record_reg_classes): Do not do the copying preferrencing
4227 when source does not die.
4229 * regclass.c (record_reg_classes): Handle INOUT operands propertly.
4231 1999-12-14 Jakub Jelinek <jakub@redhat.com>
4233 * config/sparc/linux64.h (TARGET_LIVE_G0,
4234 TARGET_BROKEN_SAVERESTORE): Don't support weird SPARC
4236 * config/sparc/linux.h (TARGET_LIVE_G0,
4237 TARGET_BROKEN_SAVERESTORE): Likewise.
4238 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
4239 TARGET_BROKEN_SAVERESTORE): Likewise.
4241 * config/sparc/sparc.h (SPARC_DEFAULT_CMODEL): Default to CM_32.
4242 (CONDITIONAL_REGISTER_USAGE): For block profiling fix %g4 on sparc64,
4244 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Use %g4 instead of %g2
4245 as sparc64 block profiling register.
4246 * config/sparc/sparc.c (sparc_override_options): Allow block
4247 profiling with -m32.
4248 (sparc_block_profiler): Use %g4 instead of %g2 as sparc64 block
4250 * config/sparc/linux64.h (MACHINE_STATE_*): Only provide these
4251 macros on TARGET_ARCH32. sparc.h has macros good enough for sparc64.
4252 * config/sparc/sol2.h (MACHINE_STATE_*): Likewise.
4254 * config/sparc/xm-sp64.h: Avoid using __sparc_v9__ when testing
4256 * config/sparc/sparc.h: Likewise.
4257 * config/sparc/xm-sysv4-64.h: Likewise.
4258 * config/float-sparc.h: Likewise.
4259 * glimits.h: Likewise.
4260 * longlong.h: Likewise.
4262 * config/sparc/linux64.h (DEFAULT_VTABLE_THUNKS): Define to 1.
4263 (ASM_IDENTIFY_GCC): Remove.
4265 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
4267 * combine.c (combine_simplify_rtx): Don't make shared rtl.
4268 (simplify_logical): Likewise.
4270 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
4272 * cccp.c (INO_T_EQ): Disable inode-based optimization for Cygwin.
4273 * cppfiles.c (INO_T_EQ): Likewise.
4275 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
4277 * i386/crtdll.h (STARTFILE_SPEC): Add -pg profiling support.
4278 * i386/mingw32.h (LIB_SPEC): Likewise.
4279 (STARTFILE_SPEC): Likewise.
4280 * i386/uwin.h (LIB_SPEC): Likewise.
4281 (STARTFILE_SPEC): Likewise.
4283 * i386/mingw32.h (SUBTARGET_PROLOGUE): Override Cygwin definition.
4284 * i386/uwin.h (SUBTARGET_PROLOGUE): Likewise.
4286 Mon Dec 13 20:25:29 1999 Jeffrey A Law (law@cygnus.com)
4288 * combine.c (combine_simplify_rtx): Fix order of checks for
4289 (ashiftrt foo C) -> (lt foo (const_int 0)) simplification.
4291 1999-12-13 Clinton Popetz <cpopetz@cygnus.com>
4293 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi) Backed out
4294 12/10/99 change, reapplied to merged-arm-thumb-backend-branch.
4296 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
4298 * hard-reg-set.h (inv_reg_alloc_order): Declare if REG_ALLOC_ORDER is
4300 * regclass.c (inv_reg_alloc_order): New array.
4301 (regclass_init): If REG_ALLOC_ORDER is defined, initialize it.
4303 * reload.h (struct insn_chain): Delete fields group_size, group_mode,
4304 counted_for_groups, counted_for_nongroups. Add fields rld and
4306 * reload.c (push_secondary_reload): Don't set nongroup field of
4308 (push_reload): Likewise.
4309 (find_reloads): Delete code to compute nongroup fields.
4310 * reload1.c (reload_insn_firstobj): New static variable.
4311 (pseudos_counted, spilled_pseudos): Now of type regset_head. All
4313 (calculate_needs, find_tworeg_group, find_group, possible_group_p,
4314 count_possible_groups, modes_equiv_for_class_p, new_spill_reg,
4315 dump_needs, maybe_mark_pseudo_spilled, hard_reg_use_compare): Delete
4317 (count_pseudo, select_reload_regs, copy_reloads, find_reg): New
4319 (struct hard_reg_n_uses): Deleted.
4320 (potential_reload_regs): Deleted.
4321 (init_reload): Initialize spilled_pseudos and pseudos_counted.
4322 (reload): Don't try to allocate reload registers if we already know
4323 we have to make another pass. Call select_reload_regs. Free memory
4324 starting with reload_firstobj when starting another pass.
4325 Don't allocate spilled_pseudos.
4326 (calculate_needs_all_insns): Call copy_reloads for an insn that
4327 needs reloads; don't call calculate_needs.
4328 (spill_cost): New static array.
4329 (used_spill_regs_local): New static variable.
4330 (order_regs_for_reload): Rewrite to lose hard_reg_n_uses and the code
4331 to compute potential_reload_regs.
4332 (find_reload_regs): Completely rewritten to use find_reg.
4333 (allocate_reload_reg): Don't test counted_for_groups or
4334 counted_for_nongroups. Lose NOERROR arg and code to give an error;
4336 (choose_reload_regs): Add fallback code that uses the existing
4337 register allocation from find_reload_regs.
4339 Mon Dec 13 00:54:14 1999 Philippe De Muyter <phdm@macqel.be>
4341 * flow.c (create_edge_list): Cast xmalloc return value.
4343 Mon Dec 13 00:47:58 1999 Jeffrey A Law (law@cygnus.com)
4345 * doprnt.c: Remove incorrect comment closure.
4347 * cse.c: Fix a few minor whitespace goofs.
4349 1999-12-13 Don Bowman <don@pixstream.com>
4351 * mips/vxworks.h: Fix problem with comment termination.
4352 (EXTRA_SECTIONS): Add in_sbss.
4353 (EXTRA_SECTION_FUNCTIONS): Corresponding changes.
4355 1999-12-12 David S. Miller <davem@redhat.com>
4357 * cse.c (struct cse_reg_info): Add hash_next member,
4358 reorder rest of struct for better packing on 64-bit
4360 (cse_reg_info_tree): Kill.
4361 (REGHASH_SHIFT, REGHASH_SIZE, REGHASH_MASK, reg_hash,
4362 REGHASH_FN): New custom pow2 hash mechanism.
4364 (HASH_SHIFT, HASH_SIZE, HASH_MASK, HASH, table): Rework to
4365 use a pow2 hash table.
4366 (get_cse_reg_info): Rework to use new REGHASH.
4367 (new_basic_block): Likewise, use HASH_SIZE, and inline
4369 (remove_from_table): Rework to use HASH_SIZE/HASH_MASK,
4370 and inline free_element call.
4371 (lookup_as_function, insert, flush_hash_table, invalidate,
4372 remove_invalid_refs, remove_invalid_subreg_refs, rehash_using_reg,
4373 invalidate_for_call, use_related_value, find_comparison_args,
4374 fold_rtx, equiv_constant, cse_insn, invalidate_memory): Likewise.
4375 (hash_cse_reg_info, cse_reg_info_equal_p, free_element,
4378 Sun Dec 12 21:31:44 1999 Jeffrey A Law (law@cygnus.com)
4380 * cse.c (cse_basic_block): Free qty_table consistently.
4382 1999-12-12 David S. Miller <davem@redhat.com>
4383 Jakub Jelinek <jakub@redhat.com>
4385 * config/sparc/sparc.md (movtf reg/reg split): Don't generate
4386 SUBREGs by hand, gen the appropriate hard reg directly.
4387 (movtf reg/mem split): Likewise and alter_subreg on destination
4389 (movtf mem/reg split): Similarly.
4390 (movdf_cc_sp64): Rename from hidden pattern.
4391 (movtf_cc_hq_sp64): Renamed from movtf_cc_sp64.
4392 (movtf_cc_sp64, following split): New pattern and splitter.
4393 (movdf_cc_reg_sp64): Rename from hidden pattern.
4394 (movtf_cc_reg_hq_sp64): Renamed from movtf_cc_reg_sp64, require
4396 (movtf_cc_reg_sp64, following split): New pattern and splitter.
4398 1999-12-12 Stephen L Moshier <moshier@mediaone.net>
4400 * loop.c (load_mems): Don't hoist written floating point mem
4403 1999-12-12 Mark Mitchell <mark@codesourcery.com>
4405 * except.h (struct eh_queue): Add `next' pointer.
4406 (struct eh_status): Make x_ehqueue a pointer.
4407 (push_ehqueue): Declare.
4408 (pop_ehqueue): Likewise.
4409 * except.c (expand_eh_region_end): Adjust now that ehqueue is a
4411 (expand_fixup_region_end): Likewise.
4412 (expand_leftover_cleanups): Likewise.
4413 (push_ehqueue): Define.
4414 (pop_ehqueue): Likewise.
4415 (emit_cleanup_handler): Use push_ehqueue and pop_ehqueue rather
4416 than doing it inline.
4417 (expand_start_all_catch): Adjust now that ehqueue is a
4419 (mark_eh_queue): Mark all level of the queue.
4420 (mark_eh_status): Adjust now that ehqueue is a
4422 (init_eh_for_function): Allocate ehqueue.
4423 (free_eh_status): Free it.
4424 * stmt.c (expand_cleanups): Save the ehqueue around the cleanup
4425 expansion for a fixup.
4427 1999-12-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4429 * gthr-single.h (__gthread_active_p): Add prototype arguments.
4431 * libgcc2.c (__udivmoddi4): Remove unnecessary decls.
4432 (__dummy, __builtin_saveregs, __bb_exit_trace_func, __bb_init_prg,
4433 __bb_trace_func, __bb_trace_func_ret, __bb_trace_ret,
4434 function_ptr, getpagesize, __enable_execute_stack,
4435 __enable_execute_stack, __clear_insn_cache,
4436 __enable_execute_stack, __do_global_dtors, __do_global_ctors,
4437 _cleanup, _exit, __default_terminate, __terminate_func,
4438 __terminate, __empty, __throw, new_eh_context,
4439 eh_context_initialize, eh_context_static, eh_context_specific,
4440 get_eh_context, __get_eh_context, __get_eh_info,
4441 init_reg_size_table, eh_threads_initialize,
4442 __get_dynamic_handler_chain, __sjthrow, __sjpopnthrow,
4443 __unwinding_cleanup, throw_helper, __throw, __rethrow,
4444 __pure_virtual): Add prototype arguments.
4445 (__bb_exit_func): Cast a sizeof to long when comparing against one.
4446 Cast a signed value to unsigned long when comparing against one.
4447 (new_eh_context): Wrap in _GTHREADS macro.
4448 (__sjthrow, __sjpopnthrow): Initialize variable `cleanup' at
4450 (in_reg_window): Mark parameters with __attribute__ ((__unused__)).
4451 (throw_helper): Initialize variables `handler_p' and `pc_p'.
4453 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4455 * combine.c (record_promoted_value): Remove unused variable
4458 * emit-rtl.c (renumber_insns): Likewise for `old_max_uid'.
4460 * global.c (record_conflicts): Likewise for `j'.
4462 * genoutput.c (output_insn_data): Don't unnecessarily cast away
4465 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4467 * i386-protos.h (output_387_binary_op, output_fix_trunc,
4468 output_fp_compare): Constify a char*.
4470 * i386.c (ix86_split_to_parts, ix86_safe_length_prefix): Add
4472 (override_options, ix86_comp_type_attributes, print_operand,
4473 output_387_binary_op, output_fix_trunc, output_fp_compare):
4475 (ix86_sched_reorder): Mark parameter `clock_var' with
4478 * i386.h (DEBUG_PRINT_REG): Constify a char*.
4480 Fri Dec 10 16:12:13 1999 Alexandre Petit-Bianco <apbianco@cygnus.com>
4482 * tree.def (EXPR_WITH_FILE_LOCATION): Temporarily add a third
4483 operand, for use in the Java front-end.
4485 1999-12-10 Ben Collins <bcollins@debian.org>
4487 * configure.in: Fix typo for "-64" in 64bit as check.
4488 * configure: Rebuilt.
4490 1999-12-10 Jakub Jelinek <jakub@redhat.com>
4492 * longlong.h (__sparc_v9__): Use %rDIGIT instead of %DIGIT where
4495 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4497 * c-parse.in (string): With -Wtraditional, warn if ANSI string
4498 concatenation is utilized.
4500 * invoke.texi (-Wtraditional): Document it.
4502 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4504 * flow.c (flow_loops_dump): Avoid ANSI string concatenation.
4505 Cast a ptrdiff_t to long and pass it to printf with %ld.
4507 1999-12-10 Geoff Keating <geoffk@cygnus.com>
4509 * config/m68k/m68k.h (CONDITIONAL_REGISTER_USAGE): If we have no
4510 68881, we have no 68881 registers at all.
4511 (HARD_REGNO_MODE_OK): It is always OK to put a MODE_FLOAT
4512 value in a 68881 register if it is available.
4514 1999-12-10 Clinton Popetz <cpopetz@cygnus.com>
4516 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi): New patterns
4517 for long long multiply-accumulate.
4519 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
4521 * loop.c (insert_loop_mem): Undo last change.
4523 1999-12-10 David S. Miller <davem@redhat.com>
4525 * config/sparc/sparc.c (fp_sethi_p, fp_mov_p, fp_high_losum_p):
4527 * config/sparc/sparc-protos.h: Add them.
4528 * config/sparc/sparc.h: Add them to PREDICATE_CODES.
4529 (EXTRA_CONSTRAINT_BASE): New macro, handling Q, R, and S
4530 constraints which use those helpers.
4531 (EXTRA_CONSTRAINT): Use this new macro.
4532 * md.texi: Update sparc target constraints documentation.
4533 * config/sparc/sparc.md (clear_sf, clear_sfp, movsf_const_intreg,
4534 movsf_const_high, movsf_const_lo, movsf_insn): Delete.
4535 (movsf_insn_novis_liveg0, movsf_insn_novis_noliveg0,
4536 movsf_insn_vis, movsf_lo_sum, movsf_high): New patterns.
4537 (movsf high/lo_sum split): Rework for new patterns.
4538 (movsf expander): Allow storing fp_zero to memory if ! live_g0.
4540 1999-12-09 Gavin Romig-Koch <gavin@cetus.cygnus.com>
4542 * c-common.c (c_common_nodes_and_builtins):
4543 Create __builtin_ptrdiff_t and __builtin_size_t.
4545 Thu Dec 9 18:05:48 1999 Jeffrey A Law (law@cygnus.com)
4547 * pa/elf.h (MAX_OFILE_ALIGNMENT): Define.
4549 Fri Dec 10 00:53:10 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
4551 * regclass.c (globalize_reg): Re-instate test that allows
4552 fixed registers to be declared as a variable even after functions
4555 Fri Dec 10 00:52:13 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
4557 * i386.md (cpu attribute): Add "athlon".
4558 (athlon_decode): New attribute.
4559 (Athlon scheduling units definitions): New.
4560 (fcmp and shld patterns): Set athlon_decode to "vector".
4561 * i386.c (athlon_cost): New.
4563 (x86_use_leave, x86_push_memory, x86_movx, x86_cmove, x86_deep_branch,
4564 x86_use_sahf): Set for Athlon.
4565 (x86_use_fiop): Unset for Athlon.
4566 (override_options): Define Athlon alignments and "athlon" name.
4567 (x86_adjust_cost): Penalize AGI and delayed latencies for Athlon.
4568 * i386.h (TARGET_ATHLON): New.
4569 (enum processor_type): Add PROCESSOR_ATHLON.
4570 (TARGET_CPU_DEFAULT_SPEC): Set to "-D__tune_athlon__"
4572 (TARGET_CPP_CPU_SPECS): Set -D__tune_athlon__ for Athlon.
4574 1999-12-09 Andreas Jaeger <aj@suse.de>
4576 * loop.c (record_biv): Declare parameter as int.
4578 * config/i386/i386-protos.h: Declare long_memory_operand.
4580 1999-12-09 Mark Mitchell <mark@codesourcery.com>
4582 * tree.c (copy_node): Do zero the TREE_CHAIN, even for an
4583 EXPR_WITH_FILE_LOCATION.
4585 Thu Dec 9 11:36:24 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
4587 * i386.md (neg??, abs?f, one_cmpl?i): Use nonimmediate_operand
4590 * flow.c (recompute_reg_usage): Use basic block info to get loop_depth.
4592 * combine.c (try_combine, distribute_notes): Remove REG_N_REFS
4595 1999-12-09 Jakub Jelinek <jakub@redhat.com>
4597 * config/sparc/linux64.h (TARGET_DEFAULT): Make -mapp-regs
4598 default on linux64 again.
4599 * config/sparc/t-linux64: Add mno-app-regs and non-medlow code
4600 models for multilibing.
4601 * genmultilib: Accept | as alternative separator within a set in
4604 * config/sparc/sparc.h (PROMOTE_FOR_CALL_ONLY): Define.
4606 * calls.c (precompute_arguments): Make sure initial_value contains
4607 value pseudo which CSE expects.
4608 * cse.c (struct set): New entry orig_src.
4609 (cse_insn): Set it early on entry, use it for libcall EQUIV note
4612 Wed Dec 8 22:24:15 1999 Richard Henderson <rth@cygnus.com>
4614 * flow.c (count_basic_blocks): Don't add (use (const_int 0)) insns.
4616 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
4618 * loop.c (insert_loop_mem): Don't hoist volatile mems out of loops.
4620 1999-12-08 Jakub Jelinek <jakub@redhat.com>
4622 * config/sparc/sparc.c (ultra_cmove_results_ready_p,
4623 ultra_fpmode_conflict_exists, ultra_flush_pipeline): Typo fix.
4625 * config/sparc/sparc.h (SPARC_SETHI_P): Don't look at topmost 32 bits
4628 * longlong.h: Merge in changes from glibc.
4629 Also don't clobber %g2 register in 32bit SPARC assembly, so that
4630 -mno-app-regs libgcc can be compiled.
4631 * libgcc2.c: Add defines so that the updated longlong.h
4632 can be used in libgcc2.a. Also, make sure on most architectures
4633 (at least on all which have optimized code in longlong.h defined
4634 for) {SI,W}_TYPE_SIZE is suitable for preprocessor tests.
4636 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
4638 * config/sparc/sol2-64.h: Same as sol2-sld-64.h, except that
4639 `-m EMULATION' is added to non-default LINK_ARCH_SPECs.
4640 * configure.in: Use sol2-64.h instead of sol2-sld-64.h if linker
4642 * configure: Rebuilt.
4644 Wed Dec 8 03:45:40 1999 Richard Henderson <rth@cygnus.com>
4646 * alpha.c (secondary_reload_class): For !BWX, sub-simode
4647 outputs require a register.
4649 1999-12-08 Brendan Kehoe <brendan@cygnus.com>
4651 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Add _sf_to_usi
4652 _df_to_usi. Required by some targets, so US_SOFTWARE_GOFAST calls to
4653 functions like dptoul will be resolved.
4654 (libgcc2.a): Make sure that the object files from DPBIT are named
4655 differently (prefix `_dp') from those that would be coming from
4658 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>, Jakub Jelinek <jakub@redhat.com>
4660 * configure.in: When target is sparc* and tm_file contains 64,
4661 test for 64bit support in assembler. If not supported, remove
4662 sparc/t-sol2-64 from target-dependent Makefile fragments.
4663 (AS_SPARC64_FLAG): Define to the assembler flag for 64bit.
4664 (HAVE_AS_OFFSETABLE_LO10): Rework test to use these flags.
4665 (HAVE_AS_REGISTER_PSEUDO_OP): Use config.cache.
4666 * acconfig.h (AS_SPARC64_FLAG): Added.
4667 * configure, config.in: Rebuilt.
4668 * config/sparc/sol2-sld-64.h: Same as sol2.h, if without 64bit
4669 support. Use AS_SPARC64_FLAG.
4671 1999-12-07 Jakub Jelinek <jakub@redhat.com>
4673 * config/sparc/sparc.c (hard_32bit_mode_classes): Mark registers
4674 suitable for holding OFmode values so that gcc works with complex
4676 (hard_64bit_mode_classes): Likewise.
4678 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): Fix pattern
4679 so that it is actually matched.
4680 (sethi_di_medlow): Likewise.
4682 * config/sparc/sparc.h (LEGITIMATE_CONSTANT_P): Consider TFmode 0.0L
4683 as legitimate constant if -mvis.
4684 * config/sparc/sparc.md (movtf): Likewise.
4685 (clear_sf): Use const_double_operand.
4686 (clear_sfp, clear_dfp, clear_tf, clear_tfp): New patterns.
4688 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): New function.
4689 * config/sparc/sparc-protos.h (sparc_emit_float_lib_cmp): Prototype.
4690 * config/sparc/sparc.h (*_LIBCALL): Only use for _Q_*
4691 routines, _Qp_* cannot be handled like that now.
4692 (INIT_TARGET_OPTABS): Likewise.
4693 * config/sparc/sparc.md (cmptf): Accept soft float ARCH64.
4694 (seq, sne, sgt, sge, slt, sle, beq, bne, bgt, bge, blt, ble): Call
4695 sparc_emit_float_lib_cmp if ARCH64 and soft float.
4696 (extendsftf2, extenddftf2, trunctfsf2, trunctfdf2, floatsitf2,
4697 floatditf2, fix_trunctfsi2, fix_trunctfdi2, addtf3, subtf3, multf3,
4698 divtf3, sqrttf3): New expanders.
4699 (extendsftf2_hq, extenddftf2_hq, trunctfsf2_hq, trunctfdf2_hq,
4700 floatsitf2_hq, floatditf2_hq, fix_trunctfsi2_hq, fix_trunctfdi2_hq,
4701 addtf3_hq, subtf3_hq, multf3_hq, divtf3_hq, sqrttf3_hq): Rename from
4704 * configure.in (sparc64-*-linux*): Use posix threads if enabled.
4705 * configure: Rebuilt.
4706 * config/sparc/linux64.h: Default to -mcpu=ultrasparc if no
4707 -mcpu is given and we're doing 64bit compiles.
4709 Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
4711 * loop.h (struct induction): Add multi_insn_incr.
4712 * loop.c (basic_induction_var): New multi_insn_incr argument.
4713 Set it if we search back through previous insns for the biv.
4714 (record_biv): New multi_insn_incr argument; fill in struct induction.
4715 (strength_reduce): Discard an iv with multiple bivs, any of
4716 which require multiple insns to increment.
4718 1999-12-07 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4720 * invoke.texi (C Dialect Options): Remove -flang-c9x, add -std
4723 1999-12-06 David S. Miller <davem@redhat.com>
4725 * combine.c (check_promoted_subreg): Do not conditionalize this upon
4726 PROMOTE_FUNCTION_RETURN.
4728 Mon Dec 6 15:12:14 1999 Jim Wilson <wilson@cygnus.com>
4730 * regmove.c (optimize_reg_copy_1): If no REG_DEAD note, check for
4731 and handle REG_UNUSED note on insn.
4733 * combine.c (force_to_mode, case LSHIFTRT): New local inner_mask. Set
4734 inner_mask instead of mask.
4736 1999-12-06 Brendan Kehoe <brendan@cygnus.com>
4738 * dwarf2out.c (field_byte_offset): As with dwarfout.c, size can be
4739 zero if there was an error.
4741 1999-12-06 Jakub Jelinek <jakub@redhat.com>
4743 * config/sparc/sparc.md (return_losum_di): Fix typo in asm
4746 * longlong.h: Fix clobbers in SPARC asm statements.
4748 * config/sparc/sparc.c (input_operand): Allow HImode and QImode
4749 valid sethi operations when TARGET_ARCH64.
4751 * calls.c (save_fixed_argument_area): If save_mode is BLKmode,
4752 always use move_by_pieces to avoid infinite recursion.
4753 (restore_fixed_argument_area): Likewise.
4755 * combine.c (check_promoted_subreg, record_promoted_value): New
4757 (combine_instructions): Use them to retain nonzero and sign bit
4758 information after SUBREGs are eliminated by optimizations in
4759 this pass if PROMOTE_FUNCTION_RETURN.
4761 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): Document
4762 .register declaration. Don't use variables with __ prefixes.
4764 Mon Dec 6 12:24:52 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4766 * fold-const.c (optimize_bit_field_compare): Only use one mode
4767 for both RHS and LHS in non-constant case.
4769 1999-12-06 Nathan Sidwell <nathan@acm.org>
4771 * frame.c (start_fde_sort): Only allocate erratic array, if
4772 linear one was allocated. Return allocated flag.
4773 (fde_insert): Only insert, if there's a valid array.
4774 (fde_end_sort): Split, sort and merge if linear and erratic
4775 arrays exist, else just sort linear one.
4776 (search_fdes): New function. Linear search through original fde
4778 (frame_init): Permit multiple initializations. Cope with
4780 (find_fde): Fallback on linear search, if failed to sort array.
4781 (__deregister_frame_info): Only free sorted array, if we
4784 1999-12-06 Jakub Jelinek <jakub@redhat.com>
4786 * config/sparc/sparc.h (MUST_PASS_IN_STACK): New macro.
4788 1999-12-05 Jakub Jelinek <jakub@redhat.com>
4790 * config/sparc/sparc.c (sparc64_initialize_trampoline): Use gen_flushdi.
4792 1999-12-05 Mark Mitchell <mark@codesourcery.com>
4794 * tree.h (special_function_p): Declare.
4795 * calls.c (special_function_p): Make it global. Don't take `name'
4796 as a parameter. Fix typo in 1999-11-28 change.
4797 (expand_cal): Adjust.
4799 1999-12-04 Mark Mitchell <mark@codesourcery.com>
4801 * tree.def (EXPR_WITH_FILE_LOCATION): Fix comment formatting.
4802 * tree.h (EXPR_WFL_FILENAME): Define in terms of
4803 EXPR_WFL_FILENAME_NODE.
4804 (EXPR_WFL_FILENAME_NODE): Use the second operand slot rather than
4806 * print-tree.c (print_note): Print TREE_PRIVATE and
4809 * dwarf2out.c (add_abstract_origin_attribute): Don't abort when
4810 the original die cannot be found.
4812 * varray.h (varray_head_tag): Add elements_used.
4813 (VARRAY_PUSH): New macro.
4814 (VARRAY_POP): Likewise.
4815 (VARRAY_TOP): Likewise.
4816 Add variants of VARRAY_PUSH and VARRAY_POP for all varray element
4818 * varray.c (varray_init): Initialize elements_used.
4819 * Makefile.in (BASIC_BLOCK_H): Add varray.h.
4820 (INTEGRATE_H): New variable.
4821 (integrate.o): Depend on INTEGRATE_H.
4822 (unroll.o): Likewise.
4824 * function.h (insert_block_after_note): Declare.
4825 * function.c (insert_block_after_note): Split out from ...
4826 (retrofit_block): ... here.
4828 * stmt.c (expand_fixup): Fix typo in comment.
4830 Sat Dec 4 14:13:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
4832 * regmove.c (copy_src_to_dest): Remove loop_depth parameter.
4833 (optimize_reg_copy_1): Remove REG_N_REFS updating code.
4834 (optimize_reg_copy_2, copy_src_to_dest, fixup_match_2): Likewise.
4835 (regmove_optimize, fixup_match_1): Likewise.
4837 1999-12-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4839 * flow.c (flow_loops_dump): Add missing argument when calling
4842 1999-12-04 Geoffrey Keating <geoffk@cygnus.com>
4843 Greg McGary <gkm@gnu.org>
4845 * c-common.c (enum attrs): Add A_NO_LIMIT_STACK.
4846 (init_attributes): Add A_NO_LIMIT_STACK.
4847 (decl_attributes): Handle A_NO_LIMIT_STACK.
4848 * c-decl.c (duplicate_decls): Handle DECL_NO_LIMIT_STACK.
4849 * explow.c (allocate_dynamic_stack_space) [!HAVE_allocate_stack]:
4850 Handle stack bounds checking.
4851 * flags.h (flag_stack_check): Use the word 'probe' rather than
4852 'check', because the flag doesn't actually cause any checking to
4854 * function.c (expand_function_start): Set
4855 current_function_limit_stack.
4856 * function.h (struct function): Add limit_stack.
4857 (current_function_limit_stack): Define.
4858 * invoke.texi (Code Gen Options): Document new options.
4859 * rtl.h: Declare stack_limit_rtx.
4860 * toplev.c (stack_limit_rtx): New variable.
4861 (decode_f_option): Handle new options -fstack-limit-register=REG,
4862 -fstack-limit-symbol=IDENT, -fno-stack-limit.
4863 (main): Add stack_limit_rtx as GC root.
4864 * tree.h (DECL_NO_LIMIT_STACK): New macro.
4865 (struct tree_decl): New member no_limit_stack.
4867 * config/rs6000/rs6000.c (rs6000_allocate_stack_space): Handle
4869 * config/rs6000/rs6000.md (allocate_stack): Handle stack_limit_rtx.
4870 (conditional_trap+1): Get new mnemonic correct.
4871 (conditional_trap+2): New pattern for DImode traps.
4873 * config/m68k/m68k.c (output_function_prologue): Handle
4875 * config/m68k/m68k.md (trap): New insn.
4876 (conditional_trap): New insn.
4877 * md.texi (Standard Names): Document `trap' and
4879 * optabs.c (gen_cond_trap): Use start_sequence()/end_sequence()
4880 so a cc0 setter doesn't get emitted at some random place in the
4883 * config/i960/i960.md (trap): New insn.
4884 (conditional_trap): New expander.
4885 (conditional_trap+1, conditional_trap+2): New insns for signed
4887 * config/i960/i960.c (i960_function_prologue): Use
4888 STARTING_FRAME_OFFSET. Handle stack_limit_rtx.
4890 Thu Dec 2 21:22:45 1999 Greg McGary <gkm@gnu.org>
4891 Geoffrey Keating <geoffk@cygnus.com>
4893 * flags.h (warn_padded, warn_packed): Add global var decls.
4894 * toplev.c (warn_padded, warn_packed): Add global var defns.
4895 (W_options): Add warnings `-Wpacked' and `-Wpadded'.
4896 * stor-layout.c (layout_record): Add local variable `type'
4897 to hold often-used TREE_TYPE (field). Add local variable
4898 `unpacked_align' to hold alignment that would be in force
4899 if no `packed' attribute were present. Warn if `packed' attribute
4900 is unnecessary, or even harmful. Warn when gcc inserts padding
4901 to satisfy alignment requirements of members. Use NULL_TREE
4902 when checking whether var_size is set.
4903 * invoke.texi: Document new flags.
4905 1999-12-03 Nathan Sidwell <nathan@acm.org>
4907 * frame.c (fde_split): Reimplement to avoid variable sized array.
4909 Thu Dec 2 18:59:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
4911 * combine.c (try_combine): Before fixing up LOG_LINKS for the
4912 i3_subst_into_i2 case, check that GET_CODE (PATTERN (i2)) == PARALLEL.
4914 1999-12-02 Gavin Romig-Koch <gavin@cygnus.com>
4916 * invoke.texi: Document the mips option -mno-crt0
4918 1999-12-02 Mike Karr <mkarr@mathworks.com>
4920 * cccp.c (argdata): Added free_ptr member.
4921 (macroexpand): Initialize free_ptr of each argument. When an
4922 argument's buffers are freed, if the argument's free_ptr corresponds
4923 to a buffer on the input stack, then return the free_ptr to that stack
4924 frame, otherwise, free it.
4925 (macarg): If an argument begins and ends on the same input stack level,
4926 then transfer the free_ptr of that buffer to the argument in case
4927 the stack is popped during the processing of a subsequent argument.
4929 1999-12-02 Bernd Schmidt <bernds@cygnus.co.uk>
4931 * loop.c (note_reg_stored): New function.
4932 (struct note_reg_stored_arg): New structure.
4933 (try_copy_prop): Change to be more conservative; only replace within
4934 one extended basic block and stop replacing if a store to the
4935 replacement reg is seen.
4937 1999-12-02 Nick Clifton <nickc@cygnus.com>
4939 * config/fp-bit.c: Initialise all fields of the NAN
4942 * c-lex.c (check_newline): Pass pragma_getc and pragma_ungetc
4945 Wed Dec 1 18:16:38 1999 Jan Hubicka <hubicka@freesoft.cz>
4947 * i386.md (extend?f?f2): Force the input into a register, not
4950 1999-12-01 Jakub Jelinek <jakub@redhat.com>
4952 * config/sparc/sparc.md (movsf_const_intreg): Add constraints for
4954 (movdf_const_intreg_sp32): Likewise. Prefer the memory load
4955 alternative because setting up 64bit constant is usually costly,
4956 especially when reload is in progress or completed.
4957 (movdf_const_intreg_sp64): Likewise.
4958 (movdf_const_intreg split): Fix building up constants when
4959 HOST_BITS_PER_WIDE_INT is 64 yet long is 32bit.
4961 Wed Dec 1 16:51:22 1999 Jeffrey A Law (law@cygnus.com)
4963 * combine.c (if_then_else_cond): Use const_true_rtx instead of
4964 const1_rtx for return values in EQ/NE comparison against (const_int 0)
4967 * mn10300.c (REG_SAVE_BYTES): Allocate space for AM33 registers.
4968 (asm_file_start): Emit .am33 into assembly file when compiling for
4970 (print_operand_address): Handle POST_INC addresses.
4971 (can_use_return_insn, initial_offset): Check AM33 registers too.
4972 (expand_prologue): Check & save AM33 registers too.
4973 (expand_epilogue): Similarly.
4974 (secondary_reload_class): Handle AM33 specific secondary reloads.
4975 (output_tst): Emit efficient code for the AM33 too.
4976 * mn10300.h (CPP_SPEC, TARGET_AM33): Define.
4977 (TARGET_SWITCHES): Add -mam33 switch.
4978 (FIRST_PSEUDO_REGISTER): Handle new AM33 registers.
4979 (FIXED_REGISTERS, CALL_USED_REGISTERS): Likewise.
4980 (REG_ALLOC_ORDER, CONDITIONAL_REGISTER_USAGE): Likewise.
4981 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P): Likewise.
4982 (enum reg_class, REG_CLASS_NAMES): Likewise.
4983 (REG_CLASS_CONTENTS, REGNO_REG_CLASS): Likewise.
4984 (INDEX_REG_CLASS, REG_CLASS_FROM_LETTER): Likewise.
4985 (REGNO_OK_FOR_INDEX_P, PREFERRED_RELOAD_CLASS): Likewise.
4986 (PREFERRED_OUTPUT_RELOAD_CLASS, LIMIT_RELOAD_CLASS): Likewise.
4987 (REGISTER_MOVE_COST, REGISTER_NAMES): Likewise.
4988 (HAVE_POST_INCREMENT): Define.
4989 (GO_IF_LEGITIMATE_ADDRESS): Allow POST_INC addresses for the AM33.
4990 (GO_IF_MODE_DEPENDENT_ADDRESS): POST_INC is a mode dependent address.
4991 * mn10300.md (movqi, movhi, addsi, subsi): Add AM33 variants.
4992 (mulsi, andsi, iorsi, xorsi, notsi): Likewise.
4993 (ashiftsi, lshiftrtsi, ashiftrtsi): Likewise.
4994 (zero_extend to SI from QI/HI): Likewise.
4995 (sign_extend to SI from QI/HI): Likewise.
4996 (mulsidi3, umulsidi3): New patterns for the AM33.
4997 (tstsi with zero extension from QI/HI): Add AM33 variants.
4998 (movsi, movsf, movdi, movdf): Generate efficient code for the AM33 too.
4999 (return_internal_regs, store_movm): Handle new AM33 registers.
5000 * t-mn10300 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Define.
5001 (LIBGCC, INSTALL_LIBGCC): Likewise.
5002 * invoke.texi: Document new flags.
5004 Fri Nov 26 10:59:12 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
5006 * i386.md (addsi3_cc): Add "binary_operator_ok" to the condition.
5007 (addsi3_carry): Likewise.
5008 (sbbsi3_cc): Add "binary_operator_ok" to the condition.
5009 (sbbsi3_carry): Likewise.
5010 (mulsi3): Rewrite to expander, ensure that only one operand is memory.
5012 (test?i_1): Ensure that only one operand is memory.
5013 (conditional move patterns): likewise.
5014 (shift and rotate patterns): Rewrite to expander, add
5015 "binary_operator_ok" to the condition.
5017 * i386.md (QImode patterns): Remove '*' before the 'r' constraints.
5018 * i386.h (procesor_costs): Add movzbl_load field.
5019 (HARD_REGNO_MODE_OK): Accept QImode on non PARTIAL_REGISTER_STALL in
5020 non-Q registers, accept DImode registers anywhere.
5022 (MEMORY_MOVE_COST): Calculate QImode moves correctly.
5023 * i386.c (*_cost): Set value for movxbl_load field.
5025 * (addsi): New add to lea splitter.
5027 (lea to add/shift peep2): New.
5029 1999-12-01 Mark Salter <msalter@cygnus.com>
5031 * config/mips/elf.h (STARTFILE_SPEC): Add no-crt0.
5032 * config/mips/elf64.h (STARTFILE_SPEC): Add no-crt0.
5033 * config/mips/mips.h (TARGET_SWITCHES): Add no-crt0.
5035 Tue Nov 30 15:20:52 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
5037 * i386.c (ix86_expand_move): Never add clobbers to move patterns.
5038 * i386.md (movsi_xor): New.
5040 (movsi_1, movhi_1, movqi_1): Remove.
5041 (movsi_2): Rename to movsi_1.
5042 (movhi_2): Rename to movhi_1.
5043 (movqi_2): Rename to movqi_1.
5044 (movdi_1): Remove; remove splitter.
5045 (movdi_2): Rename to movdi_1.
5046 (divmodsi4 splitter): Do not emit clobbers for move patterns.
5047 (long move peep2): Do not create QI or HI mode mov0s
5048 (mov -1,reg -> or peep2s): Enable again, rewrite to single peephole.
5050 * i386.md (zero_extend?i?i2): Rewrite to expanders; new patterns,
5053 * i386.md (neg?f2_if): Split "r" and "f" to separate alternatives.
5054 (abs?f2_if): Likewise.
5056 1999-11-30 Alex Samuel <samuel@codesourcery.com>
5058 * ggc.h (ggc_test_and_set_mark): New macro.
5059 (ggc_mark_rtx): Use ggc_test_and_set_mark.
5060 (ggc_mark_tree): Likewise.
5061 (ggc_mark_rtvec): Likewise.
5062 * ggc-common.c (ggc_mark_rtx_children): Reduce recursion.
5064 1999-11-30 Jason Merrill <jason@casey.cygnus.com>
5066 * dwarf2out.c (scope_die_for): Only handle types. Only search for
5068 (decl_scope_table): Just an array of trees now.
5069 (push_decl_scope): Simplify.
5070 (dwarf2out_init): Adjust.
5071 (local_scope_p): New fn.
5072 (gen_inlined_enumeration_type_die): Don't call scope_die_for.
5073 (gen_inlined_union_type_die, gen_inlined_structure_type_die): Likewise.
5074 (gen_typedef_die): Likewise.
5075 (gen_lexical_block_die): Don't call push/pop_decl_scope.
5076 (gen_inlined_subroutine_die): Likewise.
5077 (gen_abstract_function): Set current_function_decl temporarily.
5078 (gen_subprogram_die): Don't check DECL_ABSTRACT to set declaration.
5079 Handle block extern declarations. Don't call push/pop_decl_scope.
5080 (gen_decl_die): Fix logic for block externs.
5082 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5084 * calls.c (special_function_p): Remove `realloc' and add `strdup'
5085 to the list of functions which have attribute malloc by default.
5087 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5089 * c-lex.c (yylex): With -Wtraditional, when the ANSI type of an
5090 integer constant does not match the traditional type, limit the
5091 warnings to cases where the base of the type is ten.
5093 * invoke.texi (-Wtraditional): Document it.
5095 Tue Nov 30 15:18:35 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5097 * combine.c (try_combine): Only pass SET or CLOBBER to SET_DEST
5098 * rs6000.md: Only access a CONST_INT with INTVAL
5100 Tue Nov 30 14:21:00 1999 Richard Henderson <rth@cygnus.com>
5102 * lcm.c (compute_laterin): Cast bb->aux to size_t not int.
5103 (compute_nearerout): Likewise.
5104 * ggc-page.c (ggc_page_print_statistics): Explicitly cast
5105 size_t to unsigned long for formatting.
5107 1999-11-30 Jakub Jelinek <jakub@redhat.com>
5109 * config/sparc/sparc.h (FIXED_REGISTERS, CONDITIONAL_REGISTER_USAGE):
5110 Allow the user to override call-used/fixed state of %g2-5
5111 registers from the command line (with the exception of %g4 for
5113 (REG_LEAF_ALLOC_ORDER): Move %g1 and %g4-7 registers to front, so that
5114 there is a higher chance of having a leaf function.
5115 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Provide separate macros
5116 for ARCH64 which has %ccr register.
5117 * config/sparc/sparc.md (return_losum_si, return_losum_di): New
5119 * config/sparc/sparc.c (eligible_for_epilogue_delay): For the return
5120 insn accept into delay slot any insn which does not use %[ol]
5121 registers. Accept some LO_SUM and shift left by 1 for the normal
5123 (output_function_epilogue): Likewise.
5124 (epilogue_renumber): Added argument which inhibits any renumbering
5125 and just tests if the rtx does not use any %[ol] registers.
5126 (output_return): Reflect above change.
5128 1999-11-30 Jakub Jelinek <jakub@redhat.com>
5130 * config/sparc/sparc.c (sparc_va_arg): Fix sparc64 va_arg
5131 aggregate passing for sizes <= 16 bytes.
5133 1999-11-30 Bernd Schmidt <bernds@cygnus.co.uk>
5135 * cse.c (FIXED_REGNO_P): Delete tests for OVERLAPPING_REGNO_P.
5136 * global.c (global_alloc): Delete [OVERLAPPING_REGNO_P] code.
5137 * reload.c (find_dummy_reload): Likewise.
5138 (find_equiv_reg): Likewise; also for INSN_CLOBBERS_REGNO_P.
5139 * reload1.c (reload_as_needed): Likewise.
5140 * stupid.c (stupid_find_reg): Likewise.
5141 * tm.texi (Obsolete Register Macros): Delete section.
5142 * gmicro.h: Remove all traces of the two macros.
5147 1999-11-30 Brendan Kehoe <brendan@cygnus.com>
5149 * sparc.h (MASK_FASTER_STRUCTS, TARGET_FASTER_STRUCTS): Define.
5150 (TARGET_SWITCHES): Add -mfaster-structs/-mno-faster-structs flags.
5151 (ROUND_TYPE_ALIGN): Use better value if -mfaster-structs.
5152 * sparc.md (sparclite86x_branch, sparclite86x_shift): New function
5153 units for the sparclite86x chip.
5154 (flush): Revert October 14th change; add SImode specifically.
5155 (flushdi): Copy of flush, but DImode, to avoid genrecog warnings.
5156 * invoke.texi: Document it.
5158 Tue Nov 30 14:58:14 1999 Nick Clifton <nickc@cygnus.com>
5160 * config/mn10200/mn10200.h (PREDICATE_CODES): Add
5161 psimode_truncation_operand.
5163 * config/mn10200/mn10200.c (psimode_truncation_operand): New
5164 function. Return true if the operand is either a MEM valid
5165 for a PSImode address or not a MEM at all.
5167 * config/mn10200/mn10200.md (truncsipsi2): Use
5168 psimode_truncation_operand.
5170 1999-11-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5172 * flow.c (flow_nodes_print, flow_loops_cfg_dump): New functions.
5173 (flow_loop_nested_p, flow_loops_dump, flow_loops_free): Likewise.
5174 (flow_loop_exits_find, flow_loop_nodes_find): Likewise.
5175 (flow_depth_first_order_compute, flow_loop_pre_header_find): Likewise.
5176 (flow_loop_tree_node_add, flow_loops_tree_build): Likewise.
5177 (flow_loop_level_compute, low_loops_level_compute): Likewise.
5178 (flow_loops_find, flow_loop_outside_edge_p): Likewise.
5179 * basic-block.h: Protect from multiple inclusion.
5180 (flow_loops_find, flow_loops_free, flow_loop_dump): Add protoypes.
5181 (struct loops, struct loop): Define structures.
5182 * sbitmap.c (sbitmap_a_subset_b_p): New function.
5183 * sbitmap.h: Protect from multiple inclusion.
5184 (sbitmap_a_subset_b_p): Add prototype.
5185 * Makefile.in (LOOP_H): New macro.
5186 (stmt.o, integrate.o, loop.o, unroll.o): Replace loop.h with LOOP_H.
5188 Tue Nov 30 01:34:47 1999 Philippe De Muyter <phdm@macqel.be>
5190 * cppinit.c (CAT): The argument list of this macro may not contain
5193 1999-11-29 David S. Miller <davem@redhat.com>
5195 Move quantity tables and register equivalence chains into
5196 per-qty and per-register structure arrays respectively.
5197 * cse.c (qty_first_reg, qty_last_reg, qty_mode, qty_const,
5198 qty_const_insn, qty_comparison_code, qty_comparison_const,
5199 qty_comparison_qty): Delete, replace with...
5200 (qty_table): this structure table.
5201 (reg_next_eqv, reg_prev_eqv): Delete, replace with...
5202 (reg_eqv_table): this structure table.
5203 (make_new_qty): Add argument MODE. Caller updated.
5204 Update to use qty_table and reg_eqv_table.
5205 (make_regs_eqv, delete_reg_equiv, insert_regs,
5206 insert, exp_equiv_p, cse_rtx_varies_p, canon_reg,
5207 fold_rtx, equiv_constant, record_jump_cond, cse_insn,
5208 cse_process_notes, cse_main, cse_basic_block): Likewise.
5210 Mon Nov 29 16:56:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5212 * fold-const.c (extract_muldiv, case {MIN,MAX}_EXPR): Reverse
5213 operation if C is negative.
5214 (extract_muldiv, case SAVE_EXPR): Supresss if arg has side effects.
5215 (extract_muldiv, case {PLUS,MINUS}_EXPR): Don't apply distributive
5216 law for some divisions if constant is negative and change other
5217 divisions to the opposite rounding.
5219 * expr.c (store_constructor_field): If bit position is not multiple
5220 of alignment of TARGET's mode, use BLKmode.
5222 * expr.c (expand_expr_unaligned): Add more code from full case
5223 that is needed when OP0 is in a register.
5225 Mon Nov 29 18:09:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
5227 * dwarfout.c (field_byte_offset): Size can be zero if there was
5230 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
5232 * fold-const.c (split_tree): Delete unused vars ORIG_IN and TYPE.
5233 (associate_trees): Delete unused var TEM.
5234 (extract_muldiv): Delete unused var CANCEL_P.
5236 * fold-const.c [TARGET_FLOAT_FORMAT != IEEE_FLOAT_FORMAT]
5237 (target_isinf, target_isnan, target_negative): Add return types to
5238 function definitions.
5240 1999-11-29 Bruce Korb <autogen@linuxbox.com>
5242 * fixinc/fixincl.c(process): don't skip GLIBC files any more.
5243 * fixinc/hackshell.tpl: ditto
5244 * fixinc/fixtests.c(double_slash_test): more C++ header testing
5245 * fixinc/inclhack.def(AAB_fd_zero_glibc*): corrected spelling of mach
5247 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
5249 * reload.c (push_reload): When looking for a register to put into
5250 reg_rtx, make sure all hard regs in a multi-reg register are in the
5251 right class and nonfixed.
5253 * haifa-sched.c (reg_last_uses, reg_last_sets, reg_last_clobbers,
5254 pending_read_insns, pending_write_insns, pending_read_mems,
5255 pending_write_mems, pending_list_length, last_pending_memory_flush,
5256 last_function_call, sched_before_next_call): Move static variables
5258 (bb_ prefixed versions): Replace with single array bb_deps.
5259 (struct deps): New structure.
5260 (add_insn_mem_dependence, flush_pending_lists, sched_analyze_1,
5261 sched_analyze_2, sched_analyze_insn, sched_analyze): Accept new
5262 argument of type "struct deps *"; use that instead of global
5263 variables. All callers changed.
5264 (init_rgn_data_dependencies): Delete function.
5265 (init_rtx_vector): Delete function.
5266 (init_deps): New function.
5268 (free_pending_lists): Simplify, we always use the bb_deps array even
5269 if only one basic block.
5270 (compute_block_backward_dependences): Likewise.
5271 (schedule_region): Likewise.
5273 (propagate_deps): New function, broken out of
5274 compute_block_backward_dependences.
5275 (compute_block_backward_dependences): Use it.
5277 * alpha.md: Delete useless patterns that tried to work around
5278 register elimination problems.
5280 * unroll.c (loop_iterations): Don't abort if iteration variable
5283 From Joern Rennecke:
5284 * reload1.c (reloads_conflict): Reverse test comparing operand
5285 numbers when testing for conflict between output/outaddr reloads.
5287 1999-11-29 David S. Miller <davem@redhat.com>
5289 * config/sparc/sparc.c (init_cumulative_args): Fix type of third
5291 * config/sparc/sparc-protos.h: Update proto, move into RTX_CODE.
5293 1999-11-28 Robert Lipe <robertl@cygnus.com>
5295 * i386/sco5.h (FINI_SECTION_ASM_OP_COFF): Move destructor fn
5296 table from .fini into .dtor.
5298 1999-11-28 Anthony Green <green@cygnus.com>
5300 * tree.h (struct tree_decl): Add malloc_flag.
5301 (DECL_IS_MALLOC): Define.
5302 * c-common.c (attrs): Add A_MALLOC attribute.
5303 (init_attributes): Add this attribute to the table.
5304 (decl_attributes): Handle malloc attribute.
5305 * calls.c (special_function_p): Check for the malloc attribute.
5306 * extend.texi (Function Attributes): Document malloc attribute.
5308 Sun Nov 28 13:21:00 1999 Jeffrey A Law (law@cygnus.com)
5310 * pa.md (reload shift-add patterns): Remove.
5312 1999-11-28 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5314 * reorg.c (dbr_schedule) Print more statistics. Corrected
5315 problem when printing info when 3 delay slots are filled.
5317 1999-11-28 Jakub Jelinek <jakub@redhat.com>
5319 * combine.c (setup_incoming_promotions): Pass an outgoing
5320 regno to FUNCTION_ARG_REGNO_P which it expects.
5322 1999-11-28 Andreas Jaeger <aj@suse.de>
5324 * mips/linux.h (CPP_PREDEFINES): Undefine before redefining.
5326 Sun Nov 28 00:48:15 1999 Philippe De Muyter <phdm@macqel.be>
5328 * cccp.c (do_include): Avoid initialization of automatic variable.
5330 * integrate.c (mark_stores): Function definition made void, to match
5331 previous declaration.
5332 * regclass.c (dump_regclass): Ditto.
5333 * Makefile.in (WARN_CFLAGS): Macro augmented by `-Wtraditional'.
5335 Sat Nov 27 08:38:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5337 * expr.c (store_constructor): Use EXACT_DIV_EXPR when dividend is
5338 known to be multiple of divisor.
5340 * expr.c (store_constructor): Don't clobber TARGET if CLEARED.
5342 * combine.c (try_combine): Add code to try to merge a set of a
5343 two-word pseudo to a constant with a setting of one of those words
5346 * fold-const.c (negate_expr, associate_trees, extract_muldiv): New.
5347 (split_tree): Completely rework to make more general.
5348 (make_range, fold): Call negate_expr.
5349 (fold, case NEGATE_EXPR): Simplify -(a-b) is -ffast-math.
5350 (fold, associate): Call new split_tree and associate_trees.
5351 (fold, case MULT_EXPR, case *_{DIV,MOD}_EXPR): Call extract_muldiv.
5353 1999-11-26 Bernd Schmidt <bernds@cygnus.co.uk>
5355 * loop.c (try_copy_prop): Avoid GNU C extension.
5357 1999-11-25 Mark Mitchell <mark@codesourcery.com>
5359 * except.c (init_eh_for_function): Still zero eh_return_context,
5360 eh_return_stack_adjust, and eh_return_handler.
5362 * except.h (eh_status): Adjust documentation for x_protect_list.
5363 (begin_protect_partials): New function.
5364 * except.c (enqueue_eh_entry): Fix formatting.
5365 (get_first_handler): Add consistency check.
5366 (add_partial_entry): Adjust usage of protect_list.
5367 (emit_cleanup_handler): Save and restore ehqueue.
5368 (expand_start_all_catch): Add comment.
5369 (begin_protect_partials): New function.
5370 (end_protect_partials): Adjust usage of protect_list.
5371 (init_eh_for_function): Use xcalloc.
5373 1999-11-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5375 * c-common.c (check_format_info): Don't call a variadic function
5376 with a non-literal format string.
5378 * c-decl.c (grokdeclarator, start_struct, finish_struct): Likewise.
5380 * c-typeck.c (build_component_ref, build_unary_op, lvalue_or_else,
5381 pedantic_lvalue_warning, error_init, pedwarn_init, warning_init):
5384 * cccp.c (check_macro_name, do_xifdef, vwarning_with_line):
5387 * collect2.c (collect_wait): Likewise.
5389 * dbxout.c (dbxout_type): Likewise.
5391 * gcc.c (do_spec_1): Likewise.
5393 * genemit.c (gen_insn, gen_expand): Likewise.
5395 * genrecog.c (write_switch, write_subroutine): Likewise.
5397 * mips-tfile.c (catch_signal, botch): Likewise.
5399 * print-rtl.c (print_rtx): Likewise.
5401 * toplev.c (default_print_error_function, report_error_function,
5402 _fatal_insn): Likewise.
5404 1999-11-25 Mark Mitchell <mark@codesourcery.com>
5406 * tree.c (unsave_expr_now): Handle NULL_TREE as input.
5408 Wed Nov 24 17:08:09 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
5410 * reg-stack.c (subst_stack_regs_pat): Swap operands in commutative
5411 operations when needed.
5412 * i386.md (fop_?f_comm): New.
5413 (fop_?f_1): Do not accept commutative operands.
5415 1999-11-25 Andreas Jaeger <aj@suse.de>
5417 * config/mips/mips.md (casesi_internal): Add missing brace.
5419 1999-11-25 Jason Merrill <jason@casey.cygnus.com>
5421 * dwarf2out.c (pend_type, output_pending_types_for_scope): Lose.
5422 (splice_child_die): Handle moving a child DIE from the declaration
5423 DIE of a class to its specification.
5424 (gen_struct_or_union_type_die): Use 'complete' consistently.
5425 (gen_decl_die): Generate the virtual context DIE first.
5426 Use decl_ultimate_origin instead of DECL_ABSTRACT_ORIGIN.
5428 1999-11-24 Gavin Romig-Koch <gavin@cygnus.com>
5430 * config/mips/mips.md (call_value_multiple_interanal1): New.
5432 1999-11-24 Jason Merrill <jason@casey.cygnus.com>
5434 * dwarf2out.c (free_AT, free_die): New fns.
5435 (remove_children): Call them.
5436 (output_line_info): Disable removal of duplicate notes.
5438 Generate minimal debug info for types with TYPE_DECL_SUPPRESS_INFO set.
5439 * dwarf2out.c (gen_struct_or_union_type_die): TYPE_DECL_SUPPRESS_INFO
5440 means pretend the type isn't defined.
5441 Don't defer emitting types.
5442 (gen_type_die_for_member): New fn.
5443 (gen_decl_die): Call it.
5444 (splice_child_die): New fn.
5445 (gen_member_die): Call it rather than generate duplicate dies.
5447 Defer emitting information for the abstract instance of an inline
5448 until we either inline it or emit an out-of-line copy.
5449 * dwarf2out.c (decl_ultimate_origin): Ignore DECL_ABSTRACT_ORIGIN
5450 from output_inline_function if DECL_ABSTRACT is also set.
5451 (block_ultimate_origin): Likewise.
5452 (gen_abstract_function): New fn.
5453 (gen_decl_die, gen_inlined_subroutine_die): Call it.
5454 (gen_subprogram_die): An abstract instance is not a declaration
5455 just because it doesn't match current_function_decl. Don't abort
5456 because DECL_DEFER_OUTPUT isn't set. Do abort if a declaration
5457 has an abstract origin.
5458 * toplev.c (rest_of_compilation): Don't emit dwarf2 info for the
5459 abstract instance here.
5461 Wed Nov 24 18:39:18 1999 Andrew Haley <aph@cygnus.com>
5463 * config/sh/sh.h (SECONDARY_OUTPUT_RELOAD_CLASS): Add the case
5464 where we need to reload fpul from a system register.
5466 1999-11-24 Andreas Jaeger <aj@suse.de>
5468 * config/mips/linux.h (CPP_PREDEFINES): Added.
5469 (LINK_SPEC): Remove -Y since this is only needed on sparc.
5471 1999-11-24 Andreas Jaeger <aj@suse.de>
5473 * config/mips/linux.h (TARGET_VERSION): Added.
5474 (HANDLE_SYSV_PRAGMA): Added.
5475 (DEFAULT_VTABLE_THUNKS): Added.
5477 Wed Nov 24 14:12:15 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
5479 * local-alloc.c (qty): New structure and static variable.
5480 (qty_phys_reg): Remove, all references changed to qty.
5481 (qty_n_refs): Likewise.
5482 (qty_min_class): Likewise.
5483 (qty_birth): Likewise.
5484 (qty_death): Likewise.
5485 (qty_size): Likewise.
5486 (qty_mode): Likewise.
5487 (qty_n_calls_crossed): Likewise.
5488 (qty_alternate_class): Likewise.
5489 (qty_changes_size): Likewise.
5490 (qty_first_reg): Likewise.
5491 (alloc_qty): Rename variable QTY to QTYNO.
5492 (finf_free_reg): Likewise.
5493 (local_alloc): Allocate qty, do not allocate the removed variables.
5495 Wed Nov 24 17:26:05 1999 Geoffrey Keating <geoffk@cygnus.com>
5497 * config/mips/mips.h (ASM_SPEC): Don't pass -G to the assembler
5498 when -membedded-pic is passed.
5500 * config/mips/mips.md (casesi): Handle 64-bit case too.
5501 (casesi_internal_di): New insn.
5503 * config/mips/mips.c (embedded_pic_offset): Always make the
5504 embedded-pic subtractions relative to the name of the current
5505 function by use of the magic string "..CURRENT_FUNCTION".
5506 * config/mips/mips.h (ASM_OUTPUT_LABELREF): Make the magic happen.
5508 1999-11-24 Geoffrey Keating <geoffk@cygnus.com>
5510 * config/mips/mips.md (div_trap_normal): Don't ask for the REGNO
5511 of (const_int 0), when what we really care about is
5512 whether it's a zero constant anyway.
5513 (div_trap_mips16): Likewise.
5515 1999-11-23 Mark Mitchell <mark@codesourcery.com>
5517 * loop.c (loop_optimize): Always find_loop_tree_blocks and
5518 unroll_block_trees when generating debuggable code.
5520 * tree.h (unsave_expr_1): New function.
5521 (lang_unsave): New variable.
5522 (get_callee_fndecl): New function.
5523 * tree.c (unsave_expr_now_r): New function.
5524 (lang_unsave): Define.
5525 (unsave_expr_1): Likewise.
5526 (unsave_expr_now_r): Split out from unsave_expr_now.
5527 (unsave_expr_now): Call lang_unsave if it is non-NULL. Otherwise,
5528 call unsave_expr_now_r.
5529 (get_callee_fndecl): Define.
5531 * Makefile.in (gencheck): Don't depend on lang_tree_files.
5532 (gencheck.o): Do depend on lang_tree_files.
5534 * integrate.h (copy_decl_for_inlining): New declaration.
5535 * integrate.c (copy_and_set_decl_abstract_origin): Remove.
5536 (copy_decl_for_inlining): New function.
5537 (integrate_parm_decls): Use it.
5538 (integrate_decl_tree): Likewise.
5540 1999-11-23 Gavin Romig-Koch <gavin@cygnus.com>
5542 * config/mips/mips.h (ISA_HAS_FP4,ISA_HAS_CONDMOVE,ISA_HAS_8CC): Split
5543 the second two from the first.
5544 (CONDITIONAL_REGISTER_USAGE): Use ISA_HAS_8CC rather than ISA_HAS_FP4.
5545 * config/mips/mips.md (movcc,reload_incc,reload_outcc,
5546 conditional move): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
5548 * config/mips/mips.c (mips_move_1word,gen_conditional_branch,
5549 override_options): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
5552 Tue Nov 23 11:15:04 1999 Jeffrey A Law (law@cygnus.com)
5554 * pa.md (call_internal_symref, call_value_internal_symref): No mode
5555 needed on the address operand.
5556 * pa.c (call_operand_address): Check for the correct mode.
5558 1999-11-23 Bernd Schmidt <bernds@cygnus.co.uk>
5560 * loop.c: Include "basic-block.h".
5561 (try_copy_prop, replace_loop_reg): New functions.
5562 (load_mems): Detect registers that just hold copies of the hoisted
5563 mem, and call try_copy_prop to eliminate them.
5564 * Makefile.in (loop.o): Update dependencies.
5566 Tue Nov 23 01:03:29 1999 Hans-Peter Nilsson <hp@axis.com>
5568 * Makefile.in (gencheck.o): Depend on gencheck.h.
5569 (insn-emit.o): Depend on flags.h, hard-reg-set.h and resource.h.
5570 (insn-peep.o): Depend on except.h and function.h.
5571 (insn-attrtab.o): Depend on RECOG_H.
5572 (insn-output.o): Depend on toplev.h and flags.h.
5573 (gengenrtl.o): Depend on real.h.
5574 (gen-protos.o): Depend on cpplib.h and cpphash.h.
5575 Unify all dependencies to be on RECOG_H rather than recog.h.
5577 Tue Nov 23 00:57:10 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5579 From Casper H.S. Dik on comp.unix.solaris, 23 Oct 1998:
5580 * configure.in: Try building a bi-arch 32/64-bit compiler on
5581 sparc-*-solaris2.7 and higher.
5582 * configure: Rebuild.
5584 Mon Nov 22 23:09:44 1999 David O'Brien <obrien@FreeBSD.org>
5586 * config/freebsd.h: New, FreeBSD architecture independent file.
5587 * config/i386/freebsd-elf.h: removed FreeBSD architecturally
5589 * config/i386/freebsd.h: include i386/perform.h via tm.h rather than
5590 directly by i386/freebsd.h.
5591 * configure.in (*-*-freebsdelf): Include new FreeBSD architecturally
5592 independent configuration file.
5593 (*-*-freebsdelf): Include i386/perform.h via tm.h rather than
5594 directly by i386/freebsd.h.
5595 * configure: Rebuilt.
5597 * xm-i386.h: Define `__i386__' if not defined, rather than `i386'
5598 which is in the user's namespace.
5599 * libgcc2.c: Look for the ANSI-C approved `__i386__' symbol, vs.
5600 `i386' which is not in our namespace.
5602 Mon Nov 22 22:58:01 1999 "R. Kelley Cook" <KelleyCook@attglobal.net>
5604 * invoke.texi (ARM Options): Add in -mno-alignment-traps
5606 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
5608 * dwarf2out.c (die_struct): Remove die_attr_last and die_child_last.
5609 (add_dwarf_attr, add_child_die): Just push onto the front.
5610 (reverse_die_lists): New fn.
5611 (add_sibling_attributes): Use it.
5612 (push_decl_scope): Reorganize.
5613 (add_name_and_src_coords_attributes): Don't set file and line for
5615 (gen_subprogram_die): An artificial function doesn't need to match
5617 (gen_compile_unit_die): Return the generated die. Only add
5618 AT_comp_dir if the filename is relative.
5619 (remove_AT): Simplify loop. Also free string values.
5620 (output_die): A DIE ref can't be null.
5621 (output_value_format, value_format): Take a dw_attr_ref.
5622 (dwarf_last_decl, is_extern_subr_die, sibling_offset): Remove.
5623 (AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
5624 AT_addr, AT_lbl): New fns.
5625 (various): Use them.
5626 (various): Constify.
5628 Mon Nov 22 23:53:50 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
5630 * combine.c (combine_simplify_rtx): When handling a SUBREG,
5631 take SUBREG_WORD into account.
5632 (if_then_else_cond): Likewise.
5634 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
5636 * gmon.c, i386/gmon-sol2.c, sparc/gmon-sol2.c: Remove advertising
5637 clause from BSD license, pursuant with
5639 ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change
5641 1999-11-22 Bernd Schmidt <bernds@cygnus.co.uk>
5643 * loop.c (load_mems): Reformat slightly.
5644 * basic-block.h (regset_head): New typedef.
5645 (INIT_REG_SET): New macro.
5647 1999-11-22 Bruce Korb <autogen@linuxbox.com
5649 * fixinc/mkfisinc.sh(i?86-*-linux): disable script, run fixincl exe
5650 (mips-dec-bsd*): non-functional code
5651 (alpha*-*-linux-gnu*): redundant, duplicated by "*-*-linux-gnu*"
5653 * fixinc/inclhack.def(AAB_fd_zero_glibc_*):
5654 added three replacement fixes
5655 (no_double_slash): removed comments that are not (any longer) pertinent
5656 (bad_lval): this fix currently runs against many files.
5657 The comment seems to indicate that we should select for files
5658 containing 'pragma extern_prefix'.
5660 * fixinc/fixinc.x86-linux-gnu: deleted
5661 * fixinc/inclhack.sh: regen
5662 * fixinc/fixincl.x: regen
5663 * fixinc/fixincl.sh: regen
5665 Fri Nov 12 14:08:40 1999 Andrew Haley <aph@cygnus.com>
5667 * emit-rtl.c (gen_sequence): Only return the pattern of an insn if
5668 its code is INSN and it has no notes.
5670 1999-11-22 Andrew Haley <aph@cygnus.com>
5672 * varasm.c (function_defined): Remove.
5673 (make_function_rtl): Don't set function_defined.
5674 (make_decl_rtl): Remove global register warning.
5675 * regclass.c (no_global_reg_vars): New variable.
5676 (globalize_reg): Warn if function has already been defined.
5677 (regclass_init): Set no_global_reg_vars.
5679 Mon Nov 22 14:42:22 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
5681 * regclass.c (reg_pref): New structure and static variable
5682 (prefclass): Delete.
5684 (all uses of prefclass and altclass): Use reg_pref instead.
5686 1999-11-21 Nick Clifton <nickc@cygnus.com>
5688 * invoke.texi (ARM Options): Replace -mshort-load-bytes with
5690 (arm.h): Replace -mshort-load-bytes with -malignment-traps.
5691 (arm.c): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
5692 (arm.md): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
5694 Sun Nov 21 17:11:13 1999 Geoffrey Keating <geoffk@cygnus.com>
5696 * varasm.c (output_constructor): Solve problem with long long
5697 bitfields, even on BYTES_BIG_ENDIAN machines (testcase 991118-1).
5699 Fri Nov 19 05:48:45 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
5701 * global.c (allocno): New structure and static variable.
5702 (allocno_reg): Remove, all references replaced by allocno.
5703 (allocno_size): Likewise.
5704 (hard_reg_conflicts): Likewise.
5705 (hard_reg_preferences): Likewise.
5706 (hard_reg_copy_preferences): Likewise.
5707 (hard_reg_full_preferences): Likewise.
5708 (regs_someone_prefers): Likewise.
5709 (allocno_calls_crossed): Likewise.
5710 (allocno_n_refs): Likewise.
5711 (allocno_live_length): Likewise.
5712 (find_reg): Rename ALLOCNO to NUM.
5714 * regclass.c (may_move_in_cost): Rename from may_move_cost, all
5716 (may_move_out_cost): New variable.
5717 (init_reg_sets_1): Initialize may_move_out_cost.
5718 (record_reg_classes): Use may_move_out_cost.
5720 * regclass.c (dump_regclass): New function.
5721 (regclass): New parameter DUMP, call DUMP_REGCLASS.
5722 * toplev.c (rest_of_compilation): Open lreg dump file before regclass,
5723 pass rtl_dump_file to regclass.
5724 * rtl.h (regclass): Update prototype.
5726 Fri Nov 19 06:32:19 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
5728 * i386.md (neg, not and abs patterns): Revmap to use
5729 ix86_expand_unary_operator and ix86_unary_operator_ok.
5730 (add?f and sub?f expanders): Force operand 1 to register.
5731 * i386.c (ix86_expand_unary_operator): Rewrite.
5732 (ix86_unary_operator_ok): Ensure that memory operands
5734 (ix86_binary_operator_ok): Do not allow operand 1 to
5735 come into memory and operand 0 not.
5736 (ix86_expand_binary_operator): Ensure that
5737 src1 is not non-matching memory.
5739 * i386.md (negs?2): Rewrite to expanders, new patterns and splitters
5740 to support integer registers and memory.
5741 (abss?2_integer): Likewise.
5743 * i386.h (enum reg_class): Add FLOAT_INT_REGS.
5744 (REG_CLASS_NAMES): Likewise.
5745 (REG_CLASS_CONTENTS): Define FLOAT_INT_REGS as union of FLOAT_REGS
5747 * i386.md (pushsf): Do not preferre FLOAT_REGS over GENERAL_REGS.
5748 (movsf): Likewise; unify 4th and 5th alternative.
5750 (movdf_1): Likewise; rename to movdf_integer.
5751 (pushxf): Likewise; rename to pushxf_integer; fix output template;
5752 remove redundant splitter.
5753 (movxf_1): Likewise; rename to movxf_integer; fix splitter's condition.
5754 (movdf_nointeger): New.
5755 (movxf_nointeger): New.
5756 (pushxf_nointeger): New.
5758 * i386.md (extend?f?f): Split to expander and pattern, refuse two
5759 memory operands in patterns.
5760 (fop*): Refuse two memory operands.
5762 * i386.md (ashrsi3_31): Allow cltd when optimizing for size even
5763 on !TARGET_USE_CLTD CPUs.
5765 Fri Nov 19 10:41:15 GMT 1999 Nathan Sidwell <nathan@acm.org>
5767 * extend.texi: Document C++ restricted pointers and references.
5769 1999-11-19 Bernd Schmidt <bernds@cygnus.co.uk>
5771 * cse.c (addr_affects_sp): No longer conditional on AUTO_INC_DEC.
5772 (invalidate_skipped_set): Call it unconditionally.
5773 (cse_set_around_loop): Likewise.
5775 Thu Nov 18 17:29:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
5777 * rtl.texi (mem): Add documentation for alias-set argument
5780 Fri Nov 18 13:39:22 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
5782 * i386.h (struct_processor_costs): New fields int_load, int_store,
5783 fp_move, fp_load and fp_store
5784 (REGISTER_MOVE_COST): Fix comment, calculate exactly the cost of
5786 (MEMORY_MOVE_COST): New macro.
5787 * i386.c (386_cost): Define new fields.
5788 (i486_cost): Likewise.
5789 (pentium_cost): Likewise.
5790 (pentiumpro_cost): Likewise.
5791 (k6_cost): Likewise.
5793 Fri Nov 19 11:11:55 1999 Greg McGary <gkm@gnu.org>
5794 Geoffrey Keating <geoffk@cygnus.com>
5796 * config/m68k/m68kelf.h: Suppress '/* within comment' warning.
5798 * config/m68k/m68k.h (MASK_PCREL): Don't use same value as
5801 * config/m68k/m68k.h (MASK_NO_STRICT_ALIGNMENT): New macro.
5802 (TARGET_STRICT_ALIGNMENT): New macro.
5803 (TARGET_SWITCHES): Add "strict-align" and "no-strict-align".
5804 (STRICT_ALIGNMENT): Depend on TARGET_STRICT_ALIGNMENT.
5805 * invoke.texi (M680x0 Options): Document -mstrict-align.
5807 Thu Nov 18 11:10:03 1999 Jan Hubicka <hubicka@freesoft.cz>
5808 Richard Henderson <rth@cygnus.com>
5810 * i386-protos.h (split_xf, ix86_split_movdi): Remove.
5811 (ix86_split_long_move): Declare.
5812 * i386.c (split_xf, ix86_split_movdi): Remove.
5813 (ix86_split_to_parts, ix86_split_long_move): New.
5814 * i386.md (dimode move splitters): Use ix86_split_long_move.
5815 (dfmode move splitters): Likewise.
5816 (xfmode move splitters): Likewise.
5817 (movsf_1): Allow F->r.
5818 (movdf_1, movxf_1): Allow F->ro.
5820 1999-11-17 Mark Mitchell <mark@codesourcery.com>
5822 * except.h (struct eh_entry): Add goto_entry_p.
5823 (eh_region_from_symbol): Remove prototype.
5824 * except.c (find_func_region_from_symbol): New function.
5825 (emit_cleanup_handler): Likewise.
5826 (eh_region_from_symbol): Make it static.
5827 (add_new_handler): Verify the argument.
5828 (find_func_region): Update comment.
5829 (expand_eh_region_end): Expand handlers here, rater than waiting
5830 until expand_leftover_cleanups or start_all_catch.
5831 (expand_leftover_cleanups): Don't expand here.
5832 (expand_start_all_catch): Or here.
5833 (expand_rethrow): Check the return value from find_func_region.
5834 * function.c (expand_function_end): Emit the catch_clauses.
5836 1999-11-18 Gavin Romig-Koch <gavin@cygnus.com>
5838 * integrate.c (expand_inline_function): Add necessary check for NULL.
5840 1999-11-18 Nick Clifton <nickc@cygnus.com>
5842 * toplev.c (main): Correctly detect an unrecognised option.
5844 * cppinit.c (cpp_handle_option): Do not claim to have consumed
5845 a -f option if it has not been recognised.
5847 Thu Nov 18 00:59:11 1999 Michael Gschwind <mikeg@alagoas.watson.ibm.com>
5849 * basic-block.h (update_life_extent): Remove trailing comma on
5850 enumeration type list.
5852 1999-11-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5854 * varasm.c (output_constructor) Solved problem with long long
5855 bitfields. Corrected calculating this_time and shift. Also
5856 corrected calculating mask when BITS_PER_UNIT == 32 (c4x).
5858 Wed Nov 17 23:46:14 1999 Jeffrey A Law (law@cygnus.com)
5860 * flow.c (split_edge): Take looping structure into account when
5861 determining where to put the new block note.
5863 Wed Nov 17 20:42:43 1999 Jeff Holcomb <jeffh@cygnus.com>
5865 * Makefile.in (ggc-none.o): Provide host specific version if
5868 Wed Nov 17 16:51:23 1999 Richard Henderson <rth@cygnus.com>
5870 * cse.c (delete_trivially_dead_insns): Identify no-op insns
5871 containing subregs too.
5873 Wed Nov 17 17:39:48 MST 1999 Diego Novillo <dnovillo@cygnus.com>
5875 * invoke.texi: Add documentation for -muninit-const-in-rodata.
5876 * config/mips/mips.h (MASK_UNINIT_CONST_IN_RODATA): Define.
5877 (TARGET_UNINIT_CONST_IN_RODATA): Define.
5878 (text_section): Add switches -munint-const-in-rodata and
5879 -mno-uninit-const-in-rodata.
5880 (ASM_OUTPUT_COMMON): Remove.
5881 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Define. Check if uninitialized
5882 const objects should be placed in read-only data. Otherwise declare
5885 Wed Nov 17 16:38:32 1999 Richard Henderson <rth@cygnus.com>
5887 * jump.c (jump_optimize_1): Revert last change.
5889 Wed Nov 17 15:18:30 1999 Richard Henderson <rth@cygnus.com>
5891 * jump.c (jump_optimize_1): Don't try to duplicate the loop exit
5892 test if optimizing for size.
5894 1999-11-17 Mark Mitchell <mark@codesourcery.com>
5896 * Makefile.in (toplev.o): Depend on except.h.
5897 (dwarf2out.o,loop.o,flow.o,haifa-sched.o): Likewise.
5899 Mon Nov 15 22:45:39 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
5901 * i386.md (divmodsi4): Rewrite to expander.
5902 (*divmodsi4_nocltd): New.
5903 (*divmodsi4_cltd): New.
5904 (divmodsi4 splitter): Handle the case when input comes in edx.
5905 (udivmodhi4): Do not use constraints in exander.
5906 (ashrsi3_31): Conditionize by TARGET_USE_CLTD.
5908 1999-11-17 Jason Merrill <jason@yorick.cygnus.com>
5910 * dwarf2out.c (push_decl_scope): Still use decl_scope_depth - 1
5911 for the common case.
5913 1999-11-16 Jakub Jelinek <jakub@redhat.com>
5915 * explow.c (hard_function_value): Add outgoing argument.
5916 * expr.h (hard_function_value): Declare it.
5917 * calls.c (expand_call, emit_library_call_value): Update callers.
5918 * function.c (aggregate_value_p): Ditto.
5919 (diddle_return_value): Must look at the outgoing registers
5920 on archs with register windows.
5922 Mon Nov 15 20:46:45 1999 Richard Henderson <rth@cygnus.com>
5924 * alpha.c (alpha_build_va_list): Use make_lang_type and
5925 initialize TYPE_NAME for the va_list record.
5927 * flow.c (calculate_global_regs_live): Zero bb->aux to begin.
5929 * ggc-common.c (ggc_print_statistics): Cast size_t to unsigned long
5931 * ggc.h (struct ggc_statistics): Rearrange elements for better
5932 packing on 64-bit hosts.
5933 * lcm.c (compute_laterin): Store a size_t not an int in bb->aux.
5934 (compute_nearerout): Likewise.
5936 Tue Nov 16 14:37:52 1999 Geoffrey Keating <geoffk@cygnus.com>
5938 * config/rs6000/rs6000.c (first_reg_to_save): Save
5939 PIC_OFFSET_TABLE_REGNUM when -fpic even though it is fixed.
5941 1999-11-15 Jason Merrill <jason@casey.cygnus.com>
5943 * dwarf2out.c (scope_die_for): Don't rely on the decl_scope_table
5944 notion of nesting to find the DIE for a type or function.
5945 DIEs can go in limbo even if we got a context_die.
5946 (push_decl_scope): Our context doesn't need to be in decl_scope_table.
5947 (gen_struct_or_union_type_die): Don't use TREE_PERMANENT to test
5949 (gen_decl_die): Ignore NAMESPACE_DECLs for now.
5950 (gen_type_die): Writing out the context doesn't cause member class
5951 template instantiations to be written out as well.
5953 Mon Nov 15 15:33:18 1999 Richard Henderson <rth@cygnus.com>
5955 * rs6000.h (ASM_OUTPUT_DEF): New.
5956 Based on proposed addition from David Edelsohn.
5958 1999-11-15 Robert Lipe <RobertLipe@usa.net>
5959 Bruce Korb <autogen@linuxbox.com>
5961 * fixinc/inclhack.def
5962 (AAB_svr4_replace_byteorder): added. Takes advantage of GCC features
5963 (unixware7_byteorder_fix): added. Removes conflicts for new defs
5965 (svr5_mach_defines): added. Like svr4_mach_defines, with new syntax
5966 (svr4_endian): enabled with SVR5
5967 (svr4_mkdev): simplified syntax and enabled with SVR5
5969 Sun Nov 14 18:49:37 1999 David O'Brien <obrien@FreeBSD.org>
5971 * configure.in: Handle libgcc2 threads support on FreeBSD platforms.
5972 * configure: Rebuilt.
5973 * config/t-freebsd-thread: New file.
5975 Sun Nov 14 23:11:05 1999 Jeffrey A Law (law@cygnus.com)
5977 * i386.c (ix86_decompose_address): Verify the base is a REG
5978 before trying to examine its register number.
5980 * basic-block.h: Remove all #defines and prototypes related to
5982 (free_bb_mem, compute_preds_succs): Remove prototype.
5983 * rtl.h (free_bb_mem): Remove prototype.
5984 * flow.c (alloc_int_list_node); Remove function.
5985 (add_inst_list_node, free_int_list, add_pred_succ): Likewise.
5986 (compute_preds_succs, free_bb_mem): Likewise.
5987 * gcse.c (gcse_main): Do not call free_bb_mem anymore.
5988 * toplev.c (rest_of_compilation): Likewise.
5989 * haifa-sched.c (build_control_flow): Use flow generated edge
5990 list to build the haifa specific edge list.
5991 (find_rgns): Use new CFG data structures instead of pred/succ lists.
5992 (schedule_insns): Do not build pred/succ lists anymore. Instead
5993 build the edge table.
5995 * basic-block.h (dump_bb_data): Remove declaration.
5996 * flow.c (dump_bb_data): Remove function.
5997 * sbitmap.c (sbitmap_intersect_of_predsucc): Delete function.
5998 (sbitmap_union_of_predsucc): Likewise.
6000 * gcse.c (delete_null_pointer_checks_1): Kill unused s_preds
6001 argument. All callers changed.
6002 (delete_null_pointer_checks_1): No longer need to compute the
6005 * gcse.c (pre_expr_reaches_here_p): Kill CHECK_PRE_COM argument.
6006 All callers changed.
6007 (pre_expr_reaches_here_p_work): Likewise.
6008 (pre_edge_insert): No longer call pre_expr_reaches_here_p.
6009 * lcm.c (compute_laterin): Fix initialization of LATER.
6010 (compute_nearerout): Similarly for NEARER.
6012 Sun Nov 14 12:41:57 1999 Bernd Schmidt <bernds@cygnus.co.uk>
6014 * cse.c (set_nonvarying_address_components): Delete unused function.
6015 (refers_to_p): Likewise.
6017 Fri Nov 12 20:53:22 1999 Jeffrey A Law (law@cygnus.com)
6019 * function.c (diddle_return_value): Set REG_FUNCTION_VALUE_P as
6022 Sat Nov 13 16:20:09 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6024 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Wrap macro
6025 definition in do while (0).
6027 Fri Nov 12 16:26:25 1999 Jim Wilson <wilson@cygnus.com>
6029 * stmt.c (pushcase, pushcase_range): Partially revert Oct 28 change.
6031 Fri Nov 12 12:43:49 1999 Richard Henderson <rth@cygnus.com>
6033 * unroll.c (unroll_loop): Make temp an unsigned HOST_WIDE_INT.
6035 Fri Nov 12 15:14:19 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
6037 * i960.h (CAN_DEBUG_WITHOUT_FP): Don't define it.
6038 (FRAME_POINTER_REQUIRED): Don't worry about nonlocal goto.
6039 (ELIMINABLE_REGS, CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): New.
6040 (INITIAL_FRAME_POINTER_OFFSET): Remove it.
6042 * i960.c (i960_function_prologue): Don't allocate space for g8-g11
6043 saved on the stack. Output more accurate stack frame statistics
6044 into assembler file.
6046 1999-11-12 11:47 -0800 Zack Weinberg <zack@bitmover.com>
6048 * genextract.c (record_insn_name): New function.
6049 (get_insn_name): No longer a stub.
6050 (main): Call record_insn_name for each insn. After each label
6051 written, print the insn name in a comment.
6053 Fri Nov 12 13:45:02 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6055 * output.h (const_section, init_section, fini_section): Add
6058 * alpha/elf.h (const_section): Delete declaration.
6060 * svr4.h (const_section): Likewise.
6062 Fri Nov 12 08:54:22 1999 Mark Mitchell <mark@codesourcery.com>
6064 * tree.h (SAVE_EXPR_PERSISTENT_P): New macro.
6065 * tree.c (array_type_nelts): Don't handle SAVE_EXPRs specially.
6066 (unsave_expr_now): Don't unsave SAVE_EXPR_PERSISTENT_P
6068 * stor-layout.c (variable_size): Set SAVE_EXPR_PERSISTENT_P on
6069 variable-sized array bounds.
6071 Fri Nov 12 08:04:45 1999 Catherine Moore <clm@cygnus.com>
6073 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Use
6076 Fri Nov 12 13:31:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
6078 * config/arm/arm.h (LEGITIMIZE_RELOAD_ADDRESS): Treat QImode
6079 addresses the same way GO_IF_LEGITIMATE_INDEX does.
6081 Fri Nov 12 12:36:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
6083 * cse.c (hash_arg_in_struct): Delete.
6084 (struct table_elt): Delete elt in_struct.
6085 (struct set): Delete elt src_in_struct.
6086 (merge_equiv_classes): Don't set either hash_arg_in_struct or
6087 the corresponding in_struct elts.
6088 (canon_hash): Likewise.
6089 (safe_hash): Likewise.
6090 (find_best_addr): Likewise.
6091 (record_jump_cond): Likewise.
6092 (cse_insn): Likewise.
6094 Thu Nov 11 19:45:24 1999 Jim Wilson <wilson@cygnus.com>
6096 * loop.c (invariant_p, case MEM): Put MEM_VOLATILE_P check back.
6098 * dbxout.c (dbxout_type, case INTEGER_TYPE): Handle too large
6101 Thu Nov 11 18:54:24 1999 Jeffrey A Law (law@cygnus.com)
6103 * function.c (diddle_return_value): Put back check that the DECL_RTL
6104 for the function is a register.
6106 * function.c (diddle_return_value): Use hard_function_value to
6107 get an rtx suitable for use in the USE/CLOBBER insn.
6109 * global.c (global_conflicts): Update comments.
6110 (record_conflicts): No need to record conflicts between pseudos here.
6112 1999-11-11 Bruce Korb <autogen@linuxbox.com>
6114 * fixinc/fixincl.c: Added verbose levels for status messages
6116 Thu Nov 11 13:23:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
6118 * jump.c (jump_optimize_1): Avoid passing an rtx that is not an
6119 operand as argument to expand_and or expand_binop.
6121 Thu Nov 11 02:21:16 1999 Rodney Brown <RodneyBrown@pmsc.com>
6123 * xcoffout.c (xcoffout_source_file): Change ggc_add_root to
6124 gcc_add_string_root.
6126 Wed Nov 10 21:24:19 1999 Jason Eckhardt <jle@cygnus.com>
6128 * config/pa/pa.h (MASK_RETURN_ADDR): Change 0xfffffffc to -4.
6130 Wed Nov 10 15:56:16 1999 Jeffrey A Law (law@cygnus.com)
6132 * flow.c (compute_flow_dominators): Initially put all blocks on
6134 * lcm.c (compute_antinout_edge, compute_available): Similarly.
6135 * gcse.c (compute_cprop_avinout): Remove.
6136 (compute_cprop_data): Use compute_available.
6137 (delete_null_pointer_checks_1): Use compute_available.
6139 * basic-block.h (compute_available): Returns a void now.
6140 * gcse.c (one_classic_gcse_pass): Do not expect compute_available
6141 to return a value anymore.
6142 * lcm.c (compute_available, compute_antinout_edge): Revamp to use
6143 worklists. Fix boundary cases. Compute maximal solutions.
6144 (compute_laterin, compute_nearerout): Similarly.
6146 * dwarf2out.c (add_AT_location_description): Allow
6147 (mem (plus (pseudo) (...)) too.
6149 Wed Nov 10 10:52:42 1999 Tom Tromey <tromey@cygnus.com>
6151 * gcc.c (do_spec_1): Support text between `%u' and `%O'.
6153 Wed Nov 10 12:43:21 1999 Philippe De Muyter <phdm@macqel.be>
6154 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6156 * cppinit.c: Test `GCC_VERSION', not `HAVE_GCC_VERSION'.
6158 * gansidecl.h: Likewise.
6164 * toplev.h: Likewise.
6170 * varray.c: Likewise.
6172 * varray.h: Likewise.
6174 Wed Nov 10 10:57:22 1999 Clinton Popetz <cpopetz@cygnus.com>
6176 * gcov.c (struct arcdata): Add hits and total, remove prob.
6177 (output_branch_counts): New.
6178 (process_args): Set output_branch_counts if -c.
6179 (calculate_branch_probs): Store hits and total instead of
6181 (output_data): Emit counts if output_branch_counts is true.
6182 * gcov.texi (Invoking Gcov): Document -c switch..
6184 Wed Nov 10 01:10:41 1999 Philippe De Muyter <phdm@macqel.be>
6186 * genoutput.c (output_insn_data): Cast `INSN_OUTPUT_FORMAT_MULTI' and
6187 `INSN_OUTPUT_FORMAT_FUNCTION' to `PTR'-type.
6189 Wed Nov 10 00:51:41 1999 Hans-Peter Nilsson <hp@axis.se>
6191 * invoke.texi (C Dialect Options): Add missing builtins from
6193 * extend.texi (Other Builtins): Copy to this list.
6195 Wed Nov 10 04:58:09 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6197 * Makefile.in (recog.o): Use BASIC_BLOCK_H macro.
6198 (print-rtl.o, $(HOST_PREFIX_1)print-rtl.o): Likewise. Remove
6201 Wed Nov 10 00:02:53 1999 Jeffrey A Law (law@cygnus.com)
6203 * flow.c (compute_flow_dominators): No longer treat basic block 0
6204 or (n_basic_blocks - 1) specially. Clear the AUX field before
6205 starting computation of doms/pdoms. Fix initial state for pdoms.
6207 Wed Nov 10 03:58:08 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6209 * Makefile.in ($(HOST_PREFIX_1)rtl.o): Update dependencies to
6210 match rtl.o's: added ggc.h and toplev.h
6211 ($(HOST_PREFIX_1)print-rtl.o): Likewise: added system.h.
6212 ($(HOST_PREFIX_1)rtlanal.o): Likewise: added system.h.
6213 ($(HOST_PREFIX_1)obstack.o): Likewise: added $(CONFIG_H).
6215 Tue Nov 9 10:30:08 1999 Tom Tromey <tromey@cygnus.com>
6217 * config/i386/xm-djgpp.h (HAVE_DOS_BASED_FILE_SYSTEM): Renamed
6218 from HAVE_DOS_BASED_FILESYSTEM.
6219 * gcc.c (find_a_file): Use HAVE_DOS_BASED_FILE_SYSTEM, not
6220 HAVE_DOS_BASED_FILESYSTEM.
6222 (split_directories): Only special-case DOS file names if
6223 HAVE_DOS_BASED_FILE_SYSTEM is defined. Use IS_DIR_SEPARATOR
6224 instead of explicit tests. Conditionalize on !VMS.
6225 (make_relative_prefix): Use IS_DIR_SEPARATOR instead of explicit
6226 tests. Conditionalize on !VMS.
6227 (process_command): Only use make_relative_prefix if !VMS.
6228 (free_split_directories): Conditionalize on !VMS.
6229 (DIR_UP): Conditionalize on !VMS.
6231 Wed Jun 9 16:57:11 1999 Mumit Khan <khan@xraylith.wisc.edu>
6233 * gcc.c (STANDARD_BINDIR_PREFIX): Provide default.
6235 Fri Feb 5 14:22:01 1999 Mumit Khan <khan@xraylith.wisc.edu>
6237 * gcc.c (make_relative_prefix): Handle the HAVE_EXECUTABLE_SUFFIX
6240 Mon Nov 8 14:16:57 1999 Michael Meissner <meissner@cygnus.com>
6242 * invoke.texi (Environment Variables): Document relative path
6244 * gcc.c (DIR_UP): If not defined, define as "..".
6245 (standard_bindir_prefix): New static, holds target location to
6247 (split_directories): New function to split a filename into
6248 component directories.
6249 (free_split_directories): New function, release memory allocated
6250 by split_directories.
6251 (make_relative_prefix): New function, make a relative pathname if
6252 the compiler is not in the expected location.
6253 (process_command): If GCC_EXEC_PREFIX was not specified, see if we
6254 can figure out an appropriate prefix from argv[0].
6255 * Makefile.in (DRIVER_DEFINES): Use unlibsubdir in definition of
6256 STANDARD_STARTFILE_PREFIX and TOOLDIR_BASE_PREFIX. Define
6257 STANDARD_BINDIR_PREFIX.
6259 Wed Nov 10 11:47:54 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6261 * config/c4x/c4x-protos.h: New file. Prototypes for functions defined
6263 * config/c4x/c4x.h: Moved prototypes to c4x.h.
6264 * config/c4x/c4x.c (c4x_preferred_reload_class, c4x_limit_reload_class,
6265 c4x_secondary_memory_needed) Delete.
6266 (fp_zero_operand): Add mode argument.
6268 Thu Nov 4 15:52:35 1999 Andrew Haley <aph@cygnus.com>
6270 * reload1.c (reload_reg_free_for_value_p): Don't use a register
6271 that is in reload_reg_used.
6273 Tue Nov 9 16:43:00 1999 Nick Clifton <nickc@cygnus.com>
6275 * config/arm/arm-protos.h: New file: Prototypes for functions
6276 defined in arm.c and pe.c.
6277 * config/arm/arm.h: Fix compile time warnings.
6278 * config/arm/arm.c: Fix compile time warnings.
6279 * config/arm/pe.h: Fix compile time warnings.
6280 * config/arm/aout.h: Fix compile time warnings.
6282 Tue Nov 9 14:55:44 1999 Nick Clifton <nickc@cygnus.com>
6284 * config/m32r/m32r-protos.h: New file: Prototypes for functions
6287 * config/m32r/m32r.h: Move prototypes to m32r-protos.h
6288 Add support for subtargets.
6289 Add prototypes for new predicates.
6290 Add scheduling macros.
6292 * config/m32r/m32r.c: Fix compile time warnings.
6293 (int8_operand): New predicate function.
6294 (reg_or_cmp_int16_operand): New predicate function.
6295 (extend_operand): New predicate function.
6296 (m32r_adjust_code): New scheduling function.
6297 (m32r_adjust_priorty): New scheduling function.
6298 (m32r_sched_init): New scheduling function.
6299 (m32r_sched_reorder): New scheduling function.
6300 (m32r_sched_variable_issue): New scheduling function.
6301 (direct_return): New codegen function.
6302 (m32r_not_same_reg): New rtl testsing function.
6304 * config/m32r/m32r.md: Fix compile time warnings.
6305 Add support for pre decrement and post increment memory
6310 Mon Nov 8 22:20:13 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
6312 * global.c (EXECUTE_IF_CONFLICT): Don't define.
6313 (prune_preferences): Use EXECUTE_IF_SET_IN_ALLOCNO_SET instead.
6314 (find_reg): Likewise.
6316 Mon Nov 8 13:16:46 1999 Jason Eckhardt <jle@cygnus.com>
6318 * config/pa/pa.md (fmpynfadd,{sgl,dbl} insns): Use %fr0 rather than 0
6319 to avoid assembler errors.
6321 Mon Nov 8 15:38:41 1999 Nick Clifton <nickc@cygnus.com>
6323 * config/v850/v850-protos.h: New file: Prototypes for functions
6325 * config/v850/v850.h: Move prototypes to v850-protos.h
6326 * config/v850/v850.c: Move prototypes to v850-protos.h
6327 * config/v850/v850.md: Fix compile time warnings.
6329 * config/fr30/fr30-protos.h: New file: Prototypes for functions
6331 * config/fr30/fr30.h: Move prototypes to fr30-protos.h
6332 * config/fr30/fr30.c: Fix compile time warnings.
6333 * config/fr30/fr30.md: Fix compile time warnings.
6335 Mon Nov 8 07:25:37 1999 Mark Mitchell <mark@codesourcery.com>
6337 * tree.h (get_containing_scope): Declare it.
6338 * tree.c (get_containing_scope): New fucntion.
6339 (decl_function_context): Use it.
6340 * toplev.c (rest_of_compilation): Use get_containing_scope.
6342 aMon Nov 8 03:03:07 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6344 * Makefile.in (rtl.o): Depend on toplev.h.
6346 Sun Nov 7 20:55:14 1999 Mark Mitchell <mark@codesourcery.com>
6348 * cse.c (delete_trivially_dead_insns): Replace alloca with
6350 * except.c (update_rethrow_references): Likewise.
6351 (init_eh_nesting_info): Likewise.
6352 * function.c (identify_blocks): Likewise.
6353 * gcse.c (dump_hash_table): Likewise.
6354 * graph.c (print_rtl_graph_with_bb): Likewise.
6355 * loop.c (combine_movables): Likewise.
6356 (move_movables): Likewise.
6357 (count_loop_regs_set): Likewise.
6358 (strength_reduce): Likewise.
6359 * profile.c (compute_branch_probabilities): New function, split
6361 (branch_prob): Here. Replace alloca with xmalloc/xcalloc.
6362 * regclass.c (regclass): Likewise.
6363 * regmove.c (regmove_optimize): Likewise.
6364 * toplev.c (compile_file): Likewise.
6365 (main): Don't mess with the stack rlimit.
6367 Sun Nov 7 19:41:17 1999 Catherine Moore <clm@cygnus.com>
6369 * config/elfos.h (ASM_DECLARE_FUNCTION_NAME): Conditionally define.
6370 (ASM_DECLARE_FUNCTION_SIZE): Conditionally define.
6372 Sun Nov 7 10:23:28 1999 Mark P. Mitchell <mark@codesourcery.com>
6374 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns.
6376 Sun Nov 7 02:58:48 1999 Jeffrey A Law (law@cygnus.com)
6378 * global.c (EXECUTE_IF_CONFLICT): Undo Robert's change.
6379 (EXECUTE_IF_SET_IN_ALLOCNO_SET): Put curleys around CODE in
6382 Sat Nov 6 23:48:30 1999 Robert Lipe (robertlipe@usa.net)
6384 * global.c (EXECUTE_IF_CONFLICT): Correct quoting typo.
6386 Sat Nov 6 17:34:39 1999 Jeffrey A Law (law@cygnus.com)
6388 * gcse.c (post_dominators): Kill.
6389 (alloc_code_hoist_mem, free_code_hoist_mem); Kill post_dominators.
6390 (compute_code_hoist_data): Use compute_flow_dominators. Do not
6391 pass in a pdom array since we do not need pdoms.
6392 * haifa-sched.c (schedule_insns): Similarly.
6393 * flow.c (compute_dominators): Remove dead function.
6394 (compute_flow_dominators): Do not compute doms or pdoms if the
6395 caller does not request them. Split up loop to build doms and
6396 pdoms. Use a worklist to compute doms and pdoms.
6397 * basic-block.h (compute_dominators): Remove prototype.
6399 Sat Nov 6 11:38:39 1999 Richard Henderson <rth@cygnus.com>
6401 * haifa-sched.c (struct haifa_insn_data, h_i_d): New.
6402 (insn_luid, insn_priority, insn_costs, insn_units): Remove.
6403 (insn_reg_weight, insn_depend, insn_dep_count): Remove.
6404 (insn_blockage, insn_ref_count, line_note, insn_tick): Remove.
6405 (cant_move, fed_by_spec_load, is_load_insn): Remove.
6406 (schedule_region): Remove unused variable.
6407 (schedule_insns): Allocate h_i_d, and not all the separate arrays.
6409 Sat Nov 6 10:00:34 1999 Mark Mitchell <mark@codesourcery.com>
6411 * local-alloc.c (local_alloc): Use xmalloc/xcalloc, not alloca.
6412 (update_equiv_regs): Likewise.
6413 (block_alloc): Likewise.
6414 * reg-stack.c (reg_to_stack): Likewise.
6415 (convert_regs_2): Likewise.
6416 * reload1.c (reload_as_needed): Likewise.
6418 Sat Nov 6 09:57:59 1999 Mark Mitchell <mark@codesourcery.com>
6420 * Makefile.in (dbxout.o): Depend on ggc.h.
6421 (dwarf2out.o): Likewise.
6422 (xcoffout.o): Likewise.
6423 * dbxout.c: Include ggc.h.
6424 (dbxout_init): Register lastfile as a root.
6425 * dwarf2out.c: Include ggc.h.
6426 (dwarf2out_line): Register lastfile as a root.
6427 * xcoffout.c: Include ggc.h.
6428 (xcoffout_source_line): Register xcoff_lastfile as a root.
6430 Sat Nov 6 09:52:09 1999 Richard Henderson <rth@cygnus.com>
6432 * i386.md (movdf_1, movxf_1): Earlyclobber general regs destination.
6434 Sat Nov 6 07:48:59 1999 Catherine Moore <clm@cygnus.com>
6436 * config/svr4.h (ASM_DECLARE_FUNCTION): Check if already
6438 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
6440 Fri Nov 5 18:33:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
6442 * global.c (EXECUTE_IF_SET_IN_ALLOCNO_SET): New macro.
6443 (EXECUTE_IF_CONFLICT): Likewise.
6444 (ALLOCNO_LIVE_P): Avoid signed division.
6445 (SET_ALLOCNO_LIVE, CLEAR_ALLOCNO_LIVE): Likewise.
6446 (prune_preferences, find_reg): Use EXECUTE_IF_CONFLICT.
6447 (record_one_conflict): Use EXECUTE_IF_SET_IN_ALLOCNO_SET.
6449 Fri Nov 5 12:04:02 1999 Richard Henderson <rth@cygnus.com>
6451 * haifa-sched.c (schedule_block): Don't crash if there's no
6452 next insn for an interblock movement.
6453 (add_branch_dependences): Don't allow clobber insns to move either.
6455 Fri Nov 5 10:18:11 1999 Richard Henderson <rth@cygnus.com>
6457 * i386.c (split_xf): New.
6458 * i386-protos.h: Declare it.
6459 * i386.md (movxf_1): Add general regs alternatives.
6460 (movxf_1+1): New splitter for same.
6462 Fri Nov 5 12:05:52 1999 Nick Clifton <nickc@cygnus.com>
6464 * function.c (purge_addressof_1): Add missing return values.
6466 Fri Nov 5 10:07:25 1999 Nick Clifton <nickc@cygnus.com>
6468 * function.c (is_addressof): New function. Returns true if
6469 the given piece of RTL is an ADDRESSOF.
6470 (purge_addressof_1): Make boolean. Return false if the
6471 ADDRESSOFs could not be purged.
6472 (purge_addressof): If ADDRESSOFs could not be purged from the
6473 notes attached to an insn, remove the offending note(s),
6474 unless they are attached to a libcall.
6476 1999-11-05 Andreas Jaeger <aj@suse.de>
6478 * genoutput.c (null_operand =): Initialize all fields.
6480 * errors.h: Add extern to prototypes.
6482 Fri Nov 5 01:44:09 1999 Jeffrey A Law (law@cygnus.com)
6484 * configure.in (m68k-next-nextstep4): Handle Openstep 4.2.
6485 * configure: Rebuilt.
6487 Fri Nov 5 01:24:37 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
6489 * global.c (CONFLICTP, SET_CONFLICT): Avoid signed division.
6490 (mirror_conflicts): New function.
6491 (global_alloc): Call it.
6492 (expand_preferences): Remove redundant CONFLICTP test.
6493 (find_reg, dump_conflicts): Likewise.
6494 (prune_preferences): Process conflicts one word at a time.
6496 Fri Nov 5 01:05:21 1999 Richard Henderson <rth@cygnus.com>
6498 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_BITMAP
6499 instead of an explicit loop.
6501 Thu Nov 4 23:07:14 1999 Jim Wilson <wilson@cygnus.com>
6503 * cse.c (cse_insn): Revert Oct 31 change. When computing src_elt,
6504 if REG_RETVAL check succeeds, then put classp in src_elt.
6506 Thu Nov 4 23:48:14 1999 Jeffrey A Law (law@cygnus.com)
6508 * function.c (pad_to_arg_alignment): Only update argument_pad
6509 if the argument's alignment is greater than STACK_BOUNDARY.
6511 Thu Nov 4 16:44:53 1999 Richard Henderson <rth@cygnus.com>
6513 * bitmap.h (BITMAP_XFREE): New.
6514 * flow.c (life_analysis): Use it.
6515 (life_analysis_1): Free blocks.
6517 * combine.c (undo_commit): New.
6518 (try_combine): Use it. Don't zap undobuf.undos.
6519 (combine_instructions): Don't zap undobuf.undos; free the
6522 * local-alloc.c (local_alloc): Free qty_phys_num_sugg.
6524 * stmt.c (cost_table_): New.
6525 (estimate_case_costs): Use it instead of xmalloc.
6527 * toplev.c (compile_file): Reuse dumpname memory instead
6530 Thu Nov 4 16:36:44 1999 Richard Henderson <rth@cygnus.com>
6532 * reg-stack.c (convert_regs_1): Initialize target_stack->top
6533 after verifying an EH edge.
6535 * haifa-sched.c (init_rgn_data_dependences): Correctly
6536 size bb_pending_lists_length when zeroing.
6538 Thu Nov 4 16:36:36 1999 Richard Henderson <rth@cygnus.com>
6540 * function.c (diddle_return_value): New.
6541 (expand_function_end): Use it.
6542 * stmt.c (expand_null_return): Likewise.
6543 (expand_value_return): Likewise.
6545 * reg-stack.c (subst_stack_regs_pat): Handle clobbers at top-level.
6547 * reload1.c (reload): Don't remove return value clobbers.
6549 Thu Nov 4 13:33:46 1999 Richard Henderson <rth@cygnus.com>
6551 * rtl.c (read_rtx): Use fatal_with_file_and_line not fatal.
6553 Thu Nov 4 12:49:52 1999 Richard Henderson <rth@cygnus.com>
6555 * cse.c (cse_main): Use xmalloc, not alloca.
6556 (cse_basic_block): Likewise.
6557 * local-alloc.c (local_alloc): Likewise.
6559 Thu Nov 4 14:22:12 1999 David Billinghurst <David.Billinghurst@riotinto.com.au>
6560 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6562 * rtl.c: Include toplev.h.
6563 (fatal): Remove declaration.
6565 Thu Nov 4 06:39:47 1999 Jeffrey A Law (law@cygnus.com)
6567 * haifa-sched.c (schedule_block): Fix thinko.
6569 1999-11-03 James McKelvey <mckelvey@fafnir.com>
6571 * fixinc/fixincl.c(create_file): Allow for systems that do not have
6572 S_IR* defined values
6574 1999-11-03 Philippe De Muyter <phdm@macqel.be>
6576 * fixlib.c (load_file_data): Do not call `realloc' with a NULL pointer;
6577 call `malloc' instead.
6579 Wed Nov 3 23:05:14 1999 Mark Mitchell <mark@codesourcery.com>
6581 * flags.h (flag_renumber_insns): Declare.
6582 * emit-rtl.c (renumber_insns): Check flag_renumber_insns. Print
6584 * rtl.h (renumber_insns): Change prototype.
6585 * toplev.c (flag_renumber_insns): Define.
6586 (rest_of_compilation): Pass rtl_dump_file to flag_renumber_insns.
6588 Wed Nov 3 15:11:27 1999 David S. Miller <davem@redhat.com>
6590 * config/sparc/sparc.md: Remove insn type fpsqrt, add fpsqrts
6591 and fpsqrtd. Use them and create fdiv function unit to more
6592 accurately represent fpu sqrt pipeline semantics on UltraSparc.
6593 * config/sparc/sparc.c: Account for fpsqrt{s,d} changes.
6595 Wed Nov 3 15:11:27 1999 Matteo Frigo <athena@fftw.org>
6597 * config/sparc/sparc.md: Adjust FADD/FMUL result latencies to
6599 * config/sparc/sparc.c (ultra_schedule_insn): Insert launched
6600 insn into ready list, do not use just a raw swap.
6602 Wed Nov 3 14:51:59 1999 Mark P. Mitchell <mark@codesourcery.com>
6604 * rtl.h (renumber_insns): New function.
6605 (remove_unnecessary_notes): Likewise.
6606 * emit-rtl.c (renumber_insns): Define.
6607 (remove_unncessary_notes): Likewise.
6608 * toplev.c (rest_of_compilation): Remove dead code.
6609 Use renumber_insns and remove_unncessary_notes.
6611 * gcse.c (struct null_pointer_info): New type.
6612 (get_bitmap_width): New function.
6613 (current_block): Remove.
6614 (nonnull_local): Likewise.
6615 (nonnull_killed): Likewise.
6616 (invalidate_nonnull_info): Take a null_pointer_info as input.
6617 (delete_null_pointer_checks_1): New function.
6618 (delete_null_pointer_checks): Use it.
6620 * haifa-sched.c (find_rgns): Replace uses of alloca with xmalloc.
6621 (split_edges): Likewise.
6622 (schedule_block): Likewise.
6623 (compute_block_backward_dependencies): Likewise.
6624 (schedule_region): Likewise.
6625 (schedule_insns): Likewise.
6627 Wed Nov 3 15:40:23 1999 Catherine Moore <clm@cygnus.com>
6629 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Provide default.
6630 * emit-rtl.c (gen_label_rtx): Support LABEL_ALTERNATE_NAME.
6631 * final.c (final_scan_insn): Emit LABEL_ALTERNATE_NAME.
6632 * ggc-common.c (ggc_mark_rtx_children): Mark LABEL_ALTERNATE_NAME.
6633 * jump.c (delete_unreferenced_labels): Don't delete if
6634 LABEL_ALTERNATE_NAME is set.
6635 * print-rtl.c (print_rtx): Dump alternate name.
6636 * rtl.def (CODE_LABEL): Change format to "iuuis00s".
6637 * rtl.h (LABEL_ALTERNATE_NAME): Define.
6638 * rtl.texi (LABEL_ALTERNATE_NAME): Document.
6639 * tm.texi (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Document.
6641 Wed Nov 3 15:39:19 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6643 * fix-header.c (recognized_extern, recognized_function): Constify
6646 * lcm.c (compute_laterin): Remove unused variable `temp_bitmap'.
6647 (pre_edge_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
6648 (compute_available): Remove unused variable `last'.
6649 (compute_nearerout): Remove unused variable `temp_bitmap'.
6650 (pre_edge_rev_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
6651 Remove unused variable `x'.
6653 * scan.h (recognized_function, recognized_extern): Constify a
6656 * simplify-rtx.c (simplify_rtx): Remove unused variable `new'.
6658 Wed Nov 3 10:40:53 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6660 * varasm.c (decode_rtx_const): Use XSTR to access the string
6663 Wed Nov 3 10:10:58 1999 Richard Henderson <rth@cygnus.com>
6665 * c-decl.c (duplicate_decls): Copy DECL_MODE too.
6667 Wed Nov 3 12:12:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
6669 * reload1.c (eliminate_regs_in_insn): If copying insn, also copy notes.
6671 Wed Nov 3 03:26:28 1999 Jeffrey A Law (law@cygnus.com)
6673 * pa.c (ireg_operand): New function.
6674 * pa.h (PREDICATE_CODES): Handle ireg_operand.
6675 * pa.md (parallel_addb, parallel_movb): Use ireg_operand.
6676 Fix out of date comment.
6678 * pa.md (negdi2): Turn into expander + anonymous pattern.
6680 * reload.c (find_reloads): Fix typos in recent change.
6682 * dwarf2out.c: Do not include ctype.h.
6684 Tue Nov 2 21:53:44 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6686 * regclass.c (record_reg_classes): Always use may_move_cost when
6687 seeing how operand fits with various register classes.
6689 Tue Nov 2 15:38:17 1999 Richard Henderson <rth@cygnus.com>
6691 * resource.c: Revert Oct 26 20:42 and Oct 27 00:56 changes.
6692 * toplev.c: Revert Nov 1 13:22 change.
6694 Tue Nov 2 14:21:37 1999 Jason Eckhardt <jle@cygnus.com>
6696 * config/pa/pa.md (height reduction patterns): Add checks for
6697 overlapping operands to avoid semantic-destroying splits for
6698 height reduction patterns.
6700 Tue Nov 2 15:27:31 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6702 * configure.in (m68k-hp-hpux*, xm_alloca.h): The underscore should
6703 have been an hyphen, fixed.
6704 * configure: Rebuilt.
6706 Tue Nov 2 17:04:36 1999 Nick Clifton <nickc@cygnus.com>
6708 * config/arm/tpe.h: Add prototypes for exported functions.
6709 * config/arm/pe.c: Fix compile time warnings.
6710 * config/arm/semi.h: Fix compile time warnings.
6711 * config/arm/arm.c: Fix compile time warnings.
6712 * config/arm/arm.h: Fix compile time warnings.
6713 * config/arm/arm.md: Fix compile time warnings.
6714 * config/arm/thumb.c: Fix compile time warnings.
6715 * config/arm/thumb.h: Fix compile time warnings.
6716 * config/arm/thumb.md: Fix compile time warnings.
6718 Tue Nov 2 04:10:24 1999 Jan Hubicka <hubicka@freesoft.cz>
6720 * jump.c (jump_optimize_1): Swap the incscc and the conditional mode
6723 * unroll.c (unroll_loop): Remove LOOP notes when loop is
6724 completely unrolled.
6726 Tue Nov 2 16:57:22 1999 Bernd Schmidt <bernds@cygnus.co.uk>
6728 * cse.c (simplify_plus_minus, check_fold_const): Delete declarations.
6730 Tue Nov 2 09:43:00 1999 Catherine Moore <clm@cygnus.com>
6732 * Makefile.in (genattrtab): Don't use (HOST_RTLANAL).
6733 * rtl.h (rtx_equal_p): Move prototype.
6734 * rtl.c (rtx_equal_function_value_matters): Move from
6736 (rtx_equal_p): Likewise.
6737 * rtlanal.c (rtx_equal_function_value_matters): Delete.
6738 (rtx_equal_p): Likewise.
6740 Mon Nov 1 23:21:17 1999 Jason Merrill <jason@yorick.cygnus.com>
6742 * libgcc2.c (__do_global_dtors): Only do EH frame stuff if
6745 Mon Nov 1 23:37:38 1999 Jeffrey A Law (law@cygnus.com)
6747 * gcc.1 (PA options): Remove obsolete -mshared-libs options.
6749 * pa.h (ADDR_VEC_ALIGN): Define.
6751 * jump.c (jump_optimize_1): Also move LOOP_VTOP and LOOP_CONT
6752 notes when presented with "if (foo) break; end_of_loop" and
6753 the break sequence gets moved out of the loop.
6755 * unroll.c (unroll_loop): Allocate memory for MAP using xcalloc.
6756 Remove explicit zero initializations of entries within MAP.
6758 Mon Nov 1 18:09:14 1999 Richard Henderson <rth@cygnus.com>
6760 * reg-stack.c (convert_regs_1): Handle EH edges specially.
6762 Mon Nov 1 15:41:01 1999 Mark P. Mitchell <mark@codesourcery.com>
6764 * bitmap.h (BITMAP_XMALLOC): New macro.
6765 * flow.c (CLEAN_ALLOCA): Remove.
6766 (delete_unreachable_blocks): Use xmalloc/xcalloc instead of alloca.
6767 (life_analysis): Likewise.
6768 (update_life_info): Don't use CLEAN_ALLOCA.
6769 (life_analysis_1): Use xmalloc/xcalloc instead of alloca.
6770 (calculate_global_regs_live): Likewise.
6771 (print_rtl_with_bb): Likewise.
6772 (verify_flow_info): Likewise.
6773 * global.c (global_alloc): Likewise.
6774 (global_conflicts): Likewise.
6775 * integrate.c (save_for_inline_nocopy): Likewise.
6776 (expand_inline_function): Likewise.
6777 * jump.c (jump_optimize_1): Likewise.
6778 (duplicate_loop_exit_test): Likewise.
6779 (thread_jumps): Likewise.
6780 * loop.c (loop_optimize): Likewise.
6781 (combine_givs): Likewise.
6782 (recombine_givs): Likewise.
6783 * reorg.c (dbr_schedule): Likewise.
6784 * unroll.c (unroll_loop): Likewise.
6786 * combine.c (combine_instructions): Use xmalloc instead of alloca.
6788 Mon Nov 1 13:22:30 1999 Richard Henderson <rth@cygnus.com>
6790 * toplev.c (rest_of_compilation): Don't optimize the CFG
6791 when rebuilding, just before dbr.
6793 Mon Nov 1 14:35:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6795 * output.h (assemble_end_function, assemble_destructor,
6796 assemble_constructor, assemble_gc_entry, assemble_global,
6797 assemble_label, output_constant_pool) Constify a char*.
6799 * varasm.c (assemble_destructor, assemble_constructor,
6800 assemble_gc_entry, assemble_end_function, assemble_global,
6801 assemble_label, output_constant_pool): Likewise.
6803 Mon Nov 1 14:22:51 1999 Nick Clifton <nickc@cygnus.com>
6805 * config/arm/thumb.c (thumb_expand_prologue): Add comments
6806 explaining what is goin on in this function.
6808 Mon Nov 1 08:03:15 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6810 * regclass.c (record_reg_classes): In matching case, recompute
6811 costs since the direction of movement is different.
6813 Sun Oct 31 21:59:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
6815 * resource.c (mark_target_live_regs): For unconditional branches,
6816 the resources found at the branch target should be added to the
6817 resources found so far, not intersected.
6819 Sun Oct 31 15:48:49 1999 Philippe De Muyter <phdm@macqel.be>
6821 * fixinc/fixtests.c, fixinc/fixfixes.c : Keep `#' in first column for
6823 * fixinc/fixincl.c (fcntl.h) : Do not include this file twice.
6824 (sys/mman.h): Include this file only if #HAVE_MMAP.
6825 (run_compiles): Initialize `esac_fmt' with one old KR string, not
6826 with automatically concatenated ANSI strings.
6828 Sun Oct 31 23:57:07 1999 Mark Mitchell <mark@codesourcery.com>
6830 * ggc-page.c (struct page_entry): Remove save_num_free_objects.
6831 (DIV_ROUND_UP): Robustify.
6832 (ggc_recalculate_in_use_p): New function.
6833 (release_pages): Don't inline it.
6834 (ggc_alloc_obj): Don't refuse to allocate objects on pages for
6836 (ggc_pop_context): Use ggc_recalculate_in_use_p.
6837 (clear_marks): Always save in_use_p.
6838 (sweep_pages): Use ggc_recalculate_in_use_p.
6839 (ggc_page_print_statistics): Avoid signed/unsigned comparisons.
6840 Release pages before counting statistics.
6842 Sun Oct 31 23:42:37 1999 Mark Mitchell <mark@codesourcery.com>
6844 * toplev.c (rest_of_compilation): Fix thinko in this change:
6846 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
6848 (rest_of_compilation): If inside an inlined external function,
6849 pretend we are just being declared.
6851 Sun Oct 31 23:03:25 1999 Jeffrey A Law (law@cygnus.com)
6853 * flow.c (calculate_global_regs_live): Fix thinko.
6855 * integrate.c (expand_inline_function): Fix bugs in previous
6856 change from Oct 28, 1999.
6858 Sun Oct 31 20:27:45 1999 Mark Mitchell <mark@codesourcery.com>
6860 * stmt.c (expand_value_return): Fix typo in this change:
6862 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6863 (expand_value_return): Correctly convert VAL when promoting function
6864 return; support RETURN_REG being a PARALLEL.
6866 Sun Oct 31 20:25:42 1999 Mark P. Mitchell <mark@codesourcery.com>
6868 * expr.c (readonly_fields_p): Ignore everything except FIELD_DECLs.
6870 Sun Oct 31 20:42:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6872 * hard-reg-set.h (reg_names): Constify a char*.
6874 * regclass.c (reg_names): Likewise.
6876 * regs.h (reg_names): Likewise
6878 * a29k/a29k.c (reg_names): Delete declaration.
6880 * a29k/a29k.h (CONDITIONAL_REGISTER_USAGE): Constify a char*.
6882 * arc/arc.c (arc_save_restore, arc_output_function_prologue,
6883 arc_output_function_epilogue): Likewise.
6885 * elxsi/elxsi.c (reg_names): Likewise.
6887 * gmicro/gmicro.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Likewise.
6889 * m32r/m32r.c (m32r_output_function_epilogue, emit_cond_move):
6892 * m88k/m88k.c (output_function_profiler): Likewise.
6894 * sparc/sparc.c (sparc_flat_output_function_prologue,
6895 sparc_flat_output_function_epilogue): Likewise.
6897 Sun Oct 31 13:32:15 CET 1999 Marc Lehmann <pcg@goof.com>
6899 * toplev.c (rest_of_compilation): Seperate the setjmp/vfork clobber
6900 warning from -Wuninitialized and put it under -W.
6901 * function.c (uninitialized_vars_warning): Warn only when the
6902 corresponding flag is set.
6904 Sun Oct 31 01:53:30 1999 Jeffrey A Law (law@cygnus.com)
6906 * cse.c (cse_insn): If an insn has only a single set, SRC_EQV
6907 is nonzero and the single set does not have an elt, then assign
6910 * simplify-rtx.c: New file.
6911 * Makefile.in (OBJS): Add simplify-rtx.o
6912 (simplify-rtx.o): Add dependencies.
6913 * rtl.h (simplify_gen_binary, simplify_rtx): Add prototypes.
6914 * cse.c: Use simplify_gen_binary intead of cse_gen_binary.
6915 (cse_gen_binary, simplify_unary_operation): Delete.
6916 (simplify_binary_operation, simplify_plus_minus): Likewise.
6917 (check_fold_consts, simplify_relation_operation): Likewise.
6918 (simplify_ternary_operation): Likewise.
6919 (delete_trivially_dead_insns): Simplify the contents of the
6920 REG_EQUAL note before trying to substitute it into the source
6921 of the reg-reg copy at the end of a libcall sequence.
6923 * combine.c (combine_simplify_rtx): Renamed from simplify_rtx. All
6924 references/callers changed.
6926 * mn10200.c (mn10200_va_arg): Force the return value into a
6929 * fr30.h (EXTRA_CC_NAMES): Remove obsolete macro.
6931 * cccp.c (macroexpand): Avoid out of range accesses for omitted
6934 Sat Oct 30 22:42:50 1999 Stephen L Moshier <moshier@mediaone.net>
6936 * c-lex.c (yylex): Accept 'f' in mantissa of hex float constant.
6938 Sat Oct 30 22:19:26 1999 Jeffrey A Law (law@cygnus.com)
6940 * fold-const.c (fold): Fix thinko when optimizing comparisons
6943 Sat Oct 30 21:32:17 1999 David Starner <dstarner98@aasaa.ofe.org>
6945 * gcc.texi (Passes): Update front-end files to their current
6948 Sat Oct 30 14:41:40 1999 Richard Henderson <rth@cygnus.com>
6950 * alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Call secondary_reload_class.
6951 (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
6952 (PREDICATE_CODES): Add addition_operation.
6953 * alpha-protos.h (addition_operation): Declare.
6954 (secondary_reload_class): Likewise.
6955 * alpha.c (addition_operation): New.
6956 (secondary_reload_class): New, from old SECONDARY_INPUT_RELOAD_CLASS.
6957 * alpha.md (adddi3): Turn into expander.
6958 (*lda, *adddi_2): New.
6959 (movsf, movdf patterns): Don't preference integer regs.
6960 (movsi, movdi patterns): Don't preference fp regs.
6962 Sat Oct 30 14:38:22 1999 Richard Henderson <rth@cygnus.com>
6964 * genrecog.c (write_switch): Check for duplicate CODE cases.
6966 Sat Oct 30 14:31:48 1999 Richard Henderson <rth@cygnus.com>
6968 * ggc-common.c: Update pre-function commentary.
6969 * ggc-page.c: Likewise.
6971 (poison_pages): Use memset directly.
6972 (ggc_alloc_obj): Likewise. Use a different pattern than poison_pages.
6973 (ggc_collect): Poison before sweeping.
6974 * ggc-simple.c: Update pre-function commentary.
6975 (ggc_alloc_obj): Poison non-zeroed memory.
6977 Sat Oct 30 14:28:52 1999 Mark Mitchell <mark@codesourcery.com>
6979 * ggc-common.c (ggc_print_statistics): Make arguments to fprintf
6980 match format string, even on 64-bit hosts.
6981 * gcc-page.c (ggc_page_print_statistics): Likewise.
6983 Sat Oct 30 14:38:04 1999 Catherine Moore <clm@cygnus.com>
6985 * config/i386/i386.c (ix86_cpu): Revert last patch.
6986 * config/i386/i386.h (ix86_cpu): Ditto.
6988 Fri Oct 29 17:00:42 1999 Jim Wilson <wilson@cygnus.com>
6990 * stor-layout.c (layout_type): When compute TYPE_SIZE_UNIT from
6991 TYPE_SIZE, convert type of result to sizetype.
6993 Fri Oct 29 14:34:17 1999 Richard Henderson <rth@cygnus.com>
6995 * flow.c (count_or_remove_death_notes): Equate NULL with the
6998 * jump.c, reg-stack.c, toplev.c: Revert Oct 27 change.
6999 * toplev.c (rest_of_compilation): Rebuild CFG immediately before
7002 * i386.c (pic_label_no): Delete.
7003 (ix86_attr_length_default): Don't use single_set to peek
7006 * recog.c (peephole2_optimize): Allow recog_next_insn to index
7007 the first insn after bb->end.
7008 * i386.md (push mem peeps): Scratch is live after evaluation
7010 (cmp mem peep): Similarly.
7012 Fri Oct 29 11:50:11 1999 Catherine Moore <clm@cygnus.com>
7014 * calls.c (emit_library_call_value): Fix declaration of alignment_pad.
7015 * function.c (pad_to_arg_alignment): Add missing braces.
7017 Fri Oct 29 13:53:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7019 * alpha/alpha-protos.h (literal_section): Add prototype.
7020 (alpha_need_linkage, alpha_start_function,alpha_end_function):
7023 * alpha/alpha.c (alpha_ra_ever_killed, set_frame_related_p): Add
7025 (alpha_start_function, alpha_end_function, float_strings,
7026 alpha_need_linkage): Constify a char*
7028 * alpha/alpha.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_MI_THUNK): Likewise.
7030 * alpha/alpha32.h (ASM_OUTPUT_MI_THUNK): Likewise.
7032 * alpha/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
7034 * alpha/vms.h (ASM_OUTPUT_SECTION_NAME): Likewise.
7036 Fri Oct 29 13:49:39 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7038 * flow.c (debug_flow_info): Add prototype.
7040 * gcc.c (main): Likewise.
7042 * gcse.c (expr_reaches_here_p_work, pre_expr_reaches_here_p_work):
7045 * reload1.c (failed_reload, set_reload_reg): Likewise.
7047 * mips-tfile.c (main): Likewise.
7048 (pfatal_with_name, fancy_abort, botch, fatal, catch_signal): Mark
7049 with ATTRIBUTE_NORETURN.
7051 Fri Oct 29 18:16:03 1999 Andrew Haley <aph@cygnus.com>
7053 * config/i386/i386.h (ENCODE_SECTION_INFO): Don't do anything if
7054 DECL is not a memory ref.
7056 Fri Oct 29 09:05:34 1999 Catherine Moore <clm@cygnus.com>
7058 * config/i386/i386.h (ix86_cpu): Remove extern attribute.
7059 * config/i386/i386.c (ix86_cpu): Add extern attribute.
7061 Fri Oct 29 16:30:04 1999 Andrew Haley <aph@cygnus.com>
7063 * config/mips/elf.h: remove NAME__MAIN and SYMBOL__MAIN.
7064 * config/mips/elf64.h: ditto.
7066 Fri Oct 29 08:03:57 1999 Catherine Moore <clm@cygnus.com>
7068 * expr.c (emit_push_insn): New argument alignment_pad.
7069 Update all callers. Adjust stack pointer based on alignment pad.
7070 * function.c (pad_to_arg_alignment): New argument alignment_pad.
7071 Update all callers. Track alignment_pad if boundary > PARM_BOUNDARY.
7072 (locate_and_pad_parm): New argument alignment_pad. Update all
7074 * expr.h (emit_push_insn): Update prototype.
7075 (locate_and_pad_parm): Update prototype.
7076 * calls.c (arg_data): Add new field alignment_pad.
7077 (initialize_argument_information): Initialize alignment_pad.
7079 Fri Oct 29 02:51:35 1999 Mark Mitchell <mark@codesourcery.com>
7081 * except.c (free_eh_nesting_info): Free the info itself.
7082 * function.c (free_after_compilation): Don't free NULL.
7083 * gcse.c (alloc_pre_mem): Free the temp_bitmap, too.
7084 (pre_edge_insert): Free inserted.
7085 * stmt.c (free_stmt_status): Don't free NULL.
7087 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
7089 * gcov.c (DIR_SEPARATOR): Provide default.
7090 (output_data): Add test for MS-DOS format absolute filename.
7091 (fancy_abort): Correct program name.
7092 (open_files): Open all files in binary mode.
7093 * libgcc2.c (__bb_exit_func): Likewise.
7095 * profile.c (init_branch_prob): Specify binary when opening files.
7097 * flags.h (flag_unwind_tables): New decl.
7098 * toplev.c (flag_unwind_table): New definition.
7099 (f_options): Add -funwind-tables.
7100 (decode_g_option): Clarify warning when unknown -g option is given.
7101 (rest_of_compilation): If inside an inlined external function,
7102 pretend we are just being declared.
7104 * dwarf2out.c (dwarf2out_do_frame): Check -funwind_tables.
7105 (dwarf2out_frame_finish): Likewise.
7107 Fri Oct 29 07:44:26 1999 Vasco Pedro <vp@di.fct.unl.pt>
7109 * fold-const.c (merge_ranges): If not in0, but in1, handle
7110 upper bounds equal like subset case.
7112 Thu Oct 28 19:22:24 1999 Douglas Rupp <rupp@gnat.com>
7114 * dbxout.c (dbxout_parms): Generate a second stabs line for parameters
7115 passed in a register but moved to the stack.
7117 Thu Oct 28 19:12:57 1999 Sam Tardieu <tardieu@act-europe.fr>
7119 * gcc.c (pass_exit_codes, greatest_status): New variables.
7120 (struct option_map): Add entry for "--pass-exit-codes".
7121 (execute): Update greatest_status if error.
7122 (display_help): Add documentation for -pass-exit-codes.
7123 (process_command): Handle -pass-exit-codes.
7124 (main): Look at pass_exit_codes and greatest_status on call to exit.
7126 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7128 * reload.c (find_reloads): Refine test for no input reload
7129 case to not includes reloads emitted after insn.
7131 * function.c (find_temp_slots_from_address): Handle sum involving
7132 a register that points to a temp slot.
7133 (update_temp_slot_address): Make recursive call if both old and
7134 new are PLUS with a common operand.
7135 * calls.c (expand_call): Mark temp slot for result as having
7138 * rtlanal.c (reg_referenced_p, case IF_THEN_ELSE): New case.
7140 * gcc.c (process_command): Add standard_exec_prefix with "GCC"
7141 component as well as "BINUTILS".
7143 * integrate.h (copy_rtx_and_substitute): New arg, FOR_LHS.
7144 * integrate.c (copy_rtx_and_substitute): Likewise.
7145 (expand_inline_function, integrate_parm_decls, integrate_decl_tree):
7146 All callers changed.
7147 * unroll.c (inital_reg_note_copy, copy_loop_body): Likewise.
7149 * dbxout.c (dbxout_type, case INTEGER_TYPE_NODE): If can use
7150 gdb extensions, write size of type; also be more consistent
7151 in using references when this is a subtype.
7153 * pa.md (extv, extzv, insv): Use define_expand to reject constant
7154 that is out of range.
7156 * loop.c (unknown_constant_address_altered): New variable.
7157 (prescan_loop): Initialize it.
7158 (note_addr_stored): Set it for RTX_UNCHANGING_P MEM.
7159 (invariant_p, case MEM): Remove handling for volatile and readonly;
7160 check new variable if readonly.
7161 (check_dbra_loop): Chdeck unknown_constant_address_altered.
7163 * cse.c (canon_hash, case MEM): Do not record if BLKmode.
7164 (addr_affects_sp_p): Removed from note_mem_written and only
7165 define #ifdef AUTO_INC_DEC.
7167 * alpha.c (input_operand, case ADDRESSOF): Treat as REG.
7169 * regclass.c (record_reg_classes): Properly handle register move
7172 * varasm.c (initializer_constant_valid_p, case MINUS_EXPR):
7173 Don't think valid if both operands are invalid.
7174 (struct constant_descriptor): New field RTL.
7175 (mark_const_hash_entry): Mark it.
7176 (record_constant{,_rtx}): Initialize it.
7177 (output_constant_def): Allocate RTL in permanent obstack and
7179 ({record,compare}_constant_1): Modes must match for
7180 CONSTRUCTOR of ARRAY_TYPE.
7182 * c-common.h (initializer_constant_valid_p): Delete decl from here.
7183 * output.h (initializer_constant_valid_p): Move decl to here.
7184 * c-common.c (initializer_constant_valid_p): Delete function from here.
7185 * varasm.c (initializer_constant_valid_p): Move function to here.
7187 * tree.h (STRIP_SIGN_NOPS): New macro.
7188 * fold-const.c (optimize_minmax_comparison): New function.
7189 (invert_truthvalue, case WITH_RECORD_EXPR): New case.
7190 (fold): Use STRIP_SIGN_NOPS instead of STRIP_TYPE_NOPS.
7191 (fold, case EQ_EXPR): Call optimize_minmax_comparison and add
7192 cases with ABS_EXPR, NEGATE_EXPR, PLUS_EXPR, MINUS_EXPR, and
7193 widening conversions.
7194 (fold, case LE_EXPR): Rework changing unsigned to signed comparisons
7195 to look at size of mode, not precision of type; also add missing cases.
7196 (optimize_bit_field_compare, decode_field_reference): Don't try to
7197 optimize COMPONENT_REF of a PLACEHOLDER_EXPR.
7199 * dwarf2out.c (ctype.h): Include.
7200 (dwarf2out_set_demangle_name_func): New function.
7201 (size_of_line_info): Deleted.
7202 (output_line_info): Compute size of line info table from difference
7204 (base_type_die, add_name_attribute): Call demangle function, if any.
7205 (field_byte_offset): Use bits per word for variable length fields.
7206 (gen_array_type_die): Add array name.
7207 (gen_subprogram_die): Ignore DECL_INLINE if -fno-inline.
7208 (dwarf2out_add_library_unit_info): New function.
7210 * explow.c (set_stack_check_libfunc): New function.
7211 (stack_check_libfunc): New static variable.
7212 (probe_stack_range): Allow front-end to set up a libfunc to call.
7214 * combine.c (simplify_comparison): When making comparison in wider
7215 mode, check for having commuted an AND and a SUBREG.
7216 (contains_muldiv): New function.
7217 (try_combine): Call it when dividing a PARALLEL.
7218 (simplify_rtx, case TRUNCATE): Don't remove for umulsi3_highpart.
7219 (simplify_comparison, case ASHIFTRT): Recognize sign-extension of
7221 (record_value_for_reg): If TEM is a binary operation with two CLOBBERs,
7222 use one of the CLOBBERs instead.
7223 (if_then_else_cond): If comparing against zero, just return thing
7226 * optabs.c (expand_abs): If machine has MAX, ABS (x) is MAX (x, -x).
7227 Don't generate shifts and subtract if have conditional arithmetic.
7229 * rtl.h (delete_barrier): New declaration.
7230 * jump.c (jump_optimize): Set up to handle conditional call.
7231 In conditional arithmetic case, handle CALL_INSN followed by a BARRIER.
7232 (delete_barrier): New function.
7234 * rtl.c (read_rtx): Call fatal if bad RTL code; check for bad mode.
7236 * recog.c (nonmemory_operand): Accept ADDRESSOF.
7238 * tree.c (build_type_attribute_variant): Push to obstack of
7239 ttype around type_hash_canon call.
7241 * expr.c (placeholder_list): Move decl to file scope.
7242 (expand_expr): Don't force access to volatile just because its
7244 If ignoring reference operations, just expand the operands.
7245 (expand_expr, case COMPONENT_REF): Propagate
7246 EXPAND_CONST_ADDRESS to recursive call when expanding inner.
7247 Refine test for using bitfield operations vs pointer punning.
7248 (expand_expr, case CONVERT_EXPR): If converting to
7249 BLKmode UNION_TYPE from BLKmode, just return inner object.
7250 Use proper mode in store_field call.
7251 Properly set sizes of object to store and total size in store_field
7252 call for convert to union.
7253 (expand_expr, case ARRAY_REF): If OP0 is in a register, put it in
7254 memory (like for ADDR_EXPR). Also, don't put constant in register if
7255 we'll want it in memory.
7256 (readonly_fields_p): New function.
7257 (expand_expr, case INDIRECT_REF): Call it if LHS.
7258 (expand_assignment): Handle a RESULT_DECL where
7259 DECL_RTL is a PARALLEL.
7260 (do_jump, case WITH_RECORD_EXPR): New case.
7261 (get_inner_reference): Always go inside a CONVERT_EXPR
7262 and NOP_EXPR if both modes are the same.
7263 (store_field): Use bitfield operations if size of bitsize is not same
7264 as size of RHS's type.
7265 Check for bitpos not a multiple of alignment in BLKmode case.
7266 Do block move in largest possible alignment.
7267 (store_constructor): Set BITSIZE to -1 for variable size and properly
7268 in case of array of BLKmode.
7269 (expand_expr_unaligned): New function.
7270 (do_compare_and_jump): Call it.
7272 * mips/iris5.h (SWITCHES_NEED_SPACES): New macro.
7273 * collect2.c (main): Only allow -ofoo if SWITCHES_NEED_SPACES
7274 does not include 'o'.
7276 * function.c (instantiate_virtual_regs_1, case SET): Handle case where
7277 both SET_DEST and SET_SRC reference a virtual register.
7278 (gen_mem_addressof): Copy RTX_UNCHANGING_P from new REG to old REG.
7280 * integrate.c (expand_inline_function): Handle case of setting
7281 virtual stack vars register (from built in setjmp); when parameter
7282 lives in memory, expand virtual_{stack_vars,incoming_args}_rtx early.
7283 (subst_constant): Add new parm, MEMONLY.
7284 (expand_inline_function, integrate_parm_decls): Pass new parm.
7285 (integrate_decl_tree): Likewise.
7286 (copy_rtx_and_substitute, case MEM): Do copy RTX_UNCHANGING_P.
7287 (try_constants): Call subst_constants twice, with MEMONLY 0 and 1.
7288 (copy_rtx_and_substitute, case SET): Add explicit calls to
7289 copy_rtx_and_substitute for both sides.
7291 * stmt.c (expand_asm_operands): Don't use TREE_STRING_LENGTH for
7293 (pushcase{,_range}): Convert to NOMINAL_TYPE after checking for
7294 within INDEX_TYPE, instead of before.
7295 (fixup_gotos): Use f->target_rtl, not the next insn,
7296 since latter may be from a later fixup.
7297 (expand_value_return): Correctly convert VAL when promoting function
7298 return; support RETURN_REG being a PARALLEL.
7299 (expand_return): When checking for result in regs and having
7300 cleanup, consider PARALLEL in DECL_RTL as being in regs.
7302 1999-10-28 21:27 -0700 Zack Weinberg <zack@bitmover.com>
7304 * cpplib.h (struct cpp_buffer: fname, nominal_fname,
7305 last_nominal_fname): Mark const.
7306 (struct include_hash: name, nshort, control_macro): Mark
7308 (struct macrodef: symnam): Mark const.
7309 (struct if_stack: fname): Mark const.
7310 (is_idchar, is_idstart, is_hor_space, trigraph_table): Delete.
7311 (IStable): New character-syntax array which encompasses all
7312 the old is_foo arrays.
7313 (is_idchar, is_numchar, is_idstart, is_numstart, is_hspace,
7314 is_space): New macros for interrogating IStable.
7315 (check_macro_name): Kill last argument. All callers changed.
7317 * cppinit.c (initialize_char_syntax): Delete.
7318 (is_idchar, is_idstart, is_hor_space, is_space,
7319 trigraph_table): Delete.
7320 (IStable): New. Initialize with clever macros to avoid
7321 information duplication.
7322 (builtin_array): Table of builtins to get rid of explicit list
7323 in initialize_builtins.
7324 (initialize_builtins): Use builtins_array.
7325 (cpp_start_read): Call init_IStable, and set IStable['$'] if
7326 opts->dollars_in_ident.
7328 * cppexp.c: Change all refs to is_xyz[] arrays to use new
7330 (cpp_parse_expr): Avoid 'format string is not constant'
7331 warning. Use ISGRAPH to identify printable chars.
7332 * cppfiles.c: Change all refs to is_xyz[] arrays to use new
7334 (read_and_prescan): Map trigraphs to chars with open-coded
7335 if-else-if-... sequence, not a lookup table.
7336 * cpphash.c: Change all refs to is_xyz[] arrays to use new
7338 * cpplib.c: Change all refs to is_xyz[] arrays to use new
7339 is_xyz() macros. Kill SKIP_ALL_WHITE_SPACE (unused).
7340 (check_macro_name): Remove ability to report an invalid
7341 assertion name, which is never used.
7342 (do_line): Constify a couple of char *'s.
7343 * cppmain.c (main): Call cpp_cleanup before returning.
7345 Thu Oct 28 21:16:35 1999 Mark Mitchell <mark@codesourcery.com>
7347 * ggc.h (struct ggc_statistics): New type.
7348 (ggc_get_size): New function.
7349 (ggc_print_statistics): Likewise.
7350 * ggc-common.c (ggc_stats): New variable.
7351 (ggc_mark_rtx_children): Keep statistics.
7352 (ggc_mark_tree_children): Likewise.
7353 (ggc_print_statistics): New function.
7354 * ggc-page.c (struct globals): Add bytes_mapped field.
7355 (alloc_anon): Update it.
7356 (release_pages): Likewise.
7357 (ggc_get_size): New function.
7358 (ggc_page_print_statistics): New function.
7359 * ggc-simple.c (ggc_get_size): New function.
7361 Fri Oct 29 06:32:44 1999 Geoffrey Keating <geoffk@cygnus.com>
7363 * flow.c (propagate_block): When the last reference to a label
7364 before an ADDR_VEC is deleted because the reference is a dead
7365 store, delete the ADDR_VEC.
7367 Thu Oct 28 12:28:50 1999 Richard Henderson <rth@cygnus.com>
7369 * resource.c (find_free_register): Don't use the frame pointer
7370 if frame_pointer_needed.
7372 Thu Oct 28 10:02:00 1999 Jim Wilson <wilson@cygnus.com>
7374 * config/mips/mips.c (mips_va_arg): Delete gen_jump as emit_jump arg.
7375 (function_arg_pass_by_reference): Check for a NULL pointer in cum.
7377 * config/i960/i960.c (i960_va_start): New locals base, num.
7378 Use INDIRECT_REF instead of ARRAY_REF on valist.
7379 (i960_va_arg): Use INDIRECT_REF instead of ARRAY_REF on valist.
7381 Thu Oct 28 09:45:48 1999 Mark Mitchell <mark@codesourcery.com>
7383 * gcse.c (delete_null_pointer_checks): Fix typo in previous change.
7385 Thu Oct 28 03:37:50 1999 Peter Gerwinski <peter@gerwinski.de>
7387 * tree.def (PLACEHOLDER_EXPR): Update comments.
7389 Thu Oct 28 06:47:32 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7391 * c-common.c (check_format_info): Avoid non-literal format string
7392 warnings when `first_arg_num' is zero.
7394 Thu Oct 28 12:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
7396 * rtl.texi: Delete explicit Prev, Up and Next entries in "@node"s.
7398 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
7400 * arm.md (casesi_insn): Add a clobber of the condition code
7403 Mon Oct 18 21:16:06 1999 Fred Fish <fnf@be.com>
7405 * tm.texi (CC1PLUS_SPEC): Make it clear in the docs that CC1_SPEC is
7406 used by both cc1 and cc1plus.
7408 Thu Oct 28 10:00:48 1999 Nick Clifton <nickc@cygnus.com>
7410 * config/arm/arm.c: Initialise arm_structure_size_boundary to
7411 DEFAULT_STRUCTURE_SIZE_BOUNDARY.
7412 * config/arm/arm.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY): Define
7413 to the value 32 if it has not already been defined.
7414 * config/arm/netbsd.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY):
7415 Override definition in arm.h with a value of 8.
7417 Thu Oct 28 03:12:02 1999 David Starner <dstarner98@aasaa.ofe.org>
7419 * c-pragma.c (push_alignment): Don't check the return value
7422 Thu Oct 28 03:08:38 1999 Matteo Frigo <athena@fftw.org>
7424 * sparc.h (ADJUST_COST): Fix thinko.
7426 Thu Oct 28 02:44:03 1999 Glen Nakamura <glen.nakamura@usa.net>
7428 * cccp.c (rescan): Fixed obp pointer handling around call to
7429 check_expand subroutine.
7431 Thu Oct 28 02:15:22 1999 Jeffrey A Law (law@cygnus.com)
7433 * gcse.c (delete_null_pointer_checks): Only record non-null info
7434 for pseudos when examining stores.
7436 * arm.md (adddi3, adddi_sesidi_di, adddi_sesidi_di): Add
7437 splitters for these patterns. Use "#" for output templates.
7438 (addsi3_carryin_shift): New pattern.
7440 Thu Oct 28 10:20:02 1999 Geoffrey Keating <geoffk@cygnus.com>
7442 * config/rs6000/rs6000.md (movsf): Don't convert a SUBREG
7443 of the function return register into a plain REG until
7444 after function inlining is done.
7446 Wed Oct 27 15:21:46 1999 Richard Henderson <rth@cygnus.com>
7448 * jump.c (jump_optimize_1): If we did cross-jumping, and
7449 the data will matter, rebuild the CFG.
7450 * reg-stack.c (reg_to_stack): Only (re)build the CFG if
7451 not optimizing. Don't run shorten_branches.
7452 * toplev.c (rest_of_compilation): Run shorten_branches after
7455 Wed Oct 27 12:33:40 1999 Mark Mitchell <mark@codesourcery.com>
7457 * rtl.h (note_stores): Add additional paramter.
7458 * rtlanal.c (reg_set_p_1): Take additional paramter.
7459 (reg_set_last_1): Likewise.
7460 (reg_set_p): Adjust call to note_stores.
7461 (reg_set_last): Likewise.
7462 (note_stores): Pass data parameter to worker function.
7463 * alias.c (record_set): Take additional parameter.
7464 (init_alias_analysis): Pass it.
7465 * caller-save.c (mark_set_regs): Take additional parameter.
7466 (save_call_clobbered_regs): Pass NULL to note_stores.
7467 * combine.c (set_nonzero_bits_and_sign_copies): Take additional
7469 (record_dead_and_set_regs_1): Likewise.
7470 (reg_dead_at_p_1): Likewise.
7471 (combine_instructions): Adjust calls to note_stores.
7472 (try_combine): Likewise.
7473 (record_dead_insn): Remove.
7474 (record_dead_and_set_regs): Adjust calls to note_stores.
7475 (reg_dead_at_p): Likewise.
7476 * cse.c (invalidate_skipped_set): Take additional parameter.
7477 (cse_check_loop_start): Likewise.
7478 (cse_check_loop_start_value): Remove.
7479 (cse_set_around_loop): Adjust calls to note_stores.
7480 * flow.c (notice_stack_pointer_modification): Take additional
7481 parameter. Remove duplicate declaration.
7482 (record_volatile_insns): Adjust calls to note_stores.
7483 * gcse.c (record_set_info): Take additional parameter.
7484 (record_last_set_info): Likewise.
7485 (invalidate_nonnull_info): Likewise.
7486 (record_set_insn): Remove.
7487 (compute_sets): Adjust calls to note_stores.
7488 (last_set_insn): Remove.
7489 (compute_hash_table): Adjust calls to note_stores.
7490 (insert_insn_end_bb): Likewise.
7491 (delete_null_pointer_checks): Likewise.
7492 * global.c (mark_reg_store): Take additional parameter.
7493 (mark_reg_clobber): Likewise.
7494 (reg_becomes_live): Likewise.
7495 (global_conflicts): Adjust calls to note_stores.
7496 (build_insn_chain): Likewise.
7497 * integrate.c (note_modified_parmregs): Take additional parameter.
7498 (mark_stores): Likewise. Make it static.
7499 (save_for_inline_nocopy): Adjust calls to note_stores.
7500 (try_constants): Likewise.
7501 * integrate.h (mark_stores): Remove declaration.
7502 * jump.c (mark_modified_reg): Take additional parameter.
7503 (thread_jumps): Adjust calls to note_stores.
7504 * local-alloc.c (validate_equiv_mem_from_store): Take additional
7506 (no_equiv): Likewise.
7507 (reg_is_set): Likewise.
7508 (validate_equiv_mem): Adjust calls to note_stores.
7509 (update_equiv_regs): Likewise.
7510 (block_alloc): Likewise.
7511 * loop.c (note_set_pseudo_multiple_uses_retval): Remove.
7512 (note_addr_stored): Take additional parameter.
7513 (note_set_pseudo_multiple_uses): Likewise.
7514 (record_initial): Likewise.
7515 (prescan_loop): Adjust calls to note_stores.
7516 (strength_reduce): Likewise.
7517 (check_dbra_loop): Likewise.
7518 * regmove.c (flags_set_1): Take additional paramter.
7519 (mark_flags_life_zones): Adjust calls to note_stores.
7520 * reload1.c (mark_not_eliminable): Take additional parameter.
7521 (forget_old_reloads_1): Likewise.
7522 (reload_cse_invalidate_rtx): Likewise.
7523 (reload_cse_check_clobber): Likewise.
7524 (reload_combine_note_store): Likewise.
7525 (move2add_note_store): Likewise.
7526 (reload): Adjust calls to note_stores.
7527 (reload_as_needed): Likewise.
7528 (emit_reload_insns): Likewise.
7529 (reload_cse_regs_1): Likewise.
7530 (reload_cse_record_set): Adjust calls to reload_cse_invalidate_rtx.
7531 (reload_combine): Adjust calls to note_stores.
7532 * resource.c (update_live_status): Take additional paramter.
7533 (mark_target_live_regs): Adjust calls to note_stores.
7534 * stupid.c (find_clobbered_regs): Take additional parameter.
7535 (stupid_life_analysis): Adjust calls to note_stores.
7537 Wed Oct 27 19:26:12 1999 Nick Clifton <nickc@cygnus.com>
7539 * config/arm/coff.h (STRUCTURE_SIZE_BOUNDARY): Delete
7542 * config/arm/elf.h (STRUCTURE_SIZE_BOUNDARY): Delete
7545 * config/arm/arm.h (STRUCTURE_SIZE_BOUNDARY): Define in terms
7546 of the variable arm_structure_size_boundary.
7548 Wed Oct 27 02:05:58 1999 Mark P. Mitchell <mark@codesourcery.com>
7550 * alias.c (init_alias_analysis): Allocate reg_known_value and
7551 reg_known_equiv_p on the heap. Likewise for new_reg_base_value
7553 (end_alias_analysis): Free reg_known_value and reg_known_equiv_p.
7554 * cse.c (cse_main): Call end_alias_analysis.
7555 * haifa-sched.c (schedule_insns): Likewise.
7556 * local-alloc. (update_equiv_regs): Likewise.
7557 * reload1.c (reload_cse_regs): Likewise.
7559 Wed Oct 27 01:49:17 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7561 * sparc/sparc.c (sparc_override_options): Clear MASK_FPU_SET.
7562 * sparc/sparc.h (TARGET_SWITCHES): Add "fpu" entry for reverse
7563 mapping from MASK_FPU.
7565 Wed Oct 27 01:42:26 1999 Scott Christley <scottc@net-community.com>
7567 * sparc.md (call): Don't bound structure return size to 0xfff.
7569 Wed Oct 27 00:56:59 1999 Richard Henderson <rth@cygnus.com>
7571 * resource.c (mark_target_live_regs): Check that the target
7572 insn wasn't created after compute_bb_for_insn.
7574 Tue Oct 26 23:15:03 1999 Mark Mitchell <mark@codesourcery.com>
7576 * ggc-page.c (poison_pages): Don't be overzealous.
7578 Tue Oct 26 23:29:18 1999 Jeffrey A Law (law@cygnus.com)
7580 * alias.c: Update comments for ADDRESS.
7581 (nonlocal_reference_p): Look inside the ADDRESS to determine if
7582 it is a local memory reference.
7584 * c-typeck.c (build_function_call): Check that the built-in
7585 function is of class BUILT_IN_NORMAL before trying to recongize
7587 * calls.c (calls_function_1): Similarly for BUILT_IN_ALLOCA.
7588 * stmt.c (expand_end_cae): Similarly for BUILT_IN_CLASSIFY_TYPE.
7590 Wed Oct 27 00:14:13 1999 Robert Lipe <robertlipe@usa.net>
7592 * gcse.c (expr_reaches_here_p): Use xcalloc and explit free instead
7594 (pre_gcse): Likewise.
7595 (hoist_expr_reaches_here_p): Likewise.
7596 (hoist_code): Likewise.
7597 (pre_expr_reaches_here_p): Replace alloca with xcalloc. Move core
7599 (pre_expr_reaches_here_p_work): ... here.
7600 (expr_reaches_here_p): Replace alloca with xcalloc. Move core
7602 (expr_reaches_here_p_work): ... here.
7604 Tue Oct 26 20:42:45 1999 Richard Henderson <rth@cygnus.com>
7606 * resource.c (find_basic_block): Delete.
7607 (mark_target_live_regs, incr_ticks_for_insn): Use BLOCK_NUM instead.
7608 (init_resource_info): Call compute_bb_for_insn.
7610 Tue Oct 26 20:21:02 1999 Richard Henderson <rth@cygnus.com>
7612 * flow.c (merge_blocks_move_predecessor_nojumps): Cope
7613 with already adjacent blocks, but no fallthru.
7614 (merge_blocks_move_successor_nojumps): Simplify.
7615 (debug_flow_info): New.
7617 * toplev.c (rest_of_compilation): Open jump1 dump file before
7618 jump and close after, as opposed to just using dump_rtl.
7620 Wed Oct 27 03:09:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
7622 * reload.h (earlyclobber_operand_p): Declare.
7623 * reload.c (earlyclobber_operand_p): Don't declare. No longer static.
7624 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
7625 an earlyclobbered output conflict with RELOAD_INPUT reloads - handle
7626 case where the RELOAD_OTHER reload is new. Use earlyclobber_operand_p.
7628 Tue Oct 26 18:23:38 1999 Jan Hubicka <hubicka@freesoft.cz>
7629 Richard Henderson <rth@cygnus.com>
7631 * emit-rtl.c (emit_block_insn_before): New.
7632 (emit_block_insn_after): New.
7633 * basic-block.h: Declare them.
7635 * bitmap.h: Protect from multiple inclusion.
7637 * recog.c (scratch_operand): Handle VOIDmode correctly.
7639 * rtl.h (JUMP_CROSS_JUMP_DEATH_MATTERS): New.
7641 * builtins.c (expand_builtin_apply_args_1): Remove STACK_REGS hack.
7642 * function.c (assign_parms): Likewise.
7643 * global.c (global_conflicts): Clarify STACK_REGS commentary.
7645 * reg-stack.c (max_uid): Remove.
7646 (blocks, block_begin, block_end, block_drops_in): Remove.
7647 (block_stack_in, block_out_reg_set, block_number): Remove.
7648 (struct block_info_def, BLOCK_INFO): New.
7649 (enum emit_where): New.
7650 (current_block): New.
7651 (BLOCK_NUM): Remove.
7652 (mark_regs_pat, record_label_references): Remove.
7653 (record_reg_life_pat, record_reg_life, find_blocks): Remove.
7655 (goto_block_pat, print_blocks, dump_stack_info): Remove.
7656 (reg_to_stack): Simplified test for existance of fp code. Use
7657 flow.c code. Call shorten_branches after cross-jump opt.
7658 (check_asm_stack_operands): Renamed from record_asm_reg_life.
7659 Return false if the asm doesn't use stack regs. Don't do life
7660 analysis on the asm.
7661 (emit_pop_insn): Replace function pointer arg `when' with
7662 enum `where'. Update all callers.
7663 (change_stack): Likewise. Update basic block end.
7664 (emit_swap_insn): Use current_block->head to limit reverse search
7665 for start of block. Use emit_block_insn_after.
7666 (subst_stack_regs_pat): Handle USE and CLOBBER patterns.
7667 (subst_asm_stack_regs): Use check_asm_stack_operands. Use direct
7668 structure assignment instead of bcopy.
7670 (convert_regs_entry, convert_regs_exit): New.
7671 (convert_regs_1, convert_regs_2): Split out from convert_regs.
7672 Work on basic blocks and the CFG.
7673 (convert_regs): Use them.
7675 * i386.c (output_fix_trunc): Remove code for DImode input operand
7676 not at top-of-stack.
7677 * i386.c (fix_truncdfdi2, fix_truncsfdi2): Use scratch with
7679 (fix_truncdi_1): Allow any mode scratch.
7681 Tue Oct 26 13:30:35 1999 Richard Henderson <rth@cygnus.com>
7683 * alpha.h (TARGET_MEM_FUNCTIONS): Define here.
7684 * linux.h, netbsd.h, vms.h: Not here.
7686 1999-10-26 Gavin Romig-Koch <gavin@cygnus.com>
7688 * config/mips/mips.h (ISA_HAS_64BIT_REGS,ISA_HAS_BRANCHLIKELY,
7689 ISA_HAS_FP4,ISA_HAS_CONDMOVE): New.
7690 (GENERATE_BRANCHLIKELY,HAVE_SQRT_P,
7691 CONDITIONAL_REGISTER_USEAGE): Use them.
7692 * config/mips/mips.c (mips_move_1word,mips_move_2words,
7693 gen_conditional_branch,override_options) : Use them.
7694 * config/mips/mips.md : Use them.
7696 Tue Oct 26 13:09:23 1999 Richard Henderson <rth@cygnus.com>
7698 * i386.md (zero_extendqihi2): Use SImode register name with andl.
7700 Tue Oct 26 12:35:38 1999 Richard Henderson <rth@cygnus.com>
7702 * integrate.c (function_cannot_inline_p): Don't allow inlining
7705 Tue Oct 26 14:10:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7707 * c-parse.in (cast_expr): Constify.
7709 * cccp.c (special_symbol): Likewise.
7711 * cse.c (hash_cse_reg_info, cse_reg_info_equal_p): Likewise.
7713 * dwarf2out.c (base_type_die): Likewise.
7715 * global.c (allocno_compare): Likewise.
7717 * local-alloc.c (qty_compare_1, qty_sugg_compare_1): Likewise.
7719 * regclass.c (fix_register): Likewise.
7721 * rtl.h (fix_register): Likewise.
7723 * stupid.c (stupid_reg_compare): Likewise.
7725 * toplev.c (decode_f_option): Likewise.
7727 * tree.c (build_complex_type): Likewise.
7729 Tue Oct 26 18:35:25 1999 Richard Earnshaw <rearnsha@arm.com>
7731 * output.h: Don't unnecessarily conditionalize prototypes on TREE_CODE.
7733 Tue Oct 26 15:42:56 1999 Bernd Schmidt <bernds@cygnus.co.uk>
7735 * reload.c (find_reloads): Compute mode and nregs fields of all
7737 * reload1.c (calculate_needs_all_insns): Simplify a bit.
7738 (calculate_needs): Use precomputed mode/nregs values.
7739 (allocate_reload_reg): Likewise.
7741 (failed_reload, set_reload_reg): ... new functions.
7742 (choose_reload_regs_init): New function, mostly broken out from...
7743 (choose_reload_regs): ... here. Lose all the save_xxx nonsense.
7744 Also lose one #if 0 block.
7746 Tue Oct 26 02:48:32 1999 Marc Espie <espie@cvs.openbsd.org>
7748 * Makefile.in (AR_FOR_TARGET, RANLIB_FOR_TARGET): Fix target name
7751 Tue Oct 26 01:27:32 1999 Mark Mitchell <mark@codesourcery.com>
7753 * tree.h (BLOCK_TYPE_TAGS): Remove.
7754 (BLOCK_END_NOTE): Likewise.
7755 (BLOCK_LIVE_RANGE_FLAG): Likewise.
7756 (BLOCK_LIVE_RANGE_START): Likewise.
7757 (BLOCK_LIVE_RANGE_END): Likewise.
7758 (tree_block): Remove live_range_flag, live_range_var_flag, and
7759 type_tags. Remove end_note, live_range_start, and live_range_end.
7760 (remember_end_note): Remove prototype.
7761 * tree.c (build_block): Don't set BLOCK_TYPE_TAGS.
7762 * c-decl.c (poplevel): Don't set BLOCK_TYPE_TAGS or call
7764 * ggc-common.c (ggc_mark_tree_children): Don't mark
7765 BLOCK_TYPE_TAGS or BLOCK_END_NOTE.
7766 * integrate.c (adjust_copied_decl_tree): Remove.
7767 * print-tree.c (print_node): Don't print BLOCK_TYPE_TAGS.
7768 * stmt.c (last_block_end_note): Remove.
7769 (init_stmt): Don't add a GC root for it.
7770 (expand_fixup): Don't set it.
7771 (remember_end_note): Remove.
7772 (expand_end_bindings): Don't set last_block_end_note.
7774 Tue Oct 26 00:41:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
7776 * reload1.c (reload_reg_free_for_value_p): Show
7777 RELOAD_FOR_OTHER_ADDRESS reloads can conflict with RELOAD_OTHER
7780 Mon Oct 25 23:54:45 1999 Geoff Keating <geoffk@cygnus.com>
7782 * expmed.c (extract_bit_field): Allow for the case of non-integer
7783 objects that are smaller than a word (like SFmode on a 64-bit
7786 * loop.c (basic_induction_var): A non-integer variable which is
7787 being set by a paradoxical subreg is probably not a biv.
7789 1999-10-25 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7791 * prefix.c (translate_name) Check for empty prefix string.
7793 Mon Oct 25 23:10:45 1999 Andreas Schwab <schwab@suse.de>
7795 * Makefile.in (CPP_CROSS_NAME): New variable.
7796 (install-cpp): Use it instead of CPP_INSTALL_NAME for the cross
7798 (uninstall-cpp): Use CPP_INSTALL_NAME and CPP_CROSS_NAME for the
7799 names of the files to be uninstalled.
7801 Mon Oct 25 23:03:09 1999 Jeffrey A Law (law@cygnus.com)
7803 * collect2.c (IS_DIR_SEPARATOR): Define.
7804 (prefix_from_string): Use IS_DIR_SEPARATOR and DIR_SEPARATOR.
7806 * som.h (ASM_DECLARE_FUNCTION_NAME): Set PRIV_LEV for static
7809 * haifa-sched.c (add_dependence): Update the true dependency
7810 cache the first time we add a true dependence to the LOG_LINKS chain.
7812 Mon Oct 25 22:27:40 1999 Jim Kingdon <http://developer.redhat.com/>
7814 * fold-const.c (fold): Fix comment.
7816 Mon Oct 25 22:49:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7818 * dbxout.c (lastfile, cwd, dbxout_type_method_1,
7819 dbxout_symbol_location, dbxout_symbol_name, dbxout_init,
7820 dbxout_start_new_source_file, dbxout_source_file,
7821 dbxout_source_line, dbxout_finish, dbxout_type_fields,
7822 dbxout_type_methods, dbxout_symbol, dbxout_prepare_symbol):
7824 (dbxout_types, dbxout_args, dbxout_symbol): Delete prototypes.
7825 (dbxout_symbol): Mark parameter `local' with ATTRIBUTE_UNUSED.
7826 (dbxout_block): Initialize variable `blocknum'.
7828 * dbxout.h (dbxout_init, dbxout_finish,
7829 dbxout_start_new_source_file, dbxout_source_file, dbxout_types,
7830 dbxout_args, dbxout_source_line): Constify a char*.
7832 * dwarfout.c (dwarf_tag_name, dwarf_attr_name,
7833 dwarf_stack_op_name, dwarf_typemod_name, dwarf_fmt_byte_name,
7834 dwarf_fund_type_name, name_attribute, stmt_list_attribute,
7835 low_pc_attribute, high_pc_attribute, body_begin_attribute,
7836 body_end_attribute, comp_dir_attribute, sf_names_attribute,
7837 src_info_attribute, mac_info_attribute, producer_attribute,
7838 lookup_filename, generate_macinfo_entry, fundamental_type_code,
7839 dwarfout_line, dwarfout_start_new_source_file, dwarfout_define,
7840 dwarfout_undef): Constify a char*.
7841 (add_incomplete_type, retry_incomplete_types): Add prototypes.
7843 * dwarfout.h (dwarfout_define, dwarfout_undef,
7844 dwarfout_start_new_source_file, dwarfout_line): Constify a char*.
7846 1999-10-25 Gavin Romig-Koch <gavin@cygnus.com>
7848 * config/mips/mips.h (MIPS_ISA_DEFAULT): Insure it's defined.
7849 (MULTILIB_ISA_DEFAULT): New.
7850 (MULTILIB_DEFAULTS): Use it.
7851 * config/mips/mips.c (): Remove the now unnecessary definition
7852 of MIPS_ISA_DEFAULT.
7853 * config/mips/elf64.h (MULTILIB_DEFAULTS): Remove the now
7854 unnecessary definition.
7856 Mon Oct 25 22:08:35 1999 Richard Earnshaw (rearnsha@arm.com)
7858 * arm.md (pic_load_addr): Add constraints to operand 1.
7860 1999-10-25 Bruce Korb <autogen@linuxbox.com>
7862 * fixinc/genfixes: Provide a means for specifying -D options to
7865 Mon Oct 25 00:42:35 1999 Jeffrey A Law (law@cygnus.com)
7867 * arm.c (arm_override_options): Correct initialization of
7868 arm_fast_multiply, arm_arch4, arm_arch5, arm_ld_sched,
7869 arm_is_strong, and arm_is_6_or_7.
7871 * loop.c (note_set_pseudo_multiple_uses_retval): New variable.
7872 (note_set_pseudo_multiple_uses): New function.
7873 (check_dbra_loop): Use not_set_pseudo_multiple_uses to determine
7874 if a pseudo set in the loop exit is used elsewhere.
7876 Sun Oct 24 20:52:40 1999 Mark Mitchell <mark@codesourcery.com>
7878 * i386.md (mulsi3): Tweak to work with SCO OSR5 COFF assembler.
7880 Sun Oct 24 21:02:46 1999 Richard Henderson <rth@cygnus.com>
7882 * i386.md (*lea_0): Collapse addsi_0, addsi_lea_[123] into
7883 a single load-address pattern.
7885 Sun Oct 24 19:33:24 1999 Mark P. Mitchell <mark@codesourcery.com>
7887 * haifa-sched.c (schedule_insns): Don't assign LUIDs differently
7888 depending on whether or not line-number notes are present.
7890 Sun Oct 24 20:29:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7892 * cccp.c (progname, file_buf, default_include, include_file,
7893 macrodef, definition, hashval, wchar_type, user_label_prefix,
7894 directive, out_fname, if_stack, safe_write, index0, get_lintcmd,
7895 expand_to_temp_buffer, is_system_include, base_name,
7896 absolute_filename, read_name_map, open_include_file,
7897 record_control_macro, check_precompiled, check_preconditions,
7898 pcfinclude, pass_thru_directive, create_definition,
7899 check_macro_name, comp_def_part, collect_expansion,
7900 check_assertion, read_token_list, assertion_install,
7901 assertion_lookup, eval_if_expression, conditional_skip,
7902 validate_else, skip_quoted_string, quote_string, macarg1,
7903 error_from_errno, install, lookup, hashf, dump_defn_1,
7904 perror_with_name, pfatal_with_name, main, trigraph_pcp,
7905 check_white_space, rescan, handle_directive, monthnames,
7906 special_symbol, do_include, remap_include_file, write_output,
7907 arglist, do_assert, do_unassert, do_line, do_error, do_once,
7908 do_ident, do_sccs, do_xifdef, skip_if_group,
7909 output_line_directive, macroexpand, macarg, change_newlines,
7910 initialize_builtins, make_definition): Constify a char*.
7912 * pcp.h (stringdef): Likewise.
7914 Sun Oct 24 13:29:28 1999 Richard Henderson <rth@cygnus.com>
7916 * unroll.c (copy_loop_body): Examine SET_DEST of single_set
7919 Sun Oct 24 13:14:20 1999 Graham <grahams@rcp.co.uk>
7920 Richard Henderson <rth@cygnus.com>
7922 * alias.c: Include ggc.h.
7923 (reg_base_value, new_reg_base_value, reg_base_value_size): Make static.
7924 (record_set): Verify enough room in reg_base_value.
7925 (init_alias_analysis): Allocate reg_base_value with xcalloc.
7926 Register it as a GC root.
7927 (end_alias_analysis): Free reg_base_value. Remove it as a GC root.
7928 * Makefile.in (alias.o): Depend on ggc.h.
7930 * unroll.c (unroll_loop): Verify the insn before a barrier
7931 is a JUMP_INSN before checking JUMP_LABEL.
7933 Sun Oct 24 15:46:44 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7935 * mips/bsd-5.h (ASM_OUTPUT_ASCII): Constify a char*.
7936 * mips/iris4.h (ASM_OUTPUT_ASCII): Likewise.
7937 * mips/mips-5.h (ASM_OUTPUT_ASCII): Likewise.
7938 * mips/mips.h (ASM_OUTPUT_ASCII): Likewise.
7939 * mips/svr3-5.h (ASM_OUTPUT_ASCII): Likewise.
7940 * mips/svr4-5.h (ASM_OUTPUT_ASCII): Likewise.
7942 Sun Oct 24 15:35:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7944 * output.h (ctors_section, dtors_section, bss_section): Prototype.
7946 * alpha/alpha-interix.h (text_section): Delete prototype.
7947 * alpha/elf.h (text_section): Likewise.
7948 * arm/linux-elf.h (text_section): Likewise.
7949 * arm/linux-telf.h (text_section): Likewise.
7950 * c4x/c4x.h (text_section): Likewise.
7951 * dsp16xx/dsp16xx.h (bss_section): Likewise.
7952 * elfos.h (text_section): Likewise.
7953 * i386/aix386ng.h (text_section): Likewise.
7954 * i386/i386-interix.h (text_section): Likewise.
7955 * i386/sco5.h (text_section): Likewise.
7956 * i386/svr3gas.h (text_section): Likewise.
7957 * nextstep.h (text_section): Likewise.
7958 * psos.h (text_section): Likewise.
7959 * ptx4.h (text_section): Likewise.
7960 * svr3.h (text_section): Likewise.
7961 * svr4.h (text_section, ctors_section, dtors_section): Likewise.
7963 Sun Oct 24 15:20:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7965 * final.c (peephole): Delete prototype.
7967 * gcse.c (process_insert_insn, pre_edge_insert): Add prototypes.
7968 (pre_insert_copies): Remove unused variable `bb'.
7970 * genrecog.c (debug_decision_0, debug_decision_list, main): Add
7973 * output.h (peephole): Add prototype.
7975 Sun Oct 24 11:35:30 1999 Mark P. Mitchell <mark@codesourcery.com>
7977 * config/mips/iris6.h (SUBTARGET_ASM_OPTIMIZING_SPEC): Define to
7980 Sat Oct 23 21:13:00 1999 Mark Mitchell <mark@codesourcery.com>
7982 * integrate.c (integrate_decl_tree): Tweak setting of DECL_CONTEXT
7983 for inlined declarations.
7985 Fri Oct 22 18:05:43 1999 Jeffrey A Law (law@cygnus.com)
7987 * arm.c (logical_binary_operator): New fucntion.
7988 * arm.h (logical_binary_operator): Declare it.
7989 (PREDICATE_CODES): Handle logical_binary_operator.
7990 * arm.md (anddi3, anddi_zesidi_di, anddi_sesdi_di): Use "#" for
7991 output constraints. Add appropriate splitters.
7992 (anddi_notdi_di, anddi_notzesidi_di, anddi_notsesidi_di): Likewise.
7993 (iordi3, iordi_zesidi_di, iordi_sesidi_di): Likewise.
7994 (xordi3, xordi_zesidi_di, xordi_sesidi_di): Likewise.
7996 Fri Oct 22 23:46:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
7998 * genoutput.c (struct operand_data): New elt eliminable.
7999 (output_operand_data): Write it.
8000 (scan_operands): Set it for MATCH_OPERAND, clear for other matchers.
8001 (compare_operands): Take it into account.
8002 * recog.h (struct insn_operand_data): New elt eliminable.
8003 * reload1.c (check_eliminable_occurrences, elimination_effects): New
8005 (old_asm_operands_vec, new_asm_operands_vec): Delete.
8006 (eliminate_regs): Move code that detects changes to elimination
8007 target regs into new function elimination_effects.
8008 Delete one #if 0 block.
8009 Abort for USE, CLOBBER, ASM_OPERANDS and SET.
8010 (eliminate_regs_in_insn): Return immediately for USEs, CLOBBERs,
8011 ADDR_VECs, ADDR_DIFF_VECs and ASM_INPUTs.
8012 Only call eliminate_regs for real operands of the insn, not for parts
8013 of its structure or parts matched by things like match_operator.
8014 Use elimination_effects and check_eliminable_occurrences. Use
8015 copy_insn to duplicate the pattern when not in the final pass.
8017 Fri Oct 22 09:03:44 1999 Mark Mitchell <mark@codesourcery.com>
8019 * i386.md: Add missing `y' modifiers to uses of fst, fstp, fld,
8022 1999-10-22 Bruce Korb <autogen@linuxbox.com>
8024 * fixinc/README: document the "mach" machine matching test
8025 * fixinc/fixfixes.c: Implement the #else/#endif label fix
8026 * fixinc/fixtests.c: Implement the #else/#endif label test
8027 * fixinc/inclhack.def: utilize these tests and fixes
8028 * fixinc/inclhack.sh: regen
8029 * fixinc/fixincl.x: regen
8030 * fixinc/fixincl.sh: regen
8032 Thu Oct 21 20:37:19 1999 Jeffrey A Law (law@cygnus.com)
8034 * Makefile.in (cse.o): Depend on hashtab.h, not splay-tree.h. Also
8037 Thu Oct 21 20:30:19 1999 Matthias Klose <doko@debian.org>
8039 * gcc.1: Document exit codes.
8041 Thu Oct 21 12:49:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8043 * calls.c: Include tm_p.h later, so everything we need is defined.
8045 * function.c: Likewise.
8047 * except.c: Include tm_p.h.
8049 * sparc.c: Likewise.
8050 (dwarf2out_cfi_label): Don't prototype.
8051 (check_return_regs, epilogue_renumber,
8052 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
8053 ultra_find_type, ultra_build_types_avail, ultra_flush_pipeline,
8054 ultra_rescan_pipeline_state, set_extends, ultra_code_from_mask,
8055 ultra_schedule_insn): Add static prototype.
8056 (data_segment_operand, text_segment_operand): Call itself with the
8057 proper number of arguments.
8058 (sparc_flat_save_restore, sparc_v8plus_shift): Constify a char*.
8060 * sparc.h: Move all declarations to sparc-protos.h.
8061 (SELECT_RTX_SECTION): Pass a missing MODE argument to
8064 * sparc/sysv4.h (SELECT_RTX_SECTION): Likewise.
8066 * config/svr4.h (text_section, ctors_section, dtors_section): Add
8068 (ASM_OUTPUT_SECTION_NAME, UNIQUE_SECTION,
8069 ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
8070 ASM_OUTPUT_ASCII): Constify a char*.
8072 * sparc-protos.h: New file for sparc prototypes.
8074 Thu Oct 21 12:23:40 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8076 * function.c (record_insns, contains): Always declare and define.
8077 (record_insns): Mark with ATTRIBUTE_UNUSED.
8079 Thu Oct 21 13:03:49 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
8081 * config/arm/telf.h (ASM_OUTPUT_SECTION_NAME): Add %nobits option
8082 to .section when outputting a .bss section to deal with multiple
8083 .bss input sections (as happens with -fdata-sections)
8084 Also output %progbits, not @progbits so the assembler doesn't treat as
8086 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Likewise
8088 * config/arm/lib1funcs.asm (_call_via_rX): Allow compilation of
8089 thumb parts even when building with non-thumb CPUs, by forcing
8092 Wed Oct 20 22:57:58 1999 Jeffrey A Law (law@cygnus.com)
8094 * sparc.md (movsf_const_intreg): If splitting, length must be > 1.
8095 (movdf_const_intreg_sp64): Similarly.
8097 * local-alloc.c (update_equiv_regs): Check the correct insn
8098 for pre-existing REG_EQUIV notes.
8100 Wed Oct 20 20:41:46 1999 Mark Mitchell <mark@codesourcery.com>
8102 * cse.c (cse_end_of_basic_block): Don't return the end of a basic
8103 block reached by a branch if we're not going to actually process
8106 Wed Oct 20 15:18:42 1999 Jim Wilson <wilson@cygnus.com>
8108 * integrate.c (integrate_decl_tree): Set DECL_CONTEXT to 0 if this is
8109 a local extern function declaration.
8111 Wed Oct 20 13:56:01 1999 Richard Henderson <rth@cygnus.com>
8113 * i386.c (ix86_expand_prologue): Properly wrap USE around
8114 reg for CALL_INSN_FUNCTION_USAGE.
8116 Thu Oct 14 18:51:37 1999 Andrew Haley <aph@cygnus.com>
8118 * config/mips/mips.md (movdf_internal1a): Allow floating-point
8119 move between GP_REGs.
8121 Wed Oct 20 15:36:11 1999 Andrew Haley <aph@cygnus.com>
8123 * config/arm/thumb.h (GO_IF_LEGITIMATE_ADDRESS): Take account of
8124 the mode size when finding out if an offset is legal.
8126 Wed Oct 20 06:26:58 1999 Richard Henderson <rth@cygnus.com>
8128 * basic-block.h (PROP_*): Move constants from ...
8130 (compute_bb_for_insn): Free the array before reallocating.
8131 (update_life_info): New arg PROP_FLAGS; pass on to propagate_block.
8132 (allocate_reg_life_data): Reset all reg variables collected by
8134 (get_block_head_tail): Don't convert from bb to block.
8135 (get_bb_head_tail): New. Update all callers of get_block_head_tail.
8136 (find_insn_reg_weight): Take block not bb.
8137 (schedule_block): Don't set block num for moved insns.
8138 (schedule_region): Don't update_life_info or find_insn_reg_weight.
8139 (schedule_insns): Do it here instead.
8140 * combine.c (combine_instructions): Invoke compute_bb_for_insn
8141 before update_life_info.
8142 * recog.c (split_all_insns, peephole2_optimize): Update for
8143 new arg to update_life_info.
8144 * rtlanal.c (remove_note): Cope with NULL note.
8145 * toplev.c (rest_of_compilation): Don't invoke recompute_reg_usage
8148 Wed Oct 20 10:46:41 1999 Richard Earnshaw (rearnsha@arm.com)
8150 * jump.c (jump_optimize_1): More accurately detect casesi insns.
8152 * flow.c (merge_blocks_move_predecessor_nojumps): Re-order the basic
8153 block records so that merge_blocks_nomove will clean up correctly.
8154 (split_edge): Handle casesi insns.
8156 * gcc-page.c: Try MAP_ANON if we don't have MAP_ANONYMOUS.
8158 Tue Oct 19 23:43:50 1999 Jeffrey A Law (law@cygnus.com)
8160 * pa.md (call, call_value): Do not emit a blockage after restoring
8163 Tue Oct 19 17:22:39 1999 Mark Mitchell <mark@codesourcery.com>
8165 * c-typeck.c (c_expand_asm_operands): Fix typo.
8167 Tue Oct 19 18:42:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8169 * arm.c (fpu_rhs_operand): Verify modes.
8170 (fpu_add_operand): Likewise.
8171 (di_operand): Likewise.
8172 (soft_df_operand): Likewise.
8174 Tue Oct 19 15:26:11 1999 Richard Earnshaw (rearnsha@arm.com)
8176 * arm.c (arm_return_in_memory): APCS rules state that the elements
8177 of a structure returned in a register must be 'integer-like'.
8179 1999-10-19 Bruce Korb <autogen@linuxbox.com>
8181 * fixinc/Makefile.in: Change the generation rules to run `genfixes'
8182 in the source tree when the generated targets are out of date
8183 * fixinc/genfixes: Alter it to run individual fixes for make.
8184 * fixinc/README: rewrite
8185 * fixinc/inclhack.def: moved initial comments to README
8187 Tue Oct 19 14:01:34 1999 Nick Clifton <nickc@cygnus.com>
8189 * toplev.c (main): Do not generate an error message if an
8190 unrecognised command line switch is recognisable by another
8191 language. If extra_warnings are enabled, then generate a
8192 warning message instead.
8194 Tue Oct 19 11:41:12 1999 Mumit Khan <khan@xraylith.wisc.edu>
8196 * c-pragma.h (PRAGMA_INSERT_ATTRIBUTES): Delete macro.
8197 (insert_pack_attributes): Delete prototype.
8199 * c-pragma.c (default_alignment): New static variable.
8200 (push_alignment): Initialize to current effective alignment.
8201 (pop_alignment): Use to set new alignment.
8202 (insert_pack_attributes): Delete function.
8203 (handle_pragma_token): Set default_alignment as well each time
8204 a #pragma pack(<n>) is encountered.
8206 Tue Oct 19 02:03:00 1999 Jeffrey A Law (law@cygnus.com)
8208 * reg-stack.c (stack_result): Aggregates are not returned in
8211 Tue Oct 19 01:26:48 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
8213 * fold-const.c (fold): Fix thinko in x+(-0) -> x transformation.
8215 Mon Oct 18 15:19:41 1999 Richard Henderson <rth@cygnus.com>
8217 * basic-block.h (set_block_num): Declare.
8218 * flow.c (update_life_info): Don't call compute_bb_for_insn
8219 or free_basic_block_vars.
8220 * haifa-sched.c (remove_dependence): Conditionalize on HAVE_cc0.
8221 (insn_orig_block): Remove.
8222 (INSN_BLOCK): Remove. Update all callers to use BLOCK_NUM.
8223 (schedule_block): Keep BLOCK_NUM up-to-date.
8224 (schedule_insns): Use compute_bb_for_insn.
8225 * recog.c (split_all_insns): Likewise.
8226 (peephole2_optimize): Likewise.
8228 Mon Oct 18 18:50:51 1999 Andreas Schwab <schwab@suse.de>
8230 * config/m68k/m68k.h (INITIAL_FRAME_POINTER_OFFSET): Add one word
8231 if the pic register is used.
8233 Mon Oct 18 02:38:46 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8235 * c-decl.c (pushdecl): Use TYPE_CONTEXT rather than TREE_PERMANENT.
8236 (finish_decl): Duplicate test for TREE_ASM_WRITTEN in else branch of
8237 if that tests TREE_PERMANENT.
8239 Mon Oct 18 01:41:35 1999 Jeffrey A Law (law@cygnus.com)
8241 * cse.c (invalidate_for_call): Do not remove memory references from
8242 the table here. It's handled elsewhere.
8244 * haifa-sched.c (add_dependence): Protect references to the
8245 true dependency cache with #ifdef INSN_SCHEDULING.
8246 (remove_dependence): Similarly.
8248 * mn10200.md (outline_epilogue_jump): Embed a (return) to indicate
8249 to the cfg code that this is a return instruction.
8250 * mn10300.md (return_internal): Similarly.
8252 * combine.c (get_last_value): If the last set of a register
8253 is after subst_low_cuid, then we can not use it to determine
8254 the register's last value.
8256 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
8258 * Makefile.in: Back out previous change.
8260 Sun Oct 17 15:22:50 1999 Jeffrey A Law (law@cygnus.com)
8262 * pa.c (move_operand): Reject (lo_sum (reg) (unspec ...)).
8264 * haifa-sched.c (add_dependence): Only check/update the cache
8266 (remove_dependence): Likewise.
8267 (schedule_insns): Only create the true_dependency_cache if the
8268 average number of instructions in a basic block is very large.
8270 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
8272 * Makefile.in (ggc-common.o): Depend on genrtl.h.
8273 (ggc-simple.o): Likewise.
8274 (ggc-page.o): Likewise.
8276 Sun Oct 17 02:09:50 1999 Andrew MacLeod <amacleod@cygnus.com>
8278 * basic-block.h (pre_edge_lcm, pre_edge_rev_lcm, compute_available):
8279 Prototype for exported functions.
8280 (pre_lcm, pre_rev_lcm): Remove prototypes.
8281 * gcse.c (compute_ae_kill): Add ae_gen and ae_kill as parameters.
8282 (compute_available): Move to lcm.c, and change parameter order.
8283 (one_classic_gcse_pass): Call compute_ae_kill with parameters.
8284 (pre_insert, s_preds, s_succs, num_preds, num_succs): Delete.
8285 (gcse_main): No longer call compute_preds_succs. Rebuild the
8286 set table after reach pre pass.
8287 (pre_insert_map, pre_delete_map, edge_list): New.
8288 (alloc_pre_mem): Allocate edge vectors.
8289 (free_pre_mem): Delete edge vectors.
8290 (compute_pre_data): Call new edge based lcm routines.
8291 (process_insert_insn): New function.
8292 (insert_insn_end_bb): Use it.
8293 (pre_edge_insert): New function.
8294 (pre_insert_copy_insn): Formatting fixes. Update BLOCK_END as
8296 (pre_insert_copies): Revamp using new edge based lcm outputs.
8297 (pre_delete): Likewise.
8298 (one_pre_gcse_pass): Insert & remove fake edges to the exit
8300 (compute_code_hoist_vbeinout): New new edge based routines.
8301 * lcm.c: Remove all the old LCM functions. Replace with new ones
8302 that work with the new cfg datastructures and work with edges
8305 Sun Oct 17 00:44:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8307 * reload.h (struct reload): Add new fields "mode" and "nregs".
8308 * reload1.c: Change all occurrences of reload_mode and reload_nregs
8309 to reference the "mode" and "nregs" field within struct reload.
8311 Sat Oct 16 21:50:28 1999 Jeffrey A Law (law@cygnus.com)
8313 * haifa-sched.c (true_dependency_cache): New.
8314 (add_dependence): Use the true dependency cache to avoid expensive
8315 walks down the LOG_LINKS dependency list. Add entries to the
8317 (remove_dependence): Remove entries from the true dependency cache
8319 (schedule_insns): Allocate and initialize and free the true
8322 * haifa-sched.c (schedule_insns): Do not remove inter-block
8323 dependencies anymore.
8325 Sat Oct 16 11:19:52 1999 Richard Henderson <rth@cygnus.com>
8327 * i386/t-cygwin (winnt.o): Depend on RTL_H and TREE_H.
8328 * i386/t-winnt: Likewise.
8330 Sat Oct 16 11:11:54 1999 Richard Henderson <rth@cygnus.com>
8332 * ggc-page.c (init_ggc): Work around SunOS unaligned mmap bug.
8334 1999-10-16 Manfred Hollstein <mhollstein@cygnus.com>
8336 * Makefile.in (LANGUAGES): Omit "proto".
8337 (clean): Remove stale comment about removing unprotoize.c.
8339 Sat Oct 16 11:29:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8341 * protoize.c (safe_read, safe_write): Avoid the gcc extension of
8342 using arithmetic on void pointers.
8344 Sat Oct 16 02:48:22 1999 Jeffrey A Law (law@cygnus.com)
8346 * haifa-sched.c (compute_block_forward_dependencies): Only check
8347 for notes, deleted insns and duplicates if ENABLE_CHECKING is defined.
8349 Sat Oct 16 00:07:01 1999 Richard Henderson <rth@cygnus.com>
8351 * gcse.c (hash_expr_1): Add in MEM_ALIAS_SET.
8352 (expr_equiv_p): Reject memories with different alias sets.
8354 Fri Oct 15 15:17:29 1999 Greg McGary <gkm@gnu.org>
8356 * flags.h (flag_bounds_check, flag_bounded_pointers): New extern decls.
8357 * toplev.c (flag_bounds_check, flag_bounded_pointers): New flags.
8358 (f_options): Add "bounded-pointers" and "bounds-check" entries.
8359 * c-lang.c (lang_init_options): Set flag_bounds_check as "unspecified".
8360 (lang_init): Set default for flag_bounds_check if still "unspecified".
8362 Sat Oct 16 13:42:29 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8364 * config/c4x/c4x.md (HF mode patterns): Add missing modes.
8366 Sat Oct 16 13:37:46 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8368 * config/c4x/c4x.md (movstrqi_small): Utilise parallel move
8371 Sat Oct 16 13:26:47 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8373 * config/c4x/c4x.md (*db_noclobber,
8374 *decrement_and_branch_until_zero_noclobber): New patterns and
8375 associated splitters.
8377 Sat Oct 16 13:13:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8379 * config/c4x/c4x.md (parallel instruction patterns): Rework
8380 constraints to keep reload happy.
8382 Sat Oct 16 13:03:16 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8384 * config/c4x/c4x.md (*absqi2_noclobber, *negqi2_noclobber,
8385 *one_cmplqi2_noclobber, *subqi3_noclobber, *andqi3_255_noclobber,
8386 *andqi3_65535_noclobber, *andnqi3_noclobber, *xorqi3_noclobber):
8387 Add new patterns and associated post-reload splitters.
8389 Sat Oct 16 12:42:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8391 * config/c4x/c4x.c (c4x_emit_libcall): Use ggc_alloc_string.
8393 Sat Oct 16 12:34:44 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8395 * config/c4x/c4x.c (c4x_rptb_insert): Emit rpts_top pattern
8397 * config/c4x/c4x.md (rpts_top): New pattern and splitter.
8399 Sat Oct 16 12:26:30 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8401 * config/c4x/c4x.c (src_operand): Check SYMBOL_REF and LABEL_REF
8404 Fri Oct 15 17:02:09 1999 Jeffrey A Law (law@cygnus.com)
8406 * pa.c (move_operand): Rely on memory_address_p to determine the
8407 validity of non-indexed memory addresses.
8408 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow LO_SUM with a symbolic
8409 operand in DFmode and SFmode when generating PA2.0 code.
8411 Fri Oct 15 14:25:19 1999 Richard Henderson <rth@cygnus.com>
8413 * print-rtl.c (print_rtx): Limit last 'u' change to LABEL_REF.
8415 Fri Oct 15 13:48:45 1999 Richard Henderson <rth@cygnus.com>
8417 * mips.c (function_prologue): Fix argument types.
8418 * mips.md (casesi): Use emit_jump_insn for casesi_internal.
8419 (casesi_internal): Write to the scratch register.
8421 1999-10-15 11:16 -0700 Zack Weinberg <zack@bitmover.com>
8423 * cppexp.c (cpp_parse_escape): Make static. Change second arg
8425 (parse_charconst): Delete unnecessary cast when calling
8427 (cpplib.h): Kill prototype of cpp_parse_escape.
8429 Fri Oct 15 11:02:46 1999 Richard Henderson <rth@cygnus.com>
8431 Based on patch from Michael Gschwind <mikeg@watson.ibm.com>:
8432 * unroll.c (unroll_loop): Cast return value of alloca.
8433 * i370/i370.c: Include function.h and toplev.h.
8434 (i370_label_scan): Remove c++ commented abort.
8435 * i370/i370.h (HANDLE_PRAGMA): Takes three arguments.
8436 (ASM_OUTPUT_LABELREF): Fix TOUPPER/else broken 16 Sept.
8437 * i370/xm-i370.h (HOST_BITS_PER_LONGLONG): Define.
8438 * i370/xm-mvs.h, i370/xm-oe.h: Likewise.
8440 Fri Oct 15 03:01:01 1999 Loren Rittle <ljrittle@acm.org>
8442 * config/t-freebsd: Do not override USER_H.
8443 * ginclude/stddef.h: Generalize check for _MACHINE_ANSI_H_.
8445 Fri Oct 15 02:37:28 1999 Alastair J. Houghton <ajh8@doc.ic.ac.uk>
8446 Mumit Khan <khan@xraylith.wisc.edu>
8448 * c-parse.in (component_decl): Support anonymous struct/union.
8450 * c-parse.y: Regenerate.
8451 * c-parse.c: Likewise.
8452 * objc/objc-parse.y: Likewise.
8453 * objc/objc-parse.c: Likewise.
8454 * c-decl.c (finish_struct): Don't sort the fields.
8455 (field_decl_cmp): Delete unused function.
8457 Fri Oct 15 01:20:52 1999 Richard Henderson <rth@cygnus.com>
8459 * sparc.md (movsf_const_intreg): Revert last constraint change.
8460 (movdf_const_intreg_sp32): Likewise.
8462 Fri Oct 15 01:47:51 1999 Vladimir Makarov <vmakarov@loony.cygnus.com>
8464 * cse.c: Include hashtab.h instead of splay-tree.h
8465 (struct cse_reg_info): No longer use variant union. Add new
8466 field "regno". All references changed to avoid union.
8467 (cse_reg_info_used_list, cse_reg_info_used_list_end): New variables.
8468 (free_cse_reg_info): Remove.
8469 (hash_cse_reg_info, cse_reg_info_equal_p): New functions.
8470 (get_cse_reg_info): Revamp to use expandable hash tables instead
8471 of splay trees. Initialize new fields in cse_reg_info structure.
8472 (new_basic_block): Similarly.
8474 Thu Oct 14 23:51:56 1999 Richard Henderson <rth@cygnus.com>
8476 * genrecog.c (message_with_line): Prototype.
8477 (validate_pattern): Pass along the set for the dest, not a flag.
8478 Fix non-lvalue message. Don't warn for VOIDmode SET_DEST of CALL.
8479 Check for PC/CC0 as sources.
8480 (nodes_identical): Check for children position match before
8481 allowing the combination.
8483 * rtl.c (read_rtx): Track line number across \\\n.
8485 Thu Oct 14 23:50:25 1999 Richard Henderson <rth@cygnus.com>
8487 * mips.h (SPECIAL_MODE_PREDICATES): New.
8488 * mips.md (*) Use nonimmediate_operand not general_operand for outputs.
8489 (movdi+1, movsi+1): Add output reload constraint.
8490 (casesi_internal): Likewise. Fix commentary.
8491 (return_internal): Use pmode_register_operand.
8493 Thu Oct 14 23:19:34 1999 Richard Henderson <rth@cygnus.com>
8495 * 1750a.md (movstrqi): Add missing output reload constraint.
8496 (call_value): Likewise.
8497 * a29k.md (cpxxx patterns): Add missing match_operator mode.
8498 (jmpfdec): Add missing inout reload constraint.
8499 * elxsi.md (addsi patterns): Add missing output reload constraint.
8500 (move from sp): Use @ alternates.
8501 (call_value): No constraint on output.
8502 * fr30.md (movsi_pop): Add missing output reload constraint.
8503 (movsf_constant_store): Likewise.
8504 (splits): Remove constraints.
8505 (subsi3): Add missing mode.
8506 * i370.md (cmpstrsi+1): Add missing output reload constraint.
8507 (call_value): Likewise.
8508 * i960.md (cmpinc/cmpdec patterns): Add inout reload constraints.
8509 * m32r.h (PREDICATE_CODES): Add seth_add3_operand.
8510 * m32r.md (movsicc_internal): Add output reload constraint.
8511 (movstrsi_internal): Add inout reload constraints.
8512 * m88k.h (reg_names): Don't declare.
8513 (SPECIAL_MODE_PREDICATES): New.
8514 * m88k.md (*): Use register_operand not reg_or_0_operand
8516 * mn10200.h (PREDICATE_CODES): New.
8517 * ns32k.md (ffs pattern): Add output reload constraint.
8518 * pdp11.md (sob pattern): Add inout reload constraint.
8519 * sh.md (splits): Remove constraints.
8520 (indirect_jump_scratch, fpu_switch): Add output reload constraint.
8521 * v850.md (pattern_is_ok_for_epilogue): Likewise.
8522 * vax.md (jgequ pattern): Add inout reload constraint.
8524 Fri Oct 15 00:05:00 1999 Jeffrey A Law (law@cygnus.com)
8526 * configure.in (djgpp): Revert previous patch.
8527 * configure: Rebuit.
8528 * config/i386/djgpp.h: Revert previous patch.
8530 Fri Oct 15 00:00:24 1999 Loren J. Rittle <ljrittle@acm.org>
8532 * fixinc/inclhack.def: Restore patch lost during last merge of
8533 "no_bogosity" branch.
8534 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
8536 Thu Oct 14 23:57:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
8538 * fixincludes: Add a HPUX 11 fix for inttypes.h.
8539 * fixinc/inclhack.def: Same.
8540 * fixinc/inclhack.sh, fixinc/fixincl.sh, fixinc/fixincl.x: Regenerate.
8542 Thu Oct 14 22:51:55 1999 Richard Henderson <rth@cygnus.com>
8544 * alpha.h (GO_IF_LEGITIMATE_SIMPLE_ADDRESS): Accept ADDRESSOF
8545 as the base of a PLUS.
8547 Fri Oct 15 18:36:07 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8549 * config/c4x/c4x.md: Define mode for remaining unspec operators.
8550 * config/c4x/c4x.c (dst_operand): Use nonimmediate_operand.
8552 Thu Oct 14 22:14:23 1999 Richard Henderson <rth@cygnus.com>
8554 * pa.md (post_stw+1): Use pmode_register_operand.
8555 (dcacheflush, icacheflush): Likewise.
8557 * i386.md (movstricthi_1): Allow r/r.
8559 Thu Oct 14 19:44:08 1999 Jan Hubicka <hubicka@freesoft.cz>
8561 * fold-const.c (fold): Convert (or (not arg0) (not arg1))
8562 to (not (and (arg0) (arg1))). Similary for and.
8564 * fold-const.c (fold): Move bit_rotate code to the EXPR_PLUS case,
8565 fallthrough to associate code.
8566 Convert XOR to OR in code like (a&c1)^(a&c2) where c1 and c2 don't have
8569 * combine.c (simplify_logical): Convert XOR to IOR if operands have
8570 no bits in common; remove XOR to ROTATE conversion.
8572 Fri Oct 15 17:40:11 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8574 * config/c4x/c4x.h (c4x_va_start, c4x_va_arg): Declare.
8576 Fri Oct 15 17:27:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8578 * config/c4x/c4x.c (dst_operand): New.
8579 (PREDICATE_CODES): Update.
8580 * config/c4x/c4x.h (dst_operand): Declare it.
8581 * config/c4x/c4x.md: Define mode for each unspec usage.
8582 (move patterns): Use dst_operand predicate instead of src_operand.
8583 (movqi_update, movqf_update): Delete.
8585 Thu Oct 14 18:48:54 1999 Richard Henderson <rth@cygnus.com>
8587 * recog.c (pmode_register_operand): New.
8588 * recog.h: Declare it.
8589 * genrecog.c (pred_codes): Likewise.
8590 (special_mode_pred_table): Likewise.
8591 (validate_pattern): Don't warn no mode for address_operand.
8593 * print-rtl.c (print_rtx) [LABEL_REF]: Only do full subexpression
8594 if the operand is not insn-like.
8596 Thu Oct 14 19:38:42 1999 Jeffrey A Law (law@cygnus.com)
8597 Sylvian Pion <Sylvain.Pion@sophia.inria.fr>
8599 * fold-const.c (fold): Handle more simplifications allowed by IEEE.
8601 Thu Oct 14 17:30:14 1999 Richard Henderson <rth@cygnus.com>
8603 * sparc.md (*): Use {nonimmediate,register}_operand as appropriate
8604 instead of general_operand in a SET_DEST. Use const_double_operand
8605 instead of an explicit test against CONST_DOUBLE.
8606 (movsf_const_lo): Add missing register mode.
8607 (goto_handler_and_restore): Add auxiliary test for Pmode.
8608 (flush): Adjust to use address_operand.
8609 (return_sf_no_fpu): Add missing output constraint.
8611 Thu Oct 14 17:21:26 1999 Richard Henderson <rth@cygnus.com>
8613 * rs6000.md (call_value_indirect_aix32): Use wildcard match_operand
8614 for call return value.
8615 (call_value_indirect_aix64, call_value_indirect_nt): Likewise.
8617 Thu Oct 14 13:54:25 1999 Jason Merrill <jason@yorick.cygnus.com>
8619 * toplev.c (main): Only warn about options for other languages.
8620 * collect2.c (main): Pass -w to sub-gcc.
8622 Thu Oct 14 16:27:50 1999 Richard Henderson <rth@cygnus.com>
8624 * flow.c (propagate_block): Add call-clobbered registers to
8627 * flow.c (propagate_block): Use free_EXPR_LIST_list instead of
8628 zapping mem_set_list.
8629 (invalidate_mems_from_autoinc): Use free_EXPR_LIST_node.
8630 (mark_set_1, mark_used_regs): Likewise.
8632 Thu Oct 14 10:51:49 1999 Richard Henderson <rth@cygnus.com>
8634 * m68k.md (zero_extendsidi2): Add missing output reload constraint.
8636 Wed Oct 13 00:09:18 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8638 * invoke.texi: Label -Wbad-function-cast, -Wmissing-prototypes,
8639 -Wnested-externs, -Wstrict-prototypes, and -Wtraditional as C only
8640 options. Also add a new item "C-only Warning Options" to the
8643 1999-10-14 Gavin Romig-Koch <gavin@cygnus.com>
8645 * libgcc2.c (__do_global_dtors): Protect __deregister_frame_info
8646 from multiple calls.
8648 Thu Oct 14 04:54:54 1999 Richard Henderson <rth@cygnus.com>
8650 * i386.md (call value patterns): Move to the end of the file.
8651 (prologue_set_got, prologue_get_pc): Use register_operand for op 0.
8653 1999-10-14 Mark Elbrecht <snowball3@bigfoot.com>
8655 * configure.in (djgpp configuration): Define extra_objects..
8656 * configure: Rebuilt.
8657 * config/i386/djgpp.h (CTORS_SECTION_ASM_OP): Define.
8658 (DTORS_SECTION_ASM_OP): Define.
8659 (INIT_SECTION_ASM_OP): Define.
8660 (FINI_SECTION_ASM_OP): Define.
8661 (DATA_SECTION_ASM_OP): Define.
8662 (TEXT_SECTION_ASM_OP): Define.
8663 (EH_FRAME_SECTION_ASM_OP): Define.
8664 (LINK_COMMAND_SPEC): Remove -Tdjgpp.djl.
8665 (STARTFILE_SPEC): Add crtbegin.o.
8666 (ENDFILE_SPEC): Define and add crtend.o. Move argument -Tdjgpp.djl
8667 to here from LINK_COMMAND_SPEC.
8668 (DO_GLOBAL_CTORS_BODY): Define.
8669 (CRTSTUFF_USE_FINI_SECTION): Define
8670 (HAS_INIT_SECTION): Delete.
8672 Thu Oct 14 05:08:14 1999 Andreas Schwab <schwab@suse.de>
8674 * Makefile.in (all.cross): Depend on xcpp$(exeext).
8676 Thu Oct 14 04:00:40 1999 Richard Henderson <rth@cygnus.com>
8678 * pa.h (PREDICATE_CODES): New.
8680 * genrecog.c (validate_pattern): Condense the destination
8683 Thu Oct 14 03:23:08 1999 Richard Henderson <rth@cygnus.com>
8685 * alpha.md (call-1): Supply missing mode for operator.
8686 (*): Add missing output reload constraints. Remove constraints
8689 * i386.h (SPECIAL_MODE_PREDICATES): New.
8690 * i386.md (movstricthi_1): Use nonimmediate_operand for op 0.
8691 (movqi_1, movdi_1, movdi_2, some splits): Likewise.
8692 (addsi_lea_3): Add missing mode for op 3.
8693 (prologue_set_got, prologue_get_pc): Add missing modes.
8694 (*) Add missing output reload constraints.
8696 Thu Oct 14 03:59:57 1999 Stephane Carrez <stcarrez@worldnet.fr>
8698 * stor-layout.c (layout_union): Use HOST_WIDE_INT for const_size;
8699 check for member bit-size overflow and use var_size if it occurs.
8700 (layout_record): Use bitsize_int() to define the type size in bits.
8701 Likewise for computation and assignment to DECL_FIELD_BITPOS.
8702 (layout_decl): Likewise when assigning to DECL_SIZE.
8704 Thu Oct 14 02:57:05 1999 Richard Henderson <rth@cygnus.com>
8706 * genrecog.c (validate_pattern): Typo last change. Verify
8707 that output operands have output reloads.
8709 Thu Oct 14 01:49:54 1999 Richard Henderson <rth@cygnus.com>
8711 * genrecog.c (special_mode_pred_table): New.
8712 (NUM_SPECIAL_MODE_PREDS): New.
8713 (find_operand): New.
8714 (validate_pattern): New argument `insn'. Warn for assignment to
8715 any predicate accepting non-lvalues. Conditionaly warn for
8716 match_operand without a mode. Try much harder to match source
8717 and destination modes on a set.
8718 * tm.texi (SPECIAL_MODE_PREDICATES): Document.
8720 Thu Oct 14 02:54:13 1999 Jeffrey A Law (law@cygnus.com)
8722 * fold-const.c (fold): Detect rotates built from BIT_XOR_EXPRs.
8724 Thu Oct 14 02:18:19 1999 Marc Espie <espie@cvs.openbsd.org>
8726 * combine.c (simplify_logical): Recognize xor pattern that encodes
8729 Wed Oct 13 23:23:45 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8731 * rs6000.c (expand_block_move): Use INTVAL, not XINT to access
8734 Wed Oct 13 21:47:18 1999 Richard Henderson <rth@cygnus.com>
8736 * ggc-page.c (MAP_FAILED): Provide default.
8738 Wed Oct 13 21:41:59 1999 Richard Henderson <rth@cygnus.com>
8740 * sparc.c (symbolic_operand): Verify mode; don't accept CONST_DOUBLE.
8741 * sparc.h (PREDICATE_CODES): Update.
8743 Wed Oct 13 21:18:17 1999 Richard Henderson <rth@cygnus.com>
8745 * alpha.c (some_ni_operand): New.
8746 * alpha-protos.h: Declare it.
8747 * alpha.h (PREDICATE_CODES): Update.
8748 * alpha.md (sXaddq reload insns): Use some_ni_operand
8749 for SET_DEST instead of some_operand.
8751 Wed Oct 13 21:04:45 1999 Richard Henderson <rth@cygnus.com>
8752 Jim Wilson <wilson@cygnus.com>
8754 * genrecog.c (maybe_both_true_2): Don't compare modes of
8756 (process_tree): Elide peephole2_insns. Invoke simplify_tests
8757 after find_afterward.
8758 (debug_decision_1): Dump next and afterward codes.
8760 Wed Oct 13 20:35:16 1999 Richard Henderson <rth@cygnus.com>
8762 * rtl.c (dump_and_abort): Remove.
8763 (fatal_with_file_and_line): New.
8764 (fatal_expected_char): New.
8765 (read_rtx_lineno, read_rtx_filename): New.
8766 (read_skip_spaces): Track line number.
8767 (read_name): Use fatal_with_file_and_line.
8768 (read_rtx): Use fatal_expected_char. Track line number.
8769 * rtl.h (read_rtx_filename, read_rtx_lineno): Declare.
8771 * print-rtl.c (print_rtx): Don't special case LABEL_REF argument
8772 if it isn't a CODE_LABEL.
8774 * genattr.c (main): Set read_rtx_filename.
8775 * genattrtab.c (main): Likewise.
8776 * gencodes.c (main): Likewise.
8777 * genconfig.c (main): Likewise.
8778 * genemit.c (main): Likewise.
8779 * genextract.c (main): Likewise.
8780 * genflags.c (main): Likewise.
8781 * genopinit.c (main): Likewise.
8782 * genoutput.c (main): Likewise.
8783 * genpeep.c (main): Likewise.
8785 * genrecog.c (decision_test.u.insn): Add `lineno'.
8786 (pattern_lineno, error_count): New variables.
8787 (message_with_line): New.
8788 (add_to_sequence): Break out checking code to ...
8789 (validate_pattern): ... here. Detect SET_DEST matching CONST_INT.
8790 (merge_insn): Use message_with_line.
8791 (make_insn_sequence): Use validate_pattern. Record insn lineno.
8792 (main): Set read_rtx_filename, pattern_lineno. Exit early on error.
8794 Wed Oct 13 22:01:35 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
8796 * expr.c (store_constructor): Clear union if constructor is empty.
8798 Wed Oct 13 15:19:04 1999 Jim Wilson <wilson@cygnus.com>
8800 * config/rs6000/sysv4.h (CC1_SPEC): Fix errors from Jan 19 change.
8801 Add !endian checks. Change %{...} to %(...).
8803 Wed Oct 13 13:30:34 1999 Richard Henderson <rth@cygnus.com>
8805 * i386.md (*addsi3_cc): Renamed from addcsi3.
8806 (*addsi3_carry): Renamed from addxsi3.
8807 (*subsi3_cc): Renamed from subcsi3.
8808 (*subsi3_carry): Renamed from subxsi3.
8809 (*xorqi_cc_1): Renamed from xorcqi_1.
8810 (xorqi_cc_ext_1): Renamed from xorcqi_ext_1.
8811 * i386.c (ix86_expand_fp_compare): Update for xorqi_cc_ext_1.
8813 Wed Oct 13 13:10:46 1999 Richard Henderson <rth@cygnus.com>
8815 * Makefile.in (ggc-common.o): Depend on RTL_H not RTL_BASE_H.
8816 (ggc-simple.o, ggc-page.o, ggc-none.o, ggc-callbacks.o): Likewise.
8818 1999-10-13 Brendan Kehoe <brendan@cygnus.com>
8820 * regmove.c (optimize_reg_copy_3): Make sure P is non-nil as we
8821 climb up the chain of insns.
8823 Wed Oct 13 10:20:58 1999 Richard Henderson <rth@cygnus.com>
8825 * genrecog.c (write_subroutine): Careful for null trees.
8826 (process_tree): Don't elide empty functions.
8828 Wed Oct 13 10:07:54 1999 Richard Henderson <rth@cygnus.com>
8830 * Makefile.in (genrtl.o): Depend on ggc.h.
8831 * configure.in (valloc): Probe for it.
8832 (with-gc): Use ggc-page if valloc present.
8833 * ggc-common.c (ggc_mark_rtx_children): Use ggc_mark_if_gcable.
8834 (ggc_mark_rtvec_children): New from corpse of ggc_mark_rtvec.
8835 (ggc_alloc_string): Moved from ggc-page.c.
8836 * ggc-none.c (ggc_alloc_obj): New.
8837 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove.
8838 * ggc-page.c (sys/mman.h): Only include if HAVE_MMAP.
8839 (struct globals): Likewise for dev_zero_fd.
8840 (init_ggc): Likewise for it's initialization.
8841 (ggc_allocated_p): Move careful dereference from ...
8842 (ggc_lookup_page_table): ... here. Delete.
8843 (lookup_page_table_entry): Don't use ggc_lookup_page_table.
8844 (alloc_anon): Use valloc if no mmap.
8845 (release_pages): Use free if using valloc.
8846 (ggc_alloc_obj): Renamed from alloc_obj.
8847 (ggc_set_mark): Renamed from mark_obj.
8848 (ggc_mark_if_gcable): Renamed from ggc_mark_string_if_gcable.
8849 (ggc_alloc_rtx, ggc_alloc_rtvec): Delete.
8850 (ggc_alloc_tree, ggc_alloc_string, ggc_alloc): Delete.
8851 (ggc_set_mark_rtx, ggc_set_mark_rtvec): Delete.
8852 (ggc_set_mark_tree, ggc_mark_string, ggc_mark): Delete.
8853 (ggc_collect): Use fp printing instead of our own rounding.
8854 * ggc-simple.c (IS_MARKED, IGNORE_MARK): Delete.
8855 (GGC_STRING_MAGIC, GGC_STRING_MAGIC_MARK): Delete.
8856 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): Delete.
8857 (struct ggc_rtx, struct ggc_rtvec, struct ggc_tree): Delete.
8858 (struct ggc_string, struct ggc_any): Delete.
8859 (offsetof): Provide default definition.
8860 (GGC_BALANCE, GGC_ALWAYS_COLLECT, GGC_ALWAYS_VERIFY): New.
8862 (struct ggc_mem): New, from corpse of ggc_any.
8863 (struct ggc_status): Delete.
8864 (ggc_chain, ggc_allocated_strings, ggc_strings_used): Delete.
8865 (n_rtxs_collected, n_vecs_collected, n_trees_collected): Delete.
8866 (n_strings_collected, n_anys_collected): Delete.
8867 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Delete.
8868 (ggc_alloc_string, ggc_alloc): Delete.
8869 (ggc_free_rtx, ggc_free_rtvec, ggc_free_tree): Delete.
8870 (ggc_free_string, ggc_free_any): Delete.
8871 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Delete.
8872 (ggc_compare_addresses, ggc_mark_string): Delete.
8873 (ggc_mark_string_if_gcable, ggc_mark): Delete.
8874 (search_data): Delete.
8875 (struct globals): New.
8876 (GGC_MIN_EXPAND_FOR_GC, GGC_MIN_LAST_ALLOCATED): New.
8877 (tree_insert, tree_lookup): New.
8878 (ggc_alloc_obj, ggc_set_mark, ggc_mark_if_gcable): New.
8879 (clear_marks, sweep_objs): New.
8880 (ggc_collect): Gut. Use clear_marks, sweep_objs.
8881 (init_ggc): Set allocated_last_gc.
8882 (ggc_push_context): Gut. Use G.context.
8883 (ggc_pop_context): Likewise.
8884 (ggc_pop_context_1): New.
8885 (debug_ggc_tree): New.
8886 (debug_ggc_balance, tally_leaves): New.
8887 * ggc.h (ggc_mark_rtvec, ggc_mark_string, ggc_mark): Remove decl.
8888 (ggc_mark_string_if_gcable): Remove decl.
8889 (ggc_mark_rtx, ggc_mark_tree): Use ggc_set_mark.
8890 (ggc_mark_rtvec_children): New.
8891 (ggc_mark_rtvec, ggc_mark_string, ggc_mark): New.
8892 (ggc_mark_if_gcable): New decl.
8893 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove decl.
8894 (ggc_alloc_tree, ggc_alloc): Likewise.
8895 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Likewise.
8896 (ggc_alloc_obj): New decl.
8897 (ggc_alloc_rtx, ggc_alloc_rtvec): New macros.
8898 (ggc_alloc_tree, ggc_alloc): Likewise.
8899 (ggc_set_mark): New decl.
8900 * rtl.h (struct rtx_def): Remove gc_mark.
8901 (struct rtvec_def): Likewise.
8902 * tree.h (struct tree_common): Likewise.
8904 Wed Oct 13 01:44:29 1999 Carol LePage <carolo@hal.com>
8906 * configure.in (sparc-hal-solaris2*): Fix xm_file, xm_defines,
8907 float_format and thread_file definitions.
8908 * configure: Rebuilt.
8910 Wed Oct 13 09:25:03 1999 Niels Möller <nisse@lysator.liu.se>
8912 * extend.texi (Function Names): Document types of function names.
8914 Wed Oct 13 00:45:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8916 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
8917 an earlyclobbered output conflict with RELOAD_INPUT reloads.
8919 Tue Oct 12 23:28:28 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
8921 * sh.h (BOOL_TYPE_SIZE): Don't use INT_TYPE_SIZE / CHAR_TYPE_SIZE.
8923 Tue Oct 12 23:19:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
8925 * sh.h (REGISTER_MOVE_COST): Change PR_REG to PR_REGS.
8927 Tue Oct 12 17:09:38 1999 David Edelsohn <edelsohn@gnu.org>
8929 * collect2.c (main): Do prelimnary link on AIX if rflag.
8931 Tue Oct 12 09:45:19 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
8933 * config/rs6000/eabi-ctors.c (__do_global_ctors): Run through
8934 __CTOR_LIST__ in opposite order, which is the correct order for sorted
8936 (__do_global_dtors): similarly for __DTOR_LIST__.
8938 Fri Oct 8 19:46:03 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
8939 Diego Novillo <dnovillo@cygnus.com>
8941 * config/sh/sh.h (REGISTER_MOVE_COST): Handle moves from T_REGS to
8944 Tue Oct 12 07:38:41 1999 Bruce Korb <autogen@linuxbox.com>
8946 * fixincl/*: Merged "no_bogosity" branch
8947 * fixincl/fixlib.h: protect against doubly defining t_bool
8948 * fixincl/server.h: protect against doubly defining t_bool
8950 Mon Oct 11 20:18:41 1999 Jim Wilson <wilson@cygnus.com>
8952 * genoutput.c: Include toplev.h.
8954 Mon Oct 11 18:56:14 1999 Jim Wilson <wilson@cygnus.com>
8956 * config/sparc/liteelf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
8958 * configure.in (sparclite-*-elf, sparc86x-*-elf): Don't use libgloss.h.
8959 * configure: Regenerate.
8961 Mon Oct 11 16:07:49 1999 Richard Henderson <rth@cygnus.com>
8963 * gcse.c (delete_null_pointer_checks): Returns void.
8965 Mon Oct 11 20:31:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8967 * rtl.c (copy_rtx): Don't use accessor macros to copy fields.
8968 * emit-rtl.c (copy_insn_1): Likewise.
8970 Mon Oct 11 13:29:06 1999 Geoffrey Keating <geoffk@cygnus.com>
8972 * config/mips/mips.c (mips_build_va_list): Correct
8973 TREE_CHAIN setting when hard-float.
8974 (mips_va_start): Use corrected setting.
8975 (mips_va_arg): Likewise. Also pass a tree to build of
8976 POSTINCREMENT_EXPR rather than a naked 'int'.
8978 Sun Oct 10 18:27:27 1999 Mark Mitchell <mark@codesourcery.com>
8980 * ggc.h (ggc_push_context): Fix comment.
8981 (ggc_pop_context): Likewise.
8982 (mark_string_if_gcable): Likewise.
8983 * ggc-common.c (ggc_mark_rtx_children): Use
8984 ggc_mark_string_if_gcable.
8985 * ggc-page.c (ggc_lookup_page_table): New function.
8986 (ggc_allocated_p): Likewise.
8987 (mark_obj): Fix formatting.
8988 (ggc_mark_string_if_gcable): New function.
8989 * ggc-simple.c (ggc_allocated_strings): New variable.
8990 (ggc_strings_used): Likewise.
8991 (ggc_compare_addresses): New function.
8992 (ggc_pop_context): Pop the `any' memory too.
8993 (ggc_mark_string_if_gcable): New function.
8994 (ggc_collect): Initialize and tear down ggc_allocated_strings.
8996 Sun Oct 10 20:05:21 1999 David Edelsohn <edelsohn@gnu.org>
8998 * rs6000.md (movstrsi_?reg): Use preferred rD/rS = r5 form.
8999 (scc patterns): Disable most SImode variants if TARGET_POWERPC64.
9000 * rs6000.c (expand_block_move): Match movstrsi_?reg register
9003 Sun Oct 10 16:37:01 1999 Richard Henderson <rth@cygnus.com>
9005 * haifa-sched.c (sched_reg_n_calls_crossed): Delete.
9006 (sched_reg_live_length, sched_reg_basic_block): Delete.
9007 (current_block_num, bb_live_regs, old_live_regs): Delete.
9008 (dead_notes, struct sometimes): Delete.
9009 (sched_note_set, birthing_insn_p): Delete.
9010 (adjust_priority): Gut useless reg lifetime code.
9011 (create_reg_dead_note, attach_deaths): Delete.
9012 (attach_deaths_insn, new_sometimes_live): Delete.
9013 (finish_sometimes_live): Delete.
9014 (find_pre_sched_live, find_post_sched_live): Delete.
9015 (update_reg_usage): Delete.
9016 (find_insn_reg_weight): New, from corpse of find_pre_sched_live.
9017 (schedule_insns): Delete reg lifetime code.
9018 (sched_analyze): Use REG_SAVE_NOTE to stuff NOTE_INSN notes away.
9019 (unlink_other_notes): Adjust REG_NOTE commentary.
9020 (reemit_notes): Use REG_SAVE_NOTE.
9021 (schedule_block): Likewise.
9022 (schedule_region): Allocate bitmap of blocks in region. Use
9023 count_or_remove_death_notes. Use update_life_info.
9025 * rtl.h (REG_SAVE_NOTE): New.
9026 * rtl.c (reg_note_name): Update.
9028 Sun Oct 10 16:14:16 1999 Richard Henderson <rth@cygnus.com>
9030 * combine.c (refresh_blocks, need_refresh): New.
9031 (combine_instructions): Allocate refresh_blocks. Invoke
9032 update_life_info if needed.
9033 (distribute_notes): Mark refresh_blocks instead of installing
9035 * flow.c (update_life_info): Remove notes if GLOBAL_RM_NOTES.
9036 * basic_block.h (enum update_life_extent): Add GLOBAL_RM_NOTES.
9038 * Makefile.in (recog.o): Depend on basic-block.h.
9040 Sun Oct 10 12:03:21 1999 Richard Henderson <rth@cygnus.com>
9042 * genrecog.c (add_to_sequence): Thinko last change: delete
9043 shadowing allow_const_int variable.
9045 Sun Oct 10 08:40:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9047 * cppinit.c: Use HAVE_GCC_VERSION instead of explicitly testing
9048 __GNUC__ and __GNUC_MINOR__.
9050 * gansidecl.h: Likewise.
9056 * toplev.h: Likewise.
9062 * varray.c: Likewise.
9064 * varray.h: Likewise.
9066 Sun Oct 10 13:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9068 * loop.c (find_and_verify_loops): When looking for a BARRIER, don't
9069 use one before a jump table.
9071 * rtl.def (ADDRESS): Change documentation to match reality.
9072 * md.texi: Don't document it.
9073 * gmicro.md (load address pattern): Use 'p' constraint, delete use
9076 * emit-rtl.c (copy_insn_1): Make format_ptr a const char *.
9078 Sun Oct 10 02:41:41 1999 Richard Henderson <rth@cygnus.com>
9080 * genrecog.c (add_to_sequence): Move allow_const_int test outside
9081 known predicate block; default allow_const_int true.
9082 (debug_decision_list): New.
9084 Sun Oct 10 00:43:08 1999 Richard Henderson <rth@cygnus.com>
9086 * i386.h (CC1_SPEC): Typo -- use cc1_cpu.
9088 Sat Oct 9 23:26:55 1999 Jeffrey A Law (law@cygnus.com)
9090 * gcse.c (gcse_main): Avoid global optimizations if we have a
9091 large number of basic blocks and the ratio of edges to blocks
9093 (delete_null_pointer_checks): Likewise.
9095 Sat Oct 9 23:16:01 1999 Ken Raeburn <raeburn@mit.edu>
9097 * c-common.c (check_format_info): Warn if format string isn't a
9100 Sat Oct 9 23:04:02 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
9102 * configure.in (arm*-*-*): Don't let autoconf remove brackets
9103 * configure: regenerate
9105 Sat Oct 9 13:15:53 1999 Richard Henderson <rth@cygnus.com>
9107 * alpha.md (extendsidi2): Turn into a splitter. Allow f/f.
9108 If TARGET_FIX, allow r/f. Remove cvtlq unspec pattern.
9109 (peepholes): Re-enable.
9111 Sat Oct 9 12:18:16 1999 Richard Henderson <rth@cygnus.com>
9113 * Makefile.in (flow.o): Depend on TREE_H.
9114 * basic-block.h (REG_SET_EQUAL_P): New.
9117 (free_regset_vector): Remove declaration.
9118 (flow_delete_insn_chain): Declare.
9119 (enum update_life_extent): New.
9120 (update_life_info, count_or_remove_death_notes): Declare.
9121 * combine.c (distribute_notes) [REG_DEAD]: Stop search at bb->head.
9122 Verify register live at bb->global_live_at_start before adding USE.
9123 * flow.c (HAVE_epilogue, HAVE_prologue): Provide default.
9124 (CLEAN_ALLOCA): New.
9126 (PROP_*): New flags.
9127 (find_basic_blocks_1): Use alloc_EXPR_LIST.
9128 (clear_edges): Zero n_edges.
9129 (make_edge): Increment n_edges.
9130 (split_edge): Don't allocate bb->local_set. Increment n_edges.
9131 (flow_delete_insn_chain): Export.
9132 (delete_block): Decrement n_edges.
9133 (merge_blocks_nomove): Likewise.
9134 (life_analysis): Give life_analysis_1 PROP flags.
9135 (verify_wide_reg_1, verify_wide_reg): New.
9136 (verify_local_live_at_start): New.
9137 (update_life_info): Rewrite to call into propogate_block.
9139 (mark_regs_live_at_end): After reload, if epilogue as rtl,
9140 always mark stack pointer. Conditionally mark PIC register.
9141 After reload, mark call-saved registers, return regsiters.
9142 (life_analysis_1): Accept PROP flags not remove_dead_code.
9143 Call mark_regs_live_at_end before zeroing regs_ever_live.
9144 Use calculate_global_regs_live. Copy global_live_at_end before
9145 calling final propagate_block. Zero reg_next_use on exit.
9146 (calculate_global_regs_live): New.
9147 (allocate_bb_life_data): Don't allocate bb->local_set.
9148 (init_regset_vector, free_regset_vector): Remove.
9149 (propagate_block): Accept FLAGS not FINAL or REMOVE_DEAD_CODE.
9150 Test flags before every operation. Warn if prologue/epilogue insn
9151 would have been deleted.
9152 (mark_set_regs, mark_set_1): Accept and use FLAGS.
9153 Use alloc_EXPR_LIST.
9154 (mark_used_regs): Accept and use FLAGS, not FINAL.
9155 Remove special handling for RETURN.
9156 (try_pre_increment): Use alloc_EXPR_LIST.
9157 (dump_flow_info): Dump n_edges.
9158 (unlink_insn_chain, split_hard_reg_notes): Remove.
9159 (maybe_add_dead_note, maybe_add_dead_note_use): Remove.
9160 (find_insn_with_note, new_insn_dead_notes): Remove.
9161 (update_n_sets, sets_reg_or_subreg_1, sets_reg_or_subreg): Remove.
9162 (maybe_remove_dead_notes, prepend_reg_notes): Remove.
9163 (replace_insns): Remove.
9164 (count_or_remove_death_notes): New.
9165 (verify_flow_info): Abort on error after all checks.
9166 (remove_edge): Decrement n_edges.
9167 (remove_fake_edges): Tweek format.
9168 * haifa-sched.c (schedule_insns): Use split_all_insns.
9169 * output.h (update_life_info): Remove declaration.
9170 * recog.c (split_all_insns): From the corpse of split_block_insns,
9171 do the whole function block by block. Use update_life_info.
9172 (recog_last_allowed_insn): New.
9173 (recog_next_insn): Mind it.
9174 (peephole2_optimize): Set it. Walk backwards through blocks.
9175 Use update_life_info.
9176 * rtl.h (update_flow_info, replace_insns): Remove declarations.
9177 (split_all_insns): Declare.
9178 * toplev.c (rest_of_compilation): Thread prologue before flow2.
9179 Use split_all_insns.
9181 * i386.md (or -1 peep2s): Disable.
9183 Fri Oct 8 17:49:08 1999 Richard Henderson <rth@cygnus.com>
9185 * config/mips/mips.md (movstrsi+[123]) : Combine these into
9186 a single pattern. Scrap the 'd' versions as unnecessary.
9188 * config/mips/mips.md (tablejump_internal3,tablejump_mips161,
9189 tablejump_mips162,tablejump_internal4): The operands to a
9190 label_ref must be VOIDmode.
9192 Fri Oct 8 16:12:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9194 * configure.in (c-mbchar): Append, don't overwrite, `extra_c_flags'.
9196 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
9198 * mips.c (mips_va_arg) [EABI]: Return addr_rtx.
9200 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
9202 * lists.c (init_EXPR_INSN_LIST_cache): Don't need to zap the
9203 cache every function if ggc_p.
9205 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9207 * jump.c (duplicate_loop_exit_test): Use copy_insn/copy_insn_1
9208 instead of copy_rtx. Accept sequences that contain asm statements.
9209 * emit-rtl.c (copy_insn_1, copy_insn): New functions.
9210 (copy_insn_scratch_in, copy_insn_scratch_out, copy_insn_n_scratches,
9211 orig_asm_operands_vector, copy_asm_operands_vector,
9212 orig_asm_constraints_vecotr, copy_asm_constraints_vector): New static
9214 * rtl.h (copy_insn, copy_insn_1): Declare.
9216 Fri Oct 8 13:08:12 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9218 * Makefile.in (insn-recog.o): Depend on hard-reg-set.h and resource.h.
9220 * alpha.h (ASM_OUTPUT_MI_THUNK): Pass the correct number of
9221 arguments to `current_file_function_operand'.
9223 * genrecog.c: Include hard-reg-set.h and resource.h in the
9224 generated output file.
9226 * real.c: Include tm_p.h.
9228 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9230 * i386.md (prologue_allocate_stack): Add '=' constraint letter on
9233 Thu Oct 7 23:06:50 1999 Richard Henderson <rth@cygnus.com>
9235 * rs6000.md (fix_truncdfsi2_internal+1): Emit a clobber
9236 before the fctiwz insn.
9238 Thu Oct 7 22:53:00 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9239 Mark Mitchell <mark@codesourcery.com>
9241 * tree.c (make_lang_type_fn): New funtion pointer.
9242 (make_lang_type): Call it.
9243 * tree.h (make_lang_type): Declare.
9244 (make_lang_type_fn): Likewise.
9245 * rs6000.c (rs6000_build_va_list): Use make_lang_type.
9247 Thu Oct 7 00:36:17 1999 Diego Novillo <dnovillo@cygnus.com>
9249 * config/rs6000/rs6000.c (secondary_reload_class): For TARGET_ELF
9250 make sure that HIGH instructions are copied into BASE_REGS.
9252 Thu Oct 7 17:02:34 1999 Jason Merrill <jason@yorick.cygnus.com>
9254 * expr.c (expand_expr, TARGET_EXPR): Set TREE_USED sooner.
9256 Thu Oct 7 17:01:58 1999 Greg McGary <gkm@gnu.org>
9258 * c-decl.c (finish_struct): Use simpler method of
9259 removing elements of a singly-linked list.
9261 Thu Oct 7 15:23:28 1999 Michael Meissner <meissner@cygnus.com>
9263 * alpha.md (peephole2's): Comment out peephole2's that generate
9266 Thu Oct 7 12:00:53 1999 Richard Henderson <rth@cygnus.com>
9268 * genrecog.c (add_to_sequence): Disable mode check for
9271 Thu Oct 7 20:14:16 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9273 * ggc-simple.c (init_ggc): Set empty_string.
9275 Thu Oct 7 01:13:15 1999 Richard Henderson <rth@cygnus.com>
9277 * configure.in: Detect mmap. Add --with-gc=foo to select
9278 garbage collector; default to page if mmap available.
9279 * Makefile.in (GGC): Substitute.
9281 Wed Oct 6 23:56:30 1999 Richard Henderson <rth@cygnus.com>
9283 * c-decl.c (ggc_p): Enable.
9285 Wed Oct 6 17:17:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9287 * flow.c (verify_flow_info): Make it extern & unconditionally define.
9289 1999-10-06 Brendan Kehoe <brendan@cygnus.com>
9291 * sparc/sp86x-elf.h (SUBTARGET_SWITCHES): Add missing doc
9292 string for little-endian-data.
9294 Wed Oct 6 16:10:35 1999 Michael Meissner <meissner@cygnus.com>
9296 * varray.h (VARRAY_CHECK): Fix up appropriate revision check, in
9297 case somebody tries to compile --enable-checking code with gcc
9300 Wed Oct 6 12:22:50 1999 Richard Henderson <rth@cygnus.com>
9302 * genrecog.c (add_to_sequence): Verify operand to label_ref is
9305 Wed Oct 6 10:21:15 1999 Richard Henderson <rth@cygnus.com>
9307 * genconfig.c (main): Disable HAVE_conditional_arithmetic.
9308 * jump.c (jump_optimize_1): Document why.
9310 Wed Oct 6 10:41:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9312 * collect2.c (scan_prog_file, scan_libraries): Prototype function
9313 pointers and casts for `int_handler' and `quit_handler'.
9315 * flow.c (verify_flow_info, split_hard_reg_notes,
9316 find_insn_with_note, sets_reg_or_subreg_1, prepend_reg_notes,
9317 remove_edge, remove_fake_successors): Add static prototypes.
9318 (verify_flow_info): Wrap with macro ENABLE_CHECKING.
9319 (mark_set_1): Initialize variable `regno'.
9320 (unlink_insn_chain): Likewise for variable `curr'.
9321 (remove_fake_edges): Remove unused variables `e', `tmp' and `last'.
9323 * loop.c (strength_reduce): Initialize variable
9324 `unrolled_insn_copies'.
9325 (cmp_combine_givs_stats, cmp_recombine_givs_stats): Add static
9326 prototypes. Change these functions to take const PTR parameters
9327 to avoid prototype conflict when used as the comparson argument
9329 (check_dbra_loop): Initialize variable `comparison_val'.
9331 * reload.c (debug_reload_to_stream, debug_reload): Add prototypes.
9332 (get_secondary_mem): Mark parameter `x' with ATTRIBUTE_UNUSED.
9333 (find_valid_class): Initialize variable `best_class'.
9334 (find_reloads): Call memcpy, not bcopy.
9336 * reload1.c (gen_mode_int, dump_needs): Add prototypes.
9337 (hard_reg_use_compare): Don't needlessly cast away const.
9338 (reload_reg_class_lower): Likewise.
9339 (choose_reload_regs): Initialize variable `regno'.
9341 Tue Oct 5 16:34:12 1999 Paul Burchard <burchard@pobox.com>
9343 * ggc-page.c (GGC_ALWAYS_COLLECT): Fix typo when undef'ing.
9345 Tue Oct 5 16:14:40 1999 Michael Meissner <meissner@cygnus.com>
9347 * libgcc1-test.c (toplevel): Include stddef.h to get size_t.
9348 ({,d}discard): Add forward declarations. Declare parameter as
9350 (main_without_main): Explicitly declare return type to be int.
9351 (memcpy): Properly declare.
9353 * libgcc2.c (toplevel): If inhibit_libc is defined and not
9354 building the trampoline support, declare malloc, free, and
9356 (__clear_cache): Mark arguments as potentially unused.
9358 * frame.c (toplevel): If inhibit_libc is defined, declare
9361 Tue Oct 5 12:00:32 1999 Richard Henderson <rth@cygnus.com>
9363 * flow.c (make_edge): Accept an optional 2D bitmap in which
9364 to cache edge existence. Update all callers.
9365 (make_label_edge, make_eh_edge): Pass through the edge cache.
9366 (make_edges): Provide the cache.
9368 Tue Oct 5 12:16:49 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9370 * mbchar.c (literal_codeset, local_mbtowc, local_mblen): Constify
9372 (local_mbtowc): Change the type of variable `i' from int to size_t.
9374 * mbchar.h (ISSJIS1, ISSJIS2): Use parens around && within ||.
9375 (local_mbtowc, local_mblen, literal_codeset): Constify a char*.
9377 Tue Oct 5 11:34:52 1999 Michael Meissner <meissner@cygnus.com>
9379 * ggc-common.c (toplevel): Reorder includes, so that ggc.h comes
9380 after other includes that define the appropriate types. Include
9381 tm_p.h for getting user prototypes.
9382 * ggc-callbacks.c (toplevel): Ditto.
9383 * ggc-none.c (toplevel): Ditto.
9384 * gcc-page.c (toplevel): Ditto.
9385 * ggc-simple.c (toplevel): Ditto.
9387 Mon Oct 4 16:48:16 1999 Diego Novillo <dnovillo@cygnus.com>
9388 Jonathan Larmour <jlarmour@cygnus.co.uk>
9390 * config/mips/mips.c (mips_move_2words): Split doubles if
9391 ISA >= 3, !TARGET_64BIT, and destination is not an FP register.
9393 Mon Oct 4 21:47:31 1999 Richard Henderson <rth@cygnus.com>
9395 * genrecog.c (struct decision_test): New.
9396 (struct decision): Remove test-related members, sort the rest by size.
9397 (IS_SPLIT): Simplify.
9398 (new_decision, new_decision_test): New.
9399 (add_to_sequence): Use them. No special handling for args of
9401 (maybe_both_true): Renamed from not_both_true; return sense changed.
9402 (maybe_both_true_1, maybe_both_true_2): New. Broken out
9403 of maybe_both_true and adjusted for decision_test.
9404 (position_merit): Remove.
9405 (nodes_identical, nodes_identical_1): New, broken out of merge_trees.
9406 (merge_accept_insn): New, broken out of merge_trees.
9407 (merge_trees): Use them. No special case for c_test; no node
9408 splitting; use test type instead of position_merit.
9409 (factor_tests): New.
9410 (simplify_tests): New.
9411 (break_out_subroutines): Don't write code now.
9412 (find_afterward): New.
9413 (write_afterward, write_switch, write_cond): New.
9414 (write_action, is_unconditional): New.
9415 (write_node): New. Use them.
9416 (write_tree_1): Rewrite. Use the new functions above.
9417 (write_tree): Remove afterward processing.
9418 (write_subroutine): Simplify function variant emission.
9419 (write_subroutines): New.
9420 (same_codes, clear_codes): Remove.
9421 (same_modes, clear_modes): Remove.
9422 (write_header): New, broken out of main.
9423 (make_insn_sequence): Use new_decision and new_decision_test.
9424 (process_tree): New, broken out of main.
9425 (main): Adjust for merge_trees interface change.
9426 Don't #define operands in the output file.
9427 (record_insn_name): New, broken out of make_insn_sequence.
9428 (debug_decision_2, debug_decision_1, debug_decision_0): New.
9429 (debug_decision): New.
9431 1999-10-04 21:58 -0700 Zack Weinberg <zack@bitmover.com>
9433 * resource.c (find_free_register): Mark class_str argument const.
9434 * resource.h: Update prototype to match.
9436 * i386.h (PREDICATE_CODES): Add entry for long_memory_operand.
9437 * i386.md: Give all anonymous insns names.
9439 Mon Oct 4 21:12:02 1999 Jeffrey A Law (law@cygnus.com)
9441 * flow.c (merge_blocks): Avoid assing BASIC_BLOCK for non-existent
9444 Mon Oct 4 21:01:39 1999 Richard Henderson <rth@cygnus.com>
9446 * toplev.c (dbr_sched_time): Unconditional.
9447 (peephole2_time): New.
9448 (compile_file): Add pass numbers to all of the dump file suffixes.
9449 Dump peephole2_time. Don't dump times for non-applicable passes.
9450 (rest_of_compilation): Add pass numbers to dump file suffixes.
9451 Conditionalize calls to the scheduler.
9452 * invoke.texi: Update.
9454 Mon Oct 4 20:25:13 1999 Anthony Green <green@cygnus.com>
9456 * flow.c (make_edges): Fix insn iteration.
9457 (find_basic_blocks): Assign NULL_RTX, not 0, to rtx.
9458 (find_basic_blocks_1): Fix spelling mistake.
9460 Mon Oct 4 16:56:11 1999 Richard Henderson <rth@cygnus.com>
9462 * tree.c (build1): Set TREE_SIDE_EFFECTS for expressions that
9463 always have side-effects. Use memset not bzero.
9464 (make_node): Likewise.
9466 Mon Oct 4 16:22:20 1999 Mark Mitchell <mark@codesourcery.com>
9468 * stmt.c (expand_anon_union_decl): When any of the elements of the
9469 union is addressable, so is the entire union.
9471 Mon Oct 4 11:38:33 1999 Richard Henderson <rth@cygnus.com>
9473 * sbitmap.c (sbitmap_ones): Don't set too many bits.
9475 * bitmap.h (enum bitmap_bits): Add BITMAP_XOR.
9476 * bitmap.c (bitmap_operation): Return true iff TO changed.
9477 (bitmap_equal_p): New.
9478 (bitmap_bit_p): Tidy arithmetic.
9479 (debug_bitmap_file): Likewise.
9481 Mon Oct 4 11:28:37 1999 Richard Henderson <rth@cygnus.com>
9483 * toplev.c (rest_of_compilation): Turn on cse_not_expected
9484 before cse2 instead of after.
9486 Mon Oct 4 09:55:17 1999 Stan Cox <scox@cygnus.com>
9488 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Let leasi/liadi handle large
9491 Mon Oct 4 08:54:12 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9493 * cppinit.c (is_idchar initializer): Loosen tests to accept
9496 Mon Oct 4 02:31:20 1999 Mark Mitchell <mark@codesourcery.com>
9498 * mips.md: Define conditional move patterns for floating point
9499 operands and DI mode conditions.
9501 Mon Oct 4 02:12:41 1999 Mark Mitchell <mark@codesourcery.com>
9503 * tree.c (make_node): Set TREE_SIDE_EFFECTS for expressions that
9504 always have side-effects.
9506 Sun Oct 3 14:14:16 1999 Jeffrey A Law (law@cygnus.com)
9508 * mn10200.c (asm_file_start): Fix typo.
9510 * cppinit.c (is_idchar initializer): Tighten tests for when
9511 to put the table into initialized memory.
9513 * ggc-none.c (ggc_alloc_rtvec): An rtvec is an array of rtx,
9514 not an array of rtunion.
9515 * gcc-page.c (ggc_alloc_rtvec): Similarly.
9516 * gcc-simple (ggc_free_rtvec): Similarly.
9518 * genattrtab.c (simplify_cond): Make TESTS an array of rtxs, instead
9521 * mbchar.h: Add missing #endif.
9523 * t-fr30 (LIB2FUNCS_EXTRA): Remove definition.
9524 (FPBIT, DPBIT): Define.
9526 Sun Oct 3 12:44:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9528 * print-tree.c (print_node, indent_to): Remove redundant prototypes.
9530 * profile.c (instrument_arcs, output_gcov_string,
9531 tablejump_entry_p): Add static prototypes.
9532 (output_gcov_string): Constify a char*.
9534 * regmove.c (replacement_quality, fixup_match_2): Add static
9537 * resource.h (reg_dead_p): Add extern prototype.
9539 * rtl.c (trim_filename): Add static prototype.
9541 * scan-decls.c (skip_to_closing_brace): Likewise.
9543 * stmt.c (expand_decl_cleanup_no_eh): Hide definition.
9544 (expand_end_case): Initialize variable `range'.
9545 (emit_case_nodes): Remove unused prototype `rtx_fn'.
9547 * varasm.c (asm_emit_uninitialised): Add static prototype.
9548 (asm_emit_uninitialised, assemble_variable): Mark parameter with
9551 Sun Oct 3 12:24:52 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9553 * cpplib.c (if_directive_nameo): Add static prototype.
9555 * cse.c (cse_insn): Remove unused variable `p'.
9557 * except.c (create_rethrow_ref, push_entry,
9558 receive_exception_label, new_eh_region_entry, find_func_region,
9559 clear_function_eh_region, process_nestinfo): Add static prototypes.
9560 (get_reg_for_handler): Hide definition.
9561 (process_nestinfo): Initialize variable `extra_handlers'.
9563 * expr.h (expand_builtin_longjmp): Add extern prototype.
9565 * final.c (final_addr_vec_align, align_fuzz): Add static prototypes.
9567 * function.c (prepare_function_start): Likewise.
9568 (pop_function_context_from): Mark parameter `context' with
9570 (push_temp_slots_for_block, flush_addressof): Hide definition.
9572 * gcov.c (init_arc, reverse_arcs, create_program_flow_graph,
9573 solve_program_flow_graph, calculate_branch_probs,
9574 function_summary, main, fancy_abort): Add prototypes.
9576 * gen-protos.c (add_hash, parse_fn_proto, main): Likewise.
9577 (add_hash): Constify a char*.
9579 * ggc-common.c (ggc_mark_rtx_ptr, ggc_mark_tree_ptr,
9580 ggc_mark_tree_varray_ptr, ggc_mark_tree_hash_table_ptr,
9581 ggc_mark_string_ptr, ggc_mark_tree_hash_table_entry): Add prototypes.
9583 * integrate.c (expand_inline_function_eh_labelmap): Likewise.
9585 * lists.c (free_list, zap_lists): Likewise.
9587 Sun Oct 3 12:05:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9589 * alias.c (nonlocal_reference_p): Add static prototype.
9591 * bitmap.c (bitmap_element_allocate): Prototype args in function
9594 * builtins.c (stabilize_va_list): Add static prototype.
9595 (expand_builtin_va_arg): Constify a char*.
9597 * c-lex.c (getch, put_back, extend_token_buffer_to,
9598 read_line_number, token_getch, token_put_back): Add static
9601 * c-parse.gperf (hash, is_reserved_word): Likewise.
9603 * cccp.c (is_dir_separator): Likewise.
9605 Sat Oct 2 16:07:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9607 * graph.h: New file to prototype functions exported by graph.c.
9609 * Makefile.in (graph.o, toplev.o): Depend on graph.h.
9611 * graph.c: Include graph.h.
9613 * toplev.c: Likewise. Remove redundant prototypes.
9615 Sat Oct 2 11:28:33 1999 Krister Walfridsson <cato@df.lth.se>
9617 * invoke.texi: Removed duplicated description for -Q.
9619 Sat Oct 2 11:16:00 1999 Jim Kingdon <http://developer.redhat.com>
9621 * extend.texi: Grammar fix in __extension__ text.
9623 Sat Oct 2 11:06:31 1999 Richard Henderson <rth@cygnus.com>
9625 * md.texi (define_peephole2): New section.
9627 Sat Oct 2 10:57:56 1999 Jan Hubicka <hubicka@freesoft.cz>
9629 * i386.md (mov?i patterns): Fix handling of TARGET_USE_MOV0
9630 (mov $-1 to or peepholer): Enable for pentium when optimizing for
9633 Sat Oct 2 10:55:25 1999 Jan Hubicka <hubicka@freesoft.cz>
9635 * builtins.c (expand_builtin_strlen): Fix best mode searching loop.
9637 Sat Oct 2 10:53:22 1999 Jan Hubicka <hubicka@freesoft.cz>
9639 * i386.md (ffs expander): Emit Pentium friendly code for
9642 Sat Oct 2 02:48:21 1999 Mark P. Mitchell <mark@codesourcery.com>
9644 * tree.c (build): Don't look at TREE_SIDE_EFFECTS or TREE_RAISES
9648 Fri Oct 1 18:01:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9650 * i386elf.h (TARGET_DEFAULT): Use symbolic constants.
9652 Fri Oct 1 12:42:53 1999 Andreas Schwab <schwab@suse.de>
9654 * config/m68k/m68k.c (use_return_insn): Return false if the pic
9657 Fri Oct 1 10:56:06 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9659 * md.texi (No Constraints): Delete section.
9660 * Makefile.in (genattrtab.o): Don't depend on "insn-config.h".
9661 * final.c (final_scan_insn): We always have register constraints.
9662 * genattrtab.c: Don't include "insn-config.h".
9663 (write_attr_case): We always have register constraints.
9664 * genconfig.c (register_constraint_flag): Delete.
9665 (walk_insn_part): Don't check whether we have register constraints.
9666 (main): Don't write out "#define REGISTER_CONSTRAINTS".
9667 * genoutput.c (have_constraints): Delete.
9668 (main): Don't set it.
9669 (output_operand_data): We always have constraints.
9670 (scan_operands): Likewise.
9671 (compare_operands): Likewise.
9672 * local-alloc.c (block_alloc): We always have constraints.
9673 (requires_inout): Always compile this function.
9674 * recog.c (extract_insn): We always have constraints.
9675 (constrain_operands, reg_fits_class_p): Always compile these
9677 * recog.h (struct recog_data): Delete non-REGISTER_CONSTRAINTS
9679 (struct insn_operand_data): Likewise.
9680 * regclass.c (regclass): We always have constraints.
9681 (record_reg_classes, copy_cost, record_address_regs,
9682 auto_inc_dec_reg_p): Always compile these functions.
9683 * regmove.c (regmove_optimize): We always have constraints.
9684 * reload.c (find_reloads): Likewise.
9685 * reload1.c (reload): Likewise.
9686 (reload_cse_simplify_operands): Likewise.
9687 * i860.c (output_delay_insn): Likewise.
9689 Thu Sep 30 23:04:41 1999 Mark P. Mitchell <mark@codesourcery.com>
9691 * iris6.h (BUILD_VA_LIST_TYPE): Define.
9693 Thu Sep 30 18:44:50 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9695 * rs6000.c (rs6000_build_va_list): Create a TYPE_DECL node
9696 for the va_list record.
9698 Thu Sep 30 18:34:54 1999 Jan Hubicka <hubicka@freesoft.cz>
9700 * i386.c (ix86_adjust_cost): Ignore false ebp dependencies in
9703 Thu Sep 30 18:31:36 1999 Jan Hubicka <hubicka@freesoft.cz>
9705 * alias.c: Include insn-flags.h.
9706 * Makefile.in (alias.o): Update.
9708 Thu Sep 30 18:21:30 1999 Jan Hubicka <hubicka@freesoft.cz>
9710 * i386.c (ix86_expand_int_movcc): Convert LEU and GTU comparisons
9711 to LTU and GEU. Handle more cases using sbb.
9713 Thu Sep 30 18:18:39 1999 Jan Hubicka <hubicka@freesoft.cz>
9715 * i386.md (truncatexfdf splitters): Do not use subreg.
9716 (fop XFmode patterns): Fix mode in operand testing.
9718 Thu Sep 30 18:04:13 1999 Richard Henderson <rth@cygnus.com>
9720 * jump.c (jump_optimize_1): Amend last change to test only the
9721 form of the operand, not the insn.
9723 * jump.c (jump_optimize_1) [conditional_move]: Use general_operand
9724 not register_operand to determine when B may need preloading.
9726 Thu Sep 30 17:39:16 1999 Richard Henderson <rth@cygnus.com>
9728 * alpha.md (*): Use nonimmediate not general_operand for SET_DEST.
9729 (ffsdi2, extxl, insxh, mskxh): Add missing DImode to SET_SRC.
9730 (call-value patterns): Move to end of file.
9731 (*): Remove mode from label_ref in (pc) context.
9732 (movstrqi): Use memory not general_operand for BLKmode operands.
9733 (prologue_stack_probe_loop, builtin_longjmp): Add missing mode
9734 to register_operand operands.
9735 (peep2 patterns): Convert from commented-out peephole patterns.
9737 Thu Sep 30 14:39:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9739 * tree.h (enum built_in_function): Rename BUILT_IN_DWARF_REG_SIZE
9740 to BUILT_IN_INIT_DWARF_REG_SIZES.
9741 * builtins.c (expand_builtins, case BUILT_IN_INIT_DWARF_REG_SIZES):
9742 Renamed from BUILT_IN_DWARF_REG_SIZE; call
9743 expand_builtin_init_dwarf_reg_sizes.
9744 * c-decl.c (init_decl_processing): Replace __builtin_dwarf_reg_size
9745 with __builtin_init_dwarf_reg_size_table.
9746 * dwarf2out.c (struct reg_size_range): Delete.
9747 (expand_builtin_init_dwarf_reg_sizes): New function.
9748 (expand_builtin_dwarf_reg_size): Delete.
9749 * except.h (expand_builtin_init_dwarf_reg_sizes): Declare.
9750 (expand_builtin_dwarf_reg_size): Don't declare.
9751 * libgcc2.c (dwarf_reg_size_table_initialized): New.
9752 (dwarf_reg_size_table): New.
9753 (init_reg_size_table): New function.
9754 (copy_reg): Use dwarf_reg_size_table.
9755 (eh_context_initialize): Make sure dwarf_reg_size_table is initialized
9758 Thu Sep 30 05:40:34 1999 Richard Earnshaw <rearnsha@arm.com>
9760 * c-lang.c (finish_file case ndef ASM_OUTPUT_{CON,DE}STRUCTOR):
9761 Correctly build argument list to constructor and destructor functions.
9763 Thu Sep 30 00:13:27 1999 Dirk Zoller <duz@rtsffm.com>
9765 * c-tree.h (warn_float_equal): Declare.
9766 * c-decl.c (warn_float_equal): Define.
9767 (c_decode_option): Recognize -W[no-]float-equal.
9768 * c-typeck.c (build_binary_op): Conditionally warn
9769 about equality tests of floating point types.
9770 * toplev.c (documented_lan_options): Add -W[no-]float-equal.
9771 * invoke.texi: Add docs for -Wfloat-equal warning.
9773 Wed Sep 29 23:43:39 1999 Jeffrey A Law (law@cygnus.com)
9775 * h8300.h (INIT_TARGET_OPTABS): Use init_one_optab instead of
9776 generating RTL directly.
9777 * mips.h (INIT_TARGET_OPTABS): Likewise.
9778 * mn10200.h (INIT_TARGET_OPTABS): Likewise.
9780 * expr.h (init_mov_optab): Delete declaration
9782 * h8300.c (WORD_REG_USED): Update to avoid useless register
9783 saves in interrupt functions and functions which never return.
9785 * cse.c (struct set): Delete inner_dest_loc field.
9786 (cse_insn): Remove assignments to inner_dest_loc field.
9788 Wed Sep 29 16:06:20 1999 Richard Henderson <rth@cygnus.com>
9790 * ggc-page.c: Don't include <unistd.h> etc taken care of
9791 by "system.h". Include <sys/mman.h> afterward.
9793 Wed Sep 29 16:05:18 1999 Richard Henderson <rth@cygnus.com>
9795 * rs6000.c (rs6000_encode_section_info): If ggc_p, use
9798 Tue Sep 28 16:45:40 1999 David Edelsohn <edelsohn@gnu.org>
9800 * xcoffout.c (xcoffout_declare_function): Add documentation.
9801 * rs6000.c (num_insns_constant_wide): Use TARGET_POWERPC64 not
9802 TARGET_64BIT. Compare constant to -1, not bit pattern.
9803 (easy_fp_constant): Use TARGET_POWERPC64 not TARGET_64BIT.
9804 (expand_block_move): Allow 8 DImode loads for PowerPC64. Fix
9807 Tue Sep 28 16:43:14 1999 Nick Clifton <nickc@cygnus.com>
9809 * dwarf2out.c (add_abstract_origin_attribute): Abort if
9811 (gen_inlined_enumeration_type_die): Do not abort if the type has
9812 not been writeen out.
9813 (gen_inlined_structure_type_die): Do not abort if the type has
9814 not been writeen out.
9815 (gen_inlined_union_type_die): Do not abort if the type has
9816 not been writeen out.
9817 (gen_tagged_type_instantiation_die): Do not abort if the type
9818 has not been written out.
9820 Tue Sep 28 14:33:47 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9822 * c-decl.c (init_decl_processing): If MD_INIT_BUILTINS is defined,
9824 * reg-stack.c (straighten_stack): Copy hard reg set with
9827 Tue Sep 28 01:11:05 1999 Richard Henderson <rth@cygnus.com>
9829 * builtins.c (stabilize_va_list): Stabilize array type va_list
9830 to a pointer type, not the base record type.
9831 (expand_builtin_va_copy): Dereference the pointers explicitly;
9832 use the correct size for the copy.
9834 * rs6000.c (rs6000_va_start): Dereference valist to get to the record.
9835 (rs6000_va_arg): Likewise.
9837 Mon Sep 27 23:27:21 1999 Richard Henderson <rth@cygnus.com>
9839 * rtl.h (struct rtx_def): Move gc_mark to align mode field.
9841 Mon Sep 27 23:20:29 1999 Mark Mitchell <mark@codesourcery.com>
9843 * tree.h (struct tree_decl): Use `bclass', not `class', in name of
9845 (DECL_BUILT_IN_CLASS): Adjust accordingly.
9847 Mon Sep 27 23:03:16 1999 Richard Henderson <rth@cygnus.com>
9849 * ggc-page.c (GGC_MIN_LAST_ALLOCATED): New.
9850 (init_ggc): Use it instead of a constant.
9851 (ggc_collect): Bound allocated_last_gc by it.
9853 Mon Sep 27 19:06:04 1999 Jeffrey A Law (law@cygnus.com)
9855 * fixinc/fixinc.irix (stdio.h): Hack stdio.h to avoid problems
9858 Mon Sep 27 19:40:17 CEST 1999 Marc Espie <espie@cvs.openbsd.org>
9860 * configure.in (mips*el-*-openbsd*): Don't duplicate default settings.
9861 (mips*-*-openbsd*): Let big endian configuration be a fragment.
9863 * config/mips/openbsd.h: New, OpenBSD little endian target.
9864 * config/mips/openbsd-be.h: New, OpenBSD big endian target fragment.
9865 * config/mips/xm-openbsd.h: New, OpenBSD host.
9867 Mon Sep 27 10:28:48 1999 Andreas Schwab <schwab@suse.de>
9869 * config/m68k/m68k.c (output_function_prologue,
9870 output_function_epilogue): Use
9871 current_function_uses_pic_offset_table instead of regs_ever_live
9872 to decide whether to save/restore pic register.
9873 (legitimize_pic_address): Don't modify regs_ever_live any more.
9875 Sun Sep 26 10:55:36 1999 Mark Mitchell <mark@codesourcery.com>
9877 * function.h (struct function): Add x_dont_save_pending_sizes_p.
9878 * stor-layout.c (variable_size): Don't add sizes to the pending
9879 sizes list if x_dont_save_pending_sizes_p is set.
9881 Sun Sep 26 16:36:52 1999 Robert Lipe (robertlipe@usa.net)
9883 * config/i386/dgux.h (SELECT_RTX_SECTION): Provide dummy argument
9884 for symbolic_operand().
9885 * config/i386/sco5.h (SELECT_RTX_SECTION): Likewise.
9887 Sun Sep 26 07:37:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9889 * combine.c (gen_rtx_combine): Add missing call to va_end().
9891 * final.c (asm_fprintf): Likewise.
9893 * genattrtab.c (attr_rtx): Likewise.
9895 Sat Sep 25 13:11:07 1999 Jeffrey A Law (law@cygnus.com)
9897 * cse.c: Update comments.
9898 (cse_insn): When converting a conditional/computed jump into
9899 an unconditional jump, always make sure a BARRIER immediately
9900 follows the converted jump. Do not delete unreachable code.
9901 (cse_basic_block): Do not delete unreachable code.
9902 * toplev.c (rest_of_compilation): Move call to
9903 delete_trivially_dead_insns after the conditional call to
9906 Sat Sep 25 09:03:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9908 * collect2.c (make_temp_file): Don't prototype.
9910 * gcc.c (make_temp_file): Likewise.
9912 * mips.c (mips_make_temp_file): Renamed from `make_temp_file'.
9914 Sat Sep 25 13:42:15 1999 Nick Clifton <nickc@cygnus.com>
9916 * varasm.c (asm_emit_uninitialised): New function: Generate
9917 the assembler statements necessary to declare an uninitialised
9919 (ASM_EMIT_LOCAL): New macro: Emit a local, uninitialised
9921 (ASM_EMIT_BSS): New macro: Emit an entry in the bss section.
9922 (ASM_EMIT_COMMON): New macro: Emit an entry in the common
9924 (assemble_variable): Use asm_emit_uninitialised to emit an
9925 uninitialised variable.
9927 Fri Sep 24 17:10:56 1999 Nick Clifton <nickc@cygnus.com>
9929 * combine.c (simplify_comparison): Cope with downshifting a 32 bit
9930 constant on a 64 bit host. Patch supplied by Geoffrey Keating
9931 <geoffk@cygnus.com>.
9933 Fri Sep 24 10:48:10 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9935 * builtins.c (expand_builtin): Use MD_EXPAND_BUILTIN if defined.
9936 * c-common.h (builtin_function): Don't declare.
9938 * c-decl.c (duplicate_decls): Use DECL_BUILT_IN_CLASS rather than
9940 (pushdecl): Likewise.
9941 (finish_decl): Likewise.
9942 (builtin_function): New arg CLASS. Arg FUNCTION_CODE now of type
9943 int. All callers changed.
9944 Set the builtin's DECL_BUILT_IN_CLASS.
9945 * tree.h (enum built_in_class): New.
9946 (enum built_in_function): Delete NOT_BUILT_IN.
9947 (DECL_FUNCTION_CODE): The corresponding field in tree_decl is now
9949 (DECL_SET_FUNCTION_CODE): Likewise.
9950 (DECL_BUILT_IN_CLASS): New macro.
9951 (DECL_BUILT_IN): Use DECL_BUILT_IN_CLASS.
9952 (struct tree_decl): Split builtin function code field into a
9954 (builtin_function): Declare.
9956 Fri Sep 24 01:45:05 1999 Mark Mitchell <mark@codesourcery.com>
9958 * optabs.c (init_traps): Fix typo in last change.
9960 Fri Sep 24 01:10:11 1999 Mark Mitchell <mark@codesourcery.com>
9962 * toplev.c (rest_of_decl_compilation): Update comment.
9964 Fri Sep 24 11:57:06 1999 Geoffrey Keating <geoffk@cygnus.com>
9966 * config/mips/elf.h (ASM_OUTPUT_ALIGNED_BSS): Put the symbol
9967 in .sbss if appropriate.
9968 (EXTRA_SECTION_FUNCTIONS): Add sbss.
9969 (SBSS_SECTION_ASM_OP): New macro.
9970 * config/mips/linux.h (EXTRA_SECTION_FUNCTIONS): Add sbss.
9971 (EXTRA_SECTIONS): Add in_sbss.
9972 * config/mips/mips.h: Prototype sbss_section.
9974 Thu Sep 23 18:18:55 1999 Mark Mitchell <mark@codesourcery.com>
9976 * stmt.c (expand_start_bindings): Don't allow cleanup instructions
9979 Thu Sep 23 18:07:01 1999 Mark Mitchell <mark@codesourcery.com>
9981 * optabs.c (init_traps): Register trap_rtx as a GC root.
9983 Thu Sep 23 17:41:47 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9985 * config/mips/mips.c (function_arg_pass_by_reference): Define
9986 unconditionally, since it's called unconditionally.
9988 Thu Sep 23 13:40:02 1999 Jason Merrill <jason@yorick.cygnus.com>
9990 * toplev.c (documented_lang_options): Add -fshort-wchar.
9991 * c-decl.c (c_decode_option): Likewise.
9992 (init_decl_processing): If -fshort-wchar, use 'short unsigned int'
9994 * c-common.c, c-lex.c: Get WCHAR_TYPE_SIZE from wchar_type_node.
9995 * gcc.c (default_compilers): If -fshort-wchar,
9996 override __WCHAR_TYPE__.
9997 * tm.texi (C Dialect Options): Add -fshort-wchar.
9999 * dwarf2out.c (output_aranges): Use DW_AT_location to find the
10000 symbol for a variable.
10002 * cpplib.h (CPP_PREPROCESSED): New macro.
10003 * cpplib.c (handle_directive): Don't complain about `# NUMBER' if
10004 we're seeing this input for a second time.
10006 Thu Sep 23 12:54:49 1999 Alex Samuel <samuel@codesourcery.com>
10008 * emit-rtl.c (init_emit_once): Initialize modes first.
10010 Sun Sep 19 01:23:23 1999 Alex Samuel <samuel@codesourcery.com>
10012 * config/i386/i386.c (pic_label_name): Change to char pointer.
10013 (global_offset_table): New variable.
10014 (load_pic_register): Fill global_offset_table if it hasn't
10015 already been done. Allocate pic_label_name dynamically.
10016 * ggc.h (empty_string): New variable.
10017 * ggc-simple.c (empty_string): Likewise.
10018 (init_ggc): Allocate empty_string and add as root.
10019 * stmt.c (digit_strings): New variable.
10020 (init_stmt): Add last_block_end_note as root. Allocate and
10021 initialize digit_strings.
10022 (expand_asm_operands): Use empty_string instead of string
10023 constant. Use digit_strings instead of string constants.
10024 * profile.c (init_arc_profiler): Allocate string with
10025 ggc_alloc_string instead of xmalloc.
10026 (output_func_start_profiler): Likewise.
10027 * c-typeck.c (digest_init): Check if init is error_mark_node.
10029 Thu Sep 23 12:59:14 1999 Alex Samuel <samuel@codesourcery.com>
10030 Richard Henderson <rth@cygnus.com>
10032 * ggc-page.c: New file.
10033 * Makefile.in (ggc-page.o): New.
10035 Thu Sep 23 13:55:21 1999 Jeffrey A Law (law@cygnus.com)
10037 * invoke.texi: Document -fdelete-null-pointer-checks
10038 * toplev.c (flag_delete_null_pointer_checks): New.
10039 (f_options): Add entry for -fdelete-null-pointer-checks.
10040 (rest_of_compilation): Conditionalize null pointer check
10041 elimination on flag_delete_null_pointer_checks.
10042 (main): If -O2 or greater, enable -fdelete-null-pointer-checks
10044 1999-09-23 10:56 -0700 Zack Weinberg <zack@bitmover.com>
10046 * iso646.h, stdarg.h, stdbool.h, stddef.h, varargs.h: Add
10047 copyright notice and special exception to GPL.
10049 Thu Sep 23 13:40:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10051 * abi64.h (mips_function_value): Add prototype arguments.
10053 * mips-protos.h: New file with mips prototypes.
10055 * mips.c: Include "tm_p.h".
10056 (mktemp, lookup_name): Add prototype arguments.
10057 (extern_list, string_constant, mips_fill_delay_slot,
10058 mips_output_external, mips_output_external_libcall,
10059 mips_output_filename, mips_declare_object, function_prologue,
10060 mips_expand_prologue, function_epilogue, mips16_constant,
10061 build_mips16_function_stub, mips_output_conditional_branch):
10063 (mips_va_start): Remove unused variable `u'.
10064 (mips_va_arg): Cast value to unsigned when comparing against one.
10066 (save_restore_insns, mips_expand_prologue): Add missing arg in
10067 call to `large_int'.
10069 * mips.h: Move prototypes to mips-protos.h.
10070 (data_section, memory_address_p, rdata_section,
10071 readonly_data_section, simple_epilogue_p, text_section): Delete
10072 prototypes delcared elsewhere.
10073 (mips_epilogue_delay_slots, print_options): Delete unused decls.
10075 (GO_PRINTF, GO_PRINTF2): Call fprintf, not trace.
10077 * mips.md: Delete extra args in call to `mips_move_2words'.
10079 * xm-iris6.h (alloca): Add prototype argument.
10081 * genpeep.c: Include "tm_p.h" in generated output file.
10083 Thu Sep 23 10:36:55 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
10085 * basic-block.h (find_edge_index): Change parameters.
10086 * flow.c (verify_edge_list): Pass basic_block parameters to
10087 find_edge_index instead of integers.
10089 Thu Sep 23 15:54:12 1999 Nick Clifton <nickc@cygnus.com>
10091 * combine.c (simplify_comparison): Use an unsigned shift to adjust
10094 Thu Sep 23 08:46:21 1999 Guy Harris <guy@netapp.com>
10096 * gcc.1: Fix a formatting error.
10098 Wed Sep 22 16:10:21 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
10100 * install.texi (Configurations): Remove pyramid. Add fr30, i686,
10101 i786, mn10200, mn10300, pdp11, v850.
10103 Thu Sep 23 07:37:13 1999 Dan Nicolaescu <dann@ics.uci.edu>
10105 * libgcc2.c (num_digits): Add prototype with
10106 __attribute__((const)).
10107 (__terminate): Add prototype.
10109 Thu Sep 23 05:32:06 1999 Richard Henderson <rth@cygnus.com>
10111 * builtins.c, dbxout.c, varasm.c: Include tm_p.h.
10113 * alpha/alpha.c (print_operand): Fix type of `code'.
10114 (alpha_output_filename): Constify.
10115 * alpha/alpha.h: Move all function declarations ...
10116 * alpha/alpha-protos.h: ... here. New file.
10117 * alpha/elf.h (CONST_SECTION_FUNCTION): Prototype the function.
10118 (SECTION_FUNCTION_TEMPLATE): Likewise.
10120 Thu Sep 23 11:15:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10122 * expmed.c (do_cmp_and_jump): Pass ccp_jump to can_compare_p.
10123 * expr.c (expand_expr): Likewise.
10124 (do_jump): Likewise.
10125 (do_store_flag): Pass ccp_store_flag to can_compare_p.
10126 * expr.h (enum optab_index): Add cbranch, cmov, cstore optabs and
10128 (enum can_compare_purpose): New.
10129 (can_compare_p): Adjust prototype.
10130 (prepare_cmp_insn, prepare_operand): Declare.
10131 * genopinit.c (optabs): Add cbranch_optab, cmov_optab, cstore_optab.
10132 * optabs.c (cmp_available_p): Deleted.
10133 (expand_abs): Pass ccp_jump to can_compare_p.
10134 (can_compare_p): New arg PURPOSE. Check for combined optabs.
10135 (prepare_cmp_insn): No longer static. Add arg PURPOSE.
10136 Call can_compare_p rather than cmp_available_p.
10137 (prepare_operand): No longer static.
10138 (emit_cmp_and_jump_insn): Check for and use cbranch patterns.
10139 (emit_cmp_and_jump_insns): Pass ccp_jump to prepare_cmp_insn.
10140 (expand_float): Fix a slightly broken emit_cmp_insn/emit_jump_insn
10141 sequence to use emit_cmp_and_jump_insns.
10142 (init_optabs): Initialize cbranch_optab, cmov_optab, cstore_optab.
10144 Wed Sep 22 17:58:01 1999 Stan Cox <scox@cygnus.com>
10146 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Don't accept large
10147 register offsets; let LEGITIMIZE_ADDRESS load it into a register.
10148 (LEGITIMIZE_ADDRESS): Use plus_constant to avoid
10149 (plus (reg) (const_int 0))
10150 * mips.md (call_internal3c): New pattern for -mips16 -mlong-calls.
10152 Wed Sep 22 17:55:31 1999 David Edelsohn <edelsohn@gnu.org>
10154 * rs6000.c (expand_block_move): DImode loads and stores require
10155 word-aligned displacements. Increment address registers with
10156 adddi3 on 64-bit platform. Use TARGET_POWERPC64 not TARGET_64BIT.
10158 Wed Sep 22 17:35:55 1999 Michael Meissner <meissner@cygnus.com>
10160 * dwarf2out.c (base_type_die): Use the name __unknown__ if there
10161 is no name for the base type, rather than segfault. If we are
10162 writing out a complex integer type, use DW_ATE_lo_user.
10164 * expr.c (emit_move_insn_1): If we are copying a complex that fits
10165 in one word or less (complex char, complex short, or on 64 bit
10166 systems complex float) to/from a hard register, copy it through
10167 memory instead of dying in gen_{real,imag}part. If we have a
10168 short complex type, prevent inlining since it allocates stack
10171 * tree.c (build_complex_type): If we are writing dwarf2 output,
10172 generate a name for complex integer types.
10174 Wed Sep 22 11:34:08 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
10176 * basic-block.h (add_noreturn_fake_exit_edges): Use correct name.
10177 * flow.c (remove_edge): Remove extra whitespace.
10178 (remove_fake_edges): Fix comment.
10179 (add_noreturn_fake_exit_edges): Use the correct name.
10181 Wed Sep 22 16:12:40 BST 1999 Nathan Sidwell <nathan@acm.org>
10183 * Makefile.in (INTL_MOSTLYCLEAN, INTL_CLEAN): New variables.
10184 (mostlyclean): Depend on INTL_MOSTLYCLEAN.
10185 (clean): Depend on INTL_CLEAN.
10186 (maintainer-clean): Adjust.
10188 Wed Sep 22 10:18:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10190 * configure.in (AC_PREREQ): Bump to 2.13.
10191 (AC_C_STRINGIZE): Call this instead of using a custom macro.
10193 * gansidecl.h (HAVE_STRINGIZE): Define, if stage2 gcc && __STDC__.
10195 * system.h (HAVE_STRINGIZE): Test this instead of HAVE_CPP_STRINGIFY.
10197 * acconfig.h (HAVE_CPP_STRINGIFY): Delete.
10199 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Delete.
10200 (HAVE_STRINGIZE): Define.
10202 Wed Sep 22 06:25:15 1999 Jim Kingdon <http://developer.redhat.com>
10204 * c-parse.in: save and restore warn_pointer_arith on __extension__
10205 along with pedantic.
10206 (SAVE_WARN_FLAGS, RESTORE_WARN_FLAGS): Added.
10207 Set the type of extension to itype rather than $<itype>1 kludge.
10208 * extend.texi (Alternate Keywords): Adjust documentation.
10209 * c-parse.c, c-parse.y, objc-parse.c, objc-parse.y: Rebuilt.
10211 Wed Sep 22 06:06:57 1999 Jeffrey A Law (law@cygnus.com)
10213 * pa.c, pa.h, pa.md: Support multiple assembler dialects in
10214 most assembler templates.
10216 * pa.c (hppa_legitimize_address): Handle full offsets for PA2.0
10217 FP loads and stores.
10218 (following_call): Always return zero for the PA8000.
10219 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Handle full offsets for PA2.0
10220 FP loads and stores.
10221 (LEGITIMIZE_RELOAD_ADDRESS): Similarly.
10223 * pa.h (BRANCH_COST): Define.
10225 * pa.md (return, return_internal): Use bve for PA2.0.
10227 * pa.md (fused multiply): Add variants which reduce height for the
10228 fused multiply, but which still generate 2 insns.
10229 (fnegabs): Similarly.
10231 * pa.md (subsi3): Turn into an expander. Create two anonymous
10232 patterns. One for PA2.0 one for PA1.x. Use mtsarcm for PA2.0.
10233 * pa.h (EXTRA_CONSTRAINT): Handle 'S'.
10235 * pa.md (floatunssisf2, floatunssidf2): Generate different RTL
10237 (floatunssidf2_pa20, floatunssisf2_pa20): New patterns for PA2.0
10239 (floatunsdisf2, floatunsdidf2, fixuns_truncsfsi2): Likewise.
10240 (fixuns_truncdfsi2, fixuns_truncsfdi2, fixuns_truncdfsi2): Likewise.
10242 * regclass.c (init_regs): Add "top_of_stack" as a garbage
10245 * flow.c (record_active_eh_regions): Terminate loop after finding
10246 the last insn in the last basic block.
10248 Wed Sep 22 20:25:00 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10250 * config/c4x/c4x.md: Delete parallel instruction peepholes.
10252 Wed Sep 22 19:59:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10254 * config/c4x/c4x.c (c4x_add_gc_roots): Add tree roots.
10256 Wed Sep 22 19:56:25 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10258 * config/c4x/c4x.c (c4x_process_after_reload): Rework machdep insn
10259 splitting to not use output template.
10261 Wed Sep 22 19:50:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10263 * config/c4x/c4x.h (EXPAND_BUILTIN_VA_START): Call c4x_va_start.
10264 * config/c4x/c4x.c (c4x_va_start): New function.
10266 Tue Sep 21 18:40:01 1999 Jan Hubicka <hubicka@freesoft.cz>
10268 * genrecog.c (not_both_true): Handle correctly cases when called for
10269 tests with different positions in the insn.
10271 Tue Sep 21 18:29:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10273 * machmode.h (HOST_PTR_PRINTF): Move from here ...
10275 * system.h (HOST_PTR_PRINTF): ... to here.
10277 * mips-tfile.c: Don't include machmode.h.
10279 * Makefile.in (MACHMODE_H): New variable. Update to use it.
10280 (mips-tfile.o): Don't depend on machmode.h.
10282 Tue Sep 21 18:27:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10284 * haifa-sched.c (sched_analyze): Rename local variable `region' to
10285 avoid conflicts with typedef struct `region' at the top level scope.
10287 Tue Sep 21 14:14:50 1999 Richard Henderson <rth@cygnus.com>
10289 * basic-block.h (basic_block): Add eh_beg, eh_end.
10290 * flow.c (entry_exit_blocks): Update.
10291 (find_basic_blocks): Don't allocate bb_eh_end, or pass it around.
10292 Call new functions.
10293 (find_basic_blocks_1): Don't record eh_list at each bb. Use
10294 lists.c functions to allocate insn lists.
10295 (make_edges): Use eh_beg+eh_end, not the lists. Split out EH
10297 (make_eh_edge): ... here. New.
10298 (move_stray_eh_region_notes): New.
10299 (record_active_eh_regions): New.
10300 (delete_unreachable_blocks): Split out block merging ...
10301 (try_merge_blocks): ... here. New.
10302 (merge_blocks_move_predecessor_nojumps): Remove edge arg.
10303 Dump debugging data.
10304 (merge_blocks_move_successor_nojumps): Likewise.
10305 (merge_blocks): Use eh_beg+eh_end to validate block movement.
10307 Tue Sep 21 11:15:03 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
10309 * extend.texi (Bound member functions): Document unbound pmf
10312 Tue Sep 21 14:55:11 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
10314 * flow.c (split_edge): Handle insertion on a fallthrough edge which
10315 has the EXIT_BLOCK as a dest.
10317 Tue Sep 21 14:51:23 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
10319 * flow.c (remove_edge): New function to remove an edge from the
10321 (remove_fake_successors): New function to remove fake successor edges.
10322 (remove_fake_edges): New function to remove all fake edges from the
10324 (add_fake_exit_edges): New function to add fake edges from all blocks
10325 with no successors to the exit block.
10326 * basic-block.h (remove_fake_edges, add_fake_exit_edges): Add
10327 prototypes for new functions.
10329 Tue Sep 21 14:49:53 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
10331 * config/mips/elf64.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR):
10332 Use Pmode to determine whether to output .dword or .word.
10334 Tue Sep 21 11:04:34 1999 Alex Samuel <samuel@codesourcery.com>
10336 * tree.c (built_in_filename): New variable.
10337 (BUILT_IN_FILENAME): New macro.
10338 (init_tree_codes): Allocate built_in_filename.
10339 (make_node): Use built_in_filename instead of string constant.
10341 Tue Sep 21 14:13:27 1999 Nick Clifton <nickc@cygnus.com>
10343 * configure.in: Add fr30 target.
10344 * configure: Regenerate.
10345 * config/fr30: New directory.
10346 * config/fr30/crti.asm: New file.
10347 * config/fr30/fr30.c: New file.
10348 * config/fr30/crtn.asm: New file.
10349 * config/fr30/fr30.h: New file.
10350 * config/fr30/fr30.md: New file.
10351 * config/fr30/lib1funcs.asm: New file.
10352 * config/fr30/t-fr30: New file.
10353 * config/fr30/xm-fr30.h: New file.
10355 Tue Sep 21 06:45:31 1999 Jeffrey A Law (law@cygnus.com)
10357 * flow.c (merge_blocks_move_successor_nojumps): Delete the
10358 BARRIER at the end of the successor, not the BARRIER before
10361 * pa.c (pa_add_gc_roots): Fix thinko in last change.
10363 Tue Sep 21 05:29:17 1999 Richard Earnshaw (rearnsha@arm.com)
10365 * stmt.c (any_pending_cleanups): Don't crash when
10366 current_function->stmt is unset.
10368 Tue Sep 21 00:59:49 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10370 * emit-rtl.c (init_emit_once): Initialize const_int_rtx before
10371 other initializations that may use it for relative offsets.
10373 Mon Sep 20 21:43:25 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10375 * config/i386/sol2.h (PREFERRED_DEBUGGING_TYPE): Use stabs.
10376 (ASM_SPEC): Moved from sol2dbg.h. Added work-around for gas.
10377 * config/i386/sol2dbg.h: Removed.
10378 * config/i386/sol2gas.h: New file, to enable gas work-around.
10379 * configure.in: Use i386/sol2gas.h on Solaris/x86 --with-gas.
10380 Don't use sol2dbg.h.
10381 * configure: Rebuilt.
10383 Mon Sep 20 13:29:41 1999 Mark Mitchell <mark@codesourcery.com>
10385 * invoke.texi (-fthis-is-variable): Remove documentation.
10387 Mon Sep 20 12:59:16 1999 Richard Henderson <rth@cygnus.com>
10389 * basic-block.h (compute_bb_for_insn): Declare.
10390 * flow.c (compute_bb_for_insn): Export. Don't accept the varray
10391 to use; set size of basic_block_for_insn directly.
10392 (find_basic_blocks): Update.
10394 Mon Sep 20 15:11:54 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10396 * flow.c (verify_flow_info): Fix typo, "abort;" -> "abort ();".
10398 Mon Sep 20 14:56:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10400 * crtstuff.c (ON_EXIT): Delete empty macro definition.
10401 (__do_global_ctors_aux): Call atexit(), not ON_EXIT().
10403 Mon Sep 20 15:25:35 1999 Nick Clifton <nickc@cygnus.com>
10405 * c-decl.c (c_decode_option): Extend comment.
10407 Mon Sep 20 14:43:37 1999 Nick Clifton <nickc@cygnus.com>
10409 * toplev.c (progname): Make 'const char *'
10410 (flag_print_mem): Move out of main.
10411 (version_flag): Move out of main.
10412 (filename): Move out of main.
10413 (debug_args): Remove g prefix from options.
10414 (documented_lang_options): Remove cpplib specific options.
10415 (display_help): Add g prefix to debug options.
10416 (check_lang_option): Delete this function.
10417 (decode_d_option): New function: Decode -d... option.
10418 (decode_f_option): New function: Decode -f... option.
10419 (decode_W_option): New function: Decode -W... option.
10420 (decode_g_option): New function: Decode -g... option.
10421 (independent_decode_option): New function: Decode a language
10422 independent command line option.
10423 (main): Invoke lang_decode_option and then
10424 independent_decode_option on each command line option in
10427 Mon Sep 20 05:41:36 1999 Jeffrey A Law (law@cygnus.com)
10429 Revert this change. Gavin's patch to operand_equal_p is a better fix.
10430 * fold-const.c (fold_range_test): Do not try to fold the range
10431 test if the rhs or lhs has side effects.
10433 * basic-block.h (compute_flow_dominators): Declare.
10435 * gcse.c (alloc_code_hoist_mem): New function.
10436 (free_code_hoist_mem, compute_code_hoist_vbeinout): Likewise.
10437 (compute_code_hoist_data, hoist_expr_reaches_here_p): Likewise.
10438 (hoist_code, one_code_hoisting_pass): Likewise.
10439 (gcse_main): If optimizing for size, then hoist expressions
10440 computed in multiple dominated basic blocks.
10442 * gcse.c (invalid_nonnull_info): New function.
10443 (delete_null_pointer_checks): Likewise.
10444 * rtl.h (delete_null_pointer_checks): Declare.
10445 * toplev.c (rest_of_compilation): Call delete_null_pointer_checks.
10447 * flow.c (merge_blocks_move_predecessor_nojumps): New function.
10448 (merge-blocks_move_successor_nojumps): Likewise.
10449 (merge_blocks): Allow merging of some blocks, even if it requires
10450 physical movement of the blocks, but not if it requires new jumps.
10452 * bitmap.c (debug_bitmap_file): Renmaed from bitmap_debug_file.
10453 Callers and prototype changed.
10454 * bitmap.h: Fix debug_bitmap and debug_bitmap_file prototypes.
10456 Mon Sep 20 06:56:32 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10458 * config/sparc/sol2.h (LINK_SPEC): Avoid the duplication of
10459 -YP when both -p and -pg are present. From i386/sol2.h.
10461 Mon Sep 20 10:49:05 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10463 * Makefile.in (distclean): Delete tm_p.h.
10464 * configure.in: Create a new file, "tm_p.h", from a list in
10465 "tm_p_file". For ix86 systems, set up "tm_p_file" to include
10466 "i386/i386-protos.h".
10468 * alias.c: Include "tm_p.h".
10469 * c-typeck.c: Likewise.
10470 * calls.c: Likewise.
10472 * emit-rtl.c: Likewise.
10473 * explow.c: Likewise.
10474 * expmed.c: Likewise.
10475 * expr.c: Likewise.
10476 * final.c: Likewise.
10477 * flow.c: Likewise.
10478 * fold-const.c: Likewise.
10479 * function.c: Likewise.
10480 * gcse.c: Likewise.
10481 * global.c: Likewise.
10482 * haifa-sched.c: Likewise.
10483 * integrate.c: Likewise.
10484 * jump.c: Likewise.
10485 * local-alloc.c: Likewise.
10486 * loop.c: Likewise.
10487 * optabs.c: Likewise.
10488 * recog.c: Likewise.
10489 * reg-stack.c: Likewise.
10490 * regclass.c: Likewise.
10491 * regmove.c: Likewise.
10492 * reload.c: Likewise.
10493 * reload1.c: Likewise.
10494 * reorg.c: Likewise.
10495 * resource.c: Likewise.
10496 * stmt.c: Likewise.
10497 * stor-layout.c: Likewise.
10498 * toplev.c: Likewise.
10499 * tree.c: Likewise.
10500 * unroll.c: Likewise.
10501 * genattrtab.c (main): Make generated file include "tm_p.h".
10502 * genemit.c (main): Likewise.
10503 * genoutput.c (main): Likewise.
10504 * genrecog.c (main): Likewise.
10506 * i386.h: Delete all prototypes.
10507 * i386.c: Include "tm_p.h".
10508 (ix86_attr_length_default): Call constant_call_address_operand
10509 with correct number of arguments.
10510 * i386-protos.h: New file.
10511 * i386.md (unnamed patterns): Call constant_call_address_operand
10512 with correct number of arguments.
10513 (exception_receiver): Call load_pic_register with correct number
10516 Sun Sep 19 14:18:39 1999 Richard Henderson <rth@cygnus.com>
10518 * c-pragma.c (mark_align_stack): Dereference the void* properly.
10520 Sun Sep 19 09:03:40 1999 Mark Mitchell <mark@codesourcery.com>
10522 * rtl.h (insns_safe_to_move_p): New function.
10523 * loop.c (find_and_verify_loops): Use it.
10524 * rtlanal.c (insns_safe_to_move_p): Define it.
10526 Sun Sep 19 02:54:33 1999 Richard Henderson <rth@cygnus.com>
10528 * c-pragma.c: Include ggc.h.
10529 * Makefile.in (c-pragma.o): Update.
10531 Sat Sep 18 16:01:18 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10533 * config/i386/sol2.h (CPP_SPEC): Support -[p]threads
10534 (LIB_SPEC): Likewise.
10535 (LINK_SPEC): Do not assert -z text with -shared -mimpure-text.
10536 Reindent -YP/-p/-pg.
10537 Copied from config/sparc/sol2.h.
10539 Sat Sep 18 11:52:43 1999 Richard Henderson <rth@cygnus.com>
10541 * c-pragma.c (mark_align_stack): New.
10542 (init_pragma): New.
10543 * c-pragma.h (init_pragma): Declare it.
10544 * c-lex.c (init_parse): Call it.
10546 Sat Sep 18 15:20:38 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10548 * configure.in: Pick up thread library on Solaris/x86 just
10549 like on Solaris/sparc.
10550 * configure: Rebuilt.
10552 Sat Sep 18 11:15:58 1999 Alex Samuel <samuel@codesourcery.com>
10554 * rtl.h (global_rtx_index): New enum.
10555 (global_rtl): Change to array of rtx.
10556 (pc_rtx, cc0_rtx): Redefine accordingly.
10557 (cc0_rtx, stack_pointer_rtx, frame_pointer_rtx): Likewise.
10558 (hard_frame_pointer_rtx, arg_pointer_rtx): Likewise.
10559 (virtual_incoming_args_rtx, virtual_stack_vars_rtx): Likewise.
10560 (virtual_outgoing_args_rtx, virtual_cfa): Likewise.
10561 (const_int_rtx): Change to array of rtx.
10562 (const0_rtx, const1_rtx, const2_rtx, constm1_rtx): Redefine
10564 * emit-rtl.c (global_rtl): Change to array of rtx.
10565 (const_int_rtx): Change to aray of rtx.
10566 (gen_rtx_CONST_INT): Redefine accordingly.
10567 (init_emit_once): Allocate and initialize global_rtl. Likewise
10568 for const_int_rtx. Add both as GC roots.
10569 * genattrtab.c (global_rtl): Update declaration.
10571 1999-09-17 Ulrich Drepper <drepper@cygnus.com>
10573 * Makefile (USER_H): Add iso646.h back.
10575 Sat Sep 18 01:07:21 1999 Jeffrey A Law (law@cygnus.com)
10577 * haifa-sched.c (sched_analyze): Use free_INSN_LIST_list instead of
10578 zapping the LOG_LINKS of sched_before_next_call.
10580 * pa.h (INSN_SETS_ARE_DELAYED): Delete.
10581 * pa.c (insn_refs_are_delayed): Renamed from
10582 insn_sets_and_refs_are_delayed.
10584 Fri Sep 17 15:19:01 1999 Mark Mitchell <mark@codesourcery.com>
10586 * functiion.h (struct function): Add x_whole_function_mode_p.
10587 (retrofit_block): Declare.
10588 * function.c (retrofit_block): New function.
10589 (identify_blocks): Add assertions. Allow an incomplete set of
10590 block notes if we're still generating code for the function.
10591 * integrate.c: Include loop.h.
10592 (expand_inline_function): Call find_loop_tree_blocks to map block
10593 notes to blocks when in whole-function mode. Use retrofit_block
10594 to insert new BLOCKs for the inlined function, rather than
10596 * stmt.c (expand_fixup): Likewise. Don't use pushlevel/polevel.
10597 * Makefile.in (integrate.o): Depend on loop.h.
10599 Fri Sep 17 15:11:20 1999 Mark Mitchell <mark@codesourcery.com>
10601 * tree.h (warn_about_unused_variables): Declare.
10602 * stmt.c (warn_about_unused_variables): New function, split out
10604 (expand_end_bindings): Here.
10606 Fri Sep 17 15:07:37 1999 Mark Mitchell <mark@codesourcery.com>
10608 * stmt.c (preserve_subexpressions_p): Don't crash when
10609 current_function->stmt is unset.
10611 Fri Sep 17 15:03:16 1999 Mark Mitchell <mark@codesourcery.com>
10613 * stmt.c (expand_start_bindings): Allow callers to pass a flag
10614 indicating that no NOTE_INSN_BLOCK_BEG note is required.
10615 (expand_start_target_temps): Use it.
10616 * except.c (expand_eh_region_start_for_decl): Likewise.
10617 * expr.c (expand_expr): Likewise.
10619 Fri Sep 17 15:05:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
10621 * fold-const.c (operand_equal_p): Pay attention to side effects.
10623 Fri Sep 17 11:14:17 1999 Jason Merrill <jason@yorick.cygnus.com>
10625 * libgcc2.c (L_exit): Check for ON_EXIT, not HAVE_ON_EXIT.
10626 * sparc/sunos4.h (HAVE_ON_EXIT): Remove.
10628 * tlink.c (scan_linker_output): Look for keywords before accepting
10629 a mangled name in quotes.
10631 Thu Sep 16 16:47:08 1999 Richard Henderson <rth@cygnus.com>
10633 * alpha/alpha-interix.h (DWARF2_UNWIND_INFO): Define to zero.
10634 * alpha/osf2or3.h (DWARF2_UNWIND_INFO): Likewise.
10636 Thu Sep 16 16:35:41 1999 Richard Henderson <rth@cygnus.com>
10638 * alpha.md: Revert Thu Nov 26 change that came in through the
10639 last gcc2 merge: reinstate (plus (plus ...)) reload patterns.
10640 Avoid earlyclobber when possible.
10642 Thu Sep 16 18:44:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10644 * libgcc2.c (__do_global_ctors): Call atexit with one arg.
10646 * sparc/sunos4.h (on_exit): Wrap prototype parameters in PARAMS().
10647 Define HAVE_ON_EXIT.
10649 Thu Sep 16 18:06:35 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10651 * system.h (CTYPE_CONV, TOUPPER, TOLOWER): New macros. Use
10652 CTYPE_CONV in all ctype macros.
10654 * cccp.c (initialize_char_syntax): Use uppercase ctype macro
10657 * cexp.y (initialize_random_junk): Likewise.
10659 * c4x.c (c4x_interrupt_function_p, c4x_handle_pragma): Likewise.
10661 * i370.c (handle_pragma): Likewise.
10663 * i370.h (ASM_OUTPUT_LABELREF, ASM_OUTPUT_ASCII): Likewise.
10665 * v850.c (override_options): Likewise.
10667 * doprint.c (_doprnt): Likewise.
10669 * fixinc/fixincl.c (main, quoted_file_exists, extract_quoted_files):
10672 * fixinc/server.c (load_data): Likewise.
10674 * fold-const.c (real_hex_to_f): Likewise.
10676 * genattr.c (write_upcase, gen_attr): Likewise.
10678 * genattrtab.c (convert_const_symbol_ref, evaluate_eq_attr,
10679 write_upcase): Likewise.
10681 * genemit.c (print_code): Likewise.
10683 * genopinit.c (gen_insn): Likewise.
10685 * genpeep.c (print_code): Likewise.
10687 * genrecog.c (print_code): Likewise.
10689 * optabs.c (init_libfuncs): Likewise.
10691 Thu Sep 16 14:03:32 1999 Mark Mitchell <mark@codesourcery.com>
10693 * haifa-sched.c (sched_analyze): Keep the list of notes organized
10695 (reemit_notes): Likewise.
10697 Thu Sep 16 11:50:52 1999 Alex Samuel <samuel@codesourcery.com>
10699 * ggc.h (ggc_root): Move to ggc-common.c.
10701 (ggc_mark_rtx, ggc_mark_tree): Change to macro.
10702 (ggc_mark_rtvec, ggc_mark_tree_varray): Declare extern.
10703 (ggc_mark_tree_hash_table, ggc_mark_string, ggc_mark): Likewise.
10704 (ggc_mark_roots, ggc_mark_rtx_children, ggc_mark_tree_children): New.
10705 * ggc-common.c (ggc_root): Move from ggc.h.
10706 (roots): Declare, static.
10707 (ggc_mark_rtx, ggc_mark_tree): Renamed to...
10708 (ggc_mark_rtx_children, ggc_mark_tree_children): Don't check for
10709 null or check/set mark bit.
10710 (ggc_mark_roots): New.
10711 * ggc-simple.c (ggc_collect): Call ggc_mark_roots.
10713 Thu Sep 16 11:37:32 1999 Richard Henderson <rth@cygnus.com>
10715 * m32r.c: Include toplev.h.
10716 (*): Add ATTRIBUTE_UNUSED as needed to arguments.
10717 (gen_compare): Rename swap_p to must_swap to match uses.
10718 Add default abort case.
10719 (m32r_output_function_epilogue): Remove unused variables.
10720 (m32r_print_operand): Use HOST_WIDE_INT_PRINT_HEX.
10721 * m32r.h (PROTO, STDIO_PROTO): Rename XPROTO; unconditionally
10722 define to empty parameter list. Update all uses.
10723 (predicate decls): Use enum machine_mode not int.
10724 * m32r.md (movsi): Call abort, not fatal_insn.
10725 (zero_branch_insn, rev_zero_branch_insn): Add default abort case.
10727 1999-09-14 Andrew Haley <aph@cygnus.com>
10729 * config/mips/mips.md (movsi_usw): if operand 1 is const_int 0,
10730 use $0 instead of 0.
10732 Thu Sep 16 10:53:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10734 * reload1.c (order_regs_for_reload): Move hard_reg_n_uses
10735 computation out of loop over hard regs.
10737 Wed Sep 15 21:37:06 1999 Mark Mitchell <mark@codesourcery.com>
10739 * function.c (identify_blocks): Don't shadow a variable in an
10741 * integrate.c (integrate_decl_tree): Don't use pushlevel,
10742 pushdecl, or poplevel to build up the new BLOCK tree.
10743 (expand_inline_function): Likewise.
10744 (integrate_parm_decls): Likewise.
10746 Wed Sep 15 21:20:38 1999 Mark Mitchell <mark@codesourcery.com>
10748 * c-typeck.c (qualify_type): Merge qualifiers from both types.
10750 1999-09-15 Brad Lucier <lucier@math.purdue.edu>
10752 * toplev.c: Allow -f[no-]math-errno to set (clear) flag_errno_math
10753 * invoke.texi: Document this change.
10755 Wed Sep 15 17:56:00 1999 Richard Henderson <rth@cygnus.com>
10757 * emit-rtl.c (free_emit_status): Don't check DECL_DEFER_OUTPUT.
10759 (mark_emit_status): Renamed from mark_emit_state.
10760 * except.c (mark_eh_status): Renamed from mark_eh_state.
10761 Check not null before marking.
10762 (free_eh_status): New.
10763 * expr.c (mark_expr_status, free_expr_status): New.
10764 * function.c (free_machine_status): New.
10765 (free_after_parsing): New.
10766 (free_after_compilation): Move bits to free_after_parsing; call
10767 free_eh_status, free_expr_status; zero the marked members of the
10769 (prepare_function_start): No can_garbage_collect.
10770 Call init_eh_for_function.
10771 (expand_dummy_function_end): Free up current_function state.
10772 (mark_function_status): Renamed from mark_function_state.
10773 (mark_function_chain): No can_garbage_collect. Call mark_expr_status.
10774 * function.h (struct function): No can_garbage_collect.
10775 (free_machine_status, free_after_parsing): Declare.
10776 (free_eh_status, free_expr_status): Declare.
10777 * ggc.h (mark_expr_status): Declare.
10778 * stmt.c (free_stmt_status): Free the struct.
10779 (mark_stmt_status): Renamed from mark_stmt_state.
10780 (init_stmt): Don't call init_eh.
10781 (init_stmt_for_function): Don't call init_eh_for_function.
10782 * toplev.c (compile_file): Call init_eh.
10783 (rest_of_compilation): Free basic block info before ggc_collect.
10784 Call free_after_parsing; conditionally call free_after_compilation.
10785 * varasm.c (mark_varasm_status): Renamed from mark_varasm_state.
10786 Check not null before marking.
10787 (free_varasm_status): Don't check DECL_DEFER_OUTPUT. Free the struct.
10789 Wed Sep 15 17:53:16 1999 Richard Henderson <rth@cygnus.com>
10791 * c-lex.c (yylex): Initialize warn.
10793 Wed Sep 15 18:35:38 1999 Jeffrey A Law (law@cygnus.com)
10795 * pa.c (emit_move_sequence): Properly set the mode of the scratch
10796 register when performing secondary reloads for the SAR register.
10798 Wed Sep 15 15:51:52 1999 Mark Mitchell <mark@codesourcery.com>
10800 * rtl.h (NOTE_BLOCK_NUMBER): Replace with ...
10801 (NOTE_BLOCK): New macro.
10802 (NOTE_BLOCK_LIVE_RANGE_BLOCK): Remove.
10803 * function.h (identify_blocks): Change prototype.
10804 * function.c (identify_blocks): Simplify.
10805 (reorder_blocks): Likewise.
10806 * ggc-common.c (ggc_mark_rtx): Mark the BLOCK associated with a
10807 NOTE_INSN_BLOCK_{BEG,END}.
10808 * haifa-sched.c (sched_analyze): Don't put NOTE_BLOCK_NUMBER on
10809 the list of saved notes if the note isn't a
10810 NOTE_INSN_BLOCK_{BEG,END}.
10811 (move_insn1): Use NOTE_EH_HANDLER in comment, rather than
10813 (reemit_notes): Adjust recreation of notes to reflect new saved
10815 * print-rtl.c (print_rtx): Print the address of the BLOCK when
10816 printing a block note.
10817 * stmt.c (block_vector): Remove.
10818 (find_loop_tree_blocks): Simplify.
10819 (unroll_block_trees): Likewise.
10820 * tree.h (reorder_block): Change prototype.
10822 Wed Sep 15 14:39:35 1999 Jason Merrill <jason@yorick.cygnus.com>
10824 * gbl-ctors.h: Lose HAVE_ATEXIT. Don't define ON_EXIT.
10825 * libgcc2.c: Lose obsolete defn of WEAK_ALIAS.
10826 (__bb_init_func, __bb_init_prg): Use atexit instead of ON_EXIT.
10827 (__do_global_dtors): Likewise. Don't mess with _exit_dummy_decl.
10828 (atexit, exit): Simplify.
10829 * tm.texi: Document NEED_ATEXIT and ON_EXIT. Remove HAVE_ATEXIT.
10830 * config/lots: Remove defns of HAVE_ATEXIT.
10832 Wed Sep 15 10:25:12 1999 Mark Mitchell <mark@codesourcery.com>
10834 * calls.c (precompute_arguments): Fix typo in comment.
10835 * expr.c (preexpand_calls): Don't preexpand the cleanup in a
10838 Wed Sep 15 09:59:59 1999 Mark Mitchell <mark@codesourcery.com>
10840 * dsp16xx.c (override_options): Fix typos in GC root registration.
10842 Wed Sep 15 15:23:28 1999 Philip Blundell <pb@nexus.co.uk>
10844 * config/arm/linux-elf.h (MAKE_DECL_ONE_ONLY): Copy definition
10845 from config/svr4.h.
10846 (UNIQUE_SECTION_P, UNIQUE_SECTION): Likewise.
10847 (FUNCTION_PROFILER): Redefine appropriately for Linux.
10848 (CC1_SPEC): Likewise.
10850 Wed Sep 15 10:09:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10852 * genattr.c (main): Add extern prototype. Call return, not exit.
10853 * genattrtab.c (main): Likewise.
10854 * gencheck.c (main): Likewise.
10855 * gencodes.c (main): Likewise.
10856 * genconfig.c (main): Likewise.
10857 * genemit.c (main): Likewise.
10858 * genextract.c (main): Likewise.
10859 * genflags.c (main): Likewise.
10860 * gengenrtl.c (main): Likewise.
10861 * genopinit.c (main): Likewise.
10862 * genoutput.c (main): Likewise.
10863 * genpeep.c (main): Likewise.
10864 * genrecog.c (main): Likewise.
10866 * genattr.c (get_insn_name): Mark parameter with ATTRIBUTE_UNUSED.
10867 * genattrtab.c (get_insn_name): Likewise.
10868 * gencodes.c (get_insn_name): Likewise.
10869 * genconfig.c (get_insn_name): Likewise.
10870 * genemit.c (get_insn_name): Likewise.
10871 * genextract.c (get_insn_name): Likewise.
10872 * genflags.c (get_insn_name): Likewise.
10873 * genopinit.c (get_insn_name): Likewise.
10874 * genpeep.c (get_insn_name): Likewise.
10876 * gencheck.c (usage): Add static prototype.
10877 * genextract.c (print_path): Constify a char*.
10878 * genopinit.c (optabs): Likewise.
10879 * genoutput.c (operand_data, data, output_predicate_decls,
10880 compare_operands): Likewise.
10881 * genrecog.c (write_tree): Add default case in switch.
10883 Wed Sep 15 09:59:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10885 * rtl.h (get_insn_name, print_rtl_with_bb): Add prototypes.
10887 * print-rtl.c (get_insn_name): Remove prototype.
10889 * toplev.h (progname): Declare const.
10891 * toplev.c (init_decl_processing, init_obstacks, init_tree_codes,
10892 init_regs, init_optabs, init_stmt, init_reg_sets, dump_flow_info,
10893 dump_sched_info, dump_local_alloc, regset_release_memory,
10894 print_rtl, print_rtl_with_bb, rest_of_decl_compilation,
10895 error_with_file_and_line, error_with_decl, error_for_asm, error,
10896 fatal, warning_with_file_and_line, warning_with_decl, warning,
10897 pedwarn, pedwarn_with_decl, pedwarn_with_file_and_line, sorry):
10898 Remove redundant prototypes.
10900 (notice, check_lang_option, report_file_and_line, vnotice,
10901 mark_file_stack): Add static prototype.
10902 (set_fatal_function): Add prototype.
10903 (vnotice, report_file_and_line, set_fatal_function,
10904 check_lang_option): Constify a char*.
10905 (main): Prototype. Call return, not exit.
10907 Wed Sep 15 09:50:18 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10909 * aclocal.m4 (AC_GCC_C_LONG_DOUBLE): New macro.
10911 * configure.in (AC_GCC_C_LONG_DOUBLE): Call it.
10913 * gansidecl.h (HAVE_LONG_DOUBLE): Define if gcc for stage2.
10915 * ggc-simple.c (HAVE_LONG_DOUBLE): Test before using long double.
10917 Wed Sep 15 11:04:43 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10919 * function.c (assign_parms): Delete arg SECOND_TIME. Don't test it,
10920 behave as if it's zero in all cases.
10921 (expand_function_start): Adjust call to assign_parms.
10922 * tree.h (assign_parms): Adjust prototype.
10923 * objc/objc-act.c (hack_method_prototype): Adjust call to
10926 Tue Sep 14 21:47:06 1999 Jeffrey A Law (law@cygnus.com)
10928 * cse.c (FIXED_BASE_PLUS_P): Do not consider referneces to
10929 arg_pointer_rtx fixed if the argument pointer register is
10931 (NONZERO_BASE_PLUS_P): Likewise.
10933 Tue Sep 14 20:26:02 1999 Richard Henderson <rth@cygnus.com>
10935 * rtl.def (match_insn, match_insn2): Remove match_insn; rename
10936 match_insn2 to match_insn.
10937 * genrecog.c (add_to_sequence): Rename MATCH_INSN2.
10939 Tue Sep 14 20:10:29 1999 Richard Henderson <rth@cygnus.com>
10941 * Makefile.in (USER_H): Remove va-foo.h.
10943 * ginclude/{va-alpha.h,va-arc.h,va-c4x.h,va-clipper.h,va-h8300.h,
10944 va-i860.h,va-i960.h,va-m32r.h,va-m88k.h,va-mips.h,va-mn10200.h,
10945 va-mn10300.h,va-pa.h,va-ppc.h,va-pyr.h,va-sh.h,va-sparc.h,
10946 va-spur.h,va-v850.h}: Remove.
10948 Tue Sep 14 19:43:16 1999 Richard Henderson <rth@cygnus.com>
10950 * sparc/sparc.md (eligible_for_return_delay): New attribute.
10951 (in_return_delay): Use it instead of match_insn.
10953 Tue Sep 14 23:05:37 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10955 * config/alpha/va_list.h (va-alpha.h): Do not include.
10956 (__gnuc_va_list): Typedef as in varargs.h.
10958 Tue Sep 14 18:14:03 1999 Richard Henderson <rth@cygnus.com>
10960 * ggc-common.c (ggc_mark_tree): Mark DECL_SOURCE_FILE and
10961 DECL_LIVE_RANGE_RTL.
10963 Tue Sep 14 16:47:08 1999 Mark Mitchell <mark@codesourcery.com>
10965 * except.c (expand_eh_region_start_for_decl): Use NOTE_EH_HANDLER,
10966 not NOTE_BLOCK_NUMBER.
10967 (expand_eh_region_end): Likewise.
10968 (find_exception_handler_labels): Likewise.
10969 (scan_region): Likewise.
10970 (exception_optimize): Likewise.
10971 (update_rethrow_references): Likewise.
10972 (set_insn_eh_region): Likewise.
10973 * final.c (final_scan_insn): Likewise.
10974 * flow.c (make_edges): Likewise.
10975 * integrate.c (expand_inline_function): Likewise.
10976 * print-rtl.c (print_rtx): Likewise.
10978 Tue Sep 14 16:30:16 1999 Richard Henderson <rth@cygnus.com>
10980 * ginclude/stdarg.h, ginclude/varargs.h: Implement in
10981 terms of builtin functions and types.
10983 * mips.c (mips_build_va_list): New.
10984 (mips_va_start, mips_va_arg): New.
10985 * mips.h (BUILD_VA_LIST_TYPE): New.
10986 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
10988 * sh.c (sh_builtin_saveregs): Use get_varargs_alias_set.
10989 (sh_build_va_list, sh_va_start, sh_va_arg): New.
10990 * sh.h (BUILD_VA_LIST_TYPE): New.
10991 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
10993 Tue Sep 14 16:20:24 1999 Richard Henderson <rth@cygnus.com>
10995 * recog.h (struct recog_data): Make dup_num, operand_address_p,
10996 n_operands, n_dups, n_alternatives `char' instead of `unsigned char'.
10997 (struct insn_data): Likewise with n_operands, n_dups,
10998 n_alternatives, output_format.
10999 * regclass.c (scan_one_insn): Cast n_operands to int before
11000 arithmetic inside comparison.
11002 Tue Sep 14 15:13:36 1999 Richard Henderson <rth@cygnus.com>
11004 * toplev.c (compile_function): Unconditionally emit nop.
11006 Tue Sep 14 14:41:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11008 * haifa-sched.c (actual_hazard): Move declaration of variable
11009 `this_cost' into the scope where it is used.
11011 Tue Sep 14 14:14:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11013 * c-pragma.c (handle_pragma_token): Wrap variables `name' and
11014 `value' in HANDLE_PRAGMA_WEAK. Wrap variable `align' in
11015 HANDLE_PRAGMA_PACK||HANDLE_PRAGMA_PACK_PUSH_POP.
11017 * genrecog.c (make_insn_sequence): Call memset, not bzero.
11019 * jump.c (find_insert_position): Don't declare or define unless
11020 !HAVE_conditional_arithmetic.
11021 (returnjump_p_1, delete_prior_computation): Add static prototypes.
11023 * mips-tdump.c (fatal, fancy_abort, main): Add extern prototypes.
11025 * recog.c (offsettable_address_p): Prototype function pointer.
11026 (preprocess_constraints): Call memset, not bzero.
11028 * tree.c (tree_node_kind_names): Constify a char*. Make static.
11029 (gcc_obstack_init): Don't declare.
11030 (fix_sizetype): Add static prototype.
11031 (gcc_obstack_init): Use prototype casts in call to _obstack_begin.
11032 (tree_cons): Call memset, not bzero.
11034 * varasm.c (remove_from_pending_weak_list): Wrap declaration and
11035 definition in macro ASM_WEAKEN_LABEL.
11036 (mark_const_hash_entry): Add static prototype.
11038 Tue Sep 14 12:22:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11040 * c-lex.c (handle_generic_pragma): Remove unused variable `c'.
11042 * unroll.c (find_common_reg_term, subtract_reg_term,
11043 loop_find_equiv_value): Add static prototypes.
11044 (unroll_loop): Wrap variable `prev' in macro HAVE_cc0.
11045 (copy_loop_body): Remove unreachable break statement.
11047 * sparc.c (sparc_va_arg): Remove unused variable `tmp'.
11049 * sparc.h (sparc_va_start, sparc_va_arg): Add extern prototypes.
11051 Tue Sep 14 15:28:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11053 Undo some changes from the gcc2 merge:
11054 * rtl.def (CONSTANT_P_RTX): Fix the comment for this rtx code.
11055 * emit-rtl.c (gen_rtx_REG): Don't test special reg rtx's for null
11059 Sat Oct 3 07:20:28 1998 Stephen L Moshier <moshier@world.std.com>
11060 * emit-rtl.c (gen_lowpart_common): Disable optimization of
11061 initialized float-int union if the value is a NaN.
11063 Tue Sep 14 04:03:44 1999 Mumit Khan <khan@xraylith.wisc.edu>
11065 * gthr-win32.h: New file.
11067 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Recognize
11068 shared as a valid attribute.
11069 * i386/cygwin.h (ASM_OUTPUT_SECTION): Handle shared attribute.
11070 * extend.texi: Document `shared' variable attribute.
11072 Tue Sep 14 04:01:46 1999 Loren Rittle <ljrittle@acm.org>
11074 * configure.in: Handle --enable-threads on FreeBSD.
11075 * configure: Rebuit.
11077 Tue Sep 14 03:58:44 1999 Andreas Jaeger <aj@arthur.rhein-neckar.de>
11079 * configure.in: Add crtbeginS.o, crtendS.o for mips-linux; add
11081 * configure: Rebuilt.
11083 Tue Sep 14 03:47:23 1999 Joel Sherrill <joel@OARcorp.com>
11084 Charles-Antoine Gauthier <charles.gauthier@iit.nrc.ca>
11085 Rosimildo DaSilva <rdasilva@connecttel.com>
11087 * configure.in (m68k-*-rtemscoff*): Added.
11088 * configure.in (mips64orion-*-rtems*): Converted to ELF.
11089 * configure.in (sparc-*-rtemsaout*): Added as alias for old
11090 sparc-rtems configuration.
11091 * configure.in (sparc-*-rtemself*): Added.
11092 * configure.in (sparc-*-rtems*): Now ELF not a.out.
11093 * config/i386/rtems.h: Added comment.
11094 * config/sparc/rtemself.h: New file.
11096 * configure.in (m68k-rtemself): Added.
11097 * config/elfos.h: Added ifndef wrapper for DWARF2_DEBUGGING_INFO
11098 and DWARF_DEBUGGING_INFO.
11099 * config/m68k/crti.s: New file.
11100 * config/m68k/crtn.s: New file.
11101 * config/m68k/t-crtstuff: New file.
11102 * config/m68k/rtemself.h: New file.
11104 * configure.in (i[[34567]]86-*-rtemself*): Now uses crtstuff for
11105 global ctor/dtor and C++ exception handling.
11106 * config/i386/rtemself.h: Now uses crtstuff (crti.o + crtbegin.o)
11107 for STARTFILE_SPEC and crtstuff (crtend.o + crtn.o) for
11109 * config/i386/t-rtems-i386: New File.
11111 Tue Sep 14 09:47:41 1999 Andreas Schwab <schwab@suse.de>
11113 * stmt.c (expand_end_case): Return right away if the case stack is
11116 Tue Sep 14 01:47:19 1999 Jeffrey A Law (law@cygnus.com)
11118 * Makefile.in (version.c): Remove rule incorrectly brought in from
11121 Tue Sep 14 01:42:27 1999 Marc Espie <espie@cvs.openbsd.org>
11123 * Makefile.in: Prepend $(SHELL) to move-if-change calls.
11124 * msdos/top.sed: Take into account a prepended $(SHELL) to
11126 * winnt/config-nt.sed: Likewise. Kill bogus substitution.
11128 * objc/Make-lang.in: Prepend $(SHELL) to move-if-change calls.
11130 Tue Sep 14 01:38:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11132 * regmove.c (fixup_match_1): Don't change an unchanging register.
11133 (stable_but_for_p): Renamed to:
11134 (stable_and_no_regs_but_for_p). Reject unchanging registers too.
11135 Changed all callers.
11137 Tue Sep 14 01:33:15 1999 Andreas Schwab <schwab@suse.de>
11139 * loop.c (strength_reduce): Don't call reg_used_between_p if the
11140 insn from BL2 is after the insn from BL.
11142 Mon Sep 13 21:06:01 1999 Richard Henderson <rth@cygnus.com>
11144 * recog.h (INSN_OUTPUT_FORMAT_*): New.
11145 (struct insn_data): Merge `template' and `outfun' into `output'.
11146 Add `output_format'.
11147 * genoutput.c (INSN_OUTPUT_FORMAT_*): New.
11148 (struct data): Remove `outfun'; add `output_format'.
11149 (name_for_index): Remove declaration.
11150 (output_insn_data): Handle output formats.
11151 (process_template): Emit the bare array for @.
11152 (gen_expand, gen_split): Set output_format to NONE.
11153 * output.h (get_insn_template): Declare.
11154 * final.c (get_insn_template): New.
11155 (final_scan_insn): Use it.
11156 * toplev.c (compile_file): Likewise.
11158 * c4x/c4x.c (c4x_process_after_reload): Likewise.
11159 * i860/i860.c (output_delayed_branch): Likewise.
11160 (output_delay_insn): Likewise.
11162 1999-09-13 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11164 * rtl.c (obstack_alloc_rtx): Removed.
11166 1999-09-13 17:03 -0700 Zack Weinberg <zack@bitmover.com>
11168 * config/gmicro/gmicro.md: Disable move DF->DI anonymous pattern.
11170 Mon Sep 13 15:21:46 1999 Richard Henderson <rth@cygnus.com>
11172 * i386.c (call_insn_operand): Reject const_int.
11173 (expander_call_insn_operand): Use call_insn_operand.
11175 Mon Sep 13 17:44:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11177 * gcc.c (getrusage): Wrap prototype arguments in PROTO().
11179 1999-09-13 12:18 -0700 Zack Weinberg <zack@bitmover.com>
11181 * config/i370/i370.md (mulsi, divsi, modsi anonymous insns):
11182 Use DImode operation.
11184 1999-09-13 12:13 -0700 Zack Weinberg <zack@bitmover.com>
11186 * gcc.c: Include sys/resource.h.
11187 (report_times): New flag.
11188 (execute): If report_times is set, calculate and report the
11189 CPU time consumed by each subprocess.
11191 (rus, prus): New globals.
11192 (option_map): Add --time.
11193 (display_help): Document -time.
11194 (process_command): Set report_times if -time is given.
11195 Turn off -pipe if -time is given.
11197 * invoke.texi: Document new option -time.
11199 * configure.in: Check for getrusage. Check if we have to
11200 prototype getrusage.
11201 * acconfig.h: Add NEED_DECLARATION_GETRUSAGE.
11202 * configure: Regenerate.
11203 * config.in: Regenerate.
11205 Mon Sep 13 12:57:06 1999 Dave Brolley <brolley@cygnus.com>
11207 * cppinit.c (append_include_chain): Initialize 'next' and 'alloc'
11210 Mon Sep 13 10:01:33 1999 Nick Clifton <nickc@cygnus.com>
11212 * config/fp-bit.c: Define L_thenan_sf or L_thenan_df (as
11213 appropriate) if FINE_GRAINED_LIBRARIES is not defined.
11214 (nan): Return _thenan_sf or _thenan_df as appropriate.
11215 (L_thenan_sf): Define _thenan_sf.
11216 (L_thenan_df): Define _thenan_df.
11218 * Makefile.in (FPBIT_FUNCS): Add _thenan_sf.
11219 (DPBIT_FUNCS): Add _thenan_df.
11221 Mon Sep 13 09:38:53 1999 Andreas Schwab <schwab@suse.de>
11223 * tree.c (fix_sizetype): Exchange the types for TYPE_SIZE and
11226 Sun Sep 12 23:28:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11228 * Makefile.in (gcc.o, gccspec.o, cppspec.o): Depend on gcc.h.
11231 (lang_specific_driver): Don't take a function pointer parameter.
11232 All callers changed.
11234 * gcc.c: Include gcc.h.
11235 (do_spec, fancy_abort,lang_specific_driver,lang_specific_pre_link,
11236 lang_specific_extra_outfiles, fatal): Don't declare.
11237 (multilib_defaults_raw): Constify.
11238 (read_specs): Call memset, rather than bzero.
11239 (main): Call return, not exit.
11240 (lookup_compiler): Call memcpy, not bcopy.
11241 (fatal): Make extern.
11243 * cppspec.c: Include gcc.h.
11244 (lang_specific_driver): Initialize variable `quote'. Constify a
11245 char*. All calls to the function pointer parameter now
11246 explicitly call `fatal'.
11248 * gccspec.c (lang_specific_driver): Include gcc.h.
11250 Sun Sep 12 19:52:10 1999 Richard Earnshaw <rearnsha@arm.com>
11252 * arm.c (note_invalid_constants): Use recog_data.operand_type
11255 Sun Sep 12 15:53:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11257 * tree.h (build_common_tree_nodes, build_common_tree_nodes_2):
11260 * reload.h (reload_in, reload_out, reload_in_reg, reload_out_reg,
11261 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
11262 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
11263 reload_secondary_in_reload, reload_secondary_out_reload,
11264 reload_secondary_in_icode, reload_secondary_out_icode,
11265 reload_reg_rtx, reload_when_needed): Delete declarations.
11266 (struct reload): New structure.
11267 (rld): Declare new array.
11268 * reload.c (reload_in, reload_out, reload_in_reg, reload_out_reg,
11269 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
11270 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
11271 reload_secondary_in_reload, reload_secondary_out_reload,
11272 reload_secondary_in_icode, reload_secondary_out_icode,
11273 reload_reg_rtx, reload_when_needed): Delete definitions.
11275 (whole file): Replace uses of the deleted arrays with uses of rld.
11276 * reload1.c (whole file): Replace uses of the deleted arrays with
11278 (choose_reload_regs): Copy in/out of save_reload_reg_rtx with
11279 explicit loops, not with bcopy.
11281 Sun Sep 12 05:00:24 1999 Richard Henderson <rth@cygnus.com>
11283 * recog.h (insn_template, insn_outfun, insn_n_operands, insn_n_dups,
11284 insn_n_alternatives, insn_operand_constraint, insn_operand_address_p,
11285 insn_operand_mode, insn_operand_strict_low, insn_operand_predicate,
11286 insn_name): Delete and consolidate into new structures.
11287 (insn_operand_predicate_fn): New.
11288 (insn_output_fn): New.
11289 (insn_gen_fn): New.
11290 (struct insn_operand_data): New.
11291 (struct insn_data): New.
11293 (OUT_FCN): Update for insn_data change.
11294 * builtins.c (expand_builtin_strlen): Likewise.
11295 (expand_builtin_memcmp): Likewise.
11296 * combine.c (make_extraction, simplify_comparison): Likewise.
11297 * cse.c (canon_reg, cse_insn): Likewise.
11298 * explow.c (allocate_dynamic_stack_space, probe_stack_range): Likewise.
11299 * expmed.c (store_bit_field, extract_bit_field): Likewise.
11300 (emit_store_flag): Likewise.
11301 * expr.c (convert_move, emit_block_move): Likewise.
11302 (clear_storage, emit_push_insn, expand_increment): Likewise.
11303 (do_store_flag): Likewise.
11304 * expr.h (GEN_FCN): Likewise.
11305 (insn_gen_function): Die.
11306 * final.c (final_scan_insn): Update for insn_data change.
11307 (output_asm_name): Likewise.
11308 * function.c (fixup_var_refs_1): Likewise.
11309 * loop.c (check_dbra_loop): Likewise.
11310 * optabs.c (expand_binop, expand_twoval_binop): Likewise.
11311 (expand_unop, expand_complex_abs, emit_unop_insn): Likewise.
11312 (prepare_cmp_insn, prepare_operand, emit_indirect_jump): Likewise.
11313 (emit_conditional_move, gen_add2_insn, gen_sub2_insn): Likewise.
11314 * recog.c (validate_replace_rtx_1, extract_insn): Likewise.
11315 * regmove.c (gen_add3_insn): Likewise.
11316 * reload.c (push_secondary_reload, combine_reloads): Likewise.
11317 (find_reloads, find_reloads_address_1): Likewise.
11318 (debug_reload_to_stream): Likewise.
11319 * reload1.c (emit_reload_insns, gen_reload): Likewise.
11320 * stmt.c (expand_end_case): Likewise.
11321 * toplev.c (compile_file): Likewise.
11323 * c4x/c4x.c (c4x_process_after_reload): Likewise.
11324 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
11326 * print-rtl.c (insn_name_ptr): Remove declaration.
11327 (get_insn_name): Declare.
11328 (print_rtx): Use it.
11329 * genoutput.c (insn_name_ptr): Remove.
11330 (next_operand_number): New.
11331 (struct operand_data): New.
11332 (null_operand, odata, odata_end): New.
11333 (struct data): Use struct operand_data.
11334 (idata, idata_end): Renamed from insn_data and end_of_insn_data.
11335 (get_insn_name): Renamed from name_for_index.
11336 (output_prologue): Define NO_MD_PROTOTYPES.
11337 (output_predicate_decls): Break out from output_epilogue.
11338 Iterate over the operands list.
11339 (output_operand_data): Break out from output_epilogue. Emit
11340 just the operands list.
11341 (output_insn_data): Break out from output_epilogue. Emit just
11343 (output_epilogue): Remove.
11344 (output_get_insn_name): New.
11345 (constraints, op_n_alternatives, predicates, address_p): Die.
11346 (modes, strict_low, seen): Die.
11347 (scan_operands): Take new param `d' instead of writing to
11348 seven global variables.
11349 (compare_operands): New.
11350 (place_operands): New.
11351 (validate_insn_alternatives): Update for struct data change.
11352 (gen_insn): Don't zero or copy 7 global arrays. Update for
11353 scan_operands; call place_operands.
11354 (gen_peephole, gen_expand, gen_split): Likewise.
11355 (main): Update for new output routines.
11357 * genattr.c (insn_name_ptr): Remove.
11358 (get_insn_name): New function.
11359 * genattrtab.c, gencodes.c, genconfig.c, genemit.c: Likewise.
11360 * genextract.c, genflags.c, genopinit.c, genpeep.c: Likewise.
11361 * genrecog.c: Likewise.
11363 * alpha.md (adddi3): Make `pattern' array static.
11365 Sun Sep 12 22:05:21 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11367 * config/c4x/c4x.h (c4x_rpts_cycles_string,
11368 c4x_cpu_version_string): Constify char *.
11369 * config/c4x/c4x.c (c4x_rpts_cycles_string,
11370 c4x_cpu_version_string): Likewise.
11372 Sat Sep 11 23:28:33 1999 Richard Henderson <rth@cygnus.com>
11374 * tree.c (save_tree_status): Revert 10 Sep change.
11375 (restore_tree_status): Likewise. Call obstack_free with NULL
11376 before freeing the obstack proper.
11378 Sat Sep 11 23:23:46 1999 Richard Henderson <rth@cygnus.com>
11380 * cse.c (cse_main): If gc'ing, collect around cse_basic_block.
11382 * ggc-simple.c (ggc_pop_context): Fold outstanding bytes into
11383 surrounding context.
11385 Sat Sep 11 19:52:43 1999 Mark Mitchell <mark@codesourcery.com>
11387 * tree.c (type_hash_canon): Put all types in the hash-table, when
11390 Sat Sep 11 18:37:04 1999 Richard Henderson <rth@cygnus.com>
11392 * recog.h (struct recog_data, recog_data): New.
11393 (recog_foo variables): Kill.
11394 * recog.c (recog_operand, recog_operand_loc): Kill.
11395 (recog_dup_loc, recog_dup_num, recog_n_operands): Kill.
11396 (recog_n_dups, recog_n_alternatives, recog_operand_mode): Kill.
11397 (recog_constraints, recog_op_type, recog_operand_address_p): Kill.
11398 (recog_data): Define.
11399 (extract_insn): Update all recog_foo references to use recog_data.
11400 (preprocess_constraints, constrain_operands): Likewise.
11401 * final.c (final_scan_insn, cleanup_subreg_operands): Likewise.
11402 * genattrtab.c (main): Likewise.
11403 * genextract.c (main): Likewise.
11404 * genoutput.c: Likewise.
11405 * genrecog.c (write_subroutine, main): Likewise.
11406 * local-alloc.c (block_alloc): Likewise.
11407 * reg-stack.c (record_asm_reg_life, subst_asm_stack_regs): Likewise.
11408 * regclass.c (scan_one_insn, record_reg_classes): Likewise.
11409 * regmove.c (regmove_optimize, find_matches, fixup_match_1): Likewise.
11410 * reload.c (find_reloads, find_reloads_toplev): Likewise.
11411 * reload1.c (maybe_fix_stack_asms, eliminate_regs_in_insn): Likewise.
11412 (reload_cse_simplify_operands): Likewise.
11414 * arc/arc.c (arc_final_prescan_insn): Likewise.
11415 * arm/arm.c (note_invalid_constants, arm_final_prescan_insn): Likewise.
11416 * h8300/h8300.c (notice_update_cc): Likewise.
11417 * i386/i386.c (ix86_attr_length_default, ix86_agi_dependant): Likewise.
11418 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
11419 * mn10200/mn10200.c (notice_update_cc): Likewise.
11420 * mn10300/mn10300.c (notice_update_cc): Likewise.
11421 * romp/romp.c (update_cc): Likewise.
11422 * sparc/sparc.c (check_pic): Likewise.
11423 * v850/v850.c (notice_update_cc): Likewise.
11425 * genemit.c (main): Don't declare recog_operand.
11427 Sat Sep 11 12:41:55 1999 Alex Samuel <samuel@codesourcery.com>
11429 * ggc.h (rtvec_def): Forward declare.
11430 (tree_node): Likewise.
11431 (ggc_root): Define.
11433 (ggc_set_mark_rtx): Add prototype.
11434 (ggc_set_mark_rtvec): Likewise.
11435 (ggc_set_mark_tree): Likewise.
11436 * ggc-simple.c (ggc_root): Don't define.
11437 (roots): Don't declare.
11438 (ggc_mark_rtx): Remove.
11439 (ggc_mark_rtvec): Likewise.
11440 (ggc_mark_tree): Likewise.
11441 (ggc_mark_varray): Likewise.
11442 (ggc_mark_tree_hash_table_entry): Likewise.
11443 (ggc_mark_tree_hash_table): Likewise.
11444 (ggc_set_mart_rtx): New function.
11445 (ggc_set_mark_rtvec): Likewise.
11446 (ggc_set_mark_tree): Likewise.
11447 (ggc_add_root): Remove.
11448 (ggc_add_rtx_root): Likewise.
11449 (ggc_remove_tree_root): Likewise.
11450 (ggc_add_string_root): Likewise.
11451 (ggc_add_tree_varray_root): Likewise.
11452 (ggc_add_tree_hash_table_root): Likewise.
11453 (ggc_del_root): Likewise.
11454 (ggc_mark_rtx_ptr): Likewise.
11455 (ggc_mark_tree_ptr): Likewise.
11456 (ggc_mark_string_ptr): Likewise.
11457 (ggc_mark_tree_varray_ptr): Likewise.
11458 (ggc_mark_tree_hash_table_ptr): Likewise.
11459 * ggc-common.c: New file.
11460 * Makefile.in (OBJS): Add ggc-common.o.
11461 (ggc-common.o): List dependencies.
11463 1999-09-10 22:37 -0700 Zack Weinberg <zack@bitmover.com>
11465 * cppalloc.c (xstrdup): Use memcpy.
11466 * cpperror.c (cpp_print_containing_files): Don't use
11468 * cpplib.c (conditional_skip): Set temp->lineno.
11469 (do_endif): Make error message less obscure.
11470 (if_directive_name): New function.
11471 (cpp_get_token [case EOF]): Unwind the if stack and generate
11472 error messages for each unterminated conditional in this file.
11473 (parse_string): Do not behave differently if -traditional.
11475 Fri Sep 10 14:04:07 1999 Richard Henderson <rth@cygnus.com>
11477 * builtins.c (expand_builtin_va_arg): Cope with an array-type
11478 va_list decomposing to pointer-type.
11479 * rs6000.c (rs6000_va_start) Unwrap the ARRAY_TYPE to get at fields.
11480 (rs6000_va_arg): Likewise.
11482 Fri Sep 10 13:21:21 1999 Jim Wilson <wilson@cygnus.com>
11484 * except.c (start_dynamic_handler): Compute size using
11485 STACK_SAVEAREA_MODE.
11487 Fri Sep 10 16:01:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11489 * protoize.c: Remove various __STDC__ and POSIX hacks. Don't
11490 include directory headers. Don't define strrchr. Don't provide
11491 my_* replacement functions. Prefer PTR over `pointer_type'.
11492 Don't prototype system functions. Don't redefine getopt.
11494 (shortpath, fancy_abort, notice, savestring, dupnstr, substr,
11495 safe_read, safe_write, save_pointers, restore_pointers,
11496 is_id_char, in_system_include_dir, directory_specified_p,
11497 file_excluded_p, unexpand_if_needed, abspath, check_aux_info,
11498 find_corresponding_lparen, referenced_file_is_newer,
11499 save_def_or_dec, munge_compile_params, gen_aux_info_file,
11500 process_aux_info_file, identify_lineno, check_source,
11501 seek_to_line, forward_to_next_token_char, output_bytes,
11502 output_string, output_up_to, other_variable_style_function,
11503 find_rightmost_formals_list, do_cleaning, careful_find_l_paren,
11504 do_processing, is_syscalls_file, rename_c_file, find_extern_def,
11505 find_static_definition, connect_defs_and_decs, add_local_decl,
11506 add_global_decls, needs_to_be_converted, visit_each_hash_node,
11507 add_symbol, lookup, free_def_dec, find_file, reverse_def_dec_list,
11508 edit_fn_declaration, edit_formals_lists, edit_fn_definition,
11509 scan_for_missed_items, edit_file, string_list_cons): Add static
11511 (standard_exec_prefix, target_machine, target_version,
11512 default_syscalls_dir, string_list, string_list_cons, find_file,
11513 do_cleaning): Constify a char*.
11514 (safe_read, safe_write): Use PTR, not a char*.
11515 (is_id_char): Take an int, not a char.
11516 (main): Add prototype. Call return, not exit.
11518 Fri Sep 10 16:48:26 1999 Andrew Haley <aph@cygnus.com>
11520 * tree.c (type_hash_lookup): Check for equal TYPE_ALIGN fields
11521 when comparing types.
11523 Fri Sep 10 08:43:32 1999 Richard Henderson <rth@cygnus.com>
11525 * loop.c (basic_induction_var): Typo NULL_RTX -> NULL.
11526 (strength_reduce): Release the varrays from the no-bivs early exit.
11528 * reload1.c (order_regs_for_reload): Init hard_reg_n_uses before
11529 the loop over the registers.
11531 * tree.c (save_tree_status): Set maybepermanent_firstobj NULL
11533 (restore_tree_status): Check that instead when freeing the obstack.
11535 Wed Sep 8 16:12:04 1999 Andrew Haley <aph@cygnus.com>
11537 * alias.c (rtx_equal_for_memref_p): Allow CONST_DOUBLEs to be used
11540 Fri Sep 10 11:58:55 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11542 * i386.md (ashlqi3): For NON_QI_REG_P regs, use sall. Fix some
11543 operand size modifiers.
11545 Fri Sep 10 10:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11547 * c-common.c (c_common_nodes_and_builtins): Don't build
11549 * c-common.h (enum c_tree_index and related accesor macros): Remove
11550 everything now declared in tree.h.
11551 * c-decl.c (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
11552 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, WCHAR_UNSIGNED, FLOAT_TYPE_SIZE,
11553 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Don't provide defaults.
11554 (error_mark_node, void_type_node, char_type_node, integer_type_node,
11555 unsigned_type_node, ptr_type_node, va_list_type_node,
11556 integer_zero_node, null_pointer_node, integer_one_node): Delete.
11557 (init_decl_processing): Call build_common_tree_nodes and
11558 build_common_tree_nodes_2 instead of building their nodes here.
11559 Don't add roots for these nodes.
11560 * stor-layout.c (size_zero_node, size_one_node): Delete.
11561 (set_sizetype): Make a new node for bitsizetype each time.
11562 * tree.c (global_trees): New variable.
11563 (init_obstacks): Add a gc root for it.
11564 (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
11565 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, FLOAT_TYPE_SIZE,
11566 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Provide defaults.
11567 (build_common_tree_nodes): New function.
11568 (fix_sizetype): New function.
11569 (build_common_tree_nodes_2): New function.
11570 * tree.h (enum tree_index): New.
11571 (global_trees): Declare.
11572 Add accessor macros for all nodes now moved to global_trees.
11573 Delete their declarations.
11575 Thu Sep 9 20:15:46 1999 Richard Henderson <rth@cygnus.com>
11577 * c-decl.c (finish_function): When processing a nested function,
11578 push and pop GC context around rest_of_compilation.
11580 Thu Sep 9 16:42:06 1999 Richard Henderson <rth@cygnus.com>
11582 * i386.c (override_options): Remove ppro, pentium2, and p2 as aliases.
11583 Default ix86_arch to PROCESSOR_I386.
11584 * i386.h (CC1_CPU_SPEC): Don't add -march=foo. Remove -mno-foo.
11585 (CPP_486_SPEC, CPP_586_SPEC, CPP_686_SPEC): Delete.
11586 (CPP_CPU_DEFAULT_SPEC): Define to __tune_foo__.
11587 (CC1_CPU_SPEC): Make -march=foo define __foo__, and provide
11588 __tune_foo__ if no -mcpu. Make -mcpu=bar define __tune_bar__.
11589 (EXTRA_SPECS): Remove deleted specs.
11591 Thu Sep 9 16:03:06 1999 Richard Henderson <rth@cygnus.com>
11593 * function.c (assign_stack_local_1): Allocate from
11594 function->x_frame_offset, not frame_offset.
11596 Thu Sep 9 14:36:31 1999 Mark Mitchell <mark@codesourcery.com>
11598 * ggc.h (lang_cleanup_tree): Remove.
11599 * gcc-simple.c (ggc_free_tree): Don't call lang_cleanup_tree.
11600 * ggc-callbacks.c (lang_cleanup_tree): Remove.
11602 * c-decl.c (finish_struct): Use ggc_alloc to allocate
11603 TYPE_LANG_SPECIFIC when garbage collecting.
11604 (lang_mark_tree): Mark TYPE_LANG_SPECIFIC.
11605 (lang_cleanup_tree): Remove.
11607 Thu Sep 9 14:23:02 1999 Jason Merrill <jason@yorick.cygnus.com>
11609 * defaults.h (EH_FRAME_SECTION, EH_FRAME_SECTION_ASM_OP): Define here.
11610 * crtstuff.c: Not here.
11611 * dwarf2out.c: Or here.
11612 * libgcc2.c (__do_global_ctors, __do_global_dtors): Handle EH frame
11615 Thu Sep 9 09:40:58 1999 Mark Mitchell <mark@codesourcery.com>
11617 * function.h (free_after_compilation): Remove decl parameter.
11618 (free_varasm_status0: Likewise.
11619 (free_emit_status): Likewise.
11620 (free_stmt_status): Likewise.
11621 (free_after_compilation): Likewise.
11622 (init_lang_status): New variable.
11623 (free_lang_status): Likewise.
11624 * emit-rtl.c (free_emit_status): Make decl parameter implicit.
11625 * function.c (init_lang_status): New variable.
11626 (free_lang_status): Likewise.
11627 (push_function_context_to): Don't set function::decl here.
11628 (free_after_copmilation): Make decl parameter implicit. Call
11629 free_lang_status if defined.
11630 (prepare_function_start): Call init_lang_status if defined.
11631 (init_function_start): Set function::decl here.
11632 * profile.c (output_func_start_profiler): Don't call pushdecl
11633 until we've actually started the function.
11634 * stmt.c (free_stmt_status): Make decl parameter implicit.
11635 * toplev.c (rest_of_compilation): Don't pass decl to
11636 free_after_compilation.
11637 * varasm.c (free_varasm_status): Likewise.
11639 Thu Sep 9 17:23:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11641 * except.c (call_get_eh_context): Add root when allocating static
11644 Thu Sep 9 15:24:59 BST 1999 Richard Earnshaw <rearnsha@arm.com>
11646 * arm.c: Include "ggc.h".
11647 (arm_add_gc_roots): New function.
11648 (arm_override_options): Call it.
11649 (aof_pic_entry): Add a GC root for aof_pic_label when it's allocated.
11651 * arm.md (define_asm_attributes): Add a pool_range attribute.
11653 Thu Sep 9 12:32:57 BST 1999 Nathan Sidwell <nathan@acm.org>
11655 * extend.texi (Volatiles): New node.
11657 Thu Sep 9 03:37:31 1999 Richard Henderson <rth@cygnus.com>
11659 * ggc-simple.c (IS_MARKED, IGNORE_MARK): New.
11660 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): New.
11661 (struct ggc_any): Replace `mark' with `magic_mark'.
11662 (ggc_alloc_string): Use memcpy, not bcopy.
11663 (ggc_alloc_any): Set magic_mark. Update bytes_alloced_since_gc.
11664 (ggc_free_{rtx,rtvec,tree,string}): Mark inline.
11665 (ggc_free_any): New.
11666 (ggc_mark_string): Use IGNORE_MARK. Calc back to struct gcc_string.
11667 (ggc_mark): Use IGNORE_MARK. Abort if magic doesn't match.
11668 (ggc_collect): Re-enable collection avoidance. Use GGC_ANY_MARK.
11669 Use IS_MARKED. Use ggc_free_any.
11671 1999-09-09 Scott Bambrough <scottb@netwinder.org>
11673 * config/arm/linux-elf.h: define NO_IMPLICIT_EXTERN_C
11675 Thu Sep 9 01:55:21 1999 Richard Henderson <rth@cygnus.com>
11677 * toplev.c (main): Always init_ggc.
11679 Wed Sep 8 23:53:22 1999 Richard Henderson <rth@cygnus.com>
11681 * except.c (find_all_handler_type_matches): Free the list if
11682 we found no matches.
11684 * combine.c (SUBST): Break out to a real function do_SUBST.
11685 (SUBST_INT): Likewise.
11686 * gcse.c (free_pre_mem): Free `temp_bitmap'.
11687 (pre_insert): Free `inserted'.
11688 * loop.c (basic_induction_var): Always set `location'.
11690 * function.c (expand_function_end): Add initial_trampoline as a root.
11691 * rtl.h (init_varasm_once): Declare.
11692 * toplev.c (compile_file): Call it.
11693 * ggc-simple.c (ggc_mark_string_ptr): New.
11694 (ggc_add_string_root): New.
11695 (ggc_collect): Disable collection avoidance temporarily.
11696 * ggc.h (ggc_add_string_root): Declare.
11697 * except.c (create_rethrow_ref): Use ggc_alloc_string.
11698 * optabs.c (init_libfuncs): Likewise.
11699 * varasm.c (named_section): Use ggc_alloc_string.
11700 (make_function_rtl): Likewise.
11701 (make_decl_rtl): Likewise.
11702 (assemble_static_space): Likewise.
11703 (assemble_trampoline_template): Likewise.
11704 (output_constant_def): Likewise.
11705 (force_const_mem): Likewise.
11706 (mark_const_hash_entry): New.
11707 (mark_pool_sym_hash_table): New.
11708 (mark_varasm_state): Use it.
11709 (init_varasm_once): New.
11711 * expr.h (init_one_libfunc): Declare.
11712 * optabs.c (init_one_libfunc): New.
11713 (init_optabs): Use it.
11714 * config/gofast.h: Likewise.
11715 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Likewise.
11716 * config/sparc/sparc.h (INIT_TARGET_OPTABS): Likewise.
11718 Thu Sep 9 13:46:06 1999 Geoffrey Keating <geoffk@cygnus.com>
11720 * Makefile.in (cppexp.o): Depend on cpphash.h.
11721 * cppexp.c (cpp_lex): Handle `defined (xxx)' for poisoned xxx.
11723 * cpphash.c (special_symbol): Handle plain `xxx' for poisoned xxx.
11724 * cpplib.c (do_define): Generalise to handle poisoned definitions,
11725 redefining poisoned identifiers, etc.
11726 (do_undef): Don't allow poisoned identifiers to be undefined.
11727 (do_pragma): Add #pragma poison.
11728 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
11730 * cccp.c: Add T_POISON node type.
11731 (special_symbol): Handle `defined(xxx)' and plain `xxx' for
11733 (do_define): Generalise to handle poisoned definitions,
11734 redefining poisoned identifiers, etc.
11735 (do_undef): Don't allow poisoned identifiers to be undefined.
11736 (do_pragma): Add #pragma poison.
11737 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
11739 * c-pragma.c (handle_pragma_token): Ignore #pragma poison.
11740 * c-pragma.h: Add ps_poison state. We now always have generic
11743 Wed Sep 8 20:30:42 1999 Mark Mitchell <mark@codesourcery.com>
11745 * ggc.h (ggc_alloc): New function.
11746 (ggc_mark): Likewise.
11747 * ggc-simple.c (ggc_any): New structure.
11748 (ggc_status): Add anys.
11749 (n_anys_collected): New variable.
11750 (ggc_alloc): Define.
11751 (ggc_mark): Likewise.
11752 (ggc_collect): Collect the anys.
11754 Wed Sep 8 20:15:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11756 * c-decl.c (mark_binding_level): Make static to match prototype.
11758 Wed Sep 8 16:41:27 1999 Richard Henderson <rth@cygnus.com>
11760 * flow.c (new_insn_dead_notes): Don't early out for preexisting regs.
11762 Wed Sep 8 16:07:52 1999 Richard Henderson <rth@cygnus.com>
11764 * gengenrtl.c (CONST_DOUBLE_FORMAT): Take the size REAL_ARITHMETIC
11765 will use into account. Expand the max width to 5.
11768 Wed Sep 8 16:01:14 1999 Richard Henderson <rth@cygnus.com>
11770 * ggc-simple.c (ggc_free_rtx): Poison the correct amount
11771 for the rtx length.
11773 Wed Sep 8 15:23:54 1999 Richard Henderson <rth@cygnus.com>
11775 * alpha.md (call value patterns): Remove the result predicates.
11777 Wed Sep 8 13:35:38 1999 Richard Henderson <rth@cygnus.com>
11779 * Makefile.in (stmp-fixinc): Remove extraneous exit 1 from
11782 Wed Sep 8 15:32:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11784 * system.h (sbrk, malloc, calloc, realloc): Backup prototypes
11785 changed from extern char *, to extern PTR. Also fix typo in
11786 NEED_DECLARATION_REALLOC test.
11788 * mips-tdump.c (malloc, calloc, realloc): Don't prototype.
11790 Wed Sep 8 11:40:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11792 * gansidecl.h (__attribute__, ATTRIBUTE_UNUSED_LABEL,
11793 ATTRIBUTE_UNUSED, ATTRIBUTE_NORETURN, ATTRIBUTE_PRINTF,
11794 ATTRIBUTE_PRINTF_1, ATTRIBUTE_PRINTF_2, ATTRIBUTE_PRINTF_3,
11795 ATTRIBUTE_PRINTF_4, ATTRIBUTE_PRINTF_5, GENERIC_PTR): Delete.
11797 * c-decl.c (field_decl_cmp): Use PTR instead of GENERIC_PTR.
11799 * cccp.c (pcfinclude): Likewise.
11801 * global.c (allocno_compare): Likewise.
11803 * haifa-sched.c (rank_for_schedule): Likewise.
11805 * local-alloc.c (qty_sugg_compare_1, qty_compare_1): Likewise.
11807 * reload1.c (hard_reg_use_compare, reload_reg_class_lower): Likewise.
11809 * stupid.c (stupid_reg_compare): Likewise.
11811 * tree.c (_obstack_allocated_p): Likewise.
11813 * varray.h (varray_data_tag, VARRAY_GENERIC_PTR_INIT): Likewise.
11815 1999-09-08 Bruce Korb autogen@linuxbox.com
11817 * gcc/ch/Makefile.in: Give the hapless gperf user a hint about
11818 why "gperf -F" fails.
11819 * gcc/cp/Makefile.in: ditto
11820 * gcc/Makefile.in: ditto
11821 * gcc/java/Makefile.in: ditto
11823 Wed Sep 8 04:43:22 1999 Richard Henderson <rth@cygnus.com>
11825 * lists.c: Include ggc.h.
11827 (init_EXPR_INSN_LIST_cache): Install it.
11829 * ggc-simple.c (init_ggc): Absorb the old init.
11830 (ggc_push_context): Use xcalloc.
11831 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Likewise.
11832 (ggc_collect): Add [rvts] tags to the collection stats.
11834 Wed Sep 8 11:14:25 1999 Andreas Schwab <schwab@suse.de>
11836 * cccp.c (main): Fix handling of -include and -imacros options.
11838 Wed Sep 8 02:23:08 1999 Jeffrey A Law (law@cygnus.com)
11840 * cpplib.c (cpp_push_buffer): Fix order of arguments.
11842 Wed Sep 8 04:44:09 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
11844 * rtl.h (obstack_alloc_rtx): Removed, it's now static in
11847 Wed Sep 8 00:33:43 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
11849 * flow.c (insn_dead_p): Use XEXP rather than SUBREG_REG.
11850 * haifa-sched.c (sched_analyze_1): Use XEXP rather than SUBREG_REG
11851 and SET_DEST. Update comment.
11853 Wed Sep 8 18:55:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11855 * config/c4x/c4x.c: Include ggc.h.
11856 (c4x_add_gc_roots): New function.
11857 (c4x_override_options): Call c4x_add_gc_roots.
11859 Wed Sep 8 00:00:16 1999 Richard Henderson <rth@cygnus.com>
11861 * defaults.h (TARGET_ESC): Move ...
11862 * system.h: ... here, where Linas had it in the first place. Silly me.
11864 Tue Sep 7 23:46:35 1999 Linas Vepstas <linas@linas.org>
11866 * c-common.c: Use ISGRAPH, ISLOWER, toupper.
11867 * c-lex.c, cccp.c, cexp.c, cexp.y, cppexp.c, dwarf2out.c, genattr.c,
11868 genattrtab.c, genemit.c, genextract.c, genpeep.c, tree.c: Likewise.
11869 * system.h (IN_CTYPE_DOMAIN): Define to 1 if HOST_EBCDIC.
11870 * defaults.h (TARGET_ESC): Add default.
11872 Tue Sep 7 23:36:59 1999 Linas Vepstas <linas@linas.org>
11874 * configure.in: add i370-*-openedition, i370-*-mvs and
11875 i370-*-linux targets
11877 Tue Sep 7 23:31:53 1999 Mark Mitchell <mark@codesourcery.com>
11879 * dsp16xxx.c: Include ggc.h
11880 (override_options): Mark GC roots.
11881 * mn10200.c: Include ggc.h.
11882 (asm_file_start): Mark GC roots.
11883 * tahoe.c: Include ggc.h.
11884 (extensible_operand): Mark GC roots.
11886 Tue Sep 7 23:23:15 1999 Linas Vepstas <linas@linas.org>
11888 * README: Add section discussing status of ELF ABI.
11889 * i370.c: Fix misc spelling mistakes.
11890 (i370_label_scan): Updated notes, exception handling.
11891 (i370_function_prolog): Simplify ELF stack handling.
11892 * i370.h: (FIXED_REGISTERS): Free up r12 for ELF.
11893 (STACK_GROWS_DOWNWARD): ELF stack grows down.
11894 (ASM_DECLARE_FUNCTION_NAME): Fix crazy malloc size.
11895 * i370.md: (movdi): Add notes.
11896 (floatsidf2): Use stack not rtca for scratch float area.
11897 (iorsi3): Correct operand constraints.
11898 * x-oe: Restore TAROUTOPTS which are used by pax.
11900 Tue Sep 7 22:39:18 1999 Mark Mitchell <mark@codesourcery.com>
11902 * rs6000.c: Include ggc.h.
11903 (rs6000_add_gc_roots): New function.
11904 (override_options): Call it.
11906 Tue Sep 7 22:09:03 1999 Richard Henderson <rth@cygnus.com>
11908 * alpha.h (alpha_compare): New.
11909 (alpha_compare_op0, alpha_compare_op1, alpha_compare_fp_p): Remove.
11910 * alpha.c: Likewise for the definitions.
11911 (alpha_emit_conditional_branch): Update for alpha_compare.
11912 (alpha_emit_conditional_move): Likewise.
11913 * alpha.md (cmpdf, cmpdi): Likewise.
11914 (setcc patterns): Likewise. Zero alpha_compare after use.
11915 (sne): Optimize (x != 0) into (0U < x).
11917 Tue Sep 7 21:55:02 1999 Richard Henderson <rth@cygnus.com>
11919 * alpha.h (alpha_eh_epilogue_sp_ofs): Remove.
11920 (struct machine_function): Declare; add eh_epilogue_sp_ofs.
11921 (INIT_EXPANDERS): Remove.
11922 * alpha.c: Include ggc.h.
11923 (alpha_eh_epilogue_sp_ofs, alpha_return_addr_rtx): Remove.
11924 (alpha_init_machine_status, alpha_mark_machine_status): New.
11925 (override_options): Install them.
11926 (struct machine_function): Moved to alpha.h.
11927 (alpha_save_machine_status, alpha_restore_machine_status): Remove.
11928 (alpha_init_expanders): Remove.
11929 (alpha_return_addr): Adjust to use current_function->machine.
11930 (alpha_ra_ever_killed): Likewise.
11931 (alpha_expand_epilogue): Likewise.
11932 * alpha.md (eh_epilogue): Likewise.
11934 Wed Sep 8 14:34:42 1999 Ian Piumarta <piumarta@prof.inria.fr>
11935 Melissa O'Neill <oneill@cs.sfu.ca>
11936 Geoffrey Keating <geoffk@cygnus.com>
11938 * config/rs6000/rs6000.c (first_reg_to_save): Don't save fixed or
11939 call-used registers (call-saved registers must still be contiguous
11940 and end with r31, of course).
11942 Tue Sep 7 21:41:38 1999 Richard Henderson <rth@cygnus.com>
11944 * c-typeck.c (type_lists_compatible_p): Use simple_type_promotes_to.
11945 (self_promoting_type_p): Delete.
11946 (self_promoting_args_p): Move ...
11947 * c-common.c: ... here.
11948 (c_common_nodes_and_builtins): Initialize lang_type_promotes_to.
11949 (simple_type_promotes_to): New.
11950 * builtins.c (lang_type_promotes_to): New.
11951 (expand_builtin_va_arg): Use it to give diagnostic for illegal types.
11952 * c-tree.h (C_PROMOTING_INTEGER_TYPE_P): Move ...
11953 * c-common.h: ... here.
11954 (self_promoting_args_p, simple_type_promotes_to): Declare.
11955 * c-decl.c (duplicate_decls): Use simple_type_promotes_to.
11956 (grokdeclarator): Likewise.
11957 * tree.h (lang_type_promotes_to): Declare.
11959 Tue Sep 7 17:15:21 1999 Mark Mitchell <mark@codesourcery.com>
11961 Add some machine-dependent GC roots.
11962 * sparc.c: Include ggc.h.
11963 (sparc_add_gc_roots): New function.
11964 (mark_ultrasparc_pipeline_state): Likewise.
11965 (override_options): Call sparc_add_gc_roots.
11966 * pa.c: Include ggc.h.
11967 (pa_add_gc_roots): New function.
11968 (mark_deferred_plabels): Likewise.
11969 (override_options): Call pa_add_gc_roots.
11970 * mips.c: Include ggc.h.
11971 (mips_add_gc_roots): New function.
11972 (override_options): Use it.
11974 Tue Sep 7 11:39:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11976 * cpperror.c (cpp_file_line_for_message): Constify a char*.
11978 * cppexp.c (parse_number, parse_charconst, cpp_lex,
11979 cpp_parse_expr): Add static prototypes.
11980 (parse_charconst): Don't cast away const-ness.
11981 (token): Constify a char*.
11983 * cppfiles.c (file_name_list, include_hash, find_include_file,
11984 finclude, initialize_input_buffer): Constify a char*.
11985 (file_cleanup, find_position): Add static prototypes.
11987 * cpphash.c (macro_cleanup, macarg, timestamp, special_symbol,
11988 collect_expansion): Add static prototypes.
11989 (cpp_install, create_definition, monthnames): Constify a char*.
11991 * cpphash.h (cpp_install): Likewise.
11993 * cppinit.c (known_suffixes, default_include,
11994 dump_special_to_buffer, NAME, cpp_start_read, cpp_finish): Likewise.
11995 (base_name, dump_special_to_buffer, initialize_dependency_output):
11996 Add static prototypes.
11998 * cpplib.c (my_strerror): Constify a char*.
11999 (null_underflow, null_cleanup, skip_comment, copy_comment,
12000 copy_rest_of_line, handle_directive, pass_thru_directive,
12001 get_directive_token, read_line_number, cpp_print_file_and_line,
12002 v_cpp_error, v_cpp_warning, v_cpp_error_with_line,
12003 v_cpp_warning_with_line, detect_if_not_defined,
12004 consider_directive_while_skipping): Add static prototypes.
12005 (pass_thru_directive, check_macro_name, cpp_expand_to_buffer,
12006 cpp_pedwarn_with_file_and_line): Constify a char*.
12008 * cpplib.h (cpp_options, include_hash, progname, definition,
12009 cpp_pedwarn_with_file_and_line, cpp_expand_to_buffer,
12010 check_macro_name, cpp_pfatal_with_name, cpp_file_line_for_message,
12011 find_include_file, deps_output, include_hash): Constify a char*.
12013 * cppmain.c (progname): Constify.
12014 (main): Add prototype. Use return, not exit.
12016 * fix-header.c (fatal, add_symbols, lookup_std_proto, write_lbrac,
12017 recognized_macro, check_macro_names, read_scan_file, write_rbrac,
12018 inf_skip_spaces, inf_read_upto, inf_scan_ident, inf_scan_ident,
12019 check_protection): Add static prototype.
12021 (progname, recognized_macrom, recognized_extern): Constify a char*.
12022 (main): Add prototype.
12024 * gen-protos.c (progname): Constify a char*.
12026 Tue Sep 7 00:47:52 1999 Mark Mitchell <mark@codesourcery.com>
12028 * emit-rtl.c (free_emit_status): Take decl as a parameter.
12029 (init_emit_once): Add more GC roots.
12030 * except.c (mark_func_eh_entry): New function.
12031 (mark_eh_node): Mark false_label and rethrow_label.
12032 (init_eh): Add more GC roots.
12033 * function.c (free_after_compilation): Take decl as a paramter.
12034 Call free_stmt_status.
12035 (mark_function_state): Don't assume x_parm_reg_stack_loc is
12037 * function.h (free_after_compilation): Change prototype.
12038 (free_varasm_status): Likewise.
12039 (free_emit_status): Likewise.
12040 (free_stmt_status): New function.
12041 * ggc-simple.c (rtx, vecs, trees, strings, bytes_alloced_since_gc):
12042 Remove, replacing with ...
12043 (ggc_status): New structure.
12044 (ggc_chain): New variable.
12045 (init_gcc): Define.
12046 (ggc_push_context): New function.
12047 (ggc_pop_context): Likewise.
12048 (ggc_alloc_rtx): Adjust for use of ggc_chain.
12049 (ggc_alloc_rtvec): Likewise.
12050 (ggc_alloc_tree): Likewise.
12051 (ggc_alloc_string): Likewise.
12052 (ggc_mark_rtx): Mark NOTE_SOURCE_FILE and NOTE_RANGE_INFO.
12053 (ggc_mark_tree): Give language-dependent code a chance to mark
12055 (ggc_mark_tree_varray): Handle empty arrays.
12056 (ggc_collect): Adjust for use of ggc_chain. Clear
12057 bytes_alloced_since_last_gc.
12058 * ggc.h (ggc_pop_context): New function.
12059 (ggc_push_context): Likewise.
12060 * print-tree.c (print_node): Don't print obstacks when GC'ing.
12061 * stmt.c (free_stmt_status): New function.
12062 (init_stmt_for_function): Clear last_expr_value.
12063 * toplev.c (rest_of_compilation): Always call free_after_compilation.
12064 Conditionalize call to ggc_collect.
12065 (main): Call init_ggc.
12066 * tree.c (push_obstacks): Do the push, even when GC'ing.
12067 (push_obstacks_nochange): Likewise.
12068 (pop_obstacks): Liekwise.
12069 * varasm.c (free_varasm_status): Take decl as a parameter.
12071 Tue Sep 7 08:15:49 1999 Gavin Romig-Koch <gavin@cygnus.com>
12073 * config/mips/mips.h (MULTILIB_ENDIAN_DEFAULT) : New macro.
12074 (MULTILIB_ENDIAN_DEFAULT) : Use the new macro.
12075 * config/mips/elf64.h (MULTILIB_DEFAULTS) : Use the new macro.
12076 * config/mips/r3900.h (MULTILIB_DEFAULTS) : Use the new macro.
12078 Tue Sep 7 03:42:45 1999 Mark Klein (mklein@dis.com)
12080 * pa/x-pa-mpeix: New file for the MPE port.
12082 * pa/quadlib.asm: New file for long double support.
12084 * configure.in: Add hppa1.0-*-mpeix for MPE port.
12085 * configure: Rebuilt.
12087 Tue Sep 7 10:08:40 1999 Andreas Schwab <schwab@suse.de>
12089 * final.c (shorten_branches): Fix last change.
12091 Tue Sep 7 00:30:32 1999 Jeffrey A Law (law@cygnus.com)
12093 * pa.h (ASM_OUTPUT_DOUBLE_INT): Delete.
12095 Mon Sep 6 22:44:47 1999 Jeffrey A Law (law@cygnus.com)
12097 * Merge from gcc2 snapshot Jan 9, 1999. See FSFChangeLog for
12100 Mon Sep 6 22:31:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12102 * c-aux-info.c (concat): Don't define.
12104 * cccp.c (my_strerror): Likewise. All callers changed to use
12106 (do_include): Call xstrdup, not xmalloc/strcpy.
12107 (grow_outbuf): Don't check if xrealloc returns NULL, it can't.
12108 (xmalloc, xrealloc, xcalloc, xstrdup): Don't define.
12110 * collect2.c (my_strsignal): Likewise. All callers changed to use
12112 (locatelib): Call xstrdup, not xmalloc/strcpy.
12114 * 1750a.h (ASM_OUTPUT_INTERNAL_LABEL): Call xmalloc, not malloc.
12116 * dsp16xx.c (override_options): Call xstrdup, not xmalloc/strcpy.
12118 * i370.h (ASM_DECLARE_FUNCTION_NAME): Call xmalloc, not malloc.
12120 * mips.c (build_mips16_call_stub): Call xstrdup, not xmalloc/strcpy.
12122 * cppinit.c (cpp_options_init): Call xcalloc, not xmalloc/bzero.
12124 * dwarfout.c (dwarfout_init): Call concat, not xmalloc/strcpy/...
12126 * except.c (new_eh_region_entry): Call xmalloc/xrealloc, not
12128 (find_all_handler_type_matches): Likewise. Don't check return
12130 (get_new_handler, init_insn_eh_region, process_nestinfo): Call
12131 xmalloc, not malloc.
12132 (init_eh_nesting_info): Likewise. Call xcalloc, not xmalloc/bzero.
12134 * gcc.c (xstrerror, xmalloc, xrealloc): Don't define.
12135 (init_spec): Call xcalloc, not xmalloc/bzero.
12136 (set_spec): Call xstrdup, not save_string.
12137 (record_temp_file): Call xstrdup, not xmalloc/strcpy.
12138 (find_a_file): Call xstrdup, not xmalloc/strcpy.
12139 (process_command): Call xstrdup, not save_string.
12140 (main): Call xcalloc, not xmalloc/bzero.
12142 * gcov.c (xmalloc): Don't define.
12143 (create_program_flow_graph): Call xcalloc, not xmalloc/bzero.
12144 (scan_for_source_files): Call xstrdup, not xmalloc/strcpy.
12145 (output_data): Call xcalloc, not xmalloc/bzero.
12147 * haifa-sched.c (schedule_insns): Call xcalloc, not xmalloc/bzero.
12149 * mips-tdump.c (xmalloc): Don't define.
12150 (print_symbol): Call xmalloc, not malloc.
12151 (read_tfile): Call xcalloc, not calloc.
12153 * mips-tfile.c (xfree, my_strsignal, xmalloc, xcalloc, xrealloc):
12154 Don't define. All callers of xfree/my_strsignal changed to use
12155 free/strsignal instead.
12156 (allocate_cluster): Call xcalloc, not calloc.
12158 * objc/objc-act.c (lang_init): Call concat, not xmalloc/strcpy/...
12159 Fix memory leak, free allocated memory.
12161 * prefix.c (translate_name): Call xstrdup, not save_string.
12162 (update_path): Likewise.
12164 * profile.c (branch_prob): Call xstrdup, not xmalloc/strcpy.
12166 * protoize.c (xstrerror, xmalloc, xrealloc, xfree, savestring2):
12167 Don't define. Callers of xfree/savestring2 changed to use
12168 free/concat instead.
12170 * reload1.c (reload): Call xcalloc, not xmalloc/bzero.
12171 (init_elim_table): Likewise.
12173 * resource.c (init_resource_info): Likewise.
12175 * stupid.c (stupid_life_analysis): Likewise.
12177 * toplev.c (xmalloc, xcalloc, xrealloc, xstrdup): Don't define.
12178 (open_dump_file): Call concat, not xmalloc/strcpy/...
12179 (clean_dump_file): Likewise.
12180 (compile_file): Call xstrdup, not xmalloc/strcpy.
12182 Mon Sep 6 15:04:55 1999 Richard Henderson <rth@cygnus.com>
12184 * v850.h (EXPAND_BUILTIN_VA_ARG): New.
12185 * v850.c (v850_va_arg): New.
12187 Tue Sep 7 09:36:01 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12189 * haifa-sched.c: Tidy comments.
12191 Mon Sep 6 14:30:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12193 * Makefile.in (C_AND_OBJC_OBJS): Remove ggc-callbacks.o.
12194 (c-parse.o, c-decl.o, c-lang.o, c-lex.o, c-common.o,
12195 $(out_object_file)): Depend on ggc.h.
12196 * c-common.c: Include "ggc.h".
12197 (combine_strings): If doing GC, use ggc_alloc_string.
12198 * c-decl.c: Include "ggc.h".
12199 (ggc_p): Define with value 0.
12200 (mark_binding_level): New function.
12201 (init_decl_processing): Add GC roots.
12202 (mark_c_function_context): New function.
12203 (lang_mark_false_label_stack): New function.
12204 (lang_mark_tree): New function.
12205 (lang_cleanup_tree): New function.
12206 * c-lang.c: Include "ggc.h".
12207 (lang_init): Call c_parse_init.
12208 * c-lex.c: Include "ggc.h".
12209 (check_linenum): If doing GC, don't copy filenames to permanent
12211 * c-parse.in: Include "ggc.h".
12212 (c_parse_init): New function.
12213 * c-tree.h (c_parse_init, mark_c_function_context): Declare.
12214 * objc/Make-lang.in (objc-parse.o): Depend on ggc.h.
12216 * except.c (mark_eh_state): Mark more state.
12217 * function.c (mark_function_state): Likewise.
12218 * ggc-simple.c (ggc_alloc_rtvec): Bring in sync with non-gc version.
12219 (ggc_alloc_string) [GGC_DUMP]: Fix typo.
12220 * toplev.c (mark_file_stack): New function.
12221 (compile_file): If doing GC, use ggc_alloc_string on input filename.
12222 (main): Add root for input_file_stack.
12224 * i386.c: Include "ggc.h".
12225 (ix86_mark_machine_status): New function.
12226 (override_options): Set mark_machine_status.
12228 Mon Sep 6 15:26:23 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12230 * tree.c (copy_node): Copy node contents also if doing GC.
12232 Mon Sep 6 08:42:06 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
12234 * collect2.c (scan_libraries): Fix double-thinko :-).
12236 Mon Sep 6 02:42:36 1999 Jeffrey A Law (law@cygnus.com)
12238 * collect2.c (scan_libraries): Fix thinko.
12240 * cse.c (delete_trivially_dead_insns): Do not skip the last
12241 insn if it is a real insn.
12243 Sun Sep 5 18:57:42 1999 Mark Mitchell <mark@codesourcery.com>
12245 * Makefile.in (ggc-simple.o): Depend on hash.h.
12246 * ggc.h (ggc_add_tree_hash_table_root): Declare.
12247 (ggc_mark_tree_varray): Likewise.
12248 (ggc_mark_tree_hash_table): Likewise.
12249 * ggc-simple.c: Include hash.h.
12250 (ggc_mark_tree_hash_table_ptr): New function.
12251 (ggc_mark_tree_hash_table_entry): Likewise.
12252 (ggc_mark_tree_hash_table): Likewise.
12253 (ggc_add_tree_hash_table_root): Likewise.
12254 * varray.h (const_equiv_data): Use struct rtx_def *, rather than
12255 rtx, when defining fields.
12257 Sun Sep 5 18:57:42 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
12259 * profile.c (output_func_start_profiler): Remove apparently
12260 nonsensical call to start_sequence.
12262 Sun Sep 5 17:34:33 1999 Richard Henderson <rth@cygnus.com>
12264 * clipper/clipper.c (clipper_va_start): Fix typos.
12266 * pyr/pyr.c (pyr_build_va_list, pyr_va_start, pyr_va_arg): New stubs.
12267 * spur/spur.c (spur_build_va_list, spur_va_start): New stubs.
12268 (spur_va_arg): New stub.
12270 * configure.in: Comment out pyramid.
12272 Sun Sep 5 19:11:01 1999 Michael Meissner <meissner@cygnus.com>
12274 * i386.h (MASK_{DEBUG_{ADDR,ARG},INTEL_SYNTAX}): Move so these
12275 don't conflict with the bits that win32, cygwin, and dgux
12278 Sun Sep 5 09:31:56 1999 Richard Henderson <rth@cygnus.com>
12279 Bernd Schmidt <bernds@cygnus.co.uk>
12281 * integrate.c (function_cannot_inline_p): Do not inline
12282 functions with forced labels.
12284 Sun Sep 5 00:35:17 1999 Richard Henderson <rth@cygnus.com>
12285 Bernd Schmidt <bernds@cygnus.co.uk>
12286 Mark Mitchell <mark@codesourcery.com>
12288 * Makefile.in (ggc-simple.o): Depend on varray.h.
12289 (rtl.o): Depend on ggc.h.
12290 (genattrtab.o): Depend on ggc.h.
12291 (print-tree.o): Likewise.
12292 (fold-const.o): Likewise.
12293 * emit-rtl.c (sequence_element_free_list): Remove, and all references.
12294 (make_insn_raw): Don't cache insns when GC'ing.
12295 (emit_insn_before): Likewise.
12296 (emit_insn_after): Likewise.
12297 (emit_insn): Likewise.
12298 (start_sequence): Use xmalloc to allocate the sequence_stack.
12299 (end_sequence): Add free to free it.
12300 (gen_sequence): Don't cache insns when GC'ing.
12301 (clear_emit_caches): Don't use sequence_element_free_list.
12302 (init_emit): Use xcalloc, not xmalloc+bzero.
12303 * fold-const.c (size_int_wide): Kill the cache, when GC'ing.
12304 * function.c (pop_function_context_from): Use free to free the
12305 fixup_var_refs_queue.
12306 (put_reg_into_stack): Allocate it with xmalloc.
12307 * genattrtab.c: Include ggc.h.
12308 (operate_exp): Don't use obstack_free when GC'ing.
12309 (simplify_cond): Likewise.
12310 (simplify_text_exp): Likewise.
12311 (optimize_attrs): Likewise.
12312 * gengenrtl.c (gendef): Use ggc_alloc_rtx to allocate RTL, when
12314 (gencode): Generate a #include for ggc.h.
12315 * ggc-callbacks.c (ggc_p): Define it to zero.
12316 * ggc-none.c (ggc_p): Likewise.
12317 * ggc-simple.c: Include varray.h.
12318 (ggc_mark_tree_varray): New function.
12319 (ggc_add_tree_varray_root): Likewise.
12320 (ggc_mark_tree_varray_ptr): Likewise.
12321 * ggc.h (ggc_p): Declare.
12322 (varray_head_tag): Likewise.
12323 (ggc_add_tree_varray_root): Declare.
12324 * print-tree.c (print_node): Don't check for TREE_PERMANENT
12325 inconsistencies when GC'ing.
12326 * rtl.c: Include ggc.h.
12327 (rtvec_alloc): Use ggc_alloc_rtvec when GC'ing.
12328 (rtx_alloc): Use ggc_alloc_rtx when GC'ing.
12329 (rtx_free): Don't call obstack_free when GC'ing.
12330 * toplev.c (rest_of_compilation): Call ggc_collect after every
12332 * tree.c (push_obstacks): Do nothing, if GC'ing.
12333 (pop_obstacks_nochange): Likewise.
12334 (pop_obstacks): Likewise.
12335 (make_node): Use ggc_alloc_tree when GC'ing.
12336 (copy_node): Likewise.
12337 (get_identifier): Use ggc_alloc_string when GC'ing.
12338 (build_string): Likewise.
12339 (make_tree_vec): Use ggc_alloc_tree when GC'ing.
12340 (tree_cons): Likewise.
12341 (build1): Likewise.
12342 (type_hash_canon): Don't call obstack_free when GC'ing.
12344 Sat Sep 4 21:52:32 1999 Richard Henderson <rth@cygnus.com>
12346 * haifa-sched.c (schedule_block): Use next_nonnote_insn instead
12347 of NEXT_INSN when examining speculative insns for SCHED_GROUP_P.
12349 Sat Sep 4 20:40:19 1999 Richard Henderson <rth@cygnus.com>
12350 Bernd Schmidt <bernds@cygnus.co.uk>
12351 Mark Mitchell <mark@codesourcery.com>
12353 * Makefile.in (stor-layout.o): Depend on ggc.h.
12354 (expr.o): Depend on ggc.h.
12355 (profile.o): Depend on ggc.h.
12356 (stor-layout.o): Depend on ggc.h.
12357 * emit-rtl.c (init_emit_once): Add gc roots.
12358 * expr.c: Include ggc.h.
12359 (emit_block_move): Add gc roots.
12360 (clear_storage): Likewise.
12361 * expr.h (init_stor_layout_once): New function.
12362 * profile.c: Include ggc.h.
12363 (init_arc_profiler): profiler_label is a root.
12364 * scan.c (make_sstring_space): Trust xrealloc to function
12365 correctly with first parameter NULL.
12366 * stor-layout.c: Include ggc.h.
12367 (set_sizetype): Add gc root.
12368 (init_stor_layout_once): New function.
12369 * toplev.c (compile_file): Call it.
12371 Sat Sep 4 19:26:25 1999 Richard Henderson <rth@cygnus.com>
12372 Bernd Schmidt <bernds@cygnus.co.uk>
12373 Mark Mitchell <mark@codesourcery.com>
12375 * Makefile.in (tree.o): Depend on ggc.h.
12376 (varasm.o): Likewise.
12377 (function.o): Likewise.
12378 (stmt.o): Likewise.
12379 (except.o): Likewise.
12380 (optabs.o): Likewise.
12381 (emit-rtl.o): Likewise.
12382 * emit-rtl.c: Include ggc.h.
12383 (sequence_element_free_list): Remove, and all references.
12384 (mark_sequence): New functions.
12385 (mark_emit_state): New function.
12386 * except.c: Include ggc.h.
12387 (mark_eh_node, mark_eh_stack, mark_eh_queue): New functions.
12388 (mark_tree_label_node): New functions.
12389 (mark_eh_state): New function.
12390 * function.c: Include ggc.h.
12391 (mark_temp_slot, mark_function_chain): New functions.
12392 (mark_function_state): New function.
12393 (init_function_once): New function.
12394 * function.h (init_function_once): New function.
12395 * ggc-callbacks.c (lang_mark_false_label_stack): New function.
12396 * ggc.h (label_node): Declare.
12397 (eh_status, emit_status, stmt_status, varasm_status): Likewise.
12398 (lang_mark_false_label_stack): New function.
12399 (mark_temp_slot): Remove declaration.
12400 (mark_function_chain): Likewise.
12401 (mark_eh_state): Adjust prototype.
12402 (mark_stmt_state, mark_emit_state, mark_varasm_state, mark_optab):
12404 * optabs.c: Include ggc.h.
12405 (mark_optab): New function.
12406 (init_optabs): Add gc roots.
12407 * stmt.c: Include ggc.h.
12408 (mark_cond_nesting, mark_loop_nesting): New functions.
12409 (mark_block_nesting, mark_case_nesting, mark_goto_fixup): Likewise.
12410 (mark_stmt_state): New function.
12411 * toplev.c (compile_file): Call init_function_once.
12412 * tree.c: Include ggc.h.
12413 (type_hash): Move declaration earlier in file.
12414 (TYPE_HASH_SIZE, type_hash_table): Likewise.
12415 (init_obstacks): Add gc roots.
12416 (mark_type_hash): New function.
12417 * varasm.c: Include ggc.h.
12418 (mark_pool_constant): New function.
12419 (mark_varasm_state): New function.
12421 Sat Sep 4 22:28:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12423 * ggc-simple.c (ggc_root, ggc_collect): Wrap prototype with PROTO.
12425 Sat Sep 4 18:01:45 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12427 * c-decl.c (struct language_function): Renamed from struct c_function.
12429 (c_function_chain): Delete.
12430 (push_c_function_context): New arg F. Don't warn about nested
12431 functions here. Fill LANGUAGE elt of F. Delete code to update
12432 c_function_chain. Don't call push_function_context.
12433 (pop_c_function_context): New arg F. Restore from there instead of
12434 from c_function_chain. Don't call pop_function_context. Clear out
12435 LANGUAGE field of F when done.
12436 * c-lang.c: Include "function.h"
12437 (lang_init): Initialize save_lang_status and restore_lang_status.
12438 * c-parse.in (nested_function, nested_function_notype): Warn about
12439 nested functions. Call push_function_context/pop_function_context
12440 instead of the _c_ variants.
12441 * c-tree.h (push_c_function_context, pop_c_function_context): Update
12443 * Makefile.in (c-lang.o): Update dependencies.
12445 * emit-rtl.c (init_emit): Use xmalloc to allocate regno_reg_rtx,
12446 regno_pointer_flag, regno_pointer_align.
12447 (gen_reg_rtx): Use xrealloc to enlarge them.
12448 (free_emit_status): New function.
12449 * function.c (mark_machine_status, mark_lang_status): New variables.
12450 (assign_stack_local_1): Renamed from assign_outer_stack_local. Merge
12451 in some bits from assign_stack_local. All callers changed to use new
12453 (assign_stack_local): Just call assign_stack_local_1.
12454 (free_after_compilation): New function.
12455 (put_reg_into_stack): Simplify to always call assign_stack_local_1.
12456 (trampoline_address): Likewise.
12457 (assign_parms): Use xcalloc/xrealloc to allocate parm_reg_stack_loc.
12458 (prepare_function_start): Explicitly clear some more variables.
12459 * function.h (struct function): New elt can_garbage_collect.
12460 (mark_machine_status, mark_lang_status): Declare variables.
12461 (free_after_compilation, free_emit_status, free_varasm_status,
12462 init_varasm_status): Declare functions.
12463 * toplev.c (rest_of_compilation): Call free_after_compilation when
12464 done with the current function.
12465 * varasm.c (free_varasm_status): New function.
12467 Sat Sep 4 17:15:13 1999 Richard Henderson <rth@cygnus.com>
12469 * sparc.h (EXPAND_BUILTIN_VA_START): Define.
12470 (EXPAND_BUILTIN_VA_ARG): Define.
12471 * sparc.c (sparc_va_start): New.
12472 (sparc_va_arg): New.
12474 Sun Sep 5 11:11:59 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12476 * config/c4x/c4x.h (DBR_OUTPUT_SEQEND): Use XVECEXP not XEXPs.
12478 Sun Sep 5 10:13:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12480 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Disable.
12482 Sat Sep 4 13:44:01 1999 Mark Mitchell <mark@codesourcery.com>
12484 * Makefile.in (C_AND_C_OBJS): Add gcc-callbacks.o.
12485 (OBJS): Add $(GGC).
12486 (ggc-callbacks.o): New target.
12487 * ggc-callbacks.c: New file.
12489 Sat Sep 4 22:53:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12491 * expr.h: Collapse individual optab and libfunc vars to arrays.
12492 (optab_index, libfunc_index): New enumerations.
12493 (optab_table, libfunc_table): New arrays.
12494 Add accessor macros for both.
12496 * optabs.c (optab_table, libfunc_table): New.
12497 Delete declarations for individual optab and libfunc vars.
12499 Sat Sep 4 12:57:17 1999 Richard Henderson <rth@cygnus.com>
12501 * i386/sco5.h (RETURN_POPS_ARGS): Name change ix86_return_pops_args.
12503 Sat Sep 4 11:19:52 1999 Richard Henderson <rth@cygnus.com>
12505 * Makefile.in (GGC, GGC_LIB): New.
12506 (HOST_RTL): Include ggc-none.o.
12507 (ggc-simple.o): New target.
12508 (ggc-none.o): Likewise.
12509 * tree.h (tree_common): Add gc_mark.
12510 * rtl.h (struct rtx_def): Steal a bit from code to make gc_mark.
12511 (struct rtvec_def): Add gc_mark.
12512 * emit-rtl.c (global_rtl): Update static initializers to contain
12513 enough initializers.
12514 * ggc.h, ggc-none.c, ggc-simple.c: New files.
12515 * toplev.c (gc_time): New variable.
12516 (all_time): New variable.
12517 (compile_file): Print gc time.
12518 (print_time): Calculate percentage of the whole.
12520 Sat Sep 4 13:11:01 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12522 Change obstack memory management and varasm constant pool handling so
12523 that nested functions are treated like any other functions.
12524 * function.c (init_machine_status): New variable.
12525 (push_function_context_to): Set contains_functions for the outer
12526 function. Don't call save_varasm_status.
12527 (pop_function_context_from): Don't call restore_varasm_status. Don't
12528 set current_function_contains_functions.
12529 (prepare_function_start): Call init_varasm_status rather than
12530 init_const_rtx_hash_table. Call (*init_machine_status) if the pointer
12532 * function.h (struct function) Add field varasm. Delete fields
12533 inline_obstacks, inl_emit, const_rtx_hash_table, first_pool,
12534 last_pool, const_rtx_sym_hash_table, pool_offset, const_double_chain.
12535 (init_machine_status): Declare.
12536 (save_varasm_status, restore_varasm_status): Delete declarations.
12537 (save_tree_status, restore_tree_status): Delete last argument.
12538 * integrate.c (initialize_for_inline): Lose arg COPY. Delete copying
12539 code. All callers changed.
12540 (copy_decl_list, copy_decl_tree, copy_decl_rtls, copy_for_inline,
12541 save_constants_in_decl_trees, restore_constants, save_constants,
12542 save_for_inline_eh_labelmap, save_for_inline_copying): Delete
12544 (inlining): New variable.
12545 (reg_map, label_map, insn_map, orig_asm_operands_vector,
12546 copy_asm_operands_vector, copy_asm_constraints_vector): Delete
12548 (save_for_inline_nocopy): Don't save constants.
12549 Don't set inl_emit field in current_function.
12550 (expand_inline_function): Use emit field, not inl_emit, of the inlined
12551 function. Set new variable inlining before
12552 calling copy_rtx_and_substitute.
12553 (copy_rtx_and_substitute): In MEM and SYMBOL_REF cases, handle
12554 constant pool references if inlining is nonzero.
12555 Delete ADDRESS and (most of the) CONST cases.
12556 (output_inline_function): Save and restore current_function/
12557 current_function_decl. Delete restore_constants code. Don't call
12558 init_const_rtx_hash_table.
12559 * output.h (init_const_rtx_hash_table): Don't declare.
12560 * rtl.h (struct function): Declare.
12561 (get_pool_constant_for_function, get_pool_mode_for_function): Declare.
12562 * toplev.c (rest_of_compilation): Don't treat nested functions or
12563 functions containing them specially. Delete all code to deal with
12564 save_for_inline_copying.
12565 * tree.c (toplev_inline_obstacks, extra_inline_obstacks,
12566 inline_obstacks): Delete variables.
12567 (save_tree_status): Lose arg CONTEXT. All callers changed.
12568 Simply allocate a new function_maybepermanent_obstack for the new
12569 function, delete all the special cases.
12570 Don't save inline_obstacks.
12571 (restore_tree_status): Lose arg CONTEXT. All callers changed.
12572 Delete special handling for function_maybepermanent_obstack; simply
12574 Don't restore inline_obstacks.
12575 (permanent_allocation): Delete code that frees inline_obstacks.
12576 (print_inline_obstack_statistics): Delete function.
12577 (dump_tree_statistics): Don't call it.
12578 * varasm.c (struct varasm_status): New.
12579 (const_rtx_hash_table, const_rtx_sym_hash_table, first_pool,
12580 last_pool, pool_offset, const_double_chain): Delete global
12581 variables, replace with accessor macros.
12582 (immed_double_const): Don't walk const_double_chain outside a
12583 function, but don't treat nested functions specially anymore.
12584 (immed_real_const_1): Likewise.
12585 (clear_const_double_mem): Don't treat nested functions specially.
12586 (init_const_rtx_hash_table): Deleted, code moved to init_varasm_status.
12587 (save_varasm_status, restore_varasm_status): Delete functions.
12588 (init_varasm_status): New function.
12589 (force_const_mem): Don't treat nested functions specially.
12590 (find_pool_constant): Accept new arg F, search for constants in
12591 that function's pool rather than the current one. All callers
12593 (get_pool_constant_for_function, get_pool_mode_for_function): New
12596 * i386.c (init_386_machine_status): New function, mostly from
12597 clear_386_stack_locals.
12598 (struct machine_functions): Rename element names to avoid name
12600 (pic_label_rtx, pic_label_name, i386_stack_locals): New accessor
12601 macros, replacing global variables.
12602 (clear_386_stack_locals, save_386_machine_status,
12603 restore_386_machine_status): Delete functions.
12604 (override_options): Initialize init_machine_status.
12605 * i386.h (INIT_EXPANDERS): Delete macro.
12606 (save_386_machine_status, restore_386_machine_status,
12607 clear_386_stack_locals): Delete declarations.
12609 Sat Sep 4 16:56:28 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12611 * config/c4x/c4x.md (rptb_init): Renamed from *rptb_init.
12612 (doloop_begin): Simplify pattern and use emit_jump_insn.
12613 (doloop_end): Simplify pattern, switch operand order,
12614 and use emit_jump_insn.
12616 Fri Sep 3 19:02:38 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
12618 * function.h (struct function): Add new element LANGUAGE.
12619 (save_lang_status): Declare new variable.
12620 (restore_lang_status): Likewise.
12621 * function.c (save_lang_status): Define.
12622 (restore_lang_status): Likewise.
12623 (push_function_context_to): Call language-specific save function.
12624 (pop_function_context_from): Call language-specific restore function.
12626 Fri Sep 3 01:16:18 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
12628 * i386.md (movsf_1): Check REG_P before use of REGNO.
12629 (movdf_1): Likewise.
12630 (movxf_1): Likewise.
12631 (extendsfdf2): Likewise.
12632 (extendsfxf2): Likewise.
12633 (extenddfxf2): Likewise.
12635 Sat Sep 4 11:37:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12637 * config/c4x/c4x.c (c4x_emit_move_sequence): Do not force large
12638 constants into memory.
12639 (c4x_shiftable_constant): New function.
12640 * config/c4x/c4x.c (LEGITIMATE_CONSTANT_P): Allow any CONST_INT.
12641 (c4x_shiftable_constant): Declare.
12642 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant,
12643 ashlqi3_noclobber): Add new patterns and associated splitters.
12645 Fri Sep 3 16:22:17 1999 Richard Henderson <rth@cygnus.com>
12647 * dbxout.c (dbxout_init): Use xcalloc instead of xmalloc+bzero.
12648 * dwarf2out.c (dwarf2out_frame_init): Likewise.
12649 * final.c (shorten_branches): Likewise.
12650 * global.c (global_alloc): Likewise.
12651 * haifa-sched.c (build_control_flow): Likewise.
12652 * stmt.c (check_for_full_enumeration_handling): Likewise.
12653 (estimate_case_costs): Likewise.
12655 Fri Sep 3 15:49:56 1999 Mark Mitchell <mark@codesourcery.com>
12657 * rtl.h (RTL_CHECKC2): Fix typo in last change.
12659 Fri Sep 3 15:13:34 1999 Richard Henderson <rth@cygnus.com>
12661 * flow.c (propagate_block): Use XEXP not SET_DEST for a USE.
12662 (recompute_reg_usage): Likewise.
12663 * rtlanal.c (find_regno_fusage): Likewise.
12665 * rtl.c (rtl_check_failed_code1): New function.
12666 (rtl_check_failed_code2): New.
12667 * rtl.h (RTL_CHECK1, RTL_CHECK2, RTVEC_ELT): Parenthesize args.
12668 (RTL_CHECKC1, RTL_CHECKC2): New.
12669 (XC*): New accessor macros.
12670 (NOTE_*, LABEL_NAME, LABEL_NUSES, ADDRESSOF_REGNO): Use them.
12671 (ADDRESSOF_DECL, JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF): Likewise.
12672 (CONTAINING_INSN, REGNO, INTVAL, SUBREG_REG, SUBREG_WORD): Likewise.
12673 (ASM_OPERANDS_*, MEM_ALIAS_SET, SET_SRC, SET_DEST): Likewise.
12674 (TRAP_*, RANGE_INFO_*): Likewise.
12676 Fri Sep 3 15:10:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12678 * Makefile.in (tlink.o): Don't depend on toplev.h.
12680 * collect2.c (c_file, o_file, export_file, import_file, ldout,
12681 output_file, nm_file_name, ldd_file_name, strip_file_name,
12682 c_file_name, prefix_list, libexts, is_ctor_dtor, find_a_file,
12683 add_prefix, prefix_from_env, prefix_from_string, do_wait,
12684 fork_execute, maybe_unlink, add_to_list,
12685 extract_init_priority, write_list, dump_list,
12686 dump_prefix_list, write_list_with_asm, write_c_file,
12687 write_c_file_stat, write_c_file_glob, scan_prog_file,
12688 scan_libraries, is_in_list, resolve_lib_name, use_import_list,
12689 ignore_library, extract_string, notice, dump_file, target_machine,
12690 collect_wait, collect_execute, libname, locatelib, aix_std_libs,
12691 read_file, print_load_command): Constify a char*.
12692 (fdopen, error, fatal, fatal_perror): Don't prototype.
12693 (my_strerror): Remove. All callers use xstrerror instead.
12694 (xcalloc, xmalloc, xrealloc, xstrdup, putenv): Remove definitions.
12695 (main): Add prototype. Constify lots of char* ptrs. Change calls
12696 to xcalloc/strcpy/strcat/... to one call to concat.
12697 (main, scan_prog_file, scan_libraries): Use an intermediate
12698 `const char **' to build an argv array.
12699 (mapfile, libselect, libcompare, locatelib): Add prototypes.
12701 * collect2.h (collect_execute, collect_wait, dump_file,
12702 file_exists): Constify a char*.
12703 (ldout, c_file_name, temporary_obstack, permanent_obstack,
12704 temporary_firstobj, vflag, debug): Add extern declarations.
12705 (fancy_abort, error, notice, fatal, fatal_perror): Add prototypes.
12707 * tlink.c: Don't include toplev.h.
12708 (vflag, debug, ldout, c_file_name, temporary_obstack,
12709 permanent_obstack, temporary_firstobj): Don't declare.
12710 (tlink_execute, frob_extension, symbol_hash_lookup,
12711 file_hash_lookup, demangled_hash_lookup, tlink_init, freadsym,
12712 recompile_files, read_repo_files, demangle_new_symbols,
12713 scan_linker_output): Constify a char*.
12714 (symbol_hash_newfunc, file_hash_newfunc, demangled_hash_newfunc,
12715 do_tlink): Mark parameters with ATTRIBUTE_UNUSED.
12717 Fri Sep 3 18:09:24 1999 Andrew Haley <aph@cygnus.com>
12719 * config/m68k/m68kelf.h: Set USE_GAS; this makes gcc generate jbsr
12720 (relative) rather than jsr (absolute) subroutine call insns.
12721 * config/m68k/m68k-coff.h: Ditto.
12723 Fri Sep 3 17:24:31 1999 Richard Earnshaw <rearnsha@arm.com>
12725 * arm.c (note_invalid_constants): No need to ignore ASMs, we can
12726 now rework these too.
12727 (arm_reorg): If an insn can't reach the end of the current pool,
12728 ensure that we emit that pool before the insn.
12730 Fri Sep 3 09:14:32 1999 Marc Espie <espie@tetto.liafa.jussieu.fr>
12732 * tlink.c (scan_linker_output): Skip the initial underscore in
12733 a mangled name if appropriate.
12735 Fri Sep 3 01:28:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12737 * objc/objc-act.c (objc_tree_code_type, objc_tree_code_length,
12738 objc_tree_code_name, synth_id_with_class_suffix, warn_with_method,
12739 error_with_ivar, gen_declarator, create_builtin_decl,
12740 my_build_string, generate_descriptor_table, generate_ivars_list,
12741 generate_dispatch_table, check_protocols, TAG_GETCLASS,
12742 TAG_GETMETACLASS, TAG_MSGSEND, TAG_MSGSENDSUPER, TAG_EXECCLASS,
12743 dump_base_name, lang_decode_option, build_encode_expr,
12744 start_class, finish_class, encode_pointer, really_start_method,
12745 gen_declaration, dump_interface, handle_class_ref, handle_impent):
12747 (objc_demangle, objc_printable_name, generate_struct_by_value_array):
12748 Add static prototypes.
12749 (build_objc_string_decl, build_selector_reference_decl,
12750 encode_bitfield, build_class_reference_decl): Remove unused
12751 parameter, all callers changed.
12752 (maybe_objc_method_name): Mark with ATTRIBUTE_UNUSED.
12753 (objc_printable_name): Likewise. Change second parameter to type int.
12754 (init_objc): Use memcpy, not bcopy, to avoid casts.
12756 Thu Sep 2 21:49:52 1999 Richard Henderson <rth@cygnus.com>
12758 * reload1.c (eliminate_regs_in_insn): Avoid eliminating the
12759 reg notes on a deleted insn.
12760 * gcse.c (hash_expr_1): Use XWINT on a CONST_DOUBLE.
12762 Thu Sep 2 20:18:12 1999 Jeffrey A Law (law@cygnus.com)
12764 * i386.c (ix86_attr_length_default): Handle TYPE_FXCH.
12766 Thu Sep 2 22:00:08 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12768 * stmt.c (expand_asm_operands): Fix index into inout_mode when
12771 Thu Sep 2 13:00:48 1999 Richard Henderson <rth@cygnus.com>
12773 * stmt.c (expand_asm_operands): Invoke MD_ASM_CLOBBERS if present.
12774 * tm.texi (MD_ASM_CLOBBERS): Document it.
12776 Thu Sep 2 10:22:40 1999 Richard Henderson <rth@cygnus.com>
12778 * dwarf2out.c (dwarf2out_line): Constify `lastfile'.
12779 * except.c (expand_rethrow): Remove unused variable.
12780 * expr.c (do_jump_by_parts_greater_rtx): Likewise.
12781 * flow.c (replace_insns): Likewise.
12782 (create_edge_list, verify_edge_list): Likewise.
12783 * gcse.c (cprop_cc0_jump): Protect declaration with HAVE_cc0.
12785 * genemit.c (gen_expand): Only emit `operands[N]' decl if there
12786 is special code to run.
12787 (main): Don't define operands to emit_operand.
12788 * genrecog.c (main): Don't emit an empty peephole2_insn function.
12790 * rtl.h (NOTE_BASIC_BLOCK): Use X0BBDEF.
12792 * alpha/alpha.h (normal_memory_operand): Declare.
12793 (reg_no_subreg_operand): Declare.
12794 * alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use HOST_WIDE_INT_PRINT_DEC.
12796 Thu Sep 2 10:19:20 1999 Richard Henderson <rth@cygnus.com>
12798 * c-parse.in (compstmt_primary_start): New, broken out of first
12799 part of compstmt handling in primary.
12800 (primary): Use it. Add an error clause.
12801 (compstmt_nostart): Renamed from compstmt; remove all
12802 initial invocations of compstmt_start.
12805 Thu Sep 2 01:35:50 1999 Marc Espie <espie@cvs.openbsd.org>
12807 * protoize.c (gen_aux_info_file): Let pexecute call choose_temp_base if
12810 Thu Sep 2 00:43:59 1999 Finn Hakansson <finn@axis.com>
12812 * combine.c (simplify_shift_const): Remove extra semicolon.
12813 * dwarf2out.c (remove_AT): Likewise.
12814 * expmed.c (expand_mult): Likewise.
12815 * gcov.c (create_program_flow_graph): Likewise.
12816 * reorg.c (mostly_true_jump): Likewise.
12818 Thu Sep 2 00:06:43 1999 Jeffrey A Law (law@cygnus.com)
12820 * fold-const.c (fold_range_test): Do not try to fold the range
12821 test if the rhs or lhs has side effects.
12823 * combine.c (simplify_rtx): Recognize another case of a synthesized
12826 * varasm.c (mark_constant_pool): When marking indirect references,
12827 only look at SYMBOL_REFs.
12829 * except.c (expand_fixup_region_end): Do not peek at
12830 INSN_UID (node->entry->outer_context) for flag_new_exceptions.
12832 Thu Sep 2 13:52:53 1999 Geoffrey Keating <geoffk@cygnus.com>
12834 * flags.h: New variables align_loops, align_loops_log,
12835 align_jumps, align_jumps_log, align_labels, align_labels_log,
12836 align_functions, align_functions_log.
12837 * toplev.c: Define them.
12838 (f_options): Handle -falign-* when they have no argument.
12839 (main): Add logic to set variables for -falign-functions,
12840 -falign-jumps, -falign-labels, -falign-loops.
12841 Make it -fsched-verbose=<n> and -finline-limit=<n>.
12842 (display_help): Change help to match options.
12843 * final.c (LABEL_ALIGN): Default to align_labels_log.
12844 (LABEL_ALIGN_MAX_SKIP): Default to align_labels-1.
12845 (LOOP_ALIGN): Default to align_loops_log.
12846 (LOOP_ALIGN_MAX_SKIP): Default to align_loops-1.
12847 (LABEL_ALIGN_AFTER_BARRIER): Default to align_jumps_log.
12848 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to align_jumps-1.
12849 * varasm.c (assemble_start_function): Handle align_functions.
12851 * config/sparc/sparc.h: Don't declare sparc_align_*.
12852 Don't provide LABEL_ALIGN_AFTER_BARRIER or LOOP_ALIGN.
12853 (DEFAULT_SPARC_ALIGN_FUNCS): Delete; take functionality into
12855 (FUNCTION_BOUNDARY): Fix incorrect use---it's not just a request,
12857 * config/sparc/sparc.c: Delete sparc_align_loops,
12858 sparc_align_jumps, sparc_align_funcs and the corresponding string
12860 (sparc_override_options): Default align_functions on ultrasparc.
12861 Delete -malign-* handling.
12863 * config/mips/mips.c (override_options): On 64-bit targets,
12864 try to align code to 64-bit boundaries.
12865 (print_operand): New substitution, %~,
12866 which aligns labels to align_labels_log.
12867 * config/mips/mips.md (div_trap_normal): Use %~.
12868 (div_trap_mips16): Likewise.
12870 (absdi2): Likewise.
12871 (ffssi2): Likewise.
12872 (ffsdi2): Likewise.
12873 (ashldi3_internal): Likewise.
12874 (ashrdi3_internal): Likewise.
12875 (lshrdi3_internal): Likewise.
12876 (casesi_internal): Likewise.
12878 Wed Sep 1 21:13:48 1999 Richard Henderson <rth@cygnus.com>
12880 Merge new ia32 backend from the branch!
12882 * i386.h, i386.c, i386.md, reg-stack.c, i386/unix.h: Many changes.
12883 See ChangeLog.P2 on new_ia32_branch for details.
12885 * rtl.h (stack_regs_mentioned_p): Delete prototype.
12886 * i386/cygwin.h (SUBTARGET_PROLOGUE): No more do_rtl.
12887 * i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
12888 * i386/gas.h (ASM_FILE_START): Define.
12889 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Update
12890 for name change of ix86_valid_decl_attribute_p.
12891 (i386_pe_valid_type_attribute_p): Similarly.
12893 Wed Sep 1 18:21:23 1999 Richard Henderson <rth@cygnus.com>
12895 * emit-rtl.c (init_emit_once): Don't use GET_MODE_WIDER_MODE
12896 to step through CC modes.
12898 Wed Sep 1 20:18:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12900 * regmove.c (fixup_match_1): Don't move INSN in front of P if
12901 it would end up in the shadow of a live flags regsiter.
12903 Wed Sep 1 11:32:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12905 * reload1.c: Fix many indentation problems.
12906 * reload.c: Likewise.
12908 Tue Aug 31 22:08:03 1999 Marc Espie <espie@cvs.openbsd.org>
12910 * alias.c (non_local_reference_p): Constify fmt.
12912 Tue Aug 31 23:19:35 1999 Michael Meissner <meissner@cygnus.com>
12914 * config/i386/xm-cygwin.h (HAVE_DOS_BASED_FILE_SYSTEM): Define.
12916 Tue Aug 31 16:44:52 1999 Jeffrey A Law (law@cygnus.com)
12918 * cse.c (delete_trivially_dead_insns): Do not delete stores to
12919 the internal_arg_pointer.
12921 Tue Aug 31 13:35:42 1999 Richard Henderson <rth@cygnus.com>
12923 Merge peephole2 from new_ia32_branch:
12924 * Makefile.in (STAGESTUFF): Add *.peephole2.
12925 (mostlyclean): Likewise.
12926 (recog.o): Depend on resource.h.
12928 * final.c (peephole): Conditionalize decl on HAVE_peephole.
12929 (final_scan_insn): Likewise for the invocation of peephole.
12930 * genconfig.c (main): Look for peephole and peephole2 patterns.
12931 Emit HAVE_peephole* accordingly.
12932 * genpeep.c (main): Conditionalize entire output on HAVE_peephole.
12933 * flags.h (flag_peephole2): Declare.
12934 * toplev.c: New pass peephole2. New flag -fpeephole2.
12936 * genattrtab.c (main): Count DEFINE_PEEPHOLE2.
12937 * gencodes.c (main): Likewise.
12938 * genextract.c (main): Likewise.
12939 * genoutput.c (main): Likewise.
12940 * genemit.c (max_operand_1): Look for the max scratch operand.
12941 (gen_rtx_scratch): New.
12942 (gen_exp): Use it, and pass on new arg subroutine_type.
12943 (gen_expand): Take max scratch into account.
12944 (gen_split): Emit peephole2 functions.
12945 (output_peephole2_scratch): New.
12946 (main): Include hard-reg-set.h and resource.h. Handle peephole2.
12947 * genrecog.c (routine_type): Add PEEPHOLE2.
12949 (make_insn_sequence): Match outer parallel for peep2. Discard
12950 top level scratches and dups.
12951 (add_to_sequence): New args insn_type and top. Update all callers.
12952 Handle toplevel peep2 matching insns.
12953 (write_subroutine): Handle peep2.
12954 (write_tree_1): Likewise.
12955 (write_tree): Likewise.
12957 (change_state): New arg afterward. Update all callers.
12958 Handle matching separate insns.
12959 * recog.c (recog_next_insn): New.
12960 (peephole2_optimize): New.
12961 * rtl.def (DEFINE_PEEPHOLE2): New.
12962 * resource.c (find_free_register): New argument last_insn. Use it
12963 to find a register available through the entire span.
12964 * resource.h (find_free_register): Update prototype.
12966 Tue Aug 31 11:51:06 1999 Jim Kingdon <http://developer.redhat.com>
12968 * i386.c (output_strlen_unroll): Don't write xops[7]
12969 label if it wasn't set.
12971 1999-08-31 12:44 -0700 Zack Weinberg <zack@bitmover.com>
12973 * cpplib.c (struct directive): Const-ify name pointer and
12974 function pointer prototype.
12975 (validate_else, do_define, do_line, do_include, do_undef,
12976 do_error, do_pragma, do_ident, do_if, do_xifdef, do_else,
12977 do_elif, do_endif, do_sccs, do_assert, do_unassert,
12978 do_warning): Const-ify second arg.
12979 (directive_table): Mark const. Reorder entries by frequency
12980 of usage, record statistics.
12982 1999-08-31 12:20 -0700 Zack Weinberg <zack@bitmover.com>
12984 * rtl.h (RTL_CHECK1, RTL_CHECK2): New macros which type- and
12985 bounds- check RTL accesses if --enable-checking.
12986 (RTVEC_ELT): Bounds check if --enable-checking.
12987 (XWINT, XINT, XSTR, XEXP, XVEC, XMODE, XBITMAP, XTREE,
12988 XBBDEF): Use RTL_CHECK1/RTL_CHECK2 as appropriate.
12989 (XVECEXP, XVECLEN): Define in terms of XVEC, RTVEC_ELT, and
12991 (X0WINT, X0INT, X0STR, X0EXP, X0VEC, X0MODE, X0BITMAP, X0TREE,
12992 X0BBDEF, X0ADVFLAGS): New macros for accessing '0' slots of RTXes.
12994 (ADDR_DIFF_VEC_FLAGS): Use X0ADVFLAGS.
12995 (NOTE_SOURCE_FILE): Use X0STR.
12996 (NOTE_BLOCK_NUMBER, NOTE_EH_HANDLER, LABEL_NUSES,
12997 MEM_ALIAS_SET): Use X0INT.
12998 (NOTE_RANGE_INFO, NOTE_LIVE_INFO, NOTE_BASIC_BLOCK,
12999 JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF, CONTAINING_INSN):
13001 * real.h (CONST_DOUBLE_CHAIN): Use X0EXP.
13002 * rtl.c (copy_rtx, copy_most_rtx): Copy '0' slots with X0WINT.
13003 (rtl_check_failed_bounds, rtl_check_failed_type1,
13004 rtl_check_failed_type2, rtvec_check_failed_bounds): New
13006 (fancy_abort): Fix comment.
13008 * cse.c (canon_hash): Read CONST_DOUBLE data slots with XWINT.
13009 (cse_insn): Decrement LABEL_NUSES for jump target before
13010 deleting jump insn.
13011 * emit-rtl.c (gen_rtx_CONST_DOUBLE): Use X0EXP for slot 1.
13012 * final.c (alter_subreg): Compute regno before changing x to
13013 REG; set REGNO(x) after changing it.
13014 * flow.c (count_basic_blocks): Use XWINT to inspect EH_REGION
13015 notes containing CONST_INTs.
13016 (delete_eh_regions): Use NOTE_EH_HANDLER.
13017 * function.c (put_reg_into_stack): Make reg a MEM before
13019 (fixup_var_refs_insns): Save REG_NOTES (insn) in case we
13021 (gen_mem_addressof): Make reg a MEM before initializing it.
13022 * integrate.c (copy_rtx_and_substitute): Copy '0' slots with
13024 * local-alloc.c (update_equiv_regs): Zap REG_NOTES before
13025 deleting an insn, not after.
13026 (block_alloc): Only look at PATTERN(insn) if we have to, and
13027 only if it's format class 'i'.
13028 * loop.c (check_dbra_loop): Check bl->biv->add_val is a
13029 CONST_INT before using its INTVAL.
13030 * print-rtl.c (print_rtx): Use X0STR.
13031 * regmove.c (fixup_match_1): Don't look at PATTERN of
13032 non-class-'i' insn chain elements.
13033 * reload.c (loc_mentioned_in_p): Take address of
13034 in->fld[1].rtx directly.
13035 * reload1.c (reload): Change reg to a MEM before initializing
13037 * varasm.c (mark_constant_pool): Skip CONST_DOUBLES, which
13039 * config/i386/i386.md (decrement_and_branch_if_zero): Fix typo.
13041 Fri Aug 20 13:43:41 1999 Andrew Haley <aph@cygnus.com>
13043 * config/mips/mips.c (machine_dependent_reorg): Force a
13044 barrier to output the local constant pool if a barrier hasn't
13045 been found at a natural point in the instruction stream.
13047 Mon Aug 30 22:04:36 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13049 * c-parse.in (language_string): Constify.
13051 * dwarf2out.c (language_string): Remove declaration.
13053 * dwarfout.c (language_string): Likewise.
13055 * toplev.c (language_string, init_parse, finish_parse): Likewise.
13057 * tree.h (language_string, init_parse, finish_parse): Declare.
13059 * i386/sun386.h (language_string): Remove declaration.
13061 * mips.h (language_string): Likewise.
13063 * nextstep.h (language_string): Likewise.
13065 * nextstep21.h (language_string): Likewise.
13067 * rs6000.c (language_string): Likewise.
13069 Mon Aug 30 20:56:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13071 * Makefile.in (OBJS, PROTO_OBJS): Remove getpwd.o.
13072 (getpwd.o): Remove target.
13074 * getpwd.c: Delete file. Its in libiberty now.
13076 * dbxout.c (getpwd): Don't prototype.
13077 * dwarf2out.c (getpwd): Likewise
13078 * dwarfout.c (getpwd): Likewise
13079 * final.c (getpwd): Likewise.
13080 * protoize.c (getpwd): Likewise.
13082 Mon Aug 30 20:21:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13084 * cse.c: (fold_rtx): Cast to HOST_WIDE_INT in left shift.
13086 Mon Aug 30 16:07:49 1999 Richard Henderson <rth@cygnus.com>
13088 * flow.c (new_insn_dead_notes): Use sets_reg_or_subreg not
13089 mark_set_resources.
13091 Mon Aug 30 12:23:53 1999 Jim Wilson <wilson@cygnus.com>
13093 * fixinc/Makefile.in (subdir): New.
13094 (fixincl.x, inclhack.sh, fixincl.sh): Use cp instead of $(CP).
13097 Mon Aug 30 01:02:09 1999 Jeffrey A Law (law@cygnus.com)
13099 * emit-rtl.c (copy_rtx_if_shared): A MEM which references
13100 virtual_stack_vars_rtx or virtual_incoming_args_rtx can not
13103 * invoke.texi: Fix typo.
13105 * dwarf2out.c (mem_loc_descriptor): New argument MODE. All callers
13106 changed. Handle autoincrement addressing modes.
13108 * integrate.c (copy_rtx_and_substitute): Handle internal_arg_pointer
13109 just like we would the virtual incoming args register when
13112 Sun Aug 29 23:17:54 1999 David Edelsohn <edelsohn@gnu.org>
13114 * rs6000.h (ASM_FILE_START): Specify complete filename, including
13115 path, in .file directive.
13117 Sun Aug 29 05:06:43 1999 Russ Allbery <rra@stanford.edu>
13119 * gcc.texi (External Bugs): Remove obsolete note about Perl on
13122 1999-08-29 08:38 -0700 Zack Weinberg <zack@bitmover.com>
13124 * stdbool.h: Make the typedef name _Bool, with bool a #defined
13127 Sun Aug 29 09:36:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13129 * tree.c (tree_code_name): Constify a char*.
13131 * tree.h (tree_code_name, decl_printable_name): Likewise.
13133 * function.h (struct function): Likewise.
13135 * toplev.c (decl_name, decl_printable_name): Likewise.
13137 * vax/vms.h (MAYBE_VMS_FUNCTION_PROLOGUE): Likewise.
13139 * objc/objc-act.c (decl_printable_name): Remove redundant prototype.
13140 (init_objc): Remove function pointer cast.
13142 Sun Aug 29 05:01:17 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
13144 * pa.md (interspace_jump): New pattern.
13145 (builtin_longjmp): New expander.
13147 1999-08-29 Bernd Schmidt <bernds@cygnus.co.uk>
13149 * fp-bit.c (add, sub, multiply, divide, compare, _eq_f2, _ne_f2,
13150 _gt_f2, _ge_f2, _lt_f2, _le_f2, float_to_si, float_to_usi, negate,
13151 sf_to_df, df_to_sf): Fix potential problem with alias analysis.
13153 Sun Aug 29 04:30:52 1999 John Wehle (john@feith.com)
13155 * jump.c (delete_prior_computation): Also check calls
13156 to constant functions. Don't bother checking for a
13157 REG_UNUSED note before adding it.
13158 (delete_computation): Handle multi-word hard registers
13159 when synthesizing missing REG_DEAD notes for a register
13160 which is both set and used by an insn.
13162 1999-08-29 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13164 * loop.c (this_loop_info): New variable.
13165 (loop_has_call, loop_has_volatile, loop_has_tablejump,
13166 loop_continue, loops_enclosed): Replace with fields in this_loop_info.
13168 (prescan_loop, strength_reduce): New argument loop_info. All callers
13170 (scan_loop): New variable loop_info, initialise to address of
13172 (prescan_loop): Set loop_info->vtop if find NOTE_INSN_LOOP_VTOP.
13173 Delete variable loop_has_multiple_exit targets and replace with
13174 field in this_loop_info.
13175 (find_and_verify_loops): Rename this_loop to this_loop_num.
13176 (strength_reduce): Delete loop_iteration_info. Replace variable
13177 loop_info with function argument of same name.
13178 (insert_bct): Rework test for loop being completely unrolled.
13180 * loop.h (struct loop_info): New fields num, loops_enclosed,
13181 has_call, has_volatile, has_tablejump, has_multiple_exit_targets,
13182 has_indirect_jump, and cont. Redefine use of unroll_number.
13183 (loop_unroll_number): Delete.
13185 * unroll.c (unroll_loop): Store loop unroll count in unroll_number
13186 field of loop_info.
13187 (loop_iterations): Delete variable vtop and instead use
13188 loop_info->vtop computed in prescan_loop.
13190 Sun Aug 29 03:27:23 1999 Scott Weikart <scott@igc.apc.org>
13192 * fix-header.c (main): Do not pass a null pointer to strcmp.
13194 Sun Aug 29 03:18:48 1999 William Bader (william@nscs.fast.net)
13196 * configure.in (i[34567]86-*-sco3.2v4*): Target does not truncate
13198 * configure: Rebuilt.
13200 Sat Aug 28 19:36:05 1999 Jeffrey A Law (law@cygnus.com)
13202 * jump.c (jump_optimize_1): Do not delete assignments to
13203 internal_arg_pointer.
13204 * cse.c (delete_trivially_dead_insns): Always consider a set of
13205 the internal_arg_pointer live.
13207 Sat Aug 28 16:24:31 1999 Richard Henderson <rth@cygnus.com>
13209 * flow.c (flow_delete_insn_chain): Rename from delete_insn_chain.
13210 (update_life_info) [REG_WAS_0]: Search the original insns rather
13211 than the new insns for the note. Fix typos finding note_dest.
13212 If no dest found, discard the note rather than abort.
13213 [REG_NOALIAS]: Handle as REG_NO_CONFLICT.
13214 (replace_insns): Remove the old insn list after update_life_info
13217 Sat Aug 28 16:20:12 1999 Richard Henderson <rth@cygnus.com>
13219 * haifa-sched.c (sched_analyze): Clear LOG_LINKS before calling
13220 sched_analyze_insn.
13221 (sched_analyze_1): Let add_dependence care for not adding dups.
13222 (sched_analyze_2): Likewise.
13223 (add_branch_dependences): Likewise.
13225 Sat Aug 28 15:58:16 1999 Mumit Khan <khan@xraylith.wisc.edu>
13227 * i386/winnt.c (export_list): New type.
13228 (exports_head): Rename to
13229 (export_head): this.
13230 (i386_pe_record_exported_symbol): Add is_data flag.
13231 (i386_pe_asm_file_end): Emit directive for exported variables.
13232 * i386/cygwin.h (i386_pe_record_exported_symbol): Update
13234 * i386/cygwin.h (ASM_OUTPUT_COMMON): Specify symbol type.
13235 (ASM_DECLARE_OBJECT_NAME): Likewise.
13236 (ASM_DECLARE_FUNCTION_NAME): Likewise.
13237 * i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
13239 Fri Aug 27 15:35:24 1999 Jeffrey A Law (law@cygnus.com)
13241 * cse.c (fold_rtx): Work around bug in Sun V5.0 compilers.
13243 * pa.c (emit_move_sequence): Do not stop on SUBREG_WORD of an
13246 Fri Aug 27 14:01:19 1999 Marc Espie <espie@cvs.openbsd.org>
13248 * config/openbsd.h: Define SET_ASM_OP.
13249 * tm.texi: cross-reference SET_ASM_OP in the index.
13251 1999-08-27 13:27 -0700 Zack Weinberg <zack@bitmover.com>
13253 * rtl.c: Define CONST_DOUBLE_FORMAT to the appropriate format
13254 for a CONST_DOUBLE, at compile time. Initialize rtx_length
13255 and class_narrowest_mode at compile time. Kill init_rtl.
13256 Mark rtx_length, mode_class, mode_size, mode_unit_size,
13257 mode_wider_mode, mode_mask_array, class_narrowest_mode, and
13258 rtx_format as const. Kill all references to EXTRA_CC_MODES or
13260 * rtl.def (CONST_DOUBLE): Use CONST_DOUBLE_FORMAT macro for
13262 * rtl.h: Declare rtx_length and rtx_format as const.
13263 * machmode.def: Define CC(). Use CC() to define CCmode. If
13264 EXTRA_CC_MODES is defined, expand it here.
13265 * machmode.h: Declare mode_class, mode_size, mode_unit_size,
13266 mode_wider_mode, mode_mask_array, and class_narrowest_mode as
13267 const. Kill all references to EXTRA_CC_MODES.
13269 * toplev.c: Don't prototype or call init_rtl.
13270 * optabs.c: Don't call init_mov_optab.
13271 * genemit.c: Don't generate init_mov_optab. Don't call
13273 * gengenrtl.c: Duplicate calculation of CONST_DOUBLE_FORMAT
13275 * genattr.c, genattrtab.c, gencodes.c, genconfig.c,
13276 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
13277 genrecog.c: Don't call init_rtl.
13279 * arc.h, arm.h, c4x.h, i386.h, i960.h, m88k.h, pa.h, pdp11.h,
13280 rs6000.h, sparc.h: Don't define EXTRA_CC_NAMES. Use CC() in
13281 definition of EXTRA_CC_MODES.
13283 * md.texi: Kill ref to EXTRA_CC_NAMES.
13284 * tm.texi: Document new way to define EXTRA_CC_MODES.
13286 * genrecog.c: Do not look up the name of a define_split.
13287 (Unrelated bugfix.)
13289 Fri Aug 27 17:03:42 1999 Nick Clifton <nickc@cygnus.com>
13291 * config/v850/v850.md: Fix typo introduced by previous delta.
13293 Fri Aug 27 09:48:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13295 * gcc.c (fatal): Make definition static to match prototype.
13297 Fri Aug 27 10:33:35 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13299 * combine.c (get_last_value): Don't look for earlier sets if the last
13300 known set is somewhere in between the insns being combined.
13302 Fri Aug 27 10:03:12 BST 1999 Nathan Sidwell <nathan@acm.org>
13304 * configure.in: Don't use shell ! to negate exit codes
13305 * configure: Regenerate
13307 Fri Aug 27 09:36:17 1999 Andreas Schwab <schwab@suse.de>
13309 * function.c (assign_stack_temp_for_type): Fix change of Mar 5 for
13310 the fact that ALIGN is measured in bits, not bytes.
13312 1999-08-27 00:27 -0700 Zack Weinberg <zack@bitmover.com>
13314 * errors.c: New file; defines functions error, warning, and
13315 fatal, variables have_error and progname.
13316 * errors.h: New file; prototypes and decls for stuff in errors.c.
13318 * Makefile: Add rules to build errors.o and
13319 $(HOST_PREFIX)errors.o. Link genconfig, gencodes, genemit,
13320 genopinit, genrecog, genextract, genpeep, genattr, and
13321 genoutput with errors.o. Add errors.h to deps of genconfig.o,
13322 gencodes.o, genemit.o, genopinit.o, genrecog.o, genextract.o,
13323 genpeep.o, genattr.o, and genoutput.o.
13325 * genconfig.c, gencodes.c, genemit.c, genopinit.c, genrecog.c,
13326 genextract.c, genpeep.c, genattr.c: Include errors.h. Don't
13327 define or prototype fatal. Set progname at beginning of main.
13328 * genoutput.c: Likewise, and don't define or prototype error
13331 * c-typeck.c (c_expand_start_case): Return immediately if exp
13333 * fold-const.c (operand_equal_p): Return immediately if arg1
13334 or arg0 are ERROR_MARKs.
13335 * stor-layout.c (layout_type [case RECORD_TYPE]): Ignore
13336 fields of type ERROR_MARK when calculating if the record can
13339 Fri Aug 27 01:03:48 1999 Jim Kingdon <http://developer.redhat.com>
13340 with much help from Jeffrey A Law and Richard Henderson
13342 * i386.md: In the 6 insns which call output_fix_trunc,
13343 earlyclobber operands[0].
13345 Fri Aug 27 01:01:51 1999 Philip Blundell <pb@nexus.co.uk>
13347 * jump.c (duplicate_loop_exit_test): Call reg_scan_update after
13348 creating new registers.
13350 1999-08-26 23:09 -0700 Zack Weinberg <zack@bitmover.com>
13352 * i386.h: Declare ix86_cpu_string, ix86_arch_string,
13353 i386_reg_alloc_order, i386_regparm_string,
13354 i386_align_loops_string, i386_align_jumps_string,
13355 i386_align_funcs_string, i386_preferred_stack_boundary_string,
13356 and i386_branch_cost_string as type "const char *".
13357 * i386.c: Define all above strings as type "const char *".
13359 Thu Aug 26 20:36:30 1999 Jim Wilson <wilson@cygnus.com>
13361 * dwarf2out.c (output_aranges): Check DWARF_OFFSET_SIZE not PTR_SIZE
13362 when emitting alignment padding. Emit padding byte of 0 instead of 4.
13364 Thu Aug 26 18:11:20 1999 Mark Mitchell <mark@codesourcery.com>
13366 * tree.c (array_type_nelts): Don't create RTL_EXPRs from
13367 SAVE_EXPRs unless the SAVE_EXPRs have already been expanded.
13369 Thu Aug 26 19:33:23 1999 Jim Wilson <wilson@cygnus.com>
13371 * dwarf2out.c (DWARF2_ASM_LINE_DEBUG_INFO): Add default definition.
13372 (debug_dwarf): Add DWARF2_ASM_LINE_DEBUG_INFO support.
13373 (dwarf2out_line, dwarf2out_finish): Likewise.
13374 * tm.texi (DWARF2_ASM_LINE_DEBUG_INFO): Add documetation.
13376 Thu Aug 26 16:10:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
13378 * tree.c (lang_unsave_expr_now) : Correct return type.
13379 * tree.h (lang_unsave_expr_now) : Same.
13381 Thu Aug 26 13:12:29 1999 Jeffrey A Law (law@cygnus.com)
13383 * pa.c (cint_ok_for_move): Use CONST_INT_OK_FOR_LETTER_P macros
13384 instead of duplicating code.
13386 Thu Aug 26 18:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13388 * gcse.c (hash_scan_insn): Don't scan obvious no-ops.
13390 1999-08-26 09:42 -0700 Zack Weinberg <zack@bitmover.com>
13392 * tree.h: fancy_abort always takes three args.
13393 * resource.c: Move include of system.h before toplev.h.
13395 Thu Aug 26 09:46:16 1999 Nick Clifton <nickc@cygnus.com>
13397 * dwarf2out.c (mem_loc_descriptor): Accept LABEL_REFs as well
13400 1999-08-25 22:10 -0700 Zack Weinberg <zack@bitmover.com>
13402 * system.h: Don't redefine abort or trim_filename.
13403 * rtl.h: Define abort to fancy_abort (__FILE__, __LINE__, 0)
13404 or fancy_abort (__FILE__, __LINE__, __FUNCTION__) depending on
13405 whether or not __FUNCTION__ is available.
13406 * tree.h: Duplicate rtl.h's definition of abort, for files
13407 that don't include rtl.h. Delete all code to perform type
13408 checking with a compiler other than GCC.
13409 * varray.h: Delete all code to perform type checking with a
13410 compiler other than GCC. Make VARRAY_CHECK() always evaluate
13411 its arguments exactly once, using a statement expression.
13412 Adjust the VARRAY_<type> accessor macros to match.
13413 * toplev.h (fatal_insn, fatal_insn_not_found): Kill.
13414 (_fatal_insn, _fatal_insn_not_found): New fns, take info on
13415 caller's location. Define fatal_insn and fatal_insn_not_found
13416 as macros that use _fatal_insn and _fatal_insn_not_found.
13417 (fancy_abort, trim_filename): Kill prototypes.
13419 * rtl.c (trim_filename): Move here from toplev.c.
13420 (fancy_abort): New function.
13421 (DIR_SEPARATOR): Provide default definition.
13422 * tree.c (tree_check_failed, tree_class_check_failed): Go
13423 through fancy_abort.
13424 (tree_check, tree_class_check, cst_or_constructor_check,
13425 expr_check): Delete.
13426 * varray.c (varray_check_failed): New function.
13427 * toplev.c (fatal_insn, fatal_insn_not_found): Replace with
13428 _fatal_insn and _fatal_insn_not_found. Go through
13430 (trim_filename, fancy_abort): Delete.
13432 * builtins.c (expand_builtin_args_info): Report ICE with abort.
13433 * except.c (start_catch_handler): Report ICE with error/abort
13435 * final.c (output_operand_lossage): Likewise.
13436 * flow.c (verify_flow_info): Likewise.
13438 * gcc.c: Prototype fatal.
13439 * gengenrtl.c: Undef abort after including rtl.h not system.h.
13440 * genattr.c, genattrtab.c, genemit.c, genextract.c,
13441 genflags.c, genopinit.c, genoutput.c, genpeep.c, genrecog.c:
13442 Don't define fancy_abort.
13444 Wed Aug 25 17:56:59 1999 Richard Henderson <rth@cygnus.com>
13446 * optabs.c (emit_cmp_and_jump_insns): Be more thorough in
13449 Wed Aug 25 15:35:55 1999 Richard Henderson <rth@cygnus.com>
13451 * m88k.h (VERSION_INFO2): Kill.
13452 (VERSION_STRING): Kill.
13454 (VERSION_INFO1): Tidy.
13455 (TARGET_VERSION): Update.
13456 * m88k/dgux.h (VERSION_INFO2): Kill.
13457 (ASM_FIRST_LINE): Adjust for death of VERSION_STRING.
13458 * m88k/luna.h (VERSION_INFO1): Tidy.
13459 * m88k/sysv4.h (VERSION_INFO1): Likewise.
13460 * m88k.c (out_rcs_id, tm_rcs_id): Kill.
13461 (output_file_start): Adjust for death of VERSION_STRING.
13463 1999-08-25 13:51 -0700 Jim Meyering <meyering@ascend.com>
13465 * cpplib.c (detect_if_not_defined): New function.
13466 (do_if): Use it to detect potential once-only headers.
13468 Wed Aug 25 14:00:18 1999 Jason Merrill <jason@yorick.cygnus.com>
13470 * c-common.c (combine_strings): Always set TREE_CONSTANT.
13472 Wed Aug 25 15:27:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
13474 * combine.c (nonzero_bits) : Allow single-ly set registers to be
13475 anywere in the function only if they are pseudos and set before
13476 being used (not live at the start of the function).
13477 (num_sign_bit_copies) : Same.
13478 (get_last_value_validate) : Same.
13479 (get_last_value) : Same.
13481 Wed Aug 25 11:13:29 1999 Richard Henderson <rth@cygnus.com>
13483 * loop.c (express_from): Try harder to unify (* c N) and (* c M)
13484 where N and M are constant and N is an integer multiple of M.
13486 Wed Aug 25 13:55:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
13488 * sbitmap.h (sbitmap_intersection_of_succs): Add prototype.
13489 (sbitmap_intersection_of_preds, sbitmap_union_of_succs,
13490 sbitmap_union_of_preds): Add prototypes.
13491 * sbitmap.c (sbitmap_intersection_of_succs): New function to compute
13492 the intersection of successors with the new flow graph structures.
13493 (sbitmap_intersection_of_preds): New function to compute the
13494 intersection of predecessors with the new flow graph structures.
13495 (sbitmap_union_of_succs): New function to compute the union of
13496 successors with the new flow graph structures.
13497 (sbitmap_union_of_preds): New function to compute the union of
13498 predecessors with the new flow graph structures.
13499 * gcse.c (compute_rdm, compute_available): Use new sbitmap routines.
13500 (expr_reaches_here_p): Use edge and basic_block structures instead
13501 of s_preds and s_succs.
13502 (compute_cprop_avinout): Use new sbitmap routines.
13503 (pre_expr_reaches_here_p): Use edge and basic_block structures instead
13504 of s_preds and s_succs.
13505 * flow.c (compute_flow_dominators): Compute dominators using
13506 edges and basic blocks instead of s_preds and s_succs.
13508 Wed Aug 25 13:41:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
13510 * lists.c (unused_insn_list, unused_expr_list): New file for
13511 maintaining various types of lists. New statics for maintaining a
13512 cache of available INSN_LIST and EXPR_LIST nodes.
13513 (free_list): Static function for freeing a list of INSN/EXPR nodes.
13514 (alloc_INSN_LIST): Function to get a free INSN_LIST node.
13515 (alloc_EXPR_LIST): Function to get a free EXPR_LIST node.
13516 (init_EXPR_INSN_LIST_cache): Initialize the cache lists.
13517 (free_EXPR_LIST_list): Free an entire list of EXPR_LIST nodes.
13518 (free_INSN_LIST_list): Free an entire list of INSN_LIST nodes.
13519 (free_EXPR_LIST_node): Free an individual EXPR_LIST node.
13520 (free_INSN_LIST_node): Free an individual INSN_LIST node.
13521 * haifa-sched.c (unused_insn_list, unused_expr_list): Moved to flow.c
13522 (free_list, alloc_INSN_LIST, alloc_EXPR_LIST): Moved to flow.c
13523 (remove_dependence, free_pending_lists): Use new global routines.
13524 (flush_pending_lists, sched_analyze_insn): Use new global routines.
13525 (sched_analyze, compute_block_backward_dependences): Use new routines.
13526 (sched_analyze_1, sched_analyze_2): Use new routines.
13527 (schedule_insns): Use new global routines.
13528 * rtl.h (init_EXPR_INSN_LIST_cache, free_EXPR_LIST_list): Add function
13530 (free_INSN_LIST_list, free_EXPR_LIST_node): Add prototypes.
13531 (free_INSN_LIST_node, alloc_INSN_LIST, alloc_EXPR_LIST): Add function
13533 * toplev.c (rest_of_compilation): Initialize node cache.
13534 * Makefile.in (OBJS): Add lists.o to list of object files.
13535 (lists.o): Add dependancies.
13537 Wed Aug 25 17:31:56 1999 Nick Clifton <nickc@cygnus.com>
13539 * config/v850/v850.md: Fix compile time warning messages.
13540 * config/v850/v850.c: Fix compile time warning messages.
13541 * config/v850/v850.h: Fix compile time warning messages.
13543 Wed Aug 25 09:44:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13545 * genattr.c (gen_attr): Add prototype arguments for get_attr_*().
13546 Remove unused prototype for `init_lengths'.
13548 Wed Aug 25 09:32:31 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13550 * calls.c (emit_call_1): Mark parameter `stack_size' with
13552 (expand_call): Initialize variable `insn'.
13553 (emit_library_call): Likewise for variable `high_to_save'.
13554 (emit_library_call_value): Likewise.
13555 (store_one_arg): Likewise for variables `lower_bound' and
13558 * combine.c (try_combine): Likewise for variables `i2_code_number'
13559 and `other_code_number'.
13560 (find_split_point): Likewise for variables `pos', `unsignedp' and
13562 (simplify_if_then_else): Likewise for variables `op' and `c1'.
13563 (simplify_and_const_int): Remove unused variable `width'.
13564 (merge_outer_ops): Likewise.
13566 * cse.c (simplify_binary_operation): Cast an INTVAL() to `unsigned
13567 HOST_WIDE_INT' when comparing against one.
13568 (simplify_relational_operation): Likewise.
13569 (cse_insn): Initialize variables `src_eqv_volatile',
13570 `src_eqv_in_memory', `src_eqv_in_struct', `src_eqv_hash' and `sets'.
13572 * final.c (init_final): Constify parameter `filename'.
13573 (final_start_function): Mark parameter `optimize' with
13575 (profile_function): Likewise for parameters `first' and `optimize'.
13576 (output_source_line): Likewise for parameter `file'.
13578 * integrate.c (subst_constants): Cast a value to `size_t' when
13579 comparing against one.
13580 (mark_stores): Initialize variable `mode'. Cast a value to
13581 `size_t' when comparing against one.
13583 * integrate.h (MAYBE_EXTEND_CONST_EQUIV_VARRAY): Likewise.
13585 * loop.c (move_movables): Initialize variable `first'.
13586 (strength_reduce): Likewise for variable `increment'.
13587 (check_dbra_loop): Likewise for variable `comparison_val'. Cast a
13588 value to `size_t' when comparing against one.
13589 (load_mems): Initialize variable `end_label'.
13591 * output.h (init_final): Constify parameter.
13593 * reload.c (decompose): Initialize variable `base'.
13595 * reload1.c (reload): Likewise for variable `is_scalar'.
13596 (spill_hard_reg): Mark parameter `dumpfile' with ATTRIBUTE_UNUSED.
13597 (choose_reload_regs): Initialize variable `mode'.
13598 (emit_reload_insns): Likewise for variable `store_insn'.
13599 (reload_cse_noop_set_p): Mark parameter `insn' with
13601 (reload_combine): Initialize variable `set'.
13603 * unroll.c (unroll_loop): Likewise for variable `local_label'.
13604 (copy_loop_body): Cast a value to `size_t' when comparing against
13607 * varasm.c (assemble_variable): Initialize variable `size_tree'.
13608 (const_hash): Add an `else abort()' in an if-else-if-else sequence.
13609 (remove_from_pending_weak_list): Mark parameter `name' with
13612 Wed Aug 25 11:18:39 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13614 * toplev.c (rest_of_compilation): Use decl_printable_name when opening
13617 Wed Aug 25 10:57:12 1999 Nick Clifton <nickc@cygnus.com>
13619 * config/arm/telf.h (ASM_WEAKEN_LABEL): Define.
13620 (ASM_DECLARE_FUNCTION_NAME): Define.
13621 (TYPE_ASM_OP, SIZE_ASM_OP, TYPE_OPERAND_FORMAT,
13622 ASM_DECLARE_RESULT, ASM_DECLARE_OBJECT_NAME,
13623 ASM_FINISH_DECLARE_OBJECT, ASM_DECLARE_FUNCTION_SIZE): Define if
13624 not already defined.
13626 Wed Aug 25 01:36:11 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
13628 * calls.c (emit_call_1): Use call_pop/call_value_pop for all values
13629 of n_popped when call/call_value are not defined.
13631 Wed Aug 25 01:25:14 1999 Jeffrey A Law (law@cygnus.com)
13633 * tm.texi: GNU CC -> GCC conversion.
13634 (CC1_SPEC): Indicate it is used for all language front ends.
13636 Tue Aug 24 23:43:03 1999 Mark Mitchell <mark@codesourcery.com>
13638 * flow.c (delete_block): Spell NOTE_INSN_EH_REGION_BEG and
13639 NOTE_INSN_EH_REGION_END correctly.
13641 Tue Aug 24 23:26:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
13642 Jeff Law <law@cygnus.com>
13644 * loop.c (strength_reduce): Automatically unroll loops if the
13645 unrolled loop size is smaller than the rolled loop size.
13647 * loop.c (insert_bct): Replace use of sdiv_optab with asr_optab
13648 and delete comment that code should be rewritten.
13650 Tue Aug 24 22:56:35 1999 Jeffrey A Law (law@cygnus.com)
13652 * haifa-sched.c (find_rgns): Mark a block found during the DFS search
13655 * haifa-sched.c (get_visual_tbl_length): Fix off-by-one error.
13657 Tue Aug 24 22:41:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
13659 * fixinc/mkfixinc.sh: Don't fix uwin headers.
13660 * i386/uwin.h (MD_STARTFILE_PREFIX): Define.
13661 (LINK_SPEC): Add -u _main when building executables.
13662 (ASM_DECLARE_FUNCTION): Update from Cygwin.
13663 (ASM_FILE_END): Use the default for ix86-pe.
13664 * i386/xm-uwin.h (HAVE_BCOPY): Undefine.
13666 Tue Aug 24 20:49:47 1999 Art Haas <ahaas@neosoft.com>
13668 * final.c (output_addr_const): Handle case where ASM_OPEN_PAREN
13669 and ASM_CLOSE_PAREN are empty strings.
13671 Wed Aug 25 12:46:22 1999 Fred Fish <fnf@cygnus.com>
13672 Geoffrey Keating <geoffk@cygnus.com>
13674 * Makefile.in (PREPROCESSOR_DEFINES): New macro.
13675 (protoize.o): Use PREPROCESSOR_DEFINES and DRIVER_DEFINES.
13676 (unprotoize.o): Ditto.
13677 (test-protoize-simple): Don't define STD_PROTO_DIR.
13678 * protoize.c: Use PARAMS rather than PROTO. Minor whitespace
13679 changes to make 'test-protoize-simple' pass.
13680 (STD_PROTO_DIR): Remove define.
13681 (STANDARD_EXEC_PREFIX): Supply default define.
13682 (standard_exec_prefix): New variable, init to STANDARD_EXEC_PREFIX.
13683 (target_machine): New variable, init to DEFAULT_TARGET_MACHINE.
13684 (target_version): New variable, init to DEFAULT_TARGET_VERSION.
13685 (GET_ENV_PATH_LIST): New macro.
13686 (default_syscalls_dir): No longer initialized to STD_PROTO_DIR.
13687 (do_processing): Initialize default_syscalls_dir using new
13688 macros. Use it to initialize syscalls_absolute_filename.
13690 Tue Aug 24 16:58:15 1999 Richard Henderson <rth@cygnus.com>
13692 * jump.c (jump_optimize_1): Do cmov opt on any single-set; force
13693 B into a register before emit_conditional_move.
13695 Tue Aug 24 15:37:03 1999 Richard Henderson <rth@cygnus.com>
13697 * fold-const.c (fold): Reassociate (+ (+ (* a b) c) (* d e))
13698 as (+ (+ (* a b) (* d e)) c). Factor a common power-of-two
13699 multiplicand out of (+ (* a b) (* c d)).
13701 Tue Aug 24 11:46:10 1999 Bob Manson <manson@cygnus.com>
13702 Richard Henderson <rth@cygnus.com>
13704 * haifa-sched.c (split_hard_reg_notes): Move to flow.c
13705 (new_insn_dead_notes): Likewise.
13706 (update_n_sets): Likewise.
13707 (update_flow_info): Move to flow.c, renamed to update_life_info;
13708 extend to handle multiple source insns.
13709 * flow.c: Include resource.h
13710 (unlink_insn_chain): New.
13711 (split_hard_reg_notes): New.
13712 (maybe_add_dead_note): New.
13713 (maybe_add_dead_note_use): New.
13714 (find_insn_with_note): New.
13715 (new_insn_dead_notes): New.
13716 (update_n_sets): New.
13717 (sets_reg_or_subreg_1, sets_reg_or_subreg): New.
13718 (maybe_remove_dead_notes): New.
13719 (update_life_info): New.
13720 (prepend_reg_notes): New.
13721 (replace_insns): New.
13722 * output.h (update_life_info): Declare.
13723 * recog.c (split_block_insns): Use update_life_info.
13724 * resource.c (find_free_register): Use reg_alloc_order, don't use
13725 fixed regs, make sure the mode is supported, don't use new regs.
13727 * rtl.h (replace_insns): Declare.
13729 Tue Aug 24 13:48:39 1999 Nathan Sidwell <nathan@acm.org>
13731 * expr.c (expand_expr): Cope with COND_EXPRs with one
13732 non-returning branch.
13734 Mon Aug 23 22:28:16 1999 Mark Mitchell <mark@codesourcery.com>
13736 * expr.c (store_expr): Always pass down the target, even when not
13739 1999-08-24 Nick Clifton <nickc@cygnus.com>
13741 * configure.in: Define target_cpu_default for v850 targets.
13742 * configure: Regenerate
13744 * config/v850/v850.h (TARGET_CPU_generic): Define.
13745 (GO_IF_LEGITIMATE_ADDRESS): Insist that SImode and larger constant
13746 addresses are 4 byte aligned.
13748 * config/v850/v850.c (print_operand): Cope with 'R' format DFmode
13751 Tue Aug 24 09:32:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13753 * genattr.c (function_unit_desc): Constify a char*. Add prototype.
13754 (main): Add prototypes.
13756 * genattrtab.c (substitute_address, write_const_num_delay_slots,
13757 attr_eq, attr_numeral, attr_equal_p, attr_copy_rtx): Prototype.
13758 (write_attr_get): Emit prototypes along with function definition.
13759 (write_eligible_delay): Mark a parameter with ATTRIBUTE_UNUSED.
13760 (write_complex_function): Emit static prototype along with
13761 function definition.
13763 * genemit.c (gen_split): Emit prototypes along with function
13766 * genoutput.c (output_epilogue): Add prototype to `insn_outfun'.
13767 Likewise for predicates and `insn_operand_predicate'.
13768 (process_template): Emit static prototype along with function
13771 * genrecog.c (make_insn_sequence): Constify a char*. Add
13772 prototypes for get_split_*().
13773 (write_subroutine): Emit prototypes along with function
13776 Tue Aug 24 12:35:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13778 * gcse.c (find_avail_set): Follow chains of register-register copies.
13779 Use oprs_not_set_p to guarantee that the returned value can be
13781 (cprop_insn): Don't verify the return value of find_avail_set with
13784 * gcse.c (cprop_jump): New function, broken out of cprop_insn.
13785 (cprop_cc0_jump): New function.
13786 (cprop_insn): Break out new function cprop_jump and use it.
13787 Also use cprop_cc0_jump for machines with CC0.
13788 (cprop): Don't crash if cprop_insn turned the insn into a NOTE.
13790 * tree.h (current_function_calls_setjmp,
13791 current_function_calls_longjmp): Delete declarations.
13792 * dsp16xx.c: Include "function.h".
13793 * elxsi.c: Likewise.
13794 * gmicro.c: Likewise.
13795 * h8300.c: Likewise.
13796 * i370.c: Likewise.
13797 * m32r.c: Likewise.
13798 * mn10200.c: Likewise.
13799 * mn10300.c: Likewise.
13800 * ns32k.c: Likewise.
13801 * spur.c: Likewise.
13802 * v850.c: Likewise.
13804 * rtl.h (rtx_equal_function_value_matters): Declare.
13805 * toplev.c (rtx_equal_function_value_matters): Don't declare.
13807 * function.c: Likewise.
13808 * emit-rtl.c: Likewise.
13810 Tue Aug 24 02:47:44 1999 Jeffrey A Law (law@cygnus.com)
13812 * expr.c (convert_move): Fix arguments to TRULY_NOOP_TRUNCATION
13815 1999-08-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
13817 * jump.c (delete_barrier_successors) Match (set (pc) (pc)) insn
13820 Mon Aug 23 23:35:52 1999 Matthias Klose <doko@cs.tu-berlin.de>
13822 * cpp.texi: Add a node documenting macro varargs (copied
13825 1999-08-23 22:23 -0700 Zack Weinberg <zack@bitmover.com>
13827 * cppspec.c: Put a null pointer at the end of the new argv.
13829 Mon Aug 23 21:23:24 1999 Jeffrey A Law (law@cygnus.com)
13831 * configure.in: Remove code to select/de-select the haifa
13832 scheduler. Every scheduled port gets haifa now.
13833 * configure: Rebuilt.
13834 * flags.h, genattrtab.c, rtl.h, toplev.c: Remove HAIFA ifdefs.
13836 * Makefile.in: Corresponding changes.
13838 Mon Aug 23 16:04:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13840 * optabs.c (prepare_cmp_insn): Turn COMPARISON arg into a pointer.
13841 All callers changed.
13842 (prepare_float_lib_cmp): Likewise.
13843 Use FLOAT_LIB_COMPARE_RETURNS_BOOL.
13844 * expr.h (emit_float_lib_cmp): Delete declaration.
13845 * tm.texi (FLOAT_LIB_COMPARE_RETURNS_BOOL): Document.
13846 * sparc.h (FLOAT_LIB_COMPARE_RETURNS_BOOL): Define.
13847 * sparc.md (bcc and scc patterns): Don't handle TFmode comparisons
13849 (cmptf): Now conditional on TARGET_HARD_QUAD.
13851 Fri Aug 20 17:52:27 1999 Jim Wilson <wilson@cygnus.com>
13853 * resource.c (mark_target_live_regs): Use
13854 PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.
13856 Fri Aug 20 19:07:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13858 * rtl.c (rtx_class, note_insn_name, reg_note_name): Constify.
13860 * rtl.h (rtx_class, reg_note_name, note_insn_name): Likewise.
13862 * genopinit.c (gen_insn): Use accessor macro, not `rtx_class'.
13864 Fri Aug 20 18:53:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13866 * rtl.h (rtx_format): Constify a char*.
13868 * rtl.c (rtx_format): Likewise.
13869 (copy_rtx, copy_most_rtx, read_rtx): Likewise.
13870 (init_rtl): Use accessor macro, not `rtx_format'.
13872 * alias.c (rtx_equal_for_memref_p, find_symbolic_term): Constify a
13875 * caller-save.c (mark_referenced_regs): Likewise.
13877 * combine.c (subst, make_compound_operation, known_cond,
13878 gen_rtx_combine, update_table_tick, get_last_value_validate,
13879 use_crosses_set_p, mark_used_regs_combine, move_deaths): Likewise.
13881 * cse.c (rtx_cost, mention_regs, canon_hash, exp_equiv_p,
13882 refers_to_p, canon_reg, fold_rtx, cse_process_notes,
13883 count_reg_usage): Likewise.
13885 * emit-rtl.c (gen_rtx, copy_rtx_if_shared, reset_used_flags):
13888 * final.c (leaf_renumber_regs_insn): Likewise.
13890 * flow.c (mark_used_regs, find_use_as_address, dump_flow_info,
13891 dump_edge_info, count_reg_references): Likewise.
13893 * function.c (fixup_var_refs_1, walk_fixup_memory_subreg,
13894 fixup_stack_1, purge_addressof_1, instantiate_virtual_regs_1):
13897 * gcse.c (oprs_unchanged_p, hash_expr_1, expr_equiv_p,
13898 oprs_not_set_p, expr_killed_p, compute_transp, find_used_regs,
13899 add_label_notes): Likewise.
13901 * genattrtab.c (attr_rtx, attr_copy_rtx, encode_units_mask,
13902 clear_struct_flag, count_sub_rtxs, count_alternatives,
13903 compares_alternatives_p, contained_in_p, walk_attr_value,
13904 write_expr_attr_cache): Likewise.
13906 * genconfig.c (walk_insn_part): Likewise.
13908 * genemit.c (max_operand_1, gen_exp): Likewise.
13910 * genextract.c (walk_rtx): Likewise.
13912 * genflags.c (num_operands): Likewise.
13914 * genoutput.c (scan_operands): Likewise.
13916 * genpeep.c (match_rtx): Likewise.
13918 * genrecog.c (add_to_sequence): Likewise.
13920 * haifa-sched.c (may_trap_exp, sched_analyze_2, attach_deaths):
13923 * integrate.c (save_constants, copy_for_inline,
13924 copy_rtx_and_substitute, subst_constants, restore_constants):
13927 * jump.c (mark_jump_label, invert_exp, redirect_exp,
13928 rtx_renumbered_equal_p, rtx_equal_for_thread_p): Likewise.
13930 * local-alloc.c (contains_replace_regs, memref_referenced_p):
13933 * loop.c (record_excess_regs, rtx_equal_for_loop_p,
13934 add_label_notes, replace_call_address, count_nonfixed_reads,
13935 invariant_p, find_single_use_in_loop, find_mem_givs,
13936 find_life_end, maybe_eliminate_biv_1, update_reg_last_use):
13939 * print-rtl.c (reg_names, print_rtx): Likewise.
13941 * recog.c (validate_replace_rtx_1, find_single_use_1): Likewise.
13943 * reg-stack.c (stack_regs_mentioned_p, record_label_references,
13944 record_reg_life_pat, swap_rtx_condition, goto_block_pat,
13945 print_blocks): Likewise.
13947 * regclass.c (fix_register, record_address_regs,
13948 reg_scan_mark_refs): Likewise.
13950 * regmove.c (stable_but_for_p): Likewise.
13952 * reload.c (loc_mentioned_in_p, operands_match_p,
13953 find_reloads_toplevsubst_reg_equivs, find_reloads_address_1,
13954 copy_replacements, refers_to_regno_for_reload_p,
13955 refers_to_mem_for_reload_p, find_inc_amount, regno_clobbered_p,
13956 reload_when_needed_name, reg_class_names, debug_reload_to_stream):
13959 * reload1.c (eliminate_regs, scan_paradoxical_subregs,
13960 delete_address_reloads_1, count_occurrences,
13961 reload_cse_mem_conflict_p, reload_combine_note_use,
13962 add_auto_inc_notes): Likewise.
13964 * resource.c (mark_referenced_resources, mark_set_resources):
13967 * rtlanal.c (rtx_unstable_p, rtx_varies_p, rtx_addr_varies_p,
13968 reg_mentioned_p, regs_set_between_p, modified_between_p,
13969 modified_in_p, refers_to_regno_p, reg_overlap_mentioned_p,
13970 rtx_equal_p, volatile_insn_p, volatile_refs_p, side_effects_p,
13971 may_trap_p, inequality_comparisons_p, replace_rtx, replace_regs,
13972 jmp_uses_reg_or_mem, for_each_rtx, regno_use_in): Likewise.
13974 * sched.c (sched_analyze_2, attach_deaths): Likewise.
13976 * stupid.c (stupid_mark_refs): Likewise.
13978 * unroll.c (remap_split_bivs): Likewise.
13980 * varasm.c (mark_constants): Likewise.
13982 * a29k/a29k.c (uses_local_reg_p): Likewise.
13984 * alpha/alpha.c (summarize_insn): Likewise.
13986 * arm/arm.c (symbol_mentioned_p, label_mentioned_p,
13987 eliminate_lr2ip): Likewise.
13989 * arm/thumb.c (symbol_mentioned_p, label_mentioned_p): Likewise.
13991 * i386/i386.c (symbolic_reference_mentioned_p, copy_all_rtx,
13992 reg_mentioned_in_mem): Likewise.
13994 * ns32k/ns32k.c (global_symbolic_reference_mentioned_p,
13995 symbolic_reference_mentioned_p): Likewise.
13997 * romp/romp.c (unsigned_comparisons_p, hash_rtx): Likewise.
13999 * sh/sh.c (regs_used, mark_use): Likewise.
14001 * vax/vax.c (vax_rtx_cost): Likewise.
14003 Fri Aug 20 18:38:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14005 * machmode.h (mode_name): Constify a char*.
14007 * rtl.c (mode_name): Likewise.
14009 * genopinit.c (gen_insn): Use accessor macro, not `mode_name'.
14011 * optabs.c (init_libfuncs): Constify a char*.
14013 * print-tree.c (mode_name): Remove redundant declaration.
14014 (print_node): Use accessor macro, not `mode_name'.
14016 * reload1.c (dump_needs): Constify a char*. Use accessor macro,
14018 (new_spill_reg): Constify a char*.
14020 * tree.c (mode_name): Remove redundant declaration.
14022 Fri Aug 20 18:31:26 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14024 * rtl.c (rtx_name): Constify a char*.
14026 * rtl.h (rtx_name, fix_sched_param): Likewise.
14028 * gmicro/gmicro.c (rtx_name): Remove redundant declaration.
14029 (mypr): Use accessor macro, not `rtx_name'.
14031 * genemit.c (print_code): Constify a char*.
14033 * genopinit.c (gen_insn): Use accessor macro, not `rtx_name'.
14035 * genpeep.c (print_code): Constify a char*.
14037 * genrecog.c (print_code): Likewise.
14039 * graph.c (start_fct, start_bb, node_data, draw_edge, end_fct,
14040 end_bb): Add static prototype.
14041 (draw_edge): Constify a char*.
14042 (end_bb): Remove unused parameter.
14044 * haifa-sched.c (fix_sched_param, safe_concat, print_exp
14045 print_block_visualization): Constify a char*.
14047 Fri Aug 20 15:02:10 1999 Mark Mitchell <mark@codesourcery.com>
14049 * c-common.c (c_get_alias_set): Update comment.
14051 1999-08-20 Andreas Jaeger <aj@arthur.rhein-neckar.de>
14053 * linux.h (LIB_SPEC): Added.
14055 Fri Aug 20 22:32:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14057 * config/c4x/c4x.h (STARTFILE_SPEC): Don't define.
14059 1999-08-19 18:43 -0700 Zack Weinberg <zack@bitmover.com>
14061 * tree.c (expr_check): Fix typo in last change.
14063 1999-08-19 14:44 -0700 Zack Weinberg <zack@bitmover.com>
14065 * rtl.def (NOTE): Change format to "iuu0n".
14066 (ADDR_DIFF_VEC): Change format to "eEee0".
14067 (ADDRESSOF): Change format to "eit".
14069 * rtl.h (rtvec): Make "elem" an array of rtx, not rtunion.
14070 (RTVEC_ELT): Change to match.
14071 (XVECEXP): Use XVEC and RTVEC_ELT.
14072 (INSN_UID, INSN_CODE, CODE_LABEL_NUMBER, NOTE_LINE_NUMBER,
14073 ADDRESSOF_REGNO, REGNO, SUBREG_WORD): Use XINT.
14074 (PREV_INSN, NEXT_INSN, PATTERN, REG_NOTES,
14075 CALL_INSN_FUNCTION_USAGE, SUBREG_REG, SET_SRC, SET_DEST,
14076 TRAP_CONDITION, TRAP_CODE): Use XEXP.
14077 (INTVAL): Use XWINT.
14078 (ADDRESSOF_DECL): Use XTREE.
14079 (SET_ADDRESSOF_DECL): Delete.
14080 (NOTE_DECL_NAME, NOTE_DECL_CODE, NOTE_DECL_RTL,
14081 NOTE_DECL_IDENTIFIER, NOTE_DECL_TYPE): Kill. These have been
14082 ifdefed out since 2.6 at least.
14083 (gen_rtvec_vv): Delete prototype.
14085 * rtl.h (rtvec_alloc): rt->elem is now an array of rtx,
14087 (copy_most_rtx): Handle 't' format letter.
14088 * emit-rtl.c (gen_rtvec_v): rt_val->elem is an array of rtx.
14089 (gen_rtvec_vv): Delete function. All callers changed to use
14090 gen_rtvec_v instead.
14091 * print-rtl.c (print_rtx): Move special casing of NOTEs to
14092 the '0' format letter.
14094 * function.c (gen_mem_addressof): Don't use
14095 SET_ADDRESSOF_DECL; provide `decl' to gen_rtx_ADDRESSOF
14097 * integrate.c (copy_rtx_and_substitute): Likewise.
14098 Copy 't' slots with XTREE.
14099 (subst_constants): Treat 't' slots like '[swi]' slots.
14100 * cse.c (canon_hash, exp_equiv_p): Treat 't' slots like '0' slots.
14101 * jump.c (rtx_equal_for_thread_p): Likewise.
14102 * rtlanal.c (rtx_equal_p): Likewise.
14103 * stmt.c (expand_end_case): gen_rtx_ADDR_DIFF_VEC now takes
14104 only four arguments.
14105 * gengenrtl.c (type_from_format): Provide correct types for
14109 * tree.h [ENABLE_CHECKING] (TREE_CHECK, TREE_CLASS_CHECK):
14110 If a recent gcc is in use (always in stage2 and beyond), use
14111 statement expressions, so we don't make a function call unless
14112 the check fails. Evaluate arguments exactly once.
14113 (CHAIN_CHECK, DO_CHECK, DO_CHECK1, TREE_CHECK1,
14114 TREE_CLASS_CHECK1, TYPE_CHECK1, DECL_CHECK1, CST_CHECK1):
14116 (CST_OR_CONSTRUCTOR_CHECK, EXPR_CHECK): Redefine such that
14117 they evaluate their arguments exactly once, irrespective of
14118 the compiler in use.
14120 * tree.c [ENABLE_CHECKING]: Define whichever set of functions
14121 is used by the currently-enabled check macros. This is:
14122 (tree_check_failed, tree_class_check_failed): For gcc.
14123 (tree_check, tree_class_check, cst_or_constructor_check,
14124 expr_check): For other compilers.
14126 * gencheck.c: Do not define any *_CHECK1 macros.
14128 Thu Aug 19 14:42:38 1999 Mike Stump <mrs@wrs.com>
14129 Mark Mitchell <mark@codesourcery.com>
14131 * c-common.c (c_get_alias_set): Fix support for poitners and
14134 Thu Aug 19 11:51:22 EDT 1999 John Wehle (john@feith.com)
14136 * alias.c: Include tree.h.
14137 (nonlocal_reference_p, mark_constant_function): New functions.
14138 * flow.c (life_analysis): Call mark_constant_function.
14139 * rtl.h (mark_constant_function): Declare it.
14141 Thu Aug 19 15:02:01 1999 Nick Clifton <nickc@cygnus.com>
14143 * config/rs6000/rs6000.c (rs6000_override_options): Fix test for
14144 unrecognisable switches.
14146 Wed Aug 18 23:31:57 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14148 * loop.c (recombine_givs): Set ix field after sorting.
14149 (recombine_givs): Remove bogus index / giv lockstep looping.
14151 Wed Aug 18 18:20:40 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14153 * expmed.c (emit_store_flag): If UNSIGNEDP, call unsigned_condition
14155 (emit_store_flag_force): Use do_compare_rtx_and_jump.
14156 (do_cmp_and_jump): Formatting fixes.
14157 * expr.c (do_compare_and_jump): Renamed from compare; changed to call
14158 do_compare_rtx_and_jump instead of compare_from_rtx.
14159 (do_compare_rtx_and_jump): New function; mostly copied from
14161 (do_jump_for_compare): Delete.
14162 (expand_expr): Use do_compare_rtx_and_jump when handling MAX_EXPR and
14164 (do_jump): Use do_compare_and_jump or do_compare_rtx_and_jump instead
14165 of compare/do_jump_for_compare pairs.
14166 (do_jump_by_parts_greater): Use do_jump_by_parts_greater_rtx.
14167 (do_jump_by_parts_greater_rtx): Use do_compare_rtx_and_jump instead of
14168 compare_from_rtx/do_jump_for_compare pairs.
14169 (do_jump_by_parts_equality): Likewise.
14170 (do_jump_by_parts_equality_rtx): Likewise.
14171 * expr.h (do_compare_rtx_and_jump): Declare.
14172 * optabs.c (prepare_cmp_insn): New function, contains most of the code
14173 that used to be in emit_cmp_insn.
14174 (cmp_available_p): New function.
14175 (prepare_operand): New function.
14176 (emit_cmp_and_jump_insn_1): New function, contains some code that used
14177 to be in emit_cmp_insn.
14178 (prepare_float_lib_cmp): Renamed from emit_float_lib_cmp; change some
14179 parameters to be pointers; don't emit final compare but modify some of
14180 the values pointed to by the args so the caller can perform the
14181 correct comparison.
14182 (expand_binop): Call emit_store_flag_force with signed forms of
14184 (expand_abs): Use do_compare_rtx_and_jump instead of compare_from_rtx/
14185 emit_jump_insn pair.
14186 (emit_cmp_and_jump_insn): Use prepare_cmp_insn and
14187 emit_cmp_and_jump_insn_1. Call emit_queue.
14188 (emit_cmp_insn): Just call emit_cmp_and_jump_insns with zero for LABEL
14190 * flow.c (tidy_fallthru_edge): If HAVE_cc0, verify insn before a
14191 jump sets cc0 before deleting it.
14192 * integrate.c (expand_inline_function): Likewise.
14193 * unroll.c (unroll_loop): Similar changes in several places.
14194 (copy_loop_body): If HAVE_cc0, verify insn before a jump sets cc0
14195 before deleting it.
14197 Wed Aug 18 06:37:44 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14199 * Makefile.in (insn-recog.o): Update dependencies.
14200 * genrecog.c (main): Make generated file include "function.h".
14202 Sat Aug 14 00:54:57 1999 Geoffrey Keating <geoffk@cygnus.com>
14204 * cse.c (cse_insn): Call never_reached_warning when a jump is
14205 changed to be unconditional.
14206 * flags.h: Declare warn_notreached.
14207 * flow.c (delete_block): Call never_reached_warning when
14208 a block is deleted.
14209 * jump.c (delete_barrier_successors): Call never_reached_warning
14210 when we delete everything after a BARRIER.
14211 (never_reached_warning): New function.
14212 * rtl.h: Declare never_reached_warning.
14213 * toplev.c (warn_notreached): New variable.
14214 (lang_independent_options): Set warn_notreached
14215 when -Wunreachable-code.
14216 (compile_file): We need line numbers for -Wunreachable-code.
14218 Tue Aug 17 22:06:11 1999 Jan Hubicka <hubicka@freesoft.cz>
14220 * haifa-sched.c (insn_unit): Fix typo on out of range test.
14221 * sched.c (insn_unit): Likewise.
14223 Tue Aug 17 21:57:23 1999 Andreas Schwab <schwab@suse.de>
14225 * combine.c (distribute_notes): Handle REG_EH_RETHROW.
14227 Tue Aug 17 17:39:43 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
14229 * flow.c (create_edge_list): Use xmalloc, not malloc.
14231 Tue Aug 17 01:40:54 1999 Loren Rittle <ljrittle@acm.org>
14233 * fixinc/inclhack.def (no_double_slash): Do not trash single-line
14234 C-style comments. Do not lose the character before double slash.
14236 Mon Aug 16 18:08:22 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
14238 * basic-block.h (struct edge_list): Stucture to maintain a vector
14240 (EDGE_INDEX_NO_EDGE, EDGE_INDEX, INDEX_EDGE_PRED_BB, INDEX_EDGE_SUCC_BB,
14241 INDEX_EDGE, NUM_EDGES): New Macros for accessing edge list.
14242 (create_edge_list, free_edge-List, print_edge_list, verify_edge_list):
14243 New function prototypes.
14244 * flow.c (create_edge_list): Function to create an edge list.
14245 (free_edge_list): Discards memory used by an edge list.
14246 (print_edge_list): Debug output showing an edge list.
14247 (verify_edge_list): Internal consistency check for an edge list.
14248 (find_edge_index): Function to find an edge index for a pred and succ.
14250 Mon Aug 16 11:56:36 1999 Mark Mitchell <mark@codesourcery.com>
14252 * tree.c (type_hash_add): Use permalloc to allocate nodes in the
14255 Mon Aug 16 17:04:15 1999 Jorn Rennecke <amylaar@cygnus.co.uk>
14257 * mips.h (CLASS_CANNOT_CHANGE_SIZE): Define.
14259 Fri Aug 13 15:20:43 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
14261 * config/i386/freebsd.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
14263 Fri Aug 13 10:21:28 1999 Nick Clifton <nickc@cygnus.com>
14265 * toplev.c (rest_of_compilation): Allow machine dependent
14266 reorganisation pass to place information into the RTL dump
14267 file if it so wishes.
14269 Sun Aug 15 12:41:21 1999 Jim Wilson <wilson@cygnus.com>
14271 * explow.c (hard_function_value): Use VOIDmode instead of
14273 * stmt.c (expand_return): Likewise.
14274 * stor-layout.c (get_best_mode): Likewise.
14276 * genemit.c (gen_expand): If next is MATCH_PAR_DUP, then output
14277 emit call instead of emit_insn call.
14279 Sat Aug 14 15:04:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
14281 * configure.in: Handle --disable/enable-win32-registry.
14282 * install.texi: Document --disable/enable-win32-registry.
14283 * acconfig.h (ENABLE_WIN32_REGISTRY): New macro.
14284 (WIN32_REGISTRY_KEY): New macro.
14285 * prefix.c: Use to enable/disable win32-specific code.
14286 (lookup_key): Use versioned key.
14287 * configure: Regenerate.
14288 * config.in: Likewise.
14290 Fri Aug 13 17:41:55 1999 Jason Merrill <jason@yorick.cygnus.com>
14292 * cpplib.c (read_line_number): New fn, split out of...
14295 Fri Aug 13 14:18:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
14297 tree.c (lang_unsave_expr_now) : New.
14298 (unsave_expr_now): Call lang_unsave_expr_now.
14299 tree.h (lang_unsave_expr_now) : New.
14301 Fri Aug 13 00:49:46 1999 Jason Merrill <jason@yorick.cygnus.com>
14303 * toplev.c (flag_new_exceptions): On by default.
14305 1999-08-13 Michael Meissner <meissner@cygnus.com>
14307 * Makefile.in (GCC_FOR_TARGET): Move -B./ after the tooldir -B.
14309 Fri Aug 13 01:29:57 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
14311 * dwarfout.c (fundamental_type_code): Return FT_boolean for
14312 INTEGER_TYPE with precision==1, it's __java_boolean.
14314 Thu Aug 12 23:51:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14316 * global.c (prune_preferences): Move some invariants out of the
14319 Thu Aug 12 15:30:29 1999 Jesse Perry (jap@unx.dec.com)
14321 * configure.in (alpha*-dec-osf*): Add osf5.
14323 Sun Aug 1 22:24:03 1999 Philip Blundell <philb@gnu.org>
14325 * configure.in: Rework handling of ARM GNU/Linux slightly.
14326 (arm*-*-linux-gnuoldld): New target.
14327 * configure: Regenerate.
14328 * install.texi (Configurations): Add arm-*-linux-gnu{oldld} and
14329 arm-*-elf. Mention that arm-*-linux-gnuaout is obsolete.
14330 * config/arm/linux-oldld.h: New file.
14331 * config/arm/linux-elf26.h: Don't include linux-elf.h.
14332 (TARGET_DEFAULT, SUBTARGET_LINK_SPEC, SUBTARGET_EXTRA_ASM_SPEC):
14334 * config/arm/linux-elf.h (ASM_SPEC): Define.
14335 (TARGET_DEFAULT, SUBTARGET_EXTRA_LINK_SPEC,
14336 SUBTARGET_EXTRA_ASM_SPEC, CPP_APCS_PC_DEFAULT): Add definitions
14337 for 26-bit APCS and old linker.
14338 (CPP_PREDEFINES): Define `__arm__'; don't define `arm' or
14340 (FP_DEFAULT): Define to FP_SOFT3 for all machines.
14341 * config/arm/linux-aout.h (CPP_PREDEFINES): Define `__arm__';
14342 don't define `arm' or `arm_elf'.
14343 * config/arm/t-linux (EXTRA_MULTILIB_PARTS, MULTILIB_OPTIONS,
14344 MULTILIB_DIRNAMES): Define. Fix typo in comment.
14346 Thu Aug 12 10:14:47 1999 Andreas Schwab <schwab@suse.de>
14348 * rtl.texi: Fix typo.
14350 Wed Aug 11 23:50:57 1999 Jason Merrill <jason@yorick.cygnus.com>
14352 * invoke.texi (C++ Dialect Options): Add -fms-extensions.
14354 Wed Aug 11 12:59:37 1999 Mark Mitchell <mark@codesourcery.com>
14356 * extend.texi (C++ Signatures): Remove node.
14357 * invoke.texi: Remove discussion of -fhandle-signatures,
14358 signature, sigof, __signature__, and __sigof__.
14360 Wed Aug 11 03:38:25 1999 Jeffrey A Law (law@cygnus.com)
14362 * Makefile.in (JAVAGC): Removed.
14364 Wed Aug 11 02:13:26 1999 Mumit Khan <khan@xraylith.wisc.edu>
14366 * i386/cygwin.h (ASM_OUTPUT_ALIGNED_BSS): Define.
14368 1999-08-11 Mark Elbrecht <snowball3@bigfoot.com>
14370 * i386/djgpp.h (ASM_OUTPUT_ALIGNED_BSS): Define.
14372 1999-08-11 Richard Earnshaw (rearnsha@arm.com)
14374 * emit-rtl.c (mark_reg_pointer): Don't increase the alignment of
14375 a register that is already known to be a pointer.
14377 1999-08-11 Bruce Korb <ddsinc09@ix.netcom.com>
14379 * fixinc/inclhack.tpl: Only install assert.h conditionally.
14380 * fixinc/inclhack.sh: Regenerated.
14381 * fixinc/fixincl.sh: Regenerated.
14383 Wed Aug 11 00:34:22 1999 Joe Buck <jbuck@synopsys.com>
14385 * invoke.texi: s/GNU CC/GCC/ for consistency with gcc.texi.
14386 Fix documentation of -ansi flag to describe its C++ behavior.
14387 Remove bogus reference to GCC 2.9.
14389 Tue Aug 10 17:19:02 1999 Jim Wilson <wilson@cygnus.com>
14391 * config/sh/sh.c (machine_dependent_reorg): Only call PUT_MODE on
14392 note if it is non-NULL.
14394 Tue Aug 10 10:47:42 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
14396 * except.h (eh_nesting_info): Add new structure defintion.
14397 (init_eh_nesting_info, free_eh_nesting_info): Add function prototypes.
14398 (reachable_handlers, update_rethrow_references): Add function
14400 * rtl.h (struct rtvec_def): Update comments. REG_EH_RETHROW takes
14401 a rethrow symbol instead of an integer exception region number.
14402 * flow.c (Make_edges): Use new exception nesting routines to determine
14403 which handlers are reachable from a CALL or asynchronous insn.
14404 Dont add an edge for calls with a REG_EH_REGION of -1 to non-local
14406 (delete_eh_regions): Update rethrow labels, and don't delete
14407 regions which are the target of a rethrow.
14408 * except.c (struct func_eh_entry): Add rethrow_ref field, now we can
14409 avoid overloading the SYMBOL_REF_USED flag.
14410 (rethrow_symbol_map): Use new rethrow_ref field.
14411 (rethrow_used): Use new rethrow_ref field.
14412 (expand_rethrow): REG_EH_RETHROW now has a SYMBOL_REF instead
14413 of an integer. Fix formatting.
14414 (output_exception_table_entry): Use new rethrow_ref field.
14415 (can_throw): Check for EH_REGION_NOTE before deciding
14416 whether a CALL can throw or not.
14417 (scan_region): Call rethrow_used() instead of accessing data structure.
14418 (update_rethrow_references): New function to make sure only regions
14419 which are still targets of a rethrow are flagged as such.
14420 (process_nestinfo): New static function to initialize a handler
14421 list for a specific region.
14422 (init_eh_nesting_info): New function to allocate and initialize
14423 the list of all EH handlers reachable from all regions.
14424 (reachable_handlers): New function to retrieve the list of handlers
14425 reachable from a specific region and insn.
14426 (free_eh_nesting_info): New function to dispose of a list of
14427 reachable handlers.
14429 Tue Aug 10 10:39:31 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
14431 * flow.c (split_edge): Set JUMP_LABEL field.
14432 (commit_one_edge_insertion): Set head correctly for insert_before.
14433 When inserting insns, update insn block numbers if allocated.
14435 Tue Aug 10 09:26:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14437 * dwarf2out.c (dwarf2out_frame_debug_expr, add_incomplete_type,
14438 retry_incomplete_types): Add static prototype.
14439 (stripattributes, dwarf_cfi_name, ASM_OUTPUT_DWARF_STRING,
14440 dwarf_tag_name, dwarf_attr_name, dwarf_form_name,
14441 dwarf_stack_op_name, dwarf_type_encoding_name, add_AT_string,
14442 dwarf2_name, add_name_attribute, lookup_filename, dwarf2out_line,
14443 dwarf2out_start_source_file, dwarf2out_define, dwarf2out_undef):
14446 * dwarf2out.h (dwarf2out_define, dwarf2out_undef,
14447 dwarf2out_start_source_file, dwarf2out_line): Likewise.
14449 Tue Aug 10 09:21:46 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14451 * output.h (assemble_name): Constify a char*.
14453 * varasm.c (UNIQUE_SECTION, assemble_start_function,
14454 assemble_variable, assemble_name): Likewise.
14456 * dwarf2out.c (ASM_NAME_TO_STRING): Likewise.
14458 * arm/pe.c (arm_pe_unique_section): Likewise.
14460 * i386/cygwin.h (STRIP_NAME_ENCODING): Likewise.
14462 * i386/i386-interix.h (STRIP_NAME_ENCODING): Likewise.
14464 * i386/interix.c (i386_pe_unique_section): Likewise.
14466 * i386/win32.h (STRIP_NAME_ENCODING): Likewise.
14468 * i386/winnt.c (i386_pe_unique_section): Likewise.
14470 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
14472 * mn10200/mn10200.h (ASM_OUTPUT_LABELREF): Likewise.
14474 * mn10300/mn10300.h (ASM_OUTPUT_LABELREF): Likewise.
14476 * pa/pa.c (output_call): Likewise.
14478 * pa/pa.h (ASM_OUTPUT_MI_THUNK): Likewise.
14480 * pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Likewise.
14482 * rs6000/rs6000.c (rs6000_output_load_toc_table, output_toc):
14485 * rs6000/rs6000.h (RS6000_OUTPUT_BASENAME, STRIP_NAME_ENCODING):
14488 * rs6000/sol2.h (ASM_OUTPUT_SOURCE_LINE): Likewise.
14490 * rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME, ASM_OUTPUT_INT,
14491 STRIP_NAME_ENCODING, ASM_OUTPUT_LABELREF): Likewise.
14493 * v850/v850.h (ASM_OUTPUT_LABELREF): Likewise.
14495 Mon Aug 9 19:54:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14497 * real.c (GET_REAL, PUT_REAL): Use memcpy instead of bcopy.
14499 Mon Aug 9 19:36:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14501 * tree.h (lang_identify): Constify a char*.
14502 (print_error_function): Add extern prototype. Constify a char*.
14504 * c-lang.c (lang_identify): Constify a char*.
14506 * objc/objc-act.c (lang_identify): Constify a char*.
14508 Mon Aug 9 16:21:53 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14510 * genpeep.c (main): Make generated file include "function.h".
14511 * arm.c (function_really_clobbers_lr): Delete INLINE_HEADER case.
14513 Mon Aug 9 10:08:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14515 * Makefile.in: Update dependencies.
14516 * alias.c: Include "function.h"
14517 * c-decl.c: Likewise.
14518 * caller-save.c: Likewise.
14519 * calls.c: Likewise.
14520 * combine.c: Likewise.
14522 * explow.c: Likewise.
14523 * final.c: Likewise.
14524 * global.c: Likewise.
14525 * graph.c: Likewise.
14526 * local-alloc.c: Likewise.
14527 * loop.c: Likewise.
14528 * optabs.c: Likewise.
14529 * profile.c: Likewise.
14530 * recog.c: Likewise.
14531 * regclass.c: Likewise.
14532 * regmove.c: Likewise.
14533 * reload.c: Likewise.
14534 * reorg.c: Likewise.
14535 * resource.c: Likewise.
14536 * sched.c: Likewise.
14537 * stupid.c: Likewise.
14538 * config/1750a/1750a.c: Likewise.
14539 * config/a29k/a29k.c: Likewise.
14540 * config/arc/arc.c: Likewise.
14541 * config/arm/arm.c: Likewise.
14542 * config/arm/thumb.c: Likewise.
14543 * config/c4x/c4x.c: Likewise.
14544 * config/clipper/clipper.c: Likewise.
14545 * config/convex/convex.c: Likewise.
14546 * config/fx80/fx80.c: Likewise.
14547 * config/i860/i860.c: Likewise.
14548 * config/m68k/m68k.c: Likewise.
14549 * config/m88k/m88k.c: Likewise.
14550 * config/mips/mips.c: Likewise.
14551 * config/pdp11/pdp11.c: Likewise.
14552 * config/pyr/pyr.c: Likewise.
14553 * config/romp/romp.c: Likewise.
14554 * config/sh/sh.c: Likewise.
14555 * config/tahoe/tahoe.c: Likewise.
14556 * config/vax/vax.c: Likewise.
14557 * config/we32k/we32k.c: Likewise.
14558 * config/sparc/sparc.c: Include "function.h".
14559 (mem_min_alignment): Test current_function rather than
14560 regno_pointer_align.
14561 * config/pa/pa.c: Likewise.
14562 (compute_frame_size): Delete declaration of
14563 current_function_outgoing_args_size.
14564 * config/arc/arc.h (current_function_varargs): Delete declaration.
14565 * config/elxsi/elxsi.h (current_function_calls_alloca): Delete
14567 * config/i370/i370.h (current_function_outgoing_args_size): Delete
14569 * config/i386/i386.h (FINALIZE_PIC): Delete declaration of
14570 current_function_uses_pic_offset_table.
14571 * config/m68k/a-ux.h (FUNCTION_EXTRA_EPILOGUE): Delete declaration
14572 of current_function_returns_pointer.
14573 * config/m68k/altos3068.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
14574 * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
14575 * config/m68k/m68kv4.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
14576 * config/m68k/mot3300.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
14577 * config/m68k/pbb.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
14578 * config/m68k/tower-as.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
14579 * config/m88k/m88k.c: Include "function.h"
14580 (call_used_regs, current_function_pretend_args_size,
14581 current_function_outgoing_args_size, frame_pointer_needed): Delete
14583 * config/m88k/m88k.h (current_function_pretend_args_size): Delete
14585 * config/mips/mips.h (current_function_calls_alloca): Delete
14587 * config/mn10200/mn10200.h (current_function_needs_context,
14588 rtx_equal_function_value_matters): Delete declarations.
14589 * config/ns32k/ns32k (current_function_uses_pic_offset_table,
14590 flag_pic): Delete declarations.
14591 * config/pa/pa.h (current_function_pretend_args_size,
14592 current_function_decl): Delete declarations.
14593 * config/pa/som.h (current_function_varargs): Delete declaration.
14594 * config/pdp11/pdp11.h (current_function_pretend_args_size): Delete
14596 * config/pyr/pyr.h (current_function_pretend_args_size,
14597 current_function_args_size, current_function_calls_alloca): Delete
14599 * config/sh/sh.h (current_function_varargs): Delete declaration.
14600 * config/sparc/sparc.h (current_function_outgoing_args_size,
14601 current_function_calls_alloca, current_function_decl): Delete
14603 * config/spur/spur.h (current_function_pretend_args_size,
14604 current_function_calls_alloca): Delete declarations.
14605 * config/v850/v850.c (current_function_outgoing_args_size): Delete
14607 * config/vax/vms.h (current_function_name): Delete declaration.
14608 * gcse.c: Include "function.h".
14609 (current_function_name, current_function_calls_setjmp): Delete
14611 * haifa-sched.c: Include "function.h".
14612 (forced_labels): Delete declaration.
14613 * jump.c: Likewise.
14614 * reg-stack.c: Likewise.
14615 * reload1.c: Likewise.
14616 * genemit.c (main): Make generated file include function.h.
14617 * genoutput.c (output_prologue): Likewise.
14619 * builtins.c (saveregs_value, apply_args_value): Delete variables.
14620 * emit-rtl.c (reg_rtx_no, first_label_num, first_insn, last_insn,
14621 sequence_rtl_expr, cur_insn_uid, last_linenum, last_filename,
14622 regno_pointer_flag, regno_pointer_flag_length, regno_pointer_align,
14623 regno_reg_rtx, sequence_stack): Delete variables. Add accessor
14624 macros for some of them.
14625 (emit_filename, emit_lineno): Delete declarations.
14626 (gen_reg_rtx): Use memset/memcpy instead of bzero/bcopy. Access
14627 regno_pointer_* variables through current_function.
14628 (gen_inline_header_rtx): Delete function.
14629 (save_emit_status): Delete function.
14630 (set_new_last_label_num): New function.
14631 (clear_emit_caches): New function.
14632 (restore_emit_status): Just clear last_labelnum and call
14634 (get_last_insn_anywhere): Variable sequence_stack is now accessed
14635 through macro seq_stack.
14636 (add_insn_after): Likewise.
14637 (add_insn_before): Likewise.
14638 (remove_insn): Likewise.
14639 (pop_topmost_sequence): Likewise.
14640 (in_sequence_p): Likewise.
14641 (start_sequence_for_rtl_expr): Likewise.
14642 (start_sequence): Likewise, and likewise for
14643 sequence_rtl_expr/seq_rtl_expr.
14644 (push_topmost_sequence): Likewise.
14645 (end_sequence): Likewise.
14646 (init_virtual_regs): Now takes a "struct emit_status *" argument.
14647 All callers changed. Store into that pointer instead of globals.
14648 (init_emit): Allocate emit elt of current_function.
14649 Changes for sequence_rtl_expr/sequence_stack renaming.
14650 Call clear_emit_caches instead of doing it in-line.
14651 Access regno_pointer_* variables through current_function.
14652 (init_emit_once) Don't clear sequence_stack.
14654 * expr.c (pending_stack_adjust, inhibit_defer_pop, pending_chain):
14656 (arg_pointer_save_area): Delete declaration.
14657 (finish_expr_for_function): Renamed from init_queue; no longer static.
14658 (init_expr): Don't call init_queue.
14659 (save_expr_status, restore_expr_status): Delete functions.
14660 (expand_expr): Changes to reflect new layout of struct function.
14661 Don't access current_function_check_memory_usage when current_function
14663 * expr.h (forced_labels, save_expr_regs, saveregs_value,
14664 apply_args_value, current_function_calls_alloca, inhibit_defer_pop,
14665 current_function_outgoing_args_size, current_function_arg_offset_rtx,
14666 current_function_uses_const_pool, function_call_count,
14667 current_function_uses_pic_offset_table, nonlocal_labels,
14668 current_function_internal_arg_pointer, nonlocal_goto_stack_level,
14669 current_function_check_memory_usage, nonlocal_goto_handler_slots,
14670 pending_stack_adjust, target_temp_slot_level, temp_slot_level): Delete
14672 (finish_expr_for_function): Declare.
14673 * flags.h (current_function_has_nonlocal_label,
14674 current_function_has_nonlocal_goto, current_function_is_thunk,
14675 current_function_has_computed_jump): Delete declarations.
14676 * flow.c (forced_labels): Delete declaration.
14677 * function.c (current_function_pops_args,
14678 current_function_returns_struct, current_function_returns_pcc_struct,
14679 current_function_needs_context, current_function_calls_setjmp,
14680 current_function_calls_longjmp, current_function_has_nonlocal_label,
14681 current_function_has_nonlocal_goto, current_function_is_thunk,
14682 current_function_has_computed_jump, current_function_calls_alloca,
14683 current_function_contains_functions, current_function_returns_pointer,
14684 current_function_epilogue_delay_list, current_function_args_size,
14685 current_function_pretend_args_size, current_function_arg_offset_rtx,
14686 current_function_outgoing_args_size, current_function_varargs,
14687 current_function_stdarg, current_function_args_info, cleanup_label,
14688 current_function_name, current_function_uses_const_pool,
14689 current_function_instrument_entry_exit, current_function_return_rtx,
14690 current_function_uses_pic_offset_table, nonlocal_labels,
14691 current_function_internal_arg_pointer, current_function_cannot_inline,
14692 current_function_check_memory_usage, function_call_count,
14693 nonlocal_goto_handler_slots, nonlocal_goto_handler_labels,
14694 nonlocal_goto_stack_level, return_label, save_expr_regs,
14695 stack_slot_list, rtl_expr_chain, tail_recursion_label, temp_slots,
14696 tail_recursion_reentry, arg_pointer_save_area, frame_offset,
14697 context_display, trampoline_list, parm_birth_insn, invalid_stack_slot,
14698 last_parm_insn, max_parm_reg, parm_reg_stack_loc, sequence_rtl_expr,
14699 temp_slot_level, var_temp_slot_level, target_temp_slot_level):
14701 (push_function_context_to): Don't save them. Don't call
14702 save_storage_status, save_emit_status or save_expr_status.
14703 (pop_function_context_from): Don't restore them. Don't call
14704 restore_storage_status or restore_expr_status.
14705 (get_func_frame_size): New function.
14706 (get_frame_size): Use it.
14707 (assign_outer_stack_local): Reflect some member name changes in struct
14709 (put_reg_into_stack): Likewise.
14710 (assign_stack_temp_for_type): sequence_rtl_expr was renamed to
14712 (fixup_var_refs): Likewise.
14713 (fix_lexical_addr): Likewise.
14714 (trampoline_address): Likewise.
14715 (prepare_function_start): Clear field inlinable of current_function.
14716 (init_function_for_compilation): New function.
14717 (expand_dummy_function_end): New function.
14718 (expand_function_end): Call finish_expr_for_function.
14719 * function.h (struct emit_status): New; fields moved here from struct
14720 function and from global variables. Add accessor macros for some of
14722 (struct expr_status): Likewise.
14723 (REGNO_POINTER_ALIGN, REGNO_POINTER_FLAG): Moved here from regs.h.
14724 (struct function): Add fields expr and emit, inlinable, inl_emit,
14725 original_arg_vector, original_decl_initial, inl_last_parm_insn,
14726 inl_max_label_num. Add many comments.
14727 Add accessor macros for all elts of struct function that no longer
14728 have a global variable.
14729 (cleanup_label, return_label, frame_offset, tail_recursion_label,
14730 tail_recursion_reentry, arg_pointer_save_area, rtl_expr_chain,
14731 stack_slot_list): Delete declarations.
14732 (get_func_frame_size): Declare.
14733 (save_expr_status, restore_expr_status, save_emit_status,
14734 save_storage_status, restore_storage_status): Delete declarations.
14735 (init_virtual_regs): Declare.
14736 * output.h (current_function_pops_args,
14737 current_function_returns_struct, current_function_returns_pcc_struct,
14738 current_function_needs_context, current_function_calls_setjmp,
14739 current_function_calls_longjmp, current_function_calls_alloca,
14740 current_function_has_nonlocal_label, current_function_varargs,
14741 current_function_has_computed_jump, current_function_returns_pointer,
14742 current_function_contains_functions, current_function_args_size,
14743 current_function_pretend_args_size, current_function_stdarg,
14744 current_function_outgoing_args_size, current_function_args_info,
14745 current_function_name, current_function_return_rtx,
14746 current_function_epilogue_delay_list,
14747 current_function_uses_const_pool, current_function_cannot_inline):
14748 Delete declarations.
14749 * regs.h (reg_rtx_no, regno_pointer_flag, regno_pointer_flag_length,
14750 regno_reg_rtx): Delete declaration.
14751 (REGNO_POINTER_FLAG): Delete macro.
14752 * stmt.c (expand_goto): Changes to reflect that some fields in struct
14753 function were renamed.
14754 * stor-layout.c (save_storage_status, restore_storage_status): Delete
14756 * toplev.c: Include "function.h".
14757 (current_function_decl): Delete declaration.
14758 (compile_file): Call init_dummy_function_start and
14759 expand_dummy_function_end around some initializations that need to
14761 (rest_of_compilation): Use DECL_SAVED_INSNS properly.
14762 Call init_function_for_compilation.
14763 * unroll.c: Include "function.h"
14764 (unroll_loop): Access regno_pointer_* variables through
14767 * tree.h (struct tree_decl): Add elt f to saved_insns member.
14768 (DECL_SAVED_INSNS): use it.
14769 (expand_dummy_function_end): Declare.
14770 (init_function_for_compilation): Declare.
14771 * calls.c (calls_function_1): Change use of DECL_SAVED_INSNS now
14772 that it's no longer an INLINE_HEADER.
14773 (expand_call): Likewise.
14774 * integrate.c (finish_inline): Delete function.
14775 (max_parm_reg, parm_reg_stack_loc): Delete declarations.
14776 (initialize_for_inline): Delete min_labelno, max_labelno and max_reg
14777 args. Don't generate an INLINE_HEADER rtx, just return the arg
14778 vector. All callers changed.
14779 (save_for_inline_copying): Create a duplicate struct emit_status to
14780 hold the emit state for compiling the current function. Use this and
14781 the other new fields in struct function that are for integration
14782 instead of an INLINE_HEADER.
14783 Use memcpy instead of bcopy.
14784 Store the current struct function in DECL_SAVED_INSNS of fndecl.
14785 (save_for_inline_nocopy): Similar changes, except no new emit_status
14787 (expand_inline_function): Get information from function structure,
14788 not from an inline header rtx.
14789 (output_inline_function): Lose code to extract the necessary
14790 information from an inline header; simply put back the function
14791 structure into current_function. Clear its inlinable elt.
14792 * rtl.def (INLINE_HEADER): Delete.
14793 * rtl.h: Delete all accessors for an INLINE_HEADER.
14794 (gen_inline_header_rtx): Delete declaration.
14795 (regno_reg_rtx, regno_pointer_align, nonlocal_goto_handler_labels):
14796 Delete declarations.
14797 (REGNO_POINTER_ALIGN): Delete.
14798 (clear_emit_caches): Declare.
14799 (set_new_last_label_num): Declare.
14801 Mon Aug 9 01:52:24 1999 Jason Merrill <jason@yorick.cygnus.com>
14803 * print-tree.c (print_node): Print base for OFFSET_TYPEs.
14805 * except.c (expand_eh_region_start_for_decl): Always start a new block.
14806 * stmt.c (is_eh_region): Make sure current_function is present, too.
14808 Mon Aug 9 01:15:24 1999 Jeffrey A Law (law@cygnus.com)
14810 * pa.h (HARD_REGNO_MODE_OK): Correctly handle FPregs, even when
14811 for 64bit PA targets.
14813 * pa.h (SELECT_SECTION): Define.
14814 * som.h (SELECT_SECTION): Delete.
14816 Sun Aug 8 15:13:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14818 * alias.c (init_alias_analysis): Wrap call to
14819 `prologue_epilogue_contains' within HAVE_prologue||HAVE_epilogue.
14821 1999-08-07 Bruce Korb <autogen@linuxbox.com>
14823 * fixinc/inclhack.def(irix_asm_apostrophe): IRIX 5.2's
14824 <sys/asm.h> contains an asm comment with an apostrophe
14825 * fixinc/inclhack.sh: regen
14826 * fixinc/fixincl.x: regen
14828 Sat Aug 7 19:37:07 1999 Richard Henderson <rth@cygnus.com>
14830 * function.c (init_function_start): Clear prologue & epilogue.
14831 (prologue_epilogue_contains): New function.
14832 * alias.c (init_alias_analysis): Use it.
14833 * rtl.h (prologue_epilogue_contains): Declare it.
14835 Sat Aug 7 19:32:16 1999 Richard Henderson <rth@cygnus.com>
14837 * jump.c (onlyjump_p): New function.
14838 * rtl.h: Declare it.
14839 * flow.c (delete_unreachable_blocks): Use onlyjump_p instead
14840 of condjump_p in calling tidy_fallthru_edge and merge_blocks.
14842 Sat Aug 7 17:09:36 1999 Richard Henderson <rth@cygnus.com>
14844 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_REG_SET
14845 to invert loops. Simplify block scanning.
14847 Sat Aug 7 02:11:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14849 * gcse.c (hash_scan_set): Treat SYMBOL_REFs like CONST_INTs.
14850 (cprop_insn): Treat SYMBOL_REFs like CONST_INTs.
14852 1999-08-07 Jonathan Larmour <jlarmour@cygnus.co.uk>
14854 * config/sparc/liteelf.h: New file to support sparclite-elf target
14855 * config/sparc/t-sp86x: New file to support sparc86x targets
14856 * config/sparc/sp86x-aout.h: New file to support sparc86x-aout target
14857 * config/sparc/sp86x-elf.h: New file to support sparc86x-elf target
14858 * configure.in: Support above target triplets
14859 * configure: Regenerated
14861 Sat Aug 7 01:39:27 1999 Philippe De Muyter <phdm@macqel.be>
14863 * fixinc/server.c (server_setup): Do not prefix function used as
14864 parameter with `&'.
14866 Sat Aug 7 00:21:20 1999 Richard Henderson <rth@cygnus.com>
14868 * alpha.md (movhi and movqi patterns): Correct predicate for !BWX.
14869 Remove fp reg alternatives.
14871 Sat Aug 7 00:06:54 1999 Jeffrey A Law (law@cygnus.com)
14873 * Makefile.in (TAROUTOPTS): Kill.
14874 (install-headers-tar): Use "xpf" for tar headerfile extraction
14875 * i370/x-oe (TAROUTOPTS): Delete.
14876 * m68k/x-apollo68 (TAROUTOPTS): Delete.
14877 * m68k/x-hp320 (TAROUTOPTS): Delete.
14878 * m68k/x-hp320g (TAROUTOPTS): Delete.
14879 * gcc.texi: Update bug reporting text.
14881 1999-08-6 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
14883 * reg-stack.c (change_stack) Fixed problem with negative array index.
14885 Fri Aug 6 23:08:44 1999 Jeffrey A Law (law@cygnus.com)
14887 * extend.texi, install.texi: Fix spelling mistakes.
14889 * Makefile.in (PREMADE_ATTRTAB_MD, PREMADE_ATTRTAB): Delete.
14890 (s-attrtab); No longer try to use pre-made insn-attrtab file.
14891 * mips/t-bsd: Delete references to obsolete PREMADE_ATTRTAB and
14892 PREMADE_ATTRTAB_MD.
14893 * mips/t-ecoff: Likewise.
14894 * mips/t-elf: Likewise.
14895 * mips/t-mips: Likewise.
14896 * mips/t-osfrose: Likewise.
14897 * mips/t-r3900: Likewise.
14898 * mips/t-svr3: Likewise.
14899 * mips/t-svr4: Likewise.
14900 * mips/t-ultrix: Likewise.
14902 * gcc.texi: Document recommend means to provide software floating
14903 point libraries in libgcc.a
14905 1999-08-06 Jason Merrill <jason@yorick.cygnus.com>
14907 * c-lex.c (yylex): We can have a number with no digits.
14909 Fri Aug 6 16:53:55 EDT 1999 John Wehle (john@feith.com)
14911 * jump.c (delete_prior_computation): New function, broken
14912 out of delete_computation. Check for side effects with
14913 side_effects_p instead of FIND_REG_INC_NOTE. Handle
14914 multi-word hard registers.
14915 (delete_computation): Use it. Check for side effects with
14916 side_effects_p instead of FIND_REG_INC_NOTE. Synthesize a
14917 missing REG_DEAD note for a register which is both set and
14920 Fri Aug 6 11:05:29 1999 Jeffrey A Law (law@cygnus.com)
14922 * elf.h (TEXT_SPACE_P, FUNCTION_NAME_P): Delete.
14923 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT): Likewise.
14924 (ASM_FILE_START): Import _mcount with the right type.
14925 (ASM_DECLARE_FUNCTION_NAME): Define.
14926 (ASM_OUTPUT_EXTERNAL, ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
14927 * pa.c (output_function_prologue): Always emit the function's label
14929 * pa.h (TEXT_SPACE_P): Define.
14930 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
14931 (ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT, ASM_GLOBALIZE_LABEL): Likewise.
14932 * som.h (TEXT_SPACE_P): Delete.
14933 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
14934 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT): Likewise.
14936 Thu Aug 5 19:29:39 1999 Jim Wilson <wilson@cygnus.com>
14938 * expr.c (emit_group_load): Allow src to be a CONCAT.
14940 Thu Aug 5 22:27:15 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14942 * config/sh/lib1funcs.asm (___movstrSI0): Change or r0,r0,r0 to nop.
14943 (___mulsi3): Use '!' comment character.
14945 Thu Aug 5 13:34:14 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14947 * reload1.c (maybe_fix_stack_asms): Also declare P as "const char *".
14949 Thu Aug 5 02:40:42 1999 Jeffrey A Law (law@cygnus.com)
14951 * gcc.c: Update URLs and mail addresses.
14952 * gcc.texi: Likewise.
14954 Thu Aug 5 01:14:13 1999 Daniel Jacobowitz <drow@false.org>
14956 * rs6000.c (current_file_function_operand): Return zero for
14958 (rs6000_encode_section_info): Do not set SYMBOL_REF_FLAG for
14960 * rs6000.h (ENCODE_SECTION_NIFO): Do not set SYMBOL_REF_FLAG
14963 Thu Aug 5 00:56:30 1999 Geoffrey Keating <geoffk@cygnus.com>
14965 * rs6000.c (rs6000_stack_info): For ABI_V4/ABI_SOLARIS -fpic, always
14966 allocate space in the stack frame for the PIC register.
14968 Thu Aug 5 00:20:47 1999 Jeffrey A Law (law@cygnus.com)
14970 * m68k.md (xordi3, anddi3): These patterns are not available on
14973 Wed Aug 4 23:39:20 1999 Mark Mitchell <mark@codesourcery.com>
14975 * real.c (GET_REAL): Don't violate ANSI/ISO aliasing rules.
14976 (PUT_REAL): Likewise.
14978 Wed Aug 4 20:45:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14980 * final.c (shorten_branches): Don't add an alignment for loops
14981 that have no label inside.
14983 Wed Aug 4 16:39:24 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14985 * builtins.c (expand_builtin_memcmp, expand_builtin_strcmp): Wrap
14986 prototypes in macro HAVE_cmpstrsi.
14988 * cpplib.c (cpp_get_token): Remove unused label `op3'.
14990 * emit-rtl.c (operand_subword): Remove unused variable
14993 * rtl.c (shallow_copy_rtx): Remove unused variable `format_ptr'.
14995 * tree.c (chainon): Wrap variable `t2' in macro ENABLE_CHECKING.
14997 Wed Aug 4 13:29:23 1999 Zack Weinberg <zack@bitmover.com>
14999 * cpphash.c (macroexpand): Delete leading whitespace when arg
15000 is concatenated before.
15001 (unsafe_chars): Correct test for whether + and - can extend a
15004 * cppinit.c (cpp_start_read): Do dependencies for
15005 -include/-imacros files also.
15007 * cpplib.c (cpp_scan_buffer): In no-output mode, don't bother
15008 tokenizing non-directive lines.
15009 (cpp_expand_to_buffer): Temporarily disable no-output mode.
15010 * cppmain.c: In no-output mode, just call cpp_scan_buffer for
15013 Wed Aug 4 12:53:44 1999 Jason Merrill <jason@yorick.cygnus.com>
15015 * expr.c (expand_expr, case PLUS_EXPR): Fix parallel case, too.
15017 * c-lex.c: Sync with C++ frontend.
15018 (linemode): New variable.
15019 (parse_float): imag, conversion_errno, and type are output only.
15020 (yylex): Adjust. Move initial '.' case into main switch.
15022 (handle_generic_pragma): Just deal with tokens.
15023 (readescape): Use ISXDIGIT and ISGRAPH.
15024 * c-parse.in: Add END_OF_LINE token.
15026 * c-lex.c (lang_init): Generalize.
15027 (nextchar): Remove. Replace uses with UNGETC.
15028 (skip_white_space): Handle linemode here. Optimize for cpplib.
15029 (skip_white_space_on_line): Remove.
15030 (extend_token_buffer_to): New fn.
15031 (extend_token_buffer): Use it.
15032 (read_line_number, check_newline): Just deal with tokens.
15033 (token_getch, token_put_back): New fns.
15034 (yylex): Use them. More cpplib optimizations. Simplify.
15036 Wed Aug 4 12:53:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
15037 Jason Merrill <jason@yorick.cygnus.com>
15039 * c-lex.c (init_parse): Set cpp_token to CPP_DIRECTIVE.
15040 (consume_string): Make this smart about USE_CPPLIB.
15041 (check_newline): Rewrite to be intelligent about USE_CPPLIB.
15042 (yylex): Rewrite to be intelligent about USE_CPPLIB.
15043 Also, clean up cases where we redundantly set token_buffer[0].
15044 (read_line_number): New fn.
15045 (ignore_escape_flag): New variable.
15047 Wed Aug 4 13:12:17 1999 Jeffrey A Law (law@cygnus.com)
15049 * a29k/t-a29kbare: Fix some comments.
15050 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
15051 (FPBIT, DPBIT): Define.
15052 * a29k/t-vx29k: Likewise.
15053 * arc/t-arc: Likewise.
15054 * arm/t-arm-elf: Likewise.
15055 * arm/t-bare: Likewise.
15056 * arm/t-pe: Likewise.
15057 * arm/t-pe-thumb: Likewise.
15058 * arm/t-semi: Likewise.
15059 * arm/t-thumb: Likewise.
15060 * arm/t-thumb-elf: Likewise.
15061 * arm/t-thumb-linux: Likewise.
15062 * h8300/t-h8300: Likewise.
15063 * i960/t-i960: Likewise.
15064 * i960/t-vxworks960: Likewise.
15065 * m32r/t-m32r: Likewise.
15066 * mips/t-ecoff: Likewise.
15067 * mips/t-elf: Likewise.
15068 * mips/t-r3900: Likewise.
15069 * pa/t-pro: Likewise.
15070 * rs6000/t-aix43: Likewise.
15071 * rs6000/t-beos: Likewise.
15072 * rs6000/t-newas: Likewise.
15073 * rs6000/t-ppccomm: Likewise.
15074 * rs6000/t-rs6000: Likewise.
15075 * rs6000/t-winnt: Likewise.
15076 * rs6000/t-xnewas: Likewise.
15077 * rs6000/t-xrs6000: Likewise.
15078 * sh/t-sh: Likewise.
15079 * sparc/t-elf: Likewise.
15080 * sparc/t-sparcbare: Likewise.
15081 * sparc/t-sparclite: Likewise.
15082 * sparc/t-splet: Likewise.
15083 * v850/t-v850: Likewise.
15084 * mn10200/t-mn10200: Fix comments.
15085 * mn10300/t-mn10300: Likewise.
15087 * pa.md (divsi3, udivsi3, modsi3, umodsi3 expanders): Clobber a new
15088 dummy operand. Allocate a new pseudo for the dummy operand.
15089 (divsi3, udivsi3, modis3, umodsi3 patterns): Corresponding changes.
15091 * pa.md (movqi, movhi patterns): Do not expose FP regs to regclass.
15093 Wed Aug 4 11:53:55 1999 Tom Tromey <tromey@cygnus.com>
15095 * configure: Rebuilt.
15096 * configure.in: Removed --enable-java-gc option and JAVAGC subst.
15098 Wed Aug 4 09:06:14 1999 Richard Earnshaw (rearnsha@arm.com)
15100 * recog.c (preproces_constraints): Zero recog_op_alt before
15101 processing the constraints.
15103 * arm.c (typedef minipool_node): Renamed from pool_node.
15104 (minipool_vector, minipool_size, minipool_vector_label): Similarly.
15105 (add_minipool_constant): New function.
15106 (dump_minipool): New function.
15107 (find_barrier): Remove special case for getting the insn size of
15108 an insn that references the constant pool.
15109 (minipool_fixup): New structure.
15110 (push_minipool_barrier): New function.
15111 (push_minipool_fix): New function.
15112 (note_invalid_constants): New function.
15113 (add_pool_constant, dump_table, fixit, broken_move): Delete.
15114 (arm_reorg): Rewrite code to fix up the constant pool into a
15115 series of mini-pools embedded in the insn stream.
15116 (arm_output_epilogue): New function, made mainly from the body
15117 of output_func_epilogue.
15118 (output_func_epilogue): Move insn generation part of epilogue code
15119 to arm_output_epilogue.
15120 * arm.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Delete.
15121 * arm.md (pool_range): New attribute.
15122 (zero_extendqidi2): Add attribute pool_range.
15123 (zero_extend_hisi_insn, load_extendqisi, extendhisi_insn,
15124 extendqihi_insn, extendqisi_insn, movdi, movsi_insn, pic_load_addr,
15125 pic_load_addr_based_insn, movhi_insn_arch4, movhi_insn_littleend,
15126 movhi_insn_bigend, loadhi_si_bigend, movsf_hard_insn, movsf_soft_insn,
15127 movdf_hard_insn, movdf_soft_insn, movxf_hard_insn): Likewise.
15128 (epilogue): New expand.
15129 (epilogue_insn): New insn. Call arm_output_epilogue.
15131 * arm.c (arm_poke_function_name): Undo change of July 17. Tidy up.
15132 * arm.h (TARGET_SWITCHES): Add missing doc string for TARGET_DEFAULT.
15134 Mon Aug 2 19:18:44 1999 Jason Merrill <jason@yorick.cygnus.com>
15136 * linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
15138 1999-08-04 Mark Elbrecht <snowball3@bigfoot.com>
15140 * config/i386/djgpp.h (BSS_SECTION_ASM_OP): Define.
15142 Wed Aug 4 02:15:32 1999 Richard Henderson <rth@cygnus.com>
15144 * jump.c (delete_insn): Delete the addr_vec when deleting a tablejump.
15146 Wed Aug 4 01:48:08 1999 Jim Kingdon <http://developer.redhat.com>
15148 * global.c: Fix comment.
15150 Wed Aug 4 01:43:01 1999 Ian Lance Taylor <ian@zembu.com>
15152 * gcc.c (access_check): New static function.
15153 (find_a_file): Use it when searching a directory list.
15154 * collect2.c (find_a_file): Don't accept directories found when
15155 searching a directory list.
15157 Wed Aug 4 01:40:43 1999 Philippe De Muyter <phdm@macqel.be>
15159 * tlink.c (symbol_hash_lookup): Do not prefix functions used as
15160 function parameters with `&'.
15161 (file_hash_lookup, demangled_hash_lookup, tlink_init): Ditto.
15163 Wed Aug 4 01:08:44 1999 Jeffrey A Law (law@cygnus.com)
15165 * flow.c (delete_unreachable_blocks): Do not call merge_blocks
15166 or tidy_fallthru_edge if the last insn in the block is not
15167 an unconditional jump or a simple conditional jump.
15169 Tue Aug 3 20:21:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15171 * Makefile.in (c-decl.o): Depends on defaults.h.
15173 Tue Aug 3 14:14:52 1999 Jeffrey A Law (law@cygnus.com)
15175 * pa.h (HARD_REGNO_NREGS): FP registers are always 4 bytes wide for
15177 (CLASS_MAX_NREGS): Likewise.
15179 Tue Aug 3 03:51:20 1999 Jeffrey A Law (law@cygnus.com)
15181 * cse.c (cse_insn): Fix dumb thinko in last change.
15183 Tue Aug 3 10:36:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15185 * reload1.c (maybe_fix_stack_asms): Declare CONSTRAINTS as
15188 Mon Aug 2 23:45:45 1999 Hans-Peter Nilsson <hp@bitrange.com>
15190 * dwarf2out.c (add_location_or_const_value_attribute): Correct
15191 test for sizes of passed and declared parameter types.
15193 Tue Aug 3 00:03:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15195 * fixincludes: Fix the return type of bsearch, char* -> void*.
15197 * fixinc/inclhack.def: Likewise.
15199 Mon Aug 2 18:29:32 1999 Mark Mitchell <mark@codesourcery.com>
15201 * invoke.texi (-fdump-translation-unit): New option.
15203 Mon Aug 2 17:54:19 1999 Richard Henderson <rth@cygnus.com>
15205 * expr.h (PROMOTE_PROTOTYPES): Move ...
15206 * defaults.h: ... to here.
15207 * c-decl.c: Include defaults.h instead of expr.h.
15208 * c-typeck.c: Include defaults.h.
15210 Mon Aug 2 17:10:24 1999 Mark Mitchell <mark@codesourcery.com>
15212 * toplev.h (errorcount): Declare.
15213 (warningcount): Likewise.
15214 (sorrycount): Likewise.
15215 * c-lex.c (errorcount): Don't declare.
15216 * dwarf2out.c (errorcount): Don't declare.
15218 Mon Aug 2 17:02:08 1999 Jason Merrill <jason@yorick.cygnus.com>
15220 * config/libgloss.h: Add a note discouraging use with ELF.
15221 * configure.in: Don't use libgloss.h for ELF targets.
15222 Always use_collect2 on a.out targets.
15224 Mon Aug 2 16:27:42 1999 Jim Wilson <wilson@cygnus.com>
15226 * combine.c (force_to_mode, case LSHIFTRT): Add goto shiftrt.
15227 (force_to_mode, case ASHIFTRT): Add shiftrt label.
15229 Tue Aug 3 00:45:02 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15231 * loop.c (strength_reduce): When doing biv->giv conversion, update
15232 reg note of NEXT->insn.
15234 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
15236 * real.c (PUT_REAL): Clear unused bytes if long double is IEEE quad.
15238 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
15240 * c-decl.c (get_parm_info, store_parm_decls): Change all uses of
15241 PROMOTE_PROTOTYPES, so that it tests it as a C expression.
15242 Ensure expr.h is included.
15243 * c-typecheck.c (convert_arguments): Ditto.
15245 * expr.h: Supply default for PROMOTE_PROTOTYPES (0).
15247 * config/arc/arc.h: Define PROMOTE_PROTOTYPES to 1.
15248 * config/convex/convex.h: Ditto.
15249 * config/dsp16xx/dsp16xx.h: Ditto.
15250 * config/fx80/fx80.h: Ditto.
15251 * config/gmicro/gmicro.h: Ditto.
15252 * config/i370/i370.h: Ditto.
15253 * config/i386/i386.h: Ditto.
15254 * config/m32r/m32r.h: Ditto.
15255 * config/m68k/m68k.h: Ditto.
15256 * config/m88k/m88k.h: Ditto.
15257 * config/mips/mips.h: Ditto.
15258 * config/pa/pa.h: Ditto.
15259 * config/pyr/pyr.h: Ditto.
15260 * config/tahoe/tahoe.h: Ditto.
15261 * config/we32k/we32k.h: Ditto.
15263 * config/sparc/sparc.h: Define PROMOTE_PROTOTYPES
15264 based on arch size.
15266 * config/i1750a/i1750a.h: Define PROMOTE_PROTOTYPES to 0.
15268 * config/i860/paragon.h: Remove PROMOTE_PROTOTYPES
15271 * tm.texi: Document new usage of PROMOTE_PROTOTYPES.
15273 1999-08-02 Richard Henderson <rth@cygnus.com>
15275 * m32r.c (m32r_setup_incoming_varargs): Use get_varargs_alias_set
15276 for the register spill block.
15277 (m32r_va_arg): New.
15278 * m32r.h (EXPAND_BUILTIN_VA_ARG): New.
15279 (EXPAND_BUILTIN_SAVEREGS): Delete #if 0 code.
15281 * m32r.h (INT8_P): Don't short-cut test with (unsigned).
15282 (INT16_P, CMP_INT16_P, UINT16_P): Likewise.
15283 (UPPER16_P, UINT24_P, INT32_P, UINT5_P): Likewise.
15285 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
15287 * config/sparc/linux.h: Define WCHAR_TYPE as "int" and undef
15288 MAX_WCHAR_TYPE defined in sparc.h.
15289 * config/sparc/linuxaout.h: Likewise.
15290 * config/sparc/linux64.h: Likewise.
15291 Also default to -mvis if CPU is UltraSPARC.
15293 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
15295 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): New macro.
15296 (RTX_OK_FOR_OLO10): Likewise.
15297 (GO_IF_LEGITIMATE_ADDRESS): If assembler supports offsetable
15298 %lo(), allow it in addresses...
15299 (PRINT_OPERAND_ADDRESS): ... and print it appropriately.
15300 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): sethi %lo()
15301 does not make sense.
15302 * config/sparc/sparc.c (sparc_hard_reg_printed): New array.
15303 (sparc_output_scratch_registers): New function.
15304 (output_function_prologue, sparc_flat_output_function_prologue): Use
15306 * varasm.c (make_decl_rtl): Use ASM_DECLARE_REGISTER_GLOBAL if
15308 * tm.texi (ASM_DECLARE_REGISTER_GLOBAL): Document it.
15309 * configure.in: Add check for .register pseudo-op support in as and
15310 check for offsetable %lo().
15311 * acconfig.h: Add templates for the above checks.
15312 * configure: Regenerate.
15314 1999-08-02 Richard Henderson <rth@cygnus.com>
15316 * sparc/linux64.h (TARGET_DEFAULT): Remove MASK_APP_REGS.
15317 * sparc/sol2-sld-64.h (TARGET_DEFAULT): Likewise.
15318 * sparc/sol2.h (TARGET_DEFAULT): Likewise.
15320 Mon Aug 2 23:46:45 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15322 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
15325 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
15327 * config/float-sparc.h: New file.
15328 * configure.in: Use float_format=sparc for sparc-*-linux-gnulibc1,
15329 sparc-*-linux-gnu and sparc64-*-linux*.
15331 1999-08-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
15333 * rs6000.c (rs6000_va_list): Type is an array.
15334 (rs6000_va_start): Don't doubly adjust for varargs.
15335 (rs6000_va_arg): Evaluate long long GPR adjustment.
15337 Mon Aug 2 16:15:57 1999 David Edelsohn <edelsohn@gnu.org>
15339 * rs6000/aix43.h (SUBTARGET_SWITCHES): Use -m64 and -m32 instead of
15340 -maix64 and -maix32.
15341 (ASM_SPEC, ASM_CPU_SPEC, CPP_SPEC, CPP_CPU_SPEC, LIB_SPEC,
15342 LINK_SPEC): Change appropriately.
15343 * rs6000/rs6000.c (short_cint_operand): Use CONST_OK_FOR_LETTER_P.
15344 (u_short_cint_operand): Likewise.
15345 * rs6000/rs6000.md (movdi splitters): Add TARGET_POWERPC64 support
15347 * rs6000/t-aix43 (MULTILIB): Change to -m64.
15349 * invoke.texi (RS/6000 Submodel): Document 64-bit processor options.
15351 Mon Aug 2 16:15:57 1999 Geoff Keating <geoffk@cygnus.com>
15353 * rs6000/rs6000.c (num_insns_constant_wide): Correct
15354 for type promotion.
15355 (add_operand): Get test correct for 64-bit HOST_WIDE_INT.
15356 (non_add_cint_operand): Likewise.
15357 (logical_operand): Likewise.
15358 (non_logical_cint_operand): Likewise.
15359 (print_operand): Correct printf()s for 64-bit HOST_WIDE_INT.
15360 (print_operand_address): Correct printf() for 64-bit HOST_WIDE_INT.
15361 (rs6000_select_rtx_section): Suppress warning.
15362 (small_data_operand): Suppress warning.
15363 (rs6000_got_register): Suppress warning.
15364 * rs6000/rs6000.md (andsi3): HOST_WIDE_INT is a signed
15365 type, so `J' is generally the wrong constraint for a SImode value;
15367 (andsi3_internal2): Likewise.
15368 (andsi3_internal3): Likewise.
15369 (iorsi3_internal1): Likewise.
15370 (xorsi3_internal1): Likewise.
15372 (movsf_softfloat): Likewise.
15373 (scc insns): Likewise.
15374 (movsi+2): Preserve sign bits of SImode constant.
15375 (floatsidf2_internal+1): Sign-extend SImode constant correctly.
15376 (movdf+1): Sign-extend properly.
15377 (movdi_32+1): Sign-extend properly.
15378 (scc insns): Sign-extend properly.
15380 * md.texi (RS/6000 EXTRA_CONSTRAINTS): Update documentation for J,
15383 1999-08-02 Richard Henderson <rth@cygnus.com>
15385 * alpha.c (override_options): Move ev6 alpha_tp frobbing out of
15386 -mcpu parsing code.
15387 (print_operand): Notice alpha_fptm not alpha_tp for sw completion.
15388 * alpha.md (all fp insns): Likewise.
15390 1999-08-02 Nick Clifton <nickc@cygnus.com>
15392 * config/v850/v850.h (STRICT_ALIGNMENT): Only define if not
15395 Mon Aug 2 03:38:33 1999 Jeffrey A Law (law@cygnus.com)
15397 * pa.c (legitimize_pic_address): Clarify comments. Do not call the
15398 pic_load_label generator directly.
15399 * pa.md (pic_load_label): Clarify comments. Remove modes on operands.
15400 No longer a named pattern.
15402 Mon Aug 2 09:38:10 1999 Nick Clifton <nickc@cygnus.com>
15404 * explow.c (force_reg): Call force_operand if X does not
15405 satisfy general_operand.
15407 Mon Aug 2 01:34:22 1999 Jeffrey A Law (law@cygnus.com)
15409 * fix-header.c (main): When testing for CONTINUED, use string
15410 equality, not pointer equality.
15412 Mon Aug 2 01:27:24 1999 Dan Nicolaescu <dann@ics.uci.edu>
15414 * sparc.c (sparc_block_profiler): Use the %g2 register, not %o0.
15416 Sun Aug 1 22:46:42 1999 Jeffrey A Law (law@cygnus.com)
15418 * cse.c (cse_insn): Fix loop which deletes insns after a jump
15419 that has become an unconditional jump.
15421 * m68k.c (output_function_prologue): Fix typo in CPU32 case.
15422 (output_function_epilogue): Similarly.
15424 Sun Aug 1 20:14:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15426 * tree.h (init_dummy_function_start): Declare.
15428 Sun Aug 1 12:55:31 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15430 * stmt.c (emit_filename, emit_lineno, expr_stmts_for_value,
15431 last_expr_type, last_expr_value, block_start_count, block_stack,
15432 stack_block_stack, cond_stack, loop_stack, case_stack, nesting_stack,
15433 nesting_depth, goto_fixup_chain): Delete global vars; now allocated
15434 dynamically in stmt elt of struct function for each function.
15435 (struct nesting): Rename function_call_count elt to n_function_calls,
15436 target_temp_slot_level to block_target_temp_slot_level. All users
15438 (struct stmt_status): New structure definition.
15439 Add many accessor macros for stmt_status elements which previously
15440 were global variables.
15441 (init_stmt_for_function): Allocate stmt elt for current_function.
15442 Reflect that block_start_count was renamed to
15443 current_block_start_count.
15444 (save_stmt_status, restore_stmt_status): Delete functions.
15445 (preserve_subexpressions_p): Don't access loop_stack when outside
15447 (expand_start_bindings): Reflect that block_start_count was renamed to
15448 current_block_start_count.
15449 (expand_fixup): Likewise.
15450 (expand_decl): Don't access block_stack when outside a function.
15451 (expand_decl_cleanup): Likewise.
15452 (expand_dcc_cleanup): Likewise.
15453 (expand_dhc_cleanup): Likewise.
15454 (expand_anon_union_decl): Likewise.
15455 (set_file_and_line_for_stmt): New function.
15456 (in_control_zone_p): New function.
15458 * function.h (struct function): Add new elt stmt.
15459 Delete elts block_stack, stack_block_stack, cond_stack, loop_stack,
15460 case_stack, nesting_stack, nesting_depth, block_start_count,
15461 last_expr_type, last_expr_value, expr_stmts_for_value, emit_filename,
15462 emit_lineno, goto_fixup_chain.
15463 (save_eh_status, restore_eh_status, save_stmt_status,
15464 restore_stmt_status): Delete declarations.
15465 * function.c (push_function_context_to): Don't call save_stmt_status.
15466 (pop_function_context_to): Don't call restore_stmt_status.
15467 * tree.h (in_control_zone_p): Declare.
15468 * rtl.h (set_file_and_line_for_stmt): Declare.
15470 * emit-rtl.c (emit_line_note): Don't set emit_filename/emit_lineno;
15471 call set_file_and_line_for_stmt.
15473 Thu Jul 31 12:34:45 1999 Joe Buck <jbuck@synopsys.com>
15475 * gcc.texi: Use terms "GNU Compiler Collection" and "GCC".
15476 Also update copyright.
15478 Sat Jul 31 11:10:07 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15480 * c-pragma.c: Don't include "except.h".
15481 * emit-rtl.c: Likewise.
15482 * stor-layout.c: Likewise.
15483 * tree.c: Likewise.
15484 * varasm.c: Likewise.
15486 * flow.c: Include "function.h".
15487 * tree.h (init_dummy_function_start): Declare new function.
15489 * except.h (struct eh_status): New structure.
15490 (struct label_node, struct eh_entry): Declare even if tree.h hasn't
15492 (eh_return_stub_label, ehstack, catchstack, ehqueue,
15493 catch_clauses, false_label_stack, caught_return_label_stack,
15494 protect_list, current_function_ehc): Add accessor macros for the
15495 corresponding fields in current_function->eh; delete declarations
15496 for all items that used to be declared here.
15497 * except.c (eh_return_stub_label, ehstack, catchstack, ehqueue,
15498 catch_clauses, false_label_stack, caught_return_label_stack,
15499 protect_list, current_function_ehc): Delete variables.
15500 (init_eh_for_function): Allocate current_function->eh.
15501 (save_eh_status, restore_eh_status): Delete functions.
15503 * function.h (struct function): Add fields next_global and eh.
15504 Delete all exception handling related fields.
15505 * function.c (current_function): New variable.
15506 (all_functions): New variable.
15507 (push_function_context_to): Don't allocate a struct function,
15508 use current_function instead. Call init_dummy_function_start when
15509 outside a function. Clear current_function before returning.
15510 (pop_function_context_from): Restore current_function.
15511 Don't free the restored struct function.
15512 (prepare_function_start): New function.
15513 (init_dummy_function_start): New function.
15514 (init_function_start): Break out some code into prepare_function_start
15517 * stmt.c (save_stmt_status): Don't call save_eh_status.
15518 (restore_stmt_status): Don't call restore_eh_status.
15520 * Makefile.in: Update dependencies.
15522 Sat Jul 31 04:10:01 1999 Jeffrey A Law (law@cygnus.com)
15524 * pa.c (compute_frame_size): Use STARTINg_FRAME_OFFSET instead
15525 of depending on a magic constant value. Update comments.
15526 (hppa_expand_prologue): Similarly.
15528 * pa.md (reload_indi, reload_outdi): Allow any register for the
15529 original reload register.
15531 Fri Jul 30 19:41:35 1999 Jim Wilson <wilson@cygnus.com>
15533 * cccp.c (print_help): Change marcos to macros.
15535 1999-07-30 Richard Henderson <rth@cygnus.com>
15537 * c-typeck.c (initializer_constant_valid_p): Move ...
15538 * c-common.c (initializer_constant_valid_p): ... here. Use
15539 FOO_TYPE_P instead of tests against TREE_CODE. Allow subtraction
15540 of label addresses.
15541 * c-common.h (initializer_constant_valid_p): Declare.
15542 * c-tree.h (initializer_constant_valid_p): Remove.
15544 Fri Jul 30 16:33:42 1999 Mathias Froehlich <frohlich@na.uni-tuebingen.de>
15546 * config/i386/sol2-c1.asm: Align the stack.
15547 * config/i386/sol2-gc1.asm: Likewise.
15549 1999-07-30 Vladimir Makarov <vmakarov@loony.cygnus.com>
15551 * config/sparc/sparc.h (ASM_CPU32_DEFAULT_SPEC): Change -Av8 onto
15552 -Asparclite for sparc86x.
15553 (CPP_CPU32_DEFAULT_SPEC, CPP_CPU_SPEC): Remove -D__sparc_v8__ for
15555 (ASM_CPU_SPEC): Use -Asparclite for sparc86x.
15557 Fri Jul 30 14:53:56 1999 Jakub Jelinek <jj@ultra.linux.cz>
15559 * config/sparc/linux64.h (CC1_SPEC): Preserve CPU specified by
15560 the user if using the non-default arch size in BI_ARCH configuration.
15561 * config/sparc/sol2-sld-64.h (CC1_SPEC): Ditto.
15563 * config/sparc/sparc.md (cmp_mul_set, cmp_udiv_cc_set):
15564 Fix patterns so that they actually match.
15565 (cmp_sdiv_cc_set): Ditto, also don't require g0 to be zero.
15566 (mulsidi3_sp64, const_mulsidi3_sp64): New patterns.
15567 (const_mulsidi3_sp32): Renamed from const_mulsidi3, only on
15569 (mulsidi3): Reflect this in the expand.
15570 (smulsi3_highpart): Only on TARGET_ARCH32.
15571 (umulsidi3_sp64, const_umulsidi3_sp64): New patterns.
15572 (const_umulsidi3_sp32): Renamed from const_umulsidi3.
15573 (umulsidi3): Reflect this in the expand.
15574 (umulsi3_highpart): Only on TARGET_ARCH32.
15575 (divsi3_sp32): Renamed from divsi3, only on TARGET_ARCH32,
15576 don't require g0 to be zero.
15577 (udivsi3_sp32): Renamed from udivsi3, only on TARGET_ARCH32.
15578 ({,u}divsi3): New expands.
15579 ({,u}divsi3_sp64): New patterns.
15580 (after lshrdi3_v8plus): Four new patterns to help combiner
15581 optimizing nested mixed mode shifts.
15583 * config/sparc/sparc.c (sparc_override_options): Use deprecated
15584 v8 instructions if optimizing for UltraSPARC I, II, IIi, as it
15585 speed things up. Don't use them by default on plain v9 in 64bit
15586 mode, according to what SPAMv9 sais.
15588 * config/sparc/sparc.h: Fix comments, e.g. Linux already preserves
15589 top 32 bits of %[og][0-7] in signal handlers.
15590 Also, TARGET_HARD_MUL32 now is only true for TARGET_ARCH32.
15592 Fri Jul 30 03:00:41 1999 Jeffrey A Law (law@cygnus.com)
15594 * pa.md (zvdep_imm32): Renamed from zvdep_imm.
15595 (ashlsi3): Corresponding changes.
15597 * pa.c (compute_zdepwi_operands): Renamed from compute_zdepi_operands.
15599 Thu Jul 29 18:37:13 1999 Jeffrey A Law (law@cygnus.com)
15601 * pa.h (FIRST_PARM_CALLER_OFFSET): Delete.
15603 Thu Jul 29 19:01:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15605 * arm.h (Hint): Delete macro.
15606 Substitute HOST_WIDE_INT for Hint in some prototypes.
15607 * arm.c: Substitute HOST_WIDE_INT for Hint in one prototype.
15609 Thu Jul 29 09:21:42 1999 Nick Clifton <nickc@cygnus.com>
15611 * builtins.c (expand_builtin_setjmp): Use force_operand to
15612 make sure that the buffer address is in a suitable form to be
15613 passed to force_reg.
15615 Wed Jul 28 12:50:48 1999 Geoff Keating <geoffk@cygnus.com>
15617 * config/mips/mips.c: system.h handles MIN and MAX, don't undefine
15620 Wed Jul 28 13:18:35 1999 Jeffrey A Law (law@cygnus.com)
15622 * pa.md (indirect_jump): Remove mode from match_operand. Verify
15623 proper mode in the condition string.
15624 (icacheflush, dcacheflush): Remove modes from match_operands.
15626 * pa.c (emit_move_sequence): Always convert scratch_reg to the
15627 proper mode before using it.
15629 * pa.md (adddi3, subdi3): Turn into a define_expand/define_insn
15632 * pa.c (store_reg): Do not call add_high_const generator directly.
15633 (load_reg, set_reg_plus_d): Likewise.
15634 * pa.md (add_high_const): No longer a named pattern.
15636 * pa.c (legitimize_address): Consistently use Pmode rather than
15637 SImode. Do not call gen_pic2_highpart directly anymore.
15638 * pa.md (pic2_highpart): No longer a named pattern.
15639 (pic2_lo_sum): Similarly. Reformat to make more readable.
15641 * pa.md (call, call_value): Use "word_mode" instead of "SImode" as
15646 Wed Jul 28 11:28:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
15648 * builtins.c (expand_builtin): Typo in call to expand_builtin_ffs.
15650 Wed Jul 28 11:23:48 1999 Richard Henderson <rth@cygnus.com>
15652 * pa.c (hppa_builtin_saveregs): Use get_varargs_alias_set
15653 and tag the spill mems.
15654 (hppa_va_start): New.
15655 (hppa_va_arg): New.
15656 * pa.h (EXPAND_BUILTIN_VA_START): New.
15657 (EXPAND_BUILTIN_VA_ARG): New.
15659 Wed Jul 28 11:22:21 1999 Richard Henderson <rth@cygnus.com>
15661 * mn10300.c (mn10300_builtin_saveregs): Use get_varargs_alias_set
15662 and tag the spill mems.
15663 (mn10300_va_start): New.
15664 (mn10300_va_arg): New.
15665 * mn10300.h (EXPAND_BUILTIN_VA_START): New.
15666 (EXPAND_BUILTIN_VA_ARG): New.
15668 Wed Jul 28 11:20:19 1999 Richard Henderson <rth@cygnus.com>
15670 * mn10200.c (mn10200_va_arg): New.
15671 * mn10200.h (EXPAND_BUILTIN_VA_ARG): New.
15673 Wed Jul 28 11:19:06 1999 Richard Henderson <rth@cygnus.com>
15675 * builtins.c (std_expand_builtin_va_arg): Use int_size_in_bytes
15676 rather than play with TREE_INT_CST_LOW.
15678 1999-07-27 Philip Blundell <pb@nexus.co.uk>
15680 * config/arm/telf.h: Include dbxelf.h.
15681 (CPP_PREDEFINES): Only define if not already defined.
15682 (ASM_IDENTIFY_GCC): Likewise.
15683 (SUBTARGET_EXTRA_SECTIONS): Likewise.
15684 (SUBTARGET_EXTRA_SECTION_FUNCTIONS): Likewise.
15685 * config/arm/thumb.h (LINK_SPEC): Only define if not already
15687 (DBX_DEBUGGING_INFO): Don't define.
15688 * config/arm/linux-telf.h: New file.
15689 * config/arm/linux-tgas.h: New file.
15690 * config/arm/t-thumb-linux: New file.
15691 * config/arm/uclinux-elf.h: New file.
15692 * config/arm/uclinux-telf.h: New file.
15693 * configure.in (arm-*-uclinux, thumb-*-linux-gnu,
15694 thumb-*-uclinux): New targets.
15695 * configure: Regenerate.
15697 Tue Jul 27 23:20:21 1999 Jeffrey A Law (law@cygnus.com)
15699 * pa.md (post_store, pre_load): New expanders.
15700 (post_stwm, pre_ldwm): Renamed to post_stw and pre_ldw respectively.
15701 (post_ldwm, pre_stwm): Make these unnamed patterns since we never
15702 need to directly generate RTL for them.
15703 * pa.c (hppa_expand_prologue, hppa_expand_epilogue): Corresponding
15706 Tue Jul 27 16:05:52 1999 David Edelsohn <edelsohn@gnu.org>
15708 * aix43.h (ASM_CPU_SPEC, CPP_CPU_SPEC): Add rs64a and PPC630.
15709 * rs6000.c (processor_target_table): Add powerpc64, rs64a, and PPC630.
15710 (rs6000_cpu): Choose between 32-bit and 64-bit default processors.
15711 (secndary_reload_class): Make TARGET_ELF conditional compile.
15712 (print_operand_address): Similar.
15713 (output_toc): Print all values as hex.
15714 (get_issue_rate): Rearrange and add RS64A and PPC630.
15715 * rs6000.h (processor_type): Add RS64A and PPC630.
15716 (PROCESSOR_POWERPC64): New.
15717 (PROMOTE_MODE): Use word_mode.
15718 (RTX_COSTS): Add RS64A and PPC630.
15719 * rs6000.md (scheduling information): Add lmul and ldiv
15720 representing 64-bit integer multiply and divide. Add rs64a and
15721 PPC630 information.
15722 (ashldi3): Add support for "rldic" instruction.
15723 * sysv4.h (PROCESSOR_DEFAULT): Change to PROCESSOR_750.
15725 Tue Jul 27 15:31:53 1999 Vladimir Makarov <vmakarov@toad.to.cygnus.com>
15727 * config/sparc/sparc.c (sparc_override_options): Enable SPARCLITE
15728 instead of V8 for sparclite86x in cpu_table.
15730 Tue Jul 27 17:49:42 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15732 * config/arm/coff.h (ASM_FILE_START): If generating SDB output, call
15733 output_file_directive.
15735 Tue Jul 27 03:15:33 1999 Jason Merrill <jason@yorick.cygnus.com>
15737 * expr.c (expand_expr, case PLUS_EXPR): Get the mode from the
15738 tree for op1, not the rtl.
15740 Tue Jul 27 00:18:34 1999 Richard Henderson <rth@cygnus.com>
15742 * m88k.c (m88k_builtin_saveregs): Break out the constructor code
15743 to m88k_va_start, leaving only the register spill.
15744 (m88k_build_va_list): New.
15745 (m88k_va_start): New.
15746 (m88k_va_arg): New.
15747 * m88k.h (BUILD_VA_LIST_TYPE): New.
15748 (EXPAND_BUILTIN_VA_START): New.
15749 (EXPAND_BUILTIN_VA_ARG): New.
15751 Mon Jul 26 19:07:11 1999 Geoff Keating <geoffk@cygnus.com>
15753 * config/rs6000/rs6000.c (rs6000_expand_builtin_saveregs):
15754 Rename from expand_builtin_saveregs.
15755 * config/rs6000/rs6000.h (EXPAND_BUILTIN_SAVEREGS): Change caller.
15757 Mon Jul 26 22:52:47 1999 Richard Henderson <rth@cygnus.com>
15759 * i960.c (i960_setup_incoming_varargs): Use get_varargs_alias_set
15760 for the register spill block.
15761 (i960_build_va_list): New.
15762 (i960_va_start): New.
15763 (i960_va_arg): New.
15764 * i960.h (BUILD_VA_LIST_TYPE): New.
15765 (EXPAND_BUILTIN_VA_START): New.
15766 (EXPAND_BUILTIN_VA_ARG): New.
15767 * i960.md (store_multiple): Use change_address on individul mems.
15769 Mon Jul 26 22:43:12 1999 Richard Henderson <rth@cygnus.com>
15771 * builtins.c (stabilize_va_list): Don't INDIRECT_REF through
15773 (std_expand_builtin_va_start): Back out one word if !stdarg_p.
15774 (expand_builtin_va_end): Evaluate arg for side effects.
15775 * c-common.c (c_common_nodes_and_builtins): Construct a
15776 va_list_arg_type_node to handle array decomposition to pointer.
15778 Mon Jul 26 18:51:34 1999 Richard Henderson <rth@cygnus.com>
15780 * except.c (start_dynamic_cleanup): Use force_operand on the
15783 Mon Jul 26 16:43:26 1999 Richard Henderson <rth@cygnus.com>
15785 * c4x.h (EXPAND_BUILTIN_VA_ARG): New.
15786 * c4x.c (c4x_va_arg): New.
15788 Mon Jul 26 12:30:09 1999 Jason Merrill <jason@yorick.cygnus.com>
15790 * cpplib.c (cpp_get_token): Don't return a CPP_POP if the buffer
15791 has manual_pop set.
15793 1999-07-26 Nathan Sidwell <nathan@acm.org>
15795 * eh-common.h (__eh_matcher): Prototype correctly.
15797 Mon Jul 26 17:24:51 1999 Philip Blundell <pb@nexus.co.uk>
15799 * config/arm/thumb.h (THUMB_FLAG_SINGLE_PIC_BASE): Define.
15800 (TARGET_SINGLE_PIC_BASE): Likewise.
15801 (GOT_PCREL, NEED_GOT_RELOC, NEED_PLT_RELOC): Provide default
15803 (TARGET_CALLEE_INTERWORKING): Fix typo in comment.
15804 (TARGET_SWITCHES): Add -m{no-}single-pic-base.
15805 (TARGET_OPTIONS): Add -mpic-register=N.
15806 (OUTPUT_INT_ADDR_CONST): New macro.
15807 (INDEX_REGISTER_RTX_P, PIC_OFFSET_TABLE_REGNUM, FINALIZE_PIC,
15808 LEGITIMATE_PIC_OPERAND_P): Likewise.
15809 (LEGITIMIZE_ADDRESS, GOT_IF_LEGITIMATE_ADDRESS): Support PIC.
15810 (ASM_OUTPUT_INT): Use OUTPUT_INT_ADDR_CONST rather than calling
15811 output_addr_const directly.
15812 (PRINT_OPERAND_PUNCT_VALID_P): Accept `|' for compatibility with
15814 (thumb_pic_register, thumb_pic_register_string): Declare.
15816 * config/arm/thumb.c (symbol_mentioned_p): New function: Imported
15818 (label_mentioned_p): New function: Imported from arm.c.
15819 (legitimize_pic_address): New function: Imported from arm.c.
15820 (is_pic):New function: Imported from arm.c.
15821 (thumb_finalize_pic):New function: Imported from arm.c.
15822 (add_constant): Cope with PIC constants.
15823 (fixit): Cope with PIC constants.
15824 (output_return): Do not treat the PIC register as live if
15825 TARGET_SINGLE_PIC_BASE is true.
15826 (thumb_function_prologue): Do not treat the PIC register as live if
15827 TARGET_SINGLE_PIC_BASE is true.
15828 (thumb_expand_prologue): Do not treat the PIC register as live if
15829 TARGET_SINGLE_PIC_BASE is true.
15830 (thumb_unexpand_epilogue): Do not treat the PIC register as live if
15831 TARGET_SINGLE_PIC_BASE is true.
15832 (thumb_print_operand): Accept '|'.
15833 (thumb_override_options): Process PIC options.
15835 * config/arm/thumb.md (movsi): Support PIC.
15836 (call_insn): Change "i" constraint to "X".
15837 (call_value_insn): Likewise.
15838 (consttable_4, consttable_8, consttable_end): Set and clear
15839 "making_const_table" as appropriate.
15840 (pic_load_addr, pic_add_dot_plus_four): New insns.
15842 * invoke.texi (Thumb Options): Fix spelling. Document new
15843 options -msingle-pic-base and -mpic-register=.
15845 1999-07-26 Andrew Haley <aph@cygnus.com>
15847 * config/m32r/initfini.c (__init): Use a full word immediate for
15848 __fini: this allows it to be placed in any memory region.
15850 * config/m32r/t-m32r: Compile crtinit.o and crtfini.o for
15851 -mmodel=medium. This is OK for all memory models.
15853 Mon Jul 26 11:58:46 1999 Nick Clifton <nickc@cygnus.com>
15855 * config/arm/arm.c: Replace %R%s in asm_fprintf strings with %r.
15856 * config/arm/arm.h: Replace %R%s in asm_fprintf strings with %r.
15858 Mon Jul 26 10:23:36 1999 Nick Clifton <nickc@cygnus.com>
15860 * final.c (asm_fprintf): Accept ASM_FPRINTF_EXTENSIONS, if
15863 * tm.texi: Document ASM_FPRINTF_EXTENSIONS.
15865 Sun Jul 25 23:51:59 1999 Richard Henderson <rth@cygnus.com>
15867 * i860.h (EXPAND_BUILTIN_SAVEREGS): New.
15868 (BUILD_VA_LIST_TYPE): New.
15869 (EXPAND_BUILTIN_VA_START): New.
15870 (EXPAND_BUILTIN_VA_ARG): New.
15871 * i860.c (output_delayed_branch): Disable.
15872 (output_delay_insn): Likewise.
15873 (i860_saveregs): New.
15874 (i860_build_va_list): New.
15875 (i860_va_start): New.
15876 (i860_va_arg): New.
15877 * i860.md: Disable all peepholes using output_delayed_branch.
15878 * i860/sysv4.h (I860_SVR4_VA_LIST): New.
15880 Sun Jul 25 23:44:13 1999 Richard Henderson <rth@cygnus.com>
15882 * clipper.h (EXPAND_BUILTIN_SAVEREGS): Remove argument.
15883 (BUILD_VA_LIST_TYPE): New.
15884 (EXPAND_BUILTIN_VA_START): New.
15885 (EXPAND_BUILTIN_VA_ARG): New.
15886 * clipper.c (clipper_builtin_saveregs): Only dump registers.
15887 Return the address of the save area.
15888 (clipper_build_va_list): New.
15889 (clipper_va_start): New.
15890 (clipper_va_arg): New.
15892 Sun Jul 25 22:56:47 1999 Richard Henderson <rth@cygnus.com>
15894 * arc.h (EXPAND_BUILTIN_VA_START): New.
15895 (EXPAND_BUILTIN_VA_ARG): New.
15896 * arc.c (arc_setup_incoming_varargs): Set alias set of
15898 (arc_va_start): New.
15901 Sun Jul 25 22:45:55 1999 Richard Henderson <rth@cygnus.com>
15903 * alpha.h (EXPAND_BUILTIN_SAVEREGS): Delete.
15904 (BUILD_VA_LIST_TYPE): New.
15905 (EXPAND_BUILTIN_VA_START): New.
15906 (EXPAND_BUILTIN_VA_ARG): New.
15907 * alpha.c (alpha_builtin_saveregs): Delete.
15908 (alpha_build_va_list): New.
15909 (alpha_va_start): New.
15910 (alpha_va_arg): New.
15912 Sun Jul 25 21:40:33 1999 Jeffrey A Law (law@cygnus.com)
15914 * config/svr4.h (CTORS_SECTION_ASM_OP): Do not emit directives in
15916 (DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP): Likewise.
15917 (FINI_SECTION_ASM_OP, ASM_OUTPUT_SECTION_NAME): Likewise.
15919 * gcc.texi: More changes related to list conversion.
15920 * invoke.texi: Likewise.
15922 Sun Jul 25 18:15:39 1999 Richard Henderson <rth@cygnus.com>
15924 * builtins.c (expand_builtin_saveregs): Remove static, remove exp
15925 and ignore arguments, bail if no EXPAND_BUILTIN_SAVEREGS.
15926 (expand_builtin_next_arg): Accept ARGLIST not EXP.
15927 (stabilize_va_list): New function.
15928 (std_expand_builtin_va_start): New function.
15929 (expand_builtin_va_start): New function.
15930 (get_varargs_alias_set): New function.
15931 (std_expand_builtin_va_arg): New function.
15932 (expand_builtin_va_arg): New function.
15933 (expand_builtin_va_end): New function.
15934 (expand_builtin_va_copy): New function.
15935 (expand_builtin): Call them.
15936 * c-common.c (c_common_nodes_and_builtins): Build __builtin_va_list,
15937 __builtin_{varargs_start,stdarg_start,end,copy}.
15938 (build_va_arg): New function.
15939 * c-common.h (CTI_PTR_TYPE, ptr_type_node): Delete.
15940 (build_va_arg): Declare.
15941 * c-decl.c (ptr_type_node, va_list_type_node): New.
15942 * c-parse.gperf (__builtin_va_arg): New.
15943 * c-parse.in (VA_ARG): New token.
15944 (unary_expr): Recognize it.
15945 * expr.c (expand_expr): Expand VA_ARG_EXPR.
15946 * expr.h (std_expand_builtin_va_start): Declare.
15947 (std_expand_builtin_va_arg): Declare.
15948 (expand_builtin_va_arg): Declare.
15949 (get_varargs_alias_set): Declare.
15950 * tree.def (VA_ARG_EXPR): New.
15951 * tree.h (BUILT_IN_VARARGS_START): New.
15952 (BUILT_IN_STDARG_START, BUILT_IN_VA_END): New.
15953 (ptr_type_node, va_list_type_node): Declare.
15954 * tm.texi (EXPAND_BUILTIN_SAVEREGS): Kill unused ARGLIST argument.
15955 * m32r.h (EXPAND_BUILTIN_SAVEREGS): Likewise.
15956 * m88k.h, m88k.c: Likewise.
15957 * mn10300.h, mn10300.c: Likewise.
15958 * pa.h, pa.c: Likewise.
15959 * rs6000.h, rs6000.c: Likewise.
15960 * sh.h, sh.c: Likewise.
15961 * sparc.h, sparc.c: Likewise.
15963 * emit-rtl.c (operand_subword): Copy alias set.
15964 (change_address): Likewise.
15966 Sun Jul 25 15:04:37 1999 Jeffrey A Law (law@cygnus.com)
15968 * pa.c (compute_frame_size): Scan all the used callee saved registers,
15969 not just the first one.
15971 Fri Jul 23 14:09:58 1999 Philip Blundell <pb@nexus.co.uk>
15973 * config/arm/arm.h (TARGET_SWITCHES): Add
15974 -m{no-}single-pic-base. Correct help string for -mshort-load-words.
15975 (TARGET_OPTIONS): Add -mpic-register=.
15976 (ARM_FLAG_SINGLE_PIC_BASE, TARGET_SINGLE_PIC_BASE): Define.
15977 (arm_pic_register_string): Declare.
15978 (NEED_PLT_GOT): Delete, replace with ...
15979 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. New macros.
15980 (OUTPUT_INT_ADDR_CONST): Replace NEED_PLT_GOT with NEED_GOT_RELOC.
15981 (ASM_OUTPUT_MI_THUNK): Replace NEED_PLT_GOT with NEED_PLT_RELOC.
15982 * config/arm/arm.c (arm_override_options): Add new option
15984 (arm_pic_register_string): New variable.
15985 (arm_finalize_pic): Respect TARGET_SINGLE_PIC_BASE.
15986 (output_func_prologue): If TARGET_SINGLE_PIC_BASE, treat the PIC
15987 register as never live. Use NEED_PLT_RELOC not NEED_PLT_GOT.
15988 (output_return_instruction): Likewise.
15989 * config/arm/elf.h (NEED_PLT_GOT): Delete, replace with ...
15990 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. Define to flag_pic.
15991 * config/arm/arm.md: Use NEED_PLT_RELOC in place of NEED_PLT_GOT.
15993 * invoke.texi (ARM Options): Fix spelling. Remove duplicate
15994 mention of -msched-prolog. Document new options -msingle-pic-base
15995 and -mpic-register=.
15997 Thu Jul 22 18:23:56 1999 Richard Henderson <rth@cygnus.com>
15999 * haifa-sched.c (reemit_notes): Tidy.
16000 * sched.c (reemit_notes): Duplicate 1998-08-31 patch to
16003 Thu Jul 22 18:21:04 1999 Richard Henderson <rth@cygnus.com>
16005 * explow.c (trunc_int_for_mode): New function.
16006 (plus_constant_wide): Use it.
16007 * combine.c (simplify_and_const_int): Likewise.
16008 (merge_outer_ops): Likewise.
16009 (simplify_shift_const): Likewise.
16010 * cse.c (simplify_unary_operation): Likewise.
16011 (simplify_binary_operation): Likewise.
16012 * emit-rtl.c (operand_subword): Likewise.
16013 * rtl.h: Declare it.
16015 Thu Jul 22 14:34:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16017 * config/arm/arm.c (arm_print_operand): Fix typo in 'M' case
16018 (use NUM_REGS instead of NUM_INTS).
16020 Thu Jul 22 11:25:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16022 * builtins.c: New file.
16023 * expr.c (saveregs_value, apply_args_value): Delete definition,
16024 moved into builtins.c.
16025 (string_constant): No longer static.
16026 (get_pointer_alignment, c_strlen, get_memory_rtx, expand_builtin,
16027 apply_args_size, apply_result_size, result_vector,
16028 expand_builtin_apply_args, expand_builtin_apply,
16029 expand_builtin_return): Delete functions, moved into builtins.c.
16030 (INCOMING_REGNO, OUTGOING_REGNO): Delete unused macros.
16031 * expr.h (saveregs_value, apply_args_value): Declare variables.
16032 (expand_builtin, string_constant): Declare functions.
16033 * Makefile.in: Update to build builtin.o.
16035 Wed Jul 21 00:46:58 1999 Mark P. Mitchell <mark@codesourcery.com>
16037 * defaults.h (DWARF2_GENERATE_TEXT_SECTION_LABEL): New macro.
16038 * tm.texi (DWARF2_GENERATE_TEXT_SECTION_LABEL): Define it.
16039 * dwarf2out.c (dwarf2out_init): Don't output a label to mark the
16040 start of the text section if DWARF2_GENERATE_TEXT_SECTION_LABEL is
16042 * config/mips/iris6.h (DWARF2_GENERATE_TEXT_SECTION_LABEL):
16045 1999-07-21 Michael Meissner <meissner@cygnus.com>
16047 * print-rtl.c (print_rtx): Print the names of the virtual
16050 Wed Jul 21 16:00:32 1999 Nick Clifton <nickc@cygnus.com>
16052 * config/arm/arm.h (INITIAL_ELIMINATION_OFFSET): Fix typo
16053 introduced in previous delta.
16055 Wed Jul 21 14:30:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16057 * c-lang.c (finish_file): Rename void_list_node to void_list_node_1
16058 to avoid name clash.
16060 Wed Jul 21 08:39:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
16062 * c-lex.c (yylex) : Correct the test for overflow when lexing
16065 Tue Jul 20 18:02:42 1999 Richard Henderson <rth@cygnus.com>
16067 * haifa-sched.c (insn_cost): FREE implies cost 0 and vice versa.
16068 (adjust_priority): Always call ADJUST_PRIORITY.
16069 (schedule_insn): Only put insns into the ready at cost 0.
16070 (schedule_block): Remove redundant initial sort. Give clock_var
16071 and can_issue_more to MD_SCHED_REORDER. Requeue if hazard cost
16073 * tm.texi (MD_SCHED_REORDER): Update docs.
16075 * sparc.h (MD_SCHED_REORDER): Update. Set CAN_ISSUE_MORE.
16076 * sparc.c (ultra_reorder_called_this_block): Delete.
16077 (ultrasparc_sched_init): Don't set it.
16078 (ultrasparc_sched_reorder): Don't check it.
16080 Tue Jul 20 17:07:54 1999 Richard Henderson <rth@cygnus.com>
16082 * rs6000.h (struct rs6000_args): Add sysv_gregno.
16083 * rs6000.c (init_cumulative_args): Init sysv_gregno.
16084 (function_arg_boundary): Align DFmode.
16085 (function_arg_advance): Restructure for ABI_V4; use sysv_gregno
16086 to get fp reg and stack overflow correct.
16087 (function_arg): Likewise.
16088 (function_arg_pass_by_reference): True for TFmode for ABI_V4.
16089 (setup_incoming_varargs): Restructure for ABI_V4; use
16090 function_arg_advance to skip final named argument.
16091 (expand_builtin_saveregs): Properly unskip the last integer arg
16092 when doing varargs. Adjust overflow location calculation.
16094 * ginclude/va-ppc.h (struct __va_list_tag): Make gpr and fpr
16095 explicitly unsigned.
16096 (__VA_FP_REGSAVE): Use new OFS argument instead of AP->fpr directly.
16097 (__VA_GP_REGSAVE): Similarly.
16098 (__va_longlong_p): Delete.
16099 (__va_arg_type_violation): New declaration.
16100 (va_arg): Restructure. Flag promotion errors. Align double.
16101 TFmode passed by reference.
16103 * rs6000.md (movdi_32+1): Use GEN_INT after arithmetic
16104 in the HOST_BITS_PER_WIDE_INT > 32 case.
16106 Tue Jul 20 12:37:30 1999 Hans-Peter Nilsson <hp@bitrange.com>
16108 * dwarf2out.c (output_abbrev_section): Terminate with a zero.
16110 Tue Jul 20 12:12:27 1999 Jason Merrill <jason@yorick.cygnus.com>
16112 * gcc.c (default_compilers, cpp-output): Pass -fpreprocessed.
16113 * toplev.c (documented_lang_options): Add -fpreprocessed.
16114 * cpplib.h (struct cpp_buffer): Add preprocessed.
16115 * cppinit.c (cpp_handle_option): Handle -fpreprocessed.
16116 (cpp_start_read): Don't expand macros or emit an initial #line
16117 directive if -fpreprocessed.
16119 Tue Jul 20 12:12:09 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
16121 * cpplib.h (struct cpp_buffer): Added manual_pop for
16122 better C++ tokenization.
16123 * cpplib.c (cpp_get_token): Return CPP_EOF if manual_pop.
16124 Also, support C++ tokenization for ->*, .*, <?, and >? operators.
16125 * c-common.c (cpp_token): Make non-static.
16127 Tue Jul 20 11:24:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16129 * c-common.h: New file.
16130 * c-common.c (permanent_obstack): Delete unused declaration.
16131 (c_global_trees): New array.
16132 (c_common_nodes_and_builtins): New function; split off common code
16133 from init_decl_processing in both c-decl.c and cp/decl.c.
16134 * c-tree.h: Delete lots of declarations of tree nodes; replaced by
16135 c_global_trees and accessor macros defined in c-common.h.
16136 Include c-common.h.
16137 * c-decl.c: Delete definitions for tree nodes that were replaced by
16139 (init_decl_processing): Build void_list_node.
16140 Call c_common_nodes_and_builtins; delete code to generate the common
16142 * objc/objc-act.c (build_module_descriptor): Rename variable
16143 void_list_node to avoid clash with c-common.h.
16145 * Makefile.in: Update dependencies.
16146 * objc/Make-lang.in: Likewise.
16148 Mon Jul 19 14:22:18 1999 Mark P. Mitchell <mark@codesourcery.com>
16150 * config/mips/iris6gld.h (MAKE_DECL_ONE_ONLY): Define.
16151 (UNIQUE_SECTION_P): Likewise.
16152 (UNIQUE_SECTION): Likewise.
16154 1999-07-19 Linas Vepstas <linas@linas.org>
16156 * config/i370/README: New file.
16157 * config/i370/linux.h: New file.
16158 * config/i370/mvs.h: New file.
16159 * config/i370/oe.h: New file.
16160 * config/i370/t-linux: New file.
16161 * config/i370/t-mvs: New file.
16162 * config/i370/t-oe: New file.
16163 * config/i370/x-oe: New file.
16164 * config/i370/xm-linux.h: New file.
16165 * config/i370/xm-mvs.h: New file.
16166 * config/i370/xm-oe.h: New file.
16168 * i370.c (label_node_t): Add first_ref_page, label_addr,
16169 label_first_ref, label_last_ref members.
16170 (mvs_need_base_reload): Renamed from mvs_label_emitted.
16171 (MAX_MVS_LABEL_SIZE): Define.
16172 (MAX_LONG_LABEL_SIZE): Define.
16173 (alias_node_t, alias_anchor, alias_number): New.
16174 (mvs_function_table): Reorder for EBCDIC.
16175 (ascebc, ebcasc): Unconditionally define.
16176 (i370_branch_dest, i370_branch_length): New functions.
16177 (i370_short_branch, i370_label_scan): New functions.
16178 (mvs_get_label): Renamed from mvs_add_label. Search for
16179 an existing label before creating a new one.
16180 (mvs_add_label): New function.
16181 (mvs_get_label_page): New function.
16182 (mvs_free_label_list): Renamed from mvs_free_label. Iterate
16183 over the entire list.
16184 (mvs_check_page) [TARGET_HLASM]: Use BASR not BALR.
16185 (mvs_check_page) [TARGET_ELF_ABI]: New function.
16186 (mvs_add_alias, mvs_need_alias): New functions.
16187 (mvs_get_alias, mvs_check_alias): New functions.
16188 (handle_pragma): New function.
16189 (mvs_function_check): New function.
16190 (unsigned_jump_follows_p): Search harder.
16191 (i370_function_prolog) [TARGET_HLASM]: Handle LE370. Scan labels.
16192 (i370_function_prolog) [TARGET_ELF_ABI]: New function.
16193 * i370.h (TARGET_VERSION): Delete.
16194 (CPP_SPEC, CPP_PREDEFINES): Delete.
16195 (mvs_label_emitted): Delete.
16196 (TARGET_EBCDIC): Delete.
16197 (MAP_CHARACTER): Define only if TARGET_EBCDIC.
16198 (HANDLE_PRAGMA): Define.
16199 (HARD_REGNO_NREGS): Handle complex modes.
16200 (HARD_REGNO_MODE_OK): Likewise.
16201 (CLASS_MAX_NREGS): Likewise.
16202 (RET_REG): Likewise.
16203 (EXTRA_CONSTRAINT): Define.
16204 (RETURN_IN_MEMORY): True for DImode.
16205 (TRAMPOLINE_TEMPLATE): Use gen_rtx instead of GEN_INT.
16206 (FUNCTION_PROFILER): Delete.
16207 (COUNT_REGS): Fail if REG_P but not REG_OK_FOR_BASE_P.
16208 (NOTICE_UPDATE_CC): Correct handling of MULT, DIV, logicals and shifts.
16209 (TARGET_ESC, TARGET_BELL): Conditionally define for TARGET_EBCDIC.
16210 (TARGET_BS, TARGET_TAB, TARGET_NEWLINE): Likewise.
16211 (TARGET_VT, TARGET_FF, TARGET_CR): Likewise.
16212 (ASM_FILE_START): Add "RMODE ANY".
16213 (ASM_OUTPUT_EXTERNAL): Check for aliases.
16214 (ASM_GLOBALIZE_LABEL): Likewise.
16215 (ASM_OUTPUT_LABELREF): Likewise.
16216 (ASM_OUTPUT_COMMON): Likewise.
16217 (PRINT_OPERAND): Handle 'K', 'W', default.
16218 (PRINT_OPERAND_ADDRESS): New.
16219 (Lots of defines): Add support for TARGET_ELF_ABI.
16220 * i370.md (attr length): New. Define for all patterns.
16221 (*): Lots of tweeks to assembly output and constraints.
16223 Mon Jul 19 15:09:29 1999 David Edelsohn <edelsohn@gnu.org>
16225 * rs6000.md (arithmetic, logical, and shift Rc combiner patterns):
16226 Disable patterns performing SImode comparisons with SImode values
16227 if TARGET_POWERPC64 and instruction does not sign-extend or does
16228 not mask to narrower than SImode, i.e. where bit 31 and bit 63 may
16229 differ for signed quantities.
16230 (indirect_jump): Add expander to choose RTL based on TARGET_64BIT.
16231 (tablejump): Patterns contingent on TARGET_64BIT not TARGET_POWERPC64.
16232 (decrement_and_branch_on_count): Add 64-bit variant.
16234 Mon Jul 19 09:36:27 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16236 * final.c (output_asm_insn): When searching for the matching string
16237 for a given dialect, don't run past the end of the list of
16238 alternatives if there are fewer alternatives in the template than
16241 1999-07-17 Alexandre Oliva <oliva@dcc.unicamp.br>
16243 * gcc.texi: Update e-mail addresses and URLs to gcc.gnu.org.
16244 Removed paragraph about compression of files and size limitation,
16245 duplicated in the FAQ. Use gcc-patches for posting patches.
16246 * gcc.c (main): Updated URL with bug reporting instructions to
16247 gcc.gnu.org. Removed e-mail address.
16248 * system.h (abort): Likewise.
16250 1999-07-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16252 * Makefile.in (stmp-multilib-sub): Make the files extracted
16253 from $(LIBGCC1) writable.
16255 Sat Jul 17 14:25:46 1999 Nick Clifton <nickc@cygnus.com>
16257 * config/arm/aout.h: Reformat for improved readability.
16259 * config/arm/arm.h: Reformat for improved readability.
16260 Replace uses of fprintf with asm_fprintf where appropriate.
16261 (ARM_DECLARE_FUNCTION_NAME): New macro: Perform any generic ARM
16262 function declaration assembler actions.
16263 (NUM_INTS): New macro: Convert from bytes to words.
16264 (NUM_REGS): New macro: Compute number of registers required to
16265 hold a quanitity of tyep MODE.
16266 (NUM_REGS2): New macro: Like NUM_REGS but also copes with BLKmode
16268 (NUM_ARG_REGS): New macro: The number of argument registers
16270 (ARG_REGISTER): New macro: Compute the register number of the Nth
16272 (LAST_ARG_REGNUM): New macro: The number of the last argument
16274 (SP_REGNUM): New macro: Register number of the stack pointer.
16275 (FP_REGNUM): New macro: Register number of the frame pointer.
16276 (FUNCTION_ARG, FUNCTION_ARG_PARTIAL_NREGS, INIT_CUMULATIVE_AGS,
16277 FUNCTION_ARG_ADVANCE, SETUP_INCOMING_VARARGS): Change
16278 CUMULATIVE_ARGS so that it counts registers not bytes.
16280 * config/arm/arm.c: Rename TARGET_THUMB_INTERWORK to
16282 Replace uses of fprintf with asm_fprintf where appropriate.
16283 (output_ascii_pseudo_op): Replace with version from thumb.c
16285 * config/arm/coff.h (ASM_FILE_START): Emit ASM_APP_OFF.
16287 * config/arm/elf.h (CPP_PREDEFINES): Replace with
16288 SUBTARGET_CPP_SPEC.
16289 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
16290 (ASM_FILE_START): Emit ASM_APP_OFF.
16292 Fri Jul 16 13:48:09 1999 Jeffrey A Law (law@cygnus.com)
16294 * pa.c (compute_frame_size): Round frame according to
16295 STACK_BOUNDARY rather than a hardwired value.
16297 * pa.h (POINTER_SIZE, PARM_BOUNDARY): Define in terms of BITS_PER_WORD.
16299 * configure.in (hppa*-*-hpux11*): Use symbolic MASK_PA_11 instead
16301 * configure: Rebuilt.
16303 * configure.in (hppa*-*-linux*): New configuration.
16304 * configure: Rebuilt.
16305 * pa.h (MAX_OFILE_ALIGNMENT): Delete.
16306 * pa/som.h (MAX_OFILE_ALIGNMENT): Define.
16307 * pa/pa-linux.h: New file.
16308 * pa/t-linux: New file.
16309 * pa/xm-linux.h: New file.
16311 * pa.c (hppa_legitimize_address): Change references from SImode to
16312 either Pmode or word_mode as appropriate.
16313 (emit_move_sequence, store_reg, load_reg): Likewise.
16314 (set_reg_plus_d, hppa_expand_prologue): Likewise.
16315 (output_mul_insn): Likewise.
16316 * pa.h (PROMOTE_MODE): Likewise.
16317 (INITIALZE_TRAMPOLINE): Likewise.
16318 (Pmode): Define to word_mode.
16320 * pa.c (compute_frame_size): Use UNITS_PER_WORD instead of hardwired
16321 value of 4. Allocate 8 bytes for each FP register save.
16322 (hppa_expand_epilogue): Use UNITS_PER_WORD instead of harwarewired
16324 (hppa_expand_prologue): Likewise.
16325 * pa.h (PROMOTE_MODE): Likewise.
16326 (HARD_REGNO_MODE_OK, FUNCTION_ARG_SIZE): Likewise.
16327 (FUNCTION_ARG_BOUNDARY): Likewise.
16329 * invoke.texi (HPPA Options): Remove -mspace/-mno-space.
16331 * pa.c (out_of_line_prologue_epilogue): Delete.
16332 (override_options): Remove -mspace related code.
16333 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
16334 (compute_frame_size): Only allocate space for register that
16335 actually need to be saved.
16336 * pa.h (MASK_SPACE, TARGET_SPACE): Delete.
16337 (TARGET_SWITCHES): Remove -mspace, -mno-space
16338 * pa/t-pa (LIB2FUNCS_EXTRA): Remove ee.asm and ee_fp.asm
16339 * pa/t-pro (LIB2FUNCS_EXTRA): Likewise. Remove -mspace multilib.
16340 * pa/ee.asm, pa/ee_fp.asm: Delete.
16342 * pa/elf.h (ASM_OUTPUT_DOUBLE_INT): Define.
16344 * config/svr4.h (CONST_SECTION_ASM_OP): Do not emit assembler
16345 directive in column zero.
16347 Fri Jul 16 01:39:57 1999 Jeffrey A Law (law@cygnus.com)
16349 * m68k.c (output_function_prologue): Fix computation of save mask
16350 when generating PIC code.
16352 Thu Jul 15 15:40:09 1999 Jim Wilson <wilson@cygnus.com>
16354 * tree.c (build_type_attribute_variant): Move current_obstack restore
16355 after build_qualified_type call.
16357 1999-07-15 Mark Mitchell <mark@codesourcery.com>
16359 * configure.in: Use t-iris6, even with GNU LD.
16360 * config/mips/iris6gld.h: Fix typo in linker spec.
16361 * config/mips/t-iris6gld: Remove.
16363 Thu Jul 15 15:15:43 1999 David Edelsohn <edelsohn@gnu.org>
16365 * rs6000.md (insv, extzv): Remove SImode dependence in named
16366 patterns. Explicitly generate DImode RTL if PowerPC64 and
16368 (insvdi): Reverse start and size in instruction template.
16370 1999-07-12 Joseph S. Myers <jsm28@cam.ac.uk>
16372 * invoke.texi: Typo fixes.
16374 Wed Jul 14 23:28:06 1999 Jeffrey A Law (law@cygnus.com)
16376 * emit-rtl.c (gen_realpart): Issue an error for cases GCC can not
16377 handle at this time instead of silently generating incorrect code.
16378 (gen_imagpart): Likewise.
16380 * reload.c (find_reloads): Emit a USE for a pseudo register without
16381 a hard register if we could not create an optional reload for the
16384 Wed Jul 14 23:45:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16386 * c-typeck.c (output_init_element, process_init_element):
16387 When advancing constructor_unfilled_fields for a RECORD_TYPE,
16388 check for nameless bit fields.
16390 Wed Jul 14 01:57:39 1999 Richard Henderson <rth@cygnus.com>
16392 * regclass.c (scan_one_insn): Notice subregs that change the
16393 size of their operand.
16394 (record_reg_classes): Use that to obey CLASS_CANNOT_CHANGE_SIZE.
16396 Wed Jul 14 01:41:42 1999 Jeffrey A Law (law@cygnus.com)
16398 * configure.in (alpha*-*-*): Include alpha/t-ieee.
16399 * configure: Rebuilt.
16400 * alpha/t-ieee: New file.
16402 Tue Jul 13 10:45:58 1999 Jeffrey A Law (law@cygnus.com)
16404 * rs6000.c (find_addr_reg): Do not select r0 as an address
16407 Tue Jul 13 00:46:18 1999 Philippe De Muyter <phdm@macqel.be>
16409 * m68k/x-mot3300 (XCFLAGS): List of big files now includes `cse.o'.
16411 Mon Jul 12 14:29:15 1999 Jeffrey A Law (law@cygnus.com)
16413 * rs6000.md (movsf): Do not force easy FP constants into memory.
16415 * expr.c (expand_expr, case PLUS_EXPR): Pass constants through
16416 immed_double_const to ensure they are properly truncated then
16419 Mon Jul 12 10:40:01 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
16421 * config/arm/thumb.c (thumb_reorg): Call replace_symbols_in_block
16422 always unless NO_DEBUG is used. Compile this code
16424 (replace_symbols_in_block): Compile it unconditionally.
16426 Sun Jul 11 12:32:32 1999 Jeffrey A Law (law@cygnus.com)
16428 * configure.in (i?86-*-elf*): New target.
16429 * configure: Rebuilt.
16430 * i386/i386elf.h, i386/t-i386elf: New files.
16432 Fri Jul 9 22:39:44 1999 Jason Merrill <jason@yorick.cygnus.com>
16434 * toplev.c (main): Don't complain about saying -gdwarf.
16435 (rest_of_compilation): Remove redundant code.
16437 Fri Jul 9 19:08:55 1999 Jim Wilson <wilson@cygnus.com>
16439 * unroll.c (unroll_loops): Don't delete named CODE_LABELs.
16441 Fri Jul 9 18:54:18 1999 Felix Lee <flee@cygnus.com>
16443 * config/i960/i960.c (ret_label): Change asm label from "LR:" to
16444 "Li960R:", to avoid name clash.
16446 Fri Jul 9 10:48:28 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16448 * loop.c (check_dbra_loop): When reversing a loop, delete all
16449 REG_EQUAL notes referencing the reversed biv except those which are
16450 for a giv based on it.
16452 Fri Jul 9 03:51:52 1999 Jeffrey A Law (law@cygnus.com)
16454 * version.c: Drop "gcc-" prefix from version #.
16456 Thu Jul 8 18:06:30 1999 Jason Merrill <jason@yorick.cygnus.com>
16458 * dwarf2out.c (dwarf2out_line): Emit a line number comment after
16459 the label if we're being verbose.
16461 Thu Jul 8 14:18:46 1999 Richard Henderson <rth@cygnus.com>
16463 * m68k.c (output_function_prologue): Add pic register to mask
16464 if live and flag_pic.
16465 (output_function_epilogue): Likewise.
16467 Thu Jul 8 12:55:12 1999 Jeffrey A Law (law@cygnus.com)
16469 * dbxelf.h (ASM_OUTPUT_SOURCE_LINE): Do not put assembler
16470 directives in column zero.
16472 * pa/elf.h (ASM_FILE_START): Define.
16473 * pa/som.h (ASM_FILE_START): Include .level directives.
16474 * pa/hpux10.h (ASM_FILE_START): Delete.
16475 * pa/hpux11.h (ASM_FILE_START): Delete.
16477 * pa/elf.h (BSS_SECTION_ASM_OP): Use .section .bss.
16479 Thu Jul 8 18:03:19 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16481 * reload1.c (choose_reload_regs): Never call remove_adress_replacements
16482 when reload_out equals reload_in.
16484 Thu Jul 8 16:50:14 1999 Nick Clifton <nickc@cygnus.com>
16486 * invoke.texi (Spec Files): New node: Describe the contents of
16489 Thu Jul 8 10:28:25 1999 Craig Burley <craig@jcb-sc.com>
16491 * invoke.texi (DEC Alpha Options): Put @end table at
16492 beginning of line, to avoid confusing texi2html.
16494 Thu Jul 8 09:22:06 1999 Nick Clifton <nickc@cygnus.com>
16496 * config/arm/elf.h (ASM_OUTPUT_INTERNAL_LABEL): Fixed typo
16497 introduced in previous delta.
16499 Wed Jul 7 02:00:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
16501 * reload1.c (gen_reload): When synthesizing a 3 operand add
16502 sequence, improve test for when to reload OP1 into the reload
16503 register instead of OP0.
16505 Wed Jul 7 01:38:03 1999 Jim Wilson <wilson@cygnus.com>
16507 * unroll.c (unroll_loop): Don't delete NOTE_INSN_DELETED_LABEL notes.
16509 1999-07-07 Manfred Hollstein <mhollstein@cygnus.com>
16511 * m88k/dguxbcs.h (CPP_SPEC): Add missing \ in multi-line
16514 Wed Jul 7 01:16:43 1999 Richard Henderson <rth@cygnus.com>
16516 * ginclude/varargs.h (__builtin_va_alist_t): New typedef.
16517 (va_dcl): Use __builtin_va_alist_t.
16519 Wed Jul 7 01:14:42 1999 Jason Merrill <jason@yorick.cygnus.com>
16521 * dwarf2out.c (gen_struct_or_union_type_die): Only remember types
16522 on the permanent_obstack.
16523 * dwarfout.c (output_type): Likewise.
16525 Tue Jul 6 15:25:32 1999 Gavin Romig-Koch <gavin@cygnus.com>
16527 * c-common.c (unsigned_type,signed_type,signed_or_unsigned_type) :
16528 Merged from c-typeck.c and cp/typeck.c.
16529 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
16530 Merged into c-common.
16532 Tue Jul 6 13:06:01 1999 Dave Brolley <brolley@cygnus.com>
16534 * c-lex.c (errorcount): Declare it.
16535 (finish_parse): Update errorcount when using CPPLIB.
16537 1999-07-06 Bruce Korb <ddsinc09@ix.netcom.com>
16539 * fixinc/inclhack.def(end_else_label): Double the backslash so
16540 sed gets a chance to see it.
16541 * fixinc/inclhack.sh: regen
16542 * fixinc/fixincl.x: regen
16544 Fri Jul 2 18:49:51 1999 Nick Clifton <nickc@cygnus.com>
16546 Add framework to support armv5 architecture when it becomes
16549 * config/arm/arm.c (FL_ARCH5): New processor capability flag.
16550 (arm_arch5): New variable.
16551 (all_architectures): Add armv5 line.
16552 * config/arm/arm.h (CPP_CPU_ARCH_SPEC): Define __ARM_ARCH_5__ if
16553 -march=armv5 is specified on the command line.
16554 (arm_arch5): Export this variable.
16555 * invoke.texi: Document new string accepted by -march= switch for
16558 * config/arm/arm.h: Replace use of constant 12 as a register
16559 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
16560 * config/arm/arm.c: Replace use of constant 12 as a register
16561 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
16563 * config/arm/elf.h: Tidy up.
16564 * config/arm/coff.h: Tidy up.
16566 Thu Jul 1 19:08:13 1999 Mark P. Mitchell <mark@codesourcery.com>
16568 * gcc/configure.in (mips-sgi-irix6*): Handle --with-gnu-ld.
16569 * gcc/config/mips/t-iris6gld: New file.
16570 * gcc/config/mips/iris6gld.h: Likewise.
16572 Fri Jul 2 13:23:39 1999 Gavin Romig-Koch <gavin@cygnus.com>
16574 * c-decl.c (widest_integer_literal_type_node,
16575 widest_unsigned_literal_type) : New.
16576 (init_decl_processing): Handle/use the two new types.
16577 * c-common.c (type_for_size,type_for_mode) : Same.
16578 * c-lex.c (yylex) : Same.
16579 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
16581 * c-tree.h (widest_integer_literal_type_node,
16582 widest_unsigned_literal_type) : New.
16584 Fri Jul 2 03:05:44 1999 Jeffrey A Law (law@cygnus.com)
16586 * dwarfout.c (field_byte_offset): Correctly compute the object's
16587 byte offset for the first bit of a field which crosses an alignment
16588 boundary on a !BYTES_BIG_ENDIAN target.
16590 Fri Jul 2 01:36:36 1999 Robert Lipe <robertlipe@usa.net>
16592 * fixinc.svr4: Fix <arpa/inet.h> by deleting protos for htons and
16595 Fri Jul 2 00:46:47 1999 Richard Henderson <rth@cygnus.com>
16596 Jeff Law <law@cygnus.com>
16598 * ginclude/varargs.h (va_dcl): Use word_mode for type of
16601 * except.c: Include intl.h.
16602 (expand_eh_return): Set current_function_cannot_inline.
16603 (save_eh_status, restore_eh_status): Twiddle eh_return_stub_label.
16604 * function.h (struct function): Add eh_return_stub_label.
16605 * flow.c (delete_unreachable_blocks): Don't merge across EH edges.
16606 * Makefile.in (except.o): Depend on intl.h.
16608 Fri Jul 2 00:04:23 1999 David Edelsohn <edelsohn@gnu.org>
16610 * rs6000.md (movdf_hardfloat32): Handle PRE_INC and PRE_DEC the
16611 same as offsettable in cases 1 and 2.
16613 Thu Jul 1 20:54:10 1999 Richard Henderson <rth@cygnus.com>
16615 * alpha.md (extqh): Define as 64-((R&7)*8) instead of 56-(((R-1)&7)*8).
16616 (extlh, extwh): Likewise.
16618 Thu Jul 1 11:05:25 1999 Gavin Romig-Koch <gavin@cygnus.com>
16620 * c-lex.c (yylex): Improve 'integer constant out of range' messages.
16622 Wed Jun 30 16:51:41 1999 Nick Clifton <nickc@cygnus.com>
16624 * configure.in: Add arm-pe and thumb-pe targets.
16625 * configure: Regenerate.
16627 * thumb.c (arm_naked_function_p): New function: Determines if
16628 a function is naked (has no gcc generated prologue/epilogue).
16629 (is_called_in_ARM_mode): Return true if the func has the
16630 interfacearm attribute.
16631 (output_return): Do not generate a return for naked functions.
16632 (thumb_function_prologue): Do not generate a prologue for
16634 (thumb_expand_prologue): Do not generate a prologue for naked
16636 (thumb_expand_epilogue): Do not generate an epilogue for naked
16638 (arm_valid_machine_decl_attribute): New function, copied from
16639 arm.c: Permit naked and interfacearm attributes.
16641 * config/arm/pe.c: New file: Support code for arm-pe target.
16642 * config/arm/pe.h: New file: Header file for arm-pe target.
16643 * config/arm/tpe.h: New file: Header file for thumb-pe target.
16644 * config/arm/t-thumb-pe: New file: Makefile fragment for
16647 1999-07-01 Mark Kettenis <kettenis@gnu.org>
16649 * config/i386/gnu.h (CPP_SPEC): Define __PIC__ and __pic__ if
16650 -fPIC or -fpic is specified.
16652 Wed Jun 30 03:31:54 1999 Jeffrey A Law (law@cygnus.com)
16654 * expr.c (emit_block_move): Use copy_to_mode_reg for
16655 !TARGET_MEM_FUNCTIONS case too.
16657 * configure.in (hppa*-*-*): Add som.h or elf.h to tm_file as
16659 * configure: Rebuilt.
16660 (hppa1.1-*-pro*, hppa1.1-*-rtems*): Define target_cpu_default.
16661 * pa.h: Include dbxelf.h. Delete various dbx/stabs related
16662 definitions made redundant by dbxelf.h inclusion. Delete
16663 lots of definitions related to assembly output that are
16664 specific to the SOM object format.
16665 * pa.c (output_function_prologue): Do not emit the function's
16667 * pa-pro-end.h (STARTFILE_SPEC): Undefine before redefining.
16668 * pa-pro.h: Deleted.
16669 * som.h: New file with SOM specific definitions.
16670 * elf.h: New file with ELF specific definitions.
16672 * elfos.h (const_section): Output a tab before assembler directives.
16673 (ctors_section, dtors_section): Likewise.
16674 (ASM_OUTPUT_SECTION_NAME): Likewise.
16676 * pa/pa1.h: Delete unused file.
16678 Tue Jun 29 01:37:53 1999 Jeffrey A Law (law@cygnus.com)
16680 * configure.in (hppa*-hp-hpux11*): New configuration.
16681 * configure: Rebuilt.
16682 * pa/pa-hpux11.h: New file.
16683 * pa.h (CPP_SPEC): Conditionally add -D__STDC_EXT__ to the cpp
16686 * mips.md (leasi, leadi): New patterns.
16688 * expr.c (emit_block_move): Properly handle case where one of the
16689 block move arguments has a queued increment or decrement.
16690 (clear_storage): Similarly. Fix formatting goof.
16692 1999-06-28 "David O'Brien" <obrien@NUXI.com>
16694 * fixinc/inclhack.def(stdio_va_list): This patch Removes a
16695 semicolon from the BSD VA_LIST replacement expression.
16697 * fixinc/inclhack.sh: regen
16698 * fixinc/fixincl.x: regen
16700 * fixinc/mkfixinc.sh: Have `i[34567]86-*-freebsd*' machines
16701 now use the fixincl program.
16703 Mon Jun 28 05:28:12 1999 Jeffrey A Law (law@cygnus.com)
16705 * m68k.h (CONDITIONAL_REGISTER_USAGE): Define for !SUN_FPA
16706 case. Also make the PIC register call_used.
16708 * m68k.h (FINALIZE_PIC): Delete.
16709 * m68k.c (finalize_pic): Delete.
16711 Mon Jun 28 05:16:35 1999 Richard Henderson <rth@cygnus.com>
16713 * m68k.h (PREFERRED_RELOAD_CLASS): Don't force any FP const_doubles
16716 Mon Jun 28 04:07:27 1999 David Edelsohn <edelsohn@gnu.org>
16718 * expmed.c (expand_divmod): Ensure unsigned value fits in reg_note.
16720 Sun Jun 27 02:39:08 1999 Richard Henderson <rth@cygnus.com>
16722 * jump.c (jump_optimize_1): Validate the cmov copy to a temporary.
16724 Sat Jun 26 17:18:18 1999 David Edelsohn <edelsohn@gnu.org>
16726 * rs6000.c (print_operand, case 'L'): Use plus_constant_for_output.
16728 Fri Jun 25 11:33:24 1999 Richard Henderson <rth@cygnus.com>
16730 * alpha.c (override_options): Add -mcpu=ev45 as an alias for ev4.
16732 Fri Jun 25 13:41:25 1999 David Edelsohn <edelsohn@gnu.org>
16734 * rs6000.c (output_toc): Always use hex values for floating-point
16735 constants. Store single-precision values in upper-half of TOC
16736 entry in 64-bit mode.
16737 * rs6000.md (floatsidf2, floatunssidf2): Add !TARGET_POWERPC64
16738 to final constraints.
16739 (fix_truncdfsi2 splitter): Change pattern matching fctiwz.
16740 (fctiwz): Improve accuracy of RTL for pattern.
16742 Fri Jun 25 11:26:38 1999 Gavin Romig-Koch <gavin@cygnus.com>
16744 * expr.c (expand_expr): Allow RTL_EXPR's through the
16745 MAX_INTEGER_COMPUTATION_MODE checks.
16747 Fri Jun 25 06:06:37 1999 Richard Henderson <rth@cygnus.com>
16749 * alpha.h (MASK_SUPPORT_ARCH, MASK_CPU_EV5, MASK_CPU_EV6): Define
16750 such that MASK_SUPPORT_ARCH is not negative.
16752 Fri Jun 25 05:35:44 1999 Jeffrey A Law (law@cygnus.com)
16754 * loop.c (verify_dominator): Properly handle ADDR_VEC and
16755 ADDR_DIFF_VEC insns that appear inside loops.
16757 Thu Jun 24 22:54:05 1999 David Edelsohn <edelsohn@gnu.org>
16758 Jeff Law <law@cygnus.com>
16760 * rs6000.md (movdf_hardfloat32): Revert previous patch.
16761 Handle LO_SUM the same as offsettable in cases 1 and 2.
16762 * rs6000.c (find_addr_reg): Revert previous patch.
16764 Thu Jun 24 22:43:12 1999 Philippe De Muyter <phdm@macqel.be>
16766 * system.h (strstr): New external function declaration.
16767 * acconfig.h (NEED_DECLARATION_STRSTR): New define slot.
16768 * configure.in (GCC_NEED_DECLARATIONS): Check for strstr.
16769 * config.in, configure: Rebuilt.
16771 1999-06-24 Tom Tromey <tromey@cygnus.com>
16773 * gcc.c (main): Read user-specified specs files after computing
16774 additional startfile_prefixes.
16776 Thu Jun 24 15:00:47 1999 Mark Mitchell <mark@codesourcery.com>
16778 Revert these two patches:
16780 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16781 * loop.c (strength_reduce): When doing biv->giv conversion, update
16782 reg note of NEXT->insn.
16784 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16785 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
16787 (recombine_givs): Set ix field after sorting.
16789 Wed Jun 23 21:26:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16791 * rtlanal.c (reg_referenced_p): Use reg_overlap_mentioned_p
16792 for the parts of an UNSPEC / UNSPEC_VOLATILE.
16794 1999-06-23 Bruce Korb <ddsinc09@ix.netcom.com>
16796 *fixinc/inclhack.def: Add fix development commentary
16797 (read_ret_type): reactivate and add selection clause
16798 (zzz_*): tweak output file name to match what is used in hackshell.tpl
16799 *fixinc/{fixincl.x|inclhack.sh}: regen
16801 Wed Jun 23 00:48:21 1999 Jason Merrill <jason@yorick.cygnus.com>
16803 * expr.c (expand_expr): STRIP_NOPS before checking against
16804 MAX_INTEGER_COMPUTATION_MODE
16805 (check_max_integer_computation_mode): Likewise.
16807 Tue Jun 22 20:23:43 1999 Jim Wilson <wilson@cygnus.com>
16809 * md.texi (smul@var{m}3_highpart): Add missing 's' prefix.
16811 1999-06-22 Jim Wilson <wilson@cygnus.com>
16813 * expr.c (store_expr): When target is a promoted subreg, return a
16814 promoted subreg as a result.
16816 Tue Jun 22 17:14:58 1999 Michael Meissner <meissner@cygnus.com>
16818 * dwarf2out.c (dwarf2out_frame_debug_expr): Reformat to match GNU
16820 (dwarf2out_define): Mark unused parameters appropriately.
16821 (gen_unspecified_parameters_die): Ditto.
16822 (gen_subprogram_die): Fix signed/unsigned warnings.
16823 (gen_variable_die): Ditto.
16825 1999-06-22 Bruce Korb <ddsinc09@ix.netcom.com>
16827 * fixinc/inclhack.def(end_else_label): combined else_label
16828 and endif_label and fixed the sed expression.
16829 *fixinc/{fixincl.x|inclhack.sh}: regen
16831 Tue Jun 22 01:58:18 1999 Jeffrey A Law (law@cygnus.com)
16833 * rs6000.md (movdf_hardfloat32): Use %X instead of always emitting
16834 'x' when handling non-offsettable addresses
16836 Tue Jun 22 00:20:05 1999 Richard Earnshaw (rearnsha@arm.com)
16838 * final.c (shorten_branches): Don't try to split an insn that has
16841 Mon Jun 21 12:47:39 1999 Mark Mitchell <mark@codesourcery.com>
16843 * config/mips/mips.c (symbolic_expression_p): New function.
16844 (mips_select_rtx_section): Put symbolic expressions in the
16845 data section, not the read-only data section.
16847 Mon Jun 21 22:13:06 1999 Jeffrey A Law (law@cygnus.com)
16849 * rs6000.md (find_addr_reg): Handle LO_SUM addresses.
16851 Mon Jun 21 20:10:42 1999 Richard Henderson <rth@cygnus.com>
16853 * collect2.c (main): Log frame table count.
16854 (GCC_OK_SYMBOL) [ECOFF]: Accept stGlobal.
16855 (scan_prog_file) [COFF]: Handle frame tables.
16857 * alpha/alpha.h (UNALIGNED_SHORT_ASM_OP): Define.
16858 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): Define.
16859 * alpha/elf.h: Undef them again.
16860 * alpha/vms.h: Remove their definitions.
16862 Tue Jun 22 03:17:53 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16864 * sh.c (machine_dependent_reorg): When fixing up fp pcloads,
16865 remove the clobber of r0 and change the REG_UNUSED note to
16868 1999-06-21 Jakub Jelinek <jj@ultra.linux.cz>
16870 * real.c (ereal_from_double): Fix for 64-bit big endian hosts.
16871 * emit-rtl.c (gen_lowpart_common): Add case for hosts where double
16872 fits in HOST_WIDE_INT and one uses union to access a long constant
16875 Mon Jun 21 17:18:25 1999 Richard Henderson <rth@cygnus.com>
16877 * sparc.c (sparc_override_options): Don't allow profiling for
16878 code models other than medlow.
16879 (sparc_function_profiler): New function from old FUNCTION_PROFILER
16880 macro. Use ASM_GENERATE_INTERNAL_LABEL and MCOUNT_FUNCTION.
16881 (sparc_function_block_profiler): Likewise. Use user_label_prefix.
16882 (sparc_block_profiler): Likewise.
16883 (sparc_function_block_profiler_exit): Likewise.
16884 * sparc.h (FUNCTION_PROFILER): Call new sparc.c function.
16885 (FUNCTION_BLOCK_PROFILER): Likewise.
16886 (BLOCK_PROFILER): Likewise.
16887 (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
16888 (MCOUNT_FUNCTION): New.
16889 * sparc/pbd.h (FUNCTION_PROFILER): Delete.
16890 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Delete.
16891 * sparc/sun4o3.h (FUNCTION_PROFILER): Delete.
16892 (MCOUNT_FUNCTION): New.
16893 * sparc/sysv4.h (FUNCTION_BLOCK_PROFILER): Delete.
16894 (BLOCK_PROFILER): Delete.
16895 (MCOUNT_FUNCTION): New.
16897 Mon Jun 21 14:11:29 1999 David Edelsohn <edelsohn@gnu.org>
16899 * rs6000.md (movdf_hardfloat32): Fix typo in case 2.
16901 Mon Jun 21 12:27:17 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
16903 * config/mips/elf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
16906 * config/m68k/m68kelf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
16909 * config/sh/sh.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
16912 * config/arm/telf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
16915 Mon Jun 21 14:58:42 1999 Nick Clifton <nickc@cygnus.com>
16917 * config/arm/arm.h: Add cpp support for ARM920 and ARM920T cpu
16920 Mon Jun 21 06:22:21 1999 Mark Elbrecht <snowball3@bigfoot.com>
16922 * i386/djgpp.h (LIB_SPEC): New.
16923 (STARTFILE_SPEC): New.
16925 * i386/xm-djgpp.h (NO_SYS_SIGLIST): Deleted. Now obsolete.
16927 Mon Jun 21 06:19:33 1999 Philippe De Muyter <phdm@macqel.be>
16929 * fixinc/Makefile.in (gnu-regex.o): Do not define STDC_HEADERS in
16932 * system.h (WSTOPSIG): New macro.
16934 Mon Jun 21 05:33:15 1999 Mumit Khan <khan@xraylith.wisc.edu>
16936 * c-pragma.c (push_alignment): Don't ignore alignments greater than
16938 (insert_pack_attributes): Take into account member natural
16941 * i386/winnt.c (exports_head): New static variable.
16942 (i386_pe_record_exported_symbol): New function.
16943 (i386_pe_asm_file_end): Use.
16944 * i386/cygwin.h (ASM_OUTPUT_COMMON): Record the exported
16945 symbols to be emitted at end of assembly.
16946 (ASM_DECLARE_OBJECT_NAME): Likewise.
16947 (ASM_DECLARE_FUNCTION_NAME): Likewise.
16949 * i386/uwin.h (CPP_SPEC): Use -idirafter instead -iprefix and
16952 Mon Jun 21 04:44:31 1999 Jeffrey A Law (law@cygnus.com)
16954 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Fix paren error introduced
16957 Sun Jun 20 17:27:20 1999 Richard Henderson <rth@cygnus.com>
16959 * haifa-sched.c (sched_analyze_1): Use free_list instead of
16960 zapping reg_last_uses directly.
16961 (sched_analyze_2, sched_analyze_insn): Likewise.
16962 (sched_analyze): Likewise. Don't clear reg_last_uses on calls.
16964 Sun Jun 20 16:57:29 1999 David Edelsohn <edelsohn@gnu.org>
16966 * rs6000.md (movdf_hardfloat32): Use worst case insn length
16967 attributes for cases 1 and 2.
16969 Sat Jun 19 22:52:55 1999 Richard Henderson <rth@cygnus.com>
16971 * haifa-sched.c (sched_analyze): Mark call-user regs as clobbered
16974 Sat Jun 19 05:40:07 1999 Philip Blundell <pb@nexus.co.uk>
16976 * arm.c (arm_reload_in_hi): Invert sense of test on BYTES_BIG_ENDIAN.
16978 Sat Jun 19 05:25:05 1999 Richard Earnshaw (rearnsha@arm.com)
16980 * arm.h (CONDITIONAL_REGISTER_USAGE): If flag_pic, never use
16981 PIC_OFFSET_TABLE_REGNUM for general alloaction.
16982 (INITIAL_ELIMINATION_OFFSET): Count the fact that the PIC register
16983 must be stacked if it is used for PIC accesses.
16984 * arm.c (use_return_insn): Handle PIC register specially.
16985 (output_return_instruction): Likewise.
16986 (output_func_{prologue,epilogue}): Likewise.
16987 (output_expand_prologue): Likewise.
16989 * arm.md (*adddf_esfdf_df): Renamed from *adddf_df_esfdf.
16990 (*strsi_predec): Renamed from *strqi_predec.
16991 (*loadsi_shiftpreinc): Renamed from *loadqi_shiftpreinc.
16992 (*loadsi_shiftpredec): Renamed from *loadqi_shiftpredec.
16994 * arm.c (arm_override_options): Remove warning about PIC code
16995 not being supported.
16997 Fri Jun 18 23:47:06 1999 David Edelsohn <edelsohn@gnu.org>
16999 * rs6000.c (find_addr_reg): New function.
17000 * rs6000.h (find_addr_reg): Declare.
17001 (offsettable_addr_operand): Delete.
17002 * rs6000.md (movdf_hardfloat32): Handle non-offsettable loads
17003 from and stores to GPRs.
17005 Fri Jun 18 15:44:18 1999 Richard Henderson <rth@cygnus.com>
17007 * alpha.c (alpha_expand_block_move): Use get_insns rather than
17008 gen_sequence as argument to emit_no_conflict_block.
17010 Fri Jun 18 07:02 1999 Bruce Korb <ddsinc09@ix.netcom.com>
17012 * fixinc/mkfixinc.sh: enable the fixincl program for DG/UX
17013 * fixinc/inclhack.def(dgux_int_varargs): script must end with \n
17014 *fixinc/fixincl.x: regen
17015 *fixinc/inclhack.sh: regen
17017 Thu Jun 17 15:06:10 PDT 1999 Don Lindsay <dlindsay@cygnus.com>
17019 * added support for -mpcrel (PC relative addressing for m68k)
17020 based on code done by Michael Tiemann <tiemann@axon.cygnus.com>.
17021 * invoke.texi (m68000 options): Add documentation for -mpcrel flag.
17022 * m68k.c (print_operand_address): Handle 32-bit PIC case.
17023 (comments for general_src_operand): Add some explanation
17024 about EXTRA_CONSTRAINTS.
17025 (OVERRIDE_OPTIONS): Enable -fPIC in combination with -mpcrel.
17026 * m68kelf.h (OVERRIDE_OPTIONS): Ditto.
17027 (LEGITIMATE_PIC_OPERAND_P): Fix typo.
17028 (LEGITIMATE_PIC_OPERAND_P): Re-derive from m68k.h case.
17029 * m68k.h (LEGITIMATE_PIC_OPERAND_P): Fix delete-o.
17030 (INDIRECTABLE_1_ADDRESS): Delete spurious '/' at end of macro.
17031 (OVERRIDE_OPTIONS): Change behavior so that -mpcrel implies -fpic
17032 if not already set.
17033 (OVERRIDE_OPTIONS): Merge in changes from m68k.h.
17034 * m68k.h (TARGET_PCREL): New target flag.
17035 (TARGET_SWITCHES): Add "pcrel" as a recognized switch.
17036 (OVERRIDE_OPTIONS): Add checks for -mpcrel.
17037 (LEGITIMATE_PIC_OPERAND_P): Don't normally accept anything that
17038 contains a SYMBOL_REF. Relax this constraint during reload, since
17039 we want to use the predicates, not reload's built-in concept of a
17040 valid memory address, to control what insns need reloading.
17041 (EXTRA_CONSTRAINT): Define constraints to accept pc-relative
17042 operands (essentially 'g', 'm', and 's' under normal circumstances).
17043 * m68k.c (print_operand): Cause printing of pc-relative addresses
17044 to include pc register.
17045 (print_operand_address): Ditto.
17046 (general_src_operand): Accept operands that are not only
17047 general_operands, but are also valid when used as a pc-relative
17049 (nonimmediate_src_operand): Similar, for nonimmediate_operands.
17050 (memory_src_operand): Similar, for memory_operands.
17051 (pcrel_address): New predicate to accept the special case of a
17052 pc-relative address.
17053 * m68k.md (many patterns): Rewrite common SImode, HImode, and
17054 QImode insns to accept *_src_operand instead of *_operand where
17055 pc-relative operands can fit. For example, a pc-relative operand
17056 can be used as a memory source operand for addsi3, but not as a
17057 memory destination.
17058 * hp320.h linux.h m68kv4.h (LEGITIMATE_PIC_OPERAND_P) as in m68k.h.
17060 Fri Jun 18 09:11:07 1999 Nick Clifton <nickc@cygnus.com>
17062 * config/arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS): New Marco: USe
17063 .thumb_set pseudo op to mark aliases of thumb functions.
17065 Wed Jun 16 18:19:13 1999 Nick Clifton <nickc@cygnus.com>
17067 * varasm.c (assemble_alias): Use ASM_OUTPUT_DEF_FROM_DECLS in
17068 preference to ASM_OUTPUT_DEF, if it is defined.
17070 * tm.texi: Document new, optional target macro
17071 ASM_OUTPUT_DEF_FROM_DECLS.
17073 Thu Jun 17 15:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
17075 * fixincludes: ISCNTL patch
17076 * fixinc/inclhack.def (ioctl_fix_ctrl): Fix the definition of [_]*ISCTRL().
17077 (dgux_int_varargs): new for DG/UX
17078 * fixinc/{fixincl.x,inclhack.sh}: Regenerated.
17080 Thu Jun 17 21:34:24 1999 Jeff Law <law@cygnus.com>
17082 * invoke.texi (ia32 options): Fix typo.
17084 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17086 * loop.c (strength_reduce): When doing biv->giv conversion, update
17087 reg note of NEXT->insn.
17089 Thu Jun 17 14:25:08 1999 Jeffrey A Law (law@cygnus.com)
17091 * loop.c (move_movables): Note issues with replacing REGs with
17093 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Handle SUBREGs properly.
17095 Thu Jun 17 13:28:30 1999 David O'Brien <obrien@FreeBSD.org>
17097 * i386/freebsd-elf.h (LINK_SPEC): Fix typo.
17099 * i386/freebsd-elf.h (FUNCTION_PROFILER): labels are not needed and
17100 the reference to `mcount' was not correct for the ELF on FreeBSD.
17102 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17104 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
17107 (recombine_givs): Set ix field after sorting.
17109 Thu Jun 17 02:54:30 1999 Jeffrey A Law (law@cygnus.com)
17111 * emit-rtl.c (operand_subword): Tighten checks for when it is safe
17112 to safe to extract a subword out of a REG.
17114 Thu Jun 17 01:45:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17116 * sh.md (mulsi3): Don't add a no-op move at the end.
17118 Wed Jun 16 20:29:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17120 * cse.c (cse_insn): Don't put hard register source into tables for
17121 the last insn of a libcall.
17123 Wed Jun 16 19:44:33 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17125 * loop.c (strength_reduce): Insert sets of derived givs at every
17126 biv increment, even if it's the only one.
17128 Wed Jun 16 10:33:02 1999 Jason Merrill <jason@yorick.cygnus.com>
17130 * dwarfout.c (add_incomplete_type): New fn.
17131 (output_type): Call it.
17132 (retry_incomplete_types): New fn.
17133 (dwarfout_finish): Call it.
17135 From Eric Raskin <ehr@listworks.com>:
17136 (output_type): Output types for bases.
17138 Tue Jun 15 12:51:23 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
17140 * mips.c (mips_output_conditional_branch): Add `break'
17141 between `default' label and `close braces'.
17143 Tue Jun 15 01:55:20 1999 David O'Brien <obrien@FreeBSD.org>
17145 * i386/freebsd-elf.h (LINK_SPEC): clean up the linking library
17146 specifications and make it realistic.
17147 (LIB_SPEC): Likewise.
17149 Mon Jun 14 15:38:43 1999 Jim Wilson <wilson@cygnus.com>
17151 * config/mips/mips.c (mips_secondary_reload_class): Check for
17152 (PLUS (SP) (REG)) and return appropriate register class.
17153 * config/mips/mips.md (reload_insi): Delete predicate for operand 1.
17154 Handle (PLUS (SP) (REG)).
17155 (tablejump): In mips16 code, use emit_insn instead of emit_jump_insn.
17156 (tablejump_mips161, tablejump_mips162): Use emit_jump_insn instead
17157 of emit_insn for tablejump.
17159 Mon Jun 14 17:26:40 1999 David Edelsohn <edelsohn@gnu.org>
17161 * rs6000.c (output_prolog): RS6000_CALL_GLUE must be
17162 asm_fprintf format string by itself.
17163 (output_function_profiler): Likewise.
17165 Mon Jun 14 12:57:38 1999 David Mosberger <davidm@hpl.hp.com>
17167 * combine.c (simplify_logical, case AND): Only call
17168 simplify_and_const_int if the mode is no wider than HOST_WIDE_INT
17169 or the constant is positive.
17171 Mon Jun 14 11:43:41 1999 Nick Clifton <nickc@cygnus.com>
17173 * configure.in: Fix typo in rs6000-ibm-aix4 case.
17174 * configure: Regenerate.
17176 Mon Jun 14 03:55:40 1999 Jeffrey A Law (law@cygnus.com)
17178 * configure.in (rs6000-ibm-aix4.3*, powerpc-ibm-aix4.3*): Do not
17179 require a sub-version #.
17180 * configure: Rebuilt.
17182 1999-06-14 Robert Lipe (robertlipe@usa.net)
17184 * svr4.h (DWARF2_DEBUGGING_INFO): Check for redefinition.
17186 Mon Jun 14 10:30:52 BST 1999 Nathan Sidwell <nathan@acm.org>
17188 * c-typeck.c (process_init_element): Detect excess elements in
17189 char array initializer.
17191 1999-06-14 Andreas Jaeger <aj@arthur.rhein-neckar.de>
17193 * gcc.texi: Mention gcc 2.96 instead of egcs 1.00.
17195 Sat Jun 12 22:29:48 EDT 1999 Jerry Quinn <jquinn@nortelnetworks.com>
17197 * invoke.texi (Option Summary): Add -fpermissive flag.
17199 Sat Jun 12 03:40:42 1999 Jeffrey A Law (law@cygnus.com)
17201 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Do nothing with operands
17202 that require PIC code sequences.
17204 Wed Jun 9 16:29:01 1999 Nick Clifton <nickc@cygnus.com>
17206 * configure.in: Add new target: thumb-elf.
17207 * configure: Regenerate.
17208 * config/arm/t-thumb-elf: New file: Makefile fragment for
17210 * config/arm/telf.h: New file: Header file for thumb-elf
17213 Fri Jun 11 03:17:51 1999 Jeffrey A Law (law@cygnus.com)
17215 * Makefile.in (libgcc2): Pass MAYBE_USE_COLLECT2 as an argument.
17216 * libgcc2.c (__CTOR_LIST, __DTOR_LIST); Do not provide
17217 initializers is some circumstances.
17219 * fixinc/inclhack.def (endif_label): Add additional selector for
17220 more bogus stuff after #endif statements.
17221 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
17223 Thu Jun 10 20:44:36 1999 Mumit Khan <khan@xraylith.wisc.edu>
17225 * i386/cygwin.h (SET_ASM_OP): Define.
17227 Thu Jun 10 20:37:57 1999 Mumit Khan <khan@xraylith.wisc.edu>
17229 * reg-stack.c (stack_reg_life_analysis): Find all the RETURN insns.
17231 Thu Jun 10 19:23:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17233 * sh.h (TARGET_HARWARD, TARGET_HARVARD): Changed the former to the
17236 * sh.md (ic_invalidate_line_i): Remove second alternative.
17238 Thu Jun 10 06:55 1999 Bruce Korb <ddsinc09@ix.netcom.com>
17240 *fixinc/inclhack.def(sun_auth_proto): We do not know how to
17241 test for the presence of valid prototypes. Delete bypass expr.
17242 (ioctl_fix_ctrl): Correct the selection expression.
17243 (no_double_slash): Correct quoting rules
17244 *fixinc/fixincl.x: regen
17245 *fixinc/inclhack.sh: regen
17247 Thu Jun 10 15:08:15 1999 Nick Clifton <nickc@cygnus.com>
17249 * config/arm/arm.c (struct all_cores): Add ARM920 and ARM920t.
17251 Wed Jun 9 15:57:57 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
17253 * rs6000.md (movsi_got_internal_mem): Delete.
17254 * rs6000.h (CONDITIONAL_REGISTER_USAGE): Mark PIC_OFFSET_TABLE_REGNUM.
17255 (GOT_TOC_REGNUM): Delete.
17256 (PIC_OFFSET_TABLE_REGNUM): Define.
17257 (FINALIZE_PIC): Disable.
17258 * rs6000.c (rs6000_got_register): New code for fixed pic register.
17259 (rs6000_replace_regno): Delete.
17260 (rs6000_finalize_pic): Likewise.
17261 (output_prolog): Handle PIC_OFFSET_TABLE_REGNUM.
17263 Wed Jun 9 19:44:26 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17265 * loop.c (loop_insn_first_p): Don't compare LUIDs when P
17266 is a note; use <= for the compare; advance P while it is
17269 Wed Jun 9 13:12:24 1999 Jeffrey A Law (law@cygnus.com)
17271 * fixinc/inclhack.def (no_double_slash): Fix quoting for test.
17272 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh; Rebuilt.
17274 * varasm.c (remove_from_pending_weak_list): Verify t->name
17275 is non-NULL before passing it to strcmp.
17277 Wed Jun 9 06:50 1999 Bruce Korb <ddsinc09@ix.netcom.com>
17279 *fixinc/inclhack.def(sun_auth_proto): bypass the patch if
17280 the typed arguments are not part of a comment
17281 (ioctl_fix_ctrl): Added a purpose comment
17282 *fixinc/fixincl.x: regenerate
17283 *fixinc/inclhack.sh: regenerate
17285 Wed Jun 9 22:57:02 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17287 * invoke.texi: Add C4x invocation docs.
17289 Wed Jun 9 22:34:38 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17291 * config/c4x/c4x.h (TARGET_EXPOSE_LDP, LEGITIMIZE_RELOAD_ADDRESS):
17293 * config/c4x/c4x.c (c4x_emit_move_sequence, src_operand): Use
17295 (c4x_legitimize_reload_address): New function.
17296 * config/c4x/c4x.md: Update docs.
17298 Wed Jun 9 04:14:48 1999 Jeffrey A Law (law@cygnus.com)
17300 * fixincludes: Avoid removing '.'.
17301 * fixinc/fixinc.svr4: Likewise.
17302 * fixinc/fixinc.winnt: Likewise.
17303 * fixinc/inclhack.tpl: Likewise.
17304 * fixinc/fixincl.sh, fixinc/inclhack.sh: Rebuilt.
17306 1999-06-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17308 * fixinc/inclhack.def (sun_catmacro): Escape parens in the select
17310 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuilt.
17312 Wed Jun 9 03:10:34 1999 Mumit Khan <khan@xraylith.wisc.edu>
17314 * c-pragma.c (handle_pragma_token): Handle `#pragma pack()'
17317 Tue Jun 8 13:06:15 1999 Jim Wilson <wilson@cygnus.com>
17319 * configure.in (rs6000-ibm-aix4.[12]*): Change rx6000 to rs6000.
17320 * configure: Regenerate.
17322 Tue Jun 8 05:47:48 1999 Richard Earnshaw (rearnsha@arm.com)
17324 * optabs.c (expand_cmplxdiv_wide): Use expand_abs to get the absolute
17327 Mon Jun 7 22:30:37 1999 Jeffrey A Law (law@cygnus.com)
17329 * fixinc/inclhack.def (avoid_bool): Also catch
17330 "typedef [unsigned] int bool".
17331 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
17333 * m68k/x-hp3bsd44: Delete obsolete and incorrect file.
17334 * configure.in (m68k-hp-bsd4.4): No longer use x-hp3bsd44.
17335 * configure: Rebuilt.
17337 Mon Jun 7 22:05:03 1999 Mark Kettenis <kettenis@gnu.org>
17339 * config/i386/gnu.h: Include <gnu.h> right after <i386/linux.h>,
17340 such that we can override its definitions if necessary.
17341 (CPP_SPEC): New define. Support processor specific predefines via
17343 (CC1_SPEC): New define. Support processor specific compiler
17344 options via %(cc1_cpu).
17345 (STARTFILE_SPEC): New define. Use crt0.o instead of crt1.o for
17348 1999-06-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17350 * fixinc/inclhack.def (math_gcc_ifndefs): Insert whitespace
17351 between sed's -e flag, and the open-quote following it.
17352 * fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
17354 Mon Jun 7 20:34:20 1999 Robert Lipe <robertlipe@usa.net>
17355 Jeffrey A Law (law@cygnus.com)
17357 * varasm.c (assemble_start_function): Remove the function
17358 from the pending weak decls list when we define a function.
17359 (assemble_variable): Similarly for variables.
17360 (weak_finish): Ignore items on the list with a NULL name.
17361 (remove_from_ending_weak_list); New function to "remove" an item
17362 from the pending weak declarations list.
17364 Mon Jun 7 19:27:07 1999 Jerry Quinn <jquinn@nortelnetworks.com>
17366 * pa.md (fmpyfadd, fmpynfadd, fnegabs): New patterns.
17368 Mon Jun 7 14:07:39 1999 Dave Brolley <brolley@cygnus.com>
17370 * c-lex.c (GETC): Redefine to call getch.
17371 (UNGETC): Redefine to call put_back.
17372 (putback_buffer): New structure type.
17373 (putback): New static structure.
17374 (getch): New function.
17375 (put_back): New function.
17376 (yylex): Replace unused bytes from bad multibyte character.
17378 Mon Jun 7 13:33:39 1999 Dave Brolley <brolley@cygnus.com>
17380 * cpplib.c (do_define): Cast `alloca' return value.
17381 (do_include, do_undef, do_pragma): Likewise.
17382 * cpphash.c (dump_definition): Cast `xstrdup' and `alloca' return
17384 * cppfiles.c (initialize_input_buffer): Cast `xmalloc' return values.
17385 * gcc/cppspec.c (lang_specific_driver): Cast xmalloc return value.
17387 Sun Jun 6 11:58:34 1999 Jakub Jelinek <jj@ultra.linux.cz>
17389 * sparc.md (abstf2): This should be an expand.
17390 (split after abstf2_notv9): Fix mode.
17391 (abstf2_hq_v9): New pattern.
17392 (abstf2_v9): Only use when no hard quad.
17393 (absdf2_v9): Fix if target is not the same as source.
17394 (ashrsi3_extend, ashrsi3_extend2, lshrsi3_extend, lshrsi3_extend2):
17395 Add correct output constraints.
17397 Sat Jun 5 17:04:16 1999 Craig Burley <craig@jcb-sc.com>
17399 From Dave Love to egcs-patches on 20 May 1999 17:38:38 +0100:
17400 * invoke.texi: Clarify text vis-a-vis Intel CPUs.
17402 Sat Jun 5 12:11:24 1999 Mark Mitchell <mark@codesourcery.com>
17404 * mips.h (mips_output_conditional_branch): New function.
17405 (mips_adjust_insn_length): Likewise.
17406 (ASSEMBLER_SCRATCH_REGNUM): New macro.
17407 (ADJUST_INSN_LENGTH): Likewise.
17408 * mips.c (print_operand): Add `F' and `W' for floating-point
17409 comparison opcodes.
17410 (machine_dependent_reorg): Adjust MIPS16 code; instruction-lengths
17412 (mips_adjust_insn_length): New function.
17413 (mips_output_conditional_branch): New function.
17414 * mips.md (length): Adjust attribute definition to handle
17415 conditional branches. Change lengths to bytes, rather than
17416 instructions throughout. Remove length attribute from
17417 instructions whose length is four bytes, and rely on the default
17419 (dslot): Fix typo in comment.
17420 Reword conditional branch patterns to use
17421 mips_output_conditional_branch.
17423 Fri Jun 4 13:30:27 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
17425 * alpha/osf.h (CPP_SUBTARGET_SPEC): Handle -threads.
17426 (LIB_SPEC): Likewise.
17427 Link with -lprof1_r for -g/-pg.
17429 1999-06-04 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
17431 * loop.c (check_dbra_loop): Fix change of Jan 19.
17433 Fri Jun 4 00:12:40 1999 Marc Espie <espie@cvs.openbsd.org>
17435 * freebsd-elf.h (SWITCH_TAKES_ARG): Redefine, not define.
17436 (STARTFILE_SPEC): Define, override the svr4.h version.
17437 (ENDFILE_SPEC): Likewise.
17439 Thu Jun 3 23:58:55 1999 Jeffrey A Law (law@cygnus.com)
17441 * fixinc/inclhack.def (limits_ifndefs): Also apply to sys/limits.h
17442 * fixinc/fixincl.x: Regenerated.
17443 * fixinc/inclhack.sh: Regenerated.
17445 Fri Jun 4 05:42:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17447 * sh.c (barrier_align): Don't return early for normal branch/barrier
17448 when optimizing for SH2.
17450 Thu Jun 3 22:27:50 1999 Robert Lipe <robertlipe@usa.net>
17452 * i386/udk.h (LINK_SPEC): Correct linker search path for
17455 Fri Jun 4 03:20:40 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17457 * sh.c (fixup_addr_diff_vecs): Emit braf reference label.
17458 (braf_label_ref_operand): Delete.
17459 * sh.h (PREDICATE_CODES): Remove braf_label_ref_operand.
17460 * sh.md (casesi_jump_2): Operand1 is now the inside of a
17461 label_ref, and has no predicate.
17462 The patten has a predicate to guard against invalid substitutions.
17463 (dummy_jump): Delete.
17464 (casesi): Update use of casesi_jump_2.
17466 Thu Jun 3 07:48 1999 Bruce Korb <ddsinc09@ix.netcom.com>
17468 *fixinc/inclhack.def(Io_Def_Quotes): corrected sed expression
17469 *fixinc/fixincl.x: regenerate
17470 *fixinc/inclhack.sh: regenerate
17472 Thu Jun 3 02:15:07 1999 Jason Merrill <jason@yorick.cygnus.com>
17474 * dwarf2out.c (add_incomplete_type): New fn.
17475 (gen_struct_or_union_type_die): Call it.
17476 (retry_incomplete_types): New fn.
17477 (dwarf2out_finish): Call it.
17479 Thu Jun 3 01:19:03 1999 Jeffrey A Law (law@cygnus.com)
17481 * gcse.c (insert_insn_end_bb): Correct placement of insns when the
17482 current block starts with a CODE_LABEL and ends with a CALL and
17483 we can not find all the argument setup instructions for the CALL.
17485 Wed Jun 2 15:44:15 1999 Mark Mitchell <mark@codesourcery.com>
17487 Revert this change:
17488 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
17489 something is a candidate for optimize_bit_field_compare.
17491 Wed Jun 2 21:53:05 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17493 * sh.h (CONST_OK_FOR_I, CONST_OK_FOR_L): Cast VALUE to HOST_WIDE_INT.
17495 Wed Jun 2 12:25:55 1999 Richard Henderson <rth@cygnus.com>
17497 * alpha.c (override_options): Thinko in last patch.
17499 * alpha/osf.h (CPP_SUBTARGET_SPEC): Define.
17500 (LIB_SPEC): Recognize -pthread.
17502 Wed Jun 2 08:42:55 1999 Nick Clifton <nickc@cygnus.com>
17504 * config/arm/tcoff.h (USER_LABEL_PREFIX): Synchronise with
17505 definition in config/arm/coff.h
17506 * config/arm/coff.h: Add comment about USER_LABEL_PREFIX.
17508 Wed Jun 2 07:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
17510 * fixinc/fixincl.c(global def): Add FD_SHELL_SCRIPT to mark
17511 fixes that need "file=xxx\n" prepended before invocation
17512 (start_fixer - new): starting the fixer process is complex enough
17513 to warrent its own routine. It prepends the "file=xxx\n" stuff.
17514 (process): uses the new routine; omit usage of putenv()
17515 * fixinc/fixincl.tpl: mark shell scripts with FD_SHELL_SCRIPT
17516 * fixinc/fixincl.x: regenerate
17518 Wed Jun 2 02:29:07 1999 Jeffrey A Law (law@cygnus.com)
17520 * README, configure.in, gcc.1, gcc.texi: Update name (egcs -> gcc)
17521 and version #s (1.1 -> 2.96) as needed.
17522 * README.g77: Kill way out of date file in the toplevel directory.
17524 Wed Jun 2 00:52:34 1999 David O'Brien <obrien@FreeBSD.org>
17526 * configure.in (i[34567]86-*-freebsdelf): Don't include linux.h,
17527 i386/freebsd-elf.h no longer requires it. Instead include svr4.h.
17528 * configure: Rebuilt.
17529 * i386/freebsd-elf.h (DEFAULT_VTABLE_THUNKS): Define.
17530 (ASM_COMMENT_START, ASM_APP_ON, ASM_APP_OFF, SET_ASM_OP): Likewise.
17531 (PREFERRED_DEBUGGING_TYPE, WCHAR_UNSIGNED): Likewise.
17532 (SWITCH_TAKES_ARG): Likewise.
17533 * i386/freebsd.h: Remove FREEBSD_NATIVE support.
17534 * config/t-freebsd: Moved from config/i386/ so it can used for all
17537 Mon May 31 02:22:55 1999 Philippe De Muyter <phdm@macqel.be>
17539 * m68k/x-mot3300 (XCFLAGS): Fixed to match stb.o, not f/stb.o.
17541 Wed Jun 2 00:08:34 1999 Robert Lipe <robertlipe@usa.net>
17543 * configure.in (i[34567]86-*-udk*): Install headers with cpio.
17544 * configure: Rebuilt.
17546 Tue Jun 1 19:06:22 1999 David Edelsohn <edelsohn@gnu.org>
17548 * rs6000/aix41.h (RS6000_CALL_GLUE): Define.
17549 * rs6000/aix43.h (RS6000_CALL_GLUE): Likewise.
17550 * rs6000/rs6000.c (rs6000_file_start): Use putc.
17551 (rs6000_output_load_toc_table): Same.
17552 (output_prolog, output_mi_thunk): Same.
17553 * rs6000/rs6000.h (SELECT_SECTION): Formatting.
17554 (ASM_GLOBALIZE_LABEL): Use putc.
17556 Mon May 31 15:23:23 1999 Richard Henderson <rth@cygnus.com>
17558 * alpha.md (reload_*_help): New patterns and splitters.
17559 (reload_*): Use them.
17560 (mov[qh]i): Likewise.
17562 Mon May 31 11:48:07 1999 Mark Mitchell <mark@codesourcery.com>
17564 * cccp.c (handle_directive): Handle backslash-newlines in quoted
17567 Mon May 31 09:36:11 1999 Cort Dougan <cort@cs.nmt.edu>
17569 * rs6000/linux.h (LINK_SPEC): Use emulation elf32ppclinux.
17571 Mon May 31 11:40:20 EDT 1999 John Wehle (john@feith.com)
17573 * flow.c (mark_regs_live_at_end, insn_dead_p,
17574 mark_set_1, mark_used_regs): Only give FRAME_POINTER_REGNUM
17575 and HARD_FRAME_POINTER_REGNUM special treatment if reload
17576 hasn't run or the frame pointer is needed.
17577 * haifa-sched.c (attach_deaths): Likewise.
17578 * sched.c (attach_deaths): Likewise.
17580 Mon May 31 00:46:17 1999 Jeffrey A Law (law@cygnus.com)
17582 * jump.c (jump_optimize_1): Only set CAN_REACH_END if
17583 calculate_can_reach_end returns nonzero.
17585 * configure.in (native gas tests): Search for an assembler in the
17586 same manner that the installed compiler will.
17587 * configure: Rebuilt.
17588 * tm.texi (MD_EXEC_PREFIX): Note need to update configure.in too.
17590 * alias.c (find_base_term): Improve handling of addresses
17591 constructed from binary operations.
17593 Sun May 30 14:29:17 1999 Eric Raskin (ehr@listworks.com)
17595 * dgux.h (STARTFILE_SPEC): Fix incorrectly matched curly-braces.
17597 Sun May 30 14:19:13 1999 Jeffrey A Law (law@cygnus.com)
17599 * function.h (cleanup_label, frame_offset): Declare.
17600 (tail_recursion_label, tail_recursion_reentry): Likewise.
17601 (arg_pointer_save_area, rtl_expr_chain): Likewise.
17602 * stmt.c (cleanup_label, frame_offset): Delete extern declarations.
17603 (tail_recursion_label, tail_recursion_reentry): Likewise.
17604 (arg_pointer_save_area, rtl_expr_chain): Likewise.
17606 Sat May 29 19:08:10 1999 Philip Blundell <philb@gnu.org>
17608 * config/arm/aout.h (ASM_OUTPUT_ALIGN): Only define if not already
17610 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Define.
17611 (MAX_OFILE_ALIGNMENT): Define.
17613 Fri May 28 21:40 1999 Robert Lipe <robertlipe@usa.net>
17615 * fixincl.c: Replace local include scheme with #includes of
17616 gansidecl.h and system.h.
17617 * procopen.c: Likewise.
17618 * server.c: Likewise.
17620 Fri May 28 03:47:03 1999 Eric Raskin (ehr@listworks.com)
17622 * i386/t-dgux (EXTRA_PARTS): Add crti.o
17623 (crti.o): Add build rule and dependencies.
17624 * fixinc/fixinc.dgux: Use modified _int_varargs.h
17626 Fri May 28 03:41:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
17628 * rs6000/sysv4.h (CC1_SPEC): Add support for -profile
17629 (LIB_LINUX_SPEC): Likewise.
17630 (LIB_LINUX_SPEC): Add support for -pthread
17631 (CPP_OS_LINUX_SPEC): Likewise.
17632 (CPP_SYSV_SPEC): Avoid redefinitions if both -fpic and -fPIC are
17635 Thu May 27 13:04:52 1999 H.J. Lu (hjl@gnu.org)
17637 * i386.c (output_fp_cc0_set): Don't check the JUMP_INSN code for
17639 (notice_update_cc, output_float_compare): Enable TARGET_CMOVE support.
17640 (output_float_compare, output_fp_cc0_set): Fix the FLOAT comparison
17641 for IEEE math and CC_FCOMI.
17642 (put_jump_code): No IEEE if CC_FCOMI is set.
17644 1999-05-27 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
17646 * fold-const.c (fold_truthop): Make the field reference unsigned
17647 when converting a single bit compare.
17649 Thu May 27 02:40:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17651 * loop.c (strength_reduce): Don't do biv->giv conversion on constants.
17653 Thu May 27 02:09:27 1999 Jeffrey A Law (law@cygnus.com)
17655 * varasm.c (STRIP_NAME_ENCODING): Remove default definition.
17656 * output.h (STRIP_NAME_ENCODING): Strip '*' like the old varasm
17659 * reload.c (push_reload): Do not call remove_address_replacements
17660 when presented with identical optional reloads.
17662 Wed May 26 14:18:05 1999 Richard Henderson <rth@cygnus.com>
17664 * alpha.h (MASK_FIX, TARGET_FIX): New.
17665 (MASK_*): Reorganize constants.
17666 (CPP_AM_FIX_SPEC): New.
17667 (TARGET_SWITCHES): Add FIX.
17668 (EXTRA_SPECS): Likewise.
17669 (CPP_CPU_EV6_SPEC): Use FIX, not CIX.
17670 (SECONDARY_MEMORY_NEEDED): Likewise.
17671 (REGISTER_MOVE_COST): Likewise.
17672 * alpha.c (override_options): Add FIX support. Always use
17673 ALPHA_TP_PROG for ev6.
17674 * alpha.md (sqrt and mov[sd]i patterns): Use FIX, not CIX.
17675 * alpha/elf.h (ASM_FILE_START): Look at FIX too.
17676 * configure.in (target_cpu_default2) [ev6]: Use FIX, not CIX.
17678 Wed May 26 09:53:05 1999 Mark Mitchell <mark@codesourcery.com>
17680 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
17681 something is a candidate for optimize_bit_field_compare.
17683 Wed May 26 09:40:02 1999 Mark Mitchell <mark@codesourcery.com>
17685 * gcc.texi (Passes): Document branch-shortening.
17686 * invoke.texi (Debugging Options): Document the fact that `-dp'
17687 outputs length information for instructions.
17689 Wed May 26 08:49:31 1999 Nick Clifton <nickc@cygnus.com>
17691 * flow.c: Revert previous delta.
17693 Wed May 26 06:05:10 1999 Nick Clifton <nickc@cygnus.com>
17695 * flow.c (insn_dead_p): Check against frame_pointer_rtx not
17696 FRAME_POINTER_REGNUM.
17697 (mark_set_1): Ditto.
17698 (mark_used_regs): Ditto.
17700 Wed May 26 02:19:31 1999 Philip Blundell <pb@nexus.co.uk>
17702 * arm.h (NEED_PLT_GOT): Fix mistake in last change.
17703 (GOT_PCREL): New macro. Define to 1 if not already defined.
17704 * arm/elf.h (GOT_PCREL): Define to 0.
17705 * arm.c (arm_finalize_pic): Take into account the setting of
17708 Tue May 25 14:06:06 1999 Jeffrey A Law (law@cygnus.com)
17710 * output.h (STRIP_NAME_ENCODING): Provide default definition.
17711 * dwarf2out.c (ASM_NAME_TO_STRING): Use STRIP_NAME_ENCODING.
17713 * flow.c (mark_set_1): Do not record BLKmode stores as dead
17714 store elimination candidates.
17716 Tue May 25 08:55:57 1999 Gavin Romig-Koch <gavin@cygnus.com>
17718 * config/mips/mips.h (ASM_OUTPUT_DOUBLE_INT) : Use 'dword' if
17721 Mon May 24 20:30:08 1999 Jim Wilson <wilson@cygnus.com>
17723 * configure.in (rs6000-ibm-aix4.[12]*): Delete use of aix41-gld.h.
17724 Add use of x-aix41-gld.
17726 Mon May 24 16:44:09 1999 Jakub Jelinek <jj@ultra.linux.cz>
17728 * sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Define.
17729 (ASM_OUTPUT_DESTRUCTOR): Define.
17731 Mon May 24 14:35:24 1999 Jeffrey A Law (law@cygnus.com)
17733 * loop.c (strength_reduce): Do not clear NOT_EVERY_ITERATION at the
17734 last CODE_LABEL in a loop if we have previously passed a jump
17735 to the top of the loop.
17737 Mon May 24 07:56:29 1999 Nick Clifton <nickc@cygnus.com>
17739 * config/arm/arm.h (OUTPUT_INT_ADDR_CONST): Fix blunder made when
17740 applying Philip's patch.
17742 Mon May 24 01:02:12 1999 Mark Mitchell <mark@codesourcery.com>
17744 * stmt.c (expand_end_bindings): Ignore any elements of VARS that
17747 Sun May 23 20:31:16 1999 Jeffrey A Law (law@cygnus.com)
17749 * loop.c (strength_reduce): Grow reg_single_usage as needed.
17751 Sun May 23 10:13:20 1999 David O'Brien <obrien@FreeBSD.org>
17753 * i386/freebsd-elf.h (LINK_SPEC): Change -static to -Bstatic.
17754 Also remove a useless comment.
17756 Sun May 23 10:05:23 1999 Jerry Quinn <jquinn@nortelnetworks.com>
17758 * pa.md (negdf2,negsf2): Use fneg instead of fsub on pa 2.0.
17760 Sat May 22 21:02:06 1999 David Edelsohn <edelsohn@gnu.org>
17762 * collect2.c (main): Only generate import or export file and add
17763 to link arguments if non-empty. Use xmalloc not alloca.
17764 (write_{export,import}_file): Delete.
17765 (write_aix_file): New function.
17766 (locatelib): Use xmalloc not malloc.
17767 (GCC_OK_SYMBOL): Do not check type if aix64.
17769 Sat May 22 09:35:51 1999 Philip Blundell <pb@nexus.co.uk>
17771 Based on patch by Scott Bambrough and Pat Beirne:
17772 * config/arm/arm.c (making_const_table): New variable.
17773 * config/arm/arm.h (making_const_table): Declare.
17774 (OUTPUT_INT_ADDR_CONST): Mark symbols as position independent if
17776 * config/arm/arm.md (consttable_4, consttable_8, consttable_end):
17777 Keep track of when we are building the constant table.
17779 Sat May 22 09:34:22 1999 Philip Blundell <pb@nexus.co.uk>
17781 * config/arm/arm.c (arm_override_options): Fix erroneous warning
17784 Sat May 22 09:06:33 1999 Nick Clifton <nickc@cygnus.com>
17786 * config/arm/arm.h (NEED_PLT_GOT): Only define if not already
17789 Sat May 22 07:17:05 1999 Nick Clifton <nickc@cygnus.com>
17791 * tm.texi (FUNCTION_ARG): Correct description of a stack element
17794 Sat May 22 01:27:49 1999 Mark Mitchell <mark@codesourcery.com>
17796 * expr.h (lang_expand_constant): Guard with #ifdef TREE_CODE.
17798 Fri May 21 21:19:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
17800 * rs6000.c (output_mi_thunk): Enable full support again.
17802 Fri May 21 20:09:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17804 * sh.h (BRANCH_COST): Define.
17806 Thu May 20 10:00:42 1999 Stephen L Moshier <moshier@world.std.com>
17808 * Makefile.in (GCC_FOR_TARGET): Add -I$(build_tooldir)/include.
17810 Thu May 20 09:58:57 1999 Jan Hubicka <hubicka@freesoft.cz>
17812 * function.c (assign_stack_local): Align stack slot propertly.
17813 (assign_outer_stack_local): Likewise.
17815 Thu May 20 10:38:43 1999 Mark Mitchell <mark@codesourcery.com>
17817 * expr.h (lang_expand_constant): Declare.
17818 * toplev.c (lang_expand_constant): Define it.
17819 * varasm.c (output_constant): Use it.
17821 Thu May 20 11:28:53 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17823 * optabs.c (expand_cmplxdiv_straight, expand_cmplxdiv_wide):
17824 Change function definitions to K&R style.
17826 Thu May 20 08:16:39 1999 Bruce Korb <ddsinc09@ix.netcom.com>
17828 * fixinc/fixincl.c: We must not ignore SIGCLD now.
17830 Thu May 20 07:06:39 1999 Alexandre Oliva <aoliva@acm.org>
17832 * fixinc/Makefile.in(gnu-regex.o): add $(INCLUDES) to compile options
17833 * fixinc/fixincl.c(wait_for_pid): K&R-ify arguments
17834 (several places): omit static initialization
17835 (process): use single fd, since only the read fd is used
17836 * fixinc/gnu-regex.c: define 'const' away, if not supported
17837 * fixinc/procopen.c(several places): omit static initialization
17838 * fixinc/server.c: define 'volitile' away, if not supported
17840 1999-05-20 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
17842 * config/dbxcoff.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Use
17843 asm_fprintf and %L to generate the label name.
17844 * config/dbxelf.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Likewise.
17845 (ASM_OUTPUT_SOURCE_LINE): Correct generation of internal labels.
17847 Thu May 20 01:40:55 1999 Jeffrey A Law (law@cygnus.com)
17849 * jump.c (can_reverse_comparison_p): Do not abort if the comparison
17850 insn for a conditional jump can not be found.
17852 Wed May 19 23:58:58 1999 Jeffrey A Law (law@cygnus.com)
17854 * mips.h (ENCODE_SECTION_INFO): Do not perform GP optimizations
17855 on variables in specific sections other than .sbss and .sdata.
17857 Wed May 19 03:56:56 1999 Mark Mitchell <mark@codesourcery.com>
17859 * stmt.c (expand_return): Call start_cleanup_deferral and
17860 end_cleanup_deferral around conditional code.
17862 Wed May 19 08:40:08 1999 Bruce Korb <ddsinc09@ix.netcom.com>
17864 * fixinc/fixincl.tpl: Avoid depending on ANSI C features for
17865 filename lists. Utilizes new "krstr" AutoGen function.
17866 * fixinc/fixincl.x: Rebuilt.
17868 Wed May 19 02:47:11 1999 Jan Hubicka (hubicka@freesoft.cz)
17870 * i386.c (output_float_compare): Avoid GNU-C extensions.
17872 Wed May 19 00:34:40 1999 Jeffrey A Law (law@cygnus.com)
17874 * version.c: Bump to distinguish mainline tree from the
17877 See ChangeLog.1 for earlier changes.