1 2001-02-24 Zack Weinberg <zackw@stanford.edu>
3 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
4 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
5 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
6 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
7 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
8 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
10 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
11 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
12 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
13 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
14 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
16 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
17 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
20 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
21 Delete now-empty file.
23 * alpha/vms.h: Define NEED_ATEXIT here...
24 * alpha/xm-vms.h: ...not here.
26 * i386/cygwin.h: Don't define PARAMS.
27 * mips/mips.c: Don't prototype mktemp. Don't define
28 P_tmpdir. Use make_temp_file to create temporary files.
29 Don't be clever and delete temporary files early.
30 * config.gcc: Drop references to deleted files. Don't define
32 * gcc.texi: Don't mention USE_PROTOTYPES.
34 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
36 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
37 (ix86_set_move_mem_attrs_1): Likewise.
38 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
39 * config/i386/i386.md (movstrsi): Call it.
41 2001-02-24 Zack Weinberg <zackw@stanford.edu>
43 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
44 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
45 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
46 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
48 (i750a-*-*): Error here if hosting on i750a.
49 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
51 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
52 Remove (empty modulo comments).
54 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
55 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
56 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
57 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
58 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
59 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
61 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
62 Remove reference to winnt.h in comment.
63 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
65 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
67 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
68 used to set another biv.
70 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
72 * tree.h (BLOCK_DEAD): New macro.
73 (struct tree_block): New flag, dead_flag.
74 * print-tree.c (print_node, case 'b'): Print missing fields.
75 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
76 * function.c (identify_blocks): Enable test for misplaced notes.
77 (all_blocks): Skip BLOCK_DEAD blocks.
78 * integrate.c (integrate_decl_tree): Likewise.
80 * errors.c (internal_error, trim_filename): New functions.
81 (fancy_abort): Call internal_error.
82 * errors.h (internal_error, trim_filename): New declarations.
84 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
86 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
88 (EXTRA_CONSTRAINT): Formatting changes.
90 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
92 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
94 2001-02-23 Per Bothner <per@bothner.com>
96 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
97 so they can be called from java/jvspec.c.
98 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
100 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
102 * i386.c (ix86_frame): New structure.
103 (ix86_compute_frame_size): Kill.
104 (ix86_compute_frame_layout): New.
105 (ix86_save_reg): New.
106 (ix86_can_use_return_insn_p): Use frame layout stuff.
107 (ix86_expand_prologue): Likewise.
108 (ix86_expand_epilogue): Likewise.
109 (ix86_initial_elimination_offset): Likewise.
110 (ix86_nsaved_regs): Use ix86_save_reg.
111 (ix86_emit_save_regs): Likewise.
113 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
115 * flow.c (find_sub_basic_blocks): New function.
116 (split_block): Be ready for basic block introduced by CODE_LABEL.
117 (commit_one_edge_insertion): Call find_sub_basic_block.
119 * flow.c (make_edges): Add edge from entry for blocks starting with
120 label having ALTERNATE_NAME
122 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
124 * function.c (epilogue_done): Be ready for first basic block not
125 containing PROLOGUE_END note.
126 (reposition_prologue_and_epilogue_notes): Avoid placing
127 PROLOGUE_END note between BASIC_BLOCK.
129 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
131 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
133 2001-02-21 DJ Delorie <dj@redhat.com>
135 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
136 check for current_function_has_nonlocal_goto from 1999-11-12.
138 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
140 * diagnostic.c (trim_filename): No longer static.
141 * toplev.h (trim_filename): Declare.
142 * rtl.c (rtl_check_failed_bounds): Call internal_error.
143 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
144 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
145 (rtvec_check_failed_bounds): Likewise.
146 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
148 * convert.c (convert_to_integer): Don't do unsigned unless result or
149 both inputs are unsigned.
151 * fold-const.c (fold_convert): Don't call size_int_type_wide if
154 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
156 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
158 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
160 * Makefile.in (resource.o): Add params.h dependence.
161 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
162 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
163 * resource.c: Add dependence on params.h.
164 (current_live_regs): Fix explanatory comment.
165 (find_basic_block): Add new parameter to permit limiting search
167 (mark_target_live_regs): Add new argument to find_basic_block call.
168 (incr_ticks_for_insn): Likewise.
170 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
172 * diagnostic.c (output_to_stream): Rename to
173 output_buffer_to_stream. Loses the stream parameter.
174 (init_output_buffer): Set diagnosic_buffer's stream.
175 (flush_diagnostic_buffer): Adjust.
176 (default_print_error_function): Likewise.
177 (finish_diagnostic): Likewise.
178 (verbatim): Likewise.
180 * diagnostic.h (struct output_buffer): Add `stream' field.
181 (output_buffer_attached_stream): New macro.
183 2001-02-23 Jakub Jelinek <jakub@redhat.com>
185 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
186 check if either operand is divisible by C.
187 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
188 If type is signed, consider negative numbers as well.
190 2001-02-22 Richard Henderson <rth@redhat.com>
192 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
193 reach .text instead of gp-relative relocs.
194 * config/ia64/crtend.asm (.init): Likewise.
196 2001-02-22 Andreas Jaeger <aj@suse.de>
198 * extend.texi (C++ Attributes): Fix typo.
200 2001-02-21 David Mosberger <davidm@hpl.hp.com>
202 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
203 functions, drop current_function_args_info.words test.
204 (ia64_compute_frame_size): Mark syscall_linkage functions as
205 using eight input registers.
207 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
208 Bruce Korb <bkorb@gnu.org>
210 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
211 * fixinc/README: Document how to convert sed substitutions
212 to format style c_fix-es.
213 * fixinc/fixincl.x: regen
215 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
217 * gcc.c: Add comment explaining how to add a command-line option.
218 Add title to specs language comment.
220 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
222 * gcc.c (cc1_options): Add "-param".
223 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
224 (option_map): Likewise.
225 * toplev.c (display_help): Add entry for "--param".
226 (independent_decode_option): Fix typographical error.
228 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
229 Bernd Schmidt <bernds@redhat.com>
230 Jan Hubicka <jh@suse.cz>
232 * i386.c (function_arg_advance): Pass SSE arguments in registers.
233 (function_arg): Likewise.
235 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
237 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
239 2001-02-21 Kazu Hirata <kazu@hxi.com>
241 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
245 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
247 * flow.c (init_propagate_block_info): Canon address and use single_set
248 for killing dead memory stores.
250 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
252 * Makefile.in (reorg.o): Add params.h dependence.
253 * params.def: Fix typographical error in comment.
254 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
255 * params.h: Modify introductory comment.
256 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
257 * reorg.c: Add dependence on params.h.
258 (redundant_insn): Add parameterized throttle for search.
259 (fill_simple_delay_slots): Add a comment explaining a variable.
260 Move conditional out of loop, simplifying code.
261 (fill_eager_delay_slots): Fix typographical error in comment.
263 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
265 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
267 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
268 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
270 2001-02-21 Jason Merrill <jason@redhat.com>
272 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
273 (struct tree_decl): Add uninlinable bitfield.
274 * c-decl.c (duplicate_decls): Set it.
275 * integrate.c (function_cannot_inline_p): Check it.
277 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
278 DW_AT_MIPS_linkage_name to abstract methods.
279 (dwarf2out_abstract_function): Emit class context before calling
280 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
281 (gen_subprogram_die): Remove obsolete code.
282 (gen_member_die): Don't include clones in the member list.
283 (gen_decl_die): Emit abstract info for clone origin.
284 * dwarfout.c (output_type): Don't include clones in the member list.
285 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
286 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
287 DECL_ABSTRACT on a function that already has it set.
289 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
290 (get_subprogram_die): Pass it in.
292 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
294 * flow.c (mark_set_1): Make not_dead unsigned long. For
295 non-pseudos, use it as a bitmask of the hard regs that
298 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
300 * cppfiles.c: Update comments.
301 (_cpp_read_file): Don't check for NULL filenames any more.
302 * cppinit.c (cpp_start_read): Don't do canonicalization of
303 in_fname and out_fname. Use the passed file name exclusively.
304 (_cpp_handle_options): Don't treat "-" as a command line option,
305 but as a normal filename.
306 (_cpp_post_options): Canonicalize in_fname and out_fname.
307 * cppmain.c (printer_init): Don't check out_fname for NULL.
308 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
309 (init_c_lex): Update, and use "" to represent stdin to CPP.
312 2001-02-20 Will Cohen <wcohen@redhat.com>
314 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
315 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
316 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
319 2001-02-20 Stan Shebs <shebs@apple.com>
321 * config/rs6000/rs6000.c (output_cbranch): Output branches
322 on separate lines instead of using ';' to separate.
324 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
326 * cppinit.c (set_lang): Move builtin handling to...
327 (init_builtins): ...here.
328 (_cpp_create_reader): Move call to set_lang.
330 2001-02-20 Mark Mitchell <mark@codesourcery.com>
332 * stmt.c (expand_return): If an attempt is made to return the
333 error_mar_node, treat the return like a return without a value.
335 2001-02-19 Zack Weinberg <zackw@stanford.edu>
337 * sibcall.c (skip_copy_to_return_value): Call
338 identify_call_return_value here, and return orig_insn if it
339 returns zero. Hardret and softret arguments now unnecessary.
340 (call_ends_block_p): Don't call identify_call_return_value here.
342 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
344 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
345 * ggc.h (ggc_mark_if_gcable): Delete prototype.
347 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
349 * pa.c (move_operand): Accept code to load the address of a
350 symbol out of the DLT as a valid move operand.
351 (print_operand, case 'A'): New to handle generating a DLT
352 reference for a LO_SUM expression.
353 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
354 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
356 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
358 * README, cpp.texi, gcc.texi, version.c: Update version number to
360 * cpp.1, gcov.1, gcc.1: Regenerate.
362 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
364 * cppfiles.c (stack_include_file): Generate dependencies
365 here, and manage include_count here too.
366 (PRINT_THIS_DEP): Delete.
367 (_cpp_execute_include): Do not generate dependencies here,
368 apart from the case of a missing header. Do not manage
370 (_cpp_read_file): Leave dependency generation to
373 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
375 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
376 target_cpu_default. Remove dead assignment to
379 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
381 * regclass.c (contains_reg_of_mode): Make global.
382 (init_reg_sets): Remove contains_reg_of_mode; take into account
383 CLASS_MAX_NREGS when looking for the proper mode.
384 (dump_regclass): Dump only classes considered for the pseudo.
385 (regclass): Use contains_reg_of_mode.
387 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
389 * gcc.c (do_spec_1): 'n' for printing notices.
390 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
392 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
394 * reg-stack.c (next_flags_user): Use current_block->end
395 (swap_rtx_condition): Look for next user if flags don't die;
396 give up on CALL_INSNs; use current_block->end.
398 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
400 * sibcall.c (call_ends_block_p): New function.
401 (optimize_sibling_and_tail_recursive_call): Use it.
403 2001-02-18 Kazu Hirata <kazu@hxi.com>
405 * config/h8300/h8300.md: Update copyright.
406 (andsi3): Do not output an extra newline character.
408 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
410 * toplev.c (note_deferral_of_defined_inlined_function): Argument
411 FNDECL may be unused.
413 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
414 follow jumps after first run.
415 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
416 it doesn't change any jumps.
418 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
420 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
421 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
422 (mostlyclean): Corresponding changes.
423 * rtlanal.c (hard-reg-set.h): Include.
424 (rtx_unstable_p): Do not treat the argument pointer specially
425 if it is not a fixed register.
426 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
428 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
430 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
431 against last real insn in basic block.
432 Rework to avoid gotos.
434 * Makefile.in (gcse.o): Now includes ggc.h.
435 * gcse.c: Include ggc.h.
436 (want_to_gcse_p): Verify expression can be in SET as valid insn.
437 (try_replace_reg): Remove warning of uninitialize variable.
438 (process_insert_insn): Call invalid_insn_p to validate insn.
439 * recog.c (insn_invalid_p): Now global.
440 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
441 * recog.h (insn_invalid_p): New declaration.
443 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
445 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
446 assignments from FP constants since 'Y' output code can't handle it.
447 (eligible_for_sibcall_delay): Likewise.
449 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
450 Call fancy_abort directly, passing args.
451 (print_rtl_and_abort): Now a macro, like fancy_abort.
453 * final.c (output_operand_lossage): Use internal_error, not error.
455 2001-02-18 Shane Nay <shane@agendacomputing.com>
457 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
458 structure shift insns.
460 2001-02-18 Mark Mitchell <mark@codesourcery.com>
462 * invoke.texi (-fsquangle): Remove documentation.
463 (-fname-mangling-version): Likewise.
465 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
467 * optabs.c (expand_abs): Remove reference to
468 HAVE_contitional_arithmetic.
469 * combine.c (simplify_set): Likewise.
471 2001-02-18 Richard Henderson <rth@redhat.com>
473 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
476 2001-02-18 Richard Henderson <rth@redhat.com>
478 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
480 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
482 * reload1.c (reload_cse_simplify_set): Fix typo.
484 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
486 * diagnostic.c (_fatal_insn): Decrement errorcount.
488 * invoke.texi (-I): Add note avoiding use for system header files.
490 * rtl.h (add_clobbers): Remove duplicate declaration.
491 * recog.h (added_clobbers_hard_reg_p): New declaration.
492 * genemit.c (struct clobber_pat): New field has_hard_reg.
493 (gen_insn): Record if added clobbers clobber hard reg.
494 (gen_split): Avoid unused warning if number of operands is 0.
495 (output_added_clobbers_hard_reg_p): New function.
498 2001-02-18 Alan Modra <alan@linuxcare.com.au>
500 * pa.c (hppa_expand_prologue): Simplify code storing return
501 pointer. For large (>=8k) frames with a post_store, adjust stack
502 pointer by 8k-64 first rather than by 64. When testing with
503 VAL_14_BITS_P, always use the actual value rather than the value
504 negated. Add blockage to prevent scheduling of spills before
505 stack frame has been created.
506 (hppa_expand_epilogue): Simplify code loading return pointer.
507 Allow a slightly larger range for merge_sp_adjust_with_load case.
508 When testing with VAL_14_BITS_P, always use the actual value.
510 * pa.c (pa_adjust_insn_length): Check that block move
511 pattern is a set before looking at operands.
513 2001-02-17 Mark Mitchell <mark@codesourcery.com>
515 * fold-const.c (fold_binary_op_with_conditional_arg): New
516 function, split out from ...
518 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
519 conditional arms that throw exceptions.
521 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
524 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
526 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
527 define HAVE_DECL_* to 1 to mask potential backup declarations.
528 * configure: Regenerated.
530 2001-02-17 Mark Mitchell <mark@codesourcery.com>
532 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
534 2001-02-17 Richard Henderson <rth@redhat.com>
536 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
537 when replacing a memory load with a register.
539 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
540 Jan Hubicka <jh@suse.cz>
542 * recog.c (validate_replace_src_1): New.
543 (validate_replace_src_data): Likewise.
544 (validate_replace_src): Use note_uses.
545 * rtl.h (note_uses): Declare.
546 * rtlanal.c (note_uses): New.
548 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
550 * reg-stack.c (stack_def): Make field reg unsigned.
551 (remove_regno_note): Unsignetize parameter.
553 2001-02-16 Jes Sorensen <jes@linuxcare.com>
555 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
556 shladd_operand() call.
558 2001-02-16 Bruce Korb <bkorb@gnu.org>
559 Rodney Brown <RodneyBrown@mynd.com>
561 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
562 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
564 * fixinc/fixincl.x: regen
566 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
568 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
570 (hash_scan_insn): Clean up calls to hash_scan_set.
571 (compute_kill_rd): REGNO now unsigned.
572 (try_replace_reg): Rework to use simplify_replace_rtx.
573 (cprop_jump, cprop_cc0_jump): Likewise.
574 (cprop_insn): Call find_reg_equal_equiv_note.
575 Reflect changes to cprop_jump and cprop_cc0_jump.
577 * recog.c (validate_replace_src): Replace in operands of
578 ZERO_EXTRACT in SET_DEST.
580 * cse.c (new_label_ref): New variable.
581 (insert): Set it instead of recorded_label_ref.
582 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
583 CODE_LABEL for this function, and not already in REG_LABEL note.
585 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
587 * resource.c (mark_referenced_resources): Fix typo in introductory
589 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
592 2001-02-16 Jason Merrill <jason@redhat.com>
594 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
596 (gen_subprogram_die): Don't abort on seeing a second definition if
597 the previous one was abstract. Don't replace an abstract instance
600 * dwarf2out.c (dwarf2out_abstract_function): Rename from
601 gen_abstract_function.
602 * dwarf2out.h: Declare it.
603 * toplev.c (note_outlining_of_inline_function): New fn.
604 * toplev.h: Declare it.
605 * integrate.c (output_inline_function): Call it.
606 * c-decl.c (duplicate_decls): Call it when redefining an extern
607 inline. Don't inline the new defn.
609 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
611 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
613 * .gdbinit: Rename to gdbinit.in.
614 * gdbinit.in: New file,
615 * configure.in: Generate .gdbinit from gdbinit.in.
616 * configure: Regenerated.
617 * Makefile.in (distclean): Always remove .gdbinit.
619 2001-02-16 Jakub Jelinek <jakub@redhat.com>
621 * objc/objc-act.c (start_class): Register implemented_classes with
624 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
626 * cppfiles.c (_cpp_make_system_header): Generate a file
629 2001-02-15 Jim Meyering <meyering@lucent.com>
631 * Makefile.in (install-common): Don't depend on installdirs here.
632 Instead, make each of the lang.install-common targets (e.g.,
633 c++.install-common in cp/Make-lang.in) depend on it.
634 (install-driver): Depend on installdirs.
636 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
638 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
640 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
643 2001-02-15 Mark Mitchell <mark@codesourcery.com>
645 * invoke.texi (--param): Document.
647 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
649 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
651 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
653 * i386.md (extendsfdf2_2): Fix constraints.
655 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
657 * i386.md (fop_df_3 splitter): Fix operand number.
659 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
661 * invoke.texi (-mreg-alloc): Nuke.
662 * i386.c (ix86_reg_alloc_order, regs_allocated,
663 order_regs_for_local_alloc): Nuke.
664 (override_options): Kill reg_alloc code.
665 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
666 (REG_ALLOC_ORDER): SSE goes before I387.
667 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
668 (ix86_reg_alloc_order): Likewise.
669 * i386-protos.h (ix86_reg_alloc_order): Kill.
671 2001-02-14 Richard Henderson <rth@redhat.com>
673 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
675 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
677 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
679 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
681 * i386-protos.h (ix86_memory_move_cost): Move offline.
682 * i386.c (ix86_register_move_cost): Compute properly cost of
683 SSE, MMX and i387 instructions.
684 (*_cost): Add costs of SSE/MMX moves.
685 (ix86_memory_move_cost): Move offline from ....; Likewise.
686 * i386.h (MEMORY_MOVE_COST): .... here;
687 (struct processor costs): Add new fields to represent costs
690 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
692 * regclass.c (init_reg_sets_1): Reinstall the optimization of
693 move_cost together with Matt Kraai's fix.
695 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
697 * Makefile.in (OBJS): Add params.o.
699 2001-02-14 Richard Henderson <rth@redhat.com>
700 DJ Delorie <dj@redhat.com>
702 * jump.c (jump_optimize_1): When we delete a conditional jump
703 preceeding a non-conditional jump to effectively the same place,
704 make sure that the combined jump skips any clobber insns between
707 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
709 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
711 2001-02-14 Mark Mitchell <mark@codesourcery.com>
713 * Makefile.in (toplev.o): Depend on params.h.
714 (intergate.o): Likewise.
715 (params.o): New target.
716 * flags.h (inline_max_insns): Remove.
717 * integrate.c: Include params.h.
718 Use MAX_INLINE_INSNS instead of inline_max_insns.
719 * params.c: New file.
720 * params.h: Likewise.
721 * params.def: Likewise.
722 * toplev.c: Include params.h.
723 (lang_independent_params): New variable.
724 (decode_f_option): Use the param machinery instead of setting
726 (independent_decode_option): Handle "--param name=value".
727 (main): Register language-independent parameters.
729 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
731 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
733 2001-02-14 Richard Henderson <rth@redhat.com>
735 * regclass.c (init_reg_sets_1): Revert last two changes.
737 2001-02-14 Jakub Jelinek <jakub@redhat.com>
739 * stor-layout.c (is_pending_size, put_pending_size): New functions.
740 (variable_size): Call put_pending_size.
741 * tree.h (is_pending_size, put_pending_size): Add prototypes.
742 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
743 sizes list, put newly created SAVE_EXPR there as well.
745 2001-02-14 Jakub Jelinek <jakub@redhat.com>
747 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
748 (errata_find_address_regs): load_group has only 2 entries.
749 (errata_emit_nops): Likewise. shladd is not problematic.
750 Clear last_group if nop was emitted.
751 (fixup_errata): load_group has only 2 entries.
754 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
756 * c-lex.c (lex_number): Only warn traditionally for U suffix
757 outside system macros.
758 * cppexp.c (parse_number): Similarly.
759 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
760 * cppmacro.c (struct cpp_macro): New member node.
761 (parse_args): Only warn about missing rest args if not
763 (funlike_invocation_p): Similarly for uninvoked funlike macros.
764 (cpp_sys_objmacro_p): New.
765 (_cpp_create_definition): Store the node with the macro defn.
766 Remember if the macro is defined in a system header.
768 2001-02-13 DJ Delorie <dj@redhat.com>
770 * configure.in (check_languages): determine languages to check
771 * Makefile.in (check-c++): alias for check-g++
772 (check-f77): alias for check-g77
773 (CHECK_TARGETS): depend on configured languages
775 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
777 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
778 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
779 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
780 (sqrtextendsfdf2): Disable for SSE2.
782 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
784 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
785 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
786 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
787 (sqrtextendsfdf2): Disable for SSE2.
789 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
791 * i386.md (movsfcc_1): Support integer cmove instruction.
792 (movdfcc_1): Likewise; new splitter.
794 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
796 * i386.c (output_fp_compare): Support SSE.
797 (prepare_fp_compare_args): SSE comparisons always support memory.
798 * i386.h (TARGET_CMOVE): SSE imply cmove.
799 * i386.md (cmp?f2): Enable for SSE too.
800 (cmpfp_i*): Support SSE.
802 (cmpfp_i_sse_only): New.
803 (s*, b* fp expanters): Enable for SSE too.
804 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
807 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
809 * regclass.c (init_reg_sets_1): Silence warning.
811 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
813 * i386.md (sqrt?f2): Change to expander.
814 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
816 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
818 * rtlanal.c (find_reg_equal_equiv_note): New function.
819 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
820 (simplify_gen_relational, simplify_replace_rtx): Likewise.
821 * rtl.h: Add declarations for above functions.
823 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
825 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
827 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
828 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
829 * flow.c (mark_regs_live_at_end): Likewise.
830 (calculate_global_regs_live): Likewise.
831 * gcse.c (compute_hash_table): Likewise.
832 (compute_kill_rd): Likewise.
833 * resource.c (mark_target_live_regs): Likewise.
834 * rtl.h (INVALID_REGNUM): New macro.
836 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
838 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
840 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
842 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
845 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
847 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
849 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
850 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
851 (fop_sf_1_sse, fop_df_1_sse): New patterns
852 (fop_*): Disable float_extend and float patterns for SSE compilation.
853 * i386.c (output_387_binary_op): Support SSE.
855 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
857 * i386.md (dummy_extendsfdf2): Support SSE2
858 (extendsfdf2): Enable if 80387 or SSE2.
859 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
861 (extendsfdf2_1_sse_only): New pattern.
862 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
864 (truncdfsf2_1): Support SSE.
865 (truncdfsf2_2): Support SSE.
866 (truncdfsf2_2_1_sse): New pattern.
867 (fixtruncsfsi2): Always use SSE if available.
868 (fix_truncsfsi_sse): New pattern.
869 (fix_truncdfsi_sse): New pattern.
870 (floatsis?f2): Support SSE.
871 (floatsidf2_i387): New pattern.
872 (floatsidf2_sse): Likewise.
874 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
876 * configure.in: Use "have_gnat" variable, not "gnat".
877 * configure: Regenerated.
879 * config/sparc/sparc.c (function_value): Treat all non-record
880 aggregate types like used to treat UNION_TYPE.
882 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
884 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
885 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
887 (MASK_MIX_SSE_I387): New.
888 (TARGET_SSE): SSE2 imply SSE.
889 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
890 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
891 (enum reg_class): Add new classes.
892 (REG_CLASS_NAMES): Likewise.
893 (REG_CLASS_CONTENTS): Likewise.
894 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
895 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
896 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
897 (CLASS_MAX_NREGS): Use new macros.
898 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
899 * i386.md (pushsf, movsf): Support SSE.
900 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
901 splitters to use ANY_FP_REGNO_P.
902 (movdf_nointeger, movdf_integer): Likewise.
904 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
906 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
907 (try_combine): Use it.
909 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
911 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
912 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
913 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
914 (REGISTER_MOVE_COST): Likewise.
915 * i386-protos.h (ix86_secondary_memory_needed,
916 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
917 * i386.c (ix86_secondary_memory_needed,
918 ix86_preferred_reload_class, ix86_register_move_cost): New function.
920 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
922 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
923 (HARD_REGNO_MODE_OK): Move offline to ....
924 * i386.c (ix86_hard_regno_mode_ok) ... here;
925 refuse all incorrect modes.
926 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
928 2001-02-13 Richard Henderson <rth@redhat.com>
930 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
931 entire operator; replicate that and match_dup the operands.
932 (cmp_ccx_arith_op_set): Likewise.
933 (cmp_cc_arith_op_not_set): Likewise.
934 (cmp_ccx_arith_op_not_set): Likewise.
936 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
938 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
940 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
942 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
943 (TARGET_NO_BITFIELD_WORD): New macro.
944 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
945 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
947 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
949 * cselib.c: New file, from simplify-rtx.c.
950 * simplify-rtx.c: Remove cselib parts.
951 * Makefile.in: Add cselib.o.
953 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
955 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
956 (setup_incoming_varargs): Remove warning.
958 * config/rs6000/rs6000.c (validate_condition_mode): When
959 flag_fast_math, allow floating-point conditionals to be reversed.
960 (rs6000_generate_compare): When flag_fast_math, don't generate
961 cror operations for FP conditionals.
963 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
965 (ASM_SPEC): Likewise.
966 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
967 (CC1_SPEC): Likewise.
968 (LINK_TARGET_SPEC): Likewise.
969 (CPP_ENDIAN_SPEC): Likewise.
970 * Makefile.in (check-consistency): New target.
972 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
974 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
975 "return type defaults" warning for functions with return type
977 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
978 function declarations by default rather than only when pedantic.
980 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
982 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
985 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
987 * extend.texi (Deprecated): Deprecate new initializer lists.
989 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
991 * mkdeps.c (deps_add_default_target): Robustify. Add
992 basename component only.
993 * cpp.texi (-M): Describe how default target is generated.
994 * invoke.texi (-M): Likewise.
996 2001-02-12 Kazu Hirata <kazu@hxi.com>
998 * toplev.c (push_float_handler): Remove.
999 (pop_float_handler): Remove.
1000 * toplev.h: Remove prototypes for the above functions.
1002 2001-02-12 Jakub Jelinek <jakub@redhat.com>
1004 * c-common.c (constant_fits_type_p): New function.
1005 (convert_and_check): Use it.
1007 2001-02-11 Mark Mitchell <mark@codesourcery.com>
1009 * Makefile.in (GXX_ABI_FLAG): Don't define.
1010 * configure.in (--enable-new-gxx-abi): Remove option.
1011 * config.in: Regenerated.
1012 * configure: Likewise.
1014 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
1016 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
1018 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
1019 regular basic block, and arrange for all edges into it to switch
1022 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1024 * Makefile.in (distclean): Do not remove .gdbinit.
1026 2001-02-11 Mark Mitchell <mark@codesourcery.com>
1028 * Makefile.in (gcc.o): Fix typos.
1029 (protize.o): Likewise.
1030 (unprotoize.o): Likewise.
1032 2001-02-11 Richard Henderson <rth@redhat.com>
1034 * tree.c (build1): Check for null operand in last change.
1036 2001-02-11 Richard Henderson <rth@redhat.com>
1038 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
1039 (fold): Don't assume a constant isn't foldable.
1040 * tree.c (build): Set TREE_CONSTANT for an expression with no
1041 side-effects and constant operands.
1044 2001-02-10 Richard Henderson <rth@redhat.com>
1046 * jump.c (squeeze_notes): Revert 2000-05-12 change.
1048 2001-02-10 Anthony Green <green@redhat.com>
1050 * cpp.texi (Standard Predefined): Add documentation for
1053 * c-common.c (combine_strings): Improve warning message.
1055 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
1057 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
1059 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
1061 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
1063 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
1066 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
1068 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
1071 2001-02-09 Nick Clifton <nickc@redhat.com>
1073 * config/arm/arm.md: Change output contraint on post inc
1074 load/store multiple patterns to be a read/write contraint.
1076 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
1078 * gcc.c (cpp_options): Delete .d files on error. Don't delete
1079 .o files when using the -M options.
1081 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1082 David Edelsohn <edelsohn@gnu.org>
1084 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
1085 handle DImode constants. Use one TOC entry for SImode and smaller
1086 constants, aligned properly.
1088 2001-02-08 Jason Merrill <jason@redhat.com>
1090 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
1091 about the SP adjustment for saving the static chain pointer.
1092 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
1093 offset when setting a temporary CFA register.
1095 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
1097 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
1098 powerpc-*-chorusos* .
1099 * config/rs6000/chorus.h : New file.
1100 * config/i386/chorus.h : New file.
1101 * config/sparc/chorus.h : New file.
1102 * config/sparc/t-chorus-elf : New file.
1104 2001-02-08 David Edelsohn <edelsohn@gnu.org>
1106 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
1107 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
1108 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
1109 (__WCHAR_TYPE__): Correct macro name.
1111 2001-02-08 Richard Henderson <rth@redhat.com>
1113 * config/i386/i386.c (ix86_frame_pointer_required): New.
1114 (ix86_setup_frame_addresses): New.
1115 (struct machine_funciton): Add accesses_prev_frame.
1116 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
1117 ix86_frame_pointer_required.
1118 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
1119 (SETUP_FRAME_ADDRESSES): New.
1120 * config/i386/i386-protos.h: Update.
1121 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
1122 from FRAME_POINTER_REQUIRED.
1123 * config/i386/svr3gas.h: Likewise.
1124 * config/i386/sysv3.h: Likewise.
1125 * config/i386/v3gas.h: Likewise.
1127 2001-02-08 Richard Henderson <rth@redhat.com>
1129 * config/sparc/sparc.c (function_arg_record_value_3): Fix
1130 calculation of the number of integer registers required.
1131 (function_arg_record_value): Likewise.
1133 2001-02-08 Jason Merrill <jason@redhat.com>
1135 * diagnostic.c (internal_error): Say "confused" after 1 error, not
1136 two. Print file and line with "confused" message.
1138 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
1140 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1142 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
1144 2001-02-08 Bernd Schmidt <bernds@redhat.com>
1146 * final.c (cleanup_subreg_operands): The address of a MEM can
1149 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
1152 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
1154 * gcc.texi (Incompatibilities): Update documentation of
1155 preprocessing numbers.
1157 2001-02-07 Jakub Jelinek <jakub@redhat.com>
1159 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
1161 2001-02-07 Mark Mitchell <mark@codesourcery.com>
1163 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
1165 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
1166 * gcc.c (struct compiler): Add cpp_spec field.
1167 (input_file_compiler): New variable.
1168 (do_spec_1): Allow a particular compiler to handle `%C'
1170 (main): Store the current compiler in input_file_compiler.
1171 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
1173 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
1175 * cpphash.h (struct spec_nodes): Add n_true and n_false.
1176 * cppinit.c (cpp_create_reader): Initialize them.
1177 (append_include_chain): cxx_aware arg might be unused.
1178 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
1179 keywords and give them their phase 7 meaning. Pedwarn about
1180 this unless '__bool_true_false_are_defined' is defined.
1182 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
1184 * lcm.c (optimize_mode_switching): Emit mode_set before the
1185 JUMP_INSN of an abnormal edge.
1187 2001-02-07 Bernd Schmidt <bernds@redhat.com>
1189 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
1190 a scheduling barrier at the end.
1192 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
1194 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
1196 * config/sh/sh.md (reload_outsf): Removed.
1197 (movsf_ie): Introduce constraints for FPUL loads and stores.
1198 (reload_insf): Broaden the output constraint.
1200 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
1202 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
1203 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
1205 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
1207 * final.c: Revert my previous changes.
1208 * output.h: Make profile_label_no extern.
1209 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
1210 for generating label.
1212 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
1214 * config/i386/djgpp.h: Add comments about standard paths.
1215 (MD_EXEC_PREFIX): Undefine before defining.
1216 (MD_STARTFILE_PREFIX): New.
1218 2001-01-30 Bruce Korb <bkorb@gnu.org>
1220 fixinc/fixincl.c(process): Emit error message only if appropriate :)
1221 (load_file): do not rely on load_file_data() to close file pointer
1222 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
1223 fixinc/inclhack.def(irix_limits_const): add test_text
1225 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
1227 * cppexp.c (parse_defined): Improve diagnostics for invalid
1230 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
1232 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
1234 2001-02-06 Mark Mitchell <mark@codesourcery.com>
1236 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
1237 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
1238 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
1239 (rs6000_output_symbol_ref): New function.
1240 (output_toc): Use VTABLE_NAME_P.
1242 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1244 * print-tree.c (print_node, case PARM_DECL):
1245 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
1247 * stor-layout.c (reference_types_internal): New variable.
1248 (internal_reference_types): New function.
1249 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
1250 * tree.h (internal_reference_types): New declaration.
1252 * cse.c (find_best_addr): Fix typo in computing cost.
1254 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1256 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
1257 and this is the sum of a pointer and a constant, we know the result
1259 (num_sign_bit_copies, case PLUS): Likewise.
1260 * explow.c (convert_memory_address): Remove opposite SUBREG.
1261 * function.c (instantiate_new_reg): New function (from common code).
1262 (instantiate_virtual_regs_1): Call it.
1263 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
1264 if pointers sign- or zero-extend.
1265 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
1266 If pointers extend unsigned, use inside of SUBREG.
1267 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
1269 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
1271 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
1272 subdir of gcc_gxx_include_dir.
1273 (gcc_gxx_target_include_dir): Remove.
1275 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
1277 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
1278 (dwarf2out_frame_debug_expr): Revise introductory comments to add
1279 a high-level description.
1281 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
1283 * final.c: Move the declaration of profile_label_no to ...
1284 * output.h: ... here.
1285 * function.c (expand_function_start): Call PROFILE_HOOK.
1286 * config/rs6000/aix.h: Define PROFILE_HOOK.
1287 * config/rs6000/rs6000-protos.h: output_profile_hook new.
1288 * config/rs6000/rs6000.c (output_profile_hook): Define.
1289 (output_prolog): Do nothing for ABI_AIX as it is taken care by
1290 output_profile_hook.
1291 tm.texi : Explain new macro PROFILE_HOOK.
1293 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
1295 * extend.texi (Extended Asm): Do not say that semicolon is always
1296 a valid line-breaking character for GNU assemblers. Use
1297 newline-tab as the most commonly supported syntax. Use
1298 newline-tab rather than semicolon in multi-insn examples.
1300 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1302 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
1304 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1305 David Edelsohn <edelsohn@gnu.org>
1307 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
1308 code for AIX, even without flag_pic.
1310 2001-02-05 Jakub Jelinek <jakub@redhat.com>
1312 * c-typeck.c (common_type): push and pop binding level around
1313 calling common_type on function parameters.
1315 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
1317 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
1319 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1321 * config/mips/mips.c (override_options): Fix typo in last change.
1322 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
1323 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
1325 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
1327 * invoke.texi (-fdump-class-layout): Document.
1328 (-fdump-translation-unit): Use `=' as filename separator.
1330 2001-02-05 Mark Mitchell <mark@codesourcery.com>
1332 * Makefile.in (s-mlib): Don't build multilibs if
1334 (DRIVER_DEFINES): Adjust accordingly.
1336 (protoize.o): Likewise.
1337 (unprotoize.o): Likewise.
1338 * configure.in: Recognize --enable-multilib.
1340 2001-02-04 Mark Mitchell <mark@codesourcery.com>
1342 * Makefile.in (DRIVER_DEFINES): Fix quoting.
1344 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
1345 * configure.in: Remove --enable-libstdcxx_v3 support.
1346 * configure: Regenerated.
1348 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1350 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
1351 Call abort instead of fatal.
1352 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
1353 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
1354 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
1355 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
1356 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
1357 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
1359 * diagnostic.h (set_internal_error_function): Renamed.
1360 * toplev.h (internal_error): Renamed from fatal.
1361 (pfatal_with_name): Deleted.
1362 (fatal_io_error): Now has printf-style arguments.
1363 * diagnostic.c (pfatal_with_name): Deleted.
1364 (fatal_io_error): Rework to have args in printf-style.
1365 (set_internal_error_function): Renamed from set_fatal_function.
1366 (internal_error): Renamed from fatal.
1367 (error_recursion, fancy_abort): Call internal_error instead of fatal.
1368 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
1369 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
1370 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
1371 * flow.c (verify_flow_info): Likewise.
1372 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
1373 * config/mips/mips.c (save_restore_insns): Likewise.
1375 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
1376 * flow.c (verify_flow_info): Likewise.
1377 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
1378 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
1379 (avr_normalize_condition): Likewise.
1380 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
1381 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
1382 (limit_reload_class, double_reg_to_memory): Likewise.
1383 (print_operand_address, emit_1600_code_shift): Likewise.
1384 (gen_tst_reg, gen_compare_reg): Likewise.
1385 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
1386 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
1388 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
1390 * c-parse.in (methoddef): Call fatal_error instead of fatal.
1391 * objc/objc-act.c (build_ivar_chain): Likewise.
1392 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
1394 * graph.c (clean_graph_dump_file): Likewise.
1395 * profile.c (init_branch_prob): Likewise.
1396 * objc/objc-act.c (objc_init): Likewise.
1398 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
1399 * config/avr/avr.c (avr_override_options): Likewise.
1400 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
1401 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
1402 * config/h8300/h8300.c (h8300_init_once): Likewise.
1403 * config/mips/mips.c (override_options): Likewise.
1404 * config/i386/i386.c (override_options): Likewise, rework.
1405 * config/m68k/m68k.c (override_options): Likewise.
1407 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
1409 * config/mips/mips.c (print_operand): Likewise.
1410 * hash.c (hash_allocate): Don't check for failure returns from
1411 obstack functions that can't fail.
1412 (hash_table_init_n, hash_table_init): Likewise; also now return void.
1413 * hash.h (hash_table_init_n, hash_table_init): Now return void.
1414 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
1415 (get_object_reference): Likewise.
1417 2001-02-04 Nick Clifton <nickc@redhat.com>
1419 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
1420 StrongARM1110, 10TDMI, and 1020T.
1422 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1424 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
1426 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
1428 * config/sh/sh.md (movdf load split): Pass register number to
1429 FP_OR_XD_REGISTER_P.
1431 2001-02-04 Mark Mitchell <mark@codesourcery.com>
1433 * cppinit.c (BC): New macro.
1434 (builtin_array): Add __GXX_WEAK__.
1435 * cpplib.h (builtin_type): Add BT_WEAK.
1436 * cppmacro.c (builtin_macro): Handle BT_WEAK.
1437 * defaults.h (SUPPORTS_ONE_ONLY): Define.
1438 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
1440 2001-02-03 Jakub Jelinek <jakub@redhat.com>
1442 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
1444 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
1446 * cpphash.h: Rename _ALIGN POOL_ALIGN.
1447 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
1449 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
1451 * cpphash.h: Rename ALIGN _ALIGN.
1452 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
1454 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
1456 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
1457 compilation environment.
1458 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
1459 control over location of cygwin includes and libs.
1461 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
1463 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
1465 2001-02-02 lars brinkhoff <lars@nocrew.org>
1467 * md.texi (Standard Names): remove reference to spur.md.
1469 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
1471 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
1472 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
1473 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
1474 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
1475 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
1477 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1479 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
1480 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
1481 number before reload.
1482 (c4x_adjust_cost): Return zero before reload.
1483 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
1484 split before reload.
1486 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1488 * c4x.c (c4x_hard_regno_rename_ok): New.
1489 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
1490 * c4x.h (HARD_REGNO_RENAME_OK): Define.
1492 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1494 * diagnostic.h: Add missing "extern" in all declarations.
1496 2001-02-02 Alex Samuel <samuel@codesourcery.com>
1498 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
1499 as for gcc_gxx_include_dir.
1501 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
1503 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
1505 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
1507 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
1508 label before alignment to be used as the braf base address.
1509 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
1511 (casesi_jump_2): Require at least TARGET_SH2.
1513 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
1514 truncation to 32-bit doubles on -m3e and -m4-single-only.
1516 2001-02-02 Mark Mitchell <mark@codesourcery.com>
1518 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
1519 the default when building a shared object.
1520 (init_spec): Use it.
1521 * testsuite/lib/g++.exp: Include the directory where libgcc
1522 is located to the LD_LIBRARY_PATH list.
1523 * invoke.texi (-shared-libgcc): Document the cases in which
1524 GCC defaults to using the shared libgcc.
1526 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
1528 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
1529 unsigned is wide enough.
1531 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
1532 (si_to_float): Likewise.
1533 (float_to_si, float_to_usi): Use BITS_PER_SI.
1535 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
1537 * dwarf2out.c: Added explanation of abbreviations.
1538 (def_cfa_1): Added comments listing DWARF2 instructions.
1539 (cfa_temp_reg): Removed in favor of cfa_temp.
1540 (cfa_temp_value): Removed in favor of cfa_temp.
1541 (cfa_temp): New global variable.
1542 (dwarf2out_frame_debug_expr): Added extensive introductory
1543 comments explaining the function's transformations. Revised to
1544 use cfa_temp. Added some rtx checking. Generalize IOR case.
1545 (dwarf2out_frame_debug): Revised to use cfa_temp.
1546 (output_aranges): Cast as "unsigned" to avoid warning.
1547 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
1548 explain which instructions must be marked.
1550 2001-02-01 Richard Henderson <rth@redhat.com>
1552 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
1555 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
1557 * config/sh/crt1.asm (main_k): Modified so that start calls
1558 ___setup_argv_and_call_main.
1560 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
1562 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
1563 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
1564 and AVOID_LPASTE is cleared on meeting an unescaped newline.
1565 * cppmacro.c (builtin_macro): Set builtin flags here.
1566 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
1567 (replace_args): Clarify intent.
1568 (cpp_get_token): Macro expansion tokens get the saved flags.
1570 * cppmain.c (scan_buffer): Remove now-redundant print.printed
1573 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
1575 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
1578 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1580 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
1581 returns Pmode pseudo, but we need ptr_mode.
1582 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
1583 Remove bogus conversions; use HOST_WIDE_INT for size.
1584 Don't use TARGET if wrong mode.
1586 * config/i386/i386.c (ix86_compute_frame_size): Allow
1587 stack_alignment_needed to be non-default even if size is zero.
1589 2001-01-31 Alan Modra <alan@linuxcare.com.au>
1591 * (hppa_init_pic_save): Emit the pic offset table
1592 reg save after last_parm_insn.
1593 * pa.c (hppa_init_pic_save): New function.
1594 * pa.h (hppa_init_pic_save): Declare.
1595 * pa.md (call, call_value, sibcall, sibcall_value): Use
1596 the above instead of duplicated code.
1598 * pa.c (hppa_encode_label): Correct size of alloca buffer
1599 so we don't overrun it. Correct leading `*' case.
1600 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
1601 need to handle `*@'.
1602 (FUNCTION_NAME_P): Likewise.
1604 2001-01-31 Richard Henderson <rth@redhat.com>
1606 * config.gcc (alpha-osf5): Use float-i128.h.
1608 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
1609 * config/float-i32.h: Likewise.
1610 * config/float-i64.h: Likewise.
1611 * config/float-sh.h: Likewise.
1612 * config/float-sparc.h: Likewise.
1614 2001-01-31 DJ Delorie <dj@redhat.com>
1616 * expmed.c (extract_bit_field): allow non-integral modes if we
1617 want to extract a whole register from itself.
1619 2001-01-31 Jakub Jelinek <jakub@redhat.com>
1621 * c-typeck.c (set_init_index): If first is equal to last, assume as
1622 if it was not a range at all.
1624 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
1626 * config/fp-bit.c: Include tm.h.
1627 (float_to_si): Don't assume SImode is 32-bits wide.
1628 (float_to_usi): Likewise.
1630 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
1632 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
1634 (typename): Call pending_xref_error after parsing typed_typespecs.
1635 * c-decl.c (lookup_tag): Give error immediately rather than
1636 leaving it pending if the tag of the wrong type is in the same
1638 (xref_tag): Don't pedwarn for forward declarations of enum types
1640 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
1643 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
1645 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
1647 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
1649 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
1650 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
1652 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
1654 * cpphash.h (struct cpp_reader): New saved_flags.
1655 * cppmacro.c (cpp_get_token): Use saved_flags to remember
1656 to avoid a paste after a pasted token.
1658 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
1660 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
1661 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
1662 Wtype_MIN instead of LONG_MIN.
1664 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
1666 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
1668 * fixinc/fixincl.x: Regenerated.
1669 * fixinc/inclhack.def (irix_limits_const): New definition to
1670 convert "const" to "__const" in limits.h.
1672 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
1674 * fixinc/genfixes (AG): Fix "autogen4" thinko.
1676 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1678 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
1679 when register dies in the insn.
1681 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
1683 * diagnostic.c (fatal): Fix word wrap.
1685 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
1687 * combine.c (try_combine): Fix SUBREG setting for
1688 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
1690 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1692 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
1695 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
1697 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
1699 * toplev.c (decode_W_option): Update warn_larger_than
1700 unconditionally for each processed switch.
1702 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
1704 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
1706 (hppa_expand_prologue): Delete code to save pic offset table register
1707 in the function prologue.
1708 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
1709 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
1710 table register at the beginning of the function after the prologue.
1712 2001-01-29 lars brinkhoff <lars@nocrew.org>
1714 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
1716 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
1717 Jeff Law <law@redhat.com>
1719 * pa.md (return): Revise comment for trivial return.
1720 (return_internal): Non-trivial return pattern for non-PIC code.
1721 (return_internal_pic): Non-trivial return pattern for PIC code.
1722 It uses the PIC register to ensure it is restored after
1724 (epilogue): Generate appropriate return for PIC and non-PIC code.
1726 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
1728 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
1730 2001-01-29 DJ Delorie <dj@redhat.com>
1732 * combine.c (if_then_else_cond): Pass the correct mode to
1733 operand_subword() for constants.
1735 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
1737 * config/i386/cygwin.h: Add w32api to include search. Search different
1738 directories in a cross-build environment.
1740 2001-11-29 Tim Josling <tej@melbpc.org.au>
1742 * tree.h (TYPE_STUB_DECL): Add documentation.
1744 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
1746 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
1747 (sdbout_field_types): Likwise. Fix use of host_integerp.
1749 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
1751 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
1754 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
1756 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
1757 to use flag_gnu_linker.
1759 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
1761 * cpplib.c (T_BAD_DIRECTIVE): Remove.
1762 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
1764 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
1766 * tree.c, tree.h (build_parse_node): Remove; was identical to
1768 * c-lang.c (start_cdtor), objc/objc-act.c
1769 (build_module_descriptor): Use build_nt instead of
1772 2001-01-29 Jakub Jelinek <jakub@redhat.com>
1774 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
1775 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
1776 not have any upper bits set.
1778 2001-01-29 Phil Edwards <pme@sources.redhat.com>
1780 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
1782 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1784 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
1786 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
1788 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
1789 (integer_minus_one_node): Define.
1791 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
1793 * Makefile.in (bootstrap2-lean): Fix typo.
1795 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
1797 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
1798 : Don't set fe_value.
1799 * cpplib.h (AVOID_LPASTE): New flag.
1800 (struct cpp_hashnode): Remove fe_value.
1801 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
1802 * cppmacro.c (builtin_macro): Don't set flags here.
1803 (replace_args): Set AVOID_LPASTE flag on first token of an
1804 argument, and the token following it.
1805 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
1806 macro expansion, and on the token following it. Do it for
1808 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
1810 2001-01-27 Richard Henderson <rth@redhat.com>
1812 * config/alpha/t-ieee: Remove multilibbing.
1813 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
1815 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1817 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
1819 * Makefile.in: Remove all dependencies on defaults.h.
1820 * builtins.c: Don't include defaults.h.
1821 * c-common.c: Likewise.
1822 * c-decl.c: Likewise.
1823 * c-pragma.c: Likewise.
1824 * c-typeck.c: Likewise.
1825 * combine.c: Likewise.
1827 * frame-ia64.c: Likewise.
1828 * cppexp.c: Likewise.
1829 * crtstuff.c: Likewise.
1830 * dbxout.c: Likewise.
1831 * dwarf2out.c: Likewise.
1832 * dwarfout.c: Likewise.
1833 * emit-rtl.c: Likewise.
1834 * except.c: Likewise.
1836 * final.c: Likewise.
1837 * frame-dwarf2.c: Likewise.
1838 * libgcc2.c: Likewise.
1839 * optabs.c: Likewise.
1840 * profile.c: Likewise.
1841 * sdbout.c: Likewise.
1842 * toplev.c: Likewise.
1843 * tradcif.y: Likewise.
1845 * varasm.c: Likewise.
1847 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1849 * builtins.c (expand_builtin_fputs): Use size_one_node when
1850 transforming into fwrite.
1852 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
1854 * extend.texi (Attribute Syntax): New section.
1856 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
1858 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
1859 they didn't need fixing.
1861 2001-01-27 Janis Johnson <janis@us.ibm.com>
1863 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
1865 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
1866 to remove macro definitions that are duplicated from elfos.h.
1868 2001-01-27 Richard Henderson <rth@redhat.com>
1870 * config/i386/sco5gas.h: Move ...
1871 * config/usegas.h: ... here.
1872 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
1874 2001-01-27 Jakub Jelinek <jakub@redhat.com>
1876 * c-typeck.c (struct constructor_stack): Add range_stack member.
1877 (really_start_incremental_init): Clear it.
1878 (push_init_level): Save constructor_range_stack and clear it if
1879 pushing explicit braces.
1880 (pop_init_level): abort if constructor_range_stack is non-zero at
1881 explicit closing brace. Restore saved constructor_range_stack if
1884 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
1886 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
1887 into register was forced into memory.
1889 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
1891 * Makefile.in: Remove uses of + before $(MAKE).
1893 2001-01-26 Richard Henderson <rth@redhat.com>
1895 * stmt.c (cost_table): Remove.
1896 (COST_TABLE, cost_table_initialized): New.
1897 (estimate_case_costs): Use the later instead of the former.
1898 (balance_case_nodes): Likewise.
1900 2001-01-26 Richard Henderson <rth@redhat.com>
1902 * alias.c (objects_must_conflict_p): Read-only slots may not
1903 conflict despite having the same type.
1905 2001-01-27 Michael Hayes <mhayes@redhat.com>
1907 * loop.c (loop_giv_reduce_benefit): Copy mode size into
1909 (check_ext_dependant_givs): Initialise u_start_val and
1911 (load_mems): Make last_max_reg unsigned.
1912 (try_swap_copy_prop): Use INSN_P and initialise set.
1914 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
1916 * README.AVR : Removed.
1918 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
1920 * pa-64.h (text_section): Remove declaration.
1922 * pa.md (return_internal): Remove mode on PIC register use.
1924 2001-01-25 lars brinkhoff <lars@nocrew.org>
1926 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
1927 ASM_CLOSE_PAREN): fix typos.
1929 2001-01-25 Mark Mitchell <mark@codesourcery.com>
1931 * acconfig.h: Define `const' to the empty string if neither
1932 __STDC__ nor __cplusplus is defined.
1933 * config.in: Regenerated.
1935 2001-01-25 David Edelsohn <edelsohn@gnu.org>
1937 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
1938 * collect2.c (main): Delete importf. Add ".obj" file extension.
1939 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
1940 (aix_std_libs): Add additional AIX libraries to skip.
1941 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
1942 * config/rs6000/aix51.h: New file.
1944 2001-01-25 Michael Hayes <mhayes@redhat.com>
1946 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
1947 (loop_insn_emit_before): No longer static.
1948 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
1949 (loop_givs_rescan, load_mems): Likewise.
1950 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
1951 (maybe_eliminate_biv_1):
1952 (move_movables): Replace emit_call_insn_before with
1953 loop_call_insn_hoist.
1954 * loop.h (loop_insn_emit_before): Add.
1955 * unroll.c (copy_loop_body): Replace emit_insn_before with
1956 loop_insn_emit_before.
1958 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
1960 * diagnostic.c (fatal): Request preprocessed source.
1962 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
1964 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
1965 olddecl has argument types and newdecl has none, use the argument
1968 2001-01-24 Ulrich Drepper <drepper@redhat.com>
1970 * dwarf2out.c (prefix_of): New function. Determine longest common
1971 prefix of the two arguments. The units are whole path components.
1972 (output_file_names): When adding a new directory find the one entry
1973 with the longest common prefix already in the list. Artificially
1974 generate entry if there is none for this prefix.
1975 Fix test to check whether the zeroth directory entry is used.
1977 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
1979 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
1980 Changed all callers. Take it into account when deciding if a
1981 previously loaded value matches.
1983 2001-01-24 Richard Henderson <rth@redhat.com>
1985 * reload.c (find_reloads_subreg_address): Fail the substitution
1986 if the resulting address is insufficiently aligned.
1988 2001-01-24 DJ Delorie <dj@redhat.com>
1990 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
1991 check the original operand's mode also.
1992 * simplify-rtx.c (simplify_ternary_operation): Ditto.
1994 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
1996 * c-parse.in (cast_expr): Move compound literals from here ...
1997 (primary): ... to here. Use standard terminology "compound
1998 literal" instead of "constructor expression".
2000 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
2002 * gcc.1, cpp.1: Regenerate.
2004 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
2006 * calls.c (emit_library_call_value_1): Memory slot for
2007 pass-by-reference argument should have the mode of the argument,
2008 not of the pointer to it.
2010 2001-01-24 Tom Tromey <tromey@redhat.com>
2012 * gcc.texi (G++ and GCC): Mention gcj manual.
2013 (Standards): Link to section of manual mentioning gcj/Java
2016 2001-01-24 Jakub Jelinek <jakub@redhat.com>
2018 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
2019 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
2020 * tradcpp.c (main): Add -imacros or -include'd dependencies
2022 * cpp.texi (-M, -MM): Document -M -include behaviour.
2024 2001-01-24 Roger Collins <roger@ProProject.com>
2026 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
2028 2001-01-24 Will Cohen <wcohen@redhat.com>
2030 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
2031 whether registers are 32 bits or 64 bits in size.
2033 2001-01-24 Ben Elliston <bje@redhat.com>
2035 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
2037 2001-01-24 Richard Henderson <rth@redhat.com>
2039 * config/alpha/alpha.md (builtin_longjmp_internal): New.
2040 (builtin_longjmp): Use it instead of emit_indirect_jump.
2042 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
2044 * bb-reorder.c (make_reorder_chain_1): Handle case where
2045 jump edge goes to the same block as the fallthru edge.
2047 2001-01-23 Jim Wilson <wilson@redhat.com>
2049 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
2050 * frame.h (__ia64_personality_v1): Add prototype.
2051 * libgcc2.c (ia64_throw_helper): Change personality declaration to
2052 prototype form. Add void * cast to first argument to personality
2054 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
2055 (asctoe113): Likewise.
2056 * config/ia64/frame-ia64.c: Include eh-common.h.
2057 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
2059 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
2061 (itanium_split_issue): Add prototype.
2062 (gen_nop_type): Ifdef out.
2063 (find_best_packet): Initialize best_packet.
2064 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
2066 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
2067 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
2068 (flushrs): Add explicit stop bit at end.
2069 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
2072 2001-01-23 Chris Demetriou <cgd@broadcom.com>
2074 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
2076 * libgcc2.c (__terminate_func): Make variable static.
2077 (__terminate_set_func): New function to set __terminate_func.
2078 * libgcc2.h (__terminate_func_ptr): New typedef.
2079 (__terminate_set_func): New function.
2081 2001-01-23 Richard Henderson <rth@redhat.com>
2083 * flow.c (init_propagate_block_info): Don't consider unchanging
2084 memories for dead frame store elimination.
2086 2001-01-23 Richard Henderson <rth@redhat.com>
2088 * varasm.c (UNIQUE_SECTION): Move default implementation ...
2089 * defaults.h: ... here.
2091 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2093 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
2095 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
2097 * c-lex.c (lex_charconst): Fix typo: s/p/str.
2099 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2101 * rs6000.h (rs6000_return_addr): Move prototype from here...
2102 * rs6000-protos.h (rs6000_return_addr): ...to here.
2103 (rs6000_init_expanders): Delete prototype.
2105 2001-01-23 Nick Clifton <nickc@redhat.com>
2107 * invoke.texi: Replace , with \, inside @gccoptlist macros.
2108 (Spec Files): Document %B and %j and %. and %v3 and %M and
2109 %{S*&T} spec switches.
2111 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2113 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
2115 2001-01-23 Chris Demetriou <cgd@sibyte.com>
2116 Neil Booth <neil@daikokuya.demon.co.uk>
2118 * cpperror.c: Merge handlers of PEDWARN and WARNING.
2119 Have -Werror make pedantic warnings errors, like the
2122 2001-01-23 Phil Edwards <pme@sources.redhat.com>
2124 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
2126 2001-01-23 Jakub Jelinek <jakub@redhat.com>
2128 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
2129 * integrate.c (expand_inline_function): Initialize them.
2130 (subst_constants): If changing COMPARE so that both its arguments
2131 will be VOIDmode and the comparison mode will be lost, note
2132 compare_mode. Use the recorded compare_mode to optimize
2135 2001-01-23 Jason Merrill <jason@redhat.com>
2137 * dwarf2out.c (new_die): Use xcalloc.
2138 (output_die): Abort rather than emit a local reference to offset 0.
2140 2001-01-17 Andrew Haley <aph@redhat.com>
2142 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
2143 of a saved register; return NULL instead.
2144 (copy_reg): Take a pointer to a source register rather than a
2146 (next_stack_level): Remember the address in the stack frame of all
2148 Use the saved register pointer array as the source of the CFA.
2149 (throw_helper): Rewrite. Unwind once rather than twice and keep
2150 track of saved registers as we go.
2152 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2154 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
2155 * c4x.c (c4x_legitimize_reload_address): Remove.
2156 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
2157 reload address for ldp(k) insn.
2159 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
2161 * pa.md (return_internal): Add a USE of the PIC register to ensure
2162 it is restored after each call.
2163 (return expander): Corresponding changes.
2165 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2167 * rs6000.h (INIT_EXPANDERS): Delete.
2168 (RETURN_ADDR_RTX): Call rs6000_return_addr().
2169 * rs6000.c (rs6000_override_options): Call *_machine_status from
2171 (rs6000_init_expanders): ...instead of here. Delete.
2172 (rs6000_mark_machine_status): New function.
2173 (rs6000_init_machine_status): Use xcalloc.
2174 (rs6000_return_addr): Generate RTX for the return address.
2175 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
2176 (rs6000_stack_info): Use it.
2178 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
2180 * gthr-win32.h: Include errno.h to get a declaration for
2181 EINVAL and _mingw.h if the target is mingw32.
2183 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
2185 * cpp.texi: Correct typos.
2187 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2189 * explow.c (probe_stack_range): Ensure value passed to
2190 stack_check_libfunc is ptr_mode, not Pmode.
2192 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
2194 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
2195 case, don't use operand_subword to calculate a SUBREG that is
2198 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
2200 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2202 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
2203 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
2204 valid. If not replace it by equivalent insns.
2206 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2208 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
2209 contains SYMBOL_REF, LABEL_REF and CONST_INT.
2210 (c4x_U_constraint, symbolic_address_operand): Likewise.
2211 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
2213 (c4x_r11_set_p, c4x_check_laj_p): New functions.
2214 * c4x-protos.h (c4x_check_laj_p): Add prototype.
2215 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
2216 anulling slot because of silicon bug.
2217 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
2219 2001-01-22 Alan Modra <alan@linuxcare.com.au>
2221 * cppexp.c (parse_charconst): Change `mask' type to agree
2224 2001-01-21 Richard Henderson <rth@redhat.com>
2226 * config/i386/i386.c (ix86_asm_file_end): Disable putting
2227 pic_label_name in a linkonce section.
2229 2001-01-17 Philipp Thomas <pthomas@suse.de>
2231 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
2233 * configure: Regenerate.
2235 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
2237 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
2238 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
2240 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
2242 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
2243 If REVERSE nonzero then condition code in X must be reversed.
2244 (encode_section_info): Optimise if/else.
2245 (avr_function_value): Fix formatting.
2247 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
2248 (difficult_branch): Likewise.
2249 (rvbranch): Likewise.
2250 (difficult_rvbranch): Likewise.
2252 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
2254 * config/avr/libgcc.S: Fix comment.
2256 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
2258 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
2260 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
2262 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
2264 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
2266 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
2267 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
2268 * configure, config.in: Regenerate.
2269 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
2270 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
2271 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
2272 (doprint.o): New rule.
2274 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
2276 * c-typeck.c (digest_init): Handle boolean types as scalars.
2278 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2280 * stmt.c (expand_return): Don't return anything if size is zero.
2281 Delete redundant assignment to BYTES.
2282 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
2284 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
2286 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
2287 the same as the default library function names.
2288 * config/avr/avr.md: Document special characters after '%'.
2289 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
2290 knowing which of the call-used registers are really clobbered.
2291 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
2292 New. Both quotient and remainder from one libgcc.S call.
2293 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
2294 clobber as few registers as possible.
2295 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
2297 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
2299 * cppmacro.c (funlike_invocation_p): Don't move back up to the
2300 context of the top of the stack.
2302 2001-01-20 Jakub Jelinek <jakub@redhat.com>
2304 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
2305 (fixup_var_refs_insns): ...here.
2307 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
2309 * function.c (fixup_var_refs_insns): Break up into
2310 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
2311 [loop over entire insn list], and fixup_var_refs_insns_with_hash
2312 [loop over hash table entries].
2313 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
2314 fixup_var_refs_insns_with_hash, to match above changes.
2316 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
2318 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
2319 (libgcc.a): Likewise.
2320 (stmp-multilib): Likewise.
2321 (STAGE2_FLAGS_TO_PASS): Likewise.
2323 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
2325 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
2326 temporary if no_new_pseudos.
2328 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
2330 * cppinternals.texi: Update.
2332 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
2334 * arm.c (arm_init_builtins): Re-enable builtins.
2336 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2338 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
2339 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
2340 element to be null, and always expect an EXPR_LIST.
2341 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
2342 * sched-deps.c (sched_analyze_1): Likewise.
2343 * sched-rgn.c (check_live_1, update_live_1): Likewise.
2345 * regclass.c (max_set_parallel): New variable.
2346 (reg_scan): Take it into account in computation of max_parallel.
2347 (reg_scan_mark_refs, case SET): Compute it.
2349 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
2351 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
2352 * function.c (assign_parms): Use INTVAL for a CONST_INT.
2354 2001-01-19 Jason Merrill <jason@redhat.com>
2356 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
2357 for the abstract instance of an inline function.
2359 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
2360 J"orn Rennecke <amylaar@redhat.com>
2362 * reload1.c (move2add_note_store): Treat all registers directly or
2363 indirectly derived from a base register as members of the same set
2365 (reload_cse_move2add): Adjust accordingly. Take mode and offset
2366 of base register into account.
2368 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
2370 * alias.c (find_base_value): Recognize TRUNCATE.
2371 (record_set): In PLUS case, invalidate if other summand is also a
2374 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2376 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
2377 entry to be EXPR_LIST.
2378 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
2379 be an EXPR_LIST (but not null, which other code doesn't allow).
2380 (note_stores): Properly handle PARALLEL in SET.
2381 Recursively call for top-level PARALLEL.
2382 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
2383 * sched-rgn.c (check_live_1, update_live_1): Likewise.
2385 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
2387 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
2389 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
2390 not pfile->skipping (== 0).
2392 2001-01-17 Nick Clifton <nickc@redhat.com>
2394 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
2397 2001-01-17 Jim Wilson <wilson@redhat.com>
2399 * invoke.texi (IA-64 options): Improve.
2401 2001-01-17 Tom Tromey <tromey@redhat.com>
2403 * invoke.texi (Optimize Options): Use `{}' to around @samp
2406 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
2408 * invoke.texi (-fno-guess-branch-probability): New option.
2410 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2412 * combine.c (try_combine): Don't set i3_subst_into_i2 for
2413 case of making new double-word constant.
2414 Revert last change: instead just test i3_subst_into_i2.
2416 2001-01-17 Jakub Jelinek <jakub@redhat.com>
2418 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
2419 Use q constraints instead of r.
2421 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
2423 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
2424 (machine_function): Define.
2425 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
2426 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
2427 pa_free_machine_status): New functions.
2428 (override_options): Set {init,mark,free}_machine_status to above.
2429 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
2430 PIC_OFFSET_TABLE_REGNUM_SAVED.
2431 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
2432 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
2433 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
2434 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
2435 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
2437 2001-01-15 DJ Delorie <dj@redhat.com>
2439 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
2443 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2445 * flow.c (propagate_on_insn): Make trying to delete a prologue
2446 or epilogue insn an ICE, not a warning. Allow doing this if
2447 the current function returns with stack pointer depressed.
2449 * combine.c (try_combine): If i3_subst_into_i2, properly check for
2450 I3 having more than one SET.
2452 2001-01-16 Jim Wilson <wilson@redhat.com>
2454 * invoke.texi: Document IA-64 options.
2456 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
2457 (fixup_errata): Delete TARGET_A_STEP use.
2458 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
2459 (TARGET_SWITCHES): Delete -ma-step option.
2460 * config/ia64/ia64.md (all FP patterns): Delete %B0.
2461 (movqicc_astep, movqi_internal_astep, movhicc_astep,
2462 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
2463 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
2464 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
2465 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
2467 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
2468 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
2469 cmovsi_internal): Delete ! TARGET_A_STEP check.
2471 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2473 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
2474 possibility to report bugs via postal mail. Change a URL and
2475 merge in a nearly duplicate statement...
2476 (Bug Reporting): ...from here.
2477 (Service): Refer to the Bug Reporting section instead of
2479 (Contributing): Remove trivial explanations concerning snapshots.
2481 2001-01-16 Alan Modra <alan@linuxcare.com.au>
2483 * cppmain.c (general_init): Don't use ANSI prototype.
2485 2001-01-16 Tom Tromey <tromey@redhat.com>
2487 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
2489 2001-01-16 Richard Henderson <rth@redhat.com>
2491 * config/i386/i386.h: Fix comment typo.
2492 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
2493 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
2495 2001-01-16 Phil Edwards <pme@sources.redhat.com>
2497 * gcc.c: Revert previous -fsyntax-only-related change; move
2500 2001-01-16 Jakub Jelinek <jakub@redhat.com>
2502 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
2503 inmode after checking GET_CODE (op).
2505 2001-01-16 Richard Henderson <rth@redhat.com>
2507 * flow.c (struct propagate_block_info): Add mem_set_list_len.
2508 (MAX_MEM_SET_LIST_LEN): New.
2509 (propagate_one_insn): Update mem_set_list_len.
2510 (invalidate_mems_from_autoinc): Likewise.
2511 (invalidate_mems_from_set): Likewise.
2512 (mark_used_regs): Likewise.
2513 (init_propagate_block_info): Likewise. Stop collecting memories
2514 when we reach MAX_MEM_SET_LIST_LEN.
2515 (mark_set_1): Likewise.
2517 2001-01-16 Richard Henderson <rth@redhat.com>
2519 * unroll.c (precondition_loop_p): Fail if no iteration
2522 2001-01-16 Phil Edwards <pme@sources.redhat.com>
2524 * gcc.c: When -fsyntax-only is given, do not complain about
2527 2001-01-15 Richard Henderson <rth@redhat.com>
2529 * config/i386/i386.c (asm_output_function_prefix): Remove.
2530 (ix86_asm_file_end): New.
2531 (load_pic_register): Generate pic_label_name into a
2532 staticly allocated buffer.
2533 * config/i386/i386-protos.h: Update.
2534 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
2535 (ASM_FILE_END): New.
2536 * config/i386/i386afe.h: New file.
2537 * config.gcc (i?86-*-elf) [tm_file]: Use it.
2538 (i?86-*-{freebsd,linux*,moss*}): Likewise.
2539 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
2540 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
2541 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
2542 * config/i386/sco5.h (ASM_FILE_END): Likewise.
2543 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
2545 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
2547 * Makefile.in (install-man): Remove explicit dependency on
2550 * configure.in, configure: Revert previous patch requiring perl
2553 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
2555 * toplev.c (flag_guess_branch_prob): New.
2556 (f_options): Add guess-branch-probability option.
2557 (rest_of_decl_compilation): Only estimate branch probability if
2559 (main): set flag_guess_branch_prob.
2561 * flags.h (flag_guess_branch_prob): New.
2563 2001-01-15 DJ Delorie <dj@redhat.com>
2565 * gcc.texi (Makefile): Add documentation for Makefile targets.
2567 2001-01-15 Philip Blundell <philb@gnu.org>
2569 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
2571 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
2572 (is_pic): Delete declaration.
2573 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
2574 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
2575 * config/arm/arm.md (builtin_setjmp_receiver): New.
2577 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
2579 * arm.c (use_return_insn): Don't try to determine the function type
2580 until after reload has completed.
2581 (arm_output_epilogue): Don't adjust the sp value recovered from the
2583 (emit_multi_reg_push): Don't record dwarf information for the pc.
2584 * arm.md (eh_epilogue): The function type may have changed, so it
2585 needs to be recalculated.
2586 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
2587 unwind tables on arm/netbsd.
2589 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
2591 * arm.md (cbranchsi4): Correct calculation of branch ranges.
2592 (negated_cbranchsi4): Likewise.
2594 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
2596 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
2597 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
2598 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
2599 pass -mapcs-* options to assembler.
2600 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
2601 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
2602 (ASM_SPEC): Call subtarget_extra_asm_spec.
2604 2001-01-15 Andreas Jaeger <aj@suse.de>
2606 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
2608 (ix86_expand_builtin): Likewise.
2610 * gencodes.c (output_predicate_decls): Make i size_t to avoid
2611 warning about comparison between signed and unsigned.
2613 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
2615 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
2617 2001-01-14 Ralf Baechle <ralf@gnu.org>
2619 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
2620 SUBTARGET_CPP_SPEC apropriatly.
2622 2001-01-12 Mark Mitchell <mark@codesourcery.com>
2624 * varasm.c (make_decl_rtl): Fix typo in last change.
2626 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
2628 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
2629 linker supports the init_priority C++ attribute.
2630 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
2631 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
2632 linker does not support init_priority C++ attribute.
2634 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
2636 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
2638 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
2640 * c-parse.in (finish_parse): Add comment about cpp_destroy.
2641 * cp/lex.c (finish_parse): Similarly.
2642 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
2643 Return the number of errors encountered.
2644 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
2645 * cppmain.c (main): Don't call cpp_destroy.
2647 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
2649 * configure.in: Require at least perl 5.6.0 to regenerate
2651 * configure: Regenerate.
2653 2001-01-14 Richard Henderson <rth@redhat.com>
2655 * genrecog.c (DT_veclen_ge): New.
2656 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
2657 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
2658 (nodes_identical_1): Handle DT_veclen_ge.
2659 (write_cond, debug_decision_2): Likewise.
2661 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
2663 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
2665 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
2667 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
2669 * cppmain.c (do_preprocessing): New function; most of the old
2671 (main): Call it to do most of the work.
2672 (cb): Move from global scope to set_callbacks ().
2673 (setup_callbacks): Get the callback pointer.
2674 (general_init, printer_init): Clean up code and comments.
2676 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
2678 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
2681 2001-01-14 Kazu Hirata <kazu@hxi.com>
2683 * config/h8300/h8300.c (get_shift_alg): Update comments.
2685 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2687 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
2688 (alloc_page, ggc_alloc): Add casts to remove warnings.
2690 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
2692 * combine.c (simplify_comparison): Don't change `code' when
2693 can't reverse comparison.
2695 2001-01-14 Richard Henderson <rth@redhat.com>
2697 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
2698 update all call sites. Return true for all non-label constants.
2700 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
2702 * i386.c (ix86_expand_compare): Add bypass_test and second_test
2704 (ix86_expand_branch): Update.
2705 (ix86_expand_setcc): Update to handle multiple test conditions.
2706 (expand_int_movcc): Likewise.
2707 (expand_fp_movcc): Likewise.
2708 * i386-protos.h (ix86_expand_compare): New.
2709 * i386.md (andqi_?_slp, orqi_?_slp): New.
2710 (conditional trap expander): Update call to ix86_expand_compare.
2712 2001-01-14 Richard Henderson <rth@redhat.com>
2714 * config/vax/vax.md: Use nonimmediate_operand instead of
2715 general_operand in destinations.
2717 * config/vax/vax.md (indirect_jump): Use register_operand.
2719 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
2720 * config/vax/vax.md (call_pop): Turn into an expander.
2721 (call_value_pop): Likewise.
2722 (call, call_value): New.
2724 2001-01-14 Andreas Jaeger <aj@suse.de>
2726 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
2728 (ix86_fp_compare_mode): Add unused attribute.
2729 (ix86_expand_fp_movcc): Remove unused variable.
2730 (ix86_expand_builtin): Make fcode unsigned.
2732 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
2733 (expand_expr): Add cast to avoid signed warning.
2734 (store_field): Likewise.
2735 (store_constructor_field): Likewise.
2736 (store_constructor): Likewise.
2737 (store_expr): Likewise.
2738 (clear_storage): Likewise.
2739 (emit_group_store): Likewise.
2740 (emit_group_load): Likewise.
2742 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
2744 * c-common.c: Move format checking code to ...
2745 * c-format.c: ... here. New file. Reorder some functions and
2747 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
2749 * c-common.h (decl_handle_format_attribute,
2750 decl_handle_format_arg_attribute): Declare.
2751 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
2752 (c-common.o): Adjust dependencies.
2753 (c-format.o): New list of dependencies.
2755 2001-01-13 Jakub Jelinek <jakub@redhat.com>
2757 * unroll.c (loop_iterations): If we cannot prove iteration variable
2758 is set once in each iteration, punt.
2760 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
2762 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
2763 (*strlenhi): Remove clobber (which was buggy) of output address.
2765 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
2767 * Makefile.in (generated-manpages): Add gcc.1
2768 ($(srcdir)/gcc.1): New target.
2769 (maintainer-clean): Delete $(srcdir)/gcc.1.
2770 * gcc.texi: Add macros @gccoptlist and @gol.
2771 * invoke.texi: Include option summary in manpage. Mark up option
2772 summary with @gccoptlist and @gol. Use @r in one place where
2774 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
2775 * gcc.1: Generate from invoke.texi.
2777 2001-01-13 Richard Henderson <rth@redhat.com>
2779 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
2780 (struct page_entry): Add group member.
2781 (struct page_group): New.
2782 (struct globals): Add page_groups member.
2783 (alloc_anon): Only define for using mmap; remove valloc call.
2784 (page_group_index): New.
2785 (set_page_group_in_use): New.
2786 (clear_page_group_in_use): New.
2787 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
2788 (free_page, release_pages): Likewise.
2789 * configure.in (with-gc): Default to ggc-page always.
2791 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
2793 * reload1.c (replace_pseudos_in_call_usage): Use
2794 reg_equiv_constant and reg_equiv_address, and don't try
2795 regno_reg_rtx first.
2797 2001-01-13 Richard Henderson <rth@redhat.com>
2799 * ggc-page.c (alloc_page): Round up allocation size to one page.
2800 Set e->order on extra pages.
2802 2001-01-13 Richard Henderson <rth@redhat.com>
2804 * genrecog.c (nodes_identical): Expand commentary.
2805 (write_switch): Watch out for identical nodes.
2807 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
2809 * cppfiles.c (_cpp_fake_include): New function.
2810 * cpphash.h (_cpp_fake_include): New.
2811 * cpplib.c (do_line): Call _cpp_fake_include when entering
2812 header files in preprocessed input.
2813 * cppmain.c (cb_pragma_implementation): Remove handling.
2814 (setup_callbacks): Don't register pragmas.
2816 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
2818 * extend.texi: Udate for CPP.
2820 2001-01-13 Andreas Jaeger <aj@suse.de>
2822 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
2824 * regmove.c: Add prototype for replace_in_call_usage.
2826 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
2828 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
2829 struct cpp_chunk, struct htab, struct toklist,
2830 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
2831 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
2832 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
2833 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
2834 (struct macro_args): Delete.
2835 * cpphash.h: See above.
2837 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
2839 * cppmain.c (struct printer): Remove no_line_dirs.
2841 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
2842 : Use options rather than CPP_OPTION.
2843 (setup_callbacks): Use cb rather than pfile->cb.
2844 (main): No need to check for a buffer. Use cpp_errors.
2845 (printer_init): Don't set no_line_dirs.
2846 (maybe_print_line): Use options not no_line_dirs.
2847 (cb_file_change): Don't call print_line if -P.
2849 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
2851 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
2853 * c-parse.in (finish_parse): Use cpp_errors.
2854 (__yylex): Use return value of cpp_pop_buffer.
2855 * cp/lex.c (finish_parse): Use cpp_errors.
2856 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
2858 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
2860 * README.AVR: URLs corrected.
2862 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2864 * c-decl.c (start_function): Don't warn if old prototype is builtin
2865 that's not in C's namespace.
2866 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
2867 (_bb): Add prototype for ctime.
2868 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
2870 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
2872 * i386.c (ix86_fp_comparison_arithmetics_cost,
2873 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
2874 ix86_fp_comparison_cost): New functions.
2875 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
2876 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
2877 two-branch sequences; make static.
2878 (ix86_use_fcomi_compare): Do decision according to the costs.
2879 (split_fp_branch): New.
2880 * i386.md (compare-and-branch patterns): Use split_fp_branch.
2881 * i386-protos.h (ix86_expand_fp_compare): Remove
2882 (ix86_split_fp_branch): Declare.
2884 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
2885 and ix86_comparison_operator.
2887 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
2890 * i386.c (put_condition_code): Output properly the unordered/ordered
2891 compares in fp case.
2892 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
2894 * tm.texi (REVERSE_CONDITION): Document.
2895 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
2896 in -ffast-math mode.
2897 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
2899 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
2901 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
2903 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
2906 * config/sh/sh.c (mova_p): Fix test for mova_const.
2908 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
2910 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
2911 cpp_get_options rather than dereferencing pfile and using
2913 * scan-decls.c (scan_decls): Use return value of
2914 cpp_pop_buffer rather than CPP_BUFFER.
2916 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
2918 * cppinit.c (cpp_handle_option): help_only is now part of the
2919 cpp_options structure.
2920 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
2921 cpp_set_callbacks): New functions.
2922 * cpplib.h (cpp_callbacks): Break out as a named structure.
2923 (cpp_options): Move help_only here from cpp_reader.
2924 (CPP_FATAL_ERRORS): Update to use cpp_errors.
2925 (cpp_errors, cpp_get_options, cpp_get_callbacks,
2926 cpp_set_callbacks): New prototypes.
2927 * cppmain.c (main): Update for help_only.
2929 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
2931 * Makefile.in (info, maintainer-clean, install-info, uninstall):
2932 Also build and remove and install and uninstall c-tree.info and
2934 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
2935 ($(srcdir)/cppinternals.info): New target.
2936 * c-tree.texi: Change file name used when makeinfo used without -o
2937 from ir.info to c-tree.info. Add info directory entry.
2938 * cppinternals.texi: Add info directory entry.
2939 * .cvsignore: Update.
2941 2001-01-12 Jakub Jelinek <jakub@redhat.com>
2943 * c-typeck.c (store_init_value): Don't require constant initializer
2944 elements with -pedantic -std=c99.
2945 (digest_init): Change error about non-constant initializer elements
2947 (constructor_range_end): Remove.
2948 (constructor_incremental, designator_depth,
2949 designator_errorneous): New variables.
2950 (struct constructor_stack): Remove range_end, add incremental.
2951 (struct constructor_range_stack, constructor_range_stack): New.
2952 (struct initializer_stack): Add constructor_range_stack.
2953 (finish_init): Set it.
2954 (start_init): Likewise. require_constant_elements for non-static
2955 trees only if not flag_isoc99.
2956 (really_start_incremental_init): Remove constructor_range_end, add
2957 constructor_incremental.
2958 (pop_init_level): Likewise.
2959 (push_init_level): Likewise. If implicit and the subobject had some
2960 value set already, preinitialize the level with it.
2961 Warn about missing braces only if not pushing due to designators.
2962 (set_designator, push_range_stack): New functions.
2963 (set_init_label): Use them.
2964 (set_init_index): Likewise. Remove constructor_range_end.
2965 Error if designator index is outside of array bounds.
2966 (add_pending_init): Compare values of purpose index trees, not the
2967 trees themselves. Allow overwriting of already initialized element.
2968 Issue a warning if it had side-effects.
2969 (set_nonincremental_init, set_nonincremental_init_from_string): New
2971 (pending_init_member): Rename to...
2972 (find_init_member): ...this function. Call set_nonincremental_init
2973 if necessary. Compare values of purpose index trees, not the trees
2974 themselves. Return the actual value, not just non-zero if something
2976 (output_init_element): Remove checks for duplicates.
2977 If field has zero size, only check the initializer for correctness.
2978 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
2979 if constructor_incremental is zero. Change error about initializers
2980 not computable at load time into pedwarn.
2981 (output_pending_init_elements): Compare bit positions, not
2982 FIELD_DECLs to take into account zero-sized fields.
2983 (process_init_element): Use constructor_range_stack to fill all
2984 ranges in the designator lists from current level up.
2985 * extend.texi: Update documentation for labeled elements.
2987 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
2989 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
2990 to function usage for arguments passed by reference. Optimize
2991 callee-copied arguments.
2992 * regmove.c (replace_in_call_usage): New function.
2993 (fixup_match_1): Call it.
2994 * cse.c (cse_insn): Canonicalize registers in function usage.
2995 * reload1.c (replace_pseudos_in_call_usage): New function.
2998 * Makefile.in: Reverted yesterday's wrong patch. Installed the
3001 2001-01-12 Jakub Jelinek <jakub@redhat.com>
3003 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
3006 2001-01-12 DJ Delorie <dj@redhat.com>
3008 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
3009 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
3012 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
3014 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
3015 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
3016 -std options alongside references to -ansi. Update some
3017 documentation for C99.
3018 * cpp.1: Regenerate.
3020 2001-01-12 Andreas Jaeger <aj@suse.de>
3022 * haifa-sched.c (restore_line_notes): Remove argument block B
3024 * sched-ebb.c (schedule_ebb): Change caller.
3025 * sched-rgn.c (schedule_region): Likewise.
3026 * sched-int.h (restore_line_notes): Adjust prototype.
3028 * loop.h: Remove wrong declaration of doloop_condition_get.
3030 2001-01-12 Phil Edwards <pme@sources.redhat.com>
3032 * extend.texi: Move C++-extension-related node from the C section
3033 into the C++ section.
3035 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
3037 * extend.texi: Refer to an array of pointers to functions instead
3038 of one of functions.
3040 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
3041 Jan Hubicka <jh@suse.cz>
3043 * combine.c (reversed_comparison): Fix typo in last patch.
3045 (combine_reversed_comparison_code): Make static to follow
3046 prototype declaration.
3048 2001-01-12 Phil Edwards <pme@sources.redhat.com>
3050 * install.texi: Remove misplaced duplicate entry.
3052 2001-01-11 Ulrich Drepper <drepper@redhat.com>
3054 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
3056 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
3058 * final.c: (leaf_function_p): Fix typo.
3060 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
3062 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
3063 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
3065 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
3066 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
3067 mmap_anon, and valloc is available.
3068 * ggc-page.c: Restructure ifdef logic to match new autoconf
3069 spec. Don't throw away the test page in init_ggc.
3071 * configure, config.in: Regenerate.
3073 2001-01-12 Michael Hayes <mhayes@redhat.com>
3075 * loop.h (total_biv_increment): Constify iv_class pointer.
3076 (struct induction): Replace `mem_mode' with `mem' rtx.
3077 * unroll.c (total_biv_increment): Constify iv_class pointer.
3078 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
3079 (find_mem_givs, combine_givs_p): Likewise.
3080 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
3082 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
3084 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
3086 (__gthread_getspecific): Ditto.
3088 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
3090 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
3091 put_condition_code): Convert fp comparison codes to integer
3093 (ix86_expand_fp_compare): Postnote the fp comparison code converison
3096 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
3097 * i386-protos.h (no_comparison_operator): Kill.
3099 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
3101 * combine.c (REVERSIBLE_CC_MODE): Remove.
3102 (reversible_comparison_p): Remove.
3103 (combine_reversed_comparison_code): New.
3104 (reversed_comparison): New.
3105 (combine_simplify_rtx): Use
3106 combine_reversed_comparison_code/reversed_comparison instead
3107 of reversible_comparison_p.
3108 (simplify_if_then_else): Likewise.
3109 (simplify_set): Likewise.
3110 (simplify_logical): Likewise.
3111 (if_then_else_cond): Likewise.
3112 (known_cond): Likewise.
3113 (simplify_comparison): Likewise.
3115 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
3117 * builtins.c (std_expand_builtin_va_start): Handle varargs when
3118 sizeof (int) is larger than sizeof(__word__).
3120 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
3122 * cppinit.c (do_includes): Fix typo.
3124 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3126 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
3127 in S_REGS does not occur because not all sources are possible
3128 when a S_REGS is a destination (sometimes needs a clobber).
3129 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
3130 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
3131 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
3132 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
3133 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
3134 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
3135 (lshrdi_const1, lshrsi3_const16): Likewise.
3136 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
3137 (*movhi_68hc12, *movqi_68hc12): Likewise.
3138 (movstrictqi): Make sure reloading in D_REGS as a destination
3141 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
3143 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
3145 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
3147 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
3148 -D, -U and -A, and don't initialize the builtins.
3149 (do_includes): Error if -include or -imacros with -fpreprocessed.
3150 * cppmain.c (cb_define, cb_undef): Unconditionally process
3152 * tradcpp.c (main): Fix typo.
3154 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
3156 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
3157 (read_name_map): Use IS_ABSOLUTE_PATH.
3158 * tradcpp.c (get_filename): Likewise.
3160 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3162 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
3163 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
3164 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
3165 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
3166 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
3167 (cmphi_z_used): Don't use '@' for the output.
3168 (tstqi_z_used): Likewise.
3169 (cmpqi_z_used): Likewise.
3170 (one_cmplsi2): Likewise.
3172 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
3174 * config/sh/sh.c (barrier_align): Recognize branch around far
3175 branch and redundant insn.
3177 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
3179 * invoke.texi: Restore documentation of the drivers' switches -MD
3182 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
3184 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
3186 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
3187 check-objc//%): Support parallel testing of multilibs.
3188 (TESTSUITEDIR): Set to testsuite by default, but override for
3190 (check-gcc, check-g++, check-g77, check-objc): Enter
3193 2001-01-11 Bernd Schmidt <bernds@redhat.com>
3195 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
3196 * sched-deps.c (deps_may_trap_p): Likewise.
3197 * basic-block.h: Remove a comment.
3198 * flow.c (PROP_POSTRELOAD): Remove.
3199 (update_life_info): Don't add it to prop_flags.
3200 (mark_set_1): Lose the code that was enabled by it.
3202 2001-01-11 Michael Hayes <mhayes@redhat.com>
3204 * flow.c (flow_call_edges_add): New.
3205 * basic_block.h (flow_call_edges_add): New.
3207 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
3209 * reload1.c (move2add_note_store): Update reg_set_luid even if
3210 base reg remains the same.
3212 2001-01-10 Nick Clifton <nickc@redhat.com>
3214 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
3215 machine_function structure to zero.
3216 Add prototypes for machine_status functions.
3218 2001-01-10 Mark Mitchell <mark@codesourcery.com>
3220 * c-common.h (CTI_VOID_LIST): Remove.
3221 (void_list_node): Likewise.
3222 * tree.h (TI_VOID_LIST_NODE): New enumeral.
3223 (void_list_node): New macro.
3224 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
3225 * config/i386/i386.c (ix86_init_builtins): Likewise.
3226 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
3228 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
3230 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
3231 * cppinit.c (cpp_start_read): Update comment, remove unneeded
3233 * tradcpp.c: Include mkdeps.h.
3234 (deps, print_deps_phony_targets, deps_append, output_deps,
3235 init_dependency_output, output_deps): New.
3236 (deps_buffer, deps_allocated_size, deps_size, deps_column,
3237 deps_output): Delete.
3238 (print_deps_missing_files): Rename deps_missing_files.
3239 (inhibit_output): Make global.
3240 (main): Delete inhibit_output, deps_stream, deps_target.
3241 Use mkdeps functionality in the same way as cpplib. Remove
3242 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
3243 -M and -MM. Remove old handling of deps via deps_out, and
3244 old reading of environment variables.
3245 (get_filename): Update to use deps_add_dep.
3247 2001-01-10 Mark Mitchell <mark@codesourcery.com>
3249 * output.h (make_function_rtl): Remove prototype.
3250 (make_decl_rtl): Likewise.
3251 * varasm.c (make_function_rtl): Remove.
3252 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
3253 than from a third parameter.
3254 * tree.h (make_decl_rtl): Remove last parameter.
3255 * c-decl.c (builtin_function): Remove last argument in call to
3256 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
3257 (start_function): Likewise.
3258 * except.c (call_get_eh_context): Likewise.
3259 * expr.c (emit_block_move): Likewise.
3260 (clear_storage): Likewise.
3261 * profile.c (output_func_start_profiler): Likewise.
3262 * toplev.c (rest_of_decl_compilation): Likewise.
3263 * objc/objc-act.c (create_builtin_decl): Likewise.
3264 (synth_module_prologue): Likewise.
3265 (generate_static_reference): Likewise.
3266 (build_selector_reference_decl): Likewise.
3267 (build_class_reference_decl): Likewise.
3268 (build_objc_string_decl): Likewise.
3269 (build_protocol_reference): Likewise.
3271 2001-01-10 Richard Henderson <rth@redhat.com>
3273 * hwint.h: Revert yesterday's change.
3275 2001-01-10 Nick Clifton <nickc@redhat.com>
3277 * function.h (save_machine_status): Delete.
3278 (restore_machine_status): Delete.
3279 Amend comment describing {init|mark|free}_machine_status.
3281 * function.c (save_machine_status): Delete.
3282 (restore_machine_status): Delete.
3283 Amend comment describing {init|mark|free}_machine_status.
3284 (push_function_context_to): Remove invocation of
3285 save_machine_status.
3286 (pop_function_context_from): Remove invocation of
3287 restore_machine_status.
3289 * emit-rtl.c (init_emit_once): Amend comment describing
3290 {init|mark|free}_machine_status.
3292 * tm.texi (Per-Function Data): New node. Describe the
3293 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
3296 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
3298 * cppinit.c (OPT_g): Remove.
3299 (cpp_handle_option): Update for removed -g3.
3300 (print_help): Update.
3301 * cpplib.h (struct cpp_options): Remove debug_output.
3302 * cppmain.c (setup_callbacks, cb_define): Update.
3303 * gcc.c (cpp_options): Translate -g3 to -dD.
3305 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
3307 * config/i960/i960.md: Change modifier to + on the zero_extract
3308 pattern after the (rotate -2 reg) canonicalization pattern.
3310 2001-01-10 Richard Henderson <rth@redhat.com>
3312 * config/alpha/alpha.c (alpha_free_machine_status): New.
3313 (override_options): Install it.
3314 (alpha_mark_machine_status): Verify machine non-null.
3315 * config/i386/i386.c (ix86_free_machine_status): New.
3316 (override_options): Install it.
3317 (ix86_init_machine_status): Use xcalloc.
3318 (ix86_mark_machine_status): Verify machine non-null.
3319 * config/ia64/ia64.c (ia64_free_machine_status): New.
3320 (ia64_override_options): Install it.
3321 (ia64_mark_machine_status): Verify machine non-null.
3323 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
3325 * function.c (instantiate_virtual_regs): Instantiate virtual
3326 registers found in CALL_INSN_FUNCTION_USAGE.
3328 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
3330 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
3331 equivalent to -ansi in disabling -Di386.
3333 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
3335 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
3337 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
3339 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
3341 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
3343 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
3345 * invoke.texi: Document that -fcond-mismatch isn't supported for
3348 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
3350 * gcc.texi: Define macro gcctabopt.
3351 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
3352 @command, @env and @option in some places where appropriate. Use
3353 @gcctabopt where appropriate. Put URLs and email addresses inside
3356 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
3358 * gcc.c (cpp_options): Set MD file name from output
3359 filename, if specified.
3360 (suffix_subst): New static variable.
3361 (do_spec): Clear it.
3362 (do_spec_1, case '.'): Handle new `%.suffix' spec.
3364 (give_switch): Handle suffix_subst.
3366 2001-01-10 Phil Edwards <pme@sources.redhat.com>
3368 * invoke.texi: Fix another typo.
3370 2001-01-10 Phil Edwards <pme@sources.redhat.com>
3372 * invoke.texi: Fix typo.
3374 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
3376 * c-lang.c (lang_hooks): Update.
3377 (lang_decode_option): Remove.
3378 (lang_init_options): Rename c_init_options.
3379 * toplev.c (main): Use lang_hooks for lang_init_options
3380 and lang_decode_option.
3381 * toplev.h (lang_hooks): Add 2 new hooks.
3382 * tree.h: Remove lang_init_options and lang_decode_option.
3383 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
3384 * cp/decl2.c: Similarly.
3385 * cp/lex.c (lang_init_options): Rename cxx_init_options.
3386 (lang_hooks): Update.
3387 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
3389 (lang_init_options): Rename ffe_init_options.
3390 (lang_hooks): Update.
3391 (lang_decode_option): Remove.
3392 * java/lang.c (lang_init_options): Rename java_init_options.
3393 (lang_decode_option): Rename java_decode_option.
3394 (lang_hooks): Update.
3395 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
3396 (lang_decode_option): Rename objc_decode_option.
3397 (lang_hooks): Update.
3399 2001-01-09 Nick Clifton <nickc@redhat.com>
3401 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
3402 (d30v_return_addr_rtx): Delete.
3403 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
3404 cfun->machine structure.
3405 (struct machine_function): Move to d30v.h
3406 (d30v_save_machine_status): Delete.
3407 (d30v_restore_machine_status): Delete.
3408 (d30v_init_machine_status): New Function.
3409 (d30v_mark_machine_status): New Function.
3410 (d30v_free_machine_status): New Function.
3411 (d30v_init_expanders): Use new functions.
3412 (d30v_return_addr): Use ra_rtx field in cfun->machine.
3413 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
3414 d30v_return_addr_rtx.
3416 * config/d30v/d30v.h (struct_machine): Move here.
3417 Add eh_epilogue_sp_ofs field.
3419 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
3420 field in cfun->machine structure.
3422 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
3424 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
3425 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
3426 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
3428 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
3430 * objc/lang-options.h: Remove bogus reference to
3433 2001-01-09 Kazu Hirata <kazu@hxi.com>
3435 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
3438 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
3440 * reload.c (find_reloads_address): Check for eliminable registers
3441 when substituting a constant expression for a pseudo.
3443 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
3445 * c-common.c (enum format_type): Add format_type_error.
3446 (decode_format_type): New function.
3447 (decl_attributes): Use it.
3448 (format_kind_info): Adjust comment.
3450 2001-01-09 David O'Brien <obrien@BSDi.com>
3452 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
3453 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
3455 * config/i386/gnu.h: Don't include required platform specific .h files,
3456 tm.h will do it instead.
3457 * config/i386/i386elf.h: Likewise.
3458 * config/i386/linux.h: Likewise.
3459 * config/i386/moss.h: Likewise.
3460 * config/mips/gnu.h: Likewise.
3462 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3464 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
3465 (rs6000-ibm-aix3.[01]*): Likewise.
3466 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
3467 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
3468 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
3469 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
3470 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
3471 (powerpc-*-eabiaix*): Likewise.
3472 (powerpc-*-eabisim*): Likewise.
3473 (powerpc-*-elf*): Likewise.
3474 (powerpc-*-eabi*): Likewise.
3475 (powerpc-*-rtems*): Likewise.
3476 (powerpc-*-linux*libc1): Likewise.
3477 (powerpc-*-linux*): Likewise.
3478 (powerpc-wrs-vxworks*): Likewise.
3479 (powerpcle-wrs-vxworks*): Likewise.
3480 (powerpcle-*-sysv*): Likewise.
3481 (powerpcle-*-elf*): Likewise.
3482 (powerpcle-*-eabisim*): Likewise.
3483 (powerpcle-*-eabi*): Likewise.
3484 (powerpcle-*-solaris2*): Likewise.
3485 * config/rs6000/aix31.h: Delete includes.
3486 * config/rs6000/aix3newas.h: Likewise.
3487 * config/rs6000/aix41.h: Likewise.
3488 * config/rs6000/aix43.h: Likewise.
3489 * config/rs6000/beos.h: Likewise.
3490 * config/rs6000/rtems.h: Likewise.
3491 * config/rs6000/sysv4.h: Likewise.
3493 2001-01-09 Kazu Hirata <kazu@hxi.com>
3495 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
3496 Change an argument mode of machine_mode to shift_mode of
3497 shift_mode. Remove an extra error check.
3498 (emit_a_shift): Adopt to the new calling prototype of
3500 (function_prologue): Fix code for a monitor
3501 function. Support H8/S.
3502 (function_epilogue): Do not output pop for a monitor function.
3504 2001-01-09 Nick Clifton <nickc@redhat.com>
3506 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
3507 (setup_incoming_varargs): Use sysv_varargs_p field of the
3508 cfun->machine structure.
3509 (struct machine_function): Move to rs6000.h
3510 (rs6000_save_machine_status): Delete.
3511 (rs6000_restore_machine_status): Delete.
3512 (rs6000_init_machine_status): New Function.
3513 (rs6000_free_machine_status): New Function.
3514 (rs6000_init_expanders): Use new functions.
3516 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
3518 (struct machine_function): Move here.
3520 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
3521 sysv_varargs_p field of the cfun->machine structure.
3523 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
3525 (rs6000_restore_machine_status): Remove prototype.
3527 2001-01-09 Richard Henderson <rth@redhat.com>
3529 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
3530 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
3531 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
3532 (sched_analyze_2, sched_analyze_insn): Likewise.
3533 (sched_analyze, init_deps): Likewise.
3534 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
3535 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
3536 (compute_block_backward_dependences): Update propagate_deps call.
3538 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
3540 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
3542 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
3544 * cppinit.c (OPT_MD, OPT_MMD): Restore.
3545 (cpp_handle_option): Handle them.
3546 (cpp_post_options): Ensure one of -M or -MM is specified with
3547 any other -M? option.
3548 (init_dependency_output): Suppress output with -MG.
3550 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
3553 * invoke.texi: Update.
3555 2001-01-09 Bernd Schmidt <bernds@redhat.com>
3557 * sh.md (reload_outsf): Generate recognizable patterns for
3560 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
3562 * c-lang.c (lang_hooks): Update.
3563 (lang_init): Rename c_init.
3564 (lang_finish): Remove.
3565 * toplev.c (compile_file): Use lang_hooks for lang_init ()
3567 * toplev.h (lang_hooks): Add init () and finish ().
3568 * tree.h (lang_init, lang_finish): Remove.
3569 * cp/tree.h (lang_init, lang_finish): Remove.
3570 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
3571 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
3573 (lang_init, lang_finish): Remove.
3574 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
3575 (lang_hooks): Update.
3576 * java/lang.c (lang_init): Rename java_init.
3577 (lang_finish): Remove.
3578 (lang_hooks): Update.
3579 * objc/objc-act.c (lang_init): Rename objc_init.
3580 (lang_finish): Remove.
3581 (lang_hoooks): Update.
3583 20001-01-09 Graham Stott <grahams@redhat.com>
3585 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
3586 after `ptr` is initialised.
3588 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
3590 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
3591 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
3592 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
3593 stack adjusts, instead of r3.
3595 2001-01-09 Michael Hayes <mhayes@redhat.com>
3597 * flow.c (flow_loop_scan): Break out of ...
3598 (flow_loops_find) ... here.
3599 * basic-block.h (flow_loop_scan): New.
3600 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
3601 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
3603 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
3605 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
3607 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
3608 realloc()ing macro_buffer.
3610 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
3611 if it's wider than long and the target's long is wider than the
3614 2001-01-09 Mark Mitchell <mark@codesourcery.com>
3616 Remove support for using UWIN as a host machine.
3617 * configure.in: Issue an error message.
3618 * configure: Regenerated.
3619 * config.gcc: Remove xm_* UWIN configury.
3620 * config/i386/xm-uwin.h: Remove.
3622 2001-01-08 Nick Clifton <nickc@redhat.com>
3624 * config/v850/v850.c (ra_rtx): Delete.
3625 (v850_save_machine_status): Delete.
3626 (v850_restore_machine_status): Delete.
3627 (v850_init_machine_status): New function.
3628 (v850_mark_machine_status): New function.
3629 (v850_free_machine_status): New function.
3630 (v850_return_addr): Use ra_rtx field in machine structure.
3631 (v850_init_expanders): Use new functions.
3633 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
3634 * config/v850/v850.c: Change arguments to v850_output+* functions
3635 to take a const char *, to avoid compile time warning.
3636 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
3637 (USER_LABEL_PREFIX): Redefine.
3639 2000-01-08 Jim Wilson <wilson@redhat.com>
3641 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
3642 1 to unsigned HOST_WIDE_INT before left shift.
3644 2001-01-08 Nick Clifton <nickc@redhat.com>
3646 * config/arm/arm.c (arm_mark_machine_status): Check to see if
3647 the machine structure has been allocated.
3648 (arm_free_machine_status): New function: Free the machine
3649 specific function structure.
3651 2001-01-08 Richard Henderson <rth@redhat.com>
3653 * jump.c (simplejump_p): Revert last change.
3655 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
3657 * cppinit.c (init): Rename init_library.
3658 (cpp_create_reader): Update.
3659 * gcc.c (cpp_options): If -o given, use it as the target of
3662 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
3664 * arm.c (arm_arch5e): New variable.
3665 (all_cores): XScale is a 5TE device.
3666 (arm_override_options): Set arm_arch5e.
3667 (arm_init_builtins): __builtin_prefetch is in arch5e.
3668 * arm.h (arm_arch5e): Declare it.
3670 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
3672 * arm.md (define_constants): Add defines for UNSPEC and
3673 UNSPEC_VOLATILE insns. Update all users.
3674 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
3675 * arm.c (multi_register_push, note_invalid_constants)
3676 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
3677 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
3678 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
3680 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
3682 * jump.c (jump_optimize_1): Use reversed_comparison_code
3683 instead of can_reverse_comparison_p.
3684 (jump_back_p): Likewise.
3685 (invert_exp_1): Likewise.
3686 (thread_jumps): Likewise.
3687 * simplify-rtx.c (simplify_unary_operation): Likewise.
3688 (simplify_ternary_operation): Likewise.
3689 * cse.c (find_comparison_args): Convert to use
3690 can_reverse_comparison_p.
3691 (record_jump_equiv): Likewise.
3693 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
3695 * arm.h (HARD_REGNO_RENAME_OK): Delete.
3696 (EPILOGUE_USES): Define.
3697 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
3698 automatically stack the LR if it isn't live.
3700 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
3702 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
3705 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
3707 * ggc-page.c (max_alignment): New structure.
3708 (MAX_ALIGNMENT): New macro.
3709 (init_ggc): Use it to round up the sizes in the
3710 extra_order_size_table.
3712 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3714 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
3717 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3719 * builtins.def (BUILT_IN_FPRINTF): New entry.
3721 * c-common.c (c_expand_builtin_fprintf): New function.
3722 (init_function_format_info): Handle __builtin_fprintf.
3723 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
3724 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
3726 * c-decl.c (duplicate_decls): Adjust comment.
3728 * extend.texi (fprintf): Document new builtin.
3730 2001-01-07 Richard Henderson <rth@redhat.com>
3732 * jump.c (simplejump_p): Recognize any single_set jump
3735 2001-01-07 Richard Henderson <rth@redhat.com>
3737 * configure.in (slibdir): Accept an --with-slibdir option.
3738 Use "test" not "[" in configure. Default to $(libdir).
3740 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
3742 * config/t-aix43 (SHLIB_INSTALL): Likewise.
3743 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
3744 (SHLIB_LINK): Create links for the soname.
3745 * config/mips/t-iris6: Likewise.
3746 * config/sparc/t-slibgcc: Likewise.
3747 * config/sparc/t-slibgcc-sld: Likewise.
3749 2001-01-07 Jakub Jelinek <jakub@redhat.com>
3751 * config/i386/i386.c (constant_call_address_operand): Accept
3752 (const (plus (symbol_ref) (const_int))).
3753 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
3754 constant_call_address_operand.
3756 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3758 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
3759 and LONG_LONG_TYPE_SIZE > 32.
3761 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3763 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
3764 the previous change.
3766 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
3768 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
3770 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
3771 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
3772 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
3775 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
3777 * fix-header.c (read_scan_file): s/pfile/scan_in/.
3779 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
3781 * c-lang.c (c_post_options): Call cpp_post_options.
3782 * objc/objc-act.c (objc_post_options): Similarly.
3783 * cppmain.c (main): Similarly.
3784 * fix-header.c (read_scan_file): Similarly.
3785 * cppinit.c (cpp_start_read): Move option consistency checks
3786 to cpp_post_options. Don't call init_dependency_output.
3787 If needed, add default target and main file dependency.
3788 (OPT_MD, OPT_MMD): Remove.
3790 (cpp_handle_option): Update for OPT_* changes.
3791 (cpp_post_options): New.
3792 (init_dependency_output): Command line -MF overrides environment
3793 variables. Don't set default target etc. Suppress output
3794 if dependencies are going to stdout.
3795 (print_help): Update.
3796 * cpplib.h (cpp_post_options): New.
3797 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
3799 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
3801 * jump.c (comparison_dominates_p): Support unordered compares.
3803 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
3805 * simplify-rtx.c (simplify_relational_operation): Always simplify
3806 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
3809 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
3811 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
3812 (nonzero_bits): Likewise.
3813 (simplify_comparison): Likewise.
3814 (num_sign_bit_copies): Likewise; return more sane value depending
3815 on STORE_FLAG_VALUE.
3816 (known_cond): Do not assume EQ to be always true for equivalent
3819 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
3821 * cse.c (fold_rtx): Handle unordered comparisons.
3823 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
3825 * rtlanal.c (set_of_1): New static function.
3826 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
3827 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
3828 reg_set_last_last_regno): Remove.
3829 (set_of): New global function.
3830 (set_of_data): New structure.
3831 (reg_set_p, reg_set_last): Revamp for set_of.
3832 * rtl.h (set_of): New.
3834 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
3836 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
3837 * extend.texi: Document _Exit builtin.
3839 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
3841 * (initialize, initialize_builtins,
3842 initialize_dependency_output, initialize_standard_includes):
3843 Rename s/initialize/init. Update.
3844 (init_dependency_output): Move to after
3845 cpp_handle_options, the correct location temporally at least.
3846 (opt_comp): Move next to init (), its caller. Fix prototype.
3847 (init): Make "initialized" local scope.
3848 (cpp_create_reader): Always call init ().
3849 (cpp_start_read): Update.
3850 (output_deps): New function, broken out of cpp_finish.
3851 (cpp_finish): Break out output_deps.
3853 2001-01-07 Richard Henderson <rth@redhat.com>
3855 * collect2.c (COFF specific stuff): Revert 12-06 patch
3856 to prototype system functions.
3858 2001-01-07 Michael Hayes <mhayes@redhat.com>
3860 * hard-reg-set.h: Add multiple include guard.
3861 * basic-block.h (struct loop): Add `sink' field.
3862 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
3863 (emit_iv_add_mult): Delete.
3864 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
3865 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
3866 (unroll_loop): Remove end_insert_before argument.
3867 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
3868 (maybe_eliminate_biv_1): Likewise.
3869 (emit_iv_add_mult): Delete.
3870 (gen_add_mult, loop_regs_update): New.
3871 (loop_insn_emit_after, loop_insn_emit_before): New.
3872 (loop_insn_sink, loop_insn_sink_or_swim): New.
3873 (emit_iv_add_mult): Delete.
3874 (scan_loop): Set loop->sink.
3875 (loop_givs_reduce): Use loop_insn_sink and its ilk.
3876 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
3877 (maybe_eliminate_biv_1): Likewise.
3878 (maybe_eliminate_biv_1): Add basic block argument.
3879 * unroll.c (unroll_loop): Remove end_insert_before argument.
3880 (find_splittable_regs): Likewise.
3881 (find_splittable_regs): Use loop_insn_sink and its ilk.
3882 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
3884 2001-01-07 Michael Hayes <mhayes@redhat.com>
3886 * loop.h (loop_insn_hoist): New prototype.
3887 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
3888 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
3889 (check_dbra_loop, load_mems): Likewise.
3890 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
3891 (find_splittable_givs): Likewise.
3893 2001-01-07 Michael Hayes <mhayes@redhat.com>
3895 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
3897 2001-01-07 Richard Henderson <rth@redhat.com>
3899 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
3901 2001-01-07 Richard Henderson <rth@redhat.com>
3903 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
3904 NO_SHARED_LIBGCC_MULTILIB as required for the target.
3905 * gcc.c (init_spec): Massage the existing libgcc_spec into a
3906 variant that handles a shared libgcc.
3907 (process_command): Always validate -{static,shared}-libgcc.
3908 (do_spec_1): New 'M' case.
3909 * invoke.text (Link Options): Document -{static,shared}-libgcc.
3911 2001-01-07 Richard Henderson <rth@redhat.com>
3913 * Makefile.in (slibdir): New variable.
3914 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
3915 (installdirs): Create slibdir.
3916 (install-libgcc, install-multilib): Defer to libgcc.mk.
3917 * configure.in (slibdir): Substitute.
3918 * mklibgcc.in (install): New target.
3920 * config/t-linux (SHLIB_LINK): Create links for the soname.
3921 (SHLIB_INSTALL): New.
3922 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
3923 * config/mips/t-iris6 (SHLIB_INSTALL): New.
3924 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
3925 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
3926 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
3928 2001-01-07 Richard Henderson <rth@redhat.com>
3930 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
3931 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
3932 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
3934 2001-01-07 Michael Hayes <mhayes@redhat.com>
3936 * loop.c (count_loop_regs_set): Delete.
3937 (load_mems_and_recount_loop_regs_set): Delete.
3938 (loop_regs_scan): Merge common code from count_loop_regs_set,
3939 scan_loop, and load_mems_and_recount_loop_regs_set.
3940 (scan_loop): Call load_mems directly and loop_regs_scan
3941 again if new registers created.
3943 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
3945 * toplev.c (main): Call the front-end specific post_options
3946 hook if one is given.
3947 * toplev.h (struct_lang_hooks, lang_hooks): New.
3948 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
3949 for the C front end.
3950 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
3951 lang_hooks for the C++ front end.
3952 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
3953 lang_hooks for the ObjC front end.
3954 * f/com.c (lang_hooks): Hooks for the Fortran front end.
3955 * java/lang.c (lang_hooks): Hooks for the Java front end.
3957 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
3959 * c-lex.c (init_c_lex): Request #define / #undef callbacks
3960 for verbose DWARF[2] debugging.
3961 (cb_define, cb_undef): The new callbacks.
3962 * toplev.h (debug_define, debug_undef): Make const correct.
3963 * toplev.c (debug_define, debug_undef): Similarly. Do not
3964 perform the verbosity tests here anymore.
3966 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
3968 * reload.c (subst_reloads): Take INSN argument. When
3969 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
3970 * reload.h (subst_reloads): Adjust prototype.
3971 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
3972 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
3973 present in JUMP_INSNs and copy them to JUMP_LABEL.
3974 * flow.c (find_label_refs, find_basic_blocks_1): Skip
3975 JUMP_INSNs and insns with REG_LABELs that are followed by
3976 JUMP_INSNs with the same REG_LABEL.
3977 * sched-rgn.c (is_cfg_nonregular): Likewise.
3978 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
3980 * unroll.c (unroll_loop): Look for REG_LABEL notes in
3982 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
3984 2001-01-06 Richard Henderson <rth@redhat.com>
3986 * loop.c (scan_loop): Use xcalloc for the regs array.
3987 (load_mems_and_recount_loop_regs_set): Zero the new memory
3988 received from xrealloc.
3990 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
3992 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
3994 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
3996 * integrate.c (copy_rtx_and_substitute): When copying
3997 an ignored return value, strip REG_FUNCTION_VALUE_P.
3999 2001-01-06 Michael Hayes <mhayes@redhat.com>
4001 * loop.c (debug_biv, debug_giv): New.
4002 (loop_biv_dump): Break out from ...
4003 (record_biv): ... here.
4004 (loop_giv_dump): Break out from ...
4005 (record_giv): ... here.
4006 (loop_bivs_check): Use print_simple_rtl.
4007 * unroll.c (loop_iterations): Use print_simple_rtl.
4009 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
4011 * pa.md (return, return_internal): Modify patterns to prevent regrename
4012 mucking with the return pointer.
4014 2001-01-05 Richard Henderson <rth@redhat.com>
4016 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
4018 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
4020 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
4021 version supplied by Matteo Frigo.
4023 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
4025 * cpp.texi: Update for -MQ.
4026 * cppinit.c (cpp_create_reader): Always create pfile->deps.
4027 (cpp_cleanup): Always free pfile->deps.
4028 (initialize_dependency_output): Don't create pfile->deps.
4029 (cpp_handle_option): Similarly.
4031 * gcc.c (cpp_options): Handle -MQ.
4032 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
4033 * mkdeps.c (base_name): Remove.
4034 (deps_init): Don't allocate vector space until it's needed.
4035 (deps_free): Only free vectors if allocated.
4036 (deps_add_target, deps_add_dep): Update for initial allocation.
4037 (deps_add_default_target): Don't strip to the base_name.
4039 2001-01-05 DJ Delorie <dj@redhat.com>
4041 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
4042 (INIT_EXPANDERS): Define.
4044 * config/v850/v850.c (struct machine_function): Define.
4045 (v850_save_machine_status): New function.
4046 (v850_restore_machine_status): New function.
4047 (v850_return_addr): New function.
4048 (v850_init_expanders): New function.
4050 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
4051 and v850_init_expanders.
4053 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
4055 * cpplib.h (struct cpp_reader): Add help_only field.
4056 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
4057 (cpp_handle_option): Set pfile->help_only if we see -h,
4058 --help, -target-help, or --version. Print version string but
4059 do not set help_only if we see -v or -version. Make text
4060 printed by -v match that printed by (-)-version.
4062 * cppmain.c (main): Exit after option parsing if
4063 pfile->help_only is true.
4065 * toplev.c (independent_decode_option): Call print_version,
4066 then exit, if we see --version (but not -version).
4067 (print_version): Split lengthy message into two lines.
4069 2001-01-05 Nick Clifton <nickc@redhat.com>
4071 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
4072 temporary string for initialisation before calling ggc_alloc_string.
4074 2001-01-06 Michael Hayes <mhayes@redhat.com>
4076 * rtl.h (print_simple_rtl): New.
4077 * print-rtl.c (print_simple_rtl): New.
4079 (print_rtx): Disable printing of flags and modes, etc.,
4080 if `flag_simple` nonzero.
4082 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
4084 * function.c (fixup_var_refs): Use push_to_full_sequence where
4087 2001-01-05 Michael Meissner <meissner@redhat.com>
4089 * flags.h (flag_reorder_blocks): Add declaration.
4090 (flag_rename_block): Ditto.
4092 2001-01-05 DJ Delorie <dj@redhat.com>
4094 * function.c (reorder_blocks): Make sure the flags are all reset
4095 before using them to mark blocks, else a second invocation will
4096 corrupt the block chain.
4097 (reorder_blocks_0): New, resets the flags.
4099 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
4101 * cse.c (find_comparison_args): Stop if the argument is known to
4104 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
4106 * config/sh/sh.md (movdf): When splitting load into pair of
4107 registers, don't clobber the register used in the address too
4110 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
4112 * varasm.c (mark_constant_pool): Improve initial comments.
4113 (mark_constants): Move marking of constants to mark_constant.
4114 (mark_constant): New function to recursively mark all constants
4115 referred to by a constant.
4117 2001-01-05 Catherine Moore <clm@redhat.com>
4119 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
4121 2001-01-05 Phil Edwards <pme@sources.redhat.com>
4123 * cp/lang-options.h: Bring comment in line with reality.
4124 * f/lang-options.h: Likewise.
4125 * java/lang-options.h: Likewise.
4126 * objc/lang-options.h: Likewise.
4127 * ch/lang-options.h: Likewise.
4128 * f/g77.texi: And update the manual.
4130 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
4131 Denis Chertykov <denisc@overta.ru>
4133 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
4134 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
4135 * config/avr/avr.md (all peepholes that request a scratch register):
4136 Call it, FAIL the peephole if not safe (in interrupt functions).
4138 2001-01-05 Mark Mitchell <mark@codesourcery.com>
4140 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
4142 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
4144 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
4146 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
4147 BUILT_IN_CREAL and BUILT_IN_CIMAG.
4148 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
4149 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
4150 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
4152 * extend.texi: Document these builtins.
4154 2001-01-05 Daniel Berlin <dberlin@redhat.com>
4156 * c-common.c (lang_get_alias_set): Say we know nothing of
4157 VECTOR_TYPE aliasing.
4159 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
4161 2001-01-05 Bruce Korb <bkorb@gnu.org>
4163 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
4164 their x* equivalent versions for atexit-less systems
4165 * fixinc/fixincl.c(main): do not return from main() on atexit-less
4166 systems (or any other system any more).
4168 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
4170 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
4171 output operands. Use arm_hard_register_operand for operand 4.
4172 (stmsi_postinc): Similarly.
4173 (ldmsi): Use arm_hard_register_operand for opernand 2.
4175 * arm.c (arm_hard_register_operand): New function.
4176 * arm-protos.h (arm_hard_register_operand): Prototype it.
4178 * arm.h (HARD_REGNO_RENAME_OK): Define.
4180 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
4182 * simplify-rtx.c (cfc_args): add "unordered" field.
4183 (check_fold_consts): Set unordered field.
4184 (simplify_relational_operation): Simplify the unordered
4187 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
4190 * emit-rtl.c (try_split): Fix code to mark labels.
4191 * jump.c (mark_jump_label): Make global.
4192 * rtl.h (mark_jump_label): Declare.
4194 * predict.c (estimate_probability): Handle unordred comparisons.
4196 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
4198 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
4199 * cppinit.c (initialize_dependency_output): Update.
4200 (cpp_finish): Output dummy targets for -MP.
4202 (cpp_handle_option): Handle -MP. Don't quote -MT options.
4203 * cpplib.h (struct cpp_options): Add deps_phony_targets.
4204 * gcc.c (cpp_options): Update to handle -MP.
4205 * mkdeps.c (deps_add_target, deps_add_default_target): Update
4206 to quote only the default target.
4207 (deps_phony_targets): Insert a preceding newline. Rename from
4208 deps_dummy_targets for consistency.
4211 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
4213 * calls.c (emit_library_call_value_1): Support
4214 INIT_CUMULATIVE_LIBCALL_ARGS.
4215 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
4217 2001-01-04 Richard Henderson <rth@redhat.com>
4219 * c-decl.c (finish_struct): Detect flexible array members
4220 used in an inappropriate context.
4221 * c-typeck.c (really_start_incremental_init): Special case
4222 constructor_max_index for zero length arrays.
4223 (pop_init_level): Allow initialization of flexible array
4224 members. Deprecate initialization of zero length arrays.
4225 Don't issue missing initializer warning for flexible array
4226 members or zero length arrays.
4227 (process_init_element): Don't dereference null DECL_SIZE.
4228 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
4229 Don't abort for empty constructors. Use size_binop
4230 (output_constructor): Add commentary regarding zero length
4231 array futures. Abort if we try to initialize an array of
4232 unspecified length with a non-empty constructor in the middle
4235 * extend.texi (Zero Length): Update and clarify documentation
4236 on static initialization.
4238 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4240 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
4241 with more than 32767 words of local storage.
4243 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4245 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
4246 for 'abs', 'labs', and 'fabs'.
4247 (c4x_expand_builtin): Likewise.
4248 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
4250 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
4252 * config/sh/sh.md (prget, prset): New insn types.
4253 (return delay slot): Dont' allow prset.
4254 (call, sfunc delay slot): Don't allow prget.
4255 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
4256 for prset and prget.
4258 2001-01-05 Michael Hayes <mhayes@redhat.com>
4260 * loop.h (struct loop_reg): New.
4261 (struct loop_regs): Change to use array of `struct loop_reg'.
4262 * loop.c: Replace assortment of varrays with single regs array.
4263 (count_one_set): Delete may_not_move array argument
4264 and use regs array instead. All caller's changed.
4265 (count_loop_regs_set): Delete may_not_move and single_usage
4266 arguments and use regs array instead. All caller's changed.
4267 (find_single_use_in_loop): Replace usage array argument with pointer
4268 to regs structure. All caller's changed.
4269 (loop_optimize): Delete `moved_once' array.
4271 2001-01-05 Michael Hayes <mhayes@redhat.com>
4273 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
4274 Use it instead of loop_info->has_call for scanning loop mems.
4275 (check_dbra_loop): Replace loop_info->has_call test with
4276 loop_info->has_nonconst_call.
4278 2000-01-04 Matthew Hiller <hiller@redhat.com>
4280 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
4283 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
4285 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
4286 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
4288 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
4290 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
4291 (flag_short_double, flag_short_wchar): Define.
4292 (c_common_nodes_and_builtins): Create many tree nodes shared
4293 between C and C++ here instead of in cp/decl.c and ...
4294 * c-decl.c (init_decl_processing): ... here.
4295 (SIZE_TYPE, WCHAR_TYPE): Don't define.
4296 (flag_short_double, flag_short_wchar): Don't define.
4297 (record_builtin_type): New function.
4298 (build_void_list_node): New function.
4299 * c-common.h (flag_short_double, flag_short_wchar,
4300 record_builtin_type, build_void_list_node): Declare.
4302 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
4304 * integrate.c (expand_inline_function): Don't put a virtual
4305 register into the reg map.
4307 * function.c (fixup_var_refs_1): If force_operand didn't put
4308 the address into the target, move it there.
4310 2001-01-04 Mark Mitchell <mark@codesourcery.com>
4312 Special-case tree_decl/tree_list allocations.
4313 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
4314 (OBJECT_SIZE): New macro.
4315 (NUM_EXTRA_ORDER): Likewise.
4316 (extra_order_size_table): New variable.
4317 (NUM_ORDERS): New macro.
4318 (objects_per_page_table): New variable.
4319 (object_size_table): New variable.
4320 (G.pages): Use NUM_ORDERS to bound the array.
4321 (G.page_tails): Likewise.
4322 (DIV_ROUND_UP): Remove.
4323 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
4324 (alloc_page): Use OBJECT_SIZE.
4325 (size_lookup): Don't make it const.
4326 (ggc_alloc): Use OBJECT_SIZE.
4327 (ggc_set_mark): Likewise.
4328 (ggc_get_size): Likewise.
4329 (init_ggc): Set up the object_size_table, objects_per_page_table,
4330 and adjust size_lookup.
4331 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
4332 (ggc_pop_context): Use NUM_ORDERS.
4333 (clear_marks): Likewise.
4334 (sweep_pages): Likewise.
4335 (poison_pages): Likewise.
4336 (ggc_print_statistics): Use OBJECT_SIZE.
4338 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4340 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
4341 Only call array_size_for_constructor if last field and array type
4342 with no upper bound.
4344 2001-01-04 Philip Blundell <philb@gnu.org>
4346 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
4347 from bit 31 downwards, if this requires no more insns.
4348 (count_insns_for_constant): New helper function for above.
4350 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
4352 * gencodes.c (output_predicate_decls): Remove empty initializer.
4354 2001-01-04 Mark Mitchell <mark@codesourcery.com>
4356 * tree.c (copy_node): Remove documentation about obstacks.
4357 (buidl1): Check that nobody tries to build 2-argument nodes this
4360 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4362 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
4365 * gencodes.c (output_predicate_decls): Fill empty initializer
4368 2001-01-04 Jakub Jelinek <jakub@redhat.com>
4370 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
4371 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
4373 (do_include): Handle missing headers like cpp0.
4374 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
4375 paths with first include pathname. Don't strcat to uninitialized
4378 2001-01-04 Bernd Schmidt <bernds@redhat.com>
4380 * regrename.c (regrename_optimize): Don't rename from frame pointer
4381 if frame_pointer_needed.
4382 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
4383 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
4384 (ia64_reorg): Use it instead of scheduling if ! optimize.
4385 (errata_emit_nops): Properly call asm_noperands.
4386 (ia64_sched_reorder): Finish cycle if we see an asm.
4387 (ia64_variable_issue): Clear scheduling state after asms.
4389 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
4391 * cpp.texi: Update for -MT.
4392 * cppinit.c (initialize_dependency_output): Add a default
4393 target if none has been given already.
4394 (no_tgt, OPT_MT): New.
4395 (cpp_handle_option): Handle -MT. Update -M etc.
4396 * cpplib.h (struct cpp_options): Remove deps_target.
4397 * gcc.c (cpp_options): Handle -MT.
4398 * mkdeps.c (struct deps): Move from mkdeps.h.
4399 (deps_calc_target): Rename deps_add_default_target. Add a
4400 default target if none has been specified already.
4401 * mkdeps.h (struct deps): Move to mkdeps.c.
4402 (deps_calc_target): Rename deps_add_default_target.
4404 2000-01-03 Richard Henderson <rth@redhat.com>
4406 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
4408 * c-typeck.c (push_init_level): Move checks for flexible array
4409 members and zero length arrays ...
4410 (pop_init_level): ... here. Silently discard empty initializations.
4412 * varasm.c (output_constructor): Update for sizeof change to
4415 * extend.texi (Zero Length): Clarify semantics.
4417 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
4419 * configure.in (tm.h): Include isns-codes.h last.
4420 * configure: Rebuilt.
4422 2001-01-03 Richard Henderson <rth@redhat.com>
4424 * config/alpha/alpha.md (addvsi3, addvdi3): New.
4425 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
4427 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4429 * tradcpp.c (main): Make sure finclude() is called with a valid
4430 indepth value while handling -include.
4432 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
4434 * gencodes.c (output_predicate_decls): New function.
4436 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
4437 even if it is not the first time machmode.h is #included.
4438 * config/sh/sh.c (fpul_operand): Declare MODE argument.
4439 * tm.texi (PREDICATE_CODES): Document predicate declarations.
4440 * gcc.texi (Copyright): Added 2001.
4442 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
4444 * c-common.c (c_common_lang_init): New function. Warn if format
4445 warning options which only have effects when used with -Wformat
4446 are used without -Wformat.
4447 * c-common.h (c_common_lang_init): Declare.
4448 * c-lang.c (lang_init): Call c_common_lang_init.
4449 * objc/objc-act.c (lang_init): Call c_common_lang_init.
4451 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
4453 * configure.in: Check for the mktemp command.
4454 * configure: Regenerate.
4455 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
4456 $TEMP. Create temporary files with mktemp, if available at
4457 configure time; otherwise use set -C. Remove temporary files
4460 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
4462 * configure.in: Require at least texinfo 4.0. Check for whether
4463 Pod::Man is sufficiently recent to regenerate GCC manpages.
4464 * configure: Regenerate.
4465 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
4467 (GENERATED_MANPAGES): Define.
4468 (generated-manpages): New target. Depend on cpp.1 as well as
4470 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
4471 configure to generated-manpages or empty) rather than on the
4472 manpages directly. Remove execute permission from installed
4473 gcov.1 as well as cpp.1.
4474 * cpp.1, gcov.1: Regenerate.
4476 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4478 * builtins.c (expand_builtin_strncmp): Use host_integerp and
4479 tree_low_cst. Allow using cmpstrsi in more cases.
4481 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4483 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
4486 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
4488 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
4489 * Makefile.in (HOST_CFLAGS): Mention build-make.
4491 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4493 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
4496 2001-01-01 Bernd Schmidt <bernds@redhat.com>
4498 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
4501 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
4504 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
4505 reg_base_value and reg_known_value arrays.
4506 (init_alias_analysis): Add more cases to detect known values.
4507 * sched-deps.c (deps_may_trap_p): New function.
4508 (sched_analyze_2): Use it.
4510 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
4512 * combine.c (simplify_shift_const): Even if we're sign-extracting,
4513 don't discard an ASHIFTRT if we're shifting in a wider mode.
4515 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
4517 * toplev.c (rest_of_compilation): Don't print basic block information
4518 when CFG isn't up to date.
4520 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
4522 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
4523 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
4524 (UNALIGNED_SHORT_ASM_OP): Define.
4525 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
4527 2001-01-02 Mark Mitchell <mark@codesourcery.com>
4529 * fold-const.c (fold_convert): Fix typo.
4531 2001-01-02 Richard Henderson <rth@redhat.com>
4533 * c-common.h (ASM_INPUT_P): New.
4534 * c-parse.in (asm): Set it when needed.
4535 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
4536 existance of an operand.
4538 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
4540 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
4541 (dwarf2out_frame_debug_expr): Likewise.
4542 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
4544 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
4546 * i386.c (ix86_split_to_parts): Return number of part required;
4548 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
4550 (ix86_split_long_move): Use number of part returned
4551 by ix86_split_to_parts
4552 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
4554 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
4555 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
4556 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
4557 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
4558 (ALIGN_MODE_128): Add TFmode.
4559 (IS_STACK_MODE): Likewise.
4560 (HARD_REGNO_NREGS): TFmode needs 3 registers.
4561 (HARD_REGNO_OK): Support TFmodes.
4562 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
4563 * i386.md (scheduler definitions): Use memory operand to determine
4564 fst/fld instructions; use mode attribute to determine real mode of
4566 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
4567 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
4569 2001-01-02 Mark Mitchell <mark@codesourcery.com>
4571 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
4573 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
4575 * expr.c (store_constructor_field): Update ALIGN before calling
4578 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
4580 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
4583 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
4585 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
4588 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
4590 * c-decl.c (start_function): Don't warn on third parameter to main.
4592 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4594 * tsystem.h: Define HAVE_DECL_GETOPT.
4596 2001-01-02 Philip Blundell <pb@futuretv.com>
4598 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
4601 2001-01-02 Richard Henderson <rth@redhat.com>
4603 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
4605 2001-01-02 Andreas Jaeger <aj@suse.de>
4607 * c-decl.c (c_decode_option): Remove support of
4610 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
4611 (W_options): Add -Wmissing-noreturn here.
4613 * flow.c: Define lang_missing_noreturn_ok_p.
4614 (check_function_return_warnings): Use it.
4616 * c-common.h: Declare lang_missing_noreturn_ok_p.
4618 * c-lang.c (c_missing_noreturn_ok_p): New function.
4619 (lang_init): Set lang_missing_noreturn_ok_p.
4621 * invoke.texi (Warning Options): Document this.
4623 2000-12-27 Phil Edwards <pme@sources.redhat.com>
4625 * extend.texi (C++ Extensions): New node for C++ attributes;
4626 describe init_priority and com_interface.
4627 * invoke.texi: Remove -finit-priority as it now has zero effect.
4628 * install.texi: Fix xref syntax.
4629 * md.texi: Likewise.
4631 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4633 * config.gcc (sparc64-wrs-vxworks*): New case.
4634 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
4636 * config/sparc/sparc.c (sparc_override_options): Do support different
4637 pointer and architecture size.
4638 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
4639 (POINTERS_EXTEND_UNSIGNED): Define.
4640 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
4641 (FUNCTION_MODE): Define to be Pmode.
4642 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
4644 * function.c (expand_function_end): Properly handle DECL_RESULT
4645 and copy when ptr_mode != Pmode.
4646 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
4648 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4650 * c-common.c (c_common_nodes_and_builtins): Set prototype
4651 parameters for __builtin_fputs, __builtin_fputc and
4652 __builtin_fwrite. Don't declare plain fputc as a builtin.
4654 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
4656 * loop.c (add_label_notes): Increment the label usage count when
4657 a note is added to an insn which refers to a CODE_LABEL.
4658 * gcse.c (add_label_notes): Likewise.
4660 2001-01-01 Andreas Jaeger <aj@suse.de>
4662 * loop.c (scan_loop): Use xmalloc to allocate movables.
4664 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
4666 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
4667 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
4668 * reload1.c (REGISTER_MOVE_COST): Likewise.
4669 * regclass.c (REGISTER_MOVE_COST): Likewise.
4670 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
4671 dimension. Adjust all users.
4672 (init_reg_sets_1): Iterate on all modes.
4673 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
4674 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
4675 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
4676 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
4677 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
4678 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
4679 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
4680 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
4681 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
4682 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
4683 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
4684 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
4685 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
4686 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
4687 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
4688 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
4689 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
4690 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
4691 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
4692 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
4693 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
4694 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
4695 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
4696 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
4697 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
4698 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
4699 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
4701 2001-01-01 Bernd Schmidt <bernds@redhat.com>
4703 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
4704 arg VARIES_P. Call it with extra arg.
4705 (true_dependence): Likewise.
4706 * rtl.h (rtx_addr_can_trap_p): Declare.
4707 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
4709 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
4710 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
4711 pic offset table register if it's zero. All callers changed.
4712 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
4714 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4716 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
4717 STRING_POOL_ADDRESS_P.
4719 * config/sparc/sparc.c (input_operand): Properly test for short op.
4721 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
4722 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
4723 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
4724 * config/sparc/elf.h: No longer include sol2.h.
4725 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
4726 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
4728 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
4730 2001-01-01 Michael Hayes <mhayes@redhat.com>
4732 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
4733 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
4734 (record_initial): Likewise.
4735 * unroll.c (copy_loop_body, loop_iterations): Likewise.
4736 (remap_split_bivs): Likewise.
4738 2001-01-01 Michael Hayes <mhayes@redhat.com>
4740 * loop.c (loop_ivs_free): New function.
4741 (strength_reduce): Break out from...
4743 2001-01-01 Michael Hayes <mhayes@redhat.com>
4745 * loop.h (struct iv): New.
4746 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
4747 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
4748 'reg_biv_class' fields with 'regs' and 'n_regs'.
4749 (struct ivs): Rename 'loop_iv_list' field to 'list'.
4750 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
4751 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
4753 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
4755 * resource.c (mark_referenced_resources): Abort() before
4756 attempting to mark a pseudo register.
4757 (mark_set_resources): Likewise.
4759 2001-01-01 Michael Hayes <mhayes@redhat.com>
4761 * loop.h (REG_IV_CLASS): New accessor macro.
4762 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
4763 * unroll.c (REG_IV_CLASS): Likewise.
4765 See ChangeLog.4 for earlier changes.