1 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
3 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
4 (TARGET_NO_BITFIELD_WORD): New macro.
5 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
6 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
8 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10 * cselib.c: New file, from simplify-rtx.c.
11 * simplify-rtx.c: Remove cselib parts.
12 * Makefile.in: Add cselib.o.
14 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
16 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
17 (setup_incoming_varargs): Remove warning.
19 * config/rs6000/rs6000.c (validate_condition_mode): When
20 flag_fast_math, allow floating-point conditionals to be reversed.
21 (rs6000_generate_compare): When flag_fast_math, don't generate
22 cror operations for FP conditionals.
24 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
27 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
29 (LINK_TARGET_SPEC): Likewise.
30 (CPP_ENDIAN_SPEC): Likewise.
31 * Makefile.in (check-consistency): New target.
33 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
35 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
36 "return type defaults" warning for functions with return type
38 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
39 function declarations by default rather than only when pedantic.
41 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
43 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
46 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
48 * extend.texi (Deprecated): Deprecate new initializer lists.
50 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
52 * mkdeps.c (deps_add_default_target): Robustify. Add
53 basename component only.
54 * cpp.texi (-M): Describe how default target is generated.
55 * invoke.texi (-M): Likewise.
57 2001-02-12 Kazu Hirata <kazu@hxi.com>
59 * toplev.c (push_float_handler): Remove.
60 (pop_float_handler): Remove.
61 * toplev.h: Remove prototypes for the above functions.
63 2001-02-12 Jakub Jelinek <jakub@redhat.com>
65 * c-common.c (constant_fits_type_p): New function.
66 (convert_and_check): Use it.
68 2001-02-11 Mark Mitchell <mark@codesourcery.com>
70 * Makefile.in (GXX_ABI_FLAG): Don't define.
71 * configure.in (--enable-new-gxx-abi): Remove option.
72 * config.in: Regenerated.
73 * configure: Likewise.
75 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
77 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
79 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
80 regular basic block, and arrange for all edges into it to switch
83 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
85 * Makefile.in (distclean): Do not remove .gdbinit.
87 2001-02-11 Mark Mitchell <mark@codesourcery.com>
89 * Makefile.in (gcc.o): Fix typos.
90 (protize.o): Likewise.
91 (unprotoize.o): Likewise.
93 2001-02-11 Richard Henderson <rth@redhat.com>
95 * tree.c (build1): Check for null operand in last change.
97 2001-02-11 Richard Henderson <rth@redhat.com>
99 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
100 (fold): Don't assume a constant isn't foldable.
101 * tree.c (build): Set TREE_CONSTANT for an expression with no
102 side-effects and constant operands.
105 2001-02-10 Richard Henderson <rth@redhat.com>
107 * jump.c (squeeze_notes): Revert 2000-05-12 change.
109 2001-02-10 Anthony Green <green@redhat.com>
111 * cpp.texi (Standard Predefined): Add documentation for
114 * c-common.c (combine_strings): Improve warning message.
116 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
118 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
120 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
122 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
124 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
127 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
129 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
132 2001-02-09 Nick Clifton <nickc@redhat.com>
134 * config/arm/arm.md: Change output contraint on post inc
135 load/store multiple patterns to be a read/write contraint.
137 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
139 * gcc.c (cpp_options): Delete .d files on error. Don't delete
140 .o files when using the -M options.
142 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
143 David Edelsohn <edelsohn@gnu.org>
145 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
146 handle DImode constants. Use one TOC entry for SImode and smaller
147 constants, aligned properly.
149 2001-02-08 Jason Merrill <jason@redhat.com>
151 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
152 about the SP adjustment for saving the static chain pointer.
153 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
154 offset when setting a temporary CFA register.
156 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
158 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
159 powerpc-*-chorusos* .
160 * config/rs6000/chorus.h : New file.
161 * config/i386/chorus.h : New file.
162 * config/sparc/chorus.h : New file.
163 * config/sparc/t-chorus-elf : New file.
165 2001-02-08 David Edelsohn <edelsohn@gnu.org>
167 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
168 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
169 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
170 (__WCHAR_TYPE__): Correct macro name.
172 2001-02-08 Richard Henderson <rth@redhat.com>
174 * config/i386/i386.c (ix86_frame_pointer_required): New.
175 (ix86_setup_frame_addresses): New.
176 (struct machine_funciton): Add accesses_prev_frame.
177 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
178 ix86_frame_pointer_required.
179 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
180 (SETUP_FRAME_ADDRESSES): New.
181 * config/i386/i386-protos.h: Update.
182 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
183 from FRAME_POINTER_REQUIRED.
184 * config/i386/svr3gas.h: Likewise.
185 * config/i386/sysv3.h: Likewise.
186 * config/i386/v3gas.h: Likewise.
188 2001-02-08 Richard Henderson <rth@redhat.com>
190 * config/sparc/sparc.c (function_arg_record_value_3): Fix
191 calculation of the number of integer registers required.
192 (function_arg_record_value): Likewise.
194 2001-02-08 Jason Merrill <jason@redhat.com>
196 * diagnostic.c (internal_error): Say "confused" after 1 error, not
197 two. Print file and line with "confused" message.
199 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
201 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
203 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
205 2001-02-08 Bernd Schmidt <bernds@redhat.com>
207 * final.c (cleanup_subreg_operands): The address of a MEM can
210 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
213 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
215 * gcc.texi (Incompatibilities): Update documentation of
216 preprocessing numbers.
218 2001-02-07 Jakub Jelinek <jakub@redhat.com>
220 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
222 2001-02-07 Mark Mitchell <mark@codesourcery.com>
224 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
226 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
227 * gcc.c (struct compiler): Add cpp_spec field.
228 (input_file_compiler): New variable.
229 (do_spec_1): Allow a particular compiler to handle `%C'
231 (main): Store the current compiler in input_file_compiler.
232 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
234 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
236 * cpphash.h (struct spec_nodes): Add n_true and n_false.
237 * cppinit.c (cpp_create_reader): Initialize them.
238 (append_include_chain): cxx_aware arg might be unused.
239 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
240 keywords and give them their phase 7 meaning. Pedwarn about
241 this unless '__bool_true_false_are_defined' is defined.
243 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
245 * lcm.c (optimize_mode_switching): Emit mode_set before the
246 JUMP_INSN of an abnormal edge.
248 2001-02-07 Bernd Schmidt <bernds@redhat.com>
250 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
251 a scheduling barrier at the end.
253 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
255 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
257 * config/sh/sh.md (reload_outsf): Removed.
258 (movsf_ie): Introduce constraints for FPUL loads and stores.
259 (reload_insf): Broaden the output constraint.
261 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
263 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
264 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
266 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
268 * final.c: Revert my previous changes.
269 * output.h: Make profile_label_no extern.
270 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
271 for generating label.
273 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
275 * config/i386/djgpp.h: Add comments about standard paths.
276 (MD_EXEC_PREFIX): Undefine before defining.
277 (MD_STARTFILE_PREFIX): New.
279 2001-01-30 Bruce Korb <bkorb@gnu.org>
281 fixinc/fixincl.c(process): Emit error message only if appropriate :)
282 (load_file): do not rely on load_file_data() to close file pointer
283 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
284 fixinc/inclhack.def(irix_limits_const): add test_text
286 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
288 * cppexp.c (parse_defined): Improve diagnostics for invalid
291 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
293 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
295 2001-02-06 Mark Mitchell <mark@codesourcery.com>
297 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
298 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
299 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
300 (rs6000_output_symbol_ref): New function.
301 (output_toc): Use VTABLE_NAME_P.
303 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
305 * print-tree.c (print_node, case PARM_DECL):
306 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
308 * stor-layout.c (reference_types_internal): New variable.
309 (internal_reference_types): New function.
310 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
311 * tree.h (internal_reference_types): New declaration.
313 * cse.c (find_best_addr): Fix typo in computing cost.
315 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
317 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
318 and this is the sum of a pointer and a constant, we know the result
320 (num_sign_bit_copies, case PLUS): Likewise.
321 * explow.c (convert_memory_address): Remove opposite SUBREG.
322 * function.c (instantiate_new_reg): New function (from common code).
323 (instantiate_virtual_regs_1): Call it.
324 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
325 if pointers sign- or zero-extend.
326 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
327 If pointers extend unsigned, use inside of SUBREG.
328 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
330 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
332 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
333 subdir of gcc_gxx_include_dir.
334 (gcc_gxx_target_include_dir): Remove.
336 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
338 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
339 (dwarf2out_frame_debug_expr): Revise introductory comments to add
340 a high-level description.
342 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
344 * final.c: Move the declaration of profile_label_no to ...
345 * output.h: ... here.
346 * function.c (expand_function_start): Call PROFILE_HOOK.
347 * config/rs6000/aix.h: Define PROFILE_HOOK.
348 * config/rs6000/rs6000-protos.h: output_profile_hook new.
349 * config/rs6000/rs6000.c (output_profile_hook): Define.
350 (output_prolog): Do nothing for ABI_AIX as it is taken care by
352 tm.texi : Explain new macro PROFILE_HOOK.
354 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
356 * extend.texi (Extended Asm): Do not say that semicolon is always
357 a valid line-breaking character for GNU assemblers. Use
358 newline-tab as the most commonly supported syntax. Use
359 newline-tab rather than semicolon in multi-insn examples.
361 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
363 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
365 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
366 David Edelsohn <edelsohn@gnu.org>
368 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
369 code for AIX, even without flag_pic.
371 2001-02-05 Jakub Jelinek <jakub@redhat.com>
373 * c-typeck.c (common_type): push and pop binding level around
374 calling common_type on function parameters.
376 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
378 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
380 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
382 * config/mips/mips.c (override_options): Fix typo in last change.
383 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
384 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
386 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
388 * invoke.texi (-fdump-class-layout): Document.
389 (-fdump-translation-unit): Use `=' as filename separator.
391 2001-02-05 Mark Mitchell <mark@codesourcery.com>
393 * Makefile.in (s-mlib): Don't build multilibs if
395 (DRIVER_DEFINES): Adjust accordingly.
397 (protoize.o): Likewise.
398 (unprotoize.o): Likewise.
399 * configure.in: Recognize --enable-multilib.
401 2001-02-04 Mark Mitchell <mark@codesourcery.com>
403 * Makefile.in (DRIVER_DEFINES): Fix quoting.
405 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
406 * configure.in: Remove --enable-libstdcxx_v3 support.
407 * configure: Regenerated.
409 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
411 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
412 Call abort instead of fatal.
413 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
414 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
415 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
416 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
417 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
418 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
420 * diagnostic.h (set_internal_error_function): Renamed.
421 * toplev.h (internal_error): Renamed from fatal.
422 (pfatal_with_name): Deleted.
423 (fatal_io_error): Now has printf-style arguments.
424 * diagnostic.c (pfatal_with_name): Deleted.
425 (fatal_io_error): Rework to have args in printf-style.
426 (set_internal_error_function): Renamed from set_fatal_function.
427 (internal_error): Renamed from fatal.
428 (error_recursion, fancy_abort): Call internal_error instead of fatal.
429 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
430 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
431 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
432 * flow.c (verify_flow_info): Likewise.
433 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
434 * config/mips/mips.c (save_restore_insns): Likewise.
436 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
437 * flow.c (verify_flow_info): Likewise.
438 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
439 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
440 (avr_normalize_condition): Likewise.
441 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
442 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
443 (limit_reload_class, double_reg_to_memory): Likewise.
444 (print_operand_address, emit_1600_code_shift): Likewise.
445 (gen_tst_reg, gen_compare_reg): Likewise.
446 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
447 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
449 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
451 * c-parse.in (methoddef): Call fatal_error instead of fatal.
452 * objc/objc-act.c (build_ivar_chain): Likewise.
453 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
455 * graph.c (clean_graph_dump_file): Likewise.
456 * profile.c (init_branch_prob): Likewise.
457 * objc/objc-act.c (objc_init): Likewise.
459 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
460 * config/avr/avr.c (avr_override_options): Likewise.
461 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
462 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
463 * config/h8300/h8300.c (h8300_init_once): Likewise.
464 * config/mips/mips.c (override_options): Likewise.
465 * config/i386/i386.c (override_options): Likewise, rework.
466 * config/m68k/m68k.c (override_options): Likewise.
468 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
470 * config/mips/mips.c (print_operand): Likewise.
471 * hash.c (hash_allocate): Don't check for failure returns from
472 obstack functions that can't fail.
473 (hash_table_init_n, hash_table_init): Likewise; also now return void.
474 * hash.h (hash_table_init_n, hash_table_init): Now return void.
475 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
476 (get_object_reference): Likewise.
478 2001-02-04 Nick Clifton <nickc@redhat.com>
480 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
481 StrongARM1110, 10TDMI, and 1020T.
483 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
485 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
487 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
489 * config/sh/sh.md (movdf load split): Pass register number to
492 2001-02-04 Mark Mitchell <mark@codesourcery.com>
494 * cppinit.c (BC): New macro.
495 (builtin_array): Add __GXX_WEAK__.
496 * cpplib.h (builtin_type): Add BT_WEAK.
497 * cppmacro.c (builtin_macro): Handle BT_WEAK.
498 * defaults.h (SUPPORTS_ONE_ONLY): Define.
499 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
501 2001-02-03 Jakub Jelinek <jakub@redhat.com>
503 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
505 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
507 * cpphash.h: Rename _ALIGN POOL_ALIGN.
508 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
510 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
512 * cpphash.h: Rename ALIGN _ALIGN.
513 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
515 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
517 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
518 compilation environment.
519 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
520 control over location of cygwin includes and libs.
522 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
524 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
526 2001-02-02 lars brinkhoff <lars@nocrew.org>
528 * md.texi (Standard Names): remove reference to spur.md.
530 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
532 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
533 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
534 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
535 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
536 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
538 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
540 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
541 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
542 number before reload.
543 (c4x_adjust_cost): Return zero before reload.
544 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
547 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
549 * c4x.c (c4x_hard_regno_rename_ok): New.
550 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
551 * c4x.h (HARD_REGNO_RENAME_OK): Define.
553 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
555 * diagnostic.h: Add missing "extern" in all declarations.
557 2001-02-02 Alex Samuel <samuel@codesourcery.com>
559 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
560 as for gcc_gxx_include_dir.
562 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
564 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
566 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
568 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
569 label before alignment to be used as the braf base address.
570 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
572 (casesi_jump_2): Require at least TARGET_SH2.
574 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
575 truncation to 32-bit doubles on -m3e and -m4-single-only.
577 2001-02-02 Mark Mitchell <mark@codesourcery.com>
579 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
580 the default when building a shared object.
582 * testsuite/lib/g++.exp: Include the directory where libgcc
583 is located to the LD_LIBRARY_PATH list.
584 * invoke.texi (-shared-libgcc): Document the cases in which
585 GCC defaults to using the shared libgcc.
587 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
589 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
590 unsigned is wide enough.
592 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
593 (si_to_float): Likewise.
594 (float_to_si, float_to_usi): Use BITS_PER_SI.
596 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
598 * dwarf2out.c: Added explanation of abbreviations.
599 (def_cfa_1): Added comments listing DWARF2 instructions.
600 (cfa_temp_reg): Removed in favor of cfa_temp.
601 (cfa_temp_value): Removed in favor of cfa_temp.
602 (cfa_temp): New global variable.
603 (dwarf2out_frame_debug_expr): Added extensive introductory
604 comments explaining the function's transformations. Revised to
605 use cfa_temp. Added some rtx checking. Generalize IOR case.
606 (dwarf2out_frame_debug): Revised to use cfa_temp.
607 (output_aranges): Cast as "unsigned" to avoid warning.
608 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
609 explain which instructions must be marked.
611 2001-02-01 Richard Henderson <rth@redhat.com>
613 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
616 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
618 * config/sh/crt1.asm (main_k): Modified so that start calls
619 ___setup_argv_and_call_main.
621 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
623 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
624 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
625 and AVOID_LPASTE is cleared on meeting an unescaped newline.
626 * cppmacro.c (builtin_macro): Set builtin flags here.
627 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
628 (replace_args): Clarify intent.
629 (cpp_get_token): Macro expansion tokens get the saved flags.
631 * cppmain.c (scan_buffer): Remove now-redundant print.printed
634 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
636 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
639 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
641 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
642 returns Pmode pseudo, but we need ptr_mode.
643 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
644 Remove bogus conversions; use HOST_WIDE_INT for size.
645 Don't use TARGET if wrong mode.
647 * config/i386/i386.c (ix86_compute_frame_size): Allow
648 stack_alignment_needed to be non-default even if size is zero.
650 2001-01-31 Alan Modra <alan@linuxcare.com.au>
652 * (hppa_init_pic_save): Emit the pic offset table
653 reg save after last_parm_insn.
654 * pa.c (hppa_init_pic_save): New function.
655 * pa.h (hppa_init_pic_save): Declare.
656 * pa.md (call, call_value, sibcall, sibcall_value): Use
657 the above instead of duplicated code.
659 * pa.c (hppa_encode_label): Correct size of alloca buffer
660 so we don't overrun it. Correct leading `*' case.
661 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
663 (FUNCTION_NAME_P): Likewise.
665 2001-01-31 Richard Henderson <rth@redhat.com>
667 * config.gcc (alpha-osf5): Use float-i128.h.
669 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
670 * config/float-i32.h: Likewise.
671 * config/float-i64.h: Likewise.
672 * config/float-sh.h: Likewise.
673 * config/float-sparc.h: Likewise.
675 2001-01-31 DJ Delorie <dj@redhat.com>
677 * expmed.c (extract_bit_field): allow non-integral modes if we
678 want to extract a whole register from itself.
680 2001-01-31 Jakub Jelinek <jakub@redhat.com>
682 * c-typeck.c (set_init_index): If first is equal to last, assume as
683 if it was not a range at all.
685 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
687 * config/fp-bit.c: Include tm.h.
688 (float_to_si): Don't assume SImode is 32-bits wide.
689 (float_to_usi): Likewise.
691 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
693 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
695 (typename): Call pending_xref_error after parsing typed_typespecs.
696 * c-decl.c (lookup_tag): Give error immediately rather than
697 leaving it pending if the tag of the wrong type is in the same
699 (xref_tag): Don't pedwarn for forward declarations of enum types
701 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
704 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
706 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
708 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
710 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
711 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
713 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
715 * cpphash.h (struct cpp_reader): New saved_flags.
716 * cppmacro.c (cpp_get_token): Use saved_flags to remember
717 to avoid a paste after a pasted token.
719 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
721 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
722 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
723 Wtype_MIN instead of LONG_MIN.
725 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
727 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
729 * fixinc/fixincl.x: Regenerated.
730 * fixinc/inclhack.def (irix_limits_const): New definition to
731 convert "const" to "__const" in limits.h.
733 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
735 * fixinc/genfixes (AG): Fix "autogen4" thinko.
737 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
739 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
740 when register dies in the insn.
742 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
744 * diagnostic.c (fatal): Fix word wrap.
746 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
748 * combine.c (try_combine): Fix SUBREG setting for
749 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
751 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
753 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
756 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
758 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
760 * toplev.c (decode_W_option): Update warn_larger_than
761 unconditionally for each processed switch.
763 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
765 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
767 (hppa_expand_prologue): Delete code to save pic offset table register
768 in the function prologue.
769 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
770 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
771 table register at the beginning of the function after the prologue.
773 2001-01-29 lars brinkhoff <lars@nocrew.org>
775 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
777 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
778 Jeff Law <law@redhat.com>
780 * pa.md (return): Revise comment for trivial return.
781 (return_internal): Non-trivial return pattern for non-PIC code.
782 (return_internal_pic): Non-trivial return pattern for PIC code.
783 It uses the PIC register to ensure it is restored after
785 (epilogue): Generate appropriate return for PIC and non-PIC code.
787 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
789 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
791 2001-01-29 DJ Delorie <dj@redhat.com>
793 * combine.c (if_then_else_cond): Pass the correct mode to
794 operand_subword() for constants.
796 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
798 * config/i386/cygwin.h: Add w32api to include search. Search different
799 directories in a cross-build environment.
801 2001-11-29 Tim Josling <tej@melbpc.org.au>
803 * tree.h (TYPE_STUB_DECL): Add documentation.
805 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
807 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
808 (sdbout_field_types): Likwise. Fix use of host_integerp.
810 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
812 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
815 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
817 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
818 to use flag_gnu_linker.
820 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
822 * cpplib.c (T_BAD_DIRECTIVE): Remove.
823 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
825 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
827 * tree.c, tree.h (build_parse_node): Remove; was identical to
829 * c-lang.c (start_cdtor), objc/objc-act.c
830 (build_module_descriptor): Use build_nt instead of
833 2001-01-29 Jakub Jelinek <jakub@redhat.com>
835 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
836 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
837 not have any upper bits set.
839 2001-01-29 Phil Edwards <pme@sources.redhat.com>
841 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
843 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
845 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
847 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
849 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
850 (integer_minus_one_node): Define.
852 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
854 * Makefile.in (bootstrap2-lean): Fix typo.
856 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
858 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
859 : Don't set fe_value.
860 * cpplib.h (AVOID_LPASTE): New flag.
861 (struct cpp_hashnode): Remove fe_value.
862 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
863 * cppmacro.c (builtin_macro): Don't set flags here.
864 (replace_args): Set AVOID_LPASTE flag on first token of an
865 argument, and the token following it.
866 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
867 macro expansion, and on the token following it. Do it for
869 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
871 2001-01-27 Richard Henderson <rth@redhat.com>
873 * config/alpha/t-ieee: Remove multilibbing.
874 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
876 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
878 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
880 * Makefile.in: Remove all dependencies on defaults.h.
881 * builtins.c: Don't include defaults.h.
882 * c-common.c: Likewise.
883 * c-decl.c: Likewise.
884 * c-pragma.c: Likewise.
885 * c-typeck.c: Likewise.
886 * combine.c: Likewise.
888 * frame-ia64.c: Likewise.
889 * cppexp.c: Likewise.
890 * crtstuff.c: Likewise.
891 * dbxout.c: Likewise.
892 * dwarf2out.c: Likewise.
893 * dwarfout.c: Likewise.
894 * emit-rtl.c: Likewise.
895 * except.c: Likewise.
898 * frame-dwarf2.c: Likewise.
899 * libgcc2.c: Likewise.
900 * optabs.c: Likewise.
901 * profile.c: Likewise.
902 * sdbout.c: Likewise.
903 * toplev.c: Likewise.
904 * tradcif.y: Likewise.
906 * varasm.c: Likewise.
908 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
910 * builtins.c (expand_builtin_fputs): Use size_one_node when
911 transforming into fwrite.
913 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
915 * extend.texi (Attribute Syntax): New section.
917 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
919 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
920 they didn't need fixing.
922 2001-01-27 Janis Johnson <janis@us.ibm.com>
924 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
926 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
927 to remove macro definitions that are duplicated from elfos.h.
929 2001-01-27 Richard Henderson <rth@redhat.com>
931 * config/i386/sco5gas.h: Move ...
932 * config/usegas.h: ... here.
933 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
935 2001-01-27 Jakub Jelinek <jakub@redhat.com>
937 * c-typeck.c (struct constructor_stack): Add range_stack member.
938 (really_start_incremental_init): Clear it.
939 (push_init_level): Save constructor_range_stack and clear it if
940 pushing explicit braces.
941 (pop_init_level): abort if constructor_range_stack is non-zero at
942 explicit closing brace. Restore saved constructor_range_stack if
945 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
947 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
948 into register was forced into memory.
950 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
952 * Makefile.in: Remove uses of + before $(MAKE).
954 2001-01-26 Richard Henderson <rth@redhat.com>
956 * stmt.c (cost_table): Remove.
957 (COST_TABLE, cost_table_initialized): New.
958 (estimate_case_costs): Use the later instead of the former.
959 (balance_case_nodes): Likewise.
961 2001-01-26 Richard Henderson <rth@redhat.com>
963 * alias.c (objects_must_conflict_p): Read-only slots may not
964 conflict despite having the same type.
966 2001-01-27 Michael Hayes <mhayes@redhat.com>
968 * loop.c (loop_giv_reduce_benefit): Copy mode size into
970 (check_ext_dependant_givs): Initialise u_start_val and
972 (load_mems): Make last_max_reg unsigned.
973 (try_swap_copy_prop): Use INSN_P and initialise set.
975 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
977 * README.AVR : Removed.
979 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
981 * pa-64.h (text_section): Remove declaration.
983 * pa.md (return_internal): Remove mode on PIC register use.
985 2001-01-25 lars brinkhoff <lars@nocrew.org>
987 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
988 ASM_CLOSE_PAREN): fix typos.
990 2001-01-25 Mark Mitchell <mark@codesourcery.com>
992 * acconfig.h: Define `const' to the empty string if neither
993 __STDC__ nor __cplusplus is defined.
994 * config.in: Regenerated.
996 2001-01-25 David Edelsohn <edelsohn@gnu.org>
998 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
999 * collect2.c (main): Delete importf. Add ".obj" file extension.
1000 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
1001 (aix_std_libs): Add additional AIX libraries to skip.
1002 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
1003 * config/rs6000/aix51.h: New file.
1005 2001-01-25 Michael Hayes <mhayes@redhat.com>
1007 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
1008 (loop_insn_emit_before): No longer static.
1009 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
1010 (loop_givs_rescan, load_mems): Likewise.
1011 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
1012 (maybe_eliminate_biv_1):
1013 (move_movables): Replace emit_call_insn_before with
1014 loop_call_insn_hoist.
1015 * loop.h (loop_insn_emit_before): Add.
1016 * unroll.c (copy_loop_body): Replace emit_insn_before with
1017 loop_insn_emit_before.
1019 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
1021 * diagnostic.c (fatal): Request preprocessed source.
1023 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
1025 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
1026 olddecl has argument types and newdecl has none, use the argument
1029 2001-01-24 Ulrich Drepper <drepper@redhat.com>
1031 * dwarf2out.c (prefix_of): New function. Determine longest common
1032 prefix of the two arguments. The units are whole path components.
1033 (output_file_names): When adding a new directory find the one entry
1034 with the longest common prefix already in the list. Artificially
1035 generate entry if there is none for this prefix.
1036 Fix test to check whether the zeroth directory entry is used.
1038 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
1040 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
1041 Changed all callers. Take it into account when deciding if a
1042 previously loaded value matches.
1044 2001-01-24 Richard Henderson <rth@redhat.com>
1046 * reload.c (find_reloads_subreg_address): Fail the substitution
1047 if the resulting address is insufficiently aligned.
1049 2001-01-24 DJ Delorie <dj@redhat.com>
1051 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
1052 check the original operand's mode also.
1053 * simplify-rtx.c (simplify_ternary_operation): Ditto.
1055 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
1057 * c-parse.in (cast_expr): Move compound literals from here ...
1058 (primary): ... to here. Use standard terminology "compound
1059 literal" instead of "constructor expression".
1061 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
1063 * gcc.1, cpp.1: Regenerate.
1065 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
1067 * calls.c (emit_library_call_value_1): Memory slot for
1068 pass-by-reference argument should have the mode of the argument,
1069 not of the pointer to it.
1071 2001-01-24 Tom Tromey <tromey@redhat.com>
1073 * gcc.texi (G++ and GCC): Mention gcj manual.
1074 (Standards): Link to section of manual mentioning gcj/Java
1077 2001-01-24 Jakub Jelinek <jakub@redhat.com>
1079 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
1080 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
1081 * tradcpp.c (main): Add -imacros or -include'd dependencies
1083 * cpp.texi (-M, -MM): Document -M -include behaviour.
1085 2001-01-24 Roger Collins <roger@ProProject.com>
1087 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
1089 2001-01-24 Will Cohen <wcohen@redhat.com>
1091 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
1092 whether registers are 32 bits or 64 bits in size.
1094 2001-01-24 Ben Elliston <bje@redhat.com>
1096 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
1098 2001-01-24 Richard Henderson <rth@redhat.com>
1100 * config/alpha/alpha.md (builtin_longjmp_internal): New.
1101 (builtin_longjmp): Use it instead of emit_indirect_jump.
1103 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
1105 * bb-reorder.c (make_reorder_chain_1): Handle case where
1106 jump edge goes to the same block as the fallthru edge.
1108 2001-01-23 Jim Wilson <wilson@redhat.com>
1110 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
1111 * frame.h (__ia64_personality_v1): Add prototype.
1112 * libgcc2.c (ia64_throw_helper): Change personality declaration to
1113 prototype form. Add void * cast to first argument to personality
1115 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
1116 (asctoe113): Likewise.
1117 * config/ia64/frame-ia64.c: Include eh-common.h.
1118 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
1120 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
1122 (itanium_split_issue): Add prototype.
1123 (gen_nop_type): Ifdef out.
1124 (find_best_packet): Initialize best_packet.
1125 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
1127 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
1128 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
1129 (flushrs): Add explicit stop bit at end.
1130 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
1133 2001-01-23 Chris Demetriou <cgd@broadcom.com>
1135 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
1137 * libgcc2.c (__terminate_func): Make variable static.
1138 (__terminate_set_func): New function to set __terminate_func.
1139 * libgcc2.h (__terminate_func_ptr): New typedef.
1140 (__terminate_set_func): New function.
1142 2001-01-23 Richard Henderson <rth@redhat.com>
1144 * flow.c (init_propagate_block_info): Don't consider unchanging
1145 memories for dead frame store elimination.
1147 2001-01-23 Richard Henderson <rth@redhat.com>
1149 * varasm.c (UNIQUE_SECTION): Move default implementation ...
1150 * defaults.h: ... here.
1152 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1154 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
1156 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
1158 * c-lex.c (lex_charconst): Fix typo: s/p/str.
1160 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1162 * rs6000.h (rs6000_return_addr): Move prototype from here...
1163 * rs6000-protos.h (rs6000_return_addr): ...to here.
1164 (rs6000_init_expanders): Delete prototype.
1166 2001-01-23 Nick Clifton <nickc@redhat.com>
1168 * invoke.texi: Replace , with \, inside @gccoptlist macros.
1169 (Spec Files): Document %B and %j and %. and %v3 and %M and
1170 %{S*&T} spec switches.
1172 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1174 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
1176 2001-01-23 Chris Demetriou <cgd@sibyte.com>
1177 Neil Booth <neil@daikokuya.demon.co.uk>
1179 * cpperror.c: Merge handlers of PEDWARN and WARNING.
1180 Have -Werror make pedantic warnings errors, like the
1183 2001-01-23 Phil Edwards <pme@sources.redhat.com>
1185 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
1187 2001-01-23 Jakub Jelinek <jakub@redhat.com>
1189 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
1190 * integrate.c (expand_inline_function): Initialize them.
1191 (subst_constants): If changing COMPARE so that both its arguments
1192 will be VOIDmode and the comparison mode will be lost, note
1193 compare_mode. Use the recorded compare_mode to optimize
1196 2001-01-23 Jason Merrill <jason@redhat.com>
1198 * dwarf2out.c (new_die): Use xcalloc.
1199 (output_die): Abort rather than emit a local reference to offset 0.
1201 2001-01-17 Andrew Haley <aph@redhat.com>
1203 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
1204 of a saved register; return NULL instead.
1205 (copy_reg): Take a pointer to a source register rather than a
1207 (next_stack_level): Remember the address in the stack frame of all
1209 Use the saved register pointer array as the source of the CFA.
1210 (throw_helper): Rewrite. Unwind once rather than twice and keep
1211 track of saved registers as we go.
1213 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1215 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
1216 * c4x.c (c4x_legitimize_reload_address): Remove.
1217 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
1218 reload address for ldp(k) insn.
1220 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
1222 * pa.md (return_internal): Add a USE of the PIC register to ensure
1223 it is restored after each call.
1224 (return expander): Corresponding changes.
1226 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1228 * rs6000.h (INIT_EXPANDERS): Delete.
1229 (RETURN_ADDR_RTX): Call rs6000_return_addr().
1230 * rs6000.c (rs6000_override_options): Call *_machine_status from
1232 (rs6000_init_expanders): ...instead of here. Delete.
1233 (rs6000_mark_machine_status): New function.
1234 (rs6000_init_machine_status): Use xcalloc.
1235 (rs6000_return_addr): Generate RTX for the return address.
1236 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
1237 (rs6000_stack_info): Use it.
1239 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
1241 * gthr-win32.h: Include errno.h to get a declaration for
1242 EINVAL and _mingw.h if the target is mingw32.
1244 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
1246 * cpp.texi: Correct typos.
1248 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1250 * explow.c (probe_stack_range): Ensure value passed to
1251 stack_check_libfunc is ptr_mode, not Pmode.
1253 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
1255 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
1256 case, don't use operand_subword to calculate a SUBREG that is
1259 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
1261 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1263 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
1264 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
1265 valid. If not replace it by equivalent insns.
1267 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1269 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
1270 contains SYMBOL_REF, LABEL_REF and CONST_INT.
1271 (c4x_U_constraint, symbolic_address_operand): Likewise.
1272 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
1274 (c4x_r11_set_p, c4x_check_laj_p): New functions.
1275 * c4x-protos.h (c4x_check_laj_p): Add prototype.
1276 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
1277 anulling slot because of silicon bug.
1278 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
1280 2001-01-22 Alan Modra <alan@linuxcare.com.au>
1282 * cppexp.c (parse_charconst): Change `mask' type to agree
1285 2001-01-21 Richard Henderson <rth@redhat.com>
1287 * config/i386/i386.c (ix86_asm_file_end): Disable putting
1288 pic_label_name in a linkonce section.
1290 2001-01-17 Philipp Thomas <pthomas@suse.de>
1292 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
1294 * configure: Regenerate.
1296 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
1298 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
1299 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
1301 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
1303 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
1304 If REVERSE nonzero then condition code in X must be reversed.
1305 (encode_section_info): Optimise if/else.
1306 (avr_function_value): Fix formatting.
1308 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
1309 (difficult_branch): Likewise.
1310 (rvbranch): Likewise.
1311 (difficult_rvbranch): Likewise.
1313 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
1315 * config/avr/libgcc.S: Fix comment.
1317 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
1319 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
1321 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
1323 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
1325 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
1327 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
1328 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
1329 * configure, config.in: Regenerate.
1330 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
1331 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
1332 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
1333 (doprint.o): New rule.
1335 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
1337 * c-typeck.c (digest_init): Handle boolean types as scalars.
1339 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1341 * stmt.c (expand_return): Don't return anything if size is zero.
1342 Delete redundant assignment to BYTES.
1343 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
1345 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
1347 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
1348 the same as the default library function names.
1349 * config/avr/avr.md: Document special characters after '%'.
1350 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
1351 knowing which of the call-used registers are really clobbered.
1352 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
1353 New. Both quotient and remainder from one libgcc.S call.
1354 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
1355 clobber as few registers as possible.
1356 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
1358 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
1360 * cppmacro.c (funlike_invocation_p): Don't move back up to the
1361 context of the top of the stack.
1363 2001-01-20 Jakub Jelinek <jakub@redhat.com>
1365 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
1366 (fixup_var_refs_insns): ...here.
1368 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
1370 * function.c (fixup_var_refs_insns): Break up into
1371 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
1372 [loop over entire insn list], and fixup_var_refs_insns_with_hash
1373 [loop over hash table entries].
1374 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
1375 fixup_var_refs_insns_with_hash, to match above changes.
1377 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
1379 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
1380 (libgcc.a): Likewise.
1381 (stmp-multilib): Likewise.
1382 (STAGE2_FLAGS_TO_PASS): Likewise.
1384 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
1386 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
1387 temporary if no_new_pseudos.
1389 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
1391 * cppinternals.texi: Update.
1393 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
1395 * arm.c (arm_init_builtins): Re-enable builtins.
1397 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1399 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
1400 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
1401 element to be null, and always expect an EXPR_LIST.
1402 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
1403 * sched-deps.c (sched_analyze_1): Likewise.
1404 * sched-rgn.c (check_live_1, update_live_1): Likewise.
1406 * regclass.c (max_set_parallel): New variable.
1407 (reg_scan): Take it into account in computation of max_parallel.
1408 (reg_scan_mark_refs, case SET): Compute it.
1410 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
1412 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
1413 * function.c (assign_parms): Use INTVAL for a CONST_INT.
1415 2001-01-19 Jason Merrill <jason@redhat.com>
1417 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
1418 for the abstract instance of an inline function.
1420 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
1421 J"orn Rennecke <amylaar@redhat.com>
1423 * reload1.c (move2add_note_store): Treat all registers directly or
1424 indirectly derived from a base register as members of the same set
1426 (reload_cse_move2add): Adjust accordingly. Take mode and offset
1427 of base register into account.
1429 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
1431 * alias.c (find_base_value): Recognize TRUNCATE.
1432 (record_set): In PLUS case, invalidate if other summand is also a
1435 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1437 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
1438 entry to be EXPR_LIST.
1439 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
1440 be an EXPR_LIST (but not null, which other code doesn't allow).
1441 (note_stores): Properly handle PARALLEL in SET.
1442 Recursively call for top-level PARALLEL.
1443 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
1444 * sched-rgn.c (check_live_1, update_live_1): Likewise.
1446 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
1448 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
1450 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
1451 not pfile->skipping (== 0).
1453 2001-01-17 Nick Clifton <nickc@redhat.com>
1455 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
1458 2001-01-17 Jim Wilson <wilson@redhat.com>
1460 * invoke.texi (IA-64 options): Improve.
1462 2001-01-17 Tom Tromey <tromey@redhat.com>
1464 * invoke.texi (Optimize Options): Use `{}' to around @samp
1467 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
1469 * invoke.texi (-fno-guess-branch-probability): New option.
1471 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1473 * combine.c (try_combine): Don't set i3_subst_into_i2 for
1474 case of making new double-word constant.
1475 Revert last change: instead just test i3_subst_into_i2.
1477 2001-01-17 Jakub Jelinek <jakub@redhat.com>
1479 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
1480 Use q constraints instead of r.
1482 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
1484 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
1485 (machine_function): Define.
1486 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
1487 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
1488 pa_free_machine_status): New functions.
1489 (override_options): Set {init,mark,free}_machine_status to above.
1490 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
1491 PIC_OFFSET_TABLE_REGNUM_SAVED.
1492 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
1493 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
1494 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
1495 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
1496 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
1498 2001-01-15 DJ Delorie <dj@redhat.com>
1500 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
1504 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1506 * flow.c (propagate_on_insn): Make trying to delete a prologue
1507 or epilogue insn an ICE, not a warning. Allow doing this if
1508 the current function returns with stack pointer depressed.
1510 * combine.c (try_combine): If i3_subst_into_i2, properly check for
1511 I3 having more than one SET.
1513 2001-01-16 Jim Wilson <wilson@redhat.com>
1515 * invoke.texi: Document IA-64 options.
1517 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
1518 (fixup_errata): Delete TARGET_A_STEP use.
1519 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
1520 (TARGET_SWITCHES): Delete -ma-step option.
1521 * config/ia64/ia64.md (all FP patterns): Delete %B0.
1522 (movqicc_astep, movqi_internal_astep, movhicc_astep,
1523 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
1524 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
1525 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
1526 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
1528 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
1529 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
1530 cmovsi_internal): Delete ! TARGET_A_STEP check.
1532 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1534 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
1535 possibility to report bugs via postal mail. Change a URL and
1536 merge in a nearly duplicate statement...
1537 (Bug Reporting): ...from here.
1538 (Service): Refer to the Bug Reporting section instead of
1540 (Contributing): Remove trivial explanations concerning snapshots.
1542 2001-01-16 Alan Modra <alan@linuxcare.com.au>
1544 * cppmain.c (general_init): Don't use ANSI prototype.
1546 2001-01-16 Tom Tromey <tromey@redhat.com>
1548 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
1550 2001-01-16 Richard Henderson <rth@redhat.com>
1552 * config/i386/i386.h: Fix comment typo.
1553 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
1554 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
1556 2001-01-16 Phil Edwards <pme@sources.redhat.com>
1558 * gcc.c: Revert previous -fsyntax-only-related change; move
1561 2001-01-16 Jakub Jelinek <jakub@redhat.com>
1563 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
1564 inmode after checking GET_CODE (op).
1566 2001-01-16 Richard Henderson <rth@redhat.com>
1568 * flow.c (struct propagate_block_info): Add mem_set_list_len.
1569 (MAX_MEM_SET_LIST_LEN): New.
1570 (propagate_one_insn): Update mem_set_list_len.
1571 (invalidate_mems_from_autoinc): Likewise.
1572 (invalidate_mems_from_set): Likewise.
1573 (mark_used_regs): Likewise.
1574 (init_propagate_block_info): Likewise. Stop collecting memories
1575 when we reach MAX_MEM_SET_LIST_LEN.
1576 (mark_set_1): Likewise.
1578 2001-01-16 Richard Henderson <rth@redhat.com>
1580 * unroll.c (precondition_loop_p): Fail if no iteration
1583 2001-01-16 Phil Edwards <pme@sources.redhat.com>
1585 * gcc.c: When -fsyntax-only is given, do not complain about
1588 2001-01-15 Richard Henderson <rth@redhat.com>
1590 * config/i386/i386.c (asm_output_function_prefix): Remove.
1591 (ix86_asm_file_end): New.
1592 (load_pic_register): Generate pic_label_name into a
1593 staticly allocated buffer.
1594 * config/i386/i386-protos.h: Update.
1595 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
1596 (ASM_FILE_END): New.
1597 * config/i386/i386afe.h: New file.
1598 * config.gcc (i?86-*-elf) [tm_file]: Use it.
1599 (i?86-*-{freebsd,linux*,moss*}): Likewise.
1600 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
1601 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
1602 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
1603 * config/i386/sco5.h (ASM_FILE_END): Likewise.
1604 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
1606 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
1608 * Makefile.in (install-man): Remove explicit dependency on
1611 * configure.in, configure: Revert previous patch requiring perl
1614 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
1616 * toplev.c (flag_guess_branch_prob): New.
1617 (f_options): Add guess-branch-probability option.
1618 (rest_of_decl_compilation): Only estimate branch probability if
1620 (main): set flag_guess_branch_prob.
1622 * flags.h (flag_guess_branch_prob): New.
1624 2001-01-15 DJ Delorie <dj@redhat.com>
1626 * gcc.texi (Makefile): Add documentation for Makefile targets.
1628 2001-01-15 Philip Blundell <philb@gnu.org>
1630 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
1632 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
1633 (is_pic): Delete declaration.
1634 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
1635 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
1636 * config/arm/arm.md (builtin_setjmp_receiver): New.
1638 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
1640 * arm.c (use_return_insn): Don't try to determine the function type
1641 until after reload has completed.
1642 (arm_output_epilogue): Don't adjust the sp value recovered from the
1644 (emit_multi_reg_push): Don't record dwarf information for the pc.
1645 * arm.md (eh_epilogue): The function type may have changed, so it
1646 needs to be recalculated.
1647 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
1648 unwind tables on arm/netbsd.
1650 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
1652 * arm.md (cbranchsi4): Correct calculation of branch ranges.
1653 (negated_cbranchsi4): Likewise.
1655 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
1657 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
1658 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
1659 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
1660 pass -mapcs-* options to assembler.
1661 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
1662 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
1663 (ASM_SPEC): Call subtarget_extra_asm_spec.
1665 2001-01-15 Andreas Jaeger <aj@suse.de>
1667 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
1669 (ix86_expand_builtin): Likewise.
1671 * gencodes.c (output_predicate_decls): Make i size_t to avoid
1672 warning about comparison between signed and unsigned.
1674 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
1676 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
1678 2001-01-14 Ralf Baechle <ralf@gnu.org>
1680 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
1681 SUBTARGET_CPP_SPEC apropriatly.
1683 2001-01-12 Mark Mitchell <mark@codesourcery.com>
1685 * varasm.c (make_decl_rtl): Fix typo in last change.
1687 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
1689 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
1690 linker supports the init_priority C++ attribute.
1691 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
1692 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
1693 linker does not support init_priority C++ attribute.
1695 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
1697 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
1699 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
1701 * c-parse.in (finish_parse): Add comment about cpp_destroy.
1702 * cp/lex.c (finish_parse): Similarly.
1703 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
1704 Return the number of errors encountered.
1705 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
1706 * cppmain.c (main): Don't call cpp_destroy.
1708 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
1710 * configure.in: Require at least perl 5.6.0 to regenerate
1712 * configure: Regenerate.
1714 2001-01-14 Richard Henderson <rth@redhat.com>
1716 * genrecog.c (DT_veclen_ge): New.
1717 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
1718 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
1719 (nodes_identical_1): Handle DT_veclen_ge.
1720 (write_cond, debug_decision_2): Likewise.
1722 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
1724 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
1726 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
1728 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
1730 * cppmain.c (do_preprocessing): New function; most of the old
1732 (main): Call it to do most of the work.
1733 (cb): Move from global scope to set_callbacks ().
1734 (setup_callbacks): Get the callback pointer.
1735 (general_init, printer_init): Clean up code and comments.
1737 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
1739 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
1742 2001-01-14 Kazu Hirata <kazu@hxi.com>
1744 * config/h8300/h8300.c (get_shift_alg): Update comments.
1746 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1748 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
1749 (alloc_page, ggc_alloc): Add casts to remove warnings.
1751 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
1753 * combine.c (simplify_comparison): Don't change `code' when
1754 can't reverse comparison.
1756 2001-01-14 Richard Henderson <rth@redhat.com>
1758 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
1759 update all call sites. Return true for all non-label constants.
1761 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
1763 * i386.c (ix86_expand_compare): Add bypass_test and second_test
1765 (ix86_expand_branch): Update.
1766 (ix86_expand_setcc): Update to handle multiple test conditions.
1767 (expand_int_movcc): Likewise.
1768 (expand_fp_movcc): Likewise.
1769 * i386-protos.h (ix86_expand_compare): New.
1770 * i386.md (andqi_?_slp, orqi_?_slp): New.
1771 (conditional trap expander): Update call to ix86_expand_compare.
1773 2001-01-14 Richard Henderson <rth@redhat.com>
1775 * config/vax/vax.md: Use nonimmediate_operand instead of
1776 general_operand in destinations.
1778 * config/vax/vax.md (indirect_jump): Use register_operand.
1780 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
1781 * config/vax/vax.md (call_pop): Turn into an expander.
1782 (call_value_pop): Likewise.
1783 (call, call_value): New.
1785 2001-01-14 Andreas Jaeger <aj@suse.de>
1787 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
1789 (ix86_fp_compare_mode): Add unused attribute.
1790 (ix86_expand_fp_movcc): Remove unused variable.
1791 (ix86_expand_builtin): Make fcode unsigned.
1793 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
1794 (expand_expr): Add cast to avoid signed warning.
1795 (store_field): Likewise.
1796 (store_constructor_field): Likewise.
1797 (store_constructor): Likewise.
1798 (store_expr): Likewise.
1799 (clear_storage): Likewise.
1800 (emit_group_store): Likewise.
1801 (emit_group_load): Likewise.
1803 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
1805 * c-common.c: Move format checking code to ...
1806 * c-format.c: ... here. New file. Reorder some functions and
1808 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
1810 * c-common.h (decl_handle_format_attribute,
1811 decl_handle_format_arg_attribute): Declare.
1812 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
1813 (c-common.o): Adjust dependencies.
1814 (c-format.o): New list of dependencies.
1816 2001-01-13 Jakub Jelinek <jakub@redhat.com>
1818 * unroll.c (loop_iterations): If we cannot prove iteration variable
1819 is set once in each iteration, punt.
1821 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
1823 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
1824 (*strlenhi): Remove clobber (which was buggy) of output address.
1826 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
1828 * Makefile.in (generated-manpages): Add gcc.1
1829 ($(srcdir)/gcc.1): New target.
1830 (maintainer-clean): Delete $(srcdir)/gcc.1.
1831 * gcc.texi: Add macros @gccoptlist and @gol.
1832 * invoke.texi: Include option summary in manpage. Mark up option
1833 summary with @gccoptlist and @gol. Use @r in one place where
1835 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
1836 * gcc.1: Generate from invoke.texi.
1838 2001-01-13 Richard Henderson <rth@redhat.com>
1840 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
1841 (struct page_entry): Add group member.
1842 (struct page_group): New.
1843 (struct globals): Add page_groups member.
1844 (alloc_anon): Only define for using mmap; remove valloc call.
1845 (page_group_index): New.
1846 (set_page_group_in_use): New.
1847 (clear_page_group_in_use): New.
1848 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
1849 (free_page, release_pages): Likewise.
1850 * configure.in (with-gc): Default to ggc-page always.
1852 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
1854 * reload1.c (replace_pseudos_in_call_usage): Use
1855 reg_equiv_constant and reg_equiv_address, and don't try
1856 regno_reg_rtx first.
1858 2001-01-13 Richard Henderson <rth@redhat.com>
1860 * ggc-page.c (alloc_page): Round up allocation size to one page.
1861 Set e->order on extra pages.
1863 2001-01-13 Richard Henderson <rth@redhat.com>
1865 * genrecog.c (nodes_identical): Expand commentary.
1866 (write_switch): Watch out for identical nodes.
1868 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
1870 * cppfiles.c (_cpp_fake_include): New function.
1871 * cpphash.h (_cpp_fake_include): New.
1872 * cpplib.c (do_line): Call _cpp_fake_include when entering
1873 header files in preprocessed input.
1874 * cppmain.c (cb_pragma_implementation): Remove handling.
1875 (setup_callbacks): Don't register pragmas.
1877 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
1879 * extend.texi: Udate for CPP.
1881 2001-01-13 Andreas Jaeger <aj@suse.de>
1883 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
1885 * regmove.c: Add prototype for replace_in_call_usage.
1887 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
1889 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
1890 struct cpp_chunk, struct htab, struct toklist,
1891 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
1892 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
1893 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
1894 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
1895 (struct macro_args): Delete.
1896 * cpphash.h: See above.
1898 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
1900 * cppmain.c (struct printer): Remove no_line_dirs.
1902 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
1903 : Use options rather than CPP_OPTION.
1904 (setup_callbacks): Use cb rather than pfile->cb.
1905 (main): No need to check for a buffer. Use cpp_errors.
1906 (printer_init): Don't set no_line_dirs.
1907 (maybe_print_line): Use options not no_line_dirs.
1908 (cb_file_change): Don't call print_line if -P.
1910 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
1912 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
1914 * c-parse.in (finish_parse): Use cpp_errors.
1915 (__yylex): Use return value of cpp_pop_buffer.
1916 * cp/lex.c (finish_parse): Use cpp_errors.
1917 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
1919 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
1921 * README.AVR: URLs corrected.
1923 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1925 * c-decl.c (start_function): Don't warn if old prototype is builtin
1926 that's not in C's namespace.
1927 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
1928 (_bb): Add prototype for ctime.
1929 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
1931 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
1933 * i386.c (ix86_fp_comparison_arithmetics_cost,
1934 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
1935 ix86_fp_comparison_cost): New functions.
1936 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
1937 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
1938 two-branch sequences; make static.
1939 (ix86_use_fcomi_compare): Do decision according to the costs.
1940 (split_fp_branch): New.
1941 * i386.md (compare-and-branch patterns): Use split_fp_branch.
1942 * i386-protos.h (ix86_expand_fp_compare): Remove
1943 (ix86_split_fp_branch): Declare.
1945 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
1946 and ix86_comparison_operator.
1948 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
1951 * i386.c (put_condition_code): Output properly the unordered/ordered
1952 compares in fp case.
1953 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
1955 * tm.texi (REVERSE_CONDITION): Document.
1956 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
1957 in -ffast-math mode.
1958 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
1960 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
1962 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
1964 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
1967 * config/sh/sh.c (mova_p): Fix test for mova_const.
1969 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
1971 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
1972 cpp_get_options rather than dereferencing pfile and using
1974 * scan-decls.c (scan_decls): Use return value of
1975 cpp_pop_buffer rather than CPP_BUFFER.
1977 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
1979 * cppinit.c (cpp_handle_option): help_only is now part of the
1980 cpp_options structure.
1981 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
1982 cpp_set_callbacks): New functions.
1983 * cpplib.h (cpp_callbacks): Break out as a named structure.
1984 (cpp_options): Move help_only here from cpp_reader.
1985 (CPP_FATAL_ERRORS): Update to use cpp_errors.
1986 (cpp_errors, cpp_get_options, cpp_get_callbacks,
1987 cpp_set_callbacks): New prototypes.
1988 * cppmain.c (main): Update for help_only.
1990 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
1992 * Makefile.in (info, maintainer-clean, install-info, uninstall):
1993 Also build and remove and install and uninstall c-tree.info and
1995 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
1996 ($(srcdir)/cppinternals.info): New target.
1997 * c-tree.texi: Change file name used when makeinfo used without -o
1998 from ir.info to c-tree.info. Add info directory entry.
1999 * cppinternals.texi: Add info directory entry.
2000 * .cvsignore: Update.
2002 2001-01-12 Jakub Jelinek <jakub@redhat.com>
2004 * c-typeck.c (store_init_value): Don't require constant initializer
2005 elements with -pedantic -std=c99.
2006 (digest_init): Change error about non-constant initializer elements
2008 (constructor_range_end): Remove.
2009 (constructor_incremental, designator_depth,
2010 designator_errorneous): New variables.
2011 (struct constructor_stack): Remove range_end, add incremental.
2012 (struct constructor_range_stack, constructor_range_stack): New.
2013 (struct initializer_stack): Add constructor_range_stack.
2014 (finish_init): Set it.
2015 (start_init): Likewise. require_constant_elements for non-static
2016 trees only if not flag_isoc99.
2017 (really_start_incremental_init): Remove constructor_range_end, add
2018 constructor_incremental.
2019 (pop_init_level): Likewise.
2020 (push_init_level): Likewise. If implicit and the subobject had some
2021 value set already, preinitialize the level with it.
2022 Warn about missing braces only if not pushing due to designators.
2023 (set_designator, push_range_stack): New functions.
2024 (set_init_label): Use them.
2025 (set_init_index): Likewise. Remove constructor_range_end.
2026 Error if designator index is outside of array bounds.
2027 (add_pending_init): Compare values of purpose index trees, not the
2028 trees themselves. Allow overwriting of already initialized element.
2029 Issue a warning if it had side-effects.
2030 (set_nonincremental_init, set_nonincremental_init_from_string): New
2032 (pending_init_member): Rename to...
2033 (find_init_member): ...this function. Call set_nonincremental_init
2034 if necessary. Compare values of purpose index trees, not the trees
2035 themselves. Return the actual value, not just non-zero if something
2037 (output_init_element): Remove checks for duplicates.
2038 If field has zero size, only check the initializer for correctness.
2039 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
2040 if constructor_incremental is zero. Change error about initializers
2041 not computable at load time into pedwarn.
2042 (output_pending_init_elements): Compare bit positions, not
2043 FIELD_DECLs to take into account zero-sized fields.
2044 (process_init_element): Use constructor_range_stack to fill all
2045 ranges in the designator lists from current level up.
2046 * extend.texi: Update documentation for labeled elements.
2048 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
2050 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
2051 to function usage for arguments passed by reference. Optimize
2052 callee-copied arguments.
2053 * regmove.c (replace_in_call_usage): New function.
2054 (fixup_match_1): Call it.
2055 * cse.c (cse_insn): Canonicalize registers in function usage.
2056 * reload1.c (replace_pseudos_in_call_usage): New function.
2059 * Makefile.in: Reverted yesterday's wrong patch. Installed the
2062 2001-01-12 Jakub Jelinek <jakub@redhat.com>
2064 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
2067 2001-01-12 DJ Delorie <dj@redhat.com>
2069 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
2070 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
2073 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
2075 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
2076 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
2077 -std options alongside references to -ansi. Update some
2078 documentation for C99.
2079 * cpp.1: Regenerate.
2081 2001-01-12 Andreas Jaeger <aj@suse.de>
2083 * haifa-sched.c (restore_line_notes): Remove argument block B
2085 * sched-ebb.c (schedule_ebb): Change caller.
2086 * sched-rgn.c (schedule_region): Likewise.
2087 * sched-int.h (restore_line_notes): Adjust prototype.
2089 * loop.h: Remove wrong declaration of doloop_condition_get.
2091 2001-01-12 Phil Edwards <pme@sources.redhat.com>
2093 * extend.texi: Move C++-extension-related node from the C section
2094 into the C++ section.
2096 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
2098 * extend.texi: Refer to an array of pointers to functions instead
2099 of one of functions.
2101 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
2102 Jan Hubicka <jh@suse.cz>
2104 * combine.c (reversed_comparison): Fix typo in last patch.
2106 (combine_reversed_comparison_code): Make static to follow
2107 prototype declaration.
2109 2001-01-12 Phil Edwards <pme@sources.redhat.com>
2111 * install.texi: Remove misplaced duplicate entry.
2113 2001-01-11 Ulrich Drepper <drepper@redhat.com>
2115 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
2117 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
2119 * final.c: (leaf_function_p): Fix typo.
2121 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
2123 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
2124 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
2126 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
2127 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
2128 mmap_anon, and valloc is available.
2129 * ggc-page.c: Restructure ifdef logic to match new autoconf
2130 spec. Don't throw away the test page in init_ggc.
2132 * configure, config.in: Regenerate.
2134 2001-01-12 Michael Hayes <mhayes@redhat.com>
2136 * loop.h (total_biv_increment): Constify iv_class pointer.
2137 (struct induction): Replace `mem_mode' with `mem' rtx.
2138 * unroll.c (total_biv_increment): Constify iv_class pointer.
2139 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
2140 (find_mem_givs, combine_givs_p): Likewise.
2141 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
2143 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
2145 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
2147 (__gthread_getspecific): Ditto.
2149 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
2151 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
2152 put_condition_code): Convert fp comparison codes to integer
2154 (ix86_expand_fp_compare): Postnote the fp comparison code converison
2157 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
2158 * i386-protos.h (no_comparison_operator): Kill.
2160 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
2162 * combine.c (REVERSIBLE_CC_MODE): Remove.
2163 (reversible_comparison_p): Remove.
2164 (combine_reversed_comparison_code): New.
2165 (reversed_comparison): New.
2166 (combine_simplify_rtx): Use
2167 combine_reversed_comparison_code/reversed_comparison instead
2168 of reversible_comparison_p.
2169 (simplify_if_then_else): Likewise.
2170 (simplify_set): Likewise.
2171 (simplify_logical): Likewise.
2172 (if_then_else_cond): Likewise.
2173 (known_cond): Likewise.
2174 (simplify_comparison): Likewise.
2176 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
2178 * builtins.c (std_expand_builtin_va_start): Handle varargs when
2179 sizeof (int) is larger than sizeof(__word__).
2181 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
2183 * cppinit.c (do_includes): Fix typo.
2185 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2187 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
2188 in S_REGS does not occur because not all sources are possible
2189 when a S_REGS is a destination (sometimes needs a clobber).
2190 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
2191 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
2192 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
2193 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
2194 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
2195 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
2196 (lshrdi_const1, lshrsi3_const16): Likewise.
2197 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
2198 (*movhi_68hc12, *movqi_68hc12): Likewise.
2199 (movstrictqi): Make sure reloading in D_REGS as a destination
2202 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
2204 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
2206 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
2208 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
2209 -D, -U and -A, and don't initialize the builtins.
2210 (do_includes): Error if -include or -imacros with -fpreprocessed.
2211 * cppmain.c (cb_define, cb_undef): Unconditionally process
2213 * tradcpp.c (main): Fix typo.
2215 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
2217 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
2218 (read_name_map): Use IS_ABSOLUTE_PATH.
2219 * tradcpp.c (get_filename): Likewise.
2221 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2223 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
2224 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
2225 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
2226 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
2227 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
2228 (cmphi_z_used): Don't use '@' for the output.
2229 (tstqi_z_used): Likewise.
2230 (cmpqi_z_used): Likewise.
2231 (one_cmplsi2): Likewise.
2233 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
2235 * config/sh/sh.c (barrier_align): Recognize branch around far
2236 branch and redundant insn.
2238 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
2240 * invoke.texi: Restore documentation of the drivers' switches -MD
2243 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
2245 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
2247 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
2248 check-objc//%): Support parallel testing of multilibs.
2249 (TESTSUITEDIR): Set to testsuite by default, but override for
2251 (check-gcc, check-g++, check-g77, check-objc): Enter
2254 2001-01-11 Bernd Schmidt <bernds@redhat.com>
2256 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
2257 * sched-deps.c (deps_may_trap_p): Likewise.
2258 * basic-block.h: Remove a comment.
2259 * flow.c (PROP_POSTRELOAD): Remove.
2260 (update_life_info): Don't add it to prop_flags.
2261 (mark_set_1): Lose the code that was enabled by it.
2263 2001-01-11 Michael Hayes <mhayes@redhat.com>
2265 * flow.c (flow_call_edges_add): New.
2266 * basic_block.h (flow_call_edges_add): New.
2268 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
2270 * reload1.c (move2add_note_store): Update reg_set_luid even if
2271 base reg remains the same.
2273 2001-01-10 Nick Clifton <nickc@redhat.com>
2275 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
2276 machine_function structure to zero.
2277 Add prototypes for machine_status functions.
2279 2001-01-10 Mark Mitchell <mark@codesourcery.com>
2281 * c-common.h (CTI_VOID_LIST): Remove.
2282 (void_list_node): Likewise.
2283 * tree.h (TI_VOID_LIST_NODE): New enumeral.
2284 (void_list_node): New macro.
2285 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
2286 * config/i386/i386.c (ix86_init_builtins): Likewise.
2287 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
2289 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
2291 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
2292 * cppinit.c (cpp_start_read): Update comment, remove unneeded
2294 * tradcpp.c: Include mkdeps.h.
2295 (deps, print_deps_phony_targets, deps_append, output_deps,
2296 init_dependency_output, output_deps): New.
2297 (deps_buffer, deps_allocated_size, deps_size, deps_column,
2298 deps_output): Delete.
2299 (print_deps_missing_files): Rename deps_missing_files.
2300 (inhibit_output): Make global.
2301 (main): Delete inhibit_output, deps_stream, deps_target.
2302 Use mkdeps functionality in the same way as cpplib. Remove
2303 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
2304 -M and -MM. Remove old handling of deps via deps_out, and
2305 old reading of environment variables.
2306 (get_filename): Update to use deps_add_dep.
2308 2001-01-10 Mark Mitchell <mark@codesourcery.com>
2310 * output.h (make_function_rtl): Remove prototype.
2311 (make_decl_rtl): Likewise.
2312 * varasm.c (make_function_rtl): Remove.
2313 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
2314 than from a third parameter.
2315 * tree.h (make_decl_rtl): Remove last parameter.
2316 * c-decl.c (builtin_function): Remove last argument in call to
2317 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
2318 (start_function): Likewise.
2319 * except.c (call_get_eh_context): Likewise.
2320 * expr.c (emit_block_move): Likewise.
2321 (clear_storage): Likewise.
2322 * profile.c (output_func_start_profiler): Likewise.
2323 * toplev.c (rest_of_decl_compilation): Likewise.
2324 * objc/objc-act.c (create_builtin_decl): Likewise.
2325 (synth_module_prologue): Likewise.
2326 (generate_static_reference): Likewise.
2327 (build_selector_reference_decl): Likewise.
2328 (build_class_reference_decl): Likewise.
2329 (build_objc_string_decl): Likewise.
2330 (build_protocol_reference): Likewise.
2332 2001-01-10 Richard Henderson <rth@redhat.com>
2334 * hwint.h: Revert yesterday's change.
2336 2001-01-10 Nick Clifton <nickc@redhat.com>
2338 * function.h (save_machine_status): Delete.
2339 (restore_machine_status): Delete.
2340 Amend comment describing {init|mark|free}_machine_status.
2342 * function.c (save_machine_status): Delete.
2343 (restore_machine_status): Delete.
2344 Amend comment describing {init|mark|free}_machine_status.
2345 (push_function_context_to): Remove invocation of
2346 save_machine_status.
2347 (pop_function_context_from): Remove invocation of
2348 restore_machine_status.
2350 * emit-rtl.c (init_emit_once): Amend comment describing
2351 {init|mark|free}_machine_status.
2353 * tm.texi (Per-Function Data): New node. Describe the
2354 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
2357 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
2359 * cppinit.c (OPT_g): Remove.
2360 (cpp_handle_option): Update for removed -g3.
2361 (print_help): Update.
2362 * cpplib.h (struct cpp_options): Remove debug_output.
2363 * cppmain.c (setup_callbacks, cb_define): Update.
2364 * gcc.c (cpp_options): Translate -g3 to -dD.
2366 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
2368 * config/i960/i960.md: Change modifier to + on the zero_extract
2369 pattern after the (rotate -2 reg) canonicalization pattern.
2371 2001-01-10 Richard Henderson <rth@redhat.com>
2373 * config/alpha/alpha.c (alpha_free_machine_status): New.
2374 (override_options): Install it.
2375 (alpha_mark_machine_status): Verify machine non-null.
2376 * config/i386/i386.c (ix86_free_machine_status): New.
2377 (override_options): Install it.
2378 (ix86_init_machine_status): Use xcalloc.
2379 (ix86_mark_machine_status): Verify machine non-null.
2380 * config/ia64/ia64.c (ia64_free_machine_status): New.
2381 (ia64_override_options): Install it.
2382 (ia64_mark_machine_status): Verify machine non-null.
2384 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
2386 * function.c (instantiate_virtual_regs): Instantiate virtual
2387 registers found in CALL_INSN_FUNCTION_USAGE.
2389 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
2391 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
2392 equivalent to -ansi in disabling -Di386.
2394 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
2396 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
2398 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
2400 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
2402 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
2404 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
2406 * invoke.texi: Document that -fcond-mismatch isn't supported for
2409 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
2411 * gcc.texi: Define macro gcctabopt.
2412 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
2413 @command, @env and @option in some places where appropriate. Use
2414 @gcctabopt where appropriate. Put URLs and email addresses inside
2417 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
2419 * gcc.c (cpp_options): Set MD file name from output
2420 filename, if specified.
2421 (suffix_subst): New static variable.
2422 (do_spec): Clear it.
2423 (do_spec_1, case '.'): Handle new `%.suffix' spec.
2425 (give_switch): Handle suffix_subst.
2427 2001-01-10 Phil Edwards <pme@sources.redhat.com>
2429 * invoke.texi: Fix another typo.
2431 2001-01-10 Phil Edwards <pme@sources.redhat.com>
2433 * invoke.texi: Fix typo.
2435 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
2437 * c-lang.c (lang_hooks): Update.
2438 (lang_decode_option): Remove.
2439 (lang_init_options): Rename c_init_options.
2440 * toplev.c (main): Use lang_hooks for lang_init_options
2441 and lang_decode_option.
2442 * toplev.h (lang_hooks): Add 2 new hooks.
2443 * tree.h: Remove lang_init_options and lang_decode_option.
2444 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
2445 * cp/decl2.c: Similarly.
2446 * cp/lex.c (lang_init_options): Rename cxx_init_options.
2447 (lang_hooks): Update.
2448 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
2450 (lang_init_options): Rename ffe_init_options.
2451 (lang_hooks): Update.
2452 (lang_decode_option): Remove.
2453 * java/lang.c (lang_init_options): Rename java_init_options.
2454 (lang_decode_option): Rename java_decode_option.
2455 (lang_hooks): Update.
2456 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
2457 (lang_decode_option): Rename objc_decode_option.
2458 (lang_hooks): Update.
2460 2001-01-09 Nick Clifton <nickc@redhat.com>
2462 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
2463 (d30v_return_addr_rtx): Delete.
2464 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
2465 cfun->machine structure.
2466 (struct machine_function): Move to d30v.h
2467 (d30v_save_machine_status): Delete.
2468 (d30v_restore_machine_status): Delete.
2469 (d30v_init_machine_status): New Function.
2470 (d30v_mark_machine_status): New Function.
2471 (d30v_free_machine_status): New Function.
2472 (d30v_init_expanders): Use new functions.
2473 (d30v_return_addr): Use ra_rtx field in cfun->machine.
2474 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
2475 d30v_return_addr_rtx.
2477 * config/d30v/d30v.h (struct_machine): Move here.
2478 Add eh_epilogue_sp_ofs field.
2480 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
2481 field in cfun->machine structure.
2483 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
2485 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
2486 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
2487 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
2489 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
2491 * objc/lang-options.h: Remove bogus reference to
2494 2001-01-09 Kazu Hirata <kazu@hxi.com>
2496 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
2499 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
2501 * reload.c (find_reloads_address): Check for eliminable registers
2502 when substituting a constant expression for a pseudo.
2504 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
2506 * c-common.c (enum format_type): Add format_type_error.
2507 (decode_format_type): New function.
2508 (decl_attributes): Use it.
2509 (format_kind_info): Adjust comment.
2511 2001-01-09 David O'Brien <obrien@BSDi.com>
2513 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
2514 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
2516 * config/i386/gnu.h: Don't include required platform specific .h files,
2517 tm.h will do it instead.
2518 * config/i386/i386elf.h: Likewise.
2519 * config/i386/linux.h: Likewise.
2520 * config/i386/moss.h: Likewise.
2521 * config/mips/gnu.h: Likewise.
2523 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2525 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
2526 (rs6000-ibm-aix3.[01]*): Likewise.
2527 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
2528 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
2529 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
2530 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
2531 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
2532 (powerpc-*-eabiaix*): Likewise.
2533 (powerpc-*-eabisim*): Likewise.
2534 (powerpc-*-elf*): Likewise.
2535 (powerpc-*-eabi*): Likewise.
2536 (powerpc-*-rtems*): Likewise.
2537 (powerpc-*-linux*libc1): Likewise.
2538 (powerpc-*-linux*): Likewise.
2539 (powerpc-wrs-vxworks*): Likewise.
2540 (powerpcle-wrs-vxworks*): Likewise.
2541 (powerpcle-*-sysv*): Likewise.
2542 (powerpcle-*-elf*): Likewise.
2543 (powerpcle-*-eabisim*): Likewise.
2544 (powerpcle-*-eabi*): Likewise.
2545 (powerpcle-*-solaris2*): Likewise.
2546 * config/rs6000/aix31.h: Delete includes.
2547 * config/rs6000/aix3newas.h: Likewise.
2548 * config/rs6000/aix41.h: Likewise.
2549 * config/rs6000/aix43.h: Likewise.
2550 * config/rs6000/beos.h: Likewise.
2551 * config/rs6000/rtems.h: Likewise.
2552 * config/rs6000/sysv4.h: Likewise.
2554 2001-01-09 Kazu Hirata <kazu@hxi.com>
2556 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
2557 Change an argument mode of machine_mode to shift_mode of
2558 shift_mode. Remove an extra error check.
2559 (emit_a_shift): Adopt to the new calling prototype of
2561 (function_prologue): Fix code for a monitor
2562 function. Support H8/S.
2563 (function_epilogue): Do not output pop for a monitor function.
2565 2001-01-09 Nick Clifton <nickc@redhat.com>
2567 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
2568 (setup_incoming_varargs): Use sysv_varargs_p field of the
2569 cfun->machine structure.
2570 (struct machine_function): Move to rs6000.h
2571 (rs6000_save_machine_status): Delete.
2572 (rs6000_restore_machine_status): Delete.
2573 (rs6000_init_machine_status): New Function.
2574 (rs6000_free_machine_status): New Function.
2575 (rs6000_init_expanders): Use new functions.
2577 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
2579 (struct machine_function): Move here.
2581 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
2582 sysv_varargs_p field of the cfun->machine structure.
2584 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
2586 (rs6000_restore_machine_status): Remove prototype.
2588 2001-01-09 Richard Henderson <rth@redhat.com>
2590 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
2591 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
2592 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
2593 (sched_analyze_2, sched_analyze_insn): Likewise.
2594 (sched_analyze, init_deps): Likewise.
2595 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
2596 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
2597 (compute_block_backward_dependences): Update propagate_deps call.
2599 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
2601 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
2603 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
2605 * cppinit.c (OPT_MD, OPT_MMD): Restore.
2606 (cpp_handle_option): Handle them.
2607 (cpp_post_options): Ensure one of -M or -MM is specified with
2608 any other -M? option.
2609 (init_dependency_output): Suppress output with -MG.
2611 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
2614 * invoke.texi: Update.
2616 2001-01-09 Bernd Schmidt <bernds@redhat.com>
2618 * sh.md (reload_outsf): Generate recognizable patterns for
2621 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
2623 * c-lang.c (lang_hooks): Update.
2624 (lang_init): Rename c_init.
2625 (lang_finish): Remove.
2626 * toplev.c (compile_file): Use lang_hooks for lang_init ()
2628 * toplev.h (lang_hooks): Add init () and finish ().
2629 * tree.h (lang_init, lang_finish): Remove.
2630 * cp/tree.h (lang_init, lang_finish): Remove.
2631 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
2632 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
2634 (lang_init, lang_finish): Remove.
2635 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
2636 (lang_hooks): Update.
2637 * java/lang.c (lang_init): Rename java_init.
2638 (lang_finish): Remove.
2639 (lang_hooks): Update.
2640 * objc/objc-act.c (lang_init): Rename objc_init.
2641 (lang_finish): Remove.
2642 (lang_hoooks): Update.
2644 20001-01-09 Graham Stott <grahams@redhat.com>
2646 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
2647 after `ptr` is initialised.
2649 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
2651 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
2652 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
2653 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
2654 stack adjusts, instead of r3.
2656 2001-01-09 Michael Hayes <mhayes@redhat.com>
2658 * flow.c (flow_loop_scan): Break out of ...
2659 (flow_loops_find) ... here.
2660 * basic-block.h (flow_loop_scan): New.
2661 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
2662 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
2664 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
2666 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
2668 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
2669 realloc()ing macro_buffer.
2671 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
2672 if it's wider than long and the target's long is wider than the
2675 2001-01-09 Mark Mitchell <mark@codesourcery.com>
2677 Remove support for using UWIN as a host machine.
2678 * configure.in: Issue an error message.
2679 * configure: Regenerated.
2680 * config.gcc: Remove xm_* UWIN configury.
2681 * config/i386/xm-uwin.h: Remove.
2683 2001-01-08 Nick Clifton <nickc@redhat.com>
2685 * config/v850/v850.c (ra_rtx): Delete.
2686 (v850_save_machine_status): Delete.
2687 (v850_restore_machine_status): Delete.
2688 (v850_init_machine_status): New function.
2689 (v850_mark_machine_status): New function.
2690 (v850_free_machine_status): New function.
2691 (v850_return_addr): Use ra_rtx field in machine structure.
2692 (v850_init_expanders): Use new functions.
2694 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
2695 * config/v850/v850.c: Change arguments to v850_output+* functions
2696 to take a const char *, to avoid compile time warning.
2697 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
2698 (USER_LABEL_PREFIX): Redefine.
2700 2000-01-08 Jim Wilson <wilson@redhat.com>
2702 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
2703 1 to unsigned HOST_WIDE_INT before left shift.
2705 2001-01-08 Nick Clifton <nickc@redhat.com>
2707 * config/arm/arm.c (arm_mark_machine_status): Check to see if
2708 the machine structure has been allocated.
2709 (arm_free_machine_status): New function: Free the machine
2710 specific function structure.
2712 2001-01-08 Richard Henderson <rth@redhat.com>
2714 * jump.c (simplejump_p): Revert last change.
2716 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
2718 * cppinit.c (init): Rename init_library.
2719 (cpp_create_reader): Update.
2720 * gcc.c (cpp_options): If -o given, use it as the target of
2723 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
2725 * arm.c (arm_arch5e): New variable.
2726 (all_cores): XScale is a 5TE device.
2727 (arm_override_options): Set arm_arch5e.
2728 (arm_init_builtins): __builtin_prefetch is in arch5e.
2729 * arm.h (arm_arch5e): Declare it.
2731 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
2733 * arm.md (define_constants): Add defines for UNSPEC and
2734 UNSPEC_VOLATILE insns. Update all users.
2735 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
2736 * arm.c (multi_register_push, note_invalid_constants)
2737 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
2738 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
2739 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
2741 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
2743 * jump.c (jump_optimize_1): Use reversed_comparison_code
2744 instead of can_reverse_comparison_p.
2745 (jump_back_p): Likewise.
2746 (invert_exp_1): Likewise.
2747 (thread_jumps): Likewise.
2748 * simplify-rtx.c (simplify_unary_operation): Likewise.
2749 (simplify_ternary_operation): Likewise.
2750 * cse.c (find_comparison_args): Convert to use
2751 can_reverse_comparison_p.
2752 (record_jump_equiv): Likewise.
2754 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
2756 * arm.h (HARD_REGNO_RENAME_OK): Delete.
2757 (EPILOGUE_USES): Define.
2758 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
2759 automatically stack the LR if it isn't live.
2761 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
2763 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
2766 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
2768 * ggc-page.c (max_alignment): New structure.
2769 (MAX_ALIGNMENT): New macro.
2770 (init_ggc): Use it to round up the sizes in the
2771 extra_order_size_table.
2773 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2775 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
2778 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2780 * builtins.def (BUILT_IN_FPRINTF): New entry.
2782 * c-common.c (c_expand_builtin_fprintf): New function.
2783 (init_function_format_info): Handle __builtin_fprintf.
2784 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
2785 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
2787 * c-decl.c (duplicate_decls): Adjust comment.
2789 * extend.texi (fprintf): Document new builtin.
2791 2001-01-07 Richard Henderson <rth@redhat.com>
2793 * jump.c (simplejump_p): Recognize any single_set jump
2796 2001-01-07 Richard Henderson <rth@redhat.com>
2798 * configure.in (slibdir): Accept an --with-slibdir option.
2799 Use "test" not "[" in configure. Default to $(libdir).
2801 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
2803 * config/t-aix43 (SHLIB_INSTALL): Likewise.
2804 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
2805 (SHLIB_LINK): Create links for the soname.
2806 * config/mips/t-iris6: Likewise.
2807 * config/sparc/t-slibgcc: Likewise.
2808 * config/sparc/t-slibgcc-sld: Likewise.
2810 2001-01-07 Jakub Jelinek <jakub@redhat.com>
2812 * config/i386/i386.c (constant_call_address_operand): Accept
2813 (const (plus (symbol_ref) (const_int))).
2814 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
2815 constant_call_address_operand.
2817 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2819 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
2820 and LONG_LONG_TYPE_SIZE > 32.
2822 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2824 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
2825 the previous change.
2827 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
2829 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
2831 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
2832 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
2833 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
2836 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
2838 * fix-header.c (read_scan_file): s/pfile/scan_in/.
2840 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
2842 * c-lang.c (c_post_options): Call cpp_post_options.
2843 * objc/objc-act.c (objc_post_options): Similarly.
2844 * cppmain.c (main): Similarly.
2845 * fix-header.c (read_scan_file): Similarly.
2846 * cppinit.c (cpp_start_read): Move option consistency checks
2847 to cpp_post_options. Don't call init_dependency_output.
2848 If needed, add default target and main file dependency.
2849 (OPT_MD, OPT_MMD): Remove.
2851 (cpp_handle_option): Update for OPT_* changes.
2852 (cpp_post_options): New.
2853 (init_dependency_output): Command line -MF overrides environment
2854 variables. Don't set default target etc. Suppress output
2855 if dependencies are going to stdout.
2856 (print_help): Update.
2857 * cpplib.h (cpp_post_options): New.
2858 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
2860 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
2862 * jump.c (comparison_dominates_p): Support unordered compares.
2864 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
2866 * simplify-rtx.c (simplify_relational_operation): Always simplify
2867 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
2870 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
2872 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
2873 (nonzero_bits): Likewise.
2874 (simplify_comparison): Likewise.
2875 (num_sign_bit_copies): Likewise; return more sane value depending
2876 on STORE_FLAG_VALUE.
2877 (known_cond): Do not assume EQ to be always true for equivalent
2880 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
2882 * cse.c (fold_rtx): Handle unordered comparisons.
2884 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
2886 * rtlanal.c (set_of_1): New static function.
2887 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
2888 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
2889 reg_set_last_last_regno): Remove.
2890 (set_of): New global function.
2891 (set_of_data): New structure.
2892 (reg_set_p, reg_set_last): Revamp for set_of.
2893 * rtl.h (set_of): New.
2895 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
2897 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
2898 * extend.texi: Document _Exit builtin.
2900 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
2902 * (initialize, initialize_builtins,
2903 initialize_dependency_output, initialize_standard_includes):
2904 Rename s/initialize/init. Update.
2905 (init_dependency_output): Move to after
2906 cpp_handle_options, the correct location temporally at least.
2907 (opt_comp): Move next to init (), its caller. Fix prototype.
2908 (init): Make "initialized" local scope.
2909 (cpp_create_reader): Always call init ().
2910 (cpp_start_read): Update.
2911 (output_deps): New function, broken out of cpp_finish.
2912 (cpp_finish): Break out output_deps.
2914 2001-01-07 Richard Henderson <rth@redhat.com>
2916 * collect2.c (COFF specific stuff): Revert 12-06 patch
2917 to prototype system functions.
2919 2001-01-07 Michael Hayes <mhayes@redhat.com>
2921 * hard-reg-set.h: Add multiple include guard.
2922 * basic-block.h (struct loop): Add `sink' field.
2923 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
2924 (emit_iv_add_mult): Delete.
2925 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
2926 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
2927 (unroll_loop): Remove end_insert_before argument.
2928 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
2929 (maybe_eliminate_biv_1): Likewise.
2930 (emit_iv_add_mult): Delete.
2931 (gen_add_mult, loop_regs_update): New.
2932 (loop_insn_emit_after, loop_insn_emit_before): New.
2933 (loop_insn_sink, loop_insn_sink_or_swim): New.
2934 (emit_iv_add_mult): Delete.
2935 (scan_loop): Set loop->sink.
2936 (loop_givs_reduce): Use loop_insn_sink and its ilk.
2937 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
2938 (maybe_eliminate_biv_1): Likewise.
2939 (maybe_eliminate_biv_1): Add basic block argument.
2940 * unroll.c (unroll_loop): Remove end_insert_before argument.
2941 (find_splittable_regs): Likewise.
2942 (find_splittable_regs): Use loop_insn_sink and its ilk.
2943 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
2945 2001-01-07 Michael Hayes <mhayes@redhat.com>
2947 * loop.h (loop_insn_hoist): New prototype.
2948 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
2949 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
2950 (check_dbra_loop, load_mems): Likewise.
2951 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
2952 (find_splittable_givs): Likewise.
2954 2001-01-07 Michael Hayes <mhayes@redhat.com>
2956 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
2958 2001-01-07 Richard Henderson <rth@redhat.com>
2960 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
2962 2001-01-07 Richard Henderson <rth@redhat.com>
2964 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
2965 NO_SHARED_LIBGCC_MULTILIB as required for the target.
2966 * gcc.c (init_spec): Massage the existing libgcc_spec into a
2967 variant that handles a shared libgcc.
2968 (process_command): Always validate -{static,shared}-libgcc.
2969 (do_spec_1): New 'M' case.
2970 * invoke.text (Link Options): Document -{static,shared}-libgcc.
2972 2001-01-07 Richard Henderson <rth@redhat.com>
2974 * Makefile.in (slibdir): New variable.
2975 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
2976 (installdirs): Create slibdir.
2977 (install-libgcc, install-multilib): Defer to libgcc.mk.
2978 * configure.in (slibdir): Substitute.
2979 * mklibgcc.in (install): New target.
2981 * config/t-linux (SHLIB_LINK): Create links for the soname.
2982 (SHLIB_INSTALL): New.
2983 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
2984 * config/mips/t-iris6 (SHLIB_INSTALL): New.
2985 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
2986 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
2987 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
2989 2001-01-07 Richard Henderson <rth@redhat.com>
2991 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
2992 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
2993 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
2995 2001-01-07 Michael Hayes <mhayes@redhat.com>
2997 * loop.c (count_loop_regs_set): Delete.
2998 (load_mems_and_recount_loop_regs_set): Delete.
2999 (loop_regs_scan): Merge common code from count_loop_regs_set,
3000 scan_loop, and load_mems_and_recount_loop_regs_set.
3001 (scan_loop): Call load_mems directly and loop_regs_scan
3002 again if new registers created.
3004 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
3006 * toplev.c (main): Call the front-end specific post_options
3007 hook if one is given.
3008 * toplev.h (struct_lang_hooks, lang_hooks): New.
3009 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
3010 for the C front end.
3011 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
3012 lang_hooks for the C++ front end.
3013 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
3014 lang_hooks for the ObjC front end.
3015 * f/com.c (lang_hooks): Hooks for the Fortran front end.
3016 * java/lang.c (lang_hooks): Hooks for the Java front end.
3018 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
3020 * c-lex.c (init_c_lex): Request #define / #undef callbacks
3021 for verbose DWARF[2] debugging.
3022 (cb_define, cb_undef): The new callbacks.
3023 * toplev.h (debug_define, debug_undef): Make const correct.
3024 * toplev.c (debug_define, debug_undef): Similarly. Do not
3025 perform the verbosity tests here anymore.
3027 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
3029 * reload.c (subst_reloads): Take INSN argument. When
3030 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
3031 * reload.h (subst_reloads): Adjust prototype.
3032 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
3033 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
3034 present in JUMP_INSNs and copy them to JUMP_LABEL.
3035 * flow.c (find_label_refs, find_basic_blocks_1): Skip
3036 JUMP_INSNs and insns with REG_LABELs that are followed by
3037 JUMP_INSNs with the same REG_LABEL.
3038 * sched-rgn.c (is_cfg_nonregular): Likewise.
3039 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
3041 * unroll.c (unroll_loop): Look for REG_LABEL notes in
3043 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
3045 2001-01-06 Richard Henderson <rth@redhat.com>
3047 * loop.c (scan_loop): Use xcalloc for the regs array.
3048 (load_mems_and_recount_loop_regs_set): Zero the new memory
3049 received from xrealloc.
3051 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
3053 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
3055 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
3057 * integrate.c (copy_rtx_and_substitute): When copying
3058 an ignored return value, strip REG_FUNCTION_VALUE_P.
3060 2001-01-06 Michael Hayes <mhayes@redhat.com>
3062 * loop.c (debug_biv, debug_giv): New.
3063 (loop_biv_dump): Break out from ...
3064 (record_biv): ... here.
3065 (loop_giv_dump): Break out from ...
3066 (record_giv): ... here.
3067 (loop_bivs_check): Use print_simple_rtl.
3068 * unroll.c (loop_iterations): Use print_simple_rtl.
3070 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
3072 * pa.md (return, return_internal): Modify patterns to prevent regrename
3073 mucking with the return pointer.
3075 2001-01-05 Richard Henderson <rth@redhat.com>
3077 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
3079 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
3081 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
3082 version supplied by Matteo Frigo.
3084 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
3086 * cpp.texi: Update for -MQ.
3087 * cppinit.c (cpp_create_reader): Always create pfile->deps.
3088 (cpp_cleanup): Always free pfile->deps.
3089 (initialize_dependency_output): Don't create pfile->deps.
3090 (cpp_handle_option): Similarly.
3092 * gcc.c (cpp_options): Handle -MQ.
3093 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
3094 * mkdeps.c (base_name): Remove.
3095 (deps_init): Don't allocate vector space until it's needed.
3096 (deps_free): Only free vectors if allocated.
3097 (deps_add_target, deps_add_dep): Update for initial allocation.
3098 (deps_add_default_target): Don't strip to the base_name.
3100 2001-01-05 DJ Delorie <dj@redhat.com>
3102 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
3103 (INIT_EXPANDERS): Define.
3105 * config/v850/v850.c (struct machine_function): Define.
3106 (v850_save_machine_status): New function.
3107 (v850_restore_machine_status): New function.
3108 (v850_return_addr): New function.
3109 (v850_init_expanders): New function.
3111 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
3112 and v850_init_expanders.
3114 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
3116 * cpplib.h (struct cpp_reader): Add help_only field.
3117 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
3118 (cpp_handle_option): Set pfile->help_only if we see -h,
3119 --help, -target-help, or --version. Print version string but
3120 do not set help_only if we see -v or -version. Make text
3121 printed by -v match that printed by (-)-version.
3123 * cppmain.c (main): Exit after option parsing if
3124 pfile->help_only is true.
3126 * toplev.c (independent_decode_option): Call print_version,
3127 then exit, if we see --version (but not -version).
3128 (print_version): Split lengthy message into two lines.
3130 2001-01-05 Nick Clifton <nickc@redhat.com>
3132 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
3133 temporary string for initialisation before calling ggc_alloc_string.
3135 2001-01-06 Michael Hayes <mhayes@redhat.com>
3137 * rtl.h (print_simple_rtl): New.
3138 * print-rtl.c (print_simple_rtl): New.
3140 (print_rtx): Disable printing of flags and modes, etc.,
3141 if `flag_simple` nonzero.
3143 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
3145 * function.c (fixup_var_refs): Use push_to_full_sequence where
3148 2001-01-05 Michael Meissner <meissner@redhat.com>
3150 * flags.h (flag_reorder_blocks): Add declaration.
3151 (flag_rename_block): Ditto.
3153 2001-01-05 DJ Delorie <dj@redhat.com>
3155 * function.c (reorder_blocks): Make sure the flags are all reset
3156 before using them to mark blocks, else a second invocation will
3157 corrupt the block chain.
3158 (reorder_blocks_0): New, resets the flags.
3160 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
3162 * cse.c (find_comparison_args): Stop if the argument is known to
3165 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
3167 * config/sh/sh.md (movdf): When splitting load into pair of
3168 registers, don't clobber the register used in the address too
3171 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
3173 * varasm.c (mark_constant_pool): Improve initial comments.
3174 (mark_constants): Move marking of constants to mark_constant.
3175 (mark_constant): New function to recursively mark all constants
3176 referred to by a constant.
3178 2001-01-05 Catherine Moore <clm@redhat.com>
3180 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
3182 2001-01-05 Phil Edwards <pme@sources.redhat.com>
3184 * cp/lang-options.h: Bring comment in line with reality.
3185 * f/lang-options.h: Likewise.
3186 * java/lang-options.h: Likewise.
3187 * objc/lang-options.h: Likewise.
3188 * ch/lang-options.h: Likewise.
3189 * f/g77.texi: And update the manual.
3191 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
3192 Denis Chertykov <denisc@overta.ru>
3194 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
3195 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
3196 * config/avr/avr.md (all peepholes that request a scratch register):
3197 Call it, FAIL the peephole if not safe (in interrupt functions).
3199 2001-01-05 Mark Mitchell <mark@codesourcery.com>
3201 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
3203 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
3205 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
3207 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
3208 BUILT_IN_CREAL and BUILT_IN_CIMAG.
3209 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
3210 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
3211 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
3213 * extend.texi: Document these builtins.
3215 2001-01-05 Daniel Berlin <dberlin@redhat.com>
3217 * c-common.c (lang_get_alias_set): Say we know nothing of
3218 VECTOR_TYPE aliasing.
3220 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
3222 2001-01-05 Bruce Korb <bkorb@gnu.org>
3224 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
3225 their x* equivalent versions for atexit-less systems
3226 * fixinc/fixincl.c(main): do not return from main() on atexit-less
3227 systems (or any other system any more).
3229 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
3231 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
3232 output operands. Use arm_hard_register_operand for operand 4.
3233 (stmsi_postinc): Similarly.
3234 (ldmsi): Use arm_hard_register_operand for opernand 2.
3236 * arm.c (arm_hard_register_operand): New function.
3237 * arm-protos.h (arm_hard_register_operand): Prototype it.
3239 * arm.h (HARD_REGNO_RENAME_OK): Define.
3241 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
3243 * simplify-rtx.c (cfc_args): add "unordered" field.
3244 (check_fold_consts): Set unordered field.
3245 (simplify_relational_operation): Simplify the unordered
3248 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
3251 * emit-rtl.c (try_split): Fix code to mark labels.
3252 * jump.c (mark_jump_label): Make global.
3253 * rtl.h (mark_jump_label): Declare.
3255 * predict.c (estimate_probability): Handle unordred comparisons.
3257 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
3259 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
3260 * cppinit.c (initialize_dependency_output): Update.
3261 (cpp_finish): Output dummy targets for -MP.
3263 (cpp_handle_option): Handle -MP. Don't quote -MT options.
3264 * cpplib.h (struct cpp_options): Add deps_phony_targets.
3265 * gcc.c (cpp_options): Update to handle -MP.
3266 * mkdeps.c (deps_add_target, deps_add_default_target): Update
3267 to quote only the default target.
3268 (deps_phony_targets): Insert a preceding newline. Rename from
3269 deps_dummy_targets for consistency.
3272 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
3274 * calls.c (emit_library_call_value_1): Support
3275 INIT_CUMULATIVE_LIBCALL_ARGS.
3276 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
3278 2001-01-04 Richard Henderson <rth@redhat.com>
3280 * c-decl.c (finish_struct): Detect flexible array members
3281 used in an inappropriate context.
3282 * c-typeck.c (really_start_incremental_init): Special case
3283 constructor_max_index for zero length arrays.
3284 (pop_init_level): Allow initialization of flexible array
3285 members. Deprecate initialization of zero length arrays.
3286 Don't issue missing initializer warning for flexible array
3287 members or zero length arrays.
3288 (process_init_element): Don't dereference null DECL_SIZE.
3289 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
3290 Don't abort for empty constructors. Use size_binop
3291 (output_constructor): Add commentary regarding zero length
3292 array futures. Abort if we try to initialize an array of
3293 unspecified length with a non-empty constructor in the middle
3296 * extend.texi (Zero Length): Update and clarify documentation
3297 on static initialization.
3299 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3301 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
3302 with more than 32767 words of local storage.
3304 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3306 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
3307 for 'abs', 'labs', and 'fabs'.
3308 (c4x_expand_builtin): Likewise.
3309 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
3311 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
3313 * config/sh/sh.md (prget, prset): New insn types.
3314 (return delay slot): Dont' allow prset.
3315 (call, sfunc delay slot): Don't allow prget.
3316 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
3317 for prset and prget.
3319 2001-01-05 Michael Hayes <mhayes@redhat.com>
3321 * loop.h (struct loop_reg): New.
3322 (struct loop_regs): Change to use array of `struct loop_reg'.
3323 * loop.c: Replace assortment of varrays with single regs array.
3324 (count_one_set): Delete may_not_move array argument
3325 and use regs array instead. All caller's changed.
3326 (count_loop_regs_set): Delete may_not_move and single_usage
3327 arguments and use regs array instead. All caller's changed.
3328 (find_single_use_in_loop): Replace usage array argument with pointer
3329 to regs structure. All caller's changed.
3330 (loop_optimize): Delete `moved_once' array.
3332 2001-01-05 Michael Hayes <mhayes@redhat.com>
3334 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
3335 Use it instead of loop_info->has_call for scanning loop mems.
3336 (check_dbra_loop): Replace loop_info->has_call test with
3337 loop_info->has_nonconst_call.
3339 2000-01-04 Matthew Hiller <hiller@redhat.com>
3341 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
3344 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
3346 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
3347 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
3349 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
3351 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
3352 (flag_short_double, flag_short_wchar): Define.
3353 (c_common_nodes_and_builtins): Create many tree nodes shared
3354 between C and C++ here instead of in cp/decl.c and ...
3355 * c-decl.c (init_decl_processing): ... here.
3356 (SIZE_TYPE, WCHAR_TYPE): Don't define.
3357 (flag_short_double, flag_short_wchar): Don't define.
3358 (record_builtin_type): New function.
3359 (build_void_list_node): New function.
3360 * c-common.h (flag_short_double, flag_short_wchar,
3361 record_builtin_type, build_void_list_node): Declare.
3363 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
3365 * integrate.c (expand_inline_function): Don't put a virtual
3366 register into the reg map.
3368 * function.c (fixup_var_refs_1): If force_operand didn't put
3369 the address into the target, move it there.
3371 2001-01-04 Mark Mitchell <mark@codesourcery.com>
3373 Special-case tree_decl/tree_list allocations.
3374 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
3375 (OBJECT_SIZE): New macro.
3376 (NUM_EXTRA_ORDER): Likewise.
3377 (extra_order_size_table): New variable.
3378 (NUM_ORDERS): New macro.
3379 (objects_per_page_table): New variable.
3380 (object_size_table): New variable.
3381 (G.pages): Use NUM_ORDERS to bound the array.
3382 (G.page_tails): Likewise.
3383 (DIV_ROUND_UP): Remove.
3384 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
3385 (alloc_page): Use OBJECT_SIZE.
3386 (size_lookup): Don't make it const.
3387 (ggc_alloc): Use OBJECT_SIZE.
3388 (ggc_set_mark): Likewise.
3389 (ggc_get_size): Likewise.
3390 (init_ggc): Set up the object_size_table, objects_per_page_table,
3391 and adjust size_lookup.
3392 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
3393 (ggc_pop_context): Use NUM_ORDERS.
3394 (clear_marks): Likewise.
3395 (sweep_pages): Likewise.
3396 (poison_pages): Likewise.
3397 (ggc_print_statistics): Use OBJECT_SIZE.
3399 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3401 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
3402 Only call array_size_for_constructor if last field and array type
3403 with no upper bound.
3405 2001-01-04 Philip Blundell <philb@gnu.org>
3407 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
3408 from bit 31 downwards, if this requires no more insns.
3409 (count_insns_for_constant): New helper function for above.
3411 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
3413 * gencodes.c (output_predicate_decls): Remove empty initializer.
3415 2001-01-04 Mark Mitchell <mark@codesourcery.com>
3417 * tree.c (copy_node): Remove documentation about obstacks.
3418 (buidl1): Check that nobody tries to build 2-argument nodes this
3421 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3423 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
3426 * gencodes.c (output_predicate_decls): Fill empty initializer
3429 2001-01-04 Jakub Jelinek <jakub@redhat.com>
3431 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
3432 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
3434 (do_include): Handle missing headers like cpp0.
3435 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
3436 paths with first include pathname. Don't strcat to uninitialized
3439 2001-01-04 Bernd Schmidt <bernds@redhat.com>
3441 * regrename.c (regrename_optimize): Don't rename from frame pointer
3442 if frame_pointer_needed.
3443 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
3444 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
3445 (ia64_reorg): Use it instead of scheduling if ! optimize.
3446 (errata_emit_nops): Properly call asm_noperands.
3447 (ia64_sched_reorder): Finish cycle if we see an asm.
3448 (ia64_variable_issue): Clear scheduling state after asms.
3450 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
3452 * cpp.texi: Update for -MT.
3453 * cppinit.c (initialize_dependency_output): Add a default
3454 target if none has been given already.
3455 (no_tgt, OPT_MT): New.
3456 (cpp_handle_option): Handle -MT. Update -M etc.
3457 * cpplib.h (struct cpp_options): Remove deps_target.
3458 * gcc.c (cpp_options): Handle -MT.
3459 * mkdeps.c (struct deps): Move from mkdeps.h.
3460 (deps_calc_target): Rename deps_add_default_target. Add a
3461 default target if none has been specified already.
3462 * mkdeps.h (struct deps): Move to mkdeps.c.
3463 (deps_calc_target): Rename deps_add_default_target.
3465 2000-01-03 Richard Henderson <rth@redhat.com>
3467 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
3469 * c-typeck.c (push_init_level): Move checks for flexible array
3470 members and zero length arrays ...
3471 (pop_init_level): ... here. Silently discard empty initializations.
3473 * varasm.c (output_constructor): Update for sizeof change to
3476 * extend.texi (Zero Length): Clarify semantics.
3478 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
3480 * configure.in (tm.h): Include isns-codes.h last.
3481 * configure: Rebuilt.
3483 2001-01-03 Richard Henderson <rth@redhat.com>
3485 * config/alpha/alpha.md (addvsi3, addvdi3): New.
3486 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
3488 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3490 * tradcpp.c (main): Make sure finclude() is called with a valid
3491 indepth value while handling -include.
3493 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
3495 * gencodes.c (output_predicate_decls): New function.
3497 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
3498 even if it is not the first time machmode.h is #included.
3499 * config/sh/sh.c (fpul_operand): Declare MODE argument.
3500 * tm.texi (PREDICATE_CODES): Document predicate declarations.
3501 * gcc.texi (Copyright): Added 2001.
3503 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
3505 * c-common.c (c_common_lang_init): New function. Warn if format
3506 warning options which only have effects when used with -Wformat
3507 are used without -Wformat.
3508 * c-common.h (c_common_lang_init): Declare.
3509 * c-lang.c (lang_init): Call c_common_lang_init.
3510 * objc/objc-act.c (lang_init): Call c_common_lang_init.
3512 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
3514 * configure.in: Check for the mktemp command.
3515 * configure: Regenerate.
3516 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
3517 $TEMP. Create temporary files with mktemp, if available at
3518 configure time; otherwise use set -C. Remove temporary files
3521 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
3523 * configure.in: Require at least texinfo 4.0. Check for whether
3524 Pod::Man is sufficiently recent to regenerate GCC manpages.
3525 * configure: Regenerate.
3526 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
3528 (GENERATED_MANPAGES): Define.
3529 (generated-manpages): New target. Depend on cpp.1 as well as
3531 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
3532 configure to generated-manpages or empty) rather than on the
3533 manpages directly. Remove execute permission from installed
3534 gcov.1 as well as cpp.1.
3535 * cpp.1, gcov.1: Regenerate.
3537 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3539 * builtins.c (expand_builtin_strncmp): Use host_integerp and
3540 tree_low_cst. Allow using cmpstrsi in more cases.
3542 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3544 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
3547 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
3549 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
3550 * Makefile.in (HOST_CFLAGS): Mention build-make.
3552 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3554 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
3557 2001-01-01 Bernd Schmidt <bernds@redhat.com>
3559 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
3562 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
3565 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
3566 reg_base_value and reg_known_value arrays.
3567 (init_alias_analysis): Add more cases to detect known values.
3568 * sched-deps.c (deps_may_trap_p): New function.
3569 (sched_analyze_2): Use it.
3571 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
3573 * combine.c (simplify_shift_const): Even if we're sign-extracting,
3574 don't discard an ASHIFTRT if we're shifting in a wider mode.
3576 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
3578 * toplev.c (rest_of_compilation): Don't print basic block information
3579 when CFG isn't up to date.
3581 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
3583 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
3584 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
3585 (UNALIGNED_SHORT_ASM_OP): Define.
3586 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
3588 2001-01-02 Mark Mitchell <mark@codesourcery.com>
3590 * fold-const.c (fold_convert): Fix typo.
3592 2001-01-02 Richard Henderson <rth@redhat.com>
3594 * c-common.h (ASM_INPUT_P): New.
3595 * c-parse.in (asm): Set it when needed.
3596 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
3597 existance of an operand.
3599 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
3601 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
3602 (dwarf2out_frame_debug_expr): Likewise.
3603 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
3605 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
3607 * i386.c (ix86_split_to_parts): Return number of part required;
3609 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
3611 (ix86_split_long_move): Use number of part returned
3612 by ix86_split_to_parts
3613 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
3615 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
3616 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
3617 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
3618 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
3619 (ALIGN_MODE_128): Add TFmode.
3620 (IS_STACK_MODE): Likewise.
3621 (HARD_REGNO_NREGS): TFmode needs 3 registers.
3622 (HARD_REGNO_OK): Support TFmodes.
3623 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
3624 * i386.md (scheduler definitions): Use memory operand to determine
3625 fst/fld instructions; use mode attribute to determine real mode of
3627 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
3628 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
3630 2001-01-02 Mark Mitchell <mark@codesourcery.com>
3632 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
3634 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
3636 * expr.c (store_constructor_field): Update ALIGN before calling
3639 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
3641 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
3644 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
3646 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
3649 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
3651 * c-decl.c (start_function): Don't warn on third parameter to main.
3653 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3655 * tsystem.h: Define HAVE_DECL_GETOPT.
3657 2001-01-02 Philip Blundell <pb@futuretv.com>
3659 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
3662 2001-01-02 Richard Henderson <rth@redhat.com>
3664 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
3666 2001-01-02 Andreas Jaeger <aj@suse.de>
3668 * c-decl.c (c_decode_option): Remove support of
3671 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
3672 (W_options): Add -Wmissing-noreturn here.
3674 * flow.c: Define lang_missing_noreturn_ok_p.
3675 (check_function_return_warnings): Use it.
3677 * c-common.h: Declare lang_missing_noreturn_ok_p.
3679 * c-lang.c (c_missing_noreturn_ok_p): New function.
3680 (lang_init): Set lang_missing_noreturn_ok_p.
3682 * invoke.texi (Warning Options): Document this.
3684 2000-12-27 Phil Edwards <pme@sources.redhat.com>
3686 * extend.texi (C++ Extensions): New node for C++ attributes;
3687 describe init_priority and com_interface.
3688 * invoke.texi: Remove -finit-priority as it now has zero effect.
3689 * install.texi: Fix xref syntax.
3690 * md.texi: Likewise.
3692 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3694 * config.gcc (sparc64-wrs-vxworks*): New case.
3695 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
3697 * config/sparc/sparc.c (sparc_override_options): Do support different
3698 pointer and architecture size.
3699 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
3700 (POINTERS_EXTEND_UNSIGNED): Define.
3701 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
3702 (FUNCTION_MODE): Define to be Pmode.
3703 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
3705 * function.c (expand_function_end): Properly handle DECL_RESULT
3706 and copy when ptr_mode != Pmode.
3707 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
3709 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3711 * c-common.c (c_common_nodes_and_builtins): Set prototype
3712 parameters for __builtin_fputs, __builtin_fputc and
3713 __builtin_fwrite. Don't declare plain fputc as a builtin.
3715 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
3717 * loop.c (add_label_notes): Increment the label usage count when
3718 a note is added to an insn which refers to a CODE_LABEL.
3719 * gcse.c (add_label_notes): Likewise.
3721 2001-01-01 Andreas Jaeger <aj@suse.de>
3723 * loop.c (scan_loop): Use xmalloc to allocate movables.
3725 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
3727 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
3728 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
3729 * reload1.c (REGISTER_MOVE_COST): Likewise.
3730 * regclass.c (REGISTER_MOVE_COST): Likewise.
3731 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
3732 dimension. Adjust all users.
3733 (init_reg_sets_1): Iterate on all modes.
3734 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
3735 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
3736 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
3737 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
3738 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
3739 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
3740 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
3741 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
3742 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
3743 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
3744 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
3745 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
3746 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
3747 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
3748 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
3749 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
3750 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
3751 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
3752 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
3753 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
3754 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
3755 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
3756 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
3757 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
3758 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
3759 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
3760 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
3762 2001-01-01 Bernd Schmidt <bernds@redhat.com>
3764 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
3765 arg VARIES_P. Call it with extra arg.
3766 (true_dependence): Likewise.
3767 * rtl.h (rtx_addr_can_trap_p): Declare.
3768 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
3770 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
3771 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
3772 pic offset table register if it's zero. All callers changed.
3773 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
3775 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3777 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
3778 STRING_POOL_ADDRESS_P.
3780 * config/sparc/sparc.c (input_operand): Properly test for short op.
3782 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
3783 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
3784 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
3785 * config/sparc/elf.h: No longer include sol2.h.
3786 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
3787 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
3789 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
3791 2001-01-01 Michael Hayes <mhayes@redhat.com>
3793 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
3794 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
3795 (record_initial): Likewise.
3796 * unroll.c (copy_loop_body, loop_iterations): Likewise.
3797 (remap_split_bivs): Likewise.
3799 2001-01-01 Michael Hayes <mhayes@redhat.com>
3801 * loop.c (loop_ivs_free): New function.
3802 (strength_reduce): Break out from...
3804 2001-01-01 Michael Hayes <mhayes@redhat.com>
3806 * loop.h (struct iv): New.
3807 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
3808 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
3809 'reg_biv_class' fields with 'regs' and 'n_regs'.
3810 (struct ivs): Rename 'loop_iv_list' field to 'list'.
3811 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
3812 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
3814 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
3816 * resource.c (mark_referenced_resources): Abort() before
3817 attempting to mark a pseudo register.
3818 (mark_set_resources): Likewise.
3820 2001-01-01 Michael Hayes <mhayes@redhat.com>
3822 * loop.h (REG_IV_CLASS): New accessor macro.
3823 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
3824 * unroll.c (REG_IV_CLASS): Likewise.
3826 See ChangeLog.4 for earlier changes.