1 2001-09-15 Hans-Peter Nilsson <hp@bitrange.com>
3 * reorg.c (fill_slots_from_thread): After call to
4 steal_delay_list_from_target, update own_thread as new_thread may
7 2001-09-14 Neil Booth <neil@daikokuya.demon.co.uk>
9 * cpperror.c (print_location): Take line and column, for
10 default positioning use the previously lexed token.
11 (_cpp_begin_message): Take line and column.
12 (cpp_ice, cpp_fatal, cpp_error, cpp_error_with_line, cpp_warning,
13 cpp_warning_with_line, cpp_pedwarn, cpp_pedwarn_with_line): Update.
14 * cpphash.h (_cpp_begin_message): Update prototype.
15 * cppinit.c (push_include): Don't set output line.
16 * cpplex.c (_cpp_lex_token): Callback for start of new output lines.
17 * cpplib.c (do_diagnostic, _cpp_pop_buffer): Update.
18 (do_pragma): Kludge for front ends. Don't expand macros at all.
19 * cpplib.h (cpp_lookahead, cpp_token_with_pos, cpp_get_line): Remove.
20 (struct cpp_token): Remove output_line.
21 (struct cpp_callbacks): New member line_change.
22 * cppmacro.c (builtin_macro, paste_all_tokens, replace_args,
23 cpp_get_token): Preserve BOL flag.
24 (cpp_get_line): Remove.
25 (_cpp_backup_tokens): Remove useless abort().
26 * cppmain.c (cb_line_change): New.
27 (scan_translation_unit): Don't worry about starting new lines here.
28 * scan-decls.c (scan_decls): Update.
29 * c-lex.c (c_lex, init_c_lex): Update.
30 (cb_line_change, src_lineno): New.
32 Fri Sep 14 13:54:50 EDT 2001 John Wehle (john@feith.com)
34 * tree.c (append_random_chars): Generate the random
35 characters in a reproducable fashion.
37 2001-09-14 Richard Henderson <rth@redhat.com>
39 * config/i386/i386.c (internal_label_prefix): New.
40 (internal_label_prefix_len): New.
41 (override_options): Set them.
42 (local_symbolic_operand): New.
43 (legitimate_pic_address_disp_p): Use it.
44 (legitimize_pic_address): Likewise.
46 2001-09-14 Marc Espie <espie@openbsd.org>
48 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Generate reference to GOT
51 2001-09-14 Roman Lechtchinsky <rl@cs.tu-berlin.de>
53 * config/alpha/alpha.md (unaligned_extendhidi_be): Fix.
54 * config/alpha/unicosmk.h (INIT_TARGET_OPTABS): New.
56 2001-09-14 Nick Clifton <nickc@cambridge.redhat.com>
58 * rtlanal.c (subreg_regno_offset): Add semicolon to end of
59 invocation of SUBREG_REGNO_OFFSET.
61 * haifa-sched.c: Fix typo in FSF copyright statement.
62 * sched-deps.c: Fix typo in FSF copyright statement.
63 * sched-ebb.c: Fix typo in FSF copyright statement.
64 * sched-rgn.c: Fix typo in FSF copyright statement.
65 * sched-vis.c: Fix typo in FSF copyright statement.
67 * config.gcc: Move inclusion of arm elf specific header files
68 from the files themselves into the tm_file variable. Make
69 sure that elfos.h is included before target specific elf
71 * config/arm/aout.h (NO_DOLLAR_IN_LABEL): Only define if not
73 (ASM_OUTPUT_ASCII, ASM_OUTPUT_SKIP): Protect definition.
74 * config/arm.arm.h (TARGET_MEM_FUNCTIONS,
75 ASM_OUTPUT_CASE_LABEL): Protect definition.
76 (CC1_SPEC, FP_DEFAULT, ARM_FUNCTION_PROFILE): Only define if
78 * config/arm/conix-elf.h: (USER_LABEL_PREFIX,
79 LOCAL_LABEL_PREFIX, MAKE_DECL_ONE_ONLY, UNIQUE_SECTION):
80 Remove duplicate definition.
81 (READONLY_DATA_SECTION, SUBTARGET_EXTRA_SECTION,
82 (SUBTARGET_EXTRA_SECTION_FUNCTION, RDATA_SECTION_ASM_OP,
83 (RDATA_SECTION_FUNCTION): Remove redundant definition.
84 (STARTFILE_SPEC, ENDFILE_SPEC): Protect definition.
85 Remove inclusion of arm/elf.h.
86 * config/arm/unknown-elf.h: as for conix-elf.h.
87 (STARTFILE_SPEC): Include crti.o and crtn.o.
88 * config/arm/linux-elf.h: as for conix-elf.h.
89 * config/arm/ecos-elf.h: Remove inclusion of unknown-elf.h.
90 * config/arm/strongarm-elf.h: Remove inclusion of
92 * config/arm/xscale-elf.h: Remove inclusion of unknown-elf.h.
93 * config/arm/unknown-elf-oabi.h: Remove inclusion of
94 unknown-elf.h and elf.h.
95 * config/arm/uclinux-elf.h: Remove inclusion of linux-elf.h.
96 * config/arm/linux-gas.h (DBX_DEBUGGING_INFO,
97 ASM_WEAKEN_LABEL): Remove redundant definition.
98 * config/arm/elf.h: Test for inclusion of elfos.h
99 (USER_LABEL_PREFIX, ASM_DECLARE_RESULT, ASM_DECLARE_RESULT,
100 ASM_DECLARE_OBJECT_NAME, ASM_FINISH_DECLARE_OBJECT_NAME,
101 SUBTARGET_EXTRA_SECTION, SUBTARGET_EXTRA_SECTION_FUNCTION,
102 EXTRA_SECTIONS, INT_ASM_OP, ASM_WEAKEN_LABEL): Remove
103 redundant definition.
104 (TYPE_OPERAND_FMT, ASM_DECLARE_FUNCTION_NAME,
105 ASM_DECLARE_FUNCTION_SIZE, ASM_OUTPUT_INTERNAL_LABEL,
106 ASM_OUTPUT_ALIGNED_COMMON): Protect definition.
107 * t-arm-elf (EXTRA_MULTILIB_PARTS): Add crti.o and crtn.o.
108 Add rules to build crti.o and crtn.o
109 * crti.asm: New file.
110 * crtn.asm: New file.
112 2001-09-13 Neil Booth <neil@daikokuya.demon.co.uk>
114 * c-parse.in (_yylex): Use _cpp_backup_tokens.
115 * cpphash.h (struct tokenrun): Add prev.
116 (struct lexer_state): Remove bol.
117 (struct cpp_reader): Remove old lookahead stuff, add lookaheads.
118 (_cpp_free_lookaheads, _cpp_release_lookahead, _cpp_push_token)
120 * cppinit.c (cpp_create_reader): Don't set bol.
121 (cpp_destroy): Don't free lookaheads.
122 * cpplex.c (lex_directive): Remove.
123 (next_tokenrun): Update.
124 (_cpp_lex_token): Clean up logic.
125 (lex_token): Update to return a pointer to lexed token, since it
126 can move to the start of the buffer. Simpify newline handling.
127 * cpplib.c (SEEN_EOL): Update.
128 (skip_rest_of_line): Remove lookahead stuff.
129 (end_directive): Line numbers are already incremented. Revert
130 to start of lexed token buffer if we can.
131 (_cpp_handle_directive, do_pragma, do_pragma_dependency,
132 parse_answer): Use _cpp_backup_tokens.
133 (run_directive, cpp_pop_buffer): Don't set bol, set saved_flags
134 instead. Don't check for EOL.
135 (do_include_common, do_line, do_pragma_system_header): Use
137 * cpplib.h (BOL, _cpp_backup_tokens): New.
138 * cppmacro.c (save_lookahead_token, take_lookahead_token,
139 alloc_lookahead, free_lookahead, _cpp_free_lookaheads,
140 cpp_start_lookahead, cpp_stop_lookahead, _cpp_push_token): Remove.
141 (builtin_macro): Don't use cpp_get_line.
142 (cpp_get_line): Short term kludge.
143 (parse_arg): Handle directives in arguments here. Back up when
144 appropriate. Store EOF at end of argument list.
145 (funlike_invocation_p): Use _cpp_backup_tokens.
146 (push_arg_context): Account for EOF at end of list.
147 (cpp_get_token): Remove lookahead stuff. Update.
149 2001-09-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
151 * c-parse.in (yyerror): Const-ification and/or static-ization.
152 * c-typeck.c (push_member_name): Likewise.
153 * collect2.c (main): Likewise.
154 * dbxout.c (dbxout_parms): Likewise.
155 * diagnostic.c (format_with_decl): Likewise.
156 * dwarf2out.c (output_ranges): Likewise.
157 * dwarfout.c (fundamental_type_code): Likewise.
158 * except.c (dw2_output_call_site_table): Likewise.
159 * gcc.c (do_spec_1): Likewise.
160 * genopinit.c (optabs): Likewise.
161 * objc/objc-act.c (synth_id_with_class_suffix, start_class,
162 gen_declaration_1, handle_impent): Likewise.
163 * protoize.c (default_include, in_system_include_dir, abspath):
165 * sched-vis.c (visualize_stall_cycles): Likewise.
166 * sdbout.c (plain_type_1, sdbout_end_function,
167 sdbout_end_epilogue): Likewise.
168 * varasm.c (decode_reg_name): Likewise.
170 * 1750a.c (mod_regno_adjust): Likewise.
171 * alpha.c (alpha_write_one_linkage,
172 unicosmk_output_default_externs): Likewise.
173 * arm.c (arm_condition_codes): Likewise.
174 * arm.h (arm_condition_codes): Likewise.
175 * avr.c (output_movsisf, encode_section_info): Likewise.
176 * darwin.h (GEN_BINDER_NAME_FOR_STUB, GEN_SYMBOL_NAME_FOR_SYMBOL):
178 * i386.c (hi_reg_name, qi_reg_name, qi_high_reg_name): Likewise.
179 * i386.h (hi_reg_name, qi_reg_name, qi_high_reg_name): Likewise.
180 * m88k.c (output_function_profiler): Likewise.
181 * mips.c (mips_output_conditional_branch): Likewise.
182 * ns32k.c (ns32k_out_reg_names): Likewise.
183 * ns32k.h (ns32k_out_reg_names): Likewise.
184 * pj.c (pj_output_rval): Likewise.
185 * rs6000.c (GEN_LOCAL_LABEL_FOR_SYMBOL): Likewise.
186 * sparc.c (sparc_flat_function_prologue,
187 sparc_flat_function_epilogue): Likewise.
189 2001-09-13 Markus Werle <numerical.simulation@web.de>
190 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
192 * doc/install.texi (Binaries): Add "Binaries for HP-UX 11.00 at
193 Aachen University of Technology".
195 2001-09-13 Andreas Schwab <schwab@suse.de>
197 * config/float-m68k.h: Define DECIMAL_DIG and FLT_EVAL_METHOD for
200 2001-09-13 Richard Henderson <rth@redhat.com>
202 * config/alpha/alpha.c (small_symbolic_operand): New.
203 (override_options): Set MASK_SMALL_DATA based on pic/PIC.
204 (some_operand, input_operand): Don't handle HIGH.
205 (alpha_legitimize_address): Use it. Emit HIGH with PLUS gp.
206 (alpha_expand_mov): Likewise.
207 (print_operand) [H]: Just print HIGH symbol.
208 (print_operand_address): Handle small data.
209 * config/alpha/alpha.h (MASK_SMALL_DATA, TARGET_SMALL_DATA): New.
210 (TARGET_SWITCHES): Add -msmall-data/large-data.
211 (PIC_OFFSET_TABLE_REGNUM): New.
212 (PREFERRED_RELOAD_CLASS): Don't handle HIGH.
213 (PREDICATE_COES): Update.
214 * config/alpha/alpha.md (adddi_er_high): New.
215 (adddi_er_low): Handle small data.
216 * config/alpha/elf.h (DO_SELECT_SECTION): If SMALL_DATA,
217 prefer .sdata to .rodata.
218 (SELECT_RTX_SECTION): Likewise.
220 2001-09-12 Josh Martin <josh.martin@abq.sc.philips.com>
222 * fixinc/inclhack.def(hpux11_size_t): Keep HP-UX headers from
223 defining __size_t and leaving size_t undefined.
225 2001-09-12 Diego Novillo <dnovillo@redhat.com>
227 * basic-block.h (expunge_block): Declare.
228 * cfg.c (expunge_block): Remove static declaration.
230 2001-09-12 Richard Henderson <rth@redhat.com>
232 * integrate.c (copy_insn_list): Copy label name from
233 NOTE_INSN_DELETED_LABEL.
235 2001-09-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
237 * c-common.c (c_tree_code_name): Const-ification.
238 * c-decl.c (c_decode_option): Likewise.
239 * c-typeck.c (warn_for_assignment): Likewise.
240 * collect2.c (libexts, is_ctor_dtor, main, ignore_library):
242 * cppinit.c (output_deps): Likewise.
243 * dependence.c (dependence_string, direction_string): Likewise.
244 * dwarf2out.c (output_ranges): Likewise.
245 * fixinc/fixfixes.c (emit_gnu_type): Likewise.
246 * fixinc/gnu-regex.c (re_error_msgid): Likewise.
247 * gcc.c (standard_exec_prefix, standard_exec_prefix_1,
248 standard_startfile_prefix, standard_startfile_prefix_1,
249 standard_startfile_prefix_2, tooldir_base_prefix,
250 standard_bindir_prefix, find_a_file): Likewise.
251 * genattrtab.c (make_length_attrs): Likewise.
252 * gencheck.c (tree_codes): Likewise.
253 * genemit.c (gen_split): Likewise.
254 * genrecog.c (special_mode_pred_table): Likewise.
255 * graph.c (graph_ext): Likewise.
256 * protoize (default_include): Likewise.
257 * reload.c (reload_when_needed_name): Likewise.
258 * sched-vis.c (visualize_stall_cycles): Likewise.
259 * tlink.c (recompile_files): Likewise.
260 * toplev.c (decode_g_option): Likewise.
261 * tradcpp.c (output_deps): Likewise.
262 * varasm.c (decode_reg_name): Likewise.
264 * arm.c (arm_condition_codes, strings_fpa, thumb_condition_code):
267 * avr.c (avr_regnames, encode_section_info): Likewise.
268 * c4x.c (float_reg_names): Likewise.
269 * darwin.h (ASM_GLOBALIZE_LABEL): Likewise.
270 * elfos.h (const_section): Likewise.
271 * i386.c (ix86_comp_type_attributes): Likewise.
272 * i386/win32.h (STRIP_NAME_ENCODING): Likewise.
273 * ia64/aix.h (UNIQUE_SECTION): Likewise.
274 * ia64.c (type_names): Likewise.
275 * m68hc11.c (reg_class_names): Likewise.
276 * m88k.c (m_options): Likewise.
277 * mips.c (mips_output_conditional_branch, mips_unique_section):
279 * rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
280 * sparc.c (sparc_flat_function_prologue, sparc_flat_function_epilogue,
281 ultra_code_names): Likewise.
282 * sparc.h (OVERRIDE_OPTIONS): Likewise.
284 2001-09-12 Jakub Jelinek <jakub@redhat.com>
286 * configure.in (gcc_cv_as_shf_merge): Fix a typo.
287 Use --fatal-warnings option for gas.
288 * configure: Rebuilt.
290 2001-09-12 Roman Lechtchinsky <rl@cs.tu-berlin.de>
292 * doc/install.texi (Specific, alphaev5-cray-unicosmk*): Document.
294 2001-09-11 Jim Wilson <wilson@redhat.com>
296 * alias.c (clear_reg_alias_info): Only handle pseudo registers.
298 2001-10-11 Matt Kraai <kraai@alumni.carnegiemellon.edu>
300 * builtins.c (c_strlen): Treat an offset too large for a
301 HOST_WIDE_INT as out of range.
303 Tue Sep 11 18:57:47 CEST 2001 Jan Hubicka <jh@suse.cz>
305 * basic-block.h (EDGE_CRITICAL): Remove; renumber other flags.
306 (EDGE_CRITICAL_P): New predicate.
307 * cfg.c (force_nonfallthru_and_redirect, split_edge): Kill EDGE_CRITICAL
309 (insert_insn_on_edge): Use EDGE_CRITICAL_P.
310 (dump_edge_info): Remove "crit".
311 * cfganal.c (mark_critical_edges): Kill.
312 * cfgbuild.c (find_basic_blocks): Remove mark_critical_edges call.
313 * cfgcleanup.c (cleanup_cfg): Likewise.
314 * profile.c (instrument_edges): Use EDGE_CRITICAL_P.
315 (find_spanning_tree): Likewise.
316 * reg-stack.c (convert_regs_1): Likewise.
317 * ssa.c (mark_regs_equivalent_over_bad_edges): Likewise.
319 * basic-block.h (create_basic_block_structure): New.
320 (create_basic_block): Update prototype.
321 (force_nonfallthru): New.
322 * bb-reorder.c (fixup_reorder_chain): Fixup use force_nonfallthru.
323 * cfg.c (create_basic_block_structure): Rename from create_basic_block;
324 handle updating of block_for_insn, creating of empty BBs and BBs at
325 the end of INSN chain.
326 (create_basic_block): New function.
327 (split_block): Use create_basic_block.
328 (force_nonfallthru_and_redirect): Break out from ...; cleanup
329 (redirect_edge_and_branch_force): ... here.
330 (force_nonfallthru): New.
331 (split_edge): Rewrite to use force_nonfallthru and create_block.
332 * cfgbuild.c (find_basic_blocks_1): Use create_basic_block_structure.
333 (find_basic_blocks): Free basic_block_for_insn.
334 * cfgcleanup.c (merge_blocks): Use force_nonfallthru.
336 * cfg.c: Fix formating.
337 * cfgcleanup.c: Fix formating.
338 (merge_blocks, tail_recursion_label_p): Return bool.
339 (merge_blocks_move_predecessor_nojumps,
340 merge_blocks_move_successor_nojumps): Return void.
342 2001-09-11 Jakub Jelinek <jakub@redhat.com>
344 * configure.in: Check whether assembler supports section merging.
345 * config.in: Rebuilt.
346 * configure: Rebuilt.
347 * varasm.c (variable_section, output_constant_pool): Pass alignment
348 to SELECT_SECTION and SELECT_RTX_SECTION.
349 (mergeable_string_section): New.
350 (mergeable_constant_section): New.
351 (default_elf_asm_named_section): Output SECTION_MERGE and
352 SECTION_STRINGS flags plus SECTION_ENTSIZE entity size.
353 * output.h (mergeable_string_section): New.
354 (mergeable_constant_section): New.
355 (SECTION_MERGE, SECTION_STRINGS, SECTION_ENTSIZE): Define.
356 * toplev.c (flag_merge_constants): New.
357 (f_options): Add -fmerge-constants and -fmerge-all-constants
359 (toplev_main): Default to -fno-merge-constants if not optimizing.
360 * flags.h (flag_merge_constants): Add extern.
361 * invoke.texi (-fmerge-constants, -fmerge-all-constants): Document.
362 * tm.texi (SELECT_SECTION, SELECT_RTX_SECTION): Document added third
364 * config/elfos.h (ASM_SECTION_START_OP, ASM_OUTPUT_SECTION_START):
365 Define if assembler has working .subsection -1 support.
366 (SELECT_RTX_SECTION, SELECT_SECTION): Add third macro argument.
367 Put constant into special SHF_MERGE sections if the linker should
368 attempt to merge duplicates.
369 * config/ia64/sysv4.h (SELECT_RTX_SECTION, SELECT_SECTION): Add third
371 Put constant into special SHF_MERGE sections if the linker should
372 attempt to merge duplicates.
373 * config/alpha/elf.h: Likewise.
374 (ASM_SECTION_START_OP, ASM_OUTPUT_SECTION_START): Define if assembler
375 has working .subsection -1 support.
376 * config/nextstep.h: Add third argument to SELECT_RTX_SECTION and
378 * config/svr3.h: Likewise.
379 * config/darwin.h: Likewise.
380 * config/arm/aof.h: Likewise.
381 * config/arm/linux-elf.h: Likewise.
382 * config/avr/avr.h: Likewise.
383 * config/c4x/c4x.h: Likewise.
384 * config/d30v/d30v.h: Likewise.
385 * config/i386/dgux.h: Likewise.
386 * config/i386/osfrose.h: Likewise.
387 * config/i386/sco5.h: Likewise.
388 * config/i386/svr3gas.h: Likewise.
389 * config/ia64/aix.h: Likewise.
390 * config/m32r/m32r.h: Likewise.
391 * config/m68k/m68k.h: Likewise.
392 * config/m88k/dgux.h: Likewise.
393 * config/m88k/m88k.h: Likewise.
394 * config/mcore/mcore-pe.h: Likewise.
395 * config/mips/mips.h: Likewise.
396 * config/pa/pa.h: Likewise.
397 * config/pa/pa-linux.h: Likewise.
398 * config/romp/romp.h: Likewise.
399 * config/rs6000/sysv4.h: Likewise.
400 * config/rs6000/xcoff.h: Likewise.
401 * config/s390/linux.h: Likewise.
402 * config/sparc/sparc.h: Likewise.
403 * config/sparc/sysv4.h: Likewise.
404 * config/stormy16/stormy16.h: Likewise.
405 * config/v850/v850.h: Likewise.
406 * config/vax/vms.h: Likewise.
407 * config/arm/arm.c (arm_elf_asm_named_section): Output SECTION_MERGE
408 and SECTION_STRINGS flags plus SECTION_ENTSIZE entity size.
409 * config/sparc/sparc.c (sparc_elf_asm_named_section): Use
410 default_elf_asm_named_section for SHF_MERGE sections.
412 Tue Sep 11 17:55:54 CEST 2001 Jan Hubicka <jh@suse.cz>
414 * bb-reorder.c (fixup_reorder_chain): Fallthru edge to exit block
417 2001-09-11 Joseph S. Myers <jsm28@cam.ac.uk>
419 * c-common.c (split_specs_attrs): Allow for empty attributes with
420 empty TREE_PURPOSE. Fixes PR c/4294.
422 Tue Sep 11 11:37:52 CEST 2001 Jan Hubicka <jh@suse.cz>
424 * basic-block.h (cached_make_edge, make_single_succ): New.
425 (make_edge): Remove first parameter.
426 * bb-reroder.c (fixup_reorder_chain): Use make_single_succ_edge.
427 * cfg.c (cached_make_edge): Rename from make_edge; return newly
428 created edge; use obstack allocation.
429 (make_edge, make_single_succ_edge): New.
430 (first_removed_edge): New static variable.
431 (init_flow): Initialize first_removed_edge and n_edges.
432 (clear_edges): Use remove_edge.
433 (flow_delete_block): Likewise.
434 (remove_edge): Add removed edges to the removed edges list.
435 (split_block, redirect_edge_and_branch_force, split_edge):
437 * cfganal.c (flow_call_edges_add): Updaet make_edge call.
438 (add_noreturn_fake_exit_edges): Likewise.
439 (connect_infinite_loops_to_exit): Liekwise.
440 * cfgbuild.c (make_label_edge, make_edges, find_sub_basic_blocks):
441 Use cached_make_edge.
442 * cfgcleanup.c (try_crossjump_to_edge): Use make_single_succ_edge.
443 * profile.c (branch_prob): Update make_edge call.
444 * ssa-dce.c (ssa_eliminate_dead_code): Likewise.
446 2001-09-11 Richard Henderson <rth@redhat.com>
448 * config/alpha/alpha.c: Tidy formatting.
449 (local_symbolic_operand): Verify mode.
450 (alpha_sa_mask): Ignore unicos for eh_return.
451 (alpha_expand_epilogue): Handle sp_adj2 zero, not NULL.
452 * config/alpha/alpha.md (umk divsi patterns): Remove.
453 (extendsfdf2): Remove unicos check.
454 (tablejump): Merge vms and unicos code; always use direct set
457 2001-09-11 Roman Lechtchinsky <rl@cs.tu-berlin.de>
459 * config.gcc (alpha*-*-unicosmk*): New target.
461 * config/alpha/alpha-protos.h (symbolic_operand,
462 unicosmk_add_call_info_word, unicosmk_add_extern,
463 unicosmk_defer_case_vector, unicosmk_unique_section,
464 unicosmk_output_align, unicosmk_text_section, unicosmk_data_section,
465 unicosmk_asm_file_start, unicosmk_asm_file_end,
466 unicosmk_output_common): Declare.
468 * config/alpha/alpha.c (NUM_ARGS, override_options, call_operand,
469 direct_return, function_arg, alpha_va_start, alpha_va_arg,
470 alpha_does_function_need_gp, alpha_end_function): Support Cray
472 (alpha_init_machine_status, alpha_mark_machine_status,
473 alpha_free_machine_status, unicosmk_output_deferred_case_vectors,
474 unicosmk_gen_dsib, unicosmk_output_ssib, unicosmk_need_dex,
475 unicosmk_asm_named_section, unicosmk_insert_attributes,
476 unicosmk_section_type_flags, symbolic_operand,
477 unicosmk_output_module_name, unicosmk_output_default_externs,
478 unicosmk_output_dex, unicosmk_output_externs,
479 unicosmk_output_addr_vec, unicosmk_ssib_name,
480 unicosmk_initial_elimination_offset, unicosmk_asm_file_start,
481 unicosmk_asm_file_end, unicosmk_output_common,
482 unicosmk_section_type_flags, unicosmk_unique_section,
483 unicosmk_add_call_info_word, unicosmk_text_section,
484 unicosmk_data_section, unicosmk_extern_list, unicosmk_extern_head,
485 unicosmk_add_extern, unicosmk_dex, unicosmk_dex_list,
486 unicosmk_dex_count, unicosmk_special_name): New.
487 (TARGET_INSERT_ATTRIBUTES, TARGET_SECTION_TYPE_FLAGS): Define for
489 (get_aligned_mem, alpha_expand_unaligned_load,
490 alpha_expand_unaligned_store, alpha_expand_unaligned_load_words,
491 alpha_expand_unaligned_store_words): Support big-endian mode.
492 (print_operand): Likewise. New format specifier 't'. Use
493 TARGET_AS_SLASH_BEFORE_SUFFIX.
494 (alpha_is_stack_procedure): Rename from vms_is_stack_procedure.
495 (alpha_pv_save_size): Update with above change.
496 (alpha_sa_mask, alpha_sa_size, alpha_expand_prologue,
497 alpha_start_function, alpha_expand_epilogue): Likewise. Support Cray
500 * config/alpha/alpha.h (TARGET_ABI_UNICOSMK): New.
501 (TARGET_ABI_OSF): Exclude TARGET_ABI_UNICOSMK.
502 (TARGET_AS_SLASH_BEFORE_SUFFIX): New.
503 (EXTRA_CONSTRAINT): New constraint 'U'.
504 (PREDICATE_CODES): Add symbolic_operand.
506 * config/alpha/alpha.md (UNSPEC_UMK_LAUM, UNSPEC_UMK_LALM,
507 UNSPEC_UMK_LAL, UNSPEC_UMK_LOAD_CIW): New constants.
508 (mulsi3, *mulsi_se, mulvsi3): Disable for TARGET_ABI_UNICOSMK.
509 (integer division and modulus patterns): Split in default and
511 (*divmodsi_internal, *divmoddi_internal): Disable for
513 (unaligned_extend?idi, unaligned_load?i, unaligned_store?i): Split in
514 little-endian and big-endian versions.
515 (ext, ins, msk): Likewise.
516 (extv, extzv, insv): Support big-endian mode.
517 (call, call_value, tablejump): Support TARGET_ABI_UNICOSMK.
518 (call_umk, call_value_umk, *call_umk, tablejump_umk,
519 *tablejump_umk_internal, *call_value_umk): New.
520 (*movdi_nofix): Add pattern for loading an address into a register on
522 (umk_laum, umk_lal, umk_lalm, *umk_load_ciw): New.
523 (umk_mismatch_args, arg_home_umk): New.
524 (various insns): Don't use mov, fmov, nop, fnop and unop.
525 (realign): Support TARGET_ABI_UNICOSMK.
527 * config/alpha/unicosmk.h: New file.
528 * config/alpha/t-unicosmk: New file.
530 * fixinc/inclhack.def (unicosmk_restrict): New.
531 * fixinc/fixincl.x: Regenerate.
533 * ginclude/stddef.h (size_t): Check for and define __SIZE_T__.
534 (wchar_t): Check for and define __WCHAR_T__.
536 2001-09-11 Richard Sandiford <rsandifo@redhat.com>
538 * combine.c (simplify_shift_const): Treat shifts by the mode
541 2001-09-11 Neil Booth <neil@daikokuya.demon.co.uk>
543 * cpphash.h (struct tokenrun): New.
544 (struct cpp_context): New member bol.
545 (struct cpp_reader): New members.
546 (_cpp_init_tokenrun): New.
547 * cppinit.c (cpp_create_reader): Set up the token runs.
548 * cpplex.c (lex_directive, lex_token, next_tokenrun): New.
549 (lex_token): New internalised version of _cpp_lex_token. Don't
550 handle directives or the multiple include opimisation here any
551 more. Simply lex a token.
552 * cpplib.c (run_directive): Clear bol.
553 (_cpp_pop_buffer): Set bol.
554 * cppmacro.c (funlike_invocation_p): Keep tokens whilst parsing
557 2001-09-11 Michael Meissner <meissner@redhat.com>
559 * config/mips/mips.h (CC1_SPEC): If -mgp32 default to -mfp32, and
560 give an error if the user uses -mfp32.
561 (CPP_FPR_SPEC): Define __mips_fpr to be 32 or 64 depending on the
563 (CPP_SPEC): Define __mips_fpr to be 32 or 64, depending on the
564 floating point register size.
565 (EXTRA_SPECS): Add CPP_FPR_SPEC.
567 * config/mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Use
568 HOST_WIDE_INT_PRINT_DEC to properly print the result of
570 * config/mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Ditto.
571 * config/mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Ditto.
573 2001-09-11 Hans-Peter Nilsson <hp@axis.com>
575 * dbxout.c (dbxout_parms): Fix typo in comment.
576 * unroll.c (loop_find_equiv_value): Ditto.
577 * toplev.c (rest_of_compilation): Ditto.
578 * loop.c (scan_loop): Ditto.
579 * dwarf2out.c (struct dw_fde_struct): Ditto.
581 2001-09-10 Zack Weinberg <zackw@panix.com>
583 * cpplex.c (parse_identifier): Fast-path optimize. Avoid
584 copying identifier when we're just going to throw it away.
585 (parse_identifier_slow): New routine to handle abnormal cases.
586 (_cpp_lex_token): Update call site.
588 * hashtable.c (ht_lookup): Don't assume that the string we've
589 been given is NUL-terminated.
590 * system.h: #define __builtin_expect(a, b) to (a) if not
593 2001-09-10 Michael Meissner <meissner@redhat.com>
595 * config.gcc (sparc64-*-solaris2): Add alias to be compatible with
598 2001-09-10 David Edelsohn <edelsohn@gnu.org>
600 * config/rs6000/t-aix43 (SHLIB_INSTALL): Use mode 751 (a+x,r-o).
602 Mon Sep 10 16:26:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
604 * builtins.c (c_getstr): Correct thinko in last change and further
607 2001-09-10 Tim Freeman <tim@fungibole.com>
609 * dwarf2out.c (incomplete_types, decl_scope_table): Make them
610 into varray's and register them as roots with the garbage
611 collector so they are not collected too soon.
613 Mon Sep 10 14:21:26 CEST 2001 Jan Hubicka <jh@suse.cz>
615 * Makefile.in (cfg.o, cfganal.o, cfgloop.o, cfgbuild.o, cfgcleanup.o):
617 * basic-block.h (flow_obstack, label_value_list,
618 tail_recursion_label_list): Declare
619 (tidy_fallthru_edges): Declare.
620 (expunge_block, last_loop_beg_note): Delete.
621 (can_fallthru, flow_nodes_print, flow_edge_list_print): Declare.
623 (basic_block_for_insn, label_value_list): Move from flow.c; make global.
624 (n_basic_blocks, n_edges, basic_block_info, entry_exit_blocks,
625 init_flow, clear_edges, can_delete_note_p, can_delete_label_p,
626 flow_delete_insn, flow_delete_insn_chain, create_basic_block,
627 expunge_block, flow_delete_block, compute_bb_for_insn,
628 update_bb_for_insn, set_block_for_insn, set_block_for_new_insns,
629 make_edge, remove_edge, redirect_edge_succ, redirect_edge_succ_nodup,
630 redirect_edge_pred, split_block, marge_blocks_nomove, block_label,
631 try_redirect_by_replacing_jump, last_loop_beg_note,
632 redirect_edge_and_branch, redirect_edge_and_branch_force,
633 tidy_fallthru_edge, tidy_fallthru_edges, back_edge_of_syntactic_loop_p,
634 split_edge, insert_insn_on_edge, commit_one_edge_insertion,
635 commit_edge_insertions, dump_flow_info, debug_flow_info,
636 dump_edge_info, dump_bb, debug_bb, debug_bb_n, print_rtl_with_bb,
637 verify_flow_info, purge_dead_edges, purge_all_dead_edges):
638 Move here from flow.c
639 * cfganal.c: New file.
640 (forwarder_block_p, can_fallthru, mark_critical_edges,
641 mark_dfs_back_edges, need_fake_edge_p, flow_call_edges_add,
642 find_unreachable_blocks, create_edge_list, free_edge_list,
643 print_edge_list, verify_edge_list, find_edge_index, flow_nodes_print,
644 flow_edge_list_print, remove_fake_successors, remove_fake_edges,
645 add_noreturn_fake_exit_edges, connect_infinite_loops_to_exit,
646 flow_reverse_top_sort_order_compute, flow_depth_first_order_compute,
647 flow_dfs_compute_reverse_init, flow_dfs-compute_reverse_add_bb,
648 flow_dfs-compute_reverse_execute, flow_dfs_compute_reverse_finish);
649 Move here from flow.c
650 * cfgbuild.c: New file
651 (count_basic_blocks, find_label_refs, make_label_edge, make_eh_edge,
652 make_edges, find_basic_blocks_1, find_basic_blocks,
653 find_sub_basic_blocks): Move here from flow.c
654 * cfgcleanup.c: New file.
655 (try_simplify_condjump, try_forward_edges, tail_recursion_label_p,
656 merge_blocks_move_predecessor_nojumps,
657 merge_blocks_move_successor_nojumps, merge_blocks,
658 flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
659 try_crossjump_bb, try_optimize_cfg): Move here from flow.c
660 (delete_unreachable_blocks, cleanup_cfg): Likewise; return true
662 * cfgloop.c: New file
663 (flow_loops_cfg_dump, flow_loop_nested_p, flow_loop_dump,
664 flow_loops_dump, flow_loops_free, flow_loop_entry_edges_find,
665 flow_loop_exit_edges_find, flow_loop_nodes_find,
666 flow_loop_pre_header_scan, flow_loop_pre_header_find,
667 flow_loop_tree_node_add, flow_loops_tree_build,
668 flow_loop_level_compute, flow_loops_level_compute, flow_loop_scan,
669 flow_loops_find, flow_loops_update, flow_loop_outside_edge_p):
670 Move here from flow.c
671 * flow.c: Remove everything moved elsewhere
672 * output.h (cleanup_cfg): Return bool.
674 * bb-reorder.c (reorder_block_def): Remove 'index'.
675 (insert_intra_1): Add argument BB, set block for new note.
676 (make_reorder_chain): Do not depdent on BB indexes.
677 (make_reorder_chain_1): Do not use BB indexes.
678 (label_for_bb): Likewise; set BB for new insn.
679 (emit_jump_to_block_after): Likewise.
680 (fixup_reoder_chain): Sanity check that all basic blocks
681 are chained; verify newly created insn chain; remove
682 undocnitional jump simplifying; Do not use BB indexes;
683 properly initialize count and frequency information;
684 dump reordered sequence.
685 (insert_intra_bb_scope_notes): update call of insert_intra_1.
686 (insert_inter_bb_scope_notes): Set block for new insn.
687 (reorder_basic_blocks): Dump flow info before reoredering.
689 Mon Sep 10 06:47:35 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
691 * alias.c (clear_reg_alias_info): Use K&R format definition.
692 Avoid unsigned warning.
693 * builtins.c: Use "unsigned int", not "unsigned".
694 (target_char_cast): Use host_integerp and tree_low_cst.
695 (expand_builtin_args_info, expand_builtin_frame_address): Likewise.
696 (c_strlen): Likewise; OFFSET now HOST_WIDE_INT.
697 (c_getstr): Likewise.
698 (std_expand_builtin_va_arg): Use int_size_in_bytes.
699 (builtin_memcpy_read_str): Avoid unsigned warning.
700 (expand_builtin_memcpy): Alignments are unsigned.
701 (expand_builtin_strncpy, expand_builtin_memset): Likewise.
702 (expand_builtin_expect_jump): Use integer_zerop and integer_onep.
703 * predict.c (expensive_function_p): LIMIT now unsigned.
704 * resource.c (mark_target_live_regs): Make some vars unsigned.
705 * sdbout.c: Use "unsigned int", not "unsigned".
706 (MAKE_LINE_SAFE): Add cast to avoid unsigned warning.
707 (sdbout_source_line): Likewise.
708 (sdbout_record_type_name): Remove "const" for NAME declaration.
709 * config/alpha/alpha.c (alpha_expand_block_move): Whitespace fixes.
711 2001-09-10 Richard Sandiford <rsandifo@redhat.com>
713 * calls.c (store_one_arg): Expand comment.
715 2001-09-10 Roman Lechtchinsky <rl@cs.tu-berlin.de>
717 * calls.c (store_one_arg): Make sure that the entire argument is
718 pushed if STACK_PARMS_IN_REG_PARM_AREA is defined.
720 2001-09-09 Richard Henderson <rth@redhat.com>
722 * emit-rtl.c (adjust_address): Fix mode for LO_SUM.
724 Sun Sep 9 10:43:17 CEST 2001 Jan Hubicka <jh@suse.cz>
726 * loop.c (combine_givs): Fix computing of benefit once giv is combined.
728 2001-09-09 Richard Henderson <rth@redhat.com>
730 * config/alpha/alpha.c (alpha_next_sequence_number): New.
731 (alpha_this_literal_sequence_number): New.
732 (alpha_this_gpdisp_sequence_number): New.
733 (some_operand, input_operand): Add HIGH.
734 (local_symbolic_operand): New.
735 (alpha_encode_section_info): New.
736 (alpha_legitimate_address_p): Allow LO_SUM.
737 (alpha_legitimize_address): Generate HIGH+LO_SUM.
738 (alpha_expand_mov): Likewise.
739 (secondary_reload_class): Check memory_operand not general_operand
741 (alpha_expand_unaligned_load): Force LO_SUM addresses into a register.
742 (alpha_expand_unaligned_store): Likewise.
743 (alpha_expand_unaligned_load_words): Likewise.
744 (alpha_expand_unaligned_store_words): Likewise.
745 (alpha_expand_block_clear): Likewise.
746 (print_operand): Handle %#, %*, %H.
747 (print_operand_address): Handle LO_SUM.
749 (alpha_does_function_need_gp): Use it.
750 (alpha_expand_block_move): Fix signed compare warnings.
751 (alpha_sa_mask, alpha_align_insns): Likewise.
752 * config/alpha/alpha-protos.h: Update.
753 * config/alpha/alpha.h (TARGET_EXPLICIT_RELOCS): New.
754 (MASK_EXPLICIT_RELOCS): New.
755 (TARGET_SWITCHES): Add -mexplicit-relocs.
756 (EXTRA_CONSTRAINT): Add 'T'.
757 (PREFERRED_RELOAD_CLASS): HIGH goes in GENERAL_REGS.
758 (ASM_APP_ON, ASM_APP_OFF): Turn on and off asm macro expansion.
759 (ENCODE_SECTION_INFO): Out line.
760 (REDO_SECTION_INFO_P): New.
761 (STRIP_NAME_ENCODING): New.
762 (ASM_OUTPUT_LABELREF): New.
763 (PRINT_OPERAND_PUNCT_VALID_P): Add #, *.
764 (PREDICATE_CODES): Update.
765 * config/alpha/alpha.md (divmodsi_internal_er, divmoddi_internal_er,
766 call_osf_1_er_noreturn, call_osf_1_er, movdi_er_low, movdi_er_nofix,
767 movdi_er_fix, prologue_ldgp_1_er, builtin_setjmp_receiver_sub_label_er,
768 builtin_setjmp_receiver_er, exception_receiver_1_er,
769 call_value_osf_1_er): New patterns.
770 (sibcall_osf_1, sibcall_value_osf_1): Remove register alternative.
771 (movqi, movhi, movsi): Add explicit $31 base register to lda.
772 * config/alpha/elf.h (ASM_FILE_START): Set nomacro if explicit relocs.
773 (FINAL_PRESCAN_INSN): New.
775 Sat Sep 8 22:00:55 CEST 2001 Jan Hubicka <jh@suse.cz>
777 * reg-stack.c (subst_stack_regs_pat): Fix fcmov reversal code.
779 2001-09-08 Andreas Jaeger <aj@suse.de>
781 * i386.h (TARGET_SWITCHES): Fix description.
783 2001-09-07 David Edelsohn <edelsohn@gnu.org>
785 * rs6000.c (num_insns_constant): Compute number of instructions
788 * doc/install.texi: Explain AIX exception handling work-around.
789 Update URL for AIX fixes.
791 2001-09-07 Jim Wilson <wilson@redhat.com>
793 * alias.c (clear_reg_alias_info): New.
794 * flow.c (attempt_auto_inc): Call clear_reg_alias_info.
795 * rtl.h (clear_reg_alias_info): Declare.
797 2001-09-07 Roman Lechtchinsky <rl@cs.tu-berlin.de>
799 * real.c (EMUSHORT,EMUSHORT_SIZE): Use HImode if no 16-bit type is
801 (UEMUSHORT): New. Use instead of unsigned EMUSHORT.
802 (m16m,edivm,emulm): Change declaration to match definition.
804 2001-09-07 Roman Lechtchinsky <rl@cs.tu-berlin.de>
806 * reload.c (push_reload): Check for subreg_lowpart_p instead of
807 SUBREG_BYTE being 0 when determining if the inner part of a subreg
810 2001-09-07 Roman Lechtchinsky <rl@cs.tu-berlin.de>
812 * c-common.c (signed_or_unsigned_type): Handle machine mode types
813 which have no corresponding C type.
814 * fold_const.c (target_isinf,target_isnan,target_negative): Update
815 the representation of 64-bit doubles to work with 64-bit ints.
817 2001-09-07 Aldy Hernandez <aldyh@redhat.com>
819 * config/mips/mips.c (override_options): Do not override ISA when ABI
820 specified if MIPS_CPU_STRING_DEFAULT was specified.
822 2001-09-07 Richard Henderson <rth@redhat.com>
824 * loop.c (record_giv): Avoid simplifying MULT to ASHIFT.
825 (express_from_1): Wrap lines.
826 * rtlanal.c (commutative_operand_precedence): Rename from
827 operand_preference; export.
829 * simplify-rtx.c (simplify_gen_binary): Tidy +/- const_int handling.
830 (simplify_binary_operation): Invoke simplify_plus_minus on
831 (CONST (PLUS ...)) as well.
832 (struct simplify_plus_minus_op_data): New.
833 (simplify_plus_minus_op_data_cmp): New.
834 (simplify_plus_minus): Use them. Avoid infinite recursion with
835 simplify_binary_operation wrt CONST.
837 Fri Sep 7 11:52:30 2001 Kazu Hirata <kazu@hxi.com>
839 * h8300-protos.h (general_operand_dst_push): Remove.
840 * h8300.c (general_operand_dst_push): Likewise.
841 * h8300.h (OK_FOR_T): Likewise.
842 (EXTRA_CONSTRAINTS): Do not use OK_FOR_T.
843 * h8300.md (pushqi_h8300): New.
844 (pushqi_h8300hs): Likewise.
846 (pushhi_h8300): Likewise.
847 (pushhi_h8300hs): Likewise.
850 Fri Sep 7 12:56:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
852 * genattrtab.c (attr_printf): First arg is unsigned.
853 Clean up formatting of callers.
855 2001-09-06 Aldy Hernandez <aldyh@redhat.com>
857 * config/mips/mips.c (override_options): Allow abi32 with 64 bit
860 2001-09-07 Andreas Jaeger <aj@suse.de>
862 * i386.h (TARGET_SWITCHES): Fix descriptions.
864 2001-09-07 Matt Kraai <kraai@alumni.carnegiemellon.edu>
866 * stor-layout.c (compute_record_mode): Check DECL_SIZE is set.
868 2001-09-06 Ira Ruben <ira@apple.com>
870 Remove OP_IDENTIFIER.
871 * tree.def (OP_IDENTIFIER): Remove.
872 * tree.c (tree_node_kind enum): Remove op_id_kind.
873 (tree_node_kind_names): Remove "op_identifiers".
874 (make_node): Remove OP_IDENTIFIER test.
875 (build_op_identifier): Removed because it isn't being used.
876 * print-tree.c (print_node): Remove OP_IDENTIFIER case.
877 * cp/pt.c (tsubst): Remove OP_IDENTIFIER case.
879 2001-09-06 Richard Henderson <rth@redhat.com>
881 * simplify-rtx.c (simplify_binary_operation): Revert last change.
883 2001-09-06 Richard Henderson <rth@redhat.com>
885 * simplify-rtx.c (simplify_binary_operation): Simplify contents
888 2001-09-06 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
890 * config/rs6000/rs6000.c (rs6000_emit_prologue): Fix DWARF2 register
891 number used for CR register.
893 Thu Sep 6 11:16:35 2001 Jeffrey A Law (law@cygnus.com)
894 Joern Rennecke (amylaar@cygnus.com)
896 * h8300-protos.h (h8300_return_addr_rtx): New prototype.
897 * h8300.c (initial_offset): Handle offset between RP and FP.
898 (h8300_return_addr_rtx): New function.
899 * h8300.h (FIRST_PSEUDO_REGISTER): Bump now that we have a
901 (FIXED_REGISTERS, CALL_USED_REGISTERS): Corresponding changes.
902 (REG_ALLOC_ORDER, RETURN_ADDRESS_POINTER_REGNUM): Likewise.
903 (REG_CLASS_CONTENTS, ELIMINABLE_REGS): Likewise.
904 (CAN_ELIMINATE, REGISTER_NAMES):
905 (RETURN_ADDR_RTX): Call h8300_return_addr_rtx.
907 2001-09-06 Nathan Sidwell <nathan@codesourcery.com>
909 Remove TYPE_NONCOPIED_PARTS.
910 * tree.h (TYPE_NONCOPIED_PARTS): Remove.
911 (struct tree_type): Remove noncopied_parts.
912 * c-tree.h (TYPE_ACTUAL_ARG_TYPES): Map onto TYPE_BINFO.
913 * expr.c (save_noncopied_parts, init_noncopied_parts): Remove.
914 (fixed_type_p): Remove.
915 (expand_expr, INIT_EXPR): Don't deal with noncopied parts.
916 (expand_expr, MODIFY_EXPR): Likewise.
917 * ggc-common.c (ggc_mark_trees): Remove TYPE_NONCOPIED_PARTS.
918 * doc/c-tree.texi: Remove TYPE_NONCOPIED_PARTS FIXME.
920 2001-09-06 Alan Modra <amodra@bigpond.net.au>
922 * config/rs6000/rs6000.c (mask_operand): Use signed vars to avoid
924 (mask64_operand): Likewise.
925 (includes_rldic_lshift_p): Likewise.
926 (includes_rldicr_lshift_p): Likewise.
928 2001-09-05 Ziemowit Laski <zlaski@apple.com>
930 * objc/objc-act.c (build_message_expr): If a class method cannot
931 be found, do not issue a warning if a corresponding instance
932 method exists in the root class.
934 2001-09-05 Richard Henderson <rth@redhat.com>
936 * config/alpha/alpha.c (alpha_expand_mov): Initialize temp.
938 2001-09-05 Zack Weinberg <zack@codesourcery.com>
940 * function.c (ggc_mark_struct_function): Mark f->outer.
941 * toplev.c (rest_of_compilation): Clear DECL_SAVED_INSNS here...
942 * integrate.c (output_inline_function): ... not here.
944 Wed Sep 5 17:28:49 CEST 2001 Jan Hubicka <jh@suse.cz>
946 * profile.c (branch_prob): Call add_noreturn_fake_exit_edges.
948 * i386.c (size_cost): New static variable.
949 (override_function): Use size_cost when -Os is specified.
951 * i386.c (ix86_expand_prologue): Set use_fast_prologue_epilogue
952 properly; Use current_function_calls_eh_return.
953 (ix86_expand_epilogue): Avoid dummy optimize_size tests;
954 use leave to avoid depdendancy chain.
956 * local-alloc.c (update_equiv_regs): Use CFG to iterate over INSN stream;
957 get BB loop_depth instead of computing it from LOOP notes.
959 * reg-stack.c (subst_stack_reg_pat): Handle reversal of conditional moves.
961 2001-09-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
963 * som.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
964 * pa.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
965 UNALIGNED_DOUBLE_INT_ASM_OP): Define
967 2001-09-05 Jeffrey A Law (law@cygnus.com)
968 Jason Merrill (jason@redhat.com)
970 * stor-layout.c (layout_type): Complain if an array's size can
971 not be represented in a size_t.
973 * config/h8300/elf.h (ENDFILE_SPEC, STARTFILE_SPEC): Define.
975 2001-09-05 David Billinghurst <David.Billinghurst@riotinto.com>
977 * gcc.c: (process_command) Add parentheses around assignment
980 2001-09-05 Richard Sandiford <rsandifo@redhat.com>
982 * config/mips/mips.c (save_restore_insns): Don't mark any register
983 save slots as unchanging if current_function_calls_eh_return.
985 2001-09-05 Richard Henderson <rth@redhat.com>
987 * config/alpha/alpha.c (alpha_legitimate_address_p): New.
988 * config/alpha/alpha-protos.h: Declare it.
989 * config/alpha/alpha.h (GO_IF_LEGITIMATE_ADDRESS): Move to c file.
990 (NONSTRICT_REG_OK_FOR_BASE_P): Rename from non-strict macro.
991 (NONSTRICT_REG_OK_FP_BASE_P): Likewise.
992 (STRICT_REG_OK_FOR_BASE_P): Rename from strict macro.
993 (REG_OK_FOR_BASE_P): Select one of the above.
995 2001-09-05 Richard Sandiford <rsandifo@redhat.com>
997 * config/mips/t-elf (EXTRA_PARTS): Use EXTRA_MULTILIB_PARTS instead.
998 (crti.o): Prefix name of object file with $(T).
1001 2001-09-05 David S. Miller <davem@redhat.com>
1003 * config/sparc/linux.h: Set CPLUSPLUS_CPP_SPEC.
1004 * config/sparc/linux64.h: Likewise.
1006 2001-09-05 Andreas Jaeger <aj@suse.de>
1008 * doc/invoke.texi (i386 Options): -mwide-multiply is not
1009 available anymore, remove the documentation.
1010 (i386 Options): Fix typo, cleanup index entries.
1012 * prefix.c (concat): Remove, we can use the version from liberty.
1014 2001-09-05 Richard Henderson <rth@redhat.com>
1016 * config/alpha/alpha.c (alpha_expand_mov, alpha_expand_mov_nobwx):
1017 New functions split out of md file expanders.
1018 * config/alpha/alpha-protos.h: Declare them.
1019 * config/alpha/alpha.md (movqi, movhi, movsi, movdi): Use them.
1021 2001-09-05 Neil Booth <neil@daikokuya.demon.co.uk>
1023 * cppmacro.c (funlike_invocation_p): No need to restore context.
1025 2001-09-04 Richard Henderson <rth@redhat.com>
1027 * reload.c (push_reload): Export.
1028 * reload.h (push_reload): Declare it.
1030 * config/alpha/alpha.h (LEGITIMIZE_ADDRESS): Move out o' line.
1031 (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
1032 * config/alpha/alpha.c (alpha_legitimize_address): New.
1033 (alpha_legitimize_reload_address): Likewise.
1034 * config/alpha/alpha-protos.h: Declare them.
1036 2001-09-04 Stan Shebs <shebs@apple.com>
1038 * config/darwin.h (ASM_DECLARE_FUNCTION_NAME): Define.
1039 * config/darwin.c (machopic_stub_name): Account for internally
1040 generated lib calls such as memcpy.
1042 2001-09-04 Richard Henderson <rth@redhat.com>
1044 * unwind.h (_UA_END_OF_STACK): New flag.
1045 * unwind.inc (_Unwind_ForcedUnwind_Phase2): Set it.
1047 Tue Sep 4 11:16:35 2001 Jeffrey A Law (law@cygnus.com)
1049 * h8300/elf.h (LINK_SPEC): Redefine appropriately for the H8.
1051 2001-09-04 Richard Sandiford <rsandifo@redhat.com>
1053 * config/mips/mips.c (save_restore_insns): Change base_offset to
1054 fp_offset in second call to mips_emit_frame_related_store.
1056 2001-09-04 Hans-Peter Nilsson <hp@axis.com>
1058 * doc/rtl.texi: Mention that besides as a CODE_LABEL, a label can
1059 sometimes be represented as a NOTE of type
1060 NOTE_INSN_DELETED_LABEL.
1061 (Insns): Document NOTE_INSN_DELETED_LABEL.
1063 2001-09-04 Nathan Sidwell <nathan@codesourcery.com>
1065 * c-common.h (tree_dump_index): Add more comments.
1066 * c-dump.c (dump_files): Name flags `tree' rather than `ast'.
1067 (dump_option_value_info): New struct.
1068 (dump_options): New array.
1069 (dump_switch_p): Parse switch options symbolically.
1070 * doc/invoke.texi (-fdump-ast): Rename to ...
1071 (-fdump-tree): ... here. Document that options are symbolic, and
1072 not all are applicable.
1074 2001-09-04 David S. Miller <davem@redhat.com>
1076 * config/sparc/sparc.md (define_splits): Kill constraints.
1078 Cleanup redundant and unused insn attributes.
1079 * config/sparc/sparc.md (define_attr "insn"): Kill address, unary,
1080 binary, and move. Mark ialu as default.
1081 (commented out define_function_unit "alu"): Kill.
1082 (define_attr "use_clobbered"): Kill.
1083 (whole file): Kill address insn type references. Replace
1084 all unary/binary/move references with ialu.
1085 * config/sparc/sparc.c (whole file): Kill TYPE_ADDRESS
1086 references. Replace TYPE_{UNARY,BINARY,MOVE} references with
1089 Simplify length insn attribute and make more judicious use
1090 of insn attribute defaulting.
1091 * config/sparc/sparc.md (all insns with length > one): Mark as
1092 insn type multi if real instructions, else use default if
1093 it is a forced splitter.
1094 (all insns with length == one): Use default insn length.
1095 (all insns of type ialu): Use default insn type.
1097 Fix erroneous insn attribute settings.
1098 (addx): Set insn type to misc.
1099 (mulsidi3_sp64, const_mulsidi3_sp64, umulsidi3_sp64,
1100 const_umulsidi3_sp64): Set insn type to imul.
1102 Track SFmode vs DFmode insns according to UltraSPARC
1104 * config/sparc/sparc.md ("fptype"): New attribute, default
1106 (all DFmode single insns): Mark as fptype "double".
1108 2001-09-03 Jakub Jelinek <jakub@redhat.com>
1110 * loop.c (express_from_1): Fix CONSTANT_P(a) case.
1112 2001-09-03 Richard Henderson <rth@redhat.com>
1114 * function.h (struct function): Add arg_pointer_save_area_init.
1115 * function.c (expand_function_end): Init arg_pointer_save_area.
1116 (get_arg_pointer_save_area): Do not init arg_pointer_save_area
1117 when called from a nested function.
1119 2001-09-02 Angela Marie Thomas <angela@cygnus.com>
1121 * fixinc/Makefile.in: Regenerate fixincl.x only if maintainer-mode
1124 Sun Sep 2 18:37:54 CEST 2001 Jan Hubicka <jh@suse.cz>
1126 * reload1.c (fixup_abnormal_edges): Allow NOTEs in the sequence.
1128 2001-09-01 Geoffrey Keating <geoffk@redhat.com>
1130 * expr.c (push_block): Make sane use of STACK_GROWS_DOWNWARD.
1131 (emit_push_insn): Use specified padding direction when
1132 STACK_PUSH_CODE is POST_INC.
1134 * config/stormy16/stormy16.h (DWARF2_UNWIND_INFO): Define to 0.
1136 2001-09-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1138 * mips.h (INITIAL_ELIMINATION_OFFSET): Add missing `else abort'.
1140 2001-09-01 Neil Booth <neil@daikokuya.demon.co.uk>
1142 * cppinit.c (cpp_start_read): Free the imacros list as we
1143 traverse it. Don't free the chains before returning.
1144 (_cpp_push_next_buffer): Only try pushing buffers if we've
1145 completed -imacros handling.
1147 2001-08-31 Eric Christopher <echristo@redhat.com>
1149 * gcc.c (handle_braces): Add explaination for abort.
1151 2001-08-30 Roman Zippel <zippel@linux-m68k.org>
1153 * expmed.c (store_bit_field): Update to patch from 2001-08-27:
1154 move adjustment of bitpos instead.
1156 2001-08-31 Zack Weinberg <zack@codesourcery.com>
1158 * function.c: Remove all_functions. Make outer_function_chain
1160 (init_function_start): Don't add new function structure to
1162 (find_function_data, push_function_context_to,
1163 pop_function_context_from, put_var_into_stack,
1164 trampoline_address): Update for changed structure element names.
1165 (push_function_context_to): Disentangle.
1166 (free_after_compilation): Also free F.
1167 (expand_dummy_function_end): Don't free cfun here.
1168 (put_var_into_stack): Comment why we can't use find_function_data here.
1169 (fix_lexical_addr, trampoline_address, ): Use find_function_data.
1170 (mark_function_chain): Split into maybe_mark_struct_function and
1171 ggc_mark_struct_function. Export the latter.
1172 (init_function_once): Mark from cfun and outer_function_chain;
1175 * function.h (struct function): Kill next_global. Rename next
1176 to outer. All users updated to match.
1177 (all_functions, outer_function_chain): Don't declare.
1179 * ggc-common.c (ggc_mark_trees): Mark DECL_SAVED_INSNS.
1180 * integrate.c (output_inline_function): Clear DECL_SAVED_INSNS,
1181 don't touch f->inlinable, after calling rest_of_compilation.
1183 * tree.h: Forward-declare struct function. Prototype
1184 ggc_mark_struct_function.
1186 2001-08-31 Kazu Hirata <kazu@hxi.com>
1188 * config/h8300/h8300.md (*andorhi3): Fix typos.
1190 2001-08-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1192 * calls.c (emit_library_call_value): Don't use a fixed
1193 argument after VA_CLOSE, i.e. out of scope in traditional C.
1195 * emit-rtl.c (gen_rtvec): Likewise.
1197 2001-08-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1199 * Makefile.in (c-pragma.o): Depend on output.h.
1200 (reorg.o): Depend on except.h.
1202 * c-pragma.c: Include output.h.
1204 * reorg.c: Include except.h.
1206 * unwind-dw2.c: Call __builtin_alloca, not alloca.
1208 2001-08-31 Richard Henderson <rth@redhat.com>
1210 * sched-deps.c (add_dependence): Don't elide dependancy if the
1211 conditional used by insn is modified in elem.
1213 2001-08-31 Nick Clifton <nickc@cambridge.redhat.com>
1215 * config/v850/v850.h (OUTPUT_ADDR_CONST_EXTRA): Define.
1217 2001-08-31 Diego Novillo <dnovillo@redhat.com>
1219 * c-decl.c (c_decode_option): Skip '-f' prefix before calling
1222 2001-08-31 Geoffrey Keating <geoffk@redhat.com>
1224 * config/stormy16/stormy16.c (stormy16_asm_out_destructor): New
1226 (stormy16_asm_out_constructor): New function.
1227 (TARGET_ASM_CONSTRUCTOR): Define.
1228 (TARGET_ASM_DESTRUCTOR): Define.
1230 2001-08-31 Andreas Jaeger <aj@suse.de>
1232 * gcse.c (add_label_notes): REG_LABEL is an INSN_LIST.
1233 * loop.c (add_label_notes): Likewise.
1234 * reload.c (find_reloads): Likewise.
1235 * config/sh/sh.c (machine_dependent_reorg): Likewise.
1237 2001-08-31 Jason Merrill <jason_merrill@redhat.com>
1239 * unwind-pe.h (read_uleb128, read_sleb128): Move actual reading
1240 code here. Take _Unwind_{W,Sw}ord*.
1241 (read_encoded_value_with_base): Use them.
1242 * unwind-dw2.c (_Unwind_FrameState): Make cfa_offset and cfa_reg
1244 (extract_cie_info): Simplify read_?leb128 handling.
1245 (execute_stack_op, execute_cfa_program): Likewise.
1246 * unwind-dw2-fde.c (get_cie_encoding): Likewise.
1248 2001-08-31 Geoffrey Keating <geoffk@redhat.com>
1250 * config/stormy16/stormy16.c (stormy16_expand_epilogue): Use
1251 the frame pointer to pop the stack if convenient.
1253 * config/stormy16/stormy16.c (stormy16_initialize_trampoline):
1254 Don't use post-increment before combine.
1255 * config/stormy16/stormy16.h (STATIC_CHAIN_REGNUM): Don't use
1256 a call-saved register.
1258 2001-08-31 Andreas Jaeger <aj@suse.de>
1260 * jump.c (mark_jump_label): Revert patch from 2001-08-28, the
1263 2001-08-30 Geoffrey Keating <geoffk@redhat.com>
1265 * config/stormy16/stormy16.md (udivmodhi4): Express using UDIV/UMOD,
1266 not DIV/MOD, of course.
1268 2001-08-30 Vladimir Makarov <vmakarov@redhat.com>
1270 * rtl.def: Undo my patch commited 2001-08-27.
1272 * genattrtab.c: Ditto.
1276 * sched-int.h: Ditto.
1278 * target-def.h: Ditto.
1282 * haifa-sched.c: Ditto.
1284 * sched-rgn.c: Ditto.
1286 * sched-vis.c: Ditto.
1288 * Makefile.in: Ditto.
1290 * doc/md.texi: Ditto.
1292 * doc/tm.texi: Ditto.
1294 * doc/contrib.texi: Ditto.
1296 * doc/gcc.texi: Ditto.
1298 * genattrtab.h: Remove it.
1300 * genautomata.c: Remove it.
1302 * genattr.c: Undo my patch and Richard Henderson's patch commited
1305 Thu Aug 30 19:22:15 2001 J"orn Rennecke <amylaar@redhat.com>
1307 * config.gcc (h8300-*-elf*): New case.
1308 * h8300.h (CPP_SPEC): Add subtarget_cpp_spec.
1309 (SUBTARGET_CPP_SPEC): Define.
1310 (EXTRA_SPECS): Define.
1311 (SUBTARGET_EXTRA_SPECS): Define.
1312 * config/h8300/crti.asm, config/h8300/crtn.asm: New files.
1313 * config/h8300/elf.h, config/h8300/t-elf: Likewise.
1315 Thu Aug 30 18:50:37 2001 J"orn Rennecke <amylaar@redhat.com>
1317 * t-h8300 (LIB1ASMFUNCS): Add _fixunssfdi and _fixunssfsi_asm.
1318 (LIB2FUNCS_EXTRA): Define.
1319 config/h8300/lib1funcs.asm: New part: L_fixunssfsi_asm .
1320 config/h8300/fixunssfsi.c: New file.
1322 2001-08-30 Kazu Hirata <kazu@hxi.com>
1324 * config/h8300/h8300.md (zero_extendqihi2): Changes to
1325 define_expand to accomodate target-specific attributes.
1326 (anonymous zero_extendqihi2 patterns): New.
1328 Thu Aug 30 18:10:56 2001 J"orn Rennecke <amylaar@redhat.com>
1330 * h8300.md (*andorhi3): New pattern.
1332 Thu Aug 30 16:00:31 2001 J"orn Rennecke <amylaar@redhat.com>
1334 * h8300.c (dosize): Fix test for "sub".
1336 Thu Aug 30 10:21:43 2001 J"orn Rennecke <amylaar@redhat.com>
1338 * c-typeck.c (pointer_diff): Try to eliminate common term before
1341 2001-08-30 Nick Clifton <nickc@cambridge.redhat.com>
1343 * config/arm/arm.c (arm_compute_initial_elimination_offset):
1344 Account for the saves of the FP registers.
1346 * config/arm/unknown-elf.h (TEXT_SECTION): Delete.
1347 (TEXT_SECTION_ASM_OP): Define.
1348 (INIT_SECTION_ASM_OP): Define.
1349 (FINI_SECTION_ASM_OP): Define.
1350 (SUBTARGET_EXTRA_SECTIONS): Remove trailing comma.
1351 (RDATA_SECTION_FUNCITON): Provide prototype.
1353 2001-08-29 Geoffrey Keating <geoffk@redhat.com>
1355 * reload1.c (move2add_note_store): Correct typo checking for
1358 2001-08-29 Andrew MacLeod <amacleod@redhat.com>
1360 * gcse.c (compute_hash_table): The SRC part of an insn with a RETVAL
1361 note should not be considered outside the libcall block.
1363 2001-08-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1365 * genattrtab.c (attr_printf): Use VA_OPEN/VA_FIXEDARG/VA_CLOSE.
1367 2001-08-29 Kazu Hirata <kazu@hxi.com>
1369 * config/h8300/h8300.md (movsi_h8300hs): Make it 64-bit safe.
1371 2001-08-29 Kazu Hirata <kazu@hxi.com>
1373 * config/h8300/h8300-protos.h: Add a prototype for
1375 * config/h8300/h8300.c (emit_logical_op): New.
1376 * config/h8300/h8300.md (andhi3): Use emit_logical_op.
1383 2001-08-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
1385 * pa.c (move_operand): Cast GET_MODE_SIZE results to HOST_WIDE_INT for
1386 comparison with rtx INTVAL.
1387 (pa_output_function_prologue): Don't mix signed and unsigned in `?'
1389 * pa.h (FUNCTION_ARG_SIZE): Likewise.
1391 2001-08-29 Kazu Hirata <kazu@hxi.com>
1393 * config/h8300/lib1funcs.asm: Update the copyright. Fix
1396 2001-08-29 Kazu Hirata <kazu@hxi.com>
1398 * config/h8300/h8300.md (anonymous movhi pattern): Don't move
1399 (reg n) to (mem (pre_dec (reg n))
1400 (anonymous movsi pattern): Likewise.
1402 2001-08-29 Kazu Hirata <kazu@hxi.com>
1404 * config/h8300/h8300.h (RETURN_ADDR_RTX): New.
1406 2001-08-29 Kazu Hirata <kazu@hxi.com>
1408 * config/h8300/h8300.md (movsi_h8300hs): Optimize loading of
1409 several special constants.
1411 2001-08-29 Kazu Hirata <kazu@hxi.com>
1413 * config/h8300/lib1funcs.asm: Fix comment typos.
1415 2001-08-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1417 * iris6.h (ASM_DECLARE_OBJECT_NAME, ASM_FINISH_DECLARE_OBJECT):
1418 Fix format specifier warnings.
1420 * irix6-libc-compat.c (inet_ntoa, inet_lnaof, inet_netof,
1421 inet_makeaddr, semctl): Prototype.
1423 * mips.c (compute_frame_size): Fix signed/unsigned warnings.
1424 (save_restore_insns): Use base_offset, not gp_offset.
1426 * mips.h (GP_REG_OR_PSEUDO_STRICT_P): Fix signed/unsigned warning.
1427 (ASM_OUTPUT_BYTE): Fix format specifier warning.
1429 2001-08-29 Richard Henderson <rth@redhat.com>
1431 * bb-reorder.c (function_tail_eff_head): New.
1432 (record_effective_endpoints): Set it.
1433 (fixup_reorder_chain): Use it.
1435 2001-08-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1437 * dwarf2asm.c (dw2_asm_output_nstring): Fix typo in previous change.
1439 2001-08-28 Dale Johannesen <dalej@apple.com>
1441 * config/darwin.c (machopic_function_base_name): Add const
1442 qualifier to a string.
1443 (darwin_encode_section_info): Ditto.
1445 2001-08-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1447 * tree.c (default_valid_attribute_p): Don't use PARAMS on a
1448 function definition.
1450 2001-08-28 Daniel Berlin <dan@cgsoftware.com>
1452 * df.h (struct df): Add rts_order variable.
1454 * df.c (df_visit_next_rts): New function.
1455 (df_visit_next): Renamed to df_visit_next_rc
1456 (df_analyse_1): Allocate/compute/free rts_order as well.
1457 (df_rd_global_compute): Use df_visit_next_rc instead of
1459 (df_ru_global_compute): Use df_visit_next_rts instead of
1462 * flow.c (flow_reverse_top_sort_order_compute): New function.
1464 * basic-block.h: Add prototype.
1466 2001-08-28 Daniel Berlin <dan@cgsoftware.com>
1468 * ssa-ccp.c (ssa_ccp_df_delete_unreachable_insns): For unreachable
1469 blocks, the BB_REACHABLE is now set, rather than aux being
1470 non-NULL. Update the test to reflect this.
1472 2001-08-28 Eric Christopher <echristo@redhat.com>
1474 * config/mips/crtn.asm: Add comment explaining 16 byte alignment.
1475 config/mips/crti.asm: Ditto.
1477 2001-08-28 Eric Christopher <echristo@redhat.com>
1478 Richard Henderson <rth@redhat.com>
1480 * c-pragma.h (add_weak): Move prototype from here...
1481 * output.h (add_weak): ... to here.
1482 * varasm.c (add_weak): Fix typo.
1483 * config/mips/crti.asm: New file.
1484 * config/mips/crtn.asm: Ditto.
1485 * config/mips/elf.h (SBSS_SECTION_ASM_OP) Add #undef.
1486 (CTOR_LISTS_DEFINED_EXTERNALLY): Remove.
1487 (INVOKE__main): Ditto.
1488 (INIT_SECTION_ASM_OP): New.
1489 (FINI_SECTION_ASM_OP): Ditto.
1490 (STARTFILE_SPEC): Add crti.
1491 (ENDFILE_SPEC): Add crtn.
1492 * config/mips/elf64.h: Same.
1493 * config/mips/rtems64.h (INVOKE__main, NAME__MAIN, SYMBOL__MAIN):
1495 * config/mips/vxworks.h: Ditto.
1496 * config/mips/t-elf: Support crti and crtn.
1498 2001-08-28 Alexandre Oliva <aoliva@redhat.com>
1500 * jump.c (mark_jump_label): Fix typo: REG_LABEL is EXPR_LIST, not
1503 2001-08-28 Richard Henderson <rth@redhat.com>
1505 * config/ia64/ia64.md (andcmbi3, iorcmbi3): Fix typos.
1506 (one_cmplbi2 splitter): Remove redundant test.
1508 2001-08-28 Dale Johannesen <dalej@apple.com>
1510 * config/rs6000/darwin.h (DEFAULT_SIGNED_CHAR): Define.
1512 2001-08-28 Danny Smith <dannysmith@users.sourceforge.net>
1514 * config/i386/cygwin.h (BIGGEST_FIELD_ALIGNMENT): Set to 64.
1516 2001-08-28 Stan Shebs <shebs@apple.com>
1518 * config/darwin.h (ASM_OUTPUT_LABELREF): Handle '*' names.
1519 (UNALIGNED_SHORT_ASM_OP): Define.
1520 (UNALIGNED_INT_ASM_OP): Define.
1522 2001-08-28 Will Cohen <wcohen@redhat.com>
1524 * config/rs6000/rs6000.md (store_multiple): Correct RTL
1525 generation for first set.
1527 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
1529 * flow.c (redirect_edge_succ_nodup): Return new edge.
1530 (try_simplify_condjump): Use new edge.
1531 * basic-block.h (redirect_edge_succ_nodup): Update prototype.
1533 * cse.c (cse_basic_block): Skip note instructions.
1535 2001-08-27 Richard Henderson <rth@redhat.com>
1537 * combine.c (combine_simplify_rtx): Don't reverse condition
1538 if there is no reverse for the condition.
1539 (simplify_comparison): Don't simplify subregs from INT to FP.
1541 * config/m68k/m68k.md (sordered, sordered_1, sunordered, sunordered_1,
1542 suneq, suneq_1, sunge, sunge_1, sungt, sungt_1, sunle, sunle_1,
1543 sunlt, sunlt_1, sltgt, sltgt_1, fsogt_1, fsoge_1, fsolt_1, fsole_1,
1544 bordered, bunordered, buneq, bunge, bungt, bunle, bunlt, bltgt,
1545 bordered_rev, bunordered_rev, buneq_rev, bunge_rev, bungt_rev,
1546 bunle_rev, bunlt_rev, bltgt_rev): New patterns.
1548 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
1550 * config/m68k/m68k.md (subreghi1ashrdi_const32, bsetmemqi,
1551 bsetmemqi+1, strict_low_part peephole): Fix SUBREG_BYTE offset.
1553 (adddi_dilshr32, adddi_dishl32): Only data register can be
1554 source for mem destination.
1556 * expmed.c (store_bit_field): Ignore adjustment to bitpos
1557 and use bitnum to decide about register move.
1559 2001-08-27 Richard Henderson <rth@redhat.com>
1561 * genattr.c (main): Emit state_t even when not doing scheduling.
1563 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
1564 Richard Henderson <rth@redhat.com>
1566 * gcse.c (reg_first_set, reg_last_set): Replace with ...
1567 (reg_avail_info, current_bb): ... these.
1568 (oprs_unchanged_p, record_last_reg_set_info): Use them.
1569 (compute_hash_table): Likewise.
1571 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
1573 * flow.c (verify_flow_info): Use checksums to verify edges.
1575 2001-08-27 Richard Henderson <rth@redhat.com>
1577 * genautomata.c (expand_automata): Always create a description.
1579 2001-08-27 Geoffrey Keating <geoffk@redhat.com>
1581 * optabs.c (expand_binop): Correctly handle the carry in multiword
1582 add/subtract operations.
1584 2001-08-27 Fred Fish <fnf@be.com>
1586 * ginclude/stddef.h: Fix typo, __SIZE__TYPE__ should be
1589 2001-08-27 Geoffrey Keating <geoffk@redhat.com>
1591 * reload.c (find_reloads_toplev): Back out this change:
1593 Wed Jul 26 19:44:05 2000 Hans-Peter Nilsson <hp@axis.com>
1595 * reload.c (find_reloads_toplev): Reload a paradoxical subreg of a
1596 mem if the address is a mode_dependent_address_p.
1598 2001-08-27 Vladimir Makarov <vmakarov@touchme.toronto.redhat.com>
1600 * rtl.def (DEFINE_CPU_UNIT, DEFINE_QUERY_CPU_UNIT, EXCLUSION_SET,
1601 PRESENCE_SET, ABSENCE_SET, DEFINE_BYPASS, DEFINE_AUTOMATON,
1602 AUTOMATA_OPTION, DEFINE_RESERVATION, DEFINE_INSN_RESERVATION): New
1605 * genattr.c (main): New variable num_insn_reservations. Increase
1606 it if there is DEFINE_INSN_RESERVATION. Output automaton based
1607 pipeline hazard recognizer interface.
1609 * genattrtab.h: New file.
1611 * genattrtab.c: Include genattrtab.h.
1612 (attr_printf, check_attr_test, make_internal_attr,
1613 make_numeric_value): Move protypes into genattrtab.h. Define them
1615 (num_dfa_decls): New global variable.
1616 (main): Process DEFINE_CPU_UNIT, DEFINE_QUERY_CPU_UNIT,
1617 DEFINE_BYPASS, EXCLUSION_SET, PRESENCE_SET, ABSENCE_SET,
1618 DEFINE_AUTOMATON, AUTOMATA_OPTION, DEFINE_RESERVATION,
1619 DEFINE_INSN_RESERVATION. Call expand_automata and write_automata.
1621 * genautomata.c: New file.
1623 * rtl.h (LINK_COST_ZERO, LINK_COST_FREE): Remove them.
1625 * sched-int.h: (curr_state): Add the external definition for
1626 automaton pipeline interface.
1627 (haifa_insn_data): Add comments for members blockage and units.
1629 * target-def.h (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE,
1630 TARGET_SCHED_INIT_DFA_PRE_CYCLE_INSN,
1631 TARGET_SCHED_DFA_PRE_CYCLE_INSN,
1632 TARGET_SCHED_INIT_DFA_POST_CYCLE_INSN,
1633 TARGET_SCHED_DFA_POST_CYCLE_INSN,
1634 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD,
1635 TARGET_SCHED_INIT_DFA_BUBBLES, TARGET_SCHED_DFA_BUBBLE): New
1637 (TARGET_SCHED): Use the new macros.
1639 * target.h (use_dfa_pipeline_interface, init_dfa_pre_cycle_insn,
1640 dfa_pre_cycle_insn, init_dfa_post_cycle_insn, dfa_post_cycle_insn,
1641 first_cycle_multipass_dfa_lookahead, init_dfa_bubbles,
1642 dfa_bubble): New members in gcc_target.sched.
1644 * haifa-sched.c (insert_schedule_bubbles_p): New variable.
1645 (MAX_INSN_QUEUE_INDEX): New macro for automaton interface.
1646 (insn_queue): Redefine it as pointer to array.
1647 (NEXT_Q, NEXT_Q_AFTER): Use MAX_INSN_QUEUE_INDEX instead of
1649 (max_insn_queue_index_macro_value): New variable.
1650 (curr_state, dfa_state_size, ready_try): New varaibles for
1651 automaton interface.
1652 (ready_element, ready_remove, max_issue): New function prototypes
1653 for automaton interface.
1654 (choose_ready): New function prototype.
1655 (insn_unit, blockage_range): Add comments.
1656 (unit_last_insn, unit_tick, unit_n_insns): Define them for case
1657 FUNCTION_UNITS_SIZE == 0.
1658 (insn_issue_delay, actual_hazard_this_instance, schedule_unit,
1659 actual_hazard, potential_hazard): Add comments.
1660 (insn_cost): Use cost -1 as undefined value. Remove
1661 LINK_COST_ZERO and LINK_COST_FREE. Add new code for automaton
1663 (ready_element, ready_remove): New functions for automaton
1665 (schedule_insn): Add new code for automaton pipeline interface.
1666 (queue_to_ready): Add new code for automaton pipeline interface.
1667 Use MAX_INSN_QUEUE_INDEX instead of INSN_QUEUE_SIZE.
1668 (debug_ready_list): Print newline when the queue is empty.
1669 (max_issue): New function for automaton pipeline interface.
1670 (choose_ready): New function.
1671 (schedule_block): Add new code for automaton pipeline interface.
1672 Print ready list before scheduling each insn.
1673 (sched_init): Add new code for automaton pipeline interface.
1674 Initiate insn cost by -1.
1675 (sched_finish): Free the current automaton state and finalize
1676 automaton pipeline interface.
1678 * sched-rgn.c: Include target.h.
1679 (init_ready_list, new_ready, debug_dependencies): Add new code for
1680 automaton pipeline interface.
1682 * sched-vis.c: Include target.h.
1683 (get_visual_tbl_length): Add code for automaton interface.
1684 (target_units, print_block_visualization): Add comments.
1686 * Makefile.in (GETRUNTIME, HASHTAB, HOST_GETRUNTIME, HOST_HASHTAB,
1687 USE_HOST_GETRUNTIME, USE_HOST_HASHTAB, HOST_VARRAY): New variables.
1688 (sched-rgn.o, sched-vis.o): Add new dependency file target.h.
1689 (getruntime.o, genautomata.o): New entries.
1690 (genattrtab.o): Add new dependency file genattrtab.h.
1691 (genattrtab): Add new dependencies. Link it with `libm.a'.
1692 (getruntime.o, hashtab.o): New entries for canadian cross.
1694 * doc/md.texi: Description of automaton based model.
1696 * doc/tm.texi (TARGET_SCHED_ISSUE_RATE, TARGET_SCHED_ADJUST_COST):
1698 (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE,
1699 TARGET_SCHED_DFA_PRE_CYCLE_INSN,
1700 TARGET_SCHED_INIT_DFA_PRE_CYCLE_INSN,
1701 TARGET_SCHED_DFA_POST_CYCLE_INSN,
1702 TARGET_SCHED_INIT_DFA_POST_CYCLE_INSN,
1703 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD,
1704 TARGET_SCHED_INIT_DFA_BUBBLES, TARGET_SCHED_DFA_BUBBLE): The new
1706 (TRADITIONAL_PIPELINE_INTERFACE, DFA_PIPELINE_INTERFACE,
1707 MAX_DFA_ISSUE_RATE): New macro descriptions.
1709 * doc/contrib.texi: Add dfa based scheduler contribution.
1711 * doc/gcc.texi: Add more information about genattrtab.
1713 2001-08-27 Diego Novillo <dnovillo@redhat.com>
1715 * flow.c (flow_loop_dump): Do not display insn UIDs if this is not
1718 2001-08-27 Richard Henderson <rth@redhat.com>
1720 * function.c (expand_function_end): Don't init arg_pointer_save_area.
1721 (get_arg_pointer_save_area): New. Create an init it here.
1722 (fix_lexical_addr): Use it.
1723 * function.h: Declare it.
1724 * builtins.c (expand_builtin_setjmp_receiver): Use it.
1725 * stmt.c (expand_nl_goto_receiver): Use it.
1727 2001-08-27 Richard Henderson <rth@redhat.com>
1729 * final.c (final_scan_insn): Don't enter APP_ON mode for
1732 * dwarf2asm.c (dw2_asm_output_encoded_addr_rtx): Use proper
1733 alignment for assemble_integer for DW_EH_PE_aligned.
1734 * except.c (output_function_exception_table): Likewise.
1736 2001-08-26 Andreas Jaeger <aj@suse.de>
1738 * c-tree.h: Add prototyp for c_sizeof_nowarn.
1740 2001-08-25 Dan Nicolaescu <dann@ics.uci.edu>
1742 * ssa-ccp.c (ssa_const_prop): Free ssa_edges.
1744 2001-08-27 Alan Modra <amodra@bigpond.net.au>
1746 * config/rs6000/rs6000.c (mask_operand): Rewrite without
1748 (mask64_operand): Likewise.
1749 (rldic_operand): Delete.
1750 (includes_lshift64_p): Delete.
1751 (includes_rldic_lshift_p): New function.
1752 (includes_rldicr_lshift_p): New function.
1753 (print_operand): Don't call rldic_operand in case 'W'.
1754 * config/rs6000/rs6000-protos.h (rldic_operand): Remove.
1755 (includes_lshift64_p): Remove.
1756 (includes_rldic_lshift_p): Declare.
1757 (includes_rldicr_lshift_p): Declare.
1758 * config/rs6000/rs6000.h (PREDICATE_CODES): Remove rldic_operand.
1759 * config/rs6000/rs6000.md <ashldi3_internal 64 bit patterns>:
1760 Replace match_operand rldic_operand predicate with
1761 const_int_operand. Replace includes_lshift64_p condition with
1762 includes_rldic_lshift_p.
1763 <ashldi3_internal 64 bit rldicr patterns>: New.
1765 2001-08-27 Andreas Jaeger <aj@suse.de>
1767 * emit-rtl.c: Use VA_OPEN/VA_CLOSE/VA_FIXEDARG throughout.
1768 * errors.c: Likewise.
1769 * final.c: Likewise.
1770 * dwarf2asm.c: Likewise.
1771 * doprint.c (checkit): Likewise.
1772 * diagnostic.c: Likewise.
1773 * collect2.c: Likewise.
1774 * calls.c: Likewise.
1775 * c-semantics.c (build_stmt): Likewise.
1776 * c-format.c (status_warning): Likewise.
1777 * c-errors.c (pedwarn_c99): Likewise.
1778 * builtins.c (validate_arglist): Likewise.
1779 * config/pj/pj.c (pj_printf): Likewise.
1780 * fix-header.c: Likewise.
1782 * gcov.c (fnotice): Likewise.
1783 * gensupport.c (message_with_line): Likewise.
1784 * mips-tfile.c: Likewise.
1785 * protoize.c (notice): Likewise.
1786 * read-rtl.c (fatal_with_file_and_line): Likewise.
1787 * rtl-error.c: Likewise.
1788 * tradcpp.c: Likewise.
1790 * cp/tree.c (build_min_nt): Likewise.
1791 (build_min): Likewise.
1792 * cp/lex.c: Likewise.
1793 * cp/errfn.c: Likewise.
1794 * cp/rtti.c (create_pseudo_type_info): Likewise.
1796 Sun Aug 26 20:25:44 2001 Denis Chertykov <denisc@overta.ru>
1798 * df.c (df_uses_record): Return after recording all uses
1801 2001-08-26 Daniel Berlin <dan@cgsoftware.com>
1803 * df.c (df_insn_modify): Realloc the INSN table here, if
1804 necessary, here, too.
1806 2001-08-26 Aldy Hernandez <aldyh@redhat.com>
1808 * config/mips/mips.c (mips_function_value): Handle complex return
1811 2001-08-25 Hans-Peter Nilsson <hp@bitrange.com>
1813 * reload1.c (reload): Make all entries in reg_equiv_memory_loc
1815 * reload.c (make_memloc): Copy result if it is still
1816 reg_equiv_memory_loc[regno] on return.
1817 (subst_reloads) [ENABLE_CHECKING]: Check that none of
1818 reg_equiv_constant, reg_equiv_memory_loc, reg_equiv_address and
1819 reg_equiv_mem are modified by the substitutions.
1821 Sat Aug 25 23:07:35 CEST 2001 Jan Hubicka <jh@suse.cz>
1823 * predict.c (expensive_function_p): New.
1824 * rtl.h (expensive_function_p): Declare.
1825 * i386.c (FAST_PROLOGUE_INSN_COUNT): New constant.
1826 (use_fast_prologue_epilogue): New static variable.
1827 (expand_prologue): Set it; emit short prologues if unset.
1828 (expand_epilogue): Likewise.
1830 2001-08-22 Geoffrey Keating <geoffk@redhat.com>
1832 * config.gcc: Add stormy16-*-elf case.
1833 * config/stormy16/stormy-abi: New file.
1834 * config/stormy16/stormy16-lib2.c: New file.
1835 * config/stormy16/stormy16-protos.h: New file.
1836 * config/stormy16/stormy16.c: New file.
1837 * config/stormy16/stormy16.h: New file.
1838 * config/stormy16/stormy16.md: New file.
1839 * config/stormy16/t-stormy16: New file.
1841 Sat Aug 25 15:46:51 CEST 2001 Jan Hubicka <jh@suse.cz>
1843 * i386.h (no-accumulate-outgoing-args): Use proper mask.
1845 2001-08-24 David Edelsohn <edelsohn@gnu.org>
1847 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Function
1848 descriptor members are pointer size, not constant 4.
1849 * config/rs6000/rs6000.md (define_splits): Remove more unused
1852 2001-08-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1854 * sparc.h (ASM_OUTPUT_BYTE): Fix format specifier warning.
1856 2001-08-24 Andreas Jaeger <aj@suse.de>, rkl@connect.org.uk
1858 * cp/rtti.c (VPARAMS): Fix parameter.
1860 2001-08-24 Zack Weinberg <zackw@panix.com>
1862 * expmed.c: Default-#define HAVE_insv, HAVE_extv, and HAVE_extzv
1864 (mode_for_extraction): No need for #ifdefs. Add default-case abort
1866 (store_bit_field): Eliminate insv_bitsize variable. Put HAVE_insv
1867 in if controlling use of insv.
1868 (extract_bit_field): Likewise, for extv and extzv.
1870 Fri Aug 24 17:27:46 CEST 2001 Jan Hubicka <jh@suse.cz>
1872 * i386.md (movcc peep2): Fix load of 0.
1874 2001-08-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1876 * fold-const.c (tree_expr_nonnegative_p): Handle *_DIV_EXPR,
1877 *_MOD_EXPR, SAVE_EXPR and NON_LVALUE_EXPR.
1879 2001-08-23 Jason Merrill <jason_merrill@redhat.com>
1881 * c-pragma.h: Move weak_syms and weak_decls...
1882 * varasm.c: ...here. Now static.
1883 (declare_weak, weak_finish, remove_from_pending_weak_list): Don't
1884 depend on HANDLE_PRAGMA_WEAK.
1886 * c-common.c (c_alignof, c_alignof_expr): Move here...
1887 * c-typeck.c: ...from here.
1888 * c-tree.h, c-common.h: Adjust.
1890 2001-08-23 Bernd Schmidt <bernds@redhat.com>
1892 * config/ia64/ia64.c (rws_update): If !pred, set write_count
1893 instead of incrementing it.
1895 * config/ia64/ia64.c (ia64_sched_reorder): When there's more than one
1896 asm ready, don't try to move them all into the same array element.
1898 Thu Aug 23 17:21:43 CEST 2001 Jan Hubicka <jh@suse.cz>
1900 * function.c (thread_prologue_and_epilogue_insns): Avoid
1901 fallthru flag on edge to exit.
1903 * i386.md (trunc?fsi splitter): Conditionionize for non-sse.
1905 * flow.c (delete_noop_moves, propagate_block_delete_insn): Purge
1908 2001-08-23 Lars Brinkhoff <lars@nocrew.org>
1910 * config/mcore/mcore.h (MACHINE_DEPENDENT_SIMPLIFY): Remove.
1911 * config/mcore/mcore.c (mcore_dependent_simplify_rtx): Likewise.
1912 * config/mcore/mcore-protos.h (mcore_dependent_simplify_rtx):
1915 2001-08-23 Lars Brinkhoff <lars@nocrew.org>
1917 * genconstants.c, genpreds.c, libfuncs.h, optabs.h, rtl-error.h:
1918 replace "GNU CC" with "GCC".
1920 2001-08-23 Richard Henderson <rth@redhat.com>
1922 * config/ia64/ia64.c (ia64_register_move_cost): Add mode arguemnt.
1923 Reorganize. Handle ADDL like GR, add GR_AND_BR. Handle TFmode.
1924 (ia64_secondary_reload_class): Need GR between AR/BR and anything.
1925 Need GR between FR and not GR_AND_FR.
1926 * config/ia64/ia64-protos.h (ia64_register_move_cost): Update.
1927 * config/ia64/ia64.h (reg_class): Add GR_AND_BR_REGS, move
1928 AR regs before GR regs.
1929 (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update.
1930 (PREFERRED_RELOAD_CLASS): Tweak for reordered classes.
1931 (REGISTER_MOVE_COST): Update.
1932 (MEMORY_MOVE_COST): Add GR_AND_FR_REGS.
1934 2001-08-23 Richard Henderson <rth@redhat.com>
1936 * regclass.c (init_reg_sets_1): Don't assume cost 2 within
1939 2001-08-22 Geoffrey Keating <geoffk@redhat.com>
1941 * reload1.c (emit_reload_insns): Don't look for notes
1942 on a NULL store_insn.
1944 2001-08-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1946 * sparc.c (uns_small_int): Don't reference a constant >32-bit.
1947 (addrs_ok_for_ldd_peep): Fix signed/unsigned warning.
1948 (sparc_flat_function_prologue, sparc_flat_function_epilogue): Fix
1949 format specifier warnings.
1950 (sparc_sched_reorder): Mark parameter with ATTRIBUTE_UNUSED.
1952 2001-08-22 David Billinghurst <David.Billinghurst@riotinto.com>
1954 * config/i386/i386-protos.h: Correct declaration of
1955 i386_pe_asm_named_section.
1957 2001-08-22 John David Anglin <dave@hiauly1.hia.nrc.ca>
1959 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Add declaration for
1961 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
1963 2001-08-22 Neil Booth <neil@daikokuya.demon.co.uk>
1965 * cpperror.c (print_location): Don't show _Pragma.
1966 * cppfiles.c (_cpp_pop_file_buffer): Handle -include file pushing
1967 and file change callback generation here.
1968 (stack_include_file): Update use of cpp_push_buffer.
1969 * cpphash.h (_cpp_pop_file_buffer): Update prototype.
1970 (struct cpp_buffer): Remove type, pfile members.
1971 * cppinit.c (cpp_handle_option): Use free_chain.
1972 * cpplex.c (_cpp_lex_token): Don't do -include file pushing here.
1973 (skip_escaped_newlines, get_effective_char, lex_percent): Take
1974 a cpp_reader rather than a cpp_buffer.
1975 (skip_escaped_newlines, get_effective_char, skip_block_comment,
1976 skip_line_comment, parse_string, lex_percent, lex_dot,
1977 _cpp_lex_token): Update accordingly.
1978 * cpplib.c (_cpp_pop_buffer): Don't do file change callback
1980 (cpp_push_buffer): Update prototype.
1981 (run_directive): Update use of cpp_push_buffer.
1982 (_cpp_do__Pragma, cpp_define, cpp_define_builtin, cpp_undef,
1983 handle_assertion): Update use of run_directive.
1984 * cpplib.h (enum cpp_buffer_type): Remove.
1985 (cpp_push_buffer): Update prototype.
1986 * fix-header.c (read_scan_file): Update.
1988 2001-08-22 Matt Kraai <kraai@alumni.carnegiemellon.edu>
1990 * gcc.c (struct prefix_list): Change prefix to const char *.
1992 2001-08-22 Matt Kraai <kraai@alumni.carnegiemellon.edu>
1994 * final.c (final_scan_insn): Call ADDR_VEC_ALIGN on next insn.
1996 2001-08-22 Jason Merrill <jason_merrill@redhat.com>
1998 * explow.c (set_mem_attributes): Avoid returning a bogus alias set
2001 * jump.c (squeeze_notes): Take parms by reference. Handle END being
2004 * ifcvt.c (dead_or_predicable): Adjust.
2005 * loop.c (find_and_verify_loops): Adjust.
2006 * stmt.c (expand_end_case): Adjust.
2007 * flow.c (merge_blocks_move_successor_nojumps): Adjust. Modify the
2008 head and end insn pointers in the basic block, not just local copies.
2009 (merge_blocks_move_predecessor_nojumps): Likewise.
2011 2001-08-22 Lars Brinkhoff <lars@nocrew.org>
2013 * Makefile.in, alias.c, basic-block.h, bb-reorder.c, bitmap.c,
2014 bitmap.h, builtin-types.def, builtins.c, builtins.def,
2015 c-aux-info.c, c-common.c, c-common.def, c-common.h,
2016 c-convert.c, c-decl.c, c-dump.c, c-dump.h, c-errors.c,
2017 c-format.c, c-lang.c, c-lex.c, c-lex.h, c-parse.in,
2018 c-pragma.c, c-pragma.h, c-semantics.c, c-tree.h, c-typeck.c,
2019 caller-save.c, calls.c, collect2.c, collect2.h, combine.c,
2020 conditions.h, config.gcc, configure.frag, configure.in,
2021 conflict.c, convert.c, convert.h, cppspec.c, crtstuff.c,
2022 cse.c, cselib.c, cselib.h, dbxout.c, dbxout.h, defaults.h,
2023 dependence.c, df.c, df.h, diagnostic.c, diagnostic.h,
2024 doloop.c, dominance.c, dwarf.h, dwarf2.h, dwarf2asm.c,
2025 dwarf2asm.h, dwarf2out.c, dwarf2out.h, dwarfout.c,
2026 emit-rtl.c, errors.c, errors.h, except.c, except.h,
2027 exgettext, explow.c, expmed.c, expr.c, expr.h, final.c,
2028 fixproto, flags.h, flow.c, fold-const.c, fp-test.c,
2029 function.c, function.h, gbl-ctors.h, gcc.c, gcc.h, gcc.hlp,
2030 gccspec.c, gcov-io.h, gcse.c, genattr.c, genattrtab.c,
2031 gencheck.c, gencodes.c, genconfig.c, genemit.c,
2032 genextract.c, genflags.c, gengenrtl.c, genmultilib,
2033 genopinit.c, genoutput.c, genpeep.c, genrecog.c,
2034 gensupport.c, gensupport.h, ggc-callbacks.c, ggc-common.c,
2035 ggc-none.c, ggc-page.c, ggc-simple.c, ggc.h, global.c,
2036 graph.c, graph.h, gthr-aix.h, gthr-dce.h, gthr-posix.h,
2037 gthr-rtems.h, gthr-single.h, gthr-solaris.h, gthr-vxworks.h,
2038 gthr-win32.h, gthr.h, haifa-sched.c, halfpic.c, halfpic.h,
2039 hard-reg-set.h, hwint.h, ifcvt.c, input.h, insn-addr.h,
2040 integrate.c, integrate.h, jump.c, lcm.c, libgcc2.c,
2041 libgcc2.h, lists.c, local-alloc.c, loop.c, loop.h,
2042 machmode.def, machmode.h, main.c, mbchar.c, mbchar.h,
2043 mips-tdump.c, mips-tfile.c, mklibgcc.in, mkmap-flat.awk,
2044 mkmap-symver.awk, optabs.c, output.h, params.c, params.def,
2045 params.h, predict.c, predict.def, predict.h, prefix.c,
2046 prefix.h, print-rtl.c, print-tree.c, profile.c, protoize.c,
2047 read-rtl.c, real.c, real.h, recog.c, recog.h, reg-stack.c,
2048 regclass.c, regmove.c, regrename.c, regs.h, reload.c,
2049 reload.h, reload1.c, reorg.c, resource.c, resource.h, rtl.c,
2050 rtl.def, rtl.h, rtlanal.c, sbitmap.c, sbitmap.h,
2051 sched-deps.c, sched-ebb.c, sched-int.h, sched-rgn.c,
2052 sched-vis.c, sdbout.c, sdbout.h, sibcall.c, simplify-rtx.c,
2053 ssa-ccp.c, ssa-dce.c, ssa.c, ssa.h, stmt.c, stor-layout.c,
2054 stringpool.c, system.h, timevar.c, timevar.def, timevar.h,
2055 tlink.c, toplev.c, toplev.h, tree.c, tree.def, tree.h,
2056 tsystem.h, unroll.c, unwind-dw2-fde.c, unwind-dw2-fde.h,
2057 unwind-dw2.c, unwind-pe.h, unwind-sjlj.c, unwind.h,
2058 unwind.inc, varasm.c, varray.c, varray.h, xcoffout.c,
2059 xcoffout.h: replace "GNU CC" with "GCC".
2061 2001-08-21 Richard Henderson <rth@redhat.com>
2063 * final.c (LABEL_ALIGN_AFTER_BARRIER): Default to no alignment.
2064 (final_scan_insn): Consider jump tables data even if we have no
2065 independant text section if !JUMP_TABLES_IN_TEXT_SECTION. Use
2067 * config/ia64/ia64.h (JUMP_TABLES_IN_TEXT_SECTION): Remove.
2068 (ASM_OUTPUT_CASE_END): Remove.
2069 (ASM_OUTPUT_ADDR_DIFF_ELT): Emit pc-relative references.
2070 * config/ia64/ia64.md (tablejump): Decode pc-relative references.
2071 * config/ia64/sysv4.h (ASM_OUTPUT_BEFORE_CASE_LABEL): Remove.
2073 2001-08-21 Richard Henderson <rth@redhat.com>
2075 * config/ia64/ia64.c (emit_all_insn_group_barriers): Flush state
2076 at barrier insns. Emit stop bits before barriers.
2078 * flow.c (flow_find_cross_jump): Don't consider unconditional
2079 return insns for commoning.
2081 * final.c (compute_alignments): Fix typo.
2083 * expmed.c (CODE_FOR_insv, gen_insv): Provide defaults.
2084 (CODE_FOR_extv, gen_extv, CODE_FOR_extzv, gen_extzv): Likewise.
2085 (store_bit_field): Use mode_for_extraction more places.
2086 (extract_bit_field): Likewise.
2088 2001-08-21 Zack Weinberg <zackw@panix.com>
2090 * caller-save.c: Don't include insn-codes.h.
2091 (reg_save_code, reg_restore_code): Make arrays of int.
2092 All uses updated to match.
2093 (insert_save, insert_restore): No need to initialize "code"
2094 variable upon declaration.
2095 * Makefile.in: update dependencies; fix typo in clean rule.
2097 2001-08-21 Richard Henderson <rth@redhat.com>
2099 * ifcvt.c (find_if_block): Allow join_bb as EXIT.
2100 (merge_if_block): Handle fallout from same.
2102 2001-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2104 * builtins.c (type_to_class): Fix typo in last change.
2106 2001-08-21 Richard Henderson <rth@redhat.com>
2108 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Don't emit '#' if
2109 ia64_asm_output_label.
2111 * config/ia64/crtbegin.asm (__do_global_dtors_aux): Use saved
2112 copy of gp while the real gp register contains garbage.
2114 2001-08-21 Zack Weinberg <zackw@panix.com>
2116 * expmed.c (mode_for_extraction): New function.
2117 (store_bit_field, extract_bit_field): Use it.
2118 * expr.h: Prototype it and provide an enum for its first argument.
2120 * combine.c, function.c, recog.c: Don't include insn-codes.h.
2121 Use mode_for_extraction rather than testing HAVE_insv/extv/extzv
2122 and digging through the insn_data tables.
2123 * Makefile.in: Update dependencies.
2125 2001-08-22 Neil Booth <neil@daikokuya.demon.co.uk>
2127 * cppfiles.c (stack_include_file): line-map.c now handles include
2129 (handle_missing_handler): Similarly.
2130 (_cpp_execute_include): Similarly.
2131 (_cpp_pop_file_buffer): Similarly.
2132 * cpphash.h (struct cpp_reader): Remove system_include_depth,
2133 buffer_stack_depth and include_depth.
2134 * cpplib.c (do_include_common): line-map.c now handles include depth.
2135 (cpp_push_buffer): Similarly.
2136 (_cpp_pop_buffer): Similarly.
2137 * cppmacro.c (builtin_macro): Update.
2138 * line-map.c (init_line_maps): Set depth.
2139 (add_line_map): Increment "used" earlier. Update and use the
2141 (trace_include): Use the include depth.
2142 * line-map.h (struct line_maps): New member depth.
2144 2001-08-21 Neil Booth <neil@daikokuya.demon.co.uk>
2146 * cppfiles.c (stack_include_file): Don't handle -H here.
2147 * cppinit.c (cpp_start_read): Set include tracing after
2148 cpp_post_options and after stacking the main file.
2149 * line-map.c (trace_include): New.
2150 (init_line_maps, add_line_map): Update.
2151 * line-map.h (struct line_maps): New member trace_includes.
2153 2001-08-21 Neil Booth <neil@daikokuya.demon.co.uk>
2155 * cppfiles.c (stack_include_file): Harmonize system headerness tests.
2156 * cppfiles.c (stack_include_file): Only stack a file if there
2157 is something to do. Return a boolean indicating whether a
2158 buffer was stacked or not.
2159 (_cpp_execute_include): Similarly.
2160 (_cpp_read_file): Similarly.
2161 * cpphash.h (_cpp_read_file, _cpp_execute_include): Update prototypes.
2163 2001-08-21 Sam Steingold <sds@gnu.org>
2165 * tradcpp.c (rescan): define obufp_before_macroname before RECACHE
2166 (RECACHE): keep obufp_before_macroname up to date
2168 2001-08-21 Zack Weinberg <zackw@panix.com>
2170 * stmt.c: Don't include insn-codes.h.
2171 (expand_end_case): Machine specific logic moved to expr.c.
2172 No need to worry about __builtin_classify_type.
2173 (check_for_full_enumeration_handling, emit_case_nodes):
2176 * builtins.o (expand_builtin_classify_type): Split up so code
2177 can be shared with fold_builtin_classify_type.
2178 (type_to_class, fold_builtin_classify_type): New functions.
2179 (fold_builtins): Handle __builtin_classify_type.
2181 * expr.c (do_tablejump): Now static.
2182 (case_values_threshold, try_casesi, try_tablejump): New;
2183 code mostly from stmt.c (expand_end_case).
2184 (expr.h): Update prototypes.
2186 * Makefile.in (stmt.o): Update dependencies.
2188 2001-08-21 Will Cohen <wcohen@redhat.com>
2190 * configure/alpha/alpha.h (CONDITIONAL_REGISTER_USAGE): Added local
2191 declaration of variable i.
2192 * configure/rs6000/rs6000.h (CONDITIONAL_REGISTER_USAGE): Added local
2193 declaration of variable i.
2195 2001-08-21 Richard Henderson <rth@redhat.com>
2197 * crtstuff.c: Fix thinko last change. Move list tails to start
2198 of CRT_END section. Tidy ifdefs.
2199 (__EH_FRAME_BEGIN__): Always static for ELF.
2200 (__do_global_ctors_1): Rename from __frame_dummy.
2201 * config/mips/iris6.h (LINK_SPEC): Update for __do_global_ctors_1
2202 name change; don't hide __EH_FRAME_BEGIN__.
2204 2001-08-21 Richard Henderson <rth@redhat.com>
2206 * gdbinit.in: Move break on exit after break on fancy_abort.
2208 * config/ia64/ia64.c (ia64_return_in_memory): True for variable
2211 2001-08-21 Neil Booth <neil@daikokuya.demon.co.uk>
2213 * cpphash.h (_cpp_push_next_buffer): New.
2214 * cppinit.c (do_includes): Remove.
2215 (push_include, free_chain, _cpp_push_next_buffer): New.
2216 (cpp_start_read): Use them to rework command line option handling.
2217 (cpp_handle_option): Combine handling of -include and -imacros.
2218 * cpplex.c (_cpp_lex_token): Push a new -include buffer if
2219 appropriate. Always insert missing \n at EOF.
2220 * cpplib.c (start_directive): Get the directive position right.
2221 * cppmain.c (cb_file_change): Always print the first line, unless
2224 2001-08-20 Andreas Jaeger <aj@suse.de>
2226 * profile.c (compute_branch_probabilities): Remove extra new-line
2228 * flow.c (verify_flow_info): Likewise.
2230 2001-08-20 Diego Novillo <dnovillo@redhat.com>
2232 * basic-block.h (basic_block): Add new field 'flags'.
2233 (BB_REACHABLE): Define.
2234 (expunge_block): Declare.
2235 * flow.c (ENTRY_BLOCK_PTR): Initialize field 'flags'.
2236 (EXIT_BLOCK_PTR): Ditto.
2237 (expunge_block): Remove static declaration.
2238 (cleanup_cfg): Clear bb->aux on every basic block.
2239 (find_unreachable_blocks): Set BB_REACHABLE bit in bb->flags when
2240 computing reachability.
2241 (delete_unreachable_blocks): Delete block b if b->flags has
2244 2001-08-20 Diego Novillo <dnovillo@redhat.com>
2246 * doc/invoke.texi: Replace references to -fdump-tree with -fdump-ast.
2248 2001-08-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2250 * sparc.c (sparc_variable_issue): Fix typo in last change.
2252 2001-08-20 Richard Henderson <rth@redhat.com>
2254 * varasm.c (assemble_integer): Document ppc-eabi -mrelocatable losage.
2256 2001-08-20 John David Anglin <dave@hiauly1.hia.nrc.ca>
2258 * pa.h (RETURN_IN_MEMORY): Improve comment.
2260 2001-08-20 Janis Johnson <janis187@us.ibm.com>
2262 * doc/invoke.texi (Profiling options): Clarify the interactions
2263 between -fprofile-arcs and -ftest-coverage, -fprofile-arcs.
2265 2001-08-20 Jeffrey Oldham <oldham@codesourcery.com>
2267 * crtstuff.c (__do_global_ctors): Fix typo in preprocessing
2270 2001-08-20 Matt Kraai <kraai@alumni.carnegiemellon.edu>
2272 * gcc.c (make_relative_prefix): Allocate a sufficiently large
2275 2001-08-20 Richard Henderson <rth@redhat.com>
2277 * final.c (end_final): Fix typo last change.
2279 2001-08-20 Neil Booth <neil@daikokuya.demon.co.uk>
2281 * cppinit.c (init_standard_includes): The returned buffer
2282 is already malloc-ed.
2283 * gcc.c (add_prefix): Similarly.
2284 * prefix.c (translate_name): Update to support clear buffer
2286 (update_path): Similarly. Be sure to free any newly allocated
2287 key. UPDATE_PATH_HOST_CANONICALIZE takes only one argument.
2289 * prefix.h (update_path): Update prototype and document.
2290 * config/i386/xm-djgpp.h (UPDATE_PATH_HOST_CANONICALIZE): Clean
2291 up and update to new buffer ownership rules.
2292 * doc/gcc.texi (UPDATE_PATH_HOST_CANONICALIZE): Update.
2294 Mon Aug 20 01:44:50 CEST 2001 Jan Hubicka <jh@suse.cz>
2296 * final.c (compute_alignments): New function.
2297 (init_insn_lengths): Do not care label_align.
2298 (LABEL_ALIGN_AFTER_BARRIER): Default to 1.
2299 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to 0.
2300 (JUMP_ALIGN, JUMP_ALIGN_MAX_SKIP): New.
2301 (shorted_branches): Realloc label_align array; do
2302 not call init_insn_lengths; Do not care about loop alignments.
2303 * output.h (compute_alignments): Declare.
2304 * toplev.c (rest_of_compilation): Call compute_alignments.
2305 * tm.texi (JUMP_ALIGN, JUMP_ALIGN_MAX_SKIP): Document.
2307 * predict.c (block_info_def): Add npredecesors, remove nvisited;
2308 change visited to tovisit.
2309 (propagate_freq): Use faster traversing algorithm.
2310 (estimate_loops_at_level, estimate_bb_frequencies): Change visited
2311 to tovisit; reverse meaning.
2313 * predict.c (struct block_info_def): Remove nvisited.
2314 (propagate_freq): Use EDGE_DFS_BACK to detect irreducible regions.
2315 (estimate_bb_frequencies): Call mark_dfs_back_edges.
2317 2001-08-19 Geoffrey Keating <geoffk@redhat.com>
2319 * doc/invoke.texi (MIPS Options): Document -mfused-madd.
2320 * config/mips/mips.h (MASK_NO_FUSED_MADD): New.
2321 (TARGET_FUSED_MADD): New.
2322 (TARGET_SWITCHES): Add -mfused-madd, -mno-fused-madd.
2323 * config/mips/mips.md: Add TARGET_FUSED_MADD as condition to
2324 the multiply-add instructions.
2326 2001-08-19 Richard Henderson <rth@redhat.com>
2328 * dwarf2asm.c (dw2_output_indirect_constant_1): The symbol ref
2329 is aligned to pointer size.
2331 2001-08-19 Richard Henderson <rth@redhat.com>
2333 * config/ia64/ia64.c (ia64_cycle_display): Only emit cycle
2334 display markers during final schedule.
2336 2001-08-19 Richard Henderson <rth@redhat.com>
2338 * function.c (gen_mem_addressof): Don't call get_alias_set if no decl.
2340 2001-08-19 Richard Henderson <rth@redhat.com>
2342 * config/ia64/ia64.h (STRIP_NAME_ENCODING): Handle @ and *
2344 (ASM_NAME_TO_STRING): Remove.
2345 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Handle @ and *
2346 in the same string. Remove support for expressions.
2348 2001-08-19 Richard Henderson <rth@redhat.com>
2350 * config/i386/i386.md (tablejump): Make an expander; handle
2351 pic relative addressing here.
2352 (tablejump_1): Rename from tablejump_pic.
2355 2001-08-19 Richard Henderson <rth@redhat.com>
2357 * regclass.c (fix_register): Fix typo.
2359 2001-08-18 Richard Henderson <rth@redhat.com>
2361 * config/ia64/unwind-ia64.c (UNW_REG_B0): New.
2362 (struct _Unwind_Context): Expand br_loc to hold it.
2363 (uw_frame_state_for): Handle leaf functions better.
2364 (uw_update_reg_address): Update for br_loc change.
2366 2001-08-18 Richard Henderson <rth@redhat.com>
2368 * crtstuff.c: Move list heads before code that uses them.
2369 (__JCR_LIST__): Remove initial null.
2370 (frame_dummy, __frame_dummy): Do java registration here ...
2371 (__do_global_ctors_aux): ... not here.
2373 * config/ia64/crtbegin.asm (dtor_ptr): Make gp-relative.
2374 (__do_global_dtors_aux): Update to match.
2375 (__JCR_LIST__, __do_jv_register_classes): New.
2377 * config/ia64/crtend.asm (__JCR_END__): New.
2378 (__do_global_ctors_aux): Use a GPREL64I reloc to __CTOR_END__
2379 instead of an indirect LTOFF22 reloc.
2381 2001-08-18 Richard Henderson <rth@redhat.com>
2383 * flow.c (mark_regs_live_at_end): Use regs_invalidated_by_call.
2384 * regclass.c (init_reg_sets_1): Fix typo.
2385 * config/ia64/ia64.c (ar_pfs_reg_operand): New.
2386 (ia64_expand_call): Pass ar.pfs to sibcall expanders.
2387 (ia64_compute_frame_size): Make ar.unat live when in use.
2388 (ia64_epilogue_uses): Reformat; do not check current_function_is_leaf
2389 for ar.pfs; remove ar.unat handling.
2390 * config/ia64/ia64.h (CALL_REALLY_USED_REGISTERS): ar.unat is
2392 (PREDICATE_CODES): Add ar_pfs_reg_operand.
2393 * config/ia64/ia64-protos.h: Update decls.
2394 * config/ia64/ia64.md (sibcall_nopic): Use ar.pfs.
2395 (sibcall_pic): Likewise.
2397 2001-08-18 Richard Henderson <rth@redhat.com>
2399 * config/ia64/ia64.c (ia64_sched_reorder2): Also skip past
2400 pred_rel_mutex when searching for insn_group_barrier.
2401 * config/ia64/ia64.md (cycle_display): Combine the expander
2404 * config/ia64/ia64.c (ia64_internal_sched_reorder): Emit stop
2405 bit before asm as needed.
2407 2001-08-18 Richard Henderson <rth@redhat.com>
2409 * timevar.def (TV_MACH_DEP): New.
2410 * toplev.c (rest_of_compilation): Use it.
2411 * config/ia64/ia64.c (ia64_reorg): Push to TV_SCHED2.
2413 2001-08-18 Zack Weinberg <zackw@panix.com>
2415 * unwind-dw2.c (execute_stack_op): Add default aborts to
2416 the inner switches to prevent warnings.
2418 2001-08-18 Richard Henderson <rth@redhat.com>
2420 * timevar.h (struct timevar_time_def): Change element type to float.
2421 (ticks_to_msec, clocks_to_msec): Likewise.
2422 (TICKS_TO_MSEC, CLOCKS_TO_MSEC): Rescale to seconds; use type float.
2423 (get_time): Likewise.
2424 (timevar_print): Adjust zero check and printing to match.
2426 2001-08-18 Zack Weinberg <zackw@panix.com>
2428 * doc/extend.texi, doc/gcc.texi, doc/install-old.texi,
2429 doc/invoke.texi, doc/md.texi, doc/rtl.texi, doc/include/gpl.texi:
2430 Eliminate overfull or underfull hboxes.
2432 2001-08-18 Zack Weinberg <zackw@panix.com>
2434 * cpperror.c: Use VA_OPEN/VA_CLOSE/VA_FIXEDARG throughout.
2436 2001-08-18 Zack Weinberg <zackw@panix.com>
2438 * haifa-sched.c: Convert to target hooks. Macros replaced
2439 are ISSUE_RATE, ADJUST_COST, ADJUST_PRIORITY, MD_SCHED_INIT,
2440 MD_SCHED_REORDER, MD_SCHED_REORDER2, MD_SCHED_VARIABLE_ISSUE,
2441 MD_SCHED_FINISH, and HAVE_cycle_display.
2442 * target-def.h (TARGET_SCHED_ADJUST_COST,
2443 TARGET_SCHED_ADJUST_PRIORITY, TARGET_SCHED_ISSUE_RATE,
2444 TARGET_SCHED_VARIABLE_ISSUE, TARGET_SCHED_INIT,
2445 TARGET_SCHED_FINISH, TARGET_SCHED_REORDER,
2446 TARGET_SCHED_REORDER2, TARGET_SCHED_CYCLE_DISPLAY):
2447 New hook #defines to be overridden.
2448 (TARGET_SCHED): Bring them all together.
2449 (TARGET_INITIALIZER): Update.
2450 * target.h: Don't forward declare struct rtx_def. Use 'rtx'
2451 instead of 'struct rtx_def *' throughout.
2452 (struct sched): New set of hooks for the scheduler.
2453 * Makefile.in (haifa-sched.o): Depend on target.h.
2454 * doc/tm.texi: Document the new scheduler hooks, together in
2455 their own section, instead of scattered around.
2456 Fix a bunch of underfull/overfull hboxes.
2458 * a29k.h, alpha.h, arm.h, c4x.h, convex.h, d30v.h, i386.h,
2459 ia64.h, m32r.h, m88k.h, mips.h, pa.h, rs6000.h, s390.h, sh.h,
2460 sparc.h: Don't define any of the old scheduler macros.
2462 * a29k.c, alpha.c, arm.c, c4x.c, convex.c, d30v.c, i386.c,
2463 ia64.c, m32r.c, m88k.c, mips.c, pa.c, rs6000.c, s390.c, sh.c,
2464 sparc.c: Create hook functions from code extracted from
2465 corresponding target header, or make existing hooks static, as
2466 appropriate. Set the appropriate entries in targetm.
2468 * alpha-protos.h, arm-protos.h, c4x-protos.h, d30v-protos.h,
2469 i386-protos.h, ia64-protos.h, m32r-protos.h, pa-protos.h,
2470 rs6000-protos.h, s390-protos.h, sparc-protos.h:
2471 Remove prototypes for functions which are now static.
2473 * d30v.h, d30v.c, m32r.h, m32r.c: Remove #ifdef HAIFA and
2474 related gunk; the Haifa scheduler is now the only choice.
2476 2001-08-18 Zack Weinberg <zackw@panix.com>
2478 * optabs.h (OTI_flodiv, flodiv_optab): Kill.
2479 * genopinit.c: Put floating point divide insns in sdiv_optab.
2480 * expr.c (expand_expr): Use sdiv_optab, not flodiv_optab.
2481 * config/gofast.h, config/c4x/c4x.h,
2482 config/ia64/hpux_longdouble.h, config/mips/mips.h,
2483 config/pa/long_double.h, config/rs6000/sysv4.h,
2484 config/sparc/sparc.h: Put floating point divide libcalls in sdiv_optab.
2485 * optabs.c (init_optab): Break into new_optab, init_optab, init_optabv.
2486 (init_optabs): Use init_optabv for overflow-trapping optabs.
2487 Don't init flodiv_optab. Give mov_optab, movstrict_optab, and
2488 cmp_optab RTX codes so have_insn_for can find them.
2490 * optabs.c (expand_simple_binop, expand_simple_unop,
2491 have_insn_for, gen_sub3_insn): New interfaces.
2492 * expr.h: Prototype new functions.
2493 (enum optab_methods): Move here from optabs.h.
2495 * builtins.c, combine.c, doloop.c, function.c, ifcvt.c,
2496 loop.c, profile.c, simplify-rtx.c, stmt.c, unroll.c:
2497 Use new functions instead of working directly with optabs.
2498 * doloop.c, ifcvt.c, loop.c, profile.c, simplify-rtx.c,
2499 unroll.c: Don't include optabs.h.
2500 * caller-save.c, combine.c, function.c, stmt.c: Just include
2501 insn-codes.h, not optabs.h.
2502 * Makefile.in: Update dependencies.
2504 * combine.c (make_compound_operation, simplify_comparison):
2505 Fix typos testing for this or that instruction.
2507 2001-08-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2509 * mklibgcc.in: Prefer LIB1ASMFUNCS over LIB2_DIVMOD_FUNCS when
2510 generating libgcc.a.
2512 2001-08-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2514 * except.c (TYPE_HASH): Delete.
2516 * objc/objc-act.c (HASHFUNCTION): Cast to size_t, not
2519 * tree.c (TYPE_HASH): Delete.
2521 * tree.h (TYPE_HASH): Define.
2523 2001-08-18 Graham Stott <grahams@redhat.com>
2525 * config/mips/mips.md (adddi3_internal_2+1): Remove contraints from
2527 (adddi3_internal_2+2): Likewise.
2528 (eh_set_lr_di+1): Likewise.
2530 2001-08-17 Richard Henderson <rth@redhat.com>
2532 * defaults.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
2533 UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Move from ...
2534 * dwarf2asm.c: ... here.
2535 * dwarfout.c: Remove them.
2537 * varasm.c (assemble_integer): Add align parameter.
2538 (assemble_real, output_constant, output_constructor): Likewise.
2539 * output.h: Update decls.
2540 * dwarf2asm.c, final.c, varasm.c, config/darwin.c, config/nextstep.c,
2541 config/alpha/alpha.c, config/arm/arm.md, config/clipper/clipper.c,
2542 config/m88k/m88k.c, config/mcore/mcore.md, config/mips/mips.h,
2543 config/mips/mips.md, config/pa/pa.c, config/rs6000/rs6000.c,
2544 config/rs6000/rs6000.h, config/s390/s390.h, config/sh/sh.md:
2547 * final.c (end_final): Abort profile block generation if we
2548 havn't layed it out properly.
2549 * output.h (assemble_eh_integer): Remove stale decl.
2550 * varasm.c (assemble_zeros): Tidy; use assemble_integer.
2552 (assemble_integer): Handle unaligned data.
2553 (assemble_real): Abort on unaligned data.
2554 (output_constructor): Don't assume ASM_OUTPUT_ALIGN 0 does
2556 (default_dtor_section_asm_out_destructor): Use assemble_align.
2557 (default_named_section_asm_out_constructor): Likewise.
2558 (default_ctor_section_asm_out_constructor): Likewise.
2559 * config/darwin.c (machopic_asm_out_constructor): Likewise.
2560 (machopic_asm_out_destructor): Likewise.
2561 * config/nextstep.c (nextstep_asm_out_constructor): Likewise.
2562 (nextstep_asm_out_destructor): Likewise.
2563 * config/alpha/alpha.c (vms_asm_out_constructor): Likewise.
2564 (vms_asm_out_destructor): Likewise.
2566 2001-08-17 Richard Henderson <rth@redhat.com>
2568 * config/mips/iris6.h (TARGET_IRIX6): New.
2569 (current_section_name, current_section_flags): New.
2570 (ASM_OUTPUT_ALIGN, ASM_FILE_START, ASM_FILE_END): New.
2571 (MAX_OFILE_ALIGNMENT): New.
2572 (ASM_OUTPUT_ALIGNED_LOCAL): Use bss_section.
2573 * config/mips/mips.c (mips_make_temp_file, temp_filename): Remove.
2574 (copy_file_data): Split out from
2575 (mips_asm_file_end): ... here.
2576 (mips_asm_file_start): Remove extra .section directive. Use
2577 tmpfile instead of mips_make_temp_file.
2578 (mips_unique_section): Use const char * as needed for warnings.
2579 (iris6_asm_named_section_1): Renamed from iris6_asm_named_section;
2580 re-add align parameter.
2581 (iris6_asm_named_section): New.
2582 (iris_section_align_entry_eq, iris_section_align_entry_hash): New.
2583 (iris6_asm_output_align, iris6_section_align_1): New.
2584 (iris6_asm_file_start, iris6_asm_file_end): New.
2585 * config/mips/mips-protos.h: Update decls.
2587 2001-08-17 Janis Johnson <janis187@us.ibm.com>
2589 * doc/install.texi (Install GCC): Add links to build status pages.
2591 (Final install): Ditto; request updates for specific info
2593 2001-08-17 Neil Booth <neil@daikokuya.demon.co.uk>
2595 * cpperror.c (print_location): Don't take a file name; use the
2597 (_cpp_begin_message): Similarly.
2598 (cpp_ice, cpp_fatal, cpp_error, cpp_error_with_line, cpp_warning,
2599 cpp_warning_with_line, cpp_pedwarn, cpp_pedwarn_with_line): Update.
2600 (cpp_pedwarn_with_file_and_line): Remove.
2601 * cppfiles.c (stack_include_file): Update; set filename to stdin
2602 here when appropriate.
2603 * cpphash.h (struct cpp_buffer): Remove nominal_fname.
2604 (_cpp_begin_message): Don't take a file name.
2605 * cppinit.c: Add comment.
2606 * cpplex.c: Fix end-of-directive indicator.
2607 * cpplib.c: Don't include intl.h.
2608 (run_directive, do_diagnostic): Update.
2609 (do_line): Update to not use nominal_fname.
2610 (cpp_push_buffer): Don't take a filename.
2611 * cpplib.h (struct ht): Remove.
2612 (cpp_push_buffer): Don't take a filename.
2613 (cpp_pedwarn_with_file_and_line): Remove.
2614 * cppmacro.c (struct cpp_macro): Remove file.
2615 (builtin_macro): Update.
2616 (_cpp_create_definition): Update.
2617 * cppmain.c: Correct comment.
2618 * fix-header.c (read_scan_file): Update.
2620 2001-08-17 Kazu Hirata <kazu@hxi.com>
2622 * sbitmap.c: Fix comment formatting.
2623 * sched-deps.c: Likewise.
2624 * sibcall.c: Likewise.
2625 * simplify-rtx.c: Likewise.
2627 * ssa-ccp.c: Likewise.
2628 * stor-layout.c: Likewise.
2629 * timevar.c: Likewise.
2630 * toplev.c: Likewise.
2631 * unwind-dw2.c: Likewise.
2632 * unwind-dw2-fde.c: Likewise.
2633 * varasm.c: Likewise.
2635 2001-08-17 John David Anglin <dave@hiauly1.hia.nrc.ca>
2637 * pa.h (RETURN_IN_MEMORY): Return types with a size that is varable
2638 or larger than an integer in memory.
2640 2001-08-17 Zack Weinberg <zackw@panix.com>
2642 * system.h: Forward-declare struct rtx_def, struct rtvec_def,
2643 and union tree_node. Typedef rtx, rtvec, and tree. Fix comment.
2644 * rtl.h: Don't forward-declare union tree_node here. Don't
2645 typedef rtx or rtvec here. Change all uses of struct rtx_def *,
2646 struct rtvec_def *, or union tree_node * to use rtx, rtvec,
2647 and tree respectively.
2648 * tree.h: Don't forward-declare struct rtx_def here. Don't
2649 typedef tree here. Change all uses of struct rtx_def *,
2650 struct rtvec_def *, or union tree_node * to use rtx, rtvec,
2651 and tree respectively.
2653 2001-08-17 Richard Henderson <rth@redhat.com>
2655 * config/mips/elf.h, config/mips/elf64.h, config/mips/netbsd.h,
2656 config/mips/openbsd.h: Fix typos last change.
2658 2001-08-17 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2660 * doc/invoke.texi (Optimize Options): The default for
2661 -finline-limit is 600.
2663 2001-08-17 Richard Henderson <rth@redhat.com>
2665 * varasm.c (text_section): Allow TEXT_SECTION to override the
2666 printing of TEXT_SECTION_ASM_OP.
2667 * dwarf2out.c (TEXT_SECTION_NAME): Rename from TEXT_SECTION.
2668 (DATA_SECTION, BSS_SECTION): Remove.
2669 * dwarfout.c (TEXT_SECTION_NAME, DATA_SECTION_NAME, DATA1_SECTION_NAME,
2670 RODATA_SECTION_NAME, RODATA1_SECTION_NAME, BSS_SECTION_NAME):
2671 Rename from s/_NAME//.
2672 * config/mips/mips.h (TARGET_FILE_SWITCHING): Add !TARGET_MIPS16.
2673 (ASM_DECLARE_FUNCTION_NAME): Move file switching ...
2674 (TEXT_SECTION): ... here. New.
2675 * config/mips/elf.h (TEXT_SECTION): New; no file switching.
2676 * config/mips/elf64.h, config/mips/netbsd.h: Likewise.
2677 * config/mips/openbsd.h: Likewise.
2678 * config/mips/mips.c (mips_asm_file_start): Tidy file switching test.
2679 (mips_asm_file_end): Likewise test.
2680 (mips_output_function_epilogue): Likewise. Switch back to data
2681 section after emitting the function.
2683 * doc/tm.texi (Sections): Document TEXT_SECTION.
2685 2001-08-17 Richard Henderson <rth@redhat.com>
2687 * dwarf2out.c (dwarf2out_init): Don't emit .debug_loc label here.
2688 (dwarf2out_finish): Do it here. Emit .debug_loc before .debug_info.
2690 2001-08-17 Richard Henderson <rth@redhat.com>
2692 * varasm.c (assemble_variable): Don't overalign if DECL_USER_ALIGN.
2693 * crtstuff.c (__CTOR_LIST__, __DTOR_LIST__, __EH_FRAME_BEGIN__,
2694 __JCR_LIST__, __CTOR_END__, __DTOR_END__, __FRAME_END__,__JCR_END__):
2695 Add aligned attribute.
2697 2001-08-17 Andrew Haley <aph@cambridge.redhat.com>
2699 * config/sh/sh.md: Add modes to unspecs in first insn to match
2700 those in the second.
2702 * Makefile.in: Fix collect2 copy for Cygwin.
2704 Fri Aug 17 15:48:57 CEST 2001 Jan Hubicka <jh@suse.cz>
2706 Install the proper patch.
2707 * function.c (put_var_into_stack): Temporarily clear DECL_RTL.
2708 (assign_params): Avoid setting DECL_RTL to unfinished RTX.
2709 (expand_function_start): Likewise.
2710 * stmt.c (expand_decl): Likewise.
2711 * varasm.c (make_decl_rtx): Likewise.
2713 Fri Aug 17 15:41:35 CEST 2001 Jan Hubicka <jh@suse.cz>
2715 * final.c: Undo my previous accidental checkin.
2716 * output.h: Likewise.
2717 * tm.texi: Likewise.
2719 2001-08-16 Richard Henderson <rth@redhat.com>
2721 * varasm.c (named_section_flags): Remove align parameter.
2722 * varasm.c, dwarf2out.c: Update all callers.
2723 * output.h: Update prototypes.
2725 * target.h (target.asm_out.named_section): Remove align parameter.
2726 * varasm.c, config/a29k/a29k.c, config/alpha/alpha.c,
2727 config/arm/arm.c, config/c4x/c4x.c, config/h8300/h8300.c,
2728 config/i386/i386.c, config/i386/winnt.c, config/m68k/m68k.c,
2729 config/mcore/mcore.c, config/mips/mips.c, config/rs6000/rs6000.c,
2730 config/sh/sh.c, config/sparc/sparc.c: Update implementations to match.
2732 * varasm.c (in_named_entry_eq, in_named_entry_hash): New.
2733 (get_named_section_flags, set_named_section_flags): New.
2734 (named_section_flags): Use them.
2735 (named_section): Do decl vs section flags check here...
2736 (default_section_type_flags): ... not here.
2737 (init_varasm_once): Create in_named_htab.
2738 (resolve_unique_section): Mark reloc unused.
2740 2001-08-16 Richard Henderson <rth@redhat.com>
2742 * varasm.c (force_const_mem): Keep pool alignment in bits.
2743 (output_constant_pool): Use assemble_align.
2745 2001-08-16 Zack Weinberg <zackw@panix.com>
2747 * doc/tm.texi: Remove extra @table command.
2749 2001-08-16 Zack Weinberg <zackw@panix.com>
2751 * final.c (shorten_branches): Clear the end of the label_align
2752 array only if we made it larger. Break up messy expressions
2755 * diagnostic.c (internal_error): Check for error recursion
2756 before doing ICE suppression.
2758 * timevar.c: Timing variables now count in milliseconds.
2759 (init_timevar): Set up ticks_to_msec and clocks_to_msec here.
2760 (get_time): Not here.
2761 (timevar_print): Don't print any timer whose user, cpu, and
2762 wall times are all zero as displayed.
2763 * timevar.h: Update comment aboout units. Make timevar
2766 Thu Aug 16 17:39:45 CEST 2001 Jan Hubicka <jh@suse.cz>
2768 * function.c (put_var_into_stack): Temporarily clear DECL_RTL.
2769 (assign_params): Avoid setting DECL_RTL to unfinished RTX.
2770 (expand_function_start): Likewise.
2771 * stmt.c (expand_decl): Likewise.
2772 * varasm.c (make_decl_rtx): Likewise.
2774 2001-08-16 Jason Merrill <jason_merrill@redhat.com>
2776 * stor-layout.c (layout_decl): Don't set DECL_USER_ALIGN.
2777 (finalize_record_size): Don't set TYPE_USER_ALIGN.
2779 2001-08-16 Matt Kraai <kraai@alumni.carnegiemellon.edu>
2781 * config/i386/i386.c (ix86_init_mmx_sse_builtins): Remove unused
2784 2001-08-16 Andreas Jaeger <aj@suse.de>
2786 * config/s390/s390.c: Include "debug.h" for dwarf2out_do_frame
2789 Wed Aug 15 15:22:52 EDT 2001 John Wehle (john@feith.com)
2791 * rtl.h (only_sets_cc0_p): New prototype.
2792 * jump.c (sets_cc0_p): Handle INSN.
2793 (only_sets_cc0_p): New function.
2794 * flow.c (merge_blocks_nomove): Use only_sets_cc0_p.
2795 (tidy_fallthru_edge): Likewise.
2796 * integrate.c (copy_insn_list): Likewise.
2797 * unroll.c (unroll_loop): Likewise.
2798 (copy_loop_body): Likewise.
2800 2001-08-15 Jason Eckhardt <jle@redhat.com>
2802 * config/i960/i960.md (trap): Change "faulteq.t" to "faulte.t".
2804 Wed Aug 15 14:24:22 CEST 2001 Jan Hubicka <jh@suse.cz>
2806 * predict.c (struct block_info_def): Remove nvisited.
2807 (propagate_freq): Use EDGE_DFS_BACK to detect irreducible regions.
2808 (estimate_bb_frequencies): Call mark_dfs_back_edges.
2810 * i386.c (ix86_agi_depdendant): Lea causes AGI only on the Pentium
2811 (ix86_adjust_cost): Teach scheduler that latency to load operand can
2814 Wed Aug 15 12:41:32 CEST 2001 Jan Hubicka <jh@suse.cz>
2816 * predict.def: Update hitrates.
2818 2001-08-15 Richard Henderson <rth@redhat.com>
2820 * except.c (TYPE_HASH): Cast to size_t, not HOST_WIDE_INT.
2822 Tue Aug 14 17:30:59 2001 Jeffrey A Law (law@cygnus.com)
2824 * flow.c (commit_one_edge_insertion): Don't separate a LOOP_BEG
2825 note from its associated jump.
2827 2001-08-14 Ulrich Weigand <uweigand@de.ibm.com>
2829 * config/s390/linux64.h (CPP_PREDEFINES): Define __s390__
2830 also on 64-bit s390x targets.
2832 2001-08-14 Nick Clifton <nickc@cambridge.redhat.com>
2834 * config/arm/arm.c (arm_compute_initial_elimination_offset): New
2836 (arm_expand_prologue): Handled nested functions which take a
2837 variable argument list.
2838 * config/arm/arm.h (ARM_INITIAL_ELIMINATION_OFFSET): Replace
2839 macro with an invocation of
2840 arm_compute_initial_elimination_offset.
2841 * config/arm/arm-protos.h: Prototype
2842 arm_compute_initial_elimination_offset.
2844 2001-08-14 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2846 * doc/install.texi (Specific, avr): Fix markup.
2847 (Specific, c4x): Ditto.
2849 2001-08-14 Matt Kraai <kraai@alumni.carnegiemellon.edu>
2851 * predict.c (dump_prediction): Change `bool' parameter to `int'.
2853 2001-08-14 Gabriel Dos Reis <gdr@codesourcery.com>
2855 * Makefile.in (OBJS): Add rtl-error.o
2856 (rtl-error.o): New rule.
2857 (diagnostic.o): Adjust dependency.
2858 diagnostic.c (file_and_line_for_asm, diagnostic_for_asm,
2859 error_for_asm, _fatal_insn, _fatal_insn_not_found,
2860 warning_for_asm): Move to...
2861 rtl-error.c: ...here. New file.
2863 2001-08-14 Richard Henderson <rth@redhat.com>
2865 * dwarf2out.c (dwarf2out_frame_finish): Never emit .eh_frame
2866 if USING_SJLJ_EXCEPTIONS.
2868 2001-08-14 Steve Ellcey <sje@cup.hp.com>
2870 * tlink.c (scan_linker_output): Check string for unsatisfied in
2871 addition to undefined and unresolved.
2873 2001-08-14 Graham Stott <grahams@redhat.com>
2875 * libgcc2.c (*): Replace EH_FRAME_SECTION with
2876 EH_FRAME_SECTION_NAME.
2878 Tue Aug 14 14:57:07 CEST 2001 Jan Hubicka <jh@suse.cz>
2880 * genattrtab.c (simplify_test_exp_in_temp): New function.
2881 (simplify_test_exp): Avoid explicit use of temporary obstack.
2882 (simplify_cond, insert_right_side, evaluate_eq_attr,
2883 simplify_and_tree, simplify_or_tree, eliminate_known_true):
2884 Use simplify_test_exp_in_temp.
2885 (optimize_attrs): Iterate until expression stabilizes.
2887 2001-08-13 Ulrich Weigand <uweigand@de.ibm.com>:
2889 * glimits.h: Remove the __LONG_MAX__ special case for s390x.
2890 * config/s390/linux64.h: Define __LONG_MAX__ in CPP_PREDEFINES.
2892 2001-08-13 Richard Henderson <rth@redhat.com>
2894 * config/arm/unknown-elf.h (CTOR_LIST_BEGIN, CTOR_LIST_END): Remove.
2895 (DTOR_LIST_BEGIN, DTOR_LIST_END): Remove.
2896 * config/arm/conix-elf.h: Likewise.
2898 2001-08-13 Geoffrey Keating <geoffk@redhat.com>
2900 * config/svr4.h (LINK_SPEC): Don't do -Wl, here, it is done
2902 * config/rs6000/sysv4.h (LINK_SPEC): Likewise.
2904 * gcse.c (hash_scan_set): Expressions that are set as part of
2905 jump instructions are not available.
2907 2001-08-13 Ulrich Weigand <uweigand@de.ibm.com>
2909 * config/s390/s390.c (print_operand, s390_function_prologue,
2910 s390_va_start): Fixed HOST_WIDE_INT type mismatch.
2912 2001-08-13 Richard Henderson <rth@redhat.com>
2914 * config/rs6000/xcoff.h (EH_FRAME_IN_DATA_SECTION): New.
2915 * defaults.h (EH_FRAME_SECTION_NAME): Respect it.
2916 * doc/tm.texi (Exception Region Output): Document it.
2918 2001-08-13 Geoffrey Keating <geoffk@redhat.com>
2920 * config/rs6000/sysv4.h (PREFERRED_DEBUGGING_TYPE): Use
2921 DWARF2 instead of stabs by default.
2923 2001-08-13 David Edelsohn <edelsohn@gnu.org>
2925 * config/rs6000/rs6000.c: Include optabs.h.
2927 2001-08-13 David Edelsohn <edelsohn@gnu.org>
2929 * config/rs6000/eabi.asm: Define 64-bit versions of FPR
2930 save/restore routines.
2931 * ginclude/ppc-asm.h: Define 64-bit FUNC_* macros.
2933 2001-08-13 Andreas Jaeger <aj@suse.de>
2935 * gcc.c (init_spec): Revert last patch by Theodore Papadopoulo,
2936 the english is correct.
2938 2001-08-13 Zack Weinberg <zackw@panix.com>
2940 * expr.h: Split out optab- and libfunc-related code to...
2941 * optabs.h, libfuncs.h: ... these new headers.
2943 * Makefile.in (CONFIG_H, EXPR_H): Take out insn-codes.h.
2945 (various .o rules): Add $(OPTABS_H) and/or libfuncs.h to
2947 * mkconfig.sh: Don't include insn-codes.h from config.h.
2949 * reload.h: Use #ifdef GCC_INSN_CODES_H to decide whether
2950 enum insn_code is available. Move reload_in_optab and
2951 reload_out_optab array declarations to optabs.h.
2952 * regmove.c (gen_add3_insn): Move to optabs.c, export from
2953 there, prototype in expr.h.
2954 * gencodes.c: Cleanup: zap global variables, don't use
2955 printf where puts will do, don't bother defining MAX_INSN_CODE
2956 which nothing uses, let CODE_FOR_nothing get its value implicitly.
2958 * genemit.c, genopinit.c: Include optabs.h in generated file.
2959 * genoutput.c: Include insn-codes.h in generated file.
2960 * builtins.c, caller-save.c, combine.c, doloop.c, explow.c,
2961 expmed.c, expr.c, function.c, ifcvt.c, loop.c, optabs.c, profile.c,
2962 reload1.c, simplify-rtx.c, stmt.c, unroll.c, config/alpha/alpha.c,
2963 config/arm/arm.c, config/c4x/c4x.c, config/clipper/clipper.c,
2964 config/i386/i386.c, config/ia64/ia64.c, config/mn10300/mn10300.c,
2965 config/pj/pj.c, config/sh/sh.c, config/sparc/sparc.c:
2967 * builtins.c, calls.c, dwarf2out.c, except.c, expr.c, function.c,
2968 optabs.c, stmt.c, config/c4x/c4x.c, config/clipper/clipper.c,
2969 config/m88k/m88k.c, config/sparc/sparc.c:
2971 * reload.c: Include expr.h and optabs.h before reload.h.
2972 * config/alpha/alpha.c: Include tree.h before reload.h.
2973 * config/pa/pa.c: Include expr.h, optabs.h, libfuncs.h,
2974 and reload.h in that order.
2975 * config/sparc/sparc.c: Include debug.h.
2976 * recog.c: Include insn-codes.h.
2978 2001-08-13 Andreas Jaeger <aj@suse.de>
2980 * config.gcc: Use t-slibgcc-elf to build shared libgcc_s on
2983 2000-08-13 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
2985 * dwarf2out.c (output_cfa_loc): Fix typo in comment.
2986 * gcc.c (init_spec): Fix typo in comment.
2987 * varasm.c (data_section): Fix typo in comment.
2989 Mon Aug 13 02:27:39 CEST 2001 Jan Hubicka <jh@suse.cz>
2991 * predict.c (dump_prediction): New argument "USED".
2992 (combine_predictions_for_insn): Determine the used heuristics,
2993 output the case no heuristic applied.
2994 * predict.def (PRED_DS_THEORY, PRED_NO_HEURISTIC): New.
2996 2001-08-13 Andreas Jaeger <aj@suse.de>
2998 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Don't capitalize
3001 2001-08-13 Kazu Hirata <kazu@hxi.com>
3003 * jump.c: Fix formatting.
3005 2001-08-13 Kazu Hirata <kazu@hxi.com>
3007 * config/h8300/h8300.md (zero_extendqihi2): Correct the insn
3010 2001-08-12 Geoffrey Keating <geoffk@redhat.com>
3012 * loop.c (check_dbra_loop): Use condjump_label to compute
3015 * rtl.h: Move prototypes of rtx_alloc and rtvec_alloc around
3016 to better document the files they're in.
3018 2001-08-12 Zack Weinberg <zackw@panix.com>
3020 * recog.h (struct insn_operand_data): Shrink 'mode' field
3023 2001-08-12 Kazu Hirata <kazu@hxi.com>
3025 * gcc.c: Fix comment formatting.
3026 * gccspec.c: Likewise.
3029 * genemit.c: Likewise.
3030 * gengenrtl.c: Likewise.
3031 * genrecog.c: Likewise.
3032 * gensupport.c: Likewise.
3033 * ggc-page.c: Likewise.
3034 * global.c: Likewise.
3035 * graph.c: Likewise.
3036 * ifcvt.c: Likewise.
3037 * integrate.c: Likewise.
3039 * libgcc2.c: Likewise.
3041 * mbchar.c: Likewise.
3042 * optabs.c: Likewise.
3043 * predict.c: Likewise.
3044 * prefix.c: Likewise.
3045 * profile.c: Likewise.
3046 * protoize.c: Likewise.
3048 * recog.c: Likewise.
3049 * regclass.c: Likewise.
3050 * regmove.c: Likewise.
3051 * reg-stack.c: Likewise.
3052 * reload1.c: Likewise.
3053 * resource.c: Likewise.
3054 * rtlanal.c: Likewise.
3057 2001-08-12 Kazu Hirata <kazu@hxi.com>
3059 * doc/tm.texi (ENCODE_SECTION_INFO): Add documentation on how
3060 a tree representing a constant is passed to the macro.
3062 2001-08-12 Richard Henderson <rth@redhat.com>
3064 * config/rs6000/rs6000.c (rs6000_elf_asm_out_constructor): New.
3065 (rs6000_elf_asm_out_destructor): New.
3066 * config/rs6000/sysv4.h (CTORS_SECTION_ASM_OP): Remove.
3067 (DTORS_SECTION_ASM_OP): Remove.
3068 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
3069 (ASM_OUTPUT_INT): Don't hack TARGET_RELOCATABLE for constructors.
3071 2001-08-12 David Edelsohn <edelsohn@gnu.org>
3074 2001-08-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3075 * gcc.c (set_collect_gcc_options): New function, split out from
3077 Ignore elided switches.
3078 (do_spec_1): Invoke before executing command.
3079 (set_input): Export.
3080 Move declaration ...
3081 * gcc.h (set_input): ... here.
3082 * config/alpha/osf.h (ASM_FINAL_SPEC): Use %U.s to refer to input
3085 2001-08-12 Richard Henderson <rth@redhat.com>
3087 * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Fix
3088 thinko wrt TARGET_RELOCATABLE.
3090 2001-08-12 Neil Booth <neil@daikokuya.demon.co.uk>
3092 * fix-header.c (cb_file_change): Update prototype.
3094 2001-08-11 Zack Weinberg <zackw@panix.com>
3096 * toplev.c (set_float_handler): Make static.
3097 * toplev.h: Don't prototype set_float_handler.
3099 * simplify-rtx.c: Don't include setjmp.h.
3100 (simplify_unary_real, simplify_binary_real, simplify_binary_is2orm1):
3102 (simplify_unary_operation, simplify_binary_operation): Use them,
3103 via do_float_handler.
3105 * fold-const.c: Don't include setjmp.h.
3106 (exact_real_inverse_1): New function.
3107 (exact_real_inverse): Use it, via do_float_handler.
3109 * varasm.c: Don't include setjmp.h.
3110 (assemble_real_1): New function.
3111 (assemble_real): Use it, via do_float_handler.
3112 Call internal_error if we get a trap here.
3114 * c-parse.in, cse.c, cselib.c, config/i386/i386.c,
3115 config/pj/pj.c, config/s390/s390.c: Don't include setjmp.h.
3117 2001-08-11 Zack Weinberg <zackw@panix.com>
3119 * defaults.h: Define PREFERRED_STACK_BOUNDARY to
3120 STACK_BOUNDARY if not already defined.
3122 * calls.c, function.c, reload1.c, explow.c: Don't default
3123 PREFERRED_STACK_BOUNDARY. Remove all #if/#ifdef on
3124 PREFERRRED_STACK_BOUNDARY and/or STACK_BOUNDARY.
3126 * explow.c (allocate_dynamic_stack_space): Change unsafe #if
3129 * doc/tm.texi: Document that STACK_BOUNDARY is required;
3130 clarify difference between it and PREFERRED_STACK_BOUNDARY.
3132 2001-08-11 Neil Booth <neil@daikokuya.demon.co.uk>
3134 * cppmacro.c (enter_macro_context): Push macro expansions even
3137 2001-08-11 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3139 * config/rs6000/rs6000.c: Include integrate.h to silence warning.
3140 (rs6000_elf_section_type_flags): Actually return a value.
3142 2001-08-11 Ulrich Weigand <uweigand@de.ibm.com>
3144 * s390.c, s390.h, s390.md, s390-protos.h, linux.h, t-linux:
3145 Clean up code: add missing comments and prototypes, fix warnings,
3146 remove obsolete code, fix spacing to conform to coding style.
3148 2001-08-11 Ulrich Weigand <uweigand@de.ibm.com>
3150 * config/s390/s390.c (targetm): Define TARGET_ASM_OPEN_PAREN
3151 and TARGET_ASM_CLOSE_PAREN.
3152 (regclass_map): CC register belongs to class NO_REGS.
3153 (legitimize_pic_address): Don't generate unnecessary moves
3154 (to avoid confusing loop optimization).
3155 (check_and_change_labels): Replace jump_long by indirect_jump.
3156 (s390_final_chunkify): Don't start a new literal pool on section
3157 switch in 64-bit code.
3158 (s390_va_start, s390_va_arg): Fixed incorrect sizes for 64-bit.
3160 * config/s390/s390.h (TARGET_SWITCHES): Renamed debug_arg to debug.
3161 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE): Set to 64 (for 64-bit).
3162 (HARD_REGNO_MODE_OK, RETURN_IN_MEMORY): Support complex integer
3164 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Remove CC_REGS.
3165 (EH_RETURN_HANDLER_RTX): Fixed incorrect offset for 64-bit.
3166 (CONST_COSTS): Fixed incorrect costs.
3168 * config/s390/s390.md (fixuns_trunc[sd]f[sd]i2, udivsi3, umodsi3):
3169 Use emit_jump instead of emit_jump_insn (gen_jump).
3170 (divsi3, modsi3): Clobber low word of divmoddisi3 before shifting
3171 (to avoid confusing flow analysis).
3172 (tablejump, tablejump1, tablejump2): Removed. Replaced by casesi.
3173 (casesi, casesi_jump): New.
3174 (jump_long): Removed. Functionality merged into indirect_jump.
3175 (indirect_jump): Accept address_operand, not just register_operand.
3176 (cjump_long, icjump_long): Use same logic as indirect_jump.
3177 (builtin_setjmp_setup, builtin_setjmp_receiver, builtin_longjmp):
3178 Fixed broken setjmp/longjmp handling.
3179 (do_builtin_setjmp_setup): Removed.
3181 * config/s390/linux.h (ASM_OUTPUT_DOUBLE_INT): Work around
3182 broken GNU as versions that don't accept .quad with large
3183 negative values. Use hexadecimal output instead.
3184 (ASM_OUTPUT_ADDR_DIFF_ELT): Adapt to new casesi insn.
3185 (ASM_OPEN_PAREN, ASM_CLOSE_PAREN, FUNCTION_PROLOGUE,
3186 FUNCTION_EPILOGUE): Removed. Now in targetm.
3188 * config/s390/linux64.h (CALL_USED_REGISTERS): Add CC register.
3190 * config/s390/fixdfdi.h: Add missing copyright statement.
3191 Fix type conflicts on 64-bit. Add missing SFmode routines.
3193 * s390.c, s390.h, s390.md, linux.h, linux64.h: Fixed incorrect
3196 2001-08-11 Richard Henderson <rth@redhat.com>
3198 * rtl.h (REG_EH_RETHROW): Remove.
3199 * rtl.c (reg_note_name): Update.
3200 * combine.c (distribute_notes): Don't check for it.
3202 2001-08-11 Richard Henderson <rth@redhat.com>
3204 * combine.c (distribute_notes): Place REG_SETJMP.
3206 2001-08-11 Richard Henderson <rth@redhat.com>
3208 * doc/extend.texi (Arrays and pointers implementation): Discourage
3209 relying on sign-extension of pointers.
3211 2001-08-11 H.J. Lu <hjl@gnu.org>
3213 * config/mips/linux.h (EXTRA_SECTIONS): Remove in_ctors and
3215 (EXTRA_SECTION_FUNCTIONS): Remove DTORS_SECTION_ASM_OP and
3216 RDATA_SECTION_ASM_OP.
3218 2001-08-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3220 * doc/install.texi (Specific, c4x): Fix cross-reference to the
3221 main manual to work both for info and HTML versions.
3223 2001-08-11 Neil Booth <neil@daikokuya.demon.co.uk>
3224 Matt Kraai <kraai@alumni.carnegiemellon.edu>
3226 * cpphash.c (_cpp_destroy_hashtable): Use ht_destroy.
3227 * cpphash.h (CPP_IN_SYSTEM_HEADER): Fix.
3228 (struct cpp_pool): New member first.
3229 * cppinit.c (append_include_chain): Plug memory leaks.
3230 * cpplib.c (cpp_register_pragma, cpp_register_pragma_space):
3231 Allocate pragma structures from the (aligned) macro pool to
3232 avoid leaking memory.
3233 * cpplex.c (_cpp_init_pool, _cpp_free_pool): Use pool->first
3234 so we don't leak memory.
3235 * hashtable.c (ht_destroy): New.
3236 * hashtable.h (ht_destroy): New.
3238 2001-08-11 Neil Booth <neil@daikokuya.demon.co.uk>
3239 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3241 * c-lex.c (map): Make const.
3242 (cb_file_change): Update for callback passing a line map.
3243 Don't assume we have a previous map. Remove sanity check
3244 about popping too many files.
3245 * cpperror.c (print_location): Make map const.
3246 * cppfiles.c (stack_include_file): Update; line maps now hold sysp.
3247 (cpp_make_system_header): Similarly.
3248 (search_from): Similarly.
3249 (_cpp_execute_include): Don't remember where we came from.
3250 * cpphash.h (struct cpp_buffer): Remove return_to_line, sysp.
3251 (struct cpp_reader): Make map const.
3252 (CPP_IN_SYSTEM_HEADER, _cpp_do_file_change): Update.
3253 * cpplib.c (do_line): Update; line maps now hold sysp.
3254 (cpp_push_buffer): Similarly.
3255 (_cpp_do_file_change): Similarly; callback with map instead.
3256 (cpp_get_line_maps): Constify return value.
3257 (_cpp_pop_buffer): Update.
3258 * cpplib.h (struct cpp_file_change): Remove.
3259 (struct cpp_callbacks): Update.
3260 (cpp_get_line_maps): Constify return value.
3261 * cppmacro.c (_cpp_create_definition): Update.
3262 * cppmain.c (struct printer): Constify map.
3263 (maybe_print_line): Similarly.
3264 (print_line): Similarly. Deduce flags 1 and 2 here.
3265 (cb_file_change): Update.
3266 * line-map.c (free_line_maps): Warn regardless.
3267 (add_line_map): Return pointer to const. When passed NULL to_file
3268 with LC_LEAVE, use the obvious values for the return point so the
3269 caller doesn't have to figure them out.
3270 (lookup_line): Return pointer to const.
3271 (print_containing_files): Take pointer to const.
3272 * line-map.h (struct line_map): New members reason, sysp.
3273 (add_line_map): Return pointer to const.
3274 (lookup_line): Similarly.
3275 (print_containing_files): Take pointer to const.
3277 2001-08-10 Roman Zippel <zippel@linux-m68k.org>
3278 Richard Henderson <rth@redhat.com>
3280 * regmove.c (regmove_optimize): Avoid setting a register twice in
3283 2001-08-10 Richard Henderson <rth@redhat.com>
3285 * doc/extend.texi (Arrays and pointers implementation): Document
3286 behavior of pointer/integer conversion.
3288 2001-08-10 Ulrich Weigand <uweigand@de.ibm.com>
3290 * glimits.h (__LONG_MAX__): Add s390x as 64-bit architecture.
3292 2001-08-10 Richard Henderson <rth@redhat.com>
3294 * doc/extend.texi (C Implementation): New chapter.
3295 * doc/gcc.texi (Top): Link it in.
3297 2001-08-10 Andrew Cagney <ac131313@redhat.com>
3299 * doc/install.texi (Specific): Fix CVS merge botch.
3301 2001-08-10 Richard Henderson <rth@redhat.com>
3303 * config/m68k/m68k.c (m68k_svr3_asm_out_constructor): Protect with
3304 ifdef CTOR_LIST_BEGIN instead of INIT_SECTION_ASM_OP.
3306 2001-08-10 Zack Weinberg <zackw@stanford.edu>
3308 * calls.c, function.c: Always define PREFERRED_STACK_BOUNDARY
3309 if not already defined. Remove all #ifdefs on STACK_BOUNDARY;
3310 this macro is now required.
3312 * cselib.c (cselib_process_insn), flow.c (propagate_block),
3313 loop.c (find_and_verify_loops), reload.c (reload): Check
3314 for rtx code of CALL_INSN, not CALL, when deciding if we
3315 need to check for REG_SETJMP note.
3317 * gcse.c (compute_hash_table, compute_store_table): Update
3318 the #ifdef NON_SAVING_SETJMP code to the new REG_SETJMP
3321 * config/avr/avr.c: Fix typo.
3322 * config/convex/convex.c (expand_movstr): Use adjust_address.
3323 * config/dsp16xx/dsp16xx.c: Define dsp16xx_compare_gen
3325 * config/dsp16xx/dsp16xx.md: Correct calls to replace_equiv_address.
3326 * config/elxsi/elxsi.c: Include tree.h, expr.h, regs.h, and flags.h.
3328 * config/elxsi/elxsi.h: Don't define Rmode (typo for Pmode?)
3329 Do define STACK_BOUNDARY.
3330 * config/i370/i370.c: Include expr.h.
3331 * config/i860/sysv3.h, config/i860/sysv4.h, config/m32r/m32r.h,
3332 config/pa/som.h, config/v850/v850.h: Take in_ctors and
3333 in_dtors out of EXTRA_SECTIONS; take CTORS_SECTION_FUNCTION
3334 and DTORS_SECTION_FUNCTION out of EXTRA_SECTION_FUNCTIONS.
3335 * config/m88k/m88k.c: Include c-tree.h after expr.h.
3336 * config/pdp11/pdp11.c: Include expr.h and toplev.h.
3337 * config/romp/romp.c: Include expr.h after tree.h.
3339 (output_fpop): Use xmalloc, not oballoc.
3340 * config/we32k/we32k.c: Include expr.h.
3342 2001-08-10 Kazu Hirata <kazu@hxi.com>
3344 * config/h8300/h8300.h: Fix formatting.
3346 2001-08-08 Jason Merrill <jason_merrill@redhat.com>
3348 * c-common.h (RETURN_NULLIFIED_P): Lose.
3349 * c-semantics.c (genrtl_return_stmt): Don't check it.
3351 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
3353 * config/mips/mips.c (mips_add_large_offset_to_sp): New function.
3354 (mips_annotate_frame_insn): New function.
3355 (mips_emit_frame_related_store): New function.
3356 (save_restore_insns): Don't mark instructions that set up the base
3357 registers as frame-related. Add REG_FRAME_RELATED_EXPR notes to
3358 the store instructions instead.
3359 (mips_expand_prologue): If the stack size is moved into a temporary
3360 register, do not mark that move as frame-related. Add a
3361 REG_FRAME_RELATED_EXPR note to the stack adjustment instruction.
3363 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
3365 * config/mips/mips.c (save_restore_insns): Don't mark the RA's
3366 stack slot as unchanging if current_function_calls_eh_return.
3368 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
3370 * config/mips/mips.md (reload_incc): Use HARD_REGNO_NREGS to
3371 access the second half of the TFmode scratch operand.
3373 2001-08-10 Anthony Green <green@redhat.com>
3375 * java/class.c (emit_register_classes): Conditionalize code on
3378 2001-08-10 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3380 * doc/install.texi (Specific, avr): Fix cross-reference to the
3381 main manual to work both for info and HTML versions.
3383 2001-08-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
3385 * stmt.c (expand_null_return_1): Remove code to generate simple returns
3386 and "use_goto" argument.
3387 (expand_null_return, expand_value_return): Update all callers.
3388 * function.c (expand_function_end): Remove code to generate simple
3390 * config/vax/vax.md (epilogue): New expander for function return.
3391 * doc/md.texi (epilogue): Remove "if defined".
3393 2001-08-09 Zack Weinberg <zackw@stanford.edu>
3395 * Makefile.in: Partially revert my previous change:
3396 put -DGENERATOR_FILE back in HOST_CFLAGS, take it out
3397 of the hashtab.o and safe-ctype.o rules.
3399 2001-08-09 Richard Henderson <rth@redhat.com>
3401 * Makefile.in (MAYBE_USE_COLLECT2): Remove; purge all uses.
3402 (USE_COLLECT2): Remove duplicate definition.
3403 * config.gcc (a29k-udi, a29k-wrs-vxworks) [tm_file]: Remove a29k/udi.h.
3404 (use_collect2): Remove dead code.
3405 * configure.in (use_collect2): Remove will_use_collect2 and
3406 maybe_use_collect2; add USE_COLLECT2 to host_xm_defines and xm_defines.
3407 * configure: Rebuild.
3409 * target.h (targetm.asm_out.constructor): New.
3410 (targetm.asm_out.destructor, targetm.have_ctors_dtors): New.
3411 * target-def.h (TARGET_ASM_CONSTRUCTOR): New.
3412 (TARGET_ASM_DESTRUCTOR, TARGET_HAVE_CTORS_DTORS): New.
3413 * varasm.c (in_ctors, in_dtors): New.
3414 (assemble_constructor, assemble_destructor): Remove.
3415 (default_stabs_asm_out_destructor): New.
3416 (default_named_section_asm_out_destructor): New.
3417 (dtors_section, default_dtor_section_asm_out_destructor): New.
3418 (default_stabs_asm_out_constructor): New.
3419 (default_named_section_asm_out_constructor): New.
3420 (ctors_section, default_ctor_section_asm_out_constructor): New.
3421 * output.h: Update declarations.
3422 * c-decl.c (c_expand_body): Use target hooks instead of
3423 assemble_constructor and assemble_destructor.
3424 * profile.c (output_func_start_profiler): Likewise.
3425 * objc/objc-act.c (finish_objc): Likewise.
3426 (build_module_descriptor): Tidy. Set TREE_PUBLIC properly
3427 for the constructor.
3428 * objc/Make-lang.in (objc-act.o): Depend on TARGET_H.
3430 * crtstuff.c (CTORS_SECTION_ASM_OP): Don't define.
3431 (DTORS_SECTION_ASM_OP): Likewise.
3432 (__CTOR_LIST__): Use attribute section when possible.
3433 (__DTOR_LIST__, __CTOR_END__, __DTOR_END__): Likewise.
3435 * defaults.h (EH_FRAME_SECTION_NAME): Don't depend on
3436 ASM_OUTPUT_CONSTRUCTOR.
3438 * config/darwin.c (machopic_asm_out_constructor): New.
3439 (machopic_asm_out_destructor): New.
3440 * config/darwin-protos.h: Update declarations.
3441 * config/darwin.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
3442 (ASM_OUTPUT_DESTRUCTOR): Remove.
3443 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
3444 * config/nextstep.c (nextstep_asm_out_constructor): New.
3445 (nextstep_asm_out_destructor): New.
3446 * config/nextstep.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
3447 (ASM_OUTPUT_DESTRUCTOR): Remove.
3448 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
3449 * config/nextstep21.h: Undef TARGET_ASM_*STRUCTOR instead of
3450 ASM_OUTPUT_*STRUCTOR.
3451 * config/i386/aix386ng.h: Likewise.
3453 * config/elfos.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Remove.
3454 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): No ctors/dtors.
3455 (CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Remove.
3456 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
3457 * config/lynx.h: Likewise.
3458 * config/netware.h: Likewise.
3459 * config/psos.h: Likewise.
3460 * config/alpha/alpha-interix.h: Likewise.
3461 * config/alpha/elf.h: Likewise.
3462 * config/arc/arc.h: Likewise.
3463 * config/arm/aof.h: Likewise.
3464 * config/arm/coff.h: Likewise.
3465 * config/arm/elf.h: Likewise.
3466 * config/c4x/c4x.h: Likewise.
3467 * config/h8300/h8300.h: Likewise.
3468 * config/i386/cygwin.h: Likewise.
3469 * config/i386/djgpp.h: Likewise.
3470 * config/i386/i386-coff.h: Likewise.
3471 * config/i386/i386-interix.h: Likewise.
3472 * config/i386/sco5.h: Likewise.
3473 * config/i386/vsta.h: Likewise.
3474 * config/i386/win32.h: Likewise.
3475 * config/i960/i960-coff.h: Likewise.
3476 * config/ia64/sysv4.h: Likewise.
3477 * config/m68hc11/m68hc11.h: Likewise.
3478 * config/m68k/coff.h: Likewise.
3479 * config/m68k/mot3300.h: Likewise.
3480 * config/m88k/m88k.h: Likewise.
3481 * config/mcore/mcore-pe.h: Likewise.
3482 * config/mcore/mcore.h: Likewise.
3483 * config/mips/elf.h: Likewise.
3484 * config/mips/elf64.h: Likewise.
3485 * config/mips/iris6.h: Likewise.
3486 * config/pa/pa64-hpux.h: Likewise.
3487 * config/rs6000/sysv4.h: Likewise.
3488 * config/sh/sh.h: Likewise.
3489 * config/sparc/litecoff.h: Likewise.
3491 * config/svr3.h (CTORS_SECTION_ASM_OP): Remove.
3492 (CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Remove.
3493 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
3494 * config/1750a/1750a.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
3495 (ASM_OUTPUT_DESTRUCTOR): Remove.
3496 * config/a29k/a29k.c: Move include of tree.h.
3497 * config/a29k/udi.h: Delete file.
3498 * config/alpha/alpha.c (vms_asm_out_constructor): New.
3499 (vms_asm_out_destructor): New.
3500 * config/alpha/vms.h (EXTRA_SECTIONS): No ctors/dtors.
3501 (EXTRA_SECTION_FUNCTIONS): Likewise.
3502 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
3503 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
3504 * config/c4x/c4x.c: Move include of tree.h.
3505 * config/clipper/clipper.c (clix_asm_out_constructor): New.
3506 (clix_asm_out_destructor): New.
3507 * config/clipper/clix.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
3508 (ASM_OUTPUT_DESTRUCTOR): Remove.
3509 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
3510 * config/i386/aix386.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
3511 (TARGET_ASM_CONSTRUCTOR): New.
3512 * config/i386/i386.c (ix86_svr3_asm_out_constructor): New.
3513 (sco_asm_out_constructor): New.
3514 * config/i386/sco5.h (TARGET_ASM_CONSTRUCTOR): New.
3515 * config/i386/svr3gas.h: Remove stack grows up code.
3516 Remove code duplicated from i386/sysv3.h.
3517 (TARGET_ASM_CONSTRUCTOR): New.
3518 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
3519 (DTORS_SECTION_FUNCTION, CTORS_SECTION_FUNCTION): Remove.
3520 * config/i386/sysv3.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
3521 (TARGET_ASM_CONSTRUCTOR): New.
3522 * config/m68hc11/m68hc11.c (m68hc11_asm_out_constructor): New.
3523 (m68hc11_asm_out_destructor): New.
3524 * config/m68hc11/m68hc11.h (TARGET_ASM_CONSTRUCTOR): New.
3525 (TARGET_ASM_DESTRUCTOR): New.
3526 * config/m68k/auxgas.h: Don't undef ASM_OUTPUT_*STRUCTOR.
3527 * config/m68k/dpx2.h: Properly undef all the bits inherited from
3528 config/svr3.h pertaining to section manipulation.
3529 * config/m68k/dpx2g.h: Remove #if 0 code.
3530 * config/m68k/m68k.c (m68k_svr3_asm_out_constructor): New.
3531 * config/m68k/tower-as.h (ASM_OUTPUT_SOURCE_LINE): Fix typo.
3532 (ASM_OUTPUT_CONSTRUCTOR): Remove.
3533 (TARGET_ASM_CONSTRUCTOR): New.
3534 * config/m88k/m88k.c (m88k_layout_frame): Don't use assign_stack_local.
3535 (m88k_svr3_asm_out_constructor): New.
3536 (m88k_svr3_asm_out_destructor): New.
3537 * config/m88k/sysv3.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
3538 (ASM_OUTPUT_DESTRUCTOR): Remove.
3539 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
3540 * config/mips/mips.h: Remove #if 0 ASM_OUTPUT_*STRUCTOR code.
3541 * config/rs6000/aix.h: Likewise.
3542 * config/mips/rtems64.h: Don't undef removed constructor related bits.
3543 * config/mips/vxworks.h: Likewise.
3544 * config/rs6000/lynx.h: Likewise.
3545 * config/sh/elf.h: Likewise.
3546 * config/rs6000/sysv4.h (CTORS_SECTION_ASM_OP): New.
3547 (DTORS_SECTION_ASM_OP): New.
3548 * config/sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
3549 (ASM_OUTPUT_DESTRUCTOR): Remove.
3550 * config/sparc/sol2-sld-64.h: Likewise.
3551 * config/vax/vax.c (vms_asm_out_constructor): New.
3552 (vms_asm_out_destructor): New.
3553 * config/vax/vms.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
3554 (ASM_OUTPUT_DESTRUCTOR): Remove.
3555 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
3557 * doc/tm.texi (@node Initialization): Update.
3559 2001-08-09 Richard Henderson <rth@redhat.com>
3561 * config/alpha/crtbegin.asm (__JCR_LIST__): New.
3562 (__do_global_dtors_aux): Use gp-relative static data to avoid
3563 one dynamic relocation.
3564 (__do_frame_setup): Register Java classes.
3565 * config/alpha/crtend.asm (__JCR_END__): New.
3567 2001-08-09 Zack Weinberg <zackw@stanford.edu>
3569 * Makefile.in (HOST_CFLAGS): Take out -DGENERATOR_FILE.
3570 (CONFIG_H, TCONFIG_H, TM_P_H): Update.
3571 (GEN, STAGESTUFF): Add new files.
3572 (insn-constants.h, s-constants, tm-preds.h, s-preds,
3573 genconstants, genpreds, genconstants.o, genpreds.o): New rules.
3574 (hashtab.o, safe-ctype.o): Add -DGENERATOR_FILE.
3575 * mkconfig.sh: Include tm-preds.h in tm_p.h; insn-constants.h
3576 as well as insn-codes.h and insn-flags.h in config.h; and no
3577 extra headers in tconfig.h and hconfig.h.
3579 * gencodes.c: Eliminate code to generate predicate declarations
3580 or #defines for md-file constants.
3581 * genconstants.c, genpreds.c: New files.
3583 * i386.md: Re-order guard expressions such that TARGET_64BIT
3584 comes first, when this permits better optimization. Add
3585 TARGET_64BIT to more x86-64 patterns. Add comment explaining
3586 why this is desirable.
3588 2001-08-09 Jakub Jelinek <jakub@redhat.com>
3590 * config/ia64/fde-glibc.c: Require glibc 2.2.4+ headers.
3591 (find_fde_for_dso): Remove.
3592 (_Unwind_IteratePhdrCallback): New.
3593 (_Unwind_FindTableEntry): Use dl_iterate_phdr.
3594 * config/ia64/crtbegin.asm (__ia64_app_header): Remove.
3596 Thu Aug 9 11:30:20 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3598 * expr.c (emit_single_push_insn): Only exists ifdef PUSH_ROUNDING.
3599 (move_by_pieces_1): If would call it, abort if no PUSH_ROUNDING.
3601 2001-08-09 Graham Stott <grahams@redhat.com>
3603 * sched-vis.c (MAX_VISUAL_NO_UNIT): Define.
3604 (vis_no_unit): Use it.
3605 (visualize_no_unit): Add the insn only if room exists.
3607 2001-08-09 Graham Stott <grahams@redhat.com>
3609 * predict.c (estimate_probability): Replace magic numbers with
3610 appropriate enumeration.
3612 2001-08-09 Graham Stott <grahams@redhat.com>
3614 * cppexp.c (EXTRACT_PRIO): Uppercase and parenthsize macro
3616 (EXTRACT_FLAGS): Likewise.
3618 2001-08-09 Aldy Hernandez <aldyh@redhat.com>
3620 * config/mips/mips.c (mips_legitimate_address_p): Check for
3621 CONST_INT in last patch.
3623 2001-08-08 Anthony Green <green@redhat.com>
3625 * java/class.c (emit_register_classes): Use assemble_jcr if
3626 possible. Keep the original mechanism as a fallback.
3627 * defaults.h (JCR_SECTION_NAME): Define if we have named section
3628 and weak symbol support.
3629 * crtstuff.c (__JCR_LIST__): Define.
3630 (__JCR_END__): Define.
3631 (_Jv_RegiserClasses): Define weak symbol if possible.
3632 (__do_global_ctors_aux): Register classes for ELF targets with
3633 weak symbol support.
3635 2001-08-08 Kazu Hirata <kazu@hxi.com>
3637 * dbxout.c: Fix comment formatting.
3638 * dependence.c: Likewise.
3640 * diagnostic.c: Likewise.
3641 * dominance.c: Likewise.
3642 * doprint.c: Likewise.
3643 * dwarf2out.c: Likewise.
3644 * dwarfout.c: Likewise.
3645 * emit-rtl.c: Likewise.
3646 * except.c: Likewise.
3647 * explow.c: Likewise.
3648 * expmed.c: Likewise.
3651 * fold-const.c: Likewise.
3652 * function.c: Likewise.
3654 2001-08-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3656 * global.c (retry_global_alloc): Avoid shadowing allocno.
3658 2001-08-08 Mark Mitchell <mark@codesourcery.com>
3660 * except.c (remove_fixup_regions): Fix typo.
3662 2001-08-08 Jan van Male <jan.vanmale@fenk.wau.nl>
3664 * emit-rtl.c (adjust_address, adjust_address_nv): Cast offset to
3665 unsigned HOST_WIDE_INT to avoid warning.
3666 * final.c (final): Cast INSN_UID to unsigned to avoid warning.
3667 * flow.c (set_block_for_new_insns): Likewise.
3669 Wed Aug 8 21:08:14 CEST 2001 Jan Hubicka <jh@suse.cz>
3671 * sibcall.c (return_value_pseudo): New static variable.
3672 (skip_copy_to_return_value): Handle return_value_pseudo.
3673 (call_ends_block_p): Ensure that return_value_pseudo is set.
3674 (optimize_sibling_and_tail_recursive_call): Discover the
3675 load of pseudo return value in alternate exit block.
3677 Wed Aug 8 21:06:43 CEST 2001 Jan Hubicka <jh@suse.cz>
3679 * calls.c (ECF_ALWAYS_RETURN): New constant.
3680 (emit_call_1): Add REG_ALWAYS_RETURN note if needed.
3681 (expand_call): Use LCF_ALWAYS_RETURN for __bb_fork_func.
3682 (emit_library_call_value_1): Handle LCT_ALWAYS_RETRUN.
3683 * flow.c (need_fake_edge_p): Handle REG_ALWAYS_RETURN.
3684 * rtl.c (reg_note_name): New name.
3685 * rtl.h (enum reg_note): Add REG_ALWAYS_RETURN.
3687 2001-08-07 Aldy Hernandez <aldyh@redhat.com>
3689 * config/mips/mips.c (mips_legitimate_address_p): Limit "la" addresses.
3691 2001-08-08 Jason Merrill <jason_merrill@redhat.com>
3693 * alias.c (get_alias_set): Return a previously calculated
3694 alias set for a VAR_DECL.
3695 * function.c (gen_mem_addressof): Calculate the alias set before
3698 Wed Aug 8 18:44:37 CEST 2001 Jan Hubicka <jh@suse.cz>
3700 * predict.def: Set hitrates according our experimental run.
3702 Wed Aug 8 18:01:58 CEST 2001 Jan Hubicka <jh@suse.cz>
3704 * i386.h (HARD_REGNO_RENAME_OK): New macro.
3706 2001-08-08 H.J. Lu <hjl@gnu.org>
3708 * config/mips/mips.c (mips_unique_section): New. Copied from
3711 * config/mips/mips-protos.h (mips_unique_section): New
3714 * config/mips/elf.h (UNIQUE_SECTION): Use mips_unique_section.
3716 * config/mips/little.h: New. Generic little endian mips
3717 targets. Only mips*-*-linux* is converted to use it so far.
3719 * config/mips/linux.h: Include "gofast.h" and "mips/mips.h".
3720 (WCHAR_TYPE): Defined
3721 (WCHAR_TYPE_SIZE): Likewise.
3722 (INIT_SUBTARGET_OPTABS): Likewise.
3723 (BSS_SECTION_ASM_OP): Likewise.
3724 (SBSS_SECTION_ASM_OP): Likewise.
3725 (ASM_OUTPUT_ALIGNED_BSS): Likewise.
3726 (ASM_DECLARE_OBJECT_NAME): Likewise.
3727 (UNIQUE_SECTION): Likewise.
3728 (EXTRA_SECTIONS): Likewise.
3729 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
3730 (ASM_OUTPUT_DESTRUCTOR): Likewise.
3731 (ASM_OUTPUT_DEF): Likewise.
3732 (HANDLE_SYSV_PRAGMA): Removed.
3733 (NO_IMPLICIT_EXTERN_C): Likewise.
3734 (TARGET_MEM_FUNCTIONS): Likewise.
3735 (STARTFILE_SPEC): Likewise.
3736 (ENDFILE_SPEC): Likewise.
3737 (LIB_SPEC): Likewise.
3738 (INVOKE__main): Likewise.
3739 (CTOR_LIST_BEGIN): Likewise.
3740 (CTOR_LIST_END): Likewise.
3741 (DTOR_LIST_BEGIN): Likewise.
3742 (DTOR_LIST_END): Likewise.
3743 (SET_ASM_OP): Likewise.
3744 (ASM_OUTPUT_SOURCE_LINE): Likewise.
3745 (ASM_OUTPUT_DEF): Likewise.
3746 (ASM_OUTPUT_IDENT): Likewise.
3748 * config/mips/mips.h (ASM_SPEC): Undefine before define.
3749 (CPLUSPLUS_CPP_SPEC): Likewise.
3750 (ASM_APP_ON) Redefine only if not defined.
3751 (ASM_APP_OFF): Likewise.
3752 (ASM_OUTPUT_SOURCE_LINE): Likewise.
3753 (ASM_OUTPUT_IDENT): Likewise.
3755 * config.gcc: Update tm_file for Linux/mips.
3757 2001-08-08 Bernd Schmidt <bernds@redhat.com>
3759 * cselib.c (cselib_record_sets): If insn is predicated, turn
3760 sources into IF_THEN_ELSEs.
3762 * config/ia64/ia64.md (cond_opsi2_internal, cond_opsi2_internal_b):
3763 Turn into define_insn_and_split.
3765 * sched-deps.c: Include "cselib.h".
3766 (add_insn_mem_dependence, sched_analyze_1, sched_analyze_2):
3767 Use cselib to turn memory addresses into VALUEs.
3768 (sched_analyze): Call cselib_init/cselib_finish if necessary.
3769 * sched-int.h (struct sched_info): New member USE_CSELIB.
3770 * sched-ebb.c (ebb_sched_info): Initialize it.
3771 * sched-rgn.c (rgn_sched_info): Likewise.
3772 * Makefile.in (sched-deps.o): Update dependencies.
3774 * cselib.h (cselib_subst_to_values): Declare.
3775 * cselib.c (cselib_subst_to_values): No longer static. Allow MEMs
3776 that have no value and autoincs to be handled by generating a new
3779 2001-08-08 Graham Stott <grahams@redhat.com>
3781 * final.c (shorten_branches): Update the INSN_ADDRESSES of insns
3782 within fixed length SEQUENCE.
3784 2001-08-08 Graham Stott <grahams@redhat.com>
3786 * diagnostic.h (diagnostic_format_decoder): Parenthesize macro parameter.
3787 (diagnostic_prefixing_rule): Likewise.
3788 (diagnostic_line_cutoff): Likewise.
3789 (diagnostic_kind_count): Likewise.
3791 2001-08-08 Graham Stott <grahams@redhat.com>
3793 * alias.c (find_base_decl): Delete redundent assignment.
3795 2001-08-08 Graham Stott <grahams@redhat.com>
3797 * dependence.c (INDEX_LIMIT_CHECK): Uppercase macro parameter.
3798 (abs): Uppercase and paranthesize macro parameter.
3799 (MEM_DEPENDENCY): Add whitespace.
3801 2001-08-08 Graham Stott <grahams@redhat.com>
3803 * config/mips/mips.c (mips_legitimate_address_p): Fix enable checking
3804 failure check for CONST_INT
3806 2001-08-08 Graham Stott <grahams@redhat.com>
3808 * flow.c (back_edge_of_syntactic_loop_p): Add whitespace.
3809 (libcall_dead_p): Likewise.
3811 (mark_used_regs): Constify fmt.
3812 (find_use_as_address): Likewise.
3814 2001-08-08 Graham Stott <grahams@redhat.com>
3816 * c-typeck.c (RESTORE_SPELLING_DEPTH): Uppercase and parenthesize macro
3819 2001-08-08 Graham Stott <grahams@redhat.com>
3821 * combine.c (combine_simplify_rtx): Update comment and
3822 remove erroneous test.
3824 2001-08-07 Neil Booth <neil@daikokuya.demon.co.uk>
3826 * cppinit.c (cpp_finish): Pop the final buffer without comment.
3827 * cpplex.c (_cpp_lex_token): Don't pop the final buffer; and
3828 take care to avoid multiple no-newline at EOF warnings in that
3831 Tue Aug 7 22:18:06 CEST 2001 Jan Hubicka <jh@suse.cz>
3833 * calls.c (expand_call): Do not emit INSN_SETJMP note.
3834 (emit_library_call_value_1): Likewise.
3835 (emit_call_1): Emit REG_SETJMP note.
3836 * cse.c (cse_end_of_basic_block): Use REG_SETJMP instead
3838 * cselib.c (cselib_process_insn): Likewise.
3839 * flow.c (propagate_block): Likewise.
3840 * loop.c (find_and_verify_loops): Likewise.
3841 * reload.c (find_equiv_regs): Likewise.
3842 * reload1.c (reload): Likewise.
3843 * resource.c (mark_referenced_resources,
3844 mark_set_resources): Likewise.
3845 * sched-deps (sched_analyze_insn, sched_analyze): Likewise.
3846 * final.c (final_scan_insn): Remove NOTE_INSN_SETJMP.
3847 * haifa-sched.c (unlink_other_notes): Likewise.
3848 (reemit_notes): Likewise.
3849 * sched-ebb.c (sched_ebb): Likewise.
3850 * sched-rgc.c (sched_region): Likewise.
3851 * rtl.c (note_insn_name): Likewise.
3852 (reg_note_name): Add REG_SETJMP
3853 * rtl.h (reg_note): Add REG_SETJMP.
3854 (insn_note): Remove NOTE_INSN_SETJMP.
3856 * profile.c (branch_prob): Add fake edges for setjmp.
3858 2001-08-07 Daniel Jacobowitz <drow@mvista.com>
3860 * config.gcc: Quote target_cpu_default2 correctly for
3861 powerpc*-*-* targets.
3863 2001-08-07 Neil Booth <neil@daikokuya.demon.co.uk>
3865 * cpplib.h, line-map.h: Update comments.
3866 * cppmain.c (printer_init): Move inline.
3867 (maybe_print_line, print_line): Take a map pointer.
3868 (cb_ident, cb_define, cb_undef, cb_include, cb_def_pragma): Update.
3869 (cb_file_change): Don't use prior value of print.map.
3871 2001-08-07 David Edelsohn <edelsohn@gnu.org>
3873 * doc/install.texi: Document fine-grained multilib configuration.
3875 Tue Aug 7 16:52:54 CEST 2001 Jan Hubicka <jh@suse.cz>
3877 * rtlanal.c (find_first_parameter_load): Call note_stores
3878 only on the instructions.
3880 Tue Aug 7 14:56:16 CEST 2001 Jan Hubicka <jh@suse.cz>
3882 * alias.c (nonlocal_mentioned_p):
3883 Rename CONST_CALL_P to CONST_OR_PURE_CALL_P
3884 * calls.c (emit_call_1): Likewise.
3885 * cse.c (cse_insn, invalidate_skipped_block): Likewise.
3886 * cselib.c (cselib_process_insn): Likewise.
3887 * df.c (df_insns_modify): Likewise.
3888 * flow.c (need_fake_edge_p): Likewise.
3889 (propagate_one_insn): Likewise.
3890 * haifa-sched.c (reemit_notes): Likewise.
3891 * integrate.c (copy_insn_list): Likewise.
3892 * jump.c (delete_prior_computation): Likewise.
3893 * local-alloc.c (validate_equiv_mem): Likewise.
3894 * loop.c (scan_loop): Likewise.
3895 * predict.c (estimate_probability): Likewise.
3896 * reload.c (reload): Likewise.
3897 * sched-deps (sched_analyze): Likewise.
3898 * rtl.h (CONST_CALL_P): rename to CONST_OR_PURE_CALL_P.
3899 * gcse.c (compute_hash_table): Likewise.
3900 (mark_call): Likewise.
3901 (store_killed_in_insn): Likewise.
3903 2001-08-07 Jason Merrill <jason_merrill@redhat.com>
3905 * c-semantics.c (make_rtl_for_local_static): Use DECL_RTL_SET_P.
3907 2001-08-06 Richard Henderson <rth@redhat.com>
3909 * varasm.c (assemble_gc_entry): Remove.
3910 * output.h: Likewise.
3912 2001-08-06 Richard Henderson <rth@redhat.com>
3914 * varasm.c (assemble_constructor): Take a symbol_ref and a
3915 priority instead of a bare string. Move priority handling
3916 here from cp/decl2.c.
3917 * output.h: Update decls.
3919 * c-decl.c (c_expand_body): Update calls to assemble_constructor
3920 and assemble_destructor.
3921 * profile.c (output_func_start_profiler): Likewise.
3922 * objc/objc-act.c (finish_objc): Likewise.
3923 (build_module_descriptor): Return the symbol not the symbol name.
3925 2001-08-06 David Edelsohn <edelsohn@gnu.org>
3927 * config/rs6000/darwin.h (DOUBLE_INT_ASM_OP): Add whitespace.
3928 * config/rs6000/linux64.h (RS6000_MCOUNT): Define.
3929 ({SAVE,RESTORE}_FP_{PREFFIX,SUFFIX}): Define.
3930 * config/rs6000/rs6000.h (ASM_OUTPUT_DOUBLE_INT): Remove whitespace.
3931 * config/rs6000/sysv4.h (DOUBLE_INT_ASM_OP): Add whitespace.
3932 * config/rs6000/xcoff.h (DOUBLE_INT_ASM_OP): Add whitespace.
3934 2001-08-06 Neil Booth <neil@daikokuya.demon.co.uk>
3936 * cpperror.c (print_containing_files): Moved to line-map.c.
3937 (print_location): line-map.c handles re-listing or otherwise.
3938 * cpphash.h (struct lexer_state): Remove next_bol.
3939 (struct cpp_buffer): Remove include_stack_listed.
3940 * cpplib.c (do_line, cpp_push_buffer, _cpp_pop_buffer):
3941 Remove faked buffer handling.
3942 (_cpp_do_file_change): Tweak.
3943 * cpplib.h (enum cpp_buffer_type): Remove BUF_FAKE.
3944 * cppmain.c (struct printer): Remove filename.
3945 (print_line, cb_file_change): Update accordingly.
3946 * line-map.c: Include intl.h.
3947 (init_line_maps): Initialize last_listed.
3948 (free_line_maps): Sanity check, warn if ENABLED_CHECKING.
3949 (add_line_map): Sanity check inputs, warn if ENABLED_CHECKING.
3950 (print_containing_files): New.
3951 * line-map.h (struct line_maps): New member last_listed.
3952 (print_containing_files, INCLUDED_FROM): New.
3953 * Makefile.in: Update.
3954 * po/POTFILES.in: Add line-map.c.
3956 2001-08-06 Richard Henderson <rth@redhat.com>
3958 * except.c (convert_from_eh_region_ranges_1): Never mark
3959 USE or CLOBBER insns as throwing.
3961 * expr.c (store_constructor): Don't clobber memory targets.
3963 2001-08-06 Andreas Jaeger <aj@suse.de>
3965 * profile.c (branch_prob): Remove unused variable insn.
3967 * Makefile.in (local-alloc.o): Add dependency on except.h.
3969 * local-alloc.c: Include except.h for can_throw_internal prototype.
3971 2001-08-06 Richard Henderson <rth@redhat.com>
3973 * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
3974 * function.c (expand_main_function): Implement it.
3975 * doc/tm.texi: Document it.
3977 2001-08-06 Stan Shebs <shebs@apple.com>
3979 * doc/install.texi: Document powerpc-*-darwin* details.
3981 2001-08-06 Daniel Berlin <dan@cgsoftware.com>
3983 * config/rs6000/aix.h (CPP_CPU_SPEC): Move back to rs6000.h
3984 (ASM_CPU_SPEC): Move back to rs6000.h
3985 #undef CPP_DEFAULT_SPEC and ASM_DEFAULT_SPEC before redefining them.
3987 * config/rs6000/darwin.h (DOUBLE_INT_ASM_OP): New macro.
3989 * config/rs6000/linux.h: Remove vtable thunks stuff we accidently
3992 * config/rs6000/linux64.h: Ditto.
3994 * config/rs6000/rs6000.h: Move CPP_CPU_SPEC and ASM_CPU_SPEC back
3995 to here. Define default ASM_DEFAULT_SPEC and CPP_DEFAULT SPEC to
3998 Remove accidently readded definitions of FUNCTION_PROLOGUE,
3999 FUNCTION_EPILOGUE, ASM_OPEN_PAREN, ASM_CLOSE_PAREN
4001 * config/rs6000/sysv4.h: Move CPP_CPU_SPEC and ASM_CPU_SPEC back
4004 2001-08-05 Richard Henderson <rth@redhat.com>
4006 * local-alloc.c (update_equiv_regs): Do not move insns that
4009 2001-08-05 Jan Hubicka <jh@suse.cz>
4011 * Makefile.in (reload1.o): Add dedendancy on except.h
4012 * basic-block.h (purge_all_dead_edges, purge_dead_edges): Update
4014 * flow.c (purge_dead_edges, purge_all_dead_edges): Return bool
4015 indicating wehther edges has been cleaned up.
4016 * reload1.c: Inlucde except.h
4017 (fixup_abnormal_edges): Accept deleted insns.
4018 * toplev.c (rest_of_compilation): Purge dead edges unconditionally
4021 2001-08-06 Neil Booth <neil@daikokuya.demon.co.uk>
4023 * cpplib.c (do_line): Correct line number after pop_buffer.
4025 2001-08-05 Neil Booth <neil@daikokuya.demon.co.uk>
4027 PR preprocessor/3824
4028 * line-map.c: Update comments.
4029 * line-map.h: Update comments.
4030 * tradcif.y: Don't consider large numbers unsigned.
4032 2001-08-05 Neil Booth <neil@daikokuya.demon.co.uk>
4034 PR preprocessor/3081
4035 * c-lex.c (map): New.
4036 (cb_file_change): Update map and use it.
4037 (cb_def_pragma, cb_define, cb_undef): Use map and line.
4038 (c_lex): Update to use map.
4039 * cpperror.c (print_location): Move to using logical line numbers.
4040 * cppfiles.c (stack_include_file): Update for new _cpp_do_file_change.
4041 (cpp_make_system_header): Similarly.
4042 (_cpp_execute_include): Stop line numbering hacks. Store the
4043 line we will return to.
4044 * cpphash.h (CPP_BUF_LINE): Remove.
4045 (struct cpp_buffer): Remove lineno and pseudo_newlines.
4046 Add map and return_to_line.
4047 (_cpp_do_file_change): Update.
4048 * cppinit.c (cpp_start_read): Update line kludge.
4049 * cpplex.c (handle_newline): Don't update lineno and pseudo_newlines.
4050 (trigraph_ok): Use logical line numbers for diagnostics.
4051 (skip_block_comment): Likewise.
4052 (skip_whitespace): Likewise.
4053 (skip_line_comment): Use pfile->line instead.
4054 (_cpp_lex_token): Update to use logical line numbering exclusively.
4055 Handle BOL locally. Accept new lines in directives, but keep
4056 pfile->line decremented. Diagnostics use logical lines. Update
4058 * cpplib.c (SEEN_EOL): New.
4059 (skip_rest_of_line, check_eol): Use it.
4060 (end_directive): Increase line number when accepting the newline
4061 at the end of a directive.
4062 (run_directive): Simplify.
4063 (do_line): Bad LC_LEAVEs become LC_RENAMEs. Update.
4064 (_cpp_do_file_change): Update to take buffer line number as an
4065 argument, and store the current map in the cpp_reader. Remove
4066 line number kludges.
4067 (_cpp_do__Pragma): Restore output position after a _Pragma.
4068 (cpp_push_buffer): Don't set output line or lineno.
4069 (_cpp_pop_buffer): Transfer more info from a faked buffer.
4070 Remove line kludge. Set output_line.
4071 * cppmacro.c (builtin_macro): Update handling of __LINE__.
4072 (parse_arg): Use logical lines.
4073 (save_lookahead_token): Save EOFs too now.
4074 * cppmain.c (struct printer): Fix comments.
4075 (printer_init): Simplify, let caller do errors.
4076 (scan_translation_unit, check_multiline_token, dump_macro): Update.
4077 (maybe_print_line): Simplify.
4078 (print_line): Don't print a linemarker if -P.
4079 (cb_define, cb_undef, cb_def_pragma, cb_ident, cb_include): Update.
4080 (cb_file_change): Simplify.
4081 * line-map.h (LAST_SOURCE_LINE): Fix.
4082 (CURRENT_LINE_MAP): New.
4084 2001-08-05 Bernd Schmidt <bernds@redhat.com>
4086 * doloop.c (doloop_modify_runtime): Properly compute number of
4087 iterations if loop was unrolled.
4089 * alias.c (rtx_equal_for_memref_p): VALUEs are only identical
4090 if their CSELIB_VAL_PTRs are.
4092 * config/ia64/ia64.c (struct spill_fill_data): New member prev_insn.
4093 (setup_spill_pointers): Initialize it.
4094 (spill_restore_mem): Set it.
4095 (do_spill, do_restore): Use it to add REG_INC note.
4096 * config/ia64/ia64.md (movti_internal): Add REG_INC notes as needed.
4098 * config/ia64/ia64.c (ia64_sched_reorder): Defer scheduling of
4099 asms if other insns are available.
4101 * config/ia64/ia64.c (condop_operator): New predicate.
4102 * config/ia64/ia64.h (PREDICATE_CODES): Add it.
4103 * config/ia64/ia64.md (cond_opsi2_internal and splitters): New
4106 * expr.c (expand_expr, case COND_EXPR): Prefer working with a
4107 temporary register than directly using a MEM.
4109 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
4111 * config/sh/sh.c (sh_asm_named_section): Fix typo in align
4112 parameter in last change.
4114 2001-08-04 Zack Weinberg <zackw@panix.com>
4116 * sparc.md: Don't use #if inside C test expression.
4118 2001-08-04 Richard Henderson <rth@redhat.com>
4120 * i386.c: Revert 07-30 ix86_output_main_function_alignment_hack.
4122 2001-08-04 Neil Booth <neil@daikokuya.demon.co.uk>
4124 * cpphash.h (struct cpp_reader): New member directive_line.
4125 * cpplib.h (struct cpp_callbacks): Update prototypes of callbacks.
4126 * cpplib.c (do_define, do_undef, do_ident, do_include_common,
4127 do_pragma): Pass line to callbacks.
4128 (start_directive): Record line of directive.
4129 * cppmain.c (cb_ident, cb_define, cb_undef, cb_def_pragma,
4130 cb_include): Similarly.
4131 * c-lex.c (cb_ident, cb_define, cb_undef, cb_def_pragma):
4134 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
4136 * config/d30v/d30v.h: Fix typo in start of UNIQUE_SECTION
4139 Sat Aug 4 13:51:36 CEST 2001 Jan Hubicka <jh@suse.cz>
4141 * loop.c (try_copy_prop); Kill invalidated REG_EQUAL notes.
4143 * reload1.c (fixup_abnormal_edges): New static function.
4146 * flow.c (need_fake_edge_p): New function.
4147 (flow_call_edges_add): Fix handling of noreturn and sibbling calls;
4148 avoid call insn to be very last insn in the insn stream.
4150 * profile.c (branch_prob): Call flow_call_edges_add instead of
4151 doing that by hand; cleanup cfg to re-merge basic blocks once
4154 2001-08-04 Neil Booth <neil@cat.daikokuya.demon.co.uk>
4156 * Makefile.in (CPPLIB_H): New, so that dependencies on cpplib.h
4157 are also on line-map.h.
4158 * cppfiles.c (stack_include_file): Update.
4159 * cpphash.h (struct cpp_buffer): New member return_at_eof.
4160 (_cpp_pop_buffer): New.
4161 * cppinit.c (cpp_destroy, cpp_finish): Update.
4162 (do_includes): Mark each buffer to return at EOF.
4163 * cpplex.c (_cpp_lex_token): Pop buffers at EOF. Continue or
4164 return as requested.
4165 * cpplib.c (run_directive, do_line, cpp_push_buffer): Update.
4166 (cpp_pop_buffer): Rename _cpp_pop_buffer. Stop skipping.
4167 * cpplib.h (cpp_pop_buffer): Remove.
4168 (cpp_scan_buffer_nooutput): Rename cpp_scan_nooutput.
4169 * cppmacro.c (cpp_scan_buffer_nooutput): Similarly. No need to pop
4171 * cppmain.c (scan_buffer): Rename scan_translation_unit. No need
4173 (do_preprocessing): Update.
4174 * fix-header.c (read_scan_file): Update. No need to pop buffers.
4175 * c-parse.in (_yylex): Similarly.
4176 * scan-decls.c (scan_decls): Similarly.
4177 * line-map.h: Update comments.
4179 * objc/Make-lang.in (objc-act.o): Update dependencies.
4181 2001-08-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4183 * config/m68hc11/m68hc11.md ("cmphi_1", "cmpqi_1"): Allow memory
4184 and soft register for operand 0.
4185 ("cmphi_z_used", "cmpqi_z_used"): Allow memory for operand 0.
4187 2001-08-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4189 * config/m68hc11/m68hc11.md ("bitcmpqi"): Allow memory and soft
4190 register for operand 0.
4191 ("bitcmpqi_z_used"): Allow memory for operand 0.
4192 (split "bitcmpqi"): New split to handle address reg as operand 1.
4194 2001-08-04 Andreas Jaeger <aj@suse.de>
4196 * gcse.c: Revert Daniel's last patch.
4198 2001-08-03 Zack Weinberg <zackw@stanford.edu>
4200 * sparc-protos.h: Add prototypes for fp_zero_operand and
4202 * sh-protos.h: Add prototype for fpul_operand.
4204 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
4206 * doc/extend.texi (Other Builtins): Fix typo in last change.
4208 2001-08-03 Richard Henderson <rth@redhat.com>
4210 * target.h (gcc_target): Add asm_out.named_section,
4211 section_type_flags, have_named_sections.
4212 * target-def.h (TARGET_ASM_NAMED_SECTION): New.
4213 (TARGET_HAVE_NAMED_SECTIONS): New.
4214 (TARGET_SECTION_TYPE_FLAGS): New.
4216 * Makefile.in (toplev.o): Depend on TARGET_H.
4217 (varasm.o, dbxout.o): Likewise.
4218 * c-common.c (decl_attributes): Check targetm.have_named_sections
4219 instead of ifdef ASM_OUTPUT_SECTION_NAME.
4220 * dbxout.c (dbxout_function_decl): Likewise.
4221 (dbxout_function_end): Likewise.
4222 * toplev.c (compile_file): Likewise.
4223 * varasm.c (exception_section): Likewise.
4224 * cp/decl2.c (finish_objects): Likewise.
4226 * defaults.h (EH_FRAME_SECTION): Remove.
4227 (EH_FRAME_SECTION_ASM_OP): Remove.
4228 (EH_FRAME_SECTION_NAME): New.
4229 (UNIQUE_SECTION): Don't depend on ASM_OUTPUT_SECTION_NAME.
4230 (UNIQUE_SECTION_P): Remove.
4231 * dwarf2out.c (SECTION_FORMAT): Remove.
4232 (ASM_OUTPUT_SECTION): Remove.
4233 (output_call_frame_info): Use named_section_flags.
4234 (output_comp_unit, dwarf2out_start_source_file): Likewise.
4235 (dwarf2out_end_source_file, dwarf2out_define): Likewise.
4236 (dwarf2out_undef, dwarf2out_init, dwarf2out_finish): Likewise.
4237 * varasm.c (in_eh_frame, eh_frame_section): Remove.
4238 (named_section_flags): New.
4239 (named_section): Use it and targetm.section_type_flags.
4240 (resolve_unique_section): New.
4241 (assemble_start_function): Use it.
4242 (asm_emit_uninitialised, assemble_variable): Likewise.
4243 (default_section_type_flags): New.
4244 (default_no_named_section, default_elf_asm_named_section): New.
4245 (default_coff_asm_named_section, default_pe_asm_named_section): New.
4246 * output.h: Update varasm.c decls.
4247 (SECTION_*): New flags.
4249 * crtstuff.c: Check EH_FRAME_SECTION_NAME not EH_FRAME_SECTION_ASM_OP.
4250 (__EH_FRAME_BEGIN__, __FRAME_END__): Use attribute section.
4252 * config/elfos.h (UNIQUE_SECTION_P): Remove.
4253 * config/alpha/elf.h, config/arm/linux-elf.h: Likewise.
4254 * config/arm/pe.h, config/arm/unknown-elf.h: Likewise.
4255 * config/i386/cygwin.h, config/i386/djgpp.h: Likewise.
4256 * config/i386/i386-interix.h, config/i386/win32.h: Likewise.
4257 * config/ia64/sysv4.h, config/mcore/mcore-pe.h: Likewise.
4258 * config/mips/elf.h, config/mips/elf64.h: Likewise.
4259 * config/mips/iris6gld.h, config/mips/mips.h: Likewise.
4260 * config/pa/pa64-hpux.h,
4262 * config/elfos.h (ASM_OUTPUT_SECTION_NAME): Remove.
4263 (TARGET_ASM_NAMED_SECTION): New.
4264 * config/psos.h, config/a29k/a29k.h, config/alpha/elf.h: Likewise.
4265 * config/alpha/vms.h, config/arm/coff.h: Likewise.
4266 * config/arm/conix-elf.h, config/arm/elf.h: Likewise.
4267 * config/arm/linux-elf.h, config/arm/pe.h: Likewise.
4268 * config/arm/unknown-elf.h, config/avr/avr.h: Likewise.
4269 * config/c4x/c4x.h, config/h8300/h8300.h: Likewise.
4270 * config/i386/cygwin.h, config/i386/djgpp.h: Likewise.
4271 * config/i386/i386-interix.h, config/i386/i386elf.h : Likewise.
4272 * config/i386/sco5.h, config/i386/win32.h: Likewise.
4273 * config/m68k/coff.h, config/mcore/mcore-pe.h: Likewise.
4274 * config/mcore/mcore.h, config/mips/elf.h: Likewise.
4275 * config/mips/elf64.h, config/mips/iris6.h: Likewise.
4276 * config/mips/netbsd.h, config/mips/openbsd.h: Likewise.
4277 * config/pa/pa64-hpux.h, config/rs6000/sysv4.h: Likewise.
4278 * config/rs6000/xcoff.h, config/sh/sh.h: Likewise.
4279 * config/sparc/sysv4.h: Likewise.
4281 * config/nextstep.h: Error until named sections implemented.
4283 * config/a29k/a29k.c (a29k_asm_named_section): New.
4284 * config/alpha/alpha.c (SECTION_VMS_OVERLAY): New.
4285 (vms_section_type_flags, vms_asm_named_section): New.
4286 * config/arm/arm.c (arm_elf_asm_named_section): New.
4287 * config/avr/avr.c (asm_output_section_name): Remove.
4288 * config/avr/avr-protos.h: Update.
4289 * config/c4x/c4x.c (c4x_asm_named_section): New.
4290 * config/h8300/h8300.c (h8300_asm_named_section): New.
4291 * config/i386/i386.c (sco_asm_named_section): New.
4292 * config/i386/winnt.c (SECTION_PE_SHARED): New.
4293 (i386_pe_section_type_flags): New.
4294 (i386_pe_asm_named_section): New.
4295 * config/i386/i386-protos.h: Update.
4296 * config/m68k/m68k.c (m68k_coff_asm_named_section): New.
4297 * config/mcore/mcore.c (mcore_asm_named_section): New.
4298 * config/mips/mips.c (iris6_asm_named_section): New.
4299 * config/mips/mips.h (ENCODE_SECTION_INFO): Use DECL_ONE_ONLY
4300 instead of UNIQUE_SECTION_P.
4301 * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): New.
4302 (xcoff_asm_named_section): New.
4303 * config/sh/sh.c (sh_asm_named_section): New.
4304 * config/sparc/sparc.c (sparc_elf_asm_named_section): New.
4306 * config/i386/djgpp.h (EH_FRAME_SECTION_ASM_OP): Remove.
4307 * config/i386/sco5.h (EH_FRAME_SECTION_ASM_OP*): Remove.
4308 (EH_FRAME_SECTION_NAME): New.
4309 (EXCEPTION_SECTION): New.
4310 * config/ia64/ia64.h (EH_FRAME_SECTION_ASM_OP): Remove.
4311 (DEBUG_*_SECTION): Remove.
4312 * config/m68k/rtemself.h (EH_FRAME_SECTION_ASM_OP): Remove.
4313 * config/mips/iris6.h (DEBUG_*_SECTION): Remove.
4314 (EH_FRAME_SECTION_ASM_OP): Remove.
4316 * doc/tm.texi (UNIQUE_SECTION_P): Remove.
4317 (ASM_OUTPUT_SECTION_NAME): Remove.
4318 (TARGET_ASM_NAMED_SECTION): New.
4319 (TARGET_HAVE_NAMED_SECTIONS): New.
4320 (TARGET_SECTION_TYPE_FLAGS): New.
4321 (EH_FRAME_SECTION_ASM_OP): Remove.
4322 (EH_FRAME_SECTION_NAME): New.
4324 2001-08-03 Zack Weinberg <zackw@stanford.edu>
4326 * builtins.c (fold_builtin_constant_p): Return integer_zero_node
4327 for complex expressions when cfun == 0.
4328 * doc/extend.texi: Document that __builtin_constant_p can be
4329 used in data initializers as well as functions.
4331 2001-08-03 Alexandre Oliva <aoliva@redhat.com>
4333 * config/mn10300/mn10300.h (CONDITIONAL_REGISTER_USAGE): Declare
4334 variable I locally, instead of expecting a declaration in the
4337 2001-08-03 Richard Henderson <rth@redhat.com>
4339 * except.c (collect_one_action_chain): Add an explicit cleanup
4340 action if regions surrounding a catch were encoded entirely
4341 within the call-site entry.
4343 2001-08-03 Richard Henderson <rth@redhat.com>
4345 * dbxout.c (dbxout_symbol_location): Flatten subregs first;
4346 don't take REGNO of a non-register.
4348 2001-08-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
4350 * gthr-dce.h (__GTHREAD_MUTEX_INIT_FUNCTION and
4351 __GTHREAD_MUTEX_INIT_DEFAULT): New macros for mutex initialization.
4352 (__gthread_key_delete): Remove code for __PTHREAD_LIBRARY_VERSION_1 >= 1
4353 (__gthread_mutex_init_function): New function for mutex initialization.
4355 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
4357 * Makefile.in: Revert screwed up commit.
4359 2001-08-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4361 * config/m68hc11/t-m68hc11-gas (T_CPPFLAGS): Add _ctor and _dtor.
4362 * config/m68hc11/larith.asm (_exit): Split in several sub-sections
4363 merged by linker script to get a final _exit().
4364 (__do_global_dtors): New for destructor handling in specific exit
4366 (__do_global_ctors): New for constructors in specific install section.
4367 (__map_data_section): Map data sections before running constructors.
4368 * config/m68hc11/m68hc11.h (INT_ASM_OP): Define to use .word.
4369 (CTORS_SECTION_ASM_OP): Define to put in readonly section.
4370 (DTORS_SECTION_ASM_OP): Likewise.
4371 (CTORS_SECTION_FUNCTION): Define to force a reference to
4373 (DTORS_SECTION_FUNCTION): Likewise for __do_global_dtors.
4375 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
4377 * ChangeLog: Fix date on previous ChangeLog entry for GCSE.
4379 * Makefile.in: Add df.h to gcse.c dependencies.
4381 2001-08-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
4383 * varasm.c (output_constant_def_contents): Use for the length of a
4384 string constant either its TREE_STRING_LENGTH or its int_size_in_bytes
4385 depending on which is larger.
4387 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
4389 * gcse.c: Include df.h for use as a dataflow analyzer.
4391 Declaration of reg_set_info: gone.
4392 New df_analyzer variable used by store motion.
4393 (reg_set_info): Deleted.
4394 (mark_mem_regs): New function, analyze regs used by a mem.
4395 (store_ops_ok): Use dataflow analyzer results to determine if
4396 necessary regs are changed in the block.
4397 (find_moveable_store): Remove check for symbol ref, we can handle
4398 much more complex expressions now.
4399 (compute_store_table): Remove most of the code, it's unnecessary
4400 now that the dataflow analyzer records the info for us.
4401 (store_killed_after): Add parameter to say whether to do the
4402 store_ops_okay test, used to speed up testing when we already know
4403 the answer, and just want to know if the store itself was killed.
4404 (build_store_vector): Largely rewritten to calculate the various
4405 vectors properly, and somewhat optimized.
4406 (store_motion): Init the df_analyzer, get REG_DEF chains.
4407 Also handle trapping expressions (since mems almost always trap)
4408 (simple_mem): Redefine what a simple mem is.
4410 2001-08-03 DJ Delorie <dj@redhat.com>
4412 * ifcvt.c (noce_get_alt_condition): Don't make an auxiliary
4413 set from a constant part of the condition.
4415 2001-08-01 Andrew Cagney <ac131313@redhat.com>
4417 * mkdeps.c (deps_add_default_target): Make local variable
4418 ``start'' a const char pointer.
4419 * dwarf2out.c (compute_section_prefix): Localize use of ``p''.
4421 2001-08-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4423 * doc/install.texi (Configuration): Fix markup.
4424 (Specific, i?86-*-udk): Likewise.
4425 (Specific, alpha*-dec-osf*): Warn against --with-gnu-as,
4427 Document --enable-threads and --enable-libgcj status.
4428 (Specific, mips-sgi-irix*): Canonicalize triples.
4429 (Specific, mips-sgi-irix5): Warn about problems with this config.
4430 Mention required GNU as patch.
4431 Native assembler problems are fixed.
4432 (Specific, mips-sgi-irix6): Update O32 ABI support status.
4433 Document --enable-threads and --enable-libgcj status.
4435 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
4437 * Makefile.in, mklibgcc.in: Restore changes with fixed invocation
4440 2001-08-03 Richard Henderson <rth@redhat.com>
4442 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Don't write to
4445 2001-08-03 Richard Henderson <rth@redhat.com>
4447 * rtlanal.c (find_first_parameter_load): Stop if we
4448 reach a CODE_LABEL at BOUNDARY.
4450 2001-08-03 Richard Henderson <rth@redhat.com>
4452 * config/alpha/alpha.md (force_movdi): New insn.
4453 * config/alpha/alpha.c (alpha_expand_prologue): Use it.
4454 Tweek FRP marking of VMS prologue insns.
4455 * config/alpha/vms.h (EPILOGUE_USES): New.
4457 2001-08-02 Richard Henderson <rth@redhat.com>
4459 * Makefile.in, mklibgcc.in: Revert mkinstalldirs change.
4461 2001-08-02 Lars Brinkhoff <lars@nocrew.org>
4463 * combine.c, config.gcc, cse.c, defaults.h, real.c, reload.c,
4464 simplify-rtx.c, config/alpha/alpha.h, config/avr/avr.h,
4465 config/convex/convex.h, config/d30v/d30v.c,
4466 config/d30v/d30v.h, config/dsp16xx/dsp16xx.h,
4467 config/elxsi/elxsi.h, config/fr30/fr30.h, config/m88k/m88k.c,
4468 config/mips/mips.h, config/mn10200/mn10200.h,
4469 config/mn10300/mn10300.h, config/pdp11/pdp11.md,
4470 config/v850/v850.h, config/vax/openbsd.h,
4471 config/vax/openbsd1.h, config/vax/ultrix.h,
4472 config/vax/vax-protos.h, config/vax/vax.c, config/vax/vax.h,
4473 config/vax/vax.md, config/vax/vaxv.h, config/vax/xm-vms.h,
4474 cp/decl2.c, doc/contrib.texi, doc/cpp.texi, doc/gcc.texi,
4475 doc/install.texi, doc/invoke.texi, doc/md.texi, doc/rtl.texi,
4476 doc/tm.texi: consistently use "VAX", "VAXen", and "MicroVAX"
4477 in comments and documentation.
4479 2001-08-03 Neil Booth <neil@cat.daikokuya.demon.co.uk>
4483 * Makefile.in (line-map.o): New.
4484 (LIBCPP_OBJS, LIBCPP_DEPS): Update.
4485 * c-lex.c (cb_file_change): Update for new cpp_file_change structure.
4486 * cpperror.c (print_containing_files): Similarly.
4487 (print_location): Update. Don't output a space before _Pragma.
4488 * cppfiles.c (stack_include_file): Set to line 1 immediately.
4489 (stack_include_filee, cpp_make_system_header): Update.
4490 (_cpp_execute_include): Get logical line number right for calling
4491 as-yet-unterminated #include.
4492 * cpphash.h (struct cpp_reader): Add line_maps.
4493 (_cpp_do_file_change): Update.
4494 * cppinit.c (cpp_create_reader): Initialize line maps.
4495 (cpp_destroy): Destroy line maps.
4496 (cpp_start_read): Get logical line number right.
4497 * cpplex.c (parse_string): Only warn once for multi-line strings.
4498 Use boolean variable for null warning.
4499 * cpplib.c (_cpp_handle_directive): End the directive if it isn't
4501 (do_include_common): End the directive early.
4502 (do_line): Don't warn about out-of-range lines in preprocessed
4503 source. Update. Remove unused variables.
4504 (_cpp_do_file_change): Update for new line mapping.
4505 (pragma_cb): New typedef.
4506 (cpp_register_pragma): Stop looking ahead before calling the
4508 (do_pragma_system_header): End directive early.
4509 (cpp_get_line_maps): New.
4510 (cpp_pop_buffer): Fudge logical line. Update.
4511 * cpplib.h: Include line-map.h
4512 (enum cpp_fc_reason): Remove.
4513 (struct cpp_file_change): Update.
4514 (cpp_get_line_maps): New.
4515 * cppmain.c (struct_printer): New member map.
4516 (cb_file_change): Update for new mappings.
4517 * fix-header.c (cb_file_change): Similarly.
4519 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
4521 * Makefile.in (libgcc.mk): Define mkinstalldirs.
4522 * mklibgcc.in: Use mkinstalldirs instead of mkdir.
4524 2001-08-02 Lars Brinkhoff <lars@nocrew.org>
4526 * config/vax/vax.c: include expr.h.
4528 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
4530 * Makefile.in ($(srcdir)/configure): Only rebuild in
4532 ($(srcdir)/config.in): Only define in maintainer mode.
4533 ($(srcdir)/cstamp-h.in): Only define in maintainer mode.
4535 2001-08-02 David Edelsohn <edelsohn@gnu.org>
4537 * doc/install.texi (Install GCC: Binaries): Update Bull info.
4539 2001-08-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4541 * gcc.c (set_collect_gcc_options): New function, split out from
4543 Ignore elided switches.
4544 (do_spec_1): Invoke before executing command.
4545 (set_input): Export.
4546 Move declaration ...
4547 * gcc.h (set_input): ... here.
4548 * config/alpha/osf.h (ASM_FINAL_SPEC): Use %U.s to refer to input
4551 2001-08-02 Nathan Sidwell <nathan@codesourcery.com>
4554 * doc/c-tree.texi (Namespaces): Remove std & -fhonor-std
4556 * doc/invoke.texi (C++ Dialect Options): Remove -fno-honor-std.
4558 2001-08-02 Richard Sandiford <rsandifo@redhat.com>
4560 * mips.md (movdicc): Make conditional on TARGET_64BIT. Likewise
4561 for the unnamed instructions it expands to.
4563 2001-08-02 Richard Henderson <rth@redhat.com>
4565 * regclass.c (call_really_used_regs): Conditionally define.
4566 (init_reg_sets_1): Don't use it if not defined.
4567 (fix_register): Similarly, don't set it.
4569 2001-08-01 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4571 * params.def (PARAM_MAX_INLINE_INSNS): Change default to 600.
4572 Correct comment that had been missed in the previous change.
4574 2001-08-01 Stan Shebs <shebs@apple.com>
4576 * config/darwin.c (machopic_stub_name): Try matching by name.
4577 (update_stubs): New function.
4578 (darwin_encode_section_info): Call it and update_non_lazy_ptrs
4581 2001-08-01 Richard Henderson <rth@redhat.com>
4583 * except.c (output_function_exception_table): Use assemble_align.
4584 * varasm.c (assemble_eh_label): Remove.
4585 (assemble_eh_align, assemble_eh_integer): Remove.
4587 2001-08-01 Robert Lipe <robertl@caldera.com>
4589 * dwarfout.c: Remove reference to README.DWARF.
4591 2001-08-01 Andrew MacLeod <amacleod@redhat.com>
4593 * regclass.c (call_really_used_regs): New array for registers which
4594 are actually used by a call.
4595 (init_reg_sets_1): Initialize regs_invalidated_by_call with the
4597 (fix_register): Set call_really_used too.
4598 * config/ia64/ia64.h (CALL_REALLY_USED_REGISTERS): Initialize.
4599 * doc/tm.texi (CALL_REALLY_USED_REGISTERS): Document.
4601 2001-08-01 Richard Henderson <rth@redhat.com>
4603 * read-rtl.c (read_name): Consider \r whitespace.
4605 2001-07-11 Andrew Cagney <ac131313@redhat.com>
4607 * config.gcc: Recognize powerpc-*-netbsd*.
4609 * doc/install.texi (Host/target specific installation notes for
4610 GCC): Mention powerpc-*-netbsd*.
4612 * config/rs6000/netbsd.h: New file.
4613 (STANDARD_STARTFILE_PREFIX, LINK_SHLIB_SPEC): Redefine.
4614 (LIB_DEFAULT_SPEC, STARTFILE_DEFAULT_SPEC): Redefine.
4615 (ENDFILE_DEFAULT_SPEC, LINK_START_DEFAULT_SPEC): Redefine.
4616 (LINK_OS_DEFAULT_SPEC, CPP_OS_DEFAULT_SPEC): Redefine.
4617 (TARGET_VERSION): Redefine.
4619 * config/rs6000/t-ppccomm (MULTILIB_MATCHES_SYSV): Recognize
4620 mcall-netbsd as a match for mcall-sysv.
4621 (EXTRA_MULTILIB_PARTS): Add ncrti$(objext) and ncrtn$(objext).
4622 (ncrti.S, ncrtn.S): New targets.
4623 ($(T)ncrti$(objext), $(T)ncrtn$(objext)): New targets.
4625 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Recognize
4626 "netbsd' as a V4 ABI.
4627 (ASM_SPEC): Check for -mcall-netbsd.
4628 (CC1_SPEC, CC1_SPEC, LINK_START_SPEC, LINK_OS_SPEC): Ditto.
4629 (CPP_ENDIAN_SPEC, CPP_SPEC, STARTFILE_SPEC): Ditto.
4630 (LIB_SPEC, ENDFILE_SPEC): Ditto.
4631 (LIB_NETBSD_SPEC, STARTFILE_NETBSD_SPEC): Define.
4632 (ENDFILE_NETBSD_SPEC, LINK_START_NETBSD_SPEC): Define.
4633 (LINK_OS_NETBSD_SPEC, CPP_OS_NETBSD_SPEC): Define.
4634 (SUBTARGET_EXTRA_SPECS): Add NetBSD specs.
4636 * doc/invoke.texi (Option Summary): Add -mcall-netbsd.
4637 (RS/6000 and PowerPC Options): Mention -mcall-netbsd.
4639 2001-08-01 Mark Kettenis <kettenis@gnu.org>
4641 * unwind-pe.h (base_of_encoded_value, read_encoded_value): Define
4642 only if NO_BASE_OF_ENCODED_VALUE isn't defined.
4643 * unwind-dw2-fde.c (NO_BASE_OF_ENCODED_VALUE): Define before
4644 including "unwind-pe.h".
4646 Wed Aug 1 20:01:42 CEST 2001 Jan Hubicka <jh@suse.cz>
4648 * rs6000.md (define_splits): Kill unused constraints.
4650 Wed Aug 1 20:02:12 CEST 2001 Graham Stott <grahams@redhat.com>
4651 Jan Hubicka <jh@suse.cz>
4653 * function.c (thread_prologue_and_epilogue_insns): Kill code
4654 dealing with non-existent CFG.
4656 2001-08-01 Kazu Hirata <kazu@hxi.com>
4658 * alias.c: Fix comment formatting.
4659 * bitmap.c: Likewise.
4660 * builtins.c: Likewise.
4661 * calls.c: Likewise.
4662 * c-common.c: Likewise.
4663 * c-decl.c: Likewise.
4664 * c-dump.c: Likewise.
4665 * c-lex.c: Likewise.
4666 * collect2.c: Likewise.
4667 * combine.c: Likewise.
4668 * conflict.c: Likewise.
4669 * cppfiles.c: Likewise.
4670 * cppinit.c: Likewise.
4671 * cpplex.c: Likewise.
4672 * cpplib.c: Likewise.
4673 * cppmacro.c: Likewise.
4674 * cppspec.c: Likewise.
4675 * c-pragma.c: Likewise.
4676 * crtstuff.c: Likewise.
4678 * cselib.c: Likewise.
4679 * c-semantics.c: Likewise.
4680 * c-typeck.c: Likewise.
4682 2001-08-01 H.J. Lu <hjl@gnu.org>
4684 * config/mips/linux.h (ASM_OUTPUT_IDENT): Defined.
4686 2001-08-01 H.J. Lu <hjl@gnu.org>
4688 * gcc/config/mips/linux.h (ASM_OUTPUT_SOURCE_LINE): Defined.
4690 2001-08-01 Ziemowit Laski <zlaski@apple.com>
4692 * c-parse.in (OBJC_NEED_RAW_IDENTIFIER): Define macro and flag for
4693 contextualizing Objective-C class name lookup by the lexer.
4694 (typespec_reserved_nonattr): Disable ObjC class name lookup after
4696 (protocoldef): Add support for forward @protocol declarations.
4697 (yylexname): Suppress ObjC class name lookup in certain contexts;
4698 re-enable after lookup is complete.
4699 (_yylex): Re-enable ObjC class name lookup when certain
4700 punctuation marks are seen.
4702 * objc/objc-act.c (check_protocol_recursively): New function used
4703 for finding circular dependencies in protocols.
4704 (objc_declare_protocols): New function for handling forward
4705 @protocol declarations.
4706 (receiver_is_class_object): Detect the case when 'self' is used
4707 inside of a class method.
4708 (build_message_expr): Issue a warning if class method is desired
4709 but instance method is found instead.
4710 (conforms_to_protocol): Streamline.
4711 (objc_comptypes): Detect the fact that 'Bar<Foo> foo' conforms to
4712 protocol Foo, even if 'Bar foo' does not.
4713 (check_protocols): Streamline.
4714 (start_protocol): Add checks for circular and duplicate protocol
4716 (encode_aggregate_within): For typedefs of structs, encode the
4718 * objc/objc-act.h (PROTOCOL_DEFINED): New tree accessor.
4719 (objc_declare_protocols): New prototype.
4721 2001-08-01 Neil Booth <neil@cat.daikokuya.demon.co.uk>
4723 * cpphash.h (struct cpp_reader): New members line, pseudo_newlines.
4724 * cpplex.c (handle_newline): Update prototype. Maintain logical
4726 (skip_escaped_newlines, skip_block_comment, parse_string):
4728 (_cpp_lex_token): Update, and store token position within the token.
4729 * cpplib.h (struct cpp_token): Add line and column entries.
4730 * cppmacro.c (replace_args): Position stringified tokens correctly.
4732 2001-08-01 Andreas Jaeger <aj@suse.de>
4734 * basic-block.h: Add prototype for last_loop_beg_note.
4736 2001-07-31 Alexandre Petit-Bianco <apbianco@redhat.com>
4738 * expr.c (safe_from_p): Use WITH_CLEANUP_EXPR_RTL instead of
4739 RTL_EXPR_RTL while handling WITH_CLEANUP_EXPR nodes. Fixed typo in
4741 (expand_expr): Use WITH_CLEANUP_EXPR_RTL instead of RTL_EXPR_RTL
4742 while handling WITH_CLEANUP_EXPR node. Use second operand calling
4743 expand_decl_cleanup.
4744 * tree.c (firt_rtl_op): The third operand of WITH_CLEANUP_EXPR is
4746 (simple_cst_equal): WITH_CLEANUP_EXPR node to use its second
4747 operand while calling simple_cst_equal.
4748 * tree.def (WITH_CLEANUP_EXPR): Switched operands: the second
4749 operand is the cleanup expression, the third is the RTL_EXPR.
4750 * tree.h (WITH_CLEANUP_EXPR_RTL): New macro.
4752 2001-07-31 Jeff Sturm <jsturm@one-point.com>
4754 * except.c (duplicate_eh_regions): Test n_array[i] for NULL.
4756 2001-07-31 matthew green <mrg@eterna.com.au>
4758 * config.gcc (i386-*-netbsdelf): New description.
4759 * config/i386/netbsd-elf.h: New file.
4761 2001-07-30 Geoffrey Keating <geoffk@redhat.com>
4763 * loop.c (check_dbra_loop): Use single_set to compute
4766 2001-07-31 Daniel Berlin <dan@cgsoftware.com>
4768 PowerPC reorg and support for powerpc64-*-linux*.
4770 Also fixes emitting of constants on 32 bit and 64 bit
4773 * config.gcc: powerpc64-*-linux* is a new target.
4774 Things that needed aix.h now also include xcoff.h
4776 * config/rs6000/rs6000.h: Split XCOFF specific stuff into
4778 Move AIX specific stuff into aix.h.
4779 (TARGET_AIX): Renamed to TARGET_XCOFF, since the AIX ABI is used
4780 with more than just XCOFF now.
4781 (SET_ASM_OP): Remove, now defined where needed.
4782 (FUNCTION_PROLOGUE): New macro definition.
4783 (FUNCTION_EPILOGUE): New macro definition.
4784 (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): New macro definition.
4786 * config/rs6000/xcoff.h: New file.
4788 * config/rs6000/linux64.h: New file.
4790 * config/rs6000/darwin.h: Copy needed AIX alignment definitions.
4792 2001-07-31 Alan Modra <amodra@bigpond.net.au>
4794 * rs6000.c (print_operand_address): Handle ELF syntax.
4795 (output_toc): Simplify. Use DOUBLE_INT_ASM_OP.
4796 * rs6000.md (load_toc_aix_di): Handle ELF syntax.
4797 * rs6000.h (ASM_OUTPUT_DOUBLE_INT, ASM_LONG): Use DOUBLE_INT_ASM_OP.
4799 2001-07-31 David Edelsohn <edelsohn@gnu.org>
4801 * rs6000.c (rs6000_override_options): Only disable
4802 flag_function_sections for XCOFF.
4803 (exact_log2_cint_operand): New predicate.
4804 (reg_or_{add,sub}_cint64_operand): New predicates.
4805 (add_operand): Compare CONST_INT with fewer function calls.
4806 (rs6000_emit_set_const, rs6000_emit_set_long_const): New functions.
4807 (print_operand, case 'p'): Ensure positive operand.
4808 (rs6000_emit_load_toc_table): No load_toc_v4_pic_di.
4809 * rs6000.h (CONST_OK_FOR_LETTER_P, case 'N'): Ensure positive value.
4810 (PREDICATE_CODES): Add new predicates.
4811 * rs6000.md (addsi3): Split 32-bit constants more correctly.
4812 (divsi3, modsi3): Ensure positive power-of-2.
4813 (adddi3): Use new predicate. Split 32-bit constants more
4814 correctly. Re-arrange splitter to handle any constant.
4815 (subdi3): Use new predicate.
4816 (divdi3, moddi3): Ensure positive power-of-2.
4817 (movdi): Use rs6000_emit_set_const.
4818 (load_toc_v4_pic_di): Delete.
4820 2001-07-31 Graham Stott <grahams@redhat.com>
4822 * function.c (pad_below): Revert 2001-07-26 patch.
4824 Tue Jul 31 15:37:35 CEST 2001 Jan Hubicka <jh@suse.cz>
4826 * reg-stack (convert_regs_1): Fix best edge condition.
4828 Tue Jul 31 15:33:27 CEST 2001 Jan Hubicka <jh@suse.cz>
4830 * jump.c (duplicate_loop_exit_test): Better test for jumps
4831 entering the loop; create loop pre_header.
4833 2001-07-31 Hartmut Penner <hpenner@de.ibm.com>
4835 * doc/install.texi: Add s390 and s390x as new targets.
4836 * doc/invoke.texi: Add documantation of S/390 and zSeries
4838 * doc/md.texi: Add documantation of S/390 and zSeries constraints.
4840 2001-07-30 Roman Zippel <zippel@linux-m68k.org>
4842 * config/m68k/m68k.md: Replace all general_operand with
4843 nonimmediate_operand for all destinations.
4844 * config/m68k/m68k.c (not_sp_operand): Likewise.
4846 Mon Jul 30 23:20:34 EDT 2001 John Wehle (john@feith.com)
4848 * flow.c (merge_blocks): Return 1 if an extra jump is inserted.
4850 2001-07-30 Richard Henderson <rth@redhat.com>
4852 * config/ia64/ia64.h (DEBUG_RANGES_SECTION): New.
4853 * config/mips/iris6.h (DEBUG_RANGES_SECTION): New.
4855 2001-07-30 Roman Zippel <zippel@linux-m68k.org>
4857 * config/m68k/m68k.h (TARGET_SWITCHES/TARGET_OPTIONS):
4858 Add missing doc strings
4859 * config/m68k/linux-aout.h (SUBTARGET_SWITCHES): Likewise
4860 * config/m68k/linux.h (SUBTARGET_SWITCHES): Likewise
4862 Mon Jul 30 22:16:08 CEST 2001 Jan Hubicka <jh@suse.cz>
4864 * i386.c (ix86_output_main_function_alignment_hack): New function.
4865 (TARGET_ASM_FUNCTION_PROLOGUE): Default to it.
4867 * flow.c (mark_dfs_back_edges): Move from loop_p ; mark back
4868 edges by EDGE_DFS_BACK flag.
4869 (dump_edge_info): Add dfs_back flag.
4870 * basic-block.h (EDGE_DFS_BACK): New constant.
4871 (mark_dfs_back_edges): Declare.
4872 * alias.c (loop_p): Remove.
4873 (mark_constant_function): Use mark_dfs_back_edges.
4875 * reg-stack.c (block_info_def): Add predecesors counter and stack_out.
4876 (reg_to_stack): Call mark_dfs_back_edges; count the predecesors.
4877 (compensate_edge): Break out from ...
4878 (convert_regs_1): ... here; do smart choosing of stack_out to copy.
4879 (convert_regs_2): Set block_done once block is really done;
4880 Do updating of the predecesors counts.
4882 * toplev.c (rest_of_compilation): Recompute block_for_insn
4883 before post-reload cfg_cleanup.
4884 * function.c (thread_prologue_epilogue_insns):
4885 Call set_block_for_new_insns when emitting prologue directly.
4887 2001-07-30 Andreas Jaeger <aj@suse.de>
4889 * jump.c: Add prototype for mark_modified_reg.
4891 * cse.c (set_live_p): Add unused attribute.
4893 * gcov.c (calculate_branch_probs): Use gcov_type to avoid
4895 (scan_for_source_files): Use long for count to avoid overflow.
4896 (output_data): Likewise.
4897 (output_data): Don't use string concatatenation to silence gcc
4900 * predict.c: Fix typos and grammar.
4902 * gcse.c (insert_insn_end_bb): Remove unused variables.
4904 Mon Jul 30 21:54:53 CEST 2001 Jan Hubicka <jh@suse.cz>
4906 * flow.c (mark_set_1): Use REG_FREQ_FROM_BB.
4907 (attempt_auto_inc): LIkewise.
4908 (mark_used_reg): Likewise.
4909 (try_pre_increment_1): Likewise.
4910 * regclass.c (regclass): Likewise.
4911 * global.c (allocno_compare): Update comment; change scaling factor.
4912 * local-alloc.c (QTY_CMP_PRI): Likewise.
4913 * regs.h (REG_FREQ_FROM_BB): New.
4914 (REG_FREQ_MAX): Likewise.
4916 2001-07-30 H.J. Lu <hjl@gnu.org>
4918 * config/mips/linux.h (CPLUSPLUS_CPP_SPEC): Add
4921 2001-07-30 H.J. Lu (hjl@gnu.org)
4923 * config/mips/linux.h (ASM_DECLARE_FUNCTION_NAME): Defined.
4924 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
4925 (FUNCTION_NAME_ALREADY_DECLARED): Likewise.
4927 2001-07-30 Nick Clifton <nickc@cambridge.redhat.com>
4929 * config/arm/t-arm-elf (MULTILIB_EXCEPTIONS): Skip -mthumb as well
4930 as -mthumb-interwork when -mcpu=arm7 is specified.
4932 Mon Jul 30 17:44:43 CEST 2001 Jan Hubicka <jh@suse.cz>
4934 * predict.def (noreturn, loop branch, loop exit): Mark as first
4937 Mon Jul 30 12:52:11 CEST 2001 Jan Hubicka <jh@suse.cz>
4939 * combine.c (try_combine): Avoid barrier after noop jumps.
4941 2001-07-29 Neil Booth <neil@cat.daikokuya.demon.co.uk>
4943 * cpphash.h (struct cpp_reader): Remove import_warning.
4944 * cpplib.c (skip_rest_of_line): Don't bother turning off
4946 (parse_include): Move include handling to...
4947 (do_include_common): ... here. Move import warning from...
4948 (do_import): ... here.
4949 (do_pragma_poison): Don't do a callback for poison identifiers.
4950 * cpplib.h (struct cpp_callbacks): Don't do poison callbacks.
4951 * cppmain.c (setup_callbacks): Similarly.
4953 Sun Jul 29 23:26:50 CEST 2001 Jan Hubicka <jh@suse.cz>
4955 * rtlanal.c (parms_set, find_first_parameter_load): Break out from...;
4956 handle multiple sets.
4957 * except.c (sjlj_mark_call_sites): .... here.
4958 * gcse.c (insert_insn_end_bb): Use find_first_parameter_load.
4960 Sun Jul 29 21:38:45 CEST 2001 Jan Hubicka <jh@suse.cz>
4962 Suggested by Richard Henderson and Richard Kenner:
4963 * combine.c (recog_for_combine): Use the fake recog
4964 only if instruction does not match.
4965 * rtl.h (NOOP_MOVE_INSN_CODE): New.
4966 * rtlanal.c (noop_move_p): Always return 1 for NOOP_MOVE_INSN_CODE.
4968 * combine.c (try_combine): Discover noop jump as direct jump.
4970 2001-07-29 Daniel Berlin <dan@cgsoftware.com>
4972 * df.c (df_rd_global_compute): Add successors to worklist, not
4974 (df_ru_global_compute): Ditto.
4976 2001-07-27 Daniel Berlin <dan@cgsoftware.com>
4978 * regclass.c (reg_scan_mark_refs): Increment REG_N_REFS when we
4979 increment REG_N_SETS.
4981 2001-07-26 Daniel Berlin <dan@cgsoftware.com>
4983 * sbitmap.h: New prototype for sbitmap_a_xor_b.
4985 * sbitmap.c (sbitmap_a_xor_b): New function.
4986 ifdef the basic block stuff on IN_GCC.
4988 2001-07-29 Neil Booth <neil@cat.daikokuya.demon.co.uk>
4990 * cppexp.c (parse_defined): Always record the macro name.
4991 (lex): Don't worry about identifiers, or special-case
4993 (_cpp_parse_expr): Figure out at the end of the routine
4994 whether we saw a valid !defined() expression.
4995 * cppfiles.c (stack_include_file): Update for mi_valid.
4996 (_cpp_pop_file_buffer): Similarly.
4997 * cpplex.c (_cpp_lex_token): Similarly.
4998 * cpphash.h (enum mi_state, enum mi_ind, mi_state,
4999 mi_if_not_defined, mi_lexed): Remove.
5001 * cpplib.c (do_if): Simplify.
5002 (do_endif, push_conditional, _cpp_handle_directive): Update
5003 for renaming of mi_state to mi_valid.
5005 * cpp.texi: Add index entries for digraphs, and add comment
5006 that C++ refers to them as alternative tokens.
5008 Sun Jul 29 18:59:13 CEST 2001 Jan Hubicka <jh@suse.cz>
5010 * basic-block.h (CLEANUP_PRE_LOOP): New.
5011 * except.c (finish_eh_generation): Update call of cleanup_cfg.
5012 * sibcall.c (optimize_sibling_calls): Likewise.
5013 * toplev.c (rest_of_compilation): Likewise.
5014 * flow.c (try_forward_edges): Take argument MODE;
5015 do not forward over loop pre-headers if CLEANUP_PRE_LOOP.
5016 (try_optimize_cfg): Update call of try_forward_edges.
5018 Sun Jul 29 18:59:56 CEST 2001 Roman Zippel <zippel@linux-m68k.org>
5019 Jan Hubicka <jh@suse.cz>
5021 * (validate_replace_rtx_1): Fix simplification of MINUS.
5023 2001-07-29 Neil Booth <neil@daikokuya.demon.co.uk>
5025 PR preprocessor/3669
5026 * cppinit.c (init_dependency_output): Turn off dump requests
5027 if sending dependencies to stdout.
5029 2001-07-28 Richard Henderson <rth@redhat.com>
5031 * flow.c (life_analysis): Elide PROP_ALLOW_CFG_CHANGES if
5034 2001-07-28 Golubev I. N. <gin@mo.msk.ru>
5036 * config/i386/sco5.h (DWARF2_DEBUGGING_INFO): Define.
5038 2001-07-28 Kazu Hirata <kazu@hxi.com>
5040 * config/h8300/h8300.h (ENCODE_SECTION_INFO): Check to see if DECL
5041 is VAR_DECL first to prevent an ICE.
5043 2001-07-28 Richard Henderson <rth@redhat.com>
5045 * varasm.c (immed_real_const_1): Don't elide special cases for
5047 (clear_const_double_mem): Clear const_tiny_rtx too.
5049 2001-07-28 Richard Henderson <rth@redhat.com>
5051 * dwarf2out.c (dw_val_class_offset): New.
5052 (struct dw_ranges_struct, dw_ranges_ref): New.
5053 (ranges_table, ranges_table_allocated): New.
5054 (ranges_table_in_use, RANGES_TABLE_INCREMENT): New.
5055 (add_AT_offset, add_ranges, output_ranges): New.
5056 (print_die, output_die): Handle dw_val_class_offset.
5057 (attr_checksum, size_of_die, value_format): Likewise.
5058 (gen_lexical_block_die): Handle non-contiguous blocks.
5059 (gen_block_die): Likewise.
5060 (dwarf2out_finish): Add a DW_AT_entry_pc to the compilation unit
5061 if needed. Dump the ranges table.
5062 * final.c (final_start_function): Remove unnecessary notes and
5063 rebuild the block tree before numbering the blocks.
5064 * function.c (reorder_blocks_0): Walk the existing block tree
5065 to unmark all blocks.
5066 (reorder_blocks_1): Create block fragments when duplicate block
5068 (reorder_fix_fragments): New.
5069 (reorder_blocks): Call it.
5070 * tree.h (BLOCK_FRAGMENT_ORIGIN, BLOCK_FRAGMENT_CHAIN): New.
5072 2001-07-28 Richard Henderson <rth@redhat.com>
5074 * emit-rtl.c (adjust_address): Make a copy of the memory address.
5076 2001-07-28 Richard Henderson <rth@redhat.com>
5078 * flow.c (add_to_mem_set_list): New function.
5079 (init_propagate_block_info): Use it.
5080 (mark_set_1): Likewise.
5081 (insn_dead_p): Canonicalize memory address for dead store
5082 comparison. Allow wider mode stores to kill narrower mode stores.
5083 (invalidate_mems_from_autoinc): Use invalidate_mems_from_set.
5084 (invalidate_mems_from_set): Don't handle MEMs.
5086 2001-07-28 Kazu Hirata <kazu@hxi.com>
5088 * config/h8300/h8300.h: Fix formatting.
5090 Sat Jul 28 23:35:22 CEST 2001 Jan Hubicka <jh@suse.cz>
5092 * basic-block.h (EDGE_FREQUENCY): New macro.
5093 * bb-reorder (fixup_reorder_chain): Set counts and frequencies
5095 * flow.c (find_sub_basic_blocks): Likewise.
5096 (try_crossjump_to_edge): Likewise; use EDGE_FREQUENCY
5097 (redirect_edge_and_branch): Use EDGE_FREQUENCY.
5099 * predict.c (DEF_PREDICTOR): New argument FLAGS.
5100 (HITRATE): New macro.
5101 (PRED_FLAG_FIRST_MATCH): New constant.
5102 (predictor_info): New field flgags.
5103 (combine_predictions_for_insn): Use DS theory to combine
5104 probabilities; set the edge probabilities when finished.
5105 (estimate_probability): Avoid duplicated matches
5106 of LOOP_BRANCH heuristics for nested loops; update comment.
5107 * predict.def: Add flags for each prediction, set probabilities
5108 according to B&L paper.
5109 * predict.h (DEF_PREDICTOR): New argument FLAGS.
5111 * profile.c (compute_branch_probabilities): Cleanup way the edge
5112 probabilities are computed and REG_BR_PROB notes are dropped; if
5113 values does not match, emit error.
5114 (init_branch_prob): Do error instead of warning when profile driven
5115 feedback is missing or corrupt.
5117 2001-07-27 DJ Delorie <dj@redhat.com>
5119 * ifcvt.c (noce_get_alt_condition): If the condition is a compare
5120 against a constant, try to adjust the compare to have the desired
5121 constant in it so that min/max optimizations happen more often.
5123 Fri Jul 27 17:53:00 CEST 2001 Jan Hubicka <jh@suse.cz>
5125 * flow.c (last_loop_beg_note): New function.
5126 (redirect_edge_and_branch): Use it.
5127 (split_edge): Likewise.
5129 * alias.c (loop_p): Avoid uninitialized memory access.
5131 * flow.c (try_forward_edges): Avoid accessing freed memory.
5133 * flow.c (backward_edge_of_syntactic_loop_p): Avoid uninitialized
5136 2001-07-26 Andrew Haley <aph@redhat.com>
5137 Joern Rennecke <amylaar@redhat.com>
5139 * config/sh/linux.h (CPP_DEFAULT_CPU_SPEC): New.
5140 (SUBTARGET_CPP_ENDIAN_SPEC): New.
5141 (SUBTARGET_CPP_SPEC): New.
5143 * config/sh/sh.h (SUBTARGET_CPP_ENDIAN_SPEC): New.
5144 (SUBTARGET_CPP_PTR_SPEC): New.
5145 (CPP_DEFAULT_CPU_SPEC): New.
5146 (EXTRA_SPECS): Add SUBTARGET_CPP_ENDIAN_SPEC,
5147 SUBTARGET_CPP_PTR_SPEC, and CPP_DEFAULT_CPU_SPEC.
5148 (CPP_SPEC): Break out parts into SUBTARGET_CPP_ENDIAN_SPEC,
5149 SUBTARGET_CPP_PTR_SPEC, and CPP_DEFAULT_CPU_SPEC.
5150 (SUBTARGET_CPP_SPEC): Define as an empty string.
5152 2001-07-27 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5154 * doc/install.texi (Configuration): Properly link the host
5155 specific instructions also when generating HTML.
5157 Fri Jul 27 00:33:35 EDT 2001 John Wehle (john@feith.com)
5159 * flow.c (redirect_edge_and_branch_force): Test
5160 target->global_live_at_start.
5162 2001-07-26 Richard Henderson <rth@redhat.com>
5164 * simplify-rtx.c (avoid_constant_pool_reference): Export.
5165 * rtl.h (avoid_constant_pool_reference): Declare it.
5166 * dwarf2out.c (add_location_or_const_value_attribute): Use it.
5167 (add_const_value_attribute): Use add_AT_unsigned for unsigned values.
5169 Thu Jul 26 22:30:22 CEST 2001 Jan Hubicka <jh@suse.cz>
5171 * rtl.h (cleanup_barriers): Declare.
5172 * jump.c (cleanup_barriers): New function.
5173 * toplev.c (rest_of_compilation): Call cleanup_barriers
5174 before loop optimizer and after bb_reorder.
5176 * flow.c (back_edge_of_syntactic_loop_p): New.
5177 (split_edge): Use it.
5179 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5181 * glimits.h (_MACH_MACHLIMITS_H_): Delete.
5183 Thu Jul 26 22:22:21 2001 Denis Chertykov <denisc@overta.ru>
5185 * cse.c (cse_process_notes): Replace any registers if the address
5188 Thu Jul 26 14:04:03 EDT 2001 John Wehle (john@feith.com)
5190 * basic-block.h (PROP_ALLOW_CFG_CHANGES): Define.
5191 (PROP_FINAL): Include PROP_ALLOW_CFG_CHANGES.
5192 (propagate_block): Update prototype.
5193 * flow.c (update_life_info): Simplify the CFG and
5194 recalculate the global regs which are alive when
5195 removing dead code during a global update.
5196 (propagate_block): Return non-zero if an INSN is
5199 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5201 * Makefile.in (LIBICONV): Define.
5203 2001-07-26 Catherine Moore <clm@redhat.com>
5205 * config/v850/v850.h (ENCODE_SECTION_INFO): Change order
5206 of conditional to avoid tree checking errors.
5208 2001-07-26 Kazu Hirata <kazu@hxi.com>
5210 * regmove.c (regmove_optimize): Don't replace a reg with
5211 another reg of a different mode.
5213 2001-07-26 Andrew MacLeod <amacleod@redhat.com>
5215 * params.def (PARAM_MAX_PENDING_LIST_LENGTH): Add parameter to
5216 limit length of dependancy flush list.
5217 * params.h (MAX_PENDING_LIST_LENGTH): Define.
5218 * sched-int.h (struct deps): Add pending_flush_length field.
5219 * sched-deps.c (flush_pending_lists): Last_pending_memory_flush now
5220 has 1 element in it.
5221 (sched_analyze_1): Use MAX_PENDING_LIST_LENGTH.
5222 (sched_analyze): After a jump, if the pending memory flush list is too
5223 large, flush the pending lists.
5224 (init_deps): Initialize pending_flush_length to 0.
5225 * doc/invoke.texi (max_pending_list_length): Document parameter.
5227 2001-07-26 Neil Booth <neil@daikokuya.demon.co.uk>
5229 * toplev.c, varasm.c, final.c: Include xcoffout.h if appropriate.
5230 * dbxout.c (dbxout_global_decl): Move outside #ifdef.
5231 * Makefile.in (varasm.o, final.o, toplev.o): Update dependencies.
5233 2001-07-26 Neil Booth <neil@cat.daikokuya.demon.co.uk>
5235 * cpphash.h (struct_lexer_state): Delete was_skipping.
5236 Move skipping here from struct cpp_reader.
5237 * cpplex.c (parse_identifier): Update.
5238 (_cpp_lex_token): Don't skip tokens in a directive.
5239 * cpplib.c (struct if_stack): Update.
5240 (start_directive, end_directive): Don't change skipping state.
5241 (_cpp_handle_directive): Update.
5242 (do_ifdef, do_ifndef, do_if, do_elif): Similarly.
5243 (do_else, do_endif): Update; only check for excess tokens if not
5244 in a skipped conditional block.
5245 (push_conditional): Update for new struct if_stack.
5247 2001-07-26 Graham Stott <grahams@redhat.com>
5249 * function.c (locate_and_pad_parm): Also pad initial offset
5250 so that the total argument size also includes the padding.
5252 2001-07-26 Graham Stott <grahams@redhat.com>
5254 * gensupport.c (alter_output_for_insn): Correct enable checking failure
5255 change XSTR to XTMPL.
5257 (process_one_cond_exec): Likewise
5259 2001-07-25 Richard Henderson <rth@redhat.com>
5261 * varasm.c (assemble_variable): Create DECL_RTL before setting
5264 Thu Jul 26 00:19:30 CEST 2001 Jan Hubicka <jh@suse.cz>
5266 * predict.c (estimate_probability): Avoid duplicated predictions.
5268 * loop.c (find_and_verify_loops): Grok multiple barriers.
5270 Wed Jul 25 18:00:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5272 * config/alpha/alpha.c (print_operand, case '/'): Don't write '/'.
5274 * dbxout.c: Consistently use putc instead of fputc.
5275 (print_wide_int): New function; call instead of direct fprintf.
5276 (dbxout_type_index): Adjust calls of CHARS to be more accurate.
5277 (dbxout_type_fields, dbxout_type_method_1): Likewise.
5278 (dbxout_type_methods, dbxout_range_type, dbxout_type): Likewise.
5279 (print_int_cst_octal): Likewise.
5280 (print_octal): Show we wrote characters.
5281 (dbxout_type): Set have_used_extensions in more places.
5283 2001-07-25 Catherine Moore <clm@redhat.com>
5285 * config/v850/v850.c (v850_va_arg): Use addr
5286 instead of valist to build incr.
5288 Wed Jul 25 22:48:59 CEST 2001 Jan Hubicka <jh@suse.cz>
5290 * flow.c (delete_dead_jumptables): New function.
5291 (life_analyzis): Call it.
5292 * bb-reorder.c (skip_insns_after_block): Handle contradictory
5295 2001-07-25 Richard Henderson <rth@redhat.com>
5297 * except.c (reachable_handlers): Handle a region being removed
5298 out from under a RESX.
5300 2001-07-25 Richard Henderson <rth@redhat.com>
5302 * config/alpha/alpha.c (alpha_emit_conditional_move): Always
5303 swap GE/GT if it is an fp comparison.
5305 2001-07-25 Andrew Haley <aph@cambridge.redhat.com>
5307 * alias.c (rtx_equal_for_memref_p): Allow strings as types in
5310 Wed Jul 25 08:25:01 2001 Jeffrey A Law (law@cygnus.com)
5312 * ssa.c (rename_insn_1): Do not wrap an assignment to a
5313 paradoxical SUBREG inside a SEQUENCE. Fix minor formatting
5316 * ssa-ccp.c (visit_expression): Handle CALL_INSNs that can
5318 (visit_expression): When attempting to simplify an expression,
5319 retrieve any modes for arguments before they are simplified
5322 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
5323 Janis Johnson <janis@us.ibm.com>
5325 * stmt.c (expand_goto): A nonlocal goto can be a call too.
5326 * builtins.c (expand_builtin_longjmp): Reverse label and static chain
5327 pointer parameters to match documented usage of nonlocal_goto.
5328 * config/ia64/ia64.md (nonlocal_goto): Revert label and static chain
5329 parameters to their correct order.
5330 * config/sparc/sparc.md (nonlocal_goto): Revert label and static chain
5331 parameters to their correct order.
5333 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
5335 * config/ia64/ia64.h (STRIP_NAME_ENCODING): Strip out '*' as well.
5337 2001-07-25 Jan Hubicka <jh@suse.cz>
5338 Richard Henderson <rth@redhat.com>
5340 * flow.c (find_sub_basic_blocks): Fix handling of the last BB in
5342 (make_edges): New argument update_p; populate the edge cache if set.
5343 (find_basic_blocks): Update make_edges invocation.
5345 2001-07-24 Joel Sherrill <joel@OARcorp.com>
5347 * config/i960/i960.h (CPP_SPEC): Define _SOFT_FLOAT for -msoft-float.
5349 2001-07-24 Joel Sherrill <joel@OARcorp.com>
5351 * config/sparc/rtems.h (CPP_PREDEFINES): Remove redundant
5352 -Acpu and -Amachine.h.
5353 * config/sparc/rtemself.h (CPP_PREDEFINES): Likewise.
5354 Corrected header to say ELF not a.out.
5355 * config/sparc/sparc.h (CPP_CPU_SPEC): Define _SOFT_FLOAT
5356 when given -msoft-float.
5358 2001-07-24 Joel Sherrill <joel@OARcorp.com>
5360 * config.gcc (arm*-*-rtems*): Include crtinit.o and crtfini.o as
5361 extra multilib parts like arm-elf.
5362 (i960-*-coff*, i960-*-rtems): Should not use collect2.
5363 (m68020-*-elf*, m68k-*-elf*, m68k-*-rtems*): Include crtinit.o and
5364 crtfini.o as extra multilib parts.
5366 2001-07-24 Joel Sherrill <joel@OARcorp.com>
5368 * configure.in: Add rtems as a supported thread model.
5369 * gthr-rtems.h: Add missing entry point __gthread_active_p.
5370 * configure: Rebuilt.
5372 2001-07-24 Lars Brinkhoff <lars@nocrew.org>
5374 * stor-layout.c (get_mode_alignment): make it work when
5375 BITS_PER_UNIT is not a power of two.
5376 * builtins.c (get_pointer_alignment): Likewise.
5378 2001-07-24 Richard Henderson <rth@redhat.com>
5380 * simplify-rtx.c (avoid_constant_pool_reference): Coerce
5381 the retrieved constant into the expected mode.
5383 Wed Jul 25 01:41:27 CEST 2001 Jan Hubicka <jh@suse.cz>
5385 * flow.c (try_simplify_condjump): Avoid duplicated edges.
5386 (verify_flow_info): Check for duplicated edges; clarify
5389 * flow.c (block_label): Update basic_block_for_insn.
5390 (commit_edge_insertions): Call compute_bb_for_insn.
5392 * flow.c (purge_dead_edges): Handle conditional jumps and conditional
5395 * flow.c (redirect_edge_and_branch,
5396 try_optimize_cfg): Use redirect_edge_succ_nodup
5397 (redirect_edge_succ_nodup): New.
5398 * basic_block.h (redirect_edge_succ_nodup): Declare.
5400 * toplev.c (rest_of_compilation): Rebuild CFG before cfg_cleanup
5403 Wed Jul 25 00:32:49 CEST 2001 Jan Hubicka <jh@suse.cz>
5405 * flow.c (try_forward_edges): Accept fallthru edge; Update comment.
5406 (try_crossjump_to_edge): Update commetns.
5407 (try_crossjump_bb): Likewise.
5409 2001-07-24 Richard Henderson <rth@redhat.com>
5411 * combine.c (distribute_notes): Move set of need_refresh
5412 for noop_move_p down to catch all cases.
5414 Tue Jul 24 20:32:44 CEST 2001 Jan Hubicka <jh@suse.cz>
5416 * recog.c (split_all_insns_noflow): New.
5417 * rtl.h (split_all_insns_noflow): Declare.
5418 * ia64.c (ia64_reorg): Use split_all_insns_noflow.
5419 * m68hc11.c (m68hc11_reorg): Likewise.
5420 * sh.c (machine_dependent_reorg): Likewise.
5421 * toplev.c (rest_of_compilation): Likewise for last split_all_insns
5424 2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
5426 * config/sh/sh.md (ashlsi3_std splitter): Split only after reload.
5427 (ashlsi3_n splitter): Likewise.
5428 (lshrsi3_n splitter): Likewise.
5430 (GOTaddr2picreg): Make const SImode.
5431 (sym_label2reg): Likewise.
5432 (symGOT2reg): Likewise.
5433 (symGOTOFF2reg) Likewise.
5435 (casesi_worker_0): Make unspec SImode.
5437 2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
5439 * config/sh/sh.c (barrier_align): Check that an operand really is
5440 an insn before extracting its INSN_CODE.
5442 2001-07-24 Andrew Haley <aph@cambridge.redhat.com>
5444 * config/sh/sh.h (OVERRIDE_OPTIONS): Add braces to get rid of
5447 * config/sh/sh.h (INITIALIZE_TRAMPOLINE): Truncate operands
5448 for SImode to prevent overflow.
5450 2001-07-24 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5452 * config/mips/irix6-libc-compat.c: New file.
5453 * config/mips/t-iris6 (LIB2FUNCS_STATIC_EXTRA): Use it.
5454 * doc/install.texi (Specific, mips*-sgi-irix6): Mention structure
5457 2001-07-24 lars brinkhoff <lars@nocrew.org>
5459 * rtl.texi (REG_POINTER): Document.
5460 (Machine Modes): Document BImode, OImode, PQImode, PHImode,
5461 QFmode, HFmode, TQFmode, QCmode, and HCmode.
5463 Tue Jul 24 10:49:40 CEST 2001 Jan Hubicka <jh@suse.cz>
5465 * flow.c (delete_noop_moves): Do not confuse libcall regions.
5467 2001-07-23 Richard Henderson <rth@redhat.com>
5469 * flow.c (try_simplify_condjump): Use tidy_fallthru_edge.
5471 2001-07-23 Kazu Hirata <kazu@hxi.com>
5473 * config/h8300/h8300-protos.h: Add a prototype for
5474 general_operand_dst_push.
5475 * config/h8300/h8300.c (general_operand_dst_push): New.
5476 * config/h8300/h8300.h (OK_FOR_T): New.
5477 (EXTRA_CONSTRAINT): Use it.
5478 * config/h8300/h8300.md (movqi_push): Remove and integrate into
5479 the existing movqi pattern.
5480 (movhi_push): Likewise.
5482 * reload.c: Fix comment typos.
5484 Mon Jul 23 23:34:07 CEST 2001 Jan Hubicka <jh@suse.cz>
5486 * gcse.c (cprop_insn): Update call of cprop_cc0_jump.
5488 2001-07-23 H.J. Lu (hjl@gnu.org)
5490 * doc/extend.texi: Update __builtin_return_address and
5491 __builtin_frame_address.
5493 2001-07-23 Richard Henderson <rth@redhat.com>
5495 * config/i386/i386.c (ix86_expand_setcc): Don't use method 0
5497 * config/i386/i386.md: New setcc+movzbl peephole2.
5499 2001-07-23 Neil Booth <neil@cat.daikokuya.demon.co.uk>
5501 * objc/Make-lang.in (objc-act.o): Depend on debug.h.
5502 * objc/objc-act.c: Include debug.h.
5503 (synth_module_prologue): Save and restore debug hooks too.
5505 2001-07-23 lars brinkhoff <lars@nocrew.org>
5507 * tm.texi (TARGET_FLOAT_FORMAT): Document IBM_FLOAT_FORMAT
5508 and C4X_FLOAT_FORMAT.
5509 (BOOL_TYPE_SIZE): Document.
5511 Mon Jul 23 11:54:23 2001 Clinton Popetz <cpopetz@cpopetz.com>
5513 * unroll.c (loop_iterations): Fix miscalculation of initial
5516 2001-07-13 Andrew Haley <aph@redhat.com>
5518 * doc/tm.texi (MD_CAN_REDIRECT_BRANCH): New macro.
5519 * config/sh/sh.h (MD_CAN_REDIRECT_BRANCH): New macro.
5520 * config/sh/sh.c (sh_can_redirect_branch): New function.
5521 * config/sh/sh-protos.h (sh_can_redirect_branch): Declare.
5522 * reorg.c (steal_delay_list_from_target): Use
5523 MD_CAN_REDIRECT_BRANCH to see if redirection is possible.
5525 Mon Jul 23 17:20:18 CEST 2001 Jan Hubicka <jh@suse.cz>
5527 * flow.c (try_simplify_condjump): Unlink insn chain on
5528 fallthru edge; use can_fallthru.
5530 Mon Jul 23 16:03:19 CEST 2001 Jan Hubicka <jh@suse.cz>
5532 * basic-block.h (find_sub_basic_block): Declare.
5533 * flow.c (make_edges): New arguments MIN and MAX;
5534 (find_sub_basic_blocks): Revamp to use make_edges
5535 and purge_dead_edges.
5536 (find_basic_blocks): Update call of find_sub_basic_block.
5538 * recog.c (split_all_insns): Always expect CFG to be consistent;
5539 call find_sub_basic_blocks in case something has changed.
5540 * toplev.c (rest_of_compilation): Always call split_all_insns once CFG
5543 * basic-block.h (delete_noop_moves): Declare.
5544 * combine.c (combine_instructions): Call it.
5545 (recog_for_combine): Tolerate noop moves
5546 (distribute_notes): Force refresh when register dies at noop move.
5547 * flow.c (delete_noop_moves): Use BB structure; delete JUMP insns
5549 (life_analysis): Update delete_noop_moves call.
5550 (set_noop_p): Move too ...
5551 * rtlanal.c (noop_move_p): ... here.
5552 * rtl.h (noop_move_p): Declare.
5554 * basic-block.h (purge_all_dead_edges, purge_dead_edges): New functions.
5555 * toplev.c (rest_of_compilation): Conditionally call purge_all_dead_edges
5557 * gcse.c (cprop_cc0_jump, cprop_insn): New argument "basic_block".
5558 (cprop_jump): Likewise; call purge_dead_edges if substitution suceeded.
5560 2001-07-23 Hans-Peter Nilsson <hp@bitrange.com>
5562 * reload.c (push_reload): Fix typo in comment.
5563 (find_reloads_address): Ditto.
5564 (reg_overlap_mentioned_for_reload_p): Ditto in head comment.
5566 2001-07-22 Richard Henderson <rth@redhat.com>
5568 * flow.c: Grammar check and clarify a lot of comments.
5569 (try_simplify_condjump): Rename variables to be clearer.
5570 (try_forward_edges): Skip complex and fallthru edges.
5571 Rearrange tests to avoid duplicate checks.
5572 (flow_find_cross_jump): Likewise.
5573 (outgoing_edges_match): Allow match if neither branch has
5574 probability data. Loosen probability match to 5%.
5575 (try_crossjump_to_edge): Hoist repeated indirection into
5577 (try_crossjump_bb): Don't check complex edges. Eliminate
5578 redundant crossjump tests.
5579 (try_optimize_cfg): Fix use of bool. Reorganize cheaper
5580 checks before more expensive checks.
5582 2001-07-22 Richard Henderson <rth@redhat.com>
5584 * fold-const.c (fold): Test vs FLOAT_TYPE_P instead of
5585 INTEGRAL_TYPE_P when folding comparisons with operand_equal_p
5588 2001-07-22 Richard Henderson <rth@redhat.com>
5590 * m68k.c (const_uint32_operand): Abort if mode is <= 32 bits.
5591 (const_sint32_operand): Likewise.
5592 * m68k.md (anon mulsi pattern): Use const_int_operand not
5593 const_sint32_operand.
5594 (umulsi3_highpart): Zero extend a constant input.
5595 (smulsi3_highpart): Don't bother checking SImode constant.
5596 (const_umulsi3_highpart): Give op3 DImode.
5597 (const_smulsi3_highpart): Likewise.
5599 2001-07-22 Richard Henderson <rth@redhat.com>
5601 * flow.c (split_block): Make sure bb_note is included in the
5602 new block when splitting before a label.
5604 Sun Jul 22 23:28:56 CEST 2001 Jan Hubicka <jh@suse.cz>
5606 * basic-block.h (redirect_edge_and_branch_force,
5607 redirect_edge_and_branch, block_label, forwarder_block_p): Declare.
5608 * flow.c (redirect_edge_and_branch_force,
5609 redirect_edge_and_branch, block_label, forwarder_block_p): Make global.
5610 (redirect_edge_and_branch_force): Fix copying of lifeness information.
5611 (block_label): Handle EXIT_BLOCK_PTR by returning NULL.
5612 * ifcvt.c (dead_or_predictable): Take BB as an new destionation
5613 instead of label; update CFG after transformation.
5614 (find_if_case_1): Update call, use redirect_edge_and_branch_force
5615 for finishing the transformation; handle even case where ELSE
5616 does not follow THEN.
5617 (find_if_case_2): Update call of dead_or_predictable; simplify
5620 * emit-rtl.c (split_branch_probability): New global variable.
5621 (try_split): Take care to set split_branch_probability and
5622 create REG_BR_PROB note for new jump insns.
5623 * md.texi (define_split): Document new feature.
5625 * i386.c (ix86_split_fp_branch): Redistribute branch probability notes.
5627 2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
5629 * varasm.c: Don't inlcude dbxout.h, sdbout.h or xcoffout.h.
5630 (asm_out_file): Remove redundant declaration.
5631 (assemble_asm): Remove old #if 0 block.
5632 (assemble_variable): Remove end of function; debug output is
5633 now handled with global_decl. Remove old #if 0 block. Update.
5634 Remove saved_in_section and associated no-op code.
5635 * Makefile.in (varasm.o): Correct dependencies.
5637 Sun Jul 22 17:55:11 2001 Alexandre Oliva <aoliva@redhat.com>
5639 * config/i386/freebsd-aout.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
5640 the definition in defaults.h.
5642 Sun Jul 22 21:31:04 CEST 2001 Jan Hubicka <jh@suse.cz>
5644 * jump.c: Update comments.
5645 (delete_barrier_successors, delete_unreferenced_labels,
5646 delete_noop_moves, tension_vector_labels, delete_from_jump_chain,
5647 delete_labelref_insn, redirect_tablejump, jump_optimize_1,
5648 jump_optimize, jump_optimize_minimal): Kill.
5649 (rebuild_jump_labels): Move code from jump_optimize_1.
5650 (purge_line_number_notes): Likewise.
5651 (copy_loop_headers): Likewise.
5652 * reg-stack.c: Update comment.
5654 * rtl.h (jump_optimize, jump_optimize_1, JUMP_NOOP_MOVES,
5655 JUMP_AFTER_REGSCAN): Kill.
5656 * toplev.c (rest_of_compilation): Use cleanup_cfg, call
5657 purge_line_number_notes and copy_loop_headers.
5659 2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
5660 Richard Henderson <rth@redhat.com>
5662 * dbxout.c (dbxout_global_decl): New.
5663 (xcoff_debug_hooks, dbx_debug_hooks): Use it.
5664 * sdbout.c (sdbout_finish): New.
5665 (sdbout_debug_hooks): Use it, add comments.
5666 (sdbout_global_decl): Defer initialised public vars to
5668 * varasm.c (assemble_variable): Don't output debug information
5669 for file-scope variables.
5671 2001-07-22 Richard Henderson <rth@redhat.com>
5673 * config/alpha/alpha.c (get_trap_mode_suffix): New.
5674 (get_round_mode_suffix): New.
5675 (print_operand): Use them for [/]. Remove support for [&'`()+].
5676 * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Update.
5677 * config/alpha/alpha.md (attr round_suffix): New.
5678 (attr trap_suffix): New.
5679 (all insns): Set them appropriately. Use %/ instead of the
5682 2001-07-22 Neil Booth <neil@cat.daikokuya.demon.co.uk>
5684 * dbxout.c, sdbout.c, varasm.c: Revert most recent debug patch.
5686 2001-07-22 Richard Henderson <rth@redhat.com>
5688 * regrename.c (regrename_optimize): Compute nregs for each
5689 potential target register.
5691 2001-07-21 Neil Booth <neil@daikokuya.demon.co.uk>
5692 Richard Henderson <rth@redhat.com>
5694 * dbxout.c (dbxout_global_decl): New.
5695 (xcoff_debug_hooks, dbx_debug_hooks): Use it.
5696 * sdbout.c (sdbout_finish): New.
5697 (sdbout_debug_hooks): Use it, add comments.
5698 (sdbout_global_decl): Defer initialised public vars to
5700 * varasm.c (assemble_variable): Don't output debug information
5701 for file-scope variables.
5703 2001-07-21 H.J. Lu (hjl@gnu.org)
5705 * config/mips/mips.c (mips_cpu): Moved into ...
5706 (override_options): Here.
5708 * config/mips/mips.h (mips_cpu_attr): Replace mips_cpu with
5710 (mips_cpu): Removed.
5712 2001-07-21 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5714 * config/m68hc11/m68hc11.md ("andqi3"): Accept d as second operand.
5715 ("iorqi3"): Likewise.
5716 ("xorqi3"): Likewise.
5717 ("*addhi3"): Fix constraint to avoid reloading in a soft register.
5718 ("*subhi3_sp): Likewise.
5719 ("*subhi3"): Likewise.
5720 ("extendhisi2"): Accept D, X and Y as source operand to avoid
5723 2001-07-21 Nathan Sidwell <nathan@codesourcery.com>
5725 * doc/tm.texi: Remove DEFAULT_VTABLE_THUNKS.
5726 * config/freebsd.h: Likewise.
5727 * config/linux.h: Likewise.
5728 * config/openbsd.h: Likewise.
5729 * config/alpha/linux-elf.h: Likewise.
5730 * config/arm/linux-elf.h: Likewise.
5731 * config/d30v/d30v.h: Likewise.
5732 * config/fr30/fr30.h: Likewise.
5733 * config/ia64/aix.h: Likewise.
5734 * config/ia64/ia64.h: Likewise.
5735 * config/mips/linux.h: Likewise.
5736 * config/pj/pj.h: Likewise.
5737 * config/rs6000/linux.h: Likewise.
5738 * config/sparc/linux.h: Likewise.
5739 * config/sparc/linux64.h: Likewise.
5741 2001-07-20 Bruce Korb <bkorb@gnu.org>
5743 * fixinc/fixincl.c(test_for_changes): force unsigned char comparisons
5744 because getc() and char* may disagree on signedness.
5746 2001-07-20 Richard Henderson <rth@redhat.com>
5748 * doc/rtl.texi (REG_DEAD): Update for current semantics.
5750 * flow.c (try_redirect_by_replacing_jump): Correctly compute which
5751 insns to delete in the presence of cc0 in a jump insn.
5753 Fri Jul 20 22:14:49 CEST 2001 Roman Zippel <zippel@linux-m68k.org>
5754 Jan Hubicka <jh@suse.cz>
5756 * m68k.md (zero_extend?i?i2 expander): Use gen_lowpart instead
5757 of doing the change by hand.
5759 Fri Jul 20 21:59:42 CEST 2001 Jan Hubicka <jh@suse.cz>
5761 * rtlanal.c (set_noop_p): Return true for noop jumps.
5763 * expr.c (emit_single_push_insn): Add call to push expander.
5764 * expr.h (optab_index): Add OTI_push
5765 (push_optab): New constant.
5766 * genopinit.c (optabs): Add push_optab.
5767 * optabs.c (init_optab): Init push optab.
5768 * md.texi (push??1): Document
5770 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5772 * config/m68hc11/m68hc11.md ("movdi", "movdi_internal"): Use an
5773 expand to emit the pattern; put a REG_INC note for push/pop
5775 ("movdf", "movdf_internal"): Likewise.
5776 ("movsi", "movsi_internal"): Likewise.
5777 ("movsf", "movsf_internal"): Likewise.
5778 ("movhi", "movqi"): Emit a REG_INC note for push/pop instructions.
5780 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5782 * config/m68hc11/m68hc11.c (m68hc11_gen_highpart): Don't use
5785 2001-07-20 Daniel Berlin <dan@cgsoftware.com>
5787 * params.def: Change default max inline insns to 100.
5789 2001-07-20 Diego Novillo <dnovillo@redhat.com>
5791 * combine.c (combine_simplify_rtx): Generate a new shift operation
5792 when simplifying the first operand of a (neg (ashift)) expression.
5794 2001-07-20 Roman Lechtchinsky <rl@cs.tu-berlin.de>
5796 * regclass.c (N_REG_INTS): Use only 32 bits per element.
5798 2001-07-20 Kelley Cook <kelley.cook@home.com>
5800 * doc/install.texi (sparc-sun-solaris*): Add in 4.x assembler bug
5801 information. Move rest into ...
5802 (*-*-solaris): ... here. Eliminate redundant information and
5803 reword necessary packages section. Delete 4.x assembler bug info.
5804 (sparc-sun-*): Merge into ...
5805 (sparc-sun-sunos*): here.
5807 2001-07-20 Catherine Moore <clm@redhat.com>
5809 * config/v850/v850.md (casesi): Generate LABEL_REF
5812 Fri Jul 20 14:12:57 CEST 2001 Jan Hubicka <jh@suse.cz>
5814 * i386-protos.h (ix86_zero_extend_to_Pmode): Declare.
5815 * i386.c (ix86_zero_extend_to_Pmode): Make global.
5816 * i386.md (strclrsi expander): Use it.
5818 Fri Jul 20 13:24:16 CEST 2001 Jan Hubicka <jh@suse.cz>
5820 * integrate.c (copy_insn_list): handle
5821 NOTE_INSN_DELETED_LABEL, as if it were CODE_LABEL.
5822 (copy_rtx_and_substitute): Likewise; behave to NOTE_INSN_DELETED_LABEL
5823 identically as to CODE_LABEL.
5825 * fold-const (fold): Convert A/B/C to A/(B*C) and
5828 * except.c (connect_post_landing_pads): Delete the RESX insns.
5830 2001-07-20 Aldy Hernandez <aldyh@redhat.com>
5832 * config/mips/mips.h (ISA_HAS_NMADD_NMSUB): New macro.
5834 * config/mips/mips.md (nmadd/nmsub): Use macro.
5836 2001-07-20 Nathan Sidwell <nathan@codesourcery.com>
5838 * cppinit.c (remove_dup_dir): Make static.
5839 (remove_dup_dirs): Make static. Only warn about preempting a
5840 system directory with a non-system directory.
5842 2001-07-19 Geoffrey Keating <geoffk@redhat.com>
5844 * ifcvt.c (noce_try_store_flag_constants): Correct order
5845 of parameters to trunc_int_for_mode.
5847 2001-07-19 Mark Mitchell <mark@codesourcery.com>
5849 * reorg.c (fill_simple_delay_slots): If an instruction might throw
5850 an exception that will be caught within this function, do not fill
5851 its delay slot with any subsequent instruction.
5853 2001-07-19 Steve Ellcey <sje@cup.hp.com>
5855 * tm.texi (POINTERS_EXTEND_UNSIGNED) Modify definition.
5856 * optabs.c (can_extend_p) Check HAVE_ptr_extend for a specialized
5857 pointer extension instruction.
5858 * combine.c (nonzero_bits,num_sign_bit_copies) Likewise.
5859 * simplify-rtx.c (simplify_unary_operation) Likewise.
5860 * explow.c (convert_memory_address) Check value of
5861 POINTERS_EXTEND_UNSIGNED to avoid some conversions when
5863 * config/ia64/t-hpux (LIBGCC, INSTALL_LIBGCC, MULTILIB_OPTIONS,
5864 MULTILIB_DIRNAMES, MULTILIB_MATCHES) Add multilib support.
5865 * config/ia64/hpux.h (CPP_SPEC, ASM_SPEC, SUBTARGET_SWITCHES)
5866 Add Multilib Support.
5867 (POINTERS_EXTEND_UNSIGNED) Define for ILP32 support.
5868 * config/ia64/ia64.h (MASK_ILP32, TARGET_ILP32, SUBTARGET_SWITCHES)
5869 Add Multilib Support.
5870 (POINTER_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE) Modify for ILP32
5872 * config/ia64/ia64.c (rtx_needs_barrier) Add support for addp4.
5873 * config/ia64/ia64.md (ptr_extend) New instruction to "swizzle"
5874 a 32 bit HP-UX pointer into a 64 bit HP-UX pointer.
5876 2001-07-19 Alexandre Oliva <aoliva@redhat.com>
5878 * simplify-rtx.c (simplify_replace_rtx): Try to obtain mode from
5879 old and new operands in `<', `3' and `b'.
5881 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
5883 * Makefile.in (emit-rtl.o, c-decl.o): Depend on debug.h.
5884 (final.o): Don't depend on xcoffout.h, dbxout.h or sdbout.h.
5885 (toplev.o): Don't depend on xcoffout.h.
5886 * c-decl.c: Include debug.h
5887 (duplicate_decls): Use debug hook.
5888 * dbxout.c (dbxout_source_file, dbxout_args): Make static.
5889 (dbx_debug_hooks, xcoff_debug_hooks): Update.
5890 (dbxout_types): Remove.
5891 * dbxout.h (dbxout_source_file, dbxout_types, dbxout_args): Remove.
5892 * debug.c (do_nothing_debug_hooks): Update.
5893 (debug_true_tree, debug_nothing_rtx): New.
5894 * debug.h (struct rtx_def): New.
5895 (struct gcc_debug_hooks): New hooks ignore_block,
5896 outlining_inline_function and label.
5897 (debug_true_tree, debug_nothing_rtx, dwarf2out_frame_init,
5898 dwarf2out_frame_finish): New.
5899 * dwarf2out.c (dwarf2out_ignore_block, dwarf2out_abstract_function):
5900 Make static, update prototype.
5901 (dwarf2_debug_hooks): Update.
5902 * dwarf2out.h (dwarf2out_ignore_block, dwarf2out_abstract_function,
5903 dwarf2out_frame_init, dwarf2out_frame_finish): Remove.
5904 * dwarfout.c (dwarf_debug_hooks): Update.
5905 * emit-rtl.c: Include debug.h.
5906 (remove_unnecessary_notes): Use debug hook.
5907 * final.c: Don't include dbxout.h, xcoffout.h or sdbout.h.
5908 (final_scan_insn): Use debug hook.
5909 * integrate.c (output_inline_function): Use debug hook.
5910 * sdbout.c (sdbout_toplevel_data, sdbout_label): Make static.
5911 (sdb_debug_hooks): Update.
5912 * sdbout.h (sdbout_label, sdbout_toplevel_data): Remove.
5913 * toplev.c: Don't include xcoffout.h.
5914 (note_outlining_of_inline_function, debug_ignore_block): Remove.
5915 * toplev.h (note_outlining_of_inline_function, debug_ignore_block):
5917 * tree.h (dwarf2out_do_frame): Remove.
5919 2001-07-19 Catherine Moore <clm@cygnus.com>
5921 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Restore.
5923 2001-07-19 Geoffrey Keating <geoffk@redhat.com>
5925 * reload1.c (eliminate_regs_in_insn): When updating a set
5926 to the frame pointer to the hardware frame pointer, perform
5927 the update always not just when REPLACE is set.
5929 * reload1.c (choose_reload_regs): Don't inherit a reload
5930 that crosses multiple registers if registers past the first
5931 don't fit in the desired class.
5933 * ifcvt.c (noce_try_store_flag_constants): Use trunc_int_for_mode
5934 when negating constants.
5936 2001-07-19 Toon Moene <toon@moene.indiv.nluug.nl>
5938 * tree.def: Document restriction on {L|R}SHIFT_EXPR's second argument.
5939 * doc/tree.texi: Ditto.
5941 2001-07-19 Mark Kettenis <kettenis@wins.uva.nl>
5942 Jakub Jelinek <jakub@redhat.com>
5944 * unwind-dw2.c (_Unwind_FrameState): Add eh_ptr.
5945 (extract_cie_info): Handle "eh" augmentation properly,
5947 (struct frame_state, __frame_state_for): New.
5949 2001-07-19 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5951 * config/alpha/osf.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL,
5952 HANDLE_SYSV_PRAGMA): Define.
5953 * mips-tfile.c (add_ext_symbol): Pass complete symbol ptr, inline
5955 (copy_object): Caller changed.
5957 2001-07-19 Andreas Schwab <schwab@suse.de>
5959 * configure.in (assembler dwarf2 debug_line support): Define nop
5961 * configure: Regenerated.
5963 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
5965 * Makefile.in (toplev.o, dwarfout.o, final.o): Don't depend on
5967 * dbxout.c (dbxout_function): Rename dbxout_funciton_decl, move
5968 to conditionally compiled block.
5969 (dbx_debug_hooks, xcoff_debug_hooks): Update.
5970 * dbxout.h (dbxout_function): Remove.
5971 * debug.c (do_nothing_debug_hooks): Update.
5972 * debug.h (struct gcc_debug_hooks): New hooks function_decl,
5973 global_decl, deferred_inline_function.
5974 * dwarf2out.c (dwarf2_debug_hooks): Update.
5975 (dwarf2out_global_decl): New.
5976 * dwarfout.c: Don't include dwarfout.h.
5977 (dwarfout_global_decl, dwarfout_function_decl,
5978 dwarfout_deferred_inline_function): New.
5979 (dwarf_debug_hooks): Update.
5980 * dwarfout.h: Remove.
5981 * final.c: Don't include dwarfout.h.
5982 * sdbout.c (sdbout_global_decl): New.
5983 (sdbout_debug_hooks): Update.
5984 * toplev.c: Don't include dwarfout.h.
5985 (check_global_declarations, rest_of_compilation): Use new debug hooks.
5986 (note_deferral_of_defined_inline_function): Remove.
5987 * toplev.h (note_deferral_of_defined_inline_function): Remove.
5988 * ch/Makefile.in (lex.o): No dependence on dwarfout.h.
5989 * ch/lex.c: Don't include dwarfout.h.
5990 * cp/Make-lang.in (decl2.o): No dependence on dwarfout.h, dwarf2out.h.
5991 (semantics.o, optimize.o): Depend on debug.h not dwarfout.h.
5992 * cp/decl2.c: Don't include dwarfout.h and dwarf2out.h.
5993 * cp/optimize.c: Include debug.h.
5994 (maybe_clone_body): Use debug hook.
5995 * cp/semantics.c: Include debug.h.
5996 (expand_body): Use debug hook.
5997 * po/POTFILES.in: Remove dwarfout.h.
5999 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
6001 * c-lex.c (c_lex): Remove CPP_INT, CPP_FLOAT cases.
6002 * c-parse.in (yyerror, _yylex): Similarly.
6003 * cppexp.c (parse_number, parse_defined, lex, _cpp_parse_expr):
6004 Don't use CPP_INT, CPP_FLOAT; CPP_NUMBER is enough.
6006 * cpplib.h (CPP_INT, CPP_FLOAT): Remove.
6007 * cp/spew.c (read_token, yyerror): Remove CPP_INT, CPP_FLOAT cases.
6009 2001-07-18 Jeff Sturm <jsturm@one-point.com>
6011 * dwarf2out.c (dwarf2out_abstract_function): Don't emit
6012 in-class declaration at -g1. Fixes c++/2814.
6014 2001-07-18 Richard Henderson <rth@redhat.com>
6016 * doc/md.texi (reload_in/out): Document restrictions in predicates
6017 and constraints for these patterns. Document empty string matching
6020 2001-07-18 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6022 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Check for ASM_WEAKEN_LABEL.
6024 Wed Jul 18 20:47:36 CEST 2001 Jan Hubicka <jh@suse.cz>
6026 * cse.c: Undo my previous patch.
6028 2001-07-18 Tom Tromey <tromey@redhat.com>
6031 * configure: Rebuilt.
6032 * configure.in: Don't check for iconv.h or iconv(); use AM_ICONV
6034 * aclocal.m4 (AM_ICONV): New macro from Bruno Haible.
6036 Wed Jul 18 18:46:30 CEST 2001 Richard Henderson <rth@cygnus.com>
6037 Jan Hubicka <jh@suse.cz>
6039 * flow.c (redirect_edge_and_branch): Bail out on complex edges.
6040 (try_optimize_cfg): Do not remove tail recursive labels before sibcall.
6041 * jump.c (mark_jump_label): Do not forward branches.
6043 Wed Jul 18 18:35:01 CEST 2001 Jan Hubicka <jh@suse.cz>
6045 * cse.c (delete_trivially_dead_insns): Delete the libcall block
6046 when return value is unused.
6048 Wed Jul 18 18:28:16 CEST 2001 Jan Hubicka <jh@suse.cz>
6050 * gcse.c (pre_insert_copy_insn): Call update_ld_motion_stores.
6052 Wed Jul 18 12:05:29 2001 Nicola Pero <n.pero@mi.flashnet.it>
6054 * gthr-posix.h (__gthread_objc_mutex_trylock): Fixed return value
6055 on error. We can't blindly return the result of
6056 pthread_mutex_trylock because it returns a positive number on
6057 error, while we must return -1 on error.
6058 (__gthread_objc_mutex_lock, __gthread_objc_mutex_unlock): Similar
6060 Reported by Stephen Brandon <stephen@brandonitconsulting.co.uk>.
6062 2001-07-18 Andreas Jaeger <aj@suse.de>
6064 * integrate.c (output_inline_function): Correct type of debug_hooks.
6066 2001-07-18 Toon Moene <toon@moene.indiv.nluug.nl>
6068 * combine.c (combine_simplify_rtx): DIV can be treated
6069 associatively for floats if unsafe math optimisations are enabled.
6071 2001-07-17 Richard Henderson <rth@redhat.com>
6073 * reload.c (push_secondary_reload): Accept empty-string for ALL_REGS.
6075 2001-07-17 Richard Henderson <rth@redhat.com>
6077 * calls.c (prepare_call_address): New parameter SIBCALLP. If true,
6078 don't force the function address into a register.
6079 (expand_call, emit_library_call_value_1): Update callers.
6080 * builtins.c (expand_builtin_apply): Likewise.
6081 * expr.h (prepare_call_address): Update decl.
6083 2001-07-17 Chandrakala Chavva <cchavva@redhat.com>
6085 * config.gcc: For *-*-chorusos triplet, get chorus.h file from
6087 * config/i386/chorus.h: Move up.
6088 * config/sparc/chorus.h: Likewise.
6089 * config/rs6000/chorus.h: Likewise.
6090 * config/chorus.h: Moved here.
6092 2001-07-17 Andreas Schwab <schwab@suse.de>
6094 * configure.in (assembler eh_frame optimization): Handle big
6096 * configure: Regenerated.
6098 Tue Jul 17 23:43:31 CEST 2001 Jan Hubicka <jh@suse.cz>
6100 * expr.c (epxand_expr): Convert divisions into multiplications by
6101 reciprocals if -ffast-math.
6103 2001-07-17 Neil Booth <neil@daikokuya.demon.co.uk>
6105 * dbxout.c (dbxout_really_begin_function): Rename to
6106 dbxout_begin_function.
6107 (dbx_debug_hooks, xcoff_debug_hooks): Update.
6108 (dbxout_begin_function): Remove.
6109 (dbxout_function): Update.
6110 (dbxout_source_line): Update prototype.
6111 * dbxout.h (dbxout_begin_function): Remove.
6112 * debug.c (do_nothing_debug_hooks): Update.
6113 (debug_nothing_tree): Update.
6114 (debug_nothing_charstar_rtx): Remove.
6115 * debug.h (union tree_node): Declare.
6116 (struct rtx_def): Remove.
6117 (gcc_debug_hooks): New hooks begin_prologue, end_prologue,
6118 begin_function. Change source_line prototype.
6119 (debug_nothing_tree): New.
6120 (debug_nothing_charstar_rtx): Delete.
6121 (dwarf2out_begin_prologue): Moved from ...
6123 * dwarf2out.c (dwarf2_debug_hooks): Update.
6124 (dwarf2out_begin_prologue): Update prototype. If genuine dwarf2
6125 debug info, call dwarf2out_source_line.
6126 (dwarf2out_souce_line): Update prototype.
6127 * dwarfout.c (dwarfout_begin_function): Rename dwarfout_end_prologue.
6128 Change prototype, make static.
6129 (dwarfout_source_line): Update prototype.
6130 (dwarf_debug_hooks): Update.
6131 * dwarfout.h (dwarfout_begin_function): Remove.
6132 * final.c (final_start_function, final_scan_insn): Use appropriate
6133 debug hooks, update to use notice_source_line.
6134 (output_source_line): Rename notice_source_line. Don't call the
6135 source_line debug hook.
6136 * sdbout.c (sdbout_begin_function): Rename sdbout_begin_prologue,
6137 make static, update prototype.
6138 (sdbout_mark_begin_function): Rename sdbout_begin_function, update
6140 (sdbout_end_prologue): New.
6141 (sdbout_source_line): Update prototype.
6142 (sdbout_debug_hooks): Update.
6143 (sdbout_symbol): Remove unused var.
6144 * sdbout.h (sdbout_begin_function, sdbout_mark_begin_function):
6146 * varasm.c: Include debug.h.
6147 (assemble_start_function): Use begin_function debug_hook.
6148 * xcoffout.c (xcoffout_begin_prologue): Rename xcoffout_begin_function,
6149 update with prototype.
6150 (xcoffout_source_line): Update prototype.
6151 * xcoffout.h (xcoffout_begin_prologue): Rename xcoffout_begin_function,
6153 (xcoffout_source_line): Update prototype.
6155 2001-07-17 Richard Henderson <rth@redhat.com>
6157 * c-typeck.c (build_binary_op): Do not shorten unsigned
6158 right shift after sign extension.
6160 Tue Jul 17 16:56:05 CEST 2001 Jan Hubicka <jh@suse.cz>
6162 * combine.c (combine_simplify_rtx): Attempt to simplify
6163 a*(b/c) as (a*b)/c for floats in unsafe_math mode.
6165 * simplify-rtx.c (avoid_constatn_pool_reference): New static function.
6166 (simplify_binary_operation, simplify_unary_operation,
6167 simplify_relational_operation): Use it.
6169 * combine.c (combine_simplify_rtx): Don't do associative law
6170 on divisions; allow associative law on floats.
6172 2001-07-17 H.J. Lu <hjl@gnu.org>
6173 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6175 * c-pragma.h (HANDLE_PRAGMA_WEAK): Define iff ASM_WEAKEN_LABEL and
6176 ASM_OUTPUT_WEAK_ALIAS are defined.
6177 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Define if possible.
6178 * config/mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL):
6180 * config/mips/iris5.h: ... here.
6181 (HANDLE_SYSV_PRAGMA): Defined as 1.
6182 * varasm.c (weak_finish): Use ASM_OUTPUT_WEAK_ALIAS.
6183 * doc/tm.texi (ASM_OUTPUT_WEAK_ALIAS): Support the undefined weak
6186 2001-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
6188 * c-parse.in (all_prefix_attributes): New variable.
6189 (PUSH_DECLSPEC_STACK, POP_DECLSPEC_STACK): New macros.
6190 (maybe_resetattrs): New production.
6191 (c_parse_init, datadef, fndef, datadecl, setspecs, setattrs, decl,
6192 maybe_type_quals_setattrs, initdecls, notype_initdecls, initdcl,
6193 notype_initdcl, nested_function, notype_nested_function,
6194 component_decl, components, components_notype,
6195 component_declarator, component_notype_declarator,
6196 absdcl_maybe_attribute, parm, firstparm, setspecs_fp, ivar_decl,
6197 ivars, mydecl, myparm): Update. Avoid prefix attributes just
6198 after a comma being applied to more than one declarator.
6199 * doc/extend.texi (Attribute Syntax): Update. Remove
6200 documentation of bugs that are no longer present.
6202 2001-07-13 Eric Christopher <echristo@redhat.com>
6204 * config/mips/mips.h: Change TUNE_MIPS* options to use
6206 (EXTRA_SPECS): Add cc1_cpu_spec.
6207 * config/mips/mips.md (muldf3): Fix typo.
6209 2001-07-16 Richard Henderson <rth@redhat.com>
6211 * config/m68k/m68k.c: Include expr.h and reload.h.
6212 (print_operand_address) [16 bit int]: Cast INTVAL to int for %d.
6213 [general int]: Use HOST_WIDE_INT_PRINT_DEC.
6215 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
6216 Richard Henderson <rth@redhat.com>
6218 * cse.c (set_live_p): Take INSN argument for cc0; update callers.
6219 (insn_live_p): Fix fall off end of function.
6220 (dead_libcall_p): Remove COUNTS argument; update callers.
6221 (delete_trivially_dead_insns): Remove unused variables.
6223 2001-07-17 Andreas Jaeger <aj@suse.de>
6225 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix output format for
6228 * lcm.c (optimize_mode_switching): Avoid warning for unused
6229 variable if !NORMAL_MODE.
6231 * flow.c (try_crossjump_to_edge): Remove unused variable.
6233 2001-07-16 John David Anglin <dave@hiauly1.hia.nrc.ca>
6235 * inclhack.def (ultrix_atexit_param): New hack to fix ultrix 4.3
6236 atexit declaration in stdlib.h.
6238 2001-07-16 Richard Begg <Richard.Begg@colesmyer.com.au>
6240 * fixinc/inclhack.def(hpux_vsnprintf): brokenness in stdio.h
6242 Mon Jul 16 22:48:00 CEST 2001 Jan Hubicka <jh@suse.cz>
6244 * basic-block.h (CLEANUP_PRE_SIBCALL): New constant.
6245 * except.c (finish_eh_generation): Update call of cleanup_cfg;
6246 do rebuild_jump_labels instead of jump_optimize
6247 * sibcall.c (optimize_sibling_and_tail_recursive_call): Likewise.
6248 * toplev.c (rest_of_compulation): Likewise for -Wreturn_type.
6249 * flow.c (try_optimize_cfg): Remove unneeded code_labels.
6251 * flow.c: Include timevar.h
6252 (find_basic_block): Push/pop timevar;
6253 (cleanup_cfg): Likewise.
6254 * timevar.def (TV_CFG, TV_CLEANUP_CFG): New.
6255 * Makefile: Add dependencies on timevar.h
6257 * integrate.c (save_for_inline): Kill all BASIC_BLOCK notes.
6258 (copy_insn_list): Avoid killing of BASIC_BLOCK notes.
6260 * rtl.h (delete_trivially_dead_insns): Add new parameter.
6261 * toplev.c (rest_of_compilation): Update calls.
6262 * cse.c (set_live_p, insn_live_p, dead_libcall_p): Break out from ...
6263 (delete_trivially_dead_insns): ... here; accept new argument
6264 preserve_basic_blocks; preserve basic blocks if set.
6266 * reg-stack.c (stack_regs_mentioned): Return 0 if
6267 stack_regs_mentioned_data is not initialized.
6268 (reg_to_stack): Make stack_regs_mentioned survive after the
6269 reg-stack is completted; do not call cleanup_cfg.
6270 * toplev.c (rest_of_compilation): Do cleanup_cfg before bb-reorder;
6271 make cleanup_cfg after bb-reorder to output to debug file.
6273 2001-07-16 Richard Henderson <rth@redhat.com>
6275 * regclass.c (init_reg_sets): Use only 32 bits per initializer
6276 from int_reg_class_contents.
6278 2001-07-16 Richard Henderson <rth@redhat.com>
6280 * hard-reg-set.h (regs_invalidated_by_call): Declare.
6281 * regclass.c (regs_invalidated_by_call): Move from cse.c.
6282 (init_reg_sets_1): Move initialization from cse_main.
6283 * cse.c (regs_invalidated_by_call): Move to regclass.c.
6284 (cse_main): Move its initialization also.
6285 * df.c (df_insn_refs_record): Use regs_invalidated_by_call.
6286 * flow.c (propagate_one_insn): Likewise.
6287 * gcse.c (compute_hash_table): Likewise.
6288 (compute_kill_rd, compute_store_table): Likewise.
6289 * sched-deps.c (sched_analyze_1): Likewise.
6291 Mon Jul 16 18:07:07 2001 J"orn Rennecke <amylaar@redhat.com>
6293 * gcse.c (pre_insert_copy_insn): Use gen_move_insn instead of
6296 2001-07-16 Steve Ellcey <sje@cup.hp.com>
6298 * dominance.c (calc_dfs_tree_nonrec): Reverse order of tests
6299 in if statement so we don't access undefined memory.
6301 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
6303 * gcse.c: Update comment at top.
6304 Update comment on mem handling.
6305 mem_last_set, mem_first_set, mem_set_in_block: gone.
6306 Declaration of reg_set_info: gone.
6307 (oprs_unchanged_p): Don't use mem_*set_* anymore. They are
6308 pointless with load_killed_in_block_p (they are *more*
6309 conservative then it, not less, and less accurate).
6310 (oprs_not_set_p): Ditto.
6311 (alloc_gcse_mem): Don't allocate mem_set_in_block
6312 (free_gcse_mem): Don't free it, either.
6313 (record_last_mem_set_info): Update comment in front, remove
6314 mem_*set_* stuff. Note the reason we don't handle stores directly
6316 (compute_hash_table): Update comments to reflect reality. Remove
6317 mem_*set_* references.
6318 (reset_opr_set_tables): Remove mem_*set_* references.
6320 (mark_set): Ditto. Also remove double sets of bitmaps for REG's.
6321 (mark_clobber): Ditto (on both parts, we double set here too).
6322 (expr_killed_p): Remove mem_set_in_block test.
6323 (compute_transp): Remove mem_set_in_block test.
6325 * ssa-ccp.c: (optimize_unexecutable_edges): Add note about removal
6326 of edge, and removal of phi alternative to dump file.
6327 (ssa_ccp_substitute_constants): Add note about register now being
6328 constant, and which uses were replaced in what insns to dump file.
6330 2001-07-16 Andreas Jaeger <aj@suse.de>
6332 * gcov.c (output_data): Use HOST_WIDEST_INT_PRINT_DEC to output
6333 variables of type HOST_WIDEST_INT.
6335 * libgcc2.c (__bb_exit_func): Handle gcov_type as long long.
6336 (__bb_exit_func): Correct type of count_max to avoid overflow.
6337 (num_digits): Handle long long argument.
6339 * combine.c (gen_lowpart_for_combine): Remove unused variable.
6341 2001-07-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
6343 * output.h (sdb_begin_function_line): Restore as an extern
6345 * sdbout.c (sdb_begin_function_line): Make extern.
6347 2001-07-15 Richard Henderson <rth@redhat.com>
6349 * machmode.def (Pmode): Redefine if GENERATOR_FILE.
6350 * genrecog.c (maybe_both_true_mode): New.
6351 (maybe_both_true_2): Use it.
6352 (write_switch): Don't put Pmode in a switch.
6353 * rtl.c (mode arrays): Don't explicitly size them.
6355 Sun Jul 15 14:07:36 CEST 2001 Jan Hubicka <jh@suse.cz>
6357 * toplev.c (rest_of_compilation): Fix register_life_up_to_date
6358 handling; move unconditional splitting before mode switching.
6360 * i386.md (type): Add fistp type.
6361 (i387, length_attr, scheduling definitions): Handle this type.
6362 (fix_trunc?f?i2): Revamp to use mode switching.
6363 (fix_trunct?f?i_nonmemory, fix_trunc?f?i_memory): New patterns.
6364 * i386.h (fp_cw_mode): New enum
6365 (OPTIMIZE_MODE_SWITCHING, NUM_MODES_FOR_MODE_SWITCHING, MODE_NEEDED,
6366 MODE_PRIORITY_TO_MODE, ENUM_MODE_SET): New macros.
6368 Sun Jul 15 12:53:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6370 * Makefile.in (integrate.o): Add debug.h.
6371 * integrate.c (debug.h): Add.
6372 (output_inline_function): Save, reset, and restore debug_hooks.
6374 2001-07-15 Richard Henderson <rth@redhat.com>
6376 * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use CCmode
6377 instead of COMPARE for the EQUIV expression.
6379 2001-07-15 Richard Henderson <rth@redhat.com>
6381 * flow.c (redirect_edge_and_branch_force): Initialize
6382 global_live_at_start and global_live_at_end.
6383 (allocate_bb_life_data): Export.
6384 * basic-block.h (allocate_bb_life_data): Declare.
6385 * toplev.c (rest_of_compilation): Call it.
6387 2001-07-15 Richard Henderson <rth@redhat.com>
6389 * config/alpha/alpha.c (alpha_tablejump_addr_vec): New.
6390 (alpha_tablejump_best_label): New.
6391 * config/alpha/alpha-protos.h: Declare them.
6392 * config/alpha/alpha.md: Use braced strings for code blocks.
6393 (tablejump_osf): Break out add with r29.
6394 (tablejump_osf_internal): Remove.
6395 (tablejump_osf_nt_internal): Rename from tablejump_nt_internal,
6396 use alpha_tablejump_addr_vec and alpha_tablejump_best_label.
6398 Sun Jul 15 00:53:35 CEST 2001 Jan Hubicka <jh@suse.cz>
6400 * loop.c (scan_loop): Add USEs inside PARALLELs into dependencies
6403 * toplev.c (rest_of_compilation): Allow new pseudoes for mode switching.
6405 * i386-protos.h (ix86_split_fp_branch): Update prototype.
6406 (ix86_fp_jump_nontrivial_p): New.
6407 * i386.md (fp_jcc_?): Update call of split_fp_branch;
6408 use ix86_fp_jump_nontrivial_p.
6409 * i386.c (ix86_fp_jump_nontrivial_p): New.
6410 (ix86_split_fp_branch): Accept code instead of rtx.
6411 (ix86_expand_compare): Expand comparison early in case
6412 doing so is resonably cheap.
6414 2001-07-15 Nick Clifton <nickc@cambridge.redhat.com>
6416 * config/rs6000/sysv4.h (CPP_ENDIAN_BIG_SPEC): Assert 'endian'
6418 (CPP_ENDIAN_LITTLE_SPEC): Assert 'endian' not 'machine'.
6419 (CPP_ENDIAN_SOLARIS_SPEC): Assert 'endian' not 'machine'.
6421 2001-07-15 Neil Booth <neil@daikokuya.demon.co.uk>
6423 * dbxout.c (dbxout_source_line): Make static, update prototype.
6424 (dbx_debug_hooks, xcoff_debug_hooks): Add new hooks.
6425 (dbxout_init, dbxout_finish, dbxout_source_line,
6426 dbxout_begin_block, dbxout_end_block): Update for new prototypes.
6427 * dbxout.h (dbxout_source_line): Delete.
6428 * debug.c (debug_nothing_file, debug_nothing_file_int,
6429 debug_nothing_file_charstar_rtx): New.
6430 (do_nothing_debug_hooks): Update.
6431 (debug_nothing_void, debug_nothing_charstar_rtx,
6432 dwarf2out_end_epilogue): New.
6433 (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
6434 * debug.h (struct rtx_def): Declare.
6435 (gcc_debug_hooks): New hooks source_line, end_epilogue
6437 (debug_nothing_void, debug_nothing_charstar_rtx,
6438 dwarf2out_end_epilogue): New.
6439 (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
6440 * dwarf2out.c (dwarf2out_source_line): Make static, update prototype.
6441 (dwarf2_debug_hooks): Update.
6442 (dwarf2out_init, dwarf2out_finish, dwarf2out_source_line,
6443 dwarf2out_begin_block, dwarf2out_end_block): Update for new prototypes.
6444 * dwarf2out.h (dwarf2out_source_line): Remove.
6445 * dwarfout.c (dwarfout_end_epilogue, dwarfout_end_function):
6446 Make static, update prototype.
6447 (dwarfout_init, dwarfout_finish, dwarfout_source_line,
6448 dwarfout_begin_block, dwarfout_end_block): Update for new prototypes.
6449 (dwarf_debug_hooks): Update.
6450 * dwarfout.h (dwarfout_end_epilogue, dwarfout_source_line,
6451 dwarfout_end_function): Remove.
6452 * final.c (profile_function): Use debug hooks for ending functions
6454 (output_source_line, final_end_function): Update prototype,
6456 (final_start_function, final_scan_insn): Update.
6457 * output.h (sdb_begin_function_line): Remove.
6458 (final_end_function): Update prototype.
6459 * sdbout.c (sdb_begin_function_line): Make static.
6460 (PUT_SDB_EPILOGUE_END): Move to sdbout_end_epilogue.
6461 (sdbout_source_line): New.
6462 (sdbout_end_epilogue, sdbout_end_function): Make static, update
6464 (sdb_debug_hooks): Update.
6465 (sdbout_init, sdbout_source_line,
6466 sdbout_begin_block, sdbout_end_block): Update for new prototypes.
6467 * sdbout.h (sdbout_end_epilogue, sdbout_end_function): Remove.
6468 * toplev.c (compile_file, rest_of_compilation): Update.
6469 * tree.h (dwarf2out_end_epilogue): Move to debug.h.
6470 * xcoffout.c (xcoffout_source_line, xcoffout_begin_block,
6471 xcoffout_end_block, xcoffout_end_epilogue, xcoffout_end_function):
6472 Update for prototype changes.
6473 * xcoffout.h (xcoffout_source_line, xcoffout_begin_block,
6474 xcoffout_end_block, xcoffout_end_epilogue): Update prototypes.
6476 2001-07-15 Richard Henderson <rth@redhat.com>
6478 * config/alpha/alpha.h (TARGET_ABI_OSF): New.
6479 (TARGET_ABI_WINDOWS_NT, TARGET_ABI_OPEN_VMS): Rename; update users.
6480 * config/alpha/alpha-protos.h: Update TARGET_ABI_* users.
6481 * config/alpha/alpha.c: Likewise.
6482 * config/alpha/alpha.md: Likewise.
6483 * config/alpha/alpha32.h: Likewise.
6484 * config/alpha/vms.h: Likewise.
6487 2001-07-14 Richard Henderson <rth@redhat.com>
6489 * config/alpha/alpha.md: Use define_constants for unspec values.
6490 Substitute throughout.
6492 2001-07-14 Tim Josling <tej@melbpc.org.au>
6494 * tree.def (EXPON_EXPR) remove. Never supported anyway.
6496 2001-07-14 John David Anglin <dave@hiauly1.hia.nrc.ca>
6498 * pa.md: Remove unused constraints from define_split's.
6500 2001-04-14 Richard Henderson <rth@redhat.com>
6502 * ifcvt.c (find_cond_trap): Test for exit block.
6504 Sun Jul 15 00:50:20 CEST 2001 Jan Hubicka <jh@suse.cz>
6506 Re-install recently reverted patch.
6507 * emit-rtl.c (try_split): Update mark_jump_label call.
6508 * flow.c (find_sub_basic_blocks): Likewise.
6509 * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
6511 (mark_all_labels): Kill second parameter.
6512 (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
6513 (rebuild_jump_labels, jump_optimize_minimal): Update call
6515 (jump_optimize_1): Kill crossjumping code.
6516 (mark_jump_label): Kill cross_jump parameter.
6517 * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
6518 (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
6519 * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
6521 * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
6523 (dump_file_info): Likewise.
6524 (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
6525 reorganize passes to do reg-stack first, bb-reorder second.
6526 * invoke.texi (-d letters doc): Remove the jump2 pass.
6528 2001-07-14 Richard Henderson <rth@redhat.com>
6530 * ifcvt.c (find_cond_trap): New.
6531 (find_if_header): Call it.
6532 (merge_if_block): Relax existing jump sanity check.
6533 * jump.c (jump_optimize_1): Remove conditional trap handling.
6535 2001-07-14 Alan Modra <amodra@bigpond.net.au>
6537 * config/pa/pa.c (emit_hpdiv_const): Return reg is r2 for 64-bit
6539 (insn_refs_are_delayed): Correct comment.
6540 * config/pa/pa.h (INSN_REFERENCES_ARE_DELAYED): Likewise.
6541 * config/pa/pa.md (mulsi3): If TARGET_64BIT, clobber r2
6542 instead of r31. Make associated insn !TARGET_64BIT, and
6543 provide an additional 64-bit insn that clobbers r2.
6545 (udivsi3): Likewise.
6547 (umodsi3): Likewise.
6549 Sat Jul 14 02:58:38 CEST 2001 Jan Hubicka <jh@suse.cz>
6551 * bb-reorder.c (skip_insn_after_block): Get past the line number notes.
6553 * flow.c (redirect_edge_and_branch_force, split_edge,
6554 try_crossjump_to_edge): Use set_block_for_new_insns.
6555 * bb-reorder.c (emit_jump_to_block_after): Call set_block_for_new_insns.
6557 2001-07-13 H.J. Lu (hjl@gnu.org)
6559 * config/elfos.h (UNIQUE_SECTION): Enable .bss section with
6562 2001-07-13 Geoffrey Keating <geoffk@redhat.com>
6564 Revert H.J. Lu's UNIQUE_SECTION patch of 2001-07-13.
6566 2001-07-13 Joseph S. Myers <jsm28@cam.ac.uk>
6568 * c-common.c (decl_attributes): Take a pointer to the node to
6569 which attributes are to be attached, and a flags argument.
6570 * c-common.h (enum attribute_flags): New.
6571 (decl_attributes): Update prototype.
6572 * c-decl.c (start_decl, push_parm_decl, finish_struct,
6573 finish_enum, start_function): Update calls to decl_attributes.
6574 * c-parse.in (component_declarator, component_notype_declarator,
6575 label): Update calls to decl_attributes.
6577 Fri Jul 13 23:04:00 2001 Denis Chertykov <denisc@overta.ru>
6579 * config/avr/avr.md (strlenhi): PARALLEL keyword removed.
6580 * config/avr/avr.c (legitimate_address_p): Return value changed
6581 from letter to register classes. For better debugging.
6583 2001-07-13 Kazu Hirata <kazu@hxi.com>
6585 * jump.c (reversed_comparison_code_parts): Fix comment typos.
6587 2001-07-13 H.J. Lu (hjl@gnu.org)
6589 * config/elfos.h (UNIQUE_SECTION): Enable .bss section.
6591 2001-07-13 Marc Espie <espie@cvs.openbsd.org>
6593 * config.gcc (*-*-openbsd*): Add fragment to compile libgcc
6594 correctly for shared configurations.
6595 * config/t-libgcc-pic: New.
6596 * config/{i386,m68k,sparc}/t-openbsd: New.
6597 * config/openbsd.h: Include cpu_spec in cpp_spec where needed.
6598 Support -shared. Support debugging libraries with -g.
6599 * config/i386/openbsd.h: Correct ASM_COMMENT_START. Ensure dwarf2
6600 frame information does not emit pointer diffs.
6601 * config/sparc/openbsd.h: Ensure dwarf2 frame information does not
6604 2001-07-13 Geoffrey Keating <geoffk@redhat.com>
6606 Revert Jan Hubicka's patch of Fri Jul 13 14:46:21 CEST 2001.
6608 2001-07-13 David Edelsohn <edelsohn@gnu.org>
6610 * combine.c (try_combine): Ensure const_int pow2 is positive.
6612 2001-07-13 Hartmut Penner <hpenner@de.ibm.com>
6614 * config.gcc: Add configuration for s/390.
6615 * config/s390/s390.c: New. Subroutines for code generation.
6616 * config/s390/s390.h: New. Definitions for s/390.
6617 * config/s390/s390-protos.h: New. Prototypes.
6618 * config/s390/linux.h: New. Definitions for linux for s/390.
6619 * config/s390/linux64.h: New. Definitions for linux for zSeries.
6620 * config/s390/t-linux: New. Makefile fragment.
6621 * config/s390/s390.md: New. Machine description for s/390 and zSeries.
6622 * config/s390/fixdfdi.h: New. Fix L_fix*di.
6624 Fri Jul 13 14:46:21 CEST 2001 Jan Hubicka <jh@suse.cz>
6626 * emit-rtl.c (try_split): Update mark_jump_label call.
6627 * flow.c (find_sub_basic_blocks): Likewise.
6628 * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
6630 (mark_all_labels): Kill second parameter.
6631 (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
6632 (rebuild_jump_labels, jump_optimize_minimal): Update call
6634 (jump_optimize_1): Kill crossjumping code.
6635 (mark_jump_label): Kill cross_jump parameter.
6636 * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
6637 (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
6638 * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
6640 * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
6642 (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
6643 reorganize passes to do reg-stack first, bb-reorder second.
6644 * invoke.texi (-d letters doc): Remove the jump2 pass.
6646 2001-07-12 Steve Ellcey <sje@cup.hp.com>
6648 * toplev.c (compile_file): Put call of ASM_FILE_START inside ifdef.
6650 Thu Jul 12 17:57:16 CEST 2001 Jan Hubicka <jh@suse.cz>
6652 * flow.c (try_optimize_cfg): Delete whole chain of trivially dead
6654 (verify_flow_info): Make diagnostics prettier.
6656 Thu Jul 12 16:48:54 CEST 2001 Jan Hubicka <jh@suse.cz>
6658 * flow.c (find_basic_blocks_1): Do not emit NOP after call.
6660 * flow.c (outgoing_edges_match): Return early if condition reversal
6663 2001-07-06 Richard Sandiford <rsandifo@redhat.com>
6665 * config/mips/mips.c (print_operand): Extend '%D' to memory operands.
6666 (mips_move_2words): When splitting a move into two instructions,
6667 prefix the second address operand with '%D'.
6669 2001-07-12 Neil Booth <neil@daikokuya.demon.co.uk>
6671 * Makefile.in (final.o): Depend on debug.h.
6672 * dbxout.c (dbxout_begin_block, dbxout_end_block): New.
6673 (dbx_debug_hooks): Add new hooks.
6674 (xcoff_debug_hooks): New.
6675 * debug.c (debug_nothing_file_int_int): New.
6676 (do_nothing_debug_hooks): Update.
6677 * debug.h (gcc_debug_hooks): New hooks begin_block and end_block.
6678 (debug_nothing_file_int_int): New.
6679 * dwarf2out.c (dwarf2out_begin_block, dwarf2out_end_block): Make
6680 static, update prototype.
6681 (dwarf2_debug_hooks): Update.
6682 * dwarf2out.h (dwarf2out_begin_block, dwarf2out_end_block): Remove.
6683 * dwarfout.c (dwarfout_begin_block, dwarfout_end_block): Make
6684 static, update prototype.
6685 (dwarf_debug_hooks): Update.
6686 * dwarfout.h (dwarfout_begin_block, dwarfout_end_block): Remove.
6687 * final.c: Include debug.h.
6688 (final_scan_insn): Use debug hooks when beginning and ending blocks.
6689 * sdbout.c (sdbout_begin_block, sdbout_end_block): Make
6690 static, update prototype.
6691 (sdb_debug_hooks): Update.
6692 * sdbout.h (sdbout_begin_block, sdbout_end_block): Remove.
6693 * toplev.c: Distinguish between xcoff and dbx.
6695 * f/lex.c (ffelex_file_pop_, ffelex_file_push_, ffelex_hash_):
6696 Call all debug hooks, not just dwarf ones.
6698 2001-07-11 Timothy Wall <twall@redhat.com>
6700 * config.gcc: Add configuration for AIX5/IA64.
6701 * config/ia64/aix.h: New. AIX5/IA64-specific configuration.
6702 * config/ia64/crt[in].asm: New. Generic static ctor/dtor
6703 support prefix/suffix code.
6704 * config/ia64/t-aix: New. Makefile fragment.
6705 * config/ia64/unwind-aix.c: New. Unwind table entry lookup.
6707 2001-07-11 Kazu Hirata <kazu@hxi.com>
6709 * recog.c (validate_change): Fix a comment typo.
6711 2001-07-11 Neil Booth <neil@daikokuya.demon.co.uk>
6713 * Makefile.in (c-lex.o): Wrap long lines. Depend on debug.h.
6714 * c-lex.c (cb_file_change, cb_define, cb_undef): Use debug
6716 * dbxout.c (dbx_debug_hooks): Add new hooks.
6717 (dbxout_start_new_source_file): Rename dbxout_start_source_file,
6719 (dbxout_resume_previous_source_file): Rename dbxout_end_source_file,
6721 * dbxout.h (dbxout_start_new_source_file,
6722 dbxout_resume_previous_source_file): Delete.
6723 * debug.c (do_nothing_debug_hooks): Add new hooks.
6724 (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
6725 (debug_nothing_int_charstar, debug_nothing_int): New.
6726 * debug.h (gcc_debug_hooks): New hooks define, undef,
6727 start_source_file and end_source_file.
6728 (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
6729 (debug_nothing_int_charstar, debug_nothing_int): New.
6730 * dwarf2out.c (dwarf2_debug_hooks): Add new hooks. Move into
6731 the conditionally compiled section.
6732 (dwarf2out_start_source_file, dwarf2out_end_source_file,
6733 dwarf2out_define, dwarf2out_undef): Make static.
6734 * dwarf2out.h (dwarf2out_start_source_file, dwarf2out_end_source_file,
6735 dwarf2out_define, dwarf2out_undef): Remove.
6736 * dwarfout.c (dwarf_debug_hooks): Add new hooks.
6737 (dwarfout_start_source_file, dwarfout_end_source_file,
6738 dwarfout_define, dwarfout_undef): Make static.
6739 (dwarfout_start_source_file_check,
6740 dwarfout_end_source_file_check): New.
6741 (dwarfout_define, dwarfout_finish): Update.
6742 * dwarfout.h (dwarfout_start_new_source_file,
6743 dwarfout_resume_previous_source_file, dwarfout_define,
6744 dwarfout_undef): Remove.
6745 * sdbout.c (sdb_debug_hooks): Add new hooks.
6746 (sdbout_start_new_source_file): Rename sdbout_start_source_file,
6748 (sdbout_resume_previous_source_file): Rename sdbout_end_source_file,
6749 make static, take an arg.
6750 * sdbout.h (sdbout_start_new_source_file,
6751 sdbout_resume_previous_source_file): Delete.
6752 * toplev.c (debug_start_source_file, debug_end_source_file,
6753 debug_define, debug_undef): Delete.
6754 * toplev.h (debug_start_source_file, debug_end_source_file,
6755 debug_define, debug_undef): Delete.
6757 * java/jcf-parse.c: Include debug.h.
6758 (parse_class_file): Update to use debug hooks directly.
6759 * java/Make-lang.in (jcf-parse.o): Depend on debug.h.
6761 Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6763 * alias.c (set_mem_alias_set): New function.
6764 * rtl.h (set_mem_alias_set): Declare it.
6765 * builtins.c (expand_builtin_return_addr): Call it instead of
6766 using MEM_ALIAS_SET accessor.
6767 (expand_builtin_setjmp_setup, expand_builtin_longjmp): Likewise.
6768 (get_memory_rtx, expand_builtin_va_arg): Likewise.
6769 (expand_builtin_va_copy):Likewise.
6770 * caller-save.c (setup_save_areas): Likewise.
6771 * calls.c (compute_argument_addresses): Likewise.
6772 * explow.c (set_mem_attributes): Likewise.
6773 * expr.c (emit_single_push_insn, emit_push_insn): Likewise.
6774 (expand_assignment, store_constructor_field, store_field): Likewise.
6775 (expand_expr_unaligned): Likewise.
6776 * function.c (assign_stack_temp_for_type): Likewise.
6777 (put_reg_into_stack, gen_mem_addressof): Likewise.
6778 * ifcvt.c (noce_try_cmove_arith): Likewise.
6779 * reload1.c (reload, alter_reg): Likewise.
6780 * config/alpha/alpha.c (get_aligned_mem): Likewise.
6781 (alpha_set_memflags_1, alpha_expand_unaligned_load): Likewise.
6782 (alpha_expand_unaligned_store): Likewise
6783 (alpha_expand_unaligned_load_words): Likewise.
6784 (alpha_expand_unaligned_store_words): Likewise.
6785 (alpha_expand_block_clear, alpha_expand_prologue): Likewise.
6786 (alpha_expand_epilogue): Likewise.
6787 * config/arc/arc.c (arc_setup_incoming_varargs): Likewise.
6788 * config/clipper/clipper.c (clipper_builtin_saveregs): Likewise.
6789 * config/i386/i386.c (legitimize_pic_address): Likewise.
6790 * config/i960/i960.c (setup_incoming_varargs): Likewise.
6791 * config/ia64/ia64.c (spill_restore_mem): Likewise.
6792 * config/m32r/m32r.c (m32r_setup_incoming_varargs): Likewise.
6793 * config/m8k/m88k.c (m88k_builtin_saveregs): Likewise.
6794 * config/mips/mips.c (mips_va_arg): Likewise.
6795 * config/mn10300/mn10300.c (mn10300_builtin_saveregs): Likewise.
6796 * config/pa/pa.c (hppa_builtin_saveregs): Likewise.
6797 * config/rs6000/rs6000.c (rs6000_emit_move): Likewise.
6798 (setup_incoming_varargs, rs6000_va_arg): Likewise.
6799 (rs6000_emit_eh_toc_restore, rs6000_emit_prologue): Likewise.
6800 (rs6000_emit_epilogue): Likewise.
6801 * config/sh/sh.c (sh_builtin_saveregs): Likewise.
6802 * config/sparc/sparc.c (sparc_va_arg): Likewise.
6803 * config/v850/v850.c (v850_va_arg): Likewise.
6805 Wed Jul 11 21:27:25 CEST 2001 Jan Hubicka <jh@suse.cz>
6807 * flow.c (merge_blocks_move_successor_nojumps): Do not crash
6808 when fallthru edge is present.
6809 (mege_blocks): Handle case where creation of jump insn
6812 * basic-block.h (CLEANUP_EXPENSIVE, CLEANUP_CROSSJUMP,
6813 CLEANUP_POST_REGSTACK): New constants.
6814 * except.c (finish_eh_generation): Update call of cleanup_cfg,
6815 * jump.c (rtx_renumbered_equal_p): Handle 't' fields.
6816 * output.h (cleanup_cfg): Update prototype.
6817 * reg-stack.c (reg_to_stack): Use cleanup_cfg instead of jump_optimize
6818 * sibcall.c (optimize_sibling_and_tail_recursive_call): Update
6819 cleanup_cfg call; kill missleading comment.
6820 * toplev.c (rest_of_compilation): Update all cleanup_cfg calls.
6821 * flow.c (merge_blocks, try_optimize_cfg, cleanup_cfg): Accept mode
6822 parameter; control optimizations performed using it.
6823 (flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
6824 try_crossjump_bb): New functions.
6826 2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
6828 * pa.c (pa_output_function_prologue): Delete prototype. Make function
6830 * pa.h (ASM_OUTPUT_MI_THUNK): Rename output_function_prologue to
6831 pa_output_function_prologue.
6832 * pa-protos.h (pa_output_function_prologue): New prototype.
6834 2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
6836 * stmt.c (emit_case_nodes): Widen high and low instead of new_bound
6837 and low to get correct sign extension in low+high test.
6839 2001-07-11 Janis Johnson <janis@us.ibm.com>
6841 * gcov.c (arcdata): Use gcov_type to fix branch percentage
6842 for large hit count.
6844 * profile.c (branch_prob): Fix .bbg info for computed gotos
6847 2001-07-11 Mark Mitchell <mark@codesourcery.com>
6849 * stmt.c (parse_output_constraint): New function, split out
6851 (expand_asm_operands): ... here. Use parse_output_constraint.
6852 * tree.h (parse_output_constraint): Declare it.
6854 2001-07-11 Richard Henderson <rth@redhat.com>
6856 * bitmap.c: Comment some functions; fiddle whitespace.
6857 (bitmap_free): Don't export.
6858 (bitmap_element_allocate): Use memset.
6859 * bitmap.h (bitmap_free): Don't declare.
6861 2001-07-11 Daniel Berlin <dan@cgsoftware.com>
6863 * gcse.c, lcm.c, sched-deps.c:
6864 s/free on sbitmap vectors/sbitmap_vector_free on sbitmap vectors/g
6866 * flow.c (flow_loops_find): Free dom if we found no loops, since
6867 we aren't going to save it.
6869 * lcm.c (pre_edge_rev_lcm): Free st_antin, st_antout when we are
6872 Wed Jul 11 09:00:48 2001 Jeffrey A Law (law@cygnus.com)
6874 * ssa-ccp.c (ssa_fast_dce): Free worklist when completed.
6876 Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6878 * dwarf2out.c (dwarf2out_init, dwarf2out_finish): Add dummy version
6879 #ifndef DWARF2_DEBUGGING_INFO.
6881 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
6883 * simplify-rtx.c (simplify_gen_subreg): Return null for QUEUED rtxes.
6885 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
6887 * config/mips/mips.c (gen_int_relational): Tell the caller not to
6888 reverse a branch if a NE comparison is implemented with GTU.
6890 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
6891 H.J. Lu <hjl@gnu.org>
6893 * mips.md (call_internal1): Use CONSTANT_ADDRESS_P to check for
6895 (call_internal2): Likewise.
6896 (call_value_internal1): Likewise.
6897 (call_value_internal2): Likewise.
6898 (call_value_multiple_internal1): Likewise.
6899 (call_value_multiple_internal2): Likewise.
6901 2001-07-10 Kazu Hirata <kazu@hxi.com>
6903 * calls.c (emit_library_call_value_1): Fix a comment typo.
6904 * dwarf2out.c (mem_loc_descriptor): Likewise.
6905 * config/i386/i386.c (ix86_expand_aligntest): Likewise.
6907 2001-07-11 David Billinghurst <David.Billinghurst@riotinto.com>
6909 * simplify-rtx.c (simplify_subreg): Fix typo in comment
6911 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6913 * recog.c (offsettable_address_p): Handle LO_SUM case.
6914 * config/mips/mips.c (double_memory_operand): Use adjust_address_nv
6915 instead of plus_constant.
6917 2001-07-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6919 * reload1.c (merge_assigned_reloads): After a RELOAD_OTHER merge,
6920 fix setting of the reloads of that reload to RELOAD_FOR_OTHER_ADDRESS.
6922 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6924 * config/rs6000/rs6000.c (print_operand, case 'L', 'Y', 'Z'): Use
6925 adjust_address_nv instead of plus_constant.
6927 2001-07-10 Neil Booth <neil@daikokuya.demon.co.uk>
6929 * Makefile.in (toplev.o, sdbout.o, dbxout.o, dwarfout.o,
6930 dwarf2out.o): Depend on debug.h, wrap long lines.
6931 * dbxout.c: Include debug.h.
6932 (dbx_debug_hooks): New.
6933 (dbxout_init): Make static, take just 2 args.
6934 (dbxout_finish): Make static.
6935 * dbxout.h (dbxout_init, dbxout_finish): Delete.
6936 * debug.c: New file.
6937 * debug.h: New file.
6938 * dwarf2out.c: Include debug.h.
6939 (dwarf2_debug_hooks): New.
6940 (dwarf2out_init): Make static.
6941 (dwarf2out_finish): Make static, take 2 args.
6942 * dwarf2out.h (dwarf2out_init, dwarf2out_finish): Delete.
6943 * dwarfout.c: Include debug.h.
6944 (dwarf_debug_hooks): New.
6945 (dwarfout_init): Make static.
6946 (dwarfout_finish): Make static, take 2 args.
6947 * dwarfout.h (dwarfout_init, dwarfout_finish): Delete.
6948 * sdbout.c: Include debug.h.
6949 (sdb_debug_hooks): New.
6950 (sdbout_init): Make static, take 2 args.
6951 * sdbout.h (sdbout_init): Delete.
6952 * toplev.c: Include debug.h.
6954 (compile_file): Set deubg_hooks based on command line options.
6955 Use the hooks unconditionally rather than conditional compilation.
6957 Tue Jul 10 09:04:45 2001 Jeffrey A Law (law@cygnus.com)
6959 * ssa-ccp.c (first_phi_node): Remove. Replace uses with calls to
6960 first_insn_after_basic_block_note instead.
6962 * df.c (df_bb_refs_unlink): #if 0 out for now.
6964 2001-07-10 David Billinghurst <David.Billinghurst@riotinto.com
6966 * ssa.h: Add prototype for ssa_const_prop
6967 * ssa-ccp.c: Add prototype for ssa_fast_dce and mark_references
6968 (ssa_ccp_substitute_constants): Fix signed vs unsigned comparison
6969 (ssa_fast_dce): Remove unused variable
6971 2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
6973 * diagnostic.c (finish_diagnostic): Rename to
6974 diagnostic_finish. Make it take an 'output_buffer *'. Adjust
6977 2001-07-10 Jason Merrill <jason_merrill@redhat.com>
6979 * dwarf2out.c (dwarf2out_line): Emit -dA comment even when we have
6982 * collect2.c (main): Set COLLECT_NO_DEMANGLE for subprocesses.
6983 (dump_file): Only pad the demangled name with spaces if the
6984 mangled name was padded with spaces.
6986 2001-07-10 Bernd Schmidt <bernds@redhat.com>
6988 * bb-reorder.c (make_reorder_chain_1): Correct branch/fallthru
6991 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6993 * expr.c (expand_expr, case COMPONENT_REF): Don't force using bitfield
6994 extraction if no direct load if either EXPAND_CONST_ADDRESS or
6997 * emit-rtl.c (adjust_address, adjust_address_nv): Change criteria for
6998 whether can put offset inside LO_SUM to check mode alignment, not size.
7000 2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
7002 * doc/tm.texi (Misc): Fix thinko.
7004 2001-07-10 Jan van Male <jan.vanmale@fenk.wau.nl>
7006 * regmove.c (replace_in_call_usage): Fix warnings.
7007 * sched-deps.c (add_dependence): Fix warnings.
7008 * simplify-rtx.c (simplify_subreg): Likewise.
7009 Return NULL_RTX instead of NULL.
7011 * reg-stack.c (emit_swap_insn): Eliminate warnings.
7012 (subst_asm_stack_regs): Likewise.
7014 * combine.c (num_sign_bit_copies): Cast bitwidth to int to avoid
7017 * dwarf2out.c (output_call_frame_info): Declare i as int.
7018 (build_abbrev_table): Declare n_alloc as int.
7019 (dwarf2out_finish): Initialize die.
7020 * except.c: Declare sjlj_funcdef_number as unsigned.
7021 (connect_post_landing_pads): Declare j as unsigned.
7022 (convert_to_eh_region_ranges): Initialize call_site.
7023 (output_function_exception_table): Initialize tt_format_size.
7024 * expr.c (move_by_pieces_1): Initialize to1.
7025 (store_constructor): Initialize minelt and maxelt.
7026 * flow.c (mark_regs_live_at_end): Declare i as unsigned.
7027 * function.c (instantiate_decls): Avoid signed/unsigned warning.
7029 * c-decl.c (combine_parm_decls): Unused, remove.
7030 * c-tree.h: Remove prototype for combine_parm_decls.
7032 * reload.c (push_reload): Fix warning.
7033 (regno_clobbered_p): Likewise.
7034 * reload1.c (replace_pseudos_in_call_usage): Likewise.
7035 (reload_combine): Likewise.
7037 * bitmap.c: Rename bitmap_zero to bitmap_zero_bits to fix warnings.
7038 * bitmap.h: Rename bitmap_zero to bitmap_zero_bits to fix
7040 * bitmap.c (bitmap_operation): Change user.
7041 * bitmap.h (EXECUTE_IF_AND_COMPL_IN_BITMAP): Likewise.
7043 2001-07-10 Eric Christopher <echristo@redhat.com>
7045 * config/mips/mips.c (override_options): Fix typo.
7047 2001-07-09 Stan Shebs <shebs@apple.com>
7049 * target.h (struct gcc_target): New fields init_builtins and
7051 * target-def.h (TARGET_INIT_BUILTINS): New macro.
7052 (TARGET_EXPAND_BUILTIN): New macro.
7053 (TARGET_INITIALIZER): Add them.
7054 * builtins.c: Include target.h.
7055 (expand_builtin): Use targetm.expand_builtin.
7056 (default_init_builtins): New function.
7057 (default_expand_builtin): New function.
7058 * expr.h (default_init_builtins): Declare.
7059 (default_expand_builtin): Declare.
7060 * c-common.c (c_common_nodes_and_builtins): Use
7061 targetm.init_builtins.
7062 * defaults.h (MD_INIT_BUILTINS): Remove.
7063 * Makefile.in (builtins.o): Depend on target.h.
7065 * config/arm/arm.c (TARGET_INIT_BUILTINS): Define.
7066 (TARGET_EXPAND_BUILTIN): Define.
7067 * config/arm/arm.h (MD_INIT_BUILTINS): Remove.
7068 (MD_EXPAND_BUILTIN): Remove.
7070 * config/c4x/c4x.c (TARGET_INIT_BUILTINS): Define.
7071 (TARGET_EXPAND_BUILTIN): Define.
7072 (c4x_init_builtins): Make endlink arg a local.
7073 (c4x_print_operand): Fix typos in adjust_address usages.
7074 * config/c4x/c4x-protos.h (c4x_init_builtins): Update decl.
7075 * config/c4x/c4x.h (MD_INIT_BUILTINS): Remove.
7076 (MD_EXPAND_BUILTIN): Remove.
7078 * config/i386/i386.c (TARGET_INIT_BUILTINS): Define.
7079 (TARGET_EXPAND_BUILTIN): Define.
7080 (ix86_init_mmx_sse_builtins): New function, was ix86_init_builtins.
7081 (ix86_init_builtins): Call new function only if TARGET_MMX.
7082 * config/i386/i386-protos.h (ix86_init_mmx_sse_builtins): Declare.
7083 * config/i386/i386.h (MD_INIT_BUILTINS): Remove.
7084 (MD_EXPAND_BUILTIN): Remove.
7086 * config/ia64/ia64.c (TARGET_INIT_BUILTINS): Define.
7087 (TARGET_EXPAND_BUILTIN): Define.
7088 * config/ia64/ia64.h (MD_INIT_BUILTINS): Remove.
7089 (MD_EXPAND_BUILTIN): Remove.
7091 * doc/tm.texi: Document these changes.
7093 2001-07-09 Diego Novillo <dnovillo@redhat.com>
7095 * basic-block.h (tree_node): Forward declare if needed.
7096 (struct basic_block_def): Add fields 'head_tree' and 'end_tree'.
7097 (BLOCK_HEAD_TREE): Define.
7098 (BLOCK_END_TREE): Define.
7099 (struct loops): Rename field 'tree' to 'tree_root'.
7100 * flow.c (entry_exit_blocks): Add initializers for 'head_tree' and
7102 (flow_loops_tree_build): Rename reference to field 'tree' to
7104 (flow_loops_level_compute): Ditto.
7105 * predict.c (estimate_bb_frequencies): Ditto.
7106 * tree.h (struct tree_common): Add field 'aux'.
7108 2001-07-09 Stan Shebs <shebs@apple.com>
7110 * config/darwin.c (darwin_encode_section_info): Don't mark any
7111 DECL_EXTERNAL node as defined.
7113 2001-07-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
7115 * pa.c (pa_init_machine_status, pa_mark_machine_status,
7116 pa_free_machine_status, hppa_init_pic_save): Delete.
7117 (hppa_pic_save_rtx): New. Use get_hard_reg_initial_val.
7118 (hppa_profile_hook): Use hppa_pic_save_rtx.
7119 * pa.h (struct machine_function, PIC_OFFSET_TABLE_SAVE_RTX,
7120 hppa_init_pic_save): Delete.
7121 (hppa_pic_save_rtx): Declare.
7122 * pa.md (call, call_value, sibcall, sibcall_value,
7123 builtin_setjmp_receiver): Use hppa_pic_save_rtx.
7125 2001-07-09 Kazu Hirata <kazu@hxi.com>
7127 * config/h8300/t-h8300 (LIB1ASMFUNCS): Add _floatdisf and _fixsfdi.
7128 * config/mn10200/t-mn10200 (LIB1ASMFUNCS): Likewise.
7130 2001-07-09 Andreas Jaeger <aj@suse.de>
7132 * output.h: Add declaration of final_forward_branch_p.
7134 * config/i386/i386.c (output_fix_trunc): Remove unused variable.
7136 * varray.c: Include errors.h for internal_error and trim_filename
7139 * Makefile.in (varray.o): Add errors.h.
7141 2001-07-09 Toon Moene <toon@moene.indiv.nluug.nl>
7143 * expr.h: Adjust prototypes for have_add2_insn, have_sub2_insn.
7144 * optabs.c (have_add2_insn): Check whether the add insn chosen
7145 really accepts the operands. (have_sub2_insn): Ditto for sub insn.
7146 * reload1.c (reload_cse_move2add): Adjust calls of have_add2_insn.
7148 Mon Jul 9 13:26:40 2001 Jeffrey A Law (law@cygnus.com)
7150 * Makefile.in (OBJS): Add ssa-ccp.o
7151 (ssa-ccp.o): Add dependencies.
7152 * toplev.c (DFI_ssa_ccp): New dump file enum.
7153 (dump_file): Add entry for dumping after SSA CCP.
7154 (flag_ssa_ccp): New flag variable.
7155 (f_options): Add -fssa-ccp.
7156 (rest_of_compilation): Run SSA CCP if requested.
7157 * timevar.def (TV_SSA_CCP): New timevar.
7158 * ssa.c (mark_phi_and_copy_regs): Handle deleted PHI nodes.
7159 * doc/gcc.texi (Passes): Add documentation for SSA CCP pass.
7160 Fix minor typo in SSA DCE documentation.
7161 * doc/invoke.texi: Add documentation for new flag -fssa-ccp.
7162 Add documentation for new dump option. Renumber dump files
7165 Mon Jul 9 21:36:00 CEST 2001 Jan Hubicka <jh@suse.cz>
7167 * emit-rtl.c (gen_highpart_mode): New.
7168 * rtl.h (gen_highpart_mode): Declare.
7169 * sparc.md (insn splitters): Use gen_highpart_mode, whenever the
7170 operand can be VOIDmode constant.
7172 Mon Jul 9 17:23:10 CEST 2001 Jan Hubicka <jh@suse.cz>
7174 * flow.c (redirect_edge_and_branch_force): New.
7175 (can_fallthru): Ensure that basic blocks are succeeding.
7176 (try_optimize_cfg): Do not delete basic block if it is the last one.
7178 * flow.c (try_redirect_by_replacing_jump): Do not remove
7179 jumps with side effects, unlink chain on fallthru edge;
7180 set block for new jump instruction; avoid basic block to
7181 over by line number note.
7183 * flow.c (try_simplify_condjump): Verify that the condjump
7184 is not always falling trought.
7187 * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
7189 * flow.c (forwarder_block_p): Fix for fallthru blocks.
7190 (try_redirect_by_replacing_jump): Update properly the count
7191 and frequency information.
7193 Mon Jul 9 06:41:07 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7195 * emit-rtl.c (adjust_address, adjust_address_nv): Handle an
7196 address that is a LO_SUM specially.
7197 * explow.c (plus_constant_wide, case LO_SUM): Deleted.
7199 * c-lang.c (start_cdtor): Remove extra parameter from start_function.
7201 * emit-rtl.c (adjust_address_nv, replace_equiv_address_nv): New fcns.
7202 (operand_subword): Use them.
7203 (change_address_1): Renamed from change_address; new arg VALIDATE.
7204 * expr.h: Reflect above changes; change_address now macro.
7205 * alias.c (canon_rtx): Use replace_equiv_address_nv instead of
7207 * cselib.c (add_mem_for_addr): Likewise.
7208 * expr.c (protect_from_queue, emit_move_insn_1): Likewise.
7209 * regmove.c (try_apply_stack_adjustment): Likewise.
7210 * reload.c (push_reload, make_memloc): Likewise.
7211 * reload1.c (eliminate_regs): Likewise.
7212 * simplify-rtx.c (simplify_replace_rtx): Likewise.
7213 * caller-save.c (setup_save_areas): Use adjust_address_nv instead of
7215 * combine.c (make_extraction, simplify_shift_const): Likewise.
7216 (gen_lowpart_for_combine): Likewise.
7217 * cse.c (gen_lowpart_if_possible): Likewise.
7218 * function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
7219 * expr.c (expand_expr, case COMPONENT_REF): Likewise.
7220 * optabs.c (gen_move_insn): Likewise.
7221 * reload1.c (alter_reg): Likewise.
7222 * simplify-rtx.c (simplify_subreg): Likewise.
7223 * stmt.c (expand_anon_union_decl): Likewise.
7224 * recog.c (validate_replace_rtx_1): Likewise.
7226 * Makefile.in (recog.o): Add $(EXPR_H).
7227 * explow.c (stabilize): Call replace_equiv_address.
7228 * expr.c (move_by_pieces_1, store_by_pieces_2): Likewise.
7229 * final.c (alter_subreg): OFFSET is HOST_WIDE_INT.
7231 2001-07-03 Andrew Haley <aph@redhat.com>
7233 * expmed.c (store_fixed_bit_field): Don't use a mode bigger than
7234 the mode of the memory location.
7236 2001-07-09 Bo Thorsen <bo@suse.co.uk>
7238 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix x86-64 vtable support.
7240 2001-07-09 Neil Booth <neil@daikokuya.demon.co.uk>
7242 * final.c (output_addr_const): Use target opening and
7243 closing parentheses.
7244 * target-def.h: Define TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN
7245 defaults, add to TARGET_ASM_OUT.
7246 * target.h (struct gcc_target): Add open_paren and close_paren.
7247 * doc/md.texi: Update.
7248 * doc/tm.texi: Document TARGET_ASM_FUNCTION_END_PROLOGUE,
7249 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE, TARGET_ASM_OPEN_PAREN and
7250 TARGET_ASM_CLOSE_PAREN.
7251 * config/i386/i386.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
7253 * config/pdp11/pdp11.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
7255 * config/1750a/1750a.h (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): Remove.
7256 * config/a29k/a29k.h: Similarly.
7257 * config/alpha/alpha.h: Similarly.
7258 * config/arc/arc.h: Similarly.
7259 * config/arm/aof.h: Similarly.
7260 * config/arm/aout.h: Similarly.
7261 * config/avr/avr.h: Similarly.
7262 * config/c4x/c4x.h: Similarly.
7263 * config/clipper/clipper.h: Similarly.
7264 * config/convex/convex.h: Similarly.
7265 * config/d30v/d30v.h: Similarly.
7266 * config/dsp16xx/dsp16xx.h: Similarly.
7267 * config/elxsi/elxsi.h: Similarly.
7268 * config/fr30/fr30.h: Similarly.
7269 * config/h8300/h8300.h: Similarly.
7270 * config/i370/i370.h: Similarly.
7271 * config/i386/i386.h: Similarly.
7272 * config/i860/i860.h: Similarly.
7273 * config/i960/i960.h: Similarly.
7274 * config/ia64/ia64.h: Similarly.
7275 * config/m32r/m32r.h: Similarly.
7276 * config/m68hc11/m68hc11.h: Similarly.
7277 * config/m68k/m68k.h: Similarly.
7278 * config/m88k/m88k.h: Similarly.
7279 * config/mcore/mcore.h: Similarly.
7280 * config/mips/mips.h: Similarly.
7281 * config/mn10200/mn10200.h: Similarly.
7282 * config/mn10300/mn10300.h: Similarly.
7283 * config/ns32k/ns32k.h: Similarly.
7284 * config/pa/pa.h: Similarly.
7285 * config/pdp11/pdp11.h: Similarly.
7286 * config/pj/pj.h: Similarly.
7287 * config/romp/romp.h: Similarly.
7288 * config/rs6000/rs6000.h: Similarly.
7289 * config/sh/sh.h: Similarly.
7290 * config/sparc/sparc.h: Similarly.
7291 * config/v850/v850.h: Similarly.
7292 * config/vax/vax.h: Similarly.
7293 * config/we32k/we32k.h: Similarly.
7295 2001-07-09 Joseph S. Myers <jsm28@cam.ac.uk>
7297 * doc/c-tree.texi: Document representation of attributes.
7299 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
7301 * doc/tm.texi: Update some places for the rename of target to
7304 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
7306 * target.h (struct gcc_target): Add insert_attributes.
7307 * target-def.h (TARGET_INSERT_ATTRIBUTES): Define.
7308 (TARGET_INITIALIZER): Update.
7309 * tree.c, tree.h (default_insert_attributes): New function.
7310 Update comments on other default functions to refer to targetm,
7312 * doc/tm.texi (INSERT_ATTRIBUTES): Update to document
7313 TARGET_INSERT_ATTRIBUTES.
7314 (SET_DEFAULT_DECL_ATTRIBUTES): Remove.
7315 * c-common.c (decl_attributes): Use targetm.insert_attributes.
7316 Don't use PRAGMA_INSERT_ATTRIBUTES.
7317 * Makefile.in (c-common.o): Depend on $(TARGET_H).
7318 * c-decl.c (start_decl, start_function): Don't call
7319 SET_DEFAULT_DECL_ATTRIBUTES.
7320 * config/c4x/c4x.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
7321 * config/c4x/c4x-protos.h (c4x_set_default_attributes): Don't
7323 * config/c4x/c4x.c (TARGET_INSERT_ATTRIBUTES): Define.
7324 (c4x_check_attribute): Avoid modifying attribute list itself.
7325 (c4x_set_default_attributes): Rename to c4x_insert_attributes.
7327 * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Don't define.
7328 * config/sh/sh-protos.h (sh_pragma_insert_attributes): Don't
7330 * config/sh/sh.c (TARGET_INSERT_ATTRIBUTES): Define.
7331 (sh_pragma_insert_attributes): Rename to sh_insert_attributes.
7333 * config/v850/v850.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
7334 * config/v850/v850-protos.h (v850_set_default_decl_attr): Don't
7336 * config/v850/v850.c (TARGET_INSERT_ATTRIBUTES): Define.
7337 (v850_set_default_decl_attr): Rename to v850_insert_attributes.
7338 Adjust parameters. Make static.
7340 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
7342 * c-common.c (decl_attributes): Only take a single attributes
7344 * c-common.h (decl_attributes): Update prototype.
7345 * c-decl.c (start_decl, start_function): Only take a single
7346 attributes parameter. Update calls to decl_attributes.
7347 (finish_struct, finish_enum): Update calls to decl_attributes.
7348 (push_parm_decl): Expect unified list of attributes. Update call
7350 * c-parse.in (fndef, initdcl, notype_initdcl, nested_function,
7351 notype_nested_function, component_declarator,
7352 component_notype_declarator, label): Update calls to
7354 (absdcl_maybe_attribute, parm, firstparm, myparm): Unify attribute
7355 lists that are passed to push_parm_decl.
7356 * c-tree.h (start_function, start_decl): Update prototypes.
7357 * config/sh/sh-protos.h, config/sh/sh.c
7358 (sh_pragma_insert_attributes): Only take a single attributes
7360 * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Likewise.
7361 * doc/tm.texi (INSERT_ATTRIBUTES): Update.
7362 * objc/objc-act.c (define_decl, generate_objc_symtab_decl,
7363 build_module_descriptor, generate_static_references,
7364 generate_strings, build_selector_translation_table,
7365 generate_descriptor_table, generate_protocols,
7366 generate_ivars_list, generate_dispatch_table,
7367 generate_protocol_list, generate_category,
7368 generate_shared_structures, really_start_method, add_objc_decls,
7369 generate_classref_translation_entry): Update calls to start_decl
7371 (build_tmp_function_decl, start_method_def): Unify attribute lists
7372 that are passed to push_parm_decl.
7374 2001-07-08 Neil Booth <neil@daikokuya.demon.co.uk>
7376 * final.c (no_asm_to_stream): New.
7377 (final_scan_insn): Use target structures for prologue ends
7378 and epilogue starts.
7379 * output.h (no_asm_to_stream): New.
7380 * target-def.h (TARGET_ASM_FUNCTION_END_PROLOGUE,
7381 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE): New.
7382 (TARGET_ASM_OUT): Update.
7383 * target.h (struct gcc_target): New members function_end_prologue
7384 and function_begin_epilogue.
7385 * config/1750/1750.h (ASM_OUTPUT_FUNNAM): Delete as unused.
7386 * config/alpha/alpha-protos.h (output_end_prologue): Delete.
7387 * config/alpha/alpha.c (output_end_prologue): Rename to
7388 alpha_output_function_end_prologue. Use in target struct
7390 * config/alpha/alpha.h (FUNCTION_END_PROLOGUE): Delete.
7391 * config/ia64/ia64-protos.h (ia64_output_end_prologue): Delete.
7392 * config/ia64/ia64.c (ia64_output_end_prologue): Rename to
7393 ia64_output_function_end_prologue. Use in target struct
7395 (ia64_function_prologue, ia64_funciton_epilogue): Rename
7396 mistyped prototypes.
7397 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE): Delete.
7398 * config/m88k/m88k-protos.h (m88k_end_prologue, m88k_begin_epilogue):
7400 * config/m88k/m88k.c (m88k_end_prologue, m88k_begin_epilogue): Rename
7401 an use in target struct, make static.
7402 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE, FUNCTION_BEGIN_EPILOGUE):
7405 2001-07-08 Richard Henderson <rth@redhat.com>
7407 * stmt.c (emit_case_nodes): Convert modes properly in low+high test.
7409 2001-07-08 Richard Henderson <rth@redhat.com>
7411 * config/i386/i386.md: Remove constraints strings from define_split
7412 and define_peephole2 patterns.
7413 (eh_return_si, eh_return_di): Split eh_return_1 for modes.
7414 (eh_return): Use them.
7416 2001-07-08 Richard Henderson <rth@redhat.com>
7418 * doc/tm.texi (Exception Handling): New subnode of Stack and Calling.
7419 Document MD_FALLBACK_FRAME_STATE_FOR.
7421 2001-07-07 Stephane Carrez <Stephane.Carrez@worldnet.fr>
7423 * config/m68hc11/m68hc11.c (m68hc11_initial_elimination_offset):
7424 Take into account m68hc11_sp_correction for FRAME_POINTER_REGNUM
7426 * config/m68hc11/m68hc11.h (STARTING_FRAME_OFFSET): Use 0.
7428 2001-07-07 Nick Clifton <nickc@cambridge.redhat.com>
7430 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Append # to end
7431 of the label inside NAME as opposed to just the end of NAME.
7433 2001-07-07 Neil Booth <neil@daikokuya.demon.co.uk>
7435 * config/alpha/alpha-protos.h (vms_valid_decl_attribute_p): Delete.
7436 * config/alpha/alpha.c (alpha_init_machine_status,
7437 alpha_mark_machine_status, alpha_free_machine_status): Delete.
7438 (TARGET_VALID_DECL_ATTRIBUTE): Define for VMS.
7439 (vms_valid_decl_attribute_p): Make static, conditionally compile.
7440 * config/alpha/alpha.h (VALID_MACHINE_DECL_ATTRIBUTE): Delete.
7442 2001-07-06 Stan Shebs <shebs@apple.com>
7444 * target.h (targetm): Rename global from "target", so as not to
7445 conflict with local variables.
7447 * c-typeck.c: Ditto.
7451 * cp/decl2.c: Ditto.
7452 * cp/typeck.c: Ditto.
7453 * 1750a/1750a.c: Ditto.
7454 * a29k/a29k.c: Ditto.
7458 * clipper/clipper.c: Ditto.
7459 * convex/convex.c: Ditto.
7460 * d30v/d30v.c: Ditto.
7461 * dsp16xx/dsp16xx.c: Ditto.
7462 * elxsi/elxsi.c: Ditto.
7463 * fr30/fr30.c: Ditto.
7464 * h8300/h8300.c: Ditto.
7465 * i370/i370.c: Ditto.
7466 * i386/i386.c: Ditto.
7467 * i860/i860.c: Ditto.
7468 * i960/i960.c: Ditto.
7469 * ia64/ia64.c: Ditto.
7470 * m32r/m32r.c: Ditto.
7471 * m68hc11/m68hc11.c: Ditto.
7472 * m68k/m68k.c: Ditto.
7473 * m88k/m88k.c: Ditto.
7474 * mips/mips.c: Ditto.
7475 * ns32k/ns32k.c: Ditto.
7477 * pdp11/pdp11.c: Ditto.
7478 * romp/romp.c: Ditto.
7479 * rs6000/rs6000.c: Ditto.
7481 * sparc/sparc.c: Ditto.
7483 * we32k/we32k.c: Ditto.
7484 * doc/tm.texi: Update the manual to match.
7486 2001-07-06 Richard Henderson <rth@redhat.com>
7488 * except.h (MUST_USE_SJLJ_EXCEPTIONS): Examine the value of
7489 DWARF2_UNWIND_INFO not just whether it is defined.
7491 2001-07-06 Diego Novillo <dnovillo@redhat.com>
7493 * combine.c (combine_simplify_rtx): Also recompute 'mode' if the
7494 call to simplify_binary_operation returns a new pattern.
7496 2001-07-06 Roman Lechtchinsky <rl@cs.tu-berlin.de>
7498 * glimits.h (__SHRT_MAX__): New.
7499 (SHRT_MIN, USHRT_MAX): Define in terms of SHRT_MAX.
7500 (SHRT_MAX): Define in terms of __SHRT_MAX__.
7502 2001-07-06 Jan van Male <jan.vanmale@fenk.wau.nl>
7504 * alias.c (base_alias_check): Cast GET_MODE_UNIT_SIZE to int to
7507 2001-07-06 Richard Henderson <rth@redhat.com>
7509 * bitmap.c (bitmap_release_memory): Move adjacent to the
7510 allocation functions.
7511 (bitmap_first_set_bit, bitmap_last_set_bit): Streamline knowing
7512 the implementation. Binary search for the set bit.
7513 (bitmap_union_of_diff): Allocate the temporary on the stack
7514 instead of using xmalloc.
7516 2001-07-06 Richard Henderson <rth@redhat.com>
7518 * genrecog.c (validate_pattern): Warn for constraints in
7519 define_{expand,split,peephole2}. Remove strict_low_part
7520 before looking up match_dup.
7522 2001-07-06 DJ Delorie <dj@redhat.com>
7524 * doc/gcc.texi (Makefile): Rename to be a more general purpose
7525 chapter about various build hints and history. Add section
7526 talking about the various types of native and cross builds.
7528 2001-07-06 Neil Booth <neil@daikokuya.demon.co.uk>
7530 * Makefile.in (final.o): Depend on target.h.
7531 * final.c: Include target.h.
7532 (default_function_pro_epilogue): New.
7533 (final_start_function): Use target structure for function prologues.
7534 (final_end_function): Use target structure for function epilogues.
7535 * fold-const.c (real_hex_to_f): Constify s and p.
7536 * output.h (default_function_pro_epilogue): New.
7537 * real.h (real_hex_to_f): Update prototype.
7538 * target-def.h (TARGET_ASM_FUNCTION_PROLOGUE,
7539 TARGET_ASM_FUNCTION_EPILOGUE, TARGET_ASM_OUT): New.
7540 (TARGET_INITIALIZER): Update.
7541 * target.h (gcc_target): Add struct asm_out.
7542 * doc/tm.texi: Update.
7545 Update each arch to use TARGET_ASM_FUNCTION_PROLOGUE and
7546 TARGET_ASM_FUNCTION_EPILOGUE. Move macro code to functions
7547 in cpu/cpu.c, or rename old functions consistently. Take
7548 a HOST_WIDE INT not an int as the SIZE parameter. Remove now
7549 redundant macros and prototypes. Make new functions static.
7551 * 1750a/1750a.c: Similarly.
7552 * 1750a/1750a.h: Similarly.
7553 * a29k/a29k-protos.h: Similarly.
7554 * a29k/a29k.c: Similarly.
7555 * a29k/a29k.h: Similarly.
7556 * arc/arc-protos.h: Similarly.
7557 * arc/arc.c: Similarly.
7558 * arc/arc.h: Similarly.
7559 * arm/arm-protos.h: Similarly.
7560 * arm/arm.c: Similarly.
7561 * arm/arm.h: Similarly.
7562 * avr/avr-protos.h: Similarly.
7563 * avr/avr.c: Similarly.
7564 * avr/avr.h: Similarly.
7565 * clipper/clipper-protos.h: Similarly.
7566 * clipper/clipper.c: Similarly.
7567 * clipper/clipper.h: Similarly.
7568 * convex/convex.c: Similarly.
7569 * convex/convex.h: Similarly.
7570 * d30v/d30v-protos.h: Similarly.
7571 * d30v/d30v.c: Similarly.
7572 * d30v/d30v.h: Similarly.
7573 * d30v/d30v.md: Similarly.
7574 * dsp16xx/dsp16xx-protos.h: Similarly.
7575 * dsp16xx/dsp16xx.c: Similarly.
7576 * dsp16xx/dsp16xx.h: Similarly.
7577 * elxsi/elxsi.c: Similarly.
7578 * elxsi/elxsi.h: Similarly.
7579 * fr30/fr30.c: Similarly.
7580 * fr30/fr30.md: Similarly.
7581 * h8300/h8300-protos.h: Similarly.
7582 * h8300/h8300.c: Similarly.
7583 * h8300/h8300.h: Similarly.
7584 * i370/i370-protos.h: Similarly.
7585 * i370/i370.c: Similarly.
7586 * i370/i370.h: Similarly.
7587 * i386/i386.c: Similarly.
7588 * i386/osf1elf.h: Similarly.
7589 * i386/osfrose.h: Similarly.
7590 * i860/i860-protos.h: Similarly.
7591 * i860/i860.c: Similarly.
7592 * i860/i860.h: Similarly.
7593 * i960/i960-protos.h: Similarly.
7594 * i960/i960.c: Similarly.
7595 * i960/i960.h: Similarly.
7596 * ia64/ia64-protos.h: Similarly.
7597 * ia64/ia64.c: Similarly.
7598 * ia64/ia64.h: Similarly.
7599 * m32r/m32r-protos.h: Similarly.
7600 * m32r/m32r.c: Similarly.
7601 * m32r/m32r.h: Similarly.
7602 * m68hc11/m68hc11-protos.h: Similarly.
7603 * m68hc11/m68hc11.c: Similarly.
7604 * m68hc11/m68hc11.h: Similarly.
7605 * m68k/crds.h: Similarly.
7606 * m68k/dpx2.h: Similarly.
7607 * m68k/m68k-protos.h: Similarly.
7608 * m68k/m68k.c: Similarly.
7609 * m68k/m68k.h: Similarly.
7610 * m68k/news.h: Similarly.
7611 * m88k/m88k-protos.h: Similarly.
7612 * m88k/m88k.c: Similarly.
7613 * m88k/m88k.h: Similarly.
7614 * mips/mips-protos.h: Similarly.
7615 * mips/mips.c: Similarly.
7616 * mips/mips.h: Similarly.
7617 * ns32k/merlin.h: Similarly.
7618 * ns32k/ns32k.c: Similarly.
7619 * ns32k/ns32k.h: Similarly.
7620 * ns32k/tek6000.h: Similarly.
7621 * pa/pa-protos.h: Similarly.
7622 * pa/pa.c: Similarly.
7623 * pa/pa.h: Similarly.
7624 * pdp11/2bsd.h: Similarly.
7625 * pdp11/pdp11-protos.h: Similarly.
7626 * pdp11/pdp11.c: Similarly.
7627 * pdp11/pdp11.h: Similarly.
7628 * romp/romp-protos.h: Similarly.
7629 * romp/romp.c: Similarly.
7630 * romp/romp.h: Similarly.
7631 * rs6000/rs6000-protos.h: Similarly.
7632 * rs6000/rs6000.c: Similarly.
7633 * rs6000/rs6000.h: Similarly.
7634 * rs6000/sysv4.h: Similarly.
7635 * sh/sh-protos.h: Similarly.
7636 * sh/sh.c: Similarly.
7637 * sh/sh.h: Similarly.
7638 * sparc/sparc-protos.h: Similarly.
7639 * sparc/sparc.c: Similarly.
7640 * sparc/sparc.h: Similarly.
7641 * vax/vax.c: Similarly.
7642 * vax/vax.h: Similarly.
7643 * vax/vms.h: Similarly.
7644 * we32k/we32k.c: Similarly.
7645 * we32k/we32k.h: Similarly.
7647 Fri Jul 6 11:47:59 2001 Jeffrey A Law (law@cygnus.com)
7649 * basic-block.h (first_insn_after_basic_block_note): Declare.
7650 * flow.c (first_insn_after_basic_block_note): Define. Moved
7652 * ssa.c (first_insn_after_basic_block_note): Remove.
7653 * ssa-dce.c (find_inherently_necessary): Consider BARRIERs
7655 (ssa_eliminate_dead_code): Properly update the CFG and PHI
7656 nodes when we find a dead conditional branch. Insert BARRIERs
7657 after any blocks with no successors, but which do not have
7660 2001-07-06 Zack Weinberg <zackw@stanford.edu>
7662 * varray.c (varray_check_failed): Use internal_error.
7664 2001-07-05 Andrew Haley <aph@redhat.com>
7666 * Makefile.in (LIB2_DIVMOD_FUNCS): New.
7667 (LIB2FUNCS): Move divmod functions to LIB2_DIVMOD_FUNCS.
7668 * mklibgcc.in: Compile LIB2_DIVMOD_FUNCS.
7670 2001-07-02 Jason Merrill <jason_merrill@redhat.com>
7672 * dwarf2out.c (mem_loc_descriptor): Only look through a constant pool
7673 reference if the target constant is also a SYMBOL_REF.
7675 2001-07-05 Eric Christopher <echristo@redhat.com>
7677 * config/mips/mips.h (MASK_MIPS3900): Remove.
7678 (MASK_MIPS16,MASK_NO_CHECK_ZERO_DIV,MASK_CHECK_RANGE_DIV,
7679 MASK_UNINIT_CONST_IN_RODATA): Change for 3900 mask removal.
7680 (TARGET_MIPS3900): Change to use mips_arch.
7681 (TARGET_MIPS4000): New.
7682 (TARGET_MIPS4100): New.
7683 (TARGET_MIPS4300): New.
7684 (TARGET_SWITCHES): Change 3900 and 4650 options to NULL.
7685 (SUBTARGET_TARGET_OPTIONS): Add -march. Change help text
7687 (GENERATE_BRANCHLIKELY): Move TARGET_MIPS3900.
7688 (ISA_HAS_BRANCHLIKELY): To here.
7689 (CC1_CPU_SPEC): New.
7690 (CC1_SPEC): Use here. Remove 4650 and 3900 options.
7691 (mips_arch_string): Declare.
7692 (mips_arch): Declare.
7693 (TARGET_OPTIONS): Add -march and -mtune.
7695 * config/mips/mips.c (mips_arch_string): New.
7697 (override_options): Handle -march for codegen and -mtune
7698 for scheduling. Use mips_arch. Move tx39 target default here.
7699 (mips_parse_cpu): Move error message to override_options.
7701 * config/mips/r3900.h (TARGET_DEFAULT): Remove.
7703 * config/mips/mips.md: Use TARGET_MIPS4000 and TARGET_MIPS4300.
7705 * doc/invoke.texi (Option Summary): Add -march and -mtune entries.
7706 (MIPS Options): Ditto. Change mcpu entry to historical text.
7708 2001-07-05 H.J. Lu (hjl@gnu.org)
7710 * config/mips/mips.c (mips_parse_cpu): New function to parse
7713 2001-07-05 Jim Wilson <wilson@redhat.com>
7715 * config/ia64/lib1funcs.asm: Revert 2001-07-02 change.
7716 * config/ia64/t-ia64: Likewise.
7717 (LIB1ASMFUNCS): Update comment.
7719 2001-07-05 David Edelsohn <edelsohn@gnu.org>
7721 * doc/install.texi (Install GCC: Binaries): Fix typo.
7723 2001-07-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
7725 * config/m68hc11/m68hc11.md ("*ashlsi3"): Operand 1 can be a memory
7726 reference using the stack pointer, adjust it since we push Y
7728 ("*ashrsi3"): Likewise.
7729 ("*lshrsi3"): Likewise.
7731 2001-07-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
7733 * config/m68hc11/m68hc11.h (RETURN_ADDR_RTX): Fix return address
7734 when -fomit-frame-pointer is used.
7736 2001-07-05 Jeffrey Oldham <oldham@codesourcery.com>
7738 * flow.c: Reverse Jan Hubicka's patch of 02July2001.
7739 (try_redirect_by_replacing_jump): Reverse updating properly the
7740 count and frequency information. Reverse removing cc0 setter.
7741 (forwarder_block_p): Reverse fixing for fallthru blocks.
7743 2001-07-05 DJ Delorie <dj@redhat.com>
7745 * gcc.c (TARGET_OPTION_TRANSLATE_TABLE): New.
7746 (translate_options): If the above is defined, use it to map
7747 given options to new options.
7748 * doc/tm.texi: Document it.
7750 2001-07-05 Brad Lucier <lucier@math.purdue.edu>
7751 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
7753 * doc/invoke.texi (Optimize Options): Document that -fgcse may
7754 cause programs using computed gotos to run more slowly.
7756 2001-07-05 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7758 * doc/install.texi (Specific): Markup, spelling and typo fixes.
7760 Consistently require binutils 2.11.2, not prereleases.
7761 (Specific, decstation-*): Canonicalize as mips-dec-*.
7762 (Specific, i?86-*-sco3.2v5*): Remove make bootstrap requirement,
7764 (Specific, m68k-altos): Removed reference to README.altos, deleted.
7765 (Specific, mips-*): Reword MIPS C compiler requirements.
7766 (Specific, powerpc*-*-*): New, mention --with-cpu once.
7767 (Specific, sunv5): Removed, obsolete.
7769 2001-07-05 Nathan Sidwell <nathan@codesourcery.com>
7771 * dwarf2out.c (output_loc_list): Use an all ones mask for
7772 .text asm output and don't rely on long long
7773 literals. Reformat some long lines.
7775 2001-07-05 Andreas Jaeger <aj@suse.de>
7777 * doc/gcc.texi (GNU/Linux): Remove accidental re-add of GPL
7780 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
7782 * dwarf2out.c (dwarf2out_define): Update comment.
7783 (dwarf2out_undef): Ditto.
7784 (dwarf2out_start_source_file): Ditto.
7785 (dwarf2out_end_source_file): Ditto.
7786 (dwarf2out_finish): Output DW_MACINFO_end_file for primary file,
7787 since we never call the start/end debug hook for the primary file.
7789 2001-07-04 Kazu Hirata <kazu@hxi.com>
7791 * config/h8300/h8300.c (get_shift_alg): Remove an extra operand
7794 2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
7796 * cppinit.c (remove_dup_dirs): Inform if a system include
7797 directory is being reordered.
7798 * doc/invoke.texi (Directory Options): GCC warns if you hide a
7800 * doc/cpp.texi (Search Paths): Likewise.
7801 * doc/gcc.texi (Interoperation): Remove information about
7804 2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
7806 * varray.h (VARRAY_TOP_GENERIC_PTR): Remove spurious parameter.
7807 (VARRAY_TOP_CHAR_PTR): Likewise.
7809 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7811 * gcc.c (process_command): Don't assign elements of a const char*.
7813 Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7815 * emit-rtl.c (change_address): Don't abort if invalid address while
7816 reload is in progress.
7818 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
7820 * c-lex.c (cb_file_change): Pass line number to
7821 debug_start_source_file.
7822 (cb_undefine): Pass correct line number to debug_undef.
7824 * toplev.c (debug_start_source_file): Add line number to
7825 parameters. Pass it along to dwarf2out_start_source_file.
7826 (decode_g_option): Stop resetting debug level back to normal when
7827 we change debug formats, unless the current level is
7828 none. (Before, -g3 -gdwarf-2 would use debug level 2, rather than
7831 * toplev.h (debug_start_source_file): Add line number to
7834 * dwarf2out.h (dwarf2out_start_source_file): Add line number to
7837 * dwarf2out.c (dwarf2out_start_source_file): Add line number to
7839 Output debug_macinfo data for starting file if requested.
7840 (dwarf2out_end_source_file): Output debug_macinfo data for ending
7842 (dwarf2out_define): Output debug_macinfo data for defining a macro
7844 (dwarf2out_undef): Output debug_macinfo data for undefining a
7846 (DEBUG_MACINFO_SECTION): New. DWARF2 macro info section name.
7847 (DEBUG_MACINFO_SECTION_LABEL): New. DWARF2 macro info section label.
7848 (macinfo_section_label): New. DWARF2 macro info section label.
7849 (dwarf2out_init): If we want macro info, output the start label
7851 (dwarf2out_finish): If we want macro info, add a DW_AT_macro_info
7852 attribute to the compilation unit die pointing to the macro info.
7854 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
7856 * dwarf2out.c (new_loc_list): Move to inside #ifdef
7857 DWARF2_DEBUGGING_INFO.
7858 (add_loc_descr_to_loc_list): Ditto.
7859 (output_loc_list): Ditto.
7860 Also, fix thinko in curr not being initialized.
7861 (gen_internal_sym): Ditto.
7863 Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7865 * emit-rtl.c (replace_equiv_address): New function.
7866 * expr.h (replace_equiv_address): New declaration.
7867 * explow.c (validize_mem): Call it instead of change_address and
7868 also call if -fforce-addr and address is constant.
7869 * expr.c: Replace more calls to change_address with adjust_address
7870 and/or replace_equiv_address or to validize_mem.
7871 * function.c, regmove.c, config/alpha/alpha.c: Likewise.
7872 * config/arm/arm.md, config/clipper/clipper.md: Likewise.
7873 * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
7874 * config/i370/i370.md, config/i860/i860.md: Likewise.
7875 * config/i960/i960.md, config/mips/mips.c: Likewise.
7876 * config/mips/mips.md, config/pa/pa.md: Likewise.
7877 * config/pdp11/pdp11.md, config/rs6000/rs6000.c: Likewise.
7878 * config/rs6000/rs6000.md, config/sh/sh.md: Likewise.
7880 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7882 * bitmap.c (bitmap_union_of_diff): Don't use BITMAP_ALLOCA.
7884 * bitmap.h (BITMAP_ALLOCA): Don't pass alloca as an argument to a
7887 2001-07-04 Joseph S. Myers <jsm28@cam.ac.uk>
7889 * doc/include: New directory.
7890 * doc/fdl.texi: Move to doc/include/fdl.texi.
7891 * doc/texinfo.tex: Move to doc/include/texinfo.tex.
7892 * doc/include/funding.texi, doc/include/gpl.texi: New files.
7893 * doc/gcc.texi: Use funding.texi and gpl.texi.
7894 * Makefile.in ($(docdir)/cpp.info, $(docdir)/gcc.info,
7895 $(docdir)/cppinternals.info, cpp.dvi. gcc.dvi. cppinternals.dvi):
7896 Update dependencies and use -I $(docdir)/include.
7898 2001-07-04 Anthony Green <green@redhat.com>
7900 * config/v850/t-v850 (v850-c.o): Add missing dependencies.
7902 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
7904 * doc/install.texi (sparc64-*-*): Remove garbage.
7906 Wed Jul 4 09:07:44 2001 Jan van Male <jan.vanmale@fenk.wau.nl>
7908 * i386.c (ix86_expand_builtin, case IX86_BUILTIN_SETPS):
7909 Fix typo in last change to use adjust_address.
7911 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
7913 * doc/install.texi (Specific): Update information for *-*-solaris*.
7915 Tue Jul 3 22:33:15 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7917 * explow.c (plus_constant_wide): Reinitialize Y for restart.
7919 2001-07-03 Stan Shebs <shebs@apple.com>
7921 * config/darwin.h (SECTION_FUNCTION): Remove WAS_TEXT argument, remove
7922 case for flag_no_mach_text_sections.
7923 (EXTRA_SECTION_FUNCTIONS): Remove arg from uses of SECTION_FUNCTION.
7924 * config/darwin.c (flag_no_mach_text_sections): Remove.
7925 * config/darwin-protos.h (darwin_init_pragma): Remove decl.
7927 Tue Jul 3 15:35:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7929 * explow.c (plus_constant_wide, case PLUS): Call find_constant_term
7930 and avoid checking for constant as first operand.
7931 * recog.c (find_constant_term_loc): No longer static.
7932 (adj_offettable_operand): Delete.
7933 * rtl.h (adj_offsettable_operand): Delete declaration.
7934 (find_constant_term): Add declaration.
7935 * caller-save.c: Replace calls to adj_offsettable_operand with calls
7937 * config/arm/arm.c, config/c4x/c4x.c: Likewise.
7938 * config/clipper/clipper.md, config/h8300/h8300.c: Likewise.
7939 * config/i386/i386.c, config/i386/i386.md: Likewise.
7940 * config/i860/i860.c, config/i960/i960.c: Likewise.
7941 * config/i960/i960.md, config/m68hc11/m68hc11.c: Likewise.
7942 * config/m68k/m68k.c, config/m68k/m68k.md: Likewise.
7943 * config/m88k/m88k.md, config/mcore/mcore.c: Likewise.
7944 * config/mips/mips.c, config/mips/mips.md: Likewise.
7945 * config/mn10200/mn10200.c, config/mn10300/mn10300.c: Likewise.
7946 * config/ns32k/ns32k.c, config/ns32k/ns32k.md: Likewise.
7947 * config/pa/pa.c, config/pdp11/pdp11.c: Likewise.
7948 * config/pdp11/pdp11.md, config/sh/sh.c, config/v850/v850.c: Likewise.
7949 * config/vax/vax.md, config/ns32k/ns32k.c: Likewise.
7950 * config/ns32k/ns32k.md: Likewise.
7952 2001-07-03 Zack Weinberg <zackw@stanford.edu>
7954 * rtl.c (copy_rtx): Handle 'T' format letter.
7955 * gensupport.c (collect_insn_data): Likewise.
7956 * print-rtl.c (print_rtx): Print 'T' slots like 's'.
7958 2001-07-03 Nick Clifton <nickc@cambridge.redhat.com>
7960 * doc/invoke.texi (Directory Options): Specifiy range for <N> in
7961 -B option. Use 'dir' not 'foo' as example directory name.
7963 2001-07-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7965 * config/i386/sol2.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
7966 Fixes PRs bootstrap/3067, bootstrap/3249, bootstrap/3275.
7968 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
7970 * doc/cppinternals.texi: Improve formatting and logical markup.
7972 2001-07-03 Andreas Jaeger <aj@suse.de>
7974 * Makefile.in (insn-recog.o): Add dependency on reload.h.
7976 * genrecog.c (write_header): Include reload.h for prototypes in
7979 2001-07-03 Neil Booth <neil@daikokuya.demon.co.uk>
7982 * i386/cygwin.h (VALID_MACHINE_DECL_ATTRIBUTE,
7983 VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
7984 * i386/i386-protos.h (i386_pe_valid_decl_attribute_p,
7985 i386_pe_valid_type_attribute_p): Add.
7986 * i386/i386.c (TARGET_INITIALIZER): Override for cygwin targets.
7987 * i386/winnt.c (i386_valid_decl_attribute_p): Return directly.
7989 Mon Jul 2 21:52:19 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7991 * explow.c (plus_constant_wide, case LO_SUM): New case.
7992 (plus_constant_for_output_wide): Delete.
7993 * rtl.h (plus_constant_for_output): Delete.
7994 * alias.c (canon_rtx, init_alias_analysis): Call plus_constant
7995 instead of plus_constant_for_output.
7996 * recog.c (offsettable_address_p, adj_offsettable_operand): Likewise.
7997 * config/darwin.c, config/arm/arm.c, config/m68k/m68k.c: Likewise.
7998 * config/m88k/m88k.c, config/mips/mips.c, config/pa/pa.c: Likewise.
7999 * config/rs6000/rs6000.c, config/sparc/sparc.c: Likewise.
8000 * config/sparc/sparc.md: Likewise.
8001 Convert some change_address calls to adjust_address.
8003 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
8005 * doc/extend.texi, doc/gcc.texi, doc/invoke.texi, doc/md.texi,
8006 doc/rtl.texi, doc/tm.texi: Improve formatting. Improve
8007 documentation of -std and -Wwrite-strings.
8009 2001-07-02 Geoffrey Keating <geoffk@redhat.com>
8011 * cse.c (canon_hash): Don't register registers in very small
8012 register classes, as extending their lifetime might cause
8015 Mon Jul 2 23:14:00 CEST 2001 Jan Hubicka <jh@suse.cz>
8017 * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
8019 * flow.c (forwarder_block_p): Fix for fallthru blocks.
8020 (try_redirect_by_replacing_jump): Update properly the count
8021 and frequency information.
8023 Mon Jul 2 14:20:13 2001 Jeffrey A Law (law@cygnus.com)
8025 * toplev.c (dump_file_index): Move SSA dumps just after first
8027 (dump_file): Corresponding changes.
8028 (rest_of_compilation): Move SSA path to just after the first
8030 * doc/gcc.texi (Passes): Update due to movement of SSA path.
8031 * doc/invoke.texi: Update dump file #s as they were completely
8032 out of date with reality.
8034 2001-07-02 Geoffrey Keating <geoffk@redhat.com>
8036 * doc/tm.texi (Frame Layout): Document STACK_PUSH_CODE.
8038 * expr.c (emit_move_insn_1): Deal with non-default
8041 * expr.c (emit_single_push_insn): Fix warning.
8043 2001-07-02 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
8045 * expr.c (emit_move_insn_1): Avoid modifying
8046 cfun->expr->x_stack_pointer when PUSH_ROUNDING is defined.
8048 Mon Jul 2 15:33:31 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8050 * emit-rtl.c (adjust_address): New function.
8051 * expr.h (adjust_address): Add declaration.
8052 * builtins.c: Replace some calls to change_address with calls to it
8054 * caller-save.c, dwarf2out.c, except.c, expmed.c, expr.c: Likewise.
8055 * function.c, config/a29k/a29k.md, config/alpha/alpha.c: Likewise.
8056 * config/arm/arm.c, config/convex/convex.c: Likewise.
8057 * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
8058 * config/i386/i386.c, config/i386/i386.md: Likewise.
8059 * config/ia64/ia64.c, config/ia64/ia64.md: Likewise.
8060 * config/m32r/m32r.c, config/m68k/m68k.md: Likewise.
8061 * config/m88k/m88k.c, config/mips/mips.md: Likewise.
8062 * config/ns32k/ns32k.c, config/rs6000/rs6000.c: Likewise.
8063 * config/sh/sh.c, config/sparc/sparc.md: Likewise.
8065 2001-07-02 Jim Wilson <wilson@redhat.com>
8067 * config/ia64/ia64.h: Delete obsolete lib1funcs.asm comment.
8069 2001-07-02 Steve Ellcey <sje@cup.hp.com>
8071 * config/ia64/t-ia64: Change LIB1ASMFUNCS to use single underscore.
8072 * config/ia64/lib1funcs.asm: Change macro names to match t-ia64.
8074 2001-07-02 Zack Weinberg <zackw@stanford.edu>
8076 * cppinit.c (lang_defaults): New table.
8077 (set_lang): Just read from lang_defaults into the live options
8080 2001-07-02 Zack Weinberg <zackw@stanford.edu>
8082 * Makefile.in (doc): Depend on $(GENERATED_MANPAGES).
8083 * doc/.cvsignore: Add gcc.1, cpp.1, gcov.1.
8084 * doc/gcc.1, doc/cpp.1, doc/gcov.1: Removed.
8086 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8088 * doc/install.texi: Various spelling and markup fixes.
8089 (Installing GCC): Component specific installation instructions are
8092 Warn about removing old install dir in the presence of shared libs.
8093 (Configuration): Invoke with options target to match configure
8095 Consistently refer to gas, gld pathnames.
8096 Invert --enable-multilib documentation.
8097 Remove references to old compiler versions.
8099 Mon Jul 2 12:50:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8101 * flow.c (try_simplify_condjump): Fix typo in updating fallthru flags.
8103 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8105 * doc/install.texi (Specific, mips*-sgi-irix4): Split from IRIX 5
8107 (Specific, mips*-sgi-irix5): Note IDO download.
8108 Reworded MIPS C hints.
8109 Use GNU as instead of GAS.
8111 Removed SGI Freeware reference, IRIX 6 only.
8112 (Specific, mips*-sgi-irix6): Removed ranlib caveats, obsolete.
8113 Note N64 library requirement/workaround.
8115 Complete list of structure passing bug victims.
8117 2001-07-02 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8119 * doc/install.texi: Remove CVS Id.
8121 2001-07-02 Andreas Jaeger <aj@suse.de>
8123 * ssa-dce.c (note_inherently_necessary_set): Add unused attribute.
8124 (find_inherently_necessary): Remove unused variable.
8126 2001-07-02 Nathan Sidwell <nathan@codesourcery.com>
8128 * c-common.h (TDI_inlined): New ast dump phase.
8129 (dump_flag_name): New function.
8130 * c-dump.c (dump_files): Add inlined phase.
8131 (dump_flag_name): Define.
8132 * doc/invoke.texi (-fdump-ast-inlined): Document.
8134 Mon Jul 2 06:29:36 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8136 * stor-layout.c (layout_decl): Revert change to handling of alignment
8139 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8141 * c-common.c (decl_attributes, case A_MODE): Don't call layout_decl
8144 2001-07-01 Geoffrey Keating <geoffk@redhat.com>
8146 * doc/tm.texi (FUNCTION_ARG): Document that the last call
8149 2001-07-01 Nathan Sidwell <nathan@codesourcery.com>
8151 * tlink.c (recompile_files): Remove COMPILER_PATH and
8152 LIBRARY_PATH from the environment.
8154 2001-07-01 Zack Weinberg <zackw@stanford.edu>
8156 * c-common.h (enum rid): Add RID_FIRST_AT, RID_LAST_AT,
8157 RID_LAST_PQ. Move RID_FIRST_PQ down with the other FIRST/LAST
8159 (OBJC_IS_AT_KEYWORD, OBJC_IS_PQ_KEYWORD): New macros.
8161 * c-parse.in (OBJC_STRING): Kill.
8162 (objc_string): Decompose to [objc_string] '@' STRING.
8163 (reswords): Take the leading '@' off all the Objective C keywords.
8164 (objc_rid_sans_at): Kill.
8165 (init_reswords): Don't initialize it.
8166 (yylexname): Use OBJC_IS_AT_KEYWORD and OBJC_IS_PQ_KEYWORD.
8167 (_yylex): Kill reconsider label. Look ahead one token after
8168 an '@'; if we get an identifier, check whether it's an
8169 Objective C @-keyword. If so, return the keyword. Otherwise,
8170 put back the token and return the '@' as a terminal.
8172 * cpplib.c (lex_macro_node): Remove unnecessary check for
8173 leading '@' on identifier. Clarify control flow and commentary.
8175 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8177 * cse.c (new_label_ref): Variable deleted.
8178 (insert): Remove set of new_label_ref.
8179 (check_for_label_ref): New function.
8180 (cse_basic_block): Don't check new_label_ref; call check_for_label_ref.
8182 See ChangeLog.5 for earlier changes.