1 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
3 * config/i386/djgpp.h: Add comments about standard paths.
4 (MD_EXEC_PREFIX): Undefine before defining.
5 (MD_STARTFILE_PREFIX): New.
7 2001-01-30 Bruce Korb <bkorb@gnu.org>
9 fixinc/fixincl.c(process): Emit error message only if appropriate :)
10 (load_file): do not rely on load_file_data() to close file pointer
11 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
12 fixinc/inclhack.def(irix_limits_const): add test_text
14 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
16 * cppexp.c (parse_defined): Improve diagnostics for invalid
19 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
21 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
23 2001-02-06 Mark Mitchell <mark@codesourcery.com>
25 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
26 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
27 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
28 (rs6000_output_symbol_ref): New function.
29 (output_toc): Use VTABLE_NAME_P.
31 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
33 * print-tree.c (print_node, case PARM_DECL):
34 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
36 * stor-layout.c (reference_types_internal): New variable.
37 (internal_reference_types): New function.
38 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
39 * tree.h (internal_reference_types): New declaration.
41 * cse.c (find_best_addr): Fix typo in computing cost.
43 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
45 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
46 and this is the sum of a pointer and a constant, we know the result
48 (num_sign_bit_copies, case PLUS): Likewise.
49 * explow.c (convert_memory_address): Remove opposite SUBREG.
50 * function.c (instantiate_new_reg): New function (from common code).
51 (instantiate_virtual_regs_1): Call it.
52 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
53 if pointers sign- or zero-extend.
54 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
55 If pointers extend unsigned, use inside of SUBREG.
56 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
58 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
60 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
61 subdir of gcc_gxx_include_dir.
62 (gcc_gxx_target_include_dir): Remove.
64 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
66 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
67 (dwarf2out_frame_debug_expr): Revise introductory comments to add
68 a high-level description.
70 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
72 * final.c: Move the declaration of profile_label_no to ...
74 * function.c (expand_function_start): Call PROFILE_HOOK.
75 * config/rs6000/aix.h: Define PROFILE_HOOK.
76 * config/rs6000/rs6000-protos.h: output_profile_hook new.
77 * config/rs6000/rs6000.c (output_profile_hook): Define.
78 (output_prolog): Do nothing for ABI_AIX as it is taken care by
80 tm.texi : Explain new macro PROFILE_HOOK.
82 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
84 * extend.texi (Extended Asm): Do not say that semicolon is always
85 a valid line-breaking character for GNU assemblers. Use
86 newline-tab as the most commonly supported syntax. Use
87 newline-tab rather than semicolon in multi-insn examples.
89 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
91 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
93 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
94 David Edelsohn <edelsohn@gnu.org>
96 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
97 code for AIX, even without flag_pic.
99 2001-02-05 Jakub Jelinek <jakub@redhat.com>
101 * c-typeck.c (common_type): push and pop binding level around
102 calling common_type on function parameters.
104 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
106 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
108 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
110 * config/mips/mips.c (override_options): Fix typo in last change.
111 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
112 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
114 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
116 * invoke.texi (-fdump-class-layout): Document.
117 (-fdump-translation-unit): Use `=' as filename separator.
119 2001-02-05 Mark Mitchell <mark@codesourcery.com>
121 * Makefile.in (s-mlib): Don't build multilibs if
123 (DRIVER_DEFINES): Adjust accordingly.
125 (protoize.o): Likewise.
126 (unprotoize.o): Likewise.
127 * configure.in: Recognize --enable-multilib.
129 2001-02-04 Mark Mitchell <mark@codesourcery.com>
131 * Makefile.in (DRIVER_DEFINES): Fix quoting.
133 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
134 * configure.in: Remove --enable-libstdcxx_v3 support.
135 * configure: Regenerated.
137 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
139 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
140 Call abort instead of fatal.
141 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
142 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
143 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
144 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
145 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
146 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
148 * diagnostic.h (set_internal_error_function): Renamed.
149 * toplev.h (internal_error): Renamed from fatal.
150 (pfatal_with_name): Deleted.
151 (fatal_io_error): Now has printf-style arguments.
152 * diagnostic.c (pfatal_with_name): Deleted.
153 (fatal_io_error): Rework to have args in printf-style.
154 (set_internal_error_function): Renamed from set_fatal_function.
155 (internal_error): Renamed from fatal.
156 (error_recursion, fancy_abort): Call internal_error instead of fatal.
157 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
158 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
159 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
160 * flow.c (verify_flow_info): Likewise.
161 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
162 * config/mips/mips.c (save_restore_insns): Likewise.
164 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
165 * flow.c (verify_flow_info): Likewise.
166 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
167 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
168 (avr_normalize_condition): Likewise.
169 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
170 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
171 (limit_reload_class, double_reg_to_memory): Likewise.
172 (print_operand_address, emit_1600_code_shift): Likewise.
173 (gen_tst_reg, gen_compare_reg): Likewise.
174 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
175 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
177 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
179 * c-parse.in (methoddef): Call fatal_error instead of fatal.
180 * objc/objc-act.c (build_ivar_chain): Likewise.
181 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
183 * graph.c (clean_graph_dump_file): Likewise.
184 * profile.c (init_branch_prob): Likewise.
185 * objc/objc-act.c (objc_init): Likewise.
187 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
188 * config/avr/avr.c (avr_override_options): Likewise.
189 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
190 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
191 * config/h8300/h8300.c (h8300_init_once): Likewise.
192 * config/mips/mips.c (override_options): Likewise.
193 * config/i386/i386.c (override_options): Likewise, rework.
194 * config/m68k/m68k.c (override_options): Likewise.
196 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
198 * config/mips/mips.c (print_operand): Likewise.
199 * hash.c (hash_allocate): Don't check for failure returns from
200 obstack functions that can't fail.
201 (hash_table_init_n, hash_table_init): Likewise; also now return void.
202 * hash.h (hash_table_init_n, hash_table_init): Now return void.
203 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
204 (get_object_reference): Likewise.
206 2001-02-04 Nick Clifton <nickc@redhat.com>
208 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
209 StrongARM1110, 10TDMI, and 1020T.
211 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
213 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
215 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
217 * config/sh/sh.md (movdf load split): Pass register number to
220 2001-02-04 Mark Mitchell <mark@codesourcery.com>
222 * cppinit.c (BC): New macro.
223 (builtin_array): Add __GXX_WEAK__.
224 * cpplib.h (builtin_type): Add BT_WEAK.
225 * cppmacro.c (builtin_macro): Handle BT_WEAK.
226 * defaults.h (SUPPORTS_ONE_ONLY): Define.
227 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
229 2001-02-03 Jakub Jelinek <jakub@redhat.com>
231 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
233 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
235 * cpphash.h: Rename _ALIGN POOL_ALIGN.
236 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
238 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
240 * cpphash.h: Rename ALIGN _ALIGN.
241 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
243 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
245 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
246 compilation environment.
247 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
248 control over location of cygwin includes and libs.
250 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
252 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
254 2001-02-02 lars brinkhoff <lars@nocrew.org>
256 * md.texi (Standard Names): remove reference to spur.md.
258 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
260 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
261 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
262 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
263 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
264 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
266 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
268 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
269 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
270 number before reload.
271 (c4x_adjust_cost): Return zero before reload.
272 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
275 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
277 * c4x.c (c4x_hard_regno_rename_ok): New.
278 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
279 * c4x.h (HARD_REGNO_RENAME_OK): Define.
281 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
283 * diagnostic.h: Add missing "extern" in all declarations.
285 2001-02-02 Alex Samuel <samuel@codesourcery.com>
287 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
288 as for gcc_gxx_include_dir.
290 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
292 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
294 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
296 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
297 label before alignment to be used as the braf base address.
298 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
300 (casesi_jump_2): Require at least TARGET_SH2.
302 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
303 truncation to 32-bit doubles on -m3e and -m4-single-only.
305 2001-02-02 Mark Mitchell <mark@codesourcery.com>
307 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
308 the default when building a shared object.
310 * testsuite/lib/g++.exp: Include the directory where libgcc
311 is located to the LD_LIBRARY_PATH list.
312 * invoke.texi (-shared-libgcc): Document the cases in which
313 GCC defaults to using the shared libgcc.
315 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
317 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
318 unsigned is wide enough.
320 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
321 (si_to_float): Likewise.
322 (float_to_si, float_to_usi): Use BITS_PER_SI.
324 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
326 * dwarf2out.c: Added explanation of abbreviations.
327 (def_cfa_1): Added comments listing DWARF2 instructions.
328 (cfa_temp_reg): Removed in favor of cfa_temp.
329 (cfa_temp_value): Removed in favor of cfa_temp.
330 (cfa_temp): New global variable.
331 (dwarf2out_frame_debug_expr): Added extensive introductory
332 comments explaining the function's transformations. Revised to
333 use cfa_temp. Added some rtx checking. Generalize IOR case.
334 (dwarf2out_frame_debug): Revised to use cfa_temp.
335 (output_aranges): Cast as "unsigned" to avoid warning.
336 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
337 explain which instructions must be marked.
339 2001-02-01 Richard Henderson <rth@redhat.com>
341 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
344 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
346 * config/sh/crt1.asm (main_k): Modified so that start calls
347 ___setup_argv_and_call_main.
349 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
351 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
352 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
353 and AVOID_LPASTE is cleared on meeting an unescaped newline.
354 * cppmacro.c (builtin_macro): Set builtin flags here.
355 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
356 (replace_args): Clarify intent.
357 (cpp_get_token): Macro expansion tokens get the saved flags.
359 * cppmain.c (scan_buffer): Remove now-redundant print.printed
362 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
364 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
367 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
369 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
370 returns Pmode pseudo, but we need ptr_mode.
371 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
372 Remove bogus conversions; use HOST_WIDE_INT for size.
373 Don't use TARGET if wrong mode.
375 * config/i386/i386.c (ix86_compute_frame_size): Allow
376 stack_alignment_needed to be non-default even if size is zero.
378 2001-01-31 Alan Modra <alan@linuxcare.com.au>
380 * (hppa_init_pic_save): Emit the pic offset table
381 reg save after last_parm_insn.
382 * pa.c (hppa_init_pic_save): New function.
383 * pa.h (hppa_init_pic_save): Declare.
384 * pa.md (call, call_value, sibcall, sibcall_value): Use
385 the above instead of duplicated code.
387 * pa.c (hppa_encode_label): Correct size of alloca buffer
388 so we don't overrun it. Correct leading `*' case.
389 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
391 (FUNCTION_NAME_P): Likewise.
393 2001-01-31 Richard Henderson <rth@redhat.com>
395 * config.gcc (alpha-osf5): Use float-i128.h.
397 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
398 * config/float-i32.h: Likewise.
399 * config/float-i64.h: Likewise.
400 * config/float-sh.h: Likewise.
401 * config/float-sparc.h: Likewise.
403 2001-01-31 DJ Delorie <dj@redhat.com>
405 * expmed.c (extract_bit_field): allow non-integral modes if we
406 want to extract a whole register from itself.
408 2001-01-31 Jakub Jelinek <jakub@redhat.com>
410 * c-typeck.c (set_init_index): If first is equal to last, assume as
411 if it was not a range at all.
413 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
415 * config/fp-bit.c: Include tm.h.
416 (float_to_si): Don't assume SImode is 32-bits wide.
417 (float_to_usi): Likewise.
419 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
421 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
423 (typename): Call pending_xref_error after parsing typed_typespecs.
424 * c-decl.c (lookup_tag): Give error immediately rather than
425 leaving it pending if the tag of the wrong type is in the same
427 (xref_tag): Don't pedwarn for forward declarations of enum types
429 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
432 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
434 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
436 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
438 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
439 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
441 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
443 * cpphash.h (struct cpp_reader): New saved_flags.
444 * cppmacro.c (cpp_get_token): Use saved_flags to remember
445 to avoid a paste after a pasted token.
447 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
449 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
450 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
451 Wtype_MIN instead of LONG_MIN.
453 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
455 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
457 * fixinc/fixincl.x: Regenerated.
458 * fixinc/inclhack.def (irix_limits_const): New definition to
459 convert "const" to "__const" in limits.h.
461 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
463 * fixinc/genfixes (AG): Fix "autogen4" thinko.
465 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
467 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
468 when register dies in the insn.
470 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
472 * diagnostic.c (fatal): Fix word wrap.
474 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
476 * combine.c (try_combine): Fix SUBREG setting for
477 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
479 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
481 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
484 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
486 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
488 * toplev.c (decode_W_option): Update warn_larger_than
489 unconditionally for each processed switch.
491 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
493 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
495 (hppa_expand_prologue): Delete code to save pic offset table register
496 in the function prologue.
497 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
498 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
499 table register at the beginning of the function after the prologue.
501 2001-01-29 lars brinkhoff <lars@nocrew.org>
503 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
505 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
506 Jeff Law <law@redhat.com>
508 * pa.md (return): Revise comment for trivial return.
509 (return_internal): Non-trivial return pattern for non-PIC code.
510 (return_internal_pic): Non-trivial return pattern for PIC code.
511 It uses the PIC register to ensure it is restored after
513 (epilogue): Generate appropriate return for PIC and non-PIC code.
515 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
517 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
519 2001-01-29 DJ Delorie <dj@redhat.com>
521 * combine.c (if_then_else_cond): Pass the correct mode to
522 operand_subword() for constants.
524 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
526 * config/i386/cygwin.h: Add w32api to include search. Search different
527 directories in a cross-build environment.
529 2001-11-29 Tim Josling <tej@melbpc.org.au>
531 * tree.h (TYPE_STUB_DECL): Add documentation.
533 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
535 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
536 (sdbout_field_types): Likwise. Fix use of host_integerp.
538 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
540 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
543 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
545 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
546 to use flag_gnu_linker.
548 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
550 * cpplib.c (T_BAD_DIRECTIVE): Remove.
551 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
553 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
555 * tree.c, tree.h (build_parse_node): Remove; was identical to
557 * c-lang.c (start_cdtor), objc/objc-act.c
558 (build_module_descriptor): Use build_nt instead of
561 2001-01-29 Jakub Jelinek <jakub@redhat.com>
563 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
564 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
565 not have any upper bits set.
567 2001-01-29 Phil Edwards <pme@sources.redhat.com>
569 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
571 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
573 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
575 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
577 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
578 (integer_minus_one_node): Define.
580 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
582 * Makefile.in (bootstrap2-lean): Fix typo.
584 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
586 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
587 : Don't set fe_value.
588 * cpplib.h (AVOID_LPASTE): New flag.
589 (struct cpp_hashnode): Remove fe_value.
590 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
591 * cppmacro.c (builtin_macro): Don't set flags here.
592 (replace_args): Set AVOID_LPASTE flag on first token of an
593 argument, and the token following it.
594 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
595 macro expansion, and on the token following it. Do it for
597 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
599 2001-01-27 Richard Henderson <rth@redhat.com>
601 * config/alpha/t-ieee: Remove multilibbing.
602 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
604 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
606 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
608 * Makefile.in: Remove all dependencies on defaults.h.
609 * builtins.c: Don't include defaults.h.
610 * c-common.c: Likewise.
611 * c-decl.c: Likewise.
612 * c-pragma.c: Likewise.
613 * c-typeck.c: Likewise.
614 * combine.c: Likewise.
616 * frame-ia64.c: Likewise.
617 * cppexp.c: Likewise.
618 * crtstuff.c: Likewise.
619 * dbxout.c: Likewise.
620 * dwarf2out.c: Likewise.
621 * dwarfout.c: Likewise.
622 * emit-rtl.c: Likewise.
623 * except.c: Likewise.
626 * frame-dwarf2.c: Likewise.
627 * libgcc2.c: Likewise.
628 * optabs.c: Likewise.
629 * profile.c: Likewise.
630 * sdbout.c: Likewise.
631 * toplev.c: Likewise.
632 * tradcif.y: Likewise.
634 * varasm.c: Likewise.
636 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
638 * builtins.c (expand_builtin_fputs): Use size_one_node when
639 transforming into fwrite.
641 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
643 * extend.texi (Attribute Syntax): New section.
645 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
647 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
648 they didn't need fixing.
650 2001-01-27 Janis Johnson <janis@us.ibm.com>
652 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
654 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
655 to remove macro definitions that are duplicated from elfos.h.
657 2001-01-27 Richard Henderson <rth@redhat.com>
659 * config/i386/sco5gas.h: Move ...
660 * config/usegas.h: ... here.
661 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
663 2001-01-27 Jakub Jelinek <jakub@redhat.com>
665 * c-typeck.c (struct constructor_stack): Add range_stack member.
666 (really_start_incremental_init): Clear it.
667 (push_init_level): Save constructor_range_stack and clear it if
668 pushing explicit braces.
669 (pop_init_level): abort if constructor_range_stack is non-zero at
670 explicit closing brace. Restore saved constructor_range_stack if
673 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
675 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
676 into register was forced into memory.
678 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
680 * Makefile.in: Remove uses of + before $(MAKE).
682 2001-01-26 Richard Henderson <rth@redhat.com>
684 * stmt.c (cost_table): Remove.
685 (COST_TABLE, cost_table_initialized): New.
686 (estimate_case_costs): Use the later instead of the former.
687 (balance_case_nodes): Likewise.
689 2001-01-26 Richard Henderson <rth@redhat.com>
691 * alias.c (objects_must_conflict_p): Read-only slots may not
692 conflict despite having the same type.
694 2001-01-27 Michael Hayes <mhayes@redhat.com>
696 * loop.c (loop_giv_reduce_benefit): Copy mode size into
698 (check_ext_dependant_givs): Initialise u_start_val and
700 (load_mems): Make last_max_reg unsigned.
701 (try_swap_copy_prop): Use INSN_P and initialise set.
703 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
705 * README.AVR : Removed.
707 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
709 * pa-64.h (text_section): Remove declaration.
711 * pa.md (return_internal): Remove mode on PIC register use.
713 2001-01-25 lars brinkhoff <lars@nocrew.org>
715 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
716 ASM_CLOSE_PAREN): fix typos.
718 2001-01-25 Mark Mitchell <mark@codesourcery.com>
720 * acconfig.h: Define `const' to the empty string if neither
721 __STDC__ nor __cplusplus is defined.
722 * config.in: Regenerated.
724 2001-01-25 David Edelsohn <edelsohn@gnu.org>
726 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
727 * collect2.c (main): Delete importf. Add ".obj" file extension.
728 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
729 (aix_std_libs): Add additional AIX libraries to skip.
730 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
731 * config/rs6000/aix51.h: New file.
733 2001-01-25 Michael Hayes <mhayes@redhat.com>
735 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
736 (loop_insn_emit_before): No longer static.
737 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
738 (loop_givs_rescan, load_mems): Likewise.
739 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
740 (maybe_eliminate_biv_1):
741 (move_movables): Replace emit_call_insn_before with
742 loop_call_insn_hoist.
743 * loop.h (loop_insn_emit_before): Add.
744 * unroll.c (copy_loop_body): Replace emit_insn_before with
745 loop_insn_emit_before.
747 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
749 * diagnostic.c (fatal): Request preprocessed source.
751 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
753 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
754 olddecl has argument types and newdecl has none, use the argument
757 2001-01-24 Ulrich Drepper <drepper@redhat.com>
759 * dwarf2out.c (prefix_of): New function. Determine longest common
760 prefix of the two arguments. The units are whole path components.
761 (output_file_names): When adding a new directory find the one entry
762 with the longest common prefix already in the list. Artificially
763 generate entry if there is none for this prefix.
764 Fix test to check whether the zeroth directory entry is used.
766 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
768 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
769 Changed all callers. Take it into account when deciding if a
770 previously loaded value matches.
772 2001-01-24 Richard Henderson <rth@redhat.com>
774 * reload.c (find_reloads_subreg_address): Fail the substitution
775 if the resulting address is insufficiently aligned.
777 2001-01-24 DJ Delorie <dj@redhat.com>
779 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
780 check the original operand's mode also.
781 * simplify-rtx.c (simplify_ternary_operation): Ditto.
783 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
785 * c-parse.in (cast_expr): Move compound literals from here ...
786 (primary): ... to here. Use standard terminology "compound
787 literal" instead of "constructor expression".
789 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
791 * gcc.1, cpp.1: Regenerate.
793 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
795 * calls.c (emit_library_call_value_1): Memory slot for
796 pass-by-reference argument should have the mode of the argument,
797 not of the pointer to it.
799 2001-01-24 Tom Tromey <tromey@redhat.com>
801 * gcc.texi (G++ and GCC): Mention gcj manual.
802 (Standards): Link to section of manual mentioning gcj/Java
805 2001-01-24 Jakub Jelinek <jakub@redhat.com>
807 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
808 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
809 * tradcpp.c (main): Add -imacros or -include'd dependencies
811 * cpp.texi (-M, -MM): Document -M -include behaviour.
813 2001-01-24 Roger Collins <roger@ProProject.com>
815 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
817 2001-01-24 Will Cohen <wcohen@redhat.com>
819 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
820 whether registers are 32 bits or 64 bits in size.
822 2001-01-24 Ben Elliston <bje@redhat.com>
824 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
826 2001-01-24 Richard Henderson <rth@redhat.com>
828 * config/alpha/alpha.md (builtin_longjmp_internal): New.
829 (builtin_longjmp): Use it instead of emit_indirect_jump.
831 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
833 * bb-reorder.c (make_reorder_chain_1): Handle case where
834 jump edge goes to the same block as the fallthru edge.
836 2001-01-23 Jim Wilson <wilson@redhat.com>
838 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
839 * frame.h (__ia64_personality_v1): Add prototype.
840 * libgcc2.c (ia64_throw_helper): Change personality declaration to
841 prototype form. Add void * cast to first argument to personality
843 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
844 (asctoe113): Likewise.
845 * config/ia64/frame-ia64.c: Include eh-common.h.
846 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
848 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
850 (itanium_split_issue): Add prototype.
851 (gen_nop_type): Ifdef out.
852 (find_best_packet): Initialize best_packet.
853 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
855 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
856 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
857 (flushrs): Add explicit stop bit at end.
858 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
861 2001-01-23 Chris Demetriou <cgd@broadcom.com>
863 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
865 * libgcc2.c (__terminate_func): Make variable static.
866 (__terminate_set_func): New function to set __terminate_func.
867 * libgcc2.h (__terminate_func_ptr): New typedef.
868 (__terminate_set_func): New function.
870 2001-01-23 Richard Henderson <rth@redhat.com>
872 * flow.c (init_propagate_block_info): Don't consider unchanging
873 memories for dead frame store elimination.
875 2001-01-23 Richard Henderson <rth@redhat.com>
877 * varasm.c (UNIQUE_SECTION): Move default implementation ...
878 * defaults.h: ... here.
880 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
882 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
884 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
886 * c-lex.c (lex_charconst): Fix typo: s/p/str.
888 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
890 * rs6000.h (rs6000_return_addr): Move prototype from here...
891 * rs6000-protos.h (rs6000_return_addr): ...to here.
892 (rs6000_init_expanders): Delete prototype.
894 2001-01-23 Nick Clifton <nickc@redhat.com>
896 * invoke.texi: Replace , with \, inside @gccoptlist macros.
897 (Spec Files): Document %B and %j and %. and %v3 and %M and
898 %{S*&T} spec switches.
900 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
902 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
904 2001-01-23 Chris Demetriou <cgd@sibyte.com>
905 Neil Booth <neil@daikokuya.demon.co.uk>
907 * cpperror.c: Merge handlers of PEDWARN and WARNING.
908 Have -Werror make pedantic warnings errors, like the
911 2001-01-23 Phil Edwards <pme@sources.redhat.com>
913 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
915 2001-01-23 Jakub Jelinek <jakub@redhat.com>
917 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
918 * integrate.c (expand_inline_function): Initialize them.
919 (subst_constants): If changing COMPARE so that both its arguments
920 will be VOIDmode and the comparison mode will be lost, note
921 compare_mode. Use the recorded compare_mode to optimize
924 2001-01-23 Jason Merrill <jason@redhat.com>
926 * dwarf2out.c (new_die): Use xcalloc.
927 (output_die): Abort rather than emit a local reference to offset 0.
929 2001-01-17 Andrew Haley <aph@redhat.com>
931 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
932 of a saved register; return NULL instead.
933 (copy_reg): Take a pointer to a source register rather than a
935 (next_stack_level): Remember the address in the stack frame of all
937 Use the saved register pointer array as the source of the CFA.
938 (throw_helper): Rewrite. Unwind once rather than twice and keep
939 track of saved registers as we go.
941 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
943 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
944 * c4x.c (c4x_legitimize_reload_address): Remove.
945 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
946 reload address for ldp(k) insn.
948 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
950 * pa.md (return_internal): Add a USE of the PIC register to ensure
951 it is restored after each call.
952 (return expander): Corresponding changes.
954 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
956 * rs6000.h (INIT_EXPANDERS): Delete.
957 (RETURN_ADDR_RTX): Call rs6000_return_addr().
958 * rs6000.c (rs6000_override_options): Call *_machine_status from
960 (rs6000_init_expanders): ...instead of here. Delete.
961 (rs6000_mark_machine_status): New function.
962 (rs6000_init_machine_status): Use xcalloc.
963 (rs6000_return_addr): Generate RTX for the return address.
964 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
965 (rs6000_stack_info): Use it.
967 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
969 * gthr-win32.h: Include errno.h to get a declaration for
970 EINVAL and _mingw.h if the target is mingw32.
972 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
974 * cpp.texi: Correct typos.
976 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
978 * explow.c (probe_stack_range): Ensure value passed to
979 stack_check_libfunc is ptr_mode, not Pmode.
981 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
983 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
984 case, don't use operand_subword to calculate a SUBREG that is
987 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
989 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
991 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
992 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
993 valid. If not replace it by equivalent insns.
995 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
997 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
998 contains SYMBOL_REF, LABEL_REF and CONST_INT.
999 (c4x_U_constraint, symbolic_address_operand): Likewise.
1000 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
1002 (c4x_r11_set_p, c4x_check_laj_p): New functions.
1003 * c4x-protos.h (c4x_check_laj_p): Add prototype.
1004 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
1005 anulling slot because of silicon bug.
1006 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
1008 2001-01-22 Alan Modra <alan@linuxcare.com.au>
1010 * cppexp.c (parse_charconst): Change `mask' type to agree
1013 2001-01-21 Richard Henderson <rth@redhat.com>
1015 * config/i386/i386.c (ix86_asm_file_end): Disable putting
1016 pic_label_name in a linkonce section.
1018 2001-01-17 Philipp Thomas <pthomas@suse.de>
1020 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
1022 * configure: Regenerate.
1024 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
1026 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
1027 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
1029 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
1031 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
1032 If REVERSE nonzero then condition code in X must be reversed.
1033 (encode_section_info): Optimise if/else.
1034 (avr_function_value): Fix formatting.
1036 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
1037 (difficult_branch): Likewise.
1038 (rvbranch): Likewise.
1039 (difficult_rvbranch): Likewise.
1041 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
1043 * config/avr/libgcc.S: Fix comment.
1045 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
1047 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
1049 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
1051 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
1053 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
1055 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
1056 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
1057 * configure, config.in: Regenerate.
1058 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
1059 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
1060 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
1061 (doprint.o): New rule.
1063 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
1065 * c-typeck.c (digest_init): Handle boolean types as scalars.
1067 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1069 * stmt.c (expand_return): Don't return anything if size is zero.
1070 Delete redundant assignment to BYTES.
1071 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
1073 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
1075 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
1076 the same as the default library function names.
1077 * config/avr/avr.md: Document special characters after '%'.
1078 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
1079 knowing which of the call-used registers are really clobbered.
1080 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
1081 New. Both quotient and remainder from one libgcc.S call.
1082 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
1083 clobber as few registers as possible.
1084 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
1086 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
1088 * cppmacro.c (funlike_invocation_p): Don't move back up to the
1089 context of the top of the stack.
1091 2001-01-20 Jakub Jelinek <jakub@redhat.com>
1093 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
1094 (fixup_var_refs_insns): ...here.
1096 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
1098 * function.c (fixup_var_refs_insns): Break up into
1099 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
1100 [loop over entire insn list], and fixup_var_refs_insns_with_hash
1101 [loop over hash table entries].
1102 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
1103 fixup_var_refs_insns_with_hash, to match above changes.
1105 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
1107 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
1108 (libgcc.a): Likewise.
1109 (stmp-multilib): Likewise.
1110 (STAGE2_FLAGS_TO_PASS): Likewise.
1112 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
1114 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
1115 temporary if no_new_pseudos.
1117 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
1119 * cppinternals.texi: Update.
1121 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
1123 * arm.c (arm_init_builtins): Re-enable builtins.
1125 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1127 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
1128 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
1129 element to be null, and always expect an EXPR_LIST.
1130 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
1131 * sched-deps.c (sched_analyze_1): Likewise.
1132 * sched-rgn.c (check_live_1, update_live_1): Likewise.
1134 * regclass.c (max_set_parallel): New variable.
1135 (reg_scan): Take it into account in computation of max_parallel.
1136 (reg_scan_mark_refs, case SET): Compute it.
1138 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
1140 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
1141 * function.c (assign_parms): Use INTVAL for a CONST_INT.
1143 2001-01-19 Jason Merrill <jason@redhat.com>
1145 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
1146 for the abstract instance of an inline function.
1148 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
1149 J"orn Rennecke <amylaar@redhat.com>
1151 * reload1.c (move2add_note_store): Treat all registers directly or
1152 indirectly derived from a base register as members of the same set
1154 (reload_cse_move2add): Adjust accordingly. Take mode and offset
1155 of base register into account.
1157 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
1159 * alias.c (find_base_value): Recognize TRUNCATE.
1160 (record_set): In PLUS case, invalidate if other summand is also a
1163 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1165 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
1166 entry to be EXPR_LIST.
1167 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
1168 be an EXPR_LIST (but not null, which other code doesn't allow).
1169 (note_stores): Properly handle PARALLEL in SET.
1170 Recursively call for top-level PARALLEL.
1171 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
1172 * sched-rgn.c (check_live_1, update_live_1): Likewise.
1174 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
1176 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
1178 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
1179 not pfile->skipping (== 0).
1181 2001-01-17 Nick Clifton <nickc@redhat.com>
1183 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
1186 2001-01-17 Jim Wilson <wilson@redhat.com>
1188 * invoke.texi (IA-64 options): Improve.
1190 2001-01-17 Tom Tromey <tromey@redhat.com>
1192 * invoke.texi (Optimize Options): Use `{}' to around @samp
1195 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
1197 * invoke.texi (-fno-guess-branch-probability): New option.
1199 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1201 * combine.c (try_combine): Don't set i3_subst_into_i2 for
1202 case of making new double-word constant.
1203 Revert last change: instead just test i3_subst_into_i2.
1205 2001-01-17 Jakub Jelinek <jakub@redhat.com>
1207 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
1208 Use q constraints instead of r.
1210 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
1212 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
1213 (machine_function): Define.
1214 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
1215 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
1216 pa_free_machine_status): New functions.
1217 (override_options): Set {init,mark,free}_machine_status to above.
1218 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
1219 PIC_OFFSET_TABLE_REGNUM_SAVED.
1220 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
1221 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
1222 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
1223 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
1224 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
1226 2001-01-15 DJ Delorie <dj@redhat.com>
1228 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
1232 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1234 * flow.c (propagate_on_insn): Make trying to delete a prologue
1235 or epilogue insn an ICE, not a warning. Allow doing this if
1236 the current function returns with stack pointer depressed.
1238 * combine.c (try_combine): If i3_subst_into_i2, properly check for
1239 I3 having more than one SET.
1241 2001-01-16 Jim Wilson <wilson@redhat.com>
1243 * invoke.texi: Document IA-64 options.
1245 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
1246 (fixup_errata): Delete TARGET_A_STEP use.
1247 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
1248 (TARGET_SWITCHES): Delete -ma-step option.
1249 * config/ia64/ia64.md (all FP patterns): Delete %B0.
1250 (movqicc_astep, movqi_internal_astep, movhicc_astep,
1251 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
1252 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
1253 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
1254 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
1256 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
1257 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
1258 cmovsi_internal): Delete ! TARGET_A_STEP check.
1260 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1262 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
1263 possibility to report bugs via postal mail. Change a URL and
1264 merge in a nearly duplicate statement...
1265 (Bug Reporting): ...from here.
1266 (Service): Refer to the Bug Reporting section instead of
1268 (Contributing): Remove trivial explanations concerning snapshots.
1270 2001-01-16 Alan Modra <alan@linuxcare.com.au>
1272 * cppmain.c (general_init): Don't use ANSI prototype.
1274 2001-01-16 Tom Tromey <tromey@redhat.com>
1276 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
1278 2001-01-16 Richard Henderson <rth@redhat.com>
1280 * config/i386/i386.h: Fix comment typo.
1281 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
1282 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
1284 2001-01-16 Phil Edwards <pme@sources.redhat.com>
1286 * gcc.c: Revert previous -fsyntax-only-related change; move
1289 2001-01-16 Jakub Jelinek <jakub@redhat.com>
1291 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
1292 inmode after checking GET_CODE (op).
1294 2001-01-16 Richard Henderson <rth@redhat.com>
1296 * flow.c (struct propagate_block_info): Add mem_set_list_len.
1297 (MAX_MEM_SET_LIST_LEN): New.
1298 (propagate_one_insn): Update mem_set_list_len.
1299 (invalidate_mems_from_autoinc): Likewise.
1300 (invalidate_mems_from_set): Likewise.
1301 (mark_used_regs): Likewise.
1302 (init_propagate_block_info): Likewise. Stop collecting memories
1303 when we reach MAX_MEM_SET_LIST_LEN.
1304 (mark_set_1): Likewise.
1306 2001-01-16 Richard Henderson <rth@redhat.com>
1308 * unroll.c (precondition_loop_p): Fail if no iteration
1311 2001-01-16 Phil Edwards <pme@sources.redhat.com>
1313 * gcc.c: When -fsyntax-only is given, do not complain about
1316 2001-01-15 Richard Henderson <rth@redhat.com>
1318 * config/i386/i386.c (asm_output_function_prefix): Remove.
1319 (ix86_asm_file_end): New.
1320 (load_pic_register): Generate pic_label_name into a
1321 staticly allocated buffer.
1322 * config/i386/i386-protos.h: Update.
1323 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
1324 (ASM_FILE_END): New.
1325 * config/i386/i386afe.h: New file.
1326 * config.gcc (i?86-*-elf) [tm_file]: Use it.
1327 (i?86-*-{freebsd,linux*,moss*}): Likewise.
1328 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
1329 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
1330 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
1331 * config/i386/sco5.h (ASM_FILE_END): Likewise.
1332 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
1334 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
1336 * Makefile.in (install-man): Remove explicit dependency on
1339 * configure.in, configure: Revert previous patch requiring perl
1342 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
1344 * toplev.c (flag_guess_branch_prob): New.
1345 (f_options): Add guess-branch-probability option.
1346 (rest_of_decl_compilation): Only estimate branch probability if
1348 (main): set flag_guess_branch_prob.
1350 * flags.h (flag_guess_branch_prob): New.
1352 2001-01-15 DJ Delorie <dj@redhat.com>
1354 * gcc.texi (Makefile): Add documentation for Makefile targets.
1356 2001-01-15 Philip Blundell <philb@gnu.org>
1358 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
1360 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
1361 (is_pic): Delete declaration.
1362 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
1363 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
1364 * config/arm/arm.md (builtin_setjmp_receiver): New.
1366 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
1368 * arm.c (use_return_insn): Don't try to determine the function type
1369 until after reload has completed.
1370 (arm_output_epilogue): Don't adjust the sp value recovered from the
1372 (emit_multi_reg_push): Don't record dwarf information for the pc.
1373 * arm.md (eh_epilogue): The function type may have changed, so it
1374 needs to be recalculated.
1375 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
1376 unwind tables on arm/netbsd.
1378 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
1380 * arm.md (cbranchsi4): Correct calculation of branch ranges.
1381 (negated_cbranchsi4): Likewise.
1383 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
1385 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
1386 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
1387 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
1388 pass -mapcs-* options to assembler.
1389 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
1390 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
1391 (ASM_SPEC): Call subtarget_extra_asm_spec.
1393 2001-01-15 Andreas Jaeger <aj@suse.de>
1395 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
1397 (ix86_expand_builtin): Likewise.
1399 * gencodes.c (output_predicate_decls): Make i size_t to avoid
1400 warning about comparison between signed and unsigned.
1402 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
1404 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
1406 2001-01-14 Ralf Baechle <ralf@gnu.org>
1408 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
1409 SUBTARGET_CPP_SPEC apropriatly.
1411 2001-01-12 Mark Mitchell <mark@codesourcery.com>
1413 * varasm.c (make_decl_rtl): Fix typo in last change.
1415 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
1417 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
1418 linker supports the init_priority C++ attribute.
1419 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
1420 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
1421 linker does not support init_priority C++ attribute.
1423 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
1425 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
1427 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
1429 * c-parse.in (finish_parse): Add comment about cpp_destroy.
1430 * cp/lex.c (finish_parse): Similarly.
1431 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
1432 Return the number of errors encountered.
1433 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
1434 * cppmain.c (main): Don't call cpp_destroy.
1436 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
1438 * configure.in: Require at least perl 5.6.0 to regenerate
1440 * configure: Regenerate.
1442 2001-01-14 Richard Henderson <rth@redhat.com>
1444 * genrecog.c (DT_veclen_ge): New.
1445 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
1446 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
1447 (nodes_identical_1): Handle DT_veclen_ge.
1448 (write_cond, debug_decision_2): Likewise.
1450 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
1452 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
1454 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
1456 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
1458 * cppmain.c (do_preprocessing): New function; most of the old
1460 (main): Call it to do most of the work.
1461 (cb): Move from global scope to set_callbacks ().
1462 (setup_callbacks): Get the callback pointer.
1463 (general_init, printer_init): Clean up code and comments.
1465 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
1467 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
1470 2001-01-14 Kazu Hirata <kazu@hxi.com>
1472 * config/h8300/h8300.c (get_shift_alg): Update comments.
1474 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1476 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
1477 (alloc_page, ggc_alloc): Add casts to remove warnings.
1479 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
1481 * combine.c (simplify_comparison): Don't change `code' when
1482 can't reverse comparison.
1484 2001-01-14 Richard Henderson <rth@redhat.com>
1486 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
1487 update all call sites. Return true for all non-label constants.
1489 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
1491 * i386.c (ix86_expand_compare): Add bypass_test and second_test
1493 (ix86_expand_branch): Update.
1494 (ix86_expand_setcc): Update to handle multiple test conditions.
1495 (expand_int_movcc): Likewise.
1496 (expand_fp_movcc): Likewise.
1497 * i386-protos.h (ix86_expand_compare): New.
1498 * i386.md (andqi_?_slp, orqi_?_slp): New.
1499 (conditional trap expander): Update call to ix86_expand_compare.
1501 2001-01-14 Richard Henderson <rth@redhat.com>
1503 * config/vax/vax.md: Use nonimmediate_operand instead of
1504 general_operand in destinations.
1506 * config/vax/vax.md (indirect_jump): Use register_operand.
1508 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
1509 * config/vax/vax.md (call_pop): Turn into an expander.
1510 (call_value_pop): Likewise.
1511 (call, call_value): New.
1513 2001-01-14 Andreas Jaeger <aj@suse.de>
1515 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
1517 (ix86_fp_compare_mode): Add unused attribute.
1518 (ix86_expand_fp_movcc): Remove unused variable.
1519 (ix86_expand_builtin): Make fcode unsigned.
1521 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
1522 (expand_expr): Add cast to avoid signed warning.
1523 (store_field): Likewise.
1524 (store_constructor_field): Likewise.
1525 (store_constructor): Likewise.
1526 (store_expr): Likewise.
1527 (clear_storage): Likewise.
1528 (emit_group_store): Likewise.
1529 (emit_group_load): Likewise.
1531 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
1533 * c-common.c: Move format checking code to ...
1534 * c-format.c: ... here. New file. Reorder some functions and
1536 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
1538 * c-common.h (decl_handle_format_attribute,
1539 decl_handle_format_arg_attribute): Declare.
1540 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
1541 (c-common.o): Adjust dependencies.
1542 (c-format.o): New list of dependencies.
1544 2001-01-13 Jakub Jelinek <jakub@redhat.com>
1546 * unroll.c (loop_iterations): If we cannot prove iteration variable
1547 is set once in each iteration, punt.
1549 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
1551 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
1552 (*strlenhi): Remove clobber (which was buggy) of output address.
1554 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
1556 * Makefile.in (generated-manpages): Add gcc.1
1557 ($(srcdir)/gcc.1): New target.
1558 (maintainer-clean): Delete $(srcdir)/gcc.1.
1559 * gcc.texi: Add macros @gccoptlist and @gol.
1560 * invoke.texi: Include option summary in manpage. Mark up option
1561 summary with @gccoptlist and @gol. Use @r in one place where
1563 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
1564 * gcc.1: Generate from invoke.texi.
1566 2001-01-13 Richard Henderson <rth@redhat.com>
1568 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
1569 (struct page_entry): Add group member.
1570 (struct page_group): New.
1571 (struct globals): Add page_groups member.
1572 (alloc_anon): Only define for using mmap; remove valloc call.
1573 (page_group_index): New.
1574 (set_page_group_in_use): New.
1575 (clear_page_group_in_use): New.
1576 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
1577 (free_page, release_pages): Likewise.
1578 * configure.in (with-gc): Default to ggc-page always.
1580 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
1582 * reload1.c (replace_pseudos_in_call_usage): Use
1583 reg_equiv_constant and reg_equiv_address, and don't try
1584 regno_reg_rtx first.
1586 2001-01-13 Richard Henderson <rth@redhat.com>
1588 * ggc-page.c (alloc_page): Round up allocation size to one page.
1589 Set e->order on extra pages.
1591 2001-01-13 Richard Henderson <rth@redhat.com>
1593 * genrecog.c (nodes_identical): Expand commentary.
1594 (write_switch): Watch out for identical nodes.
1596 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
1598 * cppfiles.c (_cpp_fake_include): New function.
1599 * cpphash.h (_cpp_fake_include): New.
1600 * cpplib.c (do_line): Call _cpp_fake_include when entering
1601 header files in preprocessed input.
1602 * cppmain.c (cb_pragma_implementation): Remove handling.
1603 (setup_callbacks): Don't register pragmas.
1605 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
1607 * extend.texi: Udate for CPP.
1609 2001-01-13 Andreas Jaeger <aj@suse.de>
1611 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
1613 * regmove.c: Add prototype for replace_in_call_usage.
1615 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
1617 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
1618 struct cpp_chunk, struct htab, struct toklist,
1619 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
1620 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
1621 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
1622 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
1623 (struct macro_args): Delete.
1624 * cpphash.h: See above.
1626 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
1628 * cppmain.c (struct printer): Remove no_line_dirs.
1630 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
1631 : Use options rather than CPP_OPTION.
1632 (setup_callbacks): Use cb rather than pfile->cb.
1633 (main): No need to check for a buffer. Use cpp_errors.
1634 (printer_init): Don't set no_line_dirs.
1635 (maybe_print_line): Use options not no_line_dirs.
1636 (cb_file_change): Don't call print_line if -P.
1638 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
1640 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
1642 * c-parse.in (finish_parse): Use cpp_errors.
1643 (__yylex): Use return value of cpp_pop_buffer.
1644 * cp/lex.c (finish_parse): Use cpp_errors.
1645 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
1647 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
1649 * README.AVR: URLs corrected.
1651 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1653 * c-decl.c (start_function): Don't warn if old prototype is builtin
1654 that's not in C's namespace.
1655 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
1656 (_bb): Add prototype for ctime.
1657 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
1659 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
1661 * i386.c (ix86_fp_comparison_arithmetics_cost,
1662 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
1663 ix86_fp_comparison_cost): New functions.
1664 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
1665 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
1666 two-branch sequences; make static.
1667 (ix86_use_fcomi_compare): Do decision according to the costs.
1668 (split_fp_branch): New.
1669 * i386.md (compare-and-branch patterns): Use split_fp_branch.
1670 * i386-protos.h (ix86_expand_fp_compare): Remove
1671 (ix86_split_fp_branch): Declare.
1673 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
1674 and ix86_comparison_operator.
1676 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
1679 * i386.c (put_condition_code): Output properly the unordered/ordered
1680 compares in fp case.
1681 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
1683 * tm.texi (REVERSE_CONDITION): Document.
1684 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
1685 in -ffast-math mode.
1686 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
1688 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
1690 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
1692 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
1695 * config/sh/sh.c (mova_p): Fix test for mova_const.
1697 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
1699 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
1700 cpp_get_options rather than dereferencing pfile and using
1702 * scan-decls.c (scan_decls): Use return value of
1703 cpp_pop_buffer rather than CPP_BUFFER.
1705 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
1707 * cppinit.c (cpp_handle_option): help_only is now part of the
1708 cpp_options structure.
1709 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
1710 cpp_set_callbacks): New functions.
1711 * cpplib.h (cpp_callbacks): Break out as a named structure.
1712 (cpp_options): Move help_only here from cpp_reader.
1713 (CPP_FATAL_ERRORS): Update to use cpp_errors.
1714 (cpp_errors, cpp_get_options, cpp_get_callbacks,
1715 cpp_set_callbacks): New prototypes.
1716 * cppmain.c (main): Update for help_only.
1718 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
1720 * Makefile.in (info, maintainer-clean, install-info, uninstall):
1721 Also build and remove and install and uninstall c-tree.info and
1723 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
1724 ($(srcdir)/cppinternals.info): New target.
1725 * c-tree.texi: Change file name used when makeinfo used without -o
1726 from ir.info to c-tree.info. Add info directory entry.
1727 * cppinternals.texi: Add info directory entry.
1728 * .cvsignore: Update.
1730 2001-01-12 Jakub Jelinek <jakub@redhat.com>
1732 * c-typeck.c (store_init_value): Don't require constant initializer
1733 elements with -pedantic -std=c99.
1734 (digest_init): Change error about non-constant initializer elements
1736 (constructor_range_end): Remove.
1737 (constructor_incremental, designator_depth,
1738 designator_errorneous): New variables.
1739 (struct constructor_stack): Remove range_end, add incremental.
1740 (struct constructor_range_stack, constructor_range_stack): New.
1741 (struct initializer_stack): Add constructor_range_stack.
1742 (finish_init): Set it.
1743 (start_init): Likewise. require_constant_elements for non-static
1744 trees only if not flag_isoc99.
1745 (really_start_incremental_init): Remove constructor_range_end, add
1746 constructor_incremental.
1747 (pop_init_level): Likewise.
1748 (push_init_level): Likewise. If implicit and the subobject had some
1749 value set already, preinitialize the level with it.
1750 Warn about missing braces only if not pushing due to designators.
1751 (set_designator, push_range_stack): New functions.
1752 (set_init_label): Use them.
1753 (set_init_index): Likewise. Remove constructor_range_end.
1754 Error if designator index is outside of array bounds.
1755 (add_pending_init): Compare values of purpose index trees, not the
1756 trees themselves. Allow overwriting of already initialized element.
1757 Issue a warning if it had side-effects.
1758 (set_nonincremental_init, set_nonincremental_init_from_string): New
1760 (pending_init_member): Rename to...
1761 (find_init_member): ...this function. Call set_nonincremental_init
1762 if necessary. Compare values of purpose index trees, not the trees
1763 themselves. Return the actual value, not just non-zero if something
1765 (output_init_element): Remove checks for duplicates.
1766 If field has zero size, only check the initializer for correctness.
1767 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
1768 if constructor_incremental is zero. Change error about initializers
1769 not computable at load time into pedwarn.
1770 (output_pending_init_elements): Compare bit positions, not
1771 FIELD_DECLs to take into account zero-sized fields.
1772 (process_init_element): Use constructor_range_stack to fill all
1773 ranges in the designator lists from current level up.
1774 * extend.texi: Update documentation for labeled elements.
1776 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
1778 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
1779 to function usage for arguments passed by reference. Optimize
1780 callee-copied arguments.
1781 * regmove.c (replace_in_call_usage): New function.
1782 (fixup_match_1): Call it.
1783 * cse.c (cse_insn): Canonicalize registers in function usage.
1784 * reload1.c (replace_pseudos_in_call_usage): New function.
1787 * Makefile.in: Reverted yesterday's wrong patch. Installed the
1790 2001-01-12 Jakub Jelinek <jakub@redhat.com>
1792 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
1795 2001-01-12 DJ Delorie <dj@redhat.com>
1797 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
1798 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
1801 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
1803 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
1804 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
1805 -std options alongside references to -ansi. Update some
1806 documentation for C99.
1807 * cpp.1: Regenerate.
1809 2001-01-12 Andreas Jaeger <aj@suse.de>
1811 * haifa-sched.c (restore_line_notes): Remove argument block B
1813 * sched-ebb.c (schedule_ebb): Change caller.
1814 * sched-rgn.c (schedule_region): Likewise.
1815 * sched-int.h (restore_line_notes): Adjust prototype.
1817 * loop.h: Remove wrong declaration of doloop_condition_get.
1819 2001-01-12 Phil Edwards <pme@sources.redhat.com>
1821 * extend.texi: Move C++-extension-related node from the C section
1822 into the C++ section.
1824 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
1826 * extend.texi: Refer to an array of pointers to functions instead
1827 of one of functions.
1829 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
1830 Jan Hubicka <jh@suse.cz>
1832 * combine.c (reversed_comparison): Fix typo in last patch.
1834 (combine_reversed_comparison_code): Make static to follow
1835 prototype declaration.
1837 2001-01-12 Phil Edwards <pme@sources.redhat.com>
1839 * install.texi: Remove misplaced duplicate entry.
1841 2001-01-11 Ulrich Drepper <drepper@redhat.com>
1843 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
1845 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
1847 * final.c: (leaf_function_p): Fix typo.
1849 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
1851 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
1852 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
1854 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
1855 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
1856 mmap_anon, and valloc is available.
1857 * ggc-page.c: Restructure ifdef logic to match new autoconf
1858 spec. Don't throw away the test page in init_ggc.
1860 * configure, config.in: Regenerate.
1862 2001-01-12 Michael Hayes <mhayes@redhat.com>
1864 * loop.h (total_biv_increment): Constify iv_class pointer.
1865 (struct induction): Replace `mem_mode' with `mem' rtx.
1866 * unroll.c (total_biv_increment): Constify iv_class pointer.
1867 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
1868 (find_mem_givs, combine_givs_p): Likewise.
1869 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
1871 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
1873 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
1875 (__gthread_getspecific): Ditto.
1877 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
1879 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
1880 put_condition_code): Convert fp comparison codes to integer
1882 (ix86_expand_fp_compare): Postnote the fp comparison code converison
1885 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
1886 * i386-protos.h (no_comparison_operator): Kill.
1888 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
1890 * combine.c (REVERSIBLE_CC_MODE): Remove.
1891 (reversible_comparison_p): Remove.
1892 (combine_reversed_comparison_code): New.
1893 (reversed_comparison): New.
1894 (combine_simplify_rtx): Use
1895 combine_reversed_comparison_code/reversed_comparison instead
1896 of reversible_comparison_p.
1897 (simplify_if_then_else): Likewise.
1898 (simplify_set): Likewise.
1899 (simplify_logical): Likewise.
1900 (if_then_else_cond): Likewise.
1901 (known_cond): Likewise.
1902 (simplify_comparison): Likewise.
1904 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
1906 * builtins.c (std_expand_builtin_va_start): Handle varargs when
1907 sizeof (int) is larger than sizeof(__word__).
1909 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
1911 * cppinit.c (do_includes): Fix typo.
1913 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1915 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
1916 in S_REGS does not occur because not all sources are possible
1917 when a S_REGS is a destination (sometimes needs a clobber).
1918 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
1919 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
1920 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
1921 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
1922 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
1923 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
1924 (lshrdi_const1, lshrsi3_const16): Likewise.
1925 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
1926 (*movhi_68hc12, *movqi_68hc12): Likewise.
1927 (movstrictqi): Make sure reloading in D_REGS as a destination
1930 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
1932 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
1934 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
1936 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
1937 -D, -U and -A, and don't initialize the builtins.
1938 (do_includes): Error if -include or -imacros with -fpreprocessed.
1939 * cppmain.c (cb_define, cb_undef): Unconditionally process
1941 * tradcpp.c (main): Fix typo.
1943 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
1945 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
1946 (read_name_map): Use IS_ABSOLUTE_PATH.
1947 * tradcpp.c (get_filename): Likewise.
1949 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1951 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
1952 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
1953 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
1954 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
1955 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
1956 (cmphi_z_used): Don't use '@' for the output.
1957 (tstqi_z_used): Likewise.
1958 (cmpqi_z_used): Likewise.
1959 (one_cmplsi2): Likewise.
1961 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
1963 * config/sh/sh.c (barrier_align): Recognize branch around far
1964 branch and redundant insn.
1966 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
1968 * invoke.texi: Restore documentation of the drivers' switches -MD
1971 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
1973 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
1975 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
1976 check-objc//%): Support parallel testing of multilibs.
1977 (TESTSUITEDIR): Set to testsuite by default, but override for
1979 (check-gcc, check-g++, check-g77, check-objc): Enter
1982 2001-01-11 Bernd Schmidt <bernds@redhat.com>
1984 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
1985 * sched-deps.c (deps_may_trap_p): Likewise.
1986 * basic-block.h: Remove a comment.
1987 * flow.c (PROP_POSTRELOAD): Remove.
1988 (update_life_info): Don't add it to prop_flags.
1989 (mark_set_1): Lose the code that was enabled by it.
1991 2001-01-11 Michael Hayes <mhayes@redhat.com>
1993 * flow.c (flow_call_edges_add): New.
1994 * basic_block.h (flow_call_edges_add): New.
1996 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
1998 * reload1.c (move2add_note_store): Update reg_set_luid even if
1999 base reg remains the same.
2001 2001-01-10 Nick Clifton <nickc@redhat.com>
2003 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
2004 machine_function structure to zero.
2005 Add prototypes for machine_status functions.
2007 2001-01-10 Mark Mitchell <mark@codesourcery.com>
2009 * c-common.h (CTI_VOID_LIST): Remove.
2010 (void_list_node): Likewise.
2011 * tree.h (TI_VOID_LIST_NODE): New enumeral.
2012 (void_list_node): New macro.
2013 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
2014 * config/i386/i386.c (ix86_init_builtins): Likewise.
2015 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
2017 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
2019 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
2020 * cppinit.c (cpp_start_read): Update comment, remove unneeded
2022 * tradcpp.c: Include mkdeps.h.
2023 (deps, print_deps_phony_targets, deps_append, output_deps,
2024 init_dependency_output, output_deps): New.
2025 (deps_buffer, deps_allocated_size, deps_size, deps_column,
2026 deps_output): Delete.
2027 (print_deps_missing_files): Rename deps_missing_files.
2028 (inhibit_output): Make global.
2029 (main): Delete inhibit_output, deps_stream, deps_target.
2030 Use mkdeps functionality in the same way as cpplib. Remove
2031 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
2032 -M and -MM. Remove old handling of deps via deps_out, and
2033 old reading of environment variables.
2034 (get_filename): Update to use deps_add_dep.
2036 2001-01-10 Mark Mitchell <mark@codesourcery.com>
2038 * output.h (make_function_rtl): Remove prototype.
2039 (make_decl_rtl): Likewise.
2040 * varasm.c (make_function_rtl): Remove.
2041 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
2042 than from a third parameter.
2043 * tree.h (make_decl_rtl): Remove last parameter.
2044 * c-decl.c (builtin_function): Remove last argument in call to
2045 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
2046 (start_function): Likewise.
2047 * except.c (call_get_eh_context): Likewise.
2048 * expr.c (emit_block_move): Likewise.
2049 (clear_storage): Likewise.
2050 * profile.c (output_func_start_profiler): Likewise.
2051 * toplev.c (rest_of_decl_compilation): Likewise.
2052 * objc/objc-act.c (create_builtin_decl): Likewise.
2053 (synth_module_prologue): Likewise.
2054 (generate_static_reference): Likewise.
2055 (build_selector_reference_decl): Likewise.
2056 (build_class_reference_decl): Likewise.
2057 (build_objc_string_decl): Likewise.
2058 (build_protocol_reference): Likewise.
2060 2001-01-10 Richard Henderson <rth@redhat.com>
2062 * hwint.h: Revert yesterday's change.
2064 2001-01-10 Nick Clifton <nickc@redhat.com>
2066 * function.h (save_machine_status): Delete.
2067 (restore_machine_status): Delete.
2068 Amend comment describing {init|mark|free}_machine_status.
2070 * function.c (save_machine_status): Delete.
2071 (restore_machine_status): Delete.
2072 Amend comment describing {init|mark|free}_machine_status.
2073 (push_function_context_to): Remove invocation of
2074 save_machine_status.
2075 (pop_function_context_from): Remove invocation of
2076 restore_machine_status.
2078 * emit-rtl.c (init_emit_once): Amend comment describing
2079 {init|mark|free}_machine_status.
2081 * tm.texi (Per-Function Data): New node. Describe the
2082 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
2085 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
2087 * cppinit.c (OPT_g): Remove.
2088 (cpp_handle_option): Update for removed -g3.
2089 (print_help): Update.
2090 * cpplib.h (struct cpp_options): Remove debug_output.
2091 * cppmain.c (setup_callbacks, cb_define): Update.
2092 * gcc.c (cpp_options): Translate -g3 to -dD.
2094 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
2096 * config/i960/i960.md: Change modifier to + on the zero_extract
2097 pattern after the (rotate -2 reg) canonicalization pattern.
2099 2001-01-10 Richard Henderson <rth@redhat.com>
2101 * config/alpha/alpha.c (alpha_free_machine_status): New.
2102 (override_options): Install it.
2103 (alpha_mark_machine_status): Verify machine non-null.
2104 * config/i386/i386.c (ix86_free_machine_status): New.
2105 (override_options): Install it.
2106 (ix86_init_machine_status): Use xcalloc.
2107 (ix86_mark_machine_status): Verify machine non-null.
2108 * config/ia64/ia64.c (ia64_free_machine_status): New.
2109 (ia64_override_options): Install it.
2110 (ia64_mark_machine_status): Verify machine non-null.
2112 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
2114 * function.c (instantiate_virtual_regs): Instantiate virtual
2115 registers found in CALL_INSN_FUNCTION_USAGE.
2117 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
2119 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
2120 equivalent to -ansi in disabling -Di386.
2122 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
2124 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
2126 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
2128 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
2130 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
2132 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
2134 * invoke.texi: Document that -fcond-mismatch isn't supported for
2137 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
2139 * gcc.texi: Define macro gcctabopt.
2140 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
2141 @command, @env and @option in some places where appropriate. Use
2142 @gcctabopt where appropriate. Put URLs and email addresses inside
2145 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
2147 * gcc.c (cpp_options): Set MD file name from output
2148 filename, if specified.
2149 (suffix_subst): New static variable.
2150 (do_spec): Clear it.
2151 (do_spec_1, case '.'): Handle new `%.suffix' spec.
2153 (give_switch): Handle suffix_subst.
2155 2001-01-10 Phil Edwards <pme@sources.redhat.com>
2157 * invoke.texi: Fix another typo.
2159 2001-01-10 Phil Edwards <pme@sources.redhat.com>
2161 * invoke.texi: Fix typo.
2163 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
2165 * c-lang.c (lang_hooks): Update.
2166 (lang_decode_option): Remove.
2167 (lang_init_options): Rename c_init_options.
2168 * toplev.c (main): Use lang_hooks for lang_init_options
2169 and lang_decode_option.
2170 * toplev.h (lang_hooks): Add 2 new hooks.
2171 * tree.h: Remove lang_init_options and lang_decode_option.
2172 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
2173 * cp/decl2.c: Similarly.
2174 * cp/lex.c (lang_init_options): Rename cxx_init_options.
2175 (lang_hooks): Update.
2176 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
2178 (lang_init_options): Rename ffe_init_options.
2179 (lang_hooks): Update.
2180 (lang_decode_option): Remove.
2181 * java/lang.c (lang_init_options): Rename java_init_options.
2182 (lang_decode_option): Rename java_decode_option.
2183 (lang_hooks): Update.
2184 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
2185 (lang_decode_option): Rename objc_decode_option.
2186 (lang_hooks): Update.
2188 2001-01-09 Nick Clifton <nickc@redhat.com>
2190 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
2191 (d30v_return_addr_rtx): Delete.
2192 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
2193 cfun->machine structure.
2194 (struct machine_function): Move to d30v.h
2195 (d30v_save_machine_status): Delete.
2196 (d30v_restore_machine_status): Delete.
2197 (d30v_init_machine_status): New Function.
2198 (d30v_mark_machine_status): New Function.
2199 (d30v_free_machine_status): New Function.
2200 (d30v_init_expanders): Use new functions.
2201 (d30v_return_addr): Use ra_rtx field in cfun->machine.
2202 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
2203 d30v_return_addr_rtx.
2205 * config/d30v/d30v.h (struct_machine): Move here.
2206 Add eh_epilogue_sp_ofs field.
2208 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
2209 field in cfun->machine structure.
2211 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
2213 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
2214 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
2215 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
2217 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
2219 * objc/lang-options.h: Remove bogus reference to
2222 2001-01-09 Kazu Hirata <kazu@hxi.com>
2224 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
2227 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
2229 * reload.c (find_reloads_address): Check for eliminable registers
2230 when substituting a constant expression for a pseudo.
2232 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
2234 * c-common.c (enum format_type): Add format_type_error.
2235 (decode_format_type): New function.
2236 (decl_attributes): Use it.
2237 (format_kind_info): Adjust comment.
2239 2001-01-09 David O'Brien <obrien@BSDi.com>
2241 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
2242 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
2244 * config/i386/gnu.h: Don't include required platform specific .h files,
2245 tm.h will do it instead.
2246 * config/i386/i386elf.h: Likewise.
2247 * config/i386/linux.h: Likewise.
2248 * config/i386/moss.h: Likewise.
2249 * config/mips/gnu.h: Likewise.
2251 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2253 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
2254 (rs6000-ibm-aix3.[01]*): Likewise.
2255 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
2256 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
2257 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
2258 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
2259 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
2260 (powerpc-*-eabiaix*): Likewise.
2261 (powerpc-*-eabisim*): Likewise.
2262 (powerpc-*-elf*): Likewise.
2263 (powerpc-*-eabi*): Likewise.
2264 (powerpc-*-rtems*): Likewise.
2265 (powerpc-*-linux*libc1): Likewise.
2266 (powerpc-*-linux*): Likewise.
2267 (powerpc-wrs-vxworks*): Likewise.
2268 (powerpcle-wrs-vxworks*): Likewise.
2269 (powerpcle-*-sysv*): Likewise.
2270 (powerpcle-*-elf*): Likewise.
2271 (powerpcle-*-eabisim*): Likewise.
2272 (powerpcle-*-eabi*): Likewise.
2273 (powerpcle-*-solaris2*): Likewise.
2274 * config/rs6000/aix31.h: Delete includes.
2275 * config/rs6000/aix3newas.h: Likewise.
2276 * config/rs6000/aix41.h: Likewise.
2277 * config/rs6000/aix43.h: Likewise.
2278 * config/rs6000/beos.h: Likewise.
2279 * config/rs6000/rtems.h: Likewise.
2280 * config/rs6000/sysv4.h: Likewise.
2282 2001-01-09 Kazu Hirata <kazu@hxi.com>
2284 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
2285 Change an argument mode of machine_mode to shift_mode of
2286 shift_mode. Remove an extra error check.
2287 (emit_a_shift): Adopt to the new calling prototype of
2289 (function_prologue): Fix code for a monitor
2290 function. Support H8/S.
2291 (function_epilogue): Do not output pop for a monitor function.
2293 2001-01-09 Nick Clifton <nickc@redhat.com>
2295 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
2296 (setup_incoming_varargs): Use sysv_varargs_p field of the
2297 cfun->machine structure.
2298 (struct machine_function): Move to rs6000.h
2299 (rs6000_save_machine_status): Delete.
2300 (rs6000_restore_machine_status): Delete.
2301 (rs6000_init_machine_status): New Function.
2302 (rs6000_free_machine_status): New Function.
2303 (rs6000_init_expanders): Use new functions.
2305 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
2307 (struct machine_function): Move here.
2309 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
2310 sysv_varargs_p field of the cfun->machine structure.
2312 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
2314 (rs6000_restore_machine_status): Remove prototype.
2316 2001-01-09 Richard Henderson <rth@redhat.com>
2318 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
2319 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
2320 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
2321 (sched_analyze_2, sched_analyze_insn): Likewise.
2322 (sched_analyze, init_deps): Likewise.
2323 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
2324 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
2325 (compute_block_backward_dependences): Update propagate_deps call.
2327 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
2329 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
2331 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
2333 * cppinit.c (OPT_MD, OPT_MMD): Restore.
2334 (cpp_handle_option): Handle them.
2335 (cpp_post_options): Ensure one of -M or -MM is specified with
2336 any other -M? option.
2337 (init_dependency_output): Suppress output with -MG.
2339 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
2342 * invoke.texi: Update.
2344 2001-01-09 Bernd Schmidt <bernds@redhat.com>
2346 * sh.md (reload_outsf): Generate recognizable patterns for
2349 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
2351 * c-lang.c (lang_hooks): Update.
2352 (lang_init): Rename c_init.
2353 (lang_finish): Remove.
2354 * toplev.c (compile_file): Use lang_hooks for lang_init ()
2356 * toplev.h (lang_hooks): Add init () and finish ().
2357 * tree.h (lang_init, lang_finish): Remove.
2358 * cp/tree.h (lang_init, lang_finish): Remove.
2359 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
2360 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
2362 (lang_init, lang_finish): Remove.
2363 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
2364 (lang_hooks): Update.
2365 * java/lang.c (lang_init): Rename java_init.
2366 (lang_finish): Remove.
2367 (lang_hooks): Update.
2368 * objc/objc-act.c (lang_init): Rename objc_init.
2369 (lang_finish): Remove.
2370 (lang_hoooks): Update.
2372 20001-01-09 Graham Stott <grahams@redhat.com>
2374 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
2375 after `ptr` is initialised.
2377 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
2379 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
2380 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
2381 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
2382 stack adjusts, instead of r3.
2384 2001-01-09 Michael Hayes <mhayes@redhat.com>
2386 * flow.c (flow_loop_scan): Break out of ...
2387 (flow_loops_find) ... here.
2388 * basic-block.h (flow_loop_scan): New.
2389 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
2390 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
2392 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
2394 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
2396 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
2397 realloc()ing macro_buffer.
2399 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
2400 if it's wider than long and the target's long is wider than the
2403 2001-01-09 Mark Mitchell <mark@codesourcery.com>
2405 Remove support for using UWIN as a host machine.
2406 * configure.in: Issue an error message.
2407 * configure: Regenerated.
2408 * config.gcc: Remove xm_* UWIN configury.
2409 * config/i386/xm-uwin.h: Remove.
2411 2001-01-08 Nick Clifton <nickc@redhat.com>
2413 * config/v850/v850.c (ra_rtx): Delete.
2414 (v850_save_machine_status): Delete.
2415 (v850_restore_machine_status): Delete.
2416 (v850_init_machine_status): New function.
2417 (v850_mark_machine_status): New function.
2418 (v850_free_machine_status): New function.
2419 (v850_return_addr): Use ra_rtx field in machine structure.
2420 (v850_init_expanders): Use new functions.
2422 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
2423 * config/v850/v850.c: Change arguments to v850_output+* functions
2424 to take a const char *, to avoid compile time warning.
2425 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
2426 (USER_LABEL_PREFIX): Redefine.
2428 2000-01-08 Jim Wilson <wilson@redhat.com>
2430 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
2431 1 to unsigned HOST_WIDE_INT before left shift.
2433 2001-01-08 Nick Clifton <nickc@redhat.com>
2435 * config/arm/arm.c (arm_mark_machine_status): Check to see if
2436 the machine structure has been allocated.
2437 (arm_free_machine_status): New function: Free the machine
2438 specific function structure.
2440 2001-01-08 Richard Henderson <rth@redhat.com>
2442 * jump.c (simplejump_p): Revert last change.
2444 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
2446 * cppinit.c (init): Rename init_library.
2447 (cpp_create_reader): Update.
2448 * gcc.c (cpp_options): If -o given, use it as the target of
2451 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
2453 * arm.c (arm_arch5e): New variable.
2454 (all_cores): XScale is a 5TE device.
2455 (arm_override_options): Set arm_arch5e.
2456 (arm_init_builtins): __builtin_prefetch is in arch5e.
2457 * arm.h (arm_arch5e): Declare it.
2459 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
2461 * arm.md (define_constants): Add defines for UNSPEC and
2462 UNSPEC_VOLATILE insns. Update all users.
2463 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
2464 * arm.c (multi_register_push, note_invalid_constants)
2465 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
2466 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
2467 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
2469 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
2471 * jump.c (jump_optimize_1): Use reversed_comparison_code
2472 instead of can_reverse_comparison_p.
2473 (jump_back_p): Likewise.
2474 (invert_exp_1): Likewise.
2475 (thread_jumps): Likewise.
2476 * simplify-rtx.c (simplify_unary_operation): Likewise.
2477 (simplify_ternary_operation): Likewise.
2478 * cse.c (find_comparison_args): Convert to use
2479 can_reverse_comparison_p.
2480 (record_jump_equiv): Likewise.
2482 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
2484 * arm.h (HARD_REGNO_RENAME_OK): Delete.
2485 (EPILOGUE_USES): Define.
2486 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
2487 automatically stack the LR if it isn't live.
2489 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
2491 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
2494 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
2496 * ggc-page.c (max_alignment): New structure.
2497 (MAX_ALIGNMENT): New macro.
2498 (init_ggc): Use it to round up the sizes in the
2499 extra_order_size_table.
2501 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2503 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
2506 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2508 * builtins.def (BUILT_IN_FPRINTF): New entry.
2510 * c-common.c (c_expand_builtin_fprintf): New function.
2511 (init_function_format_info): Handle __builtin_fprintf.
2512 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
2513 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
2515 * c-decl.c (duplicate_decls): Adjust comment.
2517 * extend.texi (fprintf): Document new builtin.
2519 2001-01-07 Richard Henderson <rth@redhat.com>
2521 * jump.c (simplejump_p): Recognize any single_set jump
2524 2001-01-07 Richard Henderson <rth@redhat.com>
2526 * configure.in (slibdir): Accept an --with-slibdir option.
2527 Use "test" not "[" in configure. Default to $(libdir).
2529 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
2531 * config/t-aix43 (SHLIB_INSTALL): Likewise.
2532 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
2533 (SHLIB_LINK): Create links for the soname.
2534 * config/mips/t-iris6: Likewise.
2535 * config/sparc/t-slibgcc: Likewise.
2536 * config/sparc/t-slibgcc-sld: Likewise.
2538 2001-01-07 Jakub Jelinek <jakub@redhat.com>
2540 * config/i386/i386.c (constant_call_address_operand): Accept
2541 (const (plus (symbol_ref) (const_int))).
2542 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
2543 constant_call_address_operand.
2545 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2547 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
2548 and LONG_LONG_TYPE_SIZE > 32.
2550 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2552 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
2553 the previous change.
2555 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
2557 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
2559 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
2560 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
2561 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
2564 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
2566 * fix-header.c (read_scan_file): s/pfile/scan_in/.
2568 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
2570 * c-lang.c (c_post_options): Call cpp_post_options.
2571 * objc/objc-act.c (objc_post_options): Similarly.
2572 * cppmain.c (main): Similarly.
2573 * fix-header.c (read_scan_file): Similarly.
2574 * cppinit.c (cpp_start_read): Move option consistency checks
2575 to cpp_post_options. Don't call init_dependency_output.
2576 If needed, add default target and main file dependency.
2577 (OPT_MD, OPT_MMD): Remove.
2579 (cpp_handle_option): Update for OPT_* changes.
2580 (cpp_post_options): New.
2581 (init_dependency_output): Command line -MF overrides environment
2582 variables. Don't set default target etc. Suppress output
2583 if dependencies are going to stdout.
2584 (print_help): Update.
2585 * cpplib.h (cpp_post_options): New.
2586 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
2588 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
2590 * jump.c (comparison_dominates_p): Support unordered compares.
2592 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
2594 * simplify-rtx.c (simplify_relational_operation): Always simplify
2595 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
2598 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
2600 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
2601 (nonzero_bits): Likewise.
2602 (simplify_comparison): Likewise.
2603 (num_sign_bit_copies): Likewise; return more sane value depending
2604 on STORE_FLAG_VALUE.
2605 (known_cond): Do not assume EQ to be always true for equivalent
2608 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
2610 * cse.c (fold_rtx): Handle unordered comparisons.
2612 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
2614 * rtlanal.c (set_of_1): New static function.
2615 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
2616 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
2617 reg_set_last_last_regno): Remove.
2618 (set_of): New global function.
2619 (set_of_data): New structure.
2620 (reg_set_p, reg_set_last): Revamp for set_of.
2621 * rtl.h (set_of): New.
2623 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
2625 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
2626 * extend.texi: Document _Exit builtin.
2628 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
2630 * (initialize, initialize_builtins,
2631 initialize_dependency_output, initialize_standard_includes):
2632 Rename s/initialize/init. Update.
2633 (init_dependency_output): Move to after
2634 cpp_handle_options, the correct location temporally at least.
2635 (opt_comp): Move next to init (), its caller. Fix prototype.
2636 (init): Make "initialized" local scope.
2637 (cpp_create_reader): Always call init ().
2638 (cpp_start_read): Update.
2639 (output_deps): New function, broken out of cpp_finish.
2640 (cpp_finish): Break out output_deps.
2642 2001-01-07 Richard Henderson <rth@redhat.com>
2644 * collect2.c (COFF specific stuff): Revert 12-06 patch
2645 to prototype system functions.
2647 2001-01-07 Michael Hayes <mhayes@redhat.com>
2649 * hard-reg-set.h: Add multiple include guard.
2650 * basic-block.h (struct loop): Add `sink' field.
2651 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
2652 (emit_iv_add_mult): Delete.
2653 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
2654 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
2655 (unroll_loop): Remove end_insert_before argument.
2656 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
2657 (maybe_eliminate_biv_1): Likewise.
2658 (emit_iv_add_mult): Delete.
2659 (gen_add_mult, loop_regs_update): New.
2660 (loop_insn_emit_after, loop_insn_emit_before): New.
2661 (loop_insn_sink, loop_insn_sink_or_swim): New.
2662 (emit_iv_add_mult): Delete.
2663 (scan_loop): Set loop->sink.
2664 (loop_givs_reduce): Use loop_insn_sink and its ilk.
2665 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
2666 (maybe_eliminate_biv_1): Likewise.
2667 (maybe_eliminate_biv_1): Add basic block argument.
2668 * unroll.c (unroll_loop): Remove end_insert_before argument.
2669 (find_splittable_regs): Likewise.
2670 (find_splittable_regs): Use loop_insn_sink and its ilk.
2671 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
2673 2001-01-07 Michael Hayes <mhayes@redhat.com>
2675 * loop.h (loop_insn_hoist): New prototype.
2676 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
2677 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
2678 (check_dbra_loop, load_mems): Likewise.
2679 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
2680 (find_splittable_givs): Likewise.
2682 2001-01-07 Michael Hayes <mhayes@redhat.com>
2684 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
2686 2001-01-07 Richard Henderson <rth@redhat.com>
2688 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
2690 2001-01-07 Richard Henderson <rth@redhat.com>
2692 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
2693 NO_SHARED_LIBGCC_MULTILIB as required for the target.
2694 * gcc.c (init_spec): Massage the existing libgcc_spec into a
2695 variant that handles a shared libgcc.
2696 (process_command): Always validate -{static,shared}-libgcc.
2697 (do_spec_1): New 'M' case.
2698 * invoke.text (Link Options): Document -{static,shared}-libgcc.
2700 2001-01-07 Richard Henderson <rth@redhat.com>
2702 * Makefile.in (slibdir): New variable.
2703 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
2704 (installdirs): Create slibdir.
2705 (install-libgcc, install-multilib): Defer to libgcc.mk.
2706 * configure.in (slibdir): Substitute.
2707 * mklibgcc.in (install): New target.
2709 * config/t-linux (SHLIB_LINK): Create links for the soname.
2710 (SHLIB_INSTALL): New.
2711 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
2712 * config/mips/t-iris6 (SHLIB_INSTALL): New.
2713 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
2714 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
2715 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
2717 2001-01-07 Richard Henderson <rth@redhat.com>
2719 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
2720 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
2721 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
2723 2001-01-07 Michael Hayes <mhayes@redhat.com>
2725 * loop.c (count_loop_regs_set): Delete.
2726 (load_mems_and_recount_loop_regs_set): Delete.
2727 (loop_regs_scan): Merge common code from count_loop_regs_set,
2728 scan_loop, and load_mems_and_recount_loop_regs_set.
2729 (scan_loop): Call load_mems directly and loop_regs_scan
2730 again if new registers created.
2732 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
2734 * toplev.c (main): Call the front-end specific post_options
2735 hook if one is given.
2736 * toplev.h (struct_lang_hooks, lang_hooks): New.
2737 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
2738 for the C front end.
2739 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
2740 lang_hooks for the C++ front end.
2741 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
2742 lang_hooks for the ObjC front end.
2743 * f/com.c (lang_hooks): Hooks for the Fortran front end.
2744 * java/lang.c (lang_hooks): Hooks for the Java front end.
2746 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
2748 * c-lex.c (init_c_lex): Request #define / #undef callbacks
2749 for verbose DWARF[2] debugging.
2750 (cb_define, cb_undef): The new callbacks.
2751 * toplev.h (debug_define, debug_undef): Make const correct.
2752 * toplev.c (debug_define, debug_undef): Similarly. Do not
2753 perform the verbosity tests here anymore.
2755 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
2757 * reload.c (subst_reloads): Take INSN argument. When
2758 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
2759 * reload.h (subst_reloads): Adjust prototype.
2760 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
2761 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
2762 present in JUMP_INSNs and copy them to JUMP_LABEL.
2763 * flow.c (find_label_refs, find_basic_blocks_1): Skip
2764 JUMP_INSNs and insns with REG_LABELs that are followed by
2765 JUMP_INSNs with the same REG_LABEL.
2766 * sched-rgn.c (is_cfg_nonregular): Likewise.
2767 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
2769 * unroll.c (unroll_loop): Look for REG_LABEL notes in
2771 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
2773 2001-01-06 Richard Henderson <rth@redhat.com>
2775 * loop.c (scan_loop): Use xcalloc for the regs array.
2776 (load_mems_and_recount_loop_regs_set): Zero the new memory
2777 received from xrealloc.
2779 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
2781 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
2783 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
2785 * integrate.c (copy_rtx_and_substitute): When copying
2786 an ignored return value, strip REG_FUNCTION_VALUE_P.
2788 2001-01-06 Michael Hayes <mhayes@redhat.com>
2790 * loop.c (debug_biv, debug_giv): New.
2791 (loop_biv_dump): Break out from ...
2792 (record_biv): ... here.
2793 (loop_giv_dump): Break out from ...
2794 (record_giv): ... here.
2795 (loop_bivs_check): Use print_simple_rtl.
2796 * unroll.c (loop_iterations): Use print_simple_rtl.
2798 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
2800 * pa.md (return, return_internal): Modify patterns to prevent regrename
2801 mucking with the return pointer.
2803 2001-01-05 Richard Henderson <rth@redhat.com>
2805 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
2807 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
2809 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
2810 version supplied by Matteo Frigo.
2812 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
2814 * cpp.texi: Update for -MQ.
2815 * cppinit.c (cpp_create_reader): Always create pfile->deps.
2816 (cpp_cleanup): Always free pfile->deps.
2817 (initialize_dependency_output): Don't create pfile->deps.
2818 (cpp_handle_option): Similarly.
2820 * gcc.c (cpp_options): Handle -MQ.
2821 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
2822 * mkdeps.c (base_name): Remove.
2823 (deps_init): Don't allocate vector space until it's needed.
2824 (deps_free): Only free vectors if allocated.
2825 (deps_add_target, deps_add_dep): Update for initial allocation.
2826 (deps_add_default_target): Don't strip to the base_name.
2828 2001-01-05 DJ Delorie <dj@redhat.com>
2830 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
2831 (INIT_EXPANDERS): Define.
2833 * config/v850/v850.c (struct machine_function): Define.
2834 (v850_save_machine_status): New function.
2835 (v850_restore_machine_status): New function.
2836 (v850_return_addr): New function.
2837 (v850_init_expanders): New function.
2839 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
2840 and v850_init_expanders.
2842 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
2844 * cpplib.h (struct cpp_reader): Add help_only field.
2845 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
2846 (cpp_handle_option): Set pfile->help_only if we see -h,
2847 --help, -target-help, or --version. Print version string but
2848 do not set help_only if we see -v or -version. Make text
2849 printed by -v match that printed by (-)-version.
2851 * cppmain.c (main): Exit after option parsing if
2852 pfile->help_only is true.
2854 * toplev.c (independent_decode_option): Call print_version,
2855 then exit, if we see --version (but not -version).
2856 (print_version): Split lengthy message into two lines.
2858 2001-01-05 Nick Clifton <nickc@redhat.com>
2860 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
2861 temporary string for initialisation before calling ggc_alloc_string.
2863 2001-01-06 Michael Hayes <mhayes@redhat.com>
2865 * rtl.h (print_simple_rtl): New.
2866 * print-rtl.c (print_simple_rtl): New.
2868 (print_rtx): Disable printing of flags and modes, etc.,
2869 if `flag_simple` nonzero.
2871 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
2873 * function.c (fixup_var_refs): Use push_to_full_sequence where
2876 2001-01-05 Michael Meissner <meissner@redhat.com>
2878 * flags.h (flag_reorder_blocks): Add declaration.
2879 (flag_rename_block): Ditto.
2881 2001-01-05 DJ Delorie <dj@redhat.com>
2883 * function.c (reorder_blocks): Make sure the flags are all reset
2884 before using them to mark blocks, else a second invocation will
2885 corrupt the block chain.
2886 (reorder_blocks_0): New, resets the flags.
2888 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
2890 * cse.c (find_comparison_args): Stop if the argument is known to
2893 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
2895 * config/sh/sh.md (movdf): When splitting load into pair of
2896 registers, don't clobber the register used in the address too
2899 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
2901 * varasm.c (mark_constant_pool): Improve initial comments.
2902 (mark_constants): Move marking of constants to mark_constant.
2903 (mark_constant): New function to recursively mark all constants
2904 referred to by a constant.
2906 2001-01-05 Catherine Moore <clm@redhat.com>
2908 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
2910 2001-01-05 Phil Edwards <pme@sources.redhat.com>
2912 * cp/lang-options.h: Bring comment in line with reality.
2913 * f/lang-options.h: Likewise.
2914 * java/lang-options.h: Likewise.
2915 * objc/lang-options.h: Likewise.
2916 * ch/lang-options.h: Likewise.
2917 * f/g77.texi: And update the manual.
2919 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
2920 Denis Chertykov <denisc@overta.ru>
2922 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
2923 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
2924 * config/avr/avr.md (all peepholes that request a scratch register):
2925 Call it, FAIL the peephole if not safe (in interrupt functions).
2927 2001-01-05 Mark Mitchell <mark@codesourcery.com>
2929 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
2931 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
2933 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
2935 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
2936 BUILT_IN_CREAL and BUILT_IN_CIMAG.
2937 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
2938 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
2939 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
2941 * extend.texi: Document these builtins.
2943 2001-01-05 Daniel Berlin <dberlin@redhat.com>
2945 * c-common.c (lang_get_alias_set): Say we know nothing of
2946 VECTOR_TYPE aliasing.
2948 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
2950 2001-01-05 Bruce Korb <bkorb@gnu.org>
2952 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
2953 their x* equivalent versions for atexit-less systems
2954 * fixinc/fixincl.c(main): do not return from main() on atexit-less
2955 systems (or any other system any more).
2957 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
2959 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
2960 output operands. Use arm_hard_register_operand for operand 4.
2961 (stmsi_postinc): Similarly.
2962 (ldmsi): Use arm_hard_register_operand for opernand 2.
2964 * arm.c (arm_hard_register_operand): New function.
2965 * arm-protos.h (arm_hard_register_operand): Prototype it.
2967 * arm.h (HARD_REGNO_RENAME_OK): Define.
2969 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
2971 * simplify-rtx.c (cfc_args): add "unordered" field.
2972 (check_fold_consts): Set unordered field.
2973 (simplify_relational_operation): Simplify the unordered
2976 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
2979 * emit-rtl.c (try_split): Fix code to mark labels.
2980 * jump.c (mark_jump_label): Make global.
2981 * rtl.h (mark_jump_label): Declare.
2983 * predict.c (estimate_probability): Handle unordred comparisons.
2985 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
2987 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
2988 * cppinit.c (initialize_dependency_output): Update.
2989 (cpp_finish): Output dummy targets for -MP.
2991 (cpp_handle_option): Handle -MP. Don't quote -MT options.
2992 * cpplib.h (struct cpp_options): Add deps_phony_targets.
2993 * gcc.c (cpp_options): Update to handle -MP.
2994 * mkdeps.c (deps_add_target, deps_add_default_target): Update
2995 to quote only the default target.
2996 (deps_phony_targets): Insert a preceding newline. Rename from
2997 deps_dummy_targets for consistency.
3000 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
3002 * calls.c (emit_library_call_value_1): Support
3003 INIT_CUMULATIVE_LIBCALL_ARGS.
3004 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
3006 2001-01-04 Richard Henderson <rth@redhat.com>
3008 * c-decl.c (finish_struct): Detect flexible array members
3009 used in an inappropriate context.
3010 * c-typeck.c (really_start_incremental_init): Special case
3011 constructor_max_index for zero length arrays.
3012 (pop_init_level): Allow initialization of flexible array
3013 members. Deprecate initialization of zero length arrays.
3014 Don't issue missing initializer warning for flexible array
3015 members or zero length arrays.
3016 (process_init_element): Don't dereference null DECL_SIZE.
3017 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
3018 Don't abort for empty constructors. Use size_binop
3019 (output_constructor): Add commentary regarding zero length
3020 array futures. Abort if we try to initialize an array of
3021 unspecified length with a non-empty constructor in the middle
3024 * extend.texi (Zero Length): Update and clarify documentation
3025 on static initialization.
3027 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3029 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
3030 with more than 32767 words of local storage.
3032 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3034 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
3035 for 'abs', 'labs', and 'fabs'.
3036 (c4x_expand_builtin): Likewise.
3037 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
3039 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
3041 * config/sh/sh.md (prget, prset): New insn types.
3042 (return delay slot): Dont' allow prset.
3043 (call, sfunc delay slot): Don't allow prget.
3044 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
3045 for prset and prget.
3047 2001-01-05 Michael Hayes <mhayes@redhat.com>
3049 * loop.h (struct loop_reg): New.
3050 (struct loop_regs): Change to use array of `struct loop_reg'.
3051 * loop.c: Replace assortment of varrays with single regs array.
3052 (count_one_set): Delete may_not_move array argument
3053 and use regs array instead. All caller's changed.
3054 (count_loop_regs_set): Delete may_not_move and single_usage
3055 arguments and use regs array instead. All caller's changed.
3056 (find_single_use_in_loop): Replace usage array argument with pointer
3057 to regs structure. All caller's changed.
3058 (loop_optimize): Delete `moved_once' array.
3060 2001-01-05 Michael Hayes <mhayes@redhat.com>
3062 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
3063 Use it instead of loop_info->has_call for scanning loop mems.
3064 (check_dbra_loop): Replace loop_info->has_call test with
3065 loop_info->has_nonconst_call.
3067 2000-01-04 Matthew Hiller <hiller@redhat.com>
3069 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
3072 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
3074 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
3075 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
3077 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
3079 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
3080 (flag_short_double, flag_short_wchar): Define.
3081 (c_common_nodes_and_builtins): Create many tree nodes shared
3082 between C and C++ here instead of in cp/decl.c and ...
3083 * c-decl.c (init_decl_processing): ... here.
3084 (SIZE_TYPE, WCHAR_TYPE): Don't define.
3085 (flag_short_double, flag_short_wchar): Don't define.
3086 (record_builtin_type): New function.
3087 (build_void_list_node): New function.
3088 * c-common.h (flag_short_double, flag_short_wchar,
3089 record_builtin_type, build_void_list_node): Declare.
3091 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
3093 * integrate.c (expand_inline_function): Don't put a virtual
3094 register into the reg map.
3096 * function.c (fixup_var_refs_1): If force_operand didn't put
3097 the address into the target, move it there.
3099 2001-01-04 Mark Mitchell <mark@codesourcery.com>
3101 Special-case tree_decl/tree_list allocations.
3102 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
3103 (OBJECT_SIZE): New macro.
3104 (NUM_EXTRA_ORDER): Likewise.
3105 (extra_order_size_table): New variable.
3106 (NUM_ORDERS): New macro.
3107 (objects_per_page_table): New variable.
3108 (object_size_table): New variable.
3109 (G.pages): Use NUM_ORDERS to bound the array.
3110 (G.page_tails): Likewise.
3111 (DIV_ROUND_UP): Remove.
3112 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
3113 (alloc_page): Use OBJECT_SIZE.
3114 (size_lookup): Don't make it const.
3115 (ggc_alloc): Use OBJECT_SIZE.
3116 (ggc_set_mark): Likewise.
3117 (ggc_get_size): Likewise.
3118 (init_ggc): Set up the object_size_table, objects_per_page_table,
3119 and adjust size_lookup.
3120 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
3121 (ggc_pop_context): Use NUM_ORDERS.
3122 (clear_marks): Likewise.
3123 (sweep_pages): Likewise.
3124 (poison_pages): Likewise.
3125 (ggc_print_statistics): Use OBJECT_SIZE.
3127 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3129 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
3130 Only call array_size_for_constructor if last field and array type
3131 with no upper bound.
3133 2001-01-04 Philip Blundell <philb@gnu.org>
3135 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
3136 from bit 31 downwards, if this requires no more insns.
3137 (count_insns_for_constant): New helper function for above.
3139 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
3141 * gencodes.c (output_predicate_decls): Remove empty initializer.
3143 2001-01-04 Mark Mitchell <mark@codesourcery.com>
3145 * tree.c (copy_node): Remove documentation about obstacks.
3146 (buidl1): Check that nobody tries to build 2-argument nodes this
3149 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3151 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
3154 * gencodes.c (output_predicate_decls): Fill empty initializer
3157 2001-01-04 Jakub Jelinek <jakub@redhat.com>
3159 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
3160 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
3162 (do_include): Handle missing headers like cpp0.
3163 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
3164 paths with first include pathname. Don't strcat to uninitialized
3167 2001-01-04 Bernd Schmidt <bernds@redhat.com>
3169 * regrename.c (regrename_optimize): Don't rename from frame pointer
3170 if frame_pointer_needed.
3171 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
3172 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
3173 (ia64_reorg): Use it instead of scheduling if ! optimize.
3174 (errata_emit_nops): Properly call asm_noperands.
3175 (ia64_sched_reorder): Finish cycle if we see an asm.
3176 (ia64_variable_issue): Clear scheduling state after asms.
3178 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
3180 * cpp.texi: Update for -MT.
3181 * cppinit.c (initialize_dependency_output): Add a default
3182 target if none has been given already.
3183 (no_tgt, OPT_MT): New.
3184 (cpp_handle_option): Handle -MT. Update -M etc.
3185 * cpplib.h (struct cpp_options): Remove deps_target.
3186 * gcc.c (cpp_options): Handle -MT.
3187 * mkdeps.c (struct deps): Move from mkdeps.h.
3188 (deps_calc_target): Rename deps_add_default_target. Add a
3189 default target if none has been specified already.
3190 * mkdeps.h (struct deps): Move to mkdeps.c.
3191 (deps_calc_target): Rename deps_add_default_target.
3193 2000-01-03 Richard Henderson <rth@redhat.com>
3195 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
3197 * c-typeck.c (push_init_level): Move checks for flexible array
3198 members and zero length arrays ...
3199 (pop_init_level): ... here. Silently discard empty initializations.
3201 * varasm.c (output_constructor): Update for sizeof change to
3204 * extend.texi (Zero Length): Clarify semantics.
3206 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
3208 * configure.in (tm.h): Include isns-codes.h last.
3209 * configure: Rebuilt.
3211 2001-01-03 Richard Henderson <rth@redhat.com>
3213 * config/alpha/alpha.md (addvsi3, addvdi3): New.
3214 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
3216 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3218 * tradcpp.c (main): Make sure finclude() is called with a valid
3219 indepth value while handling -include.
3221 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
3223 * gencodes.c (output_predicate_decls): New function.
3225 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
3226 even if it is not the first time machmode.h is #included.
3227 * config/sh/sh.c (fpul_operand): Declare MODE argument.
3228 * tm.texi (PREDICATE_CODES): Document predicate declarations.
3229 * gcc.texi (Copyright): Added 2001.
3231 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
3233 * c-common.c (c_common_lang_init): New function. Warn if format
3234 warning options which only have effects when used with -Wformat
3235 are used without -Wformat.
3236 * c-common.h (c_common_lang_init): Declare.
3237 * c-lang.c (lang_init): Call c_common_lang_init.
3238 * objc/objc-act.c (lang_init): Call c_common_lang_init.
3240 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
3242 * configure.in: Check for the mktemp command.
3243 * configure: Regenerate.
3244 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
3245 $TEMP. Create temporary files with mktemp, if available at
3246 configure time; otherwise use set -C. Remove temporary files
3249 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
3251 * configure.in: Require at least texinfo 4.0. Check for whether
3252 Pod::Man is sufficiently recent to regenerate GCC manpages.
3253 * configure: Regenerate.
3254 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
3256 (GENERATED_MANPAGES): Define.
3257 (generated-manpages): New target. Depend on cpp.1 as well as
3259 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
3260 configure to generated-manpages or empty) rather than on the
3261 manpages directly. Remove execute permission from installed
3262 gcov.1 as well as cpp.1.
3263 * cpp.1, gcov.1: Regenerate.
3265 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3267 * builtins.c (expand_builtin_strncmp): Use host_integerp and
3268 tree_low_cst. Allow using cmpstrsi in more cases.
3270 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3272 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
3275 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
3277 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
3278 * Makefile.in (HOST_CFLAGS): Mention build-make.
3280 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3282 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
3285 2001-01-01 Bernd Schmidt <bernds@redhat.com>
3287 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
3290 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
3293 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
3294 reg_base_value and reg_known_value arrays.
3295 (init_alias_analysis): Add more cases to detect known values.
3296 * sched-deps.c (deps_may_trap_p): New function.
3297 (sched_analyze_2): Use it.
3299 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
3301 * combine.c (simplify_shift_const): Even if we're sign-extracting,
3302 don't discard an ASHIFTRT if we're shifting in a wider mode.
3304 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
3306 * toplev.c (rest_of_compilation): Don't print basic block information
3307 when CFG isn't up to date.
3309 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
3311 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
3312 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
3313 (UNALIGNED_SHORT_ASM_OP): Define.
3314 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
3316 2001-01-02 Mark Mitchell <mark@codesourcery.com>
3318 * fold-const.c (fold_convert): Fix typo.
3320 2001-01-02 Richard Henderson <rth@redhat.com>
3322 * c-common.h (ASM_INPUT_P): New.
3323 * c-parse.in (asm): Set it when needed.
3324 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
3325 existance of an operand.
3327 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
3329 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
3330 (dwarf2out_frame_debug_expr): Likewise.
3331 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
3333 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
3335 * i386.c (ix86_split_to_parts): Return number of part required;
3337 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
3339 (ix86_split_long_move): Use number of part returned
3340 by ix86_split_to_parts
3341 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
3343 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
3344 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
3345 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
3346 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
3347 (ALIGN_MODE_128): Add TFmode.
3348 (IS_STACK_MODE): Likewise.
3349 (HARD_REGNO_NREGS): TFmode needs 3 registers.
3350 (HARD_REGNO_OK): Support TFmodes.
3351 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
3352 * i386.md (scheduler definitions): Use memory operand to determine
3353 fst/fld instructions; use mode attribute to determine real mode of
3355 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
3356 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
3358 2001-01-02 Mark Mitchell <mark@codesourcery.com>
3360 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
3362 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
3364 * expr.c (store_constructor_field): Update ALIGN before calling
3367 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
3369 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
3372 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
3374 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
3377 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
3379 * c-decl.c (start_function): Don't warn on third parameter to main.
3381 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3383 * tsystem.h: Define HAVE_DECL_GETOPT.
3385 2001-01-02 Philip Blundell <pb@futuretv.com>
3387 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
3390 2001-01-02 Richard Henderson <rth@redhat.com>
3392 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
3394 2001-01-02 Andreas Jaeger <aj@suse.de>
3396 * c-decl.c (c_decode_option): Remove support of
3399 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
3400 (W_options): Add -Wmissing-noreturn here.
3402 * flow.c: Define lang_missing_noreturn_ok_p.
3403 (check_function_return_warnings): Use it.
3405 * c-common.h: Declare lang_missing_noreturn_ok_p.
3407 * c-lang.c (c_missing_noreturn_ok_p): New function.
3408 (lang_init): Set lang_missing_noreturn_ok_p.
3410 * invoke.texi (Warning Options): Document this.
3412 2000-12-27 Phil Edwards <pme@sources.redhat.com>
3414 * extend.texi (C++ Extensions): New node for C++ attributes;
3415 describe init_priority and com_interface.
3416 * invoke.texi: Remove -finit-priority as it now has zero effect.
3417 * install.texi: Fix xref syntax.
3418 * md.texi: Likewise.
3420 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3422 * config.gcc (sparc64-wrs-vxworks*): New case.
3423 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
3425 * config/sparc/sparc.c (sparc_override_options): Do support different
3426 pointer and architecture size.
3427 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
3428 (POINTERS_EXTEND_UNSIGNED): Define.
3429 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
3430 (FUNCTION_MODE): Define to be Pmode.
3431 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
3433 * function.c (expand_function_end): Properly handle DECL_RESULT
3434 and copy when ptr_mode != Pmode.
3435 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
3437 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3439 * c-common.c (c_common_nodes_and_builtins): Set prototype
3440 parameters for __builtin_fputs, __builtin_fputc and
3441 __builtin_fwrite. Don't declare plain fputc as a builtin.
3443 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
3445 * loop.c (add_label_notes): Increment the label usage count when
3446 a note is added to an insn which refers to a CODE_LABEL.
3447 * gcse.c (add_label_notes): Likewise.
3449 2001-01-01 Andreas Jaeger <aj@suse.de>
3451 * loop.c (scan_loop): Use xmalloc to allocate movables.
3453 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
3455 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
3456 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
3457 * reload1.c (REGISTER_MOVE_COST): Likewise.
3458 * regclass.c (REGISTER_MOVE_COST): Likewise.
3459 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
3460 dimension. Adjust all users.
3461 (init_reg_sets_1): Iterate on all modes.
3462 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
3463 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
3464 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
3465 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
3466 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
3467 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
3468 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
3469 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
3470 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
3471 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
3472 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
3473 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
3474 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
3475 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
3476 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
3477 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
3478 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
3479 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
3480 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
3481 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
3482 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
3483 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
3484 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
3485 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
3486 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
3487 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
3488 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
3490 2001-01-01 Bernd Schmidt <bernds@redhat.com>
3492 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
3493 arg VARIES_P. Call it with extra arg.
3494 (true_dependence): Likewise.
3495 * rtl.h (rtx_addr_can_trap_p): Declare.
3496 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
3498 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
3499 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
3500 pic offset table register if it's zero. All callers changed.
3501 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
3503 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3505 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
3506 STRING_POOL_ADDRESS_P.
3508 * config/sparc/sparc.c (input_operand): Properly test for short op.
3510 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
3511 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
3512 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
3513 * config/sparc/elf.h: No longer include sol2.h.
3514 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
3515 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
3517 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
3519 2001-01-01 Michael Hayes <mhayes@redhat.com>
3521 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
3522 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
3523 (record_initial): Likewise.
3524 * unroll.c (copy_loop_body, loop_iterations): Likewise.
3525 (remap_split_bivs): Likewise.
3527 2001-01-01 Michael Hayes <mhayes@redhat.com>
3529 * loop.c (loop_ivs_free): New function.
3530 (strength_reduce): Break out from...
3532 2001-01-01 Michael Hayes <mhayes@redhat.com>
3534 * loop.h (struct iv): New.
3535 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
3536 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
3537 'reg_biv_class' fields with 'regs' and 'n_regs'.
3538 (struct ivs): Rename 'loop_iv_list' field to 'list'.
3539 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
3540 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
3542 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
3544 * resource.c (mark_referenced_resources): Abort() before
3545 attempting to mark a pseudo register.
3546 (mark_set_resources): Likewise.
3548 2001-01-01 Michael Hayes <mhayes@redhat.com>
3550 * loop.h (REG_IV_CLASS): New accessor macro.
3551 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
3552 * unroll.c (REG_IV_CLASS): Likewise.
3554 See ChangeLog.4 for earlier changes.