1 2001-02-03 Jakub Jelinek <jakub@redhat.com>
3 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
5 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
7 * cpphash.h: Rename _ALIGN POOL_ALIGN.
8 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
10 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
12 * cpphash.h: Rename ALIGN _ALIGN.
13 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
15 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
17 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
18 compilation environment.
19 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
20 control over location of cygwin includes and libs.
22 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
24 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
26 2001-02-02 lars brinkhoff <lars@nocrew.org>
28 * md.texi (Standard Names): remove reference to spur.md.
30 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
32 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
33 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
34 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
35 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
36 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
38 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
40 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
41 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
43 (c4x_adjust_cost): Return zero before reload.
44 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
47 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
49 * c4x.c (c4x_hard_regno_rename_ok): New.
50 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
51 * c4x.h (HARD_REGNO_RENAME_OK): Define.
53 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
55 * diagnostic.h: Add missing "extern" in all declarations.
57 2001-02-02 Alex Samuel <samuel@codesourcery.com>
59 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
60 as for gcc_gxx_include_dir.
62 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
64 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
66 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
68 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
69 label before alignment to be used as the braf base address.
70 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
72 (casesi_jump_2): Require at least TARGET_SH2.
74 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
75 truncation to 32-bit doubles on -m3e and -m4-single-only.
77 2001-02-02 Mark Mitchell <mark@codesourcery.com>
79 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
80 the default when building a shared object.
82 * testsuite/lib/g++.exp: Include the directory where libgcc
83 is located to the LD_LIBRARY_PATH list.
84 * inovke.texi (-shared-libgcc): Document the cases in which
85 GCC defaults to using the shared libgcc.
87 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
89 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
90 unsigned is wide enough.
92 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
93 (si_to_float): Likewise.
94 (float_to_si, float_to_usi): Use BITS_PER_SI.
96 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
98 * dwarf2out.c: Added explanation of abbreviations.
99 (def_cfa_1): Added comments listing DWARF2 instructions.
100 (cfa_temp_reg): Removed in favor of cfa_temp.
101 (cfa_temp_value): Removed in favor of cfa_temp.
102 (cfa_temp): New global variable.
103 (dwarf2out_frame_debug_expr): Added extensive introductory
104 comments explaining the function's transformations. Revised to
105 use cfa_temp. Added some rtx checking. Generalize IOR case.
106 (dwarf2out_frame_debug): Revised to use cfa_temp.
107 (output_aranges): Cast as "unsigned" to avoid warning.
108 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
109 explain which instructions must be marked.
111 2001-02-01 Richard Henderson <rth@redhat.com>
113 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
116 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
118 * config/sh/crt1.asm (main_k): Modified so that start calls
119 ___setup_argv_and_call_main.
121 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
123 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
124 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
125 and AVOID_LPASTE is cleared on meeting an unescaped newline.
126 * cppmacro.c (builtin_macro): Set builtin flags here.
127 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
128 (replace_args): Clarify intent.
129 (cpp_get_token): Macro expansion tokens get the saved flags.
131 * cppmain.c (scan_buffer): Remove now-redundant print.printed
134 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
136 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
139 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
141 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
142 returns Pmode pseudo, but we need ptr_mode.
143 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
144 Remove bogus conversions; use HOST_WIDE_INT for size.
145 Don't use TARGET if wrong mode.
147 * config/i386/i386.c (ix86_compute_frame_size): Allow
148 stack_alignment_needed to be non-default even if size is zero.
150 2001-01-31 Alan Modra <alan@linuxcare.com.au>
152 * (hppa_init_pic_save): Emit the pic offset table
153 reg save after last_parm_insn.
154 * pa.c (hppa_init_pic_save): New function.
155 * pa.h (hppa_init_pic_save): Declare.
156 * pa.md (call, call_value, sibcall, sibcall_value): Use
157 the above instead of duplicated code.
159 * pa.c (hppa_encode_label): Correct size of alloca buffer
160 so we don't overrun it. Correct leading `*' case.
161 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
163 (FUNCTION_NAME_P): Likewise.
165 2001-01-31 Richard Henderson <rth@redhat.com>
167 * config.gcc (alpha-osf5): Use float-i128.h.
169 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
170 * config/float-i32.h: Likewise.
171 * config/float-i64.h: Likewise.
172 * config/float-sh.h: Likewise.
173 * config/float-sparc.h: Likewise.
175 2001-01-31 DJ Delorie <dj@redhat.com>
177 * expmed.c (extract_bit_field): allow non-integral modes if we
178 want to extract a whole register from itself.
180 2001-01-31 Jakub Jelinek <jakub@redhat.com>
182 * c-typeck.c (set_init_index): If first is equal to last, assume as
183 if it was not a range at all.
185 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
187 * config/fp-bit.c: Include tm.h.
188 (float_to_si): Don't assume SImode is 32-bits wide.
189 (float_to_usi): Likewise.
191 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
193 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
195 (typename): Call pending_xref_error after parsing typed_typespecs.
196 * c-decl.c (lookup_tag): Give error immediately rather than
197 leaving it pending if the tag of the wrong type is in the same
199 (xref_tag): Don't pedwarn for forward declarations of enum types
201 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
204 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
206 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
208 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
210 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
211 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
213 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
215 * cpphash.h (struct cpp_reader): New saved_flags.
216 * cppmacro.c (cpp_get_token): Use saved_flags to remember
217 to avoid a paste after a pasted token.
219 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
221 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
222 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
223 Wtype_MIN instead of LONG_MIN.
225 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
227 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
229 * fixinc/fixincl.x: Regenerated.
230 * fixinc/inclhack.def (irix_limits_const): New definition to
231 convert "const" to "__const" in limits.h.
233 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
235 * fixinc/genfixes (AG): Fix "autogen4" thinko.
237 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
239 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
240 when register dies in the insn.
242 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
244 * diagnostic.c (fatal): Fix word wrap.
246 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
248 * combine.c (try_combine): Fix SUBREG setting for
249 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
251 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
253 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
256 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
258 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
260 * toplev.c (decode_W_option): Update warn_larger_than
261 unconditionally for each processed switch.
263 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
265 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
267 (hppa_expand_prologue): Delete code to save pic offset table register
268 in the function prologue.
269 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
270 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
271 table register at the beginning of the function after the prologue.
273 2001-01-29 lars brinkhoff <lars@nocrew.org>
275 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
277 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
278 Jeff Law <law@redhat.com>
280 * pa.md (return): Revise comment for trivial return.
281 (return_internal): Non-trivial return pattern for non-PIC code.
282 (return_internal_pic): Non-trivial return pattern for PIC code.
283 It uses the PIC register to ensure it is restored after
285 (epilogue): Generate appropriate return for PIC and non-PIC code.
287 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
289 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
291 2001-01-29 DJ Delorie <dj@redhat.com>
293 * combine.c (if_then_else_cond): Pass the correct mode to
294 operand_subword() for constants.
296 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
298 * config/i386/cygwin.h: Add w32api to include search. Search different
299 directories in a cross-build environment.
301 2001-11-29 Tim Josling <tej@melbpc.org.au>
303 * tree.h (TYPE_STUB_DECL): Add documentation.
305 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
307 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
308 (sdbout_field_types): Likwise. Fix use of host_integerp.
310 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
312 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
315 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
317 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
318 to use flag_gnu_linker.
320 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
322 * cpplib.c (T_BAD_DIRECTIVE): Remove.
323 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
325 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
327 * tree.c, tree.h (build_parse_node): Remove; was identical to
329 * c-lang.c (start_cdtor), objc/objc-act.c
330 (build_module_descriptor): Use build_nt instead of
333 2001-01-29 Jakub Jelinek <jakub@redhat.com>
335 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
336 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
337 not have any upper bits set.
339 2001-01-29 Phil Edwards <pme@sources.redhat.com>
341 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
343 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
345 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
347 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
349 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
350 (integer_minus_one_node): Define.
352 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
354 * Makefile.in (bootstrap2-lean): Fix typo.
356 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
358 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
359 : Don't set fe_value.
360 * cpplib.h (AVOID_LPASTE): New flag.
361 (struct cpp_hashnode): Remove fe_value.
362 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
363 * cppmacro.c (builtin_macro): Don't set flags here.
364 (replace_args): Set AVOID_LPASTE flag on first token of an
365 argument, and the token following it.
366 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
367 macro expansion, and on the token following it. Do it for
369 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
371 2001-01-27 Richard Henderson <rth@redhat.com>
373 * config/alpha/t-ieee: Remove multilibbing.
374 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
376 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
378 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
380 * Makefile.in: Remove all dependencies on defaults.h.
381 * builtins.c: Don't include defaults.h.
382 * c-common.c: Likewise.
383 * c-decl.c: Likewise.
384 * c-pragma.c: Likewise.
385 * c-typeck.c: Likewise.
386 * combine.c: Likewise.
388 * frame-ia64.c: Likewise.
389 * cppexp.c: Likewise.
390 * crtstuff.c: Likewise.
391 * dbxout.c: Likewise.
392 * dwarf2out.c: Likewise.
393 * dwarfout.c: Likewise.
394 * emit-rtl.c: Likewise.
395 * except.c: Likewise.
398 * frame-dwarf2.c: Likewise.
399 * libgcc2.c: Likewise.
400 * optabs.c: Likewise.
401 * profile.c: Likewise.
402 * sdbout.c: Likewise.
403 * toplev.c: Likewise.
404 * tradcif.y: Likewise.
406 * varasm.c: Likewise.
408 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
410 * builtins.c (expand_builtin_fputs): Use size_one_node when
411 transforming into fwrite.
413 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
415 * extend.texi (Attribute Syntax): New section.
417 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
419 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
420 they didn't need fixing.
422 2001-01-27 Janis Johnson <janis@us.ibm.com>
424 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
426 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
427 to remove macro definitions that are duplicated from elfos.h.
429 2001-01-27 Richard Henderson <rth@redhat.com>
431 * config/i386/sco5gas.h: Move ...
432 * config/usegas.h: ... here.
433 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
435 2001-01-27 Jakub Jelinek <jakub@redhat.com>
437 * c-typeck.c (struct constructor_stack): Add range_stack member.
438 (really_start_incremental_init): Clear it.
439 (push_init_level): Save constructor_range_stack and clear it if
440 pushing explicit braces.
441 (pop_init_level): abort if constructor_range_stack is non-zero at
442 explicit closing brace. Restore saved constructor_range_stack if
445 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
447 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
448 into register was forced into memory.
450 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
452 * Makefile.in: Remove uses of + before $(MAKE).
454 2001-01-26 Richard Henderson <rth@redhat.com>
456 * stmt.c (cost_table): Remove.
457 (COST_TABLE, cost_table_initialized): New.
458 (estimate_case_costs): Use the later instead of the former.
459 (balance_case_nodes): Likewise.
461 2001-01-26 Richard Henderson <rth@redhat.com>
463 * alias.c (objects_must_conflict_p): Read-only slots may not
464 conflict despite having the same type.
466 2001-01-27 Michael Hayes <mhayes@redhat.com>
468 * loop.c (loop_giv_reduce_benefit): Copy mode size into
470 (check_ext_dependant_givs): Initialise u_start_val and
472 (load_mems): Make last_max_reg unsigned.
473 (try_swap_copy_prop): Use INSN_P and initialise set.
475 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
477 * README.AVR : Removed.
479 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
481 * pa-64.h (text_section): Remove declaration.
483 * pa.md (return_internal): Remove mode on PIC register use.
485 2001-01-25 lars brinkhoff <lars@nocrew.org>
487 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
488 ASM_CLOSE_PAREN): fix typos.
490 2001-01-25 Mark Mitchell <mark@codesourcery.com>
492 * acconfig.h: Define `const' to the empty string if neither
493 __STDC__ nor __cplusplus is defined.
494 * config.in: Regenerated.
496 2001-01-25 David Edelsohn <edelsohn@gnu.org>
498 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
499 * collect2.c (main): Delete importf. Add ".obj" file extension.
500 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
501 (aix_std_libs): Add additional AIX libraries to skip.
502 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
503 * config/rs6000/aix51.h: New file.
505 2001-01-25 Michael Hayes <mhayes@redhat.com>
507 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
508 (loop_insn_emit_before): No longer static.
509 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
510 (loop_givs_rescan, load_mems): Likewise.
511 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
512 (maybe_eliminate_biv_1):
513 (move_movables): Replace emit_call_insn_before with
514 loop_call_insn_hoist.
515 * loop.h (loop_insn_emit_before): Add.
516 * unroll.c (copy_loop_body): Replace emit_insn_before with
517 loop_insn_emit_before.
519 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
521 * diagnostic.c (fatal): Request preprocessed source.
523 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
525 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
526 olddecl has argument types and newdecl has none, use the argument
529 2001-01-24 Ulrich Drepper <drepper@redhat.com>
531 * dwarf2out.c (prefix_of): New function. Determine longest common
532 prefix of the two arguments. The units are whole path components.
533 (output_file_names): When adding a new directory find the one entry
534 with the longest common prefix already in the list. Artificially
535 generate entry if there is none for this prefix.
536 Fix test to check whether the zeroth directory entry is used.
538 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
540 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
541 Changed all callers. Take it into account when deciding if a
542 previously loaded value matches.
544 2001-01-24 Richard Henderson <rth@redhat.com>
546 * reload.c (find_reloads_subreg_address): Fail the substitution
547 if the resulting address is insufficiently aligned.
549 2001-01-24 DJ Delorie <dj@redhat.com>
551 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
552 check the original operand's mode also.
553 * simplify-rtx.c (simplify_ternary_operation): Ditto.
555 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
557 * c-parse.in (cast_expr): Move compound literals from here ...
558 (primary): ... to here. Use standard terminology "compound
559 literal" instead of "constructor expression".
561 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
563 * gcc.1, cpp.1: Regenerate.
565 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
567 * calls.c (emit_library_call_value_1): Memory slot for
568 pass-by-reference argument should have the mode of the argument,
569 not of the pointer to it.
571 2001-01-24 Tom Tromey <tromey@redhat.com>
573 * gcc.texi (G++ and GCC): Mention gcj manual.
574 (Standards): Link to section of manual mentioning gcj/Java
577 2001-01-24 Jakub Jelinek <jakub@redhat.com>
579 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
580 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
581 * tradcpp.c (main): Add -imacros or -include'd dependencies
583 * cpp.texi (-M, -MM): Document -M -include behaviour.
585 2001-01-24 Roger Collins <roger@ProProject.com>
587 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
589 2001-01-24 Will Cohen <wcohen@redhat.com>
591 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
592 whether registers are 32 bits or 64 bits in size.
594 2001-01-24 Ben Elliston <bje@redhat.com>
596 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
598 2001-01-24 Richard Henderson <rth@redhat.com>
600 * config/alpha/alpha.md (builtin_longjmp_internal): New.
601 (builtin_longjmp): Use it instead of emit_indirect_jump.
603 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
605 * bb-reorder.c (make_reorder_chain_1): Handle case where
606 jump edge goes to the same block as the fallthru edge.
608 2001-01-23 Jim Wilson <wilson@redhat.com>
610 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
611 * frame.h (__ia64_personality_v1): Add prototype.
612 * libgcc2.c (ia64_throw_helper): Change personality declaration to
613 prototype form. Add void * cast to first argument to personality
615 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
616 (asctoe113): Likewise.
617 * config/ia64/frame-ia64.c: Include eh-common.h.
618 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
620 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
622 (itanium_split_issue): Add prototype.
623 (gen_nop_type): Ifdef out.
624 (find_best_packet): Initialize best_packet.
625 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
627 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
628 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
629 (flushrs): Add explicit stop bit at end.
630 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
633 2001-01-23 Chris Demetriou <cgd@broadcom.com>
635 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
637 * libgcc2.c (__terminate_func): Make variable static.
638 (__terminate_set_func): New function to set __terminate_func.
639 * libgcc2.h (__terminate_func_ptr): New typedef.
640 (__terminate_set_func): New function.
642 2001-01-23 Richard Henderson <rth@redhat.com>
644 * flow.c (init_propagate_block_info): Don't consider unchanging
645 memories for dead frame store elimination.
647 2001-01-23 Richard Henderson <rth@redhat.com>
649 * varasm.c (UNIQUE_SECTION): Move default implementation ...
650 * defaults.h: ... here.
652 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
654 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
656 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
658 * c-lex.c (lex_charconst): Fix typo: s/p/str.
660 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
662 * rs6000.h (rs6000_return_addr): Move prototype from here...
663 * rs6000-protos.h (rs6000_return_addr): ...to here.
664 (rs6000_init_expanders): Delete prototype.
666 2001-01-23 Nick Clifton <nickc@redhat.com>
668 * invoke.texi: Replace , with \, inside @gccoptlist macros.
669 (Spec Files): Document %B and %j and %. and %v3 and %M and
670 %{S*&T} spec switches.
672 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
674 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
676 2001-01-23 Chris Demetriou <cgd@sibyte.com>
677 Neil Booth <neil@daikokuya.demon.co.uk>
679 * cpperror.c: Merge handlers of PEDWARN and WARNING.
680 Have -Werror make pedantic warnings errors, like the
683 2001-01-23 Phil Edwards <pme@sources.redhat.com>
685 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
687 2001-01-23 Jakub Jelinek <jakub@redhat.com>
689 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
690 * integrate.c (expand_inline_function): Initialize them.
691 (subst_constants): If changing COMPARE so that both its arguments
692 will be VOIDmode and the comparison mode will be lost, note
693 compare_mode. Use the recorded compare_mode to optimize
696 2001-01-23 Jason Merrill <jason@redhat.com>
698 * dwarf2out.c (new_die): Use xcalloc.
699 (output_die): Abort rather than emit a local reference to offset 0.
701 2001-01-17 Andrew Haley <aph@redhat.com>
703 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
704 of a saved register; return NULL instead.
705 (copy_reg): Take a pointer to a source register rather than a
707 (next_stack_level): Remember the address in the stack frame of all
709 Use the saved register pointer array as the source of the CFA.
710 (throw_helper): Rewrite. Unwind once rather than twice and keep
711 track of saved registers as we go.
713 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
715 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
716 * c4x.c (c4x_legitimize_reload_address): Remove.
717 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
718 reload address for ldp(k) insn.
720 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
722 * pa.md (return_internal): Add a USE of the PIC register to ensure
723 it is restored after each call.
724 (return expander): Corresponding changes.
726 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
728 * rs6000.h (INIT_EXPANDERS): Delete.
729 (RETURN_ADDR_RTX): Call rs6000_return_addr().
730 * rs6000.c (rs6000_override_options): Call *_machine_status from
732 (rs6000_init_expanders): ...instead of here. Delete.
733 (rs6000_mark_machine_status): New function.
734 (rs6000_init_machine_status): Use xcalloc.
735 (rs6000_return_addr): Generate RTX for the return address.
736 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
737 (rs6000_stack_info): Use it.
739 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
741 * gthr-win32.h: Include errno.h to get a declaration for
742 EINVAL and _mingw.h if the target is mingw32.
744 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
746 * cpp.texi: Correct typos.
748 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
750 * explow.c (probe_stack_range): Ensure value passed to
751 stack_check_libfunc is ptr_mode, not Pmode.
753 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
755 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
756 case, don't use operand_subword to calculate a SUBREG that is
759 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
761 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
763 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
764 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
765 valid. If not replace it by equivalent insns.
767 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
769 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
770 contains SYMBOL_REF, LABEL_REF and CONST_INT.
771 (c4x_U_constraint, symbolic_address_operand): Likewise.
772 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
774 (c4x_r11_set_p, c4x_check_laj_p): New functions.
775 * c4x-protos.h (c4x_check_laj_p): Add prototype.
776 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
777 anulling slot because of silicon bug.
778 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
780 2001-01-22 Alan Modra <alan@linuxcare.com.au>
782 * cppexp.c (parse_charconst): Change `mask' type to agree
785 2001-01-21 Richard Henderson <rth@redhat.com>
787 * config/i386/i386.c (ix86_asm_file_end): Disable putting
788 pic_label_name in a linkonce section.
790 2001-01-17 Philipp Thomas <pthomas@suse.de>
792 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
794 * configure: Regenerate.
796 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
798 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
799 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
801 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
803 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
804 If REVERSE nonzero then condition code in X must be reversed.
805 (encode_section_info): Optimise if/else.
806 (avr_function_value): Fix formatting.
808 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
809 (difficult_branch): Likewise.
810 (rvbranch): Likewise.
811 (difficult_rvbranch): Likewise.
813 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
815 * config/avr/libgcc.S: Fix comment.
817 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
819 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
821 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
823 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
825 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
827 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
828 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
829 * configure, config.in: Regenerate.
830 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
831 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
832 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
833 (doprint.o): New rule.
835 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
837 * c-typeck.c (digest_init): Handle boolean types as scalars.
839 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
841 * stmt.c (expand_return): Don't return anything if size is zero.
842 Delete redundant assignment to BYTES.
843 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
845 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
847 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
848 the same as the default library function names.
849 * config/avr/avr.md: Document special characters after '%'.
850 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
851 knowing which of the call-used registers are really clobbered.
852 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
853 New. Both quotient and remainder from one libgcc.S call.
854 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
855 clobber as few registers as possible.
856 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
858 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
860 * cppmacro.c (funlike_invocation_p): Don't move back up to the
861 context of the top of the stack.
863 2001-01-20 Jakub Jelinek <jakub@redhat.com>
865 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
866 (fixup_var_refs_insns): ...here.
868 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
870 * function.c (fixup_var_refs_insns): Break up into
871 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
872 [loop over entire insn list], and fixup_var_refs_insns_with_hash
873 [loop over hash table entries].
874 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
875 fixup_var_refs_insns_with_hash, to match above changes.
877 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
879 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
880 (libgcc.a): Likewise.
881 (stmp-multilib): Likewise.
882 (STAGE2_FLAGS_TO_PASS): Likewise.
884 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
886 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
887 temporary if no_new_pseudos.
889 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
891 * cppinternals.texi: Update.
893 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
895 * arm.c (arm_init_builtins): Re-enable builtins.
897 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
899 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
900 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
901 element to be null, and always expect an EXPR_LIST.
902 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
903 * sched-deps.c (sched_analyze_1): Likewise.
904 * sched-rgn.c (check_live_1, update_live_1): Likewise.
906 * regclass.c (max_set_parallel): New variable.
907 (reg_scan): Take it into account in computation of max_parallel.
908 (reg_scan_mark_refs, case SET): Compute it.
910 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
912 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
913 * function.c (assign_parms): Use INTVAL for a CONST_INT.
915 2001-01-19 Jason Merrill <jason@redhat.com>
917 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
918 for the abstract instance of an inline function.
920 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
921 J"orn Rennecke <amylaar@redhat.com>
923 * reload1.c (move2add_note_store): Treat all registers directly or
924 indirectly derived from a base register as members of the same set
926 (reload_cse_move2add): Adjust accordingly. Take mode and offset
927 of base register into account.
929 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
931 * alias.c (find_base_value): Recognize TRUNCATE.
932 (record_set): In PLUS case, invalidate if other summand is also a
935 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
937 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
938 entry to be EXPR_LIST.
939 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
940 be an EXPR_LIST (but not null, which other code doesn't allow).
941 (note_stores): Properly handle PARALLEL in SET.
942 Recursively call for top-level PARALLEL.
943 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
944 * sched-rgn.c (check_live_1, update_live_1): Likewise.
946 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
948 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
950 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
951 not pfile->skipping (== 0).
953 2001-01-17 Nick Clifton <nickc@redhat.com>
955 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
958 2001-01-17 Jim Wilson <wilson@redhat.com>
960 * invoke.texi (IA-64 options): Improve.
962 2001-01-17 Tom Tromey <tromey@redhat.com>
964 * invoke.texi (Optimize Options): Use `{}' to around @samp
967 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
969 * invoke.texi (-fno-guess-branch-probability): New option.
971 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
973 * combine.c (try_combine): Don't set i3_subst_into_i2 for
974 case of making new double-word constant.
975 Revert last change: instead just test i3_subst_into_i2.
977 2001-01-17 Jakub Jelinek <jakub@redhat.com>
979 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
980 Use q constraints instead of r.
982 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
984 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
985 (machine_function): Define.
986 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
987 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
988 pa_free_machine_status): New functions.
989 (override_options): Set {init,mark,free}_machine_status to above.
990 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
991 PIC_OFFSET_TABLE_REGNUM_SAVED.
992 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
993 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
994 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
995 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
996 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
998 2001-01-15 DJ Delorie <dj@redhat.com>
1000 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
1004 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1006 * flow.c (propagate_on_insn): Make trying to delete a prologue
1007 or epilogue insn an ICE, not a warning. Allow doing this if
1008 the current function returns with stack pointer depressed.
1010 * combine.c (try_combine): If i3_subst_into_i2, properly check for
1011 I3 having more than one SET.
1013 2001-01-16 Jim Wilson <wilson@redhat.com>
1015 * invoke.texi: Document IA-64 options.
1017 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
1018 (fixup_errata): Delete TARGET_A_STEP use.
1019 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
1020 (TARGET_SWITCHES): Delete -ma-step option.
1021 * config/ia64/ia64.md (all FP patterns): Delete %B0.
1022 (movqicc_astep, movqi_internal_astep, movhicc_astep,
1023 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
1024 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
1025 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
1026 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
1028 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
1029 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
1030 cmovsi_internal): Delete ! TARGET_A_STEP check.
1032 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1034 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
1035 possibility to report bugs via postal mail. Change a URL and
1036 merge in a nearly duplicate statement...
1037 (Bug Reporting): ...from here.
1038 (Service): Refer to the Bug Reporting section instead of
1040 (Contributing): Remove trivial explanations concerning snapshots.
1042 2001-01-16 Alan Modra <alan@linuxcare.com.au>
1044 * cppmain.c (general_init): Don't use ANSI prototype.
1046 2001-01-16 Tom Tromey <tromey@redhat.com>
1048 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
1050 2001-01-16 Richard Henderson <rth@redhat.com>
1052 * config/i386/i386.h: Fix comment typo.
1053 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
1054 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
1056 2001-01-16 Phil Edwards <pme@sources.redhat.com>
1058 * gcc.c: Revert previous -fsyntax-only-related change; move
1061 2001-01-16 Jakub Jelinek <jakub@redhat.com>
1063 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
1064 inmode after checking GET_CODE (op).
1066 2001-01-16 Richard Henderson <rth@redhat.com>
1068 * flow.c (struct propagate_block_info): Add mem_set_list_len.
1069 (MAX_MEM_SET_LIST_LEN): New.
1070 (propagate_one_insn): Update mem_set_list_len.
1071 (invalidate_mems_from_autoinc): Likewise.
1072 (invalidate_mems_from_set): Likewise.
1073 (mark_used_regs): Likewise.
1074 (init_propagate_block_info): Likewise. Stop collecting memories
1075 when we reach MAX_MEM_SET_LIST_LEN.
1076 (mark_set_1): Likewise.
1078 2001-01-16 Richard Henderson <rth@redhat.com>
1080 * unroll.c (precondition_loop_p): Fail if no iteration
1083 2001-01-16 Phil Edwards <pme@sources.redhat.com>
1085 * gcc.c: When -fsyntax-only is given, do not complain about
1088 2001-01-15 Richard Henderson <rth@redhat.com>
1090 * config/i386/i386.c (asm_output_function_prefix): Remove.
1091 (ix86_asm_file_end): New.
1092 (load_pic_register): Generate pic_label_name into a
1093 staticly allocated buffer.
1094 * config/i386/i386-protos.h: Update.
1095 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
1096 (ASM_FILE_END): New.
1097 * config/i386/i386afe.h: New file.
1098 * config.gcc (i?86-*-elf) [tm_file]: Use it.
1099 (i?86-*-{freebsd,linux*,moss*}): Likewise.
1100 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
1101 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
1102 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
1103 * config/i386/sco5.h (ASM_FILE_END): Likewise.
1104 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
1106 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
1108 * Makefile.in (install-man): Remove explicit dependency on
1111 * configure.in, configure: Revert previous patch requiring perl
1114 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
1116 * toplev.c (flag_guess_branch_prob): New.
1117 (f_options): Add guess-branch-probability option.
1118 (rest_of_decl_compilation): Only estimate branch probability if
1120 (main): set flag_guess_branch_prob.
1122 * flags.h (flag_guess_branch_prob): New.
1124 2001-01-15 DJ Delorie <dj@redhat.com>
1126 * gcc.texi (Makefile): Add documentation for Makefile targets.
1128 2001-01-15 Philip Blundell <philb@gnu.org>
1130 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
1132 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
1133 (is_pic): Delete declaration.
1134 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
1135 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
1136 * config/arm/arm.md (builtin_setjmp_receiver): New.
1138 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
1140 * arm.c (use_return_insn): Don't try to determine the function type
1141 until after reload has completed.
1142 (arm_output_epilogue): Don't adjust the sp value recovered from the
1144 (emit_multi_reg_push): Don't record dwarf information for the pc.
1145 * arm.md (eh_epilogue): The function type may have changed, so it
1146 needs to be recalculated.
1147 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
1148 unwind tables on arm/netbsd.
1150 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
1152 * arm.md (cbranchsi4): Correct calculation of branch ranges.
1153 (negated_cbranchsi4): Likewise.
1155 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
1157 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
1158 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
1159 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
1160 pass -mapcs-* options to assembler.
1161 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
1162 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
1163 (ASM_SPEC): Call subtarget_extra_asm_spec.
1165 2001-01-15 Andreas Jaeger <aj@suse.de>
1167 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
1169 (ix86_expand_builtin): Likewise.
1171 * gencodes.c (output_predicate_decls): Make i size_t to avoid
1172 warning about comparison between signed and unsigned.
1174 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
1176 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
1178 2001-01-14 Ralf Baechle <ralf@gnu.org>
1180 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
1181 SUBTARGET_CPP_SPEC apropriatly.
1183 2001-01-12 Mark Mitchell <mark@codesourcery.com>
1185 * varasm.c (make_decl_rtl): Fix typo in last change.
1187 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
1189 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
1190 linker supports the init_priority C++ attribute.
1191 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
1192 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
1193 linker does not support init_priority C++ attribute.
1195 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
1197 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
1199 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
1201 * c-parse.in (finish_parse): Add comment about cpp_destroy.
1202 * cp/lex.c (finish_parse): Similarly.
1203 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
1204 Return the number of errors encountered.
1205 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
1206 * cppmain.c (main): Don't call cpp_destroy.
1208 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
1210 * configure.in: Require at least perl 5.6.0 to regenerate
1212 * configure: Regenerate.
1214 2001-01-14 Richard Henderson <rth@redhat.com>
1216 * genrecog.c (DT_veclen_ge): New.
1217 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
1218 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
1219 (nodes_identical_1): Handle DT_veclen_ge.
1220 (write_cond, debug_decision_2): Likewise.
1222 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
1224 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
1226 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
1228 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
1230 * cppmain.c (do_preprocessing): New function; most of the old
1232 (main): Call it to do most of the work.
1233 (cb): Move from global scope to set_callbacks ().
1234 (setup_callbacks): Get the callback pointer.
1235 (general_init, printer_init): Clean up code and comments.
1237 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
1239 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
1242 2001-01-14 Kazu Hirata <kazu@hxi.com>
1244 * config/h8300/h8300.c (get_shift_alg): Update comments.
1246 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1248 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
1249 (alloc_page, ggc_alloc): Add casts to remove warnings.
1251 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
1253 * combine.c (simplify_comparison): Don't change `code' when
1254 can't reverse comparison.
1256 2001-01-14 Richard Henderson <rth@redhat.com>
1258 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
1259 update all call sites. Return true for all non-label constants.
1261 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
1263 * i386.c (ix86_expand_compare): Add bypass_test and second_test
1265 (ix86_expand_branch): Update.
1266 (ix86_expand_setcc): Update to handle multiple test conditions.
1267 (expand_int_movcc): Likewise.
1268 (expand_fp_movcc): Likewise.
1269 * i386-protos.h (ix86_expand_compare): New.
1270 * i386.md (andqi_?_slp, orqi_?_slp): New.
1271 (conditional trap expander): Update call to ix86_expand_compare.
1273 2001-01-14 Richard Henderson <rth@redhat.com>
1275 * config/vax/vax.md: Use nonimmediate_operand instead of
1276 general_operand in destinations.
1278 * config/vax/vax.md (indirect_jump): Use register_operand.
1280 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
1281 * config/vax/vax.md (call_pop): Turn into an expander.
1282 (call_value_pop): Likewise.
1283 (call, call_value): New.
1285 2001-01-14 Andreas Jaeger <aj@suse.de>
1287 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
1289 (ix86_fp_compare_mode): Add unused attribute.
1290 (ix86_expand_fp_movcc): Remove unused variable.
1291 (ix86_expand_builtin): Make fcode unsigned.
1293 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
1294 (expand_expr): Add cast to avoid signed warning.
1295 (store_field): Likewise.
1296 (store_constructor_field): Likewise.
1297 (store_constructor): Likewise.
1298 (store_expr): Likewise.
1299 (clear_storage): Likewise.
1300 (emit_group_store): Likewise.
1301 (emit_group_load): Likewise.
1303 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
1305 * c-common.c: Move format checking code to ...
1306 * c-format.c: ... here. New file. Reorder some functions and
1308 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
1310 * c-common.h (decl_handle_format_attribute,
1311 decl_handle_format_arg_attribute): Declare.
1312 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
1313 (c-common.o): Adjust dependencies.
1314 (c-format.o): New list of dependencies.
1316 2001-01-13 Jakub Jelinek <jakub@redhat.com>
1318 * unroll.c (loop_iterations): If we cannot prove iteration variable
1319 is set once in each iteration, punt.
1321 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
1323 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
1324 (*strlenhi): Remove clobber (which was buggy) of output address.
1326 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
1328 * Makefile.in (generated-manpages): Add gcc.1
1329 ($(srcdir)/gcc.1): New target.
1330 (maintainer-clean): Delete $(srcdir)/gcc.1.
1331 * gcc.texi: Add macros @gccoptlist and @gol.
1332 * invoke.texi: Include option summary in manpage. Mark up option
1333 summary with @gccoptlist and @gol. Use @r in one place where
1335 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
1336 * gcc.1: Generate from invoke.texi.
1338 2001-01-13 Richard Henderson <rth@redhat.com>
1340 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
1341 (struct page_entry): Add group member.
1342 (struct page_group): New.
1343 (struct globals): Add page_groups member.
1344 (alloc_anon): Only define for using mmap; remove valloc call.
1345 (page_group_index): New.
1346 (set_page_group_in_use): New.
1347 (clear_page_group_in_use): New.
1348 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
1349 (free_page, release_pages): Likewise.
1350 * configure.in (with-gc): Default to ggc-page always.
1352 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
1354 * reload1.c (replace_pseudos_in_call_usage): Use
1355 reg_equiv_constant and reg_equiv_address, and don't try
1356 regno_reg_rtx first.
1358 2001-01-13 Richard Henderson <rth@redhat.com>
1360 * ggc-page.c (alloc_page): Round up allocation size to one page.
1361 Set e->order on extra pages.
1363 2001-01-13 Richard Henderson <rth@redhat.com>
1365 * genrecog.c (nodes_identical): Expand commentary.
1366 (write_switch): Watch out for identical nodes.
1368 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
1370 * cppfiles.c (_cpp_fake_include): New function.
1371 * cpphash.h (_cpp_fake_include): New.
1372 * cpplib.c (do_line): Call _cpp_fake_include when entering
1373 header files in preprocessed input.
1374 * cppmain.c (cb_pragma_implementation): Remove handling.
1375 (setup_callbacks): Don't register pragmas.
1377 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
1379 * extend.texi: Udate for CPP.
1381 2001-01-13 Andreas Jaeger <aj@suse.de>
1383 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
1385 * regmove.c: Add prototype for replace_in_call_usage.
1387 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
1389 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
1390 struct cpp_chunk, struct htab, struct toklist,
1391 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
1392 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
1393 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
1394 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
1395 (struct macro_args): Delete.
1396 * cpphash.h: See above.
1398 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
1400 * cppmain.c (struct printer): Remove no_line_dirs.
1402 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
1403 : Use options rather than CPP_OPTION.
1404 (setup_callbacks): Use cb rather than pfile->cb.
1405 (main): No need to check for a buffer. Use cpp_errors.
1406 (printer_init): Don't set no_line_dirs.
1407 (maybe_print_line): Use options not no_line_dirs.
1408 (cb_file_change): Don't call print_line if -P.
1410 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
1412 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
1414 * c-parse.in (finish_parse): Use cpp_errors.
1415 (__yylex): Use return value of cpp_pop_buffer.
1416 * cp/lex.c (finish_parse): Use cpp_errors.
1417 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
1419 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
1421 * README.AVR: URLs corrected.
1423 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1425 * c-decl.c (start_function): Don't warn if old prototype is builtin
1426 that's not in C's namespace.
1427 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
1428 (_bb): Add prototype for ctime.
1429 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
1431 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
1433 * i386.c (ix86_fp_comparison_arithmetics_cost,
1434 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
1435 ix86_fp_comparison_cost): New functions.
1436 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
1437 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
1438 two-branch sequences; make static.
1439 (ix86_use_fcomi_compare): Do decision according to the costs.
1440 (split_fp_branch): New.
1441 * i386.md (compare-and-branch patterns): Use split_fp_branch.
1442 * i386-protos.h (ix86_expand_fp_compare): Remove
1443 (ix86_split_fp_branch): Declare.
1445 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
1446 and ix86_comparison_operator.
1448 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
1451 * i386.c (put_condition_code): Output properly the unordered/ordered
1452 compares in fp case.
1453 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
1455 * tm.texi (REVERSE_CONDITION): Document.
1456 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
1457 in -ffast-math mode.
1458 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
1460 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
1462 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
1464 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
1467 * config/sh/sh.c (mova_p): Fix test for mova_const.
1469 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
1471 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
1472 cpp_get_options rather than dereferencing pfile and using
1474 * scan-decls.c (scan_decls): Use return value of
1475 cpp_pop_buffer rather than CPP_BUFFER.
1477 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
1479 * cppinit.c (cpp_handle_option): help_only is now part of the
1480 cpp_options structure.
1481 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
1482 cpp_set_callbacks): New functions.
1483 * cpplib.h (cpp_callbacks): Break out as a named structure.
1484 (cpp_options): Move help_only here from cpp_reader.
1485 (CPP_FATAL_ERRORS): Update to use cpp_errors.
1486 (cpp_errors, cpp_get_options, cpp_get_callbacks,
1487 cpp_set_callbacks): New prototypes.
1488 * cppmain.c (main): Update for help_only.
1490 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
1492 * Makefile.in (info, maintainer-clean, install-info, uninstall):
1493 Also build and remove and install and uninstall c-tree.info and
1495 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
1496 ($(srcdir)/cppinternals.info): New target.
1497 * c-tree.texi: Change file name used when makeinfo used without -o
1498 from ir.info to c-tree.info. Add info directory entry.
1499 * cppinternals.texi: Add info directory entry.
1500 * .cvsignore: Update.
1502 2001-01-12 Jakub Jelinek <jakub@redhat.com>
1504 * c-typeck.c (store_init_value): Don't require constant initializer
1505 elements with -pedantic -std=c99.
1506 (digest_init): Change error about non-constant initializer elements
1508 (constructor_range_end): Remove.
1509 (constructor_incremental, designator_depth,
1510 designator_errorneous): New variables.
1511 (struct constructor_stack): Remove range_end, add incremental.
1512 (struct constructor_range_stack, constructor_range_stack): New.
1513 (struct initializer_stack): Add constructor_range_stack.
1514 (finish_init): Set it.
1515 (start_init): Likewise. require_constant_elements for non-static
1516 trees only if not flag_isoc99.
1517 (really_start_incremental_init): Remove constructor_range_end, add
1518 constructor_incremental.
1519 (pop_init_level): Likewise.
1520 (push_init_level): Likewise. If implicit and the subobject had some
1521 value set already, preinitialize the level with it.
1522 Warn about missing braces only if not pushing due to designators.
1523 (set_designator, push_range_stack): New functions.
1524 (set_init_label): Use them.
1525 (set_init_index): Likewise. Remove constructor_range_end.
1526 Error if designator index is outside of array bounds.
1527 (add_pending_init): Compare values of purpose index trees, not the
1528 trees themselves. Allow overwriting of already initialized element.
1529 Issue a warning if it had side-effects.
1530 (set_nonincremental_init, set_nonincremental_init_from_string): New
1532 (pending_init_member): Rename to...
1533 (find_init_member): ...this function. Call set_nonincremental_init
1534 if necessary. Compare values of purpose index trees, not the trees
1535 themselves. Return the actual value, not just non-zero if something
1537 (output_init_element): Remove checks for duplicates.
1538 If field has zero size, only check the initializer for correctness.
1539 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
1540 if constructor_incremental is zero. Change error about initializers
1541 not computable at load time into pedwarn.
1542 (output_pending_init_elements): Compare bit positions, not
1543 FIELD_DECLs to take into account zero-sized fields.
1544 (process_init_element): Use constructor_range_stack to fill all
1545 ranges in the designator lists from current level up.
1546 * extend.texi: Update documentation for labeled elements.
1548 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
1550 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
1551 to function usage for arguments passed by reference. Optimize
1552 callee-copied arguments.
1553 * regmove.c (replace_in_call_usage): New function.
1554 (fixup_match_1): Call it.
1555 * cse.c (cse_insn): Canonicalize registers in function usage.
1556 * reload1.c (replace_pseudos_in_call_usage): New function.
1559 * Makefile.in: Reverted yesterday's wrong patch. Installed the
1562 2001-01-12 Jakub Jelinek <jakub@redhat.com>
1564 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
1567 2001-01-12 DJ Delorie <dj@redhat.com>
1569 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
1570 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
1573 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
1575 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
1576 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
1577 -std options alongside references to -ansi. Update some
1578 documentation for C99.
1579 * cpp.1: Regenerate.
1581 2001-01-12 Andreas Jaeger <aj@suse.de>
1583 * haifa-sched.c (restore_line_notes): Remove argument block B
1585 * sched-ebb.c (schedule_ebb): Change caller.
1586 * sched-rgn.c (schedule_region): Likewise.
1587 * sched-int.h (restore_line_notes): Adjust prototype.
1589 * loop.h: Remove wrong declaration of doloop_condition_get.
1591 2001-01-12 Phil Edwards <pme@sources.redhat.com>
1593 * extend.texi: Move C++-extension-related node from the C section
1594 into the C++ section.
1596 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
1598 * extend.texi: Refer to an array of pointers to functions instead
1599 of one of functions.
1601 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
1602 Jan Hubicka <jh@suse.cz>
1604 * combine.c (reversed_comparison): Fix typo in last patch.
1606 (combine_reversed_comparison_code): Make static to follow
1607 prototype declaration.
1609 2001-01-12 Phil Edwards <pme@sources.redhat.com>
1611 * install.texi: Remove misplaced duplicate entry.
1613 2001-01-11 Ulrich Drepper <drepper@redhat.com>
1615 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
1617 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
1619 * final.c: (leaf_function_p): Fix typo.
1621 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
1623 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
1624 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
1626 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
1627 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
1628 mmap_anon, and valloc is available.
1629 * ggc-page.c: Restructure ifdef logic to match new autoconf
1630 spec. Don't throw away the test page in init_ggc.
1632 * configure, config.in: Regenerate.
1634 2001-01-12 Michael Hayes <mhayes@redhat.com>
1636 * loop.h (total_biv_increment): Constify iv_class pointer.
1637 (struct induction): Replace `mem_mode' with `mem' rtx.
1638 * unroll.c (total_biv_increment): Constify iv_class pointer.
1639 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
1640 (find_mem_givs, combine_givs_p): Likewise.
1641 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
1643 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
1645 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
1647 (__gthread_getspecific): Ditto.
1649 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
1651 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
1652 put_condition_code): Convert fp comparison codes to integer
1654 (ix86_expand_fp_compare): Postnote the fp comparison code converison
1657 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
1658 * i386-protos.h (no_comparison_operator): Kill.
1660 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
1662 * combine.c (REVERSIBLE_CC_MODE): Remove.
1663 (reversible_comparison_p): Remove.
1664 (combine_reversed_comparison_code): New.
1665 (reversed_comparison): New.
1666 (combine_simplify_rtx): Use
1667 combine_reversed_comparison_code/reversed_comparison instead
1668 of reversible_comparison_p.
1669 (simplify_if_then_else): Likewise.
1670 (simplify_set): Likewise.
1671 (simplify_logical): Likewise.
1672 (if_then_else_cond): Likewise.
1673 (known_cond): Likewise.
1674 (simplify_comparison): Likewise.
1676 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
1678 * builtins.c (std_expand_builtin_va_start): Handle varargs when
1679 sizeof (int) is larger than sizeof(__word__).
1681 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
1683 * cppinit.c (do_includes): Fix typo.
1685 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1687 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
1688 in S_REGS does not occur because not all sources are possible
1689 when a S_REGS is a destination (sometimes needs a clobber).
1690 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
1691 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
1692 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
1693 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
1694 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
1695 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
1696 (lshrdi_const1, lshrsi3_const16): Likewise.
1697 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
1698 (*movhi_68hc12, *movqi_68hc12): Likewise.
1699 (movstrictqi): Make sure reloading in D_REGS as a destination
1702 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
1704 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
1706 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
1708 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
1709 -D, -U and -A, and don't initialize the builtins.
1710 (do_includes): Error if -include or -imacros with -fpreprocessed.
1711 * cppmain.c (cb_define, cb_undef): Unconditionally process
1713 * tradcpp.c (main): Fix typo.
1715 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
1717 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
1718 (read_name_map): Use IS_ABSOLUTE_PATH.
1719 * tradcpp.c (get_filename): Likewise.
1721 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1723 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
1724 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
1725 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
1726 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
1727 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
1728 (cmphi_z_used): Don't use '@' for the output.
1729 (tstqi_z_used): Likewise.
1730 (cmpqi_z_used): Likewise.
1731 (one_cmplsi2): Likewise.
1733 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
1735 * config/sh/sh.c (barrier_align): Recognize branch around far
1736 branch and redundant insn.
1738 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
1740 * invoke.texi: Restore documentation of the drivers' switches -MD
1743 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
1745 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
1747 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
1748 check-objc//%): Support parallel testing of multilibs.
1749 (TESTSUITEDIR): Set to testsuite by default, but override for
1751 (check-gcc, check-g++, check-g77, check-objc): Enter
1754 2001-01-11 Bernd Schmidt <bernds@redhat.com>
1756 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
1757 * sched-deps.c (deps_may_trap_p): Likewise.
1758 * basic-block.h: Remove a comment.
1759 * flow.c (PROP_POSTRELOAD): Remove.
1760 (update_life_info): Don't add it to prop_flags.
1761 (mark_set_1): Lose the code that was enabled by it.
1763 2001-01-11 Michael Hayes <mhayes@redhat.com>
1765 * flow.c (flow_call_edges_add): New.
1766 * basic_block.h (flow_call_edges_add): New.
1768 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
1770 * reload1.c (move2add_note_store): Update reg_set_luid even if
1771 base reg remains the same.
1773 2001-01-10 Nick Clifton <nickc@redhat.com>
1775 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
1776 machine_function structure to zero.
1777 Add prototypes for machine_status functions.
1779 2001-01-10 Mark Mitchell <mark@codesourcery.com>
1781 * c-common.h (CTI_VOID_LIST): Remove.
1782 (void_list_node): Likewise.
1783 * tree.h (TI_VOID_LIST_NODE): New enumeral.
1784 (void_list_node): New macro.
1785 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
1786 * config/i386/i386.c (ix86_init_builtins): Likewise.
1787 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
1789 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
1791 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
1792 * cppinit.c (cpp_start_read): Update comment, remove unneeded
1794 * tradcpp.c: Include mkdeps.h.
1795 (deps, print_deps_phony_targets, deps_append, output_deps,
1796 init_dependency_output, output_deps): New.
1797 (deps_buffer, deps_allocated_size, deps_size, deps_column,
1798 deps_output): Delete.
1799 (print_deps_missing_files): Rename deps_missing_files.
1800 (inhibit_output): Make global.
1801 (main): Delete inhibit_output, deps_stream, deps_target.
1802 Use mkdeps functionality in the same way as cpplib. Remove
1803 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
1804 -M and -MM. Remove old handling of deps via deps_out, and
1805 old reading of environment variables.
1806 (get_filename): Update to use deps_add_dep.
1808 2001-01-10 Mark Mitchell <mark@codesourcery.com>
1810 * output.h (make_function_rtl): Remove prototype.
1811 (make_decl_rtl): Likewise.
1812 * varasm.c (make_function_rtl): Remove.
1813 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
1814 than from a third parameter.
1815 * tree.h (make_decl_rtl): Remove last parameter.
1816 * c-decl.c (builtin_function): Remove last argument in call to
1817 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
1818 (start_function): Likewise.
1819 * except.c (call_get_eh_context): Likewise.
1820 * expr.c (emit_block_move): Likewise.
1821 (clear_storage): Likewise.
1822 * profile.c (output_func_start_profiler): Likewise.
1823 * toplev.c (rest_of_decl_compilation): Likewise.
1824 * objc/objc-act.c (create_builtin_decl): Likewise.
1825 (synth_module_prologue): Likewise.
1826 (generate_static_reference): Likewise.
1827 (build_selector_reference_decl): Likewise.
1828 (build_class_reference_decl): Likewise.
1829 (build_objc_string_decl): Likewise.
1830 (build_protocol_reference): Likewise.
1832 2001-01-10 Richard Henderson <rth@redhat.com>
1834 * hwint.h: Revert yesterday's change.
1836 2001-01-10 Nick Clifton <nickc@redhat.com>
1838 * function.h (save_machine_status): Delete.
1839 (restore_machine_status): Delete.
1840 Amend comment describing {init|mark|free}_machine_status.
1842 * function.c (save_machine_status): Delete.
1843 (restore_machine_status): Delete.
1844 Amend comment describing {init|mark|free}_machine_status.
1845 (push_function_context_to): Remove invocation of
1846 save_machine_status.
1847 (pop_function_context_from): Remove invocation of
1848 restore_machine_status.
1850 * emit-rtl.c (init_emit_once): Amend comment describing
1851 {init|mark|free}_machine_status.
1853 * tm.texi (Per-Function Data): New node. Describe the
1854 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
1857 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
1859 * cppinit.c (OPT_g): Remove.
1860 (cpp_handle_option): Update for removed -g3.
1861 (print_help): Update.
1862 * cpplib.h (struct cpp_options): Remove debug_output.
1863 * cppmain.c (setup_callbacks, cb_define): Update.
1864 * gcc.c (cpp_options): Translate -g3 to -dD.
1866 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
1868 * config/i960/i960.md: Change modifier to + on the zero_extract
1869 pattern after the (rotate -2 reg) canonicalization pattern.
1871 2001-01-10 Richard Henderson <rth@redhat.com>
1873 * config/alpha/alpha.c (alpha_free_machine_status): New.
1874 (override_options): Install it.
1875 (alpha_mark_machine_status): Verify machine non-null.
1876 * config/i386/i386.c (ix86_free_machine_status): New.
1877 (override_options): Install it.
1878 (ix86_init_machine_status): Use xcalloc.
1879 (ix86_mark_machine_status): Verify machine non-null.
1880 * config/ia64/ia64.c (ia64_free_machine_status): New.
1881 (ia64_override_options): Install it.
1882 (ia64_mark_machine_status): Verify machine non-null.
1884 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
1886 * function.c (instantiate_virtual_regs): Instantiate virtual
1887 registers found in CALL_INSN_FUNCTION_USAGE.
1889 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
1891 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
1892 equivalent to -ansi in disabling -Di386.
1894 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
1896 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
1898 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
1900 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
1902 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
1904 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
1906 * invoke.texi: Document that -fcond-mismatch isn't supported for
1909 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
1911 * gcc.texi: Define macro gcctabopt.
1912 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
1913 @command, @env and @option in some places where appropriate. Use
1914 @gcctabopt where appropriate. Put URLs and email addresses inside
1917 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
1919 * gcc.c (cpp_options): Set MD file name from output
1920 filename, if specified.
1921 (suffix_subst): New static variable.
1922 (do_spec): Clear it.
1923 (do_spec_1, case '.'): Handle new `%.suffix' spec.
1925 (give_switch): Handle suffix_subst.
1927 2001-01-10 Phil Edwards <pme@sources.redhat.com>
1929 * invoke.texi: Fix another typo.
1931 2001-01-10 Phil Edwards <pme@sources.redhat.com>
1933 * invoke.texi: Fix typo.
1935 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
1937 * c-lang.c (lang_hooks): Update.
1938 (lang_decode_option): Remove.
1939 (lang_init_options): Rename c_init_options.
1940 * toplev.c (main): Use lang_hooks for lang_init_options
1941 and lang_decode_option.
1942 * toplev.h (lang_hooks): Add 2 new hooks.
1943 * tree.h: Remove lang_init_options and lang_decode_option.
1944 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
1945 * cp/decl2.c: Similarly.
1946 * cp/lex.c (lang_init_options): Rename cxx_init_options.
1947 (lang_hooks): Update.
1948 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
1950 (lang_init_options): Rename ffe_init_options.
1951 (lang_hooks): Update.
1952 (lang_decode_option): Remove.
1953 * java/lang.c (lang_init_options): Rename java_init_options.
1954 (lang_decode_option): Rename java_decode_option.
1955 (lang_hooks): Update.
1956 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
1957 (lang_decode_option): Rename objc_decode_option.
1958 (lang_hooks): Update.
1960 2001-01-09 Nick Clifton <nickc@redhat.com>
1962 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
1963 (d30v_return_addr_rtx): Delete.
1964 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
1965 cfun->machine structure.
1966 (struct machine_function): Move to d30v.h
1967 (d30v_save_machine_status): Delete.
1968 (d30v_restore_machine_status): Delete.
1969 (d30v_init_machine_status): New Function.
1970 (d30v_mark_machine_status): New Function.
1971 (d30v_free_machine_status): New Function.
1972 (d30v_init_expanders): Use new functions.
1973 (d30v_return_addr): Use ra_rtx field in cfun->machine.
1974 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
1975 d30v_return_addr_rtx.
1977 * config/d30v/d30v.h (struct_machine): Move here.
1978 Add eh_epilogue_sp_ofs field.
1980 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
1981 field in cfun->machine structure.
1983 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
1985 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
1986 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
1987 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
1989 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
1991 * objc/lang-options.h: Remove bogus reference to
1994 2001-01-09 Kazu Hirata <kazu@hxi.com>
1996 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
1999 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
2001 * reload.c (find_reloads_address): Check for eliminable registers
2002 when substituting a constant expression for a pseudo.
2004 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
2006 * c-common.c (enum format_type): Add format_type_error.
2007 (decode_format_type): New function.
2008 (decl_attributes): Use it.
2009 (format_kind_info): Adjust comment.
2011 2001-01-09 David O'Brien <obrien@BSDi.com>
2013 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
2014 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
2016 * config/i386/gnu.h: Don't include required platform specific .h files,
2017 tm.h will do it instead.
2018 * config/i386/i386elf.h: Likewise.
2019 * config/i386/linux.h: Likewise.
2020 * config/i386/moss.h: Likewise.
2021 * config/mips/gnu.h: Likewise.
2023 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2025 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
2026 (rs6000-ibm-aix3.[01]*): Likewise.
2027 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
2028 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
2029 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
2030 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
2031 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
2032 (powerpc-*-eabiaix*): Likewise.
2033 (powerpc-*-eabisim*): Likewise.
2034 (powerpc-*-elf*): Likewise.
2035 (powerpc-*-eabi*): Likewise.
2036 (powerpc-*-rtems*): Likewise.
2037 (powerpc-*-linux*libc1): Likewise.
2038 (powerpc-*-linux*): Likewise.
2039 (powerpc-wrs-vxworks*): Likewise.
2040 (powerpcle-wrs-vxworks*): Likewise.
2041 (powerpcle-*-sysv*): Likewise.
2042 (powerpcle-*-elf*): Likewise.
2043 (powerpcle-*-eabisim*): Likewise.
2044 (powerpcle-*-eabi*): Likewise.
2045 (powerpcle-*-solaris2*): Likewise.
2046 * config/rs6000/aix31.h: Delete includes.
2047 * config/rs6000/aix3newas.h: Likewise.
2048 * config/rs6000/aix41.h: Likewise.
2049 * config/rs6000/aix43.h: Likewise.
2050 * config/rs6000/beos.h: Likewise.
2051 * config/rs6000/rtems.h: Likewise.
2052 * config/rs6000/sysv4.h: Likewise.
2054 2001-01-09 Kazu Hirata <kazu@hxi.com>
2056 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
2057 Change an argument mode of machine_mode to shift_mode of
2058 shift_mode. Remove an extra error check.
2059 (emit_a_shift): Adopt to the new calling prototype of
2061 (function_prologue): Fix code for a monitor
2062 function. Support H8/S.
2063 (function_epilogue): Do not output pop for a monitor function.
2065 2001-01-09 Nick Clifton <nickc@redhat.com>
2067 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
2068 (setup_incoming_varargs): Use sysv_varargs_p field of the
2069 cfun->machine structure.
2070 (struct machine_function): Move to rs6000.h
2071 (rs6000_save_machine_status): Delete.
2072 (rs6000_restore_machine_status): Delete.
2073 (rs6000_init_machine_status): New Function.
2074 (rs6000_free_machine_status): New Function.
2075 (rs6000_init_expanders): Use new functions.
2077 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
2079 (struct machine_function): Move here.
2081 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
2082 sysv_varargs_p field of the cfun->machine structure.
2084 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
2086 (rs6000_restore_machine_status): Remove prototype.
2088 2001-01-09 Richard Henderson <rth@redhat.com>
2090 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
2091 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
2092 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
2093 (sched_analyze_2, sched_analyze_insn): Likewise.
2094 (sched_analyze, init_deps): Likewise.
2095 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
2096 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
2097 (compute_block_backward_dependences): Update propagate_deps call.
2099 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
2101 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
2103 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
2105 * cppinit.c (OPT_MD, OPT_MMD): Restore.
2106 (cpp_handle_option): Handle them.
2107 (cpp_post_options): Ensure one of -M or -MM is specified with
2108 any other -M? option.
2109 (init_dependency_output): Suppress output with -MG.
2111 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
2114 * invoke.texi: Update.
2116 2001-01-09 Bernd Schmidt <bernds@redhat.com>
2118 * sh.md (reload_outsf): Generate recognizable patterns for
2121 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
2123 * c-lang.c (lang_hooks): Update.
2124 (lang_init): Rename c_init.
2125 (lang_finish): Remove.
2126 * toplev.c (compile_file): Use lang_hooks for lang_init ()
2128 * toplev.h (lang_hooks): Add init () and finish ().
2129 * tree.h (lang_init, lang_finish): Remove.
2130 * cp/tree.h (lang_init, lang_finish): Remove.
2131 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
2132 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
2134 (lang_init, lang_finish): Remove.
2135 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
2136 (lang_hooks): Update.
2137 * java/lang.c (lang_init): Rename java_init.
2138 (lang_finish): Remove.
2139 (lang_hooks): Update.
2140 * objc/objc-act.c (lang_init): Rename objc_init.
2141 (lang_finish): Remove.
2142 (lang_hoooks): Update.
2144 20001-01-09 Graham Stott <grahams@redhat.com>
2146 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
2147 after `ptr` is initialised.
2149 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
2151 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
2152 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
2153 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
2154 stack adjusts, instead of r3.
2156 2001-01-09 Michael Hayes <mhayes@redhat.com>
2158 * flow.c (flow_loop_scan): Break out of ...
2159 (flow_loops_find) ... here.
2160 * basic-block.h (flow_loop_scan): New.
2161 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
2162 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
2164 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
2166 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
2168 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
2169 realloc()ing macro_buffer.
2171 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
2172 if it's wider than long and the target's long is wider than the
2175 2001-01-09 Mark Mitchell <mark@codesourcery.com>
2177 Remove support for using UWIN as a host machine.
2178 * configure.in: Issue an error message.
2179 * configure: Regenerated.
2180 * config.gcc: Remove xm_* UWIN configury.
2181 * config/i386/xm-uwin.h: Remove.
2183 2001-01-08 Nick Clifton <nickc@redhat.com>
2185 * config/v850/v850.c (ra_rtx): Delete.
2186 (v850_save_machine_status): Delete.
2187 (v850_restore_machine_status): Delete.
2188 (v850_init_machine_status): New function.
2189 (v850_mark_machine_status): New function.
2190 (v850_free_machine_status): New function.
2191 (v850_return_addr): Use ra_rtx field in machine structure.
2192 (v850_init_expanders): Use new functions.
2194 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
2195 * config/v850/v850.c: Change arguments to v850_output+* functions
2196 to take a const char *, to avoid compile time warning.
2197 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
2198 (USER_LABEL_PREFIX): Redefine.
2200 2000-01-08 Jim Wilson <wilson@redhat.com>
2202 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
2203 1 to unsigned HOST_WIDE_INT before left shift.
2205 2001-01-08 Nick Clifton <nickc@redhat.com>
2207 * config/arm/arm.c (arm_mark_machine_status): Check to see if
2208 the machine structure has been allocated.
2209 (arm_free_machine_status): New function: Free the machine
2210 specific function structure.
2212 2001-01-08 Richard Henderson <rth@redhat.com>
2214 * jump.c (simplejump_p): Revert last change.
2216 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
2218 * cppinit.c (init): Rename init_library.
2219 (cpp_create_reader): Update.
2220 * gcc.c (cpp_options): If -o given, use it as the target of
2223 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
2225 * arm.c (arm_arch5e): New variable.
2226 (all_cores): XScale is a 5TE device.
2227 (arm_override_options): Set arm_arch5e.
2228 (arm_init_builtins): __builtin_prefetch is in arch5e.
2229 * arm.h (arm_arch5e): Declare it.
2231 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
2233 * arm.md (define_constants): Add defines for UNSPEC and
2234 UNSPEC_VOLATILE insns. Update all users.
2235 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
2236 * arm.c (multi_register_push, note_invalid_constants)
2237 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
2238 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
2239 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
2241 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
2243 * jump.c (jump_optimize_1): Use reversed_comparison_code
2244 instead of can_reverse_comparison_p.
2245 (jump_back_p): Likewise.
2246 (invert_exp_1): Likewise.
2247 (thread_jumps): Likewise.
2248 * simplify-rtx.c (simplify_unary_operation): Likewise.
2249 (simplify_ternary_operation): Likewise.
2250 * cse.c (find_comparison_args): Convert to use
2251 can_reverse_comparison_p.
2252 (record_jump_equiv): Likewise.
2254 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
2256 * arm.h (HARD_REGNO_RENAME_OK): Delete.
2257 (EPILOGUE_USES): Define.
2258 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
2259 automatically stack the LR if it isn't live.
2261 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
2263 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
2266 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
2268 * ggc-page.c (max_alignment): New structure.
2269 (MAX_ALIGNMENT): New macro.
2270 (init_ggc): Use it to round up the sizes in the
2271 extra_order_size_table.
2273 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2275 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
2278 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2280 * builtins.def (BUILT_IN_FPRINTF): New entry.
2282 * c-common.c (c_expand_builtin_fprintf): New function.
2283 (init_function_format_info): Handle __builtin_fprintf.
2284 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
2285 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
2287 * c-decl.c (duplicate_decls): Adjust comment.
2289 * extend.texi (fprintf): Document new builtin.
2291 2001-01-07 Richard Henderson <rth@redhat.com>
2293 * jump.c (simplejump_p): Recognize any single_set jump
2296 2001-01-07 Richard Henderson <rth@redhat.com>
2298 * configure.in (slibdir): Accept an --with-slibdir option.
2299 Use "test" not "[" in configure. Default to $(libdir).
2301 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
2303 * config/t-aix43 (SHLIB_INSTALL): Likewise.
2304 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
2305 (SHLIB_LINK): Create links for the soname.
2306 * config/mips/t-iris6: Likewise.
2307 * config/sparc/t-slibgcc: Likewise.
2308 * config/sparc/t-slibgcc-sld: Likewise.
2310 2001-01-07 Jakub Jelinek <jakub@redhat.com>
2312 * config/i386/i386.c (constant_call_address_operand): Accept
2313 (const (plus (symbol_ref) (const_int))).
2314 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
2315 constant_call_address_operand.
2317 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2319 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
2320 and LONG_LONG_TYPE_SIZE > 32.
2322 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2324 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
2325 the previous change.
2327 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
2329 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
2331 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
2332 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
2333 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
2336 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
2338 * fix-header.c (read_scan_file): s/pfile/scan_in/.
2340 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
2342 * c-lang.c (c_post_options): Call cpp_post_options.
2343 * objc/objc-act.c (objc_post_options): Similarly.
2344 * cppmain.c (main): Similarly.
2345 * fix-header.c (read_scan_file): Similarly.
2346 * cppinit.c (cpp_start_read): Move option consistency checks
2347 to cpp_post_options. Don't call init_dependency_output.
2348 If needed, add default target and main file dependency.
2349 (OPT_MD, OPT_MMD): Remove.
2351 (cpp_handle_option): Update for OPT_* changes.
2352 (cpp_post_options): New.
2353 (init_dependency_output): Command line -MF overrides environment
2354 variables. Don't set default target etc. Suppress output
2355 if dependencies are going to stdout.
2356 (print_help): Update.
2357 * cpplib.h (cpp_post_options): New.
2358 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
2360 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
2362 * jump.c (comparison_dominates_p): Support unordered compares.
2364 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
2366 * simplify-rtx.c (simplify_relational_operation): Always simplify
2367 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
2370 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
2372 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
2373 (nonzero_bits): Likewise.
2374 (simplify_comparison): Likewise.
2375 (num_sign_bit_copies): Likewise; return more sane value depending
2376 on STORE_FLAG_VALUE.
2377 (known_cond): Do not assume EQ to be always true for equivalent
2380 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
2382 * cse.c (fold_rtx): Handle unordered comparisons.
2384 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
2386 * rtlanal.c (set_of_1): New static function.
2387 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
2388 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
2389 reg_set_last_last_regno): Remove.
2390 (set_of): New global function.
2391 (set_of_data): New structure.
2392 (reg_set_p, reg_set_last): Revamp for set_of.
2393 * rtl.h (set_of): New.
2395 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
2397 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
2398 * extend.texi: Document _Exit builtin.
2400 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
2402 * (initialize, initialize_builtins,
2403 initialize_dependency_output, initialize_standard_includes):
2404 Rename s/initialize/init. Update.
2405 (init_dependency_output): Move to after
2406 cpp_handle_options, the correct location temporally at least.
2407 (opt_comp): Move next to init (), its caller. Fix prototype.
2408 (init): Make "initialized" local scope.
2409 (cpp_create_reader): Always call init ().
2410 (cpp_start_read): Update.
2411 (output_deps): New function, broken out of cpp_finish.
2412 (cpp_finish): Break out output_deps.
2414 2001-01-07 Richard Henderson <rth@redhat.com>
2416 * collect2.c (COFF specific stuff): Revert 12-06 patch
2417 to prototype system functions.
2419 2001-01-07 Michael Hayes <mhayes@redhat.com>
2421 * hard-reg-set.h: Add multiple include guard.
2422 * basic-block.h (struct loop): Add `sink' field.
2423 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
2424 (emit_iv_add_mult): Delete.
2425 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
2426 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
2427 (unroll_loop): Remove end_insert_before argument.
2428 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
2429 (maybe_eliminate_biv_1): Likewise.
2430 (emit_iv_add_mult): Delete.
2431 (gen_add_mult, loop_regs_update): New.
2432 (loop_insn_emit_after, loop_insn_emit_before): New.
2433 (loop_insn_sink, loop_insn_sink_or_swim): New.
2434 (emit_iv_add_mult): Delete.
2435 (scan_loop): Set loop->sink.
2436 (loop_givs_reduce): Use loop_insn_sink and its ilk.
2437 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
2438 (maybe_eliminate_biv_1): Likewise.
2439 (maybe_eliminate_biv_1): Add basic block argument.
2440 * unroll.c (unroll_loop): Remove end_insert_before argument.
2441 (find_splittable_regs): Likewise.
2442 (find_splittable_regs): Use loop_insn_sink and its ilk.
2443 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
2445 2001-01-07 Michael Hayes <mhayes@redhat.com>
2447 * loop.h (loop_insn_hoist): New prototype.
2448 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
2449 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
2450 (check_dbra_loop, load_mems): Likewise.
2451 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
2452 (find_splittable_givs): Likewise.
2454 2001-01-07 Michael Hayes <mhayes@redhat.com>
2456 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
2458 2001-01-07 Richard Henderson <rth@redhat.com>
2460 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
2462 2001-01-07 Richard Henderson <rth@redhat.com>
2464 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
2465 NO_SHARED_LIBGCC_MULTILIB as required for the target.
2466 * gcc.c (init_spec): Massage the existing libgcc_spec into a
2467 variant that handles a shared libgcc.
2468 (process_command): Always validate -{static,shared}-libgcc.
2469 (do_spec_1): New 'M' case.
2470 * invoke.text (Link Options): Document -{static,shared}-libgcc.
2472 2001-01-07 Richard Henderson <rth@redhat.com>
2474 * Makefile.in (slibdir): New variable.
2475 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
2476 (installdirs): Create slibdir.
2477 (install-libgcc, install-multilib): Defer to libgcc.mk.
2478 * configure.in (slibdir): Substitute.
2479 * mklibgcc.in (install): New target.
2481 * config/t-linux (SHLIB_LINK): Create links for the soname.
2482 (SHLIB_INSTALL): New.
2483 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
2484 * config/mips/t-iris6 (SHLIB_INSTALL): New.
2485 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
2486 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
2487 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
2489 2001-01-07 Richard Henderson <rth@redhat.com>
2491 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
2492 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
2493 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
2495 2001-01-07 Michael Hayes <mhayes@redhat.com>
2497 * loop.c (count_loop_regs_set): Delete.
2498 (load_mems_and_recount_loop_regs_set): Delete.
2499 (loop_regs_scan): Merge common code from count_loop_regs_set,
2500 scan_loop, and load_mems_and_recount_loop_regs_set.
2501 (scan_loop): Call load_mems directly and loop_regs_scan
2502 again if new registers created.
2504 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
2506 * toplev.c (main): Call the front-end specific post_options
2507 hook if one is given.
2508 * toplev.h (struct_lang_hooks, lang_hooks): New.
2509 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
2510 for the C front end.
2511 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
2512 lang_hooks for the C++ front end.
2513 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
2514 lang_hooks for the ObjC front end.
2515 * f/com.c (lang_hooks): Hooks for the Fortran front end.
2516 * java/lang.c (lang_hooks): Hooks for the Java front end.
2518 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
2520 * c-lex.c (init_c_lex): Request #define / #undef callbacks
2521 for verbose DWARF[2] debugging.
2522 (cb_define, cb_undef): The new callbacks.
2523 * toplev.h (debug_define, debug_undef): Make const correct.
2524 * toplev.c (debug_define, debug_undef): Similarly. Do not
2525 perform the verbosity tests here anymore.
2527 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
2529 * reload.c (subst_reloads): Take INSN argument. When
2530 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
2531 * reload.h (subst_reloads): Adjust prototype.
2532 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
2533 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
2534 present in JUMP_INSNs and copy them to JUMP_LABEL.
2535 * flow.c (find_label_refs, find_basic_blocks_1): Skip
2536 JUMP_INSNs and insns with REG_LABELs that are followed by
2537 JUMP_INSNs with the same REG_LABEL.
2538 * sched-rgn.c (is_cfg_nonregular): Likewise.
2539 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
2541 * unroll.c (unroll_loop): Look for REG_LABEL notes in
2543 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
2545 2001-01-06 Richard Henderson <rth@redhat.com>
2547 * loop.c (scan_loop): Use xcalloc for the regs array.
2548 (load_mems_and_recount_loop_regs_set): Zero the new memory
2549 received from xrealloc.
2551 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
2553 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
2555 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
2557 * integrate.c (copy_rtx_and_substitute): When copying
2558 an ignored return value, strip REG_FUNCTION_VALUE_P.
2560 2001-01-06 Michael Hayes <mhayes@redhat.com>
2562 * loop.c (debug_biv, debug_giv): New.
2563 (loop_biv_dump): Break out from ...
2564 (record_biv): ... here.
2565 (loop_giv_dump): Break out from ...
2566 (record_giv): ... here.
2567 (loop_bivs_check): Use print_simple_rtl.
2568 * unroll.c (loop_iterations): Use print_simple_rtl.
2570 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
2572 * pa.md (return, return_internal): Modify patterns to prevent regrename
2573 mucking with the return pointer.
2575 2001-01-05 Richard Henderson <rth@redhat.com>
2577 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
2579 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
2581 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
2582 version supplied by Matteo Frigo.
2584 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
2586 * cpp.texi: Update for -MQ.
2587 * cppinit.c (cpp_create_reader): Always create pfile->deps.
2588 (cpp_cleanup): Always free pfile->deps.
2589 (initialize_dependency_output): Don't create pfile->deps.
2590 (cpp_handle_option): Similarly.
2592 * gcc.c (cpp_options): Handle -MQ.
2593 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
2594 * mkdeps.c (base_name): Remove.
2595 (deps_init): Don't allocate vector space until it's needed.
2596 (deps_free): Only free vectors if allocated.
2597 (deps_add_target, deps_add_dep): Update for initial allocation.
2598 (deps_add_default_target): Don't strip to the base_name.
2600 2001-01-05 DJ Delorie <dj@redhat.com>
2602 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
2603 (INIT_EXPANDERS): Define.
2605 * config/v850/v850.c (struct machine_function): Define.
2606 (v850_save_machine_status): New function.
2607 (v850_restore_machine_status): New function.
2608 (v850_return_addr): New function.
2609 (v850_init_expanders): New function.
2611 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
2612 and v850_init_expanders.
2614 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
2616 * cpplib.h (struct cpp_reader): Add help_only field.
2617 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
2618 (cpp_handle_option): Set pfile->help_only if we see -h,
2619 --help, -target-help, or --version. Print version string but
2620 do not set help_only if we see -v or -version. Make text
2621 printed by -v match that printed by (-)-version.
2623 * cppmain.c (main): Exit after option parsing if
2624 pfile->help_only is true.
2626 * toplev.c (independent_decode_option): Call print_version,
2627 then exit, if we see --version (but not -version).
2628 (print_version): Split lengthy message into two lines.
2630 2001-01-05 Nick Clifton <nickc@redhat.com>
2632 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
2633 temporary string for initialisation before calling ggc_alloc_string.
2635 2001-01-06 Michael Hayes <mhayes@redhat.com>
2637 * rtl.h (print_simple_rtl): New.
2638 * print-rtl.c (print_simple_rtl): New.
2640 (print_rtx): Disable printing of flags and modes, etc.,
2641 if `flag_simple` nonzero.
2643 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
2645 * function.c (fixup_var_refs): Use push_to_full_sequence where
2648 2001-01-05 Michael Meissner <meissner@redhat.com>
2650 * flags.h (flag_reorder_blocks): Add declaration.
2651 (flag_rename_block): Ditto.
2653 2001-01-05 DJ Delorie <dj@redhat.com>
2655 * function.c (reorder_blocks): Make sure the flags are all reset
2656 before using them to mark blocks, else a second invocation will
2657 corrupt the block chain.
2658 (reorder_blocks_0): New, resets the flags.
2660 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
2662 * cse.c (find_comparison_args): Stop if the argument is known to
2665 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
2667 * config/sh/sh.md (movdf): When splitting load into pair of
2668 registers, don't clobber the register used in the address too
2671 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
2673 * varasm.c (mark_constant_pool): Improve initial comments.
2674 (mark_constants): Move marking of constants to mark_constant.
2675 (mark_constant): New function to recursively mark all constants
2676 referred to by a constant.
2678 2001-01-05 Catherine Moore <clm@redhat.com>
2680 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
2682 2001-01-05 Phil Edwards <pme@sources.redhat.com>
2684 * cp/lang-options.h: Bring comment in line with reality.
2685 * f/lang-options.h: Likewise.
2686 * java/lang-options.h: Likewise.
2687 * objc/lang-options.h: Likewise.
2688 * ch/lang-options.h: Likewise.
2689 * f/g77.texi: And update the manual.
2691 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
2692 Denis Chertykov <denisc@overta.ru>
2694 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
2695 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
2696 * config/avr/avr.md (all peepholes that request a scratch register):
2697 Call it, FAIL the peephole if not safe (in interrupt functions).
2699 2001-01-05 Mark Mitchell <mark@codesourcery.com>
2701 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
2703 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
2705 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
2707 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
2708 BUILT_IN_CREAL and BUILT_IN_CIMAG.
2709 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
2710 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
2711 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
2713 * extend.texi: Document these builtins.
2715 2001-01-05 Daniel Berlin <dberlin@redhat.com>
2717 * c-common.c (lang_get_alias_set): Say we know nothing of
2718 VECTOR_TYPE aliasing.
2720 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
2722 2001-01-05 Bruce Korb <bkorb@gnu.org>
2724 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
2725 their x* equivalent versions for atexit-less systems
2726 * fixinc/fixincl.c(main): do not return from main() on atexit-less
2727 systems (or any other system any more).
2729 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
2731 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
2732 output operands. Use arm_hard_register_operand for operand 4.
2733 (stmsi_postinc): Similarly.
2734 (ldmsi): Use arm_hard_register_operand for opernand 2.
2736 * arm.c (arm_hard_register_operand): New function.
2737 * arm-protos.h (arm_hard_register_operand): Prototype it.
2739 * arm.h (HARD_REGNO_RENAME_OK): Define.
2741 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
2743 * simplify-rtx.c (cfc_args): add "unordered" field.
2744 (check_fold_consts): Set unordered field.
2745 (simplify_relational_operation): Simplify the unordered
2748 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
2751 * emit-rtl.c (try_split): Fix code to mark labels.
2752 * jump.c (mark_jump_label): Make global.
2753 * rtl.h (mark_jump_label): Declare.
2755 * predict.c (estimate_probability): Handle unordred comparisons.
2757 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
2759 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
2760 * cppinit.c (initialize_dependency_output): Update.
2761 (cpp_finish): Output dummy targets for -MP.
2763 (cpp_handle_option): Handle -MP. Don't quote -MT options.
2764 * cpplib.h (struct cpp_options): Add deps_phony_targets.
2765 * gcc.c (cpp_options): Update to handle -MP.
2766 * mkdeps.c (deps_add_target, deps_add_default_target): Update
2767 to quote only the default target.
2768 (deps_phony_targets): Insert a preceding newline. Rename from
2769 deps_dummy_targets for consistency.
2772 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
2774 * calls.c (emit_library_call_value_1): Support
2775 INIT_CUMULATIVE_LIBCALL_ARGS.
2776 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
2778 2001-01-04 Richard Henderson <rth@redhat.com>
2780 * c-decl.c (finish_struct): Detect flexible array members
2781 used in an inappropriate context.
2782 * c-typeck.c (really_start_incremental_init): Special case
2783 constructor_max_index for zero length arrays.
2784 (pop_init_level): Allow initialization of flexible array
2785 members. Deprecate initialization of zero length arrays.
2786 Don't issue missing initializer warning for flexible array
2787 members or zero length arrays.
2788 (process_init_element): Don't dereference null DECL_SIZE.
2789 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
2790 Don't abort for empty constructors. Use size_binop
2791 (output_constructor): Add commentary regarding zero length
2792 array futures. Abort if we try to initialize an array of
2793 unspecified length with a non-empty constructor in the middle
2796 * extend.texi (Zero Length): Update and clarify documentation
2797 on static initialization.
2799 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2801 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
2802 with more than 32767 words of local storage.
2804 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2806 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
2807 for 'abs', 'labs', and 'fabs'.
2808 (c4x_expand_builtin): Likewise.
2809 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
2811 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
2813 * config/sh/sh.md (prget, prset): New insn types.
2814 (return delay slot): Dont' allow prset.
2815 (call, sfunc delay slot): Don't allow prget.
2816 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
2817 for prset and prget.
2819 2001-01-05 Michael Hayes <mhayes@redhat.com>
2821 * loop.h (struct loop_reg): New.
2822 (struct loop_regs): Change to use array of `struct loop_reg'.
2823 * loop.c: Replace assortment of varrays with single regs array.
2824 (count_one_set): Delete may_not_move array argument
2825 and use regs array instead. All caller's changed.
2826 (count_loop_regs_set): Delete may_not_move and single_usage
2827 arguments and use regs array instead. All caller's changed.
2828 (find_single_use_in_loop): Replace usage array argument with pointer
2829 to regs structure. All caller's changed.
2830 (loop_optimize): Delete `moved_once' array.
2832 2001-01-05 Michael Hayes <mhayes@redhat.com>
2834 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
2835 Use it instead of loop_info->has_call for scanning loop mems.
2836 (check_dbra_loop): Replace loop_info->has_call test with
2837 loop_info->has_nonconst_call.
2839 2000-01-04 Matthew Hiller <hiller@redhat.com>
2841 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
2844 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
2846 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
2847 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
2849 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
2851 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
2852 (flag_short_double, flag_short_wchar): Define.
2853 (c_common_nodes_and_builtins): Create many tree nodes shared
2854 between C and C++ here instead of in cp/decl.c and ...
2855 * c-decl.c (init_decl_processing): ... here.
2856 (SIZE_TYPE, WCHAR_TYPE): Don't define.
2857 (flag_short_double, flag_short_wchar): Don't define.
2858 (record_builtin_type): New function.
2859 (build_void_list_node): New function.
2860 * c-common.h (flag_short_double, flag_short_wchar,
2861 record_builtin_type, build_void_list_node): Declare.
2863 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
2865 * integrate.c (expand_inline_function): Don't put a virtual
2866 register into the reg map.
2868 * function.c (fixup_var_refs_1): If force_operand didn't put
2869 the address into the target, move it there.
2871 2001-01-04 Mark Mitchell <mark@codesourcery.com>
2873 Special-case tree_decl/tree_list allocations.
2874 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
2875 (OBJECT_SIZE): New macro.
2876 (NUM_EXTRA_ORDER): Likewise.
2877 (extra_order_size_table): New variable.
2878 (NUM_ORDERS): New macro.
2879 (objects_per_page_table): New variable.
2880 (object_size_table): New variable.
2881 (G.pages): Use NUM_ORDERS to bound the array.
2882 (G.page_tails): Likewise.
2883 (DIV_ROUND_UP): Remove.
2884 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
2885 (alloc_page): Use OBJECT_SIZE.
2886 (size_lookup): Don't make it const.
2887 (ggc_alloc): Use OBJECT_SIZE.
2888 (ggc_set_mark): Likewise.
2889 (ggc_get_size): Likewise.
2890 (init_ggc): Set up the object_size_table, objects_per_page_table,
2891 and adjust size_lookup.
2892 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
2893 (ggc_pop_context): Use NUM_ORDERS.
2894 (clear_marks): Likewise.
2895 (sweep_pages): Likewise.
2896 (poison_pages): Likewise.
2897 (ggc_print_statistics): Use OBJECT_SIZE.
2899 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2901 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
2902 Only call array_size_for_constructor if last field and array type
2903 with no upper bound.
2905 2001-01-04 Philip Blundell <philb@gnu.org>
2907 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
2908 from bit 31 downwards, if this requires no more insns.
2909 (count_insns_for_constant): New helper function for above.
2911 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
2913 * gencodes.c (output_predicate_decls): Remove empty initializer.
2915 2001-01-04 Mark Mitchell <mark@codesourcery.com>
2917 * tree.c (copy_node): Remove documentation about obstacks.
2918 (buidl1): Check that nobody tries to build 2-argument nodes this
2921 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2923 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
2926 * gencodes.c (output_predicate_decls): Fill empty initializer
2929 2001-01-04 Jakub Jelinek <jakub@redhat.com>
2931 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
2932 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
2934 (do_include): Handle missing headers like cpp0.
2935 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
2936 paths with first include pathname. Don't strcat to uninitialized
2939 2001-01-04 Bernd Schmidt <bernds@redhat.com>
2941 * regrename.c (regrename_optimize): Don't rename from frame pointer
2942 if frame_pointer_needed.
2943 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
2944 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
2945 (ia64_reorg): Use it instead of scheduling if ! optimize.
2946 (errata_emit_nops): Properly call asm_noperands.
2947 (ia64_sched_reorder): Finish cycle if we see an asm.
2948 (ia64_variable_issue): Clear scheduling state after asms.
2950 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
2952 * cpp.texi: Update for -MT.
2953 * cppinit.c (initialize_dependency_output): Add a default
2954 target if none has been given already.
2955 (no_tgt, OPT_MT): New.
2956 (cpp_handle_option): Handle -MT. Update -M etc.
2957 * cpplib.h (struct cpp_options): Remove deps_target.
2958 * gcc.c (cpp_options): Handle -MT.
2959 * mkdeps.c (struct deps): Move from mkdeps.h.
2960 (deps_calc_target): Rename deps_add_default_target. Add a
2961 default target if none has been specified already.
2962 * mkdeps.h (struct deps): Move to mkdeps.c.
2963 (deps_calc_target): Rename deps_add_default_target.
2965 2000-01-03 Richard Henderson <rth@redhat.com>
2967 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
2969 * c-typeck.c (push_init_level): Move checks for flexible array
2970 members and zero length arrays ...
2971 (pop_init_level): ... here. Silently discard empty initializations.
2973 * varasm.c (output_constructor): Update for sizeof change to
2976 * extend.texi (Zero Length): Clarify semantics.
2978 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
2980 * configure.in (tm.h): Include isns-codes.h last.
2981 * configure: Rebuilt.
2983 2001-01-03 Richard Henderson <rth@redhat.com>
2985 * config/alpha/alpha.md (addvsi3, addvdi3): New.
2986 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
2988 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2990 * tradcpp.c (main): Make sure finclude() is called with a valid
2991 indepth value while handling -include.
2993 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
2995 * gencodes.c (output_predicate_decls): New function.
2997 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
2998 even if it is not the first time machmode.h is #included.
2999 * config/sh/sh.c (fpul_operand): Declare MODE argument.
3000 * tm.texi (PREDICATE_CODES): Document predicate declarations.
3001 * gcc.texi (Copyright): Added 2001.
3003 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
3005 * c-common.c (c_common_lang_init): New function. Warn if format
3006 warning options which only have effects when used with -Wformat
3007 are used without -Wformat.
3008 * c-common.h (c_common_lang_init): Declare.
3009 * c-lang.c (lang_init): Call c_common_lang_init.
3010 * objc/objc-act.c (lang_init): Call c_common_lang_init.
3012 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
3014 * configure.in: Check for the mktemp command.
3015 * configure: Regenerate.
3016 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
3017 $TEMP. Create temporary files with mktemp, if available at
3018 configure time; otherwise use set -C. Remove temporary files
3021 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
3023 * configure.in: Require at least texinfo 4.0. Check for whether
3024 Pod::Man is sufficiently recent to regenerate GCC manpages.
3025 * configure: Regenerate.
3026 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
3028 (GENERATED_MANPAGES): Define.
3029 (generated-manpages): New target. Depend on cpp.1 as well as
3031 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
3032 configure to generated-manpages or empty) rather than on the
3033 manpages directly. Remove execute permission from installed
3034 gcov.1 as well as cpp.1.
3035 * cpp.1, gcov.1: Regenerate.
3037 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3039 * builtins.c (expand_builtin_strncmp): Use host_integerp and
3040 tree_low_cst. Allow using cmpstrsi in more cases.
3042 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3044 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
3047 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
3049 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
3050 * Makefile.in (HOST_CFLAGS): Mention build-make.
3052 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3054 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
3057 2001-01-01 Bernd Schmidt <bernds@redhat.com>
3059 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
3062 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
3065 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
3066 reg_base_value and reg_known_value arrays.
3067 (init_alias_analysis): Add more cases to detect known values.
3068 * sched-deps.c (deps_may_trap_p): New function.
3069 (sched_analyze_2): Use it.
3071 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
3073 * combine.c (simplify_shift_const): Even if we're sign-extracting,
3074 don't discard an ASHIFTRT if we're shifting in a wider mode.
3076 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
3078 * toplev.c (rest_of_compilation): Don't print basic block information
3079 when CFG isn't up to date.
3081 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
3083 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
3084 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
3085 (UNALIGNED_SHORT_ASM_OP): Define.
3086 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
3088 2001-01-02 Mark Mitchell <mark@codesourcery.com>
3090 * fold-const.c (fold_convert): Fix typo.
3092 2001-01-02 Richard Henderson <rth@redhat.com>
3094 * c-common.h (ASM_INPUT_P): New.
3095 * c-parse.in (asm): Set it when needed.
3096 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
3097 existance of an operand.
3099 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
3101 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
3102 (dwarf2out_frame_debug_expr): Likewise.
3103 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
3105 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
3107 * i386.c (ix86_split_to_parts): Return number of part required;
3109 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
3111 (ix86_split_long_move): Use number of part returned
3112 by ix86_split_to_parts
3113 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
3115 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
3116 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
3117 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
3118 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
3119 (ALIGN_MODE_128): Add TFmode.
3120 (IS_STACK_MODE): Likewise.
3121 (HARD_REGNO_NREGS): TFmode needs 3 registers.
3122 (HARD_REGNO_OK): Support TFmodes.
3123 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
3124 * i386.md (scheduler definitions): Use memory operand to determine
3125 fst/fld instructions; use mode attribute to determine real mode of
3127 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
3128 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
3130 2001-01-02 Mark Mitchell <mark@codesourcery.com>
3132 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
3134 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
3136 * expr.c (store_constructor_field): Update ALIGN before calling
3139 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
3141 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
3144 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
3146 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
3149 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
3151 * c-decl.c (start_function): Don't warn on third parameter to main.
3153 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3155 * tsystem.h: Define HAVE_DECL_GETOPT.
3157 2001-01-02 Philip Blundell <pb@futuretv.com>
3159 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
3162 2001-01-02 Richard Henderson <rth@redhat.com>
3164 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
3166 2001-01-02 Andreas Jaeger <aj@suse.de>
3168 * c-decl.c (c_decode_option): Remove support of
3171 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
3172 (W_options): Add -Wmissing-noreturn here.
3174 * flow.c: Define lang_missing_noreturn_ok_p.
3175 (check_function_return_warnings): Use it.
3177 * c-common.h: Declare lang_missing_noreturn_ok_p.
3179 * c-lang.c (c_missing_noreturn_ok_p): New function.
3180 (lang_init): Set lang_missing_noreturn_ok_p.
3182 * invoke.texi (Warning Options): Document this.
3184 2000-12-27 Phil Edwards <pme@sources.redhat.com>
3186 * extend.texi (C++ Extensions): New node for C++ attributes;
3187 describe init_priority and com_interface.
3188 * invoke.texi: Remove -finit-priority as it now has zero effect.
3189 * install.texi: Fix xref syntax.
3190 * md.texi: Likewise.
3192 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3194 * config.gcc (sparc64-wrs-vxworks*): New case.
3195 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
3197 * config/sparc/sparc.c (sparc_override_options): Do support different
3198 pointer and architecture size.
3199 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
3200 (POINTERS_EXTEND_UNSIGNED): Define.
3201 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
3202 (FUNCTION_MODE): Define to be Pmode.
3203 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
3205 * function.c (expand_function_end): Properly handle DECL_RESULT
3206 and copy when ptr_mode != Pmode.
3207 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
3209 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3211 * c-common.c (c_common_nodes_and_builtins): Set prototype
3212 parameters for __builtin_fputs, __builtin_fputc and
3213 __builtin_fwrite. Don't declare plain fputc as a builtin.
3215 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
3217 * loop.c (add_label_notes): Increment the label usage count when
3218 a note is added to an insn which refers to a CODE_LABEL.
3219 * gcse.c (add_label_notes): Likewise.
3221 2001-01-01 Andreas Jaeger <aj@suse.de>
3223 * loop.c (scan_loop): Use xmalloc to allocate movables.
3225 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
3227 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
3228 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
3229 * reload1.c (REGISTER_MOVE_COST): Likewise.
3230 * regclass.c (REGISTER_MOVE_COST): Likewise.
3231 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
3232 dimension. Adjust all users.
3233 (init_reg_sets_1): Iterate on all modes.
3234 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
3235 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
3236 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
3237 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
3238 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
3239 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
3240 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
3241 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
3242 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
3243 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
3244 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
3245 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
3246 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
3247 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
3248 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
3249 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
3250 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
3251 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
3252 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
3253 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
3254 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
3255 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
3256 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
3257 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
3258 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
3259 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
3260 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
3262 2001-01-01 Bernd Schmidt <bernds@redhat.com>
3264 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
3265 arg VARIES_P. Call it with extra arg.
3266 (true_dependence): Likewise.
3267 * rtl.h (rtx_addr_can_trap_p): Declare.
3268 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
3270 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
3271 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
3272 pic offset table register if it's zero. All callers changed.
3273 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
3275 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3277 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
3278 STRING_POOL_ADDRESS_P.
3280 * config/sparc/sparc.c (input_operand): Properly test for short op.
3282 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
3283 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
3284 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
3285 * config/sparc/elf.h: No longer include sol2.h.
3286 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
3287 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
3289 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
3291 2001-01-01 Michael Hayes <mhayes@redhat.com>
3293 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
3294 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
3295 (record_initial): Likewise.
3296 * unroll.c (copy_loop_body, loop_iterations): Likewise.
3297 (remap_split_bivs): Likewise.
3299 2001-01-01 Michael Hayes <mhayes@redhat.com>
3301 * loop.c (loop_ivs_free): New function.
3302 (strength_reduce): Break out from...
3304 2001-01-01 Michael Hayes <mhayes@redhat.com>
3306 * loop.h (struct iv): New.
3307 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
3308 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
3309 'reg_biv_class' fields with 'regs' and 'n_regs'.
3310 (struct ivs): Rename 'loop_iv_list' field to 'list'.
3311 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
3312 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
3314 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
3316 * resource.c (mark_referenced_resources): Abort() before
3317 attempting to mark a pseudo register.
3318 (mark_set_resources): Likewise.
3320 2001-01-01 Michael Hayes <mhayes@redhat.com>
3322 * loop.h (REG_IV_CLASS): New accessor macro.
3323 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
3324 * unroll.c (REG_IV_CLASS): Likewise.
3326 See ChangeLog.4 for earlier changes.