1 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
3 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
5 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
7 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
8 (TARGET_NO_BITFIELD_WORD): New macro.
9 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
10 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
12 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14 * cselib.c: New file, from simplify-rtx.c.
15 * simplify-rtx.c: Remove cselib parts.
16 * Makefile.in: Add cselib.o.
18 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
20 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
21 (setup_incoming_varargs): Remove warning.
23 * config/rs6000/rs6000.c (validate_condition_mode): When
24 flag_fast_math, allow floating-point conditionals to be reversed.
25 (rs6000_generate_compare): When flag_fast_math, don't generate
26 cror operations for FP conditionals.
28 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
31 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
33 (LINK_TARGET_SPEC): Likewise.
34 (CPP_ENDIAN_SPEC): Likewise.
35 * Makefile.in (check-consistency): New target.
37 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
39 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
40 "return type defaults" warning for functions with return type
42 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
43 function declarations by default rather than only when pedantic.
45 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
47 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
50 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
52 * extend.texi (Deprecated): Deprecate new initializer lists.
54 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
56 * mkdeps.c (deps_add_default_target): Robustify. Add
57 basename component only.
58 * cpp.texi (-M): Describe how default target is generated.
59 * invoke.texi (-M): Likewise.
61 2001-02-12 Kazu Hirata <kazu@hxi.com>
63 * toplev.c (push_float_handler): Remove.
64 (pop_float_handler): Remove.
65 * toplev.h: Remove prototypes for the above functions.
67 2001-02-12 Jakub Jelinek <jakub@redhat.com>
69 * c-common.c (constant_fits_type_p): New function.
70 (convert_and_check): Use it.
72 2001-02-11 Mark Mitchell <mark@codesourcery.com>
74 * Makefile.in (GXX_ABI_FLAG): Don't define.
75 * configure.in (--enable-new-gxx-abi): Remove option.
76 * config.in: Regenerated.
77 * configure: Likewise.
79 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
81 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
83 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
84 regular basic block, and arrange for all edges into it to switch
87 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
89 * Makefile.in (distclean): Do not remove .gdbinit.
91 2001-02-11 Mark Mitchell <mark@codesourcery.com>
93 * Makefile.in (gcc.o): Fix typos.
94 (protize.o): Likewise.
95 (unprotoize.o): Likewise.
97 2001-02-11 Richard Henderson <rth@redhat.com>
99 * tree.c (build1): Check for null operand in last change.
101 2001-02-11 Richard Henderson <rth@redhat.com>
103 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
104 (fold): Don't assume a constant isn't foldable.
105 * tree.c (build): Set TREE_CONSTANT for an expression with no
106 side-effects and constant operands.
109 2001-02-10 Richard Henderson <rth@redhat.com>
111 * jump.c (squeeze_notes): Revert 2000-05-12 change.
113 2001-02-10 Anthony Green <green@redhat.com>
115 * cpp.texi (Standard Predefined): Add documentation for
118 * c-common.c (combine_strings): Improve warning message.
120 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
122 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
124 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
126 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
128 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
131 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
133 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
136 2001-02-09 Nick Clifton <nickc@redhat.com>
138 * config/arm/arm.md: Change output contraint on post inc
139 load/store multiple patterns to be a read/write contraint.
141 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
143 * gcc.c (cpp_options): Delete .d files on error. Don't delete
144 .o files when using the -M options.
146 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
147 David Edelsohn <edelsohn@gnu.org>
149 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
150 handle DImode constants. Use one TOC entry for SImode and smaller
151 constants, aligned properly.
153 2001-02-08 Jason Merrill <jason@redhat.com>
155 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
156 about the SP adjustment for saving the static chain pointer.
157 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
158 offset when setting a temporary CFA register.
160 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
162 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
163 powerpc-*-chorusos* .
164 * config/rs6000/chorus.h : New file.
165 * config/i386/chorus.h : New file.
166 * config/sparc/chorus.h : New file.
167 * config/sparc/t-chorus-elf : New file.
169 2001-02-08 David Edelsohn <edelsohn@gnu.org>
171 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
172 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
173 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
174 (__WCHAR_TYPE__): Correct macro name.
176 2001-02-08 Richard Henderson <rth@redhat.com>
178 * config/i386/i386.c (ix86_frame_pointer_required): New.
179 (ix86_setup_frame_addresses): New.
180 (struct machine_funciton): Add accesses_prev_frame.
181 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
182 ix86_frame_pointer_required.
183 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
184 (SETUP_FRAME_ADDRESSES): New.
185 * config/i386/i386-protos.h: Update.
186 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
187 from FRAME_POINTER_REQUIRED.
188 * config/i386/svr3gas.h: Likewise.
189 * config/i386/sysv3.h: Likewise.
190 * config/i386/v3gas.h: Likewise.
192 2001-02-08 Richard Henderson <rth@redhat.com>
194 * config/sparc/sparc.c (function_arg_record_value_3): Fix
195 calculation of the number of integer registers required.
196 (function_arg_record_value): Likewise.
198 2001-02-08 Jason Merrill <jason@redhat.com>
200 * diagnostic.c (internal_error): Say "confused" after 1 error, not
201 two. Print file and line with "confused" message.
203 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
205 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
207 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
209 2001-02-08 Bernd Schmidt <bernds@redhat.com>
211 * final.c (cleanup_subreg_operands): The address of a MEM can
214 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
217 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
219 * gcc.texi (Incompatibilities): Update documentation of
220 preprocessing numbers.
222 2001-02-07 Jakub Jelinek <jakub@redhat.com>
224 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
226 2001-02-07 Mark Mitchell <mark@codesourcery.com>
228 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
230 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
231 * gcc.c (struct compiler): Add cpp_spec field.
232 (input_file_compiler): New variable.
233 (do_spec_1): Allow a particular compiler to handle `%C'
235 (main): Store the current compiler in input_file_compiler.
236 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
238 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
240 * cpphash.h (struct spec_nodes): Add n_true and n_false.
241 * cppinit.c (cpp_create_reader): Initialize them.
242 (append_include_chain): cxx_aware arg might be unused.
243 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
244 keywords and give them their phase 7 meaning. Pedwarn about
245 this unless '__bool_true_false_are_defined' is defined.
247 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
249 * lcm.c (optimize_mode_switching): Emit mode_set before the
250 JUMP_INSN of an abnormal edge.
252 2001-02-07 Bernd Schmidt <bernds@redhat.com>
254 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
255 a scheduling barrier at the end.
257 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
259 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
261 * config/sh/sh.md (reload_outsf): Removed.
262 (movsf_ie): Introduce constraints for FPUL loads and stores.
263 (reload_insf): Broaden the output constraint.
265 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
267 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
268 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
270 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
272 * final.c: Revert my previous changes.
273 * output.h: Make profile_label_no extern.
274 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
275 for generating label.
277 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
279 * config/i386/djgpp.h: Add comments about standard paths.
280 (MD_EXEC_PREFIX): Undefine before defining.
281 (MD_STARTFILE_PREFIX): New.
283 2001-01-30 Bruce Korb <bkorb@gnu.org>
285 fixinc/fixincl.c(process): Emit error message only if appropriate :)
286 (load_file): do not rely on load_file_data() to close file pointer
287 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
288 fixinc/inclhack.def(irix_limits_const): add test_text
290 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
292 * cppexp.c (parse_defined): Improve diagnostics for invalid
295 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
297 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
299 2001-02-06 Mark Mitchell <mark@codesourcery.com>
301 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
302 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
303 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
304 (rs6000_output_symbol_ref): New function.
305 (output_toc): Use VTABLE_NAME_P.
307 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
309 * print-tree.c (print_node, case PARM_DECL):
310 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
312 * stor-layout.c (reference_types_internal): New variable.
313 (internal_reference_types): New function.
314 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
315 * tree.h (internal_reference_types): New declaration.
317 * cse.c (find_best_addr): Fix typo in computing cost.
319 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
321 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
322 and this is the sum of a pointer and a constant, we know the result
324 (num_sign_bit_copies, case PLUS): Likewise.
325 * explow.c (convert_memory_address): Remove opposite SUBREG.
326 * function.c (instantiate_new_reg): New function (from common code).
327 (instantiate_virtual_regs_1): Call it.
328 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
329 if pointers sign- or zero-extend.
330 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
331 If pointers extend unsigned, use inside of SUBREG.
332 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
334 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
336 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
337 subdir of gcc_gxx_include_dir.
338 (gcc_gxx_target_include_dir): Remove.
340 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
342 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
343 (dwarf2out_frame_debug_expr): Revise introductory comments to add
344 a high-level description.
346 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
348 * final.c: Move the declaration of profile_label_no to ...
349 * output.h: ... here.
350 * function.c (expand_function_start): Call PROFILE_HOOK.
351 * config/rs6000/aix.h: Define PROFILE_HOOK.
352 * config/rs6000/rs6000-protos.h: output_profile_hook new.
353 * config/rs6000/rs6000.c (output_profile_hook): Define.
354 (output_prolog): Do nothing for ABI_AIX as it is taken care by
356 tm.texi : Explain new macro PROFILE_HOOK.
358 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
360 * extend.texi (Extended Asm): Do not say that semicolon is always
361 a valid line-breaking character for GNU assemblers. Use
362 newline-tab as the most commonly supported syntax. Use
363 newline-tab rather than semicolon in multi-insn examples.
365 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
367 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
369 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
370 David Edelsohn <edelsohn@gnu.org>
372 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
373 code for AIX, even without flag_pic.
375 2001-02-05 Jakub Jelinek <jakub@redhat.com>
377 * c-typeck.c (common_type): push and pop binding level around
378 calling common_type on function parameters.
380 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
382 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
384 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
386 * config/mips/mips.c (override_options): Fix typo in last change.
387 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
388 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
390 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
392 * invoke.texi (-fdump-class-layout): Document.
393 (-fdump-translation-unit): Use `=' as filename separator.
395 2001-02-05 Mark Mitchell <mark@codesourcery.com>
397 * Makefile.in (s-mlib): Don't build multilibs if
399 (DRIVER_DEFINES): Adjust accordingly.
401 (protoize.o): Likewise.
402 (unprotoize.o): Likewise.
403 * configure.in: Recognize --enable-multilib.
405 2001-02-04 Mark Mitchell <mark@codesourcery.com>
407 * Makefile.in (DRIVER_DEFINES): Fix quoting.
409 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
410 * configure.in: Remove --enable-libstdcxx_v3 support.
411 * configure: Regenerated.
413 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
415 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
416 Call abort instead of fatal.
417 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
418 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
419 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
420 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
421 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
422 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
424 * diagnostic.h (set_internal_error_function): Renamed.
425 * toplev.h (internal_error): Renamed from fatal.
426 (pfatal_with_name): Deleted.
427 (fatal_io_error): Now has printf-style arguments.
428 * diagnostic.c (pfatal_with_name): Deleted.
429 (fatal_io_error): Rework to have args in printf-style.
430 (set_internal_error_function): Renamed from set_fatal_function.
431 (internal_error): Renamed from fatal.
432 (error_recursion, fancy_abort): Call internal_error instead of fatal.
433 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
434 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
435 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
436 * flow.c (verify_flow_info): Likewise.
437 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
438 * config/mips/mips.c (save_restore_insns): Likewise.
440 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
441 * flow.c (verify_flow_info): Likewise.
442 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
443 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
444 (avr_normalize_condition): Likewise.
445 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
446 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
447 (limit_reload_class, double_reg_to_memory): Likewise.
448 (print_operand_address, emit_1600_code_shift): Likewise.
449 (gen_tst_reg, gen_compare_reg): Likewise.
450 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
451 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
453 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
455 * c-parse.in (methoddef): Call fatal_error instead of fatal.
456 * objc/objc-act.c (build_ivar_chain): Likewise.
457 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
459 * graph.c (clean_graph_dump_file): Likewise.
460 * profile.c (init_branch_prob): Likewise.
461 * objc/objc-act.c (objc_init): Likewise.
463 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
464 * config/avr/avr.c (avr_override_options): Likewise.
465 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
466 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
467 * config/h8300/h8300.c (h8300_init_once): Likewise.
468 * config/mips/mips.c (override_options): Likewise.
469 * config/i386/i386.c (override_options): Likewise, rework.
470 * config/m68k/m68k.c (override_options): Likewise.
472 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
474 * config/mips/mips.c (print_operand): Likewise.
475 * hash.c (hash_allocate): Don't check for failure returns from
476 obstack functions that can't fail.
477 (hash_table_init_n, hash_table_init): Likewise; also now return void.
478 * hash.h (hash_table_init_n, hash_table_init): Now return void.
479 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
480 (get_object_reference): Likewise.
482 2001-02-04 Nick Clifton <nickc@redhat.com>
484 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
485 StrongARM1110, 10TDMI, and 1020T.
487 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
489 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
491 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
493 * config/sh/sh.md (movdf load split): Pass register number to
496 2001-02-04 Mark Mitchell <mark@codesourcery.com>
498 * cppinit.c (BC): New macro.
499 (builtin_array): Add __GXX_WEAK__.
500 * cpplib.h (builtin_type): Add BT_WEAK.
501 * cppmacro.c (builtin_macro): Handle BT_WEAK.
502 * defaults.h (SUPPORTS_ONE_ONLY): Define.
503 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
505 2001-02-03 Jakub Jelinek <jakub@redhat.com>
507 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
509 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
511 * cpphash.h: Rename _ALIGN POOL_ALIGN.
512 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
514 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
516 * cpphash.h: Rename ALIGN _ALIGN.
517 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
519 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
521 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
522 compilation environment.
523 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
524 control over location of cygwin includes and libs.
526 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
528 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
530 2001-02-02 lars brinkhoff <lars@nocrew.org>
532 * md.texi (Standard Names): remove reference to spur.md.
534 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
536 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
537 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
538 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
539 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
540 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
542 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
544 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
545 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
546 number before reload.
547 (c4x_adjust_cost): Return zero before reload.
548 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
551 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
553 * c4x.c (c4x_hard_regno_rename_ok): New.
554 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
555 * c4x.h (HARD_REGNO_RENAME_OK): Define.
557 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
559 * diagnostic.h: Add missing "extern" in all declarations.
561 2001-02-02 Alex Samuel <samuel@codesourcery.com>
563 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
564 as for gcc_gxx_include_dir.
566 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
568 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
570 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
572 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
573 label before alignment to be used as the braf base address.
574 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
576 (casesi_jump_2): Require at least TARGET_SH2.
578 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
579 truncation to 32-bit doubles on -m3e and -m4-single-only.
581 2001-02-02 Mark Mitchell <mark@codesourcery.com>
583 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
584 the default when building a shared object.
586 * testsuite/lib/g++.exp: Include the directory where libgcc
587 is located to the LD_LIBRARY_PATH list.
588 * invoke.texi (-shared-libgcc): Document the cases in which
589 GCC defaults to using the shared libgcc.
591 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
593 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
594 unsigned is wide enough.
596 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
597 (si_to_float): Likewise.
598 (float_to_si, float_to_usi): Use BITS_PER_SI.
600 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
602 * dwarf2out.c: Added explanation of abbreviations.
603 (def_cfa_1): Added comments listing DWARF2 instructions.
604 (cfa_temp_reg): Removed in favor of cfa_temp.
605 (cfa_temp_value): Removed in favor of cfa_temp.
606 (cfa_temp): New global variable.
607 (dwarf2out_frame_debug_expr): Added extensive introductory
608 comments explaining the function's transformations. Revised to
609 use cfa_temp. Added some rtx checking. Generalize IOR case.
610 (dwarf2out_frame_debug): Revised to use cfa_temp.
611 (output_aranges): Cast as "unsigned" to avoid warning.
612 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
613 explain which instructions must be marked.
615 2001-02-01 Richard Henderson <rth@redhat.com>
617 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
620 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
622 * config/sh/crt1.asm (main_k): Modified so that start calls
623 ___setup_argv_and_call_main.
625 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
627 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
628 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
629 and AVOID_LPASTE is cleared on meeting an unescaped newline.
630 * cppmacro.c (builtin_macro): Set builtin flags here.
631 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
632 (replace_args): Clarify intent.
633 (cpp_get_token): Macro expansion tokens get the saved flags.
635 * cppmain.c (scan_buffer): Remove now-redundant print.printed
638 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
640 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
643 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
645 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
646 returns Pmode pseudo, but we need ptr_mode.
647 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
648 Remove bogus conversions; use HOST_WIDE_INT for size.
649 Don't use TARGET if wrong mode.
651 * config/i386/i386.c (ix86_compute_frame_size): Allow
652 stack_alignment_needed to be non-default even if size is zero.
654 2001-01-31 Alan Modra <alan@linuxcare.com.au>
656 * (hppa_init_pic_save): Emit the pic offset table
657 reg save after last_parm_insn.
658 * pa.c (hppa_init_pic_save): New function.
659 * pa.h (hppa_init_pic_save): Declare.
660 * pa.md (call, call_value, sibcall, sibcall_value): Use
661 the above instead of duplicated code.
663 * pa.c (hppa_encode_label): Correct size of alloca buffer
664 so we don't overrun it. Correct leading `*' case.
665 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
667 (FUNCTION_NAME_P): Likewise.
669 2001-01-31 Richard Henderson <rth@redhat.com>
671 * config.gcc (alpha-osf5): Use float-i128.h.
673 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
674 * config/float-i32.h: Likewise.
675 * config/float-i64.h: Likewise.
676 * config/float-sh.h: Likewise.
677 * config/float-sparc.h: Likewise.
679 2001-01-31 DJ Delorie <dj@redhat.com>
681 * expmed.c (extract_bit_field): allow non-integral modes if we
682 want to extract a whole register from itself.
684 2001-01-31 Jakub Jelinek <jakub@redhat.com>
686 * c-typeck.c (set_init_index): If first is equal to last, assume as
687 if it was not a range at all.
689 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
691 * config/fp-bit.c: Include tm.h.
692 (float_to_si): Don't assume SImode is 32-bits wide.
693 (float_to_usi): Likewise.
695 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
697 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
699 (typename): Call pending_xref_error after parsing typed_typespecs.
700 * c-decl.c (lookup_tag): Give error immediately rather than
701 leaving it pending if the tag of the wrong type is in the same
703 (xref_tag): Don't pedwarn for forward declarations of enum types
705 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
708 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
710 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
712 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
714 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
715 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
717 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
719 * cpphash.h (struct cpp_reader): New saved_flags.
720 * cppmacro.c (cpp_get_token): Use saved_flags to remember
721 to avoid a paste after a pasted token.
723 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
725 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
726 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
727 Wtype_MIN instead of LONG_MIN.
729 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
731 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
733 * fixinc/fixincl.x: Regenerated.
734 * fixinc/inclhack.def (irix_limits_const): New definition to
735 convert "const" to "__const" in limits.h.
737 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
739 * fixinc/genfixes (AG): Fix "autogen4" thinko.
741 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
743 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
744 when register dies in the insn.
746 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
748 * diagnostic.c (fatal): Fix word wrap.
750 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
752 * combine.c (try_combine): Fix SUBREG setting for
753 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
755 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
757 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
760 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
762 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
764 * toplev.c (decode_W_option): Update warn_larger_than
765 unconditionally for each processed switch.
767 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
769 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
771 (hppa_expand_prologue): Delete code to save pic offset table register
772 in the function prologue.
773 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
774 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
775 table register at the beginning of the function after the prologue.
777 2001-01-29 lars brinkhoff <lars@nocrew.org>
779 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
781 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
782 Jeff Law <law@redhat.com>
784 * pa.md (return): Revise comment for trivial return.
785 (return_internal): Non-trivial return pattern for non-PIC code.
786 (return_internal_pic): Non-trivial return pattern for PIC code.
787 It uses the PIC register to ensure it is restored after
789 (epilogue): Generate appropriate return for PIC and non-PIC code.
791 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
793 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
795 2001-01-29 DJ Delorie <dj@redhat.com>
797 * combine.c (if_then_else_cond): Pass the correct mode to
798 operand_subword() for constants.
800 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
802 * config/i386/cygwin.h: Add w32api to include search. Search different
803 directories in a cross-build environment.
805 2001-11-29 Tim Josling <tej@melbpc.org.au>
807 * tree.h (TYPE_STUB_DECL): Add documentation.
809 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
811 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
812 (sdbout_field_types): Likwise. Fix use of host_integerp.
814 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
816 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
819 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
821 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
822 to use flag_gnu_linker.
824 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
826 * cpplib.c (T_BAD_DIRECTIVE): Remove.
827 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
829 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
831 * tree.c, tree.h (build_parse_node): Remove; was identical to
833 * c-lang.c (start_cdtor), objc/objc-act.c
834 (build_module_descriptor): Use build_nt instead of
837 2001-01-29 Jakub Jelinek <jakub@redhat.com>
839 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
840 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
841 not have any upper bits set.
843 2001-01-29 Phil Edwards <pme@sources.redhat.com>
845 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
847 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
849 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
851 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
853 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
854 (integer_minus_one_node): Define.
856 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
858 * Makefile.in (bootstrap2-lean): Fix typo.
860 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
862 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
863 : Don't set fe_value.
864 * cpplib.h (AVOID_LPASTE): New flag.
865 (struct cpp_hashnode): Remove fe_value.
866 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
867 * cppmacro.c (builtin_macro): Don't set flags here.
868 (replace_args): Set AVOID_LPASTE flag on first token of an
869 argument, and the token following it.
870 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
871 macro expansion, and on the token following it. Do it for
873 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
875 2001-01-27 Richard Henderson <rth@redhat.com>
877 * config/alpha/t-ieee: Remove multilibbing.
878 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
880 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
882 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
884 * Makefile.in: Remove all dependencies on defaults.h.
885 * builtins.c: Don't include defaults.h.
886 * c-common.c: Likewise.
887 * c-decl.c: Likewise.
888 * c-pragma.c: Likewise.
889 * c-typeck.c: Likewise.
890 * combine.c: Likewise.
892 * frame-ia64.c: Likewise.
893 * cppexp.c: Likewise.
894 * crtstuff.c: Likewise.
895 * dbxout.c: Likewise.
896 * dwarf2out.c: Likewise.
897 * dwarfout.c: Likewise.
898 * emit-rtl.c: Likewise.
899 * except.c: Likewise.
902 * frame-dwarf2.c: Likewise.
903 * libgcc2.c: Likewise.
904 * optabs.c: Likewise.
905 * profile.c: Likewise.
906 * sdbout.c: Likewise.
907 * toplev.c: Likewise.
908 * tradcif.y: Likewise.
910 * varasm.c: Likewise.
912 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
914 * builtins.c (expand_builtin_fputs): Use size_one_node when
915 transforming into fwrite.
917 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
919 * extend.texi (Attribute Syntax): New section.
921 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
923 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
924 they didn't need fixing.
926 2001-01-27 Janis Johnson <janis@us.ibm.com>
928 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
930 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
931 to remove macro definitions that are duplicated from elfos.h.
933 2001-01-27 Richard Henderson <rth@redhat.com>
935 * config/i386/sco5gas.h: Move ...
936 * config/usegas.h: ... here.
937 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
939 2001-01-27 Jakub Jelinek <jakub@redhat.com>
941 * c-typeck.c (struct constructor_stack): Add range_stack member.
942 (really_start_incremental_init): Clear it.
943 (push_init_level): Save constructor_range_stack and clear it if
944 pushing explicit braces.
945 (pop_init_level): abort if constructor_range_stack is non-zero at
946 explicit closing brace. Restore saved constructor_range_stack if
949 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
951 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
952 into register was forced into memory.
954 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
956 * Makefile.in: Remove uses of + before $(MAKE).
958 2001-01-26 Richard Henderson <rth@redhat.com>
960 * stmt.c (cost_table): Remove.
961 (COST_TABLE, cost_table_initialized): New.
962 (estimate_case_costs): Use the later instead of the former.
963 (balance_case_nodes): Likewise.
965 2001-01-26 Richard Henderson <rth@redhat.com>
967 * alias.c (objects_must_conflict_p): Read-only slots may not
968 conflict despite having the same type.
970 2001-01-27 Michael Hayes <mhayes@redhat.com>
972 * loop.c (loop_giv_reduce_benefit): Copy mode size into
974 (check_ext_dependant_givs): Initialise u_start_val and
976 (load_mems): Make last_max_reg unsigned.
977 (try_swap_copy_prop): Use INSN_P and initialise set.
979 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
981 * README.AVR : Removed.
983 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
985 * pa-64.h (text_section): Remove declaration.
987 * pa.md (return_internal): Remove mode on PIC register use.
989 2001-01-25 lars brinkhoff <lars@nocrew.org>
991 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
992 ASM_CLOSE_PAREN): fix typos.
994 2001-01-25 Mark Mitchell <mark@codesourcery.com>
996 * acconfig.h: Define `const' to the empty string if neither
997 __STDC__ nor __cplusplus is defined.
998 * config.in: Regenerated.
1000 2001-01-25 David Edelsohn <edelsohn@gnu.org>
1002 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
1003 * collect2.c (main): Delete importf. Add ".obj" file extension.
1004 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
1005 (aix_std_libs): Add additional AIX libraries to skip.
1006 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
1007 * config/rs6000/aix51.h: New file.
1009 2001-01-25 Michael Hayes <mhayes@redhat.com>
1011 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
1012 (loop_insn_emit_before): No longer static.
1013 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
1014 (loop_givs_rescan, load_mems): Likewise.
1015 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
1016 (maybe_eliminate_biv_1):
1017 (move_movables): Replace emit_call_insn_before with
1018 loop_call_insn_hoist.
1019 * loop.h (loop_insn_emit_before): Add.
1020 * unroll.c (copy_loop_body): Replace emit_insn_before with
1021 loop_insn_emit_before.
1023 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
1025 * diagnostic.c (fatal): Request preprocessed source.
1027 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
1029 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
1030 olddecl has argument types and newdecl has none, use the argument
1033 2001-01-24 Ulrich Drepper <drepper@redhat.com>
1035 * dwarf2out.c (prefix_of): New function. Determine longest common
1036 prefix of the two arguments. The units are whole path components.
1037 (output_file_names): When adding a new directory find the one entry
1038 with the longest common prefix already in the list. Artificially
1039 generate entry if there is none for this prefix.
1040 Fix test to check whether the zeroth directory entry is used.
1042 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
1044 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
1045 Changed all callers. Take it into account when deciding if a
1046 previously loaded value matches.
1048 2001-01-24 Richard Henderson <rth@redhat.com>
1050 * reload.c (find_reloads_subreg_address): Fail the substitution
1051 if the resulting address is insufficiently aligned.
1053 2001-01-24 DJ Delorie <dj@redhat.com>
1055 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
1056 check the original operand's mode also.
1057 * simplify-rtx.c (simplify_ternary_operation): Ditto.
1059 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
1061 * c-parse.in (cast_expr): Move compound literals from here ...
1062 (primary): ... to here. Use standard terminology "compound
1063 literal" instead of "constructor expression".
1065 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
1067 * gcc.1, cpp.1: Regenerate.
1069 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
1071 * calls.c (emit_library_call_value_1): Memory slot for
1072 pass-by-reference argument should have the mode of the argument,
1073 not of the pointer to it.
1075 2001-01-24 Tom Tromey <tromey@redhat.com>
1077 * gcc.texi (G++ and GCC): Mention gcj manual.
1078 (Standards): Link to section of manual mentioning gcj/Java
1081 2001-01-24 Jakub Jelinek <jakub@redhat.com>
1083 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
1084 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
1085 * tradcpp.c (main): Add -imacros or -include'd dependencies
1087 * cpp.texi (-M, -MM): Document -M -include behaviour.
1089 2001-01-24 Roger Collins <roger@ProProject.com>
1091 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
1093 2001-01-24 Will Cohen <wcohen@redhat.com>
1095 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
1096 whether registers are 32 bits or 64 bits in size.
1098 2001-01-24 Ben Elliston <bje@redhat.com>
1100 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
1102 2001-01-24 Richard Henderson <rth@redhat.com>
1104 * config/alpha/alpha.md (builtin_longjmp_internal): New.
1105 (builtin_longjmp): Use it instead of emit_indirect_jump.
1107 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
1109 * bb-reorder.c (make_reorder_chain_1): Handle case where
1110 jump edge goes to the same block as the fallthru edge.
1112 2001-01-23 Jim Wilson <wilson@redhat.com>
1114 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
1115 * frame.h (__ia64_personality_v1): Add prototype.
1116 * libgcc2.c (ia64_throw_helper): Change personality declaration to
1117 prototype form. Add void * cast to first argument to personality
1119 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
1120 (asctoe113): Likewise.
1121 * config/ia64/frame-ia64.c: Include eh-common.h.
1122 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
1124 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
1126 (itanium_split_issue): Add prototype.
1127 (gen_nop_type): Ifdef out.
1128 (find_best_packet): Initialize best_packet.
1129 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
1131 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
1132 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
1133 (flushrs): Add explicit stop bit at end.
1134 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
1137 2001-01-23 Chris Demetriou <cgd@broadcom.com>
1139 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
1141 * libgcc2.c (__terminate_func): Make variable static.
1142 (__terminate_set_func): New function to set __terminate_func.
1143 * libgcc2.h (__terminate_func_ptr): New typedef.
1144 (__terminate_set_func): New function.
1146 2001-01-23 Richard Henderson <rth@redhat.com>
1148 * flow.c (init_propagate_block_info): Don't consider unchanging
1149 memories for dead frame store elimination.
1151 2001-01-23 Richard Henderson <rth@redhat.com>
1153 * varasm.c (UNIQUE_SECTION): Move default implementation ...
1154 * defaults.h: ... here.
1156 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1158 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
1160 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
1162 * c-lex.c (lex_charconst): Fix typo: s/p/str.
1164 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1166 * rs6000.h (rs6000_return_addr): Move prototype from here...
1167 * rs6000-protos.h (rs6000_return_addr): ...to here.
1168 (rs6000_init_expanders): Delete prototype.
1170 2001-01-23 Nick Clifton <nickc@redhat.com>
1172 * invoke.texi: Replace , with \, inside @gccoptlist macros.
1173 (Spec Files): Document %B and %j and %. and %v3 and %M and
1174 %{S*&T} spec switches.
1176 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1178 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
1180 2001-01-23 Chris Demetriou <cgd@sibyte.com>
1181 Neil Booth <neil@daikokuya.demon.co.uk>
1183 * cpperror.c: Merge handlers of PEDWARN and WARNING.
1184 Have -Werror make pedantic warnings errors, like the
1187 2001-01-23 Phil Edwards <pme@sources.redhat.com>
1189 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
1191 2001-01-23 Jakub Jelinek <jakub@redhat.com>
1193 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
1194 * integrate.c (expand_inline_function): Initialize them.
1195 (subst_constants): If changing COMPARE so that both its arguments
1196 will be VOIDmode and the comparison mode will be lost, note
1197 compare_mode. Use the recorded compare_mode to optimize
1200 2001-01-23 Jason Merrill <jason@redhat.com>
1202 * dwarf2out.c (new_die): Use xcalloc.
1203 (output_die): Abort rather than emit a local reference to offset 0.
1205 2001-01-17 Andrew Haley <aph@redhat.com>
1207 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
1208 of a saved register; return NULL instead.
1209 (copy_reg): Take a pointer to a source register rather than a
1211 (next_stack_level): Remember the address in the stack frame of all
1213 Use the saved register pointer array as the source of the CFA.
1214 (throw_helper): Rewrite. Unwind once rather than twice and keep
1215 track of saved registers as we go.
1217 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1219 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
1220 * c4x.c (c4x_legitimize_reload_address): Remove.
1221 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
1222 reload address for ldp(k) insn.
1224 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
1226 * pa.md (return_internal): Add a USE of the PIC register to ensure
1227 it is restored after each call.
1228 (return expander): Corresponding changes.
1230 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1232 * rs6000.h (INIT_EXPANDERS): Delete.
1233 (RETURN_ADDR_RTX): Call rs6000_return_addr().
1234 * rs6000.c (rs6000_override_options): Call *_machine_status from
1236 (rs6000_init_expanders): ...instead of here. Delete.
1237 (rs6000_mark_machine_status): New function.
1238 (rs6000_init_machine_status): Use xcalloc.
1239 (rs6000_return_addr): Generate RTX for the return address.
1240 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
1241 (rs6000_stack_info): Use it.
1243 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
1245 * gthr-win32.h: Include errno.h to get a declaration for
1246 EINVAL and _mingw.h if the target is mingw32.
1248 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
1250 * cpp.texi: Correct typos.
1252 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1254 * explow.c (probe_stack_range): Ensure value passed to
1255 stack_check_libfunc is ptr_mode, not Pmode.
1257 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
1259 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
1260 case, don't use operand_subword to calculate a SUBREG that is
1263 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
1265 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1267 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
1268 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
1269 valid. If not replace it by equivalent insns.
1271 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1273 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
1274 contains SYMBOL_REF, LABEL_REF and CONST_INT.
1275 (c4x_U_constraint, symbolic_address_operand): Likewise.
1276 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
1278 (c4x_r11_set_p, c4x_check_laj_p): New functions.
1279 * c4x-protos.h (c4x_check_laj_p): Add prototype.
1280 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
1281 anulling slot because of silicon bug.
1282 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
1284 2001-01-22 Alan Modra <alan@linuxcare.com.au>
1286 * cppexp.c (parse_charconst): Change `mask' type to agree
1289 2001-01-21 Richard Henderson <rth@redhat.com>
1291 * config/i386/i386.c (ix86_asm_file_end): Disable putting
1292 pic_label_name in a linkonce section.
1294 2001-01-17 Philipp Thomas <pthomas@suse.de>
1296 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
1298 * configure: Regenerate.
1300 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
1302 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
1303 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
1305 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
1307 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
1308 If REVERSE nonzero then condition code in X must be reversed.
1309 (encode_section_info): Optimise if/else.
1310 (avr_function_value): Fix formatting.
1312 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
1313 (difficult_branch): Likewise.
1314 (rvbranch): Likewise.
1315 (difficult_rvbranch): Likewise.
1317 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
1319 * config/avr/libgcc.S: Fix comment.
1321 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
1323 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
1325 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
1327 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
1329 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
1331 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
1332 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
1333 * configure, config.in: Regenerate.
1334 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
1335 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
1336 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
1337 (doprint.o): New rule.
1339 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
1341 * c-typeck.c (digest_init): Handle boolean types as scalars.
1343 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1345 * stmt.c (expand_return): Don't return anything if size is zero.
1346 Delete redundant assignment to BYTES.
1347 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
1349 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
1351 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
1352 the same as the default library function names.
1353 * config/avr/avr.md: Document special characters after '%'.
1354 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
1355 knowing which of the call-used registers are really clobbered.
1356 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
1357 New. Both quotient and remainder from one libgcc.S call.
1358 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
1359 clobber as few registers as possible.
1360 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
1362 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
1364 * cppmacro.c (funlike_invocation_p): Don't move back up to the
1365 context of the top of the stack.
1367 2001-01-20 Jakub Jelinek <jakub@redhat.com>
1369 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
1370 (fixup_var_refs_insns): ...here.
1372 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
1374 * function.c (fixup_var_refs_insns): Break up into
1375 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
1376 [loop over entire insn list], and fixup_var_refs_insns_with_hash
1377 [loop over hash table entries].
1378 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
1379 fixup_var_refs_insns_with_hash, to match above changes.
1381 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
1383 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
1384 (libgcc.a): Likewise.
1385 (stmp-multilib): Likewise.
1386 (STAGE2_FLAGS_TO_PASS): Likewise.
1388 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
1390 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
1391 temporary if no_new_pseudos.
1393 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
1395 * cppinternals.texi: Update.
1397 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
1399 * arm.c (arm_init_builtins): Re-enable builtins.
1401 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1403 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
1404 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
1405 element to be null, and always expect an EXPR_LIST.
1406 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
1407 * sched-deps.c (sched_analyze_1): Likewise.
1408 * sched-rgn.c (check_live_1, update_live_1): Likewise.
1410 * regclass.c (max_set_parallel): New variable.
1411 (reg_scan): Take it into account in computation of max_parallel.
1412 (reg_scan_mark_refs, case SET): Compute it.
1414 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
1416 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
1417 * function.c (assign_parms): Use INTVAL for a CONST_INT.
1419 2001-01-19 Jason Merrill <jason@redhat.com>
1421 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
1422 for the abstract instance of an inline function.
1424 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
1425 J"orn Rennecke <amylaar@redhat.com>
1427 * reload1.c (move2add_note_store): Treat all registers directly or
1428 indirectly derived from a base register as members of the same set
1430 (reload_cse_move2add): Adjust accordingly. Take mode and offset
1431 of base register into account.
1433 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
1435 * alias.c (find_base_value): Recognize TRUNCATE.
1436 (record_set): In PLUS case, invalidate if other summand is also a
1439 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1441 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
1442 entry to be EXPR_LIST.
1443 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
1444 be an EXPR_LIST (but not null, which other code doesn't allow).
1445 (note_stores): Properly handle PARALLEL in SET.
1446 Recursively call for top-level PARALLEL.
1447 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
1448 * sched-rgn.c (check_live_1, update_live_1): Likewise.
1450 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
1452 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
1454 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
1455 not pfile->skipping (== 0).
1457 2001-01-17 Nick Clifton <nickc@redhat.com>
1459 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
1462 2001-01-17 Jim Wilson <wilson@redhat.com>
1464 * invoke.texi (IA-64 options): Improve.
1466 2001-01-17 Tom Tromey <tromey@redhat.com>
1468 * invoke.texi (Optimize Options): Use `{}' to around @samp
1471 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
1473 * invoke.texi (-fno-guess-branch-probability): New option.
1475 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1477 * combine.c (try_combine): Don't set i3_subst_into_i2 for
1478 case of making new double-word constant.
1479 Revert last change: instead just test i3_subst_into_i2.
1481 2001-01-17 Jakub Jelinek <jakub@redhat.com>
1483 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
1484 Use q constraints instead of r.
1486 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
1488 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
1489 (machine_function): Define.
1490 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
1491 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
1492 pa_free_machine_status): New functions.
1493 (override_options): Set {init,mark,free}_machine_status to above.
1494 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
1495 PIC_OFFSET_TABLE_REGNUM_SAVED.
1496 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
1497 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
1498 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
1499 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
1500 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
1502 2001-01-15 DJ Delorie <dj@redhat.com>
1504 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
1508 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1510 * flow.c (propagate_on_insn): Make trying to delete a prologue
1511 or epilogue insn an ICE, not a warning. Allow doing this if
1512 the current function returns with stack pointer depressed.
1514 * combine.c (try_combine): If i3_subst_into_i2, properly check for
1515 I3 having more than one SET.
1517 2001-01-16 Jim Wilson <wilson@redhat.com>
1519 * invoke.texi: Document IA-64 options.
1521 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
1522 (fixup_errata): Delete TARGET_A_STEP use.
1523 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
1524 (TARGET_SWITCHES): Delete -ma-step option.
1525 * config/ia64/ia64.md (all FP patterns): Delete %B0.
1526 (movqicc_astep, movqi_internal_astep, movhicc_astep,
1527 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
1528 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
1529 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
1530 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
1532 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
1533 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
1534 cmovsi_internal): Delete ! TARGET_A_STEP check.
1536 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1538 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
1539 possibility to report bugs via postal mail. Change a URL and
1540 merge in a nearly duplicate statement...
1541 (Bug Reporting): ...from here.
1542 (Service): Refer to the Bug Reporting section instead of
1544 (Contributing): Remove trivial explanations concerning snapshots.
1546 2001-01-16 Alan Modra <alan@linuxcare.com.au>
1548 * cppmain.c (general_init): Don't use ANSI prototype.
1550 2001-01-16 Tom Tromey <tromey@redhat.com>
1552 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
1554 2001-01-16 Richard Henderson <rth@redhat.com>
1556 * config/i386/i386.h: Fix comment typo.
1557 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
1558 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
1560 2001-01-16 Phil Edwards <pme@sources.redhat.com>
1562 * gcc.c: Revert previous -fsyntax-only-related change; move
1565 2001-01-16 Jakub Jelinek <jakub@redhat.com>
1567 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
1568 inmode after checking GET_CODE (op).
1570 2001-01-16 Richard Henderson <rth@redhat.com>
1572 * flow.c (struct propagate_block_info): Add mem_set_list_len.
1573 (MAX_MEM_SET_LIST_LEN): New.
1574 (propagate_one_insn): Update mem_set_list_len.
1575 (invalidate_mems_from_autoinc): Likewise.
1576 (invalidate_mems_from_set): Likewise.
1577 (mark_used_regs): Likewise.
1578 (init_propagate_block_info): Likewise. Stop collecting memories
1579 when we reach MAX_MEM_SET_LIST_LEN.
1580 (mark_set_1): Likewise.
1582 2001-01-16 Richard Henderson <rth@redhat.com>
1584 * unroll.c (precondition_loop_p): Fail if no iteration
1587 2001-01-16 Phil Edwards <pme@sources.redhat.com>
1589 * gcc.c: When -fsyntax-only is given, do not complain about
1592 2001-01-15 Richard Henderson <rth@redhat.com>
1594 * config/i386/i386.c (asm_output_function_prefix): Remove.
1595 (ix86_asm_file_end): New.
1596 (load_pic_register): Generate pic_label_name into a
1597 staticly allocated buffer.
1598 * config/i386/i386-protos.h: Update.
1599 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
1600 (ASM_FILE_END): New.
1601 * config/i386/i386afe.h: New file.
1602 * config.gcc (i?86-*-elf) [tm_file]: Use it.
1603 (i?86-*-{freebsd,linux*,moss*}): Likewise.
1604 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
1605 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
1606 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
1607 * config/i386/sco5.h (ASM_FILE_END): Likewise.
1608 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
1610 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
1612 * Makefile.in (install-man): Remove explicit dependency on
1615 * configure.in, configure: Revert previous patch requiring perl
1618 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
1620 * toplev.c (flag_guess_branch_prob): New.
1621 (f_options): Add guess-branch-probability option.
1622 (rest_of_decl_compilation): Only estimate branch probability if
1624 (main): set flag_guess_branch_prob.
1626 * flags.h (flag_guess_branch_prob): New.
1628 2001-01-15 DJ Delorie <dj@redhat.com>
1630 * gcc.texi (Makefile): Add documentation for Makefile targets.
1632 2001-01-15 Philip Blundell <philb@gnu.org>
1634 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
1636 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
1637 (is_pic): Delete declaration.
1638 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
1639 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
1640 * config/arm/arm.md (builtin_setjmp_receiver): New.
1642 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
1644 * arm.c (use_return_insn): Don't try to determine the function type
1645 until after reload has completed.
1646 (arm_output_epilogue): Don't adjust the sp value recovered from the
1648 (emit_multi_reg_push): Don't record dwarf information for the pc.
1649 * arm.md (eh_epilogue): The function type may have changed, so it
1650 needs to be recalculated.
1651 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
1652 unwind tables on arm/netbsd.
1654 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
1656 * arm.md (cbranchsi4): Correct calculation of branch ranges.
1657 (negated_cbranchsi4): Likewise.
1659 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
1661 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
1662 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
1663 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
1664 pass -mapcs-* options to assembler.
1665 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
1666 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
1667 (ASM_SPEC): Call subtarget_extra_asm_spec.
1669 2001-01-15 Andreas Jaeger <aj@suse.de>
1671 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
1673 (ix86_expand_builtin): Likewise.
1675 * gencodes.c (output_predicate_decls): Make i size_t to avoid
1676 warning about comparison between signed and unsigned.
1678 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
1680 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
1682 2001-01-14 Ralf Baechle <ralf@gnu.org>
1684 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
1685 SUBTARGET_CPP_SPEC apropriatly.
1687 2001-01-12 Mark Mitchell <mark@codesourcery.com>
1689 * varasm.c (make_decl_rtl): Fix typo in last change.
1691 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
1693 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
1694 linker supports the init_priority C++ attribute.
1695 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
1696 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
1697 linker does not support init_priority C++ attribute.
1699 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
1701 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
1703 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
1705 * c-parse.in (finish_parse): Add comment about cpp_destroy.
1706 * cp/lex.c (finish_parse): Similarly.
1707 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
1708 Return the number of errors encountered.
1709 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
1710 * cppmain.c (main): Don't call cpp_destroy.
1712 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
1714 * configure.in: Require at least perl 5.6.0 to regenerate
1716 * configure: Regenerate.
1718 2001-01-14 Richard Henderson <rth@redhat.com>
1720 * genrecog.c (DT_veclen_ge): New.
1721 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
1722 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
1723 (nodes_identical_1): Handle DT_veclen_ge.
1724 (write_cond, debug_decision_2): Likewise.
1726 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
1728 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
1730 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
1732 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
1734 * cppmain.c (do_preprocessing): New function; most of the old
1736 (main): Call it to do most of the work.
1737 (cb): Move from global scope to set_callbacks ().
1738 (setup_callbacks): Get the callback pointer.
1739 (general_init, printer_init): Clean up code and comments.
1741 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
1743 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
1746 2001-01-14 Kazu Hirata <kazu@hxi.com>
1748 * config/h8300/h8300.c (get_shift_alg): Update comments.
1750 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1752 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
1753 (alloc_page, ggc_alloc): Add casts to remove warnings.
1755 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
1757 * combine.c (simplify_comparison): Don't change `code' when
1758 can't reverse comparison.
1760 2001-01-14 Richard Henderson <rth@redhat.com>
1762 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
1763 update all call sites. Return true for all non-label constants.
1765 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
1767 * i386.c (ix86_expand_compare): Add bypass_test and second_test
1769 (ix86_expand_branch): Update.
1770 (ix86_expand_setcc): Update to handle multiple test conditions.
1771 (expand_int_movcc): Likewise.
1772 (expand_fp_movcc): Likewise.
1773 * i386-protos.h (ix86_expand_compare): New.
1774 * i386.md (andqi_?_slp, orqi_?_slp): New.
1775 (conditional trap expander): Update call to ix86_expand_compare.
1777 2001-01-14 Richard Henderson <rth@redhat.com>
1779 * config/vax/vax.md: Use nonimmediate_operand instead of
1780 general_operand in destinations.
1782 * config/vax/vax.md (indirect_jump): Use register_operand.
1784 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
1785 * config/vax/vax.md (call_pop): Turn into an expander.
1786 (call_value_pop): Likewise.
1787 (call, call_value): New.
1789 2001-01-14 Andreas Jaeger <aj@suse.de>
1791 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
1793 (ix86_fp_compare_mode): Add unused attribute.
1794 (ix86_expand_fp_movcc): Remove unused variable.
1795 (ix86_expand_builtin): Make fcode unsigned.
1797 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
1798 (expand_expr): Add cast to avoid signed warning.
1799 (store_field): Likewise.
1800 (store_constructor_field): Likewise.
1801 (store_constructor): Likewise.
1802 (store_expr): Likewise.
1803 (clear_storage): Likewise.
1804 (emit_group_store): Likewise.
1805 (emit_group_load): Likewise.
1807 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
1809 * c-common.c: Move format checking code to ...
1810 * c-format.c: ... here. New file. Reorder some functions and
1812 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
1814 * c-common.h (decl_handle_format_attribute,
1815 decl_handle_format_arg_attribute): Declare.
1816 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
1817 (c-common.o): Adjust dependencies.
1818 (c-format.o): New list of dependencies.
1820 2001-01-13 Jakub Jelinek <jakub@redhat.com>
1822 * unroll.c (loop_iterations): If we cannot prove iteration variable
1823 is set once in each iteration, punt.
1825 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
1827 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
1828 (*strlenhi): Remove clobber (which was buggy) of output address.
1830 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
1832 * Makefile.in (generated-manpages): Add gcc.1
1833 ($(srcdir)/gcc.1): New target.
1834 (maintainer-clean): Delete $(srcdir)/gcc.1.
1835 * gcc.texi: Add macros @gccoptlist and @gol.
1836 * invoke.texi: Include option summary in manpage. Mark up option
1837 summary with @gccoptlist and @gol. Use @r in one place where
1839 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
1840 * gcc.1: Generate from invoke.texi.
1842 2001-01-13 Richard Henderson <rth@redhat.com>
1844 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
1845 (struct page_entry): Add group member.
1846 (struct page_group): New.
1847 (struct globals): Add page_groups member.
1848 (alloc_anon): Only define for using mmap; remove valloc call.
1849 (page_group_index): New.
1850 (set_page_group_in_use): New.
1851 (clear_page_group_in_use): New.
1852 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
1853 (free_page, release_pages): Likewise.
1854 * configure.in (with-gc): Default to ggc-page always.
1856 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
1858 * reload1.c (replace_pseudos_in_call_usage): Use
1859 reg_equiv_constant and reg_equiv_address, and don't try
1860 regno_reg_rtx first.
1862 2001-01-13 Richard Henderson <rth@redhat.com>
1864 * ggc-page.c (alloc_page): Round up allocation size to one page.
1865 Set e->order on extra pages.
1867 2001-01-13 Richard Henderson <rth@redhat.com>
1869 * genrecog.c (nodes_identical): Expand commentary.
1870 (write_switch): Watch out for identical nodes.
1872 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
1874 * cppfiles.c (_cpp_fake_include): New function.
1875 * cpphash.h (_cpp_fake_include): New.
1876 * cpplib.c (do_line): Call _cpp_fake_include when entering
1877 header files in preprocessed input.
1878 * cppmain.c (cb_pragma_implementation): Remove handling.
1879 (setup_callbacks): Don't register pragmas.
1881 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
1883 * extend.texi: Udate for CPP.
1885 2001-01-13 Andreas Jaeger <aj@suse.de>
1887 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
1889 * regmove.c: Add prototype for replace_in_call_usage.
1891 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
1893 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
1894 struct cpp_chunk, struct htab, struct toklist,
1895 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
1896 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
1897 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
1898 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
1899 (struct macro_args): Delete.
1900 * cpphash.h: See above.
1902 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
1904 * cppmain.c (struct printer): Remove no_line_dirs.
1906 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
1907 : Use options rather than CPP_OPTION.
1908 (setup_callbacks): Use cb rather than pfile->cb.
1909 (main): No need to check for a buffer. Use cpp_errors.
1910 (printer_init): Don't set no_line_dirs.
1911 (maybe_print_line): Use options not no_line_dirs.
1912 (cb_file_change): Don't call print_line if -P.
1914 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
1916 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
1918 * c-parse.in (finish_parse): Use cpp_errors.
1919 (__yylex): Use return value of cpp_pop_buffer.
1920 * cp/lex.c (finish_parse): Use cpp_errors.
1921 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
1923 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
1925 * README.AVR: URLs corrected.
1927 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1929 * c-decl.c (start_function): Don't warn if old prototype is builtin
1930 that's not in C's namespace.
1931 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
1932 (_bb): Add prototype for ctime.
1933 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
1935 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
1937 * i386.c (ix86_fp_comparison_arithmetics_cost,
1938 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
1939 ix86_fp_comparison_cost): New functions.
1940 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
1941 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
1942 two-branch sequences; make static.
1943 (ix86_use_fcomi_compare): Do decision according to the costs.
1944 (split_fp_branch): New.
1945 * i386.md (compare-and-branch patterns): Use split_fp_branch.
1946 * i386-protos.h (ix86_expand_fp_compare): Remove
1947 (ix86_split_fp_branch): Declare.
1949 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
1950 and ix86_comparison_operator.
1952 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
1955 * i386.c (put_condition_code): Output properly the unordered/ordered
1956 compares in fp case.
1957 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
1959 * tm.texi (REVERSE_CONDITION): Document.
1960 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
1961 in -ffast-math mode.
1962 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
1964 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
1966 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
1968 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
1971 * config/sh/sh.c (mova_p): Fix test for mova_const.
1973 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
1975 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
1976 cpp_get_options rather than dereferencing pfile and using
1978 * scan-decls.c (scan_decls): Use return value of
1979 cpp_pop_buffer rather than CPP_BUFFER.
1981 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
1983 * cppinit.c (cpp_handle_option): help_only is now part of the
1984 cpp_options structure.
1985 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
1986 cpp_set_callbacks): New functions.
1987 * cpplib.h (cpp_callbacks): Break out as a named structure.
1988 (cpp_options): Move help_only here from cpp_reader.
1989 (CPP_FATAL_ERRORS): Update to use cpp_errors.
1990 (cpp_errors, cpp_get_options, cpp_get_callbacks,
1991 cpp_set_callbacks): New prototypes.
1992 * cppmain.c (main): Update for help_only.
1994 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
1996 * Makefile.in (info, maintainer-clean, install-info, uninstall):
1997 Also build and remove and install and uninstall c-tree.info and
1999 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
2000 ($(srcdir)/cppinternals.info): New target.
2001 * c-tree.texi: Change file name used when makeinfo used without -o
2002 from ir.info to c-tree.info. Add info directory entry.
2003 * cppinternals.texi: Add info directory entry.
2004 * .cvsignore: Update.
2006 2001-01-12 Jakub Jelinek <jakub@redhat.com>
2008 * c-typeck.c (store_init_value): Don't require constant initializer
2009 elements with -pedantic -std=c99.
2010 (digest_init): Change error about non-constant initializer elements
2012 (constructor_range_end): Remove.
2013 (constructor_incremental, designator_depth,
2014 designator_errorneous): New variables.
2015 (struct constructor_stack): Remove range_end, add incremental.
2016 (struct constructor_range_stack, constructor_range_stack): New.
2017 (struct initializer_stack): Add constructor_range_stack.
2018 (finish_init): Set it.
2019 (start_init): Likewise. require_constant_elements for non-static
2020 trees only if not flag_isoc99.
2021 (really_start_incremental_init): Remove constructor_range_end, add
2022 constructor_incremental.
2023 (pop_init_level): Likewise.
2024 (push_init_level): Likewise. If implicit and the subobject had some
2025 value set already, preinitialize the level with it.
2026 Warn about missing braces only if not pushing due to designators.
2027 (set_designator, push_range_stack): New functions.
2028 (set_init_label): Use them.
2029 (set_init_index): Likewise. Remove constructor_range_end.
2030 Error if designator index is outside of array bounds.
2031 (add_pending_init): Compare values of purpose index trees, not the
2032 trees themselves. Allow overwriting of already initialized element.
2033 Issue a warning if it had side-effects.
2034 (set_nonincremental_init, set_nonincremental_init_from_string): New
2036 (pending_init_member): Rename to...
2037 (find_init_member): ...this function. Call set_nonincremental_init
2038 if necessary. Compare values of purpose index trees, not the trees
2039 themselves. Return the actual value, not just non-zero if something
2041 (output_init_element): Remove checks for duplicates.
2042 If field has zero size, only check the initializer for correctness.
2043 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
2044 if constructor_incremental is zero. Change error about initializers
2045 not computable at load time into pedwarn.
2046 (output_pending_init_elements): Compare bit positions, not
2047 FIELD_DECLs to take into account zero-sized fields.
2048 (process_init_element): Use constructor_range_stack to fill all
2049 ranges in the designator lists from current level up.
2050 * extend.texi: Update documentation for labeled elements.
2052 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
2054 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
2055 to function usage for arguments passed by reference. Optimize
2056 callee-copied arguments.
2057 * regmove.c (replace_in_call_usage): New function.
2058 (fixup_match_1): Call it.
2059 * cse.c (cse_insn): Canonicalize registers in function usage.
2060 * reload1.c (replace_pseudos_in_call_usage): New function.
2063 * Makefile.in: Reverted yesterday's wrong patch. Installed the
2066 2001-01-12 Jakub Jelinek <jakub@redhat.com>
2068 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
2071 2001-01-12 DJ Delorie <dj@redhat.com>
2073 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
2074 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
2077 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
2079 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
2080 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
2081 -std options alongside references to -ansi. Update some
2082 documentation for C99.
2083 * cpp.1: Regenerate.
2085 2001-01-12 Andreas Jaeger <aj@suse.de>
2087 * haifa-sched.c (restore_line_notes): Remove argument block B
2089 * sched-ebb.c (schedule_ebb): Change caller.
2090 * sched-rgn.c (schedule_region): Likewise.
2091 * sched-int.h (restore_line_notes): Adjust prototype.
2093 * loop.h: Remove wrong declaration of doloop_condition_get.
2095 2001-01-12 Phil Edwards <pme@sources.redhat.com>
2097 * extend.texi: Move C++-extension-related node from the C section
2098 into the C++ section.
2100 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
2102 * extend.texi: Refer to an array of pointers to functions instead
2103 of one of functions.
2105 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
2106 Jan Hubicka <jh@suse.cz>
2108 * combine.c (reversed_comparison): Fix typo in last patch.
2110 (combine_reversed_comparison_code): Make static to follow
2111 prototype declaration.
2113 2001-01-12 Phil Edwards <pme@sources.redhat.com>
2115 * install.texi: Remove misplaced duplicate entry.
2117 2001-01-11 Ulrich Drepper <drepper@redhat.com>
2119 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
2121 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
2123 * final.c: (leaf_function_p): Fix typo.
2125 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
2127 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
2128 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
2130 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
2131 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
2132 mmap_anon, and valloc is available.
2133 * ggc-page.c: Restructure ifdef logic to match new autoconf
2134 spec. Don't throw away the test page in init_ggc.
2136 * configure, config.in: Regenerate.
2138 2001-01-12 Michael Hayes <mhayes@redhat.com>
2140 * loop.h (total_biv_increment): Constify iv_class pointer.
2141 (struct induction): Replace `mem_mode' with `mem' rtx.
2142 * unroll.c (total_biv_increment): Constify iv_class pointer.
2143 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
2144 (find_mem_givs, combine_givs_p): Likewise.
2145 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
2147 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
2149 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
2151 (__gthread_getspecific): Ditto.
2153 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
2155 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
2156 put_condition_code): Convert fp comparison codes to integer
2158 (ix86_expand_fp_compare): Postnote the fp comparison code converison
2161 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
2162 * i386-protos.h (no_comparison_operator): Kill.
2164 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
2166 * combine.c (REVERSIBLE_CC_MODE): Remove.
2167 (reversible_comparison_p): Remove.
2168 (combine_reversed_comparison_code): New.
2169 (reversed_comparison): New.
2170 (combine_simplify_rtx): Use
2171 combine_reversed_comparison_code/reversed_comparison instead
2172 of reversible_comparison_p.
2173 (simplify_if_then_else): Likewise.
2174 (simplify_set): Likewise.
2175 (simplify_logical): Likewise.
2176 (if_then_else_cond): Likewise.
2177 (known_cond): Likewise.
2178 (simplify_comparison): Likewise.
2180 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
2182 * builtins.c (std_expand_builtin_va_start): Handle varargs when
2183 sizeof (int) is larger than sizeof(__word__).
2185 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
2187 * cppinit.c (do_includes): Fix typo.
2189 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2191 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
2192 in S_REGS does not occur because not all sources are possible
2193 when a S_REGS is a destination (sometimes needs a clobber).
2194 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
2195 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
2196 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
2197 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
2198 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
2199 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
2200 (lshrdi_const1, lshrsi3_const16): Likewise.
2201 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
2202 (*movhi_68hc12, *movqi_68hc12): Likewise.
2203 (movstrictqi): Make sure reloading in D_REGS as a destination
2206 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
2208 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
2210 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
2212 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
2213 -D, -U and -A, and don't initialize the builtins.
2214 (do_includes): Error if -include or -imacros with -fpreprocessed.
2215 * cppmain.c (cb_define, cb_undef): Unconditionally process
2217 * tradcpp.c (main): Fix typo.
2219 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
2221 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
2222 (read_name_map): Use IS_ABSOLUTE_PATH.
2223 * tradcpp.c (get_filename): Likewise.
2225 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2227 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
2228 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
2229 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
2230 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
2231 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
2232 (cmphi_z_used): Don't use '@' for the output.
2233 (tstqi_z_used): Likewise.
2234 (cmpqi_z_used): Likewise.
2235 (one_cmplsi2): Likewise.
2237 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
2239 * config/sh/sh.c (barrier_align): Recognize branch around far
2240 branch and redundant insn.
2242 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
2244 * invoke.texi: Restore documentation of the drivers' switches -MD
2247 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
2249 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
2251 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
2252 check-objc//%): Support parallel testing of multilibs.
2253 (TESTSUITEDIR): Set to testsuite by default, but override for
2255 (check-gcc, check-g++, check-g77, check-objc): Enter
2258 2001-01-11 Bernd Schmidt <bernds@redhat.com>
2260 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
2261 * sched-deps.c (deps_may_trap_p): Likewise.
2262 * basic-block.h: Remove a comment.
2263 * flow.c (PROP_POSTRELOAD): Remove.
2264 (update_life_info): Don't add it to prop_flags.
2265 (mark_set_1): Lose the code that was enabled by it.
2267 2001-01-11 Michael Hayes <mhayes@redhat.com>
2269 * flow.c (flow_call_edges_add): New.
2270 * basic_block.h (flow_call_edges_add): New.
2272 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
2274 * reload1.c (move2add_note_store): Update reg_set_luid even if
2275 base reg remains the same.
2277 2001-01-10 Nick Clifton <nickc@redhat.com>
2279 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
2280 machine_function structure to zero.
2281 Add prototypes for machine_status functions.
2283 2001-01-10 Mark Mitchell <mark@codesourcery.com>
2285 * c-common.h (CTI_VOID_LIST): Remove.
2286 (void_list_node): Likewise.
2287 * tree.h (TI_VOID_LIST_NODE): New enumeral.
2288 (void_list_node): New macro.
2289 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
2290 * config/i386/i386.c (ix86_init_builtins): Likewise.
2291 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
2293 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
2295 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
2296 * cppinit.c (cpp_start_read): Update comment, remove unneeded
2298 * tradcpp.c: Include mkdeps.h.
2299 (deps, print_deps_phony_targets, deps_append, output_deps,
2300 init_dependency_output, output_deps): New.
2301 (deps_buffer, deps_allocated_size, deps_size, deps_column,
2302 deps_output): Delete.
2303 (print_deps_missing_files): Rename deps_missing_files.
2304 (inhibit_output): Make global.
2305 (main): Delete inhibit_output, deps_stream, deps_target.
2306 Use mkdeps functionality in the same way as cpplib. Remove
2307 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
2308 -M and -MM. Remove old handling of deps via deps_out, and
2309 old reading of environment variables.
2310 (get_filename): Update to use deps_add_dep.
2312 2001-01-10 Mark Mitchell <mark@codesourcery.com>
2314 * output.h (make_function_rtl): Remove prototype.
2315 (make_decl_rtl): Likewise.
2316 * varasm.c (make_function_rtl): Remove.
2317 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
2318 than from a third parameter.
2319 * tree.h (make_decl_rtl): Remove last parameter.
2320 * c-decl.c (builtin_function): Remove last argument in call to
2321 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
2322 (start_function): Likewise.
2323 * except.c (call_get_eh_context): Likewise.
2324 * expr.c (emit_block_move): Likewise.
2325 (clear_storage): Likewise.
2326 * profile.c (output_func_start_profiler): Likewise.
2327 * toplev.c (rest_of_decl_compilation): Likewise.
2328 * objc/objc-act.c (create_builtin_decl): Likewise.
2329 (synth_module_prologue): Likewise.
2330 (generate_static_reference): Likewise.
2331 (build_selector_reference_decl): Likewise.
2332 (build_class_reference_decl): Likewise.
2333 (build_objc_string_decl): Likewise.
2334 (build_protocol_reference): Likewise.
2336 2001-01-10 Richard Henderson <rth@redhat.com>
2338 * hwint.h: Revert yesterday's change.
2340 2001-01-10 Nick Clifton <nickc@redhat.com>
2342 * function.h (save_machine_status): Delete.
2343 (restore_machine_status): Delete.
2344 Amend comment describing {init|mark|free}_machine_status.
2346 * function.c (save_machine_status): Delete.
2347 (restore_machine_status): Delete.
2348 Amend comment describing {init|mark|free}_machine_status.
2349 (push_function_context_to): Remove invocation of
2350 save_machine_status.
2351 (pop_function_context_from): Remove invocation of
2352 restore_machine_status.
2354 * emit-rtl.c (init_emit_once): Amend comment describing
2355 {init|mark|free}_machine_status.
2357 * tm.texi (Per-Function Data): New node. Describe the
2358 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
2361 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
2363 * cppinit.c (OPT_g): Remove.
2364 (cpp_handle_option): Update for removed -g3.
2365 (print_help): Update.
2366 * cpplib.h (struct cpp_options): Remove debug_output.
2367 * cppmain.c (setup_callbacks, cb_define): Update.
2368 * gcc.c (cpp_options): Translate -g3 to -dD.
2370 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
2372 * config/i960/i960.md: Change modifier to + on the zero_extract
2373 pattern after the (rotate -2 reg) canonicalization pattern.
2375 2001-01-10 Richard Henderson <rth@redhat.com>
2377 * config/alpha/alpha.c (alpha_free_machine_status): New.
2378 (override_options): Install it.
2379 (alpha_mark_machine_status): Verify machine non-null.
2380 * config/i386/i386.c (ix86_free_machine_status): New.
2381 (override_options): Install it.
2382 (ix86_init_machine_status): Use xcalloc.
2383 (ix86_mark_machine_status): Verify machine non-null.
2384 * config/ia64/ia64.c (ia64_free_machine_status): New.
2385 (ia64_override_options): Install it.
2386 (ia64_mark_machine_status): Verify machine non-null.
2388 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
2390 * function.c (instantiate_virtual_regs): Instantiate virtual
2391 registers found in CALL_INSN_FUNCTION_USAGE.
2393 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
2395 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
2396 equivalent to -ansi in disabling -Di386.
2398 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
2400 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
2402 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
2404 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
2406 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
2408 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
2410 * invoke.texi: Document that -fcond-mismatch isn't supported for
2413 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
2415 * gcc.texi: Define macro gcctabopt.
2416 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
2417 @command, @env and @option in some places where appropriate. Use
2418 @gcctabopt where appropriate. Put URLs and email addresses inside
2421 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
2423 * gcc.c (cpp_options): Set MD file name from output
2424 filename, if specified.
2425 (suffix_subst): New static variable.
2426 (do_spec): Clear it.
2427 (do_spec_1, case '.'): Handle new `%.suffix' spec.
2429 (give_switch): Handle suffix_subst.
2431 2001-01-10 Phil Edwards <pme@sources.redhat.com>
2433 * invoke.texi: Fix another typo.
2435 2001-01-10 Phil Edwards <pme@sources.redhat.com>
2437 * invoke.texi: Fix typo.
2439 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
2441 * c-lang.c (lang_hooks): Update.
2442 (lang_decode_option): Remove.
2443 (lang_init_options): Rename c_init_options.
2444 * toplev.c (main): Use lang_hooks for lang_init_options
2445 and lang_decode_option.
2446 * toplev.h (lang_hooks): Add 2 new hooks.
2447 * tree.h: Remove lang_init_options and lang_decode_option.
2448 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
2449 * cp/decl2.c: Similarly.
2450 * cp/lex.c (lang_init_options): Rename cxx_init_options.
2451 (lang_hooks): Update.
2452 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
2454 (lang_init_options): Rename ffe_init_options.
2455 (lang_hooks): Update.
2456 (lang_decode_option): Remove.
2457 * java/lang.c (lang_init_options): Rename java_init_options.
2458 (lang_decode_option): Rename java_decode_option.
2459 (lang_hooks): Update.
2460 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
2461 (lang_decode_option): Rename objc_decode_option.
2462 (lang_hooks): Update.
2464 2001-01-09 Nick Clifton <nickc@redhat.com>
2466 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
2467 (d30v_return_addr_rtx): Delete.
2468 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
2469 cfun->machine structure.
2470 (struct machine_function): Move to d30v.h
2471 (d30v_save_machine_status): Delete.
2472 (d30v_restore_machine_status): Delete.
2473 (d30v_init_machine_status): New Function.
2474 (d30v_mark_machine_status): New Function.
2475 (d30v_free_machine_status): New Function.
2476 (d30v_init_expanders): Use new functions.
2477 (d30v_return_addr): Use ra_rtx field in cfun->machine.
2478 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
2479 d30v_return_addr_rtx.
2481 * config/d30v/d30v.h (struct_machine): Move here.
2482 Add eh_epilogue_sp_ofs field.
2484 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
2485 field in cfun->machine structure.
2487 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
2489 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
2490 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
2491 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
2493 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
2495 * objc/lang-options.h: Remove bogus reference to
2498 2001-01-09 Kazu Hirata <kazu@hxi.com>
2500 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
2503 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
2505 * reload.c (find_reloads_address): Check for eliminable registers
2506 when substituting a constant expression for a pseudo.
2508 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
2510 * c-common.c (enum format_type): Add format_type_error.
2511 (decode_format_type): New function.
2512 (decl_attributes): Use it.
2513 (format_kind_info): Adjust comment.
2515 2001-01-09 David O'Brien <obrien@BSDi.com>
2517 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
2518 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
2520 * config/i386/gnu.h: Don't include required platform specific .h files,
2521 tm.h will do it instead.
2522 * config/i386/i386elf.h: Likewise.
2523 * config/i386/linux.h: Likewise.
2524 * config/i386/moss.h: Likewise.
2525 * config/mips/gnu.h: Likewise.
2527 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2529 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
2530 (rs6000-ibm-aix3.[01]*): Likewise.
2531 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
2532 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
2533 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
2534 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
2535 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
2536 (powerpc-*-eabiaix*): Likewise.
2537 (powerpc-*-eabisim*): Likewise.
2538 (powerpc-*-elf*): Likewise.
2539 (powerpc-*-eabi*): Likewise.
2540 (powerpc-*-rtems*): Likewise.
2541 (powerpc-*-linux*libc1): Likewise.
2542 (powerpc-*-linux*): Likewise.
2543 (powerpc-wrs-vxworks*): Likewise.
2544 (powerpcle-wrs-vxworks*): Likewise.
2545 (powerpcle-*-sysv*): Likewise.
2546 (powerpcle-*-elf*): Likewise.
2547 (powerpcle-*-eabisim*): Likewise.
2548 (powerpcle-*-eabi*): Likewise.
2549 (powerpcle-*-solaris2*): Likewise.
2550 * config/rs6000/aix31.h: Delete includes.
2551 * config/rs6000/aix3newas.h: Likewise.
2552 * config/rs6000/aix41.h: Likewise.
2553 * config/rs6000/aix43.h: Likewise.
2554 * config/rs6000/beos.h: Likewise.
2555 * config/rs6000/rtems.h: Likewise.
2556 * config/rs6000/sysv4.h: Likewise.
2558 2001-01-09 Kazu Hirata <kazu@hxi.com>
2560 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
2561 Change an argument mode of machine_mode to shift_mode of
2562 shift_mode. Remove an extra error check.
2563 (emit_a_shift): Adopt to the new calling prototype of
2565 (function_prologue): Fix code for a monitor
2566 function. Support H8/S.
2567 (function_epilogue): Do not output pop for a monitor function.
2569 2001-01-09 Nick Clifton <nickc@redhat.com>
2571 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
2572 (setup_incoming_varargs): Use sysv_varargs_p field of the
2573 cfun->machine structure.
2574 (struct machine_function): Move to rs6000.h
2575 (rs6000_save_machine_status): Delete.
2576 (rs6000_restore_machine_status): Delete.
2577 (rs6000_init_machine_status): New Function.
2578 (rs6000_free_machine_status): New Function.
2579 (rs6000_init_expanders): Use new functions.
2581 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
2583 (struct machine_function): Move here.
2585 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
2586 sysv_varargs_p field of the cfun->machine structure.
2588 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
2590 (rs6000_restore_machine_status): Remove prototype.
2592 2001-01-09 Richard Henderson <rth@redhat.com>
2594 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
2595 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
2596 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
2597 (sched_analyze_2, sched_analyze_insn): Likewise.
2598 (sched_analyze, init_deps): Likewise.
2599 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
2600 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
2601 (compute_block_backward_dependences): Update propagate_deps call.
2603 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
2605 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
2607 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
2609 * cppinit.c (OPT_MD, OPT_MMD): Restore.
2610 (cpp_handle_option): Handle them.
2611 (cpp_post_options): Ensure one of -M or -MM is specified with
2612 any other -M? option.
2613 (init_dependency_output): Suppress output with -MG.
2615 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
2618 * invoke.texi: Update.
2620 2001-01-09 Bernd Schmidt <bernds@redhat.com>
2622 * sh.md (reload_outsf): Generate recognizable patterns for
2625 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
2627 * c-lang.c (lang_hooks): Update.
2628 (lang_init): Rename c_init.
2629 (lang_finish): Remove.
2630 * toplev.c (compile_file): Use lang_hooks for lang_init ()
2632 * toplev.h (lang_hooks): Add init () and finish ().
2633 * tree.h (lang_init, lang_finish): Remove.
2634 * cp/tree.h (lang_init, lang_finish): Remove.
2635 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
2636 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
2638 (lang_init, lang_finish): Remove.
2639 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
2640 (lang_hooks): Update.
2641 * java/lang.c (lang_init): Rename java_init.
2642 (lang_finish): Remove.
2643 (lang_hooks): Update.
2644 * objc/objc-act.c (lang_init): Rename objc_init.
2645 (lang_finish): Remove.
2646 (lang_hoooks): Update.
2648 20001-01-09 Graham Stott <grahams@redhat.com>
2650 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
2651 after `ptr` is initialised.
2653 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
2655 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
2656 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
2657 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
2658 stack adjusts, instead of r3.
2660 2001-01-09 Michael Hayes <mhayes@redhat.com>
2662 * flow.c (flow_loop_scan): Break out of ...
2663 (flow_loops_find) ... here.
2664 * basic-block.h (flow_loop_scan): New.
2665 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
2666 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
2668 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
2670 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
2672 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
2673 realloc()ing macro_buffer.
2675 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
2676 if it's wider than long and the target's long is wider than the
2679 2001-01-09 Mark Mitchell <mark@codesourcery.com>
2681 Remove support for using UWIN as a host machine.
2682 * configure.in: Issue an error message.
2683 * configure: Regenerated.
2684 * config.gcc: Remove xm_* UWIN configury.
2685 * config/i386/xm-uwin.h: Remove.
2687 2001-01-08 Nick Clifton <nickc@redhat.com>
2689 * config/v850/v850.c (ra_rtx): Delete.
2690 (v850_save_machine_status): Delete.
2691 (v850_restore_machine_status): Delete.
2692 (v850_init_machine_status): New function.
2693 (v850_mark_machine_status): New function.
2694 (v850_free_machine_status): New function.
2695 (v850_return_addr): Use ra_rtx field in machine structure.
2696 (v850_init_expanders): Use new functions.
2698 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
2699 * config/v850/v850.c: Change arguments to v850_output+* functions
2700 to take a const char *, to avoid compile time warning.
2701 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
2702 (USER_LABEL_PREFIX): Redefine.
2704 2000-01-08 Jim Wilson <wilson@redhat.com>
2706 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
2707 1 to unsigned HOST_WIDE_INT before left shift.
2709 2001-01-08 Nick Clifton <nickc@redhat.com>
2711 * config/arm/arm.c (arm_mark_machine_status): Check to see if
2712 the machine structure has been allocated.
2713 (arm_free_machine_status): New function: Free the machine
2714 specific function structure.
2716 2001-01-08 Richard Henderson <rth@redhat.com>
2718 * jump.c (simplejump_p): Revert last change.
2720 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
2722 * cppinit.c (init): Rename init_library.
2723 (cpp_create_reader): Update.
2724 * gcc.c (cpp_options): If -o given, use it as the target of
2727 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
2729 * arm.c (arm_arch5e): New variable.
2730 (all_cores): XScale is a 5TE device.
2731 (arm_override_options): Set arm_arch5e.
2732 (arm_init_builtins): __builtin_prefetch is in arch5e.
2733 * arm.h (arm_arch5e): Declare it.
2735 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
2737 * arm.md (define_constants): Add defines for UNSPEC and
2738 UNSPEC_VOLATILE insns. Update all users.
2739 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
2740 * arm.c (multi_register_push, note_invalid_constants)
2741 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
2742 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
2743 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
2745 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
2747 * jump.c (jump_optimize_1): Use reversed_comparison_code
2748 instead of can_reverse_comparison_p.
2749 (jump_back_p): Likewise.
2750 (invert_exp_1): Likewise.
2751 (thread_jumps): Likewise.
2752 * simplify-rtx.c (simplify_unary_operation): Likewise.
2753 (simplify_ternary_operation): Likewise.
2754 * cse.c (find_comparison_args): Convert to use
2755 can_reverse_comparison_p.
2756 (record_jump_equiv): Likewise.
2758 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
2760 * arm.h (HARD_REGNO_RENAME_OK): Delete.
2761 (EPILOGUE_USES): Define.
2762 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
2763 automatically stack the LR if it isn't live.
2765 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
2767 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
2770 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
2772 * ggc-page.c (max_alignment): New structure.
2773 (MAX_ALIGNMENT): New macro.
2774 (init_ggc): Use it to round up the sizes in the
2775 extra_order_size_table.
2777 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2779 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
2782 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2784 * builtins.def (BUILT_IN_FPRINTF): New entry.
2786 * c-common.c (c_expand_builtin_fprintf): New function.
2787 (init_function_format_info): Handle __builtin_fprintf.
2788 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
2789 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
2791 * c-decl.c (duplicate_decls): Adjust comment.
2793 * extend.texi (fprintf): Document new builtin.
2795 2001-01-07 Richard Henderson <rth@redhat.com>
2797 * jump.c (simplejump_p): Recognize any single_set jump
2800 2001-01-07 Richard Henderson <rth@redhat.com>
2802 * configure.in (slibdir): Accept an --with-slibdir option.
2803 Use "test" not "[" in configure. Default to $(libdir).
2805 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
2807 * config/t-aix43 (SHLIB_INSTALL): Likewise.
2808 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
2809 (SHLIB_LINK): Create links for the soname.
2810 * config/mips/t-iris6: Likewise.
2811 * config/sparc/t-slibgcc: Likewise.
2812 * config/sparc/t-slibgcc-sld: Likewise.
2814 2001-01-07 Jakub Jelinek <jakub@redhat.com>
2816 * config/i386/i386.c (constant_call_address_operand): Accept
2817 (const (plus (symbol_ref) (const_int))).
2818 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
2819 constant_call_address_operand.
2821 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2823 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
2824 and LONG_LONG_TYPE_SIZE > 32.
2826 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2828 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
2829 the previous change.
2831 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
2833 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
2835 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
2836 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
2837 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
2840 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
2842 * fix-header.c (read_scan_file): s/pfile/scan_in/.
2844 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
2846 * c-lang.c (c_post_options): Call cpp_post_options.
2847 * objc/objc-act.c (objc_post_options): Similarly.
2848 * cppmain.c (main): Similarly.
2849 * fix-header.c (read_scan_file): Similarly.
2850 * cppinit.c (cpp_start_read): Move option consistency checks
2851 to cpp_post_options. Don't call init_dependency_output.
2852 If needed, add default target and main file dependency.
2853 (OPT_MD, OPT_MMD): Remove.
2855 (cpp_handle_option): Update for OPT_* changes.
2856 (cpp_post_options): New.
2857 (init_dependency_output): Command line -MF overrides environment
2858 variables. Don't set default target etc. Suppress output
2859 if dependencies are going to stdout.
2860 (print_help): Update.
2861 * cpplib.h (cpp_post_options): New.
2862 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
2864 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
2866 * jump.c (comparison_dominates_p): Support unordered compares.
2868 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
2870 * simplify-rtx.c (simplify_relational_operation): Always simplify
2871 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
2874 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
2876 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
2877 (nonzero_bits): Likewise.
2878 (simplify_comparison): Likewise.
2879 (num_sign_bit_copies): Likewise; return more sane value depending
2880 on STORE_FLAG_VALUE.
2881 (known_cond): Do not assume EQ to be always true for equivalent
2884 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
2886 * cse.c (fold_rtx): Handle unordered comparisons.
2888 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
2890 * rtlanal.c (set_of_1): New static function.
2891 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
2892 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
2893 reg_set_last_last_regno): Remove.
2894 (set_of): New global function.
2895 (set_of_data): New structure.
2896 (reg_set_p, reg_set_last): Revamp for set_of.
2897 * rtl.h (set_of): New.
2899 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
2901 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
2902 * extend.texi: Document _Exit builtin.
2904 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
2906 * (initialize, initialize_builtins,
2907 initialize_dependency_output, initialize_standard_includes):
2908 Rename s/initialize/init. Update.
2909 (init_dependency_output): Move to after
2910 cpp_handle_options, the correct location temporally at least.
2911 (opt_comp): Move next to init (), its caller. Fix prototype.
2912 (init): Make "initialized" local scope.
2913 (cpp_create_reader): Always call init ().
2914 (cpp_start_read): Update.
2915 (output_deps): New function, broken out of cpp_finish.
2916 (cpp_finish): Break out output_deps.
2918 2001-01-07 Richard Henderson <rth@redhat.com>
2920 * collect2.c (COFF specific stuff): Revert 12-06 patch
2921 to prototype system functions.
2923 2001-01-07 Michael Hayes <mhayes@redhat.com>
2925 * hard-reg-set.h: Add multiple include guard.
2926 * basic-block.h (struct loop): Add `sink' field.
2927 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
2928 (emit_iv_add_mult): Delete.
2929 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
2930 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
2931 (unroll_loop): Remove end_insert_before argument.
2932 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
2933 (maybe_eliminate_biv_1): Likewise.
2934 (emit_iv_add_mult): Delete.
2935 (gen_add_mult, loop_regs_update): New.
2936 (loop_insn_emit_after, loop_insn_emit_before): New.
2937 (loop_insn_sink, loop_insn_sink_or_swim): New.
2938 (emit_iv_add_mult): Delete.
2939 (scan_loop): Set loop->sink.
2940 (loop_givs_reduce): Use loop_insn_sink and its ilk.
2941 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
2942 (maybe_eliminate_biv_1): Likewise.
2943 (maybe_eliminate_biv_1): Add basic block argument.
2944 * unroll.c (unroll_loop): Remove end_insert_before argument.
2945 (find_splittable_regs): Likewise.
2946 (find_splittable_regs): Use loop_insn_sink and its ilk.
2947 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
2949 2001-01-07 Michael Hayes <mhayes@redhat.com>
2951 * loop.h (loop_insn_hoist): New prototype.
2952 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
2953 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
2954 (check_dbra_loop, load_mems): Likewise.
2955 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
2956 (find_splittable_givs): Likewise.
2958 2001-01-07 Michael Hayes <mhayes@redhat.com>
2960 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
2962 2001-01-07 Richard Henderson <rth@redhat.com>
2964 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
2966 2001-01-07 Richard Henderson <rth@redhat.com>
2968 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
2969 NO_SHARED_LIBGCC_MULTILIB as required for the target.
2970 * gcc.c (init_spec): Massage the existing libgcc_spec into a
2971 variant that handles a shared libgcc.
2972 (process_command): Always validate -{static,shared}-libgcc.
2973 (do_spec_1): New 'M' case.
2974 * invoke.text (Link Options): Document -{static,shared}-libgcc.
2976 2001-01-07 Richard Henderson <rth@redhat.com>
2978 * Makefile.in (slibdir): New variable.
2979 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
2980 (installdirs): Create slibdir.
2981 (install-libgcc, install-multilib): Defer to libgcc.mk.
2982 * configure.in (slibdir): Substitute.
2983 * mklibgcc.in (install): New target.
2985 * config/t-linux (SHLIB_LINK): Create links for the soname.
2986 (SHLIB_INSTALL): New.
2987 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
2988 * config/mips/t-iris6 (SHLIB_INSTALL): New.
2989 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
2990 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
2991 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
2993 2001-01-07 Richard Henderson <rth@redhat.com>
2995 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
2996 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
2997 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
2999 2001-01-07 Michael Hayes <mhayes@redhat.com>
3001 * loop.c (count_loop_regs_set): Delete.
3002 (load_mems_and_recount_loop_regs_set): Delete.
3003 (loop_regs_scan): Merge common code from count_loop_regs_set,
3004 scan_loop, and load_mems_and_recount_loop_regs_set.
3005 (scan_loop): Call load_mems directly and loop_regs_scan
3006 again if new registers created.
3008 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
3010 * toplev.c (main): Call the front-end specific post_options
3011 hook if one is given.
3012 * toplev.h (struct_lang_hooks, lang_hooks): New.
3013 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
3014 for the C front end.
3015 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
3016 lang_hooks for the C++ front end.
3017 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
3018 lang_hooks for the ObjC front end.
3019 * f/com.c (lang_hooks): Hooks for the Fortran front end.
3020 * java/lang.c (lang_hooks): Hooks for the Java front end.
3022 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
3024 * c-lex.c (init_c_lex): Request #define / #undef callbacks
3025 for verbose DWARF[2] debugging.
3026 (cb_define, cb_undef): The new callbacks.
3027 * toplev.h (debug_define, debug_undef): Make const correct.
3028 * toplev.c (debug_define, debug_undef): Similarly. Do not
3029 perform the verbosity tests here anymore.
3031 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
3033 * reload.c (subst_reloads): Take INSN argument. When
3034 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
3035 * reload.h (subst_reloads): Adjust prototype.
3036 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
3037 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
3038 present in JUMP_INSNs and copy them to JUMP_LABEL.
3039 * flow.c (find_label_refs, find_basic_blocks_1): Skip
3040 JUMP_INSNs and insns with REG_LABELs that are followed by
3041 JUMP_INSNs with the same REG_LABEL.
3042 * sched-rgn.c (is_cfg_nonregular): Likewise.
3043 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
3045 * unroll.c (unroll_loop): Look for REG_LABEL notes in
3047 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
3049 2001-01-06 Richard Henderson <rth@redhat.com>
3051 * loop.c (scan_loop): Use xcalloc for the regs array.
3052 (load_mems_and_recount_loop_regs_set): Zero the new memory
3053 received from xrealloc.
3055 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
3057 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
3059 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
3061 * integrate.c (copy_rtx_and_substitute): When copying
3062 an ignored return value, strip REG_FUNCTION_VALUE_P.
3064 2001-01-06 Michael Hayes <mhayes@redhat.com>
3066 * loop.c (debug_biv, debug_giv): New.
3067 (loop_biv_dump): Break out from ...
3068 (record_biv): ... here.
3069 (loop_giv_dump): Break out from ...
3070 (record_giv): ... here.
3071 (loop_bivs_check): Use print_simple_rtl.
3072 * unroll.c (loop_iterations): Use print_simple_rtl.
3074 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
3076 * pa.md (return, return_internal): Modify patterns to prevent regrename
3077 mucking with the return pointer.
3079 2001-01-05 Richard Henderson <rth@redhat.com>
3081 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
3083 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
3085 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
3086 version supplied by Matteo Frigo.
3088 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
3090 * cpp.texi: Update for -MQ.
3091 * cppinit.c (cpp_create_reader): Always create pfile->deps.
3092 (cpp_cleanup): Always free pfile->deps.
3093 (initialize_dependency_output): Don't create pfile->deps.
3094 (cpp_handle_option): Similarly.
3096 * gcc.c (cpp_options): Handle -MQ.
3097 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
3098 * mkdeps.c (base_name): Remove.
3099 (deps_init): Don't allocate vector space until it's needed.
3100 (deps_free): Only free vectors if allocated.
3101 (deps_add_target, deps_add_dep): Update for initial allocation.
3102 (deps_add_default_target): Don't strip to the base_name.
3104 2001-01-05 DJ Delorie <dj@redhat.com>
3106 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
3107 (INIT_EXPANDERS): Define.
3109 * config/v850/v850.c (struct machine_function): Define.
3110 (v850_save_machine_status): New function.
3111 (v850_restore_machine_status): New function.
3112 (v850_return_addr): New function.
3113 (v850_init_expanders): New function.
3115 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
3116 and v850_init_expanders.
3118 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
3120 * cpplib.h (struct cpp_reader): Add help_only field.
3121 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
3122 (cpp_handle_option): Set pfile->help_only if we see -h,
3123 --help, -target-help, or --version. Print version string but
3124 do not set help_only if we see -v or -version. Make text
3125 printed by -v match that printed by (-)-version.
3127 * cppmain.c (main): Exit after option parsing if
3128 pfile->help_only is true.
3130 * toplev.c (independent_decode_option): Call print_version,
3131 then exit, if we see --version (but not -version).
3132 (print_version): Split lengthy message into two lines.
3134 2001-01-05 Nick Clifton <nickc@redhat.com>
3136 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
3137 temporary string for initialisation before calling ggc_alloc_string.
3139 2001-01-06 Michael Hayes <mhayes@redhat.com>
3141 * rtl.h (print_simple_rtl): New.
3142 * print-rtl.c (print_simple_rtl): New.
3144 (print_rtx): Disable printing of flags and modes, etc.,
3145 if `flag_simple` nonzero.
3147 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
3149 * function.c (fixup_var_refs): Use push_to_full_sequence where
3152 2001-01-05 Michael Meissner <meissner@redhat.com>
3154 * flags.h (flag_reorder_blocks): Add declaration.
3155 (flag_rename_block): Ditto.
3157 2001-01-05 DJ Delorie <dj@redhat.com>
3159 * function.c (reorder_blocks): Make sure the flags are all reset
3160 before using them to mark blocks, else a second invocation will
3161 corrupt the block chain.
3162 (reorder_blocks_0): New, resets the flags.
3164 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
3166 * cse.c (find_comparison_args): Stop if the argument is known to
3169 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
3171 * config/sh/sh.md (movdf): When splitting load into pair of
3172 registers, don't clobber the register used in the address too
3175 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
3177 * varasm.c (mark_constant_pool): Improve initial comments.
3178 (mark_constants): Move marking of constants to mark_constant.
3179 (mark_constant): New function to recursively mark all constants
3180 referred to by a constant.
3182 2001-01-05 Catherine Moore <clm@redhat.com>
3184 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
3186 2001-01-05 Phil Edwards <pme@sources.redhat.com>
3188 * cp/lang-options.h: Bring comment in line with reality.
3189 * f/lang-options.h: Likewise.
3190 * java/lang-options.h: Likewise.
3191 * objc/lang-options.h: Likewise.
3192 * ch/lang-options.h: Likewise.
3193 * f/g77.texi: And update the manual.
3195 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
3196 Denis Chertykov <denisc@overta.ru>
3198 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
3199 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
3200 * config/avr/avr.md (all peepholes that request a scratch register):
3201 Call it, FAIL the peephole if not safe (in interrupt functions).
3203 2001-01-05 Mark Mitchell <mark@codesourcery.com>
3205 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
3207 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
3209 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
3211 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
3212 BUILT_IN_CREAL and BUILT_IN_CIMAG.
3213 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
3214 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
3215 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
3217 * extend.texi: Document these builtins.
3219 2001-01-05 Daniel Berlin <dberlin@redhat.com>
3221 * c-common.c (lang_get_alias_set): Say we know nothing of
3222 VECTOR_TYPE aliasing.
3224 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
3226 2001-01-05 Bruce Korb <bkorb@gnu.org>
3228 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
3229 their x* equivalent versions for atexit-less systems
3230 * fixinc/fixincl.c(main): do not return from main() on atexit-less
3231 systems (or any other system any more).
3233 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
3235 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
3236 output operands. Use arm_hard_register_operand for operand 4.
3237 (stmsi_postinc): Similarly.
3238 (ldmsi): Use arm_hard_register_operand for opernand 2.
3240 * arm.c (arm_hard_register_operand): New function.
3241 * arm-protos.h (arm_hard_register_operand): Prototype it.
3243 * arm.h (HARD_REGNO_RENAME_OK): Define.
3245 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
3247 * simplify-rtx.c (cfc_args): add "unordered" field.
3248 (check_fold_consts): Set unordered field.
3249 (simplify_relational_operation): Simplify the unordered
3252 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
3255 * emit-rtl.c (try_split): Fix code to mark labels.
3256 * jump.c (mark_jump_label): Make global.
3257 * rtl.h (mark_jump_label): Declare.
3259 * predict.c (estimate_probability): Handle unordred comparisons.
3261 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
3263 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
3264 * cppinit.c (initialize_dependency_output): Update.
3265 (cpp_finish): Output dummy targets for -MP.
3267 (cpp_handle_option): Handle -MP. Don't quote -MT options.
3268 * cpplib.h (struct cpp_options): Add deps_phony_targets.
3269 * gcc.c (cpp_options): Update to handle -MP.
3270 * mkdeps.c (deps_add_target, deps_add_default_target): Update
3271 to quote only the default target.
3272 (deps_phony_targets): Insert a preceding newline. Rename from
3273 deps_dummy_targets for consistency.
3276 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
3278 * calls.c (emit_library_call_value_1): Support
3279 INIT_CUMULATIVE_LIBCALL_ARGS.
3280 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
3282 2001-01-04 Richard Henderson <rth@redhat.com>
3284 * c-decl.c (finish_struct): Detect flexible array members
3285 used in an inappropriate context.
3286 * c-typeck.c (really_start_incremental_init): Special case
3287 constructor_max_index for zero length arrays.
3288 (pop_init_level): Allow initialization of flexible array
3289 members. Deprecate initialization of zero length arrays.
3290 Don't issue missing initializer warning for flexible array
3291 members or zero length arrays.
3292 (process_init_element): Don't dereference null DECL_SIZE.
3293 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
3294 Don't abort for empty constructors. Use size_binop
3295 (output_constructor): Add commentary regarding zero length
3296 array futures. Abort if we try to initialize an array of
3297 unspecified length with a non-empty constructor in the middle
3300 * extend.texi (Zero Length): Update and clarify documentation
3301 on static initialization.
3303 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3305 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
3306 with more than 32767 words of local storage.
3308 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3310 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
3311 for 'abs', 'labs', and 'fabs'.
3312 (c4x_expand_builtin): Likewise.
3313 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
3315 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
3317 * config/sh/sh.md (prget, prset): New insn types.
3318 (return delay slot): Dont' allow prset.
3319 (call, sfunc delay slot): Don't allow prget.
3320 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
3321 for prset and prget.
3323 2001-01-05 Michael Hayes <mhayes@redhat.com>
3325 * loop.h (struct loop_reg): New.
3326 (struct loop_regs): Change to use array of `struct loop_reg'.
3327 * loop.c: Replace assortment of varrays with single regs array.
3328 (count_one_set): Delete may_not_move array argument
3329 and use regs array instead. All caller's changed.
3330 (count_loop_regs_set): Delete may_not_move and single_usage
3331 arguments and use regs array instead. All caller's changed.
3332 (find_single_use_in_loop): Replace usage array argument with pointer
3333 to regs structure. All caller's changed.
3334 (loop_optimize): Delete `moved_once' array.
3336 2001-01-05 Michael Hayes <mhayes@redhat.com>
3338 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
3339 Use it instead of loop_info->has_call for scanning loop mems.
3340 (check_dbra_loop): Replace loop_info->has_call test with
3341 loop_info->has_nonconst_call.
3343 2000-01-04 Matthew Hiller <hiller@redhat.com>
3345 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
3348 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
3350 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
3351 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
3353 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
3355 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
3356 (flag_short_double, flag_short_wchar): Define.
3357 (c_common_nodes_and_builtins): Create many tree nodes shared
3358 between C and C++ here instead of in cp/decl.c and ...
3359 * c-decl.c (init_decl_processing): ... here.
3360 (SIZE_TYPE, WCHAR_TYPE): Don't define.
3361 (flag_short_double, flag_short_wchar): Don't define.
3362 (record_builtin_type): New function.
3363 (build_void_list_node): New function.
3364 * c-common.h (flag_short_double, flag_short_wchar,
3365 record_builtin_type, build_void_list_node): Declare.
3367 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
3369 * integrate.c (expand_inline_function): Don't put a virtual
3370 register into the reg map.
3372 * function.c (fixup_var_refs_1): If force_operand didn't put
3373 the address into the target, move it there.
3375 2001-01-04 Mark Mitchell <mark@codesourcery.com>
3377 Special-case tree_decl/tree_list allocations.
3378 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
3379 (OBJECT_SIZE): New macro.
3380 (NUM_EXTRA_ORDER): Likewise.
3381 (extra_order_size_table): New variable.
3382 (NUM_ORDERS): New macro.
3383 (objects_per_page_table): New variable.
3384 (object_size_table): New variable.
3385 (G.pages): Use NUM_ORDERS to bound the array.
3386 (G.page_tails): Likewise.
3387 (DIV_ROUND_UP): Remove.
3388 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
3389 (alloc_page): Use OBJECT_SIZE.
3390 (size_lookup): Don't make it const.
3391 (ggc_alloc): Use OBJECT_SIZE.
3392 (ggc_set_mark): Likewise.
3393 (ggc_get_size): Likewise.
3394 (init_ggc): Set up the object_size_table, objects_per_page_table,
3395 and adjust size_lookup.
3396 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
3397 (ggc_pop_context): Use NUM_ORDERS.
3398 (clear_marks): Likewise.
3399 (sweep_pages): Likewise.
3400 (poison_pages): Likewise.
3401 (ggc_print_statistics): Use OBJECT_SIZE.
3403 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3405 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
3406 Only call array_size_for_constructor if last field and array type
3407 with no upper bound.
3409 2001-01-04 Philip Blundell <philb@gnu.org>
3411 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
3412 from bit 31 downwards, if this requires no more insns.
3413 (count_insns_for_constant): New helper function for above.
3415 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
3417 * gencodes.c (output_predicate_decls): Remove empty initializer.
3419 2001-01-04 Mark Mitchell <mark@codesourcery.com>
3421 * tree.c (copy_node): Remove documentation about obstacks.
3422 (buidl1): Check that nobody tries to build 2-argument nodes this
3425 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3427 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
3430 * gencodes.c (output_predicate_decls): Fill empty initializer
3433 2001-01-04 Jakub Jelinek <jakub@redhat.com>
3435 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
3436 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
3438 (do_include): Handle missing headers like cpp0.
3439 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
3440 paths with first include pathname. Don't strcat to uninitialized
3443 2001-01-04 Bernd Schmidt <bernds@redhat.com>
3445 * regrename.c (regrename_optimize): Don't rename from frame pointer
3446 if frame_pointer_needed.
3447 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
3448 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
3449 (ia64_reorg): Use it instead of scheduling if ! optimize.
3450 (errata_emit_nops): Properly call asm_noperands.
3451 (ia64_sched_reorder): Finish cycle if we see an asm.
3452 (ia64_variable_issue): Clear scheduling state after asms.
3454 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
3456 * cpp.texi: Update for -MT.
3457 * cppinit.c (initialize_dependency_output): Add a default
3458 target if none has been given already.
3459 (no_tgt, OPT_MT): New.
3460 (cpp_handle_option): Handle -MT. Update -M etc.
3461 * cpplib.h (struct cpp_options): Remove deps_target.
3462 * gcc.c (cpp_options): Handle -MT.
3463 * mkdeps.c (struct deps): Move from mkdeps.h.
3464 (deps_calc_target): Rename deps_add_default_target. Add a
3465 default target if none has been specified already.
3466 * mkdeps.h (struct deps): Move to mkdeps.c.
3467 (deps_calc_target): Rename deps_add_default_target.
3469 2000-01-03 Richard Henderson <rth@redhat.com>
3471 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
3473 * c-typeck.c (push_init_level): Move checks for flexible array
3474 members and zero length arrays ...
3475 (pop_init_level): ... here. Silently discard empty initializations.
3477 * varasm.c (output_constructor): Update for sizeof change to
3480 * extend.texi (Zero Length): Clarify semantics.
3482 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
3484 * configure.in (tm.h): Include isns-codes.h last.
3485 * configure: Rebuilt.
3487 2001-01-03 Richard Henderson <rth@redhat.com>
3489 * config/alpha/alpha.md (addvsi3, addvdi3): New.
3490 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
3492 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3494 * tradcpp.c (main): Make sure finclude() is called with a valid
3495 indepth value while handling -include.
3497 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
3499 * gencodes.c (output_predicate_decls): New function.
3501 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
3502 even if it is not the first time machmode.h is #included.
3503 * config/sh/sh.c (fpul_operand): Declare MODE argument.
3504 * tm.texi (PREDICATE_CODES): Document predicate declarations.
3505 * gcc.texi (Copyright): Added 2001.
3507 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
3509 * c-common.c (c_common_lang_init): New function. Warn if format
3510 warning options which only have effects when used with -Wformat
3511 are used without -Wformat.
3512 * c-common.h (c_common_lang_init): Declare.
3513 * c-lang.c (lang_init): Call c_common_lang_init.
3514 * objc/objc-act.c (lang_init): Call c_common_lang_init.
3516 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
3518 * configure.in: Check for the mktemp command.
3519 * configure: Regenerate.
3520 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
3521 $TEMP. Create temporary files with mktemp, if available at
3522 configure time; otherwise use set -C. Remove temporary files
3525 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
3527 * configure.in: Require at least texinfo 4.0. Check for whether
3528 Pod::Man is sufficiently recent to regenerate GCC manpages.
3529 * configure: Regenerate.
3530 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
3532 (GENERATED_MANPAGES): Define.
3533 (generated-manpages): New target. Depend on cpp.1 as well as
3535 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
3536 configure to generated-manpages or empty) rather than on the
3537 manpages directly. Remove execute permission from installed
3538 gcov.1 as well as cpp.1.
3539 * cpp.1, gcov.1: Regenerate.
3541 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3543 * builtins.c (expand_builtin_strncmp): Use host_integerp and
3544 tree_low_cst. Allow using cmpstrsi in more cases.
3546 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3548 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
3551 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
3553 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
3554 * Makefile.in (HOST_CFLAGS): Mention build-make.
3556 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3558 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
3561 2001-01-01 Bernd Schmidt <bernds@redhat.com>
3563 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
3566 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
3569 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
3570 reg_base_value and reg_known_value arrays.
3571 (init_alias_analysis): Add more cases to detect known values.
3572 * sched-deps.c (deps_may_trap_p): New function.
3573 (sched_analyze_2): Use it.
3575 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
3577 * combine.c (simplify_shift_const): Even if we're sign-extracting,
3578 don't discard an ASHIFTRT if we're shifting in a wider mode.
3580 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
3582 * toplev.c (rest_of_compilation): Don't print basic block information
3583 when CFG isn't up to date.
3585 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
3587 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
3588 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
3589 (UNALIGNED_SHORT_ASM_OP): Define.
3590 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
3592 2001-01-02 Mark Mitchell <mark@codesourcery.com>
3594 * fold-const.c (fold_convert): Fix typo.
3596 2001-01-02 Richard Henderson <rth@redhat.com>
3598 * c-common.h (ASM_INPUT_P): New.
3599 * c-parse.in (asm): Set it when needed.
3600 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
3601 existance of an operand.
3603 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
3605 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
3606 (dwarf2out_frame_debug_expr): Likewise.
3607 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
3609 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
3611 * i386.c (ix86_split_to_parts): Return number of part required;
3613 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
3615 (ix86_split_long_move): Use number of part returned
3616 by ix86_split_to_parts
3617 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
3619 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
3620 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
3621 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
3622 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
3623 (ALIGN_MODE_128): Add TFmode.
3624 (IS_STACK_MODE): Likewise.
3625 (HARD_REGNO_NREGS): TFmode needs 3 registers.
3626 (HARD_REGNO_OK): Support TFmodes.
3627 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
3628 * i386.md (scheduler definitions): Use memory operand to determine
3629 fst/fld instructions; use mode attribute to determine real mode of
3631 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
3632 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
3634 2001-01-02 Mark Mitchell <mark@codesourcery.com>
3636 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
3638 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
3640 * expr.c (store_constructor_field): Update ALIGN before calling
3643 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
3645 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
3648 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
3650 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
3653 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
3655 * c-decl.c (start_function): Don't warn on third parameter to main.
3657 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3659 * tsystem.h: Define HAVE_DECL_GETOPT.
3661 2001-01-02 Philip Blundell <pb@futuretv.com>
3663 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
3666 2001-01-02 Richard Henderson <rth@redhat.com>
3668 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
3670 2001-01-02 Andreas Jaeger <aj@suse.de>
3672 * c-decl.c (c_decode_option): Remove support of
3675 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
3676 (W_options): Add -Wmissing-noreturn here.
3678 * flow.c: Define lang_missing_noreturn_ok_p.
3679 (check_function_return_warnings): Use it.
3681 * c-common.h: Declare lang_missing_noreturn_ok_p.
3683 * c-lang.c (c_missing_noreturn_ok_p): New function.
3684 (lang_init): Set lang_missing_noreturn_ok_p.
3686 * invoke.texi (Warning Options): Document this.
3688 2000-12-27 Phil Edwards <pme@sources.redhat.com>
3690 * extend.texi (C++ Extensions): New node for C++ attributes;
3691 describe init_priority and com_interface.
3692 * invoke.texi: Remove -finit-priority as it now has zero effect.
3693 * install.texi: Fix xref syntax.
3694 * md.texi: Likewise.
3696 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3698 * config.gcc (sparc64-wrs-vxworks*): New case.
3699 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
3701 * config/sparc/sparc.c (sparc_override_options): Do support different
3702 pointer and architecture size.
3703 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
3704 (POINTERS_EXTEND_UNSIGNED): Define.
3705 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
3706 (FUNCTION_MODE): Define to be Pmode.
3707 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
3709 * function.c (expand_function_end): Properly handle DECL_RESULT
3710 and copy when ptr_mode != Pmode.
3711 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
3713 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3715 * c-common.c (c_common_nodes_and_builtins): Set prototype
3716 parameters for __builtin_fputs, __builtin_fputc and
3717 __builtin_fwrite. Don't declare plain fputc as a builtin.
3719 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
3721 * loop.c (add_label_notes): Increment the label usage count when
3722 a note is added to an insn which refers to a CODE_LABEL.
3723 * gcse.c (add_label_notes): Likewise.
3725 2001-01-01 Andreas Jaeger <aj@suse.de>
3727 * loop.c (scan_loop): Use xmalloc to allocate movables.
3729 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
3731 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
3732 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
3733 * reload1.c (REGISTER_MOVE_COST): Likewise.
3734 * regclass.c (REGISTER_MOVE_COST): Likewise.
3735 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
3736 dimension. Adjust all users.
3737 (init_reg_sets_1): Iterate on all modes.
3738 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
3739 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
3740 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
3741 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
3742 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
3743 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
3744 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
3745 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
3746 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
3747 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
3748 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
3749 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
3750 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
3751 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
3752 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
3753 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
3754 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
3755 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
3756 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
3757 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
3758 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
3759 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
3760 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
3761 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
3762 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
3763 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
3764 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
3766 2001-01-01 Bernd Schmidt <bernds@redhat.com>
3768 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
3769 arg VARIES_P. Call it with extra arg.
3770 (true_dependence): Likewise.
3771 * rtl.h (rtx_addr_can_trap_p): Declare.
3772 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
3774 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
3775 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
3776 pic offset table register if it's zero. All callers changed.
3777 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
3779 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3781 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
3782 STRING_POOL_ADDRESS_P.
3784 * config/sparc/sparc.c (input_operand): Properly test for short op.
3786 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
3787 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
3788 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
3789 * config/sparc/elf.h: No longer include sol2.h.
3790 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
3791 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
3793 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
3795 2001-01-01 Michael Hayes <mhayes@redhat.com>
3797 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
3798 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
3799 (record_initial): Likewise.
3800 * unroll.c (copy_loop_body, loop_iterations): Likewise.
3801 (remap_split_bivs): Likewise.
3803 2001-01-01 Michael Hayes <mhayes@redhat.com>
3805 * loop.c (loop_ivs_free): New function.
3806 (strength_reduce): Break out from...
3808 2001-01-01 Michael Hayes <mhayes@redhat.com>
3810 * loop.h (struct iv): New.
3811 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
3812 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
3813 'reg_biv_class' fields with 'regs' and 'n_regs'.
3814 (struct ivs): Rename 'loop_iv_list' field to 'list'.
3815 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
3816 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
3818 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
3820 * resource.c (mark_referenced_resources): Abort() before
3821 attempting to mark a pseudo register.
3822 (mark_set_resources): Likewise.
3824 2001-01-01 Michael Hayes <mhayes@redhat.com>
3826 * loop.h (REG_IV_CLASS): New accessor macro.
3827 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
3828 * unroll.c (REG_IV_CLASS): Likewise.
3830 See ChangeLog.4 for earlier changes.