1 2001-02-25 Richard Henderson <rth@redhat.com>
3 * ifcvt.c (struct noce_if_info): Add test_bb.
4 (noce_get_alt_condition): New.
5 (noce_try_minmax, noce_try_abs): New.
6 (noce_operand_ok): New.
7 (noce_process_if_block): Use them.
8 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
10 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
12 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
15 2001-02-25 Zack Weinberg <zackw@stanford.edu>
17 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
18 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
20 (mips_asm_file_end): Free temp_filename here.
22 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
24 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
25 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
27 * config/i386/i386.md (movstrsi): Handle FAIL case.
29 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
31 * cppinit.c (builtin_array): Update.
32 (init_builtins): Flag builtins to warn if redefined or
33 undefined. Define __GXX_WEAK as a normal macro.
34 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
35 * cpplib.h (NODE_WARN): New flag.
36 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
37 Handle __STDC__ as a builtin only on Solaris.
38 (warn_of_redefinition): Renamed from check_macro_definition.
39 Reverse sense of test. Always warn if NODE_WARN.
40 (_cpp_create_definition): Use warn_of_redefinition. Flag
41 any macro beginning with "__STDC_" to require a mandatory
42 warning if redefined or undefined.
44 2001-02-24 Zack Weinberg <zackw@stanford.edu>
46 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
47 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
48 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
49 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
50 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
51 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
53 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
54 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
55 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
56 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
57 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
59 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
60 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
63 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
64 Delete now-empty file.
66 * alpha/vms.h: Define NEED_ATEXIT here...
67 * alpha/xm-vms.h: ...not here.
69 * i386/cygwin.h: Don't define PARAMS.
70 * mips/mips.c: Don't prototype mktemp. Don't define
71 P_tmpdir. Use make_temp_file to create temporary files.
72 Don't be clever and delete temporary files early.
73 * config.gcc: Drop references to deleted files. Don't define
75 * gcc.texi: Don't mention USE_PROTOTYPES.
77 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
79 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
80 (ix86_set_move_mem_attrs_1): Likewise.
81 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
82 * config/i386/i386.md (movstrsi): Call it.
84 2001-02-24 Zack Weinberg <zackw@stanford.edu>
86 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
87 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
88 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
89 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
91 (i750a-*-*): Error here if hosting on i750a.
92 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
94 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
95 Remove (empty modulo comments).
97 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
98 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
99 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
100 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
101 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
102 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
104 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
105 Remove reference to winnt.h in comment.
106 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
108 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
110 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
111 used to set another biv.
113 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
115 * tree.h (BLOCK_DEAD): New macro.
116 (struct tree_block): New flag, dead_flag.
117 * print-tree.c (print_node, case 'b'): Print missing fields.
118 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
119 * function.c (identify_blocks): Enable test for misplaced notes.
120 (all_blocks): Skip BLOCK_DEAD blocks.
121 * integrate.c (integrate_decl_tree): Likewise.
123 * errors.c (internal_error, trim_filename): New functions.
124 (fancy_abort): Call internal_error.
125 * errors.h (internal_error, trim_filename): New declarations.
127 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
129 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
131 (EXTRA_CONSTRAINT): Formatting changes.
133 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
135 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
137 2001-02-23 Per Bothner <per@bothner.com>
139 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
140 so they can be called from java/jvspec.c.
141 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
143 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
145 * i386.c (ix86_frame): New structure.
146 (ix86_compute_frame_size): Kill.
147 (ix86_compute_frame_layout): New.
148 (ix86_save_reg): New.
149 (ix86_can_use_return_insn_p): Use frame layout stuff.
150 (ix86_expand_prologue): Likewise.
151 (ix86_expand_epilogue): Likewise.
152 (ix86_initial_elimination_offset): Likewise.
153 (ix86_nsaved_regs): Use ix86_save_reg.
154 (ix86_emit_save_regs): Likewise.
156 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
158 * flow.c (find_sub_basic_blocks): New function.
159 (split_block): Be ready for basic block introduced by CODE_LABEL.
160 (commit_one_edge_insertion): Call find_sub_basic_block.
162 * flow.c (make_edges): Add edge from entry for blocks starting with
163 label having ALTERNATE_NAME
165 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
167 * function.c (epilogue_done): Be ready for first basic block not
168 containing PROLOGUE_END note.
169 (reposition_prologue_and_epilogue_notes): Avoid placing
170 PROLOGUE_END note between BASIC_BLOCK.
172 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
174 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
176 2001-02-21 DJ Delorie <dj@redhat.com>
178 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
179 check for current_function_has_nonlocal_goto from 1999-11-12.
181 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
183 * diagnostic.c (trim_filename): No longer static.
184 * toplev.h (trim_filename): Declare.
185 * rtl.c (rtl_check_failed_bounds): Call internal_error.
186 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
187 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
188 (rtvec_check_failed_bounds): Likewise.
189 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
191 * convert.c (convert_to_integer): Don't do unsigned unless result or
192 both inputs are unsigned.
194 * fold-const.c (fold_convert): Don't call size_int_type_wide if
197 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
199 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
201 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
203 * Makefile.in (resource.o): Add params.h dependence.
204 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
205 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
206 * resource.c: Add dependence on params.h.
207 (current_live_regs): Fix explanatory comment.
208 (find_basic_block): Add new parameter to permit limiting search
210 (mark_target_live_regs): Add new argument to find_basic_block call.
211 (incr_ticks_for_insn): Likewise.
213 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
215 * diagnostic.c (output_to_stream): Rename to
216 output_buffer_to_stream. Loses the stream parameter.
217 (init_output_buffer): Set diagnosic_buffer's stream.
218 (flush_diagnostic_buffer): Adjust.
219 (default_print_error_function): Likewise.
220 (finish_diagnostic): Likewise.
221 (verbatim): Likewise.
223 * diagnostic.h (struct output_buffer): Add `stream' field.
224 (output_buffer_attached_stream): New macro.
226 2001-02-23 Jakub Jelinek <jakub@redhat.com>
228 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
229 check if either operand is divisible by C.
230 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
231 If type is signed, consider negative numbers as well.
233 2001-02-22 Richard Henderson <rth@redhat.com>
235 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
236 reach .text instead of gp-relative relocs.
237 * config/ia64/crtend.asm (.init): Likewise.
239 2001-02-22 Andreas Jaeger <aj@suse.de>
241 * extend.texi (C++ Attributes): Fix typo.
243 2001-02-21 David Mosberger <davidm@hpl.hp.com>
245 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
246 functions, drop current_function_args_info.words test.
247 (ia64_compute_frame_size): Mark syscall_linkage functions as
248 using eight input registers.
250 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
251 Bruce Korb <bkorb@gnu.org>
253 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
254 * fixinc/README: Document how to convert sed substitutions
255 to format style c_fix-es.
256 * fixinc/fixincl.x: regen
258 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
260 * gcc.c: Add comment explaining how to add a command-line option.
261 Add title to specs language comment.
263 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
265 * gcc.c (cc1_options): Add "-param".
266 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
267 (option_map): Likewise.
268 * toplev.c (display_help): Add entry for "--param".
269 (independent_decode_option): Fix typographical error.
271 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
272 Bernd Schmidt <bernds@redhat.com>
273 Jan Hubicka <jh@suse.cz>
275 * i386.c (function_arg_advance): Pass SSE arguments in registers.
276 (function_arg): Likewise.
278 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
280 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
282 2001-02-21 Kazu Hirata <kazu@hxi.com>
284 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
288 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
290 * flow.c (init_propagate_block_info): Canon address and use single_set
291 for killing dead memory stores.
293 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
295 * Makefile.in (reorg.o): Add params.h dependence.
296 * params.def: Fix typographical error in comment.
297 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
298 * params.h: Modify introductory comment.
299 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
300 * reorg.c: Add dependence on params.h.
301 (redundant_insn): Add parameterized throttle for search.
302 (fill_simple_delay_slots): Add a comment explaining a variable.
303 Move conditional out of loop, simplifying code.
304 (fill_eager_delay_slots): Fix typographical error in comment.
306 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
308 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
310 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
311 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
313 2001-02-21 Jason Merrill <jason@redhat.com>
315 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
316 (struct tree_decl): Add uninlinable bitfield.
317 * c-decl.c (duplicate_decls): Set it.
318 * integrate.c (function_cannot_inline_p): Check it.
320 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
321 DW_AT_MIPS_linkage_name to abstract methods.
322 (dwarf2out_abstract_function): Emit class context before calling
323 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
324 (gen_subprogram_die): Remove obsolete code.
325 (gen_member_die): Don't include clones in the member list.
326 (gen_decl_die): Emit abstract info for clone origin.
327 * dwarfout.c (output_type): Don't include clones in the member list.
328 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
329 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
330 DECL_ABSTRACT on a function that already has it set.
332 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
333 (get_subprogram_die): Pass it in.
335 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
337 * flow.c (mark_set_1): Make not_dead unsigned long. For
338 non-pseudos, use it as a bitmask of the hard regs that
341 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
343 * cppfiles.c: Update comments.
344 (_cpp_read_file): Don't check for NULL filenames any more.
345 * cppinit.c (cpp_start_read): Don't do canonicalization of
346 in_fname and out_fname. Use the passed file name exclusively.
347 (_cpp_handle_options): Don't treat "-" as a command line option,
348 but as a normal filename.
349 (_cpp_post_options): Canonicalize in_fname and out_fname.
350 * cppmain.c (printer_init): Don't check out_fname for NULL.
351 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
352 (init_c_lex): Update, and use "" to represent stdin to CPP.
355 2001-02-20 Will Cohen <wcohen@redhat.com>
357 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
358 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
359 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
362 2001-02-20 Stan Shebs <shebs@apple.com>
364 * config/rs6000/rs6000.c (output_cbranch): Output branches
365 on separate lines instead of using ';' to separate.
367 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
369 * cppinit.c (set_lang): Move builtin handling to...
370 (init_builtins): ...here.
371 (_cpp_create_reader): Move call to set_lang.
373 2001-02-20 Mark Mitchell <mark@codesourcery.com>
375 * stmt.c (expand_return): If an attempt is made to return the
376 error_mar_node, treat the return like a return without a value.
378 2001-02-19 Zack Weinberg <zackw@stanford.edu>
380 * sibcall.c (skip_copy_to_return_value): Call
381 identify_call_return_value here, and return orig_insn if it
382 returns zero. Hardret and softret arguments now unnecessary.
383 (call_ends_block_p): Don't call identify_call_return_value here.
385 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
387 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
388 * ggc.h (ggc_mark_if_gcable): Delete prototype.
390 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
392 * pa.c (move_operand): Accept code to load the address of a
393 symbol out of the DLT as a valid move operand.
394 (print_operand, case 'A'): New to handle generating a DLT
395 reference for a LO_SUM expression.
396 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
397 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
399 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
401 * README, cpp.texi, gcc.texi, version.c: Update version number to
403 * cpp.1, gcov.1, gcc.1: Regenerate.
405 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
407 * cppfiles.c (stack_include_file): Generate dependencies
408 here, and manage include_count here too.
409 (PRINT_THIS_DEP): Delete.
410 (_cpp_execute_include): Do not generate dependencies here,
411 apart from the case of a missing header. Do not manage
413 (_cpp_read_file): Leave dependency generation to
416 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
418 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
419 target_cpu_default. Remove dead assignment to
422 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
424 * regclass.c (contains_reg_of_mode): Make global.
425 (init_reg_sets): Remove contains_reg_of_mode; take into account
426 CLASS_MAX_NREGS when looking for the proper mode.
427 (dump_regclass): Dump only classes considered for the pseudo.
428 (regclass): Use contains_reg_of_mode.
430 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
432 * gcc.c (do_spec_1): 'n' for printing notices.
433 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
435 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
437 * reg-stack.c (next_flags_user): Use current_block->end
438 (swap_rtx_condition): Look for next user if flags don't die;
439 give up on CALL_INSNs; use current_block->end.
441 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
443 * sibcall.c (call_ends_block_p): New function.
444 (optimize_sibling_and_tail_recursive_call): Use it.
446 2001-02-18 Kazu Hirata <kazu@hxi.com>
448 * config/h8300/h8300.md: Update copyright.
449 (andsi3): Do not output an extra newline character.
451 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
453 * toplev.c (note_deferral_of_defined_inlined_function): Argument
454 FNDECL may be unused.
456 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
457 follow jumps after first run.
458 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
459 it doesn't change any jumps.
461 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
463 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
464 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
465 (mostlyclean): Corresponding changes.
466 * rtlanal.c (hard-reg-set.h): Include.
467 (rtx_unstable_p): Do not treat the argument pointer specially
468 if it is not a fixed register.
469 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
471 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
473 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
474 against last real insn in basic block.
475 Rework to avoid gotos.
477 * Makefile.in (gcse.o): Now includes ggc.h.
478 * gcse.c: Include ggc.h.
479 (want_to_gcse_p): Verify expression can be in SET as valid insn.
480 (try_replace_reg): Remove warning of uninitialize variable.
481 (process_insert_insn): Call invalid_insn_p to validate insn.
482 * recog.c (insn_invalid_p): Now global.
483 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
484 * recog.h (insn_invalid_p): New declaration.
486 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
488 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
489 assignments from FP constants since 'Y' output code can't handle it.
490 (eligible_for_sibcall_delay): Likewise.
492 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
493 Call fancy_abort directly, passing args.
494 (print_rtl_and_abort): Now a macro, like fancy_abort.
496 * final.c (output_operand_lossage): Use internal_error, not error.
498 2001-02-18 Shane Nay <shane@agendacomputing.com>
500 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
501 structure shift insns.
503 2001-02-18 Mark Mitchell <mark@codesourcery.com>
505 * invoke.texi (-fsquangle): Remove documentation.
506 (-fname-mangling-version): Likewise.
508 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
510 * optabs.c (expand_abs): Remove reference to
511 HAVE_contitional_arithmetic.
512 * combine.c (simplify_set): Likewise.
514 2001-02-18 Richard Henderson <rth@redhat.com>
516 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
519 2001-02-18 Richard Henderson <rth@redhat.com>
521 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
523 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
525 * reload1.c (reload_cse_simplify_set): Fix typo.
527 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
529 * diagnostic.c (_fatal_insn): Decrement errorcount.
531 * invoke.texi (-I): Add note avoiding use for system header files.
533 * rtl.h (add_clobbers): Remove duplicate declaration.
534 * recog.h (added_clobbers_hard_reg_p): New declaration.
535 * genemit.c (struct clobber_pat): New field has_hard_reg.
536 (gen_insn): Record if added clobbers clobber hard reg.
537 (gen_split): Avoid unused warning if number of operands is 0.
538 (output_added_clobbers_hard_reg_p): New function.
541 2001-02-18 Alan Modra <alan@linuxcare.com.au>
543 * pa.c (hppa_expand_prologue): Simplify code storing return
544 pointer. For large (>=8k) frames with a post_store, adjust stack
545 pointer by 8k-64 first rather than by 64. When testing with
546 VAL_14_BITS_P, always use the actual value rather than the value
547 negated. Add blockage to prevent scheduling of spills before
548 stack frame has been created.
549 (hppa_expand_epilogue): Simplify code loading return pointer.
550 Allow a slightly larger range for merge_sp_adjust_with_load case.
551 When testing with VAL_14_BITS_P, always use the actual value.
553 * pa.c (pa_adjust_insn_length): Check that block move
554 pattern is a set before looking at operands.
556 2001-02-17 Mark Mitchell <mark@codesourcery.com>
558 * fold-const.c (fold_binary_op_with_conditional_arg): New
559 function, split out from ...
561 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
562 conditional arms that throw exceptions.
564 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
567 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
569 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
570 define HAVE_DECL_* to 1 to mask potential backup declarations.
571 * configure: Regenerated.
573 2001-02-17 Mark Mitchell <mark@codesourcery.com>
575 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
577 2001-02-17 Richard Henderson <rth@redhat.com>
579 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
580 when replacing a memory load with a register.
582 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
583 Jan Hubicka <jh@suse.cz>
585 * recog.c (validate_replace_src_1): New.
586 (validate_replace_src_data): Likewise.
587 (validate_replace_src): Use note_uses.
588 * rtl.h (note_uses): Declare.
589 * rtlanal.c (note_uses): New.
591 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
593 * reg-stack.c (stack_def): Make field reg unsigned.
594 (remove_regno_note): Unsignetize parameter.
596 2001-02-16 Jes Sorensen <jes@linuxcare.com>
598 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
599 shladd_operand() call.
601 2001-02-16 Bruce Korb <bkorb@gnu.org>
602 Rodney Brown <RodneyBrown@mynd.com>
604 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
605 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
607 * fixinc/fixincl.x: regen
609 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
611 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
613 (hash_scan_insn): Clean up calls to hash_scan_set.
614 (compute_kill_rd): REGNO now unsigned.
615 (try_replace_reg): Rework to use simplify_replace_rtx.
616 (cprop_jump, cprop_cc0_jump): Likewise.
617 (cprop_insn): Call find_reg_equal_equiv_note.
618 Reflect changes to cprop_jump and cprop_cc0_jump.
620 * recog.c (validate_replace_src): Replace in operands of
621 ZERO_EXTRACT in SET_DEST.
623 * cse.c (new_label_ref): New variable.
624 (insert): Set it instead of recorded_label_ref.
625 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
626 CODE_LABEL for this function, and not already in REG_LABEL note.
628 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
630 * resource.c (mark_referenced_resources): Fix typo in introductory
632 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
635 2001-02-16 Jason Merrill <jason@redhat.com>
637 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
639 (gen_subprogram_die): Don't abort on seeing a second definition if
640 the previous one was abstract. Don't replace an abstract instance
643 * dwarf2out.c (dwarf2out_abstract_function): Rename from
644 gen_abstract_function.
645 * dwarf2out.h: Declare it.
646 * toplev.c (note_outlining_of_inline_function): New fn.
647 * toplev.h: Declare it.
648 * integrate.c (output_inline_function): Call it.
649 * c-decl.c (duplicate_decls): Call it when redefining an extern
650 inline. Don't inline the new defn.
652 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
654 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
656 * .gdbinit: Rename to gdbinit.in.
657 * gdbinit.in: New file,
658 * configure.in: Generate .gdbinit from gdbinit.in.
659 * configure: Regenerated.
660 * Makefile.in (distclean): Always remove .gdbinit.
662 2001-02-16 Jakub Jelinek <jakub@redhat.com>
664 * objc/objc-act.c (start_class): Register implemented_classes with
667 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
669 * cppfiles.c (_cpp_make_system_header): Generate a file
672 2001-02-15 Jim Meyering <meyering@lucent.com>
674 * Makefile.in (install-common): Don't depend on installdirs here.
675 Instead, make each of the lang.install-common targets (e.g.,
676 c++.install-common in cp/Make-lang.in) depend on it.
677 (install-driver): Depend on installdirs.
679 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
681 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
683 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
686 2001-02-15 Mark Mitchell <mark@codesourcery.com>
688 * invoke.texi (--param): Document.
690 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
692 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
694 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
696 * i386.md (extendsfdf2_2): Fix constraints.
698 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
700 * i386.md (fop_df_3 splitter): Fix operand number.
702 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
704 * invoke.texi (-mreg-alloc): Nuke.
705 * i386.c (ix86_reg_alloc_order, regs_allocated,
706 order_regs_for_local_alloc): Nuke.
707 (override_options): Kill reg_alloc code.
708 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
709 (REG_ALLOC_ORDER): SSE goes before I387.
710 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
711 (ix86_reg_alloc_order): Likewise.
712 * i386-protos.h (ix86_reg_alloc_order): Kill.
714 2001-02-14 Richard Henderson <rth@redhat.com>
716 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
718 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
720 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
722 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
724 * i386-protos.h (ix86_memory_move_cost): Move offline.
725 * i386.c (ix86_register_move_cost): Compute properly cost of
726 SSE, MMX and i387 instructions.
727 (*_cost): Add costs of SSE/MMX moves.
728 (ix86_memory_move_cost): Move offline from ....; Likewise.
729 * i386.h (MEMORY_MOVE_COST): .... here;
730 (struct processor costs): Add new fields to represent costs
733 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
735 * regclass.c (init_reg_sets_1): Reinstall the optimization of
736 move_cost together with Matt Kraai's fix.
738 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
740 * Makefile.in (OBJS): Add params.o.
742 2001-02-14 Richard Henderson <rth@redhat.com>
743 DJ Delorie <dj@redhat.com>
745 * jump.c (jump_optimize_1): When we delete a conditional jump
746 preceeding a non-conditional jump to effectively the same place,
747 make sure that the combined jump skips any clobber insns between
750 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
752 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
754 2001-02-14 Mark Mitchell <mark@codesourcery.com>
756 * Makefile.in (toplev.o): Depend on params.h.
757 (intergate.o): Likewise.
758 (params.o): New target.
759 * flags.h (inline_max_insns): Remove.
760 * integrate.c: Include params.h.
761 Use MAX_INLINE_INSNS instead of inline_max_insns.
762 * params.c: New file.
763 * params.h: Likewise.
764 * params.def: Likewise.
765 * toplev.c: Include params.h.
766 (lang_independent_params): New variable.
767 (decode_f_option): Use the param machinery instead of setting
769 (independent_decode_option): Handle "--param name=value".
770 (main): Register language-independent parameters.
772 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
774 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
776 2001-02-14 Richard Henderson <rth@redhat.com>
778 * regclass.c (init_reg_sets_1): Revert last two changes.
780 2001-02-14 Jakub Jelinek <jakub@redhat.com>
782 * stor-layout.c (is_pending_size, put_pending_size): New functions.
783 (variable_size): Call put_pending_size.
784 * tree.h (is_pending_size, put_pending_size): Add prototypes.
785 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
786 sizes list, put newly created SAVE_EXPR there as well.
788 2001-02-14 Jakub Jelinek <jakub@redhat.com>
790 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
791 (errata_find_address_regs): load_group has only 2 entries.
792 (errata_emit_nops): Likewise. shladd is not problematic.
793 Clear last_group if nop was emitted.
794 (fixup_errata): load_group has only 2 entries.
797 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
799 * c-lex.c (lex_number): Only warn traditionally for U suffix
800 outside system macros.
801 * cppexp.c (parse_number): Similarly.
802 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
803 * cppmacro.c (struct cpp_macro): New member node.
804 (parse_args): Only warn about missing rest args if not
806 (funlike_invocation_p): Similarly for uninvoked funlike macros.
807 (cpp_sys_objmacro_p): New.
808 (_cpp_create_definition): Store the node with the macro defn.
809 Remember if the macro is defined in a system header.
811 2001-02-13 DJ Delorie <dj@redhat.com>
813 * configure.in (check_languages): determine languages to check
814 * Makefile.in (check-c++): alias for check-g++
815 (check-f77): alias for check-g77
816 (CHECK_TARGETS): depend on configured languages
818 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
820 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
821 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
822 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
823 (sqrtextendsfdf2): Disable for SSE2.
825 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
827 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
828 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
829 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
830 (sqrtextendsfdf2): Disable for SSE2.
832 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
834 * i386.md (movsfcc_1): Support integer cmove instruction.
835 (movdfcc_1): Likewise; new splitter.
837 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
839 * i386.c (output_fp_compare): Support SSE.
840 (prepare_fp_compare_args): SSE comparisons always support memory.
841 * i386.h (TARGET_CMOVE): SSE imply cmove.
842 * i386.md (cmp?f2): Enable for SSE too.
843 (cmpfp_i*): Support SSE.
845 (cmpfp_i_sse_only): New.
846 (s*, b* fp expanters): Enable for SSE too.
847 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
850 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
852 * regclass.c (init_reg_sets_1): Silence warning.
854 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
856 * i386.md (sqrt?f2): Change to expander.
857 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
859 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
861 * rtlanal.c (find_reg_equal_equiv_note): New function.
862 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
863 (simplify_gen_relational, simplify_replace_rtx): Likewise.
864 * rtl.h: Add declarations for above functions.
866 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
868 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
870 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
871 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
872 * flow.c (mark_regs_live_at_end): Likewise.
873 (calculate_global_regs_live): Likewise.
874 * gcse.c (compute_hash_table): Likewise.
875 (compute_kill_rd): Likewise.
876 * resource.c (mark_target_live_regs): Likewise.
877 * rtl.h (INVALID_REGNUM): New macro.
879 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
881 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
883 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
885 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
888 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
890 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
892 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
893 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
894 (fop_sf_1_sse, fop_df_1_sse): New patterns
895 (fop_*): Disable float_extend and float patterns for SSE compilation.
896 * i386.c (output_387_binary_op): Support SSE.
898 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
900 * i386.md (dummy_extendsfdf2): Support SSE2
901 (extendsfdf2): Enable if 80387 or SSE2.
902 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
904 (extendsfdf2_1_sse_only): New pattern.
905 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
907 (truncdfsf2_1): Support SSE.
908 (truncdfsf2_2): Support SSE.
909 (truncdfsf2_2_1_sse): New pattern.
910 (fixtruncsfsi2): Always use SSE if available.
911 (fix_truncsfsi_sse): New pattern.
912 (fix_truncdfsi_sse): New pattern.
913 (floatsis?f2): Support SSE.
914 (floatsidf2_i387): New pattern.
915 (floatsidf2_sse): Likewise.
917 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
919 * configure.in: Use "have_gnat" variable, not "gnat".
920 * configure: Regenerated.
922 * config/sparc/sparc.c (function_value): Treat all non-record
923 aggregate types like used to treat UNION_TYPE.
925 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
927 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
928 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
930 (MASK_MIX_SSE_I387): New.
931 (TARGET_SSE): SSE2 imply SSE.
932 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
933 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
934 (enum reg_class): Add new classes.
935 (REG_CLASS_NAMES): Likewise.
936 (REG_CLASS_CONTENTS): Likewise.
937 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
938 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
939 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
940 (CLASS_MAX_NREGS): Use new macros.
941 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
942 * i386.md (pushsf, movsf): Support SSE.
943 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
944 splitters to use ANY_FP_REGNO_P.
945 (movdf_nointeger, movdf_integer): Likewise.
947 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
949 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
950 (try_combine): Use it.
952 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
954 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
955 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
956 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
957 (REGISTER_MOVE_COST): Likewise.
958 * i386-protos.h (ix86_secondary_memory_needed,
959 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
960 * i386.c (ix86_secondary_memory_needed,
961 ix86_preferred_reload_class, ix86_register_move_cost): New function.
963 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
965 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
966 (HARD_REGNO_MODE_OK): Move offline to ....
967 * i386.c (ix86_hard_regno_mode_ok) ... here;
968 refuse all incorrect modes.
969 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
971 2001-02-13 Richard Henderson <rth@redhat.com>
973 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
974 entire operator; replicate that and match_dup the operands.
975 (cmp_ccx_arith_op_set): Likewise.
976 (cmp_cc_arith_op_not_set): Likewise.
977 (cmp_ccx_arith_op_not_set): Likewise.
979 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
981 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
983 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
985 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
986 (TARGET_NO_BITFIELD_WORD): New macro.
987 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
988 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
990 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
992 * cselib.c: New file, from simplify-rtx.c.
993 * simplify-rtx.c: Remove cselib parts.
994 * Makefile.in: Add cselib.o.
996 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
998 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
999 (setup_incoming_varargs): Remove warning.
1001 * config/rs6000/rs6000.c (validate_condition_mode): When
1002 flag_fast_math, allow floating-point conditionals to be reversed.
1003 (rs6000_generate_compare): When flag_fast_math, don't generate
1004 cror operations for FP conditionals.
1006 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
1008 (ASM_SPEC): Likewise.
1009 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
1010 (CC1_SPEC): Likewise.
1011 (LINK_TARGET_SPEC): Likewise.
1012 (CPP_ENDIAN_SPEC): Likewise.
1013 * Makefile.in (check-consistency): New target.
1015 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
1017 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
1018 "return type defaults" warning for functions with return type
1020 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
1021 function declarations by default rather than only when pedantic.
1023 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
1025 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
1028 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
1030 * extend.texi (Deprecated): Deprecate new initializer lists.
1032 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
1034 * mkdeps.c (deps_add_default_target): Robustify. Add
1035 basename component only.
1036 * cpp.texi (-M): Describe how default target is generated.
1037 * invoke.texi (-M): Likewise.
1039 2001-02-12 Kazu Hirata <kazu@hxi.com>
1041 * toplev.c (push_float_handler): Remove.
1042 (pop_float_handler): Remove.
1043 * toplev.h: Remove prototypes for the above functions.
1045 2001-02-12 Jakub Jelinek <jakub@redhat.com>
1047 * c-common.c (constant_fits_type_p): New function.
1048 (convert_and_check): Use it.
1050 2001-02-11 Mark Mitchell <mark@codesourcery.com>
1052 * Makefile.in (GXX_ABI_FLAG): Don't define.
1053 * configure.in (--enable-new-gxx-abi): Remove option.
1054 * config.in: Regenerated.
1055 * configure: Likewise.
1057 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
1059 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
1061 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
1062 regular basic block, and arrange for all edges into it to switch
1065 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1067 * Makefile.in (distclean): Do not remove .gdbinit.
1069 2001-02-11 Mark Mitchell <mark@codesourcery.com>
1071 * Makefile.in (gcc.o): Fix typos.
1072 (protize.o): Likewise.
1073 (unprotoize.o): Likewise.
1075 2001-02-11 Richard Henderson <rth@redhat.com>
1077 * tree.c (build1): Check for null operand in last change.
1079 2001-02-11 Richard Henderson <rth@redhat.com>
1081 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
1082 (fold): Don't assume a constant isn't foldable.
1083 * tree.c (build): Set TREE_CONSTANT for an expression with no
1084 side-effects and constant operands.
1087 2001-02-10 Richard Henderson <rth@redhat.com>
1089 * jump.c (squeeze_notes): Revert 2000-05-12 change.
1091 2001-02-10 Anthony Green <green@redhat.com>
1093 * cpp.texi (Standard Predefined): Add documentation for
1096 * c-common.c (combine_strings): Improve warning message.
1098 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
1100 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
1102 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
1104 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
1106 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
1109 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
1111 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
1114 2001-02-09 Nick Clifton <nickc@redhat.com>
1116 * config/arm/arm.md: Change output contraint on post inc
1117 load/store multiple patterns to be a read/write contraint.
1119 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
1121 * gcc.c (cpp_options): Delete .d files on error. Don't delete
1122 .o files when using the -M options.
1124 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1125 David Edelsohn <edelsohn@gnu.org>
1127 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
1128 handle DImode constants. Use one TOC entry for SImode and smaller
1129 constants, aligned properly.
1131 2001-02-08 Jason Merrill <jason@redhat.com>
1133 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
1134 about the SP adjustment for saving the static chain pointer.
1135 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
1136 offset when setting a temporary CFA register.
1138 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
1140 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
1141 powerpc-*-chorusos* .
1142 * config/rs6000/chorus.h : New file.
1143 * config/i386/chorus.h : New file.
1144 * config/sparc/chorus.h : New file.
1145 * config/sparc/t-chorus-elf : New file.
1147 2001-02-08 David Edelsohn <edelsohn@gnu.org>
1149 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
1150 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
1151 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
1152 (__WCHAR_TYPE__): Correct macro name.
1154 2001-02-08 Richard Henderson <rth@redhat.com>
1156 * config/i386/i386.c (ix86_frame_pointer_required): New.
1157 (ix86_setup_frame_addresses): New.
1158 (struct machine_funciton): Add accesses_prev_frame.
1159 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
1160 ix86_frame_pointer_required.
1161 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
1162 (SETUP_FRAME_ADDRESSES): New.
1163 * config/i386/i386-protos.h: Update.
1164 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
1165 from FRAME_POINTER_REQUIRED.
1166 * config/i386/svr3gas.h: Likewise.
1167 * config/i386/sysv3.h: Likewise.
1168 * config/i386/v3gas.h: Likewise.
1170 2001-02-08 Richard Henderson <rth@redhat.com>
1172 * config/sparc/sparc.c (function_arg_record_value_3): Fix
1173 calculation of the number of integer registers required.
1174 (function_arg_record_value): Likewise.
1176 2001-02-08 Jason Merrill <jason@redhat.com>
1178 * diagnostic.c (internal_error): Say "confused" after 1 error, not
1179 two. Print file and line with "confused" message.
1181 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
1183 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1185 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
1187 2001-02-08 Bernd Schmidt <bernds@redhat.com>
1189 * final.c (cleanup_subreg_operands): The address of a MEM can
1192 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
1195 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
1197 * gcc.texi (Incompatibilities): Update documentation of
1198 preprocessing numbers.
1200 2001-02-07 Jakub Jelinek <jakub@redhat.com>
1202 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
1204 2001-02-07 Mark Mitchell <mark@codesourcery.com>
1206 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
1208 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
1209 * gcc.c (struct compiler): Add cpp_spec field.
1210 (input_file_compiler): New variable.
1211 (do_spec_1): Allow a particular compiler to handle `%C'
1213 (main): Store the current compiler in input_file_compiler.
1214 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
1216 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
1218 * cpphash.h (struct spec_nodes): Add n_true and n_false.
1219 * cppinit.c (cpp_create_reader): Initialize them.
1220 (append_include_chain): cxx_aware arg might be unused.
1221 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
1222 keywords and give them their phase 7 meaning. Pedwarn about
1223 this unless '__bool_true_false_are_defined' is defined.
1225 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
1227 * lcm.c (optimize_mode_switching): Emit mode_set before the
1228 JUMP_INSN of an abnormal edge.
1230 2001-02-07 Bernd Schmidt <bernds@redhat.com>
1232 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
1233 a scheduling barrier at the end.
1235 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
1237 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
1239 * config/sh/sh.md (reload_outsf): Removed.
1240 (movsf_ie): Introduce constraints for FPUL loads and stores.
1241 (reload_insf): Broaden the output constraint.
1243 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
1245 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
1246 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
1248 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
1250 * final.c: Revert my previous changes.
1251 * output.h: Make profile_label_no extern.
1252 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
1253 for generating label.
1255 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
1257 * config/i386/djgpp.h: Add comments about standard paths.
1258 (MD_EXEC_PREFIX): Undefine before defining.
1259 (MD_STARTFILE_PREFIX): New.
1261 2001-01-30 Bruce Korb <bkorb@gnu.org>
1263 fixinc/fixincl.c(process): Emit error message only if appropriate :)
1264 (load_file): do not rely on load_file_data() to close file pointer
1265 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
1266 fixinc/inclhack.def(irix_limits_const): add test_text
1268 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
1270 * cppexp.c (parse_defined): Improve diagnostics for invalid
1273 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
1275 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
1277 2001-02-06 Mark Mitchell <mark@codesourcery.com>
1279 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
1280 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
1281 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
1282 (rs6000_output_symbol_ref): New function.
1283 (output_toc): Use VTABLE_NAME_P.
1285 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1287 * print-tree.c (print_node, case PARM_DECL):
1288 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
1290 * stor-layout.c (reference_types_internal): New variable.
1291 (internal_reference_types): New function.
1292 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
1293 * tree.h (internal_reference_types): New declaration.
1295 * cse.c (find_best_addr): Fix typo in computing cost.
1297 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1299 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
1300 and this is the sum of a pointer and a constant, we know the result
1302 (num_sign_bit_copies, case PLUS): Likewise.
1303 * explow.c (convert_memory_address): Remove opposite SUBREG.
1304 * function.c (instantiate_new_reg): New function (from common code).
1305 (instantiate_virtual_regs_1): Call it.
1306 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
1307 if pointers sign- or zero-extend.
1308 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
1309 If pointers extend unsigned, use inside of SUBREG.
1310 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
1312 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
1314 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
1315 subdir of gcc_gxx_include_dir.
1316 (gcc_gxx_target_include_dir): Remove.
1318 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
1320 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
1321 (dwarf2out_frame_debug_expr): Revise introductory comments to add
1322 a high-level description.
1324 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
1326 * final.c: Move the declaration of profile_label_no to ...
1327 * output.h: ... here.
1328 * function.c (expand_function_start): Call PROFILE_HOOK.
1329 * config/rs6000/aix.h: Define PROFILE_HOOK.
1330 * config/rs6000/rs6000-protos.h: output_profile_hook new.
1331 * config/rs6000/rs6000.c (output_profile_hook): Define.
1332 (output_prolog): Do nothing for ABI_AIX as it is taken care by
1333 output_profile_hook.
1334 tm.texi : Explain new macro PROFILE_HOOK.
1336 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
1338 * extend.texi (Extended Asm): Do not say that semicolon is always
1339 a valid line-breaking character for GNU assemblers. Use
1340 newline-tab as the most commonly supported syntax. Use
1341 newline-tab rather than semicolon in multi-insn examples.
1343 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1345 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
1347 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1348 David Edelsohn <edelsohn@gnu.org>
1350 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
1351 code for AIX, even without flag_pic.
1353 2001-02-05 Jakub Jelinek <jakub@redhat.com>
1355 * c-typeck.c (common_type): push and pop binding level around
1356 calling common_type on function parameters.
1358 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
1360 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
1362 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1364 * config/mips/mips.c (override_options): Fix typo in last change.
1365 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
1366 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
1368 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
1370 * invoke.texi (-fdump-class-layout): Document.
1371 (-fdump-translation-unit): Use `=' as filename separator.
1373 2001-02-05 Mark Mitchell <mark@codesourcery.com>
1375 * Makefile.in (s-mlib): Don't build multilibs if
1377 (DRIVER_DEFINES): Adjust accordingly.
1379 (protoize.o): Likewise.
1380 (unprotoize.o): Likewise.
1381 * configure.in: Recognize --enable-multilib.
1383 2001-02-04 Mark Mitchell <mark@codesourcery.com>
1385 * Makefile.in (DRIVER_DEFINES): Fix quoting.
1387 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
1388 * configure.in: Remove --enable-libstdcxx_v3 support.
1389 * configure: Regenerated.
1391 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1393 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
1394 Call abort instead of fatal.
1395 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
1396 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
1397 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
1398 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
1399 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
1400 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
1402 * diagnostic.h (set_internal_error_function): Renamed.
1403 * toplev.h (internal_error): Renamed from fatal.
1404 (pfatal_with_name): Deleted.
1405 (fatal_io_error): Now has printf-style arguments.
1406 * diagnostic.c (pfatal_with_name): Deleted.
1407 (fatal_io_error): Rework to have args in printf-style.
1408 (set_internal_error_function): Renamed from set_fatal_function.
1409 (internal_error): Renamed from fatal.
1410 (error_recursion, fancy_abort): Call internal_error instead of fatal.
1411 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
1412 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
1413 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
1414 * flow.c (verify_flow_info): Likewise.
1415 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
1416 * config/mips/mips.c (save_restore_insns): Likewise.
1418 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
1419 * flow.c (verify_flow_info): Likewise.
1420 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
1421 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
1422 (avr_normalize_condition): Likewise.
1423 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
1424 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
1425 (limit_reload_class, double_reg_to_memory): Likewise.
1426 (print_operand_address, emit_1600_code_shift): Likewise.
1427 (gen_tst_reg, gen_compare_reg): Likewise.
1428 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
1429 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
1431 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
1433 * c-parse.in (methoddef): Call fatal_error instead of fatal.
1434 * objc/objc-act.c (build_ivar_chain): Likewise.
1435 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
1437 * graph.c (clean_graph_dump_file): Likewise.
1438 * profile.c (init_branch_prob): Likewise.
1439 * objc/objc-act.c (objc_init): Likewise.
1441 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
1442 * config/avr/avr.c (avr_override_options): Likewise.
1443 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
1444 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
1445 * config/h8300/h8300.c (h8300_init_once): Likewise.
1446 * config/mips/mips.c (override_options): Likewise.
1447 * config/i386/i386.c (override_options): Likewise, rework.
1448 * config/m68k/m68k.c (override_options): Likewise.
1450 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
1452 * config/mips/mips.c (print_operand): Likewise.
1453 * hash.c (hash_allocate): Don't check for failure returns from
1454 obstack functions that can't fail.
1455 (hash_table_init_n, hash_table_init): Likewise; also now return void.
1456 * hash.h (hash_table_init_n, hash_table_init): Now return void.
1457 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
1458 (get_object_reference): Likewise.
1460 2001-02-04 Nick Clifton <nickc@redhat.com>
1462 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
1463 StrongARM1110, 10TDMI, and 1020T.
1465 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1467 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
1469 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
1471 * config/sh/sh.md (movdf load split): Pass register number to
1472 FP_OR_XD_REGISTER_P.
1474 2001-02-04 Mark Mitchell <mark@codesourcery.com>
1476 * cppinit.c (BC): New macro.
1477 (builtin_array): Add __GXX_WEAK__.
1478 * cpplib.h (builtin_type): Add BT_WEAK.
1479 * cppmacro.c (builtin_macro): Handle BT_WEAK.
1480 * defaults.h (SUPPORTS_ONE_ONLY): Define.
1481 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
1483 2001-02-03 Jakub Jelinek <jakub@redhat.com>
1485 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
1487 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
1489 * cpphash.h: Rename _ALIGN POOL_ALIGN.
1490 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
1492 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
1494 * cpphash.h: Rename ALIGN _ALIGN.
1495 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
1497 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
1499 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
1500 compilation environment.
1501 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
1502 control over location of cygwin includes and libs.
1504 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
1506 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
1508 2001-02-02 lars brinkhoff <lars@nocrew.org>
1510 * md.texi (Standard Names): remove reference to spur.md.
1512 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
1514 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
1515 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
1516 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
1517 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
1518 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
1520 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1522 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
1523 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
1524 number before reload.
1525 (c4x_adjust_cost): Return zero before reload.
1526 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
1527 split before reload.
1529 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1531 * c4x.c (c4x_hard_regno_rename_ok): New.
1532 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
1533 * c4x.h (HARD_REGNO_RENAME_OK): Define.
1535 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1537 * diagnostic.h: Add missing "extern" in all declarations.
1539 2001-02-02 Alex Samuel <samuel@codesourcery.com>
1541 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
1542 as for gcc_gxx_include_dir.
1544 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
1546 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
1548 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
1550 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
1551 label before alignment to be used as the braf base address.
1552 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
1554 (casesi_jump_2): Require at least TARGET_SH2.
1556 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
1557 truncation to 32-bit doubles on -m3e and -m4-single-only.
1559 2001-02-02 Mark Mitchell <mark@codesourcery.com>
1561 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
1562 the default when building a shared object.
1563 (init_spec): Use it.
1564 * testsuite/lib/g++.exp: Include the directory where libgcc
1565 is located to the LD_LIBRARY_PATH list.
1566 * invoke.texi (-shared-libgcc): Document the cases in which
1567 GCC defaults to using the shared libgcc.
1569 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
1571 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
1572 unsigned is wide enough.
1574 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
1575 (si_to_float): Likewise.
1576 (float_to_si, float_to_usi): Use BITS_PER_SI.
1578 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
1580 * dwarf2out.c: Added explanation of abbreviations.
1581 (def_cfa_1): Added comments listing DWARF2 instructions.
1582 (cfa_temp_reg): Removed in favor of cfa_temp.
1583 (cfa_temp_value): Removed in favor of cfa_temp.
1584 (cfa_temp): New global variable.
1585 (dwarf2out_frame_debug_expr): Added extensive introductory
1586 comments explaining the function's transformations. Revised to
1587 use cfa_temp. Added some rtx checking. Generalize IOR case.
1588 (dwarf2out_frame_debug): Revised to use cfa_temp.
1589 (output_aranges): Cast as "unsigned" to avoid warning.
1590 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
1591 explain which instructions must be marked.
1593 2001-02-01 Richard Henderson <rth@redhat.com>
1595 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
1598 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
1600 * config/sh/crt1.asm (main_k): Modified so that start calls
1601 ___setup_argv_and_call_main.
1603 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
1605 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
1606 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
1607 and AVOID_LPASTE is cleared on meeting an unescaped newline.
1608 * cppmacro.c (builtin_macro): Set builtin flags here.
1609 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
1610 (replace_args): Clarify intent.
1611 (cpp_get_token): Macro expansion tokens get the saved flags.
1613 * cppmain.c (scan_buffer): Remove now-redundant print.printed
1616 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
1618 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
1621 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1623 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
1624 returns Pmode pseudo, but we need ptr_mode.
1625 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
1626 Remove bogus conversions; use HOST_WIDE_INT for size.
1627 Don't use TARGET if wrong mode.
1629 * config/i386/i386.c (ix86_compute_frame_size): Allow
1630 stack_alignment_needed to be non-default even if size is zero.
1632 2001-01-31 Alan Modra <alan@linuxcare.com.au>
1634 * (hppa_init_pic_save): Emit the pic offset table
1635 reg save after last_parm_insn.
1636 * pa.c (hppa_init_pic_save): New function.
1637 * pa.h (hppa_init_pic_save): Declare.
1638 * pa.md (call, call_value, sibcall, sibcall_value): Use
1639 the above instead of duplicated code.
1641 * pa.c (hppa_encode_label): Correct size of alloca buffer
1642 so we don't overrun it. Correct leading `*' case.
1643 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
1644 need to handle `*@'.
1645 (FUNCTION_NAME_P): Likewise.
1647 2001-01-31 Richard Henderson <rth@redhat.com>
1649 * config.gcc (alpha-osf5): Use float-i128.h.
1651 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
1652 * config/float-i32.h: Likewise.
1653 * config/float-i64.h: Likewise.
1654 * config/float-sh.h: Likewise.
1655 * config/float-sparc.h: Likewise.
1657 2001-01-31 DJ Delorie <dj@redhat.com>
1659 * expmed.c (extract_bit_field): allow non-integral modes if we
1660 want to extract a whole register from itself.
1662 2001-01-31 Jakub Jelinek <jakub@redhat.com>
1664 * c-typeck.c (set_init_index): If first is equal to last, assume as
1665 if it was not a range at all.
1667 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
1669 * config/fp-bit.c: Include tm.h.
1670 (float_to_si): Don't assume SImode is 32-bits wide.
1671 (float_to_usi): Likewise.
1673 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
1675 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
1677 (typename): Call pending_xref_error after parsing typed_typespecs.
1678 * c-decl.c (lookup_tag): Give error immediately rather than
1679 leaving it pending if the tag of the wrong type is in the same
1681 (xref_tag): Don't pedwarn for forward declarations of enum types
1683 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
1686 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
1688 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
1690 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
1692 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
1693 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
1695 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
1697 * cpphash.h (struct cpp_reader): New saved_flags.
1698 * cppmacro.c (cpp_get_token): Use saved_flags to remember
1699 to avoid a paste after a pasted token.
1701 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
1703 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
1704 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
1705 Wtype_MIN instead of LONG_MIN.
1707 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
1709 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
1711 * fixinc/fixincl.x: Regenerated.
1712 * fixinc/inclhack.def (irix_limits_const): New definition to
1713 convert "const" to "__const" in limits.h.
1715 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
1717 * fixinc/genfixes (AG): Fix "autogen4" thinko.
1719 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1721 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
1722 when register dies in the insn.
1724 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
1726 * diagnostic.c (fatal): Fix word wrap.
1728 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
1730 * combine.c (try_combine): Fix SUBREG setting for
1731 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
1733 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1735 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
1738 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
1740 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
1742 * toplev.c (decode_W_option): Update warn_larger_than
1743 unconditionally for each processed switch.
1745 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
1747 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
1749 (hppa_expand_prologue): Delete code to save pic offset table register
1750 in the function prologue.
1751 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
1752 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
1753 table register at the beginning of the function after the prologue.
1755 2001-01-29 lars brinkhoff <lars@nocrew.org>
1757 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
1759 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
1760 Jeff Law <law@redhat.com>
1762 * pa.md (return): Revise comment for trivial return.
1763 (return_internal): Non-trivial return pattern for non-PIC code.
1764 (return_internal_pic): Non-trivial return pattern for PIC code.
1765 It uses the PIC register to ensure it is restored after
1767 (epilogue): Generate appropriate return for PIC and non-PIC code.
1769 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
1771 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
1773 2001-01-29 DJ Delorie <dj@redhat.com>
1775 * combine.c (if_then_else_cond): Pass the correct mode to
1776 operand_subword() for constants.
1778 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
1780 * config/i386/cygwin.h: Add w32api to include search. Search different
1781 directories in a cross-build environment.
1783 2001-11-29 Tim Josling <tej@melbpc.org.au>
1785 * tree.h (TYPE_STUB_DECL): Add documentation.
1787 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
1789 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
1790 (sdbout_field_types): Likwise. Fix use of host_integerp.
1792 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
1794 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
1797 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
1799 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
1800 to use flag_gnu_linker.
1802 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
1804 * cpplib.c (T_BAD_DIRECTIVE): Remove.
1805 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
1807 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
1809 * tree.c, tree.h (build_parse_node): Remove; was identical to
1811 * c-lang.c (start_cdtor), objc/objc-act.c
1812 (build_module_descriptor): Use build_nt instead of
1815 2001-01-29 Jakub Jelinek <jakub@redhat.com>
1817 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
1818 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
1819 not have any upper bits set.
1821 2001-01-29 Phil Edwards <pme@sources.redhat.com>
1823 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
1825 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1827 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
1829 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
1831 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
1832 (integer_minus_one_node): Define.
1834 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
1836 * Makefile.in (bootstrap2-lean): Fix typo.
1838 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
1840 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
1841 : Don't set fe_value.
1842 * cpplib.h (AVOID_LPASTE): New flag.
1843 (struct cpp_hashnode): Remove fe_value.
1844 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
1845 * cppmacro.c (builtin_macro): Don't set flags here.
1846 (replace_args): Set AVOID_LPASTE flag on first token of an
1847 argument, and the token following it.
1848 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
1849 macro expansion, and on the token following it. Do it for
1851 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
1853 2001-01-27 Richard Henderson <rth@redhat.com>
1855 * config/alpha/t-ieee: Remove multilibbing.
1856 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
1858 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1860 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
1862 * Makefile.in: Remove all dependencies on defaults.h.
1863 * builtins.c: Don't include defaults.h.
1864 * c-common.c: Likewise.
1865 * c-decl.c: Likewise.
1866 * c-pragma.c: Likewise.
1867 * c-typeck.c: Likewise.
1868 * combine.c: Likewise.
1870 * frame-ia64.c: Likewise.
1871 * cppexp.c: Likewise.
1872 * crtstuff.c: Likewise.
1873 * dbxout.c: Likewise.
1874 * dwarf2out.c: Likewise.
1875 * dwarfout.c: Likewise.
1876 * emit-rtl.c: Likewise.
1877 * except.c: Likewise.
1879 * final.c: Likewise.
1880 * frame-dwarf2.c: Likewise.
1881 * libgcc2.c: Likewise.
1882 * optabs.c: Likewise.
1883 * profile.c: Likewise.
1884 * sdbout.c: Likewise.
1885 * toplev.c: Likewise.
1886 * tradcif.y: Likewise.
1888 * varasm.c: Likewise.
1890 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1892 * builtins.c (expand_builtin_fputs): Use size_one_node when
1893 transforming into fwrite.
1895 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
1897 * extend.texi (Attribute Syntax): New section.
1899 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
1901 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
1902 they didn't need fixing.
1904 2001-01-27 Janis Johnson <janis@us.ibm.com>
1906 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
1908 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
1909 to remove macro definitions that are duplicated from elfos.h.
1911 2001-01-27 Richard Henderson <rth@redhat.com>
1913 * config/i386/sco5gas.h: Move ...
1914 * config/usegas.h: ... here.
1915 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
1917 2001-01-27 Jakub Jelinek <jakub@redhat.com>
1919 * c-typeck.c (struct constructor_stack): Add range_stack member.
1920 (really_start_incremental_init): Clear it.
1921 (push_init_level): Save constructor_range_stack and clear it if
1922 pushing explicit braces.
1923 (pop_init_level): abort if constructor_range_stack is non-zero at
1924 explicit closing brace. Restore saved constructor_range_stack if
1927 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
1929 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
1930 into register was forced into memory.
1932 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
1934 * Makefile.in: Remove uses of + before $(MAKE).
1936 2001-01-26 Richard Henderson <rth@redhat.com>
1938 * stmt.c (cost_table): Remove.
1939 (COST_TABLE, cost_table_initialized): New.
1940 (estimate_case_costs): Use the later instead of the former.
1941 (balance_case_nodes): Likewise.
1943 2001-01-26 Richard Henderson <rth@redhat.com>
1945 * alias.c (objects_must_conflict_p): Read-only slots may not
1946 conflict despite having the same type.
1948 2001-01-27 Michael Hayes <mhayes@redhat.com>
1950 * loop.c (loop_giv_reduce_benefit): Copy mode size into
1952 (check_ext_dependant_givs): Initialise u_start_val and
1954 (load_mems): Make last_max_reg unsigned.
1955 (try_swap_copy_prop): Use INSN_P and initialise set.
1957 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
1959 * README.AVR : Removed.
1961 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
1963 * pa-64.h (text_section): Remove declaration.
1965 * pa.md (return_internal): Remove mode on PIC register use.
1967 2001-01-25 lars brinkhoff <lars@nocrew.org>
1969 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
1970 ASM_CLOSE_PAREN): fix typos.
1972 2001-01-25 Mark Mitchell <mark@codesourcery.com>
1974 * acconfig.h: Define `const' to the empty string if neither
1975 __STDC__ nor __cplusplus is defined.
1976 * config.in: Regenerated.
1978 2001-01-25 David Edelsohn <edelsohn@gnu.org>
1980 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
1981 * collect2.c (main): Delete importf. Add ".obj" file extension.
1982 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
1983 (aix_std_libs): Add additional AIX libraries to skip.
1984 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
1985 * config/rs6000/aix51.h: New file.
1987 2001-01-25 Michael Hayes <mhayes@redhat.com>
1989 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
1990 (loop_insn_emit_before): No longer static.
1991 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
1992 (loop_givs_rescan, load_mems): Likewise.
1993 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
1994 (maybe_eliminate_biv_1):
1995 (move_movables): Replace emit_call_insn_before with
1996 loop_call_insn_hoist.
1997 * loop.h (loop_insn_emit_before): Add.
1998 * unroll.c (copy_loop_body): Replace emit_insn_before with
1999 loop_insn_emit_before.
2001 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
2003 * diagnostic.c (fatal): Request preprocessed source.
2005 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
2007 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
2008 olddecl has argument types and newdecl has none, use the argument
2011 2001-01-24 Ulrich Drepper <drepper@redhat.com>
2013 * dwarf2out.c (prefix_of): New function. Determine longest common
2014 prefix of the two arguments. The units are whole path components.
2015 (output_file_names): When adding a new directory find the one entry
2016 with the longest common prefix already in the list. Artificially
2017 generate entry if there is none for this prefix.
2018 Fix test to check whether the zeroth directory entry is used.
2020 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
2022 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
2023 Changed all callers. Take it into account when deciding if a
2024 previously loaded value matches.
2026 2001-01-24 Richard Henderson <rth@redhat.com>
2028 * reload.c (find_reloads_subreg_address): Fail the substitution
2029 if the resulting address is insufficiently aligned.
2031 2001-01-24 DJ Delorie <dj@redhat.com>
2033 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
2034 check the original operand's mode also.
2035 * simplify-rtx.c (simplify_ternary_operation): Ditto.
2037 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
2039 * c-parse.in (cast_expr): Move compound literals from here ...
2040 (primary): ... to here. Use standard terminology "compound
2041 literal" instead of "constructor expression".
2043 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
2045 * gcc.1, cpp.1: Regenerate.
2047 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
2049 * calls.c (emit_library_call_value_1): Memory slot for
2050 pass-by-reference argument should have the mode of the argument,
2051 not of the pointer to it.
2053 2001-01-24 Tom Tromey <tromey@redhat.com>
2055 * gcc.texi (G++ and GCC): Mention gcj manual.
2056 (Standards): Link to section of manual mentioning gcj/Java
2059 2001-01-24 Jakub Jelinek <jakub@redhat.com>
2061 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
2062 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
2063 * tradcpp.c (main): Add -imacros or -include'd dependencies
2065 * cpp.texi (-M, -MM): Document -M -include behaviour.
2067 2001-01-24 Roger Collins <roger@ProProject.com>
2069 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
2071 2001-01-24 Will Cohen <wcohen@redhat.com>
2073 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
2074 whether registers are 32 bits or 64 bits in size.
2076 2001-01-24 Ben Elliston <bje@redhat.com>
2078 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
2080 2001-01-24 Richard Henderson <rth@redhat.com>
2082 * config/alpha/alpha.md (builtin_longjmp_internal): New.
2083 (builtin_longjmp): Use it instead of emit_indirect_jump.
2085 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
2087 * bb-reorder.c (make_reorder_chain_1): Handle case where
2088 jump edge goes to the same block as the fallthru edge.
2090 2001-01-23 Jim Wilson <wilson@redhat.com>
2092 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
2093 * frame.h (__ia64_personality_v1): Add prototype.
2094 * libgcc2.c (ia64_throw_helper): Change personality declaration to
2095 prototype form. Add void * cast to first argument to personality
2097 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
2098 (asctoe113): Likewise.
2099 * config/ia64/frame-ia64.c: Include eh-common.h.
2100 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
2102 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
2104 (itanium_split_issue): Add prototype.
2105 (gen_nop_type): Ifdef out.
2106 (find_best_packet): Initialize best_packet.
2107 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
2109 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
2110 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
2111 (flushrs): Add explicit stop bit at end.
2112 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
2115 2001-01-23 Chris Demetriou <cgd@broadcom.com>
2117 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
2119 * libgcc2.c (__terminate_func): Make variable static.
2120 (__terminate_set_func): New function to set __terminate_func.
2121 * libgcc2.h (__terminate_func_ptr): New typedef.
2122 (__terminate_set_func): New function.
2124 2001-01-23 Richard Henderson <rth@redhat.com>
2126 * flow.c (init_propagate_block_info): Don't consider unchanging
2127 memories for dead frame store elimination.
2129 2001-01-23 Richard Henderson <rth@redhat.com>
2131 * varasm.c (UNIQUE_SECTION): Move default implementation ...
2132 * defaults.h: ... here.
2134 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2136 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
2138 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
2140 * c-lex.c (lex_charconst): Fix typo: s/p/str.
2142 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2144 * rs6000.h (rs6000_return_addr): Move prototype from here...
2145 * rs6000-protos.h (rs6000_return_addr): ...to here.
2146 (rs6000_init_expanders): Delete prototype.
2148 2001-01-23 Nick Clifton <nickc@redhat.com>
2150 * invoke.texi: Replace , with \, inside @gccoptlist macros.
2151 (Spec Files): Document %B and %j and %. and %v3 and %M and
2152 %{S*&T} spec switches.
2154 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2156 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
2158 2001-01-23 Chris Demetriou <cgd@sibyte.com>
2159 Neil Booth <neil@daikokuya.demon.co.uk>
2161 * cpperror.c: Merge handlers of PEDWARN and WARNING.
2162 Have -Werror make pedantic warnings errors, like the
2165 2001-01-23 Phil Edwards <pme@sources.redhat.com>
2167 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
2169 2001-01-23 Jakub Jelinek <jakub@redhat.com>
2171 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
2172 * integrate.c (expand_inline_function): Initialize them.
2173 (subst_constants): If changing COMPARE so that both its arguments
2174 will be VOIDmode and the comparison mode will be lost, note
2175 compare_mode. Use the recorded compare_mode to optimize
2178 2001-01-23 Jason Merrill <jason@redhat.com>
2180 * dwarf2out.c (new_die): Use xcalloc.
2181 (output_die): Abort rather than emit a local reference to offset 0.
2183 2001-01-17 Andrew Haley <aph@redhat.com>
2185 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
2186 of a saved register; return NULL instead.
2187 (copy_reg): Take a pointer to a source register rather than a
2189 (next_stack_level): Remember the address in the stack frame of all
2191 Use the saved register pointer array as the source of the CFA.
2192 (throw_helper): Rewrite. Unwind once rather than twice and keep
2193 track of saved registers as we go.
2195 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2197 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
2198 * c4x.c (c4x_legitimize_reload_address): Remove.
2199 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
2200 reload address for ldp(k) insn.
2202 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
2204 * pa.md (return_internal): Add a USE of the PIC register to ensure
2205 it is restored after each call.
2206 (return expander): Corresponding changes.
2208 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2210 * rs6000.h (INIT_EXPANDERS): Delete.
2211 (RETURN_ADDR_RTX): Call rs6000_return_addr().
2212 * rs6000.c (rs6000_override_options): Call *_machine_status from
2214 (rs6000_init_expanders): ...instead of here. Delete.
2215 (rs6000_mark_machine_status): New function.
2216 (rs6000_init_machine_status): Use xcalloc.
2217 (rs6000_return_addr): Generate RTX for the return address.
2218 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
2219 (rs6000_stack_info): Use it.
2221 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
2223 * gthr-win32.h: Include errno.h to get a declaration for
2224 EINVAL and _mingw.h if the target is mingw32.
2226 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
2228 * cpp.texi: Correct typos.
2230 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2232 * explow.c (probe_stack_range): Ensure value passed to
2233 stack_check_libfunc is ptr_mode, not Pmode.
2235 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
2237 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
2238 case, don't use operand_subword to calculate a SUBREG that is
2241 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
2243 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2245 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
2246 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
2247 valid. If not replace it by equivalent insns.
2249 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2251 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
2252 contains SYMBOL_REF, LABEL_REF and CONST_INT.
2253 (c4x_U_constraint, symbolic_address_operand): Likewise.
2254 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
2256 (c4x_r11_set_p, c4x_check_laj_p): New functions.
2257 * c4x-protos.h (c4x_check_laj_p): Add prototype.
2258 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
2259 anulling slot because of silicon bug.
2260 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
2262 2001-01-22 Alan Modra <alan@linuxcare.com.au>
2264 * cppexp.c (parse_charconst): Change `mask' type to agree
2267 2001-01-21 Richard Henderson <rth@redhat.com>
2269 * config/i386/i386.c (ix86_asm_file_end): Disable putting
2270 pic_label_name in a linkonce section.
2272 2001-01-17 Philipp Thomas <pthomas@suse.de>
2274 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
2276 * configure: Regenerate.
2278 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
2280 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
2281 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
2283 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
2285 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
2286 If REVERSE nonzero then condition code in X must be reversed.
2287 (encode_section_info): Optimise if/else.
2288 (avr_function_value): Fix formatting.
2290 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
2291 (difficult_branch): Likewise.
2292 (rvbranch): Likewise.
2293 (difficult_rvbranch): Likewise.
2295 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
2297 * config/avr/libgcc.S: Fix comment.
2299 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
2301 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
2303 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
2305 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
2307 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
2309 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
2310 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
2311 * configure, config.in: Regenerate.
2312 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
2313 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
2314 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
2315 (doprint.o): New rule.
2317 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
2319 * c-typeck.c (digest_init): Handle boolean types as scalars.
2321 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2323 * stmt.c (expand_return): Don't return anything if size is zero.
2324 Delete redundant assignment to BYTES.
2325 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
2327 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
2329 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
2330 the same as the default library function names.
2331 * config/avr/avr.md: Document special characters after '%'.
2332 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
2333 knowing which of the call-used registers are really clobbered.
2334 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
2335 New. Both quotient and remainder from one libgcc.S call.
2336 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
2337 clobber as few registers as possible.
2338 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
2340 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
2342 * cppmacro.c (funlike_invocation_p): Don't move back up to the
2343 context of the top of the stack.
2345 2001-01-20 Jakub Jelinek <jakub@redhat.com>
2347 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
2348 (fixup_var_refs_insns): ...here.
2350 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
2352 * function.c (fixup_var_refs_insns): Break up into
2353 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
2354 [loop over entire insn list], and fixup_var_refs_insns_with_hash
2355 [loop over hash table entries].
2356 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
2357 fixup_var_refs_insns_with_hash, to match above changes.
2359 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
2361 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
2362 (libgcc.a): Likewise.
2363 (stmp-multilib): Likewise.
2364 (STAGE2_FLAGS_TO_PASS): Likewise.
2366 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
2368 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
2369 temporary if no_new_pseudos.
2371 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
2373 * cppinternals.texi: Update.
2375 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
2377 * arm.c (arm_init_builtins): Re-enable builtins.
2379 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2381 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
2382 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
2383 element to be null, and always expect an EXPR_LIST.
2384 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
2385 * sched-deps.c (sched_analyze_1): Likewise.
2386 * sched-rgn.c (check_live_1, update_live_1): Likewise.
2388 * regclass.c (max_set_parallel): New variable.
2389 (reg_scan): Take it into account in computation of max_parallel.
2390 (reg_scan_mark_refs, case SET): Compute it.
2392 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
2394 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
2395 * function.c (assign_parms): Use INTVAL for a CONST_INT.
2397 2001-01-19 Jason Merrill <jason@redhat.com>
2399 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
2400 for the abstract instance of an inline function.
2402 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
2403 J"orn Rennecke <amylaar@redhat.com>
2405 * reload1.c (move2add_note_store): Treat all registers directly or
2406 indirectly derived from a base register as members of the same set
2408 (reload_cse_move2add): Adjust accordingly. Take mode and offset
2409 of base register into account.
2411 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
2413 * alias.c (find_base_value): Recognize TRUNCATE.
2414 (record_set): In PLUS case, invalidate if other summand is also a
2417 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2419 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
2420 entry to be EXPR_LIST.
2421 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
2422 be an EXPR_LIST (but not null, which other code doesn't allow).
2423 (note_stores): Properly handle PARALLEL in SET.
2424 Recursively call for top-level PARALLEL.
2425 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
2426 * sched-rgn.c (check_live_1, update_live_1): Likewise.
2428 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
2430 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
2432 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
2433 not pfile->skipping (== 0).
2435 2001-01-17 Nick Clifton <nickc@redhat.com>
2437 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
2440 2001-01-17 Jim Wilson <wilson@redhat.com>
2442 * invoke.texi (IA-64 options): Improve.
2444 2001-01-17 Tom Tromey <tromey@redhat.com>
2446 * invoke.texi (Optimize Options): Use `{}' to around @samp
2449 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
2451 * invoke.texi (-fno-guess-branch-probability): New option.
2453 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2455 * combine.c (try_combine): Don't set i3_subst_into_i2 for
2456 case of making new double-word constant.
2457 Revert last change: instead just test i3_subst_into_i2.
2459 2001-01-17 Jakub Jelinek <jakub@redhat.com>
2461 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
2462 Use q constraints instead of r.
2464 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
2466 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
2467 (machine_function): Define.
2468 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
2469 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
2470 pa_free_machine_status): New functions.
2471 (override_options): Set {init,mark,free}_machine_status to above.
2472 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
2473 PIC_OFFSET_TABLE_REGNUM_SAVED.
2474 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
2475 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
2476 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
2477 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
2478 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
2480 2001-01-15 DJ Delorie <dj@redhat.com>
2482 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
2486 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2488 * flow.c (propagate_on_insn): Make trying to delete a prologue
2489 or epilogue insn an ICE, not a warning. Allow doing this if
2490 the current function returns with stack pointer depressed.
2492 * combine.c (try_combine): If i3_subst_into_i2, properly check for
2493 I3 having more than one SET.
2495 2001-01-16 Jim Wilson <wilson@redhat.com>
2497 * invoke.texi: Document IA-64 options.
2499 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
2500 (fixup_errata): Delete TARGET_A_STEP use.
2501 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
2502 (TARGET_SWITCHES): Delete -ma-step option.
2503 * config/ia64/ia64.md (all FP patterns): Delete %B0.
2504 (movqicc_astep, movqi_internal_astep, movhicc_astep,
2505 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
2506 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
2507 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
2508 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
2510 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
2511 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
2512 cmovsi_internal): Delete ! TARGET_A_STEP check.
2514 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2516 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
2517 possibility to report bugs via postal mail. Change a URL and
2518 merge in a nearly duplicate statement...
2519 (Bug Reporting): ...from here.
2520 (Service): Refer to the Bug Reporting section instead of
2522 (Contributing): Remove trivial explanations concerning snapshots.
2524 2001-01-16 Alan Modra <alan@linuxcare.com.au>
2526 * cppmain.c (general_init): Don't use ANSI prototype.
2528 2001-01-16 Tom Tromey <tromey@redhat.com>
2530 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
2532 2001-01-16 Richard Henderson <rth@redhat.com>
2534 * config/i386/i386.h: Fix comment typo.
2535 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
2536 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
2538 2001-01-16 Phil Edwards <pme@sources.redhat.com>
2540 * gcc.c: Revert previous -fsyntax-only-related change; move
2543 2001-01-16 Jakub Jelinek <jakub@redhat.com>
2545 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
2546 inmode after checking GET_CODE (op).
2548 2001-01-16 Richard Henderson <rth@redhat.com>
2550 * flow.c (struct propagate_block_info): Add mem_set_list_len.
2551 (MAX_MEM_SET_LIST_LEN): New.
2552 (propagate_one_insn): Update mem_set_list_len.
2553 (invalidate_mems_from_autoinc): Likewise.
2554 (invalidate_mems_from_set): Likewise.
2555 (mark_used_regs): Likewise.
2556 (init_propagate_block_info): Likewise. Stop collecting memories
2557 when we reach MAX_MEM_SET_LIST_LEN.
2558 (mark_set_1): Likewise.
2560 2001-01-16 Richard Henderson <rth@redhat.com>
2562 * unroll.c (precondition_loop_p): Fail if no iteration
2565 2001-01-16 Phil Edwards <pme@sources.redhat.com>
2567 * gcc.c: When -fsyntax-only is given, do not complain about
2570 2001-01-15 Richard Henderson <rth@redhat.com>
2572 * config/i386/i386.c (asm_output_function_prefix): Remove.
2573 (ix86_asm_file_end): New.
2574 (load_pic_register): Generate pic_label_name into a
2575 staticly allocated buffer.
2576 * config/i386/i386-protos.h: Update.
2577 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
2578 (ASM_FILE_END): New.
2579 * config/i386/i386afe.h: New file.
2580 * config.gcc (i?86-*-elf) [tm_file]: Use it.
2581 (i?86-*-{freebsd,linux*,moss*}): Likewise.
2582 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
2583 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
2584 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
2585 * config/i386/sco5.h (ASM_FILE_END): Likewise.
2586 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
2588 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
2590 * Makefile.in (install-man): Remove explicit dependency on
2593 * configure.in, configure: Revert previous patch requiring perl
2596 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
2598 * toplev.c (flag_guess_branch_prob): New.
2599 (f_options): Add guess-branch-probability option.
2600 (rest_of_decl_compilation): Only estimate branch probability if
2602 (main): set flag_guess_branch_prob.
2604 * flags.h (flag_guess_branch_prob): New.
2606 2001-01-15 DJ Delorie <dj@redhat.com>
2608 * gcc.texi (Makefile): Add documentation for Makefile targets.
2610 2001-01-15 Philip Blundell <philb@gnu.org>
2612 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
2614 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
2615 (is_pic): Delete declaration.
2616 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
2617 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
2618 * config/arm/arm.md (builtin_setjmp_receiver): New.
2620 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
2622 * arm.c (use_return_insn): Don't try to determine the function type
2623 until after reload has completed.
2624 (arm_output_epilogue): Don't adjust the sp value recovered from the
2626 (emit_multi_reg_push): Don't record dwarf information for the pc.
2627 * arm.md (eh_epilogue): The function type may have changed, so it
2628 needs to be recalculated.
2629 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
2630 unwind tables on arm/netbsd.
2632 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
2634 * arm.md (cbranchsi4): Correct calculation of branch ranges.
2635 (negated_cbranchsi4): Likewise.
2637 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
2639 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
2640 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
2641 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
2642 pass -mapcs-* options to assembler.
2643 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
2644 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
2645 (ASM_SPEC): Call subtarget_extra_asm_spec.
2647 2001-01-15 Andreas Jaeger <aj@suse.de>
2649 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
2651 (ix86_expand_builtin): Likewise.
2653 * gencodes.c (output_predicate_decls): Make i size_t to avoid
2654 warning about comparison between signed and unsigned.
2656 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
2658 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
2660 2001-01-14 Ralf Baechle <ralf@gnu.org>
2662 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
2663 SUBTARGET_CPP_SPEC apropriatly.
2665 2001-01-12 Mark Mitchell <mark@codesourcery.com>
2667 * varasm.c (make_decl_rtl): Fix typo in last change.
2669 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
2671 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
2672 linker supports the init_priority C++ attribute.
2673 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
2674 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
2675 linker does not support init_priority C++ attribute.
2677 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
2679 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
2681 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
2683 * c-parse.in (finish_parse): Add comment about cpp_destroy.
2684 * cp/lex.c (finish_parse): Similarly.
2685 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
2686 Return the number of errors encountered.
2687 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
2688 * cppmain.c (main): Don't call cpp_destroy.
2690 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
2692 * configure.in: Require at least perl 5.6.0 to regenerate
2694 * configure: Regenerate.
2696 2001-01-14 Richard Henderson <rth@redhat.com>
2698 * genrecog.c (DT_veclen_ge): New.
2699 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
2700 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
2701 (nodes_identical_1): Handle DT_veclen_ge.
2702 (write_cond, debug_decision_2): Likewise.
2704 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
2706 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
2708 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
2710 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
2712 * cppmain.c (do_preprocessing): New function; most of the old
2714 (main): Call it to do most of the work.
2715 (cb): Move from global scope to set_callbacks ().
2716 (setup_callbacks): Get the callback pointer.
2717 (general_init, printer_init): Clean up code and comments.
2719 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
2721 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
2724 2001-01-14 Kazu Hirata <kazu@hxi.com>
2726 * config/h8300/h8300.c (get_shift_alg): Update comments.
2728 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2730 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
2731 (alloc_page, ggc_alloc): Add casts to remove warnings.
2733 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
2735 * combine.c (simplify_comparison): Don't change `code' when
2736 can't reverse comparison.
2738 2001-01-14 Richard Henderson <rth@redhat.com>
2740 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
2741 update all call sites. Return true for all non-label constants.
2743 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
2745 * i386.c (ix86_expand_compare): Add bypass_test and second_test
2747 (ix86_expand_branch): Update.
2748 (ix86_expand_setcc): Update to handle multiple test conditions.
2749 (expand_int_movcc): Likewise.
2750 (expand_fp_movcc): Likewise.
2751 * i386-protos.h (ix86_expand_compare): New.
2752 * i386.md (andqi_?_slp, orqi_?_slp): New.
2753 (conditional trap expander): Update call to ix86_expand_compare.
2755 2001-01-14 Richard Henderson <rth@redhat.com>
2757 * config/vax/vax.md: Use nonimmediate_operand instead of
2758 general_operand in destinations.
2760 * config/vax/vax.md (indirect_jump): Use register_operand.
2762 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
2763 * config/vax/vax.md (call_pop): Turn into an expander.
2764 (call_value_pop): Likewise.
2765 (call, call_value): New.
2767 2001-01-14 Andreas Jaeger <aj@suse.de>
2769 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
2771 (ix86_fp_compare_mode): Add unused attribute.
2772 (ix86_expand_fp_movcc): Remove unused variable.
2773 (ix86_expand_builtin): Make fcode unsigned.
2775 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
2776 (expand_expr): Add cast to avoid signed warning.
2777 (store_field): Likewise.
2778 (store_constructor_field): Likewise.
2779 (store_constructor): Likewise.
2780 (store_expr): Likewise.
2781 (clear_storage): Likewise.
2782 (emit_group_store): Likewise.
2783 (emit_group_load): Likewise.
2785 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
2787 * c-common.c: Move format checking code to ...
2788 * c-format.c: ... here. New file. Reorder some functions and
2790 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
2792 * c-common.h (decl_handle_format_attribute,
2793 decl_handle_format_arg_attribute): Declare.
2794 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
2795 (c-common.o): Adjust dependencies.
2796 (c-format.o): New list of dependencies.
2798 2001-01-13 Jakub Jelinek <jakub@redhat.com>
2800 * unroll.c (loop_iterations): If we cannot prove iteration variable
2801 is set once in each iteration, punt.
2803 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
2805 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
2806 (*strlenhi): Remove clobber (which was buggy) of output address.
2808 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
2810 * Makefile.in (generated-manpages): Add gcc.1
2811 ($(srcdir)/gcc.1): New target.
2812 (maintainer-clean): Delete $(srcdir)/gcc.1.
2813 * gcc.texi: Add macros @gccoptlist and @gol.
2814 * invoke.texi: Include option summary in manpage. Mark up option
2815 summary with @gccoptlist and @gol. Use @r in one place where
2817 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
2818 * gcc.1: Generate from invoke.texi.
2820 2001-01-13 Richard Henderson <rth@redhat.com>
2822 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
2823 (struct page_entry): Add group member.
2824 (struct page_group): New.
2825 (struct globals): Add page_groups member.
2826 (alloc_anon): Only define for using mmap; remove valloc call.
2827 (page_group_index): New.
2828 (set_page_group_in_use): New.
2829 (clear_page_group_in_use): New.
2830 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
2831 (free_page, release_pages): Likewise.
2832 * configure.in (with-gc): Default to ggc-page always.
2834 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
2836 * reload1.c (replace_pseudos_in_call_usage): Use
2837 reg_equiv_constant and reg_equiv_address, and don't try
2838 regno_reg_rtx first.
2840 2001-01-13 Richard Henderson <rth@redhat.com>
2842 * ggc-page.c (alloc_page): Round up allocation size to one page.
2843 Set e->order on extra pages.
2845 2001-01-13 Richard Henderson <rth@redhat.com>
2847 * genrecog.c (nodes_identical): Expand commentary.
2848 (write_switch): Watch out for identical nodes.
2850 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
2852 * cppfiles.c (_cpp_fake_include): New function.
2853 * cpphash.h (_cpp_fake_include): New.
2854 * cpplib.c (do_line): Call _cpp_fake_include when entering
2855 header files in preprocessed input.
2856 * cppmain.c (cb_pragma_implementation): Remove handling.
2857 (setup_callbacks): Don't register pragmas.
2859 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
2861 * extend.texi: Udate for CPP.
2863 2001-01-13 Andreas Jaeger <aj@suse.de>
2865 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
2867 * regmove.c: Add prototype for replace_in_call_usage.
2869 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
2871 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
2872 struct cpp_chunk, struct htab, struct toklist,
2873 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
2874 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
2875 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
2876 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
2877 (struct macro_args): Delete.
2878 * cpphash.h: See above.
2880 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
2882 * cppmain.c (struct printer): Remove no_line_dirs.
2884 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
2885 : Use options rather than CPP_OPTION.
2886 (setup_callbacks): Use cb rather than pfile->cb.
2887 (main): No need to check for a buffer. Use cpp_errors.
2888 (printer_init): Don't set no_line_dirs.
2889 (maybe_print_line): Use options not no_line_dirs.
2890 (cb_file_change): Don't call print_line if -P.
2892 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
2894 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
2896 * c-parse.in (finish_parse): Use cpp_errors.
2897 (__yylex): Use return value of cpp_pop_buffer.
2898 * cp/lex.c (finish_parse): Use cpp_errors.
2899 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
2901 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
2903 * README.AVR: URLs corrected.
2905 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2907 * c-decl.c (start_function): Don't warn if old prototype is builtin
2908 that's not in C's namespace.
2909 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
2910 (_bb): Add prototype for ctime.
2911 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
2913 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
2915 * i386.c (ix86_fp_comparison_arithmetics_cost,
2916 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
2917 ix86_fp_comparison_cost): New functions.
2918 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
2919 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
2920 two-branch sequences; make static.
2921 (ix86_use_fcomi_compare): Do decision according to the costs.
2922 (split_fp_branch): New.
2923 * i386.md (compare-and-branch patterns): Use split_fp_branch.
2924 * i386-protos.h (ix86_expand_fp_compare): Remove
2925 (ix86_split_fp_branch): Declare.
2927 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
2928 and ix86_comparison_operator.
2930 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
2933 * i386.c (put_condition_code): Output properly the unordered/ordered
2934 compares in fp case.
2935 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
2937 * tm.texi (REVERSE_CONDITION): Document.
2938 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
2939 in -ffast-math mode.
2940 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
2942 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
2944 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
2946 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
2949 * config/sh/sh.c (mova_p): Fix test for mova_const.
2951 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
2953 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
2954 cpp_get_options rather than dereferencing pfile and using
2956 * scan-decls.c (scan_decls): Use return value of
2957 cpp_pop_buffer rather than CPP_BUFFER.
2959 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
2961 * cppinit.c (cpp_handle_option): help_only is now part of the
2962 cpp_options structure.
2963 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
2964 cpp_set_callbacks): New functions.
2965 * cpplib.h (cpp_callbacks): Break out as a named structure.
2966 (cpp_options): Move help_only here from cpp_reader.
2967 (CPP_FATAL_ERRORS): Update to use cpp_errors.
2968 (cpp_errors, cpp_get_options, cpp_get_callbacks,
2969 cpp_set_callbacks): New prototypes.
2970 * cppmain.c (main): Update for help_only.
2972 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
2974 * Makefile.in (info, maintainer-clean, install-info, uninstall):
2975 Also build and remove and install and uninstall c-tree.info and
2977 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
2978 ($(srcdir)/cppinternals.info): New target.
2979 * c-tree.texi: Change file name used when makeinfo used without -o
2980 from ir.info to c-tree.info. Add info directory entry.
2981 * cppinternals.texi: Add info directory entry.
2982 * .cvsignore: Update.
2984 2001-01-12 Jakub Jelinek <jakub@redhat.com>
2986 * c-typeck.c (store_init_value): Don't require constant initializer
2987 elements with -pedantic -std=c99.
2988 (digest_init): Change error about non-constant initializer elements
2990 (constructor_range_end): Remove.
2991 (constructor_incremental, designator_depth,
2992 designator_errorneous): New variables.
2993 (struct constructor_stack): Remove range_end, add incremental.
2994 (struct constructor_range_stack, constructor_range_stack): New.
2995 (struct initializer_stack): Add constructor_range_stack.
2996 (finish_init): Set it.
2997 (start_init): Likewise. require_constant_elements for non-static
2998 trees only if not flag_isoc99.
2999 (really_start_incremental_init): Remove constructor_range_end, add
3000 constructor_incremental.
3001 (pop_init_level): Likewise.
3002 (push_init_level): Likewise. If implicit and the subobject had some
3003 value set already, preinitialize the level with it.
3004 Warn about missing braces only if not pushing due to designators.
3005 (set_designator, push_range_stack): New functions.
3006 (set_init_label): Use them.
3007 (set_init_index): Likewise. Remove constructor_range_end.
3008 Error if designator index is outside of array bounds.
3009 (add_pending_init): Compare values of purpose index trees, not the
3010 trees themselves. Allow overwriting of already initialized element.
3011 Issue a warning if it had side-effects.
3012 (set_nonincremental_init, set_nonincremental_init_from_string): New
3014 (pending_init_member): Rename to...
3015 (find_init_member): ...this function. Call set_nonincremental_init
3016 if necessary. Compare values of purpose index trees, not the trees
3017 themselves. Return the actual value, not just non-zero if something
3019 (output_init_element): Remove checks for duplicates.
3020 If field has zero size, only check the initializer for correctness.
3021 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
3022 if constructor_incremental is zero. Change error about initializers
3023 not computable at load time into pedwarn.
3024 (output_pending_init_elements): Compare bit positions, not
3025 FIELD_DECLs to take into account zero-sized fields.
3026 (process_init_element): Use constructor_range_stack to fill all
3027 ranges in the designator lists from current level up.
3028 * extend.texi: Update documentation for labeled elements.
3030 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
3032 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
3033 to function usage for arguments passed by reference. Optimize
3034 callee-copied arguments.
3035 * regmove.c (replace_in_call_usage): New function.
3036 (fixup_match_1): Call it.
3037 * cse.c (cse_insn): Canonicalize registers in function usage.
3038 * reload1.c (replace_pseudos_in_call_usage): New function.
3041 * Makefile.in: Reverted yesterday's wrong patch. Installed the
3044 2001-01-12 Jakub Jelinek <jakub@redhat.com>
3046 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
3049 2001-01-12 DJ Delorie <dj@redhat.com>
3051 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
3052 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
3055 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
3057 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
3058 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
3059 -std options alongside references to -ansi. Update some
3060 documentation for C99.
3061 * cpp.1: Regenerate.
3063 2001-01-12 Andreas Jaeger <aj@suse.de>
3065 * haifa-sched.c (restore_line_notes): Remove argument block B
3067 * sched-ebb.c (schedule_ebb): Change caller.
3068 * sched-rgn.c (schedule_region): Likewise.
3069 * sched-int.h (restore_line_notes): Adjust prototype.
3071 * loop.h: Remove wrong declaration of doloop_condition_get.
3073 2001-01-12 Phil Edwards <pme@sources.redhat.com>
3075 * extend.texi: Move C++-extension-related node from the C section
3076 into the C++ section.
3078 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
3080 * extend.texi: Refer to an array of pointers to functions instead
3081 of one of functions.
3083 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
3084 Jan Hubicka <jh@suse.cz>
3086 * combine.c (reversed_comparison): Fix typo in last patch.
3088 (combine_reversed_comparison_code): Make static to follow
3089 prototype declaration.
3091 2001-01-12 Phil Edwards <pme@sources.redhat.com>
3093 * install.texi: Remove misplaced duplicate entry.
3095 2001-01-11 Ulrich Drepper <drepper@redhat.com>
3097 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
3099 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
3101 * final.c: (leaf_function_p): Fix typo.
3103 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
3105 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
3106 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
3108 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
3109 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
3110 mmap_anon, and valloc is available.
3111 * ggc-page.c: Restructure ifdef logic to match new autoconf
3112 spec. Don't throw away the test page in init_ggc.
3114 * configure, config.in: Regenerate.
3116 2001-01-12 Michael Hayes <mhayes@redhat.com>
3118 * loop.h (total_biv_increment): Constify iv_class pointer.
3119 (struct induction): Replace `mem_mode' with `mem' rtx.
3120 * unroll.c (total_biv_increment): Constify iv_class pointer.
3121 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
3122 (find_mem_givs, combine_givs_p): Likewise.
3123 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
3125 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
3127 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
3129 (__gthread_getspecific): Ditto.
3131 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
3133 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
3134 put_condition_code): Convert fp comparison codes to integer
3136 (ix86_expand_fp_compare): Postnote the fp comparison code converison
3139 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
3140 * i386-protos.h (no_comparison_operator): Kill.
3142 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
3144 * combine.c (REVERSIBLE_CC_MODE): Remove.
3145 (reversible_comparison_p): Remove.
3146 (combine_reversed_comparison_code): New.
3147 (reversed_comparison): New.
3148 (combine_simplify_rtx): Use
3149 combine_reversed_comparison_code/reversed_comparison instead
3150 of reversible_comparison_p.
3151 (simplify_if_then_else): Likewise.
3152 (simplify_set): Likewise.
3153 (simplify_logical): Likewise.
3154 (if_then_else_cond): Likewise.
3155 (known_cond): Likewise.
3156 (simplify_comparison): Likewise.
3158 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
3160 * builtins.c (std_expand_builtin_va_start): Handle varargs when
3161 sizeof (int) is larger than sizeof(__word__).
3163 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
3165 * cppinit.c (do_includes): Fix typo.
3167 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3169 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
3170 in S_REGS does not occur because not all sources are possible
3171 when a S_REGS is a destination (sometimes needs a clobber).
3172 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
3173 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
3174 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
3175 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
3176 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
3177 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
3178 (lshrdi_const1, lshrsi3_const16): Likewise.
3179 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
3180 (*movhi_68hc12, *movqi_68hc12): Likewise.
3181 (movstrictqi): Make sure reloading in D_REGS as a destination
3184 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
3186 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
3188 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
3190 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
3191 -D, -U and -A, and don't initialize the builtins.
3192 (do_includes): Error if -include or -imacros with -fpreprocessed.
3193 * cppmain.c (cb_define, cb_undef): Unconditionally process
3195 * tradcpp.c (main): Fix typo.
3197 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
3199 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
3200 (read_name_map): Use IS_ABSOLUTE_PATH.
3201 * tradcpp.c (get_filename): Likewise.
3203 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3205 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
3206 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
3207 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
3208 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
3209 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
3210 (cmphi_z_used): Don't use '@' for the output.
3211 (tstqi_z_used): Likewise.
3212 (cmpqi_z_used): Likewise.
3213 (one_cmplsi2): Likewise.
3215 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
3217 * config/sh/sh.c (barrier_align): Recognize branch around far
3218 branch and redundant insn.
3220 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
3222 * invoke.texi: Restore documentation of the drivers' switches -MD
3225 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
3227 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
3229 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
3230 check-objc//%): Support parallel testing of multilibs.
3231 (TESTSUITEDIR): Set to testsuite by default, but override for
3233 (check-gcc, check-g++, check-g77, check-objc): Enter
3236 2001-01-11 Bernd Schmidt <bernds@redhat.com>
3238 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
3239 * sched-deps.c (deps_may_trap_p): Likewise.
3240 * basic-block.h: Remove a comment.
3241 * flow.c (PROP_POSTRELOAD): Remove.
3242 (update_life_info): Don't add it to prop_flags.
3243 (mark_set_1): Lose the code that was enabled by it.
3245 2001-01-11 Michael Hayes <mhayes@redhat.com>
3247 * flow.c (flow_call_edges_add): New.
3248 * basic_block.h (flow_call_edges_add): New.
3250 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
3252 * reload1.c (move2add_note_store): Update reg_set_luid even if
3253 base reg remains the same.
3255 2001-01-10 Nick Clifton <nickc@redhat.com>
3257 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
3258 machine_function structure to zero.
3259 Add prototypes for machine_status functions.
3261 2001-01-10 Mark Mitchell <mark@codesourcery.com>
3263 * c-common.h (CTI_VOID_LIST): Remove.
3264 (void_list_node): Likewise.
3265 * tree.h (TI_VOID_LIST_NODE): New enumeral.
3266 (void_list_node): New macro.
3267 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
3268 * config/i386/i386.c (ix86_init_builtins): Likewise.
3269 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
3271 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
3273 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
3274 * cppinit.c (cpp_start_read): Update comment, remove unneeded
3276 * tradcpp.c: Include mkdeps.h.
3277 (deps, print_deps_phony_targets, deps_append, output_deps,
3278 init_dependency_output, output_deps): New.
3279 (deps_buffer, deps_allocated_size, deps_size, deps_column,
3280 deps_output): Delete.
3281 (print_deps_missing_files): Rename deps_missing_files.
3282 (inhibit_output): Make global.
3283 (main): Delete inhibit_output, deps_stream, deps_target.
3284 Use mkdeps functionality in the same way as cpplib. Remove
3285 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
3286 -M and -MM. Remove old handling of deps via deps_out, and
3287 old reading of environment variables.
3288 (get_filename): Update to use deps_add_dep.
3290 2001-01-10 Mark Mitchell <mark@codesourcery.com>
3292 * output.h (make_function_rtl): Remove prototype.
3293 (make_decl_rtl): Likewise.
3294 * varasm.c (make_function_rtl): Remove.
3295 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
3296 than from a third parameter.
3297 * tree.h (make_decl_rtl): Remove last parameter.
3298 * c-decl.c (builtin_function): Remove last argument in call to
3299 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
3300 (start_function): Likewise.
3301 * except.c (call_get_eh_context): Likewise.
3302 * expr.c (emit_block_move): Likewise.
3303 (clear_storage): Likewise.
3304 * profile.c (output_func_start_profiler): Likewise.
3305 * toplev.c (rest_of_decl_compilation): Likewise.
3306 * objc/objc-act.c (create_builtin_decl): Likewise.
3307 (synth_module_prologue): Likewise.
3308 (generate_static_reference): Likewise.
3309 (build_selector_reference_decl): Likewise.
3310 (build_class_reference_decl): Likewise.
3311 (build_objc_string_decl): Likewise.
3312 (build_protocol_reference): Likewise.
3314 2001-01-10 Richard Henderson <rth@redhat.com>
3316 * hwint.h: Revert yesterday's change.
3318 2001-01-10 Nick Clifton <nickc@redhat.com>
3320 * function.h (save_machine_status): Delete.
3321 (restore_machine_status): Delete.
3322 Amend comment describing {init|mark|free}_machine_status.
3324 * function.c (save_machine_status): Delete.
3325 (restore_machine_status): Delete.
3326 Amend comment describing {init|mark|free}_machine_status.
3327 (push_function_context_to): Remove invocation of
3328 save_machine_status.
3329 (pop_function_context_from): Remove invocation of
3330 restore_machine_status.
3332 * emit-rtl.c (init_emit_once): Amend comment describing
3333 {init|mark|free}_machine_status.
3335 * tm.texi (Per-Function Data): New node. Describe the
3336 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
3339 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
3341 * cppinit.c (OPT_g): Remove.
3342 (cpp_handle_option): Update for removed -g3.
3343 (print_help): Update.
3344 * cpplib.h (struct cpp_options): Remove debug_output.
3345 * cppmain.c (setup_callbacks, cb_define): Update.
3346 * gcc.c (cpp_options): Translate -g3 to -dD.
3348 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
3350 * config/i960/i960.md: Change modifier to + on the zero_extract
3351 pattern after the (rotate -2 reg) canonicalization pattern.
3353 2001-01-10 Richard Henderson <rth@redhat.com>
3355 * config/alpha/alpha.c (alpha_free_machine_status): New.
3356 (override_options): Install it.
3357 (alpha_mark_machine_status): Verify machine non-null.
3358 * config/i386/i386.c (ix86_free_machine_status): New.
3359 (override_options): Install it.
3360 (ix86_init_machine_status): Use xcalloc.
3361 (ix86_mark_machine_status): Verify machine non-null.
3362 * config/ia64/ia64.c (ia64_free_machine_status): New.
3363 (ia64_override_options): Install it.
3364 (ia64_mark_machine_status): Verify machine non-null.
3366 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
3368 * function.c (instantiate_virtual_regs): Instantiate virtual
3369 registers found in CALL_INSN_FUNCTION_USAGE.
3371 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
3373 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
3374 equivalent to -ansi in disabling -Di386.
3376 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
3378 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
3380 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
3382 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
3384 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
3386 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
3388 * invoke.texi: Document that -fcond-mismatch isn't supported for
3391 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
3393 * gcc.texi: Define macro gcctabopt.
3394 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
3395 @command, @env and @option in some places where appropriate. Use
3396 @gcctabopt where appropriate. Put URLs and email addresses inside
3399 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
3401 * gcc.c (cpp_options): Set MD file name from output
3402 filename, if specified.
3403 (suffix_subst): New static variable.
3404 (do_spec): Clear it.
3405 (do_spec_1, case '.'): Handle new `%.suffix' spec.
3407 (give_switch): Handle suffix_subst.
3409 2001-01-10 Phil Edwards <pme@sources.redhat.com>
3411 * invoke.texi: Fix another typo.
3413 2001-01-10 Phil Edwards <pme@sources.redhat.com>
3415 * invoke.texi: Fix typo.
3417 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
3419 * c-lang.c (lang_hooks): Update.
3420 (lang_decode_option): Remove.
3421 (lang_init_options): Rename c_init_options.
3422 * toplev.c (main): Use lang_hooks for lang_init_options
3423 and lang_decode_option.
3424 * toplev.h (lang_hooks): Add 2 new hooks.
3425 * tree.h: Remove lang_init_options and lang_decode_option.
3426 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
3427 * cp/decl2.c: Similarly.
3428 * cp/lex.c (lang_init_options): Rename cxx_init_options.
3429 (lang_hooks): Update.
3430 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
3432 (lang_init_options): Rename ffe_init_options.
3433 (lang_hooks): Update.
3434 (lang_decode_option): Remove.
3435 * java/lang.c (lang_init_options): Rename java_init_options.
3436 (lang_decode_option): Rename java_decode_option.
3437 (lang_hooks): Update.
3438 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
3439 (lang_decode_option): Rename objc_decode_option.
3440 (lang_hooks): Update.
3442 2001-01-09 Nick Clifton <nickc@redhat.com>
3444 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
3445 (d30v_return_addr_rtx): Delete.
3446 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
3447 cfun->machine structure.
3448 (struct machine_function): Move to d30v.h
3449 (d30v_save_machine_status): Delete.
3450 (d30v_restore_machine_status): Delete.
3451 (d30v_init_machine_status): New Function.
3452 (d30v_mark_machine_status): New Function.
3453 (d30v_free_machine_status): New Function.
3454 (d30v_init_expanders): Use new functions.
3455 (d30v_return_addr): Use ra_rtx field in cfun->machine.
3456 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
3457 d30v_return_addr_rtx.
3459 * config/d30v/d30v.h (struct_machine): Move here.
3460 Add eh_epilogue_sp_ofs field.
3462 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
3463 field in cfun->machine structure.
3465 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
3467 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
3468 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
3469 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
3471 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
3473 * objc/lang-options.h: Remove bogus reference to
3476 2001-01-09 Kazu Hirata <kazu@hxi.com>
3478 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
3481 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
3483 * reload.c (find_reloads_address): Check for eliminable registers
3484 when substituting a constant expression for a pseudo.
3486 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
3488 * c-common.c (enum format_type): Add format_type_error.
3489 (decode_format_type): New function.
3490 (decl_attributes): Use it.
3491 (format_kind_info): Adjust comment.
3493 2001-01-09 David O'Brien <obrien@BSDi.com>
3495 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
3496 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
3498 * config/i386/gnu.h: Don't include required platform specific .h files,
3499 tm.h will do it instead.
3500 * config/i386/i386elf.h: Likewise.
3501 * config/i386/linux.h: Likewise.
3502 * config/i386/moss.h: Likewise.
3503 * config/mips/gnu.h: Likewise.
3505 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3507 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
3508 (rs6000-ibm-aix3.[01]*): Likewise.
3509 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
3510 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
3511 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
3512 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
3513 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
3514 (powerpc-*-eabiaix*): Likewise.
3515 (powerpc-*-eabisim*): Likewise.
3516 (powerpc-*-elf*): Likewise.
3517 (powerpc-*-eabi*): Likewise.
3518 (powerpc-*-rtems*): Likewise.
3519 (powerpc-*-linux*libc1): Likewise.
3520 (powerpc-*-linux*): Likewise.
3521 (powerpc-wrs-vxworks*): Likewise.
3522 (powerpcle-wrs-vxworks*): Likewise.
3523 (powerpcle-*-sysv*): Likewise.
3524 (powerpcle-*-elf*): Likewise.
3525 (powerpcle-*-eabisim*): Likewise.
3526 (powerpcle-*-eabi*): Likewise.
3527 (powerpcle-*-solaris2*): Likewise.
3528 * config/rs6000/aix31.h: Delete includes.
3529 * config/rs6000/aix3newas.h: Likewise.
3530 * config/rs6000/aix41.h: Likewise.
3531 * config/rs6000/aix43.h: Likewise.
3532 * config/rs6000/beos.h: Likewise.
3533 * config/rs6000/rtems.h: Likewise.
3534 * config/rs6000/sysv4.h: Likewise.
3536 2001-01-09 Kazu Hirata <kazu@hxi.com>
3538 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
3539 Change an argument mode of machine_mode to shift_mode of
3540 shift_mode. Remove an extra error check.
3541 (emit_a_shift): Adopt to the new calling prototype of
3543 (function_prologue): Fix code for a monitor
3544 function. Support H8/S.
3545 (function_epilogue): Do not output pop for a monitor function.
3547 2001-01-09 Nick Clifton <nickc@redhat.com>
3549 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
3550 (setup_incoming_varargs): Use sysv_varargs_p field of the
3551 cfun->machine structure.
3552 (struct machine_function): Move to rs6000.h
3553 (rs6000_save_machine_status): Delete.
3554 (rs6000_restore_machine_status): Delete.
3555 (rs6000_init_machine_status): New Function.
3556 (rs6000_free_machine_status): New Function.
3557 (rs6000_init_expanders): Use new functions.
3559 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
3561 (struct machine_function): Move here.
3563 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
3564 sysv_varargs_p field of the cfun->machine structure.
3566 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
3568 (rs6000_restore_machine_status): Remove prototype.
3570 2001-01-09 Richard Henderson <rth@redhat.com>
3572 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
3573 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
3574 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
3575 (sched_analyze_2, sched_analyze_insn): Likewise.
3576 (sched_analyze, init_deps): Likewise.
3577 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
3578 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
3579 (compute_block_backward_dependences): Update propagate_deps call.
3581 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
3583 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
3585 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
3587 * cppinit.c (OPT_MD, OPT_MMD): Restore.
3588 (cpp_handle_option): Handle them.
3589 (cpp_post_options): Ensure one of -M or -MM is specified with
3590 any other -M? option.
3591 (init_dependency_output): Suppress output with -MG.
3593 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
3596 * invoke.texi: Update.
3598 2001-01-09 Bernd Schmidt <bernds@redhat.com>
3600 * sh.md (reload_outsf): Generate recognizable patterns for
3603 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
3605 * c-lang.c (lang_hooks): Update.
3606 (lang_init): Rename c_init.
3607 (lang_finish): Remove.
3608 * toplev.c (compile_file): Use lang_hooks for lang_init ()
3610 * toplev.h (lang_hooks): Add init () and finish ().
3611 * tree.h (lang_init, lang_finish): Remove.
3612 * cp/tree.h (lang_init, lang_finish): Remove.
3613 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
3614 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
3616 (lang_init, lang_finish): Remove.
3617 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
3618 (lang_hooks): Update.
3619 * java/lang.c (lang_init): Rename java_init.
3620 (lang_finish): Remove.
3621 (lang_hooks): Update.
3622 * objc/objc-act.c (lang_init): Rename objc_init.
3623 (lang_finish): Remove.
3624 (lang_hoooks): Update.
3626 20001-01-09 Graham Stott <grahams@redhat.com>
3628 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
3629 after `ptr` is initialised.
3631 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
3633 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
3634 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
3635 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
3636 stack adjusts, instead of r3.
3638 2001-01-09 Michael Hayes <mhayes@redhat.com>
3640 * flow.c (flow_loop_scan): Break out of ...
3641 (flow_loops_find) ... here.
3642 * basic-block.h (flow_loop_scan): New.
3643 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
3644 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
3646 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
3648 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
3650 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
3651 realloc()ing macro_buffer.
3653 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
3654 if it's wider than long and the target's long is wider than the
3657 2001-01-09 Mark Mitchell <mark@codesourcery.com>
3659 Remove support for using UWIN as a host machine.
3660 * configure.in: Issue an error message.
3661 * configure: Regenerated.
3662 * config.gcc: Remove xm_* UWIN configury.
3663 * config/i386/xm-uwin.h: Remove.
3665 2001-01-08 Nick Clifton <nickc@redhat.com>
3667 * config/v850/v850.c (ra_rtx): Delete.
3668 (v850_save_machine_status): Delete.
3669 (v850_restore_machine_status): Delete.
3670 (v850_init_machine_status): New function.
3671 (v850_mark_machine_status): New function.
3672 (v850_free_machine_status): New function.
3673 (v850_return_addr): Use ra_rtx field in machine structure.
3674 (v850_init_expanders): Use new functions.
3676 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
3677 * config/v850/v850.c: Change arguments to v850_output+* functions
3678 to take a const char *, to avoid compile time warning.
3679 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
3680 (USER_LABEL_PREFIX): Redefine.
3682 2000-01-08 Jim Wilson <wilson@redhat.com>
3684 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
3685 1 to unsigned HOST_WIDE_INT before left shift.
3687 2001-01-08 Nick Clifton <nickc@redhat.com>
3689 * config/arm/arm.c (arm_mark_machine_status): Check to see if
3690 the machine structure has been allocated.
3691 (arm_free_machine_status): New function: Free the machine
3692 specific function structure.
3694 2001-01-08 Richard Henderson <rth@redhat.com>
3696 * jump.c (simplejump_p): Revert last change.
3698 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
3700 * cppinit.c (init): Rename init_library.
3701 (cpp_create_reader): Update.
3702 * gcc.c (cpp_options): If -o given, use it as the target of
3705 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
3707 * arm.c (arm_arch5e): New variable.
3708 (all_cores): XScale is a 5TE device.
3709 (arm_override_options): Set arm_arch5e.
3710 (arm_init_builtins): __builtin_prefetch is in arch5e.
3711 * arm.h (arm_arch5e): Declare it.
3713 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
3715 * arm.md (define_constants): Add defines for UNSPEC and
3716 UNSPEC_VOLATILE insns. Update all users.
3717 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
3718 * arm.c (multi_register_push, note_invalid_constants)
3719 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
3720 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
3721 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
3723 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
3725 * jump.c (jump_optimize_1): Use reversed_comparison_code
3726 instead of can_reverse_comparison_p.
3727 (jump_back_p): Likewise.
3728 (invert_exp_1): Likewise.
3729 (thread_jumps): Likewise.
3730 * simplify-rtx.c (simplify_unary_operation): Likewise.
3731 (simplify_ternary_operation): Likewise.
3732 * cse.c (find_comparison_args): Convert to use
3733 can_reverse_comparison_p.
3734 (record_jump_equiv): Likewise.
3736 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
3738 * arm.h (HARD_REGNO_RENAME_OK): Delete.
3739 (EPILOGUE_USES): Define.
3740 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
3741 automatically stack the LR if it isn't live.
3743 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
3745 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
3748 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
3750 * ggc-page.c (max_alignment): New structure.
3751 (MAX_ALIGNMENT): New macro.
3752 (init_ggc): Use it to round up the sizes in the
3753 extra_order_size_table.
3755 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3757 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
3760 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3762 * builtins.def (BUILT_IN_FPRINTF): New entry.
3764 * c-common.c (c_expand_builtin_fprintf): New function.
3765 (init_function_format_info): Handle __builtin_fprintf.
3766 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
3767 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
3769 * c-decl.c (duplicate_decls): Adjust comment.
3771 * extend.texi (fprintf): Document new builtin.
3773 2001-01-07 Richard Henderson <rth@redhat.com>
3775 * jump.c (simplejump_p): Recognize any single_set jump
3778 2001-01-07 Richard Henderson <rth@redhat.com>
3780 * configure.in (slibdir): Accept an --with-slibdir option.
3781 Use "test" not "[" in configure. Default to $(libdir).
3783 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
3785 * config/t-aix43 (SHLIB_INSTALL): Likewise.
3786 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
3787 (SHLIB_LINK): Create links for the soname.
3788 * config/mips/t-iris6: Likewise.
3789 * config/sparc/t-slibgcc: Likewise.
3790 * config/sparc/t-slibgcc-sld: Likewise.
3792 2001-01-07 Jakub Jelinek <jakub@redhat.com>
3794 * config/i386/i386.c (constant_call_address_operand): Accept
3795 (const (plus (symbol_ref) (const_int))).
3796 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
3797 constant_call_address_operand.
3799 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3801 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
3802 and LONG_LONG_TYPE_SIZE > 32.
3804 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3806 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
3807 the previous change.
3809 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
3811 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
3813 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
3814 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
3815 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
3818 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
3820 * fix-header.c (read_scan_file): s/pfile/scan_in/.
3822 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
3824 * c-lang.c (c_post_options): Call cpp_post_options.
3825 * objc/objc-act.c (objc_post_options): Similarly.
3826 * cppmain.c (main): Similarly.
3827 * fix-header.c (read_scan_file): Similarly.
3828 * cppinit.c (cpp_start_read): Move option consistency checks
3829 to cpp_post_options. Don't call init_dependency_output.
3830 If needed, add default target and main file dependency.
3831 (OPT_MD, OPT_MMD): Remove.
3833 (cpp_handle_option): Update for OPT_* changes.
3834 (cpp_post_options): New.
3835 (init_dependency_output): Command line -MF overrides environment
3836 variables. Don't set default target etc. Suppress output
3837 if dependencies are going to stdout.
3838 (print_help): Update.
3839 * cpplib.h (cpp_post_options): New.
3840 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
3842 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
3844 * jump.c (comparison_dominates_p): Support unordered compares.
3846 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
3848 * simplify-rtx.c (simplify_relational_operation): Always simplify
3849 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
3852 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
3854 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
3855 (nonzero_bits): Likewise.
3856 (simplify_comparison): Likewise.
3857 (num_sign_bit_copies): Likewise; return more sane value depending
3858 on STORE_FLAG_VALUE.
3859 (known_cond): Do not assume EQ to be always true for equivalent
3862 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
3864 * cse.c (fold_rtx): Handle unordered comparisons.
3866 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
3868 * rtlanal.c (set_of_1): New static function.
3869 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
3870 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
3871 reg_set_last_last_regno): Remove.
3872 (set_of): New global function.
3873 (set_of_data): New structure.
3874 (reg_set_p, reg_set_last): Revamp for set_of.
3875 * rtl.h (set_of): New.
3877 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
3879 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
3880 * extend.texi: Document _Exit builtin.
3882 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
3884 * (initialize, initialize_builtins,
3885 initialize_dependency_output, initialize_standard_includes):
3886 Rename s/initialize/init. Update.
3887 (init_dependency_output): Move to after
3888 cpp_handle_options, the correct location temporally at least.
3889 (opt_comp): Move next to init (), its caller. Fix prototype.
3890 (init): Make "initialized" local scope.
3891 (cpp_create_reader): Always call init ().
3892 (cpp_start_read): Update.
3893 (output_deps): New function, broken out of cpp_finish.
3894 (cpp_finish): Break out output_deps.
3896 2001-01-07 Richard Henderson <rth@redhat.com>
3898 * collect2.c (COFF specific stuff): Revert 12-06 patch
3899 to prototype system functions.
3901 2001-01-07 Michael Hayes <mhayes@redhat.com>
3903 * hard-reg-set.h: Add multiple include guard.
3904 * basic-block.h (struct loop): Add `sink' field.
3905 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
3906 (emit_iv_add_mult): Delete.
3907 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
3908 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
3909 (unroll_loop): Remove end_insert_before argument.
3910 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
3911 (maybe_eliminate_biv_1): Likewise.
3912 (emit_iv_add_mult): Delete.
3913 (gen_add_mult, loop_regs_update): New.
3914 (loop_insn_emit_after, loop_insn_emit_before): New.
3915 (loop_insn_sink, loop_insn_sink_or_swim): New.
3916 (emit_iv_add_mult): Delete.
3917 (scan_loop): Set loop->sink.
3918 (loop_givs_reduce): Use loop_insn_sink and its ilk.
3919 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
3920 (maybe_eliminate_biv_1): Likewise.
3921 (maybe_eliminate_biv_1): Add basic block argument.
3922 * unroll.c (unroll_loop): Remove end_insert_before argument.
3923 (find_splittable_regs): Likewise.
3924 (find_splittable_regs): Use loop_insn_sink and its ilk.
3925 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
3927 2001-01-07 Michael Hayes <mhayes@redhat.com>
3929 * loop.h (loop_insn_hoist): New prototype.
3930 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
3931 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
3932 (check_dbra_loop, load_mems): Likewise.
3933 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
3934 (find_splittable_givs): Likewise.
3936 2001-01-07 Michael Hayes <mhayes@redhat.com>
3938 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
3940 2001-01-07 Richard Henderson <rth@redhat.com>
3942 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
3944 2001-01-07 Richard Henderson <rth@redhat.com>
3946 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
3947 NO_SHARED_LIBGCC_MULTILIB as required for the target.
3948 * gcc.c (init_spec): Massage the existing libgcc_spec into a
3949 variant that handles a shared libgcc.
3950 (process_command): Always validate -{static,shared}-libgcc.
3951 (do_spec_1): New 'M' case.
3952 * invoke.text (Link Options): Document -{static,shared}-libgcc.
3954 2001-01-07 Richard Henderson <rth@redhat.com>
3956 * Makefile.in (slibdir): New variable.
3957 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
3958 (installdirs): Create slibdir.
3959 (install-libgcc, install-multilib): Defer to libgcc.mk.
3960 * configure.in (slibdir): Substitute.
3961 * mklibgcc.in (install): New target.
3963 * config/t-linux (SHLIB_LINK): Create links for the soname.
3964 (SHLIB_INSTALL): New.
3965 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
3966 * config/mips/t-iris6 (SHLIB_INSTALL): New.
3967 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
3968 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
3969 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
3971 2001-01-07 Richard Henderson <rth@redhat.com>
3973 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
3974 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
3975 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
3977 2001-01-07 Michael Hayes <mhayes@redhat.com>
3979 * loop.c (count_loop_regs_set): Delete.
3980 (load_mems_and_recount_loop_regs_set): Delete.
3981 (loop_regs_scan): Merge common code from count_loop_regs_set,
3982 scan_loop, and load_mems_and_recount_loop_regs_set.
3983 (scan_loop): Call load_mems directly and loop_regs_scan
3984 again if new registers created.
3986 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
3988 * toplev.c (main): Call the front-end specific post_options
3989 hook if one is given.
3990 * toplev.h (struct_lang_hooks, lang_hooks): New.
3991 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
3992 for the C front end.
3993 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
3994 lang_hooks for the C++ front end.
3995 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
3996 lang_hooks for the ObjC front end.
3997 * f/com.c (lang_hooks): Hooks for the Fortran front end.
3998 * java/lang.c (lang_hooks): Hooks for the Java front end.
4000 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4002 * c-lex.c (init_c_lex): Request #define / #undef callbacks
4003 for verbose DWARF[2] debugging.
4004 (cb_define, cb_undef): The new callbacks.
4005 * toplev.h (debug_define, debug_undef): Make const correct.
4006 * toplev.c (debug_define, debug_undef): Similarly. Do not
4007 perform the verbosity tests here anymore.
4009 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
4011 * reload.c (subst_reloads): Take INSN argument. When
4012 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
4013 * reload.h (subst_reloads): Adjust prototype.
4014 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
4015 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
4016 present in JUMP_INSNs and copy them to JUMP_LABEL.
4017 * flow.c (find_label_refs, find_basic_blocks_1): Skip
4018 JUMP_INSNs and insns with REG_LABELs that are followed by
4019 JUMP_INSNs with the same REG_LABEL.
4020 * sched-rgn.c (is_cfg_nonregular): Likewise.
4021 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
4023 * unroll.c (unroll_loop): Look for REG_LABEL notes in
4025 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
4027 2001-01-06 Richard Henderson <rth@redhat.com>
4029 * loop.c (scan_loop): Use xcalloc for the regs array.
4030 (load_mems_and_recount_loop_regs_set): Zero the new memory
4031 received from xrealloc.
4033 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
4035 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
4037 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
4039 * integrate.c (copy_rtx_and_substitute): When copying
4040 an ignored return value, strip REG_FUNCTION_VALUE_P.
4042 2001-01-06 Michael Hayes <mhayes@redhat.com>
4044 * loop.c (debug_biv, debug_giv): New.
4045 (loop_biv_dump): Break out from ...
4046 (record_biv): ... here.
4047 (loop_giv_dump): Break out from ...
4048 (record_giv): ... here.
4049 (loop_bivs_check): Use print_simple_rtl.
4050 * unroll.c (loop_iterations): Use print_simple_rtl.
4052 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
4054 * pa.md (return, return_internal): Modify patterns to prevent regrename
4055 mucking with the return pointer.
4057 2001-01-05 Richard Henderson <rth@redhat.com>
4059 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
4061 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
4063 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
4064 version supplied by Matteo Frigo.
4066 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
4068 * cpp.texi: Update for -MQ.
4069 * cppinit.c (cpp_create_reader): Always create pfile->deps.
4070 (cpp_cleanup): Always free pfile->deps.
4071 (initialize_dependency_output): Don't create pfile->deps.
4072 (cpp_handle_option): Similarly.
4074 * gcc.c (cpp_options): Handle -MQ.
4075 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
4076 * mkdeps.c (base_name): Remove.
4077 (deps_init): Don't allocate vector space until it's needed.
4078 (deps_free): Only free vectors if allocated.
4079 (deps_add_target, deps_add_dep): Update for initial allocation.
4080 (deps_add_default_target): Don't strip to the base_name.
4082 2001-01-05 DJ Delorie <dj@redhat.com>
4084 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
4085 (INIT_EXPANDERS): Define.
4087 * config/v850/v850.c (struct machine_function): Define.
4088 (v850_save_machine_status): New function.
4089 (v850_restore_machine_status): New function.
4090 (v850_return_addr): New function.
4091 (v850_init_expanders): New function.
4093 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
4094 and v850_init_expanders.
4096 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
4098 * cpplib.h (struct cpp_reader): Add help_only field.
4099 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
4100 (cpp_handle_option): Set pfile->help_only if we see -h,
4101 --help, -target-help, or --version. Print version string but
4102 do not set help_only if we see -v or -version. Make text
4103 printed by -v match that printed by (-)-version.
4105 * cppmain.c (main): Exit after option parsing if
4106 pfile->help_only is true.
4108 * toplev.c (independent_decode_option): Call print_version,
4109 then exit, if we see --version (but not -version).
4110 (print_version): Split lengthy message into two lines.
4112 2001-01-05 Nick Clifton <nickc@redhat.com>
4114 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
4115 temporary string for initialisation before calling ggc_alloc_string.
4117 2001-01-06 Michael Hayes <mhayes@redhat.com>
4119 * rtl.h (print_simple_rtl): New.
4120 * print-rtl.c (print_simple_rtl): New.
4122 (print_rtx): Disable printing of flags and modes, etc.,
4123 if `flag_simple` nonzero.
4125 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
4127 * function.c (fixup_var_refs): Use push_to_full_sequence where
4130 2001-01-05 Michael Meissner <meissner@redhat.com>
4132 * flags.h (flag_reorder_blocks): Add declaration.
4133 (flag_rename_block): Ditto.
4135 2001-01-05 DJ Delorie <dj@redhat.com>
4137 * function.c (reorder_blocks): Make sure the flags are all reset
4138 before using them to mark blocks, else a second invocation will
4139 corrupt the block chain.
4140 (reorder_blocks_0): New, resets the flags.
4142 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
4144 * cse.c (find_comparison_args): Stop if the argument is known to
4147 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
4149 * config/sh/sh.md (movdf): When splitting load into pair of
4150 registers, don't clobber the register used in the address too
4153 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
4155 * varasm.c (mark_constant_pool): Improve initial comments.
4156 (mark_constants): Move marking of constants to mark_constant.
4157 (mark_constant): New function to recursively mark all constants
4158 referred to by a constant.
4160 2001-01-05 Catherine Moore <clm@redhat.com>
4162 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
4164 2001-01-05 Phil Edwards <pme@sources.redhat.com>
4166 * cp/lang-options.h: Bring comment in line with reality.
4167 * f/lang-options.h: Likewise.
4168 * java/lang-options.h: Likewise.
4169 * objc/lang-options.h: Likewise.
4170 * ch/lang-options.h: Likewise.
4171 * f/g77.texi: And update the manual.
4173 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
4174 Denis Chertykov <denisc@overta.ru>
4176 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
4177 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
4178 * config/avr/avr.md (all peepholes that request a scratch register):
4179 Call it, FAIL the peephole if not safe (in interrupt functions).
4181 2001-01-05 Mark Mitchell <mark@codesourcery.com>
4183 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
4185 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
4187 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
4189 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
4190 BUILT_IN_CREAL and BUILT_IN_CIMAG.
4191 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
4192 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
4193 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
4195 * extend.texi: Document these builtins.
4197 2001-01-05 Daniel Berlin <dberlin@redhat.com>
4199 * c-common.c (lang_get_alias_set): Say we know nothing of
4200 VECTOR_TYPE aliasing.
4202 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
4204 2001-01-05 Bruce Korb <bkorb@gnu.org>
4206 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
4207 their x* equivalent versions for atexit-less systems
4208 * fixinc/fixincl.c(main): do not return from main() on atexit-less
4209 systems (or any other system any more).
4211 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
4213 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
4214 output operands. Use arm_hard_register_operand for operand 4.
4215 (stmsi_postinc): Similarly.
4216 (ldmsi): Use arm_hard_register_operand for opernand 2.
4218 * arm.c (arm_hard_register_operand): New function.
4219 * arm-protos.h (arm_hard_register_operand): Prototype it.
4221 * arm.h (HARD_REGNO_RENAME_OK): Define.
4223 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
4225 * simplify-rtx.c (cfc_args): add "unordered" field.
4226 (check_fold_consts): Set unordered field.
4227 (simplify_relational_operation): Simplify the unordered
4230 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
4233 * emit-rtl.c (try_split): Fix code to mark labels.
4234 * jump.c (mark_jump_label): Make global.
4235 * rtl.h (mark_jump_label): Declare.
4237 * predict.c (estimate_probability): Handle unordred comparisons.
4239 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
4241 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
4242 * cppinit.c (initialize_dependency_output): Update.
4243 (cpp_finish): Output dummy targets for -MP.
4245 (cpp_handle_option): Handle -MP. Don't quote -MT options.
4246 * cpplib.h (struct cpp_options): Add deps_phony_targets.
4247 * gcc.c (cpp_options): Update to handle -MP.
4248 * mkdeps.c (deps_add_target, deps_add_default_target): Update
4249 to quote only the default target.
4250 (deps_phony_targets): Insert a preceding newline. Rename from
4251 deps_dummy_targets for consistency.
4254 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
4256 * calls.c (emit_library_call_value_1): Support
4257 INIT_CUMULATIVE_LIBCALL_ARGS.
4258 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
4260 2001-01-04 Richard Henderson <rth@redhat.com>
4262 * c-decl.c (finish_struct): Detect flexible array members
4263 used in an inappropriate context.
4264 * c-typeck.c (really_start_incremental_init): Special case
4265 constructor_max_index for zero length arrays.
4266 (pop_init_level): Allow initialization of flexible array
4267 members. Deprecate initialization of zero length arrays.
4268 Don't issue missing initializer warning for flexible array
4269 members or zero length arrays.
4270 (process_init_element): Don't dereference null DECL_SIZE.
4271 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
4272 Don't abort for empty constructors. Use size_binop
4273 (output_constructor): Add commentary regarding zero length
4274 array futures. Abort if we try to initialize an array of
4275 unspecified length with a non-empty constructor in the middle
4278 * extend.texi (Zero Length): Update and clarify documentation
4279 on static initialization.
4281 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4283 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
4284 with more than 32767 words of local storage.
4286 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4288 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
4289 for 'abs', 'labs', and 'fabs'.
4290 (c4x_expand_builtin): Likewise.
4291 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
4293 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
4295 * config/sh/sh.md (prget, prset): New insn types.
4296 (return delay slot): Dont' allow prset.
4297 (call, sfunc delay slot): Don't allow prget.
4298 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
4299 for prset and prget.
4301 2001-01-05 Michael Hayes <mhayes@redhat.com>
4303 * loop.h (struct loop_reg): New.
4304 (struct loop_regs): Change to use array of `struct loop_reg'.
4305 * loop.c: Replace assortment of varrays with single regs array.
4306 (count_one_set): Delete may_not_move array argument
4307 and use regs array instead. All caller's changed.
4308 (count_loop_regs_set): Delete may_not_move and single_usage
4309 arguments and use regs array instead. All caller's changed.
4310 (find_single_use_in_loop): Replace usage array argument with pointer
4311 to regs structure. All caller's changed.
4312 (loop_optimize): Delete `moved_once' array.
4314 2001-01-05 Michael Hayes <mhayes@redhat.com>
4316 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
4317 Use it instead of loop_info->has_call for scanning loop mems.
4318 (check_dbra_loop): Replace loop_info->has_call test with
4319 loop_info->has_nonconst_call.
4321 2000-01-04 Matthew Hiller <hiller@redhat.com>
4323 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
4326 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
4328 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
4329 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
4331 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
4333 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
4334 (flag_short_double, flag_short_wchar): Define.
4335 (c_common_nodes_and_builtins): Create many tree nodes shared
4336 between C and C++ here instead of in cp/decl.c and ...
4337 * c-decl.c (init_decl_processing): ... here.
4338 (SIZE_TYPE, WCHAR_TYPE): Don't define.
4339 (flag_short_double, flag_short_wchar): Don't define.
4340 (record_builtin_type): New function.
4341 (build_void_list_node): New function.
4342 * c-common.h (flag_short_double, flag_short_wchar,
4343 record_builtin_type, build_void_list_node): Declare.
4345 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
4347 * integrate.c (expand_inline_function): Don't put a virtual
4348 register into the reg map.
4350 * function.c (fixup_var_refs_1): If force_operand didn't put
4351 the address into the target, move it there.
4353 2001-01-04 Mark Mitchell <mark@codesourcery.com>
4355 Special-case tree_decl/tree_list allocations.
4356 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
4357 (OBJECT_SIZE): New macro.
4358 (NUM_EXTRA_ORDER): Likewise.
4359 (extra_order_size_table): New variable.
4360 (NUM_ORDERS): New macro.
4361 (objects_per_page_table): New variable.
4362 (object_size_table): New variable.
4363 (G.pages): Use NUM_ORDERS to bound the array.
4364 (G.page_tails): Likewise.
4365 (DIV_ROUND_UP): Remove.
4366 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
4367 (alloc_page): Use OBJECT_SIZE.
4368 (size_lookup): Don't make it const.
4369 (ggc_alloc): Use OBJECT_SIZE.
4370 (ggc_set_mark): Likewise.
4371 (ggc_get_size): Likewise.
4372 (init_ggc): Set up the object_size_table, objects_per_page_table,
4373 and adjust size_lookup.
4374 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
4375 (ggc_pop_context): Use NUM_ORDERS.
4376 (clear_marks): Likewise.
4377 (sweep_pages): Likewise.
4378 (poison_pages): Likewise.
4379 (ggc_print_statistics): Use OBJECT_SIZE.
4381 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4383 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
4384 Only call array_size_for_constructor if last field and array type
4385 with no upper bound.
4387 2001-01-04 Philip Blundell <philb@gnu.org>
4389 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
4390 from bit 31 downwards, if this requires no more insns.
4391 (count_insns_for_constant): New helper function for above.
4393 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
4395 * gencodes.c (output_predicate_decls): Remove empty initializer.
4397 2001-01-04 Mark Mitchell <mark@codesourcery.com>
4399 * tree.c (copy_node): Remove documentation about obstacks.
4400 (buidl1): Check that nobody tries to build 2-argument nodes this
4403 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4405 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
4408 * gencodes.c (output_predicate_decls): Fill empty initializer
4411 2001-01-04 Jakub Jelinek <jakub@redhat.com>
4413 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
4414 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
4416 (do_include): Handle missing headers like cpp0.
4417 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
4418 paths with first include pathname. Don't strcat to uninitialized
4421 2001-01-04 Bernd Schmidt <bernds@redhat.com>
4423 * regrename.c (regrename_optimize): Don't rename from frame pointer
4424 if frame_pointer_needed.
4425 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
4426 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
4427 (ia64_reorg): Use it instead of scheduling if ! optimize.
4428 (errata_emit_nops): Properly call asm_noperands.
4429 (ia64_sched_reorder): Finish cycle if we see an asm.
4430 (ia64_variable_issue): Clear scheduling state after asms.
4432 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
4434 * cpp.texi: Update for -MT.
4435 * cppinit.c (initialize_dependency_output): Add a default
4436 target if none has been given already.
4437 (no_tgt, OPT_MT): New.
4438 (cpp_handle_option): Handle -MT. Update -M etc.
4439 * cpplib.h (struct cpp_options): Remove deps_target.
4440 * gcc.c (cpp_options): Handle -MT.
4441 * mkdeps.c (struct deps): Move from mkdeps.h.
4442 (deps_calc_target): Rename deps_add_default_target. Add a
4443 default target if none has been specified already.
4444 * mkdeps.h (struct deps): Move to mkdeps.c.
4445 (deps_calc_target): Rename deps_add_default_target.
4447 2000-01-03 Richard Henderson <rth@redhat.com>
4449 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
4451 * c-typeck.c (push_init_level): Move checks for flexible array
4452 members and zero length arrays ...
4453 (pop_init_level): ... here. Silently discard empty initializations.
4455 * varasm.c (output_constructor): Update for sizeof change to
4458 * extend.texi (Zero Length): Clarify semantics.
4460 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
4462 * configure.in (tm.h): Include isns-codes.h last.
4463 * configure: Rebuilt.
4465 2001-01-03 Richard Henderson <rth@redhat.com>
4467 * config/alpha/alpha.md (addvsi3, addvdi3): New.
4468 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
4470 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4472 * tradcpp.c (main): Make sure finclude() is called with a valid
4473 indepth value while handling -include.
4475 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
4477 * gencodes.c (output_predicate_decls): New function.
4479 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
4480 even if it is not the first time machmode.h is #included.
4481 * config/sh/sh.c (fpul_operand): Declare MODE argument.
4482 * tm.texi (PREDICATE_CODES): Document predicate declarations.
4483 * gcc.texi (Copyright): Added 2001.
4485 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
4487 * c-common.c (c_common_lang_init): New function. Warn if format
4488 warning options which only have effects when used with -Wformat
4489 are used without -Wformat.
4490 * c-common.h (c_common_lang_init): Declare.
4491 * c-lang.c (lang_init): Call c_common_lang_init.
4492 * objc/objc-act.c (lang_init): Call c_common_lang_init.
4494 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
4496 * configure.in: Check for the mktemp command.
4497 * configure: Regenerate.
4498 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
4499 $TEMP. Create temporary files with mktemp, if available at
4500 configure time; otherwise use set -C. Remove temporary files
4503 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
4505 * configure.in: Require at least texinfo 4.0. Check for whether
4506 Pod::Man is sufficiently recent to regenerate GCC manpages.
4507 * configure: Regenerate.
4508 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
4510 (GENERATED_MANPAGES): Define.
4511 (generated-manpages): New target. Depend on cpp.1 as well as
4513 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
4514 configure to generated-manpages or empty) rather than on the
4515 manpages directly. Remove execute permission from installed
4516 gcov.1 as well as cpp.1.
4517 * cpp.1, gcov.1: Regenerate.
4519 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4521 * builtins.c (expand_builtin_strncmp): Use host_integerp and
4522 tree_low_cst. Allow using cmpstrsi in more cases.
4524 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4526 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
4529 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
4531 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
4532 * Makefile.in (HOST_CFLAGS): Mention build-make.
4534 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4536 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
4539 2001-01-01 Bernd Schmidt <bernds@redhat.com>
4541 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
4544 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
4547 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
4548 reg_base_value and reg_known_value arrays.
4549 (init_alias_analysis): Add more cases to detect known values.
4550 * sched-deps.c (deps_may_trap_p): New function.
4551 (sched_analyze_2): Use it.
4553 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
4555 * combine.c (simplify_shift_const): Even if we're sign-extracting,
4556 don't discard an ASHIFTRT if we're shifting in a wider mode.
4558 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
4560 * toplev.c (rest_of_compilation): Don't print basic block information
4561 when CFG isn't up to date.
4563 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
4565 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
4566 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
4567 (UNALIGNED_SHORT_ASM_OP): Define.
4568 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
4570 2001-01-02 Mark Mitchell <mark@codesourcery.com>
4572 * fold-const.c (fold_convert): Fix typo.
4574 2001-01-02 Richard Henderson <rth@redhat.com>
4576 * c-common.h (ASM_INPUT_P): New.
4577 * c-parse.in (asm): Set it when needed.
4578 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
4579 existance of an operand.
4581 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
4583 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
4584 (dwarf2out_frame_debug_expr): Likewise.
4585 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
4587 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
4589 * i386.c (ix86_split_to_parts): Return number of part required;
4591 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
4593 (ix86_split_long_move): Use number of part returned
4594 by ix86_split_to_parts
4595 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
4597 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
4598 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
4599 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
4600 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
4601 (ALIGN_MODE_128): Add TFmode.
4602 (IS_STACK_MODE): Likewise.
4603 (HARD_REGNO_NREGS): TFmode needs 3 registers.
4604 (HARD_REGNO_OK): Support TFmodes.
4605 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
4606 * i386.md (scheduler definitions): Use memory operand to determine
4607 fst/fld instructions; use mode attribute to determine real mode of
4609 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
4610 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
4612 2001-01-02 Mark Mitchell <mark@codesourcery.com>
4614 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
4616 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
4618 * expr.c (store_constructor_field): Update ALIGN before calling
4621 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
4623 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
4626 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
4628 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
4631 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
4633 * c-decl.c (start_function): Don't warn on third parameter to main.
4635 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4637 * tsystem.h: Define HAVE_DECL_GETOPT.
4639 2001-01-02 Philip Blundell <pb@futuretv.com>
4641 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
4644 2001-01-02 Richard Henderson <rth@redhat.com>
4646 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
4648 2001-01-02 Andreas Jaeger <aj@suse.de>
4650 * c-decl.c (c_decode_option): Remove support of
4653 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
4654 (W_options): Add -Wmissing-noreturn here.
4656 * flow.c: Define lang_missing_noreturn_ok_p.
4657 (check_function_return_warnings): Use it.
4659 * c-common.h: Declare lang_missing_noreturn_ok_p.
4661 * c-lang.c (c_missing_noreturn_ok_p): New function.
4662 (lang_init): Set lang_missing_noreturn_ok_p.
4664 * invoke.texi (Warning Options): Document this.
4666 2000-12-27 Phil Edwards <pme@sources.redhat.com>
4668 * extend.texi (C++ Extensions): New node for C++ attributes;
4669 describe init_priority and com_interface.
4670 * invoke.texi: Remove -finit-priority as it now has zero effect.
4671 * install.texi: Fix xref syntax.
4672 * md.texi: Likewise.
4674 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4676 * config.gcc (sparc64-wrs-vxworks*): New case.
4677 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
4679 * config/sparc/sparc.c (sparc_override_options): Do support different
4680 pointer and architecture size.
4681 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
4682 (POINTERS_EXTEND_UNSIGNED): Define.
4683 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
4684 (FUNCTION_MODE): Define to be Pmode.
4685 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
4687 * function.c (expand_function_end): Properly handle DECL_RESULT
4688 and copy when ptr_mode != Pmode.
4689 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
4691 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4693 * c-common.c (c_common_nodes_and_builtins): Set prototype
4694 parameters for __builtin_fputs, __builtin_fputc and
4695 __builtin_fwrite. Don't declare plain fputc as a builtin.
4697 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
4699 * loop.c (add_label_notes): Increment the label usage count when
4700 a note is added to an insn which refers to a CODE_LABEL.
4701 * gcse.c (add_label_notes): Likewise.
4703 2001-01-01 Andreas Jaeger <aj@suse.de>
4705 * loop.c (scan_loop): Use xmalloc to allocate movables.
4707 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
4709 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
4710 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
4711 * reload1.c (REGISTER_MOVE_COST): Likewise.
4712 * regclass.c (REGISTER_MOVE_COST): Likewise.
4713 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
4714 dimension. Adjust all users.
4715 (init_reg_sets_1): Iterate on all modes.
4716 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
4717 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
4718 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
4719 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
4720 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
4721 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
4722 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
4723 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
4724 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
4725 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
4726 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
4727 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
4728 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
4729 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
4730 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
4731 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
4732 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
4733 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
4734 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
4735 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
4736 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
4737 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
4738 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
4739 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
4740 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
4741 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
4742 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
4744 2001-01-01 Bernd Schmidt <bernds@redhat.com>
4746 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
4747 arg VARIES_P. Call it with extra arg.
4748 (true_dependence): Likewise.
4749 * rtl.h (rtx_addr_can_trap_p): Declare.
4750 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
4752 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
4753 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
4754 pic offset table register if it's zero. All callers changed.
4755 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
4757 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4759 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
4760 STRING_POOL_ADDRESS_P.
4762 * config/sparc/sparc.c (input_operand): Properly test for short op.
4764 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
4765 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
4766 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
4767 * config/sparc/elf.h: No longer include sol2.h.
4768 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
4769 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
4771 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
4773 2001-01-01 Michael Hayes <mhayes@redhat.com>
4775 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
4776 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
4777 (record_initial): Likewise.
4778 * unroll.c (copy_loop_body, loop_iterations): Likewise.
4779 (remap_split_bivs): Likewise.
4781 2001-01-01 Michael Hayes <mhayes@redhat.com>
4783 * loop.c (loop_ivs_free): New function.
4784 (strength_reduce): Break out from...
4786 2001-01-01 Michael Hayes <mhayes@redhat.com>
4788 * loop.h (struct iv): New.
4789 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
4790 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
4791 'reg_biv_class' fields with 'regs' and 'n_regs'.
4792 (struct ivs): Rename 'loop_iv_list' field to 'list'.
4793 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
4794 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
4796 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
4798 * resource.c (mark_referenced_resources): Abort() before
4799 attempting to mark a pseudo register.
4800 (mark_set_resources): Likewise.
4802 2001-01-01 Michael Hayes <mhayes@redhat.com>
4804 * loop.h (REG_IV_CLASS): New accessor macro.
4805 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
4806 * unroll.c (REG_IV_CLASS): Likewise.
4808 See ChangeLog.4 for earlier changes.