1 2000-02-07 Dmitri Makarov <dim@wrs.com> & Bernd Schmidt <bernds@redhat.com>
3 * config/arm/arm.c (arm_init_cumulative_args); New function:
4 Initlaise the CUMULATIE_ARGS strcuture for a function
6 (arm_function_arg): New function: Determine where to place a
7 function's argument. Also handles deciding the function's
9 (current_file_function_operand): New function: Return true if
10 the symbol is a function which has already been compiled.
11 (arm_is_long_call_p): New function: Return true if the
12 indicated function should be called via a long call.
13 (arm_valid_type_attribute_p): New function: Return true if the
14 attribute is a valid, arm specific, attribute.
15 (arm_comp_type_attribute): New function: Return true if the
16 two types have compatable, arm specific, attributes.
18 * config/arm/arm.h (CUMULATIVE_ARGS): Redefine to be a
20 (FUNCTION_ARG): Redefine to call arm_function_arg.
21 (FUNCTION_ARG_PARTIAL_NREGS): Redefine to use correct
23 (INIT_CUMULATIVE_ARGS): Redefine to call
24 arm_init_cumulative_args.
25 (FUNCTION_ARG_ADVANCE): Redefine to use correct structure
27 (SETUP_INCOMING_VARARGS): Redefine to use correct structure
29 (ARM_MARK_NEARBY_FUNCTION): New macro: Mark already compiled
31 (ENCODE_SECTION): Add call to ARM_MARK_NEARBY_FUNCTION.
32 (VALID_MACHINE_TYPE_ATTRIBUTE): Define.
33 (COMP_TYPE_ATTRIBUTES): Define.
35 * config/arm/arm.md (call): Call arm_is_long_call_p to decide
36 if a long call is needed.
37 (call_value): Call arm_is_long_call_p to decide if a long call
39 (call_symbol): Call arm_is_long_call_p to decide if a long call
42 * config/arm/arm-protos.h: Add prototype for arm_is_long_call_p.
44 2000-02-11 Denis Chertykov <denisc@overta.ru>
46 * README.AVR: New file with information about the avr ports.
47 * config/avr: New directory with avr port files.
49 2000-02-11 Andreas Jaeger <aj@suse.de>
51 * fixinc/Makefile.in (FIXINC_DEFS): Remove unneeded @fixinc_defs@.
53 2000-02-11 Zack Weinberg <zack@wolery.cumb.org>
55 * cpphash.c: Fix formatting, update commentary.
56 (dump_definition): Take three separate arguments instead of a
57 MACRODEF structure argument.
58 * cpphash.h: Update prototype of dump_definition.
59 * cppinit.c (cpp_finish): Update call of dump_definition.
61 * cpplib.c (do_define): Always create new hash entry with
62 T_MACRO type. Remove redundant check for redefinition of
63 poisoned identifier. Update call of dump_definition.
64 (do_undef): Don't call check_macro_name. Rename sym_length to
66 (do_error, do_warning): Don't use copy_rest_of_line or
68 (do_warning): Don't use pedwarn for the actual warning,
69 only the notice about its not being in the standard. (Fixes
70 bug with #warning in system headers.)
71 (do_ident): Stricter argument checking - accept only a single
72 string after #ident. Also, macro-expand the line.
73 (do_xifdef): Use cpp_defined. De-obfuscate.
75 (do_pragma): Split out specific pragma handling to separate
76 functions. Use get_directive_token. Update commentary. Do
77 not pass on #pragma once or #pragma poison to the front end.
78 (do_pragma_once, do_pragma_implementation, do_pragma_poison,
79 do_pragma_default): New.
81 Feb 11 12:30:53 2000 Jeffrey A Law (law@cygnus.com)
83 * jump.c (jump_optimize_1): The first operand in a relational
85 * optabs.c (emit_conditional_move): Handle relationals which
86 have a known true/false result.
88 2000-02-11 Geoff Keating <geoffk@cygnus.com>
90 * function.c (thread_prologue_and_epilogue_insns): Don't insert
91 a RETURN insn into a block which already ends with a jump.
93 2000-02-11 Geoff Keating <geoffk@cygnus.com>
95 * haifa-sched.c (BUF_LEN): Increase a lot.
97 2000-02-11 Nick Clifton <nickc@cygnus.com>
99 * configure.in: Add tm_p_file specification for thumb targets.
100 * configure: Regenerate.
102 * config/arm/thumb-protos.h: New file: Prototypes for exported
103 functions defined in thumb.c.
105 2000-02-11 Robert Lipe <robertl@sco.com>
107 * Makefile.in (bootstrap-lean): Remove additional files.
108 (bootstrap2-lean): Likewise.
109 (VOL_FILES): List of files for above.
111 2000-02-11 Nathan Sidwell <nathan@acm.org>
113 * cpphash.c (special_symbol): Remove spurious argument to
116 2000-02-11 Joel Sherrill (joel@OARcorp.com>
118 * configure.in: (i*86-*-rtems*): Swapped elf and coff
120 * configure: Rebuilt.
122 2000-02-11 Rodney Brown <RodneyBrown@pmsc.com>
124 * pa-protos.h: Wrap function_arg_padding in TREE_CODE #ifdef.
126 Fri Feb 11 02:59:05 2000 Jeffrey A Law (law@cygnus.com)
128 * pa.c, pa.h: Remove trigraph sequences within comments.
130 Fri Feb 11 02:51:56 2000 Pavel Roskin <pavel_roskin@geocities.com>
132 * invoke.texi (PPC Options): -mno-new-mnenomics -> -mold-mnemonics.
134 Fri Feb 11 02:48:30 2000 Brad Lucier (lucier@math.purdue.edu)
136 * sbitmap.h: Make SBITMAP_ELT_BITS unsigned.
138 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
140 * config/c4x/c4x.c (fp_zero_operand): Check for CONST_DOUBLE.
142 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
144 * config/c4x/c4x.h (ASM_GLOBALIZE_LABEL): Use c4x_global_label.
145 (ASM_OUTPUT_EXTERNAL): Use c4x_external_ref.
146 (ASM_OUTPUT_EXTERNAL_LIBCALL): Likewise.
147 (ASM_FILE_END): Use c4x_file_end.
148 * config/c4x/c4x.c (c4x_global_label): New function.
149 (c4x_external_ref, c4x_file_end): Likewise.
151 * config/c4x/c4x-protos.h (c4x_global_label): Add prototype.
152 (c4x_external_ref, c4x_end_file): Likewise.
154 2000-02-10 Zack Weinberg <zack@wolery.cumb.org>
156 * cppexp.c: Don't include cpphash.h.
157 (parse_charconst, cpp_lex): Use cpp_defined.
158 (cpp_lex): Use get_directive_token throughout. Remove
159 unnecessary cases from switch. Move assertion-handling code
161 (cpp_parse_expr): If we see '+' or '-', check the context to
162 determine if they are unary or binary operators. Streamline
163 the jumps a bit. Do not call skip_rest_of_line.
165 * cpplib.c: Make skip_rest_of_line and cpp_skip_hspace
166 static. Export get_directive_token. Update commentary.
167 (cpp_defined): New function.
168 (do_define): Remove reference to T_PCSTRING. Call
169 free_definition to release memory for old definition, when
171 (eval_if_expression): Set only_seen_white to 0 before calling
172 cpp_parse_expr. Call skip_rest_of_line after it returns.
173 (cpp_read_check_assertion): Don't preserve a pointer into the
174 token buffer across a call to cpp_get_token.
176 * Makefile.in (cppexp.o): Don't depend on cpphash.h.
177 * cppfiles.c (redundant_include_p): Use cpp_defined.
178 * cpphash.c (free_definition): New function.
179 (delete_macro): Use it. Update commentary.
180 * cpphash.h: Typedef HASHNODE here. Prototype cpp_lookup and
182 * cpplib.h: Don't typedef HASHNODE here. Delete T_PCSTRING
183 from enum node_type. Prototype cpp_defined and get_directive_token.
184 Don't prototype cpp_lookup, skip_rest_of_line, or cpp_skip_hspace.
186 * fix-header.c (check_macro_names): Use cpp_defined.
187 (read_scan_file): Set inhibit_warnings and inhibit_errors in
188 the options structure.
190 2000-02-10 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
192 * c-pragma.c (maximum_field_alignment): Remove duplicate declaration.
194 2000-02-10 Jason Merrill <jason@casey.cygnus.com>
196 * dwarf2out.c (add_abstract_origin_attribute): Check TREE_CODE (origin)
197 rather than die->die_tag.
199 Thu Feb 10 16:26:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
201 * combine.c (make_extraction, force_to_mode): Avoid warning on
202 mixed-signedness conditionals.
203 (make_field_assignment, nonzero_bits): Likewise.
204 * expmed.c (store_fixed_bit_field): ALIGN arg now unsigned.
205 (store_split_bit_field, extract_split_bit_field): Likewise.
206 (extract_fixed_bit_field, store_bit_field,
207 * expr.c: Change alignment to be unsigned everywhere.
208 (move_by_pieces, store_constructor_field, store_constructor):
209 Alignment parm is unsigned.
210 (emit_block_move, emit_group_load, emit_group_store): Likewise.
211 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
212 (do_compare_rtx_and_jump): Likewise.
213 (move_by_pieces_ninsns, clear_by_pieces): Likewise.
214 Compare align with GET_MODE_ALIGNMENT.
215 (expand_expr_unaligned): Pointer to alignment is pointer to unsigned.
216 (get_inner_reference): Likewise.
217 (copy_blkmode_from_reg, emit_push_insn): Remove unneeded casts.
218 (expand_assignment): Local vars for alignment now unsigned.
219 (store_constructor, store_field, expand_expr, do_jump): Likewise.
220 (do_compare_and_jump): Likewise.
221 (store_field): Call new function expr_align.
222 * expr.h (emit_block_move, emit_group_load, emit_group_store):
223 Alignment arg now unsigned.
224 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
225 (do_compare_rtx_and_jump, store_bit_field): Likewise.
226 (extract_bit_field): Likewise.
227 * fold-const.c (add_double): Add cast to eliminate signedness warning.
228 * machmode.h (GET_MODE_ALIGNMENT): Result is unsigned.
229 (get_best_mode): Alignment arg is unsigned.
230 * rtl.h (move_by_pieces): Likewise.
231 * store-layout.c (maximum_field_alignment, set_alignment):
233 (layout_decl): Alignment arg is now unsigned.
234 Remove unneeded casts.
235 (layout_record, layout_union, layout_type): Remove unneeded casts.
236 Local alignment variables now unsigned.
237 (get_best_mode): Alignment arg now unsigned.
238 * tree.c (expr_align): New function.
239 * tree.h (expr_align): Likewise.
240 (maximum_field_alignment, set_alignment): Now unsigned.
241 (get_inner_reference): Alignment argument is now pointer to unsigned.
242 * varasm.c (assemble_variable): Add cast to eliminate warning.
244 Thu Feb 10 12:56:47 2000 Jim Wilson <wilson@cygnus.com>
246 * expmed.c (store_bit_field): If op0 and fieldmode are the same size,
247 then store directly into op0.
249 * calls.c (expand_call): When emitting a NOTE_INSN_SETJMP, search for
250 the CALL_INSN, and emit the note immediately after it.
252 2000-02-10 Nick Clifton <nickc@cygnus.com>
254 * config/arm/thumb.md (epilogue): Include a (return) in the
255 generated insn, and emit it using emit_jump_insn not
258 Thu Feb 10 18:28:59 MET 2000 Jan Hubicka <jh@suse.cz>
260 * function.c (assign_temp): Change zero-sized arrays to size 1.
261 * integrate.c (expand_inline_function): Do not update
262 stack_alignment_needed
263 * i386.c (compute_frame_size): Remove #ifdef PREFERRED_FRAME_BOUNDARY,
264 add some sanity checking, remove optimization for function with
267 2000-02-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
269 * flow.c (mark_regs_live_at_end): Delete unused variables.
271 * ggc-page.c (ggc_page_print_statistics): bzero -> memset.
273 * integrate.c (copy_rtx_and_substitute): Wrap variable `alignment'
274 in macro FRAME_GROWS_DOWNWARD.
276 * stmt.c (expand_end_bindings): Delete unused variable.
278 * unroll.c (iteration_info): Mark parameter `loop' with
281 2000-02-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
283 * fixinc/server.c (load_data): Return NULL if the marker line is
285 (run_shell): If load_data returns NULL, retry the command once, in
288 * configure: Rebuilt.
290 2000-02-09 Bruce Korb <bkorb@gnu.org>
292 * gcc/fixincludes: ** DELETED **
293 * gcc/fixcpp: ** DELETED **
294 * gcc/fixinc-nt.sed: ** DELETED **
295 * gcc/just-fixinc: ** DELETED **
296 * gcc/Makefile.in: Removed out-dated commentary
297 * gcc/configure.in: Removed fast-fixincludes disablement.
298 * MAINTAINERS(Ian Taylor) moved to "Write after approval" group.
300 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
301 * function.c (thread_prologue_and_epilogue_insns): Uncomment
304 2000-02-09 Richard Henderson <rth@cygnus.com>
306 * jump.c (delete_insn): Don't delete user labels at -O0.
308 2000-02-09 Robert Lipe <robertl@sco.com>
310 * Makefile.in (gen-protos): Don't depend on HOST_LIBDEPS.
311 Don't link with HOST_LIBS.
313 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
315 * configure.in: Correct --help text for --with-dwarf2.
316 Put tm-dwarf2.h after other tm files, if it's requested.
317 * configure: Regenerate.
318 * config/tm-dwarf2.h: #undef PREFERRED_DEBUGGING_TYPE before
321 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
323 * cpplib.h: Provide HASHNODE typedef and forward decl of
324 struct hashnode only. Kill cpp_hashnode typedef. MACRODEF,
325 DEFINITION, struct hashnode, struct macrodef, struct
326 definition, scan_decls prototype, default defn of
327 INCLUDE_LEN_FUDGE moved elsewhere.
329 * cpphash.h: MACRODEF, DEFINITION, struct macrodef, struct
330 definition, and struct hashnode moved here. Remove the unused
331 'predefined' field from struct definition. Replace the 'args'
332 union with its sole member. All users updated (cpphash.c).
333 Delete HASHSTEP and MAKE_POS macros, and hashf prototype. Add
334 multiple include guard.
336 * cpphash.c (hashf): Make static; use better algorithm; drop
337 HASHSIZE parameter; return an unsigned int.
338 (cpp_lookup): Drop HASH parameter. PFILE parameter is
339 used. Calculate HASHSIZE modulus here.
340 (cpp_install): Drop HASH parameter. Calculate HASHSIZE modulus
342 (create_definition): Drop PREDEFINITION parameter.
343 * cpplib.c (do_define): Don't calculate a hash value here.
344 Don't pass (keyword == NULL) to create_definition.
346 * scan.h: Prototype scan_decls here.
347 * cppfiles.c: Move INCLUDE_LEN_FUDGE default defn here.
348 * cppexp.c, cppfiles.c, cppinit.c, cpplib.c, fix-header.c: All
349 callers of cpp_lookup and cpp_install updated.
351 * cpphash.c (macarg): Hoist all the flag diddling out of the
353 (macroexpand): ... and out of the loop that calls macarg.
354 Skip over the initial paren before macro arguments with
355 cpp_get_non_space_token; point may be some distance before
356 that paren. Abort if it's not there.
358 * cpplib.c (parse_clear_mark): Delete function.
359 (parse_set_mark, parse_goto_mark): Make static.
360 (ACTIVE_MARK_P): New macro.
361 (skip_block_comment, skip_line_comment): Do not bump the line
362 if ACTIVE_MARK_P is true.
363 (cpp_pop_buffer): The buffer to be popped may not have an
365 (cpp_get_token): When looking for the initial paren before
366 macro arguments, only set a mark in a file buffer, Always
367 return to that mark before proceeding to call macroexpand or
370 * cpplib.h: Remove prototypes of parse_set_mark,
371 parse_clear_mark, parse_goto_mark.
372 (struct cpp_options): Rename 'put_out_comments' to
373 'discard_comments' and invert its sense.
374 * cppinit.c, cpphash.c, cpplib.c: All users of
375 put_out_comments changed to use discard_comments, with
378 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
380 * function.c (thread_prologue_and_epilogue_insns): Don't delete
381 the edge from a block that both jumps and falls through to the
384 2000-02-09 Scott Bambrough <scottb@netwinder.org>
386 * config/arm/arm.md (movsi): In PIC mode, make sure that a
387 constant source address is legitimate.
389 2000-02-09 Philip Blundell <pb@futuretv.com>
391 * config/arm/arm.c (legitimize_pic_address): Handle LABEL_REF
394 * config/arm/arm.h (LEGITIMATE_CONSTANT_P): Allow anything when
396 (LEGITIMATE_PIC_OPERAND): Disallow references to labels.
398 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
400 * cpplib.c (cpp_define, cpp_undef): Make sure the stacked buffer
401 ends with a newline and a NUL. Don't be so clever manipulating
404 Wed Feb 9 14:18:08 MET 2000 Jan Hubicka <jh@suse.cz>
406 * reload1.c (reload) Align stack frame to cfun->stack_alignment_needed,
407 not to BIGGEST_ALIGNMENT.
409 2000-02-08 Geoff Keating <geoffk@cygnus.com>
411 * dwarf2.h (DW_CFA_GNU_negative_offset_extended): New constant.
412 * dwarf2out.c (dwarf_cfi_name): Print name of new constant.
413 (reg_save): Use DW_CFA_GNU_negative_offset_extended when needed.
414 (output_cfi): Handle output of DW_CFA_GNU_negative_offset_extended.
415 * frame.c (execute_cfa_insn): Handle
416 DW_CFA_GNU_negative_offset_extended.
418 2000-02-08 Richard Henderson <rth@cygnus.com>
420 * flow.c (tidy_fallthru_edges): Split out from ...
421 (delete_unreachable_blocks): ... here.
422 (find_basic_blocks): Use it.
424 Tue Feb 8 15:51:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
426 * stmt.c (expand_decl): Do set RTX_UNCHANGING_P for TREE_READONLY.
428 2000-02-08 Zack Weinberg <zack@wolery.cumb.org>
430 * Makefile.in (GEN_PROTOS_OBJS): Remove libcpp.a.
431 (gen_protos.o): Don't depend on cpplib.h or cpphash.h.
432 (fix-header.o): Don't depend on cpphash.h.
434 * scan.c (hashstr): New function.
435 * scan.h: Prototype it.
436 * fix-header.c: Don't include cpphash.h. Use hashstr.
437 * gen-protos.c: Don't include cpphash.h or cpplib.h. Use
438 hashstr. Report hash table statistics. Add private
439 definition of xrealloc.
441 2000-02-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
443 * i386.h (TARGET_SWITCHES): Fix typo in option name.
445 2000-02-08 Clinton Popetz <cpopetz@cygnus.com>
447 * function.c (thread_prologue_and_epilogue_insns): Don't replace
448 jumps with returns unless they are jumps to the fallthru block.
450 Tue Feb 8 07:53:55 2000 Jan Hubicka <jh@suse.cz>
452 * i386.md (addqi3_cc): Fix contraints.
454 Tue Feb 8 01:39:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
456 * function.c (emit_return_into_block): Wrap in #ifdef HAVE_return.
458 2000-02-07 Mark Mitchell <mark@codesourcery.com>
460 * cpplib.c (cpp_get_token): Call CPP_BUMP_LINE after reading a
461 carriage return after a macro name.
463 2000-02-07 Fred Fish <fnf@be.com>
465 * i386/beos-elf.h: (ASM_IDENTIFY_GCC): Define to nothing
466 so the gcc2_compiled symbol doesn't confuse BeOS debuggers.
468 2000-02-07 Zack Weinberg <zack@wolery.cumb.org>
470 * cppfiles.c (deps_output): Count spacers in deps_column.
472 2000-02-07 Neil Booth <NeilB@earthling.net>
474 * cppinit.c (initialize_dependency_output): If there is no
475 suffix, don't try to look for known suffixes. Use strrchr.
476 (cpp_start_read): Remove duplicate initialization.
478 Mon Feb 7 18:36:41 MET 2000 Jan Hubicka <jh@suse.cz>
480 * calls.c (compute_argument_block_size): New argument
481 preferred_stack_boundary.
482 (expand_call): update cfun->preferred_stack_boundary, update call of
483 compute_argument_block_size
484 (emit_library_call): Increate cfun->preferred_stack_boundary
485 to PREFERRED_STACK_BOUNDARY
486 (emit_library_call_value): Likewise.
487 * explow.c (allocate_dynamic_stack_spave): Likewise.
488 * function.c (prepare_function_start): Set
489 cfun->preferred_stack_boundary
490 * function.h (struct function): Add preferred_stack_boundary field.
491 * integrate.c (expand_inline_function): Update
492 cfun->preferred_stack_boundary and cfun->stack_alignment_needed.
493 (copy_rtx_and_substitute): Align frame to stack_alignment_needed only.
494 * i386.c (compute_frame_size): Use cfun->preferred_stack_boundary.
496 2000-02-06 Zack Weinberg <zack@wolery.cumb.org>
498 * cpplib.c (my_strerror, cpp_error, cpp_error_with_line,
499 cpp_error_from_errno, cpp_warning, cpp_warning_with_line,
500 cpp_pedwarn, cpp_pedwarn_with_line,
501 cpp_pedwarn_with_file_and_line): Move to cpperror.c.
502 (cpp_print_file_and_line, v_cpp_error, v_cpp_warning,
503 v_cpp_error_with_line, v_cpp_warning_with_line,
504 cpp_message_from_errno, cpp_perror_with_name): Delete.
506 * cpperror.c (cpp_print_containing_files): Take starting
508 (cpp_file_line_for_message): Rename to cpp_print_file_and_line.
509 (v_cpp_message): Now called directly by all entry points.
511 (cpp_pfatal_with_name, cpp_message): Delete.
512 (cpp_notice_from_errno, cpp_ice): New functions.
513 (cpp_notice): Is now for reporting error conditions, just
514 without an associated file.
515 (cpp_error, cpp_error_with_line): Don't do anything if
516 opts->inhibit_errors is on.
517 (cpp_pedwarn_with_file_and_line): Take column argument also.
519 * cpplib.h: Update prototypes of exported functions.
520 (struct cpp_options): Add inhibit_errors.
522 * cppalloc.c, cppfiles.c: Use fprintf not cpp_notice for
523 non-error messages. Include intl.h.
525 * cppinit.c, cppmain.c: Likewise. Also, use
526 cpp_notice_from_errno instead of cpp_perror_with_name or
527 cpp_pfatal_with_name, and cpp_notice instead of cpp_message.
529 * cppexp.c, cpphash.c, cppinit.c, cpplib.c: Use cpp_ice to
530 report internal errors.
532 * cpplib.c (do_define): Switch bcopy to memcpy.
533 Give cpp_pedwarn_with_file_and_line a dummy column argument.
535 * cpplib.c (copy_rest_of_line): Revert previous change: don't
536 bail out early if we hit a line comment.
538 2000-02-06 Richard Henderson <rth@cygnus.com>
540 * flow.c (flow_delete_insn, make_edge, remove_edge): Export.
541 * basic-block.h: Declare them.
542 * emit-rtl.h (active_insn_p): New.
543 (next_active_insn, prev_active_insn): Use it.
545 * function.c (emit_return_into_block): New.
546 (thread_prologue_and_epilogue_insns): Insert return insns instead
547 of epilogues when possible.
548 * jump.c (jump_optimize_1): Remove code to insert a return insn
549 on the fallthru to the exit block.
551 * i386.c (ix86_can_use_return_insn_p): Fail for large poped args
552 and for non-empty stack frames.
553 * i386.md (return): Expand to return-pop as needed.
555 2000-02-06 Richard Henderson <rth@cygnus.com>
557 * simplify-rtx.c (simplify_relational_operation): Canonicalize
558 constant to op1 for testing.
560 2000-02-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
562 * config/c4x/c4x.md (*ldi_on_overflow): New pattern.
563 (fixuns_truncqfqi2): Use it.
565 2000-02-06 Richard Henderson <rth@cygnus.com>
567 * i386.c (ix86_agi_dependant): Handle pro_epilogue_adjust_stack
570 * i386.md (widening and peepholes): Mask the constant instead of
573 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
575 * cppfiles.c (read_and_prescan) [case SPECCASE_QUESTION]: Bump
576 input pointer before possibly branching off to the backslash
578 * cpphash.c (macroexpand): Correctly delete \r escapes when
579 stringifying parameters.
580 * cpplib.c (copy_rest_of_line): Go directly to skip_block_comment
581 if we can; bail out early if we hit a line comment.
582 (handle_directive): Treat '# 123' in an .S file just like
583 '# <punctuation>'. Discard the shifted '#' if we hit '#\n'.
584 Return 1 for '# not_a_directive'.
585 (get_directive_token): Pop macro buffers here, so that
586 cpp_get_token can't sneakily move past a newline.
588 (cpp_get_token): goto randomchar if handle_directive returns 0.
590 * cppalloc.c: Update copyright.
591 * cpplib.c: Merge all the static function prototypes into one
593 * cpplib.h: Remove #if 0 block.
595 * cpperror.c: Remove #ifdef EMACS block.
596 * cppmain.c: Likewise.
597 * cpphash.c: Remove #if 0 blocks.
598 * cppinit.c: Remove #if 0 blocks, and the -lint option.
599 * cpplib.c: Remove #if 0 blocks and code referencing
600 pcp_inside_if or for_lint. Remove duplicate error message.
601 Fix error messages for #else after #else or #elif. Reformat.
602 Remove archaic TODO list.
603 * cpplib.h: Remove pcp_inside_if and for_lint flags.
605 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
607 * i386/osf1elf.h: Add missing backslash to multiline string.
609 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
611 * longlong.h [sparc] (udiv_qrnnd): Avoid stringifying macro arg.
613 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
615 * Makefile.in (c-common.o): Depend on $(EXPR_H).
617 * c-common.c: Include expr.h.
619 * c-pragma.c (mark_align_stack): Add prototype.
621 * caller-save.c (add_stored_regs): Likewise.
623 * combine.c (record_promoted_value): Likewise.
625 * i386.c (ix86_sched_reorder_pentium, ix86_sched_reorder_ppro):
628 * cppinit.c (new_pending_define): Likewise.
630 * cpplib.c (skip_block_comment, skip_line_comment): Likewise.
632 * dwarf2out.c (save_rtx, splice_child_die, reverse_die_lists,
633 AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
634 AT_addr, AT_lbl, get_AT_ref, free_AT, free_die, local_scope_p,
635 class_scope_p): Likewise.
637 * dwarf2out.h (dwarf2out_set_demangle_name_func,
638 dwarf2out_add_library_unit_info): Likewise.
640 * ggc.h (ggc_page_print_statistics): Likewise.
642 * haifa-sched.c (propagate_deps): Likewise.
644 * reg-stack.c (next_flags_user, record_label_references): Likewise.
646 * rtl.h (set_stack_check_libfunc): Likewise.
648 * toplev.h (set_fatal_function): Likewise.
650 * toplev.c (set_fatal_function): Delete prototype.
652 * diagnostic.c: Deconstify functions returning malloc'ed ptrs.
654 2000-02-05 Geoff Keating <geoffk@cygnus.com>
656 * ginclude/ppc-asm.h (FUNC_START): Use USER_LABEL_PREFIX.
657 (FUNC_END): Likewise.
659 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
661 * caller-save.c: Include tm_p.h.
663 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
665 * Makefile.in (libgcc.a): Add $(LIBGCC1) to libgcc.a after $(LIBGCC2).
667 2000-02-04 Neil Booth <NeilB@earthling.net>
669 * cccp.c (main): Check 'dir' for a NULL pointer before passing
672 2000-02-04 Zack Weinberg <zack@wolery.cumb.org>
674 * recog.h: Remove NO_MD_PROTOTYPES ifdefs.
675 * genflags.c: Use the max_operand_1 logic from genemit.c to
676 calculate how many arguments gen_insn prototypes have. Remove
677 NO_MD_PROTOTYPES ifdefs from the generated file.
678 * genoutput.c: Don't define NO_MD_PROTOTYPES in the generated
679 file. Cast gen_insn initializers to insn_gen_fn.
680 * config/alpha/vms.h: Don't define NO_MD_PROTOTYPES.
681 * gcc.texi: Remove documentation of NO_MD_PROTOTYPES.
683 2000-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
685 * fixinc/Makefile.in (HDR): Add machname.h.
688 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
690 * config/c4x/c4x.h (c4x_compare_op0, c4x_compare_op1): Move ...
691 (c4x_regclass_map, c4x_caller_save_map, c4x_rpts_cycles): Ditto.
692 (c4x_cpu_version): Ditto.
693 * config/c4x/c4x-protos.h: ... here.
695 2000-02-04 Jason Merrill <jason@casey.cygnus.com>
697 * dwarf2out.c (add_abstract_origin_attribute): Don't call
698 gen_abstract_function on our context if we're a nested function.
700 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
702 * config/c4x/c4x.md (fixuns_truncqfqi2): Rewrite.
703 * config/c4x/libgcc.S (ufix_truncqfhi2n): Fix.
705 2000-02-04 Bruce Korb <bkorb@gnu.org>
707 * fixinc/genfixes(machname.h):
708 Move the functionality from gen-machine.h into this file.
709 UNdef MN_NAME_PAT if there are no names to change.
710 Also, be a little kinder when AutoGen is not present.
712 * fixinc/Makefile.in(machname.h):
713 Change the generation rule to use genfixes.
715 * fixinc/fixfixes.c(machine_name):
716 machine_name_fix's functionality now dependent upon whether
717 MN_NAME_PAT is defined.
719 * fixinc/fixtests.c(machine_name):
722 * fixinc/fixlib.c(mn_get_regexps): conditional on definition
725 * fixinc/fixlib.h(mn_get_regexps):
728 * fixinc/gen-machine.h: DELETED
730 2000-02-04 Jan Hubicka <jh@suse.cz>
731 Richard Henderson <rth@cygnus.com>
733 * i386.c (SAVE_REGS_FIRST): Remove.
734 (ix86_initial_elimination_offset): Handle only SAVE_REGS_FIRST mode.
735 (ix86_compute_frame_size): Likewise.
736 (ix86_expand_prologue): Likewise. Use pro_epilogue_adjust_stack.
737 (ix86_emit_restore_regs): Remove.
738 (ix86_emit_epilogue_esp_adjustment): Use pro_epilogue_adjust_stack
739 when a frame pointer is in use.
740 (ix86_expand_epilogue): Handle only SAVE_REGS_FIRST mode. Use mov
741 instead of pop to restore a register when profitable; emit leave
743 (ix86_attr_length_default): Handle pro_epilogue_adjust_stack
745 (ix86_adjust_cost): Handle pro_epilogue_adjust_stack as TYPE_ALU.
746 * i386.md (prologue_allocate_stack): Remove.
747 (epilogue_deallocate_stack): Remove.
748 (pro_epilogue_adjust_stack): New.
750 2000-02-04 Richard Henderson <rth@cygnus.com>
752 * function.c (diddle_return_value): Rework to use a callback function.
753 Use current_function_return_rtx if it's been set up.
754 (do_clobber_return_reg, clobber_return_register): New.
755 (do_use_return_reg, use_return_register): New.
756 (expand_function_end): Use them.
757 * stmt.c (expand_null_return): Likewise.
758 * function.h: Declare them.
759 * flow.c (mark_regs_live_at_end): Use diddle_return_value.
760 (mark_reg): Change arguments as appropriate for callback.
761 * integrate.c (expand_inline_function): Revert 19 Jan change.
763 Fri Feb 4 20:25:42 2000 Hans-Peter Nilsson <hp@bitrange.com>
765 * tm.texi (Values in Registers): Fix typo: "fo" "for".
766 (Misc): Say the scheduler, not the Haifa scheduler.
768 2000-02-04 Clinton Popetz <cpopetz@cygnus.com>
770 * jump.c (mark_jump_label): Add in_mem param, check SYMBOL_REFs
771 when in_mem is set. Update all callers.
773 2000-02-04 Richard Henderson <rth@cygnus.com>
775 * i386/openbsd.h (INT_ASM_OP): Define.
777 Fri Feb 4 10:51:30 2000 Hans-Peter Nilsson <hp@bitrange.com>
779 * tm.texi: Fix various typos.
781 Thu Feb 3 17:17:32 2000 Steve Ellcey <sje@cup.hp.com>
783 * config/pa/pa-hpux11.h (LIB_SPEC): Correct typo in !p case.
784 (MD_STARTFILE_PREFIX_1): New macro.
786 Thu Feb 3 15:08:13 MET 2000 Jan Hubicka <jh@suse.cz>
788 * i386.md (movstrsi, clrstrsi): Support variable sized copies, align
789 destination when needed.
790 (strmovsi, strsetsi): New expander.
791 (strmovsi_1, strsetsi_1): New pattern.
792 * i386.h (MASK_NO_ALIGN_STROP, MASK_INLINE_ALL_STROP,
793 TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS): New macros.
794 (TARGET_SWITCHES) Add align-stringops and inline-all-stringops.
795 * invoke.texi (align-stringops, inline-all-stringops): Document.
797 Wed Feb 2 23:04:47 2000 Krister Walfridsson <cato@df.lth.se>
799 * i386/netbsd.h (INT_ASM_OP): Define.
801 2000-02-02 Zack Weinberg <zack@wolery.cumb.org>
803 * cpplib.h (cpp_reader): Add new flag, no_directives.
804 * cpphash.c (macarg): Set it.
805 * cpplib.c (handle_directive): If no_directives is on and we
806 find a directive, issue an error and discard the line.
808 Wed Feb 2 13:07:10 2000 Jim Wilson <wilson@cygnus.com>
810 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Delete 'E' check for
811 FP constants. Add ! TARGET_FPU check for FP constants.
813 2000-02-02 Clinton Popetz <cpopetz@cygnus.com>
815 * flow.c (find_basic_blocks): Don't kill label_value_list
817 (cleanup_cfg): Kill it here.
819 Wed Feb 2 08:12:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
821 * expr.c (store_field): Ensure ALIGN is no stricter than the
824 2000-02-02 Richard Henderson <rth@cygnus.com>
826 * jump.c (delete_insn): Partially revert 19 Jan change;
827 don't convert unused code labels to notes at -O0.
829 2000-02-02 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
831 * toplev.c (rest_of_compilation): Run rebuild_jump_labels after
832 split_all_insns to recreate REG_LABEL notes for flow2 pass.
834 2000-02-01 Richard Henderson <rth@cygnus.com>
836 * i386.c (general_no_elim_operand): New.
837 (nonmemory_no_elim_operand): New.
838 (ix86_expand_move): Copy eliminable operands before a push.
839 * i386-protos.h: Declare new functions.
840 * i386.h (CAN_ELIMINATE): Simplify.
841 (PREDICATE_CODES): Update.
842 * i386.md (push insns): Don't allow eliminable register operands.
844 2000-02-01 Richard Henderson <rth@cygnus.com>
846 * flow.c (mark_regs_live_at_end): Follow expand_function_end and
847 replace BLKmode with DECL_RTL's mode.
849 2000-02-01 Zack Weinberg <zack@wolery.cumb.org>
851 * frame.c (find_fde): Convert for loop to do-while so compiler
852 sees it's always executed at least once.
853 * libgcc2.c (BBINBUFSIZE): Kill.
854 (__bb_init_prg): Use fgets.
855 (__bb_exit_trace_func): Don't paste strings.
856 * unroll.c (unroll_loop): Initialize unroll_type, not
857 unroll_number, and tweak logic to match.
859 * i386.c (ix86_expand_int_movcc): Add explicit 'return 0' in
861 (ix86_flags_dependant): Likewise. Disentangle control flow.
862 (ix86_sched_reorder): Break guts out to
863 ix86_sched_reorder_pentium and ix86_sched_reorder_ppro.
864 (ix86_sched_reorder_ppro): Initialize pair2 and insnp before
867 * i386.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Don't
868 use string concatenation. Don't save and restore esi.
870 * fixinc/Makefile.in (fixincl.sh): Don't depend on inclhack.def.
871 (machname.h): Remove script to separate file. Use two-step
872 sequence so target is not created if script fails.
873 * fixinc/gen-machname.h: New file. Handle case where no non-reserved
874 identifiers are defined.
875 * fixinc/fixlib.c (mn_get_regexps): Return a flag: if MN_NAME_PAT is
876 an empty string, machine_name doesn't need to do anything at
878 (is_cxx_header): Add more cases to regexp.
879 * fixinc/fixlib.h: Update prototype.
880 * fixinc/fixtests.c, fixinc/fixfixes.c: Update callers of
882 * fixinc/fixincl.c: Define NO_BOGOSITY.
884 * fixinc/inclhack.def (no_double_slash, else_endif_label): Ifdef out.
885 (hp_sysfile): Add missing comma.
886 (math_exception): Put the wrapper ifdefs at the beginning and
888 * fixinc/fixincl.x, fixinc/inclhack.sh: Regenerate.
890 2000-02-01 Richard Henderson <rth@cygnus.com>
892 * sparc.c (fp_zero_operand): Turn into a normal predicate.
893 Use CONST0_RTX. Update all callers.
894 * sparc.h, sparc-protos.h: Update accordingly.
895 * sparc.md (fp mov insns): Use fp_zero_operand directly
898 Wed Feb 2 02:59:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
900 * tm.texi (Values in Registers): Fix typo in HARD_REGNO_NREGS
903 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
905 * Makefile.in (specs.ready): New target.
906 (fixinc.sh): Depend on `specs.ready' instead of `specs'.
908 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
910 * fixinc.irix: Use unique filenames for writing into /tmp,
911 * fixinc.ptx: Likewise.
912 * fixinc.sco: Likewise.
913 * fixinc.svr4: Likewise.
914 * fixinc.winnt: Likewise.
916 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
918 * tsystem.h: New file.
920 * Makefile.in (libgcc2.a, stmp-multilib, crtbegin.o, crtend.o,
921 s-crtS): Depend on tsystem.h.
923 * crtstuff.c: Include tsystem.h.
925 * libgcc2.c: Likewise.
927 Tue Feb 1 19:53:27 CET 2000 Jan Hubicka <jh@suse.cz>
929 * builtins.c (expand_builtin_memset): Expand for variable sized
932 2000-02-01 David Billinghurst <David.Billinghurst@riotinto.com.au>
934 * config/mips/iris6.h (SUBTARGET_ASM_SPEC) : Default ISA based
937 Tue Feb 1 00:57:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
939 * dwarfout.c (SHORT_TYPE_SIZE): Correct default.
941 * tm.texi (Type Layout): Correct entry for CHAR_TYPE_SIZE.
943 2000-01-31 Chandra Chavva <cchavva@cygnus.com>
945 * combine.c (try_combine) [HAVE_cc0]: Trying to check the missed
946 case 3->2 combining (combining with splitting) in which 2 is CC0
947 setter/user and 3 is user. The rest of cases 2->1 and 3->2 are
948 checked at the begining of the function with the aid of calling
949 function 'can_combine_p'.
951 2000-01-31 Dave Brolley <brolley@redhat.com>
953 * cccp.c (struct argdata): Redeclare 'newlines' field as 'int'.
955 2000-01-31 Jason Merrill <jason@casey.cygnus.com>
957 * jump.c (redirect_jump): Move a NOTE_INSN_FUNCTION_END to the
960 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
962 * gansidecl.h (PROTO, VPROTO, PVPROTO): Delete macros.
964 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit):
967 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
969 * i386/386bsd.h, i386/beos-pe.h, i386/bsd386.h, i386/crtdll.h,
970 i386/cygwin.h, i386/dgux.h, i386/djgpp-rtems.h, i386/djgpp.h,
971 i386/freebsd.h, i386/gnu.h, i386/i386-aout.h, i386/i386-coff.h,
972 i386/i386-interix.h, i386/i386elf.h, i386/linux.h, i386/lynx-ng.h,
973 i386/lynx.h, i386/mach.h, i386/mingw32.h, i386/moss.h,
974 i386/netbsd.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
975 i386/ptx4-i.h, i386/rtems.h, i386/rtemself.h, i386/sco.h,
976 i386/sequent.h, i386/sun.h, i386/sysv4.h, i386/uwin.h, i386/vsta.h,
977 i386/vxi386.h, i386/win-nt.h, i386/win32.h:
978 Remove -Di386 -Acpu(i386) -Amachine(i386) from CPP_PREDEFINES.
980 * i386/osf1elf.h, i386/scodbx.h, i386/seq-sysv3.h, i386/sysv5.h:
981 Add %(cpp_cpu) to CPP_SPEC.
983 * i386/osf1elf.h, i386/osfelf.h, i386/osfrose.h:
984 Add %(cc1_cpu) to CC1_SPEC.
986 2000-01-28 Ulrich Drepper <drepper@redhat.com>
988 * c-decl.c (c_decode_option): Accept optional numeric argument to
989 -Wformat and set warn_format.
990 * c-common.c: Don't emit warning about non-constant printf format
991 string unless warn_format > 1.
993 2000-01-30 Richard Henderson <rth@cygnus.com>
995 * alpha.md (return_internal): Allow after reload only.
997 2000-01-30 Richard Henderson <rth@cygnus.com>
999 * i386.c (ix86_compute_frame_size): Omit padding1 if the
1000 local frame size is zero.
1002 2000-01-30 Richard Henderson <rth@cygnus.com>
1004 * alpha.c (alpha_expand_epilogue): Don't emit the return insn.
1005 * alpha.h (EPILOGUE_USES): New. Mark $26 live.
1006 * alpha.md (return): Turn into an expander.
1007 (return_internal): Don't use $26.
1008 (epilogue): Emit the return insn.
1010 2000-01-30 Richard Henderson <rth@cygnus.com>
1012 * alpha.md (negtf2, abstf2): Fix word order thinko.
1014 (trunctfsf2): Avoid intermediate rounding errors.
1016 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
1018 * cppfiles.c (find_position): Drop 'colp' argument, return the
1020 (read_and_prescan): Adjust to match. Don't ever manipulate
1021 line or line_base except via find_position.
1023 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
1025 * c-parse.in: Apply Ulrich's changes from c-parse.y.
1026 * c-parse.y, objc/objc-parse.y, c-parse.c, objc/objc-parse.c:
1029 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
1031 * cpperror.c (cpp_file_line_for_message): If 'line' is zero,
1032 just print "<command line>". If 'filename' is null or an
1033 empty string, print "<stdin>" for the filename.
1034 * cpplib.c (do_define): Don't print the 'location of the
1035 previous definition' message if we're still parsing the
1037 (cpp_pedwarn_with_file_and_line): Always call
1038 cpp_file_line_for_message.
1040 2000-01-29 Mark Mitchell <mark@codesourcery.com>
1042 * flow.c (mark_regs_live_at_end): Fix typo.
1044 2000-01-28 Ulrich Drepper <drepper@redhat.com>
1046 * c-common.c: Adjust variable names, comments, help strings to c99.
1047 * c-lex.c: Likewise.
1048 * c-parse.y: Likewise.
1049 * c-tree.h: Likewise.
1051 * cpplib.h: Likewise.
1052 * c-decl.c: Likewise. Recognize options with names "*99" as well.
1053 * cppinit.c: Likewise.
1055 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1057 * c4x.h (INIT_TARGET_OPTABS): Add all missing local optab entries.
1058 * c4x.c: Define the optab rtx values.
1059 (c4x_add_gc_roots): Add the ggc roots for these optab rtx values.
1060 (c4x_emit_libcall): Use new optab rtx values.
1061 (c4x_emit_libcall3): Likewise.
1062 (c4x_emit_libcall_mulhi): Likewise.
1063 * c4x-protos.h: Add prototypes for optab rtx values and change
1064 prototypes for above c4x_emit_libcall functions.
1066 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1068 * c4x.c (c4x_output_ascii): Restrict line length of output when TI
1070 (c4x_function_prologue): Use regnames intead of float_reg_names when
1072 (c4x_function_epilogue): Likewise.
1073 (c4x_print_operand): Likewise.
1074 * c4x.h (HOST_WIDE_INT_PRINT_HEX): Redefine.
1075 * c4x.md (set_high): Disable for TARGET_TI.
1077 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1079 * c4x.h (PREFERRED_RELOAD_CLASS): Change to restrict the reloading
1080 of framepointer + constant to ADDR_REGS class.
1081 * c4x.md (addqi3, addqi3_noclobber_reload): Update.
1082 * c4x.c (std_or_reg_operand): New function.
1083 * c4x-protos.h (std_or_reg_operand): Prototype it.
1085 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1087 * t-c4x: Change qi,qf,di,df into si,sf,hi,hf to generate same
1088 object names as libgcc2.c.
1089 * libgcc.S: Use newly defined names.
1091 Fri Jan 7 19:48:04 CET 2000 Jan Hubicka <jh@suse.cz>
1092 * sbitmap.c (sbitmap_first_set_bit, sbitmap_last_set_bit): New
1094 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit): Declare.
1095 * basic_block.h (FLOW_LOOP_FIRST_BLOCK): New macro.
1096 (FLOW_LOOP_LAST_BLOCK): Likewise.
1098 2000-01-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1100 * basic-block.h (struct loop): New fields 'first' and 'last'.
1101 * flow.c (flow_loops_find): Compute loop->first and loop->last.
1102 (flow_loops_dump): Use loop->first to check for NOTE_INSN_LOOP_BEG
1103 and loop->last to check for NOTE_INSN_LOOP_END.
1105 Fri Jan 28 10:57:58 2000 Jason Eckhardt <jle@cygnus.com>
1107 * predict.c (estimate_probability): Use the new FIRST and LAST fields
1108 of the loop descriptor rather than HEADER and LATCH. Also added
1109 missing break statements as well making some coding style modifications
1110 as suggested by Michael Hayes.
1112 2000-01-28 Richard Henderson <rth@cygnus.com>
1114 * flow.c (find_basic_blocks): Remove do_cleanup argument.
1115 Break out that code ...
1116 (cleanup_cfg): ... here.
1117 (commit_one_edge_insertion): Detect a return instruction being
1118 emitted to an edge. Emit a barrier following; clear fallthru.
1119 (commit_edge_insertions): Verify CFG consistency.
1120 * function.c (expand_function_start): Kill unused variable.
1121 (expand_function_end): Likewise.
1122 (thread_prologue_and_epilogue_insns): Use insert_insn_on_edge
1123 to insert the epilogue.
1125 * gcse.c (gcse_main): Adjust for find_basic_blocks change.
1126 (delete_null_pointer_checks): Likewise.
1127 * output.h: Likewise.
1128 * reg-stack.c (reg_to_stack): Likewise.
1129 * toplev.c (rest_of_compilation): Likewise. Run
1130 thread_prologue_and_epilogue_insns after rebuilding the CFG.
1132 2000-01-28 Richard Henderson <rth@cygnus.com>
1134 * Makefile.in (flow.o): Revert 24 Jan change.
1135 * flow.c (mark_regs_live_at_end): Likewise. Force BLKmode
1136 FUNCTION_VALUE result to DECL_RESULT's mode.
1138 * haifa-sched.c (schedule_insns): Don't recompute reg info
1141 2000-01-28 Zack Weinberg <zack@wolery.cumb.org>
1143 * configure.in: Make --enable-cpplib the default.
1144 * configure: Regenerate.
1145 * gcc.dg/990119-1.c: No longer expected to fail.
1147 2000-01-28 Bernd Schmidt <bernds@cygnus.co.uk>
1149 * jump.c (jump_optimize_1): Delete an optimization that is also done
1150 by merge_blocks in flow.
1152 2000-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1154 * diagnostic.c (build_message_string, output_printf,
1155 line_wrapper_printf): Add ATTRIBUTE_PRINTF_*.
1156 (build_location_prefix): Fix non-literal format string.
1158 2000-01-27 Richard Henderson <rth@cygnus.com>
1160 * alpha.md (trunctfsf2): New.
1162 2000-01-27 Andrew Hobson <ahobson@eng.mindspring.net>
1164 * configure.in (alpha-dec-osf5): Enable MASK_SUPPORT_ARCH.
1166 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
1168 * cppinit.c (cpp_handle_option): Recognize C++ comments under
1170 * cpplib.c (skip_block_comment, skip_line_comment): Split code
1172 (skip_comment) ... here. Permit C++ comments in system
1173 headers always. Warn about C++ comments in user code under
1174 -std=gnu89 -pedantic.
1175 (copy_comment): Use skip_comment.
1176 (cpp_skip_hspace, cpp_get_token): skip_comment can no longer
1178 (consider_directive_while_skipping, do_else, do_endif): Call
1179 validate_else unconditionally.
1180 (validate_else): Check CPP_PEDANTIC here. Accept non-comment
1181 text after the conditional in a system header.
1182 * cpplib.h (struct cpp_buffer): Add flag
1183 warned_cplusplus_comments.
1185 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
1187 * emit-rtl.c (unshare_all_rtl): Unshare virtual parameters too.
1188 Use unshare_all_rtl_1.
1189 (unshare_all_rtl_again): New function.
1190 (unshare_all_rtl_1): New function split out of unshare_all_rtl.
1192 * function.c (purge_addressof_1): Use unshare_all_rtl_again
1193 rather than resetting the 'used' flags ourself.
1195 * toplev.c (rest_of_compilation): Add current_function_decl
1196 to the unshare_all_rtl call.
1197 * tree.h: Prototype unshare_all_rtl.
1198 * rtl.h: Prototype unshare_all_rtl_again here.
1200 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
1202 * genoutput.c (output_prologue): Include ggc.h in generated
1204 * Makefile.in (insn-output.o): Depends on ggc.h.
1206 2000-01-27 Ian Dall <ian@sibyl.beware.dropbear.id.au>
1207 Hans-Peter Nilsson <hp@bitrange.com>
1209 * ns32k/xm-ns32k.h (memcpy, memset, memcmp): Delete.
1210 Remove redundant include of xm-ns32k.h.
1211 * ns32k/xm-genix.h (memcpy, memset, memcmp): Add definitions.
1212 Remove redundant include of xm-ns32k.h.
1213 * ns32k/xm-netbsd.h (memcpy, memset, memcmp): No longer undefine.
1214 Remove redundant include of xm-ns32k.h.
1215 * ns32k/netbsd.h (TARGET_DEFAULT): Enable multiply-add instructions.
1217 * ns32k/ns32k.h: Update comment on multiply-add instructions.
1218 (TARGET_SWITCHES): Add documentation strings.
1219 (DWARF_FRAME_REGNUM): Override default definition.
1220 (REG_CLASS_CONTENTS): Add comments.
1221 (SUBSET_P): Format to reduce line length.
1222 (SMALL_REGISTER_CLASSES): Make a run time option.
1223 (GO_IF_NONINDEXED_ADDRESS): Reformat.
1224 (GO_IF_LEGITIMATE_ADDRESS): Ensure that cfun is non NULL before
1225 dereferencing it. Braces to avoid "ambiguous else" were misplaced.
1226 (regclass_map): fix typo in comment.
1227 * ns32k/ns32k.c: Add spaces before parentheses for consistant style.
1228 Prefer gen_rtx_FOO(...) to gen_rtx(FOO,...).
1229 (trace, reg_or_mem_operand): Delete, unused function.
1230 (calc_address_cost): Small offsets are cheaper than large ones.
1231 (expand_block_move): Generate more efficient code when bytes is a
1232 known at compile time.
1233 * ns32k/ns32k.md: Alternate constraints for multiply-add instructions.
1234 (udivmodsi4, udivmodhi4, udivmodqi4): Use nonimmediate_operand
1235 instead of reg_or_mem_operand.
1237 * ns32k/ns32k.md: Use nonimmediate_operand or stricter for outputs,
1238 not general_operand. Similarly use "=rm" or stricter, not "=g".
1239 For input operands, use stricter constraints than "g" if not
1240 general_operand. Similarly use stricter predicate than
1241 "general_operand" when stricter constraints than "g" are present,
1242 except for matching constraints.
1243 (movstrsi): Use "memory_operand" for operands 0 and 1.
1244 (truncsiqi2, truncsihi2, trunchiqi2): Remove.
1245 (udivmoddisi4_internal): Use nonimmediate_operand for operand 0,
1246 not reg_or_mem_operand.
1247 (udivmoddisi4): Ditto.
1248 Use nonimmediate_operand for operand 1, not reg_or_mem_operand.
1249 Use nonimmediate_operand for operand 3, not register_operand.
1250 (udivmoddiqi4_internal): Use register_operand for operand 1, not
1253 2000-01-27 Fred Fish <fnf@be.com>
1255 * gthr-posix.h: Fix typo; compatibily -> compatibility.
1256 * gthr-single.h: Likewise.
1257 * gthr-solaris.h: Likewise.
1258 * gthr-vxworks.h: Likewise.
1259 * gthr-win32.h: Likewise.
1262 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
1264 * cppinit.c: Add " (cpplib)" to end of string printed by
1267 2000-01-27 Richard Henderson <rth@cygnus.com>
1269 * alpha.c (alpha_emit_conditional_move): Use VOIDmode when
1270 testing for a signed comparison.
1271 (alpha_emit_floatuns): New.
1272 * alpha-protos.h: Declare it.
1273 * alpha.md (floatunsdisf2, floatunsdidf2): New.
1274 (extendsfdf2): Tidy.
1276 2000-01-27 Jakub Jelinek <jakub@redhat.com>
1278 * config/sparc/linux64.h (CC1_SPEC): If compiling -m32 with -g but
1279 no -g option specifying debugging format, default to -gstabs+.
1281 Wed Jan 26 22:19:14 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1283 * calls.c (special_function_p): New argument fork_or_exec.
1284 (expand_call): When profile_arc_flag is set and the function
1285 is in the fork_or_exec group, call __bb_fork_func first.
1286 * libgcc2.c, _bb module (__bb_fork_func): New function.
1287 (__bb_exit_func): If fcntl F_SETLKW is available, use it to lock
1289 * config/svr4.h (TARGET_HAS_F_SETLKW): Define.
1290 * tree.h (special_function_p): Update prototype.
1292 2000-01-26 Richard Henderson <rth@cygnus.com>
1294 * alpha.c (alpha_split_tfmode_pair): New.
1295 * alpha-protos.h: Declare it.
1296 * alpha.md (abstf2, negtf2): New.
1297 (movtf insn): Add input G constraint.
1298 (movtf splitter): Use alpha_split_tfmode_pair.
1300 2000-01-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1302 * i386/cygwin.h: PROTO -> PARAMS.
1304 2000-01-26 Jakub Jelinek <jakub@redhat.com>
1306 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Handle
1307 TARGET_ARCH32 again. Handle ORDERED, UN* and LTGT comparisons
1308 using _Qp_cmp/_Q_cmp and testing the return value.
1309 (print_operand): Call reverse_condition_maybe_unordered if
1310 we are handling CCFPmode or CCFPEmode.
1311 Handle ORDERED, UN* and LTGT comparisons.
1312 * config/sparc/sparc.md (cmptf): Use even on TARGET_ARCH32
1313 if not TARGET_HARD_QUAD.
1314 (seq, sne, sgt, slt, sge, sle, beq, bne, bgt, blt, bge, ble,
1315 bunordered, bordered, bungt, bunlt, buneq, bunge, bunle, bltgt):
1316 Call sparc_emit_float_lib_cmp even on TARGET_ARCH32.
1317 Adjust gen_b* calls so that they reflect return comparison of
1318 sparc_emit_float_lib_cmp.
1320 2000-01-26 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
1322 * config/alpha/alpha.c (alpha_emit_xfloating_cvt): Do not assume
1323 incoming operands array is large enough for one more operand.
1324 (alpha_emit_xfloating_arith): Likewise.
1326 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
1328 * fixinc/Makefile.in (machname.h): SunOS 4 sed can't handle a
1329 file with one line and no trailing newline.
1330 Patch by Kaveh Ghazi <ghazi@caip.rutgers.edu>.
1331 * fixinc/fixtests.c (machine_name_test): Fix fencepost error
1332 checking if the match is on the line.
1333 * fixinc/gnu-regex.c: Provide regerror not __regerror.
1335 2000-01-25 Richard Henderson <rth@cygnus.com>
1337 * sparc.c (output_cbranch): Fix accidental squashing of the
1338 fp branch pre-delay nop.
1340 2000-01-25 Richard Henderson <rth@cygnus.com>
1342 * tree.def (UNNE_EXPR): Remove.
1343 * c-typeck.c (build_binary_op): Don't handle it.
1344 * expr.c (expand_expr, do_jump, do_store_flag): Likewise.
1346 * rtl.def (UNNE): Remove.
1348 * jump.c (reverse_condition): Update accordingly.
1349 (swap_condition): Likewise.
1350 (comparison_dominates_p): Handle unordered comparisons.
1351 (reverse_condition_maybe_unordered): New.
1352 * rtl.h (reverse_condition_maybe_unordered): Declare.
1354 * sparc.c (select_cc_mode): Update for UNNE/LTGT.
1355 (output_cbranch): Use reverse_condition_maybe_unordered and LTGT.
1356 * sparc.h (REVERSIBLE_CC_MODE): Always true. Update docs.
1357 * sparc.md (bltgt): New.
1359 2000-01-25 Nick Clifton <nickc@redhat.com>
1361 * emit-rtl.c (emit_insn): Only check machine class insns for
1362 improper emission of a RETURN.
1364 2000-01-25 Richard Henderson <rth@cygnus.com>
1366 * Makefile.in (flow.o): Depend on $(EXPR_H).
1367 * flow.c (mark_regs_live_at_end): Use hard_function_value, i.e.
1368 duplicate the structure of diddle_return_value for keeping regs live.
1370 2000-01-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1372 * loop.c (current_loop_info): Delete.
1373 (consec_sets_invariant_p): Add loop argument, update callers.
1374 (get_condition_for_loop): Likewise.
1375 (count_nonfixed_reads, update_giv_derive): Likewise.
1376 (simplify_giv_expr, general_induction_var): Likewise.
1377 (consec_sets_giv, recombine_givs): Likewise.
1378 (move_movables): Delete loop_start and loop_end arguments,
1379 add loop argument, and update callers.
1380 (find_mem_givs, check_final_value): Likewise.
1381 (record_giv, maybe_eliminate_biv, maybe_eliminate_biv_1): Likewise.
1382 (loop_invariant_p): Rename from invariant_p, add loop argument, and
1384 (basic_induction_var): Add loop argument, delete loop_level argument,
1386 * unroll.c (iteration_info): Delete loop_start and loop_end arguments,
1387 add loop argument, and update callers.
1388 (find_splittable_regs, find_splittable_givs): Likewise.
1389 (reg_dead_after_loop, loop_find_equiv_value): Likewise.
1390 (final_biv_value, final_giv_value, back_branch_in_range_p): Likewise.
1391 (biv_total_increment): Delete loop_start and loop_end arguments;
1393 (precondition_loop_p): Delete loop_start and loop_info arguments;
1395 * loop.h (get_condition_for_loop): Add loop argument.
1396 (biv_total_increment): Delete loop_start and loop_end arguments.
1397 (precondition_loop_p): Delete loop_start and loop_info arguments;
1399 (final_biv_value): Delete loop_start and loop_end arguments;
1401 (final_giv_value, back_branch_in_range_p): Likewise.
1403 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
1405 * config/mips/mips.h (LEGITIMATE_CONSTANT_P): Fix for mips16.
1407 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
1409 * Makefile.in (c-gperf.h) : Change the "See" pointer to
1410 point to the new "generated_files" doc.
1412 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
1414 * config/fp-bit.c (_unord_f2): Fix typo.
1416 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
1418 * c-common.c, c-decl.c, c-lang.c, c-lex.c, c-parse.in, c-pragma.c,
1419 c-typeck.c, objc/objc-act.c: Remove all references to obstack
1420 functions obsoleted by GC, such as push_obstacks_nochange,
1421 end_temporary_allocation, savealloc, saveable_tree_cons, etc.
1422 and code which existed only to decide whether or not to call
1423 them. Remove now-unused NESTED argument from start_function;
1424 all callers changed. Do not change behavior based on ggc_p.
1425 The use of the ixp_obstack in c-iterate.c and the util_obstack
1426 in objc/objc-act.c remain; these are not obsoleted by garbage
1428 * c-tree.h: Update prototype for start_function.
1430 * c-parse.y, c-parse.c, objc/objc-parse.c, objc/objc-parse.y: Rebuild.
1432 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
1434 * config/mips/mips.md (zero_extendsidi2_internal): Disable for
1437 2000-01-25 Richard Henderson <rth@cygnus.com>
1439 * sparc-protos.h (select_cc_mode): Declare.
1440 * sparc.c (select_cc_mode): New. Handle unordered compares.
1441 (output_cbranch): Always reverse via code change. Handle
1442 unordered compares. Factor tests and string updates.
1443 * sparc.h (SELECT_CC_MODE): Split out to select_cc_mode.
1444 (REVERSIBLE_CC_MODE): Also exclude CCFPmode.
1445 * sparc.md (bunordered, bordered): New.
1446 (bungt, bunlt, buneq, bunge, bunle): New.
1448 2000-01-25 Richard Henderson <rth@cygnus.com>
1450 * dwarf2out.c (dwarf2out_init): Use ggc_add_rtx_varray_root.
1451 * ggc-common.c (ggc_add_rtx_varray_root): New.
1452 (ggc_mark_rtx_varray): New.
1453 (ggc_mark_rtx_varray_ptr): New. Shift all ggc_mark_foo_ptr
1454 functions down below ggc_mark_foo.
1455 * ggc.h (ggc_add_rtx_varray_root, ggc_mark_rtx_varray): Declare.
1457 2000-01-25 Richard Henderson <rth@cygnus.com>
1459 * alpha.c (secondary_reload_class): Don't allocate a secondary
1460 for integral mode memories into FLOAT_REGS. Rearrange the more
1461 complicated memory expression inward.
1463 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
1465 * inclhack.def: Fixes to play nicer with FreeBSD, and
1466 corrections to comments.
1467 (cxx_unready): Add select expression.
1468 (irix_sockaddr): Add bypass expression.
1469 (machine_ansi_h_va_list): New fix.
1470 (stdio_va_list): No need to edit _BSD_VA_LIST_.
1471 Split out addition of "#include <stdarg.h>" to...
1472 (stdio_stdarg_h): ... here.
1473 (systypes_for_aix): Rename to systypes_stdlib_size_t. Apply
1474 to stdlib.h also. Do not munge _BSD_SIZE_T_.
1475 (sysz_stdlib_for_sun): Delete duplicate fix for unprotected
1477 (ultrix_ifdef): Tighten up select expression.
1479 * fixincl.tpl: Exorcise 'exesel'. Rewrite calculations of
1480 re_ct and max_mach to avoid use of shell. Make printed names
1481 match names in inclhack.def. Use static copyright date.
1482 Don't count c_test and test expressions as requiring regex_t
1483 slots. Add some commentary.
1484 * inclhack.tpl: Do not include the 'This script contains N
1485 fixup scripts' line if PROGRAM is defined. Use static
1488 2000-01-24 Jason Merrill <jason@casey.cygnus.com>
1490 * dwarf2out.c: include "varray.h", not dyn-string.h.
1491 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_NAME_TO_STRING): Lose.
1492 (addr_const_to_string, addr_to_string): Lose.
1493 (ASM_OUTPUT_DWARF_ADDR_CONST): Copy from dwarfout.c.
1494 (struct dw_val_struct): val_addr is now an rtx.
1495 (add_AT_addr, AT_addr, free_AT, output_aranges): Adjust.
1496 (used_rtx_varray): New varray.
1497 (dwarf2out_init): Initialize it.
1499 (mem_loc_descriptor, add_const_value_attribute): Call it instead of
1501 * arm/telf.h, arm/unknown-elf.h, mn10200.h, mn10300.h,
1502 sparc/sp64-elf.h: Remove definition of ASM_OUTPUT_DWARF2_ADDR_CONST.
1503 * Makefile.in (dwarf2out.o): Update dependencies.
1505 2000-01-24 Richard Henderson <rth@cygnus.com>
1507 * i386.c (i386_dwarf_output_addr_const): New.
1508 * i386.h (ASM_OUTPUT_DWARF_ADDR_CONST): New.
1510 * dwarf2out.c (mem_loc_descriptor): Call ASM_SIMPLIFY_DWARF_ADDR
1512 * dwarfout.c (output_mem_loc_descriptor): Likewise.
1513 * i386.c (i386_simplify_dwarf_addr): New.
1514 * i386.h (ASM_SIMPLIFY_DWARF_ADDR): New.
1516 Mon Jan 24 16:56:10 2000 Jim Wilson <wilson@cygnus.com>
1518 * dwarf2out.c (gen_struct_or_union_type_die): Set complete if
1519 TYPE_STUB_DECL is NULL.
1521 2000-01-24 Richard Henderson <rth@cygnus.com>
1523 * builtins.c (expand_tree_builtin): Move ...
1524 * c-common.c (expand_tree_builtin): ... here.
1526 2000-01-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1528 * loop.h (LOOP_INFO): New accessor macro.
1529 * basic-block.h (struct loop): Rename field `info' to `aux'.
1530 * loop.c (scan_loop): Replace loop->info with LOOP_INFO (loop).
1531 (prescan_loop, strength_reduce, check_dbra_loop, insert_bct): Likewise.
1532 * unroll.c (loop_iterations, unroll_loop): Likewise.
1534 2000-01-24 Christopher Faylor <cgf@cygnus.com>
1536 * config/i386/t-cygwin: Accomodate new winsup directory layout
1537 when searching for include files.
1539 2000-01-24 Richard Henderson <rth@cygnus.com>
1541 * rtl.def: Add unordered fp comparisions.
1542 * tree.def: Likewise.
1543 * tree.h: Add ISO C 9x unordered fp comparision builtins.
1545 * builtins.c (expand_tree_builtin): New function.
1546 * c-typeck.c (build_function_call): Use it.
1547 (build_binary_op): Support unordered compares.
1548 * c-common.c (c_common_nodes_and_builtins): Add unordered compares.
1550 * combine.c (known_cond): Handle reverse_condition returning UNKNOWN.
1551 (reversible_comparison_p): Allow UNORDERED/ORDERED to be reversed.
1552 * cse.c (fold_rtx): Check FLOAT_MODE_P before reversing.
1553 (record_jump_equiv): Handle reverse_condition returning UNKNOWN.
1554 * jump.c (reverse_condition): Don't abort for UNLE etc, but
1556 (swap_condition): Handle unordered compares.
1557 (thread_jumps): Check can_reverse before reversing.
1558 * loop.c (get_condition): Likewise. Allow UNORERED/ORDERED to be
1561 * optabs.c (can_compare_p): New argument CODE. Verify branch or
1562 setcc is present before acking for cmp_optab. Update all callers.
1563 (prepare_float_lib_cmp, init_optabs): Handle UNORDERED.
1564 * expmed.c (do_cmp_and_jump): Update for can_compare_p.
1565 * expr.c (expand_expr): Likewise. Support unordered compares.
1566 (do_jump, do_store_flag): Likewise.
1567 * expr.h (enum libfunc_index): Add unordered compares.
1569 * Makefile.in (FPBIT_FUNCS): Add _unord_sf.
1570 (DPBIT_FUNCS): Add _unord_df.
1571 * config/fp-bit.c (_unord_f2): New.
1572 * fp-test.c (main): Try unordered compare builtins.
1574 * alpha-protos.h (alpha_fp_comparison_operator): Declare.
1575 * alpha.c (alpha_comparison_operator): Check mode properly.
1576 (alpha_swapped_comparison_operator): Likewise.
1577 (signed_comparison_operator): Likewise.
1578 (alpha_fp_comparison_operator): New.
1579 (alpha_emit_conditional_branch): Handle unordered compares.
1580 * alpha.h (PREDICATE_CODES): Update.
1581 * alpha.md (fp compares): Use alpha_fp_comparison_operator.
1582 (bunordered, bordered): New.
1584 2000-01-24 Richard Henderson <rth@cygnus.com>
1586 * alpha.c (alpha_emit_xfloating_cvt): Thinko in operand manipulation.
1587 * alpha.md (movtf): New expander, insn, and splitter.
1589 Mon Jan 24 19:49:47 MET 2000 Jan Hubicka <jh@suse.cz>
1591 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
1594 Mon Jan 24 17:37:31 MET 2000 Jan Hubicka <jh@suse.cz>
1596 * i386.h (FIRST_PSEUDO_REGISTER): Set to 21.
1597 (FIXED_REGISTERS, CALL_USED_REGISTERS,
1598 REG_ALLOC_ORDER): Add frame pointer
1599 (FRAME_POINTER_REGNUM): Set to 20
1600 (HARD_FRAME_POINTER_REGNUM): New macro.
1601 (ELIMINABLE_REGS): Eliminate ARG_POINTER and FRAME_POINTER
1602 to HARD_FRAME_POINTER.
1603 (REGNO_OK_FOR_BASE_P): Accept FRAME_POINTER_REGNUM
1604 (REG_OK_FOR_INDEX_NONSTRICT_P): Likewise.
1605 (REG_OK_FOR_BASE_NONSTRICT_P): Likewise.
1606 (HI_REGISTER_NAMES): Add "frame".
1607 (CAN_ELIMINATE): Handle FRAME_POINTER_REGNUM elimination.
1608 (debug_reg): Handle FRAME_POINTER_REGNUM.
1609 (reg_class): Add arg pointer and frame pointer to NON_Q_REGS,
1610 GENERAL_REGS and INDEX_REGS.
1611 * i386.c (SAVED_REGS_FIRST): new macro.
1612 (AT_BP): Use hard_frame_pointer_rtx instead of frame_pointer_rtx
1613 (ix86_decompose_address, memory_address_length): Likewise.
1614 (regclass_map): Add frame pointer.
1615 (call_insn_operand): Handle frame_pointer_rtx.
1616 (reg_no_sp_operand): Likewise.
1617 (ix86_decompose_address): Handle frame_pointer_rtx as stack_pointer_rtx.
1618 (print_operand, legitimize_pic_address): Fix formating.
1619 (ix86_compute_frame_size): Make static, update prototype, new
1620 parameters padding1, padding2, use ix86_nsaved_regs, use
1621 stack_alignment_needed.
1622 (ix86_initial_elimination_offset): Handle FRAME_POINTER_REGNUM
1623 to HARD_FRAME_POINTER_REGNUM conversions.
1624 (ix86_expand_prologue): Handle SAVED_REGS_FIRST prologues.
1625 (ix86_expand_epilogue): Handle SAVED_REGS_FIRST epilogues.
1626 (print_reg): Abort on FRAME_POINTER_REGNUM
1628 Mon Jan 24 16:50:08 MET 2000 Jan Hubicka <jh@suse.cz>
1630 * i386.h (PREDICATE_CODES): Add aligned_operand.
1631 * i386.c (aligned_operand): New function.
1632 (ix86_aligned_p): Kill.
1633 * i386.md (movhi_1): Emit mov for aligned operands.
1634 (promoting peep2s): Use aligned_operand.
1636 2000-01-23 Zack Weinberg <zack@wolery.cumb.org>
1638 * fixinc/fixfixes.c (fix_char_macro_uses): Correct regular
1639 expression to allow underscores in macro names.
1640 (fix_char_macro_defines): Increment scanning pointer.
1642 2000-01-23 Richard Henderson <rth@cygnus.com>
1644 * alpha/osf.h (TARGET_HAS_XFLOATING_LIBS): Define.
1645 * alpha/osf5.h: New file.
1646 * configure.in (alpha-*-osf5): Add it to tm_file.
1648 * emit-rtl.c (operand_subword): Support TFmode on a 64-bit target.
1650 * alpha-protos.h (alpha_emit_xfloating_arith): Declare.
1651 (alpha_emit_xfloating_cvt, function_arg): Declare.
1652 * alpha.c (alpha_emit_conditional_branch): Call
1653 alpha_emit_xfloating_compare for TFmode compares.
1654 (alpha_lookup_xfloating_lib_func): New.
1655 (alpha_compute_xfloating_mode_arg): New.
1656 (alpha_emit_xfloating_libcall): New.
1657 (alpha_emit_xfloating_arith): New.
1658 (alpha_emit_xfloating_compare): New.
1659 (alpha_emit_xfloating_cvt): New.
1660 (print_operand): Add default abort case.
1661 (function_arg): Mind FUNCTION_ARG_PASS_BY_REFERENCE.
1662 * alpha.h (TARGET_HAS_XFLOATING_LIBS): New.
1663 (BIGGEST_ALIGNMENT): Increase to 128 bits.
1664 (RETURN_IN_MEMORY): True for TF/TCmode.
1665 (ALPHA_ARG_SIZE): TF/TCmode is passed indirect.
1666 (FUNCTION_ARG): Move to function_arg.
1667 (FUNCTION_ARG_PASS_BY_REFERENCE): New.
1668 (ASM_OUTPUT_LONG_DOUBLE): New.
1669 (ASM_OUTPUT_DOUBLE): Always output bits.
1670 * alpha.md (addtf3, divtf3, multf3, subtf3, cmptf): New.
1671 (fix_trunctfdi2, floatditf2, floatunsditf2): New.
1672 (extenddftf2, trunctfdf2): New.
1674 2000-01-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
1676 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Moved...
1677 * config/sparc/sol2.h: ... here.
1679 2000-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1681 * basic-block.h (struct loops): New field `levels'.
1682 * flow.c (flow_loops_level_compute): Traverse all outer loops.
1683 (flow_loop_level_compute): Initialise level to 1.
1684 (flow_loops_find): Set loops->levels.
1685 (flow_loops_dump): Print loops->levels.
1687 2000-01-23 Richard Henderson <rth@cygnus.com>
1689 * libgcc2.c (dwarf_reg_size_table): Size with DWARF_FRAME_REGISTERS.
1690 (throw_helper): Iterate over DWARF_FRAME_REGISTERS.
1692 2000-01-23 Richard Henderson <rth@cygnus.com>
1694 * i386.c (dbx_register_map, svr4_dbx_register_map): New.
1695 * i386.h (DBX_REGISTER_NUMBER): Use them.
1696 * i386/beos-elf.h, i386/freebsd-elf.h, i386/i386elf.h: Likewise.
1697 * i386/linux.h, i386/osfrose.h, i386/ptx4-i.h: Likewise.
1698 * i386/rtemself.h, i386/sco5.h, i386/sysv4.h: Likewise.
1699 * i386/sequent.h: Kill incorrect comment.
1701 2000-01-23 Mark Mitchell <mark@codesourcery.com>
1703 * ggc-page.c (struct page_entry): Make `context_depth' an
1705 (struct globals): Likewise.
1707 2000-01-23 Clinton Popetz <cpopetz@cygnus.com>
1709 * loop.c (check_dbra_loop): When checking a loop for
1710 reversability, check the source of any stores to ensure
1711 they don't depend on an initial value.
1713 2000-01-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1715 * config/c4x/c4x.h (ASM_OUTPUT_BSS): Redefine.
1717 2000-01-22 Zack Weinberg <zack@wolery.cumb.org>
1719 * fixinc/fixincl.c: Move declarations of 'pz_fname' and
1720 'pz_scan' into scope of entire function. Only affects
1721 compiles with -DDEBUG.
1723 2000-01-22 Alan Modra <alan@SPRI.Levels.UniSA.Edu.Au>
1725 * config/elfos.h (UNIQUE_SECTION): Restore uninitialised data
1726 section naming to that prior to 2000-01-07 patch.
1727 * config/mips/elf.h (UNIQUE_SECTION): Ditto.
1728 * config/mips/elf64.h (UNIQUE_SECTION): Ditto.
1729 * config/mips/iris6gld.h (UNIQUE_SECTION): Ditto.
1730 * config/i386/interix.c (UNIQUE_SECTION): Ditto.
1731 * config/i386/winnt.c (UNIQUE_SECTION): Ditto.
1733 2000-01-22 Bernd Schmidt <bernds@cygnus.co.uk>
1735 * config/arm/arm.c (soft_df_operand): Reject SUBREGs containing a
1738 2000-01-21 Jim Wilson <wilson@cygnus.com>
1740 * fixinc/inclhack.tpl: Test for directory before trying to cd into it.
1741 * fixinc/fixincl.sh, fixinc/inclhack.sh: Regenerate.
1743 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
1745 * cpphash.c (change_newlines): Delete function.
1746 (struct argdata): Delete 'newlines' and 'use_count' fields.
1747 (macroexpand): Remove code referencing those fields.
1749 2000-01-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1751 * loop.c (loops_info): New variable.
1752 (loop_optimize): Allocate loops->array and free it on exit.
1753 Allocate memory for loops_info and assign to each loop,
1755 (find_and_verify_loops): Do not allocate loops->array.
1757 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
1759 * fixinc/fixfixes.c (machine_name_fix): Don't free 'scratch'.
1761 2000-01-21 Jakub Jelinek <jakub@redhat.com>
1763 * config/sparc/sparc.md (movsi_pic_label_ref): Avoid creating new
1764 pseudos if expanded after first flow.
1765 (movdi_pic_label_ref): Likewise.
1767 2000-01-20 Richard Henderson <rth@cygnus.com>
1769 * jump.c (jump_optimize_1): Don't do addr_vec optimizations at -O0.
1771 2000-01-20 Zack Weinberg <zack@wolery.cumb.org>
1773 * Makefile.in (fixinc.sh): Depend on specs.
1774 * fixinc/Makefile.in: Add rule to create machname.h.
1775 (fixlib.o): Depend on machname.h.
1776 * fixinc/fixtests.c (machine_name): New test.
1777 * fixinc/fixfixes.c (machine_name): New fix.
1778 * fixinc/fixlib.c (mn_get_regexps): New helper function for
1779 the machine_name test and fix.
1780 * fixinc/fixlib.h: Prototype it.
1781 * fixinc/inclhack.def (machine_name): Use the C test and fix.
1782 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuild.
1784 * gcc.c (do_spec_1) [case P]: Take care not to create
1785 identifiers with three leading or trailing underscores.
1787 * fixinc/Makefile.in (FIXINC_DEFS): Add -DIN_GCC.
1788 (fixincl): Don't specify libraries twice on link line.
1789 (gnu-regex.o): Remove special rule.
1790 * fixinc/gnu-regex.c: Define REGEX_MALLOC if C_ALLOCA was
1791 defined by config.h. Do not define _REGEX_RE_COMP.
1792 (regcomp): Allocate and initialize a fastmap.
1793 * fixinc/gnu-regex.h: Do not define _REGEX_RE_COMP.
1795 2000-01-20 Brad Lucier <lucier@math.purdue.edu>
1797 * Makefile.in (predict.o): Depend on $(EXPR_H), not expr.h.
1799 2000-01-19 Richard Henderson <rth@cygnus.com>
1801 * flow.c (propagate_block): Replace FIRST, LAST and BNUM
1802 arguments with BB. Update all callers. Tidy line wrapping.
1804 2000-01-19 Clinton Popetz <cpopetz@cygnus.com>
1806 * emit-rtl.c (try_split): Return last_insn if we split the
1809 Thu Jan 20 01:01:23 MET 2000 Jan Hubicka <jh@suse.cz>
1811 * i386-protos.h (ix86_compute_frame_size): Remove prototype.
1812 (ix86_initial_elimination_offset): Declare.
1813 * i386.c (ix86_nsaved_regs): Break out from ...
1814 (ix86_can_use_return_insn_p): ... here.
1815 (ix86_emit_save_regs): Break out from ...
1816 (ix86_expand_prologue): ... here.
1817 (ix86_emit_epilogue_esp_adjustment, ix86_emit_restore_regs): Break
1819 (ix86_expand_epilogue): ... here.
1820 (ix86_compute_frame_size): Make static, add prototype.
1821 (ix86_initial_elimination_offset): Break out from ...
1822 * i386.h (INITIAL_ELIMINATION_OFFSET): ... here.
1824 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1826 * recog.h (OUT_FCN): Delete.
1828 * vax.md: Call `get_insn_template' instead of OUT_FCN.
1830 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1832 * cppalloc.c: PROTO -> PARAMS.
1833 * cpperror.c: Likewise.
1834 * cppfiles.c: Likewise.
1835 * cpplib.c: Likewise.
1836 * cpplib.h: Likewise.
1838 * config/arm/arm-protos.h: PROTO -> PARAMS.
1839 * config/arm/arm.c: Likewise.
1840 * config/c4x/c4x.c: Likewise.
1841 * config/fr30/fr30-protos.h: Likewise.
1842 * config/nextstep.c: Likewise.
1843 * config/pa/pa.c: Likewise.
1844 * config/pj/pj.c: Likewise.
1845 * config/rs6000/rs6000.c: Likewise.
1846 * config/v850/v850-protos.h: Likewise.
1847 * config/v850/v850.c: Likewise.
1849 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1851 * i370-protos.h: New file.
1853 * i370.c: Include tm_p.h. Fix compile time warnings.
1855 * i370.h: Move prototypes to i370-protos.h. Fix compile time
1858 * i370.md: Likewise.
1860 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1862 * real.c (enan, einan, eiisnan, eiisneg, make_nan): Wrap in NANS.
1863 (target_isinf, target_isnan, eisnan): Mark parameter with
1865 (eiisinf): Wrap in INFINITY.
1866 (etoe113, etoe64, etoe53, etoe24): Wrap label `nonorm' in INFINITY.
1867 (ibmtoe): Remove unused variable `rndsav'.
1869 Wed Jan 19 20:23:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1871 * sh.h (PASS_IN_REG_P): Remove extraneous paranthesis.
1872 (GO_IF_LEGITIMATE_ADDRESS): Added missing tab.
1874 2000-01-19 Zack Weinberg <zack@wolery.cumb.org>
1876 * fixinc/Makefile.in: Correct dependencies of fixincl and fixincl.o.
1877 * fixinc/fixfixes.c (IO_use, CTRL_use, IO_defn, CTRL_defn): New fixes.
1878 (fix_char_macro_defines, fix_char_macro_uses): New functions.
1880 * fixinc/fixlib.c (is_cxx_header): Do the text scan with a regexp.
1881 Recognize Emacs mode markers also.
1882 * fixinc/fixtests.c (else_endif_label): Fix bug in recognition of
1883 C++ comments in C++ headers. Call is_cxx_header only if
1886 * fixinc/inclhack.def (avoid_bool): Add select for the problem and
1888 (bsd43_io_macros, io_def_quotes, ioctl_fix_ctrl): Replace with...
1889 (io_def_quotes, io_use_quotes, ctrl_def_quotes, ctrl_use_quotes):
1890 ... these, which use the new C fixes.
1891 (math_exception): Escape literal '+' in bypass expression.
1893 * fixinc/fixincl.x, fixinc/fixincl.sh, fixinc/inclhack.sh:
1896 2000-01-19 Geoff Keating <geoffk@cygnus.com>
1898 * rtlanal.c (reg_referenced_p): A CLOBBER of a MEM uses any REGs
1901 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1903 * loop.c (loop_optimize): Allocate loop_info structure for each loop
1904 prior to calling scan_loop.
1906 Wed Jan 19 19:54:38 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1908 * sh.c (find_barrier, gen_block_redirect): Fix indentation.
1909 (split_branches, calc_live_regs): Likewise.
1911 Wed Jan 19 19:12:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1913 * sh.md (fpu_single, fp_mode): New attributes.
1915 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1917 * loop.c (current_loop_info): Renamed from loop_info_data
1918 and changed to a pointer.
1919 (loop_optimize): Allocate loop_info structure for each loop
1920 and initialise to zero.
1921 (scan_loop): Set current_loop_info.
1923 * unroll.c (loop_iterations): Don't abort if REG_USERVAR_P set
1926 2000-01-19 Richard Henderson <rth@cygnus.com>
1928 * stupid.c: Die die die.
1929 * Makefile.in (OBJS): Remove stupid.o.
1930 (stupid.o): Likewise.
1932 * except.c (emit_eh_context): Don't emit USEs for stupid.
1933 * explow.c (probe_stack_range): Likewise.
1934 * flags.h (obey_regdecls): Remove.
1935 * flow.c (find_basic_blocks): Don't run try_merge_blocks
1936 when not optimizing.
1937 (life_analysis): Limit data collection when not optimizing.
1938 (mark_regs_live_at_end): Always mark the return value registers.
1939 (mark_used_regs): Remove dummy RETURN case.
1940 (print_rtl_with_bb): Don't consult obey_regdecls.
1941 * function.c (use_variable, use_variable_after): Remove.
1942 (assign_parms): Consult optimize not obey_regdecls.
1943 (expand_function_start): Don't emit USEs for stupid.
1944 (expand_function_end): Likewise.
1945 * global.c (build_insn_chain): Export.
1946 * integrate.c (expand_inline_function): Kill return-value USE
1948 * jump.c (jump_optimize_1): Do simple jump optimizations and
1949 dead code elimination.
1950 (calculate_can_reach_end): Remove check_deleted argument.
1951 (delete_insn): Patch out insns even when not optimizing.
1952 * local-alloc.c (block_alloc): Don't do tying when not optimizing.
1953 * rtl.h (use_variable, use_variable_after): Remove declarations.
1954 (build_insn_chain): Declare.
1955 * stmt.c (expand_value_return): Don't emit USEs for stupid.
1956 (expand_end_bindings): Likewise.
1957 (expand_decl): Likewise. Consult optimize not obey_regdecls.
1958 * toplev.c (obey_regdecls): Remove.
1959 (rest_of_compilation): Don't set it. Kill stupid in favour of
1960 flow1, local-alloc, and reload.
1961 (main): Don't set obey_regdecls.
1963 * config/nextstep.c (handle_pragma): Likewise.
1965 * alpha/alpha.md (allocate_stack): Don't emit USEs for stupid.
1967 * arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't fix reg 0 for stupid.
1969 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1971 * alpha-protos.h: PROTO -> PARAMS.
1972 * alpha.c: Likewise.
1974 * h8300.c: Likewise.
1975 * i386-protos.h: Likewise.
1977 * m32r-protos.h: Likewise.
1980 * mips.md: Likewise.
1981 * gmon-sol2.c: Likewise.
1982 * sparc.c: Likewise.
1984 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1986 * ns32k-protos.h: New file.
1988 * ns32k.c: Fix compile time warnings.
1990 * ns32k.h: Move prototypes to ns32k-protos.h. Fix compile time
1993 * ns32k.md: Likewise.
1995 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1997 * vax-protos.h: New file.
1999 * vax.c: Fix compile time warnings.
2001 * vax.h: Move prototypes to vax-protos.h. Fix compile time
2006 * vaxv.md: Likewise.
2008 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2010 * romp-protos.h: New file.
2012 * romp.c: Fix compile time warnings.
2014 * romp.h: Move prototypes to romp-protos.h. Fix compile time
2017 * romp.md: Likewise.
2019 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2021 * we32k-protos.h: New file.
2023 * we32k.c: Fix compile time warnings.
2025 * we32k.h: Move prototypes to we32k-protos.h. Fix compile time
2028 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2030 * calls.c (emit_call_1): Mark parameter with ATTRIBUTE_UNUSED.
2032 * except.c (eh_regs): Likewise.
2034 * final.c (output_operand): Likewise.
2036 * fold-const.c (target_isinf, target_isnan): Likewise.
2038 Tue Jan 18 16:19:55 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
2040 * i386.h (BIGGEST_ALIGNMENT): Set to 128.
2041 (BIGGEST_FIELD_ALIGNMENT): Set to (TARGET_ALIGN_DOUBLE ? 64 : 32)
2043 * i386.md (memstr): Do not use rep stosb for counts divisible by 4
2045 (clrstrsi): Rewrite.
2046 (strsethi, strsetqi): New expanders.
2047 (strsethi_1, strsetqi_1, rep_stossi, rep_stosqi): New insn patterns.
2048 (cmpstrsi): Emit compare insn before cmpstrsi_1
2049 (cmpstrsi_nz): use flags, set type to str, prefix_length to 1.
2050 (strlensi_1): Likewise.
2051 (cmpstrsi_1): Likewise; do not output compare.
2052 (strlen expander): Do not unroll when optimizing for size.
2053 (*subsi3_carry): Rename to subsi3_carry
2054 (addqi3_cc): New pattern.
2055 * i386.h (processor_costs): Add move_ratio field.
2056 (MOVE_RATIO): Use move_ratio field, set to 3 for OPTIMIZE_SIZE
2057 * i386.c (*_cost): Set move_ratio.
2058 (x86_unroll_strlen): Enable for Athlon, PPro and K6 too.
2059 (x86_expand_strlensi_1): Rewrite the main loop.
2061 2000-01-17 Richard Henderson <rth@cygnus.com>
2063 * combine.c (combine_simplify_rtx): Give FLOAT_STORE_FLAG_VALUE a mode.
2064 * cse.c (find_comparison_args, fold_rtx): Likewise.
2065 * integrate.c (subst_constants): Likewise.
2066 * loop.c (get_condition): Likewise.
2068 * tm.texi (FLOAT_STORE_FLAG_VALUE): Update docs.
2070 * alpha.h (FLOAT_STORE_FLAG_VALUE): Use REAL_VALUE_ATOF.
2072 2000-01-18 Martin v. Löwis <loewis@informatik.hu-berlin.de>
2074 * c-parse.in (SAVE_WARN_FLAGS): Create an INTEGER_CST.
2075 (RESTORE_WARN_FLAGS): Unpack it.
2076 Change semantic type of extension to ttype.
2077 * c-common.c (split_specs_attrs): Expect an INTEGER_CST.
2078 * c-parse.y, c-parse.c, objc/objc-parse.y,
2079 objc/objc-parse.c: Regenerate.
2081 2000-01-17 Zack Weinberg <zack@wolery.cumb.org>
2083 * fixinc/fixlib.c: Add copyright notice.
2084 (compile_re): New function.
2085 * fixinc/fixlib.h: Prototype compile_re.
2087 * fixinc/fixfixes.c, fixinc/fixtests.c, fixinc/fixincl.c:
2088 Use compile_re to compile regular expressions.
2090 * fixinc/fixincl.c (egrep_test): Don't bother asking regexec
2091 where the pattern matched.
2093 * fixinc/inclhack.def (sun_memcpy): Move to AAB_sun_memcpy,
2095 (ultrix_ansi_compat): Likewise.
2096 (interactv_add1): Rename to 'isc_omits_with_stdc', remove shell test,
2098 (interactv_add2, interactv_add3): Delete.
2099 (x11_sprintf): Don't use filename glob.
2100 * fixinc/fixincl.x, fixinc/inclhack.sh, fixinc/fixincl.sh:
2103 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2105 * print-rtl.c: PROTO -> PARAMS.
2107 * reg-stack.c: Likewise.
2108 * resource.c: Likewise.
2109 * sdbout.h: Likewise.
2110 * simplify-rtx.c: Likewise.
2111 * stor-layout.c: Likewise.
2112 * stupid.c: Likewise.
2113 * xcoffout.c: Likewise.
2114 * xcoffout.h: Likewise.
2116 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2118 * toplev.c: PROTO -> PARAMS.
2119 * toplev.h: Likewise.
2122 * unroll.c: Likewise.
2123 * varasm.c: Likewise.
2124 * varray.c: Likewise.
2125 * varray.h: Likewise.
2127 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2129 * reload.c: PROTO -> PARAMS.
2130 * reload.h: Likewise.
2131 * reload1.c: Likewise.
2132 * reorg.c: Likewise.
2133 * resource.h: Likewise.
2136 * rtlanal.c: Likewise.
2137 * sbitmap.h: Likewise.
2138 * sdbout.c: Likewise.
2139 * stack.h: Likewise.
2141 * system.h: Likewise.
2143 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2145 * machmode.h: PROTO -> PARAMS.
2146 * mbchar.h: Likewise.
2147 * mips-tdump.c: Likewise.
2148 * mips-tfile.c: Likewise.
2149 * optabs.c: Likewise.
2150 * output.h: Likewise.
2151 * prefix.c: Likewise.
2152 * profile.c: Likewise.
2153 * protoize.c: Likewise.
2155 * recog.c: Likewise.
2156 * recog.h: Likewise.
2157 * regclass.c: Likewise.
2158 * regmove.c: Likewise.
2161 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2163 * ggc-common.c: PROTO -> PARAMS.
2164 * ggc-page.c: Likewise.
2165 * ggc-simple.c: Likewise.
2167 * global.c: Likewise.
2168 * graph.c: Likewise.
2169 * gthr-win32.h: Likewise.
2170 * haifa-sched.c: Likewise.
2171 * halfpic.h: Likewise.
2172 * integrate.c: Likewise.
2173 * integrate.h: Likewise.
2176 * local-alloc.c: Likewise.
2180 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2182 * genattr.c: PROTO -> PARAMS.
2183 * genattrtab.c: Likewise.
2184 * gencheck.c: Likewise.
2185 * gencodes.c: Likewise.
2186 * genconfig.c: Likewise.
2187 * genemit.c: Likewise.
2188 * genextract.c: Likewise.
2189 * genflags.c: Likewise.
2190 * gengenrtl.c: Likewise.
2191 * genopinit.c: Likewise.
2192 * genoutput.c: Likewise.
2193 * genpeep.c: Likewise.
2194 * genrecog.c: Likewise.
2196 2000-01-16 Mark Mitchell <mark@codesourcery.com>
2198 * tree.h (BINFO_VPTR_FIELD): Augment documentation.
2200 2000-01-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
2202 * aclocal.m4 (AC_FUNC_MMAP_ZERO): New macro.
2203 * configure.in (AC_FUNC_MMAP_ZERO): Use instead of AC_FUNC_MMAP.
2204 * ggc-page.c: Replace HAVE_MMAP with HAVE_MMAP_ZERO.
2205 * configure, config.in: Rebuilt.
2207 2000-01-16 Zack Weinberg <zack@wolery.cumb.org>
2209 * config/i386/i386.md: Add peephole to merge successive stack
2212 Sat Jan 15 15:41:14 EST 2000 John Wehle (john@feith.com)
2214 * gcse.c (insert_insn_end_bb): Use emit_block_insn_before
2215 instead of emit_insn_before. Also handle NOTE_INSN_BASIC_BLOCK
2216 when walking backwards to find all the parameter loads when
2217 the basic block ends in a call.
2219 2000-01-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2221 * loop.c (this_loop_info): Delete.
2222 (uid_loop): Add in place of uid_loop_num. All uses updated.
2223 (loop_number_exit_count): Delete and replace with entry in loop
2224 structure. All uses updated.
2225 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
2226 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
2227 (loop_outer_loop): Likewise.
2228 (loop_invalid, loop_number_exit_labels): Likewise.
2229 (loop_used_count_register): Delete and replace with entry in
2230 loop_info structure.
2231 (find_and_verify_loops): Add loops argument.
2232 (verify_dominator, mark_loop_jump, prescan_loop): Replace loop_start,
2233 loop_end, etc. arguments with loop structure pointer. All callers
2235 (loop_reg_used_before_p, scan_loop, strength_reduce): Likewise.
2236 (check_dbra_loop, next_insn_in_loop, try_copy_prop): Likewise.
2237 (load_mems_and_recount_loop_regs_set, load_mems): Likewise.
2238 (insert_bct): Likewise.
2239 (basic_induction_var): New argument level.
2240 * loop.h (struct loop_info): Delete fields num, loops_enclosed,
2241 vtop, and cont. Add used_count_register.
2242 (uid_loop): Delete declaration.
2243 (loop_number_exit_count): Likewise.
2244 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
2245 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
2246 (loop_outer_loop, loop_used_count_register): Likewise.
2247 (loop_invalid, loop_number_exit_labels): Likewise.
2248 (unroll_loop): Replace loop_start and loop_end arguments
2249 with loop structure pointer.
2250 (loop_precondition_p, loop_iterations): Likewise.
2251 Include basic-block.h.
2252 * unroll.c: (unroll_loop): Replace loop_start and loop_end arguments
2253 with loop structure pointer.
2254 (loop_precondition_p, loop_iterations): Likewise.
2255 * basic-block.h (struct loop): New entries vtop, cont,
2256 cont_dominator, start, end, top, scan_start, exit_labels,
2258 * Makefile.in (LOOP_H): Add basic-block.h to dependencies.
2260 2000-01-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2262 * defaults.h (ASM_OUTPUT_ASCII): Use ISDIGIT.
2264 2000-01-14 Nathan Sidwell <sidwell@codesourcery.com>
2266 * config.in: Rebuilt for 2000-01-13 change to acconfig.h.
2268 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2270 * pdp11-protos.h: New file.
2272 * pdp11.c: Include tm_p.h. Add static prototypes. Fix compile
2275 * pdp11.h: Move prototypes to pdp11-protos.h. Fix compile time
2278 * pdp11.md: Likewise.
2282 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2284 * mn10300-protos.h: New file.
2286 * mn10300.c: Include tm_p.h. Add static prototypes. Fix compile
2289 * mn10300.h: Move prototypes to mn10300-protos.h. Fix compile time
2292 * mn10300.md: Likewise.
2294 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2296 * mn10200-protos.h: New file.
2298 * mn10200.c: Include tm_p.h. Add static prototypes. Fix compile
2301 * mn10200.h: Move prototypes to mn10200-protos.h. Fix compile time
2304 * mn10200.md: Likewise.
2306 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2308 * h8300-protos.h: New file.
2310 * h8300.c: Include tm_p.h. Add static prototypes. Fix compile
2313 * h8300.h: Move prototypes to h8300-protos.h. Fix compile time
2316 * h8300.md: Likewise.
2318 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2320 * varasm.c (asm_output_bss): Mark parameters with ATTRIBUTE_UNUSED.
2321 (asm_emit_uninitialised): Likewise.
2323 2000-01-13 Gavin Romig-Koch <gavin@cygnus.com>
2325 * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): New.
2326 * config/mips/mips.md: Use ISA_HAS_INT_CONDMOVE.
2328 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
2330 * config/mips/mips.c (override_options): Don't turn on extra
2331 alignment for mips16.
2333 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
2335 * config/mips/mips.c (mips_va_arg): Fix fprv for the 32 bit
2336 eabi, and make sure queued POSTINCREMENT rtl is emitted at
2339 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
2341 * builtins.c (PAD_VARARGS_DOWN): Define.
2342 (std_expand_builtin_va_arg): Use the above macro.
2343 * config/mips/mips.h (PAD_VARARGS_DOWN): Define.
2344 * tm.texi (Register Arguments): Document the above macro.
2346 2000-01-14 Nick Clifton <nickc@cygnus.com>
2348 * emit-rtl.c (emit_insn): If checking is enabled, make sure
2349 that this function has not been used to emit a jump
2352 * jump.c (return_jump_1): Cope with being passed a null rtx.
2354 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2356 * eh-common.h: PROTO -> PARAMS.
2357 * emit-rtl.c: Likewise.
2358 * errors.c: Likewise.
2359 * errors.h: Likewise.
2360 * except.c: Likewise.
2361 * except.h: Likewise.
2362 * explow.c: Likewise.
2363 * expmed.c: Likewise.
2366 * final.c: Likewise.
2367 * fix-header.c: Likewise.
2369 * fold-const.c: Likewise.
2370 * function.c: Likewise.
2371 * function.h: Likewise.
2373 * gcov-io.h: Likewise.
2377 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2379 * sh-protos.h: New file.
2381 * sh.c: Include insn-config.h, toplev.h, recog.h and tm_p.h.
2382 Add static prototypes. Fix compile time warnings.
2384 * sh.h: Move prototypes to sh-protos.h. Fix compile time warnings.
2388 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2390 * arc-protos.h: New file.
2392 * arc.c: Include tm_p.h. Add static prototypes. Fix compile
2395 * arc.h: Move prototypes to arc-protos.h. Fix compile time
2400 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2402 * dsp16xx-protos.h: New file.
2404 * dsp16xx.c: Include tm_p.h. Add static prototypes. Fix compile
2407 * dsp16xx.h: Move prototypes to dsp16xx-protos.h. Fix compile time
2410 * dsp16xx.md: Likewise.
2412 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2414 * convex-protos.h: New file.
2416 * convex.c: Include tm_p.h. Add static prototypes. Fix compile
2419 * convex.h: Move prototypes to convex-protos.h. Fix compile time
2422 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2424 * elxsi-protos.h: New file.
2426 * elxsi.c: Include tm_p.h. Add static prototypes. Fix compile
2429 * elxsi.h: Move prototypes to elxsi-protos.h. Fix compile time
2432 * elxsi.md: Likewise.
2434 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
2436 * config/mips/mips.h (REGISTER_MOVE_COST): Remove redundant
2437 case for moving from HI/LO/HI_LO_REG. This makes the behavior
2438 match the comment for MIPS16.
2440 Fri Jan 14 00:28:06 2000 Jeffrey A Law (law@cygnus.com)
2442 * flow.c (split_edge): Do not call set_block_for_insn if we
2443 do not have a basic_block_for_insn structure.
2445 * fr30.h (TRAMPOLINE_TEMPLATE): Use nops to ensure the static chain
2446 and destination functions are 32bit aligned within the trampoline.
2447 (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Corresponding changes.
2448 (TRAMPOLINE_ALIGNMENT): Define.
2450 * cse.c (cse_insn): When changing (set (pc) (reg)) to
2451 (set (pc) (label_ref)), verify the change creates a valid insn.
2453 * fr30.c (call_operand): Tighten and rework to match rules for
2454 call RTL expressions.
2455 * fr30.h (PREDICATE_CODES, case call_operand): Only allow MEMs.
2456 * fr30.md (call patterns): Improve constraints.
2458 Thu Jan 13 23:44:03 2000 Richard Henderson <rth@cygnus.com>
2460 * fr30.c (fr30_expand_epilogue): Revert last change.
2461 Use emit_jump_insn for the return insn.
2463 Thu Jan 13 14:46:03 2000 Jason Eckhardt <jle@cygnus.com>
2464 Stan Cox <scox@cygnus.com>
2466 * predict.c: New file. Preliminary infrastructure work for static
2467 branch prediction and basic block reordering.
2468 * basic-block.h: Add prototype for estimate_probability.
2469 * Makefile.in: Add rules for predict.o.
2471 2000-01-13 Jason Merrill <jason@yorick.cygnus.com>
2473 * fixincludes (va_list): Use __not_va_list__ for the dummy.
2474 * fixinc/*: Likewise.
2476 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2478 * cccp.c: PROTO -> PARAMS.
2480 * collect2.c: Likewise.
2481 * combine.c: Likewise.
2482 * convert.h: Likewise.
2484 * dbxout.c: Likewise.
2485 * dbxout.h: Likewise.
2486 * diagnostic.c: Likewise.
2487 * doprint.c: Likewise.
2488 * dwarf2out.c: Likewise.
2489 * dwarf2out.h: Likewise.
2490 * dwarfout.c: Likewise.
2491 * dwarfout.h: Likewise.
2492 * dyn-string.h: Likewise.
2494 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2496 * calls.c (emit_call_1): Wrap varaible `struct_value_size_rtx' in
2497 macro conditionals guarding use.
2499 * dwarf2out.c: Include "tm_p.h".
2501 * function.c (locate_and_pad_parm): Mark parameter with
2503 (expand_function_end): Likewise for variable `context'.
2505 * reorg.c (make_return_insns): Wrap prototype in macro HAVE_return.
2507 2000-01-13 Nick Clifton <nickc@cygnus.com>
2509 * config/fr30/fr30.c (fr30_expand_epilogue): Emit USEs of pop'ed
2510 register to prevent compile time warnings.
2512 2000-01-13 Zack Weinberg <zack@wolery.cumb.org>
2514 * longlong.h [i386] (udiv_qrnnd): Rename 'd' argument to 'dv'
2515 to avoid -Wtraditional warning.
2517 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2519 * 1750a-protos.h: New file.
2521 * 1750a.c: Include tm_p.h. Add static prototypes. Fix compile
2524 * 1750a.h: Move prototypes to 1750a-protos.h. Fix compile time
2527 * 1750a.md: Likewise.
2529 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2531 * a29k-protos.h: New file.
2533 * a29k.c: Include tm_p.h. Add static prototypes. Fix compile
2536 * a29k.h: Move prototypes to a29k-protos.h. Fix compile time
2539 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2541 * clipper-protos.h: New file.
2543 * clipper.c: Include tm_p.h. Add static prototypes. Fix compile
2546 * clipper.h: Move prototypes to clipper-protos.h. Fix compile time
2549 Thu Jan 13 16:03:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2551 * reload1.c (reload_combine_note_store): Use HARD_REGNO_NREGS.
2553 2000-01-13 Nathan Sidwell <sidwell@codesourcery.com>
2555 * configure.in (--enable-new-gxx-abi): New option.
2556 * acconfig.h (ENABLE_NEW_GXX_ABI): New define.
2557 * Makefile.in (GXX_ABI_FLAG): New variable.
2558 * configure: Regenerate.
2560 2000-01-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2562 * stor-layout.c (layout_type): Use FORCE_STRUCT_BLK.
2563 * tm.texi (FORCE_STRUCT_BLK): Document.
2564 * config/c4x/c4x.h (FORCE_STRUCT_BLK): New macro.
2566 Wed Jan 12 23:12:47 2000 Hans-Peter Nilsson <hp@axis.com>
2568 * config/ns32k/ns32k.md: Revert Jan 9 change.
2570 * genrecog.c (maybe_both_true_2): Do not compare a predicate-test
2571 to a mode-test, if the predicate is address_operand.
2573 Wed Jan 12 22:34:00 2000 Jeffrey A Law (law@cygnus.com)
2575 * combine.c (if_then_else_cond): Be careful about what kinds
2576 of RTL expressions are passed to operand_subword.
2578 * flow.c (split_edge): If we have to insert a new jump, make
2579 sure to associate it with a basic block.
2581 * flow.c (commit_one_edge_insertion): A block with one successor
2582 can end in a JUMP_INSN that is not a simplejump.
2584 2000-01-12 Robert Lipe <robertl@sco.com>
2586 * i386/sco5.h (INIT_SECTION_ASM_OP_COFF): Rename section to "ctor".
2587 (BUILD_VA_LIST_TYPE): Define.
2588 (EH_FRAME_SECTION_ASM_OP): Explictly define to better interact
2591 2000-01-12 Jason Merrill <jason@casey.cygnus.com>
2593 * cccp.c (do_pragma): Add cast to (char *).
2595 2000-01-12 Richard Henderson <rth@cygnus.com>
2596 Fred Fish <fnf@be.com>
2597 Jason Merrill <jason@cygnus.com>
2599 * configure.in (i?86-*-beos{pe,elf,}*): Recognize.
2600 * i386/t-beos, i386/x-beos, i386/xm-beos.h: New files.
2601 * i386/beos-elf.h, i386/beos-pe.h: New files.
2603 * Makefile.in (CROSS_SYSTEM_HEADER_DIR): New.
2604 * cross-make (SYSTEM_HEADER_DIR): Define using
2605 CROSS_SYSTEM_HEADER_DIR.
2607 * gcc.c (LIBRARY_PATH_ENV): Provide default.
2608 (process_command): Use it.
2609 (main): Likewise. Kill trailing = from env vars.
2610 (build_search_list): Put it back.
2611 * collect2.c (main): Use LIBRARY_PATH_ENV.
2613 * configure.in (GCC_NEED_DECLARATIONS): Add environ.
2614 * toplev.c: Use NEED_DECLARATION_ENVIRON.
2616 * tm.texi (Frame Layout): Document SMALL_STACK.
2617 * c-common.c (c_common_nodes_and_builtins): Check it.
2619 * system.h: Undef alloca after including glibc's <stdlib.h>,
2620 if USE_C_ALLOCA is defined.
2622 * gcc.c (set_input): New fn.
2623 (main): After all input files are compiled, reset the input file
2626 * aclocal.m4 (rindex, index): If already defined, don't attempt
2629 * ginclude/varargs.h: (__va_list__): Define ifndef.
2630 * ginclude/stdarg.h: Likewise.
2632 * ginclude/stddef.h (__WCHAR_TYPE__) [BEOS]: Use int
2633 instead of unsigned char.
2635 * hash.h (true, false, boolean): Undef before enum.
2637 * expmed.c (choose_multiplier): Cast &mhigh_lo and &mhigh_hi to be
2638 proper type of "HOST_WIDE_INT *", rather than their natural type of
2639 "unsigned HOST_WIDE_INT *".
2641 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2643 * svr3.h (ASM_FILE_START): Wrap if-clause in squigly brackets.
2645 * recog.c (memory_address_p): Mark parameter with ATTRIBUTE_UNUSED.
2647 * regclass.c (choose_hard_reg_mode): Likewise.
2649 * reload.c (find_valid_class, strict_memory_address_p): Likewise.
2651 * reorg.c (optimize_skip): Wrap prototype in macro conditionals.
2653 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2655 * c-common.c: PROTO -> PARAMS.
2656 * c-common.h: Likewise.
2657 * c-decl.c: Likewise.
2658 * c-iterate.c: Likewise.
2659 * c-lang.c: Likewise.
2660 * c-lex.c: Likewise.
2661 * c-lex.h: Likewise.
2662 * c-parse.in: Likewise.
2663 * c-pragma.c: Likewise.
2664 * c-pragma.h: Likewise.
2665 * c-tree.h: Likewise.
2666 * c-typeck.c: Likewise.
2667 * objc/objc-act.c: Likewise.
2668 * objc/objc-act.h: Likewise.
2670 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2672 * m88k-protos.h: New file.
2674 * m88k.c: Include tm_p.h. Add static prototypes. Fix compile
2677 * m88k.h: Move prototypes to m88k-protos.h. Fix compile time warnings.
2679 * m88k.md: Likewise.
2681 * tekXD88.h: Likewise.
2683 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2685 * m68k-protos.h: New file.
2687 * m68k.c: Include tm_p.h. Add static prototypes. Fix compile
2690 * m68k.h: Move prototypes to m68k-protos.h. Fix compile time warnings.
2692 * mot3300.h: Likewise.
2694 2000-01-12 Richard Earnshaw <rearnsha@arm.com>
2696 * haifa-sched.c (split_edges): Pass edgeset_size as second arg to
2698 (extract_bitlist): Declare bitlen.
2700 2000-01-12 Zack Weinberg <zack@wolery.cumb.org
2702 * cccp.c: Accept and ignore -lang-fortran.
2704 * c-typeck.c (build_c_cast): Issue -Wcast-qual warnings if the
2705 qualifiers don't match at any level of pointerness.
2707 2000-01-12 Robert Lipe <robertl@sco.com>
2709 * i386/sysv5.h (CPP_SPEC, LIBSPEC): Add -pthreadT.
2711 2000-01-12 Bernd Schmidt <bernds@cygnus.co.uk>
2713 * reload1.c (reload_reg_unavailable): New static variable.
2714 (reload_reg_free_p): Test it.
2715 (reload_reg_free_for_value_p): Test it instead of
2717 (choose_reload_regs_init): Compute it.
2719 Wed Jan 12 03:24:41 2000 Toshiyasu Morita (toshi.morita@sega.com)
2721 * reorg.c (fill_slots_from_thread): Check modified_in_p
2724 Wed Jan 12 03:20:31 2000 John Marshall <john_w_marshall@palm.com>
2726 * gcc.texi (Funding, GNU/Linux, Copying, Contributors): Format
2727 these nodes even if INTERNALS is not set.
2729 Wed Jan 12 09:39:22 2000 Nick Burrett <nick.burrett@btinternet.com>
2731 * gcse.c (delete_null_pointer_checks_1): Cope when
2732 get_condition cannot determine the condition.
2734 2000-01-12 Gabriel Dos Reis <gdr@codesourcery.com>
2736 * toplev.h (set_message_length): Declare.
2738 * diagnostic.c (obstack_chunk_alloc): Define macro.
2739 (obstack_chunk_free): Likewise.
2740 (struct output_buffer): New data structure.
2742 (output_maximum_width): New variable.
2743 (doing_line_wrapping, set_message_length, init_output_buffer,
2744 get_output_prefix, output_space_left, emit_output_prefix,
2745 output_newline, output_append, output_puts, dump_output,
2746 vbuild_message_string, build_message_string, build_location_prefix,
2747 voutput_notice, output_printf, line_wrapper_printf,
2748 vline_wrapper_message_with_location): New functions. Implement
2749 automatic line wrapping.
2750 (v_message_with_decl): Make it handle automatic line wrapping.
2751 (v_error_with_file_and_line): Likewise.
2752 (v_warning_with_file_and_line): Likewise.
2753 (announce_function): Likewise.
2754 (default_print_error_function): Likewise.
2756 2000-01-11 16:24 -0800 Zack Weinberg <zack@wolery.cumb.org>
2758 * cpplib.h (struct cpp_options): Change lang_asm to char.
2760 * cppinit.c (builtin_array): Take out __STDC_VERSION__, it's
2761 done in cpp_handle_option now.
2762 (initialize_builtins): Take out special case code used only by
2764 (cpp_handle_option): Turn off trigraphs and trigraph warnings
2765 if -traditional. Recognize -lang-fortran and set
2766 lang_fortran, also turn off cplusplus_comments.
2767 (print_help): Document -lang-fortran.
2768 * cpplib.c (handle_directive): Ignore `# 123 "file"' if
2769 lang_asm. Ignore all directives other than `# 123 "file"' if
2771 (cpp_get_token): If -traditional, don't recognize directives
2772 unless the # is in column 1.
2773 (parse_string): If lang_fortran or lang_asm, silently
2774 terminate strings ('' or "") at end of line.
2775 Remove unnecessary braces.
2777 2000-01-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
2778 Richard Henderson <rth@cygnus.com>
2780 * resource.c (mark_referenced_resources): Mark a set strict_low_part
2782 * config/i386/i386.c (ix86_expand_setcc): Re-enable clear + set
2783 strict_low_part when possible.
2785 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2787 * alias.c: PROTO -> PARAMS.
2788 * basic-block.h: Likewise.
2789 * bitmap.c: Likewise.
2790 * bitmap.h: Likewise.
2791 * builtins.c: Likewise.
2792 * c-aux-info.c: Likewise.
2793 * caller-save.c: Likewise.
2794 * calls.c: Likewise.
2796 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2798 * Makefile.in (toplev.o): Depend on regs.h.
2800 * output.h (tdesc_section): Prototype.
2802 * regclass.c (copy_cost): Mark parameters with ATTRIBUTE_UNUSED.
2804 * sdbout.c: Include "tm_p.h".
2806 * toplev.c: Include "regs.h".
2808 Tue Jan 11 11:37:58 2000 Mike Stump <mrs@wrs.com>
2810 * unroll.c (unroll_loop): Add EH support.
2812 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2814 * pa-protos.h: New file.
2816 * pa.c: Include recog.h and tm_p.h.
2817 (compute_zdepwi_operands, compute_movstrsi_length,
2818 remove_useless_addtr_insns, store_reg, load_reg, set_reg_plus_d,
2819 find_addr_reg, import_milli): Add static prototypes.
2820 (pa_cpu_string, pa_arch_string): Constify a char*.
2821 (legitimize_pic_address): Pass argument `mode' to pic_label_operand.
2822 (read_only_operand): Add argument `mode'.
2823 (singlemove_string, output_move_double, output_fp_move_double,
2824 output_block_move, output_and, output_ior, output_ascii,
2825 remove_useless_addtr_insns, milli_names, output_mul_insn,
2826 output_div_insn, output_mod_insn, output_arg_descriptor,
2827 output_cbranch, output_bb, output_bvb, output_dbra, ,
2828 output_millicode_call, output_call, hppa_encode_label,
2829 output_parallel_movb, output_parallel_addb): Constify a char*.
2830 (hppa_va_start): Mark parameter `stdarg_p' with ATTRIBUTE_UNUSED.
2831 (output_parallel_addb): Remove extra arg to `constrain_operands'
2833 * pa.h: Move all prototypes to pa-protos.h.
2834 (pa_cpu_string, pa_arch_string): Constify a char*.
2835 (LEGITIMIZE_ADDRESS): Call `symbolic_operand' with mode argument.
2837 * pa.md: Call `function_label_operand' with mode argument.
2838 Likewise for `read_only_operand'.
2839 Fix nesting of parens in call to `symbolic_operand'.
2841 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2843 * i860-protos.h: New file.
2845 * i860.c: Include tm_p.h. Add static prototypes. Fix compile
2848 * i860.h: Move prototypes to i860-protos.h. Fix compile time warnings.
2850 * i860.md: Likewise.
2852 Tue Jan 11 18:59:35 MET 2000 Jan Hubicka <jh@suse.cz>
2854 * i386.md (movstrsi expander): Rewrite.
2855 (movstrsi_1 insn): Deleted.
2856 (strmovhi, strmovqi expander): New expanders.
2857 (movshi_1, movsqi_1, rep_movsi, rep_movqi): New patterns.
2858 * i386.c (x86_single_stringop): New global variable.
2859 * i386.h (x86_single_stringop): Declare.
2860 (TARGET_SINGLE_STRINGOP): New macro.
2862 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
2864 * config/mips/mips.c (mips_va_arg): For EABI, emit the queued
2865 integer vararg POSTINCREMENT before the destination of the jump
2866 for the hard fp case.
2867 (function_arg_pass_by_reference): Pass a copy of CUM to
2870 * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Move check
2871 for CONSTANT_ADDRESS_P above while loop for subreg.
2873 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
2875 * flow.c (propagate_block): When a prologue/epilogue insn
2876 is marked dead, unconditionally clear libcall_is_dead and
2877 insn_is_dead, and only dump rtl if warnings aren't being
2880 Tue Jan 11 16:26:47 MET 2000 Jan Hubicka <jh@suse.cz>
2882 * i386.c (ix86_attr_length_default): Handle TYPE_STR and TYPE_CLD.
2883 * i386.md (FIRST_PSEUDO_REGISTER): Set to 20.
2884 (FIXED_REGISTERS): Set dirflag as fixed.
2885 (CALL_USED_REGISTERS): Set dirflag as used.
2886 (REG_ALLOC_ORDER): Set dirflag as last one.
2887 (DIRFLAG_REG): New macro.
2888 (MD_ASM_CLOBBERS): Asm clobber dirflag for backward compatibility.
2889 (HI_REGISTER_NAMES): Add dirflag.
2890 (DEBUF_PRINT_REG): Handle dirflag.
2891 * i386.md (type attribute): New cld and str types.
2892 (length_opcode attribute): Set cld and str to 1.
2893 (memory attribute): Set str to unknown - it is not clear from the
2895 (pent_np function unit): Prefixed string operations takes 12 cycles
2896 minimally; cld takes 2 cycles.
2897 (ppro_uops attribute): Str is "many" and cld is "few".
2898 (ppro_p0 unit): Handle cld here.
2899 (k6_alux unit): Handle cld and str types.
2900 (k6_load unit): It is ocupied by str opcodes.
2901 (k6_store unit): It is ocupied by str opcodes.
2902 (athlon_decode): Str is vector decoded.
2903 (athlon_ieu): Handle str and cld.
2905 (movstrsi, clrstr, cmpstr, strlen expander): Emit cld instruction
2906 (movstrsi_1, clrstrsi_1, cmpstrsi_1, strlensi_1,
2907 cmpstrsi_nz_1 insn): Do not output cld instruction
2909 Tue Jan 11 06:14:39 2000 David Starner <dstarner98@aasaa.ofe.org>
2911 * gcc.texi (G++ and GCC): Add Java and Chill.
2912 (Bug Critera): Don't list languages.
2914 * gcc.texi (Incompatibilities): No longer claim most C compilers
2917 * gcc.texi (G++ and GCC): Update other front-ends list.
2919 Tue Jan 11 05:49:01 2000 Jeffrey A Law (law@cygnus.com)
2921 * i386.c (ix86_expand_setcc): Fix typo.
2922 (ix86_expand_movcc): Similarly.
2924 * Band-aid until haifa's bitset implementation is nuked.
2925 * haifa-sched.c (extract_bitlst): New parameter for size of the
2926 bitset in bits. All callers changed. Avoid looking at undefined
2928 (edgeset_bitsize): New variable.
2929 (schedule_region): Initialize edgeset_bitsize.
2931 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2933 * Makefile.in (optabs.o): Depend on real.h
2934 (resource.o): Depend on insn-attr.h
2936 * builtins.c (result_vector): Wrap prototype in macro conditions
2937 governing definition and use.
2939 * c-common.c: Include tm_p.h.
2941 * c-lex.c: Likewise.
2943 * elfos.h: Constify a char*.
2945 * final.c (align_fuzz): Wrap prototype in macro HAVE_ATTR_length.
2946 (get_attr_length, shorten_branches, profile_after_prologue): Mark
2947 parameter with ATTRIBUTE_UNUSED.
2949 * fold-const.c (exact_real_inverse): Wrap variable `i' in
2952 * haifa-sched.c (schedule_insns): Mark parameter with
2955 * optabs.c: Include real.h.
2957 * real.h (ereal_atof): Add prototype arguments.
2959 * resource.c: Include insn-attr.h.
2961 * sdbout.c (sdbout_queue_anonymous_type,
2962 sdbout_dequeue_anonymous_types): Wrap in macro
2963 SDB_ALLOW_FORWARD_REFERENCES.
2964 (sdbout_init, sdbout_start_new_source_file): Mark parameter with
2967 * stmt.c (expand_return): Wrap variable `op0' in macro HAVE_return.
2969 * stupid.c: Include tm_p.h.
2971 * tree.c (real_value_from_int_cst): Mark parameter with
2974 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2976 * i960-protos.h: New file.
2978 * i960.c: Include tm_p.h. Add static prototypes. Fix compile
2981 * i960.h: Move prototypes to i960-protos.h. Fix compile time warnings.
2983 2000-01-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
2985 * combine.c (expand_field_assignment): Do not discard SUBREGs
2986 while computing nonzero_bits.
2988 2000-01-09 Nick Clifton <nickc@cygnus.com>
2990 * config/arm/arm.c: Fix compile time warnings about signed vs
2992 * config/arm/arm.h: Fix compile time warnings about signed vs
2995 2000-01-09 Philip Blundell <philb@gnu.org>
2997 * config/arm/arm.c (output_return_instruction): Use `ldr' rather
2998 than `ldm' with only one register.
2999 * config/arm/arm.md (push_multi): Use `str' rather than `stm' with
3002 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Say that R0 is
3005 Sun Jan 9 17:50:23 2000 Hans-Peter Nilsson <hp@axis.com>
3007 * config/ns32k/ns32k.md (load or push effective address): Operand 1
3010 2000-01-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3012 * elfos.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
3013 assignment used as truth value.
3015 * function.c (assign_temp): Mark parameter `dont_promote' with
3016 ATTRIBUTE_UNUSED. Wrap variable `unsignedp' with macro
3017 PROMOTE_FOR_CALL_ONLY.
3019 * genrecog.c (write_subroutine): Mark variable `operands' with
3022 * optabs.c (prepare_cmp_insn): Mark parameter `align' with
3025 * sdbout.c (sdbout_init): Likewise for parameter `asm_file'.
3026 (sdbout_begin_block, sdbout_end_block): Likewise for `file'.
3028 * toplev.c (note_deferral_of_defined_inline_function): Likewise
3031 2000-01-09 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3033 * config/c4x.h: Tidy up comments.
3034 * config/c4x.c: Likewise.
3036 Sun Jan 9 01:02:55 EST 2000 John Wehle (john@feith.com)
3038 * fold-const.c (lshift_double, rshift_double): Handle
3039 shifting by 2 * HOST_BITS_PER_WIDE_INT correctly.
3041 2000-01-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
3043 * toplev.c (rest_of_compilation): Initialize cse_not_expected as
3044 in prepare_function_start().
3046 Sat Jan 8 12:12:46 2000 Nick Clifton <nickc@cygnus.com>
3048 * config/v850/v850.c (expand_epilogue): Interrupt functions no
3049 longer allocate extra stack for function calls.
3051 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3053 * config/c4x/c4x.md (*subqf3_set): Fix typo.
3055 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3057 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Define as 0.
3059 2000-01-07 David Edelsohn <edelsohn@gnu.org>
3061 * rs6000.c (processor_target_table): Add power3 as alias for 630.
3062 * aix43.h: Revert Aug 2 change.
3063 (HAS_INIT_SECTION): Define, not visible yet.
3064 (LD_INIT_SWITCH): Define, not visible yet.
3065 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
3067 * glimits.h (__LONG_MAX__): Recognize 64-bit AIX too.
3069 * collect2.c (main): Expand ld2 size further.
3070 (export_object_lst): Cast assignment to avoid warning.
3071 (main, LD_INIT_SWITCH): Add AIX 4.2+ -binitfini support.
3072 (scan_prog_file, COFF): Do not collect initialization or
3073 finalization functions generated for entire shared object if
3074 init/fini support present.
3076 2000-01-07 Nick Clifton <nickc@cygnus.com>
3078 * config/elfos.h: Tidy up formatting of marcos. Make sure
3079 that .section directives are always prefixed by a tab.
3081 * config/svr4.h: Add #include "elfos.h" and remove duplicate
3084 2000-01-07 Matt Austern <austern@sgi.com>
3086 * fold-const.c (real_hex_to_f): Remove duplicate declaration of
3089 Fri Jan 7 01:55:34 2000 Jeffrey A Law (law@cygnus.com)
3091 * Makefile.in (crtend.o): Pass @inhibit_libc@ to compilation of
3093 (crtbegin.o, s-crtS): Likewise.
3095 2000-01-06 Richard Henderson <rth@cygnus.com>
3097 * alpha.md (adddi_2+1): Limit offset such that it will be
3098 loadable with a single ldah+lda pair.
3099 (adddi_2+2): Explicitly fail split if we can't make it work.
3101 2000-01-06 Mumit Khan <khan@xraylith.wisc.edu>
3103 * protoize.c: Conditionally include unistd.h.
3104 (IS_SAME_PATH_CHAR): New macro.
3105 (IS_SAME_PATH): New macro.
3106 (CPLUS_FILE_SUFFIX): New macro.
3107 (cplus_suffix): New static variable.
3108 (is_abspath): New static function.
3109 (in_system_include_dir): Handle DOS style pathnames.
3110 (file_could_be_converted): Likewise.
3111 (file_normally_convertible): Likewise.
3112 (directory_specified_p): Likewise.
3113 (file_excluded_p): Likewise.
3114 (abspath): Likewise.
3115 (shortpath): Likewise.
3116 (referenced_file_is_newer): Likewise.
3117 (save_def_or_dec): Likewise.
3118 (do_processing): Likewise.
3120 (edit_file): Likewise. Use rename instead of link.
3121 (rename_c_file): Likewise. Don't rename syscalls file.
3122 (munge_compile_params): Define null device for DOS based systems.
3123 (process_aux_info_file): Use binary mode if appliable.
3124 (edit_file): Likewise.
3125 * invoke.texi (Running Protoize): Document C++ suffixes used.
3127 * cccp.c: Delete PATH_SEPARATOR, DIR_SEPARATOR and
3128 IS_DIR_SEPARATOR macros.
3129 * collect2.c: Likewise.
3130 * cppinit.c: Likewise.
3131 * dwarf2out.c: Likewise.
3134 * prefix.c: Likewise.
3136 * toplev.c: Likewise.
3137 * system.h: And move to here.
3139 * prefix.c (update_path): Fix typo in variable name.
3141 2000-01-06 Richard Henderson <rth@cygnus.com>
3143 * flow.c (mark_set_1): Use loop_depth+1 as reference weight.
3144 (find_auto_inc, mark_used_regs, try_pre_increment_1): Likewise.
3145 (count_reg_sets_1, count_reg_references): Likewise.
3146 (flow_loops_level_compute): Start counting actual loop depth at 1.
3147 (flow_loops_find): Likewise.
3148 * local-alloc.c (update_equiv_regs): Likewise.
3149 * regclass.c (regclass): Re-instate Jan 4 0-based loop_depth change.
3151 2000-01-06 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
3153 * defaults.h (DWARF_FRAME_REGISTERS): if not defined, default to
3154 FIRST_PSEUDO_REGISTER
3155 * dwarf2out.c: Don't include frame.h
3156 * dwarfout.c: Likewise
3157 * Makefile.in (dwarfout.o, dwarf2out.o): Remove dependence on
3160 Thu Jan 6 13:44:59 CET 2000 Jan Hubicka <jh@suse.cz>
3162 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
3165 * i386.c (movsf splitter): Fix typo in my last checkin.
3167 2000-01-05 Nick Clifton <nickc@cygnus.com>
3169 * varasm.c (IN_NAMED_SECTION): Allow targets to provide their
3170 own definition of this macro.
3171 (asm_emit_uninitialised): Invoke UNIQUE_SECTION if either
3172 flag_data_sections or UNIQUE_SECTION_P are true.
3174 * tm.texi (UNIQUE_SECTION): Document that it can be called for
3175 unitialised data decls.
3177 * config/i386/winnt.c (i386_pe_unique_section): Cope with
3178 being called for uninitialised data.
3180 * config/i386/interix.c (i386_pe_unique_section): Cope with
3181 being called for uninitialised data.
3183 * config/mips/elf.h (UNIQUE_SECTION): Cope with being called
3184 for uninitialised data.
3186 * config/mips/elf64.h (UNIQUE_SECTION): Cope with being called
3187 for uninitialised data.
3189 * config/mips/iri6gld.h (UNIQUE_SECTION): Cope with being called
3190 for uninitialised data.
3192 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Define.
3193 (UNIQUE_SECTION_P): Always generate a unique section if
3194 flag_data_sections is true.
3195 (UNIQUE_SECTION): Also generate unique sections for
3197 (ASM_OUTPUT_ALIGNED_BSS): Redefine to use named_section().
3198 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Redefine to use
3201 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3203 * config/c4x/t-c4x (TARGET_LIBGCC2_CFLAGS): Don't redefine SF, DF,
3206 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3208 * config/c4x/c4x.md (udivqi3, divqi3): Delete.
3209 (umodqi3, modqi3, udivhi3, divhi3, umodhi3, modhi3, ffsqi2): Likewise.
3210 (*smulqi3_highpart_noclobber, *umulqi3_highpart_noclobber): New.
3211 (*lshrqi3_const_noclobber, *lshrqi3_nonconst_noclobber): Likewise.
3212 (*ashrqi3_const_noclobber, *ashrqi3_nonconst_noclobber): Likewise.
3214 * c4x.h (INIT_TARGET_OPTABS): Define to init libcalls.
3216 2000-01-05 11:25 -0800 Zack Weinberg <zack@rabi.columbia.edu>
3218 * c-decl.c (finish_enum): Simplify code to determine minimum and
3219 maximum values of the enum, and calculate the type. Remove check
3220 for FUNCTION_DECLs in the values list, which cannot happen. Replace
3221 the DECL_INITIAL of each enumeration constant with a copy converted
3222 to the enumeration type. When updating variant types, don't bother
3223 updating the type itself.
3225 * c-typeck.c (build_binary_op): Simplify conditional expressions
3226 when weeding out spurious signed-unsigned warnings. Add new
3227 spurious warning category: if the unsigned quantity is an enum
3228 and its maximum value fits in signed_type(result_type). Update
3230 (build_conditional_expr): Warn here if one alternative is signed
3231 and the other is unsigned.
3233 2000-01-05 Nick Clifton <nickc@cygnus.com>
3235 * config/fr30/fr30.h: Remove extraneous comments.
3237 2000-01-05 Bernd Schmidt <bernds@cygnus.co.uk>
3239 * reload1.c (choose_reload_regs): When disabling a reload, also
3240 set reload_spill_index to -1.
3242 2000-01-04 Joel Sherrill (joel@OARcorp.com>
3244 * configure.in (m68*-*-rtemscoff*): New target, formal name for
3246 (m68*-*-rtemself*): New target.
3247 (mips64orion-*-rtems*): Remove duplicate definition of tm_file.
3248 (sparc*-*-rtemsaout*): New target, formal name for old sparc*-*-rtems*.
3249 (sparc*-*-rtemself*): New target.
3250 (sparc*-*-rtems*): Now elf not a.out.
3251 * config/i386/rtems.h: Include config/rtems.h.
3252 * config/i386/rtemself.h: Include config/rtems.h.
3253 * config/i960/rtems.h: Include config/rtems.h.
3254 * config/m68k/rtems.h: Include config/rtems.h.
3255 * config/m68k/rtemself.h: Include config/rtems.h.
3256 * config/mips/rtems64.h: Include config/rtems.h.
3257 * config/pa/rtems.h: Include config/rtems.h.
3258 * config/rs6000/rtems.h: Include config/rtems.h.
3259 * config/sh/rtems.h: Include config/rtems.h.
3260 * config/sh/rtemself.h: Include config/rtems.h.
3261 * config/sparc/rtems.h: Include config/rtems.h.
3262 * config/sparc/rtemself.h: Include config/rtems.h
3264 Tue Jan 4 23:59:26 2000 Denis Chertykov <denisc@overta.ru>
3266 * final.c (shorten_branches): Correctly compute length of
3267 asms without operands.
3269 Tue Jan 4 22:55:41 2000 Steve Chamberlain <sac@pobox.com>
3271 * configure.in: Add pj target.
3272 * configure: Regenerate.
3273 * config/pj: New directory.
3274 * config/pj/lib1funcs.S: New file.
3275 * config/pj/linux.h: New file.
3276 * config/pj/pj.c: New file.
3277 * config/pj/pj.md: New file.
3278 * config/pj/pjl.h: New file.
3279 * config/pj/t-pj: New file.
3280 * config/pj/xm-pj.h: New file
3282 Tue Jan 4 22:30:16 2000 Jeffrey A Law (law@cygnus.com)
3284 * toplev.c (rest_of_compilation): Run shorten-branches before
3287 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3289 * config/c4x/c4x.h (IS_XXX_REG, IS_XXX_REGNO): Swap behaviour of
3290 macros so that they're consistent with their names.
3291 * config/c4x/c4x.c (IS_XXX_REG, IS_XXX_REGNO): Likewise.
3292 * config/c4x/c4x.md (IS_XXX_REG, IS_XXX_REGNO): Likewise.
3294 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3296 * config/c4x/c4x.md (*addqi3_noclobber_reload): Ensure that CC never
3297 modified inadvertently.
3299 2000-01-04 Joel Sherrill <joel@OARcorp.com>
3301 * configure.in (v850*-*-rtems*): New target.
3302 * configure: Regenerate.
3303 * config/v850/rtems.h: New file.
3305 2000-01-04 Mumit Khan <khan@xraylith.wisc.edu>
3307 * gthr-win32.h (__gthread_active_p): Support Mingw MT runtime.
3308 (__gthread_key_create): Likewise.
3309 (__gthread_key_dtor): Likewise.
3310 (__gthread_once): Fix logic.
3311 (__gthread_key_delete): Cast away constness.
3313 * i386/cygwin.h (SUBTARGET_SWITCHES): Add -mthreads option.
3314 * invoke.texi: Document.
3315 * i386/mingw32.h (CPP_SPEC): Use.
3316 (LIBGCC_SPEC): Likewise.
3317 * i386/crtdll.h (LIBGCC_SPEC): Likewise.
3319 2000-01-04 David Edelsohn <edelsohn@gnu.org>
3321 * rs6000/sysv4.h (ASM_OUTPUT_DEF): Undefine.
3322 (HANDLE_PRAGMA_PACK): Undefine.
3323 (SLOW_UNALIGNED_ACCESS): Define.
3325 2000-01-04 David Edelsohn <edelsohn@gnu.org>
3327 * expmed.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
3328 to default definition.
3329 (store_bit_field): Call SLOW_UNALIGNED_ACCESS with mode and alignment.
3330 (store_fixed_bit_field): Call macro with word_mode and alignment.
3331 (extract_bit_field): Call macro with relevant mode and alignment.
3332 * expr.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
3333 to default definition.
3334 (move_by_pieces): Call SLOW_UNALIGNED_ACCESS with word_mode
3336 (move_by_pieces_ninsns): Likewise.
3337 (clear_by_pieces): Likewise.
3338 (emit_push_insn): Likewise.
3339 (store_field): Call macro with relevant mode and alignment.
3340 (expand_expr): Likewise.
3341 (expand_expr_unaligned): Likewise.
3343 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
3344 (SLOW_UNALIGNED_ACCESS): Define.
3345 (CASE_VECTOR_MODE): Always use 32-bit offsets.
3346 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
3347 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
3348 (toc_section): Likewise and .toc pseudo-op.
3349 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
3351 (TEXT_SECTION_ASM_OP): Likewise.
3352 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
3355 * a29k.h (SLOW_UNALIGNED_ACCESS): Add MODE and ALIGN parameters.
3356 * alpha.h (SLOW_UNALIGNED_ACCESS): Likewise.
3357 * arm/thumb.h (SLOW_UNALIGNED_ACCESS): Likewise.
3358 * gmicro.h (SLOW_UNALIGNED_ACCESS): Likewise.
3359 * fr30.h (SLOW_UNALIGNED_ACCESS): Likewise.
3361 Tue Jan 4 11:44:13 2000 Jeffrey A Law (law@cygnus.com)
3363 * regclass.c: Revert my Jan 4 change to loop cost computation.
3365 Tue Jan 4 19:22:39 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
3367 * regclass.c (regclass): Do not obey REG_N_REFS in non-optimizing
3370 2000-01-04 Stan Cox <scox@cygnus.com>
3372 * haifa-sched.c (build_control_flow): Change unreachable simple
3373 loop test to check if current block has only one predecessor.
3374 (find_rgns): Initialize degree. Use dest as degree index, not src.
3376 2000-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3378 * builtins.c (expand_builtin_strlen): Initialize variable `icode'.
3380 * calls.c (expand_call): Likewise for
3381 `old_stack_arg_under_construction'.
3383 * cpphash.c (macroexpand): Likewise for `args' and `rest_zero'.
3385 * function.c (pad_to_arg_alignment): Likewise for `save_var' and
3388 * gcc.c (execute): Likewise for `ut' and `st'.
3390 * genattrtab.c (attr_rtx): Likewise for `rt_val'.
3392 * genopinit.c (gen_insn): Likewise for `m1', `m2' and `op'.
3394 * jump.c (jump_optimize_1): Likewise for `temp2'.
3396 * local-alloc.c (block_alloc): Likewise for `r1'.
3398 * loop.c (recombine_givs): Likewise for `life_start' and `life_end'.
3400 * reg-stack.c (check_asm_stack_operands): Likewise for `clobber_reg'.
3401 (subst_asm_stack_regs): Likewise for `clobber_reg' and `clobber_loc'.
3403 * regmove.c (fixup_match_1): Likewise for `insn_const', `dst_node'
3406 * reload.c (find_reloads): Likewise for `goal_alternative_number'
3407 and `goal_earlyclobber'.
3409 * scan-decls.c (scan_decls): Likewise for `prev_id_end'.
3411 * sdbout.c (sdbout_one_type): Likewise for `member_scl'.
3413 * stupid.c (stupid_life_analysis): Likewise for `chain'.
3415 * unroll.c (copy_loop_body): Likewise for `copy'.
3417 * varasm.c (output_constructor): Likewise for `byte'.
3419 Tue Jan 4 15:34:34 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
3421 * i386.c (ix86_expand_move): Allow pushes of memory, offload to memory
3422 all FP constants for constant->reg moves.
3423 (ix86_split_to_parts): Try to convert memory address into immediate
3424 when available in the constant pool.
3425 * i386.h (PREFERRED_RELOAD_CLASS): Allow CONST_DOUBLE->integer reg
3427 (LEGITIMATE_CONSTANT_P): Return 1.
3428 * i386.md (pushsf): New splitter to convert constant pool memory
3429 reference to immediate.
3430 (mov?f): Likewise; do not allow CONST_DOUBLE for reg moves before
3433 2000-01-04 Bernd Schmidt <bernds@cygnus.co.uk>
3435 * i386.md (ashlsi3_cmpno): Don't accept variables shifts.
3436 (ashlhi3_cmpno, ashlqi3_cmpno, ashrsi3_cmpno, ashrhi3_cmpno,
3437 ashrqi3_cmpno, lshrsi3_cmpno, lshrhi3_cmpno, lshrqi3_cmpno): Likewise.
3438 (rotlsi3_cmpno, rotlhi3_cmpno, rotlqi3_cmpno, rotrsi3_cmpno,
3439 rotrhi3_cmpno, rotrqi3_cmpno): Likewise.
3441 2000-01-04 Martin von Löwis <loewis@informatik.hu-berlin.de>
3443 * ginclude/stdbool.h: Support compilation as C++.
3445 Tue Jan 4 01:35:13 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3447 * fold-const.c (make_range): Don't try to reverse an unbounded range.
3449 Tue Jan 4 00:18:46 2000 Jeffrey A Law (law@cygnus.com)
3451 * regclass.c (regclass): Properly compute loop_cost. Adjust
3454 * regclass.c: Fix minor whitespace problems.
3456 2000-01-03 Anthony Green <green@cygnus.com>
3458 * config/i386/i386.md (builtin_setjmp_receiver): New pattern.
3459 Restore the pic register if required.
3461 2000-01-03 Ulrich Drepper <drepper@cygnus.com>
3463 * c-common.c (format_char_info): Update comment.
3464 (check_format_info): Recognize 'z' modifier in the same way 'Z'
3465 was recognized. Emit warning for formats new in ISO C99 only
3466 if flag_isoc9x is not set.
3468 Mon Jan 3 12:59:54 2000 Mark P. Mitchell <mark@codesourcery.com>
3470 * config/mips/iris6gld.h: Fix typo in -mabi=n32 specs.
3472 Mon Jan 3 15:33:37 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
3474 * combine.c (expand_compound_operation): Do not convert ZERO_EXTEND to
3475 SIGN_EXTEND, convert SIGN_EXTEND to ZERO_EXTEND.
3476 (make_compound_operation): Choose cheaper alternative between
3477 ZERO_EXTEND and SIGN_EXTEND when sign bit is not set.
3479 * regclass.c (op_costs): Remove global variable.
3480 (record_reg_classes): New parameter "op_costs" and "reg_pref".
3481 (record_operand_costs): Break out from ...
3482 (scan_one_insn): ... here.
3483 (dump_regclass): Make dumps nicer.
3484 (regclass): Dump preferrences choosed and changes done during passes.
3486 2000-01-03 Jakub Jelinek <jakub@redhat.com>
3488 * config/sparc/sparc.c (gen_df_reg): Fix for 32bit SPARC.
3490 2000-01-03 Jakub Jelinek <jakub@redhat.com>
3492 * config/sparc/sparc.c (gen_df_reg): New function.
3493 * config/sparc/sparc-protos.h (gen_df_reg): Add prototype.
3494 * config/sparc/sparc.md (movtf_no_e_insn_sp64+1,
3495 movtf_no_e_insn_sp64+2, movtf_no_e_insn_sp64+3, movtf_cc_sp64+1,
3496 movtf_cc_reg_sp64+1): Use it.
3498 2000-01-02 Mark Mitchell <mark@codesourcery.com>
3500 * integrate.c (copy_decl_for_inlining): Clear TREE_ADDRESSABLE on
3503 Mon Jan 3 02:54:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
3505 * config/i386/i386.c (ix86_expand_unary_operator): Function
3506 definition made void.
3507 (ix86_expand_binary_operator): Update outdated preceding comment.
3508 * config/i386/i386-protos.h (ix86_expand_unary_operator): Update
3511 * config/i386/i386.c (override_options): Fix option-name typo.
3513 2000-01-02 Mark Mitchell <mark@codesourcery.com>
3515 * system.h (CEIL): Define.
3516 * builtins.c (CEIL): Remove.
3517 * expmed.c (CEIL): Likewise.
3518 * expr.c (CEIL): Likewise.
3519 * stor-layout.c (CEIL): Likewise.
3521 2000-01-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3523 * expr.c (store_constructor_field): Fix typo introduced with last
3526 2000-01-01 Mark Mitchell <mark@codesourcery.com>
3528 * tree.h (BINFO_N_BASETYPES): New macro.
3530 2000-01-01 Bernd Schmidt <bernds@cygnus.co.uk>
3532 * expmed.c (emit_store_flag): Prevent losing a pending stack
3533 adjust the same way we prevent losing queued increments.
3535 Fri Dec 31 19:10:31 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3537 * function.c (update_temp_slot_address): Handle case where sum of
3538 temporary address plus offset in register is a valid address.
3540 1999-12-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3542 * genrecog.c (change_state) Corrected typo.
3544 1999-12-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3546 * system.h (bcopy, bcmp, bzero, index, rindex, atof, atol, free,
3547 getcwd, getenv, getwd, sbrk, strstr, malloc, calloc, realloc,
3548 strerror, getrlimit, setrlimit, abort): Add prototype arguments.
3550 1999-12-30 Bernd Schmidt <bernds@cygnus.co.uk>
3552 * i386.c (ix86_expand_fp_compare): In non-sahf non-TARGET_IEEE
3553 case, expand GT comparisons correctly. Fix a comment before this
3556 1999-12-30 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
3558 * dwarfout.c: Include "frame.h"
3559 * dwarf2out.c: Likewise.
3560 * Makefile.in (dwarfout.o): Depend on frame.h
3561 (dwarf2out.o): Likewise.
3563 1999-12-29 "Martin v. Loewis" <martin@loewis.home.cs.tu-berlin.de>
3565 Restore i386 binary compatibility in Dwarf EH info.
3566 * config/i386/i386.h (DWARF_FRAME_REGISTERS): Define as 17, the old
3567 value of FIRST_PSEUDO_REGISTER.
3568 * frame.h (DWARF_FRAME_REGISTERS): Default to FIRST_PSEUDO_REGISTER.
3569 (struct frame_state): Use DWARF_FRAME_REGISTERS.
3570 * dwarfout.c (output_reg_number): Ditto.
3571 * dwarf2out.c (reg_number, expand_builtin_init_dwarf_reg_sizes): Ditto.
3572 (DWARF_FRAME_RETURN_COLUMN): Default to DWARF_FRAME_REGISTERS.
3574 1999-12-29 Bruce Korb <autogen@linuxbox.com>
3576 * fixinc/fixincl.c(wait_for_pid): sometimes a WSTOPSIG of zero is OK
3577 * fixinc/fixincl.tpl(<hack>TEST_CT): Just do the existence test once
3578 (<hack>_RE_CT): not needed
3579 * fixinc/fixlib.c(is_cxx_header): moved from fixtests.c
3580 rewritten to scan the file text once only
3581 "template<..." test added
3582 * fixinc/fixlib.h(apply_fix_p_t): moved from fixtests.c
3583 (is_cxx_header): declaration added
3584 * fixinc/fixtests.c(is_cxx_header): removed
3585 (apply_fix_p_t): removed
3586 (double_slash_test): is_cxx_header is only called once now
3587 * fixinc/hackshell.tpl: indexing the fixes is now done under DEBUG
3588 * fixinc/inclhack.def(FIXINC_DEBUG): added for testing DEBUG state
3589 within the templates.
3590 The borken spelling of "broken" was fixed.
3591 * fixinc/inclhack.tpl: The $VERBOSE level is used on various messages
3592 The default level depends on FIXINC_DEBUG.
3594 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3596 * crtstuff.c: If !inhibit_libc, include stdlib.h/unistd.h.
3597 Otherwise provide a declaration for atexit.
3598 (init_dummy): Make sure dummy call to atexit is nevertheless
3599 called with correct number of args.
3601 * frame.c: Update comments referring to other files.
3603 * libgcc2.c: Likewise.
3605 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3607 * cse.c (free_element, get_element): Remove unused prototypes.
3609 * fold-const.c (extract_muldiv): Initialize variables `op0' and
3612 * jump.c (invert_exp): Add explicit braces to avoid ambiguous
3615 Wed Dec 29 12:44:54 1999 Donald Lindsay <dlindsay@cygnus.com>
3617 * configure.in,configure: case arm for mn10200-*-* now sets
3618 float_format=i32 so that float.h will correctly claim "double"
3619 to be 32 bits. Ran autoconf to generate configure from .in file.
3621 Wed Dec 29 10:53:21 1999 Jeffrey A Law (law@cygnus.com)
3623 * pa.md (conditional zero): If op1 is a register, force it into
3624 the same register as op0.
3626 1999-12-28 Mark Mitchell <mark@codesourcery.com>
3628 * tree.h (BINFO_BASETYPES): Improve documentation.
3630 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3632 * configure.in (--enable-checking): Use a more portable `for'
3635 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3637 * configure.in (AC_DECL_SYS_SIGLIST, xm-siglist.h,
3638 arm/xm-netbsd.h, NO_SYS_SIGLIST): Don't use.
3640 * xm-siglist.h, arm/xm-netbsd.h, mips/xm-news.h, mips/xm-sysv4.h:
3643 * gcc.texi (NO_SYS_SIGLIST, sys_siglist, SYS_SIGLIST_DECLARED):
3644 Delete descriptions.
3646 * i386/osf1elf.h, i386/xm-cygwin.h, i386/xm-mingw32.h, m68k/3b1.h,
3647 m68k/a-ux.h, m68k/dpx2.h, m68k/plexus.h, m68k/xm-hp320.h,
3648 m88k/xm-m88k.h, mips/x-sni-svr4, pa/xm-pa.h, pa/xm-pahpux.h,
3649 pa/xm-papro.h, we32k/xm-we32k.h, winnt/xm-winnt.h, xm-interix.h,
3650 xm-svr4.h: Remove all instances of sys_siglist handling.
3652 1999-12-27 Jakub Jelinek <jakub@redhat.com>
3654 * config/sparc/sparc.md (cmp_zero_qi,
3655 cmp_zero_extendqisi2_andcc_set, cmp_zero_qi_sp64,
3656 cmp_zero_extendqidi2_andcc_set): New patterns.
3658 1999-12-28 Manfred Hollstein <mhollstein@cygnus.com>
3660 * m68k/t-mot3300-gald (CROSS_LIBGCC1): Define to libgcc1-asm.a.
3661 (LIB1ASMSRC, LIB1ASMFUNCS, LIB2FUNCS_EXTRA): Define.
3662 (fpgnulib.c, xfgnulib.c): Add rules.
3663 * m68k/t-mot3300-gas: Likewise.
3665 1999-12-27 Ian Lance Taylor <ian@zembu.com>
3667 * configure.in: Avoid [[ by using test and changequote. Add
3668 changequote required by 1999-12-14 change.
3669 * configure: Rebuild.
3671 1999-12-27 Clinton Popetz <cpopetz@cygnus.com>
3673 * config/mips/mips.h: Fix typo from 12/17/99 libgcc2 fix.
3675 1999-12-27 Christophe Jaillet <jaillet.christophe@caramail.com>
3677 * alias.c (nonlocal_reference_p): Add else for disjoint ifs.
3678 * flow.c (find_use_as_address): Likewise.
3679 * function.c (fixup_var_refs_1): Likewise.
3680 (walk_fixup_memory_subreg, fixup_stack_1): Likewise.
3681 * jump.c (invert_exp, redirect_exp): Likewise.
3682 * loop.c (replace_call_address): Likewise.
3683 (count_nonfixed_reads): Likewise.
3684 * rtlanal.c (modified_between_p): Likewise.
3685 (modified_in_p, volatile_insn_p, volatile_refs_p): Likewise.
3686 (side_effects_p, replace_regs, jmp_uses_reg_or_mem): Likewise.
3687 * unroll.c (remap_split_bivs): Likewise.
3689 1999-12-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3691 * diagnostic.c (v_message_with_decl): Use .* format specifier
3692 instead of building the format specifier width manually.
3694 * system.h (strsignal): Don't check HAVE_STRSIGNAL when
3695 determining whether to provide a prototype. Remove the
3696 sys_siglist clause in the conditional.
3698 1999-12-23 Martin v. Löwis <loewis@informatik.hu-berlin.de>
3700 * fold-const.c (operand_equal_p): Use memcmp to compare string
3702 Suggested by D. J. Bernstein
3704 1999-12-17 Jakub Jelinek <jakub@redhat.com>
3706 * config/h8300/h8300.h (TARGET_H8300H, TARGET_H8300S): Make sure
3707 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
3709 * config/mips/mips.h (TARGET_64BIT): Likewise.
3710 * config/rs6000/rs6000.h (TARGET_POWERPC64): Likewise.
3711 * libgcc2.c: Use {,U}{HW,W,DW}type and DWunion everywhere instead
3712 of {SI,DI}type and DIunion. Define these types to QI/HI modes on
3713 dsps. Give routines proper names if SI/DI modes are not used.
3714 * longlong.h: Use DWunion instead of DIunion.
3716 1999-12-26 Zack Weinberg <zack@wolery.cumb.org>
3718 * acconfig.h: New ENABLE flags: TREE_CHECKING, RTL_CHECKING,
3719 GC_CHECKING, GC_ALWAYS_COLLECT.
3720 * configure.in: Allow --enable-checking with an argument
3721 listing check modes to enable.
3722 * config.in, configure: Rebuilt.
3723 * ggc-page.c, ggc-simple.c: Define GGC_POISON (and
3724 GGC_ALWAYS_VERIFY for ggc-simple.c) only if
3725 ENABLE_GC_CHECKING. Define GGC_ALWAYS_COLLECT only if
3726 ENABLE_GC_ALWAYS_COLLECT.
3727 * rtl.h, rtl.c: Change ENABLE_CHECKING to ENABLE_RTL_CHECKING
3729 * tree.h, tree.c: Change ENABLE_CHECKING to
3730 ENABLE_TREE_CHECKING throughout.
3732 Sun Dec 26 07:48:20 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3734 * fold-const.c (fold_truthop): Properly check for FP RHS.
3736 1999-12-24 Mark Mitchell <mark@codesourcery.com>
3738 * toplev.h (note_deferall_of_defined_inline_function): Declare.
3739 * toplev.c (note_deferral_of_defined_inline_function): New
3740 function, split out from ...
3741 (rest_of_compilation): ... here. Use it.
3743 Fri Dec 24 12:34:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3745 * expr.c (store_constructor): Don't call clear_storage if size is
3748 1999-12-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3750 * Makefile.in (toplev.o): Depend on loop.h.
3752 * dwarfout.c: Include tm_p.h.
3754 * emit-rtl.c (restore_emit_status): Mark parameter with
3757 * final.c (final_scan_insn): Likewise.
3759 * flow.c (flow_nodes_print, flow_exits_print, flow_loops_cfg_dump,
3760 flow_loop_nested_p, flow_loop_exits_find, flow_loop_nodes_find,
3761 flow_depth_first_order_compute, flow_loop_pre_header_find,
3762 flow_loop_tree_node_add, flow_loops_tree_build,
3763 flow_loop_level_compute, flow_loops_level_compute,
3764 flow_loop_outside_edge_p): Add prototypes.
3765 (recompute_reg_usage): Mark parameters with ATTRIBUTE_UNUSED.
3767 * ggc-callbacks.c (lang_mark_tree, lang_mark_false_label_stack):
3768 Mark with ATTRIBUTE_NORETURN.
3770 * hash.c (hash_newfunc): Mark parameter with ATTRIBUTE_UNUSED.
3772 * local-alloc.c (no_conflict_p): Likewise.
3774 * loop.c (insert_bct): Hide definitions of variables with hidden
3776 (note_reg_stored): Mark parameter with ATTRIBUTE_UNUSED.
3778 * regclass.c (memory_move_secondary_cost): Mark variable `mem'
3779 with ATTRIBUTE_UNUSED.
3780 (record_reg_classes): Mark parameter with ATTRIBUTE_UNUSED.
3781 (reg_scan): Likewise.
3783 * reload.c (find_reloads): Remove unused variables `changed'.
3785 * reload1.c (reload_reg_class_lower): Don't unnecessarily cast
3787 (allocate_reload_reg): Mark parameter with ATTRIBUTE_UNUSED.
3788 Remove unused variable `insn'.
3790 * toplev.c: Include loop.h.
3791 (report_file_and_line): Remove unnecessary prototype.
3793 * tree.c (build_block): Mark parameter with ATTRIBUTE_UNUSED.
3795 * unroll.c (biv_total_increment): Likewise.
3797 Thu Dec 23 23:15:22 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
3799 * reload1.c (emit_input_reload_insns): Restore old behaviour
3800 wrt. 'special' reloads.
3802 1999-12-23 Zack Weinberg <zack@wolery.cumb.org>
3804 * Makefile.in (ggc-simple.c, ggc-page.c): Don't depend on
3805 hash.h. (cse.c): Don't depend on hashtab.h.
3807 * cse.c: Don't include hashtab.h.
3808 (hash_cse_reg_info, cse_reg_info_equal_p): Delete prototypes
3810 * ggc-simple.c: Don't include hash.h.
3812 1999-12-22 Jason Merrill <jason@casey.cygnus.com>
3814 * dwarf2out.c (add_abstract_origin_attribute): Call
3815 gen_abstract_function on our function context.
3817 Thu Dec 23 03:57:10 1999 Hans-Peter Nilsson <hp@bitrange.com>
3819 * Makefile.in (INTEGRATE_H): Fix typo: INTEGRATE_H, not INTREGRATE_H.
3821 1999-12-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3823 * config/c4x/c4x.c (c4x_address_cost): Add statement to default
3826 1999-12-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3828 * config/c4x/c4x.md (*addqi3_noclobber_reload): Change operand 0
3829 constraints to "a!r".
3831 1999-12-21 Mark Mitchell <mark@codesourcery.com>
3833 * Makefile.in (calls.o): Depend on function.h.
3834 (alias.o): Likewise.
3836 1999-12-21 Bernd Schmidt <bernds@cygnus.co.uk>
3838 * reload1.c (emit_reload_insns): Break out code and variables into...
3839 (input_reload_insns, other_input_address_reload_insns,
3840 other_input_reload_insns, input_address_reload_insns,
3841 inpaddr_address_reload_insns, output_reload_insns,
3842 output_address_reload_insns, outaddr_address_reload_insns,
3843 operand_reload_insns, other_operand_reload_insns,
3844 other_output_reload_insns): ... new static variables, and...
3845 (emit_input_reload_insns, emit_output_reload_insns, do_input_reload,
3846 do_output_reload): ... new functions.
3848 Tue Dec 21 07:06:36 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3850 * pa.h (FUNCTION_ARG_BOUNDARY): Never return 0.
3852 1999-12-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3854 * md.texi: Add c4x constraints documentation.
3856 1999-12-21 Martin v. Löwis <loewis@informatik.hu-berlin.de>
3858 * config/i386/dgux.c (struct option): Rename to
3859 lang_independent_option.
3860 (struct m_options): Add description field.
3861 (output_options): Rename option type, add sep declaration, output
3862 ix86_cpu_string and ix86_arch_string only if set.
3863 (output_file_start): Rename option type.
3865 Mon Dec 20 23:15:36 1999 Mike Stump <mrs@wrs.com>
3867 * Makefile.in (crtbegin.o, crtend.o, s-crtS): Depend on
3869 (libgcc2.a): Similarly.
3871 Mon Dec 20 23:06:47 1999 David Edelsohn <edelsohn@gnu.org>
3873 * longlong.h (_ARCH_PPC): Only protect add_ssaaaa and sub_ddmmss
3874 with W_TYPE_SIZE == 32. Do not fall through to POWER architecture
3875 for umul_ppmm and smul_ppmm if !_ARCH_PPC and !_ARCH_POWER.
3877 Mon Dec 20 23:02:03 1999 Jeffrey A Law (law@cygnus.com)
3879 * fold-const.c (real_hex_to_f): Remove unused "isldouble" variable.
3880 Remove redundant initialization of "frexpon" and "expon".
3882 Mon Dec 20 15:00:04 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3884 * tree.c (real_value_from_int_cst): Clear REAL_VALUE_TYPE object first.
3886 * expr.c (store_constructor): New argument SIZE; pass to clear_storage.
3887 (store_constructor_field, expand_expr): Pass new arg.
3889 1999-12-20 Mark Mitchell <mark@codesourcery.com>
3891 * Makefile.in (explow.o): Depend on function.h.
3893 * stor-layout.c (set_sizetype): Fix typo.
3895 1999-12-20 Bernd Schmidt <bernds@cygnus.co.uk>
3897 * function.c (cfun): Renamed from current_function. All users
3899 * function.h (cfun): Rename declaration as well.
3901 * reload.h (struct insn_chain): Change live_throughout and dead_or_set
3902 to be of type regset_head, not regset. All users changed by adding
3904 * reload1.c (new_insn_chain): Don't allocate regsets, just clear them.
3906 1999-12-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3908 * config/c4x/rtems.h: New file.
3910 1999-12-19 Bernd Schmidt <bernds@cygnus.co.uk>
3912 * reload1.c (spill_failure): Take class of failed reload as argument
3913 and print it. Caller changed.
3915 Sun Dec 19 07:50:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3917 * rs6000.h (SUBTARGET_DEFAULT): New macro.
3918 (TARGET_SWITCHES): Allow subtargets to default switches.
3919 * rs6000/vxppc.h (SUBTARGET_DEFAULT): New macro.
3921 1999-12-18 Mark Mitchell <mark@codesourcery.com>
3923 * crtstuff.c (__do_global_ctors_aux): Do not call __cxa_finalize
3926 Sat Dec 18 20:42:43 1999 Richard Henderson <rth@cygnus.com>
3928 * cccp.c (main): Define __STDC_VERSION__ as necessary.
3929 * cppinit.c (cpp_handle_option): Likewise.
3931 * ginclude/stdarg.h (va_copy): Use __STDC_VERSION__ to
3932 determine when to define.
3934 Sat Dec 18 20:34:00 1999 Richard Henderson <rth@cygnus.com>
3936 * alpha.c (alpha_emit_conditional_move): If TARGET_FIX, handle
3937 cmove with mismatched test and data modes.
3939 Sat Dec 18 20:30:15 1999 Richard Henderson <rth@cygnus.com>
3941 * c-typeck.c (c_expand_start_case): Don't warn for long switch
3944 Sat Dec 18 16:28:43 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3946 * alias.c: Minor reformatting.
3949 * stor-layout.c: Likewise.
3950 * fold-const.c: Likewise.
3951 (OVERFLOW_SUM_SIGN): Renamed from overflow_sum_sign.
3952 (struct cb_args, const_binop_1, const_binop): Pass type of arg,
3954 (size_int_wide): Cache nodes even if garbage collecting.
3955 (twoval_comparison_p): Reenable SAVE_EXPR case if operand
3956 of SAVE_EXPR has no side effects.
3957 * cse.c: Move a comment.
3958 * tree.c: Minor reformatting.
3959 (int_size_in_bytes): Return -1 if constant overflows.
3961 Sat Dec 18 18:30:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
3963 * unroll.c (copy_loop_body): Don't treat a REG like a PLUS.
3965 1999-12-18 10:42 -0800 Zack Weinberg <zack@wolery.cumb.org>
3967 * objc/objc-parse.c: Regenerate. This file must be rebuilt
3968 after any change to c-parse.in, even if objc-parse.y didn't
3971 1999-12-18 David S. Miller <davem@redhat.com>
3973 * toplev.c (rest_of_compilation): Restore BLOCK tree
3974 reconstruction and branch shortening changes lost in
3975 December 18th change.
3977 Sat Dec 18 05:29:29 1999 Scott Bambrough <scottb@netwinder.org>
3979 * config/arm/linux-elf.h: Change all instances of
3980 ARM_FLAG_SHORT_BYTES to ARM_FLAG_MMU_TRAPS.
3981 * config/arm/uclinux-elf.h: Likewise.
3983 1999-12-18 Gabriel Dos Reis <gdr@codesourcery.com>
3985 * toplev.c (notice, vmessage, v_message_with_file_and_line,
3986 v_message_with_decl, file_and_line_for_asm,
3987 v_error_with_file_and_line, v_error_with_decl, v_error_for_asm,
3988 verror, vfatal, v_warning_with_file_and_line, v_warning_with_decl,
3989 v_warning_for_asm, vwarning, vpedwarn, v_pedwarn_with_decl,
3990 v_pedwarn_with_file_and_line, vsorry, vnotice, count_error,
3991 pfatal_with_name, fatal_io_error, need_error_newline,
3992 last_error_function, last_error_tick, announce_function,
3993 default_print_error_function, print_error_function,
3994 report_error_function, fnotice, error_with_file_and_line,
3995 error_with_decl, error_for_asm, error, set_fatal_function, fatal,
3996 _fatal_insn, _fatal_insn_not_found, warning_with_file_and_line,
3997 warning_with_decl, warning_for_asm, warning, pedwarn,
3998 pedwarn_with_decl, pedwarn_with_file_and_line, sorry): Move to
4000 (compile_file): Use fnotice instead of notice. Adjust call.
4002 * diagnostic.c: New file.
4004 * Makefile.in (OBJS): Include diagnostic.o
4005 (diagnostic.o): Define dependence.
4007 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4009 * config/c4x/c4x.h (ASM_OUTPUT_XXX): Wrap in do-while(0).
4012 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4014 * config/c4x/c4x.md (rpts_top, rptb_top): Add clobbers for rs and re.
4016 1999-12-17 13:21 -0800 Zack Weinberg <zack@rabi.columbia.edu>
4018 * fixtests.c (is_cxx_header): New fn, split out of
4020 (else_endif_label): Allow "#endif // comment" in C++ headers,
4021 as determined by is_cxx_header.
4022 * fixfixes.c (else_endif_label_fix): Update comment.
4023 * fixincl.c: Don't output VERB_PROGRESS lines if stdout is not
4025 * genfixes: Correct double thinko in commandline parsing.
4026 * hackshell.tpl: Generate correct sh syntax for bypass
4029 * inclhack.def (all): Whenever an inserted preprocessor
4030 conditional is split over multiple lines, use double
4031 backslashes in this file so the fixed header will be readable.
4033 (AAB_fd_zero_glibc_1_0): Rename to AAB_fd_zero_asm_posix_types_h
4034 and add bypass entry for correct version of this header.
4035 (AAB_fd_zero_glibc_1_x): Rename to AAB_fd_zero_gnu_types_h.
4036 (AAB_fd_zero_glibc_2_0): Rename to AAB_fd_zero_selectbits_h.
4038 (hpux8_bogus_inlines): New fix, split from...
4039 (ultrix_atof_param) ... here.
4040 (math_expression): Add bypass entry keyed to glibc comment
4041 indicating the problem has been dealt with; disable
4042 unnecessary sed operations; update commentary.
4043 (math_gcc_ifndefs): Rename to math_huge_val_from_dbl_max,
4044 add select and bypass entries, simplify shell operation.
4045 (math_huge_val_ifndef): Split from math_gcc_ifndefs.
4047 (ip_missing_semi, rs6000_param, tinfo_cplusplus,
4048 ultrix_atof_param): Add select entry.
4049 (stdio_va_list, sunos_mather_decl): Add bypass entry.
4050 (systypes_for_aix, sysv86_string, tinfo_cplusplus): Put the
4051 comments with the fixes they describe.
4053 * c-parse.in (string action): Do not warn about ANSI string
4054 concatenation in system headers. Affects C parser only.
4055 * c-parse.y, c-parse.c, c-parse.h: Rebuild.
4057 1999-12-16 Jakub Jelinek <jakub@redhat.com>
4059 * config/sparc/sparc.h (TARGET_ARCH32): Exchange ifdefs so that if
4060 compiling libgcc2 the macro depends always on arch cpp defines.
4062 Fri Dec 17 10:34:16 1999 Richard Earnshaw <rearnsha@arm.com>
4064 * loop.c (insert_loop_mem): Don't record MEMs from inside
4067 Fri Dec 17 12:08:11 MET 1999 Jan Hubicka <hubicka@freesoftr.cz>
4069 * regclass.c (regclass): Do not use flowgraph when not optimizing.
4071 * gcse.c (try_replace_reg): Do replacements in REG_EQUAL/REG_EQUIV
4072 notes too, create one when replacement failed, attempt to simplify
4074 (cprop_insn): Propagate even to registers mentioned only in REG_EQUAL
4077 1999-12-16 Mark Mitchell <mark@codesourcery.com>
4079 * crtstuff.c (__dso_handle): Declare.
4080 (__cxa_finalize): Likewise.
4081 (do_global_dtors_aux): Call __cxa_finalize if __dso_handle is
4084 * invoke.texi: Document -fuse-cxa-atexit.
4086 * tree.h (ptr_type_node): Document.
4087 (const_ptr_type_node): Likewise.
4089 Fri Dec 17 01:32:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
4091 * regmove.c (optimize_reg_copy_1): Ignore LOOP notes.
4092 (optimize_reg_copy_2): Likewise.
4093 (optimize_reg_copy_3): Likewise.
4094 (fixup_match_2): Likewise.
4095 (regmove_optimize): Likewise.
4096 (fixup_match_1): Liekwise.
4098 * i386.md (HI to SImode promoting splitters): Rewrite.
4099 (pushsf mem peep2): New.
4100 (testhi to andhi peep2): Remove.
4101 * i386.h (x86_promote_QImode): New.
4102 (TARGET_PROMOTE_QImode): New.
4103 (PREDICATE_CODES): Add promotable_binary_operator.
4104 * i386.c (x86_promote_QImode0: New.
4105 (promotable_binary_operator): New.
4106 * i386-protos.h (promotable_binary_operator): New.
4108 * i386.md (test?i_1): Use "nonmemory_operand" predicate, simplify
4110 (one_cmpl?i*): Pass "NOT" to unary_operator_ok.
4112 1999-12-16 Mark Mitchell <mark@codesourcery.com>
4114 * Makefile.in (INTREGRATE_H): Rename to INTEGRATE_H.
4115 * function.c (insert_block_after_note): Remove.
4116 (retrofit_block): Likewise.
4117 (identify_blocks): Fix indentation.
4118 (reorder_blocks): Don't NULL out NOTE_SOURCE_FILE for a
4119 NOTE_INSN_BLOCK_BEG or NOTE_INSN_BLOCK_END.
4120 * function.h (insert_block_after_note): Remove prototype.
4121 (retrofit_block): Likewise.
4122 * integrate.c (expand_inline_function): Don't call
4123 find_loop_tree_blocks. Use expand_start_bindings_and_block, not
4124 just expand_start_bindings. Use the block_map to remap old
4125 NOTE_BLOCKs to new ones.
4126 (integrate_decl_tree): Keep track of remapped blocks.
4127 * integrate.h (struct inline_remap): Add block_map.
4128 * stmt.c (expand_fixup): Don't try to retrofit_blocks. Just set
4129 NOTE_BLOCK on the notes.
4130 (expand_start_bindings): Rename to ...
4131 (expand_start_bindings_and_block): Add parameter. Set NOTE_BLOCK.
4132 (expand_end_bindings): Set NOTE_BLOCK.
4133 * toplev.c (rest_of_compilation): In function-at-a-time-mode,
4134 reconstruct the BLOCK tree.
4135 * tree.h (expand_start_bindings): Macroize. Call ...
4136 (expand_start_bindings_and_block): New function.
4138 1999-12-16 Jakub Jelinek <jakub@redhat.com>
4140 * config/sparc/sparc.c (print_operand): Cast fprintf arguments
4141 to match the format.
4143 1999-12-16 David S. Miller <davem@redhat.com>
4145 * expr.c (emit_move_insn_1): Only emit clobbers if one of
4146 the outputs is a SUBREG.
4147 * rtlanal.c (reg_overlap_mentioned_p): Revert December 15th
4150 * config/sparc/sparc.c (epilogue_renumber): Add default case
4153 Thu Dec 16 11:33:57 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
4155 * toplev.c (rest_of_compilation): Run branch shortening after
4158 * regclass.c (loop_depth): Remove
4159 (scan_one_insn): Do not handle LOOP_NOTE insns.
4160 (regclass): Go through basic blocks and set loop_cost
4162 Thu Dec 16 02:56:25 1999 Zack Weinberg <zack@bitmover.com>
4164 * tree.h (DECL_FROM_INLINE): Check DECL_ABSTRACT_ORIGIN too.
4166 Thu Dec 16 10:43:35 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
4168 * i386.md (movqi): Use "nonimmediate_operand" for output operand.
4169 (movstrictqi, movdi, movsf, movdf, movxf): Likewise.
4170 (adddi, addqi, addhi, subdi, subqi, subhi, ffs): Likewise.
4172 Thu Dec 16 02:41:26 1999 Richard Henderson (rth@cygnus.com)
4174 * loop.c (insert_loop_mem): Ignore memory clobbers.
4176 * combine.c (simplify_comparison): Reduce (OP (MINUS A B) 0)
4179 Thu Dec 16 02:26:11 1999 Jeffrey A Law (law@cygnus.com)
4181 * profile.c: Remove redundant #include "output.h".
4183 * h8300.md (HImode preinc peephole): Fix typo.
4185 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
4187 * function.c (retrofit_block): Abort if we don't find a suitable insn.
4188 (insert_block_after_note): Abort if we don't have a previous block.
4189 Remove FN parameter.
4190 * function.h: Adjust.
4192 1999-12-15 Mark Mitchell <mark@codesourcery.com>
4194 * builtins.c (expand_builtin_mathfn): Make sure not to expand the
4195 argument more than once.
4197 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
4199 * stmt.c (expand_decl): Expand upper bound of a dynamic array.
4201 1999-12-15 Jakub Jelinek <jakub@redhat.com>
4203 * expr.c (emit_group_load): Use dst mode if src is VOIDmode.
4205 Wed Dec 15 16:11:55 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
4207 * function.c (PREFERRED_STACK_BOUDNARY): Provide default value.
4208 (assign_stack_local_1): Limit alignment to PREFERRED_STACK_BOUNDARY,
4209 update stack_alignment_needed.
4210 (prepare_function_start): Initialize stack_alignment_needed
4211 * function.h (struct function): Add field stack_alignment_needed.
4213 Wed Dec 15 14:55:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
4215 * caller-save.c (insert_one_insn): Returns struct insn_chain *.
4216 Handle live_throughout / dead_or_set instead of live_before /
4218 (save_call_clobbered_regs): Get register livenessinformation from
4219 chain->live_throughout.
4220 (add_stored_regs): New function.
4221 (insert_restore, insert_save): Add restored / saved registers to
4223 * global.c (reg_dies): New parameter chain.
4224 (reg_becomes_live): Third parameter is regs_set now.
4225 Changed all callers.
4226 (reg_dies): New parameter chain. Changed all callers.
4227 (build_insn_chain): Set live_throughout instead of
4228 live_before / live_after.
4229 * reload.h (struct insn_chain): Replace members live_before /
4230 live_after with live_throughout / dead_or_set.
4231 * reload1.c (new_insn_chain): Handle live_throughout / dead_or_set
4232 instead of live_before / live_after.
4233 (maybe_fix_stack_asms, find_reload_regs, finish_spills): Likewise.
4234 (order_regs_for_reload, find_reg, finish_spills): Likewise.
4235 (choose_reload_regs_init): Likewise.
4236 * stupid.c (current_chain, find_clobbered_regs): Delete.
4237 (stupid_life_analysis): Set chain->live_throughout chain->dead_or_set
4238 instead of chain->live_before / chain->live_after.
4239 (mark_hard_ref): New function.
4240 (stupid_mark_refs): Call mark_hard_ref. Clear chain->live_throughout.
4242 1999-12-15 David S. Miller <davem@redhat.com>
4244 * rtlanal.c (reg_overlap_mentioned_p): Handle CONCAT.
4246 Wed Dec 15 15:05:30 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
4248 * flow.c (calculate_loop_depth): Make global, remove prototype,
4249 rewrite to use new loop infrastructure.
4250 (find_basic_block): Remove calculate_loop_depth call.
4251 * toplev.c (rest_of_compilation): Call find_basic_block.
4252 * output.h (calculate_loop_depth): Declare.
4254 * flow.c (dump_flow_info): Dump loop_depth.
4255 (flow_loops_nodes_find): Increase loop_depth for basic block in the
4257 (flow_loops_find): Initialize the loop_depth for each basic block.
4259 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
4261 * tree.c (decl_function_context): Handle virtual functions.
4263 * tlink.c (scan_linker_output): Don't look in demangled name when
4264 looking for linker output keywords.
4266 * dwarfout.c (output_type): We can defer namespace-scope classes.
4268 Wed Dec 15 01:23:29 1999 Jeffrey A Law (law@cygnus.com)
4270 * regclass.c (record_reg_classes): Update comment for merging
4271 register class preferences in reg->reg copies. Tighten conditions
4272 for merging register class preferences in reg->reg copies.
4274 Wed Dec 15 02:19:32 1999 David Edelsohn <edelsohn@gnu.org>
4276 * rs6000.md (tablejumpdi): Generate DImode LABEL_REF.
4278 1999-12-14 Geoff Keating <geoffk@cygnus.com>
4280 * config/m68k/m68020-elf.h (ENDFILE_SPEC): Delete.
4281 (INIT_SECTION_ASM_OP): Delete.
4282 (FINI_SECTION_ASM_OP): Delete.
4283 (STARTFILE_SPEC): Define to hold just crtbegin.o.
4285 1999-12-14 Jason Merrill <jason@casey.cygnus.com>
4287 * dwarf2out.c (add_abstract_origin_attribute): Do call abort if
4288 the abstract origin wasn't emitted.
4290 * dwarf2out.c (class_scope_p): New fn.
4291 (gen_subprogram_die): Use it.
4292 (gen_variable_die): Use it. Tweak logic.
4293 (gen_struct_or_union_type_die): Check context_die to determine
4294 if we're function-local.
4295 (dwarf2out_decl): Check DECL_BUILT_IN, not DECL_FUNCTION_CODE.
4297 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
4299 * loop.c (check_dbra_loop): Can't reverse a biv that has
4302 1999-12-14 Nick Clifton <nickc@cygnus.com>
4304 * config/arm/arm.c: Add support for -mcpu=arm720 command line
4307 Tue Dec 14 18:13:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
4309 * loop.c (strength_reduce): Fix sign of giv lifetime calculation
4310 for givs made from biv increments.
4312 Tue Dec 14 08:11:27 1999 Richard Henderson <rth@cygnus.com>
4314 * configure.in (alpha-osf, alpha-linux): Handle ev6[78].
4315 * alpha.c (override_options): Recognize -mcpu=ev67.
4316 * alpha.h (CPP_CPU_EV67_SPEC): New.
4317 (CPP_CPU_DEFAULT_SPEC): Examine TARGET_CPU_DEFAULT to use it.
4318 (EXTRA_SPECS): Update.
4320 Tue Dec 14 08:04:28 1999 Richard Henderson <rth@cygnus.com>
4322 * cppp.c (main): Set trigraphs and __STRICT_ANSI__ as
4323 appropriate for -lang-c89 and -std=*.
4324 * cppinit.c (cpp_handle_option): Likewise.
4325 (new_pending_define): New, split out from cpp_handle_option.
4326 * gcc.c (default_compilers): Don't define __STRICT_ANSI__
4327 or enable trigraphs for -ansi/-std=*.
4329 * ginclude/stdarg.h (__va_copy): New.
4330 (va_copy): Don't define for C89.
4332 Tue Dec 14 08:37:27 CST 1999 Clinton Popetz <cpopetz@cygnus.com>
4334 * config/arm/arm.md (mulsidi3adddi, umulsidi3adddi): New patterns
4335 for long long multiply-accumulate.
4337 Tue Dec 14 13:51:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
4339 * regclass.c (scan_one_insn): Set loop_cost to 1 when
4340 optimizing for size.
4342 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
4344 * reload1.c (reload): Can't avoid select_reload_regs/finish_spills
4345 if something changed. Back out that part of yesterday's changes.
4347 * loop.c (loop_max_reg): New static variable.
4348 (loop_optimize): Initialize it. Eliminate one unnecessary call to
4350 (scan_loop): Call reg_scan_update whenever we may have added new
4351 registers, and update loop_max_reg.
4353 Tue Dec 14 12:07:29 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
4355 * regclass.c (record_reg_classes): Do not do the copying preferrencing
4356 when source does not die.
4358 * regclass.c (record_reg_classes): Handle INOUT operands propertly.
4360 1999-12-14 Jakub Jelinek <jakub@redhat.com>
4362 * config/sparc/linux64.h (TARGET_LIVE_G0,
4363 TARGET_BROKEN_SAVERESTORE): Don't support weird SPARC
4365 * config/sparc/linux.h (TARGET_LIVE_G0,
4366 TARGET_BROKEN_SAVERESTORE): Likewise.
4367 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
4368 TARGET_BROKEN_SAVERESTORE): Likewise.
4370 * config/sparc/sparc.h (SPARC_DEFAULT_CMODEL): Default to CM_32.
4371 (CONDITIONAL_REGISTER_USAGE): For block profiling fix %g4 on sparc64,
4373 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Use %g4 instead of %g2
4374 as sparc64 block profiling register.
4375 * config/sparc/sparc.c (sparc_override_options): Allow block
4376 profiling with -m32.
4377 (sparc_block_profiler): Use %g4 instead of %g2 as sparc64 block
4379 * config/sparc/linux64.h (MACHINE_STATE_*): Only provide these
4380 macros on TARGET_ARCH32. sparc.h has macros good enough for sparc64.
4381 * config/sparc/sol2.h (MACHINE_STATE_*): Likewise.
4383 * config/sparc/xm-sp64.h: Avoid using __sparc_v9__ when testing
4385 * config/sparc/sparc.h: Likewise.
4386 * config/sparc/xm-sysv4-64.h: Likewise.
4387 * config/float-sparc.h: Likewise.
4388 * glimits.h: Likewise.
4389 * longlong.h: Likewise.
4391 * config/sparc/linux64.h (DEFAULT_VTABLE_THUNKS): Define to 1.
4392 (ASM_IDENTIFY_GCC): Remove.
4394 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
4396 * combine.c (combine_simplify_rtx): Don't make shared rtl.
4397 (simplify_logical): Likewise.
4399 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
4401 * cccp.c (INO_T_EQ): Disable inode-based optimization for Cygwin.
4402 * cppfiles.c (INO_T_EQ): Likewise.
4404 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
4406 * i386/crtdll.h (STARTFILE_SPEC): Add -pg profiling support.
4407 * i386/mingw32.h (LIB_SPEC): Likewise.
4408 (STARTFILE_SPEC): Likewise.
4409 * i386/uwin.h (LIB_SPEC): Likewise.
4410 (STARTFILE_SPEC): Likewise.
4412 * i386/mingw32.h (SUBTARGET_PROLOGUE): Override Cygwin definition.
4413 * i386/uwin.h (SUBTARGET_PROLOGUE): Likewise.
4415 Mon Dec 13 20:25:29 1999 Jeffrey A Law (law@cygnus.com)
4417 * combine.c (combine_simplify_rtx): Fix order of checks for
4418 (ashiftrt foo C) -> (lt foo (const_int 0)) simplification.
4420 1999-12-13 Clinton Popetz <cpopetz@cygnus.com>
4422 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi) Backed out
4423 12/10/99 change, reapplied to merged-arm-thumb-backend-branch.
4425 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
4427 * hard-reg-set.h (inv_reg_alloc_order): Declare if REG_ALLOC_ORDER is
4429 * regclass.c (inv_reg_alloc_order): New array.
4430 (regclass_init): If REG_ALLOC_ORDER is defined, initialize it.
4432 * reload.h (struct insn_chain): Delete fields group_size, group_mode,
4433 counted_for_groups, counted_for_nongroups. Add fields rld and
4435 * reload.c (push_secondary_reload): Don't set nongroup field of
4437 (push_reload): Likewise.
4438 (find_reloads): Delete code to compute nongroup fields.
4439 * reload1.c (reload_insn_firstobj): New static variable.
4440 (pseudos_counted, spilled_pseudos): Now of type regset_head. All
4442 (calculate_needs, find_tworeg_group, find_group, possible_group_p,
4443 count_possible_groups, modes_equiv_for_class_p, new_spill_reg,
4444 dump_needs, maybe_mark_pseudo_spilled, hard_reg_use_compare): Delete
4446 (count_pseudo, select_reload_regs, copy_reloads, find_reg): New
4448 (struct hard_reg_n_uses): Deleted.
4449 (potential_reload_regs): Deleted.
4450 (init_reload): Initialize spilled_pseudos and pseudos_counted.
4451 (reload): Don't try to allocate reload registers if we already know
4452 we have to make another pass. Call select_reload_regs. Free memory
4453 starting with reload_firstobj when starting another pass.
4454 Don't allocate spilled_pseudos.
4455 (calculate_needs_all_insns): Call copy_reloads for an insn that
4456 needs reloads; don't call calculate_needs.
4457 (spill_cost): New static array.
4458 (used_spill_regs_local): New static variable.
4459 (order_regs_for_reload): Rewrite to lose hard_reg_n_uses and the code
4460 to compute potential_reload_regs.
4461 (find_reload_regs): Completely rewritten to use find_reg.
4462 (allocate_reload_reg): Don't test counted_for_groups or
4463 counted_for_nongroups. Lose NOERROR arg and code to give an error;
4465 (choose_reload_regs): Add fallback code that uses the existing
4466 register allocation from find_reload_regs.
4468 Mon Dec 13 00:54:14 1999 Philippe De Muyter <phdm@macqel.be>
4470 * flow.c (create_edge_list): Cast xmalloc return value.
4472 Mon Dec 13 00:47:58 1999 Jeffrey A Law (law@cygnus.com)
4474 * doprnt.c: Remove incorrect comment closure.
4476 * cse.c: Fix a few minor whitespace goofs.
4478 1999-12-13 Don Bowman <don@pixstream.com>
4480 * mips/vxworks.h: Fix problem with comment termination.
4481 (EXTRA_SECTIONS): Add in_sbss.
4482 (EXTRA_SECTION_FUNCTIONS): Corresponding changes.
4484 1999-12-12 David S. Miller <davem@redhat.com>
4486 * cse.c (struct cse_reg_info): Add hash_next member,
4487 reorder rest of struct for better packing on 64-bit
4489 (cse_reg_info_tree): Kill.
4490 (REGHASH_SHIFT, REGHASH_SIZE, REGHASH_MASK, reg_hash,
4491 REGHASH_FN): New custom pow2 hash mechanism.
4493 (HASH_SHIFT, HASH_SIZE, HASH_MASK, HASH, table): Rework to
4494 use a pow2 hash table.
4495 (get_cse_reg_info): Rework to use new REGHASH.
4496 (new_basic_block): Likewise, use HASH_SIZE, and inline
4498 (remove_from_table): Rework to use HASH_SIZE/HASH_MASK,
4499 and inline free_element call.
4500 (lookup_as_function, insert, flush_hash_table, invalidate,
4501 remove_invalid_refs, remove_invalid_subreg_refs, rehash_using_reg,
4502 invalidate_for_call, use_related_value, find_comparison_args,
4503 fold_rtx, equiv_constant, cse_insn, invalidate_memory): Likewise.
4504 (hash_cse_reg_info, cse_reg_info_equal_p, free_element,
4507 Sun Dec 12 21:31:44 1999 Jeffrey A Law (law@cygnus.com)
4509 * cse.c (cse_basic_block): Free qty_table consistently.
4511 1999-12-12 David S. Miller <davem@redhat.com>
4512 Jakub Jelinek <jakub@redhat.com>
4514 * config/sparc/sparc.md (movtf reg/reg split): Don't generate
4515 SUBREGs by hand, gen the appropriate hard reg directly.
4516 (movtf reg/mem split): Likewise and alter_subreg on destination
4518 (movtf mem/reg split): Similarly.
4519 (movdf_cc_sp64): Rename from hidden pattern.
4520 (movtf_cc_hq_sp64): Renamed from movtf_cc_sp64.
4521 (movtf_cc_sp64, following split): New pattern and splitter.
4522 (movdf_cc_reg_sp64): Rename from hidden pattern.
4523 (movtf_cc_reg_hq_sp64): Renamed from movtf_cc_reg_sp64, require
4525 (movtf_cc_reg_sp64, following split): New pattern and splitter.
4527 1999-12-12 Stephen L Moshier <moshier@mediaone.net>
4529 * loop.c (load_mems): Don't hoist written floating point mem
4532 1999-12-12 Mark Mitchell <mark@codesourcery.com>
4534 * except.h (struct eh_queue): Add `next' pointer.
4535 (struct eh_status): Make x_ehqueue a pointer.
4536 (push_ehqueue): Declare.
4537 (pop_ehqueue): Likewise.
4538 * except.c (expand_eh_region_end): Adjust now that ehqueue is a
4540 (expand_fixup_region_end): Likewise.
4541 (expand_leftover_cleanups): Likewise.
4542 (push_ehqueue): Define.
4543 (pop_ehqueue): Likewise.
4544 (emit_cleanup_handler): Use push_ehqueue and pop_ehqueue rather
4545 than doing it inline.
4546 (expand_start_all_catch): Adjust now that ehqueue is a
4548 (mark_eh_queue): Mark all level of the queue.
4549 (mark_eh_status): Adjust now that ehqueue is a
4551 (init_eh_for_function): Allocate ehqueue.
4552 (free_eh_status): Free it.
4553 * stmt.c (expand_cleanups): Save the ehqueue around the cleanup
4554 expansion for a fixup.
4556 1999-12-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4558 * gthr-single.h (__gthread_active_p): Add prototype arguments.
4560 * libgcc2.c (__udivmoddi4): Remove unnecessary decls.
4561 (__dummy, __builtin_saveregs, __bb_exit_trace_func, __bb_init_prg,
4562 __bb_trace_func, __bb_trace_func_ret, __bb_trace_ret,
4563 function_ptr, getpagesize, __enable_execute_stack,
4564 __enable_execute_stack, __clear_insn_cache,
4565 __enable_execute_stack, __do_global_dtors, __do_global_ctors,
4566 _cleanup, _exit, __default_terminate, __terminate_func,
4567 __terminate, __empty, __throw, new_eh_context,
4568 eh_context_initialize, eh_context_static, eh_context_specific,
4569 get_eh_context, __get_eh_context, __get_eh_info,
4570 init_reg_size_table, eh_threads_initialize,
4571 __get_dynamic_handler_chain, __sjthrow, __sjpopnthrow,
4572 __unwinding_cleanup, throw_helper, __throw, __rethrow,
4573 __pure_virtual): Add prototype arguments.
4574 (__bb_exit_func): Cast a sizeof to long when comparing against one.
4575 Cast a signed value to unsigned long when comparing against one.
4576 (new_eh_context): Wrap in _GTHREADS macro.
4577 (__sjthrow, __sjpopnthrow): Initialize variable `cleanup' at
4579 (in_reg_window): Mark parameters with __attribute__ ((__unused__)).
4580 (throw_helper): Initialize variables `handler_p' and `pc_p'.
4582 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4584 * combine.c (record_promoted_value): Remove unused variable
4587 * emit-rtl.c (renumber_insns): Likewise for `old_max_uid'.
4589 * global.c (record_conflicts): Likewise for `j'.
4591 * genoutput.c (output_insn_data): Don't unnecessarily cast away
4594 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4596 * i386-protos.h (output_387_binary_op, output_fix_trunc,
4597 output_fp_compare): Constify a char*.
4599 * i386.c (ix86_split_to_parts, ix86_safe_length_prefix): Add
4601 (override_options, ix86_comp_type_attributes, print_operand,
4602 output_387_binary_op, output_fix_trunc, output_fp_compare):
4604 (ix86_sched_reorder): Mark parameter `clock_var' with
4607 * i386.h (DEBUG_PRINT_REG): Constify a char*.
4609 Fri Dec 10 16:12:13 1999 Alexandre Petit-Bianco <apbianco@cygnus.com>
4611 * tree.def (EXPR_WITH_FILE_LOCATION): Temporarily add a third
4612 operand, for use in the Java front-end.
4614 1999-12-10 Ben Collins <bcollins@debian.org>
4616 * configure.in: Fix typo for "-64" in 64bit as check.
4617 * configure: Rebuilt.
4619 1999-12-10 Jakub Jelinek <jakub@redhat.com>
4621 * longlong.h (__sparc_v9__): Use %rDIGIT instead of %DIGIT where
4624 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4626 * c-parse.in (string): With -Wtraditional, warn if ANSI string
4627 concatenation is utilized.
4629 * invoke.texi (-Wtraditional): Document it.
4631 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4633 * flow.c (flow_loops_dump): Avoid ANSI string concatenation.
4634 Cast a ptrdiff_t to long and pass it to printf with %ld.
4636 1999-12-10 Geoff Keating <geoffk@cygnus.com>
4638 * config/m68k/m68k.h (CONDITIONAL_REGISTER_USAGE): If we have no
4639 68881, we have no 68881 registers at all.
4640 (HARD_REGNO_MODE_OK): It is always OK to put a MODE_FLOAT
4641 value in a 68881 register if it is available.
4643 1999-12-10 Clinton Popetz <cpopetz@cygnus.com>
4645 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi): New patterns
4646 for long long multiply-accumulate.
4648 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
4650 * loop.c (insert_loop_mem): Undo last change.
4652 1999-12-10 David S. Miller <davem@redhat.com>
4654 * config/sparc/sparc.c (fp_sethi_p, fp_mov_p, fp_high_losum_p):
4656 * config/sparc/sparc-protos.h: Add them.
4657 * config/sparc/sparc.h: Add them to PREDICATE_CODES.
4658 (EXTRA_CONSTRAINT_BASE): New macro, handling Q, R, and S
4659 constraints which use those helpers.
4660 (EXTRA_CONSTRAINT): Use this new macro.
4661 * md.texi: Update sparc target constraints documentation.
4662 * config/sparc/sparc.md (clear_sf, clear_sfp, movsf_const_intreg,
4663 movsf_const_high, movsf_const_lo, movsf_insn): Delete.
4664 (movsf_insn_novis_liveg0, movsf_insn_novis_noliveg0,
4665 movsf_insn_vis, movsf_lo_sum, movsf_high): New patterns.
4666 (movsf high/lo_sum split): Rework for new patterns.
4667 (movsf expander): Allow storing fp_zero to memory if ! live_g0.
4669 1999-12-09 Gavin Romig-Koch <gavin@cetus.cygnus.com>
4671 * c-common.c (c_common_nodes_and_builtins):
4672 Create __builtin_ptrdiff_t and __builtin_size_t.
4674 Thu Dec 9 18:05:48 1999 Jeffrey A Law (law@cygnus.com)
4676 * pa/elf.h (MAX_OFILE_ALIGNMENT): Define.
4678 Fri Dec 10 00:53:10 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
4680 * regclass.c (globalize_reg): Re-instate test that allows
4681 fixed registers to be declared as a variable even after functions
4684 Fri Dec 10 00:52:13 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
4686 * i386.md (cpu attribute): Add "athlon".
4687 (athlon_decode): New attribute.
4688 (Athlon scheduling units definitions): New.
4689 (fcmp and shld patterns): Set athlon_decode to "vector".
4690 * i386.c (athlon_cost): New.
4692 (x86_use_leave, x86_push_memory, x86_movx, x86_cmove, x86_deep_branch,
4693 x86_use_sahf): Set for Athlon.
4694 (x86_use_fiop): Unset for Athlon.
4695 (override_options): Define Athlon alignments and "athlon" name.
4696 (x86_adjust_cost): Penalize AGI and delayed latencies for Athlon.
4697 * i386.h (TARGET_ATHLON): New.
4698 (enum processor_type): Add PROCESSOR_ATHLON.
4699 (TARGET_CPU_DEFAULT_SPEC): Set to "-D__tune_athlon__"
4701 (TARGET_CPP_CPU_SPECS): Set -D__tune_athlon__ for Athlon.
4703 1999-12-09 Andreas Jaeger <aj@suse.de>
4705 * loop.c (record_biv): Declare parameter as int.
4707 * config/i386/i386-protos.h: Declare long_memory_operand.
4709 1999-12-09 Mark Mitchell <mark@codesourcery.com>
4711 * tree.c (copy_node): Do zero the TREE_CHAIN, even for an
4712 EXPR_WITH_FILE_LOCATION.
4714 Thu Dec 9 11:36:24 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
4716 * i386.md (neg??, abs?f, one_cmpl?i): Use nonimmediate_operand
4719 * flow.c (recompute_reg_usage): Use basic block info to get loop_depth.
4721 * combine.c (try_combine, distribute_notes): Remove REG_N_REFS
4724 1999-12-09 Jakub Jelinek <jakub@redhat.com>
4726 * config/sparc/linux64.h (TARGET_DEFAULT): Make -mapp-regs
4727 default on linux64 again.
4728 * config/sparc/t-linux64: Add mno-app-regs and non-medlow code
4729 models for multilibing.
4730 * genmultilib: Accept | as alternative separator within a set in
4733 * config/sparc/sparc.h (PROMOTE_FOR_CALL_ONLY): Define.
4735 * calls.c (precompute_arguments): Make sure initial_value contains
4736 value pseudo which CSE expects.
4737 * cse.c (struct set): New entry orig_src.
4738 (cse_insn): Set it early on entry, use it for libcall EQUIV note
4741 Wed Dec 8 22:24:15 1999 Richard Henderson <rth@cygnus.com>
4743 * flow.c (count_basic_blocks): Don't add (use (const_int 0)) insns.
4745 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
4747 * loop.c (insert_loop_mem): Don't hoist volatile mems out of loops.
4749 1999-12-08 Jakub Jelinek <jakub@redhat.com>
4751 * config/sparc/sparc.c (ultra_cmove_results_ready_p,
4752 ultra_fpmode_conflict_exists, ultra_flush_pipeline): Typo fix.
4754 * config/sparc/sparc.h (SPARC_SETHI_P): Don't look at topmost 32 bits
4757 * longlong.h: Merge in changes from glibc.
4758 Also don't clobber %g2 register in 32bit SPARC assembly, so that
4759 -mno-app-regs libgcc can be compiled.
4760 * libgcc2.c: Add defines so that the updated longlong.h
4761 can be used in libgcc2.a. Also, make sure on most architectures
4762 (at least on all which have optimized code in longlong.h defined
4763 for) {SI,W}_TYPE_SIZE is suitable for preprocessor tests.
4765 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
4767 * config/sparc/sol2-64.h: Same as sol2-sld-64.h, except that
4768 `-m EMULATION' is added to non-default LINK_ARCH_SPECs.
4769 * configure.in: Use sol2-64.h instead of sol2-sld-64.h if linker
4771 * configure: Rebuilt.
4773 Wed Dec 8 03:45:40 1999 Richard Henderson <rth@cygnus.com>
4775 * alpha.c (secondary_reload_class): For !BWX, sub-simode
4776 outputs require a register.
4778 1999-12-08 Brendan Kehoe <brendan@cygnus.com>
4780 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Add _sf_to_usi
4781 _df_to_usi. Required by some targets, so US_SOFTWARE_GOFAST calls to
4782 functions like dptoul will be resolved.
4783 (libgcc2.a): Make sure that the object files from DPBIT are named
4784 differently (prefix `_dp') from those that would be coming from
4787 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>, Jakub Jelinek <jakub@redhat.com>
4789 * configure.in: When target is sparc* and tm_file contains 64,
4790 test for 64bit support in assembler. If not supported, remove
4791 sparc/t-sol2-64 from target-dependent Makefile fragments.
4792 (AS_SPARC64_FLAG): Define to the assembler flag for 64bit.
4793 (HAVE_AS_OFFSETABLE_LO10): Rework test to use these flags.
4794 (HAVE_AS_REGISTER_PSEUDO_OP): Use config.cache.
4795 * acconfig.h (AS_SPARC64_FLAG): Added.
4796 * configure, config.in: Rebuilt.
4797 * config/sparc/sol2-sld-64.h: Same as sol2.h, if without 64bit
4798 support. Use AS_SPARC64_FLAG.
4800 1999-12-07 Jakub Jelinek <jakub@redhat.com>
4802 * config/sparc/sparc.c (hard_32bit_mode_classes): Mark registers
4803 suitable for holding OFmode values so that gcc works with complex
4805 (hard_64bit_mode_classes): Likewise.
4807 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): Fix pattern
4808 so that it is actually matched.
4809 (sethi_di_medlow): Likewise.
4811 * config/sparc/sparc.h (LEGITIMATE_CONSTANT_P): Consider TFmode 0.0L
4812 as legitimate constant if -mvis.
4813 * config/sparc/sparc.md (movtf): Likewise.
4814 (clear_sf): Use const_double_operand.
4815 (clear_sfp, clear_dfp, clear_tf, clear_tfp): New patterns.
4817 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): New function.
4818 * config/sparc/sparc-protos.h (sparc_emit_float_lib_cmp): Prototype.
4819 * config/sparc/sparc.h (*_LIBCALL): Only use for _Q_*
4820 routines, _Qp_* cannot be handled like that now.
4821 (INIT_TARGET_OPTABS): Likewise.
4822 * config/sparc/sparc.md (cmptf): Accept soft float ARCH64.
4823 (seq, sne, sgt, sge, slt, sle, beq, bne, bgt, bge, blt, ble): Call
4824 sparc_emit_float_lib_cmp if ARCH64 and soft float.
4825 (extendsftf2, extenddftf2, trunctfsf2, trunctfdf2, floatsitf2,
4826 floatditf2, fix_trunctfsi2, fix_trunctfdi2, addtf3, subtf3, multf3,
4827 divtf3, sqrttf3): New expanders.
4828 (extendsftf2_hq, extenddftf2_hq, trunctfsf2_hq, trunctfdf2_hq,
4829 floatsitf2_hq, floatditf2_hq, fix_trunctfsi2_hq, fix_trunctfdi2_hq,
4830 addtf3_hq, subtf3_hq, multf3_hq, divtf3_hq, sqrttf3_hq): Rename from
4833 * configure.in (sparc64-*-linux*): Use posix threads if enabled.
4834 * configure: Rebuilt.
4835 * config/sparc/linux64.h: Default to -mcpu=ultrasparc if no
4836 -mcpu is given and we're doing 64bit compiles.
4838 Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
4840 * loop.h (struct induction): Add multi_insn_incr.
4841 * loop.c (basic_induction_var): New multi_insn_incr argument.
4842 Set it if we search back through previous insns for the biv.
4843 (record_biv): New multi_insn_incr argument; fill in struct induction.
4844 (strength_reduce): Discard an iv with multiple bivs, any of
4845 which require multiple insns to increment.
4847 1999-12-07 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4849 * invoke.texi (C Dialect Options): Remove -flang-c9x, add -std
4852 1999-12-06 David S. Miller <davem@redhat.com>
4854 * combine.c (check_promoted_subreg): Do not conditionalize this upon
4855 PROMOTE_FUNCTION_RETURN.
4857 Mon Dec 6 15:12:14 1999 Jim Wilson <wilson@cygnus.com>
4859 * regmove.c (optimize_reg_copy_1): If no REG_DEAD note, check for
4860 and handle REG_UNUSED note on insn.
4862 * combine.c (force_to_mode, case LSHIFTRT): New local inner_mask. Set
4863 inner_mask instead of mask.
4865 1999-12-06 Brendan Kehoe <brendan@cygnus.com>
4867 * dwarf2out.c (field_byte_offset): As with dwarfout.c, size can be
4868 zero if there was an error.
4870 1999-12-06 Jakub Jelinek <jakub@redhat.com>
4872 * config/sparc/sparc.md (return_losum_di): Fix typo in asm
4875 * longlong.h: Fix clobbers in SPARC asm statements.
4877 * config/sparc/sparc.c (input_operand): Allow HImode and QImode
4878 valid sethi operations when TARGET_ARCH64.
4880 * calls.c (save_fixed_argument_area): If save_mode is BLKmode,
4881 always use move_by_pieces to avoid infinite recursion.
4882 (restore_fixed_argument_area): Likewise.
4884 * combine.c (check_promoted_subreg, record_promoted_value): New
4886 (combine_instructions): Use them to retain nonzero and sign bit
4887 information after SUBREGs are eliminated by optimizations in
4888 this pass if PROMOTE_FUNCTION_RETURN.
4890 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): Document
4891 .register declaration. Don't use variables with __ prefixes.
4893 Mon Dec 6 12:24:52 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4895 * fold-const.c (optimize_bit_field_compare): Only use one mode
4896 for both RHS and LHS in non-constant case.
4898 1999-12-06 Nathan Sidwell <nathan@acm.org>
4900 * frame.c (start_fde_sort): Only allocate erratic array, if
4901 linear one was allocated. Return allocated flag.
4902 (fde_insert): Only insert, if there's a valid array.
4903 (fde_end_sort): Split, sort and merge if linear and erratic
4904 arrays exist, else just sort linear one.
4905 (search_fdes): New function. Linear search through original fde
4907 (frame_init): Permit multiple initializations. Cope with
4909 (find_fde): Fallback on linear search, if failed to sort array.
4910 (__deregister_frame_info): Only free sorted array, if we
4913 1999-12-06 Jakub Jelinek <jakub@redhat.com>
4915 * config/sparc/sparc.h (MUST_PASS_IN_STACK): New macro.
4917 1999-12-05 Jakub Jelinek <jakub@redhat.com>
4919 * config/sparc/sparc.c (sparc64_initialize_trampoline): Use gen_flushdi.
4921 1999-12-05 Mark Mitchell <mark@codesourcery.com>
4923 * tree.h (special_function_p): Declare.
4924 * calls.c (special_function_p): Make it global. Don't take `name'
4925 as a parameter. Fix typo in 1999-11-28 change.
4926 (expand_cal): Adjust.
4928 1999-12-04 Mark Mitchell <mark@codesourcery.com>
4930 * tree.def (EXPR_WITH_FILE_LOCATION): Fix comment formatting.
4931 * tree.h (EXPR_WFL_FILENAME): Define in terms of
4932 EXPR_WFL_FILENAME_NODE.
4933 (EXPR_WFL_FILENAME_NODE): Use the second operand slot rather than
4935 * print-tree.c (print_note): Print TREE_PRIVATE and
4938 * dwarf2out.c (add_abstract_origin_attribute): Don't abort when
4939 the original die cannot be found.
4941 * varray.h (varray_head_tag): Add elements_used.
4942 (VARRAY_PUSH): New macro.
4943 (VARRAY_POP): Likewise.
4944 (VARRAY_TOP): Likewise.
4945 Add variants of VARRAY_PUSH and VARRAY_POP for all varray element
4947 * varray.c (varray_init): Initialize elements_used.
4948 * Makefile.in (BASIC_BLOCK_H): Add varray.h.
4949 (INTEGRATE_H): New variable.
4950 (integrate.o): Depend on INTEGRATE_H.
4951 (unroll.o): Likewise.
4953 * function.h (insert_block_after_note): Declare.
4954 * function.c (insert_block_after_note): Split out from ...
4955 (retrofit_block): ... here.
4957 * stmt.c (expand_fixup): Fix typo in comment.
4959 Sat Dec 4 14:13:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
4961 * regmove.c (copy_src_to_dest): Remove loop_depth parameter.
4962 (optimize_reg_copy_1): Remove REG_N_REFS updating code.
4963 (optimize_reg_copy_2, copy_src_to_dest, fixup_match_2): Likewise.
4964 (regmove_optimize, fixup_match_1): Likewise.
4966 1999-12-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4968 * flow.c (flow_loops_dump): Add missing argument when calling
4971 1999-12-04 Geoffrey Keating <geoffk@cygnus.com>
4972 Greg McGary <gkm@gnu.org>
4974 * c-common.c (enum attrs): Add A_NO_LIMIT_STACK.
4975 (init_attributes): Add A_NO_LIMIT_STACK.
4976 (decl_attributes): Handle A_NO_LIMIT_STACK.
4977 * c-decl.c (duplicate_decls): Handle DECL_NO_LIMIT_STACK.
4978 * explow.c (allocate_dynamic_stack_space) [!HAVE_allocate_stack]:
4979 Handle stack bounds checking.
4980 * flags.h (flag_stack_check): Use the word 'probe' rather than
4981 'check', because the flag doesn't actually cause any checking to
4983 * function.c (expand_function_start): Set
4984 current_function_limit_stack.
4985 * function.h (struct function): Add limit_stack.
4986 (current_function_limit_stack): Define.
4987 * invoke.texi (Code Gen Options): Document new options.
4988 * rtl.h: Declare stack_limit_rtx.
4989 * toplev.c (stack_limit_rtx): New variable.
4990 (decode_f_option): Handle new options -fstack-limit-register=REG,
4991 -fstack-limit-symbol=IDENT, -fno-stack-limit.
4992 (main): Add stack_limit_rtx as GC root.
4993 * tree.h (DECL_NO_LIMIT_STACK): New macro.
4994 (struct tree_decl): New member no_limit_stack.
4996 * config/rs6000/rs6000.c (rs6000_allocate_stack_space): Handle
4998 * config/rs6000/rs6000.md (allocate_stack): Handle stack_limit_rtx.
4999 (conditional_trap+1): Get new mnemonic correct.
5000 (conditional_trap+2): New pattern for DImode traps.
5002 * config/m68k/m68k.c (output_function_prologue): Handle
5004 * config/m68k/m68k.md (trap): New insn.
5005 (conditional_trap): New insn.
5006 * md.texi (Standard Names): Document `trap' and
5008 * optabs.c (gen_cond_trap): Use start_sequence()/end_sequence()
5009 so a cc0 setter doesn't get emitted at some random place in the
5012 * config/i960/i960.md (trap): New insn.
5013 (conditional_trap): New expander.
5014 (conditional_trap+1, conditional_trap+2): New insns for signed
5016 * config/i960/i960.c (i960_function_prologue): Use
5017 STARTING_FRAME_OFFSET. Handle stack_limit_rtx.
5019 Thu Dec 2 21:22:45 1999 Greg McGary <gkm@gnu.org>
5020 Geoffrey Keating <geoffk@cygnus.com>
5022 * flags.h (warn_padded, warn_packed): Add global var decls.
5023 * toplev.c (warn_padded, warn_packed): Add global var defns.
5024 (W_options): Add warnings `-Wpacked' and `-Wpadded'.
5025 * stor-layout.c (layout_record): Add local variable `type'
5026 to hold often-used TREE_TYPE (field). Add local variable
5027 `unpacked_align' to hold alignment that would be in force
5028 if no `packed' attribute were present. Warn if `packed' attribute
5029 is unnecessary, or even harmful. Warn when gcc inserts padding
5030 to satisfy alignment requirements of members. Use NULL_TREE
5031 when checking whether var_size is set.
5032 * invoke.texi: Document new flags.
5034 1999-12-03 Nathan Sidwell <nathan@acm.org>
5036 * frame.c (fde_split): Reimplement to avoid variable sized array.
5038 Thu Dec 2 18:59:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
5040 * combine.c (try_combine): Before fixing up LOG_LINKS for the
5041 i3_subst_into_i2 case, check that GET_CODE (PATTERN (i2)) == PARALLEL.
5043 1999-12-02 Gavin Romig-Koch <gavin@cygnus.com>
5045 * invoke.texi: Document the mips option -mno-crt0
5047 1999-12-02 Mike Karr <mkarr@mathworks.com>
5049 * cccp.c (argdata): Added free_ptr member.
5050 (macroexpand): Initialize free_ptr of each argument. When an
5051 argument's buffers are freed, if the argument's free_ptr corresponds
5052 to a buffer on the input stack, then return the free_ptr to that stack
5053 frame, otherwise, free it.
5054 (macarg): If an argument begins and ends on the same input stack level,
5055 then transfer the free_ptr of that buffer to the argument in case
5056 the stack is popped during the processing of a subsequent argument.
5058 1999-12-02 Bernd Schmidt <bernds@cygnus.co.uk>
5060 * loop.c (note_reg_stored): New function.
5061 (struct note_reg_stored_arg): New structure.
5062 (try_copy_prop): Change to be more conservative; only replace within
5063 one extended basic block and stop replacing if a store to the
5064 replacement reg is seen.
5066 1999-12-02 Nick Clifton <nickc@cygnus.com>
5068 * config/fp-bit.c: Initialise all fields of the NAN
5071 * c-lex.c (check_newline): Pass pragma_getc and pragma_ungetc
5074 Wed Dec 1 18:16:38 1999 Jan Hubicka <hubicka@freesoft.cz>
5076 * i386.md (extend?f?f2): Force the input into a register, not
5079 1999-12-01 Jakub Jelinek <jakub@redhat.com>
5081 * config/sparc/sparc.md (movsf_const_intreg): Add constraints for
5083 (movdf_const_intreg_sp32): Likewise. Prefer the memory load
5084 alternative because setting up 64bit constant is usually costly,
5085 especially when reload is in progress or completed.
5086 (movdf_const_intreg_sp64): Likewise.
5087 (movdf_const_intreg split): Fix building up constants when
5088 HOST_BITS_PER_WIDE_INT is 64 yet long is 32bit.
5090 Wed Dec 1 16:51:22 1999 Jeffrey A Law (law@cygnus.com)
5092 * combine.c (if_then_else_cond): Use const_true_rtx instead of
5093 const1_rtx for return values in EQ/NE comparison against (const_int 0)
5096 * mn10300.c (REG_SAVE_BYTES): Allocate space for AM33 registers.
5097 (asm_file_start): Emit .am33 into assembly file when compiling for
5099 (print_operand_address): Handle POST_INC addresses.
5100 (can_use_return_insn, initial_offset): Check AM33 registers too.
5101 (expand_prologue): Check & save AM33 registers too.
5102 (expand_epilogue): Similarly.
5103 (secondary_reload_class): Handle AM33 specific secondary reloads.
5104 (output_tst): Emit efficient code for the AM33 too.
5105 * mn10300.h (CPP_SPEC, TARGET_AM33): Define.
5106 (TARGET_SWITCHES): Add -mam33 switch.
5107 (FIRST_PSEUDO_REGISTER): Handle new AM33 registers.
5108 (FIXED_REGISTERS, CALL_USED_REGISTERS): Likewise.
5109 (REG_ALLOC_ORDER, CONDITIONAL_REGISTER_USAGE): Likewise.
5110 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P): Likewise.
5111 (enum reg_class, REG_CLASS_NAMES): Likewise.
5112 (REG_CLASS_CONTENTS, REGNO_REG_CLASS): Likewise.
5113 (INDEX_REG_CLASS, REG_CLASS_FROM_LETTER): Likewise.
5114 (REGNO_OK_FOR_INDEX_P, PREFERRED_RELOAD_CLASS): Likewise.
5115 (PREFERRED_OUTPUT_RELOAD_CLASS, LIMIT_RELOAD_CLASS): Likewise.
5116 (REGISTER_MOVE_COST, REGISTER_NAMES): Likewise.
5117 (HAVE_POST_INCREMENT): Define.
5118 (GO_IF_LEGITIMATE_ADDRESS): Allow POST_INC addresses for the AM33.
5119 (GO_IF_MODE_DEPENDENT_ADDRESS): POST_INC is a mode dependent address.
5120 * mn10300.md (movqi, movhi, addsi, subsi): Add AM33 variants.
5121 (mulsi, andsi, iorsi, xorsi, notsi): Likewise.
5122 (ashiftsi, lshiftrtsi, ashiftrtsi): Likewise.
5123 (zero_extend to SI from QI/HI): Likewise.
5124 (sign_extend to SI from QI/HI): Likewise.
5125 (mulsidi3, umulsidi3): New patterns for the AM33.
5126 (tstsi with zero extension from QI/HI): Add AM33 variants.
5127 (movsi, movsf, movdi, movdf): Generate efficient code for the AM33 too.
5128 (return_internal_regs, store_movm): Handle new AM33 registers.
5129 * t-mn10300 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Define.
5130 (LIBGCC, INSTALL_LIBGCC): Likewise.
5131 * invoke.texi: Document new flags.
5133 Fri Nov 26 10:59:12 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
5135 * i386.md (addsi3_cc): Add "binary_operator_ok" to the condition.
5136 (addsi3_carry): Likewise.
5137 (sbbsi3_cc): Add "binary_operator_ok" to the condition.
5138 (sbbsi3_carry): Likewise.
5139 (mulsi3): Rewrite to expander, ensure that only one operand is memory.
5141 (test?i_1): Ensure that only one operand is memory.
5142 (conditional move patterns): likewise.
5143 (shift and rotate patterns): Rewrite to expander, add
5144 "binary_operator_ok" to the condition.
5146 * i386.md (QImode patterns): Remove '*' before the 'r' constraints.
5147 * i386.h (procesor_costs): Add movzbl_load field.
5148 (HARD_REGNO_MODE_OK): Accept QImode on non PARTIAL_REGISTER_STALL in
5149 non-Q registers, accept DImode registers anywhere.
5151 (MEMORY_MOVE_COST): Calculate QImode moves correctly.
5152 * i386.c (*_cost): Set value for movxbl_load field.
5154 * (addsi): New add to lea splitter.
5156 (lea to add/shift peep2): New.
5158 1999-12-01 Mark Salter <msalter@cygnus.com>
5160 * config/mips/elf.h (STARTFILE_SPEC): Add no-crt0.
5161 * config/mips/elf64.h (STARTFILE_SPEC): Add no-crt0.
5162 * config/mips/mips.h (TARGET_SWITCHES): Add no-crt0.
5164 Tue Nov 30 15:20:52 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
5166 * i386.c (ix86_expand_move): Never add clobbers to move patterns.
5167 * i386.md (movsi_xor): New.
5169 (movsi_1, movhi_1, movqi_1): Remove.
5170 (movsi_2): Rename to movsi_1.
5171 (movhi_2): Rename to movhi_1.
5172 (movqi_2): Rename to movqi_1.
5173 (movdi_1): Remove; remove splitter.
5174 (movdi_2): Rename to movdi_1.
5175 (divmodsi4 splitter): Do not emit clobbers for move patterns.
5176 (long move peep2): Do not create QI or HI mode mov0s
5177 (mov -1,reg -> or peep2s): Enable again, rewrite to single peephole.
5179 * i386.md (zero_extend?i?i2): Rewrite to expanders; new patterns,
5182 * i386.md (neg?f2_if): Split "r" and "f" to separate alternatives.
5183 (abs?f2_if): Likewise.
5185 1999-11-30 Alex Samuel <samuel@codesourcery.com>
5187 * ggc.h (ggc_test_and_set_mark): New macro.
5188 (ggc_mark_rtx): Use ggc_test_and_set_mark.
5189 (ggc_mark_tree): Likewise.
5190 (ggc_mark_rtvec): Likewise.
5191 * ggc-common.c (ggc_mark_rtx_children): Reduce recursion.
5193 1999-11-30 Jason Merrill <jason@casey.cygnus.com>
5195 * dwarf2out.c (scope_die_for): Only handle types. Only search for
5197 (decl_scope_table): Just an array of trees now.
5198 (push_decl_scope): Simplify.
5199 (dwarf2out_init): Adjust.
5200 (local_scope_p): New fn.
5201 (gen_inlined_enumeration_type_die): Don't call scope_die_for.
5202 (gen_inlined_union_type_die, gen_inlined_structure_type_die): Likewise.
5203 (gen_typedef_die): Likewise.
5204 (gen_lexical_block_die): Don't call push/pop_decl_scope.
5205 (gen_inlined_subroutine_die): Likewise.
5206 (gen_abstract_function): Set current_function_decl temporarily.
5207 (gen_subprogram_die): Don't check DECL_ABSTRACT to set declaration.
5208 Handle block extern declarations. Don't call push/pop_decl_scope.
5209 (gen_decl_die): Fix logic for block externs.
5211 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5213 * calls.c (special_function_p): Remove `realloc' and add `strdup'
5214 to the list of functions which have attribute malloc by default.
5216 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5218 * c-lex.c (yylex): With -Wtraditional, when the ANSI type of an
5219 integer constant does not match the traditional type, limit the
5220 warnings to cases where the base of the type is ten.
5222 * invoke.texi (-Wtraditional): Document it.
5224 Tue Nov 30 15:18:35 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5226 * combine.c (try_combine): Only pass SET or CLOBBER to SET_DEST
5227 * rs6000.md: Only access a CONST_INT with INTVAL
5229 Tue Nov 30 14:21:00 1999 Richard Henderson <rth@cygnus.com>
5231 * lcm.c (compute_laterin): Cast bb->aux to size_t not int.
5232 (compute_nearerout): Likewise.
5233 * ggc-page.c (ggc_page_print_statistics): Explicitly cast
5234 size_t to unsigned long for formatting.
5236 1999-11-30 Jakub Jelinek <jakub@redhat.com>
5238 * config/sparc/sparc.h (FIXED_REGISTERS, CONDITIONAL_REGISTER_USAGE):
5239 Allow the user to override call-used/fixed state of %g2-5
5240 registers from the command line (with the exception of %g4 for
5242 (REG_LEAF_ALLOC_ORDER): Move %g1 and %g4-7 registers to front, so that
5243 there is a higher chance of having a leaf function.
5244 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Provide separate macros
5245 for ARCH64 which has %ccr register.
5246 * config/sparc/sparc.md (return_losum_si, return_losum_di): New
5248 * config/sparc/sparc.c (eligible_for_epilogue_delay): For the return
5249 insn accept into delay slot any insn which does not use %[ol]
5250 registers. Accept some LO_SUM and shift left by 1 for the normal
5252 (output_function_epilogue): Likewise.
5253 (epilogue_renumber): Added argument which inhibits any renumbering
5254 and just tests if the rtx does not use any %[ol] registers.
5255 (output_return): Reflect above change.
5257 1999-11-30 Jakub Jelinek <jakub@redhat.com>
5259 * config/sparc/sparc.c (sparc_va_arg): Fix sparc64 va_arg
5260 aggregate passing for sizes <= 16 bytes.
5262 1999-11-30 Bernd Schmidt <bernds@cygnus.co.uk>
5264 * cse.c (FIXED_REGNO_P): Delete tests for OVERLAPPING_REGNO_P.
5265 * global.c (global_alloc): Delete [OVERLAPPING_REGNO_P] code.
5266 * reload.c (find_dummy_reload): Likewise.
5267 (find_equiv_reg): Likewise; also for INSN_CLOBBERS_REGNO_P.
5268 * reload1.c (reload_as_needed): Likewise.
5269 * stupid.c (stupid_find_reg): Likewise.
5270 * tm.texi (Obsolete Register Macros): Delete section.
5271 * gmicro.h: Remove all traces of the two macros.
5276 1999-11-30 Brendan Kehoe <brendan@cygnus.com>
5278 * sparc.h (MASK_FASTER_STRUCTS, TARGET_FASTER_STRUCTS): Define.
5279 (TARGET_SWITCHES): Add -mfaster-structs/-mno-faster-structs flags.
5280 (ROUND_TYPE_ALIGN): Use better value if -mfaster-structs.
5281 * sparc.md (sparclite86x_branch, sparclite86x_shift): New function
5282 units for the sparclite86x chip.
5283 (flush): Revert October 14th change; add SImode specifically.
5284 (flushdi): Copy of flush, but DImode, to avoid genrecog warnings.
5285 * invoke.texi: Document it.
5287 Tue Nov 30 14:58:14 1999 Nick Clifton <nickc@cygnus.com>
5289 * config/mn10200/mn10200.h (PREDICATE_CODES): Add
5290 psimode_truncation_operand.
5292 * config/mn10200/mn10200.c (psimode_truncation_operand): New
5293 function. Return true if the operand is either a MEM valid
5294 for a PSImode address or not a MEM at all.
5296 * config/mn10200/mn10200.md (truncsipsi2): Use
5297 psimode_truncation_operand.
5299 1999-11-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5301 * flow.c (flow_nodes_print, flow_loops_cfg_dump): New functions.
5302 (flow_loop_nested_p, flow_loops_dump, flow_loops_free): Likewise.
5303 (flow_loop_exits_find, flow_loop_nodes_find): Likewise.
5304 (flow_depth_first_order_compute, flow_loop_pre_header_find): Likewise.
5305 (flow_loop_tree_node_add, flow_loops_tree_build): Likewise.
5306 (flow_loop_level_compute, low_loops_level_compute): Likewise.
5307 (flow_loops_find, flow_loop_outside_edge_p): Likewise.
5308 * basic-block.h: Protect from multiple inclusion.
5309 (flow_loops_find, flow_loops_free, flow_loop_dump): Add protoypes.
5310 (struct loops, struct loop): Define structures.
5311 * sbitmap.c (sbitmap_a_subset_b_p): New function.
5312 * sbitmap.h: Protect from multiple inclusion.
5313 (sbitmap_a_subset_b_p): Add prototype.
5314 * Makefile.in (LOOP_H): New macro.
5315 (stmt.o, integrate.o, loop.o, unroll.o): Replace loop.h with LOOP_H.
5317 Tue Nov 30 01:34:47 1999 Philippe De Muyter <phdm@macqel.be>
5319 * cppinit.c (CAT): The argument list of this macro may not contain
5322 1999-11-29 David S. Miller <davem@redhat.com>
5324 Move quantity tables and register equivalence chains into
5325 per-qty and per-register structure arrays respectively.
5326 * cse.c (qty_first_reg, qty_last_reg, qty_mode, qty_const,
5327 qty_const_insn, qty_comparison_code, qty_comparison_const,
5328 qty_comparison_qty): Delete, replace with...
5329 (qty_table): this structure table.
5330 (reg_next_eqv, reg_prev_eqv): Delete, replace with...
5331 (reg_eqv_table): this structure table.
5332 (make_new_qty): Add argument MODE. Caller updated.
5333 Update to use qty_table and reg_eqv_table.
5334 (make_regs_eqv, delete_reg_equiv, insert_regs,
5335 insert, exp_equiv_p, cse_rtx_varies_p, canon_reg,
5336 fold_rtx, equiv_constant, record_jump_cond, cse_insn,
5337 cse_process_notes, cse_main, cse_basic_block): Likewise.
5339 Mon Nov 29 16:56:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5341 * fold-const.c (extract_muldiv, case {MIN,MAX}_EXPR): Reverse
5342 operation if C is negative.
5343 (extract_muldiv, case SAVE_EXPR): Supresss if arg has side effects.
5344 (extract_muldiv, case {PLUS,MINUS}_EXPR): Don't apply distributive
5345 law for some divisions if constant is negative and change other
5346 divisions to the opposite rounding.
5348 * expr.c (store_constructor_field): If bit position is not multiple
5349 of alignment of TARGET's mode, use BLKmode.
5351 * expr.c (expand_expr_unaligned): Add more code from full case
5352 that is needed when OP0 is in a register.
5354 Mon Nov 29 18:09:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
5356 * dwarfout.c (field_byte_offset): Size can be zero if there was
5359 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
5361 * fold-const.c (split_tree): Delete unused vars ORIG_IN and TYPE.
5362 (associate_trees): Delete unused var TEM.
5363 (extract_muldiv): Delete unused var CANCEL_P.
5365 * fold-const.c [TARGET_FLOAT_FORMAT != IEEE_FLOAT_FORMAT]
5366 (target_isinf, target_isnan, target_negative): Add return types to
5367 function definitions.
5369 1999-11-29 Bruce Korb <autogen@linuxbox.com>
5371 * fixinc/fixincl.c(process): don't skip GLIBC files any more.
5372 * fixinc/hackshell.tpl: ditto
5373 * fixinc/fixtests.c(double_slash_test): more C++ header testing
5374 * fixinc/inclhack.def(AAB_fd_zero_glibc*): corrected spelling of mach
5376 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
5378 * reload.c (push_reload): When looking for a register to put into
5379 reg_rtx, make sure all hard regs in a multi-reg register are in the
5380 right class and nonfixed.
5382 * haifa-sched.c (reg_last_uses, reg_last_sets, reg_last_clobbers,
5383 pending_read_insns, pending_write_insns, pending_read_mems,
5384 pending_write_mems, pending_list_length, last_pending_memory_flush,
5385 last_function_call, sched_before_next_call): Move static variables
5387 (bb_ prefixed versions): Replace with single array bb_deps.
5388 (struct deps): New structure.
5389 (add_insn_mem_dependence, flush_pending_lists, sched_analyze_1,
5390 sched_analyze_2, sched_analyze_insn, sched_analyze): Accept new
5391 argument of type "struct deps *"; use that instead of global
5392 variables. All callers changed.
5393 (init_rgn_data_dependencies): Delete function.
5394 (init_rtx_vector): Delete function.
5395 (init_deps): New function.
5397 (free_pending_lists): Simplify, we always use the bb_deps array even
5398 if only one basic block.
5399 (compute_block_backward_dependences): Likewise.
5400 (schedule_region): Likewise.
5402 (propagate_deps): New function, broken out of
5403 compute_block_backward_dependences.
5404 (compute_block_backward_dependences): Use it.
5406 * alpha.md: Delete useless patterns that tried to work around
5407 register elimination problems.
5409 * unroll.c (loop_iterations): Don't abort if iteration variable
5412 From Joern Rennecke:
5413 * reload1.c (reloads_conflict): Reverse test comparing operand
5414 numbers when testing for conflict between output/outaddr reloads.
5416 1999-11-29 David S. Miller <davem@redhat.com>
5418 * config/sparc/sparc.c (init_cumulative_args): Fix type of third
5420 * config/sparc/sparc-protos.h: Update proto, move into RTX_CODE.
5422 1999-11-28 Robert Lipe <robertl@cygnus.com>
5424 * i386/sco5.h (FINI_SECTION_ASM_OP_COFF): Move destructor fn
5425 table from .fini into .dtor.
5427 1999-11-28 Anthony Green <green@cygnus.com>
5429 * tree.h (struct tree_decl): Add malloc_flag.
5430 (DECL_IS_MALLOC): Define.
5431 * c-common.c (attrs): Add A_MALLOC attribute.
5432 (init_attributes): Add this attribute to the table.
5433 (decl_attributes): Handle malloc attribute.
5434 * calls.c (special_function_p): Check for the malloc attribute.
5435 * extend.texi (Function Attributes): Document malloc attribute.
5437 Sun Nov 28 13:21:00 1999 Jeffrey A Law (law@cygnus.com)
5439 * pa.md (reload shift-add patterns): Remove.
5441 1999-11-28 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5443 * reorg.c (dbr_schedule) Print more statistics. Corrected
5444 problem when printing info when 3 delay slots are filled.
5446 1999-11-28 Jakub Jelinek <jakub@redhat.com>
5448 * combine.c (setup_incoming_promotions): Pass an outgoing
5449 regno to FUNCTION_ARG_REGNO_P which it expects.
5451 1999-11-28 Andreas Jaeger <aj@suse.de>
5453 * mips/linux.h (CPP_PREDEFINES): Undefine before redefining.
5455 Sun Nov 28 00:48:15 1999 Philippe De Muyter <phdm@macqel.be>
5457 * cccp.c (do_include): Avoid initialization of automatic variable.
5459 * integrate.c (mark_stores): Function definition made void, to match
5460 previous declaration.
5461 * regclass.c (dump_regclass): Ditto.
5462 * Makefile.in (WARN_CFLAGS): Macro augmented by `-Wtraditional'.
5464 Sat Nov 27 08:38:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5466 * expr.c (store_constructor): Use EXACT_DIV_EXPR when dividend is
5467 known to be multiple of divisor.
5469 * expr.c (store_constructor): Don't clobber TARGET if CLEARED.
5471 * combine.c (try_combine): Add code to try to merge a set of a
5472 two-word pseudo to a constant with a setting of one of those words
5475 * fold-const.c (negate_expr, associate_trees, extract_muldiv): New.
5476 (split_tree): Completely rework to make more general.
5477 (make_range, fold): Call negate_expr.
5478 (fold, case NEGATE_EXPR): Simplify -(a-b) is -ffast-math.
5479 (fold, associate): Call new split_tree and associate_trees.
5480 (fold, case MULT_EXPR, case *_{DIV,MOD}_EXPR): Call extract_muldiv.
5482 1999-11-26 Bernd Schmidt <bernds@cygnus.co.uk>
5484 * loop.c (try_copy_prop): Avoid GNU C extension.
5486 1999-11-25 Mark Mitchell <mark@codesourcery.com>
5488 * except.c (init_eh_for_function): Still zero eh_return_context,
5489 eh_return_stack_adjust, and eh_return_handler.
5491 * except.h (eh_status): Adjust documentation for x_protect_list.
5492 (begin_protect_partials): New function.
5493 * except.c (enqueue_eh_entry): Fix formatting.
5494 (get_first_handler): Add consistency check.
5495 (add_partial_entry): Adjust usage of protect_list.
5496 (emit_cleanup_handler): Save and restore ehqueue.
5497 (expand_start_all_catch): Add comment.
5498 (begin_protect_partials): New function.
5499 (end_protect_partials): Adjust usage of protect_list.
5500 (init_eh_for_function): Use xcalloc.
5502 1999-11-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5504 * c-common.c (check_format_info): Don't call a variadic function
5505 with a non-literal format string.
5507 * c-decl.c (grokdeclarator, start_struct, finish_struct): Likewise.
5509 * c-typeck.c (build_component_ref, build_unary_op, lvalue_or_else,
5510 pedantic_lvalue_warning, error_init, pedwarn_init, warning_init):
5513 * cccp.c (check_macro_name, do_xifdef, vwarning_with_line):
5516 * collect2.c (collect_wait): Likewise.
5518 * dbxout.c (dbxout_type): Likewise.
5520 * gcc.c (do_spec_1): Likewise.
5522 * genemit.c (gen_insn, gen_expand): Likewise.
5524 * genrecog.c (write_switch, write_subroutine): Likewise.
5526 * mips-tfile.c (catch_signal, botch): Likewise.
5528 * print-rtl.c (print_rtx): Likewise.
5530 * toplev.c (default_print_error_function, report_error_function,
5531 _fatal_insn): Likewise.
5533 1999-11-25 Mark Mitchell <mark@codesourcery.com>
5535 * tree.c (unsave_expr_now): Handle NULL_TREE as input.
5537 Wed Nov 24 17:08:09 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
5539 * reg-stack.c (subst_stack_regs_pat): Swap operands in commutative
5540 operations when needed.
5541 * i386.md (fop_?f_comm): New.
5542 (fop_?f_1): Do not accept commutative operands.
5544 1999-11-25 Andreas Jaeger <aj@suse.de>
5546 * config/mips/mips.md (casesi_internal): Add missing brace.
5548 1999-11-25 Jason Merrill <jason@casey.cygnus.com>
5550 * dwarf2out.c (pend_type, output_pending_types_for_scope): Lose.
5551 (splice_child_die): Handle moving a child DIE from the declaration
5552 DIE of a class to its specification.
5553 (gen_struct_or_union_type_die): Use 'complete' consistently.
5554 (gen_decl_die): Generate the virtual context DIE first.
5555 Use decl_ultimate_origin instead of DECL_ABSTRACT_ORIGIN.
5557 1999-11-24 Gavin Romig-Koch <gavin@cygnus.com>
5559 * config/mips/mips.md (call_value_multiple_interanal1): New.
5561 1999-11-24 Jason Merrill <jason@casey.cygnus.com>
5563 * dwarf2out.c (free_AT, free_die): New fns.
5564 (remove_children): Call them.
5565 (output_line_info): Disable removal of duplicate notes.
5567 Generate minimal debug info for types with TYPE_DECL_SUPPRESS_INFO set.
5568 * dwarf2out.c (gen_struct_or_union_type_die): TYPE_DECL_SUPPRESS_INFO
5569 means pretend the type isn't defined.
5570 Don't defer emitting types.
5571 (gen_type_die_for_member): New fn.
5572 (gen_decl_die): Call it.
5573 (splice_child_die): New fn.
5574 (gen_member_die): Call it rather than generate duplicate dies.
5576 Defer emitting information for the abstract instance of an inline
5577 until we either inline it or emit an out-of-line copy.
5578 * dwarf2out.c (decl_ultimate_origin): Ignore DECL_ABSTRACT_ORIGIN
5579 from output_inline_function if DECL_ABSTRACT is also set.
5580 (block_ultimate_origin): Likewise.
5581 (gen_abstract_function): New fn.
5582 (gen_decl_die, gen_inlined_subroutine_die): Call it.
5583 (gen_subprogram_die): An abstract instance is not a declaration
5584 just because it doesn't match current_function_decl. Don't abort
5585 because DECL_DEFER_OUTPUT isn't set. Do abort if a declaration
5586 has an abstract origin.
5587 * toplev.c (rest_of_compilation): Don't emit dwarf2 info for the
5588 abstract instance here.
5590 Wed Nov 24 18:39:18 1999 Andrew Haley <aph@cygnus.com>
5592 * config/sh/sh.h (SECONDARY_OUTPUT_RELOAD_CLASS): Add the case
5593 where we need to reload fpul from a system register.
5595 1999-11-24 Andreas Jaeger <aj@suse.de>
5597 * config/mips/linux.h (CPP_PREDEFINES): Added.
5598 (LINK_SPEC): Remove -Y since this is only needed on sparc.
5600 1999-11-24 Andreas Jaeger <aj@suse.de>
5602 * config/mips/linux.h (TARGET_VERSION): Added.
5603 (HANDLE_SYSV_PRAGMA): Added.
5604 (DEFAULT_VTABLE_THUNKS): Added.
5606 Wed Nov 24 14:12:15 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
5608 * local-alloc.c (qty): New structure and static variable.
5609 (qty_phys_reg): Remove, all references changed to qty.
5610 (qty_n_refs): Likewise.
5611 (qty_min_class): Likewise.
5612 (qty_birth): Likewise.
5613 (qty_death): Likewise.
5614 (qty_size): Likewise.
5615 (qty_mode): Likewise.
5616 (qty_n_calls_crossed): Likewise.
5617 (qty_alternate_class): Likewise.
5618 (qty_changes_size): Likewise.
5619 (qty_first_reg): Likewise.
5620 (alloc_qty): Rename variable QTY to QTYNO.
5621 (finf_free_reg): Likewise.
5622 (local_alloc): Allocate qty, do not allocate the removed variables.
5624 Wed Nov 24 17:26:05 1999 Geoffrey Keating <geoffk@cygnus.com>
5626 * config/mips/mips.h (ASM_SPEC): Don't pass -G to the assembler
5627 when -membedded-pic is passed.
5629 * config/mips/mips.md (casesi): Handle 64-bit case too.
5630 (casesi_internal_di): New insn.
5632 * config/mips/mips.c (embedded_pic_offset): Always make the
5633 embedded-pic subtractions relative to the name of the current
5634 function by use of the magic string "..CURRENT_FUNCTION".
5635 * config/mips/mips.h (ASM_OUTPUT_LABELREF): Make the magic happen.
5637 1999-11-24 Geoffrey Keating <geoffk@cygnus.com>
5639 * config/mips/mips.md (div_trap_normal): Don't ask for the REGNO
5640 of (const_int 0), when what we really care about is
5641 whether it's a zero constant anyway.
5642 (div_trap_mips16): Likewise.
5644 1999-11-23 Mark Mitchell <mark@codesourcery.com>
5646 * loop.c (loop_optimize): Always find_loop_tree_blocks and
5647 unroll_block_trees when generating debuggable code.
5649 * tree.h (unsave_expr_1): New function.
5650 (lang_unsave): New variable.
5651 (get_callee_fndecl): New function.
5652 * tree.c (unsave_expr_now_r): New function.
5653 (lang_unsave): Define.
5654 (unsave_expr_1): Likewise.
5655 (unsave_expr_now_r): Split out from unsave_expr_now.
5656 (unsave_expr_now): Call lang_unsave if it is non-NULL. Otherwise,
5657 call unsave_expr_now_r.
5658 (get_callee_fndecl): Define.
5660 * Makefile.in (gencheck): Don't depend on lang_tree_files.
5661 (gencheck.o): Do depend on lang_tree_files.
5663 * integrate.h (copy_decl_for_inlining): New declaration.
5664 * integrate.c (copy_and_set_decl_abstract_origin): Remove.
5665 (copy_decl_for_inlining): New function.
5666 (integrate_parm_decls): Use it.
5667 (integrate_decl_tree): Likewise.
5669 1999-11-23 Gavin Romig-Koch <gavin@cygnus.com>
5671 * config/mips/mips.h (ISA_HAS_FP4,ISA_HAS_CONDMOVE,ISA_HAS_8CC): Split
5672 the second two from the first.
5673 (CONDITIONAL_REGISTER_USAGE): Use ISA_HAS_8CC rather than ISA_HAS_FP4.
5674 * config/mips/mips.md (movcc,reload_incc,reload_outcc,
5675 conditional move): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
5677 * config/mips/mips.c (mips_move_1word,gen_conditional_branch,
5678 override_options): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
5681 Tue Nov 23 11:15:04 1999 Jeffrey A Law (law@cygnus.com)
5683 * pa.md (call_internal_symref, call_value_internal_symref): No mode
5684 needed on the address operand.
5685 * pa.c (call_operand_address): Check for the correct mode.
5687 1999-11-23 Bernd Schmidt <bernds@cygnus.co.uk>
5689 * loop.c: Include "basic-block.h".
5690 (try_copy_prop, replace_loop_reg): New functions.
5691 (load_mems): Detect registers that just hold copies of the hoisted
5692 mem, and call try_copy_prop to eliminate them.
5693 * Makefile.in (loop.o): Update dependencies.
5695 Tue Nov 23 01:03:29 1999 Hans-Peter Nilsson <hp@axis.com>
5697 * Makefile.in (gencheck.o): Depend on gencheck.h.
5698 (insn-emit.o): Depend on flags.h, hard-reg-set.h and resource.h.
5699 (insn-peep.o): Depend on except.h and function.h.
5700 (insn-attrtab.o): Depend on RECOG_H.
5701 (insn-output.o): Depend on toplev.h and flags.h.
5702 (gengenrtl.o): Depend on real.h.
5703 (gen-protos.o): Depend on cpplib.h and cpphash.h.
5704 Unify all dependencies to be on RECOG_H rather than recog.h.
5706 Tue Nov 23 00:57:10 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5708 From Casper H.S. Dik on comp.unix.solaris, 23 Oct 1998:
5709 * configure.in: Try building a bi-arch 32/64-bit compiler on
5710 sparc-*-solaris2.7 and higher.
5711 * configure: Rebuild.
5713 Mon Nov 22 23:09:44 1999 David O'Brien <obrien@FreeBSD.org>
5715 * config/freebsd.h: New, FreeBSD architecture independent file.
5716 * config/i386/freebsd-elf.h: removed FreeBSD architecturally
5718 * config/i386/freebsd.h: include i386/perform.h via tm.h rather than
5719 directly by i386/freebsd.h.
5720 * configure.in (*-*-freebsdelf): Include new FreeBSD architecturally
5721 independent configuration file.
5722 (*-*-freebsdelf): Include i386/perform.h via tm.h rather than
5723 directly by i386/freebsd.h.
5724 * configure: Rebuilt.
5726 * xm-i386.h: Define `__i386__' if not defined, rather than `i386'
5727 which is in the user's namespace.
5728 * libgcc2.c: Look for the ANSI-C approved `__i386__' symbol, vs.
5729 `i386' which is not in our namespace.
5731 Mon Nov 22 22:58:01 1999 "R. Kelley Cook" <KelleyCook@attglobal.net>
5733 * invoke.texi (ARM Options): Add in -mno-alignment-traps
5735 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
5737 * dwarf2out.c (die_struct): Remove die_attr_last and die_child_last.
5738 (add_dwarf_attr, add_child_die): Just push onto the front.
5739 (reverse_die_lists): New fn.
5740 (add_sibling_attributes): Use it.
5741 (push_decl_scope): Reorganize.
5742 (add_name_and_src_coords_attributes): Don't set file and line for
5744 (gen_subprogram_die): An artificial function doesn't need to match
5746 (gen_compile_unit_die): Return the generated die. Only add
5747 AT_comp_dir if the filename is relative.
5748 (remove_AT): Simplify loop. Also free string values.
5749 (output_die): A DIE ref can't be null.
5750 (output_value_format, value_format): Take a dw_attr_ref.
5751 (dwarf_last_decl, is_extern_subr_die, sibling_offset): Remove.
5752 (AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
5753 AT_addr, AT_lbl): New fns.
5754 (various): Use them.
5755 (various): Constify.
5757 Mon Nov 22 23:53:50 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
5759 * combine.c (combine_simplify_rtx): When handling a SUBREG,
5760 take SUBREG_WORD into account.
5761 (if_then_else_cond): Likewise.
5763 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
5765 * gmon.c, i386/gmon-sol2.c, sparc/gmon-sol2.c: Remove advertising
5766 clause from BSD license, pursuant with
5768 ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change
5770 1999-11-22 Bernd Schmidt <bernds@cygnus.co.uk>
5772 * loop.c (load_mems): Reformat slightly.
5773 * basic-block.h (regset_head): New typedef.
5774 (INIT_REG_SET): New macro.
5776 1999-11-22 Bruce Korb <autogen@linuxbox.com
5778 * fixinc/mkfisinc.sh(i?86-*-linux): disable script, run fixincl exe
5779 (mips-dec-bsd*): non-functional code
5780 (alpha*-*-linux-gnu*): redundant, duplicated by "*-*-linux-gnu*"
5782 * fixinc/inclhack.def(AAB_fd_zero_glibc_*):
5783 added three replacement fixes
5784 (no_double_slash): removed comments that are not (any longer) pertinent
5785 (bad_lval): this fix currently runs against many files.
5786 The comment seems to indicate that we should select for files
5787 containing 'pragma extern_prefix'.
5789 * fixinc/fixinc.x86-linux-gnu: deleted
5790 * fixinc/inclhack.sh: regen
5791 * fixinc/fixincl.x: regen
5792 * fixinc/fixincl.sh: regen
5794 Fri Nov 12 14:08:40 1999 Andrew Haley <aph@cygnus.com>
5796 * emit-rtl.c (gen_sequence): Only return the pattern of an insn if
5797 its code is INSN and it has no notes.
5799 1999-11-22 Andrew Haley <aph@cygnus.com>
5801 * varasm.c (function_defined): Remove.
5802 (make_function_rtl): Don't set function_defined.
5803 (make_decl_rtl): Remove global register warning.
5804 * regclass.c (no_global_reg_vars): New variable.
5805 (globalize_reg): Warn if function has already been defined.
5806 (regclass_init): Set no_global_reg_vars.
5808 Mon Nov 22 14:42:22 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
5810 * regclass.c (reg_pref): New structure and static variable
5811 (prefclass): Delete.
5813 (all uses of prefclass and altclass): Use reg_pref instead.
5815 1999-11-21 Nick Clifton <nickc@cygnus.com>
5817 * invoke.texi (ARM Options): Replace -mshort-load-bytes with
5819 (arm.h): Replace -mshort-load-bytes with -malignment-traps.
5820 (arm.c): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
5821 (arm.md): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
5823 Sun Nov 21 17:11:13 1999 Geoffrey Keating <geoffk@cygnus.com>
5825 * varasm.c (output_constructor): Solve problem with long long
5826 bitfields, even on BYTES_BIG_ENDIAN machines (testcase 991118-1).
5828 Fri Nov 19 05:48:45 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
5830 * global.c (allocno): New structure and static variable.
5831 (allocno_reg): Remove, all references replaced by allocno.
5832 (allocno_size): Likewise.
5833 (hard_reg_conflicts): Likewise.
5834 (hard_reg_preferences): Likewise.
5835 (hard_reg_copy_preferences): Likewise.
5836 (hard_reg_full_preferences): Likewise.
5837 (regs_someone_prefers): Likewise.
5838 (allocno_calls_crossed): Likewise.
5839 (allocno_n_refs): Likewise.
5840 (allocno_live_length): Likewise.
5841 (find_reg): Rename ALLOCNO to NUM.
5843 * regclass.c (may_move_in_cost): Rename from may_move_cost, all
5845 (may_move_out_cost): New variable.
5846 (init_reg_sets_1): Initialize may_move_out_cost.
5847 (record_reg_classes): Use may_move_out_cost.
5849 * regclass.c (dump_regclass): New function.
5850 (regclass): New parameter DUMP, call DUMP_REGCLASS.
5851 * toplev.c (rest_of_compilation): Open lreg dump file before regclass,
5852 pass rtl_dump_file to regclass.
5853 * rtl.h (regclass): Update prototype.
5855 Fri Nov 19 06:32:19 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
5857 * i386.md (neg, not and abs patterns): Revmap to use
5858 ix86_expand_unary_operator and ix86_unary_operator_ok.
5859 (add?f and sub?f expanders): Force operand 1 to register.
5860 * i386.c (ix86_expand_unary_operator): Rewrite.
5861 (ix86_unary_operator_ok): Ensure that memory operands
5863 (ix86_binary_operator_ok): Do not allow operand 1 to
5864 come into memory and operand 0 not.
5865 (ix86_expand_binary_operator): Ensure that
5866 src1 is not non-matching memory.
5868 * i386.md (negs?2): Rewrite to expanders, new patterns and splitters
5869 to support integer registers and memory.
5870 (abss?2_integer): Likewise.
5872 * i386.h (enum reg_class): Add FLOAT_INT_REGS.
5873 (REG_CLASS_NAMES): Likewise.
5874 (REG_CLASS_CONTENTS): Define FLOAT_INT_REGS as union of FLOAT_REGS
5876 * i386.md (pushsf): Do not preferre FLOAT_REGS over GENERAL_REGS.
5877 (movsf): Likewise; unify 4th and 5th alternative.
5879 (movdf_1): Likewise; rename to movdf_integer.
5880 (pushxf): Likewise; rename to pushxf_integer; fix output template;
5881 remove redundant splitter.
5882 (movxf_1): Likewise; rename to movxf_integer; fix splitter's condition.
5883 (movdf_nointeger): New.
5884 (movxf_nointeger): New.
5885 (pushxf_nointeger): New.
5887 * i386.md (extend?f?f): Split to expander and pattern, refuse two
5888 memory operands in patterns.
5889 (fop*): Refuse two memory operands.
5891 * i386.md (ashrsi3_31): Allow cltd when optimizing for size even
5892 on !TARGET_USE_CLTD CPUs.
5894 Fri Nov 19 10:41:15 GMT 1999 Nathan Sidwell <nathan@acm.org>
5896 * extend.texi: Document C++ restricted pointers and references.
5898 1999-11-19 Bernd Schmidt <bernds@cygnus.co.uk>
5900 * cse.c (addr_affects_sp): No longer conditional on AUTO_INC_DEC.
5901 (invalidate_skipped_set): Call it unconditionally.
5902 (cse_set_around_loop): Likewise.
5904 Thu Nov 18 17:29:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
5906 * rtl.texi (mem): Add documentation for alias-set argument
5909 Fri Nov 18 13:39:22 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
5911 * i386.h (struct_processor_costs): New fields int_load, int_store,
5912 fp_move, fp_load and fp_store
5913 (REGISTER_MOVE_COST): Fix comment, calculate exactly the cost of
5915 (MEMORY_MOVE_COST): New macro.
5916 * i386.c (386_cost): Define new fields.
5917 (i486_cost): Likewise.
5918 (pentium_cost): Likewise.
5919 (pentiumpro_cost): Likewise.
5920 (k6_cost): Likewise.
5922 Fri Nov 19 11:11:55 1999 Greg McGary <gkm@gnu.org>
5923 Geoffrey Keating <geoffk@cygnus.com>
5925 * config/m68k/m68kelf.h: Suppress '/* within comment' warning.
5927 * config/m68k/m68k.h (MASK_PCREL): Don't use same value as
5930 * config/m68k/m68k.h (MASK_NO_STRICT_ALIGNMENT): New macro.
5931 (TARGET_STRICT_ALIGNMENT): New macro.
5932 (TARGET_SWITCHES): Add "strict-align" and "no-strict-align".
5933 (STRICT_ALIGNMENT): Depend on TARGET_STRICT_ALIGNMENT.
5934 * invoke.texi (M680x0 Options): Document -mstrict-align.
5936 Thu Nov 18 11:10:03 1999 Jan Hubicka <hubicka@freesoft.cz>
5937 Richard Henderson <rth@cygnus.com>
5939 * i386-protos.h (split_xf, ix86_split_movdi): Remove.
5940 (ix86_split_long_move): Declare.
5941 * i386.c (split_xf, ix86_split_movdi): Remove.
5942 (ix86_split_to_parts, ix86_split_long_move): New.
5943 * i386.md (dimode move splitters): Use ix86_split_long_move.
5944 (dfmode move splitters): Likewise.
5945 (xfmode move splitters): Likewise.
5946 (movsf_1): Allow F->r.
5947 (movdf_1, movxf_1): Allow F->ro.
5949 1999-11-17 Mark Mitchell <mark@codesourcery.com>
5951 * except.h (struct eh_entry): Add goto_entry_p.
5952 (eh_region_from_symbol): Remove prototype.
5953 * except.c (find_func_region_from_symbol): New function.
5954 (emit_cleanup_handler): Likewise.
5955 (eh_region_from_symbol): Make it static.
5956 (add_new_handler): Verify the argument.
5957 (find_func_region): Update comment.
5958 (expand_eh_region_end): Expand handlers here, rater than waiting
5959 until expand_leftover_cleanups or start_all_catch.
5960 (expand_leftover_cleanups): Don't expand here.
5961 (expand_start_all_catch): Or here.
5962 (expand_rethrow): Check the return value from find_func_region.
5963 * function.c (expand_function_end): Emit the catch_clauses.
5965 1999-11-18 Gavin Romig-Koch <gavin@cygnus.com>
5967 * integrate.c (expand_inline_function): Add necessary check for NULL.
5969 1999-11-18 Nick Clifton <nickc@cygnus.com>
5971 * toplev.c (main): Correctly detect an unrecognised option.
5973 * cppinit.c (cpp_handle_option): Do not claim to have consumed
5974 a -f option if it has not been recognised.
5976 Thu Nov 18 00:59:11 1999 Michael Gschwind <mikeg@alagoas.watson.ibm.com>
5978 * basic-block.h (update_life_extent): Remove trailing comma on
5979 enumeration type list.
5981 1999-11-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5983 * varasm.c (output_constructor) Solved problem with long long
5984 bitfields. Corrected calculating this_time and shift. Also
5985 corrected calculating mask when BITS_PER_UNIT == 32 (c4x).
5987 Wed Nov 17 23:46:14 1999 Jeffrey A Law (law@cygnus.com)
5989 * flow.c (split_edge): Take looping structure into account when
5990 determining where to put the new block note.
5992 Wed Nov 17 20:42:43 1999 Jeff Holcomb <jeffh@cygnus.com>
5994 * Makefile.in (ggc-none.o): Provide host specific version if
5997 Wed Nov 17 16:51:23 1999 Richard Henderson <rth@cygnus.com>
5999 * cse.c (delete_trivially_dead_insns): Identify no-op insns
6000 containing subregs too.
6002 Wed Nov 17 17:39:48 MST 1999 Diego Novillo <dnovillo@cygnus.com>
6004 * invoke.texi: Add documentation for -muninit-const-in-rodata.
6005 * config/mips/mips.h (MASK_UNINIT_CONST_IN_RODATA): Define.
6006 (TARGET_UNINIT_CONST_IN_RODATA): Define.
6007 (text_section): Add switches -munint-const-in-rodata and
6008 -mno-uninit-const-in-rodata.
6009 (ASM_OUTPUT_COMMON): Remove.
6010 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Define. Check if uninitialized
6011 const objects should be placed in read-only data. Otherwise declare
6014 Wed Nov 17 16:38:32 1999 Richard Henderson <rth@cygnus.com>
6016 * jump.c (jump_optimize_1): Revert last change.
6018 Wed Nov 17 15:18:30 1999 Richard Henderson <rth@cygnus.com>
6020 * jump.c (jump_optimize_1): Don't try to duplicate the loop exit
6021 test if optimizing for size.
6023 1999-11-17 Mark Mitchell <mark@codesourcery.com>
6025 * Makefile.in (toplev.o): Depend on except.h.
6026 (dwarf2out.o,loop.o,flow.o,haifa-sched.o): Likewise.
6028 Mon Nov 15 22:45:39 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
6030 * i386.md (divmodsi4): Rewrite to expander.
6031 (*divmodsi4_nocltd): New.
6032 (*divmodsi4_cltd): New.
6033 (divmodsi4 splitter): Handle the case when input comes in edx.
6034 (udivmodhi4): Do not use constraints in exander.
6035 (ashrsi3_31): Conditionize by TARGET_USE_CLTD.
6037 1999-11-17 Jason Merrill <jason@yorick.cygnus.com>
6039 * dwarf2out.c (push_decl_scope): Still use decl_scope_depth - 1
6040 for the common case.
6042 1999-11-16 Jakub Jelinek <jakub@redhat.com>
6044 * explow.c (hard_function_value): Add outgoing argument.
6045 * expr.h (hard_function_value): Declare it.
6046 * calls.c (expand_call, emit_library_call_value): Update callers.
6047 * function.c (aggregate_value_p): Ditto.
6048 (diddle_return_value): Must look at the outgoing registers
6049 on archs with register windows.
6051 Mon Nov 15 20:46:45 1999 Richard Henderson <rth@cygnus.com>
6053 * alpha.c (alpha_build_va_list): Use make_lang_type and
6054 initialize TYPE_NAME for the va_list record.
6056 * flow.c (calculate_global_regs_live): Zero bb->aux to begin.
6058 * ggc-common.c (ggc_print_statistics): Cast size_t to unsigned long
6060 * ggc.h (struct ggc_statistics): Rearrange elements for better
6061 packing on 64-bit hosts.
6062 * lcm.c (compute_laterin): Store a size_t not an int in bb->aux.
6063 (compute_nearerout): Likewise.
6065 Tue Nov 16 14:37:52 1999 Geoffrey Keating <geoffk@cygnus.com>
6067 * config/rs6000/rs6000.c (first_reg_to_save): Save
6068 PIC_OFFSET_TABLE_REGNUM when -fpic even though it is fixed.
6070 1999-11-15 Jason Merrill <jason@casey.cygnus.com>
6072 * dwarf2out.c (scope_die_for): Don't rely on the decl_scope_table
6073 notion of nesting to find the DIE for a type or function.
6074 DIEs can go in limbo even if we got a context_die.
6075 (push_decl_scope): Our context doesn't need to be in decl_scope_table.
6076 (gen_struct_or_union_type_die): Don't use TREE_PERMANENT to test
6078 (gen_decl_die): Ignore NAMESPACE_DECLs for now.
6079 (gen_type_die): Writing out the context doesn't cause member class
6080 template instantiations to be written out as well.
6082 Mon Nov 15 15:33:18 1999 Richard Henderson <rth@cygnus.com>
6084 * rs6000.h (ASM_OUTPUT_DEF): New.
6085 Based on proposed addition from David Edelsohn.
6087 1999-11-15 Robert Lipe <RobertLipe@usa.net>
6088 Bruce Korb <autogen@linuxbox.com>
6090 * fixinc/inclhack.def
6091 (AAB_svr4_replace_byteorder): added. Takes advantage of GCC features
6092 (unixware7_byteorder_fix): added. Removes conflicts for new defs
6094 (svr5_mach_defines): added. Like svr4_mach_defines, with new syntax
6095 (svr4_endian): enabled with SVR5
6096 (svr4_mkdev): simplified syntax and enabled with SVR5
6098 Sun Nov 14 18:49:37 1999 David O'Brien <obrien@FreeBSD.org>
6100 * configure.in: Handle libgcc2 threads support on FreeBSD platforms.
6101 * configure: Rebuilt.
6102 * config/t-freebsd-thread: New file.
6104 Sun Nov 14 23:11:05 1999 Jeffrey A Law (law@cygnus.com)
6106 * i386.c (ix86_decompose_address): Verify the base is a REG
6107 before trying to examine its register number.
6109 * basic-block.h: Remove all #defines and prototypes related to
6111 (free_bb_mem, compute_preds_succs): Remove prototype.
6112 * rtl.h (free_bb_mem): Remove prototype.
6113 * flow.c (alloc_int_list_node); Remove function.
6114 (add_inst_list_node, free_int_list, add_pred_succ): Likewise.
6115 (compute_preds_succs, free_bb_mem): Likewise.
6116 * gcse.c (gcse_main): Do not call free_bb_mem anymore.
6117 * toplev.c (rest_of_compilation): Likewise.
6118 * haifa-sched.c (build_control_flow): Use flow generated edge
6119 list to build the haifa specific edge list.
6120 (find_rgns): Use new CFG data structures instead of pred/succ lists.
6121 (schedule_insns): Do not build pred/succ lists anymore. Instead
6122 build the edge table.
6124 * basic-block.h (dump_bb_data): Remove declaration.
6125 * flow.c (dump_bb_data): Remove function.
6126 * sbitmap.c (sbitmap_intersect_of_predsucc): Delete function.
6127 (sbitmap_union_of_predsucc): Likewise.
6129 * gcse.c (delete_null_pointer_checks_1): Kill unused s_preds
6130 argument. All callers changed.
6131 (delete_null_pointer_checks_1): No longer need to compute the
6134 * gcse.c (pre_expr_reaches_here_p): Kill CHECK_PRE_COM argument.
6135 All callers changed.
6136 (pre_expr_reaches_here_p_work): Likewise.
6137 (pre_edge_insert): No longer call pre_expr_reaches_here_p.
6138 * lcm.c (compute_laterin): Fix initialization of LATER.
6139 (compute_nearerout): Similarly for NEARER.
6141 Sun Nov 14 12:41:57 1999 Bernd Schmidt <bernds@cygnus.co.uk>
6143 * cse.c (set_nonvarying_address_components): Delete unused function.
6144 (refers_to_p): Likewise.
6146 Fri Nov 12 20:53:22 1999 Jeffrey A Law (law@cygnus.com)
6148 * function.c (diddle_return_value): Set REG_FUNCTION_VALUE_P as
6151 Sat Nov 13 16:20:09 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6153 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Wrap macro
6154 definition in do while (0).
6156 Fri Nov 12 16:26:25 1999 Jim Wilson <wilson@cygnus.com>
6158 * stmt.c (pushcase, pushcase_range): Partially revert Oct 28 change.
6160 Fri Nov 12 12:43:49 1999 Richard Henderson <rth@cygnus.com>
6162 * unroll.c (unroll_loop): Make temp an unsigned HOST_WIDE_INT.
6164 Fri Nov 12 15:14:19 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
6166 * i960.h (CAN_DEBUG_WITHOUT_FP): Don't define it.
6167 (FRAME_POINTER_REQUIRED): Don't worry about nonlocal goto.
6168 (ELIMINABLE_REGS, CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): New.
6169 (INITIAL_FRAME_POINTER_OFFSET): Remove it.
6171 * i960.c (i960_function_prologue): Don't allocate space for g8-g11
6172 saved on the stack. Output more accurate stack frame statistics
6173 into assembler file.
6175 1999-11-12 11:47 -0800 Zack Weinberg <zack@bitmover.com>
6177 * genextract.c (record_insn_name): New function.
6178 (get_insn_name): No longer a stub.
6179 (main): Call record_insn_name for each insn. After each label
6180 written, print the insn name in a comment.
6182 Fri Nov 12 13:45:02 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6184 * output.h (const_section, init_section, fini_section): Add
6187 * alpha/elf.h (const_section): Delete declaration.
6189 * svr4.h (const_section): Likewise.
6191 Fri Nov 12 08:54:22 1999 Mark Mitchell <mark@codesourcery.com>
6193 * tree.h (SAVE_EXPR_PERSISTENT_P): New macro.
6194 * tree.c (array_type_nelts): Don't handle SAVE_EXPRs specially.
6195 (unsave_expr_now): Don't unsave SAVE_EXPR_PERSISTENT_P
6197 * stor-layout.c (variable_size): Set SAVE_EXPR_PERSISTENT_P on
6198 variable-sized array bounds.
6200 Fri Nov 12 08:04:45 1999 Catherine Moore <clm@cygnus.com>
6202 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Use
6205 Fri Nov 12 13:31:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
6207 * config/arm/arm.h (LEGITIMIZE_RELOAD_ADDRESS): Treat QImode
6208 addresses the same way GO_IF_LEGITIMATE_INDEX does.
6210 Fri Nov 12 12:36:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
6212 * cse.c (hash_arg_in_struct): Delete.
6213 (struct table_elt): Delete elt in_struct.
6214 (struct set): Delete elt src_in_struct.
6215 (merge_equiv_classes): Don't set either hash_arg_in_struct or
6216 the corresponding in_struct elts.
6217 (canon_hash): Likewise.
6218 (safe_hash): Likewise.
6219 (find_best_addr): Likewise.
6220 (record_jump_cond): Likewise.
6221 (cse_insn): Likewise.
6223 Thu Nov 11 19:45:24 1999 Jim Wilson <wilson@cygnus.com>
6225 * loop.c (invariant_p, case MEM): Put MEM_VOLATILE_P check back.
6227 * dbxout.c (dbxout_type, case INTEGER_TYPE): Handle too large
6230 Thu Nov 11 18:54:24 1999 Jeffrey A Law (law@cygnus.com)
6232 * function.c (diddle_return_value): Put back check that the DECL_RTL
6233 for the function is a register.
6235 * function.c (diddle_return_value): Use hard_function_value to
6236 get an rtx suitable for use in the USE/CLOBBER insn.
6238 * global.c (global_conflicts): Update comments.
6239 (record_conflicts): No need to record conflicts between pseudos here.
6241 1999-11-11 Bruce Korb <autogen@linuxbox.com>
6243 * fixinc/fixincl.c: Added verbose levels for status messages
6245 Thu Nov 11 13:23:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
6247 * jump.c (jump_optimize_1): Avoid passing an rtx that is not an
6248 operand as argument to expand_and or expand_binop.
6250 Thu Nov 11 02:21:16 1999 Rodney Brown <RodneyBrown@pmsc.com>
6252 * xcoffout.c (xcoffout_source_file): Change ggc_add_root to
6253 gcc_add_string_root.
6255 Wed Nov 10 21:24:19 1999 Jason Eckhardt <jle@cygnus.com>
6257 * config/pa/pa.h (MASK_RETURN_ADDR): Change 0xfffffffc to -4.
6259 Wed Nov 10 15:56:16 1999 Jeffrey A Law (law@cygnus.com)
6261 * flow.c (compute_flow_dominators): Initially put all blocks on
6263 * lcm.c (compute_antinout_edge, compute_available): Similarly.
6264 * gcse.c (compute_cprop_avinout): Remove.
6265 (compute_cprop_data): Use compute_available.
6266 (delete_null_pointer_checks_1): Use compute_available.
6268 * basic-block.h (compute_available): Returns a void now.
6269 * gcse.c (one_classic_gcse_pass): Do not expect compute_available
6270 to return a value anymore.
6271 * lcm.c (compute_available, compute_antinout_edge): Revamp to use
6272 worklists. Fix boundary cases. Compute maximal solutions.
6273 (compute_laterin, compute_nearerout): Similarly.
6275 * dwarf2out.c (add_AT_location_description): Allow
6276 (mem (plus (pseudo) (...)) too.
6278 Wed Nov 10 10:52:42 1999 Tom Tromey <tromey@cygnus.com>
6280 * gcc.c (do_spec_1): Support text between `%u' and `%O'.
6282 Wed Nov 10 12:43:21 1999 Philippe De Muyter <phdm@macqel.be>
6283 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6285 * cppinit.c: Test `GCC_VERSION', not `HAVE_GCC_VERSION'.
6287 * gansidecl.h: Likewise.
6293 * toplev.h: Likewise.
6299 * varray.c: Likewise.
6301 * varray.h: Likewise.
6303 Wed Nov 10 10:57:22 1999 Clinton Popetz <cpopetz@cygnus.com>
6305 * gcov.c (struct arcdata): Add hits and total, remove prob.
6306 (output_branch_counts): New.
6307 (process_args): Set output_branch_counts if -c.
6308 (calculate_branch_probs): Store hits and total instead of
6310 (output_data): Emit counts if output_branch_counts is true.
6311 * gcov.texi (Invoking Gcov): Document -c switch..
6313 Wed Nov 10 01:10:41 1999 Philippe De Muyter <phdm@macqel.be>
6315 * genoutput.c (output_insn_data): Cast `INSN_OUTPUT_FORMAT_MULTI' and
6316 `INSN_OUTPUT_FORMAT_FUNCTION' to `PTR'-type.
6318 Wed Nov 10 00:51:41 1999 Hans-Peter Nilsson <hp@axis.se>
6320 * invoke.texi (C Dialect Options): Add missing builtins from
6322 * extend.texi (Other Builtins): Copy to this list.
6324 Wed Nov 10 04:58:09 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6326 * Makefile.in (recog.o): Use BASIC_BLOCK_H macro.
6327 (print-rtl.o, $(HOST_PREFIX_1)print-rtl.o): Likewise. Remove
6330 Wed Nov 10 00:02:53 1999 Jeffrey A Law (law@cygnus.com)
6332 * flow.c (compute_flow_dominators): No longer treat basic block 0
6333 or (n_basic_blocks - 1) specially. Clear the AUX field before
6334 starting computation of doms/pdoms. Fix initial state for pdoms.
6336 Wed Nov 10 03:58:08 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6338 * Makefile.in ($(HOST_PREFIX_1)rtl.o): Update dependencies to
6339 match rtl.o's: added ggc.h and toplev.h
6340 ($(HOST_PREFIX_1)print-rtl.o): Likewise: added system.h.
6341 ($(HOST_PREFIX_1)rtlanal.o): Likewise: added system.h.
6342 ($(HOST_PREFIX_1)obstack.o): Likewise: added $(CONFIG_H).
6344 Tue Nov 9 10:30:08 1999 Tom Tromey <tromey@cygnus.com>
6346 * config/i386/xm-djgpp.h (HAVE_DOS_BASED_FILE_SYSTEM): Renamed
6347 from HAVE_DOS_BASED_FILESYSTEM.
6348 * gcc.c (find_a_file): Use HAVE_DOS_BASED_FILE_SYSTEM, not
6349 HAVE_DOS_BASED_FILESYSTEM.
6351 (split_directories): Only special-case DOS file names if
6352 HAVE_DOS_BASED_FILE_SYSTEM is defined. Use IS_DIR_SEPARATOR
6353 instead of explicit tests. Conditionalize on !VMS.
6354 (make_relative_prefix): Use IS_DIR_SEPARATOR instead of explicit
6355 tests. Conditionalize on !VMS.
6356 (process_command): Only use make_relative_prefix if !VMS.
6357 (free_split_directories): Conditionalize on !VMS.
6358 (DIR_UP): Conditionalize on !VMS.
6360 Wed Jun 9 16:57:11 1999 Mumit Khan <khan@xraylith.wisc.edu>
6362 * gcc.c (STANDARD_BINDIR_PREFIX): Provide default.
6364 Fri Feb 5 14:22:01 1999 Mumit Khan <khan@xraylith.wisc.edu>
6366 * gcc.c (make_relative_prefix): Handle the HAVE_EXECUTABLE_SUFFIX
6369 Mon Nov 8 14:16:57 1999 Michael Meissner <meissner@cygnus.com>
6371 * invoke.texi (Environment Variables): Document relative path
6373 * gcc.c (DIR_UP): If not defined, define as "..".
6374 (standard_bindir_prefix): New static, holds target location to
6376 (split_directories): New function to split a filename into
6377 component directories.
6378 (free_split_directories): New function, release memory allocated
6379 by split_directories.
6380 (make_relative_prefix): New function, make a relative pathname if
6381 the compiler is not in the expected location.
6382 (process_command): If GCC_EXEC_PREFIX was not specified, see if we
6383 can figure out an appropriate prefix from argv[0].
6384 * Makefile.in (DRIVER_DEFINES): Use unlibsubdir in definition of
6385 STANDARD_STARTFILE_PREFIX and TOOLDIR_BASE_PREFIX. Define
6386 STANDARD_BINDIR_PREFIX.
6388 Wed Nov 10 11:47:54 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6390 * config/c4x/c4x-protos.h: New file. Prototypes for functions defined
6392 * config/c4x/c4x.h: Moved prototypes to c4x.h.
6393 * config/c4x/c4x.c (c4x_preferred_reload_class, c4x_limit_reload_class,
6394 c4x_secondary_memory_needed) Delete.
6395 (fp_zero_operand): Add mode argument.
6397 Thu Nov 4 15:52:35 1999 Andrew Haley <aph@cygnus.com>
6399 * reload1.c (reload_reg_free_for_value_p): Don't use a register
6400 that is in reload_reg_used.
6402 Tue Nov 9 16:43:00 1999 Nick Clifton <nickc@cygnus.com>
6404 * config/arm/arm-protos.h: New file: Prototypes for functions
6405 defined in arm.c and pe.c.
6406 * config/arm/arm.h: Fix compile time warnings.
6407 * config/arm/arm.c: Fix compile time warnings.
6408 * config/arm/pe.h: Fix compile time warnings.
6409 * config/arm/aout.h: Fix compile time warnings.
6411 Tue Nov 9 14:55:44 1999 Nick Clifton <nickc@cygnus.com>
6413 * config/m32r/m32r-protos.h: New file: Prototypes for functions
6416 * config/m32r/m32r.h: Move prototypes to m32r-protos.h
6417 Add support for subtargets.
6418 Add prototypes for new predicates.
6419 Add scheduling macros.
6421 * config/m32r/m32r.c: Fix compile time warnings.
6422 (int8_operand): New predicate function.
6423 (reg_or_cmp_int16_operand): New predicate function.
6424 (extend_operand): New predicate function.
6425 (m32r_adjust_code): New scheduling function.
6426 (m32r_adjust_priorty): New scheduling function.
6427 (m32r_sched_init): New scheduling function.
6428 (m32r_sched_reorder): New scheduling function.
6429 (m32r_sched_variable_issue): New scheduling function.
6430 (direct_return): New codegen function.
6431 (m32r_not_same_reg): New rtl testsing function.
6433 * config/m32r/m32r.md: Fix compile time warnings.
6434 Add support for pre decrement and post increment memory
6439 Mon Nov 8 22:20:13 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
6441 * global.c (EXECUTE_IF_CONFLICT): Don't define.
6442 (prune_preferences): Use EXECUTE_IF_SET_IN_ALLOCNO_SET instead.
6443 (find_reg): Likewise.
6445 Mon Nov 8 13:16:46 1999 Jason Eckhardt <jle@cygnus.com>
6447 * config/pa/pa.md (fmpynfadd,{sgl,dbl} insns): Use %fr0 rather than 0
6448 to avoid assembler errors.
6450 Mon Nov 8 15:38:41 1999 Nick Clifton <nickc@cygnus.com>
6452 * config/v850/v850-protos.h: New file: Prototypes for functions
6454 * config/v850/v850.h: Move prototypes to v850-protos.h
6455 * config/v850/v850.c: Move prototypes to v850-protos.h
6456 * config/v850/v850.md: Fix compile time warnings.
6458 * config/fr30/fr30-protos.h: New file: Prototypes for functions
6460 * config/fr30/fr30.h: Move prototypes to fr30-protos.h
6461 * config/fr30/fr30.c: Fix compile time warnings.
6462 * config/fr30/fr30.md: Fix compile time warnings.
6464 Mon Nov 8 07:25:37 1999 Mark Mitchell <mark@codesourcery.com>
6466 * tree.h (get_containing_scope): Declare it.
6467 * tree.c (get_containing_scope): New fucntion.
6468 (decl_function_context): Use it.
6469 * toplev.c (rest_of_compilation): Use get_containing_scope.
6471 aMon Nov 8 03:03:07 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6473 * Makefile.in (rtl.o): Depend on toplev.h.
6475 Sun Nov 7 20:55:14 1999 Mark Mitchell <mark@codesourcery.com>
6477 * cse.c (delete_trivially_dead_insns): Replace alloca with
6479 * except.c (update_rethrow_references): Likewise.
6480 (init_eh_nesting_info): Likewise.
6481 * function.c (identify_blocks): Likewise.
6482 * gcse.c (dump_hash_table): Likewise.
6483 * graph.c (print_rtl_graph_with_bb): Likewise.
6484 * loop.c (combine_movables): Likewise.
6485 (move_movables): Likewise.
6486 (count_loop_regs_set): Likewise.
6487 (strength_reduce): Likewise.
6488 * profile.c (compute_branch_probabilities): New function, split
6490 (branch_prob): Here. Replace alloca with xmalloc/xcalloc.
6491 * regclass.c (regclass): Likewise.
6492 * regmove.c (regmove_optimize): Likewise.
6493 * toplev.c (compile_file): Likewise.
6494 (main): Don't mess with the stack rlimit.
6496 Sun Nov 7 19:41:17 1999 Catherine Moore <clm@cygnus.com>
6498 * config/elfos.h (ASM_DECLARE_FUNCTION_NAME): Conditionally define.
6499 (ASM_DECLARE_FUNCTION_SIZE): Conditionally define.
6501 Sun Nov 7 10:23:28 1999 Mark P. Mitchell <mark@codesourcery.com>
6503 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns.
6505 Sun Nov 7 02:58:48 1999 Jeffrey A Law (law@cygnus.com)
6507 * global.c (EXECUTE_IF_CONFLICT): Undo Robert's change.
6508 (EXECUTE_IF_SET_IN_ALLOCNO_SET): Put curleys around CODE in
6511 Sat Nov 6 23:48:30 1999 Robert Lipe (robertlipe@usa.net)
6513 * global.c (EXECUTE_IF_CONFLICT): Correct quoting typo.
6515 Sat Nov 6 17:34:39 1999 Jeffrey A Law (law@cygnus.com)
6517 * gcse.c (post_dominators): Kill.
6518 (alloc_code_hoist_mem, free_code_hoist_mem); Kill post_dominators.
6519 (compute_code_hoist_data): Use compute_flow_dominators. Do not
6520 pass in a pdom array since we do not need pdoms.
6521 * haifa-sched.c (schedule_insns): Similarly.
6522 * flow.c (compute_dominators): Remove dead function.
6523 (compute_flow_dominators): Do not compute doms or pdoms if the
6524 caller does not request them. Split up loop to build doms and
6525 pdoms. Use a worklist to compute doms and pdoms.
6526 * basic-block.h (compute_dominators): Remove prototype.
6528 Sat Nov 6 11:38:39 1999 Richard Henderson <rth@cygnus.com>
6530 * haifa-sched.c (struct haifa_insn_data, h_i_d): New.
6531 (insn_luid, insn_priority, insn_costs, insn_units): Remove.
6532 (insn_reg_weight, insn_depend, insn_dep_count): Remove.
6533 (insn_blockage, insn_ref_count, line_note, insn_tick): Remove.
6534 (cant_move, fed_by_spec_load, is_load_insn): Remove.
6535 (schedule_region): Remove unused variable.
6536 (schedule_insns): Allocate h_i_d, and not all the separate arrays.
6538 Sat Nov 6 10:00:34 1999 Mark Mitchell <mark@codesourcery.com>
6540 * local-alloc.c (local_alloc): Use xmalloc/xcalloc, not alloca.
6541 (update_equiv_regs): Likewise.
6542 (block_alloc): Likewise.
6543 * reg-stack.c (reg_to_stack): Likewise.
6544 (convert_regs_2): Likewise.
6545 * reload1.c (reload_as_needed): Likewise.
6547 Sat Nov 6 09:57:59 1999 Mark Mitchell <mark@codesourcery.com>
6549 * Makefile.in (dbxout.o): Depend on ggc.h.
6550 (dwarf2out.o): Likewise.
6551 (xcoffout.o): Likewise.
6552 * dbxout.c: Include ggc.h.
6553 (dbxout_init): Register lastfile as a root.
6554 * dwarf2out.c: Include ggc.h.
6555 (dwarf2out_line): Register lastfile as a root.
6556 * xcoffout.c: Include ggc.h.
6557 (xcoffout_source_line): Register xcoff_lastfile as a root.
6559 Sat Nov 6 09:52:09 1999 Richard Henderson <rth@cygnus.com>
6561 * i386.md (movdf_1, movxf_1): Earlyclobber general regs destination.
6563 Sat Nov 6 07:48:59 1999 Catherine Moore <clm@cygnus.com>
6565 * config/svr4.h (ASM_DECLARE_FUNCTION): Check if already
6567 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
6569 Fri Nov 5 18:33:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
6571 * global.c (EXECUTE_IF_SET_IN_ALLOCNO_SET): New macro.
6572 (EXECUTE_IF_CONFLICT): Likewise.
6573 (ALLOCNO_LIVE_P): Avoid signed division.
6574 (SET_ALLOCNO_LIVE, CLEAR_ALLOCNO_LIVE): Likewise.
6575 (prune_preferences, find_reg): Use EXECUTE_IF_CONFLICT.
6576 (record_one_conflict): Use EXECUTE_IF_SET_IN_ALLOCNO_SET.
6578 Fri Nov 5 12:04:02 1999 Richard Henderson <rth@cygnus.com>
6580 * haifa-sched.c (schedule_block): Don't crash if there's no
6581 next insn for an interblock movement.
6582 (add_branch_dependences): Don't allow clobber insns to move either.
6584 Fri Nov 5 10:18:11 1999 Richard Henderson <rth@cygnus.com>
6586 * i386.c (split_xf): New.
6587 * i386-protos.h: Declare it.
6588 * i386.md (movxf_1): Add general regs alternatives.
6589 (movxf_1+1): New splitter for same.
6591 Fri Nov 5 12:05:52 1999 Nick Clifton <nickc@cygnus.com>
6593 * function.c (purge_addressof_1): Add missing return values.
6595 Fri Nov 5 10:07:25 1999 Nick Clifton <nickc@cygnus.com>
6597 * function.c (is_addressof): New function. Returns true if
6598 the given piece of RTL is an ADDRESSOF.
6599 (purge_addressof_1): Make boolean. Return false if the
6600 ADDRESSOFs could not be purged.
6601 (purge_addressof): If ADDRESSOFs could not be purged from the
6602 notes attached to an insn, remove the offending note(s),
6603 unless they are attached to a libcall.
6605 1999-11-05 Andreas Jaeger <aj@suse.de>
6607 * genoutput.c (null_operand =): Initialize all fields.
6609 * errors.h: Add extern to prototypes.
6611 Fri Nov 5 01:44:09 1999 Jeffrey A Law (law@cygnus.com)
6613 * configure.in (m68k-next-nextstep4): Handle Openstep 4.2.
6614 * configure: Rebuilt.
6616 Fri Nov 5 01:24:37 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
6618 * global.c (CONFLICTP, SET_CONFLICT): Avoid signed division.
6619 (mirror_conflicts): New function.
6620 (global_alloc): Call it.
6621 (expand_preferences): Remove redundant CONFLICTP test.
6622 (find_reg, dump_conflicts): Likewise.
6623 (prune_preferences): Process conflicts one word at a time.
6625 Fri Nov 5 01:05:21 1999 Richard Henderson <rth@cygnus.com>
6627 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_BITMAP
6628 instead of an explicit loop.
6630 Thu Nov 4 23:07:14 1999 Jim Wilson <wilson@cygnus.com>
6632 * cse.c (cse_insn): Revert Oct 31 change. When computing src_elt,
6633 if REG_RETVAL check succeeds, then put classp in src_elt.
6635 Thu Nov 4 23:48:14 1999 Jeffrey A Law (law@cygnus.com)
6637 * function.c (pad_to_arg_alignment): Only update argument_pad
6638 if the argument's alignment is greater than STACK_BOUNDARY.
6640 Thu Nov 4 16:44:53 1999 Richard Henderson <rth@cygnus.com>
6642 * bitmap.h (BITMAP_XFREE): New.
6643 * flow.c (life_analysis): Use it.
6644 (life_analysis_1): Free blocks.
6646 * combine.c (undo_commit): New.
6647 (try_combine): Use it. Don't zap undobuf.undos.
6648 (combine_instructions): Don't zap undobuf.undos; free the
6651 * local-alloc.c (local_alloc): Free qty_phys_num_sugg.
6653 * stmt.c (cost_table_): New.
6654 (estimate_case_costs): Use it instead of xmalloc.
6656 * toplev.c (compile_file): Reuse dumpname memory instead
6659 Thu Nov 4 16:36:44 1999 Richard Henderson <rth@cygnus.com>
6661 * reg-stack.c (convert_regs_1): Initialize target_stack->top
6662 after verifying an EH edge.
6664 * haifa-sched.c (init_rgn_data_dependences): Correctly
6665 size bb_pending_lists_length when zeroing.
6667 Thu Nov 4 16:36:36 1999 Richard Henderson <rth@cygnus.com>
6669 * function.c (diddle_return_value): New.
6670 (expand_function_end): Use it.
6671 * stmt.c (expand_null_return): Likewise.
6672 (expand_value_return): Likewise.
6674 * reg-stack.c (subst_stack_regs_pat): Handle clobbers at top-level.
6676 * reload1.c (reload): Don't remove return value clobbers.
6678 Thu Nov 4 13:33:46 1999 Richard Henderson <rth@cygnus.com>
6680 * rtl.c (read_rtx): Use fatal_with_file_and_line not fatal.
6682 Thu Nov 4 12:49:52 1999 Richard Henderson <rth@cygnus.com>
6684 * cse.c (cse_main): Use xmalloc, not alloca.
6685 (cse_basic_block): Likewise.
6686 * local-alloc.c (local_alloc): Likewise.
6688 Thu Nov 4 14:22:12 1999 David Billinghurst <David.Billinghurst@riotinto.com.au>
6689 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6691 * rtl.c: Include toplev.h.
6692 (fatal): Remove declaration.
6694 Thu Nov 4 06:39:47 1999 Jeffrey A Law (law@cygnus.com)
6696 * haifa-sched.c (schedule_block): Fix thinko.
6698 1999-11-03 James McKelvey <mckelvey@fafnir.com>
6700 * fixinc/fixincl.c(create_file): Allow for systems that do not have
6701 S_IR* defined values
6703 1999-11-03 Philippe De Muyter <phdm@macqel.be>
6705 * fixlib.c (load_file_data): Do not call `realloc' with a NULL pointer;
6706 call `malloc' instead.
6708 Wed Nov 3 23:05:14 1999 Mark Mitchell <mark@codesourcery.com>
6710 * flags.h (flag_renumber_insns): Declare.
6711 * emit-rtl.c (renumber_insns): Check flag_renumber_insns. Print
6713 * rtl.h (renumber_insns): Change prototype.
6714 * toplev.c (flag_renumber_insns): Define.
6715 (rest_of_compilation): Pass rtl_dump_file to flag_renumber_insns.
6717 Wed Nov 3 15:11:27 1999 David S. Miller <davem@redhat.com>
6719 * config/sparc/sparc.md: Remove insn type fpsqrt, add fpsqrts
6720 and fpsqrtd. Use them and create fdiv function unit to more
6721 accurately represent fpu sqrt pipeline semantics on UltraSparc.
6722 * config/sparc/sparc.c: Account for fpsqrt{s,d} changes.
6724 Wed Nov 3 15:11:27 1999 Matteo Frigo <athena@fftw.org>
6726 * config/sparc/sparc.md: Adjust FADD/FMUL result latencies to
6728 * config/sparc/sparc.c (ultra_schedule_insn): Insert launched
6729 insn into ready list, do not use just a raw swap.
6731 Wed Nov 3 14:51:59 1999 Mark P. Mitchell <mark@codesourcery.com>
6733 * rtl.h (renumber_insns): New function.
6734 (remove_unnecessary_notes): Likewise.
6735 * emit-rtl.c (renumber_insns): Define.
6736 (remove_unncessary_notes): Likewise.
6737 * toplev.c (rest_of_compilation): Remove dead code.
6738 Use renumber_insns and remove_unncessary_notes.
6740 * gcse.c (struct null_pointer_info): New type.
6741 (get_bitmap_width): New function.
6742 (current_block): Remove.
6743 (nonnull_local): Likewise.
6744 (nonnull_killed): Likewise.
6745 (invalidate_nonnull_info): Take a null_pointer_info as input.
6746 (delete_null_pointer_checks_1): New function.
6747 (delete_null_pointer_checks): Use it.
6749 * haifa-sched.c (find_rgns): Replace uses of alloca with xmalloc.
6750 (split_edges): Likewise.
6751 (schedule_block): Likewise.
6752 (compute_block_backward_dependencies): Likewise.
6753 (schedule_region): Likewise.
6754 (schedule_insns): Likewise.
6756 Wed Nov 3 15:40:23 1999 Catherine Moore <clm@cygnus.com>
6758 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Provide default.
6759 * emit-rtl.c (gen_label_rtx): Support LABEL_ALTERNATE_NAME.
6760 * final.c (final_scan_insn): Emit LABEL_ALTERNATE_NAME.
6761 * ggc-common.c (ggc_mark_rtx_children): Mark LABEL_ALTERNATE_NAME.
6762 * jump.c (delete_unreferenced_labels): Don't delete if
6763 LABEL_ALTERNATE_NAME is set.
6764 * print-rtl.c (print_rtx): Dump alternate name.
6765 * rtl.def (CODE_LABEL): Change format to "iuuis00s".
6766 * rtl.h (LABEL_ALTERNATE_NAME): Define.
6767 * rtl.texi (LABEL_ALTERNATE_NAME): Document.
6768 * tm.texi (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Document.
6770 Wed Nov 3 15:39:19 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6772 * fix-header.c (recognized_extern, recognized_function): Constify
6775 * lcm.c (compute_laterin): Remove unused variable `temp_bitmap'.
6776 (pre_edge_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
6777 (compute_available): Remove unused variable `last'.
6778 (compute_nearerout): Remove unused variable `temp_bitmap'.
6779 (pre_edge_rev_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
6780 Remove unused variable `x'.
6782 * scan.h (recognized_function, recognized_extern): Constify a
6785 * simplify-rtx.c (simplify_rtx): Remove unused variable `new'.
6787 Wed Nov 3 10:40:53 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6789 * varasm.c (decode_rtx_const): Use XSTR to access the string
6792 Wed Nov 3 10:10:58 1999 Richard Henderson <rth@cygnus.com>
6794 * c-decl.c (duplicate_decls): Copy DECL_MODE too.
6796 Wed Nov 3 12:12:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
6798 * reload1.c (eliminate_regs_in_insn): If copying insn, also copy notes.
6800 Wed Nov 3 03:26:28 1999 Jeffrey A Law (law@cygnus.com)
6802 * pa.c (ireg_operand): New function.
6803 * pa.h (PREDICATE_CODES): Handle ireg_operand.
6804 * pa.md (parallel_addb, parallel_movb): Use ireg_operand.
6805 Fix out of date comment.
6807 * pa.md (negdi2): Turn into expander + anonymous pattern.
6809 * reload.c (find_reloads): Fix typos in recent change.
6811 * dwarf2out.c: Do not include ctype.h.
6813 Tue Nov 2 21:53:44 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6815 * regclass.c (record_reg_classes): Always use may_move_cost when
6816 seeing how operand fits with various register classes.
6818 Tue Nov 2 15:38:17 1999 Richard Henderson <rth@cygnus.com>
6820 * resource.c: Revert Oct 26 20:42 and Oct 27 00:56 changes.
6821 * toplev.c: Revert Nov 1 13:22 change.
6823 Tue Nov 2 14:21:37 1999 Jason Eckhardt <jle@cygnus.com>
6825 * config/pa/pa.md (height reduction patterns): Add checks for
6826 overlapping operands to avoid semantic-destroying splits for
6827 height reduction patterns.
6829 Tue Nov 2 15:27:31 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6831 * configure.in (m68k-hp-hpux*, xm_alloca.h): The underscore should
6832 have been an hyphen, fixed.
6833 * configure: Rebuilt.
6835 Tue Nov 2 17:04:36 1999 Nick Clifton <nickc@cygnus.com>
6837 * config/arm/tpe.h: Add prototypes for exported functions.
6838 * config/arm/pe.c: Fix compile time warnings.
6839 * config/arm/semi.h: Fix compile time warnings.
6840 * config/arm/arm.c: Fix compile time warnings.
6841 * config/arm/arm.h: Fix compile time warnings.
6842 * config/arm/arm.md: Fix compile time warnings.
6843 * config/arm/thumb.c: Fix compile time warnings.
6844 * config/arm/thumb.h: Fix compile time warnings.
6845 * config/arm/thumb.md: Fix compile time warnings.
6847 Tue Nov 2 04:10:24 1999 Jan Hubicka <hubicka@freesoft.cz>
6849 * jump.c (jump_optimize_1): Swap the incscc and the conditional mode
6852 * unroll.c (unroll_loop): Remove LOOP notes when loop is
6853 completely unrolled.
6855 Tue Nov 2 16:57:22 1999 Bernd Schmidt <bernds@cygnus.co.uk>
6857 * cse.c (simplify_plus_minus, check_fold_const): Delete declarations.
6859 Tue Nov 2 09:43:00 1999 Catherine Moore <clm@cygnus.com>
6861 * Makefile.in (genattrtab): Don't use (HOST_RTLANAL).
6862 * rtl.h (rtx_equal_p): Move prototype.
6863 * rtl.c (rtx_equal_function_value_matters): Move from
6865 (rtx_equal_p): Likewise.
6866 * rtlanal.c (rtx_equal_function_value_matters): Delete.
6867 (rtx_equal_p): Likewise.
6869 Mon Nov 1 23:21:17 1999 Jason Merrill <jason@yorick.cygnus.com>
6871 * libgcc2.c (__do_global_dtors): Only do EH frame stuff if
6874 Mon Nov 1 23:37:38 1999 Jeffrey A Law (law@cygnus.com)
6876 * gcc.1 (PA options): Remove obsolete -mshared-libs options.
6878 * pa.h (ADDR_VEC_ALIGN): Define.
6880 * jump.c (jump_optimize_1): Also move LOOP_VTOP and LOOP_CONT
6881 notes when presented with "if (foo) break; end_of_loop" and
6882 the break sequence gets moved out of the loop.
6884 * unroll.c (unroll_loop): Allocate memory for MAP using xcalloc.
6885 Remove explicit zero initializations of entries within MAP.
6887 Mon Nov 1 18:09:14 1999 Richard Henderson <rth@cygnus.com>
6889 * reg-stack.c (convert_regs_1): Handle EH edges specially.
6891 Mon Nov 1 15:41:01 1999 Mark P. Mitchell <mark@codesourcery.com>
6893 * bitmap.h (BITMAP_XMALLOC): New macro.
6894 * flow.c (CLEAN_ALLOCA): Remove.
6895 (delete_unreachable_blocks): Use xmalloc/xcalloc instead of alloca.
6896 (life_analysis): Likewise.
6897 (update_life_info): Don't use CLEAN_ALLOCA.
6898 (life_analysis_1): Use xmalloc/xcalloc instead of alloca.
6899 (calculate_global_regs_live): Likewise.
6900 (print_rtl_with_bb): Likewise.
6901 (verify_flow_info): Likewise.
6902 * global.c (global_alloc): Likewise.
6903 (global_conflicts): Likewise.
6904 * integrate.c (save_for_inline_nocopy): Likewise.
6905 (expand_inline_function): Likewise.
6906 * jump.c (jump_optimize_1): Likewise.
6907 (duplicate_loop_exit_test): Likewise.
6908 (thread_jumps): Likewise.
6909 * loop.c (loop_optimize): Likewise.
6910 (combine_givs): Likewise.
6911 (recombine_givs): Likewise.
6912 * reorg.c (dbr_schedule): Likewise.
6913 * unroll.c (unroll_loop): Likewise.
6915 * combine.c (combine_instructions): Use xmalloc instead of alloca.
6917 Mon Nov 1 13:22:30 1999 Richard Henderson <rth@cygnus.com>
6919 * toplev.c (rest_of_compilation): Don't optimize the CFG
6920 when rebuilding, just before dbr.
6922 Mon Nov 1 14:35:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6924 * output.h (assemble_end_function, assemble_destructor,
6925 assemble_constructor, assemble_gc_entry, assemble_global,
6926 assemble_label, output_constant_pool) Constify a char*.
6928 * varasm.c (assemble_destructor, assemble_constructor,
6929 assemble_gc_entry, assemble_end_function, assemble_global,
6930 assemble_label, output_constant_pool): Likewise.
6932 Mon Nov 1 14:22:51 1999 Nick Clifton <nickc@cygnus.com>
6934 * config/arm/thumb.c (thumb_expand_prologue): Add comments
6935 explaining what is goin on in this function.
6937 Mon Nov 1 08:03:15 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6939 * regclass.c (record_reg_classes): In matching case, recompute
6940 costs since the direction of movement is different.
6942 Sun Oct 31 21:59:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
6944 * resource.c (mark_target_live_regs): For unconditional branches,
6945 the resources found at the branch target should be added to the
6946 resources found so far, not intersected.
6948 Sun Oct 31 15:48:49 1999 Philippe De Muyter <phdm@macqel.be>
6950 * fixinc/fixtests.c, fixinc/fixfixes.c : Keep `#' in first column for
6952 * fixinc/fixincl.c (fcntl.h) : Do not include this file twice.
6953 (sys/mman.h): Include this file only if #HAVE_MMAP.
6954 (run_compiles): Initialize `esac_fmt' with one old KR string, not
6955 with automatically concatenated ANSI strings.
6957 Sun Oct 31 23:57:07 1999 Mark Mitchell <mark@codesourcery.com>
6959 * ggc-page.c (struct page_entry): Remove save_num_free_objects.
6960 (DIV_ROUND_UP): Robustify.
6961 (ggc_recalculate_in_use_p): New function.
6962 (release_pages): Don't inline it.
6963 (ggc_alloc_obj): Don't refuse to allocate objects on pages for
6965 (ggc_pop_context): Use ggc_recalculate_in_use_p.
6966 (clear_marks): Always save in_use_p.
6967 (sweep_pages): Use ggc_recalculate_in_use_p.
6968 (ggc_page_print_statistics): Avoid signed/unsigned comparisons.
6969 Release pages before counting statistics.
6971 Sun Oct 31 23:42:37 1999 Mark Mitchell <mark@codesourcery.com>
6973 * toplev.c (rest_of_compilation): Fix thinko in this change:
6975 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
6977 (rest_of_compilation): If inside an inlined external function,
6978 pretend we are just being declared.
6980 Sun Oct 31 23:03:25 1999 Jeffrey A Law (law@cygnus.com)
6982 * flow.c (calculate_global_regs_live): Fix thinko.
6984 * integrate.c (expand_inline_function): Fix bugs in previous
6985 change from Oct 28, 1999.
6987 Sun Oct 31 20:27:45 1999 Mark Mitchell <mark@codesourcery.com>
6989 * stmt.c (expand_value_return): Fix typo in this change:
6991 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6992 (expand_value_return): Correctly convert VAL when promoting function
6993 return; support RETURN_REG being a PARALLEL.
6995 Sun Oct 31 20:25:42 1999 Mark P. Mitchell <mark@codesourcery.com>
6997 * expr.c (readonly_fields_p): Ignore everything except FIELD_DECLs.
6999 Sun Oct 31 20:42:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7001 * hard-reg-set.h (reg_names): Constify a char*.
7003 * regclass.c (reg_names): Likewise.
7005 * regs.h (reg_names): Likewise
7007 * a29k/a29k.c (reg_names): Delete declaration.
7009 * a29k/a29k.h (CONDITIONAL_REGISTER_USAGE): Constify a char*.
7011 * arc/arc.c (arc_save_restore, arc_output_function_prologue,
7012 arc_output_function_epilogue): Likewise.
7014 * elxsi/elxsi.c (reg_names): Likewise.
7016 * gmicro/gmicro.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Likewise.
7018 * m32r/m32r.c (m32r_output_function_epilogue, emit_cond_move):
7021 * m88k/m88k.c (output_function_profiler): Likewise.
7023 * sparc/sparc.c (sparc_flat_output_function_prologue,
7024 sparc_flat_output_function_epilogue): Likewise.
7026 Sun Oct 31 13:32:15 CET 1999 Marc Lehmann <pcg@goof.com>
7028 * toplev.c (rest_of_compilation): Seperate the setjmp/vfork clobber
7029 warning from -Wuninitialized and put it under -W.
7030 * function.c (uninitialized_vars_warning): Warn only when the
7031 corresponding flag is set.
7033 Sun Oct 31 01:53:30 1999 Jeffrey A Law (law@cygnus.com)
7035 * cse.c (cse_insn): If an insn has only a single set, SRC_EQV
7036 is nonzero and the single set does not have an elt, then assign
7039 * simplify-rtx.c: New file.
7040 * Makefile.in (OBJS): Add simplify-rtx.o
7041 (simplify-rtx.o): Add dependencies.
7042 * rtl.h (simplify_gen_binary, simplify_rtx): Add prototypes.
7043 * cse.c: Use simplify_gen_binary intead of cse_gen_binary.
7044 (cse_gen_binary, simplify_unary_operation): Delete.
7045 (simplify_binary_operation, simplify_plus_minus): Likewise.
7046 (check_fold_consts, simplify_relation_operation): Likewise.
7047 (simplify_ternary_operation): Likewise.
7048 (delete_trivially_dead_insns): Simplify the contents of the
7049 REG_EQUAL note before trying to substitute it into the source
7050 of the reg-reg copy at the end of a libcall sequence.
7052 * combine.c (combine_simplify_rtx): Renamed from simplify_rtx. All
7053 references/callers changed.
7055 * mn10200.c (mn10200_va_arg): Force the return value into a
7058 * fr30.h (EXTRA_CC_NAMES): Remove obsolete macro.
7060 * cccp.c (macroexpand): Avoid out of range accesses for omitted
7063 Sat Oct 30 22:42:50 1999 Stephen L Moshier <moshier@mediaone.net>
7065 * c-lex.c (yylex): Accept 'f' in mantissa of hex float constant.
7067 Sat Oct 30 22:19:26 1999 Jeffrey A Law (law@cygnus.com)
7069 * fold-const.c (fold): Fix thinko when optimizing comparisons
7072 Sat Oct 30 21:32:17 1999 David Starner <dstarner98@aasaa.ofe.org>
7074 * gcc.texi (Passes): Update front-end files to their current
7077 Sat Oct 30 14:41:40 1999 Richard Henderson <rth@cygnus.com>
7079 * alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Call secondary_reload_class.
7080 (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
7081 (PREDICATE_CODES): Add addition_operation.
7082 * alpha-protos.h (addition_operation): Declare.
7083 (secondary_reload_class): Likewise.
7084 * alpha.c (addition_operation): New.
7085 (secondary_reload_class): New, from old SECONDARY_INPUT_RELOAD_CLASS.
7086 * alpha.md (adddi3): Turn into expander.
7087 (*lda, *adddi_2): New.
7088 (movsf, movdf patterns): Don't preference integer regs.
7089 (movsi, movdi patterns): Don't preference fp regs.
7091 Sat Oct 30 14:38:22 1999 Richard Henderson <rth@cygnus.com>
7093 * genrecog.c (write_switch): Check for duplicate CODE cases.
7095 Sat Oct 30 14:31:48 1999 Richard Henderson <rth@cygnus.com>
7097 * ggc-common.c: Update pre-function commentary.
7098 * ggc-page.c: Likewise.
7100 (poison_pages): Use memset directly.
7101 (ggc_alloc_obj): Likewise. Use a different pattern than poison_pages.
7102 (ggc_collect): Poison before sweeping.
7103 * ggc-simple.c: Update pre-function commentary.
7104 (ggc_alloc_obj): Poison non-zeroed memory.
7106 Sat Oct 30 14:28:52 1999 Mark Mitchell <mark@codesourcery.com>
7108 * ggc-common.c (ggc_print_statistics): Make arguments to fprintf
7109 match format string, even on 64-bit hosts.
7110 * gcc-page.c (ggc_page_print_statistics): Likewise.
7112 Sat Oct 30 14:38:04 1999 Catherine Moore <clm@cygnus.com>
7114 * config/i386/i386.c (ix86_cpu): Revert last patch.
7115 * config/i386/i386.h (ix86_cpu): Ditto.
7117 Fri Oct 29 17:00:42 1999 Jim Wilson <wilson@cygnus.com>
7119 * stor-layout.c (layout_type): When compute TYPE_SIZE_UNIT from
7120 TYPE_SIZE, convert type of result to sizetype.
7122 Fri Oct 29 14:34:17 1999 Richard Henderson <rth@cygnus.com>
7124 * flow.c (count_or_remove_death_notes): Equate NULL with the
7127 * jump.c, reg-stack.c, toplev.c: Revert Oct 27 change.
7128 * toplev.c (rest_of_compilation): Rebuild CFG immediately before
7131 * i386.c (pic_label_no): Delete.
7132 (ix86_attr_length_default): Don't use single_set to peek
7135 * recog.c (peephole2_optimize): Allow recog_next_insn to index
7136 the first insn after bb->end.
7137 * i386.md (push mem peeps): Scratch is live after evaluation
7139 (cmp mem peep): Similarly.
7141 Fri Oct 29 11:50:11 1999 Catherine Moore <clm@cygnus.com>
7143 * calls.c (emit_library_call_value): Fix declaration of alignment_pad.
7144 * function.c (pad_to_arg_alignment): Add missing braces.
7146 Fri Oct 29 13:53:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7148 * alpha/alpha-protos.h (literal_section): Add prototype.
7149 (alpha_need_linkage, alpha_start_function,alpha_end_function):
7152 * alpha/alpha.c (alpha_ra_ever_killed, set_frame_related_p): Add
7154 (alpha_start_function, alpha_end_function, float_strings,
7155 alpha_need_linkage): Constify a char*
7157 * alpha/alpha.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_MI_THUNK): Likewise.
7159 * alpha/alpha32.h (ASM_OUTPUT_MI_THUNK): Likewise.
7161 * alpha/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
7163 * alpha/vms.h (ASM_OUTPUT_SECTION_NAME): Likewise.
7165 Fri Oct 29 13:49:39 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7167 * flow.c (debug_flow_info): Add prototype.
7169 * gcc.c (main): Likewise.
7171 * gcse.c (expr_reaches_here_p_work, pre_expr_reaches_here_p_work):
7174 * reload1.c (failed_reload, set_reload_reg): Likewise.
7176 * mips-tfile.c (main): Likewise.
7177 (pfatal_with_name, fancy_abort, botch, fatal, catch_signal): Mark
7178 with ATTRIBUTE_NORETURN.
7180 Fri Oct 29 18:16:03 1999 Andrew Haley <aph@cygnus.com>
7182 * config/i386/i386.h (ENCODE_SECTION_INFO): Don't do anything if
7183 DECL is not a memory ref.
7185 Fri Oct 29 09:05:34 1999 Catherine Moore <clm@cygnus.com>
7187 * config/i386/i386.h (ix86_cpu): Remove extern attribute.
7188 * config/i386/i386.c (ix86_cpu): Add extern attribute.
7190 Fri Oct 29 16:30:04 1999 Andrew Haley <aph@cygnus.com>
7192 * config/mips/elf.h: remove NAME__MAIN and SYMBOL__MAIN.
7193 * config/mips/elf64.h: ditto.
7195 Fri Oct 29 08:03:57 1999 Catherine Moore <clm@cygnus.com>
7197 * expr.c (emit_push_insn): New argument alignment_pad.
7198 Update all callers. Adjust stack pointer based on alignment pad.
7199 * function.c (pad_to_arg_alignment): New argument alignment_pad.
7200 Update all callers. Track alignment_pad if boundary > PARM_BOUNDARY.
7201 (locate_and_pad_parm): New argument alignment_pad. Update all
7203 * expr.h (emit_push_insn): Update prototype.
7204 (locate_and_pad_parm): Update prototype.
7205 * calls.c (arg_data): Add new field alignment_pad.
7206 (initialize_argument_information): Initialize alignment_pad.
7208 Fri Oct 29 02:51:35 1999 Mark Mitchell <mark@codesourcery.com>
7210 * except.c (free_eh_nesting_info): Free the info itself.
7211 * function.c (free_after_compilation): Don't free NULL.
7212 * gcse.c (alloc_pre_mem): Free the temp_bitmap, too.
7213 (pre_edge_insert): Free inserted.
7214 * stmt.c (free_stmt_status): Don't free NULL.
7216 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
7218 * gcov.c (DIR_SEPARATOR): Provide default.
7219 (output_data): Add test for MS-DOS format absolute filename.
7220 (fancy_abort): Correct program name.
7221 (open_files): Open all files in binary mode.
7222 * libgcc2.c (__bb_exit_func): Likewise.
7224 * profile.c (init_branch_prob): Specify binary when opening files.
7226 * flags.h (flag_unwind_tables): New decl.
7227 * toplev.c (flag_unwind_table): New definition.
7228 (f_options): Add -funwind-tables.
7229 (decode_g_option): Clarify warning when unknown -g option is given.
7230 (rest_of_compilation): If inside an inlined external function,
7231 pretend we are just being declared.
7233 * dwarf2out.c (dwarf2out_do_frame): Check -funwind_tables.
7234 (dwarf2out_frame_finish): Likewise.
7236 Fri Oct 29 07:44:26 1999 Vasco Pedro <vp@di.fct.unl.pt>
7238 * fold-const.c (merge_ranges): If not in0, but in1, handle
7239 upper bounds equal like subset case.
7241 Thu Oct 28 19:22:24 1999 Douglas Rupp <rupp@gnat.com>
7243 * dbxout.c (dbxout_parms): Generate a second stabs line for parameters
7244 passed in a register but moved to the stack.
7246 Thu Oct 28 19:12:57 1999 Sam Tardieu <tardieu@act-europe.fr>
7248 * gcc.c (pass_exit_codes, greatest_status): New variables.
7249 (struct option_map): Add entry for "--pass-exit-codes".
7250 (execute): Update greatest_status if error.
7251 (display_help): Add documentation for -pass-exit-codes.
7252 (process_command): Handle -pass-exit-codes.
7253 (main): Look at pass_exit_codes and greatest_status on call to exit.
7255 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7257 * reload.c (find_reloads): Refine test for no input reload
7258 case to not includes reloads emitted after insn.
7260 * function.c (find_temp_slots_from_address): Handle sum involving
7261 a register that points to a temp slot.
7262 (update_temp_slot_address): Make recursive call if both old and
7263 new are PLUS with a common operand.
7264 * calls.c (expand_call): Mark temp slot for result as having
7267 * rtlanal.c (reg_referenced_p, case IF_THEN_ELSE): New case.
7269 * gcc.c (process_command): Add standard_exec_prefix with "GCC"
7270 component as well as "BINUTILS".
7272 * integrate.h (copy_rtx_and_substitute): New arg, FOR_LHS.
7273 * integrate.c (copy_rtx_and_substitute): Likewise.
7274 (expand_inline_function, integrate_parm_decls, integrate_decl_tree):
7275 All callers changed.
7276 * unroll.c (inital_reg_note_copy, copy_loop_body): Likewise.
7278 * dbxout.c (dbxout_type, case INTEGER_TYPE_NODE): If can use
7279 gdb extensions, write size of type; also be more consistent
7280 in using references when this is a subtype.
7282 * pa.md (extv, extzv, insv): Use define_expand to reject constant
7283 that is out of range.
7285 * loop.c (unknown_constant_address_altered): New variable.
7286 (prescan_loop): Initialize it.
7287 (note_addr_stored): Set it for RTX_UNCHANGING_P MEM.
7288 (invariant_p, case MEM): Remove handling for volatile and readonly;
7289 check new variable if readonly.
7290 (check_dbra_loop): Chdeck unknown_constant_address_altered.
7292 * cse.c (canon_hash, case MEM): Do not record if BLKmode.
7293 (addr_affects_sp_p): Removed from note_mem_written and only
7294 define #ifdef AUTO_INC_DEC.
7296 * alpha.c (input_operand, case ADDRESSOF): Treat as REG.
7298 * regclass.c (record_reg_classes): Properly handle register move
7301 * varasm.c (initializer_constant_valid_p, case MINUS_EXPR):
7302 Don't think valid if both operands are invalid.
7303 (struct constant_descriptor): New field RTL.
7304 (mark_const_hash_entry): Mark it.
7305 (record_constant{,_rtx}): Initialize it.
7306 (output_constant_def): Allocate RTL in permanent obstack and
7308 ({record,compare}_constant_1): Modes must match for
7309 CONSTRUCTOR of ARRAY_TYPE.
7311 * c-common.h (initializer_constant_valid_p): Delete decl from here.
7312 * output.h (initializer_constant_valid_p): Move decl to here.
7313 * c-common.c (initializer_constant_valid_p): Delete function from here.
7314 * varasm.c (initializer_constant_valid_p): Move function to here.
7316 * tree.h (STRIP_SIGN_NOPS): New macro.
7317 * fold-const.c (optimize_minmax_comparison): New function.
7318 (invert_truthvalue, case WITH_RECORD_EXPR): New case.
7319 (fold): Use STRIP_SIGN_NOPS instead of STRIP_TYPE_NOPS.
7320 (fold, case EQ_EXPR): Call optimize_minmax_comparison and add
7321 cases with ABS_EXPR, NEGATE_EXPR, PLUS_EXPR, MINUS_EXPR, and
7322 widening conversions.
7323 (fold, case LE_EXPR): Rework changing unsigned to signed comparisons
7324 to look at size of mode, not precision of type; also add missing cases.
7325 (optimize_bit_field_compare, decode_field_reference): Don't try to
7326 optimize COMPONENT_REF of a PLACEHOLDER_EXPR.
7328 * dwarf2out.c (ctype.h): Include.
7329 (dwarf2out_set_demangle_name_func): New function.
7330 (size_of_line_info): Deleted.
7331 (output_line_info): Compute size of line info table from difference
7333 (base_type_die, add_name_attribute): Call demangle function, if any.
7334 (field_byte_offset): Use bits per word for variable length fields.
7335 (gen_array_type_die): Add array name.
7336 (gen_subprogram_die): Ignore DECL_INLINE if -fno-inline.
7337 (dwarf2out_add_library_unit_info): New function.
7339 * explow.c (set_stack_check_libfunc): New function.
7340 (stack_check_libfunc): New static variable.
7341 (probe_stack_range): Allow front-end to set up a libfunc to call.
7343 * combine.c (simplify_comparison): When making comparison in wider
7344 mode, check for having commuted an AND and a SUBREG.
7345 (contains_muldiv): New function.
7346 (try_combine): Call it when dividing a PARALLEL.
7347 (simplify_rtx, case TRUNCATE): Don't remove for umulsi3_highpart.
7348 (simplify_comparison, case ASHIFTRT): Recognize sign-extension of
7350 (record_value_for_reg): If TEM is a binary operation with two CLOBBERs,
7351 use one of the CLOBBERs instead.
7352 (if_then_else_cond): If comparing against zero, just return thing
7355 * optabs.c (expand_abs): If machine has MAX, ABS (x) is MAX (x, -x).
7356 Don't generate shifts and subtract if have conditional arithmetic.
7358 * rtl.h (delete_barrier): New declaration.
7359 * jump.c (jump_optimize): Set up to handle conditional call.
7360 In conditional arithmetic case, handle CALL_INSN followed by a BARRIER.
7361 (delete_barrier): New function.
7363 * rtl.c (read_rtx): Call fatal if bad RTL code; check for bad mode.
7365 * recog.c (nonmemory_operand): Accept ADDRESSOF.
7367 * tree.c (build_type_attribute_variant): Push to obstack of
7368 ttype around type_hash_canon call.
7370 * expr.c (placeholder_list): Move decl to file scope.
7371 (expand_expr): Don't force access to volatile just because its
7373 If ignoring reference operations, just expand the operands.
7374 (expand_expr, case COMPONENT_REF): Propagate
7375 EXPAND_CONST_ADDRESS to recursive call when expanding inner.
7376 Refine test for using bitfield operations vs pointer punning.
7377 (expand_expr, case CONVERT_EXPR): If converting to
7378 BLKmode UNION_TYPE from BLKmode, just return inner object.
7379 Use proper mode in store_field call.
7380 Properly set sizes of object to store and total size in store_field
7381 call for convert to union.
7382 (expand_expr, case ARRAY_REF): If OP0 is in a register, put it in
7383 memory (like for ADDR_EXPR). Also, don't put constant in register if
7384 we'll want it in memory.
7385 (readonly_fields_p): New function.
7386 (expand_expr, case INDIRECT_REF): Call it if LHS.
7387 (expand_assignment): Handle a RESULT_DECL where
7388 DECL_RTL is a PARALLEL.
7389 (do_jump, case WITH_RECORD_EXPR): New case.
7390 (get_inner_reference): Always go inside a CONVERT_EXPR
7391 and NOP_EXPR if both modes are the same.
7392 (store_field): Use bitfield operations if size of bitsize is not same
7393 as size of RHS's type.
7394 Check for bitpos not a multiple of alignment in BLKmode case.
7395 Do block move in largest possible alignment.
7396 (store_constructor): Set BITSIZE to -1 for variable size and properly
7397 in case of array of BLKmode.
7398 (expand_expr_unaligned): New function.
7399 (do_compare_and_jump): Call it.
7401 * mips/iris5.h (SWITCHES_NEED_SPACES): New macro.
7402 * collect2.c (main): Only allow -ofoo if SWITCHES_NEED_SPACES
7403 does not include 'o'.
7405 * function.c (instantiate_virtual_regs_1, case SET): Handle case where
7406 both SET_DEST and SET_SRC reference a virtual register.
7407 (gen_mem_addressof): Copy RTX_UNCHANGING_P from new REG to old REG.
7409 * integrate.c (expand_inline_function): Handle case of setting
7410 virtual stack vars register (from built in setjmp); when parameter
7411 lives in memory, expand virtual_{stack_vars,incoming_args}_rtx early.
7412 (subst_constant): Add new parm, MEMONLY.
7413 (expand_inline_function, integrate_parm_decls): Pass new parm.
7414 (integrate_decl_tree): Likewise.
7415 (copy_rtx_and_substitute, case MEM): Do copy RTX_UNCHANGING_P.
7416 (try_constants): Call subst_constants twice, with MEMONLY 0 and 1.
7417 (copy_rtx_and_substitute, case SET): Add explicit calls to
7418 copy_rtx_and_substitute for both sides.
7420 * stmt.c (expand_asm_operands): Don't use TREE_STRING_LENGTH for
7422 (pushcase{,_range}): Convert to NOMINAL_TYPE after checking for
7423 within INDEX_TYPE, instead of before.
7424 (fixup_gotos): Use f->target_rtl, not the next insn,
7425 since latter may be from a later fixup.
7426 (expand_value_return): Correctly convert VAL when promoting function
7427 return; support RETURN_REG being a PARALLEL.
7428 (expand_return): When checking for result in regs and having
7429 cleanup, consider PARALLEL in DECL_RTL as being in regs.
7431 1999-10-28 21:27 -0700 Zack Weinberg <zack@bitmover.com>
7433 * cpplib.h (struct cpp_buffer: fname, nominal_fname,
7434 last_nominal_fname): Mark const.
7435 (struct include_hash: name, nshort, control_macro): Mark
7437 (struct macrodef: symnam): Mark const.
7438 (struct if_stack: fname): Mark const.
7439 (is_idchar, is_idstart, is_hor_space, trigraph_table): Delete.
7440 (IStable): New character-syntax array which encompasses all
7441 the old is_foo arrays.
7442 (is_idchar, is_numchar, is_idstart, is_numstart, is_hspace,
7443 is_space): New macros for interrogating IStable.
7444 (check_macro_name): Kill last argument. All callers changed.
7446 * cppinit.c (initialize_char_syntax): Delete.
7447 (is_idchar, is_idstart, is_hor_space, is_space,
7448 trigraph_table): Delete.
7449 (IStable): New. Initialize with clever macros to avoid
7450 information duplication.
7451 (builtin_array): Table of builtins to get rid of explicit list
7452 in initialize_builtins.
7453 (initialize_builtins): Use builtins_array.
7454 (cpp_start_read): Call init_IStable, and set IStable['$'] if
7455 opts->dollars_in_ident.
7457 * cppexp.c: Change all refs to is_xyz[] arrays to use new
7459 (cpp_parse_expr): Avoid 'format string is not constant'
7460 warning. Use ISGRAPH to identify printable chars.
7461 * cppfiles.c: Change all refs to is_xyz[] arrays to use new
7463 (read_and_prescan): Map trigraphs to chars with open-coded
7464 if-else-if-... sequence, not a lookup table.
7465 * cpphash.c: Change all refs to is_xyz[] arrays to use new
7467 * cpplib.c: Change all refs to is_xyz[] arrays to use new
7468 is_xyz() macros. Kill SKIP_ALL_WHITE_SPACE (unused).
7469 (check_macro_name): Remove ability to report an invalid
7470 assertion name, which is never used.
7471 (do_line): Constify a couple of char *'s.
7472 * cppmain.c (main): Call cpp_cleanup before returning.
7474 Thu Oct 28 21:16:35 1999 Mark Mitchell <mark@codesourcery.com>
7476 * ggc.h (struct ggc_statistics): New type.
7477 (ggc_get_size): New function.
7478 (ggc_print_statistics): Likewise.
7479 * ggc-common.c (ggc_stats): New variable.
7480 (ggc_mark_rtx_children): Keep statistics.
7481 (ggc_mark_tree_children): Likewise.
7482 (ggc_print_statistics): New function.
7483 * ggc-page.c (struct globals): Add bytes_mapped field.
7484 (alloc_anon): Update it.
7485 (release_pages): Likewise.
7486 (ggc_get_size): New function.
7487 (ggc_page_print_statistics): New function.
7488 * ggc-simple.c (ggc_get_size): New function.
7490 Fri Oct 29 06:32:44 1999 Geoffrey Keating <geoffk@cygnus.com>
7492 * flow.c (propagate_block): When the last reference to a label
7493 before an ADDR_VEC is deleted because the reference is a dead
7494 store, delete the ADDR_VEC.
7496 Thu Oct 28 12:28:50 1999 Richard Henderson <rth@cygnus.com>
7498 * resource.c (find_free_register): Don't use the frame pointer
7499 if frame_pointer_needed.
7501 Thu Oct 28 10:02:00 1999 Jim Wilson <wilson@cygnus.com>
7503 * config/mips/mips.c (mips_va_arg): Delete gen_jump as emit_jump arg.
7504 (function_arg_pass_by_reference): Check for a NULL pointer in cum.
7506 * config/i960/i960.c (i960_va_start): New locals base, num.
7507 Use INDIRECT_REF instead of ARRAY_REF on valist.
7508 (i960_va_arg): Use INDIRECT_REF instead of ARRAY_REF on valist.
7510 Thu Oct 28 09:45:48 1999 Mark Mitchell <mark@codesourcery.com>
7512 * gcse.c (delete_null_pointer_checks): Fix typo in previous change.
7514 Thu Oct 28 03:37:50 1999 Peter Gerwinski <peter@gerwinski.de>
7516 * tree.def (PLACEHOLDER_EXPR): Update comments.
7518 Thu Oct 28 06:47:32 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7520 * c-common.c (check_format_info): Avoid non-literal format string
7521 warnings when `first_arg_num' is zero.
7523 Thu Oct 28 12:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
7525 * rtl.texi: Delete explicit Prev, Up and Next entries in "@node"s.
7527 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
7529 * arm.md (casesi_insn): Add a clobber of the condition code
7532 Mon Oct 18 21:16:06 1999 Fred Fish <fnf@be.com>
7534 * tm.texi (CC1PLUS_SPEC): Make it clear in the docs that CC1_SPEC is
7535 used by both cc1 and cc1plus.
7537 Thu Oct 28 10:00:48 1999 Nick Clifton <nickc@cygnus.com>
7539 * config/arm/arm.c: Initialise arm_structure_size_boundary to
7540 DEFAULT_STRUCTURE_SIZE_BOUNDARY.
7541 * config/arm/arm.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY): Define
7542 to the value 32 if it has not already been defined.
7543 * config/arm/netbsd.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY):
7544 Override definition in arm.h with a value of 8.
7546 Thu Oct 28 03:12:02 1999 David Starner <dstarner98@aasaa.ofe.org>
7548 * c-pragma.c (push_alignment): Don't check the return value
7551 Thu Oct 28 03:08:38 1999 Matteo Frigo <athena@fftw.org>
7553 * sparc.h (ADJUST_COST): Fix thinko.
7555 Thu Oct 28 02:44:03 1999 Glen Nakamura <glen.nakamura@usa.net>
7557 * cccp.c (rescan): Fixed obp pointer handling around call to
7558 check_expand subroutine.
7560 Thu Oct 28 02:15:22 1999 Jeffrey A Law (law@cygnus.com)
7562 * gcse.c (delete_null_pointer_checks): Only record non-null info
7563 for pseudos when examining stores.
7565 * arm.md (adddi3, adddi_sesidi_di, adddi_sesidi_di): Add
7566 splitters for these patterns. Use "#" for output templates.
7567 (addsi3_carryin_shift): New pattern.
7569 Thu Oct 28 10:20:02 1999 Geoffrey Keating <geoffk@cygnus.com>
7571 * config/rs6000/rs6000.md (movsf): Don't convert a SUBREG
7572 of the function return register into a plain REG until
7573 after function inlining is done.
7575 Wed Oct 27 15:21:46 1999 Richard Henderson <rth@cygnus.com>
7577 * jump.c (jump_optimize_1): If we did cross-jumping, and
7578 the data will matter, rebuild the CFG.
7579 * reg-stack.c (reg_to_stack): Only (re)build the CFG if
7580 not optimizing. Don't run shorten_branches.
7581 * toplev.c (rest_of_compilation): Run shorten_branches after
7584 Wed Oct 27 12:33:40 1999 Mark Mitchell <mark@codesourcery.com>
7586 * rtl.h (note_stores): Add additional paramter.
7587 * rtlanal.c (reg_set_p_1): Take additional paramter.
7588 (reg_set_last_1): Likewise.
7589 (reg_set_p): Adjust call to note_stores.
7590 (reg_set_last): Likewise.
7591 (note_stores): Pass data parameter to worker function.
7592 * alias.c (record_set): Take additional parameter.
7593 (init_alias_analysis): Pass it.
7594 * caller-save.c (mark_set_regs): Take additional parameter.
7595 (save_call_clobbered_regs): Pass NULL to note_stores.
7596 * combine.c (set_nonzero_bits_and_sign_copies): Take additional
7598 (record_dead_and_set_regs_1): Likewise.
7599 (reg_dead_at_p_1): Likewise.
7600 (combine_instructions): Adjust calls to note_stores.
7601 (try_combine): Likewise.
7602 (record_dead_insn): Remove.
7603 (record_dead_and_set_regs): Adjust calls to note_stores.
7604 (reg_dead_at_p): Likewise.
7605 * cse.c (invalidate_skipped_set): Take additional parameter.
7606 (cse_check_loop_start): Likewise.
7607 (cse_check_loop_start_value): Remove.
7608 (cse_set_around_loop): Adjust calls to note_stores.
7609 * flow.c (notice_stack_pointer_modification): Take additional
7610 parameter. Remove duplicate declaration.
7611 (record_volatile_insns): Adjust calls to note_stores.
7612 * gcse.c (record_set_info): Take additional parameter.
7613 (record_last_set_info): Likewise.
7614 (invalidate_nonnull_info): Likewise.
7615 (record_set_insn): Remove.
7616 (compute_sets): Adjust calls to note_stores.
7617 (last_set_insn): Remove.
7618 (compute_hash_table): Adjust calls to note_stores.
7619 (insert_insn_end_bb): Likewise.
7620 (delete_null_pointer_checks): Likewise.
7621 * global.c (mark_reg_store): Take additional parameter.
7622 (mark_reg_clobber): Likewise.
7623 (reg_becomes_live): Likewise.
7624 (global_conflicts): Adjust calls to note_stores.
7625 (build_insn_chain): Likewise.
7626 * integrate.c (note_modified_parmregs): Take additional parameter.
7627 (mark_stores): Likewise. Make it static.
7628 (save_for_inline_nocopy): Adjust calls to note_stores.
7629 (try_constants): Likewise.
7630 * integrate.h (mark_stores): Remove declaration.
7631 * jump.c (mark_modified_reg): Take additional parameter.
7632 (thread_jumps): Adjust calls to note_stores.
7633 * local-alloc.c (validate_equiv_mem_from_store): Take additional
7635 (no_equiv): Likewise.
7636 (reg_is_set): Likewise.
7637 (validate_equiv_mem): Adjust calls to note_stores.
7638 (update_equiv_regs): Likewise.
7639 (block_alloc): Likewise.
7640 * loop.c (note_set_pseudo_multiple_uses_retval): Remove.
7641 (note_addr_stored): Take additional parameter.
7642 (note_set_pseudo_multiple_uses): Likewise.
7643 (record_initial): Likewise.
7644 (prescan_loop): Adjust calls to note_stores.
7645 (strength_reduce): Likewise.
7646 (check_dbra_loop): Likewise.
7647 * regmove.c (flags_set_1): Take additional paramter.
7648 (mark_flags_life_zones): Adjust calls to note_stores.
7649 * reload1.c (mark_not_eliminable): Take additional parameter.
7650 (forget_old_reloads_1): Likewise.
7651 (reload_cse_invalidate_rtx): Likewise.
7652 (reload_cse_check_clobber): Likewise.
7653 (reload_combine_note_store): Likewise.
7654 (move2add_note_store): Likewise.
7655 (reload): Adjust calls to note_stores.
7656 (reload_as_needed): Likewise.
7657 (emit_reload_insns): Likewise.
7658 (reload_cse_regs_1): Likewise.
7659 (reload_cse_record_set): Adjust calls to reload_cse_invalidate_rtx.
7660 (reload_combine): Adjust calls to note_stores.
7661 * resource.c (update_live_status): Take additional paramter.
7662 (mark_target_live_regs): Adjust calls to note_stores.
7663 * stupid.c (find_clobbered_regs): Take additional parameter.
7664 (stupid_life_analysis): Adjust calls to note_stores.
7666 Wed Oct 27 19:26:12 1999 Nick Clifton <nickc@cygnus.com>
7668 * config/arm/coff.h (STRUCTURE_SIZE_BOUNDARY): Delete
7671 * config/arm/elf.h (STRUCTURE_SIZE_BOUNDARY): Delete
7674 * config/arm/arm.h (STRUCTURE_SIZE_BOUNDARY): Define in terms
7675 of the variable arm_structure_size_boundary.
7677 Wed Oct 27 02:05:58 1999 Mark P. Mitchell <mark@codesourcery.com>
7679 * alias.c (init_alias_analysis): Allocate reg_known_value and
7680 reg_known_equiv_p on the heap. Likewise for new_reg_base_value
7682 (end_alias_analysis): Free reg_known_value and reg_known_equiv_p.
7683 * cse.c (cse_main): Call end_alias_analysis.
7684 * haifa-sched.c (schedule_insns): Likewise.
7685 * local-alloc. (update_equiv_regs): Likewise.
7686 * reload1.c (reload_cse_regs): Likewise.
7688 Wed Oct 27 01:49:17 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7690 * sparc/sparc.c (sparc_override_options): Clear MASK_FPU_SET.
7691 * sparc/sparc.h (TARGET_SWITCHES): Add "fpu" entry for reverse
7692 mapping from MASK_FPU.
7694 Wed Oct 27 01:42:26 1999 Scott Christley <scottc@net-community.com>
7696 * sparc.md (call): Don't bound structure return size to 0xfff.
7698 Wed Oct 27 00:56:59 1999 Richard Henderson <rth@cygnus.com>
7700 * resource.c (mark_target_live_regs): Check that the target
7701 insn wasn't created after compute_bb_for_insn.
7703 Tue Oct 26 23:15:03 1999 Mark Mitchell <mark@codesourcery.com>
7705 * ggc-page.c (poison_pages): Don't be overzealous.
7707 Tue Oct 26 23:29:18 1999 Jeffrey A Law (law@cygnus.com)
7709 * alias.c: Update comments for ADDRESS.
7710 (nonlocal_reference_p): Look inside the ADDRESS to determine if
7711 it is a local memory reference.
7713 * c-typeck.c (build_function_call): Check that the built-in
7714 function is of class BUILT_IN_NORMAL before trying to recongize
7716 * calls.c (calls_function_1): Similarly for BUILT_IN_ALLOCA.
7717 * stmt.c (expand_end_cae): Similarly for BUILT_IN_CLASSIFY_TYPE.
7719 Wed Oct 27 00:14:13 1999 Robert Lipe <robertlipe@usa.net>
7721 * gcse.c (expr_reaches_here_p): Use xcalloc and explit free instead
7723 (pre_gcse): Likewise.
7724 (hoist_expr_reaches_here_p): Likewise.
7725 (hoist_code): Likewise.
7726 (pre_expr_reaches_here_p): Replace alloca with xcalloc. Move core
7728 (pre_expr_reaches_here_p_work): ... here.
7729 (expr_reaches_here_p): Replace alloca with xcalloc. Move core
7731 (expr_reaches_here_p_work): ... here.
7733 Tue Oct 26 20:42:45 1999 Richard Henderson <rth@cygnus.com>
7735 * resource.c (find_basic_block): Delete.
7736 (mark_target_live_regs, incr_ticks_for_insn): Use BLOCK_NUM instead.
7737 (init_resource_info): Call compute_bb_for_insn.
7739 Tue Oct 26 20:21:02 1999 Richard Henderson <rth@cygnus.com>
7741 * flow.c (merge_blocks_move_predecessor_nojumps): Cope
7742 with already adjacent blocks, but no fallthru.
7743 (merge_blocks_move_successor_nojumps): Simplify.
7744 (debug_flow_info): New.
7746 * toplev.c (rest_of_compilation): Open jump1 dump file before
7747 jump and close after, as opposed to just using dump_rtl.
7749 Wed Oct 27 03:09:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
7751 * reload.h (earlyclobber_operand_p): Declare.
7752 * reload.c (earlyclobber_operand_p): Don't declare. No longer static.
7753 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
7754 an earlyclobbered output conflict with RELOAD_INPUT reloads - handle
7755 case where the RELOAD_OTHER reload is new. Use earlyclobber_operand_p.
7757 Tue Oct 26 18:23:38 1999 Jan Hubicka <hubicka@freesoft.cz>
7758 Richard Henderson <rth@cygnus.com>
7760 * emit-rtl.c (emit_block_insn_before): New.
7761 (emit_block_insn_after): New.
7762 * basic-block.h: Declare them.
7764 * bitmap.h: Protect from multiple inclusion.
7766 * recog.c (scratch_operand): Handle VOIDmode correctly.
7768 * rtl.h (JUMP_CROSS_JUMP_DEATH_MATTERS): New.
7770 * builtins.c (expand_builtin_apply_args_1): Remove STACK_REGS hack.
7771 * function.c (assign_parms): Likewise.
7772 * global.c (global_conflicts): Clarify STACK_REGS commentary.
7774 * reg-stack.c (max_uid): Remove.
7775 (blocks, block_begin, block_end, block_drops_in): Remove.
7776 (block_stack_in, block_out_reg_set, block_number): Remove.
7777 (struct block_info_def, BLOCK_INFO): New.
7778 (enum emit_where): New.
7779 (current_block): New.
7780 (BLOCK_NUM): Remove.
7781 (mark_regs_pat, record_label_references): Remove.
7782 (record_reg_life_pat, record_reg_life, find_blocks): Remove.
7784 (goto_block_pat, print_blocks, dump_stack_info): Remove.
7785 (reg_to_stack): Simplified test for existance of fp code. Use
7786 flow.c code. Call shorten_branches after cross-jump opt.
7787 (check_asm_stack_operands): Renamed from record_asm_reg_life.
7788 Return false if the asm doesn't use stack regs. Don't do life
7789 analysis on the asm.
7790 (emit_pop_insn): Replace function pointer arg `when' with
7791 enum `where'. Update all callers.
7792 (change_stack): Likewise. Update basic block end.
7793 (emit_swap_insn): Use current_block->head to limit reverse search
7794 for start of block. Use emit_block_insn_after.
7795 (subst_stack_regs_pat): Handle USE and CLOBBER patterns.
7796 (subst_asm_stack_regs): Use check_asm_stack_operands. Use direct
7797 structure assignment instead of bcopy.
7799 (convert_regs_entry, convert_regs_exit): New.
7800 (convert_regs_1, convert_regs_2): Split out from convert_regs.
7801 Work on basic blocks and the CFG.
7802 (convert_regs): Use them.
7804 * i386.c (output_fix_trunc): Remove code for DImode input operand
7805 not at top-of-stack.
7806 * i386.c (fix_truncdfdi2, fix_truncsfdi2): Use scratch with
7808 (fix_truncdi_1): Allow any mode scratch.
7810 Tue Oct 26 13:30:35 1999 Richard Henderson <rth@cygnus.com>
7812 * alpha.h (TARGET_MEM_FUNCTIONS): Define here.
7813 * linux.h, netbsd.h, vms.h: Not here.
7815 1999-10-26 Gavin Romig-Koch <gavin@cygnus.com>
7817 * config/mips/mips.h (ISA_HAS_64BIT_REGS,ISA_HAS_BRANCHLIKELY,
7818 ISA_HAS_FP4,ISA_HAS_CONDMOVE): New.
7819 (GENERATE_BRANCHLIKELY,HAVE_SQRT_P,
7820 CONDITIONAL_REGISTER_USEAGE): Use them.
7821 * config/mips/mips.c (mips_move_1word,mips_move_2words,
7822 gen_conditional_branch,override_options) : Use them.
7823 * config/mips/mips.md : Use them.
7825 Tue Oct 26 13:09:23 1999 Richard Henderson <rth@cygnus.com>
7827 * i386.md (zero_extendqihi2): Use SImode register name with andl.
7829 Tue Oct 26 12:35:38 1999 Richard Henderson <rth@cygnus.com>
7831 * integrate.c (function_cannot_inline_p): Don't allow inlining
7834 Tue Oct 26 14:10:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7836 * c-parse.in (cast_expr): Constify.
7838 * cccp.c (special_symbol): Likewise.
7840 * cse.c (hash_cse_reg_info, cse_reg_info_equal_p): Likewise.
7842 * dwarf2out.c (base_type_die): Likewise.
7844 * global.c (allocno_compare): Likewise.
7846 * local-alloc.c (qty_compare_1, qty_sugg_compare_1): Likewise.
7848 * regclass.c (fix_register): Likewise.
7850 * rtl.h (fix_register): Likewise.
7852 * stupid.c (stupid_reg_compare): Likewise.
7854 * toplev.c (decode_f_option): Likewise.
7856 * tree.c (build_complex_type): Likewise.
7858 Tue Oct 26 18:35:25 1999 Richard Earnshaw <rearnsha@arm.com>
7860 * output.h: Don't unnecessarily conditionalize prototypes on TREE_CODE.
7862 Tue Oct 26 15:42:56 1999 Bernd Schmidt <bernds@cygnus.co.uk>
7864 * reload.c (find_reloads): Compute mode and nregs fields of all
7866 * reload1.c (calculate_needs_all_insns): Simplify a bit.
7867 (calculate_needs): Use precomputed mode/nregs values.
7868 (allocate_reload_reg): Likewise.
7870 (failed_reload, set_reload_reg): ... new functions.
7871 (choose_reload_regs_init): New function, mostly broken out from...
7872 (choose_reload_regs): ... here. Lose all the save_xxx nonsense.
7873 Also lose one #if 0 block.
7875 Tue Oct 26 02:48:32 1999 Marc Espie <espie@cvs.openbsd.org>
7877 * Makefile.in (AR_FOR_TARGET, RANLIB_FOR_TARGET): Fix target name
7880 Tue Oct 26 01:27:32 1999 Mark Mitchell <mark@codesourcery.com>
7882 * tree.h (BLOCK_TYPE_TAGS): Remove.
7883 (BLOCK_END_NOTE): Likewise.
7884 (BLOCK_LIVE_RANGE_FLAG): Likewise.
7885 (BLOCK_LIVE_RANGE_START): Likewise.
7886 (BLOCK_LIVE_RANGE_END): Likewise.
7887 (tree_block): Remove live_range_flag, live_range_var_flag, and
7888 type_tags. Remove end_note, live_range_start, and live_range_end.
7889 (remember_end_note): Remove prototype.
7890 * tree.c (build_block): Don't set BLOCK_TYPE_TAGS.
7891 * c-decl.c (poplevel): Don't set BLOCK_TYPE_TAGS or call
7893 * ggc-common.c (ggc_mark_tree_children): Don't mark
7894 BLOCK_TYPE_TAGS or BLOCK_END_NOTE.
7895 * integrate.c (adjust_copied_decl_tree): Remove.
7896 * print-tree.c (print_node): Don't print BLOCK_TYPE_TAGS.
7897 * stmt.c (last_block_end_note): Remove.
7898 (init_stmt): Don't add a GC root for it.
7899 (expand_fixup): Don't set it.
7900 (remember_end_note): Remove.
7901 (expand_end_bindings): Don't set last_block_end_note.
7903 Tue Oct 26 00:41:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
7905 * reload1.c (reload_reg_free_for_value_p): Show
7906 RELOAD_FOR_OTHER_ADDRESS reloads can conflict with RELOAD_OTHER
7909 Mon Oct 25 23:54:45 1999 Geoff Keating <geoffk@cygnus.com>
7911 * expmed.c (extract_bit_field): Allow for the case of non-integer
7912 objects that are smaller than a word (like SFmode on a 64-bit
7915 * loop.c (basic_induction_var): A non-integer variable which is
7916 being set by a paradoxical subreg is probably not a biv.
7918 1999-10-25 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7920 * prefix.c (translate_name) Check for empty prefix string.
7922 Mon Oct 25 23:10:45 1999 Andreas Schwab <schwab@suse.de>
7924 * Makefile.in (CPP_CROSS_NAME): New variable.
7925 (install-cpp): Use it instead of CPP_INSTALL_NAME for the cross
7927 (uninstall-cpp): Use CPP_INSTALL_NAME and CPP_CROSS_NAME for the
7928 names of the files to be uninstalled.
7930 Mon Oct 25 23:03:09 1999 Jeffrey A Law (law@cygnus.com)
7932 * collect2.c (IS_DIR_SEPARATOR): Define.
7933 (prefix_from_string): Use IS_DIR_SEPARATOR and DIR_SEPARATOR.
7935 * som.h (ASM_DECLARE_FUNCTION_NAME): Set PRIV_LEV for static
7938 * haifa-sched.c (add_dependence): Update the true dependency
7939 cache the first time we add a true dependence to the LOG_LINKS chain.
7941 Mon Oct 25 22:27:40 1999 Jim Kingdon <http://developer.redhat.com/>
7943 * fold-const.c (fold): Fix comment.
7945 Mon Oct 25 22:49:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7947 * dbxout.c (lastfile, cwd, dbxout_type_method_1,
7948 dbxout_symbol_location, dbxout_symbol_name, dbxout_init,
7949 dbxout_start_new_source_file, dbxout_source_file,
7950 dbxout_source_line, dbxout_finish, dbxout_type_fields,
7951 dbxout_type_methods, dbxout_symbol, dbxout_prepare_symbol):
7953 (dbxout_types, dbxout_args, dbxout_symbol): Delete prototypes.
7954 (dbxout_symbol): Mark parameter `local' with ATTRIBUTE_UNUSED.
7955 (dbxout_block): Initialize variable `blocknum'.
7957 * dbxout.h (dbxout_init, dbxout_finish,
7958 dbxout_start_new_source_file, dbxout_source_file, dbxout_types,
7959 dbxout_args, dbxout_source_line): Constify a char*.
7961 * dwarfout.c (dwarf_tag_name, dwarf_attr_name,
7962 dwarf_stack_op_name, dwarf_typemod_name, dwarf_fmt_byte_name,
7963 dwarf_fund_type_name, name_attribute, stmt_list_attribute,
7964 low_pc_attribute, high_pc_attribute, body_begin_attribute,
7965 body_end_attribute, comp_dir_attribute, sf_names_attribute,
7966 src_info_attribute, mac_info_attribute, producer_attribute,
7967 lookup_filename, generate_macinfo_entry, fundamental_type_code,
7968 dwarfout_line, dwarfout_start_new_source_file, dwarfout_define,
7969 dwarfout_undef): Constify a char*.
7970 (add_incomplete_type, retry_incomplete_types): Add prototypes.
7972 * dwarfout.h (dwarfout_define, dwarfout_undef,
7973 dwarfout_start_new_source_file, dwarfout_line): Constify a char*.
7975 1999-10-25 Gavin Romig-Koch <gavin@cygnus.com>
7977 * config/mips/mips.h (MIPS_ISA_DEFAULT): Insure it's defined.
7978 (MULTILIB_ISA_DEFAULT): New.
7979 (MULTILIB_DEFAULTS): Use it.
7980 * config/mips/mips.c (): Remove the now unnecessary definition
7981 of MIPS_ISA_DEFAULT.
7982 * config/mips/elf64.h (MULTILIB_DEFAULTS): Remove the now
7983 unnecessary definition.
7985 Mon Oct 25 22:08:35 1999 Richard Earnshaw (rearnsha@arm.com)
7987 * arm.md (pic_load_addr): Add constraints to operand 1.
7989 1999-10-25 Bruce Korb <autogen@linuxbox.com>
7991 * fixinc/genfixes: Provide a means for specifying -D options to
7994 Mon Oct 25 00:42:35 1999 Jeffrey A Law (law@cygnus.com)
7996 * arm.c (arm_override_options): Correct initialization of
7997 arm_fast_multiply, arm_arch4, arm_arch5, arm_ld_sched,
7998 arm_is_strong, and arm_is_6_or_7.
8000 * loop.c (note_set_pseudo_multiple_uses_retval): New variable.
8001 (note_set_pseudo_multiple_uses): New function.
8002 (check_dbra_loop): Use not_set_pseudo_multiple_uses to determine
8003 if a pseudo set in the loop exit is used elsewhere.
8005 Sun Oct 24 20:52:40 1999 Mark Mitchell <mark@codesourcery.com>
8007 * i386.md (mulsi3): Tweak to work with SCO OSR5 COFF assembler.
8009 Sun Oct 24 21:02:46 1999 Richard Henderson <rth@cygnus.com>
8011 * i386.md (*lea_0): Collapse addsi_0, addsi_lea_[123] into
8012 a single load-address pattern.
8014 Sun Oct 24 19:33:24 1999 Mark P. Mitchell <mark@codesourcery.com>
8016 * haifa-sched.c (schedule_insns): Don't assign LUIDs differently
8017 depending on whether or not line-number notes are present.
8019 Sun Oct 24 20:29:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8021 * cccp.c (progname, file_buf, default_include, include_file,
8022 macrodef, definition, hashval, wchar_type, user_label_prefix,
8023 directive, out_fname, if_stack, safe_write, index0, get_lintcmd,
8024 expand_to_temp_buffer, is_system_include, base_name,
8025 absolute_filename, read_name_map, open_include_file,
8026 record_control_macro, check_precompiled, check_preconditions,
8027 pcfinclude, pass_thru_directive, create_definition,
8028 check_macro_name, comp_def_part, collect_expansion,
8029 check_assertion, read_token_list, assertion_install,
8030 assertion_lookup, eval_if_expression, conditional_skip,
8031 validate_else, skip_quoted_string, quote_string, macarg1,
8032 error_from_errno, install, lookup, hashf, dump_defn_1,
8033 perror_with_name, pfatal_with_name, main, trigraph_pcp,
8034 check_white_space, rescan, handle_directive, monthnames,
8035 special_symbol, do_include, remap_include_file, write_output,
8036 arglist, do_assert, do_unassert, do_line, do_error, do_once,
8037 do_ident, do_sccs, do_xifdef, skip_if_group,
8038 output_line_directive, macroexpand, macarg, change_newlines,
8039 initialize_builtins, make_definition): Constify a char*.
8041 * pcp.h (stringdef): Likewise.
8043 Sun Oct 24 13:29:28 1999 Richard Henderson <rth@cygnus.com>
8045 * unroll.c (copy_loop_body): Examine SET_DEST of single_set
8048 Sun Oct 24 13:14:20 1999 Graham <grahams@rcp.co.uk>
8049 Richard Henderson <rth@cygnus.com>
8051 * alias.c: Include ggc.h.
8052 (reg_base_value, new_reg_base_value, reg_base_value_size): Make static.
8053 (record_set): Verify enough room in reg_base_value.
8054 (init_alias_analysis): Allocate reg_base_value with xcalloc.
8055 Register it as a GC root.
8056 (end_alias_analysis): Free reg_base_value. Remove it as a GC root.
8057 * Makefile.in (alias.o): Depend on ggc.h.
8059 * unroll.c (unroll_loop): Verify the insn before a barrier
8060 is a JUMP_INSN before checking JUMP_LABEL.
8062 Sun Oct 24 15:46:44 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8064 * mips/bsd-5.h (ASM_OUTPUT_ASCII): Constify a char*.
8065 * mips/iris4.h (ASM_OUTPUT_ASCII): Likewise.
8066 * mips/mips-5.h (ASM_OUTPUT_ASCII): Likewise.
8067 * mips/mips.h (ASM_OUTPUT_ASCII): Likewise.
8068 * mips/svr3-5.h (ASM_OUTPUT_ASCII): Likewise.
8069 * mips/svr4-5.h (ASM_OUTPUT_ASCII): Likewise.
8071 Sun Oct 24 15:35:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8073 * output.h (ctors_section, dtors_section, bss_section): Prototype.
8075 * alpha/alpha-interix.h (text_section): Delete prototype.
8076 * alpha/elf.h (text_section): Likewise.
8077 * arm/linux-elf.h (text_section): Likewise.
8078 * arm/linux-telf.h (text_section): Likewise.
8079 * c4x/c4x.h (text_section): Likewise.
8080 * dsp16xx/dsp16xx.h (bss_section): Likewise.
8081 * elfos.h (text_section): Likewise.
8082 * i386/aix386ng.h (text_section): Likewise.
8083 * i386/i386-interix.h (text_section): Likewise.
8084 * i386/sco5.h (text_section): Likewise.
8085 * i386/svr3gas.h (text_section): Likewise.
8086 * nextstep.h (text_section): Likewise.
8087 * psos.h (text_section): Likewise.
8088 * ptx4.h (text_section): Likewise.
8089 * svr3.h (text_section): Likewise.
8090 * svr4.h (text_section, ctors_section, dtors_section): Likewise.
8092 Sun Oct 24 15:20:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8094 * final.c (peephole): Delete prototype.
8096 * gcse.c (process_insert_insn, pre_edge_insert): Add prototypes.
8097 (pre_insert_copies): Remove unused variable `bb'.
8099 * genrecog.c (debug_decision_0, debug_decision_list, main): Add
8102 * output.h (peephole): Add prototype.
8104 Sun Oct 24 11:35:30 1999 Mark P. Mitchell <mark@codesourcery.com>
8106 * config/mips/iris6.h (SUBTARGET_ASM_OPTIMIZING_SPEC): Define to
8109 Sat Oct 23 21:13:00 1999 Mark Mitchell <mark@codesourcery.com>
8111 * integrate.c (integrate_decl_tree): Tweak setting of DECL_CONTEXT
8112 for inlined declarations.
8114 Fri Oct 22 18:05:43 1999 Jeffrey A Law (law@cygnus.com)
8116 * arm.c (logical_binary_operator): New fucntion.
8117 * arm.h (logical_binary_operator): Declare it.
8118 (PREDICATE_CODES): Handle logical_binary_operator.
8119 * arm.md (anddi3, anddi_zesidi_di, anddi_sesdi_di): Use "#" for
8120 output constraints. Add appropriate splitters.
8121 (anddi_notdi_di, anddi_notzesidi_di, anddi_notsesidi_di): Likewise.
8122 (iordi3, iordi_zesidi_di, iordi_sesidi_di): Likewise.
8123 (xordi3, xordi_zesidi_di, xordi_sesidi_di): Likewise.
8125 Fri Oct 22 23:46:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8127 * genoutput.c (struct operand_data): New elt eliminable.
8128 (output_operand_data): Write it.
8129 (scan_operands): Set it for MATCH_OPERAND, clear for other matchers.
8130 (compare_operands): Take it into account.
8131 * recog.h (struct insn_operand_data): New elt eliminable.
8132 * reload1.c (check_eliminable_occurrences, elimination_effects): New
8134 (old_asm_operands_vec, new_asm_operands_vec): Delete.
8135 (eliminate_regs): Move code that detects changes to elimination
8136 target regs into new function elimination_effects.
8137 Delete one #if 0 block.
8138 Abort for USE, CLOBBER, ASM_OPERANDS and SET.
8139 (eliminate_regs_in_insn): Return immediately for USEs, CLOBBERs,
8140 ADDR_VECs, ADDR_DIFF_VECs and ASM_INPUTs.
8141 Only call eliminate_regs for real operands of the insn, not for parts
8142 of its structure or parts matched by things like match_operator.
8143 Use elimination_effects and check_eliminable_occurrences. Use
8144 copy_insn to duplicate the pattern when not in the final pass.
8146 Fri Oct 22 09:03:44 1999 Mark Mitchell <mark@codesourcery.com>
8148 * i386.md: Add missing `y' modifiers to uses of fst, fstp, fld,
8151 1999-10-22 Bruce Korb <autogen@linuxbox.com>
8153 * fixinc/README: document the "mach" machine matching test
8154 * fixinc/fixfixes.c: Implement the #else/#endif label fix
8155 * fixinc/fixtests.c: Implement the #else/#endif label test
8156 * fixinc/inclhack.def: utilize these tests and fixes
8157 * fixinc/inclhack.sh: regen
8158 * fixinc/fixincl.x: regen
8159 * fixinc/fixincl.sh: regen
8161 Thu Oct 21 20:37:19 1999 Jeffrey A Law (law@cygnus.com)
8163 * Makefile.in (cse.o): Depend on hashtab.h, not splay-tree.h. Also
8166 Thu Oct 21 20:30:19 1999 Matthias Klose <doko@debian.org>
8168 * gcc.1: Document exit codes.
8170 Thu Oct 21 12:49:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8172 * calls.c: Include tm_p.h later, so everything we need is defined.
8174 * function.c: Likewise.
8176 * except.c: Include tm_p.h.
8178 * sparc.c: Likewise.
8179 (dwarf2out_cfi_label): Don't prototype.
8180 (check_return_regs, epilogue_renumber,
8181 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
8182 ultra_find_type, ultra_build_types_avail, ultra_flush_pipeline,
8183 ultra_rescan_pipeline_state, set_extends, ultra_code_from_mask,
8184 ultra_schedule_insn): Add static prototype.
8185 (data_segment_operand, text_segment_operand): Call itself with the
8186 proper number of arguments.
8187 (sparc_flat_save_restore, sparc_v8plus_shift): Constify a char*.
8189 * sparc.h: Move all declarations to sparc-protos.h.
8190 (SELECT_RTX_SECTION): Pass a missing MODE argument to
8193 * sparc/sysv4.h (SELECT_RTX_SECTION): Likewise.
8195 * config/svr4.h (text_section, ctors_section, dtors_section): Add
8197 (ASM_OUTPUT_SECTION_NAME, UNIQUE_SECTION,
8198 ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
8199 ASM_OUTPUT_ASCII): Constify a char*.
8201 * sparc-protos.h: New file for sparc prototypes.
8203 Thu Oct 21 12:23:40 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8205 * function.c (record_insns, contains): Always declare and define.
8206 (record_insns): Mark with ATTRIBUTE_UNUSED.
8208 Thu Oct 21 13:03:49 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
8210 * config/arm/telf.h (ASM_OUTPUT_SECTION_NAME): Add %nobits option
8211 to .section when outputting a .bss section to deal with multiple
8212 .bss input sections (as happens with -fdata-sections)
8213 Also output %progbits, not @progbits so the assembler doesn't treat as
8215 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Likewise
8217 * config/arm/lib1funcs.asm (_call_via_rX): Allow compilation of
8218 thumb parts even when building with non-thumb CPUs, by forcing
8221 Wed Oct 20 22:57:58 1999 Jeffrey A Law (law@cygnus.com)
8223 * sparc.md (movsf_const_intreg): If splitting, length must be > 1.
8224 (movdf_const_intreg_sp64): Similarly.
8226 * local-alloc.c (update_equiv_regs): Check the correct insn
8227 for pre-existing REG_EQUIV notes.
8229 Wed Oct 20 20:41:46 1999 Mark Mitchell <mark@codesourcery.com>
8231 * cse.c (cse_end_of_basic_block): Don't return the end of a basic
8232 block reached by a branch if we're not going to actually process
8235 Wed Oct 20 15:18:42 1999 Jim Wilson <wilson@cygnus.com>
8237 * integrate.c (integrate_decl_tree): Set DECL_CONTEXT to 0 if this is
8238 a local extern function declaration.
8240 Wed Oct 20 13:56:01 1999 Richard Henderson <rth@cygnus.com>
8242 * i386.c (ix86_expand_prologue): Properly wrap USE around
8243 reg for CALL_INSN_FUNCTION_USAGE.
8245 Thu Oct 14 18:51:37 1999 Andrew Haley <aph@cygnus.com>
8247 * config/mips/mips.md (movdf_internal1a): Allow floating-point
8248 move between GP_REGs.
8250 Wed Oct 20 15:36:11 1999 Andrew Haley <aph@cygnus.com>
8252 * config/arm/thumb.h (GO_IF_LEGITIMATE_ADDRESS): Take account of
8253 the mode size when finding out if an offset is legal.
8255 Wed Oct 20 06:26:58 1999 Richard Henderson <rth@cygnus.com>
8257 * basic-block.h (PROP_*): Move constants from ...
8259 (compute_bb_for_insn): Free the array before reallocating.
8260 (update_life_info): New arg PROP_FLAGS; pass on to propagate_block.
8261 (allocate_reg_life_data): Reset all reg variables collected by
8263 (get_block_head_tail): Don't convert from bb to block.
8264 (get_bb_head_tail): New. Update all callers of get_block_head_tail.
8265 (find_insn_reg_weight): Take block not bb.
8266 (schedule_block): Don't set block num for moved insns.
8267 (schedule_region): Don't update_life_info or find_insn_reg_weight.
8268 (schedule_insns): Do it here instead.
8269 * combine.c (combine_instructions): Invoke compute_bb_for_insn
8270 before update_life_info.
8271 * recog.c (split_all_insns, peephole2_optimize): Update for
8272 new arg to update_life_info.
8273 * rtlanal.c (remove_note): Cope with NULL note.
8274 * toplev.c (rest_of_compilation): Don't invoke recompute_reg_usage
8277 Wed Oct 20 10:46:41 1999 Richard Earnshaw (rearnsha@arm.com)
8279 * jump.c (jump_optimize_1): More accurately detect casesi insns.
8281 * flow.c (merge_blocks_move_predecessor_nojumps): Re-order the basic
8282 block records so that merge_blocks_nomove will clean up correctly.
8283 (split_edge): Handle casesi insns.
8285 * gcc-page.c: Try MAP_ANON if we don't have MAP_ANONYMOUS.
8287 Tue Oct 19 23:43:50 1999 Jeffrey A Law (law@cygnus.com)
8289 * pa.md (call, call_value): Do not emit a blockage after restoring
8292 Tue Oct 19 17:22:39 1999 Mark Mitchell <mark@codesourcery.com>
8294 * c-typeck.c (c_expand_asm_operands): Fix typo.
8296 Tue Oct 19 18:42:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8298 * arm.c (fpu_rhs_operand): Verify modes.
8299 (fpu_add_operand): Likewise.
8300 (di_operand): Likewise.
8301 (soft_df_operand): Likewise.
8303 Tue Oct 19 15:26:11 1999 Richard Earnshaw (rearnsha@arm.com)
8305 * arm.c (arm_return_in_memory): APCS rules state that the elements
8306 of a structure returned in a register must be 'integer-like'.
8308 1999-10-19 Bruce Korb <autogen@linuxbox.com>
8310 * fixinc/Makefile.in: Change the generation rules to run `genfixes'
8311 in the source tree when the generated targets are out of date
8312 * fixinc/genfixes: Alter it to run individual fixes for make.
8313 * fixinc/README: rewrite
8314 * fixinc/inclhack.def: moved initial comments to README
8316 Tue Oct 19 14:01:34 1999 Nick Clifton <nickc@cygnus.com>
8318 * toplev.c (main): Do not generate an error message if an
8319 unrecognised command line switch is recognisable by another
8320 language. If extra_warnings are enabled, then generate a
8321 warning message instead.
8323 Tue Oct 19 11:41:12 1999 Mumit Khan <khan@xraylith.wisc.edu>
8325 * c-pragma.h (PRAGMA_INSERT_ATTRIBUTES): Delete macro.
8326 (insert_pack_attributes): Delete prototype.
8328 * c-pragma.c (default_alignment): New static variable.
8329 (push_alignment): Initialize to current effective alignment.
8330 (pop_alignment): Use to set new alignment.
8331 (insert_pack_attributes): Delete function.
8332 (handle_pragma_token): Set default_alignment as well each time
8333 a #pragma pack(<n>) is encountered.
8335 Tue Oct 19 02:03:00 1999 Jeffrey A Law (law@cygnus.com)
8337 * reg-stack.c (stack_result): Aggregates are not returned in
8340 Tue Oct 19 01:26:48 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
8342 * fold-const.c (fold): Fix thinko in x+(-0) -> x transformation.
8344 Mon Oct 18 15:19:41 1999 Richard Henderson <rth@cygnus.com>
8346 * basic-block.h (set_block_num): Declare.
8347 * flow.c (update_life_info): Don't call compute_bb_for_insn
8348 or free_basic_block_vars.
8349 * haifa-sched.c (remove_dependence): Conditionalize on HAVE_cc0.
8350 (insn_orig_block): Remove.
8351 (INSN_BLOCK): Remove. Update all callers to use BLOCK_NUM.
8352 (schedule_block): Keep BLOCK_NUM up-to-date.
8353 (schedule_insns): Use compute_bb_for_insn.
8354 * recog.c (split_all_insns): Likewise.
8355 (peephole2_optimize): Likewise.
8357 Mon Oct 18 18:50:51 1999 Andreas Schwab <schwab@suse.de>
8359 * config/m68k/m68k.h (INITIAL_FRAME_POINTER_OFFSET): Add one word
8360 if the pic register is used.
8362 Mon Oct 18 02:38:46 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8364 * c-decl.c (pushdecl): Use TYPE_CONTEXT rather than TREE_PERMANENT.
8365 (finish_decl): Duplicate test for TREE_ASM_WRITTEN in else branch of
8366 if that tests TREE_PERMANENT.
8368 Mon Oct 18 01:41:35 1999 Jeffrey A Law (law@cygnus.com)
8370 * cse.c (invalidate_for_call): Do not remove memory references from
8371 the table here. It's handled elsewhere.
8373 * haifa-sched.c (add_dependence): Protect references to the
8374 true dependency cache with #ifdef INSN_SCHEDULING.
8375 (remove_dependence): Similarly.
8377 * mn10200.md (outline_epilogue_jump): Embed a (return) to indicate
8378 to the cfg code that this is a return instruction.
8379 * mn10300.md (return_internal): Similarly.
8381 * combine.c (get_last_value): If the last set of a register
8382 is after subst_low_cuid, then we can not use it to determine
8383 the register's last value.
8385 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
8387 * Makefile.in: Back out previous change.
8389 Sun Oct 17 15:22:50 1999 Jeffrey A Law (law@cygnus.com)
8391 * pa.c (move_operand): Reject (lo_sum (reg) (unspec ...)).
8393 * haifa-sched.c (add_dependence): Only check/update the cache
8395 (remove_dependence): Likewise.
8396 (schedule_insns): Only create the true_dependency_cache if the
8397 average number of instructions in a basic block is very large.
8399 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
8401 * Makefile.in (ggc-common.o): Depend on genrtl.h.
8402 (ggc-simple.o): Likewise.
8403 (ggc-page.o): Likewise.
8405 Sun Oct 17 02:09:50 1999 Andrew MacLeod <amacleod@cygnus.com>
8407 * basic-block.h (pre_edge_lcm, pre_edge_rev_lcm, compute_available):
8408 Prototype for exported functions.
8409 (pre_lcm, pre_rev_lcm): Remove prototypes.
8410 * gcse.c (compute_ae_kill): Add ae_gen and ae_kill as parameters.
8411 (compute_available): Move to lcm.c, and change parameter order.
8412 (one_classic_gcse_pass): Call compute_ae_kill with parameters.
8413 (pre_insert, s_preds, s_succs, num_preds, num_succs): Delete.
8414 (gcse_main): No longer call compute_preds_succs. Rebuild the
8415 set table after reach pre pass.
8416 (pre_insert_map, pre_delete_map, edge_list): New.
8417 (alloc_pre_mem): Allocate edge vectors.
8418 (free_pre_mem): Delete edge vectors.
8419 (compute_pre_data): Call new edge based lcm routines.
8420 (process_insert_insn): New function.
8421 (insert_insn_end_bb): Use it.
8422 (pre_edge_insert): New function.
8423 (pre_insert_copy_insn): Formatting fixes. Update BLOCK_END as
8425 (pre_insert_copies): Revamp using new edge based lcm outputs.
8426 (pre_delete): Likewise.
8427 (one_pre_gcse_pass): Insert & remove fake edges to the exit
8429 (compute_code_hoist_vbeinout): New new edge based routines.
8430 * lcm.c: Remove all the old LCM functions. Replace with new ones
8431 that work with the new cfg datastructures and work with edges
8434 Sun Oct 17 00:44:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8436 * reload.h (struct reload): Add new fields "mode" and "nregs".
8437 * reload1.c: Change all occurrences of reload_mode and reload_nregs
8438 to reference the "mode" and "nregs" field within struct reload.
8440 Sat Oct 16 21:50:28 1999 Jeffrey A Law (law@cygnus.com)
8442 * haifa-sched.c (true_dependency_cache): New.
8443 (add_dependence): Use the true dependency cache to avoid expensive
8444 walks down the LOG_LINKS dependency list. Add entries to the
8446 (remove_dependence): Remove entries from the true dependency cache
8448 (schedule_insns): Allocate and initialize and free the true
8451 * haifa-sched.c (schedule_insns): Do not remove inter-block
8452 dependencies anymore.
8454 Sat Oct 16 11:19:52 1999 Richard Henderson <rth@cygnus.com>
8456 * i386/t-cygwin (winnt.o): Depend on RTL_H and TREE_H.
8457 * i386/t-winnt: Likewise.
8459 Sat Oct 16 11:11:54 1999 Richard Henderson <rth@cygnus.com>
8461 * ggc-page.c (init_ggc): Work around SunOS unaligned mmap bug.
8463 1999-10-16 Manfred Hollstein <mhollstein@cygnus.com>
8465 * Makefile.in (LANGUAGES): Omit "proto".
8466 (clean): Remove stale comment about removing unprotoize.c.
8468 Sat Oct 16 11:29:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8470 * protoize.c (safe_read, safe_write): Avoid the gcc extension of
8471 using arithmetic on void pointers.
8473 Sat Oct 16 02:48:22 1999 Jeffrey A Law (law@cygnus.com)
8475 * haifa-sched.c (compute_block_forward_dependencies): Only check
8476 for notes, deleted insns and duplicates if ENABLE_CHECKING is defined.
8478 Sat Oct 16 00:07:01 1999 Richard Henderson <rth@cygnus.com>
8480 * gcse.c (hash_expr_1): Add in MEM_ALIAS_SET.
8481 (expr_equiv_p): Reject memories with different alias sets.
8483 Fri Oct 15 15:17:29 1999 Greg McGary <gkm@gnu.org>
8485 * flags.h (flag_bounds_check, flag_bounded_pointers): New extern decls.
8486 * toplev.c (flag_bounds_check, flag_bounded_pointers): New flags.
8487 (f_options): Add "bounded-pointers" and "bounds-check" entries.
8488 * c-lang.c (lang_init_options): Set flag_bounds_check as "unspecified".
8489 (lang_init): Set default for flag_bounds_check if still "unspecified".
8491 Sat Oct 16 13:42:29 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8493 * config/c4x/c4x.md (HF mode patterns): Add missing modes.
8495 Sat Oct 16 13:37:46 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8497 * config/c4x/c4x.md (movstrqi_small): Utilise parallel move
8500 Sat Oct 16 13:26:47 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8502 * config/c4x/c4x.md (*db_noclobber,
8503 *decrement_and_branch_until_zero_noclobber): New patterns and
8504 associated splitters.
8506 Sat Oct 16 13:13:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8508 * config/c4x/c4x.md (parallel instruction patterns): Rework
8509 constraints to keep reload happy.
8511 Sat Oct 16 13:03:16 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8513 * config/c4x/c4x.md (*absqi2_noclobber, *negqi2_noclobber,
8514 *one_cmplqi2_noclobber, *subqi3_noclobber, *andqi3_255_noclobber,
8515 *andqi3_65535_noclobber, *andnqi3_noclobber, *xorqi3_noclobber):
8516 Add new patterns and associated post-reload splitters.
8518 Sat Oct 16 12:42:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8520 * config/c4x/c4x.c (c4x_emit_libcall): Use ggc_alloc_string.
8522 Sat Oct 16 12:34:44 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8524 * config/c4x/c4x.c (c4x_rptb_insert): Emit rpts_top pattern
8526 * config/c4x/c4x.md (rpts_top): New pattern and splitter.
8528 Sat Oct 16 12:26:30 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8530 * config/c4x/c4x.c (src_operand): Check SYMBOL_REF and LABEL_REF
8533 Fri Oct 15 17:02:09 1999 Jeffrey A Law (law@cygnus.com)
8535 * pa.c (move_operand): Rely on memory_address_p to determine the
8536 validity of non-indexed memory addresses.
8537 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow LO_SUM with a symbolic
8538 operand in DFmode and SFmode when generating PA2.0 code.
8540 Fri Oct 15 14:25:19 1999 Richard Henderson <rth@cygnus.com>
8542 * print-rtl.c (print_rtx): Limit last 'u' change to LABEL_REF.
8544 Fri Oct 15 13:48:45 1999 Richard Henderson <rth@cygnus.com>
8546 * mips.c (function_prologue): Fix argument types.
8547 * mips.md (casesi): Use emit_jump_insn for casesi_internal.
8548 (casesi_internal): Write to the scratch register.
8550 1999-10-15 11:16 -0700 Zack Weinberg <zack@bitmover.com>
8552 * cppexp.c (cpp_parse_escape): Make static. Change second arg
8554 (parse_charconst): Delete unnecessary cast when calling
8556 (cpplib.h): Kill prototype of cpp_parse_escape.
8558 Fri Oct 15 11:02:46 1999 Richard Henderson <rth@cygnus.com>
8560 Based on patch from Michael Gschwind <mikeg@watson.ibm.com>:
8561 * unroll.c (unroll_loop): Cast return value of alloca.
8562 * i370/i370.c: Include function.h and toplev.h.
8563 (i370_label_scan): Remove c++ commented abort.
8564 * i370/i370.h (HANDLE_PRAGMA): Takes three arguments.
8565 (ASM_OUTPUT_LABELREF): Fix TOUPPER/else broken 16 Sept.
8566 * i370/xm-i370.h (HOST_BITS_PER_LONGLONG): Define.
8567 * i370/xm-mvs.h, i370/xm-oe.h: Likewise.
8569 Fri Oct 15 03:01:01 1999 Loren Rittle <ljrittle@acm.org>
8571 * config/t-freebsd: Do not override USER_H.
8572 * ginclude/stddef.h: Generalize check for _MACHINE_ANSI_H_.
8574 Fri Oct 15 02:37:28 1999 Alastair J. Houghton <ajh8@doc.ic.ac.uk>
8575 Mumit Khan <khan@xraylith.wisc.edu>
8577 * c-parse.in (component_decl): Support anonymous struct/union.
8579 * c-parse.y: Regenerate.
8580 * c-parse.c: Likewise.
8581 * objc/objc-parse.y: Likewise.
8582 * objc/objc-parse.c: Likewise.
8583 * c-decl.c (finish_struct): Don't sort the fields.
8584 (field_decl_cmp): Delete unused function.
8586 Fri Oct 15 01:20:52 1999 Richard Henderson <rth@cygnus.com>
8588 * sparc.md (movsf_const_intreg): Revert last constraint change.
8589 (movdf_const_intreg_sp32): Likewise.
8591 Fri Oct 15 01:47:51 1999 Vladimir Makarov <vmakarov@loony.cygnus.com>
8593 * cse.c: Include hashtab.h instead of splay-tree.h
8594 (struct cse_reg_info): No longer use variant union. Add new
8595 field "regno". All references changed to avoid union.
8596 (cse_reg_info_used_list, cse_reg_info_used_list_end): New variables.
8597 (free_cse_reg_info): Remove.
8598 (hash_cse_reg_info, cse_reg_info_equal_p): New functions.
8599 (get_cse_reg_info): Revamp to use expandable hash tables instead
8600 of splay trees. Initialize new fields in cse_reg_info structure.
8601 (new_basic_block): Similarly.
8603 Thu Oct 14 23:51:56 1999 Richard Henderson <rth@cygnus.com>
8605 * genrecog.c (message_with_line): Prototype.
8606 (validate_pattern): Pass along the set for the dest, not a flag.
8607 Fix non-lvalue message. Don't warn for VOIDmode SET_DEST of CALL.
8608 Check for PC/CC0 as sources.
8609 (nodes_identical): Check for children position match before
8610 allowing the combination.
8612 * rtl.c (read_rtx): Track line number across \\\n.
8614 Thu Oct 14 23:50:25 1999 Richard Henderson <rth@cygnus.com>
8616 * mips.h (SPECIAL_MODE_PREDICATES): New.
8617 * mips.md (*) Use nonimmediate_operand not general_operand for outputs.
8618 (movdi+1, movsi+1): Add output reload constraint.
8619 (casesi_internal): Likewise. Fix commentary.
8620 (return_internal): Use pmode_register_operand.
8622 Thu Oct 14 23:19:34 1999 Richard Henderson <rth@cygnus.com>
8624 * 1750a.md (movstrqi): Add missing output reload constraint.
8625 (call_value): Likewise.
8626 * a29k.md (cpxxx patterns): Add missing match_operator mode.
8627 (jmpfdec): Add missing inout reload constraint.
8628 * elxsi.md (addsi patterns): Add missing output reload constraint.
8629 (move from sp): Use @ alternates.
8630 (call_value): No constraint on output.
8631 * fr30.md (movsi_pop): Add missing output reload constraint.
8632 (movsf_constant_store): Likewise.
8633 (splits): Remove constraints.
8634 (subsi3): Add missing mode.
8635 * i370.md (cmpstrsi+1): Add missing output reload constraint.
8636 (call_value): Likewise.
8637 * i960.md (cmpinc/cmpdec patterns): Add inout reload constraints.
8638 * m32r.h (PREDICATE_CODES): Add seth_add3_operand.
8639 * m32r.md (movsicc_internal): Add output reload constraint.
8640 (movstrsi_internal): Add inout reload constraints.
8641 * m88k.h (reg_names): Don't declare.
8642 (SPECIAL_MODE_PREDICATES): New.
8643 * m88k.md (*): Use register_operand not reg_or_0_operand
8645 * mn10200.h (PREDICATE_CODES): New.
8646 * ns32k.md (ffs pattern): Add output reload constraint.
8647 * pdp11.md (sob pattern): Add inout reload constraint.
8648 * sh.md (splits): Remove constraints.
8649 (indirect_jump_scratch, fpu_switch): Add output reload constraint.
8650 * v850.md (pattern_is_ok_for_epilogue): Likewise.
8651 * vax.md (jgequ pattern): Add inout reload constraint.
8653 Fri Oct 15 00:05:00 1999 Jeffrey A Law (law@cygnus.com)
8655 * configure.in (djgpp): Revert previous patch.
8656 * configure: Rebuit.
8657 * config/i386/djgpp.h: Revert previous patch.
8659 Fri Oct 15 00:00:24 1999 Loren J. Rittle <ljrittle@acm.org>
8661 * fixinc/inclhack.def: Restore patch lost during last merge of
8662 "no_bogosity" branch.
8663 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
8665 Thu Oct 14 23:57:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
8667 * fixincludes: Add a HPUX 11 fix for inttypes.h.
8668 * fixinc/inclhack.def: Same.
8669 * fixinc/inclhack.sh, fixinc/fixincl.sh, fixinc/fixincl.x: Regenerate.
8671 Thu Oct 14 22:51:55 1999 Richard Henderson <rth@cygnus.com>
8673 * alpha.h (GO_IF_LEGITIMATE_SIMPLE_ADDRESS): Accept ADDRESSOF
8674 as the base of a PLUS.
8676 Fri Oct 15 18:36:07 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8678 * config/c4x/c4x.md: Define mode for remaining unspec operators.
8679 * config/c4x/c4x.c (dst_operand): Use nonimmediate_operand.
8681 Thu Oct 14 22:14:23 1999 Richard Henderson <rth@cygnus.com>
8683 * pa.md (post_stw+1): Use pmode_register_operand.
8684 (dcacheflush, icacheflush): Likewise.
8686 * i386.md (movstricthi_1): Allow r/r.
8688 Thu Oct 14 19:44:08 1999 Jan Hubicka <hubicka@freesoft.cz>
8690 * fold-const.c (fold): Convert (or (not arg0) (not arg1))
8691 to (not (and (arg0) (arg1))). Similary for and.
8693 * fold-const.c (fold): Move bit_rotate code to the EXPR_PLUS case,
8694 fallthrough to associate code.
8695 Convert XOR to OR in code like (a&c1)^(a&c2) where c1 and c2 don't have
8698 * combine.c (simplify_logical): Convert XOR to IOR if operands have
8699 no bits in common; remove XOR to ROTATE conversion.
8701 Fri Oct 15 17:40:11 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8703 * config/c4x/c4x.h (c4x_va_start, c4x_va_arg): Declare.
8705 Fri Oct 15 17:27:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8707 * config/c4x/c4x.c (dst_operand): New.
8708 (PREDICATE_CODES): Update.
8709 * config/c4x/c4x.h (dst_operand): Declare it.
8710 * config/c4x/c4x.md: Define mode for each unspec usage.
8711 (move patterns): Use dst_operand predicate instead of src_operand.
8712 (movqi_update, movqf_update): Delete.
8714 Thu Oct 14 18:48:54 1999 Richard Henderson <rth@cygnus.com>
8716 * recog.c (pmode_register_operand): New.
8717 * recog.h: Declare it.
8718 * genrecog.c (pred_codes): Likewise.
8719 (special_mode_pred_table): Likewise.
8720 (validate_pattern): Don't warn no mode for address_operand.
8722 * print-rtl.c (print_rtx) [LABEL_REF]: Only do full subexpression
8723 if the operand is not insn-like.
8725 Thu Oct 14 19:38:42 1999 Jeffrey A Law (law@cygnus.com)
8726 Sylvian Pion <Sylvain.Pion@sophia.inria.fr>
8728 * fold-const.c (fold): Handle more simplifications allowed by IEEE.
8730 Thu Oct 14 17:30:14 1999 Richard Henderson <rth@cygnus.com>
8732 * sparc.md (*): Use {nonimmediate,register}_operand as appropriate
8733 instead of general_operand in a SET_DEST. Use const_double_operand
8734 instead of an explicit test against CONST_DOUBLE.
8735 (movsf_const_lo): Add missing register mode.
8736 (goto_handler_and_restore): Add auxiliary test for Pmode.
8737 (flush): Adjust to use address_operand.
8738 (return_sf_no_fpu): Add missing output constraint.
8740 Thu Oct 14 17:21:26 1999 Richard Henderson <rth@cygnus.com>
8742 * rs6000.md (call_value_indirect_aix32): Use wildcard match_operand
8743 for call return value.
8744 (call_value_indirect_aix64, call_value_indirect_nt): Likewise.
8746 Thu Oct 14 13:54:25 1999 Jason Merrill <jason@yorick.cygnus.com>
8748 * toplev.c (main): Only warn about options for other languages.
8749 * collect2.c (main): Pass -w to sub-gcc.
8751 Thu Oct 14 16:27:50 1999 Richard Henderson <rth@cygnus.com>
8753 * flow.c (propagate_block): Add call-clobbered registers to
8756 * flow.c (propagate_block): Use free_EXPR_LIST_list instead of
8757 zapping mem_set_list.
8758 (invalidate_mems_from_autoinc): Use free_EXPR_LIST_node.
8759 (mark_set_1, mark_used_regs): Likewise.
8761 Thu Oct 14 10:51:49 1999 Richard Henderson <rth@cygnus.com>
8763 * m68k.md (zero_extendsidi2): Add missing output reload constraint.
8765 Wed Oct 13 00:09:18 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8767 * invoke.texi: Label -Wbad-function-cast, -Wmissing-prototypes,
8768 -Wnested-externs, -Wstrict-prototypes, and -Wtraditional as C only
8769 options. Also add a new item "C-only Warning Options" to the
8772 1999-10-14 Gavin Romig-Koch <gavin@cygnus.com>
8774 * libgcc2.c (__do_global_dtors): Protect __deregister_frame_info
8775 from multiple calls.
8777 Thu Oct 14 04:54:54 1999 Richard Henderson <rth@cygnus.com>
8779 * i386.md (call value patterns): Move to the end of the file.
8780 (prologue_set_got, prologue_get_pc): Use register_operand for op 0.
8782 1999-10-14 Mark Elbrecht <snowball3@bigfoot.com>
8784 * configure.in (djgpp configuration): Define extra_objects..
8785 * configure: Rebuilt.
8786 * config/i386/djgpp.h (CTORS_SECTION_ASM_OP): Define.
8787 (DTORS_SECTION_ASM_OP): Define.
8788 (INIT_SECTION_ASM_OP): Define.
8789 (FINI_SECTION_ASM_OP): Define.
8790 (DATA_SECTION_ASM_OP): Define.
8791 (TEXT_SECTION_ASM_OP): Define.
8792 (EH_FRAME_SECTION_ASM_OP): Define.
8793 (LINK_COMMAND_SPEC): Remove -Tdjgpp.djl.
8794 (STARTFILE_SPEC): Add crtbegin.o.
8795 (ENDFILE_SPEC): Define and add crtend.o. Move argument -Tdjgpp.djl
8796 to here from LINK_COMMAND_SPEC.
8797 (DO_GLOBAL_CTORS_BODY): Define.
8798 (CRTSTUFF_USE_FINI_SECTION): Define
8799 (HAS_INIT_SECTION): Delete.
8801 Thu Oct 14 05:08:14 1999 Andreas Schwab <schwab@suse.de>
8803 * Makefile.in (all.cross): Depend on xcpp$(exeext).
8805 Thu Oct 14 04:00:40 1999 Richard Henderson <rth@cygnus.com>
8807 * pa.h (PREDICATE_CODES): New.
8809 * genrecog.c (validate_pattern): Condense the destination
8812 Thu Oct 14 03:23:08 1999 Richard Henderson <rth@cygnus.com>
8814 * alpha.md (call-1): Supply missing mode for operator.
8815 (*): Add missing output reload constraints. Remove constraints
8818 * i386.h (SPECIAL_MODE_PREDICATES): New.
8819 * i386.md (movstricthi_1): Use nonimmediate_operand for op 0.
8820 (movqi_1, movdi_1, movdi_2, some splits): Likewise.
8821 (addsi_lea_3): Add missing mode for op 3.
8822 (prologue_set_got, prologue_get_pc): Add missing modes.
8823 (*) Add missing output reload constraints.
8825 Thu Oct 14 03:59:57 1999 Stephane Carrez <stcarrez@worldnet.fr>
8827 * stor-layout.c (layout_union): Use HOST_WIDE_INT for const_size;
8828 check for member bit-size overflow and use var_size if it occurs.
8829 (layout_record): Use bitsize_int() to define the type size in bits.
8830 Likewise for computation and assignment to DECL_FIELD_BITPOS.
8831 (layout_decl): Likewise when assigning to DECL_SIZE.
8833 Thu Oct 14 02:57:05 1999 Richard Henderson <rth@cygnus.com>
8835 * genrecog.c (validate_pattern): Typo last change. Verify
8836 that output operands have output reloads.
8838 Thu Oct 14 01:49:54 1999 Richard Henderson <rth@cygnus.com>
8840 * genrecog.c (special_mode_pred_table): New.
8841 (NUM_SPECIAL_MODE_PREDS): New.
8842 (find_operand): New.
8843 (validate_pattern): New argument `insn'. Warn for assignment to
8844 any predicate accepting non-lvalues. Conditionaly warn for
8845 match_operand without a mode. Try much harder to match source
8846 and destination modes on a set.
8847 * tm.texi (SPECIAL_MODE_PREDICATES): Document.
8849 Thu Oct 14 02:54:13 1999 Jeffrey A Law (law@cygnus.com)
8851 * fold-const.c (fold): Detect rotates built from BIT_XOR_EXPRs.
8853 Thu Oct 14 02:18:19 1999 Marc Espie <espie@cvs.openbsd.org>
8855 * combine.c (simplify_logical): Recognize xor pattern that encodes
8858 Wed Oct 13 23:23:45 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8860 * rs6000.c (expand_block_move): Use INTVAL, not XINT to access
8863 Wed Oct 13 21:47:18 1999 Richard Henderson <rth@cygnus.com>
8865 * ggc-page.c (MAP_FAILED): Provide default.
8867 Wed Oct 13 21:41:59 1999 Richard Henderson <rth@cygnus.com>
8869 * sparc.c (symbolic_operand): Verify mode; don't accept CONST_DOUBLE.
8870 * sparc.h (PREDICATE_CODES): Update.
8872 Wed Oct 13 21:18:17 1999 Richard Henderson <rth@cygnus.com>
8874 * alpha.c (some_ni_operand): New.
8875 * alpha-protos.h: Declare it.
8876 * alpha.h (PREDICATE_CODES): Update.
8877 * alpha.md (sXaddq reload insns): Use some_ni_operand
8878 for SET_DEST instead of some_operand.
8880 Wed Oct 13 21:04:45 1999 Richard Henderson <rth@cygnus.com>
8881 Jim Wilson <wilson@cygnus.com>
8883 * genrecog.c (maybe_both_true_2): Don't compare modes of
8885 (process_tree): Elide peephole2_insns. Invoke simplify_tests
8886 after find_afterward.
8887 (debug_decision_1): Dump next and afterward codes.
8889 Wed Oct 13 20:35:16 1999 Richard Henderson <rth@cygnus.com>
8891 * rtl.c (dump_and_abort): Remove.
8892 (fatal_with_file_and_line): New.
8893 (fatal_expected_char): New.
8894 (read_rtx_lineno, read_rtx_filename): New.
8895 (read_skip_spaces): Track line number.
8896 (read_name): Use fatal_with_file_and_line.
8897 (read_rtx): Use fatal_expected_char. Track line number.
8898 * rtl.h (read_rtx_filename, read_rtx_lineno): Declare.
8900 * print-rtl.c (print_rtx): Don't special case LABEL_REF argument
8901 if it isn't a CODE_LABEL.
8903 * genattr.c (main): Set read_rtx_filename.
8904 * genattrtab.c (main): Likewise.
8905 * gencodes.c (main): Likewise.
8906 * genconfig.c (main): Likewise.
8907 * genemit.c (main): Likewise.
8908 * genextract.c (main): Likewise.
8909 * genflags.c (main): Likewise.
8910 * genopinit.c (main): Likewise.
8911 * genoutput.c (main): Likewise.
8912 * genpeep.c (main): Likewise.
8914 * genrecog.c (decision_test.u.insn): Add `lineno'.
8915 (pattern_lineno, error_count): New variables.
8916 (message_with_line): New.
8917 (add_to_sequence): Break out checking code to ...
8918 (validate_pattern): ... here. Detect SET_DEST matching CONST_INT.
8919 (merge_insn): Use message_with_line.
8920 (make_insn_sequence): Use validate_pattern. Record insn lineno.
8921 (main): Set read_rtx_filename, pattern_lineno. Exit early on error.
8923 Wed Oct 13 22:01:35 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
8925 * expr.c (store_constructor): Clear union if constructor is empty.
8927 Wed Oct 13 15:19:04 1999 Jim Wilson <wilson@cygnus.com>
8929 * config/rs6000/sysv4.h (CC1_SPEC): Fix errors from Jan 19 change.
8930 Add !endian checks. Change %{...} to %(...).
8932 Wed Oct 13 13:30:34 1999 Richard Henderson <rth@cygnus.com>
8934 * i386.md (*addsi3_cc): Renamed from addcsi3.
8935 (*addsi3_carry): Renamed from addxsi3.
8936 (*subsi3_cc): Renamed from subcsi3.
8937 (*subsi3_carry): Renamed from subxsi3.
8938 (*xorqi_cc_1): Renamed from xorcqi_1.
8939 (xorqi_cc_ext_1): Renamed from xorcqi_ext_1.
8940 * i386.c (ix86_expand_fp_compare): Update for xorqi_cc_ext_1.
8942 Wed Oct 13 13:10:46 1999 Richard Henderson <rth@cygnus.com>
8944 * Makefile.in (ggc-common.o): Depend on RTL_H not RTL_BASE_H.
8945 (ggc-simple.o, ggc-page.o, ggc-none.o, ggc-callbacks.o): Likewise.
8947 1999-10-13 Brendan Kehoe <brendan@cygnus.com>
8949 * regmove.c (optimize_reg_copy_3): Make sure P is non-nil as we
8950 climb up the chain of insns.
8952 Wed Oct 13 10:20:58 1999 Richard Henderson <rth@cygnus.com>
8954 * genrecog.c (write_subroutine): Careful for null trees.
8955 (process_tree): Don't elide empty functions.
8957 Wed Oct 13 10:07:54 1999 Richard Henderson <rth@cygnus.com>
8959 * Makefile.in (genrtl.o): Depend on ggc.h.
8960 * configure.in (valloc): Probe for it.
8961 (with-gc): Use ggc-page if valloc present.
8962 * ggc-common.c (ggc_mark_rtx_children): Use ggc_mark_if_gcable.
8963 (ggc_mark_rtvec_children): New from corpse of ggc_mark_rtvec.
8964 (ggc_alloc_string): Moved from ggc-page.c.
8965 * ggc-none.c (ggc_alloc_obj): New.
8966 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove.
8967 * ggc-page.c (sys/mman.h): Only include if HAVE_MMAP.
8968 (struct globals): Likewise for dev_zero_fd.
8969 (init_ggc): Likewise for it's initialization.
8970 (ggc_allocated_p): Move careful dereference from ...
8971 (ggc_lookup_page_table): ... here. Delete.
8972 (lookup_page_table_entry): Don't use ggc_lookup_page_table.
8973 (alloc_anon): Use valloc if no mmap.
8974 (release_pages): Use free if using valloc.
8975 (ggc_alloc_obj): Renamed from alloc_obj.
8976 (ggc_set_mark): Renamed from mark_obj.
8977 (ggc_mark_if_gcable): Renamed from ggc_mark_string_if_gcable.
8978 (ggc_alloc_rtx, ggc_alloc_rtvec): Delete.
8979 (ggc_alloc_tree, ggc_alloc_string, ggc_alloc): Delete.
8980 (ggc_set_mark_rtx, ggc_set_mark_rtvec): Delete.
8981 (ggc_set_mark_tree, ggc_mark_string, ggc_mark): Delete.
8982 (ggc_collect): Use fp printing instead of our own rounding.
8983 * ggc-simple.c (IS_MARKED, IGNORE_MARK): Delete.
8984 (GGC_STRING_MAGIC, GGC_STRING_MAGIC_MARK): Delete.
8985 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): Delete.
8986 (struct ggc_rtx, struct ggc_rtvec, struct ggc_tree): Delete.
8987 (struct ggc_string, struct ggc_any): Delete.
8988 (offsetof): Provide default definition.
8989 (GGC_BALANCE, GGC_ALWAYS_COLLECT, GGC_ALWAYS_VERIFY): New.
8991 (struct ggc_mem): New, from corpse of ggc_any.
8992 (struct ggc_status): Delete.
8993 (ggc_chain, ggc_allocated_strings, ggc_strings_used): Delete.
8994 (n_rtxs_collected, n_vecs_collected, n_trees_collected): Delete.
8995 (n_strings_collected, n_anys_collected): Delete.
8996 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Delete.
8997 (ggc_alloc_string, ggc_alloc): Delete.
8998 (ggc_free_rtx, ggc_free_rtvec, ggc_free_tree): Delete.
8999 (ggc_free_string, ggc_free_any): Delete.
9000 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Delete.
9001 (ggc_compare_addresses, ggc_mark_string): Delete.
9002 (ggc_mark_string_if_gcable, ggc_mark): Delete.
9003 (search_data): Delete.
9004 (struct globals): New.
9005 (GGC_MIN_EXPAND_FOR_GC, GGC_MIN_LAST_ALLOCATED): New.
9006 (tree_insert, tree_lookup): New.
9007 (ggc_alloc_obj, ggc_set_mark, ggc_mark_if_gcable): New.
9008 (clear_marks, sweep_objs): New.
9009 (ggc_collect): Gut. Use clear_marks, sweep_objs.
9010 (init_ggc): Set allocated_last_gc.
9011 (ggc_push_context): Gut. Use G.context.
9012 (ggc_pop_context): Likewise.
9013 (ggc_pop_context_1): New.
9014 (debug_ggc_tree): New.
9015 (debug_ggc_balance, tally_leaves): New.
9016 * ggc.h (ggc_mark_rtvec, ggc_mark_string, ggc_mark): Remove decl.
9017 (ggc_mark_string_if_gcable): Remove decl.
9018 (ggc_mark_rtx, ggc_mark_tree): Use ggc_set_mark.
9019 (ggc_mark_rtvec_children): New.
9020 (ggc_mark_rtvec, ggc_mark_string, ggc_mark): New.
9021 (ggc_mark_if_gcable): New decl.
9022 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove decl.
9023 (ggc_alloc_tree, ggc_alloc): Likewise.
9024 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Likewise.
9025 (ggc_alloc_obj): New decl.
9026 (ggc_alloc_rtx, ggc_alloc_rtvec): New macros.
9027 (ggc_alloc_tree, ggc_alloc): Likewise.
9028 (ggc_set_mark): New decl.
9029 * rtl.h (struct rtx_def): Remove gc_mark.
9030 (struct rtvec_def): Likewise.
9031 * tree.h (struct tree_common): Likewise.
9033 Wed Oct 13 01:44:29 1999 Carol LePage <carolo@hal.com>
9035 * configure.in (sparc-hal-solaris2*): Fix xm_file, xm_defines,
9036 float_format and thread_file definitions.
9037 * configure: Rebuilt.
9039 Wed Oct 13 09:25:03 1999 Niels Möller <nisse@lysator.liu.se>
9041 * extend.texi (Function Names): Document types of function names.
9043 Wed Oct 13 00:45:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9045 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
9046 an earlyclobbered output conflict with RELOAD_INPUT reloads.
9048 Tue Oct 12 23:28:28 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
9050 * sh.h (BOOL_TYPE_SIZE): Don't use INT_TYPE_SIZE / CHAR_TYPE_SIZE.
9052 Tue Oct 12 23:19:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
9054 * sh.h (REGISTER_MOVE_COST): Change PR_REG to PR_REGS.
9056 Tue Oct 12 17:09:38 1999 David Edelsohn <edelsohn@gnu.org>
9058 * collect2.c (main): Do prelimnary link on AIX if rflag.
9060 Tue Oct 12 09:45:19 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
9062 * config/rs6000/eabi-ctors.c (__do_global_ctors): Run through
9063 __CTOR_LIST__ in opposite order, which is the correct order for sorted
9065 (__do_global_dtors): similarly for __DTOR_LIST__.
9067 Fri Oct 8 19:46:03 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
9068 Diego Novillo <dnovillo@cygnus.com>
9070 * config/sh/sh.h (REGISTER_MOVE_COST): Handle moves from T_REGS to
9073 Tue Oct 12 07:38:41 1999 Bruce Korb <autogen@linuxbox.com>
9075 * fixincl/*: Merged "no_bogosity" branch
9076 * fixincl/fixlib.h: protect against doubly defining t_bool
9077 * fixincl/server.h: protect against doubly defining t_bool
9079 Mon Oct 11 20:18:41 1999 Jim Wilson <wilson@cygnus.com>
9081 * genoutput.c: Include toplev.h.
9083 Mon Oct 11 18:56:14 1999 Jim Wilson <wilson@cygnus.com>
9085 * config/sparc/liteelf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
9087 * configure.in (sparclite-*-elf, sparc86x-*-elf): Don't use libgloss.h.
9088 * configure: Regenerate.
9090 Mon Oct 11 16:07:49 1999 Richard Henderson <rth@cygnus.com>
9092 * gcse.c (delete_null_pointer_checks): Returns void.
9094 Mon Oct 11 20:31:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9096 * rtl.c (copy_rtx): Don't use accessor macros to copy fields.
9097 * emit-rtl.c (copy_insn_1): Likewise.
9099 Mon Oct 11 13:29:06 1999 Geoffrey Keating <geoffk@cygnus.com>
9101 * config/mips/mips.c (mips_build_va_list): Correct
9102 TREE_CHAIN setting when hard-float.
9103 (mips_va_start): Use corrected setting.
9104 (mips_va_arg): Likewise. Also pass a tree to build of
9105 POSTINCREMENT_EXPR rather than a naked 'int'.
9107 Sun Oct 10 18:27:27 1999 Mark Mitchell <mark@codesourcery.com>
9109 * ggc.h (ggc_push_context): Fix comment.
9110 (ggc_pop_context): Likewise.
9111 (mark_string_if_gcable): Likewise.
9112 * ggc-common.c (ggc_mark_rtx_children): Use
9113 ggc_mark_string_if_gcable.
9114 * ggc-page.c (ggc_lookup_page_table): New function.
9115 (ggc_allocated_p): Likewise.
9116 (mark_obj): Fix formatting.
9117 (ggc_mark_string_if_gcable): New function.
9118 * ggc-simple.c (ggc_allocated_strings): New variable.
9119 (ggc_strings_used): Likewise.
9120 (ggc_compare_addresses): New function.
9121 (ggc_pop_context): Pop the `any' memory too.
9122 (ggc_mark_string_if_gcable): New function.
9123 (ggc_collect): Initialize and tear down ggc_allocated_strings.
9125 Sun Oct 10 20:05:21 1999 David Edelsohn <edelsohn@gnu.org>
9127 * rs6000.md (movstrsi_?reg): Use preferred rD/rS = r5 form.
9128 (scc patterns): Disable most SImode variants if TARGET_POWERPC64.
9129 * rs6000.c (expand_block_move): Match movstrsi_?reg register
9132 Sun Oct 10 16:37:01 1999 Richard Henderson <rth@cygnus.com>
9134 * haifa-sched.c (sched_reg_n_calls_crossed): Delete.
9135 (sched_reg_live_length, sched_reg_basic_block): Delete.
9136 (current_block_num, bb_live_regs, old_live_regs): Delete.
9137 (dead_notes, struct sometimes): Delete.
9138 (sched_note_set, birthing_insn_p): Delete.
9139 (adjust_priority): Gut useless reg lifetime code.
9140 (create_reg_dead_note, attach_deaths): Delete.
9141 (attach_deaths_insn, new_sometimes_live): Delete.
9142 (finish_sometimes_live): Delete.
9143 (find_pre_sched_live, find_post_sched_live): Delete.
9144 (update_reg_usage): Delete.
9145 (find_insn_reg_weight): New, from corpse of find_pre_sched_live.
9146 (schedule_insns): Delete reg lifetime code.
9147 (sched_analyze): Use REG_SAVE_NOTE to stuff NOTE_INSN notes away.
9148 (unlink_other_notes): Adjust REG_NOTE commentary.
9149 (reemit_notes): Use REG_SAVE_NOTE.
9150 (schedule_block): Likewise.
9151 (schedule_region): Allocate bitmap of blocks in region. Use
9152 count_or_remove_death_notes. Use update_life_info.
9154 * rtl.h (REG_SAVE_NOTE): New.
9155 * rtl.c (reg_note_name): Update.
9157 Sun Oct 10 16:14:16 1999 Richard Henderson <rth@cygnus.com>
9159 * combine.c (refresh_blocks, need_refresh): New.
9160 (combine_instructions): Allocate refresh_blocks. Invoke
9161 update_life_info if needed.
9162 (distribute_notes): Mark refresh_blocks instead of installing
9164 * flow.c (update_life_info): Remove notes if GLOBAL_RM_NOTES.
9165 * basic_block.h (enum update_life_extent): Add GLOBAL_RM_NOTES.
9167 * Makefile.in (recog.o): Depend on basic-block.h.
9169 Sun Oct 10 12:03:21 1999 Richard Henderson <rth@cygnus.com>
9171 * genrecog.c (add_to_sequence): Thinko last change: delete
9172 shadowing allow_const_int variable.
9174 Sun Oct 10 08:40:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9176 * cppinit.c: Use HAVE_GCC_VERSION instead of explicitly testing
9177 __GNUC__ and __GNUC_MINOR__.
9179 * gansidecl.h: Likewise.
9185 * toplev.h: Likewise.
9191 * varray.c: Likewise.
9193 * varray.h: Likewise.
9195 Sun Oct 10 13:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9197 * loop.c (find_and_verify_loops): When looking for a BARRIER, don't
9198 use one before a jump table.
9200 * rtl.def (ADDRESS): Change documentation to match reality.
9201 * md.texi: Don't document it.
9202 * gmicro.md (load address pattern): Use 'p' constraint, delete use
9205 * emit-rtl.c (copy_insn_1): Make format_ptr a const char *.
9207 Sun Oct 10 02:41:41 1999 Richard Henderson <rth@cygnus.com>
9209 * genrecog.c (add_to_sequence): Move allow_const_int test outside
9210 known predicate block; default allow_const_int true.
9211 (debug_decision_list): New.
9213 Sun Oct 10 00:43:08 1999 Richard Henderson <rth@cygnus.com>
9215 * i386.h (CC1_SPEC): Typo -- use cc1_cpu.
9217 Sat Oct 9 23:26:55 1999 Jeffrey A Law (law@cygnus.com)
9219 * gcse.c (gcse_main): Avoid global optimizations if we have a
9220 large number of basic blocks and the ratio of edges to blocks
9222 (delete_null_pointer_checks): Likewise.
9224 Sat Oct 9 23:16:01 1999 Ken Raeburn <raeburn@mit.edu>
9226 * c-common.c (check_format_info): Warn if format string isn't a
9229 Sat Oct 9 23:04:02 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
9231 * configure.in (arm*-*-*): Don't let autoconf remove brackets
9232 * configure: regenerate
9234 Sat Oct 9 13:15:53 1999 Richard Henderson <rth@cygnus.com>
9236 * alpha.md (extendsidi2): Turn into a splitter. Allow f/f.
9237 If TARGET_FIX, allow r/f. Remove cvtlq unspec pattern.
9238 (peepholes): Re-enable.
9240 Sat Oct 9 12:18:16 1999 Richard Henderson <rth@cygnus.com>
9242 * Makefile.in (flow.o): Depend on TREE_H.
9243 * basic-block.h (REG_SET_EQUAL_P): New.
9246 (free_regset_vector): Remove declaration.
9247 (flow_delete_insn_chain): Declare.
9248 (enum update_life_extent): New.
9249 (update_life_info, count_or_remove_death_notes): Declare.
9250 * combine.c (distribute_notes) [REG_DEAD]: Stop search at bb->head.
9251 Verify register live at bb->global_live_at_start before adding USE.
9252 * flow.c (HAVE_epilogue, HAVE_prologue): Provide default.
9253 (CLEAN_ALLOCA): New.
9255 (PROP_*): New flags.
9256 (find_basic_blocks_1): Use alloc_EXPR_LIST.
9257 (clear_edges): Zero n_edges.
9258 (make_edge): Increment n_edges.
9259 (split_edge): Don't allocate bb->local_set. Increment n_edges.
9260 (flow_delete_insn_chain): Export.
9261 (delete_block): Decrement n_edges.
9262 (merge_blocks_nomove): Likewise.
9263 (life_analysis): Give life_analysis_1 PROP flags.
9264 (verify_wide_reg_1, verify_wide_reg): New.
9265 (verify_local_live_at_start): New.
9266 (update_life_info): Rewrite to call into propogate_block.
9268 (mark_regs_live_at_end): After reload, if epilogue as rtl,
9269 always mark stack pointer. Conditionally mark PIC register.
9270 After reload, mark call-saved registers, return regsiters.
9271 (life_analysis_1): Accept PROP flags not remove_dead_code.
9272 Call mark_regs_live_at_end before zeroing regs_ever_live.
9273 Use calculate_global_regs_live. Copy global_live_at_end before
9274 calling final propagate_block. Zero reg_next_use on exit.
9275 (calculate_global_regs_live): New.
9276 (allocate_bb_life_data): Don't allocate bb->local_set.
9277 (init_regset_vector, free_regset_vector): Remove.
9278 (propagate_block): Accept FLAGS not FINAL or REMOVE_DEAD_CODE.
9279 Test flags before every operation. Warn if prologue/epilogue insn
9280 would have been deleted.
9281 (mark_set_regs, mark_set_1): Accept and use FLAGS.
9282 Use alloc_EXPR_LIST.
9283 (mark_used_regs): Accept and use FLAGS, not FINAL.
9284 Remove special handling for RETURN.
9285 (try_pre_increment): Use alloc_EXPR_LIST.
9286 (dump_flow_info): Dump n_edges.
9287 (unlink_insn_chain, split_hard_reg_notes): Remove.
9288 (maybe_add_dead_note, maybe_add_dead_note_use): Remove.
9289 (find_insn_with_note, new_insn_dead_notes): Remove.
9290 (update_n_sets, sets_reg_or_subreg_1, sets_reg_or_subreg): Remove.
9291 (maybe_remove_dead_notes, prepend_reg_notes): Remove.
9292 (replace_insns): Remove.
9293 (count_or_remove_death_notes): New.
9294 (verify_flow_info): Abort on error after all checks.
9295 (remove_edge): Decrement n_edges.
9296 (remove_fake_edges): Tweek format.
9297 * haifa-sched.c (schedule_insns): Use split_all_insns.
9298 * output.h (update_life_info): Remove declaration.
9299 * recog.c (split_all_insns): From the corpse of split_block_insns,
9300 do the whole function block by block. Use update_life_info.
9301 (recog_last_allowed_insn): New.
9302 (recog_next_insn): Mind it.
9303 (peephole2_optimize): Set it. Walk backwards through blocks.
9304 Use update_life_info.
9305 * rtl.h (update_flow_info, replace_insns): Remove declarations.
9306 (split_all_insns): Declare.
9307 * toplev.c (rest_of_compilation): Thread prologue before flow2.
9308 Use split_all_insns.
9310 * i386.md (or -1 peep2s): Disable.
9312 Fri Oct 8 17:49:08 1999 Richard Henderson <rth@cygnus.com>
9314 * config/mips/mips.md (movstrsi+[123]) : Combine these into
9315 a single pattern. Scrap the 'd' versions as unnecessary.
9317 * config/mips/mips.md (tablejump_internal3,tablejump_mips161,
9318 tablejump_mips162,tablejump_internal4): The operands to a
9319 label_ref must be VOIDmode.
9321 Fri Oct 8 16:12:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9323 * configure.in (c-mbchar): Append, don't overwrite, `extra_c_flags'.
9325 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
9327 * mips.c (mips_va_arg) [EABI]: Return addr_rtx.
9329 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
9331 * lists.c (init_EXPR_INSN_LIST_cache): Don't need to zap the
9332 cache every function if ggc_p.
9334 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9336 * jump.c (duplicate_loop_exit_test): Use copy_insn/copy_insn_1
9337 instead of copy_rtx. Accept sequences that contain asm statements.
9338 * emit-rtl.c (copy_insn_1, copy_insn): New functions.
9339 (copy_insn_scratch_in, copy_insn_scratch_out, copy_insn_n_scratches,
9340 orig_asm_operands_vector, copy_asm_operands_vector,
9341 orig_asm_constraints_vecotr, copy_asm_constraints_vector): New static
9343 * rtl.h (copy_insn, copy_insn_1): Declare.
9345 Fri Oct 8 13:08:12 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9347 * Makefile.in (insn-recog.o): Depend on hard-reg-set.h and resource.h.
9349 * alpha.h (ASM_OUTPUT_MI_THUNK): Pass the correct number of
9350 arguments to `current_file_function_operand'.
9352 * genrecog.c: Include hard-reg-set.h and resource.h in the
9353 generated output file.
9355 * real.c: Include tm_p.h.
9357 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9359 * i386.md (prologue_allocate_stack): Add '=' constraint letter on
9362 Thu Oct 7 23:06:50 1999 Richard Henderson <rth@cygnus.com>
9364 * rs6000.md (fix_truncdfsi2_internal+1): Emit a clobber
9365 before the fctiwz insn.
9367 Thu Oct 7 22:53:00 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9368 Mark Mitchell <mark@codesourcery.com>
9370 * tree.c (make_lang_type_fn): New funtion pointer.
9371 (make_lang_type): Call it.
9372 * tree.h (make_lang_type): Declare.
9373 (make_lang_type_fn): Likewise.
9374 * rs6000.c (rs6000_build_va_list): Use make_lang_type.
9376 Thu Oct 7 00:36:17 1999 Diego Novillo <dnovillo@cygnus.com>
9378 * config/rs6000/rs6000.c (secondary_reload_class): For TARGET_ELF
9379 make sure that HIGH instructions are copied into BASE_REGS.
9381 Thu Oct 7 17:02:34 1999 Jason Merrill <jason@yorick.cygnus.com>
9383 * expr.c (expand_expr, TARGET_EXPR): Set TREE_USED sooner.
9385 Thu Oct 7 17:01:58 1999 Greg McGary <gkm@gnu.org>
9387 * c-decl.c (finish_struct): Use simpler method of
9388 removing elements of a singly-linked list.
9390 Thu Oct 7 15:23:28 1999 Michael Meissner <meissner@cygnus.com>
9392 * alpha.md (peephole2's): Comment out peephole2's that generate
9395 Thu Oct 7 12:00:53 1999 Richard Henderson <rth@cygnus.com>
9397 * genrecog.c (add_to_sequence): Disable mode check for
9400 Thu Oct 7 20:14:16 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9402 * ggc-simple.c (init_ggc): Set empty_string.
9404 Thu Oct 7 01:13:15 1999 Richard Henderson <rth@cygnus.com>
9406 * configure.in: Detect mmap. Add --with-gc=foo to select
9407 garbage collector; default to page if mmap available.
9408 * Makefile.in (GGC): Substitute.
9410 Wed Oct 6 23:56:30 1999 Richard Henderson <rth@cygnus.com>
9412 * c-decl.c (ggc_p): Enable.
9414 Wed Oct 6 17:17:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9416 * flow.c (verify_flow_info): Make it extern & unconditionally define.
9418 1999-10-06 Brendan Kehoe <brendan@cygnus.com>
9420 * sparc/sp86x-elf.h (SUBTARGET_SWITCHES): Add missing doc
9421 string for little-endian-data.
9423 Wed Oct 6 16:10:35 1999 Michael Meissner <meissner@cygnus.com>
9425 * varray.h (VARRAY_CHECK): Fix up appropriate revision check, in
9426 case somebody tries to compile --enable-checking code with gcc
9429 Wed Oct 6 12:22:50 1999 Richard Henderson <rth@cygnus.com>
9431 * genrecog.c (add_to_sequence): Verify operand to label_ref is
9434 Wed Oct 6 10:21:15 1999 Richard Henderson <rth@cygnus.com>
9436 * genconfig.c (main): Disable HAVE_conditional_arithmetic.
9437 * jump.c (jump_optimize_1): Document why.
9439 Wed Oct 6 10:41:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9441 * collect2.c (scan_prog_file, scan_libraries): Prototype function
9442 pointers and casts for `int_handler' and `quit_handler'.
9444 * flow.c (verify_flow_info, split_hard_reg_notes,
9445 find_insn_with_note, sets_reg_or_subreg_1, prepend_reg_notes,
9446 remove_edge, remove_fake_successors): Add static prototypes.
9447 (verify_flow_info): Wrap with macro ENABLE_CHECKING.
9448 (mark_set_1): Initialize variable `regno'.
9449 (unlink_insn_chain): Likewise for variable `curr'.
9450 (remove_fake_edges): Remove unused variables `e', `tmp' and `last'.
9452 * loop.c (strength_reduce): Initialize variable
9453 `unrolled_insn_copies'.
9454 (cmp_combine_givs_stats, cmp_recombine_givs_stats): Add static
9455 prototypes. Change these functions to take const PTR parameters
9456 to avoid prototype conflict when used as the comparson argument
9458 (check_dbra_loop): Initialize variable `comparison_val'.
9460 * reload.c (debug_reload_to_stream, debug_reload): Add prototypes.
9461 (get_secondary_mem): Mark parameter `x' with ATTRIBUTE_UNUSED.
9462 (find_valid_class): Initialize variable `best_class'.
9463 (find_reloads): Call memcpy, not bcopy.
9465 * reload1.c (gen_mode_int, dump_needs): Add prototypes.
9466 (hard_reg_use_compare): Don't needlessly cast away const.
9467 (reload_reg_class_lower): Likewise.
9468 (choose_reload_regs): Initialize variable `regno'.
9470 Tue Oct 5 16:34:12 1999 Paul Burchard <burchard@pobox.com>
9472 * ggc-page.c (GGC_ALWAYS_COLLECT): Fix typo when undef'ing.
9474 Tue Oct 5 16:14:40 1999 Michael Meissner <meissner@cygnus.com>
9476 * libgcc1-test.c (toplevel): Include stddef.h to get size_t.
9477 ({,d}discard): Add forward declarations. Declare parameter as
9479 (main_without_main): Explicitly declare return type to be int.
9480 (memcpy): Properly declare.
9482 * libgcc2.c (toplevel): If inhibit_libc is defined and not
9483 building the trampoline support, declare malloc, free, and
9485 (__clear_cache): Mark arguments as potentially unused.
9487 * frame.c (toplevel): If inhibit_libc is defined, declare
9490 Tue Oct 5 12:00:32 1999 Richard Henderson <rth@cygnus.com>
9492 * flow.c (make_edge): Accept an optional 2D bitmap in which
9493 to cache edge existence. Update all callers.
9494 (make_label_edge, make_eh_edge): Pass through the edge cache.
9495 (make_edges): Provide the cache.
9497 Tue Oct 5 12:16:49 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9499 * mbchar.c (literal_codeset, local_mbtowc, local_mblen): Constify
9501 (local_mbtowc): Change the type of variable `i' from int to size_t.
9503 * mbchar.h (ISSJIS1, ISSJIS2): Use parens around && within ||.
9504 (local_mbtowc, local_mblen, literal_codeset): Constify a char*.
9506 Tue Oct 5 11:34:52 1999 Michael Meissner <meissner@cygnus.com>
9508 * ggc-common.c (toplevel): Reorder includes, so that ggc.h comes
9509 after other includes that define the appropriate types. Include
9510 tm_p.h for getting user prototypes.
9511 * ggc-callbacks.c (toplevel): Ditto.
9512 * ggc-none.c (toplevel): Ditto.
9513 * gcc-page.c (toplevel): Ditto.
9514 * ggc-simple.c (toplevel): Ditto.
9516 Mon Oct 4 16:48:16 1999 Diego Novillo <dnovillo@cygnus.com>
9517 Jonathan Larmour <jlarmour@cygnus.co.uk>
9519 * config/mips/mips.c (mips_move_2words): Split doubles if
9520 ISA >= 3, !TARGET_64BIT, and destination is not an FP register.
9522 Mon Oct 4 21:47:31 1999 Richard Henderson <rth@cygnus.com>
9524 * genrecog.c (struct decision_test): New.
9525 (struct decision): Remove test-related members, sort the rest by size.
9526 (IS_SPLIT): Simplify.
9527 (new_decision, new_decision_test): New.
9528 (add_to_sequence): Use them. No special handling for args of
9530 (maybe_both_true): Renamed from not_both_true; return sense changed.
9531 (maybe_both_true_1, maybe_both_true_2): New. Broken out
9532 of maybe_both_true and adjusted for decision_test.
9533 (position_merit): Remove.
9534 (nodes_identical, nodes_identical_1): New, broken out of merge_trees.
9535 (merge_accept_insn): New, broken out of merge_trees.
9536 (merge_trees): Use them. No special case for c_test; no node
9537 splitting; use test type instead of position_merit.
9538 (factor_tests): New.
9539 (simplify_tests): New.
9540 (break_out_subroutines): Don't write code now.
9541 (find_afterward): New.
9542 (write_afterward, write_switch, write_cond): New.
9543 (write_action, is_unconditional): New.
9544 (write_node): New. Use them.
9545 (write_tree_1): Rewrite. Use the new functions above.
9546 (write_tree): Remove afterward processing.
9547 (write_subroutine): Simplify function variant emission.
9548 (write_subroutines): New.
9549 (same_codes, clear_codes): Remove.
9550 (same_modes, clear_modes): Remove.
9551 (write_header): New, broken out of main.
9552 (make_insn_sequence): Use new_decision and new_decision_test.
9553 (process_tree): New, broken out of main.
9554 (main): Adjust for merge_trees interface change.
9555 Don't #define operands in the output file.
9556 (record_insn_name): New, broken out of make_insn_sequence.
9557 (debug_decision_2, debug_decision_1, debug_decision_0): New.
9558 (debug_decision): New.
9560 1999-10-04 21:58 -0700 Zack Weinberg <zack@bitmover.com>
9562 * resource.c (find_free_register): Mark class_str argument const.
9563 * resource.h: Update prototype to match.
9565 * i386.h (PREDICATE_CODES): Add entry for long_memory_operand.
9566 * i386.md: Give all anonymous insns names.
9568 Mon Oct 4 21:12:02 1999 Jeffrey A Law (law@cygnus.com)
9570 * flow.c (merge_blocks): Avoid assing BASIC_BLOCK for non-existent
9573 Mon Oct 4 21:01:39 1999 Richard Henderson <rth@cygnus.com>
9575 * toplev.c (dbr_sched_time): Unconditional.
9576 (peephole2_time): New.
9577 (compile_file): Add pass numbers to all of the dump file suffixes.
9578 Dump peephole2_time. Don't dump times for non-applicable passes.
9579 (rest_of_compilation): Add pass numbers to dump file suffixes.
9580 Conditionalize calls to the scheduler.
9581 * invoke.texi: Update.
9583 Mon Oct 4 20:25:13 1999 Anthony Green <green@cygnus.com>
9585 * flow.c (make_edges): Fix insn iteration.
9586 (find_basic_blocks): Assign NULL_RTX, not 0, to rtx.
9587 (find_basic_blocks_1): Fix spelling mistake.
9589 Mon Oct 4 16:56:11 1999 Richard Henderson <rth@cygnus.com>
9591 * tree.c (build1): Set TREE_SIDE_EFFECTS for expressions that
9592 always have side-effects. Use memset not bzero.
9593 (make_node): Likewise.
9595 Mon Oct 4 16:22:20 1999 Mark Mitchell <mark@codesourcery.com>
9597 * stmt.c (expand_anon_union_decl): When any of the elements of the
9598 union is addressable, so is the entire union.
9600 Mon Oct 4 11:38:33 1999 Richard Henderson <rth@cygnus.com>
9602 * sbitmap.c (sbitmap_ones): Don't set too many bits.
9604 * bitmap.h (enum bitmap_bits): Add BITMAP_XOR.
9605 * bitmap.c (bitmap_operation): Return true iff TO changed.
9606 (bitmap_equal_p): New.
9607 (bitmap_bit_p): Tidy arithmetic.
9608 (debug_bitmap_file): Likewise.
9610 Mon Oct 4 11:28:37 1999 Richard Henderson <rth@cygnus.com>
9612 * toplev.c (rest_of_compilation): Turn on cse_not_expected
9613 before cse2 instead of after.
9615 Mon Oct 4 09:55:17 1999 Stan Cox <scox@cygnus.com>
9617 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Let leasi/liadi handle large
9620 Mon Oct 4 08:54:12 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9622 * cppinit.c (is_idchar initializer): Loosen tests to accept
9625 Mon Oct 4 02:31:20 1999 Mark Mitchell <mark@codesourcery.com>
9627 * mips.md: Define conditional move patterns for floating point
9628 operands and DI mode conditions.
9630 Mon Oct 4 02:12:41 1999 Mark Mitchell <mark@codesourcery.com>
9632 * tree.c (make_node): Set TREE_SIDE_EFFECTS for expressions that
9633 always have side-effects.
9635 Sun Oct 3 14:14:16 1999 Jeffrey A Law (law@cygnus.com)
9637 * mn10200.c (asm_file_start): Fix typo.
9639 * cppinit.c (is_idchar initializer): Tighten tests for when
9640 to put the table into initialized memory.
9642 * ggc-none.c (ggc_alloc_rtvec): An rtvec is an array of rtx,
9643 not an array of rtunion.
9644 * gcc-page.c (ggc_alloc_rtvec): Similarly.
9645 * gcc-simple (ggc_free_rtvec): Similarly.
9647 * genattrtab.c (simplify_cond): Make TESTS an array of rtxs, instead
9650 * mbchar.h: Add missing #endif.
9652 * t-fr30 (LIB2FUNCS_EXTRA): Remove definition.
9653 (FPBIT, DPBIT): Define.
9655 Sun Oct 3 12:44:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9657 * print-tree.c (print_node, indent_to): Remove redundant prototypes.
9659 * profile.c (instrument_arcs, output_gcov_string,
9660 tablejump_entry_p): Add static prototypes.
9661 (output_gcov_string): Constify a char*.
9663 * regmove.c (replacement_quality, fixup_match_2): Add static
9666 * resource.h (reg_dead_p): Add extern prototype.
9668 * rtl.c (trim_filename): Add static prototype.
9670 * scan-decls.c (skip_to_closing_brace): Likewise.
9672 * stmt.c (expand_decl_cleanup_no_eh): Hide definition.
9673 (expand_end_case): Initialize variable `range'.
9674 (emit_case_nodes): Remove unused prototype `rtx_fn'.
9676 * varasm.c (asm_emit_uninitialised): Add static prototype.
9677 (asm_emit_uninitialised, assemble_variable): Mark parameter with
9680 Sun Oct 3 12:24:52 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9682 * cpplib.c (if_directive_nameo): Add static prototype.
9684 * cse.c (cse_insn): Remove unused variable `p'.
9686 * except.c (create_rethrow_ref, push_entry,
9687 receive_exception_label, new_eh_region_entry, find_func_region,
9688 clear_function_eh_region, process_nestinfo): Add static prototypes.
9689 (get_reg_for_handler): Hide definition.
9690 (process_nestinfo): Initialize variable `extra_handlers'.
9692 * expr.h (expand_builtin_longjmp): Add extern prototype.
9694 * final.c (final_addr_vec_align, align_fuzz): Add static prototypes.
9696 * function.c (prepare_function_start): Likewise.
9697 (pop_function_context_from): Mark parameter `context' with
9699 (push_temp_slots_for_block, flush_addressof): Hide definition.
9701 * gcov.c (init_arc, reverse_arcs, create_program_flow_graph,
9702 solve_program_flow_graph, calculate_branch_probs,
9703 function_summary, main, fancy_abort): Add prototypes.
9705 * gen-protos.c (add_hash, parse_fn_proto, main): Likewise.
9706 (add_hash): Constify a char*.
9708 * ggc-common.c (ggc_mark_rtx_ptr, ggc_mark_tree_ptr,
9709 ggc_mark_tree_varray_ptr, ggc_mark_tree_hash_table_ptr,
9710 ggc_mark_string_ptr, ggc_mark_tree_hash_table_entry): Add prototypes.
9712 * integrate.c (expand_inline_function_eh_labelmap): Likewise.
9714 * lists.c (free_list, zap_lists): Likewise.
9716 Sun Oct 3 12:05:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9718 * alias.c (nonlocal_reference_p): Add static prototype.
9720 * bitmap.c (bitmap_element_allocate): Prototype args in function
9723 * builtins.c (stabilize_va_list): Add static prototype.
9724 (expand_builtin_va_arg): Constify a char*.
9726 * c-lex.c (getch, put_back, extend_token_buffer_to,
9727 read_line_number, token_getch, token_put_back): Add static
9730 * c-parse.gperf (hash, is_reserved_word): Likewise.
9732 * cccp.c (is_dir_separator): Likewise.
9734 Sat Oct 2 16:07:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9736 * graph.h: New file to prototype functions exported by graph.c.
9738 * Makefile.in (graph.o, toplev.o): Depend on graph.h.
9740 * graph.c: Include graph.h.
9742 * toplev.c: Likewise. Remove redundant prototypes.
9744 Sat Oct 2 11:28:33 1999 Krister Walfridsson <cato@df.lth.se>
9746 * invoke.texi: Removed duplicated description for -Q.
9748 Sat Oct 2 11:16:00 1999 Jim Kingdon <http://developer.redhat.com>
9750 * extend.texi: Grammar fix in __extension__ text.
9752 Sat Oct 2 11:06:31 1999 Richard Henderson <rth@cygnus.com>
9754 * md.texi (define_peephole2): New section.
9756 Sat Oct 2 10:57:56 1999 Jan Hubicka <hubicka@freesoft.cz>
9758 * i386.md (mov?i patterns): Fix handling of TARGET_USE_MOV0
9759 (mov $-1 to or peepholer): Enable for pentium when optimizing for
9762 Sat Oct 2 10:55:25 1999 Jan Hubicka <hubicka@freesoft.cz>
9764 * builtins.c (expand_builtin_strlen): Fix best mode searching loop.
9766 Sat Oct 2 10:53:22 1999 Jan Hubicka <hubicka@freesoft.cz>
9768 * i386.md (ffs expander): Emit Pentium friendly code for
9771 Sat Oct 2 02:48:21 1999 Mark P. Mitchell <mark@codesourcery.com>
9773 * tree.c (build): Don't look at TREE_SIDE_EFFECTS or TREE_RAISES
9777 Fri Oct 1 18:01:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9779 * i386elf.h (TARGET_DEFAULT): Use symbolic constants.
9781 Fri Oct 1 12:42:53 1999 Andreas Schwab <schwab@suse.de>
9783 * config/m68k/m68k.c (use_return_insn): Return false if the pic
9786 Fri Oct 1 10:56:06 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9788 * md.texi (No Constraints): Delete section.
9789 * Makefile.in (genattrtab.o): Don't depend on "insn-config.h".
9790 * final.c (final_scan_insn): We always have register constraints.
9791 * genattrtab.c: Don't include "insn-config.h".
9792 (write_attr_case): We always have register constraints.
9793 * genconfig.c (register_constraint_flag): Delete.
9794 (walk_insn_part): Don't check whether we have register constraints.
9795 (main): Don't write out "#define REGISTER_CONSTRAINTS".
9796 * genoutput.c (have_constraints): Delete.
9797 (main): Don't set it.
9798 (output_operand_data): We always have constraints.
9799 (scan_operands): Likewise.
9800 (compare_operands): Likewise.
9801 * local-alloc.c (block_alloc): We always have constraints.
9802 (requires_inout): Always compile this function.
9803 * recog.c (extract_insn): We always have constraints.
9804 (constrain_operands, reg_fits_class_p): Always compile these
9806 * recog.h (struct recog_data): Delete non-REGISTER_CONSTRAINTS
9808 (struct insn_operand_data): Likewise.
9809 * regclass.c (regclass): We always have constraints.
9810 (record_reg_classes, copy_cost, record_address_regs,
9811 auto_inc_dec_reg_p): Always compile these functions.
9812 * regmove.c (regmove_optimize): We always have constraints.
9813 * reload.c (find_reloads): Likewise.
9814 * reload1.c (reload): Likewise.
9815 (reload_cse_simplify_operands): Likewise.
9816 * i860.c (output_delay_insn): Likewise.
9818 Thu Sep 30 23:04:41 1999 Mark P. Mitchell <mark@codesourcery.com>
9820 * iris6.h (BUILD_VA_LIST_TYPE): Define.
9822 Thu Sep 30 18:44:50 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9824 * rs6000.c (rs6000_build_va_list): Create a TYPE_DECL node
9825 for the va_list record.
9827 Thu Sep 30 18:34:54 1999 Jan Hubicka <hubicka@freesoft.cz>
9829 * i386.c (ix86_adjust_cost): Ignore false ebp dependencies in
9832 Thu Sep 30 18:31:36 1999 Jan Hubicka <hubicka@freesoft.cz>
9834 * alias.c: Include insn-flags.h.
9835 * Makefile.in (alias.o): Update.
9837 Thu Sep 30 18:21:30 1999 Jan Hubicka <hubicka@freesoft.cz>
9839 * i386.c (ix86_expand_int_movcc): Convert LEU and GTU comparisons
9840 to LTU and GEU. Handle more cases using sbb.
9842 Thu Sep 30 18:18:39 1999 Jan Hubicka <hubicka@freesoft.cz>
9844 * i386.md (truncatexfdf splitters): Do not use subreg.
9845 (fop XFmode patterns): Fix mode in operand testing.
9847 Thu Sep 30 18:04:13 1999 Richard Henderson <rth@cygnus.com>
9849 * jump.c (jump_optimize_1): Amend last change to test only the
9850 form of the operand, not the insn.
9852 * jump.c (jump_optimize_1) [conditional_move]: Use general_operand
9853 not register_operand to determine when B may need preloading.
9855 Thu Sep 30 17:39:16 1999 Richard Henderson <rth@cygnus.com>
9857 * alpha.md (*): Use nonimmediate not general_operand for SET_DEST.
9858 (ffsdi2, extxl, insxh, mskxh): Add missing DImode to SET_SRC.
9859 (call-value patterns): Move to end of file.
9860 (*): Remove mode from label_ref in (pc) context.
9861 (movstrqi): Use memory not general_operand for BLKmode operands.
9862 (prologue_stack_probe_loop, builtin_longjmp): Add missing mode
9863 to register_operand operands.
9864 (peep2 patterns): Convert from commented-out peephole patterns.
9866 Thu Sep 30 14:39:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9868 * tree.h (enum built_in_function): Rename BUILT_IN_DWARF_REG_SIZE
9869 to BUILT_IN_INIT_DWARF_REG_SIZES.
9870 * builtins.c (expand_builtins, case BUILT_IN_INIT_DWARF_REG_SIZES):
9871 Renamed from BUILT_IN_DWARF_REG_SIZE; call
9872 expand_builtin_init_dwarf_reg_sizes.
9873 * c-decl.c (init_decl_processing): Replace __builtin_dwarf_reg_size
9874 with __builtin_init_dwarf_reg_size_table.
9875 * dwarf2out.c (struct reg_size_range): Delete.
9876 (expand_builtin_init_dwarf_reg_sizes): New function.
9877 (expand_builtin_dwarf_reg_size): Delete.
9878 * except.h (expand_builtin_init_dwarf_reg_sizes): Declare.
9879 (expand_builtin_dwarf_reg_size): Don't declare.
9880 * libgcc2.c (dwarf_reg_size_table_initialized): New.
9881 (dwarf_reg_size_table): New.
9882 (init_reg_size_table): New function.
9883 (copy_reg): Use dwarf_reg_size_table.
9884 (eh_context_initialize): Make sure dwarf_reg_size_table is initialized
9887 Thu Sep 30 05:40:34 1999 Richard Earnshaw <rearnsha@arm.com>
9889 * c-lang.c (finish_file case ndef ASM_OUTPUT_{CON,DE}STRUCTOR):
9890 Correctly build argument list to constructor and destructor functions.
9892 Thu Sep 30 00:13:27 1999 Dirk Zoller <duz@rtsffm.com>
9894 * c-tree.h (warn_float_equal): Declare.
9895 * c-decl.c (warn_float_equal): Define.
9896 (c_decode_option): Recognize -W[no-]float-equal.
9897 * c-typeck.c (build_binary_op): Conditionally warn
9898 about equality tests of floating point types.
9899 * toplev.c (documented_lan_options): Add -W[no-]float-equal.
9900 * invoke.texi: Add docs for -Wfloat-equal warning.
9902 Wed Sep 29 23:43:39 1999 Jeffrey A Law (law@cygnus.com)
9904 * h8300.h (INIT_TARGET_OPTABS): Use init_one_optab instead of
9905 generating RTL directly.
9906 * mips.h (INIT_TARGET_OPTABS): Likewise.
9907 * mn10200.h (INIT_TARGET_OPTABS): Likewise.
9909 * expr.h (init_mov_optab): Delete declaration
9911 * h8300.c (WORD_REG_USED): Update to avoid useless register
9912 saves in interrupt functions and functions which never return.
9914 * cse.c (struct set): Delete inner_dest_loc field.
9915 (cse_insn): Remove assignments to inner_dest_loc field.
9917 Wed Sep 29 16:06:20 1999 Richard Henderson <rth@cygnus.com>
9919 * ggc-page.c: Don't include <unistd.h> etc taken care of
9920 by "system.h". Include <sys/mman.h> afterward.
9922 Wed Sep 29 16:05:18 1999 Richard Henderson <rth@cygnus.com>
9924 * rs6000.c (rs6000_encode_section_info): If ggc_p, use
9927 Tue Sep 28 16:45:40 1999 David Edelsohn <edelsohn@gnu.org>
9929 * xcoffout.c (xcoffout_declare_function): Add documentation.
9930 * rs6000.c (num_insns_constant_wide): Use TARGET_POWERPC64 not
9931 TARGET_64BIT. Compare constant to -1, not bit pattern.
9932 (easy_fp_constant): Use TARGET_POWERPC64 not TARGET_64BIT.
9933 (expand_block_move): Allow 8 DImode loads for PowerPC64. Fix
9936 Tue Sep 28 16:43:14 1999 Nick Clifton <nickc@cygnus.com>
9938 * dwarf2out.c (add_abstract_origin_attribute): Abort if
9940 (gen_inlined_enumeration_type_die): Do not abort if the type has
9941 not been writeen out.
9942 (gen_inlined_structure_type_die): Do not abort if the type has
9943 not been writeen out.
9944 (gen_inlined_union_type_die): Do not abort if the type has
9945 not been writeen out.
9946 (gen_tagged_type_instantiation_die): Do not abort if the type
9947 has not been written out.
9949 Tue Sep 28 14:33:47 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9951 * c-decl.c (init_decl_processing): If MD_INIT_BUILTINS is defined,
9953 * reg-stack.c (straighten_stack): Copy hard reg set with
9956 Tue Sep 28 01:11:05 1999 Richard Henderson <rth@cygnus.com>
9958 * builtins.c (stabilize_va_list): Stabilize array type va_list
9959 to a pointer type, not the base record type.
9960 (expand_builtin_va_copy): Dereference the pointers explicitly;
9961 use the correct size for the copy.
9963 * rs6000.c (rs6000_va_start): Dereference valist to get to the record.
9964 (rs6000_va_arg): Likewise.
9966 Mon Sep 27 23:27:21 1999 Richard Henderson <rth@cygnus.com>
9968 * rtl.h (struct rtx_def): Move gc_mark to align mode field.
9970 Mon Sep 27 23:20:29 1999 Mark Mitchell <mark@codesourcery.com>
9972 * tree.h (struct tree_decl): Use `bclass', not `class', in name of
9974 (DECL_BUILT_IN_CLASS): Adjust accordingly.
9976 Mon Sep 27 23:03:16 1999 Richard Henderson <rth@cygnus.com>
9978 * ggc-page.c (GGC_MIN_LAST_ALLOCATED): New.
9979 (init_ggc): Use it instead of a constant.
9980 (ggc_collect): Bound allocated_last_gc by it.
9982 Mon Sep 27 19:06:04 1999 Jeffrey A Law (law@cygnus.com)
9984 * fixinc/fixinc.irix (stdio.h): Hack stdio.h to avoid problems
9987 Mon Sep 27 19:40:17 CEST 1999 Marc Espie <espie@cvs.openbsd.org>
9989 * configure.in (mips*el-*-openbsd*): Don't duplicate default settings.
9990 (mips*-*-openbsd*): Let big endian configuration be a fragment.
9992 * config/mips/openbsd.h: New, OpenBSD little endian target.
9993 * config/mips/openbsd-be.h: New, OpenBSD big endian target fragment.
9994 * config/mips/xm-openbsd.h: New, OpenBSD host.
9996 Mon Sep 27 10:28:48 1999 Andreas Schwab <schwab@suse.de>
9998 * config/m68k/m68k.c (output_function_prologue,
9999 output_function_epilogue): Use
10000 current_function_uses_pic_offset_table instead of regs_ever_live
10001 to decide whether to save/restore pic register.
10002 (legitimize_pic_address): Don't modify regs_ever_live any more.
10004 Sun Sep 26 10:55:36 1999 Mark Mitchell <mark@codesourcery.com>
10006 * function.h (struct function): Add x_dont_save_pending_sizes_p.
10007 * stor-layout.c (variable_size): Don't add sizes to the pending
10008 sizes list if x_dont_save_pending_sizes_p is set.
10010 Sun Sep 26 16:36:52 1999 Robert Lipe (robertlipe@usa.net)
10012 * config/i386/dgux.h (SELECT_RTX_SECTION): Provide dummy argument
10013 for symbolic_operand().
10014 * config/i386/sco5.h (SELECT_RTX_SECTION): Likewise.
10016 Sun Sep 26 07:37:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10018 * combine.c (gen_rtx_combine): Add missing call to va_end().
10020 * final.c (asm_fprintf): Likewise.
10022 * genattrtab.c (attr_rtx): Likewise.
10024 Sat Sep 25 13:11:07 1999 Jeffrey A Law (law@cygnus.com)
10026 * cse.c: Update comments.
10027 (cse_insn): When converting a conditional/computed jump into
10028 an unconditional jump, always make sure a BARRIER immediately
10029 follows the converted jump. Do not delete unreachable code.
10030 (cse_basic_block): Do not delete unreachable code.
10031 * toplev.c (rest_of_compilation): Move call to
10032 delete_trivially_dead_insns after the conditional call to
10035 Sat Sep 25 09:03:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10037 * collect2.c (make_temp_file): Don't prototype.
10039 * gcc.c (make_temp_file): Likewise.
10041 * mips.c (mips_make_temp_file): Renamed from `make_temp_file'.
10043 Sat Sep 25 13:42:15 1999 Nick Clifton <nickc@cygnus.com>
10045 * varasm.c (asm_emit_uninitialised): New function: Generate
10046 the assembler statements necessary to declare an uninitialised
10048 (ASM_EMIT_LOCAL): New macro: Emit a local, uninitialised
10050 (ASM_EMIT_BSS): New macro: Emit an entry in the bss section.
10051 (ASM_EMIT_COMMON): New macro: Emit an entry in the common
10053 (assemble_variable): Use asm_emit_uninitialised to emit an
10054 uninitialised variable.
10056 Fri Sep 24 17:10:56 1999 Nick Clifton <nickc@cygnus.com>
10058 * combine.c (simplify_comparison): Cope with downshifting a 32 bit
10059 constant on a 64 bit host. Patch supplied by Geoffrey Keating
10060 <geoffk@cygnus.com>.
10062 Fri Sep 24 10:48:10 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10064 * builtins.c (expand_builtin): Use MD_EXPAND_BUILTIN if defined.
10065 * c-common.h (builtin_function): Don't declare.
10067 * c-decl.c (duplicate_decls): Use DECL_BUILT_IN_CLASS rather than
10069 (pushdecl): Likewise.
10070 (finish_decl): Likewise.
10071 (builtin_function): New arg CLASS. Arg FUNCTION_CODE now of type
10072 int. All callers changed.
10073 Set the builtin's DECL_BUILT_IN_CLASS.
10074 * tree.h (enum built_in_class): New.
10075 (enum built_in_function): Delete NOT_BUILT_IN.
10076 (DECL_FUNCTION_CODE): The corresponding field in tree_decl is now
10078 (DECL_SET_FUNCTION_CODE): Likewise.
10079 (DECL_BUILT_IN_CLASS): New macro.
10080 (DECL_BUILT_IN): Use DECL_BUILT_IN_CLASS.
10081 (struct tree_decl): Split builtin function code field into a
10083 (builtin_function): Declare.
10085 Fri Sep 24 01:45:05 1999 Mark Mitchell <mark@codesourcery.com>
10087 * optabs.c (init_traps): Fix typo in last change.
10089 Fri Sep 24 01:10:11 1999 Mark Mitchell <mark@codesourcery.com>
10091 * toplev.c (rest_of_decl_compilation): Update comment.
10093 Fri Sep 24 11:57:06 1999 Geoffrey Keating <geoffk@cygnus.com>
10095 * config/mips/elf.h (ASM_OUTPUT_ALIGNED_BSS): Put the symbol
10096 in .sbss if appropriate.
10097 (EXTRA_SECTION_FUNCTIONS): Add sbss.
10098 (SBSS_SECTION_ASM_OP): New macro.
10099 * config/mips/linux.h (EXTRA_SECTION_FUNCTIONS): Add sbss.
10100 (EXTRA_SECTIONS): Add in_sbss.
10101 * config/mips/mips.h: Prototype sbss_section.
10103 Thu Sep 23 18:18:55 1999 Mark Mitchell <mark@codesourcery.com>
10105 * stmt.c (expand_start_bindings): Don't allow cleanup instructions
10108 Thu Sep 23 18:07:01 1999 Mark Mitchell <mark@codesourcery.com>
10110 * optabs.c (init_traps): Register trap_rtx as a GC root.
10112 Thu Sep 23 17:41:47 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10114 * config/mips/mips.c (function_arg_pass_by_reference): Define
10115 unconditionally, since it's called unconditionally.
10117 Thu Sep 23 13:40:02 1999 Jason Merrill <jason@yorick.cygnus.com>
10119 * toplev.c (documented_lang_options): Add -fshort-wchar.
10120 * c-decl.c (c_decode_option): Likewise.
10121 (init_decl_processing): If -fshort-wchar, use 'short unsigned int'
10123 * c-common.c, c-lex.c: Get WCHAR_TYPE_SIZE from wchar_type_node.
10124 * gcc.c (default_compilers): If -fshort-wchar,
10125 override __WCHAR_TYPE__.
10126 * tm.texi (C Dialect Options): Add -fshort-wchar.
10128 * dwarf2out.c (output_aranges): Use DW_AT_location to find the
10129 symbol for a variable.
10131 * cpplib.h (CPP_PREPROCESSED): New macro.
10132 * cpplib.c (handle_directive): Don't complain about `# NUMBER' if
10133 we're seeing this input for a second time.
10135 Thu Sep 23 12:54:49 1999 Alex Samuel <samuel@codesourcery.com>
10137 * emit-rtl.c (init_emit_once): Initialize modes first.
10139 Sun Sep 19 01:23:23 1999 Alex Samuel <samuel@codesourcery.com>
10141 * config/i386/i386.c (pic_label_name): Change to char pointer.
10142 (global_offset_table): New variable.
10143 (load_pic_register): Fill global_offset_table if it hasn't
10144 already been done. Allocate pic_label_name dynamically.
10145 * ggc.h (empty_string): New variable.
10146 * ggc-simple.c (empty_string): Likewise.
10147 (init_ggc): Allocate empty_string and add as root.
10148 * stmt.c (digit_strings): New variable.
10149 (init_stmt): Add last_block_end_note as root. Allocate and
10150 initialize digit_strings.
10151 (expand_asm_operands): Use empty_string instead of string
10152 constant. Use digit_strings instead of string constants.
10153 * profile.c (init_arc_profiler): Allocate string with
10154 ggc_alloc_string instead of xmalloc.
10155 (output_func_start_profiler): Likewise.
10156 * c-typeck.c (digest_init): Check if init is error_mark_node.
10158 Thu Sep 23 12:59:14 1999 Alex Samuel <samuel@codesourcery.com>
10159 Richard Henderson <rth@cygnus.com>
10161 * ggc-page.c: New file.
10162 * Makefile.in (ggc-page.o): New.
10164 Thu Sep 23 13:55:21 1999 Jeffrey A Law (law@cygnus.com)
10166 * invoke.texi: Document -fdelete-null-pointer-checks
10167 * toplev.c (flag_delete_null_pointer_checks): New.
10168 (f_options): Add entry for -fdelete-null-pointer-checks.
10169 (rest_of_compilation): Conditionalize null pointer check
10170 elimination on flag_delete_null_pointer_checks.
10171 (main): If -O2 or greater, enable -fdelete-null-pointer-checks
10173 1999-09-23 10:56 -0700 Zack Weinberg <zack@bitmover.com>
10175 * iso646.h, stdarg.h, stdbool.h, stddef.h, varargs.h: Add
10176 copyright notice and special exception to GPL.
10178 Thu Sep 23 13:40:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10180 * abi64.h (mips_function_value): Add prototype arguments.
10182 * mips-protos.h: New file with mips prototypes.
10184 * mips.c: Include "tm_p.h".
10185 (mktemp, lookup_name): Add prototype arguments.
10186 (extern_list, string_constant, mips_fill_delay_slot,
10187 mips_output_external, mips_output_external_libcall,
10188 mips_output_filename, mips_declare_object, function_prologue,
10189 mips_expand_prologue, function_epilogue, mips16_constant,
10190 build_mips16_function_stub, mips_output_conditional_branch):
10192 (mips_va_start): Remove unused variable `u'.
10193 (mips_va_arg): Cast value to unsigned when comparing against one.
10195 (save_restore_insns, mips_expand_prologue): Add missing arg in
10196 call to `large_int'.
10198 * mips.h: Move prototypes to mips-protos.h.
10199 (data_section, memory_address_p, rdata_section,
10200 readonly_data_section, simple_epilogue_p, text_section): Delete
10201 prototypes delcared elsewhere.
10202 (mips_epilogue_delay_slots, print_options): Delete unused decls.
10204 (GO_PRINTF, GO_PRINTF2): Call fprintf, not trace.
10206 * mips.md: Delete extra args in call to `mips_move_2words'.
10208 * xm-iris6.h (alloca): Add prototype argument.
10210 * genpeep.c: Include "tm_p.h" in generated output file.
10212 Thu Sep 23 10:36:55 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
10214 * basic-block.h (find_edge_index): Change parameters.
10215 * flow.c (verify_edge_list): Pass basic_block parameters to
10216 find_edge_index instead of integers.
10218 Thu Sep 23 15:54:12 1999 Nick Clifton <nickc@cygnus.com>
10220 * combine.c (simplify_comparison): Use an unsigned shift to adjust
10223 Thu Sep 23 08:46:21 1999 Guy Harris <guy@netapp.com>
10225 * gcc.1: Fix a formatting error.
10227 Wed Sep 22 16:10:21 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
10229 * install.texi (Configurations): Remove pyramid. Add fr30, i686,
10230 i786, mn10200, mn10300, pdp11, v850.
10232 Thu Sep 23 07:37:13 1999 Dan Nicolaescu <dann@ics.uci.edu>
10234 * libgcc2.c (num_digits): Add prototype with
10235 __attribute__((const)).
10236 (__terminate): Add prototype.
10238 Thu Sep 23 05:32:06 1999 Richard Henderson <rth@cygnus.com>
10240 * builtins.c, dbxout.c, varasm.c: Include tm_p.h.
10242 * alpha/alpha.c (print_operand): Fix type of `code'.
10243 (alpha_output_filename): Constify.
10244 * alpha/alpha.h: Move all function declarations ...
10245 * alpha/alpha-protos.h: ... here. New file.
10246 * alpha/elf.h (CONST_SECTION_FUNCTION): Prototype the function.
10247 (SECTION_FUNCTION_TEMPLATE): Likewise.
10249 Thu Sep 23 11:15:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10251 * expmed.c (do_cmp_and_jump): Pass ccp_jump to can_compare_p.
10252 * expr.c (expand_expr): Likewise.
10253 (do_jump): Likewise.
10254 (do_store_flag): Pass ccp_store_flag to can_compare_p.
10255 * expr.h (enum optab_index): Add cbranch, cmov, cstore optabs and
10257 (enum can_compare_purpose): New.
10258 (can_compare_p): Adjust prototype.
10259 (prepare_cmp_insn, prepare_operand): Declare.
10260 * genopinit.c (optabs): Add cbranch_optab, cmov_optab, cstore_optab.
10261 * optabs.c (cmp_available_p): Deleted.
10262 (expand_abs): Pass ccp_jump to can_compare_p.
10263 (can_compare_p): New arg PURPOSE. Check for combined optabs.
10264 (prepare_cmp_insn): No longer static. Add arg PURPOSE.
10265 Call can_compare_p rather than cmp_available_p.
10266 (prepare_operand): No longer static.
10267 (emit_cmp_and_jump_insn): Check for and use cbranch patterns.
10268 (emit_cmp_and_jump_insns): Pass ccp_jump to prepare_cmp_insn.
10269 (expand_float): Fix a slightly broken emit_cmp_insn/emit_jump_insn
10270 sequence to use emit_cmp_and_jump_insns.
10271 (init_optabs): Initialize cbranch_optab, cmov_optab, cstore_optab.
10273 Wed Sep 22 17:58:01 1999 Stan Cox <scox@cygnus.com>
10275 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Don't accept large
10276 register offsets; let LEGITIMIZE_ADDRESS load it into a register.
10277 (LEGITIMIZE_ADDRESS): Use plus_constant to avoid
10278 (plus (reg) (const_int 0))
10279 * mips.md (call_internal3c): New pattern for -mips16 -mlong-calls.
10281 Wed Sep 22 17:55:31 1999 David Edelsohn <edelsohn@gnu.org>
10283 * rs6000.c (expand_block_move): DImode loads and stores require
10284 word-aligned displacements. Increment address registers with
10285 adddi3 on 64-bit platform. Use TARGET_POWERPC64 not TARGET_64BIT.
10287 Wed Sep 22 17:35:55 1999 Michael Meissner <meissner@cygnus.com>
10289 * dwarf2out.c (base_type_die): Use the name __unknown__ if there
10290 is no name for the base type, rather than segfault. If we are
10291 writing out a complex integer type, use DW_ATE_lo_user.
10293 * expr.c (emit_move_insn_1): If we are copying a complex that fits
10294 in one word or less (complex char, complex short, or on 64 bit
10295 systems complex float) to/from a hard register, copy it through
10296 memory instead of dying in gen_{real,imag}part. If we have a
10297 short complex type, prevent inlining since it allocates stack
10300 * tree.c (build_complex_type): If we are writing dwarf2 output,
10301 generate a name for complex integer types.
10303 Wed Sep 22 11:34:08 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
10305 * basic-block.h (add_noreturn_fake_exit_edges): Use correct name.
10306 * flow.c (remove_edge): Remove extra whitespace.
10307 (remove_fake_edges): Fix comment.
10308 (add_noreturn_fake_exit_edges): Use the correct name.
10310 Wed Sep 22 16:12:40 BST 1999 Nathan Sidwell <nathan@acm.org>
10312 * Makefile.in (INTL_MOSTLYCLEAN, INTL_CLEAN): New variables.
10313 (mostlyclean): Depend on INTL_MOSTLYCLEAN.
10314 (clean): Depend on INTL_CLEAN.
10315 (maintainer-clean): Adjust.
10317 Wed Sep 22 10:18:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10319 * configure.in (AC_PREREQ): Bump to 2.13.
10320 (AC_C_STRINGIZE): Call this instead of using a custom macro.
10322 * gansidecl.h (HAVE_STRINGIZE): Define, if stage2 gcc && __STDC__.
10324 * system.h (HAVE_STRINGIZE): Test this instead of HAVE_CPP_STRINGIFY.
10326 * acconfig.h (HAVE_CPP_STRINGIFY): Delete.
10328 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Delete.
10329 (HAVE_STRINGIZE): Define.
10331 Wed Sep 22 06:25:15 1999 Jim Kingdon <http://developer.redhat.com>
10333 * c-parse.in: save and restore warn_pointer_arith on __extension__
10334 along with pedantic.
10335 (SAVE_WARN_FLAGS, RESTORE_WARN_FLAGS): Added.
10336 Set the type of extension to itype rather than $<itype>1 kludge.
10337 * extend.texi (Alternate Keywords): Adjust documentation.
10338 * c-parse.c, c-parse.y, objc-parse.c, objc-parse.y: Rebuilt.
10340 Wed Sep 22 06:06:57 1999 Jeffrey A Law (law@cygnus.com)
10342 * pa.c, pa.h, pa.md: Support multiple assembler dialects in
10343 most assembler templates.
10345 * pa.c (hppa_legitimize_address): Handle full offsets for PA2.0
10346 FP loads and stores.
10347 (following_call): Always return zero for the PA8000.
10348 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Handle full offsets for PA2.0
10349 FP loads and stores.
10350 (LEGITIMIZE_RELOAD_ADDRESS): Similarly.
10352 * pa.h (BRANCH_COST): Define.
10354 * pa.md (return, return_internal): Use bve for PA2.0.
10356 * pa.md (fused multiply): Add variants which reduce height for the
10357 fused multiply, but which still generate 2 insns.
10358 (fnegabs): Similarly.
10360 * pa.md (subsi3): Turn into an expander. Create two anonymous
10361 patterns. One for PA2.0 one for PA1.x. Use mtsarcm for PA2.0.
10362 * pa.h (EXTRA_CONSTRAINT): Handle 'S'.
10364 * pa.md (floatunssisf2, floatunssidf2): Generate different RTL
10366 (floatunssidf2_pa20, floatunssisf2_pa20): New patterns for PA2.0
10368 (floatunsdisf2, floatunsdidf2, fixuns_truncsfsi2): Likewise.
10369 (fixuns_truncdfsi2, fixuns_truncsfdi2, fixuns_truncdfsi2): Likewise.
10371 * regclass.c (init_regs): Add "top_of_stack" as a garbage
10374 * flow.c (record_active_eh_regions): Terminate loop after finding
10375 the last insn in the last basic block.
10377 Wed Sep 22 20:25:00 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10379 * config/c4x/c4x.md: Delete parallel instruction peepholes.
10381 Wed Sep 22 19:59:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10383 * config/c4x/c4x.c (c4x_add_gc_roots): Add tree roots.
10385 Wed Sep 22 19:56:25 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10387 * config/c4x/c4x.c (c4x_process_after_reload): Rework machdep insn
10388 splitting to not use output template.
10390 Wed Sep 22 19:50:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10392 * config/c4x/c4x.h (EXPAND_BUILTIN_VA_START): Call c4x_va_start.
10393 * config/c4x/c4x.c (c4x_va_start): New function.
10395 Tue Sep 21 18:40:01 1999 Jan Hubicka <hubicka@freesoft.cz>
10397 * genrecog.c (not_both_true): Handle correctly cases when called for
10398 tests with different positions in the insn.
10400 Tue Sep 21 18:29:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10402 * machmode.h (HOST_PTR_PRINTF): Move from here ...
10404 * system.h (HOST_PTR_PRINTF): ... to here.
10406 * mips-tfile.c: Don't include machmode.h.
10408 * Makefile.in (MACHMODE_H): New variable. Update to use it.
10409 (mips-tfile.o): Don't depend on machmode.h.
10411 Tue Sep 21 18:27:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10413 * haifa-sched.c (sched_analyze): Rename local variable `region' to
10414 avoid conflicts with typedef struct `region' at the top level scope.
10416 Tue Sep 21 14:14:50 1999 Richard Henderson <rth@cygnus.com>
10418 * basic-block.h (basic_block): Add eh_beg, eh_end.
10419 * flow.c (entry_exit_blocks): Update.
10420 (find_basic_blocks): Don't allocate bb_eh_end, or pass it around.
10421 Call new functions.
10422 (find_basic_blocks_1): Don't record eh_list at each bb. Use
10423 lists.c functions to allocate insn lists.
10424 (make_edges): Use eh_beg+eh_end, not the lists. Split out EH
10426 (make_eh_edge): ... here. New.
10427 (move_stray_eh_region_notes): New.
10428 (record_active_eh_regions): New.
10429 (delete_unreachable_blocks): Split out block merging ...
10430 (try_merge_blocks): ... here. New.
10431 (merge_blocks_move_predecessor_nojumps): Remove edge arg.
10432 Dump debugging data.
10433 (merge_blocks_move_successor_nojumps): Likewise.
10434 (merge_blocks): Use eh_beg+eh_end to validate block movement.
10436 Tue Sep 21 11:15:03 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
10438 * extend.texi (Bound member functions): Document unbound pmf
10441 Tue Sep 21 14:55:11 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
10443 * flow.c (split_edge): Handle insertion on a fallthrough edge which
10444 has the EXIT_BLOCK as a dest.
10446 Tue Sep 21 14:51:23 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
10448 * flow.c (remove_edge): New function to remove an edge from the
10450 (remove_fake_successors): New function to remove fake successor edges.
10451 (remove_fake_edges): New function to remove all fake edges from the
10453 (add_fake_exit_edges): New function to add fake edges from all blocks
10454 with no successors to the exit block.
10455 * basic-block.h (remove_fake_edges, add_fake_exit_edges): Add
10456 prototypes for new functions.
10458 Tue Sep 21 14:49:53 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
10460 * config/mips/elf64.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR):
10461 Use Pmode to determine whether to output .dword or .word.
10463 Tue Sep 21 11:04:34 1999 Alex Samuel <samuel@codesourcery.com>
10465 * tree.c (built_in_filename): New variable.
10466 (BUILT_IN_FILENAME): New macro.
10467 (init_tree_codes): Allocate built_in_filename.
10468 (make_node): Use built_in_filename instead of string constant.
10470 Tue Sep 21 14:13:27 1999 Nick Clifton <nickc@cygnus.com>
10472 * configure.in: Add fr30 target.
10473 * configure: Regenerate.
10474 * config/fr30: New directory.
10475 * config/fr30/crti.asm: New file.
10476 * config/fr30/fr30.c: New file.
10477 * config/fr30/crtn.asm: New file.
10478 * config/fr30/fr30.h: New file.
10479 * config/fr30/fr30.md: New file.
10480 * config/fr30/lib1funcs.asm: New file.
10481 * config/fr30/t-fr30: New file.
10482 * config/fr30/xm-fr30.h: New file.
10484 Tue Sep 21 06:45:31 1999 Jeffrey A Law (law@cygnus.com)
10486 * flow.c (merge_blocks_move_successor_nojumps): Delete the
10487 BARRIER at the end of the successor, not the BARRIER before
10490 * pa.c (pa_add_gc_roots): Fix thinko in last change.
10492 Tue Sep 21 05:29:17 1999 Richard Earnshaw (rearnsha@arm.com)
10494 * stmt.c (any_pending_cleanups): Don't crash when
10495 current_function->stmt is unset.
10497 Tue Sep 21 00:59:49 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10499 * emit-rtl.c (init_emit_once): Initialize const_int_rtx before
10500 other initializations that may use it for relative offsets.
10502 Mon Sep 20 21:43:25 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10504 * config/i386/sol2.h (PREFERRED_DEBUGGING_TYPE): Use stabs.
10505 (ASM_SPEC): Moved from sol2dbg.h. Added work-around for gas.
10506 * config/i386/sol2dbg.h: Removed.
10507 * config/i386/sol2gas.h: New file, to enable gas work-around.
10508 * configure.in: Use i386/sol2gas.h on Solaris/x86 --with-gas.
10509 Don't use sol2dbg.h.
10510 * configure: Rebuilt.
10512 Mon Sep 20 13:29:41 1999 Mark Mitchell <mark@codesourcery.com>
10514 * invoke.texi (-fthis-is-variable): Remove documentation.
10516 Mon Sep 20 12:59:16 1999 Richard Henderson <rth@cygnus.com>
10518 * basic-block.h (compute_bb_for_insn): Declare.
10519 * flow.c (compute_bb_for_insn): Export. Don't accept the varray
10520 to use; set size of basic_block_for_insn directly.
10521 (find_basic_blocks): Update.
10523 Mon Sep 20 15:11:54 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10525 * flow.c (verify_flow_info): Fix typo, "abort;" -> "abort ();".
10527 Mon Sep 20 14:56:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10529 * crtstuff.c (ON_EXIT): Delete empty macro definition.
10530 (__do_global_ctors_aux): Call atexit(), not ON_EXIT().
10532 Mon Sep 20 15:25:35 1999 Nick Clifton <nickc@cygnus.com>
10534 * c-decl.c (c_decode_option): Extend comment.
10536 Mon Sep 20 14:43:37 1999 Nick Clifton <nickc@cygnus.com>
10538 * toplev.c (progname): Make 'const char *'
10539 (flag_print_mem): Move out of main.
10540 (version_flag): Move out of main.
10541 (filename): Move out of main.
10542 (debug_args): Remove g prefix from options.
10543 (documented_lang_options): Remove cpplib specific options.
10544 (display_help): Add g prefix to debug options.
10545 (check_lang_option): Delete this function.
10546 (decode_d_option): New function: Decode -d... option.
10547 (decode_f_option): New function: Decode -f... option.
10548 (decode_W_option): New function: Decode -W... option.
10549 (decode_g_option): New function: Decode -g... option.
10550 (independent_decode_option): New function: Decode a language
10551 independent command line option.
10552 (main): Invoke lang_decode_option and then
10553 independent_decode_option on each command line option in
10556 Mon Sep 20 05:41:36 1999 Jeffrey A Law (law@cygnus.com)
10558 Revert this change. Gavin's patch to operand_equal_p is a better fix.
10559 * fold-const.c (fold_range_test): Do not try to fold the range
10560 test if the rhs or lhs has side effects.
10562 * basic-block.h (compute_flow_dominators): Declare.
10564 * gcse.c (alloc_code_hoist_mem): New function.
10565 (free_code_hoist_mem, compute_code_hoist_vbeinout): Likewise.
10566 (compute_code_hoist_data, hoist_expr_reaches_here_p): Likewise.
10567 (hoist_code, one_code_hoisting_pass): Likewise.
10568 (gcse_main): If optimizing for size, then hoist expressions
10569 computed in multiple dominated basic blocks.
10571 * gcse.c (invalid_nonnull_info): New function.
10572 (delete_null_pointer_checks): Likewise.
10573 * rtl.h (delete_null_pointer_checks): Declare.
10574 * toplev.c (rest_of_compilation): Call delete_null_pointer_checks.
10576 * flow.c (merge_blocks_move_predecessor_nojumps): New function.
10577 (merge-blocks_move_successor_nojumps): Likewise.
10578 (merge_blocks): Allow merging of some blocks, even if it requires
10579 physical movement of the blocks, but not if it requires new jumps.
10581 * bitmap.c (debug_bitmap_file): Renmaed from bitmap_debug_file.
10582 Callers and prototype changed.
10583 * bitmap.h: Fix debug_bitmap and debug_bitmap_file prototypes.
10585 Mon Sep 20 06:56:32 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10587 * config/sparc/sol2.h (LINK_SPEC): Avoid the duplication of
10588 -YP when both -p and -pg are present. From i386/sol2.h.
10590 Mon Sep 20 10:49:05 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10592 * Makefile.in (distclean): Delete tm_p.h.
10593 * configure.in: Create a new file, "tm_p.h", from a list in
10594 "tm_p_file". For ix86 systems, set up "tm_p_file" to include
10595 "i386/i386-protos.h".
10597 * alias.c: Include "tm_p.h".
10598 * c-typeck.c: Likewise.
10599 * calls.c: Likewise.
10601 * emit-rtl.c: Likewise.
10602 * explow.c: Likewise.
10603 * expmed.c: Likewise.
10604 * expr.c: Likewise.
10605 * final.c: Likewise.
10606 * flow.c: Likewise.
10607 * fold-const.c: Likewise.
10608 * function.c: Likewise.
10609 * gcse.c: Likewise.
10610 * global.c: Likewise.
10611 * haifa-sched.c: Likewise.
10612 * integrate.c: Likewise.
10613 * jump.c: Likewise.
10614 * local-alloc.c: Likewise.
10615 * loop.c: Likewise.
10616 * optabs.c: Likewise.
10617 * recog.c: Likewise.
10618 * reg-stack.c: Likewise.
10619 * regclass.c: Likewise.
10620 * regmove.c: Likewise.
10621 * reload.c: Likewise.
10622 * reload1.c: Likewise.
10623 * reorg.c: Likewise.
10624 * resource.c: Likewise.
10625 * stmt.c: Likewise.
10626 * stor-layout.c: Likewise.
10627 * toplev.c: Likewise.
10628 * tree.c: Likewise.
10629 * unroll.c: Likewise.
10630 * genattrtab.c (main): Make generated file include "tm_p.h".
10631 * genemit.c (main): Likewise.
10632 * genoutput.c (main): Likewise.
10633 * genrecog.c (main): Likewise.
10635 * i386.h: Delete all prototypes.
10636 * i386.c: Include "tm_p.h".
10637 (ix86_attr_length_default): Call constant_call_address_operand
10638 with correct number of arguments.
10639 * i386-protos.h: New file.
10640 * i386.md (unnamed patterns): Call constant_call_address_operand
10641 with correct number of arguments.
10642 (exception_receiver): Call load_pic_register with correct number
10645 Sun Sep 19 14:18:39 1999 Richard Henderson <rth@cygnus.com>
10647 * c-pragma.c (mark_align_stack): Dereference the void* properly.
10649 Sun Sep 19 09:03:40 1999 Mark Mitchell <mark@codesourcery.com>
10651 * rtl.h (insns_safe_to_move_p): New function.
10652 * loop.c (find_and_verify_loops): Use it.
10653 * rtlanal.c (insns_safe_to_move_p): Define it.
10655 Sun Sep 19 02:54:33 1999 Richard Henderson <rth@cygnus.com>
10657 * c-pragma.c: Include ggc.h.
10658 * Makefile.in (c-pragma.o): Update.
10660 Sat Sep 18 16:01:18 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10662 * config/i386/sol2.h (CPP_SPEC): Support -[p]threads
10663 (LIB_SPEC): Likewise.
10664 (LINK_SPEC): Do not assert -z text with -shared -mimpure-text.
10665 Reindent -YP/-p/-pg.
10666 Copied from config/sparc/sol2.h.
10668 Sat Sep 18 11:52:43 1999 Richard Henderson <rth@cygnus.com>
10670 * c-pragma.c (mark_align_stack): New.
10671 (init_pragma): New.
10672 * c-pragma.h (init_pragma): Declare it.
10673 * c-lex.c (init_parse): Call it.
10675 Sat Sep 18 15:20:38 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10677 * configure.in: Pick up thread library on Solaris/x86 just
10678 like on Solaris/sparc.
10679 * configure: Rebuilt.
10681 Sat Sep 18 11:15:58 1999 Alex Samuel <samuel@codesourcery.com>
10683 * rtl.h (global_rtx_index): New enum.
10684 (global_rtl): Change to array of rtx.
10685 (pc_rtx, cc0_rtx): Redefine accordingly.
10686 (cc0_rtx, stack_pointer_rtx, frame_pointer_rtx): Likewise.
10687 (hard_frame_pointer_rtx, arg_pointer_rtx): Likewise.
10688 (virtual_incoming_args_rtx, virtual_stack_vars_rtx): Likewise.
10689 (virtual_outgoing_args_rtx, virtual_cfa): Likewise.
10690 (const_int_rtx): Change to array of rtx.
10691 (const0_rtx, const1_rtx, const2_rtx, constm1_rtx): Redefine
10693 * emit-rtl.c (global_rtl): Change to array of rtx.
10694 (const_int_rtx): Change to aray of rtx.
10695 (gen_rtx_CONST_INT): Redefine accordingly.
10696 (init_emit_once): Allocate and initialize global_rtl. Likewise
10697 for const_int_rtx. Add both as GC roots.
10698 * genattrtab.c (global_rtl): Update declaration.
10700 1999-09-17 Ulrich Drepper <drepper@cygnus.com>
10702 * Makefile (USER_H): Add iso646.h back.
10704 Sat Sep 18 01:07:21 1999 Jeffrey A Law (law@cygnus.com)
10706 * haifa-sched.c (sched_analyze): Use free_INSN_LIST_list instead of
10707 zapping the LOG_LINKS of sched_before_next_call.
10709 * pa.h (INSN_SETS_ARE_DELAYED): Delete.
10710 * pa.c (insn_refs_are_delayed): Renamed from
10711 insn_sets_and_refs_are_delayed.
10713 Fri Sep 17 15:19:01 1999 Mark Mitchell <mark@codesourcery.com>
10715 * functiion.h (struct function): Add x_whole_function_mode_p.
10716 (retrofit_block): Declare.
10717 * function.c (retrofit_block): New function.
10718 (identify_blocks): Add assertions. Allow an incomplete set of
10719 block notes if we're still generating code for the function.
10720 * integrate.c: Include loop.h.
10721 (expand_inline_function): Call find_loop_tree_blocks to map block
10722 notes to blocks when in whole-function mode. Use retrofit_block
10723 to insert new BLOCKs for the inlined function, rather than
10725 * stmt.c (expand_fixup): Likewise. Don't use pushlevel/polevel.
10726 * Makefile.in (integrate.o): Depend on loop.h.
10728 Fri Sep 17 15:11:20 1999 Mark Mitchell <mark@codesourcery.com>
10730 * tree.h (warn_about_unused_variables): Declare.
10731 * stmt.c (warn_about_unused_variables): New function, split out
10733 (expand_end_bindings): Here.
10735 Fri Sep 17 15:07:37 1999 Mark Mitchell <mark@codesourcery.com>
10737 * stmt.c (preserve_subexpressions_p): Don't crash when
10738 current_function->stmt is unset.
10740 Fri Sep 17 15:03:16 1999 Mark Mitchell <mark@codesourcery.com>
10742 * stmt.c (expand_start_bindings): Allow callers to pass a flag
10743 indicating that no NOTE_INSN_BLOCK_BEG note is required.
10744 (expand_start_target_temps): Use it.
10745 * except.c (expand_eh_region_start_for_decl): Likewise.
10746 * expr.c (expand_expr): Likewise.
10748 Fri Sep 17 15:05:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
10750 * fold-const.c (operand_equal_p): Pay attention to side effects.
10752 Fri Sep 17 11:14:17 1999 Jason Merrill <jason@yorick.cygnus.com>
10754 * libgcc2.c (L_exit): Check for ON_EXIT, not HAVE_ON_EXIT.
10755 * sparc/sunos4.h (HAVE_ON_EXIT): Remove.
10757 * tlink.c (scan_linker_output): Look for keywords before accepting
10758 a mangled name in quotes.
10760 Thu Sep 16 16:47:08 1999 Richard Henderson <rth@cygnus.com>
10762 * alpha/alpha-interix.h (DWARF2_UNWIND_INFO): Define to zero.
10763 * alpha/osf2or3.h (DWARF2_UNWIND_INFO): Likewise.
10765 Thu Sep 16 16:35:41 1999 Richard Henderson <rth@cygnus.com>
10767 * alpha.md: Revert Thu Nov 26 change that came in through the
10768 last gcc2 merge: reinstate (plus (plus ...)) reload patterns.
10769 Avoid earlyclobber when possible.
10771 Thu Sep 16 18:44:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10773 * libgcc2.c (__do_global_ctors): Call atexit with one arg.
10775 * sparc/sunos4.h (on_exit): Wrap prototype parameters in PARAMS().
10776 Define HAVE_ON_EXIT.
10778 Thu Sep 16 18:06:35 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10780 * system.h (CTYPE_CONV, TOUPPER, TOLOWER): New macros. Use
10781 CTYPE_CONV in all ctype macros.
10783 * cccp.c (initialize_char_syntax): Use uppercase ctype macro
10786 * cexp.y (initialize_random_junk): Likewise.
10788 * c4x.c (c4x_interrupt_function_p, c4x_handle_pragma): Likewise.
10790 * i370.c (handle_pragma): Likewise.
10792 * i370.h (ASM_OUTPUT_LABELREF, ASM_OUTPUT_ASCII): Likewise.
10794 * v850.c (override_options): Likewise.
10796 * doprint.c (_doprnt): Likewise.
10798 * fixinc/fixincl.c (main, quoted_file_exists, extract_quoted_files):
10801 * fixinc/server.c (load_data): Likewise.
10803 * fold-const.c (real_hex_to_f): Likewise.
10805 * genattr.c (write_upcase, gen_attr): Likewise.
10807 * genattrtab.c (convert_const_symbol_ref, evaluate_eq_attr,
10808 write_upcase): Likewise.
10810 * genemit.c (print_code): Likewise.
10812 * genopinit.c (gen_insn): Likewise.
10814 * genpeep.c (print_code): Likewise.
10816 * genrecog.c (print_code): Likewise.
10818 * optabs.c (init_libfuncs): Likewise.
10820 Thu Sep 16 14:03:32 1999 Mark Mitchell <mark@codesourcery.com>
10822 * haifa-sched.c (sched_analyze): Keep the list of notes organized
10824 (reemit_notes): Likewise.
10826 Thu Sep 16 11:50:52 1999 Alex Samuel <samuel@codesourcery.com>
10828 * ggc.h (ggc_root): Move to ggc-common.c.
10830 (ggc_mark_rtx, ggc_mark_tree): Change to macro.
10831 (ggc_mark_rtvec, ggc_mark_tree_varray): Declare extern.
10832 (ggc_mark_tree_hash_table, ggc_mark_string, ggc_mark): Likewise.
10833 (ggc_mark_roots, ggc_mark_rtx_children, ggc_mark_tree_children): New.
10834 * ggc-common.c (ggc_root): Move from ggc.h.
10835 (roots): Declare, static.
10836 (ggc_mark_rtx, ggc_mark_tree): Renamed to...
10837 (ggc_mark_rtx_children, ggc_mark_tree_children): Don't check for
10838 null or check/set mark bit.
10839 (ggc_mark_roots): New.
10840 * ggc-simple.c (ggc_collect): Call ggc_mark_roots.
10842 Thu Sep 16 11:37:32 1999 Richard Henderson <rth@cygnus.com>
10844 * m32r.c: Include toplev.h.
10845 (*): Add ATTRIBUTE_UNUSED as needed to arguments.
10846 (gen_compare): Rename swap_p to must_swap to match uses.
10847 Add default abort case.
10848 (m32r_output_function_epilogue): Remove unused variables.
10849 (m32r_print_operand): Use HOST_WIDE_INT_PRINT_HEX.
10850 * m32r.h (PROTO, STDIO_PROTO): Rename XPROTO; unconditionally
10851 define to empty parameter list. Update all uses.
10852 (predicate decls): Use enum machine_mode not int.
10853 * m32r.md (movsi): Call abort, not fatal_insn.
10854 (zero_branch_insn, rev_zero_branch_insn): Add default abort case.
10856 1999-09-14 Andrew Haley <aph@cygnus.com>
10858 * config/mips/mips.md (movsi_usw): if operand 1 is const_int 0,
10859 use $0 instead of 0.
10861 Thu Sep 16 10:53:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10863 * reload1.c (order_regs_for_reload): Move hard_reg_n_uses
10864 computation out of loop over hard regs.
10866 Wed Sep 15 21:37:06 1999 Mark Mitchell <mark@codesourcery.com>
10868 * function.c (identify_blocks): Don't shadow a variable in an
10870 * integrate.c (integrate_decl_tree): Don't use pushlevel,
10871 pushdecl, or poplevel to build up the new BLOCK tree.
10872 (expand_inline_function): Likewise.
10873 (integrate_parm_decls): Likewise.
10875 Wed Sep 15 21:20:38 1999 Mark Mitchell <mark@codesourcery.com>
10877 * c-typeck.c (qualify_type): Merge qualifiers from both types.
10879 1999-09-15 Brad Lucier <lucier@math.purdue.edu>
10881 * toplev.c: Allow -f[no-]math-errno to set (clear) flag_errno_math
10882 * invoke.texi: Document this change.
10884 Wed Sep 15 17:56:00 1999 Richard Henderson <rth@cygnus.com>
10886 * emit-rtl.c (free_emit_status): Don't check DECL_DEFER_OUTPUT.
10888 (mark_emit_status): Renamed from mark_emit_state.
10889 * except.c (mark_eh_status): Renamed from mark_eh_state.
10890 Check not null before marking.
10891 (free_eh_status): New.
10892 * expr.c (mark_expr_status, free_expr_status): New.
10893 * function.c (free_machine_status): New.
10894 (free_after_parsing): New.
10895 (free_after_compilation): Move bits to free_after_parsing; call
10896 free_eh_status, free_expr_status; zero the marked members of the
10898 (prepare_function_start): No can_garbage_collect.
10899 Call init_eh_for_function.
10900 (expand_dummy_function_end): Free up current_function state.
10901 (mark_function_status): Renamed from mark_function_state.
10902 (mark_function_chain): No can_garbage_collect. Call mark_expr_status.
10903 * function.h (struct function): No can_garbage_collect.
10904 (free_machine_status, free_after_parsing): Declare.
10905 (free_eh_status, free_expr_status): Declare.
10906 * ggc.h (mark_expr_status): Declare.
10907 * stmt.c (free_stmt_status): Free the struct.
10908 (mark_stmt_status): Renamed from mark_stmt_state.
10909 (init_stmt): Don't call init_eh.
10910 (init_stmt_for_function): Don't call init_eh_for_function.
10911 * toplev.c (compile_file): Call init_eh.
10912 (rest_of_compilation): Free basic block info before ggc_collect.
10913 Call free_after_parsing; conditionally call free_after_compilation.
10914 * varasm.c (mark_varasm_status): Renamed from mark_varasm_state.
10915 Check not null before marking.
10916 (free_varasm_status): Don't check DECL_DEFER_OUTPUT. Free the struct.
10918 Wed Sep 15 17:53:16 1999 Richard Henderson <rth@cygnus.com>
10920 * c-lex.c (yylex): Initialize warn.
10922 Wed Sep 15 18:35:38 1999 Jeffrey A Law (law@cygnus.com)
10924 * pa.c (emit_move_sequence): Properly set the mode of the scratch
10925 register when performing secondary reloads for the SAR register.
10927 Wed Sep 15 15:51:52 1999 Mark Mitchell <mark@codesourcery.com>
10929 * rtl.h (NOTE_BLOCK_NUMBER): Replace with ...
10930 (NOTE_BLOCK): New macro.
10931 (NOTE_BLOCK_LIVE_RANGE_BLOCK): Remove.
10932 * function.h (identify_blocks): Change prototype.
10933 * function.c (identify_blocks): Simplify.
10934 (reorder_blocks): Likewise.
10935 * ggc-common.c (ggc_mark_rtx): Mark the BLOCK associated with a
10936 NOTE_INSN_BLOCK_{BEG,END}.
10937 * haifa-sched.c (sched_analyze): Don't put NOTE_BLOCK_NUMBER on
10938 the list of saved notes if the note isn't a
10939 NOTE_INSN_BLOCK_{BEG,END}.
10940 (move_insn1): Use NOTE_EH_HANDLER in comment, rather than
10942 (reemit_notes): Adjust recreation of notes to reflect new saved
10944 * print-rtl.c (print_rtx): Print the address of the BLOCK when
10945 printing a block note.
10946 * stmt.c (block_vector): Remove.
10947 (find_loop_tree_blocks): Simplify.
10948 (unroll_block_trees): Likewise.
10949 * tree.h (reorder_block): Change prototype.
10951 Wed Sep 15 14:39:35 1999 Jason Merrill <jason@yorick.cygnus.com>
10953 * gbl-ctors.h: Lose HAVE_ATEXIT. Don't define ON_EXIT.
10954 * libgcc2.c: Lose obsolete defn of WEAK_ALIAS.
10955 (__bb_init_func, __bb_init_prg): Use atexit instead of ON_EXIT.
10956 (__do_global_dtors): Likewise. Don't mess with _exit_dummy_decl.
10957 (atexit, exit): Simplify.
10958 * tm.texi: Document NEED_ATEXIT and ON_EXIT. Remove HAVE_ATEXIT.
10959 * config/lots: Remove defns of HAVE_ATEXIT.
10961 Wed Sep 15 10:25:12 1999 Mark Mitchell <mark@codesourcery.com>
10963 * calls.c (precompute_arguments): Fix typo in comment.
10964 * expr.c (preexpand_calls): Don't preexpand the cleanup in a
10967 Wed Sep 15 09:59:59 1999 Mark Mitchell <mark@codesourcery.com>
10969 * dsp16xx.c (override_options): Fix typos in GC root registration.
10971 Wed Sep 15 15:23:28 1999 Philip Blundell <pb@nexus.co.uk>
10973 * config/arm/linux-elf.h (MAKE_DECL_ONE_ONLY): Copy definition
10974 from config/svr4.h.
10975 (UNIQUE_SECTION_P, UNIQUE_SECTION): Likewise.
10976 (FUNCTION_PROFILER): Redefine appropriately for Linux.
10977 (CC1_SPEC): Likewise.
10979 Wed Sep 15 10:09:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10981 * genattr.c (main): Add extern prototype. Call return, not exit.
10982 * genattrtab.c (main): Likewise.
10983 * gencheck.c (main): Likewise.
10984 * gencodes.c (main): Likewise.
10985 * genconfig.c (main): Likewise.
10986 * genemit.c (main): Likewise.
10987 * genextract.c (main): Likewise.
10988 * genflags.c (main): Likewise.
10989 * gengenrtl.c (main): Likewise.
10990 * genopinit.c (main): Likewise.
10991 * genoutput.c (main): Likewise.
10992 * genpeep.c (main): Likewise.
10993 * genrecog.c (main): Likewise.
10995 * genattr.c (get_insn_name): Mark parameter with ATTRIBUTE_UNUSED.
10996 * genattrtab.c (get_insn_name): Likewise.
10997 * gencodes.c (get_insn_name): Likewise.
10998 * genconfig.c (get_insn_name): Likewise.
10999 * genemit.c (get_insn_name): Likewise.
11000 * genextract.c (get_insn_name): Likewise.
11001 * genflags.c (get_insn_name): Likewise.
11002 * genopinit.c (get_insn_name): Likewise.
11003 * genpeep.c (get_insn_name): Likewise.
11005 * gencheck.c (usage): Add static prototype.
11006 * genextract.c (print_path): Constify a char*.
11007 * genopinit.c (optabs): Likewise.
11008 * genoutput.c (operand_data, data, output_predicate_decls,
11009 compare_operands): Likewise.
11010 * genrecog.c (write_tree): Add default case in switch.
11012 Wed Sep 15 09:59:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11014 * rtl.h (get_insn_name, print_rtl_with_bb): Add prototypes.
11016 * print-rtl.c (get_insn_name): Remove prototype.
11018 * toplev.h (progname): Declare const.
11020 * toplev.c (init_decl_processing, init_obstacks, init_tree_codes,
11021 init_regs, init_optabs, init_stmt, init_reg_sets, dump_flow_info,
11022 dump_sched_info, dump_local_alloc, regset_release_memory,
11023 print_rtl, print_rtl_with_bb, rest_of_decl_compilation,
11024 error_with_file_and_line, error_with_decl, error_for_asm, error,
11025 fatal, warning_with_file_and_line, warning_with_decl, warning,
11026 pedwarn, pedwarn_with_decl, pedwarn_with_file_and_line, sorry):
11027 Remove redundant prototypes.
11029 (notice, check_lang_option, report_file_and_line, vnotice,
11030 mark_file_stack): Add static prototype.
11031 (set_fatal_function): Add prototype.
11032 (vnotice, report_file_and_line, set_fatal_function,
11033 check_lang_option): Constify a char*.
11034 (main): Prototype. Call return, not exit.
11036 Wed Sep 15 09:50:18 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11038 * aclocal.m4 (AC_GCC_C_LONG_DOUBLE): New macro.
11040 * configure.in (AC_GCC_C_LONG_DOUBLE): Call it.
11042 * gansidecl.h (HAVE_LONG_DOUBLE): Define if gcc for stage2.
11044 * ggc-simple.c (HAVE_LONG_DOUBLE): Test before using long double.
11046 Wed Sep 15 11:04:43 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11048 * function.c (assign_parms): Delete arg SECOND_TIME. Don't test it,
11049 behave as if it's zero in all cases.
11050 (expand_function_start): Adjust call to assign_parms.
11051 * tree.h (assign_parms): Adjust prototype.
11052 * objc/objc-act.c (hack_method_prototype): Adjust call to
11055 Tue Sep 14 21:47:06 1999 Jeffrey A Law (law@cygnus.com)
11057 * cse.c (FIXED_BASE_PLUS_P): Do not consider referneces to
11058 arg_pointer_rtx fixed if the argument pointer register is
11060 (NONZERO_BASE_PLUS_P): Likewise.
11062 Tue Sep 14 20:26:02 1999 Richard Henderson <rth@cygnus.com>
11064 * rtl.def (match_insn, match_insn2): Remove match_insn; rename
11065 match_insn2 to match_insn.
11066 * genrecog.c (add_to_sequence): Rename MATCH_INSN2.
11068 Tue Sep 14 20:10:29 1999 Richard Henderson <rth@cygnus.com>
11070 * Makefile.in (USER_H): Remove va-foo.h.
11072 * ginclude/{va-alpha.h,va-arc.h,va-c4x.h,va-clipper.h,va-h8300.h,
11073 va-i860.h,va-i960.h,va-m32r.h,va-m88k.h,va-mips.h,va-mn10200.h,
11074 va-mn10300.h,va-pa.h,va-ppc.h,va-pyr.h,va-sh.h,va-sparc.h,
11075 va-spur.h,va-v850.h}: Remove.
11077 Tue Sep 14 19:43:16 1999 Richard Henderson <rth@cygnus.com>
11079 * sparc/sparc.md (eligible_for_return_delay): New attribute.
11080 (in_return_delay): Use it instead of match_insn.
11082 Tue Sep 14 23:05:37 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11084 * config/alpha/va_list.h (va-alpha.h): Do not include.
11085 (__gnuc_va_list): Typedef as in varargs.h.
11087 Tue Sep 14 18:14:03 1999 Richard Henderson <rth@cygnus.com>
11089 * ggc-common.c (ggc_mark_tree): Mark DECL_SOURCE_FILE and
11090 DECL_LIVE_RANGE_RTL.
11092 Tue Sep 14 16:47:08 1999 Mark Mitchell <mark@codesourcery.com>
11094 * except.c (expand_eh_region_start_for_decl): Use NOTE_EH_HANDLER,
11095 not NOTE_BLOCK_NUMBER.
11096 (expand_eh_region_end): Likewise.
11097 (find_exception_handler_labels): Likewise.
11098 (scan_region): Likewise.
11099 (exception_optimize): Likewise.
11100 (update_rethrow_references): Likewise.
11101 (set_insn_eh_region): Likewise.
11102 * final.c (final_scan_insn): Likewise.
11103 * flow.c (make_edges): Likewise.
11104 * integrate.c (expand_inline_function): Likewise.
11105 * print-rtl.c (print_rtx): Likewise.
11107 Tue Sep 14 16:30:16 1999 Richard Henderson <rth@cygnus.com>
11109 * ginclude/stdarg.h, ginclude/varargs.h: Implement in
11110 terms of builtin functions and types.
11112 * mips.c (mips_build_va_list): New.
11113 (mips_va_start, mips_va_arg): New.
11114 * mips.h (BUILD_VA_LIST_TYPE): New.
11115 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
11117 * sh.c (sh_builtin_saveregs): Use get_varargs_alias_set.
11118 (sh_build_va_list, sh_va_start, sh_va_arg): New.
11119 * sh.h (BUILD_VA_LIST_TYPE): New.
11120 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
11122 Tue Sep 14 16:20:24 1999 Richard Henderson <rth@cygnus.com>
11124 * recog.h (struct recog_data): Make dup_num, operand_address_p,
11125 n_operands, n_dups, n_alternatives `char' instead of `unsigned char'.
11126 (struct insn_data): Likewise with n_operands, n_dups,
11127 n_alternatives, output_format.
11128 * regclass.c (scan_one_insn): Cast n_operands to int before
11129 arithmetic inside comparison.
11131 Tue Sep 14 15:13:36 1999 Richard Henderson <rth@cygnus.com>
11133 * toplev.c (compile_function): Unconditionally emit nop.
11135 Tue Sep 14 14:41:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11137 * haifa-sched.c (actual_hazard): Move declaration of variable
11138 `this_cost' into the scope where it is used.
11140 Tue Sep 14 14:14:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11142 * c-pragma.c (handle_pragma_token): Wrap variables `name' and
11143 `value' in HANDLE_PRAGMA_WEAK. Wrap variable `align' in
11144 HANDLE_PRAGMA_PACK||HANDLE_PRAGMA_PACK_PUSH_POP.
11146 * genrecog.c (make_insn_sequence): Call memset, not bzero.
11148 * jump.c (find_insert_position): Don't declare or define unless
11149 !HAVE_conditional_arithmetic.
11150 (returnjump_p_1, delete_prior_computation): Add static prototypes.
11152 * mips-tdump.c (fatal, fancy_abort, main): Add extern prototypes.
11154 * recog.c (offsettable_address_p): Prototype function pointer.
11155 (preprocess_constraints): Call memset, not bzero.
11157 * tree.c (tree_node_kind_names): Constify a char*. Make static.
11158 (gcc_obstack_init): Don't declare.
11159 (fix_sizetype): Add static prototype.
11160 (gcc_obstack_init): Use prototype casts in call to _obstack_begin.
11161 (tree_cons): Call memset, not bzero.
11163 * varasm.c (remove_from_pending_weak_list): Wrap declaration and
11164 definition in macro ASM_WEAKEN_LABEL.
11165 (mark_const_hash_entry): Add static prototype.
11167 Tue Sep 14 12:22:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11169 * c-lex.c (handle_generic_pragma): Remove unused variable `c'.
11171 * unroll.c (find_common_reg_term, subtract_reg_term,
11172 loop_find_equiv_value): Add static prototypes.
11173 (unroll_loop): Wrap variable `prev' in macro HAVE_cc0.
11174 (copy_loop_body): Remove unreachable break statement.
11176 * sparc.c (sparc_va_arg): Remove unused variable `tmp'.
11178 * sparc.h (sparc_va_start, sparc_va_arg): Add extern prototypes.
11180 Tue Sep 14 15:28:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11182 Undo some changes from the gcc2 merge:
11183 * rtl.def (CONSTANT_P_RTX): Fix the comment for this rtx code.
11184 * emit-rtl.c (gen_rtx_REG): Don't test special reg rtx's for null
11188 Sat Oct 3 07:20:28 1998 Stephen L Moshier <moshier@world.std.com>
11189 * emit-rtl.c (gen_lowpart_common): Disable optimization of
11190 initialized float-int union if the value is a NaN.
11192 Tue Sep 14 04:03:44 1999 Mumit Khan <khan@xraylith.wisc.edu>
11194 * gthr-win32.h: New file.
11196 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Recognize
11197 shared as a valid attribute.
11198 * i386/cygwin.h (ASM_OUTPUT_SECTION): Handle shared attribute.
11199 * extend.texi: Document `shared' variable attribute.
11201 Tue Sep 14 04:01:46 1999 Loren Rittle <ljrittle@acm.org>
11203 * configure.in: Handle --enable-threads on FreeBSD.
11204 * configure: Rebuit.
11206 Tue Sep 14 03:58:44 1999 Andreas Jaeger <aj@arthur.rhein-neckar.de>
11208 * configure.in: Add crtbeginS.o, crtendS.o for mips-linux; add
11210 * configure: Rebuilt.
11212 Tue Sep 14 03:47:23 1999 Joel Sherrill <joel@OARcorp.com>
11213 Charles-Antoine Gauthier <charles.gauthier@iit.nrc.ca>
11214 Rosimildo DaSilva <rdasilva@connecttel.com>
11216 * configure.in (m68k-*-rtemscoff*): Added.
11217 * configure.in (mips64orion-*-rtems*): Converted to ELF.
11218 * configure.in (sparc-*-rtemsaout*): Added as alias for old
11219 sparc-rtems configuration.
11220 * configure.in (sparc-*-rtemself*): Added.
11221 * configure.in (sparc-*-rtems*): Now ELF not a.out.
11222 * config/i386/rtems.h: Added comment.
11223 * config/sparc/rtemself.h: New file.
11225 * configure.in (m68k-rtemself): Added.
11226 * config/elfos.h: Added ifndef wrapper for DWARF2_DEBUGGING_INFO
11227 and DWARF_DEBUGGING_INFO.
11228 * config/m68k/crti.s: New file.
11229 * config/m68k/crtn.s: New file.
11230 * config/m68k/t-crtstuff: New file.
11231 * config/m68k/rtemself.h: New file.
11233 * configure.in (i[[34567]]86-*-rtemself*): Now uses crtstuff for
11234 global ctor/dtor and C++ exception handling.
11235 * config/i386/rtemself.h: Now uses crtstuff (crti.o + crtbegin.o)
11236 for STARTFILE_SPEC and crtstuff (crtend.o + crtn.o) for
11238 * config/i386/t-rtems-i386: New File.
11240 Tue Sep 14 09:47:41 1999 Andreas Schwab <schwab@suse.de>
11242 * stmt.c (expand_end_case): Return right away if the case stack is
11245 Tue Sep 14 01:47:19 1999 Jeffrey A Law (law@cygnus.com)
11247 * Makefile.in (version.c): Remove rule incorrectly brought in from
11250 Tue Sep 14 01:42:27 1999 Marc Espie <espie@cvs.openbsd.org>
11252 * Makefile.in: Prepend $(SHELL) to move-if-change calls.
11253 * msdos/top.sed: Take into account a prepended $(SHELL) to
11255 * winnt/config-nt.sed: Likewise. Kill bogus substitution.
11257 * objc/Make-lang.in: Prepend $(SHELL) to move-if-change calls.
11259 Tue Sep 14 01:38:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11261 * regmove.c (fixup_match_1): Don't change an unchanging register.
11262 (stable_but_for_p): Renamed to:
11263 (stable_and_no_regs_but_for_p). Reject unchanging registers too.
11264 Changed all callers.
11266 Tue Sep 14 01:33:15 1999 Andreas Schwab <schwab@suse.de>
11268 * loop.c (strength_reduce): Don't call reg_used_between_p if the
11269 insn from BL2 is after the insn from BL.
11271 Mon Sep 13 21:06:01 1999 Richard Henderson <rth@cygnus.com>
11273 * recog.h (INSN_OUTPUT_FORMAT_*): New.
11274 (struct insn_data): Merge `template' and `outfun' into `output'.
11275 Add `output_format'.
11276 * genoutput.c (INSN_OUTPUT_FORMAT_*): New.
11277 (struct data): Remove `outfun'; add `output_format'.
11278 (name_for_index): Remove declaration.
11279 (output_insn_data): Handle output formats.
11280 (process_template): Emit the bare array for @.
11281 (gen_expand, gen_split): Set output_format to NONE.
11282 * output.h (get_insn_template): Declare.
11283 * final.c (get_insn_template): New.
11284 (final_scan_insn): Use it.
11285 * toplev.c (compile_file): Likewise.
11287 * c4x/c4x.c (c4x_process_after_reload): Likewise.
11288 * i860/i860.c (output_delayed_branch): Likewise.
11289 (output_delay_insn): Likewise.
11291 1999-09-13 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11293 * rtl.c (obstack_alloc_rtx): Removed.
11295 1999-09-13 17:03 -0700 Zack Weinberg <zack@bitmover.com>
11297 * config/gmicro/gmicro.md: Disable move DF->DI anonymous pattern.
11299 Mon Sep 13 15:21:46 1999 Richard Henderson <rth@cygnus.com>
11301 * i386.c (call_insn_operand): Reject const_int.
11302 (expander_call_insn_operand): Use call_insn_operand.
11304 Mon Sep 13 17:44:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11306 * gcc.c (getrusage): Wrap prototype arguments in PROTO().
11308 1999-09-13 12:18 -0700 Zack Weinberg <zack@bitmover.com>
11310 * config/i370/i370.md (mulsi, divsi, modsi anonymous insns):
11311 Use DImode operation.
11313 1999-09-13 12:13 -0700 Zack Weinberg <zack@bitmover.com>
11315 * gcc.c: Include sys/resource.h.
11316 (report_times): New flag.
11317 (execute): If report_times is set, calculate and report the
11318 CPU time consumed by each subprocess.
11320 (rus, prus): New globals.
11321 (option_map): Add --time.
11322 (display_help): Document -time.
11323 (process_command): Set report_times if -time is given.
11324 Turn off -pipe if -time is given.
11326 * invoke.texi: Document new option -time.
11328 * configure.in: Check for getrusage. Check if we have to
11329 prototype getrusage.
11330 * acconfig.h: Add NEED_DECLARATION_GETRUSAGE.
11331 * configure: Regenerate.
11332 * config.in: Regenerate.
11334 Mon Sep 13 12:57:06 1999 Dave Brolley <brolley@cygnus.com>
11336 * cppinit.c (append_include_chain): Initialize 'next' and 'alloc'
11339 Mon Sep 13 10:01:33 1999 Nick Clifton <nickc@cygnus.com>
11341 * config/fp-bit.c: Define L_thenan_sf or L_thenan_df (as
11342 appropriate) if FINE_GRAINED_LIBRARIES is not defined.
11343 (nan): Return _thenan_sf or _thenan_df as appropriate.
11344 (L_thenan_sf): Define _thenan_sf.
11345 (L_thenan_df): Define _thenan_df.
11347 * Makefile.in (FPBIT_FUNCS): Add _thenan_sf.
11348 (DPBIT_FUNCS): Add _thenan_df.
11350 Mon Sep 13 09:38:53 1999 Andreas Schwab <schwab@suse.de>
11352 * tree.c (fix_sizetype): Exchange the types for TYPE_SIZE and
11355 Sun Sep 12 23:28:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11357 * Makefile.in (gcc.o, gccspec.o, cppspec.o): Depend on gcc.h.
11360 (lang_specific_driver): Don't take a function pointer parameter.
11361 All callers changed.
11363 * gcc.c: Include gcc.h.
11364 (do_spec, fancy_abort,lang_specific_driver,lang_specific_pre_link,
11365 lang_specific_extra_outfiles, fatal): Don't declare.
11366 (multilib_defaults_raw): Constify.
11367 (read_specs): Call memset, rather than bzero.
11368 (main): Call return, not exit.
11369 (lookup_compiler): Call memcpy, not bcopy.
11370 (fatal): Make extern.
11372 * cppspec.c: Include gcc.h.
11373 (lang_specific_driver): Initialize variable `quote'. Constify a
11374 char*. All calls to the function pointer parameter now
11375 explicitly call `fatal'.
11377 * gccspec.c (lang_specific_driver): Include gcc.h.
11379 Sun Sep 12 19:52:10 1999 Richard Earnshaw <rearnsha@arm.com>
11381 * arm.c (note_invalid_constants): Use recog_data.operand_type
11384 Sun Sep 12 15:53:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11386 * tree.h (build_common_tree_nodes, build_common_tree_nodes_2):
11389 * reload.h (reload_in, reload_out, reload_in_reg, reload_out_reg,
11390 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
11391 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
11392 reload_secondary_in_reload, reload_secondary_out_reload,
11393 reload_secondary_in_icode, reload_secondary_out_icode,
11394 reload_reg_rtx, reload_when_needed): Delete declarations.
11395 (struct reload): New structure.
11396 (rld): Declare new array.
11397 * reload.c (reload_in, reload_out, reload_in_reg, reload_out_reg,
11398 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
11399 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
11400 reload_secondary_in_reload, reload_secondary_out_reload,
11401 reload_secondary_in_icode, reload_secondary_out_icode,
11402 reload_reg_rtx, reload_when_needed): Delete definitions.
11404 (whole file): Replace uses of the deleted arrays with uses of rld.
11405 * reload1.c (whole file): Replace uses of the deleted arrays with
11407 (choose_reload_regs): Copy in/out of save_reload_reg_rtx with
11408 explicit loops, not with bcopy.
11410 Sun Sep 12 05:00:24 1999 Richard Henderson <rth@cygnus.com>
11412 * recog.h (insn_template, insn_outfun, insn_n_operands, insn_n_dups,
11413 insn_n_alternatives, insn_operand_constraint, insn_operand_address_p,
11414 insn_operand_mode, insn_operand_strict_low, insn_operand_predicate,
11415 insn_name): Delete and consolidate into new structures.
11416 (insn_operand_predicate_fn): New.
11417 (insn_output_fn): New.
11418 (insn_gen_fn): New.
11419 (struct insn_operand_data): New.
11420 (struct insn_data): New.
11422 (OUT_FCN): Update for insn_data change.
11423 * builtins.c (expand_builtin_strlen): Likewise.
11424 (expand_builtin_memcmp): Likewise.
11425 * combine.c (make_extraction, simplify_comparison): Likewise.
11426 * cse.c (canon_reg, cse_insn): Likewise.
11427 * explow.c (allocate_dynamic_stack_space, probe_stack_range): Likewise.
11428 * expmed.c (store_bit_field, extract_bit_field): Likewise.
11429 (emit_store_flag): Likewise.
11430 * expr.c (convert_move, emit_block_move): Likewise.
11431 (clear_storage, emit_push_insn, expand_increment): Likewise.
11432 (do_store_flag): Likewise.
11433 * expr.h (GEN_FCN): Likewise.
11434 (insn_gen_function): Die.
11435 * final.c (final_scan_insn): Update for insn_data change.
11436 (output_asm_name): Likewise.
11437 * function.c (fixup_var_refs_1): Likewise.
11438 * loop.c (check_dbra_loop): Likewise.
11439 * optabs.c (expand_binop, expand_twoval_binop): Likewise.
11440 (expand_unop, expand_complex_abs, emit_unop_insn): Likewise.
11441 (prepare_cmp_insn, prepare_operand, emit_indirect_jump): Likewise.
11442 (emit_conditional_move, gen_add2_insn, gen_sub2_insn): Likewise.
11443 * recog.c (validate_replace_rtx_1, extract_insn): Likewise.
11444 * regmove.c (gen_add3_insn): Likewise.
11445 * reload.c (push_secondary_reload, combine_reloads): Likewise.
11446 (find_reloads, find_reloads_address_1): Likewise.
11447 (debug_reload_to_stream): Likewise.
11448 * reload1.c (emit_reload_insns, gen_reload): Likewise.
11449 * stmt.c (expand_end_case): Likewise.
11450 * toplev.c (compile_file): Likewise.
11452 * c4x/c4x.c (c4x_process_after_reload): Likewise.
11453 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
11455 * print-rtl.c (insn_name_ptr): Remove declaration.
11456 (get_insn_name): Declare.
11457 (print_rtx): Use it.
11458 * genoutput.c (insn_name_ptr): Remove.
11459 (next_operand_number): New.
11460 (struct operand_data): New.
11461 (null_operand, odata, odata_end): New.
11462 (struct data): Use struct operand_data.
11463 (idata, idata_end): Renamed from insn_data and end_of_insn_data.
11464 (get_insn_name): Renamed from name_for_index.
11465 (output_prologue): Define NO_MD_PROTOTYPES.
11466 (output_predicate_decls): Break out from output_epilogue.
11467 Iterate over the operands list.
11468 (output_operand_data): Break out from output_epilogue. Emit
11469 just the operands list.
11470 (output_insn_data): Break out from output_epilogue. Emit just
11472 (output_epilogue): Remove.
11473 (output_get_insn_name): New.
11474 (constraints, op_n_alternatives, predicates, address_p): Die.
11475 (modes, strict_low, seen): Die.
11476 (scan_operands): Take new param `d' instead of writing to
11477 seven global variables.
11478 (compare_operands): New.
11479 (place_operands): New.
11480 (validate_insn_alternatives): Update for struct data change.
11481 (gen_insn): Don't zero or copy 7 global arrays. Update for
11482 scan_operands; call place_operands.
11483 (gen_peephole, gen_expand, gen_split): Likewise.
11484 (main): Update for new output routines.
11486 * genattr.c (insn_name_ptr): Remove.
11487 (get_insn_name): New function.
11488 * genattrtab.c, gencodes.c, genconfig.c, genemit.c: Likewise.
11489 * genextract.c, genflags.c, genopinit.c, genpeep.c: Likewise.
11490 * genrecog.c: Likewise.
11492 * alpha.md (adddi3): Make `pattern' array static.
11494 Sun Sep 12 22:05:21 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11496 * config/c4x/c4x.h (c4x_rpts_cycles_string,
11497 c4x_cpu_version_string): Constify char *.
11498 * config/c4x/c4x.c (c4x_rpts_cycles_string,
11499 c4x_cpu_version_string): Likewise.
11501 Sat Sep 11 23:28:33 1999 Richard Henderson <rth@cygnus.com>
11503 * tree.c (save_tree_status): Revert 10 Sep change.
11504 (restore_tree_status): Likewise. Call obstack_free with NULL
11505 before freeing the obstack proper.
11507 Sat Sep 11 23:23:46 1999 Richard Henderson <rth@cygnus.com>
11509 * cse.c (cse_main): If gc'ing, collect around cse_basic_block.
11511 * ggc-simple.c (ggc_pop_context): Fold outstanding bytes into
11512 surrounding context.
11514 Sat Sep 11 19:52:43 1999 Mark Mitchell <mark@codesourcery.com>
11516 * tree.c (type_hash_canon): Put all types in the hash-table, when
11519 Sat Sep 11 18:37:04 1999 Richard Henderson <rth@cygnus.com>
11521 * recog.h (struct recog_data, recog_data): New.
11522 (recog_foo variables): Kill.
11523 * recog.c (recog_operand, recog_operand_loc): Kill.
11524 (recog_dup_loc, recog_dup_num, recog_n_operands): Kill.
11525 (recog_n_dups, recog_n_alternatives, recog_operand_mode): Kill.
11526 (recog_constraints, recog_op_type, recog_operand_address_p): Kill.
11527 (recog_data): Define.
11528 (extract_insn): Update all recog_foo references to use recog_data.
11529 (preprocess_constraints, constrain_operands): Likewise.
11530 * final.c (final_scan_insn, cleanup_subreg_operands): Likewise.
11531 * genattrtab.c (main): Likewise.
11532 * genextract.c (main): Likewise.
11533 * genoutput.c: Likewise.
11534 * genrecog.c (write_subroutine, main): Likewise.
11535 * local-alloc.c (block_alloc): Likewise.
11536 * reg-stack.c (record_asm_reg_life, subst_asm_stack_regs): Likewise.
11537 * regclass.c (scan_one_insn, record_reg_classes): Likewise.
11538 * regmove.c (regmove_optimize, find_matches, fixup_match_1): Likewise.
11539 * reload.c (find_reloads, find_reloads_toplev): Likewise.
11540 * reload1.c (maybe_fix_stack_asms, eliminate_regs_in_insn): Likewise.
11541 (reload_cse_simplify_operands): Likewise.
11543 * arc/arc.c (arc_final_prescan_insn): Likewise.
11544 * arm/arm.c (note_invalid_constants, arm_final_prescan_insn): Likewise.
11545 * h8300/h8300.c (notice_update_cc): Likewise.
11546 * i386/i386.c (ix86_attr_length_default, ix86_agi_dependant): Likewise.
11547 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
11548 * mn10200/mn10200.c (notice_update_cc): Likewise.
11549 * mn10300/mn10300.c (notice_update_cc): Likewise.
11550 * romp/romp.c (update_cc): Likewise.
11551 * sparc/sparc.c (check_pic): Likewise.
11552 * v850/v850.c (notice_update_cc): Likewise.
11554 * genemit.c (main): Don't declare recog_operand.
11556 Sat Sep 11 12:41:55 1999 Alex Samuel <samuel@codesourcery.com>
11558 * ggc.h (rtvec_def): Forward declare.
11559 (tree_node): Likewise.
11560 (ggc_root): Define.
11562 (ggc_set_mark_rtx): Add prototype.
11563 (ggc_set_mark_rtvec): Likewise.
11564 (ggc_set_mark_tree): Likewise.
11565 * ggc-simple.c (ggc_root): Don't define.
11566 (roots): Don't declare.
11567 (ggc_mark_rtx): Remove.
11568 (ggc_mark_rtvec): Likewise.
11569 (ggc_mark_tree): Likewise.
11570 (ggc_mark_varray): Likewise.
11571 (ggc_mark_tree_hash_table_entry): Likewise.
11572 (ggc_mark_tree_hash_table): Likewise.
11573 (ggc_set_mart_rtx): New function.
11574 (ggc_set_mark_rtvec): Likewise.
11575 (ggc_set_mark_tree): Likewise.
11576 (ggc_add_root): Remove.
11577 (ggc_add_rtx_root): Likewise.
11578 (ggc_remove_tree_root): Likewise.
11579 (ggc_add_string_root): Likewise.
11580 (ggc_add_tree_varray_root): Likewise.
11581 (ggc_add_tree_hash_table_root): Likewise.
11582 (ggc_del_root): Likewise.
11583 (ggc_mark_rtx_ptr): Likewise.
11584 (ggc_mark_tree_ptr): Likewise.
11585 (ggc_mark_string_ptr): Likewise.
11586 (ggc_mark_tree_varray_ptr): Likewise.
11587 (ggc_mark_tree_hash_table_ptr): Likewise.
11588 * ggc-common.c: New file.
11589 * Makefile.in (OBJS): Add ggc-common.o.
11590 (ggc-common.o): List dependencies.
11592 1999-09-10 22:37 -0700 Zack Weinberg <zack@bitmover.com>
11594 * cppalloc.c (xstrdup): Use memcpy.
11595 * cpperror.c (cpp_print_containing_files): Don't use
11597 * cpplib.c (conditional_skip): Set temp->lineno.
11598 (do_endif): Make error message less obscure.
11599 (if_directive_name): New function.
11600 (cpp_get_token [case EOF]): Unwind the if stack and generate
11601 error messages for each unterminated conditional in this file.
11602 (parse_string): Do not behave differently if -traditional.
11604 Fri Sep 10 14:04:07 1999 Richard Henderson <rth@cygnus.com>
11606 * builtins.c (expand_builtin_va_arg): Cope with an array-type
11607 va_list decomposing to pointer-type.
11608 * rs6000.c (rs6000_va_start) Unwrap the ARRAY_TYPE to get at fields.
11609 (rs6000_va_arg): Likewise.
11611 Fri Sep 10 13:21:21 1999 Jim Wilson <wilson@cygnus.com>
11613 * except.c (start_dynamic_handler): Compute size using
11614 STACK_SAVEAREA_MODE.
11616 Fri Sep 10 16:01:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11618 * protoize.c: Remove various __STDC__ and POSIX hacks. Don't
11619 include directory headers. Don't define strrchr. Don't provide
11620 my_* replacement functions. Prefer PTR over `pointer_type'.
11621 Don't prototype system functions. Don't redefine getopt.
11623 (shortpath, fancy_abort, notice, savestring, dupnstr, substr,
11624 safe_read, safe_write, save_pointers, restore_pointers,
11625 is_id_char, in_system_include_dir, directory_specified_p,
11626 file_excluded_p, unexpand_if_needed, abspath, check_aux_info,
11627 find_corresponding_lparen, referenced_file_is_newer,
11628 save_def_or_dec, munge_compile_params, gen_aux_info_file,
11629 process_aux_info_file, identify_lineno, check_source,
11630 seek_to_line, forward_to_next_token_char, output_bytes,
11631 output_string, output_up_to, other_variable_style_function,
11632 find_rightmost_formals_list, do_cleaning, careful_find_l_paren,
11633 do_processing, is_syscalls_file, rename_c_file, find_extern_def,
11634 find_static_definition, connect_defs_and_decs, add_local_decl,
11635 add_global_decls, needs_to_be_converted, visit_each_hash_node,
11636 add_symbol, lookup, free_def_dec, find_file, reverse_def_dec_list,
11637 edit_fn_declaration, edit_formals_lists, edit_fn_definition,
11638 scan_for_missed_items, edit_file, string_list_cons): Add static
11640 (standard_exec_prefix, target_machine, target_version,
11641 default_syscalls_dir, string_list, string_list_cons, find_file,
11642 do_cleaning): Constify a char*.
11643 (safe_read, safe_write): Use PTR, not a char*.
11644 (is_id_char): Take an int, not a char.
11645 (main): Add prototype. Call return, not exit.
11647 Fri Sep 10 16:48:26 1999 Andrew Haley <aph@cygnus.com>
11649 * tree.c (type_hash_lookup): Check for equal TYPE_ALIGN fields
11650 when comparing types.
11652 Fri Sep 10 08:43:32 1999 Richard Henderson <rth@cygnus.com>
11654 * loop.c (basic_induction_var): Typo NULL_RTX -> NULL.
11655 (strength_reduce): Release the varrays from the no-bivs early exit.
11657 * reload1.c (order_regs_for_reload): Init hard_reg_n_uses before
11658 the loop over the registers.
11660 * tree.c (save_tree_status): Set maybepermanent_firstobj NULL
11662 (restore_tree_status): Check that instead when freeing the obstack.
11664 Wed Sep 8 16:12:04 1999 Andrew Haley <aph@cygnus.com>
11666 * alias.c (rtx_equal_for_memref_p): Allow CONST_DOUBLEs to be used
11669 Fri Sep 10 11:58:55 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11671 * i386.md (ashlqi3): For NON_QI_REG_P regs, use sall. Fix some
11672 operand size modifiers.
11674 Fri Sep 10 10:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11676 * c-common.c (c_common_nodes_and_builtins): Don't build
11678 * c-common.h (enum c_tree_index and related accesor macros): Remove
11679 everything now declared in tree.h.
11680 * c-decl.c (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
11681 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, WCHAR_UNSIGNED, FLOAT_TYPE_SIZE,
11682 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Don't provide defaults.
11683 (error_mark_node, void_type_node, char_type_node, integer_type_node,
11684 unsigned_type_node, ptr_type_node, va_list_type_node,
11685 integer_zero_node, null_pointer_node, integer_one_node): Delete.
11686 (init_decl_processing): Call build_common_tree_nodes and
11687 build_common_tree_nodes_2 instead of building their nodes here.
11688 Don't add roots for these nodes.
11689 * stor-layout.c (size_zero_node, size_one_node): Delete.
11690 (set_sizetype): Make a new node for bitsizetype each time.
11691 * tree.c (global_trees): New variable.
11692 (init_obstacks): Add a gc root for it.
11693 (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
11694 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, FLOAT_TYPE_SIZE,
11695 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Provide defaults.
11696 (build_common_tree_nodes): New function.
11697 (fix_sizetype): New function.
11698 (build_common_tree_nodes_2): New function.
11699 * tree.h (enum tree_index): New.
11700 (global_trees): Declare.
11701 Add accessor macros for all nodes now moved to global_trees.
11702 Delete their declarations.
11704 Thu Sep 9 20:15:46 1999 Richard Henderson <rth@cygnus.com>
11706 * c-decl.c (finish_function): When processing a nested function,
11707 push and pop GC context around rest_of_compilation.
11709 Thu Sep 9 16:42:06 1999 Richard Henderson <rth@cygnus.com>
11711 * i386.c (override_options): Remove ppro, pentium2, and p2 as aliases.
11712 Default ix86_arch to PROCESSOR_I386.
11713 * i386.h (CC1_CPU_SPEC): Don't add -march=foo. Remove -mno-foo.
11714 (CPP_486_SPEC, CPP_586_SPEC, CPP_686_SPEC): Delete.
11715 (CPP_CPU_DEFAULT_SPEC): Define to __tune_foo__.
11716 (CC1_CPU_SPEC): Make -march=foo define __foo__, and provide
11717 __tune_foo__ if no -mcpu. Make -mcpu=bar define __tune_bar__.
11718 (EXTRA_SPECS): Remove deleted specs.
11720 Thu Sep 9 16:03:06 1999 Richard Henderson <rth@cygnus.com>
11722 * function.c (assign_stack_local_1): Allocate from
11723 function->x_frame_offset, not frame_offset.
11725 Thu Sep 9 14:36:31 1999 Mark Mitchell <mark@codesourcery.com>
11727 * ggc.h (lang_cleanup_tree): Remove.
11728 * gcc-simple.c (ggc_free_tree): Don't call lang_cleanup_tree.
11729 * ggc-callbacks.c (lang_cleanup_tree): Remove.
11731 * c-decl.c (finish_struct): Use ggc_alloc to allocate
11732 TYPE_LANG_SPECIFIC when garbage collecting.
11733 (lang_mark_tree): Mark TYPE_LANG_SPECIFIC.
11734 (lang_cleanup_tree): Remove.
11736 Thu Sep 9 14:23:02 1999 Jason Merrill <jason@yorick.cygnus.com>
11738 * defaults.h (EH_FRAME_SECTION, EH_FRAME_SECTION_ASM_OP): Define here.
11739 * crtstuff.c: Not here.
11740 * dwarf2out.c: Or here.
11741 * libgcc2.c (__do_global_ctors, __do_global_dtors): Handle EH frame
11744 Thu Sep 9 09:40:58 1999 Mark Mitchell <mark@codesourcery.com>
11746 * function.h (free_after_compilation): Remove decl parameter.
11747 (free_varasm_status0: Likewise.
11748 (free_emit_status): Likewise.
11749 (free_stmt_status): Likewise.
11750 (free_after_compilation): Likewise.
11751 (init_lang_status): New variable.
11752 (free_lang_status): Likewise.
11753 * emit-rtl.c (free_emit_status): Make decl parameter implicit.
11754 * function.c (init_lang_status): New variable.
11755 (free_lang_status): Likewise.
11756 (push_function_context_to): Don't set function::decl here.
11757 (free_after_copmilation): Make decl parameter implicit. Call
11758 free_lang_status if defined.
11759 (prepare_function_start): Call init_lang_status if defined.
11760 (init_function_start): Set function::decl here.
11761 * profile.c (output_func_start_profiler): Don't call pushdecl
11762 until we've actually started the function.
11763 * stmt.c (free_stmt_status): Make decl parameter implicit.
11764 * toplev.c (rest_of_compilation): Don't pass decl to
11765 free_after_compilation.
11766 * varasm.c (free_varasm_status): Likewise.
11768 Thu Sep 9 17:23:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11770 * except.c (call_get_eh_context): Add root when allocating static
11773 Thu Sep 9 15:24:59 BST 1999 Richard Earnshaw <rearnsha@arm.com>
11775 * arm.c: Include "ggc.h".
11776 (arm_add_gc_roots): New function.
11777 (arm_override_options): Call it.
11778 (aof_pic_entry): Add a GC root for aof_pic_label when it's allocated.
11780 * arm.md (define_asm_attributes): Add a pool_range attribute.
11782 Thu Sep 9 12:32:57 BST 1999 Nathan Sidwell <nathan@acm.org>
11784 * extend.texi (Volatiles): New node.
11786 Thu Sep 9 03:37:31 1999 Richard Henderson <rth@cygnus.com>
11788 * ggc-simple.c (IS_MARKED, IGNORE_MARK): New.
11789 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): New.
11790 (struct ggc_any): Replace `mark' with `magic_mark'.
11791 (ggc_alloc_string): Use memcpy, not bcopy.
11792 (ggc_alloc_any): Set magic_mark. Update bytes_alloced_since_gc.
11793 (ggc_free_{rtx,rtvec,tree,string}): Mark inline.
11794 (ggc_free_any): New.
11795 (ggc_mark_string): Use IGNORE_MARK. Calc back to struct gcc_string.
11796 (ggc_mark): Use IGNORE_MARK. Abort if magic doesn't match.
11797 (ggc_collect): Re-enable collection avoidance. Use GGC_ANY_MARK.
11798 Use IS_MARKED. Use ggc_free_any.
11800 1999-09-09 Scott Bambrough <scottb@netwinder.org>
11802 * config/arm/linux-elf.h: define NO_IMPLICIT_EXTERN_C
11804 Thu Sep 9 01:55:21 1999 Richard Henderson <rth@cygnus.com>
11806 * toplev.c (main): Always init_ggc.
11808 Wed Sep 8 23:53:22 1999 Richard Henderson <rth@cygnus.com>
11810 * except.c (find_all_handler_type_matches): Free the list if
11811 we found no matches.
11813 * combine.c (SUBST): Break out to a real function do_SUBST.
11814 (SUBST_INT): Likewise.
11815 * gcse.c (free_pre_mem): Free `temp_bitmap'.
11816 (pre_insert): Free `inserted'.
11817 * loop.c (basic_induction_var): Always set `location'.
11819 * function.c (expand_function_end): Add initial_trampoline as a root.
11820 * rtl.h (init_varasm_once): Declare.
11821 * toplev.c (compile_file): Call it.
11822 * ggc-simple.c (ggc_mark_string_ptr): New.
11823 (ggc_add_string_root): New.
11824 (ggc_collect): Disable collection avoidance temporarily.
11825 * ggc.h (ggc_add_string_root): Declare.
11826 * except.c (create_rethrow_ref): Use ggc_alloc_string.
11827 * optabs.c (init_libfuncs): Likewise.
11828 * varasm.c (named_section): Use ggc_alloc_string.
11829 (make_function_rtl): Likewise.
11830 (make_decl_rtl): Likewise.
11831 (assemble_static_space): Likewise.
11832 (assemble_trampoline_template): Likewise.
11833 (output_constant_def): Likewise.
11834 (force_const_mem): Likewise.
11835 (mark_const_hash_entry): New.
11836 (mark_pool_sym_hash_table): New.
11837 (mark_varasm_state): Use it.
11838 (init_varasm_once): New.
11840 * expr.h (init_one_libfunc): Declare.
11841 * optabs.c (init_one_libfunc): New.
11842 (init_optabs): Use it.
11843 * config/gofast.h: Likewise.
11844 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Likewise.
11845 * config/sparc/sparc.h (INIT_TARGET_OPTABS): Likewise.
11847 Thu Sep 9 13:46:06 1999 Geoffrey Keating <geoffk@cygnus.com>
11849 * Makefile.in (cppexp.o): Depend on cpphash.h.
11850 * cppexp.c (cpp_lex): Handle `defined (xxx)' for poisoned xxx.
11852 * cpphash.c (special_symbol): Handle plain `xxx' for poisoned xxx.
11853 * cpplib.c (do_define): Generalise to handle poisoned definitions,
11854 redefining poisoned identifiers, etc.
11855 (do_undef): Don't allow poisoned identifiers to be undefined.
11856 (do_pragma): Add #pragma poison.
11857 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
11859 * cccp.c: Add T_POISON node type.
11860 (special_symbol): Handle `defined(xxx)' and plain `xxx' for
11862 (do_define): Generalise to handle poisoned definitions,
11863 redefining poisoned identifiers, etc.
11864 (do_undef): Don't allow poisoned identifiers to be undefined.
11865 (do_pragma): Add #pragma poison.
11866 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
11868 * c-pragma.c (handle_pragma_token): Ignore #pragma poison.
11869 * c-pragma.h: Add ps_poison state. We now always have generic
11872 Wed Sep 8 20:30:42 1999 Mark Mitchell <mark@codesourcery.com>
11874 * ggc.h (ggc_alloc): New function.
11875 (ggc_mark): Likewise.
11876 * ggc-simple.c (ggc_any): New structure.
11877 (ggc_status): Add anys.
11878 (n_anys_collected): New variable.
11879 (ggc_alloc): Define.
11880 (ggc_mark): Likewise.
11881 (ggc_collect): Collect the anys.
11883 Wed Sep 8 20:15:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11885 * c-decl.c (mark_binding_level): Make static to match prototype.
11887 Wed Sep 8 16:41:27 1999 Richard Henderson <rth@cygnus.com>
11889 * flow.c (new_insn_dead_notes): Don't early out for preexisting regs.
11891 Wed Sep 8 16:07:52 1999 Richard Henderson <rth@cygnus.com>
11893 * gengenrtl.c (CONST_DOUBLE_FORMAT): Take the size REAL_ARITHMETIC
11894 will use into account. Expand the max width to 5.
11897 Wed Sep 8 16:01:14 1999 Richard Henderson <rth@cygnus.com>
11899 * ggc-simple.c (ggc_free_rtx): Poison the correct amount
11900 for the rtx length.
11902 Wed Sep 8 15:23:54 1999 Richard Henderson <rth@cygnus.com>
11904 * alpha.md (call value patterns): Remove the result predicates.
11906 Wed Sep 8 13:35:38 1999 Richard Henderson <rth@cygnus.com>
11908 * Makefile.in (stmp-fixinc): Remove extraneous exit 1 from
11911 Wed Sep 8 15:32:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11913 * system.h (sbrk, malloc, calloc, realloc): Backup prototypes
11914 changed from extern char *, to extern PTR. Also fix typo in
11915 NEED_DECLARATION_REALLOC test.
11917 * mips-tdump.c (malloc, calloc, realloc): Don't prototype.
11919 Wed Sep 8 11:40:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11921 * gansidecl.h (__attribute__, ATTRIBUTE_UNUSED_LABEL,
11922 ATTRIBUTE_UNUSED, ATTRIBUTE_NORETURN, ATTRIBUTE_PRINTF,
11923 ATTRIBUTE_PRINTF_1, ATTRIBUTE_PRINTF_2, ATTRIBUTE_PRINTF_3,
11924 ATTRIBUTE_PRINTF_4, ATTRIBUTE_PRINTF_5, GENERIC_PTR): Delete.
11926 * c-decl.c (field_decl_cmp): Use PTR instead of GENERIC_PTR.
11928 * cccp.c (pcfinclude): Likewise.
11930 * global.c (allocno_compare): Likewise.
11932 * haifa-sched.c (rank_for_schedule): Likewise.
11934 * local-alloc.c (qty_sugg_compare_1, qty_compare_1): Likewise.
11936 * reload1.c (hard_reg_use_compare, reload_reg_class_lower): Likewise.
11938 * stupid.c (stupid_reg_compare): Likewise.
11940 * tree.c (_obstack_allocated_p): Likewise.
11942 * varray.h (varray_data_tag, VARRAY_GENERIC_PTR_INIT): Likewise.
11944 1999-09-08 Bruce Korb autogen@linuxbox.com
11946 * gcc/ch/Makefile.in: Give the hapless gperf user a hint about
11947 why "gperf -F" fails.
11948 * gcc/cp/Makefile.in: ditto
11949 * gcc/Makefile.in: ditto
11950 * gcc/java/Makefile.in: ditto
11952 Wed Sep 8 04:43:22 1999 Richard Henderson <rth@cygnus.com>
11954 * lists.c: Include ggc.h.
11956 (init_EXPR_INSN_LIST_cache): Install it.
11958 * ggc-simple.c (init_ggc): Absorb the old init.
11959 (ggc_push_context): Use xcalloc.
11960 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Likewise.
11961 (ggc_collect): Add [rvts] tags to the collection stats.
11963 Wed Sep 8 11:14:25 1999 Andreas Schwab <schwab@suse.de>
11965 * cccp.c (main): Fix handling of -include and -imacros options.
11967 Wed Sep 8 02:23:08 1999 Jeffrey A Law (law@cygnus.com)
11969 * cpplib.c (cpp_push_buffer): Fix order of arguments.
11971 Wed Sep 8 04:44:09 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
11973 * rtl.h (obstack_alloc_rtx): Removed, it's now static in
11976 Wed Sep 8 00:33:43 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
11978 * flow.c (insn_dead_p): Use XEXP rather than SUBREG_REG.
11979 * haifa-sched.c (sched_analyze_1): Use XEXP rather than SUBREG_REG
11980 and SET_DEST. Update comment.
11982 Wed Sep 8 18:55:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11984 * config/c4x/c4x.c: Include ggc.h.
11985 (c4x_add_gc_roots): New function.
11986 (c4x_override_options): Call c4x_add_gc_roots.
11988 Wed Sep 8 00:00:16 1999 Richard Henderson <rth@cygnus.com>
11990 * defaults.h (TARGET_ESC): Move ...
11991 * system.h: ... here, where Linas had it in the first place. Silly me.
11993 Tue Sep 7 23:46:35 1999 Linas Vepstas <linas@linas.org>
11995 * c-common.c: Use ISGRAPH, ISLOWER, toupper.
11996 * c-lex.c, cccp.c, cexp.c, cexp.y, cppexp.c, dwarf2out.c, genattr.c,
11997 genattrtab.c, genemit.c, genextract.c, genpeep.c, tree.c: Likewise.
11998 * system.h (IN_CTYPE_DOMAIN): Define to 1 if HOST_EBCDIC.
11999 * defaults.h (TARGET_ESC): Add default.
12001 Tue Sep 7 23:36:59 1999 Linas Vepstas <linas@linas.org>
12003 * configure.in: add i370-*-openedition, i370-*-mvs and
12004 i370-*-linux targets
12006 Tue Sep 7 23:31:53 1999 Mark Mitchell <mark@codesourcery.com>
12008 * dsp16xxx.c: Include ggc.h
12009 (override_options): Mark GC roots.
12010 * mn10200.c: Include ggc.h.
12011 (asm_file_start): Mark GC roots.
12012 * tahoe.c: Include ggc.h.
12013 (extensible_operand): Mark GC roots.
12015 Tue Sep 7 23:23:15 1999 Linas Vepstas <linas@linas.org>
12017 * README: Add section discussing status of ELF ABI.
12018 * i370.c: Fix misc spelling mistakes.
12019 (i370_label_scan): Updated notes, exception handling.
12020 (i370_function_prolog): Simplify ELF stack handling.
12021 * i370.h: (FIXED_REGISTERS): Free up r12 for ELF.
12022 (STACK_GROWS_DOWNWARD): ELF stack grows down.
12023 (ASM_DECLARE_FUNCTION_NAME): Fix crazy malloc size.
12024 * i370.md: (movdi): Add notes.
12025 (floatsidf2): Use stack not rtca for scratch float area.
12026 (iorsi3): Correct operand constraints.
12027 * x-oe: Restore TAROUTOPTS which are used by pax.
12029 Tue Sep 7 22:39:18 1999 Mark Mitchell <mark@codesourcery.com>
12031 * rs6000.c: Include ggc.h.
12032 (rs6000_add_gc_roots): New function.
12033 (override_options): Call it.
12035 Tue Sep 7 22:09:03 1999 Richard Henderson <rth@cygnus.com>
12037 * alpha.h (alpha_compare): New.
12038 (alpha_compare_op0, alpha_compare_op1, alpha_compare_fp_p): Remove.
12039 * alpha.c: Likewise for the definitions.
12040 (alpha_emit_conditional_branch): Update for alpha_compare.
12041 (alpha_emit_conditional_move): Likewise.
12042 * alpha.md (cmpdf, cmpdi): Likewise.
12043 (setcc patterns): Likewise. Zero alpha_compare after use.
12044 (sne): Optimize (x != 0) into (0U < x).
12046 Tue Sep 7 21:55:02 1999 Richard Henderson <rth@cygnus.com>
12048 * alpha.h (alpha_eh_epilogue_sp_ofs): Remove.
12049 (struct machine_function): Declare; add eh_epilogue_sp_ofs.
12050 (INIT_EXPANDERS): Remove.
12051 * alpha.c: Include ggc.h.
12052 (alpha_eh_epilogue_sp_ofs, alpha_return_addr_rtx): Remove.
12053 (alpha_init_machine_status, alpha_mark_machine_status): New.
12054 (override_options): Install them.
12055 (struct machine_function): Moved to alpha.h.
12056 (alpha_save_machine_status, alpha_restore_machine_status): Remove.
12057 (alpha_init_expanders): Remove.
12058 (alpha_return_addr): Adjust to use current_function->machine.
12059 (alpha_ra_ever_killed): Likewise.
12060 (alpha_expand_epilogue): Likewise.
12061 * alpha.md (eh_epilogue): Likewise.
12063 Wed Sep 8 14:34:42 1999 Ian Piumarta <piumarta@prof.inria.fr>
12064 Melissa O'Neill <oneill@cs.sfu.ca>
12065 Geoffrey Keating <geoffk@cygnus.com>
12067 * config/rs6000/rs6000.c (first_reg_to_save): Don't save fixed or
12068 call-used registers (call-saved registers must still be contiguous
12069 and end with r31, of course).
12071 Tue Sep 7 21:41:38 1999 Richard Henderson <rth@cygnus.com>
12073 * c-typeck.c (type_lists_compatible_p): Use simple_type_promotes_to.
12074 (self_promoting_type_p): Delete.
12075 (self_promoting_args_p): Move ...
12076 * c-common.c: ... here.
12077 (c_common_nodes_and_builtins): Initialize lang_type_promotes_to.
12078 (simple_type_promotes_to): New.
12079 * builtins.c (lang_type_promotes_to): New.
12080 (expand_builtin_va_arg): Use it to give diagnostic for illegal types.
12081 * c-tree.h (C_PROMOTING_INTEGER_TYPE_P): Move ...
12082 * c-common.h: ... here.
12083 (self_promoting_args_p, simple_type_promotes_to): Declare.
12084 * c-decl.c (duplicate_decls): Use simple_type_promotes_to.
12085 (grokdeclarator): Likewise.
12086 * tree.h (lang_type_promotes_to): Declare.
12088 Tue Sep 7 17:15:21 1999 Mark Mitchell <mark@codesourcery.com>
12090 Add some machine-dependent GC roots.
12091 * sparc.c: Include ggc.h.
12092 (sparc_add_gc_roots): New function.
12093 (mark_ultrasparc_pipeline_state): Likewise.
12094 (override_options): Call sparc_add_gc_roots.
12095 * pa.c: Include ggc.h.
12096 (pa_add_gc_roots): New function.
12097 (mark_deferred_plabels): Likewise.
12098 (override_options): Call pa_add_gc_roots.
12099 * mips.c: Include ggc.h.
12100 (mips_add_gc_roots): New function.
12101 (override_options): Use it.
12103 Tue Sep 7 11:39:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12105 * cpperror.c (cpp_file_line_for_message): Constify a char*.
12107 * cppexp.c (parse_number, parse_charconst, cpp_lex,
12108 cpp_parse_expr): Add static prototypes.
12109 (parse_charconst): Don't cast away const-ness.
12110 (token): Constify a char*.
12112 * cppfiles.c (file_name_list, include_hash, find_include_file,
12113 finclude, initialize_input_buffer): Constify a char*.
12114 (file_cleanup, find_position): Add static prototypes.
12116 * cpphash.c (macro_cleanup, macarg, timestamp, special_symbol,
12117 collect_expansion): Add static prototypes.
12118 (cpp_install, create_definition, monthnames): Constify a char*.
12120 * cpphash.h (cpp_install): Likewise.
12122 * cppinit.c (known_suffixes, default_include,
12123 dump_special_to_buffer, NAME, cpp_start_read, cpp_finish): Likewise.
12124 (base_name, dump_special_to_buffer, initialize_dependency_output):
12125 Add static prototypes.
12127 * cpplib.c (my_strerror): Constify a char*.
12128 (null_underflow, null_cleanup, skip_comment, copy_comment,
12129 copy_rest_of_line, handle_directive, pass_thru_directive,
12130 get_directive_token, read_line_number, cpp_print_file_and_line,
12131 v_cpp_error, v_cpp_warning, v_cpp_error_with_line,
12132 v_cpp_warning_with_line, detect_if_not_defined,
12133 consider_directive_while_skipping): Add static prototypes.
12134 (pass_thru_directive, check_macro_name, cpp_expand_to_buffer,
12135 cpp_pedwarn_with_file_and_line): Constify a char*.
12137 * cpplib.h (cpp_options, include_hash, progname, definition,
12138 cpp_pedwarn_with_file_and_line, cpp_expand_to_buffer,
12139 check_macro_name, cpp_pfatal_with_name, cpp_file_line_for_message,
12140 find_include_file, deps_output, include_hash): Constify a char*.
12142 * cppmain.c (progname): Constify.
12143 (main): Add prototype. Use return, not exit.
12145 * fix-header.c (fatal, add_symbols, lookup_std_proto, write_lbrac,
12146 recognized_macro, check_macro_names, read_scan_file, write_rbrac,
12147 inf_skip_spaces, inf_read_upto, inf_scan_ident, inf_scan_ident,
12148 check_protection): Add static prototype.
12150 (progname, recognized_macrom, recognized_extern): Constify a char*.
12151 (main): Add prototype.
12153 * gen-protos.c (progname): Constify a char*.
12155 Tue Sep 7 00:47:52 1999 Mark Mitchell <mark@codesourcery.com>
12157 * emit-rtl.c (free_emit_status): Take decl as a parameter.
12158 (init_emit_once): Add more GC roots.
12159 * except.c (mark_func_eh_entry): New function.
12160 (mark_eh_node): Mark false_label and rethrow_label.
12161 (init_eh): Add more GC roots.
12162 * function.c (free_after_compilation): Take decl as a paramter.
12163 Call free_stmt_status.
12164 (mark_function_state): Don't assume x_parm_reg_stack_loc is
12166 * function.h (free_after_compilation): Change prototype.
12167 (free_varasm_status): Likewise.
12168 (free_emit_status): Likewise.
12169 (free_stmt_status): New function.
12170 * ggc-simple.c (rtx, vecs, trees, strings, bytes_alloced_since_gc):
12171 Remove, replacing with ...
12172 (ggc_status): New structure.
12173 (ggc_chain): New variable.
12174 (init_gcc): Define.
12175 (ggc_push_context): New function.
12176 (ggc_pop_context): Likewise.
12177 (ggc_alloc_rtx): Adjust for use of ggc_chain.
12178 (ggc_alloc_rtvec): Likewise.
12179 (ggc_alloc_tree): Likewise.
12180 (ggc_alloc_string): Likewise.
12181 (ggc_mark_rtx): Mark NOTE_SOURCE_FILE and NOTE_RANGE_INFO.
12182 (ggc_mark_tree): Give language-dependent code a chance to mark
12184 (ggc_mark_tree_varray): Handle empty arrays.
12185 (ggc_collect): Adjust for use of ggc_chain. Clear
12186 bytes_alloced_since_last_gc.
12187 * ggc.h (ggc_pop_context): New function.
12188 (ggc_push_context): Likewise.
12189 * print-tree.c (print_node): Don't print obstacks when GC'ing.
12190 * stmt.c (free_stmt_status): New function.
12191 (init_stmt_for_function): Clear last_expr_value.
12192 * toplev.c (rest_of_compilation): Always call free_after_compilation.
12193 Conditionalize call to ggc_collect.
12194 (main): Call init_ggc.
12195 * tree.c (push_obstacks): Do the push, even when GC'ing.
12196 (push_obstacks_nochange): Likewise.
12197 (pop_obstacks): Liekwise.
12198 * varasm.c (free_varasm_status): Take decl as a parameter.
12200 Tue Sep 7 08:15:49 1999 Gavin Romig-Koch <gavin@cygnus.com>
12202 * config/mips/mips.h (MULTILIB_ENDIAN_DEFAULT) : New macro.
12203 (MULTILIB_ENDIAN_DEFAULT) : Use the new macro.
12204 * config/mips/elf64.h (MULTILIB_DEFAULTS) : Use the new macro.
12205 * config/mips/r3900.h (MULTILIB_DEFAULTS) : Use the new macro.
12207 Tue Sep 7 03:42:45 1999 Mark Klein (mklein@dis.com)
12209 * pa/x-pa-mpeix: New file for the MPE port.
12211 * pa/quadlib.asm: New file for long double support.
12213 * configure.in: Add hppa1.0-*-mpeix for MPE port.
12214 * configure: Rebuilt.
12216 Tue Sep 7 10:08:40 1999 Andreas Schwab <schwab@suse.de>
12218 * final.c (shorten_branches): Fix last change.
12220 Tue Sep 7 00:30:32 1999 Jeffrey A Law (law@cygnus.com)
12222 * pa.h (ASM_OUTPUT_DOUBLE_INT): Delete.
12224 Mon Sep 6 22:44:47 1999 Jeffrey A Law (law@cygnus.com)
12226 * Merge from gcc2 snapshot Jan 9, 1999. See FSFChangeLog for
12229 Mon Sep 6 22:31:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12231 * c-aux-info.c (concat): Don't define.
12233 * cccp.c (my_strerror): Likewise. All callers changed to use
12235 (do_include): Call xstrdup, not xmalloc/strcpy.
12236 (grow_outbuf): Don't check if xrealloc returns NULL, it can't.
12237 (xmalloc, xrealloc, xcalloc, xstrdup): Don't define.
12239 * collect2.c (my_strsignal): Likewise. All callers changed to use
12241 (locatelib): Call xstrdup, not xmalloc/strcpy.
12243 * 1750a.h (ASM_OUTPUT_INTERNAL_LABEL): Call xmalloc, not malloc.
12245 * dsp16xx.c (override_options): Call xstrdup, not xmalloc/strcpy.
12247 * i370.h (ASM_DECLARE_FUNCTION_NAME): Call xmalloc, not malloc.
12249 * mips.c (build_mips16_call_stub): Call xstrdup, not xmalloc/strcpy.
12251 * cppinit.c (cpp_options_init): Call xcalloc, not xmalloc/bzero.
12253 * dwarfout.c (dwarfout_init): Call concat, not xmalloc/strcpy/...
12255 * except.c (new_eh_region_entry): Call xmalloc/xrealloc, not
12257 (find_all_handler_type_matches): Likewise. Don't check return
12259 (get_new_handler, init_insn_eh_region, process_nestinfo): Call
12260 xmalloc, not malloc.
12261 (init_eh_nesting_info): Likewise. Call xcalloc, not xmalloc/bzero.
12263 * gcc.c (xstrerror, xmalloc, xrealloc): Don't define.
12264 (init_spec): Call xcalloc, not xmalloc/bzero.
12265 (set_spec): Call xstrdup, not save_string.
12266 (record_temp_file): Call xstrdup, not xmalloc/strcpy.
12267 (find_a_file): Call xstrdup, not xmalloc/strcpy.
12268 (process_command): Call xstrdup, not save_string.
12269 (main): Call xcalloc, not xmalloc/bzero.
12271 * gcov.c (xmalloc): Don't define.
12272 (create_program_flow_graph): Call xcalloc, not xmalloc/bzero.
12273 (scan_for_source_files): Call xstrdup, not xmalloc/strcpy.
12274 (output_data): Call xcalloc, not xmalloc/bzero.
12276 * haifa-sched.c (schedule_insns): Call xcalloc, not xmalloc/bzero.
12278 * mips-tdump.c (xmalloc): Don't define.
12279 (print_symbol): Call xmalloc, not malloc.
12280 (read_tfile): Call xcalloc, not calloc.
12282 * mips-tfile.c (xfree, my_strsignal, xmalloc, xcalloc, xrealloc):
12283 Don't define. All callers of xfree/my_strsignal changed to use
12284 free/strsignal instead.
12285 (allocate_cluster): Call xcalloc, not calloc.
12287 * objc/objc-act.c (lang_init): Call concat, not xmalloc/strcpy/...
12288 Fix memory leak, free allocated memory.
12290 * prefix.c (translate_name): Call xstrdup, not save_string.
12291 (update_path): Likewise.
12293 * profile.c (branch_prob): Call xstrdup, not xmalloc/strcpy.
12295 * protoize.c (xstrerror, xmalloc, xrealloc, xfree, savestring2):
12296 Don't define. Callers of xfree/savestring2 changed to use
12297 free/concat instead.
12299 * reload1.c (reload): Call xcalloc, not xmalloc/bzero.
12300 (init_elim_table): Likewise.
12302 * resource.c (init_resource_info): Likewise.
12304 * stupid.c (stupid_life_analysis): Likewise.
12306 * toplev.c (xmalloc, xcalloc, xrealloc, xstrdup): Don't define.
12307 (open_dump_file): Call concat, not xmalloc/strcpy/...
12308 (clean_dump_file): Likewise.
12309 (compile_file): Call xstrdup, not xmalloc/strcpy.
12311 Mon Sep 6 15:04:55 1999 Richard Henderson <rth@cygnus.com>
12313 * v850.h (EXPAND_BUILTIN_VA_ARG): New.
12314 * v850.c (v850_va_arg): New.
12316 Tue Sep 7 09:36:01 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12318 * haifa-sched.c: Tidy comments.
12320 Mon Sep 6 14:30:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12322 * Makefile.in (C_AND_OBJC_OBJS): Remove ggc-callbacks.o.
12323 (c-parse.o, c-decl.o, c-lang.o, c-lex.o, c-common.o,
12324 $(out_object_file)): Depend on ggc.h.
12325 * c-common.c: Include "ggc.h".
12326 (combine_strings): If doing GC, use ggc_alloc_string.
12327 * c-decl.c: Include "ggc.h".
12328 (ggc_p): Define with value 0.
12329 (mark_binding_level): New function.
12330 (init_decl_processing): Add GC roots.
12331 (mark_c_function_context): New function.
12332 (lang_mark_false_label_stack): New function.
12333 (lang_mark_tree): New function.
12334 (lang_cleanup_tree): New function.
12335 * c-lang.c: Include "ggc.h".
12336 (lang_init): Call c_parse_init.
12337 * c-lex.c: Include "ggc.h".
12338 (check_linenum): If doing GC, don't copy filenames to permanent
12340 * c-parse.in: Include "ggc.h".
12341 (c_parse_init): New function.
12342 * c-tree.h (c_parse_init, mark_c_function_context): Declare.
12343 * objc/Make-lang.in (objc-parse.o): Depend on ggc.h.
12345 * except.c (mark_eh_state): Mark more state.
12346 * function.c (mark_function_state): Likewise.
12347 * ggc-simple.c (ggc_alloc_rtvec): Bring in sync with non-gc version.
12348 (ggc_alloc_string) [GGC_DUMP]: Fix typo.
12349 * toplev.c (mark_file_stack): New function.
12350 (compile_file): If doing GC, use ggc_alloc_string on input filename.
12351 (main): Add root for input_file_stack.
12353 * i386.c: Include "ggc.h".
12354 (ix86_mark_machine_status): New function.
12355 (override_options): Set mark_machine_status.
12357 Mon Sep 6 15:26:23 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12359 * tree.c (copy_node): Copy node contents also if doing GC.
12361 Mon Sep 6 08:42:06 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
12363 * collect2.c (scan_libraries): Fix double-thinko :-).
12365 Mon Sep 6 02:42:36 1999 Jeffrey A Law (law@cygnus.com)
12367 * collect2.c (scan_libraries): Fix thinko.
12369 * cse.c (delete_trivially_dead_insns): Do not skip the last
12370 insn if it is a real insn.
12372 Sun Sep 5 18:57:42 1999 Mark Mitchell <mark@codesourcery.com>
12374 * Makefile.in (ggc-simple.o): Depend on hash.h.
12375 * ggc.h (ggc_add_tree_hash_table_root): Declare.
12376 (ggc_mark_tree_varray): Likewise.
12377 (ggc_mark_tree_hash_table): Likewise.
12378 * ggc-simple.c: Include hash.h.
12379 (ggc_mark_tree_hash_table_ptr): New function.
12380 (ggc_mark_tree_hash_table_entry): Likewise.
12381 (ggc_mark_tree_hash_table): Likewise.
12382 (ggc_add_tree_hash_table_root): Likewise.
12383 * varray.h (const_equiv_data): Use struct rtx_def *, rather than
12384 rtx, when defining fields.
12386 Sun Sep 5 18:57:42 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
12388 * profile.c (output_func_start_profiler): Remove apparently
12389 nonsensical call to start_sequence.
12391 Sun Sep 5 17:34:33 1999 Richard Henderson <rth@cygnus.com>
12393 * clipper/clipper.c (clipper_va_start): Fix typos.
12395 * pyr/pyr.c (pyr_build_va_list, pyr_va_start, pyr_va_arg): New stubs.
12396 * spur/spur.c (spur_build_va_list, spur_va_start): New stubs.
12397 (spur_va_arg): New stub.
12399 * configure.in: Comment out pyramid.
12401 Sun Sep 5 19:11:01 1999 Michael Meissner <meissner@cygnus.com>
12403 * i386.h (MASK_{DEBUG_{ADDR,ARG},INTEL_SYNTAX}): Move so these
12404 don't conflict with the bits that win32, cygwin, and dgux
12407 Sun Sep 5 09:31:56 1999 Richard Henderson <rth@cygnus.com>
12408 Bernd Schmidt <bernds@cygnus.co.uk>
12410 * integrate.c (function_cannot_inline_p): Do not inline
12411 functions with forced labels.
12413 Sun Sep 5 00:35:17 1999 Richard Henderson <rth@cygnus.com>
12414 Bernd Schmidt <bernds@cygnus.co.uk>
12415 Mark Mitchell <mark@codesourcery.com>
12417 * Makefile.in (ggc-simple.o): Depend on varray.h.
12418 (rtl.o): Depend on ggc.h.
12419 (genattrtab.o): Depend on ggc.h.
12420 (print-tree.o): Likewise.
12421 (fold-const.o): Likewise.
12422 * emit-rtl.c (sequence_element_free_list): Remove, and all references.
12423 (make_insn_raw): Don't cache insns when GC'ing.
12424 (emit_insn_before): Likewise.
12425 (emit_insn_after): Likewise.
12426 (emit_insn): Likewise.
12427 (start_sequence): Use xmalloc to allocate the sequence_stack.
12428 (end_sequence): Add free to free it.
12429 (gen_sequence): Don't cache insns when GC'ing.
12430 (clear_emit_caches): Don't use sequence_element_free_list.
12431 (init_emit): Use xcalloc, not xmalloc+bzero.
12432 * fold-const.c (size_int_wide): Kill the cache, when GC'ing.
12433 * function.c (pop_function_context_from): Use free to free the
12434 fixup_var_refs_queue.
12435 (put_reg_into_stack): Allocate it with xmalloc.
12436 * genattrtab.c: Include ggc.h.
12437 (operate_exp): Don't use obstack_free when GC'ing.
12438 (simplify_cond): Likewise.
12439 (simplify_text_exp): Likewise.
12440 (optimize_attrs): Likewise.
12441 * gengenrtl.c (gendef): Use ggc_alloc_rtx to allocate RTL, when
12443 (gencode): Generate a #include for ggc.h.
12444 * ggc-callbacks.c (ggc_p): Define it to zero.
12445 * ggc-none.c (ggc_p): Likewise.
12446 * ggc-simple.c: Include varray.h.
12447 (ggc_mark_tree_varray): New function.
12448 (ggc_add_tree_varray_root): Likewise.
12449 (ggc_mark_tree_varray_ptr): Likewise.
12450 * ggc.h (ggc_p): Declare.
12451 (varray_head_tag): Likewise.
12452 (ggc_add_tree_varray_root): Declare.
12453 * print-tree.c (print_node): Don't check for TREE_PERMANENT
12454 inconsistencies when GC'ing.
12455 * rtl.c: Include ggc.h.
12456 (rtvec_alloc): Use ggc_alloc_rtvec when GC'ing.
12457 (rtx_alloc): Use ggc_alloc_rtx when GC'ing.
12458 (rtx_free): Don't call obstack_free when GC'ing.
12459 * toplev.c (rest_of_compilation): Call ggc_collect after every
12461 * tree.c (push_obstacks): Do nothing, if GC'ing.
12462 (pop_obstacks_nochange): Likewise.
12463 (pop_obstacks): Likewise.
12464 (make_node): Use ggc_alloc_tree when GC'ing.
12465 (copy_node): Likewise.
12466 (get_identifier): Use ggc_alloc_string when GC'ing.
12467 (build_string): Likewise.
12468 (make_tree_vec): Use ggc_alloc_tree when GC'ing.
12469 (tree_cons): Likewise.
12470 (build1): Likewise.
12471 (type_hash_canon): Don't call obstack_free when GC'ing.
12473 Sat Sep 4 21:52:32 1999 Richard Henderson <rth@cygnus.com>
12475 * haifa-sched.c (schedule_block): Use next_nonnote_insn instead
12476 of NEXT_INSN when examining speculative insns for SCHED_GROUP_P.
12478 Sat Sep 4 20:40:19 1999 Richard Henderson <rth@cygnus.com>
12479 Bernd Schmidt <bernds@cygnus.co.uk>
12480 Mark Mitchell <mark@codesourcery.com>
12482 * Makefile.in (stor-layout.o): Depend on ggc.h.
12483 (expr.o): Depend on ggc.h.
12484 (profile.o): Depend on ggc.h.
12485 (stor-layout.o): Depend on ggc.h.
12486 * emit-rtl.c (init_emit_once): Add gc roots.
12487 * expr.c: Include ggc.h.
12488 (emit_block_move): Add gc roots.
12489 (clear_storage): Likewise.
12490 * expr.h (init_stor_layout_once): New function.
12491 * profile.c: Include ggc.h.
12492 (init_arc_profiler): profiler_label is a root.
12493 * scan.c (make_sstring_space): Trust xrealloc to function
12494 correctly with first parameter NULL.
12495 * stor-layout.c: Include ggc.h.
12496 (set_sizetype): Add gc root.
12497 (init_stor_layout_once): New function.
12498 * toplev.c (compile_file): Call it.
12500 Sat Sep 4 19:26:25 1999 Richard Henderson <rth@cygnus.com>
12501 Bernd Schmidt <bernds@cygnus.co.uk>
12502 Mark Mitchell <mark@codesourcery.com>
12504 * Makefile.in (tree.o): Depend on ggc.h.
12505 (varasm.o): Likewise.
12506 (function.o): Likewise.
12507 (stmt.o): Likewise.
12508 (except.o): Likewise.
12509 (optabs.o): Likewise.
12510 (emit-rtl.o): Likewise.
12511 * emit-rtl.c: Include ggc.h.
12512 (sequence_element_free_list): Remove, and all references.
12513 (mark_sequence): New functions.
12514 (mark_emit_state): New function.
12515 * except.c: Include ggc.h.
12516 (mark_eh_node, mark_eh_stack, mark_eh_queue): New functions.
12517 (mark_tree_label_node): New functions.
12518 (mark_eh_state): New function.
12519 * function.c: Include ggc.h.
12520 (mark_temp_slot, mark_function_chain): New functions.
12521 (mark_function_state): New function.
12522 (init_function_once): New function.
12523 * function.h (init_function_once): New function.
12524 * ggc-callbacks.c (lang_mark_false_label_stack): New function.
12525 * ggc.h (label_node): Declare.
12526 (eh_status, emit_status, stmt_status, varasm_status): Likewise.
12527 (lang_mark_false_label_stack): New function.
12528 (mark_temp_slot): Remove declaration.
12529 (mark_function_chain): Likewise.
12530 (mark_eh_state): Adjust prototype.
12531 (mark_stmt_state, mark_emit_state, mark_varasm_state, mark_optab):
12533 * optabs.c: Include ggc.h.
12534 (mark_optab): New function.
12535 (init_optabs): Add gc roots.
12536 * stmt.c: Include ggc.h.
12537 (mark_cond_nesting, mark_loop_nesting): New functions.
12538 (mark_block_nesting, mark_case_nesting, mark_goto_fixup): Likewise.
12539 (mark_stmt_state): New function.
12540 * toplev.c (compile_file): Call init_function_once.
12541 * tree.c: Include ggc.h.
12542 (type_hash): Move declaration earlier in file.
12543 (TYPE_HASH_SIZE, type_hash_table): Likewise.
12544 (init_obstacks): Add gc roots.
12545 (mark_type_hash): New function.
12546 * varasm.c: Include ggc.h.
12547 (mark_pool_constant): New function.
12548 (mark_varasm_state): New function.
12550 Sat Sep 4 22:28:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12552 * ggc-simple.c (ggc_root, ggc_collect): Wrap prototype with PROTO.
12554 Sat Sep 4 18:01:45 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12556 * c-decl.c (struct language_function): Renamed from struct c_function.
12558 (c_function_chain): Delete.
12559 (push_c_function_context): New arg F. Don't warn about nested
12560 functions here. Fill LANGUAGE elt of F. Delete code to update
12561 c_function_chain. Don't call push_function_context.
12562 (pop_c_function_context): New arg F. Restore from there instead of
12563 from c_function_chain. Don't call pop_function_context. Clear out
12564 LANGUAGE field of F when done.
12565 * c-lang.c: Include "function.h"
12566 (lang_init): Initialize save_lang_status and restore_lang_status.
12567 * c-parse.in (nested_function, nested_function_notype): Warn about
12568 nested functions. Call push_function_context/pop_function_context
12569 instead of the _c_ variants.
12570 * c-tree.h (push_c_function_context, pop_c_function_context): Update
12572 * Makefile.in (c-lang.o): Update dependencies.
12574 * emit-rtl.c (init_emit): Use xmalloc to allocate regno_reg_rtx,
12575 regno_pointer_flag, regno_pointer_align.
12576 (gen_reg_rtx): Use xrealloc to enlarge them.
12577 (free_emit_status): New function.
12578 * function.c (mark_machine_status, mark_lang_status): New variables.
12579 (assign_stack_local_1): Renamed from assign_outer_stack_local. Merge
12580 in some bits from assign_stack_local. All callers changed to use new
12582 (assign_stack_local): Just call assign_stack_local_1.
12583 (free_after_compilation): New function.
12584 (put_reg_into_stack): Simplify to always call assign_stack_local_1.
12585 (trampoline_address): Likewise.
12586 (assign_parms): Use xcalloc/xrealloc to allocate parm_reg_stack_loc.
12587 (prepare_function_start): Explicitly clear some more variables.
12588 * function.h (struct function): New elt can_garbage_collect.
12589 (mark_machine_status, mark_lang_status): Declare variables.
12590 (free_after_compilation, free_emit_status, free_varasm_status,
12591 init_varasm_status): Declare functions.
12592 * toplev.c (rest_of_compilation): Call free_after_compilation when
12593 done with the current function.
12594 * varasm.c (free_varasm_status): New function.
12596 Sat Sep 4 17:15:13 1999 Richard Henderson <rth@cygnus.com>
12598 * sparc.h (EXPAND_BUILTIN_VA_START): Define.
12599 (EXPAND_BUILTIN_VA_ARG): Define.
12600 * sparc.c (sparc_va_start): New.
12601 (sparc_va_arg): New.
12603 Sun Sep 5 11:11:59 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12605 * config/c4x/c4x.h (DBR_OUTPUT_SEQEND): Use XVECEXP not XEXPs.
12607 Sun Sep 5 10:13:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12609 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Disable.
12611 Sat Sep 4 13:44:01 1999 Mark Mitchell <mark@codesourcery.com>
12613 * Makefile.in (C_AND_C_OBJS): Add gcc-callbacks.o.
12614 (OBJS): Add $(GGC).
12615 (ggc-callbacks.o): New target.
12616 * ggc-callbacks.c: New file.
12618 Sat Sep 4 22:53:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12620 * expr.h: Collapse individual optab and libfunc vars to arrays.
12621 (optab_index, libfunc_index): New enumerations.
12622 (optab_table, libfunc_table): New arrays.
12623 Add accessor macros for both.
12625 * optabs.c (optab_table, libfunc_table): New.
12626 Delete declarations for individual optab and libfunc vars.
12628 Sat Sep 4 12:57:17 1999 Richard Henderson <rth@cygnus.com>
12630 * i386/sco5.h (RETURN_POPS_ARGS): Name change ix86_return_pops_args.
12632 Sat Sep 4 11:19:52 1999 Richard Henderson <rth@cygnus.com>
12634 * Makefile.in (GGC, GGC_LIB): New.
12635 (HOST_RTL): Include ggc-none.o.
12636 (ggc-simple.o): New target.
12637 (ggc-none.o): Likewise.
12638 * tree.h (tree_common): Add gc_mark.
12639 * rtl.h (struct rtx_def): Steal a bit from code to make gc_mark.
12640 (struct rtvec_def): Add gc_mark.
12641 * emit-rtl.c (global_rtl): Update static initializers to contain
12642 enough initializers.
12643 * ggc.h, ggc-none.c, ggc-simple.c: New files.
12644 * toplev.c (gc_time): New variable.
12645 (all_time): New variable.
12646 (compile_file): Print gc time.
12647 (print_time): Calculate percentage of the whole.
12649 Sat Sep 4 13:11:01 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12651 Change obstack memory management and varasm constant pool handling so
12652 that nested functions are treated like any other functions.
12653 * function.c (init_machine_status): New variable.
12654 (push_function_context_to): Set contains_functions for the outer
12655 function. Don't call save_varasm_status.
12656 (pop_function_context_from): Don't call restore_varasm_status. Don't
12657 set current_function_contains_functions.
12658 (prepare_function_start): Call init_varasm_status rather than
12659 init_const_rtx_hash_table. Call (*init_machine_status) if the pointer
12661 * function.h (struct function) Add field varasm. Delete fields
12662 inline_obstacks, inl_emit, const_rtx_hash_table, first_pool,
12663 last_pool, const_rtx_sym_hash_table, pool_offset, const_double_chain.
12664 (init_machine_status): Declare.
12665 (save_varasm_status, restore_varasm_status): Delete declarations.
12666 (save_tree_status, restore_tree_status): Delete last argument.
12667 * integrate.c (initialize_for_inline): Lose arg COPY. Delete copying
12668 code. All callers changed.
12669 (copy_decl_list, copy_decl_tree, copy_decl_rtls, copy_for_inline,
12670 save_constants_in_decl_trees, restore_constants, save_constants,
12671 save_for_inline_eh_labelmap, save_for_inline_copying): Delete
12673 (inlining): New variable.
12674 (reg_map, label_map, insn_map, orig_asm_operands_vector,
12675 copy_asm_operands_vector, copy_asm_constraints_vector): Delete
12677 (save_for_inline_nocopy): Don't save constants.
12678 Don't set inl_emit field in current_function.
12679 (expand_inline_function): Use emit field, not inl_emit, of the inlined
12680 function. Set new variable inlining before
12681 calling copy_rtx_and_substitute.
12682 (copy_rtx_and_substitute): In MEM and SYMBOL_REF cases, handle
12683 constant pool references if inlining is nonzero.
12684 Delete ADDRESS and (most of the) CONST cases.
12685 (output_inline_function): Save and restore current_function/
12686 current_function_decl. Delete restore_constants code. Don't call
12687 init_const_rtx_hash_table.
12688 * output.h (init_const_rtx_hash_table): Don't declare.
12689 * rtl.h (struct function): Declare.
12690 (get_pool_constant_for_function, get_pool_mode_for_function): Declare.
12691 * toplev.c (rest_of_compilation): Don't treat nested functions or
12692 functions containing them specially. Delete all code to deal with
12693 save_for_inline_copying.
12694 * tree.c (toplev_inline_obstacks, extra_inline_obstacks,
12695 inline_obstacks): Delete variables.
12696 (save_tree_status): Lose arg CONTEXT. All callers changed.
12697 Simply allocate a new function_maybepermanent_obstack for the new
12698 function, delete all the special cases.
12699 Don't save inline_obstacks.
12700 (restore_tree_status): Lose arg CONTEXT. All callers changed.
12701 Delete special handling for function_maybepermanent_obstack; simply
12703 Don't restore inline_obstacks.
12704 (permanent_allocation): Delete code that frees inline_obstacks.
12705 (print_inline_obstack_statistics): Delete function.
12706 (dump_tree_statistics): Don't call it.
12707 * varasm.c (struct varasm_status): New.
12708 (const_rtx_hash_table, const_rtx_sym_hash_table, first_pool,
12709 last_pool, pool_offset, const_double_chain): Delete global
12710 variables, replace with accessor macros.
12711 (immed_double_const): Don't walk const_double_chain outside a
12712 function, but don't treat nested functions specially anymore.
12713 (immed_real_const_1): Likewise.
12714 (clear_const_double_mem): Don't treat nested functions specially.
12715 (init_const_rtx_hash_table): Deleted, code moved to init_varasm_status.
12716 (save_varasm_status, restore_varasm_status): Delete functions.
12717 (init_varasm_status): New function.
12718 (force_const_mem): Don't treat nested functions specially.
12719 (find_pool_constant): Accept new arg F, search for constants in
12720 that function's pool rather than the current one. All callers
12722 (get_pool_constant_for_function, get_pool_mode_for_function): New
12725 * i386.c (init_386_machine_status): New function, mostly from
12726 clear_386_stack_locals.
12727 (struct machine_functions): Rename element names to avoid name
12729 (pic_label_rtx, pic_label_name, i386_stack_locals): New accessor
12730 macros, replacing global variables.
12731 (clear_386_stack_locals, save_386_machine_status,
12732 restore_386_machine_status): Delete functions.
12733 (override_options): Initialize init_machine_status.
12734 * i386.h (INIT_EXPANDERS): Delete macro.
12735 (save_386_machine_status, restore_386_machine_status,
12736 clear_386_stack_locals): Delete declarations.
12738 Sat Sep 4 16:56:28 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12740 * config/c4x/c4x.md (rptb_init): Renamed from *rptb_init.
12741 (doloop_begin): Simplify pattern and use emit_jump_insn.
12742 (doloop_end): Simplify pattern, switch operand order,
12743 and use emit_jump_insn.
12745 Fri Sep 3 19:02:38 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
12747 * function.h (struct function): Add new element LANGUAGE.
12748 (save_lang_status): Declare new variable.
12749 (restore_lang_status): Likewise.
12750 * function.c (save_lang_status): Define.
12751 (restore_lang_status): Likewise.
12752 (push_function_context_to): Call language-specific save function.
12753 (pop_function_context_from): Call language-specific restore function.
12755 Fri Sep 3 01:16:18 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
12757 * i386.md (movsf_1): Check REG_P before use of REGNO.
12758 (movdf_1): Likewise.
12759 (movxf_1): Likewise.
12760 (extendsfdf2): Likewise.
12761 (extendsfxf2): Likewise.
12762 (extenddfxf2): Likewise.
12764 Sat Sep 4 11:37:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12766 * config/c4x/c4x.c (c4x_emit_move_sequence): Do not force large
12767 constants into memory.
12768 (c4x_shiftable_constant): New function.
12769 * config/c4x/c4x.c (LEGITIMATE_CONSTANT_P): Allow any CONST_INT.
12770 (c4x_shiftable_constant): Declare.
12771 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant,
12772 ashlqi3_noclobber): Add new patterns and associated splitters.
12774 Fri Sep 3 16:22:17 1999 Richard Henderson <rth@cygnus.com>
12776 * dbxout.c (dbxout_init): Use xcalloc instead of xmalloc+bzero.
12777 * dwarf2out.c (dwarf2out_frame_init): Likewise.
12778 * final.c (shorten_branches): Likewise.
12779 * global.c (global_alloc): Likewise.
12780 * haifa-sched.c (build_control_flow): Likewise.
12781 * stmt.c (check_for_full_enumeration_handling): Likewise.
12782 (estimate_case_costs): Likewise.
12784 Fri Sep 3 15:49:56 1999 Mark Mitchell <mark@codesourcery.com>
12786 * rtl.h (RTL_CHECKC2): Fix typo in last change.
12788 Fri Sep 3 15:13:34 1999 Richard Henderson <rth@cygnus.com>
12790 * flow.c (propagate_block): Use XEXP not SET_DEST for a USE.
12791 (recompute_reg_usage): Likewise.
12792 * rtlanal.c (find_regno_fusage): Likewise.
12794 * rtl.c (rtl_check_failed_code1): New function.
12795 (rtl_check_failed_code2): New.
12796 * rtl.h (RTL_CHECK1, RTL_CHECK2, RTVEC_ELT): Parenthesize args.
12797 (RTL_CHECKC1, RTL_CHECKC2): New.
12798 (XC*): New accessor macros.
12799 (NOTE_*, LABEL_NAME, LABEL_NUSES, ADDRESSOF_REGNO): Use them.
12800 (ADDRESSOF_DECL, JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF): Likewise.
12801 (CONTAINING_INSN, REGNO, INTVAL, SUBREG_REG, SUBREG_WORD): Likewise.
12802 (ASM_OPERANDS_*, MEM_ALIAS_SET, SET_SRC, SET_DEST): Likewise.
12803 (TRAP_*, RANGE_INFO_*): Likewise.
12805 Fri Sep 3 15:10:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12807 * Makefile.in (tlink.o): Don't depend on toplev.h.
12809 * collect2.c (c_file, o_file, export_file, import_file, ldout,
12810 output_file, nm_file_name, ldd_file_name, strip_file_name,
12811 c_file_name, prefix_list, libexts, is_ctor_dtor, find_a_file,
12812 add_prefix, prefix_from_env, prefix_from_string, do_wait,
12813 fork_execute, maybe_unlink, add_to_list,
12814 extract_init_priority, write_list, dump_list,
12815 dump_prefix_list, write_list_with_asm, write_c_file,
12816 write_c_file_stat, write_c_file_glob, scan_prog_file,
12817 scan_libraries, is_in_list, resolve_lib_name, use_import_list,
12818 ignore_library, extract_string, notice, dump_file, target_machine,
12819 collect_wait, collect_execute, libname, locatelib, aix_std_libs,
12820 read_file, print_load_command): Constify a char*.
12821 (fdopen, error, fatal, fatal_perror): Don't prototype.
12822 (my_strerror): Remove. All callers use xstrerror instead.
12823 (xcalloc, xmalloc, xrealloc, xstrdup, putenv): Remove definitions.
12824 (main): Add prototype. Constify lots of char* ptrs. Change calls
12825 to xcalloc/strcpy/strcat/... to one call to concat.
12826 (main, scan_prog_file, scan_libraries): Use an intermediate
12827 `const char **' to build an argv array.
12828 (mapfile, libselect, libcompare, locatelib): Add prototypes.
12830 * collect2.h (collect_execute, collect_wait, dump_file,
12831 file_exists): Constify a char*.
12832 (ldout, c_file_name, temporary_obstack, permanent_obstack,
12833 temporary_firstobj, vflag, debug): Add extern declarations.
12834 (fancy_abort, error, notice, fatal, fatal_perror): Add prototypes.
12836 * tlink.c: Don't include toplev.h.
12837 (vflag, debug, ldout, c_file_name, temporary_obstack,
12838 permanent_obstack, temporary_firstobj): Don't declare.
12839 (tlink_execute, frob_extension, symbol_hash_lookup,
12840 file_hash_lookup, demangled_hash_lookup, tlink_init, freadsym,
12841 recompile_files, read_repo_files, demangle_new_symbols,
12842 scan_linker_output): Constify a char*.
12843 (symbol_hash_newfunc, file_hash_newfunc, demangled_hash_newfunc,
12844 do_tlink): Mark parameters with ATTRIBUTE_UNUSED.
12846 Fri Sep 3 18:09:24 1999 Andrew Haley <aph@cygnus.com>
12848 * config/m68k/m68kelf.h: Set USE_GAS; this makes gcc generate jbsr
12849 (relative) rather than jsr (absolute) subroutine call insns.
12850 * config/m68k/m68k-coff.h: Ditto.
12852 Fri Sep 3 17:24:31 1999 Richard Earnshaw <rearnsha@arm.com>
12854 * arm.c (note_invalid_constants): No need to ignore ASMs, we can
12855 now rework these too.
12856 (arm_reorg): If an insn can't reach the end of the current pool,
12857 ensure that we emit that pool before the insn.
12859 Fri Sep 3 09:14:32 1999 Marc Espie <espie@tetto.liafa.jussieu.fr>
12861 * tlink.c (scan_linker_output): Skip the initial underscore in
12862 a mangled name if appropriate.
12864 Fri Sep 3 01:28:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12866 * objc/objc-act.c (objc_tree_code_type, objc_tree_code_length,
12867 objc_tree_code_name, synth_id_with_class_suffix, warn_with_method,
12868 error_with_ivar, gen_declarator, create_builtin_decl,
12869 my_build_string, generate_descriptor_table, generate_ivars_list,
12870 generate_dispatch_table, check_protocols, TAG_GETCLASS,
12871 TAG_GETMETACLASS, TAG_MSGSEND, TAG_MSGSENDSUPER, TAG_EXECCLASS,
12872 dump_base_name, lang_decode_option, build_encode_expr,
12873 start_class, finish_class, encode_pointer, really_start_method,
12874 gen_declaration, dump_interface, handle_class_ref, handle_impent):
12876 (objc_demangle, objc_printable_name, generate_struct_by_value_array):
12877 Add static prototypes.
12878 (build_objc_string_decl, build_selector_reference_decl,
12879 encode_bitfield, build_class_reference_decl): Remove unused
12880 parameter, all callers changed.
12881 (maybe_objc_method_name): Mark with ATTRIBUTE_UNUSED.
12882 (objc_printable_name): Likewise. Change second parameter to type int.
12883 (init_objc): Use memcpy, not bcopy, to avoid casts.
12885 Thu Sep 2 21:49:52 1999 Richard Henderson <rth@cygnus.com>
12887 * reload1.c (eliminate_regs_in_insn): Avoid eliminating the
12888 reg notes on a deleted insn.
12889 * gcse.c (hash_expr_1): Use XWINT on a CONST_DOUBLE.
12891 Thu Sep 2 20:18:12 1999 Jeffrey A Law (law@cygnus.com)
12893 * i386.c (ix86_attr_length_default): Handle TYPE_FXCH.
12895 Thu Sep 2 22:00:08 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12897 * stmt.c (expand_asm_operands): Fix index into inout_mode when
12900 Thu Sep 2 13:00:48 1999 Richard Henderson <rth@cygnus.com>
12902 * stmt.c (expand_asm_operands): Invoke MD_ASM_CLOBBERS if present.
12903 * tm.texi (MD_ASM_CLOBBERS): Document it.
12905 Thu Sep 2 10:22:40 1999 Richard Henderson <rth@cygnus.com>
12907 * dwarf2out.c (dwarf2out_line): Constify `lastfile'.
12908 * except.c (expand_rethrow): Remove unused variable.
12909 * expr.c (do_jump_by_parts_greater_rtx): Likewise.
12910 * flow.c (replace_insns): Likewise.
12911 (create_edge_list, verify_edge_list): Likewise.
12912 * gcse.c (cprop_cc0_jump): Protect declaration with HAVE_cc0.
12914 * genemit.c (gen_expand): Only emit `operands[N]' decl if there
12915 is special code to run.
12916 (main): Don't define operands to emit_operand.
12917 * genrecog.c (main): Don't emit an empty peephole2_insn function.
12919 * rtl.h (NOTE_BASIC_BLOCK): Use X0BBDEF.
12921 * alpha/alpha.h (normal_memory_operand): Declare.
12922 (reg_no_subreg_operand): Declare.
12923 * alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use HOST_WIDE_INT_PRINT_DEC.
12925 Thu Sep 2 10:19:20 1999 Richard Henderson <rth@cygnus.com>
12927 * c-parse.in (compstmt_primary_start): New, broken out of first
12928 part of compstmt handling in primary.
12929 (primary): Use it. Add an error clause.
12930 (compstmt_nostart): Renamed from compstmt; remove all
12931 initial invocations of compstmt_start.
12934 Thu Sep 2 01:35:50 1999 Marc Espie <espie@cvs.openbsd.org>
12936 * protoize.c (gen_aux_info_file): Let pexecute call choose_temp_base if
12939 Thu Sep 2 00:43:59 1999 Finn Hakansson <finn@axis.com>
12941 * combine.c (simplify_shift_const): Remove extra semicolon.
12942 * dwarf2out.c (remove_AT): Likewise.
12943 * expmed.c (expand_mult): Likewise.
12944 * gcov.c (create_program_flow_graph): Likewise.
12945 * reorg.c (mostly_true_jump): Likewise.
12947 Thu Sep 2 00:06:43 1999 Jeffrey A Law (law@cygnus.com)
12949 * fold-const.c (fold_range_test): Do not try to fold the range
12950 test if the rhs or lhs has side effects.
12952 * combine.c (simplify_rtx): Recognize another case of a synthesized
12955 * varasm.c (mark_constant_pool): When marking indirect references,
12956 only look at SYMBOL_REFs.
12958 * except.c (expand_fixup_region_end): Do not peek at
12959 INSN_UID (node->entry->outer_context) for flag_new_exceptions.
12961 Thu Sep 2 13:52:53 1999 Geoffrey Keating <geoffk@cygnus.com>
12963 * flags.h: New variables align_loops, align_loops_log,
12964 align_jumps, align_jumps_log, align_labels, align_labels_log,
12965 align_functions, align_functions_log.
12966 * toplev.c: Define them.
12967 (f_options): Handle -falign-* when they have no argument.
12968 (main): Add logic to set variables for -falign-functions,
12969 -falign-jumps, -falign-labels, -falign-loops.
12970 Make it -fsched-verbose=<n> and -finline-limit=<n>.
12971 (display_help): Change help to match options.
12972 * final.c (LABEL_ALIGN): Default to align_labels_log.
12973 (LABEL_ALIGN_MAX_SKIP): Default to align_labels-1.
12974 (LOOP_ALIGN): Default to align_loops_log.
12975 (LOOP_ALIGN_MAX_SKIP): Default to align_loops-1.
12976 (LABEL_ALIGN_AFTER_BARRIER): Default to align_jumps_log.
12977 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to align_jumps-1.
12978 * varasm.c (assemble_start_function): Handle align_functions.
12980 * config/sparc/sparc.h: Don't declare sparc_align_*.
12981 Don't provide LABEL_ALIGN_AFTER_BARRIER or LOOP_ALIGN.
12982 (DEFAULT_SPARC_ALIGN_FUNCS): Delete; take functionality into
12984 (FUNCTION_BOUNDARY): Fix incorrect use---it's not just a request,
12986 * config/sparc/sparc.c: Delete sparc_align_loops,
12987 sparc_align_jumps, sparc_align_funcs and the corresponding string
12989 (sparc_override_options): Default align_functions on ultrasparc.
12990 Delete -malign-* handling.
12992 * config/mips/mips.c (override_options): On 64-bit targets,
12993 try to align code to 64-bit boundaries.
12994 (print_operand): New substitution, %~,
12995 which aligns labels to align_labels_log.
12996 * config/mips/mips.md (div_trap_normal): Use %~.
12997 (div_trap_mips16): Likewise.
12999 (absdi2): Likewise.
13000 (ffssi2): Likewise.
13001 (ffsdi2): Likewise.
13002 (ashldi3_internal): Likewise.
13003 (ashrdi3_internal): Likewise.
13004 (lshrdi3_internal): Likewise.
13005 (casesi_internal): Likewise.
13007 Wed Sep 1 21:13:48 1999 Richard Henderson <rth@cygnus.com>
13009 Merge new ia32 backend from the branch!
13011 * i386.h, i386.c, i386.md, reg-stack.c, i386/unix.h: Many changes.
13012 See ChangeLog.P2 on new_ia32_branch for details.
13014 * rtl.h (stack_regs_mentioned_p): Delete prototype.
13015 * i386/cygwin.h (SUBTARGET_PROLOGUE): No more do_rtl.
13016 * i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
13017 * i386/gas.h (ASM_FILE_START): Define.
13018 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Update
13019 for name change of ix86_valid_decl_attribute_p.
13020 (i386_pe_valid_type_attribute_p): Similarly.
13022 Wed Sep 1 18:21:23 1999 Richard Henderson <rth@cygnus.com>
13024 * emit-rtl.c (init_emit_once): Don't use GET_MODE_WIDER_MODE
13025 to step through CC modes.
13027 Wed Sep 1 20:18:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13029 * regmove.c (fixup_match_1): Don't move INSN in front of P if
13030 it would end up in the shadow of a live flags regsiter.
13032 Wed Sep 1 11:32:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13034 * reload1.c: Fix many indentation problems.
13035 * reload.c: Likewise.
13037 Tue Aug 31 22:08:03 1999 Marc Espie <espie@cvs.openbsd.org>
13039 * alias.c (non_local_reference_p): Constify fmt.
13041 Tue Aug 31 23:19:35 1999 Michael Meissner <meissner@cygnus.com>
13043 * config/i386/xm-cygwin.h (HAVE_DOS_BASED_FILE_SYSTEM): Define.
13045 Tue Aug 31 16:44:52 1999 Jeffrey A Law (law@cygnus.com)
13047 * cse.c (delete_trivially_dead_insns): Do not delete stores to
13048 the internal_arg_pointer.
13050 Tue Aug 31 13:35:42 1999 Richard Henderson <rth@cygnus.com>
13052 Merge peephole2 from new_ia32_branch:
13053 * Makefile.in (STAGESTUFF): Add *.peephole2.
13054 (mostlyclean): Likewise.
13055 (recog.o): Depend on resource.h.
13057 * final.c (peephole): Conditionalize decl on HAVE_peephole.
13058 (final_scan_insn): Likewise for the invocation of peephole.
13059 * genconfig.c (main): Look for peephole and peephole2 patterns.
13060 Emit HAVE_peephole* accordingly.
13061 * genpeep.c (main): Conditionalize entire output on HAVE_peephole.
13062 * flags.h (flag_peephole2): Declare.
13063 * toplev.c: New pass peephole2. New flag -fpeephole2.
13065 * genattrtab.c (main): Count DEFINE_PEEPHOLE2.
13066 * gencodes.c (main): Likewise.
13067 * genextract.c (main): Likewise.
13068 * genoutput.c (main): Likewise.
13069 * genemit.c (max_operand_1): Look for the max scratch operand.
13070 (gen_rtx_scratch): New.
13071 (gen_exp): Use it, and pass on new arg subroutine_type.
13072 (gen_expand): Take max scratch into account.
13073 (gen_split): Emit peephole2 functions.
13074 (output_peephole2_scratch): New.
13075 (main): Include hard-reg-set.h and resource.h. Handle peephole2.
13076 * genrecog.c (routine_type): Add PEEPHOLE2.
13078 (make_insn_sequence): Match outer parallel for peep2. Discard
13079 top level scratches and dups.
13080 (add_to_sequence): New args insn_type and top. Update all callers.
13081 Handle toplevel peep2 matching insns.
13082 (write_subroutine): Handle peep2.
13083 (write_tree_1): Likewise.
13084 (write_tree): Likewise.
13086 (change_state): New arg afterward. Update all callers.
13087 Handle matching separate insns.
13088 * recog.c (recog_next_insn): New.
13089 (peephole2_optimize): New.
13090 * rtl.def (DEFINE_PEEPHOLE2): New.
13091 * resource.c (find_free_register): New argument last_insn. Use it
13092 to find a register available through the entire span.
13093 * resource.h (find_free_register): Update prototype.
13095 Tue Aug 31 11:51:06 1999 Jim Kingdon <http://developer.redhat.com>
13097 * i386.c (output_strlen_unroll): Don't write xops[7]
13098 label if it wasn't set.
13100 1999-08-31 12:44 -0700 Zack Weinberg <zack@bitmover.com>
13102 * cpplib.c (struct directive): Const-ify name pointer and
13103 function pointer prototype.
13104 (validate_else, do_define, do_line, do_include, do_undef,
13105 do_error, do_pragma, do_ident, do_if, do_xifdef, do_else,
13106 do_elif, do_endif, do_sccs, do_assert, do_unassert,
13107 do_warning): Const-ify second arg.
13108 (directive_table): Mark const. Reorder entries by frequency
13109 of usage, record statistics.
13111 1999-08-31 12:20 -0700 Zack Weinberg <zack@bitmover.com>
13113 * rtl.h (RTL_CHECK1, RTL_CHECK2): New macros which type- and
13114 bounds- check RTL accesses if --enable-checking.
13115 (RTVEC_ELT): Bounds check if --enable-checking.
13116 (XWINT, XINT, XSTR, XEXP, XVEC, XMODE, XBITMAP, XTREE,
13117 XBBDEF): Use RTL_CHECK1/RTL_CHECK2 as appropriate.
13118 (XVECEXP, XVECLEN): Define in terms of XVEC, RTVEC_ELT, and
13120 (X0WINT, X0INT, X0STR, X0EXP, X0VEC, X0MODE, X0BITMAP, X0TREE,
13121 X0BBDEF, X0ADVFLAGS): New macros for accessing '0' slots of RTXes.
13123 (ADDR_DIFF_VEC_FLAGS): Use X0ADVFLAGS.
13124 (NOTE_SOURCE_FILE): Use X0STR.
13125 (NOTE_BLOCK_NUMBER, NOTE_EH_HANDLER, LABEL_NUSES,
13126 MEM_ALIAS_SET): Use X0INT.
13127 (NOTE_RANGE_INFO, NOTE_LIVE_INFO, NOTE_BASIC_BLOCK,
13128 JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF, CONTAINING_INSN):
13130 * real.h (CONST_DOUBLE_CHAIN): Use X0EXP.
13131 * rtl.c (copy_rtx, copy_most_rtx): Copy '0' slots with X0WINT.
13132 (rtl_check_failed_bounds, rtl_check_failed_type1,
13133 rtl_check_failed_type2, rtvec_check_failed_bounds): New
13135 (fancy_abort): Fix comment.
13137 * cse.c (canon_hash): Read CONST_DOUBLE data slots with XWINT.
13138 (cse_insn): Decrement LABEL_NUSES for jump target before
13139 deleting jump insn.
13140 * emit-rtl.c (gen_rtx_CONST_DOUBLE): Use X0EXP for slot 1.
13141 * final.c (alter_subreg): Compute regno before changing x to
13142 REG; set REGNO(x) after changing it.
13143 * flow.c (count_basic_blocks): Use XWINT to inspect EH_REGION
13144 notes containing CONST_INTs.
13145 (delete_eh_regions): Use NOTE_EH_HANDLER.
13146 * function.c (put_reg_into_stack): Make reg a MEM before
13148 (fixup_var_refs_insns): Save REG_NOTES (insn) in case we
13150 (gen_mem_addressof): Make reg a MEM before initializing it.
13151 * integrate.c (copy_rtx_and_substitute): Copy '0' slots with
13153 * local-alloc.c (update_equiv_regs): Zap REG_NOTES before
13154 deleting an insn, not after.
13155 (block_alloc): Only look at PATTERN(insn) if we have to, and
13156 only if it's format class 'i'.
13157 * loop.c (check_dbra_loop): Check bl->biv->add_val is a
13158 CONST_INT before using its INTVAL.
13159 * print-rtl.c (print_rtx): Use X0STR.
13160 * regmove.c (fixup_match_1): Don't look at PATTERN of
13161 non-class-'i' insn chain elements.
13162 * reload.c (loc_mentioned_in_p): Take address of
13163 in->fld[1].rtx directly.
13164 * reload1.c (reload): Change reg to a MEM before initializing
13166 * varasm.c (mark_constant_pool): Skip CONST_DOUBLES, which
13168 * config/i386/i386.md (decrement_and_branch_if_zero): Fix typo.
13170 Fri Aug 20 13:43:41 1999 Andrew Haley <aph@cygnus.com>
13172 * config/mips/mips.c (machine_dependent_reorg): Force a
13173 barrier to output the local constant pool if a barrier hasn't
13174 been found at a natural point in the instruction stream.
13176 Mon Aug 30 22:04:36 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13178 * c-parse.in (language_string): Constify.
13180 * dwarf2out.c (language_string): Remove declaration.
13182 * dwarfout.c (language_string): Likewise.
13184 * toplev.c (language_string, init_parse, finish_parse): Likewise.
13186 * tree.h (language_string, init_parse, finish_parse): Declare.
13188 * i386/sun386.h (language_string): Remove declaration.
13190 * mips.h (language_string): Likewise.
13192 * nextstep.h (language_string): Likewise.
13194 * nextstep21.h (language_string): Likewise.
13196 * rs6000.c (language_string): Likewise.
13198 Mon Aug 30 20:56:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13200 * Makefile.in (OBJS, PROTO_OBJS): Remove getpwd.o.
13201 (getpwd.o): Remove target.
13203 * getpwd.c: Delete file. Its in libiberty now.
13205 * dbxout.c (getpwd): Don't prototype.
13206 * dwarf2out.c (getpwd): Likewise
13207 * dwarfout.c (getpwd): Likewise
13208 * final.c (getpwd): Likewise.
13209 * protoize.c (getpwd): Likewise.
13211 Mon Aug 30 20:21:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13213 * cse.c: (fold_rtx): Cast to HOST_WIDE_INT in left shift.
13215 Mon Aug 30 16:07:49 1999 Richard Henderson <rth@cygnus.com>
13217 * flow.c (new_insn_dead_notes): Use sets_reg_or_subreg not
13218 mark_set_resources.
13220 Mon Aug 30 12:23:53 1999 Jim Wilson <wilson@cygnus.com>
13222 * fixinc/Makefile.in (subdir): New.
13223 (fixincl.x, inclhack.sh, fixincl.sh): Use cp instead of $(CP).
13226 Mon Aug 30 01:02:09 1999 Jeffrey A Law (law@cygnus.com)
13228 * emit-rtl.c (copy_rtx_if_shared): A MEM which references
13229 virtual_stack_vars_rtx or virtual_incoming_args_rtx can not
13232 * invoke.texi: Fix typo.
13234 * dwarf2out.c (mem_loc_descriptor): New argument MODE. All callers
13235 changed. Handle autoincrement addressing modes.
13237 * integrate.c (copy_rtx_and_substitute): Handle internal_arg_pointer
13238 just like we would the virtual incoming args register when
13241 Sun Aug 29 23:17:54 1999 David Edelsohn <edelsohn@gnu.org>
13243 * rs6000.h (ASM_FILE_START): Specify complete filename, including
13244 path, in .file directive.
13246 Sun Aug 29 05:06:43 1999 Russ Allbery <rra@stanford.edu>
13248 * gcc.texi (External Bugs): Remove obsolete note about Perl on
13251 1999-08-29 08:38 -0700 Zack Weinberg <zack@bitmover.com>
13253 * stdbool.h: Make the typedef name _Bool, with bool a #defined
13256 Sun Aug 29 09:36:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13258 * tree.c (tree_code_name): Constify a char*.
13260 * tree.h (tree_code_name, decl_printable_name): Likewise.
13262 * function.h (struct function): Likewise.
13264 * toplev.c (decl_name, decl_printable_name): Likewise.
13266 * vax/vms.h (MAYBE_VMS_FUNCTION_PROLOGUE): Likewise.
13268 * objc/objc-act.c (decl_printable_name): Remove redundant prototype.
13269 (init_objc): Remove function pointer cast.
13271 Sun Aug 29 05:01:17 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
13273 * pa.md (interspace_jump): New pattern.
13274 (builtin_longjmp): New expander.
13276 1999-08-29 Bernd Schmidt <bernds@cygnus.co.uk>
13278 * fp-bit.c (add, sub, multiply, divide, compare, _eq_f2, _ne_f2,
13279 _gt_f2, _ge_f2, _lt_f2, _le_f2, float_to_si, float_to_usi, negate,
13280 sf_to_df, df_to_sf): Fix potential problem with alias analysis.
13282 Sun Aug 29 04:30:52 1999 John Wehle (john@feith.com)
13284 * jump.c (delete_prior_computation): Also check calls
13285 to constant functions. Don't bother checking for a
13286 REG_UNUSED note before adding it.
13287 (delete_computation): Handle multi-word hard registers
13288 when synthesizing missing REG_DEAD notes for a register
13289 which is both set and used by an insn.
13291 1999-08-29 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13293 * loop.c (this_loop_info): New variable.
13294 (loop_has_call, loop_has_volatile, loop_has_tablejump,
13295 loop_continue, loops_enclosed): Replace with fields in this_loop_info.
13297 (prescan_loop, strength_reduce): New argument loop_info. All callers
13299 (scan_loop): New variable loop_info, initialise to address of
13301 (prescan_loop): Set loop_info->vtop if find NOTE_INSN_LOOP_VTOP.
13302 Delete variable loop_has_multiple_exit targets and replace with
13303 field in this_loop_info.
13304 (find_and_verify_loops): Rename this_loop to this_loop_num.
13305 (strength_reduce): Delete loop_iteration_info. Replace variable
13306 loop_info with function argument of same name.
13307 (insert_bct): Rework test for loop being completely unrolled.
13309 * loop.h (struct loop_info): New fields num, loops_enclosed,
13310 has_call, has_volatile, has_tablejump, has_multiple_exit_targets,
13311 has_indirect_jump, and cont. Redefine use of unroll_number.
13312 (loop_unroll_number): Delete.
13314 * unroll.c (unroll_loop): Store loop unroll count in unroll_number
13315 field of loop_info.
13316 (loop_iterations): Delete variable vtop and instead use
13317 loop_info->vtop computed in prescan_loop.
13319 Sun Aug 29 03:27:23 1999 Scott Weikart <scott@igc.apc.org>
13321 * fix-header.c (main): Do not pass a null pointer to strcmp.
13323 Sun Aug 29 03:18:48 1999 William Bader (william@nscs.fast.net)
13325 * configure.in (i[34567]86-*-sco3.2v4*): Target does not truncate
13327 * configure: Rebuilt.
13329 Sat Aug 28 19:36:05 1999 Jeffrey A Law (law@cygnus.com)
13331 * jump.c (jump_optimize_1): Do not delete assignments to
13332 internal_arg_pointer.
13333 * cse.c (delete_trivially_dead_insns): Always consider a set of
13334 the internal_arg_pointer live.
13336 Sat Aug 28 16:24:31 1999 Richard Henderson <rth@cygnus.com>
13338 * flow.c (flow_delete_insn_chain): Rename from delete_insn_chain.
13339 (update_life_info) [REG_WAS_0]: Search the original insns rather
13340 than the new insns for the note. Fix typos finding note_dest.
13341 If no dest found, discard the note rather than abort.
13342 [REG_NOALIAS]: Handle as REG_NO_CONFLICT.
13343 (replace_insns): Remove the old insn list after update_life_info
13346 Sat Aug 28 16:20:12 1999 Richard Henderson <rth@cygnus.com>
13348 * haifa-sched.c (sched_analyze): Clear LOG_LINKS before calling
13349 sched_analyze_insn.
13350 (sched_analyze_1): Let add_dependence care for not adding dups.
13351 (sched_analyze_2): Likewise.
13352 (add_branch_dependences): Likewise.
13354 Sat Aug 28 15:58:16 1999 Mumit Khan <khan@xraylith.wisc.edu>
13356 * i386/winnt.c (export_list): New type.
13357 (exports_head): Rename to
13358 (export_head): this.
13359 (i386_pe_record_exported_symbol): Add is_data flag.
13360 (i386_pe_asm_file_end): Emit directive for exported variables.
13361 * i386/cygwin.h (i386_pe_record_exported_symbol): Update
13363 * i386/cygwin.h (ASM_OUTPUT_COMMON): Specify symbol type.
13364 (ASM_DECLARE_OBJECT_NAME): Likewise.
13365 (ASM_DECLARE_FUNCTION_NAME): Likewise.
13366 * i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
13368 Fri Aug 27 15:35:24 1999 Jeffrey A Law (law@cygnus.com)
13370 * cse.c (fold_rtx): Work around bug in Sun V5.0 compilers.
13372 * pa.c (emit_move_sequence): Do not stop on SUBREG_WORD of an
13375 Fri Aug 27 14:01:19 1999 Marc Espie <espie@cvs.openbsd.org>
13377 * config/openbsd.h: Define SET_ASM_OP.
13378 * tm.texi: cross-reference SET_ASM_OP in the index.
13380 1999-08-27 13:27 -0700 Zack Weinberg <zack@bitmover.com>
13382 * rtl.c: Define CONST_DOUBLE_FORMAT to the appropriate format
13383 for a CONST_DOUBLE, at compile time. Initialize rtx_length
13384 and class_narrowest_mode at compile time. Kill init_rtl.
13385 Mark rtx_length, mode_class, mode_size, mode_unit_size,
13386 mode_wider_mode, mode_mask_array, class_narrowest_mode, and
13387 rtx_format as const. Kill all references to EXTRA_CC_MODES or
13389 * rtl.def (CONST_DOUBLE): Use CONST_DOUBLE_FORMAT macro for
13391 * rtl.h: Declare rtx_length and rtx_format as const.
13392 * machmode.def: Define CC(). Use CC() to define CCmode. If
13393 EXTRA_CC_MODES is defined, expand it here.
13394 * machmode.h: Declare mode_class, mode_size, mode_unit_size,
13395 mode_wider_mode, mode_mask_array, and class_narrowest_mode as
13396 const. Kill all references to EXTRA_CC_MODES.
13398 * toplev.c: Don't prototype or call init_rtl.
13399 * optabs.c: Don't call init_mov_optab.
13400 * genemit.c: Don't generate init_mov_optab. Don't call
13402 * gengenrtl.c: Duplicate calculation of CONST_DOUBLE_FORMAT
13404 * genattr.c, genattrtab.c, gencodes.c, genconfig.c,
13405 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
13406 genrecog.c: Don't call init_rtl.
13408 * arc.h, arm.h, c4x.h, i386.h, i960.h, m88k.h, pa.h, pdp11.h,
13409 rs6000.h, sparc.h: Don't define EXTRA_CC_NAMES. Use CC() in
13410 definition of EXTRA_CC_MODES.
13412 * md.texi: Kill ref to EXTRA_CC_NAMES.
13413 * tm.texi: Document new way to define EXTRA_CC_MODES.
13415 * genrecog.c: Do not look up the name of a define_split.
13416 (Unrelated bugfix.)
13418 Fri Aug 27 17:03:42 1999 Nick Clifton <nickc@cygnus.com>
13420 * config/v850/v850.md: Fix typo introduced by previous delta.
13422 Fri Aug 27 09:48:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13424 * gcc.c (fatal): Make definition static to match prototype.
13426 Fri Aug 27 10:33:35 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13428 * combine.c (get_last_value): Don't look for earlier sets if the last
13429 known set is somewhere in between the insns being combined.
13431 Fri Aug 27 10:03:12 BST 1999 Nathan Sidwell <nathan@acm.org>
13433 * configure.in: Don't use shell ! to negate exit codes
13434 * configure: Regenerate
13436 Fri Aug 27 09:36:17 1999 Andreas Schwab <schwab@suse.de>
13438 * function.c (assign_stack_temp_for_type): Fix change of Mar 5 for
13439 the fact that ALIGN is measured in bits, not bytes.
13441 1999-08-27 00:27 -0700 Zack Weinberg <zack@bitmover.com>
13443 * errors.c: New file; defines functions error, warning, and
13444 fatal, variables have_error and progname.
13445 * errors.h: New file; prototypes and decls for stuff in errors.c.
13447 * Makefile: Add rules to build errors.o and
13448 $(HOST_PREFIX)errors.o. Link genconfig, gencodes, genemit,
13449 genopinit, genrecog, genextract, genpeep, genattr, and
13450 genoutput with errors.o. Add errors.h to deps of genconfig.o,
13451 gencodes.o, genemit.o, genopinit.o, genrecog.o, genextract.o,
13452 genpeep.o, genattr.o, and genoutput.o.
13454 * genconfig.c, gencodes.c, genemit.c, genopinit.c, genrecog.c,
13455 genextract.c, genpeep.c, genattr.c: Include errors.h. Don't
13456 define or prototype fatal. Set progname at beginning of main.
13457 * genoutput.c: Likewise, and don't define or prototype error
13460 * c-typeck.c (c_expand_start_case): Return immediately if exp
13462 * fold-const.c (operand_equal_p): Return immediately if arg1
13463 or arg0 are ERROR_MARKs.
13464 * stor-layout.c (layout_type [case RECORD_TYPE]): Ignore
13465 fields of type ERROR_MARK when calculating if the record can
13468 Fri Aug 27 01:03:48 1999 Jim Kingdon <http://developer.redhat.com>
13469 with much help from Jeffrey A Law and Richard Henderson
13471 * i386.md: In the 6 insns which call output_fix_trunc,
13472 earlyclobber operands[0].
13474 Fri Aug 27 01:01:51 1999 Philip Blundell <pb@nexus.co.uk>
13476 * jump.c (duplicate_loop_exit_test): Call reg_scan_update after
13477 creating new registers.
13479 1999-08-26 23:09 -0700 Zack Weinberg <zack@bitmover.com>
13481 * i386.h: Declare ix86_cpu_string, ix86_arch_string,
13482 i386_reg_alloc_order, i386_regparm_string,
13483 i386_align_loops_string, i386_align_jumps_string,
13484 i386_align_funcs_string, i386_preferred_stack_boundary_string,
13485 and i386_branch_cost_string as type "const char *".
13486 * i386.c: Define all above strings as type "const char *".
13488 Thu Aug 26 20:36:30 1999 Jim Wilson <wilson@cygnus.com>
13490 * dwarf2out.c (output_aranges): Check DWARF_OFFSET_SIZE not PTR_SIZE
13491 when emitting alignment padding. Emit padding byte of 0 instead of 4.
13493 Thu Aug 26 18:11:20 1999 Mark Mitchell <mark@codesourcery.com>
13495 * tree.c (array_type_nelts): Don't create RTL_EXPRs from
13496 SAVE_EXPRs unless the SAVE_EXPRs have already been expanded.
13498 Thu Aug 26 19:33:23 1999 Jim Wilson <wilson@cygnus.com>
13500 * dwarf2out.c (DWARF2_ASM_LINE_DEBUG_INFO): Add default definition.
13501 (debug_dwarf): Add DWARF2_ASM_LINE_DEBUG_INFO support.
13502 (dwarf2out_line, dwarf2out_finish): Likewise.
13503 * tm.texi (DWARF2_ASM_LINE_DEBUG_INFO): Add documetation.
13505 Thu Aug 26 16:10:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
13507 * tree.c (lang_unsave_expr_now) : Correct return type.
13508 * tree.h (lang_unsave_expr_now) : Same.
13510 Thu Aug 26 13:12:29 1999 Jeffrey A Law (law@cygnus.com)
13512 * pa.c (cint_ok_for_move): Use CONST_INT_OK_FOR_LETTER_P macros
13513 instead of duplicating code.
13515 Thu Aug 26 18:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13517 * gcse.c (hash_scan_insn): Don't scan obvious no-ops.
13519 1999-08-26 09:42 -0700 Zack Weinberg <zack@bitmover.com>
13521 * tree.h: fancy_abort always takes three args.
13522 * resource.c: Move include of system.h before toplev.h.
13524 Thu Aug 26 09:46:16 1999 Nick Clifton <nickc@cygnus.com>
13526 * dwarf2out.c (mem_loc_descriptor): Accept LABEL_REFs as well
13529 1999-08-25 22:10 -0700 Zack Weinberg <zack@bitmover.com>
13531 * system.h: Don't redefine abort or trim_filename.
13532 * rtl.h: Define abort to fancy_abort (__FILE__, __LINE__, 0)
13533 or fancy_abort (__FILE__, __LINE__, __FUNCTION__) depending on
13534 whether or not __FUNCTION__ is available.
13535 * tree.h: Duplicate rtl.h's definition of abort, for files
13536 that don't include rtl.h. Delete all code to perform type
13537 checking with a compiler other than GCC.
13538 * varray.h: Delete all code to perform type checking with a
13539 compiler other than GCC. Make VARRAY_CHECK() always evaluate
13540 its arguments exactly once, using a statement expression.
13541 Adjust the VARRAY_<type> accessor macros to match.
13542 * toplev.h (fatal_insn, fatal_insn_not_found): Kill.
13543 (_fatal_insn, _fatal_insn_not_found): New fns, take info on
13544 caller's location. Define fatal_insn and fatal_insn_not_found
13545 as macros that use _fatal_insn and _fatal_insn_not_found.
13546 (fancy_abort, trim_filename): Kill prototypes.
13548 * rtl.c (trim_filename): Move here from toplev.c.
13549 (fancy_abort): New function.
13550 (DIR_SEPARATOR): Provide default definition.
13551 * tree.c (tree_check_failed, tree_class_check_failed): Go
13552 through fancy_abort.
13553 (tree_check, tree_class_check, cst_or_constructor_check,
13554 expr_check): Delete.
13555 * varray.c (varray_check_failed): New function.
13556 * toplev.c (fatal_insn, fatal_insn_not_found): Replace with
13557 _fatal_insn and _fatal_insn_not_found. Go through
13559 (trim_filename, fancy_abort): Delete.
13561 * builtins.c (expand_builtin_args_info): Report ICE with abort.
13562 * except.c (start_catch_handler): Report ICE with error/abort
13564 * final.c (output_operand_lossage): Likewise.
13565 * flow.c (verify_flow_info): Likewise.
13567 * gcc.c: Prototype fatal.
13568 * gengenrtl.c: Undef abort after including rtl.h not system.h.
13569 * genattr.c, genattrtab.c, genemit.c, genextract.c,
13570 genflags.c, genopinit.c, genoutput.c, genpeep.c, genrecog.c:
13571 Don't define fancy_abort.
13573 Wed Aug 25 17:56:59 1999 Richard Henderson <rth@cygnus.com>
13575 * optabs.c (emit_cmp_and_jump_insns): Be more thorough in
13578 Wed Aug 25 15:35:55 1999 Richard Henderson <rth@cygnus.com>
13580 * m88k.h (VERSION_INFO2): Kill.
13581 (VERSION_STRING): Kill.
13583 (VERSION_INFO1): Tidy.
13584 (TARGET_VERSION): Update.
13585 * m88k/dgux.h (VERSION_INFO2): Kill.
13586 (ASM_FIRST_LINE): Adjust for death of VERSION_STRING.
13587 * m88k/luna.h (VERSION_INFO1): Tidy.
13588 * m88k/sysv4.h (VERSION_INFO1): Likewise.
13589 * m88k.c (out_rcs_id, tm_rcs_id): Kill.
13590 (output_file_start): Adjust for death of VERSION_STRING.
13592 1999-08-25 13:51 -0700 Jim Meyering <meyering@ascend.com>
13594 * cpplib.c (detect_if_not_defined): New function.
13595 (do_if): Use it to detect potential once-only headers.
13597 Wed Aug 25 14:00:18 1999 Jason Merrill <jason@yorick.cygnus.com>
13599 * c-common.c (combine_strings): Always set TREE_CONSTANT.
13601 Wed Aug 25 15:27:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
13603 * combine.c (nonzero_bits) : Allow single-ly set registers to be
13604 anywere in the function only if they are pseudos and set before
13605 being used (not live at the start of the function).
13606 (num_sign_bit_copies) : Same.
13607 (get_last_value_validate) : Same.
13608 (get_last_value) : Same.
13610 Wed Aug 25 11:13:29 1999 Richard Henderson <rth@cygnus.com>
13612 * loop.c (express_from): Try harder to unify (* c N) and (* c M)
13613 where N and M are constant and N is an integer multiple of M.
13615 Wed Aug 25 13:55:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
13617 * sbitmap.h (sbitmap_intersection_of_succs): Add prototype.
13618 (sbitmap_intersection_of_preds, sbitmap_union_of_succs,
13619 sbitmap_union_of_preds): Add prototypes.
13620 * sbitmap.c (sbitmap_intersection_of_succs): New function to compute
13621 the intersection of successors with the new flow graph structures.
13622 (sbitmap_intersection_of_preds): New function to compute the
13623 intersection of predecessors with the new flow graph structures.
13624 (sbitmap_union_of_succs): New function to compute the union of
13625 successors with the new flow graph structures.
13626 (sbitmap_union_of_preds): New function to compute the union of
13627 predecessors with the new flow graph structures.
13628 * gcse.c (compute_rdm, compute_available): Use new sbitmap routines.
13629 (expr_reaches_here_p): Use edge and basic_block structures instead
13630 of s_preds and s_succs.
13631 (compute_cprop_avinout): Use new sbitmap routines.
13632 (pre_expr_reaches_here_p): Use edge and basic_block structures instead
13633 of s_preds and s_succs.
13634 * flow.c (compute_flow_dominators): Compute dominators using
13635 edges and basic blocks instead of s_preds and s_succs.
13637 Wed Aug 25 13:41:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
13639 * lists.c (unused_insn_list, unused_expr_list): New file for
13640 maintaining various types of lists. New statics for maintaining a
13641 cache of available INSN_LIST and EXPR_LIST nodes.
13642 (free_list): Static function for freeing a list of INSN/EXPR nodes.
13643 (alloc_INSN_LIST): Function to get a free INSN_LIST node.
13644 (alloc_EXPR_LIST): Function to get a free EXPR_LIST node.
13645 (init_EXPR_INSN_LIST_cache): Initialize the cache lists.
13646 (free_EXPR_LIST_list): Free an entire list of EXPR_LIST nodes.
13647 (free_INSN_LIST_list): Free an entire list of INSN_LIST nodes.
13648 (free_EXPR_LIST_node): Free an individual EXPR_LIST node.
13649 (free_INSN_LIST_node): Free an individual INSN_LIST node.
13650 * haifa-sched.c (unused_insn_list, unused_expr_list): Moved to flow.c
13651 (free_list, alloc_INSN_LIST, alloc_EXPR_LIST): Moved to flow.c
13652 (remove_dependence, free_pending_lists): Use new global routines.
13653 (flush_pending_lists, sched_analyze_insn): Use new global routines.
13654 (sched_analyze, compute_block_backward_dependences): Use new routines.
13655 (sched_analyze_1, sched_analyze_2): Use new routines.
13656 (schedule_insns): Use new global routines.
13657 * rtl.h (init_EXPR_INSN_LIST_cache, free_EXPR_LIST_list): Add function
13659 (free_INSN_LIST_list, free_EXPR_LIST_node): Add prototypes.
13660 (free_INSN_LIST_node, alloc_INSN_LIST, alloc_EXPR_LIST): Add function
13662 * toplev.c (rest_of_compilation): Initialize node cache.
13663 * Makefile.in (OBJS): Add lists.o to list of object files.
13664 (lists.o): Add dependancies.
13666 Wed Aug 25 17:31:56 1999 Nick Clifton <nickc@cygnus.com>
13668 * config/v850/v850.md: Fix compile time warning messages.
13669 * config/v850/v850.c: Fix compile time warning messages.
13670 * config/v850/v850.h: Fix compile time warning messages.
13672 Wed Aug 25 09:44:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13674 * genattr.c (gen_attr): Add prototype arguments for get_attr_*().
13675 Remove unused prototype for `init_lengths'.
13677 Wed Aug 25 09:32:31 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13679 * calls.c (emit_call_1): Mark parameter `stack_size' with
13681 (expand_call): Initialize variable `insn'.
13682 (emit_library_call): Likewise for variable `high_to_save'.
13683 (emit_library_call_value): Likewise.
13684 (store_one_arg): Likewise for variables `lower_bound' and
13687 * combine.c (try_combine): Likewise for variables `i2_code_number'
13688 and `other_code_number'.
13689 (find_split_point): Likewise for variables `pos', `unsignedp' and
13691 (simplify_if_then_else): Likewise for variables `op' and `c1'.
13692 (simplify_and_const_int): Remove unused variable `width'.
13693 (merge_outer_ops): Likewise.
13695 * cse.c (simplify_binary_operation): Cast an INTVAL() to `unsigned
13696 HOST_WIDE_INT' when comparing against one.
13697 (simplify_relational_operation): Likewise.
13698 (cse_insn): Initialize variables `src_eqv_volatile',
13699 `src_eqv_in_memory', `src_eqv_in_struct', `src_eqv_hash' and `sets'.
13701 * final.c (init_final): Constify parameter `filename'.
13702 (final_start_function): Mark parameter `optimize' with
13704 (profile_function): Likewise for parameters `first' and `optimize'.
13705 (output_source_line): Likewise for parameter `file'.
13707 * integrate.c (subst_constants): Cast a value to `size_t' when
13708 comparing against one.
13709 (mark_stores): Initialize variable `mode'. Cast a value to
13710 `size_t' when comparing against one.
13712 * integrate.h (MAYBE_EXTEND_CONST_EQUIV_VARRAY): Likewise.
13714 * loop.c (move_movables): Initialize variable `first'.
13715 (strength_reduce): Likewise for variable `increment'.
13716 (check_dbra_loop): Likewise for variable `comparison_val'. Cast a
13717 value to `size_t' when comparing against one.
13718 (load_mems): Initialize variable `end_label'.
13720 * output.h (init_final): Constify parameter.
13722 * reload.c (decompose): Initialize variable `base'.
13724 * reload1.c (reload): Likewise for variable `is_scalar'.
13725 (spill_hard_reg): Mark parameter `dumpfile' with ATTRIBUTE_UNUSED.
13726 (choose_reload_regs): Initialize variable `mode'.
13727 (emit_reload_insns): Likewise for variable `store_insn'.
13728 (reload_cse_noop_set_p): Mark parameter `insn' with
13730 (reload_combine): Initialize variable `set'.
13732 * unroll.c (unroll_loop): Likewise for variable `local_label'.
13733 (copy_loop_body): Cast a value to `size_t' when comparing against
13736 * varasm.c (assemble_variable): Initialize variable `size_tree'.
13737 (const_hash): Add an `else abort()' in an if-else-if-else sequence.
13738 (remove_from_pending_weak_list): Mark parameter `name' with
13741 Wed Aug 25 11:18:39 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13743 * toplev.c (rest_of_compilation): Use decl_printable_name when opening
13746 Wed Aug 25 10:57:12 1999 Nick Clifton <nickc@cygnus.com>
13748 * config/arm/telf.h (ASM_WEAKEN_LABEL): Define.
13749 (ASM_DECLARE_FUNCTION_NAME): Define.
13750 (TYPE_ASM_OP, SIZE_ASM_OP, TYPE_OPERAND_FORMAT,
13751 ASM_DECLARE_RESULT, ASM_DECLARE_OBJECT_NAME,
13752 ASM_FINISH_DECLARE_OBJECT, ASM_DECLARE_FUNCTION_SIZE): Define if
13753 not already defined.
13755 Wed Aug 25 01:36:11 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
13757 * calls.c (emit_call_1): Use call_pop/call_value_pop for all values
13758 of n_popped when call/call_value are not defined.
13760 Wed Aug 25 01:25:14 1999 Jeffrey A Law (law@cygnus.com)
13762 * tm.texi: GNU CC -> GCC conversion.
13763 (CC1_SPEC): Indicate it is used for all language front ends.
13765 Tue Aug 24 23:43:03 1999 Mark Mitchell <mark@codesourcery.com>
13767 * flow.c (delete_block): Spell NOTE_INSN_EH_REGION_BEG and
13768 NOTE_INSN_EH_REGION_END correctly.
13770 Tue Aug 24 23:26:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
13771 Jeff Law <law@cygnus.com>
13773 * loop.c (strength_reduce): Automatically unroll loops if the
13774 unrolled loop size is smaller than the rolled loop size.
13776 * loop.c (insert_bct): Replace use of sdiv_optab with asr_optab
13777 and delete comment that code should be rewritten.
13779 Tue Aug 24 22:56:35 1999 Jeffrey A Law (law@cygnus.com)
13781 * haifa-sched.c (find_rgns): Mark a block found during the DFS search
13784 * haifa-sched.c (get_visual_tbl_length): Fix off-by-one error.
13786 Tue Aug 24 22:41:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
13788 * fixinc/mkfixinc.sh: Don't fix uwin headers.
13789 * i386/uwin.h (MD_STARTFILE_PREFIX): Define.
13790 (LINK_SPEC): Add -u _main when building executables.
13791 (ASM_DECLARE_FUNCTION): Update from Cygwin.
13792 (ASM_FILE_END): Use the default for ix86-pe.
13793 * i386/xm-uwin.h (HAVE_BCOPY): Undefine.
13795 Tue Aug 24 20:49:47 1999 Art Haas <ahaas@neosoft.com>
13797 * final.c (output_addr_const): Handle case where ASM_OPEN_PAREN
13798 and ASM_CLOSE_PAREN are empty strings.
13800 Wed Aug 25 12:46:22 1999 Fred Fish <fnf@cygnus.com>
13801 Geoffrey Keating <geoffk@cygnus.com>
13803 * Makefile.in (PREPROCESSOR_DEFINES): New macro.
13804 (protoize.o): Use PREPROCESSOR_DEFINES and DRIVER_DEFINES.
13805 (unprotoize.o): Ditto.
13806 (test-protoize-simple): Don't define STD_PROTO_DIR.
13807 * protoize.c: Use PARAMS rather than PROTO. Minor whitespace
13808 changes to make 'test-protoize-simple' pass.
13809 (STD_PROTO_DIR): Remove define.
13810 (STANDARD_EXEC_PREFIX): Supply default define.
13811 (standard_exec_prefix): New variable, init to STANDARD_EXEC_PREFIX.
13812 (target_machine): New variable, init to DEFAULT_TARGET_MACHINE.
13813 (target_version): New variable, init to DEFAULT_TARGET_VERSION.
13814 (GET_ENV_PATH_LIST): New macro.
13815 (default_syscalls_dir): No longer initialized to STD_PROTO_DIR.
13816 (do_processing): Initialize default_syscalls_dir using new
13817 macros. Use it to initialize syscalls_absolute_filename.
13819 Tue Aug 24 16:58:15 1999 Richard Henderson <rth@cygnus.com>
13821 * jump.c (jump_optimize_1): Do cmov opt on any single-set; force
13822 B into a register before emit_conditional_move.
13824 Tue Aug 24 15:37:03 1999 Richard Henderson <rth@cygnus.com>
13826 * fold-const.c (fold): Reassociate (+ (+ (* a b) c) (* d e))
13827 as (+ (+ (* a b) (* d e)) c). Factor a common power-of-two
13828 multiplicand out of (+ (* a b) (* c d)).
13830 Tue Aug 24 11:46:10 1999 Bob Manson <manson@cygnus.com>
13831 Richard Henderson <rth@cygnus.com>
13833 * haifa-sched.c (split_hard_reg_notes): Move to flow.c
13834 (new_insn_dead_notes): Likewise.
13835 (update_n_sets): Likewise.
13836 (update_flow_info): Move to flow.c, renamed to update_life_info;
13837 extend to handle multiple source insns.
13838 * flow.c: Include resource.h
13839 (unlink_insn_chain): New.
13840 (split_hard_reg_notes): New.
13841 (maybe_add_dead_note): New.
13842 (maybe_add_dead_note_use): New.
13843 (find_insn_with_note): New.
13844 (new_insn_dead_notes): New.
13845 (update_n_sets): New.
13846 (sets_reg_or_subreg_1, sets_reg_or_subreg): New.
13847 (maybe_remove_dead_notes): New.
13848 (update_life_info): New.
13849 (prepend_reg_notes): New.
13850 (replace_insns): New.
13851 * output.h (update_life_info): Declare.
13852 * recog.c (split_block_insns): Use update_life_info.
13853 * resource.c (find_free_register): Use reg_alloc_order, don't use
13854 fixed regs, make sure the mode is supported, don't use new regs.
13856 * rtl.h (replace_insns): Declare.
13858 Tue Aug 24 13:48:39 1999 Nathan Sidwell <nathan@acm.org>
13860 * expr.c (expand_expr): Cope with COND_EXPRs with one
13861 non-returning branch.
13863 Mon Aug 23 22:28:16 1999 Mark Mitchell <mark@codesourcery.com>
13865 * expr.c (store_expr): Always pass down the target, even when not
13868 1999-08-24 Nick Clifton <nickc@cygnus.com>
13870 * configure.in: Define target_cpu_default for v850 targets.
13871 * configure: Regenerate
13873 * config/v850/v850.h (TARGET_CPU_generic): Define.
13874 (GO_IF_LEGITIMATE_ADDRESS): Insist that SImode and larger constant
13875 addresses are 4 byte aligned.
13877 * config/v850/v850.c (print_operand): Cope with 'R' format DFmode
13880 Tue Aug 24 09:32:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13882 * genattr.c (function_unit_desc): Constify a char*. Add prototype.
13883 (main): Add prototypes.
13885 * genattrtab.c (substitute_address, write_const_num_delay_slots,
13886 attr_eq, attr_numeral, attr_equal_p, attr_copy_rtx): Prototype.
13887 (write_attr_get): Emit prototypes along with function definition.
13888 (write_eligible_delay): Mark a parameter with ATTRIBUTE_UNUSED.
13889 (write_complex_function): Emit static prototype along with
13890 function definition.
13892 * genemit.c (gen_split): Emit prototypes along with function
13895 * genoutput.c (output_epilogue): Add prototype to `insn_outfun'.
13896 Likewise for predicates and `insn_operand_predicate'.
13897 (process_template): Emit static prototype along with function
13900 * genrecog.c (make_insn_sequence): Constify a char*. Add
13901 prototypes for get_split_*().
13902 (write_subroutine): Emit prototypes along with function
13905 Tue Aug 24 12:35:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13907 * gcse.c (find_avail_set): Follow chains of register-register copies.
13908 Use oprs_not_set_p to guarantee that the returned value can be
13910 (cprop_insn): Don't verify the return value of find_avail_set with
13913 * gcse.c (cprop_jump): New function, broken out of cprop_insn.
13914 (cprop_cc0_jump): New function.
13915 (cprop_insn): Break out new function cprop_jump and use it.
13916 Also use cprop_cc0_jump for machines with CC0.
13917 (cprop): Don't crash if cprop_insn turned the insn into a NOTE.
13919 * tree.h (current_function_calls_setjmp,
13920 current_function_calls_longjmp): Delete declarations.
13921 * dsp16xx.c: Include "function.h".
13922 * elxsi.c: Likewise.
13923 * gmicro.c: Likewise.
13924 * h8300.c: Likewise.
13925 * i370.c: Likewise.
13926 * m32r.c: Likewise.
13927 * mn10200.c: Likewise.
13928 * mn10300.c: Likewise.
13929 * ns32k.c: Likewise.
13930 * spur.c: Likewise.
13931 * v850.c: Likewise.
13933 * rtl.h (rtx_equal_function_value_matters): Declare.
13934 * toplev.c (rtx_equal_function_value_matters): Don't declare.
13936 * function.c: Likewise.
13937 * emit-rtl.c: Likewise.
13939 Tue Aug 24 02:47:44 1999 Jeffrey A Law (law@cygnus.com)
13941 * expr.c (convert_move): Fix arguments to TRULY_NOOP_TRUNCATION
13944 1999-08-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
13946 * jump.c (delete_barrier_successors) Match (set (pc) (pc)) insn
13949 Mon Aug 23 23:35:52 1999 Matthias Klose <doko@cs.tu-berlin.de>
13951 * cpp.texi: Add a node documenting macro varargs (copied
13954 1999-08-23 22:23 -0700 Zack Weinberg <zack@bitmover.com>
13956 * cppspec.c: Put a null pointer at the end of the new argv.
13958 Mon Aug 23 21:23:24 1999 Jeffrey A Law (law@cygnus.com)
13960 * configure.in: Remove code to select/de-select the haifa
13961 scheduler. Every scheduled port gets haifa now.
13962 * configure: Rebuilt.
13963 * flags.h, genattrtab.c, rtl.h, toplev.c: Remove HAIFA ifdefs.
13965 * Makefile.in: Corresponding changes.
13967 Mon Aug 23 16:04:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13969 * optabs.c (prepare_cmp_insn): Turn COMPARISON arg into a pointer.
13970 All callers changed.
13971 (prepare_float_lib_cmp): Likewise.
13972 Use FLOAT_LIB_COMPARE_RETURNS_BOOL.
13973 * expr.h (emit_float_lib_cmp): Delete declaration.
13974 * tm.texi (FLOAT_LIB_COMPARE_RETURNS_BOOL): Document.
13975 * sparc.h (FLOAT_LIB_COMPARE_RETURNS_BOOL): Define.
13976 * sparc.md (bcc and scc patterns): Don't handle TFmode comparisons
13978 (cmptf): Now conditional on TARGET_HARD_QUAD.
13980 Fri Aug 20 17:52:27 1999 Jim Wilson <wilson@cygnus.com>
13982 * resource.c (mark_target_live_regs): Use
13983 PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.
13985 Fri Aug 20 19:07:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13987 * rtl.c (rtx_class, note_insn_name, reg_note_name): Constify.
13989 * rtl.h (rtx_class, reg_note_name, note_insn_name): Likewise.
13991 * genopinit.c (gen_insn): Use accessor macro, not `rtx_class'.
13993 Fri Aug 20 18:53:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13995 * rtl.h (rtx_format): Constify a char*.
13997 * rtl.c (rtx_format): Likewise.
13998 (copy_rtx, copy_most_rtx, read_rtx): Likewise.
13999 (init_rtl): Use accessor macro, not `rtx_format'.
14001 * alias.c (rtx_equal_for_memref_p, find_symbolic_term): Constify a
14004 * caller-save.c (mark_referenced_regs): Likewise.
14006 * combine.c (subst, make_compound_operation, known_cond,
14007 gen_rtx_combine, update_table_tick, get_last_value_validate,
14008 use_crosses_set_p, mark_used_regs_combine, move_deaths): Likewise.
14010 * cse.c (rtx_cost, mention_regs, canon_hash, exp_equiv_p,
14011 refers_to_p, canon_reg, fold_rtx, cse_process_notes,
14012 count_reg_usage): Likewise.
14014 * emit-rtl.c (gen_rtx, copy_rtx_if_shared, reset_used_flags):
14017 * final.c (leaf_renumber_regs_insn): Likewise.
14019 * flow.c (mark_used_regs, find_use_as_address, dump_flow_info,
14020 dump_edge_info, count_reg_references): Likewise.
14022 * function.c (fixup_var_refs_1, walk_fixup_memory_subreg,
14023 fixup_stack_1, purge_addressof_1, instantiate_virtual_regs_1):
14026 * gcse.c (oprs_unchanged_p, hash_expr_1, expr_equiv_p,
14027 oprs_not_set_p, expr_killed_p, compute_transp, find_used_regs,
14028 add_label_notes): Likewise.
14030 * genattrtab.c (attr_rtx, attr_copy_rtx, encode_units_mask,
14031 clear_struct_flag, count_sub_rtxs, count_alternatives,
14032 compares_alternatives_p, contained_in_p, walk_attr_value,
14033 write_expr_attr_cache): Likewise.
14035 * genconfig.c (walk_insn_part): Likewise.
14037 * genemit.c (max_operand_1, gen_exp): Likewise.
14039 * genextract.c (walk_rtx): Likewise.
14041 * genflags.c (num_operands): Likewise.
14043 * genoutput.c (scan_operands): Likewise.
14045 * genpeep.c (match_rtx): Likewise.
14047 * genrecog.c (add_to_sequence): Likewise.
14049 * haifa-sched.c (may_trap_exp, sched_analyze_2, attach_deaths):
14052 * integrate.c (save_constants, copy_for_inline,
14053 copy_rtx_and_substitute, subst_constants, restore_constants):
14056 * jump.c (mark_jump_label, invert_exp, redirect_exp,
14057 rtx_renumbered_equal_p, rtx_equal_for_thread_p): Likewise.
14059 * local-alloc.c (contains_replace_regs, memref_referenced_p):
14062 * loop.c (record_excess_regs, rtx_equal_for_loop_p,
14063 add_label_notes, replace_call_address, count_nonfixed_reads,
14064 invariant_p, find_single_use_in_loop, find_mem_givs,
14065 find_life_end, maybe_eliminate_biv_1, update_reg_last_use):
14068 * print-rtl.c (reg_names, print_rtx): Likewise.
14070 * recog.c (validate_replace_rtx_1, find_single_use_1): Likewise.
14072 * reg-stack.c (stack_regs_mentioned_p, record_label_references,
14073 record_reg_life_pat, swap_rtx_condition, goto_block_pat,
14074 print_blocks): Likewise.
14076 * regclass.c (fix_register, record_address_regs,
14077 reg_scan_mark_refs): Likewise.
14079 * regmove.c (stable_but_for_p): Likewise.
14081 * reload.c (loc_mentioned_in_p, operands_match_p,
14082 find_reloads_toplevsubst_reg_equivs, find_reloads_address_1,
14083 copy_replacements, refers_to_regno_for_reload_p,
14084 refers_to_mem_for_reload_p, find_inc_amount, regno_clobbered_p,
14085 reload_when_needed_name, reg_class_names, debug_reload_to_stream):
14088 * reload1.c (eliminate_regs, scan_paradoxical_subregs,
14089 delete_address_reloads_1, count_occurrences,
14090 reload_cse_mem_conflict_p, reload_combine_note_use,
14091 add_auto_inc_notes): Likewise.
14093 * resource.c (mark_referenced_resources, mark_set_resources):
14096 * rtlanal.c (rtx_unstable_p, rtx_varies_p, rtx_addr_varies_p,
14097 reg_mentioned_p, regs_set_between_p, modified_between_p,
14098 modified_in_p, refers_to_regno_p, reg_overlap_mentioned_p,
14099 rtx_equal_p, volatile_insn_p, volatile_refs_p, side_effects_p,
14100 may_trap_p, inequality_comparisons_p, replace_rtx, replace_regs,
14101 jmp_uses_reg_or_mem, for_each_rtx, regno_use_in): Likewise.
14103 * sched.c (sched_analyze_2, attach_deaths): Likewise.
14105 * stupid.c (stupid_mark_refs): Likewise.
14107 * unroll.c (remap_split_bivs): Likewise.
14109 * varasm.c (mark_constants): Likewise.
14111 * a29k/a29k.c (uses_local_reg_p): Likewise.
14113 * alpha/alpha.c (summarize_insn): Likewise.
14115 * arm/arm.c (symbol_mentioned_p, label_mentioned_p,
14116 eliminate_lr2ip): Likewise.
14118 * arm/thumb.c (symbol_mentioned_p, label_mentioned_p): Likewise.
14120 * i386/i386.c (symbolic_reference_mentioned_p, copy_all_rtx,
14121 reg_mentioned_in_mem): Likewise.
14123 * ns32k/ns32k.c (global_symbolic_reference_mentioned_p,
14124 symbolic_reference_mentioned_p): Likewise.
14126 * romp/romp.c (unsigned_comparisons_p, hash_rtx): Likewise.
14128 * sh/sh.c (regs_used, mark_use): Likewise.
14130 * vax/vax.c (vax_rtx_cost): Likewise.
14132 Fri Aug 20 18:38:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14134 * machmode.h (mode_name): Constify a char*.
14136 * rtl.c (mode_name): Likewise.
14138 * genopinit.c (gen_insn): Use accessor macro, not `mode_name'.
14140 * optabs.c (init_libfuncs): Constify a char*.
14142 * print-tree.c (mode_name): Remove redundant declaration.
14143 (print_node): Use accessor macro, not `mode_name'.
14145 * reload1.c (dump_needs): Constify a char*. Use accessor macro,
14147 (new_spill_reg): Constify a char*.
14149 * tree.c (mode_name): Remove redundant declaration.
14151 Fri Aug 20 18:31:26 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14153 * rtl.c (rtx_name): Constify a char*.
14155 * rtl.h (rtx_name, fix_sched_param): Likewise.
14157 * gmicro/gmicro.c (rtx_name): Remove redundant declaration.
14158 (mypr): Use accessor macro, not `rtx_name'.
14160 * genemit.c (print_code): Constify a char*.
14162 * genopinit.c (gen_insn): Use accessor macro, not `rtx_name'.
14164 * genpeep.c (print_code): Constify a char*.
14166 * genrecog.c (print_code): Likewise.
14168 * graph.c (start_fct, start_bb, node_data, draw_edge, end_fct,
14169 end_bb): Add static prototype.
14170 (draw_edge): Constify a char*.
14171 (end_bb): Remove unused parameter.
14173 * haifa-sched.c (fix_sched_param, safe_concat, print_exp
14174 print_block_visualization): Constify a char*.
14176 Fri Aug 20 15:02:10 1999 Mark Mitchell <mark@codesourcery.com>
14178 * c-common.c (c_get_alias_set): Update comment.
14180 1999-08-20 Andreas Jaeger <aj@arthur.rhein-neckar.de>
14182 * linux.h (LIB_SPEC): Added.
14184 Fri Aug 20 22:32:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14186 * config/c4x/c4x.h (STARTFILE_SPEC): Don't define.
14188 1999-08-19 18:43 -0700 Zack Weinberg <zack@bitmover.com>
14190 * tree.c (expr_check): Fix typo in last change.
14192 1999-08-19 14:44 -0700 Zack Weinberg <zack@bitmover.com>
14194 * rtl.def (NOTE): Change format to "iuu0n".
14195 (ADDR_DIFF_VEC): Change format to "eEee0".
14196 (ADDRESSOF): Change format to "eit".
14198 * rtl.h (rtvec): Make "elem" an array of rtx, not rtunion.
14199 (RTVEC_ELT): Change to match.
14200 (XVECEXP): Use XVEC and RTVEC_ELT.
14201 (INSN_UID, INSN_CODE, CODE_LABEL_NUMBER, NOTE_LINE_NUMBER,
14202 ADDRESSOF_REGNO, REGNO, SUBREG_WORD): Use XINT.
14203 (PREV_INSN, NEXT_INSN, PATTERN, REG_NOTES,
14204 CALL_INSN_FUNCTION_USAGE, SUBREG_REG, SET_SRC, SET_DEST,
14205 TRAP_CONDITION, TRAP_CODE): Use XEXP.
14206 (INTVAL): Use XWINT.
14207 (ADDRESSOF_DECL): Use XTREE.
14208 (SET_ADDRESSOF_DECL): Delete.
14209 (NOTE_DECL_NAME, NOTE_DECL_CODE, NOTE_DECL_RTL,
14210 NOTE_DECL_IDENTIFIER, NOTE_DECL_TYPE): Kill. These have been
14211 ifdefed out since 2.6 at least.
14212 (gen_rtvec_vv): Delete prototype.
14214 * rtl.h (rtvec_alloc): rt->elem is now an array of rtx,
14216 (copy_most_rtx): Handle 't' format letter.
14217 * emit-rtl.c (gen_rtvec_v): rt_val->elem is an array of rtx.
14218 (gen_rtvec_vv): Delete function. All callers changed to use
14219 gen_rtvec_v instead.
14220 * print-rtl.c (print_rtx): Move special casing of NOTEs to
14221 the '0' format letter.
14223 * function.c (gen_mem_addressof): Don't use
14224 SET_ADDRESSOF_DECL; provide `decl' to gen_rtx_ADDRESSOF
14226 * integrate.c (copy_rtx_and_substitute): Likewise.
14227 Copy 't' slots with XTREE.
14228 (subst_constants): Treat 't' slots like '[swi]' slots.
14229 * cse.c (canon_hash, exp_equiv_p): Treat 't' slots like '0' slots.
14230 * jump.c (rtx_equal_for_thread_p): Likewise.
14231 * rtlanal.c (rtx_equal_p): Likewise.
14232 * stmt.c (expand_end_case): gen_rtx_ADDR_DIFF_VEC now takes
14233 only four arguments.
14234 * gengenrtl.c (type_from_format): Provide correct types for
14238 * tree.h [ENABLE_CHECKING] (TREE_CHECK, TREE_CLASS_CHECK):
14239 If a recent gcc is in use (always in stage2 and beyond), use
14240 statement expressions, so we don't make a function call unless
14241 the check fails. Evaluate arguments exactly once.
14242 (CHAIN_CHECK, DO_CHECK, DO_CHECK1, TREE_CHECK1,
14243 TREE_CLASS_CHECK1, TYPE_CHECK1, DECL_CHECK1, CST_CHECK1):
14245 (CST_OR_CONSTRUCTOR_CHECK, EXPR_CHECK): Redefine such that
14246 they evaluate their arguments exactly once, irrespective of
14247 the compiler in use.
14249 * tree.c [ENABLE_CHECKING]: Define whichever set of functions
14250 is used by the currently-enabled check macros. This is:
14251 (tree_check_failed, tree_class_check_failed): For gcc.
14252 (tree_check, tree_class_check, cst_or_constructor_check,
14253 expr_check): For other compilers.
14255 * gencheck.c: Do not define any *_CHECK1 macros.
14257 Thu Aug 19 14:42:38 1999 Mike Stump <mrs@wrs.com>
14258 Mark Mitchell <mark@codesourcery.com>
14260 * c-common.c (c_get_alias_set): Fix support for poitners and
14263 Thu Aug 19 11:51:22 EDT 1999 John Wehle (john@feith.com)
14265 * alias.c: Include tree.h.
14266 (nonlocal_reference_p, mark_constant_function): New functions.
14267 * flow.c (life_analysis): Call mark_constant_function.
14268 * rtl.h (mark_constant_function): Declare it.
14270 Thu Aug 19 15:02:01 1999 Nick Clifton <nickc@cygnus.com>
14272 * config/rs6000/rs6000.c (rs6000_override_options): Fix test for
14273 unrecognisable switches.
14275 Wed Aug 18 23:31:57 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14277 * loop.c (recombine_givs): Set ix field after sorting.
14278 (recombine_givs): Remove bogus index / giv lockstep looping.
14280 Wed Aug 18 18:20:40 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14282 * expmed.c (emit_store_flag): If UNSIGNEDP, call unsigned_condition
14284 (emit_store_flag_force): Use do_compare_rtx_and_jump.
14285 (do_cmp_and_jump): Formatting fixes.
14286 * expr.c (do_compare_and_jump): Renamed from compare; changed to call
14287 do_compare_rtx_and_jump instead of compare_from_rtx.
14288 (do_compare_rtx_and_jump): New function; mostly copied from
14290 (do_jump_for_compare): Delete.
14291 (expand_expr): Use do_compare_rtx_and_jump when handling MAX_EXPR and
14293 (do_jump): Use do_compare_and_jump or do_compare_rtx_and_jump instead
14294 of compare/do_jump_for_compare pairs.
14295 (do_jump_by_parts_greater): Use do_jump_by_parts_greater_rtx.
14296 (do_jump_by_parts_greater_rtx): Use do_compare_rtx_and_jump instead of
14297 compare_from_rtx/do_jump_for_compare pairs.
14298 (do_jump_by_parts_equality): Likewise.
14299 (do_jump_by_parts_equality_rtx): Likewise.
14300 * expr.h (do_compare_rtx_and_jump): Declare.
14301 * optabs.c (prepare_cmp_insn): New function, contains most of the code
14302 that used to be in emit_cmp_insn.
14303 (cmp_available_p): New function.
14304 (prepare_operand): New function.
14305 (emit_cmp_and_jump_insn_1): New function, contains some code that used
14306 to be in emit_cmp_insn.
14307 (prepare_float_lib_cmp): Renamed from emit_float_lib_cmp; change some
14308 parameters to be pointers; don't emit final compare but modify some of
14309 the values pointed to by the args so the caller can perform the
14310 correct comparison.
14311 (expand_binop): Call emit_store_flag_force with signed forms of
14313 (expand_abs): Use do_compare_rtx_and_jump instead of compare_from_rtx/
14314 emit_jump_insn pair.
14315 (emit_cmp_and_jump_insn): Use prepare_cmp_insn and
14316 emit_cmp_and_jump_insn_1. Call emit_queue.
14317 (emit_cmp_insn): Just call emit_cmp_and_jump_insns with zero for LABEL
14319 * flow.c (tidy_fallthru_edge): If HAVE_cc0, verify insn before a
14320 jump sets cc0 before deleting it.
14321 * integrate.c (expand_inline_function): Likewise.
14322 * unroll.c (unroll_loop): Similar changes in several places.
14323 (copy_loop_body): If HAVE_cc0, verify insn before a jump sets cc0
14324 before deleting it.
14326 Wed Aug 18 06:37:44 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14328 * Makefile.in (insn-recog.o): Update dependencies.
14329 * genrecog.c (main): Make generated file include "function.h".
14331 Sat Aug 14 00:54:57 1999 Geoffrey Keating <geoffk@cygnus.com>
14333 * cse.c (cse_insn): Call never_reached_warning when a jump is
14334 changed to be unconditional.
14335 * flags.h: Declare warn_notreached.
14336 * flow.c (delete_block): Call never_reached_warning when
14337 a block is deleted.
14338 * jump.c (delete_barrier_successors): Call never_reached_warning
14339 when we delete everything after a BARRIER.
14340 (never_reached_warning): New function.
14341 * rtl.h: Declare never_reached_warning.
14342 * toplev.c (warn_notreached): New variable.
14343 (lang_independent_options): Set warn_notreached
14344 when -Wunreachable-code.
14345 (compile_file): We need line numbers for -Wunreachable-code.
14347 Tue Aug 17 22:06:11 1999 Jan Hubicka <hubicka@freesoft.cz>
14349 * haifa-sched.c (insn_unit): Fix typo on out of range test.
14350 * sched.c (insn_unit): Likewise.
14352 Tue Aug 17 21:57:23 1999 Andreas Schwab <schwab@suse.de>
14354 * combine.c (distribute_notes): Handle REG_EH_RETHROW.
14356 Tue Aug 17 17:39:43 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
14358 * flow.c (create_edge_list): Use xmalloc, not malloc.
14360 Tue Aug 17 01:40:54 1999 Loren Rittle <ljrittle@acm.org>
14362 * fixinc/inclhack.def (no_double_slash): Do not trash single-line
14363 C-style comments. Do not lose the character before double slash.
14365 Mon Aug 16 18:08:22 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
14367 * basic-block.h (struct edge_list): Stucture to maintain a vector
14369 (EDGE_INDEX_NO_EDGE, EDGE_INDEX, INDEX_EDGE_PRED_BB, INDEX_EDGE_SUCC_BB,
14370 INDEX_EDGE, NUM_EDGES): New Macros for accessing edge list.
14371 (create_edge_list, free_edge-List, print_edge_list, verify_edge_list):
14372 New function prototypes.
14373 * flow.c (create_edge_list): Function to create an edge list.
14374 (free_edge_list): Discards memory used by an edge list.
14375 (print_edge_list): Debug output showing an edge list.
14376 (verify_edge_list): Internal consistency check for an edge list.
14377 (find_edge_index): Function to find an edge index for a pred and succ.
14379 Mon Aug 16 11:56:36 1999 Mark Mitchell <mark@codesourcery.com>
14381 * tree.c (type_hash_add): Use permalloc to allocate nodes in the
14384 Mon Aug 16 17:04:15 1999 Jorn Rennecke <amylaar@cygnus.co.uk>
14386 * mips.h (CLASS_CANNOT_CHANGE_SIZE): Define.
14388 Fri Aug 13 15:20:43 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
14390 * config/i386/freebsd.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
14392 Fri Aug 13 10:21:28 1999 Nick Clifton <nickc@cygnus.com>
14394 * toplev.c (rest_of_compilation): Allow machine dependent
14395 reorganisation pass to place information into the RTL dump
14396 file if it so wishes.
14398 Sun Aug 15 12:41:21 1999 Jim Wilson <wilson@cygnus.com>
14400 * explow.c (hard_function_value): Use VOIDmode instead of
14402 * stmt.c (expand_return): Likewise.
14403 * stor-layout.c (get_best_mode): Likewise.
14405 * genemit.c (gen_expand): If next is MATCH_PAR_DUP, then output
14406 emit call instead of emit_insn call.
14408 Sat Aug 14 15:04:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
14410 * configure.in: Handle --disable/enable-win32-registry.
14411 * install.texi: Document --disable/enable-win32-registry.
14412 * acconfig.h (ENABLE_WIN32_REGISTRY): New macro.
14413 (WIN32_REGISTRY_KEY): New macro.
14414 * prefix.c: Use to enable/disable win32-specific code.
14415 (lookup_key): Use versioned key.
14416 * configure: Regenerate.
14417 * config.in: Likewise.
14419 Fri Aug 13 17:41:55 1999 Jason Merrill <jason@yorick.cygnus.com>
14421 * cpplib.c (read_line_number): New fn, split out of...
14424 Fri Aug 13 14:18:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
14426 tree.c (lang_unsave_expr_now) : New.
14427 (unsave_expr_now): Call lang_unsave_expr_now.
14428 tree.h (lang_unsave_expr_now) : New.
14430 Fri Aug 13 00:49:46 1999 Jason Merrill <jason@yorick.cygnus.com>
14432 * toplev.c (flag_new_exceptions): On by default.
14434 1999-08-13 Michael Meissner <meissner@cygnus.com>
14436 * Makefile.in (GCC_FOR_TARGET): Move -B./ after the tooldir -B.
14438 Fri Aug 13 01:29:57 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
14440 * dwarfout.c (fundamental_type_code): Return FT_boolean for
14441 INTEGER_TYPE with precision==1, it's __java_boolean.
14443 Thu Aug 12 23:51:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14445 * global.c (prune_preferences): Move some invariants out of the
14448 Thu Aug 12 15:30:29 1999 Jesse Perry (jap@unx.dec.com)
14450 * configure.in (alpha*-dec-osf*): Add osf5.
14452 Sun Aug 1 22:24:03 1999 Philip Blundell <philb@gnu.org>
14454 * configure.in: Rework handling of ARM GNU/Linux slightly.
14455 (arm*-*-linux-gnuoldld): New target.
14456 * configure: Regenerate.
14457 * install.texi (Configurations): Add arm-*-linux-gnu{oldld} and
14458 arm-*-elf. Mention that arm-*-linux-gnuaout is obsolete.
14459 * config/arm/linux-oldld.h: New file.
14460 * config/arm/linux-elf26.h: Don't include linux-elf.h.
14461 (TARGET_DEFAULT, SUBTARGET_LINK_SPEC, SUBTARGET_EXTRA_ASM_SPEC):
14463 * config/arm/linux-elf.h (ASM_SPEC): Define.
14464 (TARGET_DEFAULT, SUBTARGET_EXTRA_LINK_SPEC,
14465 SUBTARGET_EXTRA_ASM_SPEC, CPP_APCS_PC_DEFAULT): Add definitions
14466 for 26-bit APCS and old linker.
14467 (CPP_PREDEFINES): Define `__arm__'; don't define `arm' or
14469 (FP_DEFAULT): Define to FP_SOFT3 for all machines.
14470 * config/arm/linux-aout.h (CPP_PREDEFINES): Define `__arm__';
14471 don't define `arm' or `arm_elf'.
14472 * config/arm/t-linux (EXTRA_MULTILIB_PARTS, MULTILIB_OPTIONS,
14473 MULTILIB_DIRNAMES): Define. Fix typo in comment.
14475 Thu Aug 12 10:14:47 1999 Andreas Schwab <schwab@suse.de>
14477 * rtl.texi: Fix typo.
14479 Wed Aug 11 23:50:57 1999 Jason Merrill <jason@yorick.cygnus.com>
14481 * invoke.texi (C++ Dialect Options): Add -fms-extensions.
14483 Wed Aug 11 12:59:37 1999 Mark Mitchell <mark@codesourcery.com>
14485 * extend.texi (C++ Signatures): Remove node.
14486 * invoke.texi: Remove discussion of -fhandle-signatures,
14487 signature, sigof, __signature__, and __sigof__.
14489 Wed Aug 11 03:38:25 1999 Jeffrey A Law (law@cygnus.com)
14491 * Makefile.in (JAVAGC): Removed.
14493 Wed Aug 11 02:13:26 1999 Mumit Khan <khan@xraylith.wisc.edu>
14495 * i386/cygwin.h (ASM_OUTPUT_ALIGNED_BSS): Define.
14497 1999-08-11 Mark Elbrecht <snowball3@bigfoot.com>
14499 * i386/djgpp.h (ASM_OUTPUT_ALIGNED_BSS): Define.
14501 1999-08-11 Richard Earnshaw (rearnsha@arm.com)
14503 * emit-rtl.c (mark_reg_pointer): Don't increase the alignment of
14504 a register that is already known to be a pointer.
14506 1999-08-11 Bruce Korb <ddsinc09@ix.netcom.com>
14508 * fixinc/inclhack.tpl: Only install assert.h conditionally.
14509 * fixinc/inclhack.sh: Regenerated.
14510 * fixinc/fixincl.sh: Regenerated.
14512 Wed Aug 11 00:34:22 1999 Joe Buck <jbuck@synopsys.com>
14514 * invoke.texi: s/GNU CC/GCC/ for consistency with gcc.texi.
14515 Fix documentation of -ansi flag to describe its C++ behavior.
14516 Remove bogus reference to GCC 2.9.
14518 Tue Aug 10 17:19:02 1999 Jim Wilson <wilson@cygnus.com>
14520 * config/sh/sh.c (machine_dependent_reorg): Only call PUT_MODE on
14521 note if it is non-NULL.
14523 Tue Aug 10 10:47:42 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
14525 * except.h (eh_nesting_info): Add new structure defintion.
14526 (init_eh_nesting_info, free_eh_nesting_info): Add function prototypes.
14527 (reachable_handlers, update_rethrow_references): Add function
14529 * rtl.h (struct rtvec_def): Update comments. REG_EH_RETHROW takes
14530 a rethrow symbol instead of an integer exception region number.
14531 * flow.c (Make_edges): Use new exception nesting routines to determine
14532 which handlers are reachable from a CALL or asynchronous insn.
14533 Dont add an edge for calls with a REG_EH_REGION of -1 to non-local
14535 (delete_eh_regions): Update rethrow labels, and don't delete
14536 regions which are the target of a rethrow.
14537 * except.c (struct func_eh_entry): Add rethrow_ref field, now we can
14538 avoid overloading the SYMBOL_REF_USED flag.
14539 (rethrow_symbol_map): Use new rethrow_ref field.
14540 (rethrow_used): Use new rethrow_ref field.
14541 (expand_rethrow): REG_EH_RETHROW now has a SYMBOL_REF instead
14542 of an integer. Fix formatting.
14543 (output_exception_table_entry): Use new rethrow_ref field.
14544 (can_throw): Check for EH_REGION_NOTE before deciding
14545 whether a CALL can throw or not.
14546 (scan_region): Call rethrow_used() instead of accessing data structure.
14547 (update_rethrow_references): New function to make sure only regions
14548 which are still targets of a rethrow are flagged as such.
14549 (process_nestinfo): New static function to initialize a handler
14550 list for a specific region.
14551 (init_eh_nesting_info): New function to allocate and initialize
14552 the list of all EH handlers reachable from all regions.
14553 (reachable_handlers): New function to retrieve the list of handlers
14554 reachable from a specific region and insn.
14555 (free_eh_nesting_info): New function to dispose of a list of
14556 reachable handlers.
14558 Tue Aug 10 10:39:31 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
14560 * flow.c (split_edge): Set JUMP_LABEL field.
14561 (commit_one_edge_insertion): Set head correctly for insert_before.
14562 When inserting insns, update insn block numbers if allocated.
14564 Tue Aug 10 09:26:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14566 * dwarf2out.c (dwarf2out_frame_debug_expr, add_incomplete_type,
14567 retry_incomplete_types): Add static prototype.
14568 (stripattributes, dwarf_cfi_name, ASM_OUTPUT_DWARF_STRING,
14569 dwarf_tag_name, dwarf_attr_name, dwarf_form_name,
14570 dwarf_stack_op_name, dwarf_type_encoding_name, add_AT_string,
14571 dwarf2_name, add_name_attribute, lookup_filename, dwarf2out_line,
14572 dwarf2out_start_source_file, dwarf2out_define, dwarf2out_undef):
14575 * dwarf2out.h (dwarf2out_define, dwarf2out_undef,
14576 dwarf2out_start_source_file, dwarf2out_line): Likewise.
14578 Tue Aug 10 09:21:46 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14580 * output.h (assemble_name): Constify a char*.
14582 * varasm.c (UNIQUE_SECTION, assemble_start_function,
14583 assemble_variable, assemble_name): Likewise.
14585 * dwarf2out.c (ASM_NAME_TO_STRING): Likewise.
14587 * arm/pe.c (arm_pe_unique_section): Likewise.
14589 * i386/cygwin.h (STRIP_NAME_ENCODING): Likewise.
14591 * i386/i386-interix.h (STRIP_NAME_ENCODING): Likewise.
14593 * i386/interix.c (i386_pe_unique_section): Likewise.
14595 * i386/win32.h (STRIP_NAME_ENCODING): Likewise.
14597 * i386/winnt.c (i386_pe_unique_section): Likewise.
14599 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
14601 * mn10200/mn10200.h (ASM_OUTPUT_LABELREF): Likewise.
14603 * mn10300/mn10300.h (ASM_OUTPUT_LABELREF): Likewise.
14605 * pa/pa.c (output_call): Likewise.
14607 * pa/pa.h (ASM_OUTPUT_MI_THUNK): Likewise.
14609 * pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Likewise.
14611 * rs6000/rs6000.c (rs6000_output_load_toc_table, output_toc):
14614 * rs6000/rs6000.h (RS6000_OUTPUT_BASENAME, STRIP_NAME_ENCODING):
14617 * rs6000/sol2.h (ASM_OUTPUT_SOURCE_LINE): Likewise.
14619 * rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME, ASM_OUTPUT_INT,
14620 STRIP_NAME_ENCODING, ASM_OUTPUT_LABELREF): Likewise.
14622 * v850/v850.h (ASM_OUTPUT_LABELREF): Likewise.
14624 Mon Aug 9 19:54:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14626 * real.c (GET_REAL, PUT_REAL): Use memcpy instead of bcopy.
14628 Mon Aug 9 19:36:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14630 * tree.h (lang_identify): Constify a char*.
14631 (print_error_function): Add extern prototype. Constify a char*.
14633 * c-lang.c (lang_identify): Constify a char*.
14635 * objc/objc-act.c (lang_identify): Constify a char*.
14637 Mon Aug 9 16:21:53 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14639 * genpeep.c (main): Make generated file include "function.h".
14640 * arm.c (function_really_clobbers_lr): Delete INLINE_HEADER case.
14642 Mon Aug 9 10:08:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14644 * Makefile.in: Update dependencies.
14645 * alias.c: Include "function.h"
14646 * c-decl.c: Likewise.
14647 * caller-save.c: Likewise.
14648 * calls.c: Likewise.
14649 * combine.c: Likewise.
14651 * explow.c: Likewise.
14652 * final.c: Likewise.
14653 * global.c: Likewise.
14654 * graph.c: Likewise.
14655 * local-alloc.c: Likewise.
14656 * loop.c: Likewise.
14657 * optabs.c: Likewise.
14658 * profile.c: Likewise.
14659 * recog.c: Likewise.
14660 * regclass.c: Likewise.
14661 * regmove.c: Likewise.
14662 * reload.c: Likewise.
14663 * reorg.c: Likewise.
14664 * resource.c: Likewise.
14665 * sched.c: Likewise.
14666 * stupid.c: Likewise.
14667 * config/1750a/1750a.c: Likewise.
14668 * config/a29k/a29k.c: Likewise.
14669 * config/arc/arc.c: Likewise.
14670 * config/arm/arm.c: Likewise.
14671 * config/arm/thumb.c: Likewise.
14672 * config/c4x/c4x.c: Likewise.
14673 * config/clipper/clipper.c: Likewise.
14674 * config/convex/convex.c: Likewise.
14675 * config/fx80/fx80.c: Likewise.
14676 * config/i860/i860.c: Likewise.
14677 * config/m68k/m68k.c: Likewise.
14678 * config/m88k/m88k.c: Likewise.
14679 * config/mips/mips.c: Likewise.
14680 * config/pdp11/pdp11.c: Likewise.
14681 * config/pyr/pyr.c: Likewise.
14682 * config/romp/romp.c: Likewise.
14683 * config/sh/sh.c: Likewise.
14684 * config/tahoe/tahoe.c: Likewise.
14685 * config/vax/vax.c: Likewise.
14686 * config/we32k/we32k.c: Likewise.
14687 * config/sparc/sparc.c: Include "function.h".
14688 (mem_min_alignment): Test current_function rather than
14689 regno_pointer_align.
14690 * config/pa/pa.c: Likewise.
14691 (compute_frame_size): Delete declaration of
14692 current_function_outgoing_args_size.
14693 * config/arc/arc.h (current_function_varargs): Delete declaration.
14694 * config/elxsi/elxsi.h (current_function_calls_alloca): Delete
14696 * config/i370/i370.h (current_function_outgoing_args_size): Delete
14698 * config/i386/i386.h (FINALIZE_PIC): Delete declaration of
14699 current_function_uses_pic_offset_table.
14700 * config/m68k/a-ux.h (FUNCTION_EXTRA_EPILOGUE): Delete declaration
14701 of current_function_returns_pointer.
14702 * config/m68k/altos3068.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
14703 * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
14704 * config/m68k/m68kv4.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
14705 * config/m68k/mot3300.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
14706 * config/m68k/pbb.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
14707 * config/m68k/tower-as.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
14708 * config/m88k/m88k.c: Include "function.h"
14709 (call_used_regs, current_function_pretend_args_size,
14710 current_function_outgoing_args_size, frame_pointer_needed): Delete
14712 * config/m88k/m88k.h (current_function_pretend_args_size): Delete
14714 * config/mips/mips.h (current_function_calls_alloca): Delete
14716 * config/mn10200/mn10200.h (current_function_needs_context,
14717 rtx_equal_function_value_matters): Delete declarations.
14718 * config/ns32k/ns32k (current_function_uses_pic_offset_table,
14719 flag_pic): Delete declarations.
14720 * config/pa/pa.h (current_function_pretend_args_size,
14721 current_function_decl): Delete declarations.
14722 * config/pa/som.h (current_function_varargs): Delete declaration.
14723 * config/pdp11/pdp11.h (current_function_pretend_args_size): Delete
14725 * config/pyr/pyr.h (current_function_pretend_args_size,
14726 current_function_args_size, current_function_calls_alloca): Delete
14728 * config/sh/sh.h (current_function_varargs): Delete declaration.
14729 * config/sparc/sparc.h (current_function_outgoing_args_size,
14730 current_function_calls_alloca, current_function_decl): Delete
14732 * config/spur/spur.h (current_function_pretend_args_size,
14733 current_function_calls_alloca): Delete declarations.
14734 * config/v850/v850.c (current_function_outgoing_args_size): Delete
14736 * config/vax/vms.h (current_function_name): Delete declaration.
14737 * gcse.c: Include "function.h".
14738 (current_function_name, current_function_calls_setjmp): Delete
14740 * haifa-sched.c: Include "function.h".
14741 (forced_labels): Delete declaration.
14742 * jump.c: Likewise.
14743 * reg-stack.c: Likewise.
14744 * reload1.c: Likewise.
14745 * genemit.c (main): Make generated file include function.h.
14746 * genoutput.c (output_prologue): Likewise.
14748 * builtins.c (saveregs_value, apply_args_value): Delete variables.
14749 * emit-rtl.c (reg_rtx_no, first_label_num, first_insn, last_insn,
14750 sequence_rtl_expr, cur_insn_uid, last_linenum, last_filename,
14751 regno_pointer_flag, regno_pointer_flag_length, regno_pointer_align,
14752 regno_reg_rtx, sequence_stack): Delete variables. Add accessor
14753 macros for some of them.
14754 (emit_filename, emit_lineno): Delete declarations.
14755 (gen_reg_rtx): Use memset/memcpy instead of bzero/bcopy. Access
14756 regno_pointer_* variables through current_function.
14757 (gen_inline_header_rtx): Delete function.
14758 (save_emit_status): Delete function.
14759 (set_new_last_label_num): New function.
14760 (clear_emit_caches): New function.
14761 (restore_emit_status): Just clear last_labelnum and call
14763 (get_last_insn_anywhere): Variable sequence_stack is now accessed
14764 through macro seq_stack.
14765 (add_insn_after): Likewise.
14766 (add_insn_before): Likewise.
14767 (remove_insn): Likewise.
14768 (pop_topmost_sequence): Likewise.
14769 (in_sequence_p): Likewise.
14770 (start_sequence_for_rtl_expr): Likewise.
14771 (start_sequence): Likewise, and likewise for
14772 sequence_rtl_expr/seq_rtl_expr.
14773 (push_topmost_sequence): Likewise.
14774 (end_sequence): Likewise.
14775 (init_virtual_regs): Now takes a "struct emit_status *" argument.
14776 All callers changed. Store into that pointer instead of globals.
14777 (init_emit): Allocate emit elt of current_function.
14778 Changes for sequence_rtl_expr/sequence_stack renaming.
14779 Call clear_emit_caches instead of doing it in-line.
14780 Access regno_pointer_* variables through current_function.
14781 (init_emit_once) Don't clear sequence_stack.
14783 * expr.c (pending_stack_adjust, inhibit_defer_pop, pending_chain):
14785 (arg_pointer_save_area): Delete declaration.
14786 (finish_expr_for_function): Renamed from init_queue; no longer static.
14787 (init_expr): Don't call init_queue.
14788 (save_expr_status, restore_expr_status): Delete functions.
14789 (expand_expr): Changes to reflect new layout of struct function.
14790 Don't access current_function_check_memory_usage when current_function
14792 * expr.h (forced_labels, save_expr_regs, saveregs_value,
14793 apply_args_value, current_function_calls_alloca, inhibit_defer_pop,
14794 current_function_outgoing_args_size, current_function_arg_offset_rtx,
14795 current_function_uses_const_pool, function_call_count,
14796 current_function_uses_pic_offset_table, nonlocal_labels,
14797 current_function_internal_arg_pointer, nonlocal_goto_stack_level,
14798 current_function_check_memory_usage, nonlocal_goto_handler_slots,
14799 pending_stack_adjust, target_temp_slot_level, temp_slot_level): Delete
14801 (finish_expr_for_function): Declare.
14802 * flags.h (current_function_has_nonlocal_label,
14803 current_function_has_nonlocal_goto, current_function_is_thunk,
14804 current_function_has_computed_jump): Delete declarations.
14805 * flow.c (forced_labels): Delete declaration.
14806 * function.c (current_function_pops_args,
14807 current_function_returns_struct, current_function_returns_pcc_struct,
14808 current_function_needs_context, current_function_calls_setjmp,
14809 current_function_calls_longjmp, current_function_has_nonlocal_label,
14810 current_function_has_nonlocal_goto, current_function_is_thunk,
14811 current_function_has_computed_jump, current_function_calls_alloca,
14812 current_function_contains_functions, current_function_returns_pointer,
14813 current_function_epilogue_delay_list, current_function_args_size,
14814 current_function_pretend_args_size, current_function_arg_offset_rtx,
14815 current_function_outgoing_args_size, current_function_varargs,
14816 current_function_stdarg, current_function_args_info, cleanup_label,
14817 current_function_name, current_function_uses_const_pool,
14818 current_function_instrument_entry_exit, current_function_return_rtx,
14819 current_function_uses_pic_offset_table, nonlocal_labels,
14820 current_function_internal_arg_pointer, current_function_cannot_inline,
14821 current_function_check_memory_usage, function_call_count,
14822 nonlocal_goto_handler_slots, nonlocal_goto_handler_labels,
14823 nonlocal_goto_stack_level, return_label, save_expr_regs,
14824 stack_slot_list, rtl_expr_chain, tail_recursion_label, temp_slots,
14825 tail_recursion_reentry, arg_pointer_save_area, frame_offset,
14826 context_display, trampoline_list, parm_birth_insn, invalid_stack_slot,
14827 last_parm_insn, max_parm_reg, parm_reg_stack_loc, sequence_rtl_expr,
14828 temp_slot_level, var_temp_slot_level, target_temp_slot_level):
14830 (push_function_context_to): Don't save them. Don't call
14831 save_storage_status, save_emit_status or save_expr_status.
14832 (pop_function_context_from): Don't restore them. Don't call
14833 restore_storage_status or restore_expr_status.
14834 (get_func_frame_size): New function.
14835 (get_frame_size): Use it.
14836 (assign_outer_stack_local): Reflect some member name changes in struct
14838 (put_reg_into_stack): Likewise.
14839 (assign_stack_temp_for_type): sequence_rtl_expr was renamed to
14841 (fixup_var_refs): Likewise.
14842 (fix_lexical_addr): Likewise.
14843 (trampoline_address): Likewise.
14844 (prepare_function_start): Clear field inlinable of current_function.
14845 (init_function_for_compilation): New function.
14846 (expand_dummy_function_end): New function.
14847 (expand_function_end): Call finish_expr_for_function.
14848 * function.h (struct emit_status): New; fields moved here from struct
14849 function and from global variables. Add accessor macros for some of
14851 (struct expr_status): Likewise.
14852 (REGNO_POINTER_ALIGN, REGNO_POINTER_FLAG): Moved here from regs.h.
14853 (struct function): Add fields expr and emit, inlinable, inl_emit,
14854 original_arg_vector, original_decl_initial, inl_last_parm_insn,
14855 inl_max_label_num. Add many comments.
14856 Add accessor macros for all elts of struct function that no longer
14857 have a global variable.
14858 (cleanup_label, return_label, frame_offset, tail_recursion_label,
14859 tail_recursion_reentry, arg_pointer_save_area, rtl_expr_chain,
14860 stack_slot_list): Delete declarations.
14861 (get_func_frame_size): Declare.
14862 (save_expr_status, restore_expr_status, save_emit_status,
14863 save_storage_status, restore_storage_status): Delete declarations.
14864 (init_virtual_regs): Declare.
14865 * output.h (current_function_pops_args,
14866 current_function_returns_struct, current_function_returns_pcc_struct,
14867 current_function_needs_context, current_function_calls_setjmp,
14868 current_function_calls_longjmp, current_function_calls_alloca,
14869 current_function_has_nonlocal_label, current_function_varargs,
14870 current_function_has_computed_jump, current_function_returns_pointer,
14871 current_function_contains_functions, current_function_args_size,
14872 current_function_pretend_args_size, current_function_stdarg,
14873 current_function_outgoing_args_size, current_function_args_info,
14874 current_function_name, current_function_return_rtx,
14875 current_function_epilogue_delay_list,
14876 current_function_uses_const_pool, current_function_cannot_inline):
14877 Delete declarations.
14878 * regs.h (reg_rtx_no, regno_pointer_flag, regno_pointer_flag_length,
14879 regno_reg_rtx): Delete declaration.
14880 (REGNO_POINTER_FLAG): Delete macro.
14881 * stmt.c (expand_goto): Changes to reflect that some fields in struct
14882 function were renamed.
14883 * stor-layout.c (save_storage_status, restore_storage_status): Delete
14885 * toplev.c: Include "function.h".
14886 (current_function_decl): Delete declaration.
14887 (compile_file): Call init_dummy_function_start and
14888 expand_dummy_function_end around some initializations that need to
14890 (rest_of_compilation): Use DECL_SAVED_INSNS properly.
14891 Call init_function_for_compilation.
14892 * unroll.c: Include "function.h"
14893 (unroll_loop): Access regno_pointer_* variables through
14896 * tree.h (struct tree_decl): Add elt f to saved_insns member.
14897 (DECL_SAVED_INSNS): use it.
14898 (expand_dummy_function_end): Declare.
14899 (init_function_for_compilation): Declare.
14900 * calls.c (calls_function_1): Change use of DECL_SAVED_INSNS now
14901 that it's no longer an INLINE_HEADER.
14902 (expand_call): Likewise.
14903 * integrate.c (finish_inline): Delete function.
14904 (max_parm_reg, parm_reg_stack_loc): Delete declarations.
14905 (initialize_for_inline): Delete min_labelno, max_labelno and max_reg
14906 args. Don't generate an INLINE_HEADER rtx, just return the arg
14907 vector. All callers changed.
14908 (save_for_inline_copying): Create a duplicate struct emit_status to
14909 hold the emit state for compiling the current function. Use this and
14910 the other new fields in struct function that are for integration
14911 instead of an INLINE_HEADER.
14912 Use memcpy instead of bcopy.
14913 Store the current struct function in DECL_SAVED_INSNS of fndecl.
14914 (save_for_inline_nocopy): Similar changes, except no new emit_status
14916 (expand_inline_function): Get information from function structure,
14917 not from an inline header rtx.
14918 (output_inline_function): Lose code to extract the necessary
14919 information from an inline header; simply put back the function
14920 structure into current_function. Clear its inlinable elt.
14921 * rtl.def (INLINE_HEADER): Delete.
14922 * rtl.h: Delete all accessors for an INLINE_HEADER.
14923 (gen_inline_header_rtx): Delete declaration.
14924 (regno_reg_rtx, regno_pointer_align, nonlocal_goto_handler_labels):
14925 Delete declarations.
14926 (REGNO_POINTER_ALIGN): Delete.
14927 (clear_emit_caches): Declare.
14928 (set_new_last_label_num): Declare.
14930 Mon Aug 9 01:52:24 1999 Jason Merrill <jason@yorick.cygnus.com>
14932 * print-tree.c (print_node): Print base for OFFSET_TYPEs.
14934 * except.c (expand_eh_region_start_for_decl): Always start a new block.
14935 * stmt.c (is_eh_region): Make sure current_function is present, too.
14937 Mon Aug 9 01:15:24 1999 Jeffrey A Law (law@cygnus.com)
14939 * pa.h (HARD_REGNO_MODE_OK): Correctly handle FPregs, even when
14940 for 64bit PA targets.
14942 * pa.h (SELECT_SECTION): Define.
14943 * som.h (SELECT_SECTION): Delete.
14945 Sun Aug 8 15:13:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14947 * alias.c (init_alias_analysis): Wrap call to
14948 `prologue_epilogue_contains' within HAVE_prologue||HAVE_epilogue.
14950 1999-08-07 Bruce Korb <autogen@linuxbox.com>
14952 * fixinc/inclhack.def(irix_asm_apostrophe): IRIX 5.2's
14953 <sys/asm.h> contains an asm comment with an apostrophe
14954 * fixinc/inclhack.sh: regen
14955 * fixinc/fixincl.x: regen
14957 Sat Aug 7 19:37:07 1999 Richard Henderson <rth@cygnus.com>
14959 * function.c (init_function_start): Clear prologue & epilogue.
14960 (prologue_epilogue_contains): New function.
14961 * alias.c (init_alias_analysis): Use it.
14962 * rtl.h (prologue_epilogue_contains): Declare it.
14964 Sat Aug 7 19:32:16 1999 Richard Henderson <rth@cygnus.com>
14966 * jump.c (onlyjump_p): New function.
14967 * rtl.h: Declare it.
14968 * flow.c (delete_unreachable_blocks): Use onlyjump_p instead
14969 of condjump_p in calling tidy_fallthru_edge and merge_blocks.
14971 Sat Aug 7 17:09:36 1999 Richard Henderson <rth@cygnus.com>
14973 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_REG_SET
14974 to invert loops. Simplify block scanning.
14976 Sat Aug 7 02:11:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14978 * gcse.c (hash_scan_set): Treat SYMBOL_REFs like CONST_INTs.
14979 (cprop_insn): Treat SYMBOL_REFs like CONST_INTs.
14981 1999-08-07 Jonathan Larmour <jlarmour@cygnus.co.uk>
14983 * config/sparc/liteelf.h: New file to support sparclite-elf target
14984 * config/sparc/t-sp86x: New file to support sparc86x targets
14985 * config/sparc/sp86x-aout.h: New file to support sparc86x-aout target
14986 * config/sparc/sp86x-elf.h: New file to support sparc86x-elf target
14987 * configure.in: Support above target triplets
14988 * configure: Regenerated
14990 Sat Aug 7 01:39:27 1999 Philippe De Muyter <phdm@macqel.be>
14992 * fixinc/server.c (server_setup): Do not prefix function used as
14993 parameter with `&'.
14995 Sat Aug 7 00:21:20 1999 Richard Henderson <rth@cygnus.com>
14997 * alpha.md (movhi and movqi patterns): Correct predicate for !BWX.
14998 Remove fp reg alternatives.
15000 Sat Aug 7 00:06:54 1999 Jeffrey A Law (law@cygnus.com)
15002 * Makefile.in (TAROUTOPTS): Kill.
15003 (install-headers-tar): Use "xpf" for tar headerfile extraction
15004 * i370/x-oe (TAROUTOPTS): Delete.
15005 * m68k/x-apollo68 (TAROUTOPTS): Delete.
15006 * m68k/x-hp320 (TAROUTOPTS): Delete.
15007 * m68k/x-hp320g (TAROUTOPTS): Delete.
15008 * gcc.texi: Update bug reporting text.
15010 1999-08-6 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
15012 * reg-stack.c (change_stack) Fixed problem with negative array index.
15014 Fri Aug 6 23:08:44 1999 Jeffrey A Law (law@cygnus.com)
15016 * extend.texi, install.texi: Fix spelling mistakes.
15018 * Makefile.in (PREMADE_ATTRTAB_MD, PREMADE_ATTRTAB): Delete.
15019 (s-attrtab); No longer try to use pre-made insn-attrtab file.
15020 * mips/t-bsd: Delete references to obsolete PREMADE_ATTRTAB and
15021 PREMADE_ATTRTAB_MD.
15022 * mips/t-ecoff: Likewise.
15023 * mips/t-elf: Likewise.
15024 * mips/t-mips: Likewise.
15025 * mips/t-osfrose: Likewise.
15026 * mips/t-r3900: Likewise.
15027 * mips/t-svr3: Likewise.
15028 * mips/t-svr4: Likewise.
15029 * mips/t-ultrix: Likewise.
15031 * gcc.texi: Document recommend means to provide software floating
15032 point libraries in libgcc.a
15034 1999-08-06 Jason Merrill <jason@yorick.cygnus.com>
15036 * c-lex.c (yylex): We can have a number with no digits.
15038 Fri Aug 6 16:53:55 EDT 1999 John Wehle (john@feith.com)
15040 * jump.c (delete_prior_computation): New function, broken
15041 out of delete_computation. Check for side effects with
15042 side_effects_p instead of FIND_REG_INC_NOTE. Handle
15043 multi-word hard registers.
15044 (delete_computation): Use it. Check for side effects with
15045 side_effects_p instead of FIND_REG_INC_NOTE. Synthesize a
15046 missing REG_DEAD note for a register which is both set and
15049 Fri Aug 6 11:05:29 1999 Jeffrey A Law (law@cygnus.com)
15051 * elf.h (TEXT_SPACE_P, FUNCTION_NAME_P): Delete.
15052 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT): Likewise.
15053 (ASM_FILE_START): Import _mcount with the right type.
15054 (ASM_DECLARE_FUNCTION_NAME): Define.
15055 (ASM_OUTPUT_EXTERNAL, ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
15056 * pa.c (output_function_prologue): Always emit the function's label
15058 * pa.h (TEXT_SPACE_P): Define.
15059 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
15060 (ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT, ASM_GLOBALIZE_LABEL): Likewise.
15061 * som.h (TEXT_SPACE_P): Delete.
15062 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
15063 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT): Likewise.
15065 Thu Aug 5 19:29:39 1999 Jim Wilson <wilson@cygnus.com>
15067 * expr.c (emit_group_load): Allow src to be a CONCAT.
15069 Thu Aug 5 22:27:15 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15071 * config/sh/lib1funcs.asm (___movstrSI0): Change or r0,r0,r0 to nop.
15072 (___mulsi3): Use '!' comment character.
15074 Thu Aug 5 13:34:14 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15076 * reload1.c (maybe_fix_stack_asms): Also declare P as "const char *".
15078 Thu Aug 5 02:40:42 1999 Jeffrey A Law (law@cygnus.com)
15080 * gcc.c: Update URLs and mail addresses.
15081 * gcc.texi: Likewise.
15083 Thu Aug 5 01:14:13 1999 Daniel Jacobowitz <drow@false.org>
15085 * rs6000.c (current_file_function_operand): Return zero for
15087 (rs6000_encode_section_info): Do not set SYMBOL_REF_FLAG for
15089 * rs6000.h (ENCODE_SECTION_NIFO): Do not set SYMBOL_REF_FLAG
15092 Thu Aug 5 00:56:30 1999 Geoffrey Keating <geoffk@cygnus.com>
15094 * rs6000.c (rs6000_stack_info): For ABI_V4/ABI_SOLARIS -fpic, always
15095 allocate space in the stack frame for the PIC register.
15097 Thu Aug 5 00:20:47 1999 Jeffrey A Law (law@cygnus.com)
15099 * m68k.md (xordi3, anddi3): These patterns are not available on
15102 Wed Aug 4 23:39:20 1999 Mark Mitchell <mark@codesourcery.com>
15104 * real.c (GET_REAL): Don't violate ANSI/ISO aliasing rules.
15105 (PUT_REAL): Likewise.
15107 Wed Aug 4 20:45:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15109 * final.c (shorten_branches): Don't add an alignment for loops
15110 that have no label inside.
15112 Wed Aug 4 16:39:24 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15114 * builtins.c (expand_builtin_memcmp, expand_builtin_strcmp): Wrap
15115 prototypes in macro HAVE_cmpstrsi.
15117 * cpplib.c (cpp_get_token): Remove unused label `op3'.
15119 * emit-rtl.c (operand_subword): Remove unused variable
15122 * rtl.c (shallow_copy_rtx): Remove unused variable `format_ptr'.
15124 * tree.c (chainon): Wrap variable `t2' in macro ENABLE_CHECKING.
15126 Wed Aug 4 13:29:23 1999 Zack Weinberg <zack@bitmover.com>
15128 * cpphash.c (macroexpand): Delete leading whitespace when arg
15129 is concatenated before.
15130 (unsafe_chars): Correct test for whether + and - can extend a
15133 * cppinit.c (cpp_start_read): Do dependencies for
15134 -include/-imacros files also.
15136 * cpplib.c (cpp_scan_buffer): In no-output mode, don't bother
15137 tokenizing non-directive lines.
15138 (cpp_expand_to_buffer): Temporarily disable no-output mode.
15139 * cppmain.c: In no-output mode, just call cpp_scan_buffer for
15142 Wed Aug 4 12:53:44 1999 Jason Merrill <jason@yorick.cygnus.com>
15144 * expr.c (expand_expr, case PLUS_EXPR): Fix parallel case, too.
15146 * c-lex.c: Sync with C++ frontend.
15147 (linemode): New variable.
15148 (parse_float): imag, conversion_errno, and type are output only.
15149 (yylex): Adjust. Move initial '.' case into main switch.
15151 (handle_generic_pragma): Just deal with tokens.
15152 (readescape): Use ISXDIGIT and ISGRAPH.
15153 * c-parse.in: Add END_OF_LINE token.
15155 * c-lex.c (lang_init): Generalize.
15156 (nextchar): Remove. Replace uses with UNGETC.
15157 (skip_white_space): Handle linemode here. Optimize for cpplib.
15158 (skip_white_space_on_line): Remove.
15159 (extend_token_buffer_to): New fn.
15160 (extend_token_buffer): Use it.
15161 (read_line_number, check_newline): Just deal with tokens.
15162 (token_getch, token_put_back): New fns.
15163 (yylex): Use them. More cpplib optimizations. Simplify.
15165 Wed Aug 4 12:53:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
15166 Jason Merrill <jason@yorick.cygnus.com>
15168 * c-lex.c (init_parse): Set cpp_token to CPP_DIRECTIVE.
15169 (consume_string): Make this smart about USE_CPPLIB.
15170 (check_newline): Rewrite to be intelligent about USE_CPPLIB.
15171 (yylex): Rewrite to be intelligent about USE_CPPLIB.
15172 Also, clean up cases where we redundantly set token_buffer[0].
15173 (read_line_number): New fn.
15174 (ignore_escape_flag): New variable.
15176 Wed Aug 4 13:12:17 1999 Jeffrey A Law (law@cygnus.com)
15178 * a29k/t-a29kbare: Fix some comments.
15179 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
15180 (FPBIT, DPBIT): Define.
15181 * a29k/t-vx29k: Likewise.
15182 * arc/t-arc: Likewise.
15183 * arm/t-arm-elf: Likewise.
15184 * arm/t-bare: Likewise.
15185 * arm/t-pe: Likewise.
15186 * arm/t-pe-thumb: Likewise.
15187 * arm/t-semi: Likewise.
15188 * arm/t-thumb: Likewise.
15189 * arm/t-thumb-elf: Likewise.
15190 * arm/t-thumb-linux: Likewise.
15191 * h8300/t-h8300: Likewise.
15192 * i960/t-i960: Likewise.
15193 * i960/t-vxworks960: Likewise.
15194 * m32r/t-m32r: Likewise.
15195 * mips/t-ecoff: Likewise.
15196 * mips/t-elf: Likewise.
15197 * mips/t-r3900: Likewise.
15198 * pa/t-pro: Likewise.
15199 * rs6000/t-aix43: Likewise.
15200 * rs6000/t-beos: Likewise.
15201 * rs6000/t-newas: Likewise.
15202 * rs6000/t-ppccomm: Likewise.
15203 * rs6000/t-rs6000: Likewise.
15204 * rs6000/t-winnt: Likewise.
15205 * rs6000/t-xnewas: Likewise.
15206 * rs6000/t-xrs6000: Likewise.
15207 * sh/t-sh: Likewise.
15208 * sparc/t-elf: Likewise.
15209 * sparc/t-sparcbare: Likewise.
15210 * sparc/t-sparclite: Likewise.
15211 * sparc/t-splet: Likewise.
15212 * v850/t-v850: Likewise.
15213 * mn10200/t-mn10200: Fix comments.
15214 * mn10300/t-mn10300: Likewise.
15216 * pa.md (divsi3, udivsi3, modsi3, umodsi3 expanders): Clobber a new
15217 dummy operand. Allocate a new pseudo for the dummy operand.
15218 (divsi3, udivsi3, modis3, umodsi3 patterns): Corresponding changes.
15220 * pa.md (movqi, movhi patterns): Do not expose FP regs to regclass.
15222 Wed Aug 4 11:53:55 1999 Tom Tromey <tromey@cygnus.com>
15224 * configure: Rebuilt.
15225 * configure.in: Removed --enable-java-gc option and JAVAGC subst.
15227 Wed Aug 4 09:06:14 1999 Richard Earnshaw (rearnsha@arm.com)
15229 * recog.c (preproces_constraints): Zero recog_op_alt before
15230 processing the constraints.
15232 * arm.c (typedef minipool_node): Renamed from pool_node.
15233 (minipool_vector, minipool_size, minipool_vector_label): Similarly.
15234 (add_minipool_constant): New function.
15235 (dump_minipool): New function.
15236 (find_barrier): Remove special case for getting the insn size of
15237 an insn that references the constant pool.
15238 (minipool_fixup): New structure.
15239 (push_minipool_barrier): New function.
15240 (push_minipool_fix): New function.
15241 (note_invalid_constants): New function.
15242 (add_pool_constant, dump_table, fixit, broken_move): Delete.
15243 (arm_reorg): Rewrite code to fix up the constant pool into a
15244 series of mini-pools embedded in the insn stream.
15245 (arm_output_epilogue): New function, made mainly from the body
15246 of output_func_epilogue.
15247 (output_func_epilogue): Move insn generation part of epilogue code
15248 to arm_output_epilogue.
15249 * arm.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Delete.
15250 * arm.md (pool_range): New attribute.
15251 (zero_extendqidi2): Add attribute pool_range.
15252 (zero_extend_hisi_insn, load_extendqisi, extendhisi_insn,
15253 extendqihi_insn, extendqisi_insn, movdi, movsi_insn, pic_load_addr,
15254 pic_load_addr_based_insn, movhi_insn_arch4, movhi_insn_littleend,
15255 movhi_insn_bigend, loadhi_si_bigend, movsf_hard_insn, movsf_soft_insn,
15256 movdf_hard_insn, movdf_soft_insn, movxf_hard_insn): Likewise.
15257 (epilogue): New expand.
15258 (epilogue_insn): New insn. Call arm_output_epilogue.
15260 * arm.c (arm_poke_function_name): Undo change of July 17. Tidy up.
15261 * arm.h (TARGET_SWITCHES): Add missing doc string for TARGET_DEFAULT.
15263 Mon Aug 2 19:18:44 1999 Jason Merrill <jason@yorick.cygnus.com>
15265 * linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
15267 1999-08-04 Mark Elbrecht <snowball3@bigfoot.com>
15269 * config/i386/djgpp.h (BSS_SECTION_ASM_OP): Define.
15271 Wed Aug 4 02:15:32 1999 Richard Henderson <rth@cygnus.com>
15273 * jump.c (delete_insn): Delete the addr_vec when deleting a tablejump.
15275 Wed Aug 4 01:48:08 1999 Jim Kingdon <http://developer.redhat.com>
15277 * global.c: Fix comment.
15279 Wed Aug 4 01:43:01 1999 Ian Lance Taylor <ian@zembu.com>
15281 * gcc.c (access_check): New static function.
15282 (find_a_file): Use it when searching a directory list.
15283 * collect2.c (find_a_file): Don't accept directories found when
15284 searching a directory list.
15286 Wed Aug 4 01:40:43 1999 Philippe De Muyter <phdm@macqel.be>
15288 * tlink.c (symbol_hash_lookup): Do not prefix functions used as
15289 function parameters with `&'.
15290 (file_hash_lookup, demangled_hash_lookup, tlink_init): Ditto.
15292 Wed Aug 4 01:08:44 1999 Jeffrey A Law (law@cygnus.com)
15294 * flow.c (delete_unreachable_blocks): Do not call merge_blocks
15295 or tidy_fallthru_edge if the last insn in the block is not
15296 an unconditional jump or a simple conditional jump.
15298 Tue Aug 3 20:21:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15300 * Makefile.in (c-decl.o): Depends on defaults.h.
15302 Tue Aug 3 14:14:52 1999 Jeffrey A Law (law@cygnus.com)
15304 * pa.h (HARD_REGNO_NREGS): FP registers are always 4 bytes wide for
15306 (CLASS_MAX_NREGS): Likewise.
15308 Tue Aug 3 03:51:20 1999 Jeffrey A Law (law@cygnus.com)
15310 * cse.c (cse_insn): Fix dumb thinko in last change.
15312 Tue Aug 3 10:36:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15314 * reload1.c (maybe_fix_stack_asms): Declare CONSTRAINTS as
15317 Mon Aug 2 23:45:45 1999 Hans-Peter Nilsson <hp@bitrange.com>
15319 * dwarf2out.c (add_location_or_const_value_attribute): Correct
15320 test for sizes of passed and declared parameter types.
15322 Tue Aug 3 00:03:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15324 * fixincludes: Fix the return type of bsearch, char* -> void*.
15326 * fixinc/inclhack.def: Likewise.
15328 Mon Aug 2 18:29:32 1999 Mark Mitchell <mark@codesourcery.com>
15330 * invoke.texi (-fdump-translation-unit): New option.
15332 Mon Aug 2 17:54:19 1999 Richard Henderson <rth@cygnus.com>
15334 * expr.h (PROMOTE_PROTOTYPES): Move ...
15335 * defaults.h: ... to here.
15336 * c-decl.c: Include defaults.h instead of expr.h.
15337 * c-typeck.c: Include defaults.h.
15339 Mon Aug 2 17:10:24 1999 Mark Mitchell <mark@codesourcery.com>
15341 * toplev.h (errorcount): Declare.
15342 (warningcount): Likewise.
15343 (sorrycount): Likewise.
15344 * c-lex.c (errorcount): Don't declare.
15345 * dwarf2out.c (errorcount): Don't declare.
15347 Mon Aug 2 17:02:08 1999 Jason Merrill <jason@yorick.cygnus.com>
15349 * config/libgloss.h: Add a note discouraging use with ELF.
15350 * configure.in: Don't use libgloss.h for ELF targets.
15351 Always use_collect2 on a.out targets.
15353 Mon Aug 2 16:27:42 1999 Jim Wilson <wilson@cygnus.com>
15355 * combine.c (force_to_mode, case LSHIFTRT): Add goto shiftrt.
15356 (force_to_mode, case ASHIFTRT): Add shiftrt label.
15358 Tue Aug 3 00:45:02 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15360 * loop.c (strength_reduce): When doing biv->giv conversion, update
15361 reg note of NEXT->insn.
15363 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
15365 * real.c (PUT_REAL): Clear unused bytes if long double is IEEE quad.
15367 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
15369 * c-decl.c (get_parm_info, store_parm_decls): Change all uses of
15370 PROMOTE_PROTOTYPES, so that it tests it as a C expression.
15371 Ensure expr.h is included.
15372 * c-typecheck.c (convert_arguments): Ditto.
15374 * expr.h: Supply default for PROMOTE_PROTOTYPES (0).
15376 * config/arc/arc.h: Define PROMOTE_PROTOTYPES to 1.
15377 * config/convex/convex.h: Ditto.
15378 * config/dsp16xx/dsp16xx.h: Ditto.
15379 * config/fx80/fx80.h: Ditto.
15380 * config/gmicro/gmicro.h: Ditto.
15381 * config/i370/i370.h: Ditto.
15382 * config/i386/i386.h: Ditto.
15383 * config/m32r/m32r.h: Ditto.
15384 * config/m68k/m68k.h: Ditto.
15385 * config/m88k/m88k.h: Ditto.
15386 * config/mips/mips.h: Ditto.
15387 * config/pa/pa.h: Ditto.
15388 * config/pyr/pyr.h: Ditto.
15389 * config/tahoe/tahoe.h: Ditto.
15390 * config/we32k/we32k.h: Ditto.
15392 * config/sparc/sparc.h: Define PROMOTE_PROTOTYPES
15393 based on arch size.
15395 * config/i1750a/i1750a.h: Define PROMOTE_PROTOTYPES to 0.
15397 * config/i860/paragon.h: Remove PROMOTE_PROTOTYPES
15400 * tm.texi: Document new usage of PROMOTE_PROTOTYPES.
15402 1999-08-02 Richard Henderson <rth@cygnus.com>
15404 * m32r.c (m32r_setup_incoming_varargs): Use get_varargs_alias_set
15405 for the register spill block.
15406 (m32r_va_arg): New.
15407 * m32r.h (EXPAND_BUILTIN_VA_ARG): New.
15408 (EXPAND_BUILTIN_SAVEREGS): Delete #if 0 code.
15410 * m32r.h (INT8_P): Don't short-cut test with (unsigned).
15411 (INT16_P, CMP_INT16_P, UINT16_P): Likewise.
15412 (UPPER16_P, UINT24_P, INT32_P, UINT5_P): Likewise.
15414 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
15416 * config/sparc/linux.h: Define WCHAR_TYPE as "int" and undef
15417 MAX_WCHAR_TYPE defined in sparc.h.
15418 * config/sparc/linuxaout.h: Likewise.
15419 * config/sparc/linux64.h: Likewise.
15420 Also default to -mvis if CPU is UltraSPARC.
15422 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
15424 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): New macro.
15425 (RTX_OK_FOR_OLO10): Likewise.
15426 (GO_IF_LEGITIMATE_ADDRESS): If assembler supports offsetable
15427 %lo(), allow it in addresses...
15428 (PRINT_OPERAND_ADDRESS): ... and print it appropriately.
15429 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): sethi %lo()
15430 does not make sense.
15431 * config/sparc/sparc.c (sparc_hard_reg_printed): New array.
15432 (sparc_output_scratch_registers): New function.
15433 (output_function_prologue, sparc_flat_output_function_prologue): Use
15435 * varasm.c (make_decl_rtl): Use ASM_DECLARE_REGISTER_GLOBAL if
15437 * tm.texi (ASM_DECLARE_REGISTER_GLOBAL): Document it.
15438 * configure.in: Add check for .register pseudo-op support in as and
15439 check for offsetable %lo().
15440 * acconfig.h: Add templates for the above checks.
15441 * configure: Regenerate.
15443 1999-08-02 Richard Henderson <rth@cygnus.com>
15445 * sparc/linux64.h (TARGET_DEFAULT): Remove MASK_APP_REGS.
15446 * sparc/sol2-sld-64.h (TARGET_DEFAULT): Likewise.
15447 * sparc/sol2.h (TARGET_DEFAULT): Likewise.
15449 Mon Aug 2 23:46:45 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15451 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
15454 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
15456 * config/float-sparc.h: New file.
15457 * configure.in: Use float_format=sparc for sparc-*-linux-gnulibc1,
15458 sparc-*-linux-gnu and sparc64-*-linux*.
15460 1999-08-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
15462 * rs6000.c (rs6000_va_list): Type is an array.
15463 (rs6000_va_start): Don't doubly adjust for varargs.
15464 (rs6000_va_arg): Evaluate long long GPR adjustment.
15466 Mon Aug 2 16:15:57 1999 David Edelsohn <edelsohn@gnu.org>
15468 * rs6000/aix43.h (SUBTARGET_SWITCHES): Use -m64 and -m32 instead of
15469 -maix64 and -maix32.
15470 (ASM_SPEC, ASM_CPU_SPEC, CPP_SPEC, CPP_CPU_SPEC, LIB_SPEC,
15471 LINK_SPEC): Change appropriately.
15472 * rs6000/rs6000.c (short_cint_operand): Use CONST_OK_FOR_LETTER_P.
15473 (u_short_cint_operand): Likewise.
15474 * rs6000/rs6000.md (movdi splitters): Add TARGET_POWERPC64 support
15476 * rs6000/t-aix43 (MULTILIB): Change to -m64.
15478 * invoke.texi (RS/6000 Submodel): Document 64-bit processor options.
15480 Mon Aug 2 16:15:57 1999 Geoff Keating <geoffk@cygnus.com>
15482 * rs6000/rs6000.c (num_insns_constant_wide): Correct
15483 for type promotion.
15484 (add_operand): Get test correct for 64-bit HOST_WIDE_INT.
15485 (non_add_cint_operand): Likewise.
15486 (logical_operand): Likewise.
15487 (non_logical_cint_operand): Likewise.
15488 (print_operand): Correct printf()s for 64-bit HOST_WIDE_INT.
15489 (print_operand_address): Correct printf() for 64-bit HOST_WIDE_INT.
15490 (rs6000_select_rtx_section): Suppress warning.
15491 (small_data_operand): Suppress warning.
15492 (rs6000_got_register): Suppress warning.
15493 * rs6000/rs6000.md (andsi3): HOST_WIDE_INT is a signed
15494 type, so `J' is generally the wrong constraint for a SImode value;
15496 (andsi3_internal2): Likewise.
15497 (andsi3_internal3): Likewise.
15498 (iorsi3_internal1): Likewise.
15499 (xorsi3_internal1): Likewise.
15501 (movsf_softfloat): Likewise.
15502 (scc insns): Likewise.
15503 (movsi+2): Preserve sign bits of SImode constant.
15504 (floatsidf2_internal+1): Sign-extend SImode constant correctly.
15505 (movdf+1): Sign-extend properly.
15506 (movdi_32+1): Sign-extend properly.
15507 (scc insns): Sign-extend properly.
15509 * md.texi (RS/6000 EXTRA_CONSTRAINTS): Update documentation for J,
15512 1999-08-02 Richard Henderson <rth@cygnus.com>
15514 * alpha.c (override_options): Move ev6 alpha_tp frobbing out of
15515 -mcpu parsing code.
15516 (print_operand): Notice alpha_fptm not alpha_tp for sw completion.
15517 * alpha.md (all fp insns): Likewise.
15519 1999-08-02 Nick Clifton <nickc@cygnus.com>
15521 * config/v850/v850.h (STRICT_ALIGNMENT): Only define if not
15524 Mon Aug 2 03:38:33 1999 Jeffrey A Law (law@cygnus.com)
15526 * pa.c (legitimize_pic_address): Clarify comments. Do not call the
15527 pic_load_label generator directly.
15528 * pa.md (pic_load_label): Clarify comments. Remove modes on operands.
15529 No longer a named pattern.
15531 Mon Aug 2 09:38:10 1999 Nick Clifton <nickc@cygnus.com>
15533 * explow.c (force_reg): Call force_operand if X does not
15534 satisfy general_operand.
15536 Mon Aug 2 01:34:22 1999 Jeffrey A Law (law@cygnus.com)
15538 * fix-header.c (main): When testing for CONTINUED, use string
15539 equality, not pointer equality.
15541 Mon Aug 2 01:27:24 1999 Dan Nicolaescu <dann@ics.uci.edu>
15543 * sparc.c (sparc_block_profiler): Use the %g2 register, not %o0.
15545 Sun Aug 1 22:46:42 1999 Jeffrey A Law (law@cygnus.com)
15547 * cse.c (cse_insn): Fix loop which deletes insns after a jump
15548 that has become an unconditional jump.
15550 * m68k.c (output_function_prologue): Fix typo in CPU32 case.
15551 (output_function_epilogue): Similarly.
15553 Sun Aug 1 20:14:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15555 * tree.h (init_dummy_function_start): Declare.
15557 Sun Aug 1 12:55:31 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15559 * stmt.c (emit_filename, emit_lineno, expr_stmts_for_value,
15560 last_expr_type, last_expr_value, block_start_count, block_stack,
15561 stack_block_stack, cond_stack, loop_stack, case_stack, nesting_stack,
15562 nesting_depth, goto_fixup_chain): Delete global vars; now allocated
15563 dynamically in stmt elt of struct function for each function.
15564 (struct nesting): Rename function_call_count elt to n_function_calls,
15565 target_temp_slot_level to block_target_temp_slot_level. All users
15567 (struct stmt_status): New structure definition.
15568 Add many accessor macros for stmt_status elements which previously
15569 were global variables.
15570 (init_stmt_for_function): Allocate stmt elt for current_function.
15571 Reflect that block_start_count was renamed to
15572 current_block_start_count.
15573 (save_stmt_status, restore_stmt_status): Delete functions.
15574 (preserve_subexpressions_p): Don't access loop_stack when outside
15576 (expand_start_bindings): Reflect that block_start_count was renamed to
15577 current_block_start_count.
15578 (expand_fixup): Likewise.
15579 (expand_decl): Don't access block_stack when outside a function.
15580 (expand_decl_cleanup): Likewise.
15581 (expand_dcc_cleanup): Likewise.
15582 (expand_dhc_cleanup): Likewise.
15583 (expand_anon_union_decl): Likewise.
15584 (set_file_and_line_for_stmt): New function.
15585 (in_control_zone_p): New function.
15587 * function.h (struct function): Add new elt stmt.
15588 Delete elts block_stack, stack_block_stack, cond_stack, loop_stack,
15589 case_stack, nesting_stack, nesting_depth, block_start_count,
15590 last_expr_type, last_expr_value, expr_stmts_for_value, emit_filename,
15591 emit_lineno, goto_fixup_chain.
15592 (save_eh_status, restore_eh_status, save_stmt_status,
15593 restore_stmt_status): Delete declarations.
15594 * function.c (push_function_context_to): Don't call save_stmt_status.
15595 (pop_function_context_to): Don't call restore_stmt_status.
15596 * tree.h (in_control_zone_p): Declare.
15597 * rtl.h (set_file_and_line_for_stmt): Declare.
15599 * emit-rtl.c (emit_line_note): Don't set emit_filename/emit_lineno;
15600 call set_file_and_line_for_stmt.
15602 Thu Jul 31 12:34:45 1999 Joe Buck <jbuck@synopsys.com>
15604 * gcc.texi: Use terms "GNU Compiler Collection" and "GCC".
15605 Also update copyright.
15607 Sat Jul 31 11:10:07 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15609 * c-pragma.c: Don't include "except.h".
15610 * emit-rtl.c: Likewise.
15611 * stor-layout.c: Likewise.
15612 * tree.c: Likewise.
15613 * varasm.c: Likewise.
15615 * flow.c: Include "function.h".
15616 * tree.h (init_dummy_function_start): Declare new function.
15618 * except.h (struct eh_status): New structure.
15619 (struct label_node, struct eh_entry): Declare even if tree.h hasn't
15621 (eh_return_stub_label, ehstack, catchstack, ehqueue,
15622 catch_clauses, false_label_stack, caught_return_label_stack,
15623 protect_list, current_function_ehc): Add accessor macros for the
15624 corresponding fields in current_function->eh; delete declarations
15625 for all items that used to be declared here.
15626 * except.c (eh_return_stub_label, ehstack, catchstack, ehqueue,
15627 catch_clauses, false_label_stack, caught_return_label_stack,
15628 protect_list, current_function_ehc): Delete variables.
15629 (init_eh_for_function): Allocate current_function->eh.
15630 (save_eh_status, restore_eh_status): Delete functions.
15632 * function.h (struct function): Add fields next_global and eh.
15633 Delete all exception handling related fields.
15634 * function.c (current_function): New variable.
15635 (all_functions): New variable.
15636 (push_function_context_to): Don't allocate a struct function,
15637 use current_function instead. Call init_dummy_function_start when
15638 outside a function. Clear current_function before returning.
15639 (pop_function_context_from): Restore current_function.
15640 Don't free the restored struct function.
15641 (prepare_function_start): New function.
15642 (init_dummy_function_start): New function.
15643 (init_function_start): Break out some code into prepare_function_start
15646 * stmt.c (save_stmt_status): Don't call save_eh_status.
15647 (restore_stmt_status): Don't call restore_eh_status.
15649 * Makefile.in: Update dependencies.
15651 Sat Jul 31 04:10:01 1999 Jeffrey A Law (law@cygnus.com)
15653 * pa.c (compute_frame_size): Use STARTINg_FRAME_OFFSET instead
15654 of depending on a magic constant value. Update comments.
15655 (hppa_expand_prologue): Similarly.
15657 * pa.md (reload_indi, reload_outdi): Allow any register for the
15658 original reload register.
15660 Fri Jul 30 19:41:35 1999 Jim Wilson <wilson@cygnus.com>
15662 * cccp.c (print_help): Change marcos to macros.
15664 1999-07-30 Richard Henderson <rth@cygnus.com>
15666 * c-typeck.c (initializer_constant_valid_p): Move ...
15667 * c-common.c (initializer_constant_valid_p): ... here. Use
15668 FOO_TYPE_P instead of tests against TREE_CODE. Allow subtraction
15669 of label addresses.
15670 * c-common.h (initializer_constant_valid_p): Declare.
15671 * c-tree.h (initializer_constant_valid_p): Remove.
15673 Fri Jul 30 16:33:42 1999 Mathias Froehlich <frohlich@na.uni-tuebingen.de>
15675 * config/i386/sol2-c1.asm: Align the stack.
15676 * config/i386/sol2-gc1.asm: Likewise.
15678 1999-07-30 Vladimir Makarov <vmakarov@loony.cygnus.com>
15680 * config/sparc/sparc.h (ASM_CPU32_DEFAULT_SPEC): Change -Av8 onto
15681 -Asparclite for sparc86x.
15682 (CPP_CPU32_DEFAULT_SPEC, CPP_CPU_SPEC): Remove -D__sparc_v8__ for
15684 (ASM_CPU_SPEC): Use -Asparclite for sparc86x.
15686 Fri Jul 30 14:53:56 1999 Jakub Jelinek <jj@ultra.linux.cz>
15688 * config/sparc/linux64.h (CC1_SPEC): Preserve CPU specified by
15689 the user if using the non-default arch size in BI_ARCH configuration.
15690 * config/sparc/sol2-sld-64.h (CC1_SPEC): Ditto.
15692 * config/sparc/sparc.md (cmp_mul_set, cmp_udiv_cc_set):
15693 Fix patterns so that they actually match.
15694 (cmp_sdiv_cc_set): Ditto, also don't require g0 to be zero.
15695 (mulsidi3_sp64, const_mulsidi3_sp64): New patterns.
15696 (const_mulsidi3_sp32): Renamed from const_mulsidi3, only on
15698 (mulsidi3): Reflect this in the expand.
15699 (smulsi3_highpart): Only on TARGET_ARCH32.
15700 (umulsidi3_sp64, const_umulsidi3_sp64): New patterns.
15701 (const_umulsidi3_sp32): Renamed from const_umulsidi3.
15702 (umulsidi3): Reflect this in the expand.
15703 (umulsi3_highpart): Only on TARGET_ARCH32.
15704 (divsi3_sp32): Renamed from divsi3, only on TARGET_ARCH32,
15705 don't require g0 to be zero.
15706 (udivsi3_sp32): Renamed from udivsi3, only on TARGET_ARCH32.
15707 ({,u}divsi3): New expands.
15708 ({,u}divsi3_sp64): New patterns.
15709 (after lshrdi3_v8plus): Four new patterns to help combiner
15710 optimizing nested mixed mode shifts.
15712 * config/sparc/sparc.c (sparc_override_options): Use deprecated
15713 v8 instructions if optimizing for UltraSPARC I, II, IIi, as it
15714 speed things up. Don't use them by default on plain v9 in 64bit
15715 mode, according to what SPAMv9 sais.
15717 * config/sparc/sparc.h: Fix comments, e.g. Linux already preserves
15718 top 32 bits of %[og][0-7] in signal handlers.
15719 Also, TARGET_HARD_MUL32 now is only true for TARGET_ARCH32.
15721 Fri Jul 30 03:00:41 1999 Jeffrey A Law (law@cygnus.com)
15723 * pa.md (zvdep_imm32): Renamed from zvdep_imm.
15724 (ashlsi3): Corresponding changes.
15726 * pa.c (compute_zdepwi_operands): Renamed from compute_zdepi_operands.
15728 Thu Jul 29 18:37:13 1999 Jeffrey A Law (law@cygnus.com)
15730 * pa.h (FIRST_PARM_CALLER_OFFSET): Delete.
15732 Thu Jul 29 19:01:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15734 * arm.h (Hint): Delete macro.
15735 Substitute HOST_WIDE_INT for Hint in some prototypes.
15736 * arm.c: Substitute HOST_WIDE_INT for Hint in one prototype.
15738 Thu Jul 29 09:21:42 1999 Nick Clifton <nickc@cygnus.com>
15740 * builtins.c (expand_builtin_setjmp): Use force_operand to
15741 make sure that the buffer address is in a suitable form to be
15742 passed to force_reg.
15744 Wed Jul 28 12:50:48 1999 Geoff Keating <geoffk@cygnus.com>
15746 * config/mips/mips.c: system.h handles MIN and MAX, don't undefine
15749 Wed Jul 28 13:18:35 1999 Jeffrey A Law (law@cygnus.com)
15751 * pa.md (indirect_jump): Remove mode from match_operand. Verify
15752 proper mode in the condition string.
15753 (icacheflush, dcacheflush): Remove modes from match_operands.
15755 * pa.c (emit_move_sequence): Always convert scratch_reg to the
15756 proper mode before using it.
15758 * pa.md (adddi3, subdi3): Turn into a define_expand/define_insn
15761 * pa.c (store_reg): Do not call add_high_const generator directly.
15762 (load_reg, set_reg_plus_d): Likewise.
15763 * pa.md (add_high_const): No longer a named pattern.
15765 * pa.c (legitimize_address): Consistently use Pmode rather than
15766 SImode. Do not call gen_pic2_highpart directly anymore.
15767 * pa.md (pic2_highpart): No longer a named pattern.
15768 (pic2_lo_sum): Similarly. Reformat to make more readable.
15770 * pa.md (call, call_value): Use "word_mode" instead of "SImode" as
15775 Wed Jul 28 11:28:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
15777 * builtins.c (expand_builtin): Typo in call to expand_builtin_ffs.
15779 Wed Jul 28 11:23:48 1999 Richard Henderson <rth@cygnus.com>
15781 * pa.c (hppa_builtin_saveregs): Use get_varargs_alias_set
15782 and tag the spill mems.
15783 (hppa_va_start): New.
15784 (hppa_va_arg): New.
15785 * pa.h (EXPAND_BUILTIN_VA_START): New.
15786 (EXPAND_BUILTIN_VA_ARG): New.
15788 Wed Jul 28 11:22:21 1999 Richard Henderson <rth@cygnus.com>
15790 * mn10300.c (mn10300_builtin_saveregs): Use get_varargs_alias_set
15791 and tag the spill mems.
15792 (mn10300_va_start): New.
15793 (mn10300_va_arg): New.
15794 * mn10300.h (EXPAND_BUILTIN_VA_START): New.
15795 (EXPAND_BUILTIN_VA_ARG): New.
15797 Wed Jul 28 11:20:19 1999 Richard Henderson <rth@cygnus.com>
15799 * mn10200.c (mn10200_va_arg): New.
15800 * mn10200.h (EXPAND_BUILTIN_VA_ARG): New.
15802 Wed Jul 28 11:19:06 1999 Richard Henderson <rth@cygnus.com>
15804 * builtins.c (std_expand_builtin_va_arg): Use int_size_in_bytes
15805 rather than play with TREE_INT_CST_LOW.
15807 1999-07-27 Philip Blundell <pb@nexus.co.uk>
15809 * config/arm/telf.h: Include dbxelf.h.
15810 (CPP_PREDEFINES): Only define if not already defined.
15811 (ASM_IDENTIFY_GCC): Likewise.
15812 (SUBTARGET_EXTRA_SECTIONS): Likewise.
15813 (SUBTARGET_EXTRA_SECTION_FUNCTIONS): Likewise.
15814 * config/arm/thumb.h (LINK_SPEC): Only define if not already
15816 (DBX_DEBUGGING_INFO): Don't define.
15817 * config/arm/linux-telf.h: New file.
15818 * config/arm/linux-tgas.h: New file.
15819 * config/arm/t-thumb-linux: New file.
15820 * config/arm/uclinux-elf.h: New file.
15821 * config/arm/uclinux-telf.h: New file.
15822 * configure.in (arm-*-uclinux, thumb-*-linux-gnu,
15823 thumb-*-uclinux): New targets.
15824 * configure: Regenerate.
15826 Tue Jul 27 23:20:21 1999 Jeffrey A Law (law@cygnus.com)
15828 * pa.md (post_store, pre_load): New expanders.
15829 (post_stwm, pre_ldwm): Renamed to post_stw and pre_ldw respectively.
15830 (post_ldwm, pre_stwm): Make these unnamed patterns since we never
15831 need to directly generate RTL for them.
15832 * pa.c (hppa_expand_prologue, hppa_expand_epilogue): Corresponding
15835 Tue Jul 27 16:05:52 1999 David Edelsohn <edelsohn@gnu.org>
15837 * aix43.h (ASM_CPU_SPEC, CPP_CPU_SPEC): Add rs64a and PPC630.
15838 * rs6000.c (processor_target_table): Add powerpc64, rs64a, and PPC630.
15839 (rs6000_cpu): Choose between 32-bit and 64-bit default processors.
15840 (secndary_reload_class): Make TARGET_ELF conditional compile.
15841 (print_operand_address): Similar.
15842 (output_toc): Print all values as hex.
15843 (get_issue_rate): Rearrange and add RS64A and PPC630.
15844 * rs6000.h (processor_type): Add RS64A and PPC630.
15845 (PROCESSOR_POWERPC64): New.
15846 (PROMOTE_MODE): Use word_mode.
15847 (RTX_COSTS): Add RS64A and PPC630.
15848 * rs6000.md (scheduling information): Add lmul and ldiv
15849 representing 64-bit integer multiply and divide. Add rs64a and
15850 PPC630 information.
15851 (ashldi3): Add support for "rldic" instruction.
15852 * sysv4.h (PROCESSOR_DEFAULT): Change to PROCESSOR_750.
15854 Tue Jul 27 15:31:53 1999 Vladimir Makarov <vmakarov@toad.to.cygnus.com>
15856 * config/sparc/sparc.c (sparc_override_options): Enable SPARCLITE
15857 instead of V8 for sparclite86x in cpu_table.
15859 Tue Jul 27 17:49:42 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15861 * config/arm/coff.h (ASM_FILE_START): If generating SDB output, call
15862 output_file_directive.
15864 Tue Jul 27 03:15:33 1999 Jason Merrill <jason@yorick.cygnus.com>
15866 * expr.c (expand_expr, case PLUS_EXPR): Get the mode from the
15867 tree for op1, not the rtl.
15869 Tue Jul 27 00:18:34 1999 Richard Henderson <rth@cygnus.com>
15871 * m88k.c (m88k_builtin_saveregs): Break out the constructor code
15872 to m88k_va_start, leaving only the register spill.
15873 (m88k_build_va_list): New.
15874 (m88k_va_start): New.
15875 (m88k_va_arg): New.
15876 * m88k.h (BUILD_VA_LIST_TYPE): New.
15877 (EXPAND_BUILTIN_VA_START): New.
15878 (EXPAND_BUILTIN_VA_ARG): New.
15880 Mon Jul 26 19:07:11 1999 Geoff Keating <geoffk@cygnus.com>
15882 * config/rs6000/rs6000.c (rs6000_expand_builtin_saveregs):
15883 Rename from expand_builtin_saveregs.
15884 * config/rs6000/rs6000.h (EXPAND_BUILTIN_SAVEREGS): Change caller.
15886 Mon Jul 26 22:52:47 1999 Richard Henderson <rth@cygnus.com>
15888 * i960.c (i960_setup_incoming_varargs): Use get_varargs_alias_set
15889 for the register spill block.
15890 (i960_build_va_list): New.
15891 (i960_va_start): New.
15892 (i960_va_arg): New.
15893 * i960.h (BUILD_VA_LIST_TYPE): New.
15894 (EXPAND_BUILTIN_VA_START): New.
15895 (EXPAND_BUILTIN_VA_ARG): New.
15896 * i960.md (store_multiple): Use change_address on individul mems.
15898 Mon Jul 26 22:43:12 1999 Richard Henderson <rth@cygnus.com>
15900 * builtins.c (stabilize_va_list): Don't INDIRECT_REF through
15902 (std_expand_builtin_va_start): Back out one word if !stdarg_p.
15903 (expand_builtin_va_end): Evaluate arg for side effects.
15904 * c-common.c (c_common_nodes_and_builtins): Construct a
15905 va_list_arg_type_node to handle array decomposition to pointer.
15907 Mon Jul 26 18:51:34 1999 Richard Henderson <rth@cygnus.com>
15909 * except.c (start_dynamic_cleanup): Use force_operand on the
15912 Mon Jul 26 16:43:26 1999 Richard Henderson <rth@cygnus.com>
15914 * c4x.h (EXPAND_BUILTIN_VA_ARG): New.
15915 * c4x.c (c4x_va_arg): New.
15917 Mon Jul 26 12:30:09 1999 Jason Merrill <jason@yorick.cygnus.com>
15919 * cpplib.c (cpp_get_token): Don't return a CPP_POP if the buffer
15920 has manual_pop set.
15922 1999-07-26 Nathan Sidwell <nathan@acm.org>
15924 * eh-common.h (__eh_matcher): Prototype correctly.
15926 Mon Jul 26 17:24:51 1999 Philip Blundell <pb@nexus.co.uk>
15928 * config/arm/thumb.h (THUMB_FLAG_SINGLE_PIC_BASE): Define.
15929 (TARGET_SINGLE_PIC_BASE): Likewise.
15930 (GOT_PCREL, NEED_GOT_RELOC, NEED_PLT_RELOC): Provide default
15932 (TARGET_CALLEE_INTERWORKING): Fix typo in comment.
15933 (TARGET_SWITCHES): Add -m{no-}single-pic-base.
15934 (TARGET_OPTIONS): Add -mpic-register=N.
15935 (OUTPUT_INT_ADDR_CONST): New macro.
15936 (INDEX_REGISTER_RTX_P, PIC_OFFSET_TABLE_REGNUM, FINALIZE_PIC,
15937 LEGITIMATE_PIC_OPERAND_P): Likewise.
15938 (LEGITIMIZE_ADDRESS, GOT_IF_LEGITIMATE_ADDRESS): Support PIC.
15939 (ASM_OUTPUT_INT): Use OUTPUT_INT_ADDR_CONST rather than calling
15940 output_addr_const directly.
15941 (PRINT_OPERAND_PUNCT_VALID_P): Accept `|' for compatibility with
15943 (thumb_pic_register, thumb_pic_register_string): Declare.
15945 * config/arm/thumb.c (symbol_mentioned_p): New function: Imported
15947 (label_mentioned_p): New function: Imported from arm.c.
15948 (legitimize_pic_address): New function: Imported from arm.c.
15949 (is_pic):New function: Imported from arm.c.
15950 (thumb_finalize_pic):New function: Imported from arm.c.
15951 (add_constant): Cope with PIC constants.
15952 (fixit): Cope with PIC constants.
15953 (output_return): Do not treat the PIC register as live if
15954 TARGET_SINGLE_PIC_BASE is true.
15955 (thumb_function_prologue): Do not treat the PIC register as live if
15956 TARGET_SINGLE_PIC_BASE is true.
15957 (thumb_expand_prologue): Do not treat the PIC register as live if
15958 TARGET_SINGLE_PIC_BASE is true.
15959 (thumb_unexpand_epilogue): Do not treat the PIC register as live if
15960 TARGET_SINGLE_PIC_BASE is true.
15961 (thumb_print_operand): Accept '|'.
15962 (thumb_override_options): Process PIC options.
15964 * config/arm/thumb.md (movsi): Support PIC.
15965 (call_insn): Change "i" constraint to "X".
15966 (call_value_insn): Likewise.
15967 (consttable_4, consttable_8, consttable_end): Set and clear
15968 "making_const_table" as appropriate.
15969 (pic_load_addr, pic_add_dot_plus_four): New insns.
15971 * invoke.texi (Thumb Options): Fix spelling. Document new
15972 options -msingle-pic-base and -mpic-register=.
15974 1999-07-26 Andrew Haley <aph@cygnus.com>
15976 * config/m32r/initfini.c (__init): Use a full word immediate for
15977 __fini: this allows it to be placed in any memory region.
15979 * config/m32r/t-m32r: Compile crtinit.o and crtfini.o for
15980 -mmodel=medium. This is OK for all memory models.
15982 Mon Jul 26 11:58:46 1999 Nick Clifton <nickc@cygnus.com>
15984 * config/arm/arm.c: Replace %R%s in asm_fprintf strings with %r.
15985 * config/arm/arm.h: Replace %R%s in asm_fprintf strings with %r.
15987 Mon Jul 26 10:23:36 1999 Nick Clifton <nickc@cygnus.com>
15989 * final.c (asm_fprintf): Accept ASM_FPRINTF_EXTENSIONS, if
15992 * tm.texi: Document ASM_FPRINTF_EXTENSIONS.
15994 Sun Jul 25 23:51:59 1999 Richard Henderson <rth@cygnus.com>
15996 * i860.h (EXPAND_BUILTIN_SAVEREGS): New.
15997 (BUILD_VA_LIST_TYPE): New.
15998 (EXPAND_BUILTIN_VA_START): New.
15999 (EXPAND_BUILTIN_VA_ARG): New.
16000 * i860.c (output_delayed_branch): Disable.
16001 (output_delay_insn): Likewise.
16002 (i860_saveregs): New.
16003 (i860_build_va_list): New.
16004 (i860_va_start): New.
16005 (i860_va_arg): New.
16006 * i860.md: Disable all peepholes using output_delayed_branch.
16007 * i860/sysv4.h (I860_SVR4_VA_LIST): New.
16009 Sun Jul 25 23:44:13 1999 Richard Henderson <rth@cygnus.com>
16011 * clipper.h (EXPAND_BUILTIN_SAVEREGS): Remove argument.
16012 (BUILD_VA_LIST_TYPE): New.
16013 (EXPAND_BUILTIN_VA_START): New.
16014 (EXPAND_BUILTIN_VA_ARG): New.
16015 * clipper.c (clipper_builtin_saveregs): Only dump registers.
16016 Return the address of the save area.
16017 (clipper_build_va_list): New.
16018 (clipper_va_start): New.
16019 (clipper_va_arg): New.
16021 Sun Jul 25 22:56:47 1999 Richard Henderson <rth@cygnus.com>
16023 * arc.h (EXPAND_BUILTIN_VA_START): New.
16024 (EXPAND_BUILTIN_VA_ARG): New.
16025 * arc.c (arc_setup_incoming_varargs): Set alias set of
16027 (arc_va_start): New.
16030 Sun Jul 25 22:45:55 1999 Richard Henderson <rth@cygnus.com>
16032 * alpha.h (EXPAND_BUILTIN_SAVEREGS): Delete.
16033 (BUILD_VA_LIST_TYPE): New.
16034 (EXPAND_BUILTIN_VA_START): New.
16035 (EXPAND_BUILTIN_VA_ARG): New.
16036 * alpha.c (alpha_builtin_saveregs): Delete.
16037 (alpha_build_va_list): New.
16038 (alpha_va_start): New.
16039 (alpha_va_arg): New.
16041 Sun Jul 25 21:40:33 1999 Jeffrey A Law (law@cygnus.com)
16043 * config/svr4.h (CTORS_SECTION_ASM_OP): Do not emit directives in
16045 (DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP): Likewise.
16046 (FINI_SECTION_ASM_OP, ASM_OUTPUT_SECTION_NAME): Likewise.
16048 * gcc.texi: More changes related to list conversion.
16049 * invoke.texi: Likewise.
16051 Sun Jul 25 18:15:39 1999 Richard Henderson <rth@cygnus.com>
16053 * builtins.c (expand_builtin_saveregs): Remove static, remove exp
16054 and ignore arguments, bail if no EXPAND_BUILTIN_SAVEREGS.
16055 (expand_builtin_next_arg): Accept ARGLIST not EXP.
16056 (stabilize_va_list): New function.
16057 (std_expand_builtin_va_start): New function.
16058 (expand_builtin_va_start): New function.
16059 (get_varargs_alias_set): New function.
16060 (std_expand_builtin_va_arg): New function.
16061 (expand_builtin_va_arg): New function.
16062 (expand_builtin_va_end): New function.
16063 (expand_builtin_va_copy): New function.
16064 (expand_builtin): Call them.
16065 * c-common.c (c_common_nodes_and_builtins): Build __builtin_va_list,
16066 __builtin_{varargs_start,stdarg_start,end,copy}.
16067 (build_va_arg): New function.
16068 * c-common.h (CTI_PTR_TYPE, ptr_type_node): Delete.
16069 (build_va_arg): Declare.
16070 * c-decl.c (ptr_type_node, va_list_type_node): New.
16071 * c-parse.gperf (__builtin_va_arg): New.
16072 * c-parse.in (VA_ARG): New token.
16073 (unary_expr): Recognize it.
16074 * expr.c (expand_expr): Expand VA_ARG_EXPR.
16075 * expr.h (std_expand_builtin_va_start): Declare.
16076 (std_expand_builtin_va_arg): Declare.
16077 (expand_builtin_va_arg): Declare.
16078 (get_varargs_alias_set): Declare.
16079 * tree.def (VA_ARG_EXPR): New.
16080 * tree.h (BUILT_IN_VARARGS_START): New.
16081 (BUILT_IN_STDARG_START, BUILT_IN_VA_END): New.
16082 (ptr_type_node, va_list_type_node): Declare.
16083 * tm.texi (EXPAND_BUILTIN_SAVEREGS): Kill unused ARGLIST argument.
16084 * m32r.h (EXPAND_BUILTIN_SAVEREGS): Likewise.
16085 * m88k.h, m88k.c: Likewise.
16086 * mn10300.h, mn10300.c: Likewise.
16087 * pa.h, pa.c: Likewise.
16088 * rs6000.h, rs6000.c: Likewise.
16089 * sh.h, sh.c: Likewise.
16090 * sparc.h, sparc.c: Likewise.
16092 * emit-rtl.c (operand_subword): Copy alias set.
16093 (change_address): Likewise.
16095 Sun Jul 25 15:04:37 1999 Jeffrey A Law (law@cygnus.com)
16097 * pa.c (compute_frame_size): Scan all the used callee saved registers,
16098 not just the first one.
16100 Fri Jul 23 14:09:58 1999 Philip Blundell <pb@nexus.co.uk>
16102 * config/arm/arm.h (TARGET_SWITCHES): Add
16103 -m{no-}single-pic-base. Correct help string for -mshort-load-words.
16104 (TARGET_OPTIONS): Add -mpic-register=.
16105 (ARM_FLAG_SINGLE_PIC_BASE, TARGET_SINGLE_PIC_BASE): Define.
16106 (arm_pic_register_string): Declare.
16107 (NEED_PLT_GOT): Delete, replace with ...
16108 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. New macros.
16109 (OUTPUT_INT_ADDR_CONST): Replace NEED_PLT_GOT with NEED_GOT_RELOC.
16110 (ASM_OUTPUT_MI_THUNK): Replace NEED_PLT_GOT with NEED_PLT_RELOC.
16111 * config/arm/arm.c (arm_override_options): Add new option
16113 (arm_pic_register_string): New variable.
16114 (arm_finalize_pic): Respect TARGET_SINGLE_PIC_BASE.
16115 (output_func_prologue): If TARGET_SINGLE_PIC_BASE, treat the PIC
16116 register as never live. Use NEED_PLT_RELOC not NEED_PLT_GOT.
16117 (output_return_instruction): Likewise.
16118 * config/arm/elf.h (NEED_PLT_GOT): Delete, replace with ...
16119 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. Define to flag_pic.
16120 * config/arm/arm.md: Use NEED_PLT_RELOC in place of NEED_PLT_GOT.
16122 * invoke.texi (ARM Options): Fix spelling. Remove duplicate
16123 mention of -msched-prolog. Document new options -msingle-pic-base
16124 and -mpic-register=.
16126 Thu Jul 22 18:23:56 1999 Richard Henderson <rth@cygnus.com>
16128 * haifa-sched.c (reemit_notes): Tidy.
16129 * sched.c (reemit_notes): Duplicate 1998-08-31 patch to
16132 Thu Jul 22 18:21:04 1999 Richard Henderson <rth@cygnus.com>
16134 * explow.c (trunc_int_for_mode): New function.
16135 (plus_constant_wide): Use it.
16136 * combine.c (simplify_and_const_int): Likewise.
16137 (merge_outer_ops): Likewise.
16138 (simplify_shift_const): Likewise.
16139 * cse.c (simplify_unary_operation): Likewise.
16140 (simplify_binary_operation): Likewise.
16141 * emit-rtl.c (operand_subword): Likewise.
16142 * rtl.h: Declare it.
16144 Thu Jul 22 14:34:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16146 * config/arm/arm.c (arm_print_operand): Fix typo in 'M' case
16147 (use NUM_REGS instead of NUM_INTS).
16149 Thu Jul 22 11:25:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16151 * builtins.c: New file.
16152 * expr.c (saveregs_value, apply_args_value): Delete definition,
16153 moved into builtins.c.
16154 (string_constant): No longer static.
16155 (get_pointer_alignment, c_strlen, get_memory_rtx, expand_builtin,
16156 apply_args_size, apply_result_size, result_vector,
16157 expand_builtin_apply_args, expand_builtin_apply,
16158 expand_builtin_return): Delete functions, moved into builtins.c.
16159 (INCOMING_REGNO, OUTGOING_REGNO): Delete unused macros.
16160 * expr.h (saveregs_value, apply_args_value): Declare variables.
16161 (expand_builtin, string_constant): Declare functions.
16162 * Makefile.in: Update to build builtin.o.
16164 Wed Jul 21 00:46:58 1999 Mark P. Mitchell <mark@codesourcery.com>
16166 * defaults.h (DWARF2_GENERATE_TEXT_SECTION_LABEL): New macro.
16167 * tm.texi (DWARF2_GENERATE_TEXT_SECTION_LABEL): Define it.
16168 * dwarf2out.c (dwarf2out_init): Don't output a label to mark the
16169 start of the text section if DWARF2_GENERATE_TEXT_SECTION_LABEL is
16171 * config/mips/iris6.h (DWARF2_GENERATE_TEXT_SECTION_LABEL):
16174 1999-07-21 Michael Meissner <meissner@cygnus.com>
16176 * print-rtl.c (print_rtx): Print the names of the virtual
16179 Wed Jul 21 16:00:32 1999 Nick Clifton <nickc@cygnus.com>
16181 * config/arm/arm.h (INITIAL_ELIMINATION_OFFSET): Fix typo
16182 introduced in previous delta.
16184 Wed Jul 21 14:30:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16186 * c-lang.c (finish_file): Rename void_list_node to void_list_node_1
16187 to avoid name clash.
16189 Wed Jul 21 08:39:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
16191 * c-lex.c (yylex) : Correct the test for overflow when lexing
16194 Tue Jul 20 18:02:42 1999 Richard Henderson <rth@cygnus.com>
16196 * haifa-sched.c (insn_cost): FREE implies cost 0 and vice versa.
16197 (adjust_priority): Always call ADJUST_PRIORITY.
16198 (schedule_insn): Only put insns into the ready at cost 0.
16199 (schedule_block): Remove redundant initial sort. Give clock_var
16200 and can_issue_more to MD_SCHED_REORDER. Requeue if hazard cost
16202 * tm.texi (MD_SCHED_REORDER): Update docs.
16204 * sparc.h (MD_SCHED_REORDER): Update. Set CAN_ISSUE_MORE.
16205 * sparc.c (ultra_reorder_called_this_block): Delete.
16206 (ultrasparc_sched_init): Don't set it.
16207 (ultrasparc_sched_reorder): Don't check it.
16209 Tue Jul 20 17:07:54 1999 Richard Henderson <rth@cygnus.com>
16211 * rs6000.h (struct rs6000_args): Add sysv_gregno.
16212 * rs6000.c (init_cumulative_args): Init sysv_gregno.
16213 (function_arg_boundary): Align DFmode.
16214 (function_arg_advance): Restructure for ABI_V4; use sysv_gregno
16215 to get fp reg and stack overflow correct.
16216 (function_arg): Likewise.
16217 (function_arg_pass_by_reference): True for TFmode for ABI_V4.
16218 (setup_incoming_varargs): Restructure for ABI_V4; use
16219 function_arg_advance to skip final named argument.
16220 (expand_builtin_saveregs): Properly unskip the last integer arg
16221 when doing varargs. Adjust overflow location calculation.
16223 * ginclude/va-ppc.h (struct __va_list_tag): Make gpr and fpr
16224 explicitly unsigned.
16225 (__VA_FP_REGSAVE): Use new OFS argument instead of AP->fpr directly.
16226 (__VA_GP_REGSAVE): Similarly.
16227 (__va_longlong_p): Delete.
16228 (__va_arg_type_violation): New declaration.
16229 (va_arg): Restructure. Flag promotion errors. Align double.
16230 TFmode passed by reference.
16232 * rs6000.md (movdi_32+1): Use GEN_INT after arithmetic
16233 in the HOST_BITS_PER_WIDE_INT > 32 case.
16235 Tue Jul 20 12:37:30 1999 Hans-Peter Nilsson <hp@bitrange.com>
16237 * dwarf2out.c (output_abbrev_section): Terminate with a zero.
16239 Tue Jul 20 12:12:27 1999 Jason Merrill <jason@yorick.cygnus.com>
16241 * gcc.c (default_compilers, cpp-output): Pass -fpreprocessed.
16242 * toplev.c (documented_lang_options): Add -fpreprocessed.
16243 * cpplib.h (struct cpp_buffer): Add preprocessed.
16244 * cppinit.c (cpp_handle_option): Handle -fpreprocessed.
16245 (cpp_start_read): Don't expand macros or emit an initial #line
16246 directive if -fpreprocessed.
16248 Tue Jul 20 12:12:09 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
16250 * cpplib.h (struct cpp_buffer): Added manual_pop for
16251 better C++ tokenization.
16252 * cpplib.c (cpp_get_token): Return CPP_EOF if manual_pop.
16253 Also, support C++ tokenization for ->*, .*, <?, and >? operators.
16254 * c-common.c (cpp_token): Make non-static.
16256 Tue Jul 20 11:24:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16258 * c-common.h: New file.
16259 * c-common.c (permanent_obstack): Delete unused declaration.
16260 (c_global_trees): New array.
16261 (c_common_nodes_and_builtins): New function; split off common code
16262 from init_decl_processing in both c-decl.c and cp/decl.c.
16263 * c-tree.h: Delete lots of declarations of tree nodes; replaced by
16264 c_global_trees and accessor macros defined in c-common.h.
16265 Include c-common.h.
16266 * c-decl.c: Delete definitions for tree nodes that were replaced by
16268 (init_decl_processing): Build void_list_node.
16269 Call c_common_nodes_and_builtins; delete code to generate the common
16271 * objc/objc-act.c (build_module_descriptor): Rename variable
16272 void_list_node to avoid clash with c-common.h.
16274 * Makefile.in: Update dependencies.
16275 * objc/Make-lang.in: Likewise.
16277 Mon Jul 19 14:22:18 1999 Mark P. Mitchell <mark@codesourcery.com>
16279 * config/mips/iris6gld.h (MAKE_DECL_ONE_ONLY): Define.
16280 (UNIQUE_SECTION_P): Likewise.
16281 (UNIQUE_SECTION): Likewise.
16283 1999-07-19 Linas Vepstas <linas@linas.org>
16285 * config/i370/README: New file.
16286 * config/i370/linux.h: New file.
16287 * config/i370/mvs.h: New file.
16288 * config/i370/oe.h: New file.
16289 * config/i370/t-linux: New file.
16290 * config/i370/t-mvs: New file.
16291 * config/i370/t-oe: New file.
16292 * config/i370/x-oe: New file.
16293 * config/i370/xm-linux.h: New file.
16294 * config/i370/xm-mvs.h: New file.
16295 * config/i370/xm-oe.h: New file.
16297 * i370.c (label_node_t): Add first_ref_page, label_addr,
16298 label_first_ref, label_last_ref members.
16299 (mvs_need_base_reload): Renamed from mvs_label_emitted.
16300 (MAX_MVS_LABEL_SIZE): Define.
16301 (MAX_LONG_LABEL_SIZE): Define.
16302 (alias_node_t, alias_anchor, alias_number): New.
16303 (mvs_function_table): Reorder for EBCDIC.
16304 (ascebc, ebcasc): Unconditionally define.
16305 (i370_branch_dest, i370_branch_length): New functions.
16306 (i370_short_branch, i370_label_scan): New functions.
16307 (mvs_get_label): Renamed from mvs_add_label. Search for
16308 an existing label before creating a new one.
16309 (mvs_add_label): New function.
16310 (mvs_get_label_page): New function.
16311 (mvs_free_label_list): Renamed from mvs_free_label. Iterate
16312 over the entire list.
16313 (mvs_check_page) [TARGET_HLASM]: Use BASR not BALR.
16314 (mvs_check_page) [TARGET_ELF_ABI]: New function.
16315 (mvs_add_alias, mvs_need_alias): New functions.
16316 (mvs_get_alias, mvs_check_alias): New functions.
16317 (handle_pragma): New function.
16318 (mvs_function_check): New function.
16319 (unsigned_jump_follows_p): Search harder.
16320 (i370_function_prolog) [TARGET_HLASM]: Handle LE370. Scan labels.
16321 (i370_function_prolog) [TARGET_ELF_ABI]: New function.
16322 * i370.h (TARGET_VERSION): Delete.
16323 (CPP_SPEC, CPP_PREDEFINES): Delete.
16324 (mvs_label_emitted): Delete.
16325 (TARGET_EBCDIC): Delete.
16326 (MAP_CHARACTER): Define only if TARGET_EBCDIC.
16327 (HANDLE_PRAGMA): Define.
16328 (HARD_REGNO_NREGS): Handle complex modes.
16329 (HARD_REGNO_MODE_OK): Likewise.
16330 (CLASS_MAX_NREGS): Likewise.
16331 (RET_REG): Likewise.
16332 (EXTRA_CONSTRAINT): Define.
16333 (RETURN_IN_MEMORY): True for DImode.
16334 (TRAMPOLINE_TEMPLATE): Use gen_rtx instead of GEN_INT.
16335 (FUNCTION_PROFILER): Delete.
16336 (COUNT_REGS): Fail if REG_P but not REG_OK_FOR_BASE_P.
16337 (NOTICE_UPDATE_CC): Correct handling of MULT, DIV, logicals and shifts.
16338 (TARGET_ESC, TARGET_BELL): Conditionally define for TARGET_EBCDIC.
16339 (TARGET_BS, TARGET_TAB, TARGET_NEWLINE): Likewise.
16340 (TARGET_VT, TARGET_FF, TARGET_CR): Likewise.
16341 (ASM_FILE_START): Add "RMODE ANY".
16342 (ASM_OUTPUT_EXTERNAL): Check for aliases.
16343 (ASM_GLOBALIZE_LABEL): Likewise.
16344 (ASM_OUTPUT_LABELREF): Likewise.
16345 (ASM_OUTPUT_COMMON): Likewise.
16346 (PRINT_OPERAND): Handle 'K', 'W', default.
16347 (PRINT_OPERAND_ADDRESS): New.
16348 (Lots of defines): Add support for TARGET_ELF_ABI.
16349 * i370.md (attr length): New. Define for all patterns.
16350 (*): Lots of tweeks to assembly output and constraints.
16352 Mon Jul 19 15:09:29 1999 David Edelsohn <edelsohn@gnu.org>
16354 * rs6000.md (arithmetic, logical, and shift Rc combiner patterns):
16355 Disable patterns performing SImode comparisons with SImode values
16356 if TARGET_POWERPC64 and instruction does not sign-extend or does
16357 not mask to narrower than SImode, i.e. where bit 31 and bit 63 may
16358 differ for signed quantities.
16359 (indirect_jump): Add expander to choose RTL based on TARGET_64BIT.
16360 (tablejump): Patterns contingent on TARGET_64BIT not TARGET_POWERPC64.
16361 (decrement_and_branch_on_count): Add 64-bit variant.
16363 Mon Jul 19 09:36:27 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16365 * final.c (output_asm_insn): When searching for the matching string
16366 for a given dialect, don't run past the end of the list of
16367 alternatives if there are fewer alternatives in the template than
16370 1999-07-17 Alexandre Oliva <oliva@dcc.unicamp.br>
16372 * gcc.texi: Update e-mail addresses and URLs to gcc.gnu.org.
16373 Removed paragraph about compression of files and size limitation,
16374 duplicated in the FAQ. Use gcc-patches for posting patches.
16375 * gcc.c (main): Updated URL with bug reporting instructions to
16376 gcc.gnu.org. Removed e-mail address.
16377 * system.h (abort): Likewise.
16379 1999-07-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16381 * Makefile.in (stmp-multilib-sub): Make the files extracted
16382 from $(LIBGCC1) writable.
16384 Sat Jul 17 14:25:46 1999 Nick Clifton <nickc@cygnus.com>
16386 * config/arm/aout.h: Reformat for improved readability.
16388 * config/arm/arm.h: Reformat for improved readability.
16389 Replace uses of fprintf with asm_fprintf where appropriate.
16390 (ARM_DECLARE_FUNCTION_NAME): New macro: Perform any generic ARM
16391 function declaration assembler actions.
16392 (NUM_INTS): New macro: Convert from bytes to words.
16393 (NUM_REGS): New macro: Compute number of registers required to
16394 hold a quanitity of tyep MODE.
16395 (NUM_REGS2): New macro: Like NUM_REGS but also copes with BLKmode
16397 (NUM_ARG_REGS): New macro: The number of argument registers
16399 (ARG_REGISTER): New macro: Compute the register number of the Nth
16401 (LAST_ARG_REGNUM): New macro: The number of the last argument
16403 (SP_REGNUM): New macro: Register number of the stack pointer.
16404 (FP_REGNUM): New macro: Register number of the frame pointer.
16405 (FUNCTION_ARG, FUNCTION_ARG_PARTIAL_NREGS, INIT_CUMULATIVE_AGS,
16406 FUNCTION_ARG_ADVANCE, SETUP_INCOMING_VARARGS): Change
16407 CUMULATIVE_ARGS so that it counts registers not bytes.
16409 * config/arm/arm.c: Rename TARGET_THUMB_INTERWORK to
16411 Replace uses of fprintf with asm_fprintf where appropriate.
16412 (output_ascii_pseudo_op): Replace with version from thumb.c
16414 * config/arm/coff.h (ASM_FILE_START): Emit ASM_APP_OFF.
16416 * config/arm/elf.h (CPP_PREDEFINES): Replace with
16417 SUBTARGET_CPP_SPEC.
16418 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
16419 (ASM_FILE_START): Emit ASM_APP_OFF.
16421 Fri Jul 16 13:48:09 1999 Jeffrey A Law (law@cygnus.com)
16423 * pa.c (compute_frame_size): Round frame according to
16424 STACK_BOUNDARY rather than a hardwired value.
16426 * pa.h (POINTER_SIZE, PARM_BOUNDARY): Define in terms of BITS_PER_WORD.
16428 * configure.in (hppa*-*-hpux11*): Use symbolic MASK_PA_11 instead
16430 * configure: Rebuilt.
16432 * configure.in (hppa*-*-linux*): New configuration.
16433 * configure: Rebuilt.
16434 * pa.h (MAX_OFILE_ALIGNMENT): Delete.
16435 * pa/som.h (MAX_OFILE_ALIGNMENT): Define.
16436 * pa/pa-linux.h: New file.
16437 * pa/t-linux: New file.
16438 * pa/xm-linux.h: New file.
16440 * pa.c (hppa_legitimize_address): Change references from SImode to
16441 either Pmode or word_mode as appropriate.
16442 (emit_move_sequence, store_reg, load_reg): Likewise.
16443 (set_reg_plus_d, hppa_expand_prologue): Likewise.
16444 (output_mul_insn): Likewise.
16445 * pa.h (PROMOTE_MODE): Likewise.
16446 (INITIALZE_TRAMPOLINE): Likewise.
16447 (Pmode): Define to word_mode.
16449 * pa.c (compute_frame_size): Use UNITS_PER_WORD instead of hardwired
16450 value of 4. Allocate 8 bytes for each FP register save.
16451 (hppa_expand_epilogue): Use UNITS_PER_WORD instead of harwarewired
16453 (hppa_expand_prologue): Likewise.
16454 * pa.h (PROMOTE_MODE): Likewise.
16455 (HARD_REGNO_MODE_OK, FUNCTION_ARG_SIZE): Likewise.
16456 (FUNCTION_ARG_BOUNDARY): Likewise.
16458 * invoke.texi (HPPA Options): Remove -mspace/-mno-space.
16460 * pa.c (out_of_line_prologue_epilogue): Delete.
16461 (override_options): Remove -mspace related code.
16462 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
16463 (compute_frame_size): Only allocate space for register that
16464 actually need to be saved.
16465 * pa.h (MASK_SPACE, TARGET_SPACE): Delete.
16466 (TARGET_SWITCHES): Remove -mspace, -mno-space
16467 * pa/t-pa (LIB2FUNCS_EXTRA): Remove ee.asm and ee_fp.asm
16468 * pa/t-pro (LIB2FUNCS_EXTRA): Likewise. Remove -mspace multilib.
16469 * pa/ee.asm, pa/ee_fp.asm: Delete.
16471 * pa/elf.h (ASM_OUTPUT_DOUBLE_INT): Define.
16473 * config/svr4.h (CONST_SECTION_ASM_OP): Do not emit assembler
16474 directive in column zero.
16476 Fri Jul 16 01:39:57 1999 Jeffrey A Law (law@cygnus.com)
16478 * m68k.c (output_function_prologue): Fix computation of save mask
16479 when generating PIC code.
16481 Thu Jul 15 15:40:09 1999 Jim Wilson <wilson@cygnus.com>
16483 * tree.c (build_type_attribute_variant): Move current_obstack restore
16484 after build_qualified_type call.
16486 1999-07-15 Mark Mitchell <mark@codesourcery.com>
16488 * configure.in: Use t-iris6, even with GNU LD.
16489 * config/mips/iris6gld.h: Fix typo in linker spec.
16490 * config/mips/t-iris6gld: Remove.
16492 Thu Jul 15 15:15:43 1999 David Edelsohn <edelsohn@gnu.org>
16494 * rs6000.md (insv, extzv): Remove SImode dependence in named
16495 patterns. Explicitly generate DImode RTL if PowerPC64 and
16497 (insvdi): Reverse start and size in instruction template.
16499 1999-07-12 Joseph S. Myers <jsm28@cam.ac.uk>
16501 * invoke.texi: Typo fixes.
16503 Wed Jul 14 23:28:06 1999 Jeffrey A Law (law@cygnus.com)
16505 * emit-rtl.c (gen_realpart): Issue an error for cases GCC can not
16506 handle at this time instead of silently generating incorrect code.
16507 (gen_imagpart): Likewise.
16509 * reload.c (find_reloads): Emit a USE for a pseudo register without
16510 a hard register if we could not create an optional reload for the
16513 Wed Jul 14 23:45:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16515 * c-typeck.c (output_init_element, process_init_element):
16516 When advancing constructor_unfilled_fields for a RECORD_TYPE,
16517 check for nameless bit fields.
16519 Wed Jul 14 01:57:39 1999 Richard Henderson <rth@cygnus.com>
16521 * regclass.c (scan_one_insn): Notice subregs that change the
16522 size of their operand.
16523 (record_reg_classes): Use that to obey CLASS_CANNOT_CHANGE_SIZE.
16525 Wed Jul 14 01:41:42 1999 Jeffrey A Law (law@cygnus.com)
16527 * configure.in (alpha*-*-*): Include alpha/t-ieee.
16528 * configure: Rebuilt.
16529 * alpha/t-ieee: New file.
16531 Tue Jul 13 10:45:58 1999 Jeffrey A Law (law@cygnus.com)
16533 * rs6000.c (find_addr_reg): Do not select r0 as an address
16536 Tue Jul 13 00:46:18 1999 Philippe De Muyter <phdm@macqel.be>
16538 * m68k/x-mot3300 (XCFLAGS): List of big files now includes `cse.o'.
16540 Mon Jul 12 14:29:15 1999 Jeffrey A Law (law@cygnus.com)
16542 * rs6000.md (movsf): Do not force easy FP constants into memory.
16544 * expr.c (expand_expr, case PLUS_EXPR): Pass constants through
16545 immed_double_const to ensure they are properly truncated then
16548 Mon Jul 12 10:40:01 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
16550 * config/arm/thumb.c (thumb_reorg): Call replace_symbols_in_block
16551 always unless NO_DEBUG is used. Compile this code
16553 (replace_symbols_in_block): Compile it unconditionally.
16555 Sun Jul 11 12:32:32 1999 Jeffrey A Law (law@cygnus.com)
16557 * configure.in (i?86-*-elf*): New target.
16558 * configure: Rebuilt.
16559 * i386/i386elf.h, i386/t-i386elf: New files.
16561 Fri Jul 9 22:39:44 1999 Jason Merrill <jason@yorick.cygnus.com>
16563 * toplev.c (main): Don't complain about saying -gdwarf.
16564 (rest_of_compilation): Remove redundant code.
16566 Fri Jul 9 19:08:55 1999 Jim Wilson <wilson@cygnus.com>
16568 * unroll.c (unroll_loops): Don't delete named CODE_LABELs.
16570 Fri Jul 9 18:54:18 1999 Felix Lee <flee@cygnus.com>
16572 * config/i960/i960.c (ret_label): Change asm label from "LR:" to
16573 "Li960R:", to avoid name clash.
16575 Fri Jul 9 10:48:28 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16577 * loop.c (check_dbra_loop): When reversing a loop, delete all
16578 REG_EQUAL notes referencing the reversed biv except those which are
16579 for a giv based on it.
16581 Fri Jul 9 03:51:52 1999 Jeffrey A Law (law@cygnus.com)
16583 * version.c: Drop "gcc-" prefix from version #.
16585 Thu Jul 8 18:06:30 1999 Jason Merrill <jason@yorick.cygnus.com>
16587 * dwarf2out.c (dwarf2out_line): Emit a line number comment after
16588 the label if we're being verbose.
16590 Thu Jul 8 14:18:46 1999 Richard Henderson <rth@cygnus.com>
16592 * m68k.c (output_function_prologue): Add pic register to mask
16593 if live and flag_pic.
16594 (output_function_epilogue): Likewise.
16596 Thu Jul 8 12:55:12 1999 Jeffrey A Law (law@cygnus.com)
16598 * dbxelf.h (ASM_OUTPUT_SOURCE_LINE): Do not put assembler
16599 directives in column zero.
16601 * pa/elf.h (ASM_FILE_START): Define.
16602 * pa/som.h (ASM_FILE_START): Include .level directives.
16603 * pa/hpux10.h (ASM_FILE_START): Delete.
16604 * pa/hpux11.h (ASM_FILE_START): Delete.
16606 * pa/elf.h (BSS_SECTION_ASM_OP): Use .section .bss.
16608 Thu Jul 8 18:03:19 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16610 * reload1.c (choose_reload_regs): Never call remove_adress_replacements
16611 when reload_out equals reload_in.
16613 Thu Jul 8 16:50:14 1999 Nick Clifton <nickc@cygnus.com>
16615 * invoke.texi (Spec Files): New node: Describe the contents of
16618 Thu Jul 8 10:28:25 1999 Craig Burley <craig@jcb-sc.com>
16620 * invoke.texi (DEC Alpha Options): Put @end table at
16621 beginning of line, to avoid confusing texi2html.
16623 Thu Jul 8 09:22:06 1999 Nick Clifton <nickc@cygnus.com>
16625 * config/arm/elf.h (ASM_OUTPUT_INTERNAL_LABEL): Fixed typo
16626 introduced in previous delta.
16628 Wed Jul 7 02:00:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
16630 * reload1.c (gen_reload): When synthesizing a 3 operand add
16631 sequence, improve test for when to reload OP1 into the reload
16632 register instead of OP0.
16634 Wed Jul 7 01:38:03 1999 Jim Wilson <wilson@cygnus.com>
16636 * unroll.c (unroll_loop): Don't delete NOTE_INSN_DELETED_LABEL notes.
16638 1999-07-07 Manfred Hollstein <mhollstein@cygnus.com>
16640 * m88k/dguxbcs.h (CPP_SPEC): Add missing \ in multi-line
16643 Wed Jul 7 01:16:43 1999 Richard Henderson <rth@cygnus.com>
16645 * ginclude/varargs.h (__builtin_va_alist_t): New typedef.
16646 (va_dcl): Use __builtin_va_alist_t.
16648 Wed Jul 7 01:14:42 1999 Jason Merrill <jason@yorick.cygnus.com>
16650 * dwarf2out.c (gen_struct_or_union_type_die): Only remember types
16651 on the permanent_obstack.
16652 * dwarfout.c (output_type): Likewise.
16654 Tue Jul 6 15:25:32 1999 Gavin Romig-Koch <gavin@cygnus.com>
16656 * c-common.c (unsigned_type,signed_type,signed_or_unsigned_type) :
16657 Merged from c-typeck.c and cp/typeck.c.
16658 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
16659 Merged into c-common.
16661 Tue Jul 6 13:06:01 1999 Dave Brolley <brolley@cygnus.com>
16663 * c-lex.c (errorcount): Declare it.
16664 (finish_parse): Update errorcount when using CPPLIB.
16666 1999-07-06 Bruce Korb <ddsinc09@ix.netcom.com>
16668 * fixinc/inclhack.def(end_else_label): Double the backslash so
16669 sed gets a chance to see it.
16670 * fixinc/inclhack.sh: regen
16671 * fixinc/fixincl.x: regen
16673 Fri Jul 2 18:49:51 1999 Nick Clifton <nickc@cygnus.com>
16675 Add framework to support armv5 architecture when it becomes
16678 * config/arm/arm.c (FL_ARCH5): New processor capability flag.
16679 (arm_arch5): New variable.
16680 (all_architectures): Add armv5 line.
16681 * config/arm/arm.h (CPP_CPU_ARCH_SPEC): Define __ARM_ARCH_5__ if
16682 -march=armv5 is specified on the command line.
16683 (arm_arch5): Export this variable.
16684 * invoke.texi: Document new string accepted by -march= switch for
16687 * config/arm/arm.h: Replace use of constant 12 as a register
16688 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
16689 * config/arm/arm.c: Replace use of constant 12 as a register
16690 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
16692 * config/arm/elf.h: Tidy up.
16693 * config/arm/coff.h: Tidy up.
16695 Thu Jul 1 19:08:13 1999 Mark P. Mitchell <mark@codesourcery.com>
16697 * gcc/configure.in (mips-sgi-irix6*): Handle --with-gnu-ld.
16698 * gcc/config/mips/t-iris6gld: New file.
16699 * gcc/config/mips/iris6gld.h: Likewise.
16701 Fri Jul 2 13:23:39 1999 Gavin Romig-Koch <gavin@cygnus.com>
16703 * c-decl.c (widest_integer_literal_type_node,
16704 widest_unsigned_literal_type) : New.
16705 (init_decl_processing): Handle/use the two new types.
16706 * c-common.c (type_for_size,type_for_mode) : Same.
16707 * c-lex.c (yylex) : Same.
16708 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
16710 * c-tree.h (widest_integer_literal_type_node,
16711 widest_unsigned_literal_type) : New.
16713 Fri Jul 2 03:05:44 1999 Jeffrey A Law (law@cygnus.com)
16715 * dwarfout.c (field_byte_offset): Correctly compute the object's
16716 byte offset for the first bit of a field which crosses an alignment
16717 boundary on a !BYTES_BIG_ENDIAN target.
16719 Fri Jul 2 01:36:36 1999 Robert Lipe <robertlipe@usa.net>
16721 * fixinc.svr4: Fix <arpa/inet.h> by deleting protos for htons and
16724 Fri Jul 2 00:46:47 1999 Richard Henderson <rth@cygnus.com>
16725 Jeff Law <law@cygnus.com>
16727 * ginclude/varargs.h (va_dcl): Use word_mode for type of
16730 * except.c: Include intl.h.
16731 (expand_eh_return): Set current_function_cannot_inline.
16732 (save_eh_status, restore_eh_status): Twiddle eh_return_stub_label.
16733 * function.h (struct function): Add eh_return_stub_label.
16734 * flow.c (delete_unreachable_blocks): Don't merge across EH edges.
16735 * Makefile.in (except.o): Depend on intl.h.
16737 Fri Jul 2 00:04:23 1999 David Edelsohn <edelsohn@gnu.org>
16739 * rs6000.md (movdf_hardfloat32): Handle PRE_INC and PRE_DEC the
16740 same as offsettable in cases 1 and 2.
16742 Thu Jul 1 20:54:10 1999 Richard Henderson <rth@cygnus.com>
16744 * alpha.md (extqh): Define as 64-((R&7)*8) instead of 56-(((R-1)&7)*8).
16745 (extlh, extwh): Likewise.
16747 Thu Jul 1 11:05:25 1999 Gavin Romig-Koch <gavin@cygnus.com>
16749 * c-lex.c (yylex): Improve 'integer constant out of range' messages.
16751 Wed Jun 30 16:51:41 1999 Nick Clifton <nickc@cygnus.com>
16753 * configure.in: Add arm-pe and thumb-pe targets.
16754 * configure: Regenerate.
16756 * thumb.c (arm_naked_function_p): New function: Determines if
16757 a function is naked (has no gcc generated prologue/epilogue).
16758 (is_called_in_ARM_mode): Return true if the func has the
16759 interfacearm attribute.
16760 (output_return): Do not generate a return for naked functions.
16761 (thumb_function_prologue): Do not generate a prologue for
16763 (thumb_expand_prologue): Do not generate a prologue for naked
16765 (thumb_expand_epilogue): Do not generate an epilogue for naked
16767 (arm_valid_machine_decl_attribute): New function, copied from
16768 arm.c: Permit naked and interfacearm attributes.
16770 * config/arm/pe.c: New file: Support code for arm-pe target.
16771 * config/arm/pe.h: New file: Header file for arm-pe target.
16772 * config/arm/tpe.h: New file: Header file for thumb-pe target.
16773 * config/arm/t-thumb-pe: New file: Makefile fragment for
16776 1999-07-01 Mark Kettenis <kettenis@gnu.org>
16778 * config/i386/gnu.h (CPP_SPEC): Define __PIC__ and __pic__ if
16779 -fPIC or -fpic is specified.
16781 Wed Jun 30 03:31:54 1999 Jeffrey A Law (law@cygnus.com)
16783 * expr.c (emit_block_move): Use copy_to_mode_reg for
16784 !TARGET_MEM_FUNCTIONS case too.
16786 * configure.in (hppa*-*-*): Add som.h or elf.h to tm_file as
16788 * configure: Rebuilt.
16789 (hppa1.1-*-pro*, hppa1.1-*-rtems*): Define target_cpu_default.
16790 * pa.h: Include dbxelf.h. Delete various dbx/stabs related
16791 definitions made redundant by dbxelf.h inclusion. Delete
16792 lots of definitions related to assembly output that are
16793 specific to the SOM object format.
16794 * pa.c (output_function_prologue): Do not emit the function's
16796 * pa-pro-end.h (STARTFILE_SPEC): Undefine before redefining.
16797 * pa-pro.h: Deleted.
16798 * som.h: New file with SOM specific definitions.
16799 * elf.h: New file with ELF specific definitions.
16801 * elfos.h (const_section): Output a tab before assembler directives.
16802 (ctors_section, dtors_section): Likewise.
16803 (ASM_OUTPUT_SECTION_NAME): Likewise.
16805 * pa/pa1.h: Delete unused file.
16807 Tue Jun 29 01:37:53 1999 Jeffrey A Law (law@cygnus.com)
16809 * configure.in (hppa*-hp-hpux11*): New configuration.
16810 * configure: Rebuilt.
16811 * pa/pa-hpux11.h: New file.
16812 * pa.h (CPP_SPEC): Conditionally add -D__STDC_EXT__ to the cpp
16815 * mips.md (leasi, leadi): New patterns.
16817 * expr.c (emit_block_move): Properly handle case where one of the
16818 block move arguments has a queued increment or decrement.
16819 (clear_storage): Similarly. Fix formatting goof.
16821 1999-06-28 "David O'Brien" <obrien@NUXI.com>
16823 * fixinc/inclhack.def(stdio_va_list): This patch Removes a
16824 semicolon from the BSD VA_LIST replacement expression.
16826 * fixinc/inclhack.sh: regen
16827 * fixinc/fixincl.x: regen
16829 * fixinc/mkfixinc.sh: Have `i[34567]86-*-freebsd*' machines
16830 now use the fixincl program.
16832 Mon Jun 28 05:28:12 1999 Jeffrey A Law (law@cygnus.com)
16834 * m68k.h (CONDITIONAL_REGISTER_USAGE): Define for !SUN_FPA
16835 case. Also make the PIC register call_used.
16837 * m68k.h (FINALIZE_PIC): Delete.
16838 * m68k.c (finalize_pic): Delete.
16840 Mon Jun 28 05:16:35 1999 Richard Henderson <rth@cygnus.com>
16842 * m68k.h (PREFERRED_RELOAD_CLASS): Don't force any FP const_doubles
16845 Mon Jun 28 04:07:27 1999 David Edelsohn <edelsohn@gnu.org>
16847 * expmed.c (expand_divmod): Ensure unsigned value fits in reg_note.
16849 Sun Jun 27 02:39:08 1999 Richard Henderson <rth@cygnus.com>
16851 * jump.c (jump_optimize_1): Validate the cmov copy to a temporary.
16853 Sat Jun 26 17:18:18 1999 David Edelsohn <edelsohn@gnu.org>
16855 * rs6000.c (print_operand, case 'L'): Use plus_constant_for_output.
16857 Fri Jun 25 11:33:24 1999 Richard Henderson <rth@cygnus.com>
16859 * alpha.c (override_options): Add -mcpu=ev45 as an alias for ev4.
16861 Fri Jun 25 13:41:25 1999 David Edelsohn <edelsohn@gnu.org>
16863 * rs6000.c (output_toc): Always use hex values for floating-point
16864 constants. Store single-precision values in upper-half of TOC
16865 entry in 64-bit mode.
16866 * rs6000.md (floatsidf2, floatunssidf2): Add !TARGET_POWERPC64
16867 to final constraints.
16868 (fix_truncdfsi2 splitter): Change pattern matching fctiwz.
16869 (fctiwz): Improve accuracy of RTL for pattern.
16871 Fri Jun 25 11:26:38 1999 Gavin Romig-Koch <gavin@cygnus.com>
16873 * expr.c (expand_expr): Allow RTL_EXPR's through the
16874 MAX_INTEGER_COMPUTATION_MODE checks.
16876 Fri Jun 25 06:06:37 1999 Richard Henderson <rth@cygnus.com>
16878 * alpha.h (MASK_SUPPORT_ARCH, MASK_CPU_EV5, MASK_CPU_EV6): Define
16879 such that MASK_SUPPORT_ARCH is not negative.
16881 Fri Jun 25 05:35:44 1999 Jeffrey A Law (law@cygnus.com)
16883 * loop.c (verify_dominator): Properly handle ADDR_VEC and
16884 ADDR_DIFF_VEC insns that appear inside loops.
16886 Thu Jun 24 22:54:05 1999 David Edelsohn <edelsohn@gnu.org>
16887 Jeff Law <law@cygnus.com>
16889 * rs6000.md (movdf_hardfloat32): Revert previous patch.
16890 Handle LO_SUM the same as offsettable in cases 1 and 2.
16891 * rs6000.c (find_addr_reg): Revert previous patch.
16893 Thu Jun 24 22:43:12 1999 Philippe De Muyter <phdm@macqel.be>
16895 * system.h (strstr): New external function declaration.
16896 * acconfig.h (NEED_DECLARATION_STRSTR): New define slot.
16897 * configure.in (GCC_NEED_DECLARATIONS): Check for strstr.
16898 * config.in, configure: Rebuilt.
16900 1999-06-24 Tom Tromey <tromey@cygnus.com>
16902 * gcc.c (main): Read user-specified specs files after computing
16903 additional startfile_prefixes.
16905 Thu Jun 24 15:00:47 1999 Mark Mitchell <mark@codesourcery.com>
16907 Revert these two patches:
16909 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16910 * loop.c (strength_reduce): When doing biv->giv conversion, update
16911 reg note of NEXT->insn.
16913 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16914 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
16916 (recombine_givs): Set ix field after sorting.
16918 Wed Jun 23 21:26:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16920 * rtlanal.c (reg_referenced_p): Use reg_overlap_mentioned_p
16921 for the parts of an UNSPEC / UNSPEC_VOLATILE.
16923 1999-06-23 Bruce Korb <ddsinc09@ix.netcom.com>
16925 *fixinc/inclhack.def: Add fix development commentary
16926 (read_ret_type): reactivate and add selection clause
16927 (zzz_*): tweak output file name to match what is used in hackshell.tpl
16928 *fixinc/{fixincl.x|inclhack.sh}: regen
16930 Wed Jun 23 00:48:21 1999 Jason Merrill <jason@yorick.cygnus.com>
16932 * expr.c (expand_expr): STRIP_NOPS before checking against
16933 MAX_INTEGER_COMPUTATION_MODE
16934 (check_max_integer_computation_mode): Likewise.
16936 Tue Jun 22 20:23:43 1999 Jim Wilson <wilson@cygnus.com>
16938 * md.texi (smul@var{m}3_highpart): Add missing 's' prefix.
16940 1999-06-22 Jim Wilson <wilson@cygnus.com>
16942 * expr.c (store_expr): When target is a promoted subreg, return a
16943 promoted subreg as a result.
16945 Tue Jun 22 17:14:58 1999 Michael Meissner <meissner@cygnus.com>
16947 * dwarf2out.c (dwarf2out_frame_debug_expr): Reformat to match GNU
16949 (dwarf2out_define): Mark unused parameters appropriately.
16950 (gen_unspecified_parameters_die): Ditto.
16951 (gen_subprogram_die): Fix signed/unsigned warnings.
16952 (gen_variable_die): Ditto.
16954 1999-06-22 Bruce Korb <ddsinc09@ix.netcom.com>
16956 * fixinc/inclhack.def(end_else_label): combined else_label
16957 and endif_label and fixed the sed expression.
16958 *fixinc/{fixincl.x|inclhack.sh}: regen
16960 Tue Jun 22 01:58:18 1999 Jeffrey A Law (law@cygnus.com)
16962 * rs6000.md (movdf_hardfloat32): Use %X instead of always emitting
16963 'x' when handling non-offsettable addresses
16965 Tue Jun 22 00:20:05 1999 Richard Earnshaw (rearnsha@arm.com)
16967 * final.c (shorten_branches): Don't try to split an insn that has
16970 Mon Jun 21 12:47:39 1999 Mark Mitchell <mark@codesourcery.com>
16972 * config/mips/mips.c (symbolic_expression_p): New function.
16973 (mips_select_rtx_section): Put symbolic expressions in the
16974 data section, not the read-only data section.
16976 Mon Jun 21 22:13:06 1999 Jeffrey A Law (law@cygnus.com)
16978 * rs6000.md (find_addr_reg): Handle LO_SUM addresses.
16980 Mon Jun 21 20:10:42 1999 Richard Henderson <rth@cygnus.com>
16982 * collect2.c (main): Log frame table count.
16983 (GCC_OK_SYMBOL) [ECOFF]: Accept stGlobal.
16984 (scan_prog_file) [COFF]: Handle frame tables.
16986 * alpha/alpha.h (UNALIGNED_SHORT_ASM_OP): Define.
16987 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): Define.
16988 * alpha/elf.h: Undef them again.
16989 * alpha/vms.h: Remove their definitions.
16991 Tue Jun 22 03:17:53 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16993 * sh.c (machine_dependent_reorg): When fixing up fp pcloads,
16994 remove the clobber of r0 and change the REG_UNUSED note to
16997 1999-06-21 Jakub Jelinek <jj@ultra.linux.cz>
16999 * real.c (ereal_from_double): Fix for 64-bit big endian hosts.
17000 * emit-rtl.c (gen_lowpart_common): Add case for hosts where double
17001 fits in HOST_WIDE_INT and one uses union to access a long constant
17004 Mon Jun 21 17:18:25 1999 Richard Henderson <rth@cygnus.com>
17006 * sparc.c (sparc_override_options): Don't allow profiling for
17007 code models other than medlow.
17008 (sparc_function_profiler): New function from old FUNCTION_PROFILER
17009 macro. Use ASM_GENERATE_INTERNAL_LABEL and MCOUNT_FUNCTION.
17010 (sparc_function_block_profiler): Likewise. Use user_label_prefix.
17011 (sparc_block_profiler): Likewise.
17012 (sparc_function_block_profiler_exit): Likewise.
17013 * sparc.h (FUNCTION_PROFILER): Call new sparc.c function.
17014 (FUNCTION_BLOCK_PROFILER): Likewise.
17015 (BLOCK_PROFILER): Likewise.
17016 (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
17017 (MCOUNT_FUNCTION): New.
17018 * sparc/pbd.h (FUNCTION_PROFILER): Delete.
17019 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Delete.
17020 * sparc/sun4o3.h (FUNCTION_PROFILER): Delete.
17021 (MCOUNT_FUNCTION): New.
17022 * sparc/sysv4.h (FUNCTION_BLOCK_PROFILER): Delete.
17023 (BLOCK_PROFILER): Delete.
17024 (MCOUNT_FUNCTION): New.
17026 Mon Jun 21 14:11:29 1999 David Edelsohn <edelsohn@gnu.org>
17028 * rs6000.md (movdf_hardfloat32): Fix typo in case 2.
17030 Mon Jun 21 12:27:17 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
17032 * config/mips/elf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
17035 * config/m68k/m68kelf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
17038 * config/sh/sh.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
17041 * config/arm/telf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
17044 Mon Jun 21 14:58:42 1999 Nick Clifton <nickc@cygnus.com>
17046 * config/arm/arm.h: Add cpp support for ARM920 and ARM920T cpu
17049 Mon Jun 21 06:22:21 1999 Mark Elbrecht <snowball3@bigfoot.com>
17051 * i386/djgpp.h (LIB_SPEC): New.
17052 (STARTFILE_SPEC): New.
17054 * i386/xm-djgpp.h (NO_SYS_SIGLIST): Deleted. Now obsolete.
17056 Mon Jun 21 06:19:33 1999 Philippe De Muyter <phdm@macqel.be>
17058 * fixinc/Makefile.in (gnu-regex.o): Do not define STDC_HEADERS in
17061 * system.h (WSTOPSIG): New macro.
17063 Mon Jun 21 05:33:15 1999 Mumit Khan <khan@xraylith.wisc.edu>
17065 * c-pragma.c (push_alignment): Don't ignore alignments greater than
17067 (insert_pack_attributes): Take into account member natural
17070 * i386/winnt.c (exports_head): New static variable.
17071 (i386_pe_record_exported_symbol): New function.
17072 (i386_pe_asm_file_end): Use.
17073 * i386/cygwin.h (ASM_OUTPUT_COMMON): Record the exported
17074 symbols to be emitted at end of assembly.
17075 (ASM_DECLARE_OBJECT_NAME): Likewise.
17076 (ASM_DECLARE_FUNCTION_NAME): Likewise.
17078 * i386/uwin.h (CPP_SPEC): Use -idirafter instead -iprefix and
17081 Mon Jun 21 04:44:31 1999 Jeffrey A Law (law@cygnus.com)
17083 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Fix paren error introduced
17086 Sun Jun 20 17:27:20 1999 Richard Henderson <rth@cygnus.com>
17088 * haifa-sched.c (sched_analyze_1): Use free_list instead of
17089 zapping reg_last_uses directly.
17090 (sched_analyze_2, sched_analyze_insn): Likewise.
17091 (sched_analyze): Likewise. Don't clear reg_last_uses on calls.
17093 Sun Jun 20 16:57:29 1999 David Edelsohn <edelsohn@gnu.org>
17095 * rs6000.md (movdf_hardfloat32): Use worst case insn length
17096 attributes for cases 1 and 2.
17098 Sat Jun 19 22:52:55 1999 Richard Henderson <rth@cygnus.com>
17100 * haifa-sched.c (sched_analyze): Mark call-user regs as clobbered
17103 Sat Jun 19 05:40:07 1999 Philip Blundell <pb@nexus.co.uk>
17105 * arm.c (arm_reload_in_hi): Invert sense of test on BYTES_BIG_ENDIAN.
17107 Sat Jun 19 05:25:05 1999 Richard Earnshaw (rearnsha@arm.com)
17109 * arm.h (CONDITIONAL_REGISTER_USAGE): If flag_pic, never use
17110 PIC_OFFSET_TABLE_REGNUM for general alloaction.
17111 (INITIAL_ELIMINATION_OFFSET): Count the fact that the PIC register
17112 must be stacked if it is used for PIC accesses.
17113 * arm.c (use_return_insn): Handle PIC register specially.
17114 (output_return_instruction): Likewise.
17115 (output_func_{prologue,epilogue}): Likewise.
17116 (output_expand_prologue): Likewise.
17118 * arm.md (*adddf_esfdf_df): Renamed from *adddf_df_esfdf.
17119 (*strsi_predec): Renamed from *strqi_predec.
17120 (*loadsi_shiftpreinc): Renamed from *loadqi_shiftpreinc.
17121 (*loadsi_shiftpredec): Renamed from *loadqi_shiftpredec.
17123 * arm.c (arm_override_options): Remove warning about PIC code
17124 not being supported.
17126 Fri Jun 18 23:47:06 1999 David Edelsohn <edelsohn@gnu.org>
17128 * rs6000.c (find_addr_reg): New function.
17129 * rs6000.h (find_addr_reg): Declare.
17130 (offsettable_addr_operand): Delete.
17131 * rs6000.md (movdf_hardfloat32): Handle non-offsettable loads
17132 from and stores to GPRs.
17134 Fri Jun 18 15:44:18 1999 Richard Henderson <rth@cygnus.com>
17136 * alpha.c (alpha_expand_block_move): Use get_insns rather than
17137 gen_sequence as argument to emit_no_conflict_block.
17139 Fri Jun 18 07:02 1999 Bruce Korb <ddsinc09@ix.netcom.com>
17141 * fixinc/mkfixinc.sh: enable the fixincl program for DG/UX
17142 * fixinc/inclhack.def(dgux_int_varargs): script must end with \n
17143 *fixinc/fixincl.x: regen
17144 *fixinc/inclhack.sh: regen
17146 Thu Jun 17 15:06:10 PDT 1999 Don Lindsay <dlindsay@cygnus.com>
17148 * added support for -mpcrel (PC relative addressing for m68k)
17149 based on code done by Michael Tiemann <tiemann@axon.cygnus.com>.
17150 * invoke.texi (m68000 options): Add documentation for -mpcrel flag.
17151 * m68k.c (print_operand_address): Handle 32-bit PIC case.
17152 (comments for general_src_operand): Add some explanation
17153 about EXTRA_CONSTRAINTS.
17154 (OVERRIDE_OPTIONS): Enable -fPIC in combination with -mpcrel.
17155 * m68kelf.h (OVERRIDE_OPTIONS): Ditto.
17156 (LEGITIMATE_PIC_OPERAND_P): Fix typo.
17157 (LEGITIMATE_PIC_OPERAND_P): Re-derive from m68k.h case.
17158 * m68k.h (LEGITIMATE_PIC_OPERAND_P): Fix delete-o.
17159 (INDIRECTABLE_1_ADDRESS): Delete spurious '/' at end of macro.
17160 (OVERRIDE_OPTIONS): Change behavior so that -mpcrel implies -fpic
17161 if not already set.
17162 (OVERRIDE_OPTIONS): Merge in changes from m68k.h.
17163 * m68k.h (TARGET_PCREL): New target flag.
17164 (TARGET_SWITCHES): Add "pcrel" as a recognized switch.
17165 (OVERRIDE_OPTIONS): Add checks for -mpcrel.
17166 (LEGITIMATE_PIC_OPERAND_P): Don't normally accept anything that
17167 contains a SYMBOL_REF. Relax this constraint during reload, since
17168 we want to use the predicates, not reload's built-in concept of a
17169 valid memory address, to control what insns need reloading.
17170 (EXTRA_CONSTRAINT): Define constraints to accept pc-relative
17171 operands (essentially 'g', 'm', and 's' under normal circumstances).
17172 * m68k.c (print_operand): Cause printing of pc-relative addresses
17173 to include pc register.
17174 (print_operand_address): Ditto.
17175 (general_src_operand): Accept operands that are not only
17176 general_operands, but are also valid when used as a pc-relative
17178 (nonimmediate_src_operand): Similar, for nonimmediate_operands.
17179 (memory_src_operand): Similar, for memory_operands.
17180 (pcrel_address): New predicate to accept the special case of a
17181 pc-relative address.
17182 * m68k.md (many patterns): Rewrite common SImode, HImode, and
17183 QImode insns to accept *_src_operand instead of *_operand where
17184 pc-relative operands can fit. For example, a pc-relative operand
17185 can be used as a memory source operand for addsi3, but not as a
17186 memory destination.
17187 * hp320.h linux.h m68kv4.h (LEGITIMATE_PIC_OPERAND_P) as in m68k.h.
17189 Fri Jun 18 09:11:07 1999 Nick Clifton <nickc@cygnus.com>
17191 * config/arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS): New Marco: USe
17192 .thumb_set pseudo op to mark aliases of thumb functions.
17194 Wed Jun 16 18:19:13 1999 Nick Clifton <nickc@cygnus.com>
17196 * varasm.c (assemble_alias): Use ASM_OUTPUT_DEF_FROM_DECLS in
17197 preference to ASM_OUTPUT_DEF, if it is defined.
17199 * tm.texi: Document new, optional target macro
17200 ASM_OUTPUT_DEF_FROM_DECLS.
17202 Thu Jun 17 15:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
17204 * fixincludes: ISCNTL patch
17205 * fixinc/inclhack.def (ioctl_fix_ctrl): Fix the definition of [_]*ISCTRL().
17206 (dgux_int_varargs): new for DG/UX
17207 * fixinc/{fixincl.x,inclhack.sh}: Regenerated.
17209 Thu Jun 17 21:34:24 1999 Jeff Law <law@cygnus.com>
17211 * invoke.texi (ia32 options): Fix typo.
17213 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17215 * loop.c (strength_reduce): When doing biv->giv conversion, update
17216 reg note of NEXT->insn.
17218 Thu Jun 17 14:25:08 1999 Jeffrey A Law (law@cygnus.com)
17220 * loop.c (move_movables): Note issues with replacing REGs with
17222 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Handle SUBREGs properly.
17224 Thu Jun 17 13:28:30 1999 David O'Brien <obrien@FreeBSD.org>
17226 * i386/freebsd-elf.h (LINK_SPEC): Fix typo.
17228 * i386/freebsd-elf.h (FUNCTION_PROFILER): labels are not needed and
17229 the reference to `mcount' was not correct for the ELF on FreeBSD.
17231 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17233 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
17236 (recombine_givs): Set ix field after sorting.
17238 Thu Jun 17 02:54:30 1999 Jeffrey A Law (law@cygnus.com)
17240 * emit-rtl.c (operand_subword): Tighten checks for when it is safe
17241 to safe to extract a subword out of a REG.
17243 Thu Jun 17 01:45:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17245 * sh.md (mulsi3): Don't add a no-op move at the end.
17247 Wed Jun 16 20:29:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17249 * cse.c (cse_insn): Don't put hard register source into tables for
17250 the last insn of a libcall.
17252 Wed Jun 16 19:44:33 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17254 * loop.c (strength_reduce): Insert sets of derived givs at every
17255 biv increment, even if it's the only one.
17257 Wed Jun 16 10:33:02 1999 Jason Merrill <jason@yorick.cygnus.com>
17259 * dwarfout.c (add_incomplete_type): New fn.
17260 (output_type): Call it.
17261 (retry_incomplete_types): New fn.
17262 (dwarfout_finish): Call it.
17264 From Eric Raskin <ehr@listworks.com>:
17265 (output_type): Output types for bases.
17267 Tue Jun 15 12:51:23 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
17269 * mips.c (mips_output_conditional_branch): Add `break'
17270 between `default' label and `close braces'.
17272 Tue Jun 15 01:55:20 1999 David O'Brien <obrien@FreeBSD.org>
17274 * i386/freebsd-elf.h (LINK_SPEC): clean up the linking library
17275 specifications and make it realistic.
17276 (LIB_SPEC): Likewise.
17278 Mon Jun 14 15:38:43 1999 Jim Wilson <wilson@cygnus.com>
17280 * config/mips/mips.c (mips_secondary_reload_class): Check for
17281 (PLUS (SP) (REG)) and return appropriate register class.
17282 * config/mips/mips.md (reload_insi): Delete predicate for operand 1.
17283 Handle (PLUS (SP) (REG)).
17284 (tablejump): In mips16 code, use emit_insn instead of emit_jump_insn.
17285 (tablejump_mips161, tablejump_mips162): Use emit_jump_insn instead
17286 of emit_insn for tablejump.
17288 Mon Jun 14 17:26:40 1999 David Edelsohn <edelsohn@gnu.org>
17290 * rs6000.c (output_prolog): RS6000_CALL_GLUE must be
17291 asm_fprintf format string by itself.
17292 (output_function_profiler): Likewise.
17294 Mon Jun 14 12:57:38 1999 David Mosberger <davidm@hpl.hp.com>
17296 * combine.c (simplify_logical, case AND): Only call
17297 simplify_and_const_int if the mode is no wider than HOST_WIDE_INT
17298 or the constant is positive.
17300 Mon Jun 14 11:43:41 1999 Nick Clifton <nickc@cygnus.com>
17302 * configure.in: Fix typo in rs6000-ibm-aix4 case.
17303 * configure: Regenerate.
17305 Mon Jun 14 03:55:40 1999 Jeffrey A Law (law@cygnus.com)
17307 * configure.in (rs6000-ibm-aix4.3*, powerpc-ibm-aix4.3*): Do not
17308 require a sub-version #.
17309 * configure: Rebuilt.
17311 1999-06-14 Robert Lipe (robertlipe@usa.net)
17313 * svr4.h (DWARF2_DEBUGGING_INFO): Check for redefinition.
17315 Mon Jun 14 10:30:52 BST 1999 Nathan Sidwell <nathan@acm.org>
17317 * c-typeck.c (process_init_element): Detect excess elements in
17318 char array initializer.
17320 1999-06-14 Andreas Jaeger <aj@arthur.rhein-neckar.de>
17322 * gcc.texi: Mention gcc 2.96 instead of egcs 1.00.
17324 Sat Jun 12 22:29:48 EDT 1999 Jerry Quinn <jquinn@nortelnetworks.com>
17326 * invoke.texi (Option Summary): Add -fpermissive flag.
17328 Sat Jun 12 03:40:42 1999 Jeffrey A Law (law@cygnus.com)
17330 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Do nothing with operands
17331 that require PIC code sequences.
17333 Wed Jun 9 16:29:01 1999 Nick Clifton <nickc@cygnus.com>
17335 * configure.in: Add new target: thumb-elf.
17336 * configure: Regenerate.
17337 * config/arm/t-thumb-elf: New file: Makefile fragment for
17339 * config/arm/telf.h: New file: Header file for thumb-elf
17342 Fri Jun 11 03:17:51 1999 Jeffrey A Law (law@cygnus.com)
17344 * Makefile.in (libgcc2): Pass MAYBE_USE_COLLECT2 as an argument.
17345 * libgcc2.c (__CTOR_LIST, __DTOR_LIST); Do not provide
17346 initializers is some circumstances.
17348 * fixinc/inclhack.def (endif_label): Add additional selector for
17349 more bogus stuff after #endif statements.
17350 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
17352 Thu Jun 10 20:44:36 1999 Mumit Khan <khan@xraylith.wisc.edu>
17354 * i386/cygwin.h (SET_ASM_OP): Define.
17356 Thu Jun 10 20:37:57 1999 Mumit Khan <khan@xraylith.wisc.edu>
17358 * reg-stack.c (stack_reg_life_analysis): Find all the RETURN insns.
17360 Thu Jun 10 19:23:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17362 * sh.h (TARGET_HARWARD, TARGET_HARVARD): Changed the former to the
17365 * sh.md (ic_invalidate_line_i): Remove second alternative.
17367 Thu Jun 10 06:55 1999 Bruce Korb <ddsinc09@ix.netcom.com>
17369 *fixinc/inclhack.def(sun_auth_proto): We do not know how to
17370 test for the presence of valid prototypes. Delete bypass expr.
17371 (ioctl_fix_ctrl): Correct the selection expression.
17372 (no_double_slash): Correct quoting rules
17373 *fixinc/fixincl.x: regen
17374 *fixinc/inclhack.sh: regen
17376 Thu Jun 10 15:08:15 1999 Nick Clifton <nickc@cygnus.com>
17378 * config/arm/arm.c (struct all_cores): Add ARM920 and ARM920t.
17380 Wed Jun 9 15:57:57 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
17382 * rs6000.md (movsi_got_internal_mem): Delete.
17383 * rs6000.h (CONDITIONAL_REGISTER_USAGE): Mark PIC_OFFSET_TABLE_REGNUM.
17384 (GOT_TOC_REGNUM): Delete.
17385 (PIC_OFFSET_TABLE_REGNUM): Define.
17386 (FINALIZE_PIC): Disable.
17387 * rs6000.c (rs6000_got_register): New code for fixed pic register.
17388 (rs6000_replace_regno): Delete.
17389 (rs6000_finalize_pic): Likewise.
17390 (output_prolog): Handle PIC_OFFSET_TABLE_REGNUM.
17392 Wed Jun 9 19:44:26 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17394 * loop.c (loop_insn_first_p): Don't compare LUIDs when P
17395 is a note; use <= for the compare; advance P while it is
17398 Wed Jun 9 13:12:24 1999 Jeffrey A Law (law@cygnus.com)
17400 * fixinc/inclhack.def (no_double_slash): Fix quoting for test.
17401 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh; Rebuilt.
17403 * varasm.c (remove_from_pending_weak_list): Verify t->name
17404 is non-NULL before passing it to strcmp.
17406 Wed Jun 9 06:50 1999 Bruce Korb <ddsinc09@ix.netcom.com>
17408 *fixinc/inclhack.def(sun_auth_proto): bypass the patch if
17409 the typed arguments are not part of a comment
17410 (ioctl_fix_ctrl): Added a purpose comment
17411 *fixinc/fixincl.x: regenerate
17412 *fixinc/inclhack.sh: regenerate
17414 Wed Jun 9 22:57:02 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17416 * invoke.texi: Add C4x invocation docs.
17418 Wed Jun 9 22:34:38 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17420 * config/c4x/c4x.h (TARGET_EXPOSE_LDP, LEGITIMIZE_RELOAD_ADDRESS):
17422 * config/c4x/c4x.c (c4x_emit_move_sequence, src_operand): Use
17424 (c4x_legitimize_reload_address): New function.
17425 * config/c4x/c4x.md: Update docs.
17427 Wed Jun 9 04:14:48 1999 Jeffrey A Law (law@cygnus.com)
17429 * fixincludes: Avoid removing '.'.
17430 * fixinc/fixinc.svr4: Likewise.
17431 * fixinc/fixinc.winnt: Likewise.
17432 * fixinc/inclhack.tpl: Likewise.
17433 * fixinc/fixincl.sh, fixinc/inclhack.sh: Rebuilt.
17435 1999-06-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17437 * fixinc/inclhack.def (sun_catmacro): Escape parens in the select
17439 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuilt.
17441 Wed Jun 9 03:10:34 1999 Mumit Khan <khan@xraylith.wisc.edu>
17443 * c-pragma.c (handle_pragma_token): Handle `#pragma pack()'
17446 Tue Jun 8 13:06:15 1999 Jim Wilson <wilson@cygnus.com>
17448 * configure.in (rs6000-ibm-aix4.[12]*): Change rx6000 to rs6000.
17449 * configure: Regenerate.
17451 Tue Jun 8 05:47:48 1999 Richard Earnshaw (rearnsha@arm.com)
17453 * optabs.c (expand_cmplxdiv_wide): Use expand_abs to get the absolute
17456 Mon Jun 7 22:30:37 1999 Jeffrey A Law (law@cygnus.com)
17458 * fixinc/inclhack.def (avoid_bool): Also catch
17459 "typedef [unsigned] int bool".
17460 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
17462 * m68k/x-hp3bsd44: Delete obsolete and incorrect file.
17463 * configure.in (m68k-hp-bsd4.4): No longer use x-hp3bsd44.
17464 * configure: Rebuilt.
17466 Mon Jun 7 22:05:03 1999 Mark Kettenis <kettenis@gnu.org>
17468 * config/i386/gnu.h: Include <gnu.h> right after <i386/linux.h>,
17469 such that we can override its definitions if necessary.
17470 (CPP_SPEC): New define. Support processor specific predefines via
17472 (CC1_SPEC): New define. Support processor specific compiler
17473 options via %(cc1_cpu).
17474 (STARTFILE_SPEC): New define. Use crt0.o instead of crt1.o for
17477 1999-06-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17479 * fixinc/inclhack.def (math_gcc_ifndefs): Insert whitespace
17480 between sed's -e flag, and the open-quote following it.
17481 * fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
17483 Mon Jun 7 20:34:20 1999 Robert Lipe <robertlipe@usa.net>
17484 Jeffrey A Law (law@cygnus.com)
17486 * varasm.c (assemble_start_function): Remove the function
17487 from the pending weak decls list when we define a function.
17488 (assemble_variable): Similarly for variables.
17489 (weak_finish): Ignore items on the list with a NULL name.
17490 (remove_from_ending_weak_list); New function to "remove" an item
17491 from the pending weak declarations list.
17493 Mon Jun 7 19:27:07 1999 Jerry Quinn <jquinn@nortelnetworks.com>
17495 * pa.md (fmpyfadd, fmpynfadd, fnegabs): New patterns.
17497 Mon Jun 7 14:07:39 1999 Dave Brolley <brolley@cygnus.com>
17499 * c-lex.c (GETC): Redefine to call getch.
17500 (UNGETC): Redefine to call put_back.
17501 (putback_buffer): New structure type.
17502 (putback): New static structure.
17503 (getch): New function.
17504 (put_back): New function.
17505 (yylex): Replace unused bytes from bad multibyte character.
17507 Mon Jun 7 13:33:39 1999 Dave Brolley <brolley@cygnus.com>
17509 * cpplib.c (do_define): Cast `alloca' return value.
17510 (do_include, do_undef, do_pragma): Likewise.
17511 * cpphash.c (dump_definition): Cast `xstrdup' and `alloca' return
17513 * cppfiles.c (initialize_input_buffer): Cast `xmalloc' return values.
17514 * gcc/cppspec.c (lang_specific_driver): Cast xmalloc return value.
17516 Sun Jun 6 11:58:34 1999 Jakub Jelinek <jj@ultra.linux.cz>
17518 * sparc.md (abstf2): This should be an expand.
17519 (split after abstf2_notv9): Fix mode.
17520 (abstf2_hq_v9): New pattern.
17521 (abstf2_v9): Only use when no hard quad.
17522 (absdf2_v9): Fix if target is not the same as source.
17523 (ashrsi3_extend, ashrsi3_extend2, lshrsi3_extend, lshrsi3_extend2):
17524 Add correct output constraints.
17526 Sat Jun 5 17:04:16 1999 Craig Burley <craig@jcb-sc.com>
17528 From Dave Love to egcs-patches on 20 May 1999 17:38:38 +0100:
17529 * invoke.texi: Clarify text vis-a-vis Intel CPUs.
17531 Sat Jun 5 12:11:24 1999 Mark Mitchell <mark@codesourcery.com>
17533 * mips.h (mips_output_conditional_branch): New function.
17534 (mips_adjust_insn_length): Likewise.
17535 (ASSEMBLER_SCRATCH_REGNUM): New macro.
17536 (ADJUST_INSN_LENGTH): Likewise.
17537 * mips.c (print_operand): Add `F' and `W' for floating-point
17538 comparison opcodes.
17539 (machine_dependent_reorg): Adjust MIPS16 code; instruction-lengths
17541 (mips_adjust_insn_length): New function.
17542 (mips_output_conditional_branch): New function.
17543 * mips.md (length): Adjust attribute definition to handle
17544 conditional branches. Change lengths to bytes, rather than
17545 instructions throughout. Remove length attribute from
17546 instructions whose length is four bytes, and rely on the default
17548 (dslot): Fix typo in comment.
17549 Reword conditional branch patterns to use
17550 mips_output_conditional_branch.
17552 Fri Jun 4 13:30:27 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
17554 * alpha/osf.h (CPP_SUBTARGET_SPEC): Handle -threads.
17555 (LIB_SPEC): Likewise.
17556 Link with -lprof1_r for -g/-pg.
17558 1999-06-04 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
17560 * loop.c (check_dbra_loop): Fix change of Jan 19.
17562 Fri Jun 4 00:12:40 1999 Marc Espie <espie@cvs.openbsd.org>
17564 * freebsd-elf.h (SWITCH_TAKES_ARG): Redefine, not define.
17565 (STARTFILE_SPEC): Define, override the svr4.h version.
17566 (ENDFILE_SPEC): Likewise.
17568 Thu Jun 3 23:58:55 1999 Jeffrey A Law (law@cygnus.com)
17570 * fixinc/inclhack.def (limits_ifndefs): Also apply to sys/limits.h
17571 * fixinc/fixincl.x: Regenerated.
17572 * fixinc/inclhack.sh: Regenerated.
17574 Fri Jun 4 05:42:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17576 * sh.c (barrier_align): Don't return early for normal branch/barrier
17577 when optimizing for SH2.
17579 Thu Jun 3 22:27:50 1999 Robert Lipe <robertlipe@usa.net>
17581 * i386/udk.h (LINK_SPEC): Correct linker search path for
17584 Fri Jun 4 03:20:40 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17586 * sh.c (fixup_addr_diff_vecs): Emit braf reference label.
17587 (braf_label_ref_operand): Delete.
17588 * sh.h (PREDICATE_CODES): Remove braf_label_ref_operand.
17589 * sh.md (casesi_jump_2): Operand1 is now the inside of a
17590 label_ref, and has no predicate.
17591 The patten has a predicate to guard against invalid substitutions.
17592 (dummy_jump): Delete.
17593 (casesi): Update use of casesi_jump_2.
17595 Thu Jun 3 07:48 1999 Bruce Korb <ddsinc09@ix.netcom.com>
17597 *fixinc/inclhack.def(Io_Def_Quotes): corrected sed expression
17598 *fixinc/fixincl.x: regenerate
17599 *fixinc/inclhack.sh: regenerate
17601 Thu Jun 3 02:15:07 1999 Jason Merrill <jason@yorick.cygnus.com>
17603 * dwarf2out.c (add_incomplete_type): New fn.
17604 (gen_struct_or_union_type_die): Call it.
17605 (retry_incomplete_types): New fn.
17606 (dwarf2out_finish): Call it.
17608 Thu Jun 3 01:19:03 1999 Jeffrey A Law (law@cygnus.com)
17610 * gcse.c (insert_insn_end_bb): Correct placement of insns when the
17611 current block starts with a CODE_LABEL and ends with a CALL and
17612 we can not find all the argument setup instructions for the CALL.
17614 Wed Jun 2 15:44:15 1999 Mark Mitchell <mark@codesourcery.com>
17616 Revert this change:
17617 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
17618 something is a candidate for optimize_bit_field_compare.
17620 Wed Jun 2 21:53:05 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17622 * sh.h (CONST_OK_FOR_I, CONST_OK_FOR_L): Cast VALUE to HOST_WIDE_INT.
17624 Wed Jun 2 12:25:55 1999 Richard Henderson <rth@cygnus.com>
17626 * alpha.c (override_options): Thinko in last patch.
17628 * alpha/osf.h (CPP_SUBTARGET_SPEC): Define.
17629 (LIB_SPEC): Recognize -pthread.
17631 Wed Jun 2 08:42:55 1999 Nick Clifton <nickc@cygnus.com>
17633 * config/arm/tcoff.h (USER_LABEL_PREFIX): Synchronise with
17634 definition in config/arm/coff.h
17635 * config/arm/coff.h: Add comment about USER_LABEL_PREFIX.
17637 Wed Jun 2 07:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
17639 * fixinc/fixincl.c(global def): Add FD_SHELL_SCRIPT to mark
17640 fixes that need "file=xxx\n" prepended before invocation
17641 (start_fixer - new): starting the fixer process is complex enough
17642 to warrent its own routine. It prepends the "file=xxx\n" stuff.
17643 (process): uses the new routine; omit usage of putenv()
17644 * fixinc/fixincl.tpl: mark shell scripts with FD_SHELL_SCRIPT
17645 * fixinc/fixincl.x: regenerate
17647 Wed Jun 2 02:29:07 1999 Jeffrey A Law (law@cygnus.com)
17649 * README, configure.in, gcc.1, gcc.texi: Update name (egcs -> gcc)
17650 and version #s (1.1 -> 2.96) as needed.
17651 * README.g77: Kill way out of date file in the toplevel directory.
17653 Wed Jun 2 00:52:34 1999 David O'Brien <obrien@FreeBSD.org>
17655 * configure.in (i[34567]86-*-freebsdelf): Don't include linux.h,
17656 i386/freebsd-elf.h no longer requires it. Instead include svr4.h.
17657 * configure: Rebuilt.
17658 * i386/freebsd-elf.h (DEFAULT_VTABLE_THUNKS): Define.
17659 (ASM_COMMENT_START, ASM_APP_ON, ASM_APP_OFF, SET_ASM_OP): Likewise.
17660 (PREFERRED_DEBUGGING_TYPE, WCHAR_UNSIGNED): Likewise.
17661 (SWITCH_TAKES_ARG): Likewise.
17662 * i386/freebsd.h: Remove FREEBSD_NATIVE support.
17663 * config/t-freebsd: Moved from config/i386/ so it can used for all
17666 Mon May 31 02:22:55 1999 Philippe De Muyter <phdm@macqel.be>
17668 * m68k/x-mot3300 (XCFLAGS): Fixed to match stb.o, not f/stb.o.
17670 Wed Jun 2 00:08:34 1999 Robert Lipe <robertlipe@usa.net>
17672 * configure.in (i[34567]86-*-udk*): Install headers with cpio.
17673 * configure: Rebuilt.
17675 Tue Jun 1 19:06:22 1999 David Edelsohn <edelsohn@gnu.org>
17677 * rs6000/aix41.h (RS6000_CALL_GLUE): Define.
17678 * rs6000/aix43.h (RS6000_CALL_GLUE): Likewise.
17679 * rs6000/rs6000.c (rs6000_file_start): Use putc.
17680 (rs6000_output_load_toc_table): Same.
17681 (output_prolog, output_mi_thunk): Same.
17682 * rs6000/rs6000.h (SELECT_SECTION): Formatting.
17683 (ASM_GLOBALIZE_LABEL): Use putc.
17685 Mon May 31 15:23:23 1999 Richard Henderson <rth@cygnus.com>
17687 * alpha.md (reload_*_help): New patterns and splitters.
17688 (reload_*): Use them.
17689 (mov[qh]i): Likewise.
17691 Mon May 31 11:48:07 1999 Mark Mitchell <mark@codesourcery.com>
17693 * cccp.c (handle_directive): Handle backslash-newlines in quoted
17696 Mon May 31 09:36:11 1999 Cort Dougan <cort@cs.nmt.edu>
17698 * rs6000/linux.h (LINK_SPEC): Use emulation elf32ppclinux.
17700 Mon May 31 11:40:20 EDT 1999 John Wehle (john@feith.com)
17702 * flow.c (mark_regs_live_at_end, insn_dead_p,
17703 mark_set_1, mark_used_regs): Only give FRAME_POINTER_REGNUM
17704 and HARD_FRAME_POINTER_REGNUM special treatment if reload
17705 hasn't run or the frame pointer is needed.
17706 * haifa-sched.c (attach_deaths): Likewise.
17707 * sched.c (attach_deaths): Likewise.
17709 Mon May 31 00:46:17 1999 Jeffrey A Law (law@cygnus.com)
17711 * jump.c (jump_optimize_1): Only set CAN_REACH_END if
17712 calculate_can_reach_end returns nonzero.
17714 * configure.in (native gas tests): Search for an assembler in the
17715 same manner that the installed compiler will.
17716 * configure: Rebuilt.
17717 * tm.texi (MD_EXEC_PREFIX): Note need to update configure.in too.
17719 * alias.c (find_base_term): Improve handling of addresses
17720 constructed from binary operations.
17722 Sun May 30 14:29:17 1999 Eric Raskin (ehr@listworks.com)
17724 * dgux.h (STARTFILE_SPEC): Fix incorrectly matched curly-braces.
17726 Sun May 30 14:19:13 1999 Jeffrey A Law (law@cygnus.com)
17728 * function.h (cleanup_label, frame_offset): Declare.
17729 (tail_recursion_label, tail_recursion_reentry): Likewise.
17730 (arg_pointer_save_area, rtl_expr_chain): Likewise.
17731 * stmt.c (cleanup_label, frame_offset): Delete extern declarations.
17732 (tail_recursion_label, tail_recursion_reentry): Likewise.
17733 (arg_pointer_save_area, rtl_expr_chain): Likewise.
17735 Sat May 29 19:08:10 1999 Philip Blundell <philb@gnu.org>
17737 * config/arm/aout.h (ASM_OUTPUT_ALIGN): Only define if not already
17739 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Define.
17740 (MAX_OFILE_ALIGNMENT): Define.
17742 Fri May 28 21:40 1999 Robert Lipe <robertlipe@usa.net>
17744 * fixincl.c: Replace local include scheme with #includes of
17745 gansidecl.h and system.h.
17746 * procopen.c: Likewise.
17747 * server.c: Likewise.
17749 Fri May 28 03:47:03 1999 Eric Raskin (ehr@listworks.com)
17751 * i386/t-dgux (EXTRA_PARTS): Add crti.o
17752 (crti.o): Add build rule and dependencies.
17753 * fixinc/fixinc.dgux: Use modified _int_varargs.h
17755 Fri May 28 03:41:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
17757 * rs6000/sysv4.h (CC1_SPEC): Add support for -profile
17758 (LIB_LINUX_SPEC): Likewise.
17759 (LIB_LINUX_SPEC): Add support for -pthread
17760 (CPP_OS_LINUX_SPEC): Likewise.
17761 (CPP_SYSV_SPEC): Avoid redefinitions if both -fpic and -fPIC are
17764 Thu May 27 13:04:52 1999 H.J. Lu (hjl@gnu.org)
17766 * i386.c (output_fp_cc0_set): Don't check the JUMP_INSN code for
17768 (notice_update_cc, output_float_compare): Enable TARGET_CMOVE support.
17769 (output_float_compare, output_fp_cc0_set): Fix the FLOAT comparison
17770 for IEEE math and CC_FCOMI.
17771 (put_jump_code): No IEEE if CC_FCOMI is set.
17773 1999-05-27 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
17775 * fold-const.c (fold_truthop): Make the field reference unsigned
17776 when converting a single bit compare.
17778 Thu May 27 02:40:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17780 * loop.c (strength_reduce): Don't do biv->giv conversion on constants.
17782 Thu May 27 02:09:27 1999 Jeffrey A Law (law@cygnus.com)
17784 * varasm.c (STRIP_NAME_ENCODING): Remove default definition.
17785 * output.h (STRIP_NAME_ENCODING): Strip '*' like the old varasm
17788 * reload.c (push_reload): Do not call remove_address_replacements
17789 when presented with identical optional reloads.
17791 Wed May 26 14:18:05 1999 Richard Henderson <rth@cygnus.com>
17793 * alpha.h (MASK_FIX, TARGET_FIX): New.
17794 (MASK_*): Reorganize constants.
17795 (CPP_AM_FIX_SPEC): New.
17796 (TARGET_SWITCHES): Add FIX.
17797 (EXTRA_SPECS): Likewise.
17798 (CPP_CPU_EV6_SPEC): Use FIX, not CIX.
17799 (SECONDARY_MEMORY_NEEDED): Likewise.
17800 (REGISTER_MOVE_COST): Likewise.
17801 * alpha.c (override_options): Add FIX support. Always use
17802 ALPHA_TP_PROG for ev6.
17803 * alpha.md (sqrt and mov[sd]i patterns): Use FIX, not CIX.
17804 * alpha/elf.h (ASM_FILE_START): Look at FIX too.
17805 * configure.in (target_cpu_default2) [ev6]: Use FIX, not CIX.
17807 Wed May 26 09:53:05 1999 Mark Mitchell <mark@codesourcery.com>
17809 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
17810 something is a candidate for optimize_bit_field_compare.
17812 Wed May 26 09:40:02 1999 Mark Mitchell <mark@codesourcery.com>
17814 * gcc.texi (Passes): Document branch-shortening.
17815 * invoke.texi (Debugging Options): Document the fact that `-dp'
17816 outputs length information for instructions.
17818 Wed May 26 08:49:31 1999 Nick Clifton <nickc@cygnus.com>
17820 * flow.c: Revert previous delta.
17822 Wed May 26 06:05:10 1999 Nick Clifton <nickc@cygnus.com>
17824 * flow.c (insn_dead_p): Check against frame_pointer_rtx not
17825 FRAME_POINTER_REGNUM.
17826 (mark_set_1): Ditto.
17827 (mark_used_regs): Ditto.
17829 Wed May 26 02:19:31 1999 Philip Blundell <pb@nexus.co.uk>
17831 * arm.h (NEED_PLT_GOT): Fix mistake in last change.
17832 (GOT_PCREL): New macro. Define to 1 if not already defined.
17833 * arm/elf.h (GOT_PCREL): Define to 0.
17834 * arm.c (arm_finalize_pic): Take into account the setting of
17837 Tue May 25 14:06:06 1999 Jeffrey A Law (law@cygnus.com)
17839 * output.h (STRIP_NAME_ENCODING): Provide default definition.
17840 * dwarf2out.c (ASM_NAME_TO_STRING): Use STRIP_NAME_ENCODING.
17842 * flow.c (mark_set_1): Do not record BLKmode stores as dead
17843 store elimination candidates.
17845 Tue May 25 08:55:57 1999 Gavin Romig-Koch <gavin@cygnus.com>
17847 * config/mips/mips.h (ASM_OUTPUT_DOUBLE_INT) : Use 'dword' if
17850 Mon May 24 20:30:08 1999 Jim Wilson <wilson@cygnus.com>
17852 * configure.in (rs6000-ibm-aix4.[12]*): Delete use of aix41-gld.h.
17853 Add use of x-aix41-gld.
17855 Mon May 24 16:44:09 1999 Jakub Jelinek <jj@ultra.linux.cz>
17857 * sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Define.
17858 (ASM_OUTPUT_DESTRUCTOR): Define.
17860 Mon May 24 14:35:24 1999 Jeffrey A Law (law@cygnus.com)
17862 * loop.c (strength_reduce): Do not clear NOT_EVERY_ITERATION at the
17863 last CODE_LABEL in a loop if we have previously passed a jump
17864 to the top of the loop.
17866 Mon May 24 07:56:29 1999 Nick Clifton <nickc@cygnus.com>
17868 * config/arm/arm.h (OUTPUT_INT_ADDR_CONST): Fix blunder made when
17869 applying Philip's patch.
17871 Mon May 24 01:02:12 1999 Mark Mitchell <mark@codesourcery.com>
17873 * stmt.c (expand_end_bindings): Ignore any elements of VARS that
17876 Sun May 23 20:31:16 1999 Jeffrey A Law (law@cygnus.com)
17878 * loop.c (strength_reduce): Grow reg_single_usage as needed.
17880 Sun May 23 10:13:20 1999 David O'Brien <obrien@FreeBSD.org>
17882 * i386/freebsd-elf.h (LINK_SPEC): Change -static to -Bstatic.
17883 Also remove a useless comment.
17885 Sun May 23 10:05:23 1999 Jerry Quinn <jquinn@nortelnetworks.com>
17887 * pa.md (negdf2,negsf2): Use fneg instead of fsub on pa 2.0.
17889 Sat May 22 21:02:06 1999 David Edelsohn <edelsohn@gnu.org>
17891 * collect2.c (main): Only generate import or export file and add
17892 to link arguments if non-empty. Use xmalloc not alloca.
17893 (write_{export,import}_file): Delete.
17894 (write_aix_file): New function.
17895 (locatelib): Use xmalloc not malloc.
17896 (GCC_OK_SYMBOL): Do not check type if aix64.
17898 Sat May 22 09:35:51 1999 Philip Blundell <pb@nexus.co.uk>
17900 Based on patch by Scott Bambrough and Pat Beirne:
17901 * config/arm/arm.c (making_const_table): New variable.
17902 * config/arm/arm.h (making_const_table): Declare.
17903 (OUTPUT_INT_ADDR_CONST): Mark symbols as position independent if
17905 * config/arm/arm.md (consttable_4, consttable_8, consttable_end):
17906 Keep track of when we are building the constant table.
17908 Sat May 22 09:34:22 1999 Philip Blundell <pb@nexus.co.uk>
17910 * config/arm/arm.c (arm_override_options): Fix erroneous warning
17913 Sat May 22 09:06:33 1999 Nick Clifton <nickc@cygnus.com>
17915 * config/arm/arm.h (NEED_PLT_GOT): Only define if not already
17918 Sat May 22 07:17:05 1999 Nick Clifton <nickc@cygnus.com>
17920 * tm.texi (FUNCTION_ARG): Correct description of a stack element
17923 Sat May 22 01:27:49 1999 Mark Mitchell <mark@codesourcery.com>
17925 * expr.h (lang_expand_constant): Guard with #ifdef TREE_CODE.
17927 Fri May 21 21:19:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
17929 * rs6000.c (output_mi_thunk): Enable full support again.
17931 Fri May 21 20:09:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17933 * sh.h (BRANCH_COST): Define.
17935 Thu May 20 10:00:42 1999 Stephen L Moshier <moshier@world.std.com>
17937 * Makefile.in (GCC_FOR_TARGET): Add -I$(build_tooldir)/include.
17939 Thu May 20 09:58:57 1999 Jan Hubicka <hubicka@freesoft.cz>
17941 * function.c (assign_stack_local): Align stack slot propertly.
17942 (assign_outer_stack_local): Likewise.
17944 Thu May 20 10:38:43 1999 Mark Mitchell <mark@codesourcery.com>
17946 * expr.h (lang_expand_constant): Declare.
17947 * toplev.c (lang_expand_constant): Define it.
17948 * varasm.c (output_constant): Use it.
17950 Thu May 20 11:28:53 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17952 * optabs.c (expand_cmplxdiv_straight, expand_cmplxdiv_wide):
17953 Change function definitions to K&R style.
17955 Thu May 20 08:16:39 1999 Bruce Korb <ddsinc09@ix.netcom.com>
17957 * fixinc/fixincl.c: We must not ignore SIGCLD now.
17959 Thu May 20 07:06:39 1999 Alexandre Oliva <aoliva@acm.org>
17961 * fixinc/Makefile.in(gnu-regex.o): add $(INCLUDES) to compile options
17962 * fixinc/fixincl.c(wait_for_pid): K&R-ify arguments
17963 (several places): omit static initialization
17964 (process): use single fd, since only the read fd is used
17965 * fixinc/gnu-regex.c: define 'const' away, if not supported
17966 * fixinc/procopen.c(several places): omit static initialization
17967 * fixinc/server.c: define 'volitile' away, if not supported
17969 1999-05-20 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
17971 * config/dbxcoff.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Use
17972 asm_fprintf and %L to generate the label name.
17973 * config/dbxelf.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Likewise.
17974 (ASM_OUTPUT_SOURCE_LINE): Correct generation of internal labels.
17976 Thu May 20 01:40:55 1999 Jeffrey A Law (law@cygnus.com)
17978 * jump.c (can_reverse_comparison_p): Do not abort if the comparison
17979 insn for a conditional jump can not be found.
17981 Wed May 19 23:58:58 1999 Jeffrey A Law (law@cygnus.com)
17983 * mips.h (ENCODE_SECTION_INFO): Do not perform GP optimizations
17984 on variables in specific sections other than .sbss and .sdata.
17986 Wed May 19 03:56:56 1999 Mark Mitchell <mark@codesourcery.com>
17988 * stmt.c (expand_return): Call start_cleanup_deferral and
17989 end_cleanup_deferral around conditional code.
17991 Wed May 19 08:40:08 1999 Bruce Korb <ddsinc09@ix.netcom.com>
17993 * fixinc/fixincl.tpl: Avoid depending on ANSI C features for
17994 filename lists. Utilizes new "krstr" AutoGen function.
17995 * fixinc/fixincl.x: Rebuilt.
17997 Wed May 19 02:47:11 1999 Jan Hubicka (hubicka@freesoft.cz)
17999 * i386.c (output_float_compare): Avoid GNU-C extensions.
18001 Wed May 19 00:34:40 1999 Jeffrey A Law (law@cygnus.com)
18003 * version.c: Bump to distinguish mainline tree from the
18006 See ChangeLog.1 for earlier changes.