1 2001-02-24 Zack Weinberg <zackw@stanford.edu>
3 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
4 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
5 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
6 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
8 (i750a-*-*): Error here if hosting on i750a.
9 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
11 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
12 Remove (empty modulo comments).
14 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
15 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
16 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
17 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
18 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
19 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
21 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
22 Remove reference to winnt.h in comment.
23 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
25 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
27 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
28 used to set another biv.
30 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
32 * tree.h (BLOCK_DEAD): New macro.
33 (struct tree_block): New flag, dead_flag.
34 * print-tree.c (print_node, case 'b'): Print missing fields.
35 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
36 * function.c (identify_blocks): Enable test for misplaced notes.
37 (all_blocks): Skip BLOCK_DEAD blocks.
38 * integrate.c (integrate_decl_tree): Likewise.
40 * errors.c (internal_error, trim_filename): New functions.
41 (fancy_abort): Call internal_error.
42 * errors.h (internal_error, trim_filename): New declarations.
44 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
46 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
48 (EXTRA_CONSTRAINT): Formatting changes.
50 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
52 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
54 2001-02-23 Per Bothner <per@bothner.com>
56 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
57 so they can be called from java/jvspec.c.
58 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
60 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
62 * i386.c (ix86_frame): New structure.
63 (ix86_compute_frame_size): Kill.
64 (ix86_compute_frame_layout): New.
66 (ix86_can_use_return_insn_p): Use frame layout stuff.
67 (ix86_expand_prologue): Likewise.
68 (ix86_expand_epilogue): Likewise.
69 (ix86_initial_elimination_offset): Likewise.
70 (ix86_nsaved_regs): Use ix86_save_reg.
71 (ix86_emit_save_regs): Likewise.
73 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
75 * flow.c (find_sub_basic_blocks): New function.
76 (split_block): Be ready for basic block introduced by CODE_LABEL.
77 (commit_one_edge_insertion): Call find_sub_basic_block.
79 * flow.c (make_edges): Add edge from entry for blocks starting with
80 label having ALTERNATE_NAME
82 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
84 * function.c (epilogue_done): Be ready for first basic block not
85 containing PROLOGUE_END note.
86 (reposition_prologue_and_epilogue_notes): Avoid placing
87 PROLOGUE_END note between BASIC_BLOCK.
89 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
91 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
93 2001-02-21 DJ Delorie <dj@redhat.com>
95 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
96 check for current_function_has_nonlocal_goto from 1999-11-12.
98 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
100 * diagnostic.c (trim_filename): No longer static.
101 * toplev.h (trim_filename): Declare.
102 * rtl.c (rtl_check_failed_bounds): Call internal_error.
103 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
104 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
105 (rtvec_check_failed_bounds): Likewise.
106 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
108 * convert.c (convert_to_integer): Don't do unsigned unless result or
109 both inputs are unsigned.
111 * fold-const.c (fold_convert): Don't call size_int_type_wide if
114 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
116 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
118 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
120 * Makefile.in (resource.o): Add params.h dependence.
121 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
122 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
123 * resource.c: Add dependence on params.h.
124 (current_live_regs): Fix explanatory comment.
125 (find_basic_block): Add new parameter to permit limiting search
127 (mark_target_live_regs): Add new argument to find_basic_block call.
128 (incr_ticks_for_insn): Likewise.
130 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
132 * diagnostic.c (output_to_stream): Rename to
133 output_buffer_to_stream. Loses the stream parameter.
134 (init_output_buffer): Set diagnosic_buffer's stream.
135 (flush_diagnostic_buffer): Adjust.
136 (default_print_error_function): Likewise.
137 (finish_diagnostic): Likewise.
138 (verbatim): Likewise.
140 * diagnostic.h (struct output_buffer): Add `stream' field.
141 (output_buffer_attached_stream): New macro.
143 2001-02-23 Jakub Jelinek <jakub@redhat.com>
145 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
146 check if either operand is divisible by C.
147 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
148 If type is signed, consider negative numbers as well.
150 2001-02-22 Richard Henderson <rth@redhat.com>
152 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
153 reach .text instead of gp-relative relocs.
154 * config/ia64/crtend.asm (.init): Likewise.
156 2001-02-22 Andreas Jaeger <aj@suse.de>
158 * extend.texi (C++ Attributes): Fix typo.
160 2001-02-21 David Mosberger <davidm@hpl.hp.com>
162 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
163 functions, drop current_function_args_info.words test.
164 (ia64_compute_frame_size): Mark syscall_linkage functions as
165 using eight input registers.
167 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
168 Bruce Korb <bkorb@gnu.org>
170 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
171 * fixinc/README: Document how to convert sed substitutions
172 to format style c_fix-es.
173 * fixinc/fixincl.x: regen
175 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
177 * gcc.c: Add comment explaining how to add a command-line option.
178 Add title to specs language comment.
180 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
182 * gcc.c (cc1_options): Add "-param".
183 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
184 (option_map): Likewise.
185 * toplev.c (display_help): Add entry for "--param".
186 (independent_decode_option): Fix typographical error.
188 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
189 Bernd Schmidt <bernds@redhat.com>
190 Jan Hubicka <jh@suse.cz>
192 * i386.c (function_arg_advance): Pass SSE arguments in registers.
193 (function_arg): Likewise.
195 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
197 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
199 2001-02-21 Kazu Hirata <kazu@hxi.com>
201 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
205 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
207 * flow.c (init_propagate_block_info): Canon address and use single_set
208 for killing dead memory stores.
210 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
212 * Makefile.in (reorg.o): Add params.h dependence.
213 * params.def: Fix typographical error in comment.
214 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
215 * params.h: Modify introductory comment.
216 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
217 * reorg.c: Add dependence on params.h.
218 (redundant_insn): Add parameterized throttle for search.
219 (fill_simple_delay_slots): Add a comment explaining a variable.
220 Move conditional out of loop, simplifying code.
221 (fill_eager_delay_slots): Fix typographical error in comment.
223 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
225 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
227 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
228 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
230 2001-02-21 Jason Merrill <jason@redhat.com>
232 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
233 (struct tree_decl): Add uninlinable bitfield.
234 * c-decl.c (duplicate_decls): Set it.
235 * integrate.c (function_cannot_inline_p): Check it.
237 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
238 DW_AT_MIPS_linkage_name to abstract methods.
239 (dwarf2out_abstract_function): Emit class context before calling
240 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
241 (gen_subprogram_die): Remove obsolete code.
242 (gen_member_die): Don't include clones in the member list.
243 (gen_decl_die): Emit abstract info for clone origin.
244 * dwarfout.c (output_type): Don't include clones in the member list.
245 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
246 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
247 DECL_ABSTRACT on a function that already has it set.
249 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
250 (get_subprogram_die): Pass it in.
252 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
254 * flow.c (mark_set_1): Make not_dead unsigned long. For
255 non-pseudos, use it as a bitmask of the hard regs that
258 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
260 * cppfiles.c: Update comments.
261 (_cpp_read_file): Don't check for NULL filenames any more.
262 * cppinit.c (cpp_start_read): Don't do canonicalization of
263 in_fname and out_fname. Use the passed file name exclusively.
264 (_cpp_handle_options): Don't treat "-" as a command line option,
265 but as a normal filename.
266 (_cpp_post_options): Canonicalize in_fname and out_fname.
267 * cppmain.c (printer_init): Don't check out_fname for NULL.
268 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
269 (init_c_lex): Update, and use "" to represent stdin to CPP.
272 2001-02-20 Will Cohen <wcohen@redhat.com>
274 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
275 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
276 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
279 2001-02-20 Stan Shebs <shebs@apple.com>
281 * config/rs6000/rs6000.c (output_cbranch): Output branches
282 on separate lines instead of using ';' to separate.
284 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
286 * cppinit.c (set_lang): Move builtin handling to...
287 (init_builtins): ...here.
288 (_cpp_create_reader): Move call to set_lang.
290 2001-02-20 Mark Mitchell <mark@codesourcery.com>
292 * stmt.c (expand_return): If an attempt is made to return the
293 error_mar_node, treat the return like a return without a value.
295 2001-02-19 Zack Weinberg <zackw@stanford.edu>
297 * sibcall.c (skip_copy_to_return_value): Call
298 identify_call_return_value here, and return orig_insn if it
299 returns zero. Hardret and softret arguments now unnecessary.
300 (call_ends_block_p): Don't call identify_call_return_value here.
302 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
304 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
305 * ggc.h (ggc_mark_if_gcable): Delete prototype.
307 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
309 * pa.c (move_operand): Accept code to load the address of a
310 symbol out of the DLT as a valid move operand.
311 (print_operand, case 'A'): New to handle generating a DLT
312 reference for a LO_SUM expression.
313 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
314 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
316 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
318 * README, cpp.texi, gcc.texi, version.c: Update version number to
320 * cpp.1, gcov.1, gcc.1: Regenerate.
322 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
324 * cppfiles.c (stack_include_file): Generate dependencies
325 here, and manage include_count here too.
326 (PRINT_THIS_DEP): Delete.
327 (_cpp_execute_include): Do not generate dependencies here,
328 apart from the case of a missing header. Do not manage
330 (_cpp_read_file): Leave dependency generation to
333 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
335 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
336 target_cpu_default. Remove dead assignment to
339 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
341 * regclass.c (contains_reg_of_mode): Make global.
342 (init_reg_sets): Remove contains_reg_of_mode; take into account
343 CLASS_MAX_NREGS when looking for the proper mode.
344 (dump_regclass): Dump only classes considered for the pseudo.
345 (regclass): Use contains_reg_of_mode.
347 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
349 * gcc.c (do_spec_1): 'n' for printing notices.
350 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
352 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
354 * reg-stack.c (next_flags_user): Use current_block->end
355 (swap_rtx_condition): Look for next user if flags don't die;
356 give up on CALL_INSNs; use current_block->end.
358 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
360 * sibcall.c (call_ends_block_p): New function.
361 (optimize_sibling_and_tail_recursive_call): Use it.
363 2001-02-18 Kazu Hirata <kazu@hxi.com>
365 * config/h8300/h8300.md: Update copyright.
366 (andsi3): Do not output an extra newline character.
368 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
370 * toplev.c (note_deferral_of_defined_inlined_function): Argument
371 FNDECL may be unused.
373 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
374 follow jumps after first run.
375 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
376 it doesn't change any jumps.
378 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
380 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
381 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
382 (mostlyclean): Corresponding changes.
383 * rtlanal.c (hard-reg-set.h): Include.
384 (rtx_unstable_p): Do not treat the argument pointer specially
385 if it is not a fixed register.
386 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
388 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
390 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
391 against last real insn in basic block.
392 Rework to avoid gotos.
394 * Makefile.in (gcse.o): Now includes ggc.h.
395 * gcse.c: Include ggc.h.
396 (want_to_gcse_p): Verify expression can be in SET as valid insn.
397 (try_replace_reg): Remove warning of uninitialize variable.
398 (process_insert_insn): Call invalid_insn_p to validate insn.
399 * recog.c (insn_invalid_p): Now global.
400 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
401 * recog.h (insn_invalid_p): New declaration.
403 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
405 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
406 assignments from FP constants since 'Y' output code can't handle it.
407 (eligible_for_sibcall_delay): Likewise.
409 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
410 Call fancy_abort directly, passing args.
411 (print_rtl_and_abort): Now a macro, like fancy_abort.
413 * final.c (output_operand_lossage): Use internal_error, not error.
415 2001-02-18 Shane Nay <shane@agendacomputing.com>
417 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
418 structure shift insns.
420 2001-02-18 Mark Mitchell <mark@codesourcery.com>
422 * invoke.texi (-fsquangle): Remove documentation.
423 (-fname-mangling-version): Likewise.
425 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
427 * optabs.c (expand_abs): Remove reference to
428 HAVE_contitional_arithmetic.
429 * combine.c (simplify_set): Likewise.
431 2001-02-18 Richard Henderson <rth@redhat.com>
433 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
436 2001-02-18 Richard Henderson <rth@redhat.com>
438 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
440 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
442 * reload1.c (reload_cse_simplify_set): Fix typo.
444 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
446 * diagnostic.c (_fatal_insn): Decrement errorcount.
448 * invoke.texi (-I): Add note avoiding use for system header files.
450 * rtl.h (add_clobbers): Remove duplicate declaration.
451 * recog.h (added_clobbers_hard_reg_p): New declaration.
452 * genemit.c (struct clobber_pat): New field has_hard_reg.
453 (gen_insn): Record if added clobbers clobber hard reg.
454 (gen_split): Avoid unused warning if number of operands is 0.
455 (output_added_clobbers_hard_reg_p): New function.
458 2001-02-18 Alan Modra <alan@linuxcare.com.au>
460 * pa.c (hppa_expand_prologue): Simplify code storing return
461 pointer. For large (>=8k) frames with a post_store, adjust stack
462 pointer by 8k-64 first rather than by 64. When testing with
463 VAL_14_BITS_P, always use the actual value rather than the value
464 negated. Add blockage to prevent scheduling of spills before
465 stack frame has been created.
466 (hppa_expand_epilogue): Simplify code loading return pointer.
467 Allow a slightly larger range for merge_sp_adjust_with_load case.
468 When testing with VAL_14_BITS_P, always use the actual value.
470 * pa.c (pa_adjust_insn_length): Check that block move
471 pattern is a set before looking at operands.
473 2001-02-17 Mark Mitchell <mark@codesourcery.com>
475 * fold-const.c (fold_binary_op_with_conditional_arg): New
476 function, split out from ...
478 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
479 conditional arms that throw exceptions.
481 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
484 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
486 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
487 define HAVE_DECL_* to 1 to mask potential backup declarations.
488 * configure: Regenerated.
490 2001-02-17 Mark Mitchell <mark@codesourcery.com>
492 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
494 2001-02-17 Richard Henderson <rth@redhat.com>
496 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
497 when replacing a memory load with a register.
499 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
500 Jan Hubicka <jh@suse.cz>
502 * recog.c (validate_replace_src_1): New.
503 (validate_replace_src_data): Likewise.
504 (validate_replace_src): Use note_uses.
505 * rtl.h (note_uses): Declare.
506 * rtlanal.c (note_uses): New.
508 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
510 * reg-stack.c (stack_def): Make field reg unsigned.
511 (remove_regno_note): Unsignetize parameter.
513 2001-02-16 Jes Sorensen <jes@linuxcare.com>
515 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
516 shladd_operand() call.
518 2001-02-16 Bruce Korb <bkorb@gnu.org>
519 Rodney Brown <RodneyBrown@mynd.com>
521 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
522 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
524 * fixinc/fixincl.x: regen
526 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
528 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
530 (hash_scan_insn): Clean up calls to hash_scan_set.
531 (compute_kill_rd): REGNO now unsigned.
532 (try_replace_reg): Rework to use simplify_replace_rtx.
533 (cprop_jump, cprop_cc0_jump): Likewise.
534 (cprop_insn): Call find_reg_equal_equiv_note.
535 Reflect changes to cprop_jump and cprop_cc0_jump.
537 * recog.c (validate_replace_src): Replace in operands of
538 ZERO_EXTRACT in SET_DEST.
540 * cse.c (new_label_ref): New variable.
541 (insert): Set it instead of recorded_label_ref.
542 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
543 CODE_LABEL for this function, and not already in REG_LABEL note.
545 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
547 * resource.c (mark_referenced_resources): Fix typo in introductory
549 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
552 2001-02-16 Jason Merrill <jason@redhat.com>
554 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
556 (gen_subprogram_die): Don't abort on seeing a second definition if
557 the previous one was abstract. Don't replace an abstract instance
560 * dwarf2out.c (dwarf2out_abstract_function): Rename from
561 gen_abstract_function.
562 * dwarf2out.h: Declare it.
563 * toplev.c (note_outlining_of_inline_function): New fn.
564 * toplev.h: Declare it.
565 * integrate.c (output_inline_function): Call it.
566 * c-decl.c (duplicate_decls): Call it when redefining an extern
567 inline. Don't inline the new defn.
569 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
571 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
573 * .gdbinit: Rename to gdbinit.in.
574 * gdbinit.in: New file,
575 * configure.in: Generate .gdbinit from gdbinit.in.
576 * configure: Regenerated.
577 * Makefile.in (distclean): Always remove .gdbinit.
579 2001-02-16 Jakub Jelinek <jakub@redhat.com>
581 * objc/objc-act.c (start_class): Register implemented_classes with
584 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
586 * cppfiles.c (_cpp_make_system_header): Generate a file
589 2001-02-15 Jim Meyering <meyering@lucent.com>
591 * Makefile.in (install-common): Don't depend on installdirs here.
592 Instead, make each of the lang.install-common targets (e.g.,
593 c++.install-common in cp/Make-lang.in) depend on it.
594 (install-driver): Depend on installdirs.
596 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
598 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
600 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
603 2001-02-15 Mark Mitchell <mark@codesourcery.com>
605 * invoke.texi (--param): Document.
607 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
609 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
611 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
613 * i386.md (extendsfdf2_2): Fix constraints.
615 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
617 * i386.md (fop_df_3 splitter): Fix operand number.
619 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
621 * invoke.texi (-mreg-alloc): Nuke.
622 * i386.c (ix86_reg_alloc_order, regs_allocated,
623 order_regs_for_local_alloc): Nuke.
624 (override_options): Kill reg_alloc code.
625 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
626 (REG_ALLOC_ORDER): SSE goes before I387.
627 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
628 (ix86_reg_alloc_order): Likewise.
629 * i386-protos.h (ix86_reg_alloc_order): Kill.
631 2001-02-14 Richard Henderson <rth@redhat.com>
633 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
635 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
637 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
639 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
641 * i386-protos.h (ix86_memory_move_cost): Move offline.
642 * i386.c (ix86_register_move_cost): Compute properly cost of
643 SSE, MMX and i387 instructions.
644 (*_cost): Add costs of SSE/MMX moves.
645 (ix86_memory_move_cost): Move offline from ....; Likewise.
646 * i386.h (MEMORY_MOVE_COST): .... here;
647 (struct processor costs): Add new fields to represent costs
650 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
652 * regclass.c (init_reg_sets_1): Reinstall the optimization of
653 move_cost together with Matt Kraai's fix.
655 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
657 * Makefile.in (OBJS): Add params.o.
659 2001-02-14 Richard Henderson <rth@redhat.com>
660 DJ Delorie <dj@redhat.com>
662 * jump.c (jump_optimize_1): When we delete a conditional jump
663 preceeding a non-conditional jump to effectively the same place,
664 make sure that the combined jump skips any clobber insns between
667 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
669 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
671 2001-02-14 Mark Mitchell <mark@codesourcery.com>
673 * Makefile.in (toplev.o): Depend on params.h.
674 (intergate.o): Likewise.
675 (params.o): New target.
676 * flags.h (inline_max_insns): Remove.
677 * integrate.c: Include params.h.
678 Use MAX_INLINE_INSNS instead of inline_max_insns.
679 * params.c: New file.
680 * params.h: Likewise.
681 * params.def: Likewise.
682 * toplev.c: Include params.h.
683 (lang_independent_params): New variable.
684 (decode_f_option): Use the param machinery instead of setting
686 (independent_decode_option): Handle "--param name=value".
687 (main): Register language-independent parameters.
689 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
691 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
693 2001-02-14 Richard Henderson <rth@redhat.com>
695 * regclass.c (init_reg_sets_1): Revert last two changes.
697 2001-02-14 Jakub Jelinek <jakub@redhat.com>
699 * stor-layout.c (is_pending_size, put_pending_size): New functions.
700 (variable_size): Call put_pending_size.
701 * tree.h (is_pending_size, put_pending_size): Add prototypes.
702 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
703 sizes list, put newly created SAVE_EXPR there as well.
705 2001-02-14 Jakub Jelinek <jakub@redhat.com>
707 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
708 (errata_find_address_regs): load_group has only 2 entries.
709 (errata_emit_nops): Likewise. shladd is not problematic.
710 Clear last_group if nop was emitted.
711 (fixup_errata): load_group has only 2 entries.
714 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
716 * c-lex.c (lex_number): Only warn traditionally for U suffix
717 outside system macros.
718 * cppexp.c (parse_number): Similarly.
719 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
720 * cppmacro.c (struct cpp_macro): New member node.
721 (parse_args): Only warn about missing rest args if not
723 (funlike_invocation_p): Similarly for uninvoked funlike macros.
724 (cpp_sys_objmacro_p): New.
725 (_cpp_create_definition): Store the node with the macro defn.
726 Remember if the macro is defined in a system header.
728 2001-02-13 DJ Delorie <dj@redhat.com>
730 * configure.in (check_languages): determine languages to check
731 * Makefile.in (check-c++): alias for check-g++
732 (check-f77): alias for check-g77
733 (CHECK_TARGETS): depend on configured languages
735 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
737 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
738 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
739 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
740 (sqrtextendsfdf2): Disable for SSE2.
742 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
744 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
745 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
746 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
747 (sqrtextendsfdf2): Disable for SSE2.
749 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
751 * i386.md (movsfcc_1): Support integer cmove instruction.
752 (movdfcc_1): Likewise; new splitter.
754 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
756 * i386.c (output_fp_compare): Support SSE.
757 (prepare_fp_compare_args): SSE comparisons always support memory.
758 * i386.h (TARGET_CMOVE): SSE imply cmove.
759 * i386.md (cmp?f2): Enable for SSE too.
760 (cmpfp_i*): Support SSE.
762 (cmpfp_i_sse_only): New.
763 (s*, b* fp expanters): Enable for SSE too.
764 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
767 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
769 * regclass.c (init_reg_sets_1): Silence warning.
771 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
773 * i386.md (sqrt?f2): Change to expander.
774 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
776 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
778 * rtlanal.c (find_reg_equal_equiv_note): New function.
779 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
780 (simplify_gen_relational, simplify_replace_rtx): Likewise.
781 * rtl.h: Add declarations for above functions.
783 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
785 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
787 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
788 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
789 * flow.c (mark_regs_live_at_end): Likewise.
790 (calculate_global_regs_live): Likewise.
791 * gcse.c (compute_hash_table): Likewise.
792 (compute_kill_rd): Likewise.
793 * resource.c (mark_target_live_regs): Likewise.
794 * rtl.h (INVALID_REGNUM): New macro.
796 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
798 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
800 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
802 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
805 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
807 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
809 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
810 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
811 (fop_sf_1_sse, fop_df_1_sse): New patterns
812 (fop_*): Disable float_extend and float patterns for SSE compilation.
813 * i386.c (output_387_binary_op): Support SSE.
815 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
817 * i386.md (dummy_extendsfdf2): Support SSE2
818 (extendsfdf2): Enable if 80387 or SSE2.
819 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
821 (extendsfdf2_1_sse_only): New pattern.
822 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
824 (truncdfsf2_1): Support SSE.
825 (truncdfsf2_2): Support SSE.
826 (truncdfsf2_2_1_sse): New pattern.
827 (fixtruncsfsi2): Always use SSE if available.
828 (fix_truncsfsi_sse): New pattern.
829 (fix_truncdfsi_sse): New pattern.
830 (floatsis?f2): Support SSE.
831 (floatsidf2_i387): New pattern.
832 (floatsidf2_sse): Likewise.
834 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
836 * configure.in: Use "have_gnat" variable, not "gnat".
837 * configure: Regenerated.
839 * config/sparc/sparc.c (function_value): Treat all non-record
840 aggregate types like used to treat UNION_TYPE.
842 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
844 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
845 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
847 (MASK_MIX_SSE_I387): New.
848 (TARGET_SSE): SSE2 imply SSE.
849 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
850 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
851 (enum reg_class): Add new classes.
852 (REG_CLASS_NAMES): Likewise.
853 (REG_CLASS_CONTENTS): Likewise.
854 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
855 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
856 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
857 (CLASS_MAX_NREGS): Use new macros.
858 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
859 * i386.md (pushsf, movsf): Support SSE.
860 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
861 splitters to use ANY_FP_REGNO_P.
862 (movdf_nointeger, movdf_integer): Likewise.
864 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
866 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
867 (try_combine): Use it.
869 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
871 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
872 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
873 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
874 (REGISTER_MOVE_COST): Likewise.
875 * i386-protos.h (ix86_secondary_memory_needed,
876 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
877 * i386.c (ix86_secondary_memory_needed,
878 ix86_preferred_reload_class, ix86_register_move_cost): New function.
880 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
882 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
883 (HARD_REGNO_MODE_OK): Move offline to ....
884 * i386.c (ix86_hard_regno_mode_ok) ... here;
885 refuse all incorrect modes.
886 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
888 2001-02-13 Richard Henderson <rth@redhat.com>
890 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
891 entire operator; replicate that and match_dup the operands.
892 (cmp_ccx_arith_op_set): Likewise.
893 (cmp_cc_arith_op_not_set): Likewise.
894 (cmp_ccx_arith_op_not_set): Likewise.
896 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
898 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
900 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
902 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
903 (TARGET_NO_BITFIELD_WORD): New macro.
904 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
905 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
907 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
909 * cselib.c: New file, from simplify-rtx.c.
910 * simplify-rtx.c: Remove cselib parts.
911 * Makefile.in: Add cselib.o.
913 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
915 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
916 (setup_incoming_varargs): Remove warning.
918 * config/rs6000/rs6000.c (validate_condition_mode): When
919 flag_fast_math, allow floating-point conditionals to be reversed.
920 (rs6000_generate_compare): When flag_fast_math, don't generate
921 cror operations for FP conditionals.
923 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
925 (ASM_SPEC): Likewise.
926 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
927 (CC1_SPEC): Likewise.
928 (LINK_TARGET_SPEC): Likewise.
929 (CPP_ENDIAN_SPEC): Likewise.
930 * Makefile.in (check-consistency): New target.
932 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
934 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
935 "return type defaults" warning for functions with return type
937 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
938 function declarations by default rather than only when pedantic.
940 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
942 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
945 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
947 * extend.texi (Deprecated): Deprecate new initializer lists.
949 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
951 * mkdeps.c (deps_add_default_target): Robustify. Add
952 basename component only.
953 * cpp.texi (-M): Describe how default target is generated.
954 * invoke.texi (-M): Likewise.
956 2001-02-12 Kazu Hirata <kazu@hxi.com>
958 * toplev.c (push_float_handler): Remove.
959 (pop_float_handler): Remove.
960 * toplev.h: Remove prototypes for the above functions.
962 2001-02-12 Jakub Jelinek <jakub@redhat.com>
964 * c-common.c (constant_fits_type_p): New function.
965 (convert_and_check): Use it.
967 2001-02-11 Mark Mitchell <mark@codesourcery.com>
969 * Makefile.in (GXX_ABI_FLAG): Don't define.
970 * configure.in (--enable-new-gxx-abi): Remove option.
971 * config.in: Regenerated.
972 * configure: Likewise.
974 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
976 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
978 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
979 regular basic block, and arrange for all edges into it to switch
982 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
984 * Makefile.in (distclean): Do not remove .gdbinit.
986 2001-02-11 Mark Mitchell <mark@codesourcery.com>
988 * Makefile.in (gcc.o): Fix typos.
989 (protize.o): Likewise.
990 (unprotoize.o): Likewise.
992 2001-02-11 Richard Henderson <rth@redhat.com>
994 * tree.c (build1): Check for null operand in last change.
996 2001-02-11 Richard Henderson <rth@redhat.com>
998 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
999 (fold): Don't assume a constant isn't foldable.
1000 * tree.c (build): Set TREE_CONSTANT for an expression with no
1001 side-effects and constant operands.
1004 2001-02-10 Richard Henderson <rth@redhat.com>
1006 * jump.c (squeeze_notes): Revert 2000-05-12 change.
1008 2001-02-10 Anthony Green <green@redhat.com>
1010 * cpp.texi (Standard Predefined): Add documentation for
1013 * c-common.c (combine_strings): Improve warning message.
1015 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
1017 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
1019 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
1021 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
1023 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
1026 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
1028 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
1031 2001-02-09 Nick Clifton <nickc@redhat.com>
1033 * config/arm/arm.md: Change output contraint on post inc
1034 load/store multiple patterns to be a read/write contraint.
1036 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
1038 * gcc.c (cpp_options): Delete .d files on error. Don't delete
1039 .o files when using the -M options.
1041 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1042 David Edelsohn <edelsohn@gnu.org>
1044 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
1045 handle DImode constants. Use one TOC entry for SImode and smaller
1046 constants, aligned properly.
1048 2001-02-08 Jason Merrill <jason@redhat.com>
1050 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
1051 about the SP adjustment for saving the static chain pointer.
1052 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
1053 offset when setting a temporary CFA register.
1055 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
1057 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
1058 powerpc-*-chorusos* .
1059 * config/rs6000/chorus.h : New file.
1060 * config/i386/chorus.h : New file.
1061 * config/sparc/chorus.h : New file.
1062 * config/sparc/t-chorus-elf : New file.
1064 2001-02-08 David Edelsohn <edelsohn@gnu.org>
1066 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
1067 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
1068 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
1069 (__WCHAR_TYPE__): Correct macro name.
1071 2001-02-08 Richard Henderson <rth@redhat.com>
1073 * config/i386/i386.c (ix86_frame_pointer_required): New.
1074 (ix86_setup_frame_addresses): New.
1075 (struct machine_funciton): Add accesses_prev_frame.
1076 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
1077 ix86_frame_pointer_required.
1078 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
1079 (SETUP_FRAME_ADDRESSES): New.
1080 * config/i386/i386-protos.h: Update.
1081 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
1082 from FRAME_POINTER_REQUIRED.
1083 * config/i386/svr3gas.h: Likewise.
1084 * config/i386/sysv3.h: Likewise.
1085 * config/i386/v3gas.h: Likewise.
1087 2001-02-08 Richard Henderson <rth@redhat.com>
1089 * config/sparc/sparc.c (function_arg_record_value_3): Fix
1090 calculation of the number of integer registers required.
1091 (function_arg_record_value): Likewise.
1093 2001-02-08 Jason Merrill <jason@redhat.com>
1095 * diagnostic.c (internal_error): Say "confused" after 1 error, not
1096 two. Print file and line with "confused" message.
1098 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
1100 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1102 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
1104 2001-02-08 Bernd Schmidt <bernds@redhat.com>
1106 * final.c (cleanup_subreg_operands): The address of a MEM can
1109 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
1112 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
1114 * gcc.texi (Incompatibilities): Update documentation of
1115 preprocessing numbers.
1117 2001-02-07 Jakub Jelinek <jakub@redhat.com>
1119 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
1121 2001-02-07 Mark Mitchell <mark@codesourcery.com>
1123 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
1125 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
1126 * gcc.c (struct compiler): Add cpp_spec field.
1127 (input_file_compiler): New variable.
1128 (do_spec_1): Allow a particular compiler to handle `%C'
1130 (main): Store the current compiler in input_file_compiler.
1131 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
1133 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
1135 * cpphash.h (struct spec_nodes): Add n_true and n_false.
1136 * cppinit.c (cpp_create_reader): Initialize them.
1137 (append_include_chain): cxx_aware arg might be unused.
1138 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
1139 keywords and give them their phase 7 meaning. Pedwarn about
1140 this unless '__bool_true_false_are_defined' is defined.
1142 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
1144 * lcm.c (optimize_mode_switching): Emit mode_set before the
1145 JUMP_INSN of an abnormal edge.
1147 2001-02-07 Bernd Schmidt <bernds@redhat.com>
1149 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
1150 a scheduling barrier at the end.
1152 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
1154 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
1156 * config/sh/sh.md (reload_outsf): Removed.
1157 (movsf_ie): Introduce constraints for FPUL loads and stores.
1158 (reload_insf): Broaden the output constraint.
1160 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
1162 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
1163 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
1165 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
1167 * final.c: Revert my previous changes.
1168 * output.h: Make profile_label_no extern.
1169 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
1170 for generating label.
1172 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
1174 * config/i386/djgpp.h: Add comments about standard paths.
1175 (MD_EXEC_PREFIX): Undefine before defining.
1176 (MD_STARTFILE_PREFIX): New.
1178 2001-01-30 Bruce Korb <bkorb@gnu.org>
1180 fixinc/fixincl.c(process): Emit error message only if appropriate :)
1181 (load_file): do not rely on load_file_data() to close file pointer
1182 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
1183 fixinc/inclhack.def(irix_limits_const): add test_text
1185 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
1187 * cppexp.c (parse_defined): Improve diagnostics for invalid
1190 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
1192 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
1194 2001-02-06 Mark Mitchell <mark@codesourcery.com>
1196 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
1197 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
1198 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
1199 (rs6000_output_symbol_ref): New function.
1200 (output_toc): Use VTABLE_NAME_P.
1202 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1204 * print-tree.c (print_node, case PARM_DECL):
1205 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
1207 * stor-layout.c (reference_types_internal): New variable.
1208 (internal_reference_types): New function.
1209 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
1210 * tree.h (internal_reference_types): New declaration.
1212 * cse.c (find_best_addr): Fix typo in computing cost.
1214 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1216 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
1217 and this is the sum of a pointer and a constant, we know the result
1219 (num_sign_bit_copies, case PLUS): Likewise.
1220 * explow.c (convert_memory_address): Remove opposite SUBREG.
1221 * function.c (instantiate_new_reg): New function (from common code).
1222 (instantiate_virtual_regs_1): Call it.
1223 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
1224 if pointers sign- or zero-extend.
1225 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
1226 If pointers extend unsigned, use inside of SUBREG.
1227 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
1229 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
1231 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
1232 subdir of gcc_gxx_include_dir.
1233 (gcc_gxx_target_include_dir): Remove.
1235 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
1237 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
1238 (dwarf2out_frame_debug_expr): Revise introductory comments to add
1239 a high-level description.
1241 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
1243 * final.c: Move the declaration of profile_label_no to ...
1244 * output.h: ... here.
1245 * function.c (expand_function_start): Call PROFILE_HOOK.
1246 * config/rs6000/aix.h: Define PROFILE_HOOK.
1247 * config/rs6000/rs6000-protos.h: output_profile_hook new.
1248 * config/rs6000/rs6000.c (output_profile_hook): Define.
1249 (output_prolog): Do nothing for ABI_AIX as it is taken care by
1250 output_profile_hook.
1251 tm.texi : Explain new macro PROFILE_HOOK.
1253 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
1255 * extend.texi (Extended Asm): Do not say that semicolon is always
1256 a valid line-breaking character for GNU assemblers. Use
1257 newline-tab as the most commonly supported syntax. Use
1258 newline-tab rather than semicolon in multi-insn examples.
1260 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1262 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
1264 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1265 David Edelsohn <edelsohn@gnu.org>
1267 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
1268 code for AIX, even without flag_pic.
1270 2001-02-05 Jakub Jelinek <jakub@redhat.com>
1272 * c-typeck.c (common_type): push and pop binding level around
1273 calling common_type on function parameters.
1275 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
1277 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
1279 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1281 * config/mips/mips.c (override_options): Fix typo in last change.
1282 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
1283 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
1285 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
1287 * invoke.texi (-fdump-class-layout): Document.
1288 (-fdump-translation-unit): Use `=' as filename separator.
1290 2001-02-05 Mark Mitchell <mark@codesourcery.com>
1292 * Makefile.in (s-mlib): Don't build multilibs if
1294 (DRIVER_DEFINES): Adjust accordingly.
1296 (protoize.o): Likewise.
1297 (unprotoize.o): Likewise.
1298 * configure.in: Recognize --enable-multilib.
1300 2001-02-04 Mark Mitchell <mark@codesourcery.com>
1302 * Makefile.in (DRIVER_DEFINES): Fix quoting.
1304 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
1305 * configure.in: Remove --enable-libstdcxx_v3 support.
1306 * configure: Regenerated.
1308 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1310 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
1311 Call abort instead of fatal.
1312 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
1313 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
1314 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
1315 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
1316 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
1317 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
1319 * diagnostic.h (set_internal_error_function): Renamed.
1320 * toplev.h (internal_error): Renamed from fatal.
1321 (pfatal_with_name): Deleted.
1322 (fatal_io_error): Now has printf-style arguments.
1323 * diagnostic.c (pfatal_with_name): Deleted.
1324 (fatal_io_error): Rework to have args in printf-style.
1325 (set_internal_error_function): Renamed from set_fatal_function.
1326 (internal_error): Renamed from fatal.
1327 (error_recursion, fancy_abort): Call internal_error instead of fatal.
1328 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
1329 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
1330 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
1331 * flow.c (verify_flow_info): Likewise.
1332 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
1333 * config/mips/mips.c (save_restore_insns): Likewise.
1335 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
1336 * flow.c (verify_flow_info): Likewise.
1337 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
1338 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
1339 (avr_normalize_condition): Likewise.
1340 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
1341 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
1342 (limit_reload_class, double_reg_to_memory): Likewise.
1343 (print_operand_address, emit_1600_code_shift): Likewise.
1344 (gen_tst_reg, gen_compare_reg): Likewise.
1345 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
1346 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
1348 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
1350 * c-parse.in (methoddef): Call fatal_error instead of fatal.
1351 * objc/objc-act.c (build_ivar_chain): Likewise.
1352 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
1354 * graph.c (clean_graph_dump_file): Likewise.
1355 * profile.c (init_branch_prob): Likewise.
1356 * objc/objc-act.c (objc_init): Likewise.
1358 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
1359 * config/avr/avr.c (avr_override_options): Likewise.
1360 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
1361 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
1362 * config/h8300/h8300.c (h8300_init_once): Likewise.
1363 * config/mips/mips.c (override_options): Likewise.
1364 * config/i386/i386.c (override_options): Likewise, rework.
1365 * config/m68k/m68k.c (override_options): Likewise.
1367 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
1369 * config/mips/mips.c (print_operand): Likewise.
1370 * hash.c (hash_allocate): Don't check for failure returns from
1371 obstack functions that can't fail.
1372 (hash_table_init_n, hash_table_init): Likewise; also now return void.
1373 * hash.h (hash_table_init_n, hash_table_init): Now return void.
1374 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
1375 (get_object_reference): Likewise.
1377 2001-02-04 Nick Clifton <nickc@redhat.com>
1379 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
1380 StrongARM1110, 10TDMI, and 1020T.
1382 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1384 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
1386 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
1388 * config/sh/sh.md (movdf load split): Pass register number to
1389 FP_OR_XD_REGISTER_P.
1391 2001-02-04 Mark Mitchell <mark@codesourcery.com>
1393 * cppinit.c (BC): New macro.
1394 (builtin_array): Add __GXX_WEAK__.
1395 * cpplib.h (builtin_type): Add BT_WEAK.
1396 * cppmacro.c (builtin_macro): Handle BT_WEAK.
1397 * defaults.h (SUPPORTS_ONE_ONLY): Define.
1398 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
1400 2001-02-03 Jakub Jelinek <jakub@redhat.com>
1402 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
1404 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
1406 * cpphash.h: Rename _ALIGN POOL_ALIGN.
1407 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
1409 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
1411 * cpphash.h: Rename ALIGN _ALIGN.
1412 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
1414 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
1416 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
1417 compilation environment.
1418 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
1419 control over location of cygwin includes and libs.
1421 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
1423 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
1425 2001-02-02 lars brinkhoff <lars@nocrew.org>
1427 * md.texi (Standard Names): remove reference to spur.md.
1429 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
1431 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
1432 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
1433 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
1434 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
1435 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
1437 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1439 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
1440 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
1441 number before reload.
1442 (c4x_adjust_cost): Return zero before reload.
1443 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
1444 split before reload.
1446 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1448 * c4x.c (c4x_hard_regno_rename_ok): New.
1449 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
1450 * c4x.h (HARD_REGNO_RENAME_OK): Define.
1452 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1454 * diagnostic.h: Add missing "extern" in all declarations.
1456 2001-02-02 Alex Samuel <samuel@codesourcery.com>
1458 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
1459 as for gcc_gxx_include_dir.
1461 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
1463 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
1465 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
1467 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
1468 label before alignment to be used as the braf base address.
1469 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
1471 (casesi_jump_2): Require at least TARGET_SH2.
1473 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
1474 truncation to 32-bit doubles on -m3e and -m4-single-only.
1476 2001-02-02 Mark Mitchell <mark@codesourcery.com>
1478 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
1479 the default when building a shared object.
1480 (init_spec): Use it.
1481 * testsuite/lib/g++.exp: Include the directory where libgcc
1482 is located to the LD_LIBRARY_PATH list.
1483 * invoke.texi (-shared-libgcc): Document the cases in which
1484 GCC defaults to using the shared libgcc.
1486 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
1488 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
1489 unsigned is wide enough.
1491 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
1492 (si_to_float): Likewise.
1493 (float_to_si, float_to_usi): Use BITS_PER_SI.
1495 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
1497 * dwarf2out.c: Added explanation of abbreviations.
1498 (def_cfa_1): Added comments listing DWARF2 instructions.
1499 (cfa_temp_reg): Removed in favor of cfa_temp.
1500 (cfa_temp_value): Removed in favor of cfa_temp.
1501 (cfa_temp): New global variable.
1502 (dwarf2out_frame_debug_expr): Added extensive introductory
1503 comments explaining the function's transformations. Revised to
1504 use cfa_temp. Added some rtx checking. Generalize IOR case.
1505 (dwarf2out_frame_debug): Revised to use cfa_temp.
1506 (output_aranges): Cast as "unsigned" to avoid warning.
1507 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
1508 explain which instructions must be marked.
1510 2001-02-01 Richard Henderson <rth@redhat.com>
1512 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
1515 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
1517 * config/sh/crt1.asm (main_k): Modified so that start calls
1518 ___setup_argv_and_call_main.
1520 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
1522 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
1523 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
1524 and AVOID_LPASTE is cleared on meeting an unescaped newline.
1525 * cppmacro.c (builtin_macro): Set builtin flags here.
1526 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
1527 (replace_args): Clarify intent.
1528 (cpp_get_token): Macro expansion tokens get the saved flags.
1530 * cppmain.c (scan_buffer): Remove now-redundant print.printed
1533 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
1535 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
1538 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1540 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
1541 returns Pmode pseudo, but we need ptr_mode.
1542 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
1543 Remove bogus conversions; use HOST_WIDE_INT for size.
1544 Don't use TARGET if wrong mode.
1546 * config/i386/i386.c (ix86_compute_frame_size): Allow
1547 stack_alignment_needed to be non-default even if size is zero.
1549 2001-01-31 Alan Modra <alan@linuxcare.com.au>
1551 * (hppa_init_pic_save): Emit the pic offset table
1552 reg save after last_parm_insn.
1553 * pa.c (hppa_init_pic_save): New function.
1554 * pa.h (hppa_init_pic_save): Declare.
1555 * pa.md (call, call_value, sibcall, sibcall_value): Use
1556 the above instead of duplicated code.
1558 * pa.c (hppa_encode_label): Correct size of alloca buffer
1559 so we don't overrun it. Correct leading `*' case.
1560 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
1561 need to handle `*@'.
1562 (FUNCTION_NAME_P): Likewise.
1564 2001-01-31 Richard Henderson <rth@redhat.com>
1566 * config.gcc (alpha-osf5): Use float-i128.h.
1568 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
1569 * config/float-i32.h: Likewise.
1570 * config/float-i64.h: Likewise.
1571 * config/float-sh.h: Likewise.
1572 * config/float-sparc.h: Likewise.
1574 2001-01-31 DJ Delorie <dj@redhat.com>
1576 * expmed.c (extract_bit_field): allow non-integral modes if we
1577 want to extract a whole register from itself.
1579 2001-01-31 Jakub Jelinek <jakub@redhat.com>
1581 * c-typeck.c (set_init_index): If first is equal to last, assume as
1582 if it was not a range at all.
1584 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
1586 * config/fp-bit.c: Include tm.h.
1587 (float_to_si): Don't assume SImode is 32-bits wide.
1588 (float_to_usi): Likewise.
1590 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
1592 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
1594 (typename): Call pending_xref_error after parsing typed_typespecs.
1595 * c-decl.c (lookup_tag): Give error immediately rather than
1596 leaving it pending if the tag of the wrong type is in the same
1598 (xref_tag): Don't pedwarn for forward declarations of enum types
1600 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
1603 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
1605 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
1607 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
1609 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
1610 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
1612 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
1614 * cpphash.h (struct cpp_reader): New saved_flags.
1615 * cppmacro.c (cpp_get_token): Use saved_flags to remember
1616 to avoid a paste after a pasted token.
1618 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
1620 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
1621 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
1622 Wtype_MIN instead of LONG_MIN.
1624 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
1626 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
1628 * fixinc/fixincl.x: Regenerated.
1629 * fixinc/inclhack.def (irix_limits_const): New definition to
1630 convert "const" to "__const" in limits.h.
1632 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
1634 * fixinc/genfixes (AG): Fix "autogen4" thinko.
1636 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1638 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
1639 when register dies in the insn.
1641 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
1643 * diagnostic.c (fatal): Fix word wrap.
1645 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
1647 * combine.c (try_combine): Fix SUBREG setting for
1648 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
1650 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1652 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
1655 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
1657 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
1659 * toplev.c (decode_W_option): Update warn_larger_than
1660 unconditionally for each processed switch.
1662 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
1664 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
1666 (hppa_expand_prologue): Delete code to save pic offset table register
1667 in the function prologue.
1668 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
1669 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
1670 table register at the beginning of the function after the prologue.
1672 2001-01-29 lars brinkhoff <lars@nocrew.org>
1674 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
1676 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
1677 Jeff Law <law@redhat.com>
1679 * pa.md (return): Revise comment for trivial return.
1680 (return_internal): Non-trivial return pattern for non-PIC code.
1681 (return_internal_pic): Non-trivial return pattern for PIC code.
1682 It uses the PIC register to ensure it is restored after
1684 (epilogue): Generate appropriate return for PIC and non-PIC code.
1686 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
1688 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
1690 2001-01-29 DJ Delorie <dj@redhat.com>
1692 * combine.c (if_then_else_cond): Pass the correct mode to
1693 operand_subword() for constants.
1695 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
1697 * config/i386/cygwin.h: Add w32api to include search. Search different
1698 directories in a cross-build environment.
1700 2001-11-29 Tim Josling <tej@melbpc.org.au>
1702 * tree.h (TYPE_STUB_DECL): Add documentation.
1704 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
1706 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
1707 (sdbout_field_types): Likwise. Fix use of host_integerp.
1709 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
1711 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
1714 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
1716 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
1717 to use flag_gnu_linker.
1719 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
1721 * cpplib.c (T_BAD_DIRECTIVE): Remove.
1722 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
1724 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
1726 * tree.c, tree.h (build_parse_node): Remove; was identical to
1728 * c-lang.c (start_cdtor), objc/objc-act.c
1729 (build_module_descriptor): Use build_nt instead of
1732 2001-01-29 Jakub Jelinek <jakub@redhat.com>
1734 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
1735 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
1736 not have any upper bits set.
1738 2001-01-29 Phil Edwards <pme@sources.redhat.com>
1740 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
1742 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1744 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
1746 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
1748 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
1749 (integer_minus_one_node): Define.
1751 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
1753 * Makefile.in (bootstrap2-lean): Fix typo.
1755 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
1757 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
1758 : Don't set fe_value.
1759 * cpplib.h (AVOID_LPASTE): New flag.
1760 (struct cpp_hashnode): Remove fe_value.
1761 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
1762 * cppmacro.c (builtin_macro): Don't set flags here.
1763 (replace_args): Set AVOID_LPASTE flag on first token of an
1764 argument, and the token following it.
1765 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
1766 macro expansion, and on the token following it. Do it for
1768 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
1770 2001-01-27 Richard Henderson <rth@redhat.com>
1772 * config/alpha/t-ieee: Remove multilibbing.
1773 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
1775 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1777 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
1779 * Makefile.in: Remove all dependencies on defaults.h.
1780 * builtins.c: Don't include defaults.h.
1781 * c-common.c: Likewise.
1782 * c-decl.c: Likewise.
1783 * c-pragma.c: Likewise.
1784 * c-typeck.c: Likewise.
1785 * combine.c: Likewise.
1787 * frame-ia64.c: Likewise.
1788 * cppexp.c: Likewise.
1789 * crtstuff.c: Likewise.
1790 * dbxout.c: Likewise.
1791 * dwarf2out.c: Likewise.
1792 * dwarfout.c: Likewise.
1793 * emit-rtl.c: Likewise.
1794 * except.c: Likewise.
1796 * final.c: Likewise.
1797 * frame-dwarf2.c: Likewise.
1798 * libgcc2.c: Likewise.
1799 * optabs.c: Likewise.
1800 * profile.c: Likewise.
1801 * sdbout.c: Likewise.
1802 * toplev.c: Likewise.
1803 * tradcif.y: Likewise.
1805 * varasm.c: Likewise.
1807 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1809 * builtins.c (expand_builtin_fputs): Use size_one_node when
1810 transforming into fwrite.
1812 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
1814 * extend.texi (Attribute Syntax): New section.
1816 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
1818 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
1819 they didn't need fixing.
1821 2001-01-27 Janis Johnson <janis@us.ibm.com>
1823 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
1825 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
1826 to remove macro definitions that are duplicated from elfos.h.
1828 2001-01-27 Richard Henderson <rth@redhat.com>
1830 * config/i386/sco5gas.h: Move ...
1831 * config/usegas.h: ... here.
1832 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
1834 2001-01-27 Jakub Jelinek <jakub@redhat.com>
1836 * c-typeck.c (struct constructor_stack): Add range_stack member.
1837 (really_start_incremental_init): Clear it.
1838 (push_init_level): Save constructor_range_stack and clear it if
1839 pushing explicit braces.
1840 (pop_init_level): abort if constructor_range_stack is non-zero at
1841 explicit closing brace. Restore saved constructor_range_stack if
1844 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
1846 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
1847 into register was forced into memory.
1849 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
1851 * Makefile.in: Remove uses of + before $(MAKE).
1853 2001-01-26 Richard Henderson <rth@redhat.com>
1855 * stmt.c (cost_table): Remove.
1856 (COST_TABLE, cost_table_initialized): New.
1857 (estimate_case_costs): Use the later instead of the former.
1858 (balance_case_nodes): Likewise.
1860 2001-01-26 Richard Henderson <rth@redhat.com>
1862 * alias.c (objects_must_conflict_p): Read-only slots may not
1863 conflict despite having the same type.
1865 2001-01-27 Michael Hayes <mhayes@redhat.com>
1867 * loop.c (loop_giv_reduce_benefit): Copy mode size into
1869 (check_ext_dependant_givs): Initialise u_start_val and
1871 (load_mems): Make last_max_reg unsigned.
1872 (try_swap_copy_prop): Use INSN_P and initialise set.
1874 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
1876 * README.AVR : Removed.
1878 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
1880 * pa-64.h (text_section): Remove declaration.
1882 * pa.md (return_internal): Remove mode on PIC register use.
1884 2001-01-25 lars brinkhoff <lars@nocrew.org>
1886 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
1887 ASM_CLOSE_PAREN): fix typos.
1889 2001-01-25 Mark Mitchell <mark@codesourcery.com>
1891 * acconfig.h: Define `const' to the empty string if neither
1892 __STDC__ nor __cplusplus is defined.
1893 * config.in: Regenerated.
1895 2001-01-25 David Edelsohn <edelsohn@gnu.org>
1897 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
1898 * collect2.c (main): Delete importf. Add ".obj" file extension.
1899 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
1900 (aix_std_libs): Add additional AIX libraries to skip.
1901 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
1902 * config/rs6000/aix51.h: New file.
1904 2001-01-25 Michael Hayes <mhayes@redhat.com>
1906 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
1907 (loop_insn_emit_before): No longer static.
1908 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
1909 (loop_givs_rescan, load_mems): Likewise.
1910 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
1911 (maybe_eliminate_biv_1):
1912 (move_movables): Replace emit_call_insn_before with
1913 loop_call_insn_hoist.
1914 * loop.h (loop_insn_emit_before): Add.
1915 * unroll.c (copy_loop_body): Replace emit_insn_before with
1916 loop_insn_emit_before.
1918 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
1920 * diagnostic.c (fatal): Request preprocessed source.
1922 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
1924 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
1925 olddecl has argument types and newdecl has none, use the argument
1928 2001-01-24 Ulrich Drepper <drepper@redhat.com>
1930 * dwarf2out.c (prefix_of): New function. Determine longest common
1931 prefix of the two arguments. The units are whole path components.
1932 (output_file_names): When adding a new directory find the one entry
1933 with the longest common prefix already in the list. Artificially
1934 generate entry if there is none for this prefix.
1935 Fix test to check whether the zeroth directory entry is used.
1937 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
1939 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
1940 Changed all callers. Take it into account when deciding if a
1941 previously loaded value matches.
1943 2001-01-24 Richard Henderson <rth@redhat.com>
1945 * reload.c (find_reloads_subreg_address): Fail the substitution
1946 if the resulting address is insufficiently aligned.
1948 2001-01-24 DJ Delorie <dj@redhat.com>
1950 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
1951 check the original operand's mode also.
1952 * simplify-rtx.c (simplify_ternary_operation): Ditto.
1954 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
1956 * c-parse.in (cast_expr): Move compound literals from here ...
1957 (primary): ... to here. Use standard terminology "compound
1958 literal" instead of "constructor expression".
1960 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
1962 * gcc.1, cpp.1: Regenerate.
1964 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
1966 * calls.c (emit_library_call_value_1): Memory slot for
1967 pass-by-reference argument should have the mode of the argument,
1968 not of the pointer to it.
1970 2001-01-24 Tom Tromey <tromey@redhat.com>
1972 * gcc.texi (G++ and GCC): Mention gcj manual.
1973 (Standards): Link to section of manual mentioning gcj/Java
1976 2001-01-24 Jakub Jelinek <jakub@redhat.com>
1978 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
1979 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
1980 * tradcpp.c (main): Add -imacros or -include'd dependencies
1982 * cpp.texi (-M, -MM): Document -M -include behaviour.
1984 2001-01-24 Roger Collins <roger@ProProject.com>
1986 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
1988 2001-01-24 Will Cohen <wcohen@redhat.com>
1990 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
1991 whether registers are 32 bits or 64 bits in size.
1993 2001-01-24 Ben Elliston <bje@redhat.com>
1995 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
1997 2001-01-24 Richard Henderson <rth@redhat.com>
1999 * config/alpha/alpha.md (builtin_longjmp_internal): New.
2000 (builtin_longjmp): Use it instead of emit_indirect_jump.
2002 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
2004 * bb-reorder.c (make_reorder_chain_1): Handle case where
2005 jump edge goes to the same block as the fallthru edge.
2007 2001-01-23 Jim Wilson <wilson@redhat.com>
2009 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
2010 * frame.h (__ia64_personality_v1): Add prototype.
2011 * libgcc2.c (ia64_throw_helper): Change personality declaration to
2012 prototype form. Add void * cast to first argument to personality
2014 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
2015 (asctoe113): Likewise.
2016 * config/ia64/frame-ia64.c: Include eh-common.h.
2017 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
2019 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
2021 (itanium_split_issue): Add prototype.
2022 (gen_nop_type): Ifdef out.
2023 (find_best_packet): Initialize best_packet.
2024 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
2026 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
2027 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
2028 (flushrs): Add explicit stop bit at end.
2029 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
2032 2001-01-23 Chris Demetriou <cgd@broadcom.com>
2034 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
2036 * libgcc2.c (__terminate_func): Make variable static.
2037 (__terminate_set_func): New function to set __terminate_func.
2038 * libgcc2.h (__terminate_func_ptr): New typedef.
2039 (__terminate_set_func): New function.
2041 2001-01-23 Richard Henderson <rth@redhat.com>
2043 * flow.c (init_propagate_block_info): Don't consider unchanging
2044 memories for dead frame store elimination.
2046 2001-01-23 Richard Henderson <rth@redhat.com>
2048 * varasm.c (UNIQUE_SECTION): Move default implementation ...
2049 * defaults.h: ... here.
2051 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2053 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
2055 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
2057 * c-lex.c (lex_charconst): Fix typo: s/p/str.
2059 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2061 * rs6000.h (rs6000_return_addr): Move prototype from here...
2062 * rs6000-protos.h (rs6000_return_addr): ...to here.
2063 (rs6000_init_expanders): Delete prototype.
2065 2001-01-23 Nick Clifton <nickc@redhat.com>
2067 * invoke.texi: Replace , with \, inside @gccoptlist macros.
2068 (Spec Files): Document %B and %j and %. and %v3 and %M and
2069 %{S*&T} spec switches.
2071 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2073 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
2075 2001-01-23 Chris Demetriou <cgd@sibyte.com>
2076 Neil Booth <neil@daikokuya.demon.co.uk>
2078 * cpperror.c: Merge handlers of PEDWARN and WARNING.
2079 Have -Werror make pedantic warnings errors, like the
2082 2001-01-23 Phil Edwards <pme@sources.redhat.com>
2084 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
2086 2001-01-23 Jakub Jelinek <jakub@redhat.com>
2088 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
2089 * integrate.c (expand_inline_function): Initialize them.
2090 (subst_constants): If changing COMPARE so that both its arguments
2091 will be VOIDmode and the comparison mode will be lost, note
2092 compare_mode. Use the recorded compare_mode to optimize
2095 2001-01-23 Jason Merrill <jason@redhat.com>
2097 * dwarf2out.c (new_die): Use xcalloc.
2098 (output_die): Abort rather than emit a local reference to offset 0.
2100 2001-01-17 Andrew Haley <aph@redhat.com>
2102 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
2103 of a saved register; return NULL instead.
2104 (copy_reg): Take a pointer to a source register rather than a
2106 (next_stack_level): Remember the address in the stack frame of all
2108 Use the saved register pointer array as the source of the CFA.
2109 (throw_helper): Rewrite. Unwind once rather than twice and keep
2110 track of saved registers as we go.
2112 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2114 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
2115 * c4x.c (c4x_legitimize_reload_address): Remove.
2116 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
2117 reload address for ldp(k) insn.
2119 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
2121 * pa.md (return_internal): Add a USE of the PIC register to ensure
2122 it is restored after each call.
2123 (return expander): Corresponding changes.
2125 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2127 * rs6000.h (INIT_EXPANDERS): Delete.
2128 (RETURN_ADDR_RTX): Call rs6000_return_addr().
2129 * rs6000.c (rs6000_override_options): Call *_machine_status from
2131 (rs6000_init_expanders): ...instead of here. Delete.
2132 (rs6000_mark_machine_status): New function.
2133 (rs6000_init_machine_status): Use xcalloc.
2134 (rs6000_return_addr): Generate RTX for the return address.
2135 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
2136 (rs6000_stack_info): Use it.
2138 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
2140 * gthr-win32.h: Include errno.h to get a declaration for
2141 EINVAL and _mingw.h if the target is mingw32.
2143 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
2145 * cpp.texi: Correct typos.
2147 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2149 * explow.c (probe_stack_range): Ensure value passed to
2150 stack_check_libfunc is ptr_mode, not Pmode.
2152 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
2154 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
2155 case, don't use operand_subword to calculate a SUBREG that is
2158 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
2160 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2162 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
2163 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
2164 valid. If not replace it by equivalent insns.
2166 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2168 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
2169 contains SYMBOL_REF, LABEL_REF and CONST_INT.
2170 (c4x_U_constraint, symbolic_address_operand): Likewise.
2171 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
2173 (c4x_r11_set_p, c4x_check_laj_p): New functions.
2174 * c4x-protos.h (c4x_check_laj_p): Add prototype.
2175 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
2176 anulling slot because of silicon bug.
2177 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
2179 2001-01-22 Alan Modra <alan@linuxcare.com.au>
2181 * cppexp.c (parse_charconst): Change `mask' type to agree
2184 2001-01-21 Richard Henderson <rth@redhat.com>
2186 * config/i386/i386.c (ix86_asm_file_end): Disable putting
2187 pic_label_name in a linkonce section.
2189 2001-01-17 Philipp Thomas <pthomas@suse.de>
2191 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
2193 * configure: Regenerate.
2195 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
2197 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
2198 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
2200 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
2202 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
2203 If REVERSE nonzero then condition code in X must be reversed.
2204 (encode_section_info): Optimise if/else.
2205 (avr_function_value): Fix formatting.
2207 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
2208 (difficult_branch): Likewise.
2209 (rvbranch): Likewise.
2210 (difficult_rvbranch): Likewise.
2212 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
2214 * config/avr/libgcc.S: Fix comment.
2216 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
2218 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
2220 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
2222 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
2224 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
2226 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
2227 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
2228 * configure, config.in: Regenerate.
2229 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
2230 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
2231 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
2232 (doprint.o): New rule.
2234 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
2236 * c-typeck.c (digest_init): Handle boolean types as scalars.
2238 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2240 * stmt.c (expand_return): Don't return anything if size is zero.
2241 Delete redundant assignment to BYTES.
2242 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
2244 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
2246 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
2247 the same as the default library function names.
2248 * config/avr/avr.md: Document special characters after '%'.
2249 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
2250 knowing which of the call-used registers are really clobbered.
2251 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
2252 New. Both quotient and remainder from one libgcc.S call.
2253 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
2254 clobber as few registers as possible.
2255 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
2257 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
2259 * cppmacro.c (funlike_invocation_p): Don't move back up to the
2260 context of the top of the stack.
2262 2001-01-20 Jakub Jelinek <jakub@redhat.com>
2264 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
2265 (fixup_var_refs_insns): ...here.
2267 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
2269 * function.c (fixup_var_refs_insns): Break up into
2270 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
2271 [loop over entire insn list], and fixup_var_refs_insns_with_hash
2272 [loop over hash table entries].
2273 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
2274 fixup_var_refs_insns_with_hash, to match above changes.
2276 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
2278 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
2279 (libgcc.a): Likewise.
2280 (stmp-multilib): Likewise.
2281 (STAGE2_FLAGS_TO_PASS): Likewise.
2283 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
2285 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
2286 temporary if no_new_pseudos.
2288 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
2290 * cppinternals.texi: Update.
2292 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
2294 * arm.c (arm_init_builtins): Re-enable builtins.
2296 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2298 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
2299 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
2300 element to be null, and always expect an EXPR_LIST.
2301 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
2302 * sched-deps.c (sched_analyze_1): Likewise.
2303 * sched-rgn.c (check_live_1, update_live_1): Likewise.
2305 * regclass.c (max_set_parallel): New variable.
2306 (reg_scan): Take it into account in computation of max_parallel.
2307 (reg_scan_mark_refs, case SET): Compute it.
2309 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
2311 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
2312 * function.c (assign_parms): Use INTVAL for a CONST_INT.
2314 2001-01-19 Jason Merrill <jason@redhat.com>
2316 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
2317 for the abstract instance of an inline function.
2319 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
2320 J"orn Rennecke <amylaar@redhat.com>
2322 * reload1.c (move2add_note_store): Treat all registers directly or
2323 indirectly derived from a base register as members of the same set
2325 (reload_cse_move2add): Adjust accordingly. Take mode and offset
2326 of base register into account.
2328 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
2330 * alias.c (find_base_value): Recognize TRUNCATE.
2331 (record_set): In PLUS case, invalidate if other summand is also a
2334 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2336 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
2337 entry to be EXPR_LIST.
2338 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
2339 be an EXPR_LIST (but not null, which other code doesn't allow).
2340 (note_stores): Properly handle PARALLEL in SET.
2341 Recursively call for top-level PARALLEL.
2342 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
2343 * sched-rgn.c (check_live_1, update_live_1): Likewise.
2345 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
2347 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
2349 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
2350 not pfile->skipping (== 0).
2352 2001-01-17 Nick Clifton <nickc@redhat.com>
2354 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
2357 2001-01-17 Jim Wilson <wilson@redhat.com>
2359 * invoke.texi (IA-64 options): Improve.
2361 2001-01-17 Tom Tromey <tromey@redhat.com>
2363 * invoke.texi (Optimize Options): Use `{}' to around @samp
2366 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
2368 * invoke.texi (-fno-guess-branch-probability): New option.
2370 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2372 * combine.c (try_combine): Don't set i3_subst_into_i2 for
2373 case of making new double-word constant.
2374 Revert last change: instead just test i3_subst_into_i2.
2376 2001-01-17 Jakub Jelinek <jakub@redhat.com>
2378 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
2379 Use q constraints instead of r.
2381 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
2383 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
2384 (machine_function): Define.
2385 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
2386 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
2387 pa_free_machine_status): New functions.
2388 (override_options): Set {init,mark,free}_machine_status to above.
2389 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
2390 PIC_OFFSET_TABLE_REGNUM_SAVED.
2391 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
2392 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
2393 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
2394 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
2395 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
2397 2001-01-15 DJ Delorie <dj@redhat.com>
2399 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
2403 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2405 * flow.c (propagate_on_insn): Make trying to delete a prologue
2406 or epilogue insn an ICE, not a warning. Allow doing this if
2407 the current function returns with stack pointer depressed.
2409 * combine.c (try_combine): If i3_subst_into_i2, properly check for
2410 I3 having more than one SET.
2412 2001-01-16 Jim Wilson <wilson@redhat.com>
2414 * invoke.texi: Document IA-64 options.
2416 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
2417 (fixup_errata): Delete TARGET_A_STEP use.
2418 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
2419 (TARGET_SWITCHES): Delete -ma-step option.
2420 * config/ia64/ia64.md (all FP patterns): Delete %B0.
2421 (movqicc_astep, movqi_internal_astep, movhicc_astep,
2422 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
2423 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
2424 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
2425 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
2427 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
2428 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
2429 cmovsi_internal): Delete ! TARGET_A_STEP check.
2431 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2433 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
2434 possibility to report bugs via postal mail. Change a URL and
2435 merge in a nearly duplicate statement...
2436 (Bug Reporting): ...from here.
2437 (Service): Refer to the Bug Reporting section instead of
2439 (Contributing): Remove trivial explanations concerning snapshots.
2441 2001-01-16 Alan Modra <alan@linuxcare.com.au>
2443 * cppmain.c (general_init): Don't use ANSI prototype.
2445 2001-01-16 Tom Tromey <tromey@redhat.com>
2447 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
2449 2001-01-16 Richard Henderson <rth@redhat.com>
2451 * config/i386/i386.h: Fix comment typo.
2452 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
2453 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
2455 2001-01-16 Phil Edwards <pme@sources.redhat.com>
2457 * gcc.c: Revert previous -fsyntax-only-related change; move
2460 2001-01-16 Jakub Jelinek <jakub@redhat.com>
2462 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
2463 inmode after checking GET_CODE (op).
2465 2001-01-16 Richard Henderson <rth@redhat.com>
2467 * flow.c (struct propagate_block_info): Add mem_set_list_len.
2468 (MAX_MEM_SET_LIST_LEN): New.
2469 (propagate_one_insn): Update mem_set_list_len.
2470 (invalidate_mems_from_autoinc): Likewise.
2471 (invalidate_mems_from_set): Likewise.
2472 (mark_used_regs): Likewise.
2473 (init_propagate_block_info): Likewise. Stop collecting memories
2474 when we reach MAX_MEM_SET_LIST_LEN.
2475 (mark_set_1): Likewise.
2477 2001-01-16 Richard Henderson <rth@redhat.com>
2479 * unroll.c (precondition_loop_p): Fail if no iteration
2482 2001-01-16 Phil Edwards <pme@sources.redhat.com>
2484 * gcc.c: When -fsyntax-only is given, do not complain about
2487 2001-01-15 Richard Henderson <rth@redhat.com>
2489 * config/i386/i386.c (asm_output_function_prefix): Remove.
2490 (ix86_asm_file_end): New.
2491 (load_pic_register): Generate pic_label_name into a
2492 staticly allocated buffer.
2493 * config/i386/i386-protos.h: Update.
2494 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
2495 (ASM_FILE_END): New.
2496 * config/i386/i386afe.h: New file.
2497 * config.gcc (i?86-*-elf) [tm_file]: Use it.
2498 (i?86-*-{freebsd,linux*,moss*}): Likewise.
2499 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
2500 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
2501 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
2502 * config/i386/sco5.h (ASM_FILE_END): Likewise.
2503 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
2505 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
2507 * Makefile.in (install-man): Remove explicit dependency on
2510 * configure.in, configure: Revert previous patch requiring perl
2513 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
2515 * toplev.c (flag_guess_branch_prob): New.
2516 (f_options): Add guess-branch-probability option.
2517 (rest_of_decl_compilation): Only estimate branch probability if
2519 (main): set flag_guess_branch_prob.
2521 * flags.h (flag_guess_branch_prob): New.
2523 2001-01-15 DJ Delorie <dj@redhat.com>
2525 * gcc.texi (Makefile): Add documentation for Makefile targets.
2527 2001-01-15 Philip Blundell <philb@gnu.org>
2529 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
2531 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
2532 (is_pic): Delete declaration.
2533 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
2534 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
2535 * config/arm/arm.md (builtin_setjmp_receiver): New.
2537 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
2539 * arm.c (use_return_insn): Don't try to determine the function type
2540 until after reload has completed.
2541 (arm_output_epilogue): Don't adjust the sp value recovered from the
2543 (emit_multi_reg_push): Don't record dwarf information for the pc.
2544 * arm.md (eh_epilogue): The function type may have changed, so it
2545 needs to be recalculated.
2546 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
2547 unwind tables on arm/netbsd.
2549 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
2551 * arm.md (cbranchsi4): Correct calculation of branch ranges.
2552 (negated_cbranchsi4): Likewise.
2554 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
2556 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
2557 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
2558 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
2559 pass -mapcs-* options to assembler.
2560 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
2561 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
2562 (ASM_SPEC): Call subtarget_extra_asm_spec.
2564 2001-01-15 Andreas Jaeger <aj@suse.de>
2566 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
2568 (ix86_expand_builtin): Likewise.
2570 * gencodes.c (output_predicate_decls): Make i size_t to avoid
2571 warning about comparison between signed and unsigned.
2573 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
2575 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
2577 2001-01-14 Ralf Baechle <ralf@gnu.org>
2579 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
2580 SUBTARGET_CPP_SPEC apropriatly.
2582 2001-01-12 Mark Mitchell <mark@codesourcery.com>
2584 * varasm.c (make_decl_rtl): Fix typo in last change.
2586 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
2588 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
2589 linker supports the init_priority C++ attribute.
2590 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
2591 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
2592 linker does not support init_priority C++ attribute.
2594 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
2596 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
2598 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
2600 * c-parse.in (finish_parse): Add comment about cpp_destroy.
2601 * cp/lex.c (finish_parse): Similarly.
2602 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
2603 Return the number of errors encountered.
2604 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
2605 * cppmain.c (main): Don't call cpp_destroy.
2607 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
2609 * configure.in: Require at least perl 5.6.0 to regenerate
2611 * configure: Regenerate.
2613 2001-01-14 Richard Henderson <rth@redhat.com>
2615 * genrecog.c (DT_veclen_ge): New.
2616 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
2617 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
2618 (nodes_identical_1): Handle DT_veclen_ge.
2619 (write_cond, debug_decision_2): Likewise.
2621 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
2623 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
2625 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
2627 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
2629 * cppmain.c (do_preprocessing): New function; most of the old
2631 (main): Call it to do most of the work.
2632 (cb): Move from global scope to set_callbacks ().
2633 (setup_callbacks): Get the callback pointer.
2634 (general_init, printer_init): Clean up code and comments.
2636 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
2638 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
2641 2001-01-14 Kazu Hirata <kazu@hxi.com>
2643 * config/h8300/h8300.c (get_shift_alg): Update comments.
2645 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2647 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
2648 (alloc_page, ggc_alloc): Add casts to remove warnings.
2650 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
2652 * combine.c (simplify_comparison): Don't change `code' when
2653 can't reverse comparison.
2655 2001-01-14 Richard Henderson <rth@redhat.com>
2657 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
2658 update all call sites. Return true for all non-label constants.
2660 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
2662 * i386.c (ix86_expand_compare): Add bypass_test and second_test
2664 (ix86_expand_branch): Update.
2665 (ix86_expand_setcc): Update to handle multiple test conditions.
2666 (expand_int_movcc): Likewise.
2667 (expand_fp_movcc): Likewise.
2668 * i386-protos.h (ix86_expand_compare): New.
2669 * i386.md (andqi_?_slp, orqi_?_slp): New.
2670 (conditional trap expander): Update call to ix86_expand_compare.
2672 2001-01-14 Richard Henderson <rth@redhat.com>
2674 * config/vax/vax.md: Use nonimmediate_operand instead of
2675 general_operand in destinations.
2677 * config/vax/vax.md (indirect_jump): Use register_operand.
2679 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
2680 * config/vax/vax.md (call_pop): Turn into an expander.
2681 (call_value_pop): Likewise.
2682 (call, call_value): New.
2684 2001-01-14 Andreas Jaeger <aj@suse.de>
2686 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
2688 (ix86_fp_compare_mode): Add unused attribute.
2689 (ix86_expand_fp_movcc): Remove unused variable.
2690 (ix86_expand_builtin): Make fcode unsigned.
2692 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
2693 (expand_expr): Add cast to avoid signed warning.
2694 (store_field): Likewise.
2695 (store_constructor_field): Likewise.
2696 (store_constructor): Likewise.
2697 (store_expr): Likewise.
2698 (clear_storage): Likewise.
2699 (emit_group_store): Likewise.
2700 (emit_group_load): Likewise.
2702 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
2704 * c-common.c: Move format checking code to ...
2705 * c-format.c: ... here. New file. Reorder some functions and
2707 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
2709 * c-common.h (decl_handle_format_attribute,
2710 decl_handle_format_arg_attribute): Declare.
2711 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
2712 (c-common.o): Adjust dependencies.
2713 (c-format.o): New list of dependencies.
2715 2001-01-13 Jakub Jelinek <jakub@redhat.com>
2717 * unroll.c (loop_iterations): If we cannot prove iteration variable
2718 is set once in each iteration, punt.
2720 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
2722 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
2723 (*strlenhi): Remove clobber (which was buggy) of output address.
2725 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
2727 * Makefile.in (generated-manpages): Add gcc.1
2728 ($(srcdir)/gcc.1): New target.
2729 (maintainer-clean): Delete $(srcdir)/gcc.1.
2730 * gcc.texi: Add macros @gccoptlist and @gol.
2731 * invoke.texi: Include option summary in manpage. Mark up option
2732 summary with @gccoptlist and @gol. Use @r in one place where
2734 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
2735 * gcc.1: Generate from invoke.texi.
2737 2001-01-13 Richard Henderson <rth@redhat.com>
2739 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
2740 (struct page_entry): Add group member.
2741 (struct page_group): New.
2742 (struct globals): Add page_groups member.
2743 (alloc_anon): Only define for using mmap; remove valloc call.
2744 (page_group_index): New.
2745 (set_page_group_in_use): New.
2746 (clear_page_group_in_use): New.
2747 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
2748 (free_page, release_pages): Likewise.
2749 * configure.in (with-gc): Default to ggc-page always.
2751 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
2753 * reload1.c (replace_pseudos_in_call_usage): Use
2754 reg_equiv_constant and reg_equiv_address, and don't try
2755 regno_reg_rtx first.
2757 2001-01-13 Richard Henderson <rth@redhat.com>
2759 * ggc-page.c (alloc_page): Round up allocation size to one page.
2760 Set e->order on extra pages.
2762 2001-01-13 Richard Henderson <rth@redhat.com>
2764 * genrecog.c (nodes_identical): Expand commentary.
2765 (write_switch): Watch out for identical nodes.
2767 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
2769 * cppfiles.c (_cpp_fake_include): New function.
2770 * cpphash.h (_cpp_fake_include): New.
2771 * cpplib.c (do_line): Call _cpp_fake_include when entering
2772 header files in preprocessed input.
2773 * cppmain.c (cb_pragma_implementation): Remove handling.
2774 (setup_callbacks): Don't register pragmas.
2776 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
2778 * extend.texi: Udate for CPP.
2780 2001-01-13 Andreas Jaeger <aj@suse.de>
2782 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
2784 * regmove.c: Add prototype for replace_in_call_usage.
2786 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
2788 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
2789 struct cpp_chunk, struct htab, struct toklist,
2790 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
2791 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
2792 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
2793 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
2794 (struct macro_args): Delete.
2795 * cpphash.h: See above.
2797 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
2799 * cppmain.c (struct printer): Remove no_line_dirs.
2801 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
2802 : Use options rather than CPP_OPTION.
2803 (setup_callbacks): Use cb rather than pfile->cb.
2804 (main): No need to check for a buffer. Use cpp_errors.
2805 (printer_init): Don't set no_line_dirs.
2806 (maybe_print_line): Use options not no_line_dirs.
2807 (cb_file_change): Don't call print_line if -P.
2809 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
2811 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
2813 * c-parse.in (finish_parse): Use cpp_errors.
2814 (__yylex): Use return value of cpp_pop_buffer.
2815 * cp/lex.c (finish_parse): Use cpp_errors.
2816 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
2818 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
2820 * README.AVR: URLs corrected.
2822 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2824 * c-decl.c (start_function): Don't warn if old prototype is builtin
2825 that's not in C's namespace.
2826 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
2827 (_bb): Add prototype for ctime.
2828 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
2830 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
2832 * i386.c (ix86_fp_comparison_arithmetics_cost,
2833 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
2834 ix86_fp_comparison_cost): New functions.
2835 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
2836 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
2837 two-branch sequences; make static.
2838 (ix86_use_fcomi_compare): Do decision according to the costs.
2839 (split_fp_branch): New.
2840 * i386.md (compare-and-branch patterns): Use split_fp_branch.
2841 * i386-protos.h (ix86_expand_fp_compare): Remove
2842 (ix86_split_fp_branch): Declare.
2844 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
2845 and ix86_comparison_operator.
2847 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
2850 * i386.c (put_condition_code): Output properly the unordered/ordered
2851 compares in fp case.
2852 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
2854 * tm.texi (REVERSE_CONDITION): Document.
2855 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
2856 in -ffast-math mode.
2857 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
2859 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
2861 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
2863 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
2866 * config/sh/sh.c (mova_p): Fix test for mova_const.
2868 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
2870 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
2871 cpp_get_options rather than dereferencing pfile and using
2873 * scan-decls.c (scan_decls): Use return value of
2874 cpp_pop_buffer rather than CPP_BUFFER.
2876 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
2878 * cppinit.c (cpp_handle_option): help_only is now part of the
2879 cpp_options structure.
2880 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
2881 cpp_set_callbacks): New functions.
2882 * cpplib.h (cpp_callbacks): Break out as a named structure.
2883 (cpp_options): Move help_only here from cpp_reader.
2884 (CPP_FATAL_ERRORS): Update to use cpp_errors.
2885 (cpp_errors, cpp_get_options, cpp_get_callbacks,
2886 cpp_set_callbacks): New prototypes.
2887 * cppmain.c (main): Update for help_only.
2889 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
2891 * Makefile.in (info, maintainer-clean, install-info, uninstall):
2892 Also build and remove and install and uninstall c-tree.info and
2894 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
2895 ($(srcdir)/cppinternals.info): New target.
2896 * c-tree.texi: Change file name used when makeinfo used without -o
2897 from ir.info to c-tree.info. Add info directory entry.
2898 * cppinternals.texi: Add info directory entry.
2899 * .cvsignore: Update.
2901 2001-01-12 Jakub Jelinek <jakub@redhat.com>
2903 * c-typeck.c (store_init_value): Don't require constant initializer
2904 elements with -pedantic -std=c99.
2905 (digest_init): Change error about non-constant initializer elements
2907 (constructor_range_end): Remove.
2908 (constructor_incremental, designator_depth,
2909 designator_errorneous): New variables.
2910 (struct constructor_stack): Remove range_end, add incremental.
2911 (struct constructor_range_stack, constructor_range_stack): New.
2912 (struct initializer_stack): Add constructor_range_stack.
2913 (finish_init): Set it.
2914 (start_init): Likewise. require_constant_elements for non-static
2915 trees only if not flag_isoc99.
2916 (really_start_incremental_init): Remove constructor_range_end, add
2917 constructor_incremental.
2918 (pop_init_level): Likewise.
2919 (push_init_level): Likewise. If implicit and the subobject had some
2920 value set already, preinitialize the level with it.
2921 Warn about missing braces only if not pushing due to designators.
2922 (set_designator, push_range_stack): New functions.
2923 (set_init_label): Use them.
2924 (set_init_index): Likewise. Remove constructor_range_end.
2925 Error if designator index is outside of array bounds.
2926 (add_pending_init): Compare values of purpose index trees, not the
2927 trees themselves. Allow overwriting of already initialized element.
2928 Issue a warning if it had side-effects.
2929 (set_nonincremental_init, set_nonincremental_init_from_string): New
2931 (pending_init_member): Rename to...
2932 (find_init_member): ...this function. Call set_nonincremental_init
2933 if necessary. Compare values of purpose index trees, not the trees
2934 themselves. Return the actual value, not just non-zero if something
2936 (output_init_element): Remove checks for duplicates.
2937 If field has zero size, only check the initializer for correctness.
2938 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
2939 if constructor_incremental is zero. Change error about initializers
2940 not computable at load time into pedwarn.
2941 (output_pending_init_elements): Compare bit positions, not
2942 FIELD_DECLs to take into account zero-sized fields.
2943 (process_init_element): Use constructor_range_stack to fill all
2944 ranges in the designator lists from current level up.
2945 * extend.texi: Update documentation for labeled elements.
2947 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
2949 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
2950 to function usage for arguments passed by reference. Optimize
2951 callee-copied arguments.
2952 * regmove.c (replace_in_call_usage): New function.
2953 (fixup_match_1): Call it.
2954 * cse.c (cse_insn): Canonicalize registers in function usage.
2955 * reload1.c (replace_pseudos_in_call_usage): New function.
2958 * Makefile.in: Reverted yesterday's wrong patch. Installed the
2961 2001-01-12 Jakub Jelinek <jakub@redhat.com>
2963 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
2966 2001-01-12 DJ Delorie <dj@redhat.com>
2968 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
2969 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
2972 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
2974 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
2975 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
2976 -std options alongside references to -ansi. Update some
2977 documentation for C99.
2978 * cpp.1: Regenerate.
2980 2001-01-12 Andreas Jaeger <aj@suse.de>
2982 * haifa-sched.c (restore_line_notes): Remove argument block B
2984 * sched-ebb.c (schedule_ebb): Change caller.
2985 * sched-rgn.c (schedule_region): Likewise.
2986 * sched-int.h (restore_line_notes): Adjust prototype.
2988 * loop.h: Remove wrong declaration of doloop_condition_get.
2990 2001-01-12 Phil Edwards <pme@sources.redhat.com>
2992 * extend.texi: Move C++-extension-related node from the C section
2993 into the C++ section.
2995 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
2997 * extend.texi: Refer to an array of pointers to functions instead
2998 of one of functions.
3000 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
3001 Jan Hubicka <jh@suse.cz>
3003 * combine.c (reversed_comparison): Fix typo in last patch.
3005 (combine_reversed_comparison_code): Make static to follow
3006 prototype declaration.
3008 2001-01-12 Phil Edwards <pme@sources.redhat.com>
3010 * install.texi: Remove misplaced duplicate entry.
3012 2001-01-11 Ulrich Drepper <drepper@redhat.com>
3014 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
3016 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
3018 * final.c: (leaf_function_p): Fix typo.
3020 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
3022 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
3023 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
3025 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
3026 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
3027 mmap_anon, and valloc is available.
3028 * ggc-page.c: Restructure ifdef logic to match new autoconf
3029 spec. Don't throw away the test page in init_ggc.
3031 * configure, config.in: Regenerate.
3033 2001-01-12 Michael Hayes <mhayes@redhat.com>
3035 * loop.h (total_biv_increment): Constify iv_class pointer.
3036 (struct induction): Replace `mem_mode' with `mem' rtx.
3037 * unroll.c (total_biv_increment): Constify iv_class pointer.
3038 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
3039 (find_mem_givs, combine_givs_p): Likewise.
3040 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
3042 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
3044 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
3046 (__gthread_getspecific): Ditto.
3048 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
3050 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
3051 put_condition_code): Convert fp comparison codes to integer
3053 (ix86_expand_fp_compare): Postnote the fp comparison code converison
3056 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
3057 * i386-protos.h (no_comparison_operator): Kill.
3059 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
3061 * combine.c (REVERSIBLE_CC_MODE): Remove.
3062 (reversible_comparison_p): Remove.
3063 (combine_reversed_comparison_code): New.
3064 (reversed_comparison): New.
3065 (combine_simplify_rtx): Use
3066 combine_reversed_comparison_code/reversed_comparison instead
3067 of reversible_comparison_p.
3068 (simplify_if_then_else): Likewise.
3069 (simplify_set): Likewise.
3070 (simplify_logical): Likewise.
3071 (if_then_else_cond): Likewise.
3072 (known_cond): Likewise.
3073 (simplify_comparison): Likewise.
3075 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
3077 * builtins.c (std_expand_builtin_va_start): Handle varargs when
3078 sizeof (int) is larger than sizeof(__word__).
3080 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
3082 * cppinit.c (do_includes): Fix typo.
3084 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3086 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
3087 in S_REGS does not occur because not all sources are possible
3088 when a S_REGS is a destination (sometimes needs a clobber).
3089 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
3090 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
3091 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
3092 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
3093 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
3094 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
3095 (lshrdi_const1, lshrsi3_const16): Likewise.
3096 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
3097 (*movhi_68hc12, *movqi_68hc12): Likewise.
3098 (movstrictqi): Make sure reloading in D_REGS as a destination
3101 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
3103 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
3105 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
3107 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
3108 -D, -U and -A, and don't initialize the builtins.
3109 (do_includes): Error if -include or -imacros with -fpreprocessed.
3110 * cppmain.c (cb_define, cb_undef): Unconditionally process
3112 * tradcpp.c (main): Fix typo.
3114 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
3116 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
3117 (read_name_map): Use IS_ABSOLUTE_PATH.
3118 * tradcpp.c (get_filename): Likewise.
3120 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3122 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
3123 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
3124 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
3125 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
3126 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
3127 (cmphi_z_used): Don't use '@' for the output.
3128 (tstqi_z_used): Likewise.
3129 (cmpqi_z_used): Likewise.
3130 (one_cmplsi2): Likewise.
3132 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
3134 * config/sh/sh.c (barrier_align): Recognize branch around far
3135 branch and redundant insn.
3137 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
3139 * invoke.texi: Restore documentation of the drivers' switches -MD
3142 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
3144 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
3146 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
3147 check-objc//%): Support parallel testing of multilibs.
3148 (TESTSUITEDIR): Set to testsuite by default, but override for
3150 (check-gcc, check-g++, check-g77, check-objc): Enter
3153 2001-01-11 Bernd Schmidt <bernds@redhat.com>
3155 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
3156 * sched-deps.c (deps_may_trap_p): Likewise.
3157 * basic-block.h: Remove a comment.
3158 * flow.c (PROP_POSTRELOAD): Remove.
3159 (update_life_info): Don't add it to prop_flags.
3160 (mark_set_1): Lose the code that was enabled by it.
3162 2001-01-11 Michael Hayes <mhayes@redhat.com>
3164 * flow.c (flow_call_edges_add): New.
3165 * basic_block.h (flow_call_edges_add): New.
3167 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
3169 * reload1.c (move2add_note_store): Update reg_set_luid even if
3170 base reg remains the same.
3172 2001-01-10 Nick Clifton <nickc@redhat.com>
3174 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
3175 machine_function structure to zero.
3176 Add prototypes for machine_status functions.
3178 2001-01-10 Mark Mitchell <mark@codesourcery.com>
3180 * c-common.h (CTI_VOID_LIST): Remove.
3181 (void_list_node): Likewise.
3182 * tree.h (TI_VOID_LIST_NODE): New enumeral.
3183 (void_list_node): New macro.
3184 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
3185 * config/i386/i386.c (ix86_init_builtins): Likewise.
3186 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
3188 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
3190 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
3191 * cppinit.c (cpp_start_read): Update comment, remove unneeded
3193 * tradcpp.c: Include mkdeps.h.
3194 (deps, print_deps_phony_targets, deps_append, output_deps,
3195 init_dependency_output, output_deps): New.
3196 (deps_buffer, deps_allocated_size, deps_size, deps_column,
3197 deps_output): Delete.
3198 (print_deps_missing_files): Rename deps_missing_files.
3199 (inhibit_output): Make global.
3200 (main): Delete inhibit_output, deps_stream, deps_target.
3201 Use mkdeps functionality in the same way as cpplib. Remove
3202 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
3203 -M and -MM. Remove old handling of deps via deps_out, and
3204 old reading of environment variables.
3205 (get_filename): Update to use deps_add_dep.
3207 2001-01-10 Mark Mitchell <mark@codesourcery.com>
3209 * output.h (make_function_rtl): Remove prototype.
3210 (make_decl_rtl): Likewise.
3211 * varasm.c (make_function_rtl): Remove.
3212 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
3213 than from a third parameter.
3214 * tree.h (make_decl_rtl): Remove last parameter.
3215 * c-decl.c (builtin_function): Remove last argument in call to
3216 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
3217 (start_function): Likewise.
3218 * except.c (call_get_eh_context): Likewise.
3219 * expr.c (emit_block_move): Likewise.
3220 (clear_storage): Likewise.
3221 * profile.c (output_func_start_profiler): Likewise.
3222 * toplev.c (rest_of_decl_compilation): Likewise.
3223 * objc/objc-act.c (create_builtin_decl): Likewise.
3224 (synth_module_prologue): Likewise.
3225 (generate_static_reference): Likewise.
3226 (build_selector_reference_decl): Likewise.
3227 (build_class_reference_decl): Likewise.
3228 (build_objc_string_decl): Likewise.
3229 (build_protocol_reference): Likewise.
3231 2001-01-10 Richard Henderson <rth@redhat.com>
3233 * hwint.h: Revert yesterday's change.
3235 2001-01-10 Nick Clifton <nickc@redhat.com>
3237 * function.h (save_machine_status): Delete.
3238 (restore_machine_status): Delete.
3239 Amend comment describing {init|mark|free}_machine_status.
3241 * function.c (save_machine_status): Delete.
3242 (restore_machine_status): Delete.
3243 Amend comment describing {init|mark|free}_machine_status.
3244 (push_function_context_to): Remove invocation of
3245 save_machine_status.
3246 (pop_function_context_from): Remove invocation of
3247 restore_machine_status.
3249 * emit-rtl.c (init_emit_once): Amend comment describing
3250 {init|mark|free}_machine_status.
3252 * tm.texi (Per-Function Data): New node. Describe the
3253 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
3256 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
3258 * cppinit.c (OPT_g): Remove.
3259 (cpp_handle_option): Update for removed -g3.
3260 (print_help): Update.
3261 * cpplib.h (struct cpp_options): Remove debug_output.
3262 * cppmain.c (setup_callbacks, cb_define): Update.
3263 * gcc.c (cpp_options): Translate -g3 to -dD.
3265 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
3267 * config/i960/i960.md: Change modifier to + on the zero_extract
3268 pattern after the (rotate -2 reg) canonicalization pattern.
3270 2001-01-10 Richard Henderson <rth@redhat.com>
3272 * config/alpha/alpha.c (alpha_free_machine_status): New.
3273 (override_options): Install it.
3274 (alpha_mark_machine_status): Verify machine non-null.
3275 * config/i386/i386.c (ix86_free_machine_status): New.
3276 (override_options): Install it.
3277 (ix86_init_machine_status): Use xcalloc.
3278 (ix86_mark_machine_status): Verify machine non-null.
3279 * config/ia64/ia64.c (ia64_free_machine_status): New.
3280 (ia64_override_options): Install it.
3281 (ia64_mark_machine_status): Verify machine non-null.
3283 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
3285 * function.c (instantiate_virtual_regs): Instantiate virtual
3286 registers found in CALL_INSN_FUNCTION_USAGE.
3288 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
3290 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
3291 equivalent to -ansi in disabling -Di386.
3293 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
3295 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
3297 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
3299 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
3301 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
3303 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
3305 * invoke.texi: Document that -fcond-mismatch isn't supported for
3308 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
3310 * gcc.texi: Define macro gcctabopt.
3311 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
3312 @command, @env and @option in some places where appropriate. Use
3313 @gcctabopt where appropriate. Put URLs and email addresses inside
3316 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
3318 * gcc.c (cpp_options): Set MD file name from output
3319 filename, if specified.
3320 (suffix_subst): New static variable.
3321 (do_spec): Clear it.
3322 (do_spec_1, case '.'): Handle new `%.suffix' spec.
3324 (give_switch): Handle suffix_subst.
3326 2001-01-10 Phil Edwards <pme@sources.redhat.com>
3328 * invoke.texi: Fix another typo.
3330 2001-01-10 Phil Edwards <pme@sources.redhat.com>
3332 * invoke.texi: Fix typo.
3334 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
3336 * c-lang.c (lang_hooks): Update.
3337 (lang_decode_option): Remove.
3338 (lang_init_options): Rename c_init_options.
3339 * toplev.c (main): Use lang_hooks for lang_init_options
3340 and lang_decode_option.
3341 * toplev.h (lang_hooks): Add 2 new hooks.
3342 * tree.h: Remove lang_init_options and lang_decode_option.
3343 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
3344 * cp/decl2.c: Similarly.
3345 * cp/lex.c (lang_init_options): Rename cxx_init_options.
3346 (lang_hooks): Update.
3347 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
3349 (lang_init_options): Rename ffe_init_options.
3350 (lang_hooks): Update.
3351 (lang_decode_option): Remove.
3352 * java/lang.c (lang_init_options): Rename java_init_options.
3353 (lang_decode_option): Rename java_decode_option.
3354 (lang_hooks): Update.
3355 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
3356 (lang_decode_option): Rename objc_decode_option.
3357 (lang_hooks): Update.
3359 2001-01-09 Nick Clifton <nickc@redhat.com>
3361 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
3362 (d30v_return_addr_rtx): Delete.
3363 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
3364 cfun->machine structure.
3365 (struct machine_function): Move to d30v.h
3366 (d30v_save_machine_status): Delete.
3367 (d30v_restore_machine_status): Delete.
3368 (d30v_init_machine_status): New Function.
3369 (d30v_mark_machine_status): New Function.
3370 (d30v_free_machine_status): New Function.
3371 (d30v_init_expanders): Use new functions.
3372 (d30v_return_addr): Use ra_rtx field in cfun->machine.
3373 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
3374 d30v_return_addr_rtx.
3376 * config/d30v/d30v.h (struct_machine): Move here.
3377 Add eh_epilogue_sp_ofs field.
3379 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
3380 field in cfun->machine structure.
3382 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
3384 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
3385 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
3386 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
3388 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
3390 * objc/lang-options.h: Remove bogus reference to
3393 2001-01-09 Kazu Hirata <kazu@hxi.com>
3395 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
3398 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
3400 * reload.c (find_reloads_address): Check for eliminable registers
3401 when substituting a constant expression for a pseudo.
3403 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
3405 * c-common.c (enum format_type): Add format_type_error.
3406 (decode_format_type): New function.
3407 (decl_attributes): Use it.
3408 (format_kind_info): Adjust comment.
3410 2001-01-09 David O'Brien <obrien@BSDi.com>
3412 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
3413 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
3415 * config/i386/gnu.h: Don't include required platform specific .h files,
3416 tm.h will do it instead.
3417 * config/i386/i386elf.h: Likewise.
3418 * config/i386/linux.h: Likewise.
3419 * config/i386/moss.h: Likewise.
3420 * config/mips/gnu.h: Likewise.
3422 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3424 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
3425 (rs6000-ibm-aix3.[01]*): Likewise.
3426 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
3427 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
3428 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
3429 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
3430 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
3431 (powerpc-*-eabiaix*): Likewise.
3432 (powerpc-*-eabisim*): Likewise.
3433 (powerpc-*-elf*): Likewise.
3434 (powerpc-*-eabi*): Likewise.
3435 (powerpc-*-rtems*): Likewise.
3436 (powerpc-*-linux*libc1): Likewise.
3437 (powerpc-*-linux*): Likewise.
3438 (powerpc-wrs-vxworks*): Likewise.
3439 (powerpcle-wrs-vxworks*): Likewise.
3440 (powerpcle-*-sysv*): Likewise.
3441 (powerpcle-*-elf*): Likewise.
3442 (powerpcle-*-eabisim*): Likewise.
3443 (powerpcle-*-eabi*): Likewise.
3444 (powerpcle-*-solaris2*): Likewise.
3445 * config/rs6000/aix31.h: Delete includes.
3446 * config/rs6000/aix3newas.h: Likewise.
3447 * config/rs6000/aix41.h: Likewise.
3448 * config/rs6000/aix43.h: Likewise.
3449 * config/rs6000/beos.h: Likewise.
3450 * config/rs6000/rtems.h: Likewise.
3451 * config/rs6000/sysv4.h: Likewise.
3453 2001-01-09 Kazu Hirata <kazu@hxi.com>
3455 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
3456 Change an argument mode of machine_mode to shift_mode of
3457 shift_mode. Remove an extra error check.
3458 (emit_a_shift): Adopt to the new calling prototype of
3460 (function_prologue): Fix code for a monitor
3461 function. Support H8/S.
3462 (function_epilogue): Do not output pop for a monitor function.
3464 2001-01-09 Nick Clifton <nickc@redhat.com>
3466 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
3467 (setup_incoming_varargs): Use sysv_varargs_p field of the
3468 cfun->machine structure.
3469 (struct machine_function): Move to rs6000.h
3470 (rs6000_save_machine_status): Delete.
3471 (rs6000_restore_machine_status): Delete.
3472 (rs6000_init_machine_status): New Function.
3473 (rs6000_free_machine_status): New Function.
3474 (rs6000_init_expanders): Use new functions.
3476 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
3478 (struct machine_function): Move here.
3480 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
3481 sysv_varargs_p field of the cfun->machine structure.
3483 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
3485 (rs6000_restore_machine_status): Remove prototype.
3487 2001-01-09 Richard Henderson <rth@redhat.com>
3489 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
3490 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
3491 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
3492 (sched_analyze_2, sched_analyze_insn): Likewise.
3493 (sched_analyze, init_deps): Likewise.
3494 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
3495 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
3496 (compute_block_backward_dependences): Update propagate_deps call.
3498 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
3500 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
3502 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
3504 * cppinit.c (OPT_MD, OPT_MMD): Restore.
3505 (cpp_handle_option): Handle them.
3506 (cpp_post_options): Ensure one of -M or -MM is specified with
3507 any other -M? option.
3508 (init_dependency_output): Suppress output with -MG.
3510 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
3513 * invoke.texi: Update.
3515 2001-01-09 Bernd Schmidt <bernds@redhat.com>
3517 * sh.md (reload_outsf): Generate recognizable patterns for
3520 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
3522 * c-lang.c (lang_hooks): Update.
3523 (lang_init): Rename c_init.
3524 (lang_finish): Remove.
3525 * toplev.c (compile_file): Use lang_hooks for lang_init ()
3527 * toplev.h (lang_hooks): Add init () and finish ().
3528 * tree.h (lang_init, lang_finish): Remove.
3529 * cp/tree.h (lang_init, lang_finish): Remove.
3530 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
3531 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
3533 (lang_init, lang_finish): Remove.
3534 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
3535 (lang_hooks): Update.
3536 * java/lang.c (lang_init): Rename java_init.
3537 (lang_finish): Remove.
3538 (lang_hooks): Update.
3539 * objc/objc-act.c (lang_init): Rename objc_init.
3540 (lang_finish): Remove.
3541 (lang_hoooks): Update.
3543 20001-01-09 Graham Stott <grahams@redhat.com>
3545 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
3546 after `ptr` is initialised.
3548 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
3550 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
3551 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
3552 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
3553 stack adjusts, instead of r3.
3555 2001-01-09 Michael Hayes <mhayes@redhat.com>
3557 * flow.c (flow_loop_scan): Break out of ...
3558 (flow_loops_find) ... here.
3559 * basic-block.h (flow_loop_scan): New.
3560 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
3561 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
3563 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
3565 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
3567 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
3568 realloc()ing macro_buffer.
3570 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
3571 if it's wider than long and the target's long is wider than the
3574 2001-01-09 Mark Mitchell <mark@codesourcery.com>
3576 Remove support for using UWIN as a host machine.
3577 * configure.in: Issue an error message.
3578 * configure: Regenerated.
3579 * config.gcc: Remove xm_* UWIN configury.
3580 * config/i386/xm-uwin.h: Remove.
3582 2001-01-08 Nick Clifton <nickc@redhat.com>
3584 * config/v850/v850.c (ra_rtx): Delete.
3585 (v850_save_machine_status): Delete.
3586 (v850_restore_machine_status): Delete.
3587 (v850_init_machine_status): New function.
3588 (v850_mark_machine_status): New function.
3589 (v850_free_machine_status): New function.
3590 (v850_return_addr): Use ra_rtx field in machine structure.
3591 (v850_init_expanders): Use new functions.
3593 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
3594 * config/v850/v850.c: Change arguments to v850_output+* functions
3595 to take a const char *, to avoid compile time warning.
3596 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
3597 (USER_LABEL_PREFIX): Redefine.
3599 2000-01-08 Jim Wilson <wilson@redhat.com>
3601 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
3602 1 to unsigned HOST_WIDE_INT before left shift.
3604 2001-01-08 Nick Clifton <nickc@redhat.com>
3606 * config/arm/arm.c (arm_mark_machine_status): Check to see if
3607 the machine structure has been allocated.
3608 (arm_free_machine_status): New function: Free the machine
3609 specific function structure.
3611 2001-01-08 Richard Henderson <rth@redhat.com>
3613 * jump.c (simplejump_p): Revert last change.
3615 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
3617 * cppinit.c (init): Rename init_library.
3618 (cpp_create_reader): Update.
3619 * gcc.c (cpp_options): If -o given, use it as the target of
3622 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
3624 * arm.c (arm_arch5e): New variable.
3625 (all_cores): XScale is a 5TE device.
3626 (arm_override_options): Set arm_arch5e.
3627 (arm_init_builtins): __builtin_prefetch is in arch5e.
3628 * arm.h (arm_arch5e): Declare it.
3630 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
3632 * arm.md (define_constants): Add defines for UNSPEC and
3633 UNSPEC_VOLATILE insns. Update all users.
3634 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
3635 * arm.c (multi_register_push, note_invalid_constants)
3636 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
3637 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
3638 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
3640 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
3642 * jump.c (jump_optimize_1): Use reversed_comparison_code
3643 instead of can_reverse_comparison_p.
3644 (jump_back_p): Likewise.
3645 (invert_exp_1): Likewise.
3646 (thread_jumps): Likewise.
3647 * simplify-rtx.c (simplify_unary_operation): Likewise.
3648 (simplify_ternary_operation): Likewise.
3649 * cse.c (find_comparison_args): Convert to use
3650 can_reverse_comparison_p.
3651 (record_jump_equiv): Likewise.
3653 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
3655 * arm.h (HARD_REGNO_RENAME_OK): Delete.
3656 (EPILOGUE_USES): Define.
3657 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
3658 automatically stack the LR if it isn't live.
3660 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
3662 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
3665 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
3667 * ggc-page.c (max_alignment): New structure.
3668 (MAX_ALIGNMENT): New macro.
3669 (init_ggc): Use it to round up the sizes in the
3670 extra_order_size_table.
3672 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3674 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
3677 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3679 * builtins.def (BUILT_IN_FPRINTF): New entry.
3681 * c-common.c (c_expand_builtin_fprintf): New function.
3682 (init_function_format_info): Handle __builtin_fprintf.
3683 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
3684 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
3686 * c-decl.c (duplicate_decls): Adjust comment.
3688 * extend.texi (fprintf): Document new builtin.
3690 2001-01-07 Richard Henderson <rth@redhat.com>
3692 * jump.c (simplejump_p): Recognize any single_set jump
3695 2001-01-07 Richard Henderson <rth@redhat.com>
3697 * configure.in (slibdir): Accept an --with-slibdir option.
3698 Use "test" not "[" in configure. Default to $(libdir).
3700 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
3702 * config/t-aix43 (SHLIB_INSTALL): Likewise.
3703 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
3704 (SHLIB_LINK): Create links for the soname.
3705 * config/mips/t-iris6: Likewise.
3706 * config/sparc/t-slibgcc: Likewise.
3707 * config/sparc/t-slibgcc-sld: Likewise.
3709 2001-01-07 Jakub Jelinek <jakub@redhat.com>
3711 * config/i386/i386.c (constant_call_address_operand): Accept
3712 (const (plus (symbol_ref) (const_int))).
3713 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
3714 constant_call_address_operand.
3716 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3718 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
3719 and LONG_LONG_TYPE_SIZE > 32.
3721 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3723 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
3724 the previous change.
3726 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
3728 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
3730 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
3731 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
3732 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
3735 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
3737 * fix-header.c (read_scan_file): s/pfile/scan_in/.
3739 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
3741 * c-lang.c (c_post_options): Call cpp_post_options.
3742 * objc/objc-act.c (objc_post_options): Similarly.
3743 * cppmain.c (main): Similarly.
3744 * fix-header.c (read_scan_file): Similarly.
3745 * cppinit.c (cpp_start_read): Move option consistency checks
3746 to cpp_post_options. Don't call init_dependency_output.
3747 If needed, add default target and main file dependency.
3748 (OPT_MD, OPT_MMD): Remove.
3750 (cpp_handle_option): Update for OPT_* changes.
3751 (cpp_post_options): New.
3752 (init_dependency_output): Command line -MF overrides environment
3753 variables. Don't set default target etc. Suppress output
3754 if dependencies are going to stdout.
3755 (print_help): Update.
3756 * cpplib.h (cpp_post_options): New.
3757 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
3759 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
3761 * jump.c (comparison_dominates_p): Support unordered compares.
3763 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
3765 * simplify-rtx.c (simplify_relational_operation): Always simplify
3766 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
3769 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
3771 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
3772 (nonzero_bits): Likewise.
3773 (simplify_comparison): Likewise.
3774 (num_sign_bit_copies): Likewise; return more sane value depending
3775 on STORE_FLAG_VALUE.
3776 (known_cond): Do not assume EQ to be always true for equivalent
3779 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
3781 * cse.c (fold_rtx): Handle unordered comparisons.
3783 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
3785 * rtlanal.c (set_of_1): New static function.
3786 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
3787 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
3788 reg_set_last_last_regno): Remove.
3789 (set_of): New global function.
3790 (set_of_data): New structure.
3791 (reg_set_p, reg_set_last): Revamp for set_of.
3792 * rtl.h (set_of): New.
3794 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
3796 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
3797 * extend.texi: Document _Exit builtin.
3799 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
3801 * (initialize, initialize_builtins,
3802 initialize_dependency_output, initialize_standard_includes):
3803 Rename s/initialize/init. Update.
3804 (init_dependency_output): Move to after
3805 cpp_handle_options, the correct location temporally at least.
3806 (opt_comp): Move next to init (), its caller. Fix prototype.
3807 (init): Make "initialized" local scope.
3808 (cpp_create_reader): Always call init ().
3809 (cpp_start_read): Update.
3810 (output_deps): New function, broken out of cpp_finish.
3811 (cpp_finish): Break out output_deps.
3813 2001-01-07 Richard Henderson <rth@redhat.com>
3815 * collect2.c (COFF specific stuff): Revert 12-06 patch
3816 to prototype system functions.
3818 2001-01-07 Michael Hayes <mhayes@redhat.com>
3820 * hard-reg-set.h: Add multiple include guard.
3821 * basic-block.h (struct loop): Add `sink' field.
3822 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
3823 (emit_iv_add_mult): Delete.
3824 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
3825 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
3826 (unroll_loop): Remove end_insert_before argument.
3827 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
3828 (maybe_eliminate_biv_1): Likewise.
3829 (emit_iv_add_mult): Delete.
3830 (gen_add_mult, loop_regs_update): New.
3831 (loop_insn_emit_after, loop_insn_emit_before): New.
3832 (loop_insn_sink, loop_insn_sink_or_swim): New.
3833 (emit_iv_add_mult): Delete.
3834 (scan_loop): Set loop->sink.
3835 (loop_givs_reduce): Use loop_insn_sink and its ilk.
3836 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
3837 (maybe_eliminate_biv_1): Likewise.
3838 (maybe_eliminate_biv_1): Add basic block argument.
3839 * unroll.c (unroll_loop): Remove end_insert_before argument.
3840 (find_splittable_regs): Likewise.
3841 (find_splittable_regs): Use loop_insn_sink and its ilk.
3842 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
3844 2001-01-07 Michael Hayes <mhayes@redhat.com>
3846 * loop.h (loop_insn_hoist): New prototype.
3847 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
3848 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
3849 (check_dbra_loop, load_mems): Likewise.
3850 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
3851 (find_splittable_givs): Likewise.
3853 2001-01-07 Michael Hayes <mhayes@redhat.com>
3855 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
3857 2001-01-07 Richard Henderson <rth@redhat.com>
3859 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
3861 2001-01-07 Richard Henderson <rth@redhat.com>
3863 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
3864 NO_SHARED_LIBGCC_MULTILIB as required for the target.
3865 * gcc.c (init_spec): Massage the existing libgcc_spec into a
3866 variant that handles a shared libgcc.
3867 (process_command): Always validate -{static,shared}-libgcc.
3868 (do_spec_1): New 'M' case.
3869 * invoke.text (Link Options): Document -{static,shared}-libgcc.
3871 2001-01-07 Richard Henderson <rth@redhat.com>
3873 * Makefile.in (slibdir): New variable.
3874 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
3875 (installdirs): Create slibdir.
3876 (install-libgcc, install-multilib): Defer to libgcc.mk.
3877 * configure.in (slibdir): Substitute.
3878 * mklibgcc.in (install): New target.
3880 * config/t-linux (SHLIB_LINK): Create links for the soname.
3881 (SHLIB_INSTALL): New.
3882 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
3883 * config/mips/t-iris6 (SHLIB_INSTALL): New.
3884 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
3885 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
3886 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
3888 2001-01-07 Richard Henderson <rth@redhat.com>
3890 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
3891 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
3892 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
3894 2001-01-07 Michael Hayes <mhayes@redhat.com>
3896 * loop.c (count_loop_regs_set): Delete.
3897 (load_mems_and_recount_loop_regs_set): Delete.
3898 (loop_regs_scan): Merge common code from count_loop_regs_set,
3899 scan_loop, and load_mems_and_recount_loop_regs_set.
3900 (scan_loop): Call load_mems directly and loop_regs_scan
3901 again if new registers created.
3903 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
3905 * toplev.c (main): Call the front-end specific post_options
3906 hook if one is given.
3907 * toplev.h (struct_lang_hooks, lang_hooks): New.
3908 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
3909 for the C front end.
3910 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
3911 lang_hooks for the C++ front end.
3912 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
3913 lang_hooks for the ObjC front end.
3914 * f/com.c (lang_hooks): Hooks for the Fortran front end.
3915 * java/lang.c (lang_hooks): Hooks for the Java front end.
3917 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
3919 * c-lex.c (init_c_lex): Request #define / #undef callbacks
3920 for verbose DWARF[2] debugging.
3921 (cb_define, cb_undef): The new callbacks.
3922 * toplev.h (debug_define, debug_undef): Make const correct.
3923 * toplev.c (debug_define, debug_undef): Similarly. Do not
3924 perform the verbosity tests here anymore.
3926 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
3928 * reload.c (subst_reloads): Take INSN argument. When
3929 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
3930 * reload.h (subst_reloads): Adjust prototype.
3931 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
3932 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
3933 present in JUMP_INSNs and copy them to JUMP_LABEL.
3934 * flow.c (find_label_refs, find_basic_blocks_1): Skip
3935 JUMP_INSNs and insns with REG_LABELs that are followed by
3936 JUMP_INSNs with the same REG_LABEL.
3937 * sched-rgn.c (is_cfg_nonregular): Likewise.
3938 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
3940 * unroll.c (unroll_loop): Look for REG_LABEL notes in
3942 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
3944 2001-01-06 Richard Henderson <rth@redhat.com>
3946 * loop.c (scan_loop): Use xcalloc for the regs array.
3947 (load_mems_and_recount_loop_regs_set): Zero the new memory
3948 received from xrealloc.
3950 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
3952 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
3954 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
3956 * integrate.c (copy_rtx_and_substitute): When copying
3957 an ignored return value, strip REG_FUNCTION_VALUE_P.
3959 2001-01-06 Michael Hayes <mhayes@redhat.com>
3961 * loop.c (debug_biv, debug_giv): New.
3962 (loop_biv_dump): Break out from ...
3963 (record_biv): ... here.
3964 (loop_giv_dump): Break out from ...
3965 (record_giv): ... here.
3966 (loop_bivs_check): Use print_simple_rtl.
3967 * unroll.c (loop_iterations): Use print_simple_rtl.
3969 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
3971 * pa.md (return, return_internal): Modify patterns to prevent regrename
3972 mucking with the return pointer.
3974 2001-01-05 Richard Henderson <rth@redhat.com>
3976 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
3978 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
3980 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
3981 version supplied by Matteo Frigo.
3983 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
3985 * cpp.texi: Update for -MQ.
3986 * cppinit.c (cpp_create_reader): Always create pfile->deps.
3987 (cpp_cleanup): Always free pfile->deps.
3988 (initialize_dependency_output): Don't create pfile->deps.
3989 (cpp_handle_option): Similarly.
3991 * gcc.c (cpp_options): Handle -MQ.
3992 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
3993 * mkdeps.c (base_name): Remove.
3994 (deps_init): Don't allocate vector space until it's needed.
3995 (deps_free): Only free vectors if allocated.
3996 (deps_add_target, deps_add_dep): Update for initial allocation.
3997 (deps_add_default_target): Don't strip to the base_name.
3999 2001-01-05 DJ Delorie <dj@redhat.com>
4001 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
4002 (INIT_EXPANDERS): Define.
4004 * config/v850/v850.c (struct machine_function): Define.
4005 (v850_save_machine_status): New function.
4006 (v850_restore_machine_status): New function.
4007 (v850_return_addr): New function.
4008 (v850_init_expanders): New function.
4010 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
4011 and v850_init_expanders.
4013 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
4015 * cpplib.h (struct cpp_reader): Add help_only field.
4016 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
4017 (cpp_handle_option): Set pfile->help_only if we see -h,
4018 --help, -target-help, or --version. Print version string but
4019 do not set help_only if we see -v or -version. Make text
4020 printed by -v match that printed by (-)-version.
4022 * cppmain.c (main): Exit after option parsing if
4023 pfile->help_only is true.
4025 * toplev.c (independent_decode_option): Call print_version,
4026 then exit, if we see --version (but not -version).
4027 (print_version): Split lengthy message into two lines.
4029 2001-01-05 Nick Clifton <nickc@redhat.com>
4031 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
4032 temporary string for initialisation before calling ggc_alloc_string.
4034 2001-01-06 Michael Hayes <mhayes@redhat.com>
4036 * rtl.h (print_simple_rtl): New.
4037 * print-rtl.c (print_simple_rtl): New.
4039 (print_rtx): Disable printing of flags and modes, etc.,
4040 if `flag_simple` nonzero.
4042 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
4044 * function.c (fixup_var_refs): Use push_to_full_sequence where
4047 2001-01-05 Michael Meissner <meissner@redhat.com>
4049 * flags.h (flag_reorder_blocks): Add declaration.
4050 (flag_rename_block): Ditto.
4052 2001-01-05 DJ Delorie <dj@redhat.com>
4054 * function.c (reorder_blocks): Make sure the flags are all reset
4055 before using them to mark blocks, else a second invocation will
4056 corrupt the block chain.
4057 (reorder_blocks_0): New, resets the flags.
4059 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
4061 * cse.c (find_comparison_args): Stop if the argument is known to
4064 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
4066 * config/sh/sh.md (movdf): When splitting load into pair of
4067 registers, don't clobber the register used in the address too
4070 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
4072 * varasm.c (mark_constant_pool): Improve initial comments.
4073 (mark_constants): Move marking of constants to mark_constant.
4074 (mark_constant): New function to recursively mark all constants
4075 referred to by a constant.
4077 2001-01-05 Catherine Moore <clm@redhat.com>
4079 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
4081 2001-01-05 Phil Edwards <pme@sources.redhat.com>
4083 * cp/lang-options.h: Bring comment in line with reality.
4084 * f/lang-options.h: Likewise.
4085 * java/lang-options.h: Likewise.
4086 * objc/lang-options.h: Likewise.
4087 * ch/lang-options.h: Likewise.
4088 * f/g77.texi: And update the manual.
4090 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
4091 Denis Chertykov <denisc@overta.ru>
4093 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
4094 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
4095 * config/avr/avr.md (all peepholes that request a scratch register):
4096 Call it, FAIL the peephole if not safe (in interrupt functions).
4098 2001-01-05 Mark Mitchell <mark@codesourcery.com>
4100 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
4102 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
4104 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
4106 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
4107 BUILT_IN_CREAL and BUILT_IN_CIMAG.
4108 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
4109 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
4110 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
4112 * extend.texi: Document these builtins.
4114 2001-01-05 Daniel Berlin <dberlin@redhat.com>
4116 * c-common.c (lang_get_alias_set): Say we know nothing of
4117 VECTOR_TYPE aliasing.
4119 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
4121 2001-01-05 Bruce Korb <bkorb@gnu.org>
4123 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
4124 their x* equivalent versions for atexit-less systems
4125 * fixinc/fixincl.c(main): do not return from main() on atexit-less
4126 systems (or any other system any more).
4128 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
4130 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
4131 output operands. Use arm_hard_register_operand for operand 4.
4132 (stmsi_postinc): Similarly.
4133 (ldmsi): Use arm_hard_register_operand for opernand 2.
4135 * arm.c (arm_hard_register_operand): New function.
4136 * arm-protos.h (arm_hard_register_operand): Prototype it.
4138 * arm.h (HARD_REGNO_RENAME_OK): Define.
4140 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
4142 * simplify-rtx.c (cfc_args): add "unordered" field.
4143 (check_fold_consts): Set unordered field.
4144 (simplify_relational_operation): Simplify the unordered
4147 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
4150 * emit-rtl.c (try_split): Fix code to mark labels.
4151 * jump.c (mark_jump_label): Make global.
4152 * rtl.h (mark_jump_label): Declare.
4154 * predict.c (estimate_probability): Handle unordred comparisons.
4156 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
4158 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
4159 * cppinit.c (initialize_dependency_output): Update.
4160 (cpp_finish): Output dummy targets for -MP.
4162 (cpp_handle_option): Handle -MP. Don't quote -MT options.
4163 * cpplib.h (struct cpp_options): Add deps_phony_targets.
4164 * gcc.c (cpp_options): Update to handle -MP.
4165 * mkdeps.c (deps_add_target, deps_add_default_target): Update
4166 to quote only the default target.
4167 (deps_phony_targets): Insert a preceding newline. Rename from
4168 deps_dummy_targets for consistency.
4171 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
4173 * calls.c (emit_library_call_value_1): Support
4174 INIT_CUMULATIVE_LIBCALL_ARGS.
4175 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
4177 2001-01-04 Richard Henderson <rth@redhat.com>
4179 * c-decl.c (finish_struct): Detect flexible array members
4180 used in an inappropriate context.
4181 * c-typeck.c (really_start_incremental_init): Special case
4182 constructor_max_index for zero length arrays.
4183 (pop_init_level): Allow initialization of flexible array
4184 members. Deprecate initialization of zero length arrays.
4185 Don't issue missing initializer warning for flexible array
4186 members or zero length arrays.
4187 (process_init_element): Don't dereference null DECL_SIZE.
4188 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
4189 Don't abort for empty constructors. Use size_binop
4190 (output_constructor): Add commentary regarding zero length
4191 array futures. Abort if we try to initialize an array of
4192 unspecified length with a non-empty constructor in the middle
4195 * extend.texi (Zero Length): Update and clarify documentation
4196 on static initialization.
4198 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4200 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
4201 with more than 32767 words of local storage.
4203 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4205 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
4206 for 'abs', 'labs', and 'fabs'.
4207 (c4x_expand_builtin): Likewise.
4208 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
4210 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
4212 * config/sh/sh.md (prget, prset): New insn types.
4213 (return delay slot): Dont' allow prset.
4214 (call, sfunc delay slot): Don't allow prget.
4215 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
4216 for prset and prget.
4218 2001-01-05 Michael Hayes <mhayes@redhat.com>
4220 * loop.h (struct loop_reg): New.
4221 (struct loop_regs): Change to use array of `struct loop_reg'.
4222 * loop.c: Replace assortment of varrays with single regs array.
4223 (count_one_set): Delete may_not_move array argument
4224 and use regs array instead. All caller's changed.
4225 (count_loop_regs_set): Delete may_not_move and single_usage
4226 arguments and use regs array instead. All caller's changed.
4227 (find_single_use_in_loop): Replace usage array argument with pointer
4228 to regs structure. All caller's changed.
4229 (loop_optimize): Delete `moved_once' array.
4231 2001-01-05 Michael Hayes <mhayes@redhat.com>
4233 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
4234 Use it instead of loop_info->has_call for scanning loop mems.
4235 (check_dbra_loop): Replace loop_info->has_call test with
4236 loop_info->has_nonconst_call.
4238 2000-01-04 Matthew Hiller <hiller@redhat.com>
4240 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
4243 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
4245 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
4246 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
4248 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
4250 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
4251 (flag_short_double, flag_short_wchar): Define.
4252 (c_common_nodes_and_builtins): Create many tree nodes shared
4253 between C and C++ here instead of in cp/decl.c and ...
4254 * c-decl.c (init_decl_processing): ... here.
4255 (SIZE_TYPE, WCHAR_TYPE): Don't define.
4256 (flag_short_double, flag_short_wchar): Don't define.
4257 (record_builtin_type): New function.
4258 (build_void_list_node): New function.
4259 * c-common.h (flag_short_double, flag_short_wchar,
4260 record_builtin_type, build_void_list_node): Declare.
4262 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
4264 * integrate.c (expand_inline_function): Don't put a virtual
4265 register into the reg map.
4267 * function.c (fixup_var_refs_1): If force_operand didn't put
4268 the address into the target, move it there.
4270 2001-01-04 Mark Mitchell <mark@codesourcery.com>
4272 Special-case tree_decl/tree_list allocations.
4273 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
4274 (OBJECT_SIZE): New macro.
4275 (NUM_EXTRA_ORDER): Likewise.
4276 (extra_order_size_table): New variable.
4277 (NUM_ORDERS): New macro.
4278 (objects_per_page_table): New variable.
4279 (object_size_table): New variable.
4280 (G.pages): Use NUM_ORDERS to bound the array.
4281 (G.page_tails): Likewise.
4282 (DIV_ROUND_UP): Remove.
4283 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
4284 (alloc_page): Use OBJECT_SIZE.
4285 (size_lookup): Don't make it const.
4286 (ggc_alloc): Use OBJECT_SIZE.
4287 (ggc_set_mark): Likewise.
4288 (ggc_get_size): Likewise.
4289 (init_ggc): Set up the object_size_table, objects_per_page_table,
4290 and adjust size_lookup.
4291 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
4292 (ggc_pop_context): Use NUM_ORDERS.
4293 (clear_marks): Likewise.
4294 (sweep_pages): Likewise.
4295 (poison_pages): Likewise.
4296 (ggc_print_statistics): Use OBJECT_SIZE.
4298 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4300 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
4301 Only call array_size_for_constructor if last field and array type
4302 with no upper bound.
4304 2001-01-04 Philip Blundell <philb@gnu.org>
4306 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
4307 from bit 31 downwards, if this requires no more insns.
4308 (count_insns_for_constant): New helper function for above.
4310 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
4312 * gencodes.c (output_predicate_decls): Remove empty initializer.
4314 2001-01-04 Mark Mitchell <mark@codesourcery.com>
4316 * tree.c (copy_node): Remove documentation about obstacks.
4317 (buidl1): Check that nobody tries to build 2-argument nodes this
4320 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4322 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
4325 * gencodes.c (output_predicate_decls): Fill empty initializer
4328 2001-01-04 Jakub Jelinek <jakub@redhat.com>
4330 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
4331 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
4333 (do_include): Handle missing headers like cpp0.
4334 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
4335 paths with first include pathname. Don't strcat to uninitialized
4338 2001-01-04 Bernd Schmidt <bernds@redhat.com>
4340 * regrename.c (regrename_optimize): Don't rename from frame pointer
4341 if frame_pointer_needed.
4342 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
4343 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
4344 (ia64_reorg): Use it instead of scheduling if ! optimize.
4345 (errata_emit_nops): Properly call asm_noperands.
4346 (ia64_sched_reorder): Finish cycle if we see an asm.
4347 (ia64_variable_issue): Clear scheduling state after asms.
4349 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
4351 * cpp.texi: Update for -MT.
4352 * cppinit.c (initialize_dependency_output): Add a default
4353 target if none has been given already.
4354 (no_tgt, OPT_MT): New.
4355 (cpp_handle_option): Handle -MT. Update -M etc.
4356 * cpplib.h (struct cpp_options): Remove deps_target.
4357 * gcc.c (cpp_options): Handle -MT.
4358 * mkdeps.c (struct deps): Move from mkdeps.h.
4359 (deps_calc_target): Rename deps_add_default_target. Add a
4360 default target if none has been specified already.
4361 * mkdeps.h (struct deps): Move to mkdeps.c.
4362 (deps_calc_target): Rename deps_add_default_target.
4364 2000-01-03 Richard Henderson <rth@redhat.com>
4366 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
4368 * c-typeck.c (push_init_level): Move checks for flexible array
4369 members and zero length arrays ...
4370 (pop_init_level): ... here. Silently discard empty initializations.
4372 * varasm.c (output_constructor): Update for sizeof change to
4375 * extend.texi (Zero Length): Clarify semantics.
4377 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
4379 * configure.in (tm.h): Include isns-codes.h last.
4380 * configure: Rebuilt.
4382 2001-01-03 Richard Henderson <rth@redhat.com>
4384 * config/alpha/alpha.md (addvsi3, addvdi3): New.
4385 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
4387 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4389 * tradcpp.c (main): Make sure finclude() is called with a valid
4390 indepth value while handling -include.
4392 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
4394 * gencodes.c (output_predicate_decls): New function.
4396 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
4397 even if it is not the first time machmode.h is #included.
4398 * config/sh/sh.c (fpul_operand): Declare MODE argument.
4399 * tm.texi (PREDICATE_CODES): Document predicate declarations.
4400 * gcc.texi (Copyright): Added 2001.
4402 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
4404 * c-common.c (c_common_lang_init): New function. Warn if format
4405 warning options which only have effects when used with -Wformat
4406 are used without -Wformat.
4407 * c-common.h (c_common_lang_init): Declare.
4408 * c-lang.c (lang_init): Call c_common_lang_init.
4409 * objc/objc-act.c (lang_init): Call c_common_lang_init.
4411 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
4413 * configure.in: Check for the mktemp command.
4414 * configure: Regenerate.
4415 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
4416 $TEMP. Create temporary files with mktemp, if available at
4417 configure time; otherwise use set -C. Remove temporary files
4420 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
4422 * configure.in: Require at least texinfo 4.0. Check for whether
4423 Pod::Man is sufficiently recent to regenerate GCC manpages.
4424 * configure: Regenerate.
4425 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
4427 (GENERATED_MANPAGES): Define.
4428 (generated-manpages): New target. Depend on cpp.1 as well as
4430 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
4431 configure to generated-manpages or empty) rather than on the
4432 manpages directly. Remove execute permission from installed
4433 gcov.1 as well as cpp.1.
4434 * cpp.1, gcov.1: Regenerate.
4436 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4438 * builtins.c (expand_builtin_strncmp): Use host_integerp and
4439 tree_low_cst. Allow using cmpstrsi in more cases.
4441 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4443 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
4446 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
4448 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
4449 * Makefile.in (HOST_CFLAGS): Mention build-make.
4451 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4453 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
4456 2001-01-01 Bernd Schmidt <bernds@redhat.com>
4458 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
4461 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
4464 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
4465 reg_base_value and reg_known_value arrays.
4466 (init_alias_analysis): Add more cases to detect known values.
4467 * sched-deps.c (deps_may_trap_p): New function.
4468 (sched_analyze_2): Use it.
4470 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
4472 * combine.c (simplify_shift_const): Even if we're sign-extracting,
4473 don't discard an ASHIFTRT if we're shifting in a wider mode.
4475 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
4477 * toplev.c (rest_of_compilation): Don't print basic block information
4478 when CFG isn't up to date.
4480 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
4482 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
4483 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
4484 (UNALIGNED_SHORT_ASM_OP): Define.
4485 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
4487 2001-01-02 Mark Mitchell <mark@codesourcery.com>
4489 * fold-const.c (fold_convert): Fix typo.
4491 2001-01-02 Richard Henderson <rth@redhat.com>
4493 * c-common.h (ASM_INPUT_P): New.
4494 * c-parse.in (asm): Set it when needed.
4495 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
4496 existance of an operand.
4498 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
4500 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
4501 (dwarf2out_frame_debug_expr): Likewise.
4502 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
4504 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
4506 * i386.c (ix86_split_to_parts): Return number of part required;
4508 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
4510 (ix86_split_long_move): Use number of part returned
4511 by ix86_split_to_parts
4512 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
4514 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
4515 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
4516 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
4517 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
4518 (ALIGN_MODE_128): Add TFmode.
4519 (IS_STACK_MODE): Likewise.
4520 (HARD_REGNO_NREGS): TFmode needs 3 registers.
4521 (HARD_REGNO_OK): Support TFmodes.
4522 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
4523 * i386.md (scheduler definitions): Use memory operand to determine
4524 fst/fld instructions; use mode attribute to determine real mode of
4526 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
4527 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
4529 2001-01-02 Mark Mitchell <mark@codesourcery.com>
4531 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
4533 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
4535 * expr.c (store_constructor_field): Update ALIGN before calling
4538 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
4540 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
4543 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
4545 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
4548 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
4550 * c-decl.c (start_function): Don't warn on third parameter to main.
4552 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4554 * tsystem.h: Define HAVE_DECL_GETOPT.
4556 2001-01-02 Philip Blundell <pb@futuretv.com>
4558 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
4561 2001-01-02 Richard Henderson <rth@redhat.com>
4563 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
4565 2001-01-02 Andreas Jaeger <aj@suse.de>
4567 * c-decl.c (c_decode_option): Remove support of
4570 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
4571 (W_options): Add -Wmissing-noreturn here.
4573 * flow.c: Define lang_missing_noreturn_ok_p.
4574 (check_function_return_warnings): Use it.
4576 * c-common.h: Declare lang_missing_noreturn_ok_p.
4578 * c-lang.c (c_missing_noreturn_ok_p): New function.
4579 (lang_init): Set lang_missing_noreturn_ok_p.
4581 * invoke.texi (Warning Options): Document this.
4583 2000-12-27 Phil Edwards <pme@sources.redhat.com>
4585 * extend.texi (C++ Extensions): New node for C++ attributes;
4586 describe init_priority and com_interface.
4587 * invoke.texi: Remove -finit-priority as it now has zero effect.
4588 * install.texi: Fix xref syntax.
4589 * md.texi: Likewise.
4591 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4593 * config.gcc (sparc64-wrs-vxworks*): New case.
4594 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
4596 * config/sparc/sparc.c (sparc_override_options): Do support different
4597 pointer and architecture size.
4598 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
4599 (POINTERS_EXTEND_UNSIGNED): Define.
4600 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
4601 (FUNCTION_MODE): Define to be Pmode.
4602 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
4604 * function.c (expand_function_end): Properly handle DECL_RESULT
4605 and copy when ptr_mode != Pmode.
4606 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
4608 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4610 * c-common.c (c_common_nodes_and_builtins): Set prototype
4611 parameters for __builtin_fputs, __builtin_fputc and
4612 __builtin_fwrite. Don't declare plain fputc as a builtin.
4614 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
4616 * loop.c (add_label_notes): Increment the label usage count when
4617 a note is added to an insn which refers to a CODE_LABEL.
4618 * gcse.c (add_label_notes): Likewise.
4620 2001-01-01 Andreas Jaeger <aj@suse.de>
4622 * loop.c (scan_loop): Use xmalloc to allocate movables.
4624 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
4626 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
4627 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
4628 * reload1.c (REGISTER_MOVE_COST): Likewise.
4629 * regclass.c (REGISTER_MOVE_COST): Likewise.
4630 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
4631 dimension. Adjust all users.
4632 (init_reg_sets_1): Iterate on all modes.
4633 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
4634 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
4635 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
4636 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
4637 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
4638 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
4639 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
4640 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
4641 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
4642 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
4643 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
4644 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
4645 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
4646 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
4647 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
4648 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
4649 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
4650 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
4651 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
4652 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
4653 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
4654 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
4655 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
4656 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
4657 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
4658 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
4659 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
4661 2001-01-01 Bernd Schmidt <bernds@redhat.com>
4663 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
4664 arg VARIES_P. Call it with extra arg.
4665 (true_dependence): Likewise.
4666 * rtl.h (rtx_addr_can_trap_p): Declare.
4667 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
4669 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
4670 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
4671 pic offset table register if it's zero. All callers changed.
4672 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
4674 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4676 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
4677 STRING_POOL_ADDRESS_P.
4679 * config/sparc/sparc.c (input_operand): Properly test for short op.
4681 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
4682 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
4683 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
4684 * config/sparc/elf.h: No longer include sol2.h.
4685 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
4686 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
4688 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
4690 2001-01-01 Michael Hayes <mhayes@redhat.com>
4692 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
4693 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
4694 (record_initial): Likewise.
4695 * unroll.c (copy_loop_body, loop_iterations): Likewise.
4696 (remap_split_bivs): Likewise.
4698 2001-01-01 Michael Hayes <mhayes@redhat.com>
4700 * loop.c (loop_ivs_free): New function.
4701 (strength_reduce): Break out from...
4703 2001-01-01 Michael Hayes <mhayes@redhat.com>
4705 * loop.h (struct iv): New.
4706 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
4707 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
4708 'reg_biv_class' fields with 'regs' and 'n_regs'.
4709 (struct ivs): Rename 'loop_iv_list' field to 'list'.
4710 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
4711 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
4713 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
4715 * resource.c (mark_referenced_resources): Abort() before
4716 attempting to mark a pseudo register.
4717 (mark_set_resources): Likewise.
4719 2001-01-01 Michael Hayes <mhayes@redhat.com>
4721 * loop.h (REG_IV_CLASS): New accessor macro.
4722 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
4723 * unroll.c (REG_IV_CLASS): Likewise.
4725 See ChangeLog.4 for earlier changes.