1 2000-02-11 Robert Lipe <robertl@sco.com>
3 * Makefile.in (bootstrap-lean): Remove additional files.
4 (bootstrap2-lean): Likewise. (VOL_FILES): List of files for above.
6 2000-02-11 Nathan Sidwell <nathan@acm.org>
8 * cpphash.c (special_symbol): Remove spurious argument to
11 2000-02-11 Joel Sherrill (joel@OARcorp.com>
13 * configure.in: (i*86-*-rtems*): Swapped elf and coff
17 2000-02-11 Rodney Brown <RodneyBrown@pmsc.com>
19 * pa-protos.h: Wrap function_arg_padding in TREE_CODE #ifdef.
21 Fri Feb 11 02:59:05 2000 Jeffrey A Law (law@cygnus.com)
23 * pa.c, pa.h: Remove trigraph sequences within comments.
25 Fri Feb 11 02:51:56 2000 Pavel Roskin <pavel_roskin@geocities.com>
27 * invoke.texi (PPC Options): -mno-new-mnenomics -> -mold-mnemonics.
29 Fri Feb 11 02:48:30 2000 Brad Lucier (lucier@math.purdue.edu)
31 * sbitmap.h: Make SBITMAP_ELT_BITS unsigned.
33 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
35 * config/c4x/c4x.c (fp_zero_operand): Check for CONST_DOUBLE.
37 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
39 * config/c4x/c4x.h (ASM_GLOBALIZE_LABEL): Use c4x_global_label.
40 (ASM_OUTPUT_EXTERNAL): Use c4x_external_ref.
41 (ASM_OUTPUT_EXTERNAL_LIBCALL): Likewise.
42 (ASM_FILE_END): Use c4x_file_end.
43 * config/c4x/c4x.c (c4x_global_label): New function.
44 (c4x_external_ref, c4x_file_end): Likewise.
46 * config/c4x/c4x-protos.h (c4x_global_label): Add prototype.
47 (c4x_external_ref, c4x_end_file): Likewise.
49 2000-02-10 Zack Weinberg <zack@wolery.cumb.org>
51 * cppexp.c: Don't include cpphash.h.
52 (parse_charconst, cpp_lex): Use cpp_defined.
53 (cpp_lex): Use get_directive_token throughout. Remove
54 unnecessary cases from switch. Move assertion-handling code
56 (cpp_parse_expr): If we see '+' or '-', check the context to
57 determine if they are unary or binary operators. Streamline
58 the jumps a bit. Do not call skip_rest_of_line.
60 * cpplib.c: Make skip_rest_of_line and cpp_skip_hspace
61 static. Export get_directive_token. Update commentary.
62 (cpp_defined): New function.
63 (do_define): Remove reference to T_PCSTRING. Call
64 free_definition to release memory for old definition, when
66 (eval_if_expression): Set only_seen_white to 0 before calling
67 cpp_parse_expr. Call skip_rest_of_line after it returns.
68 (cpp_read_check_assertion): Don't preserve a pointer into the
69 token buffer across a call to cpp_get_token.
71 * Makefile.in (cppexp.o): Don't depend on cpphash.h.
72 * cppfiles.c (redundant_include_p): Use cpp_defined.
73 * cpphash.c (free_definition): New function.
74 (delete_macro): Use it. Update commentary.
75 * cpphash.h: Typedef HASHNODE here. Prototype cpp_lookup and
77 * cpplib.h: Don't typedef HASHNODE here. Delete T_PCSTRING
78 from enum node_type. Prototype cpp_defined and get_directive_token.
79 Don't prototype cpp_lookup, skip_rest_of_line, or cpp_skip_hspace.
81 * fix-header.c (check_macro_names): Use cpp_defined.
82 (read_scan_file): Set inhibit_warnings and inhibit_errors in
83 the options structure.
85 2000-02-10 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
87 * c-pragma.c (maximum_field_alignment): Remove duplicate declaration.
89 2000-02-10 Jason Merrill <jason@casey.cygnus.com>
91 * dwarf2out.c (add_abstract_origin_attribute): Check TREE_CODE (origin)
92 rather than die->die_tag.
94 Thu Feb 10 16:26:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
96 * combine.c (make_extraction, force_to_mode): Avoid warning on
97 mixed-signedness conditionals.
98 (make_field_assignment, nonzero_bits): Likewise.
99 * expmed.c (store_fixed_bit_field): ALIGN arg now unsigned.
100 (store_split_bit_field, extract_split_bit_field): Likewise.
101 (extract_fixed_bit_field, store_bit_field,
102 * expr.c: Change alignment to be unsigned everywhere.
103 (move_by_pieces, store_constructor_field, store_constructor):
104 Alignment parm is unsigned.
105 (emit_block_move, emit_group_load, emit_group_store): Likewise.
106 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
107 (do_compare_rtx_and_jump): Likewise.
108 (move_by_pieces_ninsns, clear_by_pieces): Likewise.
109 Compare align with GET_MODE_ALIGNMENT.
110 (expand_expr_unaligned): Pointer to alignment is pointer to unsigned.
111 (get_inner_reference): Likewise.
112 (copy_blkmode_from_reg, emit_push_insn): Remove unneeded casts.
113 (expand_assignment): Local vars for alignment now unsigned.
114 (store_constructor, store_field, expand_expr, do_jump): Likewise.
115 (do_compare_and_jump): Likewise.
116 (store_field): Call new function expr_align.
117 * expr.h (emit_block_move, emit_group_load, emit_group_store):
118 Alignment arg now unsigned.
119 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
120 (do_compare_rtx_and_jump, store_bit_field): Likewise.
121 (extract_bit_field): Likewise.
122 * fold-const.c (add_double): Add cast to eliminate signedness warning.
123 * machmode.h (GET_MODE_ALIGNMENT): Result is unsigned.
124 (get_best_mode): Alignment arg is unsigned.
125 * rtl.h (move_by_pieces): Likewise.
126 * store-layout.c (maximum_field_alignment, set_alignment):
128 (layout_decl): Alignment arg is now unsigned.
129 Remove unneeded casts.
130 (layout_record, layout_union, layout_type): Remove unneeded casts.
131 Local alignment variables now unsigned.
132 (get_best_mode): Alignment arg now unsigned.
133 * tree.c (expr_align): New function.
134 * tree.h (expr_align): Likewise.
135 (maximum_field_alignment, set_alignment): Now unsigned.
136 (get_inner_reference): Alignment argument is now pointer to unsigned.
137 * varasm.c (assemble_variable): Add cast to eliminate warning.
139 Thu Feb 10 12:56:47 2000 Jim Wilson <wilson@cygnus.com>
141 * expmed.c (store_bit_field): If op0 and fieldmode are the same size,
142 then store directly into op0.
144 * calls.c (expand_call): When emitting a NOTE_INSN_SETJMP, search for
145 the CALL_INSN, and emit the note immediately after it.
147 2000-02-10 Nick Clifton <nickc@cygnus.com>
149 * config/arm/thumb.md (epilogue): Include a (return) in the
150 generated insn, and emit it using emit_jump_insn not
153 Thu Feb 10 18:28:59 MET 2000 Jan Hubicka <jh@suse.cz>
155 * function.c (assign_temp): Change zero-sized arrays to size 1.
156 * integrate.c (expand_inline_function): Do not update
157 stack_alignment_needed
158 * i386.c (compute_frame_size): Remove #ifdef PREFERRED_FRAME_BOUNDARY,
159 add some sanity checking, remove optimization for function with
162 2000-02-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
164 * flow.c (mark_regs_live_at_end): Delete unused variables.
166 * ggc-page.c (ggc_page_print_statistics): bzero -> memset.
168 * integrate.c (copy_rtx_and_substitute): Wrap variable `alignment'
169 in macro FRAME_GROWS_DOWNWARD.
171 * stmt.c (expand_end_bindings): Delete unused variable.
173 * unroll.c (iteration_info): Mark parameter `loop' with
176 2000-02-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
178 * fixinc/server.c (load_data): Return NULL if the marker line is
180 (run_shell): If load_data returns NULL, retry the command once, in
183 * configure: Rebuilt.
185 2000-02-09 Bruce Korb <bkorb@gnu.org>
187 * gcc/fixincludes: ** DELETED **
188 * gcc/fixcpp: ** DELETED **
189 * gcc/fixinc-nt.sed: ** DELETED **
190 * gcc/just-fixinc: ** DELETED **
191 * gcc/Makefile.in: Removed out-dated commentary
192 * gcc/configure.in: Removed fast-fixincludes disablement.
193 * MAINTAINERS(Ian Taylor) moved to "Write after approval" group.
195 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
196 * function.c (thread_prologue_and_epilogue_insns): Uncomment
199 2000-02-09 Richard Henderson <rth@cygnus.com>
201 * jump.c (delete_insn): Don't delete user labels at -O0.
203 2000-02-09 Robert Lipe <robertl@sco.com>
205 * Makefile.in (gen-protos): Don't depend on HOST_LIBDEPS.
206 Don't link with HOST_LIBS.
208 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
210 * configure.in: Correct --help text for --with-dwarf2.
211 Put tm-dwarf2.h after other tm files, if it's requested.
212 * configure: Regenerate.
213 * config/tm-dwarf2.h: #undef PREFERRED_DEBUGGING_TYPE before
216 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
218 * cpplib.h: Provide HASHNODE typedef and forward decl of
219 struct hashnode only. Kill cpp_hashnode typedef. MACRODEF,
220 DEFINITION, struct hashnode, struct macrodef, struct
221 definition, scan_decls prototype, default defn of
222 INCLUDE_LEN_FUDGE moved elsewhere.
224 * cpphash.h: MACRODEF, DEFINITION, struct macrodef, struct
225 definition, and struct hashnode moved here. Remove the unused
226 'predefined' field from struct definition. Replace the 'args'
227 union with its sole member. All users updated (cpphash.c).
228 Delete HASHSTEP and MAKE_POS macros, and hashf prototype. Add
229 multiple include guard.
231 * cpphash.c (hashf): Make static; use better algorithm; drop
232 HASHSIZE parameter; return an unsigned int.
233 (cpp_lookup): Drop HASH parameter. PFILE parameter is
234 used. Calculate HASHSIZE modulus here.
235 (cpp_install): Drop HASH parameter. Calculate HASHSIZE modulus
237 (create_definition): Drop PREDEFINITION parameter.
238 * cpplib.c (do_define): Don't calculate a hash value here.
239 Don't pass (keyword == NULL) to create_definition.
241 * scan.h: Prototype scan_decls here.
242 * cppfiles.c: Move INCLUDE_LEN_FUDGE default defn here.
243 * cppexp.c, cppfiles.c, cppinit.c, cpplib.c, fix-header.c: All
244 callers of cpp_lookup and cpp_install updated.
246 * cpphash.c (macarg): Hoist all the flag diddling out of the
248 (macroexpand): ... and out of the loop that calls macarg.
249 Skip over the initial paren before macro arguments with
250 cpp_get_non_space_token; point may be some distance before
251 that paren. Abort if it's not there.
253 * cpplib.c (parse_clear_mark): Delete function.
254 (parse_set_mark, parse_goto_mark): Make static.
255 (ACTIVE_MARK_P): New macro.
256 (skip_block_comment, skip_line_comment): Do not bump the line
257 if ACTIVE_MARK_P is true.
258 (cpp_pop_buffer): The buffer to be popped may not have an
260 (cpp_get_token): When looking for the initial paren before
261 macro arguments, only set a mark in a file buffer, Always
262 return to that mark before proceeding to call macroexpand or
265 * cpplib.h: Remove prototypes of parse_set_mark,
266 parse_clear_mark, parse_goto_mark.
267 (struct cpp_options): Rename 'put_out_comments' to
268 'discard_comments' and invert its sense.
269 * cppinit.c, cpphash.c, cpplib.c: All users of
270 put_out_comments changed to use discard_comments, with
273 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
275 * function.c (thread_prologue_and_epilogue_insns): Don't delete
276 the edge from a block that both jumps and falls through to the
279 2000-02-09 Scott Bambrough <scottb@netwinder.org>
281 * config/arm/arm.md (movsi): In PIC mode, make sure that a
282 constant source address is legitimate.
284 2000-02-09 Philip Blundell <pb@futuretv.com>
286 * config/arm/arm.c (legitimize_pic_address): Handle LABEL_REF
289 * config/arm/arm.h (LEGITIMATE_CONSTANT_P): Allow anything when
291 (LEGITIMATE_PIC_OPERAND): Disallow references to labels.
293 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
295 * cpplib.c (cpp_define, cpp_undef): Make sure the stacked buffer
296 ends with a newline and a NUL. Don't be so clever manipulating
299 Wed Feb 9 14:18:08 MET 2000 Jan Hubicka <jh@suse.cz>
301 * reload1.c (reload) Align stack frame to cfun->stack_alignment_needed,
302 not to BIGGEST_ALIGNMENT.
304 2000-02-08 Geoff Keating <geoffk@cygnus.com>
306 * dwarf2.h (DW_CFA_GNU_negative_offset_extended): New constant.
307 * dwarf2out.c (dwarf_cfi_name): Print name of new constant.
308 (reg_save): Use DW_CFA_GNU_negative_offset_extended when needed.
309 (output_cfi): Handle output of DW_CFA_GNU_negative_offset_extended.
310 * frame.c (execute_cfa_insn): Handle
311 DW_CFA_GNU_negative_offset_extended.
313 2000-02-08 Richard Henderson <rth@cygnus.com>
315 * flow.c (tidy_fallthru_edges): Split out from ...
316 (delete_unreachable_blocks): ... here.
317 (find_basic_blocks): Use it.
319 Tue Feb 8 15:51:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
321 * stmt.c (expand_decl): Do set RTX_UNCHANGING_P for TREE_READONLY.
323 2000-02-08 Zack Weinberg <zack@wolery.cumb.org>
325 * Makefile.in (GEN_PROTOS_OBJS): Remove libcpp.a.
326 (gen_protos.o): Don't depend on cpplib.h or cpphash.h.
327 (fix-header.o): Don't depend on cpphash.h.
329 * scan.c (hashstr): New function.
330 * scan.h: Prototype it.
331 * fix-header.c: Don't include cpphash.h. Use hashstr.
332 * gen-protos.c: Don't include cpphash.h or cpplib.h. Use
333 hashstr. Report hash table statistics. Add private
334 definition of xrealloc.
336 2000-02-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
338 * i386.h (TARGET_SWITCHES): Fix typo in option name.
340 2000-02-08 Clinton Popetz <cpopetz@cygnus.com>
342 * function.c (thread_prologue_and_epilogue_insns): Don't replace
343 jumps with returns unless they are jumps to the fallthru block.
345 Tue Feb 8 07:53:55 2000 Jan Hubicka <jh@suse.cz>
347 * i386.md (addqi3_cc): Fix contraints.
349 Tue Feb 8 01:39:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
351 * function.c (emit_return_into_block): Wrap in #ifdef HAVE_return.
353 2000-02-07 Mark Mitchell <mark@codesourcery.com>
355 * cpplib.c (cpp_get_token): Call CPP_BUMP_LINE after reading a
356 carriage return after a macro name.
358 2000-02-07 Fred Fish <fnf@be.com>
360 * i386/beos-elf.h: (ASM_IDENTIFY_GCC): Define to nothing
361 so the gcc2_compiled symbol doesn't confuse BeOS debuggers.
363 2000-02-07 Zack Weinberg <zack@wolery.cumb.org>
365 * cppfiles.c (deps_output): Count spacers in deps_column.
367 2000-02-07 Neil Booth <NeilB@earthling.net>
369 * cppinit.c (initialize_dependency_output): If there is no
370 suffix, don't try to look for known suffixes. Use strrchr.
371 (cpp_start_read): Remove duplicate initialization.
373 Mon Feb 7 18:36:41 MET 2000 Jan Hubicka <jh@suse.cz>
375 * calls.c (compute_argument_block_size): New argument
376 preferred_stack_boundary.
377 (expand_call): update cfun->preferred_stack_boundary, update call of
378 compute_argument_block_size
379 (emit_library_call): Increate cfun->preferred_stack_boundary
380 to PREFERRED_STACK_BOUNDARY
381 (emit_library_call_value): Likewise.
382 * explow.c (allocate_dynamic_stack_spave): Likewise.
383 * function.c (prepare_function_start): Set
384 cfun->preferred_stack_boundary
385 * function.h (struct function): Add preferred_stack_boundary field.
386 * integrate.c (expand_inline_function): Update
387 cfun->preferred_stack_boundary and cfun->stack_alignment_needed.
388 (copy_rtx_and_substitute): Align frame to stack_alignment_needed only.
389 * i386.c (compute_frame_size): Use cfun->preferred_stack_boundary.
391 2000-02-06 Zack Weinberg <zack@wolery.cumb.org>
393 * cpplib.c (my_strerror, cpp_error, cpp_error_with_line,
394 cpp_error_from_errno, cpp_warning, cpp_warning_with_line,
395 cpp_pedwarn, cpp_pedwarn_with_line,
396 cpp_pedwarn_with_file_and_line): Move to cpperror.c.
397 (cpp_print_file_and_line, v_cpp_error, v_cpp_warning,
398 v_cpp_error_with_line, v_cpp_warning_with_line,
399 cpp_message_from_errno, cpp_perror_with_name): Delete.
401 * cpperror.c (cpp_print_containing_files): Take starting
403 (cpp_file_line_for_message): Rename to cpp_print_file_and_line.
404 (v_cpp_message): Now called directly by all entry points.
406 (cpp_pfatal_with_name, cpp_message): Delete.
407 (cpp_notice_from_errno, cpp_ice): New functions.
408 (cpp_notice): Is now for reporting error conditions, just
409 without an associated file.
410 (cpp_error, cpp_error_with_line): Don't do anything if
411 opts->inhibit_errors is on.
412 (cpp_pedwarn_with_file_and_line): Take column argument also.
414 * cpplib.h: Update prototypes of exported functions.
415 (struct cpp_options): Add inhibit_errors.
417 * cppalloc.c, cppfiles.c: Use fprintf not cpp_notice for
418 non-error messages. Include intl.h.
420 * cppinit.c, cppmain.c: Likewise. Also, use
421 cpp_notice_from_errno instead of cpp_perror_with_name or
422 cpp_pfatal_with_name, and cpp_notice instead of cpp_message.
424 * cppexp.c, cpphash.c, cppinit.c, cpplib.c: Use cpp_ice to
425 report internal errors.
427 * cpplib.c (do_define): Switch bcopy to memcpy.
428 Give cpp_pedwarn_with_file_and_line a dummy column argument.
430 * cpplib.c (copy_rest_of_line): Revert previous change: don't
431 bail out early if we hit a line comment.
433 2000-02-06 Richard Henderson <rth@cygnus.com>
435 * flow.c (flow_delete_insn, make_edge, remove_edge): Export.
436 * basic-block.h: Declare them.
437 * emit-rtl.h (active_insn_p): New.
438 (next_active_insn, prev_active_insn): Use it.
440 * function.c (emit_return_into_block): New.
441 (thread_prologue_and_epilogue_insns): Insert return insns instead
442 of epilogues when possible.
443 * jump.c (jump_optimize_1): Remove code to insert a return insn
444 on the fallthru to the exit block.
446 * i386.c (ix86_can_use_return_insn_p): Fail for large poped args
447 and for non-empty stack frames.
448 * i386.md (return): Expand to return-pop as needed.
450 2000-02-06 Richard Henderson <rth@cygnus.com>
452 * simplify-rtx.c (simplify_relational_operation): Canonicalize
453 constant to op1 for testing.
455 2000-02-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
457 * config/c4x/c4x.md (*ldi_on_overflow): New pattern.
458 (fixuns_truncqfqi2): Use it.
460 2000-02-06 Richard Henderson <rth@cygnus.com>
462 * i386.c (ix86_agi_dependant): Handle pro_epilogue_adjust_stack
465 * i386.md (widening and peepholes): Mask the constant instead of
468 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
470 * cppfiles.c (read_and_prescan) [case SPECCASE_QUESTION]: Bump
471 input pointer before possibly branching off to the backslash
473 * cpphash.c (macroexpand): Correctly delete \r escapes when
474 stringifying parameters.
475 * cpplib.c (copy_rest_of_line): Go directly to skip_block_comment
476 if we can; bail out early if we hit a line comment.
477 (handle_directive): Treat '# 123' in an .S file just like
478 '# <punctuation>'. Discard the shifted '#' if we hit '#\n'.
479 Return 1 for '# not_a_directive'.
480 (get_directive_token): Pop macro buffers here, so that
481 cpp_get_token can't sneakily move past a newline.
483 (cpp_get_token): goto randomchar if handle_directive returns 0.
485 * cppalloc.c: Update copyright.
486 * cpplib.c: Merge all the static function prototypes into one
488 * cpplib.h: Remove #if 0 block.
490 * cpperror.c: Remove #ifdef EMACS block.
491 * cppmain.c: Likewise.
492 * cpphash.c: Remove #if 0 blocks.
493 * cppinit.c: Remove #if 0 blocks, and the -lint option.
494 * cpplib.c: Remove #if 0 blocks and code referencing
495 pcp_inside_if or for_lint. Remove duplicate error message.
496 Fix error messages for #else after #else or #elif. Reformat.
497 Remove archaic TODO list.
498 * cpplib.h: Remove pcp_inside_if and for_lint flags.
500 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
502 * i386/osf1elf.h: Add missing backslash to multiline string.
504 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
506 * longlong.h [sparc] (udiv_qrnnd): Avoid stringifying macro arg.
508 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
510 * Makefile.in (c-common.o): Depend on $(EXPR_H).
512 * c-common.c: Include expr.h.
514 * c-pragma.c (mark_align_stack): Add prototype.
516 * caller-save.c (add_stored_regs): Likewise.
518 * combine.c (record_promoted_value): Likewise.
520 * i386.c (ix86_sched_reorder_pentium, ix86_sched_reorder_ppro):
523 * cppinit.c (new_pending_define): Likewise.
525 * cpplib.c (skip_block_comment, skip_line_comment): Likewise.
527 * dwarf2out.c (save_rtx, splice_child_die, reverse_die_lists,
528 AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
529 AT_addr, AT_lbl, get_AT_ref, free_AT, free_die, local_scope_p,
530 class_scope_p): Likewise.
532 * dwarf2out.h (dwarf2out_set_demangle_name_func,
533 dwarf2out_add_library_unit_info): Likewise.
535 * ggc.h (ggc_page_print_statistics): Likewise.
537 * haifa-sched.c (propagate_deps): Likewise.
539 * reg-stack.c (next_flags_user, record_label_references): Likewise.
541 * rtl.h (set_stack_check_libfunc): Likewise.
543 * toplev.h (set_fatal_function): Likewise.
545 * toplev.c (set_fatal_function): Delete prototype.
547 * diagnostic.c: Deconstify functions returning malloc'ed ptrs.
549 2000-02-05 Geoff Keating <geoffk@cygnus.com>
551 * ginclude/ppc-asm.h (FUNC_START): Use USER_LABEL_PREFIX.
552 (FUNC_END): Likewise.
554 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
556 * caller-save.c: Include tm_p.h.
558 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
560 * Makefile.in (libgcc.a): Add $(LIBGCC1) to libgcc.a after $(LIBGCC2).
562 2000-02-04 Neil Booth <NeilB@earthling.net>
564 * cccp.c (main): Check 'dir' for a NULL pointer before passing
567 2000-02-04 Zack Weinberg <zack@wolery.cumb.org>
569 * recog.h: Remove NO_MD_PROTOTYPES ifdefs.
570 * genflags.c: Use the max_operand_1 logic from genemit.c to
571 calculate how many arguments gen_insn prototypes have. Remove
572 NO_MD_PROTOTYPES ifdefs from the generated file.
573 * genoutput.c: Don't define NO_MD_PROTOTYPES in the generated
574 file. Cast gen_insn initializers to insn_gen_fn.
575 * config/alpha/vms.h: Don't define NO_MD_PROTOTYPES.
576 * gcc.texi: Remove documentation of NO_MD_PROTOTYPES.
578 2000-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
580 * fixinc/Makefile.in (HDR): Add machname.h.
583 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
585 * config/c4x/c4x.h (c4x_compare_op0, c4x_compare_op1): Move ...
586 (c4x_regclass_map, c4x_caller_save_map, c4x_rpts_cycles): Ditto.
587 (c4x_cpu_version): Ditto.
588 * config/c4x/c4x-protos.h: ... here.
590 2000-02-04 Jason Merrill <jason@casey.cygnus.com>
592 * dwarf2out.c (add_abstract_origin_attribute): Don't call
593 gen_abstract_function on our context if we're a nested function.
595 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
597 * config/c4x/c4x.md (fixuns_truncqfqi2): Rewrite.
598 * config/c4x/libgcc.S (ufix_truncqfhi2n): Fix.
600 2000-02-04 Bruce Korb <bkorb@gnu.org>
602 * fixinc/genfixes(machname.h):
603 Move the functionality from gen-machine.h into this file.
604 UNdef MN_NAME_PAT if there are no names to change.
605 Also, be a little kinder when AutoGen is not present.
607 * fixinc/Makefile.in(machname.h):
608 Change the generation rule to use genfixes.
610 * fixinc/fixfixes.c(machine_name):
611 machine_name_fix's functionality now dependent upon whether
612 MN_NAME_PAT is defined.
614 * fixinc/fixtests.c(machine_name):
617 * fixinc/fixlib.c(mn_get_regexps): conditional on definition
620 * fixinc/fixlib.h(mn_get_regexps):
623 * fixinc/gen-machine.h: DELETED
625 2000-02-04 Jan Hubicka <jh@suse.cz>
626 Richard Henderson <rth@cygnus.com>
628 * i386.c (SAVE_REGS_FIRST): Remove.
629 (ix86_initial_elimination_offset): Handle only SAVE_REGS_FIRST mode.
630 (ix86_compute_frame_size): Likewise.
631 (ix86_expand_prologue): Likewise. Use pro_epilogue_adjust_stack.
632 (ix86_emit_restore_regs): Remove.
633 (ix86_emit_epilogue_esp_adjustment): Use pro_epilogue_adjust_stack
634 when a frame pointer is in use.
635 (ix86_expand_epilogue): Handle only SAVE_REGS_FIRST mode. Use mov
636 instead of pop to restore a register when profitable; emit leave
638 (ix86_attr_length_default): Handle pro_epilogue_adjust_stack
640 (ix86_adjust_cost): Handle pro_epilogue_adjust_stack as TYPE_ALU.
641 * i386.md (prologue_allocate_stack): Remove.
642 (epilogue_deallocate_stack): Remove.
643 (pro_epilogue_adjust_stack): New.
645 2000-02-04 Richard Henderson <rth@cygnus.com>
647 * function.c (diddle_return_value): Rework to use a callback function.
648 Use current_function_return_rtx if it's been set up.
649 (do_clobber_return_reg, clobber_return_register): New.
650 (do_use_return_reg, use_return_register): New.
651 (expand_function_end): Use them.
652 * stmt.c (expand_null_return): Likewise.
653 * function.h: Declare them.
654 * flow.c (mark_regs_live_at_end): Use diddle_return_value.
655 (mark_reg): Change arguments as appropriate for callback.
656 * integrate.c (expand_inline_function): Revert 19 Jan change.
658 Fri Feb 4 20:25:42 2000 Hans-Peter Nilsson <hp@bitrange.com>
660 * tm.texi (Values in Registers): Fix typo: "fo" "for".
661 (Misc): Say the scheduler, not the Haifa scheduler.
663 2000-02-04 Clinton Popetz <cpopetz@cygnus.com>
665 * jump.c (mark_jump_label): Add in_mem param, check SYMBOL_REFs
666 when in_mem is set. Update all callers.
668 2000-02-04 Richard Henderson <rth@cygnus.com>
670 * i386/openbsd.h (INT_ASM_OP): Define.
672 Fri Feb 4 10:51:30 2000 Hans-Peter Nilsson <hp@bitrange.com>
674 * tm.texi: Fix various typos.
676 Thu Feb 3 17:17:32 2000 Steve Ellcey <sje@cup.hp.com>
678 * config/pa/pa-hpux11.h (LIB_SPEC): Correct typo in !p case.
679 (MD_STARTFILE_PREFIX_1): New macro.
681 Thu Feb 3 15:08:13 MET 2000 Jan Hubicka <jh@suse.cz>
683 * i386.md (movstrsi, clrstrsi): Support variable sized copies, align
684 destination when needed.
685 (strmovsi, strsetsi): New expander.
686 (strmovsi_1, strsetsi_1): New pattern.
687 * i386.h (MASK_NO_ALIGN_STROP, MASK_INLINE_ALL_STROP,
688 TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS): New macros.
689 (TARGET_SWITCHES) Add align-stringops and inline-all-stringops.
690 * invoke.texi (align-stringops, inline-all-stringops): Document.
692 Wed Feb 2 23:04:47 2000 Krister Walfridsson <cato@df.lth.se>
694 * i386/netbsd.h (INT_ASM_OP): Define.
696 2000-02-02 Zack Weinberg <zack@wolery.cumb.org>
698 * cpplib.h (cpp_reader): Add new flag, no_directives.
699 * cpphash.c (macarg): Set it.
700 * cpplib.c (handle_directive): If no_directives is on and we
701 find a directive, issue an error and discard the line.
703 Wed Feb 2 13:07:10 2000 Jim Wilson <wilson@cygnus.com>
705 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Delete 'E' check for
706 FP constants. Add ! TARGET_FPU check for FP constants.
708 2000-02-02 Clinton Popetz <cpopetz@cygnus.com>
710 * flow.c (find_basic_blocks): Don't kill label_value_list
712 (cleanup_cfg): Kill it here.
714 Wed Feb 2 08:12:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
716 * expr.c (store_field): Ensure ALIGN is no stricter than the
719 2000-02-02 Richard Henderson <rth@cygnus.com>
721 * jump.c (delete_insn): Partially revert 19 Jan change;
722 don't convert unused code labels to notes at -O0.
724 2000-02-02 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
726 * toplev.c (rest_of_compilation): Run rebuild_jump_labels after
727 split_all_insns to recreate REG_LABEL notes for flow2 pass.
729 2000-02-01 Richard Henderson <rth@cygnus.com>
731 * i386.c (general_no_elim_operand): New.
732 (nonmemory_no_elim_operand): New.
733 (ix86_expand_move): Copy eliminable operands before a push.
734 * i386-protos.h: Declare new functions.
735 * i386.h (CAN_ELIMINATE): Simplify.
736 (PREDICATE_CODES): Update.
737 * i386.md (push insns): Don't allow eliminable register operands.
739 2000-02-01 Richard Henderson <rth@cygnus.com>
741 * flow.c (mark_regs_live_at_end): Follow expand_function_end and
742 replace BLKmode with DECL_RTL's mode.
744 2000-02-01 Zack Weinberg <zack@wolery.cumb.org>
746 * frame.c (find_fde): Convert for loop to do-while so compiler
747 sees it's always executed at least once.
748 * libgcc2.c (BBINBUFSIZE): Kill.
749 (__bb_init_prg): Use fgets.
750 (__bb_exit_trace_func): Don't paste strings.
751 * unroll.c (unroll_loop): Initialize unroll_type, not
752 unroll_number, and tweak logic to match.
754 * i386.c (ix86_expand_int_movcc): Add explicit 'return 0' in
756 (ix86_flags_dependant): Likewise. Disentangle control flow.
757 (ix86_sched_reorder): Break guts out to
758 ix86_sched_reorder_pentium and ix86_sched_reorder_ppro.
759 (ix86_sched_reorder_ppro): Initialize pair2 and insnp before
762 * i386.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Don't
763 use string concatenation. Don't save and restore esi.
765 * fixinc/Makefile.in (fixincl.sh): Don't depend on inclhack.def.
766 (machname.h): Remove script to separate file. Use two-step
767 sequence so target is not created if script fails.
768 * fixinc/gen-machname.h: New file. Handle case where no non-reserved
769 identifiers are defined.
770 * fixinc/fixlib.c (mn_get_regexps): Return a flag: if MN_NAME_PAT is
771 an empty string, machine_name doesn't need to do anything at
773 (is_cxx_header): Add more cases to regexp.
774 * fixinc/fixlib.h: Update prototype.
775 * fixinc/fixtests.c, fixinc/fixfixes.c: Update callers of
777 * fixinc/fixincl.c: Define NO_BOGOSITY.
779 * fixinc/inclhack.def (no_double_slash, else_endif_label): Ifdef out.
780 (hp_sysfile): Add missing comma.
781 (math_exception): Put the wrapper ifdefs at the beginning and
783 * fixinc/fixincl.x, fixinc/inclhack.sh: Regenerate.
785 2000-02-01 Richard Henderson <rth@cygnus.com>
787 * sparc.c (fp_zero_operand): Turn into a normal predicate.
788 Use CONST0_RTX. Update all callers.
789 * sparc.h, sparc-protos.h: Update accordingly.
790 * sparc.md (fp mov insns): Use fp_zero_operand directly
793 Wed Feb 2 02:59:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
795 * tm.texi (Values in Registers): Fix typo in HARD_REGNO_NREGS
798 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
800 * Makefile.in (specs.ready): New target.
801 (fixinc.sh): Depend on `specs.ready' instead of `specs'.
803 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
805 * fixinc.irix: Use unique filenames for writing into /tmp,
806 * fixinc.ptx: Likewise.
807 * fixinc.sco: Likewise.
808 * fixinc.svr4: Likewise.
809 * fixinc.winnt: Likewise.
811 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
813 * tsystem.h: New file.
815 * Makefile.in (libgcc2.a, stmp-multilib, crtbegin.o, crtend.o,
816 s-crtS): Depend on tsystem.h.
818 * crtstuff.c: Include tsystem.h.
820 * libgcc2.c: Likewise.
822 Tue Feb 1 19:53:27 CET 2000 Jan Hubicka <jh@suse.cz>
824 * builtins.c (expand_builtin_memset): Expand for variable sized
827 2000-02-01 David Billinghurst <David.Billinghurst@riotinto.com.au>
829 * config/mips/iris6.h (SUBTARGET_ASM_SPEC) : Default ISA based
832 Tue Feb 1 00:57:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
834 * dwarfout.c (SHORT_TYPE_SIZE): Correct default.
836 * tm.texi (Type Layout): Correct entry for CHAR_TYPE_SIZE.
838 2000-01-31 Chandra Chavva <cchavva@cygnus.com>
840 * combine.c (try_combine) [HAVE_cc0]: Trying to check the missed
841 case 3->2 combining (combining with splitting) in which 2 is CC0
842 setter/user and 3 is user. The rest of cases 2->1 and 3->2 are
843 checked at the begining of the function with the aid of calling
844 function 'can_combine_p'.
846 2000-01-31 Dave Brolley <brolley@redhat.com>
848 * cccp.c (struct argdata): Redeclare 'newlines' field as 'int'.
850 2000-01-31 Jason Merrill <jason@casey.cygnus.com>
852 * jump.c (redirect_jump): Move a NOTE_INSN_FUNCTION_END to the
855 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
857 * gansidecl.h (PROTO, VPROTO, PVPROTO): Delete macros.
859 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit):
862 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
864 * i386/386bsd.h, i386/beos-pe.h, i386/bsd386.h, i386/crtdll.h,
865 i386/cygwin.h, i386/dgux.h, i386/djgpp-rtems.h, i386/djgpp.h,
866 i386/freebsd.h, i386/gnu.h, i386/i386-aout.h, i386/i386-coff.h,
867 i386/i386-interix.h, i386/i386elf.h, i386/linux.h, i386/lynx-ng.h,
868 i386/lynx.h, i386/mach.h, i386/mingw32.h, i386/moss.h,
869 i386/netbsd.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
870 i386/ptx4-i.h, i386/rtems.h, i386/rtemself.h, i386/sco.h,
871 i386/sequent.h, i386/sun.h, i386/sysv4.h, i386/uwin.h, i386/vsta.h,
872 i386/vxi386.h, i386/win-nt.h, i386/win32.h:
873 Remove -Di386 -Acpu(i386) -Amachine(i386) from CPP_PREDEFINES.
875 * i386/osf1elf.h, i386/scodbx.h, i386/seq-sysv3.h, i386/sysv5.h:
876 Add %(cpp_cpu) to CPP_SPEC.
878 * i386/osf1elf.h, i386/osfelf.h, i386/osfrose.h:
879 Add %(cc1_cpu) to CC1_SPEC.
881 2000-01-28 Ulrich Drepper <drepper@redhat.com>
883 * c-decl.c (c_decode_option): Accept optional numeric argument to
884 -Wformat and set warn_format.
885 * c-common.c: Don't emit warning about non-constant printf format
886 string unless warn_format > 1.
888 2000-01-30 Richard Henderson <rth@cygnus.com>
890 * alpha.md (return_internal): Allow after reload only.
892 2000-01-30 Richard Henderson <rth@cygnus.com>
894 * i386.c (ix86_compute_frame_size): Omit padding1 if the
895 local frame size is zero.
897 2000-01-30 Richard Henderson <rth@cygnus.com>
899 * alpha.c (alpha_expand_epilogue): Don't emit the return insn.
900 * alpha.h (EPILOGUE_USES): New. Mark $26 live.
901 * alpha.md (return): Turn into an expander.
902 (return_internal): Don't use $26.
903 (epilogue): Emit the return insn.
905 2000-01-30 Richard Henderson <rth@cygnus.com>
907 * alpha.md (negtf2, abstf2): Fix word order thinko.
909 (trunctfsf2): Avoid intermediate rounding errors.
911 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
913 * cppfiles.c (find_position): Drop 'colp' argument, return the
915 (read_and_prescan): Adjust to match. Don't ever manipulate
916 line or line_base except via find_position.
918 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
920 * c-parse.in: Apply Ulrich's changes from c-parse.y.
921 * c-parse.y, objc/objc-parse.y, c-parse.c, objc/objc-parse.c:
924 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
926 * cpperror.c (cpp_file_line_for_message): If 'line' is zero,
927 just print "<command line>". If 'filename' is null or an
928 empty string, print "<stdin>" for the filename.
929 * cpplib.c (do_define): Don't print the 'location of the
930 previous definition' message if we're still parsing the
932 (cpp_pedwarn_with_file_and_line): Always call
933 cpp_file_line_for_message.
935 2000-01-29 Mark Mitchell <mark@codesourcery.com>
937 * flow.c (mark_regs_live_at_end): Fix typo.
939 2000-01-28 Ulrich Drepper <drepper@redhat.com>
941 * c-common.c: Adjust variable names, comments, help strings to c99.
943 * c-parse.y: Likewise.
944 * c-tree.h: Likewise.
946 * cpplib.h: Likewise.
947 * c-decl.c: Likewise. Recognize options with names "*99" as well.
948 * cppinit.c: Likewise.
950 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
952 * c4x.h (INIT_TARGET_OPTABS): Add all missing local optab entries.
953 * c4x.c: Define the optab rtx values.
954 (c4x_add_gc_roots): Add the ggc roots for these optab rtx values.
955 (c4x_emit_libcall): Use new optab rtx values.
956 (c4x_emit_libcall3): Likewise.
957 (c4x_emit_libcall_mulhi): Likewise.
958 * c4x-protos.h: Add prototypes for optab rtx values and change
959 prototypes for above c4x_emit_libcall functions.
961 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
963 * c4x.c (c4x_output_ascii): Restrict line length of output when TI
965 (c4x_function_prologue): Use regnames intead of float_reg_names when
967 (c4x_function_epilogue): Likewise.
968 (c4x_print_operand): Likewise.
969 * c4x.h (HOST_WIDE_INT_PRINT_HEX): Redefine.
970 * c4x.md (set_high): Disable for TARGET_TI.
972 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
974 * c4x.h (PREFERRED_RELOAD_CLASS): Change to restrict the reloading
975 of framepointer + constant to ADDR_REGS class.
976 * c4x.md (addqi3, addqi3_noclobber_reload): Update.
977 * c4x.c (std_or_reg_operand): New function.
978 * c4x-protos.h (std_or_reg_operand): Prototype it.
980 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
982 * t-c4x: Change qi,qf,di,df into si,sf,hi,hf to generate same
983 object names as libgcc2.c.
984 * libgcc.S: Use newly defined names.
986 Fri Jan 7 19:48:04 CET 2000 Jan Hubicka <jh@suse.cz>
987 * sbitmap.c (sbitmap_first_set_bit, sbitmap_last_set_bit): New
989 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit): Declare.
990 * basic_block.h (FLOW_LOOP_FIRST_BLOCK): New macro.
991 (FLOW_LOOP_LAST_BLOCK): Likewise.
993 2000-01-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
995 * basic-block.h (struct loop): New fields 'first' and 'last'.
996 * flow.c (flow_loops_find): Compute loop->first and loop->last.
997 (flow_loops_dump): Use loop->first to check for NOTE_INSN_LOOP_BEG
998 and loop->last to check for NOTE_INSN_LOOP_END.
1000 Fri Jan 28 10:57:58 2000 Jason Eckhardt <jle@cygnus.com>
1002 * predict.c (estimate_probability): Use the new FIRST and LAST fields
1003 of the loop descriptor rather than HEADER and LATCH. Also added
1004 missing break statements as well making some coding style modifications
1005 as suggested by Michael Hayes.
1007 2000-01-28 Richard Henderson <rth@cygnus.com>
1009 * flow.c (find_basic_blocks): Remove do_cleanup argument.
1010 Break out that code ...
1011 (cleanup_cfg): ... here.
1012 (commit_one_edge_insertion): Detect a return instruction being
1013 emitted to an edge. Emit a barrier following; clear fallthru.
1014 (commit_edge_insertions): Verify CFG consistency.
1015 * function.c (expand_function_start): Kill unused variable.
1016 (expand_function_end): Likewise.
1017 (thread_prologue_and_epilogue_insns): Use insert_insn_on_edge
1018 to insert the epilogue.
1020 * gcse.c (gcse_main): Adjust for find_basic_blocks change.
1021 (delete_null_pointer_checks): Likewise.
1022 * output.h: Likewise.
1023 * reg-stack.c (reg_to_stack): Likewise.
1024 * toplev.c (rest_of_compilation): Likewise. Run
1025 thread_prologue_and_epilogue_insns after rebuilding the CFG.
1027 2000-01-28 Richard Henderson <rth@cygnus.com>
1029 * Makefile.in (flow.o): Revert 24 Jan change.
1030 * flow.c (mark_regs_live_at_end): Likewise. Force BLKmode
1031 FUNCTION_VALUE result to DECL_RESULT's mode.
1033 * haifa-sched.c (schedule_insns): Don't recompute reg info
1036 2000-01-28 Zack Weinberg <zack@wolery.cumb.org>
1038 * configure.in: Make --enable-cpplib the default.
1039 * configure: Regenerate.
1040 * gcc.dg/990119-1.c: No longer expected to fail.
1042 2000-01-28 Bernd Schmidt <bernds@cygnus.co.uk>
1044 * jump.c (jump_optimize_1): Delete an optimization that is also done
1045 by merge_blocks in flow.
1047 2000-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1049 * diagnostic.c (build_message_string, output_printf,
1050 line_wrapper_printf): Add ATTRIBUTE_PRINTF_*.
1051 (build_location_prefix): Fix non-literal format string.
1053 2000-01-27 Richard Henderson <rth@cygnus.com>
1055 * alpha.md (trunctfsf2): New.
1057 2000-01-27 Andrew Hobson <ahobson@eng.mindspring.net>
1059 * configure.in (alpha-dec-osf5): Enable MASK_SUPPORT_ARCH.
1061 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
1063 * cppinit.c (cpp_handle_option): Recognize C++ comments under
1065 * cpplib.c (skip_block_comment, skip_line_comment): Split code
1067 (skip_comment) ... here. Permit C++ comments in system
1068 headers always. Warn about C++ comments in user code under
1069 -std=gnu89 -pedantic.
1070 (copy_comment): Use skip_comment.
1071 (cpp_skip_hspace, cpp_get_token): skip_comment can no longer
1073 (consider_directive_while_skipping, do_else, do_endif): Call
1074 validate_else unconditionally.
1075 (validate_else): Check CPP_PEDANTIC here. Accept non-comment
1076 text after the conditional in a system header.
1077 * cpplib.h (struct cpp_buffer): Add flag
1078 warned_cplusplus_comments.
1080 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
1082 * emit-rtl.c (unshare_all_rtl): Unshare virtual parameters too.
1083 Use unshare_all_rtl_1.
1084 (unshare_all_rtl_again): New function.
1085 (unshare_all_rtl_1): New function split out of unshare_all_rtl.
1087 * function.c (purge_addressof_1): Use unshare_all_rtl_again
1088 rather than resetting the 'used' flags ourself.
1090 * toplev.c (rest_of_compilation): Add current_function_decl
1091 to the unshare_all_rtl call.
1092 * tree.h: Prototype unshare_all_rtl.
1093 * rtl.h: Prototype unshare_all_rtl_again here.
1095 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
1097 * genoutput.c (output_prologue): Include ggc.h in generated
1099 * Makefile.in (insn-output.o): Depends on ggc.h.
1101 2000-01-27 Ian Dall <ian@sibyl.beware.dropbear.id.au>
1102 Hans-Peter Nilsson <hp@bitrange.com>
1104 * ns32k/xm-ns32k.h (memcpy, memset, memcmp): Delete.
1105 Remove redundant include of xm-ns32k.h.
1106 * ns32k/xm-genix.h (memcpy, memset, memcmp): Add definitions.
1107 Remove redundant include of xm-ns32k.h.
1108 * ns32k/xm-netbsd.h (memcpy, memset, memcmp): No longer undefine.
1109 Remove redundant include of xm-ns32k.h.
1110 * ns32k/netbsd.h (TARGET_DEFAULT): Enable multiply-add instructions.
1112 * ns32k/ns32k.h: Update comment on multiply-add instructions.
1113 (TARGET_SWITCHES): Add documentation strings.
1114 (DWARF_FRAME_REGNUM): Override default definition.
1115 (REG_CLASS_CONTENTS): Add comments.
1116 (SUBSET_P): Format to reduce line length.
1117 (SMALL_REGISTER_CLASSES): Make a run time option.
1118 (GO_IF_NONINDEXED_ADDRESS): Reformat.
1119 (GO_IF_LEGITIMATE_ADDRESS): Ensure that cfun is non NULL before
1120 dereferencing it. Braces to avoid "ambiguous else" were misplaced.
1121 (regclass_map): fix typo in comment.
1122 * ns32k/ns32k.c: Add spaces before parentheses for consistant style.
1123 Prefer gen_rtx_FOO(...) to gen_rtx(FOO,...).
1124 (trace, reg_or_mem_operand): Delete, unused function.
1125 (calc_address_cost): Small offsets are cheaper than large ones.
1126 (expand_block_move): Generate more efficient code when bytes is a
1127 known at compile time.
1128 * ns32k/ns32k.md: Alternate constraints for multiply-add instructions.
1129 (udivmodsi4, udivmodhi4, udivmodqi4): Use nonimmediate_operand
1130 instead of reg_or_mem_operand.
1132 * ns32k/ns32k.md: Use nonimmediate_operand or stricter for outputs,
1133 not general_operand. Similarly use "=rm" or stricter, not "=g".
1134 For input operands, use stricter constraints than "g" if not
1135 general_operand. Similarly use stricter predicate than
1136 "general_operand" when stricter constraints than "g" are present,
1137 except for matching constraints.
1138 (movstrsi): Use "memory_operand" for operands 0 and 1.
1139 (truncsiqi2, truncsihi2, trunchiqi2): Remove.
1140 (udivmoddisi4_internal): Use nonimmediate_operand for operand 0,
1141 not reg_or_mem_operand.
1142 (udivmoddisi4): Ditto.
1143 Use nonimmediate_operand for operand 1, not reg_or_mem_operand.
1144 Use nonimmediate_operand for operand 3, not register_operand.
1145 (udivmoddiqi4_internal): Use register_operand for operand 1, not
1148 2000-01-27 Fred Fish <fnf@be.com>
1150 * gthr-posix.h: Fix typo; compatibily -> compatibility.
1151 * gthr-single.h: Likewise.
1152 * gthr-solaris.h: Likewise.
1153 * gthr-vxworks.h: Likewise.
1154 * gthr-win32.h: Likewise.
1157 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
1159 * cppinit.c: Add " (cpplib)" to end of string printed by
1162 2000-01-27 Richard Henderson <rth@cygnus.com>
1164 * alpha.c (alpha_emit_conditional_move): Use VOIDmode when
1165 testing for a signed comparison.
1166 (alpha_emit_floatuns): New.
1167 * alpha-protos.h: Declare it.
1168 * alpha.md (floatunsdisf2, floatunsdidf2): New.
1169 (extendsfdf2): Tidy.
1171 2000-01-27 Jakub Jelinek <jakub@redhat.com>
1173 * config/sparc/linux64.h (CC1_SPEC): If compiling -m32 with -g but
1174 no -g option specifying debugging format, default to -gstabs+.
1176 Wed Jan 26 22:19:14 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1178 * calls.c (special_function_p): New argument fork_or_exec.
1179 (expand_call): When profile_arc_flag is set and the function
1180 is in the fork_or_exec group, call __bb_fork_func first.
1181 * libgcc2.c, _bb module (__bb_fork_func): New function.
1182 (__bb_exit_func): If fcntl F_SETLKW is available, use it to lock
1184 * config/svr4.h (TARGET_HAS_F_SETLKW): Define.
1185 * tree.h (special_function_p): Update prototype.
1187 2000-01-26 Richard Henderson <rth@cygnus.com>
1189 * alpha.c (alpha_split_tfmode_pair): New.
1190 * alpha-protos.h: Declare it.
1191 * alpha.md (abstf2, negtf2): New.
1192 (movtf insn): Add input G constraint.
1193 (movtf splitter): Use alpha_split_tfmode_pair.
1195 2000-01-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1197 * i386/cygwin.h: PROTO -> PARAMS.
1199 2000-01-26 Jakub Jelinek <jakub@redhat.com>
1201 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Handle
1202 TARGET_ARCH32 again. Handle ORDERED, UN* and LTGT comparisons
1203 using _Qp_cmp/_Q_cmp and testing the return value.
1204 (print_operand): Call reverse_condition_maybe_unordered if
1205 we are handling CCFPmode or CCFPEmode.
1206 Handle ORDERED, UN* and LTGT comparisons.
1207 * config/sparc/sparc.md (cmptf): Use even on TARGET_ARCH32
1208 if not TARGET_HARD_QUAD.
1209 (seq, sne, sgt, slt, sge, sle, beq, bne, bgt, blt, bge, ble,
1210 bunordered, bordered, bungt, bunlt, buneq, bunge, bunle, bltgt):
1211 Call sparc_emit_float_lib_cmp even on TARGET_ARCH32.
1212 Adjust gen_b* calls so that they reflect return comparison of
1213 sparc_emit_float_lib_cmp.
1215 2000-01-26 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
1217 * config/alpha/alpha.c (alpha_emit_xfloating_cvt): Do not assume
1218 incoming operands array is large enough for one more operand.
1219 (alpha_emit_xfloating_arith): Likewise.
1221 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
1223 * fixinc/Makefile.in (machname.h): SunOS 4 sed can't handle a
1224 file with one line and no trailing newline.
1225 Patch by Kaveh Ghazi <ghazi@caip.rutgers.edu>.
1226 * fixinc/fixtests.c (machine_name_test): Fix fencepost error
1227 checking if the match is on the line.
1228 * fixinc/gnu-regex.c: Provide regerror not __regerror.
1230 2000-01-25 Richard Henderson <rth@cygnus.com>
1232 * sparc.c (output_cbranch): Fix accidental squashing of the
1233 fp branch pre-delay nop.
1235 2000-01-25 Richard Henderson <rth@cygnus.com>
1237 * tree.def (UNNE_EXPR): Remove.
1238 * c-typeck.c (build_binary_op): Don't handle it.
1239 * expr.c (expand_expr, do_jump, do_store_flag): Likewise.
1241 * rtl.def (UNNE): Remove.
1243 * jump.c (reverse_condition): Update accordingly.
1244 (swap_condition): Likewise.
1245 (comparison_dominates_p): Handle unordered comparisons.
1246 (reverse_condition_maybe_unordered): New.
1247 * rtl.h (reverse_condition_maybe_unordered): Declare.
1249 * sparc.c (select_cc_mode): Update for UNNE/LTGT.
1250 (output_cbranch): Use reverse_condition_maybe_unordered and LTGT.
1251 * sparc.h (REVERSIBLE_CC_MODE): Always true. Update docs.
1252 * sparc.md (bltgt): New.
1254 2000-01-25 Nick Clifton <nickc@redhat.com>
1256 * emit-rtl.c (emit_insn): Only check machine class insns for
1257 improper emission of a RETURN.
1259 2000-01-25 Richard Henderson <rth@cygnus.com>
1261 * Makefile.in (flow.o): Depend on $(EXPR_H).
1262 * flow.c (mark_regs_live_at_end): Use hard_function_value, i.e.
1263 duplicate the structure of diddle_return_value for keeping regs live.
1265 2000-01-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1267 * loop.c (current_loop_info): Delete.
1268 (consec_sets_invariant_p): Add loop argument, update callers.
1269 (get_condition_for_loop): Likewise.
1270 (count_nonfixed_reads, update_giv_derive): Likewise.
1271 (simplify_giv_expr, general_induction_var): Likewise.
1272 (consec_sets_giv, recombine_givs): Likewise.
1273 (move_movables): Delete loop_start and loop_end arguments,
1274 add loop argument, and update callers.
1275 (find_mem_givs, check_final_value): Likewise.
1276 (record_giv, maybe_eliminate_biv, maybe_eliminate_biv_1): Likewise.
1277 (loop_invariant_p): Rename from invariant_p, add loop argument, and
1279 (basic_induction_var): Add loop argument, delete loop_level argument,
1281 * unroll.c (iteration_info): Delete loop_start and loop_end arguments,
1282 add loop argument, and update callers.
1283 (find_splittable_regs, find_splittable_givs): Likewise.
1284 (reg_dead_after_loop, loop_find_equiv_value): Likewise.
1285 (final_biv_value, final_giv_value, back_branch_in_range_p): Likewise.
1286 (biv_total_increment): Delete loop_start and loop_end arguments;
1288 (precondition_loop_p): Delete loop_start and loop_info arguments;
1290 * loop.h (get_condition_for_loop): Add loop argument.
1291 (biv_total_increment): Delete loop_start and loop_end arguments.
1292 (precondition_loop_p): Delete loop_start and loop_info arguments;
1294 (final_biv_value): Delete loop_start and loop_end arguments;
1296 (final_giv_value, back_branch_in_range_p): Likewise.
1298 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
1300 * config/mips/mips.h (LEGITIMATE_CONSTANT_P): Fix for mips16.
1302 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
1304 * Makefile.in (c-gperf.h) : Change the "See" pointer to
1305 point to the new "generated_files" doc.
1307 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
1309 * config/fp-bit.c (_unord_f2): Fix typo.
1311 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
1313 * c-common.c, c-decl.c, c-lang.c, c-lex.c, c-parse.in, c-pragma.c,
1314 c-typeck.c, objc/objc-act.c: Remove all references to obstack
1315 functions obsoleted by GC, such as push_obstacks_nochange,
1316 end_temporary_allocation, savealloc, saveable_tree_cons, etc.
1317 and code which existed only to decide whether or not to call
1318 them. Remove now-unused NESTED argument from start_function;
1319 all callers changed. Do not change behavior based on ggc_p.
1320 The use of the ixp_obstack in c-iterate.c and the util_obstack
1321 in objc/objc-act.c remain; these are not obsoleted by garbage
1323 * c-tree.h: Update prototype for start_function.
1325 * c-parse.y, c-parse.c, objc/objc-parse.c, objc/objc-parse.y: Rebuild.
1327 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
1329 * config/mips/mips.md (zero_extendsidi2_internal): Disable for
1332 2000-01-25 Richard Henderson <rth@cygnus.com>
1334 * sparc-protos.h (select_cc_mode): Declare.
1335 * sparc.c (select_cc_mode): New. Handle unordered compares.
1336 (output_cbranch): Always reverse via code change. Handle
1337 unordered compares. Factor tests and string updates.
1338 * sparc.h (SELECT_CC_MODE): Split out to select_cc_mode.
1339 (REVERSIBLE_CC_MODE): Also exclude CCFPmode.
1340 * sparc.md (bunordered, bordered): New.
1341 (bungt, bunlt, buneq, bunge, bunle): New.
1343 2000-01-25 Richard Henderson <rth@cygnus.com>
1345 * dwarf2out.c (dwarf2out_init): Use ggc_add_rtx_varray_root.
1346 * ggc-common.c (ggc_add_rtx_varray_root): New.
1347 (ggc_mark_rtx_varray): New.
1348 (ggc_mark_rtx_varray_ptr): New. Shift all ggc_mark_foo_ptr
1349 functions down below ggc_mark_foo.
1350 * ggc.h (ggc_add_rtx_varray_root, ggc_mark_rtx_varray): Declare.
1352 2000-01-25 Richard Henderson <rth@cygnus.com>
1354 * alpha.c (secondary_reload_class): Don't allocate a secondary
1355 for integral mode memories into FLOAT_REGS. Rearrange the more
1356 complicated memory expression inward.
1358 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
1360 * inclhack.def: Fixes to play nicer with FreeBSD, and
1361 corrections to comments.
1362 (cxx_unready): Add select expression.
1363 (irix_sockaddr): Add bypass expression.
1364 (machine_ansi_h_va_list): New fix.
1365 (stdio_va_list): No need to edit _BSD_VA_LIST_.
1366 Split out addition of "#include <stdarg.h>" to...
1367 (stdio_stdarg_h): ... here.
1368 (systypes_for_aix): Rename to systypes_stdlib_size_t. Apply
1369 to stdlib.h also. Do not munge _BSD_SIZE_T_.
1370 (sysz_stdlib_for_sun): Delete duplicate fix for unprotected
1372 (ultrix_ifdef): Tighten up select expression.
1374 * fixincl.tpl: Exorcise 'exesel'. Rewrite calculations of
1375 re_ct and max_mach to avoid use of shell. Make printed names
1376 match names in inclhack.def. Use static copyright date.
1377 Don't count c_test and test expressions as requiring regex_t
1378 slots. Add some commentary.
1379 * inclhack.tpl: Do not include the 'This script contains N
1380 fixup scripts' line if PROGRAM is defined. Use static
1383 2000-01-24 Jason Merrill <jason@casey.cygnus.com>
1385 * dwarf2out.c: include "varray.h", not dyn-string.h.
1386 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_NAME_TO_STRING): Lose.
1387 (addr_const_to_string, addr_to_string): Lose.
1388 (ASM_OUTPUT_DWARF_ADDR_CONST): Copy from dwarfout.c.
1389 (struct dw_val_struct): val_addr is now an rtx.
1390 (add_AT_addr, AT_addr, free_AT, output_aranges): Adjust.
1391 (used_rtx_varray): New varray.
1392 (dwarf2out_init): Initialize it.
1394 (mem_loc_descriptor, add_const_value_attribute): Call it instead of
1396 * arm/telf.h, arm/unknown-elf.h, mn10200.h, mn10300.h,
1397 sparc/sp64-elf.h: Remove definition of ASM_OUTPUT_DWARF2_ADDR_CONST.
1398 * Makefile.in (dwarf2out.o): Update dependencies.
1400 2000-01-24 Richard Henderson <rth@cygnus.com>
1402 * i386.c (i386_dwarf_output_addr_const): New.
1403 * i386.h (ASM_OUTPUT_DWARF_ADDR_CONST): New.
1405 * dwarf2out.c (mem_loc_descriptor): Call ASM_SIMPLIFY_DWARF_ADDR
1407 * dwarfout.c (output_mem_loc_descriptor): Likewise.
1408 * i386.c (i386_simplify_dwarf_addr): New.
1409 * i386.h (ASM_SIMPLIFY_DWARF_ADDR): New.
1411 Mon Jan 24 16:56:10 2000 Jim Wilson <wilson@cygnus.com>
1413 * dwarf2out.c (gen_struct_or_union_type_die): Set complete if
1414 TYPE_STUB_DECL is NULL.
1416 2000-01-24 Richard Henderson <rth@cygnus.com>
1418 * builtins.c (expand_tree_builtin): Move ...
1419 * c-common.c (expand_tree_builtin): ... here.
1421 2000-01-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1423 * loop.h (LOOP_INFO): New accessor macro.
1424 * basic-block.h (struct loop): Rename field `info' to `aux'.
1425 * loop.c (scan_loop): Replace loop->info with LOOP_INFO (loop).
1426 (prescan_loop, strength_reduce, check_dbra_loop, insert_bct): Likewise.
1427 * unroll.c (loop_iterations, unroll_loop): Likewise.
1429 2000-01-24 Christopher Faylor <cgf@cygnus.com>
1431 * config/i386/t-cygwin: Accomodate new winsup directory layout
1432 when searching for include files.
1434 2000-01-24 Richard Henderson <rth@cygnus.com>
1436 * rtl.def: Add unordered fp comparisions.
1437 * tree.def: Likewise.
1438 * tree.h: Add ISO C 9x unordered fp comparision builtins.
1440 * builtins.c (expand_tree_builtin): New function.
1441 * c-typeck.c (build_function_call): Use it.
1442 (build_binary_op): Support unordered compares.
1443 * c-common.c (c_common_nodes_and_builtins): Add unordered compares.
1445 * combine.c (known_cond): Handle reverse_condition returning UNKNOWN.
1446 (reversible_comparison_p): Allow UNORDERED/ORDERED to be reversed.
1447 * cse.c (fold_rtx): Check FLOAT_MODE_P before reversing.
1448 (record_jump_equiv): Handle reverse_condition returning UNKNOWN.
1449 * jump.c (reverse_condition): Don't abort for UNLE etc, but
1451 (swap_condition): Handle unordered compares.
1452 (thread_jumps): Check can_reverse before reversing.
1453 * loop.c (get_condition): Likewise. Allow UNORERED/ORDERED to be
1456 * optabs.c (can_compare_p): New argument CODE. Verify branch or
1457 setcc is present before acking for cmp_optab. Update all callers.
1458 (prepare_float_lib_cmp, init_optabs): Handle UNORDERED.
1459 * expmed.c (do_cmp_and_jump): Update for can_compare_p.
1460 * expr.c (expand_expr): Likewise. Support unordered compares.
1461 (do_jump, do_store_flag): Likewise.
1462 * expr.h (enum libfunc_index): Add unordered compares.
1464 * Makefile.in (FPBIT_FUNCS): Add _unord_sf.
1465 (DPBIT_FUNCS): Add _unord_df.
1466 * config/fp-bit.c (_unord_f2): New.
1467 * fp-test.c (main): Try unordered compare builtins.
1469 * alpha-protos.h (alpha_fp_comparison_operator): Declare.
1470 * alpha.c (alpha_comparison_operator): Check mode properly.
1471 (alpha_swapped_comparison_operator): Likewise.
1472 (signed_comparison_operator): Likewise.
1473 (alpha_fp_comparison_operator): New.
1474 (alpha_emit_conditional_branch): Handle unordered compares.
1475 * alpha.h (PREDICATE_CODES): Update.
1476 * alpha.md (fp compares): Use alpha_fp_comparison_operator.
1477 (bunordered, bordered): New.
1479 2000-01-24 Richard Henderson <rth@cygnus.com>
1481 * alpha.c (alpha_emit_xfloating_cvt): Thinko in operand manipulation.
1482 * alpha.md (movtf): New expander, insn, and splitter.
1484 Mon Jan 24 19:49:47 MET 2000 Jan Hubicka <jh@suse.cz>
1486 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
1489 Mon Jan 24 17:37:31 MET 2000 Jan Hubicka <jh@suse.cz>
1491 * i386.h (FIRST_PSEUDO_REGISTER): Set to 21.
1492 (FIXED_REGISTERS, CALL_USED_REGISTERS,
1493 REG_ALLOC_ORDER): Add frame pointer
1494 (FRAME_POINTER_REGNUM): Set to 20
1495 (HARD_FRAME_POINTER_REGNUM): New macro.
1496 (ELIMINABLE_REGS): Eliminate ARG_POINTER and FRAME_POINTER
1497 to HARD_FRAME_POINTER.
1498 (REGNO_OK_FOR_BASE_P): Accept FRAME_POINTER_REGNUM
1499 (REG_OK_FOR_INDEX_NONSTRICT_P): Likewise.
1500 (REG_OK_FOR_BASE_NONSTRICT_P): Likewise.
1501 (HI_REGISTER_NAMES): Add "frame".
1502 (CAN_ELIMINATE): Handle FRAME_POINTER_REGNUM elimination.
1503 (debug_reg): Handle FRAME_POINTER_REGNUM.
1504 (reg_class): Add arg pointer and frame pointer to NON_Q_REGS,
1505 GENERAL_REGS and INDEX_REGS.
1506 * i386.c (SAVED_REGS_FIRST): new macro.
1507 (AT_BP): Use hard_frame_pointer_rtx instead of frame_pointer_rtx
1508 (ix86_decompose_address, memory_address_length): Likewise.
1509 (regclass_map): Add frame pointer.
1510 (call_insn_operand): Handle frame_pointer_rtx.
1511 (reg_no_sp_operand): Likewise.
1512 (ix86_decompose_address): Handle frame_pointer_rtx as stack_pointer_rtx.
1513 (print_operand, legitimize_pic_address): Fix formating.
1514 (ix86_compute_frame_size): Make static, update prototype, new
1515 parameters padding1, padding2, use ix86_nsaved_regs, use
1516 stack_alignment_needed.
1517 (ix86_initial_elimination_offset): Handle FRAME_POINTER_REGNUM
1518 to HARD_FRAME_POINTER_REGNUM conversions.
1519 (ix86_expand_prologue): Handle SAVED_REGS_FIRST prologues.
1520 (ix86_expand_epilogue): Handle SAVED_REGS_FIRST epilogues.
1521 (print_reg): Abort on FRAME_POINTER_REGNUM
1523 Mon Jan 24 16:50:08 MET 2000 Jan Hubicka <jh@suse.cz>
1525 * i386.h (PREDICATE_CODES): Add aligned_operand.
1526 * i386.c (aligned_operand): New function.
1527 (ix86_aligned_p): Kill.
1528 * i386.md (movhi_1): Emit mov for aligned operands.
1529 (promoting peep2s): Use aligned_operand.
1531 2000-01-23 Zack Weinberg <zack@wolery.cumb.org>
1533 * fixinc/fixfixes.c (fix_char_macro_uses): Correct regular
1534 expression to allow underscores in macro names.
1535 (fix_char_macro_defines): Increment scanning pointer.
1537 2000-01-23 Richard Henderson <rth@cygnus.com>
1539 * alpha/osf.h (TARGET_HAS_XFLOATING_LIBS): Define.
1540 * alpha/osf5.h: New file.
1541 * configure.in (alpha-*-osf5): Add it to tm_file.
1543 * emit-rtl.c (operand_subword): Support TFmode on a 64-bit target.
1545 * alpha-protos.h (alpha_emit_xfloating_arith): Declare.
1546 (alpha_emit_xfloating_cvt, function_arg): Declare.
1547 * alpha.c (alpha_emit_conditional_branch): Call
1548 alpha_emit_xfloating_compare for TFmode compares.
1549 (alpha_lookup_xfloating_lib_func): New.
1550 (alpha_compute_xfloating_mode_arg): New.
1551 (alpha_emit_xfloating_libcall): New.
1552 (alpha_emit_xfloating_arith): New.
1553 (alpha_emit_xfloating_compare): New.
1554 (alpha_emit_xfloating_cvt): New.
1555 (print_operand): Add default abort case.
1556 (function_arg): Mind FUNCTION_ARG_PASS_BY_REFERENCE.
1557 * alpha.h (TARGET_HAS_XFLOATING_LIBS): New.
1558 (BIGGEST_ALIGNMENT): Increase to 128 bits.
1559 (RETURN_IN_MEMORY): True for TF/TCmode.
1560 (ALPHA_ARG_SIZE): TF/TCmode is passed indirect.
1561 (FUNCTION_ARG): Move to function_arg.
1562 (FUNCTION_ARG_PASS_BY_REFERENCE): New.
1563 (ASM_OUTPUT_LONG_DOUBLE): New.
1564 (ASM_OUTPUT_DOUBLE): Always output bits.
1565 * alpha.md (addtf3, divtf3, multf3, subtf3, cmptf): New.
1566 (fix_trunctfdi2, floatditf2, floatunsditf2): New.
1567 (extenddftf2, trunctfdf2): New.
1569 2000-01-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
1571 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Moved...
1572 * config/sparc/sol2.h: ... here.
1574 2000-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1576 * basic-block.h (struct loops): New field `levels'.
1577 * flow.c (flow_loops_level_compute): Traverse all outer loops.
1578 (flow_loop_level_compute): Initialise level to 1.
1579 (flow_loops_find): Set loops->levels.
1580 (flow_loops_dump): Print loops->levels.
1582 2000-01-23 Richard Henderson <rth@cygnus.com>
1584 * libgcc2.c (dwarf_reg_size_table): Size with DWARF_FRAME_REGISTERS.
1585 (throw_helper): Iterate over DWARF_FRAME_REGISTERS.
1587 2000-01-23 Richard Henderson <rth@cygnus.com>
1589 * i386.c (dbx_register_map, svr4_dbx_register_map): New.
1590 * i386.h (DBX_REGISTER_NUMBER): Use them.
1591 * i386/beos-elf.h, i386/freebsd-elf.h, i386/i386elf.h: Likewise.
1592 * i386/linux.h, i386/osfrose.h, i386/ptx4-i.h: Likewise.
1593 * i386/rtemself.h, i386/sco5.h, i386/sysv4.h: Likewise.
1594 * i386/sequent.h: Kill incorrect comment.
1596 2000-01-23 Mark Mitchell <mark@codesourcery.com>
1598 * ggc-page.c (struct page_entry): Make `context_depth' an
1600 (struct globals): Likewise.
1602 2000-01-23 Clinton Popetz <cpopetz@cygnus.com>
1604 * loop.c (check_dbra_loop): When checking a loop for
1605 reversability, check the source of any stores to ensure
1606 they don't depend on an initial value.
1608 2000-01-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1610 * config/c4x/c4x.h (ASM_OUTPUT_BSS): Redefine.
1612 2000-01-22 Zack Weinberg <zack@wolery.cumb.org>
1614 * fixinc/fixincl.c: Move declarations of 'pz_fname' and
1615 'pz_scan' into scope of entire function. Only affects
1616 compiles with -DDEBUG.
1618 2000-01-22 Alan Modra <alan@SPRI.Levels.UniSA.Edu.Au>
1620 * config/elfos.h (UNIQUE_SECTION): Restore uninitialised data
1621 section naming to that prior to 2000-01-07 patch.
1622 * config/mips/elf.h (UNIQUE_SECTION): Ditto.
1623 * config/mips/elf64.h (UNIQUE_SECTION): Ditto.
1624 * config/mips/iris6gld.h (UNIQUE_SECTION): Ditto.
1625 * config/i386/interix.c (UNIQUE_SECTION): Ditto.
1626 * config/i386/winnt.c (UNIQUE_SECTION): Ditto.
1628 2000-01-22 Bernd Schmidt <bernds@cygnus.co.uk>
1630 * config/arm/arm.c (soft_df_operand): Reject SUBREGs containing a
1633 2000-01-21 Jim Wilson <wilson@cygnus.com>
1635 * fixinc/inclhack.tpl: Test for directory before trying to cd into it.
1636 * fixinc/fixincl.sh, fixinc/inclhack.sh: Regenerate.
1638 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
1640 * cpphash.c (change_newlines): Delete function.
1641 (struct argdata): Delete 'newlines' and 'use_count' fields.
1642 (macroexpand): Remove code referencing those fields.
1644 2000-01-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1646 * loop.c (loops_info): New variable.
1647 (loop_optimize): Allocate loops->array and free it on exit.
1648 Allocate memory for loops_info and assign to each loop,
1650 (find_and_verify_loops): Do not allocate loops->array.
1652 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
1654 * fixinc/fixfixes.c (machine_name_fix): Don't free 'scratch'.
1656 2000-01-21 Jakub Jelinek <jakub@redhat.com>
1658 * config/sparc/sparc.md (movsi_pic_label_ref): Avoid creating new
1659 pseudos if expanded after first flow.
1660 (movdi_pic_label_ref): Likewise.
1662 2000-01-20 Richard Henderson <rth@cygnus.com>
1664 * jump.c (jump_optimize_1): Don't do addr_vec optimizations at -O0.
1666 2000-01-20 Zack Weinberg <zack@wolery.cumb.org>
1668 * Makefile.in (fixinc.sh): Depend on specs.
1669 * fixinc/Makefile.in: Add rule to create machname.h.
1670 (fixlib.o): Depend on machname.h.
1671 * fixinc/fixtests.c (machine_name): New test.
1672 * fixinc/fixfixes.c (machine_name): New fix.
1673 * fixinc/fixlib.c (mn_get_regexps): New helper function for
1674 the machine_name test and fix.
1675 * fixinc/fixlib.h: Prototype it.
1676 * fixinc/inclhack.def (machine_name): Use the C test and fix.
1677 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuild.
1679 * gcc.c (do_spec_1) [case P]: Take care not to create
1680 identifiers with three leading or trailing underscores.
1682 * fixinc/Makefile.in (FIXINC_DEFS): Add -DIN_GCC.
1683 (fixincl): Don't specify libraries twice on link line.
1684 (gnu-regex.o): Remove special rule.
1685 * fixinc/gnu-regex.c: Define REGEX_MALLOC if C_ALLOCA was
1686 defined by config.h. Do not define _REGEX_RE_COMP.
1687 (regcomp): Allocate and initialize a fastmap.
1688 * fixinc/gnu-regex.h: Do not define _REGEX_RE_COMP.
1690 2000-01-20 Brad Lucier <lucier@math.purdue.edu>
1692 * Makefile.in (predict.o): Depend on $(EXPR_H), not expr.h.
1694 2000-01-19 Richard Henderson <rth@cygnus.com>
1696 * flow.c (propagate_block): Replace FIRST, LAST and BNUM
1697 arguments with BB. Update all callers. Tidy line wrapping.
1699 2000-01-19 Clinton Popetz <cpopetz@cygnus.com>
1701 * emit-rtl.c (try_split): Return last_insn if we split the
1704 Thu Jan 20 01:01:23 MET 2000 Jan Hubicka <jh@suse.cz>
1706 * i386-protos.h (ix86_compute_frame_size): Remove prototype.
1707 (ix86_initial_elimination_offset): Declare.
1708 * i386.c (ix86_nsaved_regs): Break out from ...
1709 (ix86_can_use_return_insn_p): ... here.
1710 (ix86_emit_save_regs): Break out from ...
1711 (ix86_expand_prologue): ... here.
1712 (ix86_emit_epilogue_esp_adjustment, ix86_emit_restore_regs): Break
1714 (ix86_expand_epilogue): ... here.
1715 (ix86_compute_frame_size): Make static, add prototype.
1716 (ix86_initial_elimination_offset): Break out from ...
1717 * i386.h (INITIAL_ELIMINATION_OFFSET): ... here.
1719 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1721 * recog.h (OUT_FCN): Delete.
1723 * vax.md: Call `get_insn_template' instead of OUT_FCN.
1725 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1727 * cppalloc.c: PROTO -> PARAMS.
1728 * cpperror.c: Likewise.
1729 * cppfiles.c: Likewise.
1730 * cpplib.c: Likewise.
1731 * cpplib.h: Likewise.
1733 * config/arm/arm-protos.h: PROTO -> PARAMS.
1734 * config/arm/arm.c: Likewise.
1735 * config/c4x/c4x.c: Likewise.
1736 * config/fr30/fr30-protos.h: Likewise.
1737 * config/nextstep.c: Likewise.
1738 * config/pa/pa.c: Likewise.
1739 * config/pj/pj.c: Likewise.
1740 * config/rs6000/rs6000.c: Likewise.
1741 * config/v850/v850-protos.h: Likewise.
1742 * config/v850/v850.c: Likewise.
1744 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1746 * i370-protos.h: New file.
1748 * i370.c: Include tm_p.h. Fix compile time warnings.
1750 * i370.h: Move prototypes to i370-protos.h. Fix compile time
1753 * i370.md: Likewise.
1755 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1757 * real.c (enan, einan, eiisnan, eiisneg, make_nan): Wrap in NANS.
1758 (target_isinf, target_isnan, eisnan): Mark parameter with
1760 (eiisinf): Wrap in INFINITY.
1761 (etoe113, etoe64, etoe53, etoe24): Wrap label `nonorm' in INFINITY.
1762 (ibmtoe): Remove unused variable `rndsav'.
1764 Wed Jan 19 20:23:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1766 * sh.h (PASS_IN_REG_P): Remove extraneous paranthesis.
1767 (GO_IF_LEGITIMATE_ADDRESS): Added missing tab.
1769 2000-01-19 Zack Weinberg <zack@wolery.cumb.org>
1771 * fixinc/Makefile.in: Correct dependencies of fixincl and fixincl.o.
1772 * fixinc/fixfixes.c (IO_use, CTRL_use, IO_defn, CTRL_defn): New fixes.
1773 (fix_char_macro_defines, fix_char_macro_uses): New functions.
1775 * fixinc/fixlib.c (is_cxx_header): Do the text scan with a regexp.
1776 Recognize Emacs mode markers also.
1777 * fixinc/fixtests.c (else_endif_label): Fix bug in recognition of
1778 C++ comments in C++ headers. Call is_cxx_header only if
1781 * fixinc/inclhack.def (avoid_bool): Add select for the problem and
1783 (bsd43_io_macros, io_def_quotes, ioctl_fix_ctrl): Replace with...
1784 (io_def_quotes, io_use_quotes, ctrl_def_quotes, ctrl_use_quotes):
1785 ... these, which use the new C fixes.
1786 (math_exception): Escape literal '+' in bypass expression.
1788 * fixinc/fixincl.x, fixinc/fixincl.sh, fixinc/inclhack.sh:
1791 2000-01-19 Geoff Keating <geoffk@cygnus.com>
1793 * rtlanal.c (reg_referenced_p): A CLOBBER of a MEM uses any REGs
1796 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1798 * loop.c (loop_optimize): Allocate loop_info structure for each loop
1799 prior to calling scan_loop.
1801 Wed Jan 19 19:54:38 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1803 * sh.c (find_barrier, gen_block_redirect): Fix indentation.
1804 (split_branches, calc_live_regs): Likewise.
1806 Wed Jan 19 19:12:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1808 * sh.md (fpu_single, fp_mode): New attributes.
1810 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1812 * loop.c (current_loop_info): Renamed from loop_info_data
1813 and changed to a pointer.
1814 (loop_optimize): Allocate loop_info structure for each loop
1815 and initialise to zero.
1816 (scan_loop): Set current_loop_info.
1818 * unroll.c (loop_iterations): Don't abort if REG_USERVAR_P set
1821 2000-01-19 Richard Henderson <rth@cygnus.com>
1823 * stupid.c: Die die die.
1824 * Makefile.in (OBJS): Remove stupid.o.
1825 (stupid.o): Likewise.
1827 * except.c (emit_eh_context): Don't emit USEs for stupid.
1828 * explow.c (probe_stack_range): Likewise.
1829 * flags.h (obey_regdecls): Remove.
1830 * flow.c (find_basic_blocks): Don't run try_merge_blocks
1831 when not optimizing.
1832 (life_analysis): Limit data collection when not optimizing.
1833 (mark_regs_live_at_end): Always mark the return value registers.
1834 (mark_used_regs): Remove dummy RETURN case.
1835 (print_rtl_with_bb): Don't consult obey_regdecls.
1836 * function.c (use_variable, use_variable_after): Remove.
1837 (assign_parms): Consult optimize not obey_regdecls.
1838 (expand_function_start): Don't emit USEs for stupid.
1839 (expand_function_end): Likewise.
1840 * global.c (build_insn_chain): Export.
1841 * integrate.c (expand_inline_function): Kill return-value USE
1843 * jump.c (jump_optimize_1): Do simple jump optimizations and
1844 dead code elimination.
1845 (calculate_can_reach_end): Remove check_deleted argument.
1846 (delete_insn): Patch out insns even when not optimizing.
1847 * local-alloc.c (block_alloc): Don't do tying when not optimizing.
1848 * rtl.h (use_variable, use_variable_after): Remove declarations.
1849 (build_insn_chain): Declare.
1850 * stmt.c (expand_value_return): Don't emit USEs for stupid.
1851 (expand_end_bindings): Likewise.
1852 (expand_decl): Likewise. Consult optimize not obey_regdecls.
1853 * toplev.c (obey_regdecls): Remove.
1854 (rest_of_compilation): Don't set it. Kill stupid in favour of
1855 flow1, local-alloc, and reload.
1856 (main): Don't set obey_regdecls.
1858 * config/nextstep.c (handle_pragma): Likewise.
1860 * alpha/alpha.md (allocate_stack): Don't emit USEs for stupid.
1862 * arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't fix reg 0 for stupid.
1864 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1866 * alpha-protos.h: PROTO -> PARAMS.
1867 * alpha.c: Likewise.
1869 * h8300.c: Likewise.
1870 * i386-protos.h: Likewise.
1872 * m32r-protos.h: Likewise.
1875 * mips.md: Likewise.
1876 * gmon-sol2.c: Likewise.
1877 * sparc.c: Likewise.
1879 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1881 * ns32k-protos.h: New file.
1883 * ns32k.c: Fix compile time warnings.
1885 * ns32k.h: Move prototypes to ns32k-protos.h. Fix compile time
1888 * ns32k.md: Likewise.
1890 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1892 * vax-protos.h: New file.
1894 * vax.c: Fix compile time warnings.
1896 * vax.h: Move prototypes to vax-protos.h. Fix compile time
1901 * vaxv.md: Likewise.
1903 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1905 * romp-protos.h: New file.
1907 * romp.c: Fix compile time warnings.
1909 * romp.h: Move prototypes to romp-protos.h. Fix compile time
1912 * romp.md: Likewise.
1914 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1916 * we32k-protos.h: New file.
1918 * we32k.c: Fix compile time warnings.
1920 * we32k.h: Move prototypes to we32k-protos.h. Fix compile time
1923 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1925 * calls.c (emit_call_1): Mark parameter with ATTRIBUTE_UNUSED.
1927 * except.c (eh_regs): Likewise.
1929 * final.c (output_operand): Likewise.
1931 * fold-const.c (target_isinf, target_isnan): Likewise.
1933 Tue Jan 18 16:19:55 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
1935 * i386.h (BIGGEST_ALIGNMENT): Set to 128.
1936 (BIGGEST_FIELD_ALIGNMENT): Set to (TARGET_ALIGN_DOUBLE ? 64 : 32)
1938 * i386.md (memstr): Do not use rep stosb for counts divisible by 4
1940 (clrstrsi): Rewrite.
1941 (strsethi, strsetqi): New expanders.
1942 (strsethi_1, strsetqi_1, rep_stossi, rep_stosqi): New insn patterns.
1943 (cmpstrsi): Emit compare insn before cmpstrsi_1
1944 (cmpstrsi_nz): use flags, set type to str, prefix_length to 1.
1945 (strlensi_1): Likewise.
1946 (cmpstrsi_1): Likewise; do not output compare.
1947 (strlen expander): Do not unroll when optimizing for size.
1948 (*subsi3_carry): Rename to subsi3_carry
1949 (addqi3_cc): New pattern.
1950 * i386.h (processor_costs): Add move_ratio field.
1951 (MOVE_RATIO): Use move_ratio field, set to 3 for OPTIMIZE_SIZE
1952 * i386.c (*_cost): Set move_ratio.
1953 (x86_unroll_strlen): Enable for Athlon, PPro and K6 too.
1954 (x86_expand_strlensi_1): Rewrite the main loop.
1956 2000-01-17 Richard Henderson <rth@cygnus.com>
1958 * combine.c (combine_simplify_rtx): Give FLOAT_STORE_FLAG_VALUE a mode.
1959 * cse.c (find_comparison_args, fold_rtx): Likewise.
1960 * integrate.c (subst_constants): Likewise.
1961 * loop.c (get_condition): Likewise.
1963 * tm.texi (FLOAT_STORE_FLAG_VALUE): Update docs.
1965 * alpha.h (FLOAT_STORE_FLAG_VALUE): Use REAL_VALUE_ATOF.
1967 2000-01-18 Martin v. Löwis <loewis@informatik.hu-berlin.de>
1969 * c-parse.in (SAVE_WARN_FLAGS): Create an INTEGER_CST.
1970 (RESTORE_WARN_FLAGS): Unpack it.
1971 Change semantic type of extension to ttype.
1972 * c-common.c (split_specs_attrs): Expect an INTEGER_CST.
1973 * c-parse.y, c-parse.c, objc/objc-parse.y,
1974 objc/objc-parse.c: Regenerate.
1976 2000-01-17 Zack Weinberg <zack@wolery.cumb.org>
1978 * fixinc/fixlib.c: Add copyright notice.
1979 (compile_re): New function.
1980 * fixinc/fixlib.h: Prototype compile_re.
1982 * fixinc/fixfixes.c, fixinc/fixtests.c, fixinc/fixincl.c:
1983 Use compile_re to compile regular expressions.
1985 * fixinc/fixincl.c (egrep_test): Don't bother asking regexec
1986 where the pattern matched.
1988 * fixinc/inclhack.def (sun_memcpy): Move to AAB_sun_memcpy,
1990 (ultrix_ansi_compat): Likewise.
1991 (interactv_add1): Rename to 'isc_omits_with_stdc', remove shell test,
1993 (interactv_add2, interactv_add3): Delete.
1994 (x11_sprintf): Don't use filename glob.
1995 * fixinc/fixincl.x, fixinc/inclhack.sh, fixinc/fixincl.sh:
1998 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2000 * print-rtl.c: PROTO -> PARAMS.
2002 * reg-stack.c: Likewise.
2003 * resource.c: Likewise.
2004 * sdbout.h: Likewise.
2005 * simplify-rtx.c: Likewise.
2006 * stor-layout.c: Likewise.
2007 * stupid.c: Likewise.
2008 * xcoffout.c: Likewise.
2009 * xcoffout.h: Likewise.
2011 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2013 * toplev.c: PROTO -> PARAMS.
2014 * toplev.h: Likewise.
2017 * unroll.c: Likewise.
2018 * varasm.c: Likewise.
2019 * varray.c: Likewise.
2020 * varray.h: Likewise.
2022 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2024 * reload.c: PROTO -> PARAMS.
2025 * reload.h: Likewise.
2026 * reload1.c: Likewise.
2027 * reorg.c: Likewise.
2028 * resource.h: Likewise.
2031 * rtlanal.c: Likewise.
2032 * sbitmap.h: Likewise.
2033 * sdbout.c: Likewise.
2034 * stack.h: Likewise.
2036 * system.h: Likewise.
2038 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2040 * machmode.h: PROTO -> PARAMS.
2041 * mbchar.h: Likewise.
2042 * mips-tdump.c: Likewise.
2043 * mips-tfile.c: Likewise.
2044 * optabs.c: Likewise.
2045 * output.h: Likewise.
2046 * prefix.c: Likewise.
2047 * profile.c: Likewise.
2048 * protoize.c: Likewise.
2050 * recog.c: Likewise.
2051 * recog.h: Likewise.
2052 * regclass.c: Likewise.
2053 * regmove.c: Likewise.
2056 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2058 * ggc-common.c: PROTO -> PARAMS.
2059 * ggc-page.c: Likewise.
2060 * ggc-simple.c: Likewise.
2062 * global.c: Likewise.
2063 * graph.c: Likewise.
2064 * gthr-win32.h: Likewise.
2065 * haifa-sched.c: Likewise.
2066 * halfpic.h: Likewise.
2067 * integrate.c: Likewise.
2068 * integrate.h: Likewise.
2071 * local-alloc.c: Likewise.
2075 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2077 * genattr.c: PROTO -> PARAMS.
2078 * genattrtab.c: Likewise.
2079 * gencheck.c: Likewise.
2080 * gencodes.c: Likewise.
2081 * genconfig.c: Likewise.
2082 * genemit.c: Likewise.
2083 * genextract.c: Likewise.
2084 * genflags.c: Likewise.
2085 * gengenrtl.c: Likewise.
2086 * genopinit.c: Likewise.
2087 * genoutput.c: Likewise.
2088 * genpeep.c: Likewise.
2089 * genrecog.c: Likewise.
2091 2000-01-16 Mark Mitchell <mark@codesourcery.com>
2093 * tree.h (BINFO_VPTR_FIELD): Augment documentation.
2095 2000-01-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
2097 * aclocal.m4 (AC_FUNC_MMAP_ZERO): New macro.
2098 * configure.in (AC_FUNC_MMAP_ZERO): Use instead of AC_FUNC_MMAP.
2099 * ggc-page.c: Replace HAVE_MMAP with HAVE_MMAP_ZERO.
2100 * configure, config.in: Rebuilt.
2102 2000-01-16 Zack Weinberg <zack@wolery.cumb.org>
2104 * config/i386/i386.md: Add peephole to merge successive stack
2107 Sat Jan 15 15:41:14 EST 2000 John Wehle (john@feith.com)
2109 * gcse.c (insert_insn_end_bb): Use emit_block_insn_before
2110 instead of emit_insn_before. Also handle NOTE_INSN_BASIC_BLOCK
2111 when walking backwards to find all the parameter loads when
2112 the basic block ends in a call.
2114 2000-01-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2116 * loop.c (this_loop_info): Delete.
2117 (uid_loop): Add in place of uid_loop_num. All uses updated.
2118 (loop_number_exit_count): Delete and replace with entry in loop
2119 structure. All uses updated.
2120 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
2121 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
2122 (loop_outer_loop): Likewise.
2123 (loop_invalid, loop_number_exit_labels): Likewise.
2124 (loop_used_count_register): Delete and replace with entry in
2125 loop_info structure.
2126 (find_and_verify_loops): Add loops argument.
2127 (verify_dominator, mark_loop_jump, prescan_loop): Replace loop_start,
2128 loop_end, etc. arguments with loop structure pointer. All callers
2130 (loop_reg_used_before_p, scan_loop, strength_reduce): Likewise.
2131 (check_dbra_loop, next_insn_in_loop, try_copy_prop): Likewise.
2132 (load_mems_and_recount_loop_regs_set, load_mems): Likewise.
2133 (insert_bct): Likewise.
2134 (basic_induction_var): New argument level.
2135 * loop.h (struct loop_info): Delete fields num, loops_enclosed,
2136 vtop, and cont. Add used_count_register.
2137 (uid_loop): Delete declaration.
2138 (loop_number_exit_count): Likewise.
2139 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
2140 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
2141 (loop_outer_loop, loop_used_count_register): Likewise.
2142 (loop_invalid, loop_number_exit_labels): Likewise.
2143 (unroll_loop): Replace loop_start and loop_end arguments
2144 with loop structure pointer.
2145 (loop_precondition_p, loop_iterations): Likewise.
2146 Include basic-block.h.
2147 * unroll.c: (unroll_loop): Replace loop_start and loop_end arguments
2148 with loop structure pointer.
2149 (loop_precondition_p, loop_iterations): Likewise.
2150 * basic-block.h (struct loop): New entries vtop, cont,
2151 cont_dominator, start, end, top, scan_start, exit_labels,
2153 * Makefile.in (LOOP_H): Add basic-block.h to dependencies.
2155 2000-01-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2157 * defaults.h (ASM_OUTPUT_ASCII): Use ISDIGIT.
2159 2000-01-14 Nathan Sidwell <sidwell@codesourcery.com>
2161 * config.in: Rebuilt for 2000-01-13 change to acconfig.h.
2163 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2165 * pdp11-protos.h: New file.
2167 * pdp11.c: Include tm_p.h. Add static prototypes. Fix compile
2170 * pdp11.h: Move prototypes to pdp11-protos.h. Fix compile time
2173 * pdp11.md: Likewise.
2177 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2179 * mn10300-protos.h: New file.
2181 * mn10300.c: Include tm_p.h. Add static prototypes. Fix compile
2184 * mn10300.h: Move prototypes to mn10300-protos.h. Fix compile time
2187 * mn10300.md: Likewise.
2189 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2191 * mn10200-protos.h: New file.
2193 * mn10200.c: Include tm_p.h. Add static prototypes. Fix compile
2196 * mn10200.h: Move prototypes to mn10200-protos.h. Fix compile time
2199 * mn10200.md: Likewise.
2201 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2203 * h8300-protos.h: New file.
2205 * h8300.c: Include tm_p.h. Add static prototypes. Fix compile
2208 * h8300.h: Move prototypes to h8300-protos.h. Fix compile time
2211 * h8300.md: Likewise.
2213 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2215 * varasm.c (asm_output_bss): Mark parameters with ATTRIBUTE_UNUSED.
2216 (asm_emit_uninitialised): Likewise.
2218 2000-01-13 Gavin Romig-Koch <gavin@cygnus.com>
2220 * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): New.
2221 * config/mips/mips.md: Use ISA_HAS_INT_CONDMOVE.
2223 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
2225 * config/mips/mips.c (override_options): Don't turn on extra
2226 alignment for mips16.
2228 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
2230 * config/mips/mips.c (mips_va_arg): Fix fprv for the 32 bit
2231 eabi, and make sure queued POSTINCREMENT rtl is emitted at
2234 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
2236 * builtins.c (PAD_VARARGS_DOWN): Define.
2237 (std_expand_builtin_va_arg): Use the above macro.
2238 * config/mips/mips.h (PAD_VARARGS_DOWN): Define.
2239 * tm.texi (Register Arguments): Document the above macro.
2241 2000-01-14 Nick Clifton <nickc@cygnus.com>
2243 * emit-rtl.c (emit_insn): If checking is enabled, make sure
2244 that this function has not been used to emit a jump
2247 * jump.c (return_jump_1): Cope with being passed a null rtx.
2249 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2251 * eh-common.h: PROTO -> PARAMS.
2252 * emit-rtl.c: Likewise.
2253 * errors.c: Likewise.
2254 * errors.h: Likewise.
2255 * except.c: Likewise.
2256 * except.h: Likewise.
2257 * explow.c: Likewise.
2258 * expmed.c: Likewise.
2261 * final.c: Likewise.
2262 * fix-header.c: Likewise.
2264 * fold-const.c: Likewise.
2265 * function.c: Likewise.
2266 * function.h: Likewise.
2268 * gcov-io.h: Likewise.
2272 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2274 * sh-protos.h: New file.
2276 * sh.c: Include insn-config.h, toplev.h, recog.h and tm_p.h.
2277 Add static prototypes. Fix compile time warnings.
2279 * sh.h: Move prototypes to sh-protos.h. Fix compile time warnings.
2283 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2285 * arc-protos.h: New file.
2287 * arc.c: Include tm_p.h. Add static prototypes. Fix compile
2290 * arc.h: Move prototypes to arc-protos.h. Fix compile time
2295 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2297 * dsp16xx-protos.h: New file.
2299 * dsp16xx.c: Include tm_p.h. Add static prototypes. Fix compile
2302 * dsp16xx.h: Move prototypes to dsp16xx-protos.h. Fix compile time
2305 * dsp16xx.md: Likewise.
2307 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2309 * convex-protos.h: New file.
2311 * convex.c: Include tm_p.h. Add static prototypes. Fix compile
2314 * convex.h: Move prototypes to convex-protos.h. Fix compile time
2317 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2319 * elxsi-protos.h: New file.
2321 * elxsi.c: Include tm_p.h. Add static prototypes. Fix compile
2324 * elxsi.h: Move prototypes to elxsi-protos.h. Fix compile time
2327 * elxsi.md: Likewise.
2329 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
2331 * config/mips/mips.h (REGISTER_MOVE_COST): Remove redundant
2332 case for moving from HI/LO/HI_LO_REG. This makes the behavior
2333 match the comment for MIPS16.
2335 Fri Jan 14 00:28:06 2000 Jeffrey A Law (law@cygnus.com)
2337 * flow.c (split_edge): Do not call set_block_for_insn if we
2338 do not have a basic_block_for_insn structure.
2340 * fr30.h (TRAMPOLINE_TEMPLATE): Use nops to ensure the static chain
2341 and destination functions are 32bit aligned within the trampoline.
2342 (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Corresponding changes.
2343 (TRAMPOLINE_ALIGNMENT): Define.
2345 * cse.c (cse_insn): When changing (set (pc) (reg)) to
2346 (set (pc) (label_ref)), verify the change creates a valid insn.
2348 * fr30.c (call_operand): Tighten and rework to match rules for
2349 call RTL expressions.
2350 * fr30.h (PREDICATE_CODES, case call_operand): Only allow MEMs.
2351 * fr30.md (call patterns): Improve constraints.
2353 Thu Jan 13 23:44:03 2000 Richard Henderson <rth@cygnus.com>
2355 * fr30.c (fr30_expand_epilogue): Revert last change.
2356 Use emit_jump_insn for the return insn.
2358 Thu Jan 13 14:46:03 2000 Jason Eckhardt <jle@cygnus.com>
2359 Stan Cox <scox@cygnus.com>
2361 * predict.c: New file. Preliminary infrastructure work for static
2362 branch prediction and basic block reordering.
2363 * basic-block.h: Add prototype for estimate_probability.
2364 * Makefile.in: Add rules for predict.o.
2366 2000-01-13 Jason Merrill <jason@yorick.cygnus.com>
2368 * fixincludes (va_list): Use __not_va_list__ for the dummy.
2369 * fixinc/*: Likewise.
2371 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2373 * cccp.c: PROTO -> PARAMS.
2375 * collect2.c: Likewise.
2376 * combine.c: Likewise.
2377 * convert.h: Likewise.
2379 * dbxout.c: Likewise.
2380 * dbxout.h: Likewise.
2381 * diagnostic.c: Likewise.
2382 * doprint.c: Likewise.
2383 * dwarf2out.c: Likewise.
2384 * dwarf2out.h: Likewise.
2385 * dwarfout.c: Likewise.
2386 * dwarfout.h: Likewise.
2387 * dyn-string.h: Likewise.
2389 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2391 * calls.c (emit_call_1): Wrap varaible `struct_value_size_rtx' in
2392 macro conditionals guarding use.
2394 * dwarf2out.c: Include "tm_p.h".
2396 * function.c (locate_and_pad_parm): Mark parameter with
2398 (expand_function_end): Likewise for variable `context'.
2400 * reorg.c (make_return_insns): Wrap prototype in macro HAVE_return.
2402 2000-01-13 Nick Clifton <nickc@cygnus.com>
2404 * config/fr30/fr30.c (fr30_expand_epilogue): Emit USEs of pop'ed
2405 register to prevent compile time warnings.
2407 2000-01-13 Zack Weinberg <zack@wolery.cumb.org>
2409 * longlong.h [i386] (udiv_qrnnd): Rename 'd' argument to 'dv'
2410 to avoid -Wtraditional warning.
2412 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2414 * 1750a-protos.h: New file.
2416 * 1750a.c: Include tm_p.h. Add static prototypes. Fix compile
2419 * 1750a.h: Move prototypes to 1750a-protos.h. Fix compile time
2422 * 1750a.md: Likewise.
2424 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2426 * a29k-protos.h: New file.
2428 * a29k.c: Include tm_p.h. Add static prototypes. Fix compile
2431 * a29k.h: Move prototypes to a29k-protos.h. Fix compile time
2434 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2436 * clipper-protos.h: New file.
2438 * clipper.c: Include tm_p.h. Add static prototypes. Fix compile
2441 * clipper.h: Move prototypes to clipper-protos.h. Fix compile time
2444 Thu Jan 13 16:03:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2446 * reload1.c (reload_combine_note_store): Use HARD_REGNO_NREGS.
2448 2000-01-13 Nathan Sidwell <sidwell@codesourcery.com>
2450 * configure.in (--enable-new-gxx-abi): New option.
2451 * acconfig.h (ENABLE_NEW_GXX_ABI): New define.
2452 * Makefile.in (GXX_ABI_FLAG): New variable.
2453 * configure: Regenerate.
2455 2000-01-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2457 * stor-layout.c (layout_type): Use FORCE_STRUCT_BLK.
2458 * tm.texi (FORCE_STRUCT_BLK): Document.
2459 * config/c4x/c4x.h (FORCE_STRUCT_BLK): New macro.
2461 Wed Jan 12 23:12:47 2000 Hans-Peter Nilsson <hp@axis.com>
2463 * config/ns32k/ns32k.md: Revert Jan 9 change.
2465 * genrecog.c (maybe_both_true_2): Do not compare a predicate-test
2466 to a mode-test, if the predicate is address_operand.
2468 Wed Jan 12 22:34:00 2000 Jeffrey A Law (law@cygnus.com)
2470 * combine.c (if_then_else_cond): Be careful about what kinds
2471 of RTL expressions are passed to operand_subword.
2473 * flow.c (split_edge): If we have to insert a new jump, make
2474 sure to associate it with a basic block.
2476 * flow.c (commit_one_edge_insertion): A block with one successor
2477 can end in a JUMP_INSN that is not a simplejump.
2479 2000-01-12 Robert Lipe <robertl@sco.com>
2481 * i386/sco5.h (INIT_SECTION_ASM_OP_COFF): Rename section to "ctor".
2482 (BUILD_VA_LIST_TYPE): Define.
2483 (EH_FRAME_SECTION_ASM_OP): Explictly define to better interact
2486 2000-01-12 Jason Merrill <jason@casey.cygnus.com>
2488 * cccp.c (do_pragma): Add cast to (char *).
2490 2000-01-12 Richard Henderson <rth@cygnus.com>
2491 Fred Fish <fnf@be.com>
2492 Jason Merrill <jason@cygnus.com>
2494 * configure.in (i?86-*-beos{pe,elf,}*): Recognize.
2495 * i386/t-beos, i386/x-beos, i386/xm-beos.h: New files.
2496 * i386/beos-elf.h, i386/beos-pe.h: New files.
2498 * Makefile.in (CROSS_SYSTEM_HEADER_DIR): New.
2499 * cross-make (SYSTEM_HEADER_DIR): Define using
2500 CROSS_SYSTEM_HEADER_DIR.
2502 * gcc.c (LIBRARY_PATH_ENV): Provide default.
2503 (process_command): Use it.
2504 (main): Likewise. Kill trailing = from env vars.
2505 (build_search_list): Put it back.
2506 * collect2.c (main): Use LIBRARY_PATH_ENV.
2508 * configure.in (GCC_NEED_DECLARATIONS): Add environ.
2509 * toplev.c: Use NEED_DECLARATION_ENVIRON.
2511 * tm.texi (Frame Layout): Document SMALL_STACK.
2512 * c-common.c (c_common_nodes_and_builtins): Check it.
2514 * system.h: Undef alloca after including glibc's <stdlib.h>,
2515 if USE_C_ALLOCA is defined.
2517 * gcc.c (set_input): New fn.
2518 (main): After all input files are compiled, reset the input file
2521 * aclocal.m4 (rindex, index): If already defined, don't attempt
2524 * ginclude/varargs.h: (__va_list__): Define ifndef.
2525 * ginclude/stdarg.h: Likewise.
2527 * ginclude/stddef.h (__WCHAR_TYPE__) [BEOS]: Use int
2528 instead of unsigned char.
2530 * hash.h (true, false, boolean): Undef before enum.
2532 * expmed.c (choose_multiplier): Cast &mhigh_lo and &mhigh_hi to be
2533 proper type of "HOST_WIDE_INT *", rather than their natural type of
2534 "unsigned HOST_WIDE_INT *".
2536 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2538 * svr3.h (ASM_FILE_START): Wrap if-clause in squigly brackets.
2540 * recog.c (memory_address_p): Mark parameter with ATTRIBUTE_UNUSED.
2542 * regclass.c (choose_hard_reg_mode): Likewise.
2544 * reload.c (find_valid_class, strict_memory_address_p): Likewise.
2546 * reorg.c (optimize_skip): Wrap prototype in macro conditionals.
2548 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2550 * c-common.c: PROTO -> PARAMS.
2551 * c-common.h: Likewise.
2552 * c-decl.c: Likewise.
2553 * c-iterate.c: Likewise.
2554 * c-lang.c: Likewise.
2555 * c-lex.c: Likewise.
2556 * c-lex.h: Likewise.
2557 * c-parse.in: Likewise.
2558 * c-pragma.c: Likewise.
2559 * c-pragma.h: Likewise.
2560 * c-tree.h: Likewise.
2561 * c-typeck.c: Likewise.
2562 * objc/objc-act.c: Likewise.
2563 * objc/objc-act.h: Likewise.
2565 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2567 * m88k-protos.h: New file.
2569 * m88k.c: Include tm_p.h. Add static prototypes. Fix compile
2572 * m88k.h: Move prototypes to m88k-protos.h. Fix compile time warnings.
2574 * m88k.md: Likewise.
2576 * tekXD88.h: Likewise.
2578 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2580 * m68k-protos.h: New file.
2582 * m68k.c: Include tm_p.h. Add static prototypes. Fix compile
2585 * m68k.h: Move prototypes to m68k-protos.h. Fix compile time warnings.
2587 * mot3300.h: Likewise.
2589 2000-01-12 Richard Earnshaw <rearnsha@arm.com>
2591 * haifa-sched.c (split_edges): Pass edgeset_size as second arg to
2593 (extract_bitlist): Declare bitlen.
2595 2000-01-12 Zack Weinberg <zack@wolery.cumb.org
2597 * cccp.c: Accept and ignore -lang-fortran.
2599 * c-typeck.c (build_c_cast): Issue -Wcast-qual warnings if the
2600 qualifiers don't match at any level of pointerness.
2602 2000-01-12 Robert Lipe <robertl@sco.com>
2604 * i386/sysv5.h (CPP_SPEC, LIBSPEC): Add -pthreadT.
2606 2000-01-12 Bernd Schmidt <bernds@cygnus.co.uk>
2608 * reload1.c (reload_reg_unavailable): New static variable.
2609 (reload_reg_free_p): Test it.
2610 (reload_reg_free_for_value_p): Test it instead of
2612 (choose_reload_regs_init): Compute it.
2614 Wed Jan 12 03:24:41 2000 Toshiyasu Morita (toshi.morita@sega.com)
2616 * reorg.c (fill_slots_from_thread): Check modified_in_p
2619 Wed Jan 12 03:20:31 2000 John Marshall <john_w_marshall@palm.com>
2621 * gcc.texi (Funding, GNU/Linux, Copying, Contributors): Format
2622 these nodes even if INTERNALS is not set.
2624 Wed Jan 12 09:39:22 2000 Nick Burrett <nick.burrett@btinternet.com>
2626 * gcse.c (delete_null_pointer_checks_1): Cope when
2627 get_condition cannot determine the condition.
2629 2000-01-12 Gabriel Dos Reis <gdr@codesourcery.com>
2631 * toplev.h (set_message_length): Declare.
2633 * diagnostic.c (obstack_chunk_alloc): Define macro.
2634 (obstack_chunk_free): Likewise.
2635 (struct output_buffer): New data structure.
2637 (output_maximum_width): New variable.
2638 (doing_line_wrapping, set_message_length, init_output_buffer,
2639 get_output_prefix, output_space_left, emit_output_prefix,
2640 output_newline, output_append, output_puts, dump_output,
2641 vbuild_message_string, build_message_string, build_location_prefix,
2642 voutput_notice, output_printf, line_wrapper_printf,
2643 vline_wrapper_message_with_location): New functions. Implement
2644 automatic line wrapping.
2645 (v_message_with_decl): Make it handle automatic line wrapping.
2646 (v_error_with_file_and_line): Likewise.
2647 (v_warning_with_file_and_line): Likewise.
2648 (announce_function): Likewise.
2649 (default_print_error_function): Likewise.
2651 2000-01-11 16:24 -0800 Zack Weinberg <zack@wolery.cumb.org>
2653 * cpplib.h (struct cpp_options): Change lang_asm to char.
2655 * cppinit.c (builtin_array): Take out __STDC_VERSION__, it's
2656 done in cpp_handle_option now.
2657 (initialize_builtins): Take out special case code used only by
2659 (cpp_handle_option): Turn off trigraphs and trigraph warnings
2660 if -traditional. Recognize -lang-fortran and set
2661 lang_fortran, also turn off cplusplus_comments.
2662 (print_help): Document -lang-fortran.
2663 * cpplib.c (handle_directive): Ignore `# 123 "file"' if
2664 lang_asm. Ignore all directives other than `# 123 "file"' if
2666 (cpp_get_token): If -traditional, don't recognize directives
2667 unless the # is in column 1.
2668 (parse_string): If lang_fortran or lang_asm, silently
2669 terminate strings ('' or "") at end of line.
2670 Remove unnecessary braces.
2672 2000-01-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
2673 Richard Henderson <rth@cygnus.com>
2675 * resource.c (mark_referenced_resources): Mark a set strict_low_part
2677 * config/i386/i386.c (ix86_expand_setcc): Re-enable clear + set
2678 strict_low_part when possible.
2680 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2682 * alias.c: PROTO -> PARAMS.
2683 * basic-block.h: Likewise.
2684 * bitmap.c: Likewise.
2685 * bitmap.h: Likewise.
2686 * builtins.c: Likewise.
2687 * c-aux-info.c: Likewise.
2688 * caller-save.c: Likewise.
2689 * calls.c: Likewise.
2691 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2693 * Makefile.in (toplev.o): Depend on regs.h.
2695 * output.h (tdesc_section): Prototype.
2697 * regclass.c (copy_cost): Mark parameters with ATTRIBUTE_UNUSED.
2699 * sdbout.c: Include "tm_p.h".
2701 * toplev.c: Include "regs.h".
2703 Tue Jan 11 11:37:58 2000 Mike Stump <mrs@wrs.com>
2705 * unroll.c (unroll_loop): Add EH support.
2707 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2709 * pa-protos.h: New file.
2711 * pa.c: Include recog.h and tm_p.h.
2712 (compute_zdepwi_operands, compute_movstrsi_length,
2713 remove_useless_addtr_insns, store_reg, load_reg, set_reg_plus_d,
2714 find_addr_reg, import_milli): Add static prototypes.
2715 (pa_cpu_string, pa_arch_string): Constify a char*.
2716 (legitimize_pic_address): Pass argument `mode' to pic_label_operand.
2717 (read_only_operand): Add argument `mode'.
2718 (singlemove_string, output_move_double, output_fp_move_double,
2719 output_block_move, output_and, output_ior, output_ascii,
2720 remove_useless_addtr_insns, milli_names, output_mul_insn,
2721 output_div_insn, output_mod_insn, output_arg_descriptor,
2722 output_cbranch, output_bb, output_bvb, output_dbra, ,
2723 output_millicode_call, output_call, hppa_encode_label,
2724 output_parallel_movb, output_parallel_addb): Constify a char*.
2725 (hppa_va_start): Mark parameter `stdarg_p' with ATTRIBUTE_UNUSED.
2726 (output_parallel_addb): Remove extra arg to `constrain_operands'
2728 * pa.h: Move all prototypes to pa-protos.h.
2729 (pa_cpu_string, pa_arch_string): Constify a char*.
2730 (LEGITIMIZE_ADDRESS): Call `symbolic_operand' with mode argument.
2732 * pa.md: Call `function_label_operand' with mode argument.
2733 Likewise for `read_only_operand'.
2734 Fix nesting of parens in call to `symbolic_operand'.
2736 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2738 * i860-protos.h: New file.
2740 * i860.c: Include tm_p.h. Add static prototypes. Fix compile
2743 * i860.h: Move prototypes to i860-protos.h. Fix compile time warnings.
2745 * i860.md: Likewise.
2747 Tue Jan 11 18:59:35 MET 2000 Jan Hubicka <jh@suse.cz>
2749 * i386.md (movstrsi expander): Rewrite.
2750 (movstrsi_1 insn): Deleted.
2751 (strmovhi, strmovqi expander): New expanders.
2752 (movshi_1, movsqi_1, rep_movsi, rep_movqi): New patterns.
2753 * i386.c (x86_single_stringop): New global variable.
2754 * i386.h (x86_single_stringop): Declare.
2755 (TARGET_SINGLE_STRINGOP): New macro.
2757 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
2759 * config/mips/mips.c (mips_va_arg): For EABI, emit the queued
2760 integer vararg POSTINCREMENT before the destination of the jump
2761 for the hard fp case.
2762 (function_arg_pass_by_reference): Pass a copy of CUM to
2765 * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Move check
2766 for CONSTANT_ADDRESS_P above while loop for subreg.
2768 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
2770 * flow.c (propagate_block): When a prologue/epilogue insn
2771 is marked dead, unconditionally clear libcall_is_dead and
2772 insn_is_dead, and only dump rtl if warnings aren't being
2775 Tue Jan 11 16:26:47 MET 2000 Jan Hubicka <jh@suse.cz>
2777 * i386.c (ix86_attr_length_default): Handle TYPE_STR and TYPE_CLD.
2778 * i386.md (FIRST_PSEUDO_REGISTER): Set to 20.
2779 (FIXED_REGISTERS): Set dirflag as fixed.
2780 (CALL_USED_REGISTERS): Set dirflag as used.
2781 (REG_ALLOC_ORDER): Set dirflag as last one.
2782 (DIRFLAG_REG): New macro.
2783 (MD_ASM_CLOBBERS): Asm clobber dirflag for backward compatibility.
2784 (HI_REGISTER_NAMES): Add dirflag.
2785 (DEBUF_PRINT_REG): Handle dirflag.
2786 * i386.md (type attribute): New cld and str types.
2787 (length_opcode attribute): Set cld and str to 1.
2788 (memory attribute): Set str to unknown - it is not clear from the
2790 (pent_np function unit): Prefixed string operations takes 12 cycles
2791 minimally; cld takes 2 cycles.
2792 (ppro_uops attribute): Str is "many" and cld is "few".
2793 (ppro_p0 unit): Handle cld here.
2794 (k6_alux unit): Handle cld and str types.
2795 (k6_load unit): It is ocupied by str opcodes.
2796 (k6_store unit): It is ocupied by str opcodes.
2797 (athlon_decode): Str is vector decoded.
2798 (athlon_ieu): Handle str and cld.
2800 (movstrsi, clrstr, cmpstr, strlen expander): Emit cld instruction
2801 (movstrsi_1, clrstrsi_1, cmpstrsi_1, strlensi_1,
2802 cmpstrsi_nz_1 insn): Do not output cld instruction
2804 Tue Jan 11 06:14:39 2000 David Starner <dstarner98@aasaa.ofe.org>
2806 * gcc.texi (G++ and GCC): Add Java and Chill.
2807 (Bug Critera): Don't list languages.
2809 * gcc.texi (Incompatibilities): No longer claim most C compilers
2812 * gcc.texi (G++ and GCC): Update other front-ends list.
2814 Tue Jan 11 05:49:01 2000 Jeffrey A Law (law@cygnus.com)
2816 * i386.c (ix86_expand_setcc): Fix typo.
2817 (ix86_expand_movcc): Similarly.
2819 * Band-aid until haifa's bitset implementation is nuked.
2820 * haifa-sched.c (extract_bitlst): New parameter for size of the
2821 bitset in bits. All callers changed. Avoid looking at undefined
2823 (edgeset_bitsize): New variable.
2824 (schedule_region): Initialize edgeset_bitsize.
2826 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2828 * Makefile.in (optabs.o): Depend on real.h
2829 (resource.o): Depend on insn-attr.h
2831 * builtins.c (result_vector): Wrap prototype in macro conditions
2832 governing definition and use.
2834 * c-common.c: Include tm_p.h.
2836 * c-lex.c: Likewise.
2838 * elfos.h: Constify a char*.
2840 * final.c (align_fuzz): Wrap prototype in macro HAVE_ATTR_length.
2841 (get_attr_length, shorten_branches, profile_after_prologue): Mark
2842 parameter with ATTRIBUTE_UNUSED.
2844 * fold-const.c (exact_real_inverse): Wrap variable `i' in
2847 * haifa-sched.c (schedule_insns): Mark parameter with
2850 * optabs.c: Include real.h.
2852 * real.h (ereal_atof): Add prototype arguments.
2854 * resource.c: Include insn-attr.h.
2856 * sdbout.c (sdbout_queue_anonymous_type,
2857 sdbout_dequeue_anonymous_types): Wrap in macro
2858 SDB_ALLOW_FORWARD_REFERENCES.
2859 (sdbout_init, sdbout_start_new_source_file): Mark parameter with
2862 * stmt.c (expand_return): Wrap variable `op0' in macro HAVE_return.
2864 * stupid.c: Include tm_p.h.
2866 * tree.c (real_value_from_int_cst): Mark parameter with
2869 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2871 * i960-protos.h: New file.
2873 * i960.c: Include tm_p.h. Add static prototypes. Fix compile
2876 * i960.h: Move prototypes to i960-protos.h. Fix compile time warnings.
2878 2000-01-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
2880 * combine.c (expand_field_assignment): Do not discard SUBREGs
2881 while computing nonzero_bits.
2883 2000-01-09 Nick Clifton <nickc@cygnus.com>
2885 * config/arm/arm.c: Fix compile time warnings about signed vs
2887 * config/arm/arm.h: Fix compile time warnings about signed vs
2890 2000-01-09 Philip Blundell <philb@gnu.org>
2892 * config/arm/arm.c (output_return_instruction): Use `ldr' rather
2893 than `ldm' with only one register.
2894 * config/arm/arm.md (push_multi): Use `str' rather than `stm' with
2897 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Say that R0 is
2900 Sun Jan 9 17:50:23 2000 Hans-Peter Nilsson <hp@axis.com>
2902 * config/ns32k/ns32k.md (load or push effective address): Operand 1
2905 2000-01-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2907 * elfos.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
2908 assignment used as truth value.
2910 * function.c (assign_temp): Mark parameter `dont_promote' with
2911 ATTRIBUTE_UNUSED. Wrap variable `unsignedp' with macro
2912 PROMOTE_FOR_CALL_ONLY.
2914 * genrecog.c (write_subroutine): Mark variable `operands' with
2917 * optabs.c (prepare_cmp_insn): Mark parameter `align' with
2920 * sdbout.c (sdbout_init): Likewise for parameter `asm_file'.
2921 (sdbout_begin_block, sdbout_end_block): Likewise for `file'.
2923 * toplev.c (note_deferral_of_defined_inline_function): Likewise
2926 2000-01-09 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2928 * config/c4x.h: Tidy up comments.
2929 * config/c4x.c: Likewise.
2931 Sun Jan 9 01:02:55 EST 2000 John Wehle (john@feith.com)
2933 * fold-const.c (lshift_double, rshift_double): Handle
2934 shifting by 2 * HOST_BITS_PER_WIDE_INT correctly.
2936 2000-01-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
2938 * toplev.c (rest_of_compilation): Initialize cse_not_expected as
2939 in prepare_function_start().
2941 Sat Jan 8 12:12:46 2000 Nick Clifton <nickc@cygnus.com>
2943 * config/v850/v850.c (expand_epilogue): Interrupt functions no
2944 longer allocate extra stack for function calls.
2946 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2948 * config/c4x/c4x.md (*subqf3_set): Fix typo.
2950 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2952 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Define as 0.
2954 2000-01-07 David Edelsohn <edelsohn@gnu.org>
2956 * rs6000.c (processor_target_table): Add power3 as alias for 630.
2957 * aix43.h: Revert Aug 2 change.
2958 (HAS_INIT_SECTION): Define, not visible yet.
2959 (LD_INIT_SWITCH): Define, not visible yet.
2960 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
2962 * glimits.h (__LONG_MAX__): Recognize 64-bit AIX too.
2964 * collect2.c (main): Expand ld2 size further.
2965 (export_object_lst): Cast assignment to avoid warning.
2966 (main, LD_INIT_SWITCH): Add AIX 4.2+ -binitfini support.
2967 (scan_prog_file, COFF): Do not collect initialization or
2968 finalization functions generated for entire shared object if
2969 init/fini support present.
2971 2000-01-07 Nick Clifton <nickc@cygnus.com>
2973 * config/elfos.h: Tidy up formatting of marcos. Make sure
2974 that .section directives are always prefixed by a tab.
2976 * config/svr4.h: Add #include "elfos.h" and remove duplicate
2979 2000-01-07 Matt Austern <austern@sgi.com>
2981 * fold-const.c (real_hex_to_f): Remove duplicate declaration of
2984 Fri Jan 7 01:55:34 2000 Jeffrey A Law (law@cygnus.com)
2986 * Makefile.in (crtend.o): Pass @inhibit_libc@ to compilation of
2988 (crtbegin.o, s-crtS): Likewise.
2990 2000-01-06 Richard Henderson <rth@cygnus.com>
2992 * alpha.md (adddi_2+1): Limit offset such that it will be
2993 loadable with a single ldah+lda pair.
2994 (adddi_2+2): Explicitly fail split if we can't make it work.
2996 2000-01-06 Mumit Khan <khan@xraylith.wisc.edu>
2998 * protoize.c: Conditionally include unistd.h.
2999 (IS_SAME_PATH_CHAR): New macro.
3000 (IS_SAME_PATH): New macro.
3001 (CPLUS_FILE_SUFFIX): New macro.
3002 (cplus_suffix): New static variable.
3003 (is_abspath): New static function.
3004 (in_system_include_dir): Handle DOS style pathnames.
3005 (file_could_be_converted): Likewise.
3006 (file_normally_convertible): Likewise.
3007 (directory_specified_p): Likewise.
3008 (file_excluded_p): Likewise.
3009 (abspath): Likewise.
3010 (shortpath): Likewise.
3011 (referenced_file_is_newer): Likewise.
3012 (save_def_or_dec): Likewise.
3013 (do_processing): Likewise.
3015 (edit_file): Likewise. Use rename instead of link.
3016 (rename_c_file): Likewise. Don't rename syscalls file.
3017 (munge_compile_params): Define null device for DOS based systems.
3018 (process_aux_info_file): Use binary mode if appliable.
3019 (edit_file): Likewise.
3020 * invoke.texi (Running Protoize): Document C++ suffixes used.
3022 * cccp.c: Delete PATH_SEPARATOR, DIR_SEPARATOR and
3023 IS_DIR_SEPARATOR macros.
3024 * collect2.c: Likewise.
3025 * cppinit.c: Likewise.
3026 * dwarf2out.c: Likewise.
3029 * prefix.c: Likewise.
3031 * toplev.c: Likewise.
3032 * system.h: And move to here.
3034 * prefix.c (update_path): Fix typo in variable name.
3036 2000-01-06 Richard Henderson <rth@cygnus.com>
3038 * flow.c (mark_set_1): Use loop_depth+1 as reference weight.
3039 (find_auto_inc, mark_used_regs, try_pre_increment_1): Likewise.
3040 (count_reg_sets_1, count_reg_references): Likewise.
3041 (flow_loops_level_compute): Start counting actual loop depth at 1.
3042 (flow_loops_find): Likewise.
3043 * local-alloc.c (update_equiv_regs): Likewise.
3044 * regclass.c (regclass): Re-instate Jan 4 0-based loop_depth change.
3046 2000-01-06 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
3048 * defaults.h (DWARF_FRAME_REGISTERS): if not defined, default to
3049 FIRST_PSEUDO_REGISTER
3050 * dwarf2out.c: Don't include frame.h
3051 * dwarfout.c: Likewise
3052 * Makefile.in (dwarfout.o, dwarf2out.o): Remove dependence on
3055 Thu Jan 6 13:44:59 CET 2000 Jan Hubicka <jh@suse.cz>
3057 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
3060 * i386.c (movsf splitter): Fix typo in my last checkin.
3062 2000-01-05 Nick Clifton <nickc@cygnus.com>
3064 * varasm.c (IN_NAMED_SECTION): Allow targets to provide their
3065 own definition of this macro.
3066 (asm_emit_uninitialised): Invoke UNIQUE_SECTION if either
3067 flag_data_sections or UNIQUE_SECTION_P are true.
3069 * tm.texi (UNIQUE_SECTION): Document that it can be called for
3070 unitialised data decls.
3072 * config/i386/winnt.c (i386_pe_unique_section): Cope with
3073 being called for uninitialised data.
3075 * config/i386/interix.c (i386_pe_unique_section): Cope with
3076 being called for uninitialised data.
3078 * config/mips/elf.h (UNIQUE_SECTION): Cope with being called
3079 for uninitialised data.
3081 * config/mips/elf64.h (UNIQUE_SECTION): Cope with being called
3082 for uninitialised data.
3084 * config/mips/iri6gld.h (UNIQUE_SECTION): Cope with being called
3085 for uninitialised data.
3087 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Define.
3088 (UNIQUE_SECTION_P): Always generate a unique section if
3089 flag_data_sections is true.
3090 (UNIQUE_SECTION): Also generate unique sections for
3092 (ASM_OUTPUT_ALIGNED_BSS): Redefine to use named_section().
3093 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Redefine to use
3096 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3098 * config/c4x/t-c4x (TARGET_LIBGCC2_CFLAGS): Don't redefine SF, DF,
3101 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3103 * config/c4x/c4x.md (udivqi3, divqi3): Delete.
3104 (umodqi3, modqi3, udivhi3, divhi3, umodhi3, modhi3, ffsqi2): Likewise.
3105 (*smulqi3_highpart_noclobber, *umulqi3_highpart_noclobber): New.
3106 (*lshrqi3_const_noclobber, *lshrqi3_nonconst_noclobber): Likewise.
3107 (*ashrqi3_const_noclobber, *ashrqi3_nonconst_noclobber): Likewise.
3109 * c4x.h (INIT_TARGET_OPTABS): Define to init libcalls.
3111 2000-01-05 11:25 -0800 Zack Weinberg <zack@rabi.columbia.edu>
3113 * c-decl.c (finish_enum): Simplify code to determine minimum and
3114 maximum values of the enum, and calculate the type. Remove check
3115 for FUNCTION_DECLs in the values list, which cannot happen. Replace
3116 the DECL_INITIAL of each enumeration constant with a copy converted
3117 to the enumeration type. When updating variant types, don't bother
3118 updating the type itself.
3120 * c-typeck.c (build_binary_op): Simplify conditional expressions
3121 when weeding out spurious signed-unsigned warnings. Add new
3122 spurious warning category: if the unsigned quantity is an enum
3123 and its maximum value fits in signed_type(result_type). Update
3125 (build_conditional_expr): Warn here if one alternative is signed
3126 and the other is unsigned.
3128 2000-01-05 Nick Clifton <nickc@cygnus.com>
3130 * config/fr30/fr30.h: Remove extraneous comments.
3132 2000-01-05 Bernd Schmidt <bernds@cygnus.co.uk>
3134 * reload1.c (choose_reload_regs): When disabling a reload, also
3135 set reload_spill_index to -1.
3137 2000-01-04 Joel Sherrill (joel@OARcorp.com>
3139 * configure.in (m68*-*-rtemscoff*): New target, formal name for
3141 (m68*-*-rtemself*): New target.
3142 (mips64orion-*-rtems*): Remove duplicate definition of tm_file.
3143 (sparc*-*-rtemsaout*): New target, formal name for old sparc*-*-rtems*.
3144 (sparc*-*-rtemself*): New target.
3145 (sparc*-*-rtems*): Now elf not a.out.
3146 * config/i386/rtems.h: Include config/rtems.h.
3147 * config/i386/rtemself.h: Include config/rtems.h.
3148 * config/i960/rtems.h: Include config/rtems.h.
3149 * config/m68k/rtems.h: Include config/rtems.h.
3150 * config/m68k/rtemself.h: Include config/rtems.h.
3151 * config/mips/rtems64.h: Include config/rtems.h.
3152 * config/pa/rtems.h: Include config/rtems.h.
3153 * config/rs6000/rtems.h: Include config/rtems.h.
3154 * config/sh/rtems.h: Include config/rtems.h.
3155 * config/sh/rtemself.h: Include config/rtems.h.
3156 * config/sparc/rtems.h: Include config/rtems.h.
3157 * config/sparc/rtemself.h: Include config/rtems.h
3159 Tue Jan 4 23:59:26 2000 Denis Chertykov <denisc@overta.ru>
3161 * final.c (shorten_branches): Correctly compute length of
3162 asms without operands.
3164 Tue Jan 4 22:55:41 2000 Steve Chamberlain <sac@pobox.com>
3166 * configure.in: Add pj target.
3167 * configure: Regenerate.
3168 * config/pj: New directory.
3169 * config/pj/lib1funcs.S: New file.
3170 * config/pj/linux.h: New file.
3171 * config/pj/pj.c: New file.
3172 * config/pj/pj.md: New file.
3173 * config/pj/pjl.h: New file.
3174 * config/pj/t-pj: New file.
3175 * config/pj/xm-pj.h: New file
3177 Tue Jan 4 22:30:16 2000 Jeffrey A Law (law@cygnus.com)
3179 * toplev.c (rest_of_compilation): Run shorten-branches before
3182 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3184 * config/c4x/c4x.h (IS_XXX_REG, IS_XXX_REGNO): Swap behaviour of
3185 macros so that they're consistent with their names.
3186 * config/c4x/c4x.c (IS_XXX_REG, IS_XXX_REGNO): Likewise.
3187 * config/c4x/c4x.md (IS_XXX_REG, IS_XXX_REGNO): Likewise.
3189 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3191 * config/c4x/c4x.md (*addqi3_noclobber_reload): Ensure that CC never
3192 modified inadvertently.
3194 2000-01-04 Joel Sherrill <joel@OARcorp.com>
3196 * configure.in (v850*-*-rtems*): New target.
3197 * configure: Regenerate.
3198 * config/v850/rtems.h: New file.
3200 2000-01-04 Mumit Khan <khan@xraylith.wisc.edu>
3202 * gthr-win32.h (__gthread_active_p): Support Mingw MT runtime.
3203 (__gthread_key_create): Likewise.
3204 (__gthread_key_dtor): Likewise.
3205 (__gthread_once): Fix logic.
3206 (__gthread_key_delete): Cast away constness.
3208 * i386/cygwin.h (SUBTARGET_SWITCHES): Add -mthreads option.
3209 * invoke.texi: Document.
3210 * i386/mingw32.h (CPP_SPEC): Use.
3211 (LIBGCC_SPEC): Likewise.
3212 * i386/crtdll.h (LIBGCC_SPEC): Likewise.
3214 2000-01-04 David Edelsohn <edelsohn@gnu.org>
3216 * rs6000/sysv4.h (ASM_OUTPUT_DEF): Undefine.
3217 (HANDLE_PRAGMA_PACK): Undefine.
3218 (SLOW_UNALIGNED_ACCESS): Define.
3220 2000-01-04 David Edelsohn <edelsohn@gnu.org>
3222 * expmed.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
3223 to default definition.
3224 (store_bit_field): Call SLOW_UNALIGNED_ACCESS with mode and alignment.
3225 (store_fixed_bit_field): Call macro with word_mode and alignment.
3226 (extract_bit_field): Call macro with relevant mode and alignment.
3227 * expr.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
3228 to default definition.
3229 (move_by_pieces): Call SLOW_UNALIGNED_ACCESS with word_mode
3231 (move_by_pieces_ninsns): Likewise.
3232 (clear_by_pieces): Likewise.
3233 (emit_push_insn): Likewise.
3234 (store_field): Call macro with relevant mode and alignment.
3235 (expand_expr): Likewise.
3236 (expand_expr_unaligned): Likewise.
3238 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
3239 (SLOW_UNALIGNED_ACCESS): Define.
3240 (CASE_VECTOR_MODE): Always use 32-bit offsets.
3241 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
3242 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
3243 (toc_section): Likewise and .toc pseudo-op.
3244 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
3246 (TEXT_SECTION_ASM_OP): Likewise.
3247 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
3250 * a29k.h (SLOW_UNALIGNED_ACCESS): Add MODE and ALIGN parameters.
3251 * alpha.h (SLOW_UNALIGNED_ACCESS): Likewise.
3252 * arm/thumb.h (SLOW_UNALIGNED_ACCESS): Likewise.
3253 * gmicro.h (SLOW_UNALIGNED_ACCESS): Likewise.
3254 * fr30.h (SLOW_UNALIGNED_ACCESS): Likewise.
3256 Tue Jan 4 11:44:13 2000 Jeffrey A Law (law@cygnus.com)
3258 * regclass.c: Revert my Jan 4 change to loop cost computation.
3260 Tue Jan 4 19:22:39 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
3262 * regclass.c (regclass): Do not obey REG_N_REFS in non-optimizing
3265 2000-01-04 Stan Cox <scox@cygnus.com>
3267 * haifa-sched.c (build_control_flow): Change unreachable simple
3268 loop test to check if current block has only one predecessor.
3269 (find_rgns): Initialize degree. Use dest as degree index, not src.
3271 2000-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3273 * builtins.c (expand_builtin_strlen): Initialize variable `icode'.
3275 * calls.c (expand_call): Likewise for
3276 `old_stack_arg_under_construction'.
3278 * cpphash.c (macroexpand): Likewise for `args' and `rest_zero'.
3280 * function.c (pad_to_arg_alignment): Likewise for `save_var' and
3283 * gcc.c (execute): Likewise for `ut' and `st'.
3285 * genattrtab.c (attr_rtx): Likewise for `rt_val'.
3287 * genopinit.c (gen_insn): Likewise for `m1', `m2' and `op'.
3289 * jump.c (jump_optimize_1): Likewise for `temp2'.
3291 * local-alloc.c (block_alloc): Likewise for `r1'.
3293 * loop.c (recombine_givs): Likewise for `life_start' and `life_end'.
3295 * reg-stack.c (check_asm_stack_operands): Likewise for `clobber_reg'.
3296 (subst_asm_stack_regs): Likewise for `clobber_reg' and `clobber_loc'.
3298 * regmove.c (fixup_match_1): Likewise for `insn_const', `dst_node'
3301 * reload.c (find_reloads): Likewise for `goal_alternative_number'
3302 and `goal_earlyclobber'.
3304 * scan-decls.c (scan_decls): Likewise for `prev_id_end'.
3306 * sdbout.c (sdbout_one_type): Likewise for `member_scl'.
3308 * stupid.c (stupid_life_analysis): Likewise for `chain'.
3310 * unroll.c (copy_loop_body): Likewise for `copy'.
3312 * varasm.c (output_constructor): Likewise for `byte'.
3314 Tue Jan 4 15:34:34 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
3316 * i386.c (ix86_expand_move): Allow pushes of memory, offload to memory
3317 all FP constants for constant->reg moves.
3318 (ix86_split_to_parts): Try to convert memory address into immediate
3319 when available in the constant pool.
3320 * i386.h (PREFERRED_RELOAD_CLASS): Allow CONST_DOUBLE->integer reg
3322 (LEGITIMATE_CONSTANT_P): Return 1.
3323 * i386.md (pushsf): New splitter to convert constant pool memory
3324 reference to immediate.
3325 (mov?f): Likewise; do not allow CONST_DOUBLE for reg moves before
3328 2000-01-04 Bernd Schmidt <bernds@cygnus.co.uk>
3330 * i386.md (ashlsi3_cmpno): Don't accept variables shifts.
3331 (ashlhi3_cmpno, ashlqi3_cmpno, ashrsi3_cmpno, ashrhi3_cmpno,
3332 ashrqi3_cmpno, lshrsi3_cmpno, lshrhi3_cmpno, lshrqi3_cmpno): Likewise.
3333 (rotlsi3_cmpno, rotlhi3_cmpno, rotlqi3_cmpno, rotrsi3_cmpno,
3334 rotrhi3_cmpno, rotrqi3_cmpno): Likewise.
3336 2000-01-04 Martin von Löwis <loewis@informatik.hu-berlin.de>
3338 * ginclude/stdbool.h: Support compilation as C++.
3340 Tue Jan 4 01:35:13 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3342 * fold-const.c (make_range): Don't try to reverse an unbounded range.
3344 Tue Jan 4 00:18:46 2000 Jeffrey A Law (law@cygnus.com)
3346 * regclass.c (regclass): Properly compute loop_cost. Adjust
3349 * regclass.c: Fix minor whitespace problems.
3351 2000-01-03 Anthony Green <green@cygnus.com>
3353 * config/i386/i386.md (builtin_setjmp_receiver): New pattern.
3354 Restore the pic register if required.
3356 2000-01-03 Ulrich Drepper <drepper@cygnus.com>
3358 * c-common.c (format_char_info): Update comment.
3359 (check_format_info): Recognize 'z' modifier in the same way 'Z'
3360 was recognized. Emit warning for formats new in ISO C99 only
3361 if flag_isoc9x is not set.
3363 Mon Jan 3 12:59:54 2000 Mark P. Mitchell <mark@codesourcery.com>
3365 * config/mips/iris6gld.h: Fix typo in -mabi=n32 specs.
3367 Mon Jan 3 15:33:37 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
3369 * combine.c (expand_compound_operation): Do not convert ZERO_EXTEND to
3370 SIGN_EXTEND, convert SIGN_EXTEND to ZERO_EXTEND.
3371 (make_compound_operation): Choose cheaper alternative between
3372 ZERO_EXTEND and SIGN_EXTEND when sign bit is not set.
3374 * regclass.c (op_costs): Remove global variable.
3375 (record_reg_classes): New parameter "op_costs" and "reg_pref".
3376 (record_operand_costs): Break out from ...
3377 (scan_one_insn): ... here.
3378 (dump_regclass): Make dumps nicer.
3379 (regclass): Dump preferrences choosed and changes done during passes.
3381 2000-01-03 Jakub Jelinek <jakub@redhat.com>
3383 * config/sparc/sparc.c (gen_df_reg): Fix for 32bit SPARC.
3385 2000-01-03 Jakub Jelinek <jakub@redhat.com>
3387 * config/sparc/sparc.c (gen_df_reg): New function.
3388 * config/sparc/sparc-protos.h (gen_df_reg): Add prototype.
3389 * config/sparc/sparc.md (movtf_no_e_insn_sp64+1,
3390 movtf_no_e_insn_sp64+2, movtf_no_e_insn_sp64+3, movtf_cc_sp64+1,
3391 movtf_cc_reg_sp64+1): Use it.
3393 2000-01-02 Mark Mitchell <mark@codesourcery.com>
3395 * integrate.c (copy_decl_for_inlining): Clear TREE_ADDRESSABLE on
3398 Mon Jan 3 02:54:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
3400 * config/i386/i386.c (ix86_expand_unary_operator): Function
3401 definition made void.
3402 (ix86_expand_binary_operator): Update outdated preceding comment.
3403 * config/i386/i386-protos.h (ix86_expand_unary_operator): Update
3406 * config/i386/i386.c (override_options): Fix option-name typo.
3408 2000-01-02 Mark Mitchell <mark@codesourcery.com>
3410 * system.h (CEIL): Define.
3411 * builtins.c (CEIL): Remove.
3412 * expmed.c (CEIL): Likewise.
3413 * expr.c (CEIL): Likewise.
3414 * stor-layout.c (CEIL): Likewise.
3416 2000-01-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3418 * expr.c (store_constructor_field): Fix typo introduced with last
3421 2000-01-01 Mark Mitchell <mark@codesourcery.com>
3423 * tree.h (BINFO_N_BASETYPES): New macro.
3425 2000-01-01 Bernd Schmidt <bernds@cygnus.co.uk>
3427 * expmed.c (emit_store_flag): Prevent losing a pending stack
3428 adjust the same way we prevent losing queued increments.
3430 Fri Dec 31 19:10:31 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3432 * function.c (update_temp_slot_address): Handle case where sum of
3433 temporary address plus offset in register is a valid address.
3435 1999-12-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3437 * genrecog.c (change_state) Corrected typo.
3439 1999-12-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3441 * system.h (bcopy, bcmp, bzero, index, rindex, atof, atol, free,
3442 getcwd, getenv, getwd, sbrk, strstr, malloc, calloc, realloc,
3443 strerror, getrlimit, setrlimit, abort): Add prototype arguments.
3445 1999-12-30 Bernd Schmidt <bernds@cygnus.co.uk>
3447 * i386.c (ix86_expand_fp_compare): In non-sahf non-TARGET_IEEE
3448 case, expand GT comparisons correctly. Fix a comment before this
3451 1999-12-30 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
3453 * dwarfout.c: Include "frame.h"
3454 * dwarf2out.c: Likewise.
3455 * Makefile.in (dwarfout.o): Depend on frame.h
3456 (dwarf2out.o): Likewise.
3458 1999-12-29 "Martin v. Loewis" <martin@loewis.home.cs.tu-berlin.de>
3460 Restore i386 binary compatibility in Dwarf EH info.
3461 * config/i386/i386.h (DWARF_FRAME_REGISTERS): Define as 17, the old
3462 value of FIRST_PSEUDO_REGISTER.
3463 * frame.h (DWARF_FRAME_REGISTERS): Default to FIRST_PSEUDO_REGISTER.
3464 (struct frame_state): Use DWARF_FRAME_REGISTERS.
3465 * dwarfout.c (output_reg_number): Ditto.
3466 * dwarf2out.c (reg_number, expand_builtin_init_dwarf_reg_sizes): Ditto.
3467 (DWARF_FRAME_RETURN_COLUMN): Default to DWARF_FRAME_REGISTERS.
3469 1999-12-29 Bruce Korb <autogen@linuxbox.com>
3471 * fixinc/fixincl.c(wait_for_pid): sometimes a WSTOPSIG of zero is OK
3472 * fixinc/fixincl.tpl(<hack>TEST_CT): Just do the existence test once
3473 (<hack>_RE_CT): not needed
3474 * fixinc/fixlib.c(is_cxx_header): moved from fixtests.c
3475 rewritten to scan the file text once only
3476 "template<..." test added
3477 * fixinc/fixlib.h(apply_fix_p_t): moved from fixtests.c
3478 (is_cxx_header): declaration added
3479 * fixinc/fixtests.c(is_cxx_header): removed
3480 (apply_fix_p_t): removed
3481 (double_slash_test): is_cxx_header is only called once now
3482 * fixinc/hackshell.tpl: indexing the fixes is now done under DEBUG
3483 * fixinc/inclhack.def(FIXINC_DEBUG): added for testing DEBUG state
3484 within the templates.
3485 The borken spelling of "broken" was fixed.
3486 * fixinc/inclhack.tpl: The $VERBOSE level is used on various messages
3487 The default level depends on FIXINC_DEBUG.
3489 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3491 * crtstuff.c: If !inhibit_libc, include stdlib.h/unistd.h.
3492 Otherwise provide a declaration for atexit.
3493 (init_dummy): Make sure dummy call to atexit is nevertheless
3494 called with correct number of args.
3496 * frame.c: Update comments referring to other files.
3498 * libgcc2.c: Likewise.
3500 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3502 * cse.c (free_element, get_element): Remove unused prototypes.
3504 * fold-const.c (extract_muldiv): Initialize variables `op0' and
3507 * jump.c (invert_exp): Add explicit braces to avoid ambiguous
3510 Wed Dec 29 12:44:54 1999 Donald Lindsay <dlindsay@cygnus.com>
3512 * configure.in,configure: case arm for mn10200-*-* now sets
3513 float_format=i32 so that float.h will correctly claim "double"
3514 to be 32 bits. Ran autoconf to generate configure from .in file.
3516 Wed Dec 29 10:53:21 1999 Jeffrey A Law (law@cygnus.com)
3518 * pa.md (conditional zero): If op1 is a register, force it into
3519 the same register as op0.
3521 1999-12-28 Mark Mitchell <mark@codesourcery.com>
3523 * tree.h (BINFO_BASETYPES): Improve documentation.
3525 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3527 * configure.in (--enable-checking): Use a more portable `for'
3530 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3532 * configure.in (AC_DECL_SYS_SIGLIST, xm-siglist.h,
3533 arm/xm-netbsd.h, NO_SYS_SIGLIST): Don't use.
3535 * xm-siglist.h, arm/xm-netbsd.h, mips/xm-news.h, mips/xm-sysv4.h:
3538 * gcc.texi (NO_SYS_SIGLIST, sys_siglist, SYS_SIGLIST_DECLARED):
3539 Delete descriptions.
3541 * i386/osf1elf.h, i386/xm-cygwin.h, i386/xm-mingw32.h, m68k/3b1.h,
3542 m68k/a-ux.h, m68k/dpx2.h, m68k/plexus.h, m68k/xm-hp320.h,
3543 m88k/xm-m88k.h, mips/x-sni-svr4, pa/xm-pa.h, pa/xm-pahpux.h,
3544 pa/xm-papro.h, we32k/xm-we32k.h, winnt/xm-winnt.h, xm-interix.h,
3545 xm-svr4.h: Remove all instances of sys_siglist handling.
3547 1999-12-27 Jakub Jelinek <jakub@redhat.com>
3549 * config/sparc/sparc.md (cmp_zero_qi,
3550 cmp_zero_extendqisi2_andcc_set, cmp_zero_qi_sp64,
3551 cmp_zero_extendqidi2_andcc_set): New patterns.
3553 1999-12-28 Manfred Hollstein <mhollstein@cygnus.com>
3555 * m68k/t-mot3300-gald (CROSS_LIBGCC1): Define to libgcc1-asm.a.
3556 (LIB1ASMSRC, LIB1ASMFUNCS, LIB2FUNCS_EXTRA): Define.
3557 (fpgnulib.c, xfgnulib.c): Add rules.
3558 * m68k/t-mot3300-gas: Likewise.
3560 1999-12-27 Ian Lance Taylor <ian@zembu.com>
3562 * configure.in: Avoid [[ by using test and changequote. Add
3563 changequote required by 1999-12-14 change.
3564 * configure: Rebuild.
3566 1999-12-27 Clinton Popetz <cpopetz@cygnus.com>
3568 * config/mips/mips.h: Fix typo from 12/17/99 libgcc2 fix.
3570 1999-12-27 Christophe Jaillet <jaillet.christophe@caramail.com>
3572 * alias.c (nonlocal_reference_p): Add else for disjoint ifs.
3573 * flow.c (find_use_as_address): Likewise.
3574 * function.c (fixup_var_refs_1): Likewise.
3575 (walk_fixup_memory_subreg, fixup_stack_1): Likewise.
3576 * jump.c (invert_exp, redirect_exp): Likewise.
3577 * loop.c (replace_call_address): Likewise.
3578 (count_nonfixed_reads): Likewise.
3579 * rtlanal.c (modified_between_p): Likewise.
3580 (modified_in_p, volatile_insn_p, volatile_refs_p): Likewise.
3581 (side_effects_p, replace_regs, jmp_uses_reg_or_mem): Likewise.
3582 * unroll.c (remap_split_bivs): Likewise.
3584 1999-12-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3586 * diagnostic.c (v_message_with_decl): Use .* format specifier
3587 instead of building the format specifier width manually.
3589 * system.h (strsignal): Don't check HAVE_STRSIGNAL when
3590 determining whether to provide a prototype. Remove the
3591 sys_siglist clause in the conditional.
3593 1999-12-23 Martin v. Löwis <loewis@informatik.hu-berlin.de>
3595 * fold-const.c (operand_equal_p): Use memcmp to compare string
3597 Suggested by D. J. Bernstein
3599 1999-12-17 Jakub Jelinek <jakub@redhat.com>
3601 * config/h8300/h8300.h (TARGET_H8300H, TARGET_H8300S): Make sure
3602 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
3604 * config/mips/mips.h (TARGET_64BIT): Likewise.
3605 * config/rs6000/rs6000.h (TARGET_POWERPC64): Likewise.
3606 * libgcc2.c: Use {,U}{HW,W,DW}type and DWunion everywhere instead
3607 of {SI,DI}type and DIunion. Define these types to QI/HI modes on
3608 dsps. Give routines proper names if SI/DI modes are not used.
3609 * longlong.h: Use DWunion instead of DIunion.
3611 1999-12-26 Zack Weinberg <zack@wolery.cumb.org>
3613 * acconfig.h: New ENABLE flags: TREE_CHECKING, RTL_CHECKING,
3614 GC_CHECKING, GC_ALWAYS_COLLECT.
3615 * configure.in: Allow --enable-checking with an argument
3616 listing check modes to enable.
3617 * config.in, configure: Rebuilt.
3618 * ggc-page.c, ggc-simple.c: Define GGC_POISON (and
3619 GGC_ALWAYS_VERIFY for ggc-simple.c) only if
3620 ENABLE_GC_CHECKING. Define GGC_ALWAYS_COLLECT only if
3621 ENABLE_GC_ALWAYS_COLLECT.
3622 * rtl.h, rtl.c: Change ENABLE_CHECKING to ENABLE_RTL_CHECKING
3624 * tree.h, tree.c: Change ENABLE_CHECKING to
3625 ENABLE_TREE_CHECKING throughout.
3627 Sun Dec 26 07:48:20 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3629 * fold-const.c (fold_truthop): Properly check for FP RHS.
3631 1999-12-24 Mark Mitchell <mark@codesourcery.com>
3633 * toplev.h (note_deferall_of_defined_inline_function): Declare.
3634 * toplev.c (note_deferral_of_defined_inline_function): New
3635 function, split out from ...
3636 (rest_of_compilation): ... here. Use it.
3638 Fri Dec 24 12:34:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3640 * expr.c (store_constructor): Don't call clear_storage if size is
3643 1999-12-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3645 * Makefile.in (toplev.o): Depend on loop.h.
3647 * dwarfout.c: Include tm_p.h.
3649 * emit-rtl.c (restore_emit_status): Mark parameter with
3652 * final.c (final_scan_insn): Likewise.
3654 * flow.c (flow_nodes_print, flow_exits_print, flow_loops_cfg_dump,
3655 flow_loop_nested_p, flow_loop_exits_find, flow_loop_nodes_find,
3656 flow_depth_first_order_compute, flow_loop_pre_header_find,
3657 flow_loop_tree_node_add, flow_loops_tree_build,
3658 flow_loop_level_compute, flow_loops_level_compute,
3659 flow_loop_outside_edge_p): Add prototypes.
3660 (recompute_reg_usage): Mark parameters with ATTRIBUTE_UNUSED.
3662 * ggc-callbacks.c (lang_mark_tree, lang_mark_false_label_stack):
3663 Mark with ATTRIBUTE_NORETURN.
3665 * hash.c (hash_newfunc): Mark parameter with ATTRIBUTE_UNUSED.
3667 * local-alloc.c (no_conflict_p): Likewise.
3669 * loop.c (insert_bct): Hide definitions of variables with hidden
3671 (note_reg_stored): Mark parameter with ATTRIBUTE_UNUSED.
3673 * regclass.c (memory_move_secondary_cost): Mark variable `mem'
3674 with ATTRIBUTE_UNUSED.
3675 (record_reg_classes): Mark parameter with ATTRIBUTE_UNUSED.
3676 (reg_scan): Likewise.
3678 * reload.c (find_reloads): Remove unused variables `changed'.
3680 * reload1.c (reload_reg_class_lower): Don't unnecessarily cast
3682 (allocate_reload_reg): Mark parameter with ATTRIBUTE_UNUSED.
3683 Remove unused variable `insn'.
3685 * toplev.c: Include loop.h.
3686 (report_file_and_line): Remove unnecessary prototype.
3688 * tree.c (build_block): Mark parameter with ATTRIBUTE_UNUSED.
3690 * unroll.c (biv_total_increment): Likewise.
3692 Thu Dec 23 23:15:22 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
3694 * reload1.c (emit_input_reload_insns): Restore old behaviour
3695 wrt. 'special' reloads.
3697 1999-12-23 Zack Weinberg <zack@wolery.cumb.org>
3699 * Makefile.in (ggc-simple.c, ggc-page.c): Don't depend on
3700 hash.h. (cse.c): Don't depend on hashtab.h.
3702 * cse.c: Don't include hashtab.h.
3703 (hash_cse_reg_info, cse_reg_info_equal_p): Delete prototypes
3705 * ggc-simple.c: Don't include hash.h.
3707 1999-12-22 Jason Merrill <jason@casey.cygnus.com>
3709 * dwarf2out.c (add_abstract_origin_attribute): Call
3710 gen_abstract_function on our function context.
3712 Thu Dec 23 03:57:10 1999 Hans-Peter Nilsson <hp@bitrange.com>
3714 * Makefile.in (INTEGRATE_H): Fix typo: INTEGRATE_H, not INTREGRATE_H.
3716 1999-12-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3718 * config/c4x/c4x.c (c4x_address_cost): Add statement to default
3721 1999-12-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3723 * config/c4x/c4x.md (*addqi3_noclobber_reload): Change operand 0
3724 constraints to "a!r".
3726 1999-12-21 Mark Mitchell <mark@codesourcery.com>
3728 * Makefile.in (calls.o): Depend on function.h.
3729 (alias.o): Likewise.
3731 1999-12-21 Bernd Schmidt <bernds@cygnus.co.uk>
3733 * reload1.c (emit_reload_insns): Break out code and variables into...
3734 (input_reload_insns, other_input_address_reload_insns,
3735 other_input_reload_insns, input_address_reload_insns,
3736 inpaddr_address_reload_insns, output_reload_insns,
3737 output_address_reload_insns, outaddr_address_reload_insns,
3738 operand_reload_insns, other_operand_reload_insns,
3739 other_output_reload_insns): ... new static variables, and...
3740 (emit_input_reload_insns, emit_output_reload_insns, do_input_reload,
3741 do_output_reload): ... new functions.
3743 Tue Dec 21 07:06:36 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3745 * pa.h (FUNCTION_ARG_BOUNDARY): Never return 0.
3747 1999-12-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3749 * md.texi: Add c4x constraints documentation.
3751 1999-12-21 Martin v. Löwis <loewis@informatik.hu-berlin.de>
3753 * config/i386/dgux.c (struct option): Rename to
3754 lang_independent_option.
3755 (struct m_options): Add description field.
3756 (output_options): Rename option type, add sep declaration, output
3757 ix86_cpu_string and ix86_arch_string only if set.
3758 (output_file_start): Rename option type.
3760 Mon Dec 20 23:15:36 1999 Mike Stump <mrs@wrs.com>
3762 * Makefile.in (crtbegin.o, crtend.o, s-crtS): Depend on
3764 (libgcc2.a): Similarly.
3766 Mon Dec 20 23:06:47 1999 David Edelsohn <edelsohn@gnu.org>
3768 * longlong.h (_ARCH_PPC): Only protect add_ssaaaa and sub_ddmmss
3769 with W_TYPE_SIZE == 32. Do not fall through to POWER architecture
3770 for umul_ppmm and smul_ppmm if !_ARCH_PPC and !_ARCH_POWER.
3772 Mon Dec 20 23:02:03 1999 Jeffrey A Law (law@cygnus.com)
3774 * fold-const.c (real_hex_to_f): Remove unused "isldouble" variable.
3775 Remove redundant initialization of "frexpon" and "expon".
3777 Mon Dec 20 15:00:04 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3779 * tree.c (real_value_from_int_cst): Clear REAL_VALUE_TYPE object first.
3781 * expr.c (store_constructor): New argument SIZE; pass to clear_storage.
3782 (store_constructor_field, expand_expr): Pass new arg.
3784 1999-12-20 Mark Mitchell <mark@codesourcery.com>
3786 * Makefile.in (explow.o): Depend on function.h.
3788 * stor-layout.c (set_sizetype): Fix typo.
3790 1999-12-20 Bernd Schmidt <bernds@cygnus.co.uk>
3792 * function.c (cfun): Renamed from current_function. All users
3794 * function.h (cfun): Rename declaration as well.
3796 * reload.h (struct insn_chain): Change live_throughout and dead_or_set
3797 to be of type regset_head, not regset. All users changed by adding
3799 * reload1.c (new_insn_chain): Don't allocate regsets, just clear them.
3801 1999-12-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3803 * config/c4x/rtems.h: New file.
3805 1999-12-19 Bernd Schmidt <bernds@cygnus.co.uk>
3807 * reload1.c (spill_failure): Take class of failed reload as argument
3808 and print it. Caller changed.
3810 Sun Dec 19 07:50:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3812 * rs6000.h (SUBTARGET_DEFAULT): New macro.
3813 (TARGET_SWITCHES): Allow subtargets to default switches.
3814 * rs6000/vxppc.h (SUBTARGET_DEFAULT): New macro.
3816 1999-12-18 Mark Mitchell <mark@codesourcery.com>
3818 * crtstuff.c (__do_global_ctors_aux): Do not call __cxa_finalize
3821 Sat Dec 18 20:42:43 1999 Richard Henderson <rth@cygnus.com>
3823 * cccp.c (main): Define __STDC_VERSION__ as necessary.
3824 * cppinit.c (cpp_handle_option): Likewise.
3826 * ginclude/stdarg.h (va_copy): Use __STDC_VERSION__ to
3827 determine when to define.
3829 Sat Dec 18 20:34:00 1999 Richard Henderson <rth@cygnus.com>
3831 * alpha.c (alpha_emit_conditional_move): If TARGET_FIX, handle
3832 cmove with mismatched test and data modes.
3834 Sat Dec 18 20:30:15 1999 Richard Henderson <rth@cygnus.com>
3836 * c-typeck.c (c_expand_start_case): Don't warn for long switch
3839 Sat Dec 18 16:28:43 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3841 * alias.c: Minor reformatting.
3844 * stor-layout.c: Likewise.
3845 * fold-const.c: Likewise.
3846 (OVERFLOW_SUM_SIGN): Renamed from overflow_sum_sign.
3847 (struct cb_args, const_binop_1, const_binop): Pass type of arg,
3849 (size_int_wide): Cache nodes even if garbage collecting.
3850 (twoval_comparison_p): Reenable SAVE_EXPR case if operand
3851 of SAVE_EXPR has no side effects.
3852 * cse.c: Move a comment.
3853 * tree.c: Minor reformatting.
3854 (int_size_in_bytes): Return -1 if constant overflows.
3856 Sat Dec 18 18:30:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
3858 * unroll.c (copy_loop_body): Don't treat a REG like a PLUS.
3860 1999-12-18 10:42 -0800 Zack Weinberg <zack@wolery.cumb.org>
3862 * objc/objc-parse.c: Regenerate. This file must be rebuilt
3863 after any change to c-parse.in, even if objc-parse.y didn't
3866 1999-12-18 David S. Miller <davem@redhat.com>
3868 * toplev.c (rest_of_compilation): Restore BLOCK tree
3869 reconstruction and branch shortening changes lost in
3870 December 18th change.
3872 Sat Dec 18 05:29:29 1999 Scott Bambrough <scottb@netwinder.org>
3874 * config/arm/linux-elf.h: Change all instances of
3875 ARM_FLAG_SHORT_BYTES to ARM_FLAG_MMU_TRAPS.
3876 * config/arm/uclinux-elf.h: Likewise.
3878 1999-12-18 Gabriel Dos Reis <gdr@codesourcery.com>
3880 * toplev.c (notice, vmessage, v_message_with_file_and_line,
3881 v_message_with_decl, file_and_line_for_asm,
3882 v_error_with_file_and_line, v_error_with_decl, v_error_for_asm,
3883 verror, vfatal, v_warning_with_file_and_line, v_warning_with_decl,
3884 v_warning_for_asm, vwarning, vpedwarn, v_pedwarn_with_decl,
3885 v_pedwarn_with_file_and_line, vsorry, vnotice, count_error,
3886 pfatal_with_name, fatal_io_error, need_error_newline,
3887 last_error_function, last_error_tick, announce_function,
3888 default_print_error_function, print_error_function,
3889 report_error_function, fnotice, error_with_file_and_line,
3890 error_with_decl, error_for_asm, error, set_fatal_function, fatal,
3891 _fatal_insn, _fatal_insn_not_found, warning_with_file_and_line,
3892 warning_with_decl, warning_for_asm, warning, pedwarn,
3893 pedwarn_with_decl, pedwarn_with_file_and_line, sorry): Move to
3895 (compile_file): Use fnotice instead of notice. Adjust call.
3897 * diagnostic.c: New file.
3899 * Makefile.in (OBJS): Include diagnostic.o
3900 (diagnostic.o): Define dependence.
3902 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3904 * config/c4x/c4x.h (ASM_OUTPUT_XXX): Wrap in do-while(0).
3907 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3909 * config/c4x/c4x.md (rpts_top, rptb_top): Add clobbers for rs and re.
3911 1999-12-17 13:21 -0800 Zack Weinberg <zack@rabi.columbia.edu>
3913 * fixtests.c (is_cxx_header): New fn, split out of
3915 (else_endif_label): Allow "#endif // comment" in C++ headers,
3916 as determined by is_cxx_header.
3917 * fixfixes.c (else_endif_label_fix): Update comment.
3918 * fixincl.c: Don't output VERB_PROGRESS lines if stdout is not
3920 * genfixes: Correct double thinko in commandline parsing.
3921 * hackshell.tpl: Generate correct sh syntax for bypass
3924 * inclhack.def (all): Whenever an inserted preprocessor
3925 conditional is split over multiple lines, use double
3926 backslashes in this file so the fixed header will be readable.
3928 (AAB_fd_zero_glibc_1_0): Rename to AAB_fd_zero_asm_posix_types_h
3929 and add bypass entry for correct version of this header.
3930 (AAB_fd_zero_glibc_1_x): Rename to AAB_fd_zero_gnu_types_h.
3931 (AAB_fd_zero_glibc_2_0): Rename to AAB_fd_zero_selectbits_h.
3933 (hpux8_bogus_inlines): New fix, split from...
3934 (ultrix_atof_param) ... here.
3935 (math_expression): Add bypass entry keyed to glibc comment
3936 indicating the problem has been dealt with; disable
3937 unnecessary sed operations; update commentary.
3938 (math_gcc_ifndefs): Rename to math_huge_val_from_dbl_max,
3939 add select and bypass entries, simplify shell operation.
3940 (math_huge_val_ifndef): Split from math_gcc_ifndefs.
3942 (ip_missing_semi, rs6000_param, tinfo_cplusplus,
3943 ultrix_atof_param): Add select entry.
3944 (stdio_va_list, sunos_mather_decl): Add bypass entry.
3945 (systypes_for_aix, sysv86_string, tinfo_cplusplus): Put the
3946 comments with the fixes they describe.
3948 * c-parse.in (string action): Do not warn about ANSI string
3949 concatenation in system headers. Affects C parser only.
3950 * c-parse.y, c-parse.c, c-parse.h: Rebuild.
3952 1999-12-16 Jakub Jelinek <jakub@redhat.com>
3954 * config/sparc/sparc.h (TARGET_ARCH32): Exchange ifdefs so that if
3955 compiling libgcc2 the macro depends always on arch cpp defines.
3957 Fri Dec 17 10:34:16 1999 Richard Earnshaw <rearnsha@arm.com>
3959 * loop.c (insert_loop_mem): Don't record MEMs from inside
3962 Fri Dec 17 12:08:11 MET 1999 Jan Hubicka <hubicka@freesoftr.cz>
3964 * regclass.c (regclass): Do not use flowgraph when not optimizing.
3966 * gcse.c (try_replace_reg): Do replacements in REG_EQUAL/REG_EQUIV
3967 notes too, create one when replacement failed, attempt to simplify
3969 (cprop_insn): Propagate even to registers mentioned only in REG_EQUAL
3972 1999-12-16 Mark Mitchell <mark@codesourcery.com>
3974 * crtstuff.c (__dso_handle): Declare.
3975 (__cxa_finalize): Likewise.
3976 (do_global_dtors_aux): Call __cxa_finalize if __dso_handle is
3979 * invoke.texi: Document -fuse-cxa-atexit.
3981 * tree.h (ptr_type_node): Document.
3982 (const_ptr_type_node): Likewise.
3984 Fri Dec 17 01:32:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
3986 * regmove.c (optimize_reg_copy_1): Ignore LOOP notes.
3987 (optimize_reg_copy_2): Likewise.
3988 (optimize_reg_copy_3): Likewise.
3989 (fixup_match_2): Likewise.
3990 (regmove_optimize): Likewise.
3991 (fixup_match_1): Liekwise.
3993 * i386.md (HI to SImode promoting splitters): Rewrite.
3994 (pushsf mem peep2): New.
3995 (testhi to andhi peep2): Remove.
3996 * i386.h (x86_promote_QImode): New.
3997 (TARGET_PROMOTE_QImode): New.
3998 (PREDICATE_CODES): Add promotable_binary_operator.
3999 * i386.c (x86_promote_QImode0: New.
4000 (promotable_binary_operator): New.
4001 * i386-protos.h (promotable_binary_operator): New.
4003 * i386.md (test?i_1): Use "nonmemory_operand" predicate, simplify
4005 (one_cmpl?i*): Pass "NOT" to unary_operator_ok.
4007 1999-12-16 Mark Mitchell <mark@codesourcery.com>
4009 * Makefile.in (INTREGRATE_H): Rename to INTEGRATE_H.
4010 * function.c (insert_block_after_note): Remove.
4011 (retrofit_block): Likewise.
4012 (identify_blocks): Fix indentation.
4013 (reorder_blocks): Don't NULL out NOTE_SOURCE_FILE for a
4014 NOTE_INSN_BLOCK_BEG or NOTE_INSN_BLOCK_END.
4015 * function.h (insert_block_after_note): Remove prototype.
4016 (retrofit_block): Likewise.
4017 * integrate.c (expand_inline_function): Don't call
4018 find_loop_tree_blocks. Use expand_start_bindings_and_block, not
4019 just expand_start_bindings. Use the block_map to remap old
4020 NOTE_BLOCKs to new ones.
4021 (integrate_decl_tree): Keep track of remapped blocks.
4022 * integrate.h (struct inline_remap): Add block_map.
4023 * stmt.c (expand_fixup): Don't try to retrofit_blocks. Just set
4024 NOTE_BLOCK on the notes.
4025 (expand_start_bindings): Rename to ...
4026 (expand_start_bindings_and_block): Add parameter. Set NOTE_BLOCK.
4027 (expand_end_bindings): Set NOTE_BLOCK.
4028 * toplev.c (rest_of_compilation): In function-at-a-time-mode,
4029 reconstruct the BLOCK tree.
4030 * tree.h (expand_start_bindings): Macroize. Call ...
4031 (expand_start_bindings_and_block): New function.
4033 1999-12-16 Jakub Jelinek <jakub@redhat.com>
4035 * config/sparc/sparc.c (print_operand): Cast fprintf arguments
4036 to match the format.
4038 1999-12-16 David S. Miller <davem@redhat.com>
4040 * expr.c (emit_move_insn_1): Only emit clobbers if one of
4041 the outputs is a SUBREG.
4042 * rtlanal.c (reg_overlap_mentioned_p): Revert December 15th
4045 * config/sparc/sparc.c (epilogue_renumber): Add default case
4048 Thu Dec 16 11:33:57 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
4050 * toplev.c (rest_of_compilation): Run branch shortening after
4053 * regclass.c (loop_depth): Remove
4054 (scan_one_insn): Do not handle LOOP_NOTE insns.
4055 (regclass): Go through basic blocks and set loop_cost
4057 Thu Dec 16 02:56:25 1999 Zack Weinberg <zack@bitmover.com>
4059 * tree.h (DECL_FROM_INLINE): Check DECL_ABSTRACT_ORIGIN too.
4061 Thu Dec 16 10:43:35 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
4063 * i386.md (movqi): Use "nonimmediate_operand" for output operand.
4064 (movstrictqi, movdi, movsf, movdf, movxf): Likewise.
4065 (adddi, addqi, addhi, subdi, subqi, subhi, ffs): Likewise.
4067 Thu Dec 16 02:41:26 1999 Richard Henderson (rth@cygnus.com)
4069 * loop.c (insert_loop_mem): Ignore memory clobbers.
4071 * combine.c (simplify_comparison): Reduce (OP (MINUS A B) 0)
4074 Thu Dec 16 02:26:11 1999 Jeffrey A Law (law@cygnus.com)
4076 * profile.c: Remove redundant #include "output.h".
4078 * h8300.md (HImode preinc peephole): Fix typo.
4080 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
4082 * function.c (retrofit_block): Abort if we don't find a suitable insn.
4083 (insert_block_after_note): Abort if we don't have a previous block.
4084 Remove FN parameter.
4085 * function.h: Adjust.
4087 1999-12-15 Mark Mitchell <mark@codesourcery.com>
4089 * builtins.c (expand_builtin_mathfn): Make sure not to expand the
4090 argument more than once.
4092 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
4094 * stmt.c (expand_decl): Expand upper bound of a dynamic array.
4096 1999-12-15 Jakub Jelinek <jakub@redhat.com>
4098 * expr.c (emit_group_load): Use dst mode if src is VOIDmode.
4100 Wed Dec 15 16:11:55 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
4102 * function.c (PREFERRED_STACK_BOUDNARY): Provide default value.
4103 (assign_stack_local_1): Limit alignment to PREFERRED_STACK_BOUNDARY,
4104 update stack_alignment_needed.
4105 (prepare_function_start): Initialize stack_alignment_needed
4106 * function.h (struct function): Add field stack_alignment_needed.
4108 Wed Dec 15 14:55:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
4110 * caller-save.c (insert_one_insn): Returns struct insn_chain *.
4111 Handle live_throughout / dead_or_set instead of live_before /
4113 (save_call_clobbered_regs): Get register livenessinformation from
4114 chain->live_throughout.
4115 (add_stored_regs): New function.
4116 (insert_restore, insert_save): Add restored / saved registers to
4118 * global.c (reg_dies): New parameter chain.
4119 (reg_becomes_live): Third parameter is regs_set now.
4120 Changed all callers.
4121 (reg_dies): New parameter chain. Changed all callers.
4122 (build_insn_chain): Set live_throughout instead of
4123 live_before / live_after.
4124 * reload.h (struct insn_chain): Replace members live_before /
4125 live_after with live_throughout / dead_or_set.
4126 * reload1.c (new_insn_chain): Handle live_throughout / dead_or_set
4127 instead of live_before / live_after.
4128 (maybe_fix_stack_asms, find_reload_regs, finish_spills): Likewise.
4129 (order_regs_for_reload, find_reg, finish_spills): Likewise.
4130 (choose_reload_regs_init): Likewise.
4131 * stupid.c (current_chain, find_clobbered_regs): Delete.
4132 (stupid_life_analysis): Set chain->live_throughout chain->dead_or_set
4133 instead of chain->live_before / chain->live_after.
4134 (mark_hard_ref): New function.
4135 (stupid_mark_refs): Call mark_hard_ref. Clear chain->live_throughout.
4137 1999-12-15 David S. Miller <davem@redhat.com>
4139 * rtlanal.c (reg_overlap_mentioned_p): Handle CONCAT.
4141 Wed Dec 15 15:05:30 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
4143 * flow.c (calculate_loop_depth): Make global, remove prototype,
4144 rewrite to use new loop infrastructure.
4145 (find_basic_block): Remove calculate_loop_depth call.
4146 * toplev.c (rest_of_compilation): Call find_basic_block.
4147 * output.h (calculate_loop_depth): Declare.
4149 * flow.c (dump_flow_info): Dump loop_depth.
4150 (flow_loops_nodes_find): Increase loop_depth for basic block in the
4152 (flow_loops_find): Initialize the loop_depth for each basic block.
4154 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
4156 * tree.c (decl_function_context): Handle virtual functions.
4158 * tlink.c (scan_linker_output): Don't look in demangled name when
4159 looking for linker output keywords.
4161 * dwarfout.c (output_type): We can defer namespace-scope classes.
4163 Wed Dec 15 01:23:29 1999 Jeffrey A Law (law@cygnus.com)
4165 * regclass.c (record_reg_classes): Update comment for merging
4166 register class preferences in reg->reg copies. Tighten conditions
4167 for merging register class preferences in reg->reg copies.
4169 Wed Dec 15 02:19:32 1999 David Edelsohn <edelsohn@gnu.org>
4171 * rs6000.md (tablejumpdi): Generate DImode LABEL_REF.
4173 1999-12-14 Geoff Keating <geoffk@cygnus.com>
4175 * config/m68k/m68020-elf.h (ENDFILE_SPEC): Delete.
4176 (INIT_SECTION_ASM_OP): Delete.
4177 (FINI_SECTION_ASM_OP): Delete.
4178 (STARTFILE_SPEC): Define to hold just crtbegin.o.
4180 1999-12-14 Jason Merrill <jason@casey.cygnus.com>
4182 * dwarf2out.c (add_abstract_origin_attribute): Do call abort if
4183 the abstract origin wasn't emitted.
4185 * dwarf2out.c (class_scope_p): New fn.
4186 (gen_subprogram_die): Use it.
4187 (gen_variable_die): Use it. Tweak logic.
4188 (gen_struct_or_union_type_die): Check context_die to determine
4189 if we're function-local.
4190 (dwarf2out_decl): Check DECL_BUILT_IN, not DECL_FUNCTION_CODE.
4192 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
4194 * loop.c (check_dbra_loop): Can't reverse a biv that has
4197 1999-12-14 Nick Clifton <nickc@cygnus.com>
4199 * config/arm/arm.c: Add support for -mcpu=arm720 command line
4202 Tue Dec 14 18:13:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
4204 * loop.c (strength_reduce): Fix sign of giv lifetime calculation
4205 for givs made from biv increments.
4207 Tue Dec 14 08:11:27 1999 Richard Henderson <rth@cygnus.com>
4209 * configure.in (alpha-osf, alpha-linux): Handle ev6[78].
4210 * alpha.c (override_options): Recognize -mcpu=ev67.
4211 * alpha.h (CPP_CPU_EV67_SPEC): New.
4212 (CPP_CPU_DEFAULT_SPEC): Examine TARGET_CPU_DEFAULT to use it.
4213 (EXTRA_SPECS): Update.
4215 Tue Dec 14 08:04:28 1999 Richard Henderson <rth@cygnus.com>
4217 * cppp.c (main): Set trigraphs and __STRICT_ANSI__ as
4218 appropriate for -lang-c89 and -std=*.
4219 * cppinit.c (cpp_handle_option): Likewise.
4220 (new_pending_define): New, split out from cpp_handle_option.
4221 * gcc.c (default_compilers): Don't define __STRICT_ANSI__
4222 or enable trigraphs for -ansi/-std=*.
4224 * ginclude/stdarg.h (__va_copy): New.
4225 (va_copy): Don't define for C89.
4227 Tue Dec 14 08:37:27 CST 1999 Clinton Popetz <cpopetz@cygnus.com>
4229 * config/arm/arm.md (mulsidi3adddi, umulsidi3adddi): New patterns
4230 for long long multiply-accumulate.
4232 Tue Dec 14 13:51:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
4234 * regclass.c (scan_one_insn): Set loop_cost to 1 when
4235 optimizing for size.
4237 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
4239 * reload1.c (reload): Can't avoid select_reload_regs/finish_spills
4240 if something changed. Back out that part of yesterday's changes.
4242 * loop.c (loop_max_reg): New static variable.
4243 (loop_optimize): Initialize it. Eliminate one unnecessary call to
4245 (scan_loop): Call reg_scan_update whenever we may have added new
4246 registers, and update loop_max_reg.
4248 Tue Dec 14 12:07:29 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
4250 * regclass.c (record_reg_classes): Do not do the copying preferrencing
4251 when source does not die.
4253 * regclass.c (record_reg_classes): Handle INOUT operands propertly.
4255 1999-12-14 Jakub Jelinek <jakub@redhat.com>
4257 * config/sparc/linux64.h (TARGET_LIVE_G0,
4258 TARGET_BROKEN_SAVERESTORE): Don't support weird SPARC
4260 * config/sparc/linux.h (TARGET_LIVE_G0,
4261 TARGET_BROKEN_SAVERESTORE): Likewise.
4262 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
4263 TARGET_BROKEN_SAVERESTORE): Likewise.
4265 * config/sparc/sparc.h (SPARC_DEFAULT_CMODEL): Default to CM_32.
4266 (CONDITIONAL_REGISTER_USAGE): For block profiling fix %g4 on sparc64,
4268 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Use %g4 instead of %g2
4269 as sparc64 block profiling register.
4270 * config/sparc/sparc.c (sparc_override_options): Allow block
4271 profiling with -m32.
4272 (sparc_block_profiler): Use %g4 instead of %g2 as sparc64 block
4274 * config/sparc/linux64.h (MACHINE_STATE_*): Only provide these
4275 macros on TARGET_ARCH32. sparc.h has macros good enough for sparc64.
4276 * config/sparc/sol2.h (MACHINE_STATE_*): Likewise.
4278 * config/sparc/xm-sp64.h: Avoid using __sparc_v9__ when testing
4280 * config/sparc/sparc.h: Likewise.
4281 * config/sparc/xm-sysv4-64.h: Likewise.
4282 * config/float-sparc.h: Likewise.
4283 * glimits.h: Likewise.
4284 * longlong.h: Likewise.
4286 * config/sparc/linux64.h (DEFAULT_VTABLE_THUNKS): Define to 1.
4287 (ASM_IDENTIFY_GCC): Remove.
4289 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
4291 * combine.c (combine_simplify_rtx): Don't make shared rtl.
4292 (simplify_logical): Likewise.
4294 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
4296 * cccp.c (INO_T_EQ): Disable inode-based optimization for Cygwin.
4297 * cppfiles.c (INO_T_EQ): Likewise.
4299 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
4301 * i386/crtdll.h (STARTFILE_SPEC): Add -pg profiling support.
4302 * i386/mingw32.h (LIB_SPEC): Likewise.
4303 (STARTFILE_SPEC): Likewise.
4304 * i386/uwin.h (LIB_SPEC): Likewise.
4305 (STARTFILE_SPEC): Likewise.
4307 * i386/mingw32.h (SUBTARGET_PROLOGUE): Override Cygwin definition.
4308 * i386/uwin.h (SUBTARGET_PROLOGUE): Likewise.
4310 Mon Dec 13 20:25:29 1999 Jeffrey A Law (law@cygnus.com)
4312 * combine.c (combine_simplify_rtx): Fix order of checks for
4313 (ashiftrt foo C) -> (lt foo (const_int 0)) simplification.
4315 1999-12-13 Clinton Popetz <cpopetz@cygnus.com>
4317 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi) Backed out
4318 12/10/99 change, reapplied to merged-arm-thumb-backend-branch.
4320 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
4322 * hard-reg-set.h (inv_reg_alloc_order): Declare if REG_ALLOC_ORDER is
4324 * regclass.c (inv_reg_alloc_order): New array.
4325 (regclass_init): If REG_ALLOC_ORDER is defined, initialize it.
4327 * reload.h (struct insn_chain): Delete fields group_size, group_mode,
4328 counted_for_groups, counted_for_nongroups. Add fields rld and
4330 * reload.c (push_secondary_reload): Don't set nongroup field of
4332 (push_reload): Likewise.
4333 (find_reloads): Delete code to compute nongroup fields.
4334 * reload1.c (reload_insn_firstobj): New static variable.
4335 (pseudos_counted, spilled_pseudos): Now of type regset_head. All
4337 (calculate_needs, find_tworeg_group, find_group, possible_group_p,
4338 count_possible_groups, modes_equiv_for_class_p, new_spill_reg,
4339 dump_needs, maybe_mark_pseudo_spilled, hard_reg_use_compare): Delete
4341 (count_pseudo, select_reload_regs, copy_reloads, find_reg): New
4343 (struct hard_reg_n_uses): Deleted.
4344 (potential_reload_regs): Deleted.
4345 (init_reload): Initialize spilled_pseudos and pseudos_counted.
4346 (reload): Don't try to allocate reload registers if we already know
4347 we have to make another pass. Call select_reload_regs. Free memory
4348 starting with reload_firstobj when starting another pass.
4349 Don't allocate spilled_pseudos.
4350 (calculate_needs_all_insns): Call copy_reloads for an insn that
4351 needs reloads; don't call calculate_needs.
4352 (spill_cost): New static array.
4353 (used_spill_regs_local): New static variable.
4354 (order_regs_for_reload): Rewrite to lose hard_reg_n_uses and the code
4355 to compute potential_reload_regs.
4356 (find_reload_regs): Completely rewritten to use find_reg.
4357 (allocate_reload_reg): Don't test counted_for_groups or
4358 counted_for_nongroups. Lose NOERROR arg and code to give an error;
4360 (choose_reload_regs): Add fallback code that uses the existing
4361 register allocation from find_reload_regs.
4363 Mon Dec 13 00:54:14 1999 Philippe De Muyter <phdm@macqel.be>
4365 * flow.c (create_edge_list): Cast xmalloc return value.
4367 Mon Dec 13 00:47:58 1999 Jeffrey A Law (law@cygnus.com)
4369 * doprnt.c: Remove incorrect comment closure.
4371 * cse.c: Fix a few minor whitespace goofs.
4373 1999-12-13 Don Bowman <don@pixstream.com>
4375 * mips/vxworks.h: Fix problem with comment termination.
4376 (EXTRA_SECTIONS): Add in_sbss.
4377 (EXTRA_SECTION_FUNCTIONS): Corresponding changes.
4379 1999-12-12 David S. Miller <davem@redhat.com>
4381 * cse.c (struct cse_reg_info): Add hash_next member,
4382 reorder rest of struct for better packing on 64-bit
4384 (cse_reg_info_tree): Kill.
4385 (REGHASH_SHIFT, REGHASH_SIZE, REGHASH_MASK, reg_hash,
4386 REGHASH_FN): New custom pow2 hash mechanism.
4388 (HASH_SHIFT, HASH_SIZE, HASH_MASK, HASH, table): Rework to
4389 use a pow2 hash table.
4390 (get_cse_reg_info): Rework to use new REGHASH.
4391 (new_basic_block): Likewise, use HASH_SIZE, and inline
4393 (remove_from_table): Rework to use HASH_SIZE/HASH_MASK,
4394 and inline free_element call.
4395 (lookup_as_function, insert, flush_hash_table, invalidate,
4396 remove_invalid_refs, remove_invalid_subreg_refs, rehash_using_reg,
4397 invalidate_for_call, use_related_value, find_comparison_args,
4398 fold_rtx, equiv_constant, cse_insn, invalidate_memory): Likewise.
4399 (hash_cse_reg_info, cse_reg_info_equal_p, free_element,
4402 Sun Dec 12 21:31:44 1999 Jeffrey A Law (law@cygnus.com)
4404 * cse.c (cse_basic_block): Free qty_table consistently.
4406 1999-12-12 David S. Miller <davem@redhat.com>
4407 Jakub Jelinek <jakub@redhat.com>
4409 * config/sparc/sparc.md (movtf reg/reg split): Don't generate
4410 SUBREGs by hand, gen the appropriate hard reg directly.
4411 (movtf reg/mem split): Likewise and alter_subreg on destination
4413 (movtf mem/reg split): Similarly.
4414 (movdf_cc_sp64): Rename from hidden pattern.
4415 (movtf_cc_hq_sp64): Renamed from movtf_cc_sp64.
4416 (movtf_cc_sp64, following split): New pattern and splitter.
4417 (movdf_cc_reg_sp64): Rename from hidden pattern.
4418 (movtf_cc_reg_hq_sp64): Renamed from movtf_cc_reg_sp64, require
4420 (movtf_cc_reg_sp64, following split): New pattern and splitter.
4422 1999-12-12 Stephen L Moshier <moshier@mediaone.net>
4424 * loop.c (load_mems): Don't hoist written floating point mem
4427 1999-12-12 Mark Mitchell <mark@codesourcery.com>
4429 * except.h (struct eh_queue): Add `next' pointer.
4430 (struct eh_status): Make x_ehqueue a pointer.
4431 (push_ehqueue): Declare.
4432 (pop_ehqueue): Likewise.
4433 * except.c (expand_eh_region_end): Adjust now that ehqueue is a
4435 (expand_fixup_region_end): Likewise.
4436 (expand_leftover_cleanups): Likewise.
4437 (push_ehqueue): Define.
4438 (pop_ehqueue): Likewise.
4439 (emit_cleanup_handler): Use push_ehqueue and pop_ehqueue rather
4440 than doing it inline.
4441 (expand_start_all_catch): Adjust now that ehqueue is a
4443 (mark_eh_queue): Mark all level of the queue.
4444 (mark_eh_status): Adjust now that ehqueue is a
4446 (init_eh_for_function): Allocate ehqueue.
4447 (free_eh_status): Free it.
4448 * stmt.c (expand_cleanups): Save the ehqueue around the cleanup
4449 expansion for a fixup.
4451 1999-12-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4453 * gthr-single.h (__gthread_active_p): Add prototype arguments.
4455 * libgcc2.c (__udivmoddi4): Remove unnecessary decls.
4456 (__dummy, __builtin_saveregs, __bb_exit_trace_func, __bb_init_prg,
4457 __bb_trace_func, __bb_trace_func_ret, __bb_trace_ret,
4458 function_ptr, getpagesize, __enable_execute_stack,
4459 __enable_execute_stack, __clear_insn_cache,
4460 __enable_execute_stack, __do_global_dtors, __do_global_ctors,
4461 _cleanup, _exit, __default_terminate, __terminate_func,
4462 __terminate, __empty, __throw, new_eh_context,
4463 eh_context_initialize, eh_context_static, eh_context_specific,
4464 get_eh_context, __get_eh_context, __get_eh_info,
4465 init_reg_size_table, eh_threads_initialize,
4466 __get_dynamic_handler_chain, __sjthrow, __sjpopnthrow,
4467 __unwinding_cleanup, throw_helper, __throw, __rethrow,
4468 __pure_virtual): Add prototype arguments.
4469 (__bb_exit_func): Cast a sizeof to long when comparing against one.
4470 Cast a signed value to unsigned long when comparing against one.
4471 (new_eh_context): Wrap in _GTHREADS macro.
4472 (__sjthrow, __sjpopnthrow): Initialize variable `cleanup' at
4474 (in_reg_window): Mark parameters with __attribute__ ((__unused__)).
4475 (throw_helper): Initialize variables `handler_p' and `pc_p'.
4477 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4479 * combine.c (record_promoted_value): Remove unused variable
4482 * emit-rtl.c (renumber_insns): Likewise for `old_max_uid'.
4484 * global.c (record_conflicts): Likewise for `j'.
4486 * genoutput.c (output_insn_data): Don't unnecessarily cast away
4489 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4491 * i386-protos.h (output_387_binary_op, output_fix_trunc,
4492 output_fp_compare): Constify a char*.
4494 * i386.c (ix86_split_to_parts, ix86_safe_length_prefix): Add
4496 (override_options, ix86_comp_type_attributes, print_operand,
4497 output_387_binary_op, output_fix_trunc, output_fp_compare):
4499 (ix86_sched_reorder): Mark parameter `clock_var' with
4502 * i386.h (DEBUG_PRINT_REG): Constify a char*.
4504 Fri Dec 10 16:12:13 1999 Alexandre Petit-Bianco <apbianco@cygnus.com>
4506 * tree.def (EXPR_WITH_FILE_LOCATION): Temporarily add a third
4507 operand, for use in the Java front-end.
4509 1999-12-10 Ben Collins <bcollins@debian.org>
4511 * configure.in: Fix typo for "-64" in 64bit as check.
4512 * configure: Rebuilt.
4514 1999-12-10 Jakub Jelinek <jakub@redhat.com>
4516 * longlong.h (__sparc_v9__): Use %rDIGIT instead of %DIGIT where
4519 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4521 * c-parse.in (string): With -Wtraditional, warn if ANSI string
4522 concatenation is utilized.
4524 * invoke.texi (-Wtraditional): Document it.
4526 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4528 * flow.c (flow_loops_dump): Avoid ANSI string concatenation.
4529 Cast a ptrdiff_t to long and pass it to printf with %ld.
4531 1999-12-10 Geoff Keating <geoffk@cygnus.com>
4533 * config/m68k/m68k.h (CONDITIONAL_REGISTER_USAGE): If we have no
4534 68881, we have no 68881 registers at all.
4535 (HARD_REGNO_MODE_OK): It is always OK to put a MODE_FLOAT
4536 value in a 68881 register if it is available.
4538 1999-12-10 Clinton Popetz <cpopetz@cygnus.com>
4540 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi): New patterns
4541 for long long multiply-accumulate.
4543 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
4545 * loop.c (insert_loop_mem): Undo last change.
4547 1999-12-10 David S. Miller <davem@redhat.com>
4549 * config/sparc/sparc.c (fp_sethi_p, fp_mov_p, fp_high_losum_p):
4551 * config/sparc/sparc-protos.h: Add them.
4552 * config/sparc/sparc.h: Add them to PREDICATE_CODES.
4553 (EXTRA_CONSTRAINT_BASE): New macro, handling Q, R, and S
4554 constraints which use those helpers.
4555 (EXTRA_CONSTRAINT): Use this new macro.
4556 * md.texi: Update sparc target constraints documentation.
4557 * config/sparc/sparc.md (clear_sf, clear_sfp, movsf_const_intreg,
4558 movsf_const_high, movsf_const_lo, movsf_insn): Delete.
4559 (movsf_insn_novis_liveg0, movsf_insn_novis_noliveg0,
4560 movsf_insn_vis, movsf_lo_sum, movsf_high): New patterns.
4561 (movsf high/lo_sum split): Rework for new patterns.
4562 (movsf expander): Allow storing fp_zero to memory if ! live_g0.
4564 1999-12-09 Gavin Romig-Koch <gavin@cetus.cygnus.com>
4566 * c-common.c (c_common_nodes_and_builtins):
4567 Create __builtin_ptrdiff_t and __builtin_size_t.
4569 Thu Dec 9 18:05:48 1999 Jeffrey A Law (law@cygnus.com)
4571 * pa/elf.h (MAX_OFILE_ALIGNMENT): Define.
4573 Fri Dec 10 00:53:10 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
4575 * regclass.c (globalize_reg): Re-instate test that allows
4576 fixed registers to be declared as a variable even after functions
4579 Fri Dec 10 00:52:13 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
4581 * i386.md (cpu attribute): Add "athlon".
4582 (athlon_decode): New attribute.
4583 (Athlon scheduling units definitions): New.
4584 (fcmp and shld patterns): Set athlon_decode to "vector".
4585 * i386.c (athlon_cost): New.
4587 (x86_use_leave, x86_push_memory, x86_movx, x86_cmove, x86_deep_branch,
4588 x86_use_sahf): Set for Athlon.
4589 (x86_use_fiop): Unset for Athlon.
4590 (override_options): Define Athlon alignments and "athlon" name.
4591 (x86_adjust_cost): Penalize AGI and delayed latencies for Athlon.
4592 * i386.h (TARGET_ATHLON): New.
4593 (enum processor_type): Add PROCESSOR_ATHLON.
4594 (TARGET_CPU_DEFAULT_SPEC): Set to "-D__tune_athlon__"
4596 (TARGET_CPP_CPU_SPECS): Set -D__tune_athlon__ for Athlon.
4598 1999-12-09 Andreas Jaeger <aj@suse.de>
4600 * loop.c (record_biv): Declare parameter as int.
4602 * config/i386/i386-protos.h: Declare long_memory_operand.
4604 1999-12-09 Mark Mitchell <mark@codesourcery.com>
4606 * tree.c (copy_node): Do zero the TREE_CHAIN, even for an
4607 EXPR_WITH_FILE_LOCATION.
4609 Thu Dec 9 11:36:24 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
4611 * i386.md (neg??, abs?f, one_cmpl?i): Use nonimmediate_operand
4614 * flow.c (recompute_reg_usage): Use basic block info to get loop_depth.
4616 * combine.c (try_combine, distribute_notes): Remove REG_N_REFS
4619 1999-12-09 Jakub Jelinek <jakub@redhat.com>
4621 * config/sparc/linux64.h (TARGET_DEFAULT): Make -mapp-regs
4622 default on linux64 again.
4623 * config/sparc/t-linux64: Add mno-app-regs and non-medlow code
4624 models for multilibing.
4625 * genmultilib: Accept | as alternative separator within a set in
4628 * config/sparc/sparc.h (PROMOTE_FOR_CALL_ONLY): Define.
4630 * calls.c (precompute_arguments): Make sure initial_value contains
4631 value pseudo which CSE expects.
4632 * cse.c (struct set): New entry orig_src.
4633 (cse_insn): Set it early on entry, use it for libcall EQUIV note
4636 Wed Dec 8 22:24:15 1999 Richard Henderson <rth@cygnus.com>
4638 * flow.c (count_basic_blocks): Don't add (use (const_int 0)) insns.
4640 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
4642 * loop.c (insert_loop_mem): Don't hoist volatile mems out of loops.
4644 1999-12-08 Jakub Jelinek <jakub@redhat.com>
4646 * config/sparc/sparc.c (ultra_cmove_results_ready_p,
4647 ultra_fpmode_conflict_exists, ultra_flush_pipeline): Typo fix.
4649 * config/sparc/sparc.h (SPARC_SETHI_P): Don't look at topmost 32 bits
4652 * longlong.h: Merge in changes from glibc.
4653 Also don't clobber %g2 register in 32bit SPARC assembly, so that
4654 -mno-app-regs libgcc can be compiled.
4655 * libgcc2.c: Add defines so that the updated longlong.h
4656 can be used in libgcc2.a. Also, make sure on most architectures
4657 (at least on all which have optimized code in longlong.h defined
4658 for) {SI,W}_TYPE_SIZE is suitable for preprocessor tests.
4660 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
4662 * config/sparc/sol2-64.h: Same as sol2-sld-64.h, except that
4663 `-m EMULATION' is added to non-default LINK_ARCH_SPECs.
4664 * configure.in: Use sol2-64.h instead of sol2-sld-64.h if linker
4666 * configure: Rebuilt.
4668 Wed Dec 8 03:45:40 1999 Richard Henderson <rth@cygnus.com>
4670 * alpha.c (secondary_reload_class): For !BWX, sub-simode
4671 outputs require a register.
4673 1999-12-08 Brendan Kehoe <brendan@cygnus.com>
4675 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Add _sf_to_usi
4676 _df_to_usi. Required by some targets, so US_SOFTWARE_GOFAST calls to
4677 functions like dptoul will be resolved.
4678 (libgcc2.a): Make sure that the object files from DPBIT are named
4679 differently (prefix `_dp') from those that would be coming from
4682 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>, Jakub Jelinek <jakub@redhat.com>
4684 * configure.in: When target is sparc* and tm_file contains 64,
4685 test for 64bit support in assembler. If not supported, remove
4686 sparc/t-sol2-64 from target-dependent Makefile fragments.
4687 (AS_SPARC64_FLAG): Define to the assembler flag for 64bit.
4688 (HAVE_AS_OFFSETABLE_LO10): Rework test to use these flags.
4689 (HAVE_AS_REGISTER_PSEUDO_OP): Use config.cache.
4690 * acconfig.h (AS_SPARC64_FLAG): Added.
4691 * configure, config.in: Rebuilt.
4692 * config/sparc/sol2-sld-64.h: Same as sol2.h, if without 64bit
4693 support. Use AS_SPARC64_FLAG.
4695 1999-12-07 Jakub Jelinek <jakub@redhat.com>
4697 * config/sparc/sparc.c (hard_32bit_mode_classes): Mark registers
4698 suitable for holding OFmode values so that gcc works with complex
4700 (hard_64bit_mode_classes): Likewise.
4702 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): Fix pattern
4703 so that it is actually matched.
4704 (sethi_di_medlow): Likewise.
4706 * config/sparc/sparc.h (LEGITIMATE_CONSTANT_P): Consider TFmode 0.0L
4707 as legitimate constant if -mvis.
4708 * config/sparc/sparc.md (movtf): Likewise.
4709 (clear_sf): Use const_double_operand.
4710 (clear_sfp, clear_dfp, clear_tf, clear_tfp): New patterns.
4712 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): New function.
4713 * config/sparc/sparc-protos.h (sparc_emit_float_lib_cmp): Prototype.
4714 * config/sparc/sparc.h (*_LIBCALL): Only use for _Q_*
4715 routines, _Qp_* cannot be handled like that now.
4716 (INIT_TARGET_OPTABS): Likewise.
4717 * config/sparc/sparc.md (cmptf): Accept soft float ARCH64.
4718 (seq, sne, sgt, sge, slt, sle, beq, bne, bgt, bge, blt, ble): Call
4719 sparc_emit_float_lib_cmp if ARCH64 and soft float.
4720 (extendsftf2, extenddftf2, trunctfsf2, trunctfdf2, floatsitf2,
4721 floatditf2, fix_trunctfsi2, fix_trunctfdi2, addtf3, subtf3, multf3,
4722 divtf3, sqrttf3): New expanders.
4723 (extendsftf2_hq, extenddftf2_hq, trunctfsf2_hq, trunctfdf2_hq,
4724 floatsitf2_hq, floatditf2_hq, fix_trunctfsi2_hq, fix_trunctfdi2_hq,
4725 addtf3_hq, subtf3_hq, multf3_hq, divtf3_hq, sqrttf3_hq): Rename from
4728 * configure.in (sparc64-*-linux*): Use posix threads if enabled.
4729 * configure: Rebuilt.
4730 * config/sparc/linux64.h: Default to -mcpu=ultrasparc if no
4731 -mcpu is given and we're doing 64bit compiles.
4733 Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
4735 * loop.h (struct induction): Add multi_insn_incr.
4736 * loop.c (basic_induction_var): New multi_insn_incr argument.
4737 Set it if we search back through previous insns for the biv.
4738 (record_biv): New multi_insn_incr argument; fill in struct induction.
4739 (strength_reduce): Discard an iv with multiple bivs, any of
4740 which require multiple insns to increment.
4742 1999-12-07 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4744 * invoke.texi (C Dialect Options): Remove -flang-c9x, add -std
4747 1999-12-06 David S. Miller <davem@redhat.com>
4749 * combine.c (check_promoted_subreg): Do not conditionalize this upon
4750 PROMOTE_FUNCTION_RETURN.
4752 Mon Dec 6 15:12:14 1999 Jim Wilson <wilson@cygnus.com>
4754 * regmove.c (optimize_reg_copy_1): If no REG_DEAD note, check for
4755 and handle REG_UNUSED note on insn.
4757 * combine.c (force_to_mode, case LSHIFTRT): New local inner_mask. Set
4758 inner_mask instead of mask.
4760 1999-12-06 Brendan Kehoe <brendan@cygnus.com>
4762 * dwarf2out.c (field_byte_offset): As with dwarfout.c, size can be
4763 zero if there was an error.
4765 1999-12-06 Jakub Jelinek <jakub@redhat.com>
4767 * config/sparc/sparc.md (return_losum_di): Fix typo in asm
4770 * longlong.h: Fix clobbers in SPARC asm statements.
4772 * config/sparc/sparc.c (input_operand): Allow HImode and QImode
4773 valid sethi operations when TARGET_ARCH64.
4775 * calls.c (save_fixed_argument_area): If save_mode is BLKmode,
4776 always use move_by_pieces to avoid infinite recursion.
4777 (restore_fixed_argument_area): Likewise.
4779 * combine.c (check_promoted_subreg, record_promoted_value): New
4781 (combine_instructions): Use them to retain nonzero and sign bit
4782 information after SUBREGs are eliminated by optimizations in
4783 this pass if PROMOTE_FUNCTION_RETURN.
4785 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): Document
4786 .register declaration. Don't use variables with __ prefixes.
4788 Mon Dec 6 12:24:52 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4790 * fold-const.c (optimize_bit_field_compare): Only use one mode
4791 for both RHS and LHS in non-constant case.
4793 1999-12-06 Nathan Sidwell <nathan@acm.org>
4795 * frame.c (start_fde_sort): Only allocate erratic array, if
4796 linear one was allocated. Return allocated flag.
4797 (fde_insert): Only insert, if there's a valid array.
4798 (fde_end_sort): Split, sort and merge if linear and erratic
4799 arrays exist, else just sort linear one.
4800 (search_fdes): New function. Linear search through original fde
4802 (frame_init): Permit multiple initializations. Cope with
4804 (find_fde): Fallback on linear search, if failed to sort array.
4805 (__deregister_frame_info): Only free sorted array, if we
4808 1999-12-06 Jakub Jelinek <jakub@redhat.com>
4810 * config/sparc/sparc.h (MUST_PASS_IN_STACK): New macro.
4812 1999-12-05 Jakub Jelinek <jakub@redhat.com>
4814 * config/sparc/sparc.c (sparc64_initialize_trampoline): Use gen_flushdi.
4816 1999-12-05 Mark Mitchell <mark@codesourcery.com>
4818 * tree.h (special_function_p): Declare.
4819 * calls.c (special_function_p): Make it global. Don't take `name'
4820 as a parameter. Fix typo in 1999-11-28 change.
4821 (expand_cal): Adjust.
4823 1999-12-04 Mark Mitchell <mark@codesourcery.com>
4825 * tree.def (EXPR_WITH_FILE_LOCATION): Fix comment formatting.
4826 * tree.h (EXPR_WFL_FILENAME): Define in terms of
4827 EXPR_WFL_FILENAME_NODE.
4828 (EXPR_WFL_FILENAME_NODE): Use the second operand slot rather than
4830 * print-tree.c (print_note): Print TREE_PRIVATE and
4833 * dwarf2out.c (add_abstract_origin_attribute): Don't abort when
4834 the original die cannot be found.
4836 * varray.h (varray_head_tag): Add elements_used.
4837 (VARRAY_PUSH): New macro.
4838 (VARRAY_POP): Likewise.
4839 (VARRAY_TOP): Likewise.
4840 Add variants of VARRAY_PUSH and VARRAY_POP for all varray element
4842 * varray.c (varray_init): Initialize elements_used.
4843 * Makefile.in (BASIC_BLOCK_H): Add varray.h.
4844 (INTEGRATE_H): New variable.
4845 (integrate.o): Depend on INTEGRATE_H.
4846 (unroll.o): Likewise.
4848 * function.h (insert_block_after_note): Declare.
4849 * function.c (insert_block_after_note): Split out from ...
4850 (retrofit_block): ... here.
4852 * stmt.c (expand_fixup): Fix typo in comment.
4854 Sat Dec 4 14:13:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
4856 * regmove.c (copy_src_to_dest): Remove loop_depth parameter.
4857 (optimize_reg_copy_1): Remove REG_N_REFS updating code.
4858 (optimize_reg_copy_2, copy_src_to_dest, fixup_match_2): Likewise.
4859 (regmove_optimize, fixup_match_1): Likewise.
4861 1999-12-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4863 * flow.c (flow_loops_dump): Add missing argument when calling
4866 1999-12-04 Geoffrey Keating <geoffk@cygnus.com>
4867 Greg McGary <gkm@gnu.org>
4869 * c-common.c (enum attrs): Add A_NO_LIMIT_STACK.
4870 (init_attributes): Add A_NO_LIMIT_STACK.
4871 (decl_attributes): Handle A_NO_LIMIT_STACK.
4872 * c-decl.c (duplicate_decls): Handle DECL_NO_LIMIT_STACK.
4873 * explow.c (allocate_dynamic_stack_space) [!HAVE_allocate_stack]:
4874 Handle stack bounds checking.
4875 * flags.h (flag_stack_check): Use the word 'probe' rather than
4876 'check', because the flag doesn't actually cause any checking to
4878 * function.c (expand_function_start): Set
4879 current_function_limit_stack.
4880 * function.h (struct function): Add limit_stack.
4881 (current_function_limit_stack): Define.
4882 * invoke.texi (Code Gen Options): Document new options.
4883 * rtl.h: Declare stack_limit_rtx.
4884 * toplev.c (stack_limit_rtx): New variable.
4885 (decode_f_option): Handle new options -fstack-limit-register=REG,
4886 -fstack-limit-symbol=IDENT, -fno-stack-limit.
4887 (main): Add stack_limit_rtx as GC root.
4888 * tree.h (DECL_NO_LIMIT_STACK): New macro.
4889 (struct tree_decl): New member no_limit_stack.
4891 * config/rs6000/rs6000.c (rs6000_allocate_stack_space): Handle
4893 * config/rs6000/rs6000.md (allocate_stack): Handle stack_limit_rtx.
4894 (conditional_trap+1): Get new mnemonic correct.
4895 (conditional_trap+2): New pattern for DImode traps.
4897 * config/m68k/m68k.c (output_function_prologue): Handle
4899 * config/m68k/m68k.md (trap): New insn.
4900 (conditional_trap): New insn.
4901 * md.texi (Standard Names): Document `trap' and
4903 * optabs.c (gen_cond_trap): Use start_sequence()/end_sequence()
4904 so a cc0 setter doesn't get emitted at some random place in the
4907 * config/i960/i960.md (trap): New insn.
4908 (conditional_trap): New expander.
4909 (conditional_trap+1, conditional_trap+2): New insns for signed
4911 * config/i960/i960.c (i960_function_prologue): Use
4912 STARTING_FRAME_OFFSET. Handle stack_limit_rtx.
4914 Thu Dec 2 21:22:45 1999 Greg McGary <gkm@gnu.org>
4915 Geoffrey Keating <geoffk@cygnus.com>
4917 * flags.h (warn_padded, warn_packed): Add global var decls.
4918 * toplev.c (warn_padded, warn_packed): Add global var defns.
4919 (W_options): Add warnings `-Wpacked' and `-Wpadded'.
4920 * stor-layout.c (layout_record): Add local variable `type'
4921 to hold often-used TREE_TYPE (field). Add local variable
4922 `unpacked_align' to hold alignment that would be in force
4923 if no `packed' attribute were present. Warn if `packed' attribute
4924 is unnecessary, or even harmful. Warn when gcc inserts padding
4925 to satisfy alignment requirements of members. Use NULL_TREE
4926 when checking whether var_size is set.
4927 * invoke.texi: Document new flags.
4929 1999-12-03 Nathan Sidwell <nathan@acm.org>
4931 * frame.c (fde_split): Reimplement to avoid variable sized array.
4933 Thu Dec 2 18:59:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
4935 * combine.c (try_combine): Before fixing up LOG_LINKS for the
4936 i3_subst_into_i2 case, check that GET_CODE (PATTERN (i2)) == PARALLEL.
4938 1999-12-02 Gavin Romig-Koch <gavin@cygnus.com>
4940 * invoke.texi: Document the mips option -mno-crt0
4942 1999-12-02 Mike Karr <mkarr@mathworks.com>
4944 * cccp.c (argdata): Added free_ptr member.
4945 (macroexpand): Initialize free_ptr of each argument. When an
4946 argument's buffers are freed, if the argument's free_ptr corresponds
4947 to a buffer on the input stack, then return the free_ptr to that stack
4948 frame, otherwise, free it.
4949 (macarg): If an argument begins and ends on the same input stack level,
4950 then transfer the free_ptr of that buffer to the argument in case
4951 the stack is popped during the processing of a subsequent argument.
4953 1999-12-02 Bernd Schmidt <bernds@cygnus.co.uk>
4955 * loop.c (note_reg_stored): New function.
4956 (struct note_reg_stored_arg): New structure.
4957 (try_copy_prop): Change to be more conservative; only replace within
4958 one extended basic block and stop replacing if a store to the
4959 replacement reg is seen.
4961 1999-12-02 Nick Clifton <nickc@cygnus.com>
4963 * config/fp-bit.c: Initialise all fields of the NAN
4966 * c-lex.c (check_newline): Pass pragma_getc and pragma_ungetc
4969 Wed Dec 1 18:16:38 1999 Jan Hubicka <hubicka@freesoft.cz>
4971 * i386.md (extend?f?f2): Force the input into a register, not
4974 1999-12-01 Jakub Jelinek <jakub@redhat.com>
4976 * config/sparc/sparc.md (movsf_const_intreg): Add constraints for
4978 (movdf_const_intreg_sp32): Likewise. Prefer the memory load
4979 alternative because setting up 64bit constant is usually costly,
4980 especially when reload is in progress or completed.
4981 (movdf_const_intreg_sp64): Likewise.
4982 (movdf_const_intreg split): Fix building up constants when
4983 HOST_BITS_PER_WIDE_INT is 64 yet long is 32bit.
4985 Wed Dec 1 16:51:22 1999 Jeffrey A Law (law@cygnus.com)
4987 * combine.c (if_then_else_cond): Use const_true_rtx instead of
4988 const1_rtx for return values in EQ/NE comparison against (const_int 0)
4991 * mn10300.c (REG_SAVE_BYTES): Allocate space for AM33 registers.
4992 (asm_file_start): Emit .am33 into assembly file when compiling for
4994 (print_operand_address): Handle POST_INC addresses.
4995 (can_use_return_insn, initial_offset): Check AM33 registers too.
4996 (expand_prologue): Check & save AM33 registers too.
4997 (expand_epilogue): Similarly.
4998 (secondary_reload_class): Handle AM33 specific secondary reloads.
4999 (output_tst): Emit efficient code for the AM33 too.
5000 * mn10300.h (CPP_SPEC, TARGET_AM33): Define.
5001 (TARGET_SWITCHES): Add -mam33 switch.
5002 (FIRST_PSEUDO_REGISTER): Handle new AM33 registers.
5003 (FIXED_REGISTERS, CALL_USED_REGISTERS): Likewise.
5004 (REG_ALLOC_ORDER, CONDITIONAL_REGISTER_USAGE): Likewise.
5005 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P): Likewise.
5006 (enum reg_class, REG_CLASS_NAMES): Likewise.
5007 (REG_CLASS_CONTENTS, REGNO_REG_CLASS): Likewise.
5008 (INDEX_REG_CLASS, REG_CLASS_FROM_LETTER): Likewise.
5009 (REGNO_OK_FOR_INDEX_P, PREFERRED_RELOAD_CLASS): Likewise.
5010 (PREFERRED_OUTPUT_RELOAD_CLASS, LIMIT_RELOAD_CLASS): Likewise.
5011 (REGISTER_MOVE_COST, REGISTER_NAMES): Likewise.
5012 (HAVE_POST_INCREMENT): Define.
5013 (GO_IF_LEGITIMATE_ADDRESS): Allow POST_INC addresses for the AM33.
5014 (GO_IF_MODE_DEPENDENT_ADDRESS): POST_INC is a mode dependent address.
5015 * mn10300.md (movqi, movhi, addsi, subsi): Add AM33 variants.
5016 (mulsi, andsi, iorsi, xorsi, notsi): Likewise.
5017 (ashiftsi, lshiftrtsi, ashiftrtsi): Likewise.
5018 (zero_extend to SI from QI/HI): Likewise.
5019 (sign_extend to SI from QI/HI): Likewise.
5020 (mulsidi3, umulsidi3): New patterns for the AM33.
5021 (tstsi with zero extension from QI/HI): Add AM33 variants.
5022 (movsi, movsf, movdi, movdf): Generate efficient code for the AM33 too.
5023 (return_internal_regs, store_movm): Handle new AM33 registers.
5024 * t-mn10300 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Define.
5025 (LIBGCC, INSTALL_LIBGCC): Likewise.
5026 * invoke.texi: Document new flags.
5028 Fri Nov 26 10:59:12 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
5030 * i386.md (addsi3_cc): Add "binary_operator_ok" to the condition.
5031 (addsi3_carry): Likewise.
5032 (sbbsi3_cc): Add "binary_operator_ok" to the condition.
5033 (sbbsi3_carry): Likewise.
5034 (mulsi3): Rewrite to expander, ensure that only one operand is memory.
5036 (test?i_1): Ensure that only one operand is memory.
5037 (conditional move patterns): likewise.
5038 (shift and rotate patterns): Rewrite to expander, add
5039 "binary_operator_ok" to the condition.
5041 * i386.md (QImode patterns): Remove '*' before the 'r' constraints.
5042 * i386.h (procesor_costs): Add movzbl_load field.
5043 (HARD_REGNO_MODE_OK): Accept QImode on non PARTIAL_REGISTER_STALL in
5044 non-Q registers, accept DImode registers anywhere.
5046 (MEMORY_MOVE_COST): Calculate QImode moves correctly.
5047 * i386.c (*_cost): Set value for movxbl_load field.
5049 * (addsi): New add to lea splitter.
5051 (lea to add/shift peep2): New.
5053 1999-12-01 Mark Salter <msalter@cygnus.com>
5055 * config/mips/elf.h (STARTFILE_SPEC): Add no-crt0.
5056 * config/mips/elf64.h (STARTFILE_SPEC): Add no-crt0.
5057 * config/mips/mips.h (TARGET_SWITCHES): Add no-crt0.
5059 Tue Nov 30 15:20:52 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
5061 * i386.c (ix86_expand_move): Never add clobbers to move patterns.
5062 * i386.md (movsi_xor): New.
5064 (movsi_1, movhi_1, movqi_1): Remove.
5065 (movsi_2): Rename to movsi_1.
5066 (movhi_2): Rename to movhi_1.
5067 (movqi_2): Rename to movqi_1.
5068 (movdi_1): Remove; remove splitter.
5069 (movdi_2): Rename to movdi_1.
5070 (divmodsi4 splitter): Do not emit clobbers for move patterns.
5071 (long move peep2): Do not create QI or HI mode mov0s
5072 (mov -1,reg -> or peep2s): Enable again, rewrite to single peephole.
5074 * i386.md (zero_extend?i?i2): Rewrite to expanders; new patterns,
5077 * i386.md (neg?f2_if): Split "r" and "f" to separate alternatives.
5078 (abs?f2_if): Likewise.
5080 1999-11-30 Alex Samuel <samuel@codesourcery.com>
5082 * ggc.h (ggc_test_and_set_mark): New macro.
5083 (ggc_mark_rtx): Use ggc_test_and_set_mark.
5084 (ggc_mark_tree): Likewise.
5085 (ggc_mark_rtvec): Likewise.
5086 * ggc-common.c (ggc_mark_rtx_children): Reduce recursion.
5088 1999-11-30 Jason Merrill <jason@casey.cygnus.com>
5090 * dwarf2out.c (scope_die_for): Only handle types. Only search for
5092 (decl_scope_table): Just an array of trees now.
5093 (push_decl_scope): Simplify.
5094 (dwarf2out_init): Adjust.
5095 (local_scope_p): New fn.
5096 (gen_inlined_enumeration_type_die): Don't call scope_die_for.
5097 (gen_inlined_union_type_die, gen_inlined_structure_type_die): Likewise.
5098 (gen_typedef_die): Likewise.
5099 (gen_lexical_block_die): Don't call push/pop_decl_scope.
5100 (gen_inlined_subroutine_die): Likewise.
5101 (gen_abstract_function): Set current_function_decl temporarily.
5102 (gen_subprogram_die): Don't check DECL_ABSTRACT to set declaration.
5103 Handle block extern declarations. Don't call push/pop_decl_scope.
5104 (gen_decl_die): Fix logic for block externs.
5106 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5108 * calls.c (special_function_p): Remove `realloc' and add `strdup'
5109 to the list of functions which have attribute malloc by default.
5111 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5113 * c-lex.c (yylex): With -Wtraditional, when the ANSI type of an
5114 integer constant does not match the traditional type, limit the
5115 warnings to cases where the base of the type is ten.
5117 * invoke.texi (-Wtraditional): Document it.
5119 Tue Nov 30 15:18:35 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5121 * combine.c (try_combine): Only pass SET or CLOBBER to SET_DEST
5122 * rs6000.md: Only access a CONST_INT with INTVAL
5124 Tue Nov 30 14:21:00 1999 Richard Henderson <rth@cygnus.com>
5126 * lcm.c (compute_laterin): Cast bb->aux to size_t not int.
5127 (compute_nearerout): Likewise.
5128 * ggc-page.c (ggc_page_print_statistics): Explicitly cast
5129 size_t to unsigned long for formatting.
5131 1999-11-30 Jakub Jelinek <jakub@redhat.com>
5133 * config/sparc/sparc.h (FIXED_REGISTERS, CONDITIONAL_REGISTER_USAGE):
5134 Allow the user to override call-used/fixed state of %g2-5
5135 registers from the command line (with the exception of %g4 for
5137 (REG_LEAF_ALLOC_ORDER): Move %g1 and %g4-7 registers to front, so that
5138 there is a higher chance of having a leaf function.
5139 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Provide separate macros
5140 for ARCH64 which has %ccr register.
5141 * config/sparc/sparc.md (return_losum_si, return_losum_di): New
5143 * config/sparc/sparc.c (eligible_for_epilogue_delay): For the return
5144 insn accept into delay slot any insn which does not use %[ol]
5145 registers. Accept some LO_SUM and shift left by 1 for the normal
5147 (output_function_epilogue): Likewise.
5148 (epilogue_renumber): Added argument which inhibits any renumbering
5149 and just tests if the rtx does not use any %[ol] registers.
5150 (output_return): Reflect above change.
5152 1999-11-30 Jakub Jelinek <jakub@redhat.com>
5154 * config/sparc/sparc.c (sparc_va_arg): Fix sparc64 va_arg
5155 aggregate passing for sizes <= 16 bytes.
5157 1999-11-30 Bernd Schmidt <bernds@cygnus.co.uk>
5159 * cse.c (FIXED_REGNO_P): Delete tests for OVERLAPPING_REGNO_P.
5160 * global.c (global_alloc): Delete [OVERLAPPING_REGNO_P] code.
5161 * reload.c (find_dummy_reload): Likewise.
5162 (find_equiv_reg): Likewise; also for INSN_CLOBBERS_REGNO_P.
5163 * reload1.c (reload_as_needed): Likewise.
5164 * stupid.c (stupid_find_reg): Likewise.
5165 * tm.texi (Obsolete Register Macros): Delete section.
5166 * gmicro.h: Remove all traces of the two macros.
5171 1999-11-30 Brendan Kehoe <brendan@cygnus.com>
5173 * sparc.h (MASK_FASTER_STRUCTS, TARGET_FASTER_STRUCTS): Define.
5174 (TARGET_SWITCHES): Add -mfaster-structs/-mno-faster-structs flags.
5175 (ROUND_TYPE_ALIGN): Use better value if -mfaster-structs.
5176 * sparc.md (sparclite86x_branch, sparclite86x_shift): New function
5177 units for the sparclite86x chip.
5178 (flush): Revert October 14th change; add SImode specifically.
5179 (flushdi): Copy of flush, but DImode, to avoid genrecog warnings.
5180 * invoke.texi: Document it.
5182 Tue Nov 30 14:58:14 1999 Nick Clifton <nickc@cygnus.com>
5184 * config/mn10200/mn10200.h (PREDICATE_CODES): Add
5185 psimode_truncation_operand.
5187 * config/mn10200/mn10200.c (psimode_truncation_operand): New
5188 function. Return true if the operand is either a MEM valid
5189 for a PSImode address or not a MEM at all.
5191 * config/mn10200/mn10200.md (truncsipsi2): Use
5192 psimode_truncation_operand.
5194 1999-11-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5196 * flow.c (flow_nodes_print, flow_loops_cfg_dump): New functions.
5197 (flow_loop_nested_p, flow_loops_dump, flow_loops_free): Likewise.
5198 (flow_loop_exits_find, flow_loop_nodes_find): Likewise.
5199 (flow_depth_first_order_compute, flow_loop_pre_header_find): Likewise.
5200 (flow_loop_tree_node_add, flow_loops_tree_build): Likewise.
5201 (flow_loop_level_compute, low_loops_level_compute): Likewise.
5202 (flow_loops_find, flow_loop_outside_edge_p): Likewise.
5203 * basic-block.h: Protect from multiple inclusion.
5204 (flow_loops_find, flow_loops_free, flow_loop_dump): Add protoypes.
5205 (struct loops, struct loop): Define structures.
5206 * sbitmap.c (sbitmap_a_subset_b_p): New function.
5207 * sbitmap.h: Protect from multiple inclusion.
5208 (sbitmap_a_subset_b_p): Add prototype.
5209 * Makefile.in (LOOP_H): New macro.
5210 (stmt.o, integrate.o, loop.o, unroll.o): Replace loop.h with LOOP_H.
5212 Tue Nov 30 01:34:47 1999 Philippe De Muyter <phdm@macqel.be>
5214 * cppinit.c (CAT): The argument list of this macro may not contain
5217 1999-11-29 David S. Miller <davem@redhat.com>
5219 Move quantity tables and register equivalence chains into
5220 per-qty and per-register structure arrays respectively.
5221 * cse.c (qty_first_reg, qty_last_reg, qty_mode, qty_const,
5222 qty_const_insn, qty_comparison_code, qty_comparison_const,
5223 qty_comparison_qty): Delete, replace with...
5224 (qty_table): this structure table.
5225 (reg_next_eqv, reg_prev_eqv): Delete, replace with...
5226 (reg_eqv_table): this structure table.
5227 (make_new_qty): Add argument MODE. Caller updated.
5228 Update to use qty_table and reg_eqv_table.
5229 (make_regs_eqv, delete_reg_equiv, insert_regs,
5230 insert, exp_equiv_p, cse_rtx_varies_p, canon_reg,
5231 fold_rtx, equiv_constant, record_jump_cond, cse_insn,
5232 cse_process_notes, cse_main, cse_basic_block): Likewise.
5234 Mon Nov 29 16:56:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5236 * fold-const.c (extract_muldiv, case {MIN,MAX}_EXPR): Reverse
5237 operation if C is negative.
5238 (extract_muldiv, case SAVE_EXPR): Supresss if arg has side effects.
5239 (extract_muldiv, case {PLUS,MINUS}_EXPR): Don't apply distributive
5240 law for some divisions if constant is negative and change other
5241 divisions to the opposite rounding.
5243 * expr.c (store_constructor_field): If bit position is not multiple
5244 of alignment of TARGET's mode, use BLKmode.
5246 * expr.c (expand_expr_unaligned): Add more code from full case
5247 that is needed when OP0 is in a register.
5249 Mon Nov 29 18:09:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
5251 * dwarfout.c (field_byte_offset): Size can be zero if there was
5254 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
5256 * fold-const.c (split_tree): Delete unused vars ORIG_IN and TYPE.
5257 (associate_trees): Delete unused var TEM.
5258 (extract_muldiv): Delete unused var CANCEL_P.
5260 * fold-const.c [TARGET_FLOAT_FORMAT != IEEE_FLOAT_FORMAT]
5261 (target_isinf, target_isnan, target_negative): Add return types to
5262 function definitions.
5264 1999-11-29 Bruce Korb <autogen@linuxbox.com>
5266 * fixinc/fixincl.c(process): don't skip GLIBC files any more.
5267 * fixinc/hackshell.tpl: ditto
5268 * fixinc/fixtests.c(double_slash_test): more C++ header testing
5269 * fixinc/inclhack.def(AAB_fd_zero_glibc*): corrected spelling of mach
5271 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
5273 * reload.c (push_reload): When looking for a register to put into
5274 reg_rtx, make sure all hard regs in a multi-reg register are in the
5275 right class and nonfixed.
5277 * haifa-sched.c (reg_last_uses, reg_last_sets, reg_last_clobbers,
5278 pending_read_insns, pending_write_insns, pending_read_mems,
5279 pending_write_mems, pending_list_length, last_pending_memory_flush,
5280 last_function_call, sched_before_next_call): Move static variables
5282 (bb_ prefixed versions): Replace with single array bb_deps.
5283 (struct deps): New structure.
5284 (add_insn_mem_dependence, flush_pending_lists, sched_analyze_1,
5285 sched_analyze_2, sched_analyze_insn, sched_analyze): Accept new
5286 argument of type "struct deps *"; use that instead of global
5287 variables. All callers changed.
5288 (init_rgn_data_dependencies): Delete function.
5289 (init_rtx_vector): Delete function.
5290 (init_deps): New function.
5292 (free_pending_lists): Simplify, we always use the bb_deps array even
5293 if only one basic block.
5294 (compute_block_backward_dependences): Likewise.
5295 (schedule_region): Likewise.
5297 (propagate_deps): New function, broken out of
5298 compute_block_backward_dependences.
5299 (compute_block_backward_dependences): Use it.
5301 * alpha.md: Delete useless patterns that tried to work around
5302 register elimination problems.
5304 * unroll.c (loop_iterations): Don't abort if iteration variable
5307 From Joern Rennecke:
5308 * reload1.c (reloads_conflict): Reverse test comparing operand
5309 numbers when testing for conflict between output/outaddr reloads.
5311 1999-11-29 David S. Miller <davem@redhat.com>
5313 * config/sparc/sparc.c (init_cumulative_args): Fix type of third
5315 * config/sparc/sparc-protos.h: Update proto, move into RTX_CODE.
5317 1999-11-28 Robert Lipe <robertl@cygnus.com>
5319 * i386/sco5.h (FINI_SECTION_ASM_OP_COFF): Move destructor fn
5320 table from .fini into .dtor.
5322 1999-11-28 Anthony Green <green@cygnus.com>
5324 * tree.h (struct tree_decl): Add malloc_flag.
5325 (DECL_IS_MALLOC): Define.
5326 * c-common.c (attrs): Add A_MALLOC attribute.
5327 (init_attributes): Add this attribute to the table.
5328 (decl_attributes): Handle malloc attribute.
5329 * calls.c (special_function_p): Check for the malloc attribute.
5330 * extend.texi (Function Attributes): Document malloc attribute.
5332 Sun Nov 28 13:21:00 1999 Jeffrey A Law (law@cygnus.com)
5334 * pa.md (reload shift-add patterns): Remove.
5336 1999-11-28 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5338 * reorg.c (dbr_schedule) Print more statistics. Corrected
5339 problem when printing info when 3 delay slots are filled.
5341 1999-11-28 Jakub Jelinek <jakub@redhat.com>
5343 * combine.c (setup_incoming_promotions): Pass an outgoing
5344 regno to FUNCTION_ARG_REGNO_P which it expects.
5346 1999-11-28 Andreas Jaeger <aj@suse.de>
5348 * mips/linux.h (CPP_PREDEFINES): Undefine before redefining.
5350 Sun Nov 28 00:48:15 1999 Philippe De Muyter <phdm@macqel.be>
5352 * cccp.c (do_include): Avoid initialization of automatic variable.
5354 * integrate.c (mark_stores): Function definition made void, to match
5355 previous declaration.
5356 * regclass.c (dump_regclass): Ditto.
5357 * Makefile.in (WARN_CFLAGS): Macro augmented by `-Wtraditional'.
5359 Sat Nov 27 08:38:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5361 * expr.c (store_constructor): Use EXACT_DIV_EXPR when dividend is
5362 known to be multiple of divisor.
5364 * expr.c (store_constructor): Don't clobber TARGET if CLEARED.
5366 * combine.c (try_combine): Add code to try to merge a set of a
5367 two-word pseudo to a constant with a setting of one of those words
5370 * fold-const.c (negate_expr, associate_trees, extract_muldiv): New.
5371 (split_tree): Completely rework to make more general.
5372 (make_range, fold): Call negate_expr.
5373 (fold, case NEGATE_EXPR): Simplify -(a-b) is -ffast-math.
5374 (fold, associate): Call new split_tree and associate_trees.
5375 (fold, case MULT_EXPR, case *_{DIV,MOD}_EXPR): Call extract_muldiv.
5377 1999-11-26 Bernd Schmidt <bernds@cygnus.co.uk>
5379 * loop.c (try_copy_prop): Avoid GNU C extension.
5381 1999-11-25 Mark Mitchell <mark@codesourcery.com>
5383 * except.c (init_eh_for_function): Still zero eh_return_context,
5384 eh_return_stack_adjust, and eh_return_handler.
5386 * except.h (eh_status): Adjust documentation for x_protect_list.
5387 (begin_protect_partials): New function.
5388 * except.c (enqueue_eh_entry): Fix formatting.
5389 (get_first_handler): Add consistency check.
5390 (add_partial_entry): Adjust usage of protect_list.
5391 (emit_cleanup_handler): Save and restore ehqueue.
5392 (expand_start_all_catch): Add comment.
5393 (begin_protect_partials): New function.
5394 (end_protect_partials): Adjust usage of protect_list.
5395 (init_eh_for_function): Use xcalloc.
5397 1999-11-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5399 * c-common.c (check_format_info): Don't call a variadic function
5400 with a non-literal format string.
5402 * c-decl.c (grokdeclarator, start_struct, finish_struct): Likewise.
5404 * c-typeck.c (build_component_ref, build_unary_op, lvalue_or_else,
5405 pedantic_lvalue_warning, error_init, pedwarn_init, warning_init):
5408 * cccp.c (check_macro_name, do_xifdef, vwarning_with_line):
5411 * collect2.c (collect_wait): Likewise.
5413 * dbxout.c (dbxout_type): Likewise.
5415 * gcc.c (do_spec_1): Likewise.
5417 * genemit.c (gen_insn, gen_expand): Likewise.
5419 * genrecog.c (write_switch, write_subroutine): Likewise.
5421 * mips-tfile.c (catch_signal, botch): Likewise.
5423 * print-rtl.c (print_rtx): Likewise.
5425 * toplev.c (default_print_error_function, report_error_function,
5426 _fatal_insn): Likewise.
5428 1999-11-25 Mark Mitchell <mark@codesourcery.com>
5430 * tree.c (unsave_expr_now): Handle NULL_TREE as input.
5432 Wed Nov 24 17:08:09 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
5434 * reg-stack.c (subst_stack_regs_pat): Swap operands in commutative
5435 operations when needed.
5436 * i386.md (fop_?f_comm): New.
5437 (fop_?f_1): Do not accept commutative operands.
5439 1999-11-25 Andreas Jaeger <aj@suse.de>
5441 * config/mips/mips.md (casesi_internal): Add missing brace.
5443 1999-11-25 Jason Merrill <jason@casey.cygnus.com>
5445 * dwarf2out.c (pend_type, output_pending_types_for_scope): Lose.
5446 (splice_child_die): Handle moving a child DIE from the declaration
5447 DIE of a class to its specification.
5448 (gen_struct_or_union_type_die): Use 'complete' consistently.
5449 (gen_decl_die): Generate the virtual context DIE first.
5450 Use decl_ultimate_origin instead of DECL_ABSTRACT_ORIGIN.
5452 1999-11-24 Gavin Romig-Koch <gavin@cygnus.com>
5454 * config/mips/mips.md (call_value_multiple_interanal1): New.
5456 1999-11-24 Jason Merrill <jason@casey.cygnus.com>
5458 * dwarf2out.c (free_AT, free_die): New fns.
5459 (remove_children): Call them.
5460 (output_line_info): Disable removal of duplicate notes.
5462 Generate minimal debug info for types with TYPE_DECL_SUPPRESS_INFO set.
5463 * dwarf2out.c (gen_struct_or_union_type_die): TYPE_DECL_SUPPRESS_INFO
5464 means pretend the type isn't defined.
5465 Don't defer emitting types.
5466 (gen_type_die_for_member): New fn.
5467 (gen_decl_die): Call it.
5468 (splice_child_die): New fn.
5469 (gen_member_die): Call it rather than generate duplicate dies.
5471 Defer emitting information for the abstract instance of an inline
5472 until we either inline it or emit an out-of-line copy.
5473 * dwarf2out.c (decl_ultimate_origin): Ignore DECL_ABSTRACT_ORIGIN
5474 from output_inline_function if DECL_ABSTRACT is also set.
5475 (block_ultimate_origin): Likewise.
5476 (gen_abstract_function): New fn.
5477 (gen_decl_die, gen_inlined_subroutine_die): Call it.
5478 (gen_subprogram_die): An abstract instance is not a declaration
5479 just because it doesn't match current_function_decl. Don't abort
5480 because DECL_DEFER_OUTPUT isn't set. Do abort if a declaration
5481 has an abstract origin.
5482 * toplev.c (rest_of_compilation): Don't emit dwarf2 info for the
5483 abstract instance here.
5485 Wed Nov 24 18:39:18 1999 Andrew Haley <aph@cygnus.com>
5487 * config/sh/sh.h (SECONDARY_OUTPUT_RELOAD_CLASS): Add the case
5488 where we need to reload fpul from a system register.
5490 1999-11-24 Andreas Jaeger <aj@suse.de>
5492 * config/mips/linux.h (CPP_PREDEFINES): Added.
5493 (LINK_SPEC): Remove -Y since this is only needed on sparc.
5495 1999-11-24 Andreas Jaeger <aj@suse.de>
5497 * config/mips/linux.h (TARGET_VERSION): Added.
5498 (HANDLE_SYSV_PRAGMA): Added.
5499 (DEFAULT_VTABLE_THUNKS): Added.
5501 Wed Nov 24 14:12:15 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
5503 * local-alloc.c (qty): New structure and static variable.
5504 (qty_phys_reg): Remove, all references changed to qty.
5505 (qty_n_refs): Likewise.
5506 (qty_min_class): Likewise.
5507 (qty_birth): Likewise.
5508 (qty_death): Likewise.
5509 (qty_size): Likewise.
5510 (qty_mode): Likewise.
5511 (qty_n_calls_crossed): Likewise.
5512 (qty_alternate_class): Likewise.
5513 (qty_changes_size): Likewise.
5514 (qty_first_reg): Likewise.
5515 (alloc_qty): Rename variable QTY to QTYNO.
5516 (finf_free_reg): Likewise.
5517 (local_alloc): Allocate qty, do not allocate the removed variables.
5519 Wed Nov 24 17:26:05 1999 Geoffrey Keating <geoffk@cygnus.com>
5521 * config/mips/mips.h (ASM_SPEC): Don't pass -G to the assembler
5522 when -membedded-pic is passed.
5524 * config/mips/mips.md (casesi): Handle 64-bit case too.
5525 (casesi_internal_di): New insn.
5527 * config/mips/mips.c (embedded_pic_offset): Always make the
5528 embedded-pic subtractions relative to the name of the current
5529 function by use of the magic string "..CURRENT_FUNCTION".
5530 * config/mips/mips.h (ASM_OUTPUT_LABELREF): Make the magic happen.
5532 1999-11-24 Geoffrey Keating <geoffk@cygnus.com>
5534 * config/mips/mips.md (div_trap_normal): Don't ask for the REGNO
5535 of (const_int 0), when what we really care about is
5536 whether it's a zero constant anyway.
5537 (div_trap_mips16): Likewise.
5539 1999-11-23 Mark Mitchell <mark@codesourcery.com>
5541 * loop.c (loop_optimize): Always find_loop_tree_blocks and
5542 unroll_block_trees when generating debuggable code.
5544 * tree.h (unsave_expr_1): New function.
5545 (lang_unsave): New variable.
5546 (get_callee_fndecl): New function.
5547 * tree.c (unsave_expr_now_r): New function.
5548 (lang_unsave): Define.
5549 (unsave_expr_1): Likewise.
5550 (unsave_expr_now_r): Split out from unsave_expr_now.
5551 (unsave_expr_now): Call lang_unsave if it is non-NULL. Otherwise,
5552 call unsave_expr_now_r.
5553 (get_callee_fndecl): Define.
5555 * Makefile.in (gencheck): Don't depend on lang_tree_files.
5556 (gencheck.o): Do depend on lang_tree_files.
5558 * integrate.h (copy_decl_for_inlining): New declaration.
5559 * integrate.c (copy_and_set_decl_abstract_origin): Remove.
5560 (copy_decl_for_inlining): New function.
5561 (integrate_parm_decls): Use it.
5562 (integrate_decl_tree): Likewise.
5564 1999-11-23 Gavin Romig-Koch <gavin@cygnus.com>
5566 * config/mips/mips.h (ISA_HAS_FP4,ISA_HAS_CONDMOVE,ISA_HAS_8CC): Split
5567 the second two from the first.
5568 (CONDITIONAL_REGISTER_USAGE): Use ISA_HAS_8CC rather than ISA_HAS_FP4.
5569 * config/mips/mips.md (movcc,reload_incc,reload_outcc,
5570 conditional move): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
5572 * config/mips/mips.c (mips_move_1word,gen_conditional_branch,
5573 override_options): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
5576 Tue Nov 23 11:15:04 1999 Jeffrey A Law (law@cygnus.com)
5578 * pa.md (call_internal_symref, call_value_internal_symref): No mode
5579 needed on the address operand.
5580 * pa.c (call_operand_address): Check for the correct mode.
5582 1999-11-23 Bernd Schmidt <bernds@cygnus.co.uk>
5584 * loop.c: Include "basic-block.h".
5585 (try_copy_prop, replace_loop_reg): New functions.
5586 (load_mems): Detect registers that just hold copies of the hoisted
5587 mem, and call try_copy_prop to eliminate them.
5588 * Makefile.in (loop.o): Update dependencies.
5590 Tue Nov 23 01:03:29 1999 Hans-Peter Nilsson <hp@axis.com>
5592 * Makefile.in (gencheck.o): Depend on gencheck.h.
5593 (insn-emit.o): Depend on flags.h, hard-reg-set.h and resource.h.
5594 (insn-peep.o): Depend on except.h and function.h.
5595 (insn-attrtab.o): Depend on RECOG_H.
5596 (insn-output.o): Depend on toplev.h and flags.h.
5597 (gengenrtl.o): Depend on real.h.
5598 (gen-protos.o): Depend on cpplib.h and cpphash.h.
5599 Unify all dependencies to be on RECOG_H rather than recog.h.
5601 Tue Nov 23 00:57:10 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5603 From Casper H.S. Dik on comp.unix.solaris, 23 Oct 1998:
5604 * configure.in: Try building a bi-arch 32/64-bit compiler on
5605 sparc-*-solaris2.7 and higher.
5606 * configure: Rebuild.
5608 Mon Nov 22 23:09:44 1999 David O'Brien <obrien@FreeBSD.org>
5610 * config/freebsd.h: New, FreeBSD architecture independent file.
5611 * config/i386/freebsd-elf.h: removed FreeBSD architecturally
5613 * config/i386/freebsd.h: include i386/perform.h via tm.h rather than
5614 directly by i386/freebsd.h.
5615 * configure.in (*-*-freebsdelf): Include new FreeBSD architecturally
5616 independent configuration file.
5617 (*-*-freebsdelf): Include i386/perform.h via tm.h rather than
5618 directly by i386/freebsd.h.
5619 * configure: Rebuilt.
5621 * xm-i386.h: Define `__i386__' if not defined, rather than `i386'
5622 which is in the user's namespace.
5623 * libgcc2.c: Look for the ANSI-C approved `__i386__' symbol, vs.
5624 `i386' which is not in our namespace.
5626 Mon Nov 22 22:58:01 1999 "R. Kelley Cook" <KelleyCook@attglobal.net>
5628 * invoke.texi (ARM Options): Add in -mno-alignment-traps
5630 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
5632 * dwarf2out.c (die_struct): Remove die_attr_last and die_child_last.
5633 (add_dwarf_attr, add_child_die): Just push onto the front.
5634 (reverse_die_lists): New fn.
5635 (add_sibling_attributes): Use it.
5636 (push_decl_scope): Reorganize.
5637 (add_name_and_src_coords_attributes): Don't set file and line for
5639 (gen_subprogram_die): An artificial function doesn't need to match
5641 (gen_compile_unit_die): Return the generated die. Only add
5642 AT_comp_dir if the filename is relative.
5643 (remove_AT): Simplify loop. Also free string values.
5644 (output_die): A DIE ref can't be null.
5645 (output_value_format, value_format): Take a dw_attr_ref.
5646 (dwarf_last_decl, is_extern_subr_die, sibling_offset): Remove.
5647 (AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
5648 AT_addr, AT_lbl): New fns.
5649 (various): Use them.
5650 (various): Constify.
5652 Mon Nov 22 23:53:50 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
5654 * combine.c (combine_simplify_rtx): When handling a SUBREG,
5655 take SUBREG_WORD into account.
5656 (if_then_else_cond): Likewise.
5658 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
5660 * gmon.c, i386/gmon-sol2.c, sparc/gmon-sol2.c: Remove advertising
5661 clause from BSD license, pursuant with
5663 ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change
5665 1999-11-22 Bernd Schmidt <bernds@cygnus.co.uk>
5667 * loop.c (load_mems): Reformat slightly.
5668 * basic-block.h (regset_head): New typedef.
5669 (INIT_REG_SET): New macro.
5671 1999-11-22 Bruce Korb <autogen@linuxbox.com
5673 * fixinc/mkfisinc.sh(i?86-*-linux): disable script, run fixincl exe
5674 (mips-dec-bsd*): non-functional code
5675 (alpha*-*-linux-gnu*): redundant, duplicated by "*-*-linux-gnu*"
5677 * fixinc/inclhack.def(AAB_fd_zero_glibc_*):
5678 added three replacement fixes
5679 (no_double_slash): removed comments that are not (any longer) pertinent
5680 (bad_lval): this fix currently runs against many files.
5681 The comment seems to indicate that we should select for files
5682 containing 'pragma extern_prefix'.
5684 * fixinc/fixinc.x86-linux-gnu: deleted
5685 * fixinc/inclhack.sh: regen
5686 * fixinc/fixincl.x: regen
5687 * fixinc/fixincl.sh: regen
5689 Fri Nov 12 14:08:40 1999 Andrew Haley <aph@cygnus.com>
5691 * emit-rtl.c (gen_sequence): Only return the pattern of an insn if
5692 its code is INSN and it has no notes.
5694 1999-11-22 Andrew Haley <aph@cygnus.com>
5696 * varasm.c (function_defined): Remove.
5697 (make_function_rtl): Don't set function_defined.
5698 (make_decl_rtl): Remove global register warning.
5699 * regclass.c (no_global_reg_vars): New variable.
5700 (globalize_reg): Warn if function has already been defined.
5701 (regclass_init): Set no_global_reg_vars.
5703 Mon Nov 22 14:42:22 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
5705 * regclass.c (reg_pref): New structure and static variable
5706 (prefclass): Delete.
5708 (all uses of prefclass and altclass): Use reg_pref instead.
5710 1999-11-21 Nick Clifton <nickc@cygnus.com>
5712 * invoke.texi (ARM Options): Replace -mshort-load-bytes with
5714 (arm.h): Replace -mshort-load-bytes with -malignment-traps.
5715 (arm.c): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
5716 (arm.md): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
5718 Sun Nov 21 17:11:13 1999 Geoffrey Keating <geoffk@cygnus.com>
5720 * varasm.c (output_constructor): Solve problem with long long
5721 bitfields, even on BYTES_BIG_ENDIAN machines (testcase 991118-1).
5723 Fri Nov 19 05:48:45 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
5725 * global.c (allocno): New structure and static variable.
5726 (allocno_reg): Remove, all references replaced by allocno.
5727 (allocno_size): Likewise.
5728 (hard_reg_conflicts): Likewise.
5729 (hard_reg_preferences): Likewise.
5730 (hard_reg_copy_preferences): Likewise.
5731 (hard_reg_full_preferences): Likewise.
5732 (regs_someone_prefers): Likewise.
5733 (allocno_calls_crossed): Likewise.
5734 (allocno_n_refs): Likewise.
5735 (allocno_live_length): Likewise.
5736 (find_reg): Rename ALLOCNO to NUM.
5738 * regclass.c (may_move_in_cost): Rename from may_move_cost, all
5740 (may_move_out_cost): New variable.
5741 (init_reg_sets_1): Initialize may_move_out_cost.
5742 (record_reg_classes): Use may_move_out_cost.
5744 * regclass.c (dump_regclass): New function.
5745 (regclass): New parameter DUMP, call DUMP_REGCLASS.
5746 * toplev.c (rest_of_compilation): Open lreg dump file before regclass,
5747 pass rtl_dump_file to regclass.
5748 * rtl.h (regclass): Update prototype.
5750 Fri Nov 19 06:32:19 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
5752 * i386.md (neg, not and abs patterns): Revmap to use
5753 ix86_expand_unary_operator and ix86_unary_operator_ok.
5754 (add?f and sub?f expanders): Force operand 1 to register.
5755 * i386.c (ix86_expand_unary_operator): Rewrite.
5756 (ix86_unary_operator_ok): Ensure that memory operands
5758 (ix86_binary_operator_ok): Do not allow operand 1 to
5759 come into memory and operand 0 not.
5760 (ix86_expand_binary_operator): Ensure that
5761 src1 is not non-matching memory.
5763 * i386.md (negs?2): Rewrite to expanders, new patterns and splitters
5764 to support integer registers and memory.
5765 (abss?2_integer): Likewise.
5767 * i386.h (enum reg_class): Add FLOAT_INT_REGS.
5768 (REG_CLASS_NAMES): Likewise.
5769 (REG_CLASS_CONTENTS): Define FLOAT_INT_REGS as union of FLOAT_REGS
5771 * i386.md (pushsf): Do not preferre FLOAT_REGS over GENERAL_REGS.
5772 (movsf): Likewise; unify 4th and 5th alternative.
5774 (movdf_1): Likewise; rename to movdf_integer.
5775 (pushxf): Likewise; rename to pushxf_integer; fix output template;
5776 remove redundant splitter.
5777 (movxf_1): Likewise; rename to movxf_integer; fix splitter's condition.
5778 (movdf_nointeger): New.
5779 (movxf_nointeger): New.
5780 (pushxf_nointeger): New.
5782 * i386.md (extend?f?f): Split to expander and pattern, refuse two
5783 memory operands in patterns.
5784 (fop*): Refuse two memory operands.
5786 * i386.md (ashrsi3_31): Allow cltd when optimizing for size even
5787 on !TARGET_USE_CLTD CPUs.
5789 Fri Nov 19 10:41:15 GMT 1999 Nathan Sidwell <nathan@acm.org>
5791 * extend.texi: Document C++ restricted pointers and references.
5793 1999-11-19 Bernd Schmidt <bernds@cygnus.co.uk>
5795 * cse.c (addr_affects_sp): No longer conditional on AUTO_INC_DEC.
5796 (invalidate_skipped_set): Call it unconditionally.
5797 (cse_set_around_loop): Likewise.
5799 Thu Nov 18 17:29:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
5801 * rtl.texi (mem): Add documentation for alias-set argument
5804 Fri Nov 18 13:39:22 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
5806 * i386.h (struct_processor_costs): New fields int_load, int_store,
5807 fp_move, fp_load and fp_store
5808 (REGISTER_MOVE_COST): Fix comment, calculate exactly the cost of
5810 (MEMORY_MOVE_COST): New macro.
5811 * i386.c (386_cost): Define new fields.
5812 (i486_cost): Likewise.
5813 (pentium_cost): Likewise.
5814 (pentiumpro_cost): Likewise.
5815 (k6_cost): Likewise.
5817 Fri Nov 19 11:11:55 1999 Greg McGary <gkm@gnu.org>
5818 Geoffrey Keating <geoffk@cygnus.com>
5820 * config/m68k/m68kelf.h: Suppress '/* within comment' warning.
5822 * config/m68k/m68k.h (MASK_PCREL): Don't use same value as
5825 * config/m68k/m68k.h (MASK_NO_STRICT_ALIGNMENT): New macro.
5826 (TARGET_STRICT_ALIGNMENT): New macro.
5827 (TARGET_SWITCHES): Add "strict-align" and "no-strict-align".
5828 (STRICT_ALIGNMENT): Depend on TARGET_STRICT_ALIGNMENT.
5829 * invoke.texi (M680x0 Options): Document -mstrict-align.
5831 Thu Nov 18 11:10:03 1999 Jan Hubicka <hubicka@freesoft.cz>
5832 Richard Henderson <rth@cygnus.com>
5834 * i386-protos.h (split_xf, ix86_split_movdi): Remove.
5835 (ix86_split_long_move): Declare.
5836 * i386.c (split_xf, ix86_split_movdi): Remove.
5837 (ix86_split_to_parts, ix86_split_long_move): New.
5838 * i386.md (dimode move splitters): Use ix86_split_long_move.
5839 (dfmode move splitters): Likewise.
5840 (xfmode move splitters): Likewise.
5841 (movsf_1): Allow F->r.
5842 (movdf_1, movxf_1): Allow F->ro.
5844 1999-11-17 Mark Mitchell <mark@codesourcery.com>
5846 * except.h (struct eh_entry): Add goto_entry_p.
5847 (eh_region_from_symbol): Remove prototype.
5848 * except.c (find_func_region_from_symbol): New function.
5849 (emit_cleanup_handler): Likewise.
5850 (eh_region_from_symbol): Make it static.
5851 (add_new_handler): Verify the argument.
5852 (find_func_region): Update comment.
5853 (expand_eh_region_end): Expand handlers here, rater than waiting
5854 until expand_leftover_cleanups or start_all_catch.
5855 (expand_leftover_cleanups): Don't expand here.
5856 (expand_start_all_catch): Or here.
5857 (expand_rethrow): Check the return value from find_func_region.
5858 * function.c (expand_function_end): Emit the catch_clauses.
5860 1999-11-18 Gavin Romig-Koch <gavin@cygnus.com>
5862 * integrate.c (expand_inline_function): Add necessary check for NULL.
5864 1999-11-18 Nick Clifton <nickc@cygnus.com>
5866 * toplev.c (main): Correctly detect an unrecognised option.
5868 * cppinit.c (cpp_handle_option): Do not claim to have consumed
5869 a -f option if it has not been recognised.
5871 Thu Nov 18 00:59:11 1999 Michael Gschwind <mikeg@alagoas.watson.ibm.com>
5873 * basic-block.h (update_life_extent): Remove trailing comma on
5874 enumeration type list.
5876 1999-11-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5878 * varasm.c (output_constructor) Solved problem with long long
5879 bitfields. Corrected calculating this_time and shift. Also
5880 corrected calculating mask when BITS_PER_UNIT == 32 (c4x).
5882 Wed Nov 17 23:46:14 1999 Jeffrey A Law (law@cygnus.com)
5884 * flow.c (split_edge): Take looping structure into account when
5885 determining where to put the new block note.
5887 Wed Nov 17 20:42:43 1999 Jeff Holcomb <jeffh@cygnus.com>
5889 * Makefile.in (ggc-none.o): Provide host specific version if
5892 Wed Nov 17 16:51:23 1999 Richard Henderson <rth@cygnus.com>
5894 * cse.c (delete_trivially_dead_insns): Identify no-op insns
5895 containing subregs too.
5897 Wed Nov 17 17:39:48 MST 1999 Diego Novillo <dnovillo@cygnus.com>
5899 * invoke.texi: Add documentation for -muninit-const-in-rodata.
5900 * config/mips/mips.h (MASK_UNINIT_CONST_IN_RODATA): Define.
5901 (TARGET_UNINIT_CONST_IN_RODATA): Define.
5902 (text_section): Add switches -munint-const-in-rodata and
5903 -mno-uninit-const-in-rodata.
5904 (ASM_OUTPUT_COMMON): Remove.
5905 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Define. Check if uninitialized
5906 const objects should be placed in read-only data. Otherwise declare
5909 Wed Nov 17 16:38:32 1999 Richard Henderson <rth@cygnus.com>
5911 * jump.c (jump_optimize_1): Revert last change.
5913 Wed Nov 17 15:18:30 1999 Richard Henderson <rth@cygnus.com>
5915 * jump.c (jump_optimize_1): Don't try to duplicate the loop exit
5916 test if optimizing for size.
5918 1999-11-17 Mark Mitchell <mark@codesourcery.com>
5920 * Makefile.in (toplev.o): Depend on except.h.
5921 (dwarf2out.o,loop.o,flow.o,haifa-sched.o): Likewise.
5923 Mon Nov 15 22:45:39 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
5925 * i386.md (divmodsi4): Rewrite to expander.
5926 (*divmodsi4_nocltd): New.
5927 (*divmodsi4_cltd): New.
5928 (divmodsi4 splitter): Handle the case when input comes in edx.
5929 (udivmodhi4): Do not use constraints in exander.
5930 (ashrsi3_31): Conditionize by TARGET_USE_CLTD.
5932 1999-11-17 Jason Merrill <jason@yorick.cygnus.com>
5934 * dwarf2out.c (push_decl_scope): Still use decl_scope_depth - 1
5935 for the common case.
5937 1999-11-16 Jakub Jelinek <jakub@redhat.com>
5939 * explow.c (hard_function_value): Add outgoing argument.
5940 * expr.h (hard_function_value): Declare it.
5941 * calls.c (expand_call, emit_library_call_value): Update callers.
5942 * function.c (aggregate_value_p): Ditto.
5943 (diddle_return_value): Must look at the outgoing registers
5944 on archs with register windows.
5946 Mon Nov 15 20:46:45 1999 Richard Henderson <rth@cygnus.com>
5948 * alpha.c (alpha_build_va_list): Use make_lang_type and
5949 initialize TYPE_NAME for the va_list record.
5951 * flow.c (calculate_global_regs_live): Zero bb->aux to begin.
5953 * ggc-common.c (ggc_print_statistics): Cast size_t to unsigned long
5955 * ggc.h (struct ggc_statistics): Rearrange elements for better
5956 packing on 64-bit hosts.
5957 * lcm.c (compute_laterin): Store a size_t not an int in bb->aux.
5958 (compute_nearerout): Likewise.
5960 Tue Nov 16 14:37:52 1999 Geoffrey Keating <geoffk@cygnus.com>
5962 * config/rs6000/rs6000.c (first_reg_to_save): Save
5963 PIC_OFFSET_TABLE_REGNUM when -fpic even though it is fixed.
5965 1999-11-15 Jason Merrill <jason@casey.cygnus.com>
5967 * dwarf2out.c (scope_die_for): Don't rely on the decl_scope_table
5968 notion of nesting to find the DIE for a type or function.
5969 DIEs can go in limbo even if we got a context_die.
5970 (push_decl_scope): Our context doesn't need to be in decl_scope_table.
5971 (gen_struct_or_union_type_die): Don't use TREE_PERMANENT to test
5973 (gen_decl_die): Ignore NAMESPACE_DECLs for now.
5974 (gen_type_die): Writing out the context doesn't cause member class
5975 template instantiations to be written out as well.
5977 Mon Nov 15 15:33:18 1999 Richard Henderson <rth@cygnus.com>
5979 * rs6000.h (ASM_OUTPUT_DEF): New.
5980 Based on proposed addition from David Edelsohn.
5982 1999-11-15 Robert Lipe <RobertLipe@usa.net>
5983 Bruce Korb <autogen@linuxbox.com>
5985 * fixinc/inclhack.def
5986 (AAB_svr4_replace_byteorder): added. Takes advantage of GCC features
5987 (unixware7_byteorder_fix): added. Removes conflicts for new defs
5989 (svr5_mach_defines): added. Like svr4_mach_defines, with new syntax
5990 (svr4_endian): enabled with SVR5
5991 (svr4_mkdev): simplified syntax and enabled with SVR5
5993 Sun Nov 14 18:49:37 1999 David O'Brien <obrien@FreeBSD.org>
5995 * configure.in: Handle libgcc2 threads support on FreeBSD platforms.
5996 * configure: Rebuilt.
5997 * config/t-freebsd-thread: New file.
5999 Sun Nov 14 23:11:05 1999 Jeffrey A Law (law@cygnus.com)
6001 * i386.c (ix86_decompose_address): Verify the base is a REG
6002 before trying to examine its register number.
6004 * basic-block.h: Remove all #defines and prototypes related to
6006 (free_bb_mem, compute_preds_succs): Remove prototype.
6007 * rtl.h (free_bb_mem): Remove prototype.
6008 * flow.c (alloc_int_list_node); Remove function.
6009 (add_inst_list_node, free_int_list, add_pred_succ): Likewise.
6010 (compute_preds_succs, free_bb_mem): Likewise.
6011 * gcse.c (gcse_main): Do not call free_bb_mem anymore.
6012 * toplev.c (rest_of_compilation): Likewise.
6013 * haifa-sched.c (build_control_flow): Use flow generated edge
6014 list to build the haifa specific edge list.
6015 (find_rgns): Use new CFG data structures instead of pred/succ lists.
6016 (schedule_insns): Do not build pred/succ lists anymore. Instead
6017 build the edge table.
6019 * basic-block.h (dump_bb_data): Remove declaration.
6020 * flow.c (dump_bb_data): Remove function.
6021 * sbitmap.c (sbitmap_intersect_of_predsucc): Delete function.
6022 (sbitmap_union_of_predsucc): Likewise.
6024 * gcse.c (delete_null_pointer_checks_1): Kill unused s_preds
6025 argument. All callers changed.
6026 (delete_null_pointer_checks_1): No longer need to compute the
6029 * gcse.c (pre_expr_reaches_here_p): Kill CHECK_PRE_COM argument.
6030 All callers changed.
6031 (pre_expr_reaches_here_p_work): Likewise.
6032 (pre_edge_insert): No longer call pre_expr_reaches_here_p.
6033 * lcm.c (compute_laterin): Fix initialization of LATER.
6034 (compute_nearerout): Similarly for NEARER.
6036 Sun Nov 14 12:41:57 1999 Bernd Schmidt <bernds@cygnus.co.uk>
6038 * cse.c (set_nonvarying_address_components): Delete unused function.
6039 (refers_to_p): Likewise.
6041 Fri Nov 12 20:53:22 1999 Jeffrey A Law (law@cygnus.com)
6043 * function.c (diddle_return_value): Set REG_FUNCTION_VALUE_P as
6046 Sat Nov 13 16:20:09 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6048 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Wrap macro
6049 definition in do while (0).
6051 Fri Nov 12 16:26:25 1999 Jim Wilson <wilson@cygnus.com>
6053 * stmt.c (pushcase, pushcase_range): Partially revert Oct 28 change.
6055 Fri Nov 12 12:43:49 1999 Richard Henderson <rth@cygnus.com>
6057 * unroll.c (unroll_loop): Make temp an unsigned HOST_WIDE_INT.
6059 Fri Nov 12 15:14:19 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
6061 * i960.h (CAN_DEBUG_WITHOUT_FP): Don't define it.
6062 (FRAME_POINTER_REQUIRED): Don't worry about nonlocal goto.
6063 (ELIMINABLE_REGS, CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): New.
6064 (INITIAL_FRAME_POINTER_OFFSET): Remove it.
6066 * i960.c (i960_function_prologue): Don't allocate space for g8-g11
6067 saved on the stack. Output more accurate stack frame statistics
6068 into assembler file.
6070 1999-11-12 11:47 -0800 Zack Weinberg <zack@bitmover.com>
6072 * genextract.c (record_insn_name): New function.
6073 (get_insn_name): No longer a stub.
6074 (main): Call record_insn_name for each insn. After each label
6075 written, print the insn name in a comment.
6077 Fri Nov 12 13:45:02 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6079 * output.h (const_section, init_section, fini_section): Add
6082 * alpha/elf.h (const_section): Delete declaration.
6084 * svr4.h (const_section): Likewise.
6086 Fri Nov 12 08:54:22 1999 Mark Mitchell <mark@codesourcery.com>
6088 * tree.h (SAVE_EXPR_PERSISTENT_P): New macro.
6089 * tree.c (array_type_nelts): Don't handle SAVE_EXPRs specially.
6090 (unsave_expr_now): Don't unsave SAVE_EXPR_PERSISTENT_P
6092 * stor-layout.c (variable_size): Set SAVE_EXPR_PERSISTENT_P on
6093 variable-sized array bounds.
6095 Fri Nov 12 08:04:45 1999 Catherine Moore <clm@cygnus.com>
6097 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Use
6100 Fri Nov 12 13:31:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
6102 * config/arm/arm.h (LEGITIMIZE_RELOAD_ADDRESS): Treat QImode
6103 addresses the same way GO_IF_LEGITIMATE_INDEX does.
6105 Fri Nov 12 12:36:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
6107 * cse.c (hash_arg_in_struct): Delete.
6108 (struct table_elt): Delete elt in_struct.
6109 (struct set): Delete elt src_in_struct.
6110 (merge_equiv_classes): Don't set either hash_arg_in_struct or
6111 the corresponding in_struct elts.
6112 (canon_hash): Likewise.
6113 (safe_hash): Likewise.
6114 (find_best_addr): Likewise.
6115 (record_jump_cond): Likewise.
6116 (cse_insn): Likewise.
6118 Thu Nov 11 19:45:24 1999 Jim Wilson <wilson@cygnus.com>
6120 * loop.c (invariant_p, case MEM): Put MEM_VOLATILE_P check back.
6122 * dbxout.c (dbxout_type, case INTEGER_TYPE): Handle too large
6125 Thu Nov 11 18:54:24 1999 Jeffrey A Law (law@cygnus.com)
6127 * function.c (diddle_return_value): Put back check that the DECL_RTL
6128 for the function is a register.
6130 * function.c (diddle_return_value): Use hard_function_value to
6131 get an rtx suitable for use in the USE/CLOBBER insn.
6133 * global.c (global_conflicts): Update comments.
6134 (record_conflicts): No need to record conflicts between pseudos here.
6136 1999-11-11 Bruce Korb <autogen@linuxbox.com>
6138 * fixinc/fixincl.c: Added verbose levels for status messages
6140 Thu Nov 11 13:23:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
6142 * jump.c (jump_optimize_1): Avoid passing an rtx that is not an
6143 operand as argument to expand_and or expand_binop.
6145 Thu Nov 11 02:21:16 1999 Rodney Brown <RodneyBrown@pmsc.com>
6147 * xcoffout.c (xcoffout_source_file): Change ggc_add_root to
6148 gcc_add_string_root.
6150 Wed Nov 10 21:24:19 1999 Jason Eckhardt <jle@cygnus.com>
6152 * config/pa/pa.h (MASK_RETURN_ADDR): Change 0xfffffffc to -4.
6154 Wed Nov 10 15:56:16 1999 Jeffrey A Law (law@cygnus.com)
6156 * flow.c (compute_flow_dominators): Initially put all blocks on
6158 * lcm.c (compute_antinout_edge, compute_available): Similarly.
6159 * gcse.c (compute_cprop_avinout): Remove.
6160 (compute_cprop_data): Use compute_available.
6161 (delete_null_pointer_checks_1): Use compute_available.
6163 * basic-block.h (compute_available): Returns a void now.
6164 * gcse.c (one_classic_gcse_pass): Do not expect compute_available
6165 to return a value anymore.
6166 * lcm.c (compute_available, compute_antinout_edge): Revamp to use
6167 worklists. Fix boundary cases. Compute maximal solutions.
6168 (compute_laterin, compute_nearerout): Similarly.
6170 * dwarf2out.c (add_AT_location_description): Allow
6171 (mem (plus (pseudo) (...)) too.
6173 Wed Nov 10 10:52:42 1999 Tom Tromey <tromey@cygnus.com>
6175 * gcc.c (do_spec_1): Support text between `%u' and `%O'.
6177 Wed Nov 10 12:43:21 1999 Philippe De Muyter <phdm@macqel.be>
6178 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6180 * cppinit.c: Test `GCC_VERSION', not `HAVE_GCC_VERSION'.
6182 * gansidecl.h: Likewise.
6188 * toplev.h: Likewise.
6194 * varray.c: Likewise.
6196 * varray.h: Likewise.
6198 Wed Nov 10 10:57:22 1999 Clinton Popetz <cpopetz@cygnus.com>
6200 * gcov.c (struct arcdata): Add hits and total, remove prob.
6201 (output_branch_counts): New.
6202 (process_args): Set output_branch_counts if -c.
6203 (calculate_branch_probs): Store hits and total instead of
6205 (output_data): Emit counts if output_branch_counts is true.
6206 * gcov.texi (Invoking Gcov): Document -c switch..
6208 Wed Nov 10 01:10:41 1999 Philippe De Muyter <phdm@macqel.be>
6210 * genoutput.c (output_insn_data): Cast `INSN_OUTPUT_FORMAT_MULTI' and
6211 `INSN_OUTPUT_FORMAT_FUNCTION' to `PTR'-type.
6213 Wed Nov 10 00:51:41 1999 Hans-Peter Nilsson <hp@axis.se>
6215 * invoke.texi (C Dialect Options): Add missing builtins from
6217 * extend.texi (Other Builtins): Copy to this list.
6219 Wed Nov 10 04:58:09 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6221 * Makefile.in (recog.o): Use BASIC_BLOCK_H macro.
6222 (print-rtl.o, $(HOST_PREFIX_1)print-rtl.o): Likewise. Remove
6225 Wed Nov 10 00:02:53 1999 Jeffrey A Law (law@cygnus.com)
6227 * flow.c (compute_flow_dominators): No longer treat basic block 0
6228 or (n_basic_blocks - 1) specially. Clear the AUX field before
6229 starting computation of doms/pdoms. Fix initial state for pdoms.
6231 Wed Nov 10 03:58:08 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6233 * Makefile.in ($(HOST_PREFIX_1)rtl.o): Update dependencies to
6234 match rtl.o's: added ggc.h and toplev.h
6235 ($(HOST_PREFIX_1)print-rtl.o): Likewise: added system.h.
6236 ($(HOST_PREFIX_1)rtlanal.o): Likewise: added system.h.
6237 ($(HOST_PREFIX_1)obstack.o): Likewise: added $(CONFIG_H).
6239 Tue Nov 9 10:30:08 1999 Tom Tromey <tromey@cygnus.com>
6241 * config/i386/xm-djgpp.h (HAVE_DOS_BASED_FILE_SYSTEM): Renamed
6242 from HAVE_DOS_BASED_FILESYSTEM.
6243 * gcc.c (find_a_file): Use HAVE_DOS_BASED_FILE_SYSTEM, not
6244 HAVE_DOS_BASED_FILESYSTEM.
6246 (split_directories): Only special-case DOS file names if
6247 HAVE_DOS_BASED_FILE_SYSTEM is defined. Use IS_DIR_SEPARATOR
6248 instead of explicit tests. Conditionalize on !VMS.
6249 (make_relative_prefix): Use IS_DIR_SEPARATOR instead of explicit
6250 tests. Conditionalize on !VMS.
6251 (process_command): Only use make_relative_prefix if !VMS.
6252 (free_split_directories): Conditionalize on !VMS.
6253 (DIR_UP): Conditionalize on !VMS.
6255 Wed Jun 9 16:57:11 1999 Mumit Khan <khan@xraylith.wisc.edu>
6257 * gcc.c (STANDARD_BINDIR_PREFIX): Provide default.
6259 Fri Feb 5 14:22:01 1999 Mumit Khan <khan@xraylith.wisc.edu>
6261 * gcc.c (make_relative_prefix): Handle the HAVE_EXECUTABLE_SUFFIX
6264 Mon Nov 8 14:16:57 1999 Michael Meissner <meissner@cygnus.com>
6266 * invoke.texi (Environment Variables): Document relative path
6268 * gcc.c (DIR_UP): If not defined, define as "..".
6269 (standard_bindir_prefix): New static, holds target location to
6271 (split_directories): New function to split a filename into
6272 component directories.
6273 (free_split_directories): New function, release memory allocated
6274 by split_directories.
6275 (make_relative_prefix): New function, make a relative pathname if
6276 the compiler is not in the expected location.
6277 (process_command): If GCC_EXEC_PREFIX was not specified, see if we
6278 can figure out an appropriate prefix from argv[0].
6279 * Makefile.in (DRIVER_DEFINES): Use unlibsubdir in definition of
6280 STANDARD_STARTFILE_PREFIX and TOOLDIR_BASE_PREFIX. Define
6281 STANDARD_BINDIR_PREFIX.
6283 Wed Nov 10 11:47:54 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6285 * config/c4x/c4x-protos.h: New file. Prototypes for functions defined
6287 * config/c4x/c4x.h: Moved prototypes to c4x.h.
6288 * config/c4x/c4x.c (c4x_preferred_reload_class, c4x_limit_reload_class,
6289 c4x_secondary_memory_needed) Delete.
6290 (fp_zero_operand): Add mode argument.
6292 Thu Nov 4 15:52:35 1999 Andrew Haley <aph@cygnus.com>
6294 * reload1.c (reload_reg_free_for_value_p): Don't use a register
6295 that is in reload_reg_used.
6297 Tue Nov 9 16:43:00 1999 Nick Clifton <nickc@cygnus.com>
6299 * config/arm/arm-protos.h: New file: Prototypes for functions
6300 defined in arm.c and pe.c.
6301 * config/arm/arm.h: Fix compile time warnings.
6302 * config/arm/arm.c: Fix compile time warnings.
6303 * config/arm/pe.h: Fix compile time warnings.
6304 * config/arm/aout.h: Fix compile time warnings.
6306 Tue Nov 9 14:55:44 1999 Nick Clifton <nickc@cygnus.com>
6308 * config/m32r/m32r-protos.h: New file: Prototypes for functions
6311 * config/m32r/m32r.h: Move prototypes to m32r-protos.h
6312 Add support for subtargets.
6313 Add prototypes for new predicates.
6314 Add scheduling macros.
6316 * config/m32r/m32r.c: Fix compile time warnings.
6317 (int8_operand): New predicate function.
6318 (reg_or_cmp_int16_operand): New predicate function.
6319 (extend_operand): New predicate function.
6320 (m32r_adjust_code): New scheduling function.
6321 (m32r_adjust_priorty): New scheduling function.
6322 (m32r_sched_init): New scheduling function.
6323 (m32r_sched_reorder): New scheduling function.
6324 (m32r_sched_variable_issue): New scheduling function.
6325 (direct_return): New codegen function.
6326 (m32r_not_same_reg): New rtl testsing function.
6328 * config/m32r/m32r.md: Fix compile time warnings.
6329 Add support for pre decrement and post increment memory
6334 Mon Nov 8 22:20:13 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
6336 * global.c (EXECUTE_IF_CONFLICT): Don't define.
6337 (prune_preferences): Use EXECUTE_IF_SET_IN_ALLOCNO_SET instead.
6338 (find_reg): Likewise.
6340 Mon Nov 8 13:16:46 1999 Jason Eckhardt <jle@cygnus.com>
6342 * config/pa/pa.md (fmpynfadd,{sgl,dbl} insns): Use %fr0 rather than 0
6343 to avoid assembler errors.
6345 Mon Nov 8 15:38:41 1999 Nick Clifton <nickc@cygnus.com>
6347 * config/v850/v850-protos.h: New file: Prototypes for functions
6349 * config/v850/v850.h: Move prototypes to v850-protos.h
6350 * config/v850/v850.c: Move prototypes to v850-protos.h
6351 * config/v850/v850.md: Fix compile time warnings.
6353 * config/fr30/fr30-protos.h: New file: Prototypes for functions
6355 * config/fr30/fr30.h: Move prototypes to fr30-protos.h
6356 * config/fr30/fr30.c: Fix compile time warnings.
6357 * config/fr30/fr30.md: Fix compile time warnings.
6359 Mon Nov 8 07:25:37 1999 Mark Mitchell <mark@codesourcery.com>
6361 * tree.h (get_containing_scope): Declare it.
6362 * tree.c (get_containing_scope): New fucntion.
6363 (decl_function_context): Use it.
6364 * toplev.c (rest_of_compilation): Use get_containing_scope.
6366 aMon Nov 8 03:03:07 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6368 * Makefile.in (rtl.o): Depend on toplev.h.
6370 Sun Nov 7 20:55:14 1999 Mark Mitchell <mark@codesourcery.com>
6372 * cse.c (delete_trivially_dead_insns): Replace alloca with
6374 * except.c (update_rethrow_references): Likewise.
6375 (init_eh_nesting_info): Likewise.
6376 * function.c (identify_blocks): Likewise.
6377 * gcse.c (dump_hash_table): Likewise.
6378 * graph.c (print_rtl_graph_with_bb): Likewise.
6379 * loop.c (combine_movables): Likewise.
6380 (move_movables): Likewise.
6381 (count_loop_regs_set): Likewise.
6382 (strength_reduce): Likewise.
6383 * profile.c (compute_branch_probabilities): New function, split
6385 (branch_prob): Here. Replace alloca with xmalloc/xcalloc.
6386 * regclass.c (regclass): Likewise.
6387 * regmove.c (regmove_optimize): Likewise.
6388 * toplev.c (compile_file): Likewise.
6389 (main): Don't mess with the stack rlimit.
6391 Sun Nov 7 19:41:17 1999 Catherine Moore <clm@cygnus.com>
6393 * config/elfos.h (ASM_DECLARE_FUNCTION_NAME): Conditionally define.
6394 (ASM_DECLARE_FUNCTION_SIZE): Conditionally define.
6396 Sun Nov 7 10:23:28 1999 Mark P. Mitchell <mark@codesourcery.com>
6398 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns.
6400 Sun Nov 7 02:58:48 1999 Jeffrey A Law (law@cygnus.com)
6402 * global.c (EXECUTE_IF_CONFLICT): Undo Robert's change.
6403 (EXECUTE_IF_SET_IN_ALLOCNO_SET): Put curleys around CODE in
6406 Sat Nov 6 23:48:30 1999 Robert Lipe (robertlipe@usa.net)
6408 * global.c (EXECUTE_IF_CONFLICT): Correct quoting typo.
6410 Sat Nov 6 17:34:39 1999 Jeffrey A Law (law@cygnus.com)
6412 * gcse.c (post_dominators): Kill.
6413 (alloc_code_hoist_mem, free_code_hoist_mem); Kill post_dominators.
6414 (compute_code_hoist_data): Use compute_flow_dominators. Do not
6415 pass in a pdom array since we do not need pdoms.
6416 * haifa-sched.c (schedule_insns): Similarly.
6417 * flow.c (compute_dominators): Remove dead function.
6418 (compute_flow_dominators): Do not compute doms or pdoms if the
6419 caller does not request them. Split up loop to build doms and
6420 pdoms. Use a worklist to compute doms and pdoms.
6421 * basic-block.h (compute_dominators): Remove prototype.
6423 Sat Nov 6 11:38:39 1999 Richard Henderson <rth@cygnus.com>
6425 * haifa-sched.c (struct haifa_insn_data, h_i_d): New.
6426 (insn_luid, insn_priority, insn_costs, insn_units): Remove.
6427 (insn_reg_weight, insn_depend, insn_dep_count): Remove.
6428 (insn_blockage, insn_ref_count, line_note, insn_tick): Remove.
6429 (cant_move, fed_by_spec_load, is_load_insn): Remove.
6430 (schedule_region): Remove unused variable.
6431 (schedule_insns): Allocate h_i_d, and not all the separate arrays.
6433 Sat Nov 6 10:00:34 1999 Mark Mitchell <mark@codesourcery.com>
6435 * local-alloc.c (local_alloc): Use xmalloc/xcalloc, not alloca.
6436 (update_equiv_regs): Likewise.
6437 (block_alloc): Likewise.
6438 * reg-stack.c (reg_to_stack): Likewise.
6439 (convert_regs_2): Likewise.
6440 * reload1.c (reload_as_needed): Likewise.
6442 Sat Nov 6 09:57:59 1999 Mark Mitchell <mark@codesourcery.com>
6444 * Makefile.in (dbxout.o): Depend on ggc.h.
6445 (dwarf2out.o): Likewise.
6446 (xcoffout.o): Likewise.
6447 * dbxout.c: Include ggc.h.
6448 (dbxout_init): Register lastfile as a root.
6449 * dwarf2out.c: Include ggc.h.
6450 (dwarf2out_line): Register lastfile as a root.
6451 * xcoffout.c: Include ggc.h.
6452 (xcoffout_source_line): Register xcoff_lastfile as a root.
6454 Sat Nov 6 09:52:09 1999 Richard Henderson <rth@cygnus.com>
6456 * i386.md (movdf_1, movxf_1): Earlyclobber general regs destination.
6458 Sat Nov 6 07:48:59 1999 Catherine Moore <clm@cygnus.com>
6460 * config/svr4.h (ASM_DECLARE_FUNCTION): Check if already
6462 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
6464 Fri Nov 5 18:33:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
6466 * global.c (EXECUTE_IF_SET_IN_ALLOCNO_SET): New macro.
6467 (EXECUTE_IF_CONFLICT): Likewise.
6468 (ALLOCNO_LIVE_P): Avoid signed division.
6469 (SET_ALLOCNO_LIVE, CLEAR_ALLOCNO_LIVE): Likewise.
6470 (prune_preferences, find_reg): Use EXECUTE_IF_CONFLICT.
6471 (record_one_conflict): Use EXECUTE_IF_SET_IN_ALLOCNO_SET.
6473 Fri Nov 5 12:04:02 1999 Richard Henderson <rth@cygnus.com>
6475 * haifa-sched.c (schedule_block): Don't crash if there's no
6476 next insn for an interblock movement.
6477 (add_branch_dependences): Don't allow clobber insns to move either.
6479 Fri Nov 5 10:18:11 1999 Richard Henderson <rth@cygnus.com>
6481 * i386.c (split_xf): New.
6482 * i386-protos.h: Declare it.
6483 * i386.md (movxf_1): Add general regs alternatives.
6484 (movxf_1+1): New splitter for same.
6486 Fri Nov 5 12:05:52 1999 Nick Clifton <nickc@cygnus.com>
6488 * function.c (purge_addressof_1): Add missing return values.
6490 Fri Nov 5 10:07:25 1999 Nick Clifton <nickc@cygnus.com>
6492 * function.c (is_addressof): New function. Returns true if
6493 the given piece of RTL is an ADDRESSOF.
6494 (purge_addressof_1): Make boolean. Return false if the
6495 ADDRESSOFs could not be purged.
6496 (purge_addressof): If ADDRESSOFs could not be purged from the
6497 notes attached to an insn, remove the offending note(s),
6498 unless they are attached to a libcall.
6500 1999-11-05 Andreas Jaeger <aj@suse.de>
6502 * genoutput.c (null_operand =): Initialize all fields.
6504 * errors.h: Add extern to prototypes.
6506 Fri Nov 5 01:44:09 1999 Jeffrey A Law (law@cygnus.com)
6508 * configure.in (m68k-next-nextstep4): Handle Openstep 4.2.
6509 * configure: Rebuilt.
6511 Fri Nov 5 01:24:37 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
6513 * global.c (CONFLICTP, SET_CONFLICT): Avoid signed division.
6514 (mirror_conflicts): New function.
6515 (global_alloc): Call it.
6516 (expand_preferences): Remove redundant CONFLICTP test.
6517 (find_reg, dump_conflicts): Likewise.
6518 (prune_preferences): Process conflicts one word at a time.
6520 Fri Nov 5 01:05:21 1999 Richard Henderson <rth@cygnus.com>
6522 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_BITMAP
6523 instead of an explicit loop.
6525 Thu Nov 4 23:07:14 1999 Jim Wilson <wilson@cygnus.com>
6527 * cse.c (cse_insn): Revert Oct 31 change. When computing src_elt,
6528 if REG_RETVAL check succeeds, then put classp in src_elt.
6530 Thu Nov 4 23:48:14 1999 Jeffrey A Law (law@cygnus.com)
6532 * function.c (pad_to_arg_alignment): Only update argument_pad
6533 if the argument's alignment is greater than STACK_BOUNDARY.
6535 Thu Nov 4 16:44:53 1999 Richard Henderson <rth@cygnus.com>
6537 * bitmap.h (BITMAP_XFREE): New.
6538 * flow.c (life_analysis): Use it.
6539 (life_analysis_1): Free blocks.
6541 * combine.c (undo_commit): New.
6542 (try_combine): Use it. Don't zap undobuf.undos.
6543 (combine_instructions): Don't zap undobuf.undos; free the
6546 * local-alloc.c (local_alloc): Free qty_phys_num_sugg.
6548 * stmt.c (cost_table_): New.
6549 (estimate_case_costs): Use it instead of xmalloc.
6551 * toplev.c (compile_file): Reuse dumpname memory instead
6554 Thu Nov 4 16:36:44 1999 Richard Henderson <rth@cygnus.com>
6556 * reg-stack.c (convert_regs_1): Initialize target_stack->top
6557 after verifying an EH edge.
6559 * haifa-sched.c (init_rgn_data_dependences): Correctly
6560 size bb_pending_lists_length when zeroing.
6562 Thu Nov 4 16:36:36 1999 Richard Henderson <rth@cygnus.com>
6564 * function.c (diddle_return_value): New.
6565 (expand_function_end): Use it.
6566 * stmt.c (expand_null_return): Likewise.
6567 (expand_value_return): Likewise.
6569 * reg-stack.c (subst_stack_regs_pat): Handle clobbers at top-level.
6571 * reload1.c (reload): Don't remove return value clobbers.
6573 Thu Nov 4 13:33:46 1999 Richard Henderson <rth@cygnus.com>
6575 * rtl.c (read_rtx): Use fatal_with_file_and_line not fatal.
6577 Thu Nov 4 12:49:52 1999 Richard Henderson <rth@cygnus.com>
6579 * cse.c (cse_main): Use xmalloc, not alloca.
6580 (cse_basic_block): Likewise.
6581 * local-alloc.c (local_alloc): Likewise.
6583 Thu Nov 4 14:22:12 1999 David Billinghurst <David.Billinghurst@riotinto.com.au>
6584 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6586 * rtl.c: Include toplev.h.
6587 (fatal): Remove declaration.
6589 Thu Nov 4 06:39:47 1999 Jeffrey A Law (law@cygnus.com)
6591 * haifa-sched.c (schedule_block): Fix thinko.
6593 1999-11-03 James McKelvey <mckelvey@fafnir.com>
6595 * fixinc/fixincl.c(create_file): Allow for systems that do not have
6596 S_IR* defined values
6598 1999-11-03 Philippe De Muyter <phdm@macqel.be>
6600 * fixlib.c (load_file_data): Do not call `realloc' with a NULL pointer;
6601 call `malloc' instead.
6603 Wed Nov 3 23:05:14 1999 Mark Mitchell <mark@codesourcery.com>
6605 * flags.h (flag_renumber_insns): Declare.
6606 * emit-rtl.c (renumber_insns): Check flag_renumber_insns. Print
6608 * rtl.h (renumber_insns): Change prototype.
6609 * toplev.c (flag_renumber_insns): Define.
6610 (rest_of_compilation): Pass rtl_dump_file to flag_renumber_insns.
6612 Wed Nov 3 15:11:27 1999 David S. Miller <davem@redhat.com>
6614 * config/sparc/sparc.md: Remove insn type fpsqrt, add fpsqrts
6615 and fpsqrtd. Use them and create fdiv function unit to more
6616 accurately represent fpu sqrt pipeline semantics on UltraSparc.
6617 * config/sparc/sparc.c: Account for fpsqrt{s,d} changes.
6619 Wed Nov 3 15:11:27 1999 Matteo Frigo <athena@fftw.org>
6621 * config/sparc/sparc.md: Adjust FADD/FMUL result latencies to
6623 * config/sparc/sparc.c (ultra_schedule_insn): Insert launched
6624 insn into ready list, do not use just a raw swap.
6626 Wed Nov 3 14:51:59 1999 Mark P. Mitchell <mark@codesourcery.com>
6628 * rtl.h (renumber_insns): New function.
6629 (remove_unnecessary_notes): Likewise.
6630 * emit-rtl.c (renumber_insns): Define.
6631 (remove_unncessary_notes): Likewise.
6632 * toplev.c (rest_of_compilation): Remove dead code.
6633 Use renumber_insns and remove_unncessary_notes.
6635 * gcse.c (struct null_pointer_info): New type.
6636 (get_bitmap_width): New function.
6637 (current_block): Remove.
6638 (nonnull_local): Likewise.
6639 (nonnull_killed): Likewise.
6640 (invalidate_nonnull_info): Take a null_pointer_info as input.
6641 (delete_null_pointer_checks_1): New function.
6642 (delete_null_pointer_checks): Use it.
6644 * haifa-sched.c (find_rgns): Replace uses of alloca with xmalloc.
6645 (split_edges): Likewise.
6646 (schedule_block): Likewise.
6647 (compute_block_backward_dependencies): Likewise.
6648 (schedule_region): Likewise.
6649 (schedule_insns): Likewise.
6651 Wed Nov 3 15:40:23 1999 Catherine Moore <clm@cygnus.com>
6653 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Provide default.
6654 * emit-rtl.c (gen_label_rtx): Support LABEL_ALTERNATE_NAME.
6655 * final.c (final_scan_insn): Emit LABEL_ALTERNATE_NAME.
6656 * ggc-common.c (ggc_mark_rtx_children): Mark LABEL_ALTERNATE_NAME.
6657 * jump.c (delete_unreferenced_labels): Don't delete if
6658 LABEL_ALTERNATE_NAME is set.
6659 * print-rtl.c (print_rtx): Dump alternate name.
6660 * rtl.def (CODE_LABEL): Change format to "iuuis00s".
6661 * rtl.h (LABEL_ALTERNATE_NAME): Define.
6662 * rtl.texi (LABEL_ALTERNATE_NAME): Document.
6663 * tm.texi (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Document.
6665 Wed Nov 3 15:39:19 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6667 * fix-header.c (recognized_extern, recognized_function): Constify
6670 * lcm.c (compute_laterin): Remove unused variable `temp_bitmap'.
6671 (pre_edge_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
6672 (compute_available): Remove unused variable `last'.
6673 (compute_nearerout): Remove unused variable `temp_bitmap'.
6674 (pre_edge_rev_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
6675 Remove unused variable `x'.
6677 * scan.h (recognized_function, recognized_extern): Constify a
6680 * simplify-rtx.c (simplify_rtx): Remove unused variable `new'.
6682 Wed Nov 3 10:40:53 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6684 * varasm.c (decode_rtx_const): Use XSTR to access the string
6687 Wed Nov 3 10:10:58 1999 Richard Henderson <rth@cygnus.com>
6689 * c-decl.c (duplicate_decls): Copy DECL_MODE too.
6691 Wed Nov 3 12:12:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
6693 * reload1.c (eliminate_regs_in_insn): If copying insn, also copy notes.
6695 Wed Nov 3 03:26:28 1999 Jeffrey A Law (law@cygnus.com)
6697 * pa.c (ireg_operand): New function.
6698 * pa.h (PREDICATE_CODES): Handle ireg_operand.
6699 * pa.md (parallel_addb, parallel_movb): Use ireg_operand.
6700 Fix out of date comment.
6702 * pa.md (negdi2): Turn into expander + anonymous pattern.
6704 * reload.c (find_reloads): Fix typos in recent change.
6706 * dwarf2out.c: Do not include ctype.h.
6708 Tue Nov 2 21:53:44 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6710 * regclass.c (record_reg_classes): Always use may_move_cost when
6711 seeing how operand fits with various register classes.
6713 Tue Nov 2 15:38:17 1999 Richard Henderson <rth@cygnus.com>
6715 * resource.c: Revert Oct 26 20:42 and Oct 27 00:56 changes.
6716 * toplev.c: Revert Nov 1 13:22 change.
6718 Tue Nov 2 14:21:37 1999 Jason Eckhardt <jle@cygnus.com>
6720 * config/pa/pa.md (height reduction patterns): Add checks for
6721 overlapping operands to avoid semantic-destroying splits for
6722 height reduction patterns.
6724 Tue Nov 2 15:27:31 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6726 * configure.in (m68k-hp-hpux*, xm_alloca.h): The underscore should
6727 have been an hyphen, fixed.
6728 * configure: Rebuilt.
6730 Tue Nov 2 17:04:36 1999 Nick Clifton <nickc@cygnus.com>
6732 * config/arm/tpe.h: Add prototypes for exported functions.
6733 * config/arm/pe.c: Fix compile time warnings.
6734 * config/arm/semi.h: Fix compile time warnings.
6735 * config/arm/arm.c: Fix compile time warnings.
6736 * config/arm/arm.h: Fix compile time warnings.
6737 * config/arm/arm.md: Fix compile time warnings.
6738 * config/arm/thumb.c: Fix compile time warnings.
6739 * config/arm/thumb.h: Fix compile time warnings.
6740 * config/arm/thumb.md: Fix compile time warnings.
6742 Tue Nov 2 04:10:24 1999 Jan Hubicka <hubicka@freesoft.cz>
6744 * jump.c (jump_optimize_1): Swap the incscc and the conditional mode
6747 * unroll.c (unroll_loop): Remove LOOP notes when loop is
6748 completely unrolled.
6750 Tue Nov 2 16:57:22 1999 Bernd Schmidt <bernds@cygnus.co.uk>
6752 * cse.c (simplify_plus_minus, check_fold_const): Delete declarations.
6754 Tue Nov 2 09:43:00 1999 Catherine Moore <clm@cygnus.com>
6756 * Makefile.in (genattrtab): Don't use (HOST_RTLANAL).
6757 * rtl.h (rtx_equal_p): Move prototype.
6758 * rtl.c (rtx_equal_function_value_matters): Move from
6760 (rtx_equal_p): Likewise.
6761 * rtlanal.c (rtx_equal_function_value_matters): Delete.
6762 (rtx_equal_p): Likewise.
6764 Mon Nov 1 23:21:17 1999 Jason Merrill <jason@yorick.cygnus.com>
6766 * libgcc2.c (__do_global_dtors): Only do EH frame stuff if
6769 Mon Nov 1 23:37:38 1999 Jeffrey A Law (law@cygnus.com)
6771 * gcc.1 (PA options): Remove obsolete -mshared-libs options.
6773 * pa.h (ADDR_VEC_ALIGN): Define.
6775 * jump.c (jump_optimize_1): Also move LOOP_VTOP and LOOP_CONT
6776 notes when presented with "if (foo) break; end_of_loop" and
6777 the break sequence gets moved out of the loop.
6779 * unroll.c (unroll_loop): Allocate memory for MAP using xcalloc.
6780 Remove explicit zero initializations of entries within MAP.
6782 Mon Nov 1 18:09:14 1999 Richard Henderson <rth@cygnus.com>
6784 * reg-stack.c (convert_regs_1): Handle EH edges specially.
6786 Mon Nov 1 15:41:01 1999 Mark P. Mitchell <mark@codesourcery.com>
6788 * bitmap.h (BITMAP_XMALLOC): New macro.
6789 * flow.c (CLEAN_ALLOCA): Remove.
6790 (delete_unreachable_blocks): Use xmalloc/xcalloc instead of alloca.
6791 (life_analysis): Likewise.
6792 (update_life_info): Don't use CLEAN_ALLOCA.
6793 (life_analysis_1): Use xmalloc/xcalloc instead of alloca.
6794 (calculate_global_regs_live): Likewise.
6795 (print_rtl_with_bb): Likewise.
6796 (verify_flow_info): Likewise.
6797 * global.c (global_alloc): Likewise.
6798 (global_conflicts): Likewise.
6799 * integrate.c (save_for_inline_nocopy): Likewise.
6800 (expand_inline_function): Likewise.
6801 * jump.c (jump_optimize_1): Likewise.
6802 (duplicate_loop_exit_test): Likewise.
6803 (thread_jumps): Likewise.
6804 * loop.c (loop_optimize): Likewise.
6805 (combine_givs): Likewise.
6806 (recombine_givs): Likewise.
6807 * reorg.c (dbr_schedule): Likewise.
6808 * unroll.c (unroll_loop): Likewise.
6810 * combine.c (combine_instructions): Use xmalloc instead of alloca.
6812 Mon Nov 1 13:22:30 1999 Richard Henderson <rth@cygnus.com>
6814 * toplev.c (rest_of_compilation): Don't optimize the CFG
6815 when rebuilding, just before dbr.
6817 Mon Nov 1 14:35:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6819 * output.h (assemble_end_function, assemble_destructor,
6820 assemble_constructor, assemble_gc_entry, assemble_global,
6821 assemble_label, output_constant_pool) Constify a char*.
6823 * varasm.c (assemble_destructor, assemble_constructor,
6824 assemble_gc_entry, assemble_end_function, assemble_global,
6825 assemble_label, output_constant_pool): Likewise.
6827 Mon Nov 1 14:22:51 1999 Nick Clifton <nickc@cygnus.com>
6829 * config/arm/thumb.c (thumb_expand_prologue): Add comments
6830 explaining what is goin on in this function.
6832 Mon Nov 1 08:03:15 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6834 * regclass.c (record_reg_classes): In matching case, recompute
6835 costs since the direction of movement is different.
6837 Sun Oct 31 21:59:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
6839 * resource.c (mark_target_live_regs): For unconditional branches,
6840 the resources found at the branch target should be added to the
6841 resources found so far, not intersected.
6843 Sun Oct 31 15:48:49 1999 Philippe De Muyter <phdm@macqel.be>
6845 * fixinc/fixtests.c, fixinc/fixfixes.c : Keep `#' in first column for
6847 * fixinc/fixincl.c (fcntl.h) : Do not include this file twice.
6848 (sys/mman.h): Include this file only if #HAVE_MMAP.
6849 (run_compiles): Initialize `esac_fmt' with one old KR string, not
6850 with automatically concatenated ANSI strings.
6852 Sun Oct 31 23:57:07 1999 Mark Mitchell <mark@codesourcery.com>
6854 * ggc-page.c (struct page_entry): Remove save_num_free_objects.
6855 (DIV_ROUND_UP): Robustify.
6856 (ggc_recalculate_in_use_p): New function.
6857 (release_pages): Don't inline it.
6858 (ggc_alloc_obj): Don't refuse to allocate objects on pages for
6860 (ggc_pop_context): Use ggc_recalculate_in_use_p.
6861 (clear_marks): Always save in_use_p.
6862 (sweep_pages): Use ggc_recalculate_in_use_p.
6863 (ggc_page_print_statistics): Avoid signed/unsigned comparisons.
6864 Release pages before counting statistics.
6866 Sun Oct 31 23:42:37 1999 Mark Mitchell <mark@codesourcery.com>
6868 * toplev.c (rest_of_compilation): Fix thinko in this change:
6870 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
6872 (rest_of_compilation): If inside an inlined external function,
6873 pretend we are just being declared.
6875 Sun Oct 31 23:03:25 1999 Jeffrey A Law (law@cygnus.com)
6877 * flow.c (calculate_global_regs_live): Fix thinko.
6879 * integrate.c (expand_inline_function): Fix bugs in previous
6880 change from Oct 28, 1999.
6882 Sun Oct 31 20:27:45 1999 Mark Mitchell <mark@codesourcery.com>
6884 * stmt.c (expand_value_return): Fix typo in this change:
6886 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6887 (expand_value_return): Correctly convert VAL when promoting function
6888 return; support RETURN_REG being a PARALLEL.
6890 Sun Oct 31 20:25:42 1999 Mark P. Mitchell <mark@codesourcery.com>
6892 * expr.c (readonly_fields_p): Ignore everything except FIELD_DECLs.
6894 Sun Oct 31 20:42:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6896 * hard-reg-set.h (reg_names): Constify a char*.
6898 * regclass.c (reg_names): Likewise.
6900 * regs.h (reg_names): Likewise
6902 * a29k/a29k.c (reg_names): Delete declaration.
6904 * a29k/a29k.h (CONDITIONAL_REGISTER_USAGE): Constify a char*.
6906 * arc/arc.c (arc_save_restore, arc_output_function_prologue,
6907 arc_output_function_epilogue): Likewise.
6909 * elxsi/elxsi.c (reg_names): Likewise.
6911 * gmicro/gmicro.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Likewise.
6913 * m32r/m32r.c (m32r_output_function_epilogue, emit_cond_move):
6916 * m88k/m88k.c (output_function_profiler): Likewise.
6918 * sparc/sparc.c (sparc_flat_output_function_prologue,
6919 sparc_flat_output_function_epilogue): Likewise.
6921 Sun Oct 31 13:32:15 CET 1999 Marc Lehmann <pcg@goof.com>
6923 * toplev.c (rest_of_compilation): Seperate the setjmp/vfork clobber
6924 warning from -Wuninitialized and put it under -W.
6925 * function.c (uninitialized_vars_warning): Warn only when the
6926 corresponding flag is set.
6928 Sun Oct 31 01:53:30 1999 Jeffrey A Law (law@cygnus.com)
6930 * cse.c (cse_insn): If an insn has only a single set, SRC_EQV
6931 is nonzero and the single set does not have an elt, then assign
6934 * simplify-rtx.c: New file.
6935 * Makefile.in (OBJS): Add simplify-rtx.o
6936 (simplify-rtx.o): Add dependencies.
6937 * rtl.h (simplify_gen_binary, simplify_rtx): Add prototypes.
6938 * cse.c: Use simplify_gen_binary intead of cse_gen_binary.
6939 (cse_gen_binary, simplify_unary_operation): Delete.
6940 (simplify_binary_operation, simplify_plus_minus): Likewise.
6941 (check_fold_consts, simplify_relation_operation): Likewise.
6942 (simplify_ternary_operation): Likewise.
6943 (delete_trivially_dead_insns): Simplify the contents of the
6944 REG_EQUAL note before trying to substitute it into the source
6945 of the reg-reg copy at the end of a libcall sequence.
6947 * combine.c (combine_simplify_rtx): Renamed from simplify_rtx. All
6948 references/callers changed.
6950 * mn10200.c (mn10200_va_arg): Force the return value into a
6953 * fr30.h (EXTRA_CC_NAMES): Remove obsolete macro.
6955 * cccp.c (macroexpand): Avoid out of range accesses for omitted
6958 Sat Oct 30 22:42:50 1999 Stephen L Moshier <moshier@mediaone.net>
6960 * c-lex.c (yylex): Accept 'f' in mantissa of hex float constant.
6962 Sat Oct 30 22:19:26 1999 Jeffrey A Law (law@cygnus.com)
6964 * fold-const.c (fold): Fix thinko when optimizing comparisons
6967 Sat Oct 30 21:32:17 1999 David Starner <dstarner98@aasaa.ofe.org>
6969 * gcc.texi (Passes): Update front-end files to their current
6972 Sat Oct 30 14:41:40 1999 Richard Henderson <rth@cygnus.com>
6974 * alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Call secondary_reload_class.
6975 (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
6976 (PREDICATE_CODES): Add addition_operation.
6977 * alpha-protos.h (addition_operation): Declare.
6978 (secondary_reload_class): Likewise.
6979 * alpha.c (addition_operation): New.
6980 (secondary_reload_class): New, from old SECONDARY_INPUT_RELOAD_CLASS.
6981 * alpha.md (adddi3): Turn into expander.
6982 (*lda, *adddi_2): New.
6983 (movsf, movdf patterns): Don't preference integer regs.
6984 (movsi, movdi patterns): Don't preference fp regs.
6986 Sat Oct 30 14:38:22 1999 Richard Henderson <rth@cygnus.com>
6988 * genrecog.c (write_switch): Check for duplicate CODE cases.
6990 Sat Oct 30 14:31:48 1999 Richard Henderson <rth@cygnus.com>
6992 * ggc-common.c: Update pre-function commentary.
6993 * ggc-page.c: Likewise.
6995 (poison_pages): Use memset directly.
6996 (ggc_alloc_obj): Likewise. Use a different pattern than poison_pages.
6997 (ggc_collect): Poison before sweeping.
6998 * ggc-simple.c: Update pre-function commentary.
6999 (ggc_alloc_obj): Poison non-zeroed memory.
7001 Sat Oct 30 14:28:52 1999 Mark Mitchell <mark@codesourcery.com>
7003 * ggc-common.c (ggc_print_statistics): Make arguments to fprintf
7004 match format string, even on 64-bit hosts.
7005 * gcc-page.c (ggc_page_print_statistics): Likewise.
7007 Sat Oct 30 14:38:04 1999 Catherine Moore <clm@cygnus.com>
7009 * config/i386/i386.c (ix86_cpu): Revert last patch.
7010 * config/i386/i386.h (ix86_cpu): Ditto.
7012 Fri Oct 29 17:00:42 1999 Jim Wilson <wilson@cygnus.com>
7014 * stor-layout.c (layout_type): When compute TYPE_SIZE_UNIT from
7015 TYPE_SIZE, convert type of result to sizetype.
7017 Fri Oct 29 14:34:17 1999 Richard Henderson <rth@cygnus.com>
7019 * flow.c (count_or_remove_death_notes): Equate NULL with the
7022 * jump.c, reg-stack.c, toplev.c: Revert Oct 27 change.
7023 * toplev.c (rest_of_compilation): Rebuild CFG immediately before
7026 * i386.c (pic_label_no): Delete.
7027 (ix86_attr_length_default): Don't use single_set to peek
7030 * recog.c (peephole2_optimize): Allow recog_next_insn to index
7031 the first insn after bb->end.
7032 * i386.md (push mem peeps): Scratch is live after evaluation
7034 (cmp mem peep): Similarly.
7036 Fri Oct 29 11:50:11 1999 Catherine Moore <clm@cygnus.com>
7038 * calls.c (emit_library_call_value): Fix declaration of alignment_pad.
7039 * function.c (pad_to_arg_alignment): Add missing braces.
7041 Fri Oct 29 13:53:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7043 * alpha/alpha-protos.h (literal_section): Add prototype.
7044 (alpha_need_linkage, alpha_start_function,alpha_end_function):
7047 * alpha/alpha.c (alpha_ra_ever_killed, set_frame_related_p): Add
7049 (alpha_start_function, alpha_end_function, float_strings,
7050 alpha_need_linkage): Constify a char*
7052 * alpha/alpha.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_MI_THUNK): Likewise.
7054 * alpha/alpha32.h (ASM_OUTPUT_MI_THUNK): Likewise.
7056 * alpha/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
7058 * alpha/vms.h (ASM_OUTPUT_SECTION_NAME): Likewise.
7060 Fri Oct 29 13:49:39 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7062 * flow.c (debug_flow_info): Add prototype.
7064 * gcc.c (main): Likewise.
7066 * gcse.c (expr_reaches_here_p_work, pre_expr_reaches_here_p_work):
7069 * reload1.c (failed_reload, set_reload_reg): Likewise.
7071 * mips-tfile.c (main): Likewise.
7072 (pfatal_with_name, fancy_abort, botch, fatal, catch_signal): Mark
7073 with ATTRIBUTE_NORETURN.
7075 Fri Oct 29 18:16:03 1999 Andrew Haley <aph@cygnus.com>
7077 * config/i386/i386.h (ENCODE_SECTION_INFO): Don't do anything if
7078 DECL is not a memory ref.
7080 Fri Oct 29 09:05:34 1999 Catherine Moore <clm@cygnus.com>
7082 * config/i386/i386.h (ix86_cpu): Remove extern attribute.
7083 * config/i386/i386.c (ix86_cpu): Add extern attribute.
7085 Fri Oct 29 16:30:04 1999 Andrew Haley <aph@cygnus.com>
7087 * config/mips/elf.h: remove NAME__MAIN and SYMBOL__MAIN.
7088 * config/mips/elf64.h: ditto.
7090 Fri Oct 29 08:03:57 1999 Catherine Moore <clm@cygnus.com>
7092 * expr.c (emit_push_insn): New argument alignment_pad.
7093 Update all callers. Adjust stack pointer based on alignment pad.
7094 * function.c (pad_to_arg_alignment): New argument alignment_pad.
7095 Update all callers. Track alignment_pad if boundary > PARM_BOUNDARY.
7096 (locate_and_pad_parm): New argument alignment_pad. Update all
7098 * expr.h (emit_push_insn): Update prototype.
7099 (locate_and_pad_parm): Update prototype.
7100 * calls.c (arg_data): Add new field alignment_pad.
7101 (initialize_argument_information): Initialize alignment_pad.
7103 Fri Oct 29 02:51:35 1999 Mark Mitchell <mark@codesourcery.com>
7105 * except.c (free_eh_nesting_info): Free the info itself.
7106 * function.c (free_after_compilation): Don't free NULL.
7107 * gcse.c (alloc_pre_mem): Free the temp_bitmap, too.
7108 (pre_edge_insert): Free inserted.
7109 * stmt.c (free_stmt_status): Don't free NULL.
7111 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
7113 * gcov.c (DIR_SEPARATOR): Provide default.
7114 (output_data): Add test for MS-DOS format absolute filename.
7115 (fancy_abort): Correct program name.
7116 (open_files): Open all files in binary mode.
7117 * libgcc2.c (__bb_exit_func): Likewise.
7119 * profile.c (init_branch_prob): Specify binary when opening files.
7121 * flags.h (flag_unwind_tables): New decl.
7122 * toplev.c (flag_unwind_table): New definition.
7123 (f_options): Add -funwind-tables.
7124 (decode_g_option): Clarify warning when unknown -g option is given.
7125 (rest_of_compilation): If inside an inlined external function,
7126 pretend we are just being declared.
7128 * dwarf2out.c (dwarf2out_do_frame): Check -funwind_tables.
7129 (dwarf2out_frame_finish): Likewise.
7131 Fri Oct 29 07:44:26 1999 Vasco Pedro <vp@di.fct.unl.pt>
7133 * fold-const.c (merge_ranges): If not in0, but in1, handle
7134 upper bounds equal like subset case.
7136 Thu Oct 28 19:22:24 1999 Douglas Rupp <rupp@gnat.com>
7138 * dbxout.c (dbxout_parms): Generate a second stabs line for parameters
7139 passed in a register but moved to the stack.
7141 Thu Oct 28 19:12:57 1999 Sam Tardieu <tardieu@act-europe.fr>
7143 * gcc.c (pass_exit_codes, greatest_status): New variables.
7144 (struct option_map): Add entry for "--pass-exit-codes".
7145 (execute): Update greatest_status if error.
7146 (display_help): Add documentation for -pass-exit-codes.
7147 (process_command): Handle -pass-exit-codes.
7148 (main): Look at pass_exit_codes and greatest_status on call to exit.
7150 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7152 * reload.c (find_reloads): Refine test for no input reload
7153 case to not includes reloads emitted after insn.
7155 * function.c (find_temp_slots_from_address): Handle sum involving
7156 a register that points to a temp slot.
7157 (update_temp_slot_address): Make recursive call if both old and
7158 new are PLUS with a common operand.
7159 * calls.c (expand_call): Mark temp slot for result as having
7162 * rtlanal.c (reg_referenced_p, case IF_THEN_ELSE): New case.
7164 * gcc.c (process_command): Add standard_exec_prefix with "GCC"
7165 component as well as "BINUTILS".
7167 * integrate.h (copy_rtx_and_substitute): New arg, FOR_LHS.
7168 * integrate.c (copy_rtx_and_substitute): Likewise.
7169 (expand_inline_function, integrate_parm_decls, integrate_decl_tree):
7170 All callers changed.
7171 * unroll.c (inital_reg_note_copy, copy_loop_body): Likewise.
7173 * dbxout.c (dbxout_type, case INTEGER_TYPE_NODE): If can use
7174 gdb extensions, write size of type; also be more consistent
7175 in using references when this is a subtype.
7177 * pa.md (extv, extzv, insv): Use define_expand to reject constant
7178 that is out of range.
7180 * loop.c (unknown_constant_address_altered): New variable.
7181 (prescan_loop): Initialize it.
7182 (note_addr_stored): Set it for RTX_UNCHANGING_P MEM.
7183 (invariant_p, case MEM): Remove handling for volatile and readonly;
7184 check new variable if readonly.
7185 (check_dbra_loop): Chdeck unknown_constant_address_altered.
7187 * cse.c (canon_hash, case MEM): Do not record if BLKmode.
7188 (addr_affects_sp_p): Removed from note_mem_written and only
7189 define #ifdef AUTO_INC_DEC.
7191 * alpha.c (input_operand, case ADDRESSOF): Treat as REG.
7193 * regclass.c (record_reg_classes): Properly handle register move
7196 * varasm.c (initializer_constant_valid_p, case MINUS_EXPR):
7197 Don't think valid if both operands are invalid.
7198 (struct constant_descriptor): New field RTL.
7199 (mark_const_hash_entry): Mark it.
7200 (record_constant{,_rtx}): Initialize it.
7201 (output_constant_def): Allocate RTL in permanent obstack and
7203 ({record,compare}_constant_1): Modes must match for
7204 CONSTRUCTOR of ARRAY_TYPE.
7206 * c-common.h (initializer_constant_valid_p): Delete decl from here.
7207 * output.h (initializer_constant_valid_p): Move decl to here.
7208 * c-common.c (initializer_constant_valid_p): Delete function from here.
7209 * varasm.c (initializer_constant_valid_p): Move function to here.
7211 * tree.h (STRIP_SIGN_NOPS): New macro.
7212 * fold-const.c (optimize_minmax_comparison): New function.
7213 (invert_truthvalue, case WITH_RECORD_EXPR): New case.
7214 (fold): Use STRIP_SIGN_NOPS instead of STRIP_TYPE_NOPS.
7215 (fold, case EQ_EXPR): Call optimize_minmax_comparison and add
7216 cases with ABS_EXPR, NEGATE_EXPR, PLUS_EXPR, MINUS_EXPR, and
7217 widening conversions.
7218 (fold, case LE_EXPR): Rework changing unsigned to signed comparisons
7219 to look at size of mode, not precision of type; also add missing cases.
7220 (optimize_bit_field_compare, decode_field_reference): Don't try to
7221 optimize COMPONENT_REF of a PLACEHOLDER_EXPR.
7223 * dwarf2out.c (ctype.h): Include.
7224 (dwarf2out_set_demangle_name_func): New function.
7225 (size_of_line_info): Deleted.
7226 (output_line_info): Compute size of line info table from difference
7228 (base_type_die, add_name_attribute): Call demangle function, if any.
7229 (field_byte_offset): Use bits per word for variable length fields.
7230 (gen_array_type_die): Add array name.
7231 (gen_subprogram_die): Ignore DECL_INLINE if -fno-inline.
7232 (dwarf2out_add_library_unit_info): New function.
7234 * explow.c (set_stack_check_libfunc): New function.
7235 (stack_check_libfunc): New static variable.
7236 (probe_stack_range): Allow front-end to set up a libfunc to call.
7238 * combine.c (simplify_comparison): When making comparison in wider
7239 mode, check for having commuted an AND and a SUBREG.
7240 (contains_muldiv): New function.
7241 (try_combine): Call it when dividing a PARALLEL.
7242 (simplify_rtx, case TRUNCATE): Don't remove for umulsi3_highpart.
7243 (simplify_comparison, case ASHIFTRT): Recognize sign-extension of
7245 (record_value_for_reg): If TEM is a binary operation with two CLOBBERs,
7246 use one of the CLOBBERs instead.
7247 (if_then_else_cond): If comparing against zero, just return thing
7250 * optabs.c (expand_abs): If machine has MAX, ABS (x) is MAX (x, -x).
7251 Don't generate shifts and subtract if have conditional arithmetic.
7253 * rtl.h (delete_barrier): New declaration.
7254 * jump.c (jump_optimize): Set up to handle conditional call.
7255 In conditional arithmetic case, handle CALL_INSN followed by a BARRIER.
7256 (delete_barrier): New function.
7258 * rtl.c (read_rtx): Call fatal if bad RTL code; check for bad mode.
7260 * recog.c (nonmemory_operand): Accept ADDRESSOF.
7262 * tree.c (build_type_attribute_variant): Push to obstack of
7263 ttype around type_hash_canon call.
7265 * expr.c (placeholder_list): Move decl to file scope.
7266 (expand_expr): Don't force access to volatile just because its
7268 If ignoring reference operations, just expand the operands.
7269 (expand_expr, case COMPONENT_REF): Propagate
7270 EXPAND_CONST_ADDRESS to recursive call when expanding inner.
7271 Refine test for using bitfield operations vs pointer punning.
7272 (expand_expr, case CONVERT_EXPR): If converting to
7273 BLKmode UNION_TYPE from BLKmode, just return inner object.
7274 Use proper mode in store_field call.
7275 Properly set sizes of object to store and total size in store_field
7276 call for convert to union.
7277 (expand_expr, case ARRAY_REF): If OP0 is in a register, put it in
7278 memory (like for ADDR_EXPR). Also, don't put constant in register if
7279 we'll want it in memory.
7280 (readonly_fields_p): New function.
7281 (expand_expr, case INDIRECT_REF): Call it if LHS.
7282 (expand_assignment): Handle a RESULT_DECL where
7283 DECL_RTL is a PARALLEL.
7284 (do_jump, case WITH_RECORD_EXPR): New case.
7285 (get_inner_reference): Always go inside a CONVERT_EXPR
7286 and NOP_EXPR if both modes are the same.
7287 (store_field): Use bitfield operations if size of bitsize is not same
7288 as size of RHS's type.
7289 Check for bitpos not a multiple of alignment in BLKmode case.
7290 Do block move in largest possible alignment.
7291 (store_constructor): Set BITSIZE to -1 for variable size and properly
7292 in case of array of BLKmode.
7293 (expand_expr_unaligned): New function.
7294 (do_compare_and_jump): Call it.
7296 * mips/iris5.h (SWITCHES_NEED_SPACES): New macro.
7297 * collect2.c (main): Only allow -ofoo if SWITCHES_NEED_SPACES
7298 does not include 'o'.
7300 * function.c (instantiate_virtual_regs_1, case SET): Handle case where
7301 both SET_DEST and SET_SRC reference a virtual register.
7302 (gen_mem_addressof): Copy RTX_UNCHANGING_P from new REG to old REG.
7304 * integrate.c (expand_inline_function): Handle case of setting
7305 virtual stack vars register (from built in setjmp); when parameter
7306 lives in memory, expand virtual_{stack_vars,incoming_args}_rtx early.
7307 (subst_constant): Add new parm, MEMONLY.
7308 (expand_inline_function, integrate_parm_decls): Pass new parm.
7309 (integrate_decl_tree): Likewise.
7310 (copy_rtx_and_substitute, case MEM): Do copy RTX_UNCHANGING_P.
7311 (try_constants): Call subst_constants twice, with MEMONLY 0 and 1.
7312 (copy_rtx_and_substitute, case SET): Add explicit calls to
7313 copy_rtx_and_substitute for both sides.
7315 * stmt.c (expand_asm_operands): Don't use TREE_STRING_LENGTH for
7317 (pushcase{,_range}): Convert to NOMINAL_TYPE after checking for
7318 within INDEX_TYPE, instead of before.
7319 (fixup_gotos): Use f->target_rtl, not the next insn,
7320 since latter may be from a later fixup.
7321 (expand_value_return): Correctly convert VAL when promoting function
7322 return; support RETURN_REG being a PARALLEL.
7323 (expand_return): When checking for result in regs and having
7324 cleanup, consider PARALLEL in DECL_RTL as being in regs.
7326 1999-10-28 21:27 -0700 Zack Weinberg <zack@bitmover.com>
7328 * cpplib.h (struct cpp_buffer: fname, nominal_fname,
7329 last_nominal_fname): Mark const.
7330 (struct include_hash: name, nshort, control_macro): Mark
7332 (struct macrodef: symnam): Mark const.
7333 (struct if_stack: fname): Mark const.
7334 (is_idchar, is_idstart, is_hor_space, trigraph_table): Delete.
7335 (IStable): New character-syntax array which encompasses all
7336 the old is_foo arrays.
7337 (is_idchar, is_numchar, is_idstart, is_numstart, is_hspace,
7338 is_space): New macros for interrogating IStable.
7339 (check_macro_name): Kill last argument. All callers changed.
7341 * cppinit.c (initialize_char_syntax): Delete.
7342 (is_idchar, is_idstart, is_hor_space, is_space,
7343 trigraph_table): Delete.
7344 (IStable): New. Initialize with clever macros to avoid
7345 information duplication.
7346 (builtin_array): Table of builtins to get rid of explicit list
7347 in initialize_builtins.
7348 (initialize_builtins): Use builtins_array.
7349 (cpp_start_read): Call init_IStable, and set IStable['$'] if
7350 opts->dollars_in_ident.
7352 * cppexp.c: Change all refs to is_xyz[] arrays to use new
7354 (cpp_parse_expr): Avoid 'format string is not constant'
7355 warning. Use ISGRAPH to identify printable chars.
7356 * cppfiles.c: Change all refs to is_xyz[] arrays to use new
7358 (read_and_prescan): Map trigraphs to chars with open-coded
7359 if-else-if-... sequence, not a lookup table.
7360 * cpphash.c: Change all refs to is_xyz[] arrays to use new
7362 * cpplib.c: Change all refs to is_xyz[] arrays to use new
7363 is_xyz() macros. Kill SKIP_ALL_WHITE_SPACE (unused).
7364 (check_macro_name): Remove ability to report an invalid
7365 assertion name, which is never used.
7366 (do_line): Constify a couple of char *'s.
7367 * cppmain.c (main): Call cpp_cleanup before returning.
7369 Thu Oct 28 21:16:35 1999 Mark Mitchell <mark@codesourcery.com>
7371 * ggc.h (struct ggc_statistics): New type.
7372 (ggc_get_size): New function.
7373 (ggc_print_statistics): Likewise.
7374 * ggc-common.c (ggc_stats): New variable.
7375 (ggc_mark_rtx_children): Keep statistics.
7376 (ggc_mark_tree_children): Likewise.
7377 (ggc_print_statistics): New function.
7378 * ggc-page.c (struct globals): Add bytes_mapped field.
7379 (alloc_anon): Update it.
7380 (release_pages): Likewise.
7381 (ggc_get_size): New function.
7382 (ggc_page_print_statistics): New function.
7383 * ggc-simple.c (ggc_get_size): New function.
7385 Fri Oct 29 06:32:44 1999 Geoffrey Keating <geoffk@cygnus.com>
7387 * flow.c (propagate_block): When the last reference to a label
7388 before an ADDR_VEC is deleted because the reference is a dead
7389 store, delete the ADDR_VEC.
7391 Thu Oct 28 12:28:50 1999 Richard Henderson <rth@cygnus.com>
7393 * resource.c (find_free_register): Don't use the frame pointer
7394 if frame_pointer_needed.
7396 Thu Oct 28 10:02:00 1999 Jim Wilson <wilson@cygnus.com>
7398 * config/mips/mips.c (mips_va_arg): Delete gen_jump as emit_jump arg.
7399 (function_arg_pass_by_reference): Check for a NULL pointer in cum.
7401 * config/i960/i960.c (i960_va_start): New locals base, num.
7402 Use INDIRECT_REF instead of ARRAY_REF on valist.
7403 (i960_va_arg): Use INDIRECT_REF instead of ARRAY_REF on valist.
7405 Thu Oct 28 09:45:48 1999 Mark Mitchell <mark@codesourcery.com>
7407 * gcse.c (delete_null_pointer_checks): Fix typo in previous change.
7409 Thu Oct 28 03:37:50 1999 Peter Gerwinski <peter@gerwinski.de>
7411 * tree.def (PLACEHOLDER_EXPR): Update comments.
7413 Thu Oct 28 06:47:32 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7415 * c-common.c (check_format_info): Avoid non-literal format string
7416 warnings when `first_arg_num' is zero.
7418 Thu Oct 28 12:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
7420 * rtl.texi: Delete explicit Prev, Up and Next entries in "@node"s.
7422 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
7424 * arm.md (casesi_insn): Add a clobber of the condition code
7427 Mon Oct 18 21:16:06 1999 Fred Fish <fnf@be.com>
7429 * tm.texi (CC1PLUS_SPEC): Make it clear in the docs that CC1_SPEC is
7430 used by both cc1 and cc1plus.
7432 Thu Oct 28 10:00:48 1999 Nick Clifton <nickc@cygnus.com>
7434 * config/arm/arm.c: Initialise arm_structure_size_boundary to
7435 DEFAULT_STRUCTURE_SIZE_BOUNDARY.
7436 * config/arm/arm.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY): Define
7437 to the value 32 if it has not already been defined.
7438 * config/arm/netbsd.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY):
7439 Override definition in arm.h with a value of 8.
7441 Thu Oct 28 03:12:02 1999 David Starner <dstarner98@aasaa.ofe.org>
7443 * c-pragma.c (push_alignment): Don't check the return value
7446 Thu Oct 28 03:08:38 1999 Matteo Frigo <athena@fftw.org>
7448 * sparc.h (ADJUST_COST): Fix thinko.
7450 Thu Oct 28 02:44:03 1999 Glen Nakamura <glen.nakamura@usa.net>
7452 * cccp.c (rescan): Fixed obp pointer handling around call to
7453 check_expand subroutine.
7455 Thu Oct 28 02:15:22 1999 Jeffrey A Law (law@cygnus.com)
7457 * gcse.c (delete_null_pointer_checks): Only record non-null info
7458 for pseudos when examining stores.
7460 * arm.md (adddi3, adddi_sesidi_di, adddi_sesidi_di): Add
7461 splitters for these patterns. Use "#" for output templates.
7462 (addsi3_carryin_shift): New pattern.
7464 Thu Oct 28 10:20:02 1999 Geoffrey Keating <geoffk@cygnus.com>
7466 * config/rs6000/rs6000.md (movsf): Don't convert a SUBREG
7467 of the function return register into a plain REG until
7468 after function inlining is done.
7470 Wed Oct 27 15:21:46 1999 Richard Henderson <rth@cygnus.com>
7472 * jump.c (jump_optimize_1): If we did cross-jumping, and
7473 the data will matter, rebuild the CFG.
7474 * reg-stack.c (reg_to_stack): Only (re)build the CFG if
7475 not optimizing. Don't run shorten_branches.
7476 * toplev.c (rest_of_compilation): Run shorten_branches after
7479 Wed Oct 27 12:33:40 1999 Mark Mitchell <mark@codesourcery.com>
7481 * rtl.h (note_stores): Add additional paramter.
7482 * rtlanal.c (reg_set_p_1): Take additional paramter.
7483 (reg_set_last_1): Likewise.
7484 (reg_set_p): Adjust call to note_stores.
7485 (reg_set_last): Likewise.
7486 (note_stores): Pass data parameter to worker function.
7487 * alias.c (record_set): Take additional parameter.
7488 (init_alias_analysis): Pass it.
7489 * caller-save.c (mark_set_regs): Take additional parameter.
7490 (save_call_clobbered_regs): Pass NULL to note_stores.
7491 * combine.c (set_nonzero_bits_and_sign_copies): Take additional
7493 (record_dead_and_set_regs_1): Likewise.
7494 (reg_dead_at_p_1): Likewise.
7495 (combine_instructions): Adjust calls to note_stores.
7496 (try_combine): Likewise.
7497 (record_dead_insn): Remove.
7498 (record_dead_and_set_regs): Adjust calls to note_stores.
7499 (reg_dead_at_p): Likewise.
7500 * cse.c (invalidate_skipped_set): Take additional parameter.
7501 (cse_check_loop_start): Likewise.
7502 (cse_check_loop_start_value): Remove.
7503 (cse_set_around_loop): Adjust calls to note_stores.
7504 * flow.c (notice_stack_pointer_modification): Take additional
7505 parameter. Remove duplicate declaration.
7506 (record_volatile_insns): Adjust calls to note_stores.
7507 * gcse.c (record_set_info): Take additional parameter.
7508 (record_last_set_info): Likewise.
7509 (invalidate_nonnull_info): Likewise.
7510 (record_set_insn): Remove.
7511 (compute_sets): Adjust calls to note_stores.
7512 (last_set_insn): Remove.
7513 (compute_hash_table): Adjust calls to note_stores.
7514 (insert_insn_end_bb): Likewise.
7515 (delete_null_pointer_checks): Likewise.
7516 * global.c (mark_reg_store): Take additional parameter.
7517 (mark_reg_clobber): Likewise.
7518 (reg_becomes_live): Likewise.
7519 (global_conflicts): Adjust calls to note_stores.
7520 (build_insn_chain): Likewise.
7521 * integrate.c (note_modified_parmregs): Take additional parameter.
7522 (mark_stores): Likewise. Make it static.
7523 (save_for_inline_nocopy): Adjust calls to note_stores.
7524 (try_constants): Likewise.
7525 * integrate.h (mark_stores): Remove declaration.
7526 * jump.c (mark_modified_reg): Take additional parameter.
7527 (thread_jumps): Adjust calls to note_stores.
7528 * local-alloc.c (validate_equiv_mem_from_store): Take additional
7530 (no_equiv): Likewise.
7531 (reg_is_set): Likewise.
7532 (validate_equiv_mem): Adjust calls to note_stores.
7533 (update_equiv_regs): Likewise.
7534 (block_alloc): Likewise.
7535 * loop.c (note_set_pseudo_multiple_uses_retval): Remove.
7536 (note_addr_stored): Take additional parameter.
7537 (note_set_pseudo_multiple_uses): Likewise.
7538 (record_initial): Likewise.
7539 (prescan_loop): Adjust calls to note_stores.
7540 (strength_reduce): Likewise.
7541 (check_dbra_loop): Likewise.
7542 * regmove.c (flags_set_1): Take additional paramter.
7543 (mark_flags_life_zones): Adjust calls to note_stores.
7544 * reload1.c (mark_not_eliminable): Take additional parameter.
7545 (forget_old_reloads_1): Likewise.
7546 (reload_cse_invalidate_rtx): Likewise.
7547 (reload_cse_check_clobber): Likewise.
7548 (reload_combine_note_store): Likewise.
7549 (move2add_note_store): Likewise.
7550 (reload): Adjust calls to note_stores.
7551 (reload_as_needed): Likewise.
7552 (emit_reload_insns): Likewise.
7553 (reload_cse_regs_1): Likewise.
7554 (reload_cse_record_set): Adjust calls to reload_cse_invalidate_rtx.
7555 (reload_combine): Adjust calls to note_stores.
7556 * resource.c (update_live_status): Take additional paramter.
7557 (mark_target_live_regs): Adjust calls to note_stores.
7558 * stupid.c (find_clobbered_regs): Take additional parameter.
7559 (stupid_life_analysis): Adjust calls to note_stores.
7561 Wed Oct 27 19:26:12 1999 Nick Clifton <nickc@cygnus.com>
7563 * config/arm/coff.h (STRUCTURE_SIZE_BOUNDARY): Delete
7566 * config/arm/elf.h (STRUCTURE_SIZE_BOUNDARY): Delete
7569 * config/arm/arm.h (STRUCTURE_SIZE_BOUNDARY): Define in terms
7570 of the variable arm_structure_size_boundary.
7572 Wed Oct 27 02:05:58 1999 Mark P. Mitchell <mark@codesourcery.com>
7574 * alias.c (init_alias_analysis): Allocate reg_known_value and
7575 reg_known_equiv_p on the heap. Likewise for new_reg_base_value
7577 (end_alias_analysis): Free reg_known_value and reg_known_equiv_p.
7578 * cse.c (cse_main): Call end_alias_analysis.
7579 * haifa-sched.c (schedule_insns): Likewise.
7580 * local-alloc. (update_equiv_regs): Likewise.
7581 * reload1.c (reload_cse_regs): Likewise.
7583 Wed Oct 27 01:49:17 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7585 * sparc/sparc.c (sparc_override_options): Clear MASK_FPU_SET.
7586 * sparc/sparc.h (TARGET_SWITCHES): Add "fpu" entry for reverse
7587 mapping from MASK_FPU.
7589 Wed Oct 27 01:42:26 1999 Scott Christley <scottc@net-community.com>
7591 * sparc.md (call): Don't bound structure return size to 0xfff.
7593 Wed Oct 27 00:56:59 1999 Richard Henderson <rth@cygnus.com>
7595 * resource.c (mark_target_live_regs): Check that the target
7596 insn wasn't created after compute_bb_for_insn.
7598 Tue Oct 26 23:15:03 1999 Mark Mitchell <mark@codesourcery.com>
7600 * ggc-page.c (poison_pages): Don't be overzealous.
7602 Tue Oct 26 23:29:18 1999 Jeffrey A Law (law@cygnus.com)
7604 * alias.c: Update comments for ADDRESS.
7605 (nonlocal_reference_p): Look inside the ADDRESS to determine if
7606 it is a local memory reference.
7608 * c-typeck.c (build_function_call): Check that the built-in
7609 function is of class BUILT_IN_NORMAL before trying to recongize
7611 * calls.c (calls_function_1): Similarly for BUILT_IN_ALLOCA.
7612 * stmt.c (expand_end_cae): Similarly for BUILT_IN_CLASSIFY_TYPE.
7614 Wed Oct 27 00:14:13 1999 Robert Lipe <robertlipe@usa.net>
7616 * gcse.c (expr_reaches_here_p): Use xcalloc and explit free instead
7618 (pre_gcse): Likewise.
7619 (hoist_expr_reaches_here_p): Likewise.
7620 (hoist_code): Likewise.
7621 (pre_expr_reaches_here_p): Replace alloca with xcalloc. Move core
7623 (pre_expr_reaches_here_p_work): ... here.
7624 (expr_reaches_here_p): Replace alloca with xcalloc. Move core
7626 (expr_reaches_here_p_work): ... here.
7628 Tue Oct 26 20:42:45 1999 Richard Henderson <rth@cygnus.com>
7630 * resource.c (find_basic_block): Delete.
7631 (mark_target_live_regs, incr_ticks_for_insn): Use BLOCK_NUM instead.
7632 (init_resource_info): Call compute_bb_for_insn.
7634 Tue Oct 26 20:21:02 1999 Richard Henderson <rth@cygnus.com>
7636 * flow.c (merge_blocks_move_predecessor_nojumps): Cope
7637 with already adjacent blocks, but no fallthru.
7638 (merge_blocks_move_successor_nojumps): Simplify.
7639 (debug_flow_info): New.
7641 * toplev.c (rest_of_compilation): Open jump1 dump file before
7642 jump and close after, as opposed to just using dump_rtl.
7644 Wed Oct 27 03:09:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
7646 * reload.h (earlyclobber_operand_p): Declare.
7647 * reload.c (earlyclobber_operand_p): Don't declare. No longer static.
7648 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
7649 an earlyclobbered output conflict with RELOAD_INPUT reloads - handle
7650 case where the RELOAD_OTHER reload is new. Use earlyclobber_operand_p.
7652 Tue Oct 26 18:23:38 1999 Jan Hubicka <hubicka@freesoft.cz>
7653 Richard Henderson <rth@cygnus.com>
7655 * emit-rtl.c (emit_block_insn_before): New.
7656 (emit_block_insn_after): New.
7657 * basic-block.h: Declare them.
7659 * bitmap.h: Protect from multiple inclusion.
7661 * recog.c (scratch_operand): Handle VOIDmode correctly.
7663 * rtl.h (JUMP_CROSS_JUMP_DEATH_MATTERS): New.
7665 * builtins.c (expand_builtin_apply_args_1): Remove STACK_REGS hack.
7666 * function.c (assign_parms): Likewise.
7667 * global.c (global_conflicts): Clarify STACK_REGS commentary.
7669 * reg-stack.c (max_uid): Remove.
7670 (blocks, block_begin, block_end, block_drops_in): Remove.
7671 (block_stack_in, block_out_reg_set, block_number): Remove.
7672 (struct block_info_def, BLOCK_INFO): New.
7673 (enum emit_where): New.
7674 (current_block): New.
7675 (BLOCK_NUM): Remove.
7676 (mark_regs_pat, record_label_references): Remove.
7677 (record_reg_life_pat, record_reg_life, find_blocks): Remove.
7679 (goto_block_pat, print_blocks, dump_stack_info): Remove.
7680 (reg_to_stack): Simplified test for existance of fp code. Use
7681 flow.c code. Call shorten_branches after cross-jump opt.
7682 (check_asm_stack_operands): Renamed from record_asm_reg_life.
7683 Return false if the asm doesn't use stack regs. Don't do life
7684 analysis on the asm.
7685 (emit_pop_insn): Replace function pointer arg `when' with
7686 enum `where'. Update all callers.
7687 (change_stack): Likewise. Update basic block end.
7688 (emit_swap_insn): Use current_block->head to limit reverse search
7689 for start of block. Use emit_block_insn_after.
7690 (subst_stack_regs_pat): Handle USE and CLOBBER patterns.
7691 (subst_asm_stack_regs): Use check_asm_stack_operands. Use direct
7692 structure assignment instead of bcopy.
7694 (convert_regs_entry, convert_regs_exit): New.
7695 (convert_regs_1, convert_regs_2): Split out from convert_regs.
7696 Work on basic blocks and the CFG.
7697 (convert_regs): Use them.
7699 * i386.c (output_fix_trunc): Remove code for DImode input operand
7700 not at top-of-stack.
7701 * i386.c (fix_truncdfdi2, fix_truncsfdi2): Use scratch with
7703 (fix_truncdi_1): Allow any mode scratch.
7705 Tue Oct 26 13:30:35 1999 Richard Henderson <rth@cygnus.com>
7707 * alpha.h (TARGET_MEM_FUNCTIONS): Define here.
7708 * linux.h, netbsd.h, vms.h: Not here.
7710 1999-10-26 Gavin Romig-Koch <gavin@cygnus.com>
7712 * config/mips/mips.h (ISA_HAS_64BIT_REGS,ISA_HAS_BRANCHLIKELY,
7713 ISA_HAS_FP4,ISA_HAS_CONDMOVE): New.
7714 (GENERATE_BRANCHLIKELY,HAVE_SQRT_P,
7715 CONDITIONAL_REGISTER_USEAGE): Use them.
7716 * config/mips/mips.c (mips_move_1word,mips_move_2words,
7717 gen_conditional_branch,override_options) : Use them.
7718 * config/mips/mips.md : Use them.
7720 Tue Oct 26 13:09:23 1999 Richard Henderson <rth@cygnus.com>
7722 * i386.md (zero_extendqihi2): Use SImode register name with andl.
7724 Tue Oct 26 12:35:38 1999 Richard Henderson <rth@cygnus.com>
7726 * integrate.c (function_cannot_inline_p): Don't allow inlining
7729 Tue Oct 26 14:10:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7731 * c-parse.in (cast_expr): Constify.
7733 * cccp.c (special_symbol): Likewise.
7735 * cse.c (hash_cse_reg_info, cse_reg_info_equal_p): Likewise.
7737 * dwarf2out.c (base_type_die): Likewise.
7739 * global.c (allocno_compare): Likewise.
7741 * local-alloc.c (qty_compare_1, qty_sugg_compare_1): Likewise.
7743 * regclass.c (fix_register): Likewise.
7745 * rtl.h (fix_register): Likewise.
7747 * stupid.c (stupid_reg_compare): Likewise.
7749 * toplev.c (decode_f_option): Likewise.
7751 * tree.c (build_complex_type): Likewise.
7753 Tue Oct 26 18:35:25 1999 Richard Earnshaw <rearnsha@arm.com>
7755 * output.h: Don't unnecessarily conditionalize prototypes on TREE_CODE.
7757 Tue Oct 26 15:42:56 1999 Bernd Schmidt <bernds@cygnus.co.uk>
7759 * reload.c (find_reloads): Compute mode and nregs fields of all
7761 * reload1.c (calculate_needs_all_insns): Simplify a bit.
7762 (calculate_needs): Use precomputed mode/nregs values.
7763 (allocate_reload_reg): Likewise.
7765 (failed_reload, set_reload_reg): ... new functions.
7766 (choose_reload_regs_init): New function, mostly broken out from...
7767 (choose_reload_regs): ... here. Lose all the save_xxx nonsense.
7768 Also lose one #if 0 block.
7770 Tue Oct 26 02:48:32 1999 Marc Espie <espie@cvs.openbsd.org>
7772 * Makefile.in (AR_FOR_TARGET, RANLIB_FOR_TARGET): Fix target name
7775 Tue Oct 26 01:27:32 1999 Mark Mitchell <mark@codesourcery.com>
7777 * tree.h (BLOCK_TYPE_TAGS): Remove.
7778 (BLOCK_END_NOTE): Likewise.
7779 (BLOCK_LIVE_RANGE_FLAG): Likewise.
7780 (BLOCK_LIVE_RANGE_START): Likewise.
7781 (BLOCK_LIVE_RANGE_END): Likewise.
7782 (tree_block): Remove live_range_flag, live_range_var_flag, and
7783 type_tags. Remove end_note, live_range_start, and live_range_end.
7784 (remember_end_note): Remove prototype.
7785 * tree.c (build_block): Don't set BLOCK_TYPE_TAGS.
7786 * c-decl.c (poplevel): Don't set BLOCK_TYPE_TAGS or call
7788 * ggc-common.c (ggc_mark_tree_children): Don't mark
7789 BLOCK_TYPE_TAGS or BLOCK_END_NOTE.
7790 * integrate.c (adjust_copied_decl_tree): Remove.
7791 * print-tree.c (print_node): Don't print BLOCK_TYPE_TAGS.
7792 * stmt.c (last_block_end_note): Remove.
7793 (init_stmt): Don't add a GC root for it.
7794 (expand_fixup): Don't set it.
7795 (remember_end_note): Remove.
7796 (expand_end_bindings): Don't set last_block_end_note.
7798 Tue Oct 26 00:41:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
7800 * reload1.c (reload_reg_free_for_value_p): Show
7801 RELOAD_FOR_OTHER_ADDRESS reloads can conflict with RELOAD_OTHER
7804 Mon Oct 25 23:54:45 1999 Geoff Keating <geoffk@cygnus.com>
7806 * expmed.c (extract_bit_field): Allow for the case of non-integer
7807 objects that are smaller than a word (like SFmode on a 64-bit
7810 * loop.c (basic_induction_var): A non-integer variable which is
7811 being set by a paradoxical subreg is probably not a biv.
7813 1999-10-25 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7815 * prefix.c (translate_name) Check for empty prefix string.
7817 Mon Oct 25 23:10:45 1999 Andreas Schwab <schwab@suse.de>
7819 * Makefile.in (CPP_CROSS_NAME): New variable.
7820 (install-cpp): Use it instead of CPP_INSTALL_NAME for the cross
7822 (uninstall-cpp): Use CPP_INSTALL_NAME and CPP_CROSS_NAME for the
7823 names of the files to be uninstalled.
7825 Mon Oct 25 23:03:09 1999 Jeffrey A Law (law@cygnus.com)
7827 * collect2.c (IS_DIR_SEPARATOR): Define.
7828 (prefix_from_string): Use IS_DIR_SEPARATOR and DIR_SEPARATOR.
7830 * som.h (ASM_DECLARE_FUNCTION_NAME): Set PRIV_LEV for static
7833 * haifa-sched.c (add_dependence): Update the true dependency
7834 cache the first time we add a true dependence to the LOG_LINKS chain.
7836 Mon Oct 25 22:27:40 1999 Jim Kingdon <http://developer.redhat.com/>
7838 * fold-const.c (fold): Fix comment.
7840 Mon Oct 25 22:49:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7842 * dbxout.c (lastfile, cwd, dbxout_type_method_1,
7843 dbxout_symbol_location, dbxout_symbol_name, dbxout_init,
7844 dbxout_start_new_source_file, dbxout_source_file,
7845 dbxout_source_line, dbxout_finish, dbxout_type_fields,
7846 dbxout_type_methods, dbxout_symbol, dbxout_prepare_symbol):
7848 (dbxout_types, dbxout_args, dbxout_symbol): Delete prototypes.
7849 (dbxout_symbol): Mark parameter `local' with ATTRIBUTE_UNUSED.
7850 (dbxout_block): Initialize variable `blocknum'.
7852 * dbxout.h (dbxout_init, dbxout_finish,
7853 dbxout_start_new_source_file, dbxout_source_file, dbxout_types,
7854 dbxout_args, dbxout_source_line): Constify a char*.
7856 * dwarfout.c (dwarf_tag_name, dwarf_attr_name,
7857 dwarf_stack_op_name, dwarf_typemod_name, dwarf_fmt_byte_name,
7858 dwarf_fund_type_name, name_attribute, stmt_list_attribute,
7859 low_pc_attribute, high_pc_attribute, body_begin_attribute,
7860 body_end_attribute, comp_dir_attribute, sf_names_attribute,
7861 src_info_attribute, mac_info_attribute, producer_attribute,
7862 lookup_filename, generate_macinfo_entry, fundamental_type_code,
7863 dwarfout_line, dwarfout_start_new_source_file, dwarfout_define,
7864 dwarfout_undef): Constify a char*.
7865 (add_incomplete_type, retry_incomplete_types): Add prototypes.
7867 * dwarfout.h (dwarfout_define, dwarfout_undef,
7868 dwarfout_start_new_source_file, dwarfout_line): Constify a char*.
7870 1999-10-25 Gavin Romig-Koch <gavin@cygnus.com>
7872 * config/mips/mips.h (MIPS_ISA_DEFAULT): Insure it's defined.
7873 (MULTILIB_ISA_DEFAULT): New.
7874 (MULTILIB_DEFAULTS): Use it.
7875 * config/mips/mips.c (): Remove the now unnecessary definition
7876 of MIPS_ISA_DEFAULT.
7877 * config/mips/elf64.h (MULTILIB_DEFAULTS): Remove the now
7878 unnecessary definition.
7880 Mon Oct 25 22:08:35 1999 Richard Earnshaw (rearnsha@arm.com)
7882 * arm.md (pic_load_addr): Add constraints to operand 1.
7884 1999-10-25 Bruce Korb <autogen@linuxbox.com>
7886 * fixinc/genfixes: Provide a means for specifying -D options to
7889 Mon Oct 25 00:42:35 1999 Jeffrey A Law (law@cygnus.com)
7891 * arm.c (arm_override_options): Correct initialization of
7892 arm_fast_multiply, arm_arch4, arm_arch5, arm_ld_sched,
7893 arm_is_strong, and arm_is_6_or_7.
7895 * loop.c (note_set_pseudo_multiple_uses_retval): New variable.
7896 (note_set_pseudo_multiple_uses): New function.
7897 (check_dbra_loop): Use not_set_pseudo_multiple_uses to determine
7898 if a pseudo set in the loop exit is used elsewhere.
7900 Sun Oct 24 20:52:40 1999 Mark Mitchell <mark@codesourcery.com>
7902 * i386.md (mulsi3): Tweak to work with SCO OSR5 COFF assembler.
7904 Sun Oct 24 21:02:46 1999 Richard Henderson <rth@cygnus.com>
7906 * i386.md (*lea_0): Collapse addsi_0, addsi_lea_[123] into
7907 a single load-address pattern.
7909 Sun Oct 24 19:33:24 1999 Mark P. Mitchell <mark@codesourcery.com>
7911 * haifa-sched.c (schedule_insns): Don't assign LUIDs differently
7912 depending on whether or not line-number notes are present.
7914 Sun Oct 24 20:29:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7916 * cccp.c (progname, file_buf, default_include, include_file,
7917 macrodef, definition, hashval, wchar_type, user_label_prefix,
7918 directive, out_fname, if_stack, safe_write, index0, get_lintcmd,
7919 expand_to_temp_buffer, is_system_include, base_name,
7920 absolute_filename, read_name_map, open_include_file,
7921 record_control_macro, check_precompiled, check_preconditions,
7922 pcfinclude, pass_thru_directive, create_definition,
7923 check_macro_name, comp_def_part, collect_expansion,
7924 check_assertion, read_token_list, assertion_install,
7925 assertion_lookup, eval_if_expression, conditional_skip,
7926 validate_else, skip_quoted_string, quote_string, macarg1,
7927 error_from_errno, install, lookup, hashf, dump_defn_1,
7928 perror_with_name, pfatal_with_name, main, trigraph_pcp,
7929 check_white_space, rescan, handle_directive, monthnames,
7930 special_symbol, do_include, remap_include_file, write_output,
7931 arglist, do_assert, do_unassert, do_line, do_error, do_once,
7932 do_ident, do_sccs, do_xifdef, skip_if_group,
7933 output_line_directive, macroexpand, macarg, change_newlines,
7934 initialize_builtins, make_definition): Constify a char*.
7936 * pcp.h (stringdef): Likewise.
7938 Sun Oct 24 13:29:28 1999 Richard Henderson <rth@cygnus.com>
7940 * unroll.c (copy_loop_body): Examine SET_DEST of single_set
7943 Sun Oct 24 13:14:20 1999 Graham <grahams@rcp.co.uk>
7944 Richard Henderson <rth@cygnus.com>
7946 * alias.c: Include ggc.h.
7947 (reg_base_value, new_reg_base_value, reg_base_value_size): Make static.
7948 (record_set): Verify enough room in reg_base_value.
7949 (init_alias_analysis): Allocate reg_base_value with xcalloc.
7950 Register it as a GC root.
7951 (end_alias_analysis): Free reg_base_value. Remove it as a GC root.
7952 * Makefile.in (alias.o): Depend on ggc.h.
7954 * unroll.c (unroll_loop): Verify the insn before a barrier
7955 is a JUMP_INSN before checking JUMP_LABEL.
7957 Sun Oct 24 15:46:44 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7959 * mips/bsd-5.h (ASM_OUTPUT_ASCII): Constify a char*.
7960 * mips/iris4.h (ASM_OUTPUT_ASCII): Likewise.
7961 * mips/mips-5.h (ASM_OUTPUT_ASCII): Likewise.
7962 * mips/mips.h (ASM_OUTPUT_ASCII): Likewise.
7963 * mips/svr3-5.h (ASM_OUTPUT_ASCII): Likewise.
7964 * mips/svr4-5.h (ASM_OUTPUT_ASCII): Likewise.
7966 Sun Oct 24 15:35:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7968 * output.h (ctors_section, dtors_section, bss_section): Prototype.
7970 * alpha/alpha-interix.h (text_section): Delete prototype.
7971 * alpha/elf.h (text_section): Likewise.
7972 * arm/linux-elf.h (text_section): Likewise.
7973 * arm/linux-telf.h (text_section): Likewise.
7974 * c4x/c4x.h (text_section): Likewise.
7975 * dsp16xx/dsp16xx.h (bss_section): Likewise.
7976 * elfos.h (text_section): Likewise.
7977 * i386/aix386ng.h (text_section): Likewise.
7978 * i386/i386-interix.h (text_section): Likewise.
7979 * i386/sco5.h (text_section): Likewise.
7980 * i386/svr3gas.h (text_section): Likewise.
7981 * nextstep.h (text_section): Likewise.
7982 * psos.h (text_section): Likewise.
7983 * ptx4.h (text_section): Likewise.
7984 * svr3.h (text_section): Likewise.
7985 * svr4.h (text_section, ctors_section, dtors_section): Likewise.
7987 Sun Oct 24 15:20:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7989 * final.c (peephole): Delete prototype.
7991 * gcse.c (process_insert_insn, pre_edge_insert): Add prototypes.
7992 (pre_insert_copies): Remove unused variable `bb'.
7994 * genrecog.c (debug_decision_0, debug_decision_list, main): Add
7997 * output.h (peephole): Add prototype.
7999 Sun Oct 24 11:35:30 1999 Mark P. Mitchell <mark@codesourcery.com>
8001 * config/mips/iris6.h (SUBTARGET_ASM_OPTIMIZING_SPEC): Define to
8004 Sat Oct 23 21:13:00 1999 Mark Mitchell <mark@codesourcery.com>
8006 * integrate.c (integrate_decl_tree): Tweak setting of DECL_CONTEXT
8007 for inlined declarations.
8009 Fri Oct 22 18:05:43 1999 Jeffrey A Law (law@cygnus.com)
8011 * arm.c (logical_binary_operator): New fucntion.
8012 * arm.h (logical_binary_operator): Declare it.
8013 (PREDICATE_CODES): Handle logical_binary_operator.
8014 * arm.md (anddi3, anddi_zesidi_di, anddi_sesdi_di): Use "#" for
8015 output constraints. Add appropriate splitters.
8016 (anddi_notdi_di, anddi_notzesidi_di, anddi_notsesidi_di): Likewise.
8017 (iordi3, iordi_zesidi_di, iordi_sesidi_di): Likewise.
8018 (xordi3, xordi_zesidi_di, xordi_sesidi_di): Likewise.
8020 Fri Oct 22 23:46:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8022 * genoutput.c (struct operand_data): New elt eliminable.
8023 (output_operand_data): Write it.
8024 (scan_operands): Set it for MATCH_OPERAND, clear for other matchers.
8025 (compare_operands): Take it into account.
8026 * recog.h (struct insn_operand_data): New elt eliminable.
8027 * reload1.c (check_eliminable_occurrences, elimination_effects): New
8029 (old_asm_operands_vec, new_asm_operands_vec): Delete.
8030 (eliminate_regs): Move code that detects changes to elimination
8031 target regs into new function elimination_effects.
8032 Delete one #if 0 block.
8033 Abort for USE, CLOBBER, ASM_OPERANDS and SET.
8034 (eliminate_regs_in_insn): Return immediately for USEs, CLOBBERs,
8035 ADDR_VECs, ADDR_DIFF_VECs and ASM_INPUTs.
8036 Only call eliminate_regs for real operands of the insn, not for parts
8037 of its structure or parts matched by things like match_operator.
8038 Use elimination_effects and check_eliminable_occurrences. Use
8039 copy_insn to duplicate the pattern when not in the final pass.
8041 Fri Oct 22 09:03:44 1999 Mark Mitchell <mark@codesourcery.com>
8043 * i386.md: Add missing `y' modifiers to uses of fst, fstp, fld,
8046 1999-10-22 Bruce Korb <autogen@linuxbox.com>
8048 * fixinc/README: document the "mach" machine matching test
8049 * fixinc/fixfixes.c: Implement the #else/#endif label fix
8050 * fixinc/fixtests.c: Implement the #else/#endif label test
8051 * fixinc/inclhack.def: utilize these tests and fixes
8052 * fixinc/inclhack.sh: regen
8053 * fixinc/fixincl.x: regen
8054 * fixinc/fixincl.sh: regen
8056 Thu Oct 21 20:37:19 1999 Jeffrey A Law (law@cygnus.com)
8058 * Makefile.in (cse.o): Depend on hashtab.h, not splay-tree.h. Also
8061 Thu Oct 21 20:30:19 1999 Matthias Klose <doko@debian.org>
8063 * gcc.1: Document exit codes.
8065 Thu Oct 21 12:49:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8067 * calls.c: Include tm_p.h later, so everything we need is defined.
8069 * function.c: Likewise.
8071 * except.c: Include tm_p.h.
8073 * sparc.c: Likewise.
8074 (dwarf2out_cfi_label): Don't prototype.
8075 (check_return_regs, epilogue_renumber,
8076 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
8077 ultra_find_type, ultra_build_types_avail, ultra_flush_pipeline,
8078 ultra_rescan_pipeline_state, set_extends, ultra_code_from_mask,
8079 ultra_schedule_insn): Add static prototype.
8080 (data_segment_operand, text_segment_operand): Call itself with the
8081 proper number of arguments.
8082 (sparc_flat_save_restore, sparc_v8plus_shift): Constify a char*.
8084 * sparc.h: Move all declarations to sparc-protos.h.
8085 (SELECT_RTX_SECTION): Pass a missing MODE argument to
8088 * sparc/sysv4.h (SELECT_RTX_SECTION): Likewise.
8090 * config/svr4.h (text_section, ctors_section, dtors_section): Add
8092 (ASM_OUTPUT_SECTION_NAME, UNIQUE_SECTION,
8093 ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
8094 ASM_OUTPUT_ASCII): Constify a char*.
8096 * sparc-protos.h: New file for sparc prototypes.
8098 Thu Oct 21 12:23:40 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8100 * function.c (record_insns, contains): Always declare and define.
8101 (record_insns): Mark with ATTRIBUTE_UNUSED.
8103 Thu Oct 21 13:03:49 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
8105 * config/arm/telf.h (ASM_OUTPUT_SECTION_NAME): Add %nobits option
8106 to .section when outputting a .bss section to deal with multiple
8107 .bss input sections (as happens with -fdata-sections)
8108 Also output %progbits, not @progbits so the assembler doesn't treat as
8110 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Likewise
8112 * config/arm/lib1funcs.asm (_call_via_rX): Allow compilation of
8113 thumb parts even when building with non-thumb CPUs, by forcing
8116 Wed Oct 20 22:57:58 1999 Jeffrey A Law (law@cygnus.com)
8118 * sparc.md (movsf_const_intreg): If splitting, length must be > 1.
8119 (movdf_const_intreg_sp64): Similarly.
8121 * local-alloc.c (update_equiv_regs): Check the correct insn
8122 for pre-existing REG_EQUIV notes.
8124 Wed Oct 20 20:41:46 1999 Mark Mitchell <mark@codesourcery.com>
8126 * cse.c (cse_end_of_basic_block): Don't return the end of a basic
8127 block reached by a branch if we're not going to actually process
8130 Wed Oct 20 15:18:42 1999 Jim Wilson <wilson@cygnus.com>
8132 * integrate.c (integrate_decl_tree): Set DECL_CONTEXT to 0 if this is
8133 a local extern function declaration.
8135 Wed Oct 20 13:56:01 1999 Richard Henderson <rth@cygnus.com>
8137 * i386.c (ix86_expand_prologue): Properly wrap USE around
8138 reg for CALL_INSN_FUNCTION_USAGE.
8140 Thu Oct 14 18:51:37 1999 Andrew Haley <aph@cygnus.com>
8142 * config/mips/mips.md (movdf_internal1a): Allow floating-point
8143 move between GP_REGs.
8145 Wed Oct 20 15:36:11 1999 Andrew Haley <aph@cygnus.com>
8147 * config/arm/thumb.h (GO_IF_LEGITIMATE_ADDRESS): Take account of
8148 the mode size when finding out if an offset is legal.
8150 Wed Oct 20 06:26:58 1999 Richard Henderson <rth@cygnus.com>
8152 * basic-block.h (PROP_*): Move constants from ...
8154 (compute_bb_for_insn): Free the array before reallocating.
8155 (update_life_info): New arg PROP_FLAGS; pass on to propagate_block.
8156 (allocate_reg_life_data): Reset all reg variables collected by
8158 (get_block_head_tail): Don't convert from bb to block.
8159 (get_bb_head_tail): New. Update all callers of get_block_head_tail.
8160 (find_insn_reg_weight): Take block not bb.
8161 (schedule_block): Don't set block num for moved insns.
8162 (schedule_region): Don't update_life_info or find_insn_reg_weight.
8163 (schedule_insns): Do it here instead.
8164 * combine.c (combine_instructions): Invoke compute_bb_for_insn
8165 before update_life_info.
8166 * recog.c (split_all_insns, peephole2_optimize): Update for
8167 new arg to update_life_info.
8168 * rtlanal.c (remove_note): Cope with NULL note.
8169 * toplev.c (rest_of_compilation): Don't invoke recompute_reg_usage
8172 Wed Oct 20 10:46:41 1999 Richard Earnshaw (rearnsha@arm.com)
8174 * jump.c (jump_optimize_1): More accurately detect casesi insns.
8176 * flow.c (merge_blocks_move_predecessor_nojumps): Re-order the basic
8177 block records so that merge_blocks_nomove will clean up correctly.
8178 (split_edge): Handle casesi insns.
8180 * gcc-page.c: Try MAP_ANON if we don't have MAP_ANONYMOUS.
8182 Tue Oct 19 23:43:50 1999 Jeffrey A Law (law@cygnus.com)
8184 * pa.md (call, call_value): Do not emit a blockage after restoring
8187 Tue Oct 19 17:22:39 1999 Mark Mitchell <mark@codesourcery.com>
8189 * c-typeck.c (c_expand_asm_operands): Fix typo.
8191 Tue Oct 19 18:42:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8193 * arm.c (fpu_rhs_operand): Verify modes.
8194 (fpu_add_operand): Likewise.
8195 (di_operand): Likewise.
8196 (soft_df_operand): Likewise.
8198 Tue Oct 19 15:26:11 1999 Richard Earnshaw (rearnsha@arm.com)
8200 * arm.c (arm_return_in_memory): APCS rules state that the elements
8201 of a structure returned in a register must be 'integer-like'.
8203 1999-10-19 Bruce Korb <autogen@linuxbox.com>
8205 * fixinc/Makefile.in: Change the generation rules to run `genfixes'
8206 in the source tree when the generated targets are out of date
8207 * fixinc/genfixes: Alter it to run individual fixes for make.
8208 * fixinc/README: rewrite
8209 * fixinc/inclhack.def: moved initial comments to README
8211 Tue Oct 19 14:01:34 1999 Nick Clifton <nickc@cygnus.com>
8213 * toplev.c (main): Do not generate an error message if an
8214 unrecognised command line switch is recognisable by another
8215 language. If extra_warnings are enabled, then generate a
8216 warning message instead.
8218 Tue Oct 19 11:41:12 1999 Mumit Khan <khan@xraylith.wisc.edu>
8220 * c-pragma.h (PRAGMA_INSERT_ATTRIBUTES): Delete macro.
8221 (insert_pack_attributes): Delete prototype.
8223 * c-pragma.c (default_alignment): New static variable.
8224 (push_alignment): Initialize to current effective alignment.
8225 (pop_alignment): Use to set new alignment.
8226 (insert_pack_attributes): Delete function.
8227 (handle_pragma_token): Set default_alignment as well each time
8228 a #pragma pack(<n>) is encountered.
8230 Tue Oct 19 02:03:00 1999 Jeffrey A Law (law@cygnus.com)
8232 * reg-stack.c (stack_result): Aggregates are not returned in
8235 Tue Oct 19 01:26:48 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
8237 * fold-const.c (fold): Fix thinko in x+(-0) -> x transformation.
8239 Mon Oct 18 15:19:41 1999 Richard Henderson <rth@cygnus.com>
8241 * basic-block.h (set_block_num): Declare.
8242 * flow.c (update_life_info): Don't call compute_bb_for_insn
8243 or free_basic_block_vars.
8244 * haifa-sched.c (remove_dependence): Conditionalize on HAVE_cc0.
8245 (insn_orig_block): Remove.
8246 (INSN_BLOCK): Remove. Update all callers to use BLOCK_NUM.
8247 (schedule_block): Keep BLOCK_NUM up-to-date.
8248 (schedule_insns): Use compute_bb_for_insn.
8249 * recog.c (split_all_insns): Likewise.
8250 (peephole2_optimize): Likewise.
8252 Mon Oct 18 18:50:51 1999 Andreas Schwab <schwab@suse.de>
8254 * config/m68k/m68k.h (INITIAL_FRAME_POINTER_OFFSET): Add one word
8255 if the pic register is used.
8257 Mon Oct 18 02:38:46 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8259 * c-decl.c (pushdecl): Use TYPE_CONTEXT rather than TREE_PERMANENT.
8260 (finish_decl): Duplicate test for TREE_ASM_WRITTEN in else branch of
8261 if that tests TREE_PERMANENT.
8263 Mon Oct 18 01:41:35 1999 Jeffrey A Law (law@cygnus.com)
8265 * cse.c (invalidate_for_call): Do not remove memory references from
8266 the table here. It's handled elsewhere.
8268 * haifa-sched.c (add_dependence): Protect references to the
8269 true dependency cache with #ifdef INSN_SCHEDULING.
8270 (remove_dependence): Similarly.
8272 * mn10200.md (outline_epilogue_jump): Embed a (return) to indicate
8273 to the cfg code that this is a return instruction.
8274 * mn10300.md (return_internal): Similarly.
8276 * combine.c (get_last_value): If the last set of a register
8277 is after subst_low_cuid, then we can not use it to determine
8278 the register's last value.
8280 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
8282 * Makefile.in: Back out previous change.
8284 Sun Oct 17 15:22:50 1999 Jeffrey A Law (law@cygnus.com)
8286 * pa.c (move_operand): Reject (lo_sum (reg) (unspec ...)).
8288 * haifa-sched.c (add_dependence): Only check/update the cache
8290 (remove_dependence): Likewise.
8291 (schedule_insns): Only create the true_dependency_cache if the
8292 average number of instructions in a basic block is very large.
8294 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
8296 * Makefile.in (ggc-common.o): Depend on genrtl.h.
8297 (ggc-simple.o): Likewise.
8298 (ggc-page.o): Likewise.
8300 Sun Oct 17 02:09:50 1999 Andrew MacLeod <amacleod@cygnus.com>
8302 * basic-block.h (pre_edge_lcm, pre_edge_rev_lcm, compute_available):
8303 Prototype for exported functions.
8304 (pre_lcm, pre_rev_lcm): Remove prototypes.
8305 * gcse.c (compute_ae_kill): Add ae_gen and ae_kill as parameters.
8306 (compute_available): Move to lcm.c, and change parameter order.
8307 (one_classic_gcse_pass): Call compute_ae_kill with parameters.
8308 (pre_insert, s_preds, s_succs, num_preds, num_succs): Delete.
8309 (gcse_main): No longer call compute_preds_succs. Rebuild the
8310 set table after reach pre pass.
8311 (pre_insert_map, pre_delete_map, edge_list): New.
8312 (alloc_pre_mem): Allocate edge vectors.
8313 (free_pre_mem): Delete edge vectors.
8314 (compute_pre_data): Call new edge based lcm routines.
8315 (process_insert_insn): New function.
8316 (insert_insn_end_bb): Use it.
8317 (pre_edge_insert): New function.
8318 (pre_insert_copy_insn): Formatting fixes. Update BLOCK_END as
8320 (pre_insert_copies): Revamp using new edge based lcm outputs.
8321 (pre_delete): Likewise.
8322 (one_pre_gcse_pass): Insert & remove fake edges to the exit
8324 (compute_code_hoist_vbeinout): New new edge based routines.
8325 * lcm.c: Remove all the old LCM functions. Replace with new ones
8326 that work with the new cfg datastructures and work with edges
8329 Sun Oct 17 00:44:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8331 * reload.h (struct reload): Add new fields "mode" and "nregs".
8332 * reload1.c: Change all occurrences of reload_mode and reload_nregs
8333 to reference the "mode" and "nregs" field within struct reload.
8335 Sat Oct 16 21:50:28 1999 Jeffrey A Law (law@cygnus.com)
8337 * haifa-sched.c (true_dependency_cache): New.
8338 (add_dependence): Use the true dependency cache to avoid expensive
8339 walks down the LOG_LINKS dependency list. Add entries to the
8341 (remove_dependence): Remove entries from the true dependency cache
8343 (schedule_insns): Allocate and initialize and free the true
8346 * haifa-sched.c (schedule_insns): Do not remove inter-block
8347 dependencies anymore.
8349 Sat Oct 16 11:19:52 1999 Richard Henderson <rth@cygnus.com>
8351 * i386/t-cygwin (winnt.o): Depend on RTL_H and TREE_H.
8352 * i386/t-winnt: Likewise.
8354 Sat Oct 16 11:11:54 1999 Richard Henderson <rth@cygnus.com>
8356 * ggc-page.c (init_ggc): Work around SunOS unaligned mmap bug.
8358 1999-10-16 Manfred Hollstein <mhollstein@cygnus.com>
8360 * Makefile.in (LANGUAGES): Omit "proto".
8361 (clean): Remove stale comment about removing unprotoize.c.
8363 Sat Oct 16 11:29:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8365 * protoize.c (safe_read, safe_write): Avoid the gcc extension of
8366 using arithmetic on void pointers.
8368 Sat Oct 16 02:48:22 1999 Jeffrey A Law (law@cygnus.com)
8370 * haifa-sched.c (compute_block_forward_dependencies): Only check
8371 for notes, deleted insns and duplicates if ENABLE_CHECKING is defined.
8373 Sat Oct 16 00:07:01 1999 Richard Henderson <rth@cygnus.com>
8375 * gcse.c (hash_expr_1): Add in MEM_ALIAS_SET.
8376 (expr_equiv_p): Reject memories with different alias sets.
8378 Fri Oct 15 15:17:29 1999 Greg McGary <gkm@gnu.org>
8380 * flags.h (flag_bounds_check, flag_bounded_pointers): New extern decls.
8381 * toplev.c (flag_bounds_check, flag_bounded_pointers): New flags.
8382 (f_options): Add "bounded-pointers" and "bounds-check" entries.
8383 * c-lang.c (lang_init_options): Set flag_bounds_check as "unspecified".
8384 (lang_init): Set default for flag_bounds_check if still "unspecified".
8386 Sat Oct 16 13:42:29 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8388 * config/c4x/c4x.md (HF mode patterns): Add missing modes.
8390 Sat Oct 16 13:37:46 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8392 * config/c4x/c4x.md (movstrqi_small): Utilise parallel move
8395 Sat Oct 16 13:26:47 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8397 * config/c4x/c4x.md (*db_noclobber,
8398 *decrement_and_branch_until_zero_noclobber): New patterns and
8399 associated splitters.
8401 Sat Oct 16 13:13:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8403 * config/c4x/c4x.md (parallel instruction patterns): Rework
8404 constraints to keep reload happy.
8406 Sat Oct 16 13:03:16 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8408 * config/c4x/c4x.md (*absqi2_noclobber, *negqi2_noclobber,
8409 *one_cmplqi2_noclobber, *subqi3_noclobber, *andqi3_255_noclobber,
8410 *andqi3_65535_noclobber, *andnqi3_noclobber, *xorqi3_noclobber):
8411 Add new patterns and associated post-reload splitters.
8413 Sat Oct 16 12:42:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8415 * config/c4x/c4x.c (c4x_emit_libcall): Use ggc_alloc_string.
8417 Sat Oct 16 12:34:44 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8419 * config/c4x/c4x.c (c4x_rptb_insert): Emit rpts_top pattern
8421 * config/c4x/c4x.md (rpts_top): New pattern and splitter.
8423 Sat Oct 16 12:26:30 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8425 * config/c4x/c4x.c (src_operand): Check SYMBOL_REF and LABEL_REF
8428 Fri Oct 15 17:02:09 1999 Jeffrey A Law (law@cygnus.com)
8430 * pa.c (move_operand): Rely on memory_address_p to determine the
8431 validity of non-indexed memory addresses.
8432 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow LO_SUM with a symbolic
8433 operand in DFmode and SFmode when generating PA2.0 code.
8435 Fri Oct 15 14:25:19 1999 Richard Henderson <rth@cygnus.com>
8437 * print-rtl.c (print_rtx): Limit last 'u' change to LABEL_REF.
8439 Fri Oct 15 13:48:45 1999 Richard Henderson <rth@cygnus.com>
8441 * mips.c (function_prologue): Fix argument types.
8442 * mips.md (casesi): Use emit_jump_insn for casesi_internal.
8443 (casesi_internal): Write to the scratch register.
8445 1999-10-15 11:16 -0700 Zack Weinberg <zack@bitmover.com>
8447 * cppexp.c (cpp_parse_escape): Make static. Change second arg
8449 (parse_charconst): Delete unnecessary cast when calling
8451 (cpplib.h): Kill prototype of cpp_parse_escape.
8453 Fri Oct 15 11:02:46 1999 Richard Henderson <rth@cygnus.com>
8455 Based on patch from Michael Gschwind <mikeg@watson.ibm.com>:
8456 * unroll.c (unroll_loop): Cast return value of alloca.
8457 * i370/i370.c: Include function.h and toplev.h.
8458 (i370_label_scan): Remove c++ commented abort.
8459 * i370/i370.h (HANDLE_PRAGMA): Takes three arguments.
8460 (ASM_OUTPUT_LABELREF): Fix TOUPPER/else broken 16 Sept.
8461 * i370/xm-i370.h (HOST_BITS_PER_LONGLONG): Define.
8462 * i370/xm-mvs.h, i370/xm-oe.h: Likewise.
8464 Fri Oct 15 03:01:01 1999 Loren Rittle <ljrittle@acm.org>
8466 * config/t-freebsd: Do not override USER_H.
8467 * ginclude/stddef.h: Generalize check for _MACHINE_ANSI_H_.
8469 Fri Oct 15 02:37:28 1999 Alastair J. Houghton <ajh8@doc.ic.ac.uk>
8470 Mumit Khan <khan@xraylith.wisc.edu>
8472 * c-parse.in (component_decl): Support anonymous struct/union.
8474 * c-parse.y: Regenerate.
8475 * c-parse.c: Likewise.
8476 * objc/objc-parse.y: Likewise.
8477 * objc/objc-parse.c: Likewise.
8478 * c-decl.c (finish_struct): Don't sort the fields.
8479 (field_decl_cmp): Delete unused function.
8481 Fri Oct 15 01:20:52 1999 Richard Henderson <rth@cygnus.com>
8483 * sparc.md (movsf_const_intreg): Revert last constraint change.
8484 (movdf_const_intreg_sp32): Likewise.
8486 Fri Oct 15 01:47:51 1999 Vladimir Makarov <vmakarov@loony.cygnus.com>
8488 * cse.c: Include hashtab.h instead of splay-tree.h
8489 (struct cse_reg_info): No longer use variant union. Add new
8490 field "regno". All references changed to avoid union.
8491 (cse_reg_info_used_list, cse_reg_info_used_list_end): New variables.
8492 (free_cse_reg_info): Remove.
8493 (hash_cse_reg_info, cse_reg_info_equal_p): New functions.
8494 (get_cse_reg_info): Revamp to use expandable hash tables instead
8495 of splay trees. Initialize new fields in cse_reg_info structure.
8496 (new_basic_block): Similarly.
8498 Thu Oct 14 23:51:56 1999 Richard Henderson <rth@cygnus.com>
8500 * genrecog.c (message_with_line): Prototype.
8501 (validate_pattern): Pass along the set for the dest, not a flag.
8502 Fix non-lvalue message. Don't warn for VOIDmode SET_DEST of CALL.
8503 Check for PC/CC0 as sources.
8504 (nodes_identical): Check for children position match before
8505 allowing the combination.
8507 * rtl.c (read_rtx): Track line number across \\\n.
8509 Thu Oct 14 23:50:25 1999 Richard Henderson <rth@cygnus.com>
8511 * mips.h (SPECIAL_MODE_PREDICATES): New.
8512 * mips.md (*) Use nonimmediate_operand not general_operand for outputs.
8513 (movdi+1, movsi+1): Add output reload constraint.
8514 (casesi_internal): Likewise. Fix commentary.
8515 (return_internal): Use pmode_register_operand.
8517 Thu Oct 14 23:19:34 1999 Richard Henderson <rth@cygnus.com>
8519 * 1750a.md (movstrqi): Add missing output reload constraint.
8520 (call_value): Likewise.
8521 * a29k.md (cpxxx patterns): Add missing match_operator mode.
8522 (jmpfdec): Add missing inout reload constraint.
8523 * elxsi.md (addsi patterns): Add missing output reload constraint.
8524 (move from sp): Use @ alternates.
8525 (call_value): No constraint on output.
8526 * fr30.md (movsi_pop): Add missing output reload constraint.
8527 (movsf_constant_store): Likewise.
8528 (splits): Remove constraints.
8529 (subsi3): Add missing mode.
8530 * i370.md (cmpstrsi+1): Add missing output reload constraint.
8531 (call_value): Likewise.
8532 * i960.md (cmpinc/cmpdec patterns): Add inout reload constraints.
8533 * m32r.h (PREDICATE_CODES): Add seth_add3_operand.
8534 * m32r.md (movsicc_internal): Add output reload constraint.
8535 (movstrsi_internal): Add inout reload constraints.
8536 * m88k.h (reg_names): Don't declare.
8537 (SPECIAL_MODE_PREDICATES): New.
8538 * m88k.md (*): Use register_operand not reg_or_0_operand
8540 * mn10200.h (PREDICATE_CODES): New.
8541 * ns32k.md (ffs pattern): Add output reload constraint.
8542 * pdp11.md (sob pattern): Add inout reload constraint.
8543 * sh.md (splits): Remove constraints.
8544 (indirect_jump_scratch, fpu_switch): Add output reload constraint.
8545 * v850.md (pattern_is_ok_for_epilogue): Likewise.
8546 * vax.md (jgequ pattern): Add inout reload constraint.
8548 Fri Oct 15 00:05:00 1999 Jeffrey A Law (law@cygnus.com)
8550 * configure.in (djgpp): Revert previous patch.
8551 * configure: Rebuit.
8552 * config/i386/djgpp.h: Revert previous patch.
8554 Fri Oct 15 00:00:24 1999 Loren J. Rittle <ljrittle@acm.org>
8556 * fixinc/inclhack.def: Restore patch lost during last merge of
8557 "no_bogosity" branch.
8558 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
8560 Thu Oct 14 23:57:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
8562 * fixincludes: Add a HPUX 11 fix for inttypes.h.
8563 * fixinc/inclhack.def: Same.
8564 * fixinc/inclhack.sh, fixinc/fixincl.sh, fixinc/fixincl.x: Regenerate.
8566 Thu Oct 14 22:51:55 1999 Richard Henderson <rth@cygnus.com>
8568 * alpha.h (GO_IF_LEGITIMATE_SIMPLE_ADDRESS): Accept ADDRESSOF
8569 as the base of a PLUS.
8571 Fri Oct 15 18:36:07 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8573 * config/c4x/c4x.md: Define mode for remaining unspec operators.
8574 * config/c4x/c4x.c (dst_operand): Use nonimmediate_operand.
8576 Thu Oct 14 22:14:23 1999 Richard Henderson <rth@cygnus.com>
8578 * pa.md (post_stw+1): Use pmode_register_operand.
8579 (dcacheflush, icacheflush): Likewise.
8581 * i386.md (movstricthi_1): Allow r/r.
8583 Thu Oct 14 19:44:08 1999 Jan Hubicka <hubicka@freesoft.cz>
8585 * fold-const.c (fold): Convert (or (not arg0) (not arg1))
8586 to (not (and (arg0) (arg1))). Similary for and.
8588 * fold-const.c (fold): Move bit_rotate code to the EXPR_PLUS case,
8589 fallthrough to associate code.
8590 Convert XOR to OR in code like (a&c1)^(a&c2) where c1 and c2 don't have
8593 * combine.c (simplify_logical): Convert XOR to IOR if operands have
8594 no bits in common; remove XOR to ROTATE conversion.
8596 Fri Oct 15 17:40:11 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8598 * config/c4x/c4x.h (c4x_va_start, c4x_va_arg): Declare.
8600 Fri Oct 15 17:27:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8602 * config/c4x/c4x.c (dst_operand): New.
8603 (PREDICATE_CODES): Update.
8604 * config/c4x/c4x.h (dst_operand): Declare it.
8605 * config/c4x/c4x.md: Define mode for each unspec usage.
8606 (move patterns): Use dst_operand predicate instead of src_operand.
8607 (movqi_update, movqf_update): Delete.
8609 Thu Oct 14 18:48:54 1999 Richard Henderson <rth@cygnus.com>
8611 * recog.c (pmode_register_operand): New.
8612 * recog.h: Declare it.
8613 * genrecog.c (pred_codes): Likewise.
8614 (special_mode_pred_table): Likewise.
8615 (validate_pattern): Don't warn no mode for address_operand.
8617 * print-rtl.c (print_rtx) [LABEL_REF]: Only do full subexpression
8618 if the operand is not insn-like.
8620 Thu Oct 14 19:38:42 1999 Jeffrey A Law (law@cygnus.com)
8621 Sylvian Pion <Sylvain.Pion@sophia.inria.fr>
8623 * fold-const.c (fold): Handle more simplifications allowed by IEEE.
8625 Thu Oct 14 17:30:14 1999 Richard Henderson <rth@cygnus.com>
8627 * sparc.md (*): Use {nonimmediate,register}_operand as appropriate
8628 instead of general_operand in a SET_DEST. Use const_double_operand
8629 instead of an explicit test against CONST_DOUBLE.
8630 (movsf_const_lo): Add missing register mode.
8631 (goto_handler_and_restore): Add auxiliary test for Pmode.
8632 (flush): Adjust to use address_operand.
8633 (return_sf_no_fpu): Add missing output constraint.
8635 Thu Oct 14 17:21:26 1999 Richard Henderson <rth@cygnus.com>
8637 * rs6000.md (call_value_indirect_aix32): Use wildcard match_operand
8638 for call return value.
8639 (call_value_indirect_aix64, call_value_indirect_nt): Likewise.
8641 Thu Oct 14 13:54:25 1999 Jason Merrill <jason@yorick.cygnus.com>
8643 * toplev.c (main): Only warn about options for other languages.
8644 * collect2.c (main): Pass -w to sub-gcc.
8646 Thu Oct 14 16:27:50 1999 Richard Henderson <rth@cygnus.com>
8648 * flow.c (propagate_block): Add call-clobbered registers to
8651 * flow.c (propagate_block): Use free_EXPR_LIST_list instead of
8652 zapping mem_set_list.
8653 (invalidate_mems_from_autoinc): Use free_EXPR_LIST_node.
8654 (mark_set_1, mark_used_regs): Likewise.
8656 Thu Oct 14 10:51:49 1999 Richard Henderson <rth@cygnus.com>
8658 * m68k.md (zero_extendsidi2): Add missing output reload constraint.
8660 Wed Oct 13 00:09:18 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8662 * invoke.texi: Label -Wbad-function-cast, -Wmissing-prototypes,
8663 -Wnested-externs, -Wstrict-prototypes, and -Wtraditional as C only
8664 options. Also add a new item "C-only Warning Options" to the
8667 1999-10-14 Gavin Romig-Koch <gavin@cygnus.com>
8669 * libgcc2.c (__do_global_dtors): Protect __deregister_frame_info
8670 from multiple calls.
8672 Thu Oct 14 04:54:54 1999 Richard Henderson <rth@cygnus.com>
8674 * i386.md (call value patterns): Move to the end of the file.
8675 (prologue_set_got, prologue_get_pc): Use register_operand for op 0.
8677 1999-10-14 Mark Elbrecht <snowball3@bigfoot.com>
8679 * configure.in (djgpp configuration): Define extra_objects..
8680 * configure: Rebuilt.
8681 * config/i386/djgpp.h (CTORS_SECTION_ASM_OP): Define.
8682 (DTORS_SECTION_ASM_OP): Define.
8683 (INIT_SECTION_ASM_OP): Define.
8684 (FINI_SECTION_ASM_OP): Define.
8685 (DATA_SECTION_ASM_OP): Define.
8686 (TEXT_SECTION_ASM_OP): Define.
8687 (EH_FRAME_SECTION_ASM_OP): Define.
8688 (LINK_COMMAND_SPEC): Remove -Tdjgpp.djl.
8689 (STARTFILE_SPEC): Add crtbegin.o.
8690 (ENDFILE_SPEC): Define and add crtend.o. Move argument -Tdjgpp.djl
8691 to here from LINK_COMMAND_SPEC.
8692 (DO_GLOBAL_CTORS_BODY): Define.
8693 (CRTSTUFF_USE_FINI_SECTION): Define
8694 (HAS_INIT_SECTION): Delete.
8696 Thu Oct 14 05:08:14 1999 Andreas Schwab <schwab@suse.de>
8698 * Makefile.in (all.cross): Depend on xcpp$(exeext).
8700 Thu Oct 14 04:00:40 1999 Richard Henderson <rth@cygnus.com>
8702 * pa.h (PREDICATE_CODES): New.
8704 * genrecog.c (validate_pattern): Condense the destination
8707 Thu Oct 14 03:23:08 1999 Richard Henderson <rth@cygnus.com>
8709 * alpha.md (call-1): Supply missing mode for operator.
8710 (*): Add missing output reload constraints. Remove constraints
8713 * i386.h (SPECIAL_MODE_PREDICATES): New.
8714 * i386.md (movstricthi_1): Use nonimmediate_operand for op 0.
8715 (movqi_1, movdi_1, movdi_2, some splits): Likewise.
8716 (addsi_lea_3): Add missing mode for op 3.
8717 (prologue_set_got, prologue_get_pc): Add missing modes.
8718 (*) Add missing output reload constraints.
8720 Thu Oct 14 03:59:57 1999 Stephane Carrez <stcarrez@worldnet.fr>
8722 * stor-layout.c (layout_union): Use HOST_WIDE_INT for const_size;
8723 check for member bit-size overflow and use var_size if it occurs.
8724 (layout_record): Use bitsize_int() to define the type size in bits.
8725 Likewise for computation and assignment to DECL_FIELD_BITPOS.
8726 (layout_decl): Likewise when assigning to DECL_SIZE.
8728 Thu Oct 14 02:57:05 1999 Richard Henderson <rth@cygnus.com>
8730 * genrecog.c (validate_pattern): Typo last change. Verify
8731 that output operands have output reloads.
8733 Thu Oct 14 01:49:54 1999 Richard Henderson <rth@cygnus.com>
8735 * genrecog.c (special_mode_pred_table): New.
8736 (NUM_SPECIAL_MODE_PREDS): New.
8737 (find_operand): New.
8738 (validate_pattern): New argument `insn'. Warn for assignment to
8739 any predicate accepting non-lvalues. Conditionaly warn for
8740 match_operand without a mode. Try much harder to match source
8741 and destination modes on a set.
8742 * tm.texi (SPECIAL_MODE_PREDICATES): Document.
8744 Thu Oct 14 02:54:13 1999 Jeffrey A Law (law@cygnus.com)
8746 * fold-const.c (fold): Detect rotates built from BIT_XOR_EXPRs.
8748 Thu Oct 14 02:18:19 1999 Marc Espie <espie@cvs.openbsd.org>
8750 * combine.c (simplify_logical): Recognize xor pattern that encodes
8753 Wed Oct 13 23:23:45 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8755 * rs6000.c (expand_block_move): Use INTVAL, not XINT to access
8758 Wed Oct 13 21:47:18 1999 Richard Henderson <rth@cygnus.com>
8760 * ggc-page.c (MAP_FAILED): Provide default.
8762 Wed Oct 13 21:41:59 1999 Richard Henderson <rth@cygnus.com>
8764 * sparc.c (symbolic_operand): Verify mode; don't accept CONST_DOUBLE.
8765 * sparc.h (PREDICATE_CODES): Update.
8767 Wed Oct 13 21:18:17 1999 Richard Henderson <rth@cygnus.com>
8769 * alpha.c (some_ni_operand): New.
8770 * alpha-protos.h: Declare it.
8771 * alpha.h (PREDICATE_CODES): Update.
8772 * alpha.md (sXaddq reload insns): Use some_ni_operand
8773 for SET_DEST instead of some_operand.
8775 Wed Oct 13 21:04:45 1999 Richard Henderson <rth@cygnus.com>
8776 Jim Wilson <wilson@cygnus.com>
8778 * genrecog.c (maybe_both_true_2): Don't compare modes of
8780 (process_tree): Elide peephole2_insns. Invoke simplify_tests
8781 after find_afterward.
8782 (debug_decision_1): Dump next and afterward codes.
8784 Wed Oct 13 20:35:16 1999 Richard Henderson <rth@cygnus.com>
8786 * rtl.c (dump_and_abort): Remove.
8787 (fatal_with_file_and_line): New.
8788 (fatal_expected_char): New.
8789 (read_rtx_lineno, read_rtx_filename): New.
8790 (read_skip_spaces): Track line number.
8791 (read_name): Use fatal_with_file_and_line.
8792 (read_rtx): Use fatal_expected_char. Track line number.
8793 * rtl.h (read_rtx_filename, read_rtx_lineno): Declare.
8795 * print-rtl.c (print_rtx): Don't special case LABEL_REF argument
8796 if it isn't a CODE_LABEL.
8798 * genattr.c (main): Set read_rtx_filename.
8799 * genattrtab.c (main): Likewise.
8800 * gencodes.c (main): Likewise.
8801 * genconfig.c (main): Likewise.
8802 * genemit.c (main): Likewise.
8803 * genextract.c (main): Likewise.
8804 * genflags.c (main): Likewise.
8805 * genopinit.c (main): Likewise.
8806 * genoutput.c (main): Likewise.
8807 * genpeep.c (main): Likewise.
8809 * genrecog.c (decision_test.u.insn): Add `lineno'.
8810 (pattern_lineno, error_count): New variables.
8811 (message_with_line): New.
8812 (add_to_sequence): Break out checking code to ...
8813 (validate_pattern): ... here. Detect SET_DEST matching CONST_INT.
8814 (merge_insn): Use message_with_line.
8815 (make_insn_sequence): Use validate_pattern. Record insn lineno.
8816 (main): Set read_rtx_filename, pattern_lineno. Exit early on error.
8818 Wed Oct 13 22:01:35 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
8820 * expr.c (store_constructor): Clear union if constructor is empty.
8822 Wed Oct 13 15:19:04 1999 Jim Wilson <wilson@cygnus.com>
8824 * config/rs6000/sysv4.h (CC1_SPEC): Fix errors from Jan 19 change.
8825 Add !endian checks. Change %{...} to %(...).
8827 Wed Oct 13 13:30:34 1999 Richard Henderson <rth@cygnus.com>
8829 * i386.md (*addsi3_cc): Renamed from addcsi3.
8830 (*addsi3_carry): Renamed from addxsi3.
8831 (*subsi3_cc): Renamed from subcsi3.
8832 (*subsi3_carry): Renamed from subxsi3.
8833 (*xorqi_cc_1): Renamed from xorcqi_1.
8834 (xorqi_cc_ext_1): Renamed from xorcqi_ext_1.
8835 * i386.c (ix86_expand_fp_compare): Update for xorqi_cc_ext_1.
8837 Wed Oct 13 13:10:46 1999 Richard Henderson <rth@cygnus.com>
8839 * Makefile.in (ggc-common.o): Depend on RTL_H not RTL_BASE_H.
8840 (ggc-simple.o, ggc-page.o, ggc-none.o, ggc-callbacks.o): Likewise.
8842 1999-10-13 Brendan Kehoe <brendan@cygnus.com>
8844 * regmove.c (optimize_reg_copy_3): Make sure P is non-nil as we
8845 climb up the chain of insns.
8847 Wed Oct 13 10:20:58 1999 Richard Henderson <rth@cygnus.com>
8849 * genrecog.c (write_subroutine): Careful for null trees.
8850 (process_tree): Don't elide empty functions.
8852 Wed Oct 13 10:07:54 1999 Richard Henderson <rth@cygnus.com>
8854 * Makefile.in (genrtl.o): Depend on ggc.h.
8855 * configure.in (valloc): Probe for it.
8856 (with-gc): Use ggc-page if valloc present.
8857 * ggc-common.c (ggc_mark_rtx_children): Use ggc_mark_if_gcable.
8858 (ggc_mark_rtvec_children): New from corpse of ggc_mark_rtvec.
8859 (ggc_alloc_string): Moved from ggc-page.c.
8860 * ggc-none.c (ggc_alloc_obj): New.
8861 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove.
8862 * ggc-page.c (sys/mman.h): Only include if HAVE_MMAP.
8863 (struct globals): Likewise for dev_zero_fd.
8864 (init_ggc): Likewise for it's initialization.
8865 (ggc_allocated_p): Move careful dereference from ...
8866 (ggc_lookup_page_table): ... here. Delete.
8867 (lookup_page_table_entry): Don't use ggc_lookup_page_table.
8868 (alloc_anon): Use valloc if no mmap.
8869 (release_pages): Use free if using valloc.
8870 (ggc_alloc_obj): Renamed from alloc_obj.
8871 (ggc_set_mark): Renamed from mark_obj.
8872 (ggc_mark_if_gcable): Renamed from ggc_mark_string_if_gcable.
8873 (ggc_alloc_rtx, ggc_alloc_rtvec): Delete.
8874 (ggc_alloc_tree, ggc_alloc_string, ggc_alloc): Delete.
8875 (ggc_set_mark_rtx, ggc_set_mark_rtvec): Delete.
8876 (ggc_set_mark_tree, ggc_mark_string, ggc_mark): Delete.
8877 (ggc_collect): Use fp printing instead of our own rounding.
8878 * ggc-simple.c (IS_MARKED, IGNORE_MARK): Delete.
8879 (GGC_STRING_MAGIC, GGC_STRING_MAGIC_MARK): Delete.
8880 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): Delete.
8881 (struct ggc_rtx, struct ggc_rtvec, struct ggc_tree): Delete.
8882 (struct ggc_string, struct ggc_any): Delete.
8883 (offsetof): Provide default definition.
8884 (GGC_BALANCE, GGC_ALWAYS_COLLECT, GGC_ALWAYS_VERIFY): New.
8886 (struct ggc_mem): New, from corpse of ggc_any.
8887 (struct ggc_status): Delete.
8888 (ggc_chain, ggc_allocated_strings, ggc_strings_used): Delete.
8889 (n_rtxs_collected, n_vecs_collected, n_trees_collected): Delete.
8890 (n_strings_collected, n_anys_collected): Delete.
8891 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Delete.
8892 (ggc_alloc_string, ggc_alloc): Delete.
8893 (ggc_free_rtx, ggc_free_rtvec, ggc_free_tree): Delete.
8894 (ggc_free_string, ggc_free_any): Delete.
8895 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Delete.
8896 (ggc_compare_addresses, ggc_mark_string): Delete.
8897 (ggc_mark_string_if_gcable, ggc_mark): Delete.
8898 (search_data): Delete.
8899 (struct globals): New.
8900 (GGC_MIN_EXPAND_FOR_GC, GGC_MIN_LAST_ALLOCATED): New.
8901 (tree_insert, tree_lookup): New.
8902 (ggc_alloc_obj, ggc_set_mark, ggc_mark_if_gcable): New.
8903 (clear_marks, sweep_objs): New.
8904 (ggc_collect): Gut. Use clear_marks, sweep_objs.
8905 (init_ggc): Set allocated_last_gc.
8906 (ggc_push_context): Gut. Use G.context.
8907 (ggc_pop_context): Likewise.
8908 (ggc_pop_context_1): New.
8909 (debug_ggc_tree): New.
8910 (debug_ggc_balance, tally_leaves): New.
8911 * ggc.h (ggc_mark_rtvec, ggc_mark_string, ggc_mark): Remove decl.
8912 (ggc_mark_string_if_gcable): Remove decl.
8913 (ggc_mark_rtx, ggc_mark_tree): Use ggc_set_mark.
8914 (ggc_mark_rtvec_children): New.
8915 (ggc_mark_rtvec, ggc_mark_string, ggc_mark): New.
8916 (ggc_mark_if_gcable): New decl.
8917 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove decl.
8918 (ggc_alloc_tree, ggc_alloc): Likewise.
8919 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Likewise.
8920 (ggc_alloc_obj): New decl.
8921 (ggc_alloc_rtx, ggc_alloc_rtvec): New macros.
8922 (ggc_alloc_tree, ggc_alloc): Likewise.
8923 (ggc_set_mark): New decl.
8924 * rtl.h (struct rtx_def): Remove gc_mark.
8925 (struct rtvec_def): Likewise.
8926 * tree.h (struct tree_common): Likewise.
8928 Wed Oct 13 01:44:29 1999 Carol LePage <carolo@hal.com>
8930 * configure.in (sparc-hal-solaris2*): Fix xm_file, xm_defines,
8931 float_format and thread_file definitions.
8932 * configure: Rebuilt.
8934 Wed Oct 13 09:25:03 1999 Niels Möller <nisse@lysator.liu.se>
8936 * extend.texi (Function Names): Document types of function names.
8938 Wed Oct 13 00:45:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8940 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
8941 an earlyclobbered output conflict with RELOAD_INPUT reloads.
8943 Tue Oct 12 23:28:28 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
8945 * sh.h (BOOL_TYPE_SIZE): Don't use INT_TYPE_SIZE / CHAR_TYPE_SIZE.
8947 Tue Oct 12 23:19:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
8949 * sh.h (REGISTER_MOVE_COST): Change PR_REG to PR_REGS.
8951 Tue Oct 12 17:09:38 1999 David Edelsohn <edelsohn@gnu.org>
8953 * collect2.c (main): Do prelimnary link on AIX if rflag.
8955 Tue Oct 12 09:45:19 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
8957 * config/rs6000/eabi-ctors.c (__do_global_ctors): Run through
8958 __CTOR_LIST__ in opposite order, which is the correct order for sorted
8960 (__do_global_dtors): similarly for __DTOR_LIST__.
8962 Fri Oct 8 19:46:03 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
8963 Diego Novillo <dnovillo@cygnus.com>
8965 * config/sh/sh.h (REGISTER_MOVE_COST): Handle moves from T_REGS to
8968 Tue Oct 12 07:38:41 1999 Bruce Korb <autogen@linuxbox.com>
8970 * fixincl/*: Merged "no_bogosity" branch
8971 * fixincl/fixlib.h: protect against doubly defining t_bool
8972 * fixincl/server.h: protect against doubly defining t_bool
8974 Mon Oct 11 20:18:41 1999 Jim Wilson <wilson@cygnus.com>
8976 * genoutput.c: Include toplev.h.
8978 Mon Oct 11 18:56:14 1999 Jim Wilson <wilson@cygnus.com>
8980 * config/sparc/liteelf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
8982 * configure.in (sparclite-*-elf, sparc86x-*-elf): Don't use libgloss.h.
8983 * configure: Regenerate.
8985 Mon Oct 11 16:07:49 1999 Richard Henderson <rth@cygnus.com>
8987 * gcse.c (delete_null_pointer_checks): Returns void.
8989 Mon Oct 11 20:31:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8991 * rtl.c (copy_rtx): Don't use accessor macros to copy fields.
8992 * emit-rtl.c (copy_insn_1): Likewise.
8994 Mon Oct 11 13:29:06 1999 Geoffrey Keating <geoffk@cygnus.com>
8996 * config/mips/mips.c (mips_build_va_list): Correct
8997 TREE_CHAIN setting when hard-float.
8998 (mips_va_start): Use corrected setting.
8999 (mips_va_arg): Likewise. Also pass a tree to build of
9000 POSTINCREMENT_EXPR rather than a naked 'int'.
9002 Sun Oct 10 18:27:27 1999 Mark Mitchell <mark@codesourcery.com>
9004 * ggc.h (ggc_push_context): Fix comment.
9005 (ggc_pop_context): Likewise.
9006 (mark_string_if_gcable): Likewise.
9007 * ggc-common.c (ggc_mark_rtx_children): Use
9008 ggc_mark_string_if_gcable.
9009 * ggc-page.c (ggc_lookup_page_table): New function.
9010 (ggc_allocated_p): Likewise.
9011 (mark_obj): Fix formatting.
9012 (ggc_mark_string_if_gcable): New function.
9013 * ggc-simple.c (ggc_allocated_strings): New variable.
9014 (ggc_strings_used): Likewise.
9015 (ggc_compare_addresses): New function.
9016 (ggc_pop_context): Pop the `any' memory too.
9017 (ggc_mark_string_if_gcable): New function.
9018 (ggc_collect): Initialize and tear down ggc_allocated_strings.
9020 Sun Oct 10 20:05:21 1999 David Edelsohn <edelsohn@gnu.org>
9022 * rs6000.md (movstrsi_?reg): Use preferred rD/rS = r5 form.
9023 (scc patterns): Disable most SImode variants if TARGET_POWERPC64.
9024 * rs6000.c (expand_block_move): Match movstrsi_?reg register
9027 Sun Oct 10 16:37:01 1999 Richard Henderson <rth@cygnus.com>
9029 * haifa-sched.c (sched_reg_n_calls_crossed): Delete.
9030 (sched_reg_live_length, sched_reg_basic_block): Delete.
9031 (current_block_num, bb_live_regs, old_live_regs): Delete.
9032 (dead_notes, struct sometimes): Delete.
9033 (sched_note_set, birthing_insn_p): Delete.
9034 (adjust_priority): Gut useless reg lifetime code.
9035 (create_reg_dead_note, attach_deaths): Delete.
9036 (attach_deaths_insn, new_sometimes_live): Delete.
9037 (finish_sometimes_live): Delete.
9038 (find_pre_sched_live, find_post_sched_live): Delete.
9039 (update_reg_usage): Delete.
9040 (find_insn_reg_weight): New, from corpse of find_pre_sched_live.
9041 (schedule_insns): Delete reg lifetime code.
9042 (sched_analyze): Use REG_SAVE_NOTE to stuff NOTE_INSN notes away.
9043 (unlink_other_notes): Adjust REG_NOTE commentary.
9044 (reemit_notes): Use REG_SAVE_NOTE.
9045 (schedule_block): Likewise.
9046 (schedule_region): Allocate bitmap of blocks in region. Use
9047 count_or_remove_death_notes. Use update_life_info.
9049 * rtl.h (REG_SAVE_NOTE): New.
9050 * rtl.c (reg_note_name): Update.
9052 Sun Oct 10 16:14:16 1999 Richard Henderson <rth@cygnus.com>
9054 * combine.c (refresh_blocks, need_refresh): New.
9055 (combine_instructions): Allocate refresh_blocks. Invoke
9056 update_life_info if needed.
9057 (distribute_notes): Mark refresh_blocks instead of installing
9059 * flow.c (update_life_info): Remove notes if GLOBAL_RM_NOTES.
9060 * basic_block.h (enum update_life_extent): Add GLOBAL_RM_NOTES.
9062 * Makefile.in (recog.o): Depend on basic-block.h.
9064 Sun Oct 10 12:03:21 1999 Richard Henderson <rth@cygnus.com>
9066 * genrecog.c (add_to_sequence): Thinko last change: delete
9067 shadowing allow_const_int variable.
9069 Sun Oct 10 08:40:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9071 * cppinit.c: Use HAVE_GCC_VERSION instead of explicitly testing
9072 __GNUC__ and __GNUC_MINOR__.
9074 * gansidecl.h: Likewise.
9080 * toplev.h: Likewise.
9086 * varray.c: Likewise.
9088 * varray.h: Likewise.
9090 Sun Oct 10 13:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9092 * loop.c (find_and_verify_loops): When looking for a BARRIER, don't
9093 use one before a jump table.
9095 * rtl.def (ADDRESS): Change documentation to match reality.
9096 * md.texi: Don't document it.
9097 * gmicro.md (load address pattern): Use 'p' constraint, delete use
9100 * emit-rtl.c (copy_insn_1): Make format_ptr a const char *.
9102 Sun Oct 10 02:41:41 1999 Richard Henderson <rth@cygnus.com>
9104 * genrecog.c (add_to_sequence): Move allow_const_int test outside
9105 known predicate block; default allow_const_int true.
9106 (debug_decision_list): New.
9108 Sun Oct 10 00:43:08 1999 Richard Henderson <rth@cygnus.com>
9110 * i386.h (CC1_SPEC): Typo -- use cc1_cpu.
9112 Sat Oct 9 23:26:55 1999 Jeffrey A Law (law@cygnus.com)
9114 * gcse.c (gcse_main): Avoid global optimizations if we have a
9115 large number of basic blocks and the ratio of edges to blocks
9117 (delete_null_pointer_checks): Likewise.
9119 Sat Oct 9 23:16:01 1999 Ken Raeburn <raeburn@mit.edu>
9121 * c-common.c (check_format_info): Warn if format string isn't a
9124 Sat Oct 9 23:04:02 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
9126 * configure.in (arm*-*-*): Don't let autoconf remove brackets
9127 * configure: regenerate
9129 Sat Oct 9 13:15:53 1999 Richard Henderson <rth@cygnus.com>
9131 * alpha.md (extendsidi2): Turn into a splitter. Allow f/f.
9132 If TARGET_FIX, allow r/f. Remove cvtlq unspec pattern.
9133 (peepholes): Re-enable.
9135 Sat Oct 9 12:18:16 1999 Richard Henderson <rth@cygnus.com>
9137 * Makefile.in (flow.o): Depend on TREE_H.
9138 * basic-block.h (REG_SET_EQUAL_P): New.
9141 (free_regset_vector): Remove declaration.
9142 (flow_delete_insn_chain): Declare.
9143 (enum update_life_extent): New.
9144 (update_life_info, count_or_remove_death_notes): Declare.
9145 * combine.c (distribute_notes) [REG_DEAD]: Stop search at bb->head.
9146 Verify register live at bb->global_live_at_start before adding USE.
9147 * flow.c (HAVE_epilogue, HAVE_prologue): Provide default.
9148 (CLEAN_ALLOCA): New.
9150 (PROP_*): New flags.
9151 (find_basic_blocks_1): Use alloc_EXPR_LIST.
9152 (clear_edges): Zero n_edges.
9153 (make_edge): Increment n_edges.
9154 (split_edge): Don't allocate bb->local_set. Increment n_edges.
9155 (flow_delete_insn_chain): Export.
9156 (delete_block): Decrement n_edges.
9157 (merge_blocks_nomove): Likewise.
9158 (life_analysis): Give life_analysis_1 PROP flags.
9159 (verify_wide_reg_1, verify_wide_reg): New.
9160 (verify_local_live_at_start): New.
9161 (update_life_info): Rewrite to call into propogate_block.
9163 (mark_regs_live_at_end): After reload, if epilogue as rtl,
9164 always mark stack pointer. Conditionally mark PIC register.
9165 After reload, mark call-saved registers, return regsiters.
9166 (life_analysis_1): Accept PROP flags not remove_dead_code.
9167 Call mark_regs_live_at_end before zeroing regs_ever_live.
9168 Use calculate_global_regs_live. Copy global_live_at_end before
9169 calling final propagate_block. Zero reg_next_use on exit.
9170 (calculate_global_regs_live): New.
9171 (allocate_bb_life_data): Don't allocate bb->local_set.
9172 (init_regset_vector, free_regset_vector): Remove.
9173 (propagate_block): Accept FLAGS not FINAL or REMOVE_DEAD_CODE.
9174 Test flags before every operation. Warn if prologue/epilogue insn
9175 would have been deleted.
9176 (mark_set_regs, mark_set_1): Accept and use FLAGS.
9177 Use alloc_EXPR_LIST.
9178 (mark_used_regs): Accept and use FLAGS, not FINAL.
9179 Remove special handling for RETURN.
9180 (try_pre_increment): Use alloc_EXPR_LIST.
9181 (dump_flow_info): Dump n_edges.
9182 (unlink_insn_chain, split_hard_reg_notes): Remove.
9183 (maybe_add_dead_note, maybe_add_dead_note_use): Remove.
9184 (find_insn_with_note, new_insn_dead_notes): Remove.
9185 (update_n_sets, sets_reg_or_subreg_1, sets_reg_or_subreg): Remove.
9186 (maybe_remove_dead_notes, prepend_reg_notes): Remove.
9187 (replace_insns): Remove.
9188 (count_or_remove_death_notes): New.
9189 (verify_flow_info): Abort on error after all checks.
9190 (remove_edge): Decrement n_edges.
9191 (remove_fake_edges): Tweek format.
9192 * haifa-sched.c (schedule_insns): Use split_all_insns.
9193 * output.h (update_life_info): Remove declaration.
9194 * recog.c (split_all_insns): From the corpse of split_block_insns,
9195 do the whole function block by block. Use update_life_info.
9196 (recog_last_allowed_insn): New.
9197 (recog_next_insn): Mind it.
9198 (peephole2_optimize): Set it. Walk backwards through blocks.
9199 Use update_life_info.
9200 * rtl.h (update_flow_info, replace_insns): Remove declarations.
9201 (split_all_insns): Declare.
9202 * toplev.c (rest_of_compilation): Thread prologue before flow2.
9203 Use split_all_insns.
9205 * i386.md (or -1 peep2s): Disable.
9207 Fri Oct 8 17:49:08 1999 Richard Henderson <rth@cygnus.com>
9209 * config/mips/mips.md (movstrsi+[123]) : Combine these into
9210 a single pattern. Scrap the 'd' versions as unnecessary.
9212 * config/mips/mips.md (tablejump_internal3,tablejump_mips161,
9213 tablejump_mips162,tablejump_internal4): The operands to a
9214 label_ref must be VOIDmode.
9216 Fri Oct 8 16:12:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9218 * configure.in (c-mbchar): Append, don't overwrite, `extra_c_flags'.
9220 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
9222 * mips.c (mips_va_arg) [EABI]: Return addr_rtx.
9224 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
9226 * lists.c (init_EXPR_INSN_LIST_cache): Don't need to zap the
9227 cache every function if ggc_p.
9229 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9231 * jump.c (duplicate_loop_exit_test): Use copy_insn/copy_insn_1
9232 instead of copy_rtx. Accept sequences that contain asm statements.
9233 * emit-rtl.c (copy_insn_1, copy_insn): New functions.
9234 (copy_insn_scratch_in, copy_insn_scratch_out, copy_insn_n_scratches,
9235 orig_asm_operands_vector, copy_asm_operands_vector,
9236 orig_asm_constraints_vecotr, copy_asm_constraints_vector): New static
9238 * rtl.h (copy_insn, copy_insn_1): Declare.
9240 Fri Oct 8 13:08:12 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9242 * Makefile.in (insn-recog.o): Depend on hard-reg-set.h and resource.h.
9244 * alpha.h (ASM_OUTPUT_MI_THUNK): Pass the correct number of
9245 arguments to `current_file_function_operand'.
9247 * genrecog.c: Include hard-reg-set.h and resource.h in the
9248 generated output file.
9250 * real.c: Include tm_p.h.
9252 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9254 * i386.md (prologue_allocate_stack): Add '=' constraint letter on
9257 Thu Oct 7 23:06:50 1999 Richard Henderson <rth@cygnus.com>
9259 * rs6000.md (fix_truncdfsi2_internal+1): Emit a clobber
9260 before the fctiwz insn.
9262 Thu Oct 7 22:53:00 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9263 Mark Mitchell <mark@codesourcery.com>
9265 * tree.c (make_lang_type_fn): New funtion pointer.
9266 (make_lang_type): Call it.
9267 * tree.h (make_lang_type): Declare.
9268 (make_lang_type_fn): Likewise.
9269 * rs6000.c (rs6000_build_va_list): Use make_lang_type.
9271 Thu Oct 7 00:36:17 1999 Diego Novillo <dnovillo@cygnus.com>
9273 * config/rs6000/rs6000.c (secondary_reload_class): For TARGET_ELF
9274 make sure that HIGH instructions are copied into BASE_REGS.
9276 Thu Oct 7 17:02:34 1999 Jason Merrill <jason@yorick.cygnus.com>
9278 * expr.c (expand_expr, TARGET_EXPR): Set TREE_USED sooner.
9280 Thu Oct 7 17:01:58 1999 Greg McGary <gkm@gnu.org>
9282 * c-decl.c (finish_struct): Use simpler method of
9283 removing elements of a singly-linked list.
9285 Thu Oct 7 15:23:28 1999 Michael Meissner <meissner@cygnus.com>
9287 * alpha.md (peephole2's): Comment out peephole2's that generate
9290 Thu Oct 7 12:00:53 1999 Richard Henderson <rth@cygnus.com>
9292 * genrecog.c (add_to_sequence): Disable mode check for
9295 Thu Oct 7 20:14:16 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9297 * ggc-simple.c (init_ggc): Set empty_string.
9299 Thu Oct 7 01:13:15 1999 Richard Henderson <rth@cygnus.com>
9301 * configure.in: Detect mmap. Add --with-gc=foo to select
9302 garbage collector; default to page if mmap available.
9303 * Makefile.in (GGC): Substitute.
9305 Wed Oct 6 23:56:30 1999 Richard Henderson <rth@cygnus.com>
9307 * c-decl.c (ggc_p): Enable.
9309 Wed Oct 6 17:17:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9311 * flow.c (verify_flow_info): Make it extern & unconditionally define.
9313 1999-10-06 Brendan Kehoe <brendan@cygnus.com>
9315 * sparc/sp86x-elf.h (SUBTARGET_SWITCHES): Add missing doc
9316 string for little-endian-data.
9318 Wed Oct 6 16:10:35 1999 Michael Meissner <meissner@cygnus.com>
9320 * varray.h (VARRAY_CHECK): Fix up appropriate revision check, in
9321 case somebody tries to compile --enable-checking code with gcc
9324 Wed Oct 6 12:22:50 1999 Richard Henderson <rth@cygnus.com>
9326 * genrecog.c (add_to_sequence): Verify operand to label_ref is
9329 Wed Oct 6 10:21:15 1999 Richard Henderson <rth@cygnus.com>
9331 * genconfig.c (main): Disable HAVE_conditional_arithmetic.
9332 * jump.c (jump_optimize_1): Document why.
9334 Wed Oct 6 10:41:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9336 * collect2.c (scan_prog_file, scan_libraries): Prototype function
9337 pointers and casts for `int_handler' and `quit_handler'.
9339 * flow.c (verify_flow_info, split_hard_reg_notes,
9340 find_insn_with_note, sets_reg_or_subreg_1, prepend_reg_notes,
9341 remove_edge, remove_fake_successors): Add static prototypes.
9342 (verify_flow_info): Wrap with macro ENABLE_CHECKING.
9343 (mark_set_1): Initialize variable `regno'.
9344 (unlink_insn_chain): Likewise for variable `curr'.
9345 (remove_fake_edges): Remove unused variables `e', `tmp' and `last'.
9347 * loop.c (strength_reduce): Initialize variable
9348 `unrolled_insn_copies'.
9349 (cmp_combine_givs_stats, cmp_recombine_givs_stats): Add static
9350 prototypes. Change these functions to take const PTR parameters
9351 to avoid prototype conflict when used as the comparson argument
9353 (check_dbra_loop): Initialize variable `comparison_val'.
9355 * reload.c (debug_reload_to_stream, debug_reload): Add prototypes.
9356 (get_secondary_mem): Mark parameter `x' with ATTRIBUTE_UNUSED.
9357 (find_valid_class): Initialize variable `best_class'.
9358 (find_reloads): Call memcpy, not bcopy.
9360 * reload1.c (gen_mode_int, dump_needs): Add prototypes.
9361 (hard_reg_use_compare): Don't needlessly cast away const.
9362 (reload_reg_class_lower): Likewise.
9363 (choose_reload_regs): Initialize variable `regno'.
9365 Tue Oct 5 16:34:12 1999 Paul Burchard <burchard@pobox.com>
9367 * ggc-page.c (GGC_ALWAYS_COLLECT): Fix typo when undef'ing.
9369 Tue Oct 5 16:14:40 1999 Michael Meissner <meissner@cygnus.com>
9371 * libgcc1-test.c (toplevel): Include stddef.h to get size_t.
9372 ({,d}discard): Add forward declarations. Declare parameter as
9374 (main_without_main): Explicitly declare return type to be int.
9375 (memcpy): Properly declare.
9377 * libgcc2.c (toplevel): If inhibit_libc is defined and not
9378 building the trampoline support, declare malloc, free, and
9380 (__clear_cache): Mark arguments as potentially unused.
9382 * frame.c (toplevel): If inhibit_libc is defined, declare
9385 Tue Oct 5 12:00:32 1999 Richard Henderson <rth@cygnus.com>
9387 * flow.c (make_edge): Accept an optional 2D bitmap in which
9388 to cache edge existence. Update all callers.
9389 (make_label_edge, make_eh_edge): Pass through the edge cache.
9390 (make_edges): Provide the cache.
9392 Tue Oct 5 12:16:49 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9394 * mbchar.c (literal_codeset, local_mbtowc, local_mblen): Constify
9396 (local_mbtowc): Change the type of variable `i' from int to size_t.
9398 * mbchar.h (ISSJIS1, ISSJIS2): Use parens around && within ||.
9399 (local_mbtowc, local_mblen, literal_codeset): Constify a char*.
9401 Tue Oct 5 11:34:52 1999 Michael Meissner <meissner@cygnus.com>
9403 * ggc-common.c (toplevel): Reorder includes, so that ggc.h comes
9404 after other includes that define the appropriate types. Include
9405 tm_p.h for getting user prototypes.
9406 * ggc-callbacks.c (toplevel): Ditto.
9407 * ggc-none.c (toplevel): Ditto.
9408 * gcc-page.c (toplevel): Ditto.
9409 * ggc-simple.c (toplevel): Ditto.
9411 Mon Oct 4 16:48:16 1999 Diego Novillo <dnovillo@cygnus.com>
9412 Jonathan Larmour <jlarmour@cygnus.co.uk>
9414 * config/mips/mips.c (mips_move_2words): Split doubles if
9415 ISA >= 3, !TARGET_64BIT, and destination is not an FP register.
9417 Mon Oct 4 21:47:31 1999 Richard Henderson <rth@cygnus.com>
9419 * genrecog.c (struct decision_test): New.
9420 (struct decision): Remove test-related members, sort the rest by size.
9421 (IS_SPLIT): Simplify.
9422 (new_decision, new_decision_test): New.
9423 (add_to_sequence): Use them. No special handling for args of
9425 (maybe_both_true): Renamed from not_both_true; return sense changed.
9426 (maybe_both_true_1, maybe_both_true_2): New. Broken out
9427 of maybe_both_true and adjusted for decision_test.
9428 (position_merit): Remove.
9429 (nodes_identical, nodes_identical_1): New, broken out of merge_trees.
9430 (merge_accept_insn): New, broken out of merge_trees.
9431 (merge_trees): Use them. No special case for c_test; no node
9432 splitting; use test type instead of position_merit.
9433 (factor_tests): New.
9434 (simplify_tests): New.
9435 (break_out_subroutines): Don't write code now.
9436 (find_afterward): New.
9437 (write_afterward, write_switch, write_cond): New.
9438 (write_action, is_unconditional): New.
9439 (write_node): New. Use them.
9440 (write_tree_1): Rewrite. Use the new functions above.
9441 (write_tree): Remove afterward processing.
9442 (write_subroutine): Simplify function variant emission.
9443 (write_subroutines): New.
9444 (same_codes, clear_codes): Remove.
9445 (same_modes, clear_modes): Remove.
9446 (write_header): New, broken out of main.
9447 (make_insn_sequence): Use new_decision and new_decision_test.
9448 (process_tree): New, broken out of main.
9449 (main): Adjust for merge_trees interface change.
9450 Don't #define operands in the output file.
9451 (record_insn_name): New, broken out of make_insn_sequence.
9452 (debug_decision_2, debug_decision_1, debug_decision_0): New.
9453 (debug_decision): New.
9455 1999-10-04 21:58 -0700 Zack Weinberg <zack@bitmover.com>
9457 * resource.c (find_free_register): Mark class_str argument const.
9458 * resource.h: Update prototype to match.
9460 * i386.h (PREDICATE_CODES): Add entry for long_memory_operand.
9461 * i386.md: Give all anonymous insns names.
9463 Mon Oct 4 21:12:02 1999 Jeffrey A Law (law@cygnus.com)
9465 * flow.c (merge_blocks): Avoid assing BASIC_BLOCK for non-existent
9468 Mon Oct 4 21:01:39 1999 Richard Henderson <rth@cygnus.com>
9470 * toplev.c (dbr_sched_time): Unconditional.
9471 (peephole2_time): New.
9472 (compile_file): Add pass numbers to all of the dump file suffixes.
9473 Dump peephole2_time. Don't dump times for non-applicable passes.
9474 (rest_of_compilation): Add pass numbers to dump file suffixes.
9475 Conditionalize calls to the scheduler.
9476 * invoke.texi: Update.
9478 Mon Oct 4 20:25:13 1999 Anthony Green <green@cygnus.com>
9480 * flow.c (make_edges): Fix insn iteration.
9481 (find_basic_blocks): Assign NULL_RTX, not 0, to rtx.
9482 (find_basic_blocks_1): Fix spelling mistake.
9484 Mon Oct 4 16:56:11 1999 Richard Henderson <rth@cygnus.com>
9486 * tree.c (build1): Set TREE_SIDE_EFFECTS for expressions that
9487 always have side-effects. Use memset not bzero.
9488 (make_node): Likewise.
9490 Mon Oct 4 16:22:20 1999 Mark Mitchell <mark@codesourcery.com>
9492 * stmt.c (expand_anon_union_decl): When any of the elements of the
9493 union is addressable, so is the entire union.
9495 Mon Oct 4 11:38:33 1999 Richard Henderson <rth@cygnus.com>
9497 * sbitmap.c (sbitmap_ones): Don't set too many bits.
9499 * bitmap.h (enum bitmap_bits): Add BITMAP_XOR.
9500 * bitmap.c (bitmap_operation): Return true iff TO changed.
9501 (bitmap_equal_p): New.
9502 (bitmap_bit_p): Tidy arithmetic.
9503 (debug_bitmap_file): Likewise.
9505 Mon Oct 4 11:28:37 1999 Richard Henderson <rth@cygnus.com>
9507 * toplev.c (rest_of_compilation): Turn on cse_not_expected
9508 before cse2 instead of after.
9510 Mon Oct 4 09:55:17 1999 Stan Cox <scox@cygnus.com>
9512 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Let leasi/liadi handle large
9515 Mon Oct 4 08:54:12 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9517 * cppinit.c (is_idchar initializer): Loosen tests to accept
9520 Mon Oct 4 02:31:20 1999 Mark Mitchell <mark@codesourcery.com>
9522 * mips.md: Define conditional move patterns for floating point
9523 operands and DI mode conditions.
9525 Mon Oct 4 02:12:41 1999 Mark Mitchell <mark@codesourcery.com>
9527 * tree.c (make_node): Set TREE_SIDE_EFFECTS for expressions that
9528 always have side-effects.
9530 Sun Oct 3 14:14:16 1999 Jeffrey A Law (law@cygnus.com)
9532 * mn10200.c (asm_file_start): Fix typo.
9534 * cppinit.c (is_idchar initializer): Tighten tests for when
9535 to put the table into initialized memory.
9537 * ggc-none.c (ggc_alloc_rtvec): An rtvec is an array of rtx,
9538 not an array of rtunion.
9539 * gcc-page.c (ggc_alloc_rtvec): Similarly.
9540 * gcc-simple (ggc_free_rtvec): Similarly.
9542 * genattrtab.c (simplify_cond): Make TESTS an array of rtxs, instead
9545 * mbchar.h: Add missing #endif.
9547 * t-fr30 (LIB2FUNCS_EXTRA): Remove definition.
9548 (FPBIT, DPBIT): Define.
9550 Sun Oct 3 12:44:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9552 * print-tree.c (print_node, indent_to): Remove redundant prototypes.
9554 * profile.c (instrument_arcs, output_gcov_string,
9555 tablejump_entry_p): Add static prototypes.
9556 (output_gcov_string): Constify a char*.
9558 * regmove.c (replacement_quality, fixup_match_2): Add static
9561 * resource.h (reg_dead_p): Add extern prototype.
9563 * rtl.c (trim_filename): Add static prototype.
9565 * scan-decls.c (skip_to_closing_brace): Likewise.
9567 * stmt.c (expand_decl_cleanup_no_eh): Hide definition.
9568 (expand_end_case): Initialize variable `range'.
9569 (emit_case_nodes): Remove unused prototype `rtx_fn'.
9571 * varasm.c (asm_emit_uninitialised): Add static prototype.
9572 (asm_emit_uninitialised, assemble_variable): Mark parameter with
9575 Sun Oct 3 12:24:52 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9577 * cpplib.c (if_directive_nameo): Add static prototype.
9579 * cse.c (cse_insn): Remove unused variable `p'.
9581 * except.c (create_rethrow_ref, push_entry,
9582 receive_exception_label, new_eh_region_entry, find_func_region,
9583 clear_function_eh_region, process_nestinfo): Add static prototypes.
9584 (get_reg_for_handler): Hide definition.
9585 (process_nestinfo): Initialize variable `extra_handlers'.
9587 * expr.h (expand_builtin_longjmp): Add extern prototype.
9589 * final.c (final_addr_vec_align, align_fuzz): Add static prototypes.
9591 * function.c (prepare_function_start): Likewise.
9592 (pop_function_context_from): Mark parameter `context' with
9594 (push_temp_slots_for_block, flush_addressof): Hide definition.
9596 * gcov.c (init_arc, reverse_arcs, create_program_flow_graph,
9597 solve_program_flow_graph, calculate_branch_probs,
9598 function_summary, main, fancy_abort): Add prototypes.
9600 * gen-protos.c (add_hash, parse_fn_proto, main): Likewise.
9601 (add_hash): Constify a char*.
9603 * ggc-common.c (ggc_mark_rtx_ptr, ggc_mark_tree_ptr,
9604 ggc_mark_tree_varray_ptr, ggc_mark_tree_hash_table_ptr,
9605 ggc_mark_string_ptr, ggc_mark_tree_hash_table_entry): Add prototypes.
9607 * integrate.c (expand_inline_function_eh_labelmap): Likewise.
9609 * lists.c (free_list, zap_lists): Likewise.
9611 Sun Oct 3 12:05:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9613 * alias.c (nonlocal_reference_p): Add static prototype.
9615 * bitmap.c (bitmap_element_allocate): Prototype args in function
9618 * builtins.c (stabilize_va_list): Add static prototype.
9619 (expand_builtin_va_arg): Constify a char*.
9621 * c-lex.c (getch, put_back, extend_token_buffer_to,
9622 read_line_number, token_getch, token_put_back): Add static
9625 * c-parse.gperf (hash, is_reserved_word): Likewise.
9627 * cccp.c (is_dir_separator): Likewise.
9629 Sat Oct 2 16:07:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9631 * graph.h: New file to prototype functions exported by graph.c.
9633 * Makefile.in (graph.o, toplev.o): Depend on graph.h.
9635 * graph.c: Include graph.h.
9637 * toplev.c: Likewise. Remove redundant prototypes.
9639 Sat Oct 2 11:28:33 1999 Krister Walfridsson <cato@df.lth.se>
9641 * invoke.texi: Removed duplicated description for -Q.
9643 Sat Oct 2 11:16:00 1999 Jim Kingdon <http://developer.redhat.com>
9645 * extend.texi: Grammar fix in __extension__ text.
9647 Sat Oct 2 11:06:31 1999 Richard Henderson <rth@cygnus.com>
9649 * md.texi (define_peephole2): New section.
9651 Sat Oct 2 10:57:56 1999 Jan Hubicka <hubicka@freesoft.cz>
9653 * i386.md (mov?i patterns): Fix handling of TARGET_USE_MOV0
9654 (mov $-1 to or peepholer): Enable for pentium when optimizing for
9657 Sat Oct 2 10:55:25 1999 Jan Hubicka <hubicka@freesoft.cz>
9659 * builtins.c (expand_builtin_strlen): Fix best mode searching loop.
9661 Sat Oct 2 10:53:22 1999 Jan Hubicka <hubicka@freesoft.cz>
9663 * i386.md (ffs expander): Emit Pentium friendly code for
9666 Sat Oct 2 02:48:21 1999 Mark P. Mitchell <mark@codesourcery.com>
9668 * tree.c (build): Don't look at TREE_SIDE_EFFECTS or TREE_RAISES
9672 Fri Oct 1 18:01:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9674 * i386elf.h (TARGET_DEFAULT): Use symbolic constants.
9676 Fri Oct 1 12:42:53 1999 Andreas Schwab <schwab@suse.de>
9678 * config/m68k/m68k.c (use_return_insn): Return false if the pic
9681 Fri Oct 1 10:56:06 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9683 * md.texi (No Constraints): Delete section.
9684 * Makefile.in (genattrtab.o): Don't depend on "insn-config.h".
9685 * final.c (final_scan_insn): We always have register constraints.
9686 * genattrtab.c: Don't include "insn-config.h".
9687 (write_attr_case): We always have register constraints.
9688 * genconfig.c (register_constraint_flag): Delete.
9689 (walk_insn_part): Don't check whether we have register constraints.
9690 (main): Don't write out "#define REGISTER_CONSTRAINTS".
9691 * genoutput.c (have_constraints): Delete.
9692 (main): Don't set it.
9693 (output_operand_data): We always have constraints.
9694 (scan_operands): Likewise.
9695 (compare_operands): Likewise.
9696 * local-alloc.c (block_alloc): We always have constraints.
9697 (requires_inout): Always compile this function.
9698 * recog.c (extract_insn): We always have constraints.
9699 (constrain_operands, reg_fits_class_p): Always compile these
9701 * recog.h (struct recog_data): Delete non-REGISTER_CONSTRAINTS
9703 (struct insn_operand_data): Likewise.
9704 * regclass.c (regclass): We always have constraints.
9705 (record_reg_classes, copy_cost, record_address_regs,
9706 auto_inc_dec_reg_p): Always compile these functions.
9707 * regmove.c (regmove_optimize): We always have constraints.
9708 * reload.c (find_reloads): Likewise.
9709 * reload1.c (reload): Likewise.
9710 (reload_cse_simplify_operands): Likewise.
9711 * i860.c (output_delay_insn): Likewise.
9713 Thu Sep 30 23:04:41 1999 Mark P. Mitchell <mark@codesourcery.com>
9715 * iris6.h (BUILD_VA_LIST_TYPE): Define.
9717 Thu Sep 30 18:44:50 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9719 * rs6000.c (rs6000_build_va_list): Create a TYPE_DECL node
9720 for the va_list record.
9722 Thu Sep 30 18:34:54 1999 Jan Hubicka <hubicka@freesoft.cz>
9724 * i386.c (ix86_adjust_cost): Ignore false ebp dependencies in
9727 Thu Sep 30 18:31:36 1999 Jan Hubicka <hubicka@freesoft.cz>
9729 * alias.c: Include insn-flags.h.
9730 * Makefile.in (alias.o): Update.
9732 Thu Sep 30 18:21:30 1999 Jan Hubicka <hubicka@freesoft.cz>
9734 * i386.c (ix86_expand_int_movcc): Convert LEU and GTU comparisons
9735 to LTU and GEU. Handle more cases using sbb.
9737 Thu Sep 30 18:18:39 1999 Jan Hubicka <hubicka@freesoft.cz>
9739 * i386.md (truncatexfdf splitters): Do not use subreg.
9740 (fop XFmode patterns): Fix mode in operand testing.
9742 Thu Sep 30 18:04:13 1999 Richard Henderson <rth@cygnus.com>
9744 * jump.c (jump_optimize_1): Amend last change to test only the
9745 form of the operand, not the insn.
9747 * jump.c (jump_optimize_1) [conditional_move]: Use general_operand
9748 not register_operand to determine when B may need preloading.
9750 Thu Sep 30 17:39:16 1999 Richard Henderson <rth@cygnus.com>
9752 * alpha.md (*): Use nonimmediate not general_operand for SET_DEST.
9753 (ffsdi2, extxl, insxh, mskxh): Add missing DImode to SET_SRC.
9754 (call-value patterns): Move to end of file.
9755 (*): Remove mode from label_ref in (pc) context.
9756 (movstrqi): Use memory not general_operand for BLKmode operands.
9757 (prologue_stack_probe_loop, builtin_longjmp): Add missing mode
9758 to register_operand operands.
9759 (peep2 patterns): Convert from commented-out peephole patterns.
9761 Thu Sep 30 14:39:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9763 * tree.h (enum built_in_function): Rename BUILT_IN_DWARF_REG_SIZE
9764 to BUILT_IN_INIT_DWARF_REG_SIZES.
9765 * builtins.c (expand_builtins, case BUILT_IN_INIT_DWARF_REG_SIZES):
9766 Renamed from BUILT_IN_DWARF_REG_SIZE; call
9767 expand_builtin_init_dwarf_reg_sizes.
9768 * c-decl.c (init_decl_processing): Replace __builtin_dwarf_reg_size
9769 with __builtin_init_dwarf_reg_size_table.
9770 * dwarf2out.c (struct reg_size_range): Delete.
9771 (expand_builtin_init_dwarf_reg_sizes): New function.
9772 (expand_builtin_dwarf_reg_size): Delete.
9773 * except.h (expand_builtin_init_dwarf_reg_sizes): Declare.
9774 (expand_builtin_dwarf_reg_size): Don't declare.
9775 * libgcc2.c (dwarf_reg_size_table_initialized): New.
9776 (dwarf_reg_size_table): New.
9777 (init_reg_size_table): New function.
9778 (copy_reg): Use dwarf_reg_size_table.
9779 (eh_context_initialize): Make sure dwarf_reg_size_table is initialized
9782 Thu Sep 30 05:40:34 1999 Richard Earnshaw <rearnsha@arm.com>
9784 * c-lang.c (finish_file case ndef ASM_OUTPUT_{CON,DE}STRUCTOR):
9785 Correctly build argument list to constructor and destructor functions.
9787 Thu Sep 30 00:13:27 1999 Dirk Zoller <duz@rtsffm.com>
9789 * c-tree.h (warn_float_equal): Declare.
9790 * c-decl.c (warn_float_equal): Define.
9791 (c_decode_option): Recognize -W[no-]float-equal.
9792 * c-typeck.c (build_binary_op): Conditionally warn
9793 about equality tests of floating point types.
9794 * toplev.c (documented_lan_options): Add -W[no-]float-equal.
9795 * invoke.texi: Add docs for -Wfloat-equal warning.
9797 Wed Sep 29 23:43:39 1999 Jeffrey A Law (law@cygnus.com)
9799 * h8300.h (INIT_TARGET_OPTABS): Use init_one_optab instead of
9800 generating RTL directly.
9801 * mips.h (INIT_TARGET_OPTABS): Likewise.
9802 * mn10200.h (INIT_TARGET_OPTABS): Likewise.
9804 * expr.h (init_mov_optab): Delete declaration
9806 * h8300.c (WORD_REG_USED): Update to avoid useless register
9807 saves in interrupt functions and functions which never return.
9809 * cse.c (struct set): Delete inner_dest_loc field.
9810 (cse_insn): Remove assignments to inner_dest_loc field.
9812 Wed Sep 29 16:06:20 1999 Richard Henderson <rth@cygnus.com>
9814 * ggc-page.c: Don't include <unistd.h> etc taken care of
9815 by "system.h". Include <sys/mman.h> afterward.
9817 Wed Sep 29 16:05:18 1999 Richard Henderson <rth@cygnus.com>
9819 * rs6000.c (rs6000_encode_section_info): If ggc_p, use
9822 Tue Sep 28 16:45:40 1999 David Edelsohn <edelsohn@gnu.org>
9824 * xcoffout.c (xcoffout_declare_function): Add documentation.
9825 * rs6000.c (num_insns_constant_wide): Use TARGET_POWERPC64 not
9826 TARGET_64BIT. Compare constant to -1, not bit pattern.
9827 (easy_fp_constant): Use TARGET_POWERPC64 not TARGET_64BIT.
9828 (expand_block_move): Allow 8 DImode loads for PowerPC64. Fix
9831 Tue Sep 28 16:43:14 1999 Nick Clifton <nickc@cygnus.com>
9833 * dwarf2out.c (add_abstract_origin_attribute): Abort if
9835 (gen_inlined_enumeration_type_die): Do not abort if the type has
9836 not been writeen out.
9837 (gen_inlined_structure_type_die): Do not abort if the type has
9838 not been writeen out.
9839 (gen_inlined_union_type_die): Do not abort if the type has
9840 not been writeen out.
9841 (gen_tagged_type_instantiation_die): Do not abort if the type
9842 has not been written out.
9844 Tue Sep 28 14:33:47 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9846 * c-decl.c (init_decl_processing): If MD_INIT_BUILTINS is defined,
9848 * reg-stack.c (straighten_stack): Copy hard reg set with
9851 Tue Sep 28 01:11:05 1999 Richard Henderson <rth@cygnus.com>
9853 * builtins.c (stabilize_va_list): Stabilize array type va_list
9854 to a pointer type, not the base record type.
9855 (expand_builtin_va_copy): Dereference the pointers explicitly;
9856 use the correct size for the copy.
9858 * rs6000.c (rs6000_va_start): Dereference valist to get to the record.
9859 (rs6000_va_arg): Likewise.
9861 Mon Sep 27 23:27:21 1999 Richard Henderson <rth@cygnus.com>
9863 * rtl.h (struct rtx_def): Move gc_mark to align mode field.
9865 Mon Sep 27 23:20:29 1999 Mark Mitchell <mark@codesourcery.com>
9867 * tree.h (struct tree_decl): Use `bclass', not `class', in name of
9869 (DECL_BUILT_IN_CLASS): Adjust accordingly.
9871 Mon Sep 27 23:03:16 1999 Richard Henderson <rth@cygnus.com>
9873 * ggc-page.c (GGC_MIN_LAST_ALLOCATED): New.
9874 (init_ggc): Use it instead of a constant.
9875 (ggc_collect): Bound allocated_last_gc by it.
9877 Mon Sep 27 19:06:04 1999 Jeffrey A Law (law@cygnus.com)
9879 * fixinc/fixinc.irix (stdio.h): Hack stdio.h to avoid problems
9882 Mon Sep 27 19:40:17 CEST 1999 Marc Espie <espie@cvs.openbsd.org>
9884 * configure.in (mips*el-*-openbsd*): Don't duplicate default settings.
9885 (mips*-*-openbsd*): Let big endian configuration be a fragment.
9887 * config/mips/openbsd.h: New, OpenBSD little endian target.
9888 * config/mips/openbsd-be.h: New, OpenBSD big endian target fragment.
9889 * config/mips/xm-openbsd.h: New, OpenBSD host.
9891 Mon Sep 27 10:28:48 1999 Andreas Schwab <schwab@suse.de>
9893 * config/m68k/m68k.c (output_function_prologue,
9894 output_function_epilogue): Use
9895 current_function_uses_pic_offset_table instead of regs_ever_live
9896 to decide whether to save/restore pic register.
9897 (legitimize_pic_address): Don't modify regs_ever_live any more.
9899 Sun Sep 26 10:55:36 1999 Mark Mitchell <mark@codesourcery.com>
9901 * function.h (struct function): Add x_dont_save_pending_sizes_p.
9902 * stor-layout.c (variable_size): Don't add sizes to the pending
9903 sizes list if x_dont_save_pending_sizes_p is set.
9905 Sun Sep 26 16:36:52 1999 Robert Lipe (robertlipe@usa.net)
9907 * config/i386/dgux.h (SELECT_RTX_SECTION): Provide dummy argument
9908 for symbolic_operand().
9909 * config/i386/sco5.h (SELECT_RTX_SECTION): Likewise.
9911 Sun Sep 26 07:37:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9913 * combine.c (gen_rtx_combine): Add missing call to va_end().
9915 * final.c (asm_fprintf): Likewise.
9917 * genattrtab.c (attr_rtx): Likewise.
9919 Sat Sep 25 13:11:07 1999 Jeffrey A Law (law@cygnus.com)
9921 * cse.c: Update comments.
9922 (cse_insn): When converting a conditional/computed jump into
9923 an unconditional jump, always make sure a BARRIER immediately
9924 follows the converted jump. Do not delete unreachable code.
9925 (cse_basic_block): Do not delete unreachable code.
9926 * toplev.c (rest_of_compilation): Move call to
9927 delete_trivially_dead_insns after the conditional call to
9930 Sat Sep 25 09:03:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9932 * collect2.c (make_temp_file): Don't prototype.
9934 * gcc.c (make_temp_file): Likewise.
9936 * mips.c (mips_make_temp_file): Renamed from `make_temp_file'.
9938 Sat Sep 25 13:42:15 1999 Nick Clifton <nickc@cygnus.com>
9940 * varasm.c (asm_emit_uninitialised): New function: Generate
9941 the assembler statements necessary to declare an uninitialised
9943 (ASM_EMIT_LOCAL): New macro: Emit a local, uninitialised
9945 (ASM_EMIT_BSS): New macro: Emit an entry in the bss section.
9946 (ASM_EMIT_COMMON): New macro: Emit an entry in the common
9948 (assemble_variable): Use asm_emit_uninitialised to emit an
9949 uninitialised variable.
9951 Fri Sep 24 17:10:56 1999 Nick Clifton <nickc@cygnus.com>
9953 * combine.c (simplify_comparison): Cope with downshifting a 32 bit
9954 constant on a 64 bit host. Patch supplied by Geoffrey Keating
9955 <geoffk@cygnus.com>.
9957 Fri Sep 24 10:48:10 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9959 * builtins.c (expand_builtin): Use MD_EXPAND_BUILTIN if defined.
9960 * c-common.h (builtin_function): Don't declare.
9962 * c-decl.c (duplicate_decls): Use DECL_BUILT_IN_CLASS rather than
9964 (pushdecl): Likewise.
9965 (finish_decl): Likewise.
9966 (builtin_function): New arg CLASS. Arg FUNCTION_CODE now of type
9967 int. All callers changed.
9968 Set the builtin's DECL_BUILT_IN_CLASS.
9969 * tree.h (enum built_in_class): New.
9970 (enum built_in_function): Delete NOT_BUILT_IN.
9971 (DECL_FUNCTION_CODE): The corresponding field in tree_decl is now
9973 (DECL_SET_FUNCTION_CODE): Likewise.
9974 (DECL_BUILT_IN_CLASS): New macro.
9975 (DECL_BUILT_IN): Use DECL_BUILT_IN_CLASS.
9976 (struct tree_decl): Split builtin function code field into a
9978 (builtin_function): Declare.
9980 Fri Sep 24 01:45:05 1999 Mark Mitchell <mark@codesourcery.com>
9982 * optabs.c (init_traps): Fix typo in last change.
9984 Fri Sep 24 01:10:11 1999 Mark Mitchell <mark@codesourcery.com>
9986 * toplev.c (rest_of_decl_compilation): Update comment.
9988 Fri Sep 24 11:57:06 1999 Geoffrey Keating <geoffk@cygnus.com>
9990 * config/mips/elf.h (ASM_OUTPUT_ALIGNED_BSS): Put the symbol
9991 in .sbss if appropriate.
9992 (EXTRA_SECTION_FUNCTIONS): Add sbss.
9993 (SBSS_SECTION_ASM_OP): New macro.
9994 * config/mips/linux.h (EXTRA_SECTION_FUNCTIONS): Add sbss.
9995 (EXTRA_SECTIONS): Add in_sbss.
9996 * config/mips/mips.h: Prototype sbss_section.
9998 Thu Sep 23 18:18:55 1999 Mark Mitchell <mark@codesourcery.com>
10000 * stmt.c (expand_start_bindings): Don't allow cleanup instructions
10003 Thu Sep 23 18:07:01 1999 Mark Mitchell <mark@codesourcery.com>
10005 * optabs.c (init_traps): Register trap_rtx as a GC root.
10007 Thu Sep 23 17:41:47 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10009 * config/mips/mips.c (function_arg_pass_by_reference): Define
10010 unconditionally, since it's called unconditionally.
10012 Thu Sep 23 13:40:02 1999 Jason Merrill <jason@yorick.cygnus.com>
10014 * toplev.c (documented_lang_options): Add -fshort-wchar.
10015 * c-decl.c (c_decode_option): Likewise.
10016 (init_decl_processing): If -fshort-wchar, use 'short unsigned int'
10018 * c-common.c, c-lex.c: Get WCHAR_TYPE_SIZE from wchar_type_node.
10019 * gcc.c (default_compilers): If -fshort-wchar,
10020 override __WCHAR_TYPE__.
10021 * tm.texi (C Dialect Options): Add -fshort-wchar.
10023 * dwarf2out.c (output_aranges): Use DW_AT_location to find the
10024 symbol for a variable.
10026 * cpplib.h (CPP_PREPROCESSED): New macro.
10027 * cpplib.c (handle_directive): Don't complain about `# NUMBER' if
10028 we're seeing this input for a second time.
10030 Thu Sep 23 12:54:49 1999 Alex Samuel <samuel@codesourcery.com>
10032 * emit-rtl.c (init_emit_once): Initialize modes first.
10034 Sun Sep 19 01:23:23 1999 Alex Samuel <samuel@codesourcery.com>
10036 * config/i386/i386.c (pic_label_name): Change to char pointer.
10037 (global_offset_table): New variable.
10038 (load_pic_register): Fill global_offset_table if it hasn't
10039 already been done. Allocate pic_label_name dynamically.
10040 * ggc.h (empty_string): New variable.
10041 * ggc-simple.c (empty_string): Likewise.
10042 (init_ggc): Allocate empty_string and add as root.
10043 * stmt.c (digit_strings): New variable.
10044 (init_stmt): Add last_block_end_note as root. Allocate and
10045 initialize digit_strings.
10046 (expand_asm_operands): Use empty_string instead of string
10047 constant. Use digit_strings instead of string constants.
10048 * profile.c (init_arc_profiler): Allocate string with
10049 ggc_alloc_string instead of xmalloc.
10050 (output_func_start_profiler): Likewise.
10051 * c-typeck.c (digest_init): Check if init is error_mark_node.
10053 Thu Sep 23 12:59:14 1999 Alex Samuel <samuel@codesourcery.com>
10054 Richard Henderson <rth@cygnus.com>
10056 * ggc-page.c: New file.
10057 * Makefile.in (ggc-page.o): New.
10059 Thu Sep 23 13:55:21 1999 Jeffrey A Law (law@cygnus.com)
10061 * invoke.texi: Document -fdelete-null-pointer-checks
10062 * toplev.c (flag_delete_null_pointer_checks): New.
10063 (f_options): Add entry for -fdelete-null-pointer-checks.
10064 (rest_of_compilation): Conditionalize null pointer check
10065 elimination on flag_delete_null_pointer_checks.
10066 (main): If -O2 or greater, enable -fdelete-null-pointer-checks
10068 1999-09-23 10:56 -0700 Zack Weinberg <zack@bitmover.com>
10070 * iso646.h, stdarg.h, stdbool.h, stddef.h, varargs.h: Add
10071 copyright notice and special exception to GPL.
10073 Thu Sep 23 13:40:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10075 * abi64.h (mips_function_value): Add prototype arguments.
10077 * mips-protos.h: New file with mips prototypes.
10079 * mips.c: Include "tm_p.h".
10080 (mktemp, lookup_name): Add prototype arguments.
10081 (extern_list, string_constant, mips_fill_delay_slot,
10082 mips_output_external, mips_output_external_libcall,
10083 mips_output_filename, mips_declare_object, function_prologue,
10084 mips_expand_prologue, function_epilogue, mips16_constant,
10085 build_mips16_function_stub, mips_output_conditional_branch):
10087 (mips_va_start): Remove unused variable `u'.
10088 (mips_va_arg): Cast value to unsigned when comparing against one.
10090 (save_restore_insns, mips_expand_prologue): Add missing arg in
10091 call to `large_int'.
10093 * mips.h: Move prototypes to mips-protos.h.
10094 (data_section, memory_address_p, rdata_section,
10095 readonly_data_section, simple_epilogue_p, text_section): Delete
10096 prototypes delcared elsewhere.
10097 (mips_epilogue_delay_slots, print_options): Delete unused decls.
10099 (GO_PRINTF, GO_PRINTF2): Call fprintf, not trace.
10101 * mips.md: Delete extra args in call to `mips_move_2words'.
10103 * xm-iris6.h (alloca): Add prototype argument.
10105 * genpeep.c: Include "tm_p.h" in generated output file.
10107 Thu Sep 23 10:36:55 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
10109 * basic-block.h (find_edge_index): Change parameters.
10110 * flow.c (verify_edge_list): Pass basic_block parameters to
10111 find_edge_index instead of integers.
10113 Thu Sep 23 15:54:12 1999 Nick Clifton <nickc@cygnus.com>
10115 * combine.c (simplify_comparison): Use an unsigned shift to adjust
10118 Thu Sep 23 08:46:21 1999 Guy Harris <guy@netapp.com>
10120 * gcc.1: Fix a formatting error.
10122 Wed Sep 22 16:10:21 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
10124 * install.texi (Configurations): Remove pyramid. Add fr30, i686,
10125 i786, mn10200, mn10300, pdp11, v850.
10127 Thu Sep 23 07:37:13 1999 Dan Nicolaescu <dann@ics.uci.edu>
10129 * libgcc2.c (num_digits): Add prototype with
10130 __attribute__((const)).
10131 (__terminate): Add prototype.
10133 Thu Sep 23 05:32:06 1999 Richard Henderson <rth@cygnus.com>
10135 * builtins.c, dbxout.c, varasm.c: Include tm_p.h.
10137 * alpha/alpha.c (print_operand): Fix type of `code'.
10138 (alpha_output_filename): Constify.
10139 * alpha/alpha.h: Move all function declarations ...
10140 * alpha/alpha-protos.h: ... here. New file.
10141 * alpha/elf.h (CONST_SECTION_FUNCTION): Prototype the function.
10142 (SECTION_FUNCTION_TEMPLATE): Likewise.
10144 Thu Sep 23 11:15:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10146 * expmed.c (do_cmp_and_jump): Pass ccp_jump to can_compare_p.
10147 * expr.c (expand_expr): Likewise.
10148 (do_jump): Likewise.
10149 (do_store_flag): Pass ccp_store_flag to can_compare_p.
10150 * expr.h (enum optab_index): Add cbranch, cmov, cstore optabs and
10152 (enum can_compare_purpose): New.
10153 (can_compare_p): Adjust prototype.
10154 (prepare_cmp_insn, prepare_operand): Declare.
10155 * genopinit.c (optabs): Add cbranch_optab, cmov_optab, cstore_optab.
10156 * optabs.c (cmp_available_p): Deleted.
10157 (expand_abs): Pass ccp_jump to can_compare_p.
10158 (can_compare_p): New arg PURPOSE. Check for combined optabs.
10159 (prepare_cmp_insn): No longer static. Add arg PURPOSE.
10160 Call can_compare_p rather than cmp_available_p.
10161 (prepare_operand): No longer static.
10162 (emit_cmp_and_jump_insn): Check for and use cbranch patterns.
10163 (emit_cmp_and_jump_insns): Pass ccp_jump to prepare_cmp_insn.
10164 (expand_float): Fix a slightly broken emit_cmp_insn/emit_jump_insn
10165 sequence to use emit_cmp_and_jump_insns.
10166 (init_optabs): Initialize cbranch_optab, cmov_optab, cstore_optab.
10168 Wed Sep 22 17:58:01 1999 Stan Cox <scox@cygnus.com>
10170 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Don't accept large
10171 register offsets; let LEGITIMIZE_ADDRESS load it into a register.
10172 (LEGITIMIZE_ADDRESS): Use plus_constant to avoid
10173 (plus (reg) (const_int 0))
10174 * mips.md (call_internal3c): New pattern for -mips16 -mlong-calls.
10176 Wed Sep 22 17:55:31 1999 David Edelsohn <edelsohn@gnu.org>
10178 * rs6000.c (expand_block_move): DImode loads and stores require
10179 word-aligned displacements. Increment address registers with
10180 adddi3 on 64-bit platform. Use TARGET_POWERPC64 not TARGET_64BIT.
10182 Wed Sep 22 17:35:55 1999 Michael Meissner <meissner@cygnus.com>
10184 * dwarf2out.c (base_type_die): Use the name __unknown__ if there
10185 is no name for the base type, rather than segfault. If we are
10186 writing out a complex integer type, use DW_ATE_lo_user.
10188 * expr.c (emit_move_insn_1): If we are copying a complex that fits
10189 in one word or less (complex char, complex short, or on 64 bit
10190 systems complex float) to/from a hard register, copy it through
10191 memory instead of dying in gen_{real,imag}part. If we have a
10192 short complex type, prevent inlining since it allocates stack
10195 * tree.c (build_complex_type): If we are writing dwarf2 output,
10196 generate a name for complex integer types.
10198 Wed Sep 22 11:34:08 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
10200 * basic-block.h (add_noreturn_fake_exit_edges): Use correct name.
10201 * flow.c (remove_edge): Remove extra whitespace.
10202 (remove_fake_edges): Fix comment.
10203 (add_noreturn_fake_exit_edges): Use the correct name.
10205 Wed Sep 22 16:12:40 BST 1999 Nathan Sidwell <nathan@acm.org>
10207 * Makefile.in (INTL_MOSTLYCLEAN, INTL_CLEAN): New variables.
10208 (mostlyclean): Depend on INTL_MOSTLYCLEAN.
10209 (clean): Depend on INTL_CLEAN.
10210 (maintainer-clean): Adjust.
10212 Wed Sep 22 10:18:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10214 * configure.in (AC_PREREQ): Bump to 2.13.
10215 (AC_C_STRINGIZE): Call this instead of using a custom macro.
10217 * gansidecl.h (HAVE_STRINGIZE): Define, if stage2 gcc && __STDC__.
10219 * system.h (HAVE_STRINGIZE): Test this instead of HAVE_CPP_STRINGIFY.
10221 * acconfig.h (HAVE_CPP_STRINGIFY): Delete.
10223 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Delete.
10224 (HAVE_STRINGIZE): Define.
10226 Wed Sep 22 06:25:15 1999 Jim Kingdon <http://developer.redhat.com>
10228 * c-parse.in: save and restore warn_pointer_arith on __extension__
10229 along with pedantic.
10230 (SAVE_WARN_FLAGS, RESTORE_WARN_FLAGS): Added.
10231 Set the type of extension to itype rather than $<itype>1 kludge.
10232 * extend.texi (Alternate Keywords): Adjust documentation.
10233 * c-parse.c, c-parse.y, objc-parse.c, objc-parse.y: Rebuilt.
10235 Wed Sep 22 06:06:57 1999 Jeffrey A Law (law@cygnus.com)
10237 * pa.c, pa.h, pa.md: Support multiple assembler dialects in
10238 most assembler templates.
10240 * pa.c (hppa_legitimize_address): Handle full offsets for PA2.0
10241 FP loads and stores.
10242 (following_call): Always return zero for the PA8000.
10243 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Handle full offsets for PA2.0
10244 FP loads and stores.
10245 (LEGITIMIZE_RELOAD_ADDRESS): Similarly.
10247 * pa.h (BRANCH_COST): Define.
10249 * pa.md (return, return_internal): Use bve for PA2.0.
10251 * pa.md (fused multiply): Add variants which reduce height for the
10252 fused multiply, but which still generate 2 insns.
10253 (fnegabs): Similarly.
10255 * pa.md (subsi3): Turn into an expander. Create two anonymous
10256 patterns. One for PA2.0 one for PA1.x. Use mtsarcm for PA2.0.
10257 * pa.h (EXTRA_CONSTRAINT): Handle 'S'.
10259 * pa.md (floatunssisf2, floatunssidf2): Generate different RTL
10261 (floatunssidf2_pa20, floatunssisf2_pa20): New patterns for PA2.0
10263 (floatunsdisf2, floatunsdidf2, fixuns_truncsfsi2): Likewise.
10264 (fixuns_truncdfsi2, fixuns_truncsfdi2, fixuns_truncdfsi2): Likewise.
10266 * regclass.c (init_regs): Add "top_of_stack" as a garbage
10269 * flow.c (record_active_eh_regions): Terminate loop after finding
10270 the last insn in the last basic block.
10272 Wed Sep 22 20:25:00 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10274 * config/c4x/c4x.md: Delete parallel instruction peepholes.
10276 Wed Sep 22 19:59:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10278 * config/c4x/c4x.c (c4x_add_gc_roots): Add tree roots.
10280 Wed Sep 22 19:56:25 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10282 * config/c4x/c4x.c (c4x_process_after_reload): Rework machdep insn
10283 splitting to not use output template.
10285 Wed Sep 22 19:50:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10287 * config/c4x/c4x.h (EXPAND_BUILTIN_VA_START): Call c4x_va_start.
10288 * config/c4x/c4x.c (c4x_va_start): New function.
10290 Tue Sep 21 18:40:01 1999 Jan Hubicka <hubicka@freesoft.cz>
10292 * genrecog.c (not_both_true): Handle correctly cases when called for
10293 tests with different positions in the insn.
10295 Tue Sep 21 18:29:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10297 * machmode.h (HOST_PTR_PRINTF): Move from here ...
10299 * system.h (HOST_PTR_PRINTF): ... to here.
10301 * mips-tfile.c: Don't include machmode.h.
10303 * Makefile.in (MACHMODE_H): New variable. Update to use it.
10304 (mips-tfile.o): Don't depend on machmode.h.
10306 Tue Sep 21 18:27:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10308 * haifa-sched.c (sched_analyze): Rename local variable `region' to
10309 avoid conflicts with typedef struct `region' at the top level scope.
10311 Tue Sep 21 14:14:50 1999 Richard Henderson <rth@cygnus.com>
10313 * basic-block.h (basic_block): Add eh_beg, eh_end.
10314 * flow.c (entry_exit_blocks): Update.
10315 (find_basic_blocks): Don't allocate bb_eh_end, or pass it around.
10316 Call new functions.
10317 (find_basic_blocks_1): Don't record eh_list at each bb. Use
10318 lists.c functions to allocate insn lists.
10319 (make_edges): Use eh_beg+eh_end, not the lists. Split out EH
10321 (make_eh_edge): ... here. New.
10322 (move_stray_eh_region_notes): New.
10323 (record_active_eh_regions): New.
10324 (delete_unreachable_blocks): Split out block merging ...
10325 (try_merge_blocks): ... here. New.
10326 (merge_blocks_move_predecessor_nojumps): Remove edge arg.
10327 Dump debugging data.
10328 (merge_blocks_move_successor_nojumps): Likewise.
10329 (merge_blocks): Use eh_beg+eh_end to validate block movement.
10331 Tue Sep 21 11:15:03 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
10333 * extend.texi (Bound member functions): Document unbound pmf
10336 Tue Sep 21 14:55:11 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
10338 * flow.c (split_edge): Handle insertion on a fallthrough edge which
10339 has the EXIT_BLOCK as a dest.
10341 Tue Sep 21 14:51:23 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
10343 * flow.c (remove_edge): New function to remove an edge from the
10345 (remove_fake_successors): New function to remove fake successor edges.
10346 (remove_fake_edges): New function to remove all fake edges from the
10348 (add_fake_exit_edges): New function to add fake edges from all blocks
10349 with no successors to the exit block.
10350 * basic-block.h (remove_fake_edges, add_fake_exit_edges): Add
10351 prototypes for new functions.
10353 Tue Sep 21 14:49:53 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
10355 * config/mips/elf64.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR):
10356 Use Pmode to determine whether to output .dword or .word.
10358 Tue Sep 21 11:04:34 1999 Alex Samuel <samuel@codesourcery.com>
10360 * tree.c (built_in_filename): New variable.
10361 (BUILT_IN_FILENAME): New macro.
10362 (init_tree_codes): Allocate built_in_filename.
10363 (make_node): Use built_in_filename instead of string constant.
10365 Tue Sep 21 14:13:27 1999 Nick Clifton <nickc@cygnus.com>
10367 * configure.in: Add fr30 target.
10368 * configure: Regenerate.
10369 * config/fr30: New directory.
10370 * config/fr30/crti.asm: New file.
10371 * config/fr30/fr30.c: New file.
10372 * config/fr30/crtn.asm: New file.
10373 * config/fr30/fr30.h: New file.
10374 * config/fr30/fr30.md: New file.
10375 * config/fr30/lib1funcs.asm: New file.
10376 * config/fr30/t-fr30: New file.
10377 * config/fr30/xm-fr30.h: New file.
10379 Tue Sep 21 06:45:31 1999 Jeffrey A Law (law@cygnus.com)
10381 * flow.c (merge_blocks_move_successor_nojumps): Delete the
10382 BARRIER at the end of the successor, not the BARRIER before
10385 * pa.c (pa_add_gc_roots): Fix thinko in last change.
10387 Tue Sep 21 05:29:17 1999 Richard Earnshaw (rearnsha@arm.com)
10389 * stmt.c (any_pending_cleanups): Don't crash when
10390 current_function->stmt is unset.
10392 Tue Sep 21 00:59:49 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10394 * emit-rtl.c (init_emit_once): Initialize const_int_rtx before
10395 other initializations that may use it for relative offsets.
10397 Mon Sep 20 21:43:25 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10399 * config/i386/sol2.h (PREFERRED_DEBUGGING_TYPE): Use stabs.
10400 (ASM_SPEC): Moved from sol2dbg.h. Added work-around for gas.
10401 * config/i386/sol2dbg.h: Removed.
10402 * config/i386/sol2gas.h: New file, to enable gas work-around.
10403 * configure.in: Use i386/sol2gas.h on Solaris/x86 --with-gas.
10404 Don't use sol2dbg.h.
10405 * configure: Rebuilt.
10407 Mon Sep 20 13:29:41 1999 Mark Mitchell <mark@codesourcery.com>
10409 * invoke.texi (-fthis-is-variable): Remove documentation.
10411 Mon Sep 20 12:59:16 1999 Richard Henderson <rth@cygnus.com>
10413 * basic-block.h (compute_bb_for_insn): Declare.
10414 * flow.c (compute_bb_for_insn): Export. Don't accept the varray
10415 to use; set size of basic_block_for_insn directly.
10416 (find_basic_blocks): Update.
10418 Mon Sep 20 15:11:54 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10420 * flow.c (verify_flow_info): Fix typo, "abort;" -> "abort ();".
10422 Mon Sep 20 14:56:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10424 * crtstuff.c (ON_EXIT): Delete empty macro definition.
10425 (__do_global_ctors_aux): Call atexit(), not ON_EXIT().
10427 Mon Sep 20 15:25:35 1999 Nick Clifton <nickc@cygnus.com>
10429 * c-decl.c (c_decode_option): Extend comment.
10431 Mon Sep 20 14:43:37 1999 Nick Clifton <nickc@cygnus.com>
10433 * toplev.c (progname): Make 'const char *'
10434 (flag_print_mem): Move out of main.
10435 (version_flag): Move out of main.
10436 (filename): Move out of main.
10437 (debug_args): Remove g prefix from options.
10438 (documented_lang_options): Remove cpplib specific options.
10439 (display_help): Add g prefix to debug options.
10440 (check_lang_option): Delete this function.
10441 (decode_d_option): New function: Decode -d... option.
10442 (decode_f_option): New function: Decode -f... option.
10443 (decode_W_option): New function: Decode -W... option.
10444 (decode_g_option): New function: Decode -g... option.
10445 (independent_decode_option): New function: Decode a language
10446 independent command line option.
10447 (main): Invoke lang_decode_option and then
10448 independent_decode_option on each command line option in
10451 Mon Sep 20 05:41:36 1999 Jeffrey A Law (law@cygnus.com)
10453 Revert this change. Gavin's patch to operand_equal_p is a better fix.
10454 * fold-const.c (fold_range_test): Do not try to fold the range
10455 test if the rhs or lhs has side effects.
10457 * basic-block.h (compute_flow_dominators): Declare.
10459 * gcse.c (alloc_code_hoist_mem): New function.
10460 (free_code_hoist_mem, compute_code_hoist_vbeinout): Likewise.
10461 (compute_code_hoist_data, hoist_expr_reaches_here_p): Likewise.
10462 (hoist_code, one_code_hoisting_pass): Likewise.
10463 (gcse_main): If optimizing for size, then hoist expressions
10464 computed in multiple dominated basic blocks.
10466 * gcse.c (invalid_nonnull_info): New function.
10467 (delete_null_pointer_checks): Likewise.
10468 * rtl.h (delete_null_pointer_checks): Declare.
10469 * toplev.c (rest_of_compilation): Call delete_null_pointer_checks.
10471 * flow.c (merge_blocks_move_predecessor_nojumps): New function.
10472 (merge-blocks_move_successor_nojumps): Likewise.
10473 (merge_blocks): Allow merging of some blocks, even if it requires
10474 physical movement of the blocks, but not if it requires new jumps.
10476 * bitmap.c (debug_bitmap_file): Renmaed from bitmap_debug_file.
10477 Callers and prototype changed.
10478 * bitmap.h: Fix debug_bitmap and debug_bitmap_file prototypes.
10480 Mon Sep 20 06:56:32 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10482 * config/sparc/sol2.h (LINK_SPEC): Avoid the duplication of
10483 -YP when both -p and -pg are present. From i386/sol2.h.
10485 Mon Sep 20 10:49:05 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10487 * Makefile.in (distclean): Delete tm_p.h.
10488 * configure.in: Create a new file, "tm_p.h", from a list in
10489 "tm_p_file". For ix86 systems, set up "tm_p_file" to include
10490 "i386/i386-protos.h".
10492 * alias.c: Include "tm_p.h".
10493 * c-typeck.c: Likewise.
10494 * calls.c: Likewise.
10496 * emit-rtl.c: Likewise.
10497 * explow.c: Likewise.
10498 * expmed.c: Likewise.
10499 * expr.c: Likewise.
10500 * final.c: Likewise.
10501 * flow.c: Likewise.
10502 * fold-const.c: Likewise.
10503 * function.c: Likewise.
10504 * gcse.c: Likewise.
10505 * global.c: Likewise.
10506 * haifa-sched.c: Likewise.
10507 * integrate.c: Likewise.
10508 * jump.c: Likewise.
10509 * local-alloc.c: Likewise.
10510 * loop.c: Likewise.
10511 * optabs.c: Likewise.
10512 * recog.c: Likewise.
10513 * reg-stack.c: Likewise.
10514 * regclass.c: Likewise.
10515 * regmove.c: Likewise.
10516 * reload.c: Likewise.
10517 * reload1.c: Likewise.
10518 * reorg.c: Likewise.
10519 * resource.c: Likewise.
10520 * stmt.c: Likewise.
10521 * stor-layout.c: Likewise.
10522 * toplev.c: Likewise.
10523 * tree.c: Likewise.
10524 * unroll.c: Likewise.
10525 * genattrtab.c (main): Make generated file include "tm_p.h".
10526 * genemit.c (main): Likewise.
10527 * genoutput.c (main): Likewise.
10528 * genrecog.c (main): Likewise.
10530 * i386.h: Delete all prototypes.
10531 * i386.c: Include "tm_p.h".
10532 (ix86_attr_length_default): Call constant_call_address_operand
10533 with correct number of arguments.
10534 * i386-protos.h: New file.
10535 * i386.md (unnamed patterns): Call constant_call_address_operand
10536 with correct number of arguments.
10537 (exception_receiver): Call load_pic_register with correct number
10540 Sun Sep 19 14:18:39 1999 Richard Henderson <rth@cygnus.com>
10542 * c-pragma.c (mark_align_stack): Dereference the void* properly.
10544 Sun Sep 19 09:03:40 1999 Mark Mitchell <mark@codesourcery.com>
10546 * rtl.h (insns_safe_to_move_p): New function.
10547 * loop.c (find_and_verify_loops): Use it.
10548 * rtlanal.c (insns_safe_to_move_p): Define it.
10550 Sun Sep 19 02:54:33 1999 Richard Henderson <rth@cygnus.com>
10552 * c-pragma.c: Include ggc.h.
10553 * Makefile.in (c-pragma.o): Update.
10555 Sat Sep 18 16:01:18 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10557 * config/i386/sol2.h (CPP_SPEC): Support -[p]threads
10558 (LIB_SPEC): Likewise.
10559 (LINK_SPEC): Do not assert -z text with -shared -mimpure-text.
10560 Reindent -YP/-p/-pg.
10561 Copied from config/sparc/sol2.h.
10563 Sat Sep 18 11:52:43 1999 Richard Henderson <rth@cygnus.com>
10565 * c-pragma.c (mark_align_stack): New.
10566 (init_pragma): New.
10567 * c-pragma.h (init_pragma): Declare it.
10568 * c-lex.c (init_parse): Call it.
10570 Sat Sep 18 15:20:38 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10572 * configure.in: Pick up thread library on Solaris/x86 just
10573 like on Solaris/sparc.
10574 * configure: Rebuilt.
10576 Sat Sep 18 11:15:58 1999 Alex Samuel <samuel@codesourcery.com>
10578 * rtl.h (global_rtx_index): New enum.
10579 (global_rtl): Change to array of rtx.
10580 (pc_rtx, cc0_rtx): Redefine accordingly.
10581 (cc0_rtx, stack_pointer_rtx, frame_pointer_rtx): Likewise.
10582 (hard_frame_pointer_rtx, arg_pointer_rtx): Likewise.
10583 (virtual_incoming_args_rtx, virtual_stack_vars_rtx): Likewise.
10584 (virtual_outgoing_args_rtx, virtual_cfa): Likewise.
10585 (const_int_rtx): Change to array of rtx.
10586 (const0_rtx, const1_rtx, const2_rtx, constm1_rtx): Redefine
10588 * emit-rtl.c (global_rtl): Change to array of rtx.
10589 (const_int_rtx): Change to aray of rtx.
10590 (gen_rtx_CONST_INT): Redefine accordingly.
10591 (init_emit_once): Allocate and initialize global_rtl. Likewise
10592 for const_int_rtx. Add both as GC roots.
10593 * genattrtab.c (global_rtl): Update declaration.
10595 1999-09-17 Ulrich Drepper <drepper@cygnus.com>
10597 * Makefile (USER_H): Add iso646.h back.
10599 Sat Sep 18 01:07:21 1999 Jeffrey A Law (law@cygnus.com)
10601 * haifa-sched.c (sched_analyze): Use free_INSN_LIST_list instead of
10602 zapping the LOG_LINKS of sched_before_next_call.
10604 * pa.h (INSN_SETS_ARE_DELAYED): Delete.
10605 * pa.c (insn_refs_are_delayed): Renamed from
10606 insn_sets_and_refs_are_delayed.
10608 Fri Sep 17 15:19:01 1999 Mark Mitchell <mark@codesourcery.com>
10610 * functiion.h (struct function): Add x_whole_function_mode_p.
10611 (retrofit_block): Declare.
10612 * function.c (retrofit_block): New function.
10613 (identify_blocks): Add assertions. Allow an incomplete set of
10614 block notes if we're still generating code for the function.
10615 * integrate.c: Include loop.h.
10616 (expand_inline_function): Call find_loop_tree_blocks to map block
10617 notes to blocks when in whole-function mode. Use retrofit_block
10618 to insert new BLOCKs for the inlined function, rather than
10620 * stmt.c (expand_fixup): Likewise. Don't use pushlevel/polevel.
10621 * Makefile.in (integrate.o): Depend on loop.h.
10623 Fri Sep 17 15:11:20 1999 Mark Mitchell <mark@codesourcery.com>
10625 * tree.h (warn_about_unused_variables): Declare.
10626 * stmt.c (warn_about_unused_variables): New function, split out
10628 (expand_end_bindings): Here.
10630 Fri Sep 17 15:07:37 1999 Mark Mitchell <mark@codesourcery.com>
10632 * stmt.c (preserve_subexpressions_p): Don't crash when
10633 current_function->stmt is unset.
10635 Fri Sep 17 15:03:16 1999 Mark Mitchell <mark@codesourcery.com>
10637 * stmt.c (expand_start_bindings): Allow callers to pass a flag
10638 indicating that no NOTE_INSN_BLOCK_BEG note is required.
10639 (expand_start_target_temps): Use it.
10640 * except.c (expand_eh_region_start_for_decl): Likewise.
10641 * expr.c (expand_expr): Likewise.
10643 Fri Sep 17 15:05:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
10645 * fold-const.c (operand_equal_p): Pay attention to side effects.
10647 Fri Sep 17 11:14:17 1999 Jason Merrill <jason@yorick.cygnus.com>
10649 * libgcc2.c (L_exit): Check for ON_EXIT, not HAVE_ON_EXIT.
10650 * sparc/sunos4.h (HAVE_ON_EXIT): Remove.
10652 * tlink.c (scan_linker_output): Look for keywords before accepting
10653 a mangled name in quotes.
10655 Thu Sep 16 16:47:08 1999 Richard Henderson <rth@cygnus.com>
10657 * alpha/alpha-interix.h (DWARF2_UNWIND_INFO): Define to zero.
10658 * alpha/osf2or3.h (DWARF2_UNWIND_INFO): Likewise.
10660 Thu Sep 16 16:35:41 1999 Richard Henderson <rth@cygnus.com>
10662 * alpha.md: Revert Thu Nov 26 change that came in through the
10663 last gcc2 merge: reinstate (plus (plus ...)) reload patterns.
10664 Avoid earlyclobber when possible.
10666 Thu Sep 16 18:44:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10668 * libgcc2.c (__do_global_ctors): Call atexit with one arg.
10670 * sparc/sunos4.h (on_exit): Wrap prototype parameters in PARAMS().
10671 Define HAVE_ON_EXIT.
10673 Thu Sep 16 18:06:35 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10675 * system.h (CTYPE_CONV, TOUPPER, TOLOWER): New macros. Use
10676 CTYPE_CONV in all ctype macros.
10678 * cccp.c (initialize_char_syntax): Use uppercase ctype macro
10681 * cexp.y (initialize_random_junk): Likewise.
10683 * c4x.c (c4x_interrupt_function_p, c4x_handle_pragma): Likewise.
10685 * i370.c (handle_pragma): Likewise.
10687 * i370.h (ASM_OUTPUT_LABELREF, ASM_OUTPUT_ASCII): Likewise.
10689 * v850.c (override_options): Likewise.
10691 * doprint.c (_doprnt): Likewise.
10693 * fixinc/fixincl.c (main, quoted_file_exists, extract_quoted_files):
10696 * fixinc/server.c (load_data): Likewise.
10698 * fold-const.c (real_hex_to_f): Likewise.
10700 * genattr.c (write_upcase, gen_attr): Likewise.
10702 * genattrtab.c (convert_const_symbol_ref, evaluate_eq_attr,
10703 write_upcase): Likewise.
10705 * genemit.c (print_code): Likewise.
10707 * genopinit.c (gen_insn): Likewise.
10709 * genpeep.c (print_code): Likewise.
10711 * genrecog.c (print_code): Likewise.
10713 * optabs.c (init_libfuncs): Likewise.
10715 Thu Sep 16 14:03:32 1999 Mark Mitchell <mark@codesourcery.com>
10717 * haifa-sched.c (sched_analyze): Keep the list of notes organized
10719 (reemit_notes): Likewise.
10721 Thu Sep 16 11:50:52 1999 Alex Samuel <samuel@codesourcery.com>
10723 * ggc.h (ggc_root): Move to ggc-common.c.
10725 (ggc_mark_rtx, ggc_mark_tree): Change to macro.
10726 (ggc_mark_rtvec, ggc_mark_tree_varray): Declare extern.
10727 (ggc_mark_tree_hash_table, ggc_mark_string, ggc_mark): Likewise.
10728 (ggc_mark_roots, ggc_mark_rtx_children, ggc_mark_tree_children): New.
10729 * ggc-common.c (ggc_root): Move from ggc.h.
10730 (roots): Declare, static.
10731 (ggc_mark_rtx, ggc_mark_tree): Renamed to...
10732 (ggc_mark_rtx_children, ggc_mark_tree_children): Don't check for
10733 null or check/set mark bit.
10734 (ggc_mark_roots): New.
10735 * ggc-simple.c (ggc_collect): Call ggc_mark_roots.
10737 Thu Sep 16 11:37:32 1999 Richard Henderson <rth@cygnus.com>
10739 * m32r.c: Include toplev.h.
10740 (*): Add ATTRIBUTE_UNUSED as needed to arguments.
10741 (gen_compare): Rename swap_p to must_swap to match uses.
10742 Add default abort case.
10743 (m32r_output_function_epilogue): Remove unused variables.
10744 (m32r_print_operand): Use HOST_WIDE_INT_PRINT_HEX.
10745 * m32r.h (PROTO, STDIO_PROTO): Rename XPROTO; unconditionally
10746 define to empty parameter list. Update all uses.
10747 (predicate decls): Use enum machine_mode not int.
10748 * m32r.md (movsi): Call abort, not fatal_insn.
10749 (zero_branch_insn, rev_zero_branch_insn): Add default abort case.
10751 1999-09-14 Andrew Haley <aph@cygnus.com>
10753 * config/mips/mips.md (movsi_usw): if operand 1 is const_int 0,
10754 use $0 instead of 0.
10756 Thu Sep 16 10:53:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10758 * reload1.c (order_regs_for_reload): Move hard_reg_n_uses
10759 computation out of loop over hard regs.
10761 Wed Sep 15 21:37:06 1999 Mark Mitchell <mark@codesourcery.com>
10763 * function.c (identify_blocks): Don't shadow a variable in an
10765 * integrate.c (integrate_decl_tree): Don't use pushlevel,
10766 pushdecl, or poplevel to build up the new BLOCK tree.
10767 (expand_inline_function): Likewise.
10768 (integrate_parm_decls): Likewise.
10770 Wed Sep 15 21:20:38 1999 Mark Mitchell <mark@codesourcery.com>
10772 * c-typeck.c (qualify_type): Merge qualifiers from both types.
10774 1999-09-15 Brad Lucier <lucier@math.purdue.edu>
10776 * toplev.c: Allow -f[no-]math-errno to set (clear) flag_errno_math
10777 * invoke.texi: Document this change.
10779 Wed Sep 15 17:56:00 1999 Richard Henderson <rth@cygnus.com>
10781 * emit-rtl.c (free_emit_status): Don't check DECL_DEFER_OUTPUT.
10783 (mark_emit_status): Renamed from mark_emit_state.
10784 * except.c (mark_eh_status): Renamed from mark_eh_state.
10785 Check not null before marking.
10786 (free_eh_status): New.
10787 * expr.c (mark_expr_status, free_expr_status): New.
10788 * function.c (free_machine_status): New.
10789 (free_after_parsing): New.
10790 (free_after_compilation): Move bits to free_after_parsing; call
10791 free_eh_status, free_expr_status; zero the marked members of the
10793 (prepare_function_start): No can_garbage_collect.
10794 Call init_eh_for_function.
10795 (expand_dummy_function_end): Free up current_function state.
10796 (mark_function_status): Renamed from mark_function_state.
10797 (mark_function_chain): No can_garbage_collect. Call mark_expr_status.
10798 * function.h (struct function): No can_garbage_collect.
10799 (free_machine_status, free_after_parsing): Declare.
10800 (free_eh_status, free_expr_status): Declare.
10801 * ggc.h (mark_expr_status): Declare.
10802 * stmt.c (free_stmt_status): Free the struct.
10803 (mark_stmt_status): Renamed from mark_stmt_state.
10804 (init_stmt): Don't call init_eh.
10805 (init_stmt_for_function): Don't call init_eh_for_function.
10806 * toplev.c (compile_file): Call init_eh.
10807 (rest_of_compilation): Free basic block info before ggc_collect.
10808 Call free_after_parsing; conditionally call free_after_compilation.
10809 * varasm.c (mark_varasm_status): Renamed from mark_varasm_state.
10810 Check not null before marking.
10811 (free_varasm_status): Don't check DECL_DEFER_OUTPUT. Free the struct.
10813 Wed Sep 15 17:53:16 1999 Richard Henderson <rth@cygnus.com>
10815 * c-lex.c (yylex): Initialize warn.
10817 Wed Sep 15 18:35:38 1999 Jeffrey A Law (law@cygnus.com)
10819 * pa.c (emit_move_sequence): Properly set the mode of the scratch
10820 register when performing secondary reloads for the SAR register.
10822 Wed Sep 15 15:51:52 1999 Mark Mitchell <mark@codesourcery.com>
10824 * rtl.h (NOTE_BLOCK_NUMBER): Replace with ...
10825 (NOTE_BLOCK): New macro.
10826 (NOTE_BLOCK_LIVE_RANGE_BLOCK): Remove.
10827 * function.h (identify_blocks): Change prototype.
10828 * function.c (identify_blocks): Simplify.
10829 (reorder_blocks): Likewise.
10830 * ggc-common.c (ggc_mark_rtx): Mark the BLOCK associated with a
10831 NOTE_INSN_BLOCK_{BEG,END}.
10832 * haifa-sched.c (sched_analyze): Don't put NOTE_BLOCK_NUMBER on
10833 the list of saved notes if the note isn't a
10834 NOTE_INSN_BLOCK_{BEG,END}.
10835 (move_insn1): Use NOTE_EH_HANDLER in comment, rather than
10837 (reemit_notes): Adjust recreation of notes to reflect new saved
10839 * print-rtl.c (print_rtx): Print the address of the BLOCK when
10840 printing a block note.
10841 * stmt.c (block_vector): Remove.
10842 (find_loop_tree_blocks): Simplify.
10843 (unroll_block_trees): Likewise.
10844 * tree.h (reorder_block): Change prototype.
10846 Wed Sep 15 14:39:35 1999 Jason Merrill <jason@yorick.cygnus.com>
10848 * gbl-ctors.h: Lose HAVE_ATEXIT. Don't define ON_EXIT.
10849 * libgcc2.c: Lose obsolete defn of WEAK_ALIAS.
10850 (__bb_init_func, __bb_init_prg): Use atexit instead of ON_EXIT.
10851 (__do_global_dtors): Likewise. Don't mess with _exit_dummy_decl.
10852 (atexit, exit): Simplify.
10853 * tm.texi: Document NEED_ATEXIT and ON_EXIT. Remove HAVE_ATEXIT.
10854 * config/lots: Remove defns of HAVE_ATEXIT.
10856 Wed Sep 15 10:25:12 1999 Mark Mitchell <mark@codesourcery.com>
10858 * calls.c (precompute_arguments): Fix typo in comment.
10859 * expr.c (preexpand_calls): Don't preexpand the cleanup in a
10862 Wed Sep 15 09:59:59 1999 Mark Mitchell <mark@codesourcery.com>
10864 * dsp16xx.c (override_options): Fix typos in GC root registration.
10866 Wed Sep 15 15:23:28 1999 Philip Blundell <pb@nexus.co.uk>
10868 * config/arm/linux-elf.h (MAKE_DECL_ONE_ONLY): Copy definition
10869 from config/svr4.h.
10870 (UNIQUE_SECTION_P, UNIQUE_SECTION): Likewise.
10871 (FUNCTION_PROFILER): Redefine appropriately for Linux.
10872 (CC1_SPEC): Likewise.
10874 Wed Sep 15 10:09:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10876 * genattr.c (main): Add extern prototype. Call return, not exit.
10877 * genattrtab.c (main): Likewise.
10878 * gencheck.c (main): Likewise.
10879 * gencodes.c (main): Likewise.
10880 * genconfig.c (main): Likewise.
10881 * genemit.c (main): Likewise.
10882 * genextract.c (main): Likewise.
10883 * genflags.c (main): Likewise.
10884 * gengenrtl.c (main): Likewise.
10885 * genopinit.c (main): Likewise.
10886 * genoutput.c (main): Likewise.
10887 * genpeep.c (main): Likewise.
10888 * genrecog.c (main): Likewise.
10890 * genattr.c (get_insn_name): Mark parameter with ATTRIBUTE_UNUSED.
10891 * genattrtab.c (get_insn_name): Likewise.
10892 * gencodes.c (get_insn_name): Likewise.
10893 * genconfig.c (get_insn_name): Likewise.
10894 * genemit.c (get_insn_name): Likewise.
10895 * genextract.c (get_insn_name): Likewise.
10896 * genflags.c (get_insn_name): Likewise.
10897 * genopinit.c (get_insn_name): Likewise.
10898 * genpeep.c (get_insn_name): Likewise.
10900 * gencheck.c (usage): Add static prototype.
10901 * genextract.c (print_path): Constify a char*.
10902 * genopinit.c (optabs): Likewise.
10903 * genoutput.c (operand_data, data, output_predicate_decls,
10904 compare_operands): Likewise.
10905 * genrecog.c (write_tree): Add default case in switch.
10907 Wed Sep 15 09:59:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10909 * rtl.h (get_insn_name, print_rtl_with_bb): Add prototypes.
10911 * print-rtl.c (get_insn_name): Remove prototype.
10913 * toplev.h (progname): Declare const.
10915 * toplev.c (init_decl_processing, init_obstacks, init_tree_codes,
10916 init_regs, init_optabs, init_stmt, init_reg_sets, dump_flow_info,
10917 dump_sched_info, dump_local_alloc, regset_release_memory,
10918 print_rtl, print_rtl_with_bb, rest_of_decl_compilation,
10919 error_with_file_and_line, error_with_decl, error_for_asm, error,
10920 fatal, warning_with_file_and_line, warning_with_decl, warning,
10921 pedwarn, pedwarn_with_decl, pedwarn_with_file_and_line, sorry):
10922 Remove redundant prototypes.
10924 (notice, check_lang_option, report_file_and_line, vnotice,
10925 mark_file_stack): Add static prototype.
10926 (set_fatal_function): Add prototype.
10927 (vnotice, report_file_and_line, set_fatal_function,
10928 check_lang_option): Constify a char*.
10929 (main): Prototype. Call return, not exit.
10931 Wed Sep 15 09:50:18 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10933 * aclocal.m4 (AC_GCC_C_LONG_DOUBLE): New macro.
10935 * configure.in (AC_GCC_C_LONG_DOUBLE): Call it.
10937 * gansidecl.h (HAVE_LONG_DOUBLE): Define if gcc for stage2.
10939 * ggc-simple.c (HAVE_LONG_DOUBLE): Test before using long double.
10941 Wed Sep 15 11:04:43 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10943 * function.c (assign_parms): Delete arg SECOND_TIME. Don't test it,
10944 behave as if it's zero in all cases.
10945 (expand_function_start): Adjust call to assign_parms.
10946 * tree.h (assign_parms): Adjust prototype.
10947 * objc/objc-act.c (hack_method_prototype): Adjust call to
10950 Tue Sep 14 21:47:06 1999 Jeffrey A Law (law@cygnus.com)
10952 * cse.c (FIXED_BASE_PLUS_P): Do not consider referneces to
10953 arg_pointer_rtx fixed if the argument pointer register is
10955 (NONZERO_BASE_PLUS_P): Likewise.
10957 Tue Sep 14 20:26:02 1999 Richard Henderson <rth@cygnus.com>
10959 * rtl.def (match_insn, match_insn2): Remove match_insn; rename
10960 match_insn2 to match_insn.
10961 * genrecog.c (add_to_sequence): Rename MATCH_INSN2.
10963 Tue Sep 14 20:10:29 1999 Richard Henderson <rth@cygnus.com>
10965 * Makefile.in (USER_H): Remove va-foo.h.
10967 * ginclude/{va-alpha.h,va-arc.h,va-c4x.h,va-clipper.h,va-h8300.h,
10968 va-i860.h,va-i960.h,va-m32r.h,va-m88k.h,va-mips.h,va-mn10200.h,
10969 va-mn10300.h,va-pa.h,va-ppc.h,va-pyr.h,va-sh.h,va-sparc.h,
10970 va-spur.h,va-v850.h}: Remove.
10972 Tue Sep 14 19:43:16 1999 Richard Henderson <rth@cygnus.com>
10974 * sparc/sparc.md (eligible_for_return_delay): New attribute.
10975 (in_return_delay): Use it instead of match_insn.
10977 Tue Sep 14 23:05:37 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10979 * config/alpha/va_list.h (va-alpha.h): Do not include.
10980 (__gnuc_va_list): Typedef as in varargs.h.
10982 Tue Sep 14 18:14:03 1999 Richard Henderson <rth@cygnus.com>
10984 * ggc-common.c (ggc_mark_tree): Mark DECL_SOURCE_FILE and
10985 DECL_LIVE_RANGE_RTL.
10987 Tue Sep 14 16:47:08 1999 Mark Mitchell <mark@codesourcery.com>
10989 * except.c (expand_eh_region_start_for_decl): Use NOTE_EH_HANDLER,
10990 not NOTE_BLOCK_NUMBER.
10991 (expand_eh_region_end): Likewise.
10992 (find_exception_handler_labels): Likewise.
10993 (scan_region): Likewise.
10994 (exception_optimize): Likewise.
10995 (update_rethrow_references): Likewise.
10996 (set_insn_eh_region): Likewise.
10997 * final.c (final_scan_insn): Likewise.
10998 * flow.c (make_edges): Likewise.
10999 * integrate.c (expand_inline_function): Likewise.
11000 * print-rtl.c (print_rtx): Likewise.
11002 Tue Sep 14 16:30:16 1999 Richard Henderson <rth@cygnus.com>
11004 * ginclude/stdarg.h, ginclude/varargs.h: Implement in
11005 terms of builtin functions and types.
11007 * mips.c (mips_build_va_list): New.
11008 (mips_va_start, mips_va_arg): New.
11009 * mips.h (BUILD_VA_LIST_TYPE): New.
11010 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
11012 * sh.c (sh_builtin_saveregs): Use get_varargs_alias_set.
11013 (sh_build_va_list, sh_va_start, sh_va_arg): New.
11014 * sh.h (BUILD_VA_LIST_TYPE): New.
11015 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
11017 Tue Sep 14 16:20:24 1999 Richard Henderson <rth@cygnus.com>
11019 * recog.h (struct recog_data): Make dup_num, operand_address_p,
11020 n_operands, n_dups, n_alternatives `char' instead of `unsigned char'.
11021 (struct insn_data): Likewise with n_operands, n_dups,
11022 n_alternatives, output_format.
11023 * regclass.c (scan_one_insn): Cast n_operands to int before
11024 arithmetic inside comparison.
11026 Tue Sep 14 15:13:36 1999 Richard Henderson <rth@cygnus.com>
11028 * toplev.c (compile_function): Unconditionally emit nop.
11030 Tue Sep 14 14:41:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11032 * haifa-sched.c (actual_hazard): Move declaration of variable
11033 `this_cost' into the scope where it is used.
11035 Tue Sep 14 14:14:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11037 * c-pragma.c (handle_pragma_token): Wrap variables `name' and
11038 `value' in HANDLE_PRAGMA_WEAK. Wrap variable `align' in
11039 HANDLE_PRAGMA_PACK||HANDLE_PRAGMA_PACK_PUSH_POP.
11041 * genrecog.c (make_insn_sequence): Call memset, not bzero.
11043 * jump.c (find_insert_position): Don't declare or define unless
11044 !HAVE_conditional_arithmetic.
11045 (returnjump_p_1, delete_prior_computation): Add static prototypes.
11047 * mips-tdump.c (fatal, fancy_abort, main): Add extern prototypes.
11049 * recog.c (offsettable_address_p): Prototype function pointer.
11050 (preprocess_constraints): Call memset, not bzero.
11052 * tree.c (tree_node_kind_names): Constify a char*. Make static.
11053 (gcc_obstack_init): Don't declare.
11054 (fix_sizetype): Add static prototype.
11055 (gcc_obstack_init): Use prototype casts in call to _obstack_begin.
11056 (tree_cons): Call memset, not bzero.
11058 * varasm.c (remove_from_pending_weak_list): Wrap declaration and
11059 definition in macro ASM_WEAKEN_LABEL.
11060 (mark_const_hash_entry): Add static prototype.
11062 Tue Sep 14 12:22:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11064 * c-lex.c (handle_generic_pragma): Remove unused variable `c'.
11066 * unroll.c (find_common_reg_term, subtract_reg_term,
11067 loop_find_equiv_value): Add static prototypes.
11068 (unroll_loop): Wrap variable `prev' in macro HAVE_cc0.
11069 (copy_loop_body): Remove unreachable break statement.
11071 * sparc.c (sparc_va_arg): Remove unused variable `tmp'.
11073 * sparc.h (sparc_va_start, sparc_va_arg): Add extern prototypes.
11075 Tue Sep 14 15:28:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11077 Undo some changes from the gcc2 merge:
11078 * rtl.def (CONSTANT_P_RTX): Fix the comment for this rtx code.
11079 * emit-rtl.c (gen_rtx_REG): Don't test special reg rtx's for null
11083 Sat Oct 3 07:20:28 1998 Stephen L Moshier <moshier@world.std.com>
11084 * emit-rtl.c (gen_lowpart_common): Disable optimization of
11085 initialized float-int union if the value is a NaN.
11087 Tue Sep 14 04:03:44 1999 Mumit Khan <khan@xraylith.wisc.edu>
11089 * gthr-win32.h: New file.
11091 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Recognize
11092 shared as a valid attribute.
11093 * i386/cygwin.h (ASM_OUTPUT_SECTION): Handle shared attribute.
11094 * extend.texi: Document `shared' variable attribute.
11096 Tue Sep 14 04:01:46 1999 Loren Rittle <ljrittle@acm.org>
11098 * configure.in: Handle --enable-threads on FreeBSD.
11099 * configure: Rebuit.
11101 Tue Sep 14 03:58:44 1999 Andreas Jaeger <aj@arthur.rhein-neckar.de>
11103 * configure.in: Add crtbeginS.o, crtendS.o for mips-linux; add
11105 * configure: Rebuilt.
11107 Tue Sep 14 03:47:23 1999 Joel Sherrill <joel@OARcorp.com>
11108 Charles-Antoine Gauthier <charles.gauthier@iit.nrc.ca>
11109 Rosimildo DaSilva <rdasilva@connecttel.com>
11111 * configure.in (m68k-*-rtemscoff*): Added.
11112 * configure.in (mips64orion-*-rtems*): Converted to ELF.
11113 * configure.in (sparc-*-rtemsaout*): Added as alias for old
11114 sparc-rtems configuration.
11115 * configure.in (sparc-*-rtemself*): Added.
11116 * configure.in (sparc-*-rtems*): Now ELF not a.out.
11117 * config/i386/rtems.h: Added comment.
11118 * config/sparc/rtemself.h: New file.
11120 * configure.in (m68k-rtemself): Added.
11121 * config/elfos.h: Added ifndef wrapper for DWARF2_DEBUGGING_INFO
11122 and DWARF_DEBUGGING_INFO.
11123 * config/m68k/crti.s: New file.
11124 * config/m68k/crtn.s: New file.
11125 * config/m68k/t-crtstuff: New file.
11126 * config/m68k/rtemself.h: New file.
11128 * configure.in (i[[34567]]86-*-rtemself*): Now uses crtstuff for
11129 global ctor/dtor and C++ exception handling.
11130 * config/i386/rtemself.h: Now uses crtstuff (crti.o + crtbegin.o)
11131 for STARTFILE_SPEC and crtstuff (crtend.o + crtn.o) for
11133 * config/i386/t-rtems-i386: New File.
11135 Tue Sep 14 09:47:41 1999 Andreas Schwab <schwab@suse.de>
11137 * stmt.c (expand_end_case): Return right away if the case stack is
11140 Tue Sep 14 01:47:19 1999 Jeffrey A Law (law@cygnus.com)
11142 * Makefile.in (version.c): Remove rule incorrectly brought in from
11145 Tue Sep 14 01:42:27 1999 Marc Espie <espie@cvs.openbsd.org>
11147 * Makefile.in: Prepend $(SHELL) to move-if-change calls.
11148 * msdos/top.sed: Take into account a prepended $(SHELL) to
11150 * winnt/config-nt.sed: Likewise. Kill bogus substitution.
11152 * objc/Make-lang.in: Prepend $(SHELL) to move-if-change calls.
11154 Tue Sep 14 01:38:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11156 * regmove.c (fixup_match_1): Don't change an unchanging register.
11157 (stable_but_for_p): Renamed to:
11158 (stable_and_no_regs_but_for_p). Reject unchanging registers too.
11159 Changed all callers.
11161 Tue Sep 14 01:33:15 1999 Andreas Schwab <schwab@suse.de>
11163 * loop.c (strength_reduce): Don't call reg_used_between_p if the
11164 insn from BL2 is after the insn from BL.
11166 Mon Sep 13 21:06:01 1999 Richard Henderson <rth@cygnus.com>
11168 * recog.h (INSN_OUTPUT_FORMAT_*): New.
11169 (struct insn_data): Merge `template' and `outfun' into `output'.
11170 Add `output_format'.
11171 * genoutput.c (INSN_OUTPUT_FORMAT_*): New.
11172 (struct data): Remove `outfun'; add `output_format'.
11173 (name_for_index): Remove declaration.
11174 (output_insn_data): Handle output formats.
11175 (process_template): Emit the bare array for @.
11176 (gen_expand, gen_split): Set output_format to NONE.
11177 * output.h (get_insn_template): Declare.
11178 * final.c (get_insn_template): New.
11179 (final_scan_insn): Use it.
11180 * toplev.c (compile_file): Likewise.
11182 * c4x/c4x.c (c4x_process_after_reload): Likewise.
11183 * i860/i860.c (output_delayed_branch): Likewise.
11184 (output_delay_insn): Likewise.
11186 1999-09-13 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11188 * rtl.c (obstack_alloc_rtx): Removed.
11190 1999-09-13 17:03 -0700 Zack Weinberg <zack@bitmover.com>
11192 * config/gmicro/gmicro.md: Disable move DF->DI anonymous pattern.
11194 Mon Sep 13 15:21:46 1999 Richard Henderson <rth@cygnus.com>
11196 * i386.c (call_insn_operand): Reject const_int.
11197 (expander_call_insn_operand): Use call_insn_operand.
11199 Mon Sep 13 17:44:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11201 * gcc.c (getrusage): Wrap prototype arguments in PROTO().
11203 1999-09-13 12:18 -0700 Zack Weinberg <zack@bitmover.com>
11205 * config/i370/i370.md (mulsi, divsi, modsi anonymous insns):
11206 Use DImode operation.
11208 1999-09-13 12:13 -0700 Zack Weinberg <zack@bitmover.com>
11210 * gcc.c: Include sys/resource.h.
11211 (report_times): New flag.
11212 (execute): If report_times is set, calculate and report the
11213 CPU time consumed by each subprocess.
11215 (rus, prus): New globals.
11216 (option_map): Add --time.
11217 (display_help): Document -time.
11218 (process_command): Set report_times if -time is given.
11219 Turn off -pipe if -time is given.
11221 * invoke.texi: Document new option -time.
11223 * configure.in: Check for getrusage. Check if we have to
11224 prototype getrusage.
11225 * acconfig.h: Add NEED_DECLARATION_GETRUSAGE.
11226 * configure: Regenerate.
11227 * config.in: Regenerate.
11229 Mon Sep 13 12:57:06 1999 Dave Brolley <brolley@cygnus.com>
11231 * cppinit.c (append_include_chain): Initialize 'next' and 'alloc'
11234 Mon Sep 13 10:01:33 1999 Nick Clifton <nickc@cygnus.com>
11236 * config/fp-bit.c: Define L_thenan_sf or L_thenan_df (as
11237 appropriate) if FINE_GRAINED_LIBRARIES is not defined.
11238 (nan): Return _thenan_sf or _thenan_df as appropriate.
11239 (L_thenan_sf): Define _thenan_sf.
11240 (L_thenan_df): Define _thenan_df.
11242 * Makefile.in (FPBIT_FUNCS): Add _thenan_sf.
11243 (DPBIT_FUNCS): Add _thenan_df.
11245 Mon Sep 13 09:38:53 1999 Andreas Schwab <schwab@suse.de>
11247 * tree.c (fix_sizetype): Exchange the types for TYPE_SIZE and
11250 Sun Sep 12 23:28:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11252 * Makefile.in (gcc.o, gccspec.o, cppspec.o): Depend on gcc.h.
11255 (lang_specific_driver): Don't take a function pointer parameter.
11256 All callers changed.
11258 * gcc.c: Include gcc.h.
11259 (do_spec, fancy_abort,lang_specific_driver,lang_specific_pre_link,
11260 lang_specific_extra_outfiles, fatal): Don't declare.
11261 (multilib_defaults_raw): Constify.
11262 (read_specs): Call memset, rather than bzero.
11263 (main): Call return, not exit.
11264 (lookup_compiler): Call memcpy, not bcopy.
11265 (fatal): Make extern.
11267 * cppspec.c: Include gcc.h.
11268 (lang_specific_driver): Initialize variable `quote'. Constify a
11269 char*. All calls to the function pointer parameter now
11270 explicitly call `fatal'.
11272 * gccspec.c (lang_specific_driver): Include gcc.h.
11274 Sun Sep 12 19:52:10 1999 Richard Earnshaw <rearnsha@arm.com>
11276 * arm.c (note_invalid_constants): Use recog_data.operand_type
11279 Sun Sep 12 15:53:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11281 * tree.h (build_common_tree_nodes, build_common_tree_nodes_2):
11284 * reload.h (reload_in, reload_out, reload_in_reg, reload_out_reg,
11285 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
11286 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
11287 reload_secondary_in_reload, reload_secondary_out_reload,
11288 reload_secondary_in_icode, reload_secondary_out_icode,
11289 reload_reg_rtx, reload_when_needed): Delete declarations.
11290 (struct reload): New structure.
11291 (rld): Declare new array.
11292 * reload.c (reload_in, reload_out, reload_in_reg, reload_out_reg,
11293 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
11294 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
11295 reload_secondary_in_reload, reload_secondary_out_reload,
11296 reload_secondary_in_icode, reload_secondary_out_icode,
11297 reload_reg_rtx, reload_when_needed): Delete definitions.
11299 (whole file): Replace uses of the deleted arrays with uses of rld.
11300 * reload1.c (whole file): Replace uses of the deleted arrays with
11302 (choose_reload_regs): Copy in/out of save_reload_reg_rtx with
11303 explicit loops, not with bcopy.
11305 Sun Sep 12 05:00:24 1999 Richard Henderson <rth@cygnus.com>
11307 * recog.h (insn_template, insn_outfun, insn_n_operands, insn_n_dups,
11308 insn_n_alternatives, insn_operand_constraint, insn_operand_address_p,
11309 insn_operand_mode, insn_operand_strict_low, insn_operand_predicate,
11310 insn_name): Delete and consolidate into new structures.
11311 (insn_operand_predicate_fn): New.
11312 (insn_output_fn): New.
11313 (insn_gen_fn): New.
11314 (struct insn_operand_data): New.
11315 (struct insn_data): New.
11317 (OUT_FCN): Update for insn_data change.
11318 * builtins.c (expand_builtin_strlen): Likewise.
11319 (expand_builtin_memcmp): Likewise.
11320 * combine.c (make_extraction, simplify_comparison): Likewise.
11321 * cse.c (canon_reg, cse_insn): Likewise.
11322 * explow.c (allocate_dynamic_stack_space, probe_stack_range): Likewise.
11323 * expmed.c (store_bit_field, extract_bit_field): Likewise.
11324 (emit_store_flag): Likewise.
11325 * expr.c (convert_move, emit_block_move): Likewise.
11326 (clear_storage, emit_push_insn, expand_increment): Likewise.
11327 (do_store_flag): Likewise.
11328 * expr.h (GEN_FCN): Likewise.
11329 (insn_gen_function): Die.
11330 * final.c (final_scan_insn): Update for insn_data change.
11331 (output_asm_name): Likewise.
11332 * function.c (fixup_var_refs_1): Likewise.
11333 * loop.c (check_dbra_loop): Likewise.
11334 * optabs.c (expand_binop, expand_twoval_binop): Likewise.
11335 (expand_unop, expand_complex_abs, emit_unop_insn): Likewise.
11336 (prepare_cmp_insn, prepare_operand, emit_indirect_jump): Likewise.
11337 (emit_conditional_move, gen_add2_insn, gen_sub2_insn): Likewise.
11338 * recog.c (validate_replace_rtx_1, extract_insn): Likewise.
11339 * regmove.c (gen_add3_insn): Likewise.
11340 * reload.c (push_secondary_reload, combine_reloads): Likewise.
11341 (find_reloads, find_reloads_address_1): Likewise.
11342 (debug_reload_to_stream): Likewise.
11343 * reload1.c (emit_reload_insns, gen_reload): Likewise.
11344 * stmt.c (expand_end_case): Likewise.
11345 * toplev.c (compile_file): Likewise.
11347 * c4x/c4x.c (c4x_process_after_reload): Likewise.
11348 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
11350 * print-rtl.c (insn_name_ptr): Remove declaration.
11351 (get_insn_name): Declare.
11352 (print_rtx): Use it.
11353 * genoutput.c (insn_name_ptr): Remove.
11354 (next_operand_number): New.
11355 (struct operand_data): New.
11356 (null_operand, odata, odata_end): New.
11357 (struct data): Use struct operand_data.
11358 (idata, idata_end): Renamed from insn_data and end_of_insn_data.
11359 (get_insn_name): Renamed from name_for_index.
11360 (output_prologue): Define NO_MD_PROTOTYPES.
11361 (output_predicate_decls): Break out from output_epilogue.
11362 Iterate over the operands list.
11363 (output_operand_data): Break out from output_epilogue. Emit
11364 just the operands list.
11365 (output_insn_data): Break out from output_epilogue. Emit just
11367 (output_epilogue): Remove.
11368 (output_get_insn_name): New.
11369 (constraints, op_n_alternatives, predicates, address_p): Die.
11370 (modes, strict_low, seen): Die.
11371 (scan_operands): Take new param `d' instead of writing to
11372 seven global variables.
11373 (compare_operands): New.
11374 (place_operands): New.
11375 (validate_insn_alternatives): Update for struct data change.
11376 (gen_insn): Don't zero or copy 7 global arrays. Update for
11377 scan_operands; call place_operands.
11378 (gen_peephole, gen_expand, gen_split): Likewise.
11379 (main): Update for new output routines.
11381 * genattr.c (insn_name_ptr): Remove.
11382 (get_insn_name): New function.
11383 * genattrtab.c, gencodes.c, genconfig.c, genemit.c: Likewise.
11384 * genextract.c, genflags.c, genopinit.c, genpeep.c: Likewise.
11385 * genrecog.c: Likewise.
11387 * alpha.md (adddi3): Make `pattern' array static.
11389 Sun Sep 12 22:05:21 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11391 * config/c4x/c4x.h (c4x_rpts_cycles_string,
11392 c4x_cpu_version_string): Constify char *.
11393 * config/c4x/c4x.c (c4x_rpts_cycles_string,
11394 c4x_cpu_version_string): Likewise.
11396 Sat Sep 11 23:28:33 1999 Richard Henderson <rth@cygnus.com>
11398 * tree.c (save_tree_status): Revert 10 Sep change.
11399 (restore_tree_status): Likewise. Call obstack_free with NULL
11400 before freeing the obstack proper.
11402 Sat Sep 11 23:23:46 1999 Richard Henderson <rth@cygnus.com>
11404 * cse.c (cse_main): If gc'ing, collect around cse_basic_block.
11406 * ggc-simple.c (ggc_pop_context): Fold outstanding bytes into
11407 surrounding context.
11409 Sat Sep 11 19:52:43 1999 Mark Mitchell <mark@codesourcery.com>
11411 * tree.c (type_hash_canon): Put all types in the hash-table, when
11414 Sat Sep 11 18:37:04 1999 Richard Henderson <rth@cygnus.com>
11416 * recog.h (struct recog_data, recog_data): New.
11417 (recog_foo variables): Kill.
11418 * recog.c (recog_operand, recog_operand_loc): Kill.
11419 (recog_dup_loc, recog_dup_num, recog_n_operands): Kill.
11420 (recog_n_dups, recog_n_alternatives, recog_operand_mode): Kill.
11421 (recog_constraints, recog_op_type, recog_operand_address_p): Kill.
11422 (recog_data): Define.
11423 (extract_insn): Update all recog_foo references to use recog_data.
11424 (preprocess_constraints, constrain_operands): Likewise.
11425 * final.c (final_scan_insn, cleanup_subreg_operands): Likewise.
11426 * genattrtab.c (main): Likewise.
11427 * genextract.c (main): Likewise.
11428 * genoutput.c: Likewise.
11429 * genrecog.c (write_subroutine, main): Likewise.
11430 * local-alloc.c (block_alloc): Likewise.
11431 * reg-stack.c (record_asm_reg_life, subst_asm_stack_regs): Likewise.
11432 * regclass.c (scan_one_insn, record_reg_classes): Likewise.
11433 * regmove.c (regmove_optimize, find_matches, fixup_match_1): Likewise.
11434 * reload.c (find_reloads, find_reloads_toplev): Likewise.
11435 * reload1.c (maybe_fix_stack_asms, eliminate_regs_in_insn): Likewise.
11436 (reload_cse_simplify_operands): Likewise.
11438 * arc/arc.c (arc_final_prescan_insn): Likewise.
11439 * arm/arm.c (note_invalid_constants, arm_final_prescan_insn): Likewise.
11440 * h8300/h8300.c (notice_update_cc): Likewise.
11441 * i386/i386.c (ix86_attr_length_default, ix86_agi_dependant): Likewise.
11442 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
11443 * mn10200/mn10200.c (notice_update_cc): Likewise.
11444 * mn10300/mn10300.c (notice_update_cc): Likewise.
11445 * romp/romp.c (update_cc): Likewise.
11446 * sparc/sparc.c (check_pic): Likewise.
11447 * v850/v850.c (notice_update_cc): Likewise.
11449 * genemit.c (main): Don't declare recog_operand.
11451 Sat Sep 11 12:41:55 1999 Alex Samuel <samuel@codesourcery.com>
11453 * ggc.h (rtvec_def): Forward declare.
11454 (tree_node): Likewise.
11455 (ggc_root): Define.
11457 (ggc_set_mark_rtx): Add prototype.
11458 (ggc_set_mark_rtvec): Likewise.
11459 (ggc_set_mark_tree): Likewise.
11460 * ggc-simple.c (ggc_root): Don't define.
11461 (roots): Don't declare.
11462 (ggc_mark_rtx): Remove.
11463 (ggc_mark_rtvec): Likewise.
11464 (ggc_mark_tree): Likewise.
11465 (ggc_mark_varray): Likewise.
11466 (ggc_mark_tree_hash_table_entry): Likewise.
11467 (ggc_mark_tree_hash_table): Likewise.
11468 (ggc_set_mart_rtx): New function.
11469 (ggc_set_mark_rtvec): Likewise.
11470 (ggc_set_mark_tree): Likewise.
11471 (ggc_add_root): Remove.
11472 (ggc_add_rtx_root): Likewise.
11473 (ggc_remove_tree_root): Likewise.
11474 (ggc_add_string_root): Likewise.
11475 (ggc_add_tree_varray_root): Likewise.
11476 (ggc_add_tree_hash_table_root): Likewise.
11477 (ggc_del_root): Likewise.
11478 (ggc_mark_rtx_ptr): Likewise.
11479 (ggc_mark_tree_ptr): Likewise.
11480 (ggc_mark_string_ptr): Likewise.
11481 (ggc_mark_tree_varray_ptr): Likewise.
11482 (ggc_mark_tree_hash_table_ptr): Likewise.
11483 * ggc-common.c: New file.
11484 * Makefile.in (OBJS): Add ggc-common.o.
11485 (ggc-common.o): List dependencies.
11487 1999-09-10 22:37 -0700 Zack Weinberg <zack@bitmover.com>
11489 * cppalloc.c (xstrdup): Use memcpy.
11490 * cpperror.c (cpp_print_containing_files): Don't use
11492 * cpplib.c (conditional_skip): Set temp->lineno.
11493 (do_endif): Make error message less obscure.
11494 (if_directive_name): New function.
11495 (cpp_get_token [case EOF]): Unwind the if stack and generate
11496 error messages for each unterminated conditional in this file.
11497 (parse_string): Do not behave differently if -traditional.
11499 Fri Sep 10 14:04:07 1999 Richard Henderson <rth@cygnus.com>
11501 * builtins.c (expand_builtin_va_arg): Cope with an array-type
11502 va_list decomposing to pointer-type.
11503 * rs6000.c (rs6000_va_start) Unwrap the ARRAY_TYPE to get at fields.
11504 (rs6000_va_arg): Likewise.
11506 Fri Sep 10 13:21:21 1999 Jim Wilson <wilson@cygnus.com>
11508 * except.c (start_dynamic_handler): Compute size using
11509 STACK_SAVEAREA_MODE.
11511 Fri Sep 10 16:01:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11513 * protoize.c: Remove various __STDC__ and POSIX hacks. Don't
11514 include directory headers. Don't define strrchr. Don't provide
11515 my_* replacement functions. Prefer PTR over `pointer_type'.
11516 Don't prototype system functions. Don't redefine getopt.
11518 (shortpath, fancy_abort, notice, savestring, dupnstr, substr,
11519 safe_read, safe_write, save_pointers, restore_pointers,
11520 is_id_char, in_system_include_dir, directory_specified_p,
11521 file_excluded_p, unexpand_if_needed, abspath, check_aux_info,
11522 find_corresponding_lparen, referenced_file_is_newer,
11523 save_def_or_dec, munge_compile_params, gen_aux_info_file,
11524 process_aux_info_file, identify_lineno, check_source,
11525 seek_to_line, forward_to_next_token_char, output_bytes,
11526 output_string, output_up_to, other_variable_style_function,
11527 find_rightmost_formals_list, do_cleaning, careful_find_l_paren,
11528 do_processing, is_syscalls_file, rename_c_file, find_extern_def,
11529 find_static_definition, connect_defs_and_decs, add_local_decl,
11530 add_global_decls, needs_to_be_converted, visit_each_hash_node,
11531 add_symbol, lookup, free_def_dec, find_file, reverse_def_dec_list,
11532 edit_fn_declaration, edit_formals_lists, edit_fn_definition,
11533 scan_for_missed_items, edit_file, string_list_cons): Add static
11535 (standard_exec_prefix, target_machine, target_version,
11536 default_syscalls_dir, string_list, string_list_cons, find_file,
11537 do_cleaning): Constify a char*.
11538 (safe_read, safe_write): Use PTR, not a char*.
11539 (is_id_char): Take an int, not a char.
11540 (main): Add prototype. Call return, not exit.
11542 Fri Sep 10 16:48:26 1999 Andrew Haley <aph@cygnus.com>
11544 * tree.c (type_hash_lookup): Check for equal TYPE_ALIGN fields
11545 when comparing types.
11547 Fri Sep 10 08:43:32 1999 Richard Henderson <rth@cygnus.com>
11549 * loop.c (basic_induction_var): Typo NULL_RTX -> NULL.
11550 (strength_reduce): Release the varrays from the no-bivs early exit.
11552 * reload1.c (order_regs_for_reload): Init hard_reg_n_uses before
11553 the loop over the registers.
11555 * tree.c (save_tree_status): Set maybepermanent_firstobj NULL
11557 (restore_tree_status): Check that instead when freeing the obstack.
11559 Wed Sep 8 16:12:04 1999 Andrew Haley <aph@cygnus.com>
11561 * alias.c (rtx_equal_for_memref_p): Allow CONST_DOUBLEs to be used
11564 Fri Sep 10 11:58:55 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11566 * i386.md (ashlqi3): For NON_QI_REG_P regs, use sall. Fix some
11567 operand size modifiers.
11569 Fri Sep 10 10:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11571 * c-common.c (c_common_nodes_and_builtins): Don't build
11573 * c-common.h (enum c_tree_index and related accesor macros): Remove
11574 everything now declared in tree.h.
11575 * c-decl.c (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
11576 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, WCHAR_UNSIGNED, FLOAT_TYPE_SIZE,
11577 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Don't provide defaults.
11578 (error_mark_node, void_type_node, char_type_node, integer_type_node,
11579 unsigned_type_node, ptr_type_node, va_list_type_node,
11580 integer_zero_node, null_pointer_node, integer_one_node): Delete.
11581 (init_decl_processing): Call build_common_tree_nodes and
11582 build_common_tree_nodes_2 instead of building their nodes here.
11583 Don't add roots for these nodes.
11584 * stor-layout.c (size_zero_node, size_one_node): Delete.
11585 (set_sizetype): Make a new node for bitsizetype each time.
11586 * tree.c (global_trees): New variable.
11587 (init_obstacks): Add a gc root for it.
11588 (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
11589 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, FLOAT_TYPE_SIZE,
11590 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Provide defaults.
11591 (build_common_tree_nodes): New function.
11592 (fix_sizetype): New function.
11593 (build_common_tree_nodes_2): New function.
11594 * tree.h (enum tree_index): New.
11595 (global_trees): Declare.
11596 Add accessor macros for all nodes now moved to global_trees.
11597 Delete their declarations.
11599 Thu Sep 9 20:15:46 1999 Richard Henderson <rth@cygnus.com>
11601 * c-decl.c (finish_function): When processing a nested function,
11602 push and pop GC context around rest_of_compilation.
11604 Thu Sep 9 16:42:06 1999 Richard Henderson <rth@cygnus.com>
11606 * i386.c (override_options): Remove ppro, pentium2, and p2 as aliases.
11607 Default ix86_arch to PROCESSOR_I386.
11608 * i386.h (CC1_CPU_SPEC): Don't add -march=foo. Remove -mno-foo.
11609 (CPP_486_SPEC, CPP_586_SPEC, CPP_686_SPEC): Delete.
11610 (CPP_CPU_DEFAULT_SPEC): Define to __tune_foo__.
11611 (CC1_CPU_SPEC): Make -march=foo define __foo__, and provide
11612 __tune_foo__ if no -mcpu. Make -mcpu=bar define __tune_bar__.
11613 (EXTRA_SPECS): Remove deleted specs.
11615 Thu Sep 9 16:03:06 1999 Richard Henderson <rth@cygnus.com>
11617 * function.c (assign_stack_local_1): Allocate from
11618 function->x_frame_offset, not frame_offset.
11620 Thu Sep 9 14:36:31 1999 Mark Mitchell <mark@codesourcery.com>
11622 * ggc.h (lang_cleanup_tree): Remove.
11623 * gcc-simple.c (ggc_free_tree): Don't call lang_cleanup_tree.
11624 * ggc-callbacks.c (lang_cleanup_tree): Remove.
11626 * c-decl.c (finish_struct): Use ggc_alloc to allocate
11627 TYPE_LANG_SPECIFIC when garbage collecting.
11628 (lang_mark_tree): Mark TYPE_LANG_SPECIFIC.
11629 (lang_cleanup_tree): Remove.
11631 Thu Sep 9 14:23:02 1999 Jason Merrill <jason@yorick.cygnus.com>
11633 * defaults.h (EH_FRAME_SECTION, EH_FRAME_SECTION_ASM_OP): Define here.
11634 * crtstuff.c: Not here.
11635 * dwarf2out.c: Or here.
11636 * libgcc2.c (__do_global_ctors, __do_global_dtors): Handle EH frame
11639 Thu Sep 9 09:40:58 1999 Mark Mitchell <mark@codesourcery.com>
11641 * function.h (free_after_compilation): Remove decl parameter.
11642 (free_varasm_status0: Likewise.
11643 (free_emit_status): Likewise.
11644 (free_stmt_status): Likewise.
11645 (free_after_compilation): Likewise.
11646 (init_lang_status): New variable.
11647 (free_lang_status): Likewise.
11648 * emit-rtl.c (free_emit_status): Make decl parameter implicit.
11649 * function.c (init_lang_status): New variable.
11650 (free_lang_status): Likewise.
11651 (push_function_context_to): Don't set function::decl here.
11652 (free_after_copmilation): Make decl parameter implicit. Call
11653 free_lang_status if defined.
11654 (prepare_function_start): Call init_lang_status if defined.
11655 (init_function_start): Set function::decl here.
11656 * profile.c (output_func_start_profiler): Don't call pushdecl
11657 until we've actually started the function.
11658 * stmt.c (free_stmt_status): Make decl parameter implicit.
11659 * toplev.c (rest_of_compilation): Don't pass decl to
11660 free_after_compilation.
11661 * varasm.c (free_varasm_status): Likewise.
11663 Thu Sep 9 17:23:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11665 * except.c (call_get_eh_context): Add root when allocating static
11668 Thu Sep 9 15:24:59 BST 1999 Richard Earnshaw <rearnsha@arm.com>
11670 * arm.c: Include "ggc.h".
11671 (arm_add_gc_roots): New function.
11672 (arm_override_options): Call it.
11673 (aof_pic_entry): Add a GC root for aof_pic_label when it's allocated.
11675 * arm.md (define_asm_attributes): Add a pool_range attribute.
11677 Thu Sep 9 12:32:57 BST 1999 Nathan Sidwell <nathan@acm.org>
11679 * extend.texi (Volatiles): New node.
11681 Thu Sep 9 03:37:31 1999 Richard Henderson <rth@cygnus.com>
11683 * ggc-simple.c (IS_MARKED, IGNORE_MARK): New.
11684 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): New.
11685 (struct ggc_any): Replace `mark' with `magic_mark'.
11686 (ggc_alloc_string): Use memcpy, not bcopy.
11687 (ggc_alloc_any): Set magic_mark. Update bytes_alloced_since_gc.
11688 (ggc_free_{rtx,rtvec,tree,string}): Mark inline.
11689 (ggc_free_any): New.
11690 (ggc_mark_string): Use IGNORE_MARK. Calc back to struct gcc_string.
11691 (ggc_mark): Use IGNORE_MARK. Abort if magic doesn't match.
11692 (ggc_collect): Re-enable collection avoidance. Use GGC_ANY_MARK.
11693 Use IS_MARKED. Use ggc_free_any.
11695 1999-09-09 Scott Bambrough <scottb@netwinder.org>
11697 * config/arm/linux-elf.h: define NO_IMPLICIT_EXTERN_C
11699 Thu Sep 9 01:55:21 1999 Richard Henderson <rth@cygnus.com>
11701 * toplev.c (main): Always init_ggc.
11703 Wed Sep 8 23:53:22 1999 Richard Henderson <rth@cygnus.com>
11705 * except.c (find_all_handler_type_matches): Free the list if
11706 we found no matches.
11708 * combine.c (SUBST): Break out to a real function do_SUBST.
11709 (SUBST_INT): Likewise.
11710 * gcse.c (free_pre_mem): Free `temp_bitmap'.
11711 (pre_insert): Free `inserted'.
11712 * loop.c (basic_induction_var): Always set `location'.
11714 * function.c (expand_function_end): Add initial_trampoline as a root.
11715 * rtl.h (init_varasm_once): Declare.
11716 * toplev.c (compile_file): Call it.
11717 * ggc-simple.c (ggc_mark_string_ptr): New.
11718 (ggc_add_string_root): New.
11719 (ggc_collect): Disable collection avoidance temporarily.
11720 * ggc.h (ggc_add_string_root): Declare.
11721 * except.c (create_rethrow_ref): Use ggc_alloc_string.
11722 * optabs.c (init_libfuncs): Likewise.
11723 * varasm.c (named_section): Use ggc_alloc_string.
11724 (make_function_rtl): Likewise.
11725 (make_decl_rtl): Likewise.
11726 (assemble_static_space): Likewise.
11727 (assemble_trampoline_template): Likewise.
11728 (output_constant_def): Likewise.
11729 (force_const_mem): Likewise.
11730 (mark_const_hash_entry): New.
11731 (mark_pool_sym_hash_table): New.
11732 (mark_varasm_state): Use it.
11733 (init_varasm_once): New.
11735 * expr.h (init_one_libfunc): Declare.
11736 * optabs.c (init_one_libfunc): New.
11737 (init_optabs): Use it.
11738 * config/gofast.h: Likewise.
11739 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Likewise.
11740 * config/sparc/sparc.h (INIT_TARGET_OPTABS): Likewise.
11742 Thu Sep 9 13:46:06 1999 Geoffrey Keating <geoffk@cygnus.com>
11744 * Makefile.in (cppexp.o): Depend on cpphash.h.
11745 * cppexp.c (cpp_lex): Handle `defined (xxx)' for poisoned xxx.
11747 * cpphash.c (special_symbol): Handle plain `xxx' for poisoned xxx.
11748 * cpplib.c (do_define): Generalise to handle poisoned definitions,
11749 redefining poisoned identifiers, etc.
11750 (do_undef): Don't allow poisoned identifiers to be undefined.
11751 (do_pragma): Add #pragma poison.
11752 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
11754 * cccp.c: Add T_POISON node type.
11755 (special_symbol): Handle `defined(xxx)' and plain `xxx' for
11757 (do_define): Generalise to handle poisoned definitions,
11758 redefining poisoned identifiers, etc.
11759 (do_undef): Don't allow poisoned identifiers to be undefined.
11760 (do_pragma): Add #pragma poison.
11761 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
11763 * c-pragma.c (handle_pragma_token): Ignore #pragma poison.
11764 * c-pragma.h: Add ps_poison state. We now always have generic
11767 Wed Sep 8 20:30:42 1999 Mark Mitchell <mark@codesourcery.com>
11769 * ggc.h (ggc_alloc): New function.
11770 (ggc_mark): Likewise.
11771 * ggc-simple.c (ggc_any): New structure.
11772 (ggc_status): Add anys.
11773 (n_anys_collected): New variable.
11774 (ggc_alloc): Define.
11775 (ggc_mark): Likewise.
11776 (ggc_collect): Collect the anys.
11778 Wed Sep 8 20:15:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11780 * c-decl.c (mark_binding_level): Make static to match prototype.
11782 Wed Sep 8 16:41:27 1999 Richard Henderson <rth@cygnus.com>
11784 * flow.c (new_insn_dead_notes): Don't early out for preexisting regs.
11786 Wed Sep 8 16:07:52 1999 Richard Henderson <rth@cygnus.com>
11788 * gengenrtl.c (CONST_DOUBLE_FORMAT): Take the size REAL_ARITHMETIC
11789 will use into account. Expand the max width to 5.
11792 Wed Sep 8 16:01:14 1999 Richard Henderson <rth@cygnus.com>
11794 * ggc-simple.c (ggc_free_rtx): Poison the correct amount
11795 for the rtx length.
11797 Wed Sep 8 15:23:54 1999 Richard Henderson <rth@cygnus.com>
11799 * alpha.md (call value patterns): Remove the result predicates.
11801 Wed Sep 8 13:35:38 1999 Richard Henderson <rth@cygnus.com>
11803 * Makefile.in (stmp-fixinc): Remove extraneous exit 1 from
11806 Wed Sep 8 15:32:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11808 * system.h (sbrk, malloc, calloc, realloc): Backup prototypes
11809 changed from extern char *, to extern PTR. Also fix typo in
11810 NEED_DECLARATION_REALLOC test.
11812 * mips-tdump.c (malloc, calloc, realloc): Don't prototype.
11814 Wed Sep 8 11:40:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11816 * gansidecl.h (__attribute__, ATTRIBUTE_UNUSED_LABEL,
11817 ATTRIBUTE_UNUSED, ATTRIBUTE_NORETURN, ATTRIBUTE_PRINTF,
11818 ATTRIBUTE_PRINTF_1, ATTRIBUTE_PRINTF_2, ATTRIBUTE_PRINTF_3,
11819 ATTRIBUTE_PRINTF_4, ATTRIBUTE_PRINTF_5, GENERIC_PTR): Delete.
11821 * c-decl.c (field_decl_cmp): Use PTR instead of GENERIC_PTR.
11823 * cccp.c (pcfinclude): Likewise.
11825 * global.c (allocno_compare): Likewise.
11827 * haifa-sched.c (rank_for_schedule): Likewise.
11829 * local-alloc.c (qty_sugg_compare_1, qty_compare_1): Likewise.
11831 * reload1.c (hard_reg_use_compare, reload_reg_class_lower): Likewise.
11833 * stupid.c (stupid_reg_compare): Likewise.
11835 * tree.c (_obstack_allocated_p): Likewise.
11837 * varray.h (varray_data_tag, VARRAY_GENERIC_PTR_INIT): Likewise.
11839 1999-09-08 Bruce Korb autogen@linuxbox.com
11841 * gcc/ch/Makefile.in: Give the hapless gperf user a hint about
11842 why "gperf -F" fails.
11843 * gcc/cp/Makefile.in: ditto
11844 * gcc/Makefile.in: ditto
11845 * gcc/java/Makefile.in: ditto
11847 Wed Sep 8 04:43:22 1999 Richard Henderson <rth@cygnus.com>
11849 * lists.c: Include ggc.h.
11851 (init_EXPR_INSN_LIST_cache): Install it.
11853 * ggc-simple.c (init_ggc): Absorb the old init.
11854 (ggc_push_context): Use xcalloc.
11855 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Likewise.
11856 (ggc_collect): Add [rvts] tags to the collection stats.
11858 Wed Sep 8 11:14:25 1999 Andreas Schwab <schwab@suse.de>
11860 * cccp.c (main): Fix handling of -include and -imacros options.
11862 Wed Sep 8 02:23:08 1999 Jeffrey A Law (law@cygnus.com)
11864 * cpplib.c (cpp_push_buffer): Fix order of arguments.
11866 Wed Sep 8 04:44:09 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
11868 * rtl.h (obstack_alloc_rtx): Removed, it's now static in
11871 Wed Sep 8 00:33:43 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
11873 * flow.c (insn_dead_p): Use XEXP rather than SUBREG_REG.
11874 * haifa-sched.c (sched_analyze_1): Use XEXP rather than SUBREG_REG
11875 and SET_DEST. Update comment.
11877 Wed Sep 8 18:55:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11879 * config/c4x/c4x.c: Include ggc.h.
11880 (c4x_add_gc_roots): New function.
11881 (c4x_override_options): Call c4x_add_gc_roots.
11883 Wed Sep 8 00:00:16 1999 Richard Henderson <rth@cygnus.com>
11885 * defaults.h (TARGET_ESC): Move ...
11886 * system.h: ... here, where Linas had it in the first place. Silly me.
11888 Tue Sep 7 23:46:35 1999 Linas Vepstas <linas@linas.org>
11890 * c-common.c: Use ISGRAPH, ISLOWER, toupper.
11891 * c-lex.c, cccp.c, cexp.c, cexp.y, cppexp.c, dwarf2out.c, genattr.c,
11892 genattrtab.c, genemit.c, genextract.c, genpeep.c, tree.c: Likewise.
11893 * system.h (IN_CTYPE_DOMAIN): Define to 1 if HOST_EBCDIC.
11894 * defaults.h (TARGET_ESC): Add default.
11896 Tue Sep 7 23:36:59 1999 Linas Vepstas <linas@linas.org>
11898 * configure.in: add i370-*-openedition, i370-*-mvs and
11899 i370-*-linux targets
11901 Tue Sep 7 23:31:53 1999 Mark Mitchell <mark@codesourcery.com>
11903 * dsp16xxx.c: Include ggc.h
11904 (override_options): Mark GC roots.
11905 * mn10200.c: Include ggc.h.
11906 (asm_file_start): Mark GC roots.
11907 * tahoe.c: Include ggc.h.
11908 (extensible_operand): Mark GC roots.
11910 Tue Sep 7 23:23:15 1999 Linas Vepstas <linas@linas.org>
11912 * README: Add section discussing status of ELF ABI.
11913 * i370.c: Fix misc spelling mistakes.
11914 (i370_label_scan): Updated notes, exception handling.
11915 (i370_function_prolog): Simplify ELF stack handling.
11916 * i370.h: (FIXED_REGISTERS): Free up r12 for ELF.
11917 (STACK_GROWS_DOWNWARD): ELF stack grows down.
11918 (ASM_DECLARE_FUNCTION_NAME): Fix crazy malloc size.
11919 * i370.md: (movdi): Add notes.
11920 (floatsidf2): Use stack not rtca for scratch float area.
11921 (iorsi3): Correct operand constraints.
11922 * x-oe: Restore TAROUTOPTS which are used by pax.
11924 Tue Sep 7 22:39:18 1999 Mark Mitchell <mark@codesourcery.com>
11926 * rs6000.c: Include ggc.h.
11927 (rs6000_add_gc_roots): New function.
11928 (override_options): Call it.
11930 Tue Sep 7 22:09:03 1999 Richard Henderson <rth@cygnus.com>
11932 * alpha.h (alpha_compare): New.
11933 (alpha_compare_op0, alpha_compare_op1, alpha_compare_fp_p): Remove.
11934 * alpha.c: Likewise for the definitions.
11935 (alpha_emit_conditional_branch): Update for alpha_compare.
11936 (alpha_emit_conditional_move): Likewise.
11937 * alpha.md (cmpdf, cmpdi): Likewise.
11938 (setcc patterns): Likewise. Zero alpha_compare after use.
11939 (sne): Optimize (x != 0) into (0U < x).
11941 Tue Sep 7 21:55:02 1999 Richard Henderson <rth@cygnus.com>
11943 * alpha.h (alpha_eh_epilogue_sp_ofs): Remove.
11944 (struct machine_function): Declare; add eh_epilogue_sp_ofs.
11945 (INIT_EXPANDERS): Remove.
11946 * alpha.c: Include ggc.h.
11947 (alpha_eh_epilogue_sp_ofs, alpha_return_addr_rtx): Remove.
11948 (alpha_init_machine_status, alpha_mark_machine_status): New.
11949 (override_options): Install them.
11950 (struct machine_function): Moved to alpha.h.
11951 (alpha_save_machine_status, alpha_restore_machine_status): Remove.
11952 (alpha_init_expanders): Remove.
11953 (alpha_return_addr): Adjust to use current_function->machine.
11954 (alpha_ra_ever_killed): Likewise.
11955 (alpha_expand_epilogue): Likewise.
11956 * alpha.md (eh_epilogue): Likewise.
11958 Wed Sep 8 14:34:42 1999 Ian Piumarta <piumarta@prof.inria.fr>
11959 Melissa O'Neill <oneill@cs.sfu.ca>
11960 Geoffrey Keating <geoffk@cygnus.com>
11962 * config/rs6000/rs6000.c (first_reg_to_save): Don't save fixed or
11963 call-used registers (call-saved registers must still be contiguous
11964 and end with r31, of course).
11966 Tue Sep 7 21:41:38 1999 Richard Henderson <rth@cygnus.com>
11968 * c-typeck.c (type_lists_compatible_p): Use simple_type_promotes_to.
11969 (self_promoting_type_p): Delete.
11970 (self_promoting_args_p): Move ...
11971 * c-common.c: ... here.
11972 (c_common_nodes_and_builtins): Initialize lang_type_promotes_to.
11973 (simple_type_promotes_to): New.
11974 * builtins.c (lang_type_promotes_to): New.
11975 (expand_builtin_va_arg): Use it to give diagnostic for illegal types.
11976 * c-tree.h (C_PROMOTING_INTEGER_TYPE_P): Move ...
11977 * c-common.h: ... here.
11978 (self_promoting_args_p, simple_type_promotes_to): Declare.
11979 * c-decl.c (duplicate_decls): Use simple_type_promotes_to.
11980 (grokdeclarator): Likewise.
11981 * tree.h (lang_type_promotes_to): Declare.
11983 Tue Sep 7 17:15:21 1999 Mark Mitchell <mark@codesourcery.com>
11985 Add some machine-dependent GC roots.
11986 * sparc.c: Include ggc.h.
11987 (sparc_add_gc_roots): New function.
11988 (mark_ultrasparc_pipeline_state): Likewise.
11989 (override_options): Call sparc_add_gc_roots.
11990 * pa.c: Include ggc.h.
11991 (pa_add_gc_roots): New function.
11992 (mark_deferred_plabels): Likewise.
11993 (override_options): Call pa_add_gc_roots.
11994 * mips.c: Include ggc.h.
11995 (mips_add_gc_roots): New function.
11996 (override_options): Use it.
11998 Tue Sep 7 11:39:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12000 * cpperror.c (cpp_file_line_for_message): Constify a char*.
12002 * cppexp.c (parse_number, parse_charconst, cpp_lex,
12003 cpp_parse_expr): Add static prototypes.
12004 (parse_charconst): Don't cast away const-ness.
12005 (token): Constify a char*.
12007 * cppfiles.c (file_name_list, include_hash, find_include_file,
12008 finclude, initialize_input_buffer): Constify a char*.
12009 (file_cleanup, find_position): Add static prototypes.
12011 * cpphash.c (macro_cleanup, macarg, timestamp, special_symbol,
12012 collect_expansion): Add static prototypes.
12013 (cpp_install, create_definition, monthnames): Constify a char*.
12015 * cpphash.h (cpp_install): Likewise.
12017 * cppinit.c (known_suffixes, default_include,
12018 dump_special_to_buffer, NAME, cpp_start_read, cpp_finish): Likewise.
12019 (base_name, dump_special_to_buffer, initialize_dependency_output):
12020 Add static prototypes.
12022 * cpplib.c (my_strerror): Constify a char*.
12023 (null_underflow, null_cleanup, skip_comment, copy_comment,
12024 copy_rest_of_line, handle_directive, pass_thru_directive,
12025 get_directive_token, read_line_number, cpp_print_file_and_line,
12026 v_cpp_error, v_cpp_warning, v_cpp_error_with_line,
12027 v_cpp_warning_with_line, detect_if_not_defined,
12028 consider_directive_while_skipping): Add static prototypes.
12029 (pass_thru_directive, check_macro_name, cpp_expand_to_buffer,
12030 cpp_pedwarn_with_file_and_line): Constify a char*.
12032 * cpplib.h (cpp_options, include_hash, progname, definition,
12033 cpp_pedwarn_with_file_and_line, cpp_expand_to_buffer,
12034 check_macro_name, cpp_pfatal_with_name, cpp_file_line_for_message,
12035 find_include_file, deps_output, include_hash): Constify a char*.
12037 * cppmain.c (progname): Constify.
12038 (main): Add prototype. Use return, not exit.
12040 * fix-header.c (fatal, add_symbols, lookup_std_proto, write_lbrac,
12041 recognized_macro, check_macro_names, read_scan_file, write_rbrac,
12042 inf_skip_spaces, inf_read_upto, inf_scan_ident, inf_scan_ident,
12043 check_protection): Add static prototype.
12045 (progname, recognized_macrom, recognized_extern): Constify a char*.
12046 (main): Add prototype.
12048 * gen-protos.c (progname): Constify a char*.
12050 Tue Sep 7 00:47:52 1999 Mark Mitchell <mark@codesourcery.com>
12052 * emit-rtl.c (free_emit_status): Take decl as a parameter.
12053 (init_emit_once): Add more GC roots.
12054 * except.c (mark_func_eh_entry): New function.
12055 (mark_eh_node): Mark false_label and rethrow_label.
12056 (init_eh): Add more GC roots.
12057 * function.c (free_after_compilation): Take decl as a paramter.
12058 Call free_stmt_status.
12059 (mark_function_state): Don't assume x_parm_reg_stack_loc is
12061 * function.h (free_after_compilation): Change prototype.
12062 (free_varasm_status): Likewise.
12063 (free_emit_status): Likewise.
12064 (free_stmt_status): New function.
12065 * ggc-simple.c (rtx, vecs, trees, strings, bytes_alloced_since_gc):
12066 Remove, replacing with ...
12067 (ggc_status): New structure.
12068 (ggc_chain): New variable.
12069 (init_gcc): Define.
12070 (ggc_push_context): New function.
12071 (ggc_pop_context): Likewise.
12072 (ggc_alloc_rtx): Adjust for use of ggc_chain.
12073 (ggc_alloc_rtvec): Likewise.
12074 (ggc_alloc_tree): Likewise.
12075 (ggc_alloc_string): Likewise.
12076 (ggc_mark_rtx): Mark NOTE_SOURCE_FILE and NOTE_RANGE_INFO.
12077 (ggc_mark_tree): Give language-dependent code a chance to mark
12079 (ggc_mark_tree_varray): Handle empty arrays.
12080 (ggc_collect): Adjust for use of ggc_chain. Clear
12081 bytes_alloced_since_last_gc.
12082 * ggc.h (ggc_pop_context): New function.
12083 (ggc_push_context): Likewise.
12084 * print-tree.c (print_node): Don't print obstacks when GC'ing.
12085 * stmt.c (free_stmt_status): New function.
12086 (init_stmt_for_function): Clear last_expr_value.
12087 * toplev.c (rest_of_compilation): Always call free_after_compilation.
12088 Conditionalize call to ggc_collect.
12089 (main): Call init_ggc.
12090 * tree.c (push_obstacks): Do the push, even when GC'ing.
12091 (push_obstacks_nochange): Likewise.
12092 (pop_obstacks): Liekwise.
12093 * varasm.c (free_varasm_status): Take decl as a parameter.
12095 Tue Sep 7 08:15:49 1999 Gavin Romig-Koch <gavin@cygnus.com>
12097 * config/mips/mips.h (MULTILIB_ENDIAN_DEFAULT) : New macro.
12098 (MULTILIB_ENDIAN_DEFAULT) : Use the new macro.
12099 * config/mips/elf64.h (MULTILIB_DEFAULTS) : Use the new macro.
12100 * config/mips/r3900.h (MULTILIB_DEFAULTS) : Use the new macro.
12102 Tue Sep 7 03:42:45 1999 Mark Klein (mklein@dis.com)
12104 * pa/x-pa-mpeix: New file for the MPE port.
12106 * pa/quadlib.asm: New file for long double support.
12108 * configure.in: Add hppa1.0-*-mpeix for MPE port.
12109 * configure: Rebuilt.
12111 Tue Sep 7 10:08:40 1999 Andreas Schwab <schwab@suse.de>
12113 * final.c (shorten_branches): Fix last change.
12115 Tue Sep 7 00:30:32 1999 Jeffrey A Law (law@cygnus.com)
12117 * pa.h (ASM_OUTPUT_DOUBLE_INT): Delete.
12119 Mon Sep 6 22:44:47 1999 Jeffrey A Law (law@cygnus.com)
12121 * Merge from gcc2 snapshot Jan 9, 1999. See FSFChangeLog for
12124 Mon Sep 6 22:31:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12126 * c-aux-info.c (concat): Don't define.
12128 * cccp.c (my_strerror): Likewise. All callers changed to use
12130 (do_include): Call xstrdup, not xmalloc/strcpy.
12131 (grow_outbuf): Don't check if xrealloc returns NULL, it can't.
12132 (xmalloc, xrealloc, xcalloc, xstrdup): Don't define.
12134 * collect2.c (my_strsignal): Likewise. All callers changed to use
12136 (locatelib): Call xstrdup, not xmalloc/strcpy.
12138 * 1750a.h (ASM_OUTPUT_INTERNAL_LABEL): Call xmalloc, not malloc.
12140 * dsp16xx.c (override_options): Call xstrdup, not xmalloc/strcpy.
12142 * i370.h (ASM_DECLARE_FUNCTION_NAME): Call xmalloc, not malloc.
12144 * mips.c (build_mips16_call_stub): Call xstrdup, not xmalloc/strcpy.
12146 * cppinit.c (cpp_options_init): Call xcalloc, not xmalloc/bzero.
12148 * dwarfout.c (dwarfout_init): Call concat, not xmalloc/strcpy/...
12150 * except.c (new_eh_region_entry): Call xmalloc/xrealloc, not
12152 (find_all_handler_type_matches): Likewise. Don't check return
12154 (get_new_handler, init_insn_eh_region, process_nestinfo): Call
12155 xmalloc, not malloc.
12156 (init_eh_nesting_info): Likewise. Call xcalloc, not xmalloc/bzero.
12158 * gcc.c (xstrerror, xmalloc, xrealloc): Don't define.
12159 (init_spec): Call xcalloc, not xmalloc/bzero.
12160 (set_spec): Call xstrdup, not save_string.
12161 (record_temp_file): Call xstrdup, not xmalloc/strcpy.
12162 (find_a_file): Call xstrdup, not xmalloc/strcpy.
12163 (process_command): Call xstrdup, not save_string.
12164 (main): Call xcalloc, not xmalloc/bzero.
12166 * gcov.c (xmalloc): Don't define.
12167 (create_program_flow_graph): Call xcalloc, not xmalloc/bzero.
12168 (scan_for_source_files): Call xstrdup, not xmalloc/strcpy.
12169 (output_data): Call xcalloc, not xmalloc/bzero.
12171 * haifa-sched.c (schedule_insns): Call xcalloc, not xmalloc/bzero.
12173 * mips-tdump.c (xmalloc): Don't define.
12174 (print_symbol): Call xmalloc, not malloc.
12175 (read_tfile): Call xcalloc, not calloc.
12177 * mips-tfile.c (xfree, my_strsignal, xmalloc, xcalloc, xrealloc):
12178 Don't define. All callers of xfree/my_strsignal changed to use
12179 free/strsignal instead.
12180 (allocate_cluster): Call xcalloc, not calloc.
12182 * objc/objc-act.c (lang_init): Call concat, not xmalloc/strcpy/...
12183 Fix memory leak, free allocated memory.
12185 * prefix.c (translate_name): Call xstrdup, not save_string.
12186 (update_path): Likewise.
12188 * profile.c (branch_prob): Call xstrdup, not xmalloc/strcpy.
12190 * protoize.c (xstrerror, xmalloc, xrealloc, xfree, savestring2):
12191 Don't define. Callers of xfree/savestring2 changed to use
12192 free/concat instead.
12194 * reload1.c (reload): Call xcalloc, not xmalloc/bzero.
12195 (init_elim_table): Likewise.
12197 * resource.c (init_resource_info): Likewise.
12199 * stupid.c (stupid_life_analysis): Likewise.
12201 * toplev.c (xmalloc, xcalloc, xrealloc, xstrdup): Don't define.
12202 (open_dump_file): Call concat, not xmalloc/strcpy/...
12203 (clean_dump_file): Likewise.
12204 (compile_file): Call xstrdup, not xmalloc/strcpy.
12206 Mon Sep 6 15:04:55 1999 Richard Henderson <rth@cygnus.com>
12208 * v850.h (EXPAND_BUILTIN_VA_ARG): New.
12209 * v850.c (v850_va_arg): New.
12211 Tue Sep 7 09:36:01 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12213 * haifa-sched.c: Tidy comments.
12215 Mon Sep 6 14:30:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12217 * Makefile.in (C_AND_OBJC_OBJS): Remove ggc-callbacks.o.
12218 (c-parse.o, c-decl.o, c-lang.o, c-lex.o, c-common.o,
12219 $(out_object_file)): Depend on ggc.h.
12220 * c-common.c: Include "ggc.h".
12221 (combine_strings): If doing GC, use ggc_alloc_string.
12222 * c-decl.c: Include "ggc.h".
12223 (ggc_p): Define with value 0.
12224 (mark_binding_level): New function.
12225 (init_decl_processing): Add GC roots.
12226 (mark_c_function_context): New function.
12227 (lang_mark_false_label_stack): New function.
12228 (lang_mark_tree): New function.
12229 (lang_cleanup_tree): New function.
12230 * c-lang.c: Include "ggc.h".
12231 (lang_init): Call c_parse_init.
12232 * c-lex.c: Include "ggc.h".
12233 (check_linenum): If doing GC, don't copy filenames to permanent
12235 * c-parse.in: Include "ggc.h".
12236 (c_parse_init): New function.
12237 * c-tree.h (c_parse_init, mark_c_function_context): Declare.
12238 * objc/Make-lang.in (objc-parse.o): Depend on ggc.h.
12240 * except.c (mark_eh_state): Mark more state.
12241 * function.c (mark_function_state): Likewise.
12242 * ggc-simple.c (ggc_alloc_rtvec): Bring in sync with non-gc version.
12243 (ggc_alloc_string) [GGC_DUMP]: Fix typo.
12244 * toplev.c (mark_file_stack): New function.
12245 (compile_file): If doing GC, use ggc_alloc_string on input filename.
12246 (main): Add root for input_file_stack.
12248 * i386.c: Include "ggc.h".
12249 (ix86_mark_machine_status): New function.
12250 (override_options): Set mark_machine_status.
12252 Mon Sep 6 15:26:23 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12254 * tree.c (copy_node): Copy node contents also if doing GC.
12256 Mon Sep 6 08:42:06 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
12258 * collect2.c (scan_libraries): Fix double-thinko :-).
12260 Mon Sep 6 02:42:36 1999 Jeffrey A Law (law@cygnus.com)
12262 * collect2.c (scan_libraries): Fix thinko.
12264 * cse.c (delete_trivially_dead_insns): Do not skip the last
12265 insn if it is a real insn.
12267 Sun Sep 5 18:57:42 1999 Mark Mitchell <mark@codesourcery.com>
12269 * Makefile.in (ggc-simple.o): Depend on hash.h.
12270 * ggc.h (ggc_add_tree_hash_table_root): Declare.
12271 (ggc_mark_tree_varray): Likewise.
12272 (ggc_mark_tree_hash_table): Likewise.
12273 * ggc-simple.c: Include hash.h.
12274 (ggc_mark_tree_hash_table_ptr): New function.
12275 (ggc_mark_tree_hash_table_entry): Likewise.
12276 (ggc_mark_tree_hash_table): Likewise.
12277 (ggc_add_tree_hash_table_root): Likewise.
12278 * varray.h (const_equiv_data): Use struct rtx_def *, rather than
12279 rtx, when defining fields.
12281 Sun Sep 5 18:57:42 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
12283 * profile.c (output_func_start_profiler): Remove apparently
12284 nonsensical call to start_sequence.
12286 Sun Sep 5 17:34:33 1999 Richard Henderson <rth@cygnus.com>
12288 * clipper/clipper.c (clipper_va_start): Fix typos.
12290 * pyr/pyr.c (pyr_build_va_list, pyr_va_start, pyr_va_arg): New stubs.
12291 * spur/spur.c (spur_build_va_list, spur_va_start): New stubs.
12292 (spur_va_arg): New stub.
12294 * configure.in: Comment out pyramid.
12296 Sun Sep 5 19:11:01 1999 Michael Meissner <meissner@cygnus.com>
12298 * i386.h (MASK_{DEBUG_{ADDR,ARG},INTEL_SYNTAX}): Move so these
12299 don't conflict with the bits that win32, cygwin, and dgux
12302 Sun Sep 5 09:31:56 1999 Richard Henderson <rth@cygnus.com>
12303 Bernd Schmidt <bernds@cygnus.co.uk>
12305 * integrate.c (function_cannot_inline_p): Do not inline
12306 functions with forced labels.
12308 Sun Sep 5 00:35:17 1999 Richard Henderson <rth@cygnus.com>
12309 Bernd Schmidt <bernds@cygnus.co.uk>
12310 Mark Mitchell <mark@codesourcery.com>
12312 * Makefile.in (ggc-simple.o): Depend on varray.h.
12313 (rtl.o): Depend on ggc.h.
12314 (genattrtab.o): Depend on ggc.h.
12315 (print-tree.o): Likewise.
12316 (fold-const.o): Likewise.
12317 * emit-rtl.c (sequence_element_free_list): Remove, and all references.
12318 (make_insn_raw): Don't cache insns when GC'ing.
12319 (emit_insn_before): Likewise.
12320 (emit_insn_after): Likewise.
12321 (emit_insn): Likewise.
12322 (start_sequence): Use xmalloc to allocate the sequence_stack.
12323 (end_sequence): Add free to free it.
12324 (gen_sequence): Don't cache insns when GC'ing.
12325 (clear_emit_caches): Don't use sequence_element_free_list.
12326 (init_emit): Use xcalloc, not xmalloc+bzero.
12327 * fold-const.c (size_int_wide): Kill the cache, when GC'ing.
12328 * function.c (pop_function_context_from): Use free to free the
12329 fixup_var_refs_queue.
12330 (put_reg_into_stack): Allocate it with xmalloc.
12331 * genattrtab.c: Include ggc.h.
12332 (operate_exp): Don't use obstack_free when GC'ing.
12333 (simplify_cond): Likewise.
12334 (simplify_text_exp): Likewise.
12335 (optimize_attrs): Likewise.
12336 * gengenrtl.c (gendef): Use ggc_alloc_rtx to allocate RTL, when
12338 (gencode): Generate a #include for ggc.h.
12339 * ggc-callbacks.c (ggc_p): Define it to zero.
12340 * ggc-none.c (ggc_p): Likewise.
12341 * ggc-simple.c: Include varray.h.
12342 (ggc_mark_tree_varray): New function.
12343 (ggc_add_tree_varray_root): Likewise.
12344 (ggc_mark_tree_varray_ptr): Likewise.
12345 * ggc.h (ggc_p): Declare.
12346 (varray_head_tag): Likewise.
12347 (ggc_add_tree_varray_root): Declare.
12348 * print-tree.c (print_node): Don't check for TREE_PERMANENT
12349 inconsistencies when GC'ing.
12350 * rtl.c: Include ggc.h.
12351 (rtvec_alloc): Use ggc_alloc_rtvec when GC'ing.
12352 (rtx_alloc): Use ggc_alloc_rtx when GC'ing.
12353 (rtx_free): Don't call obstack_free when GC'ing.
12354 * toplev.c (rest_of_compilation): Call ggc_collect after every
12356 * tree.c (push_obstacks): Do nothing, if GC'ing.
12357 (pop_obstacks_nochange): Likewise.
12358 (pop_obstacks): Likewise.
12359 (make_node): Use ggc_alloc_tree when GC'ing.
12360 (copy_node): Likewise.
12361 (get_identifier): Use ggc_alloc_string when GC'ing.
12362 (build_string): Likewise.
12363 (make_tree_vec): Use ggc_alloc_tree when GC'ing.
12364 (tree_cons): Likewise.
12365 (build1): Likewise.
12366 (type_hash_canon): Don't call obstack_free when GC'ing.
12368 Sat Sep 4 21:52:32 1999 Richard Henderson <rth@cygnus.com>
12370 * haifa-sched.c (schedule_block): Use next_nonnote_insn instead
12371 of NEXT_INSN when examining speculative insns for SCHED_GROUP_P.
12373 Sat Sep 4 20:40:19 1999 Richard Henderson <rth@cygnus.com>
12374 Bernd Schmidt <bernds@cygnus.co.uk>
12375 Mark Mitchell <mark@codesourcery.com>
12377 * Makefile.in (stor-layout.o): Depend on ggc.h.
12378 (expr.o): Depend on ggc.h.
12379 (profile.o): Depend on ggc.h.
12380 (stor-layout.o): Depend on ggc.h.
12381 * emit-rtl.c (init_emit_once): Add gc roots.
12382 * expr.c: Include ggc.h.
12383 (emit_block_move): Add gc roots.
12384 (clear_storage): Likewise.
12385 * expr.h (init_stor_layout_once): New function.
12386 * profile.c: Include ggc.h.
12387 (init_arc_profiler): profiler_label is a root.
12388 * scan.c (make_sstring_space): Trust xrealloc to function
12389 correctly with first parameter NULL.
12390 * stor-layout.c: Include ggc.h.
12391 (set_sizetype): Add gc root.
12392 (init_stor_layout_once): New function.
12393 * toplev.c (compile_file): Call it.
12395 Sat Sep 4 19:26:25 1999 Richard Henderson <rth@cygnus.com>
12396 Bernd Schmidt <bernds@cygnus.co.uk>
12397 Mark Mitchell <mark@codesourcery.com>
12399 * Makefile.in (tree.o): Depend on ggc.h.
12400 (varasm.o): Likewise.
12401 (function.o): Likewise.
12402 (stmt.o): Likewise.
12403 (except.o): Likewise.
12404 (optabs.o): Likewise.
12405 (emit-rtl.o): Likewise.
12406 * emit-rtl.c: Include ggc.h.
12407 (sequence_element_free_list): Remove, and all references.
12408 (mark_sequence): New functions.
12409 (mark_emit_state): New function.
12410 * except.c: Include ggc.h.
12411 (mark_eh_node, mark_eh_stack, mark_eh_queue): New functions.
12412 (mark_tree_label_node): New functions.
12413 (mark_eh_state): New function.
12414 * function.c: Include ggc.h.
12415 (mark_temp_slot, mark_function_chain): New functions.
12416 (mark_function_state): New function.
12417 (init_function_once): New function.
12418 * function.h (init_function_once): New function.
12419 * ggc-callbacks.c (lang_mark_false_label_stack): New function.
12420 * ggc.h (label_node): Declare.
12421 (eh_status, emit_status, stmt_status, varasm_status): Likewise.
12422 (lang_mark_false_label_stack): New function.
12423 (mark_temp_slot): Remove declaration.
12424 (mark_function_chain): Likewise.
12425 (mark_eh_state): Adjust prototype.
12426 (mark_stmt_state, mark_emit_state, mark_varasm_state, mark_optab):
12428 * optabs.c: Include ggc.h.
12429 (mark_optab): New function.
12430 (init_optabs): Add gc roots.
12431 * stmt.c: Include ggc.h.
12432 (mark_cond_nesting, mark_loop_nesting): New functions.
12433 (mark_block_nesting, mark_case_nesting, mark_goto_fixup): Likewise.
12434 (mark_stmt_state): New function.
12435 * toplev.c (compile_file): Call init_function_once.
12436 * tree.c: Include ggc.h.
12437 (type_hash): Move declaration earlier in file.
12438 (TYPE_HASH_SIZE, type_hash_table): Likewise.
12439 (init_obstacks): Add gc roots.
12440 (mark_type_hash): New function.
12441 * varasm.c: Include ggc.h.
12442 (mark_pool_constant): New function.
12443 (mark_varasm_state): New function.
12445 Sat Sep 4 22:28:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12447 * ggc-simple.c (ggc_root, ggc_collect): Wrap prototype with PROTO.
12449 Sat Sep 4 18:01:45 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12451 * c-decl.c (struct language_function): Renamed from struct c_function.
12453 (c_function_chain): Delete.
12454 (push_c_function_context): New arg F. Don't warn about nested
12455 functions here. Fill LANGUAGE elt of F. Delete code to update
12456 c_function_chain. Don't call push_function_context.
12457 (pop_c_function_context): New arg F. Restore from there instead of
12458 from c_function_chain. Don't call pop_function_context. Clear out
12459 LANGUAGE field of F when done.
12460 * c-lang.c: Include "function.h"
12461 (lang_init): Initialize save_lang_status and restore_lang_status.
12462 * c-parse.in (nested_function, nested_function_notype): Warn about
12463 nested functions. Call push_function_context/pop_function_context
12464 instead of the _c_ variants.
12465 * c-tree.h (push_c_function_context, pop_c_function_context): Update
12467 * Makefile.in (c-lang.o): Update dependencies.
12469 * emit-rtl.c (init_emit): Use xmalloc to allocate regno_reg_rtx,
12470 regno_pointer_flag, regno_pointer_align.
12471 (gen_reg_rtx): Use xrealloc to enlarge them.
12472 (free_emit_status): New function.
12473 * function.c (mark_machine_status, mark_lang_status): New variables.
12474 (assign_stack_local_1): Renamed from assign_outer_stack_local. Merge
12475 in some bits from assign_stack_local. All callers changed to use new
12477 (assign_stack_local): Just call assign_stack_local_1.
12478 (free_after_compilation): New function.
12479 (put_reg_into_stack): Simplify to always call assign_stack_local_1.
12480 (trampoline_address): Likewise.
12481 (assign_parms): Use xcalloc/xrealloc to allocate parm_reg_stack_loc.
12482 (prepare_function_start): Explicitly clear some more variables.
12483 * function.h (struct function): New elt can_garbage_collect.
12484 (mark_machine_status, mark_lang_status): Declare variables.
12485 (free_after_compilation, free_emit_status, free_varasm_status,
12486 init_varasm_status): Declare functions.
12487 * toplev.c (rest_of_compilation): Call free_after_compilation when
12488 done with the current function.
12489 * varasm.c (free_varasm_status): New function.
12491 Sat Sep 4 17:15:13 1999 Richard Henderson <rth@cygnus.com>
12493 * sparc.h (EXPAND_BUILTIN_VA_START): Define.
12494 (EXPAND_BUILTIN_VA_ARG): Define.
12495 * sparc.c (sparc_va_start): New.
12496 (sparc_va_arg): New.
12498 Sun Sep 5 11:11:59 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12500 * config/c4x/c4x.h (DBR_OUTPUT_SEQEND): Use XVECEXP not XEXPs.
12502 Sun Sep 5 10:13:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12504 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Disable.
12506 Sat Sep 4 13:44:01 1999 Mark Mitchell <mark@codesourcery.com>
12508 * Makefile.in (C_AND_C_OBJS): Add gcc-callbacks.o.
12509 (OBJS): Add $(GGC).
12510 (ggc-callbacks.o): New target.
12511 * ggc-callbacks.c: New file.
12513 Sat Sep 4 22:53:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12515 * expr.h: Collapse individual optab and libfunc vars to arrays.
12516 (optab_index, libfunc_index): New enumerations.
12517 (optab_table, libfunc_table): New arrays.
12518 Add accessor macros for both.
12520 * optabs.c (optab_table, libfunc_table): New.
12521 Delete declarations for individual optab and libfunc vars.
12523 Sat Sep 4 12:57:17 1999 Richard Henderson <rth@cygnus.com>
12525 * i386/sco5.h (RETURN_POPS_ARGS): Name change ix86_return_pops_args.
12527 Sat Sep 4 11:19:52 1999 Richard Henderson <rth@cygnus.com>
12529 * Makefile.in (GGC, GGC_LIB): New.
12530 (HOST_RTL): Include ggc-none.o.
12531 (ggc-simple.o): New target.
12532 (ggc-none.o): Likewise.
12533 * tree.h (tree_common): Add gc_mark.
12534 * rtl.h (struct rtx_def): Steal a bit from code to make gc_mark.
12535 (struct rtvec_def): Add gc_mark.
12536 * emit-rtl.c (global_rtl): Update static initializers to contain
12537 enough initializers.
12538 * ggc.h, ggc-none.c, ggc-simple.c: New files.
12539 * toplev.c (gc_time): New variable.
12540 (all_time): New variable.
12541 (compile_file): Print gc time.
12542 (print_time): Calculate percentage of the whole.
12544 Sat Sep 4 13:11:01 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12546 Change obstack memory management and varasm constant pool handling so
12547 that nested functions are treated like any other functions.
12548 * function.c (init_machine_status): New variable.
12549 (push_function_context_to): Set contains_functions for the outer
12550 function. Don't call save_varasm_status.
12551 (pop_function_context_from): Don't call restore_varasm_status. Don't
12552 set current_function_contains_functions.
12553 (prepare_function_start): Call init_varasm_status rather than
12554 init_const_rtx_hash_table. Call (*init_machine_status) if the pointer
12556 * function.h (struct function) Add field varasm. Delete fields
12557 inline_obstacks, inl_emit, const_rtx_hash_table, first_pool,
12558 last_pool, const_rtx_sym_hash_table, pool_offset, const_double_chain.
12559 (init_machine_status): Declare.
12560 (save_varasm_status, restore_varasm_status): Delete declarations.
12561 (save_tree_status, restore_tree_status): Delete last argument.
12562 * integrate.c (initialize_for_inline): Lose arg COPY. Delete copying
12563 code. All callers changed.
12564 (copy_decl_list, copy_decl_tree, copy_decl_rtls, copy_for_inline,
12565 save_constants_in_decl_trees, restore_constants, save_constants,
12566 save_for_inline_eh_labelmap, save_for_inline_copying): Delete
12568 (inlining): New variable.
12569 (reg_map, label_map, insn_map, orig_asm_operands_vector,
12570 copy_asm_operands_vector, copy_asm_constraints_vector): Delete
12572 (save_for_inline_nocopy): Don't save constants.
12573 Don't set inl_emit field in current_function.
12574 (expand_inline_function): Use emit field, not inl_emit, of the inlined
12575 function. Set new variable inlining before
12576 calling copy_rtx_and_substitute.
12577 (copy_rtx_and_substitute): In MEM and SYMBOL_REF cases, handle
12578 constant pool references if inlining is nonzero.
12579 Delete ADDRESS and (most of the) CONST cases.
12580 (output_inline_function): Save and restore current_function/
12581 current_function_decl. Delete restore_constants code. Don't call
12582 init_const_rtx_hash_table.
12583 * output.h (init_const_rtx_hash_table): Don't declare.
12584 * rtl.h (struct function): Declare.
12585 (get_pool_constant_for_function, get_pool_mode_for_function): Declare.
12586 * toplev.c (rest_of_compilation): Don't treat nested functions or
12587 functions containing them specially. Delete all code to deal with
12588 save_for_inline_copying.
12589 * tree.c (toplev_inline_obstacks, extra_inline_obstacks,
12590 inline_obstacks): Delete variables.
12591 (save_tree_status): Lose arg CONTEXT. All callers changed.
12592 Simply allocate a new function_maybepermanent_obstack for the new
12593 function, delete all the special cases.
12594 Don't save inline_obstacks.
12595 (restore_tree_status): Lose arg CONTEXT. All callers changed.
12596 Delete special handling for function_maybepermanent_obstack; simply
12598 Don't restore inline_obstacks.
12599 (permanent_allocation): Delete code that frees inline_obstacks.
12600 (print_inline_obstack_statistics): Delete function.
12601 (dump_tree_statistics): Don't call it.
12602 * varasm.c (struct varasm_status): New.
12603 (const_rtx_hash_table, const_rtx_sym_hash_table, first_pool,
12604 last_pool, pool_offset, const_double_chain): Delete global
12605 variables, replace with accessor macros.
12606 (immed_double_const): Don't walk const_double_chain outside a
12607 function, but don't treat nested functions specially anymore.
12608 (immed_real_const_1): Likewise.
12609 (clear_const_double_mem): Don't treat nested functions specially.
12610 (init_const_rtx_hash_table): Deleted, code moved to init_varasm_status.
12611 (save_varasm_status, restore_varasm_status): Delete functions.
12612 (init_varasm_status): New function.
12613 (force_const_mem): Don't treat nested functions specially.
12614 (find_pool_constant): Accept new arg F, search for constants in
12615 that function's pool rather than the current one. All callers
12617 (get_pool_constant_for_function, get_pool_mode_for_function): New
12620 * i386.c (init_386_machine_status): New function, mostly from
12621 clear_386_stack_locals.
12622 (struct machine_functions): Rename element names to avoid name
12624 (pic_label_rtx, pic_label_name, i386_stack_locals): New accessor
12625 macros, replacing global variables.
12626 (clear_386_stack_locals, save_386_machine_status,
12627 restore_386_machine_status): Delete functions.
12628 (override_options): Initialize init_machine_status.
12629 * i386.h (INIT_EXPANDERS): Delete macro.
12630 (save_386_machine_status, restore_386_machine_status,
12631 clear_386_stack_locals): Delete declarations.
12633 Sat Sep 4 16:56:28 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12635 * config/c4x/c4x.md (rptb_init): Renamed from *rptb_init.
12636 (doloop_begin): Simplify pattern and use emit_jump_insn.
12637 (doloop_end): Simplify pattern, switch operand order,
12638 and use emit_jump_insn.
12640 Fri Sep 3 19:02:38 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
12642 * function.h (struct function): Add new element LANGUAGE.
12643 (save_lang_status): Declare new variable.
12644 (restore_lang_status): Likewise.
12645 * function.c (save_lang_status): Define.
12646 (restore_lang_status): Likewise.
12647 (push_function_context_to): Call language-specific save function.
12648 (pop_function_context_from): Call language-specific restore function.
12650 Fri Sep 3 01:16:18 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
12652 * i386.md (movsf_1): Check REG_P before use of REGNO.
12653 (movdf_1): Likewise.
12654 (movxf_1): Likewise.
12655 (extendsfdf2): Likewise.
12656 (extendsfxf2): Likewise.
12657 (extenddfxf2): Likewise.
12659 Sat Sep 4 11:37:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12661 * config/c4x/c4x.c (c4x_emit_move_sequence): Do not force large
12662 constants into memory.
12663 (c4x_shiftable_constant): New function.
12664 * config/c4x/c4x.c (LEGITIMATE_CONSTANT_P): Allow any CONST_INT.
12665 (c4x_shiftable_constant): Declare.
12666 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant,
12667 ashlqi3_noclobber): Add new patterns and associated splitters.
12669 Fri Sep 3 16:22:17 1999 Richard Henderson <rth@cygnus.com>
12671 * dbxout.c (dbxout_init): Use xcalloc instead of xmalloc+bzero.
12672 * dwarf2out.c (dwarf2out_frame_init): Likewise.
12673 * final.c (shorten_branches): Likewise.
12674 * global.c (global_alloc): Likewise.
12675 * haifa-sched.c (build_control_flow): Likewise.
12676 * stmt.c (check_for_full_enumeration_handling): Likewise.
12677 (estimate_case_costs): Likewise.
12679 Fri Sep 3 15:49:56 1999 Mark Mitchell <mark@codesourcery.com>
12681 * rtl.h (RTL_CHECKC2): Fix typo in last change.
12683 Fri Sep 3 15:13:34 1999 Richard Henderson <rth@cygnus.com>
12685 * flow.c (propagate_block): Use XEXP not SET_DEST for a USE.
12686 (recompute_reg_usage): Likewise.
12687 * rtlanal.c (find_regno_fusage): Likewise.
12689 * rtl.c (rtl_check_failed_code1): New function.
12690 (rtl_check_failed_code2): New.
12691 * rtl.h (RTL_CHECK1, RTL_CHECK2, RTVEC_ELT): Parenthesize args.
12692 (RTL_CHECKC1, RTL_CHECKC2): New.
12693 (XC*): New accessor macros.
12694 (NOTE_*, LABEL_NAME, LABEL_NUSES, ADDRESSOF_REGNO): Use them.
12695 (ADDRESSOF_DECL, JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF): Likewise.
12696 (CONTAINING_INSN, REGNO, INTVAL, SUBREG_REG, SUBREG_WORD): Likewise.
12697 (ASM_OPERANDS_*, MEM_ALIAS_SET, SET_SRC, SET_DEST): Likewise.
12698 (TRAP_*, RANGE_INFO_*): Likewise.
12700 Fri Sep 3 15:10:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12702 * Makefile.in (tlink.o): Don't depend on toplev.h.
12704 * collect2.c (c_file, o_file, export_file, import_file, ldout,
12705 output_file, nm_file_name, ldd_file_name, strip_file_name,
12706 c_file_name, prefix_list, libexts, is_ctor_dtor, find_a_file,
12707 add_prefix, prefix_from_env, prefix_from_string, do_wait,
12708 fork_execute, maybe_unlink, add_to_list,
12709 extract_init_priority, write_list, dump_list,
12710 dump_prefix_list, write_list_with_asm, write_c_file,
12711 write_c_file_stat, write_c_file_glob, scan_prog_file,
12712 scan_libraries, is_in_list, resolve_lib_name, use_import_list,
12713 ignore_library, extract_string, notice, dump_file, target_machine,
12714 collect_wait, collect_execute, libname, locatelib, aix_std_libs,
12715 read_file, print_load_command): Constify a char*.
12716 (fdopen, error, fatal, fatal_perror): Don't prototype.
12717 (my_strerror): Remove. All callers use xstrerror instead.
12718 (xcalloc, xmalloc, xrealloc, xstrdup, putenv): Remove definitions.
12719 (main): Add prototype. Constify lots of char* ptrs. Change calls
12720 to xcalloc/strcpy/strcat/... to one call to concat.
12721 (main, scan_prog_file, scan_libraries): Use an intermediate
12722 `const char **' to build an argv array.
12723 (mapfile, libselect, libcompare, locatelib): Add prototypes.
12725 * collect2.h (collect_execute, collect_wait, dump_file,
12726 file_exists): Constify a char*.
12727 (ldout, c_file_name, temporary_obstack, permanent_obstack,
12728 temporary_firstobj, vflag, debug): Add extern declarations.
12729 (fancy_abort, error, notice, fatal, fatal_perror): Add prototypes.
12731 * tlink.c: Don't include toplev.h.
12732 (vflag, debug, ldout, c_file_name, temporary_obstack,
12733 permanent_obstack, temporary_firstobj): Don't declare.
12734 (tlink_execute, frob_extension, symbol_hash_lookup,
12735 file_hash_lookup, demangled_hash_lookup, tlink_init, freadsym,
12736 recompile_files, read_repo_files, demangle_new_symbols,
12737 scan_linker_output): Constify a char*.
12738 (symbol_hash_newfunc, file_hash_newfunc, demangled_hash_newfunc,
12739 do_tlink): Mark parameters with ATTRIBUTE_UNUSED.
12741 Fri Sep 3 18:09:24 1999 Andrew Haley <aph@cygnus.com>
12743 * config/m68k/m68kelf.h: Set USE_GAS; this makes gcc generate jbsr
12744 (relative) rather than jsr (absolute) subroutine call insns.
12745 * config/m68k/m68k-coff.h: Ditto.
12747 Fri Sep 3 17:24:31 1999 Richard Earnshaw <rearnsha@arm.com>
12749 * arm.c (note_invalid_constants): No need to ignore ASMs, we can
12750 now rework these too.
12751 (arm_reorg): If an insn can't reach the end of the current pool,
12752 ensure that we emit that pool before the insn.
12754 Fri Sep 3 09:14:32 1999 Marc Espie <espie@tetto.liafa.jussieu.fr>
12756 * tlink.c (scan_linker_output): Skip the initial underscore in
12757 a mangled name if appropriate.
12759 Fri Sep 3 01:28:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12761 * objc/objc-act.c (objc_tree_code_type, objc_tree_code_length,
12762 objc_tree_code_name, synth_id_with_class_suffix, warn_with_method,
12763 error_with_ivar, gen_declarator, create_builtin_decl,
12764 my_build_string, generate_descriptor_table, generate_ivars_list,
12765 generate_dispatch_table, check_protocols, TAG_GETCLASS,
12766 TAG_GETMETACLASS, TAG_MSGSEND, TAG_MSGSENDSUPER, TAG_EXECCLASS,
12767 dump_base_name, lang_decode_option, build_encode_expr,
12768 start_class, finish_class, encode_pointer, really_start_method,
12769 gen_declaration, dump_interface, handle_class_ref, handle_impent):
12771 (objc_demangle, objc_printable_name, generate_struct_by_value_array):
12772 Add static prototypes.
12773 (build_objc_string_decl, build_selector_reference_decl,
12774 encode_bitfield, build_class_reference_decl): Remove unused
12775 parameter, all callers changed.
12776 (maybe_objc_method_name): Mark with ATTRIBUTE_UNUSED.
12777 (objc_printable_name): Likewise. Change second parameter to type int.
12778 (init_objc): Use memcpy, not bcopy, to avoid casts.
12780 Thu Sep 2 21:49:52 1999 Richard Henderson <rth@cygnus.com>
12782 * reload1.c (eliminate_regs_in_insn): Avoid eliminating the
12783 reg notes on a deleted insn.
12784 * gcse.c (hash_expr_1): Use XWINT on a CONST_DOUBLE.
12786 Thu Sep 2 20:18:12 1999 Jeffrey A Law (law@cygnus.com)
12788 * i386.c (ix86_attr_length_default): Handle TYPE_FXCH.
12790 Thu Sep 2 22:00:08 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12792 * stmt.c (expand_asm_operands): Fix index into inout_mode when
12795 Thu Sep 2 13:00:48 1999 Richard Henderson <rth@cygnus.com>
12797 * stmt.c (expand_asm_operands): Invoke MD_ASM_CLOBBERS if present.
12798 * tm.texi (MD_ASM_CLOBBERS): Document it.
12800 Thu Sep 2 10:22:40 1999 Richard Henderson <rth@cygnus.com>
12802 * dwarf2out.c (dwarf2out_line): Constify `lastfile'.
12803 * except.c (expand_rethrow): Remove unused variable.
12804 * expr.c (do_jump_by_parts_greater_rtx): Likewise.
12805 * flow.c (replace_insns): Likewise.
12806 (create_edge_list, verify_edge_list): Likewise.
12807 * gcse.c (cprop_cc0_jump): Protect declaration with HAVE_cc0.
12809 * genemit.c (gen_expand): Only emit `operands[N]' decl if there
12810 is special code to run.
12811 (main): Don't define operands to emit_operand.
12812 * genrecog.c (main): Don't emit an empty peephole2_insn function.
12814 * rtl.h (NOTE_BASIC_BLOCK): Use X0BBDEF.
12816 * alpha/alpha.h (normal_memory_operand): Declare.
12817 (reg_no_subreg_operand): Declare.
12818 * alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use HOST_WIDE_INT_PRINT_DEC.
12820 Thu Sep 2 10:19:20 1999 Richard Henderson <rth@cygnus.com>
12822 * c-parse.in (compstmt_primary_start): New, broken out of first
12823 part of compstmt handling in primary.
12824 (primary): Use it. Add an error clause.
12825 (compstmt_nostart): Renamed from compstmt; remove all
12826 initial invocations of compstmt_start.
12829 Thu Sep 2 01:35:50 1999 Marc Espie <espie@cvs.openbsd.org>
12831 * protoize.c (gen_aux_info_file): Let pexecute call choose_temp_base if
12834 Thu Sep 2 00:43:59 1999 Finn Hakansson <finn@axis.com>
12836 * combine.c (simplify_shift_const): Remove extra semicolon.
12837 * dwarf2out.c (remove_AT): Likewise.
12838 * expmed.c (expand_mult): Likewise.
12839 * gcov.c (create_program_flow_graph): Likewise.
12840 * reorg.c (mostly_true_jump): Likewise.
12842 Thu Sep 2 00:06:43 1999 Jeffrey A Law (law@cygnus.com)
12844 * fold-const.c (fold_range_test): Do not try to fold the range
12845 test if the rhs or lhs has side effects.
12847 * combine.c (simplify_rtx): Recognize another case of a synthesized
12850 * varasm.c (mark_constant_pool): When marking indirect references,
12851 only look at SYMBOL_REFs.
12853 * except.c (expand_fixup_region_end): Do not peek at
12854 INSN_UID (node->entry->outer_context) for flag_new_exceptions.
12856 Thu Sep 2 13:52:53 1999 Geoffrey Keating <geoffk@cygnus.com>
12858 * flags.h: New variables align_loops, align_loops_log,
12859 align_jumps, align_jumps_log, align_labels, align_labels_log,
12860 align_functions, align_functions_log.
12861 * toplev.c: Define them.
12862 (f_options): Handle -falign-* when they have no argument.
12863 (main): Add logic to set variables for -falign-functions,
12864 -falign-jumps, -falign-labels, -falign-loops.
12865 Make it -fsched-verbose=<n> and -finline-limit=<n>.
12866 (display_help): Change help to match options.
12867 * final.c (LABEL_ALIGN): Default to align_labels_log.
12868 (LABEL_ALIGN_MAX_SKIP): Default to align_labels-1.
12869 (LOOP_ALIGN): Default to align_loops_log.
12870 (LOOP_ALIGN_MAX_SKIP): Default to align_loops-1.
12871 (LABEL_ALIGN_AFTER_BARRIER): Default to align_jumps_log.
12872 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to align_jumps-1.
12873 * varasm.c (assemble_start_function): Handle align_functions.
12875 * config/sparc/sparc.h: Don't declare sparc_align_*.
12876 Don't provide LABEL_ALIGN_AFTER_BARRIER or LOOP_ALIGN.
12877 (DEFAULT_SPARC_ALIGN_FUNCS): Delete; take functionality into
12879 (FUNCTION_BOUNDARY): Fix incorrect use---it's not just a request,
12881 * config/sparc/sparc.c: Delete sparc_align_loops,
12882 sparc_align_jumps, sparc_align_funcs and the corresponding string
12884 (sparc_override_options): Default align_functions on ultrasparc.
12885 Delete -malign-* handling.
12887 * config/mips/mips.c (override_options): On 64-bit targets,
12888 try to align code to 64-bit boundaries.
12889 (print_operand): New substitution, %~,
12890 which aligns labels to align_labels_log.
12891 * config/mips/mips.md (div_trap_normal): Use %~.
12892 (div_trap_mips16): Likewise.
12894 (absdi2): Likewise.
12895 (ffssi2): Likewise.
12896 (ffsdi2): Likewise.
12897 (ashldi3_internal): Likewise.
12898 (ashrdi3_internal): Likewise.
12899 (lshrdi3_internal): Likewise.
12900 (casesi_internal): Likewise.
12902 Wed Sep 1 21:13:48 1999 Richard Henderson <rth@cygnus.com>
12904 Merge new ia32 backend from the branch!
12906 * i386.h, i386.c, i386.md, reg-stack.c, i386/unix.h: Many changes.
12907 See ChangeLog.P2 on new_ia32_branch for details.
12909 * rtl.h (stack_regs_mentioned_p): Delete prototype.
12910 * i386/cygwin.h (SUBTARGET_PROLOGUE): No more do_rtl.
12911 * i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
12912 * i386/gas.h (ASM_FILE_START): Define.
12913 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Update
12914 for name change of ix86_valid_decl_attribute_p.
12915 (i386_pe_valid_type_attribute_p): Similarly.
12917 Wed Sep 1 18:21:23 1999 Richard Henderson <rth@cygnus.com>
12919 * emit-rtl.c (init_emit_once): Don't use GET_MODE_WIDER_MODE
12920 to step through CC modes.
12922 Wed Sep 1 20:18:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12924 * regmove.c (fixup_match_1): Don't move INSN in front of P if
12925 it would end up in the shadow of a live flags regsiter.
12927 Wed Sep 1 11:32:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12929 * reload1.c: Fix many indentation problems.
12930 * reload.c: Likewise.
12932 Tue Aug 31 22:08:03 1999 Marc Espie <espie@cvs.openbsd.org>
12934 * alias.c (non_local_reference_p): Constify fmt.
12936 Tue Aug 31 23:19:35 1999 Michael Meissner <meissner@cygnus.com>
12938 * config/i386/xm-cygwin.h (HAVE_DOS_BASED_FILE_SYSTEM): Define.
12940 Tue Aug 31 16:44:52 1999 Jeffrey A Law (law@cygnus.com)
12942 * cse.c (delete_trivially_dead_insns): Do not delete stores to
12943 the internal_arg_pointer.
12945 Tue Aug 31 13:35:42 1999 Richard Henderson <rth@cygnus.com>
12947 Merge peephole2 from new_ia32_branch:
12948 * Makefile.in (STAGESTUFF): Add *.peephole2.
12949 (mostlyclean): Likewise.
12950 (recog.o): Depend on resource.h.
12952 * final.c (peephole): Conditionalize decl on HAVE_peephole.
12953 (final_scan_insn): Likewise for the invocation of peephole.
12954 * genconfig.c (main): Look for peephole and peephole2 patterns.
12955 Emit HAVE_peephole* accordingly.
12956 * genpeep.c (main): Conditionalize entire output on HAVE_peephole.
12957 * flags.h (flag_peephole2): Declare.
12958 * toplev.c: New pass peephole2. New flag -fpeephole2.
12960 * genattrtab.c (main): Count DEFINE_PEEPHOLE2.
12961 * gencodes.c (main): Likewise.
12962 * genextract.c (main): Likewise.
12963 * genoutput.c (main): Likewise.
12964 * genemit.c (max_operand_1): Look for the max scratch operand.
12965 (gen_rtx_scratch): New.
12966 (gen_exp): Use it, and pass on new arg subroutine_type.
12967 (gen_expand): Take max scratch into account.
12968 (gen_split): Emit peephole2 functions.
12969 (output_peephole2_scratch): New.
12970 (main): Include hard-reg-set.h and resource.h. Handle peephole2.
12971 * genrecog.c (routine_type): Add PEEPHOLE2.
12973 (make_insn_sequence): Match outer parallel for peep2. Discard
12974 top level scratches and dups.
12975 (add_to_sequence): New args insn_type and top. Update all callers.
12976 Handle toplevel peep2 matching insns.
12977 (write_subroutine): Handle peep2.
12978 (write_tree_1): Likewise.
12979 (write_tree): Likewise.
12981 (change_state): New arg afterward. Update all callers.
12982 Handle matching separate insns.
12983 * recog.c (recog_next_insn): New.
12984 (peephole2_optimize): New.
12985 * rtl.def (DEFINE_PEEPHOLE2): New.
12986 * resource.c (find_free_register): New argument last_insn. Use it
12987 to find a register available through the entire span.
12988 * resource.h (find_free_register): Update prototype.
12990 Tue Aug 31 11:51:06 1999 Jim Kingdon <http://developer.redhat.com>
12992 * i386.c (output_strlen_unroll): Don't write xops[7]
12993 label if it wasn't set.
12995 1999-08-31 12:44 -0700 Zack Weinberg <zack@bitmover.com>
12997 * cpplib.c (struct directive): Const-ify name pointer and
12998 function pointer prototype.
12999 (validate_else, do_define, do_line, do_include, do_undef,
13000 do_error, do_pragma, do_ident, do_if, do_xifdef, do_else,
13001 do_elif, do_endif, do_sccs, do_assert, do_unassert,
13002 do_warning): Const-ify second arg.
13003 (directive_table): Mark const. Reorder entries by frequency
13004 of usage, record statistics.
13006 1999-08-31 12:20 -0700 Zack Weinberg <zack@bitmover.com>
13008 * rtl.h (RTL_CHECK1, RTL_CHECK2): New macros which type- and
13009 bounds- check RTL accesses if --enable-checking.
13010 (RTVEC_ELT): Bounds check if --enable-checking.
13011 (XWINT, XINT, XSTR, XEXP, XVEC, XMODE, XBITMAP, XTREE,
13012 XBBDEF): Use RTL_CHECK1/RTL_CHECK2 as appropriate.
13013 (XVECEXP, XVECLEN): Define in terms of XVEC, RTVEC_ELT, and
13015 (X0WINT, X0INT, X0STR, X0EXP, X0VEC, X0MODE, X0BITMAP, X0TREE,
13016 X0BBDEF, X0ADVFLAGS): New macros for accessing '0' slots of RTXes.
13018 (ADDR_DIFF_VEC_FLAGS): Use X0ADVFLAGS.
13019 (NOTE_SOURCE_FILE): Use X0STR.
13020 (NOTE_BLOCK_NUMBER, NOTE_EH_HANDLER, LABEL_NUSES,
13021 MEM_ALIAS_SET): Use X0INT.
13022 (NOTE_RANGE_INFO, NOTE_LIVE_INFO, NOTE_BASIC_BLOCK,
13023 JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF, CONTAINING_INSN):
13025 * real.h (CONST_DOUBLE_CHAIN): Use X0EXP.
13026 * rtl.c (copy_rtx, copy_most_rtx): Copy '0' slots with X0WINT.
13027 (rtl_check_failed_bounds, rtl_check_failed_type1,
13028 rtl_check_failed_type2, rtvec_check_failed_bounds): New
13030 (fancy_abort): Fix comment.
13032 * cse.c (canon_hash): Read CONST_DOUBLE data slots with XWINT.
13033 (cse_insn): Decrement LABEL_NUSES for jump target before
13034 deleting jump insn.
13035 * emit-rtl.c (gen_rtx_CONST_DOUBLE): Use X0EXP for slot 1.
13036 * final.c (alter_subreg): Compute regno before changing x to
13037 REG; set REGNO(x) after changing it.
13038 * flow.c (count_basic_blocks): Use XWINT to inspect EH_REGION
13039 notes containing CONST_INTs.
13040 (delete_eh_regions): Use NOTE_EH_HANDLER.
13041 * function.c (put_reg_into_stack): Make reg a MEM before
13043 (fixup_var_refs_insns): Save REG_NOTES (insn) in case we
13045 (gen_mem_addressof): Make reg a MEM before initializing it.
13046 * integrate.c (copy_rtx_and_substitute): Copy '0' slots with
13048 * local-alloc.c (update_equiv_regs): Zap REG_NOTES before
13049 deleting an insn, not after.
13050 (block_alloc): Only look at PATTERN(insn) if we have to, and
13051 only if it's format class 'i'.
13052 * loop.c (check_dbra_loop): Check bl->biv->add_val is a
13053 CONST_INT before using its INTVAL.
13054 * print-rtl.c (print_rtx): Use X0STR.
13055 * regmove.c (fixup_match_1): Don't look at PATTERN of
13056 non-class-'i' insn chain elements.
13057 * reload.c (loc_mentioned_in_p): Take address of
13058 in->fld[1].rtx directly.
13059 * reload1.c (reload): Change reg to a MEM before initializing
13061 * varasm.c (mark_constant_pool): Skip CONST_DOUBLES, which
13063 * config/i386/i386.md (decrement_and_branch_if_zero): Fix typo.
13065 Fri Aug 20 13:43:41 1999 Andrew Haley <aph@cygnus.com>
13067 * config/mips/mips.c (machine_dependent_reorg): Force a
13068 barrier to output the local constant pool if a barrier hasn't
13069 been found at a natural point in the instruction stream.
13071 Mon Aug 30 22:04:36 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13073 * c-parse.in (language_string): Constify.
13075 * dwarf2out.c (language_string): Remove declaration.
13077 * dwarfout.c (language_string): Likewise.
13079 * toplev.c (language_string, init_parse, finish_parse): Likewise.
13081 * tree.h (language_string, init_parse, finish_parse): Declare.
13083 * i386/sun386.h (language_string): Remove declaration.
13085 * mips.h (language_string): Likewise.
13087 * nextstep.h (language_string): Likewise.
13089 * nextstep21.h (language_string): Likewise.
13091 * rs6000.c (language_string): Likewise.
13093 Mon Aug 30 20:56:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13095 * Makefile.in (OBJS, PROTO_OBJS): Remove getpwd.o.
13096 (getpwd.o): Remove target.
13098 * getpwd.c: Delete file. Its in libiberty now.
13100 * dbxout.c (getpwd): Don't prototype.
13101 * dwarf2out.c (getpwd): Likewise
13102 * dwarfout.c (getpwd): Likewise
13103 * final.c (getpwd): Likewise.
13104 * protoize.c (getpwd): Likewise.
13106 Mon Aug 30 20:21:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13108 * cse.c: (fold_rtx): Cast to HOST_WIDE_INT in left shift.
13110 Mon Aug 30 16:07:49 1999 Richard Henderson <rth@cygnus.com>
13112 * flow.c (new_insn_dead_notes): Use sets_reg_or_subreg not
13113 mark_set_resources.
13115 Mon Aug 30 12:23:53 1999 Jim Wilson <wilson@cygnus.com>
13117 * fixinc/Makefile.in (subdir): New.
13118 (fixincl.x, inclhack.sh, fixincl.sh): Use cp instead of $(CP).
13121 Mon Aug 30 01:02:09 1999 Jeffrey A Law (law@cygnus.com)
13123 * emit-rtl.c (copy_rtx_if_shared): A MEM which references
13124 virtual_stack_vars_rtx or virtual_incoming_args_rtx can not
13127 * invoke.texi: Fix typo.
13129 * dwarf2out.c (mem_loc_descriptor): New argument MODE. All callers
13130 changed. Handle autoincrement addressing modes.
13132 * integrate.c (copy_rtx_and_substitute): Handle internal_arg_pointer
13133 just like we would the virtual incoming args register when
13136 Sun Aug 29 23:17:54 1999 David Edelsohn <edelsohn@gnu.org>
13138 * rs6000.h (ASM_FILE_START): Specify complete filename, including
13139 path, in .file directive.
13141 Sun Aug 29 05:06:43 1999 Russ Allbery <rra@stanford.edu>
13143 * gcc.texi (External Bugs): Remove obsolete note about Perl on
13146 1999-08-29 08:38 -0700 Zack Weinberg <zack@bitmover.com>
13148 * stdbool.h: Make the typedef name _Bool, with bool a #defined
13151 Sun Aug 29 09:36:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13153 * tree.c (tree_code_name): Constify a char*.
13155 * tree.h (tree_code_name, decl_printable_name): Likewise.
13157 * function.h (struct function): Likewise.
13159 * toplev.c (decl_name, decl_printable_name): Likewise.
13161 * vax/vms.h (MAYBE_VMS_FUNCTION_PROLOGUE): Likewise.
13163 * objc/objc-act.c (decl_printable_name): Remove redundant prototype.
13164 (init_objc): Remove function pointer cast.
13166 Sun Aug 29 05:01:17 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
13168 * pa.md (interspace_jump): New pattern.
13169 (builtin_longjmp): New expander.
13171 1999-08-29 Bernd Schmidt <bernds@cygnus.co.uk>
13173 * fp-bit.c (add, sub, multiply, divide, compare, _eq_f2, _ne_f2,
13174 _gt_f2, _ge_f2, _lt_f2, _le_f2, float_to_si, float_to_usi, negate,
13175 sf_to_df, df_to_sf): Fix potential problem with alias analysis.
13177 Sun Aug 29 04:30:52 1999 John Wehle (john@feith.com)
13179 * jump.c (delete_prior_computation): Also check calls
13180 to constant functions. Don't bother checking for a
13181 REG_UNUSED note before adding it.
13182 (delete_computation): Handle multi-word hard registers
13183 when synthesizing missing REG_DEAD notes for a register
13184 which is both set and used by an insn.
13186 1999-08-29 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13188 * loop.c (this_loop_info): New variable.
13189 (loop_has_call, loop_has_volatile, loop_has_tablejump,
13190 loop_continue, loops_enclosed): Replace with fields in this_loop_info.
13192 (prescan_loop, strength_reduce): New argument loop_info. All callers
13194 (scan_loop): New variable loop_info, initialise to address of
13196 (prescan_loop): Set loop_info->vtop if find NOTE_INSN_LOOP_VTOP.
13197 Delete variable loop_has_multiple_exit targets and replace with
13198 field in this_loop_info.
13199 (find_and_verify_loops): Rename this_loop to this_loop_num.
13200 (strength_reduce): Delete loop_iteration_info. Replace variable
13201 loop_info with function argument of same name.
13202 (insert_bct): Rework test for loop being completely unrolled.
13204 * loop.h (struct loop_info): New fields num, loops_enclosed,
13205 has_call, has_volatile, has_tablejump, has_multiple_exit_targets,
13206 has_indirect_jump, and cont. Redefine use of unroll_number.
13207 (loop_unroll_number): Delete.
13209 * unroll.c (unroll_loop): Store loop unroll count in unroll_number
13210 field of loop_info.
13211 (loop_iterations): Delete variable vtop and instead use
13212 loop_info->vtop computed in prescan_loop.
13214 Sun Aug 29 03:27:23 1999 Scott Weikart <scott@igc.apc.org>
13216 * fix-header.c (main): Do not pass a null pointer to strcmp.
13218 Sun Aug 29 03:18:48 1999 William Bader (william@nscs.fast.net)
13220 * configure.in (i[34567]86-*-sco3.2v4*): Target does not truncate
13222 * configure: Rebuilt.
13224 Sat Aug 28 19:36:05 1999 Jeffrey A Law (law@cygnus.com)
13226 * jump.c (jump_optimize_1): Do not delete assignments to
13227 internal_arg_pointer.
13228 * cse.c (delete_trivially_dead_insns): Always consider a set of
13229 the internal_arg_pointer live.
13231 Sat Aug 28 16:24:31 1999 Richard Henderson <rth@cygnus.com>
13233 * flow.c (flow_delete_insn_chain): Rename from delete_insn_chain.
13234 (update_life_info) [REG_WAS_0]: Search the original insns rather
13235 than the new insns for the note. Fix typos finding note_dest.
13236 If no dest found, discard the note rather than abort.
13237 [REG_NOALIAS]: Handle as REG_NO_CONFLICT.
13238 (replace_insns): Remove the old insn list after update_life_info
13241 Sat Aug 28 16:20:12 1999 Richard Henderson <rth@cygnus.com>
13243 * haifa-sched.c (sched_analyze): Clear LOG_LINKS before calling
13244 sched_analyze_insn.
13245 (sched_analyze_1): Let add_dependence care for not adding dups.
13246 (sched_analyze_2): Likewise.
13247 (add_branch_dependences): Likewise.
13249 Sat Aug 28 15:58:16 1999 Mumit Khan <khan@xraylith.wisc.edu>
13251 * i386/winnt.c (export_list): New type.
13252 (exports_head): Rename to
13253 (export_head): this.
13254 (i386_pe_record_exported_symbol): Add is_data flag.
13255 (i386_pe_asm_file_end): Emit directive for exported variables.
13256 * i386/cygwin.h (i386_pe_record_exported_symbol): Update
13258 * i386/cygwin.h (ASM_OUTPUT_COMMON): Specify symbol type.
13259 (ASM_DECLARE_OBJECT_NAME): Likewise.
13260 (ASM_DECLARE_FUNCTION_NAME): Likewise.
13261 * i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
13263 Fri Aug 27 15:35:24 1999 Jeffrey A Law (law@cygnus.com)
13265 * cse.c (fold_rtx): Work around bug in Sun V5.0 compilers.
13267 * pa.c (emit_move_sequence): Do not stop on SUBREG_WORD of an
13270 Fri Aug 27 14:01:19 1999 Marc Espie <espie@cvs.openbsd.org>
13272 * config/openbsd.h: Define SET_ASM_OP.
13273 * tm.texi: cross-reference SET_ASM_OP in the index.
13275 1999-08-27 13:27 -0700 Zack Weinberg <zack@bitmover.com>
13277 * rtl.c: Define CONST_DOUBLE_FORMAT to the appropriate format
13278 for a CONST_DOUBLE, at compile time. Initialize rtx_length
13279 and class_narrowest_mode at compile time. Kill init_rtl.
13280 Mark rtx_length, mode_class, mode_size, mode_unit_size,
13281 mode_wider_mode, mode_mask_array, class_narrowest_mode, and
13282 rtx_format as const. Kill all references to EXTRA_CC_MODES or
13284 * rtl.def (CONST_DOUBLE): Use CONST_DOUBLE_FORMAT macro for
13286 * rtl.h: Declare rtx_length and rtx_format as const.
13287 * machmode.def: Define CC(). Use CC() to define CCmode. If
13288 EXTRA_CC_MODES is defined, expand it here.
13289 * machmode.h: Declare mode_class, mode_size, mode_unit_size,
13290 mode_wider_mode, mode_mask_array, and class_narrowest_mode as
13291 const. Kill all references to EXTRA_CC_MODES.
13293 * toplev.c: Don't prototype or call init_rtl.
13294 * optabs.c: Don't call init_mov_optab.
13295 * genemit.c: Don't generate init_mov_optab. Don't call
13297 * gengenrtl.c: Duplicate calculation of CONST_DOUBLE_FORMAT
13299 * genattr.c, genattrtab.c, gencodes.c, genconfig.c,
13300 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
13301 genrecog.c: Don't call init_rtl.
13303 * arc.h, arm.h, c4x.h, i386.h, i960.h, m88k.h, pa.h, pdp11.h,
13304 rs6000.h, sparc.h: Don't define EXTRA_CC_NAMES. Use CC() in
13305 definition of EXTRA_CC_MODES.
13307 * md.texi: Kill ref to EXTRA_CC_NAMES.
13308 * tm.texi: Document new way to define EXTRA_CC_MODES.
13310 * genrecog.c: Do not look up the name of a define_split.
13311 (Unrelated bugfix.)
13313 Fri Aug 27 17:03:42 1999 Nick Clifton <nickc@cygnus.com>
13315 * config/v850/v850.md: Fix typo introduced by previous delta.
13317 Fri Aug 27 09:48:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13319 * gcc.c (fatal): Make definition static to match prototype.
13321 Fri Aug 27 10:33:35 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13323 * combine.c (get_last_value): Don't look for earlier sets if the last
13324 known set is somewhere in between the insns being combined.
13326 Fri Aug 27 10:03:12 BST 1999 Nathan Sidwell <nathan@acm.org>
13328 * configure.in: Don't use shell ! to negate exit codes
13329 * configure: Regenerate
13331 Fri Aug 27 09:36:17 1999 Andreas Schwab <schwab@suse.de>
13333 * function.c (assign_stack_temp_for_type): Fix change of Mar 5 for
13334 the fact that ALIGN is measured in bits, not bytes.
13336 1999-08-27 00:27 -0700 Zack Weinberg <zack@bitmover.com>
13338 * errors.c: New file; defines functions error, warning, and
13339 fatal, variables have_error and progname.
13340 * errors.h: New file; prototypes and decls for stuff in errors.c.
13342 * Makefile: Add rules to build errors.o and
13343 $(HOST_PREFIX)errors.o. Link genconfig, gencodes, genemit,
13344 genopinit, genrecog, genextract, genpeep, genattr, and
13345 genoutput with errors.o. Add errors.h to deps of genconfig.o,
13346 gencodes.o, genemit.o, genopinit.o, genrecog.o, genextract.o,
13347 genpeep.o, genattr.o, and genoutput.o.
13349 * genconfig.c, gencodes.c, genemit.c, genopinit.c, genrecog.c,
13350 genextract.c, genpeep.c, genattr.c: Include errors.h. Don't
13351 define or prototype fatal. Set progname at beginning of main.
13352 * genoutput.c: Likewise, and don't define or prototype error
13355 * c-typeck.c (c_expand_start_case): Return immediately if exp
13357 * fold-const.c (operand_equal_p): Return immediately if arg1
13358 or arg0 are ERROR_MARKs.
13359 * stor-layout.c (layout_type [case RECORD_TYPE]): Ignore
13360 fields of type ERROR_MARK when calculating if the record can
13363 Fri Aug 27 01:03:48 1999 Jim Kingdon <http://developer.redhat.com>
13364 with much help from Jeffrey A Law and Richard Henderson
13366 * i386.md: In the 6 insns which call output_fix_trunc,
13367 earlyclobber operands[0].
13369 Fri Aug 27 01:01:51 1999 Philip Blundell <pb@nexus.co.uk>
13371 * jump.c (duplicate_loop_exit_test): Call reg_scan_update after
13372 creating new registers.
13374 1999-08-26 23:09 -0700 Zack Weinberg <zack@bitmover.com>
13376 * i386.h: Declare ix86_cpu_string, ix86_arch_string,
13377 i386_reg_alloc_order, i386_regparm_string,
13378 i386_align_loops_string, i386_align_jumps_string,
13379 i386_align_funcs_string, i386_preferred_stack_boundary_string,
13380 and i386_branch_cost_string as type "const char *".
13381 * i386.c: Define all above strings as type "const char *".
13383 Thu Aug 26 20:36:30 1999 Jim Wilson <wilson@cygnus.com>
13385 * dwarf2out.c (output_aranges): Check DWARF_OFFSET_SIZE not PTR_SIZE
13386 when emitting alignment padding. Emit padding byte of 0 instead of 4.
13388 Thu Aug 26 18:11:20 1999 Mark Mitchell <mark@codesourcery.com>
13390 * tree.c (array_type_nelts): Don't create RTL_EXPRs from
13391 SAVE_EXPRs unless the SAVE_EXPRs have already been expanded.
13393 Thu Aug 26 19:33:23 1999 Jim Wilson <wilson@cygnus.com>
13395 * dwarf2out.c (DWARF2_ASM_LINE_DEBUG_INFO): Add default definition.
13396 (debug_dwarf): Add DWARF2_ASM_LINE_DEBUG_INFO support.
13397 (dwarf2out_line, dwarf2out_finish): Likewise.
13398 * tm.texi (DWARF2_ASM_LINE_DEBUG_INFO): Add documetation.
13400 Thu Aug 26 16:10:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
13402 * tree.c (lang_unsave_expr_now) : Correct return type.
13403 * tree.h (lang_unsave_expr_now) : Same.
13405 Thu Aug 26 13:12:29 1999 Jeffrey A Law (law@cygnus.com)
13407 * pa.c (cint_ok_for_move): Use CONST_INT_OK_FOR_LETTER_P macros
13408 instead of duplicating code.
13410 Thu Aug 26 18:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13412 * gcse.c (hash_scan_insn): Don't scan obvious no-ops.
13414 1999-08-26 09:42 -0700 Zack Weinberg <zack@bitmover.com>
13416 * tree.h: fancy_abort always takes three args.
13417 * resource.c: Move include of system.h before toplev.h.
13419 Thu Aug 26 09:46:16 1999 Nick Clifton <nickc@cygnus.com>
13421 * dwarf2out.c (mem_loc_descriptor): Accept LABEL_REFs as well
13424 1999-08-25 22:10 -0700 Zack Weinberg <zack@bitmover.com>
13426 * system.h: Don't redefine abort or trim_filename.
13427 * rtl.h: Define abort to fancy_abort (__FILE__, __LINE__, 0)
13428 or fancy_abort (__FILE__, __LINE__, __FUNCTION__) depending on
13429 whether or not __FUNCTION__ is available.
13430 * tree.h: Duplicate rtl.h's definition of abort, for files
13431 that don't include rtl.h. Delete all code to perform type
13432 checking with a compiler other than GCC.
13433 * varray.h: Delete all code to perform type checking with a
13434 compiler other than GCC. Make VARRAY_CHECK() always evaluate
13435 its arguments exactly once, using a statement expression.
13436 Adjust the VARRAY_<type> accessor macros to match.
13437 * toplev.h (fatal_insn, fatal_insn_not_found): Kill.
13438 (_fatal_insn, _fatal_insn_not_found): New fns, take info on
13439 caller's location. Define fatal_insn and fatal_insn_not_found
13440 as macros that use _fatal_insn and _fatal_insn_not_found.
13441 (fancy_abort, trim_filename): Kill prototypes.
13443 * rtl.c (trim_filename): Move here from toplev.c.
13444 (fancy_abort): New function.
13445 (DIR_SEPARATOR): Provide default definition.
13446 * tree.c (tree_check_failed, tree_class_check_failed): Go
13447 through fancy_abort.
13448 (tree_check, tree_class_check, cst_or_constructor_check,
13449 expr_check): Delete.
13450 * varray.c (varray_check_failed): New function.
13451 * toplev.c (fatal_insn, fatal_insn_not_found): Replace with
13452 _fatal_insn and _fatal_insn_not_found. Go through
13454 (trim_filename, fancy_abort): Delete.
13456 * builtins.c (expand_builtin_args_info): Report ICE with abort.
13457 * except.c (start_catch_handler): Report ICE with error/abort
13459 * final.c (output_operand_lossage): Likewise.
13460 * flow.c (verify_flow_info): Likewise.
13462 * gcc.c: Prototype fatal.
13463 * gengenrtl.c: Undef abort after including rtl.h not system.h.
13464 * genattr.c, genattrtab.c, genemit.c, genextract.c,
13465 genflags.c, genopinit.c, genoutput.c, genpeep.c, genrecog.c:
13466 Don't define fancy_abort.
13468 Wed Aug 25 17:56:59 1999 Richard Henderson <rth@cygnus.com>
13470 * optabs.c (emit_cmp_and_jump_insns): Be more thorough in
13473 Wed Aug 25 15:35:55 1999 Richard Henderson <rth@cygnus.com>
13475 * m88k.h (VERSION_INFO2): Kill.
13476 (VERSION_STRING): Kill.
13478 (VERSION_INFO1): Tidy.
13479 (TARGET_VERSION): Update.
13480 * m88k/dgux.h (VERSION_INFO2): Kill.
13481 (ASM_FIRST_LINE): Adjust for death of VERSION_STRING.
13482 * m88k/luna.h (VERSION_INFO1): Tidy.
13483 * m88k/sysv4.h (VERSION_INFO1): Likewise.
13484 * m88k.c (out_rcs_id, tm_rcs_id): Kill.
13485 (output_file_start): Adjust for death of VERSION_STRING.
13487 1999-08-25 13:51 -0700 Jim Meyering <meyering@ascend.com>
13489 * cpplib.c (detect_if_not_defined): New function.
13490 (do_if): Use it to detect potential once-only headers.
13492 Wed Aug 25 14:00:18 1999 Jason Merrill <jason@yorick.cygnus.com>
13494 * c-common.c (combine_strings): Always set TREE_CONSTANT.
13496 Wed Aug 25 15:27:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
13498 * combine.c (nonzero_bits) : Allow single-ly set registers to be
13499 anywere in the function only if they are pseudos and set before
13500 being used (not live at the start of the function).
13501 (num_sign_bit_copies) : Same.
13502 (get_last_value_validate) : Same.
13503 (get_last_value) : Same.
13505 Wed Aug 25 11:13:29 1999 Richard Henderson <rth@cygnus.com>
13507 * loop.c (express_from): Try harder to unify (* c N) and (* c M)
13508 where N and M are constant and N is an integer multiple of M.
13510 Wed Aug 25 13:55:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
13512 * sbitmap.h (sbitmap_intersection_of_succs): Add prototype.
13513 (sbitmap_intersection_of_preds, sbitmap_union_of_succs,
13514 sbitmap_union_of_preds): Add prototypes.
13515 * sbitmap.c (sbitmap_intersection_of_succs): New function to compute
13516 the intersection of successors with the new flow graph structures.
13517 (sbitmap_intersection_of_preds): New function to compute the
13518 intersection of predecessors with the new flow graph structures.
13519 (sbitmap_union_of_succs): New function to compute the union of
13520 successors with the new flow graph structures.
13521 (sbitmap_union_of_preds): New function to compute the union of
13522 predecessors with the new flow graph structures.
13523 * gcse.c (compute_rdm, compute_available): Use new sbitmap routines.
13524 (expr_reaches_here_p): Use edge and basic_block structures instead
13525 of s_preds and s_succs.
13526 (compute_cprop_avinout): Use new sbitmap routines.
13527 (pre_expr_reaches_here_p): Use edge and basic_block structures instead
13528 of s_preds and s_succs.
13529 * flow.c (compute_flow_dominators): Compute dominators using
13530 edges and basic blocks instead of s_preds and s_succs.
13532 Wed Aug 25 13:41:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
13534 * lists.c (unused_insn_list, unused_expr_list): New file for
13535 maintaining various types of lists. New statics for maintaining a
13536 cache of available INSN_LIST and EXPR_LIST nodes.
13537 (free_list): Static function for freeing a list of INSN/EXPR nodes.
13538 (alloc_INSN_LIST): Function to get a free INSN_LIST node.
13539 (alloc_EXPR_LIST): Function to get a free EXPR_LIST node.
13540 (init_EXPR_INSN_LIST_cache): Initialize the cache lists.
13541 (free_EXPR_LIST_list): Free an entire list of EXPR_LIST nodes.
13542 (free_INSN_LIST_list): Free an entire list of INSN_LIST nodes.
13543 (free_EXPR_LIST_node): Free an individual EXPR_LIST node.
13544 (free_INSN_LIST_node): Free an individual INSN_LIST node.
13545 * haifa-sched.c (unused_insn_list, unused_expr_list): Moved to flow.c
13546 (free_list, alloc_INSN_LIST, alloc_EXPR_LIST): Moved to flow.c
13547 (remove_dependence, free_pending_lists): Use new global routines.
13548 (flush_pending_lists, sched_analyze_insn): Use new global routines.
13549 (sched_analyze, compute_block_backward_dependences): Use new routines.
13550 (sched_analyze_1, sched_analyze_2): Use new routines.
13551 (schedule_insns): Use new global routines.
13552 * rtl.h (init_EXPR_INSN_LIST_cache, free_EXPR_LIST_list): Add function
13554 (free_INSN_LIST_list, free_EXPR_LIST_node): Add prototypes.
13555 (free_INSN_LIST_node, alloc_INSN_LIST, alloc_EXPR_LIST): Add function
13557 * toplev.c (rest_of_compilation): Initialize node cache.
13558 * Makefile.in (OBJS): Add lists.o to list of object files.
13559 (lists.o): Add dependancies.
13561 Wed Aug 25 17:31:56 1999 Nick Clifton <nickc@cygnus.com>
13563 * config/v850/v850.md: Fix compile time warning messages.
13564 * config/v850/v850.c: Fix compile time warning messages.
13565 * config/v850/v850.h: Fix compile time warning messages.
13567 Wed Aug 25 09:44:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13569 * genattr.c (gen_attr): Add prototype arguments for get_attr_*().
13570 Remove unused prototype for `init_lengths'.
13572 Wed Aug 25 09:32:31 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13574 * calls.c (emit_call_1): Mark parameter `stack_size' with
13576 (expand_call): Initialize variable `insn'.
13577 (emit_library_call): Likewise for variable `high_to_save'.
13578 (emit_library_call_value): Likewise.
13579 (store_one_arg): Likewise for variables `lower_bound' and
13582 * combine.c (try_combine): Likewise for variables `i2_code_number'
13583 and `other_code_number'.
13584 (find_split_point): Likewise for variables `pos', `unsignedp' and
13586 (simplify_if_then_else): Likewise for variables `op' and `c1'.
13587 (simplify_and_const_int): Remove unused variable `width'.
13588 (merge_outer_ops): Likewise.
13590 * cse.c (simplify_binary_operation): Cast an INTVAL() to `unsigned
13591 HOST_WIDE_INT' when comparing against one.
13592 (simplify_relational_operation): Likewise.
13593 (cse_insn): Initialize variables `src_eqv_volatile',
13594 `src_eqv_in_memory', `src_eqv_in_struct', `src_eqv_hash' and `sets'.
13596 * final.c (init_final): Constify parameter `filename'.
13597 (final_start_function): Mark parameter `optimize' with
13599 (profile_function): Likewise for parameters `first' and `optimize'.
13600 (output_source_line): Likewise for parameter `file'.
13602 * integrate.c (subst_constants): Cast a value to `size_t' when
13603 comparing against one.
13604 (mark_stores): Initialize variable `mode'. Cast a value to
13605 `size_t' when comparing against one.
13607 * integrate.h (MAYBE_EXTEND_CONST_EQUIV_VARRAY): Likewise.
13609 * loop.c (move_movables): Initialize variable `first'.
13610 (strength_reduce): Likewise for variable `increment'.
13611 (check_dbra_loop): Likewise for variable `comparison_val'. Cast a
13612 value to `size_t' when comparing against one.
13613 (load_mems): Initialize variable `end_label'.
13615 * output.h (init_final): Constify parameter.
13617 * reload.c (decompose): Initialize variable `base'.
13619 * reload1.c (reload): Likewise for variable `is_scalar'.
13620 (spill_hard_reg): Mark parameter `dumpfile' with ATTRIBUTE_UNUSED.
13621 (choose_reload_regs): Initialize variable `mode'.
13622 (emit_reload_insns): Likewise for variable `store_insn'.
13623 (reload_cse_noop_set_p): Mark parameter `insn' with
13625 (reload_combine): Initialize variable `set'.
13627 * unroll.c (unroll_loop): Likewise for variable `local_label'.
13628 (copy_loop_body): Cast a value to `size_t' when comparing against
13631 * varasm.c (assemble_variable): Initialize variable `size_tree'.
13632 (const_hash): Add an `else abort()' in an if-else-if-else sequence.
13633 (remove_from_pending_weak_list): Mark parameter `name' with
13636 Wed Aug 25 11:18:39 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13638 * toplev.c (rest_of_compilation): Use decl_printable_name when opening
13641 Wed Aug 25 10:57:12 1999 Nick Clifton <nickc@cygnus.com>
13643 * config/arm/telf.h (ASM_WEAKEN_LABEL): Define.
13644 (ASM_DECLARE_FUNCTION_NAME): Define.
13645 (TYPE_ASM_OP, SIZE_ASM_OP, TYPE_OPERAND_FORMAT,
13646 ASM_DECLARE_RESULT, ASM_DECLARE_OBJECT_NAME,
13647 ASM_FINISH_DECLARE_OBJECT, ASM_DECLARE_FUNCTION_SIZE): Define if
13648 not already defined.
13650 Wed Aug 25 01:36:11 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
13652 * calls.c (emit_call_1): Use call_pop/call_value_pop for all values
13653 of n_popped when call/call_value are not defined.
13655 Wed Aug 25 01:25:14 1999 Jeffrey A Law (law@cygnus.com)
13657 * tm.texi: GNU CC -> GCC conversion.
13658 (CC1_SPEC): Indicate it is used for all language front ends.
13660 Tue Aug 24 23:43:03 1999 Mark Mitchell <mark@codesourcery.com>
13662 * flow.c (delete_block): Spell NOTE_INSN_EH_REGION_BEG and
13663 NOTE_INSN_EH_REGION_END correctly.
13665 Tue Aug 24 23:26:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
13666 Jeff Law <law@cygnus.com>
13668 * loop.c (strength_reduce): Automatically unroll loops if the
13669 unrolled loop size is smaller than the rolled loop size.
13671 * loop.c (insert_bct): Replace use of sdiv_optab with asr_optab
13672 and delete comment that code should be rewritten.
13674 Tue Aug 24 22:56:35 1999 Jeffrey A Law (law@cygnus.com)
13676 * haifa-sched.c (find_rgns): Mark a block found during the DFS search
13679 * haifa-sched.c (get_visual_tbl_length): Fix off-by-one error.
13681 Tue Aug 24 22:41:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
13683 * fixinc/mkfixinc.sh: Don't fix uwin headers.
13684 * i386/uwin.h (MD_STARTFILE_PREFIX): Define.
13685 (LINK_SPEC): Add -u _main when building executables.
13686 (ASM_DECLARE_FUNCTION): Update from Cygwin.
13687 (ASM_FILE_END): Use the default for ix86-pe.
13688 * i386/xm-uwin.h (HAVE_BCOPY): Undefine.
13690 Tue Aug 24 20:49:47 1999 Art Haas <ahaas@neosoft.com>
13692 * final.c (output_addr_const): Handle case where ASM_OPEN_PAREN
13693 and ASM_CLOSE_PAREN are empty strings.
13695 Wed Aug 25 12:46:22 1999 Fred Fish <fnf@cygnus.com>
13696 Geoffrey Keating <geoffk@cygnus.com>
13698 * Makefile.in (PREPROCESSOR_DEFINES): New macro.
13699 (protoize.o): Use PREPROCESSOR_DEFINES and DRIVER_DEFINES.
13700 (unprotoize.o): Ditto.
13701 (test-protoize-simple): Don't define STD_PROTO_DIR.
13702 * protoize.c: Use PARAMS rather than PROTO. Minor whitespace
13703 changes to make 'test-protoize-simple' pass.
13704 (STD_PROTO_DIR): Remove define.
13705 (STANDARD_EXEC_PREFIX): Supply default define.
13706 (standard_exec_prefix): New variable, init to STANDARD_EXEC_PREFIX.
13707 (target_machine): New variable, init to DEFAULT_TARGET_MACHINE.
13708 (target_version): New variable, init to DEFAULT_TARGET_VERSION.
13709 (GET_ENV_PATH_LIST): New macro.
13710 (default_syscalls_dir): No longer initialized to STD_PROTO_DIR.
13711 (do_processing): Initialize default_syscalls_dir using new
13712 macros. Use it to initialize syscalls_absolute_filename.
13714 Tue Aug 24 16:58:15 1999 Richard Henderson <rth@cygnus.com>
13716 * jump.c (jump_optimize_1): Do cmov opt on any single-set; force
13717 B into a register before emit_conditional_move.
13719 Tue Aug 24 15:37:03 1999 Richard Henderson <rth@cygnus.com>
13721 * fold-const.c (fold): Reassociate (+ (+ (* a b) c) (* d e))
13722 as (+ (+ (* a b) (* d e)) c). Factor a common power-of-two
13723 multiplicand out of (+ (* a b) (* c d)).
13725 Tue Aug 24 11:46:10 1999 Bob Manson <manson@cygnus.com>
13726 Richard Henderson <rth@cygnus.com>
13728 * haifa-sched.c (split_hard_reg_notes): Move to flow.c
13729 (new_insn_dead_notes): Likewise.
13730 (update_n_sets): Likewise.
13731 (update_flow_info): Move to flow.c, renamed to update_life_info;
13732 extend to handle multiple source insns.
13733 * flow.c: Include resource.h
13734 (unlink_insn_chain): New.
13735 (split_hard_reg_notes): New.
13736 (maybe_add_dead_note): New.
13737 (maybe_add_dead_note_use): New.
13738 (find_insn_with_note): New.
13739 (new_insn_dead_notes): New.
13740 (update_n_sets): New.
13741 (sets_reg_or_subreg_1, sets_reg_or_subreg): New.
13742 (maybe_remove_dead_notes): New.
13743 (update_life_info): New.
13744 (prepend_reg_notes): New.
13745 (replace_insns): New.
13746 * output.h (update_life_info): Declare.
13747 * recog.c (split_block_insns): Use update_life_info.
13748 * resource.c (find_free_register): Use reg_alloc_order, don't use
13749 fixed regs, make sure the mode is supported, don't use new regs.
13751 * rtl.h (replace_insns): Declare.
13753 Tue Aug 24 13:48:39 1999 Nathan Sidwell <nathan@acm.org>
13755 * expr.c (expand_expr): Cope with COND_EXPRs with one
13756 non-returning branch.
13758 Mon Aug 23 22:28:16 1999 Mark Mitchell <mark@codesourcery.com>
13760 * expr.c (store_expr): Always pass down the target, even when not
13763 1999-08-24 Nick Clifton <nickc@cygnus.com>
13765 * configure.in: Define target_cpu_default for v850 targets.
13766 * configure: Regenerate
13768 * config/v850/v850.h (TARGET_CPU_generic): Define.
13769 (GO_IF_LEGITIMATE_ADDRESS): Insist that SImode and larger constant
13770 addresses are 4 byte aligned.
13772 * config/v850/v850.c (print_operand): Cope with 'R' format DFmode
13775 Tue Aug 24 09:32:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13777 * genattr.c (function_unit_desc): Constify a char*. Add prototype.
13778 (main): Add prototypes.
13780 * genattrtab.c (substitute_address, write_const_num_delay_slots,
13781 attr_eq, attr_numeral, attr_equal_p, attr_copy_rtx): Prototype.
13782 (write_attr_get): Emit prototypes along with function definition.
13783 (write_eligible_delay): Mark a parameter with ATTRIBUTE_UNUSED.
13784 (write_complex_function): Emit static prototype along with
13785 function definition.
13787 * genemit.c (gen_split): Emit prototypes along with function
13790 * genoutput.c (output_epilogue): Add prototype to `insn_outfun'.
13791 Likewise for predicates and `insn_operand_predicate'.
13792 (process_template): Emit static prototype along with function
13795 * genrecog.c (make_insn_sequence): Constify a char*. Add
13796 prototypes for get_split_*().
13797 (write_subroutine): Emit prototypes along with function
13800 Tue Aug 24 12:35:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13802 * gcse.c (find_avail_set): Follow chains of register-register copies.
13803 Use oprs_not_set_p to guarantee that the returned value can be
13805 (cprop_insn): Don't verify the return value of find_avail_set with
13808 * gcse.c (cprop_jump): New function, broken out of cprop_insn.
13809 (cprop_cc0_jump): New function.
13810 (cprop_insn): Break out new function cprop_jump and use it.
13811 Also use cprop_cc0_jump for machines with CC0.
13812 (cprop): Don't crash if cprop_insn turned the insn into a NOTE.
13814 * tree.h (current_function_calls_setjmp,
13815 current_function_calls_longjmp): Delete declarations.
13816 * dsp16xx.c: Include "function.h".
13817 * elxsi.c: Likewise.
13818 * gmicro.c: Likewise.
13819 * h8300.c: Likewise.
13820 * i370.c: Likewise.
13821 * m32r.c: Likewise.
13822 * mn10200.c: Likewise.
13823 * mn10300.c: Likewise.
13824 * ns32k.c: Likewise.
13825 * spur.c: Likewise.
13826 * v850.c: Likewise.
13828 * rtl.h (rtx_equal_function_value_matters): Declare.
13829 * toplev.c (rtx_equal_function_value_matters): Don't declare.
13831 * function.c: Likewise.
13832 * emit-rtl.c: Likewise.
13834 Tue Aug 24 02:47:44 1999 Jeffrey A Law (law@cygnus.com)
13836 * expr.c (convert_move): Fix arguments to TRULY_NOOP_TRUNCATION
13839 1999-08-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
13841 * jump.c (delete_barrier_successors) Match (set (pc) (pc)) insn
13844 Mon Aug 23 23:35:52 1999 Matthias Klose <doko@cs.tu-berlin.de>
13846 * cpp.texi: Add a node documenting macro varargs (copied
13849 1999-08-23 22:23 -0700 Zack Weinberg <zack@bitmover.com>
13851 * cppspec.c: Put a null pointer at the end of the new argv.
13853 Mon Aug 23 21:23:24 1999 Jeffrey A Law (law@cygnus.com)
13855 * configure.in: Remove code to select/de-select the haifa
13856 scheduler. Every scheduled port gets haifa now.
13857 * configure: Rebuilt.
13858 * flags.h, genattrtab.c, rtl.h, toplev.c: Remove HAIFA ifdefs.
13860 * Makefile.in: Corresponding changes.
13862 Mon Aug 23 16:04:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13864 * optabs.c (prepare_cmp_insn): Turn COMPARISON arg into a pointer.
13865 All callers changed.
13866 (prepare_float_lib_cmp): Likewise.
13867 Use FLOAT_LIB_COMPARE_RETURNS_BOOL.
13868 * expr.h (emit_float_lib_cmp): Delete declaration.
13869 * tm.texi (FLOAT_LIB_COMPARE_RETURNS_BOOL): Document.
13870 * sparc.h (FLOAT_LIB_COMPARE_RETURNS_BOOL): Define.
13871 * sparc.md (bcc and scc patterns): Don't handle TFmode comparisons
13873 (cmptf): Now conditional on TARGET_HARD_QUAD.
13875 Fri Aug 20 17:52:27 1999 Jim Wilson <wilson@cygnus.com>
13877 * resource.c (mark_target_live_regs): Use
13878 PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.
13880 Fri Aug 20 19:07:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13882 * rtl.c (rtx_class, note_insn_name, reg_note_name): Constify.
13884 * rtl.h (rtx_class, reg_note_name, note_insn_name): Likewise.
13886 * genopinit.c (gen_insn): Use accessor macro, not `rtx_class'.
13888 Fri Aug 20 18:53:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13890 * rtl.h (rtx_format): Constify a char*.
13892 * rtl.c (rtx_format): Likewise.
13893 (copy_rtx, copy_most_rtx, read_rtx): Likewise.
13894 (init_rtl): Use accessor macro, not `rtx_format'.
13896 * alias.c (rtx_equal_for_memref_p, find_symbolic_term): Constify a
13899 * caller-save.c (mark_referenced_regs): Likewise.
13901 * combine.c (subst, make_compound_operation, known_cond,
13902 gen_rtx_combine, update_table_tick, get_last_value_validate,
13903 use_crosses_set_p, mark_used_regs_combine, move_deaths): Likewise.
13905 * cse.c (rtx_cost, mention_regs, canon_hash, exp_equiv_p,
13906 refers_to_p, canon_reg, fold_rtx, cse_process_notes,
13907 count_reg_usage): Likewise.
13909 * emit-rtl.c (gen_rtx, copy_rtx_if_shared, reset_used_flags):
13912 * final.c (leaf_renumber_regs_insn): Likewise.
13914 * flow.c (mark_used_regs, find_use_as_address, dump_flow_info,
13915 dump_edge_info, count_reg_references): Likewise.
13917 * function.c (fixup_var_refs_1, walk_fixup_memory_subreg,
13918 fixup_stack_1, purge_addressof_1, instantiate_virtual_regs_1):
13921 * gcse.c (oprs_unchanged_p, hash_expr_1, expr_equiv_p,
13922 oprs_not_set_p, expr_killed_p, compute_transp, find_used_regs,
13923 add_label_notes): Likewise.
13925 * genattrtab.c (attr_rtx, attr_copy_rtx, encode_units_mask,
13926 clear_struct_flag, count_sub_rtxs, count_alternatives,
13927 compares_alternatives_p, contained_in_p, walk_attr_value,
13928 write_expr_attr_cache): Likewise.
13930 * genconfig.c (walk_insn_part): Likewise.
13932 * genemit.c (max_operand_1, gen_exp): Likewise.
13934 * genextract.c (walk_rtx): Likewise.
13936 * genflags.c (num_operands): Likewise.
13938 * genoutput.c (scan_operands): Likewise.
13940 * genpeep.c (match_rtx): Likewise.
13942 * genrecog.c (add_to_sequence): Likewise.
13944 * haifa-sched.c (may_trap_exp, sched_analyze_2, attach_deaths):
13947 * integrate.c (save_constants, copy_for_inline,
13948 copy_rtx_and_substitute, subst_constants, restore_constants):
13951 * jump.c (mark_jump_label, invert_exp, redirect_exp,
13952 rtx_renumbered_equal_p, rtx_equal_for_thread_p): Likewise.
13954 * local-alloc.c (contains_replace_regs, memref_referenced_p):
13957 * loop.c (record_excess_regs, rtx_equal_for_loop_p,
13958 add_label_notes, replace_call_address, count_nonfixed_reads,
13959 invariant_p, find_single_use_in_loop, find_mem_givs,
13960 find_life_end, maybe_eliminate_biv_1, update_reg_last_use):
13963 * print-rtl.c (reg_names, print_rtx): Likewise.
13965 * recog.c (validate_replace_rtx_1, find_single_use_1): Likewise.
13967 * reg-stack.c (stack_regs_mentioned_p, record_label_references,
13968 record_reg_life_pat, swap_rtx_condition, goto_block_pat,
13969 print_blocks): Likewise.
13971 * regclass.c (fix_register, record_address_regs,
13972 reg_scan_mark_refs): Likewise.
13974 * regmove.c (stable_but_for_p): Likewise.
13976 * reload.c (loc_mentioned_in_p, operands_match_p,
13977 find_reloads_toplevsubst_reg_equivs, find_reloads_address_1,
13978 copy_replacements, refers_to_regno_for_reload_p,
13979 refers_to_mem_for_reload_p, find_inc_amount, regno_clobbered_p,
13980 reload_when_needed_name, reg_class_names, debug_reload_to_stream):
13983 * reload1.c (eliminate_regs, scan_paradoxical_subregs,
13984 delete_address_reloads_1, count_occurrences,
13985 reload_cse_mem_conflict_p, reload_combine_note_use,
13986 add_auto_inc_notes): Likewise.
13988 * resource.c (mark_referenced_resources, mark_set_resources):
13991 * rtlanal.c (rtx_unstable_p, rtx_varies_p, rtx_addr_varies_p,
13992 reg_mentioned_p, regs_set_between_p, modified_between_p,
13993 modified_in_p, refers_to_regno_p, reg_overlap_mentioned_p,
13994 rtx_equal_p, volatile_insn_p, volatile_refs_p, side_effects_p,
13995 may_trap_p, inequality_comparisons_p, replace_rtx, replace_regs,
13996 jmp_uses_reg_or_mem, for_each_rtx, regno_use_in): Likewise.
13998 * sched.c (sched_analyze_2, attach_deaths): Likewise.
14000 * stupid.c (stupid_mark_refs): Likewise.
14002 * unroll.c (remap_split_bivs): Likewise.
14004 * varasm.c (mark_constants): Likewise.
14006 * a29k/a29k.c (uses_local_reg_p): Likewise.
14008 * alpha/alpha.c (summarize_insn): Likewise.
14010 * arm/arm.c (symbol_mentioned_p, label_mentioned_p,
14011 eliminate_lr2ip): Likewise.
14013 * arm/thumb.c (symbol_mentioned_p, label_mentioned_p): Likewise.
14015 * i386/i386.c (symbolic_reference_mentioned_p, copy_all_rtx,
14016 reg_mentioned_in_mem): Likewise.
14018 * ns32k/ns32k.c (global_symbolic_reference_mentioned_p,
14019 symbolic_reference_mentioned_p): Likewise.
14021 * romp/romp.c (unsigned_comparisons_p, hash_rtx): Likewise.
14023 * sh/sh.c (regs_used, mark_use): Likewise.
14025 * vax/vax.c (vax_rtx_cost): Likewise.
14027 Fri Aug 20 18:38:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14029 * machmode.h (mode_name): Constify a char*.
14031 * rtl.c (mode_name): Likewise.
14033 * genopinit.c (gen_insn): Use accessor macro, not `mode_name'.
14035 * optabs.c (init_libfuncs): Constify a char*.
14037 * print-tree.c (mode_name): Remove redundant declaration.
14038 (print_node): Use accessor macro, not `mode_name'.
14040 * reload1.c (dump_needs): Constify a char*. Use accessor macro,
14042 (new_spill_reg): Constify a char*.
14044 * tree.c (mode_name): Remove redundant declaration.
14046 Fri Aug 20 18:31:26 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14048 * rtl.c (rtx_name): Constify a char*.
14050 * rtl.h (rtx_name, fix_sched_param): Likewise.
14052 * gmicro/gmicro.c (rtx_name): Remove redundant declaration.
14053 (mypr): Use accessor macro, not `rtx_name'.
14055 * genemit.c (print_code): Constify a char*.
14057 * genopinit.c (gen_insn): Use accessor macro, not `rtx_name'.
14059 * genpeep.c (print_code): Constify a char*.
14061 * genrecog.c (print_code): Likewise.
14063 * graph.c (start_fct, start_bb, node_data, draw_edge, end_fct,
14064 end_bb): Add static prototype.
14065 (draw_edge): Constify a char*.
14066 (end_bb): Remove unused parameter.
14068 * haifa-sched.c (fix_sched_param, safe_concat, print_exp
14069 print_block_visualization): Constify a char*.
14071 Fri Aug 20 15:02:10 1999 Mark Mitchell <mark@codesourcery.com>
14073 * c-common.c (c_get_alias_set): Update comment.
14075 1999-08-20 Andreas Jaeger <aj@arthur.rhein-neckar.de>
14077 * linux.h (LIB_SPEC): Added.
14079 Fri Aug 20 22:32:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14081 * config/c4x/c4x.h (STARTFILE_SPEC): Don't define.
14083 1999-08-19 18:43 -0700 Zack Weinberg <zack@bitmover.com>
14085 * tree.c (expr_check): Fix typo in last change.
14087 1999-08-19 14:44 -0700 Zack Weinberg <zack@bitmover.com>
14089 * rtl.def (NOTE): Change format to "iuu0n".
14090 (ADDR_DIFF_VEC): Change format to "eEee0".
14091 (ADDRESSOF): Change format to "eit".
14093 * rtl.h (rtvec): Make "elem" an array of rtx, not rtunion.
14094 (RTVEC_ELT): Change to match.
14095 (XVECEXP): Use XVEC and RTVEC_ELT.
14096 (INSN_UID, INSN_CODE, CODE_LABEL_NUMBER, NOTE_LINE_NUMBER,
14097 ADDRESSOF_REGNO, REGNO, SUBREG_WORD): Use XINT.
14098 (PREV_INSN, NEXT_INSN, PATTERN, REG_NOTES,
14099 CALL_INSN_FUNCTION_USAGE, SUBREG_REG, SET_SRC, SET_DEST,
14100 TRAP_CONDITION, TRAP_CODE): Use XEXP.
14101 (INTVAL): Use XWINT.
14102 (ADDRESSOF_DECL): Use XTREE.
14103 (SET_ADDRESSOF_DECL): Delete.
14104 (NOTE_DECL_NAME, NOTE_DECL_CODE, NOTE_DECL_RTL,
14105 NOTE_DECL_IDENTIFIER, NOTE_DECL_TYPE): Kill. These have been
14106 ifdefed out since 2.6 at least.
14107 (gen_rtvec_vv): Delete prototype.
14109 * rtl.h (rtvec_alloc): rt->elem is now an array of rtx,
14111 (copy_most_rtx): Handle 't' format letter.
14112 * emit-rtl.c (gen_rtvec_v): rt_val->elem is an array of rtx.
14113 (gen_rtvec_vv): Delete function. All callers changed to use
14114 gen_rtvec_v instead.
14115 * print-rtl.c (print_rtx): Move special casing of NOTEs to
14116 the '0' format letter.
14118 * function.c (gen_mem_addressof): Don't use
14119 SET_ADDRESSOF_DECL; provide `decl' to gen_rtx_ADDRESSOF
14121 * integrate.c (copy_rtx_and_substitute): Likewise.
14122 Copy 't' slots with XTREE.
14123 (subst_constants): Treat 't' slots like '[swi]' slots.
14124 * cse.c (canon_hash, exp_equiv_p): Treat 't' slots like '0' slots.
14125 * jump.c (rtx_equal_for_thread_p): Likewise.
14126 * rtlanal.c (rtx_equal_p): Likewise.
14127 * stmt.c (expand_end_case): gen_rtx_ADDR_DIFF_VEC now takes
14128 only four arguments.
14129 * gengenrtl.c (type_from_format): Provide correct types for
14133 * tree.h [ENABLE_CHECKING] (TREE_CHECK, TREE_CLASS_CHECK):
14134 If a recent gcc is in use (always in stage2 and beyond), use
14135 statement expressions, so we don't make a function call unless
14136 the check fails. Evaluate arguments exactly once.
14137 (CHAIN_CHECK, DO_CHECK, DO_CHECK1, TREE_CHECK1,
14138 TREE_CLASS_CHECK1, TYPE_CHECK1, DECL_CHECK1, CST_CHECK1):
14140 (CST_OR_CONSTRUCTOR_CHECK, EXPR_CHECK): Redefine such that
14141 they evaluate their arguments exactly once, irrespective of
14142 the compiler in use.
14144 * tree.c [ENABLE_CHECKING]: Define whichever set of functions
14145 is used by the currently-enabled check macros. This is:
14146 (tree_check_failed, tree_class_check_failed): For gcc.
14147 (tree_check, tree_class_check, cst_or_constructor_check,
14148 expr_check): For other compilers.
14150 * gencheck.c: Do not define any *_CHECK1 macros.
14152 Thu Aug 19 14:42:38 1999 Mike Stump <mrs@wrs.com>
14153 Mark Mitchell <mark@codesourcery.com>
14155 * c-common.c (c_get_alias_set): Fix support for poitners and
14158 Thu Aug 19 11:51:22 EDT 1999 John Wehle (john@feith.com)
14160 * alias.c: Include tree.h.
14161 (nonlocal_reference_p, mark_constant_function): New functions.
14162 * flow.c (life_analysis): Call mark_constant_function.
14163 * rtl.h (mark_constant_function): Declare it.
14165 Thu Aug 19 15:02:01 1999 Nick Clifton <nickc@cygnus.com>
14167 * config/rs6000/rs6000.c (rs6000_override_options): Fix test for
14168 unrecognisable switches.
14170 Wed Aug 18 23:31:57 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14172 * loop.c (recombine_givs): Set ix field after sorting.
14173 (recombine_givs): Remove bogus index / giv lockstep looping.
14175 Wed Aug 18 18:20:40 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14177 * expmed.c (emit_store_flag): If UNSIGNEDP, call unsigned_condition
14179 (emit_store_flag_force): Use do_compare_rtx_and_jump.
14180 (do_cmp_and_jump): Formatting fixes.
14181 * expr.c (do_compare_and_jump): Renamed from compare; changed to call
14182 do_compare_rtx_and_jump instead of compare_from_rtx.
14183 (do_compare_rtx_and_jump): New function; mostly copied from
14185 (do_jump_for_compare): Delete.
14186 (expand_expr): Use do_compare_rtx_and_jump when handling MAX_EXPR and
14188 (do_jump): Use do_compare_and_jump or do_compare_rtx_and_jump instead
14189 of compare/do_jump_for_compare pairs.
14190 (do_jump_by_parts_greater): Use do_jump_by_parts_greater_rtx.
14191 (do_jump_by_parts_greater_rtx): Use do_compare_rtx_and_jump instead of
14192 compare_from_rtx/do_jump_for_compare pairs.
14193 (do_jump_by_parts_equality): Likewise.
14194 (do_jump_by_parts_equality_rtx): Likewise.
14195 * expr.h (do_compare_rtx_and_jump): Declare.
14196 * optabs.c (prepare_cmp_insn): New function, contains most of the code
14197 that used to be in emit_cmp_insn.
14198 (cmp_available_p): New function.
14199 (prepare_operand): New function.
14200 (emit_cmp_and_jump_insn_1): New function, contains some code that used
14201 to be in emit_cmp_insn.
14202 (prepare_float_lib_cmp): Renamed from emit_float_lib_cmp; change some
14203 parameters to be pointers; don't emit final compare but modify some of
14204 the values pointed to by the args so the caller can perform the
14205 correct comparison.
14206 (expand_binop): Call emit_store_flag_force with signed forms of
14208 (expand_abs): Use do_compare_rtx_and_jump instead of compare_from_rtx/
14209 emit_jump_insn pair.
14210 (emit_cmp_and_jump_insn): Use prepare_cmp_insn and
14211 emit_cmp_and_jump_insn_1. Call emit_queue.
14212 (emit_cmp_insn): Just call emit_cmp_and_jump_insns with zero for LABEL
14214 * flow.c (tidy_fallthru_edge): If HAVE_cc0, verify insn before a
14215 jump sets cc0 before deleting it.
14216 * integrate.c (expand_inline_function): Likewise.
14217 * unroll.c (unroll_loop): Similar changes in several places.
14218 (copy_loop_body): If HAVE_cc0, verify insn before a jump sets cc0
14219 before deleting it.
14221 Wed Aug 18 06:37:44 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14223 * Makefile.in (insn-recog.o): Update dependencies.
14224 * genrecog.c (main): Make generated file include "function.h".
14226 Sat Aug 14 00:54:57 1999 Geoffrey Keating <geoffk@cygnus.com>
14228 * cse.c (cse_insn): Call never_reached_warning when a jump is
14229 changed to be unconditional.
14230 * flags.h: Declare warn_notreached.
14231 * flow.c (delete_block): Call never_reached_warning when
14232 a block is deleted.
14233 * jump.c (delete_barrier_successors): Call never_reached_warning
14234 when we delete everything after a BARRIER.
14235 (never_reached_warning): New function.
14236 * rtl.h: Declare never_reached_warning.
14237 * toplev.c (warn_notreached): New variable.
14238 (lang_independent_options): Set warn_notreached
14239 when -Wunreachable-code.
14240 (compile_file): We need line numbers for -Wunreachable-code.
14242 Tue Aug 17 22:06:11 1999 Jan Hubicka <hubicka@freesoft.cz>
14244 * haifa-sched.c (insn_unit): Fix typo on out of range test.
14245 * sched.c (insn_unit): Likewise.
14247 Tue Aug 17 21:57:23 1999 Andreas Schwab <schwab@suse.de>
14249 * combine.c (distribute_notes): Handle REG_EH_RETHROW.
14251 Tue Aug 17 17:39:43 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
14253 * flow.c (create_edge_list): Use xmalloc, not malloc.
14255 Tue Aug 17 01:40:54 1999 Loren Rittle <ljrittle@acm.org>
14257 * fixinc/inclhack.def (no_double_slash): Do not trash single-line
14258 C-style comments. Do not lose the character before double slash.
14260 Mon Aug 16 18:08:22 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
14262 * basic-block.h (struct edge_list): Stucture to maintain a vector
14264 (EDGE_INDEX_NO_EDGE, EDGE_INDEX, INDEX_EDGE_PRED_BB, INDEX_EDGE_SUCC_BB,
14265 INDEX_EDGE, NUM_EDGES): New Macros for accessing edge list.
14266 (create_edge_list, free_edge-List, print_edge_list, verify_edge_list):
14267 New function prototypes.
14268 * flow.c (create_edge_list): Function to create an edge list.
14269 (free_edge_list): Discards memory used by an edge list.
14270 (print_edge_list): Debug output showing an edge list.
14271 (verify_edge_list): Internal consistency check for an edge list.
14272 (find_edge_index): Function to find an edge index for a pred and succ.
14274 Mon Aug 16 11:56:36 1999 Mark Mitchell <mark@codesourcery.com>
14276 * tree.c (type_hash_add): Use permalloc to allocate nodes in the
14279 Mon Aug 16 17:04:15 1999 Jorn Rennecke <amylaar@cygnus.co.uk>
14281 * mips.h (CLASS_CANNOT_CHANGE_SIZE): Define.
14283 Fri Aug 13 15:20:43 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
14285 * config/i386/freebsd.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
14287 Fri Aug 13 10:21:28 1999 Nick Clifton <nickc@cygnus.com>
14289 * toplev.c (rest_of_compilation): Allow machine dependent
14290 reorganisation pass to place information into the RTL dump
14291 file if it so wishes.
14293 Sun Aug 15 12:41:21 1999 Jim Wilson <wilson@cygnus.com>
14295 * explow.c (hard_function_value): Use VOIDmode instead of
14297 * stmt.c (expand_return): Likewise.
14298 * stor-layout.c (get_best_mode): Likewise.
14300 * genemit.c (gen_expand): If next is MATCH_PAR_DUP, then output
14301 emit call instead of emit_insn call.
14303 Sat Aug 14 15:04:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
14305 * configure.in: Handle --disable/enable-win32-registry.
14306 * install.texi: Document --disable/enable-win32-registry.
14307 * acconfig.h (ENABLE_WIN32_REGISTRY): New macro.
14308 (WIN32_REGISTRY_KEY): New macro.
14309 * prefix.c: Use to enable/disable win32-specific code.
14310 (lookup_key): Use versioned key.
14311 * configure: Regenerate.
14312 * config.in: Likewise.
14314 Fri Aug 13 17:41:55 1999 Jason Merrill <jason@yorick.cygnus.com>
14316 * cpplib.c (read_line_number): New fn, split out of...
14319 Fri Aug 13 14:18:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
14321 tree.c (lang_unsave_expr_now) : New.
14322 (unsave_expr_now): Call lang_unsave_expr_now.
14323 tree.h (lang_unsave_expr_now) : New.
14325 Fri Aug 13 00:49:46 1999 Jason Merrill <jason@yorick.cygnus.com>
14327 * toplev.c (flag_new_exceptions): On by default.
14329 1999-08-13 Michael Meissner <meissner@cygnus.com>
14331 * Makefile.in (GCC_FOR_TARGET): Move -B./ after the tooldir -B.
14333 Fri Aug 13 01:29:57 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
14335 * dwarfout.c (fundamental_type_code): Return FT_boolean for
14336 INTEGER_TYPE with precision==1, it's __java_boolean.
14338 Thu Aug 12 23:51:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14340 * global.c (prune_preferences): Move some invariants out of the
14343 Thu Aug 12 15:30:29 1999 Jesse Perry (jap@unx.dec.com)
14345 * configure.in (alpha*-dec-osf*): Add osf5.
14347 Sun Aug 1 22:24:03 1999 Philip Blundell <philb@gnu.org>
14349 * configure.in: Rework handling of ARM GNU/Linux slightly.
14350 (arm*-*-linux-gnuoldld): New target.
14351 * configure: Regenerate.
14352 * install.texi (Configurations): Add arm-*-linux-gnu{oldld} and
14353 arm-*-elf. Mention that arm-*-linux-gnuaout is obsolete.
14354 * config/arm/linux-oldld.h: New file.
14355 * config/arm/linux-elf26.h: Don't include linux-elf.h.
14356 (TARGET_DEFAULT, SUBTARGET_LINK_SPEC, SUBTARGET_EXTRA_ASM_SPEC):
14358 * config/arm/linux-elf.h (ASM_SPEC): Define.
14359 (TARGET_DEFAULT, SUBTARGET_EXTRA_LINK_SPEC,
14360 SUBTARGET_EXTRA_ASM_SPEC, CPP_APCS_PC_DEFAULT): Add definitions
14361 for 26-bit APCS and old linker.
14362 (CPP_PREDEFINES): Define `__arm__'; don't define `arm' or
14364 (FP_DEFAULT): Define to FP_SOFT3 for all machines.
14365 * config/arm/linux-aout.h (CPP_PREDEFINES): Define `__arm__';
14366 don't define `arm' or `arm_elf'.
14367 * config/arm/t-linux (EXTRA_MULTILIB_PARTS, MULTILIB_OPTIONS,
14368 MULTILIB_DIRNAMES): Define. Fix typo in comment.
14370 Thu Aug 12 10:14:47 1999 Andreas Schwab <schwab@suse.de>
14372 * rtl.texi: Fix typo.
14374 Wed Aug 11 23:50:57 1999 Jason Merrill <jason@yorick.cygnus.com>
14376 * invoke.texi (C++ Dialect Options): Add -fms-extensions.
14378 Wed Aug 11 12:59:37 1999 Mark Mitchell <mark@codesourcery.com>
14380 * extend.texi (C++ Signatures): Remove node.
14381 * invoke.texi: Remove discussion of -fhandle-signatures,
14382 signature, sigof, __signature__, and __sigof__.
14384 Wed Aug 11 03:38:25 1999 Jeffrey A Law (law@cygnus.com)
14386 * Makefile.in (JAVAGC): Removed.
14388 Wed Aug 11 02:13:26 1999 Mumit Khan <khan@xraylith.wisc.edu>
14390 * i386/cygwin.h (ASM_OUTPUT_ALIGNED_BSS): Define.
14392 1999-08-11 Mark Elbrecht <snowball3@bigfoot.com>
14394 * i386/djgpp.h (ASM_OUTPUT_ALIGNED_BSS): Define.
14396 1999-08-11 Richard Earnshaw (rearnsha@arm.com)
14398 * emit-rtl.c (mark_reg_pointer): Don't increase the alignment of
14399 a register that is already known to be a pointer.
14401 1999-08-11 Bruce Korb <ddsinc09@ix.netcom.com>
14403 * fixinc/inclhack.tpl: Only install assert.h conditionally.
14404 * fixinc/inclhack.sh: Regenerated.
14405 * fixinc/fixincl.sh: Regenerated.
14407 Wed Aug 11 00:34:22 1999 Joe Buck <jbuck@synopsys.com>
14409 * invoke.texi: s/GNU CC/GCC/ for consistency with gcc.texi.
14410 Fix documentation of -ansi flag to describe its C++ behavior.
14411 Remove bogus reference to GCC 2.9.
14413 Tue Aug 10 17:19:02 1999 Jim Wilson <wilson@cygnus.com>
14415 * config/sh/sh.c (machine_dependent_reorg): Only call PUT_MODE on
14416 note if it is non-NULL.
14418 Tue Aug 10 10:47:42 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
14420 * except.h (eh_nesting_info): Add new structure defintion.
14421 (init_eh_nesting_info, free_eh_nesting_info): Add function prototypes.
14422 (reachable_handlers, update_rethrow_references): Add function
14424 * rtl.h (struct rtvec_def): Update comments. REG_EH_RETHROW takes
14425 a rethrow symbol instead of an integer exception region number.
14426 * flow.c (Make_edges): Use new exception nesting routines to determine
14427 which handlers are reachable from a CALL or asynchronous insn.
14428 Dont add an edge for calls with a REG_EH_REGION of -1 to non-local
14430 (delete_eh_regions): Update rethrow labels, and don't delete
14431 regions which are the target of a rethrow.
14432 * except.c (struct func_eh_entry): Add rethrow_ref field, now we can
14433 avoid overloading the SYMBOL_REF_USED flag.
14434 (rethrow_symbol_map): Use new rethrow_ref field.
14435 (rethrow_used): Use new rethrow_ref field.
14436 (expand_rethrow): REG_EH_RETHROW now has a SYMBOL_REF instead
14437 of an integer. Fix formatting.
14438 (output_exception_table_entry): Use new rethrow_ref field.
14439 (can_throw): Check for EH_REGION_NOTE before deciding
14440 whether a CALL can throw or not.
14441 (scan_region): Call rethrow_used() instead of accessing data structure.
14442 (update_rethrow_references): New function to make sure only regions
14443 which are still targets of a rethrow are flagged as such.
14444 (process_nestinfo): New static function to initialize a handler
14445 list for a specific region.
14446 (init_eh_nesting_info): New function to allocate and initialize
14447 the list of all EH handlers reachable from all regions.
14448 (reachable_handlers): New function to retrieve the list of handlers
14449 reachable from a specific region and insn.
14450 (free_eh_nesting_info): New function to dispose of a list of
14451 reachable handlers.
14453 Tue Aug 10 10:39:31 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
14455 * flow.c (split_edge): Set JUMP_LABEL field.
14456 (commit_one_edge_insertion): Set head correctly for insert_before.
14457 When inserting insns, update insn block numbers if allocated.
14459 Tue Aug 10 09:26:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14461 * dwarf2out.c (dwarf2out_frame_debug_expr, add_incomplete_type,
14462 retry_incomplete_types): Add static prototype.
14463 (stripattributes, dwarf_cfi_name, ASM_OUTPUT_DWARF_STRING,
14464 dwarf_tag_name, dwarf_attr_name, dwarf_form_name,
14465 dwarf_stack_op_name, dwarf_type_encoding_name, add_AT_string,
14466 dwarf2_name, add_name_attribute, lookup_filename, dwarf2out_line,
14467 dwarf2out_start_source_file, dwarf2out_define, dwarf2out_undef):
14470 * dwarf2out.h (dwarf2out_define, dwarf2out_undef,
14471 dwarf2out_start_source_file, dwarf2out_line): Likewise.
14473 Tue Aug 10 09:21:46 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14475 * output.h (assemble_name): Constify a char*.
14477 * varasm.c (UNIQUE_SECTION, assemble_start_function,
14478 assemble_variable, assemble_name): Likewise.
14480 * dwarf2out.c (ASM_NAME_TO_STRING): Likewise.
14482 * arm/pe.c (arm_pe_unique_section): Likewise.
14484 * i386/cygwin.h (STRIP_NAME_ENCODING): Likewise.
14486 * i386/i386-interix.h (STRIP_NAME_ENCODING): Likewise.
14488 * i386/interix.c (i386_pe_unique_section): Likewise.
14490 * i386/win32.h (STRIP_NAME_ENCODING): Likewise.
14492 * i386/winnt.c (i386_pe_unique_section): Likewise.
14494 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
14496 * mn10200/mn10200.h (ASM_OUTPUT_LABELREF): Likewise.
14498 * mn10300/mn10300.h (ASM_OUTPUT_LABELREF): Likewise.
14500 * pa/pa.c (output_call): Likewise.
14502 * pa/pa.h (ASM_OUTPUT_MI_THUNK): Likewise.
14504 * pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Likewise.
14506 * rs6000/rs6000.c (rs6000_output_load_toc_table, output_toc):
14509 * rs6000/rs6000.h (RS6000_OUTPUT_BASENAME, STRIP_NAME_ENCODING):
14512 * rs6000/sol2.h (ASM_OUTPUT_SOURCE_LINE): Likewise.
14514 * rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME, ASM_OUTPUT_INT,
14515 STRIP_NAME_ENCODING, ASM_OUTPUT_LABELREF): Likewise.
14517 * v850/v850.h (ASM_OUTPUT_LABELREF): Likewise.
14519 Mon Aug 9 19:54:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14521 * real.c (GET_REAL, PUT_REAL): Use memcpy instead of bcopy.
14523 Mon Aug 9 19:36:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14525 * tree.h (lang_identify): Constify a char*.
14526 (print_error_function): Add extern prototype. Constify a char*.
14528 * c-lang.c (lang_identify): Constify a char*.
14530 * objc/objc-act.c (lang_identify): Constify a char*.
14532 Mon Aug 9 16:21:53 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14534 * genpeep.c (main): Make generated file include "function.h".
14535 * arm.c (function_really_clobbers_lr): Delete INLINE_HEADER case.
14537 Mon Aug 9 10:08:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14539 * Makefile.in: Update dependencies.
14540 * alias.c: Include "function.h"
14541 * c-decl.c: Likewise.
14542 * caller-save.c: Likewise.
14543 * calls.c: Likewise.
14544 * combine.c: Likewise.
14546 * explow.c: Likewise.
14547 * final.c: Likewise.
14548 * global.c: Likewise.
14549 * graph.c: Likewise.
14550 * local-alloc.c: Likewise.
14551 * loop.c: Likewise.
14552 * optabs.c: Likewise.
14553 * profile.c: Likewise.
14554 * recog.c: Likewise.
14555 * regclass.c: Likewise.
14556 * regmove.c: Likewise.
14557 * reload.c: Likewise.
14558 * reorg.c: Likewise.
14559 * resource.c: Likewise.
14560 * sched.c: Likewise.
14561 * stupid.c: Likewise.
14562 * config/1750a/1750a.c: Likewise.
14563 * config/a29k/a29k.c: Likewise.
14564 * config/arc/arc.c: Likewise.
14565 * config/arm/arm.c: Likewise.
14566 * config/arm/thumb.c: Likewise.
14567 * config/c4x/c4x.c: Likewise.
14568 * config/clipper/clipper.c: Likewise.
14569 * config/convex/convex.c: Likewise.
14570 * config/fx80/fx80.c: Likewise.
14571 * config/i860/i860.c: Likewise.
14572 * config/m68k/m68k.c: Likewise.
14573 * config/m88k/m88k.c: Likewise.
14574 * config/mips/mips.c: Likewise.
14575 * config/pdp11/pdp11.c: Likewise.
14576 * config/pyr/pyr.c: Likewise.
14577 * config/romp/romp.c: Likewise.
14578 * config/sh/sh.c: Likewise.
14579 * config/tahoe/tahoe.c: Likewise.
14580 * config/vax/vax.c: Likewise.
14581 * config/we32k/we32k.c: Likewise.
14582 * config/sparc/sparc.c: Include "function.h".
14583 (mem_min_alignment): Test current_function rather than
14584 regno_pointer_align.
14585 * config/pa/pa.c: Likewise.
14586 (compute_frame_size): Delete declaration of
14587 current_function_outgoing_args_size.
14588 * config/arc/arc.h (current_function_varargs): Delete declaration.
14589 * config/elxsi/elxsi.h (current_function_calls_alloca): Delete
14591 * config/i370/i370.h (current_function_outgoing_args_size): Delete
14593 * config/i386/i386.h (FINALIZE_PIC): Delete declaration of
14594 current_function_uses_pic_offset_table.
14595 * config/m68k/a-ux.h (FUNCTION_EXTRA_EPILOGUE): Delete declaration
14596 of current_function_returns_pointer.
14597 * config/m68k/altos3068.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
14598 * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
14599 * config/m68k/m68kv4.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
14600 * config/m68k/mot3300.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
14601 * config/m68k/pbb.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
14602 * config/m68k/tower-as.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
14603 * config/m88k/m88k.c: Include "function.h"
14604 (call_used_regs, current_function_pretend_args_size,
14605 current_function_outgoing_args_size, frame_pointer_needed): Delete
14607 * config/m88k/m88k.h (current_function_pretend_args_size): Delete
14609 * config/mips/mips.h (current_function_calls_alloca): Delete
14611 * config/mn10200/mn10200.h (current_function_needs_context,
14612 rtx_equal_function_value_matters): Delete declarations.
14613 * config/ns32k/ns32k (current_function_uses_pic_offset_table,
14614 flag_pic): Delete declarations.
14615 * config/pa/pa.h (current_function_pretend_args_size,
14616 current_function_decl): Delete declarations.
14617 * config/pa/som.h (current_function_varargs): Delete declaration.
14618 * config/pdp11/pdp11.h (current_function_pretend_args_size): Delete
14620 * config/pyr/pyr.h (current_function_pretend_args_size,
14621 current_function_args_size, current_function_calls_alloca): Delete
14623 * config/sh/sh.h (current_function_varargs): Delete declaration.
14624 * config/sparc/sparc.h (current_function_outgoing_args_size,
14625 current_function_calls_alloca, current_function_decl): Delete
14627 * config/spur/spur.h (current_function_pretend_args_size,
14628 current_function_calls_alloca): Delete declarations.
14629 * config/v850/v850.c (current_function_outgoing_args_size): Delete
14631 * config/vax/vms.h (current_function_name): Delete declaration.
14632 * gcse.c: Include "function.h".
14633 (current_function_name, current_function_calls_setjmp): Delete
14635 * haifa-sched.c: Include "function.h".
14636 (forced_labels): Delete declaration.
14637 * jump.c: Likewise.
14638 * reg-stack.c: Likewise.
14639 * reload1.c: Likewise.
14640 * genemit.c (main): Make generated file include function.h.
14641 * genoutput.c (output_prologue): Likewise.
14643 * builtins.c (saveregs_value, apply_args_value): Delete variables.
14644 * emit-rtl.c (reg_rtx_no, first_label_num, first_insn, last_insn,
14645 sequence_rtl_expr, cur_insn_uid, last_linenum, last_filename,
14646 regno_pointer_flag, regno_pointer_flag_length, regno_pointer_align,
14647 regno_reg_rtx, sequence_stack): Delete variables. Add accessor
14648 macros for some of them.
14649 (emit_filename, emit_lineno): Delete declarations.
14650 (gen_reg_rtx): Use memset/memcpy instead of bzero/bcopy. Access
14651 regno_pointer_* variables through current_function.
14652 (gen_inline_header_rtx): Delete function.
14653 (save_emit_status): Delete function.
14654 (set_new_last_label_num): New function.
14655 (clear_emit_caches): New function.
14656 (restore_emit_status): Just clear last_labelnum and call
14658 (get_last_insn_anywhere): Variable sequence_stack is now accessed
14659 through macro seq_stack.
14660 (add_insn_after): Likewise.
14661 (add_insn_before): Likewise.
14662 (remove_insn): Likewise.
14663 (pop_topmost_sequence): Likewise.
14664 (in_sequence_p): Likewise.
14665 (start_sequence_for_rtl_expr): Likewise.
14666 (start_sequence): Likewise, and likewise for
14667 sequence_rtl_expr/seq_rtl_expr.
14668 (push_topmost_sequence): Likewise.
14669 (end_sequence): Likewise.
14670 (init_virtual_regs): Now takes a "struct emit_status *" argument.
14671 All callers changed. Store into that pointer instead of globals.
14672 (init_emit): Allocate emit elt of current_function.
14673 Changes for sequence_rtl_expr/sequence_stack renaming.
14674 Call clear_emit_caches instead of doing it in-line.
14675 Access regno_pointer_* variables through current_function.
14676 (init_emit_once) Don't clear sequence_stack.
14678 * expr.c (pending_stack_adjust, inhibit_defer_pop, pending_chain):
14680 (arg_pointer_save_area): Delete declaration.
14681 (finish_expr_for_function): Renamed from init_queue; no longer static.
14682 (init_expr): Don't call init_queue.
14683 (save_expr_status, restore_expr_status): Delete functions.
14684 (expand_expr): Changes to reflect new layout of struct function.
14685 Don't access current_function_check_memory_usage when current_function
14687 * expr.h (forced_labels, save_expr_regs, saveregs_value,
14688 apply_args_value, current_function_calls_alloca, inhibit_defer_pop,
14689 current_function_outgoing_args_size, current_function_arg_offset_rtx,
14690 current_function_uses_const_pool, function_call_count,
14691 current_function_uses_pic_offset_table, nonlocal_labels,
14692 current_function_internal_arg_pointer, nonlocal_goto_stack_level,
14693 current_function_check_memory_usage, nonlocal_goto_handler_slots,
14694 pending_stack_adjust, target_temp_slot_level, temp_slot_level): Delete
14696 (finish_expr_for_function): Declare.
14697 * flags.h (current_function_has_nonlocal_label,
14698 current_function_has_nonlocal_goto, current_function_is_thunk,
14699 current_function_has_computed_jump): Delete declarations.
14700 * flow.c (forced_labels): Delete declaration.
14701 * function.c (current_function_pops_args,
14702 current_function_returns_struct, current_function_returns_pcc_struct,
14703 current_function_needs_context, current_function_calls_setjmp,
14704 current_function_calls_longjmp, current_function_has_nonlocal_label,
14705 current_function_has_nonlocal_goto, current_function_is_thunk,
14706 current_function_has_computed_jump, current_function_calls_alloca,
14707 current_function_contains_functions, current_function_returns_pointer,
14708 current_function_epilogue_delay_list, current_function_args_size,
14709 current_function_pretend_args_size, current_function_arg_offset_rtx,
14710 current_function_outgoing_args_size, current_function_varargs,
14711 current_function_stdarg, current_function_args_info, cleanup_label,
14712 current_function_name, current_function_uses_const_pool,
14713 current_function_instrument_entry_exit, current_function_return_rtx,
14714 current_function_uses_pic_offset_table, nonlocal_labels,
14715 current_function_internal_arg_pointer, current_function_cannot_inline,
14716 current_function_check_memory_usage, function_call_count,
14717 nonlocal_goto_handler_slots, nonlocal_goto_handler_labels,
14718 nonlocal_goto_stack_level, return_label, save_expr_regs,
14719 stack_slot_list, rtl_expr_chain, tail_recursion_label, temp_slots,
14720 tail_recursion_reentry, arg_pointer_save_area, frame_offset,
14721 context_display, trampoline_list, parm_birth_insn, invalid_stack_slot,
14722 last_parm_insn, max_parm_reg, parm_reg_stack_loc, sequence_rtl_expr,
14723 temp_slot_level, var_temp_slot_level, target_temp_slot_level):
14725 (push_function_context_to): Don't save them. Don't call
14726 save_storage_status, save_emit_status or save_expr_status.
14727 (pop_function_context_from): Don't restore them. Don't call
14728 restore_storage_status or restore_expr_status.
14729 (get_func_frame_size): New function.
14730 (get_frame_size): Use it.
14731 (assign_outer_stack_local): Reflect some member name changes in struct
14733 (put_reg_into_stack): Likewise.
14734 (assign_stack_temp_for_type): sequence_rtl_expr was renamed to
14736 (fixup_var_refs): Likewise.
14737 (fix_lexical_addr): Likewise.
14738 (trampoline_address): Likewise.
14739 (prepare_function_start): Clear field inlinable of current_function.
14740 (init_function_for_compilation): New function.
14741 (expand_dummy_function_end): New function.
14742 (expand_function_end): Call finish_expr_for_function.
14743 * function.h (struct emit_status): New; fields moved here from struct
14744 function and from global variables. Add accessor macros for some of
14746 (struct expr_status): Likewise.
14747 (REGNO_POINTER_ALIGN, REGNO_POINTER_FLAG): Moved here from regs.h.
14748 (struct function): Add fields expr and emit, inlinable, inl_emit,
14749 original_arg_vector, original_decl_initial, inl_last_parm_insn,
14750 inl_max_label_num. Add many comments.
14751 Add accessor macros for all elts of struct function that no longer
14752 have a global variable.
14753 (cleanup_label, return_label, frame_offset, tail_recursion_label,
14754 tail_recursion_reentry, arg_pointer_save_area, rtl_expr_chain,
14755 stack_slot_list): Delete declarations.
14756 (get_func_frame_size): Declare.
14757 (save_expr_status, restore_expr_status, save_emit_status,
14758 save_storage_status, restore_storage_status): Delete declarations.
14759 (init_virtual_regs): Declare.
14760 * output.h (current_function_pops_args,
14761 current_function_returns_struct, current_function_returns_pcc_struct,
14762 current_function_needs_context, current_function_calls_setjmp,
14763 current_function_calls_longjmp, current_function_calls_alloca,
14764 current_function_has_nonlocal_label, current_function_varargs,
14765 current_function_has_computed_jump, current_function_returns_pointer,
14766 current_function_contains_functions, current_function_args_size,
14767 current_function_pretend_args_size, current_function_stdarg,
14768 current_function_outgoing_args_size, current_function_args_info,
14769 current_function_name, current_function_return_rtx,
14770 current_function_epilogue_delay_list,
14771 current_function_uses_const_pool, current_function_cannot_inline):
14772 Delete declarations.
14773 * regs.h (reg_rtx_no, regno_pointer_flag, regno_pointer_flag_length,
14774 regno_reg_rtx): Delete declaration.
14775 (REGNO_POINTER_FLAG): Delete macro.
14776 * stmt.c (expand_goto): Changes to reflect that some fields in struct
14777 function were renamed.
14778 * stor-layout.c (save_storage_status, restore_storage_status): Delete
14780 * toplev.c: Include "function.h".
14781 (current_function_decl): Delete declaration.
14782 (compile_file): Call init_dummy_function_start and
14783 expand_dummy_function_end around some initializations that need to
14785 (rest_of_compilation): Use DECL_SAVED_INSNS properly.
14786 Call init_function_for_compilation.
14787 * unroll.c: Include "function.h"
14788 (unroll_loop): Access regno_pointer_* variables through
14791 * tree.h (struct tree_decl): Add elt f to saved_insns member.
14792 (DECL_SAVED_INSNS): use it.
14793 (expand_dummy_function_end): Declare.
14794 (init_function_for_compilation): Declare.
14795 * calls.c (calls_function_1): Change use of DECL_SAVED_INSNS now
14796 that it's no longer an INLINE_HEADER.
14797 (expand_call): Likewise.
14798 * integrate.c (finish_inline): Delete function.
14799 (max_parm_reg, parm_reg_stack_loc): Delete declarations.
14800 (initialize_for_inline): Delete min_labelno, max_labelno and max_reg
14801 args. Don't generate an INLINE_HEADER rtx, just return the arg
14802 vector. All callers changed.
14803 (save_for_inline_copying): Create a duplicate struct emit_status to
14804 hold the emit state for compiling the current function. Use this and
14805 the other new fields in struct function that are for integration
14806 instead of an INLINE_HEADER.
14807 Use memcpy instead of bcopy.
14808 Store the current struct function in DECL_SAVED_INSNS of fndecl.
14809 (save_for_inline_nocopy): Similar changes, except no new emit_status
14811 (expand_inline_function): Get information from function structure,
14812 not from an inline header rtx.
14813 (output_inline_function): Lose code to extract the necessary
14814 information from an inline header; simply put back the function
14815 structure into current_function. Clear its inlinable elt.
14816 * rtl.def (INLINE_HEADER): Delete.
14817 * rtl.h: Delete all accessors for an INLINE_HEADER.
14818 (gen_inline_header_rtx): Delete declaration.
14819 (regno_reg_rtx, regno_pointer_align, nonlocal_goto_handler_labels):
14820 Delete declarations.
14821 (REGNO_POINTER_ALIGN): Delete.
14822 (clear_emit_caches): Declare.
14823 (set_new_last_label_num): Declare.
14825 Mon Aug 9 01:52:24 1999 Jason Merrill <jason@yorick.cygnus.com>
14827 * print-tree.c (print_node): Print base for OFFSET_TYPEs.
14829 * except.c (expand_eh_region_start_for_decl): Always start a new block.
14830 * stmt.c (is_eh_region): Make sure current_function is present, too.
14832 Mon Aug 9 01:15:24 1999 Jeffrey A Law (law@cygnus.com)
14834 * pa.h (HARD_REGNO_MODE_OK): Correctly handle FPregs, even when
14835 for 64bit PA targets.
14837 * pa.h (SELECT_SECTION): Define.
14838 * som.h (SELECT_SECTION): Delete.
14840 Sun Aug 8 15:13:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14842 * alias.c (init_alias_analysis): Wrap call to
14843 `prologue_epilogue_contains' within HAVE_prologue||HAVE_epilogue.
14845 1999-08-07 Bruce Korb <autogen@linuxbox.com>
14847 * fixinc/inclhack.def(irix_asm_apostrophe): IRIX 5.2's
14848 <sys/asm.h> contains an asm comment with an apostrophe
14849 * fixinc/inclhack.sh: regen
14850 * fixinc/fixincl.x: regen
14852 Sat Aug 7 19:37:07 1999 Richard Henderson <rth@cygnus.com>
14854 * function.c (init_function_start): Clear prologue & epilogue.
14855 (prologue_epilogue_contains): New function.
14856 * alias.c (init_alias_analysis): Use it.
14857 * rtl.h (prologue_epilogue_contains): Declare it.
14859 Sat Aug 7 19:32:16 1999 Richard Henderson <rth@cygnus.com>
14861 * jump.c (onlyjump_p): New function.
14862 * rtl.h: Declare it.
14863 * flow.c (delete_unreachable_blocks): Use onlyjump_p instead
14864 of condjump_p in calling tidy_fallthru_edge and merge_blocks.
14866 Sat Aug 7 17:09:36 1999 Richard Henderson <rth@cygnus.com>
14868 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_REG_SET
14869 to invert loops. Simplify block scanning.
14871 Sat Aug 7 02:11:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14873 * gcse.c (hash_scan_set): Treat SYMBOL_REFs like CONST_INTs.
14874 (cprop_insn): Treat SYMBOL_REFs like CONST_INTs.
14876 1999-08-07 Jonathan Larmour <jlarmour@cygnus.co.uk>
14878 * config/sparc/liteelf.h: New file to support sparclite-elf target
14879 * config/sparc/t-sp86x: New file to support sparc86x targets
14880 * config/sparc/sp86x-aout.h: New file to support sparc86x-aout target
14881 * config/sparc/sp86x-elf.h: New file to support sparc86x-elf target
14882 * configure.in: Support above target triplets
14883 * configure: Regenerated
14885 Sat Aug 7 01:39:27 1999 Philippe De Muyter <phdm@macqel.be>
14887 * fixinc/server.c (server_setup): Do not prefix function used as
14888 parameter with `&'.
14890 Sat Aug 7 00:21:20 1999 Richard Henderson <rth@cygnus.com>
14892 * alpha.md (movhi and movqi patterns): Correct predicate for !BWX.
14893 Remove fp reg alternatives.
14895 Sat Aug 7 00:06:54 1999 Jeffrey A Law (law@cygnus.com)
14897 * Makefile.in (TAROUTOPTS): Kill.
14898 (install-headers-tar): Use "xpf" for tar headerfile extraction
14899 * i370/x-oe (TAROUTOPTS): Delete.
14900 * m68k/x-apollo68 (TAROUTOPTS): Delete.
14901 * m68k/x-hp320 (TAROUTOPTS): Delete.
14902 * m68k/x-hp320g (TAROUTOPTS): Delete.
14903 * gcc.texi: Update bug reporting text.
14905 1999-08-6 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
14907 * reg-stack.c (change_stack) Fixed problem with negative array index.
14909 Fri Aug 6 23:08:44 1999 Jeffrey A Law (law@cygnus.com)
14911 * extend.texi, install.texi: Fix spelling mistakes.
14913 * Makefile.in (PREMADE_ATTRTAB_MD, PREMADE_ATTRTAB): Delete.
14914 (s-attrtab); No longer try to use pre-made insn-attrtab file.
14915 * mips/t-bsd: Delete references to obsolete PREMADE_ATTRTAB and
14916 PREMADE_ATTRTAB_MD.
14917 * mips/t-ecoff: Likewise.
14918 * mips/t-elf: Likewise.
14919 * mips/t-mips: Likewise.
14920 * mips/t-osfrose: Likewise.
14921 * mips/t-r3900: Likewise.
14922 * mips/t-svr3: Likewise.
14923 * mips/t-svr4: Likewise.
14924 * mips/t-ultrix: Likewise.
14926 * gcc.texi: Document recommend means to provide software floating
14927 point libraries in libgcc.a
14929 1999-08-06 Jason Merrill <jason@yorick.cygnus.com>
14931 * c-lex.c (yylex): We can have a number with no digits.
14933 Fri Aug 6 16:53:55 EDT 1999 John Wehle (john@feith.com)
14935 * jump.c (delete_prior_computation): New function, broken
14936 out of delete_computation. Check for side effects with
14937 side_effects_p instead of FIND_REG_INC_NOTE. Handle
14938 multi-word hard registers.
14939 (delete_computation): Use it. Check for side effects with
14940 side_effects_p instead of FIND_REG_INC_NOTE. Synthesize a
14941 missing REG_DEAD note for a register which is both set and
14944 Fri Aug 6 11:05:29 1999 Jeffrey A Law (law@cygnus.com)
14946 * elf.h (TEXT_SPACE_P, FUNCTION_NAME_P): Delete.
14947 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT): Likewise.
14948 (ASM_FILE_START): Import _mcount with the right type.
14949 (ASM_DECLARE_FUNCTION_NAME): Define.
14950 (ASM_OUTPUT_EXTERNAL, ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
14951 * pa.c (output_function_prologue): Always emit the function's label
14953 * pa.h (TEXT_SPACE_P): Define.
14954 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
14955 (ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT, ASM_GLOBALIZE_LABEL): Likewise.
14956 * som.h (TEXT_SPACE_P): Delete.
14957 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
14958 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT): Likewise.
14960 Thu Aug 5 19:29:39 1999 Jim Wilson <wilson@cygnus.com>
14962 * expr.c (emit_group_load): Allow src to be a CONCAT.
14964 Thu Aug 5 22:27:15 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14966 * config/sh/lib1funcs.asm (___movstrSI0): Change or r0,r0,r0 to nop.
14967 (___mulsi3): Use '!' comment character.
14969 Thu Aug 5 13:34:14 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14971 * reload1.c (maybe_fix_stack_asms): Also declare P as "const char *".
14973 Thu Aug 5 02:40:42 1999 Jeffrey A Law (law@cygnus.com)
14975 * gcc.c: Update URLs and mail addresses.
14976 * gcc.texi: Likewise.
14978 Thu Aug 5 01:14:13 1999 Daniel Jacobowitz <drow@false.org>
14980 * rs6000.c (current_file_function_operand): Return zero for
14982 (rs6000_encode_section_info): Do not set SYMBOL_REF_FLAG for
14984 * rs6000.h (ENCODE_SECTION_NIFO): Do not set SYMBOL_REF_FLAG
14987 Thu Aug 5 00:56:30 1999 Geoffrey Keating <geoffk@cygnus.com>
14989 * rs6000.c (rs6000_stack_info): For ABI_V4/ABI_SOLARIS -fpic, always
14990 allocate space in the stack frame for the PIC register.
14992 Thu Aug 5 00:20:47 1999 Jeffrey A Law (law@cygnus.com)
14994 * m68k.md (xordi3, anddi3): These patterns are not available on
14997 Wed Aug 4 23:39:20 1999 Mark Mitchell <mark@codesourcery.com>
14999 * real.c (GET_REAL): Don't violate ANSI/ISO aliasing rules.
15000 (PUT_REAL): Likewise.
15002 Wed Aug 4 20:45:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15004 * final.c (shorten_branches): Don't add an alignment for loops
15005 that have no label inside.
15007 Wed Aug 4 16:39:24 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15009 * builtins.c (expand_builtin_memcmp, expand_builtin_strcmp): Wrap
15010 prototypes in macro HAVE_cmpstrsi.
15012 * cpplib.c (cpp_get_token): Remove unused label `op3'.
15014 * emit-rtl.c (operand_subword): Remove unused variable
15017 * rtl.c (shallow_copy_rtx): Remove unused variable `format_ptr'.
15019 * tree.c (chainon): Wrap variable `t2' in macro ENABLE_CHECKING.
15021 Wed Aug 4 13:29:23 1999 Zack Weinberg <zack@bitmover.com>
15023 * cpphash.c (macroexpand): Delete leading whitespace when arg
15024 is concatenated before.
15025 (unsafe_chars): Correct test for whether + and - can extend a
15028 * cppinit.c (cpp_start_read): Do dependencies for
15029 -include/-imacros files also.
15031 * cpplib.c (cpp_scan_buffer): In no-output mode, don't bother
15032 tokenizing non-directive lines.
15033 (cpp_expand_to_buffer): Temporarily disable no-output mode.
15034 * cppmain.c: In no-output mode, just call cpp_scan_buffer for
15037 Wed Aug 4 12:53:44 1999 Jason Merrill <jason@yorick.cygnus.com>
15039 * expr.c (expand_expr, case PLUS_EXPR): Fix parallel case, too.
15041 * c-lex.c: Sync with C++ frontend.
15042 (linemode): New variable.
15043 (parse_float): imag, conversion_errno, and type are output only.
15044 (yylex): Adjust. Move initial '.' case into main switch.
15046 (handle_generic_pragma): Just deal with tokens.
15047 (readescape): Use ISXDIGIT and ISGRAPH.
15048 * c-parse.in: Add END_OF_LINE token.
15050 * c-lex.c (lang_init): Generalize.
15051 (nextchar): Remove. Replace uses with UNGETC.
15052 (skip_white_space): Handle linemode here. Optimize for cpplib.
15053 (skip_white_space_on_line): Remove.
15054 (extend_token_buffer_to): New fn.
15055 (extend_token_buffer): Use it.
15056 (read_line_number, check_newline): Just deal with tokens.
15057 (token_getch, token_put_back): New fns.
15058 (yylex): Use them. More cpplib optimizations. Simplify.
15060 Wed Aug 4 12:53:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
15061 Jason Merrill <jason@yorick.cygnus.com>
15063 * c-lex.c (init_parse): Set cpp_token to CPP_DIRECTIVE.
15064 (consume_string): Make this smart about USE_CPPLIB.
15065 (check_newline): Rewrite to be intelligent about USE_CPPLIB.
15066 (yylex): Rewrite to be intelligent about USE_CPPLIB.
15067 Also, clean up cases where we redundantly set token_buffer[0].
15068 (read_line_number): New fn.
15069 (ignore_escape_flag): New variable.
15071 Wed Aug 4 13:12:17 1999 Jeffrey A Law (law@cygnus.com)
15073 * a29k/t-a29kbare: Fix some comments.
15074 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
15075 (FPBIT, DPBIT): Define.
15076 * a29k/t-vx29k: Likewise.
15077 * arc/t-arc: Likewise.
15078 * arm/t-arm-elf: Likewise.
15079 * arm/t-bare: Likewise.
15080 * arm/t-pe: Likewise.
15081 * arm/t-pe-thumb: Likewise.
15082 * arm/t-semi: Likewise.
15083 * arm/t-thumb: Likewise.
15084 * arm/t-thumb-elf: Likewise.
15085 * arm/t-thumb-linux: Likewise.
15086 * h8300/t-h8300: Likewise.
15087 * i960/t-i960: Likewise.
15088 * i960/t-vxworks960: Likewise.
15089 * m32r/t-m32r: Likewise.
15090 * mips/t-ecoff: Likewise.
15091 * mips/t-elf: Likewise.
15092 * mips/t-r3900: Likewise.
15093 * pa/t-pro: Likewise.
15094 * rs6000/t-aix43: Likewise.
15095 * rs6000/t-beos: Likewise.
15096 * rs6000/t-newas: Likewise.
15097 * rs6000/t-ppccomm: Likewise.
15098 * rs6000/t-rs6000: Likewise.
15099 * rs6000/t-winnt: Likewise.
15100 * rs6000/t-xnewas: Likewise.
15101 * rs6000/t-xrs6000: Likewise.
15102 * sh/t-sh: Likewise.
15103 * sparc/t-elf: Likewise.
15104 * sparc/t-sparcbare: Likewise.
15105 * sparc/t-sparclite: Likewise.
15106 * sparc/t-splet: Likewise.
15107 * v850/t-v850: Likewise.
15108 * mn10200/t-mn10200: Fix comments.
15109 * mn10300/t-mn10300: Likewise.
15111 * pa.md (divsi3, udivsi3, modsi3, umodsi3 expanders): Clobber a new
15112 dummy operand. Allocate a new pseudo for the dummy operand.
15113 (divsi3, udivsi3, modis3, umodsi3 patterns): Corresponding changes.
15115 * pa.md (movqi, movhi patterns): Do not expose FP regs to regclass.
15117 Wed Aug 4 11:53:55 1999 Tom Tromey <tromey@cygnus.com>
15119 * configure: Rebuilt.
15120 * configure.in: Removed --enable-java-gc option and JAVAGC subst.
15122 Wed Aug 4 09:06:14 1999 Richard Earnshaw (rearnsha@arm.com)
15124 * recog.c (preproces_constraints): Zero recog_op_alt before
15125 processing the constraints.
15127 * arm.c (typedef minipool_node): Renamed from pool_node.
15128 (minipool_vector, minipool_size, minipool_vector_label): Similarly.
15129 (add_minipool_constant): New function.
15130 (dump_minipool): New function.
15131 (find_barrier): Remove special case for getting the insn size of
15132 an insn that references the constant pool.
15133 (minipool_fixup): New structure.
15134 (push_minipool_barrier): New function.
15135 (push_minipool_fix): New function.
15136 (note_invalid_constants): New function.
15137 (add_pool_constant, dump_table, fixit, broken_move): Delete.
15138 (arm_reorg): Rewrite code to fix up the constant pool into a
15139 series of mini-pools embedded in the insn stream.
15140 (arm_output_epilogue): New function, made mainly from the body
15141 of output_func_epilogue.
15142 (output_func_epilogue): Move insn generation part of epilogue code
15143 to arm_output_epilogue.
15144 * arm.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Delete.
15145 * arm.md (pool_range): New attribute.
15146 (zero_extendqidi2): Add attribute pool_range.
15147 (zero_extend_hisi_insn, load_extendqisi, extendhisi_insn,
15148 extendqihi_insn, extendqisi_insn, movdi, movsi_insn, pic_load_addr,
15149 pic_load_addr_based_insn, movhi_insn_arch4, movhi_insn_littleend,
15150 movhi_insn_bigend, loadhi_si_bigend, movsf_hard_insn, movsf_soft_insn,
15151 movdf_hard_insn, movdf_soft_insn, movxf_hard_insn): Likewise.
15152 (epilogue): New expand.
15153 (epilogue_insn): New insn. Call arm_output_epilogue.
15155 * arm.c (arm_poke_function_name): Undo change of July 17. Tidy up.
15156 * arm.h (TARGET_SWITCHES): Add missing doc string for TARGET_DEFAULT.
15158 Mon Aug 2 19:18:44 1999 Jason Merrill <jason@yorick.cygnus.com>
15160 * linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
15162 1999-08-04 Mark Elbrecht <snowball3@bigfoot.com>
15164 * config/i386/djgpp.h (BSS_SECTION_ASM_OP): Define.
15166 Wed Aug 4 02:15:32 1999 Richard Henderson <rth@cygnus.com>
15168 * jump.c (delete_insn): Delete the addr_vec when deleting a tablejump.
15170 Wed Aug 4 01:48:08 1999 Jim Kingdon <http://developer.redhat.com>
15172 * global.c: Fix comment.
15174 Wed Aug 4 01:43:01 1999 Ian Lance Taylor <ian@zembu.com>
15176 * gcc.c (access_check): New static function.
15177 (find_a_file): Use it when searching a directory list.
15178 * collect2.c (find_a_file): Don't accept directories found when
15179 searching a directory list.
15181 Wed Aug 4 01:40:43 1999 Philippe De Muyter <phdm@macqel.be>
15183 * tlink.c (symbol_hash_lookup): Do not prefix functions used as
15184 function parameters with `&'.
15185 (file_hash_lookup, demangled_hash_lookup, tlink_init): Ditto.
15187 Wed Aug 4 01:08:44 1999 Jeffrey A Law (law@cygnus.com)
15189 * flow.c (delete_unreachable_blocks): Do not call merge_blocks
15190 or tidy_fallthru_edge if the last insn in the block is not
15191 an unconditional jump or a simple conditional jump.
15193 Tue Aug 3 20:21:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15195 * Makefile.in (c-decl.o): Depends on defaults.h.
15197 Tue Aug 3 14:14:52 1999 Jeffrey A Law (law@cygnus.com)
15199 * pa.h (HARD_REGNO_NREGS): FP registers are always 4 bytes wide for
15201 (CLASS_MAX_NREGS): Likewise.
15203 Tue Aug 3 03:51:20 1999 Jeffrey A Law (law@cygnus.com)
15205 * cse.c (cse_insn): Fix dumb thinko in last change.
15207 Tue Aug 3 10:36:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15209 * reload1.c (maybe_fix_stack_asms): Declare CONSTRAINTS as
15212 Mon Aug 2 23:45:45 1999 Hans-Peter Nilsson <hp@bitrange.com>
15214 * dwarf2out.c (add_location_or_const_value_attribute): Correct
15215 test for sizes of passed and declared parameter types.
15217 Tue Aug 3 00:03:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15219 * fixincludes: Fix the return type of bsearch, char* -> void*.
15221 * fixinc/inclhack.def: Likewise.
15223 Mon Aug 2 18:29:32 1999 Mark Mitchell <mark@codesourcery.com>
15225 * invoke.texi (-fdump-translation-unit): New option.
15227 Mon Aug 2 17:54:19 1999 Richard Henderson <rth@cygnus.com>
15229 * expr.h (PROMOTE_PROTOTYPES): Move ...
15230 * defaults.h: ... to here.
15231 * c-decl.c: Include defaults.h instead of expr.h.
15232 * c-typeck.c: Include defaults.h.
15234 Mon Aug 2 17:10:24 1999 Mark Mitchell <mark@codesourcery.com>
15236 * toplev.h (errorcount): Declare.
15237 (warningcount): Likewise.
15238 (sorrycount): Likewise.
15239 * c-lex.c (errorcount): Don't declare.
15240 * dwarf2out.c (errorcount): Don't declare.
15242 Mon Aug 2 17:02:08 1999 Jason Merrill <jason@yorick.cygnus.com>
15244 * config/libgloss.h: Add a note discouraging use with ELF.
15245 * configure.in: Don't use libgloss.h for ELF targets.
15246 Always use_collect2 on a.out targets.
15248 Mon Aug 2 16:27:42 1999 Jim Wilson <wilson@cygnus.com>
15250 * combine.c (force_to_mode, case LSHIFTRT): Add goto shiftrt.
15251 (force_to_mode, case ASHIFTRT): Add shiftrt label.
15253 Tue Aug 3 00:45:02 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15255 * loop.c (strength_reduce): When doing biv->giv conversion, update
15256 reg note of NEXT->insn.
15258 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
15260 * real.c (PUT_REAL): Clear unused bytes if long double is IEEE quad.
15262 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
15264 * c-decl.c (get_parm_info, store_parm_decls): Change all uses of
15265 PROMOTE_PROTOTYPES, so that it tests it as a C expression.
15266 Ensure expr.h is included.
15267 * c-typecheck.c (convert_arguments): Ditto.
15269 * expr.h: Supply default for PROMOTE_PROTOTYPES (0).
15271 * config/arc/arc.h: Define PROMOTE_PROTOTYPES to 1.
15272 * config/convex/convex.h: Ditto.
15273 * config/dsp16xx/dsp16xx.h: Ditto.
15274 * config/fx80/fx80.h: Ditto.
15275 * config/gmicro/gmicro.h: Ditto.
15276 * config/i370/i370.h: Ditto.
15277 * config/i386/i386.h: Ditto.
15278 * config/m32r/m32r.h: Ditto.
15279 * config/m68k/m68k.h: Ditto.
15280 * config/m88k/m88k.h: Ditto.
15281 * config/mips/mips.h: Ditto.
15282 * config/pa/pa.h: Ditto.
15283 * config/pyr/pyr.h: Ditto.
15284 * config/tahoe/tahoe.h: Ditto.
15285 * config/we32k/we32k.h: Ditto.
15287 * config/sparc/sparc.h: Define PROMOTE_PROTOTYPES
15288 based on arch size.
15290 * config/i1750a/i1750a.h: Define PROMOTE_PROTOTYPES to 0.
15292 * config/i860/paragon.h: Remove PROMOTE_PROTOTYPES
15295 * tm.texi: Document new usage of PROMOTE_PROTOTYPES.
15297 1999-08-02 Richard Henderson <rth@cygnus.com>
15299 * m32r.c (m32r_setup_incoming_varargs): Use get_varargs_alias_set
15300 for the register spill block.
15301 (m32r_va_arg): New.
15302 * m32r.h (EXPAND_BUILTIN_VA_ARG): New.
15303 (EXPAND_BUILTIN_SAVEREGS): Delete #if 0 code.
15305 * m32r.h (INT8_P): Don't short-cut test with (unsigned).
15306 (INT16_P, CMP_INT16_P, UINT16_P): Likewise.
15307 (UPPER16_P, UINT24_P, INT32_P, UINT5_P): Likewise.
15309 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
15311 * config/sparc/linux.h: Define WCHAR_TYPE as "int" and undef
15312 MAX_WCHAR_TYPE defined in sparc.h.
15313 * config/sparc/linuxaout.h: Likewise.
15314 * config/sparc/linux64.h: Likewise.
15315 Also default to -mvis if CPU is UltraSPARC.
15317 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
15319 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): New macro.
15320 (RTX_OK_FOR_OLO10): Likewise.
15321 (GO_IF_LEGITIMATE_ADDRESS): If assembler supports offsetable
15322 %lo(), allow it in addresses...
15323 (PRINT_OPERAND_ADDRESS): ... and print it appropriately.
15324 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): sethi %lo()
15325 does not make sense.
15326 * config/sparc/sparc.c (sparc_hard_reg_printed): New array.
15327 (sparc_output_scratch_registers): New function.
15328 (output_function_prologue, sparc_flat_output_function_prologue): Use
15330 * varasm.c (make_decl_rtl): Use ASM_DECLARE_REGISTER_GLOBAL if
15332 * tm.texi (ASM_DECLARE_REGISTER_GLOBAL): Document it.
15333 * configure.in: Add check for .register pseudo-op support in as and
15334 check for offsetable %lo().
15335 * acconfig.h: Add templates for the above checks.
15336 * configure: Regenerate.
15338 1999-08-02 Richard Henderson <rth@cygnus.com>
15340 * sparc/linux64.h (TARGET_DEFAULT): Remove MASK_APP_REGS.
15341 * sparc/sol2-sld-64.h (TARGET_DEFAULT): Likewise.
15342 * sparc/sol2.h (TARGET_DEFAULT): Likewise.
15344 Mon Aug 2 23:46:45 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15346 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
15349 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
15351 * config/float-sparc.h: New file.
15352 * configure.in: Use float_format=sparc for sparc-*-linux-gnulibc1,
15353 sparc-*-linux-gnu and sparc64-*-linux*.
15355 1999-08-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
15357 * rs6000.c (rs6000_va_list): Type is an array.
15358 (rs6000_va_start): Don't doubly adjust for varargs.
15359 (rs6000_va_arg): Evaluate long long GPR adjustment.
15361 Mon Aug 2 16:15:57 1999 David Edelsohn <edelsohn@gnu.org>
15363 * rs6000/aix43.h (SUBTARGET_SWITCHES): Use -m64 and -m32 instead of
15364 -maix64 and -maix32.
15365 (ASM_SPEC, ASM_CPU_SPEC, CPP_SPEC, CPP_CPU_SPEC, LIB_SPEC,
15366 LINK_SPEC): Change appropriately.
15367 * rs6000/rs6000.c (short_cint_operand): Use CONST_OK_FOR_LETTER_P.
15368 (u_short_cint_operand): Likewise.
15369 * rs6000/rs6000.md (movdi splitters): Add TARGET_POWERPC64 support
15371 * rs6000/t-aix43 (MULTILIB): Change to -m64.
15373 * invoke.texi (RS/6000 Submodel): Document 64-bit processor options.
15375 Mon Aug 2 16:15:57 1999 Geoff Keating <geoffk@cygnus.com>
15377 * rs6000/rs6000.c (num_insns_constant_wide): Correct
15378 for type promotion.
15379 (add_operand): Get test correct for 64-bit HOST_WIDE_INT.
15380 (non_add_cint_operand): Likewise.
15381 (logical_operand): Likewise.
15382 (non_logical_cint_operand): Likewise.
15383 (print_operand): Correct printf()s for 64-bit HOST_WIDE_INT.
15384 (print_operand_address): Correct printf() for 64-bit HOST_WIDE_INT.
15385 (rs6000_select_rtx_section): Suppress warning.
15386 (small_data_operand): Suppress warning.
15387 (rs6000_got_register): Suppress warning.
15388 * rs6000/rs6000.md (andsi3): HOST_WIDE_INT is a signed
15389 type, so `J' is generally the wrong constraint for a SImode value;
15391 (andsi3_internal2): Likewise.
15392 (andsi3_internal3): Likewise.
15393 (iorsi3_internal1): Likewise.
15394 (xorsi3_internal1): Likewise.
15396 (movsf_softfloat): Likewise.
15397 (scc insns): Likewise.
15398 (movsi+2): Preserve sign bits of SImode constant.
15399 (floatsidf2_internal+1): Sign-extend SImode constant correctly.
15400 (movdf+1): Sign-extend properly.
15401 (movdi_32+1): Sign-extend properly.
15402 (scc insns): Sign-extend properly.
15404 * md.texi (RS/6000 EXTRA_CONSTRAINTS): Update documentation for J,
15407 1999-08-02 Richard Henderson <rth@cygnus.com>
15409 * alpha.c (override_options): Move ev6 alpha_tp frobbing out of
15410 -mcpu parsing code.
15411 (print_operand): Notice alpha_fptm not alpha_tp for sw completion.
15412 * alpha.md (all fp insns): Likewise.
15414 1999-08-02 Nick Clifton <nickc@cygnus.com>
15416 * config/v850/v850.h (STRICT_ALIGNMENT): Only define if not
15419 Mon Aug 2 03:38:33 1999 Jeffrey A Law (law@cygnus.com)
15421 * pa.c (legitimize_pic_address): Clarify comments. Do not call the
15422 pic_load_label generator directly.
15423 * pa.md (pic_load_label): Clarify comments. Remove modes on operands.
15424 No longer a named pattern.
15426 Mon Aug 2 09:38:10 1999 Nick Clifton <nickc@cygnus.com>
15428 * explow.c (force_reg): Call force_operand if X does not
15429 satisfy general_operand.
15431 Mon Aug 2 01:34:22 1999 Jeffrey A Law (law@cygnus.com)
15433 * fix-header.c (main): When testing for CONTINUED, use string
15434 equality, not pointer equality.
15436 Mon Aug 2 01:27:24 1999 Dan Nicolaescu <dann@ics.uci.edu>
15438 * sparc.c (sparc_block_profiler): Use the %g2 register, not %o0.
15440 Sun Aug 1 22:46:42 1999 Jeffrey A Law (law@cygnus.com)
15442 * cse.c (cse_insn): Fix loop which deletes insns after a jump
15443 that has become an unconditional jump.
15445 * m68k.c (output_function_prologue): Fix typo in CPU32 case.
15446 (output_function_epilogue): Similarly.
15448 Sun Aug 1 20:14:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15450 * tree.h (init_dummy_function_start): Declare.
15452 Sun Aug 1 12:55:31 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15454 * stmt.c (emit_filename, emit_lineno, expr_stmts_for_value,
15455 last_expr_type, last_expr_value, block_start_count, block_stack,
15456 stack_block_stack, cond_stack, loop_stack, case_stack, nesting_stack,
15457 nesting_depth, goto_fixup_chain): Delete global vars; now allocated
15458 dynamically in stmt elt of struct function for each function.
15459 (struct nesting): Rename function_call_count elt to n_function_calls,
15460 target_temp_slot_level to block_target_temp_slot_level. All users
15462 (struct stmt_status): New structure definition.
15463 Add many accessor macros for stmt_status elements which previously
15464 were global variables.
15465 (init_stmt_for_function): Allocate stmt elt for current_function.
15466 Reflect that block_start_count was renamed to
15467 current_block_start_count.
15468 (save_stmt_status, restore_stmt_status): Delete functions.
15469 (preserve_subexpressions_p): Don't access loop_stack when outside
15471 (expand_start_bindings): Reflect that block_start_count was renamed to
15472 current_block_start_count.
15473 (expand_fixup): Likewise.
15474 (expand_decl): Don't access block_stack when outside a function.
15475 (expand_decl_cleanup): Likewise.
15476 (expand_dcc_cleanup): Likewise.
15477 (expand_dhc_cleanup): Likewise.
15478 (expand_anon_union_decl): Likewise.
15479 (set_file_and_line_for_stmt): New function.
15480 (in_control_zone_p): New function.
15482 * function.h (struct function): Add new elt stmt.
15483 Delete elts block_stack, stack_block_stack, cond_stack, loop_stack,
15484 case_stack, nesting_stack, nesting_depth, block_start_count,
15485 last_expr_type, last_expr_value, expr_stmts_for_value, emit_filename,
15486 emit_lineno, goto_fixup_chain.
15487 (save_eh_status, restore_eh_status, save_stmt_status,
15488 restore_stmt_status): Delete declarations.
15489 * function.c (push_function_context_to): Don't call save_stmt_status.
15490 (pop_function_context_to): Don't call restore_stmt_status.
15491 * tree.h (in_control_zone_p): Declare.
15492 * rtl.h (set_file_and_line_for_stmt): Declare.
15494 * emit-rtl.c (emit_line_note): Don't set emit_filename/emit_lineno;
15495 call set_file_and_line_for_stmt.
15497 Thu Jul 31 12:34:45 1999 Joe Buck <jbuck@synopsys.com>
15499 * gcc.texi: Use terms "GNU Compiler Collection" and "GCC".
15500 Also update copyright.
15502 Sat Jul 31 11:10:07 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15504 * c-pragma.c: Don't include "except.h".
15505 * emit-rtl.c: Likewise.
15506 * stor-layout.c: Likewise.
15507 * tree.c: Likewise.
15508 * varasm.c: Likewise.
15510 * flow.c: Include "function.h".
15511 * tree.h (init_dummy_function_start): Declare new function.
15513 * except.h (struct eh_status): New structure.
15514 (struct label_node, struct eh_entry): Declare even if tree.h hasn't
15516 (eh_return_stub_label, ehstack, catchstack, ehqueue,
15517 catch_clauses, false_label_stack, caught_return_label_stack,
15518 protect_list, current_function_ehc): Add accessor macros for the
15519 corresponding fields in current_function->eh; delete declarations
15520 for all items that used to be declared here.
15521 * except.c (eh_return_stub_label, ehstack, catchstack, ehqueue,
15522 catch_clauses, false_label_stack, caught_return_label_stack,
15523 protect_list, current_function_ehc): Delete variables.
15524 (init_eh_for_function): Allocate current_function->eh.
15525 (save_eh_status, restore_eh_status): Delete functions.
15527 * function.h (struct function): Add fields next_global and eh.
15528 Delete all exception handling related fields.
15529 * function.c (current_function): New variable.
15530 (all_functions): New variable.
15531 (push_function_context_to): Don't allocate a struct function,
15532 use current_function instead. Call init_dummy_function_start when
15533 outside a function. Clear current_function before returning.
15534 (pop_function_context_from): Restore current_function.
15535 Don't free the restored struct function.
15536 (prepare_function_start): New function.
15537 (init_dummy_function_start): New function.
15538 (init_function_start): Break out some code into prepare_function_start
15541 * stmt.c (save_stmt_status): Don't call save_eh_status.
15542 (restore_stmt_status): Don't call restore_eh_status.
15544 * Makefile.in: Update dependencies.
15546 Sat Jul 31 04:10:01 1999 Jeffrey A Law (law@cygnus.com)
15548 * pa.c (compute_frame_size): Use STARTINg_FRAME_OFFSET instead
15549 of depending on a magic constant value. Update comments.
15550 (hppa_expand_prologue): Similarly.
15552 * pa.md (reload_indi, reload_outdi): Allow any register for the
15553 original reload register.
15555 Fri Jul 30 19:41:35 1999 Jim Wilson <wilson@cygnus.com>
15557 * cccp.c (print_help): Change marcos to macros.
15559 1999-07-30 Richard Henderson <rth@cygnus.com>
15561 * c-typeck.c (initializer_constant_valid_p): Move ...
15562 * c-common.c (initializer_constant_valid_p): ... here. Use
15563 FOO_TYPE_P instead of tests against TREE_CODE. Allow subtraction
15564 of label addresses.
15565 * c-common.h (initializer_constant_valid_p): Declare.
15566 * c-tree.h (initializer_constant_valid_p): Remove.
15568 Fri Jul 30 16:33:42 1999 Mathias Froehlich <frohlich@na.uni-tuebingen.de>
15570 * config/i386/sol2-c1.asm: Align the stack.
15571 * config/i386/sol2-gc1.asm: Likewise.
15573 1999-07-30 Vladimir Makarov <vmakarov@loony.cygnus.com>
15575 * config/sparc/sparc.h (ASM_CPU32_DEFAULT_SPEC): Change -Av8 onto
15576 -Asparclite for sparc86x.
15577 (CPP_CPU32_DEFAULT_SPEC, CPP_CPU_SPEC): Remove -D__sparc_v8__ for
15579 (ASM_CPU_SPEC): Use -Asparclite for sparc86x.
15581 Fri Jul 30 14:53:56 1999 Jakub Jelinek <jj@ultra.linux.cz>
15583 * config/sparc/linux64.h (CC1_SPEC): Preserve CPU specified by
15584 the user if using the non-default arch size in BI_ARCH configuration.
15585 * config/sparc/sol2-sld-64.h (CC1_SPEC): Ditto.
15587 * config/sparc/sparc.md (cmp_mul_set, cmp_udiv_cc_set):
15588 Fix patterns so that they actually match.
15589 (cmp_sdiv_cc_set): Ditto, also don't require g0 to be zero.
15590 (mulsidi3_sp64, const_mulsidi3_sp64): New patterns.
15591 (const_mulsidi3_sp32): Renamed from const_mulsidi3, only on
15593 (mulsidi3): Reflect this in the expand.
15594 (smulsi3_highpart): Only on TARGET_ARCH32.
15595 (umulsidi3_sp64, const_umulsidi3_sp64): New patterns.
15596 (const_umulsidi3_sp32): Renamed from const_umulsidi3.
15597 (umulsidi3): Reflect this in the expand.
15598 (umulsi3_highpart): Only on TARGET_ARCH32.
15599 (divsi3_sp32): Renamed from divsi3, only on TARGET_ARCH32,
15600 don't require g0 to be zero.
15601 (udivsi3_sp32): Renamed from udivsi3, only on TARGET_ARCH32.
15602 ({,u}divsi3): New expands.
15603 ({,u}divsi3_sp64): New patterns.
15604 (after lshrdi3_v8plus): Four new patterns to help combiner
15605 optimizing nested mixed mode shifts.
15607 * config/sparc/sparc.c (sparc_override_options): Use deprecated
15608 v8 instructions if optimizing for UltraSPARC I, II, IIi, as it
15609 speed things up. Don't use them by default on plain v9 in 64bit
15610 mode, according to what SPAMv9 sais.
15612 * config/sparc/sparc.h: Fix comments, e.g. Linux already preserves
15613 top 32 bits of %[og][0-7] in signal handlers.
15614 Also, TARGET_HARD_MUL32 now is only true for TARGET_ARCH32.
15616 Fri Jul 30 03:00:41 1999 Jeffrey A Law (law@cygnus.com)
15618 * pa.md (zvdep_imm32): Renamed from zvdep_imm.
15619 (ashlsi3): Corresponding changes.
15621 * pa.c (compute_zdepwi_operands): Renamed from compute_zdepi_operands.
15623 Thu Jul 29 18:37:13 1999 Jeffrey A Law (law@cygnus.com)
15625 * pa.h (FIRST_PARM_CALLER_OFFSET): Delete.
15627 Thu Jul 29 19:01:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15629 * arm.h (Hint): Delete macro.
15630 Substitute HOST_WIDE_INT for Hint in some prototypes.
15631 * arm.c: Substitute HOST_WIDE_INT for Hint in one prototype.
15633 Thu Jul 29 09:21:42 1999 Nick Clifton <nickc@cygnus.com>
15635 * builtins.c (expand_builtin_setjmp): Use force_operand to
15636 make sure that the buffer address is in a suitable form to be
15637 passed to force_reg.
15639 Wed Jul 28 12:50:48 1999 Geoff Keating <geoffk@cygnus.com>
15641 * config/mips/mips.c: system.h handles MIN and MAX, don't undefine
15644 Wed Jul 28 13:18:35 1999 Jeffrey A Law (law@cygnus.com)
15646 * pa.md (indirect_jump): Remove mode from match_operand. Verify
15647 proper mode in the condition string.
15648 (icacheflush, dcacheflush): Remove modes from match_operands.
15650 * pa.c (emit_move_sequence): Always convert scratch_reg to the
15651 proper mode before using it.
15653 * pa.md (adddi3, subdi3): Turn into a define_expand/define_insn
15656 * pa.c (store_reg): Do not call add_high_const generator directly.
15657 (load_reg, set_reg_plus_d): Likewise.
15658 * pa.md (add_high_const): No longer a named pattern.
15660 * pa.c (legitimize_address): Consistently use Pmode rather than
15661 SImode. Do not call gen_pic2_highpart directly anymore.
15662 * pa.md (pic2_highpart): No longer a named pattern.
15663 (pic2_lo_sum): Similarly. Reformat to make more readable.
15665 * pa.md (call, call_value): Use "word_mode" instead of "SImode" as
15670 Wed Jul 28 11:28:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
15672 * builtins.c (expand_builtin): Typo in call to expand_builtin_ffs.
15674 Wed Jul 28 11:23:48 1999 Richard Henderson <rth@cygnus.com>
15676 * pa.c (hppa_builtin_saveregs): Use get_varargs_alias_set
15677 and tag the spill mems.
15678 (hppa_va_start): New.
15679 (hppa_va_arg): New.
15680 * pa.h (EXPAND_BUILTIN_VA_START): New.
15681 (EXPAND_BUILTIN_VA_ARG): New.
15683 Wed Jul 28 11:22:21 1999 Richard Henderson <rth@cygnus.com>
15685 * mn10300.c (mn10300_builtin_saveregs): Use get_varargs_alias_set
15686 and tag the spill mems.
15687 (mn10300_va_start): New.
15688 (mn10300_va_arg): New.
15689 * mn10300.h (EXPAND_BUILTIN_VA_START): New.
15690 (EXPAND_BUILTIN_VA_ARG): New.
15692 Wed Jul 28 11:20:19 1999 Richard Henderson <rth@cygnus.com>
15694 * mn10200.c (mn10200_va_arg): New.
15695 * mn10200.h (EXPAND_BUILTIN_VA_ARG): New.
15697 Wed Jul 28 11:19:06 1999 Richard Henderson <rth@cygnus.com>
15699 * builtins.c (std_expand_builtin_va_arg): Use int_size_in_bytes
15700 rather than play with TREE_INT_CST_LOW.
15702 1999-07-27 Philip Blundell <pb@nexus.co.uk>
15704 * config/arm/telf.h: Include dbxelf.h.
15705 (CPP_PREDEFINES): Only define if not already defined.
15706 (ASM_IDENTIFY_GCC): Likewise.
15707 (SUBTARGET_EXTRA_SECTIONS): Likewise.
15708 (SUBTARGET_EXTRA_SECTION_FUNCTIONS): Likewise.
15709 * config/arm/thumb.h (LINK_SPEC): Only define if not already
15711 (DBX_DEBUGGING_INFO): Don't define.
15712 * config/arm/linux-telf.h: New file.
15713 * config/arm/linux-tgas.h: New file.
15714 * config/arm/t-thumb-linux: New file.
15715 * config/arm/uclinux-elf.h: New file.
15716 * config/arm/uclinux-telf.h: New file.
15717 * configure.in (arm-*-uclinux, thumb-*-linux-gnu,
15718 thumb-*-uclinux): New targets.
15719 * configure: Regenerate.
15721 Tue Jul 27 23:20:21 1999 Jeffrey A Law (law@cygnus.com)
15723 * pa.md (post_store, pre_load): New expanders.
15724 (post_stwm, pre_ldwm): Renamed to post_stw and pre_ldw respectively.
15725 (post_ldwm, pre_stwm): Make these unnamed patterns since we never
15726 need to directly generate RTL for them.
15727 * pa.c (hppa_expand_prologue, hppa_expand_epilogue): Corresponding
15730 Tue Jul 27 16:05:52 1999 David Edelsohn <edelsohn@gnu.org>
15732 * aix43.h (ASM_CPU_SPEC, CPP_CPU_SPEC): Add rs64a and PPC630.
15733 * rs6000.c (processor_target_table): Add powerpc64, rs64a, and PPC630.
15734 (rs6000_cpu): Choose between 32-bit and 64-bit default processors.
15735 (secndary_reload_class): Make TARGET_ELF conditional compile.
15736 (print_operand_address): Similar.
15737 (output_toc): Print all values as hex.
15738 (get_issue_rate): Rearrange and add RS64A and PPC630.
15739 * rs6000.h (processor_type): Add RS64A and PPC630.
15740 (PROCESSOR_POWERPC64): New.
15741 (PROMOTE_MODE): Use word_mode.
15742 (RTX_COSTS): Add RS64A and PPC630.
15743 * rs6000.md (scheduling information): Add lmul and ldiv
15744 representing 64-bit integer multiply and divide. Add rs64a and
15745 PPC630 information.
15746 (ashldi3): Add support for "rldic" instruction.
15747 * sysv4.h (PROCESSOR_DEFAULT): Change to PROCESSOR_750.
15749 Tue Jul 27 15:31:53 1999 Vladimir Makarov <vmakarov@toad.to.cygnus.com>
15751 * config/sparc/sparc.c (sparc_override_options): Enable SPARCLITE
15752 instead of V8 for sparclite86x in cpu_table.
15754 Tue Jul 27 17:49:42 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15756 * config/arm/coff.h (ASM_FILE_START): If generating SDB output, call
15757 output_file_directive.
15759 Tue Jul 27 03:15:33 1999 Jason Merrill <jason@yorick.cygnus.com>
15761 * expr.c (expand_expr, case PLUS_EXPR): Get the mode from the
15762 tree for op1, not the rtl.
15764 Tue Jul 27 00:18:34 1999 Richard Henderson <rth@cygnus.com>
15766 * m88k.c (m88k_builtin_saveregs): Break out the constructor code
15767 to m88k_va_start, leaving only the register spill.
15768 (m88k_build_va_list): New.
15769 (m88k_va_start): New.
15770 (m88k_va_arg): New.
15771 * m88k.h (BUILD_VA_LIST_TYPE): New.
15772 (EXPAND_BUILTIN_VA_START): New.
15773 (EXPAND_BUILTIN_VA_ARG): New.
15775 Mon Jul 26 19:07:11 1999 Geoff Keating <geoffk@cygnus.com>
15777 * config/rs6000/rs6000.c (rs6000_expand_builtin_saveregs):
15778 Rename from expand_builtin_saveregs.
15779 * config/rs6000/rs6000.h (EXPAND_BUILTIN_SAVEREGS): Change caller.
15781 Mon Jul 26 22:52:47 1999 Richard Henderson <rth@cygnus.com>
15783 * i960.c (i960_setup_incoming_varargs): Use get_varargs_alias_set
15784 for the register spill block.
15785 (i960_build_va_list): New.
15786 (i960_va_start): New.
15787 (i960_va_arg): New.
15788 * i960.h (BUILD_VA_LIST_TYPE): New.
15789 (EXPAND_BUILTIN_VA_START): New.
15790 (EXPAND_BUILTIN_VA_ARG): New.
15791 * i960.md (store_multiple): Use change_address on individul mems.
15793 Mon Jul 26 22:43:12 1999 Richard Henderson <rth@cygnus.com>
15795 * builtins.c (stabilize_va_list): Don't INDIRECT_REF through
15797 (std_expand_builtin_va_start): Back out one word if !stdarg_p.
15798 (expand_builtin_va_end): Evaluate arg for side effects.
15799 * c-common.c (c_common_nodes_and_builtins): Construct a
15800 va_list_arg_type_node to handle array decomposition to pointer.
15802 Mon Jul 26 18:51:34 1999 Richard Henderson <rth@cygnus.com>
15804 * except.c (start_dynamic_cleanup): Use force_operand on the
15807 Mon Jul 26 16:43:26 1999 Richard Henderson <rth@cygnus.com>
15809 * c4x.h (EXPAND_BUILTIN_VA_ARG): New.
15810 * c4x.c (c4x_va_arg): New.
15812 Mon Jul 26 12:30:09 1999 Jason Merrill <jason@yorick.cygnus.com>
15814 * cpplib.c (cpp_get_token): Don't return a CPP_POP if the buffer
15815 has manual_pop set.
15817 1999-07-26 Nathan Sidwell <nathan@acm.org>
15819 * eh-common.h (__eh_matcher): Prototype correctly.
15821 Mon Jul 26 17:24:51 1999 Philip Blundell <pb@nexus.co.uk>
15823 * config/arm/thumb.h (THUMB_FLAG_SINGLE_PIC_BASE): Define.
15824 (TARGET_SINGLE_PIC_BASE): Likewise.
15825 (GOT_PCREL, NEED_GOT_RELOC, NEED_PLT_RELOC): Provide default
15827 (TARGET_CALLEE_INTERWORKING): Fix typo in comment.
15828 (TARGET_SWITCHES): Add -m{no-}single-pic-base.
15829 (TARGET_OPTIONS): Add -mpic-register=N.
15830 (OUTPUT_INT_ADDR_CONST): New macro.
15831 (INDEX_REGISTER_RTX_P, PIC_OFFSET_TABLE_REGNUM, FINALIZE_PIC,
15832 LEGITIMATE_PIC_OPERAND_P): Likewise.
15833 (LEGITIMIZE_ADDRESS, GOT_IF_LEGITIMATE_ADDRESS): Support PIC.
15834 (ASM_OUTPUT_INT): Use OUTPUT_INT_ADDR_CONST rather than calling
15835 output_addr_const directly.
15836 (PRINT_OPERAND_PUNCT_VALID_P): Accept `|' for compatibility with
15838 (thumb_pic_register, thumb_pic_register_string): Declare.
15840 * config/arm/thumb.c (symbol_mentioned_p): New function: Imported
15842 (label_mentioned_p): New function: Imported from arm.c.
15843 (legitimize_pic_address): New function: Imported from arm.c.
15844 (is_pic):New function: Imported from arm.c.
15845 (thumb_finalize_pic):New function: Imported from arm.c.
15846 (add_constant): Cope with PIC constants.
15847 (fixit): Cope with PIC constants.
15848 (output_return): Do not treat the PIC register as live if
15849 TARGET_SINGLE_PIC_BASE is true.
15850 (thumb_function_prologue): Do not treat the PIC register as live if
15851 TARGET_SINGLE_PIC_BASE is true.
15852 (thumb_expand_prologue): Do not treat the PIC register as live if
15853 TARGET_SINGLE_PIC_BASE is true.
15854 (thumb_unexpand_epilogue): Do not treat the PIC register as live if
15855 TARGET_SINGLE_PIC_BASE is true.
15856 (thumb_print_operand): Accept '|'.
15857 (thumb_override_options): Process PIC options.
15859 * config/arm/thumb.md (movsi): Support PIC.
15860 (call_insn): Change "i" constraint to "X".
15861 (call_value_insn): Likewise.
15862 (consttable_4, consttable_8, consttable_end): Set and clear
15863 "making_const_table" as appropriate.
15864 (pic_load_addr, pic_add_dot_plus_four): New insns.
15866 * invoke.texi (Thumb Options): Fix spelling. Document new
15867 options -msingle-pic-base and -mpic-register=.
15869 1999-07-26 Andrew Haley <aph@cygnus.com>
15871 * config/m32r/initfini.c (__init): Use a full word immediate for
15872 __fini: this allows it to be placed in any memory region.
15874 * config/m32r/t-m32r: Compile crtinit.o and crtfini.o for
15875 -mmodel=medium. This is OK for all memory models.
15877 Mon Jul 26 11:58:46 1999 Nick Clifton <nickc@cygnus.com>
15879 * config/arm/arm.c: Replace %R%s in asm_fprintf strings with %r.
15880 * config/arm/arm.h: Replace %R%s in asm_fprintf strings with %r.
15882 Mon Jul 26 10:23:36 1999 Nick Clifton <nickc@cygnus.com>
15884 * final.c (asm_fprintf): Accept ASM_FPRINTF_EXTENSIONS, if
15887 * tm.texi: Document ASM_FPRINTF_EXTENSIONS.
15889 Sun Jul 25 23:51:59 1999 Richard Henderson <rth@cygnus.com>
15891 * i860.h (EXPAND_BUILTIN_SAVEREGS): New.
15892 (BUILD_VA_LIST_TYPE): New.
15893 (EXPAND_BUILTIN_VA_START): New.
15894 (EXPAND_BUILTIN_VA_ARG): New.
15895 * i860.c (output_delayed_branch): Disable.
15896 (output_delay_insn): Likewise.
15897 (i860_saveregs): New.
15898 (i860_build_va_list): New.
15899 (i860_va_start): New.
15900 (i860_va_arg): New.
15901 * i860.md: Disable all peepholes using output_delayed_branch.
15902 * i860/sysv4.h (I860_SVR4_VA_LIST): New.
15904 Sun Jul 25 23:44:13 1999 Richard Henderson <rth@cygnus.com>
15906 * clipper.h (EXPAND_BUILTIN_SAVEREGS): Remove argument.
15907 (BUILD_VA_LIST_TYPE): New.
15908 (EXPAND_BUILTIN_VA_START): New.
15909 (EXPAND_BUILTIN_VA_ARG): New.
15910 * clipper.c (clipper_builtin_saveregs): Only dump registers.
15911 Return the address of the save area.
15912 (clipper_build_va_list): New.
15913 (clipper_va_start): New.
15914 (clipper_va_arg): New.
15916 Sun Jul 25 22:56:47 1999 Richard Henderson <rth@cygnus.com>
15918 * arc.h (EXPAND_BUILTIN_VA_START): New.
15919 (EXPAND_BUILTIN_VA_ARG): New.
15920 * arc.c (arc_setup_incoming_varargs): Set alias set of
15922 (arc_va_start): New.
15925 Sun Jul 25 22:45:55 1999 Richard Henderson <rth@cygnus.com>
15927 * alpha.h (EXPAND_BUILTIN_SAVEREGS): Delete.
15928 (BUILD_VA_LIST_TYPE): New.
15929 (EXPAND_BUILTIN_VA_START): New.
15930 (EXPAND_BUILTIN_VA_ARG): New.
15931 * alpha.c (alpha_builtin_saveregs): Delete.
15932 (alpha_build_va_list): New.
15933 (alpha_va_start): New.
15934 (alpha_va_arg): New.
15936 Sun Jul 25 21:40:33 1999 Jeffrey A Law (law@cygnus.com)
15938 * config/svr4.h (CTORS_SECTION_ASM_OP): Do not emit directives in
15940 (DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP): Likewise.
15941 (FINI_SECTION_ASM_OP, ASM_OUTPUT_SECTION_NAME): Likewise.
15943 * gcc.texi: More changes related to list conversion.
15944 * invoke.texi: Likewise.
15946 Sun Jul 25 18:15:39 1999 Richard Henderson <rth@cygnus.com>
15948 * builtins.c (expand_builtin_saveregs): Remove static, remove exp
15949 and ignore arguments, bail if no EXPAND_BUILTIN_SAVEREGS.
15950 (expand_builtin_next_arg): Accept ARGLIST not EXP.
15951 (stabilize_va_list): New function.
15952 (std_expand_builtin_va_start): New function.
15953 (expand_builtin_va_start): New function.
15954 (get_varargs_alias_set): New function.
15955 (std_expand_builtin_va_arg): New function.
15956 (expand_builtin_va_arg): New function.
15957 (expand_builtin_va_end): New function.
15958 (expand_builtin_va_copy): New function.
15959 (expand_builtin): Call them.
15960 * c-common.c (c_common_nodes_and_builtins): Build __builtin_va_list,
15961 __builtin_{varargs_start,stdarg_start,end,copy}.
15962 (build_va_arg): New function.
15963 * c-common.h (CTI_PTR_TYPE, ptr_type_node): Delete.
15964 (build_va_arg): Declare.
15965 * c-decl.c (ptr_type_node, va_list_type_node): New.
15966 * c-parse.gperf (__builtin_va_arg): New.
15967 * c-parse.in (VA_ARG): New token.
15968 (unary_expr): Recognize it.
15969 * expr.c (expand_expr): Expand VA_ARG_EXPR.
15970 * expr.h (std_expand_builtin_va_start): Declare.
15971 (std_expand_builtin_va_arg): Declare.
15972 (expand_builtin_va_arg): Declare.
15973 (get_varargs_alias_set): Declare.
15974 * tree.def (VA_ARG_EXPR): New.
15975 * tree.h (BUILT_IN_VARARGS_START): New.
15976 (BUILT_IN_STDARG_START, BUILT_IN_VA_END): New.
15977 (ptr_type_node, va_list_type_node): Declare.
15978 * tm.texi (EXPAND_BUILTIN_SAVEREGS): Kill unused ARGLIST argument.
15979 * m32r.h (EXPAND_BUILTIN_SAVEREGS): Likewise.
15980 * m88k.h, m88k.c: Likewise.
15981 * mn10300.h, mn10300.c: Likewise.
15982 * pa.h, pa.c: Likewise.
15983 * rs6000.h, rs6000.c: Likewise.
15984 * sh.h, sh.c: Likewise.
15985 * sparc.h, sparc.c: Likewise.
15987 * emit-rtl.c (operand_subword): Copy alias set.
15988 (change_address): Likewise.
15990 Sun Jul 25 15:04:37 1999 Jeffrey A Law (law@cygnus.com)
15992 * pa.c (compute_frame_size): Scan all the used callee saved registers,
15993 not just the first one.
15995 Fri Jul 23 14:09:58 1999 Philip Blundell <pb@nexus.co.uk>
15997 * config/arm/arm.h (TARGET_SWITCHES): Add
15998 -m{no-}single-pic-base. Correct help string for -mshort-load-words.
15999 (TARGET_OPTIONS): Add -mpic-register=.
16000 (ARM_FLAG_SINGLE_PIC_BASE, TARGET_SINGLE_PIC_BASE): Define.
16001 (arm_pic_register_string): Declare.
16002 (NEED_PLT_GOT): Delete, replace with ...
16003 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. New macros.
16004 (OUTPUT_INT_ADDR_CONST): Replace NEED_PLT_GOT with NEED_GOT_RELOC.
16005 (ASM_OUTPUT_MI_THUNK): Replace NEED_PLT_GOT with NEED_PLT_RELOC.
16006 * config/arm/arm.c (arm_override_options): Add new option
16008 (arm_pic_register_string): New variable.
16009 (arm_finalize_pic): Respect TARGET_SINGLE_PIC_BASE.
16010 (output_func_prologue): If TARGET_SINGLE_PIC_BASE, treat the PIC
16011 register as never live. Use NEED_PLT_RELOC not NEED_PLT_GOT.
16012 (output_return_instruction): Likewise.
16013 * config/arm/elf.h (NEED_PLT_GOT): Delete, replace with ...
16014 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. Define to flag_pic.
16015 * config/arm/arm.md: Use NEED_PLT_RELOC in place of NEED_PLT_GOT.
16017 * invoke.texi (ARM Options): Fix spelling. Remove duplicate
16018 mention of -msched-prolog. Document new options -msingle-pic-base
16019 and -mpic-register=.
16021 Thu Jul 22 18:23:56 1999 Richard Henderson <rth@cygnus.com>
16023 * haifa-sched.c (reemit_notes): Tidy.
16024 * sched.c (reemit_notes): Duplicate 1998-08-31 patch to
16027 Thu Jul 22 18:21:04 1999 Richard Henderson <rth@cygnus.com>
16029 * explow.c (trunc_int_for_mode): New function.
16030 (plus_constant_wide): Use it.
16031 * combine.c (simplify_and_const_int): Likewise.
16032 (merge_outer_ops): Likewise.
16033 (simplify_shift_const): Likewise.
16034 * cse.c (simplify_unary_operation): Likewise.
16035 (simplify_binary_operation): Likewise.
16036 * emit-rtl.c (operand_subword): Likewise.
16037 * rtl.h: Declare it.
16039 Thu Jul 22 14:34:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16041 * config/arm/arm.c (arm_print_operand): Fix typo in 'M' case
16042 (use NUM_REGS instead of NUM_INTS).
16044 Thu Jul 22 11:25:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16046 * builtins.c: New file.
16047 * expr.c (saveregs_value, apply_args_value): Delete definition,
16048 moved into builtins.c.
16049 (string_constant): No longer static.
16050 (get_pointer_alignment, c_strlen, get_memory_rtx, expand_builtin,
16051 apply_args_size, apply_result_size, result_vector,
16052 expand_builtin_apply_args, expand_builtin_apply,
16053 expand_builtin_return): Delete functions, moved into builtins.c.
16054 (INCOMING_REGNO, OUTGOING_REGNO): Delete unused macros.
16055 * expr.h (saveregs_value, apply_args_value): Declare variables.
16056 (expand_builtin, string_constant): Declare functions.
16057 * Makefile.in: Update to build builtin.o.
16059 Wed Jul 21 00:46:58 1999 Mark P. Mitchell <mark@codesourcery.com>
16061 * defaults.h (DWARF2_GENERATE_TEXT_SECTION_LABEL): New macro.
16062 * tm.texi (DWARF2_GENERATE_TEXT_SECTION_LABEL): Define it.
16063 * dwarf2out.c (dwarf2out_init): Don't output a label to mark the
16064 start of the text section if DWARF2_GENERATE_TEXT_SECTION_LABEL is
16066 * config/mips/iris6.h (DWARF2_GENERATE_TEXT_SECTION_LABEL):
16069 1999-07-21 Michael Meissner <meissner@cygnus.com>
16071 * print-rtl.c (print_rtx): Print the names of the virtual
16074 Wed Jul 21 16:00:32 1999 Nick Clifton <nickc@cygnus.com>
16076 * config/arm/arm.h (INITIAL_ELIMINATION_OFFSET): Fix typo
16077 introduced in previous delta.
16079 Wed Jul 21 14:30:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16081 * c-lang.c (finish_file): Rename void_list_node to void_list_node_1
16082 to avoid name clash.
16084 Wed Jul 21 08:39:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
16086 * c-lex.c (yylex) : Correct the test for overflow when lexing
16089 Tue Jul 20 18:02:42 1999 Richard Henderson <rth@cygnus.com>
16091 * haifa-sched.c (insn_cost): FREE implies cost 0 and vice versa.
16092 (adjust_priority): Always call ADJUST_PRIORITY.
16093 (schedule_insn): Only put insns into the ready at cost 0.
16094 (schedule_block): Remove redundant initial sort. Give clock_var
16095 and can_issue_more to MD_SCHED_REORDER. Requeue if hazard cost
16097 * tm.texi (MD_SCHED_REORDER): Update docs.
16099 * sparc.h (MD_SCHED_REORDER): Update. Set CAN_ISSUE_MORE.
16100 * sparc.c (ultra_reorder_called_this_block): Delete.
16101 (ultrasparc_sched_init): Don't set it.
16102 (ultrasparc_sched_reorder): Don't check it.
16104 Tue Jul 20 17:07:54 1999 Richard Henderson <rth@cygnus.com>
16106 * rs6000.h (struct rs6000_args): Add sysv_gregno.
16107 * rs6000.c (init_cumulative_args): Init sysv_gregno.
16108 (function_arg_boundary): Align DFmode.
16109 (function_arg_advance): Restructure for ABI_V4; use sysv_gregno
16110 to get fp reg and stack overflow correct.
16111 (function_arg): Likewise.
16112 (function_arg_pass_by_reference): True for TFmode for ABI_V4.
16113 (setup_incoming_varargs): Restructure for ABI_V4; use
16114 function_arg_advance to skip final named argument.
16115 (expand_builtin_saveregs): Properly unskip the last integer arg
16116 when doing varargs. Adjust overflow location calculation.
16118 * ginclude/va-ppc.h (struct __va_list_tag): Make gpr and fpr
16119 explicitly unsigned.
16120 (__VA_FP_REGSAVE): Use new OFS argument instead of AP->fpr directly.
16121 (__VA_GP_REGSAVE): Similarly.
16122 (__va_longlong_p): Delete.
16123 (__va_arg_type_violation): New declaration.
16124 (va_arg): Restructure. Flag promotion errors. Align double.
16125 TFmode passed by reference.
16127 * rs6000.md (movdi_32+1): Use GEN_INT after arithmetic
16128 in the HOST_BITS_PER_WIDE_INT > 32 case.
16130 Tue Jul 20 12:37:30 1999 Hans-Peter Nilsson <hp@bitrange.com>
16132 * dwarf2out.c (output_abbrev_section): Terminate with a zero.
16134 Tue Jul 20 12:12:27 1999 Jason Merrill <jason@yorick.cygnus.com>
16136 * gcc.c (default_compilers, cpp-output): Pass -fpreprocessed.
16137 * toplev.c (documented_lang_options): Add -fpreprocessed.
16138 * cpplib.h (struct cpp_buffer): Add preprocessed.
16139 * cppinit.c (cpp_handle_option): Handle -fpreprocessed.
16140 (cpp_start_read): Don't expand macros or emit an initial #line
16141 directive if -fpreprocessed.
16143 Tue Jul 20 12:12:09 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
16145 * cpplib.h (struct cpp_buffer): Added manual_pop for
16146 better C++ tokenization.
16147 * cpplib.c (cpp_get_token): Return CPP_EOF if manual_pop.
16148 Also, support C++ tokenization for ->*, .*, <?, and >? operators.
16149 * c-common.c (cpp_token): Make non-static.
16151 Tue Jul 20 11:24:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16153 * c-common.h: New file.
16154 * c-common.c (permanent_obstack): Delete unused declaration.
16155 (c_global_trees): New array.
16156 (c_common_nodes_and_builtins): New function; split off common code
16157 from init_decl_processing in both c-decl.c and cp/decl.c.
16158 * c-tree.h: Delete lots of declarations of tree nodes; replaced by
16159 c_global_trees and accessor macros defined in c-common.h.
16160 Include c-common.h.
16161 * c-decl.c: Delete definitions for tree nodes that were replaced by
16163 (init_decl_processing): Build void_list_node.
16164 Call c_common_nodes_and_builtins; delete code to generate the common
16166 * objc/objc-act.c (build_module_descriptor): Rename variable
16167 void_list_node to avoid clash with c-common.h.
16169 * Makefile.in: Update dependencies.
16170 * objc/Make-lang.in: Likewise.
16172 Mon Jul 19 14:22:18 1999 Mark P. Mitchell <mark@codesourcery.com>
16174 * config/mips/iris6gld.h (MAKE_DECL_ONE_ONLY): Define.
16175 (UNIQUE_SECTION_P): Likewise.
16176 (UNIQUE_SECTION): Likewise.
16178 1999-07-19 Linas Vepstas <linas@linas.org>
16180 * config/i370/README: New file.
16181 * config/i370/linux.h: New file.
16182 * config/i370/mvs.h: New file.
16183 * config/i370/oe.h: New file.
16184 * config/i370/t-linux: New file.
16185 * config/i370/t-mvs: New file.
16186 * config/i370/t-oe: New file.
16187 * config/i370/x-oe: New file.
16188 * config/i370/xm-linux.h: New file.
16189 * config/i370/xm-mvs.h: New file.
16190 * config/i370/xm-oe.h: New file.
16192 * i370.c (label_node_t): Add first_ref_page, label_addr,
16193 label_first_ref, label_last_ref members.
16194 (mvs_need_base_reload): Renamed from mvs_label_emitted.
16195 (MAX_MVS_LABEL_SIZE): Define.
16196 (MAX_LONG_LABEL_SIZE): Define.
16197 (alias_node_t, alias_anchor, alias_number): New.
16198 (mvs_function_table): Reorder for EBCDIC.
16199 (ascebc, ebcasc): Unconditionally define.
16200 (i370_branch_dest, i370_branch_length): New functions.
16201 (i370_short_branch, i370_label_scan): New functions.
16202 (mvs_get_label): Renamed from mvs_add_label. Search for
16203 an existing label before creating a new one.
16204 (mvs_add_label): New function.
16205 (mvs_get_label_page): New function.
16206 (mvs_free_label_list): Renamed from mvs_free_label. Iterate
16207 over the entire list.
16208 (mvs_check_page) [TARGET_HLASM]: Use BASR not BALR.
16209 (mvs_check_page) [TARGET_ELF_ABI]: New function.
16210 (mvs_add_alias, mvs_need_alias): New functions.
16211 (mvs_get_alias, mvs_check_alias): New functions.
16212 (handle_pragma): New function.
16213 (mvs_function_check): New function.
16214 (unsigned_jump_follows_p): Search harder.
16215 (i370_function_prolog) [TARGET_HLASM]: Handle LE370. Scan labels.
16216 (i370_function_prolog) [TARGET_ELF_ABI]: New function.
16217 * i370.h (TARGET_VERSION): Delete.
16218 (CPP_SPEC, CPP_PREDEFINES): Delete.
16219 (mvs_label_emitted): Delete.
16220 (TARGET_EBCDIC): Delete.
16221 (MAP_CHARACTER): Define only if TARGET_EBCDIC.
16222 (HANDLE_PRAGMA): Define.
16223 (HARD_REGNO_NREGS): Handle complex modes.
16224 (HARD_REGNO_MODE_OK): Likewise.
16225 (CLASS_MAX_NREGS): Likewise.
16226 (RET_REG): Likewise.
16227 (EXTRA_CONSTRAINT): Define.
16228 (RETURN_IN_MEMORY): True for DImode.
16229 (TRAMPOLINE_TEMPLATE): Use gen_rtx instead of GEN_INT.
16230 (FUNCTION_PROFILER): Delete.
16231 (COUNT_REGS): Fail if REG_P but not REG_OK_FOR_BASE_P.
16232 (NOTICE_UPDATE_CC): Correct handling of MULT, DIV, logicals and shifts.
16233 (TARGET_ESC, TARGET_BELL): Conditionally define for TARGET_EBCDIC.
16234 (TARGET_BS, TARGET_TAB, TARGET_NEWLINE): Likewise.
16235 (TARGET_VT, TARGET_FF, TARGET_CR): Likewise.
16236 (ASM_FILE_START): Add "RMODE ANY".
16237 (ASM_OUTPUT_EXTERNAL): Check for aliases.
16238 (ASM_GLOBALIZE_LABEL): Likewise.
16239 (ASM_OUTPUT_LABELREF): Likewise.
16240 (ASM_OUTPUT_COMMON): Likewise.
16241 (PRINT_OPERAND): Handle 'K', 'W', default.
16242 (PRINT_OPERAND_ADDRESS): New.
16243 (Lots of defines): Add support for TARGET_ELF_ABI.
16244 * i370.md (attr length): New. Define for all patterns.
16245 (*): Lots of tweeks to assembly output and constraints.
16247 Mon Jul 19 15:09:29 1999 David Edelsohn <edelsohn@gnu.org>
16249 * rs6000.md (arithmetic, logical, and shift Rc combiner patterns):
16250 Disable patterns performing SImode comparisons with SImode values
16251 if TARGET_POWERPC64 and instruction does not sign-extend or does
16252 not mask to narrower than SImode, i.e. where bit 31 and bit 63 may
16253 differ for signed quantities.
16254 (indirect_jump): Add expander to choose RTL based on TARGET_64BIT.
16255 (tablejump): Patterns contingent on TARGET_64BIT not TARGET_POWERPC64.
16256 (decrement_and_branch_on_count): Add 64-bit variant.
16258 Mon Jul 19 09:36:27 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16260 * final.c (output_asm_insn): When searching for the matching string
16261 for a given dialect, don't run past the end of the list of
16262 alternatives if there are fewer alternatives in the template than
16265 1999-07-17 Alexandre Oliva <oliva@dcc.unicamp.br>
16267 * gcc.texi: Update e-mail addresses and URLs to gcc.gnu.org.
16268 Removed paragraph about compression of files and size limitation,
16269 duplicated in the FAQ. Use gcc-patches for posting patches.
16270 * gcc.c (main): Updated URL with bug reporting instructions to
16271 gcc.gnu.org. Removed e-mail address.
16272 * system.h (abort): Likewise.
16274 1999-07-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16276 * Makefile.in (stmp-multilib-sub): Make the files extracted
16277 from $(LIBGCC1) writable.
16279 Sat Jul 17 14:25:46 1999 Nick Clifton <nickc@cygnus.com>
16281 * config/arm/aout.h: Reformat for improved readability.
16283 * config/arm/arm.h: Reformat for improved readability.
16284 Replace uses of fprintf with asm_fprintf where appropriate.
16285 (ARM_DECLARE_FUNCTION_NAME): New macro: Perform any generic ARM
16286 function declaration assembler actions.
16287 (NUM_INTS): New macro: Convert from bytes to words.
16288 (NUM_REGS): New macro: Compute number of registers required to
16289 hold a quanitity of tyep MODE.
16290 (NUM_REGS2): New macro: Like NUM_REGS but also copes with BLKmode
16292 (NUM_ARG_REGS): New macro: The number of argument registers
16294 (ARG_REGISTER): New macro: Compute the register number of the Nth
16296 (LAST_ARG_REGNUM): New macro: The number of the last argument
16298 (SP_REGNUM): New macro: Register number of the stack pointer.
16299 (FP_REGNUM): New macro: Register number of the frame pointer.
16300 (FUNCTION_ARG, FUNCTION_ARG_PARTIAL_NREGS, INIT_CUMULATIVE_AGS,
16301 FUNCTION_ARG_ADVANCE, SETUP_INCOMING_VARARGS): Change
16302 CUMULATIVE_ARGS so that it counts registers not bytes.
16304 * config/arm/arm.c: Rename TARGET_THUMB_INTERWORK to
16306 Replace uses of fprintf with asm_fprintf where appropriate.
16307 (output_ascii_pseudo_op): Replace with version from thumb.c
16309 * config/arm/coff.h (ASM_FILE_START): Emit ASM_APP_OFF.
16311 * config/arm/elf.h (CPP_PREDEFINES): Replace with
16312 SUBTARGET_CPP_SPEC.
16313 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
16314 (ASM_FILE_START): Emit ASM_APP_OFF.
16316 Fri Jul 16 13:48:09 1999 Jeffrey A Law (law@cygnus.com)
16318 * pa.c (compute_frame_size): Round frame according to
16319 STACK_BOUNDARY rather than a hardwired value.
16321 * pa.h (POINTER_SIZE, PARM_BOUNDARY): Define in terms of BITS_PER_WORD.
16323 * configure.in (hppa*-*-hpux11*): Use symbolic MASK_PA_11 instead
16325 * configure: Rebuilt.
16327 * configure.in (hppa*-*-linux*): New configuration.
16328 * configure: Rebuilt.
16329 * pa.h (MAX_OFILE_ALIGNMENT): Delete.
16330 * pa/som.h (MAX_OFILE_ALIGNMENT): Define.
16331 * pa/pa-linux.h: New file.
16332 * pa/t-linux: New file.
16333 * pa/xm-linux.h: New file.
16335 * pa.c (hppa_legitimize_address): Change references from SImode to
16336 either Pmode or word_mode as appropriate.
16337 (emit_move_sequence, store_reg, load_reg): Likewise.
16338 (set_reg_plus_d, hppa_expand_prologue): Likewise.
16339 (output_mul_insn): Likewise.
16340 * pa.h (PROMOTE_MODE): Likewise.
16341 (INITIALZE_TRAMPOLINE): Likewise.
16342 (Pmode): Define to word_mode.
16344 * pa.c (compute_frame_size): Use UNITS_PER_WORD instead of hardwired
16345 value of 4. Allocate 8 bytes for each FP register save.
16346 (hppa_expand_epilogue): Use UNITS_PER_WORD instead of harwarewired
16348 (hppa_expand_prologue): Likewise.
16349 * pa.h (PROMOTE_MODE): Likewise.
16350 (HARD_REGNO_MODE_OK, FUNCTION_ARG_SIZE): Likewise.
16351 (FUNCTION_ARG_BOUNDARY): Likewise.
16353 * invoke.texi (HPPA Options): Remove -mspace/-mno-space.
16355 * pa.c (out_of_line_prologue_epilogue): Delete.
16356 (override_options): Remove -mspace related code.
16357 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
16358 (compute_frame_size): Only allocate space for register that
16359 actually need to be saved.
16360 * pa.h (MASK_SPACE, TARGET_SPACE): Delete.
16361 (TARGET_SWITCHES): Remove -mspace, -mno-space
16362 * pa/t-pa (LIB2FUNCS_EXTRA): Remove ee.asm and ee_fp.asm
16363 * pa/t-pro (LIB2FUNCS_EXTRA): Likewise. Remove -mspace multilib.
16364 * pa/ee.asm, pa/ee_fp.asm: Delete.
16366 * pa/elf.h (ASM_OUTPUT_DOUBLE_INT): Define.
16368 * config/svr4.h (CONST_SECTION_ASM_OP): Do not emit assembler
16369 directive in column zero.
16371 Fri Jul 16 01:39:57 1999 Jeffrey A Law (law@cygnus.com)
16373 * m68k.c (output_function_prologue): Fix computation of save mask
16374 when generating PIC code.
16376 Thu Jul 15 15:40:09 1999 Jim Wilson <wilson@cygnus.com>
16378 * tree.c (build_type_attribute_variant): Move current_obstack restore
16379 after build_qualified_type call.
16381 1999-07-15 Mark Mitchell <mark@codesourcery.com>
16383 * configure.in: Use t-iris6, even with GNU LD.
16384 * config/mips/iris6gld.h: Fix typo in linker spec.
16385 * config/mips/t-iris6gld: Remove.
16387 Thu Jul 15 15:15:43 1999 David Edelsohn <edelsohn@gnu.org>
16389 * rs6000.md (insv, extzv): Remove SImode dependence in named
16390 patterns. Explicitly generate DImode RTL if PowerPC64 and
16392 (insvdi): Reverse start and size in instruction template.
16394 1999-07-12 Joseph S. Myers <jsm28@cam.ac.uk>
16396 * invoke.texi: Typo fixes.
16398 Wed Jul 14 23:28:06 1999 Jeffrey A Law (law@cygnus.com)
16400 * emit-rtl.c (gen_realpart): Issue an error for cases GCC can not
16401 handle at this time instead of silently generating incorrect code.
16402 (gen_imagpart): Likewise.
16404 * reload.c (find_reloads): Emit a USE for a pseudo register without
16405 a hard register if we could not create an optional reload for the
16408 Wed Jul 14 23:45:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16410 * c-typeck.c (output_init_element, process_init_element):
16411 When advancing constructor_unfilled_fields for a RECORD_TYPE,
16412 check for nameless bit fields.
16414 Wed Jul 14 01:57:39 1999 Richard Henderson <rth@cygnus.com>
16416 * regclass.c (scan_one_insn): Notice subregs that change the
16417 size of their operand.
16418 (record_reg_classes): Use that to obey CLASS_CANNOT_CHANGE_SIZE.
16420 Wed Jul 14 01:41:42 1999 Jeffrey A Law (law@cygnus.com)
16422 * configure.in (alpha*-*-*): Include alpha/t-ieee.
16423 * configure: Rebuilt.
16424 * alpha/t-ieee: New file.
16426 Tue Jul 13 10:45:58 1999 Jeffrey A Law (law@cygnus.com)
16428 * rs6000.c (find_addr_reg): Do not select r0 as an address
16431 Tue Jul 13 00:46:18 1999 Philippe De Muyter <phdm@macqel.be>
16433 * m68k/x-mot3300 (XCFLAGS): List of big files now includes `cse.o'.
16435 Mon Jul 12 14:29:15 1999 Jeffrey A Law (law@cygnus.com)
16437 * rs6000.md (movsf): Do not force easy FP constants into memory.
16439 * expr.c (expand_expr, case PLUS_EXPR): Pass constants through
16440 immed_double_const to ensure they are properly truncated then
16443 Mon Jul 12 10:40:01 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
16445 * config/arm/thumb.c (thumb_reorg): Call replace_symbols_in_block
16446 always unless NO_DEBUG is used. Compile this code
16448 (replace_symbols_in_block): Compile it unconditionally.
16450 Sun Jul 11 12:32:32 1999 Jeffrey A Law (law@cygnus.com)
16452 * configure.in (i?86-*-elf*): New target.
16453 * configure: Rebuilt.
16454 * i386/i386elf.h, i386/t-i386elf: New files.
16456 Fri Jul 9 22:39:44 1999 Jason Merrill <jason@yorick.cygnus.com>
16458 * toplev.c (main): Don't complain about saying -gdwarf.
16459 (rest_of_compilation): Remove redundant code.
16461 Fri Jul 9 19:08:55 1999 Jim Wilson <wilson@cygnus.com>
16463 * unroll.c (unroll_loops): Don't delete named CODE_LABELs.
16465 Fri Jul 9 18:54:18 1999 Felix Lee <flee@cygnus.com>
16467 * config/i960/i960.c (ret_label): Change asm label from "LR:" to
16468 "Li960R:", to avoid name clash.
16470 Fri Jul 9 10:48:28 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16472 * loop.c (check_dbra_loop): When reversing a loop, delete all
16473 REG_EQUAL notes referencing the reversed biv except those which are
16474 for a giv based on it.
16476 Fri Jul 9 03:51:52 1999 Jeffrey A Law (law@cygnus.com)
16478 * version.c: Drop "gcc-" prefix from version #.
16480 Thu Jul 8 18:06:30 1999 Jason Merrill <jason@yorick.cygnus.com>
16482 * dwarf2out.c (dwarf2out_line): Emit a line number comment after
16483 the label if we're being verbose.
16485 Thu Jul 8 14:18:46 1999 Richard Henderson <rth@cygnus.com>
16487 * m68k.c (output_function_prologue): Add pic register to mask
16488 if live and flag_pic.
16489 (output_function_epilogue): Likewise.
16491 Thu Jul 8 12:55:12 1999 Jeffrey A Law (law@cygnus.com)
16493 * dbxelf.h (ASM_OUTPUT_SOURCE_LINE): Do not put assembler
16494 directives in column zero.
16496 * pa/elf.h (ASM_FILE_START): Define.
16497 * pa/som.h (ASM_FILE_START): Include .level directives.
16498 * pa/hpux10.h (ASM_FILE_START): Delete.
16499 * pa/hpux11.h (ASM_FILE_START): Delete.
16501 * pa/elf.h (BSS_SECTION_ASM_OP): Use .section .bss.
16503 Thu Jul 8 18:03:19 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16505 * reload1.c (choose_reload_regs): Never call remove_adress_replacements
16506 when reload_out equals reload_in.
16508 Thu Jul 8 16:50:14 1999 Nick Clifton <nickc@cygnus.com>
16510 * invoke.texi (Spec Files): New node: Describe the contents of
16513 Thu Jul 8 10:28:25 1999 Craig Burley <craig@jcb-sc.com>
16515 * invoke.texi (DEC Alpha Options): Put @end table at
16516 beginning of line, to avoid confusing texi2html.
16518 Thu Jul 8 09:22:06 1999 Nick Clifton <nickc@cygnus.com>
16520 * config/arm/elf.h (ASM_OUTPUT_INTERNAL_LABEL): Fixed typo
16521 introduced in previous delta.
16523 Wed Jul 7 02:00:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
16525 * reload1.c (gen_reload): When synthesizing a 3 operand add
16526 sequence, improve test for when to reload OP1 into the reload
16527 register instead of OP0.
16529 Wed Jul 7 01:38:03 1999 Jim Wilson <wilson@cygnus.com>
16531 * unroll.c (unroll_loop): Don't delete NOTE_INSN_DELETED_LABEL notes.
16533 1999-07-07 Manfred Hollstein <mhollstein@cygnus.com>
16535 * m88k/dguxbcs.h (CPP_SPEC): Add missing \ in multi-line
16538 Wed Jul 7 01:16:43 1999 Richard Henderson <rth@cygnus.com>
16540 * ginclude/varargs.h (__builtin_va_alist_t): New typedef.
16541 (va_dcl): Use __builtin_va_alist_t.
16543 Wed Jul 7 01:14:42 1999 Jason Merrill <jason@yorick.cygnus.com>
16545 * dwarf2out.c (gen_struct_or_union_type_die): Only remember types
16546 on the permanent_obstack.
16547 * dwarfout.c (output_type): Likewise.
16549 Tue Jul 6 15:25:32 1999 Gavin Romig-Koch <gavin@cygnus.com>
16551 * c-common.c (unsigned_type,signed_type,signed_or_unsigned_type) :
16552 Merged from c-typeck.c and cp/typeck.c.
16553 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
16554 Merged into c-common.
16556 Tue Jul 6 13:06:01 1999 Dave Brolley <brolley@cygnus.com>
16558 * c-lex.c (errorcount): Declare it.
16559 (finish_parse): Update errorcount when using CPPLIB.
16561 1999-07-06 Bruce Korb <ddsinc09@ix.netcom.com>
16563 * fixinc/inclhack.def(end_else_label): Double the backslash so
16564 sed gets a chance to see it.
16565 * fixinc/inclhack.sh: regen
16566 * fixinc/fixincl.x: regen
16568 Fri Jul 2 18:49:51 1999 Nick Clifton <nickc@cygnus.com>
16570 Add framework to support armv5 architecture when it becomes
16573 * config/arm/arm.c (FL_ARCH5): New processor capability flag.
16574 (arm_arch5): New variable.
16575 (all_architectures): Add armv5 line.
16576 * config/arm/arm.h (CPP_CPU_ARCH_SPEC): Define __ARM_ARCH_5__ if
16577 -march=armv5 is specified on the command line.
16578 (arm_arch5): Export this variable.
16579 * invoke.texi: Document new string accepted by -march= switch for
16582 * config/arm/arm.h: Replace use of constant 12 as a register
16583 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
16584 * config/arm/arm.c: Replace use of constant 12 as a register
16585 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
16587 * config/arm/elf.h: Tidy up.
16588 * config/arm/coff.h: Tidy up.
16590 Thu Jul 1 19:08:13 1999 Mark P. Mitchell <mark@codesourcery.com>
16592 * gcc/configure.in (mips-sgi-irix6*): Handle --with-gnu-ld.
16593 * gcc/config/mips/t-iris6gld: New file.
16594 * gcc/config/mips/iris6gld.h: Likewise.
16596 Fri Jul 2 13:23:39 1999 Gavin Romig-Koch <gavin@cygnus.com>
16598 * c-decl.c (widest_integer_literal_type_node,
16599 widest_unsigned_literal_type) : New.
16600 (init_decl_processing): Handle/use the two new types.
16601 * c-common.c (type_for_size,type_for_mode) : Same.
16602 * c-lex.c (yylex) : Same.
16603 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
16605 * c-tree.h (widest_integer_literal_type_node,
16606 widest_unsigned_literal_type) : New.
16608 Fri Jul 2 03:05:44 1999 Jeffrey A Law (law@cygnus.com)
16610 * dwarfout.c (field_byte_offset): Correctly compute the object's
16611 byte offset for the first bit of a field which crosses an alignment
16612 boundary on a !BYTES_BIG_ENDIAN target.
16614 Fri Jul 2 01:36:36 1999 Robert Lipe <robertlipe@usa.net>
16616 * fixinc.svr4: Fix <arpa/inet.h> by deleting protos for htons and
16619 Fri Jul 2 00:46:47 1999 Richard Henderson <rth@cygnus.com>
16620 Jeff Law <law@cygnus.com>
16622 * ginclude/varargs.h (va_dcl): Use word_mode for type of
16625 * except.c: Include intl.h.
16626 (expand_eh_return): Set current_function_cannot_inline.
16627 (save_eh_status, restore_eh_status): Twiddle eh_return_stub_label.
16628 * function.h (struct function): Add eh_return_stub_label.
16629 * flow.c (delete_unreachable_blocks): Don't merge across EH edges.
16630 * Makefile.in (except.o): Depend on intl.h.
16632 Fri Jul 2 00:04:23 1999 David Edelsohn <edelsohn@gnu.org>
16634 * rs6000.md (movdf_hardfloat32): Handle PRE_INC and PRE_DEC the
16635 same as offsettable in cases 1 and 2.
16637 Thu Jul 1 20:54:10 1999 Richard Henderson <rth@cygnus.com>
16639 * alpha.md (extqh): Define as 64-((R&7)*8) instead of 56-(((R-1)&7)*8).
16640 (extlh, extwh): Likewise.
16642 Thu Jul 1 11:05:25 1999 Gavin Romig-Koch <gavin@cygnus.com>
16644 * c-lex.c (yylex): Improve 'integer constant out of range' messages.
16646 Wed Jun 30 16:51:41 1999 Nick Clifton <nickc@cygnus.com>
16648 * configure.in: Add arm-pe and thumb-pe targets.
16649 * configure: Regenerate.
16651 * thumb.c (arm_naked_function_p): New function: Determines if
16652 a function is naked (has no gcc generated prologue/epilogue).
16653 (is_called_in_ARM_mode): Return true if the func has the
16654 interfacearm attribute.
16655 (output_return): Do not generate a return for naked functions.
16656 (thumb_function_prologue): Do not generate a prologue for
16658 (thumb_expand_prologue): Do not generate a prologue for naked
16660 (thumb_expand_epilogue): Do not generate an epilogue for naked
16662 (arm_valid_machine_decl_attribute): New function, copied from
16663 arm.c: Permit naked and interfacearm attributes.
16665 * config/arm/pe.c: New file: Support code for arm-pe target.
16666 * config/arm/pe.h: New file: Header file for arm-pe target.
16667 * config/arm/tpe.h: New file: Header file for thumb-pe target.
16668 * config/arm/t-thumb-pe: New file: Makefile fragment for
16671 1999-07-01 Mark Kettenis <kettenis@gnu.org>
16673 * config/i386/gnu.h (CPP_SPEC): Define __PIC__ and __pic__ if
16674 -fPIC or -fpic is specified.
16676 Wed Jun 30 03:31:54 1999 Jeffrey A Law (law@cygnus.com)
16678 * expr.c (emit_block_move): Use copy_to_mode_reg for
16679 !TARGET_MEM_FUNCTIONS case too.
16681 * configure.in (hppa*-*-*): Add som.h or elf.h to tm_file as
16683 * configure: Rebuilt.
16684 (hppa1.1-*-pro*, hppa1.1-*-rtems*): Define target_cpu_default.
16685 * pa.h: Include dbxelf.h. Delete various dbx/stabs related
16686 definitions made redundant by dbxelf.h inclusion. Delete
16687 lots of definitions related to assembly output that are
16688 specific to the SOM object format.
16689 * pa.c (output_function_prologue): Do not emit the function's
16691 * pa-pro-end.h (STARTFILE_SPEC): Undefine before redefining.
16692 * pa-pro.h: Deleted.
16693 * som.h: New file with SOM specific definitions.
16694 * elf.h: New file with ELF specific definitions.
16696 * elfos.h (const_section): Output a tab before assembler directives.
16697 (ctors_section, dtors_section): Likewise.
16698 (ASM_OUTPUT_SECTION_NAME): Likewise.
16700 * pa/pa1.h: Delete unused file.
16702 Tue Jun 29 01:37:53 1999 Jeffrey A Law (law@cygnus.com)
16704 * configure.in (hppa*-hp-hpux11*): New configuration.
16705 * configure: Rebuilt.
16706 * pa/pa-hpux11.h: New file.
16707 * pa.h (CPP_SPEC): Conditionally add -D__STDC_EXT__ to the cpp
16710 * mips.md (leasi, leadi): New patterns.
16712 * expr.c (emit_block_move): Properly handle case where one of the
16713 block move arguments has a queued increment or decrement.
16714 (clear_storage): Similarly. Fix formatting goof.
16716 1999-06-28 "David O'Brien" <obrien@NUXI.com>
16718 * fixinc/inclhack.def(stdio_va_list): This patch Removes a
16719 semicolon from the BSD VA_LIST replacement expression.
16721 * fixinc/inclhack.sh: regen
16722 * fixinc/fixincl.x: regen
16724 * fixinc/mkfixinc.sh: Have `i[34567]86-*-freebsd*' machines
16725 now use the fixincl program.
16727 Mon Jun 28 05:28:12 1999 Jeffrey A Law (law@cygnus.com)
16729 * m68k.h (CONDITIONAL_REGISTER_USAGE): Define for !SUN_FPA
16730 case. Also make the PIC register call_used.
16732 * m68k.h (FINALIZE_PIC): Delete.
16733 * m68k.c (finalize_pic): Delete.
16735 Mon Jun 28 05:16:35 1999 Richard Henderson <rth@cygnus.com>
16737 * m68k.h (PREFERRED_RELOAD_CLASS): Don't force any FP const_doubles
16740 Mon Jun 28 04:07:27 1999 David Edelsohn <edelsohn@gnu.org>
16742 * expmed.c (expand_divmod): Ensure unsigned value fits in reg_note.
16744 Sun Jun 27 02:39:08 1999 Richard Henderson <rth@cygnus.com>
16746 * jump.c (jump_optimize_1): Validate the cmov copy to a temporary.
16748 Sat Jun 26 17:18:18 1999 David Edelsohn <edelsohn@gnu.org>
16750 * rs6000.c (print_operand, case 'L'): Use plus_constant_for_output.
16752 Fri Jun 25 11:33:24 1999 Richard Henderson <rth@cygnus.com>
16754 * alpha.c (override_options): Add -mcpu=ev45 as an alias for ev4.
16756 Fri Jun 25 13:41:25 1999 David Edelsohn <edelsohn@gnu.org>
16758 * rs6000.c (output_toc): Always use hex values for floating-point
16759 constants. Store single-precision values in upper-half of TOC
16760 entry in 64-bit mode.
16761 * rs6000.md (floatsidf2, floatunssidf2): Add !TARGET_POWERPC64
16762 to final constraints.
16763 (fix_truncdfsi2 splitter): Change pattern matching fctiwz.
16764 (fctiwz): Improve accuracy of RTL for pattern.
16766 Fri Jun 25 11:26:38 1999 Gavin Romig-Koch <gavin@cygnus.com>
16768 * expr.c (expand_expr): Allow RTL_EXPR's through the
16769 MAX_INTEGER_COMPUTATION_MODE checks.
16771 Fri Jun 25 06:06:37 1999 Richard Henderson <rth@cygnus.com>
16773 * alpha.h (MASK_SUPPORT_ARCH, MASK_CPU_EV5, MASK_CPU_EV6): Define
16774 such that MASK_SUPPORT_ARCH is not negative.
16776 Fri Jun 25 05:35:44 1999 Jeffrey A Law (law@cygnus.com)
16778 * loop.c (verify_dominator): Properly handle ADDR_VEC and
16779 ADDR_DIFF_VEC insns that appear inside loops.
16781 Thu Jun 24 22:54:05 1999 David Edelsohn <edelsohn@gnu.org>
16782 Jeff Law <law@cygnus.com>
16784 * rs6000.md (movdf_hardfloat32): Revert previous patch.
16785 Handle LO_SUM the same as offsettable in cases 1 and 2.
16786 * rs6000.c (find_addr_reg): Revert previous patch.
16788 Thu Jun 24 22:43:12 1999 Philippe De Muyter <phdm@macqel.be>
16790 * system.h (strstr): New external function declaration.
16791 * acconfig.h (NEED_DECLARATION_STRSTR): New define slot.
16792 * configure.in (GCC_NEED_DECLARATIONS): Check for strstr.
16793 * config.in, configure: Rebuilt.
16795 1999-06-24 Tom Tromey <tromey@cygnus.com>
16797 * gcc.c (main): Read user-specified specs files after computing
16798 additional startfile_prefixes.
16800 Thu Jun 24 15:00:47 1999 Mark Mitchell <mark@codesourcery.com>
16802 Revert these two patches:
16804 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16805 * loop.c (strength_reduce): When doing biv->giv conversion, update
16806 reg note of NEXT->insn.
16808 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16809 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
16811 (recombine_givs): Set ix field after sorting.
16813 Wed Jun 23 21:26:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16815 * rtlanal.c (reg_referenced_p): Use reg_overlap_mentioned_p
16816 for the parts of an UNSPEC / UNSPEC_VOLATILE.
16818 1999-06-23 Bruce Korb <ddsinc09@ix.netcom.com>
16820 *fixinc/inclhack.def: Add fix development commentary
16821 (read_ret_type): reactivate and add selection clause
16822 (zzz_*): tweak output file name to match what is used in hackshell.tpl
16823 *fixinc/{fixincl.x|inclhack.sh}: regen
16825 Wed Jun 23 00:48:21 1999 Jason Merrill <jason@yorick.cygnus.com>
16827 * expr.c (expand_expr): STRIP_NOPS before checking against
16828 MAX_INTEGER_COMPUTATION_MODE
16829 (check_max_integer_computation_mode): Likewise.
16831 Tue Jun 22 20:23:43 1999 Jim Wilson <wilson@cygnus.com>
16833 * md.texi (smul@var{m}3_highpart): Add missing 's' prefix.
16835 1999-06-22 Jim Wilson <wilson@cygnus.com>
16837 * expr.c (store_expr): When target is a promoted subreg, return a
16838 promoted subreg as a result.
16840 Tue Jun 22 17:14:58 1999 Michael Meissner <meissner@cygnus.com>
16842 * dwarf2out.c (dwarf2out_frame_debug_expr): Reformat to match GNU
16844 (dwarf2out_define): Mark unused parameters appropriately.
16845 (gen_unspecified_parameters_die): Ditto.
16846 (gen_subprogram_die): Fix signed/unsigned warnings.
16847 (gen_variable_die): Ditto.
16849 1999-06-22 Bruce Korb <ddsinc09@ix.netcom.com>
16851 * fixinc/inclhack.def(end_else_label): combined else_label
16852 and endif_label and fixed the sed expression.
16853 *fixinc/{fixincl.x|inclhack.sh}: regen
16855 Tue Jun 22 01:58:18 1999 Jeffrey A Law (law@cygnus.com)
16857 * rs6000.md (movdf_hardfloat32): Use %X instead of always emitting
16858 'x' when handling non-offsettable addresses
16860 Tue Jun 22 00:20:05 1999 Richard Earnshaw (rearnsha@arm.com)
16862 * final.c (shorten_branches): Don't try to split an insn that has
16865 Mon Jun 21 12:47:39 1999 Mark Mitchell <mark@codesourcery.com>
16867 * config/mips/mips.c (symbolic_expression_p): New function.
16868 (mips_select_rtx_section): Put symbolic expressions in the
16869 data section, not the read-only data section.
16871 Mon Jun 21 22:13:06 1999 Jeffrey A Law (law@cygnus.com)
16873 * rs6000.md (find_addr_reg): Handle LO_SUM addresses.
16875 Mon Jun 21 20:10:42 1999 Richard Henderson <rth@cygnus.com>
16877 * collect2.c (main): Log frame table count.
16878 (GCC_OK_SYMBOL) [ECOFF]: Accept stGlobal.
16879 (scan_prog_file) [COFF]: Handle frame tables.
16881 * alpha/alpha.h (UNALIGNED_SHORT_ASM_OP): Define.
16882 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): Define.
16883 * alpha/elf.h: Undef them again.
16884 * alpha/vms.h: Remove their definitions.
16886 Tue Jun 22 03:17:53 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16888 * sh.c (machine_dependent_reorg): When fixing up fp pcloads,
16889 remove the clobber of r0 and change the REG_UNUSED note to
16892 1999-06-21 Jakub Jelinek <jj@ultra.linux.cz>
16894 * real.c (ereal_from_double): Fix for 64-bit big endian hosts.
16895 * emit-rtl.c (gen_lowpart_common): Add case for hosts where double
16896 fits in HOST_WIDE_INT and one uses union to access a long constant
16899 Mon Jun 21 17:18:25 1999 Richard Henderson <rth@cygnus.com>
16901 * sparc.c (sparc_override_options): Don't allow profiling for
16902 code models other than medlow.
16903 (sparc_function_profiler): New function from old FUNCTION_PROFILER
16904 macro. Use ASM_GENERATE_INTERNAL_LABEL and MCOUNT_FUNCTION.
16905 (sparc_function_block_profiler): Likewise. Use user_label_prefix.
16906 (sparc_block_profiler): Likewise.
16907 (sparc_function_block_profiler_exit): Likewise.
16908 * sparc.h (FUNCTION_PROFILER): Call new sparc.c function.
16909 (FUNCTION_BLOCK_PROFILER): Likewise.
16910 (BLOCK_PROFILER): Likewise.
16911 (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
16912 (MCOUNT_FUNCTION): New.
16913 * sparc/pbd.h (FUNCTION_PROFILER): Delete.
16914 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Delete.
16915 * sparc/sun4o3.h (FUNCTION_PROFILER): Delete.
16916 (MCOUNT_FUNCTION): New.
16917 * sparc/sysv4.h (FUNCTION_BLOCK_PROFILER): Delete.
16918 (BLOCK_PROFILER): Delete.
16919 (MCOUNT_FUNCTION): New.
16921 Mon Jun 21 14:11:29 1999 David Edelsohn <edelsohn@gnu.org>
16923 * rs6000.md (movdf_hardfloat32): Fix typo in case 2.
16925 Mon Jun 21 12:27:17 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
16927 * config/mips/elf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
16930 * config/m68k/m68kelf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
16933 * config/sh/sh.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
16936 * config/arm/telf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
16939 Mon Jun 21 14:58:42 1999 Nick Clifton <nickc@cygnus.com>
16941 * config/arm/arm.h: Add cpp support for ARM920 and ARM920T cpu
16944 Mon Jun 21 06:22:21 1999 Mark Elbrecht <snowball3@bigfoot.com>
16946 * i386/djgpp.h (LIB_SPEC): New.
16947 (STARTFILE_SPEC): New.
16949 * i386/xm-djgpp.h (NO_SYS_SIGLIST): Deleted. Now obsolete.
16951 Mon Jun 21 06:19:33 1999 Philippe De Muyter <phdm@macqel.be>
16953 * fixinc/Makefile.in (gnu-regex.o): Do not define STDC_HEADERS in
16956 * system.h (WSTOPSIG): New macro.
16958 Mon Jun 21 05:33:15 1999 Mumit Khan <khan@xraylith.wisc.edu>
16960 * c-pragma.c (push_alignment): Don't ignore alignments greater than
16962 (insert_pack_attributes): Take into account member natural
16965 * i386/winnt.c (exports_head): New static variable.
16966 (i386_pe_record_exported_symbol): New function.
16967 (i386_pe_asm_file_end): Use.
16968 * i386/cygwin.h (ASM_OUTPUT_COMMON): Record the exported
16969 symbols to be emitted at end of assembly.
16970 (ASM_DECLARE_OBJECT_NAME): Likewise.
16971 (ASM_DECLARE_FUNCTION_NAME): Likewise.
16973 * i386/uwin.h (CPP_SPEC): Use -idirafter instead -iprefix and
16976 Mon Jun 21 04:44:31 1999 Jeffrey A Law (law@cygnus.com)
16978 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Fix paren error introduced
16981 Sun Jun 20 17:27:20 1999 Richard Henderson <rth@cygnus.com>
16983 * haifa-sched.c (sched_analyze_1): Use free_list instead of
16984 zapping reg_last_uses directly.
16985 (sched_analyze_2, sched_analyze_insn): Likewise.
16986 (sched_analyze): Likewise. Don't clear reg_last_uses on calls.
16988 Sun Jun 20 16:57:29 1999 David Edelsohn <edelsohn@gnu.org>
16990 * rs6000.md (movdf_hardfloat32): Use worst case insn length
16991 attributes for cases 1 and 2.
16993 Sat Jun 19 22:52:55 1999 Richard Henderson <rth@cygnus.com>
16995 * haifa-sched.c (sched_analyze): Mark call-user regs as clobbered
16998 Sat Jun 19 05:40:07 1999 Philip Blundell <pb@nexus.co.uk>
17000 * arm.c (arm_reload_in_hi): Invert sense of test on BYTES_BIG_ENDIAN.
17002 Sat Jun 19 05:25:05 1999 Richard Earnshaw (rearnsha@arm.com)
17004 * arm.h (CONDITIONAL_REGISTER_USAGE): If flag_pic, never use
17005 PIC_OFFSET_TABLE_REGNUM for general alloaction.
17006 (INITIAL_ELIMINATION_OFFSET): Count the fact that the PIC register
17007 must be stacked if it is used for PIC accesses.
17008 * arm.c (use_return_insn): Handle PIC register specially.
17009 (output_return_instruction): Likewise.
17010 (output_func_{prologue,epilogue}): Likewise.
17011 (output_expand_prologue): Likewise.
17013 * arm.md (*adddf_esfdf_df): Renamed from *adddf_df_esfdf.
17014 (*strsi_predec): Renamed from *strqi_predec.
17015 (*loadsi_shiftpreinc): Renamed from *loadqi_shiftpreinc.
17016 (*loadsi_shiftpredec): Renamed from *loadqi_shiftpredec.
17018 * arm.c (arm_override_options): Remove warning about PIC code
17019 not being supported.
17021 Fri Jun 18 23:47:06 1999 David Edelsohn <edelsohn@gnu.org>
17023 * rs6000.c (find_addr_reg): New function.
17024 * rs6000.h (find_addr_reg): Declare.
17025 (offsettable_addr_operand): Delete.
17026 * rs6000.md (movdf_hardfloat32): Handle non-offsettable loads
17027 from and stores to GPRs.
17029 Fri Jun 18 15:44:18 1999 Richard Henderson <rth@cygnus.com>
17031 * alpha.c (alpha_expand_block_move): Use get_insns rather than
17032 gen_sequence as argument to emit_no_conflict_block.
17034 Fri Jun 18 07:02 1999 Bruce Korb <ddsinc09@ix.netcom.com>
17036 * fixinc/mkfixinc.sh: enable the fixincl program for DG/UX
17037 * fixinc/inclhack.def(dgux_int_varargs): script must end with \n
17038 *fixinc/fixincl.x: regen
17039 *fixinc/inclhack.sh: regen
17041 Thu Jun 17 15:06:10 PDT 1999 Don Lindsay <dlindsay@cygnus.com>
17043 * added support for -mpcrel (PC relative addressing for m68k)
17044 based on code done by Michael Tiemann <tiemann@axon.cygnus.com>.
17045 * invoke.texi (m68000 options): Add documentation for -mpcrel flag.
17046 * m68k.c (print_operand_address): Handle 32-bit PIC case.
17047 (comments for general_src_operand): Add some explanation
17048 about EXTRA_CONSTRAINTS.
17049 (OVERRIDE_OPTIONS): Enable -fPIC in combination with -mpcrel.
17050 * m68kelf.h (OVERRIDE_OPTIONS): Ditto.
17051 (LEGITIMATE_PIC_OPERAND_P): Fix typo.
17052 (LEGITIMATE_PIC_OPERAND_P): Re-derive from m68k.h case.
17053 * m68k.h (LEGITIMATE_PIC_OPERAND_P): Fix delete-o.
17054 (INDIRECTABLE_1_ADDRESS): Delete spurious '/' at end of macro.
17055 (OVERRIDE_OPTIONS): Change behavior so that -mpcrel implies -fpic
17056 if not already set.
17057 (OVERRIDE_OPTIONS): Merge in changes from m68k.h.
17058 * m68k.h (TARGET_PCREL): New target flag.
17059 (TARGET_SWITCHES): Add "pcrel" as a recognized switch.
17060 (OVERRIDE_OPTIONS): Add checks for -mpcrel.
17061 (LEGITIMATE_PIC_OPERAND_P): Don't normally accept anything that
17062 contains a SYMBOL_REF. Relax this constraint during reload, since
17063 we want to use the predicates, not reload's built-in concept of a
17064 valid memory address, to control what insns need reloading.
17065 (EXTRA_CONSTRAINT): Define constraints to accept pc-relative
17066 operands (essentially 'g', 'm', and 's' under normal circumstances).
17067 * m68k.c (print_operand): Cause printing of pc-relative addresses
17068 to include pc register.
17069 (print_operand_address): Ditto.
17070 (general_src_operand): Accept operands that are not only
17071 general_operands, but are also valid when used as a pc-relative
17073 (nonimmediate_src_operand): Similar, for nonimmediate_operands.
17074 (memory_src_operand): Similar, for memory_operands.
17075 (pcrel_address): New predicate to accept the special case of a
17076 pc-relative address.
17077 * m68k.md (many patterns): Rewrite common SImode, HImode, and
17078 QImode insns to accept *_src_operand instead of *_operand where
17079 pc-relative operands can fit. For example, a pc-relative operand
17080 can be used as a memory source operand for addsi3, but not as a
17081 memory destination.
17082 * hp320.h linux.h m68kv4.h (LEGITIMATE_PIC_OPERAND_P) as in m68k.h.
17084 Fri Jun 18 09:11:07 1999 Nick Clifton <nickc@cygnus.com>
17086 * config/arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS): New Marco: USe
17087 .thumb_set pseudo op to mark aliases of thumb functions.
17089 Wed Jun 16 18:19:13 1999 Nick Clifton <nickc@cygnus.com>
17091 * varasm.c (assemble_alias): Use ASM_OUTPUT_DEF_FROM_DECLS in
17092 preference to ASM_OUTPUT_DEF, if it is defined.
17094 * tm.texi: Document new, optional target macro
17095 ASM_OUTPUT_DEF_FROM_DECLS.
17097 Thu Jun 17 15:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
17099 * fixincludes: ISCNTL patch
17100 * fixinc/inclhack.def (ioctl_fix_ctrl): Fix the definition of [_]*ISCTRL().
17101 (dgux_int_varargs): new for DG/UX
17102 * fixinc/{fixincl.x,inclhack.sh}: Regenerated.
17104 Thu Jun 17 21:34:24 1999 Jeff Law <law@cygnus.com>
17106 * invoke.texi (ia32 options): Fix typo.
17108 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17110 * loop.c (strength_reduce): When doing biv->giv conversion, update
17111 reg note of NEXT->insn.
17113 Thu Jun 17 14:25:08 1999 Jeffrey A Law (law@cygnus.com)
17115 * loop.c (move_movables): Note issues with replacing REGs with
17117 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Handle SUBREGs properly.
17119 Thu Jun 17 13:28:30 1999 David O'Brien <obrien@FreeBSD.org>
17121 * i386/freebsd-elf.h (LINK_SPEC): Fix typo.
17123 * i386/freebsd-elf.h (FUNCTION_PROFILER): labels are not needed and
17124 the reference to `mcount' was not correct for the ELF on FreeBSD.
17126 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17128 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
17131 (recombine_givs): Set ix field after sorting.
17133 Thu Jun 17 02:54:30 1999 Jeffrey A Law (law@cygnus.com)
17135 * emit-rtl.c (operand_subword): Tighten checks for when it is safe
17136 to safe to extract a subword out of a REG.
17138 Thu Jun 17 01:45:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17140 * sh.md (mulsi3): Don't add a no-op move at the end.
17142 Wed Jun 16 20:29:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17144 * cse.c (cse_insn): Don't put hard register source into tables for
17145 the last insn of a libcall.
17147 Wed Jun 16 19:44:33 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17149 * loop.c (strength_reduce): Insert sets of derived givs at every
17150 biv increment, even if it's the only one.
17152 Wed Jun 16 10:33:02 1999 Jason Merrill <jason@yorick.cygnus.com>
17154 * dwarfout.c (add_incomplete_type): New fn.
17155 (output_type): Call it.
17156 (retry_incomplete_types): New fn.
17157 (dwarfout_finish): Call it.
17159 From Eric Raskin <ehr@listworks.com>:
17160 (output_type): Output types for bases.
17162 Tue Jun 15 12:51:23 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
17164 * mips.c (mips_output_conditional_branch): Add `break'
17165 between `default' label and `close braces'.
17167 Tue Jun 15 01:55:20 1999 David O'Brien <obrien@FreeBSD.org>
17169 * i386/freebsd-elf.h (LINK_SPEC): clean up the linking library
17170 specifications and make it realistic.
17171 (LIB_SPEC): Likewise.
17173 Mon Jun 14 15:38:43 1999 Jim Wilson <wilson@cygnus.com>
17175 * config/mips/mips.c (mips_secondary_reload_class): Check for
17176 (PLUS (SP) (REG)) and return appropriate register class.
17177 * config/mips/mips.md (reload_insi): Delete predicate for operand 1.
17178 Handle (PLUS (SP) (REG)).
17179 (tablejump): In mips16 code, use emit_insn instead of emit_jump_insn.
17180 (tablejump_mips161, tablejump_mips162): Use emit_jump_insn instead
17181 of emit_insn for tablejump.
17183 Mon Jun 14 17:26:40 1999 David Edelsohn <edelsohn@gnu.org>
17185 * rs6000.c (output_prolog): RS6000_CALL_GLUE must be
17186 asm_fprintf format string by itself.
17187 (output_function_profiler): Likewise.
17189 Mon Jun 14 12:57:38 1999 David Mosberger <davidm@hpl.hp.com>
17191 * combine.c (simplify_logical, case AND): Only call
17192 simplify_and_const_int if the mode is no wider than HOST_WIDE_INT
17193 or the constant is positive.
17195 Mon Jun 14 11:43:41 1999 Nick Clifton <nickc@cygnus.com>
17197 * configure.in: Fix typo in rs6000-ibm-aix4 case.
17198 * configure: Regenerate.
17200 Mon Jun 14 03:55:40 1999 Jeffrey A Law (law@cygnus.com)
17202 * configure.in (rs6000-ibm-aix4.3*, powerpc-ibm-aix4.3*): Do not
17203 require a sub-version #.
17204 * configure: Rebuilt.
17206 1999-06-14 Robert Lipe (robertlipe@usa.net)
17208 * svr4.h (DWARF2_DEBUGGING_INFO): Check for redefinition.
17210 Mon Jun 14 10:30:52 BST 1999 Nathan Sidwell <nathan@acm.org>
17212 * c-typeck.c (process_init_element): Detect excess elements in
17213 char array initializer.
17215 1999-06-14 Andreas Jaeger <aj@arthur.rhein-neckar.de>
17217 * gcc.texi: Mention gcc 2.96 instead of egcs 1.00.
17219 Sat Jun 12 22:29:48 EDT 1999 Jerry Quinn <jquinn@nortelnetworks.com>
17221 * invoke.texi (Option Summary): Add -fpermissive flag.
17223 Sat Jun 12 03:40:42 1999 Jeffrey A Law (law@cygnus.com)
17225 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Do nothing with operands
17226 that require PIC code sequences.
17228 Wed Jun 9 16:29:01 1999 Nick Clifton <nickc@cygnus.com>
17230 * configure.in: Add new target: thumb-elf.
17231 * configure: Regenerate.
17232 * config/arm/t-thumb-elf: New file: Makefile fragment for
17234 * config/arm/telf.h: New file: Header file for thumb-elf
17237 Fri Jun 11 03:17:51 1999 Jeffrey A Law (law@cygnus.com)
17239 * Makefile.in (libgcc2): Pass MAYBE_USE_COLLECT2 as an argument.
17240 * libgcc2.c (__CTOR_LIST, __DTOR_LIST); Do not provide
17241 initializers is some circumstances.
17243 * fixinc/inclhack.def (endif_label): Add additional selector for
17244 more bogus stuff after #endif statements.
17245 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
17247 Thu Jun 10 20:44:36 1999 Mumit Khan <khan@xraylith.wisc.edu>
17249 * i386/cygwin.h (SET_ASM_OP): Define.
17251 Thu Jun 10 20:37:57 1999 Mumit Khan <khan@xraylith.wisc.edu>
17253 * reg-stack.c (stack_reg_life_analysis): Find all the RETURN insns.
17255 Thu Jun 10 19:23:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17257 * sh.h (TARGET_HARWARD, TARGET_HARVARD): Changed the former to the
17260 * sh.md (ic_invalidate_line_i): Remove second alternative.
17262 Thu Jun 10 06:55 1999 Bruce Korb <ddsinc09@ix.netcom.com>
17264 *fixinc/inclhack.def(sun_auth_proto): We do not know how to
17265 test for the presence of valid prototypes. Delete bypass expr.
17266 (ioctl_fix_ctrl): Correct the selection expression.
17267 (no_double_slash): Correct quoting rules
17268 *fixinc/fixincl.x: regen
17269 *fixinc/inclhack.sh: regen
17271 Thu Jun 10 15:08:15 1999 Nick Clifton <nickc@cygnus.com>
17273 * config/arm/arm.c (struct all_cores): Add ARM920 and ARM920t.
17275 Wed Jun 9 15:57:57 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
17277 * rs6000.md (movsi_got_internal_mem): Delete.
17278 * rs6000.h (CONDITIONAL_REGISTER_USAGE): Mark PIC_OFFSET_TABLE_REGNUM.
17279 (GOT_TOC_REGNUM): Delete.
17280 (PIC_OFFSET_TABLE_REGNUM): Define.
17281 (FINALIZE_PIC): Disable.
17282 * rs6000.c (rs6000_got_register): New code for fixed pic register.
17283 (rs6000_replace_regno): Delete.
17284 (rs6000_finalize_pic): Likewise.
17285 (output_prolog): Handle PIC_OFFSET_TABLE_REGNUM.
17287 Wed Jun 9 19:44:26 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17289 * loop.c (loop_insn_first_p): Don't compare LUIDs when P
17290 is a note; use <= for the compare; advance P while it is
17293 Wed Jun 9 13:12:24 1999 Jeffrey A Law (law@cygnus.com)
17295 * fixinc/inclhack.def (no_double_slash): Fix quoting for test.
17296 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh; Rebuilt.
17298 * varasm.c (remove_from_pending_weak_list): Verify t->name
17299 is non-NULL before passing it to strcmp.
17301 Wed Jun 9 06:50 1999 Bruce Korb <ddsinc09@ix.netcom.com>
17303 *fixinc/inclhack.def(sun_auth_proto): bypass the patch if
17304 the typed arguments are not part of a comment
17305 (ioctl_fix_ctrl): Added a purpose comment
17306 *fixinc/fixincl.x: regenerate
17307 *fixinc/inclhack.sh: regenerate
17309 Wed Jun 9 22:57:02 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17311 * invoke.texi: Add C4x invocation docs.
17313 Wed Jun 9 22:34:38 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17315 * config/c4x/c4x.h (TARGET_EXPOSE_LDP, LEGITIMIZE_RELOAD_ADDRESS):
17317 * config/c4x/c4x.c (c4x_emit_move_sequence, src_operand): Use
17319 (c4x_legitimize_reload_address): New function.
17320 * config/c4x/c4x.md: Update docs.
17322 Wed Jun 9 04:14:48 1999 Jeffrey A Law (law@cygnus.com)
17324 * fixincludes: Avoid removing '.'.
17325 * fixinc/fixinc.svr4: Likewise.
17326 * fixinc/fixinc.winnt: Likewise.
17327 * fixinc/inclhack.tpl: Likewise.
17328 * fixinc/fixincl.sh, fixinc/inclhack.sh: Rebuilt.
17330 1999-06-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17332 * fixinc/inclhack.def (sun_catmacro): Escape parens in the select
17334 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuilt.
17336 Wed Jun 9 03:10:34 1999 Mumit Khan <khan@xraylith.wisc.edu>
17338 * c-pragma.c (handle_pragma_token): Handle `#pragma pack()'
17341 Tue Jun 8 13:06:15 1999 Jim Wilson <wilson@cygnus.com>
17343 * configure.in (rs6000-ibm-aix4.[12]*): Change rx6000 to rs6000.
17344 * configure: Regenerate.
17346 Tue Jun 8 05:47:48 1999 Richard Earnshaw (rearnsha@arm.com)
17348 * optabs.c (expand_cmplxdiv_wide): Use expand_abs to get the absolute
17351 Mon Jun 7 22:30:37 1999 Jeffrey A Law (law@cygnus.com)
17353 * fixinc/inclhack.def (avoid_bool): Also catch
17354 "typedef [unsigned] int bool".
17355 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
17357 * m68k/x-hp3bsd44: Delete obsolete and incorrect file.
17358 * configure.in (m68k-hp-bsd4.4): No longer use x-hp3bsd44.
17359 * configure: Rebuilt.
17361 Mon Jun 7 22:05:03 1999 Mark Kettenis <kettenis@gnu.org>
17363 * config/i386/gnu.h: Include <gnu.h> right after <i386/linux.h>,
17364 such that we can override its definitions if necessary.
17365 (CPP_SPEC): New define. Support processor specific predefines via
17367 (CC1_SPEC): New define. Support processor specific compiler
17368 options via %(cc1_cpu).
17369 (STARTFILE_SPEC): New define. Use crt0.o instead of crt1.o for
17372 1999-06-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17374 * fixinc/inclhack.def (math_gcc_ifndefs): Insert whitespace
17375 between sed's -e flag, and the open-quote following it.
17376 * fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
17378 Mon Jun 7 20:34:20 1999 Robert Lipe <robertlipe@usa.net>
17379 Jeffrey A Law (law@cygnus.com)
17381 * varasm.c (assemble_start_function): Remove the function
17382 from the pending weak decls list when we define a function.
17383 (assemble_variable): Similarly for variables.
17384 (weak_finish): Ignore items on the list with a NULL name.
17385 (remove_from_ending_weak_list); New function to "remove" an item
17386 from the pending weak declarations list.
17388 Mon Jun 7 19:27:07 1999 Jerry Quinn <jquinn@nortelnetworks.com>
17390 * pa.md (fmpyfadd, fmpynfadd, fnegabs): New patterns.
17392 Mon Jun 7 14:07:39 1999 Dave Brolley <brolley@cygnus.com>
17394 * c-lex.c (GETC): Redefine to call getch.
17395 (UNGETC): Redefine to call put_back.
17396 (putback_buffer): New structure type.
17397 (putback): New static structure.
17398 (getch): New function.
17399 (put_back): New function.
17400 (yylex): Replace unused bytes from bad multibyte character.
17402 Mon Jun 7 13:33:39 1999 Dave Brolley <brolley@cygnus.com>
17404 * cpplib.c (do_define): Cast `alloca' return value.
17405 (do_include, do_undef, do_pragma): Likewise.
17406 * cpphash.c (dump_definition): Cast `xstrdup' and `alloca' return
17408 * cppfiles.c (initialize_input_buffer): Cast `xmalloc' return values.
17409 * gcc/cppspec.c (lang_specific_driver): Cast xmalloc return value.
17411 Sun Jun 6 11:58:34 1999 Jakub Jelinek <jj@ultra.linux.cz>
17413 * sparc.md (abstf2): This should be an expand.
17414 (split after abstf2_notv9): Fix mode.
17415 (abstf2_hq_v9): New pattern.
17416 (abstf2_v9): Only use when no hard quad.
17417 (absdf2_v9): Fix if target is not the same as source.
17418 (ashrsi3_extend, ashrsi3_extend2, lshrsi3_extend, lshrsi3_extend2):
17419 Add correct output constraints.
17421 Sat Jun 5 17:04:16 1999 Craig Burley <craig@jcb-sc.com>
17423 From Dave Love to egcs-patches on 20 May 1999 17:38:38 +0100:
17424 * invoke.texi: Clarify text vis-a-vis Intel CPUs.
17426 Sat Jun 5 12:11:24 1999 Mark Mitchell <mark@codesourcery.com>
17428 * mips.h (mips_output_conditional_branch): New function.
17429 (mips_adjust_insn_length): Likewise.
17430 (ASSEMBLER_SCRATCH_REGNUM): New macro.
17431 (ADJUST_INSN_LENGTH): Likewise.
17432 * mips.c (print_operand): Add `F' and `W' for floating-point
17433 comparison opcodes.
17434 (machine_dependent_reorg): Adjust MIPS16 code; instruction-lengths
17436 (mips_adjust_insn_length): New function.
17437 (mips_output_conditional_branch): New function.
17438 * mips.md (length): Adjust attribute definition to handle
17439 conditional branches. Change lengths to bytes, rather than
17440 instructions throughout. Remove length attribute from
17441 instructions whose length is four bytes, and rely on the default
17443 (dslot): Fix typo in comment.
17444 Reword conditional branch patterns to use
17445 mips_output_conditional_branch.
17447 Fri Jun 4 13:30:27 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
17449 * alpha/osf.h (CPP_SUBTARGET_SPEC): Handle -threads.
17450 (LIB_SPEC): Likewise.
17451 Link with -lprof1_r for -g/-pg.
17453 1999-06-04 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
17455 * loop.c (check_dbra_loop): Fix change of Jan 19.
17457 Fri Jun 4 00:12:40 1999 Marc Espie <espie@cvs.openbsd.org>
17459 * freebsd-elf.h (SWITCH_TAKES_ARG): Redefine, not define.
17460 (STARTFILE_SPEC): Define, override the svr4.h version.
17461 (ENDFILE_SPEC): Likewise.
17463 Thu Jun 3 23:58:55 1999 Jeffrey A Law (law@cygnus.com)
17465 * fixinc/inclhack.def (limits_ifndefs): Also apply to sys/limits.h
17466 * fixinc/fixincl.x: Regenerated.
17467 * fixinc/inclhack.sh: Regenerated.
17469 Fri Jun 4 05:42:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17471 * sh.c (barrier_align): Don't return early for normal branch/barrier
17472 when optimizing for SH2.
17474 Thu Jun 3 22:27:50 1999 Robert Lipe <robertlipe@usa.net>
17476 * i386/udk.h (LINK_SPEC): Correct linker search path for
17479 Fri Jun 4 03:20:40 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17481 * sh.c (fixup_addr_diff_vecs): Emit braf reference label.
17482 (braf_label_ref_operand): Delete.
17483 * sh.h (PREDICATE_CODES): Remove braf_label_ref_operand.
17484 * sh.md (casesi_jump_2): Operand1 is now the inside of a
17485 label_ref, and has no predicate.
17486 The patten has a predicate to guard against invalid substitutions.
17487 (dummy_jump): Delete.
17488 (casesi): Update use of casesi_jump_2.
17490 Thu Jun 3 07:48 1999 Bruce Korb <ddsinc09@ix.netcom.com>
17492 *fixinc/inclhack.def(Io_Def_Quotes): corrected sed expression
17493 *fixinc/fixincl.x: regenerate
17494 *fixinc/inclhack.sh: regenerate
17496 Thu Jun 3 02:15:07 1999 Jason Merrill <jason@yorick.cygnus.com>
17498 * dwarf2out.c (add_incomplete_type): New fn.
17499 (gen_struct_or_union_type_die): Call it.
17500 (retry_incomplete_types): New fn.
17501 (dwarf2out_finish): Call it.
17503 Thu Jun 3 01:19:03 1999 Jeffrey A Law (law@cygnus.com)
17505 * gcse.c (insert_insn_end_bb): Correct placement of insns when the
17506 current block starts with a CODE_LABEL and ends with a CALL and
17507 we can not find all the argument setup instructions for the CALL.
17509 Wed Jun 2 15:44:15 1999 Mark Mitchell <mark@codesourcery.com>
17511 Revert this change:
17512 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
17513 something is a candidate for optimize_bit_field_compare.
17515 Wed Jun 2 21:53:05 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17517 * sh.h (CONST_OK_FOR_I, CONST_OK_FOR_L): Cast VALUE to HOST_WIDE_INT.
17519 Wed Jun 2 12:25:55 1999 Richard Henderson <rth@cygnus.com>
17521 * alpha.c (override_options): Thinko in last patch.
17523 * alpha/osf.h (CPP_SUBTARGET_SPEC): Define.
17524 (LIB_SPEC): Recognize -pthread.
17526 Wed Jun 2 08:42:55 1999 Nick Clifton <nickc@cygnus.com>
17528 * config/arm/tcoff.h (USER_LABEL_PREFIX): Synchronise with
17529 definition in config/arm/coff.h
17530 * config/arm/coff.h: Add comment about USER_LABEL_PREFIX.
17532 Wed Jun 2 07:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
17534 * fixinc/fixincl.c(global def): Add FD_SHELL_SCRIPT to mark
17535 fixes that need "file=xxx\n" prepended before invocation
17536 (start_fixer - new): starting the fixer process is complex enough
17537 to warrent its own routine. It prepends the "file=xxx\n" stuff.
17538 (process): uses the new routine; omit usage of putenv()
17539 * fixinc/fixincl.tpl: mark shell scripts with FD_SHELL_SCRIPT
17540 * fixinc/fixincl.x: regenerate
17542 Wed Jun 2 02:29:07 1999 Jeffrey A Law (law@cygnus.com)
17544 * README, configure.in, gcc.1, gcc.texi: Update name (egcs -> gcc)
17545 and version #s (1.1 -> 2.96) as needed.
17546 * README.g77: Kill way out of date file in the toplevel directory.
17548 Wed Jun 2 00:52:34 1999 David O'Brien <obrien@FreeBSD.org>
17550 * configure.in (i[34567]86-*-freebsdelf): Don't include linux.h,
17551 i386/freebsd-elf.h no longer requires it. Instead include svr4.h.
17552 * configure: Rebuilt.
17553 * i386/freebsd-elf.h (DEFAULT_VTABLE_THUNKS): Define.
17554 (ASM_COMMENT_START, ASM_APP_ON, ASM_APP_OFF, SET_ASM_OP): Likewise.
17555 (PREFERRED_DEBUGGING_TYPE, WCHAR_UNSIGNED): Likewise.
17556 (SWITCH_TAKES_ARG): Likewise.
17557 * i386/freebsd.h: Remove FREEBSD_NATIVE support.
17558 * config/t-freebsd: Moved from config/i386/ so it can used for all
17561 Mon May 31 02:22:55 1999 Philippe De Muyter <phdm@macqel.be>
17563 * m68k/x-mot3300 (XCFLAGS): Fixed to match stb.o, not f/stb.o.
17565 Wed Jun 2 00:08:34 1999 Robert Lipe <robertlipe@usa.net>
17567 * configure.in (i[34567]86-*-udk*): Install headers with cpio.
17568 * configure: Rebuilt.
17570 Tue Jun 1 19:06:22 1999 David Edelsohn <edelsohn@gnu.org>
17572 * rs6000/aix41.h (RS6000_CALL_GLUE): Define.
17573 * rs6000/aix43.h (RS6000_CALL_GLUE): Likewise.
17574 * rs6000/rs6000.c (rs6000_file_start): Use putc.
17575 (rs6000_output_load_toc_table): Same.
17576 (output_prolog, output_mi_thunk): Same.
17577 * rs6000/rs6000.h (SELECT_SECTION): Formatting.
17578 (ASM_GLOBALIZE_LABEL): Use putc.
17580 Mon May 31 15:23:23 1999 Richard Henderson <rth@cygnus.com>
17582 * alpha.md (reload_*_help): New patterns and splitters.
17583 (reload_*): Use them.
17584 (mov[qh]i): Likewise.
17586 Mon May 31 11:48:07 1999 Mark Mitchell <mark@codesourcery.com>
17588 * cccp.c (handle_directive): Handle backslash-newlines in quoted
17591 Mon May 31 09:36:11 1999 Cort Dougan <cort@cs.nmt.edu>
17593 * rs6000/linux.h (LINK_SPEC): Use emulation elf32ppclinux.
17595 Mon May 31 11:40:20 EDT 1999 John Wehle (john@feith.com)
17597 * flow.c (mark_regs_live_at_end, insn_dead_p,
17598 mark_set_1, mark_used_regs): Only give FRAME_POINTER_REGNUM
17599 and HARD_FRAME_POINTER_REGNUM special treatment if reload
17600 hasn't run or the frame pointer is needed.
17601 * haifa-sched.c (attach_deaths): Likewise.
17602 * sched.c (attach_deaths): Likewise.
17604 Mon May 31 00:46:17 1999 Jeffrey A Law (law@cygnus.com)
17606 * jump.c (jump_optimize_1): Only set CAN_REACH_END if
17607 calculate_can_reach_end returns nonzero.
17609 * configure.in (native gas tests): Search for an assembler in the
17610 same manner that the installed compiler will.
17611 * configure: Rebuilt.
17612 * tm.texi (MD_EXEC_PREFIX): Note need to update configure.in too.
17614 * alias.c (find_base_term): Improve handling of addresses
17615 constructed from binary operations.
17617 Sun May 30 14:29:17 1999 Eric Raskin (ehr@listworks.com)
17619 * dgux.h (STARTFILE_SPEC): Fix incorrectly matched curly-braces.
17621 Sun May 30 14:19:13 1999 Jeffrey A Law (law@cygnus.com)
17623 * function.h (cleanup_label, frame_offset): Declare.
17624 (tail_recursion_label, tail_recursion_reentry): Likewise.
17625 (arg_pointer_save_area, rtl_expr_chain): Likewise.
17626 * stmt.c (cleanup_label, frame_offset): Delete extern declarations.
17627 (tail_recursion_label, tail_recursion_reentry): Likewise.
17628 (arg_pointer_save_area, rtl_expr_chain): Likewise.
17630 Sat May 29 19:08:10 1999 Philip Blundell <philb@gnu.org>
17632 * config/arm/aout.h (ASM_OUTPUT_ALIGN): Only define if not already
17634 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Define.
17635 (MAX_OFILE_ALIGNMENT): Define.
17637 Fri May 28 21:40 1999 Robert Lipe <robertlipe@usa.net>
17639 * fixincl.c: Replace local include scheme with #includes of
17640 gansidecl.h and system.h.
17641 * procopen.c: Likewise.
17642 * server.c: Likewise.
17644 Fri May 28 03:47:03 1999 Eric Raskin (ehr@listworks.com)
17646 * i386/t-dgux (EXTRA_PARTS): Add crti.o
17647 (crti.o): Add build rule and dependencies.
17648 * fixinc/fixinc.dgux: Use modified _int_varargs.h
17650 Fri May 28 03:41:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
17652 * rs6000/sysv4.h (CC1_SPEC): Add support for -profile
17653 (LIB_LINUX_SPEC): Likewise.
17654 (LIB_LINUX_SPEC): Add support for -pthread
17655 (CPP_OS_LINUX_SPEC): Likewise.
17656 (CPP_SYSV_SPEC): Avoid redefinitions if both -fpic and -fPIC are
17659 Thu May 27 13:04:52 1999 H.J. Lu (hjl@gnu.org)
17661 * i386.c (output_fp_cc0_set): Don't check the JUMP_INSN code for
17663 (notice_update_cc, output_float_compare): Enable TARGET_CMOVE support.
17664 (output_float_compare, output_fp_cc0_set): Fix the FLOAT comparison
17665 for IEEE math and CC_FCOMI.
17666 (put_jump_code): No IEEE if CC_FCOMI is set.
17668 1999-05-27 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
17670 * fold-const.c (fold_truthop): Make the field reference unsigned
17671 when converting a single bit compare.
17673 Thu May 27 02:40:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17675 * loop.c (strength_reduce): Don't do biv->giv conversion on constants.
17677 Thu May 27 02:09:27 1999 Jeffrey A Law (law@cygnus.com)
17679 * varasm.c (STRIP_NAME_ENCODING): Remove default definition.
17680 * output.h (STRIP_NAME_ENCODING): Strip '*' like the old varasm
17683 * reload.c (push_reload): Do not call remove_address_replacements
17684 when presented with identical optional reloads.
17686 Wed May 26 14:18:05 1999 Richard Henderson <rth@cygnus.com>
17688 * alpha.h (MASK_FIX, TARGET_FIX): New.
17689 (MASK_*): Reorganize constants.
17690 (CPP_AM_FIX_SPEC): New.
17691 (TARGET_SWITCHES): Add FIX.
17692 (EXTRA_SPECS): Likewise.
17693 (CPP_CPU_EV6_SPEC): Use FIX, not CIX.
17694 (SECONDARY_MEMORY_NEEDED): Likewise.
17695 (REGISTER_MOVE_COST): Likewise.
17696 * alpha.c (override_options): Add FIX support. Always use
17697 ALPHA_TP_PROG for ev6.
17698 * alpha.md (sqrt and mov[sd]i patterns): Use FIX, not CIX.
17699 * alpha/elf.h (ASM_FILE_START): Look at FIX too.
17700 * configure.in (target_cpu_default2) [ev6]: Use FIX, not CIX.
17702 Wed May 26 09:53:05 1999 Mark Mitchell <mark@codesourcery.com>
17704 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
17705 something is a candidate for optimize_bit_field_compare.
17707 Wed May 26 09:40:02 1999 Mark Mitchell <mark@codesourcery.com>
17709 * gcc.texi (Passes): Document branch-shortening.
17710 * invoke.texi (Debugging Options): Document the fact that `-dp'
17711 outputs length information for instructions.
17713 Wed May 26 08:49:31 1999 Nick Clifton <nickc@cygnus.com>
17715 * flow.c: Revert previous delta.
17717 Wed May 26 06:05:10 1999 Nick Clifton <nickc@cygnus.com>
17719 * flow.c (insn_dead_p): Check against frame_pointer_rtx not
17720 FRAME_POINTER_REGNUM.
17721 (mark_set_1): Ditto.
17722 (mark_used_regs): Ditto.
17724 Wed May 26 02:19:31 1999 Philip Blundell <pb@nexus.co.uk>
17726 * arm.h (NEED_PLT_GOT): Fix mistake in last change.
17727 (GOT_PCREL): New macro. Define to 1 if not already defined.
17728 * arm/elf.h (GOT_PCREL): Define to 0.
17729 * arm.c (arm_finalize_pic): Take into account the setting of
17732 Tue May 25 14:06:06 1999 Jeffrey A Law (law@cygnus.com)
17734 * output.h (STRIP_NAME_ENCODING): Provide default definition.
17735 * dwarf2out.c (ASM_NAME_TO_STRING): Use STRIP_NAME_ENCODING.
17737 * flow.c (mark_set_1): Do not record BLKmode stores as dead
17738 store elimination candidates.
17740 Tue May 25 08:55:57 1999 Gavin Romig-Koch <gavin@cygnus.com>
17742 * config/mips/mips.h (ASM_OUTPUT_DOUBLE_INT) : Use 'dword' if
17745 Mon May 24 20:30:08 1999 Jim Wilson <wilson@cygnus.com>
17747 * configure.in (rs6000-ibm-aix4.[12]*): Delete use of aix41-gld.h.
17748 Add use of x-aix41-gld.
17750 Mon May 24 16:44:09 1999 Jakub Jelinek <jj@ultra.linux.cz>
17752 * sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Define.
17753 (ASM_OUTPUT_DESTRUCTOR): Define.
17755 Mon May 24 14:35:24 1999 Jeffrey A Law (law@cygnus.com)
17757 * loop.c (strength_reduce): Do not clear NOT_EVERY_ITERATION at the
17758 last CODE_LABEL in a loop if we have previously passed a jump
17759 to the top of the loop.
17761 Mon May 24 07:56:29 1999 Nick Clifton <nickc@cygnus.com>
17763 * config/arm/arm.h (OUTPUT_INT_ADDR_CONST): Fix blunder made when
17764 applying Philip's patch.
17766 Mon May 24 01:02:12 1999 Mark Mitchell <mark@codesourcery.com>
17768 * stmt.c (expand_end_bindings): Ignore any elements of VARS that
17771 Sun May 23 20:31:16 1999 Jeffrey A Law (law@cygnus.com)
17773 * loop.c (strength_reduce): Grow reg_single_usage as needed.
17775 Sun May 23 10:13:20 1999 David O'Brien <obrien@FreeBSD.org>
17777 * i386/freebsd-elf.h (LINK_SPEC): Change -static to -Bstatic.
17778 Also remove a useless comment.
17780 Sun May 23 10:05:23 1999 Jerry Quinn <jquinn@nortelnetworks.com>
17782 * pa.md (negdf2,negsf2): Use fneg instead of fsub on pa 2.0.
17784 Sat May 22 21:02:06 1999 David Edelsohn <edelsohn@gnu.org>
17786 * collect2.c (main): Only generate import or export file and add
17787 to link arguments if non-empty. Use xmalloc not alloca.
17788 (write_{export,import}_file): Delete.
17789 (write_aix_file): New function.
17790 (locatelib): Use xmalloc not malloc.
17791 (GCC_OK_SYMBOL): Do not check type if aix64.
17793 Sat May 22 09:35:51 1999 Philip Blundell <pb@nexus.co.uk>
17795 Based on patch by Scott Bambrough and Pat Beirne:
17796 * config/arm/arm.c (making_const_table): New variable.
17797 * config/arm/arm.h (making_const_table): Declare.
17798 (OUTPUT_INT_ADDR_CONST): Mark symbols as position independent if
17800 * config/arm/arm.md (consttable_4, consttable_8, consttable_end):
17801 Keep track of when we are building the constant table.
17803 Sat May 22 09:34:22 1999 Philip Blundell <pb@nexus.co.uk>
17805 * config/arm/arm.c (arm_override_options): Fix erroneous warning
17808 Sat May 22 09:06:33 1999 Nick Clifton <nickc@cygnus.com>
17810 * config/arm/arm.h (NEED_PLT_GOT): Only define if not already
17813 Sat May 22 07:17:05 1999 Nick Clifton <nickc@cygnus.com>
17815 * tm.texi (FUNCTION_ARG): Correct description of a stack element
17818 Sat May 22 01:27:49 1999 Mark Mitchell <mark@codesourcery.com>
17820 * expr.h (lang_expand_constant): Guard with #ifdef TREE_CODE.
17822 Fri May 21 21:19:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
17824 * rs6000.c (output_mi_thunk): Enable full support again.
17826 Fri May 21 20:09:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17828 * sh.h (BRANCH_COST): Define.
17830 Thu May 20 10:00:42 1999 Stephen L Moshier <moshier@world.std.com>
17832 * Makefile.in (GCC_FOR_TARGET): Add -I$(build_tooldir)/include.
17834 Thu May 20 09:58:57 1999 Jan Hubicka <hubicka@freesoft.cz>
17836 * function.c (assign_stack_local): Align stack slot propertly.
17837 (assign_outer_stack_local): Likewise.
17839 Thu May 20 10:38:43 1999 Mark Mitchell <mark@codesourcery.com>
17841 * expr.h (lang_expand_constant): Declare.
17842 * toplev.c (lang_expand_constant): Define it.
17843 * varasm.c (output_constant): Use it.
17845 Thu May 20 11:28:53 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17847 * optabs.c (expand_cmplxdiv_straight, expand_cmplxdiv_wide):
17848 Change function definitions to K&R style.
17850 Thu May 20 08:16:39 1999 Bruce Korb <ddsinc09@ix.netcom.com>
17852 * fixinc/fixincl.c: We must not ignore SIGCLD now.
17854 Thu May 20 07:06:39 1999 Alexandre Oliva <aoliva@acm.org>
17856 * fixinc/Makefile.in(gnu-regex.o): add $(INCLUDES) to compile options
17857 * fixinc/fixincl.c(wait_for_pid): K&R-ify arguments
17858 (several places): omit static initialization
17859 (process): use single fd, since only the read fd is used
17860 * fixinc/gnu-regex.c: define 'const' away, if not supported
17861 * fixinc/procopen.c(several places): omit static initialization
17862 * fixinc/server.c: define 'volitile' away, if not supported
17864 1999-05-20 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
17866 * config/dbxcoff.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Use
17867 asm_fprintf and %L to generate the label name.
17868 * config/dbxelf.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Likewise.
17869 (ASM_OUTPUT_SOURCE_LINE): Correct generation of internal labels.
17871 Thu May 20 01:40:55 1999 Jeffrey A Law (law@cygnus.com)
17873 * jump.c (can_reverse_comparison_p): Do not abort if the comparison
17874 insn for a conditional jump can not be found.
17876 Wed May 19 23:58:58 1999 Jeffrey A Law (law@cygnus.com)
17878 * mips.h (ENCODE_SECTION_INFO): Do not perform GP optimizations
17879 on variables in specific sections other than .sbss and .sdata.
17881 Wed May 19 03:56:56 1999 Mark Mitchell <mark@codesourcery.com>
17883 * stmt.c (expand_return): Call start_cleanup_deferral and
17884 end_cleanup_deferral around conditional code.
17886 Wed May 19 08:40:08 1999 Bruce Korb <ddsinc09@ix.netcom.com>
17888 * fixinc/fixincl.tpl: Avoid depending on ANSI C features for
17889 filename lists. Utilizes new "krstr" AutoGen function.
17890 * fixinc/fixincl.x: Rebuilt.
17892 Wed May 19 02:47:11 1999 Jan Hubicka (hubicka@freesoft.cz)
17894 * i386.c (output_float_compare): Avoid GNU-C extensions.
17896 Wed May 19 00:34:40 1999 Jeffrey A Law (law@cygnus.com)
17898 * version.c: Bump to distinguish mainline tree from the
17901 See ChangeLog.1 for earlier changes.