1 Tue Nov 9 14:55:44 1999 Nick Clifton <nickc@cygnus.com>
3 * config/m32r/m32r-protos.h: New file: Prototypes for functions
6 * config/m32r/m32r.h: Move prototypes to m32r-protos.h
7 Add support for subtargets.
8 Add prototypes for new predicates.
11 * config/m32r/m32r.c: Fix compile time warnings.
12 (int8_operand): New predicate function.
13 (reg_or_cmp_int16_operand): New predicate function.
14 (extend_operand): New predicate function.
15 (m32r_adjust_code): New scheduling function.
16 (m32r_adjust_priorty): New scheduling function.
17 (m32r_sched_init): New scheduling function.
18 (m32r_sched_reorder): New scheduling function.
19 (m32r_sched_variable_issue): New scheduling function.
20 (direct_return): New codegen function.
21 (m32r_not_same_reg): New rtl testsing function.
23 * config/m32r/m32r.md: Fix compile time warnings.
24 Add support for pre decrement and post increment memory
29 Mon Nov 8 22:20:13 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
31 * global.c (EXECUTE_IF_CONFLICT): Don't define.
32 (prune_preferences): Use EXECUTE_IF_SET_IN_ALLOCNO_SET instead.
35 Mon Nov 8 13:16:46 1999 Jason Eckhardt <jle@cygnus.com>
37 * config/pa/pa.md (fmpynfadd,{sgl,dbl} insns): Use %fr0 rather than 0
38 to avoid assembler errors.
40 Mon Nov 8 15:38:41 1999 Nick Clifton <nickc@cygnus.com>
42 * config/v850/v850-protos.h: New file: Prototypes for functions
44 * config/v850/v850.h: Move prototypes to v850-protos.h
45 * config/v850/v850.c: Move prototypes to v850-protos.h
46 * config/v850/v850.md: Fix compile time warnings.
48 * config/fr30/fr30-protos.h: New file: Prototypes for functions
50 * config/fr30/fr30.h: Move prototypes to fr30-protos.h
51 * config/fr30/fr30.c: Fix compile time warnings.
52 * config/fr30/fr30.md: Fix compile time warnings.
54 Mon Nov 8 07:25:37 1999 Mark Mitchell <mark@codesourcery.com>
56 * tree.h (get_containing_scope): Declare it.
57 * tree.c (get_containing_scope): New fucntion.
58 (decl_function_context): Use it.
59 * toplev.c (rest_of_compilation): Use get_containing_scope.
61 aMon Nov 8 03:03:07 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
63 * Makefile.in (rtl.o): Depend on toplev.h.
65 Sun Nov 7 20:55:14 1999 Mark Mitchell <mark@codesourcery.com>
67 * cse.c (delete_trivially_dead_insns): Replace alloca with
69 * except.c (update_rethrow_references): Likewise.
70 (init_eh_nesting_info): Likewise.
71 * function.c (identify_blocks): Likewise.
72 * gcse.c (dump_hash_table): Likewise.
73 * graph.c (print_rtl_graph_with_bb): Likewise.
74 * loop.c (combine_movables): Likewise.
75 (move_movables): Likewise.
76 (count_loop_regs_set): Likewise.
77 (strength_reduce): Likewise.
78 * profile.c (compute_branch_probabilities): New function, split
80 (branch_prob): Here. Replace alloca with xmalloc/xcalloc.
81 * regclass.c (regclass): Likewise.
82 * regmove.c (regmove_optimize): Likewise.
83 * toplev.c (compile_file): Likewise.
84 (main): Don't mess with the stack rlimit.
86 Sun Nov 7 19:41:17 1999 Catherine Moore <clm@cygnus.com>
88 * config/elfos.h (ASM_DECLARE_FUNCTION_NAME): Conditionally define.
89 (ASM_DECLARE_FUNCTION_SIZE): Conditionally define.
91 Sun Nov 7 10:23:28 1999 Mark P. Mitchell <mark@codesourcery.com>
93 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns.
95 Sun Nov 7 02:58:48 1999 Jeffrey A Law (law@cygnus.com)
97 * global.c (EXECUTE_IF_CONFLICT): Undo Robert's change.
98 (EXECUTE_IF_SET_IN_ALLOCNO_SET): Put curleys around CODE in
101 Sat Nov 6 23:48:30 1999 Robert Lipe (robertlipe@usa.net)
103 * global.c (EXECUTE_IF_CONFLICT): Correct quoting typo.
105 Sat Nov 6 17:34:39 1999 Jeffrey A Law (law@cygnus.com)
107 * gcse.c (post_dominators): Kill.
108 (alloc_code_hoist_mem, free_code_hoist_mem); Kill post_dominators.
109 (compute_code_hoist_data): Use compute_flow_dominators. Do not
110 pass in a pdom array since we do not need pdoms.
111 * haifa-sched.c (schedule_insns): Similarly.
112 * flow.c (compute_dominators): Remove dead function.
113 (compute_flow_dominators): Do not compute doms or pdoms if the
114 caller does not request them. Split up loop to build doms and
115 pdoms. Use a worklist to compute doms and pdoms.
116 * basic-block.h (compute_dominators): Remove prototype.
118 Sat Nov 6 11:38:39 1999 Richard Henderson <rth@cygnus.com>
120 * haifa-sched.c (struct haifa_insn_data, h_i_d): New.
121 (insn_luid, insn_priority, insn_costs, insn_units): Remove.
122 (insn_reg_weight, insn_depend, insn_dep_count): Remove.
123 (insn_blockage, insn_ref_count, line_note, insn_tick): Remove.
124 (cant_move, fed_by_spec_load, is_load_insn): Remove.
125 (schedule_region): Remove unused variable.
126 (schedule_insns): Allocate h_i_d, and not all the separate arrays.
128 Sat Nov 6 10:00:34 1999 Mark Mitchell <mark@codesourcery.com>
130 * local-alloc.c (local_alloc): Use xmalloc/xcalloc, not alloca.
131 (update_equiv_regs): Likewise.
132 (block_alloc): Likewise.
133 * reg-stack.c (reg_to_stack): Likewise.
134 (convert_regs_2): Likewise.
135 * reload1.c (reload_as_needed): Likewise.
137 Sat Nov 6 09:57:59 1999 Mark Mitchell <mark@codesourcery.com>
139 * Makefile.in (dbxout.o): Depend on ggc.h.
140 (dwarf2out.o): Likewise.
141 (xcoffout.o): Likewise.
142 * dbxout.c: Include ggc.h.
143 (dbxout_init): Register lastfile as a root.
144 * dwarf2out.c: Include ggc.h.
145 (dwarf2out_line): Register lastfile as a root.
146 * xcoffout.c: Include ggc.h.
147 (xcoffout_source_line): Register xcoff_lastfile as a root.
149 Sat Nov 6 09:52:09 1999 Richard Henderson <rth@cygnus.com>
151 * i386.md (movdf_1, movxf_1): Earlyclobber general regs destination.
153 Sat Nov 6 07:48:59 1999 Catherine Moore <clm@cygnus.com>
155 * config/svr4.h (ASM_DECLARE_FUNCTION): Check if already
157 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
159 Fri Nov 5 18:33:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
161 * global.c (EXECUTE_IF_SET_IN_ALLOCNO_SET): New macro.
162 (EXECUTE_IF_CONFLICT): Likewise.
163 (ALLOCNO_LIVE_P): Avoid signed division.
164 (SET_ALLOCNO_LIVE, CLEAR_ALLOCNO_LIVE): Likewise.
165 (prune_preferences, find_reg): Use EXECUTE_IF_CONFLICT.
166 (record_one_conflict): Use EXECUTE_IF_SET_IN_ALLOCNO_SET.
168 Fri Nov 5 12:04:02 1999 Richard Henderson <rth@cygnus.com>
170 * haifa-sched.c (schedule_block): Don't crash if there's no
171 next insn for an interblock movement.
172 (add_branch_dependences): Don't allow clobber insns to move either.
174 Fri Nov 5 10:18:11 1999 Richard Henderson <rth@cygnus.com>
176 * i386.c (split_xf): New.
177 * i386-protos.h: Declare it.
178 * i386.md (movxf_1): Add general regs alternatives.
179 (movxf_1+1): New splitter for same.
181 Fri Nov 5 12:05:52 1999 Nick Clifton <nickc@cygnus.com>
183 * function.c (purge_addressof_1): Add missing return values.
185 Fri Nov 5 10:07:25 1999 Nick Clifton <nickc@cygnus.com>
187 * function.c (is_addressof): New function. Returns true if
188 the given piece of RTL is an ADDRESSOF.
189 (purge_addressof_1): Make boolean. Return false if the
190 ADDRESSOFs could not be purged.
191 (purge_addressof): If ADDRESSOFs could not be purged from the
192 notes attached to an insn, remove the offending note(s),
193 unless they are attached to a libcall.
195 1999-11-05 Andreas Jaeger <aj@suse.de>
197 * genoutput.c (null_operand =): Initialize all fields.
199 * errors.h: Add extern to prototypes.
201 Fri Nov 5 01:44:09 1999 Jeffrey A Law (law@cygnus.com)
203 * configure.in (m68k-next-nextstep4): Handle Openstep 4.2.
204 * configure: Rebuilt.
206 Fri Nov 5 01:24:37 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
208 * global.c (CONFLICTP, SET_CONFLICT): Avoid signed division.
209 (mirror_conflicts): New function.
210 (global_alloc): Call it.
211 (expand_preferences): Remove redundant CONFLICTP test.
212 (find_reg, dump_conflicts): Likewise.
213 (prune_preferences): Process conflicts one word at a time.
215 Fri Nov 5 01:05:21 1999 Richard Henderson <rth@cygnus.com>
217 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_BITMAP
218 instead of an explicit loop.
220 Thu Nov 4 23:07:14 1999 Jim Wilson <wilson@cygnus.com>
222 * cse.c (cse_insn): Revert Oct 31 change. When computing src_elt,
223 if REG_RETVAL check succeeds, then put classp in src_elt.
225 Thu Nov 4 23:48:14 1999 Jeffrey A Law (law@cygnus.com)
227 * function.c (pad_to_arg_alignment): Only update argument_pad
228 if the argument's alignment is greater than STACK_BOUNDARY.
230 Thu Nov 4 16:44:53 1999 Richard Henderson <rth@cygnus.com>
232 * bitmap.h (BITMAP_XFREE): New.
233 * flow.c (life_analysis): Use it.
234 (life_analysis_1): Free blocks.
236 * combine.c (undo_commit): New.
237 (try_combine): Use it. Don't zap undobuf.undos.
238 (combine_instructions): Don't zap undobuf.undos; free the
241 * local-alloc.c (local_alloc): Free qty_phys_num_sugg.
243 * stmt.c (cost_table_): New.
244 (estimate_case_costs): Use it instead of xmalloc.
246 * toplev.c (compile_file): Reuse dumpname memory instead
249 Thu Nov 4 16:36:44 1999 Richard Henderson <rth@cygnus.com>
251 * reg-stack.c (convert_regs_1): Initialize target_stack->top
252 after verifying an EH edge.
254 * haifa-sched.c (init_rgn_data_dependences): Correctly
255 size bb_pending_lists_length when zeroing.
257 Thu Nov 4 16:36:36 1999 Richard Henderson <rth@cygnus.com>
259 * function.c (diddle_return_value): New.
260 (expand_function_end): Use it.
261 * stmt.c (expand_null_return): Likewise.
262 (expand_value_return): Likewise.
264 * reg-stack.c (subst_stack_regs_pat): Handle clobbers at top-level.
266 * reload1.c (reload): Don't remove return value clobbers.
268 Thu Nov 4 13:33:46 1999 Richard Henderson <rth@cygnus.com>
270 * rtl.c (read_rtx): Use fatal_with_file_and_line not fatal.
272 Thu Nov 4 12:49:52 1999 Richard Henderson <rth@cygnus.com>
274 * cse.c (cse_main): Use xmalloc, not alloca.
275 (cse_basic_block): Likewise.
276 * local-alloc.c (local_alloc): Likewise.
278 Thu Nov 4 14:22:12 1999 David Billinghurst <David.Billinghurst@riotinto.com.au>
279 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
281 * rtl.c: Include toplev.h.
282 (fatal): Remove declaration.
284 Thu Nov 4 06:39:47 1999 Jeffrey A Law (law@cygnus.com)
286 * haifa-sched.c (schedule_block): Fix thinko.
288 1999-11-03 James McKelvey <mckelvey@fafnir.com>
290 * fixinc/fixincl.c(create_file): Allow for systems that do not have
293 1999-11-03 Philippe De Muyter <phdm@macqel.be>
295 * fixlib.c (load_file_data): Do not call `realloc' with a NULL pointer;
296 call `malloc' instead.
298 Wed Nov 3 23:05:14 1999 Mark Mitchell <mark@codesourcery.com>
300 * flags.h (flag_renumber_insns): Declare.
301 * emit-rtl.c (renumber_insns): Check flag_renumber_insns. Print
303 * rtl.h (renumber_insns): Change prototype.
304 * toplev.c (flag_renumber_insns): Define.
305 (rest_of_compilation): Pass rtl_dump_file to flag_renumber_insns.
307 Wed Nov 3 15:11:27 1999 David S. Miller <davem@redhat.com>
309 * config/sparc/sparc.md: Remove insn type fpsqrt, add fpsqrts
310 and fpsqrtd. Use them and create fdiv function unit to more
311 accurately represent fpu sqrt pipeline semantics on UltraSparc.
312 * config/sparc/sparc.c: Account for fpsqrt{s,d} changes.
314 Wed Nov 3 15:11:27 1999 Matteo Frigo <athena@fftw.org>
316 * config/sparc/sparc.md: Adjust FADD/FMUL result latencies to
318 * config/sparc/sparc.c (ultra_schedule_insn): Insert launched
319 insn into ready list, do not use just a raw swap.
321 Wed Nov 3 14:51:59 1999 Mark P. Mitchell <mark@codesourcery.com>
323 * rtl.h (renumber_insns): New function.
324 (remove_unnecessary_notes): Likewise.
325 * emit-rtl.c (renumber_insns): Define.
326 (remove_unncessary_notes): Likewise.
327 * toplev.c (rest_of_compilation): Remove dead code.
328 Use renumber_insns and remove_unncessary_notes.
330 * gcse.c (struct null_pointer_info): New type.
331 (get_bitmap_width): New function.
332 (current_block): Remove.
333 (nonnull_local): Likewise.
334 (nonnull_killed): Likewise.
335 (invalidate_nonnull_info): Take a null_pointer_info as input.
336 (delete_null_pointer_checks_1): New function.
337 (delete_null_pointer_checks): Use it.
339 * haifa-sched.c (find_rgns): Replace uses of alloca with xmalloc.
340 (split_edges): Likewise.
341 (schedule_block): Likewise.
342 (compute_block_backward_dependencies): Likewise.
343 (schedule_region): Likewise.
344 (schedule_insns): Likewise.
346 Wed Nov 3 15:40:23 1999 Catherine Moore <clm@cygnus.com>
348 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Provide default.
349 * emit-rtl.c (gen_label_rtx): Support LABEL_ALTERNATE_NAME.
350 * final.c (final_scan_insn): Emit LABEL_ALTERNATE_NAME.
351 * ggc-common.c (ggc_mark_rtx_children): Mark LABEL_ALTERNATE_NAME.
352 * jump.c (delete_unreferenced_labels): Don't delete if
353 LABEL_ALTERNATE_NAME is set.
354 * print-rtl.c (print_rtx): Dump alternate name.
355 * rtl.def (CODE_LABEL): Change format to "iuuis00s".
356 * rtl.h (LABEL_ALTERNATE_NAME): Define.
357 * rtl.texi (LABEL_ALTERNATE_NAME): Document.
358 * tm.texi (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Document.
360 Wed Nov 3 15:39:19 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
362 * fix-header.c (recognized_extern, recognized_function): Constify
365 * lcm.c (compute_laterin): Remove unused variable `temp_bitmap'.
366 (pre_edge_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
367 (compute_available): Remove unused variable `last'.
368 (compute_nearerout): Remove unused variable `temp_bitmap'.
369 (pre_edge_rev_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
370 Remove unused variable `x'.
372 * scan.h (recognized_function, recognized_extern): Constify a
375 * simplify-rtx.c (simplify_rtx): Remove unused variable `new'.
377 Wed Nov 3 10:40:53 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
379 * varasm.c (decode_rtx_const): Use XSTR to access the string
382 Wed Nov 3 10:10:58 1999 Richard Henderson <rth@cygnus.com>
384 * c-decl.c (duplicate_decls): Copy DECL_MODE too.
386 Wed Nov 3 12:12:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
388 * reload1.c (eliminate_regs_in_insn): If copying insn, also copy notes.
390 Wed Nov 3 03:26:28 1999 Jeffrey A Law (law@cygnus.com)
392 * pa.c (ireg_operand): New function.
393 * pa.h (PREDICATE_CODES): Handle ireg_operand.
394 * pa.md (parallel_addb, parallel_movb): Use ireg_operand.
395 Fix out of date comment.
397 * pa.md (negdi2): Turn into expander + anonymous pattern.
399 * reload.c (find_reloads): Fix typos in recent change.
401 * dwarf2out.c: Do not include ctype.h.
403 Tue Nov 2 21:53:44 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
405 * regclass.c (record_reg_classes): Always use may_move_cost when
406 seeing how operand fits with various register classes.
408 Tue Nov 2 15:38:17 1999 Richard Henderson <rth@cygnus.com>
410 * resource.c: Revert Oct 26 20:42 and Oct 27 00:56 changes.
411 * toplev.c: Revert Nov 1 13:22 change.
413 Tue Nov 2 14:21:37 1999 Jason Eckhardt <jle@cygnus.com>
415 * config/pa/pa.md (height reduction patterns): Add checks for
416 overlapping operands to avoid semantic-destroying splits for
417 height reduction patterns.
419 Tue Nov 2 15:27:31 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
421 * configure.in (m68k-hp-hpux*, xm_alloca.h): The underscore should
422 have been an hyphen, fixed.
423 * configure: Rebuilt.
425 Tue Nov 2 17:04:36 1999 Nick Clifton <nickc@cygnus.com>
427 * config/arm/tpe.h: Add prototypes for exported functions.
428 * config/arm/pe.c: Fix compile time warnings.
429 * config/arm/semi.h: Fix compile time warnings.
430 * config/arm/arm.c: Fix compile time warnings.
431 * config/arm/arm.h: Fix compile time warnings.
432 * config/arm/arm.md: Fix compile time warnings.
433 * config/arm/thumb.c: Fix compile time warnings.
434 * config/arm/thumb.h: Fix compile time warnings.
435 * config/arm/thumb.md: Fix compile time warnings.
437 Tue Nov 2 04:10:24 1999 Jan Hubicka <hubicka@freesoft.cz>
439 * jump.c (jump_optimize_1): Swap the incscc and the conditional mode
442 * unroll.c (unroll_loop): Remove LOOP notes when loop is
445 Tue Nov 2 16:57:22 1999 Bernd Schmidt <bernds@cygnus.co.uk>
447 * cse.c (simplify_plus_minus, check_fold_const): Delete declarations.
449 Tue Nov 2 09:43:00 1999 Catherine Moore <clm@cygnus.com>
451 * Makefile.in (genattrtab): Don't use (HOST_RTLANAL).
452 * rtl.h (rtx_equal_p): Move prototype.
453 * rtl.c (rtx_equal_function_value_matters): Move from
455 (rtx_equal_p): Likewise.
456 * rtlanal.c (rtx_equal_function_value_matters): Delete.
457 (rtx_equal_p): Likewise.
459 Mon Nov 1 23:21:17 1999 Jason Merrill <jason@yorick.cygnus.com>
461 * libgcc2.c (__do_global_dtors): Only do EH frame stuff if
464 Mon Nov 1 23:37:38 1999 Jeffrey A Law (law@cygnus.com)
466 * gcc.1 (PA options): Remove obsolete -mshared-libs options.
468 * pa.h (ADDR_VEC_ALIGN): Define.
470 * jump.c (jump_optimize_1): Also move LOOP_VTOP and LOOP_CONT
471 notes when presented with "if (foo) break; end_of_loop" and
472 the break sequence gets moved out of the loop.
474 * unroll.c (unroll_loop): Allocate memory for MAP using xcalloc.
475 Remove explicit zero initializations of entries within MAP.
477 Mon Nov 1 18:09:14 1999 Richard Henderson <rth@cygnus.com>
479 * reg-stack.c (convert_regs_1): Handle EH edges specially.
481 Mon Nov 1 15:41:01 1999 Mark P. Mitchell <mark@codesourcery.com>
483 * bitmap.h (BITMAP_XMALLOC): New macro.
484 * flow.c (CLEAN_ALLOCA): Remove.
485 (delete_unreachable_blocks): Use xmalloc/xcalloc instead of alloca.
486 (life_analysis): Likewise.
487 (update_life_info): Don't use CLEAN_ALLOCA.
488 (life_analysis_1): Use xmalloc/xcalloc instead of alloca.
489 (calculate_global_regs_live): Likewise.
490 (print_rtl_with_bb): Likewise.
491 (verify_flow_info): Likewise.
492 * global.c (global_alloc): Likewise.
493 (global_conflicts): Likewise.
494 * integrate.c (save_for_inline_nocopy): Likewise.
495 (expand_inline_function): Likewise.
496 * jump.c (jump_optimize_1): Likewise.
497 (duplicate_loop_exit_test): Likewise.
498 (thread_jumps): Likewise.
499 * loop.c (loop_optimize): Likewise.
500 (combine_givs): Likewise.
501 (recombine_givs): Likewise.
502 * reorg.c (dbr_schedule): Likewise.
503 * unroll.c (unroll_loop): Likewise.
505 * combine.c (combine_instructions): Use xmalloc instead of alloca.
507 Mon Nov 1 13:22:30 1999 Richard Henderson <rth@cygnus.com>
509 * toplev.c (rest_of_compilation): Don't optimize the CFG
510 when rebuilding, just before dbr.
512 Mon Nov 1 14:35:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
514 * output.h (assemble_end_function, assemble_destructor,
515 assemble_constructor, assemble_gc_entry, assemble_global,
516 assemble_label, output_constant_pool) Constify a char*.
518 * varasm.c (assemble_destructor, assemble_constructor,
519 assemble_gc_entry, assemble_end_function, assemble_global,
520 assemble_label, output_constant_pool): Likewise.
522 Mon Nov 1 14:22:51 1999 Nick Clifton <nickc@cygnus.com>
524 * config/arm/thumb.c (thumb_expand_prologue): Add comments
525 explaining what is goin on in this function.
527 Mon Nov 1 08:03:15 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
529 * regclass.c (record_reg_classes): In matching case, recompute
530 costs since the direction of movement is different.
532 Sun Oct 31 21:59:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
534 * resource.c (mark_target_live_regs): For unconditional branches,
535 the resources found at the branch target should be added to the
536 resources found so far, not intersected.
538 Sun Oct 31 15:48:49 1999 Philippe De Muyter <phdm@macqel.be>
540 * fixinc/fixtests.c, fixinc/fixfixes.c : Keep `#' in first column for
542 * fixinc/fixincl.c (fcntl.h) : Do not include this file twice.
543 (sys/mman.h): Include this file only if #HAVE_MMAP.
544 (run_compiles): Initialize `esac_fmt' with one old KR string, not
545 with automatically concatenated ANSI strings.
547 Sun Oct 31 23:57:07 1999 Mark Mitchell <mark@codesourcery.com>
549 * ggc-page.c (struct page_entry): Remove save_num_free_objects.
550 (DIV_ROUND_UP): Robustify.
551 (ggc_recalculate_in_use_p): New function.
552 (release_pages): Don't inline it.
553 (ggc_alloc_obj): Don't refuse to allocate objects on pages for
555 (ggc_pop_context): Use ggc_recalculate_in_use_p.
556 (clear_marks): Always save in_use_p.
557 (sweep_pages): Use ggc_recalculate_in_use_p.
558 (ggc_page_print_statistics): Avoid signed/unsigned comparisons.
559 Release pages before counting statistics.
561 Sun Oct 31 23:42:37 1999 Mark Mitchell <mark@codesourcery.com>
563 * toplev.c (rest_of_compilation): Fix thinko in this change:
565 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
567 (rest_of_compilation): If inside an inlined external function,
568 pretend we are just being declared.
570 Sun Oct 31 23:03:25 1999 Jeffrey A Law (law@cygnus.com)
572 * flow.c (calculate_global_regs_live): Fix thinko.
574 * integrate.c (expand_inline_function): Fix bugs in previous
575 change from Oct 28, 1999.
577 Sun Oct 31 20:27:45 1999 Mark Mitchell <mark@codesourcery.com>
579 * stmt.c (expand_value_return): Fix typo in this change:
581 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
582 (expand_value_return): Correctly convert VAL when promoting function
583 return; support RETURN_REG being a PARALLEL.
585 Sun Oct 31 20:25:42 1999 Mark P. Mitchell <mark@codesourcery.com>
587 * expr.c (readonly_fields_p): Ignore everything except FIELD_DECLs.
589 Sun Oct 31 20:42:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
591 * hard-reg-set.h (reg_names): Constify a char*.
593 * regclass.c (reg_names): Likewise.
595 * regs.h (reg_names): Likewise
597 * a29k/a29k.c (reg_names): Delete declaration.
599 * a29k/a29k.h (CONDITIONAL_REGISTER_USAGE): Constify a char*.
601 * arc/arc.c (arc_save_restore, arc_output_function_prologue,
602 arc_output_function_epilogue): Likewise.
604 * elxsi/elxsi.c (reg_names): Likewise.
606 * gmicro/gmicro.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Likewise.
608 * m32r/m32r.c (m32r_output_function_epilogue, emit_cond_move):
611 * m88k/m88k.c (output_function_profiler): Likewise.
613 * sparc/sparc.c (sparc_flat_output_function_prologue,
614 sparc_flat_output_function_epilogue): Likewise.
616 Sun Oct 31 13:32:15 CET 1999 Marc Lehmann <pcg@goof.com>
618 * toplev.c (rest_of_compilation): Seperate the setjmp/vfork clobber
619 warning from -Wuninitialized and put it under -W.
620 * function.c (uninitialized_vars_warning): Warn only when the
621 corresponding flag is set.
623 Sun Oct 31 01:53:30 1999 Jeffrey A Law (law@cygnus.com)
625 * cse.c (cse_insn): If an insn has only a single set, SRC_EQV
626 is nonzero and the single set does not have an elt, then assign
629 * simplify-rtx.c: New file.
630 * Makefile.in (OBJS): Add simplify-rtx.o
631 (simplify-rtx.o): Add dependencies.
632 * rtl.h (simplify_gen_binary, simplify_rtx): Add prototypes.
633 * cse.c: Use simplify_gen_binary intead of cse_gen_binary.
634 (cse_gen_binary, simplify_unary_operation): Delete.
635 (simplify_binary_operation, simplify_plus_minus): Likewise.
636 (check_fold_consts, simplify_relation_operation): Likewise.
637 (simplify_ternary_operation): Likewise.
638 (delete_trivially_dead_insns): Simplify the contents of the
639 REG_EQUAL note before trying to substitute it into the source
640 of the reg-reg copy at the end of a libcall sequence.
642 * combine.c (combine_simplify_rtx): Renamed from simplify_rtx. All
643 references/callers changed.
645 * mn10200.c (mn10200_va_arg): Force the return value into a
648 * fr30.h (EXTRA_CC_NAMES): Remove obsolete macro.
650 * cccp.c (macroexpand): Avoid out of range accesses for omitted
653 Sat Oct 30 22:42:50 1999 Stephen L Moshier <moshier@mediaone.net>
655 * c-lex.c (yylex): Accept 'f' in mantissa of hex float constant.
657 Sat Oct 30 22:19:26 1999 Jeffrey A Law (law@cygnus.com)
659 * fold-const.c (fold): Fix thinko when optimizing comparisons
662 Sat Oct 30 21:32:17 1999 David Starner <dstarner98@aasaa.ofe.org>
664 * gcc.texi (Passes): Update front-end files to their current
667 Sat Oct 30 14:41:40 1999 Richard Henderson <rth@cygnus.com>
669 * alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Call secondary_reload_class.
670 (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
671 (PREDICATE_CODES): Add addition_operation.
672 * alpha-protos.h (addition_operation): Declare.
673 (secondary_reload_class): Likewise.
674 * alpha.c (addition_operation): New.
675 (secondary_reload_class): New, from old SECONDARY_INPUT_RELOAD_CLASS.
676 * alpha.md (adddi3): Turn into expander.
677 (*lda, *adddi_2): New.
678 (movsf, movdf patterns): Don't preference integer regs.
679 (movsi, movdi patterns): Don't preference fp regs.
681 Sat Oct 30 14:38:22 1999 Richard Henderson <rth@cygnus.com>
683 * genrecog.c (write_switch): Check for duplicate CODE cases.
685 Sat Oct 30 14:31:48 1999 Richard Henderson <rth@cygnus.com>
687 * ggc-common.c: Update pre-function commentary.
688 * ggc-page.c: Likewise.
690 (poison_pages): Use memset directly.
691 (ggc_alloc_obj): Likewise. Use a different pattern than poison_pages.
692 (ggc_collect): Poison before sweeping.
693 * ggc-simple.c: Update pre-function commentary.
694 (ggc_alloc_obj): Poison non-zeroed memory.
696 Sat Oct 30 14:28:52 1999 Mark Mitchell <mark@codesourcery.com>
698 * ggc-common.c (ggc_print_statistics): Make arguments to fprintf
699 match format string, even on 64-bit hosts.
700 * gcc-page.c (ggc_page_print_statistics): Likewise.
702 Sat Oct 30 14:38:04 1999 Catherine Moore <clm@cygnus.com>
704 * config/i386/i386.c (ix86_cpu): Revert last patch.
705 * config/i386/i386.h (ix86_cpu): Ditto.
707 Fri Oct 29 17:00:42 1999 Jim Wilson <wilson@cygnus.com>
709 * stor-layout.c (layout_type): When compute TYPE_SIZE_UNIT from
710 TYPE_SIZE, convert type of result to sizetype.
712 Fri Oct 29 14:34:17 1999 Richard Henderson <rth@cygnus.com>
714 * flow.c (count_or_remove_death_notes): Equate NULL with the
717 * jump.c, reg-stack.c, toplev.c: Revert Oct 27 change.
718 * toplev.c (rest_of_compilation): Rebuild CFG immediately before
721 * i386.c (pic_label_no): Delete.
722 (ix86_attr_length_default): Don't use single_set to peek
725 * recog.c (peephole2_optimize): Allow recog_next_insn to index
726 the first insn after bb->end.
727 * i386.md (push mem peeps): Scratch is live after evaluation
729 (cmp mem peep): Similarly.
731 Fri Oct 29 11:50:11 1999 Catherine Moore <clm@cygnus.com>
733 * calls.c (emit_library_call_value): Fix declaration of alignment_pad.
734 * function.c (pad_to_arg_alignment): Add missing braces.
736 Fri Oct 29 13:53:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
738 * alpha/alpha-protos.h (literal_section): Add prototype.
739 (alpha_need_linkage, alpha_start_function,alpha_end_function):
742 * alpha/alpha.c (alpha_ra_ever_killed, set_frame_related_p): Add
744 (alpha_start_function, alpha_end_function, float_strings,
745 alpha_need_linkage): Constify a char*
747 * alpha/alpha.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_MI_THUNK): Likewise.
749 * alpha/alpha32.h (ASM_OUTPUT_MI_THUNK): Likewise.
751 * alpha/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
753 * alpha/vms.h (ASM_OUTPUT_SECTION_NAME): Likewise.
755 Fri Oct 29 13:49:39 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
757 * flow.c (debug_flow_info): Add prototype.
759 * gcc.c (main): Likewise.
761 * gcse.c (expr_reaches_here_p_work, pre_expr_reaches_here_p_work):
764 * reload1.c (failed_reload, set_reload_reg): Likewise.
766 * mips-tfile.c (main): Likewise.
767 (pfatal_with_name, fancy_abort, botch, fatal, catch_signal): Mark
768 with ATTRIBUTE_NORETURN.
770 Fri Oct 29 18:16:03 1999 Andrew Haley <aph@cygnus.com>
772 * config/i386/i386.h (ENCODE_SECTION_INFO): Don't do anything if
773 DECL is not a memory ref.
775 Fri Oct 29 09:05:34 1999 Catherine Moore <clm@cygnus.com>
777 * config/i386/i386.h (ix86_cpu): Remove extern attribute.
778 * config/i386/i386.c (ix86_cpu): Add extern attribute.
780 Fri Oct 29 16:30:04 1999 Andrew Haley <aph@cygnus.com>
782 * config/mips/elf.h: remove NAME__MAIN and SYMBOL__MAIN.
783 * config/mips/elf64.h: ditto.
785 Fri Oct 29 08:03:57 1999 Catherine Moore <clm@cygnus.com>
787 * expr.c (emit_push_insn): New argument alignment_pad.
788 Update all callers. Adjust stack pointer based on alignment pad.
789 * function.c (pad_to_arg_alignment): New argument alignment_pad.
790 Update all callers. Track alignment_pad if boundary > PARM_BOUNDARY.
791 (locate_and_pad_parm): New argument alignment_pad. Update all
793 * expr.h (emit_push_insn): Update prototype.
794 (locate_and_pad_parm): Update prototype.
795 * calls.c (arg_data): Add new field alignment_pad.
796 (initialize_argument_information): Initialize alignment_pad.
798 Fri Oct 29 02:51:35 1999 Mark Mitchell <mark@codesourcery.com>
800 * except.c (free_eh_nesting_info): Free the info itself.
801 * function.c (free_after_compilation): Don't free NULL.
802 * gcse.c (alloc_pre_mem): Free the temp_bitmap, too.
803 (pre_edge_insert): Free inserted.
804 * stmt.c (free_stmt_status): Don't free NULL.
806 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
808 * gcov.c (DIR_SEPARATOR): Provide default.
809 (output_data): Add test for MS-DOS format absolute filename.
810 (fancy_abort): Correct program name.
811 (open_files): Open all files in binary mode.
812 * libgcc2.c (__bb_exit_func): Likewise.
814 * profile.c (init_branch_prob): Specify binary when opening files.
816 * flags.h (flag_unwind_tables): New decl.
817 * toplev.c (flag_unwind_table): New definition.
818 (f_options): Add -funwind-tables.
819 (decode_g_option): Clarify warning when unknown -g option is given.
820 (rest_of_compilation): If inside an inlined external function,
821 pretend we are just being declared.
823 * dwarf2out.c (dwarf2out_do_frame): Check -funwind_tables.
824 (dwarf2out_frame_finish): Likewise.
826 Fri Oct 29 07:44:26 1999 Vasco Pedro <vp@di.fct.unl.pt>
828 * fold-const.c (merge_ranges): In not in0, but in1, handle
829 upper bounds equal like subset case.
831 Thu Oct 28 19:22:24 1999 Douglas Rupp <rupp@gnat.com>
833 * dbxout.c (dbxout_parms): Generate a second stabs line for parameters
834 passed in a register but moved to the stack.
836 Thu Oct 28 19:12:57 1999 Sam Tardieu <tardieu@act-europe.fr>
838 * gcc.c (pass_exit_codes, greatest_status): New variables.
839 (struct option_map): Add entry for "--pass-exit-codes".
840 (execute): Update greatest_status if error.
841 (display_help): Add documentation for -pass-exit-codes.
842 (process_command): Handle -pass-exit-codes.
843 (main): Look at pass_exit_codes and greatest_status on call to exit.
845 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
847 * reload.c (find_reloads): Refine test for no input reload
848 case to not includes reloads emitted after insn.
850 * function.c (find_temp_slots_from_address): Handle sum involving
851 a register that points to a temp slot.
852 (update_temp_slot_address): Make recursive call if both old and
853 new are PLUS with a common operand.
854 * calls.c (expand_call): Mark temp slot for result as having
857 * rtlanal.c (reg_referenced_p, case IF_THEN_ELSE): New case.
859 * gcc.c (process_command): Add standard_exec_prefix with "GCC"
860 component as well as "BINUTILS".
862 * integrate.h (copy_rtx_and_substitute): New arg, FOR_LHS.
863 * integrate.c (copy_rtx_and_substitute): Likewise.
864 (expand_inline_function, integrate_parm_decls, integrate_decl_tree):
866 * unroll.c (inital_reg_note_copy, copy_loop_body): Likewise.
868 * dbxout.c (dbxout_type, case INTEGER_TYPE_NODE): If can use
869 gdb extensions, write size of type; also be more consistent
870 in using references when this is a subtype.
872 * pa.md (extv, extzv, insv): Use define_expand to reject constant
873 that is out of range.
875 * loop.c (unknown_constant_address_altered): New variable.
876 (prescan_loop): Initialize it.
877 (note_addr_stored): Set it for RTX_UNCHANGING_P MEM.
878 (invariant_p, case MEM): Remove handling for volatile and readony;
879 check new variable if readonly.
880 (check_dbra_loop): Chdeck unknown_constant_address_altered.
882 * cse.c (canon_hash, case MEM): Do not record if BLKmode.
883 (addr_affects_sp_p): Removed from note_mem_written and only
884 define #ifdef AUTO_INC_DEC.
886 * alpha.c (input_operand, case ADDRESSOF): Treat as REG.
888 * regclass.c (record_reg_classes): Properly handle register move
891 * varasm.c (initializer_constant_valid_p, case MINUS_EXPR):
892 Don't think valid if both operands are invalid.
893 (struct constant_descriptor): New field RTL.
894 (mark_const_hash_entry): Mark it.
895 (record_constant{,_rtx}): Initialize it.
896 (output_constant_def): Allocate RTL in permanent obstack and
898 ({record,compare}_constant_1): Modes must match for
899 CONSTRUCTOR of ARRAY_TYPE.
901 * c-common.h (initializer_constant_valid_p): Delete decl from here.
902 * output.h (initializer_constant_valid_p): Move decl to here.
903 * c-common.c (initializer_constant_valid_p): Delete function from here.
904 * varasm.c (initializer_constant_valid_p): Move function to here.
906 * tree.h (STRIP_SIGN_NOPS): New macro.
907 * fold-const.c (optimize_minmax_comparison): New function.
908 (invert_truthvalue, case WITH_RECORD_EXPR): New case.
909 (fold): Use STRIP_SIGN_NOPS instead of STRIP_TYPE_NOPS.
910 (fold, case EQ_EXPR): Call optimize_minmax_comparison and add
911 cases with ABS_EXPR, NEGATE_EXPR, PLUS_EXPR, MINUS_EXPR, and
912 widening conversions.
913 (fold, case LE_EXPR): Rework changing unsigned to signed comparisons
914 to look at size of mode, not precision of type; also add missing cases.
915 (optimize_bit_field_compare, decode_field_reference): Don't try to
916 optimize COMPONENT_REF of a PLACEHOLDER_EXPR.
918 * dwarf2out.c (ctype.h): Include.
919 (dwarf2out_set_demangle_name_func): New function.
920 (size_of_line_info): Deleted.
921 (output_line_info): Compute size of line info table from difference
923 (base_type_die, add_name_attribute): Call demangle function, if any.
924 (field_byte_offset): Use bits per word for variable length fields.
925 (gen_array_type_die): Add array name.
926 (gen_subprogram_die): Ignore DECL_INLINE if -fno-inline.
927 (dwarf2out_add_library_unit_info): New function.
929 * explow.c (set_stack_check_libfunc): New function.
930 (stack_check_libfunc): New static variable.
931 (probe_stack_range): Allow front-end to set up a libfunc to call.
933 * combine.c (simplify_comparison): When making comparison in wider
934 mode, check for having commuted an AND and a SUBREG.
935 (contains_muldiv): New function.
936 (try_combine): Call it when dividing a PARALLEL.
937 (simplify_rtx, case TRUNCATE): Don't remove for umulsi3_highpart.
938 (simplify_comparison, case ASHIFTRT): Recognize sign-extension of
940 (record_value_for_reg): If TEM is a binary operation with two CLOBBERs,
941 use one of the CLOBBERs instead.
942 (if_then_else_cond): If comparing against zero, just return thing
945 * optabs.c (expand_abs): If machine has MAX, ABS (x) is MAX (x, -x).
946 Don't generate shifts and subtract if have conditional arithmetic.
948 * rtl.h (delete_barrier): New declaration.
949 * jump.c (jump_optimize): Set up to handle conditional call.
950 In conditional arithmetic case, handle CALL_INSN followed by a BARRIER.
951 (delete_barrier): New function.
953 * rtl.c (read_rtx): Call fatal if bad RTL code; check for bad mode.
955 * recog.c (nonmemory_operand): Accept ADDRESSOF.
957 * tree.c (build_type_attribute_variant): Push to obstack of
958 ttype around type_hash_canon call.
960 * expr.c (placeholder_list): Move decl to file scope.
961 (expand_expr): Don't force access to volatile just because its
963 If ignoring reference operations, just expand the operands.
964 (expand_expr, case COMPONENT_REF): Propagate
965 EXPAND_CONST_ADDRESS to recursive call when expanding inner.
966 Refine test for using bitfield operations vs pointer punning.
967 (expand_expr, case CONVERT_EXPR): If converting to
968 BLKmode UNION_TYPE from BLKmode, just return inner object.
969 Use proper mode in store_field call.
970 Properly set sizes of object to store and total size in store_field
971 call for convert to union.
972 (expand_expr, case ARRAY_REF): If OP0 is in a register, put it in
973 memory (like for ADDR_EXPR). Also, don't put constant in register if
974 we'll want it in memory.
975 (readonly_fields_p): New function.
976 (expand_expr, case INDIRECT_REF): Call it if LHS.
977 (expand_assignment): Handle a RESULT_DECL where
978 DECL_RTL is a PARALLEL.
979 (do_jump, case WITH_RECORD_EXPR): New case.
980 (get_inner_reference): Always go inside a CONVERT_EXPR
981 and NOP_EXPR if both modes are the same.
982 (store_field): Use bitfield operations if size of bitsize is not same
983 as size of RHS's type.
984 Check for bitpos not a multiple of alignment in BLKmode case.
985 Do block move in largest possible alignment.
986 (store_constructor): Set BITSIZE to -1 for variable size and properly
987 in case of array of BLKmode.
988 (expand_expr_unaligned): New function.
989 (do_compare_and_jump): Call it.
991 * mips/iris5.h (SWITCHES_NEED_SPACES): New macro.
992 * collect2.c (main): Only allow -ofoo if SWITCHES_NEED_SPACES
993 does not include 'o'.
995 * function.c (instantiate_virtual_regs_1, case SET): Handle case where
996 both SET_DEST and SET_SRC reference a virtual register.
997 (gen_mem_addressof): Copy RTX_UNCHANGING_P from new REG to old REG.
999 * integrate.c (expand_inline_function): Handle case of setting
1000 virtual stack vars register (from built in setjmp); when parameter
1001 lives in memory, expand virtual_{stack_vars,incoming_args}_rtx early.
1002 (subst_constant): Add new parm, MEMONLY.
1003 (expand_inline_function, integrate_parm_decls): Pass new parm.
1004 (integrate_decl_tree): Likewise.
1005 (copy_rtx_and_substitute, case MEM): Do copy RTX_UNCHANGING_P.
1006 (try_constants): Call subst_constants twice, with MEMONLY 0 and 1.
1007 (copy_rtx_and_substitute, case SET): Add explicit calls to
1008 copy_rtx_and_substitute for both sides.
1010 * stmt.c (expand_asm_operands): Don't use TREE_STRING_LENGTH for
1012 (pushcase{,_range}): Convert to NOMINAL_TYPE after checking for
1013 within INDEX_TYPE, instead of before.
1014 (fixup_gotos): Use f->target_rtl, not the next insn,
1015 since latter may be from a later fixup.
1016 (expand_value_return): Correctly convert VAL when promoting function
1017 return; support RETURN_REG being a PARALLEL.
1018 (expand_return): When checking for result in regs and having
1019 cleanup, consider PARALLEL in DECL_RTL as being in regs.
1021 1999-10-28 21:27 -0700 Zack Weinberg <zack@bitmover.com>
1023 * cpplib.h (struct cpp_buffer: fname, nominal_fname,
1024 last_nominal_fname): Mark const.
1025 (struct include_hash: name, nshort, control_macro): Mark
1027 (struct macrodef: symnam): Mark const.
1028 (struct if_stack: fname): Mark const.
1029 (is_idchar, is_idstart, is_hor_space, trigraph_table): Delete.
1030 (IStable): New character-syntax array which encompasses all
1031 the old is_foo arrays.
1032 (is_idchar, is_numchar, is_idstart, is_numstart, is_hspace,
1033 is_space): New macros for interrogating IStable.
1034 (check_macro_name): Kill last argument. All callers changed.
1036 * cppinit.c (initialize_char_syntax): Delete.
1037 (is_idchar, is_idstart, is_hor_space, is_space,
1038 trigraph_table): Delete.
1039 (IStable): New. Initialize with clever macros to avoid
1040 information duplication.
1041 (builtin_array): Table of builtins to get rid of explicit list
1042 in initialize_builtins.
1043 (initialize_builtins): Use builtins_array.
1044 (cpp_start_read): Call init_IStable, and set IStable['$'] if
1045 opts->dollars_in_ident.
1047 * cppexp.c: Change all refs to is_xyz[] arrays to use new
1049 (cpp_parse_expr): Avoid 'format string is not constant'
1050 warning. Use ISGRAPH to identify printable chars.
1051 * cppfiles.c: Change all refs to is_xyz[] arrays to use new
1053 (read_and_prescan): Map trigraphs to chars with open-coded
1054 if-else-if-... sequence, not a lookup table.
1055 * cpphash.c: Change all refs to is_xyz[] arrays to use new
1057 * cpplib.c: Change all refs to is_xyz[] arrays to use new
1058 is_xyz() macros. Kill SKIP_ALL_WHITE_SPACE (unused).
1059 (check_macro_name): Remove ability to report an invalid
1060 assertion name, which is never used.
1061 (do_line): Constify a couple of char *'s.
1062 * cppmain.c (main): Call cpp_cleanup before returning.
1064 Thu Oct 28 21:16:35 1999 Mark Mitchell <mark@codesourcery.com>
1066 * ggc.h (struct ggc_statistics): New type.
1067 (ggc_get_size): New function.
1068 (ggc_print_statistics): Likewise.
1069 * ggc-common.c (ggc_stats): New variable.
1070 (ggc_mark_rtx_children): Keep statistics.
1071 (ggc_mark_tree_children): Likewise.
1072 (ggc_print_statistics): New function.
1073 * ggc-page.c (struct globals): Add bytes_mapped field.
1074 (alloc_anon): Update it.
1075 (release_pages): Likewise.
1076 (ggc_get_size): New function.
1077 (ggc_page_print_statistics): New function.
1078 * ggc-simple.c (ggc_get_size): New function.
1080 Fri Oct 29 06:32:44 1999 Geoffrey Keating <geoffk@cygnus.com>
1082 * flow.c (propagate_block): When the last reference to a label
1083 before an ADDR_VEC is deleted because the reference is a dead
1084 store, delete the ADDR_VEC.
1086 Thu Oct 28 12:28:50 1999 Richard Henderson <rth@cygnus.com>
1088 * resource.c (find_free_register): Don't use the frame pointer
1089 if frame_pointer_needed.
1091 Thu Oct 28 10:02:00 1999 Jim Wilson <wilson@cygnus.com>
1093 * config/mips/mips.c (mips_va_arg): Delete gen_jump as emit_jump arg.
1094 (function_arg_pass_by_reference): Check for a NULL pointer in cum.
1096 * config/i960/i960.c (i960_va_start): New locals base, num.
1097 Use INDIRECT_REF instead of ARRAY_REF on valist.
1098 (i960_va_arg): Use INDIRECT_REF instead of ARRAY_REF on valist.
1100 Thu Oct 28 09:45:48 1999 Mark Mitchell <mark@codesourcery.com>
1102 * gcse.c (delete_null_pointer_checks): Fix typo in previous change.
1104 Thu Oct 28 03:37:50 1999 Peter Gerwinski <peter@gerwinski.de>
1106 * tree.def (PLACEHOLDER_EXPR): Update comments.
1108 Thu Oct 28 06:47:32 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1110 * c-common.c (check_format_info): Avoid non-literal format string
1111 warnings when `first_arg_num' is zero.
1113 Thu Oct 28 12:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
1115 * rtl.texi: Delete explicit Prev, Up and Next entries in "@node"s.
1117 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
1119 * arm.md (casesi_insn): Add a clobber of the condition code
1122 Mon Oct 18 21:16:06 1999 Fred Fish <fnf@be.com>
1124 * tm.texi (CC1PLUS_SPEC): Make it clear in the docs that CC1_SPEC is
1125 used by both cc1 and cc1plus.
1127 Thu Oct 28 10:00:48 1999 Nick Clifton <nickc@cygnus.com>
1129 * config/arm/arm.c: Initialise arm_structure_size_boundary to
1130 DEFAULT_STRUCTURE_SIZE_BOUNDARY.
1131 * config/arm/arm.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY): Define
1132 to the value 32 if it has not already been defined.
1133 * config/arm/netbsd.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY):
1134 Override definition in arm.h with a value of 8.
1136 Thu Oct 28 03:12:02 1999 David Starner <dstarner98@aasaa.ofe.org>
1138 * c-pragma.c (push_alignment): Don't check the return value
1141 Thu Oct 28 03:08:38 1999 Matteo Frigo <athena@fftw.org>
1143 * sparc.h (ADJUST_COST): Fix thinko.
1145 Thu Oct 28 02:44:03 1999 Glen Nakamura <glen.nakamura@usa.net>
1147 * cccp.c (rescan): Fixed obp pointer handling around call to
1148 check_expand subroutine.
1150 Thu Oct 28 02:15:22 1999 Jeffrey A Law (law@cygnus.com)
1152 * gcse.c (delete_null_pointer_checks): Only record non-null info
1153 for pseudos when examining stores.
1155 * arm.md (adddi3, adddi_sesidi_di, adddi_sesidi_di): Add
1156 splitters for these patterns. Use "#" for output templates.
1157 (addsi3_carryin_shift): New pattern.
1159 Thu Oct 28 10:20:02 1999 Geoffrey Keating <geoffk@cygnus.com>
1161 * config/rs6000/rs6000.md (movsf): Don't convert a SUBREG
1162 of the function return register into a plain REG until
1163 after function inlining is done.
1165 Wed Oct 27 15:21:46 1999 Richard Henderson <rth@cygnus.com>
1167 * jump.c (jump_optimize_1): If we did cross-jumping, and
1168 the data will matter, rebuild the CFG.
1169 * reg-stack.c (reg_to_stack): Only (re)build the CFG if
1170 not optimizing. Don't run shorten_branches.
1171 * toplev.c (rest_of_compilation): Run shorten_branches after
1174 Wed Oct 27 12:33:40 1999 Mark Mitchell <mark@codesourcery.com>
1176 * rtl.h (note_stores): Add additional paramter.
1177 * rtlanal.c (reg_set_p_1): Take additional paramter.
1178 (reg_set_last_1): Likewise.
1179 (reg_set_p): Adjust call to note_stores.
1180 (reg_set_last): Likewise.
1181 (note_stores): Pass data parameter to worker function.
1182 * alias.c (record_set): Take additional parameter.
1183 (init_alias_analysis): Pass it.
1184 * caller-save.c (mark_set_regs): Take additional parameter.
1185 (save_call_clobbered_regs): Pass NULL to note_stores.
1186 * combine.c (set_nonzero_bits_and_sign_copies): Take additional
1188 (record_dead_and_set_regs_1): Likewise.
1189 (reg_dead_at_p_1): Likewise.
1190 (combine_instructions): Adjust calls to note_stores.
1191 (try_combine): Likewise.
1192 (record_dead_insn): Remove.
1193 (record_dead_and_set_regs): Adjust calls to note_stores.
1194 (reg_dead_at_p): Likewise.
1195 * cse.c (invalidate_skipped_set): Take additional parameter.
1196 (cse_check_loop_start): Likewise.
1197 (cse_check_loop_start_value): Remove.
1198 (cse_set_around_loop): Adjust calls to note_stores.
1199 * flow.c (notice_stack_pointer_modification): Take additional
1200 parameter. Remove duplicate declaration.
1201 (record_volatile_insns): Adjust calls to note_stores.
1202 * gcse.c (record_set_info): Take additional parameter.
1203 (record_last_set_info): Likewise.
1204 (invalidate_nonnull_info): Likewise.
1205 (record_set_insn): Remove.
1206 (compute_sets): Adjust calls to note_stores.
1207 (last_set_insn): Remove.
1208 (compute_hash_table): Adjust calls to note_stores.
1209 (insert_insn_end_bb): Likewise.
1210 (delete_null_pointer_checks): Likewise.
1211 * global.c (mark_reg_store): Take additional parameter.
1212 (mark_reg_clobber): Likewise.
1213 (reg_becomes_live): Likewise.
1214 (global_conflicts): Adjust calls to note_stores.
1215 (build_insn_chain): Likewise.
1216 * integrate.c (note_modified_parmregs): Take additional parameter.
1217 (mark_stores): Likewise. Make it static.
1218 (save_for_inline_nocopy): Adjust calls to note_stores.
1219 (try_constants): Likewise.
1220 * integrate.h (mark_stores): Remove declaration.
1221 * jump.c (mark_modified_reg): Take additional parameter.
1222 (thread_jumps): Adjust calls to note_stores.
1223 * local-alloc.c (validate_equiv_mem_from_store): Take additional
1225 (no_equiv): Likewise.
1226 (reg_is_set): Likewise.
1227 (validate_equiv_mem): Adjust calls to note_stores.
1228 (update_equiv_regs): Likewise.
1229 (block_alloc): Likewise.
1230 * loop.c (note_set_pseudo_multiple_uses_retval): Remove.
1231 (note_addr_stored): Take additional parameter.
1232 (note_set_pseudo_multiple_uses): Likewise.
1233 (record_initial): Likewise.
1234 (prescan_loop): Adjust calls to note_stores.
1235 (strength_reduce): Likewise.
1236 (check_dbra_loop): Likewise.
1237 * regmove.c (flags_set_1): Take additional paramter.
1238 (mark_flags_life_zones): Adjust calls to note_stores.
1239 * reload1.c (mark_not_eliminable): Take additional parameter.
1240 (forget_old_reloads_1): Likewise.
1241 (reload_cse_invalidate_rtx): Likewise.
1242 (reload_cse_check_clobber): Likewise.
1243 (reload_combine_note_store): Likewise.
1244 (move2add_note_store): Likewise.
1245 (reload): Adjust calls to note_stores.
1246 (reload_as_needed): Likewise.
1247 (emit_reload_insns): Likewise.
1248 (reload_cse_regs_1): Likewise.
1249 (reload_cse_record_set): Adjust calls to reload_cse_invalidate_rtx.
1250 (reload_combine): Adjust calls to note_stores.
1251 * resource.c (update_live_status): Take additional paramter.
1252 (mark_target_live_regs): Adjust calls to note_stores.
1253 * stupid.c (find_clobbered_regs): Take additional parameter.
1254 (stupid_life_analysis): Adjust calls to note_stores.
1256 Wed Oct 27 19:26:12 1999 Nick Clifton <nickc@cygnus.com>
1258 * config/arm/coff.h (STRUCTURE_SIZE_BOUNDARY): Delete
1261 * config/arm/elf.h (STRUCTURE_SIZE_BOUNDARY): Delete
1264 * config/arm/arm.h (STRUCTURE_SIZE_BOUNDARY): Define in terms
1265 of the variable arm_structure_size_boundary.
1267 Wed Oct 27 02:05:58 1999 Mark P. Mitchell <mark@codesourcery.com>
1269 * alias.c (init_alias_analysis): Allocate reg_known_value and
1270 reg_known_equiv_p on the heap. Likewise for new_reg_base_value
1272 (end_alias_analysis): Free reg_known_value and reg_known_equiv_p.
1273 * cse.c (cse_main): Call end_alias_analysis.
1274 * haifa-sched.c (schedule_insns): Likewise.
1275 * local-alloc. (update_equiv_regs): Likewise.
1276 * reload1.c (reload_cse_regs): Likewise.
1278 Wed Oct 27 01:49:17 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1280 * sparc/sparc.c (sparc_override_options): Clear MASK_FPU_SET.
1281 * sparc/sparc.h (TARGET_SWITCHES): Add "fpu" entry for reverse
1282 mapping from MASK_FPU.
1284 Wed Oct 27 01:42:26 1999 Scott Christley <scottc@net-community.com>
1286 * sparc.md (call): Don't bound structure return size to 0xfff.
1288 Wed Oct 27 00:56:59 1999 Richard Henderson <rth@cygnus.com>
1290 * resource.c (mark_target_live_regs): Check that the target
1291 insn wasn't created after compute_bb_for_insn.
1293 Tue Oct 26 23:15:03 1999 Mark Mitchell <mark@codesourcery.com>
1295 * ggc-page.c (poison_pages): Don't be overzealous.
1297 Tue Oct 26 23:29:18 1999 Jeffrey A Law (law@cygnus.com)
1299 * alias.c: Update comments for ADDRESS.
1300 (nonlocal_reference_p): Look inside the ADDRESS to determine if
1301 it is a local memory reference.
1303 * c-typeck.c (build_function_call): Check that the built-in
1304 function is of class BUILT_IN_NORMAL before trying to recongize
1306 * calls.c (calls_function_1): Similarly for BUILT_IN_ALLOCA.
1307 * stmt.c (expand_end_cae): Similarly for BUILT_IN_CLASSIFY_TYPE.
1309 Wed Oct 27 00:14:13 1999 Robert Lipe <robertlipe@usa.net>
1311 * gcse.c (expr_reaches_here_p): Use xcalloc and explit free instead
1313 (pre_gcse): Likewise.
1314 (hoist_expr_reaches_here_p): Likewise.
1315 (hoist_code): Likewise.
1316 (pre_expr_reaches_here_p): Replace alloca with xcalloc. Move core
1318 (pre_expr_reaches_here_p_work): ... here.
1319 (expr_reaches_here_p): Replace alloca with xcalloc. Move core
1321 (expr_reaches_here_p_work): ... here.
1323 Tue Oct 26 20:42:45 1999 Richard Henderson <rth@cygnus.com>
1325 * resource.c (find_basic_block): Delete.
1326 (mark_target_live_regs, incr_ticks_for_insn): Use BLOCK_NUM instead.
1327 (init_resource_info): Call compute_bb_for_insn.
1329 Tue Oct 26 20:21:02 1999 Richard Henderson <rth@cygnus.com>
1331 * flow.c (merge_blocks_move_predecessor_nojumps): Cope
1332 with already adjacent blocks, but no fallthru.
1333 (merge_blocks_move_successor_nojumps): Simplify.
1334 (debug_flow_info): New.
1336 * toplev.c (rest_of_compilation): Open jump1 dump file before
1337 jump and close after, as opposed to just using dump_rtl.
1339 Wed Oct 27 03:09:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1341 * reload.h (earlyclobber_operand_p): Declare.
1342 * reload.c (earlyclobber_operand_p): Don't declare. No longer static.
1343 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
1344 an earlyclobbered output conflict with RELOAD_INPUT reloads - handle
1345 case where the RELOAD_OTHER reload is new. Use earlyclobber_operand_p.
1347 Tue Oct 26 18:23:38 1999 Jan Hubicka <hubicka@freesoft.cz>
1348 Richard Henderson <rth@cygnus.com>
1350 * emit-rtl.c (emit_block_insn_before): New.
1351 (emit_block_insn_after): New.
1352 * basic-block.h: Declare them.
1354 * bitmap.h: Protect from multiple inclusion.
1356 * recog.c (scratch_operand): Handle VOIDmode correctly.
1358 * rtl.h (JUMP_CROSS_JUMP_DEATH_MATTERS): New.
1360 * builtins.c (expand_builtin_apply_args_1): Remove STACK_REGS hack.
1361 * function.c (assign_parms): Likewise.
1362 * global.c (global_conflicts): Clarify STACK_REGS commentary.
1364 * reg-stack.c (max_uid): Remove.
1365 (blocks, block_begin, block_end, block_drops_in): Remove.
1366 (block_stack_in, block_out_reg_set, block_number): Remove.
1367 (struct block_info_def, BLOCK_INFO): New.
1368 (enum emit_where): New.
1369 (current_block): New.
1370 (BLOCK_NUM): Remove.
1371 (mark_regs_pat, record_label_references): Remove.
1372 (record_reg_life_pat, record_reg_life, find_blocks): Remove.
1374 (goto_block_pat, print_blocks, dump_stack_info): Remove.
1375 (reg_to_stack): Simplified test for existance of fp code. Use
1376 flow.c code. Call shorten_branches after cross-jump opt.
1377 (check_asm_stack_operands): Renamed from record_asm_reg_life.
1378 Return false if the asm doesn't use stack regs. Don't do life
1379 analysis on the asm.
1380 (emit_pop_insn): Replace function pointer arg `when' with
1381 enum `where'. Update all callers.
1382 (change_stack): Likewise. Update basic block end.
1383 (emit_swap_insn): Use current_block->head to limit reverse search
1384 for start of block. Use emit_block_insn_after.
1385 (subst_stack_regs_pat): Handle USE and CLOBBER patterns.
1386 (subst_asm_stack_regs): Use check_asm_stack_operands. Use direct
1387 structure assignment instead of bcopy.
1389 (convert_regs_entry, convert_regs_exit): New.
1390 (convert_regs_1, convert_regs_2): Split out from convert_regs.
1391 Work on basic blocks and the CFG.
1392 (convert_regs): Use them.
1394 * i386.c (output_fix_trunc): Remove code for DImode input operand
1395 not at top-of-stack.
1396 * i386.c (fix_truncdfdi2, fix_truncsfdi2): Use scratch with
1398 (fix_truncdi_1): Allow any mode scratch.
1400 Tue Oct 26 13:30:35 1999 Richard Henderson <rth@cygnus.com>
1402 * alpha.h (TARGET_MEM_FUNCTIONS): Define here.
1403 * linux.h, netbsd.h, vms.h: Not here.
1405 1999-10-26 Gavin Romig-Koch <gavin@cygnus.com>
1407 * config/mips/mips.h (ISA_HAS_64BIT_REGS,ISA_HAS_BRANCHLIKELY,
1408 ISA_HAS_FP4,ISA_HAS_CONDMOVE): New.
1409 (GENERATE_BRANCHLIKELY,HAVE_SQRT_P,
1410 CONDITIONAL_REGISTER_USEAGE): Use them.
1411 * config/mips/mips.c (mips_move_1word,mips_move_2words,
1412 gen_conditional_branch,override_options) : Use them.
1413 * config/mips/mips.md : Use them.
1415 Tue Oct 26 13:09:23 1999 Richard Henderson <rth@cygnus.com>
1417 * i386.md (zero_extendqihi2): Use SImode register name with andl.
1419 Tue Oct 26 12:35:38 1999 Richard Henderson <rth@cygnus.com>
1421 * integrate.c (function_cannot_inline_p): Don't allow inlining
1424 Tue Oct 26 14:10:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1426 * c-parse.in (cast_expr): Constify.
1428 * cccp.c (special_symbol): Likewise.
1430 * cse.c (hash_cse_reg_info, cse_reg_info_equal_p): Likewise.
1432 * dwarf2out.c (base_type_die): Likewise.
1434 * global.c (allocno_compare): Likewise.
1436 * local-alloc.c (qty_compare_1, qty_sugg_compare_1): Likewise.
1438 * regclass.c (fix_register): Likewise.
1440 * rtl.h (fix_register): Likewise.
1442 * stupid.c (stupid_reg_compare): Likewise.
1444 * toplev.c (decode_f_option): Likewise.
1446 * tree.c (build_complex_type): Likewise.
1448 Tue Oct 26 18:35:25 1999 Richard Earnshaw <rearnsha@arm.com>
1450 * output.h: Don't unnecessarily conditionalize prototypes on TREE_CODE.
1452 Tue Oct 26 15:42:56 1999 Bernd Schmidt <bernds@cygnus.co.uk>
1454 * reload.c (find_reloads): Compute mode and nregs fields of all
1456 * reload1.c (calculate_needs_all_insns): Simplify a bit.
1457 (calculate_needs): Use precomputed mode/nregs values.
1458 (allocate_reload_reg): Likewise.
1460 (failed_reload, set_reload_reg): ... new functions.
1461 (choose_reload_regs_init): New function, mostly broken out from...
1462 (choose_reload_regs): ... here. Lose all the save_xxx nonsense.
1463 Also lose one #if 0 block.
1465 Tue Oct 26 02:48:32 1999 Marc Espie <espie@cvs.openbsd.org>
1467 * Makefile.in (AR_FOR_TARGET, RANLIB_FOR_TARGET): Fix target name
1470 Tue Oct 26 01:27:32 1999 Mark Mitchell <mark@codesourcery.com>
1472 * tree.h (BLOCK_TYPE_TAGS): Remove.
1473 (BLOCK_END_NOTE): Likewise.
1474 (BLOCK_LIVE_RANGE_FLAG): Likewise.
1475 (BLOCK_LIVE_RANGE_START): Likewise.
1476 (BLOCK_LIVE_RANGE_END): Likewise.
1477 (tree_block): Remove live_range_flag, live_range_var_flag, and
1478 type_tags. Remove end_note, live_range_start, and live_range_end.
1479 (remember_end_note): Remove prototype.
1480 * tree.c (build_block): Don't set BLOCK_TYPE_TAGS.
1481 * c-decl.c (poplevel): Don't set BLOCK_TYPE_TAGS or call
1483 * ggc-common.c (ggc_mark_tree_children): Don't mark
1484 BLOCK_TYPE_TAGS or BLOCK_END_NOTE.
1485 * integrate.c (adjust_copied_decl_tree): Remove.
1486 * print-tree.c (print_node): Don't print BLOCK_TYPE_TAGS.
1487 * stmt.c (last_block_end_note): Remove.
1488 (init_stmt): Don't add a GC root for it.
1489 (expand_fixup): Don't set it.
1490 (remember_end_note): Remove.
1491 (expand_end_bindings): Don't set last_block_end_note.
1493 Tue Oct 26 00:41:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
1495 * reload1.c (reload_reg_free_for_value_p): Show
1496 RELOAD_FOR_OTHER_ADDRESS reloads can conflict with RELOAD_OTHER
1499 Mon Oct 25 23:54:45 1999 Geoff Keating <geoffk@cygnus.com>
1501 * expmed.c (extract_bit_field): Allow for the case of non-integer
1502 objects that are smaller than a word (like SFmode on a 64-bit
1505 * loop.c (basic_induction_var): A non-integer variable which is
1506 being set by a paradoxical subreg is probably not a biv.
1508 1999-10-25 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1510 * prefix.c (translate_name) Check for empty prefix string.
1512 Mon Oct 25 23:10:45 1999 Andreas Schwab <schwab@suse.de>
1514 * Makefile.in (CPP_CROSS_NAME): New variable.
1515 (install-cpp): Use it instead of CPP_INSTALL_NAME for the cross
1517 (uninstall-cpp): Use CPP_INSTALL_NAME and CPP_CROSS_NAME for the
1518 names of the files to be uninstalled.
1520 Mon Oct 25 23:03:09 1999 Jeffrey A Law (law@cygnus.com)
1522 * collect2.c (IS_DIR_SEPARATOR): Define.
1523 (prefix_from_string): Use IS_DIR_SEPARATOR and DIR_SEPARATOR.
1525 * som.h (ASM_DECLARE_FUNCTION_NAME): Set PRIV_LEV for static
1528 * haifa-sched.c (add_dependence): Update the true dependency
1529 cache the first time we add a true dependence to the LOG_LINKS chain.
1531 Mon Oct 25 22:27:40 1999 Jim Kingdon <http://developer.redhat.com/>
1533 * fold-const.c (fold): Fix comment.
1535 Mon Oct 25 22:49:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1537 * dbxout.c (lastfile, cwd, dbxout_type_method_1,
1538 dbxout_symbol_location, dbxout_symbol_name, dbxout_init,
1539 dbxout_start_new_source_file, dbxout_source_file,
1540 dbxout_source_line, dbxout_finish, dbxout_type_fields,
1541 dbxout_type_methods, dbxout_symbol, dbxout_prepare_symbol):
1543 (dbxout_types, dbxout_args, dbxout_symbol): Delete prototypes.
1544 (dbxout_symbol): Mark parameter `local' with ATTRIBUTE_UNUSED.
1545 (dbxout_block): Initialize variable `blocknum'.
1547 * dbxout.h (dbxout_init, dbxout_finish,
1548 dbxout_start_new_source_file, dbxout_source_file, dbxout_types,
1549 dbxout_args, dbxout_source_line): Constify a char*.
1551 * dwarfout.c (dwarf_tag_name, dwarf_attr_name,
1552 dwarf_stack_op_name, dwarf_typemod_name, dwarf_fmt_byte_name,
1553 dwarf_fund_type_name, name_attribute, stmt_list_attribute,
1554 low_pc_attribute, high_pc_attribute, body_begin_attribute,
1555 body_end_attribute, comp_dir_attribute, sf_names_attribute,
1556 src_info_attribute, mac_info_attribute, producer_attribute,
1557 lookup_filename, generate_macinfo_entry, fundamental_type_code,
1558 dwarfout_line, dwarfout_start_new_source_file, dwarfout_define,
1559 dwarfout_undef): Constify a char*.
1560 (add_incomplete_type, retry_incomplete_types): Add prototypes.
1562 * dwarfout.h (dwarfout_define, dwarfout_undef,
1563 dwarfout_start_new_source_file, dwarfout_line): Constify a char*.
1565 1999-10-25 Gavin Romig-Koch <gavin@cygnus.com>
1567 * config/mips/mips.h (MIPS_ISA_DEFAULT): Insure it's defined.
1568 (MULTILIB_ISA_DEFAULT): New.
1569 (MULTILIB_DEFAULTS): Use it.
1570 * config/mips/mips.c (): Remove the now unnecessary definition
1571 of MIPS_ISA_DEFAULT.
1572 * config/mips/elf64.h (MULTILIB_DEFAULTS): Remove the now
1573 unnecessary definition.
1575 Mon Oct 25 22:08:35 1999 Richard Earnshaw (rearnsha@arm.com)
1577 * arm.md (pic_load_addr): Add constraints to operand 1.
1579 1999-10-25 Bruce Korb <autogen@linuxbox.com>
1581 * fixinc/genfixes: Provide a means for specifying -D options to
1584 Mon Oct 25 00:42:35 1999 Jeffrey A Law (law@cygnus.com)
1586 * arm.c (arm_override_options): Correct initialization of
1587 arm_fast_multiply, arm_arch4, arm_arch5, arm_ld_sched,
1588 arm_is_strong, and arm_is_6_or_7.
1590 * loop.c (note_set_pseudo_multiple_uses_retval): New variable.
1591 (note_set_pseudo_multiple_uses): New function.
1592 (check_dbra_loop): Use not_set_pseudo_multiple_uses to determine
1593 if a pseudo set in the loop exit is used elsewhere.
1595 Sun Oct 24 20:52:40 1999 Mark Mitchell <mark@codesourcery.com>
1597 * i386.md (mulsi3): Tweak to work with SCO OSR5 COFF assembler.
1599 Sun Oct 24 21:02:46 1999 Richard Henderson <rth@cygnus.com>
1601 * i386.md (*lea_0): Collapse addsi_0, addsi_lea_[123] into
1602 a single load-address pattern.
1604 Sun Oct 24 19:33:24 1999 Mark P. Mitchell <mark@codesourcery.com>
1606 * haifa-sched.c (schedule_insns): Don't assign LUIDs differently
1607 depending on whether or not line-number notes are present.
1609 Sun Oct 24 20:29:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1611 * cccp.c (progname, file_buf, default_include, include_file,
1612 macrodef, definition, hashval, wchar_type, user_label_prefix,
1613 directive, out_fname, if_stack, safe_write, index0, get_lintcmd,
1614 expand_to_temp_buffer, is_system_include, base_name,
1615 absolute_filename, read_name_map, open_include_file,
1616 record_control_macro, check_precompiled, check_preconditions,
1617 pcfinclude, pass_thru_directive, create_definition,
1618 check_macro_name, comp_def_part, collect_expansion,
1619 check_assertion, read_token_list, assertion_install,
1620 assertion_lookup, eval_if_expression, conditional_skip,
1621 validate_else, skip_quoted_string, quote_string, macarg1,
1622 error_from_errno, install, lookup, hashf, dump_defn_1,
1623 perror_with_name, pfatal_with_name, main, trigraph_pcp,
1624 check_white_space, rescan, handle_directive, monthnames,
1625 special_symbol, do_include, remap_include_file, write_output,
1626 arglist, do_assert, do_unassert, do_line, do_error, do_once,
1627 do_ident, do_sccs, do_xifdef, skip_if_group,
1628 output_line_directive, macroexpand, macarg, change_newlines,
1629 initialize_builtins, make_definition): Constify a char*.
1631 * pcp.h (stringdef): Likewise.
1633 Sun Oct 24 13:29:28 1999 Richard Henderson <rth@cygnus.com>
1635 * unroll.c (copy_loop_body): Examine SET_DEST of single_set
1638 Sun Oct 24 13:14:20 1999 Graham <grahams@rcp.co.uk>
1639 Richard Henderson <rth@cygnus.com>
1641 * alias.c: Include ggc.h.
1642 (reg_base_value, new_reg_base_value, reg_base_value_size): Make static.
1643 (record_set): Verify enough room in reg_base_value.
1644 (init_alias_analysis): Allocate reg_base_value with xcalloc.
1645 Register it as a GC root.
1646 (end_alias_analysis): Free reg_base_value. Remove it as a GC root.
1647 * Makefile.in (alias.o): Depend on ggc.h.
1649 * unroll.c (unroll_loop): Verify the insn before a barrier
1650 is a JUMP_INSN before checking JUMP_LABEL.
1652 Sun Oct 24 15:46:44 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1654 * mips/bsd-5.h (ASM_OUTPUT_ASCII): Constify a char*.
1655 * mips/iris4.h (ASM_OUTPUT_ASCII): Likewise.
1656 * mips/mips-5.h (ASM_OUTPUT_ASCII): Likewise.
1657 * mips/mips.h (ASM_OUTPUT_ASCII): Likewise.
1658 * mips/svr3-5.h (ASM_OUTPUT_ASCII): Likewise.
1659 * mips/svr4-5.h (ASM_OUTPUT_ASCII): Likewise.
1661 Sun Oct 24 15:35:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1663 * output.h (ctors_section, dtors_section, bss_section): Prototype.
1665 * alpha/alpha-interix.h (text_section): Delete prototype.
1666 * alpha/elf.h (text_section): Likewise.
1667 * arm/linux-elf.h (text_section): Likewise.
1668 * arm/linux-telf.h (text_section): Likewise.
1669 * c4x/c4x.h (text_section): Likewise.
1670 * dsp16xx/dsp16xx.h (bss_section): Likewise.
1671 * elfos.h (text_section): Likewise.
1672 * i386/aix386ng.h (text_section): Likewise.
1673 * i386/i386-interix.h (text_section): Likewise.
1674 * i386/sco5.h (text_section): Likewise.
1675 * i386/svr3gas.h (text_section): Likewise.
1676 * nextstep.h (text_section): Likewise.
1677 * psos.h (text_section): Likewise.
1678 * ptx4.h (text_section): Likewise.
1679 * svr3.h (text_section): Likewise.
1680 * svr4.h (text_section, ctors_section, dtors_section): Likewise.
1682 Sun Oct 24 15:20:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1684 * final.c (peephole): Delete prototype.
1686 * gcse.c (process_insert_insn, pre_edge_insert): Add prototypes.
1687 (pre_insert_copies): Remove unused variable `bb'.
1689 * genrecog.c (debug_decision_0, debug_decision_list, main): Add
1692 * output.h (peephole): Add prototype.
1694 Sun Oct 24 11:35:30 1999 Mark P. Mitchell <mark@codesourcery.com>
1696 * config/mips/iris6.h (SUBTARGET_ASM_OPTIMIZING_SPEC): Define to
1699 Sat Oct 23 21:13:00 1999 Mark Mitchell <mark@codesourcery.com>
1701 * integrate.c (integrate_decl_tree): Tweak setting of DECL_CONTEXT
1702 for inlined declarations.
1704 Fri Oct 22 18:05:43 1999 Jeffrey A Law (law@cygnus.com)
1706 * arm.c (logical_binary_operator): New fucntion.
1707 * arm.h (logical_binary_operator): Declare it.
1708 (PREDICATE_CODES): Handle logical_binary_operator.
1709 * arm.md (anddi3, anddi_zesidi_di, anddi_sesdi_di): Use "#" for
1710 output constraints. Add appropriate splitters.
1711 (anddi_notdi_di, anddi_notzesidi_di, anddi_notsesidi_di): Likewise.
1712 (iordi3, iordi_zesidi_di, iordi_sesidi_di): Likewise.
1713 (xordi3, xordi_zesidi_di, xordi_sesidi_di): Likewise.
1715 Fri Oct 22 23:46:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
1717 * genoutput.c (struct operand_data): New elt eliminable.
1718 (output_operand_data): Write it.
1719 (scan_operands): Set it for MATCH_OPERAND, clear for other matchers.
1720 (compare_operands): Take it into account.
1721 * recog.h (struct insn_operand_data): New elt eliminable.
1722 * reload1.c (check_eliminable_occurrences, elimination_effects): New
1724 (old_asm_operands_vec, new_asm_operands_vec): Delete.
1725 (eliminate_regs): Move code that detects changes to elimination
1726 target regs into new function elimination_effects.
1727 Delete one #if 0 block.
1728 Abort for USE, CLOBBER, ASM_OPERANDS and SET.
1729 (eliminate_regs_in_insn): Return immediately for USEs, CLOBBERs,
1730 ADDR_VECs, ADDR_DIFF_VECs and ASM_INPUTs.
1731 Only call eliminate_regs for real operands of the insn, not for parts
1732 of its structure or parts matched by things like match_operator.
1733 Use elimination_effects and check_eliminable_occurrences. Use
1734 copy_insn to duplicate the pattern when not in the final pass.
1736 Fri Oct 22 09:03:44 1999 Mark Mitchell <mark@codesourcery.com>
1738 * i386.md: Add missing `y' modifiers to uses of fst, fstp, fld,
1741 1999-10-22 Bruce Korb <autogen@linuxbox.com>
1743 * fixinc/README: document the "mach" machine matching test
1744 * fixinc/fixfixes.c: Implement the #else/#endif label fix
1745 * fixinc/fixtests.c: Implement the #else/#endif label test
1746 * fixinc/inclhack.def: utilize these tests and fixes
1747 * fixinc/inclhack.sh: regen
1748 * fixinc/fixincl.x: regen
1749 * fixinc/fixincl.sh: regen
1751 Thu Oct 21 20:37:19 1999 Jeffrey A Law (law@cygnus.com)
1753 * Makefile.in (cse.o): Depend on hashtab.h, not splay-tree.h. Also
1756 Thu Oct 21 20:30:19 1999 Matthias Klose <doko@debian.org>
1758 * gcc.1: Document exit codes.
1760 Thu Oct 21 12:49:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1762 * calls.c: Include tm_p.h later, so everything we need is defined.
1764 * function.c: Likewise.
1766 * except.c: Include tm_p.h.
1768 * sparc.c: Likewise.
1769 (dwarf2out_cfi_label): Don't prototype.
1770 (check_return_regs, epilogue_renumber,
1771 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
1772 ultra_find_type, ultra_build_types_avail, ultra_flush_pipeline,
1773 ultra_rescan_pipeline_state, set_extends, ultra_code_from_mask,
1774 ultra_schedule_insn): Add static prototype.
1775 (data_segment_operand, text_segment_operand): Call itself with the
1776 proper number of arguments.
1777 (sparc_flat_save_restore, sparc_v8plus_shift): Constify a char*.
1779 * sparc.h: Move all declarations to sparc-protos.h.
1780 (SELECT_RTX_SECTION): Pass a missing MODE argument to
1783 * sparc/sysv4.h (SELECT_RTX_SECTION): Likewise.
1785 * config/svr4.h (text_section, ctors_section, dtors_section): Add
1787 (ASM_OUTPUT_SECTION_NAME, UNIQUE_SECTION,
1788 ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
1789 ASM_OUTPUT_ASCII): Constify a char*.
1791 * sparc-protos.h: New file for sparc prototypes.
1793 Thu Oct 21 12:23:40 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1795 * function.c (record_insns, contains): Always declare and define.
1796 (record_insns): Mark with ATTRIBUTE_UNUSED.
1798 Thu Oct 21 13:03:49 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
1800 * config/arm/telf.h (ASM_OUTPUT_SECTION_NAME): Add %nobits option
1801 to .section when outputting a .bss section to deal with multiple
1802 .bss input sections (as happens with -fdata-sections)
1803 Also output %progbits, not @progbits so the assembler doesn't treat as
1805 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Likewise
1807 * config/arm/lib1funcs.asm (_call_via_rX): Allow compilation of
1808 thumb parts even when building with non-thumb CPUs, by forcing
1811 Wed Oct 20 22:57:58 1999 Jeffrey A Law (law@cygnus.com)
1813 * sparc.md (movsf_const_intreg): If splitting, length must be > 1.
1814 (movdf_const_intreg_sp64): Similarly.
1816 * local-alloc.c (update_equiv_regs): Check the correct insn
1817 for pre-existing REG_EQUIV notes.
1819 Wed Oct 20 20:41:46 1999 Mark Mitchell <mark@codesourcery.com>
1821 * cse.c (cse_end_of_basic_block): Don't return the end of a basic
1822 block reached by a branch if we're not going to actually process
1825 Wed Oct 20 15:18:42 1999 Jim Wilson <wilson@cygnus.com>
1827 * integrate.c (integrate_decl_tree): Set DECL_CONTEXT to 0 if this is
1828 a local extern function declaration.
1830 Wed Oct 20 13:56:01 1999 Richard Henderson <rth@cygnus.com>
1832 * i386.c (ix86_expand_prologue): Properly wrap USE around
1833 reg for CALL_INSN_FUNCTION_USAGE.
1835 Thu Oct 14 18:51:37 1999 Andrew Haley <aph@cygnus.com>
1837 * config/mips/mips.md (movdf_internal1a): Allow floating-point
1838 move between GP_REGs.
1840 Wed Oct 20 15:36:11 1999 Andrew Haley <aph@cygnus.com>
1842 * config/arm/thumb.h (GO_IF_LEGITIMATE_ADDRESS): Take account of
1843 the mode size when finding out if an offset is legal.
1845 Wed Oct 20 06:26:58 1999 Richard Henderson <rth@cygnus.com>
1847 * basic-block.h (PROP_*): Move constants from ...
1849 (compute_bb_for_insn): Free the array before reallocating.
1850 (update_life_info): New arg PROP_FLAGS; pass on to propagate_block.
1851 (allocate_reg_life_data): Reset all reg variables collected by
1853 (get_block_head_tail): Don't convert from bb to block.
1854 (get_bb_head_tail): New. Update all callers of get_block_head_tail.
1855 (find_insn_reg_weight): Take block not bb.
1856 (schedule_block): Don't set block num for moved insns.
1857 (schedule_region): Don't update_life_info or find_insn_reg_weight.
1858 (schedule_insns): Do it here instead.
1859 * combine.c (combine_instructions): Invoke compute_bb_for_insn
1860 before update_life_info.
1861 * recog.c (split_all_insns, peephole2_optimize): Update for
1862 new arg to update_life_info.
1863 * rtlanal.c (remove_note): Cope with NULL note.
1864 * toplev.c (rest_of_compilation): Don't invoke recompute_reg_usage
1867 Wed Oct 20 10:46:41 1999 Richard Earnshaw (rearnsha@arm.com)
1869 * jump.c (jump_optimize_1): More accurately detect casesi insns.
1871 * flow.c (merge_blocks_move_predecessor_nojumps): Re-order the basic
1872 block records so that merge_blocks_nomove will clean up correctly.
1873 (split_edge): Handle casesi insns.
1875 * gcc-page.c: Try MAP_ANON if we don't have MAP_ANONYMOUS.
1877 Tue Oct 19 23:43:50 1999 Jeffrey A Law (law@cygnus.com)
1879 * pa.md (call, call_value): Do not emit a blockage after restoring
1882 Tue Oct 19 17:22:39 1999 Mark Mitchell <mark@codesourcery.com>
1884 * c-typeck.c (c_expand_asm_operands): Fix typo.
1886 Tue Oct 19 18:42:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
1888 * arm.c (fpu_rhs_operand): Verify modes.
1889 (fpu_add_operand): Likewise.
1890 (di_operand): Likewise.
1891 (soft_df_operand): Likewise.
1893 Tue Oct 19 15:26:11 1999 Richard Earnshaw (rearnsha@arm.com)
1895 * arm.c (arm_return_in_memory): APCS rules state that the elements
1896 of a structure returned in a register must be 'integer-like'.
1898 1999-10-19 Bruce Korb <autogen@linuxbox.com>
1900 * fixinc/Makefile.in: Change the generation rules to run `genfixes'
1901 in the source tree when the generated targets are out of date
1902 * fixinc/genfixes: Alter it to run individual fixes for make.
1903 * fixinc/README: rewrite
1904 * fixinc/inclhack.def: moved initial comments to README
1906 Tue Oct 19 14:01:34 1999 Nick Clifton <nickc@cygnus.com>
1908 * toplev.c (main): Do not generate an error message if an
1909 unrecognised command line switch is recognisable by another
1910 language. If extra_warnings are enabled, then generate a
1911 warning message instead.
1913 Tue Oct 19 11:41:12 1999 Mumit Khan <khan@xraylith.wisc.edu>
1915 * c-pragma.h (PRAGMA_INSERT_ATTRIBUTES): Delete macro.
1916 (insert_pack_attributes): Delete prototype.
1918 * c-pragma.c (default_alignment): New static variable.
1919 (push_alignment): Initialize to current effective alignment.
1920 (pop_alignment): Use to set new alignment.
1921 (insert_pack_attributes): Delete function.
1922 (handle_pragma_token): Set default_alignment as well each time
1923 a #pragma pack(<n>) is encountered.
1925 Tue Oct 19 02:03:00 1999 Jeffrey A Law (law@cygnus.com)
1927 * reg-stack.c (stack_result): Aggregates are not returned in
1930 Tue Oct 19 01:26:48 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
1932 * fold-const.c (fold): Fix thinko in x+(-0) -> x transformation.
1934 Mon Oct 18 15:19:41 1999 Richard Henderson <rth@cygnus.com>
1936 * basic-block.h (set_block_num): Declare.
1937 * flow.c (update_life_info): Don't call compute_bb_for_insn
1938 or free_basic_block_vars.
1939 * haifa-sched.c (remove_dependence): Conditionalize on HAVE_cc0.
1940 (insn_orig_block): Remove.
1941 (INSN_BLOCK): Remove. Update all callers to use BLOCK_NUM.
1942 (schedule_block): Keep BLOCK_NUM up-to-date.
1943 (schedule_insns): Use compute_bb_for_insn.
1944 * recog.c (split_all_insns): Likewise.
1945 (peephole2_optimize): Likewise.
1947 Mon Oct 18 18:50:51 1999 Andreas Schwab <schwab@suse.de>
1949 * config/m68k/m68k.h (INITIAL_FRAME_POINTER_OFFSET): Add one word
1950 if the pic register is used.
1952 Mon Oct 18 02:38:46 1999 Bernd Schmidt <bernds@cygnus.co.uk>
1954 * c-decl.c (pushdecl): Use TYPE_CONTEXT rather than TREE_PERMANENT.
1955 (finish_decl): Duplicate test for TREE_ASM_WRITTEN in else branch of
1956 if that tests TREE_PERMANENT.
1958 Mon Oct 18 01:41:35 1999 Jeffrey A Law (law@cygnus.com)
1960 * cse.c (invalidate_for_call): Do not remove memory references from
1961 the table here. It's handled elsewhere.
1963 * haifa-sched.c (add_dependence): Protect references to the
1964 true dependency cache with #ifdef INSN_SCHEDULING.
1965 (remove_dependence): Similarly.
1967 * mn10200.md (outline_epilogue_jump): Embed a (return) to indicate
1968 to the cfg code that this is a return instruction.
1969 * mn10300.md (return_internal): Similarly.
1971 * combine.c (get_last_value): If the last set of a register
1972 is after subst_low_cuid, then we can not use it to determine
1973 the register's last value.
1975 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
1977 * Makefile.in: Back out previous change.
1979 Sun Oct 17 15:22:50 1999 Jeffrey A Law (law@cygnus.com)
1981 * pa.c (move_operand): Reject (lo_sum (reg) (unspec ...)).
1983 * haifa-sched.c (add_dependence): Only check/update the cache
1985 (remove_dependence): Likewise.
1986 (schedule_insns): Only create the true_dependency_cache if the
1987 average number of instructions in a basic block is very large.
1989 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
1991 * Makefile.in (ggc-common.o): Depend on genrtl.h.
1992 (ggc-simple.o): Likewise.
1993 (ggc-page.o): Likewise.
1995 Sun Oct 17 02:09:50 1999 Andrew MacLeod <amacleod@cygnus.com>
1997 * basic-block.h (pre_edge_lcm, pre_edge_rev_lcm, compute_available):
1998 Prototype for exported functions.
1999 (pre_lcm, pre_rev_lcm): Remove prototypes.
2000 * gcse.c (compute_ae_kill): Add ae_gen and ae_kill as parameters.
2001 (compute_available): Move to lcm.c, and change parameter order.
2002 (one_classic_gcse_pass): Call compute_ae_kill with parameters.
2003 (pre_insert, s_preds, s_succs, num_preds, num_succs): Delete.
2004 (gcse_main): No longer call compute_preds_succs. Rebuild the
2005 set table after reach pre pass.
2006 (pre_insert_map, pre_delete_map, edge_list): New.
2007 (alloc_pre_mem): Allocate edge vectors.
2008 (free_pre_mem): Delete edge vectors.
2009 (compute_pre_data): Call new edge based lcm routines.
2010 (process_insert_insn): New function.
2011 (insert_insn_end_bb): Use it.
2012 (pre_edge_insert): New function.
2013 (pre_insert_copy_insn): Formatting fixes. Update BLOCK_END as
2015 (pre_insert_copies): Revamp using new edge based lcm outputs.
2016 (pre_delete): Likewise.
2017 (one_pre_gcse_pass): Insert & remove fake edges to the exit
2019 (compute_code_hoist_vbeinout): New new edge based routines.
2020 * lcm.c: Remove all the old LCM functions. Replace with new ones
2021 that work with the new cfg datastructures and work with edges
2024 Sun Oct 17 00:44:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
2026 * reload.h (struct reload): Add new fields "mode" and "nregs".
2027 * reload1.c: Change all occurrences of reload_mode and reload_nregs
2028 to reference the "mode" and "nregs" field within struct reload.
2030 Sat Oct 16 21:50:28 1999 Jeffrey A Law (law@cygnus.com)
2032 * haifa-sched.c (true_dependency_cache): New.
2033 (add_dependence): Use the true dependency cache to avoid expensive
2034 walks down the LOG_LINKS dependency list. Add entries to the
2036 (remove_dependence): Remove entries from the true dependency cache
2038 (schedule_insns): Allocate and initialize and free the true
2041 * haifa-sched.c (schedule_insns): Do not remove inter-block
2042 dependencies anymore.
2044 Sat Oct 16 11:19:52 1999 Richard Henderson <rth@cygnus.com>
2046 * i386/t-cygwin (winnt.o): Depend on RTL_H and TREE_H.
2047 * i386/t-winnt: Likewise.
2049 Sat Oct 16 11:11:54 1999 Richard Henderson <rth@cygnus.com>
2051 * ggc-page.c (init_ggc): Work around SunOS unaligned mmap bug.
2053 1999-10-16 Manfred Hollstein <mhollstein@cygnus.com>
2055 * Makefile.in (LANGUAGES): Omit "proto".
2056 (clean): Remove stale comment about removing unprotoize.c.
2058 Sat Oct 16 11:29:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2060 * protoize.c (safe_read, safe_write): Avoid the gcc extension of
2061 using arithmetic on void pointers.
2063 Sat Oct 16 02:48:22 1999 Jeffrey A Law (law@cygnus.com)
2065 * haifa-sched.c (compute_block_forward_dependencies): Only check
2066 for notes, deleted insns and duplicates if ENABLE_CHECKING is defined.
2068 Sat Oct 16 00:07:01 1999 Richard Henderson <rth@cygnus.com>
2070 * gcse.c (hash_expr_1): Add in MEM_ALIAS_SET.
2071 (expr_equiv_p): Reject memories with different alias sets.
2073 Fri Oct 15 15:17:29 1999 Greg McGary <gkm@gnu.org>
2075 * flags.h (flag_bounds_check, flag_bounded_pointers): New extern decls.
2076 * toplev.c (flag_bounds_check, flag_bounded_pointers): New flags.
2077 (f_options): Add "bounded-pointers" and "bounds-check" entries.
2078 * c-lang.c (lang_init_options): Set flag_bounds_check as "unspecified".
2079 (lang_init): Set default for flag_bounds_check if still "unspecified".
2081 Sat Oct 16 13:42:29 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2083 * config/c4x/c4x.md (HF mode patterns): Add missing modes.
2085 Sat Oct 16 13:37:46 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2087 * config/c4x/c4x.md (movstrqi_small): Utilise parallel move
2090 Sat Oct 16 13:26:47 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2092 * config/c4x/c4x.md (*db_noclobber,
2093 *decrement_and_branch_until_zero_noclobber): New patterns and
2094 associated splitters.
2096 Sat Oct 16 13:13:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2098 * config/c4x/c4x.md (parallel instruction patterns): Rework
2099 constraints to keep reload happy.
2101 Sat Oct 16 13:03:16 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2103 * config/c4x/c4x.md (*absqi2_noclobber, *negqi2_noclobber,
2104 *one_cmplqi2_noclobber, *subqi3_noclobber, *andqi3_255_noclobber,
2105 *andqi3_65535_noclobber, *andnqi3_noclobber, *xorqi3_noclobber):
2106 Add new patterns and associated post-reload splitters.
2108 Sat Oct 16 12:42:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2110 * config/c4x/c4x.c (c4x_emit_libcall): Use ggc_alloc_string.
2112 Sat Oct 16 12:34:44 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2114 * config/c4x/c4x.c (c4x_rptb_insert): Emit rpts_top pattern
2116 * config/c4x/c4x.md (rpts_top): New pattern and splitter.
2118 Sat Oct 16 12:26:30 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2120 * config/c4x/c4x.c (src_operand): Check SYMBOL_REF and LABEL_REF
2123 Fri Oct 15 17:02:09 1999 Jeffrey A Law (law@cygnus.com)
2125 * pa.c (move_operand): Rely on memory_address_p to determine the
2126 validity of non-indexed memory addresses.
2127 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow LO_SUM with a symbolic
2128 operand in DFmode and SFmode when generating PA2.0 code.
2130 Fri Oct 15 14:25:19 1999 Richard Henderson <rth@cygnus.com>
2132 * print-rtl.c (print_rtx): Limit last 'u' change to LABEL_REF.
2134 Fri Oct 15 13:48:45 1999 Richard Henderson <rth@cygnus.com>
2136 * mips.c (function_prologue): Fix argument types.
2137 * mips.md (casesi): Use emit_jump_insn for casesi_internal.
2138 (casesi_internal): Write to the scratch register.
2140 1999-10-15 11:16 -0700 Zack Weinberg <zack@bitmover.com>
2142 * cppexp.c (cpp_parse_escape): Make static. Change second arg
2144 (parse_charconst): Delete unnecessary cast when calling
2146 (cpplib.h): Kill prototype of cpp_parse_escape.
2148 Fri Oct 15 11:02:46 1999 Richard Henderson <rth@cygnus.com>
2150 Based on patch from Michael Gschwind <mikeg@watson.ibm.com>:
2151 * unroll.c (unroll_loop): Cast return value of alloca.
2152 * i370/i370.c: Include function.h and toplev.h.
2153 (i370_label_scan): Remove c++ commented abort.
2154 * i370/i370.h (HANDLE_PRAGMA): Takes three arguments.
2155 (ASM_OUTPUT_LABELREF): Fix TOUPPER/else broken 16 Sept.
2156 * i370/xm-i370.h (HOST_BITS_PER_LONGLONG): Define.
2157 * i370/xm-mvs.h, i370/xm-oe.h: Likewise.
2159 Fri Oct 15 03:01:01 1999 Loren Rittle <ljrittle@acm.org>
2161 * config/t-freebsd: Do not override USER_H.
2162 * ginclude/stddef.h: Generalize check for _MACHINE_ANSI_H_.
2164 Fri Oct 15 02:37:28 1999 Alastair J. Houghton <ajh8@doc.ic.ac.uk>
2165 Mumit Khan <khan@xraylith.wisc.edu>
2167 * c-parse.in (component_decl): Support anonymous struct/union.
2169 * c-parse.y: Regenerate.
2170 * c-parse.c: Likewise.
2171 * objc/objc-parse.y: Likewise.
2172 * objc/objc-parse.c: Likewise.
2173 * c-decl.c (finish_struct): Don't sort the fields.
2174 (field_decl_cmp): Delete unused function.
2176 Fri Oct 15 01:20:52 1999 Richard Henderson <rth@cygnus.com>
2178 * sparc.md (movsf_const_intreg): Revert last constraint change.
2179 (movdf_const_intreg_sp32): Likewise.
2181 Fri Oct 15 01:47:51 1999 Vladimir Makarov <vmakarov@loony.cygnus.com>
2183 * cse.c: Include hashtab.h instead of splay-tree.h
2184 (struct cse_reg_info): No longer use variant union. Add new
2185 field "regno". All references changed to avoid union.
2186 (cse_reg_info_used_list, cse_reg_info_used_list_end): New variables.
2187 (free_cse_reg_info): Remove.
2188 (hash_cse_reg_info, cse_reg_info_equal_p): New functions.
2189 (get_cse_reg_info): Revamp to use expandable hash tables instead
2190 of splay trees. Initialize new fields in cse_reg_info structure.
2191 (new_basic_block): Similarly.
2193 Thu Oct 14 23:51:56 1999 Richard Henderson <rth@cygnus.com>
2195 * genrecog.c (message_with_line): Prototype.
2196 (validate_pattern): Pass along the set for the dest, not a flag.
2197 Fix non-lvalue message. Don't warn for VOIDmode SET_DEST of CALL.
2198 Check for PC/CC0 as sources.
2199 (nodes_identical): Check for children position match before
2200 allowing the combination.
2202 * rtl.c (read_rtx): Track line number across \\\n.
2204 Thu Oct 14 23:50:25 1999 Richard Henderson <rth@cygnus.com>
2206 * mips.h (SPECIAL_MODE_PREDICATES): New.
2207 * mips.md (*) Use nonimmediate_operand not general_operand for outputs.
2208 (movdi+1, movsi+1): Add output reload constraint.
2209 (casesi_internal): Likewise. Fix commentary.
2210 (return_internal): Use pmode_register_operand.
2212 Thu Oct 14 23:19:34 1999 Richard Henderson <rth@cygnus.com>
2214 * 1750a.md (movstrqi): Add missing output reload constraint.
2215 (call_value): Likewise.
2216 * a29k.md (cpxxx patterns): Add missing match_operator mode.
2217 (jmpfdec): Add missing inout reload constraint.
2218 * elxsi.md (addsi patterns): Add missing output reload constraint.
2219 (move from sp): Use @ alternates.
2220 (call_value): No constraint on output.
2221 * fr30.md (movsi_pop): Add missing output reload constraint.
2222 (movsf_constant_store): Likewise.
2223 (splits): Remove constraints.
2224 (subsi3): Add missing mode.
2225 * i370.md (cmpstrsi+1): Add missing output reload constraint.
2226 (call_value): Likewise.
2227 * i960.md (cmpinc/cmpdec patterns): Add inout reload constraints.
2228 * m32r.h (PREDICATE_CODES): Add seth_add3_operand.
2229 * m32r.md (movsicc_internal): Add output reload constraint.
2230 (movstrsi_internal): Add inout reload constraints.
2231 * m88k.h (reg_names): Don't declare.
2232 (SPECIAL_MODE_PREDICATES): New.
2233 * m88k.md (*): Use register_operand not reg_or_0_operand
2235 * mn10200.h (PREDICATE_CODES): New.
2236 * ns32k.md (ffs pattern): Add output reload constraint.
2237 * pdp11.md (sob pattern): Add inout reload constraint.
2238 * sh.md (splits): Remove constraints.
2239 (indirect_jump_scratch, fpu_switch): Add output reload constraint.
2240 * v850.md (pattern_is_ok_for_epilogue): Likewise.
2241 * vax.md (jgequ pattern): Add inout reload constraint.
2243 Fri Oct 15 00:05:00 1999 Jeffrey A Law (law@cygnus.com)
2245 * configure.in (djgpp): Revert previous patch.
2246 * configure: Rebuit.
2247 * config/i386/djgpp.h: Revert previous patch.
2249 Fri Oct 15 00:00:24 1999 Loren J. Rittle <ljrittle@acm.org>
2251 * fixinc/inclhack.def: Restore patch lost during last merge of
2252 "no_bogosity" branch.
2253 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
2255 Thu Oct 14 23:57:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
2257 * fixincludes: Add a HPUX 11 fix for inttypes.h.
2258 * fixinc/inclhack.def: Same.
2259 * fixinc/inclhack.sh, fixinc/fixincl.sh, fixinc/fixincl.x: Regenerate.
2261 Thu Oct 14 22:51:55 1999 Richard Henderson <rth@cygnus.com>
2263 * alpha.h (GO_IF_LEGITIMATE_SIMPLE_ADDRESS): Accept ADDRESSOF
2264 as the base of a PLUS.
2266 Fri Oct 15 18:36:07 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2268 * config/c4x/c4x.md: Define mode for remaining unspec operators.
2269 * config/c4x/c4x.c (dst_operand): Use nonimmediate_operand.
2271 Thu Oct 14 22:14:23 1999 Richard Henderson <rth@cygnus.com>
2273 * pa.md (post_stw+1): Use pmode_register_operand.
2274 (dcacheflush, icacheflush): Likewise.
2276 * i386.md (movstricthi_1): Allow r/r.
2278 Thu Oct 14 19:44:08 1999 Jan Hubicka <hubicka@freesoft.cz>
2280 * fold-const.c (fold): Convert (or (not arg0) (not arg1))
2281 to (not (and (arg0) (arg1))). Similary for and.
2283 * fold-const.c (fold): Move bit_rotate code to the EXPR_PLUS case,
2284 falltrought to assocate code.
2285 Convert XOR to OR in code like (a&c1)^(a&c2) where c1 and c2 don't have
2288 * combine.c (simplify_logical): Convert XOR to IOR if operands have
2289 no bits in common; remove XOR to ROTATE conversion.
2291 Fri Oct 15 17:40:11 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2293 * config/c4x/c4x.h (c4x_va_start, c4x_va_arg): Declare.
2295 Fri Oct 15 17:27:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2297 * config/c4x/c4x.c (dst_operand): New.
2298 (PREDICATE_CODES): Update.
2299 * config/c4x/c4x.h (dst_operand): Declare it.
2300 * config/c4x/c4x.md: Define mode for each unspec usage.
2301 (move patterns): Use dst_operand predicate instead of src_operand.
2302 (movqi_update, movqf_update): Delete.
2304 Thu Oct 14 18:48:54 1999 Richard Henderson <rth@cygnus.com>
2306 * recog.c (pmode_register_operand): New.
2307 * recog.h: Declare it.
2308 * genrecog.c (pred_codes): Likewise.
2309 (special_mode_pred_table): Likewise.
2310 (validate_pattern): Don't warn no mode for address_operand.
2312 * print-rtl.c (print_rtx) [LABEL_REF]: Only do full subexpression
2313 if the operand is not insn-like.
2315 Thu Oct 14 19:38:42 1999 Jeffrey A Law (law@cygnus.com)
2316 Sylvian Pion <Sylvain.Pion@sophia.inria.fr>
2318 * fold-const.c (fold): Handle more simplifications allowed by IEEE.
2320 Thu Oct 14 17:30:14 1999 Richard Henderson <rth@cygnus.com>
2322 * sparc.md (*): Use {nonimmediate,register}_operand as appropriate
2323 instead of general_operand in a SET_DEST. Use const_double_operand
2324 instead of an explicit test against CONST_DOUBLE.
2325 (movsf_const_lo): Add missing register mode.
2326 (goto_handler_and_restore): Add auxiliary test for Pmode.
2327 (flush): Adjust to use address_operand.
2328 (return_sf_no_fpu): Add missing output constraint.
2330 Thu Oct 14 17:21:26 1999 Richard Henderson <rth@cygnus.com>
2332 * rs6000.md (call_value_indirect_aix32): Use wildcard match_operand
2333 for call return value.
2334 (call_value_indirect_aix64, call_value_indirect_nt): Likewise.
2336 Thu Oct 14 13:54:25 1999 Jason Merrill <jason@yorick.cygnus.com>
2338 * toplev.c (main): Only warn about options for other languages.
2339 * collect2.c (main): Pass -w to sub-gcc.
2341 Thu Oct 14 16:27:50 1999 Richard Henderson <rth@cygnus.com>
2343 * flow.c (propagate_block): Add call-clobbered registers to
2346 * flow.c (propagate_block): Use free_EXPR_LIST_list instead of
2347 zapping mem_set_list.
2348 (invalidate_mems_from_autoinc): Use free_EXPR_LIST_node.
2349 (mark_set_1, mark_used_regs): Likewise.
2351 Thu Oct 14 10:51:49 1999 Richard Henderson <rth@cygnus.com>
2353 * m68k.md (zero_extendsidi2): Add missing output reload constraint.
2355 Wed Oct 13 00:09:18 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2357 * invoke.texi: Label -Wbad-function-cast, -Wmissing-prototypes,
2358 -Wnested-externs, -Wstrict-prototypes, and -Wtraditional as C only
2359 options. Also add a new item "C-only Warning Options" to the
2362 1999-10-14 Gavin Romig-Koch <gavin@cygnus.com>
2364 * libgcc2.c (__do_global_dtors): Protect __deregister_frame_info
2365 from multiple calls.
2367 Thu Oct 14 04:54:54 1999 Richard Henderson <rth@cygnus.com>
2369 * i386.md (call value patterns): Move to the end of the file.
2370 (prologue_set_got, prologue_get_pc): Use register_operand for op 0.
2372 1999-10-14 Mark Elbrecht <snowball3@bigfoot.com>
2374 * configure.in (djgpp configuration): Define extra_objects..
2375 * configure: Rebuilt.
2376 * config/i386/djgpp.h (CTORS_SECTION_ASM_OP): Define.
2377 (DTORS_SECTION_ASM_OP): Define.
2378 (INIT_SECTION_ASM_OP): Define.
2379 (FINI_SECTION_ASM_OP): Define.
2380 (DATA_SECTION_ASM_OP): Define.
2381 (TEXT_SECTION_ASM_OP): Define.
2382 (EH_FRAME_SECTION_ASM_OP): Define.
2383 (LINK_COMMAND_SPEC): Remove -Tdjgpp.djl.
2384 (STARTFILE_SPEC): Add crtbegin.o.
2385 (ENDFILE_SPEC): Define and add crtend.o. Move argument -Tdjgpp.djl
2386 to here from LINK_COMMAND_SPEC.
2387 (DO_GLOBAL_CTORS_BODY): Define.
2388 (CRTSTUFF_USE_FINI_SECTION): Define
2389 (HAS_INIT_SECTION): Delete.
2391 Thu Oct 14 05:08:14 1999 Andreas Schwab <schwab@suse.de>
2393 * Makefile.in (all.cross): Depend on xcpp$(exeext).
2395 Thu Oct 14 04:00:40 1999 Richard Henderson <rth@cygnus.com>
2397 * pa.h (PREDICATE_CODES): New.
2399 * genrecog.c (validate_pattern): Condense the destination
2402 Thu Oct 14 03:23:08 1999 Richard Henderson <rth@cygnus.com>
2404 * alpha.md (call-1): Supply missing mode for operator.
2405 (*): Add missing output reload constraints. Remove constraints
2408 * i386.h (SPECIAL_MODE_PREDICATES): New.
2409 * i386.md (movstricthi_1): Use nonimmediate_operand for op 0.
2410 (movqi_1, movdi_1, movdi_2, some splits): Likewise.
2411 (addsi_lea_3): Add missing mode for op 3.
2412 (prologue_set_got, prologue_get_pc): Add missing modes.
2413 (*) Add missing output reload constraints.
2415 Thu Oct 14 03:59:57 1999 Stephane Carrez <stcarrez@worldnet.fr>
2417 * stor-layout.c (layout_union): Use HOST_WIDE_INT for const_size;
2418 check for member bit-size overflow and use var_size if it occurs.
2419 (layout_record): Use bitsize_int() to define the type size in bits.
2420 Likewise for computation and assignment to DECL_FIELD_BITPOS.
2421 (layout_decl): Likewise when assigning to DECL_SIZE.
2423 Thu Oct 14 02:57:05 1999 Richard Henderson <rth@cygnus.com>
2425 * genrecog.c (validate_pattern): Typo last change. Verify
2426 that output operands have output reloads.
2428 Thu Oct 14 01:49:54 1999 Richard Henderson <rth@cygnus.com>
2430 * genrecog.c (special_mode_pred_table): New.
2431 (NUM_SPECIAL_MODE_PREDS): New.
2432 (find_operand): New.
2433 (validate_pattern): New argument `insn'. Warn for assignment to
2434 any predicate accepting non-lvalues. Conditionaly warn for
2435 match_operand without a mode. Try much harder to match source
2436 and destination modes on a set.
2437 * tm.texi (SPECIAL_MODE_PREDICATES): Document.
2439 Thu Oct 14 02:54:13 1999 Jeffrey A Law (law@cygnus.com)
2441 * fold-const.c (fold): Detect rotates built from BIT_XOR_EXPRs.
2443 Thu Oct 14 02:18:19 1999 Marc Espie <espie@cvs.openbsd.org>
2445 * combine.c (simplify_logical): Recognize xor pattern that encodes
2448 Wed Oct 13 23:23:45 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2450 * rs6000.c (expand_block_move): Use INTVAL, not XINT to access
2453 Wed Oct 13 21:47:18 1999 Richard Henderson <rth@cygnus.com>
2455 * ggc-page.c (MAP_FAILED): Provide default.
2457 Wed Oct 13 21:41:59 1999 Richard Henderson <rth@cygnus.com>
2459 * sparc.c (symbolic_operand): Verify mode; don't accept CONST_DOUBLE.
2460 * sparc.h (PREDICATE_CODES): Update.
2462 Wed Oct 13 21:18:17 1999 Richard Henderson <rth@cygnus.com>
2464 * alpha.c (some_ni_operand): New.
2465 * alpha-protos.h: Declare it.
2466 * alpha.h (PREDICATE_CODES): Update.
2467 * alpha.md (sXaddq reload insns): Use some_ni_operand
2468 for SET_DEST instead of some_operand.
2470 Wed Oct 13 21:04:45 1999 Richard Henderson <rth@cygnus.com>
2471 Jim Wilson <wilson@cygnus.com>
2473 * genrecog.c (maybe_both_true_2): Don't compare modes of
2475 (process_tree): Elide peephole2_insns. Invoke simplify_tests
2476 after find_afterward.
2477 (debug_decision_1): Dump next and afterward codes.
2479 Wed Oct 13 20:35:16 1999 Richard Henderson <rth@cygnus.com>
2481 * rtl.c (dump_and_abort): Remove.
2482 (fatal_with_file_and_line): New.
2483 (fatal_expected_char): New.
2484 (read_rtx_lineno, read_rtx_filename): New.
2485 (read_skip_spaces): Track line number.
2486 (read_name): Use fatal_with_file_and_line.
2487 (read_rtx): Use fatal_expected_char. Track line number.
2488 * rtl.h (read_rtx_filename, read_rtx_lineno): Declare.
2490 * print-rtl.c (print_rtx): Don't special case LABEL_REF argument
2491 if it isn't a CODE_LABEL.
2493 * genattr.c (main): Set read_rtx_filename.
2494 * genattrtab.c (main): Likewise.
2495 * gencodes.c (main): Likewise.
2496 * genconfig.c (main): Likewise.
2497 * genemit.c (main): Likewise.
2498 * genextract.c (main): Likewise.
2499 * genflags.c (main): Likewise.
2500 * genopinit.c (main): Likewise.
2501 * genoutput.c (main): Likewise.
2502 * genpeep.c (main): Likewise.
2504 * genrecog.c (decision_test.u.insn): Add `lineno'.
2505 (pattern_lineno, error_count): New variables.
2506 (message_with_line): New.
2507 (add_to_sequence): Break out checking code to ...
2508 (validate_pattern): ... here. Detect SET_DEST matching CONST_INT.
2509 (merge_insn): Use message_with_line.
2510 (make_insn_sequence): Use validate_pattern. Record insn lineno.
2511 (main): Set read_rtx_filename, pattern_lineno. Exit early on error.
2513 Wed Oct 13 22:01:35 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2515 * expr.c (store_constructor): Clear union if constructor is empty.
2517 Wed Oct 13 15:19:04 1999 Jim Wilson <wilson@cygnus.com>
2519 * config/rs6000/sysv4.h (CC1_SPEC): Fix errors from Jan 19 change.
2520 Add !endian checks. Change %{...} to %(...).
2522 Wed Oct 13 13:30:34 1999 Richard Henderson <rth@cygnus.com>
2524 * i386.md (*addsi3_cc): Renamed from addcsi3.
2525 (*addsi3_carry): Renamed from addxsi3.
2526 (*subsi3_cc): Renamed from subcsi3.
2527 (*subsi3_carry): Renamed from subxsi3.
2528 (*xorqi_cc_1): Renamed from xorcqi_1.
2529 (xorqi_cc_ext_1): Renamed from xorcqi_ext_1.
2530 * i386.c (ix86_expand_fp_compare): Update for xorqi_cc_ext_1.
2532 Wed Oct 13 13:10:46 1999 Richard Henderson <rth@cygnus.com>
2534 * Makefile.in (ggc-common.o): Depend on RTL_H not RTL_BASE_H.
2535 (ggc-simple.o, ggc-page.o, ggc-none.o, ggc-callbacks.o): Likewise.
2537 1999-10-13 Brendan Kehoe <brendan@cygnus.com>
2539 * regmove.c (optimize_reg_copy_3): Make sure P is non-nil as we
2540 climb up the chain of insns.
2542 Wed Oct 13 10:20:58 1999 Richard Henderson <rth@cygnus.com>
2544 * genrecog.c (write_subroutine): Careful for null trees.
2545 (process_tree): Don't elide empty functions.
2547 Wed Oct 13 10:07:54 1999 Richard Henderson <rth@cygnus.com>
2549 * Makefile.in (genrtl.o): Depend on ggc.h.
2550 * configure.in (valloc): Probe for it.
2551 (with-gc): Use ggc-page if valloc present.
2552 * ggc-common.c (ggc_mark_rtx_children): Use ggc_mark_if_gcable.
2553 (ggc_mark_rtvec_children): New from corpse of ggc_mark_rtvec.
2554 (ggc_alloc_string): Moved from ggc-page.c.
2555 * ggc-none.c (ggc_alloc_obj): New.
2556 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove.
2557 * ggc-page.c (sys/mman.h): Only include if HAVE_MMAP.
2558 (struct globals): Likewise for dev_zero_fd.
2559 (init_ggc): Likewise for it's initialization.
2560 (ggc_allocated_p): Move careful dereference from ...
2561 (ggc_lookup_page_table): ... here. Delete.
2562 (lookup_page_table_entry): Don't use ggc_lookup_page_table.
2563 (alloc_anon): Use valloc if no mmap.
2564 (release_pages): Use free if using valloc.
2565 (ggc_alloc_obj): Renamed from alloc_obj.
2566 (ggc_set_mark): Renamed from mark_obj.
2567 (ggc_mark_if_gcable): Renamed from ggc_mark_string_if_gcable.
2568 (ggc_alloc_rtx, ggc_alloc_rtvec): Delete.
2569 (ggc_alloc_tree, ggc_alloc_string, ggc_alloc): Delete.
2570 (ggc_set_mark_rtx, ggc_set_mark_rtvec): Delete.
2571 (ggc_set_mark_tree, ggc_mark_string, ggc_mark): Delete.
2572 (ggc_collect): Use fp printing instead of our own rounding.
2573 * ggc-simple.c (IS_MARKED, IGNORE_MARK): Delete.
2574 (GGC_STRING_MAGIC, GGC_STRING_MAGIC_MARK): Delete.
2575 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): Delete.
2576 (struct ggc_rtx, struct ggc_rtvec, struct ggc_tree): Delete.
2577 (struct ggc_string, struct ggc_any): Delete.
2578 (offsetof): Provide default definition.
2579 (GGC_BALANCE, GGC_ALWAYS_COLLECT, GGC_ALWAYS_VERIFY): New.
2581 (struct ggc_mem): New, from corpse of ggc_any.
2582 (struct ggc_status): Delete.
2583 (ggc_chain, ggc_allocated_strings, ggc_strings_used): Delete.
2584 (n_rtxs_collected, n_vecs_collected, n_trees_collected): Delete.
2585 (n_strings_collected, n_anys_collected): Delete.
2586 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Delete.
2587 (ggc_alloc_string, ggc_alloc): Delete.
2588 (ggc_free_rtx, ggc_free_rtvec, ggc_free_tree): Delete.
2589 (ggc_free_string, ggc_free_any): Delete.
2590 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Delete.
2591 (ggc_compare_addresses, ggc_mark_string): Delete.
2592 (ggc_mark_string_if_gcable, ggc_mark): Delete.
2593 (search_data): Delete.
2594 (struct globals): New.
2595 (GGC_MIN_EXPAND_FOR_GC, GGC_MIN_LAST_ALLOCATED): New.
2596 (tree_insert, tree_lookup): New.
2597 (ggc_alloc_obj, ggc_set_mark, ggc_mark_if_gcable): New.
2598 (clear_marks, sweep_objs): New.
2599 (ggc_collect): Gut. Use clear_marks, sweep_objs.
2600 (init_ggc): Set allocated_last_gc.
2601 (ggc_push_context): Gut. Use G.context.
2602 (ggc_pop_context): Likewise.
2603 (ggc_pop_context_1): New.
2604 (debug_ggc_tree): New.
2605 (debug_ggc_balance, tally_leaves): New.
2606 * ggc.h (ggc_mark_rtvec, ggc_mark_string, ggc_mark): Remove decl.
2607 (ggc_mark_string_if_gcable): Remove decl.
2608 (ggc_mark_rtx, ggc_mark_tree): Use ggc_set_mark.
2609 (ggc_mark_rtvec_children): New.
2610 (ggc_mark_rtvec, ggc_mark_string, ggc_mark): New.
2611 (ggc_mark_if_gcable): New decl.
2612 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove decl.
2613 (ggc_alloc_tree, ggc_alloc): Likewise.
2614 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Likewise.
2615 (ggc_alloc_obj): New decl.
2616 (ggc_alloc_rtx, ggc_alloc_rtvec): New macros.
2617 (ggc_alloc_tree, ggc_alloc): Likewise.
2618 (ggc_set_mark): New decl.
2619 * rtl.h (struct rtx_def): Remove gc_mark.
2620 (struct rtvec_def): Likewise.
2621 * tree.h (struct tree_common): Likewise.
2623 Wed Oct 13 01:44:29 1999 Carol LePage <carolo@hal.com>
2625 * configure.in (sparc-hal-solaris2*): Fix xm_file, xm_defines,
2626 float_format and thread_file definitions.
2627 * configure: Rebuilt.
2629 Wed Oct 13 09:25:03 1999 Niels Möller <nisse@lysator.liu.se>
2631 * extend.texi (Function Names): Document types of function names.
2633 Wed Oct 13 00:45:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
2635 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
2636 an earlyclobbered output conflict with RELOAD_INPUT reloads.
2638 Tue Oct 12 23:28:28 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2640 * sh.h (BOOL_TYPE_SIZE): Don't use INT_TYPE_SIZE / CHAR_TYPE_SIZE.
2642 Tue Oct 12 23:19:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2644 * sh.h (REGISTER_MOVE_COST): Change PR_REG to PR_REGS.
2646 Tue Oct 12 17:09:38 1999 David Edelsohn <edelsohn@gnu.org>
2648 * collect2.c (main): Do prelimnary link on AIX if rflag.
2650 Tue Oct 12 09:45:19 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
2652 * config/rs6000/eabi-ctors.c (__do_global_ctors): Run through
2653 __CTOR_LIST__ in opposite order, which is the correct order for sorted
2655 (__do_global_dtors): similarly for __DTOR_LIST__.
2657 Fri Oct 8 19:46:03 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2658 Diego Novillo <dnovillo@cygnus.com>
2660 * config/sh/sh.h (REGISTER_MOVE_COST): Handle moves from T_REGS to
2663 Tue Oct 12 07:38:41 1999 Bruce Korb <autogen@linuxbox.com>
2665 * fixincl/*: Merged "no_bogosity" branch
2666 * fixincl/fixlib.h: protect against doubly defining t_bool
2667 * fixincl/server.h: protect against doubly defining t_bool
2669 Mon Oct 11 20:18:41 1999 Jim Wilson <wilson@cygnus.com>
2671 * genoutput.c: Include toplev.h.
2673 Mon Oct 11 18:56:14 1999 Jim Wilson <wilson@cygnus.com>
2675 * config/sparc/liteelf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
2677 * configure.in (sparclite-*-elf, sparc86x-*-elf): Don't use libgloss.h.
2678 * configure: Regenerate.
2680 Mon Oct 11 16:07:49 1999 Richard Henderson <rth@cygnus.com>
2682 * gcse.c (delete_null_pointer_checks): Returns void.
2684 Mon Oct 11 20:31:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
2686 * rtl.c (copy_rtx): Don't use accessor macros to copy fields.
2687 * emit-rtl.c (copy_insn_1): Likewise.
2689 Mon Oct 11 13:29:06 1999 Geoffrey Keating <geoffk@cygnus.com>
2691 * config/mips/mips.c (mips_build_va_list): Correct
2692 TREE_CHAIN setting when hard-float.
2693 (mips_va_start): Use corrected setting.
2694 (mips_va_arg): Likewise. Also pass a tree to build of
2695 POSTINCREMENT_EXPR rather than a naked 'int'.
2697 Sun Oct 10 18:27:27 1999 Mark Mitchell <mark@codesourcery.com>
2699 * ggc.h (ggc_push_context): Fix comment.
2700 (ggc_pop_context): Likewise.
2701 (mark_string_if_gcable): Likewise.
2702 * ggc-common.c (ggc_mark_rtx_children): Use
2703 ggc_mark_string_if_gcable.
2704 * ggc-page.c (ggc_lookup_page_table): New function.
2705 (ggc_allocated_p): Likewise.
2706 (mark_obj): Fix formatting.
2707 (ggc_mark_string_if_gcable): New function.
2708 * ggc-simple.c (ggc_allocated_strings): New variable.
2709 (ggc_strings_used): Likewise.
2710 (ggc_compare_addresses): New function.
2711 (ggc_pop_context): Pop the `any' memory too.
2712 (ggc_mark_string_if_gcable): New function.
2713 (ggc_collect): Initialize and tear down ggc_allocated_strings.
2715 Sun Oct 10 20:05:21 1999 David Edelsohn <edelsohn@gnu.org>
2717 * rs6000.md (movstrsi_?reg): Use preferred rD/rS = r5 form.
2718 (scc patterns): Disable most SImode variants if TARGET_POWERPC64.
2719 * rs6000.c (expand_block_move): Match movstrsi_?reg register
2722 Sun Oct 10 16:37:01 1999 Richard Henderson <rth@cygnus.com>
2724 * haifa-sched.c (sched_reg_n_calls_crossed): Delete.
2725 (sched_reg_live_length, sched_reg_basic_block): Delete.
2726 (current_block_num, bb_live_regs, old_live_regs): Delete.
2727 (dead_notes, struct sometimes): Delete.
2728 (sched_note_set, birthing_insn_p): Delete.
2729 (adjust_priority): Gut useless reg lifetime code.
2730 (create_reg_dead_note, attach_deaths): Delete.
2731 (attach_deaths_insn, new_sometimes_live): Delete.
2732 (finish_sometimes_live): Delete.
2733 (find_pre_sched_live, find_post_sched_live): Delete.
2734 (update_reg_usage): Delete.
2735 (find_insn_reg_weight): New, from corpse of find_pre_sched_live.
2736 (schedule_insns): Delete reg lifetime code.
2737 (sched_analyze): Use REG_SAVE_NOTE to stuff NOTE_INSN notes away.
2738 (unlink_other_notes): Adjust REG_NOTE commentary.
2739 (reemit_notes): Use REG_SAVE_NOTE.
2740 (schedule_block): Likewise.
2741 (schedule_region): Allocate bitmap of blocks in region. Use
2742 count_or_remove_death_notes. Use update_life_info.
2744 * rtl.h (REG_SAVE_NOTE): New.
2745 * rtl.c (reg_note_name): Update.
2747 Sun Oct 10 16:14:16 1999 Richard Henderson <rth@cygnus.com>
2749 * combine.c (refresh_blocks, need_refresh): New.
2750 (combine_instructions): Allocate refresh_blocks. Invoke
2751 update_life_info if needed.
2752 (distribute_notes): Mark refresh_blocks instead of installing
2754 * flow.c (update_life_info): Remove notes if GLOBAL_RM_NOTES.
2755 * basic_block.h (enum update_life_extent): Add GLOBAL_RM_NOTES.
2757 * Makefile.in (recog.o): Depend on basic-block.h.
2759 Sun Oct 10 12:03:21 1999 Richard Henderson <rth@cygnus.com>
2761 * genrecog.c (add_to_sequence): Thinko last change: delete
2762 shadowing allow_const_int variable.
2764 Sun Oct 10 08:40:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2766 * cppinit.c: Use HAVE_GCC_VERSION instead of explicitly testing
2767 __GNUC__ and __GNUC_MINOR__.
2769 * gansidecl.h: Likewise.
2775 * toplev.h: Likewise.
2781 * varray.c: Likewise.
2783 * varray.h: Likewise.
2785 Sun Oct 10 13:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
2787 * loop.c (find_and_verify_loops): When looking for a BARRIER, don't
2788 use one before a jump table.
2790 * rtl.def (ADDRESS): Change documentation to match reality.
2791 * md.texi: Don't document it.
2792 * gmicro.md (load address pattern): Use 'p' constraint, delete use
2795 * emit-rtl.c (copy_insn_1): Make format_ptr a const char *.
2797 Sun Oct 10 02:41:41 1999 Richard Henderson <rth@cygnus.com>
2799 * genrecog.c (add_to_sequence): Move allow_const_int test outside
2800 known predicate block; default allow_const_int true.
2801 (debug_decision_list): New.
2803 Sun Oct 10 00:43:08 1999 Richard Henderson <rth@cygnus.com>
2805 * i386.h (CC1_SPEC): Typo -- use cc1_cpu.
2807 Sat Oct 9 23:26:55 1999 Jeffrey A Law (law@cygnus.com)
2809 * gcse.c (gcse_main): Avoid global optimizations if we have a
2810 large number of basic blocks and the ratio of edges to blocks
2812 (delete_null_pointer_checks): Likewise.
2814 Sat Oct 9 23:16:01 1999 Ken Raeburn <raeburn@mit.edu>
2816 * c-common.c (check_format_info): Warn if format string isn't a
2819 Sat Oct 9 23:04:02 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
2821 * configure.in (arm*-*-*): Don't let autoconf remove brackets
2822 * configure: regenerate
2824 Sat Oct 9 13:15:53 1999 Richard Henderson <rth@cygnus.com>
2826 * alpha.md (extendsidi2): Turn into a splitter. Allow f/f.
2827 If TARGET_FIX, allow r/f. Remove cvtlq unspec pattern.
2828 (peepholes): Re-enable.
2830 Sat Oct 9 12:18:16 1999 Richard Henderson <rth@cygnus.com>
2832 * Makefile.in (flow.o): Depend on TREE_H.
2833 * basic-block.h (REG_SET_EQUAL_P): New.
2836 (free_regset_vector): Remove declaration.
2837 (flow_delete_insn_chain): Declare.
2838 (enum update_life_extent): New.
2839 (update_life_info, count_or_remove_death_notes): Declare.
2840 * combine.c (distribute_notes) [REG_DEAD]: Stop search at bb->head.
2841 Verify register live at bb->global_live_at_start before adding USE.
2842 * flow.c (HAVE_epilogue, HAVE_prologue): Provide default.
2843 (CLEAN_ALLOCA): New.
2845 (PROP_*): New flags.
2846 (find_basic_blocks_1): Use alloc_EXPR_LIST.
2847 (clear_edges): Zero n_edges.
2848 (make_edge): Increment n_edges.
2849 (split_edge): Don't allocate bb->local_set. Increment n_edges.
2850 (flow_delete_insn_chain): Export.
2851 (delete_block): Decrement n_edges.
2852 (merge_blocks_nomove): Likewise.
2853 (life_analysis): Give life_analysis_1 PROP flags.
2854 (verify_wide_reg_1, verify_wide_reg): New.
2855 (verify_local_live_at_start): New.
2856 (update_life_info): Rewrite to call into propogate_block.
2858 (mark_regs_live_at_end): After reload, if epilogue as rtl,
2859 always mark stack pointer. Conditionally mark PIC register.
2860 After reload, mark call-saved registers, return regsiters.
2861 (life_analysis_1): Accept PROP flags not remove_dead_code.
2862 Call mark_regs_live_at_end before zeroing regs_ever_live.
2863 Use calculate_global_regs_live. Copy global_live_at_end before
2864 calling final propagate_block. Zero reg_next_use on exit.
2865 (calculate_global_regs_live): New.
2866 (allocate_bb_life_data): Don't allocate bb->local_set.
2867 (init_regset_vector, free_regset_vector): Remove.
2868 (propagate_block): Accept FLAGS not FINAL or REMOVE_DEAD_CODE.
2869 Test flags before every operation. Warn if prologue/epilogue insn
2870 would have been deleted.
2871 (mark_set_regs, mark_set_1): Accept and use FLAGS.
2872 Use alloc_EXPR_LIST.
2873 (mark_used_regs): Accept and use FLAGS, not FINAL.
2874 Remove special handling for RETURN.
2875 (try_pre_increment): Use alloc_EXPR_LIST.
2876 (dump_flow_info): Dump n_edges.
2877 (unlink_insn_chain, split_hard_reg_notes): Remove.
2878 (maybe_add_dead_note, maybe_add_dead_note_use): Remove.
2879 (find_insn_with_note, new_insn_dead_notes): Remove.
2880 (update_n_sets, sets_reg_or_subreg_1, sets_reg_or_subreg): Remove.
2881 (maybe_remove_dead_notes, prepend_reg_notes): Remove.
2882 (replace_insns): Remove.
2883 (count_or_remove_death_notes): New.
2884 (verify_flow_info): Abort on error after all checks.
2885 (remove_edge): Decrement n_edges.
2886 (remove_fake_edges): Tweek format.
2887 * haifa-sched.c (schedule_insns): Use split_all_insns.
2888 * output.h (update_life_info): Remove declaration.
2889 * recog.c (split_all_insns): From the corpse of split_block_insns,
2890 do the whole function block by block. Use update_life_info.
2891 (recog_last_allowed_insn): New.
2892 (recog_next_insn): Mind it.
2893 (peephole2_optimize): Set it. Walk backwards through blocks.
2894 Use update_life_info.
2895 * rtl.h (update_flow_info, replace_insns): Remove declarations.
2896 (split_all_insns): Declare.
2897 * toplev.c (rest_of_compilation): Thread prologue before flow2.
2898 Use split_all_insns.
2900 * i386.md (or -1 peep2s): Disable.
2902 Fri Oct 8 17:49:08 1999 Richard Henderson <rth@cygnus.com>
2904 * config/mips/mips.md (movstrsi+[123]) : Combine these into
2905 a single pattern. Scrap the 'd' versions as unnecessary.
2907 * config/mips/mips.md (tablejump_internal3,tablejump_mips161,
2908 tablejump_mips162,tablejump_internal4): The operands to a
2909 label_ref must be VOIDmode.
2911 Fri Oct 8 16:12:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2913 * configure.in (c-mbchar): Append, don't overwrite, `extra_c_flags'.
2915 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
2917 * mips.c (mips_va_arg) [EABI]: Return addr_rtx.
2919 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
2921 * lists.c (init_EXPR_INSN_LIST_cache): Don't need to zap the
2922 cache every function if ggc_p.
2924 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
2926 * jump.c (duplicate_loop_exit_test): Use copy_insn/copy_insn_1
2927 instead of copy_rtx. Accept sequences that contain asm statements.
2928 * emit-rtl.c (copy_insn_1, copy_insn): New functions.
2929 (copy_insn_scratch_in, copy_insn_scratch_out, copy_insn_n_scratches,
2930 orig_asm_operands_vector, copy_asm_operands_vector,
2931 orig_asm_constraints_vecotr, copy_asm_constraints_vector): New static
2933 * rtl.h (copy_insn, copy_insn_1): Declare.
2935 Fri Oct 8 13:08:12 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2937 * Makefile.in (insn-recog.o): Depend on hard-reg-set.h and resource.h.
2939 * alpha.h (ASM_OUTPUT_MI_THUNK): Pass the correct number of
2940 arguments to `current_file_function_operand'.
2942 * genrecog.c: Include hard-reg-set.h and resource.h in the
2943 generated output file.
2945 * real.c: Include tm_p.h.
2947 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
2949 * i386.md (prologue_allocate_stack): Add '=' constraint letter on
2952 Thu Oct 7 23:06:50 1999 Richard Henderson <rth@cygnus.com>
2954 * rs6000.md (fix_truncdfsi2_internal+1): Emit a clobber
2955 before the fctiwz insn.
2957 Thu Oct 7 22:53:00 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2958 Mark Mitchell <mark@codesourcery.com>
2960 * tree.c (make_lang_type_fn): New funtion pointer.
2961 (make_lang_type): Call it.
2962 * tree.h (make_lang_type): Declare.
2963 (make_lang_type_fn): Likewise.
2964 * rs6000.c (rs6000_build_va_list): Use make_lang_type.
2966 Thu Oct 7 00:36:17 1999 Diego Novillo <dnovillo@cygnus.com>
2968 * config/rs6000/rs6000.c (secondary_reload_class): For TARGET_ELF
2969 make sure that HIGH instructions are copied into BASE_REGS.
2971 Thu Oct 7 17:02:34 1999 Jason Merrill <jason@yorick.cygnus.com>
2973 * expr.c (expand_expr, TARGET_EXPR): Set TREE_USED sooner.
2975 Thu Oct 7 17:01:58 1999 Greg McGary <gkm@gnu.org>
2977 * c-decl.c (finish_struct): Use simpler method of
2978 removing elements of a singly-linked list.
2980 Thu Oct 7 15:23:28 1999 Michael Meissner <meissner@cygnus.com>
2982 * alpha.md (peephole2's): Comment out peephole2's that generate
2985 Thu Oct 7 12:00:53 1999 Richard Henderson <rth@cygnus.com>
2987 * genrecog.c (add_to_sequence): Disable mode check for
2990 Thu Oct 7 20:14:16 1999 Bernd Schmidt <bernds@cygnus.co.uk>
2992 * ggc-simple.c (init_ggc): Set empty_string.
2994 Thu Oct 7 01:13:15 1999 Richard Henderson <rth@cygnus.com>
2996 * configure.in: Detect mmap. Add --with-gc=foo to select
2997 garbage collector; default to page if mmap available.
2998 * Makefile.in (GGC): Substitute.
3000 Wed Oct 6 23:56:30 1999 Richard Henderson <rth@cygnus.com>
3002 * c-decl.c (ggc_p): Enable.
3004 Wed Oct 6 17:17:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3006 * flow.c (verify_flow_info): Make it extern & unconditionally define.
3008 1999-10-06 Brendan Kehoe <brendan@cygnus.com>
3010 * sparc/sp86x-elf.h (SUBTARGET_SWITCHES): Add missing doc
3011 string for little-endian-data.
3013 Wed Oct 6 16:10:35 1999 Michael Meissner <meissner@cygnus.com>
3015 * varray.h (VARRAY_CHECK): Fix up appropriate revision check, in
3016 case somebody tries to compile --enable-checking code with gcc
3019 Wed Oct 6 12:22:50 1999 Richard Henderson <rth@cygnus.com>
3021 * genrecog.c (add_to_sequence): Verify operand to label_ref is
3024 Wed Oct 6 10:21:15 1999 Richard Henderson <rth@cygnus.com>
3026 * genconfig.c (main): Disable HAVE_conditional_arithmetic.
3027 * jump.c (jump_optimize_1): Document why.
3029 Wed Oct 6 10:41:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3031 * collect2.c (scan_prog_file, scan_libraries): Prototype function
3032 pointers and casts for `int_handler' and `quit_handler'.
3034 * flow.c (verify_flow_info, split_hard_reg_notes,
3035 find_insn_with_note, sets_reg_or_subreg_1, prepend_reg_notes,
3036 remove_edge, remove_fake_successors): Add static prototypes.
3037 (verify_flow_info): Wrap with macro ENABLE_CHECKING.
3038 (mark_set_1): Initialize variable `regno'.
3039 (unlink_insn_chain): Likewise for variable `curr'.
3040 (remove_fake_edges): Remove unused variables `e', `tmp' and `last'.
3042 * loop.c (strength_reduce): Initialize variable
3043 `unrolled_insn_copies'.
3044 (cmp_combine_givs_stats, cmp_recombine_givs_stats): Add static
3045 prototypes. Change these functions to take const PTR parameters
3046 to avoid prototype conflict when used as the comparson argument
3048 (check_dbra_loop): Initialize variable `comparison_val'.
3050 * reload.c (debug_reload_to_stream, debug_reload): Add prototypes.
3051 (get_secondary_mem): Mark parameter `x' with ATTRIBUTE_UNUSED.
3052 (find_valid_class): Initialize variable `best_class'.
3053 (find_reloads): Call memcpy, not bcopy.
3055 * reload1.c (gen_mode_int, dump_needs): Add prototypes.
3056 (hard_reg_use_compare): Don't needlessly cast away const.
3057 (reload_reg_class_lower): Likewise.
3058 (choose_reload_regs): Initialize variable `regno'.
3060 Tue Oct 5 16:34:12 1999 Paul Burchard <burchard@pobox.com>
3062 * ggc-page.c (GGC_ALWAYS_COLLECT): Fix typo when undef'ing.
3064 Tue Oct 5 16:14:40 1999 Michael Meissner <meissner@cygnus.com>
3066 * libgcc1-test.c (toplevel): Include stddef.h to get size_t.
3067 ({,d}discard): Add forward declarations. Declare parameter as
3069 (main_without_main): Explicitly declare return type to be int.
3070 (memcpy): Properly declare.
3072 * libgcc2.c (toplevel): If inhibit_libc is defined and not
3073 building the trampoline support, declare malloc, free, and
3075 (__clear_cache): Mark arguments as potentially unused.
3077 * frame.c (toplevel): If inhibit_libc is defined, declare
3080 Tue Oct 5 12:00:32 1999 Richard Henderson <rth@cygnus.com>
3082 * flow.c (make_edge): Accept an optional 2D bitmap in which
3083 to cache edge existence. Update all callers.
3084 (make_label_edge, make_eh_edge): Pass through the edge cache.
3085 (make_edges): Provide the cache.
3087 Tue Oct 5 12:16:49 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3089 * mbchar.c (literal_codeset, local_mbtowc, local_mblen): Constify
3091 (local_mbtowc): Change the type of variable `i' from int to size_t.
3093 * mbchar.h (ISSJIS1, ISSJIS2): Use parens around && within ||.
3094 (local_mbtowc, local_mblen, literal_codeset): Constify a char*.
3096 Tue Oct 5 11:34:52 1999 Michael Meissner <meissner@cygnus.com>
3098 * ggc-common.c (toplevel): Reorder includes, so that ggc.h comes
3099 after other includes that define the appropriate types. Include
3100 tm_p.h for getting user prototypes.
3101 * ggc-callbacks.c (toplevel): Ditto.
3102 * ggc-none.c (toplevel): Ditto.
3103 * gcc-page.c (toplevel): Ditto.
3104 * ggc-simple.c (toplevel): Ditto.
3106 Mon Oct 4 16:48:16 1999 Diego Novillo <dnovillo@cygnus.com>
3107 Jonathan Larmour <jlarmour@cygnus.co.uk>
3109 * config/mips/mips.c (mips_move_2words): Split doubles if
3110 ISA >= 3, !TARGET_64BIT, and destination is not an FP register.
3112 Mon Oct 4 21:47:31 1999 Richard Henderson <rth@cygnus.com>
3114 * genrecog.c (struct decision_test): New.
3115 (struct decision): Remove test-related members, sort the rest by size.
3116 (IS_SPLIT): Simplify.
3117 (new_decision, new_decision_test): New.
3118 (add_to_sequence): Use them. No special handling for args of
3120 (maybe_both_true): Renamed from not_both_true; return sense changed.
3121 (maybe_both_true_1, maybe_both_true_2): New. Broken out
3122 of maybe_both_true and adjusted for decision_test.
3123 (position_merit): Remove.
3124 (nodes_identical, nodes_identical_1): New, broken out of merge_trees.
3125 (merge_accept_insn): New, broken out of merge_trees.
3126 (merge_trees): Use them. No special case for c_test; no node
3127 splitting; use test type instead of position_merit.
3128 (factor_tests): New.
3129 (simplify_tests): New.
3130 (break_out_subroutines): Don't write code now.
3131 (find_afterward): New.
3132 (write_afterward, write_switch, write_cond): New.
3133 (write_action, is_unconditional): New.
3134 (write_node): New. Use them.
3135 (write_tree_1): Rewrite. Use the new functions above.
3136 (write_tree): Remove afterward processing.
3137 (write_subroutine): Simplify function variant emission.
3138 (write_subroutines): New.
3139 (same_codes, clear_codes): Remove.
3140 (same_modes, clear_modes): Remove.
3141 (write_header): New, broken out of main.
3142 (make_insn_sequence): Use new_decision and new_decision_test.
3143 (process_tree): New, broken out of main.
3144 (main): Adjust for merge_trees interface change.
3145 Don't #define operands in the output file.
3146 (record_insn_name): New, broken out of make_insn_sequence.
3147 (debug_decision_2, debug_decision_1, debug_decision_0): New.
3148 (debug_decision): New.
3150 1999-10-04 21:58 -0700 Zack Weinberg <zack@bitmover.com>
3152 * resource.c (find_free_register): Mark class_str argument const.
3153 * resource.h: Update prototype to match.
3155 * i386.h (PREDICATE_CODES): Add entry for long_memory_operand.
3156 * i386.md: Give all anonymous insns names.
3158 Mon Oct 4 21:12:02 1999 Jeffrey A Law (law@cygnus.com)
3160 * flow.c (merge_blocks): Avoid assing BASIC_BLOCK for non-existent
3163 Mon Oct 4 21:01:39 1999 Richard Henderson <rth@cygnus.com>
3165 * toplev.c (dbr_sched_time): Unconditional.
3166 (peephole2_time): New.
3167 (compile_file): Add pass numbers to all of the dump file suffixes.
3168 Dump peephole2_time. Don't dump times for non-applicable passes.
3169 (rest_of_compilation): Add pass numbers to dump file suffixes.
3170 Conditionalize calls to the scheduler.
3171 * invoke.texi: Update.
3173 Mon Oct 4 20:25:13 1999 Anthony Green <green@cygnus.com>
3175 * flow.c (make_edges): Fix insn iteration.
3176 (find_basic_blocks): Assign NULL_RTX, not 0, to rtx.
3177 (find_basic_blocks_1): Fix spelling mistake.
3179 Mon Oct 4 16:56:11 1999 Richard Henderson <rth@cygnus.com>
3181 * tree.c (build1): Set TREE_SIDE_EFFECTS for expressions that
3182 always have side-effects. Use memset not bzero.
3183 (make_node): Likewise.
3185 Mon Oct 4 16:22:20 1999 Mark Mitchell <mark@codesourcery.com>
3187 * stmt.c (expand_anon_union_decl): When any of the elements of the
3188 union is addressable, so is the entire union.
3190 Mon Oct 4 11:38:33 1999 Richard Henderson <rth@cygnus.com>
3192 * sbitmap.c (sbitmap_ones): Don't set too many bits.
3194 * bitmap.h (enum bitmap_bits): Add BITMAP_XOR.
3195 * bitmap.c (bitmap_operation): Return true iff TO changed.
3196 (bitmap_equal_p): New.
3197 (bitmap_bit_p): Tidy arithmetic.
3198 (debug_bitmap_file): Likewise.
3200 Mon Oct 4 11:28:37 1999 Richard Henderson <rth@cygnus.com>
3202 * toplev.c (rest_of_compilation): Turn on cse_not_expected
3203 before cse2 instead of after.
3205 Mon Oct 4 09:55:17 1999 Stan Cox <scox@cygnus.com>
3207 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Let leasi/liadi handle large
3210 Mon Oct 4 08:54:12 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
3212 * cppinit.c (is_idchar initializer): Loosen tests to accept
3215 Mon Oct 4 02:31:20 1999 Mark Mitchell <mark@codesourcery.com>
3217 * mips.md: Define conditional move patterns for floating point
3218 operands and DI mode conditions.
3220 Mon Oct 4 02:12:41 1999 Mark Mitchell <mark@codesourcery.com>
3222 * tree.c (make_node): Set TREE_SIDE_EFFECTS for expressions that
3223 always have side-effects.
3225 Sun Oct 3 14:14:16 1999 Jeffrey A Law (law@cygnus.com)
3227 * mn10200.c (asm_file_start): Fix typo.
3229 * cppinit.c (is_idchar initializer): Tighten tests for when
3230 to put the table into initialized memory.
3232 * ggc-none.c (ggc_alloc_rtvec): An rtvec is an array of rtx,
3233 not an array of rtunion.
3234 * gcc-page.c (ggc_alloc_rtvec): Similarly.
3235 * gcc-simple (ggc_free_rtvec): Similarly.
3237 * genattrtab.c (simplify_cond): Make TESTS an array of rtxs, instead
3240 * mbchar.h: Add missing #endif.
3242 * t-fr30 (LIB2FUNCS_EXTRA): Remove definition.
3243 (FPBIT, DPBIT): Define.
3245 Sun Oct 3 12:44:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3247 * print-tree.c (print_node, indent_to): Remove redundant prototypes.
3249 * profile.c (instrument_arcs, output_gcov_string,
3250 tablejump_entry_p): Add static prototypes.
3251 (output_gcov_string): Constify a char*.
3253 * regmove.c (replacement_quality, fixup_match_2): Add static
3256 * resource.h (reg_dead_p): Add extern prototype.
3258 * rtl.c (trim_filename): Add static prototype.
3260 * scan-decls.c (skip_to_closing_brace): Likewise.
3262 * stmt.c (expand_decl_cleanup_no_eh): Hide definition.
3263 (expand_end_case): Initialize variable `range'.
3264 (emit_case_nodes): Remove unused prototype `rtx_fn'.
3266 * varasm.c (asm_emit_uninitialised): Add static prototype.
3267 (asm_emit_uninitialised, assemble_variable): Mark parameter with
3270 Sun Oct 3 12:24:52 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3272 * cpplib.c (if_directive_nameo): Add static prototype.
3274 * cse.c (cse_insn): Remove unused variable `p'.
3276 * except.c (create_rethrow_ref, push_entry,
3277 receive_exception_label, new_eh_region_entry, find_func_region,
3278 clear_function_eh_region, process_nestinfo): Add static prototypes.
3279 (get_reg_for_handler): Hide definition.
3280 (process_nestinfo): Initialize variable `extra_handlers'.
3282 * expr.h (expand_builtin_longjmp): Add extern prototype.
3284 * final.c (final_addr_vec_align, align_fuzz): Add static prototypes.
3286 * function.c (prepare_function_start): Likewise.
3287 (pop_function_context_from): Mark parameter `context' with
3289 (push_temp_slots_for_block, flush_addressof): Hide definition.
3291 * gcov.c (init_arc, reverse_arcs, create_program_flow_graph,
3292 solve_program_flow_graph, calculate_branch_probs,
3293 function_summary, main, fancy_abort): Add prototypes.
3295 * gen-protos.c (add_hash, parse_fn_proto, main): Likewise.
3296 (add_hash): Constify a char*.
3298 * ggc-common.c (ggc_mark_rtx_ptr, ggc_mark_tree_ptr,
3299 ggc_mark_tree_varray_ptr, ggc_mark_tree_hash_table_ptr,
3300 ggc_mark_string_ptr, ggc_mark_tree_hash_table_entry): Add prototypes.
3302 * integrate.c (expand_inline_function_eh_labelmap): Likewise.
3304 * lists.c (free_list, zap_lists): Likewise.
3306 Sun Oct 3 12:05:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3308 * alias.c (nonlocal_reference_p): Add static prototype.
3310 * bitmap.c (bitmap_element_allocate): Prototype args in function
3313 * builtins.c (stabilize_va_list): Add static prototype.
3314 (expand_builtin_va_arg): Constify a char*.
3316 * c-lex.c (getch, put_back, extend_token_buffer_to,
3317 read_line_number, token_getch, token_put_back): Add static
3320 * c-parse.gperf (hash, is_reserved_word): Likewise.
3322 * cccp.c (is_dir_separator): Likewise.
3324 Sat Oct 2 16:07:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3326 * graph.h: New file to prototype functions exported by graph.c.
3328 * Makefile.in (graph.o, toplev.o): Depend on graph.h.
3330 * graph.c: Include graph.h.
3332 * toplev.c: Likewise. Remove redundant prototypes.
3334 Sat Oct 2 11:28:33 1999 Krister Walfridsson <cato@df.lth.se>
3336 * invoke.texi: Removed duplicated description for -Q.
3338 Sat Oct 2 11:16:00 1999 Jim Kingdon <http://developer.redhat.com>
3340 * extend.texi: Grammar fix in __extension__ text.
3342 Sat Oct 2 11:06:31 1999 Richard Henderson <rth@cygnus.com>
3344 * md.texi (define_peephole2): New section.
3346 Sat Oct 2 10:57:56 1999 Jan Hubicka <hubicka@freesoft.cz>
3348 * i386.md (mov?i patterns): Fix handling of TARGET_USE_MOV0
3349 (mov $-1 to or peepholer): Enable for pentium when optimizing for
3352 Sat Oct 2 10:55:25 1999 Jan Hubicka <hubicka@freesoft.cz>
3354 * builtins.c (expand_builtin_strlen): Fix best mode searching loop.
3356 Sat Oct 2 10:53:22 1999 Jan Hubicka <hubicka@freesoft.cz>
3358 * i386.md (ffs expander): Emit Pentium friendly code for
3361 Sat Oct 2 02:48:21 1999 Mark P. Mitchell <mark@codesourcery.com>
3363 * tree.c (build): Don't look at TREE_SIDE_EFFECTS or TREE_RAISES
3367 Fri Oct 1 18:01:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
3369 * i386elf.h (TARGET_DEFAULT): Use symbolic constants.
3371 Fri Oct 1 12:42:53 1999 Andreas Schwab <schwab@suse.de>
3373 * config/m68k/m68k.c (use_return_insn): Return false if the pic
3376 Fri Oct 1 10:56:06 1999 Bernd Schmidt <bernds@cygnus.co.uk>
3378 * md.texi (No Constraints): Delete section.
3379 * Makefile.in (genattrtab.o): Don't depend on "insn-config.h".
3380 * final.c (final_scan_insn): We always have register constraints.
3381 * genattrtab.c: Don't include "insn-config.h".
3382 (write_attr_case): We always have register constraints.
3383 * genconfig.c (register_constraint_flag): Delete.
3384 (walk_insn_part): Don't check whether we have register constraints.
3385 (main): Don't write out "#define REGISTER_CONSTRAINTS".
3386 * genoutput.c (have_constraints): Delete.
3387 (main): Don't set it.
3388 (output_operand_data): We always have constraints.
3389 (scan_operands): Likewise.
3390 (compare_operands): Likewise.
3391 * local-alloc.c (block_alloc): We always have constraints.
3392 (requires_inout): Always compile this function.
3393 * recog.c (extract_insn): We always have constraints.
3394 (constrain_operands, reg_fits_class_p): Always compile these
3396 * recog.h (struct recog_data): Delete non-REGISTER_CONSTRAINTS
3398 (struct insn_operand_data): Likewise.
3399 * regclass.c (regclass): We always have constraints.
3400 (record_reg_classes, copy_cost, record_address_regs,
3401 auto_inc_dec_reg_p): Always compile these functions.
3402 * regmove.c (regmove_optimize): We always have constraints.
3403 * reload.c (find_reloads): Likewise.
3404 * reload1.c (reload): Likewise.
3405 (reload_cse_simplify_operands): Likewise.
3406 * i860.c (output_delay_insn): Likewise.
3408 Thu Sep 30 23:04:41 1999 Mark P. Mitchell <mark@codesourcery.com>
3410 * iris6.h (BUILD_VA_LIST_TYPE): Define.
3412 Thu Sep 30 18:44:50 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3414 * rs6000.c (rs6000_build_va_list): Create a TYPE_DECL node
3415 for the va_list record.
3417 Thu Sep 30 18:34:54 1999 Jan Hubicka <hubicka@freesoft.cz>
3419 * i386.c (ix86_adjust_cost): Ignore false ebp dependencies in
3422 Thu Sep 30 18:31:36 1999 Jan Hubicka <hubicka@freesoft.cz>
3424 * alias.c: Include insn-flags.h.
3425 * Makefile.in (alias.o): Update.
3427 Thu Sep 30 18:21:30 1999 Jan Hubicka <hubicka@freesoft.cz>
3429 * i386.c (ix86_expand_int_movcc): Convert LEU and GTU comparisons
3430 to LTU and GEU. Handle more cases using sbb.
3432 Thu Sep 30 18:18:39 1999 Jan Hubicka <hubicka@freesoft.cz>
3434 * i386.md (truncatexfdf splitters): Do not use subreg.
3435 (fop XFmode patterns): Fix mode in operand testing.
3437 Thu Sep 30 18:04:13 1999 Richard Henderson <rth@cygnus.com>
3439 * jump.c (jump_optimize_1): Amend last change to test only the
3440 form of the operand, not the insn.
3442 * jump.c (jump_optimize_1) [conditional_move]: Use general_operand
3443 not register_operand to determine when B may need preloading.
3445 Thu Sep 30 17:39:16 1999 Richard Henderson <rth@cygnus.com>
3447 * alpha.md (*): Use nonimmediate not general_operand for SET_DEST.
3448 (ffsdi2, extxl, insxh, mskxh): Add missing DImode to SET_SRC.
3449 (call-value patterns): Move to end of file.
3450 (*): Remove mode from label_ref in (pc) context.
3451 (movstrqi): Use memory not general_operand for BLKmode operands.
3452 (prologue_stack_probe_loop, builtin_longjmp): Add missing mode
3453 to register_operand operands.
3454 (peep2 patterns): Convert from commented-out peephole patterns.
3456 Thu Sep 30 14:39:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
3458 * tree.h (enum built_in_function): Rename BUILT_IN_DWARF_REG_SIZE
3459 to BUILT_IN_INIT_DWARF_REG_SIZES.
3460 * builtins.c (expand_builtins, case BUILT_IN_INIT_DWARF_REG_SIZES):
3461 Renamed from BUILT_IN_DWARF_REG_SIZE; call
3462 expand_builtin_init_dwarf_reg_sizes.
3463 * c-decl.c (init_decl_processing): Replace __builtin_dwarf_reg_size
3464 with __builtin_init_dwarf_reg_size_table.
3465 * dwarf2out.c (struct reg_size_range): Delete.
3466 (expand_builtin_init_dwarf_reg_sizes): New function.
3467 (expand_builtin_dwarf_reg_size): Delete.
3468 * except.h (expand_builtin_init_dwarf_reg_sizes): Declare.
3469 (expand_builtin_dwarf_reg_size): Don't declare.
3470 * libgcc2.c (dwarf_reg_size_table_initialized): New.
3471 (dwarf_reg_size_table): New.
3472 (init_reg_size_table): New function.
3473 (copy_reg): Use dwarf_reg_size_table.
3474 (eh_context_initialize): Make sure dwarf_reg_size_table is initialized
3477 Thu Sep 30 05:40:34 1999 Richard Earnshaw <rearnsha@arm.com>
3479 * c-lang.c (finish_file case ndef ASM_OUTPUT_{CON,DE}STRUCTOR):
3480 Correctly build argument list to constructor and destructor functions.
3482 Thu Sep 30 00:13:27 1999 Dirk Zoller <duz@rtsffm.com>
3484 * c-tree.h (warn_float_equal): Declare.
3485 * c-decl.c (warn_float_equal): Define.
3486 (c_decode_option): Recognize -W[no-]float-equal.
3487 * c-typeck.c (build_binary_op): Conditionally warn
3488 about equality tests of floating point types.
3489 * toplev.c (documented_lan_options): Add -W[no-]float-equal.
3490 * invoke.texi: Add docs for -Wfloat-equal warning.
3492 Wed Sep 29 23:43:39 1999 Jeffrey A Law (law@cygnus.com)
3494 * h8300.h (INIT_TARGET_OPTABS): Use init_one_optab instead of
3495 generating RTL directly.
3496 * mips.h (INIT_TARGET_OPTABS): Likewise.
3497 * mn10200.h (INIT_TARGET_OPTABS): Likewise.
3499 * expr.h (init_mov_optab): Delete declaration
3501 * h8300.c (WORD_REG_USED): Update to avoid useless register
3502 saves in interrupt functions and functions which never return.
3504 * cse.c (struct set): Delete inner_dest_loc field.
3505 (cse_insn): Remove assignments to inner_dest_loc field.
3507 Wed Sep 29 16:06:20 1999 Richard Henderson <rth@cygnus.com>
3509 * ggc-page.c: Don't include <unistd.h> etc taken care of
3510 by "system.h". Include <sys/mman.h> afterward.
3512 Wed Sep 29 16:05:18 1999 Richard Henderson <rth@cygnus.com>
3514 * rs6000.c (rs6000_encode_section_info): If ggc_p, use
3517 Tue Sep 28 16:45:40 1999 David Edelsohn <edelsohn@gnu.org>
3519 * xcoffout.c (xcoffout_declare_function): Add documentation.
3520 * rs6000.c (num_insns_constant_wide): Use TARGET_POWERPC64 not
3521 TARGET_64BIT. Compare constant to -1, not bit pattern.
3522 (easy_fp_constant): Use TARGET_POWERPC64 not TARGET_64BIT.
3523 (expand_block_move): Allow 8 DImode loads for PowerPC64. Fix
3526 Tue Sep 28 16:43:14 1999 Nick Clifton <nickc@cygnus.com>
3528 * dwarf2out.c (add_abstract_origin_attribute): Abort if
3530 (gen_inlined_enumeration_type_die): Do not abort if the type has
3531 not been writeen out.
3532 (gen_inlined_structure_type_die): Do not abort if the type has
3533 not been writeen out.
3534 (gen_inlined_union_type_die): Do not abort if the type has
3535 not been writeen out.
3536 (gen_tagged_type_instantiation_die): Do not abort if the type
3537 has not been written out.
3539 Tue Sep 28 14:33:47 1999 Bernd Schmidt <bernds@cygnus.co.uk>
3541 * c-decl.c (init_decl_processing): If MD_INIT_BUILTINS is defined,
3543 * reg-stack.c (straighten_stack): Copy hard reg set with
3546 Tue Sep 28 01:11:05 1999 Richard Henderson <rth@cygnus.com>
3548 * builtins.c (stabilize_va_list): Stabilize array type va_list
3549 to a pointer type, not the base record type.
3550 (expand_builtin_va_copy): Dereference the pointers explicitly;
3551 use the correct size for the copy.
3553 * rs6000.c (rs6000_va_start): Dereference valist to get to the record.
3554 (rs6000_va_arg): Likewise.
3556 Mon Sep 27 23:27:21 1999 Richard Henderson <rth@cygnus.com>
3558 * rtl.h (struct rtx_def): Move gc_mark to align mode field.
3560 Mon Sep 27 23:20:29 1999 Mark Mitchell <mark@codesourcery.com>
3562 * tree.h (struct tree_decl): Use `bclass', not `class', in name of
3564 (DECL_BUILT_IN_CLASS): Adjust accordingly.
3566 Mon Sep 27 23:03:16 1999 Richard Henderson <rth@cygnus.com>
3568 * ggc-page.c (GGC_MIN_LAST_ALLOCATED): New.
3569 (init_ggc): Use it instead of a constant.
3570 (ggc_collect): Bound allocated_last_gc by it.
3572 Mon Sep 27 19:06:04 1999 Jeffrey A Law (law@cygnus.com)
3574 * fixinc/fixinc.irix (stdio.h): Hack stdio.h to avoid problems
3577 Mon Sep 27 19:40:17 CEST 1999 Marc Espie <espie@cvs.openbsd.org>
3579 * configure.in (mips*el-*-openbsd*): Don't duplicate default settings.
3580 (mips*-*-openbsd*): Let big endian configuration be a fragment.
3582 * config/mips/openbsd.h: New, OpenBSD little endian target.
3583 * config/mips/openbsd-be.h: New, OpenBSD big endian target fragment.
3584 * config/mips/xm-openbsd.h: New, OpenBSD host.
3586 Mon Sep 27 10:28:48 1999 Andreas Schwab <schwab@suse.de>
3588 * config/m68k/m68k.c (output_function_prologue,
3589 output_function_epilogue): Use
3590 current_function_uses_pic_offset_table instead of regs_ever_live
3591 to decide whether to save/restore pic register.
3592 (legitimize_pic_address): Don't modify regs_ever_live any more.
3594 Sun Sep 26 10:55:36 1999 Mark Mitchell <mark@codesourcery.com>
3596 * function.h (struct function): Add x_dont_save_pending_sizes_p.
3597 * stor-layout.c (variable_size): Don't add sizes to the pending
3598 sizes list if x_dont_save_pending_sizes_p is set.
3600 Sun Sep 26 16:36:52 1999 Robert Lipe (robertlipe@usa.net)
3602 * config/i386/dgux.h (SELECT_RTX_SECTION): Provide dummy argument
3603 for symbolic_operand().
3604 * config/i386/sco5.h (SELECT_RTX_SECTION): Likewise.
3606 Sun Sep 26 07:37:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3608 * combine.c (gen_rtx_combine): Add missing call to va_end().
3610 * final.c (asm_fprintf): Likewise.
3612 * genattrtab.c (attr_rtx): Likewise.
3614 Sat Sep 25 13:11:07 1999 Jeffrey A Law (law@cygnus.com)
3616 * cse.c: Update comments.
3617 (cse_insn): When converting a conditional/computed jump into
3618 an unconditional jump, always make sure a BARRIER immediately
3619 follows the converted jump. Do not delete unreachable code.
3620 (cse_basic_block): Do not delete unreachable code.
3621 * toplev.c (rest_of_compilation): Move call to
3622 delete_trivially_dead_insns after the conditional call to
3625 Sat Sep 25 09:03:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3627 * collect2.c (make_temp_file): Don't prototype.
3629 * gcc.c (make_temp_file): Likewise.
3631 * mips.c (mips_make_temp_file): Renamed from `make_temp_file'.
3633 Sat Sep 25 13:42:15 1999 Nick Clifton <nickc@cygnus.com>
3635 * varasm.c (asm_emit_uninitialised): New function: Generate
3636 the assembler statements necessary to declare an uninitialised
3638 (ASM_EMIT_LOCAL): New macro: Emit a local, uninitialised
3640 (ASM_EMIT_BSS): New macro: Emit an entry in the bss section.
3641 (ASM_EMIT_COMMON): New macro: Emit an entry in the common
3643 (assemble_variable): Use asm_emit_uninitialised to emit an
3644 uninitialised variable.
3646 Fri Sep 24 17:10:56 1999 Nick Clifton <nickc@cygnus.com>
3648 * combine.c (simplify_comparison): Cope with downshifting a 32 bit
3649 constant on a 64 bit host. Patch supplied by Geoffrey Keating
3650 <geoffk@cygnus.com>.
3652 Fri Sep 24 10:48:10 1999 Bernd Schmidt <bernds@cygnus.co.uk>
3654 * builtins.c (expand_builtin): Use MD_EXPAND_BUILTIN if defined.
3655 * c-common.h (builtin_function): Don't declare.
3657 * c-decl.c (duplicate_decls): Use DECL_BUILT_IN_CLASS rather than
3659 (pushdecl): Likewise.
3660 (finish_decl): Likewise.
3661 (builtin_function): New arg CLASS. Arg FUNCTION_CODE now of type
3662 int. All callers changed.
3663 Set the builtin's DECL_BUILT_IN_CLASS.
3664 * tree.h (enum built_in_class): New.
3665 (enum built_in_function): Delete NOT_BUILT_IN.
3666 (DECL_FUNCTION_CODE): The corresponding field in tree_decl is now
3668 (DECL_SET_FUNCTION_CODE): Likewise.
3669 (DECL_BUILT_IN_CLASS): New macro.
3670 (DECL_BUILT_IN): Use DECL_BUILT_IN_CLASS.
3671 (struct tree_decl): Split builtin function code field into a
3673 (builtin_function): Declare.
3675 Fri Sep 24 01:45:05 1999 Mark Mitchell <mark@codesourcery.com>
3677 * optabs.c (init_traps): Fix typo in last change.
3679 Fri Sep 24 01:10:11 1999 Mark Mitchell <mark@codesourcery.com>
3681 * toplev.c (rest_of_decl_compilation): Update comment.
3683 Fri Sep 24 11:57:06 1999 Geoffrey Keating <geoffk@cygnus.com>
3685 * config/mips/elf.h (ASM_OUTPUT_ALIGNED_BSS): Put the symbol
3686 in .sbss if appropriate.
3687 (EXTRA_SECTION_FUNCTIONS): Add sbss.
3688 (SBSS_SECTION_ASM_OP): New macro.
3689 * config/mips/linux.h (EXTRA_SECTION_FUNCTIONS): Add sbss.
3690 (EXTRA_SECTIONS): Add in_sbss.
3691 * config/mips/mips.h: Prototype sbss_section.
3693 Thu Sep 23 18:18:55 1999 Mark Mitchell <mark@codesourcery.com>
3695 * stmt.c (expand_start_bindings): Don't allow cleanup instructions
3698 Thu Sep 23 18:07:01 1999 Mark Mitchell <mark@codesourcery.com>
3700 * optabs.c (init_traps): Register trap_rtx as a GC root.
3702 Thu Sep 23 17:41:47 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
3704 * config/mips/mips.c (function_arg_pass_by_reference): Define
3705 unconditionally, since it's called unconditionally.
3707 Thu Sep 23 13:40:02 1999 Jason Merrill <jason@yorick.cygnus.com>
3709 * toplev.c (documented_lang_options): Add -fshort-wchar.
3710 * c-decl.c (c_decode_option): Likewise.
3711 (init_decl_processing): If -fshort-wchar, use 'short unsigned int'
3713 * c-common.c, c-lex.c: Get WCHAR_TYPE_SIZE from wchar_type_node.
3714 * gcc.c (default_compilers): If -fshort-wchar,
3715 override __WCHAR_TYPE__.
3716 * tm.texi (C Dialect Options): Add -fshort-wchar.
3718 * dwarf2out.c (output_aranges): Use DW_AT_location to find the
3719 symbol for a variable.
3721 * cpplib.h (CPP_PREPROCESSED): New macro.
3722 * cpplib.c (handle_directive): Don't complain about `# NUMBER' if
3723 we're seeing this input for a second time.
3725 Thu Sep 23 12:54:49 1999 Alex Samuel <samuel@codesourcery.com>
3727 * emit-rtl.c (init_emit_once): Initialize modes first.
3729 Sun Sep 19 01:23:23 1999 Alex Samuel <samuel@codesourcery.com>
3731 * config/i386/i386.c (pic_label_name): Change to char pointer.
3732 (global_offset_table): New variable.
3733 (load_pic_register): Fill global_offset_table if it hasn't
3734 already been done. Allocate pic_label_name dynamically.
3735 * ggc.h (empty_string): New variable.
3736 * ggc-simple.c (empty_string): Likewise.
3737 (init_ggc): Allocate empty_string and add as root.
3738 * stmt.c (digit_strings): New variable.
3739 (init_stmt): Add last_block_end_note as root. Allocate and
3740 initialize digit_strings.
3741 (expand_asm_operands): Use empty_string instead of string
3742 constant. Use digit_strings instead of string constants.
3743 * profile.c (init_arc_profiler): Allocate string with
3744 ggc_alloc_string instead of xmalloc.
3745 (output_func_start_profiler): Likewise.
3746 * c-typeck.c (digest_init): Check if init is error_mark_node.
3748 Thu Sep 23 12:59:14 1999 Alex Samuel <samuel@codesourcery.com>
3749 Richard Henderson <rth@cygnus.com>
3751 * ggc-page.c: New file.
3752 * Makefile.in (ggc-page.o): New.
3754 Thu Sep 23 13:55:21 1999 Jeffrey A Law (law@cygnus.com)
3756 * invoke.texi: Document -fdelete-null-pointer-checks
3757 * toplev.c (flag_delete_null_pointer_checks): New.
3758 (f_options): Add entry for -fdelete-null-pointer-checks.
3759 (rest_of_compilation): Conditionalize null pointer check
3760 elimination on flag_delete_null_pointer_checks.
3761 (main): If -O2 or greater, enable -fdelete-null-pointer-checks
3763 1999-09-23 10:56 -0700 Zack Weinberg <zack@bitmover.com>
3765 * iso646.h, stdarg.h, stdbool.h, stddef.h, varargs.h: Add
3766 copyright notice and special exception to GPL.
3768 Thu Sep 23 13:40:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3770 * abi64.h (mips_function_value): Add prototype arguments.
3772 * mips-protos.h: New file with mips prototypes.
3774 * mips.c: Include "tm_p.h".
3775 (mktemp, lookup_name): Add prototype arguments.
3776 (extern_list, string_constant, mips_fill_delay_slot,
3777 mips_output_external, mips_output_external_libcall,
3778 mips_output_filename, mips_declare_object, function_prologue,
3779 mips_expand_prologue, function_epilogue, mips16_constant,
3780 build_mips16_function_stub, mips_output_conditional_branch):
3782 (mips_va_start): Remove unused variable `u'.
3783 (mips_va_arg): Cast value to unsigned when comparing against one.
3785 (save_restore_insns, mips_expand_prologue): Add missing arg in
3786 call to `large_int'.
3788 * mips.h: Move prototypes to mips-protos.h.
3789 (data_section, memory_address_p, rdata_section,
3790 readonly_data_section, simple_epilogue_p, text_section): Delete
3791 prototypes delcared elsewhere.
3792 (mips_epilogue_delay_slots, print_options): Delete unused decls.
3794 (GO_PRINTF, GO_PRINTF2): Call fprintf, not trace.
3796 * mips.md: Delete extra args in call to `mips_move_2words'.
3798 * xm-iris6.h (alloca): Add prototype argument.
3800 * genpeep.c: Include "tm_p.h" in generated output file.
3802 Thu Sep 23 10:36:55 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
3804 * basic-block.h (find_edge_index): Change parameters.
3805 * flow.c (verify_edge_list): Pass basic_block parameters to
3806 find_edge_index instead of integers.
3808 Thu Sep 23 15:54:12 1999 Nick Clifton <nickc@cygnus.com>
3810 * combine.c (simplify_comparison): Use an unsigned shift to adjust
3813 Thu Sep 23 08:46:21 1999 Guy Harris <guy@netapp.com>
3815 * gcc.1: Fix a formatting error.
3817 Wed Sep 22 16:10:21 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
3819 * install.texi (Configurations): Remove pyramid. Add fr30, i686,
3820 i786, mn10200, mn10300, pdp11, v850.
3822 Thu Sep 23 07:37:13 1999 Dan Nicolaescu <dann@ics.uci.edu>
3824 * libgcc2.c (num_digits): Add prototype with
3825 __attribute__((const)).
3826 (__terminate): Add prototype.
3828 Thu Sep 23 05:32:06 1999 Richard Henderson <rth@cygnus.com>
3830 * builtins.c, dbxout.c, varasm.c: Include tm_p.h.
3832 * alpha/alpha.c (print_operand): Fix type of `code'.
3833 (alpha_output_filename): Constify.
3834 * alpha/alpha.h: Move all function declarations ...
3835 * alpha/alpha-protos.h: ... here. New file.
3836 * alpha/elf.h (CONST_SECTION_FUNCTION): Prototype the function.
3837 (SECTION_FUNCTION_TEMPLATE): Likewise.
3839 Thu Sep 23 11:15:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
3841 * expmed.c (do_cmp_and_jump): Pass ccp_jump to can_compare_p.
3842 * expr.c (expand_expr): Likewise.
3843 (do_jump): Likewise.
3844 (do_store_flag): Pass ccp_store_flag to can_compare_p.
3845 * expr.h (enum optab_index): Add cbranch, cmov, cstore optabs and
3847 (enum can_compare_purpose): New.
3848 (can_compare_p): Adjust prototype.
3849 (prepare_cmp_insn, prepare_operand): Declare.
3850 * genopinit.c (optabs): Add cbranch_optab, cmov_optab, cstore_optab.
3851 * optabs.c (cmp_available_p): Deleted.
3852 (expand_abs): Pass ccp_jump to can_compare_p.
3853 (can_compare_p): New arg PURPOSE. Check for combined optabs.
3854 (prepare_cmp_insn): No longer static. Add arg PURPOSE.
3855 Call can_compare_p rather than cmp_available_p.
3856 (prepare_operand): No longer static.
3857 (emit_cmp_and_jump_insn): Check for and use cbranch patterns.
3858 (emit_cmp_and_jump_insns): Pass ccp_jump to prepare_cmp_insn.
3859 (expand_float): Fix a slightly broken emit_cmp_insn/emit_jump_insn
3860 sequence to use emit_cmp_and_jump_insns.
3861 (init_optabs): Initialize cbranch_optab, cmov_optab, cstore_optab.
3863 Wed Sep 22 17:58:01 1999 Stan Cox <scox@cygnus.com>
3865 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Don't accept large
3866 register offsets; let LEGITIMIZE_ADDRESS load it into a register.
3867 (LEGITIMIZE_ADDRESS): Use plus_constant to avoid
3868 (plus (reg) (const_int 0))
3869 * mips.md (call_internal3c): New pattern for -mips16 -mlong-calls.
3871 Wed Sep 22 17:55:31 1999 David Edelsohn <edelsohn@gnu.org>
3873 * rs6000.c (expand_block_move): DImode loads and stores require
3874 word-aligned displacements. Increment address registers with
3875 adddi3 on 64-bit platform. Use TARGET_POWERPC64 not TARGET_64BIT.
3877 Wed Sep 22 17:35:55 1999 Michael Meissner <meissner@cygnus.com>
3879 * dwarf2out.c (base_type_die): Use the name __unknown__ if there
3880 is no name for the base type, rather than segfault. If we are
3881 writing out a complex integer type, use DW_ATE_lo_user.
3883 * expr.c (emit_move_insn_1): If we are copying a complex that fits
3884 in one word or less (complex char, complex short, or on 64 bit
3885 systems complex float) to/from a hard register, copy it through
3886 memory instead of dying in gen_{real,imag}part. If we have a
3887 short complex type, prevent inlining since it allocates stack
3890 * tree.c (build_complex_type): If we are writing dwarf2 output,
3891 generate a name for complex integer types.
3893 Wed Sep 22 11:34:08 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
3895 * basic-block.h (add_noreturn_fake_exit_edges): Use correct name.
3896 * flow.c (remove_edge): Remove extra whitespace.
3897 (remove_fake_edges): Fix comment.
3898 (add_noreturn_fake_exit_edges): Use the correct name.
3900 Wed Sep 22 16:12:40 BST 1999 Nathan Sidwell <nathan@acm.org>
3902 * Makefile.in (INTL_MOSTLYCLEAN, INTL_CLEAN): New variables.
3903 (mostlyclean): Depend on INTL_MOSTLYCLEAN.
3904 (clean): Depend on INTL_CLEAN.
3905 (maintainer-clean): Adjust.
3907 Wed Sep 22 10:18:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3909 * configure.in (AC_PREREQ): Bump to 2.13.
3910 (AC_C_STRINGIZE): Call this instead of using a custom macro.
3912 * gansidecl.h (HAVE_STRINGIZE): Define, if stage2 gcc && __STDC__.
3914 * system.h (HAVE_STRINGIZE): Test this instead of HAVE_CPP_STRINGIFY.
3916 * acconfig.h (HAVE_CPP_STRINGIFY): Delete.
3918 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Delete.
3919 (HAVE_STRINGIZE): Define.
3921 Wed Sep 22 06:25:15 1999 Jim Kingdon <http://developer.redhat.com>
3923 * c-parse.in: save and restore warn_pointer_arith on __extension__
3924 along with pedantic.
3925 (SAVE_WARN_FLAGS, RESTORE_WARN_FLAGS): Added.
3926 Set the type of extension to itype rather than $<itype>1 kludge.
3927 * extend.texi (Alternate Keywords): Adjust documentation.
3928 * c-parse.c, c-parse.y, objc-parse.c, objc-parse.y: Rebuilt.
3930 Wed Sep 22 06:06:57 1999 Jeffrey A Law (law@cygnus.com)
3932 * pa.c, pa.h, pa.md: Support multiple assembler dialects in
3933 most assembler templates.
3935 * pa.c (hppa_legitimize_address): Handle full offsets for PA2.0
3936 FP loads and stores.
3937 (following_call): Always return zero for the PA8000.
3938 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Handle full offsets for PA2.0
3939 FP loads and stores.
3940 (LEGITIMIZE_RELOAD_ADDRESS): Similarly.
3942 * pa.h (BRANCH_COST): Define.
3944 * pa.md (return, return_internal): Use bve for PA2.0.
3946 * pa.md (fused multiply): Add variants which reduce height for the
3947 fused multiply, but which still generate 2 insns.
3948 (fnegabs): Similarly.
3950 * pa.md (subsi3): Turn into an expander. Create two anonymous
3951 patterns. One for PA2.0 one for PA1.x. Use mtsarcm for PA2.0.
3952 * pa.h (EXTRA_CONSTRAINT): Handle 'S'.
3954 * pa.md (floatunssisf2, floatunssidf2): Generate different RTL
3956 (floatunssidf2_pa20, floatunssisf2_pa20): New patterns for PA2.0
3958 (floatunsdisf2, floatunsdidf2, fixuns_truncsfsi2): Likewise.
3959 (fixuns_truncdfsi2, fixuns_truncsfdi2, fixuns_truncdfsi2): Likewise.
3961 * regclass.c (init_regs): Add "top_of_stack" as a garbage
3964 * flow.c (record_active_eh_regions): Terminate loop after finding
3965 the last insn in the last basic block.
3967 Wed Sep 22 20:25:00 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3969 * config/c4x/c4x.md: Delete parallel instruction peepholes.
3971 Wed Sep 22 19:59:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3973 * config/c4x/c4x.c (c4x_add_gc_roots): Add tree roots.
3975 Wed Sep 22 19:56:25 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3977 * config/c4x/c4x.c (c4x_process_after_reload): Rework machdep insn
3978 splitting to not use output template.
3980 Wed Sep 22 19:50:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3982 * config/c4x/c4x.h (EXPAND_BUILTIN_VA_START): Call c4x_va_start.
3983 * config/c4x/c4x.c (c4x_va_start): New function.
3985 Tue Sep 21 18:40:01 1999 Jan Hubicka <hubicka@freesoft.cz>
3987 * genrecog.c (not_both_true): Handle correctly cases when called for
3988 tests with different positions in the insn.
3990 Tue Sep 21 18:29:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3992 * machmode.h (HOST_PTR_PRINTF): Move from here ...
3994 * system.h (HOST_PTR_PRINTF): ... to here.
3996 * mips-tfile.c: Don't include machmode.h.
3998 * Makefile.in (MACHMODE_H): New variable. Update to use it.
3999 (mips-tfile.o): Don't depend on machmode.h.
4001 Tue Sep 21 18:27:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4003 * haifa-sched.c (sched_analyze): Rename local variable `region' to
4004 avoid conflicts with typedef struct `region' at the top level scope.
4006 Tue Sep 21 14:14:50 1999 Richard Henderson <rth@cygnus.com>
4008 * basic-block.h (basic_block): Add eh_beg, eh_end.
4009 * flow.c (entry_exit_blocks): Update.
4010 (find_basic_blocks): Don't allocate bb_eh_end, or pass it around.
4012 (find_basic_blocks_1): Don't record eh_list at each bb. Use
4013 lists.c functions to allocate insn lists.
4014 (make_edges): Use eh_beg+eh_end, not the lists. Split out EH
4016 (make_eh_edge): ... here. New.
4017 (move_stray_eh_region_notes): New.
4018 (record_active_eh_regions): New.
4019 (delete_unreachable_blocks): Split out block merging ...
4020 (try_merge_blocks): ... here. New.
4021 (merge_blocks_move_predecessor_nojumps): Remove edge arg.
4022 Dump debugging data.
4023 (merge_blocks_move_successor_nojumps): Likewise.
4024 (merge_blocks): Use eh_beg+eh_end to validate block movement.
4026 Tue Sep 21 11:15:03 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4028 * extend.texi (Bound member functions): Document unbound pmf
4031 Tue Sep 21 14:55:11 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
4033 * flow.c (split_edge): Handle insertion on a fallthrough edge which
4034 has the EXIT_BLOCK as a dest.
4036 Tue Sep 21 14:51:23 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
4038 * flow.c (remove_edge): New function to remove an edge from the
4040 (remove_fake_successors): New function to remove fake successor edges.
4041 (remove_fake_edges): New function to remove all fake edges from the
4043 (add_fake_exit_edges): New function to add fake edges from all blocks
4044 with no successors to the exit block.
4045 * basic-block.h (remove_fake_edges, add_fake_exit_edges): Add
4046 prototypes for new functions.
4048 Tue Sep 21 14:49:53 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
4050 * config/mips/elf64.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR):
4051 Use Pmode to determine whether to output .dword or .word.
4053 Tue Sep 21 11:04:34 1999 Alex Samuel <samuel@codesourcery.com>
4055 * tree.c (built_in_filename): New variable.
4056 (BUILT_IN_FILENAME): New macro.
4057 (init_tree_codes): Allocate built_in_filename.
4058 (make_node): Use built_in_filename instead of string constant.
4060 Tue Sep 21 14:13:27 1999 Nick Clifton <nickc@cygnus.com>
4062 * configure.in: Add fr30 target.
4063 * configure: Regenerate.
4064 * config/fr30: New directory.
4065 * config/fr30/crti.asm: New file.
4066 * config/fr30/fr30.c: New file.
4067 * config/fr30/crtn.asm: New file.
4068 * config/fr30/fr30.h: New file.
4069 * config/fr30/fr30.md: New file.
4070 * config/fr30/lib1funcs.asm: New file.
4071 * config/fr30/t-fr30: New file.
4072 * config/fr30/xm-fr30.h: New file.
4074 Tue Sep 21 06:45:31 1999 Jeffrey A Law (law@cygnus.com)
4076 * flow.c (merge_blocks_move_successor_nojumps): Delete the
4077 BARRIER at the end of the successor, not the BARRIER before
4080 * pa.c (pa_add_gc_roots): Fix thinko in last change.
4082 Tue Sep 21 05:29:17 1999 Richard Earnshaw (rearnsha@arm.com)
4084 * stmt.c (any_pending_cleanups): Don't crash when
4085 current_function->stmt is unset.
4087 Tue Sep 21 00:59:49 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
4089 * emit-rtl.c (init_emit_once): Initialize const_int_rtx before
4090 other initializations that may use it for relative offsets.
4092 Mon Sep 20 21:43:25 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
4094 * config/i386/sol2.h (PREFERRED_DEBUGGING_TYPE): Use stabs.
4095 (ASM_SPEC): Moved from sol2dbg.h. Added work-around for gas.
4096 * config/i386/sol2dbg.h: Removed.
4097 * config/i386/sol2gas.h: New file, to enable gas work-around.
4098 * configure.in: Use i386/sol2gas.h on Solaris/x86 --with-gas.
4099 Don't use sol2dbg.h.
4100 * configure: Rebuilt.
4102 Mon Sep 20 13:29:41 1999 Mark Mitchell <mark@codesourcery.com>
4104 * invoke.texi (-fthis-is-variable): Remove documentation.
4106 Mon Sep 20 12:59:16 1999 Richard Henderson <rth@cygnus.com>
4108 * basic-block.h (compute_bb_for_insn): Declare.
4109 * flow.c (compute_bb_for_insn): Export. Don't accept the varray
4110 to use; set size of basic_block_for_insn directly.
4111 (find_basic_blocks): Update.
4113 Mon Sep 20 15:11:54 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4115 * flow.c (verify_flow_info): Fix typo, "abort;" -> "abort ();".
4117 Mon Sep 20 14:56:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4119 * crtstuff.c (ON_EXIT): Delete empty macro definition.
4120 (__do_global_ctors_aux): Call atexit(), not ON_EXIT().
4122 Mon Sep 20 15:25:35 1999 Nick Clifton <nickc@cygnus.com>
4124 * c-decl.c (c_decode_option): Extend comment.
4126 Mon Sep 20 14:43:37 1999 Nick Clifton <nickc@cygnus.com>
4128 * toplev.c (progname): Make 'const char *'
4129 (flag_print_mem): Move out of main.
4130 (version_flag): Move out of main.
4131 (filename): Move out of main.
4132 (debug_args): Remove g prefix from options.
4133 (documented_lang_options): Remove cpplib specific options.
4134 (display_help): Add g prefix to debug options.
4135 (check_lang_option): Delete this function.
4136 (decode_d_option): New function: Decode -d... option.
4137 (decode_f_option): New function: Decode -f... option.
4138 (decode_W_option): New function: Decode -W... option.
4139 (decode_g_option): New function: Decode -g... option.
4140 (independent_decode_option): New function: Decode a language
4141 independent command line option.
4142 (main): Invoke lang_decode_option and then
4143 independent_decode_option on each command line option in
4146 Mon Sep 20 05:41:36 1999 Jeffrey A Law (law@cygnus.com)
4148 Revert this change. Gavin's patch to operand_equal_p is a better fix.
4149 * fold-const.c (fold_range_test): Do not try to fold the range
4150 test if the rhs or lhs has side effects.
4152 * basic-block.h (compute_flow_dominators): Declare.
4154 * gcse.c (alloc_code_hoist_mem): New function.
4155 (free_code_hoist_mem, compute_code_hoist_vbeinout): Likewise.
4156 (compute_code_hoist_data, hoist_expr_reaches_here_p): Likewise.
4157 (hoist_code, one_code_hoisting_pass): Likewise.
4158 (gcse_main): If optimizing for size, then hoist expressions
4159 computed in multiple dominated basic blocks.
4161 * gcse.c (invalid_nonnull_info): New function.
4162 (delete_null_pointer_checks): Likewise.
4163 * rtl.h (delete_null_pointer_checks): Declare.
4164 * toplev.c (rest_of_compilation): Call delete_null_pointer_checks.
4166 * flow.c (merge_blocks_move_predecessor_nojumps): New function.
4167 (merge-blocks_move_successor_nojumps): Likewise.
4168 (merge_blocks): Allow merging of some blocks, even if it requires
4169 physical movement of the blocks, but not if it requires new jumps.
4171 * bitmap.c (debug_bitmap_file): Renmaed from bitmap_debug_file.
4172 Callers and prototype changed.
4173 * bitmap.h: Fix debug_bitmap and debug_bitmap_file prototypes.
4175 Mon Sep 20 06:56:32 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
4177 * config/sparc/sol2.h (LINK_SPEC): Avoid the duplication of
4178 -YP when both -p and -pg are present. From i386/sol2.h.
4180 Mon Sep 20 10:49:05 1999 Bernd Schmidt <bernds@cygnus.co.uk>
4182 * Makefile.in (distclean): Delete tm_p.h.
4183 * configure.in: Create a new file, "tm_p.h", from a list in
4184 "tm_p_file". For ix86 systems, set up "tm_p_file" to include
4185 "i386/i386-protos.h".
4187 * alias.c: Include "tm_p.h".
4188 * c-typeck.c: Likewise.
4189 * calls.c: Likewise.
4191 * emit-rtl.c: Likewise.
4192 * explow.c: Likewise.
4193 * expmed.c: Likewise.
4195 * final.c: Likewise.
4197 * fold-const.c: Likewise.
4198 * function.c: Likewise.
4200 * global.c: Likewise.
4201 * haifa-sched.c: Likewise.
4202 * integrate.c: Likewise.
4204 * local-alloc.c: Likewise.
4206 * optabs.c: Likewise.
4207 * recog.c: Likewise.
4208 * reg-stack.c: Likewise.
4209 * regclass.c: Likewise.
4210 * regmove.c: Likewise.
4211 * reload.c: Likewise.
4212 * reload1.c: Likewise.
4213 * reorg.c: Likewise.
4214 * resource.c: Likewise.
4216 * stor-layout.c: Likewise.
4217 * toplev.c: Likewise.
4219 * unroll.c: Likewise.
4220 * genattrtab.c (main): Make generated file include "tm_p.h".
4221 * genemit.c (main): Likewise.
4222 * genoutput.c (main): Likewise.
4223 * genrecog.c (main): Likewise.
4225 * i386.h: Delete all prototypes.
4226 * i386.c: Include "tm_p.h".
4227 (ix86_attr_length_default): Call constant_call_address_operand
4228 with correct number of arguments.
4229 * i386-protos.h: New file.
4230 * i386.md (unnamed patterns): Call constant_call_address_operand
4231 with correct number of arguments.
4232 (exception_receiver): Call load_pic_register with correct number
4235 Sun Sep 19 14:18:39 1999 Richard Henderson <rth@cygnus.com>
4237 * c-pragma.c (mark_align_stack): Dereference the void* properly.
4239 Sun Sep 19 09:03:40 1999 Mark Mitchell <mark@codesourcery.com>
4241 * rtl.h (insns_safe_to_move_p): New function.
4242 * loop.c (find_and_verify_loops): Use it.
4243 * rtlanal.c (insns_safe_to_move_p): Define it.
4245 Sun Sep 19 02:54:33 1999 Richard Henderson <rth@cygnus.com>
4247 * c-pragma.c: Include ggc.h.
4248 * Makefile.in (c-pragma.o): Update.
4250 Sat Sep 18 16:01:18 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
4252 * config/i386/sol2.h (CPP_SPEC): Support -[p]threads
4253 (LIB_SPEC): Likewise.
4254 (LINK_SPEC): Do not assert -z text with -shared -mimpure-text.
4255 Reindent -YP/-p/-pg.
4256 Copied from config/sparc/sol2.h.
4258 Sat Sep 18 11:52:43 1999 Richard Henderson <rth@cygnus.com>
4260 * c-pragma.c (mark_align_stack): New.
4262 * c-pragma.h (init_pragma): Declare it.
4263 * c-lex.c (init_parse): Call it.
4265 Sat Sep 18 15:20:38 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
4267 * configure.in: Pick up thread library on Solaris/x86 just
4268 like on Solaris/sparc.
4269 * configure: Rebuilt.
4271 Sat Sep 18 11:15:58 1999 Alex Samuel <samuel@codesourcery.com>
4273 * rtl.h (global_rtx_index): New enum.
4274 (global_rtl): Change to array of rtx.
4275 (pc_rtx, cc0_rtx): Redefine accordingly.
4276 (cc0_rtx, stack_pointer_rtx, frame_pointer_rtx): Likewise.
4277 (hard_frame_pointer_rtx, arg_pointer_rtx): Likewise.
4278 (virtual_incoming_args_rtx, virtual_stack_vars_rtx): Likewise.
4279 (virtual_outgoing_args_rtx, virtual_cfa): Likewise.
4280 (const_int_rtx): Change to array of rtx.
4281 (const0_rtx, const1_rtx, const2_rtx, constm1_rtx): Redefine
4283 * emit-rtl.c (global_rtl): Change to array of rtx.
4284 (const_int_rtx): Change to aray of rtx.
4285 (gen_rtx_CONST_INT): Redefine accordingly.
4286 (init_emit_once): Allocate and initialize global_rtl. Likewise
4287 for const_int_rtx. Add both as GC roots.
4288 * genattrtab.c (global_rtl): Update declaration.
4290 1999-09-17 Ulrich Drepper <drepper@cygnus.com>
4292 * Makefile (USER_H): Add iso646.h back.
4294 Sat Sep 18 01:07:21 1999 Jeffrey A Law (law@cygnus.com)
4296 * haifa-sched.c (sched_analyze): Use free_INSN_LIST_list instead of
4297 zapping the LOG_LINKS of sched_before_next_call.
4299 * pa.h (INSN_SETS_ARE_DELAYED): Delete.
4300 * pa.c (insn_refs_are_delayed): Renamed from
4301 insn_sets_and_refs_are_delayed.
4303 Fri Sep 17 15:19:01 1999 Mark Mitchell <mark@codesourcery.com>
4305 * functiion.h (struct function): Add x_whole_function_mode_p.
4306 (retrofit_block): Declare.
4307 * function.c (retrofit_block): New function.
4308 (identify_blocks): Add assertions. Allow an incomplete set of
4309 block notes if we're still generating code for the function.
4310 * integrate.c: Include loop.h.
4311 (expand_inline_function): Call find_loop_tree_blocks to map block
4312 notes to blocks when in whole-function mode. Use retrofit_block
4313 to insert new BLOCKs for the inlined function, rather than
4315 * stmt.c (expand_fixup): Likewise. Don't use pushlevel/polevel.
4316 * Makefile.in (integrate.o): Depend on loop.h.
4318 Fri Sep 17 15:11:20 1999 Mark Mitchell <mark@codesourcery.com>
4320 * tree.h (warn_about_unused_variables): Declare.
4321 * stmt.c (warn_about_unused_variables): New function, split out
4323 (expand_end_bindings): Here.
4325 Fri Sep 17 15:07:37 1999 Mark Mitchell <mark@codesourcery.com>
4327 * stmt.c (preserve_subexpressions_p): Don't crash when
4328 current_function->stmt is unset.
4330 Fri Sep 17 15:03:16 1999 Mark Mitchell <mark@codesourcery.com>
4332 * stmt.c (expand_start_bindings): Allow callers to pass a flag
4333 indicating that no NOTE_INSN_BLOCK_BEG note is required.
4334 (expand_start_target_temps): Use it.
4335 * except.c (expand_eh_region_start_for_decl): Likewise.
4336 * expr.c (expand_expr): Likewise.
4338 Fri Sep 17 15:05:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
4340 * fold-const.c (operand_equal_p): Pay attention to side effects.
4342 Fri Sep 17 11:14:17 1999 Jason Merrill <jason@yorick.cygnus.com>
4344 * libgcc2.c (L_exit): Check for ON_EXIT, not HAVE_ON_EXIT.
4345 * sparc/sunos4.h (HAVE_ON_EXIT): Remove.
4347 * tlink.c (scan_linker_output): Look for keywords before accepting
4348 a mangled name in quotes.
4350 Thu Sep 16 16:47:08 1999 Richard Henderson <rth@cygnus.com>
4352 * alpha/alpha-interix.h (DWARF2_UNWIND_INFO): Define to zero.
4353 * alpha/osf2or3.h (DWARF2_UNWIND_INFO): Likewise.
4355 Thu Sep 16 16:35:41 1999 Richard Henderson <rth@cygnus.com>
4357 * alpha.md: Revert Thu Nov 26 change that came in through the
4358 last gcc2 merge: reinstate (plus (plus ...)) reload patterns.
4359 Avoid earlyclobber when possible.
4361 Thu Sep 16 18:44:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4363 * libgcc2.c (__do_global_ctors): Call atexit with one arg.
4365 * sparc/sunos4.h (on_exit): Wrap prototype parameters in PARAMS().
4366 Define HAVE_ON_EXIT.
4368 Thu Sep 16 18:06:35 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4370 * system.h (CTYPE_CONV, TOUPPER, TOLOWER): New macros. Use
4371 CTYPE_CONV in all ctype macros.
4373 * cccp.c (initialize_char_syntax): Use uppercase ctype macro
4376 * cexp.y (initialize_random_junk): Likewise.
4378 * c4x.c (c4x_interrupt_function_p, c4x_handle_pragma): Likewise.
4380 * i370.c (handle_pragma): Likewise.
4382 * i370.h (ASM_OUTPUT_LABELREF, ASM_OUTPUT_ASCII): Likewise.
4384 * v850.c (override_options): Likewise.
4386 * doprint.c (_doprnt): Likewise.
4388 * fixinc/fixincl.c (main, quoted_file_exists, extract_quoted_files):
4391 * fixinc/server.c (load_data): Likewise.
4393 * fold-const.c (real_hex_to_f): Likewise.
4395 * genattr.c (write_upcase, gen_attr): Likewise.
4397 * genattrtab.c (convert_const_symbol_ref, evaluate_eq_attr,
4398 write_upcase): Likewise.
4400 * genemit.c (print_code): Likewise.
4402 * genopinit.c (gen_insn): Likewise.
4404 * genpeep.c (print_code): Likewise.
4406 * genrecog.c (print_code): Likewise.
4408 * optabs.c (init_libfuncs): Likewise.
4410 Thu Sep 16 14:03:32 1999 Mark Mitchell <mark@codesourcery.com>
4412 * haifa-sched.c (sched_analyze): Keep the list of notes organized
4414 (reemit_notes): Likewise.
4416 Thu Sep 16 11:50:52 1999 Alex Samuel <samuel@codesourcery.com>
4418 * ggc.h (ggc_root): Move to ggc-common.c.
4420 (ggc_mark_rtx, ggc_mark_tree): Change to macro.
4421 (ggc_mark_rtvec, ggc_mark_tree_varray): Declare extern.
4422 (ggc_mark_tree_hash_table, ggc_mark_string, ggc_mark): Likewise.
4423 (ggc_mark_roots, ggc_mark_rtx_children, ggc_mark_tree_children): New.
4424 * ggc-common.c (ggc_root): Move from ggc.h.
4425 (roots): Declare, static.
4426 (ggc_mark_rtx, ggc_mark_tree): Renamed to...
4427 (ggc_mark_rtx_children, ggc_mark_tree_children): Don't check for
4428 null or check/set mark bit.
4429 (ggc_mark_roots): New.
4430 * ggc-simple.c (ggc_collect): Call ggc_mark_roots.
4432 Thu Sep 16 11:37:32 1999 Richard Henderson <rth@cygnus.com>
4434 * m32r.c: Include toplev.h.
4435 (*): Add ATTRIBUTE_UNUSED as needed to arguments.
4436 (gen_compare): Rename swap_p to must_swap to match uses.
4437 Add default abort case.
4438 (m32r_output_function_epilogue): Remove unused variables.
4439 (m32r_print_operand): Use HOST_WIDE_INT_PRINT_HEX.
4440 * m32r.h (PROTO, STDIO_PROTO): Rename XPROTO; unconditionally
4441 define to empty parameter list. Update all uses.
4442 (predicate decls): Use enum machine_mode not int.
4443 * m32r.md (movsi): Call abort, not fatal_insn.
4444 (zero_branch_insn, rev_zero_branch_insn): Add default abort case.
4446 1999-09-14 Andrew Haley <aph@cygnus.com>
4448 * config/mips/mips.md (movsi_usw): if operand 1 is const_int 0,
4449 use $0 instead of 0.
4451 Thu Sep 16 10:53:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
4453 * reload1.c (order_regs_for_reload): Move hard_reg_n_uses
4454 computation out of loop over hard regs.
4456 Wed Sep 15 21:37:06 1999 Mark Mitchell <mark@codesourcery.com>
4458 * function.c (identify_blocks): Don't shadow a variable in an
4460 * integrate.c (integrate_decl_tree): Don't use pushlevel,
4461 pushdecl, or poplevel to build up the new BLOCK tree.
4462 (expand_inline_function): Likewise.
4463 (integrate_parm_decls): Likewise.
4465 Wed Sep 15 21:20:38 1999 Mark Mitchell <mark@codesourcery.com>
4467 * c-typeck.c (qualify_type): Merge qualifiers from both types.
4469 1999-09-15 Brad Lucier <lucier@math.purdue.edu>
4471 * toplev.c: Allow -f[no-]math-errno to set (clear) flag_errno_math
4472 * invoke.texi: Document this change.
4474 Wed Sep 15 17:56:00 1999 Richard Henderson <rth@cygnus.com>
4476 * emit-rtl.c (free_emit_status): Don't check DECL_DEFER_OUTPUT.
4478 (mark_emit_status): Renamed from mark_emit_state.
4479 * except.c (mark_eh_status): Renamed from mark_eh_state.
4480 Check not null before marking.
4481 (free_eh_status): New.
4482 * expr.c (mark_expr_status, free_expr_status): New.
4483 * function.c (free_machine_status): New.
4484 (free_after_parsing): New.
4485 (free_after_compilation): Move bits to free_after_parsing; call
4486 free_eh_status, free_expr_status; zero the marked members of the
4488 (prepare_function_start): No can_garbage_collect.
4489 Call init_eh_for_function.
4490 (expand_dummy_function_end): Free up current_function state.
4491 (mark_function_status): Renamed from mark_function_state.
4492 (mark_function_chain): No can_garbage_collect. Call mark_expr_status.
4493 * function.h (struct function): No can_garbage_collect.
4494 (free_machine_status, free_after_parsing): Declare.
4495 (free_eh_status, free_expr_status): Declare.
4496 * ggc.h (mark_expr_status): Declare.
4497 * stmt.c (free_stmt_status): Free the struct.
4498 (mark_stmt_status): Renamed from mark_stmt_state.
4499 (init_stmt): Don't call init_eh.
4500 (init_stmt_for_function): Don't call init_eh_for_function.
4501 * toplev.c (compile_file): Call init_eh.
4502 (rest_of_compilation): Free basic block info before ggc_collect.
4503 Call free_after_parsing; conditionally call free_after_compilation.
4504 * varasm.c (mark_varasm_status): Renamed from mark_varasm_state.
4505 Check not null before marking.
4506 (free_varasm_status): Don't check DECL_DEFER_OUTPUT. Free the struct.
4508 Wed Sep 15 17:53:16 1999 Richard Henderson <rth@cygnus.com>
4510 * c-lex.c (yylex): Initialize warn.
4512 Wed Sep 15 18:35:38 1999 Jeffrey A Law (law@cygnus.com)
4514 * pa.c (emit_move_sequence): Properly set the mode of the scratch
4515 register when performing secondary reloads for the SAR register.
4517 Wed Sep 15 15:51:52 1999 Mark Mitchell <mark@codesourcery.com>
4519 * rtl.h (NOTE_BLOCK_NUMBER): Replace with ...
4520 (NOTE_BLOCK): New macro.
4521 (NOTE_BLOCK_LIVE_RANGE_BLOCK): Remove.
4522 * function.h (identify_blocks): Change prototype.
4523 * function.c (identify_blocks): Simplify.
4524 (reorder_blocks): Likewise.
4525 * ggc-common.c (ggc_mark_rtx): Mark the BLOCK associated with a
4526 NOTE_INSN_BLOCK_{BEG,END}.
4527 * haifa-sched.c (sched_analyze): Don't put NOTE_BLOCK_NUMBER on
4528 the list of saved notes if the note isn't a
4529 NOTE_INSN_BLOCK_{BEG,END}.
4530 (move_insn1): Use NOTE_EH_HANDLER in comment, rather than
4532 (reemit_notes): Adjust recreation of notes to reflect new saved
4534 * print-rtl.c (print_rtx): Print the address of the BLOCK when
4535 printing a block note.
4536 * stmt.c (block_vector): Remove.
4537 (find_loop_tree_blocks): Simplify.
4538 (unroll_block_trees): Likewise.
4539 * tree.h (reorder_block): Change prototype.
4541 Wed Sep 15 14:39:35 1999 Jason Merrill <jason@yorick.cygnus.com>
4543 * gbl-ctors.h: Lose HAVE_ATEXIT. Don't define ON_EXIT.
4544 * libgcc2.c: Lose obsolete defn of WEAK_ALIAS.
4545 (__bb_init_func, __bb_init_prg): Use atexit instead of ON_EXIT.
4546 (__do_global_dtors): Likewise. Don't mess with _exit_dummy_decl.
4547 (atexit, exit): Simplify.
4548 * tm.texi: Document NEED_ATEXIT and ON_EXIT. Remove HAVE_ATEXIT.
4549 * config/lots: Remove defns of HAVE_ATEXIT.
4551 Wed Sep 15 10:25:12 1999 Mark Mitchell <mark@codesourcery.com>
4553 * calls.c (precompute_arguments): Fix typo in comment.
4554 * expr.c (preexpand_calls): Don't preexpand the cleanup in a
4557 Wed Sep 15 09:59:59 1999 Mark Mitchell <mark@codesourcery.com>
4559 * dsp16xx.c (override_options): Fix typos in GC root registration.
4561 Wed Sep 15 15:23:28 1999 Philip Blundell <pb@nexus.co.uk>
4563 * config/arm/linux-elf.h (MAKE_DECL_ONE_ONLY): Copy definition
4565 (UNIQUE_SECTION_P, UNIQUE_SECTION): Likewise.
4566 (FUNCTION_PROFILER): Redefine appropriately for Linux.
4567 (CC1_SPEC): Likewise.
4569 Wed Sep 15 10:09:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4571 * genattr.c (main): Add extern prototype. Call return, not exit.
4572 * genattrtab.c (main): Likewise.
4573 * gencheck.c (main): Likewise.
4574 * gencodes.c (main): Likewise.
4575 * genconfig.c (main): Likewise.
4576 * genemit.c (main): Likewise.
4577 * genextract.c (main): Likewise.
4578 * genflags.c (main): Likewise.
4579 * gengenrtl.c (main): Likewise.
4580 * genopinit.c (main): Likewise.
4581 * genoutput.c (main): Likewise.
4582 * genpeep.c (main): Likewise.
4583 * genrecog.c (main): Likewise.
4585 * genattr.c (get_insn_name): Mark parameter with ATTRIBUTE_UNUSED.
4586 * genattrtab.c (get_insn_name): Likewise.
4587 * gencodes.c (get_insn_name): Likewise.
4588 * genconfig.c (get_insn_name): Likewise.
4589 * genemit.c (get_insn_name): Likewise.
4590 * genextract.c (get_insn_name): Likewise.
4591 * genflags.c (get_insn_name): Likewise.
4592 * genopinit.c (get_insn_name): Likewise.
4593 * genpeep.c (get_insn_name): Likewise.
4595 * gencheck.c (usage): Add static prototype.
4596 * genextract.c (print_path): Constify a char*.
4597 * genopinit.c (optabs): Likewise.
4598 * genoutput.c (operand_data, data, output_predicate_decls,
4599 compare_operands): Likewise.
4600 * genrecog.c (write_tree): Add default case in switch.
4602 Wed Sep 15 09:59:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4604 * rtl.h (get_insn_name, print_rtl_with_bb): Add prototypes.
4606 * print-rtl.c (get_insn_name): Remove prototype.
4608 * toplev.h (progname): Declare const.
4610 * toplev.c (init_decl_processing, init_obstacks, init_tree_codes,
4611 init_regs, init_optabs, init_stmt, init_reg_sets, dump_flow_info,
4612 dump_sched_info, dump_local_alloc, regset_release_memory,
4613 print_rtl, print_rtl_with_bb, rest_of_decl_compilation,
4614 error_with_file_and_line, error_with_decl, error_for_asm, error,
4615 fatal, warning_with_file_and_line, warning_with_decl, warning,
4616 pedwarn, pedwarn_with_decl, pedwarn_with_file_and_line, sorry):
4617 Remove redundant prototypes.
4619 (notice, check_lang_option, report_file_and_line, vnotice,
4620 mark_file_stack): Add static prototype.
4621 (set_fatal_function): Add prototype.
4622 (vnotice, report_file_and_line, set_fatal_function,
4623 check_lang_option): Constify a char*.
4624 (main): Prototype. Call return, not exit.
4626 Wed Sep 15 09:50:18 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4628 * aclocal.m4 (AC_GCC_C_LONG_DOUBLE): New macro.
4630 * configure.in (AC_GCC_C_LONG_DOUBLE): Call it.
4632 * gansidecl.h (HAVE_LONG_DOUBLE): Define if gcc for stage2.
4634 * ggc-simple.c (HAVE_LONG_DOUBLE): Test before using long double.
4636 Wed Sep 15 11:04:43 1999 Bernd Schmidt <bernds@cygnus.co.uk>
4638 * function.c (assign_parms): Delete arg SECOND_TIME. Don't test it,
4639 behave as if it's zero in all cases.
4640 (expand_function_start): Adjust call to assign_parms.
4641 * tree.h (assign_parms): Adjust prototype.
4642 * objc/objc-act.c (hack_method_prototype): Adjust call to
4645 Tue Sep 14 21:47:06 1999 Jeffrey A Law (law@cygnus.com)
4647 * cse.c (FIXED_BASE_PLUS_P): Do not consider referneces to
4648 arg_pointer_rtx fixed if the argument pointer register is
4650 (NONZERO_BASE_PLUS_P): Likewise.
4652 Tue Sep 14 20:26:02 1999 Richard Henderson <rth@cygnus.com>
4654 * rtl.def (match_insn, match_insn2): Remove match_insn; rename
4655 match_insn2 to match_insn.
4656 * genrecog.c (add_to_sequence): Rename MATCH_INSN2.
4658 Tue Sep 14 20:10:29 1999 Richard Henderson <rth@cygnus.com>
4660 * Makefile.in (USER_H): Remove va-foo.h.
4662 * ginclude/{va-alpha.h,va-arc.h,va-c4x.h,va-clipper.h,va-h8300.h,
4663 va-i860.h,va-i960.h,va-m32r.h,va-m88k.h,va-mips.h,va-mn10200.h,
4664 va-mn10300.h,va-pa.h,va-ppc.h,va-pyr.h,va-sh.h,va-sparc.h,
4665 va-spur.h,va-v850.h}: Remove.
4667 Tue Sep 14 19:43:16 1999 Richard Henderson <rth@cygnus.com>
4669 * sparc/sparc.md (eligible_for_return_delay): New attribute.
4670 (in_return_delay): Use it instead of match_insn.
4672 Tue Sep 14 23:05:37 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
4674 * config/alpha/va_list.h (va-alpha.h): Do not include.
4675 (__gnuc_va_list): Typedef as in varargs.h.
4677 Tue Sep 14 18:14:03 1999 Richard Henderson <rth@cygnus.com>
4679 * ggc-common.c (ggc_mark_tree): Mark DECL_SOURCE_FILE and
4680 DECL_LIVE_RANGE_RTL.
4682 Tue Sep 14 16:47:08 1999 Mark Mitchell <mark@codesourcery.com>
4684 * except.c (expand_eh_region_start_for_decl): Use NOTE_EH_HANDLER,
4685 not NOTE_BLOCK_NUMBER.
4686 (expand_eh_region_end): Likewise.
4687 (find_exception_handler_labels): Likewise.
4688 (scan_region): Likewise.
4689 (exception_optimize): Likewise.
4690 (update_rethrow_references): Likewise.
4691 (set_insn_eh_region): Likewise.
4692 * final.c (final_scan_insn): Likewise.
4693 * flow.c (make_edges): Likewise.
4694 * integrate.c (expand_inline_function): Likewise.
4695 * print-rtl.c (print_rtx): Likewise.
4697 Tue Sep 14 16:30:16 1999 Richard Henderson <rth@cygnus.com>
4699 * ginclude/stdarg.h, ginclude/varargs.h: Implement in
4700 terms of builtin functions and types.
4702 * mips.c (mips_build_va_list): New.
4703 (mips_va_start, mips_va_arg): New.
4704 * mips.h (BUILD_VA_LIST_TYPE): New.
4705 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
4707 * sh.c (sh_builtin_saveregs): Use get_varargs_alias_set.
4708 (sh_build_va_list, sh_va_start, sh_va_arg): New.
4709 * sh.h (BUILD_VA_LIST_TYPE): New.
4710 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
4712 Tue Sep 14 16:20:24 1999 Richard Henderson <rth@cygnus.com>
4714 * recog.h (struct recog_data): Make dup_num, operand_address_p,
4715 n_operands, n_dups, n_alternatives `char' instead of `unsigned char'.
4716 (struct insn_data): Likewise with n_operands, n_dups,
4717 n_alternatives, output_format.
4718 * regclass.c (scan_one_insn): Cast n_operands to int before
4719 arithmetic inside comparison.
4721 Tue Sep 14 15:13:36 1999 Richard Henderson <rth@cygnus.com>
4723 * toplev.c (compile_function): Unconditionally emit nop.
4725 Tue Sep 14 14:41:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4727 * haifa-sched.c (actual_hazard): Move declaration of variable
4728 `this_cost' into the scope where it is used.
4730 Tue Sep 14 14:14:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4732 * c-pragma.c (handle_pragma_token): Wrap variables `name' and
4733 `value' in HANDLE_PRAGMA_WEAK. Wrap variable `align' in
4734 HANDLE_PRAGMA_PACK||HANDLE_PRAGMA_PACK_PUSH_POP.
4736 * genrecog.c (make_insn_sequence): Call memset, not bzero.
4738 * jump.c (find_insert_position): Don't declare or define unless
4739 !HAVE_conditional_arithmetic.
4740 (returnjump_p_1, delete_prior_computation): Add static prototypes.
4742 * mips-tdump.c (fatal, fancy_abort, main): Add extern prototypes.
4744 * recog.c (offsettable_address_p): Prototype function pointer.
4745 (preprocess_constraints): Call memset, not bzero.
4747 * tree.c (tree_node_kind_names): Constify a char*. Make static.
4748 (gcc_obstack_init): Don't declare.
4749 (fix_sizetype): Add static prototype.
4750 (gcc_obstack_init): Use prototype casts in call to _obstack_begin.
4751 (tree_cons): Call memset, not bzero.
4753 * varasm.c (remove_from_pending_weak_list): Wrap declaration and
4754 definition in macro ASM_WEAKEN_LABEL.
4755 (mark_const_hash_entry): Add static prototype.
4757 Tue Sep 14 12:22:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4759 * c-lex.c (handle_generic_pragma): Remove unused variable `c'.
4761 * unroll.c (find_common_reg_term, subtract_reg_term,
4762 loop_find_equiv_value): Add static prototypes.
4763 (unroll_loop): Wrap variable `prev' in macro HAVE_cc0.
4764 (copy_loop_body): Remove unreachable break statement.
4766 * sparc.c (sparc_va_arg): Remove unused variable `tmp'.
4768 * sparc.h (sparc_va_start, sparc_va_arg): Add extern prototypes.
4770 Tue Sep 14 15:28:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
4772 Undo some changes from the gcc2 merge:
4773 * rtl.def (CONSTANT_P_RTX): Fix the comment for this rtx code.
4774 * emit-rtl.c (gen_rtx_REG): Don't test special reg rtx's for null
4778 Sat Oct 3 07:20:28 1998 Stephen L Moshier <moshier@world.std.com>
4779 * emit-rtl.c (gen_lowpart_common): Disable optimization of
4780 initialized float-int union if the value is a NaN.
4782 Tue Sep 14 04:03:44 1999 Mumit Khan <khan@xraylith.wisc.edu>
4784 * gthr-win32.h: New file.
4786 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Recognize
4787 shared as a valid attribute.
4788 * i386/cygwin.h (ASM_OUTPUT_SECTION): Handle shared attribute.
4789 * extend.texi: Document `shared' variable attribute.
4791 Tue Sep 14 04:01:46 1999 Loren Rittle <ljrittle@acm.org>
4793 * configure.in: Handle --enable-threads on FreeBSD.
4794 * configure: Rebuit.
4796 Tue Sep 14 03:58:44 1999 Andreas Jaeger <aj@arthur.rhein-neckar.de>
4798 * configure.in: Add crtbeginS.o, crtendS.o for mips-linux; add
4800 * configure: Rebuilt.
4802 Tue Sep 14 03:47:23 1999 Joel Sherrill <joel@OARcorp.com>
4803 Charles-Antoine Gauthier <charles.gauthier@iit.nrc.ca>
4804 Rosimildo DaSilva <rdasilva@connecttel.com>
4806 * configure.in (m68k-*-rtemscoff*): Added.
4807 * configure.in (mips64orion-*-rtems*): Converted to ELF.
4808 * configure.in (sparc-*-rtemsaout*): Added as alias for old
4809 sparc-rtems configuration.
4810 * configure.in (sparc-*-rtemself*): Added.
4811 * configure.in (sparc-*-rtems*): Now ELF not a.out.
4812 * config/i386/rtems.h: Added comment.
4813 * config/sparc/rtemself.h: New file.
4815 * configure.in (m68k-rtemself): Added.
4816 * config/elfos.h: Added ifndef wrapper for DWARF2_DEBUGGING_INFO
4817 and DWARF_DEBUGGING_INFO.
4818 * config/m68k/crti.s: New file.
4819 * config/m68k/crtn.s: New file.
4820 * config/m68k/t-crtstuff: New file.
4821 * config/m68k/rtemself.h: New file.
4823 * configure.in (i[[34567]]86-*-rtemself*): Now uses crtstuff for
4824 global ctor/dtor and C++ exception handling.
4825 * config/i386/rtemself.h: Now uses crtstuff (crti.o + crtbegin.o)
4826 for STARTFILE_SPEC and crtstuff (crtend.o + crtn.o) for
4828 * config/i386/t-rtems-i386: New File.
4830 Tue Sep 14 09:47:41 1999 Andreas Schwab <schwab@suse.de>
4832 * stmt.c (expand_end_case): Return right away if the case stack is
4835 Tue Sep 14 01:47:19 1999 Jeffrey A Law (law@cygnus.com)
4837 * Makefile.in (version.c): Remove rule incorrectly brought in from
4840 Tue Sep 14 01:42:27 1999 Marc Espie <espie@cvs.openbsd.org>
4842 * Makefile.in: Prepend $(SHELL) to move-if-change calls.
4843 * msdos/top.sed: Take into account a prepended $(SHELL) to
4845 * winnt/config-nt.sed: Likewise. Kill bogus substitution.
4847 * objc/Make-lang.in: Prepend $(SHELL) to move-if-change calls.
4849 Tue Sep 14 01:38:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
4851 * regmove.c (fixup_match_1): Don't change an unchanging register.
4852 (stable_but_for_p): Renamed to:
4853 (stable_and_no_regs_but_for_p). Reject unchanging registers too.
4854 Changed all callers.
4856 Tue Sep 14 01:33:15 1999 Andreas Schwab <schwab@suse.de>
4858 * loop.c (strength_reduce): Don't call reg_used_between_p if the
4859 insn from BL2 is after the insn from BL.
4861 Mon Sep 13 21:06:01 1999 Richard Henderson <rth@cygnus.com>
4863 * recog.h (INSN_OUTPUT_FORMAT_*): New.
4864 (struct insn_data): Merge `template' and `outfun' into `output'.
4865 Add `output_format'.
4866 * genoutput.c (INSN_OUTPUT_FORMAT_*): New.
4867 (struct data): Remove `outfun'; add `output_format'.
4868 (name_for_index): Remove declaration.
4869 (output_insn_data): Handle output formats.
4870 (process_template): Emit the bare array for @.
4871 (gen_expand, gen_split): Set output_format to NONE.
4872 * output.h (get_insn_template): Declare.
4873 * final.c (get_insn_template): New.
4874 (final_scan_insn): Use it.
4875 * toplev.c (compile_file): Likewise.
4877 * c4x/c4x.c (c4x_process_after_reload): Likewise.
4878 * i860/i860.c (output_delayed_branch): Likewise.
4879 (output_delay_insn): Likewise.
4881 1999-09-13 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
4883 * rtl.c (obstack_alloc_rtx): Removed.
4885 1999-09-13 17:03 -0700 Zack Weinberg <zack@bitmover.com>
4887 * config/gmicro/gmicro.md: Disable move DF->DI anonymous pattern.
4889 Mon Sep 13 15:21:46 1999 Richard Henderson <rth@cygnus.com>
4891 * i386.c (call_insn_operand): Reject const_int.
4892 (expander_call_insn_operand): Use call_insn_operand.
4894 Mon Sep 13 17:44:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4896 * gcc.c (getrusage): Wrap prototype arguments in PROTO().
4898 1999-09-13 12:18 -0700 Zack Weinberg <zack@bitmover.com>
4900 * config/i370/i370.md (mulsi, divsi, modsi anonymous insns):
4901 Use DImode operation.
4903 1999-09-13 12:13 -0700 Zack Weinberg <zack@bitmover.com>
4905 * gcc.c: Include sys/resource.h.
4906 (report_times): New flag.
4907 (execute): If report_times is set, calculate and report the
4908 CPU time consumed by each subprocess.
4910 (rus, prus): New globals.
4911 (option_map): Add --time.
4912 (display_help): Document -time.
4913 (process_command): Set report_times if -time is given.
4914 Turn off -pipe if -time is given.
4916 * invoke.texi: Document new option -time.
4918 * configure.in: Check for getrusage. Check if we have to
4919 prototype getrusage.
4920 * acconfig.h: Add NEED_DECLARATION_GETRUSAGE.
4921 * configure: Regenerate.
4922 * config.in: Regenerate.
4924 Mon Sep 13 12:57:06 1999 Dave Brolley <brolley@cygnus.com>
4926 * cppinit.c (append_include_chain): Initialize 'next' and 'alloc'
4929 Mon Sep 13 10:01:33 1999 Nick Clifton <nickc@cygnus.com>
4931 * config/fp-bit.c: Define L_thenan_sf or L_thenan_df (as
4932 appropriate) if FINE_GRAINED_LIBRARIES is not defined.
4933 (nan): Return _thenan_sf or _thenan_df as appropriate.
4934 (L_thenan_sf): Define _thenan_sf.
4935 (L_thenan_df): Define _thenan_df.
4937 * Makefile.in (FPBIT_FUNCS): Add _thenan_sf.
4938 (DPBIT_FUNCS): Add _thenan_df.
4940 Mon Sep 13 09:38:53 1999 Andreas Schwab <schwab@suse.de>
4942 * tree.c (fix_sizetype): Exchange the types for TYPE_SIZE and
4945 Sun Sep 12 23:28:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4947 * Makefile.in (gcc.o, gccspec.o, cppspec.o): Depend on gcc.h.
4950 (lang_specific_driver): Don't take a function pointer parameter.
4951 All callers changed.
4953 * gcc.c: Include gcc.h.
4954 (do_spec, fancy_abort,lang_specific_driver,lang_specific_pre_link,
4955 lang_specific_extra_outfiles, fatal): Don't declare.
4956 (multilib_defaults_raw): Constify.
4957 (read_specs): Call memset, rather than bzero.
4958 (main): Call return, not exit.
4959 (lookup_compiler): Call memcpy, not bcopy.
4960 (fatal): Make extern.
4962 * cppspec.c: Include gcc.h.
4963 (lang_specific_driver): Initialize variable `quote'. Constify a
4964 char*. All calls to the function pointer parameter now
4965 explicitly call `fatal'.
4967 * gccspec.c (lang_specific_driver): Include gcc.h.
4969 Sun Sep 12 19:52:10 1999 Richard Earnshaw <rearnsha@arm.com>
4971 * arm.c (note_invalid_constants): Use recog_data.operand_type
4974 Sun Sep 12 15:53:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
4976 * tree.h (build_common_tree_nodes, build_common_tree_nodes_2):
4979 * reload.h (reload_in, reload_out, reload_in_reg, reload_out_reg,
4980 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
4981 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
4982 reload_secondary_in_reload, reload_secondary_out_reload,
4983 reload_secondary_in_icode, reload_secondary_out_icode,
4984 reload_reg_rtx, reload_when_needed): Delete declarations.
4985 (struct reload): New structure.
4986 (rld): Declare new array.
4987 * reload.c (reload_in, reload_out, reload_in_reg, reload_out_reg,
4988 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
4989 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
4990 reload_secondary_in_reload, reload_secondary_out_reload,
4991 reload_secondary_in_icode, reload_secondary_out_icode,
4992 reload_reg_rtx, reload_when_needed): Delete definitions.
4994 (whole file): Replace uses of the deleted arrays with uses of rld.
4995 * reload1.c (whole file): Replace uses of the deleted arrays with
4997 (choose_reload_regs): Copy in/out of save_reload_reg_rtx with
4998 explicit loops, not with bcopy.
5000 Sun Sep 12 05:00:24 1999 Richard Henderson <rth@cygnus.com>
5002 * recog.h (insn_template, insn_outfun, insn_n_operands, insn_n_dups,
5003 insn_n_alternatives, insn_operand_constraint, insn_operand_address_p,
5004 insn_operand_mode, insn_operand_strict_low, insn_operand_predicate,
5005 insn_name): Delete and consolidate into new structures.
5006 (insn_operand_predicate_fn): New.
5007 (insn_output_fn): New.
5009 (struct insn_operand_data): New.
5010 (struct insn_data): New.
5012 (OUT_FCN): Update for insn_data change.
5013 * builtins.c (expand_builtin_strlen): Likewise.
5014 (expand_builtin_memcmp): Likewise.
5015 * combine.c (make_extraction, simplify_comparison): Likewise.
5016 * cse.c (canon_reg, cse_insn): Likewise.
5017 * explow.c (allocate_dynamic_stack_space, probe_stack_range): Likewise.
5018 * expmed.c (store_bit_field, extract_bit_field): Likewise.
5019 (emit_store_flag): Likewise.
5020 * expr.c (convert_move, emit_block_move): Likewise.
5021 (clear_storage, emit_push_insn, expand_increment): Likewise.
5022 (do_store_flag): Likewise.
5023 * expr.h (GEN_FCN): Likewise.
5024 (insn_gen_function): Die.
5025 * final.c (final_scan_insn): Update for insn_data change.
5026 (output_asm_name): Likewise.
5027 * function.c (fixup_var_refs_1): Likewise.
5028 * loop.c (check_dbra_loop): Likewise.
5029 * optabs.c (expand_binop, expand_twoval_binop): Likewise.
5030 (expand_unop, expand_complex_abs, emit_unop_insn): Likewise.
5031 (prepare_cmp_insn, prepare_operand, emit_indirect_jump): Likewise.
5032 (emit_conditional_move, gen_add2_insn, gen_sub2_insn): Likewise.
5033 * recog.c (validate_replace_rtx_1, extract_insn): Likewise.
5034 * regmove.c (gen_add3_insn): Likewise.
5035 * reload.c (push_secondary_reload, combine_reloads): Likewise.
5036 (find_reloads, find_reloads_address_1): Likewise.
5037 (debug_reload_to_stream): Likewise.
5038 * reload1.c (emit_reload_insns, gen_reload): Likewise.
5039 * stmt.c (expand_end_case): Likewise.
5040 * toplev.c (compile_file): Likewise.
5042 * c4x/c4x.c (c4x_process_after_reload): Likewise.
5043 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
5045 * print-rtl.c (insn_name_ptr): Remove declaration.
5046 (get_insn_name): Declare.
5047 (print_rtx): Use it.
5048 * genoutput.c (insn_name_ptr): Remove.
5049 (next_operand_number): New.
5050 (struct operand_data): New.
5051 (null_operand, odata, odata_end): New.
5052 (struct data): Use struct operand_data.
5053 (idata, idata_end): Renamed from insn_data and end_of_insn_data.
5054 (get_insn_name): Renamed from name_for_index.
5055 (output_prologue): Define NO_MD_PROTOTYPES.
5056 (output_predicate_decls): Break out from output_epilogue.
5057 Iterate over the operands list.
5058 (output_operand_data): Break out from output_epilogue. Emit
5059 just the operands list.
5060 (output_insn_data): Break out from output_epilogue. Emit just
5062 (output_epilogue): Remove.
5063 (output_get_insn_name): New.
5064 (constraints, op_n_alternatives, predicates, address_p): Die.
5065 (modes, strict_low, seen): Die.
5066 (scan_operands): Take new param `d' instead of writing to
5067 seven global variables.
5068 (compare_operands): New.
5069 (place_operands): New.
5070 (validate_insn_alternatives): Update for struct data change.
5071 (gen_insn): Don't zero or copy 7 global arrays. Update for
5072 scan_operands; call place_operands.
5073 (gen_peephole, gen_expand, gen_split): Likewise.
5074 (main): Update for new output routines.
5076 * genattr.c (insn_name_ptr): Remove.
5077 (get_insn_name): New function.
5078 * genattrtab.c, gencodes.c, genconfig.c, genemit.c: Likewise.
5079 * genextract.c, genflags.c, genopinit.c, genpeep.c: Likewise.
5080 * genrecog.c: Likewise.
5082 * alpha.md (adddi3): Make `pattern' array static.
5084 Sun Sep 12 22:05:21 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5086 * config/c4x/c4x.h (c4x_rpts_cycles_string,
5087 c4x_cpu_version_string): Constify char *.
5088 * config/c4x/c4x.c (c4x_rpts_cycles_string,
5089 c4x_cpu_version_string): Likewise.
5091 Sat Sep 11 23:28:33 1999 Richard Henderson <rth@cygnus.com>
5093 * tree.c (save_tree_status): Revert 10 Sep change.
5094 (restore_tree_status): Likewise. Call obstack_free with NULL
5095 before freeing the obstack proper.
5097 Sat Sep 11 23:23:46 1999 Richard Henderson <rth@cygnus.com>
5099 * cse.c (cse_main): If gc'ing, collect around cse_basic_block.
5101 * ggc-simple.c (ggc_pop_context): Fold outstanding bytes into
5102 surrounding context.
5104 Sat Sep 11 19:52:43 1999 Mark Mitchell <mark@codesourcery.com>
5106 * tree.c (type_hash_canon): Put all types in the hash-table, when
5109 Sat Sep 11 18:37:04 1999 Richard Henderson <rth@cygnus.com>
5111 * recog.h (struct recog_data, recog_data): New.
5112 (recog_foo variables): Kill.
5113 * recog.c (recog_operand, recog_operand_loc): Kill.
5114 (recog_dup_loc, recog_dup_num, recog_n_operands): Kill.
5115 (recog_n_dups, recog_n_alternatives, recog_operand_mode): Kill.
5116 (recog_constraints, recog_op_type, recog_operand_address_p): Kill.
5117 (recog_data): Define.
5118 (extract_insn): Update all recog_foo references to use recog_data.
5119 (preprocess_constraints, constrain_operands): Likewise.
5120 * final.c (final_scan_insn, cleanup_subreg_operands): Likewise.
5121 * genattrtab.c (main): Likewise.
5122 * genextract.c (main): Likewise.
5123 * genoutput.c: Likewise.
5124 * genrecog.c (write_subroutine, main): Likewise.
5125 * local-alloc.c (block_alloc): Likewise.
5126 * reg-stack.c (record_asm_reg_life, subst_asm_stack_regs): Likewise.
5127 * regclass.c (scan_one_insn, record_reg_classes): Likewise.
5128 * regmove.c (regmove_optimize, find_matches, fixup_match_1): Likewise.
5129 * reload.c (find_reloads, find_reloads_toplev): Likewise.
5130 * reload1.c (maybe_fix_stack_asms, eliminate_regs_in_insn): Likewise.
5131 (reload_cse_simplify_operands): Likewise.
5133 * arc/arc.c (arc_final_prescan_insn): Likewise.
5134 * arm/arm.c (note_invalid_constants, arm_final_prescan_insn): Likewise.
5135 * h8300/h8300.c (notice_update_cc): Likewise.
5136 * i386/i386.c (ix86_attr_length_default, ix86_agi_dependant): Likewise.
5137 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
5138 * mn10200/mn10200.c (notice_update_cc): Likewise.
5139 * mn10300/mn10300.c (notice_update_cc): Likewise.
5140 * romp/romp.c (update_cc): Likewise.
5141 * sparc/sparc.c (check_pic): Likewise.
5142 * v850/v850.c (notice_update_cc): Likewise.
5144 * genemit.c (main): Don't declare recog_operand.
5146 Sat Sep 11 12:41:55 1999 Alex Samuel <samuel@codesourcery.com>
5148 * ggc.h (rtvec_def): Forward declare.
5149 (tree_node): Likewise.
5152 (ggc_set_mark_rtx): Add prototype.
5153 (ggc_set_mark_rtvec): Likewise.
5154 (ggc_set_mark_tree): Likewise.
5155 * ggc-simple.c (ggc_root): Don't define.
5156 (roots): Don't declare.
5157 (ggc_mark_rtx): Remove.
5158 (ggc_mark_rtvec): Likewise.
5159 (ggc_mark_tree): Likewise.
5160 (ggc_mark_varray): Likewise.
5161 (ggc_mark_tree_hash_table_entry): Likewise.
5162 (ggc_mark_tree_hash_table): Likewise.
5163 (ggc_set_mart_rtx): New function.
5164 (ggc_set_mark_rtvec): Likewise.
5165 (ggc_set_mark_tree): Likewise.
5166 (ggc_add_root): Remove.
5167 (ggc_add_rtx_root): Likewise.
5168 (ggc_remove_tree_root): Likewise.
5169 (ggc_add_string_root): Likewise.
5170 (ggc_add_tree_varray_root): Likewise.
5171 (ggc_add_tree_hash_table_root): Likewise.
5172 (ggc_del_root): Likewise.
5173 (ggc_mark_rtx_ptr): Likewise.
5174 (ggc_mark_tree_ptr): Likewise.
5175 (ggc_mark_string_ptr): Likewise.
5176 (ggc_mark_tree_varray_ptr): Likewise.
5177 (ggc_mark_tree_hash_table_ptr): Likewise.
5178 * ggc-common.c: New file.
5179 * Makefile.in (OBJS): Add ggc-common.o.
5180 (ggc-common.o): List dependencies.
5182 1999-09-10 22:37 -0700 Zack Weinberg <zack@bitmover.com>
5184 * cppalloc.c (xstrdup): Use memcpy.
5185 * cpperror.c (cpp_print_containing_files): Don't use
5187 * cpplib.c (conditional_skip): Set temp->lineno.
5188 (do_endif): Make error message less obscure.
5189 (if_directive_name): New function.
5190 (cpp_get_token [case EOF]): Unwind the if stack and generate
5191 error messages for each unterminated conditional in this file.
5192 (parse_string): Do not behave differently if -traditional.
5194 Fri Sep 10 14:04:07 1999 Richard Henderson <rth@cygnus.com>
5196 * builtins.c (expand_builtin_va_arg): Cope with an array-type
5197 va_list decomposing to pointer-type.
5198 * rs6000.c (rs6000_va_start) Unwrap the ARRAY_TYPE to get at fields.
5199 (rs6000_va_arg): Likewise.
5201 Fri Sep 10 13:21:21 1999 Jim Wilson <wilson@cygnus.com>
5203 * except.c (start_dynamic_handler): Compute size using
5204 STACK_SAVEAREA_MODE.
5206 Fri Sep 10 16:01:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5208 * protoize.c: Remove various __STDC__ and POSIX hacks. Don't
5209 include directory headers. Don't define strrchr. Don't provide
5210 my_* replacement functions. Prefer PTR over `pointer_type'.
5211 Don't prototype system functions. Don't redefine getopt.
5213 (shortpath, fancy_abort, notice, savestring, dupnstr, substr,
5214 safe_read, safe_write, save_pointers, restore_pointers,
5215 is_id_char, in_system_include_dir, directory_specified_p,
5216 file_excluded_p, unexpand_if_needed, abspath, check_aux_info,
5217 find_corresponding_lparen, referenced_file_is_newer,
5218 save_def_or_dec, munge_compile_params, gen_aux_info_file,
5219 process_aux_info_file, identify_lineno, check_source,
5220 seek_to_line, forward_to_next_token_char, output_bytes,
5221 output_string, output_up_to, other_variable_style_function,
5222 find_rightmost_formals_list, do_cleaning, careful_find_l_paren,
5223 do_processing, is_syscalls_file, rename_c_file, find_extern_def,
5224 find_static_definition, connect_defs_and_decs, add_local_decl,
5225 add_global_decls, needs_to_be_converted, visit_each_hash_node,
5226 add_symbol, lookup, free_def_dec, find_file, reverse_def_dec_list,
5227 edit_fn_declaration, edit_formals_lists, edit_fn_definition,
5228 scan_for_missed_items, edit_file, string_list_cons): Add static
5230 (standard_exec_prefix, target_machine, target_version,
5231 default_syscalls_dir, string_list, string_list_cons, find_file,
5232 do_cleaning): Constify a char*.
5233 (safe_read, safe_write): Use PTR, not a char*.
5234 (is_id_char): Take an int, not a char.
5235 (main): Add prototype. Call return, not exit.
5237 Fri Sep 10 16:48:26 1999 Andrew Haley <aph@cygnus.com>
5239 * tree.c (type_hash_lookup): Check for equal TYPE_ALIGN fields
5240 when comparing types.
5242 Fri Sep 10 08:43:32 1999 Richard Henderson <rth@cygnus.com>
5244 * loop.c (basic_induction_var): Typo NULL_RTX -> NULL.
5245 (strength_reduce): Release the varrays from the no-bivs early exit.
5247 * reload1.c (order_regs_for_reload): Init hard_reg_n_uses before
5248 the loop over the registers.
5250 * tree.c (save_tree_status): Set maybepermanent_firstobj NULL
5252 (restore_tree_status): Check that instead when freeing the obstack.
5254 Wed Sep 8 16:12:04 1999 Andrew Haley <aph@cygnus.com>
5256 * alias.c (rtx_equal_for_memref_p): Allow CONST_DOUBLEs to be used
5259 Fri Sep 10 11:58:55 1999 Bernd Schmidt <bernds@cygnus.co.uk>
5261 * i386.md (ashlqi3): For NON_QI_REG_P regs, use sall. Fix some
5262 operand size modifiers.
5264 Fri Sep 10 10:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
5266 * c-common.c (c_common_nodes_and_builtins): Don't build
5268 * c-common.h (enum c_tree_index and related accesor macros): Remove
5269 everything now declared in tree.h.
5270 * c-decl.c (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
5271 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, WCHAR_UNSIGNED, FLOAT_TYPE_SIZE,
5272 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Don't provide defaults.
5273 (error_mark_node, void_type_node, char_type_node, integer_type_node,
5274 unsigned_type_node, ptr_type_node, va_list_type_node,
5275 integer_zero_node, null_pointer_node, integer_one_node): Delete.
5276 (init_decl_processing): Call build_common_tree_nodes and
5277 build_common_tree_nodes_2 instead of building their nodes here.
5278 Don't add roots for these nodes.
5279 * stor-layout.c (size_zero_node, size_one_node): Delete.
5280 (set_sizetype): Make a new node for bitsizetype each time.
5281 * tree.c (global_trees): New variable.
5282 (init_obstacks): Add a gc root for it.
5283 (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
5284 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, FLOAT_TYPE_SIZE,
5285 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Provide defaults.
5286 (build_common_tree_nodes): New function.
5287 (fix_sizetype): New function.
5288 (build_common_tree_nodes_2): New function.
5289 * tree.h (enum tree_index): New.
5290 (global_trees): Declare.
5291 Add accessor macros for all nodes now moved to global_trees.
5292 Delete their declarations.
5294 Thu Sep 9 20:15:46 1999 Richard Henderson <rth@cygnus.com>
5296 * c-decl.c (finish_function): When processing a nested function,
5297 push and pop GC context around rest_of_compilation.
5299 Thu Sep 9 16:42:06 1999 Richard Henderson <rth@cygnus.com>
5301 * i386.c (override_options): Remove ppro, pentium2, and p2 as aliases.
5302 Default ix86_arch to PROCESSOR_I386.
5303 * i386.h (CC1_CPU_SPEC): Don't add -march=foo. Remove -mno-foo.
5304 (CPP_486_SPEC, CPP_586_SPEC, CPP_686_SPEC): Delete.
5305 (CPP_CPU_DEFAULT_SPEC): Define to __tune_foo__.
5306 (CC1_CPU_SPEC): Make -march=foo define __foo__, and provide
5307 __tune_foo__ if no -mcpu. Make -mcpu=bar define __tune_bar__.
5308 (EXTRA_SPECS): Remove deleted specs.
5310 Thu Sep 9 16:03:06 1999 Richard Henderson <rth@cygnus.com>
5312 * function.c (assign_stack_local_1): Allocate from
5313 function->x_frame_offset, not frame_offset.
5315 Thu Sep 9 14:36:31 1999 Mark Mitchell <mark@codesourcery.com>
5317 * ggc.h (lang_cleanup_tree): Remove.
5318 * gcc-simple.c (ggc_free_tree): Don't call lang_cleanup_tree.
5319 * ggc-callbacks.c (lang_cleanup_tree): Remove.
5321 * c-decl.c (finish_struct): Use ggc_alloc to allocate
5322 TYPE_LANG_SPECIFIC when garbage collecting.
5323 (lang_mark_tree): Mark TYPE_LANG_SPECIFIC.
5324 (lang_cleanup_tree): Remove.
5326 Thu Sep 9 14:23:02 1999 Jason Merrill <jason@yorick.cygnus.com>
5328 * defaults.h (EH_FRAME_SECTION, EH_FRAME_SECTION_ASM_OP): Define here.
5329 * crtstuff.c: Not here.
5330 * dwarf2out.c: Or here.
5331 * libgcc2.c (__do_global_ctors, __do_global_dtors): Handle EH frame
5334 Thu Sep 9 09:40:58 1999 Mark Mitchell <mark@codesourcery.com>
5336 * function.h (free_after_compilation): Remove decl parameter.
5337 (free_varasm_status0: Likewise.
5338 (free_emit_status): Likewise.
5339 (free_stmt_status): Likewise.
5340 (free_after_compilation): Likewise.
5341 (init_lang_status): New variable.
5342 (free_lang_status): Likewise.
5343 * emit-rtl.c (free_emit_status): Make decl parameter implicit.
5344 * function.c (init_lang_status): New variable.
5345 (free_lang_status): Likewise.
5346 (push_function_context_to): Don't set function::decl here.
5347 (free_after_copmilation): Make decl parameter implicit. Call
5348 free_lang_status if defined.
5349 (prepare_function_start): Call init_lang_status if defined.
5350 (init_function_start): Set function::decl here.
5351 * profile.c (output_func_start_profiler): Don't call pushdecl
5352 until we've actually started the function.
5353 * stmt.c (free_stmt_status): Make decl parameter implicit.
5354 * toplev.c (rest_of_compilation): Don't pass decl to
5355 free_after_compilation.
5356 * varasm.c (free_varasm_status): Likewise.
5358 Thu Sep 9 17:23:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
5360 * except.c (call_get_eh_context): Add root when allocating static
5363 Thu Sep 9 15:24:59 BST 1999 Richard Earnshaw <rearnsha@arm.com>
5365 * arm.c: Include "ggc.h".
5366 (arm_add_gc_roots): New function.
5367 (arm_override_options): Call it.
5368 (aof_pic_entry): Add a GC root for aof_pic_label when it's allocated.
5370 * arm.md (define_asm_attributes): Add a pool_range attribute.
5372 Thu Sep 9 12:32:57 BST 1999 Nathan Sidwell <nathan@acm.org>
5374 * extend.texi (Volatiles): New node.
5376 Thu Sep 9 03:37:31 1999 Richard Henderson <rth@cygnus.com>
5378 * ggc-simple.c (IS_MARKED, IGNORE_MARK): New.
5379 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): New.
5380 (struct ggc_any): Replace `mark' with `magic_mark'.
5381 (ggc_alloc_string): Use memcpy, not bcopy.
5382 (ggc_alloc_any): Set magic_mark. Update bytes_alloced_since_gc.
5383 (ggc_free_{rtx,rtvec,tree,string}): Mark inline.
5384 (ggc_free_any): New.
5385 (ggc_mark_string): Use IGNORE_MARK. Calc back to struct gcc_string.
5386 (ggc_mark): Use IGNORE_MARK. Abort if magic doesn't match.
5387 (ggc_collect): Re-enable collection avoidance. Use GGC_ANY_MARK.
5388 Use IS_MARKED. Use ggc_free_any.
5390 1999-09-09 Scott Bambrough <scottb@netwinder.org>
5392 * config/arm/linux-elf.h: define NO_IMPLICIT_EXTERN_C
5394 Thu Sep 9 01:55:21 1999 Richard Henderson <rth@cygnus.com>
5396 * toplev.c (main): Always init_ggc.
5398 Wed Sep 8 23:53:22 1999 Richard Henderson <rth@cygnus.com>
5400 * except.c (find_all_handler_type_matches): Free the list if
5401 we found no matches.
5403 * combine.c (SUBST): Break out to a real function do_SUBST.
5404 (SUBST_INT): Likewise.
5405 * gcse.c (free_pre_mem): Free `temp_bitmap'.
5406 (pre_insert): Free `inserted'.
5407 * loop.c (basic_induction_var): Always set `location'.
5409 * function.c (expand_function_end): Add initial_trampoline as a root.
5410 * rtl.h (init_varasm_once): Declare.
5411 * toplev.c (compile_file): Call it.
5412 * ggc-simple.c (ggc_mark_string_ptr): New.
5413 (ggc_add_string_root): New.
5414 (ggc_collect): Disable collection avoidance temporarily.
5415 * ggc.h (ggc_add_string_root): Declare.
5416 * except.c (create_rethrow_ref): Use ggc_alloc_string.
5417 * optabs.c (init_libfuncs): Likewise.
5418 * varasm.c (named_section): Use ggc_alloc_string.
5419 (make_function_rtl): Likewise.
5420 (make_decl_rtl): Likewise.
5421 (assemble_static_space): Likewise.
5422 (assemble_trampoline_template): Likewise.
5423 (output_constant_def): Likewise.
5424 (force_const_mem): Likewise.
5425 (mark_const_hash_entry): New.
5426 (mark_pool_sym_hash_table): New.
5427 (mark_varasm_state): Use it.
5428 (init_varasm_once): New.
5430 * expr.h (init_one_libfunc): Declare.
5431 * optabs.c (init_one_libfunc): New.
5432 (init_optabs): Use it.
5433 * config/gofast.h: Likewise.
5434 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Likewise.
5435 * config/sparc/sparc.h (INIT_TARGET_OPTABS): Likewise.
5437 Thu Sep 9 13:46:06 1999 Geoffrey Keating <geoffk@cygnus.com>
5439 * Makefile.in (cppexp.o): Depend on cpphash.h.
5440 * cppexp.c (cpp_lex): Handle `defined (xxx)' for poisoned xxx.
5442 * cpphash.c (special_symbol): Handle plain `xxx' for poisoned xxx.
5443 * cpplib.c (do_define): Generalise to handle poisoned definitions,
5444 redefining poisoned identifiers, etc.
5445 (do_undef): Don't allow poisoned identifiers to be undefined.
5446 (do_pragma): Add #pragma poison.
5447 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
5449 * cccp.c: Add T_POISON node type.
5450 (special_symbol): Handle `defined(xxx)' and plain `xxx' for
5452 (do_define): Generalise to handle poisoned definitions,
5453 redefining poisoned identifiers, etc.
5454 (do_undef): Don't allow poisoned identifiers to be undefined.
5455 (do_pragma): Add #pragma poison.
5456 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
5458 * c-pragma.c (handle_pragma_token): Ignore #pragma poison.
5459 * c-pragma.h: Add ps_poison state. We now always have generic
5462 Wed Sep 8 20:30:42 1999 Mark Mitchell <mark@codesourcery.com>
5464 * ggc.h (ggc_alloc): New function.
5465 (ggc_mark): Likewise.
5466 * ggc-simple.c (ggc_any): New structure.
5467 (ggc_status): Add anys.
5468 (n_anys_collected): New variable.
5469 (ggc_alloc): Define.
5470 (ggc_mark): Likewise.
5471 (ggc_collect): Collect the anys.
5473 Wed Sep 8 20:15:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5475 * c-decl.c (mark_binding_level): Make static to match prototype.
5477 Wed Sep 8 16:41:27 1999 Richard Henderson <rth@cygnus.com>
5479 * flow.c (new_insn_dead_notes): Don't early out for preexisting regs.
5481 Wed Sep 8 16:07:52 1999 Richard Henderson <rth@cygnus.com>
5483 * gengenrtl.c (CONST_DOUBLE_FORMAT): Take the size REAL_ARITHMETIC
5484 will use into account. Expand the max width to 5.
5487 Wed Sep 8 16:01:14 1999 Richard Henderson <rth@cygnus.com>
5489 * ggc-simple.c (ggc_free_rtx): Poison the correct amount
5492 Wed Sep 8 15:23:54 1999 Richard Henderson <rth@cygnus.com>
5494 * alpha.md (call value patterns): Remove the result predicates.
5496 Wed Sep 8 13:35:38 1999 Richard Henderson <rth@cygnus.com>
5498 * Makefile.in (stmp-fixinc): Remove extraneous exit 1 from
5501 Wed Sep 8 15:32:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5503 * system.h (sbrk, malloc, calloc, realloc): Backup prototypes
5504 changed from extern char *, to extern PTR. Also fix typo in
5505 NEED_DECLARATION_REALLOC test.
5507 * mips-tdump.c (malloc, calloc, realloc): Don't prototype.
5509 Wed Sep 8 11:40:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5511 * gansidecl.h (__attribute__, ATTRIBUTE_UNUSED_LABEL,
5512 ATTRIBUTE_UNUSED, ATTRIBUTE_NORETURN, ATTRIBUTE_PRINTF,
5513 ATTRIBUTE_PRINTF_1, ATTRIBUTE_PRINTF_2, ATTRIBUTE_PRINTF_3,
5514 ATTRIBUTE_PRINTF_4, ATTRIBUTE_PRINTF_5, GENERIC_PTR): Delete.
5516 * c-decl.c (field_decl_cmp): Use PTR instead of GENERIC_PTR.
5518 * cccp.c (pcfinclude): Likewise.
5520 * global.c (allocno_compare): Likewise.
5522 * haifa-sched.c (rank_for_schedule): Likewise.
5524 * local-alloc.c (qty_sugg_compare_1, qty_compare_1): Likewise.
5526 * reload1.c (hard_reg_use_compare, reload_reg_class_lower): Likewise.
5528 * stupid.c (stupid_reg_compare): Likewise.
5530 * tree.c (_obstack_allocated_p): Likewise.
5532 * varray.h (varray_data_tag, VARRAY_GENERIC_PTR_INIT): Likewise.
5534 1999-09-08 Bruce Korb autogen@linuxbox.com
5536 * gcc/ch/Makefile.in: Give the hapless gperf user a hint about
5537 why "gperf -F" fails.
5538 * gcc/cp/Makefile.in: ditto
5539 * gcc/Makefile.in: ditto
5540 * gcc/java/Makefile.in: ditto
5542 Wed Sep 8 04:43:22 1999 Richard Henderson <rth@cygnus.com>
5544 * lists.c: Include ggc.h.
5546 (init_EXPR_INSN_LIST_cache): Install it.
5548 * ggc-simple.c (init_ggc): Absorb the old init.
5549 (ggc_push_context): Use xcalloc.
5550 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Likewise.
5551 (ggc_collect): Add [rvts] tags to the collection stats.
5553 Wed Sep 8 11:14:25 1999 Andreas Schwab <schwab@suse.de>
5555 * cccp.c (main): Fix handling of -include and -imacros options.
5557 Wed Sep 8 02:23:08 1999 Jeffrey A Law (law@cygnus.com)
5559 * cpplib.c (cpp_push_buffer): Fix order of arguments.
5561 Wed Sep 8 04:44:09 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
5563 * rtl.h (obstack_alloc_rtx): Removed, it's now static in
5566 Wed Sep 8 00:33:43 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
5568 * flow.c (insn_dead_p): Use XEXP rather than SUBREG_REG.
5569 * haifa-sched.c (sched_analyze_1): Use XEXP rather than SUBREG_REG
5570 and SET_DEST. Update comment.
5572 Wed Sep 8 18:55:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5574 * config/c4x/c4x.c: Include ggc.h.
5575 (c4x_add_gc_roots): New function.
5576 (c4x_override_options): Call c4x_add_gc_roots.
5578 Wed Sep 8 00:00:16 1999 Richard Henderson <rth@cygnus.com>
5580 * defaults.h (TARGET_ESC): Move ...
5581 * system.h: ... here, where Linas had it in the first place. Silly me.
5583 Tue Sep 7 23:46:35 1999 Linas Vepstas <linas@linas.org>
5585 * c-common.c: Use ISGRAPH, ISLOWER, toupper.
5586 * c-lex.c, cccp.c, cexp.c, cexp.y, cppexp.c, dwarf2out.c, genattr.c,
5587 genattrtab.c, genemit.c, genextract.c, genpeep.c, tree.c: Likewise.
5588 * system.h (IN_CTYPE_DOMAIN): Define to 1 if HOST_EBCDIC.
5589 * defaults.h (TARGET_ESC): Add default.
5591 Tue Sep 7 23:36:59 1999 Linas Vepstas <linas@linas.org>
5593 * configure.in: add i370-*-openedition, i370-*-mvs and
5594 i370-*-linux targets
5596 Tue Sep 7 23:31:53 1999 Mark Mitchell <mark@codesourcery.com>
5598 * dsp16xxx.c: Include ggc.h
5599 (override_options): Mark GC roots.
5600 * mn10200.c: Include ggc.h.
5601 (asm_file_start): Mark GC roots.
5602 * tahoe.c: Include ggc.h.
5603 (extensible_operand): Mark GC roots.
5605 Tue Sep 7 23:23:15 1999 Linas Vepstas <linas@linas.org>
5607 * README: Add section discussing status of ELF ABI.
5608 * i370.c: Fix misc spelling mistakes.
5609 (i370_label_scan): Updated notes, exception handling.
5610 (i370_function_prolog): Simplify ELF stack handling.
5611 * i370.h: (FIXED_REGISTERS): Free up r12 for ELF.
5612 (STACK_GROWS_DOWNWARD): ELF stack grows down.
5613 (ASM_DECLARE_FUNCTION_NAME): Fix crazy malloc size.
5614 * i370.md: (movdi): Add notes.
5615 (floatsidf2): Use stack not rtca for scratch float area.
5616 (iorsi3): Correct operand constraints.
5617 * x-oe: Restore TAROUTOPTS which are used by pax.
5619 Tue Sep 7 22:39:18 1999 Mark Mitchell <mark@codesourcery.com>
5621 * rs6000.c: Include ggc.h.
5622 (rs6000_add_gc_roots): New function.
5623 (override_options): Call it.
5625 Tue Sep 7 22:09:03 1999 Richard Henderson <rth@cygnus.com>
5627 * alpha.h (alpha_compare): New.
5628 (alpha_compare_op0, alpha_compare_op1, alpha_compare_fp_p): Remove.
5629 * alpha.c: Likewise for the definitions.
5630 (alpha_emit_conditional_branch): Update for alpha_compare.
5631 (alpha_emit_conditional_move): Likewise.
5632 * alpha.md (cmpdf, cmpdi): Likewise.
5633 (setcc patterns): Likewise. Zero alpha_compare after use.
5634 (sne): Optimize (x != 0) into (0U < x).
5636 Tue Sep 7 21:55:02 1999 Richard Henderson <rth@cygnus.com>
5638 * alpha.h (alpha_eh_epilogue_sp_ofs): Remove.
5639 (struct machine_function): Declare; add eh_epilogue_sp_ofs.
5640 (INIT_EXPANDERS): Remove.
5641 * alpha.c: Include ggc.h.
5642 (alpha_eh_epilogue_sp_ofs, alpha_return_addr_rtx): Remove.
5643 (alpha_init_machine_status, alpha_mark_machine_status): New.
5644 (override_options): Install them.
5645 (struct machine_function): Moved to alpha.h.
5646 (alpha_save_machine_status, alpha_restore_machine_status): Remove.
5647 (alpha_init_expanders): Remove.
5648 (alpha_return_addr): Adjust to use current_function->machine.
5649 (alpha_ra_ever_killed): Likewise.
5650 (alpha_expand_epilogue): Likewise.
5651 * alpha.md (eh_epilogue): Likewise.
5653 Wed Sep 8 14:34:42 1999 Ian Piumarta <piumarta@prof.inria.fr>
5654 Melissa O'Neill <oneill@cs.sfu.ca>
5655 Geoffrey Keating <geoffk@cygnus.com>
5657 * config/rs6000/rs6000.c (first_reg_to_save): Don't save fixed or
5658 call-used registers (call-saved registers must still be contiguous
5659 and end with r31, of course).
5661 Tue Sep 7 21:41:38 1999 Richard Henderson <rth@cygnus.com>
5663 * c-typeck.c (type_lists_compatible_p): Use simple_type_promotes_to.
5664 (self_promoting_type_p): Delete.
5665 (self_promoting_args_p): Move ...
5666 * c-common.c: ... here.
5667 (c_common_nodes_and_builtins): Initialize lang_type_promotes_to.
5668 (simple_type_promotes_to): New.
5669 * builtins.c (lang_type_promotes_to): New.
5670 (expand_builtin_va_arg): Use it to give diagnostic for illegal types.
5671 * c-tree.h (C_PROMOTING_INTEGER_TYPE_P): Move ...
5672 * c-common.h: ... here.
5673 (self_promoting_args_p, simple_type_promotes_to): Declare.
5674 * c-decl.c (duplicate_decls): Use simple_type_promotes_to.
5675 (grokdeclarator): Likewise.
5676 * tree.h (lang_type_promotes_to): Declare.
5678 Tue Sep 7 17:15:21 1999 Mark Mitchell <mark@codesourcery.com>
5680 Add some machine-dependent GC roots.
5681 * sparc.c: Include ggc.h.
5682 (sparc_add_gc_roots): New function.
5683 (mark_ultrasparc_pipeline_state): Likewise.
5684 (override_options): Call sparc_add_gc_roots.
5685 * pa.c: Include ggc.h.
5686 (pa_add_gc_roots): New function.
5687 (mark_deferred_plabels): Likewise.
5688 (override_options): Call pa_add_gc_roots.
5689 * mips.c: Include ggc.h.
5690 (mips_add_gc_roots): New function.
5691 (override_options): Use it.
5693 Tue Sep 7 11:39:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5695 * cpperror.c (cpp_file_line_for_message): Constify a char*.
5697 * cppexp.c (parse_number, parse_charconst, cpp_lex,
5698 cpp_parse_expr): Add static prototypes.
5699 (parse_charconst): Don't cast away const-ness.
5700 (token): Constify a char*.
5702 * cppfiles.c (file_name_list, include_hash, find_include_file,
5703 finclude, initialize_input_buffer): Constify a char*.
5704 (file_cleanup, find_position): Add static prototypes.
5706 * cpphash.c (macro_cleanup, macarg, timestamp, special_symbol,
5707 collect_expansion): Add static prototypes.
5708 (cpp_install, create_definition, monthnames): Constify a char*.
5710 * cpphash.h (cpp_install): Likewise.
5712 * cppinit.c (known_suffixes, default_include,
5713 dump_special_to_buffer, NAME, cpp_start_read, cpp_finish): Likewise.
5714 (base_name, dump_special_to_buffer, initialize_dependency_output):
5715 Add static prototypes.
5717 * cpplib.c (my_strerror): Constify a char*.
5718 (null_underflow, null_cleanup, skip_comment, copy_comment,
5719 copy_rest_of_line, handle_directive, pass_thru_directive,
5720 get_directive_token, read_line_number, cpp_print_file_and_line,
5721 v_cpp_error, v_cpp_warning, v_cpp_error_with_line,
5722 v_cpp_warning_with_line, detect_if_not_defined,
5723 consider_directive_while_skipping): Add static prototypes.
5724 (pass_thru_directive, check_macro_name, cpp_expand_to_buffer,
5725 cpp_pedwarn_with_file_and_line): Constify a char*.
5727 * cpplib.h (cpp_options, include_hash, progname, definition,
5728 cpp_pedwarn_with_file_and_line, cpp_expand_to_buffer,
5729 check_macro_name, cpp_pfatal_with_name, cpp_file_line_for_message,
5730 find_include_file, deps_output, include_hash): Constify a char*.
5732 * cppmain.c (progname): Constify.
5733 (main): Add prototype. Use return, not exit.
5735 * fix-header.c (fatal, add_symbols, lookup_std_proto, write_lbrac,
5736 recognized_macro, check_macro_names, read_scan_file, write_rbrac,
5737 inf_skip_spaces, inf_read_upto, inf_scan_ident, inf_scan_ident,
5738 check_protection): Add static prototype.
5740 (progname, recognized_macrom, recognized_extern): Constify a char*.
5741 (main): Add prototype.
5743 * gen-protos.c (progname): Constify a char*.
5745 Tue Sep 7 00:47:52 1999 Mark Mitchell <mark@codesourcery.com>
5747 * emit-rtl.c (free_emit_status): Take decl as a parameter.
5748 (init_emit_once): Add more GC roots.
5749 * except.c (mark_func_eh_entry): New function.
5750 (mark_eh_node): Mark false_label and rethrow_label.
5751 (init_eh): Add more GC roots.
5752 * function.c (free_after_compilation): Take decl as a paramter.
5753 Call free_stmt_status.
5754 (mark_function_state): Don't assume x_parm_reg_stack_loc is
5756 * function.h (free_after_compilation): Change prototype.
5757 (free_varasm_status): Likewise.
5758 (free_emit_status): Likewise.
5759 (free_stmt_status): New function.
5760 * ggc-simple.c (rtx, vecs, trees, strings, bytes_alloced_since_gc):
5761 Remove, replacing with ...
5762 (ggc_status): New structure.
5763 (ggc_chain): New variable.
5765 (ggc_push_context): New function.
5766 (ggc_pop_context): Likewise.
5767 (ggc_alloc_rtx): Adjust for use of ggc_chain.
5768 (ggc_alloc_rtvec): Likewise.
5769 (ggc_alloc_tree): Likewise.
5770 (ggc_alloc_string): Likewise.
5771 (ggc_mark_rtx): Mark NOTE_SOURCE_FILE and NOTE_RANGE_INFO.
5772 (ggc_mark_tree): Give language-dependent code a chance to mark
5774 (ggc_mark_tree_varray): Handle empty arrays.
5775 (ggc_collect): Adjust for use of ggc_chain. Clear
5776 bytes_alloced_since_last_gc.
5777 * ggc.h (ggc_pop_context): New function.
5778 (ggc_push_context): Likewise.
5779 * print-tree.c (print_node): Don't print obstacks when GC'ing.
5780 * stmt.c (free_stmt_status): New function.
5781 (init_stmt_for_function): Clear last_expr_value.
5782 * toplev.c (rest_of_compilation): Always call free_after_compilation.
5783 Conditionalize call to ggc_collect.
5784 (main): Call init_ggc.
5785 * tree.c (push_obstacks): Do the push, even when GC'ing.
5786 (push_obstacks_nochange): Likewise.
5787 (pop_obstacks): Liekwise.
5788 * varasm.c (free_varasm_status): Take decl as a parameter.
5790 Tue Sep 7 08:15:49 1999 Gavin Romig-Koch <gavin@cygnus.com>
5792 * config/mips/mips.h (MULTILIB_ENDIAN_DEFAULT) : New macro.
5793 (MULTILIB_ENDIAN_DEFAULT) : Use the new macro.
5794 * config/mips/elf64.h (MULTILIB_DEFAULTS) : Use the new macro.
5795 * config/mips/r3900.h (MULTILIB_DEFAULTS) : Use the new macro.
5797 Tue Sep 7 03:42:45 1999 Mark Klein (mklein@dis.com)
5799 * pa/x-pa-mpeix: New file for the MPE port.
5801 * pa/quadlib.asm: New file for long double support.
5803 * configure.in: Add hppa1.0-*-mpeix for MPE port.
5804 * configure: Rebuilt.
5806 Tue Sep 7 10:08:40 1999 Andreas Schwab <schwab@suse.de>
5808 * final.c (shorten_branches): Fix last change.
5810 Tue Sep 7 00:30:32 1999 Jeffrey A Law (law@cygnus.com)
5812 * pa.h (ASM_OUTPUT_DOUBLE_INT): Delete.
5814 Mon Sep 6 22:44:47 1999 Jeffrey A Law (law@cygnus.com)
5816 * Merge from gcc2 snapshot Jan 9, 1999. See FSFChangeLog for
5819 Mon Sep 6 22:31:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5821 * c-aux-info.c (concat): Don't define.
5823 * cccp.c (my_strerror): Likewise. All callers changed to use
5825 (do_include): Call xstrdup, not xmalloc/strcpy.
5826 (grow_outbuf): Don't check if xrealloc returns NULL, it can't.
5827 (xmalloc, xrealloc, xcalloc, xstrdup): Don't define.
5829 * collect2.c (my_strsignal): Likewise. All callers changed to use
5831 (locatelib): Call xstrdup, not xmalloc/strcpy.
5833 * 1750a.h (ASM_OUTPUT_INTERNAL_LABEL): Call xmalloc, not malloc.
5835 * dsp16xx.c (override_options): Call xstrdup, not xmalloc/strcpy.
5837 * i370.h (ASM_DECLARE_FUNCTION_NAME): Call xmalloc, not malloc.
5839 * mips.c (build_mips16_call_stub): Call xstrdup, not xmalloc/strcpy.
5841 * cppinit.c (cpp_options_init): Call xcalloc, not xmalloc/bzero.
5843 * dwarfout.c (dwarfout_init): Call concat, not xmalloc/strcpy/...
5845 * except.c (new_eh_region_entry): Call xmalloc/xrealloc, not
5847 (find_all_handler_type_matches): Likewise. Don't check return
5849 (get_new_handler, init_insn_eh_region, process_nestinfo): Call
5850 xmalloc, not malloc.
5851 (init_eh_nesting_info): Likewise. Call xcalloc, not xmalloc/bzero.
5853 * gcc.c (xstrerror, xmalloc, xrealloc): Don't define.
5854 (init_spec): Call xcalloc, not xmalloc/bzero.
5855 (set_spec): Call xstrdup, not save_string.
5856 (record_temp_file): Call xstrdup, not xmalloc/strcpy.
5857 (find_a_file): Call xstrdup, not xmalloc/strcpy.
5858 (process_command): Call xstrdup, not save_string.
5859 (main): Call xcalloc, not xmalloc/bzero.
5861 * gcov.c (xmalloc): Don't define.
5862 (create_program_flow_graph): Call xcalloc, not xmalloc/bzero.
5863 (scan_for_source_files): Call xstrdup, not xmalloc/strcpy.
5864 (output_data): Call xcalloc, not xmalloc/bzero.
5866 * haifa-sched.c (schedule_insns): Call xcalloc, not xmalloc/bzero.
5868 * mips-tdump.c (xmalloc): Don't define.
5869 (print_symbol): Call xmalloc, not malloc.
5870 (read_tfile): Call xcalloc, not calloc.
5872 * mips-tfile.c (xfree, my_strsignal, xmalloc, xcalloc, xrealloc):
5873 Don't define. All callers of xfree/my_strsignal changed to use
5874 free/strsignal instead.
5875 (allocate_cluster): Call xcalloc, not calloc.
5877 * objc/objc-act.c (lang_init): Call concat, not xmalloc/strcpy/...
5878 Fix memory leak, free allocated memory.
5880 * prefix.c (translate_name): Call xstrdup, not save_string.
5881 (update_path): Likewise.
5883 * profile.c (branch_prob): Call xstrdup, not xmalloc/strcpy.
5885 * protoize.c (xstrerror, xmalloc, xrealloc, xfree, savestring2):
5886 Don't define. Callers of xfree/savestring2 changed to use
5887 free/concat instead.
5889 * reload1.c (reload): Call xcalloc, not xmalloc/bzero.
5890 (init_elim_table): Likewise.
5892 * resource.c (init_resource_info): Likewise.
5894 * stupid.c (stupid_life_analysis): Likewise.
5896 * toplev.c (xmalloc, xcalloc, xrealloc, xstrdup): Don't define.
5897 (open_dump_file): Call concat, not xmalloc/strcpy/...
5898 (clean_dump_file): Likewise.
5899 (compile_file): Call xstrdup, not xmalloc/strcpy.
5901 Mon Sep 6 15:04:55 1999 Richard Henderson <rth@cygnus.com>
5903 * v850.h (EXPAND_BUILTIN_VA_ARG): New.
5904 * v850.c (v850_va_arg): New.
5906 Tue Sep 7 09:36:01 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5908 * haifa-sched.c: Tidy comments.
5910 Mon Sep 6 14:30:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
5912 * Makefile.in (C_AND_OBJC_OBJS): Remove ggc-callbacks.o.
5913 (c-parse.o, c-decl.o, c-lang.o, c-lex.o, c-common.o,
5914 $(out_object_file)): Depend on ggc.h.
5915 * c-common.c: Include "ggc.h".
5916 (combine_strings): If doing GC, use ggc_alloc_string.
5917 * c-decl.c: Include "ggc.h".
5918 (ggc_p): Define with value 0.
5919 (mark_binding_level): New function.
5920 (init_decl_processing): Add GC roots.
5921 (mark_c_function_context): New function.
5922 (lang_mark_false_label_stack): New function.
5923 (lang_mark_tree): New function.
5924 (lang_cleanup_tree): New function.
5925 * c-lang.c: Include "ggc.h".
5926 (lang_init): Call c_parse_init.
5927 * c-lex.c: Include "ggc.h".
5928 (check_linenum): If doing GC, don't copy filenames to permanent
5930 * c-parse.in: Include "ggc.h".
5931 (c_parse_init): New function.
5932 * c-tree.h (c_parse_init, mark_c_function_context): Declare.
5933 * objc/Make-lang.in (objc-parse.o): Depend on ggc.h.
5935 * except.c (mark_eh_state): Mark more state.
5936 * function.c (mark_function_state): Likewise.
5937 * ggc-simple.c (ggc_alloc_rtvec): Bring in sync with non-gc version.
5938 (ggc_alloc_string) [GGC_DUMP]: Fix typo.
5939 * toplev.c (mark_file_stack): New function.
5940 (compile_file): If doing GC, use ggc_alloc_string on input filename.
5941 (main): Add root for input_file_stack.
5943 * i386.c: Include "ggc.h".
5944 (ix86_mark_machine_status): New function.
5945 (override_options): Set mark_machine_status.
5947 Mon Sep 6 15:26:23 1999 Bernd Schmidt <bernds@cygnus.co.uk>
5949 * tree.c (copy_node): Copy node contents also if doing GC.
5951 Mon Sep 6 08:42:06 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
5953 * collect2.c (scan_libraries): Fix double-thinko :-).
5955 Mon Sep 6 02:42:36 1999 Jeffrey A Law (law@cygnus.com)
5957 * collect2.c (scan_libraries): Fix thinko.
5959 * cse.c (delete_trivially_dead_insns): Do not skip the last
5960 insn if it is a real insn.
5962 Sun Sep 5 18:57:42 1999 Mark Mitchell <mark@codesourcery.com>
5964 * Makefile.in (ggc-simple.o): Depend on hash.h.
5965 * ggc.h (ggc_add_tree_hash_table_root): Declare.
5966 (ggc_mark_tree_varray): Likewise.
5967 (ggc_mark_tree_hash_table): Likewise.
5968 * ggc-simple.c: Include hash.h.
5969 (ggc_mark_tree_hash_table_ptr): New function.
5970 (ggc_mark_tree_hash_table_entry): Likewise.
5971 (ggc_mark_tree_hash_table): Likewise.
5972 (ggc_add_tree_hash_table_root): Likewise.
5973 * varray.h (const_equiv_data): Use struct rtx_def *, rather than
5974 rtx, when defining fields.
5976 Sun Sep 5 18:57:42 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5978 * profile.c (output_func_start_profiler): Remove apparently
5979 nonsensical call to start_sequence.
5981 Sun Sep 5 17:34:33 1999 Richard Henderson <rth@cygnus.com>
5983 * clipper/clipper.c (clipper_va_start): Fix typos.
5985 * pyr/pyr.c (pyr_build_va_list, pyr_va_start, pyr_va_arg): New stubs.
5986 * spur/spur.c (spur_build_va_list, spur_va_start): New stubs.
5987 (spur_va_arg): New stub.
5989 * configure.in: Comment out pyramid.
5991 Sun Sep 5 19:11:01 1999 Michael Meissner <meissner@cygnus.com>
5993 * i386.h (MASK_{DEBUG_{ADDR,ARG},INTEL_SYNTAX}): Move so these
5994 don't conflict with the bits that win32, cygwin, and dgux
5997 Sun Sep 5 09:31:56 1999 Richard Henderson <rth@cygnus.com>
5998 Bernd Schmidt <bernds@cygnus.co.uk>
6000 * integrate.c (function_cannot_inline_p): Do not inline
6001 functions with forced labels.
6003 Sun Sep 5 00:35:17 1999 Richard Henderson <rth@cygnus.com>
6004 Bernd Schmidt <bernds@cygnus.co.uk>
6005 Mark Mitchell <mark@codesourcery.com>
6007 * Makefile.in (ggc-simple.o): Depend on varray.h.
6008 (rtl.o): Depend on ggc.h.
6009 (genattrtab.o): Depend on ggc.h.
6010 (print-tree.o): Likewise.
6011 (fold-const.o): Likewise.
6012 * emit-rtl.c (sequence_element_free_list): Remove, and all references.
6013 (make_insn_raw): Don't cache insns when GC'ing.
6014 (emit_insn_before): Likewise.
6015 (emit_insn_after): Likewise.
6016 (emit_insn): Likewise.
6017 (start_sequence): Use xmalloc to allocate the sequence_stack.
6018 (end_sequence): Add free to free it.
6019 (gen_sequence): Don't cache insns when GC'ing.
6020 (clear_emit_caches): Don't use sequence_element_free_list.
6021 (init_emit): Use xcalloc, not xmalloc+bzero.
6022 * fold-const.c (size_int_wide): Kill the cache, when GC'ing.
6023 * function.c (pop_function_context_from): Use free to free the
6024 fixup_var_refs_queue.
6025 (put_reg_into_stack): Allocate it with xmalloc.
6026 * genattrtab.c: Include ggc.h.
6027 (operate_exp): Don't use obstack_free when GC'ing.
6028 (simplify_cond): Likewise.
6029 (simplify_text_exp): Likewise.
6030 (optimize_attrs): Likewise.
6031 * gengenrtl.c (gendef): Use ggc_alloc_rtx to allocate RTL, when
6033 (gencode): Generate a #include for ggc.h.
6034 * ggc-callbacks.c (ggc_p): Define it to zero.
6035 * ggc-none.c (ggc_p): Likewise.
6036 * ggc-simple.c: Include varray.h.
6037 (ggc_mark_tree_varray): New function.
6038 (ggc_add_tree_varray_root): Likewise.
6039 (ggc_mark_tree_varray_ptr): Likewise.
6040 * ggc.h (ggc_p): Declare.
6041 (varray_head_tag): Likewise.
6042 (ggc_add_tree_varray_root): Declare.
6043 * print-tree.c (print_node): Don't check for TREE_PERMANENT
6044 inconsistencies when GC'ing.
6045 * rtl.c: Include ggc.h.
6046 (rtvec_alloc): Use ggc_alloc_rtvec when GC'ing.
6047 (rtx_alloc): Use ggc_alloc_rtx when GC'ing.
6048 (rtx_free): Don't call obstack_free when GC'ing.
6049 * toplev.c (rest_of_compilation): Call ggc_collect after every
6051 * tree.c (push_obstacks): Do nothing, if GC'ing.
6052 (pop_obstacks_nochange): Likewise.
6053 (pop_obstacks): Likewise.
6054 (make_node): Use ggc_alloc_tree when GC'ing.
6055 (copy_node): Likewise.
6056 (get_identifier): Use ggc_alloc_string when GC'ing.
6057 (build_string): Likewise.
6058 (make_tree_vec): Use ggc_alloc_tree when GC'ing.
6059 (tree_cons): Likewise.
6061 (type_hash_canon): Don't call obstack_free when GC'ing.
6063 Sat Sep 4 21:52:32 1999 Richard Henderson <rth@cygnus.com>
6065 * haifa-sched.c (schedule_block): Use next_nonnote_insn instead
6066 of NEXT_INSN when examining speculative insns for SCHED_GROUP_P.
6068 Sat Sep 4 20:40:19 1999 Richard Henderson <rth@cygnus.com>
6069 Bernd Schmidt <bernds@cygnus.co.uk>
6070 Mark Mitchell <mark@codesourcery.com>
6072 * Makefile.in (stor-layout.o): Depend on ggc.h.
6073 (expr.o): Depend on ggc.h.
6074 (profile.o): Depend on ggc.h.
6075 (stor-layout.o): Depend on ggc.h.
6076 * emit-rtl.c (init_emit_once): Add gc roots.
6077 * expr.c: Include ggc.h.
6078 (emit_block_move): Add gc roots.
6079 (clear_storage): Likewise.
6080 * expr.h (init_stor_layout_once): New function.
6081 * profile.c: Include ggc.h.
6082 (init_arc_profiler): profiler_label is a root.
6083 * scan.c (make_sstring_space): Trust xrealloc to function
6084 correctly with first parameter NULL.
6085 * stor-layout.c: Include ggc.h.
6086 (set_sizetype): Add gc root.
6087 (init_stor_layout_once): New function.
6088 * toplev.c (compile_file): Call it.
6090 Sat Sep 4 19:26:25 1999 Richard Henderson <rth@cygnus.com>
6091 Bernd Schmidt <bernds@cygnus.co.uk>
6092 Mark Mitchell <mark@codesourcery.com>
6094 * Makefile.in (tree.o): Depend on ggc.h.
6095 (varasm.o): Likewise.
6096 (function.o): Likewise.
6098 (except.o): Likewise.
6099 (optabs.o): Likewise.
6100 (emit-rtl.o): Likewise.
6101 * emit-rtl.c: Include ggc.h.
6102 (sequence_element_free_list): Remove, and all references.
6103 (mark_sequence): New functions.
6104 (mark_emit_state): New function.
6105 * except.c: Include ggc.h.
6106 (mark_eh_node, mark_eh_stack, mark_eh_queue): New functions.
6107 (mark_tree_label_node): New functions.
6108 (mark_eh_state): New function.
6109 * function.c: Include ggc.h.
6110 (mark_temp_slot, mark_function_chain): New functions.
6111 (mark_function_state): New function.
6112 (init_function_once): New function.
6113 * function.h (init_function_once): New function.
6114 * ggc-callbacks.c (lang_mark_false_label_stack): New function.
6115 * ggc.h (label_node): Declare.
6116 (eh_status, emit_status, stmt_status, varasm_status): Likewise.
6117 (lang_mark_false_label_stack): New function.
6118 (mark_temp_slot): Remove declaration.
6119 (mark_function_chain): Likewise.
6120 (mark_eh_state): Adjust prototype.
6121 (mark_stmt_state, mark_emit_state, mark_varasm_state, mark_optab):
6123 * optabs.c: Include ggc.h.
6124 (mark_optab): New function.
6125 (init_optabs): Add gc roots.
6126 * stmt.c: Include ggc.h.
6127 (mark_cond_nesting, mark_loop_nesting): New functions.
6128 (mark_block_nesting, mark_case_nesting, mark_goto_fixup): Likewise.
6129 (mark_stmt_state): New function.
6130 * toplev.c (compile_file): Call init_function_once.
6131 * tree.c: Include ggc.h.
6132 (type_hash): Move declaration earlier in file.
6133 (TYPE_HASH_SIZE, type_hash_table): Likewise.
6134 (init_obstacks): Add gc roots.
6135 (mark_type_hash): New function.
6136 * varasm.c: Include ggc.h.
6137 (mark_pool_constant): New function.
6138 (mark_varasm_state): New function.
6140 Sat Sep 4 22:28:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6142 * ggc-simple.c (ggc_root, ggc_collect): Wrap prototype with PROTO.
6144 Sat Sep 4 18:01:45 1999 Bernd Schmidt <bernds@cygnus.co.uk>
6146 * c-decl.c (struct language_function): Renamed from struct c_function.
6148 (c_function_chain): Delete.
6149 (push_c_function_context): New arg F. Don't warn about nested
6150 functions here. Fill LANGUAGE elt of F. Delete code to update
6151 c_function_chain. Don't call push_function_context.
6152 (pop_c_function_context): New arg F. Restore from there instead of
6153 from c_function_chain. Don't call pop_function_context. Clear out
6154 LANGUAGE field of F when done.
6155 * c-lang.c: Include "function.h"
6156 (lang_init): Initialize save_lang_status and restore_lang_status.
6157 * c-parse.in (nested_function, nested_function_notype): Warn about
6158 nested functions. Call push_function_context/pop_function_context
6159 instead of the _c_ variants.
6160 * c-tree.h (push_c_function_context, pop_c_function_context): Update
6162 * Makefile.in (c-lang.o): Update dependencies.
6164 * emit-rtl.c (init_emit): Use xmalloc to allocate regno_reg_rtx,
6165 regno_pointer_flag, regno_pointer_align.
6166 (gen_reg_rtx): Use xrealloc to enlarge them.
6167 (free_emit_status): New function.
6168 * function.c (mark_machine_status, mark_lang_status): New variables.
6169 (assign_stack_local_1): Renamed from assign_outer_stack_local. Merge
6170 in some bits from assign_stack_local. All callers changed to use new
6172 (assign_stack_local): Just call assign_stack_local_1.
6173 (free_after_compilation): New function.
6174 (put_reg_into_stack): Simplify to always call assign_stack_local_1.
6175 (trampoline_address): Likewise.
6176 (assign_parms): Use xcalloc/xrealloc to allocate parm_reg_stack_loc.
6177 (prepare_function_start): Explicitly clear some more variables.
6178 * function.h (struct function): New elt can_garbage_collect.
6179 (mark_machine_status, mark_lang_status): Declare variables.
6180 (free_after_compilation, free_emit_status, free_varasm_status,
6181 init_varasm_status): Declare functions.
6182 * toplev.c (rest_of_compilation): Call free_after_compilation when
6183 done with the current function.
6184 * varasm.c (free_varasm_status): New function.
6186 Sat Sep 4 17:15:13 1999 Richard Henderson <rth@cygnus.com>
6188 * sparc.h (EXPAND_BUILTIN_VA_START): Define.
6189 (EXPAND_BUILTIN_VA_ARG): Define.
6190 * sparc.c (sparc_va_start): New.
6191 (sparc_va_arg): New.
6193 Sun Sep 5 11:11:59 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6195 * config/c4x/c4x.h (DBR_OUTPUT_SEQEND): Use XVECEXP not XEXPs.
6197 Sun Sep 5 10:13:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6199 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Disable.
6201 Sat Sep 4 13:44:01 1999 Mark Mitchell <mark@codesourcery.com>
6203 * Makefile.in (C_AND_C_OBJS): Add gcc-callbacks.o.
6205 (ggc-callbacks.o): New target.
6206 * ggc-callbacks.c: New file.
6208 Sat Sep 4 22:53:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
6210 * expr.h: Collapse individual optab and libfunc vars to arrays.
6211 (optab_index, libfunc_index): New enumerations.
6212 (optab_table, libfunc_table): New arrays.
6213 Add accessor macros for both.
6215 * optabs.c (optab_table, libfunc_table): New.
6216 Delete declarations for individual optab and libfunc vars.
6218 Sat Sep 4 12:57:17 1999 Richard Henderson <rth@cygnus.com>
6220 * i386/sco5.h (RETURN_POPS_ARGS): Name change ix86_return_pops_args.
6222 Sat Sep 4 11:19:52 1999 Richard Henderson <rth@cygnus.com>
6224 * Makefile.in (GGC, GGC_LIB): New.
6225 (HOST_RTL): Include ggc-none.o.
6226 (ggc-simple.o): New target.
6227 (ggc-none.o): Likewise.
6228 * tree.h (tree_common): Add gc_mark.
6229 * rtl.h (struct rtx_def): Steal a bit from code to make gc_mark.
6230 (struct rtvec_def): Add gc_mark.
6231 * emit-rtl.c (global_rtl): Update static initializers to contain
6232 enough initializers.
6233 * ggc.h, ggc-none.c, ggc-simple.c: New files.
6234 * toplev.c (gc_time): New variable.
6235 (all_time): New variable.
6236 (compile_file): Print gc time.
6237 (print_time): Calculate percentage of the whole.
6239 Sat Sep 4 13:11:01 1999 Bernd Schmidt <bernds@cygnus.co.uk>
6241 Change obstack memory management and varasm constant pool handling so
6242 that nested functions are treated like any other functions.
6243 * function.c (init_machine_status): New variable.
6244 (push_function_context_to): Set contains_functions for the outer
6245 function. Don't call save_varasm_status.
6246 (pop_function_context_from): Don't call restore_varasm_status. Don't
6247 set current_function_contains_functions.
6248 (prepare_function_start): Call init_varasm_status rather than
6249 init_const_rtx_hash_table. Call (*init_machine_status) if the pointer
6251 * function.h (struct function) Add field varasm. Delete fields
6252 inline_obstacks, inl_emit, const_rtx_hash_table, first_pool,
6253 last_pool, const_rtx_sym_hash_table, pool_offset, const_double_chain.
6254 (init_machine_status): Declare.
6255 (save_varasm_status, restore_varasm_status): Delete declarations.
6256 (save_tree_status, restore_tree_status): Delete last argument.
6257 * integrate.c (initialize_for_inline): Lose arg COPY. Delete copying
6258 code. All callers changed.
6259 (copy_decl_list, copy_decl_tree, copy_decl_rtls, copy_for_inline,
6260 save_constants_in_decl_trees, restore_constants, save_constants,
6261 save_for_inline_eh_labelmap, save_for_inline_copying): Delete
6263 (inlining): New variable.
6264 (reg_map, label_map, insn_map, orig_asm_operands_vector,
6265 copy_asm_operands_vector, copy_asm_constraints_vector): Delete
6267 (save_for_inline_nocopy): Don't save constants.
6268 Don't set inl_emit field in current_function.
6269 (expand_inline_function): Use emit field, not inl_emit, of the inlined
6270 function. Set new variable inlining before
6271 calling copy_rtx_and_substitute.
6272 (copy_rtx_and_substitute): In MEM and SYMBOL_REF cases, handle
6273 constant pool references if inlining is nonzero.
6274 Delete ADDRESS and (most of the) CONST cases.
6275 (output_inline_function): Save and restore current_function/
6276 current_function_decl. Delete restore_constants code. Don't call
6277 init_const_rtx_hash_table.
6278 * output.h (init_const_rtx_hash_table): Don't declare.
6279 * rtl.h (struct function): Declare.
6280 (get_pool_constant_for_function, get_pool_mode_for_function): Declare.
6281 * toplev.c (rest_of_compilation): Don't treat nested functions or
6282 functions containing them specially. Delete all code to deal with
6283 save_for_inline_copying.
6284 * tree.c (toplev_inline_obstacks, extra_inline_obstacks,
6285 inline_obstacks): Delete variables.
6286 (save_tree_status): Lose arg CONTEXT. All callers changed.
6287 Simply allocate a new function_maybepermanent_obstack for the new
6288 function, delete all the special cases.
6289 Don't save inline_obstacks.
6290 (restore_tree_status): Lose arg CONTEXT. All callers changed.
6291 Delete special handling for function_maybepermanent_obstack; simply
6293 Don't restore inline_obstacks.
6294 (permanent_allocation): Delete code that frees inline_obstacks.
6295 (print_inline_obstack_statistics): Delete function.
6296 (dump_tree_statistics): Don't call it.
6297 * varasm.c (struct varasm_status): New.
6298 (const_rtx_hash_table, const_rtx_sym_hash_table, first_pool,
6299 last_pool, pool_offset, const_double_chain): Delete global
6300 variables, replace with accessor macros.
6301 (immed_double_const): Don't walk const_double_chain outside a
6302 function, but don't treat nested functions specially anymore.
6303 (immed_real_const_1): Likewise.
6304 (clear_const_double_mem): Don't treat nested functions specially.
6305 (init_const_rtx_hash_table): Deleted, code moved to init_varasm_status.
6306 (save_varasm_status, restore_varasm_status): Delete functions.
6307 (init_varasm_status): New function.
6308 (force_const_mem): Don't treat nested functions specially.
6309 (find_pool_constant): Accept new arg F, search for constants in
6310 that function's pool rather than the current one. All callers
6312 (get_pool_constant_for_function, get_pool_mode_for_function): New
6315 * i386.c (init_386_machine_status): New function, mostly from
6316 clear_386_stack_locals.
6317 (struct machine_functions): Rename element names to avoid name
6319 (pic_label_rtx, pic_label_name, i386_stack_locals): New accessor
6320 macros, replacing global variables.
6321 (clear_386_stack_locals, save_386_machine_status,
6322 restore_386_machine_status): Delete functions.
6323 (override_options): Initialize init_machine_status.
6324 * i386.h (INIT_EXPANDERS): Delete macro.
6325 (save_386_machine_status, restore_386_machine_status,
6326 clear_386_stack_locals): Delete declarations.
6328 Sat Sep 4 16:56:28 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6330 * config/c4x/c4x.md (rptb_init): Renamed from *rptb_init.
6331 (doloop_begin): Simplify pattern and use emit_jump_insn.
6332 (doloop_end): Simplify pattern, switch operand order,
6333 and use emit_jump_insn.
6335 Fri Sep 3 19:02:38 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6337 * function.h (struct function): Add new element LANGUAGE.
6338 (save_lang_status): Declare new variable.
6339 (restore_lang_status): Likewise.
6340 * function.c (save_lang_status): Define.
6341 (restore_lang_status): Likewise.
6342 (push_function_context_to): Call language-specific save function.
6343 (pop_function_context_from): Call language-specific restore function.
6345 Fri Sep 3 01:16:18 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
6347 * i386.md (movsf_1): Check REG_P before use of REGNO.
6348 (movdf_1): Likewise.
6349 (movxf_1): Likewise.
6350 (extendsfdf2): Likewise.
6351 (extendsfxf2): Likewise.
6352 (extenddfxf2): Likewise.
6354 Sat Sep 4 11:37:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6356 * config/c4x/c4x.c (c4x_emit_move_sequence): Do not force large
6357 constants into memory.
6358 (c4x_shiftable_constant): New function.
6359 * config/c4x/c4x.c (LEGITIMATE_CONSTANT_P): Allow any CONST_INT.
6360 (c4x_shiftable_constant): Declare.
6361 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant,
6362 ashlqi3_noclobber): Add new patterns and associated splitters.
6364 Fri Sep 3 16:22:17 1999 Richard Henderson <rth@cygnus.com>
6366 * dbxout.c (dbxout_init): Use xcalloc instead of xmalloc+bzero.
6367 * dwarf2out.c (dwarf2out_frame_init): Likewise.
6368 * final.c (shorten_branches): Likewise.
6369 * global.c (global_alloc): Likewise.
6370 * haifa-sched.c (build_control_flow): Likewise.
6371 * stmt.c (check_for_full_enumeration_handling): Likewise.
6372 (estimate_case_costs): Likewise.
6374 Fri Sep 3 15:49:56 1999 Mark Mitchell <mark@codesourcery.com>
6376 * rtl.h (RTL_CHECKC2): Fix typo in last change.
6378 Fri Sep 3 15:13:34 1999 Richard Henderson <rth@cygnus.com>
6380 * flow.c (propagate_block): Use XEXP not SET_DEST for a USE.
6381 (recompute_reg_usage): Likewise.
6382 * rtlanal.c (find_regno_fusage): Likewise.
6384 * rtl.c (rtl_check_failed_code1): New function.
6385 (rtl_check_failed_code2): New.
6386 * rtl.h (RTL_CHECK1, RTL_CHECK2, RTVEC_ELT): Parenthesize args.
6387 (RTL_CHECKC1, RTL_CHECKC2): New.
6388 (XC*): New accessor macros.
6389 (NOTE_*, LABEL_NAME, LABEL_NUSES, ADDRESSOF_REGNO): Use them.
6390 (ADDRESSOF_DECL, JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF): Likewise.
6391 (CONTAINING_INSN, REGNO, INTVAL, SUBREG_REG, SUBREG_WORD): Likewise.
6392 (ASM_OPERANDS_*, MEM_ALIAS_SET, SET_SRC, SET_DEST): Likewise.
6393 (TRAP_*, RANGE_INFO_*): Likewise.
6395 Fri Sep 3 15:10:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6397 * Makefile.in (tlink.o): Don't depend on toplev.h.
6399 * collect2.c (c_file, o_file, export_file, import_file, ldout,
6400 output_file, nm_file_name, ldd_file_name, strip_file_name,
6401 c_file_name, prefix_list, libexts, is_ctor_dtor, find_a_file,
6402 add_prefix, prefix_from_env, prefix_from_string, do_wait,
6403 fork_execute, maybe_unlink, add_to_list,
6404 extract_init_priority, write_list, dump_list,
6405 dump_prefix_list, write_list_with_asm, write_c_file,
6406 write_c_file_stat, write_c_file_glob, scan_prog_file,
6407 scan_libraries, is_in_list, resolve_lib_name, use_import_list,
6408 ignore_library, extract_string, notice, dump_file, target_machine,
6409 collect_wait, collect_execute, libname, locatelib, aix_std_libs,
6410 read_file, print_load_command): Constify a char*.
6411 (fdopen, error, fatal, fatal_perror): Don't prototype.
6412 (my_strerror): Remove. All callers use xstrerror instead.
6413 (xcalloc, xmalloc, xrealloc, xstrdup, putenv): Remove definitions.
6414 (main): Add prototype. Constify lots of char* ptrs. Change calls
6415 to xcalloc/strcpy/strcat/... to one call to concat.
6416 (main, scan_prog_file, scan_libraries): Use an intermediate
6417 `const char **' to build an argv array.
6418 (mapfile, libselect, libcompare, locatelib): Add prototypes.
6420 * collect2.h (collect_execute, collect_wait, dump_file,
6421 file_exists): Constify a char*.
6422 (ldout, c_file_name, temporary_obstack, permanent_obstack,
6423 temporary_firstobj, vflag, debug): Add extern declarations.
6424 (fancy_abort, error, notice, fatal, fatal_perror): Add prototypes.
6426 * tlink.c: Don't include toplev.h.
6427 (vflag, debug, ldout, c_file_name, temporary_obstack,
6428 permanent_obstack, temporary_firstobj): Don't declare.
6429 (tlink_execute, frob_extension, symbol_hash_lookup,
6430 file_hash_lookup, demangled_hash_lookup, tlink_init, freadsym,
6431 recompile_files, read_repo_files, demangle_new_symbols,
6432 scan_linker_output): Constify a char*.
6433 (symbol_hash_newfunc, file_hash_newfunc, demangled_hash_newfunc,
6434 do_tlink): Mark parameters with ATTRIBUTE_UNUSED.
6436 Fri Sep 3 18:09:24 1999 Andrew Haley <aph@cygnus.com>
6438 * config/m68k/m68kelf.h: Set USE_GAS; this makes gcc generate jbsr
6439 (relative) rather than jsr (absolute) subroutine call insns.
6440 * config/m68k/m68k-coff.h: Ditto.
6442 Fri Sep 3 17:24:31 1999 Richard Earnshaw <rearnsha@arm.com>
6444 * arm.c (note_invalid_constants): No need to ignore ASMs, we can
6445 now rework these too.
6446 (arm_reorg): If an insn can't reach the end of the current pool,
6447 ensure that we emit that pool before the insn.
6449 Fri Sep 3 09:14:32 1999 Marc Espie <espie@tetto.liafa.jussieu.fr>
6451 * tlink.c (scan_linker_output): Skip the initial underscore in
6452 a mangled name if appropriate.
6454 Fri Sep 3 01:28:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6456 * objc/objc-act.c (objc_tree_code_type, objc_tree_code_length,
6457 objc_tree_code_name, synth_id_with_class_suffix, warn_with_method,
6458 error_with_ivar, gen_declarator, create_builtin_decl,
6459 my_build_string, generate_descriptor_table, generate_ivars_list,
6460 generate_dispatch_table, check_protocols, TAG_GETCLASS,
6461 TAG_GETMETACLASS, TAG_MSGSEND, TAG_MSGSENDSUPER, TAG_EXECCLASS,
6462 dump_base_name, lang_decode_option, build_encode_expr,
6463 start_class, finish_class, encode_pointer, really_start_method,
6464 gen_declaration, dump_interface, handle_class_ref, handle_impent):
6466 (objc_demangle, objc_printable_name, generate_struct_by_value_array):
6467 Add static prototypes.
6468 (build_objc_string_decl, build_selector_reference_decl,
6469 encode_bitfield, build_class_reference_decl): Remove unused
6470 parameter, all callers changed.
6471 (maybe_objc_method_name): Mark with ATTRIBUTE_UNUSED.
6472 (objc_printable_name): Likewise. Change second parameter to type int.
6473 (init_objc): Use memcpy, not bcopy, to avoid casts.
6475 Thu Sep 2 21:49:52 1999 Richard Henderson <rth@cygnus.com>
6477 * reload1.c (eliminate_regs_in_insn): Avoid eliminating the
6478 reg notes on a deleted insn.
6479 * gcse.c (hash_expr_1): Use XWINT on a CONST_DOUBLE.
6481 Thu Sep 2 20:18:12 1999 Jeffrey A Law (law@cygnus.com)
6483 * i386.c (ix86_attr_length_default): Handle TYPE_FXCH.
6485 Thu Sep 2 22:00:08 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
6487 * stmt.c (expand_asm_operands): Fix index into inout_mode when
6490 Thu Sep 2 13:00:48 1999 Richard Henderson <rth@cygnus.com>
6492 * stmt.c (expand_asm_operands): Invoke MD_ASM_CLOBBERS if present.
6493 * tm.texi (MD_ASM_CLOBBERS): Document it.
6495 Thu Sep 2 10:22:40 1999 Richard Henderson <rth@cygnus.com>
6497 * dwarf2out.c (dwarf2out_line): Constify `lastfile'.
6498 * except.c (expand_rethrow): Remove unused variable.
6499 * expr.c (do_jump_by_parts_greater_rtx): Likewise.
6500 * flow.c (replace_insns): Likewise.
6501 (create_edge_list, verify_edge_list): Likewise.
6502 * gcse.c (cprop_cc0_jump): Protect declaration with HAVE_cc0.
6504 * genemit.c (gen_expand): Only emit `operands[N]' decl if there
6505 is special code to run.
6506 (main): Don't define operands to emit_operand.
6507 * genrecog.c (main): Don't emit an empty peephole2_insn function.
6509 * rtl.h (NOTE_BASIC_BLOCK): Use X0BBDEF.
6511 * alpha/alpha.h (normal_memory_operand): Declare.
6512 (reg_no_subreg_operand): Declare.
6513 * alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use HOST_WIDE_INT_PRINT_DEC.
6515 Thu Sep 2 10:19:20 1999 Richard Henderson <rth@cygnus.com>
6517 * c-parse.in (compstmt_primary_start): New, broken out of first
6518 part of compstmt handling in primary.
6519 (primary): Use it. Add an error clause.
6520 (compstmt_nostart): Renamed from compstmt; remove all
6521 initial invocations of compstmt_start.
6524 Thu Sep 2 01:35:50 1999 Marc Espie <espie@cvs.openbsd.org>
6526 * protoize.c (gen_aux_info_file): Let pexecute call choose_temp_base if
6529 Thu Sep 2 00:43:59 1999 Finn Hakansson <finn@axis.com>
6531 * combine.c (simplify_shift_const): Remove extra semicolon.
6532 * dwarf2out.c (remove_AT): Likewise.
6533 * expmed.c (expand_mult): Likewise.
6534 * gcov.c (create_program_flow_graph): Likewise.
6535 * reorg.c (mostly_true_jump): Likewise.
6537 Thu Sep 2 00:06:43 1999 Jeffrey A Law (law@cygnus.com)
6539 * fold-const.c (fold_range_test): Do not try to fold the range
6540 test if the rhs or lhs has side effects.
6542 * combine.c (simplify_rtx): Recognize another case of a synthesized
6545 * varasm.c (mark_constant_pool): When marking indirect references,
6546 only look at SYMBOL_REFs.
6548 * except.c (expand_fixup_region_end): Do not peek at
6549 INSN_UID (node->entry->outer_context) for flag_new_exceptions.
6551 Thu Sep 2 13:52:53 1999 Geoffrey Keating <geoffk@cygnus.com>
6553 * flags.h: New variables align_loops, align_loops_log,
6554 align_jumps, align_jumps_log, align_labels, align_labels_log,
6555 align_functions, align_functions_log.
6556 * toplev.c: Define them.
6557 (f_options): Handle -falign-* when they have no argument.
6558 (main): Add logic to set variables for -falign-functions,
6559 -falign-jumps, -falign-labels, -falign-loops.
6560 Make it -fsched-verbose=<n> and -finline-limit=<n>.
6561 (display_help): Change help to match options.
6562 * final.c (LABEL_ALIGN): Default to align_labels_log.
6563 (LABEL_ALIGN_MAX_SKIP): Default to align_labels-1.
6564 (LOOP_ALIGN): Default to align_loops_log.
6565 (LOOP_ALIGN_MAX_SKIP): Default to align_loops-1.
6566 (LABEL_ALIGN_AFTER_BARRIER): Default to align_jumps_log.
6567 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to align_jumps-1.
6568 * varasm.c (assemble_start_function): Handle align_functions.
6570 * config/sparc/sparc.h: Don't declare sparc_align_*.
6571 Don't provide LABEL_ALIGN_AFTER_BARRIER or LOOP_ALIGN.
6572 (DEFAULT_SPARC_ALIGN_FUNCS): Delete; take functionality into
6574 (FUNCTION_BOUNDARY): Fix incorrect use---it's not just a request,
6576 * config/sparc/sparc.c: Delete sparc_align_loops,
6577 sparc_align_jumps, sparc_align_funcs and the corresponding string
6579 (sparc_override_options): Default align_functions on ultrasparc.
6580 Delete -malign-* handling.
6582 * config/mips/mips.c (override_options): On 64-bit targets,
6583 try to align code to 64-bit boundaries.
6584 (print_operand): New substitution, %~,
6585 which aligns labels to align_labels_log.
6586 * config/mips/mips.md (div_trap_normal): Use %~.
6587 (div_trap_mips16): Likewise.
6592 (ashldi3_internal): Likewise.
6593 (ashrdi3_internal): Likewise.
6594 (lshrdi3_internal): Likewise.
6595 (casesi_internal): Likewise.
6597 Wed Sep 1 21:13:48 1999 Richard Henderson <rth@cygnus.com>
6599 Merge new ia32 backend from the branch!
6601 * i386.h, i386.c, i386.md, reg-stack.c, i386/unix.h: Many changes.
6602 See ChangeLog.P2 on new_ia32_branch for details.
6604 * rtl.h (stack_regs_mentioned_p): Delete prototype.
6605 * i386/cygwin.h (SUBTARGET_PROLOGUE): No more do_rtl.
6606 * i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
6607 * i386/gas.h (ASM_FILE_START): Define.
6608 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Update
6609 for name change of ix86_valid_decl_attribute_p.
6610 (i386_pe_valid_type_attribute_p): Similarly.
6612 Wed Sep 1 18:21:23 1999 Richard Henderson <rth@cygnus.com>
6614 * emit-rtl.c (init_emit_once): Don't use GET_MODE_WIDER_MODE
6615 to step through CC modes.
6617 Wed Sep 1 20:18:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
6619 * regmove.c (fixup_match_1): Don't move INSN in front of P if
6620 it would end up in the shadow of a live flags regsiter.
6622 Wed Sep 1 11:32:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
6624 * reload1.c: Fix many indentation problems.
6625 * reload.c: Likewise.
6627 Tue Aug 31 22:08:03 1999 Marc Espie <espie@cvs.openbsd.org>
6629 * alias.c (non_local_reference_p): Constify fmt.
6631 Tue Aug 31 23:19:35 1999 Michael Meissner <meissner@cygnus.com>
6633 * config/i386/xm-cygwin.h (HAVE_DOS_BASED_FILE_SYSTEM): Define.
6635 Tue Aug 31 16:44:52 1999 Jeffrey A Law (law@cygnus.com)
6637 * cse.c (delete_trivially_dead_insns): Do not delete stores to
6638 the internal_arg_pointer.
6640 Tue Aug 31 13:35:42 1999 Richard Henderson <rth@cygnus.com>
6642 Merge peephole2 from new_ia32_branch:
6643 * Makefile.in (STAGESTUFF): Add *.peephole2.
6644 (mostlyclean): Likewise.
6645 (recog.o): Depend on resource.h.
6647 * final.c (peephole): Conditionalize decl on HAVE_peephole.
6648 (final_scan_insn): Likewise for the invocation of peephole.
6649 * genconfig.c (main): Look for peephole and peephole2 patterns.
6650 Emit HAVE_peephole* accordingly.
6651 * genpeep.c (main): Conditionalize entire output on HAVE_peephole.
6652 * flags.h (flag_peephole2): Declare.
6653 * toplev.c: New pass peephole2. New flag -fpeephole2.
6655 * genattrtab.c (main): Count DEFINE_PEEPHOLE2.
6656 * gencodes.c (main): Likewise.
6657 * genextract.c (main): Likewise.
6658 * genoutput.c (main): Likewise.
6659 * genemit.c (max_operand_1): Look for the max scratch operand.
6660 (gen_rtx_scratch): New.
6661 (gen_exp): Use it, and pass on new arg subroutine_type.
6662 (gen_expand): Take max scratch into account.
6663 (gen_split): Emit peephole2 functions.
6664 (output_peephole2_scratch): New.
6665 (main): Include hard-reg-set.h and resource.h. Handle peephole2.
6666 * genrecog.c (routine_type): Add PEEPHOLE2.
6668 (make_insn_sequence): Match outer parallel for peep2. Discard
6669 top level scratches and dups.
6670 (add_to_sequence): New args insn_type and top. Update all callers.
6671 Handle toplevel peep2 matching insns.
6672 (write_subroutine): Handle peep2.
6673 (write_tree_1): Likewise.
6674 (write_tree): Likewise.
6676 (change_state): New arg afterward. Update all callers.
6677 Handle matching separate insns.
6678 * recog.c (recog_next_insn): New.
6679 (peephole2_optimize): New.
6680 * rtl.def (DEFINE_PEEPHOLE2): New.
6681 * resource.c (find_free_register): New argument last_insn. Use it
6682 to find a register available through the entire span.
6683 * resource.h (find_free_register): Update prototype.
6685 Tue Aug 31 11:51:06 1999 Jim Kingdon <http://developer.redhat.com>
6687 * i386.c (output_strlen_unroll): Don't write xops[7]
6688 label if it wasn't set.
6690 1999-08-31 12:44 -0700 Zack Weinberg <zack@bitmover.com>
6692 * cpplib.c (struct directive): Const-ify name pointer and
6693 function pointer prototype.
6694 (validate_else, do_define, do_line, do_include, do_undef,
6695 do_error, do_pragma, do_ident, do_if, do_xifdef, do_else,
6696 do_elif, do_endif, do_sccs, do_assert, do_unassert,
6697 do_warning): Const-ify second arg.
6698 (directive_table): Mark const. Reorder entries by frequency
6699 of usage, record statistics.
6701 1999-08-31 12:20 -0700 Zack Weinberg <zack@bitmover.com>
6703 * rtl.h (RTL_CHECK1, RTL_CHECK2): New macros which type- and
6704 bounds- check RTL accesses if --enable-checking.
6705 (RTVEC_ELT): Bounds check if --enable-checking.
6706 (XWINT, XINT, XSTR, XEXP, XVEC, XMODE, XBITMAP, XTREE,
6707 XBBDEF): Use RTL_CHECK1/RTL_CHECK2 as appropriate.
6708 (XVECEXP, XVECLEN): Define in terms of XVEC, RTVEC_ELT, and
6710 (X0WINT, X0INT, X0STR, X0EXP, X0VEC, X0MODE, X0BITMAP, X0TREE,
6711 X0BBDEF, X0ADVFLAGS): New macros for accessing '0' slots of RTXes.
6713 (ADDR_DIFF_VEC_FLAGS): Use X0ADVFLAGS.
6714 (NOTE_SOURCE_FILE): Use X0STR.
6715 (NOTE_BLOCK_NUMBER, NOTE_EH_HANDLER, LABEL_NUSES,
6716 MEM_ALIAS_SET): Use X0INT.
6717 (NOTE_RANGE_INFO, NOTE_LIVE_INFO, NOTE_BASIC_BLOCK,
6718 JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF, CONTAINING_INSN):
6720 * real.h (CONST_DOUBLE_CHAIN): Use X0EXP.
6721 * rtl.c (copy_rtx, copy_most_rtx): Copy '0' slots with X0WINT.
6722 (rtl_check_failed_bounds, rtl_check_failed_type1,
6723 rtl_check_failed_type2, rtvec_check_failed_bounds): New
6725 (fancy_abort): Fix comment.
6727 * cse.c (canon_hash): Read CONST_DOUBLE data slots with XWINT.
6728 (cse_insn): Decrement LABEL_NUSES for jump target before
6730 * emit-rtl.c (gen_rtx_CONST_DOUBLE): Use X0EXP for slot 1.
6731 * final.c (alter_subreg): Compute regno before changing x to
6732 REG; set REGNO(x) after changing it.
6733 * flow.c (count_basic_blocks): Use XWINT to inspect EH_REGION
6734 notes containing CONST_INTs.
6735 (delete_eh_regions): Use NOTE_EH_HANDLER.
6736 * function.c (put_reg_into_stack): Make reg a MEM before
6738 (fixup_var_refs_insns): Save REG_NOTES (insn) in case we
6740 (gen_mem_addressof): Make reg a MEM before initializing it.
6741 * integrate.c (copy_rtx_and_substitute): Copy '0' slots with
6743 * local-alloc.c (update_equiv_regs): Zap REG_NOTES before
6744 deleting an insn, not after.
6745 (block_alloc): Only look at PATTERN(insn) if we have to, and
6746 only if it's format class 'i'.
6747 * loop.c (check_dbra_loop): Check bl->biv->add_val is a
6748 CONST_INT before using its INTVAL.
6749 * print-rtl.c (print_rtx): Use X0STR.
6750 * regmove.c (fixup_match_1): Don't look at PATTERN of
6751 non-class-'i' insn chain elements.
6752 * reload.c (loc_mentioned_in_p): Take address of
6753 in->fld[1].rtx directly.
6754 * reload1.c (reload): Change reg to a MEM before initializing
6756 * varasm.c (mark_constant_pool): Skip CONST_DOUBLES, which
6758 * config/i386/i386.md (decrement_and_branch_if_zero): Fix typo.
6760 Fri Aug 20 13:43:41 1999 Andrew Haley <aph@cygnus.com>
6762 * config/mips/mips.c (machine_dependent_reorg): Force a
6763 barrier to output the local constant pool if a barrier hasn't
6764 been found at a natural point in the instruction stream.
6766 Mon Aug 30 22:04:36 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6768 * c-parse.in (language_string): Constify.
6770 * dwarf2out.c (language_string): Remove declaration.
6772 * dwarfout.c (language_string): Likewise.
6774 * toplev.c (language_string, init_parse, finish_parse): Likewise.
6776 * tree.h (language_string, init_parse, finish_parse): Declare.
6778 * i386/sun386.h (language_string): Remove declaration.
6780 * mips.h (language_string): Likewise.
6782 * nextstep.h (language_string): Likewise.
6784 * nextstep21.h (language_string): Likewise.
6786 * rs6000.c (language_string): Likewise.
6788 Mon Aug 30 20:56:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6790 * Makefile.in (OBJS, PROTO_OBJS): Remove getpwd.o.
6791 (getpwd.o): Remove target.
6793 * getpwd.c: Delete file. Its in libiberty now.
6795 * dbxout.c (getpwd): Don't prototype.
6796 * dwarf2out.c (getpwd): Likewise
6797 * dwarfout.c (getpwd): Likewise
6798 * final.c (getpwd): Likewise.
6799 * protoize.c (getpwd): Likewise.
6801 Mon Aug 30 20:21:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6803 * cse.c: (fold_rtx): Cast to HOST_WIDE_INT in left shift.
6805 Mon Aug 30 16:07:49 1999 Richard Henderson <rth@cygnus.com>
6807 * flow.c (new_insn_dead_notes): Use sets_reg_or_subreg not
6810 Mon Aug 30 12:23:53 1999 Jim Wilson <wilson@cygnus.com>
6812 * fixinc/Makefile.in (subdir): New.
6813 (fixincl.x, inclhack.sh, fixincl.sh): Use cp instead of $(CP).
6816 Mon Aug 30 01:02:09 1999 Jeffrey A Law (law@cygnus.com)
6818 * emit-rtl.c (copy_rtx_if_shared): A MEM which references
6819 virtual_stack_vars_rtx or virtual_incoming_args_rtx can not
6822 * invoke.texi: Fix typo.
6824 * dwarf2out.c (mem_loc_descriptor): New argument MODE. All callers
6825 changed. Handle autoincrement addressing modes.
6827 * integrate.c (copy_rtx_and_substitute): Handle internal_arg_pointer
6828 just like we would the virtual incoming args register when
6831 Sun Aug 29 23:17:54 1999 David Edelsohn <edelsohn@gnu.org>
6833 * rs6000.h (ASM_FILE_START): Specify complete filename, including
6834 path, in .file directive.
6836 Sun Aug 29 05:06:43 1999 Russ Allbery <rra@stanford.edu>
6838 * gcc.texi (External Bugs): Remove obsolete note about Perl on
6841 1999-08-29 08:38 -0700 Zack Weinberg <zack@bitmover.com>
6843 * stdbool.h: Make the typedef name _Bool, with bool a #defined
6846 Sun Aug 29 09:36:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6848 * tree.c (tree_code_name): Constify a char*.
6850 * tree.h (tree_code_name, decl_printable_name): Likewise.
6852 * function.h (struct function): Likewise.
6854 * toplev.c (decl_name, decl_printable_name): Likewise.
6856 * vax/vms.h (MAYBE_VMS_FUNCTION_PROLOGUE): Likewise.
6858 * objc/objc-act.c (decl_printable_name): Remove redundant prototype.
6859 (init_objc): Remove function pointer cast.
6861 Sun Aug 29 05:01:17 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
6863 * pa.md (interspace_jump): New pattern.
6864 (builtin_longjmp): New expander.
6866 1999-08-29 Bernd Schmidt <bernds@cygnus.co.uk>
6868 * fp-bit.c (add, sub, multiply, divide, compare, _eq_f2, _ne_f2,
6869 _gt_f2, _ge_f2, _lt_f2, _le_f2, float_to_si, float_to_usi, negate,
6870 sf_to_df, df_to_sf): Fix potential problem with alias analysis.
6872 Sun Aug 29 04:30:52 1999 John Wehle (john@feith.com)
6874 * jump.c (delete_prior_computation): Also check calls
6875 to constant functions. Don't bother checking for a
6876 REG_UNUSED note before adding it.
6877 (delete_computation): Handle multi-word hard registers
6878 when synthesizing missing REG_DEAD notes for a register
6879 which is both set and used by an insn.
6881 1999-08-29 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6883 * loop.c (this_loop_info): New variable.
6884 (loop_has_call, loop_has_volatile, loop_has_tablejump,
6885 loop_continue, loops_enclosed): Replace with fields in this_loop_info.
6887 (prescan_loop, strength_reduce): New argument loop_info. All callers
6889 (scan_loop): New variable loop_info, initialise to address of
6891 (prescan_loop): Set loop_info->vtop if find NOTE_INSN_LOOP_VTOP.
6892 Delete variable loop_has_multiple_exit targets and replace with
6893 field in this_loop_info.
6894 (find_and_verify_loops): Rename this_loop to this_loop_num.
6895 (strength_reduce): Delete loop_iteration_info. Replace variable
6896 loop_info with function argument of same name.
6897 (insert_bct): Rework test for loop being completely unrolled.
6899 * loop.h (struct loop_info): New fields num, loops_enclosed,
6900 has_call, has_volatile, has_tablejump, has_multiple_exit_targets,
6901 has_indirect_jump, and cont. Redefine use of unroll_number.
6902 (loop_unroll_number): Delete.
6904 * unroll.c (unroll_loop): Store loop unroll count in unroll_number
6906 (loop_iterations): Delete variable vtop and instead use
6907 loop_info->vtop computed in prescan_loop.
6909 Sun Aug 29 03:27:23 1999 Scott Weikart <scott@igc.apc.org>
6911 * fix-header.c (main): Do not pass a null pointer to strcmp.
6913 Sun Aug 29 03:18:48 1999 William Bader (william@nscs.fast.net)
6915 * configure.in (i[34567]86-*-sco3.2v4*): Target does not truncate
6917 * configure: Rebuilt.
6919 Sat Aug 28 19:36:05 1999 Jeffrey A Law (law@cygnus.com)
6921 * jump.c (jump_optimize_1): Do not delete assignments to
6922 internal_arg_pointer.
6923 * cse.c (delete_trivially_dead_insns): Always consider a set of
6924 the internal_arg_pointer live.
6926 Sat Aug 28 16:24:31 1999 Richard Henderson <rth@cygnus.com>
6928 * flow.c (flow_delete_insn_chain): Rename from delete_insn_chain.
6929 (update_life_info) [REG_WAS_0]: Search the original insns rather
6930 than the new insns for the note. Fix typos finding note_dest.
6931 If no dest found, discard the note rather than abort.
6932 [REG_NOALIAS]: Handle as REG_NO_CONFLICT.
6933 (replace_insns): Remove the old insn list after update_life_info
6936 Sat Aug 28 16:20:12 1999 Richard Henderson <rth@cygnus.com>
6938 * haifa-sched.c (sched_analyze): Clear LOG_LINKS before calling
6940 (sched_analyze_1): Let add_dependence care for not adding dups.
6941 (sched_analyze_2): Likewise.
6942 (add_branch_dependences): Likewise.
6944 Sat Aug 28 15:58:16 1999 Mumit Khan <khan@xraylith.wisc.edu>
6946 * i386/winnt.c (export_list): New type.
6947 (exports_head): Rename to
6948 (export_head): this.
6949 (i386_pe_record_exported_symbol): Add is_data flag.
6950 (i386_pe_asm_file_end): Emit directive for exported variables.
6951 * i386/cygwin.h (i386_pe_record_exported_symbol): Update
6953 * i386/cygwin.h (ASM_OUTPUT_COMMON): Specify symbol type.
6954 (ASM_DECLARE_OBJECT_NAME): Likewise.
6955 (ASM_DECLARE_FUNCTION_NAME): Likewise.
6956 * i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
6958 Fri Aug 27 15:35:24 1999 Jeffrey A Law (law@cygnus.com)
6960 * cse.c (fold_rtx): Work around bug in Sun V5.0 compilers.
6962 * pa.c (emit_move_sequence): Do not stop on SUBREG_WORD of an
6965 Fri Aug 27 14:01:19 1999 Marc Espie <espie@cvs.openbsd.org>
6967 * config/openbsd.h: Define SET_ASM_OP.
6968 * tm.texi: cross-reference SET_ASM_OP in the index.
6970 1999-08-27 13:27 -0700 Zack Weinberg <zack@bitmover.com>
6972 * rtl.c: Define CONST_DOUBLE_FORMAT to the appropriate format
6973 for a CONST_DOUBLE, at compile time. Initialize rtx_length
6974 and class_narrowest_mode at compile time. Kill init_rtl.
6975 Mark rtx_length, mode_class, mode_size, mode_unit_size,
6976 mode_wider_mode, mode_mask_array, class_narrowest_mode, and
6977 rtx_format as const. Kill all references to EXTRA_CC_MODES or
6979 * rtl.def (CONST_DOUBLE): Use CONST_DOUBLE_FORMAT macro for
6981 * rtl.h: Declare rtx_length and rtx_format as const.
6982 * machmode.def: Define CC(). Use CC() to define CCmode. If
6983 EXTRA_CC_MODES is defined, expand it here.
6984 * machmode.h: Declare mode_class, mode_size, mode_unit_size,
6985 mode_wider_mode, mode_mask_array, and class_narrowest_mode as
6986 const. Kill all references to EXTRA_CC_MODES.
6988 * toplev.c: Don't prototype or call init_rtl.
6989 * optabs.c: Don't call init_mov_optab.
6990 * genemit.c: Don't generate init_mov_optab. Don't call
6992 * gengenrtl.c: Duplicate calculation of CONST_DOUBLE_FORMAT
6994 * genattr.c, genattrtab.c, gencodes.c, genconfig.c,
6995 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
6996 genrecog.c: Don't call init_rtl.
6998 * arc.h, arm.h, c4x.h, i386.h, i960.h, m88k.h, pa.h, pdp11.h,
6999 rs6000.h, sparc.h: Don't define EXTRA_CC_NAMES. Use CC() in
7000 definition of EXTRA_CC_MODES.
7002 * md.texi: Kill ref to EXTRA_CC_NAMES.
7003 * tm.texi: Document new way to define EXTRA_CC_MODES.
7005 * genrecog.c: Do not look up the name of a define_split.
7008 Fri Aug 27 17:03:42 1999 Nick Clifton <nickc@cygnus.com>
7010 * config/v850/v850.md: Fix typo introduced by previous delta.
7012 Fri Aug 27 09:48:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7014 * gcc.c (fatal): Make definition static to match prototype.
7016 Fri Aug 27 10:33:35 1999 Bernd Schmidt <bernds@cygnus.co.uk>
7018 * combine.c (get_last_value): Don't look for earlier sets if the last
7019 known set is somewhere in between the insns being combined.
7021 Fri Aug 27 10:03:12 BST 1999 Nathan Sidwell <nathan@acm.org>
7023 * configure.in: Don't use shell ! to negate exit codes
7024 * configure: Regenerate
7026 Fri Aug 27 09:36:17 1999 Andreas Schwab <schwab@suse.de>
7028 * function.c (assign_stack_temp_for_type): Fix change of Mar 5 for
7029 the fact that ALIGN is measured in bits, not bytes.
7031 1999-08-27 00:27 -0700 Zack Weinberg <zack@bitmover.com>
7033 * errors.c: New file; defines functions error, warning, and
7034 fatal, variables have_error and progname.
7035 * errors.h: New file; prototypes and decls for stuff in errors.c.
7037 * Makefile: Add rules to build errors.o and
7038 $(HOST_PREFIX)errors.o. Link genconfig, gencodes, genemit,
7039 genopinit, genrecog, genextract, genpeep, genattr, and
7040 genoutput with errors.o. Add errors.h to deps of genconfig.o,
7041 gencodes.o, genemit.o, genopinit.o, genrecog.o, genextract.o,
7042 genpeep.o, genattr.o, and genoutput.o.
7044 * genconfig.c, gencodes.c, genemit.c, genopinit.c, genrecog.c,
7045 genextract.c, genpeep.c, genattr.c: Include errors.h. Don't
7046 define or prototype fatal. Set progname at beginning of main.
7047 * genoutput.c: Likewise, and don't define or prototype error
7050 * c-typeck.c (c_expand_start_case): Return immediately if exp
7052 * fold-const.c (operand_equal_p): Return immediately if arg1
7053 or arg0 are ERROR_MARKs.
7054 * stor-layout.c (layout_type [case RECORD_TYPE]): Ignore
7055 fields of type ERROR_MARK when calculating if the record can
7058 Fri Aug 27 01:03:48 1999 Jim Kingdon <http://developer.redhat.com>
7059 with much help from Jeffrey A Law and Richard Henderson
7061 * i386.md: In the 6 insns which call output_fix_trunc,
7062 earlyclobber operands[0].
7064 Fri Aug 27 01:01:51 1999 Philip Blundell <pb@nexus.co.uk>
7066 * jump.c (duplicate_loop_exit_test): Call reg_scan_update after
7067 creating new registers.
7069 1999-08-26 23:09 -0700 Zack Weinberg <zack@bitmover.com>
7071 * i386.h: Declare ix86_cpu_string, ix86_arch_string,
7072 i386_reg_alloc_order, i386_regparm_string,
7073 i386_align_loops_string, i386_align_jumps_string,
7074 i386_align_funcs_string, i386_preferred_stack_boundary_string,
7075 and i386_branch_cost_string as type "const char *".
7076 * i386.c: Define all above strings as type "const char *".
7078 Thu Aug 26 20:36:30 1999 Jim Wilson <wilson@cygnus.com>
7080 * dwarf2out.c (output_aranges): Check DWARF_OFFSET_SIZE not PTR_SIZE
7081 when emitting alignment padding. Emit padding byte of 0 instead of 4.
7083 Thu Aug 26 18:11:20 1999 Mark Mitchell <mark@codesourcery.com>
7085 * tree.c (array_type_nelts): Don't create RTL_EXPRs from
7086 SAVE_EXPRs unless the SAVE_EXPRs have already been expanded.
7088 Thu Aug 26 19:33:23 1999 Jim Wilson <wilson@cygnus.com>
7090 * dwarf2out.c (DWARF2_ASM_LINE_DEBUG_INFO): Add default definition.
7091 (debug_dwarf): Add DWARF2_ASM_LINE_DEBUG_INFO support.
7092 (dwarf2out_line, dwarf2out_finish): Likewise.
7093 * tm.texi (DWARF2_ASM_LINE_DEBUG_INFO): Add documetation.
7095 Thu Aug 26 16:10:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
7097 * tree.c (lang_unsave_expr_now) : Correct return type.
7098 * tree.h (lang_unsave_expr_now) : Same.
7100 Thu Aug 26 13:12:29 1999 Jeffrey A Law (law@cygnus.com)
7102 * pa.c (cint_ok_for_move): Use CONST_INT_OK_FOR_LETTER_P macros
7103 instead of duplicating code.
7105 Thu Aug 26 18:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
7107 * gcse.c (hash_scan_insn): Don't scan obvious no-ops.
7109 1999-08-26 09:42 -0700 Zack Weinberg <zack@bitmover.com>
7111 * tree.h: fancy_abort always takes three args.
7112 * resource.c: Move include of system.h before toplev.h.
7114 Thu Aug 26 09:46:16 1999 Nick Clifton <nickc@cygnus.com>
7116 * dwarf2out.c (mem_loc_descriptor): Accept LABEL_REFs as well
7119 1999-08-25 22:10 -0700 Zack Weinberg <zack@bitmover.com>
7121 * system.h: Don't redefine abort or trim_filename.
7122 * rtl.h: Define abort to fancy_abort (__FILE__, __LINE__, 0)
7123 or fancy_abort (__FILE__, __LINE__, __FUNCTION__) depending on
7124 whether or not __FUNCTION__ is available.
7125 * tree.h: Duplicate rtl.h's definition of abort, for files
7126 that don't include rtl.h. Delete all code to perform type
7127 checking with a compiler other than GCC.
7128 * varray.h: Delete all code to perform type checking with a
7129 compiler other than GCC. Make VARRAY_CHECK() always evaluate
7130 its arguments exactly once, using a statement expression.
7131 Adjust the VARRAY_<type> accessor macros to match.
7132 * toplev.h (fatal_insn, fatal_insn_not_found): Kill.
7133 (_fatal_insn, _fatal_insn_not_found): New fns, take info on
7134 caller's location. Define fatal_insn and fatal_insn_not_found
7135 as macros that use _fatal_insn and _fatal_insn_not_found.
7136 (fancy_abort, trim_filename): Kill prototypes.
7138 * rtl.c (trim_filename): Move here from toplev.c.
7139 (fancy_abort): New function.
7140 (DIR_SEPARATOR): Provide default definition.
7141 * tree.c (tree_check_failed, tree_class_check_failed): Go
7142 through fancy_abort.
7143 (tree_check, tree_class_check, cst_or_constructor_check,
7144 expr_check): Delete.
7145 * varray.c (varray_check_failed): New function.
7146 * toplev.c (fatal_insn, fatal_insn_not_found): Replace with
7147 _fatal_insn and _fatal_insn_not_found. Go through
7149 (trim_filename, fancy_abort): Delete.
7151 * builtins.c (expand_builtin_args_info): Report ICE with abort.
7152 * except.c (start_catch_handler): Report ICE with error/abort
7154 * final.c (output_operand_lossage): Likewise.
7155 * flow.c (verify_flow_info): Likewise.
7157 * gcc.c: Prototype fatal.
7158 * gengenrtl.c: Undef abort after including rtl.h not system.h.
7159 * genattr.c, genattrtab.c, genemit.c, genextract.c,
7160 genflags.c, genopinit.c, genoutput.c, genpeep.c, genrecog.c:
7161 Don't define fancy_abort.
7163 Wed Aug 25 17:56:59 1999 Richard Henderson <rth@cygnus.com>
7165 * optabs.c (emit_cmp_and_jump_insns): Be more thorough in
7168 Wed Aug 25 15:35:55 1999 Richard Henderson <rth@cygnus.com>
7170 * m88k.h (VERSION_INFO2): Kill.
7171 (VERSION_STRING): Kill.
7173 (VERSION_INFO1): Tidy.
7174 (TARGET_VERSION): Update.
7175 * m88k/dgux.h (VERSION_INFO2): Kill.
7176 (ASM_FIRST_LINE): Adjust for death of VERSION_STRING.
7177 * m88k/luna.h (VERSION_INFO1): Tidy.
7178 * m88k/sysv4.h (VERSION_INFO1): Likewise.
7179 * m88k.c (out_rcs_id, tm_rcs_id): Kill.
7180 (output_file_start): Adjust for death of VERSION_STRING.
7182 1999-08-25 13:51 -0700 Jim Meyering <meyering@ascend.com>
7184 * cpplib.c (detect_if_not_defined): New function.
7185 (do_if): Use it to detect potential once-only headers.
7187 Wed Aug 25 14:00:18 1999 Jason Merrill <jason@yorick.cygnus.com>
7189 * c-common.c (combine_strings): Always set TREE_CONSTANT.
7191 Wed Aug 25 15:27:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
7193 * combine.c (nonzero_bits) : Allow single-ly set registers to be
7194 anywere in the function only if they are pseudos and set before
7195 being used (not live at the start of the function).
7196 (num_sign_bit_copies) : Same.
7197 (get_last_value_validate) : Same.
7198 (get_last_value) : Same.
7200 Wed Aug 25 11:13:29 1999 Richard Henderson <rth@cygnus.com>
7202 * loop.c (express_from): Try harder to unify (* c N) and (* c M)
7203 where N and M are constant and N is an integer multiple of M.
7205 Wed Aug 25 13:55:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
7207 * sbitmap.h (sbitmap_intersection_of_succs): Add prototype.
7208 (sbitmap_intersection_of_preds, sbitmap_union_of_succs,
7209 sbitmap_union_of_preds): Add prototypes.
7210 * sbitmap.c (sbitmap_intersection_of_succs): New function to compute
7211 the intersection of successors with the new flow graph structures.
7212 (sbitmap_intersection_of_preds): New function to compute the
7213 intersection of predecessors with the new flow graph structures.
7214 (sbitmap_union_of_succs): New function to compute the union of
7215 successors with the new flow graph structures.
7216 (sbitmap_union_of_preds): New function to compute the union of
7217 predecessors with the new flow graph structures.
7218 * gcse.c (compute_rdm, compute_available): Use new sbitmap routines.
7219 (expr_reaches_here_p): Use edge and basic_block structures instead
7220 of s_preds and s_succs.
7221 (compute_cprop_avinout): Use new sbitmap routines.
7222 (pre_expr_reaches_here_p): Use edge and basic_block structures instead
7223 of s_preds and s_succs.
7224 * flow.c (compute_flow_dominators): Compute dominators using
7225 edges and basic blocks instead of s_preds and s_succs.
7227 Wed Aug 25 13:41:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
7229 * lists.c (unused_insn_list, unused_expr_list): New file for
7230 maintaining various types of lists. New statics for maintaining a
7231 cache of available INSN_LIST and EXPR_LIST nodes.
7232 (free_list): Static function for freeing a list of INSN/EXPR nodes.
7233 (alloc_INSN_LIST): Function to get a free INSN_LIST node.
7234 (alloc_EXPR_LIST): Function to get a free EXPR_LIST node.
7235 (init_EXPR_INSN_LIST_cache): Initialize the cache lists.
7236 (free_EXPR_LIST_list): Free an entire list of EXPR_LIST nodes.
7237 (free_INSN_LIST_list): Free an entire list of INSN_LIST nodes.
7238 (free_EXPR_LIST_node): Free an individual EXPR_LIST node.
7239 (free_INSN_LIST_node): Free an individual INSN_LIST node.
7240 * haifa-sched.c (unused_insn_list, unused_expr_list): Moved to flow.c
7241 (free_list, alloc_INSN_LIST, alloc_EXPR_LIST): Moved to flow.c
7242 (remove_dependence, free_pending_lists): Use new global routines.
7243 (flush_pending_lists, sched_analyze_insn): Use new global routines.
7244 (sched_analyze, compute_block_backward_dependences): Use new routines.
7245 (sched_analyze_1, sched_analyze_2): Use new routines.
7246 (schedule_insns): Use new global routines.
7247 * rtl.h (init_EXPR_INSN_LIST_cache, free_EXPR_LIST_list): Add function
7249 (free_INSN_LIST_list, free_EXPR_LIST_node): Add prototypes.
7250 (free_INSN_LIST_node, alloc_INSN_LIST, alloc_EXPR_LIST): Add function
7252 * toplev.c (rest_of_compilation): Initialize node cache.
7253 * Makefile.in (OBJS): Add lists.o to list of object files.
7254 (lists.o): Add dependancies.
7256 Wed Aug 25 17:31:56 1999 Nick Clifton <nickc@cygnus.com>
7258 * config/v850/v850.md: Fix compile time warning messages.
7259 * config/v850/v850.c: Fix compile time warning messages.
7260 * config/v850/v850.h: Fix compile time warning messages.
7262 Wed Aug 25 09:44:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7264 * genattr.c (gen_attr): Add prototype arguments for get_attr_*().
7265 Remove unused prototype for `init_lengths'.
7267 Wed Aug 25 09:32:31 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7269 * calls.c (emit_call_1): Mark parameter `stack_size' with
7271 (expand_call): Initialize variable `insn'.
7272 (emit_library_call): Likewise for variable `high_to_save'.
7273 (emit_library_call_value): Likewise.
7274 (store_one_arg): Likewise for variables `lower_bound' and
7277 * combine.c (try_combine): Likewise for variables `i2_code_number'
7278 and `other_code_number'.
7279 (find_split_point): Likewise for variables `pos', `unsignedp' and
7281 (simplify_if_then_else): Likewise for variables `op' and `c1'.
7282 (simplify_and_const_int): Remove unused variable `width'.
7283 (merge_outer_ops): Likewise.
7285 * cse.c (simplify_binary_operation): Cast an INTVAL() to `unsigned
7286 HOST_WIDE_INT' when comparing against one.
7287 (simplify_relational_operation): Likewise.
7288 (cse_insn): Initialize variables `src_eqv_volatile',
7289 `src_eqv_in_memory', `src_eqv_in_struct', `src_eqv_hash' and `sets'.
7291 * final.c (init_final): Constify parameter `filename'.
7292 (final_start_function): Mark parameter `optimize' with
7294 (profile_function): Likewise for parameters `first' and `optimize'.
7295 (output_source_line): Likewise for parameter `file'.
7297 * integrate.c (subst_constants): Cast a value to `size_t' when
7298 comparing against one.
7299 (mark_stores): Initialize variable `mode'. Cast a value to
7300 `size_t' when comparing against one.
7302 * integrate.h (MAYBE_EXTEND_CONST_EQUIV_VARRAY): Likewise.
7304 * loop.c (move_movables): Initialize variable `first'.
7305 (strength_reduce): Likewise for variable `increment'.
7306 (check_dbra_loop): Likewise for variable `comparison_val'. Cast a
7307 value to `size_t' when comparing against one.
7308 (load_mems): Initialize variable `end_label'.
7310 * output.h (init_final): Constify parameter.
7312 * reload.c (decompose): Initialize variable `base'.
7314 * reload1.c (reload): Likewise for variable `is_scalar'.
7315 (spill_hard_reg): Mark parameter `dumpfile' with ATTRIBUTE_UNUSED.
7316 (choose_reload_regs): Initialize variable `mode'.
7317 (emit_reload_insns): Likewise for variable `store_insn'.
7318 (reload_cse_noop_set_p): Mark parameter `insn' with
7320 (reload_combine): Initialize variable `set'.
7322 * unroll.c (unroll_loop): Likewise for variable `local_label'.
7323 (copy_loop_body): Cast a value to `size_t' when comparing against
7326 * varasm.c (assemble_variable): Initialize variable `size_tree'.
7327 (const_hash): Add an `else abort()' in an if-else-if-else sequence.
7328 (remove_from_pending_weak_list): Mark parameter `name' with
7331 Wed Aug 25 11:18:39 1999 Bernd Schmidt <bernds@cygnus.co.uk>
7333 * toplev.c (rest_of_compilation): Use decl_printable_name when opening
7336 Wed Aug 25 10:57:12 1999 Nick Clifton <nickc@cygnus.com>
7338 * config/arm/telf.h (ASM_WEAKEN_LABEL): Define.
7339 (ASM_DECLARE_FUNCTION_NAME): Define.
7340 (TYPE_ASM_OP, SIZE_ASM_OP, TYPE_OPERAND_FORMAT,
7341 ASM_DECLARE_RESULT, ASM_DECLARE_OBJECT_NAME,
7342 ASM_FINISH_DECLARE_OBJECT, ASM_DECLARE_FUNCTION_SIZE): Define if
7343 not already defined.
7345 Wed Aug 25 01:36:11 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
7347 * calls.c (emit_call_1): Use call_pop/call_value_pop for all values
7348 of n_popped when call/call_value are not defined.
7350 Wed Aug 25 01:25:14 1999 Jeffrey A Law (law@cygnus.com)
7352 * tm.texi: GNU CC -> GCC conversion.
7353 (CC1_SPEC): Indicate it is used for all language front ends.
7355 Tue Aug 24 23:43:03 1999 Mark Mitchell <mark@codesourcery.com>
7357 * flow.c (delete_block): Spell NOTE_INSN_EH_REGION_BEG and
7358 NOTE_INSN_EH_REGION_END correctly.
7360 Tue Aug 24 23:26:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
7361 Jeff Law <law@cygnus.com>
7363 * loop.c (strength_reduce): Automatically unroll loops if the
7364 unrolled loop size is smaller than the rolled loop size.
7366 * loop.c (insert_bct): Replace use of sdiv_optab with asr_optab
7367 and delete comment that code should be rewritten.
7369 Tue Aug 24 22:56:35 1999 Jeffrey A Law (law@cygnus.com)
7371 * haifa-sched.c (find_rgns): Mark a block found during the DFS search
7374 * haifa-sched.c (get_visual_tbl_length): Fix off-by-one error.
7376 Tue Aug 24 22:41:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
7378 * fixinc/mkfixinc.sh: Don't fix uwin headers.
7379 * i386/uwin.h (MD_STARTFILE_PREFIX): Define.
7380 (LINK_SPEC): Add -u _main when building executables.
7381 (ASM_DECLARE_FUNCTION): Update from Cygwin.
7382 (ASM_FILE_END): Use the default for ix86-pe.
7383 * i386/xm-uwin.h (HAVE_BCOPY): Undefine.
7385 Tue Aug 24 20:49:47 1999 Art Haas <ahaas@neosoft.com>
7387 * final.c (output_addr_const): Handle case where ASM_OPEN_PAREN
7388 and ASM_CLOSE_PAREN are empty strings.
7390 Wed Aug 25 12:46:22 1999 Fred Fish <fnf@cygnus.com>
7391 Geoffrey Keating <geoffk@cygnus.com>
7393 * Makefile.in (PREPROCESSOR_DEFINES): New macro.
7394 (protoize.o): Use PREPROCESSOR_DEFINES and DRIVER_DEFINES.
7395 (unprotoize.o): Ditto.
7396 (test-protoize-simple): Don't define STD_PROTO_DIR.
7397 * protoize.c: Use PARAMS rather than PROTO. Minor whitespace
7398 changes to make 'test-protoize-simple' pass.
7399 (STD_PROTO_DIR): Remove define.
7400 (STANDARD_EXEC_PREFIX): Supply default define.
7401 (standard_exec_prefix): New variable, init to STANDARD_EXEC_PREFIX.
7402 (target_machine): New variable, init to DEFAULT_TARGET_MACHINE.
7403 (target_version): New variable, init to DEFAULT_TARGET_VERSION.
7404 (GET_ENV_PATH_LIST): New macro.
7405 (default_syscalls_dir): No longer initialized to STD_PROTO_DIR.
7406 (do_processing): Initialize default_syscalls_dir using new
7407 macros. Use it to initialize syscalls_absolute_filename.
7409 Tue Aug 24 16:58:15 1999 Richard Henderson <rth@cygnus.com>
7411 * jump.c (jump_optimize_1): Do cmov opt on any single-set; force
7412 B into a register before emit_conditional_move.
7414 Tue Aug 24 15:37:03 1999 Richard Henderson <rth@cygnus.com>
7416 * fold-const.c (fold): Reassociate (+ (+ (* a b) c) (* d e))
7417 as (+ (+ (* a b) (* d e)) c). Factor a common power-of-two
7418 multiplicand out of (+ (* a b) (* c d)).
7420 Tue Aug 24 11:46:10 1999 Bob Manson <manson@cygnus.com>
7421 Richard Henderson <rth@cygnus.com>
7423 * haifa-sched.c (split_hard_reg_notes): Move to flow.c
7424 (new_insn_dead_notes): Likewise.
7425 (update_n_sets): Likewise.
7426 (update_flow_info): Move to flow.c, renamed to update_life_info;
7427 extend to handle multiple source insns.
7428 * flow.c: Include resource.h
7429 (unlink_insn_chain): New.
7430 (split_hard_reg_notes): New.
7431 (maybe_add_dead_note): New.
7432 (maybe_add_dead_note_use): New.
7433 (find_insn_with_note): New.
7434 (new_insn_dead_notes): New.
7435 (update_n_sets): New.
7436 (sets_reg_or_subreg_1, sets_reg_or_subreg): New.
7437 (maybe_remove_dead_notes): New.
7438 (update_life_info): New.
7439 (prepend_reg_notes): New.
7440 (replace_insns): New.
7441 * output.h (update_life_info): Declare.
7442 * recog.c (split_block_insns): Use update_life_info.
7443 * resource.c (find_free_register): Use reg_alloc_order, don't use
7444 fixed regs, make sure the mode is supported, don't use new regs.
7446 * rtl.h (replace_insns): Declare.
7448 Tue Aug 24 13:48:39 1999 Nathan Sidwell <nathan@acm.org>
7450 * expr.c (expand_expr): Cope with COND_EXPRs with one
7451 non-returning branch.
7453 Mon Aug 23 22:28:16 1999 Mark Mitchell <mark@codesourcery.com>
7455 * expr.c (store_expr): Always pass down the target, even when not
7458 1999-08-24 Nick Clifton <nickc@cygnus.com>
7460 * configure.in: Define target_cpu_default for v850 targets.
7461 * configure: Regenerate
7463 * config/v850/v850.h (TARGET_CPU_generic): Define.
7464 (GO_IF_LEGITIMATE_ADDRESS): Insist that SImode and larger constant
7465 addresses are 4 byte aligned.
7467 * config/v850/v850.c (print_operand): Cope with 'R' format DFmode
7470 Tue Aug 24 09:32:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7472 * genattr.c (function_unit_desc): Constify a char*. Add prototype.
7473 (main): Add prototypes.
7475 * genattrtab.c (substitute_address, write_const_num_delay_slots,
7476 attr_eq, attr_numeral, attr_equal_p, attr_copy_rtx): Prototype.
7477 (write_attr_get): Emit prototypes along with function definition.
7478 (write_eligible_delay): Mark a parameter with ATTRIBUTE_UNUSED.
7479 (write_complex_function): Emit static prototype along with
7480 function definition.
7482 * genemit.c (gen_split): Emit prototypes along with function
7485 * genoutput.c (output_epilogue): Add prototype to `insn_outfun'.
7486 Likewise for predicates and `insn_operand_predicate'.
7487 (process_template): Emit static prototype along with function
7490 * genrecog.c (make_insn_sequence): Constify a char*. Add
7491 prototypes for get_split_*().
7492 (write_subroutine): Emit prototypes along with function
7495 Tue Aug 24 12:35:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
7497 * gcse.c (find_avail_set): Follow chains of register-register copies.
7498 Use oprs_not_set_p to guarantee that the returned value can be
7500 (cprop_insn): Don't verify the return value of find_avail_set with
7503 * gcse.c (cprop_jump): New function, broken out of cprop_insn.
7504 (cprop_cc0_jump): New function.
7505 (cprop_insn): Break out new function cprop_jump and use it.
7506 Also use cprop_cc0_jump for machines with CC0.
7507 (cprop): Don't crash if cprop_insn turned the insn into a NOTE.
7509 * tree.h (current_function_calls_setjmp,
7510 current_function_calls_longjmp): Delete declarations.
7511 * dsp16xx.c: Include "function.h".
7512 * elxsi.c: Likewise.
7513 * gmicro.c: Likewise.
7514 * h8300.c: Likewise.
7517 * mn10200.c: Likewise.
7518 * mn10300.c: Likewise.
7519 * ns32k.c: Likewise.
7523 * rtl.h (rtx_equal_function_value_matters): Declare.
7524 * toplev.c (rtx_equal_function_value_matters): Don't declare.
7526 * function.c: Likewise.
7527 * emit-rtl.c: Likewise.
7529 Tue Aug 24 02:47:44 1999 Jeffrey A Law (law@cygnus.com)
7531 * expr.c (convert_move): Fix arguments to TRULY_NOOP_TRUNCATION
7534 1999-08-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7536 * jump.c (delete_barrier_successors) Match (set (pc) (pc)) insn
7539 Mon Aug 23 23:35:52 1999 Matthias Klose <doko@cs.tu-berlin.de>
7541 * cpp.texi: Add a node documenting macro varargs (copied
7544 1999-08-23 22:23 -0700 Zack Weinberg <zack@bitmover.com>
7546 * cppspec.c: Put a null pointer at the end of the new argv.
7548 Mon Aug 23 21:23:24 1999 Jeffrey A Law (law@cygnus.com)
7550 * configure.in: Remove code to select/de-select the haifa
7551 scheduler. Every scheduled port gets haifa now.
7552 * configure: Rebuilt.
7553 * flags.h, genattrtab.c, rtl.h, toplev.c: Remove HAIFA ifdefs.
7555 * Makefile.in: Corresponding changes.
7557 Mon Aug 23 16:04:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
7559 * optabs.c (prepare_cmp_insn): Turn COMPARISON arg into a pointer.
7560 All callers changed.
7561 (prepare_float_lib_cmp): Likewise.
7562 Use FLOAT_LIB_COMPARE_RETURNS_BOOL.
7563 * expr.h (emit_float_lib_cmp): Delete declaration.
7564 * tm.texi (FLOAT_LIB_COMPARE_RETURNS_BOOL): Document.
7565 * sparc.h (FLOAT_LIB_COMPARE_RETURNS_BOOL): Define.
7566 * sparc.md (bcc and scc patterns): Don't handle TFmode comparisons
7568 (cmptf): Now conditional on TARGET_HARD_QUAD.
7570 Fri Aug 20 17:52:27 1999 Jim Wilson <wilson@cygnus.com>
7572 * resource.c (mark_target_live_regs): Use
7573 PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.
7575 Fri Aug 20 19:07:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7577 * rtl.c (rtx_class, note_insn_name, reg_note_name): Constify.
7579 * rtl.h (rtx_class, reg_note_name, note_insn_name): Likewise.
7581 * genopinit.c (gen_insn): Use accessor macro, not `rtx_class'.
7583 Fri Aug 20 18:53:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7585 * rtl.h (rtx_format): Constify a char*.
7587 * rtl.c (rtx_format): Likewise.
7588 (copy_rtx, copy_most_rtx, read_rtx): Likewise.
7589 (init_rtl): Use accessor macro, not `rtx_format'.
7591 * alias.c (rtx_equal_for_memref_p, find_symbolic_term): Constify a
7594 * caller-save.c (mark_referenced_regs): Likewise.
7596 * combine.c (subst, make_compound_operation, known_cond,
7597 gen_rtx_combine, update_table_tick, get_last_value_validate,
7598 use_crosses_set_p, mark_used_regs_combine, move_deaths): Likewise.
7600 * cse.c (rtx_cost, mention_regs, canon_hash, exp_equiv_p,
7601 refers_to_p, canon_reg, fold_rtx, cse_process_notes,
7602 count_reg_usage): Likewise.
7604 * emit-rtl.c (gen_rtx, copy_rtx_if_shared, reset_used_flags):
7607 * final.c (leaf_renumber_regs_insn): Likewise.
7609 * flow.c (mark_used_regs, find_use_as_address, dump_flow_info,
7610 dump_edge_info, count_reg_references): Likewise.
7612 * function.c (fixup_var_refs_1, walk_fixup_memory_subreg,
7613 fixup_stack_1, purge_addressof_1, instantiate_virtual_regs_1):
7616 * gcse.c (oprs_unchanged_p, hash_expr_1, expr_equiv_p,
7617 oprs_not_set_p, expr_killed_p, compute_transp, find_used_regs,
7618 add_label_notes): Likewise.
7620 * genattrtab.c (attr_rtx, attr_copy_rtx, encode_units_mask,
7621 clear_struct_flag, count_sub_rtxs, count_alternatives,
7622 compares_alternatives_p, contained_in_p, walk_attr_value,
7623 write_expr_attr_cache): Likewise.
7625 * genconfig.c (walk_insn_part): Likewise.
7627 * genemit.c (max_operand_1, gen_exp): Likewise.
7629 * genextract.c (walk_rtx): Likewise.
7631 * genflags.c (num_operands): Likewise.
7633 * genoutput.c (scan_operands): Likewise.
7635 * genpeep.c (match_rtx): Likewise.
7637 * genrecog.c (add_to_sequence): Likewise.
7639 * haifa-sched.c (may_trap_exp, sched_analyze_2, attach_deaths):
7642 * integrate.c (save_constants, copy_for_inline,
7643 copy_rtx_and_substitute, subst_constants, restore_constants):
7646 * jump.c (mark_jump_label, invert_exp, redirect_exp,
7647 rtx_renumbered_equal_p, rtx_equal_for_thread_p): Likewise.
7649 * local-alloc.c (contains_replace_regs, memref_referenced_p):
7652 * loop.c (record_excess_regs, rtx_equal_for_loop_p,
7653 add_label_notes, replace_call_address, count_nonfixed_reads,
7654 invariant_p, find_single_use_in_loop, find_mem_givs,
7655 find_life_end, maybe_eliminate_biv_1, update_reg_last_use):
7658 * print-rtl.c (reg_names, print_rtx): Likewise.
7660 * recog.c (validate_replace_rtx_1, find_single_use_1): Likewise.
7662 * reg-stack.c (stack_regs_mentioned_p, record_label_references,
7663 record_reg_life_pat, swap_rtx_condition, goto_block_pat,
7664 print_blocks): Likewise.
7666 * regclass.c (fix_register, record_address_regs,
7667 reg_scan_mark_refs): Likewise.
7669 * regmove.c (stable_but_for_p): Likewise.
7671 * reload.c (loc_mentioned_in_p, operands_match_p,
7672 find_reloads_toplevsubst_reg_equivs, find_reloads_address_1,
7673 copy_replacements, refers_to_regno_for_reload_p,
7674 refers_to_mem_for_reload_p, find_inc_amount, regno_clobbered_p,
7675 reload_when_needed_name, reg_class_names, debug_reload_to_stream):
7678 * reload1.c (eliminate_regs, scan_paradoxical_subregs,
7679 delete_address_reloads_1, count_occurrences,
7680 reload_cse_mem_conflict_p, reload_combine_note_use,
7681 add_auto_inc_notes): Likewise.
7683 * resource.c (mark_referenced_resources, mark_set_resources):
7686 * rtlanal.c (rtx_unstable_p, rtx_varies_p, rtx_addr_varies_p,
7687 reg_mentioned_p, regs_set_between_p, modified_between_p,
7688 modified_in_p, refers_to_regno_p, reg_overlap_mentioned_p,
7689 rtx_equal_p, volatile_insn_p, volatile_refs_p, side_effects_p,
7690 may_trap_p, inequality_comparisons_p, replace_rtx, replace_regs,
7691 jmp_uses_reg_or_mem, for_each_rtx, regno_use_in): Likewise.
7693 * sched.c (sched_analyze_2, attach_deaths): Likewise.
7695 * stupid.c (stupid_mark_refs): Likewise.
7697 * unroll.c (remap_split_bivs): Likewise.
7699 * varasm.c (mark_constants): Likewise.
7701 * a29k/a29k.c (uses_local_reg_p): Likewise.
7703 * alpha/alpha.c (summarize_insn): Likewise.
7705 * arm/arm.c (symbol_mentioned_p, label_mentioned_p,
7706 eliminate_lr2ip): Likewise.
7708 * arm/thumb.c (symbol_mentioned_p, label_mentioned_p): Likewise.
7710 * i386/i386.c (symbolic_reference_mentioned_p, copy_all_rtx,
7711 reg_mentioned_in_mem): Likewise.
7713 * ns32k/ns32k.c (global_symbolic_reference_mentioned_p,
7714 symbolic_reference_mentioned_p): Likewise.
7716 * romp/romp.c (unsigned_comparisons_p, hash_rtx): Likewise.
7718 * sh/sh.c (regs_used, mark_use): Likewise.
7720 * vax/vax.c (vax_rtx_cost): Likewise.
7722 Fri Aug 20 18:38:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7724 * machmode.h (mode_name): Constify a char*.
7726 * rtl.c (mode_name): Likewise.
7728 * genopinit.c (gen_insn): Use accessor macro, not `mode_name'.
7730 * optabs.c (init_libfuncs): Constify a char*.
7732 * print-tree.c (mode_name): Remove redundant declaration.
7733 (print_node): Use accessor macro, not `mode_name'.
7735 * reload1.c (dump_needs): Constify a char*. Use accessor macro,
7737 (new_spill_reg): Constify a char*.
7739 * tree.c (mode_name): Remove redundant declaration.
7741 Fri Aug 20 18:31:26 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7743 * rtl.c (rtx_name): Constify a char*.
7745 * rtl.h (rtx_name, fix_sched_param): Likewise.
7747 * gmicro/gmicro.c (rtx_name): Remove redundant declaration.
7748 (mypr): Use accessor macro, not `rtx_name'.
7750 * genemit.c (print_code): Constify a char*.
7752 * genopinit.c (gen_insn): Use accessor macro, not `rtx_name'.
7754 * genpeep.c (print_code): Constify a char*.
7756 * genrecog.c (print_code): Likewise.
7758 * graph.c (start_fct, start_bb, node_data, draw_edge, end_fct,
7759 end_bb): Add static prototype.
7760 (draw_edge): Constify a char*.
7761 (end_bb): Remove unused parameter.
7763 * haifa-sched.c (fix_sched_param, safe_concat, print_exp
7764 print_block_visualization): Constify a char*.
7766 Fri Aug 20 15:02:10 1999 Mark Mitchell <mark@codesourcery.com>
7768 * c-common.c (c_get_alias_set): Update comment.
7770 1999-08-20 Andreas Jaeger <aj@arthur.rhein-neckar.de>
7772 * linux.h (LIB_SPEC): Added.
7774 Fri Aug 20 22:32:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7776 * config/c4x/c4x.h (STARTFILE_SPEC): Don't define.
7778 1999-08-19 18:43 -0700 Zack Weinberg <zack@bitmover.com>
7780 * tree.c (expr_check): Fix typo in last change.
7782 1999-08-19 14:44 -0700 Zack Weinberg <zack@bitmover.com>
7784 * rtl.def (NOTE): Change format to "iuu0n".
7785 (ADDR_DIFF_VEC): Change format to "eEee0".
7786 (ADDRESSOF): Change format to "eit".
7788 * rtl.h (rtvec): Make "elem" an array of rtx, not rtunion.
7789 (RTVEC_ELT): Change to match.
7790 (XVECEXP): Use XVEC and RTVEC_ELT.
7791 (INSN_UID, INSN_CODE, CODE_LABEL_NUMBER, NOTE_LINE_NUMBER,
7792 ADDRESSOF_REGNO, REGNO, SUBREG_WORD): Use XINT.
7793 (PREV_INSN, NEXT_INSN, PATTERN, REG_NOTES,
7794 CALL_INSN_FUNCTION_USAGE, SUBREG_REG, SET_SRC, SET_DEST,
7795 TRAP_CONDITION, TRAP_CODE): Use XEXP.
7796 (INTVAL): Use XWINT.
7797 (ADDRESSOF_DECL): Use XTREE.
7798 (SET_ADDRESSOF_DECL): Delete.
7799 (NOTE_DECL_NAME, NOTE_DECL_CODE, NOTE_DECL_RTL,
7800 NOTE_DECL_IDENTIFIER, NOTE_DECL_TYPE): Kill. These have been
7801 ifdefed out since 2.6 at least.
7802 (gen_rtvec_vv): Delete prototype.
7804 * rtl.h (rtvec_alloc): rt->elem is now an array of rtx,
7806 (copy_most_rtx): Handle 't' format letter.
7807 * emit-rtl.c (gen_rtvec_v): rt_val->elem is an array of rtx.
7808 (gen_rtvec_vv): Delete function. All callers changed to use
7809 gen_rtvec_v instead.
7810 * print-rtl.c (print_rtx): Move special casing of NOTEs to
7811 the '0' format letter.
7813 * function.c (gen_mem_addressof): Don't use
7814 SET_ADDRESSOF_DECL; provide `decl' to gen_rtx_ADDRESSOF
7816 * integrate.c (copy_rtx_and_substitute): Likewise.
7817 Copy 't' slots with XTREE.
7818 (subst_constants): Treat 't' slots like '[swi]' slots.
7819 * cse.c (canon_hash, exp_equiv_p): Treat 't' slots like '0' slots.
7820 * jump.c (rtx_equal_for_thread_p): Likewise.
7821 * rtlanal.c (rtx_equal_p): Likewise.
7822 * stmt.c (expand_end_case): gen_rtx_ADDR_DIFF_VEC now takes
7823 only four arguments.
7824 * gengenrtl.c (type_from_format): Provide correct types for
7828 * tree.h [ENABLE_CHECKING] (TREE_CHECK, TREE_CLASS_CHECK):
7829 If a recent gcc is in use (always in stage2 and beyond), use
7830 statement expressions, so we don't make a function call unless
7831 the check fails. Evaluate arguments exactly once.
7832 (CHAIN_CHECK, DO_CHECK, DO_CHECK1, TREE_CHECK1,
7833 TREE_CLASS_CHECK1, TYPE_CHECK1, DECL_CHECK1, CST_CHECK1):
7835 (CST_OR_CONSTRUCTOR_CHECK, EXPR_CHECK): Redefine such that
7836 they evaluate their arguments exactly once, irrespective of
7837 the compiler in use.
7839 * tree.c [ENABLE_CHECKING]: Define whichever set of functions
7840 is used by the currently-enabled check macros. This is:
7841 (tree_check_failed, tree_class_check_failed): For gcc.
7842 (tree_check, tree_class_check, cst_or_constructor_check,
7843 expr_check): For other compilers.
7845 * gencheck.c: Do not define any *_CHECK1 macros.
7847 Thu Aug 19 14:42:38 1999 Mike Stump <mrs@wrs.com>
7848 Mark Mitchell <mark@codesourcery.com>
7850 * c-common.c (c_get_alias_set): Fix support for poitners and
7853 Thu Aug 19 11:51:22 EDT 1999 John Wehle (john@feith.com)
7855 * alias.c: Include tree.h.
7856 (nonlocal_reference_p, mark_constant_function): New functions.
7857 * flow.c (life_analysis): Call mark_constant_function.
7858 * rtl.h (mark_constant_function): Declare it.
7860 Thu Aug 19 15:02:01 1999 Nick Clifton <nickc@cygnus.com>
7862 * config/rs6000/rs6000.c (rs6000_override_options): Fix test for
7863 unrecognisable switches.
7865 Wed Aug 18 23:31:57 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
7867 * loop.c (recombine_givs): Set ix field after sorting.
7868 (recombine_givs): Remove bogus index / giv lockstep looping.
7870 Wed Aug 18 18:20:40 1999 Bernd Schmidt <bernds@cygnus.co.uk>
7872 * expmed.c (emit_store_flag): If UNSIGNEDP, call unsigned_condition
7874 (emit_store_flag_force): Use do_compare_rtx_and_jump.
7875 (do_cmp_and_jump): Formatting fixes.
7876 * expr.c (do_compare_and_jump): Renamed from compare; changed to call
7877 do_compare_rtx_and_jump instead of compare_from_rtx.
7878 (do_compare_rtx_and_jump): New function; mostly copied from
7880 (do_jump_for_compare): Delete.
7881 (expand_expr): Use do_compare_rtx_and_jump when handling MAX_EXPR and
7883 (do_jump): Use do_compare_and_jump or do_compare_rtx_and_jump instead
7884 of compare/do_jump_for_compare pairs.
7885 (do_jump_by_parts_greater): Use do_jump_by_parts_greater_rtx.
7886 (do_jump_by_parts_greater_rtx): Use do_compare_rtx_and_jump instead of
7887 compare_from_rtx/do_jump_for_compare pairs.
7888 (do_jump_by_parts_equality): Likewise.
7889 (do_jump_by_parts_equality_rtx): Likewise.
7890 * expr.h (do_compare_rtx_and_jump): Declare.
7891 * optabs.c (prepare_cmp_insn): New function, contains most of the code
7892 that used to be in emit_cmp_insn.
7893 (cmp_available_p): New function.
7894 (prepare_operand): New function.
7895 (emit_cmp_and_jump_insn_1): New function, contains some code that used
7896 to be in emit_cmp_insn.
7897 (prepare_float_lib_cmp): Renamed from emit_float_lib_cmp; change some
7898 parameters to be pointers; don't emit final compare but modify some of
7899 the values pointed to by the args so the caller can perform the
7901 (expand_binop): Call emit_store_flag_force with signed forms of
7903 (expand_abs): Use do_compare_rtx_and_jump instead of compare_from_rtx/
7904 emit_jump_insn pair.
7905 (emit_cmp_and_jump_insn): Use prepare_cmp_insn and
7906 emit_cmp_and_jump_insn_1. Call emit_queue.
7907 (emit_cmp_insn): Just call emit_cmp_and_jump_insns with zero for LABEL
7909 * flow.c (tidy_fallthru_edge): If HAVE_cc0, verify insn before a
7910 jump sets cc0 before deleting it.
7911 * integrate.c (expand_inline_function): Likewise.
7912 * unroll.c (unroll_loop): Similar changes in several places.
7913 (copy_loop_body): If HAVE_cc0, verify insn before a jump sets cc0
7916 Wed Aug 18 06:37:44 1999 Bernd Schmidt <bernds@cygnus.co.uk>
7918 * Makefile.in (insn-recog.o): Update dependencies.
7919 * genrecog.c (main): Make generated file include "function.h".
7921 Sat Aug 14 00:54:57 1999 Geoffrey Keating <geoffk@cygnus.com>
7923 * cse.c (cse_insn): Call never_reached_warning when a jump is
7924 changed to be unconditional.
7925 * flags.h: Declare warn_notreached.
7926 * flow.c (delete_block): Call never_reached_warning when
7928 * jump.c (delete_barrier_successors): Call never_reached_warning
7929 when we delete everything after a BARRIER.
7930 (never_reached_warning): New function.
7931 * rtl.h: Declare never_reached_warning.
7932 * toplev.c (warn_notreached): New variable.
7933 (lang_independent_options): Set warn_notreached
7934 when -Wunreachable-code.
7935 (compile_file): We need line numbers for -Wunreachable-code.
7937 Tue Aug 17 22:06:11 1999 Jan Hubicka <hubicka@freesoft.cz>
7939 * haifa-sched.c (insn_unit): Fix typo on out of range test.
7940 * sched.c (insn_unit): Likewise.
7942 Tue Aug 17 21:57:23 1999 Andreas Schwab <schwab@suse.de>
7944 * combine.c (distribute_notes): Handle REG_EH_RETHROW.
7946 Tue Aug 17 17:39:43 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
7948 * flow.c (create_edge_list): Use xmalloc, not malloc.
7950 Tue Aug 17 01:40:54 1999 Loren Rittle <ljrittle@acm.org>
7952 * fixinc/inclhack.def (no_double_slash): Do not trash single-line
7953 C-style comments. Do not lose the character before double slash.
7955 Mon Aug 16 18:08:22 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
7957 * basic-block.h (struct edge_list): Stucture to maintain a vector
7959 (EDGE_INDEX_NO_EDGE, EDGE_INDEX, INDEX_EDGE_PRED_BB, INDEX_EDGE_SUCC_BB,
7960 INDEX_EDGE, NUM_EDGES): New Macros for accessing edge list.
7961 (create_edge_list, free_edge-List, print_edge_list, verify_edge_list):
7962 New function prototypes.
7963 * flow.c (create_edge_list): Function to create an edge list.
7964 (free_edge_list): Discards memory used by an edge list.
7965 (print_edge_list): Debug output showing an edge list.
7966 (verify_edge_list): Internal consistency check for an edge list.
7967 (find_edge_index): Function to find an edge index for a pred and succ.
7969 Mon Aug 16 11:56:36 1999 Mark Mitchell <mark@codesourcery.com>
7971 * tree.c (type_hash_add): Use permalloc to allocate nodes in the
7974 Mon Aug 16 17:04:15 1999 Jorn Rennecke <amylaar@cygnus.co.uk>
7976 * mips.h (CLASS_CANNOT_CHANGE_SIZE): Define.
7978 Fri Aug 13 15:20:43 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
7980 * config/i386/freebsd.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
7982 Fri Aug 13 10:21:28 1999 Nick Clifton <nickc@cygnus.com>
7984 * toplev.c (rest_of_compilation): Allow machine dependent
7985 reorganisation pass to place information into the RTL dump
7986 file if it so wishes.
7988 Sun Aug 15 12:41:21 1999 Jim Wilson <wilson@cygnus.com>
7990 * explow.c (hard_function_value): Use VOIDmode instead of
7992 * stmt.c (expand_return): Likewise.
7993 * stor-layout.c (get_best_mode): Likewise.
7995 * genemit.c (gen_expand): If next is MATCH_PAR_DUP, then output
7996 emit call instead of emit_insn call.
7998 Sat Aug 14 15:04:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
8000 * configure.in: Handle --disable/enable-win32-registry.
8001 * install.texi: Document --disable/enable-win32-registry.
8002 * acconfig.h (ENABLE_WIN32_REGISTRY): New macro.
8003 (WIN32_REGISTRY_KEY): New macro.
8004 * prefix.c: Use to enable/disable win32-specific code.
8005 (lookup_key): Use versioned key.
8006 * configure: Regenerate.
8007 * config.in: Likewise.
8009 Fri Aug 13 17:41:55 1999 Jason Merrill <jason@yorick.cygnus.com>
8011 * cpplib.c (read_line_number): New fn, split out of...
8014 Fri Aug 13 14:18:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
8016 tree.c (lang_unsave_expr_now) : New.
8017 (unsave_expr_now): Call lang_unsave_expr_now.
8018 tree.h (lang_unsave_expr_now) : New.
8020 Fri Aug 13 00:49:46 1999 Jason Merrill <jason@yorick.cygnus.com>
8022 * toplev.c (flag_new_exceptions): On by default.
8024 1999-08-13 Michael Meissner <meissner@cygnus.com>
8026 * Makefile.in (GCC_FOR_TARGET): Move -B./ after the tooldir -B.
8028 Fri Aug 13 01:29:57 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
8030 * dwarfout.c (fundamental_type_code): Return FT_boolean for
8031 INTEGER_TYPE with precision==1, it's __java_boolean.
8033 Thu Aug 12 23:51:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
8035 * global.c (prune_preferences): Move some invariants out of the
8038 Thu Aug 12 15:30:29 1999 Jesse Perry (jap@unx.dec.com)
8040 * configure.in (alpha*-dec-osf*): Add osf5.
8042 Sun Aug 1 22:24:03 1999 Philip Blundell <philb@gnu.org>
8044 * configure.in: Rework handling of ARM GNU/Linux slightly.
8045 (arm*-*-linux-gnuoldld): New target.
8046 * configure: Regenerate.
8047 * install.texi (Configurations): Add arm-*-linux-gnu{oldld} and
8048 arm-*-elf. Mention that arm-*-linux-gnuaout is obsolete.
8049 * config/arm/linux-oldld.h: New file.
8050 * config/arm/linux-elf26.h: Don't include linux-elf.h.
8051 (TARGET_DEFAULT, SUBTARGET_LINK_SPEC, SUBTARGET_EXTRA_ASM_SPEC):
8053 * config/arm/linux-elf.h (ASM_SPEC): Define.
8054 (TARGET_DEFAULT, SUBTARGET_EXTRA_LINK_SPEC,
8055 SUBTARGET_EXTRA_ASM_SPEC, CPP_APCS_PC_DEFAULT): Add definitions
8056 for 26-bit APCS and old linker.
8057 (CPP_PREDEFINES): Define `__arm__'; don't define `arm' or
8059 (FP_DEFAULT): Define to FP_SOFT3 for all machines.
8060 * config/arm/linux-aout.h (CPP_PREDEFINES): Define `__arm__';
8061 don't define `arm' or `arm_elf'.
8062 * config/arm/t-linux (EXTRA_MULTILIB_PARTS, MULTILIB_OPTIONS,
8063 MULTILIB_DIRNAMES): Define. Fix typo in comment.
8065 Thu Aug 12 10:14:47 1999 Andreas Schwab <schwab@suse.de>
8067 * rtl.texi: Fix typo.
8069 Wed Aug 11 23:50:57 1999 Jason Merrill <jason@yorick.cygnus.com>
8071 * invoke.texi (C++ Dialect Options): Add -fms-extensions.
8073 Wed Aug 11 12:59:37 1999 Mark Mitchell <mark@codesourcery.com>
8075 * extend.texi (C++ Signatures): Remove node.
8076 * invoke.texi: Remove discussion of -fhandle-signatures,
8077 signature, sigof, __signature__, and __sigof__.
8079 Wed Aug 11 03:38:25 1999 Jeffrey A Law (law@cygnus.com)
8081 * Makefile.in (JAVAGC): Removed.
8083 Wed Aug 11 02:13:26 1999 Mumit Khan <khan@xraylith.wisc.edu>
8085 * i386/cygwin.h (ASM_OUTPUT_ALIGNED_BSS): Define.
8087 1999-08-11 Mark Elbrecht <snowball3@bigfoot.com>
8089 * i386/djgpp.h (ASM_OUTPUT_ALIGNED_BSS): Define.
8091 1999-08-11 Richard Earnshaw (rearnsha@arm.com)
8093 * emit-rtl.c (mark_reg_pointer): Don't increase the alignment of
8094 a register that is already known to be a pointer.
8096 1999-08-11 Bruce Korb <ddsinc09@ix.netcom.com>
8098 * fixinc/inclhack.tpl: Only install assert.h conditionally.
8099 * fixinc/inclhack.sh: Regenerated.
8100 * fixinc/fixincl.sh: Regenerated.
8102 Wed Aug 11 00:34:22 1999 Joe Buck <jbuck@synopsys.com>
8104 * invoke.texi: s/GNU CC/GCC/ for consistency with gcc.texi.
8105 Fix documentation of -ansi flag to describe its C++ behavior.
8106 Remove bogus reference to GCC 2.9.
8108 Tue Aug 10 17:19:02 1999 Jim Wilson <wilson@cygnus.com>
8110 * config/sh/sh.c (machine_dependent_reorg): Only call PUT_MODE on
8111 note if it is non-NULL.
8113 Tue Aug 10 10:47:42 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
8115 * except.h (eh_nesting_info): Add new structure defintion.
8116 (init_eh_nesting_info, free_eh_nesting_info): Add function prototypes.
8117 (reachable_handlers, update_rethrow_references): Add function
8119 * rtl.h (struct rtvec_def): Update comments. REG_EH_RETHROW takes
8120 a rethrow symbol instead of an integer exception region number.
8121 * flow.c (Make_edges): Use new exception nesting routines to determine
8122 which handlers are reachable from a CALL or asynchronous insn.
8123 Dont add an edge for calls with a REG_EH_REGION of -1 to non-local
8125 (delete_eh_regions): Update rethrow labels, and don't delete
8126 regions which are the target of a rethrow.
8127 * except.c (struct func_eh_entry): Add rethrow_ref field, now we can
8128 avoid overloading the SYMBOL_REF_USED flag.
8129 (rethrow_symbol_map): Use new rethrow_ref field.
8130 (rethrow_used): Use new rethrow_ref field.
8131 (expand_rethrow): REG_EH_RETHROW now has a SYMBOL_REF instead
8132 of an integer. Fix formatting.
8133 (output_exception_table_entry): Use new rethrow_ref field.
8134 (can_throw): Check for EH_REGION_NOTE before deciding
8135 whether a CALL can throw or not.
8136 (scan_region): Call rethrow_used() instead of accessing data structure.
8137 (update_rethrow_references): New function to make sure only regions
8138 which are still targets of a rethrow are flagged as such.
8139 (process_nestinfo): New static function to initialize a handler
8140 list for a specific region.
8141 (init_eh_nesting_info): New function to allocate and initialize
8142 the list of all EH handlers reachable from all regions.
8143 (reachable_handlers): New function to retrieve the list of handlers
8144 reachable from a specific region and insn.
8145 (free_eh_nesting_info): New function to dispose of a list of
8148 Tue Aug 10 10:39:31 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
8150 * flow.c (split_edge): Set JUMP_LABEL field.
8151 (commit_one_edge_insertion): Set head correctly for insert_before.
8152 When inserting insns, update insn block numbers if allocated.
8154 Tue Aug 10 09:26:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8156 * dwarf2out.c (dwarf2out_frame_debug_expr, add_incomplete_type,
8157 retry_incomplete_types): Add static prototype.
8158 (stripattributes, dwarf_cfi_name, ASM_OUTPUT_DWARF_STRING,
8159 dwarf_tag_name, dwarf_attr_name, dwarf_form_name,
8160 dwarf_stack_op_name, dwarf_type_encoding_name, add_AT_string,
8161 dwarf2_name, add_name_attribute, lookup_filename, dwarf2out_line,
8162 dwarf2out_start_source_file, dwarf2out_define, dwarf2out_undef):
8165 * dwarf2out.h (dwarf2out_define, dwarf2out_undef,
8166 dwarf2out_start_source_file, dwarf2out_line): Likewise.
8168 Tue Aug 10 09:21:46 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8170 * output.h (assemble_name): Constify a char*.
8172 * varasm.c (UNIQUE_SECTION, assemble_start_function,
8173 assemble_variable, assemble_name): Likewise.
8175 * dwarf2out.c (ASM_NAME_TO_STRING): Likewise.
8177 * arm/pe.c (arm_pe_unique_section): Likewise.
8179 * i386/cygwin.h (STRIP_NAME_ENCODING): Likewise.
8181 * i386/i386-interix.h (STRIP_NAME_ENCODING): Likewise.
8183 * i386/interix.c (i386_pe_unique_section): Likewise.
8185 * i386/win32.h (STRIP_NAME_ENCODING): Likewise.
8187 * i386/winnt.c (i386_pe_unique_section): Likewise.
8189 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
8191 * mn10200/mn10200.h (ASM_OUTPUT_LABELREF): Likewise.
8193 * mn10300/mn10300.h (ASM_OUTPUT_LABELREF): Likewise.
8195 * pa/pa.c (output_call): Likewise.
8197 * pa/pa.h (ASM_OUTPUT_MI_THUNK): Likewise.
8199 * pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Likewise.
8201 * rs6000/rs6000.c (rs6000_output_load_toc_table, output_toc):
8204 * rs6000/rs6000.h (RS6000_OUTPUT_BASENAME, STRIP_NAME_ENCODING):
8207 * rs6000/sol2.h (ASM_OUTPUT_SOURCE_LINE): Likewise.
8209 * rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME, ASM_OUTPUT_INT,
8210 STRIP_NAME_ENCODING, ASM_OUTPUT_LABELREF): Likewise.
8212 * v850/v850.h (ASM_OUTPUT_LABELREF): Likewise.
8214 Mon Aug 9 19:54:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8216 * real.c (GET_REAL, PUT_REAL): Use memcpy instead of bcopy.
8218 Mon Aug 9 19:36:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8220 * tree.h (lang_identify): Constify a char*.
8221 (print_error_function): Add extern prototype. Constify a char*.
8223 * c-lang.c (lang_identify): Constify a char*.
8225 * objc/objc-act.c (lang_identify): Constify a char*.
8227 Mon Aug 9 16:21:53 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8229 * genpeep.c (main): Make generated file include "function.h".
8230 * arm.c (function_really_clobbers_lr): Delete INLINE_HEADER case.
8232 Mon Aug 9 10:08:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8234 * Makefile.in: Update dependencies.
8235 * alias.c: Include "function.h"
8236 * c-decl.c: Likewise.
8237 * caller-save.c: Likewise.
8238 * calls.c: Likewise.
8239 * combine.c: Likewise.
8241 * explow.c: Likewise.
8242 * final.c: Likewise.
8243 * global.c: Likewise.
8244 * graph.c: Likewise.
8245 * local-alloc.c: Likewise.
8247 * optabs.c: Likewise.
8248 * profile.c: Likewise.
8249 * recog.c: Likewise.
8250 * regclass.c: Likewise.
8251 * regmove.c: Likewise.
8252 * reload.c: Likewise.
8253 * reorg.c: Likewise.
8254 * resource.c: Likewise.
8255 * sched.c: Likewise.
8256 * stupid.c: Likewise.
8257 * config/1750a/1750a.c: Likewise.
8258 * config/a29k/a29k.c: Likewise.
8259 * config/arc/arc.c: Likewise.
8260 * config/arm/arm.c: Likewise.
8261 * config/arm/thumb.c: Likewise.
8262 * config/c4x/c4x.c: Likewise.
8263 * config/clipper/clipper.c: Likewise.
8264 * config/convex/convex.c: Likewise.
8265 * config/fx80/fx80.c: Likewise.
8266 * config/i860/i860.c: Likewise.
8267 * config/m68k/m68k.c: Likewise.
8268 * config/m88k/m88k.c: Likewise.
8269 * config/mips/mips.c: Likewise.
8270 * config/pdp11/pdp11.c: Likewise.
8271 * config/pyr/pyr.c: Likewise.
8272 * config/romp/romp.c: Likewise.
8273 * config/sh/sh.c: Likewise.
8274 * config/tahoe/tahoe.c: Likewise.
8275 * config/vax/vax.c: Likewise.
8276 * config/we32k/we32k.c: Likewise.
8277 * config/sparc/sparc.c: Include "function.h".
8278 (mem_min_alignment): Test current_function rather than
8279 regno_pointer_align.
8280 * config/pa/pa.c: Likewise.
8281 (compute_frame_size): Delete declaration of
8282 current_function_outgoing_args_size.
8283 * config/arc/arc.h (current_function_varargs): Delete declaration.
8284 * config/elxsi/elxsi.h (current_function_calls_alloca): Delete
8286 * config/i370/i370.h (current_function_outgoing_args_size): Delete
8288 * config/i386/i386.h (FINALIZE_PIC): Delete declaration of
8289 current_function_uses_pic_offset_table.
8290 * config/m68k/a-ux.h (FUNCTION_EXTRA_EPILOGUE): Delete declaration
8291 of current_function_returns_pointer.
8292 * config/m68k/altos3068.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
8293 * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
8294 * config/m68k/m68kv4.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
8295 * config/m68k/mot3300.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
8296 * config/m68k/pbb.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
8297 * config/m68k/tower-as.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
8298 * config/m88k/m88k.c: Include "function.h"
8299 (call_used_regs, current_function_pretend_args_size,
8300 current_function_outgoing_args_size, frame_pointer_needed): Delete
8302 * config/m88k/m88k.h (current_function_pretend_args_size): Delete
8304 * config/mips/mips.h (current_function_calls_alloca): Delete
8306 * config/mn10200/mn10200.h (current_function_needs_context,
8307 rtx_equal_function_value_matters): Delete declarations.
8308 * config/ns32k/ns32k (current_function_uses_pic_offset_table,
8309 flag_pic): Delete declarations.
8310 * config/pa/pa.h (current_function_pretend_args_size,
8311 current_function_decl): Delete declarations.
8312 * config/pa/som.h (current_function_varargs): Delete declaration.
8313 * config/pdp11/pdp11.h (current_function_pretend_args_size): Delete
8315 * config/pyr/pyr.h (current_function_pretend_args_size,
8316 current_function_args_size, current_function_calls_alloca): Delete
8318 * config/sh/sh.h (current_function_varargs): Delete declaration.
8319 * config/sparc/sparc.h (current_function_outgoing_args_size,
8320 current_function_calls_alloca, current_function_decl): Delete
8322 * config/spur/spur.h (current_function_pretend_args_size,
8323 current_function_calls_alloca): Delete declarations.
8324 * config/v850/v850.c (current_function_outgoing_args_size): Delete
8326 * config/vax/vms.h (current_function_name): Delete declaration.
8327 * gcse.c: Include "function.h".
8328 (current_function_name, current_function_calls_setjmp): Delete
8330 * haifa-sched.c: Include "function.h".
8331 (forced_labels): Delete declaration.
8333 * reg-stack.c: Likewise.
8334 * reload1.c: Likewise.
8335 * genemit.c (main): Make generated file include function.h.
8336 * genoutput.c (output_prologue): Likewise.
8338 * builtins.c (saveregs_value, apply_args_value): Delete variables.
8339 * emit-rtl.c (reg_rtx_no, first_label_num, first_insn, last_insn,
8340 sequence_rtl_expr, cur_insn_uid, last_linenum, last_filename,
8341 regno_pointer_flag, regno_pointer_flag_length, regno_pointer_align,
8342 regno_reg_rtx, sequence_stack): Delete variables. Add accessor
8343 macros for some of them.
8344 (emit_filename, emit_lineno): Delete declarations.
8345 (gen_reg_rtx): Use memset/memcpy instead of bzero/bcopy. Access
8346 regno_pointer_* variables through current_function.
8347 (gen_inline_header_rtx): Delete function.
8348 (save_emit_status): Delete function.
8349 (set_new_last_label_num): New function.
8350 (clear_emit_caches): New function.
8351 (restore_emit_status): Just clear last_labelnum and call
8353 (get_last_insn_anywhere): Variable sequence_stack is now accessed
8354 through macro seq_stack.
8355 (add_insn_after): Likewise.
8356 (add_insn_before): Likewise.
8357 (remove_insn): Likewise.
8358 (pop_topmost_sequence): Likewise.
8359 (in_sequence_p): Likewise.
8360 (start_sequence_for_rtl_expr): Likewise.
8361 (start_sequence): Likewise, and likewise for
8362 sequence_rtl_expr/seq_rtl_expr.
8363 (push_topmost_sequence): Likewise.
8364 (end_sequence): Likewise.
8365 (init_virtual_regs): Now takes a "struct emit_status *" argument.
8366 All callers changed. Store into that pointer instead of globals.
8367 (init_emit): Allocate emit elt of current_function.
8368 Changes for sequence_rtl_expr/sequence_stack renaming.
8369 Call clear_emit_caches instead of doing it in-line.
8370 Access regno_pointer_* variables through current_function.
8371 (init_emit_once) Don't clear sequence_stack.
8373 * expr.c (pending_stack_adjust, inhibit_defer_pop, pending_chain):
8375 (arg_pointer_save_area): Delete declaration.
8376 (finish_expr_for_function): Renamed from init_queue; no longer static.
8377 (init_expr): Don't call init_queue.
8378 (save_expr_status, restore_expr_status): Delete functions.
8379 (expand_expr): Changes to reflect new layout of struct function.
8380 Don't access current_function_check_memory_usage when current_function
8382 * expr.h (forced_labels, save_expr_regs, saveregs_value,
8383 apply_args_value, current_function_calls_alloca, inhibit_defer_pop,
8384 current_function_outgoing_args_size, current_function_arg_offset_rtx,
8385 current_function_uses_const_pool, function_call_count,
8386 current_function_uses_pic_offset_table, nonlocal_labels,
8387 current_function_internal_arg_pointer, nonlocal_goto_stack_level,
8388 current_function_check_memory_usage, nonlocal_goto_handler_slots,
8389 pending_stack_adjust, target_temp_slot_level, temp_slot_level): Delete
8391 (finish_expr_for_function): Declare.
8392 * flags.h (current_function_has_nonlocal_label,
8393 current_function_has_nonlocal_goto, current_function_is_thunk,
8394 current_function_has_computed_jump): Delete declarations.
8395 * flow.c (forced_labels): Delete declaration.
8396 * function.c (current_function_pops_args,
8397 current_function_returns_struct, current_function_returns_pcc_struct,
8398 current_function_needs_context, current_function_calls_setjmp,
8399 current_function_calls_longjmp, current_function_has_nonlocal_label,
8400 current_function_has_nonlocal_goto, current_function_is_thunk,
8401 current_function_has_computed_jump, current_function_calls_alloca,
8402 current_function_contains_functions, current_function_returns_pointer,
8403 current_function_epilogue_delay_list, current_function_args_size,
8404 current_function_pretend_args_size, current_function_arg_offset_rtx,
8405 current_function_outgoing_args_size, current_function_varargs,
8406 current_function_stdarg, current_function_args_info, cleanup_label,
8407 current_function_name, current_function_uses_const_pool,
8408 current_function_instrument_entry_exit, current_function_return_rtx,
8409 current_function_uses_pic_offset_table, nonlocal_labels,
8410 current_function_internal_arg_pointer, current_function_cannot_inline,
8411 current_function_check_memory_usage, function_call_count,
8412 nonlocal_goto_handler_slots, nonlocal_goto_handler_labels,
8413 nonlocal_goto_stack_level, return_label, save_expr_regs,
8414 stack_slot_list, rtl_expr_chain, tail_recursion_label, temp_slots,
8415 tail_recursion_reentry, arg_pointer_save_area, frame_offset,
8416 context_display, trampoline_list, parm_birth_insn, invalid_stack_slot,
8417 last_parm_insn, max_parm_reg, parm_reg_stack_loc, sequence_rtl_expr,
8418 temp_slot_level, var_temp_slot_level, target_temp_slot_level):
8420 (push_function_context_to): Don't save them. Don't call
8421 save_storage_status, save_emit_status or save_expr_status.
8422 (pop_function_context_from): Don't restore them. Don't call
8423 restore_storage_status or restore_expr_status.
8424 (get_func_frame_size): New function.
8425 (get_frame_size): Use it.
8426 (assign_outer_stack_local): Reflect some member name changes in struct
8428 (put_reg_into_stack): Likewise.
8429 (assign_stack_temp_for_type): sequence_rtl_expr was renamed to
8431 (fixup_var_refs): Likewise.
8432 (fix_lexical_addr): Likewise.
8433 (trampoline_address): Likewise.
8434 (prepare_function_start): Clear field inlinable of current_function.
8435 (init_function_for_compilation): New function.
8436 (expand_dummy_function_end): New function.
8437 (expand_function_end): Call finish_expr_for_function.
8438 * function.h (struct emit_status): New; fields moved here from struct
8439 function and from global variables. Add accessor macros for some of
8441 (struct expr_status): Likewise.
8442 (REGNO_POINTER_ALIGN, REGNO_POINTER_FLAG): Moved here from regs.h.
8443 (struct function): Add fields expr and emit, inlinable, inl_emit,
8444 original_arg_vector, original_decl_initial, inl_last_parm_insn,
8445 inl_max_label_num. Add many comments.
8446 Add accessor macros for all elts of struct function that no longer
8447 have a global variable.
8448 (cleanup_label, return_label, frame_offset, tail_recursion_label,
8449 tail_recursion_reentry, arg_pointer_save_area, rtl_expr_chain,
8450 stack_slot_list): Delete declarations.
8451 (get_func_frame_size): Declare.
8452 (save_expr_status, restore_expr_status, save_emit_status,
8453 save_storage_status, restore_storage_status): Delete declarations.
8454 (init_virtual_regs): Declare.
8455 * output.h (current_function_pops_args,
8456 current_function_returns_struct, current_function_returns_pcc_struct,
8457 current_function_needs_context, current_function_calls_setjmp,
8458 current_function_calls_longjmp, current_function_calls_alloca,
8459 current_function_has_nonlocal_label, current_function_varargs,
8460 current_function_has_computed_jump, current_function_returns_pointer,
8461 current_function_contains_functions, current_function_args_size,
8462 current_function_pretend_args_size, current_function_stdarg,
8463 current_function_outgoing_args_size, current_function_args_info,
8464 current_function_name, current_function_return_rtx,
8465 current_function_epilogue_delay_list,
8466 current_function_uses_const_pool, current_function_cannot_inline):
8467 Delete declarations.
8468 * regs.h (reg_rtx_no, regno_pointer_flag, regno_pointer_flag_length,
8469 regno_reg_rtx): Delete declaration.
8470 (REGNO_POINTER_FLAG): Delete macro.
8471 * stmt.c (expand_goto): Changes to reflect that some fields in struct
8472 function were renamed.
8473 * stor-layout.c (save_storage_status, restore_storage_status): Delete
8475 * toplev.c: Include "function.h".
8476 (current_function_decl): Delete declaration.
8477 (compile_file): Call init_dummy_function_start and
8478 expand_dummy_function_end around some initializations that need to
8480 (rest_of_compilation): Use DECL_SAVED_INSNS properly.
8481 Call init_function_for_compilation.
8482 * unroll.c: Include "function.h"
8483 (unroll_loop): Access regno_pointer_* variables through
8486 * tree.h (struct tree_decl): Add elt f to saved_insns member.
8487 (DECL_SAVED_INSNS): use it.
8488 (expand_dummy_function_end): Declare.
8489 (init_function_for_compilation): Declare.
8490 * calls.c (calls_function_1): Change use of DECL_SAVED_INSNS now
8491 that it's no longer an INLINE_HEADER.
8492 (expand_call): Likewise.
8493 * integrate.c (finish_inline): Delete function.
8494 (max_parm_reg, parm_reg_stack_loc): Delete declarations.
8495 (initialize_for_inline): Delete min_labelno, max_labelno and max_reg
8496 args. Don't generate an INLINE_HEADER rtx, just return the arg
8497 vector. All callers changed.
8498 (save_for_inline_copying): Create a duplicate struct emit_status to
8499 hold the emit state for compiling the current function. Use this and
8500 the other new fields in struct function that are for integration
8501 instead of an INLINE_HEADER.
8502 Use memcpy instead of bcopy.
8503 Store the current struct function in DECL_SAVED_INSNS of fndecl.
8504 (save_for_inline_nocopy): Similar changes, except no new emit_status
8506 (expand_inline_function): Get information from function structure,
8507 not from an inline header rtx.
8508 (output_inline_function): Lose code to extract the necessary
8509 information from an inline header; simply put back the function
8510 structure into current_function. Clear its inlinable elt.
8511 * rtl.def (INLINE_HEADER): Delete.
8512 * rtl.h: Delete all accessors for an INLINE_HEADER.
8513 (gen_inline_header_rtx): Delete declaration.
8514 (regno_reg_rtx, regno_pointer_align, nonlocal_goto_handler_labels):
8515 Delete declarations.
8516 (REGNO_POINTER_ALIGN): Delete.
8517 (clear_emit_caches): Declare.
8518 (set_new_last_label_num): Declare.
8520 Mon Aug 9 01:52:24 1999 Jason Merrill <jason@yorick.cygnus.com>
8522 * print-tree.c (print_node): Print base for OFFSET_TYPEs.
8524 * except.c (expand_eh_region_start_for_decl): Always start a new block.
8525 * stmt.c (is_eh_region): Make sure current_function is present, too.
8527 Mon Aug 9 01:15:24 1999 Jeffrey A Law (law@cygnus.com)
8529 * pa.h (HARD_REGNO_MODE_OK): Correctly handle FPregs, even when
8530 for 64bit PA targets.
8532 * pa.h (SELECT_SECTION): Define.
8533 * som.h (SELECT_SECTION): Delete.
8535 Sun Aug 8 15:13:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8537 * alias.c (init_alias_analysis): Wrap call to
8538 `prologue_epilogue_contains' within HAVE_prologue||HAVE_epilogue.
8540 1999-08-07 Bruce Korb <autogen@linuxbox.com>
8542 * fixinc/inclhack.def(irix_asm_apostrophe): IRIX 5.2's
8543 <sys/asm.h> contains an asm comment with an apostrophe
8544 * fixinc/inclhack.sh: regen
8545 * fixinc/fixincl.x: regen
8547 Sat Aug 7 19:37:07 1999 Richard Henderson <rth@cygnus.com>
8549 * function.c (init_function_start): Clear prologue & epilogue.
8550 (prologue_epilogue_contains): New function.
8551 * alias.c (init_alias_analysis): Use it.
8552 * rtl.h (prologue_epilogue_contains): Declare it.
8554 Sat Aug 7 19:32:16 1999 Richard Henderson <rth@cygnus.com>
8556 * jump.c (onlyjump_p): New function.
8557 * rtl.h: Declare it.
8558 * flow.c (delete_unreachable_blocks): Use onlyjump_p instead
8559 of condjump_p in calling tidy_fallthru_edge and merge_blocks.
8561 Sat Aug 7 17:09:36 1999 Richard Henderson <rth@cygnus.com>
8563 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_REG_SET
8564 to invert loops. Simplify block scanning.
8566 Sat Aug 7 02:11:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8568 * gcse.c (hash_scan_set): Treat SYMBOL_REFs like CONST_INTs.
8569 (cprop_insn): Treat SYMBOL_REFs like CONST_INTs.
8571 1999-08-07 Jonathan Larmour <jlarmour@cygnus.co.uk>
8573 * config/sparc/liteelf.h: New file to support sparclite-elf target
8574 * config/sparc/t-sp86x: New file to support sparc86x targets
8575 * config/sparc/sp86x-aout.h: New file to support sparc86x-aout target
8576 * config/sparc/sp86x-elf.h: New file to support sparc86x-elf target
8577 * configure.in: Support above target triplets
8578 * configure: Regenerated
8580 Sat Aug 7 01:39:27 1999 Philippe De Muyter <phdm@macqel.be>
8582 * fixinc/server.c (server_setup): Do not prefix function used as
8585 Sat Aug 7 00:21:20 1999 Richard Henderson <rth@cygnus.com>
8587 * alpha.md (movhi and movqi patterns): Correct predicate for !BWX.
8588 Remove fp reg alternatives.
8590 Sat Aug 7 00:06:54 1999 Jeffrey A Law (law@cygnus.com)
8592 * Makefile.in (TAROUTOPTS): Kill.
8593 (install-headers-tar): Use "xpf" for tar headerfile extraction
8594 * i370/x-oe (TAROUTOPTS): Delete.
8595 * m68k/x-apollo68 (TAROUTOPTS): Delete.
8596 * m68k/x-hp320 (TAROUTOPTS): Delete.
8597 * m68k/x-hp320g (TAROUTOPTS): Delete.
8598 * gcc.texi: Update bug reporting text.
8600 1999-08-6 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8602 * reg-stack.c (change_stack) Fixed problem with negative array index.
8604 Fri Aug 6 23:08:44 1999 Jeffrey A Law (law@cygnus.com)
8606 * extend.texi, install.texi: Fix spelling mistakes.
8608 * Makefile.in (PREMADE_ATTRTAB_MD, PREMADE_ATTRTAB): Delete.
8609 (s-attrtab); No longer try to use pre-made insn-attrtab file.
8610 * mips/t-bsd: Delete references to obsolete PREMADE_ATTRTAB and
8612 * mips/t-ecoff: Likewise.
8613 * mips/t-elf: Likewise.
8614 * mips/t-mips: Likewise.
8615 * mips/t-osfrose: Likewise.
8616 * mips/t-r3900: Likewise.
8617 * mips/t-svr3: Likewise.
8618 * mips/t-svr4: Likewise.
8619 * mips/t-ultrix: Likewise.
8621 * gcc.texi: Document recommend means to provide software floating
8622 point libraries in libgcc.a
8624 1999-08-06 Jason Merrill <jason@yorick.cygnus.com>
8626 * c-lex.c (yylex): We can have a number with no digits.
8628 Fri Aug 6 16:53:55 EDT 1999 John Wehle (john@feith.com)
8630 * jump.c (delete_prior_computation): New function, broken
8631 out of delete_computation. Check for side effects with
8632 side_effects_p instead of FIND_REG_INC_NOTE. Handle
8633 multi-word hard registers.
8634 (delete_computation): Use it. Check for side effects with
8635 side_effects_p instead of FIND_REG_INC_NOTE. Synthesize a
8636 missing REG_DEAD note for a register which is both set and
8639 Fri Aug 6 11:05:29 1999 Jeffrey A Law (law@cygnus.com)
8641 * elf.h (TEXT_SPACE_P, FUNCTION_NAME_P): Delete.
8642 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT): Likewise.
8643 (ASM_FILE_START): Import _mcount with the right type.
8644 (ASM_DECLARE_FUNCTION_NAME): Define.
8645 (ASM_OUTPUT_EXTERNAL, ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
8646 * pa.c (output_function_prologue): Always emit the function's label
8648 * pa.h (TEXT_SPACE_P): Define.
8649 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
8650 (ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT, ASM_GLOBALIZE_LABEL): Likewise.
8651 * som.h (TEXT_SPACE_P): Delete.
8652 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
8653 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT): Likewise.
8655 Thu Aug 5 19:29:39 1999 Jim Wilson <wilson@cygnus.com>
8657 * expr.c (emit_group_load): Allow src to be a CONCAT.
8659 Thu Aug 5 22:27:15 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
8661 * config/sh/lib1funcs.asm (___movstrSI0): Change or r0,r0,r0 to nop.
8662 (___mulsi3): Use '!' comment character.
8664 Thu Aug 5 13:34:14 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8666 * reload1.c (maybe_fix_stack_asms): Also declare P as "const char *".
8668 Thu Aug 5 02:40:42 1999 Jeffrey A Law (law@cygnus.com)
8670 * gcc.c: Update URLs and mail addresses.
8671 * gcc.texi: Likewise.
8673 Thu Aug 5 01:14:13 1999 Daniel Jacobowitz <drow@false.org>
8675 * rs6000.c (current_file_function_operand): Return zero for
8677 (rs6000_encode_section_info): Do not set SYMBOL_REF_FLAG for
8679 * rs6000.h (ENCODE_SECTION_NIFO): Do not set SYMBOL_REF_FLAG
8682 Thu Aug 5 00:56:30 1999 Geoffrey Keating <geoffk@cygnus.com>
8684 * rs6000.c (rs6000_stack_info): For ABI_V4/ABI_SOLARIS -fpic, always
8685 allocate space in the stack frame for the PIC register.
8687 Thu Aug 5 00:20:47 1999 Jeffrey A Law (law@cygnus.com)
8689 * m68k.md (xordi3, anddi3): These patterns are not available on
8692 Wed Aug 4 23:39:20 1999 Mark Mitchell <mark@codesourcery.com>
8694 * real.c (GET_REAL): Don't violate ANSI/ISO aliasing rules.
8695 (PUT_REAL): Likewise.
8697 Wed Aug 4 20:45:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
8699 * final.c (shorten_branches): Don't add an alignment for loops
8700 that have no label inside.
8702 Wed Aug 4 16:39:24 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8704 * builtins.c (expand_builtin_memcmp, expand_builtin_strcmp): Wrap
8705 prototypes in macro HAVE_cmpstrsi.
8707 * cpplib.c (cpp_get_token): Remove unused label `op3'.
8709 * emit-rtl.c (operand_subword): Remove unused variable
8712 * rtl.c (shallow_copy_rtx): Remove unused variable `format_ptr'.
8714 * tree.c (chainon): Wrap variable `t2' in macro ENABLE_CHECKING.
8716 Wed Aug 4 13:29:23 1999 Zack Weinberg <zack@bitmover.com>
8718 * cpphash.c (macroexpand): Delete leading whitespace when arg
8719 is concatenated before.
8720 (unsafe_chars): Correct test for whether + and - can extend a
8723 * cppinit.c (cpp_start_read): Do dependencies for
8724 -include/-imacros files also.
8726 * cpplib.c (cpp_scan_buffer): In no-output mode, don't bother
8727 tokenizing non-directive lines.
8728 (cpp_expand_to_buffer): Temporarily disable no-output mode.
8729 * cppmain.c: In no-output mode, just call cpp_scan_buffer for
8732 Wed Aug 4 12:53:44 1999 Jason Merrill <jason@yorick.cygnus.com>
8734 * expr.c (expand_expr, case PLUS_EXPR): Fix parallel case, too.
8736 * c-lex.c: Sync with C++ frontend.
8737 (linemode): New variable.
8738 (parse_float): imag, conversion_errno, and type are output only.
8739 (yylex): Adjust. Move initial '.' case into main switch.
8741 (handle_generic_pragma): Just deal with tokens.
8742 (readescape): Use ISXDIGIT and ISGRAPH.
8743 * c-parse.in: Add END_OF_LINE token.
8745 * c-lex.c (lang_init): Generalize.
8746 (nextchar): Remove. Replace uses with UNGETC.
8747 (skip_white_space): Handle linemode here. Optimize for cpplib.
8748 (skip_white_space_on_line): Remove.
8749 (extend_token_buffer_to): New fn.
8750 (extend_token_buffer): Use it.
8751 (read_line_number, check_newline): Just deal with tokens.
8752 (token_getch, token_put_back): New fns.
8753 (yylex): Use them. More cpplib optimizations. Simplify.
8755 Wed Aug 4 12:53:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
8756 Jason Merrill <jason@yorick.cygnus.com>
8758 * c-lex.c (init_parse): Set cpp_token to CPP_DIRECTIVE.
8759 (consume_string): Make this smart about USE_CPPLIB.
8760 (check_newline): Rewrite to be intelligent about USE_CPPLIB.
8761 (yylex): Rewrite to be intelligent about USE_CPPLIB.
8762 Also, clean up cases where we redundantly set token_buffer[0].
8763 (read_line_number): New fn.
8764 (ignore_escape_flag): New variable.
8766 Wed Aug 4 13:12:17 1999 Jeffrey A Law (law@cygnus.com)
8768 * a29k/t-a29kbare: Fix some comments.
8769 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
8770 (FPBIT, DPBIT): Define.
8771 * a29k/t-vx29k: Likewise.
8772 * arc/t-arc: Likewise.
8773 * arm/t-arm-elf: Likewise.
8774 * arm/t-bare: Likewise.
8775 * arm/t-pe: Likewise.
8776 * arm/t-pe-thumb: Likewise.
8777 * arm/t-semi: Likewise.
8778 * arm/t-thumb: Likewise.
8779 * arm/t-thumb-elf: Likewise.
8780 * arm/t-thumb-linux: Likewise.
8781 * h8300/t-h8300: Likewise.
8782 * i960/t-i960: Likewise.
8783 * i960/t-vxworks960: Likewise.
8784 * m32r/t-m32r: Likewise.
8785 * mips/t-ecoff: Likewise.
8786 * mips/t-elf: Likewise.
8787 * mips/t-r3900: Likewise.
8788 * pa/t-pro: Likewise.
8789 * rs6000/t-aix43: Likewise.
8790 * rs6000/t-beos: Likewise.
8791 * rs6000/t-newas: Likewise.
8792 * rs6000/t-ppccomm: Likewise.
8793 * rs6000/t-rs6000: Likewise.
8794 * rs6000/t-winnt: Likewise.
8795 * rs6000/t-xnewas: Likewise.
8796 * rs6000/t-xrs6000: Likewise.
8797 * sh/t-sh: Likewise.
8798 * sparc/t-elf: Likewise.
8799 * sparc/t-sparcbare: Likewise.
8800 * sparc/t-sparclite: Likewise.
8801 * sparc/t-splet: Likewise.
8802 * v850/t-v850: Likewise.
8803 * mn10200/t-mn10200: Fix comments.
8804 * mn10300/t-mn10300: Likewise.
8806 * pa.md (divsi3, udivsi3, modsi3, umodsi3 expanders): Clobber a new
8807 dummy operand. Allocate a new pseudo for the dummy operand.
8808 (divsi3, udivsi3, modis3, umodsi3 patterns): Corresponding changes.
8810 * pa.md (movqi, movhi patterns): Do not expose FP regs to regclass.
8812 Wed Aug 4 11:53:55 1999 Tom Tromey <tromey@cygnus.com>
8814 * configure: Rebuilt.
8815 * configure.in: Removed --enable-java-gc option and JAVAGC subst.
8817 Wed Aug 4 09:06:14 1999 Richard Earnshaw (rearnsha@arm.com)
8819 * recog.c (preproces_constraints): Zero recog_op_alt before
8820 processing the constraints.
8822 * arm.c (typedef minipool_node): Renamed from pool_node.
8823 (minipool_vector, minipool_size, minipool_vector_label): Similarly.
8824 (add_minipool_constant): New function.
8825 (dump_minipool): New function.
8826 (find_barrier): Remove special case for getting the insn size of
8827 an insn that references the constant pool.
8828 (minipool_fixup): New structure.
8829 (push_minipool_barrier): New function.
8830 (push_minipool_fix): New function.
8831 (note_invalid_constants): New function.
8832 (add_pool_constant, dump_table, fixit, broken_move): Delete.
8833 (arm_reorg): Rewrite code to fix up the constant pool into a
8834 series of mini-pools embedded in the insn stream.
8835 (arm_output_epilogue): New function, made mainly from the body
8836 of output_func_epilogue.
8837 (output_func_epilogue): Move insn generation part of epilogue code
8838 to arm_output_epilogue.
8839 * arm.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Delete.
8840 * arm.md (pool_range): New attribute.
8841 (zero_extendqidi2): Add attribute pool_range.
8842 (zero_extend_hisi_insn, load_extendqisi, extendhisi_insn,
8843 extendqihi_insn, extendqisi_insn, movdi, movsi_insn, pic_load_addr,
8844 pic_load_addr_based_insn, movhi_insn_arch4, movhi_insn_littleend,
8845 movhi_insn_bigend, loadhi_si_bigend, movsf_hard_insn, movsf_soft_insn,
8846 movdf_hard_insn, movdf_soft_insn, movxf_hard_insn): Likewise.
8847 (epilogue): New expand.
8848 (epilogue_insn): New insn. Call arm_output_epilogue.
8850 * arm.c (arm_poke_function_name): Undo change of July 17. Tidy up.
8851 * arm.h (TARGET_SWITCHES): Add missing doc string for TARGET_DEFAULT.
8853 Mon Aug 2 19:18:44 1999 Jason Merrill <jason@yorick.cygnus.com>
8855 * linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
8857 1999-08-04 Mark Elbrecht <snowball3@bigfoot.com>
8859 * config/i386/djgpp.h (BSS_SECTION_ASM_OP): Define.
8861 Wed Aug 4 02:15:32 1999 Richard Henderson <rth@cygnus.com>
8863 * jump.c (delete_insn): Delete the addr_vec when deleting a tablejump.
8865 Wed Aug 4 01:48:08 1999 Jim Kingdon <http://developer.redhat.com>
8867 * global.c: Fix comment.
8869 Wed Aug 4 01:43:01 1999 Ian Lance Taylor <ian@zembu.com>
8871 * gcc.c (access_check): New static function.
8872 (find_a_file): Use it when searching a directory list.
8873 * collect2.c (find_a_file): Don't accept directories found when
8874 searching a directory list.
8876 Wed Aug 4 01:40:43 1999 Philippe De Muyter <phdm@macqel.be>
8878 * tlink.c (symbol_hash_lookup): Do not prefix functions used as
8879 function parameters with `&'.
8880 (file_hash_lookup, demangled_hash_lookup, tlink_init): Ditto.
8882 Wed Aug 4 01:08:44 1999 Jeffrey A Law (law@cygnus.com)
8884 * flow.c (delete_unreachable_blocks): Do not call merge_blocks
8885 or tidy_fallthru_edge if the last insn in the block is not
8886 an unconditional jump or a simple conditional jump.
8888 Tue Aug 3 20:21:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
8890 * Makefile.in (c-decl.o): Depends on defaults.h.
8892 Tue Aug 3 14:14:52 1999 Jeffrey A Law (law@cygnus.com)
8894 * pa.h (HARD_REGNO_NREGS): FP registers are always 4 bytes wide for
8896 (CLASS_MAX_NREGS): Likewise.
8898 Tue Aug 3 03:51:20 1999 Jeffrey A Law (law@cygnus.com)
8900 * cse.c (cse_insn): Fix dumb thinko in last change.
8902 Tue Aug 3 10:36:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8904 * reload1.c (maybe_fix_stack_asms): Declare CONSTRAINTS as
8907 Mon Aug 2 23:45:45 1999 Hans-Peter Nilsson <hp@bitrange.com>
8909 * dwarf2out.c (add_location_or_const_value_attribute): Correct
8910 test for sizes of passed and declared parameter types.
8912 Tue Aug 3 00:03:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8914 * fixincludes: Fix the return type of bsearch, char* -> void*.
8916 * fixinc/inclhack.def: Likewise.
8918 Mon Aug 2 18:29:32 1999 Mark Mitchell <mark@codesourcery.com>
8920 * invoke.texi (-fdump-translation-unit): New option.
8922 Mon Aug 2 17:54:19 1999 Richard Henderson <rth@cygnus.com>
8924 * expr.h (PROMOTE_PROTOTYPES): Move ...
8925 * defaults.h: ... to here.
8926 * c-decl.c: Include defaults.h instead of expr.h.
8927 * c-typeck.c: Include defaults.h.
8929 Mon Aug 2 17:10:24 1999 Mark Mitchell <mark@codesourcery.com>
8931 * toplev.h (errorcount): Declare.
8932 (warningcount): Likewise.
8933 (sorrycount): Likewise.
8934 * c-lex.c (errorcount): Don't declare.
8935 * dwarf2out.c (errorcount): Don't declare.
8937 Mon Aug 2 17:02:08 1999 Jason Merrill <jason@yorick.cygnus.com>
8939 * config/libgloss.h: Add a note discouraging use with ELF.
8940 * configure.in: Don't use libgloss.h for ELF targets.
8941 Always use_collect2 on a.out targets.
8943 Mon Aug 2 16:27:42 1999 Jim Wilson <wilson@cygnus.com>
8945 * combine.c (force_to_mode, case LSHIFTRT): Add goto shiftrt.
8946 (force_to_mode, case ASHIFTRT): Add shiftrt label.
8948 Tue Aug 3 00:45:02 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
8950 * loop.c (strength_reduce): When doing biv->giv conversion, update
8951 reg note of NEXT->insn.
8953 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
8955 * real.c (PUT_REAL): Clear unused bytes if long double is IEEE quad.
8957 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
8959 * c-decl.c (get_parm_info, store_parm_decls): Change all uses of
8960 PROMOTE_PROTOTYPES, so that it tests it as a C expression.
8961 Ensure expr.h is included.
8962 * c-typecheck.c (convert_arguments): Ditto.
8964 * expr.h: Supply default for PROMOTE_PROTOTYPES (0).
8966 * config/arc/arc.h: Define PROMOTE_PROTOTYPES to 1.
8967 * config/convex/convex.h: Ditto.
8968 * config/dsp16xx/dsp16xx.h: Ditto.
8969 * config/fx80/fx80.h: Ditto.
8970 * config/gmicro/gmicro.h: Ditto.
8971 * config/i370/i370.h: Ditto.
8972 * config/i386/i386.h: Ditto.
8973 * config/m32r/m32r.h: Ditto.
8974 * config/m68k/m68k.h: Ditto.
8975 * config/m88k/m88k.h: Ditto.
8976 * config/mips/mips.h: Ditto.
8977 * config/pa/pa.h: Ditto.
8978 * config/pyr/pyr.h: Ditto.
8979 * config/tahoe/tahoe.h: Ditto.
8980 * config/we32k/we32k.h: Ditto.
8982 * config/sparc/sparc.h: Define PROMOTE_PROTOTYPES
8985 * config/i1750a/i1750a.h: Define PROMOTE_PROTOTYPES to 0.
8987 * config/i860/paragon.h: Remove PROMOTE_PROTOTYPES
8990 * tm.texi: Document new usage of PROMOTE_PROTOTYPES.
8992 1999-08-02 Richard Henderson <rth@cygnus.com>
8994 * m32r.c (m32r_setup_incoming_varargs): Use get_varargs_alias_set
8995 for the register spill block.
8997 * m32r.h (EXPAND_BUILTIN_VA_ARG): New.
8998 (EXPAND_BUILTIN_SAVEREGS): Delete #if 0 code.
9000 * m32r.h (INT8_P): Don't short-cut test with (unsigned).
9001 (INT16_P, CMP_INT16_P, UINT16_P): Likewise.
9002 (UPPER16_P, UINT24_P, INT32_P, UINT5_P): Likewise.
9004 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
9006 * config/sparc/linux.h: Define WCHAR_TYPE as "int" and undef
9007 MAX_WCHAR_TYPE defined in sparc.h.
9008 * config/sparc/linuxaout.h: Likewise.
9009 * config/sparc/linux64.h: Likewise.
9010 Also default to -mvis if CPU is UltraSPARC.
9012 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
9014 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): New macro.
9015 (RTX_OK_FOR_OLO10): Likewise.
9016 (GO_IF_LEGITIMATE_ADDRESS): If assembler supports offsetable
9017 %lo(), allow it in addresses...
9018 (PRINT_OPERAND_ADDRESS): ... and print it appropriately.
9019 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): sethi %lo()
9020 does not make sense.
9021 * config/sparc/sparc.c (sparc_hard_reg_printed): New array.
9022 (sparc_output_scratch_registers): New function.
9023 (output_function_prologue, sparc_flat_output_function_prologue): Use
9025 * varasm.c (make_decl_rtl): Use ASM_DECLARE_REGISTER_GLOBAL if
9027 * tm.texi (ASM_DECLARE_REGISTER_GLOBAL): Document it.
9028 * configure.in: Add check for .register pseudo-op support in as and
9029 check for offsetable %lo().
9030 * acconfig.h: Add templates for the above checks.
9031 * configure: Regenerate.
9033 1999-08-02 Richard Henderson <rth@cygnus.com>
9035 * sparc/linux64.h (TARGET_DEFAULT): Remove MASK_APP_REGS.
9036 * sparc/sol2-sld-64.h (TARGET_DEFAULT): Likewise.
9037 * sparc/sol2.h (TARGET_DEFAULT): Likewise.
9039 Mon Aug 2 23:46:45 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
9041 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
9044 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
9046 * config/float-sparc.h: New file.
9047 * configure.in: Use float_format=sparc for sparc-*-linux-gnulibc1,
9048 sparc-*-linux-gnu and sparc64-*-linux*.
9050 1999-08-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9052 * rs6000.c (rs6000_va_list): Type is an array.
9053 (rs6000_va_start): Don't doubly adjust for varargs.
9054 (rs6000_va_arg): Evaluate long long GPR adjustment.
9056 Mon Aug 2 16:15:57 1999 David Edelsohn <edelsohn@gnu.org>
9058 * rs6000/aix43.h (SUBTARGET_SWITCHES): Use -m64 and -m32 instead of
9059 -maix64 and -maix32.
9060 (ASM_SPEC, ASM_CPU_SPEC, CPP_SPEC, CPP_CPU_SPEC, LIB_SPEC,
9061 LINK_SPEC): Change appropriately.
9062 * rs6000/rs6000.c (short_cint_operand): Use CONST_OK_FOR_LETTER_P.
9063 (u_short_cint_operand): Likewise.
9064 * rs6000/rs6000.md (movdi splitters): Add TARGET_POWERPC64 support
9066 * rs6000/t-aix43 (MULTILIB): Change to -m64.
9068 * invoke.texi (RS/6000 Submodel): Document 64-bit processor options.
9070 Mon Aug 2 16:15:57 1999 Geoff Keating <geoffk@cygnus.com>
9072 * rs6000/rs6000.c (num_insns_constant_wide): Correct
9074 (add_operand): Get test correct for 64-bit HOST_WIDE_INT.
9075 (non_add_cint_operand): Likewise.
9076 (logical_operand): Likewise.
9077 (non_logical_cint_operand): Likewise.
9078 (print_operand): Correct printf()s for 64-bit HOST_WIDE_INT.
9079 (print_operand_address): Correct printf() for 64-bit HOST_WIDE_INT.
9080 (rs6000_select_rtx_section): Suppress warning.
9081 (small_data_operand): Suppress warning.
9082 (rs6000_got_register): Suppress warning.
9083 * rs6000/rs6000.md (andsi3): HOST_WIDE_INT is a signed
9084 type, so `J' is generally the wrong constraint for a SImode value;
9086 (andsi3_internal2): Likewise.
9087 (andsi3_internal3): Likewise.
9088 (iorsi3_internal1): Likewise.
9089 (xorsi3_internal1): Likewise.
9091 (movsf_softfloat): Likewise.
9092 (scc insns): Likewise.
9093 (movsi+2): Preserve sign bits of SImode constant.
9094 (floatsidf2_internal+1): Sign-extend SImode constant correctly.
9095 (movdf+1): Sign-extend properly.
9096 (movdi_32+1): Sign-extend properly.
9097 (scc insns): Sign-extend properly.
9099 * md.texi (RS/6000 EXTRA_CONSTRAINTS): Update documentation for J,
9102 1999-08-02 Richard Henderson <rth@cygnus.com>
9104 * alpha.c (override_options): Move ev6 alpha_tp frobbing out of
9106 (print_operand): Notice alpha_fptm not alpha_tp for sw completion.
9107 * alpha.md (all fp insns): Likewise.
9109 1999-08-02 Nick Clifton <nickc@cygnus.com>
9111 * config/v850/v850.h (STRICT_ALIGNMENT): Only define if not
9114 Mon Aug 2 03:38:33 1999 Jeffrey A Law (law@cygnus.com)
9116 * pa.c (legitimize_pic_address): Clarify comments. Do not call the
9117 pic_load_label generator directly.
9118 * pa.md (pic_load_label): Clarify comments. Remove modes on operands.
9119 No longer a named pattern.
9121 Mon Aug 2 09:38:10 1999 Nick Clifton <nickc@cygnus.com>
9123 * explow.c (force_reg): Call force_operand if X does not
9124 satisfy general_operand.
9126 Mon Aug 2 01:34:22 1999 Jeffrey A Law (law@cygnus.com)
9128 * fix-header.c (main): When testing for CONTINUED, use string
9129 equality, not pointer equality.
9131 Mon Aug 2 01:27:24 1999 Dan Nicolaescu <dann@ics.uci.edu>
9133 * sparc.c (sparc_block_profiler): Use the %g2 register, not %o0.
9135 Sun Aug 1 22:46:42 1999 Jeffrey A Law (law@cygnus.com)
9137 * cse.c (cse_insn): Fix loop which deletes insns after a jump
9138 that has become an unconditional jump.
9140 * m68k.c (output_function_prologue): Fix typo in CPU32 case.
9141 (output_function_epilogue): Similarly.
9143 Sun Aug 1 20:14:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9145 * tree.h (init_dummy_function_start): Declare.
9147 Sun Aug 1 12:55:31 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9149 * stmt.c (emit_filename, emit_lineno, expr_stmts_for_value,
9150 last_expr_type, last_expr_value, block_start_count, block_stack,
9151 stack_block_stack, cond_stack, loop_stack, case_stack, nesting_stack,
9152 nesting_depth, goto_fixup_chain): Delete global vars; now allocated
9153 dynamically in stmt elt of struct function for each function.
9154 (struct nesting): Rename function_call_count elt to n_function_calls,
9155 target_temp_slot_level to block_target_temp_slot_level. All users
9157 (struct stmt_status): New structure definition.
9158 Add many accessor macros for stmt_status elements which previously
9159 were global variables.
9160 (init_stmt_for_function): Allocate stmt elt for current_function.
9161 Reflect that block_start_count was renamed to
9162 current_block_start_count.
9163 (save_stmt_status, restore_stmt_status): Delete functions.
9164 (preserve_subexpressions_p): Don't access loop_stack when outside
9166 (expand_start_bindings): Reflect that block_start_count was renamed to
9167 current_block_start_count.
9168 (expand_fixup): Likewise.
9169 (expand_decl): Don't access block_stack when outside a function.
9170 (expand_decl_cleanup): Likewise.
9171 (expand_dcc_cleanup): Likewise.
9172 (expand_dhc_cleanup): Likewise.
9173 (expand_anon_union_decl): Likewise.
9174 (set_file_and_line_for_stmt): New function.
9175 (in_control_zone_p): New function.
9177 * function.h (struct function): Add new elt stmt.
9178 Delete elts block_stack, stack_block_stack, cond_stack, loop_stack,
9179 case_stack, nesting_stack, nesting_depth, block_start_count,
9180 last_expr_type, last_expr_value, expr_stmts_for_value, emit_filename,
9181 emit_lineno, goto_fixup_chain.
9182 (save_eh_status, restore_eh_status, save_stmt_status,
9183 restore_stmt_status): Delete declarations.
9184 * function.c (push_function_context_to): Don't call save_stmt_status.
9185 (pop_function_context_to): Don't call restore_stmt_status.
9186 * tree.h (in_control_zone_p): Declare.
9187 * rtl.h (set_file_and_line_for_stmt): Declare.
9189 * emit-rtl.c (emit_line_note): Don't set emit_filename/emit_lineno;
9190 call set_file_and_line_for_stmt.
9192 Thu Jul 31 12:34:45 1999 Joe Buck <jbuck@synopsys.com>
9194 * gcc.texi: Use terms "GNU Compiler Collection" and "GCC".
9195 Also update copyright.
9197 Sat Jul 31 11:10:07 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9199 * c-pragma.c: Don't include "except.h".
9200 * emit-rtl.c: Likewise.
9201 * stor-layout.c: Likewise.
9203 * varasm.c: Likewise.
9205 * flow.c: Include "function.h".
9206 * tree.h (init_dummy_function_start): Declare new function.
9208 * except.h (struct eh_status): New structure.
9209 (struct label_node, struct eh_entry): Declare even if tree.h hasn't
9211 (eh_return_stub_label, ehstack, catchstack, ehqueue,
9212 catch_clauses, false_label_stack, caught_return_label_stack,
9213 protect_list, current_function_ehc): Add accessor macros for the
9214 corresponding fields in current_function->eh; delete declarations
9215 for all items that used to be declared here.
9216 * except.c (eh_return_stub_label, ehstack, catchstack, ehqueue,
9217 catch_clauses, false_label_stack, caught_return_label_stack,
9218 protect_list, current_function_ehc): Delete variables.
9219 (init_eh_for_function): Allocate current_function->eh.
9220 (save_eh_status, restore_eh_status): Delete functions.
9222 * function.h (struct function): Add fields next_global and eh.
9223 Delete all exception handling related fields.
9224 * function.c (current_function): New variable.
9225 (all_functions): New variable.
9226 (push_function_context_to): Don't allocate a struct function,
9227 use current_function instead. Call init_dummy_function_start when
9228 outside a function. Clear current_function before returning.
9229 (pop_function_context_from): Restore current_function.
9230 Don't free the restored struct function.
9231 (prepare_function_start): New function.
9232 (init_dummy_function_start): New function.
9233 (init_function_start): Break out some code into prepare_function_start
9236 * stmt.c (save_stmt_status): Don't call save_eh_status.
9237 (restore_stmt_status): Don't call restore_eh_status.
9239 * Makefile.in: Update dependencies.
9241 Sat Jul 31 04:10:01 1999 Jeffrey A Law (law@cygnus.com)
9243 * pa.c (compute_frame_size): Use STARTINg_FRAME_OFFSET instead
9244 of depending on a magic constant value. Update comments.
9245 (hppa_expand_prologue): Similarly.
9247 * pa.md (reload_indi, reload_outdi): Allow any register for the
9248 original reload register.
9250 Fri Jul 30 19:41:35 1999 Jim Wilson <wilson@cygnus.com>
9252 * cccp.c (print_help): Change marcos to macros.
9254 1999-07-30 Richard Henderson <rth@cygnus.com>
9256 * c-typeck.c (initializer_constant_valid_p): Move ...
9257 * c-common.c (initializer_constant_valid_p): ... here. Use
9258 FOO_TYPE_P instead of tests against TREE_CODE. Allow subtraction
9260 * c-common.h (initializer_constant_valid_p): Declare.
9261 * c-tree.h (initializer_constant_valid_p): Remove.
9263 Fri Jul 30 16:33:42 1999 Mathias Froehlich <frohlich@na.uni-tuebingen.de>
9265 * config/i386/sol2-c1.asm: Align the stack.
9266 * config/i386/sol2-gc1.asm: Likewise.
9268 1999-07-30 Vladimir Makarov <vmakarov@loony.cygnus.com>
9270 * config/sparc/sparc.h (ASM_CPU32_DEFAULT_SPEC): Change -Av8 onto
9271 -Asparclite for sparc86x.
9272 (CPP_CPU32_DEFAULT_SPEC, CPP_CPU_SPEC): Remove -D__sparc_v8__ for
9274 (ASM_CPU_SPEC): Use -Asparclite for sparc86x.
9276 Fri Jul 30 14:53:56 1999 Jakub Jelinek <jj@ultra.linux.cz>
9278 * config/sparc/linux64.h (CC1_SPEC): Preserve CPU specified by
9279 the user if using the non-default arch size in BI_ARCH configuration.
9280 * config/sparc/sol2-sld-64.h (CC1_SPEC): Ditto.
9282 * config/sparc/sparc.md (cmp_mul_set, cmp_udiv_cc_set):
9283 Fix patterns so that they actually match.
9284 (cmp_sdiv_cc_set): Ditto, also don't require g0 to be zero.
9285 (mulsidi3_sp64, const_mulsidi3_sp64): New patterns.
9286 (const_mulsidi3_sp32): Renamed from const_mulsidi3, only on
9288 (mulsidi3): Reflect this in the expand.
9289 (smulsi3_highpart): Only on TARGET_ARCH32.
9290 (umulsidi3_sp64, const_umulsidi3_sp64): New patterns.
9291 (const_umulsidi3_sp32): Renamed from const_umulsidi3.
9292 (umulsidi3): Reflect this in the expand.
9293 (umulsi3_highpart): Only on TARGET_ARCH32.
9294 (divsi3_sp32): Renamed from divsi3, only on TARGET_ARCH32,
9295 don't require g0 to be zero.
9296 (udivsi3_sp32): Renamed from udivsi3, only on TARGET_ARCH32.
9297 ({,u}divsi3): New expands.
9298 ({,u}divsi3_sp64): New patterns.
9299 (after lshrdi3_v8plus): Four new patterns to help combiner
9300 optimizing nested mixed mode shifts.
9302 * config/sparc/sparc.c (sparc_override_options): Use deprecated
9303 v8 instructions if optimizing for UltraSPARC I, II, IIi, as it
9304 speed things up. Don't use them by default on plain v9 in 64bit
9305 mode, according to what SPAMv9 sais.
9307 * config/sparc/sparc.h: Fix comments, e.g. Linux already preserves
9308 top 32 bits of %[og][0-7] in signal handlers.
9309 Also, TARGET_HARD_MUL32 now is only true for TARGET_ARCH32.
9311 Fri Jul 30 03:00:41 1999 Jeffrey A Law (law@cygnus.com)
9313 * pa.md (zvdep_imm32): Renamed from zvdep_imm.
9314 (ashlsi3): Corresponding changes.
9316 * pa.c (compute_zdepwi_operands): Renamed from compute_zdepi_operands.
9318 Thu Jul 29 18:37:13 1999 Jeffrey A Law (law@cygnus.com)
9320 * pa.h (FIRST_PARM_CALLER_OFFSET): Delete.
9322 Thu Jul 29 19:01:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9324 * arm.h (Hint): Delete macro.
9325 Substitute HOST_WIDE_INT for Hint in some prototypes.
9326 * arm.c: Substitute HOST_WIDE_INT for Hint in one prototype.
9328 Thu Jul 29 09:21:42 1999 Nick Clifton <nickc@cygnus.com>
9330 * builtins.c (expand_builtin_setjmp): Use force_operand to
9331 make sure that the buffer address is in a suitable form to be
9332 passed to force_reg.
9334 Wed Jul 28 12:50:48 1999 Geoff Keating <geoffk@cygnus.com>
9336 * config/mips/mips.c: system.h handles MIN and MAX, don't undefine
9339 Wed Jul 28 13:18:35 1999 Jeffrey A Law (law@cygnus.com)
9341 * pa.md (indirect_jump): Remove mode from match_operand. Verify
9342 proper mode in the condition string.
9343 (icacheflush, dcacheflush): Remove modes from match_operands.
9345 * pa.c (emit_move_sequence): Always convert scratch_reg to the
9346 proper mode before using it.
9348 * pa.md (adddi3, subdi3): Turn into a define_expand/define_insn
9351 * pa.c (store_reg): Do not call add_high_const generator directly.
9352 (load_reg, set_reg_plus_d): Likewise.
9353 * pa.md (add_high_const): No longer a named pattern.
9355 * pa.c (legitimize_address): Consistently use Pmode rather than
9356 SImode. Do not call gen_pic2_highpart directly anymore.
9357 * pa.md (pic2_highpart): No longer a named pattern.
9358 (pic2_lo_sum): Similarly. Reformat to make more readable.
9360 * pa.md (call, call_value): Use "word_mode" instead of "SImode" as
9365 Wed Jul 28 11:28:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9367 * builtins.c (expand_builtin): Typo in call to expand_builtin_ffs.
9369 Wed Jul 28 11:23:48 1999 Richard Henderson <rth@cygnus.com>
9371 * pa.c (hppa_builtin_saveregs): Use get_varargs_alias_set
9372 and tag the spill mems.
9373 (hppa_va_start): New.
9375 * pa.h (EXPAND_BUILTIN_VA_START): New.
9376 (EXPAND_BUILTIN_VA_ARG): New.
9378 Wed Jul 28 11:22:21 1999 Richard Henderson <rth@cygnus.com>
9380 * mn10300.c (mn10300_builtin_saveregs): Use get_varargs_alias_set
9381 and tag the spill mems.
9382 (mn10300_va_start): New.
9383 (mn10300_va_arg): New.
9384 * mn10300.h (EXPAND_BUILTIN_VA_START): New.
9385 (EXPAND_BUILTIN_VA_ARG): New.
9387 Wed Jul 28 11:20:19 1999 Richard Henderson <rth@cygnus.com>
9389 * mn10200.c (mn10200_va_arg): New.
9390 * mn10200.h (EXPAND_BUILTIN_VA_ARG): New.
9392 Wed Jul 28 11:19:06 1999 Richard Henderson <rth@cygnus.com>
9394 * builtins.c (std_expand_builtin_va_arg): Use int_size_in_bytes
9395 rather than play with TREE_INT_CST_LOW.
9397 1999-07-27 Philip Blundell <pb@nexus.co.uk>
9399 * config/arm/telf.h: Include dbxelf.h.
9400 (CPP_PREDEFINES): Only define if not already defined.
9401 (ASM_IDENTIFY_GCC): Likewise.
9402 (SUBTARGET_EXTRA_SECTIONS): Likewise.
9403 (SUBTARGET_EXTRA_SECTION_FUNCTIONS): Likewise.
9404 * config/arm/thumb.h (LINK_SPEC): Only define if not already
9406 (DBX_DEBUGGING_INFO): Don't define.
9407 * config/arm/linux-telf.h: New file.
9408 * config/arm/linux-tgas.h: New file.
9409 * config/arm/t-thumb-linux: New file.
9410 * config/arm/uclinux-elf.h: New file.
9411 * config/arm/uclinux-telf.h: New file.
9412 * configure.in (arm-*-uclinux, thumb-*-linux-gnu,
9413 thumb-*-uclinux): New targets.
9414 * configure: Regenerate.
9416 Tue Jul 27 23:20:21 1999 Jeffrey A Law (law@cygnus.com)
9418 * pa.md (post_store, pre_load): New expanders.
9419 (post_stwm, pre_ldwm): Renamed to post_stw and pre_ldw respectively.
9420 (post_ldwm, pre_stwm): Make these unnamed patterns since we never
9421 need to directly generate RTL for them.
9422 * pa.c (hppa_expand_prologue, hppa_expand_epilogue): Corresponding
9425 Tue Jul 27 16:05:52 1999 David Edelsohn <edelsohn@gnu.org>
9427 * aix43.h (ASM_CPU_SPEC, CPP_CPU_SPEC): Add rs64a and PPC630.
9428 * rs6000.c (processor_target_table): Add powerpc64, rs64a, and PPC630.
9429 (rs6000_cpu): Choose between 32-bit and 64-bit default processors.
9430 (secndary_reload_class): Make TARGET_ELF conditional compile.
9431 (print_operand_address): Similar.
9432 (output_toc): Print all values as hex.
9433 (get_issue_rate): Rearrange and add RS64A and PPC630.
9434 * rs6000.h (processor_type): Add RS64A and PPC630.
9435 (PROCESSOR_POWERPC64): New.
9436 (PROMOTE_MODE): Use word_mode.
9437 (RTX_COSTS): Add RS64A and PPC630.
9438 * rs6000.md (scheduling information): Add lmul and ldiv
9439 representing 64-bit integer multiply and divide. Add rs64a and
9441 (ashldi3): Add support for "rldic" instruction.
9442 * sysv4.h (PROCESSOR_DEFAULT): Change to PROCESSOR_750.
9444 Tue Jul 27 15:31:53 1999 Vladimir Makarov <vmakarov@toad.to.cygnus.com>
9446 * config/sparc/sparc.c (sparc_override_options): Enable SPARCLITE
9447 instead of V8 for sparclite86x in cpu_table.
9449 Tue Jul 27 17:49:42 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9451 * config/arm/coff.h (ASM_FILE_START): If generating SDB output, call
9452 output_file_directive.
9454 Tue Jul 27 03:15:33 1999 Jason Merrill <jason@yorick.cygnus.com>
9456 * expr.c (expand_expr, case PLUS_EXPR): Get the mode from the
9457 tree for op1, not the rtl.
9459 Tue Jul 27 00:18:34 1999 Richard Henderson <rth@cygnus.com>
9461 * m88k.c (m88k_builtin_saveregs): Break out the constructor code
9462 to m88k_va_start, leaving only the register spill.
9463 (m88k_build_va_list): New.
9464 (m88k_va_start): New.
9466 * m88k.h (BUILD_VA_LIST_TYPE): New.
9467 (EXPAND_BUILTIN_VA_START): New.
9468 (EXPAND_BUILTIN_VA_ARG): New.
9470 Mon Jul 26 19:07:11 1999 Geoff Keating <geoffk@cygnus.com>
9472 * config/rs6000/rs6000.c (rs6000_expand_builtin_saveregs):
9473 Rename from expand_builtin_saveregs.
9474 * config/rs6000/rs6000.h (EXPAND_BUILTIN_SAVEREGS): Change caller.
9476 Mon Jul 26 22:52:47 1999 Richard Henderson <rth@cygnus.com>
9478 * i960.c (i960_setup_incoming_varargs): Use get_varargs_alias_set
9479 for the register spill block.
9480 (i960_build_va_list): New.
9481 (i960_va_start): New.
9483 * i960.h (BUILD_VA_LIST_TYPE): New.
9484 (EXPAND_BUILTIN_VA_START): New.
9485 (EXPAND_BUILTIN_VA_ARG): New.
9486 * i960.md (store_multiple): Use change_address on individul mems.
9488 Mon Jul 26 22:43:12 1999 Richard Henderson <rth@cygnus.com>
9490 * builtins.c (stabilize_va_list): Don't INDIRECT_REF through
9492 (std_expand_builtin_va_start): Back out one word if !stdarg_p.
9493 (expand_builtin_va_end): Evaluate arg for side effects.
9494 * c-common.c (c_common_nodes_and_builtins): Construct a
9495 va_list_arg_type_node to handle array decomposition to pointer.
9497 Mon Jul 26 18:51:34 1999 Richard Henderson <rth@cygnus.com>
9499 * except.c (start_dynamic_cleanup): Use force_operand on the
9502 Mon Jul 26 16:43:26 1999 Richard Henderson <rth@cygnus.com>
9504 * c4x.h (EXPAND_BUILTIN_VA_ARG): New.
9505 * c4x.c (c4x_va_arg): New.
9507 Mon Jul 26 12:30:09 1999 Jason Merrill <jason@yorick.cygnus.com>
9509 * cpplib.c (cpp_get_token): Don't return a CPP_POP if the buffer
9512 1999-07-26 Nathan Sidwell <nathan@acm.org>
9514 * eh-common.h (__eh_matcher): Prototype correctly.
9516 Mon Jul 26 17:24:51 1999 Philip Blundell <pb@nexus.co.uk>
9518 * config/arm/thumb.h (THUMB_FLAG_SINGLE_PIC_BASE): Define.
9519 (TARGET_SINGLE_PIC_BASE): Likewise.
9520 (GOT_PCREL, NEED_GOT_RELOC, NEED_PLT_RELOC): Provide default
9522 (TARGET_CALLEE_INTERWORKING): Fix typo in comment.
9523 (TARGET_SWITCHES): Add -m{no-}single-pic-base.
9524 (TARGET_OPTIONS): Add -mpic-register=N.
9525 (OUTPUT_INT_ADDR_CONST): New macro.
9526 (INDEX_REGISTER_RTX_P, PIC_OFFSET_TABLE_REGNUM, FINALIZE_PIC,
9527 LEGITIMATE_PIC_OPERAND_P): Likewise.
9528 (LEGITIMIZE_ADDRESS, GOT_IF_LEGITIMATE_ADDRESS): Support PIC.
9529 (ASM_OUTPUT_INT): Use OUTPUT_INT_ADDR_CONST rather than calling
9530 output_addr_const directly.
9531 (PRINT_OPERAND_PUNCT_VALID_P): Accept `|' for compatibility with
9533 (thumb_pic_register, thumb_pic_register_string): Declare.
9535 * config/arm/thumb.c (symbol_mentioned_p): New function: Imported
9537 (label_mentioned_p): New function: Imported from arm.c.
9538 (legitimize_pic_address): New function: Imported from arm.c.
9539 (is_pic):New function: Imported from arm.c.
9540 (thumb_finalize_pic):New function: Imported from arm.c.
9541 (add_constant): Cope with PIC constants.
9542 (fixit): Cope with PIC constants.
9543 (output_return): Do not treat the PIC register as live if
9544 TARGET_SINGLE_PIC_BASE is true.
9545 (thumb_function_prologue): Do not treat the PIC register as live if
9546 TARGET_SINGLE_PIC_BASE is true.
9547 (thumb_expand_prologue): Do not treat the PIC register as live if
9548 TARGET_SINGLE_PIC_BASE is true.
9549 (thumb_unexpand_epilogue): Do not treat the PIC register as live if
9550 TARGET_SINGLE_PIC_BASE is true.
9551 (thumb_print_operand): Accept '|'.
9552 (thumb_override_options): Process PIC options.
9554 * config/arm/thumb.md (movsi): Support PIC.
9555 (call_insn): Change "i" constraint to "X".
9556 (call_value_insn): Likewise.
9557 (consttable_4, consttable_8, consttable_end): Set and clear
9558 "making_const_table" as appropriate.
9559 (pic_load_addr, pic_add_dot_plus_four): New insns.
9561 * invoke.texi (Thumb Options): Fix spelling. Document new
9562 options -msingle-pic-base and -mpic-register=.
9564 1999-07-26 Andrew Haley <aph@cygnus.com>
9566 * config/m32r/initfini.c (__init): Use a full word immediate for
9567 __fini: this allows it to be placed in any memory region.
9569 * config/m32r/t-m32r: Compile crtinit.o and crtfini.o for
9570 -mmodel=medium. This is OK for all memory models.
9572 Mon Jul 26 11:58:46 1999 Nick Clifton <nickc@cygnus.com>
9574 * config/arm/arm.c: Replace %R%s in asm_fprintf strings with %r.
9575 * config/arm/arm.h: Replace %R%s in asm_fprintf strings with %r.
9577 Mon Jul 26 10:23:36 1999 Nick Clifton <nickc@cygnus.com>
9579 * final.c (asm_fprintf): Accept ASM_FPRINTF_EXTENSIONS, if
9582 * tm.texi: Document ASM_FPRINTF_EXTENSIONS.
9584 Sun Jul 25 23:51:59 1999 Richard Henderson <rth@cygnus.com>
9586 * i860.h (EXPAND_BUILTIN_SAVEREGS): New.
9587 (BUILD_VA_LIST_TYPE): New.
9588 (EXPAND_BUILTIN_VA_START): New.
9589 (EXPAND_BUILTIN_VA_ARG): New.
9590 * i860.c (output_delayed_branch): Disable.
9591 (output_delay_insn): Likewise.
9592 (i860_saveregs): New.
9593 (i860_build_va_list): New.
9594 (i860_va_start): New.
9596 * i860.md: Disable all peepholes using output_delayed_branch.
9597 * i860/sysv4.h (I860_SVR4_VA_LIST): New.
9599 Sun Jul 25 23:44:13 1999 Richard Henderson <rth@cygnus.com>
9601 * clipper.h (EXPAND_BUILTIN_SAVEREGS): Remove argument.
9602 (BUILD_VA_LIST_TYPE): New.
9603 (EXPAND_BUILTIN_VA_START): New.
9604 (EXPAND_BUILTIN_VA_ARG): New.
9605 * clipper.c (clipper_builtin_saveregs): Only dump registers.
9606 Return the address of the save area.
9607 (clipper_build_va_list): New.
9608 (clipper_va_start): New.
9609 (clipper_va_arg): New.
9611 Sun Jul 25 22:56:47 1999 Richard Henderson <rth@cygnus.com>
9613 * arc.h (EXPAND_BUILTIN_VA_START): New.
9614 (EXPAND_BUILTIN_VA_ARG): New.
9615 * arc.c (arc_setup_incoming_varargs): Set alias set of
9617 (arc_va_start): New.
9620 Sun Jul 25 22:45:55 1999 Richard Henderson <rth@cygnus.com>
9622 * alpha.h (EXPAND_BUILTIN_SAVEREGS): Delete.
9623 (BUILD_VA_LIST_TYPE): New.
9624 (EXPAND_BUILTIN_VA_START): New.
9625 (EXPAND_BUILTIN_VA_ARG): New.
9626 * alpha.c (alpha_builtin_saveregs): Delete.
9627 (alpha_build_va_list): New.
9628 (alpha_va_start): New.
9629 (alpha_va_arg): New.
9631 Sun Jul 25 21:40:33 1999 Jeffrey A Law (law@cygnus.com)
9633 * config/svr4.h (CTORS_SECTION_ASM_OP): Do not emit directives in
9635 (DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP): Likewise.
9636 (FINI_SECTION_ASM_OP, ASM_OUTPUT_SECTION_NAME): Likewise.
9638 * gcc.texi: More changes related to list conversion.
9639 * invoke.texi: Likewise.
9641 Sun Jul 25 18:15:39 1999 Richard Henderson <rth@cygnus.com>
9643 * builtins.c (expand_builtin_saveregs): Remove static, remove exp
9644 and ignore arguments, bail if no EXPAND_BUILTIN_SAVEREGS.
9645 (expand_builtin_next_arg): Accept ARGLIST not EXP.
9646 (stabilize_va_list): New function.
9647 (std_expand_builtin_va_start): New function.
9648 (expand_builtin_va_start): New function.
9649 (get_varargs_alias_set): New function.
9650 (std_expand_builtin_va_arg): New function.
9651 (expand_builtin_va_arg): New function.
9652 (expand_builtin_va_end): New function.
9653 (expand_builtin_va_copy): New function.
9654 (expand_builtin): Call them.
9655 * c-common.c (c_common_nodes_and_builtins): Build __builtin_va_list,
9656 __builtin_{varargs_start,stdarg_start,end,copy}.
9657 (build_va_arg): New function.
9658 * c-common.h (CTI_PTR_TYPE, ptr_type_node): Delete.
9659 (build_va_arg): Declare.
9660 * c-decl.c (ptr_type_node, va_list_type_node): New.
9661 * c-parse.gperf (__builtin_va_arg): New.
9662 * c-parse.in (VA_ARG): New token.
9663 (unary_expr): Recognize it.
9664 * expr.c (expand_expr): Expand VA_ARG_EXPR.
9665 * expr.h (std_expand_builtin_va_start): Declare.
9666 (std_expand_builtin_va_arg): Declare.
9667 (expand_builtin_va_arg): Declare.
9668 (get_varargs_alias_set): Declare.
9669 * tree.def (VA_ARG_EXPR): New.
9670 * tree.h (BUILT_IN_VARARGS_START): New.
9671 (BUILT_IN_STDARG_START, BUILT_IN_VA_END): New.
9672 (ptr_type_node, va_list_type_node): Declare.
9673 * tm.texi (EXPAND_BUILTIN_SAVEREGS): Kill unused ARGLIST argument.
9674 * m32r.h (EXPAND_BUILTIN_SAVEREGS): Likewise.
9675 * m88k.h, m88k.c: Likewise.
9676 * mn10300.h, mn10300.c: Likewise.
9677 * pa.h, pa.c: Likewise.
9678 * rs6000.h, rs6000.c: Likewise.
9679 * sh.h, sh.c: Likewise.
9680 * sparc.h, sparc.c: Likewise.
9682 * emit-rtl.c (operand_subword): Copy alias set.
9683 (change_address): Likewise.
9685 Sun Jul 25 15:04:37 1999 Jeffrey A Law (law@cygnus.com)
9687 * pa.c (compute_frame_size): Scan all the used callee saved registers,
9688 not just the first one.
9690 Fri Jul 23 14:09:58 1999 Philip Blundell <pb@nexus.co.uk>
9692 * config/arm/arm.h (TARGET_SWITCHES): Add
9693 -m{no-}single-pic-base. Correct help string for -mshort-load-words.
9694 (TARGET_OPTIONS): Add -mpic-register=.
9695 (ARM_FLAG_SINGLE_PIC_BASE, TARGET_SINGLE_PIC_BASE): Define.
9696 (arm_pic_register_string): Declare.
9697 (NEED_PLT_GOT): Delete, replace with ...
9698 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. New macros.
9699 (OUTPUT_INT_ADDR_CONST): Replace NEED_PLT_GOT with NEED_GOT_RELOC.
9700 (ASM_OUTPUT_MI_THUNK): Replace NEED_PLT_GOT with NEED_PLT_RELOC.
9701 * config/arm/arm.c (arm_override_options): Add new option
9703 (arm_pic_register_string): New variable.
9704 (arm_finalize_pic): Respect TARGET_SINGLE_PIC_BASE.
9705 (output_func_prologue): If TARGET_SINGLE_PIC_BASE, treat the PIC
9706 register as never live. Use NEED_PLT_RELOC not NEED_PLT_GOT.
9707 (output_return_instruction): Likewise.
9708 * config/arm/elf.h (NEED_PLT_GOT): Delete, replace with ...
9709 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. Define to flag_pic.
9710 * config/arm/arm.md: Use NEED_PLT_RELOC in place of NEED_PLT_GOT.
9712 * invoke.texi (ARM Options): Fix spelling. Remove duplicate
9713 mention of -msched-prolog. Document new options -msingle-pic-base
9714 and -mpic-register=.
9716 Thu Jul 22 18:23:56 1999 Richard Henderson <rth@cygnus.com>
9718 * haifa-sched.c (reemit_notes): Tidy.
9719 * sched.c (reemit_notes): Duplicate 1998-08-31 patch to
9722 Thu Jul 22 18:21:04 1999 Richard Henderson <rth@cygnus.com>
9724 * explow.c (trunc_int_for_mode): New function.
9725 (plus_constant_wide): Use it.
9726 * combine.c (simplify_and_const_int): Likewise.
9727 (merge_outer_ops): Likewise.
9728 (simplify_shift_const): Likewise.
9729 * cse.c (simplify_unary_operation): Likewise.
9730 (simplify_binary_operation): Likewise.
9731 * emit-rtl.c (operand_subword): Likewise.
9732 * rtl.h: Declare it.
9734 Thu Jul 22 14:34:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9736 * config/arm/arm.c (arm_print_operand): Fix typo in 'M' case
9737 (use NUM_REGS instead of NUM_INTS).
9739 Thu Jul 22 11:25:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9741 * builtins.c: New file.
9742 * expr.c (saveregs_value, apply_args_value): Delete definition,
9743 moved into builtins.c.
9744 (string_constant): No longer static.
9745 (get_pointer_alignment, c_strlen, get_memory_rtx, expand_builtin,
9746 apply_args_size, apply_result_size, result_vector,
9747 expand_builtin_apply_args, expand_builtin_apply,
9748 expand_builtin_return): Delete functions, moved into builtins.c.
9749 (INCOMING_REGNO, OUTGOING_REGNO): Delete unused macros.
9750 * expr.h (saveregs_value, apply_args_value): Declare variables.
9751 (expand_builtin, string_constant): Declare functions.
9752 * Makefile.in: Update to build builtin.o.
9754 Wed Jul 21 00:46:58 1999 Mark P. Mitchell <mark@codesourcery.com>
9756 * defaults.h (DWARF2_GENERATE_TEXT_SECTION_LABEL): New macro.
9757 * tm.texi (DWARF2_GENERATE_TEXT_SECTION_LABEL): Define it.
9758 * dwarf2out.c (dwarf2out_init): Don't output a label to mark the
9759 start of the text section if DWARF2_GENERATE_TEXT_SECTION_LABEL is
9761 * config/mips/iris6.h (DWARF2_GENERATE_TEXT_SECTION_LABEL):
9764 1999-07-21 Michael Meissner <meissner@cygnus.com>
9766 * print-rtl.c (print_rtx): Print the names of the virtual
9769 Wed Jul 21 16:00:32 1999 Nick Clifton <nickc@cygnus.com>
9771 * config/arm/arm.h (INITIAL_ELIMINATION_OFFSET): Fix typo
9772 introduced in previous delta.
9774 Wed Jul 21 14:30:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9776 * c-lang.c (finish_file): Rename void_list_node to void_list_node_1
9777 to avoid name clash.
9779 Wed Jul 21 08:39:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
9781 * c-lex.c (yylex) : Correct the test for overflow when lexing
9784 Tue Jul 20 18:02:42 1999 Richard Henderson <rth@cygnus.com>
9786 * haifa-sched.c (insn_cost): FREE implies cost 0 and vice versa.
9787 (adjust_priority): Always call ADJUST_PRIORITY.
9788 (schedule_insn): Only put insns into the ready at cost 0.
9789 (schedule_block): Remove redundant initial sort. Give clock_var
9790 and can_issue_more to MD_SCHED_REORDER. Requeue if hazard cost
9792 * tm.texi (MD_SCHED_REORDER): Update docs.
9794 * sparc.h (MD_SCHED_REORDER): Update. Set CAN_ISSUE_MORE.
9795 * sparc.c (ultra_reorder_called_this_block): Delete.
9796 (ultrasparc_sched_init): Don't set it.
9797 (ultrasparc_sched_reorder): Don't check it.
9799 Tue Jul 20 17:07:54 1999 Richard Henderson <rth@cygnus.com>
9801 * rs6000.h (struct rs6000_args): Add sysv_gregno.
9802 * rs6000.c (init_cumulative_args): Init sysv_gregno.
9803 (function_arg_boundary): Align DFmode.
9804 (function_arg_advance): Restructure for ABI_V4; use sysv_gregno
9805 to get fp reg and stack overflow correct.
9806 (function_arg): Likewise.
9807 (function_arg_pass_by_reference): True for TFmode for ABI_V4.
9808 (setup_incoming_varargs): Restructure for ABI_V4; use
9809 function_arg_advance to skip final named argument.
9810 (expand_builtin_saveregs): Properly unskip the last integer arg
9811 when doing varargs. Adjust overflow location calculation.
9813 * ginclude/va-ppc.h (struct __va_list_tag): Make gpr and fpr
9814 explicitly unsigned.
9815 (__VA_FP_REGSAVE): Use new OFS argument instead of AP->fpr directly.
9816 (__VA_GP_REGSAVE): Similarly.
9817 (__va_longlong_p): Delete.
9818 (__va_arg_type_violation): New declaration.
9819 (va_arg): Restructure. Flag promotion errors. Align double.
9820 TFmode passed by reference.
9822 * rs6000.md (movdi_32+1): Use GEN_INT after arithmetic
9823 in the HOST_BITS_PER_WIDE_INT > 32 case.
9825 Tue Jul 20 12:37:30 1999 Hans-Peter Nilsson <hp@bitrange.com>
9827 * dwarf2out.c (output_abbrev_section): Terminate with a zero.
9829 Tue Jul 20 12:12:27 1999 Jason Merrill <jason@yorick.cygnus.com>
9831 * gcc.c (default_compilers, cpp-output): Pass -fpreprocessed.
9832 * toplev.c (documented_lang_options): Add -fpreprocessed.
9833 * cpplib.h (struct cpp_buffer): Add preprocessed.
9834 * cppinit.c (cpp_handle_option): Handle -fpreprocessed.
9835 (cpp_start_read): Don't expand macros or emit an initial #line
9836 directive if -fpreprocessed.
9838 Tue Jul 20 12:12:09 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
9840 * cpplib.h (struct cpp_buffer): Added manual_pop for
9841 better C++ tokenization.
9842 * cpplib.c (cpp_get_token): Return CPP_EOF if manual_pop.
9843 Also, support C++ tokenization for ->*, .*, <?, and >? operators.
9844 * c-common.c (cpp_token): Make non-static.
9846 Tue Jul 20 11:24:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9848 * c-common.h: New file.
9849 * c-common.c (permanent_obstack): Delete unused declaration.
9850 (c_global_trees): New array.
9851 (c_common_nodes_and_builtins): New function; split off common code
9852 from init_decl_processing in both c-decl.c and cp/decl.c.
9853 * c-tree.h: Delete lots of declarations of tree nodes; replaced by
9854 c_global_trees and accessor macros defined in c-common.h.
9856 * c-decl.c: Delete definitions for tree nodes that were replaced by
9858 (init_decl_processing): Build void_list_node.
9859 Call c_common_nodes_and_builtins; delete code to generate the common
9861 * objc/objc-act.c (build_module_descriptor): Rename variable
9862 void_list_node to avoid clash with c-common.h.
9864 * Makefile.in: Update dependencies.
9865 * objc/Make-lang.in: Likewise.
9867 Mon Jul 19 14:22:18 1999 Mark P. Mitchell <mark@codesourcery.com>
9869 * config/mips/iris6gld.h (MAKE_DECL_ONE_ONLY): Define.
9870 (UNIQUE_SECTION_P): Likewise.
9871 (UNIQUE_SECTION): Likewise.
9873 1999-07-19 Linas Vepstas <linas@linas.org>
9875 * config/i370/README: New file.
9876 * config/i370/linux.h: New file.
9877 * config/i370/mvs.h: New file.
9878 * config/i370/oe.h: New file.
9879 * config/i370/t-linux: New file.
9880 * config/i370/t-mvs: New file.
9881 * config/i370/t-oe: New file.
9882 * config/i370/x-oe: New file.
9883 * config/i370/xm-linux.h: New file.
9884 * config/i370/xm-mvs.h: New file.
9885 * config/i370/xm-oe.h: New file.
9887 * i370.c (label_node_t): Add first_ref_page, label_addr,
9888 label_first_ref, label_last_ref members.
9889 (mvs_need_base_reload): Renamed from mvs_label_emitted.
9890 (MAX_MVS_LABEL_SIZE): Define.
9891 (MAX_LONG_LABEL_SIZE): Define.
9892 (alias_node_t, alias_anchor, alias_number): New.
9893 (mvs_function_table): Reorder for EBCDIC.
9894 (ascebc, ebcasc): Unconditionally define.
9895 (i370_branch_dest, i370_branch_length): New functions.
9896 (i370_short_branch, i370_label_scan): New functions.
9897 (mvs_get_label): Renamed from mvs_add_label. Search for
9898 an existing label before creating a new one.
9899 (mvs_add_label): New function.
9900 (mvs_get_label_page): New function.
9901 (mvs_free_label_list): Renamed from mvs_free_label. Iterate
9902 over the entire list.
9903 (mvs_check_page) [TARGET_HLASM]: Use BASR not BALR.
9904 (mvs_check_page) [TARGET_ELF_ABI]: New function.
9905 (mvs_add_alias, mvs_need_alias): New functions.
9906 (mvs_get_alias, mvs_check_alias): New functions.
9907 (handle_pragma): New function.
9908 (mvs_function_check): New function.
9909 (unsigned_jump_follows_p): Search harder.
9910 (i370_function_prolog) [TARGET_HLASM]: Handle LE370. Scan labels.
9911 (i370_function_prolog) [TARGET_ELF_ABI]: New function.
9912 * i370.h (TARGET_VERSION): Delete.
9913 (CPP_SPEC, CPP_PREDEFINES): Delete.
9914 (mvs_label_emitted): Delete.
9915 (TARGET_EBCDIC): Delete.
9916 (MAP_CHARACTER): Define only if TARGET_EBCDIC.
9917 (HANDLE_PRAGMA): Define.
9918 (HARD_REGNO_NREGS): Handle complex modes.
9919 (HARD_REGNO_MODE_OK): Likewise.
9920 (CLASS_MAX_NREGS): Likewise.
9921 (RET_REG): Likewise.
9922 (EXTRA_CONSTRAINT): Define.
9923 (RETURN_IN_MEMORY): True for DImode.
9924 (TRAMPOLINE_TEMPLATE): Use gen_rtx instead of GEN_INT.
9925 (FUNCTION_PROFILER): Delete.
9926 (COUNT_REGS): Fail if REG_P but not REG_OK_FOR_BASE_P.
9927 (NOTICE_UPDATE_CC): Correct handling of MULT, DIV, logicals and shifts.
9928 (TARGET_ESC, TARGET_BELL): Conditionally define for TARGET_EBCDIC.
9929 (TARGET_BS, TARGET_TAB, TARGET_NEWLINE): Likewise.
9930 (TARGET_VT, TARGET_FF, TARGET_CR): Likewise.
9931 (ASM_FILE_START): Add "RMODE ANY".
9932 (ASM_OUTPUT_EXTERNAL): Check for aliases.
9933 (ASM_GLOBALIZE_LABEL): Likewise.
9934 (ASM_OUTPUT_LABELREF): Likewise.
9935 (ASM_OUTPUT_COMMON): Likewise.
9936 (PRINT_OPERAND): Handle 'K', 'W', default.
9937 (PRINT_OPERAND_ADDRESS): New.
9938 (Lots of defines): Add support for TARGET_ELF_ABI.
9939 * i370.md (attr length): New. Define for all patterns.
9940 (*): Lots of tweeks to assembly output and constraints.
9942 Mon Jul 19 15:09:29 1999 David Edelsohn <edelsohn@gnu.org>
9944 * rs6000.md (arithmetic, logical, and shift Rc combiner patterns):
9945 Disable patterns performing SImode comparisons with SImode values
9946 if TARGET_POWERPC64 and instruction does not sign-extend or does
9947 not mask to narrower than SImode, i.e. where bit 31 and bit 63 may
9948 differ for signed quantities.
9949 (indirect_jump): Add expander to choose RTL based on TARGET_64BIT.
9950 (tablejump): Patterns contingent on TARGET_64BIT not TARGET_POWERPC64.
9951 (decrement_and_branch_on_count): Add 64-bit variant.
9953 Mon Jul 19 09:36:27 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9955 * final.c (output_asm_insn): When searching for the matching string
9956 for a given dialect, don't run past the end of the list of
9957 alternatives if there are fewer alternatives in the template than
9960 1999-07-17 Alexandre Oliva <oliva@dcc.unicamp.br>
9962 * gcc.texi: Update e-mail addresses and URLs to gcc.gnu.org.
9963 Removed paragraph about compression of files and size limitation,
9964 duplicated in the FAQ. Use gcc-patches for posting patches.
9965 * gcc.c (main): Updated URL with bug reporting instructions to
9966 gcc.gnu.org. Removed e-mail address.
9967 * system.h (abort): Likewise.
9969 1999-07-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9971 * Makefile.in (stmp-multilib-sub): Make the files extracted
9972 from $(LIBGCC1) writable.
9974 Sat Jul 17 14:25:46 1999 Nick Clifton <nickc@cygnus.com>
9976 * config/arm/aout.h: Reformat for improved readability.
9978 * config/arm/arm.h: Reformat for improved readability.
9979 Replace uses of fprintf with asm_fprintf where appropriate.
9980 (ARM_DECLARE_FUNCTION_NAME): New macro: Perform any generic ARM
9981 function declaration assembler actions.
9982 (NUM_INTS): New macro: Convert from bytes to words.
9983 (NUM_REGS): New macro: Compute number of registers required to
9984 hold a quanitity of tyep MODE.
9985 (NUM_REGS2): New macro: Like NUM_REGS but also copes with BLKmode
9987 (NUM_ARG_REGS): New macro: The number of argument registers
9989 (ARG_REGISTER): New macro: Compute the register number of the Nth
9991 (LAST_ARG_REGNUM): New macro: The number of the last argument
9993 (SP_REGNUM): New macro: Register number of the stack pointer.
9994 (FP_REGNUM): New macro: Register number of the frame pointer.
9995 (FUNCTION_ARG, FUNCTION_ARG_PARTIAL_NREGS, INIT_CUMULATIVE_AGS,
9996 FUNCTION_ARG_ADVANCE, SETUP_INCOMING_VARARGS): Change
9997 CUMULATIVE_ARGS so that it counts registers not bytes.
9999 * config/arm/arm.c: Rename TARGET_THUMB_INTERWORK to
10001 Replace uses of fprintf with asm_fprintf where appropriate.
10002 (output_ascii_pseudo_op): Replace with version from thumb.c
10004 * config/arm/coff.h (ASM_FILE_START): Emit ASM_APP_OFF.
10006 * config/arm/elf.h (CPP_PREDEFINES): Replace with
10007 SUBTARGET_CPP_SPEC.
10008 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
10009 (ASM_FILE_START): Emit ASM_APP_OFF.
10011 Fri Jul 16 13:48:09 1999 Jeffrey A Law (law@cygnus.com)
10013 * pa.c (compute_frame_size): Round frame according to
10014 STACK_BOUNDARY rather than a hardwired value.
10016 * pa.h (POINTER_SIZE, PARM_BOUNDARY): Define in terms of BITS_PER_WORD.
10018 * configure.in (hppa*-*-hpux11*): Use symbolic MASK_PA_11 instead
10020 * configure: Rebuilt.
10022 * configure.in (hppa*-*-linux*): New configuration.
10023 * configure: Rebuilt.
10024 * pa.h (MAX_OFILE_ALIGNMENT): Delete.
10025 * pa/som.h (MAX_OFILE_ALIGNMENT): Define.
10026 * pa/pa-linux.h: New file.
10027 * pa/t-linux: New file.
10028 * pa/xm-linux.h: New file.
10030 * pa.c (hppa_legitimize_address): Change references from SImode to
10031 either Pmode or word_mode as appropriate.
10032 (emit_move_sequence, store_reg, load_reg): Likewise.
10033 (set_reg_plus_d, hppa_expand_prologue): Likewise.
10034 (output_mul_insn): Likewise.
10035 * pa.h (PROMOTE_MODE): Likewise.
10036 (INITIALZE_TRAMPOLINE): Likewise.
10037 (Pmode): Define to word_mode.
10039 * pa.c (compute_frame_size): Use UNITS_PER_WORD instead of hardwired
10040 value of 4. Allocate 8 bytes for each FP register save.
10041 (hppa_expand_epilogue): Use UNITS_PER_WORD instead of harwarewired
10043 (hppa_expand_prologue): Likewise.
10044 * pa.h (PROMOTE_MODE): Likewise.
10045 (HARD_REGNO_MODE_OK, FUNCTION_ARG_SIZE): Likewise.
10046 (FUNCTION_ARG_BOUNDARY): Likewise.
10048 * invoke.texi (HPPA Options): Remove -mspace/-mno-space.
10050 * pa.c (out_of_line_prologue_epilogue): Delete.
10051 (override_options): Remove -mspace related code.
10052 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
10053 (compute_frame_size): Only allocate space for register that
10054 actually need to be saved.
10055 * pa.h (MASK_SPACE, TARGET_SPACE): Delete.
10056 (TARGET_SWITCHES): Remove -mspace, -mno-space
10057 * pa/t-pa (LIB2FUNCS_EXTRA): Remove ee.asm and ee_fp.asm
10058 * pa/t-pro (LIB2FUNCS_EXTRA): Likewise. Remove -mspace multilib.
10059 * pa/ee.asm, pa/ee_fp.asm: Delete.
10061 * pa/elf.h (ASM_OUTPUT_DOUBLE_INT): Define.
10063 * config/svr4.h (CONST_SECTION_ASM_OP): Do not emit assembler
10064 directive in column zero.
10066 Fri Jul 16 01:39:57 1999 Jeffrey A Law (law@cygnus.com)
10068 * m68k.c (output_function_prologue): Fix computation of save mask
10069 when generating PIC code.
10071 Thu Jul 15 15:40:09 1999 Jim Wilson <wilson@cygnus.com>
10073 * tree.c (build_type_attribute_variant): Move current_obstack restore
10074 after build_qualified_type call.
10076 1999-07-15 Mark Mitchell <mark@codesourcery.com>
10078 * configure.in: Use t-iris6, even with GNU LD.
10079 * config/mips/iris6gld.h: Fix typo in linker spec.
10080 * config/mips/t-iris6gld: Remove.
10082 Thu Jul 15 15:15:43 1999 David Edelsohn <edelsohn@gnu.org>
10084 * rs6000.md (insv, extzv): Remove SImode dependence in named
10085 patterns. Explicitly generate DImode RTL if PowerPC64 and
10087 (insvdi): Reverse start and size in instruction template.
10089 1999-07-12 Joseph S. Myers <jsm28@cam.ac.uk>
10091 * invoke.texi: Typo fixes.
10093 Wed Jul 14 23:28:06 1999 Jeffrey A Law (law@cygnus.com)
10095 * emit-rtl.c (gen_realpart): Issue an error for cases GCC can not
10096 handle at this time instead of silently generating incorrect code.
10097 (gen_imagpart): Likewise.
10099 * reload.c (find_reloads): Emit a USE for a pseudo register without
10100 a hard register if we could not create an optional reload for the
10103 Wed Jul 14 23:45:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
10105 * c-typeck.c (output_init_element, process_init_element):
10106 When advancing constructor_unfilled_fields for a RECORD_TYPE,
10107 check for nameless bit fields.
10109 Wed Jul 14 01:57:39 1999 Richard Henderson <rth@cygnus.com>
10111 * regclass.c (scan_one_insn): Notice subregs that change the
10112 size of their operand.
10113 (record_reg_classes): Use that to obey CLASS_CANNOT_CHANGE_SIZE.
10115 Wed Jul 14 01:41:42 1999 Jeffrey A Law (law@cygnus.com)
10117 * configure.in (alpha*-*-*): Include alpha/t-ieee.
10118 * configure: Rebuilt.
10119 * alpha/t-ieee: New file.
10121 Tue Jul 13 10:45:58 1999 Jeffrey A Law (law@cygnus.com)
10123 * rs6000.c (find_addr_reg): Do not select r0 as an address
10126 Tue Jul 13 00:46:18 1999 Philippe De Muyter <phdm@macqel.be>
10128 * m68k/x-mot3300 (XCFLAGS): List of big files now includes `cse.o'.
10130 Mon Jul 12 14:29:15 1999 Jeffrey A Law (law@cygnus.com)
10132 * rs6000.md (movsf): Do not force easy FP constants into memory.
10134 * expr.c (expand_expr, case PLUS_EXPR): Pass constants through
10135 immed_double_const to ensure they are properly truncated then
10138 Mon Jul 12 10:40:01 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
10140 * config/arm/thumb.c (thumb_reorg): Call replace_symbols_in_block
10141 always unless NO_DEBUG is used. Compile this code
10143 (replace_symbols_in_block): Compile it unconditionally.
10145 Sun Jul 11 12:32:32 1999 Jeffrey A Law (law@cygnus.com)
10147 * configure.in (i?86-*-elf*): New target.
10148 * configure: Rebuilt.
10149 * i386/i386elf.h, i386/t-i386elf: New files.
10151 Fri Jul 9 22:39:44 1999 Jason Merrill <jason@yorick.cygnus.com>
10153 * toplev.c (main): Don't complain about saying -gdwarf.
10154 (rest_of_compilation): Remove redundant code.
10156 Fri Jul 9 19:08:55 1999 Jim Wilson <wilson@cygnus.com>
10158 * unroll.c (unroll_loops): Don't delete named CODE_LABELs.
10160 Fri Jul 9 18:54:18 1999 Felix Lee <flee@cygnus.com>
10162 * config/i960/i960.c (ret_label): Change asm label from "LR:" to
10163 "Li960R:", to avoid name clash.
10165 Fri Jul 9 10:48:28 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10167 * loop.c (check_dbra_loop): When reversing a loop, delete all
10168 REG_EQUAL notes referencing the reversed biv except those which are
10169 for a giv based on it.
10171 Fri Jul 9 03:51:52 1999 Jeffrey A Law (law@cygnus.com)
10173 * version.c: Drop "gcc-" prefix from version #.
10175 Thu Jul 8 18:06:30 1999 Jason Merrill <jason@yorick.cygnus.com>
10177 * dwarf2out.c (dwarf2out_line): Emit a line number comment after
10178 the label if we're being verbose.
10180 Thu Jul 8 14:18:46 1999 Richard Henderson <rth@cygnus.com>
10182 * m68k.c (output_function_prologue): Add pic register to mask
10183 if live and flag_pic.
10184 (output_function_epilogue): Likewise.
10186 Thu Jul 8 12:55:12 1999 Jeffrey A Law (law@cygnus.com)
10188 * dbxelf.h (ASM_OUTPUT_SOURCE_LINE): Do not put assembler
10189 directives in column zero.
10191 * pa/elf.h (ASM_FILE_START): Define.
10192 * pa/som.h (ASM_FILE_START): Include .level directives.
10193 * pa/hpux10.h (ASM_FILE_START): Delete.
10194 * pa/hpux11.h (ASM_FILE_START): Delete.
10196 * pa/elf.h (BSS_SECTION_ASM_OP): Use .section .bss.
10198 Thu Jul 8 18:03:19 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
10200 * reload1.c (choose_reload_regs): Never call remove_adress_replacements
10201 when reload_out equals reload_in.
10203 Thu Jul 8 16:50:14 1999 Nick Clifton <nickc@cygnus.com>
10205 * invoke.texi (Spec Files): New node: Describe the contents of
10208 Thu Jul 8 10:28:25 1999 Craig Burley <craig@jcb-sc.com>
10210 * invoke.texi (DEC Alpha Options): Put @end table at
10211 beginning of line, to avoid confusing texi2html.
10213 Thu Jul 8 09:22:06 1999 Nick Clifton <nickc@cygnus.com>
10215 * config/arm/elf.h (ASM_OUTPUT_INTERNAL_LABEL): Fixed typo
10216 introduced in previous delta.
10218 Wed Jul 7 02:00:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10220 * reload1.c (gen_reload): When synthesizing a 3 operand add
10221 sequence, improve test for when to reload OP1 into the reload
10222 register instead of OP0.
10224 Wed Jul 7 01:38:03 1999 Jim Wilson <wilson@cygnus.com>
10226 * unroll.c (unroll_loop): Don't delete NOTE_INSN_DELETED_LABEL notes.
10228 1999-07-07 Manfred Hollstein <mhollstein@cygnus.com>
10230 * m88k/dguxbcs.h (CPP_SPEC): Add missing \ in multi-line
10233 Wed Jul 7 01:16:43 1999 Richard Henderson <rth@cygnus.com>
10235 * ginclude/varargs.h (__builtin_va_alist_t): New typedef.
10236 (va_dcl): Use __builtin_va_alist_t.
10238 Wed Jul 7 01:14:42 1999 Jason Merrill <jason@yorick.cygnus.com>
10240 * dwarf2out.c (gen_struct_or_union_type_die): Only remember types
10241 on the permanent_obstack.
10242 * dwarfout.c (output_type): Likewise.
10244 Tue Jul 6 15:25:32 1999 Gavin Romig-Koch <gavin@cygnus.com>
10246 * c-common.c (unsigned_type,signed_type,signed_or_unsigned_type) :
10247 Merged from c-typeck.c and cp/typeck.c.
10248 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
10249 Merged into c-common.
10251 Tue Jul 6 13:06:01 1999 Dave Brolley <brolley@cygnus.com>
10253 * c-lex.c (errorcount): Declare it.
10254 (finish_parse): Update errorcount when using CPPLIB.
10256 1999-07-06 Bruce Korb <ddsinc09@ix.netcom.com>
10258 * fixinc/inclhack.def(end_else_label): Double the backslash so
10259 sed gets a chance to see it.
10260 * fixinc/inclhack.sh: regen
10261 * fixinc/fixincl.x: regen
10263 Fri Jul 2 18:49:51 1999 Nick Clifton <nickc@cygnus.com>
10265 Add framework to support armv5 architecture when it becomes
10268 * config/arm/arm.c (FL_ARCH5): New processor capability flag.
10269 (arm_arch5): New variable.
10270 (all_architectures): Add armv5 line.
10271 * config/arm/arm.h (CPP_CPU_ARCH_SPEC): Define __ARM_ARCH_5__ if
10272 -march=armv5 is specified on the command line.
10273 (arm_arch5): Export this variable.
10274 * invoke.texi: Document new string accepted by -march= switch for
10277 * config/arm/arm.h: Replace use of constant 12 as a register
10278 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
10279 * config/arm/arm.c: Replace use of constant 12 as a register
10280 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
10282 * config/arm/elf.h: Tidy up.
10283 * config/arm/coff.h: Tidy up.
10285 Thu Jul 1 19:08:13 1999 Mark P. Mitchell <mark@codesourcery.com>
10287 * gcc/configure.in (mips-sgi-irix6*): Handle --with-gnu-ld.
10288 * gcc/config/mips/t-iris6gld: New file.
10289 * gcc/config/mips/iris6gld.h: Likewise.
10291 Fri Jul 2 13:23:39 1999 Gavin Romig-Koch <gavin@cygnus.com>
10293 * c-decl.c (widest_integer_literal_type_node,
10294 widest_unsigned_literal_type) : New.
10295 (init_decl_processing): Handle/use the two new types.
10296 * c-common.c (type_for_size,type_for_mode) : Same.
10297 * c-lex.c (yylex) : Same.
10298 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
10300 * c-tree.h (widest_integer_literal_type_node,
10301 widest_unsigned_literal_type) : New.
10303 Fri Jul 2 03:05:44 1999 Jeffrey A Law (law@cygnus.com)
10305 * dwarfout.c (field_byte_offset): Correctly compute the object's
10306 byte offset for the first bit of a field which crosses an alignment
10307 boundary on a !BYTES_BIG_ENDIAN target.
10309 Fri Jul 2 01:36:36 1999 Robert Lipe <robertlipe@usa.net>
10311 * fixinc.svr4: Fix <arpa/inet.h> by deleting protos for htons and
10314 Fri Jul 2 00:46:47 1999 Richard Henderson <rth@cygnus.com>
10315 Jeff Law <law@cygnus.com>
10317 * ginclude/varargs.h (va_dcl): Use word_mode for type of
10320 * except.c: Include intl.h.
10321 (expand_eh_return): Set current_function_cannot_inline.
10322 (save_eh_status, restore_eh_status): Twiddle eh_return_stub_label.
10323 * function.h (struct function): Add eh_return_stub_label.
10324 * flow.c (delete_unreachable_blocks): Don't merge across EH edges.
10325 * Makefile.in (except.o): Depend on intl.h.
10327 Fri Jul 2 00:04:23 1999 David Edelsohn <edelsohn@gnu.org>
10329 * rs6000.md (movdf_hardfloat32): Handle PRE_INC and PRE_DEC the
10330 same as offsettable in cases 1 and 2.
10332 Thu Jul 1 20:54:10 1999 Richard Henderson <rth@cygnus.com>
10334 * alpha.md (extqh): Define as 64-((R&7)*8) instead of 56-(((R-1)&7)*8).
10335 (extlh, extwh): Likewise.
10337 Thu Jul 1 11:05:25 1999 Gavin Romig-Koch <gavin@cygnus.com>
10339 * c-lex.c (yylex): Improve 'integer constant out of range' messages.
10341 Wed Jun 30 16:51:41 1999 Nick Clifton <nickc@cygnus.com>
10343 * configure.in: Add arm-pe and thumb-pe targets.
10344 * configure: Regenerate.
10346 * thumb.c (arm_naked_function_p): New function: Determines if
10347 a function is naked (has no gcc generated prologue/epilogue).
10348 (is_called_in_ARM_mode): Return true if the func has the
10349 interfacearm attribute.
10350 (output_return): Do not generate a return for naked functions.
10351 (thumb_function_prologue): Do not generate a prologue for
10353 (thumb_expand_prologue): Do not generate a prologue for naked
10355 (thumb_expand_epilogue): Do not generate an epilogue for naked
10357 (arm_valid_machine_decl_attribute): New function, copied from
10358 arm.c: Permit naked and interfacearm attributes.
10360 * config/arm/pe.c: New file: Support code for arm-pe target.
10361 * config/arm/pe.h: New file: Header file for arm-pe target.
10362 * config/arm/tpe.h: New file: Header file for thumb-pe target.
10363 * config/arm/t-thumb-pe: New file: Makefile fragment for
10366 1999-07-01 Mark Kettenis <kettenis@gnu.org>
10368 * config/i386/gnu.h (CPP_SPEC): Define __PIC__ and __pic__ if
10369 -fPIC or -fpic is specified.
10371 Wed Jun 30 03:31:54 1999 Jeffrey A Law (law@cygnus.com)
10373 * expr.c (emit_block_move): Use copy_to_mode_reg for
10374 !TARGET_MEM_FUNCTIONS case too.
10376 * configure.in (hppa*-*-*): Add som.h or elf.h to tm_file as
10378 * configure: Rebuilt.
10379 (hppa1.1-*-pro*, hppa1.1-*-rtems*): Define target_cpu_default.
10380 * pa.h: Include dbxelf.h. Delete various dbx/stabs related
10381 definitions made redundant by dbxelf.h inclusion. Delete
10382 lots of definitions related to assembly output that are
10383 specific to the SOM object format.
10384 * pa.c (output_function_prologue): Do not emit the function's
10386 * pa-pro-end.h (STARTFILE_SPEC): Undefine before redefining.
10387 * pa-pro.h: Deleted.
10388 * som.h: New file with SOM specific definitions.
10389 * elf.h: New file with ELF specific definitions.
10391 * elfos.h (const_section): Output a tab before assembler directives.
10392 (ctors_section, dtors_section): Likewise.
10393 (ASM_OUTPUT_SECTION_NAME): Likewise.
10395 * pa/pa1.h: Delete unused file.
10397 Tue Jun 29 01:37:53 1999 Jeffrey A Law (law@cygnus.com)
10399 * configure.in (hppa*-hp-hpux11*): New configuration.
10400 * configure: Rebuilt.
10401 * pa/pa-hpux11.h: New file.
10402 * pa.h (CPP_SPEC): Conditionally add -D__STDC_EXT__ to the cpp
10405 * mips.md (leasi, leadi): New patterns.
10407 * expr.c (emit_block_move): Properly handle case where one of the
10408 block move arguments has a queued increment or decrement.
10409 (clear_storage): Similarly. Fix formatting goof.
10411 1999-06-28 "David O'Brien" <obrien@NUXI.com>
10413 * fixinc/inclhack.def(stdio_va_list): This patch Removes a
10414 semicolon from the BSD VA_LIST replacement expression.
10416 * fixinc/inclhack.sh: regen
10417 * fixinc/fixincl.x: regen
10419 * fixinc/mkfixinc.sh: Have `i[34567]86-*-freebsd*' machines
10420 now use the fixincl program.
10422 Mon Jun 28 05:28:12 1999 Jeffrey A Law (law@cygnus.com)
10424 * m68k.h (CONDITIONAL_REGISTER_USAGE): Define for !SUN_FPA
10425 case. Also make the PIC register call_used.
10427 * m68k.h (FINALIZE_PIC): Delete.
10428 * m68k.c (finalize_pic): Delete.
10430 Mon Jun 28 05:16:35 1999 Richard Henderson <rth@cygnus.com>
10432 * m68k.h (PREFERRED_RELOAD_CLASS): Don't force any FP const_doubles
10435 Mon Jun 28 04:07:27 1999 David Edelsohn <edelsohn@gnu.org>
10437 * expmed.c (expand_divmod): Ensure unsigned value fits in reg_note.
10439 Sun Jun 27 02:39:08 1999 Richard Henderson <rth@cygnus.com>
10441 * jump.c (jump_optimize_1): Validate the cmov copy to a temporary.
10443 Sat Jun 26 17:18:18 1999 David Edelsohn <edelsohn@gnu.org>
10445 * rs6000.c (print_operand, case 'L'): Use plus_constant_for_output.
10447 Fri Jun 25 11:33:24 1999 Richard Henderson <rth@cygnus.com>
10449 * alpha.c (override_options): Add -mcpu=ev45 as an alias for ev4.
10451 Fri Jun 25 13:41:25 1999 David Edelsohn <edelsohn@gnu.org>
10453 * rs6000.c (output_toc): Always use hex values for floating-point
10454 constants. Store single-precision values in upper-half of TOC
10455 entry in 64-bit mode.
10456 * rs6000.md (floatsidf2, floatunssidf2): Add !TARGET_POWERPC64
10457 to final constraints.
10458 (fix_truncdfsi2 splitter): Change pattern matching fctiwz.
10459 (fctiwz): Improve accuracy of RTL for pattern.
10461 Fri Jun 25 11:26:38 1999 Gavin Romig-Koch <gavin@cygnus.com>
10463 * expr.c (expand_expr): Allow RTL_EXPR's through the
10464 MAX_INTEGER_COMPUTATION_MODE checks.
10466 Fri Jun 25 06:06:37 1999 Richard Henderson <rth@cygnus.com>
10468 * alpha.h (MASK_SUPPORT_ARCH, MASK_CPU_EV5, MASK_CPU_EV6): Define
10469 such that MASK_SUPPORT_ARCH is not negative.
10471 Fri Jun 25 05:35:44 1999 Jeffrey A Law (law@cygnus.com)
10473 * loop.c (verify_dominator): Properly handle ADDR_VEC and
10474 ADDR_DIFF_VEC insns that appear inside loops.
10476 Thu Jun 24 22:54:05 1999 David Edelsohn <edelsohn@gnu.org>
10477 Jeff Law <law@cygnus.com>
10479 * rs6000.md (movdf_hardfloat32): Revert previous patch.
10480 Handle LO_SUM the same as offsettable in cases 1 and 2.
10481 * rs6000.c (find_addr_reg): Revert previous patch.
10483 Thu Jun 24 22:43:12 1999 Philippe De Muyter <phdm@macqel.be>
10485 * system.h (strstr): New external function declaration.
10486 * acconfig.h (NEED_DECLARATION_STRSTR): New define slot.
10487 * configure.in (GCC_NEED_DECLARATIONS): Check for strstr.
10488 * config.in, configure: Rebuilt.
10490 1999-06-24 Tom Tromey <tromey@cygnus.com>
10492 * gcc.c (main): Read user-specified specs files after computing
10493 additional startfile_prefixes.
10495 Thu Jun 24 15:00:47 1999 Mark Mitchell <mark@codesourcery.com>
10497 Revert these two patches:
10499 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
10500 * loop.c (strength_reduce): When doing biv->giv conversion, update
10501 reg note of NEXT->insn.
10503 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
10504 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
10506 (recombine_givs): Set ix field after sorting.
10508 Wed Jun 23 21:26:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
10510 * rtlanal.c (reg_referenced_p): Use reg_overlap_mentioned_p
10511 for the parts of an UNSPEC / UNSPEC_VOLATILE.
10513 1999-06-23 Bruce Korb <ddsinc09@ix.netcom.com>
10515 *fixinc/inclhack.def: Add fix development commentary
10516 (read_ret_type): reactivate and add selection clause
10517 (zzz_*): tweak output file name to match what is used in hackshell.tpl
10518 *fixinc/{fixincl.x|inclhack.sh}: regen
10520 Wed Jun 23 00:48:21 1999 Jason Merrill <jason@yorick.cygnus.com>
10522 * expr.c (expand_expr): STRIP_NOPS before checking against
10523 MAX_INTEGER_COMPUTATION_MODE
10524 (check_max_integer_computation_mode): Likewise.
10526 Tue Jun 22 20:23:43 1999 Jim Wilson <wilson@cygnus.com>
10528 * md.texi (smul@var{m}3_highpart): Add missing 's' prefix.
10530 1999-06-22 Jim Wilson <wilson@cygnus.com>
10532 * expr.c (store_expr): When target is a promoted subreg, return a
10533 promoted subreg as a result.
10535 Tue Jun 22 17:14:58 1999 Michael Meissner <meissner@cygnus.com>
10537 * dwarf2out.c (dwarf2out_frame_debug_expr): Reformat to match GNU
10539 (dwarf2out_define): Mark unused parameters appropriately.
10540 (gen_unspecified_parameters_die): Ditto.
10541 (gen_subprogram_die): Fix signed/unsigned warnings.
10542 (gen_variable_die): Ditto.
10544 1999-06-22 Bruce Korb <ddsinc09@ix.netcom.com>
10546 * fixinc/inclhack.def(end_else_label): combined else_label
10547 and endif_label and fixed the sed expression.
10548 *fixinc/{fixincl.x|inclhack.sh}: regen
10550 Tue Jun 22 01:58:18 1999 Jeffrey A Law (law@cygnus.com)
10552 * rs6000.md (movdf_hardfloat32): Use %X instead of always emitting
10553 'x' when handling non-offsettable addresses
10555 Tue Jun 22 00:20:05 1999 Richard Earnshaw (rearnsha@arm.com)
10557 * final.c (shorten_branches): Don't try to split an insn that has
10560 Mon Jun 21 12:47:39 1999 Mark Mitchell <mark@codesourcery.com>
10562 * config/mips/mips.c (symbolic_expression_p): New function.
10563 (mips_select_rtx_section): Put symbolic expressions in the
10564 data section, not the read-only data section.
10566 Mon Jun 21 22:13:06 1999 Jeffrey A Law (law@cygnus.com)
10568 * rs6000.md (find_addr_reg): Handle LO_SUM addresses.
10570 Mon Jun 21 20:10:42 1999 Richard Henderson <rth@cygnus.com>
10572 * collect2.c (main): Log frame table count.
10573 (GCC_OK_SYMBOL) [ECOFF]: Accept stGlobal.
10574 (scan_prog_file) [COFF]: Handle frame tables.
10576 * alpha/alpha.h (UNALIGNED_SHORT_ASM_OP): Define.
10577 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): Define.
10578 * alpha/elf.h: Undef them again.
10579 * alpha/vms.h: Remove their definitions.
10581 Tue Jun 22 03:17:53 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
10583 * sh.c (machine_dependent_reorg): When fixing up fp pcloads,
10584 remove the clobber of r0 and change the REG_UNUSED note to
10587 1999-06-21 Jakub Jelinek <jj@ultra.linux.cz>
10589 * real.c (ereal_from_double): Fix for 64-bit big endian hosts.
10590 * emit-rtl.c (gen_lowpart_common): Add case for hosts where double
10591 fits in HOST_WIDE_INT and one uses union to access a long constant
10594 Mon Jun 21 17:18:25 1999 Richard Henderson <rth@cygnus.com>
10596 * sparc.c (sparc_override_options): Don't allow profiling for
10597 code models other than medlow.
10598 (sparc_function_profiler): New function from old FUNCTION_PROFILER
10599 macro. Use ASM_GENERATE_INTERNAL_LABEL and MCOUNT_FUNCTION.
10600 (sparc_function_block_profiler): Likewise. Use user_label_prefix.
10601 (sparc_block_profiler): Likewise.
10602 (sparc_function_block_profiler_exit): Likewise.
10603 * sparc.h (FUNCTION_PROFILER): Call new sparc.c function.
10604 (FUNCTION_BLOCK_PROFILER): Likewise.
10605 (BLOCK_PROFILER): Likewise.
10606 (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
10607 (MCOUNT_FUNCTION): New.
10608 * sparc/pbd.h (FUNCTION_PROFILER): Delete.
10609 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Delete.
10610 * sparc/sun4o3.h (FUNCTION_PROFILER): Delete.
10611 (MCOUNT_FUNCTION): New.
10612 * sparc/sysv4.h (FUNCTION_BLOCK_PROFILER): Delete.
10613 (BLOCK_PROFILER): Delete.
10614 (MCOUNT_FUNCTION): New.
10616 Mon Jun 21 14:11:29 1999 David Edelsohn <edelsohn@gnu.org>
10618 * rs6000.md (movdf_hardfloat32): Fix typo in case 2.
10620 Mon Jun 21 12:27:17 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
10622 * config/mips/elf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
10625 * config/m68k/m68kelf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
10628 * config/sh/sh.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
10631 * config/arm/telf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
10634 Mon Jun 21 14:58:42 1999 Nick Clifton <nickc@cygnus.com>
10636 * config/arm/arm.h: Add cpp support for ARM920 and ARM920T cpu
10639 Mon Jun 21 06:22:21 1999 Mark Elbrecht <snowball3@bigfoot.com>
10641 * i386/djgpp.h (LIB_SPEC): New.
10642 (STARTFILE_SPEC): New.
10644 * i386/xm-djgpp.h (NO_SYS_SIGLIST): Deleted. Now obsolete.
10646 Mon Jun 21 06:19:33 1999 Philippe De Muyter <phdm@macqel.be>
10648 * fixinc/Makefile.in (gnu-regex.o): Do not define STDC_HEADERS in
10651 * system.h (WSTOPSIG): New macro.
10653 Mon Jun 21 05:33:15 1999 Mumit Khan <khan@xraylith.wisc.edu>
10655 * c-pragma.c (push_alignment): Don't ignore alignments greater than
10657 (insert_pack_attributes): Take into account member natural
10660 * i386/winnt.c (exports_head): New static variable.
10661 (i386_pe_record_exported_symbol): New function.
10662 (i386_pe_asm_file_end): Use.
10663 * i386/cygwin.h (ASM_OUTPUT_COMMON): Record the exported
10664 symbols to be emitted at end of assembly.
10665 (ASM_DECLARE_OBJECT_NAME): Likewise.
10666 (ASM_DECLARE_FUNCTION_NAME): Likewise.
10668 * i386/uwin.h (CPP_SPEC): Use -idirafter instead -iprefix and
10671 Mon Jun 21 04:44:31 1999 Jeffrey A Law (law@cygnus.com)
10673 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Fix paren error introduced
10676 Sun Jun 20 17:27:20 1999 Richard Henderson <rth@cygnus.com>
10678 * haifa-sched.c (sched_analyze_1): Use free_list instead of
10679 zapping reg_last_uses directly.
10680 (sched_analyze_2, sched_analyze_insn): Likewise.
10681 (sched_analyze): Likewise. Don't clear reg_last_uses on calls.
10683 Sun Jun 20 16:57:29 1999 David Edelsohn <edelsohn@gnu.org>
10685 * rs6000.md (movdf_hardfloat32): Use worst case insn length
10686 attributes for cases 1 and 2.
10688 Sat Jun 19 22:52:55 1999 Richard Henderson <rth@cygnus.com>
10690 * haifa-sched.c (sched_analyze): Mark call-user regs as clobbered
10693 Sat Jun 19 05:40:07 1999 Philip Blundell <pb@nexus.co.uk>
10695 * arm.c (arm_reload_in_hi): Invert sense of test on BYTES_BIG_ENDIAN.
10697 Sat Jun 19 05:25:05 1999 Richard Earnshaw (rearnsha@arm.com)
10699 * arm.h (CONDITIONAL_REGISTER_USAGE): If flag_pic, never use
10700 PIC_OFFSET_TABLE_REGNUM for general alloaction.
10701 (INITIAL_ELIMINATION_OFFSET): Count the fact that the PIC register
10702 must be stacked if it is used for PIC accesses.
10703 * arm.c (use_return_insn): Handle PIC register specially.
10704 (output_return_instruction): Likewise.
10705 (output_func_{prologue,epilogue}): Likewise.
10706 (output_expand_prologue): Likewise.
10708 * arm.md (*adddf_esfdf_df): Renamed from *adddf_df_esfdf.
10709 (*strsi_predec): Renamed from *strqi_predec.
10710 (*loadsi_shiftpreinc): Renamed from *loadqi_shiftpreinc.
10711 (*loadsi_shiftpredec): Renamed from *loadqi_shiftpredec.
10713 * arm.c (arm_override_options): Remove warning about PIC code
10714 not being supported.
10716 Fri Jun 18 23:47:06 1999 David Edelsohn <edelsohn@gnu.org>
10718 * rs6000.c (find_addr_reg): New function.
10719 * rs6000.h (find_addr_reg): Declare.
10720 (offsettable_addr_operand): Delete.
10721 * rs6000.md (movdf_hardfloat32): Handle non-offsettable loads
10722 from and stores to GPRs.
10724 Fri Jun 18 15:44:18 1999 Richard Henderson <rth@cygnus.com>
10726 * alpha.c (alpha_expand_block_move): Use get_insns rather than
10727 gen_sequence as argument to emit_no_conflict_block.
10729 Fri Jun 18 07:02 1999 Bruce Korb <ddsinc09@ix.netcom.com>
10731 * fixinc/mkfixinc.sh: enable the fixincl program for DG/UX
10732 * fixinc/inclhack.def(dgux_int_varargs): script must end with \n
10733 *fixinc/fixincl.x: regen
10734 *fixinc/inclhack.sh: regen
10736 Thu Jun 17 15:06:10 PDT 1999 Don Lindsay <dlindsay@cygnus.com>
10738 * added support for -mpcrel (PC relative addressing for m68k)
10739 based on code done by Michael Tiemann <tiemann@axon.cygnus.com>.
10740 * invoke.texi (m68000 options): Add documentation for -mpcrel flag.
10741 * m68k.c (print_operand_address): Handle 32-bit PIC case.
10742 (comments for general_src_operand): Add some explanation
10743 about EXTRA_CONSTRAINTS.
10744 (OVERRIDE_OPTIONS): Enable -fPIC in combination with -mpcrel.
10745 * m68kelf.h (OVERRIDE_OPTIONS): Ditto.
10746 (LEGITIMATE_PIC_OPERAND_P): Fix typo.
10747 (LEGITIMATE_PIC_OPERAND_P): Re-derive from m68k.h case.
10748 * m68k.h (LEGITIMATE_PIC_OPERAND_P): Fix delete-o.
10749 (INDIRECTABLE_1_ADDRESS): Delete spurious '/' at end of macro.
10750 (OVERRIDE_OPTIONS): Change behavior so that -mpcrel implies -fpic
10751 if not already set.
10752 (OVERRIDE_OPTIONS): Merge in changes from m68k.h.
10753 * m68k.h (TARGET_PCREL): New target flag.
10754 (TARGET_SWITCHES): Add "pcrel" as a recognized switch.
10755 (OVERRIDE_OPTIONS): Add checks for -mpcrel.
10756 (LEGITIMATE_PIC_OPERAND_P): Don't normally accept anything that
10757 contains a SYMBOL_REF. Relax this constraint during reload, since
10758 we want to use the predicates, not reload's built-in concept of a
10759 valid memory address, to control what insns need reloading.
10760 (EXTRA_CONSTRAINT): Define constraints to accept pc-relative
10761 operands (essentially 'g', 'm', and 's' under normal circumstances).
10762 * m68k.c (print_operand): Cause printing of pc-relative addresses
10763 to include pc register.
10764 (print_operand_address): Ditto.
10765 (general_src_operand): Accept operands that are not only
10766 general_operands, but are also valid when used as a pc-relative
10768 (nonimmediate_src_operand): Similar, for nonimmediate_operands.
10769 (memory_src_operand): Similar, for memory_operands.
10770 (pcrel_address): New predicate to accept the special case of a
10771 pc-relative address.
10772 * m68k.md (many patterns): Rewrite common SImode, HImode, and
10773 QImode insns to accept *_src_operand instead of *_operand where
10774 pc-relative operands can fit. For example, a pc-relative operand
10775 can be used as a memory source operand for addsi3, but not as a
10776 memory destination.
10777 * hp320.h linux.h m68kv4.h (LEGITIMATE_PIC_OPERAND_P) as in m68k.h.
10779 Fri Jun 18 09:11:07 1999 Nick Clifton <nickc@cygnus.com>
10781 * config/arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS): New Marco: USe
10782 .thumb_set pseudo op to mark aliases of thumb functions.
10784 Wed Jun 16 18:19:13 1999 Nick Clifton <nickc@cygnus.com>
10786 * varasm.c (assemble_alias): Use ASM_OUTPUT_DEF_FROM_DECLS in
10787 preference to ASM_OUTPUT_DEF, if it is defined.
10789 * tm.texi: Document new, optional target macro
10790 ASM_OUTPUT_DEF_FROM_DECLS.
10792 Thu Jun 17 15:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
10794 * fixincludes: ISCNTL patch
10795 * fixinc/inclhack.def (ioctl_fix_ctrl): Fix the definition of [_]*ISCTRL().
10796 (dgux_int_varargs): new for DG/UX
10797 * fixinc/{fixincl.x,inclhack.sh}: Regenerated.
10799 Thu Jun 17 21:34:24 1999 Jeff Law <law@cygnus.com>
10801 * invoke.texi (ia32 options): Fix typo.
10803 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
10805 * loop.c (strength_reduce): When doing biv->giv conversion, update
10806 reg note of NEXT->insn.
10808 Thu Jun 17 14:25:08 1999 Jeffrey A Law (law@cygnus.com)
10810 * loop.c (move_movables): Note issues with replacing REGs with
10812 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Handle SUBREGs properly.
10814 Thu Jun 17 13:28:30 1999 David O'Brien <obrien@FreeBSD.org>
10816 * i386/freebsd-elf.h (LINK_SPEC): Fix typo.
10818 * i386/freebsd-elf.h (FUNCTION_PROFILER): labels are not needed and
10819 the reference to `mcount' was not correct for the ELF on FreeBSD.
10821 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
10823 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
10826 (recombine_givs): Set ix field after sorting.
10828 Thu Jun 17 02:54:30 1999 Jeffrey A Law (law@cygnus.com)
10830 * emit-rtl.c (operand_subword): Tighten checks for when it is safe
10831 to safe to extract a subword out of a REG.
10833 Thu Jun 17 01:45:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
10835 * sh.md (mulsi3): Don't add a no-op move at the end.
10837 Wed Jun 16 20:29:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
10839 * cse.c (cse_insn): Don't put hard register source into tables for
10840 the last insn of a libcall.
10842 Wed Jun 16 19:44:33 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
10844 * loop.c (strength_reduce): Insert sets of derived givs at every
10845 biv increment, even if it's the only one.
10847 Wed Jun 16 10:33:02 1999 Jason Merrill <jason@yorick.cygnus.com>
10849 * dwarfout.c (add_incomplete_type): New fn.
10850 (output_type): Call it.
10851 (retry_incomplete_types): New fn.
10852 (dwarfout_finish): Call it.
10854 From Eric Raskin <ehr@listworks.com>:
10855 (output_type): Output types for bases.
10857 Tue Jun 15 12:51:23 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
10859 * mips.c (mips_output_conditional_branch): Add `break'
10860 between `default' label and `close braces'.
10862 Tue Jun 15 01:55:20 1999 David O'Brien <obrien@FreeBSD.org>
10864 * i386/freebsd-elf.h (LINK_SPEC): clean up the linking library
10865 specifications and make it realistic.
10866 (LIB_SPEC): Likewise.
10868 Mon Jun 14 15:38:43 1999 Jim Wilson <wilson@cygnus.com>
10870 * config/mips/mips.c (mips_secondary_reload_class): Check for
10871 (PLUS (SP) (REG)) and return appropriate register class.
10872 * config/mips/mips.md (reload_insi): Delete predicate for operand 1.
10873 Handle (PLUS (SP) (REG)).
10874 (tablejump): In mips16 code, use emit_insn instead of emit_jump_insn.
10875 (tablejump_mips161, tablejump_mips162): Use emit_jump_insn instead
10876 of emit_insn for tablejump.
10878 Mon Jun 14 17:26:40 1999 David Edelsohn <edelsohn@gnu.org>
10880 * rs6000.c (output_prolog): RS6000_CALL_GLUE must be
10881 asm_fprintf format string by itself.
10882 (output_function_profiler): Likewise.
10884 Mon Jun 14 12:57:38 1999 David Mosberger <davidm@hpl.hp.com>
10886 * combine.c (simplify_logical, case AND): Only call
10887 simplify_and_const_int if the mode is no wider than HOST_WIDE_INT
10888 or the constant is positive.
10890 Mon Jun 14 11:43:41 1999 Nick Clifton <nickc@cygnus.com>
10892 * configure.in: Fix typo in rs6000-ibm-aix4 case.
10893 * configure: Regenerate.
10895 Mon Jun 14 03:55:40 1999 Jeffrey A Law (law@cygnus.com)
10897 * configure.in (rs6000-ibm-aix4.3*, powerpc-ibm-aix4.3*): Do not
10898 require a sub-version #.
10899 * configure: Rebuilt.
10901 1999-06-14 Robert Lipe (robertlipe@usa.net)
10903 * svr4.h (DWARF2_DEBUGGING_INFO): Check for redefinition.
10905 Mon Jun 14 10:30:52 BST 1999 Nathan Sidwell <nathan@acm.org>
10907 * c-typeck.c (process_init_element): Detect excess elements in
10908 char array initializer.
10910 1999-06-14 Andreas Jaeger <aj@arthur.rhein-neckar.de>
10912 * gcc.texi: Mention gcc 2.96 instead of egcs 1.00.
10914 Sat Jun 12 22:29:48 EDT 1999 Jerry Quinn <jquinn@nortelnetworks.com>
10916 * invoke.texi (Option Summary): Add -fpermissive flag.
10918 Sat Jun 12 03:40:42 1999 Jeffrey A Law (law@cygnus.com)
10920 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Do nothing with operands
10921 that require PIC code sequences.
10923 Wed Jun 9 16:29:01 1999 Nick Clifton <nickc@cygnus.com>
10925 * configure.in: Add new target: thumb-elf.
10926 * configure: Regenerate.
10927 * config/arm/t-thumb-elf: New file: Makefile fragment for
10929 * config/arm/telf.h: New file: Header file for thumb-elf
10932 Fri Jun 11 03:17:51 1999 Jeffrey A Law (law@cygnus.com)
10934 * Makefile.in (libgcc2): Pass MAYBE_USE_COLLECT2 as an argument.
10935 * libgcc2.c (__CTOR_LIST, __DTOR_LIST); Do not provide
10936 initializers is some circumstances.
10938 * fixinc/inclhack.def (endif_label): Add additional selector for
10939 more bogus stuff after #endif statements.
10940 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
10942 Thu Jun 10 20:44:36 1999 Mumit Khan <khan@xraylith.wisc.edu>
10944 * i386/cygwin.h (SET_ASM_OP): Define.
10946 Thu Jun 10 20:37:57 1999 Mumit Khan <khan@xraylith.wisc.edu>
10948 * reg-stack.c (stack_reg_life_analysis): Find all the RETURN insns.
10950 Thu Jun 10 19:23:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
10952 * sh.h (TARGET_HARWARD, TARGET_HARVARD): Changed the former to the
10955 * sh.md (ic_invalidate_line_i): Remove second alternative.
10957 Thu Jun 10 06:55 1999 Bruce Korb <ddsinc09@ix.netcom.com>
10959 *fixinc/inclhack.def(sun_auth_proto): We do not know how to
10960 test for the presence of valid prototypes. Delete bypass expr.
10961 (ioctl_fix_ctrl): Correct the selection expression.
10962 (no_double_slash): Correct quoting rules
10963 *fixinc/fixincl.x: regen
10964 *fixinc/inclhack.sh: regen
10966 Thu Jun 10 15:08:15 1999 Nick Clifton <nickc@cygnus.com>
10968 * config/arm/arm.c (struct all_cores): Add ARM920 and ARM920t.
10970 Wed Jun 9 15:57:57 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10972 * rs6000.md (movsi_got_internal_mem): Delete.
10973 * rs6000.h (CONDITIONAL_REGISTER_USAGE): Mark PIC_OFFSET_TABLE_REGNUM.
10974 (GOT_TOC_REGNUM): Delete.
10975 (PIC_OFFSET_TABLE_REGNUM): Define.
10976 (FINALIZE_PIC): Disable.
10977 * rs6000.c (rs6000_got_register): New code for fixed pic register.
10978 (rs6000_replace_regno): Delete.
10979 (rs6000_finalize_pic): Likewise.
10980 (output_prolog): Handle PIC_OFFSET_TABLE_REGNUM.
10982 Wed Jun 9 19:44:26 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
10984 * loop.c (loop_insn_first_p): Don't compare LUIDs when P
10985 is a note; use <= for the compare; advance P while it is
10988 Wed Jun 9 13:12:24 1999 Jeffrey A Law (law@cygnus.com)
10990 * fixinc/inclhack.def (no_double_slash): Fix quoting for test.
10991 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh; Rebuilt.
10993 * varasm.c (remove_from_pending_weak_list): Verify t->name
10994 is non-NULL before passing it to strcmp.
10996 Wed Jun 9 06:50 1999 Bruce Korb <ddsinc09@ix.netcom.com>
10998 *fixinc/inclhack.def(sun_auth_proto): bypass the patch if
10999 the typed arguments are not part of a comment
11000 (ioctl_fix_ctrl): Added a purpose comment
11001 *fixinc/fixincl.x: regenerate
11002 *fixinc/inclhack.sh: regenerate
11004 Wed Jun 9 22:57:02 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11006 * invoke.texi: Add C4x invocation docs.
11008 Wed Jun 9 22:34:38 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11010 * config/c4x/c4x.h (TARGET_EXPOSE_LDP, LEGITIMIZE_RELOAD_ADDRESS):
11012 * config/c4x/c4x.c (c4x_emit_move_sequence, src_operand): Use
11014 (c4x_legitimize_reload_address): New function.
11015 * config/c4x/c4x.md: Update docs.
11017 Wed Jun 9 04:14:48 1999 Jeffrey A Law (law@cygnus.com)
11019 * fixincludes: Avoid removing '.'.
11020 * fixinc/fixinc.svr4: Likewise.
11021 * fixinc/fixinc.winnt: Likewise.
11022 * fixinc/inclhack.tpl: Likewise.
11023 * fixinc/fixincl.sh, fixinc/inclhack.sh: Rebuilt.
11025 1999-06-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11027 * fixinc/inclhack.def (sun_catmacro): Escape parens in the select
11029 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuilt.
11031 Wed Jun 9 03:10:34 1999 Mumit Khan <khan@xraylith.wisc.edu>
11033 * c-pragma.c (handle_pragma_token): Handle `#pragma pack()'
11036 Tue Jun 8 13:06:15 1999 Jim Wilson <wilson@cygnus.com>
11038 * configure.in (rs6000-ibm-aix4.[12]*): Change rx6000 to rs6000.
11039 * configure: Regenerate.
11041 Tue Jun 8 05:47:48 1999 Richard Earnshaw (rearnsha@arm.com)
11043 * optabs.c (expand_cmplxdiv_wide): Use expand_abs to get the absolute
11046 Mon Jun 7 22:30:37 1999 Jeffrey A Law (law@cygnus.com)
11048 * fixinc/inclhack.def (avoid_bool): Also catch
11049 "typedef [unsigned] int bool".
11050 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
11052 * m68k/x-hp3bsd44: Delete obsolete and incorrect file.
11053 * configure.in (m68k-hp-bsd4.4): No longer use x-hp3bsd44.
11054 * configure: Rebuilt.
11056 Mon Jun 7 22:05:03 1999 Mark Kettenis <kettenis@gnu.org>
11058 * config/i386/gnu.h: Include <gnu.h> right after <i386/linux.h>,
11059 such that we can override its definitions if necessary.
11060 (CPP_SPEC): New define. Support processor specific predefines via
11062 (CC1_SPEC): New define. Support processor specific compiler
11063 options via %(cc1_cpu).
11064 (STARTFILE_SPEC): New define. Use crt0.o instead of crt1.o for
11067 1999-06-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11069 * fixinc/inclhack.def (math_gcc_ifndefs): Insert whitespace
11070 between sed's -e flag, and the open-quote following it.
11071 * fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
11073 Mon Jun 7 20:34:20 1999 Robert Lipe <robertlipe@usa.net>
11074 Jeffrey A Law (law@cygnus.com)
11076 * varasm.c (assemble_start_function): Remove the function
11077 from the pending weak decls list when we define a function.
11078 (assemble_variable): Similarly for variables.
11079 (weak_finish): Ignore items on the list with a NULL name.
11080 (remove_from_ending_weak_list); New function to "remove" an item
11081 from the pending weak declarations list.
11083 Mon Jun 7 19:27:07 1999 Jerry Quinn <jquinn@nortelnetworks.com>
11085 * pa.md (fmpyfadd, fmpynfadd, fnegabs): New patterns.
11087 Mon Jun 7 14:07:39 1999 Dave Brolley <brolley@cygnus.com>
11089 * c-lex.c (GETC): Redefine to call getch.
11090 (UNGETC): Redefine to call put_back.
11091 (putback_buffer): New structure type.
11092 (putback): New static structure.
11093 (getch): New function.
11094 (put_back): New function.
11095 (yylex): Replace unused bytes from bad multibyte character.
11097 Mon Jun 7 13:33:39 1999 Dave Brolley <brolley@cygnus.com>
11099 * cpplib.c (do_define): Cast `alloca' return value.
11100 (do_include, do_undef, do_pragma): Likewise.
11101 * cpphash.c (dump_definition): Cast `xstrdup' and `alloca' return
11103 * cppfiles.c (initialize_input_buffer): Cast `xmalloc' return values.
11104 * gcc/cppspec.c (lang_specific_driver): Cast xmalloc return value.
11106 Sun Jun 6 11:58:34 1999 Jakub Jelinek <jj@ultra.linux.cz>
11108 * sparc.md (abstf2): This should be an expand.
11109 (split after abstf2_notv9): Fix mode.
11110 (abstf2_hq_v9): New pattern.
11111 (abstf2_v9): Only use when no hard quad.
11112 (absdf2_v9): Fix if target is not the same as source.
11113 (ashrsi3_extend, ashrsi3_extend2, lshrsi3_extend, lshrsi3_extend2):
11114 Add correct output constraints.
11116 Sat Jun 5 17:04:16 1999 Craig Burley <craig@jcb-sc.com>
11118 From Dave Love to egcs-patches on 20 May 1999 17:38:38 +0100:
11119 * invoke.texi: Clarify text vis-a-vis Intel CPUs.
11121 Sat Jun 5 12:11:24 1999 Mark Mitchell <mark@codesourcery.com>
11123 * mips.h (mips_output_conditional_branch): New function.
11124 (mips_adjust_insn_length): Likewise.
11125 (ASSEMBLER_SCRATCH_REGNUM): New macro.
11126 (ADJUST_INSN_LENGTH): Likewise.
11127 * mips.c (print_operand): Add `F' and `W' for floating-point
11128 comparison opcodes.
11129 (machine_dependent_reorg): Adjust MIPS16 code; instruction-lengths
11131 (mips_adjust_insn_length): New function.
11132 (mips_output_conditional_branch): New function.
11133 * mips.md (length): Adjust attribute definition to handle
11134 conditional branches. Change lengths to bytes, rather than
11135 instructions throughout. Remove length attribute from
11136 instructions whose length is four bytes, and rely on the default
11138 (dslot): Fix typo in comment.
11139 Reword conditional branch patterns to use
11140 mips_output_conditional_branch.
11142 Fri Jun 4 13:30:27 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
11144 * alpha/osf.h (CPP_SUBTARGET_SPEC): Handle -threads.
11145 (LIB_SPEC): Likewise.
11146 Link with -lprof1_r for -g/-pg.
11148 1999-06-04 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
11150 * loop.c (check_dbra_loop): Fix change of Jan 19.
11152 Fri Jun 4 00:12:40 1999 Marc Espie <espie@cvs.openbsd.org>
11154 * freebsd-elf.h (SWITCH_TAKES_ARG): Redefine, not define.
11155 (STARTFILE_SPEC): Define, override the svr4.h version.
11156 (ENDFILE_SPEC): Likewise.
11158 Thu Jun 3 23:58:55 1999 Jeffrey A Law (law@cygnus.com)
11160 * fixinc/inclhack.def (limits_ifndefs): Also apply to sys/limits.h
11161 * fixinc/fixincl.x: Regenerated.
11162 * fixinc/inclhack.sh: Regenerated.
11164 Fri Jun 4 05:42:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11166 * sh.c (barrier_align): Don't return early for normal branch/barrier
11167 when optimizing for SH2.
11169 Thu Jun 3 22:27:50 1999 Robert Lipe <robertlipe@usa.net>
11171 * i386/udk.h (LINK_SPEC): Correct linker search path for
11174 Fri Jun 4 03:20:40 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11176 * sh.c (fixup_addr_diff_vecs): Emit braf reference label.
11177 (braf_label_ref_operand): Delete.
11178 * sh.h (PREDICATE_CODES): Remove braf_label_ref_operand.
11179 * sh.md (casesi_jump_2): Operand1 is now the inside of a
11180 label_ref, and has no predicate.
11181 The patten has a predicate to guard against invalid substitutions.
11182 (dummy_jump): Delete.
11183 (casesi): Update use of casesi_jump_2.
11185 Thu Jun 3 07:48 1999 Bruce Korb <ddsinc09@ix.netcom.com>
11187 *fixinc/inclhack.def(Io_Def_Quotes): corrected sed expression
11188 *fixinc/fixincl.x: regenerate
11189 *fixinc/inclhack.sh: regenerate
11191 Thu Jun 3 02:15:07 1999 Jason Merrill <jason@yorick.cygnus.com>
11193 * dwarf2out.c (add_incomplete_type): New fn.
11194 (gen_struct_or_union_type_die): Call it.
11195 (retry_incomplete_types): New fn.
11196 (dwarf2out_finish): Call it.
11198 Thu Jun 3 01:19:03 1999 Jeffrey A Law (law@cygnus.com)
11200 * gcse.c (insert_insn_end_bb): Correct placement of insns when the
11201 current block starts with a CODE_LABEL and ends with a CALL and
11202 we can not find all the argument setup instructions for the CALL.
11204 Wed Jun 2 15:44:15 1999 Mark Mitchell <mark@codesourcery.com>
11206 Revert this change:
11207 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
11208 something is a candidate for optimize_bit_field_compare.
11210 Wed Jun 2 21:53:05 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11212 * sh.h (CONST_OK_FOR_I, CONST_OK_FOR_L): Cast VALUE to HOST_WIDE_INT.
11214 Wed Jun 2 12:25:55 1999 Richard Henderson <rth@cygnus.com>
11216 * alpha.c (override_options): Thinko in last patch.
11218 * alpha/osf.h (CPP_SUBTARGET_SPEC): Define.
11219 (LIB_SPEC): Recognize -pthread.
11221 Wed Jun 2 08:42:55 1999 Nick Clifton <nickc@cygnus.com>
11223 * config/arm/tcoff.h (USER_LABEL_PREFIX): Synchronise with
11224 definition in config/arm/coff.h
11225 * config/arm/coff.h: Add comment about USER_LABEL_PREFIX.
11227 Wed Jun 2 07:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
11229 * fixinc/fixincl.c(global def): Add FD_SHELL_SCRIPT to mark
11230 fixes that need "file=xxx\n" prepended before invocation
11231 (start_fixer - new): starting the fixer process is complex enough
11232 to warrent its own routine. It prepends the "file=xxx\n" stuff.
11233 (process): uses the new routine; omit usage of putenv()
11234 * fixinc/fixincl.tpl: mark shell scripts with FD_SHELL_SCRIPT
11235 * fixinc/fixincl.x: regenerate
11237 Wed Jun 2 02:29:07 1999 Jeffrey A Law (law@cygnus.com)
11239 * README, configure.in, gcc.1, gcc.texi: Update name (egcs -> gcc)
11240 and version #s (1.1 -> 2.96) as needed.
11241 * README.g77: Kill way out of date file in the toplevel directory.
11243 Wed Jun 2 00:52:34 1999 David O'Brien <obrien@FreeBSD.org>
11245 * configure.in (i[34567]86-*-freebsdelf): Don't include linux.h,
11246 i386/freebsd-elf.h no longer requires it. Instead include svr4.h.
11247 * configure: Rebuilt.
11248 * i386/freebsd-elf.h (DEFAULT_VTABLE_THUNKS): Define.
11249 (ASM_COMMENT_START, ASM_APP_ON, ASM_APP_OFF, SET_ASM_OP): Likewise.
11250 (PREFERRED_DEBUGGING_TYPE, WCHAR_UNSIGNED): Likewise.
11251 (SWITCH_TAKES_ARG): Likewise.
11252 * i386/freebsd.h: Remove FREEBSD_NATIVE support.
11253 * config/t-freebsd: Moved from config/i386/ so it can used for all
11256 Mon May 31 02:22:55 1999 Philippe De Muyter <phdm@macqel.be>
11258 * m68k/x-mot3300 (XCFLAGS): Fixed to match stb.o, not f/stb.o.
11260 Wed Jun 2 00:08:34 1999 Robert Lipe <robertlipe@usa.net>
11262 * configure.in (i[34567]86-*-udk*): Install headers with cpio.
11263 * configure: Rebuilt.
11265 Tue Jun 1 19:06:22 1999 David Edelsohn <edelsohn@gnu.org>
11267 * rs6000/aix41.h (RS6000_CALL_GLUE): Define.
11268 * rs6000/aix43.h (RS6000_CALL_GLUE): Likewise.
11269 * rs6000/rs6000.c (rs6000_file_start): Use putc.
11270 (rs6000_output_load_toc_table): Same.
11271 (output_prolog, output_mi_thunk): Same.
11272 * rs6000/rs6000.h (SELECT_SECTION): Formatting.
11273 (ASM_GLOBALIZE_LABEL): Use putc.
11275 Mon May 31 15:23:23 1999 Richard Henderson <rth@cygnus.com>
11277 * alpha.md (reload_*_help): New patterns and splitters.
11278 (reload_*): Use them.
11279 (mov[qh]i): Likewise.
11281 Mon May 31 11:48:07 1999 Mark Mitchell <mark@codesourcery.com>
11283 * cccp.c (handle_directive): Handle backslash-newlines in quoted
11286 Mon May 31 09:36:11 1999 Cort Dougan <cort@cs.nmt.edu>
11288 * rs6000/linux.h (LINK_SPEC): Use emulation elf32ppclinux.
11290 Mon May 31 11:40:20 EDT 1999 John Wehle (john@feith.com)
11292 * flow.c (mark_regs_live_at_end, insn_dead_p,
11293 mark_set_1, mark_used_regs): Only give FRAME_POINTER_REGNUM
11294 and HARD_FRAME_POINTER_REGNUM special treatment if reload
11295 hasn't run or the frame pointer is needed.
11296 * haifa-sched.c (attach_deaths): Likewise.
11297 * sched.c (attach_deaths): Likewise.
11299 Mon May 31 00:46:17 1999 Jeffrey A Law (law@cygnus.com)
11301 * jump.c (jump_optimize_1): Only set CAN_REACH_END if
11302 calculate_can_reach_end returns nonzero.
11304 * configure.in (native gas tests): Search for an assembler in the
11305 same manner that the installed compiler will.
11306 * configure: Rebuilt.
11307 * tm.texi (MD_EXEC_PREFIX): Note need to update configure.in too.
11309 * alias.c (find_base_term): Improve handling of addresses
11310 constructed from binary operations.
11312 Sun May 30 14:29:17 1999 Eric Raskin (ehr@listworks.com)
11314 * dgux.h (STARTFILE_SPEC): Fix incorrectly matched curly-braces.
11316 Sun May 30 14:19:13 1999 Jeffrey A Law (law@cygnus.com)
11318 * function.h (cleanup_label, frame_offset): Declare.
11319 (tail_recursion_label, tail_recursion_reentry): Likewise.
11320 (arg_pointer_save_area, rtl_expr_chain): Likewise.
11321 * stmt.c (cleanup_label, frame_offset): Delete extern declarations.
11322 (tail_recursion_label, tail_recursion_reentry): Likewise.
11323 (arg_pointer_save_area, rtl_expr_chain): Likewise.
11325 Sat May 29 19:08:10 1999 Philip Blundell <philb@gnu.org>
11327 * config/arm/aout.h (ASM_OUTPUT_ALIGN): Only define if not already
11329 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Define.
11330 (MAX_OFILE_ALIGNMENT): Define.
11332 Fri May 28 21:40 1999 Robert Lipe <robertlipe@usa.net>
11334 * fixincl.c: Replace local include scheme with #includes of
11335 gansidecl.h and system.h.
11336 * procopen.c: Likewise.
11337 * server.c: Likewise.
11339 Fri May 28 03:47:03 1999 Eric Raskin (ehr@listworks.com)
11341 * i386/t-dgux (EXTRA_PARTS): Add crti.o
11342 (crti.o): Add build rule and dependencies.
11343 * fixinc/fixinc.dgux: Use modified _int_varargs.h
11345 Fri May 28 03:41:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11347 * rs6000/sysv4.h (CC1_SPEC): Add support for -profile
11348 (LIB_LINUX_SPEC): Likewise.
11349 (LIB_LINUX_SPEC): Add support for -pthread
11350 (CPP_OS_LINUX_SPEC): Likewise.
11351 (CPP_SYSV_SPEC): Avoid redefinitions if both -fpic and -fPIC are
11354 Thu May 27 13:04:52 1999 H.J. Lu (hjl@gnu.org)
11356 * i386.c (output_fp_cc0_set): Don't check the JUMP_INSN code for
11358 (notice_update_cc, output_float_compare): Enable TARGET_CMOVE support.
11359 (output_float_compare, output_fp_cc0_set): Fix the FLOAT comparison
11360 for IEEE math and CC_FCOMI.
11361 (put_jump_code): No IEEE if CC_FCOMI is set.
11363 1999-05-27 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
11365 * fold-const.c (fold_truthop): Make the field reference unsigned
11366 when converting a single bit compare.
11368 Thu May 27 02:40:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11370 * loop.c (strength_reduce): Don't do biv->giv conversion on constants.
11372 Thu May 27 02:09:27 1999 Jeffrey A Law (law@cygnus.com)
11374 * varasm.c (STRIP_NAME_ENCODING): Remove default definition.
11375 * output.h (STRIP_NAME_ENCODING): Strip '*' like the old varasm
11378 * reload.c (push_reload): Do not call remove_address_replacements
11379 when presented with identical optional reloads.
11381 Wed May 26 14:18:05 1999 Richard Henderson <rth@cygnus.com>
11383 * alpha.h (MASK_FIX, TARGET_FIX): New.
11384 (MASK_*): Reorganize constants.
11385 (CPP_AM_FIX_SPEC): New.
11386 (TARGET_SWITCHES): Add FIX.
11387 (EXTRA_SPECS): Likewise.
11388 (CPP_CPU_EV6_SPEC): Use FIX, not CIX.
11389 (SECONDARY_MEMORY_NEEDED): Likewise.
11390 (REGISTER_MOVE_COST): Likewise.
11391 * alpha.c (override_options): Add FIX support. Always use
11392 ALPHA_TP_PROG for ev6.
11393 * alpha.md (sqrt and mov[sd]i patterns): Use FIX, not CIX.
11394 * alpha/elf.h (ASM_FILE_START): Look at FIX too.
11395 * configure.in (target_cpu_default2) [ev6]: Use FIX, not CIX.
11397 Wed May 26 09:53:05 1999 Mark Mitchell <mark@codesourcery.com>
11399 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
11400 something is a candidate for optimize_bit_field_compare.
11402 Wed May 26 09:40:02 1999 Mark Mitchell <mark@codesourcery.com>
11404 * gcc.texi (Passes): Document branch-shortening.
11405 * invoke.texi (Debugging Options): Document the fact that `-dp'
11406 outputs length information for instructions.
11408 Wed May 26 08:49:31 1999 Nick Clifton <nickc@cygnus.com>
11410 * flow.c: Revert previous delta.
11412 Wed May 26 06:05:10 1999 Nick Clifton <nickc@cygnus.com>
11414 * flow.c (insn_dead_p): Check against frame_pointer_rtx not
11415 FRAME_POINTER_REGNUM.
11416 (mark_set_1): Ditto.
11417 (mark_used_regs): Ditto.
11419 Wed May 26 02:19:31 1999 Philip Blundell <pb@nexus.co.uk>
11421 * arm.h (NEED_PLT_GOT): Fix mistake in last change.
11422 (GOT_PCREL): New macro. Define to 1 if not already defined.
11423 * arm/elf.h (GOT_PCREL): Define to 0.
11424 * arm.c (arm_finalize_pic): Take into account the setting of
11427 Tue May 25 14:06:06 1999 Jeffrey A Law (law@cygnus.com)
11429 * output.h (STRIP_NAME_ENCODING): Provide default definition.
11430 * dwarf2out.c (ASM_NAME_TO_STRING): Use STRIP_NAME_ENCODING.
11432 * flow.c (mark_set_1): Do not record BLKmode stores as dead
11433 store elimination candidates.
11435 Tue May 25 08:55:57 1999 Gavin Romig-Koch <gavin@cygnus.com>
11437 * config/mips/mips.h (ASM_OUTPUT_DOUBLE_INT) : Use 'dword' if
11440 Mon May 24 20:30:08 1999 Jim Wilson <wilson@cygnus.com>
11442 * configure.in (rs6000-ibm-aix4.[12]*): Delete use of aix41-gld.h.
11443 Add use of x-aix41-gld.
11445 Mon May 24 16:44:09 1999 Jakub Jelinek <jj@ultra.linux.cz>
11447 * sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Define.
11448 (ASM_OUTPUT_DESTRUCTOR): Define.
11450 Mon May 24 14:35:24 1999 Jeffrey A Law (law@cygnus.com)
11452 * loop.c (strength_reduce): Do not clear NOT_EVERY_ITERATION at the
11453 last CODE_LABEL in a loop if we have previously passed a jump
11454 to the top of the loop.
11456 Mon May 24 07:56:29 1999 Nick Clifton <nickc@cygnus.com>
11458 * config/arm/arm.h (OUTPUT_INT_ADDR_CONST): Fix blunder made when
11459 applying Philip's patch.
11461 Mon May 24 01:02:12 1999 Mark Mitchell <mark@codesourcery.com>
11463 * stmt.c (expand_end_bindings): Ignore any elements of VARS that
11466 Sun May 23 20:31:16 1999 Jeffrey A Law (law@cygnus.com)
11468 * loop.c (strength_reduce): Grow reg_single_usage as needed.
11470 Sun May 23 10:13:20 1999 David O'Brien <obrien@FreeBSD.org>
11472 * i386/freebsd-elf.h (LINK_SPEC): Change -static to -Bstatic.
11473 Also remove a useless comment.
11475 Sun May 23 10:05:23 1999 Jerry Quinn <jquinn@nortelnetworks.com>
11477 * pa.md (negdf2,negsf2): Use fneg instead of fsub on pa 2.0.
11479 Sat May 22 21:02:06 1999 David Edelsohn <edelsohn@gnu.org>
11481 * collect2.c (main): Only generate import or export file and add
11482 to link arguments if non-empty. Use xmalloc not alloca.
11483 (write_{export,import}_file): Delete.
11484 (write_aix_file): New function.
11485 (locatelib): Use xmalloc not malloc.
11486 (GCC_OK_SYMBOL): Do not check type if aix64.
11488 Sat May 22 09:35:51 1999 Philip Blundell <pb@nexus.co.uk>
11490 Based on patch by Scott Bambrough and Pat Beirne:
11491 * config/arm/arm.c (making_const_table): New variable.
11492 * config/arm/arm.h (making_const_table): Declare.
11493 (OUTPUT_INT_ADDR_CONST): Mark symbols as position independent if
11495 * config/arm/arm.md (consttable_4, consttable_8, consttable_end):
11496 Keep track of when we are building the constant table.
11498 Sat May 22 09:34:22 1999 Philip Blundell <pb@nexus.co.uk>
11500 * config/arm/arm.c (arm_override_options): Fix erroneous warning
11503 Sat May 22 09:06:33 1999 Nick Clifton <nickc@cygnus.com>
11505 * config/arm/arm.h (NEED_PLT_GOT): Only define if not already
11508 Sat May 22 07:17:05 1999 Nick Clifton <nickc@cygnus.com>
11510 * tm.texi (FUNCTION_ARG): Correct description of a stack element
11513 Sat May 22 01:27:49 1999 Mark Mitchell <mark@codesourcery.com>
11515 * expr.h (lang_expand_constant): Guard with #ifdef TREE_CODE.
11517 Fri May 21 21:19:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11519 * rs6000.c (output_mi_thunk): Enable full support again.
11521 Fri May 21 20:09:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11523 * sh.h (BRANCH_COST): Define.
11525 Thu May 20 10:00:42 1999 Stephen L Moshier <moshier@world.std.com>
11527 * Makefile.in (GCC_FOR_TARGET): Add -I$(build_tooldir)/include.
11529 Thu May 20 09:58:57 1999 Jan Hubicka <hubicka@freesoft.cz>
11531 * function.c (assign_stack_local): Align stack slot propertly.
11532 (assign_outer_stack_local): Likewise.
11534 Thu May 20 10:38:43 1999 Mark Mitchell <mark@codesourcery.com>
11536 * expr.h (lang_expand_constant): Declare.
11537 * toplev.c (lang_expand_constant): Define it.
11538 * varasm.c (output_constant): Use it.
11540 Thu May 20 11:28:53 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11542 * optabs.c (expand_cmplxdiv_straight, expand_cmplxdiv_wide):
11543 Change function definitions to K&R style.
11545 Thu May 20 08:16:39 1999 Bruce Korb <ddsinc09@ix.netcom.com>
11547 * fixinc/fixincl.c: We must not ignore SIGCLD now.
11549 Thu May 20 07:06:39 1999 Alexandre Oliva <aoliva@acm.org>
11551 * fixinc/Makefile.in(gnu-regex.o): add $(INCLUDES) to compile options
11552 * fixinc/fixincl.c(wait_for_pid): K&R-ify arguments
11553 (several places): omit static initialization
11554 (process): use single fd, since only the read fd is used
11555 * fixinc/gnu-regex.c: define 'const' away, if not supported
11556 * fixinc/procopen.c(several places): omit static initialization
11557 * fixinc/server.c: define 'volitile' away, if not supported
11559 1999-05-20 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
11561 * config/dbxcoff.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Use
11562 asm_fprintf and %L to generate the label name.
11563 * config/dbxelf.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Likewise.
11564 (ASM_OUTPUT_SOURCE_LINE): Correct generation of internal labels.
11566 Thu May 20 01:40:55 1999 Jeffrey A Law (law@cygnus.com)
11568 * jump.c (can_reverse_comparison_p): Do not abort if the comparison
11569 insn for a conditional jump can not be found.
11571 Wed May 19 23:58:58 1999 Jeffrey A Law (law@cygnus.com)
11573 * mips.h (ENCODE_SECTION_INFO): Do not perform GP optimizations
11574 on variables in specific sections other than .sbss and .sdata.
11576 Wed May 19 03:56:56 1999 Mark Mitchell <mark@codesourcery.com>
11578 * stmt.c (expand_return): Call start_cleanup_deferral and
11579 end_cleanup_deferral around conditional code.
11581 Wed May 19 08:40:08 1999 Bruce Korb <ddsinc09@ix.netcom.com>
11583 * fixinc/fixincl.tpl: Avoid depending on ANSI C features for
11584 filename lists. Utilizes new "krstr" AutoGen function.
11585 * fixinc/fixincl.x: Rebuilt.
11587 Wed May 19 02:47:11 1999 Jan Hubicka (hubicka@freesoft.cz)
11589 * i386.c (output_float_compare): Avoid GNU-C extensions.
11591 Wed May 19 00:34:40 1999 Jeffrey A Law (law@cygnus.com)
11593 * version.c: Bump to distinguish mainline tree from the
11596 See ChangeLog.1 for earlier changes.
11599 add-log-time-format: current-time-string