1 2001-09-14 Nick Clifton <nickc@cambridge.redhat.com>
3 * haifa-sched.c: Fix typo in FSF copyright statement.
4 * sched-deps.c: Fix typo in FSF copyright statement.
5 * sched-ebb.c: Fix typo in FSF copyright statement.
6 * sched-rgn.c: Fix typo in FSF copyright statement.
7 * sched-vis.c: Fix typo in FSF copyright statement.
9 * config.gcc: Move inclusion of arm elf specific header files
10 from the files themselves into the tm_file variable. Make
11 sure that elfos.h is included before target specific elf
13 * config/arm/aout.h (NO_DOLLAR_IN_LABEL): Only define if not
15 (ASM_OUTPUT_ASCII, ASM_OUTPUT_SKIP): Protect definition.
16 * config/arm.arm.h (TARGET_MEM_FUNCTIONS,
17 ASM_OUTPUT_CASE_LABEL): Protect definition.
18 (CC1_SPEC, FP_DEFAULT, ARM_FUNCTION_PROFILE): Only define if
20 * config/arm/conix-elf.h: (USER_LABEL_PREFIX,
21 LOCAL_LABEL_PREFIX, MAKE_DECL_ONE_ONLY, UNIQUE_SECTION):
22 Remove duplicate definition.
23 (READONLY_DATA_SECTION, SUBTARGET_EXTRA_SECTION,
24 (SUBTARGET_EXTRA_SECTION_FUNCTION, RDATA_SECTION_ASM_OP,
25 (RDATA_SECTION_FUNCTION): Remove redundant definition.
26 (STARTFILE_SPEC, ENDFILE_SPEC): Protect definition.
27 Remove inclusion of arm/elf.h.
28 * config/arm/unknown-elf.h: as for conix-elf.h.
29 (STARTFILE_SPEC): Include crti.o and crtn.o.
30 * config/arm/linux-elf.h: as for conix-elf.h.
31 * config/arm/ecos-elf.h: Remove inclusion of unknown-elf.h.
32 * config/arm/strongarm-elf.h: Remove inclusion of
34 * config/arm/xscale-elf.h: Remove inclusion of unknown-elf.h.
35 * config/arm/unknown-elf-oabi.h: Remove inclusion of
36 unknown-elf.h and elf.h.
37 * config/arm/uclinux-elf.h: Remove inclusion of linux-elf.h.
38 * config/arm/linux-gas.h (DBX_DEBUGGING_INFO,
39 ASM_WEAKEN_LABEL): Remove redundant definition.
40 * config/arm/elf.h: Test for inclusion of elfos.h
41 (USER_LABEL_PREFIX, ASM_DECLARE_RESULT, ASM_DECLARE_RESULT,
42 ASM_DECLARE_OBJECT_NAME, ASM_FINISH_DECLARE_OBJECT_NAME,
43 SUBTARGET_EXTRA_SECTION, SUBTARGET_EXTRA_SECTION_FUNCTION,
44 EXTRA_SECTIONS, INT_ASM_OP, ASM_WEAKEN_LABEL): Remove
46 (TYPE_OPERAND_FMT, ASM_DECLARE_FUNCTION_NAME,
47 ASM_DECLARE_FUNCTION_SIZE, ASM_OUTPUT_INTERNAL_LABEL,
48 ASM_OUTPUT_ALIGNED_COMMON): Protect definition.
49 * t-arm-elf (EXTRA_MULTILIB_PARTS): Add crti.o and crtn.o.
50 Add rules to build crti.o and crtn.o
54 2001-09-13 Neil Booth <neil@daikokuya.demon.co.uk>
56 * c-parse.in (_yylex): Use _cpp_backup_tokens.
57 * cpphash.h (struct tokenrun): Add prev.
58 (struct lexer_state): Remove bol.
59 (struct cpp_reader): Remove old lookahead stuff, add lookaheads.
60 (_cpp_free_lookaheads, _cpp_release_lookahead, _cpp_push_token)
62 * cppinit.c (cpp_create_reader): Don't set bol.
63 (cpp_destroy): Don't free lookaheads.
64 * cpplex.c (lex_directive): Remove.
65 (next_tokenrun): Update.
66 (_cpp_lex_token): Clean up logic.
67 (lex_token): Update to return a pointer to lexed token, since it
68 can move to the start of the buffer. Simpify newline handling.
69 * cpplib.c (SEEN_EOL): Update.
70 (skip_rest_of_line): Remove lookahead stuff.
71 (end_directive): Line numbers are already incremented. Revert
72 to start of lexed token buffer if we can.
73 (_cpp_handle_directive, do_pragma, do_pragma_dependency,
74 parse_answer): Use _cpp_backup_tokens.
75 (run_directive, cpp_pop_buffer): Don't set bol, set saved_flags
76 instead. Don't check for EOL.
77 (do_include_common, do_line, do_pragma_system_header): Use
79 * cpplib.h (BOL, _cpp_backup_tokens): New.
80 * cppmacro.c (save_lookahead_token, take_lookahead_token,
81 alloc_lookahead, free_lookahead, _cpp_free_lookaheads,
82 cpp_start_lookahead, cpp_stop_lookahead, _cpp_push_token): Remove.
83 (builtin_macro): Don't use cpp_get_line.
84 (cpp_get_line): Short term kludge.
85 (parse_arg): Handle directives in arguments here. Back up when
86 appropriate. Store EOF at end of argument list.
87 (funlike_invocation_p): Use _cpp_backup_tokens.
88 (push_arg_context): Account for EOF at end of list.
89 (cpp_get_token): Remove lookahead stuff. Update.
91 2001-09-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
93 * c-parse.in (yyerror): Const-ification and/or static-ization.
94 * c-typeck.c (push_member_name): Likewise.
95 * collect2.c (main): Likewise.
96 * dbxout.c (dbxout_parms): Likewise.
97 * diagnostic.c (format_with_decl): Likewise.
98 * dwarf2out.c (output_ranges): Likewise.
99 * dwarfout.c (fundamental_type_code): Likewise.
100 * except.c (dw2_output_call_site_table): Likewise.
101 * gcc.c (do_spec_1): Likewise.
102 * genopinit.c (optabs): Likewise.
103 * objc/objc-act.c (synth_id_with_class_suffix, start_class,
104 gen_declaration_1, handle_impent): Likewise.
105 * protoize.c (default_include, in_system_include_dir, abspath):
107 * sched-vis.c (visualize_stall_cycles): Likewise.
108 * sdbout.c (plain_type_1, sdbout_end_function,
109 sdbout_end_epilogue): Likewise.
110 * varasm.c (decode_reg_name): Likewise.
112 * 1750a.c (mod_regno_adjust): Likewise.
113 * alpha.c (alpha_write_one_linkage,
114 unicosmk_output_default_externs): Likewise.
115 * arm.c (arm_condition_codes): Likewise.
116 * arm.h (arm_condition_codes): Likewise.
117 * avr.c (output_movsisf, encode_section_info): Likewise.
118 * darwin.h (GEN_BINDER_NAME_FOR_STUB, GEN_SYMBOL_NAME_FOR_SYMBOL):
120 * i386.c (hi_reg_name, qi_reg_name, qi_high_reg_name): Likewise.
121 * i386.h (hi_reg_name, qi_reg_name, qi_high_reg_name): Likewise.
122 * m88k.c (output_function_profiler): Likewise.
123 * mips.c (mips_output_conditional_branch): Likewise.
124 * ns32k.c (ns32k_out_reg_names): Likewise.
125 * ns32k.h (ns32k_out_reg_names): Likewise.
126 * pj.c (pj_output_rval): Likewise.
127 * rs6000.c (GEN_LOCAL_LABEL_FOR_SYMBOL): Likewise.
128 * sparc.c (sparc_flat_function_prologue,
129 sparc_flat_function_epilogue): Likewise.
131 2001-09-13 Markus Werle <numerical.simulation@web.de>
132 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
134 * doc/install.texi (Binaries): Add "Binaries for HP-UX 11.00 at
135 Aachen University of Technology".
137 2001-09-13 Andreas Schwab <schwab@suse.de>
139 * config/float-m68k.h: Define DECIMAL_DIG and FLT_EVAL_METHOD for
142 2001-09-13 Richard Henderson <rth@redhat.com>
144 * config/alpha/alpha.c (small_symbolic_operand): New.
145 (override_options): Set MASK_SMALL_DATA based on pic/PIC.
146 (some_operand, input_operand): Don't handle HIGH.
147 (alpha_legitimize_address): Use it. Emit HIGH with PLUS gp.
148 (alpha_expand_mov): Likewise.
149 (print_operand) [H]: Just print HIGH symbol.
150 (print_operand_address): Handle small data.
151 * config/alpha/alpha.h (MASK_SMALL_DATA, TARGET_SMALL_DATA): New.
152 (TARGET_SWITCHES): Add -msmall-data/large-data.
153 (PIC_OFFSET_TABLE_REGNUM): New.
154 (PREFERRED_RELOAD_CLASS): Don't handle HIGH.
155 (PREDICATE_COES): Update.
156 * config/alpha/alpha.md (adddi_er_high): New.
157 (adddi_er_low): Handle small data.
158 * config/alpha/elf.h (DO_SELECT_SECTION): If SMALL_DATA,
159 prefer .sdata to .rodata.
160 (SELECT_RTX_SECTION): Likewise.
162 2001-09-12 Josh Martin <josh.martin@abq.sc.philips.com>
164 * fixinc/inclhack.def(hpux11_size_t): Keep HP-UX headers from
165 defining __size_t and leaving size_t undefined.
167 2001-09-12 Diego Novillo <dnovillo@redhat.com>
169 * basic-block.h (expunge_block): Declare.
170 * cfg.c (expunge_block): Remove static declaration.
172 2001-09-12 Richard Henderson <rth@redhat.com>
174 * integrate.c (copy_insn_list): Copy label name from
175 NOTE_INSN_DELETED_LABEL.
177 2001-09-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
179 * c-common.c (c_tree_code_name): Const-ification.
180 * c-decl.c (c_decode_option): Likewise.
181 * c-typeck.c (warn_for_assignment): Likewise.
182 * collect2.c (libexts, is_ctor_dtor, main, ignore_library):
184 * cppinit.c (output_deps): Likewise.
185 * dependence.c (dependence_string, direction_string): Likewise.
186 * dwarf2out.c (output_ranges): Likewise.
187 * fixinc/fixfixes.c (emit_gnu_type): Likewise.
188 * fixinc/gnu-regex.c (re_error_msgid): Likewise.
189 * gcc.c (standard_exec_prefix, standard_exec_prefix_1,
190 standard_startfile_prefix, standard_startfile_prefix_1,
191 standard_startfile_prefix_2, tooldir_base_prefix,
192 standard_bindir_prefix, find_a_file): Likewise.
193 * genattrtab.c (make_length_attrs): Likewise.
194 * gencheck.c (tree_codes): Likewise.
195 * genemit.c (gen_split): Likewise.
196 * genrecog.c (special_mode_pred_table): Likewise.
197 * graph.c (graph_ext): Likewise.
198 * protoize (default_include): Likewise.
199 * reload.c (reload_when_needed_name): Likewise.
200 * sched-vis.c (visualize_stall_cycles): Likewise.
201 * tlink.c (recompile_files): Likewise.
202 * toplev.c (decode_g_option): Likewise.
203 * tradcpp.c (output_deps): Likewise.
204 * varasm.c (decode_reg_name): Likewise.
206 * arm.c (arm_condition_codes, strings_fpa, thumb_condition_code):
209 * avr.c (avr_regnames, encode_section_info): Likewise.
210 * c4x.c (float_reg_names): Likewise.
211 * darwin.h (ASM_GLOBALIZE_LABEL): Likewise.
212 * elfos.h (const_section): Likewise.
213 * i386.c (ix86_comp_type_attributes): Likewise.
214 * i386/win32.h (STRIP_NAME_ENCODING): Likewise.
215 * ia64/aix.h (UNIQUE_SECTION): Likewise.
216 * ia64.c (type_names): Likewise.
217 * m68hc11.c (reg_class_names): Likewise.
218 * m88k.c (m_options): Likewise.
219 * mips.c (mips_output_conditional_branch, mips_unique_section):
221 * rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
222 * sparc.c (sparc_flat_function_prologue, sparc_flat_function_epilogue,
223 ultra_code_names): Likewise.
224 * sparc.h (OVERRIDE_OPTIONS): Likewise.
226 2001-09-12 Jakub Jelinek <jakub@redhat.com>
228 * configure.in (gcc_cv_as_shf_merge): Fix a typo.
229 Use --fatal-warnings option for gas.
230 * configure: Rebuilt.
232 2001-09-12 Roman Lechtchinsky <rl@cs.tu-berlin.de>
234 * doc/install.texi (Specific, alphaev5-cray-unicosmk*): Document.
236 2001-09-11 Jim Wilson <wilson@redhat.com>
238 * alias.c (clear_reg_alias_info): Only handle pseudo registers.
240 2001-10-11 Matt Kraai <kraai@alumni.carnegiemellon.edu>
242 * builtins.c (c_strlen): Treat an offset too large for a
243 HOST_WIDE_INT as out of range.
245 Tue Sep 11 18:57:47 CEST 2001 Jan Hubicka <jh@suse.cz>
247 * basic-block.h (EDGE_CRITICAL): Remove; renumber other flags.
248 (EDGE_CRITICAL_P): New predicate.
249 * cfg.c (force_nonfallthru_and_redirect, split_edge): Kill EDGE_CRITICAL
251 (insert_insn_on_edge): Use EDGE_CRITICAL_P.
252 (dump_edge_info): Remove "crit".
253 * cfganal.c (mark_critical_edges): Kill.
254 * cfgbuild.c (find_basic_blocks): Remove mark_critical_edges call.
255 * cfgcleanup.c (cleanup_cfg): Likewise.
256 * profile.c (instrument_edges): Use EDGE_CRITICAL_P.
257 (find_spanning_tree): Likewise.
258 * reg-stack.c (convert_regs_1): Likewise.
259 * ssa.c (mark_regs_equivalent_over_bad_edges): Likewise.
261 * basic-block.h (create_basic_block_structure): New.
262 (create_basic_block): Update prototype.
263 (force_nonfallthru): New.
264 * bb-reorder.c (fixup_reorder_chain): Fixup use force_nonfallthru.
265 * cfg.c (create_basic_block_structure): Rename from create_basic_block;
266 handle updating of block_for_insn, creating of empty BBs and BBs at
267 the end of INSN chain.
268 (create_basic_block): New function.
269 (split_block): Use create_basic_block.
270 (force_nonfallthru_and_redirect): Break out from ...; cleanup
271 (redirect_edge_and_branch_force): ... here.
272 (force_nonfallthru): New.
273 (split_edge): Rewrite to use force_nonfallthru and create_block.
274 * cfgbuild.c (find_basic_blocks_1): Use create_basic_block_structure.
275 (find_basic_blocks): Free basic_block_for_insn.
276 * cfgcleanup.c (merge_blocks): Use force_nonfallthru.
278 * cfg.c: Fix formating.
279 * cfgcleanup.c: Fix formating.
280 (merge_blocks, tail_recursion_label_p): Return bool.
281 (merge_blocks_move_predecessor_nojumps,
282 merge_blocks_move_successor_nojumps): Return void.
284 2001-09-11 Jakub Jelinek <jakub@redhat.com>
286 * configure.in: Check whether assembler supports section merging.
287 * config.in: Rebuilt.
288 * configure: Rebuilt.
289 * varasm.c (variable_section, output_constant_pool): Pass alignment
290 to SELECT_SECTION and SELECT_RTX_SECTION.
291 (mergeable_string_section): New.
292 (mergeable_constant_section): New.
293 (default_elf_asm_named_section): Output SECTION_MERGE and
294 SECTION_STRINGS flags plus SECTION_ENTSIZE entity size.
295 * output.h (mergeable_string_section): New.
296 (mergeable_constant_section): New.
297 (SECTION_MERGE, SECTION_STRINGS, SECTION_ENTSIZE): Define.
298 * toplev.c (flag_merge_constants): New.
299 (f_options): Add -fmerge-constants and -fmerge-all-constants
301 (toplev_main): Default to -fno-merge-constants if not optimizing.
302 * flags.h (flag_merge_constants): Add extern.
303 * invoke.texi (-fmerge-constants, -fmerge-all-constants): Document.
304 * tm.texi (SELECT_SECTION, SELECT_RTX_SECTION): Document added third
306 * config/elfos.h (ASM_SECTION_START_OP, ASM_OUTPUT_SECTION_START):
307 Define if assembler has working .subsection -1 support.
308 (SELECT_RTX_SECTION, SELECT_SECTION): Add third macro argument.
309 Put constant into special SHF_MERGE sections if the linker should
310 attempt to merge duplicates.
311 * config/ia64/sysv4.h (SELECT_RTX_SECTION, SELECT_SECTION): Add third
313 Put constant into special SHF_MERGE sections if the linker should
314 attempt to merge duplicates.
315 * config/alpha/elf.h: Likewise.
316 (ASM_SECTION_START_OP, ASM_OUTPUT_SECTION_START): Define if assembler
317 has working .subsection -1 support.
318 * config/nextstep.h: Add third argument to SELECT_RTX_SECTION and
320 * config/svr3.h: Likewise.
321 * config/darwin.h: Likewise.
322 * config/arm/aof.h: Likewise.
323 * config/arm/linux-elf.h: Likewise.
324 * config/avr/avr.h: Likewise.
325 * config/c4x/c4x.h: Likewise.
326 * config/d30v/d30v.h: Likewise.
327 * config/i386/dgux.h: Likewise.
328 * config/i386/osfrose.h: Likewise.
329 * config/i386/sco5.h: Likewise.
330 * config/i386/svr3gas.h: Likewise.
331 * config/ia64/aix.h: Likewise.
332 * config/m32r/m32r.h: Likewise.
333 * config/m68k/m68k.h: Likewise.
334 * config/m88k/dgux.h: Likewise.
335 * config/m88k/m88k.h: Likewise.
336 * config/mcore/mcore-pe.h: Likewise.
337 * config/mips/mips.h: Likewise.
338 * config/pa/pa.h: Likewise.
339 * config/pa/pa-linux.h: Likewise.
340 * config/romp/romp.h: Likewise.
341 * config/rs6000/sysv4.h: Likewise.
342 * config/rs6000/xcoff.h: Likewise.
343 * config/s390/linux.h: Likewise.
344 * config/sparc/sparc.h: Likewise.
345 * config/sparc/sysv4.h: Likewise.
346 * config/stormy16/stormy16.h: Likewise.
347 * config/v850/v850.h: Likewise.
348 * config/vax/vms.h: Likewise.
349 * config/arm/arm.c (arm_elf_asm_named_section): Output SECTION_MERGE
350 and SECTION_STRINGS flags plus SECTION_ENTSIZE entity size.
351 * config/sparc/sparc.c (sparc_elf_asm_named_section): Use
352 default_elf_asm_named_section for SHF_MERGE sections.
354 Tue Sep 11 17:55:54 CEST 2001 Jan Hubicka <jh@suse.cz>
356 * bb-reorder.c (fixup_reorder_chain): Fallthru edge to exit block
359 2001-09-11 Joseph S. Myers <jsm28@cam.ac.uk>
361 * c-common.c (split_specs_attrs): Allow for empty attributes with
362 empty TREE_PURPOSE. Fixes PR c/4294.
364 Tue Sep 11 11:37:52 CEST 2001 Jan Hubicka <jh@suse.cz>
366 * basic-block.h (cached_make_edge, make_single_succ): New.
367 (make_edge): Remove first parameter.
368 * bb-reroder.c (fixup_reorder_chain): Use make_single_succ_edge.
369 * cfg.c (cached_make_edge): Rename from make_edge; return newly
370 created edge; use obstack allocation.
371 (make_edge, make_single_succ_edge): New.
372 (first_removed_edge): New static variable.
373 (init_flow): Initialize first_removed_edge and n_edges.
374 (clear_edges): Use remove_edge.
375 (flow_delete_block): Likewise.
376 (remove_edge): Add removed edges to the removed edges list.
377 (split_block, redirect_edge_and_branch_force, split_edge):
379 * cfganal.c (flow_call_edges_add): Updaet make_edge call.
380 (add_noreturn_fake_exit_edges): Likewise.
381 (connect_infinite_loops_to_exit): Liekwise.
382 * cfgbuild.c (make_label_edge, make_edges, find_sub_basic_blocks):
383 Use cached_make_edge.
384 * cfgcleanup.c (try_crossjump_to_edge): Use make_single_succ_edge.
385 * profile.c (branch_prob): Update make_edge call.
386 * ssa-dce.c (ssa_eliminate_dead_code): Likewise.
388 2001-09-11 Richard Henderson <rth@redhat.com>
390 * config/alpha/alpha.c: Tidy formatting.
391 (local_symbolic_operand): Verify mode.
392 (alpha_sa_mask): Ignore unicos for eh_return.
393 (alpha_expand_epilogue): Handle sp_adj2 zero, not NULL.
394 * config/alpha/alpha.md (umk divsi patterns): Remove.
395 (extendsfdf2): Remove unicos check.
396 (tablejump): Merge vms and unicos code; always use direct set
399 2001-09-11 Roman Lechtchinsky <rl@cs.tu-berlin.de>
401 * config.gcc (alpha*-*-unicosmk*): New target.
403 * config/alpha/alpha-protos.h (symbolic_operand,
404 unicosmk_add_call_info_word, unicosmk_add_extern,
405 unicosmk_defer_case_vector, unicosmk_unique_section,
406 unicosmk_output_align, unicosmk_text_section, unicosmk_data_section,
407 unicosmk_asm_file_start, unicosmk_asm_file_end,
408 unicosmk_output_common): Declare.
410 * config/alpha/alpha.c (NUM_ARGS, override_options, call_operand,
411 direct_return, function_arg, alpha_va_start, alpha_va_arg,
412 alpha_does_function_need_gp, alpha_end_function): Support Cray
414 (alpha_init_machine_status, alpha_mark_machine_status,
415 alpha_free_machine_status, unicosmk_output_deferred_case_vectors,
416 unicosmk_gen_dsib, unicosmk_output_ssib, unicosmk_need_dex,
417 unicosmk_asm_named_section, unicosmk_insert_attributes,
418 unicosmk_section_type_flags, symbolic_operand,
419 unicosmk_output_module_name, unicosmk_output_default_externs,
420 unicosmk_output_dex, unicosmk_output_externs,
421 unicosmk_output_addr_vec, unicosmk_ssib_name,
422 unicosmk_initial_elimination_offset, unicosmk_asm_file_start,
423 unicosmk_asm_file_end, unicosmk_output_common,
424 unicosmk_section_type_flags, unicosmk_unique_section,
425 unicosmk_add_call_info_word, unicosmk_text_section,
426 unicosmk_data_section, unicosmk_extern_list, unicosmk_extern_head,
427 unicosmk_add_extern, unicosmk_dex, unicosmk_dex_list,
428 unicosmk_dex_count, unicosmk_special_name): New.
429 (TARGET_INSERT_ATTRIBUTES, TARGET_SECTION_TYPE_FLAGS): Define for
431 (get_aligned_mem, alpha_expand_unaligned_load,
432 alpha_expand_unaligned_store, alpha_expand_unaligned_load_words,
433 alpha_expand_unaligned_store_words): Support big-endian mode.
434 (print_operand): Likewise. New format specifier 't'. Use
435 TARGET_AS_SLASH_BEFORE_SUFFIX.
436 (alpha_is_stack_procedure): Rename from vms_is_stack_procedure.
437 (alpha_pv_save_size): Update with above change.
438 (alpha_sa_mask, alpha_sa_size, alpha_expand_prologue,
439 alpha_start_function, alpha_expand_epilogue): Likewise. Support Cray
442 * config/alpha/alpha.h (TARGET_ABI_UNICOSMK): New.
443 (TARGET_ABI_OSF): Exclude TARGET_ABI_UNICOSMK.
444 (TARGET_AS_SLASH_BEFORE_SUFFIX): New.
445 (EXTRA_CONSTRAINT): New constraint 'U'.
446 (PREDICATE_CODES): Add symbolic_operand.
448 * config/alpha/alpha.md (UNSPEC_UMK_LAUM, UNSPEC_UMK_LALM,
449 UNSPEC_UMK_LAL, UNSPEC_UMK_LOAD_CIW): New constants.
450 (mulsi3, *mulsi_se, mulvsi3): Disable for TARGET_ABI_UNICOSMK.
451 (integer division and modulus patterns): Split in default and
453 (*divmodsi_internal, *divmoddi_internal): Disable for
455 (unaligned_extend?idi, unaligned_load?i, unaligned_store?i): Split in
456 little-endian and big-endian versions.
457 (ext, ins, msk): Likewise.
458 (extv, extzv, insv): Support big-endian mode.
459 (call, call_value, tablejump): Support TARGET_ABI_UNICOSMK.
460 (call_umk, call_value_umk, *call_umk, tablejump_umk,
461 *tablejump_umk_internal, *call_value_umk): New.
462 (*movdi_nofix): Add pattern for loading an address into a register on
464 (umk_laum, umk_lal, umk_lalm, *umk_load_ciw): New.
465 (umk_mismatch_args, arg_home_umk): New.
466 (various insns): Don't use mov, fmov, nop, fnop and unop.
467 (realign): Support TARGET_ABI_UNICOSMK.
469 * config/alpha/unicosmk.h: New file.
470 * config/alpha/t-unicosmk: New file.
472 * fixinc/inclhack.def (unicosmk_restrict): New.
473 * fixinc/fixincl.x: Regenerate.
475 * ginclude/stddef.h (size_t): Check for and define __SIZE_T__.
476 (wchar_t): Check for and define __WCHAR_T__.
478 2001-09-11 Richard Sandiford <rsandifo@redhat.com>
480 * combine.c (simplify_shift_const): Treat shifts by the mode
483 2001-09-11 Neil Booth <neil@daikokuya.demon.co.uk>
485 * cpphash.h (struct tokenrun): New.
486 (struct cpp_context): New member bol.
487 (struct cpp_reader): New members.
488 (_cpp_init_tokenrun): New.
489 * cppinit.c (cpp_create_reader): Set up the token runs.
490 * cpplex.c (lex_directive, lex_token, next_tokenrun): New.
491 (lex_token): New internalised version of _cpp_lex_token. Don't
492 handle directives or the multiple include opimisation here any
493 more. Simply lex a token.
494 * cpplib.c (run_directive): Clear bol.
495 (_cpp_pop_buffer): Set bol.
496 * cppmacro.c (funlike_invocation_p): Keep tokens whilst parsing
499 2001-09-11 Michael Meissner <meissner@redhat.com>
501 * config/mips/mips.h (CC1_SPEC): If -mgp32 default to -mfp32, and
502 give an error if the user uses -mfp32.
503 (CPP_FPR_SPEC): Define __mips_fpr to be 32 or 64 depending on the
505 (CPP_SPEC): Define __mips_fpr to be 32 or 64, depending on the
506 floating point register size.
507 (EXTRA_SPECS): Add CPP_FPR_SPEC.
509 * config/mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Use
510 HOST_WIDE_INT_PRINT_DEC to properly print the result of
512 * config/mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Ditto.
513 * config/mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Ditto.
515 2001-09-11 Hans-Peter Nilsson <hp@axis.com>
517 * dbxout.c (dbxout_parms): Fix typo in comment.
518 * unroll.c (loop_find_equiv_value): Ditto.
519 * toplev.c (rest_of_compilation): Ditto.
520 * loop.c (scan_loop): Ditto.
521 * dwarf2out.c (struct dw_fde_struct): Ditto.
523 2001-09-10 Zack Weinberg <zackw@panix.com>
525 * cpplex.c (parse_identifier): Fast-path optimize. Avoid
526 copying identifier when we're just going to throw it away.
527 (parse_identifier_slow): New routine to handle abnormal cases.
528 (_cpp_lex_token): Update call site.
530 * hashtable.c (ht_lookup): Don't assume that the string we've
531 been given is NUL-terminated.
532 * system.h: #define __builtin_expect(a, b) to (a) if not
535 2001-09-10 Michael Meissner <meissner@redhat.com>
537 * config.gcc (sparc64-*-solaris2): Add alias to be compatible with
540 2001-09-10 David Edelsohn <edelsohn@gnu.org>
542 * config/rs6000/t-aix43 (SHLIB_INSTALL): Use mode 751 (a+x,r-o).
544 Mon Sep 10 16:26:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
546 * builtins.c (c_getstr): Correct thinko in last change and further
549 2001-09-10 Tim Freeman <tim@fungibole.com>
551 * dwarf2out.c (incomplete_types, decl_scope_table): Make them
552 into varray's and register them as roots with the garbage
553 collector so they are not collected too soon.
555 Mon Sep 10 14:21:26 CEST 2001 Jan Hubicka <jh@suse.cz>
557 * Makefile.in (cfg.o, cfganal.o, cfgloop.o, cfgbuild.o, cfgcleanup.o):
559 * basic-block.h (flow_obstack, label_value_list,
560 tail_recursion_label_list): Declare
561 (tidy_fallthru_edges): Declare.
562 (expunge_block, last_loop_beg_note): Delete.
563 (can_fallthru, flow_nodes_print, flow_edge_list_print): Declare.
565 (basic_block_for_insn, label_value_list): Move from flow.c; make global.
566 (n_basic_blocks, n_edges, basic_block_info, entry_exit_blocks,
567 init_flow, clear_edges, can_delete_note_p, can_delete_label_p,
568 flow_delete_insn, flow_delete_insn_chain, create_basic_block,
569 expunge_block, flow_delete_block, compute_bb_for_insn,
570 update_bb_for_insn, set_block_for_insn, set_block_for_new_insns,
571 make_edge, remove_edge, redirect_edge_succ, redirect_edge_succ_nodup,
572 redirect_edge_pred, split_block, marge_blocks_nomove, block_label,
573 try_redirect_by_replacing_jump, last_loop_beg_note,
574 redirect_edge_and_branch, redirect_edge_and_branch_force,
575 tidy_fallthru_edge, tidy_fallthru_edges, back_edge_of_syntactic_loop_p,
576 split_edge, insert_insn_on_edge, commit_one_edge_insertion,
577 commit_edge_insertions, dump_flow_info, debug_flow_info,
578 dump_edge_info, dump_bb, debug_bb, debug_bb_n, print_rtl_with_bb,
579 verify_flow_info, purge_dead_edges, purge_all_dead_edges):
580 Move here from flow.c
581 * cfganal.c: New file.
582 (forwarder_block_p, can_fallthru, mark_critical_edges,
583 mark_dfs_back_edges, need_fake_edge_p, flow_call_edges_add,
584 find_unreachable_blocks, create_edge_list, free_edge_list,
585 print_edge_list, verify_edge_list, find_edge_index, flow_nodes_print,
586 flow_edge_list_print, remove_fake_successors, remove_fake_edges,
587 add_noreturn_fake_exit_edges, connect_infinite_loops_to_exit,
588 flow_reverse_top_sort_order_compute, flow_depth_first_order_compute,
589 flow_dfs_compute_reverse_init, flow_dfs-compute_reverse_add_bb,
590 flow_dfs-compute_reverse_execute, flow_dfs_compute_reverse_finish);
591 Move here from flow.c
592 * cfgbuild.c: New file
593 (count_basic_blocks, find_label_refs, make_label_edge, make_eh_edge,
594 make_edges, find_basic_blocks_1, find_basic_blocks,
595 find_sub_basic_blocks): Move here from flow.c
596 * cfgcleanup.c: New file.
597 (try_simplify_condjump, try_forward_edges, tail_recursion_label_p,
598 merge_blocks_move_predecessor_nojumps,
599 merge_blocks_move_successor_nojumps, merge_blocks,
600 flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
601 try_crossjump_bb, try_optimize_cfg): Move here from flow.c
602 (delete_unreachable_blocks, cleanup_cfg): Likewise; return true
604 * cfgloop.c: New file
605 (flow_loops_cfg_dump, flow_loop_nested_p, flow_loop_dump,
606 flow_loops_dump, flow_loops_free, flow_loop_entry_edges_find,
607 flow_loop_exit_edges_find, flow_loop_nodes_find,
608 flow_loop_pre_header_scan, flow_loop_pre_header_find,
609 flow_loop_tree_node_add, flow_loops_tree_build,
610 flow_loop_level_compute, flow_loops_level_compute, flow_loop_scan,
611 flow_loops_find, flow_loops_update, flow_loop_outside_edge_p):
612 Move here from flow.c
613 * flow.c: Remove everything moved elsewhere
614 * output.h (cleanup_cfg): Return bool.
616 * bb-reorder.c (reorder_block_def): Remove 'index'.
617 (insert_intra_1): Add argument BB, set block for new note.
618 (make_reorder_chain): Do not depdent on BB indexes.
619 (make_reorder_chain_1): Do not use BB indexes.
620 (label_for_bb): Likewise; set BB for new insn.
621 (emit_jump_to_block_after): Likewise.
622 (fixup_reoder_chain): Sanity check that all basic blocks
623 are chained; verify newly created insn chain; remove
624 undocnitional jump simplifying; Do not use BB indexes;
625 properly initialize count and frequency information;
626 dump reordered sequence.
627 (insert_intra_bb_scope_notes): update call of insert_intra_1.
628 (insert_inter_bb_scope_notes): Set block for new insn.
629 (reorder_basic_blocks): Dump flow info before reoredering.
631 Mon Sep 10 06:47:35 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
633 * alias.c (clear_reg_alias_info): Use K&R format definition.
634 Avoid unsigned warning.
635 * builtins.c: Use "unsigned int", not "unsigned".
636 (target_char_cast): Use host_integerp and tree_low_cst.
637 (expand_builtin_args_info, expand_builtin_frame_address): Likewise.
638 (c_strlen): Likewise; OFFSET now HOST_WIDE_INT.
639 (c_getstr): Likewise.
640 (std_expand_builtin_va_arg): Use int_size_in_bytes.
641 (builtin_memcpy_read_str): Avoid unsigned warning.
642 (expand_builtin_memcpy): Alignments are unsigned.
643 (expand_builtin_strncpy, expand_builtin_memset): Likewise.
644 (expand_builtin_expect_jump): Use integer_zerop and integer_onep.
645 * predict.c (expensive_function_p): LIMIT now unsigned.
646 * resource.c (mark_target_live_regs): Make some vars unsigned.
647 * sdbout.c: Use "unsigned int", not "unsigned".
648 (MAKE_LINE_SAFE): Add cast to avoid unsigned warning.
649 (sdbout_source_line): Likewise.
650 (sdbout_record_type_name): Remove "const" for NAME declaration.
651 * config/alpha/alpha.c (alpha_expand_block_move): Whitespace fixes.
653 2001-09-10 Richard Sandiford <rsandifo@redhat.com>
655 * calls.c (store_one_arg): Expand comment.
657 2001-09-10 Roman Lechtchinsky <rl@cs.tu-berlin.de>
659 * calls.c (store_one_arg): Make sure that the entire argument is
660 pushed if STACK_PARMS_IN_REG_PARM_AREA is defined.
662 2001-09-09 Richard Henderson <rth@redhat.com>
664 * emit-rtl.c (adjust_address): Fix mode for LO_SUM.
666 Sun Sep 9 10:43:17 CEST 2001 Jan Hubicka <jh@suse.cz>
668 * loop.c (combine_givs): Fix computing of benefit once giv is combined.
670 2001-09-09 Richard Henderson <rth@redhat.com>
672 * config/alpha/alpha.c (alpha_next_sequence_number): New.
673 (alpha_this_literal_sequence_number): New.
674 (alpha_this_gpdisp_sequence_number): New.
675 (some_operand, input_operand): Add HIGH.
676 (local_symbolic_operand): New.
677 (alpha_encode_section_info): New.
678 (alpha_legitimate_address_p): Allow LO_SUM.
679 (alpha_legitimize_address): Generate HIGH+LO_SUM.
680 (alpha_expand_mov): Likewise.
681 (secondary_reload_class): Check memory_operand not general_operand
683 (alpha_expand_unaligned_load): Force LO_SUM addresses into a register.
684 (alpha_expand_unaligned_store): Likewise.
685 (alpha_expand_unaligned_load_words): Likewise.
686 (alpha_expand_unaligned_store_words): Likewise.
687 (alpha_expand_block_clear): Likewise.
688 (print_operand): Handle %#, %*, %H.
689 (print_operand_address): Handle LO_SUM.
691 (alpha_does_function_need_gp): Use it.
692 (alpha_expand_block_move): Fix signed compare warnings.
693 (alpha_sa_mask, alpha_align_insns): Likewise.
694 * config/alpha/alpha-protos.h: Update.
695 * config/alpha/alpha.h (TARGET_EXPLICIT_RELOCS): New.
696 (MASK_EXPLICIT_RELOCS): New.
697 (TARGET_SWITCHES): Add -mexplicit-relocs.
698 (EXTRA_CONSTRAINT): Add 'T'.
699 (PREFERRED_RELOAD_CLASS): HIGH goes in GENERAL_REGS.
700 (ASM_APP_ON, ASM_APP_OFF): Turn on and off asm macro expansion.
701 (ENCODE_SECTION_INFO): Out line.
702 (REDO_SECTION_INFO_P): New.
703 (STRIP_NAME_ENCODING): New.
704 (ASM_OUTPUT_LABELREF): New.
705 (PRINT_OPERAND_PUNCT_VALID_P): Add #, *.
706 (PREDICATE_CODES): Update.
707 * config/alpha/alpha.md (divmodsi_internal_er, divmoddi_internal_er,
708 call_osf_1_er_noreturn, call_osf_1_er, movdi_er_low, movdi_er_nofix,
709 movdi_er_fix, prologue_ldgp_1_er, builtin_setjmp_receiver_sub_label_er,
710 builtin_setjmp_receiver_er, exception_receiver_1_er,
711 call_value_osf_1_er): New patterns.
712 (sibcall_osf_1, sibcall_value_osf_1): Remove register alternative.
713 (movqi, movhi, movsi): Add explicit $31 base register to lda.
714 * config/alpha/elf.h (ASM_FILE_START): Set nomacro if explicit relocs.
715 (FINAL_PRESCAN_INSN): New.
717 Sat Sep 8 22:00:55 CEST 2001 Jan Hubicka <jh@suse.cz>
719 * reg-stack.c (subst_stack_regs_pat): Fix fcmov reversal code.
721 2001-09-08 Andreas Jaeger <aj@suse.de>
723 * i386.h (TARGET_SWITCHES): Fix description.
725 2001-09-07 David Edelsohn <edelsohn@gnu.org>
727 * rs6000.c (num_insns_constant): Compute number of instructions
730 * doc/install.texi: Explain AIX exception handling work-around.
731 Update URL for AIX fixes.
733 2001-09-07 Jim Wilson <wilson@redhat.com>
735 * alias.c (clear_reg_alias_info): New.
736 * flow.c (attempt_auto_inc): Call clear_reg_alias_info.
737 * rtl.h (clear_reg_alias_info): Declare.
739 2001-09-07 Roman Lechtchinsky <rl@cs.tu-berlin.de>
741 * real.c (EMUSHORT,EMUSHORT_SIZE): Use HImode if no 16-bit type is
743 (UEMUSHORT): New. Use instead of unsigned EMUSHORT.
744 (m16m,edivm,emulm): Change declaration to match definition.
746 2001-09-07 Roman Lechtchinsky <rl@cs.tu-berlin.de>
748 * reload.c (push_reload): Check for subreg_lowpart_p instead of
749 SUBREG_BYTE being 0 when determining if the inner part of a subreg
752 2001-09-07 Roman Lechtchinsky <rl@cs.tu-berlin.de>
754 * c-common.c (signed_or_unsigned_type): Handle machine mode types
755 which have no corresponding C type.
756 * fold_const.c (target_isinf,target_isnan,target_negative): Update
757 the representation of 64-bit doubles to work with 64-bit ints.
759 2001-09-07 Aldy Hernandez <aldyh@redhat.com>
761 * config/mips/mips.c (override_options): Do not override ISA when ABI
762 specified if MIPS_CPU_STRING_DEFAULT was specified.
764 2001-09-07 Richard Henderson <rth@redhat.com>
766 * loop.c (record_giv): Avoid simplifying MULT to ASHIFT.
767 (express_from_1): Wrap lines.
768 * rtlanal.c (commutative_operand_precedence): Rename from
769 operand_preference; export.
771 * simplify-rtx.c (simplify_gen_binary): Tidy +/- const_int handling.
772 (simplify_binary_operation): Invoke simplify_plus_minus on
773 (CONST (PLUS ...)) as well.
774 (struct simplify_plus_minus_op_data): New.
775 (simplify_plus_minus_op_data_cmp): New.
776 (simplify_plus_minus): Use them. Avoid infinite recursion with
777 simplify_binary_operation wrt CONST.
779 Fri Sep 7 11:52:30 2001 Kazu Hirata <kazu@hxi.com>
781 * h8300-protos.h (general_operand_dst_push): Remove.
782 * h8300.c (general_operand_dst_push): Likewise.
783 * h8300.h (OK_FOR_T): Likewise.
784 (EXTRA_CONSTRAINTS): Do not use OK_FOR_T.
785 * h8300.md (pushqi_h8300): New.
786 (pushqi_h8300hs): Likewise.
788 (pushhi_h8300): Likewise.
789 (pushhi_h8300hs): Likewise.
792 Fri Sep 7 12:56:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
794 * genattrtab.c (attr_printf): First arg is unsigned.
795 Clean up formatting of callers.
797 2001-09-06 Aldy Hernandez <aldyh@redhat.com>
799 * config/mips/mips.c (override_options): Allow abi32 with 64 bit
802 2001-09-07 Andreas Jaeger <aj@suse.de>
804 * i386.h (TARGET_SWITCHES): Fix descriptions.
806 2001-09-07 Matt Kraai <kraai@alumni.carnegiemellon.edu>
808 * stor-layout.c (compute_record_mode): Check DECL_SIZE is set.
810 2001-09-06 Ira Ruben <ira@apple.com>
812 Remove OP_IDENTIFIER.
813 * tree.def (OP_IDENTIFIER): Remove.
814 * tree.c (tree_node_kind enum): Remove op_id_kind.
815 (tree_node_kind_names): Remove "op_identifiers".
816 (make_node): Remove OP_IDENTIFIER test.
817 (build_op_identifier): Removed because it isn't being used.
818 * print-tree.c (print_node): Remove OP_IDENTIFIER case.
819 * cp/pt.c (tsubst): Remove OP_IDENTIFIER case.
821 2001-09-06 Richard Henderson <rth@redhat.com>
823 * simplify-rtx.c (simplify_binary_operation): Revert last change.
825 2001-09-06 Richard Henderson <rth@redhat.com>
827 * simplify-rtx.c (simplify_binary_operation): Simplify contents
830 2001-09-06 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
832 * config/rs6000/rs6000.c (rs6000_emit_prologue): Fix DWARF2 register
833 number used for CR register.
835 Thu Sep 6 11:16:35 2001 Jeffrey A Law (law@cygnus.com)
836 Joern Rennecke (amylaar@cygnus.com)
838 * h8300-protos.h (h8300_return_addr_rtx): New prototype.
839 * h8300.c (initial_offset): Handle offset between RP and FP.
840 (h8300_return_addr_rtx): New function.
841 * h8300.h (FIRST_PSEUDO_REGISTER): Bump now that we have a
843 (FIXED_REGISTERS, CALL_USED_REGISTERS): Corresponding changes.
844 (REG_ALLOC_ORDER, RETURN_ADDRESS_POINTER_REGNUM): Likewise.
845 (REG_CLASS_CONTENTS, ELIMINABLE_REGS): Likewise.
846 (CAN_ELIMINATE, REGISTER_NAMES):
847 (RETURN_ADDR_RTX): Call h8300_return_addr_rtx.
849 2001-09-06 Nathan Sidwell <nathan@codesourcery.com>
851 Remove TYPE_NONCOPIED_PARTS.
852 * tree.h (TYPE_NONCOPIED_PARTS): Remove.
853 (struct tree_type): Remove noncopied_parts.
854 * c-tree.h (TYPE_ACTUAL_ARG_TYPES): Map onto TYPE_BINFO.
855 * expr.c (save_noncopied_parts, init_noncopied_parts): Remove.
856 (fixed_type_p): Remove.
857 (expand_expr, INIT_EXPR): Don't deal with noncopied parts.
858 (expand_expr, MODIFY_EXPR): Likewise.
859 * ggc-common.c (ggc_mark_trees): Remove TYPE_NONCOPIED_PARTS.
860 * doc/c-tree.texi: Remove TYPE_NONCOPIED_PARTS FIXME.
862 2001-09-06 Alan Modra <amodra@bigpond.net.au>
864 * config/rs6000/rs6000.c (mask_operand): Use signed vars to avoid
866 (mask64_operand): Likewise.
867 (includes_rldic_lshift_p): Likewise.
868 (includes_rldicr_lshift_p): Likewise.
870 2001-09-05 Ziemowit Laski <zlaski@apple.com>
872 * objc/objc-act.c (build_message_expr): If a class method cannot
873 be found, do not issue a warning if a corresponding instance
874 method exists in the root class.
876 2001-09-05 Richard Henderson <rth@redhat.com>
878 * config/alpha/alpha.c (alpha_expand_mov): Initialize temp.
880 2001-09-05 Zack Weinberg <zack@codesourcery.com>
882 * function.c (ggc_mark_struct_function): Mark f->outer.
883 * toplev.c (rest_of_compilation): Clear DECL_SAVED_INSNS here...
884 * integrate.c (output_inline_function): ... not here.
886 Wed Sep 5 17:28:49 CEST 2001 Jan Hubicka <jh@suse.cz>
888 * profile.c (branch_prob): Call add_noreturn_fake_exit_edges.
890 * i386.c (size_cost): New static variable.
891 (override_function): Use size_cost when -Os is specified.
893 * i386.c (ix86_expand_prologue): Set use_fast_prologue_epilogue
894 properly; Use current_function_calls_eh_return.
895 (ix86_expand_epilogue): Avoid dummy optimize_size tests;
896 use leave to avoid depdendancy chain.
898 * local-alloc.c (update_equiv_regs): Use CFG to iterate over INSN stream;
899 get BB loop_depth instead of computing it from LOOP notes.
901 * reg-stack.c (subst_stack_reg_pat): Handle reversal of conditional moves.
903 2001-09-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
905 * som.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
906 * pa.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
907 UNALIGNED_DOUBLE_INT_ASM_OP): Define
909 2001-09-05 Jeffrey A Law (law@cygnus.com)
910 Jason Merrill (jason@redhat.com)
912 * stor-layout.c (layout_type): Complain if an array's size can
913 not be represented in a size_t.
915 * config/h8300/elf.h (ENDFILE_SPEC, STARTFILE_SPEC): Define.
917 2001-09-05 David Billinghurst <David.Billinghurst@riotinto.com>
919 * gcc.c: (process_command) Add parentheses around assignment
922 2001-09-05 Richard Sandiford <rsandifo@redhat.com>
924 * config/mips/mips.c (save_restore_insns): Don't mark any register
925 save slots as unchanging if current_function_calls_eh_return.
927 2001-09-05 Richard Henderson <rth@redhat.com>
929 * config/alpha/alpha.c (alpha_legitimate_address_p): New.
930 * config/alpha/alpha-protos.h: Declare it.
931 * config/alpha/alpha.h (GO_IF_LEGITIMATE_ADDRESS): Move to c file.
932 (NONSTRICT_REG_OK_FOR_BASE_P): Rename from non-strict macro.
933 (NONSTRICT_REG_OK_FP_BASE_P): Likewise.
934 (STRICT_REG_OK_FOR_BASE_P): Rename from strict macro.
935 (REG_OK_FOR_BASE_P): Select one of the above.
937 2001-09-05 Richard Sandiford <rsandifo@redhat.com>
939 * config/mips/t-elf (EXTRA_PARTS): Use EXTRA_MULTILIB_PARTS instead.
940 (crti.o): Prefix name of object file with $(T).
943 2001-09-05 David S. Miller <davem@redhat.com>
945 * config/sparc/linux.h: Set CPLUSPLUS_CPP_SPEC.
946 * config/sparc/linux64.h: Likewise.
948 2001-09-05 Andreas Jaeger <aj@suse.de>
950 * doc/invoke.texi (i386 Options): -mwide-multiply is not
951 available anymore, remove the documentation.
952 (i386 Options): Fix typo, cleanup index entries.
954 * prefix.c (concat): Remove, we can use the version from liberty.
956 2001-09-05 Richard Henderson <rth@redhat.com>
958 * config/alpha/alpha.c (alpha_expand_mov, alpha_expand_mov_nobwx):
959 New functions split out of md file expanders.
960 * config/alpha/alpha-protos.h: Declare them.
961 * config/alpha/alpha.md (movqi, movhi, movsi, movdi): Use them.
963 2001-09-05 Neil Booth <neil@daikokuya.demon.co.uk>
965 * cppmacro.c (funlike_invocation_p): No need to restore context.
967 2001-09-04 Richard Henderson <rth@redhat.com>
969 * reload.c (push_reload): Export.
970 * reload.h (push_reload): Declare it.
972 * config/alpha/alpha.h (LEGITIMIZE_ADDRESS): Move out o' line.
973 (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
974 * config/alpha/alpha.c (alpha_legitimize_address): New.
975 (alpha_legitimize_reload_address): Likewise.
976 * config/alpha/alpha-protos.h: Declare them.
978 2001-09-04 Stan Shebs <shebs@apple.com>
980 * config/darwin.h (ASM_DECLARE_FUNCTION_NAME): Define.
981 * config/darwin.c (machopic_stub_name): Account for internally
982 generated lib calls such as memcpy.
984 2001-09-04 Richard Henderson <rth@redhat.com>
986 * unwind.h (_UA_END_OF_STACK): New flag.
987 * unwind.inc (_Unwind_ForcedUnwind_Phase2): Set it.
989 Tue Sep 4 11:16:35 2001 Jeffrey A Law (law@cygnus.com)
991 * h8300/elf.h (LINK_SPEC): Redefine appropriately for the H8.
993 2001-09-04 Richard Sandiford <rsandifo@redhat.com>
995 * config/mips/mips.c (save_restore_insns): Change base_offset to
996 fp_offset in second call to mips_emit_frame_related_store.
998 2001-09-04 Hans-Peter Nilsson <hp@axis.com>
1000 * doc/rtl.texi: Mention that besides as a CODE_LABEL, a label can
1001 sometimes be represented as a NOTE of type
1002 NOTE_INSN_DELETED_LABEL.
1003 (Insns): Document NOTE_INSN_DELETED_LABEL.
1005 2001-09-04 Nathan Sidwell <nathan@codesourcery.com>
1007 * c-common.h (tree_dump_index): Add more comments.
1008 * c-dump.c (dump_files): Name flags `tree' rather than `ast'.
1009 (dump_option_value_info): New struct.
1010 (dump_options): New array.
1011 (dump_switch_p): Parse switch options symbolically.
1012 * doc/invoke.texi (-fdump-ast): Rename to ...
1013 (-fdump-tree): ... here. Document that options are symbolic, and
1014 not all are applicable.
1016 2001-09-04 David S. Miller <davem@redhat.com>
1018 * config/sparc/sparc.md (define_splits): Kill constraints.
1020 Cleanup redundant and unused insn attributes.
1021 * config/sparc/sparc.md (define_attr "insn"): Kill address, unary,
1022 binary, and move. Mark ialu as default.
1023 (commented out define_function_unit "alu"): Kill.
1024 (define_attr "use_clobbered"): Kill.
1025 (whole file): Kill address insn type references. Replace
1026 all unary/binary/move references with ialu.
1027 * config/sparc/sparc.c (whole file): Kill TYPE_ADDRESS
1028 references. Replace TYPE_{UNARY,BINARY,MOVE} references with
1031 Simplify length insn attribute and make more judicious use
1032 of insn attribute defaulting.
1033 * config/sparc/sparc.md (all insns with length > one): Mark as
1034 insn type multi if real instructions, else use default if
1035 it is a forced splitter.
1036 (all insns with length == one): Use default insn length.
1037 (all insns of type ialu): Use default insn type.
1039 Fix erroneous insn attribute settings.
1040 (addx): Set insn type to misc.
1041 (mulsidi3_sp64, const_mulsidi3_sp64, umulsidi3_sp64,
1042 const_umulsidi3_sp64): Set insn type to imul.
1044 Track SFmode vs DFmode insns according to UltraSPARC
1046 * config/sparc/sparc.md ("fptype"): New attribute, default
1048 (all DFmode single insns): Mark as fptype "double".
1050 2001-09-03 Jakub Jelinek <jakub@redhat.com>
1052 * loop.c (express_from_1): Fix CONSTANT_P(a) case.
1054 2001-09-03 Richard Henderson <rth@redhat.com>
1056 * function.h (struct function): Add arg_pointer_save_area_init.
1057 * function.c (expand_function_end): Init arg_pointer_save_area.
1058 (get_arg_pointer_save_area): Do not init arg_pointer_save_area
1059 when called from a nested function.
1061 2001-09-02 Angela Marie Thomas <angela@cygnus.com>
1063 * fixinc/Makefile.in: Regenerate fixincl.x only if maintainer-mode
1066 Sun Sep 2 18:37:54 CEST 2001 Jan Hubicka <jh@suse.cz>
1068 * reload1.c (fixup_abnormal_edges): Allow NOTEs in the sequence.
1070 2001-09-01 Geoffrey Keating <geoffk@redhat.com>
1072 * expr.c (push_block): Make sane use of STACK_GROWS_DOWNWARD.
1073 (emit_push_insn): Use specified padding direction when
1074 STACK_PUSH_CODE is POST_INC.
1076 * config/stormy16/stormy16.h (DWARF2_UNWIND_INFO): Define to 0.
1078 2001-09-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1080 * mips.h (INITIAL_ELIMINATION_OFFSET): Add missing `else abort'.
1082 2001-09-01 Neil Booth <neil@daikokuya.demon.co.uk>
1084 * cppinit.c (cpp_start_read): Free the imacros list as we
1085 traverse it. Don't free the chains before returning.
1086 (_cpp_push_next_buffer): Only try pushing buffers if we've
1087 completed -imacros handling.
1089 2001-08-31 Eric Christopher <echristo@redhat.com>
1091 * gcc.c (handle_braces): Add explaination for abort.
1093 2001-08-30 Roman Zippel <zippel@linux-m68k.org>
1095 * expmed.c (store_bit_field): Update to patch from 2001-08-27:
1096 move adjustment of bitpos instead.
1098 2001-08-31 Zack Weinberg <zack@codesourcery.com>
1100 * function.c: Remove all_functions. Make outer_function_chain
1102 (init_function_start): Don't add new function structure to
1104 (find_function_data, push_function_context_to,
1105 pop_function_context_from, put_var_into_stack,
1106 trampoline_address): Update for changed structure element names.
1107 (push_function_context_to): Disentangle.
1108 (free_after_compilation): Also free F.
1109 (expand_dummy_function_end): Don't free cfun here.
1110 (put_var_into_stack): Comment why we can't use find_function_data here.
1111 (fix_lexical_addr, trampoline_address, ): Use find_function_data.
1112 (mark_function_chain): Split into maybe_mark_struct_function and
1113 ggc_mark_struct_function. Export the latter.
1114 (init_function_once): Mark from cfun and outer_function_chain;
1117 * function.h (struct function): Kill next_global. Rename next
1118 to outer. All users updated to match.
1119 (all_functions, outer_function_chain): Don't declare.
1121 * ggc-common.c (ggc_mark_trees): Mark DECL_SAVED_INSNS.
1122 * integrate.c (output_inline_function): Clear DECL_SAVED_INSNS,
1123 don't touch f->inlinable, after calling rest_of_compilation.
1125 * tree.h: Forward-declare struct function. Prototype
1126 ggc_mark_struct_function.
1128 2001-08-31 Kazu Hirata <kazu@hxi.com>
1130 * config/h8300/h8300.md (*andorhi3): Fix typos.
1132 2001-08-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1134 * calls.c (emit_library_call_value): Don't use a fixed
1135 argument after VA_CLOSE, i.e. out of scope in traditional C.
1137 * emit-rtl.c (gen_rtvec): Likewise.
1139 2001-08-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1141 * Makefile.in (c-pragma.o): Depend on output.h.
1142 (reorg.o): Depend on except.h.
1144 * c-pragma.c: Include output.h.
1146 * reorg.c: Include except.h.
1148 * unwind-dw2.c: Call __builtin_alloca, not alloca.
1150 2001-08-31 Richard Henderson <rth@redhat.com>
1152 * sched-deps.c (add_dependence): Don't elide dependancy if the
1153 conditional used by insn is modified in elem.
1155 2001-08-31 Nick Clifton <nickc@cambridge.redhat.com>
1157 * config/v850/v850.h (OUTPUT_ADDR_CONST_EXTRA): Define.
1159 2001-08-31 Diego Novillo <dnovillo@redhat.com>
1161 * c-decl.c (c_decode_option): Skip '-f' prefix before calling
1164 2001-08-31 Geoffrey Keating <geoffk@redhat.com>
1166 * config/stormy16/stormy16.c (stormy16_asm_out_destructor): New
1168 (stormy16_asm_out_constructor): New function.
1169 (TARGET_ASM_CONSTRUCTOR): Define.
1170 (TARGET_ASM_DESTRUCTOR): Define.
1172 2001-08-31 Andreas Jaeger <aj@suse.de>
1174 * gcse.c (add_label_notes): REG_LABEL is an INSN_LIST.
1175 * loop.c (add_label_notes): Likewise.
1176 * reload.c (find_reloads): Likewise.
1177 * config/sh/sh.c (machine_dependent_reorg): Likewise.
1179 2001-08-31 Jason Merrill <jason_merrill@redhat.com>
1181 * unwind-pe.h (read_uleb128, read_sleb128): Move actual reading
1182 code here. Take _Unwind_{W,Sw}ord*.
1183 (read_encoded_value_with_base): Use them.
1184 * unwind-dw2.c (_Unwind_FrameState): Make cfa_offset and cfa_reg
1186 (extract_cie_info): Simplify read_?leb128 handling.
1187 (execute_stack_op, execute_cfa_program): Likewise.
1188 * unwind-dw2-fde.c (get_cie_encoding): Likewise.
1190 2001-08-31 Geoffrey Keating <geoffk@redhat.com>
1192 * config/stormy16/stormy16.c (stormy16_expand_epilogue): Use
1193 the frame pointer to pop the stack if convenient.
1195 * config/stormy16/stormy16.c (stormy16_initialize_trampoline):
1196 Don't use post-increment before combine.
1197 * config/stormy16/stormy16.h (STATIC_CHAIN_REGNUM): Don't use
1198 a call-saved register.
1200 2001-08-31 Andreas Jaeger <aj@suse.de>
1202 * jump.c (mark_jump_label): Revert patch from 2001-08-28, the
1205 2001-08-30 Geoffrey Keating <geoffk@redhat.com>
1207 * config/stormy16/stormy16.md (udivmodhi4): Express using UDIV/UMOD,
1208 not DIV/MOD, of course.
1210 2001-08-30 Vladimir Makarov <vmakarov@redhat.com>
1212 * rtl.def: Undo my patch commited 2001-08-27.
1214 * genattrtab.c: Ditto.
1218 * sched-int.h: Ditto.
1220 * target-def.h: Ditto.
1224 * haifa-sched.c: Ditto.
1226 * sched-rgn.c: Ditto.
1228 * sched-vis.c: Ditto.
1230 * Makefile.in: Ditto.
1232 * doc/md.texi: Ditto.
1234 * doc/tm.texi: Ditto.
1236 * doc/contrib.texi: Ditto.
1238 * doc/gcc.texi: Ditto.
1240 * genattrtab.h: Remove it.
1242 * genautomata.c: Remove it.
1244 * genattr.c: Undo my patch and Richard Henderson's patch commited
1247 Thu Aug 30 19:22:15 2001 J"orn Rennecke <amylaar@redhat.com>
1249 * config.gcc (h8300-*-elf*): New case.
1250 * h8300.h (CPP_SPEC): Add subtarget_cpp_spec.
1251 (SUBTARGET_CPP_SPEC): Define.
1252 (EXTRA_SPECS): Define.
1253 (SUBTARGET_EXTRA_SPECS): Define.
1254 * config/h8300/crti.asm, config/h8300/crtn.asm: New files.
1255 * config/h8300/elf.h, config/h8300/t-elf: Likewise.
1257 Thu Aug 30 18:50:37 2001 J"orn Rennecke <amylaar@redhat.com>
1259 * t-h8300 (LIB1ASMFUNCS): Add _fixunssfdi and _fixunssfsi_asm.
1260 (LIB2FUNCS_EXTRA): Define.
1261 config/h8300/lib1funcs.asm: New part: L_fixunssfsi_asm .
1262 config/h8300/fixunssfsi.c: New file.
1264 2001-08-30 Kazu Hirata <kazu@hxi.com>
1266 * config/h8300/h8300.md (zero_extendqihi2): Changes to
1267 define_expand to accomodate target-specific attributes.
1268 (anonymous zero_extendqihi2 patterns): New.
1270 Thu Aug 30 18:10:56 2001 J"orn Rennecke <amylaar@redhat.com>
1272 * h8300.md (*andorhi3): New pattern.
1274 Thu Aug 30 16:00:31 2001 J"orn Rennecke <amylaar@redhat.com>
1276 * h8300.c (dosize): Fix test for "sub".
1278 Thu Aug 30 10:21:43 2001 J"orn Rennecke <amylaar@redhat.com>
1280 * c-typeck.c (pointer_diff): Try to eliminate common term before
1283 2001-08-30 Nick Clifton <nickc@cambridge.redhat.com>
1285 * config/arm/arm.c (arm_compute_initial_elimination_offset):
1286 Account for the saves of the FP registers.
1288 * config/arm/unknown-elf.h (TEXT_SECTION): Delete.
1289 (TEXT_SECTION_ASM_OP): Define.
1290 (INIT_SECTION_ASM_OP): Define.
1291 (FINI_SECTION_ASM_OP): Define.
1292 (SUBTARGET_EXTRA_SECTIONS): Remove trailing comma.
1293 (RDATA_SECTION_FUNCITON): Provide prototype.
1295 2001-08-29 Geoffrey Keating <geoffk@redhat.com>
1297 * reload1.c (move2add_note_store): Correct typo checking for
1300 2001-08-29 Andrew MacLeod <amacleod@redhat.com>
1302 * gcse.c (compute_hash_table): The SRC part of an insn with a RETVAL
1303 note should not be considered outside the libcall block.
1305 2001-08-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1307 * genattrtab.c (attr_printf): Use VA_OPEN/VA_FIXEDARG/VA_CLOSE.
1309 2001-08-29 Kazu Hirata <kazu@hxi.com>
1311 * config/h8300/h8300.md (movsi_h8300hs): Make it 64-bit safe.
1313 2001-08-29 Kazu Hirata <kazu@hxi.com>
1315 * config/h8300/h8300-protos.h: Add a prototype for
1317 * config/h8300/h8300.c (emit_logical_op): New.
1318 * config/h8300/h8300.md (andhi3): Use emit_logical_op.
1325 2001-08-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
1327 * pa.c (move_operand): Cast GET_MODE_SIZE results to HOST_WIDE_INT for
1328 comparison with rtx INTVAL.
1329 (pa_output_function_prologue): Don't mix signed and unsigned in `?'
1331 * pa.h (FUNCTION_ARG_SIZE): Likewise.
1333 2001-08-29 Kazu Hirata <kazu@hxi.com>
1335 * config/h8300/lib1funcs.asm: Update the copyright. Fix
1338 2001-08-29 Kazu Hirata <kazu@hxi.com>
1340 * config/h8300/h8300.md (anonymous movhi pattern): Don't move
1341 (reg n) to (mem (pre_dec (reg n))
1342 (anonymous movsi pattern): Likewise.
1344 2001-08-29 Kazu Hirata <kazu@hxi.com>
1346 * config/h8300/h8300.h (RETURN_ADDR_RTX): New.
1348 2001-08-29 Kazu Hirata <kazu@hxi.com>
1350 * config/h8300/h8300.md (movsi_h8300hs): Optimize loading of
1351 several special constants.
1353 2001-08-29 Kazu Hirata <kazu@hxi.com>
1355 * config/h8300/lib1funcs.asm: Fix comment typos.
1357 2001-08-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1359 * iris6.h (ASM_DECLARE_OBJECT_NAME, ASM_FINISH_DECLARE_OBJECT):
1360 Fix format specifier warnings.
1362 * irix6-libc-compat.c (inet_ntoa, inet_lnaof, inet_netof,
1363 inet_makeaddr, semctl): Prototype.
1365 * mips.c (compute_frame_size): Fix signed/unsigned warnings.
1366 (save_restore_insns): Use base_offset, not gp_offset.
1368 * mips.h (GP_REG_OR_PSEUDO_STRICT_P): Fix signed/unsigned warning.
1369 (ASM_OUTPUT_BYTE): Fix format specifier warning.
1371 2001-08-29 Richard Henderson <rth@redhat.com>
1373 * bb-reorder.c (function_tail_eff_head): New.
1374 (record_effective_endpoints): Set it.
1375 (fixup_reorder_chain): Use it.
1377 2001-08-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1379 * dwarf2asm.c (dw2_asm_output_nstring): Fix typo in previous change.
1381 2001-08-28 Dale Johannesen <dalej@apple.com>
1383 * config/darwin.c (machopic_function_base_name): Add const
1384 qualifier to a string.
1385 (darwin_encode_section_info): Ditto.
1387 2001-08-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1389 * tree.c (default_valid_attribute_p): Don't use PARAMS on a
1390 function definition.
1392 2001-08-28 Daniel Berlin <dan@cgsoftware.com>
1394 * df.h (struct df): Add rts_order variable.
1396 * df.c (df_visit_next_rts): New function.
1397 (df_visit_next): Renamed to df_visit_next_rc
1398 (df_analyse_1): Allocate/compute/free rts_order as well.
1399 (df_rd_global_compute): Use df_visit_next_rc instead of
1401 (df_ru_global_compute): Use df_visit_next_rts instead of
1404 * flow.c (flow_reverse_top_sort_order_compute): New function.
1406 * basic-block.h: Add prototype.
1408 2001-08-28 Daniel Berlin <dan@cgsoftware.com>
1410 * ssa-ccp.c (ssa_ccp_df_delete_unreachable_insns): For unreachable
1411 blocks, the BB_REACHABLE is now set, rather than aux being
1412 non-NULL. Update the test to reflect this.
1414 2001-08-28 Eric Christopher <echristo@redhat.com>
1416 * config/mips/crtn.asm: Add comment explaining 16 byte alignment.
1417 config/mips/crti.asm: Ditto.
1419 2001-08-28 Eric Christopher <echristo@redhat.com>
1420 Richard Henderson <rth@redhat.com>
1422 * c-pragma.h (add_weak): Move prototype from here...
1423 * output.h (add_weak): ... to here.
1424 * varasm.c (add_weak): Fix typo.
1425 * config/mips/crti.asm: New file.
1426 * config/mips/crtn.asm: Ditto.
1427 * config/mips/elf.h (SBSS_SECTION_ASM_OP) Add #undef.
1428 (CTOR_LISTS_DEFINED_EXTERNALLY): Remove.
1429 (INVOKE__main): Ditto.
1430 (INIT_SECTION_ASM_OP): New.
1431 (FINI_SECTION_ASM_OP): Ditto.
1432 (STARTFILE_SPEC): Add crti.
1433 (ENDFILE_SPEC): Add crtn.
1434 * config/mips/elf64.h: Same.
1435 * config/mips/rtems64.h (INVOKE__main, NAME__MAIN, SYMBOL__MAIN):
1437 * config/mips/vxworks.h: Ditto.
1438 * config/mips/t-elf: Support crti and crtn.
1440 2001-08-28 Alexandre Oliva <aoliva@redhat.com>
1442 * jump.c (mark_jump_label): Fix typo: REG_LABEL is EXPR_LIST, not
1445 2001-08-28 Richard Henderson <rth@redhat.com>
1447 * config/ia64/ia64.md (andcmbi3, iorcmbi3): Fix typos.
1448 (one_cmplbi2 splitter): Remove redundant test.
1450 2001-08-28 Dale Johannesen <dalej@apple.com>
1452 * config/rs6000/darwin.h (DEFAULT_SIGNED_CHAR): Define.
1454 2001-08-28 Danny Smith <dannysmith@users.sourceforge.net>
1456 * config/i386/cygwin.h (BIGGEST_FIELD_ALIGNMENT): Set to 64.
1458 2001-08-28 Stan Shebs <shebs@apple.com>
1460 * config/darwin.h (ASM_OUTPUT_LABELREF): Handle '*' names.
1461 (UNALIGNED_SHORT_ASM_OP): Define.
1462 (UNALIGNED_INT_ASM_OP): Define.
1464 2001-08-28 Will Cohen <wcohen@redhat.com>
1466 * config/rs6000/rs6000.md (store_multiple): Correct RTL
1467 generation for first set.
1469 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
1471 * flow.c (redirect_edge_succ_nodup): Return new edge.
1472 (try_simplify_condjump): Use new edge.
1473 * basic-block.h (redirect_edge_succ_nodup): Update prototype.
1475 * cse.c (cse_basic_block): Skip note instructions.
1477 2001-08-27 Richard Henderson <rth@redhat.com>
1479 * combine.c (combine_simplify_rtx): Don't reverse condition
1480 if there is no reverse for the condition.
1481 (simplify_comparison): Don't simplify subregs from INT to FP.
1483 * config/m68k/m68k.md (sordered, sordered_1, sunordered, sunordered_1,
1484 suneq, suneq_1, sunge, sunge_1, sungt, sungt_1, sunle, sunle_1,
1485 sunlt, sunlt_1, sltgt, sltgt_1, fsogt_1, fsoge_1, fsolt_1, fsole_1,
1486 bordered, bunordered, buneq, bunge, bungt, bunle, bunlt, bltgt,
1487 bordered_rev, bunordered_rev, buneq_rev, bunge_rev, bungt_rev,
1488 bunle_rev, bunlt_rev, bltgt_rev): New patterns.
1490 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
1492 * config/m68k/m68k.md (subreghi1ashrdi_const32, bsetmemqi,
1493 bsetmemqi+1, strict_low_part peephole): Fix SUBREG_BYTE offset.
1495 (adddi_dilshr32, adddi_dishl32): Only data register can be
1496 source for mem destination.
1498 * expmed.c (store_bit_field): Ignore adjustment to bitpos
1499 and use bitnum to decide about register move.
1501 2001-08-27 Richard Henderson <rth@redhat.com>
1503 * genattr.c (main): Emit state_t even when not doing scheduling.
1505 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
1506 Richard Henderson <rth@redhat.com>
1508 * gcse.c (reg_first_set, reg_last_set): Replace with ...
1509 (reg_avail_info, current_bb): ... these.
1510 (oprs_unchanged_p, record_last_reg_set_info): Use them.
1511 (compute_hash_table): Likewise.
1513 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
1515 * flow.c (verify_flow_info): Use checksums to verify edges.
1517 2001-08-27 Richard Henderson <rth@redhat.com>
1519 * genautomata.c (expand_automata): Always create a description.
1521 2001-08-27 Geoffrey Keating <geoffk@redhat.com>
1523 * optabs.c (expand_binop): Correctly handle the carry in multiword
1524 add/subtract operations.
1526 2001-08-27 Fred Fish <fnf@be.com>
1528 * ginclude/stddef.h: Fix typo, __SIZE__TYPE__ should be
1531 2001-08-27 Geoffrey Keating <geoffk@redhat.com>
1533 * reload.c (find_reloads_toplev): Back out this change:
1535 Wed Jul 26 19:44:05 2000 Hans-Peter Nilsson <hp@axis.com>
1537 * reload.c (find_reloads_toplev): Reload a paradoxical subreg of a
1538 mem if the address is a mode_dependent_address_p.
1540 2001-08-27 Vladimir Makarov <vmakarov@touchme.toronto.redhat.com>
1542 * rtl.def (DEFINE_CPU_UNIT, DEFINE_QUERY_CPU_UNIT, EXCLUSION_SET,
1543 PRESENCE_SET, ABSENCE_SET, DEFINE_BYPASS, DEFINE_AUTOMATON,
1544 AUTOMATA_OPTION, DEFINE_RESERVATION, DEFINE_INSN_RESERVATION): New
1547 * genattr.c (main): New variable num_insn_reservations. Increase
1548 it if there is DEFINE_INSN_RESERVATION. Output automaton based
1549 pipeline hazard recognizer interface.
1551 * genattrtab.h: New file.
1553 * genattrtab.c: Include genattrtab.h.
1554 (attr_printf, check_attr_test, make_internal_attr,
1555 make_numeric_value): Move protypes into genattrtab.h. Define them
1557 (num_dfa_decls): New global variable.
1558 (main): Process DEFINE_CPU_UNIT, DEFINE_QUERY_CPU_UNIT,
1559 DEFINE_BYPASS, EXCLUSION_SET, PRESENCE_SET, ABSENCE_SET,
1560 DEFINE_AUTOMATON, AUTOMATA_OPTION, DEFINE_RESERVATION,
1561 DEFINE_INSN_RESERVATION. Call expand_automata and write_automata.
1563 * genautomata.c: New file.
1565 * rtl.h (LINK_COST_ZERO, LINK_COST_FREE): Remove them.
1567 * sched-int.h: (curr_state): Add the external definition for
1568 automaton pipeline interface.
1569 (haifa_insn_data): Add comments for members blockage and units.
1571 * target-def.h (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE,
1572 TARGET_SCHED_INIT_DFA_PRE_CYCLE_INSN,
1573 TARGET_SCHED_DFA_PRE_CYCLE_INSN,
1574 TARGET_SCHED_INIT_DFA_POST_CYCLE_INSN,
1575 TARGET_SCHED_DFA_POST_CYCLE_INSN,
1576 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD,
1577 TARGET_SCHED_INIT_DFA_BUBBLES, TARGET_SCHED_DFA_BUBBLE): New
1579 (TARGET_SCHED): Use the new macros.
1581 * target.h (use_dfa_pipeline_interface, init_dfa_pre_cycle_insn,
1582 dfa_pre_cycle_insn, init_dfa_post_cycle_insn, dfa_post_cycle_insn,
1583 first_cycle_multipass_dfa_lookahead, init_dfa_bubbles,
1584 dfa_bubble): New members in gcc_target.sched.
1586 * haifa-sched.c (insert_schedule_bubbles_p): New variable.
1587 (MAX_INSN_QUEUE_INDEX): New macro for automaton interface.
1588 (insn_queue): Redefine it as pointer to array.
1589 (NEXT_Q, NEXT_Q_AFTER): Use MAX_INSN_QUEUE_INDEX instead of
1591 (max_insn_queue_index_macro_value): New variable.
1592 (curr_state, dfa_state_size, ready_try): New varaibles for
1593 automaton interface.
1594 (ready_element, ready_remove, max_issue): New function prototypes
1595 for automaton interface.
1596 (choose_ready): New function prototype.
1597 (insn_unit, blockage_range): Add comments.
1598 (unit_last_insn, unit_tick, unit_n_insns): Define them for case
1599 FUNCTION_UNITS_SIZE == 0.
1600 (insn_issue_delay, actual_hazard_this_instance, schedule_unit,
1601 actual_hazard, potential_hazard): Add comments.
1602 (insn_cost): Use cost -1 as undefined value. Remove
1603 LINK_COST_ZERO and LINK_COST_FREE. Add new code for automaton
1605 (ready_element, ready_remove): New functions for automaton
1607 (schedule_insn): Add new code for automaton pipeline interface.
1608 (queue_to_ready): Add new code for automaton pipeline interface.
1609 Use MAX_INSN_QUEUE_INDEX instead of INSN_QUEUE_SIZE.
1610 (debug_ready_list): Print newline when the queue is empty.
1611 (max_issue): New function for automaton pipeline interface.
1612 (choose_ready): New function.
1613 (schedule_block): Add new code for automaton pipeline interface.
1614 Print ready list before scheduling each insn.
1615 (sched_init): Add new code for automaton pipeline interface.
1616 Initiate insn cost by -1.
1617 (sched_finish): Free the current automaton state and finalize
1618 automaton pipeline interface.
1620 * sched-rgn.c: Include target.h.
1621 (init_ready_list, new_ready, debug_dependencies): Add new code for
1622 automaton pipeline interface.
1624 * sched-vis.c: Include target.h.
1625 (get_visual_tbl_length): Add code for automaton interface.
1626 (target_units, print_block_visualization): Add comments.
1628 * Makefile.in (GETRUNTIME, HASHTAB, HOST_GETRUNTIME, HOST_HASHTAB,
1629 USE_HOST_GETRUNTIME, USE_HOST_HASHTAB, HOST_VARRAY): New variables.
1630 (sched-rgn.o, sched-vis.o): Add new dependency file target.h.
1631 (getruntime.o, genautomata.o): New entries.
1632 (genattrtab.o): Add new dependency file genattrtab.h.
1633 (genattrtab): Add new dependencies. Link it with `libm.a'.
1634 (getruntime.o, hashtab.o): New entries for canadian cross.
1636 * doc/md.texi: Description of automaton based model.
1638 * doc/tm.texi (TARGET_SCHED_ISSUE_RATE, TARGET_SCHED_ADJUST_COST):
1640 (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE,
1641 TARGET_SCHED_DFA_PRE_CYCLE_INSN,
1642 TARGET_SCHED_INIT_DFA_PRE_CYCLE_INSN,
1643 TARGET_SCHED_DFA_POST_CYCLE_INSN,
1644 TARGET_SCHED_INIT_DFA_POST_CYCLE_INSN,
1645 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD,
1646 TARGET_SCHED_INIT_DFA_BUBBLES, TARGET_SCHED_DFA_BUBBLE): The new
1648 (TRADITIONAL_PIPELINE_INTERFACE, DFA_PIPELINE_INTERFACE,
1649 MAX_DFA_ISSUE_RATE): New macro descriptions.
1651 * doc/contrib.texi: Add dfa based scheduler contribution.
1653 * doc/gcc.texi: Add more information about genattrtab.
1655 2001-08-27 Diego Novillo <dnovillo@redhat.com>
1657 * flow.c (flow_loop_dump): Do not display insn UIDs if this is not
1660 2001-08-27 Richard Henderson <rth@redhat.com>
1662 * function.c (expand_function_end): Don't init arg_pointer_save_area.
1663 (get_arg_pointer_save_area): New. Create an init it here.
1664 (fix_lexical_addr): Use it.
1665 * function.h: Declare it.
1666 * builtins.c (expand_builtin_setjmp_receiver): Use it.
1667 * stmt.c (expand_nl_goto_receiver): Use it.
1669 2001-08-27 Richard Henderson <rth@redhat.com>
1671 * final.c (final_scan_insn): Don't enter APP_ON mode for
1674 * dwarf2asm.c (dw2_asm_output_encoded_addr_rtx): Use proper
1675 alignment for assemble_integer for DW_EH_PE_aligned.
1676 * except.c (output_function_exception_table): Likewise.
1678 2001-08-26 Andreas Jaeger <aj@suse.de>
1680 * c-tree.h: Add prototyp for c_sizeof_nowarn.
1682 2001-08-25 Dan Nicolaescu <dann@ics.uci.edu>
1684 * ssa-ccp.c (ssa_const_prop): Free ssa_edges.
1686 2001-08-27 Alan Modra <amodra@bigpond.net.au>
1688 * config/rs6000/rs6000.c (mask_operand): Rewrite without
1690 (mask64_operand): Likewise.
1691 (rldic_operand): Delete.
1692 (includes_lshift64_p): Delete.
1693 (includes_rldic_lshift_p): New function.
1694 (includes_rldicr_lshift_p): New function.
1695 (print_operand): Don't call rldic_operand in case 'W'.
1696 * config/rs6000/rs6000-protos.h (rldic_operand): Remove.
1697 (includes_lshift64_p): Remove.
1698 (includes_rldic_lshift_p): Declare.
1699 (includes_rldicr_lshift_p): Declare.
1700 * config/rs6000/rs6000.h (PREDICATE_CODES): Remove rldic_operand.
1701 * config/rs6000/rs6000.md <ashldi3_internal 64 bit patterns>:
1702 Replace match_operand rldic_operand predicate with
1703 const_int_operand. Replace includes_lshift64_p condition with
1704 includes_rldic_lshift_p.
1705 <ashldi3_internal 64 bit rldicr patterns>: New.
1707 2001-08-27 Andreas Jaeger <aj@suse.de>
1709 * emit-rtl.c: Use VA_OPEN/VA_CLOSE/VA_FIXEDARG throughout.
1710 * errors.c: Likewise.
1711 * final.c: Likewise.
1712 * dwarf2asm.c: Likewise.
1713 * doprint.c (checkit): Likewise.
1714 * diagnostic.c: Likewise.
1715 * collect2.c: Likewise.
1716 * calls.c: Likewise.
1717 * c-semantics.c (build_stmt): Likewise.
1718 * c-format.c (status_warning): Likewise.
1719 * c-errors.c (pedwarn_c99): Likewise.
1720 * builtins.c (validate_arglist): Likewise.
1721 * config/pj/pj.c (pj_printf): Likewise.
1722 * fix-header.c: Likewise.
1724 * gcov.c (fnotice): Likewise.
1725 * gensupport.c (message_with_line): Likewise.
1726 * mips-tfile.c: Likewise.
1727 * protoize.c (notice): Likewise.
1728 * read-rtl.c (fatal_with_file_and_line): Likewise.
1729 * rtl-error.c: Likewise.
1730 * tradcpp.c: Likewise.
1732 * cp/tree.c (build_min_nt): Likewise.
1733 (build_min): Likewise.
1734 * cp/lex.c: Likewise.
1735 * cp/errfn.c: Likewise.
1736 * cp/rtti.c (create_pseudo_type_info): Likewise.
1738 Sun Aug 26 20:25:44 2001 Denis Chertykov <denisc@overta.ru>
1740 * df.c (df_uses_record): Return after recording all uses
1743 2001-08-26 Daniel Berlin <dan@cgsoftware.com>
1745 * df.c (df_insn_modify): Realloc the INSN table here, if
1746 necessary, here, too.
1748 2001-08-26 Aldy Hernandez <aldyh@redhat.com>
1750 * config/mips/mips.c (mips_function_value): Handle complex return
1753 2001-08-25 Hans-Peter Nilsson <hp@bitrange.com>
1755 * reload1.c (reload): Make all entries in reg_equiv_memory_loc
1757 * reload.c (make_memloc): Copy result if it is still
1758 reg_equiv_memory_loc[regno] on return.
1759 (subst_reloads) [ENABLE_CHECKING]: Check that none of
1760 reg_equiv_constant, reg_equiv_memory_loc, reg_equiv_address and
1761 reg_equiv_mem are modified by the substitutions.
1763 Sat Aug 25 23:07:35 CEST 2001 Jan Hubicka <jh@suse.cz>
1765 * predict.c (expensive_function_p): New.
1766 * rtl.h (expensive_function_p): Declare.
1767 * i386.c (FAST_PROLOGUE_INSN_COUNT): New constant.
1768 (use_fast_prologue_epilogue): New static variable.
1769 (expand_prologue): Set it; emit short prologues if unset.
1770 (expand_epilogue): Likewise.
1772 2001-08-22 Geoffrey Keating <geoffk@redhat.com>
1774 * config.gcc: Add stormy16-*-elf case.
1775 * config/stormy16/stormy-abi: New file.
1776 * config/stormy16/stormy16-lib2.c: New file.
1777 * config/stormy16/stormy16-protos.h: New file.
1778 * config/stormy16/stormy16.c: New file.
1779 * config/stormy16/stormy16.h: New file.
1780 * config/stormy16/stormy16.md: New file.
1781 * config/stormy16/t-stormy16: New file.
1783 Sat Aug 25 15:46:51 CEST 2001 Jan Hubicka <jh@suse.cz>
1785 * i386.h (no-accumulate-outgoing-args): Use proper mask.
1787 2001-08-24 David Edelsohn <edelsohn@gnu.org>
1789 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Function
1790 descriptor members are pointer size, not constant 4.
1791 * config/rs6000/rs6000.md (define_splits): Remove more unused
1794 2001-08-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1796 * sparc.h (ASM_OUTPUT_BYTE): Fix format specifier warning.
1798 2001-08-24 Andreas Jaeger <aj@suse.de>, rkl@connect.org.uk
1800 * cp/rtti.c (VPARAMS): Fix parameter.
1802 2001-08-24 Zack Weinberg <zackw@panix.com>
1804 * expmed.c: Default-#define HAVE_insv, HAVE_extv, and HAVE_extzv
1806 (mode_for_extraction): No need for #ifdefs. Add default-case abort
1808 (store_bit_field): Eliminate insv_bitsize variable. Put HAVE_insv
1809 in if controlling use of insv.
1810 (extract_bit_field): Likewise, for extv and extzv.
1812 Fri Aug 24 17:27:46 CEST 2001 Jan Hubicka <jh@suse.cz>
1814 * i386.md (movcc peep2): Fix load of 0.
1816 2001-08-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1818 * fold-const.c (tree_expr_nonnegative_p): Handle *_DIV_EXPR,
1819 *_MOD_EXPR, SAVE_EXPR and NON_LVALUE_EXPR.
1821 2001-08-23 Jason Merrill <jason_merrill@redhat.com>
1823 * c-pragma.h: Move weak_syms and weak_decls...
1824 * varasm.c: ...here. Now static.
1825 (declare_weak, weak_finish, remove_from_pending_weak_list): Don't
1826 depend on HANDLE_PRAGMA_WEAK.
1828 * c-common.c (c_alignof, c_alignof_expr): Move here...
1829 * c-typeck.c: ...from here.
1830 * c-tree.h, c-common.h: Adjust.
1832 2001-08-23 Bernd Schmidt <bernds@redhat.com>
1834 * config/ia64/ia64.c (rws_update): If !pred, set write_count
1835 instead of incrementing it.
1837 * config/ia64/ia64.c (ia64_sched_reorder): When there's more than one
1838 asm ready, don't try to move them all into the same array element.
1840 Thu Aug 23 17:21:43 CEST 2001 Jan Hubicka <jh@suse.cz>
1842 * function.c (thread_prologue_and_epilogue_insns): Avoid
1843 fallthru flag on edge to exit.
1845 * i386.md (trunc?fsi splitter): Conditionionize for non-sse.
1847 * flow.c (delete_noop_moves, propagate_block_delete_insn): Purge
1850 2001-08-23 Lars Brinkhoff <lars@nocrew.org>
1852 * config/mcore/mcore.h (MACHINE_DEPENDENT_SIMPLIFY): Remove.
1853 * config/mcore/mcore.c (mcore_dependent_simplify_rtx): Likewise.
1854 * config/mcore/mcore-protos.h (mcore_dependent_simplify_rtx):
1857 2001-08-23 Lars Brinkhoff <lars@nocrew.org>
1859 * genconstants.c, genpreds.c, libfuncs.h, optabs.h, rtl-error.h:
1860 replace "GNU CC" with "GCC".
1862 2001-08-23 Richard Henderson <rth@redhat.com>
1864 * config/ia64/ia64.c (ia64_register_move_cost): Add mode arguemnt.
1865 Reorganize. Handle ADDL like GR, add GR_AND_BR. Handle TFmode.
1866 (ia64_secondary_reload_class): Need GR between AR/BR and anything.
1867 Need GR between FR and not GR_AND_FR.
1868 * config/ia64/ia64-protos.h (ia64_register_move_cost): Update.
1869 * config/ia64/ia64.h (reg_class): Add GR_AND_BR_REGS, move
1870 AR regs before GR regs.
1871 (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update.
1872 (PREFERRED_RELOAD_CLASS): Tweak for reordered classes.
1873 (REGISTER_MOVE_COST): Update.
1874 (MEMORY_MOVE_COST): Add GR_AND_FR_REGS.
1876 2001-08-23 Richard Henderson <rth@redhat.com>
1878 * regclass.c (init_reg_sets_1): Don't assume cost 2 within
1881 2001-08-22 Geoffrey Keating <geoffk@redhat.com>
1883 * reload1.c (emit_reload_insns): Don't look for notes
1884 on a NULL store_insn.
1886 2001-08-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1888 * sparc.c (uns_small_int): Don't reference a constant >32-bit.
1889 (addrs_ok_for_ldd_peep): Fix signed/unsigned warning.
1890 (sparc_flat_function_prologue, sparc_flat_function_epilogue): Fix
1891 format specifier warnings.
1892 (sparc_sched_reorder): Mark parameter with ATTRIBUTE_UNUSED.
1894 2001-08-22 David Billinghurst <David.Billinghurst@riotinto.com>
1896 * config/i386/i386-protos.h: Correct declaration of
1897 i386_pe_asm_named_section.
1899 2001-08-22 John David Anglin <dave@hiauly1.hia.nrc.ca>
1901 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Add declaration for
1903 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
1905 2001-08-22 Neil Booth <neil@daikokuya.demon.co.uk>
1907 * cpperror.c (print_location): Don't show _Pragma.
1908 * cppfiles.c (_cpp_pop_file_buffer): Handle -include file pushing
1909 and file change callback generation here.
1910 (stack_include_file): Update use of cpp_push_buffer.
1911 * cpphash.h (_cpp_pop_file_buffer): Update prototype.
1912 (struct cpp_buffer): Remove type, pfile members.
1913 * cppinit.c (cpp_handle_option): Use free_chain.
1914 * cpplex.c (_cpp_lex_token): Don't do -include file pushing here.
1915 (skip_escaped_newlines, get_effective_char, lex_percent): Take
1916 a cpp_reader rather than a cpp_buffer.
1917 (skip_escaped_newlines, get_effective_char, skip_block_comment,
1918 skip_line_comment, parse_string, lex_percent, lex_dot,
1919 _cpp_lex_token): Update accordingly.
1920 * cpplib.c (_cpp_pop_buffer): Don't do file change callback
1922 (cpp_push_buffer): Update prototype.
1923 (run_directive): Update use of cpp_push_buffer.
1924 (_cpp_do__Pragma, cpp_define, cpp_define_builtin, cpp_undef,
1925 handle_assertion): Update use of run_directive.
1926 * cpplib.h (enum cpp_buffer_type): Remove.
1927 (cpp_push_buffer): Update prototype.
1928 * fix-header.c (read_scan_file): Update.
1930 2001-08-22 Matt Kraai <kraai@alumni.carnegiemellon.edu>
1932 * gcc.c (struct prefix_list): Change prefix to const char *.
1934 2001-08-22 Matt Kraai <kraai@alumni.carnegiemellon.edu>
1936 * final.c (final_scan_insn): Call ADDR_VEC_ALIGN on next insn.
1938 2001-08-22 Jason Merrill <jason_merrill@redhat.com>
1940 * explow.c (set_mem_attributes): Avoid returning a bogus alias set
1943 * jump.c (squeeze_notes): Take parms by reference. Handle END being
1946 * ifcvt.c (dead_or_predicable): Adjust.
1947 * loop.c (find_and_verify_loops): Adjust.
1948 * stmt.c (expand_end_case): Adjust.
1949 * flow.c (merge_blocks_move_successor_nojumps): Adjust. Modify the
1950 head and end insn pointers in the basic block, not just local copies.
1951 (merge_blocks_move_predecessor_nojumps): Likewise.
1953 2001-08-22 Lars Brinkhoff <lars@nocrew.org>
1955 * Makefile.in, alias.c, basic-block.h, bb-reorder.c, bitmap.c,
1956 bitmap.h, builtin-types.def, builtins.c, builtins.def,
1957 c-aux-info.c, c-common.c, c-common.def, c-common.h,
1958 c-convert.c, c-decl.c, c-dump.c, c-dump.h, c-errors.c,
1959 c-format.c, c-lang.c, c-lex.c, c-lex.h, c-parse.in,
1960 c-pragma.c, c-pragma.h, c-semantics.c, c-tree.h, c-typeck.c,
1961 caller-save.c, calls.c, collect2.c, collect2.h, combine.c,
1962 conditions.h, config.gcc, configure.frag, configure.in,
1963 conflict.c, convert.c, convert.h, cppspec.c, crtstuff.c,
1964 cse.c, cselib.c, cselib.h, dbxout.c, dbxout.h, defaults.h,
1965 dependence.c, df.c, df.h, diagnostic.c, diagnostic.h,
1966 doloop.c, dominance.c, dwarf.h, dwarf2.h, dwarf2asm.c,
1967 dwarf2asm.h, dwarf2out.c, dwarf2out.h, dwarfout.c,
1968 emit-rtl.c, errors.c, errors.h, except.c, except.h,
1969 exgettext, explow.c, expmed.c, expr.c, expr.h, final.c,
1970 fixproto, flags.h, flow.c, fold-const.c, fp-test.c,
1971 function.c, function.h, gbl-ctors.h, gcc.c, gcc.h, gcc.hlp,
1972 gccspec.c, gcov-io.h, gcse.c, genattr.c, genattrtab.c,
1973 gencheck.c, gencodes.c, genconfig.c, genemit.c,
1974 genextract.c, genflags.c, gengenrtl.c, genmultilib,
1975 genopinit.c, genoutput.c, genpeep.c, genrecog.c,
1976 gensupport.c, gensupport.h, ggc-callbacks.c, ggc-common.c,
1977 ggc-none.c, ggc-page.c, ggc-simple.c, ggc.h, global.c,
1978 graph.c, graph.h, gthr-aix.h, gthr-dce.h, gthr-posix.h,
1979 gthr-rtems.h, gthr-single.h, gthr-solaris.h, gthr-vxworks.h,
1980 gthr-win32.h, gthr.h, haifa-sched.c, halfpic.c, halfpic.h,
1981 hard-reg-set.h, hwint.h, ifcvt.c, input.h, insn-addr.h,
1982 integrate.c, integrate.h, jump.c, lcm.c, libgcc2.c,
1983 libgcc2.h, lists.c, local-alloc.c, loop.c, loop.h,
1984 machmode.def, machmode.h, main.c, mbchar.c, mbchar.h,
1985 mips-tdump.c, mips-tfile.c, mklibgcc.in, mkmap-flat.awk,
1986 mkmap-symver.awk, optabs.c, output.h, params.c, params.def,
1987 params.h, predict.c, predict.def, predict.h, prefix.c,
1988 prefix.h, print-rtl.c, print-tree.c, profile.c, protoize.c,
1989 read-rtl.c, real.c, real.h, recog.c, recog.h, reg-stack.c,
1990 regclass.c, regmove.c, regrename.c, regs.h, reload.c,
1991 reload.h, reload1.c, reorg.c, resource.c, resource.h, rtl.c,
1992 rtl.def, rtl.h, rtlanal.c, sbitmap.c, sbitmap.h,
1993 sched-deps.c, sched-ebb.c, sched-int.h, sched-rgn.c,
1994 sched-vis.c, sdbout.c, sdbout.h, sibcall.c, simplify-rtx.c,
1995 ssa-ccp.c, ssa-dce.c, ssa.c, ssa.h, stmt.c, stor-layout.c,
1996 stringpool.c, system.h, timevar.c, timevar.def, timevar.h,
1997 tlink.c, toplev.c, toplev.h, tree.c, tree.def, tree.h,
1998 tsystem.h, unroll.c, unwind-dw2-fde.c, unwind-dw2-fde.h,
1999 unwind-dw2.c, unwind-pe.h, unwind-sjlj.c, unwind.h,
2000 unwind.inc, varasm.c, varray.c, varray.h, xcoffout.c,
2001 xcoffout.h: replace "GNU CC" with "GCC".
2003 2001-08-21 Richard Henderson <rth@redhat.com>
2005 * final.c (LABEL_ALIGN_AFTER_BARRIER): Default to no alignment.
2006 (final_scan_insn): Consider jump tables data even if we have no
2007 independant text section if !JUMP_TABLES_IN_TEXT_SECTION. Use
2009 * config/ia64/ia64.h (JUMP_TABLES_IN_TEXT_SECTION): Remove.
2010 (ASM_OUTPUT_CASE_END): Remove.
2011 (ASM_OUTPUT_ADDR_DIFF_ELT): Emit pc-relative references.
2012 * config/ia64/ia64.md (tablejump): Decode pc-relative references.
2013 * config/ia64/sysv4.h (ASM_OUTPUT_BEFORE_CASE_LABEL): Remove.
2015 2001-08-21 Richard Henderson <rth@redhat.com>
2017 * config/ia64/ia64.c (emit_all_insn_group_barriers): Flush state
2018 at barrier insns. Emit stop bits before barriers.
2020 * flow.c (flow_find_cross_jump): Don't consider unconditional
2021 return insns for commoning.
2023 * final.c (compute_alignments): Fix typo.
2025 * expmed.c (CODE_FOR_insv, gen_insv): Provide defaults.
2026 (CODE_FOR_extv, gen_extv, CODE_FOR_extzv, gen_extzv): Likewise.
2027 (store_bit_field): Use mode_for_extraction more places.
2028 (extract_bit_field): Likewise.
2030 2001-08-21 Zack Weinberg <zackw@panix.com>
2032 * caller-save.c: Don't include insn-codes.h.
2033 (reg_save_code, reg_restore_code): Make arrays of int.
2034 All uses updated to match.
2035 (insert_save, insert_restore): No need to initialize "code"
2036 variable upon declaration.
2037 * Makefile.in: update dependencies; fix typo in clean rule.
2039 2001-08-21 Richard Henderson <rth@redhat.com>
2041 * ifcvt.c (find_if_block): Allow join_bb as EXIT.
2042 (merge_if_block): Handle fallout from same.
2044 2001-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2046 * builtins.c (type_to_class): Fix typo in last change.
2048 2001-08-21 Richard Henderson <rth@redhat.com>
2050 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Don't emit '#' if
2051 ia64_asm_output_label.
2053 * config/ia64/crtbegin.asm (__do_global_dtors_aux): Use saved
2054 copy of gp while the real gp register contains garbage.
2056 2001-08-21 Zack Weinberg <zackw@panix.com>
2058 * expmed.c (mode_for_extraction): New function.
2059 (store_bit_field, extract_bit_field): Use it.
2060 * expr.h: Prototype it and provide an enum for its first argument.
2062 * combine.c, function.c, recog.c: Don't include insn-codes.h.
2063 Use mode_for_extraction rather than testing HAVE_insv/extv/extzv
2064 and digging through the insn_data tables.
2065 * Makefile.in: Update dependencies.
2067 2001-08-22 Neil Booth <neil@daikokuya.demon.co.uk>
2069 * cppfiles.c (stack_include_file): line-map.c now handles include
2071 (handle_missing_handler): Similarly.
2072 (_cpp_execute_include): Similarly.
2073 (_cpp_pop_file_buffer): Similarly.
2074 * cpphash.h (struct cpp_reader): Remove system_include_depth,
2075 buffer_stack_depth and include_depth.
2076 * cpplib.c (do_include_common): line-map.c now handles include depth.
2077 (cpp_push_buffer): Similarly.
2078 (_cpp_pop_buffer): Similarly.
2079 * cppmacro.c (builtin_macro): Update.
2080 * line-map.c (init_line_maps): Set depth.
2081 (add_line_map): Increment "used" earlier. Update and use the
2083 (trace_include): Use the include depth.
2084 * line-map.h (struct line_maps): New member depth.
2086 2001-08-21 Neil Booth <neil@daikokuya.demon.co.uk>
2088 * cppfiles.c (stack_include_file): Don't handle -H here.
2089 * cppinit.c (cpp_start_read): Set include tracing after
2090 cpp_post_options and after stacking the main file.
2091 * line-map.c (trace_include): New.
2092 (init_line_maps, add_line_map): Update.
2093 * line-map.h (struct line_maps): New member trace_includes.
2095 2001-08-21 Neil Booth <neil@daikokuya.demon.co.uk>
2097 * cppfiles.c (stack_include_file): Harmonize system headerness tests.
2098 * cppfiles.c (stack_include_file): Only stack a file if there
2099 is something to do. Return a boolean indicating whether a
2100 buffer was stacked or not.
2101 (_cpp_execute_include): Similarly.
2102 (_cpp_read_file): Similarly.
2103 * cpphash.h (_cpp_read_file, _cpp_execute_include): Update prototypes.
2105 2001-08-21 Sam Steingold <sds@gnu.org>
2107 * tradcpp.c (rescan): define obufp_before_macroname before RECACHE
2108 (RECACHE): keep obufp_before_macroname up to date
2110 2001-08-21 Zack Weinberg <zackw@panix.com>
2112 * stmt.c: Don't include insn-codes.h.
2113 (expand_end_case): Machine specific logic moved to expr.c.
2114 No need to worry about __builtin_classify_type.
2115 (check_for_full_enumeration_handling, emit_case_nodes):
2118 * builtins.o (expand_builtin_classify_type): Split up so code
2119 can be shared with fold_builtin_classify_type.
2120 (type_to_class, fold_builtin_classify_type): New functions.
2121 (fold_builtins): Handle __builtin_classify_type.
2123 * expr.c (do_tablejump): Now static.
2124 (case_values_threshold, try_casesi, try_tablejump): New;
2125 code mostly from stmt.c (expand_end_case).
2126 (expr.h): Update prototypes.
2128 * Makefile.in (stmt.o): Update dependencies.
2130 2001-08-21 Will Cohen <wcohen@redhat.com>
2132 * configure/alpha/alpha.h (CONDITIONAL_REGISTER_USAGE): Added local
2133 declaration of variable i.
2134 * configure/rs6000/rs6000.h (CONDITIONAL_REGISTER_USAGE): Added local
2135 declaration of variable i.
2137 2001-08-21 Richard Henderson <rth@redhat.com>
2139 * crtstuff.c: Fix thinko last change. Move list tails to start
2140 of CRT_END section. Tidy ifdefs.
2141 (__EH_FRAME_BEGIN__): Always static for ELF.
2142 (__do_global_ctors_1): Rename from __frame_dummy.
2143 * config/mips/iris6.h (LINK_SPEC): Update for __do_global_ctors_1
2144 name change; don't hide __EH_FRAME_BEGIN__.
2146 2001-08-21 Richard Henderson <rth@redhat.com>
2148 * gdbinit.in: Move break on exit after break on fancy_abort.
2150 * config/ia64/ia64.c (ia64_return_in_memory): True for variable
2153 2001-08-21 Neil Booth <neil@daikokuya.demon.co.uk>
2155 * cpphash.h (_cpp_push_next_buffer): New.
2156 * cppinit.c (do_includes): Remove.
2157 (push_include, free_chain, _cpp_push_next_buffer): New.
2158 (cpp_start_read): Use them to rework command line option handling.
2159 (cpp_handle_option): Combine handling of -include and -imacros.
2160 * cpplex.c (_cpp_lex_token): Push a new -include buffer if
2161 appropriate. Always insert missing \n at EOF.
2162 * cpplib.c (start_directive): Get the directive position right.
2163 * cppmain.c (cb_file_change): Always print the first line, unless
2166 2001-08-20 Andreas Jaeger <aj@suse.de>
2168 * profile.c (compute_branch_probabilities): Remove extra new-line
2170 * flow.c (verify_flow_info): Likewise.
2172 2001-08-20 Diego Novillo <dnovillo@redhat.com>
2174 * basic-block.h (basic_block): Add new field 'flags'.
2175 (BB_REACHABLE): Define.
2176 (expunge_block): Declare.
2177 * flow.c (ENTRY_BLOCK_PTR): Initialize field 'flags'.
2178 (EXIT_BLOCK_PTR): Ditto.
2179 (expunge_block): Remove static declaration.
2180 (cleanup_cfg): Clear bb->aux on every basic block.
2181 (find_unreachable_blocks): Set BB_REACHABLE bit in bb->flags when
2182 computing reachability.
2183 (delete_unreachable_blocks): Delete block b if b->flags has
2186 2001-08-20 Diego Novillo <dnovillo@redhat.com>
2188 * doc/invoke.texi: Replace references to -fdump-tree with -fdump-ast.
2190 2001-08-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2192 * sparc.c (sparc_variable_issue): Fix typo in last change.
2194 2001-08-20 Richard Henderson <rth@redhat.com>
2196 * varasm.c (assemble_integer): Document ppc-eabi -mrelocatable losage.
2198 2001-08-20 John David Anglin <dave@hiauly1.hia.nrc.ca>
2200 * pa.h (RETURN_IN_MEMORY): Improve comment.
2202 2001-08-20 Janis Johnson <janis187@us.ibm.com>
2204 * doc/invoke.texi (Profiling options): Clarify the interactions
2205 between -fprofile-arcs and -ftest-coverage, -fprofile-arcs.
2207 2001-08-20 Jeffrey Oldham <oldham@codesourcery.com>
2209 * crtstuff.c (__do_global_ctors): Fix typo in preprocessing
2212 2001-08-20 Matt Kraai <kraai@alumni.carnegiemellon.edu>
2214 * gcc.c (make_relative_prefix): Allocate a sufficiently large
2217 2001-08-20 Richard Henderson <rth@redhat.com>
2219 * final.c (end_final): Fix typo last change.
2221 2001-08-20 Neil Booth <neil@daikokuya.demon.co.uk>
2223 * cppinit.c (init_standard_includes): The returned buffer
2224 is already malloc-ed.
2225 * gcc.c (add_prefix): Similarly.
2226 * prefix.c (translate_name): Update to support clear buffer
2228 (update_path): Similarly. Be sure to free any newly allocated
2229 key. UPDATE_PATH_HOST_CANONICALIZE takes only one argument.
2231 * prefix.h (update_path): Update prototype and document.
2232 * config/i386/xm-djgpp.h (UPDATE_PATH_HOST_CANONICALIZE): Clean
2233 up and update to new buffer ownership rules.
2234 * doc/gcc.texi (UPDATE_PATH_HOST_CANONICALIZE): Update.
2236 Mon Aug 20 01:44:50 CEST 2001 Jan Hubicka <jh@suse.cz>
2238 * final.c (compute_alignments): New function.
2239 (init_insn_lengths): Do not care label_align.
2240 (LABEL_ALIGN_AFTER_BARRIER): Default to 1.
2241 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to 0.
2242 (JUMP_ALIGN, JUMP_ALIGN_MAX_SKIP): New.
2243 (shorted_branches): Realloc label_align array; do
2244 not call init_insn_lengths; Do not care about loop alignments.
2245 * output.h (compute_alignments): Declare.
2246 * toplev.c (rest_of_compilation): Call compute_alignments.
2247 * tm.texi (JUMP_ALIGN, JUMP_ALIGN_MAX_SKIP): Document.
2249 * predict.c (block_info_def): Add npredecesors, remove nvisited;
2250 change visited to tovisit.
2251 (propagate_freq): Use faster traversing algorithm.
2252 (estimate_loops_at_level, estimate_bb_frequencies): Change visited
2253 to tovisit; reverse meaning.
2255 * predict.c (struct block_info_def): Remove nvisited.
2256 (propagate_freq): Use EDGE_DFS_BACK to detect irreducible regions.
2257 (estimate_bb_frequencies): Call mark_dfs_back_edges.
2259 2001-08-19 Geoffrey Keating <geoffk@redhat.com>
2261 * doc/invoke.texi (MIPS Options): Document -mfused-madd.
2262 * config/mips/mips.h (MASK_NO_FUSED_MADD): New.
2263 (TARGET_FUSED_MADD): New.
2264 (TARGET_SWITCHES): Add -mfused-madd, -mno-fused-madd.
2265 * config/mips/mips.md: Add TARGET_FUSED_MADD as condition to
2266 the multiply-add instructions.
2268 2001-08-19 Richard Henderson <rth@redhat.com>
2270 * dwarf2asm.c (dw2_output_indirect_constant_1): The symbol ref
2271 is aligned to pointer size.
2273 2001-08-19 Richard Henderson <rth@redhat.com>
2275 * config/ia64/ia64.c (ia64_cycle_display): Only emit cycle
2276 display markers during final schedule.
2278 2001-08-19 Richard Henderson <rth@redhat.com>
2280 * function.c (gen_mem_addressof): Don't call get_alias_set if no decl.
2282 2001-08-19 Richard Henderson <rth@redhat.com>
2284 * config/ia64/ia64.h (STRIP_NAME_ENCODING): Handle @ and *
2286 (ASM_NAME_TO_STRING): Remove.
2287 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Handle @ and *
2288 in the same string. Remove support for expressions.
2290 2001-08-19 Richard Henderson <rth@redhat.com>
2292 * config/i386/i386.md (tablejump): Make an expander; handle
2293 pic relative addressing here.
2294 (tablejump_1): Rename from tablejump_pic.
2297 2001-08-19 Richard Henderson <rth@redhat.com>
2299 * regclass.c (fix_register): Fix typo.
2301 2001-08-18 Richard Henderson <rth@redhat.com>
2303 * config/ia64/unwind-ia64.c (UNW_REG_B0): New.
2304 (struct _Unwind_Context): Expand br_loc to hold it.
2305 (uw_frame_state_for): Handle leaf functions better.
2306 (uw_update_reg_address): Update for br_loc change.
2308 2001-08-18 Richard Henderson <rth@redhat.com>
2310 * crtstuff.c: Move list heads before code that uses them.
2311 (__JCR_LIST__): Remove initial null.
2312 (frame_dummy, __frame_dummy): Do java registration here ...
2313 (__do_global_ctors_aux): ... not here.
2315 * config/ia64/crtbegin.asm (dtor_ptr): Make gp-relative.
2316 (__do_global_dtors_aux): Update to match.
2317 (__JCR_LIST__, __do_jv_register_classes): New.
2319 * config/ia64/crtend.asm (__JCR_END__): New.
2320 (__do_global_ctors_aux): Use a GPREL64I reloc to __CTOR_END__
2321 instead of an indirect LTOFF22 reloc.
2323 2001-08-18 Richard Henderson <rth@redhat.com>
2325 * flow.c (mark_regs_live_at_end): Use regs_invalidated_by_call.
2326 * regclass.c (init_reg_sets_1): Fix typo.
2327 * config/ia64/ia64.c (ar_pfs_reg_operand): New.
2328 (ia64_expand_call): Pass ar.pfs to sibcall expanders.
2329 (ia64_compute_frame_size): Make ar.unat live when in use.
2330 (ia64_epilogue_uses): Reformat; do not check current_function_is_leaf
2331 for ar.pfs; remove ar.unat handling.
2332 * config/ia64/ia64.h (CALL_REALLY_USED_REGISTERS): ar.unat is
2334 (PREDICATE_CODES): Add ar_pfs_reg_operand.
2335 * config/ia64/ia64-protos.h: Update decls.
2336 * config/ia64/ia64.md (sibcall_nopic): Use ar.pfs.
2337 (sibcall_pic): Likewise.
2339 2001-08-18 Richard Henderson <rth@redhat.com>
2341 * config/ia64/ia64.c (ia64_sched_reorder2): Also skip past
2342 pred_rel_mutex when searching for insn_group_barrier.
2343 * config/ia64/ia64.md (cycle_display): Combine the expander
2346 * config/ia64/ia64.c (ia64_internal_sched_reorder): Emit stop
2347 bit before asm as needed.
2349 2001-08-18 Richard Henderson <rth@redhat.com>
2351 * timevar.def (TV_MACH_DEP): New.
2352 * toplev.c (rest_of_compilation): Use it.
2353 * config/ia64/ia64.c (ia64_reorg): Push to TV_SCHED2.
2355 2001-08-18 Zack Weinberg <zackw@panix.com>
2357 * unwind-dw2.c (execute_stack_op): Add default aborts to
2358 the inner switches to prevent warnings.
2360 2001-08-18 Richard Henderson <rth@redhat.com>
2362 * timevar.h (struct timevar_time_def): Change element type to float.
2363 (ticks_to_msec, clocks_to_msec): Likewise.
2364 (TICKS_TO_MSEC, CLOCKS_TO_MSEC): Rescale to seconds; use type float.
2365 (get_time): Likewise.
2366 (timevar_print): Adjust zero check and printing to match.
2368 2001-08-18 Zack Weinberg <zackw@panix.com>
2370 * doc/extend.texi, doc/gcc.texi, doc/install-old.texi,
2371 doc/invoke.texi, doc/md.texi, doc/rtl.texi, doc/include/gpl.texi:
2372 Eliminate overfull or underfull hboxes.
2374 2001-08-18 Zack Weinberg <zackw@panix.com>
2376 * cpperror.c: Use VA_OPEN/VA_CLOSE/VA_FIXEDARG throughout.
2378 2001-08-18 Zack Weinberg <zackw@panix.com>
2380 * haifa-sched.c: Convert to target hooks. Macros replaced
2381 are ISSUE_RATE, ADJUST_COST, ADJUST_PRIORITY, MD_SCHED_INIT,
2382 MD_SCHED_REORDER, MD_SCHED_REORDER2, MD_SCHED_VARIABLE_ISSUE,
2383 MD_SCHED_FINISH, and HAVE_cycle_display.
2384 * target-def.h (TARGET_SCHED_ADJUST_COST,
2385 TARGET_SCHED_ADJUST_PRIORITY, TARGET_SCHED_ISSUE_RATE,
2386 TARGET_SCHED_VARIABLE_ISSUE, TARGET_SCHED_INIT,
2387 TARGET_SCHED_FINISH, TARGET_SCHED_REORDER,
2388 TARGET_SCHED_REORDER2, TARGET_SCHED_CYCLE_DISPLAY):
2389 New hook #defines to be overridden.
2390 (TARGET_SCHED): Bring them all together.
2391 (TARGET_INITIALIZER): Update.
2392 * target.h: Don't forward declare struct rtx_def. Use 'rtx'
2393 instead of 'struct rtx_def *' throughout.
2394 (struct sched): New set of hooks for the scheduler.
2395 * Makefile.in (haifa-sched.o): Depend on target.h.
2396 * doc/tm.texi: Document the new scheduler hooks, together in
2397 their own section, instead of scattered around.
2398 Fix a bunch of underfull/overfull hboxes.
2400 * a29k.h, alpha.h, arm.h, c4x.h, convex.h, d30v.h, i386.h,
2401 ia64.h, m32r.h, m88k.h, mips.h, pa.h, rs6000.h, s390.h, sh.h,
2402 sparc.h: Don't define any of the old scheduler macros.
2404 * a29k.c, alpha.c, arm.c, c4x.c, convex.c, d30v.c, i386.c,
2405 ia64.c, m32r.c, m88k.c, mips.c, pa.c, rs6000.c, s390.c, sh.c,
2406 sparc.c: Create hook functions from code extracted from
2407 corresponding target header, or make existing hooks static, as
2408 appropriate. Set the appropriate entries in targetm.
2410 * alpha-protos.h, arm-protos.h, c4x-protos.h, d30v-protos.h,
2411 i386-protos.h, ia64-protos.h, m32r-protos.h, pa-protos.h,
2412 rs6000-protos.h, s390-protos.h, sparc-protos.h:
2413 Remove prototypes for functions which are now static.
2415 * d30v.h, d30v.c, m32r.h, m32r.c: Remove #ifdef HAIFA and
2416 related gunk; the Haifa scheduler is now the only choice.
2418 2001-08-18 Zack Weinberg <zackw@panix.com>
2420 * optabs.h (OTI_flodiv, flodiv_optab): Kill.
2421 * genopinit.c: Put floating point divide insns in sdiv_optab.
2422 * expr.c (expand_expr): Use sdiv_optab, not flodiv_optab.
2423 * config/gofast.h, config/c4x/c4x.h,
2424 config/ia64/hpux_longdouble.h, config/mips/mips.h,
2425 config/pa/long_double.h, config/rs6000/sysv4.h,
2426 config/sparc/sparc.h: Put floating point divide libcalls in sdiv_optab.
2427 * optabs.c (init_optab): Break into new_optab, init_optab, init_optabv.
2428 (init_optabs): Use init_optabv for overflow-trapping optabs.
2429 Don't init flodiv_optab. Give mov_optab, movstrict_optab, and
2430 cmp_optab RTX codes so have_insn_for can find them.
2432 * optabs.c (expand_simple_binop, expand_simple_unop,
2433 have_insn_for, gen_sub3_insn): New interfaces.
2434 * expr.h: Prototype new functions.
2435 (enum optab_methods): Move here from optabs.h.
2437 * builtins.c, combine.c, doloop.c, function.c, ifcvt.c,
2438 loop.c, profile.c, simplify-rtx.c, stmt.c, unroll.c:
2439 Use new functions instead of working directly with optabs.
2440 * doloop.c, ifcvt.c, loop.c, profile.c, simplify-rtx.c,
2441 unroll.c: Don't include optabs.h.
2442 * caller-save.c, combine.c, function.c, stmt.c: Just include
2443 insn-codes.h, not optabs.h.
2444 * Makefile.in: Update dependencies.
2446 * combine.c (make_compound_operation, simplify_comparison):
2447 Fix typos testing for this or that instruction.
2449 2001-08-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2451 * mklibgcc.in: Prefer LIB1ASMFUNCS over LIB2_DIVMOD_FUNCS when
2452 generating libgcc.a.
2454 2001-08-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2456 * except.c (TYPE_HASH): Delete.
2458 * objc/objc-act.c (HASHFUNCTION): Cast to size_t, not
2461 * tree.c (TYPE_HASH): Delete.
2463 * tree.h (TYPE_HASH): Define.
2465 2001-08-18 Graham Stott <grahams@redhat.com>
2467 * config/mips/mips.md (adddi3_internal_2+1): Remove contraints from
2469 (adddi3_internal_2+2): Likewise.
2470 (eh_set_lr_di+1): Likewise.
2472 2001-08-17 Richard Henderson <rth@redhat.com>
2474 * defaults.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
2475 UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Move from ...
2476 * dwarf2asm.c: ... here.
2477 * dwarfout.c: Remove them.
2479 * varasm.c (assemble_integer): Add align parameter.
2480 (assemble_real, output_constant, output_constructor): Likewise.
2481 * output.h: Update decls.
2482 * dwarf2asm.c, final.c, varasm.c, config/darwin.c, config/nextstep.c,
2483 config/alpha/alpha.c, config/arm/arm.md, config/clipper/clipper.c,
2484 config/m88k/m88k.c, config/mcore/mcore.md, config/mips/mips.h,
2485 config/mips/mips.md, config/pa/pa.c, config/rs6000/rs6000.c,
2486 config/rs6000/rs6000.h, config/s390/s390.h, config/sh/sh.md:
2489 * final.c (end_final): Abort profile block generation if we
2490 havn't layed it out properly.
2491 * output.h (assemble_eh_integer): Remove stale decl.
2492 * varasm.c (assemble_zeros): Tidy; use assemble_integer.
2494 (assemble_integer): Handle unaligned data.
2495 (assemble_real): Abort on unaligned data.
2496 (output_constructor): Don't assume ASM_OUTPUT_ALIGN 0 does
2498 (default_dtor_section_asm_out_destructor): Use assemble_align.
2499 (default_named_section_asm_out_constructor): Likewise.
2500 (default_ctor_section_asm_out_constructor): Likewise.
2501 * config/darwin.c (machopic_asm_out_constructor): Likewise.
2502 (machopic_asm_out_destructor): Likewise.
2503 * config/nextstep.c (nextstep_asm_out_constructor): Likewise.
2504 (nextstep_asm_out_destructor): Likewise.
2505 * config/alpha/alpha.c (vms_asm_out_constructor): Likewise.
2506 (vms_asm_out_destructor): Likewise.
2508 2001-08-17 Richard Henderson <rth@redhat.com>
2510 * config/mips/iris6.h (TARGET_IRIX6): New.
2511 (current_section_name, current_section_flags): New.
2512 (ASM_OUTPUT_ALIGN, ASM_FILE_START, ASM_FILE_END): New.
2513 (MAX_OFILE_ALIGNMENT): New.
2514 (ASM_OUTPUT_ALIGNED_LOCAL): Use bss_section.
2515 * config/mips/mips.c (mips_make_temp_file, temp_filename): Remove.
2516 (copy_file_data): Split out from
2517 (mips_asm_file_end): ... here.
2518 (mips_asm_file_start): Remove extra .section directive. Use
2519 tmpfile instead of mips_make_temp_file.
2520 (mips_unique_section): Use const char * as needed for warnings.
2521 (iris6_asm_named_section_1): Renamed from iris6_asm_named_section;
2522 re-add align parameter.
2523 (iris6_asm_named_section): New.
2524 (iris_section_align_entry_eq, iris_section_align_entry_hash): New.
2525 (iris6_asm_output_align, iris6_section_align_1): New.
2526 (iris6_asm_file_start, iris6_asm_file_end): New.
2527 * config/mips/mips-protos.h: Update decls.
2529 2001-08-17 Janis Johnson <janis187@us.ibm.com>
2531 * doc/install.texi (Install GCC): Add links to build status pages.
2533 (Final install): Ditto; request updates for specific info
2535 2001-08-17 Neil Booth <neil@daikokuya.demon.co.uk>
2537 * cpperror.c (print_location): Don't take a file name; use the
2539 (_cpp_begin_message): Similarly.
2540 (cpp_ice, cpp_fatal, cpp_error, cpp_error_with_line, cpp_warning,
2541 cpp_warning_with_line, cpp_pedwarn, cpp_pedwarn_with_line): Update.
2542 (cpp_pedwarn_with_file_and_line): Remove.
2543 * cppfiles.c (stack_include_file): Update; set filename to stdin
2544 here when appropriate.
2545 * cpphash.h (struct cpp_buffer): Remove nominal_fname.
2546 (_cpp_begin_message): Don't take a file name.
2547 * cppinit.c: Add comment.
2548 * cpplex.c: Fix end-of-directive indicator.
2549 * cpplib.c: Don't include intl.h.
2550 (run_directive, do_diagnostic): Update.
2551 (do_line): Update to not use nominal_fname.
2552 (cpp_push_buffer): Don't take a filename.
2553 * cpplib.h (struct ht): Remove.
2554 (cpp_push_buffer): Don't take a filename.
2555 (cpp_pedwarn_with_file_and_line): Remove.
2556 * cppmacro.c (struct cpp_macro): Remove file.
2557 (builtin_macro): Update.
2558 (_cpp_create_definition): Update.
2559 * cppmain.c: Correct comment.
2560 * fix-header.c (read_scan_file): Update.
2562 2001-08-17 Kazu Hirata <kazu@hxi.com>
2564 * sbitmap.c: Fix comment formatting.
2565 * sched-deps.c: Likewise.
2566 * sibcall.c: Likewise.
2567 * simplify-rtx.c: Likewise.
2569 * ssa-ccp.c: Likewise.
2570 * stor-layout.c: Likewise.
2571 * timevar.c: Likewise.
2572 * toplev.c: Likewise.
2573 * unwind-dw2.c: Likewise.
2574 * unwind-dw2-fde.c: Likewise.
2575 * varasm.c: Likewise.
2577 2001-08-17 John David Anglin <dave@hiauly1.hia.nrc.ca>
2579 * pa.h (RETURN_IN_MEMORY): Return types with a size that is varable
2580 or larger than an integer in memory.
2582 2001-08-17 Zack Weinberg <zackw@panix.com>
2584 * system.h: Forward-declare struct rtx_def, struct rtvec_def,
2585 and union tree_node. Typedef rtx, rtvec, and tree. Fix comment.
2586 * rtl.h: Don't forward-declare union tree_node here. Don't
2587 typedef rtx or rtvec here. Change all uses of struct rtx_def *,
2588 struct rtvec_def *, or union tree_node * to use rtx, rtvec,
2589 and tree respectively.
2590 * tree.h: Don't forward-declare struct rtx_def here. Don't
2591 typedef tree here. Change all uses of struct rtx_def *,
2592 struct rtvec_def *, or union tree_node * to use rtx, rtvec,
2593 and tree respectively.
2595 2001-08-17 Richard Henderson <rth@redhat.com>
2597 * config/mips/elf.h, config/mips/elf64.h, config/mips/netbsd.h,
2598 config/mips/openbsd.h: Fix typos last change.
2600 2001-08-17 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2602 * doc/invoke.texi (Optimize Options): The default for
2603 -finline-limit is 600.
2605 2001-08-17 Richard Henderson <rth@redhat.com>
2607 * varasm.c (text_section): Allow TEXT_SECTION to override the
2608 printing of TEXT_SECTION_ASM_OP.
2609 * dwarf2out.c (TEXT_SECTION_NAME): Rename from TEXT_SECTION.
2610 (DATA_SECTION, BSS_SECTION): Remove.
2611 * dwarfout.c (TEXT_SECTION_NAME, DATA_SECTION_NAME, DATA1_SECTION_NAME,
2612 RODATA_SECTION_NAME, RODATA1_SECTION_NAME, BSS_SECTION_NAME):
2613 Rename from s/_NAME//.
2614 * config/mips/mips.h (TARGET_FILE_SWITCHING): Add !TARGET_MIPS16.
2615 (ASM_DECLARE_FUNCTION_NAME): Move file switching ...
2616 (TEXT_SECTION): ... here. New.
2617 * config/mips/elf.h (TEXT_SECTION): New; no file switching.
2618 * config/mips/elf64.h, config/mips/netbsd.h: Likewise.
2619 * config/mips/openbsd.h: Likewise.
2620 * config/mips/mips.c (mips_asm_file_start): Tidy file switching test.
2621 (mips_asm_file_end): Likewise test.
2622 (mips_output_function_epilogue): Likewise. Switch back to data
2623 section after emitting the function.
2625 * doc/tm.texi (Sections): Document TEXT_SECTION.
2627 2001-08-17 Richard Henderson <rth@redhat.com>
2629 * dwarf2out.c (dwarf2out_init): Don't emit .debug_loc label here.
2630 (dwarf2out_finish): Do it here. Emit .debug_loc before .debug_info.
2632 2001-08-17 Richard Henderson <rth@redhat.com>
2634 * varasm.c (assemble_variable): Don't overalign if DECL_USER_ALIGN.
2635 * crtstuff.c (__CTOR_LIST__, __DTOR_LIST__, __EH_FRAME_BEGIN__,
2636 __JCR_LIST__, __CTOR_END__, __DTOR_END__, __FRAME_END__,__JCR_END__):
2637 Add aligned attribute.
2639 2001-08-17 Andrew Haley <aph@cambridge.redhat.com>
2641 * config/sh/sh.md: Add modes to unspecs in first insn to match
2642 those in the second.
2644 * Makefile.in: Fix collect2 copy for Cygwin.
2646 Fri Aug 17 15:48:57 CEST 2001 Jan Hubicka <jh@suse.cz>
2648 Install the proper patch.
2649 * function.c (put_var_into_stack): Temporarily clear DECL_RTL.
2650 (assign_params): Avoid setting DECL_RTL to unfinished RTX.
2651 (expand_function_start): Likewise.
2652 * stmt.c (expand_decl): Likewise.
2653 * varasm.c (make_decl_rtx): Likewise.
2655 Fri Aug 17 15:41:35 CEST 2001 Jan Hubicka <jh@suse.cz>
2657 * final.c: Undo my previous accidental checkin.
2658 * output.h: Likewise.
2659 * tm.texi: Likewise.
2661 2001-08-16 Richard Henderson <rth@redhat.com>
2663 * varasm.c (named_section_flags): Remove align parameter.
2664 * varasm.c, dwarf2out.c: Update all callers.
2665 * output.h: Update prototypes.
2667 * target.h (target.asm_out.named_section): Remove align parameter.
2668 * varasm.c, config/a29k/a29k.c, config/alpha/alpha.c,
2669 config/arm/arm.c, config/c4x/c4x.c, config/h8300/h8300.c,
2670 config/i386/i386.c, config/i386/winnt.c, config/m68k/m68k.c,
2671 config/mcore/mcore.c, config/mips/mips.c, config/rs6000/rs6000.c,
2672 config/sh/sh.c, config/sparc/sparc.c: Update implementations to match.
2674 * varasm.c (in_named_entry_eq, in_named_entry_hash): New.
2675 (get_named_section_flags, set_named_section_flags): New.
2676 (named_section_flags): Use them.
2677 (named_section): Do decl vs section flags check here...
2678 (default_section_type_flags): ... not here.
2679 (init_varasm_once): Create in_named_htab.
2680 (resolve_unique_section): Mark reloc unused.
2682 2001-08-16 Richard Henderson <rth@redhat.com>
2684 * varasm.c (force_const_mem): Keep pool alignment in bits.
2685 (output_constant_pool): Use assemble_align.
2687 2001-08-16 Zack Weinberg <zackw@panix.com>
2689 * doc/tm.texi: Remove extra @table command.
2691 2001-08-16 Zack Weinberg <zackw@panix.com>
2693 * final.c (shorten_branches): Clear the end of the label_align
2694 array only if we made it larger. Break up messy expressions
2697 * diagnostic.c (internal_error): Check for error recursion
2698 before doing ICE suppression.
2700 * timevar.c: Timing variables now count in milliseconds.
2701 (init_timevar): Set up ticks_to_msec and clocks_to_msec here.
2702 (get_time): Not here.
2703 (timevar_print): Don't print any timer whose user, cpu, and
2704 wall times are all zero as displayed.
2705 * timevar.h: Update comment aboout units. Make timevar
2708 Thu Aug 16 17:39:45 CEST 2001 Jan Hubicka <jh@suse.cz>
2710 * function.c (put_var_into_stack): Temporarily clear DECL_RTL.
2711 (assign_params): Avoid setting DECL_RTL to unfinished RTX.
2712 (expand_function_start): Likewise.
2713 * stmt.c (expand_decl): Likewise.
2714 * varasm.c (make_decl_rtx): Likewise.
2716 2001-08-16 Jason Merrill <jason_merrill@redhat.com>
2718 * stor-layout.c (layout_decl): Don't set DECL_USER_ALIGN.
2719 (finalize_record_size): Don't set TYPE_USER_ALIGN.
2721 2001-08-16 Matt Kraai <kraai@alumni.carnegiemellon.edu>
2723 * config/i386/i386.c (ix86_init_mmx_sse_builtins): Remove unused
2726 2001-08-16 Andreas Jaeger <aj@suse.de>
2728 * config/s390/s390.c: Include "debug.h" for dwarf2out_do_frame
2731 Wed Aug 15 15:22:52 EDT 2001 John Wehle (john@feith.com)
2733 * rtl.h (only_sets_cc0_p): New prototype.
2734 * jump.c (sets_cc0_p): Handle INSN.
2735 (only_sets_cc0_p): New function.
2736 * flow.c (merge_blocks_nomove): Use only_sets_cc0_p.
2737 (tidy_fallthru_edge): Likewise.
2738 * integrate.c (copy_insn_list): Likewise.
2739 * unroll.c (unroll_loop): Likewise.
2740 (copy_loop_body): Likewise.
2742 2001-08-15 Jason Eckhardt <jle@redhat.com>
2744 * config/i960/i960.md (trap): Change "faulteq.t" to "faulte.t".
2746 Wed Aug 15 14:24:22 CEST 2001 Jan Hubicka <jh@suse.cz>
2748 * predict.c (struct block_info_def): Remove nvisited.
2749 (propagate_freq): Use EDGE_DFS_BACK to detect irreducible regions.
2750 (estimate_bb_frequencies): Call mark_dfs_back_edges.
2752 * i386.c (ix86_agi_depdendant): Lea causes AGI only on the Pentium
2753 (ix86_adjust_cost): Teach scheduler that latency to load operand can
2756 Wed Aug 15 12:41:32 CEST 2001 Jan Hubicka <jh@suse.cz>
2758 * predict.def: Update hitrates.
2760 2001-08-15 Richard Henderson <rth@redhat.com>
2762 * except.c (TYPE_HASH): Cast to size_t, not HOST_WIDE_INT.
2764 Tue Aug 14 17:30:59 2001 Jeffrey A Law (law@cygnus.com)
2766 * flow.c (commit_one_edge_insertion): Don't separate a LOOP_BEG
2767 note from its associated jump.
2769 2001-08-14 Ulrich Weigand <uweigand@de.ibm.com>
2771 * config/s390/linux64.h (CPP_PREDEFINES): Define __s390__
2772 also on 64-bit s390x targets.
2774 2001-08-14 Nick Clifton <nickc@cambridge.redhat.com>
2776 * config/arm/arm.c (arm_compute_initial_elimination_offset): New
2778 (arm_expand_prologue): Handled nested functions which take a
2779 variable argument list.
2780 * config/arm/arm.h (ARM_INITIAL_ELIMINATION_OFFSET): Replace
2781 macro with an invocation of
2782 arm_compute_initial_elimination_offset.
2783 * config/arm/arm-protos.h: Prototype
2784 arm_compute_initial_elimination_offset.
2786 2001-08-14 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2788 * doc/install.texi (Specific, avr): Fix markup.
2789 (Specific, c4x): Ditto.
2791 2001-08-14 Matt Kraai <kraai@alumni.carnegiemellon.edu>
2793 * predict.c (dump_prediction): Change `bool' parameter to `int'.
2795 2001-08-14 Gabriel Dos Reis <gdr@codesourcery.com>
2797 * Makefile.in (OBJS): Add rtl-error.o
2798 (rtl-error.o): New rule.
2799 (diagnostic.o): Adjust dependency.
2800 diagnostic.c (file_and_line_for_asm, diagnostic_for_asm,
2801 error_for_asm, _fatal_insn, _fatal_insn_not_found,
2802 warning_for_asm): Move to...
2803 rtl-error.c: ...here. New file.
2805 2001-08-14 Richard Henderson <rth@redhat.com>
2807 * dwarf2out.c (dwarf2out_frame_finish): Never emit .eh_frame
2808 if USING_SJLJ_EXCEPTIONS.
2810 2001-08-14 Steve Ellcey <sje@cup.hp.com>
2812 * tlink.c (scan_linker_output): Check string for unsatisfied in
2813 addition to undefined and unresolved.
2815 2001-08-14 Graham Stott <grahams@redhat.com>
2817 * libgcc2.c (*): Replace EH_FRAME_SECTION with
2818 EH_FRAME_SECTION_NAME.
2820 Tue Aug 14 14:57:07 CEST 2001 Jan Hubicka <jh@suse.cz>
2822 * genattrtab.c (simplify_test_exp_in_temp): New function.
2823 (simplify_test_exp): Avoid explicit use of temporary obstack.
2824 (simplify_cond, insert_right_side, evaluate_eq_attr,
2825 simplify_and_tree, simplify_or_tree, eliminate_known_true):
2826 Use simplify_test_exp_in_temp.
2827 (optimize_attrs): Iterate until expression stabilizes.
2829 2001-08-13 Ulrich Weigand <uweigand@de.ibm.com>:
2831 * glimits.h: Remove the __LONG_MAX__ special case for s390x.
2832 * config/s390/linux64.h: Define __LONG_MAX__ in CPP_PREDEFINES.
2834 2001-08-13 Richard Henderson <rth@redhat.com>
2836 * config/arm/unknown-elf.h (CTOR_LIST_BEGIN, CTOR_LIST_END): Remove.
2837 (DTOR_LIST_BEGIN, DTOR_LIST_END): Remove.
2838 * config/arm/conix-elf.h: Likewise.
2840 2001-08-13 Geoffrey Keating <geoffk@redhat.com>
2842 * config/svr4.h (LINK_SPEC): Don't do -Wl, here, it is done
2844 * config/rs6000/sysv4.h (LINK_SPEC): Likewise.
2846 * gcse.c (hash_scan_set): Expressions that are set as part of
2847 jump instructions are not available.
2849 2001-08-13 Ulrich Weigand <uweigand@de.ibm.com>
2851 * config/s390/s390.c (print_operand, s390_function_prologue,
2852 s390_va_start): Fixed HOST_WIDE_INT type mismatch.
2854 2001-08-13 Richard Henderson <rth@redhat.com>
2856 * config/rs6000/xcoff.h (EH_FRAME_IN_DATA_SECTION): New.
2857 * defaults.h (EH_FRAME_SECTION_NAME): Respect it.
2858 * doc/tm.texi (Exception Region Output): Document it.
2860 2001-08-13 Geoffrey Keating <geoffk@redhat.com>
2862 * config/rs6000/sysv4.h (PREFERRED_DEBUGGING_TYPE): Use
2863 DWARF2 instead of stabs by default.
2865 2001-08-13 David Edelsohn <edelsohn@gnu.org>
2867 * config/rs6000/rs6000.c: Include optabs.h.
2869 2001-08-13 David Edelsohn <edelsohn@gnu.org>
2871 * config/rs6000/eabi.asm: Define 64-bit versions of FPR
2872 save/restore routines.
2873 * ginclude/ppc-asm.h: Define 64-bit FUNC_* macros.
2875 2001-08-13 Andreas Jaeger <aj@suse.de>
2877 * gcc.c (init_spec): Revert last patch by Theodore Papadopoulo,
2878 the english is correct.
2880 2001-08-13 Zack Weinberg <zackw@panix.com>
2882 * expr.h: Split out optab- and libfunc-related code to...
2883 * optabs.h, libfuncs.h: ... these new headers.
2885 * Makefile.in (CONFIG_H, EXPR_H): Take out insn-codes.h.
2887 (various .o rules): Add $(OPTABS_H) and/or libfuncs.h to
2889 * mkconfig.sh: Don't include insn-codes.h from config.h.
2891 * reload.h: Use #ifdef GCC_INSN_CODES_H to decide whether
2892 enum insn_code is available. Move reload_in_optab and
2893 reload_out_optab array declarations to optabs.h.
2894 * regmove.c (gen_add3_insn): Move to optabs.c, export from
2895 there, prototype in expr.h.
2896 * gencodes.c: Cleanup: zap global variables, don't use
2897 printf where puts will do, don't bother defining MAX_INSN_CODE
2898 which nothing uses, let CODE_FOR_nothing get its value implicitly.
2900 * genemit.c, genopinit.c: Include optabs.h in generated file.
2901 * genoutput.c: Include insn-codes.h in generated file.
2902 * builtins.c, caller-save.c, combine.c, doloop.c, explow.c,
2903 expmed.c, expr.c, function.c, ifcvt.c, loop.c, optabs.c, profile.c,
2904 reload1.c, simplify-rtx.c, stmt.c, unroll.c, config/alpha/alpha.c,
2905 config/arm/arm.c, config/c4x/c4x.c, config/clipper/clipper.c,
2906 config/i386/i386.c, config/ia64/ia64.c, config/mn10300/mn10300.c,
2907 config/pj/pj.c, config/sh/sh.c, config/sparc/sparc.c:
2909 * builtins.c, calls.c, dwarf2out.c, except.c, expr.c, function.c,
2910 optabs.c, stmt.c, config/c4x/c4x.c, config/clipper/clipper.c,
2911 config/m88k/m88k.c, config/sparc/sparc.c:
2913 * reload.c: Include expr.h and optabs.h before reload.h.
2914 * config/alpha/alpha.c: Include tree.h before reload.h.
2915 * config/pa/pa.c: Include expr.h, optabs.h, libfuncs.h,
2916 and reload.h in that order.
2917 * config/sparc/sparc.c: Include debug.h.
2918 * recog.c: Include insn-codes.h.
2920 2001-08-13 Andreas Jaeger <aj@suse.de>
2922 * config.gcc: Use t-slibgcc-elf to build shared libgcc_s on
2925 2000-08-13 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
2927 * dwarf2out.c (output_cfa_loc): Fix typo in comment.
2928 * gcc.c (init_spec): Fix typo in comment.
2929 * varasm.c (data_section): Fix typo in comment.
2931 Mon Aug 13 02:27:39 CEST 2001 Jan Hubicka <jh@suse.cz>
2933 * predict.c (dump_prediction): New argument "USED".
2934 (combine_predictions_for_insn): Determine the used heuristics,
2935 output the case no heuristic applied.
2936 * predict.def (PRED_DS_THEORY, PRED_NO_HEURISTIC): New.
2938 2001-08-13 Andreas Jaeger <aj@suse.de>
2940 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Don't capitalize
2943 2001-08-13 Kazu Hirata <kazu@hxi.com>
2945 * jump.c: Fix formatting.
2947 2001-08-13 Kazu Hirata <kazu@hxi.com>
2949 * config/h8300/h8300.md (zero_extendqihi2): Correct the insn
2952 2001-08-12 Geoffrey Keating <geoffk@redhat.com>
2954 * loop.c (check_dbra_loop): Use condjump_label to compute
2957 * rtl.h: Move prototypes of rtx_alloc and rtvec_alloc around
2958 to better document the files they're in.
2960 2001-08-12 Zack Weinberg <zackw@panix.com>
2962 * recog.h (struct insn_operand_data): Shrink 'mode' field
2965 2001-08-12 Kazu Hirata <kazu@hxi.com>
2967 * gcc.c: Fix comment formatting.
2968 * gccspec.c: Likewise.
2971 * genemit.c: Likewise.
2972 * gengenrtl.c: Likewise.
2973 * genrecog.c: Likewise.
2974 * gensupport.c: Likewise.
2975 * ggc-page.c: Likewise.
2976 * global.c: Likewise.
2977 * graph.c: Likewise.
2978 * ifcvt.c: Likewise.
2979 * integrate.c: Likewise.
2981 * libgcc2.c: Likewise.
2983 * mbchar.c: Likewise.
2984 * optabs.c: Likewise.
2985 * predict.c: Likewise.
2986 * prefix.c: Likewise.
2987 * profile.c: Likewise.
2988 * protoize.c: Likewise.
2990 * recog.c: Likewise.
2991 * regclass.c: Likewise.
2992 * regmove.c: Likewise.
2993 * reg-stack.c: Likewise.
2994 * reload1.c: Likewise.
2995 * resource.c: Likewise.
2996 * rtlanal.c: Likewise.
2999 2001-08-12 Kazu Hirata <kazu@hxi.com>
3001 * doc/tm.texi (ENCODE_SECTION_INFO): Add documentation on how
3002 a tree representing a constant is passed to the macro.
3004 2001-08-12 Richard Henderson <rth@redhat.com>
3006 * config/rs6000/rs6000.c (rs6000_elf_asm_out_constructor): New.
3007 (rs6000_elf_asm_out_destructor): New.
3008 * config/rs6000/sysv4.h (CTORS_SECTION_ASM_OP): Remove.
3009 (DTORS_SECTION_ASM_OP): Remove.
3010 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
3011 (ASM_OUTPUT_INT): Don't hack TARGET_RELOCATABLE for constructors.
3013 2001-08-12 David Edelsohn <edelsohn@gnu.org>
3016 2001-08-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3017 * gcc.c (set_collect_gcc_options): New function, split out from
3019 Ignore elided switches.
3020 (do_spec_1): Invoke before executing command.
3021 (set_input): Export.
3022 Move declaration ...
3023 * gcc.h (set_input): ... here.
3024 * config/alpha/osf.h (ASM_FINAL_SPEC): Use %U.s to refer to input
3027 2001-08-12 Richard Henderson <rth@redhat.com>
3029 * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Fix
3030 thinko wrt TARGET_RELOCATABLE.
3032 2001-08-12 Neil Booth <neil@daikokuya.demon.co.uk>
3034 * fix-header.c (cb_file_change): Update prototype.
3036 2001-08-11 Zack Weinberg <zackw@panix.com>
3038 * toplev.c (set_float_handler): Make static.
3039 * toplev.h: Don't prototype set_float_handler.
3041 * simplify-rtx.c: Don't include setjmp.h.
3042 (simplify_unary_real, simplify_binary_real, simplify_binary_is2orm1):
3044 (simplify_unary_operation, simplify_binary_operation): Use them,
3045 via do_float_handler.
3047 * fold-const.c: Don't include setjmp.h.
3048 (exact_real_inverse_1): New function.
3049 (exact_real_inverse): Use it, via do_float_handler.
3051 * varasm.c: Don't include setjmp.h.
3052 (assemble_real_1): New function.
3053 (assemble_real): Use it, via do_float_handler.
3054 Call internal_error if we get a trap here.
3056 * c-parse.in, cse.c, cselib.c, config/i386/i386.c,
3057 config/pj/pj.c, config/s390/s390.c: Don't include setjmp.h.
3059 2001-08-11 Zack Weinberg <zackw@panix.com>
3061 * defaults.h: Define PREFERRED_STACK_BOUNDARY to
3062 STACK_BOUNDARY if not already defined.
3064 * calls.c, function.c, reload1.c, explow.c: Don't default
3065 PREFERRED_STACK_BOUNDARY. Remove all #if/#ifdef on
3066 PREFERRRED_STACK_BOUNDARY and/or STACK_BOUNDARY.
3068 * explow.c (allocate_dynamic_stack_space): Change unsafe #if
3071 * doc/tm.texi: Document that STACK_BOUNDARY is required;
3072 clarify difference between it and PREFERRED_STACK_BOUNDARY.
3074 2001-08-11 Neil Booth <neil@daikokuya.demon.co.uk>
3076 * cppmacro.c (enter_macro_context): Push macro expansions even
3079 2001-08-11 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3081 * config/rs6000/rs6000.c: Include integrate.h to silence warning.
3082 (rs6000_elf_section_type_flags): Actually return a value.
3084 2001-08-11 Ulrich Weigand <uweigand@de.ibm.com>
3086 * s390.c, s390.h, s390.md, s390-protos.h, linux.h, t-linux:
3087 Clean up code: add missing comments and prototypes, fix warnings,
3088 remove obsolete code, fix spacing to conform to coding style.
3090 2001-08-11 Ulrich Weigand <uweigand@de.ibm.com>
3092 * config/s390/s390.c (targetm): Define TARGET_ASM_OPEN_PAREN
3093 and TARGET_ASM_CLOSE_PAREN.
3094 (regclass_map): CC register belongs to class NO_REGS.
3095 (legitimize_pic_address): Don't generate unnecessary moves
3096 (to avoid confusing loop optimization).
3097 (check_and_change_labels): Replace jump_long by indirect_jump.
3098 (s390_final_chunkify): Don't start a new literal pool on section
3099 switch in 64-bit code.
3100 (s390_va_start, s390_va_arg): Fixed incorrect sizes for 64-bit.
3102 * config/s390/s390.h (TARGET_SWITCHES): Renamed debug_arg to debug.
3103 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE): Set to 64 (for 64-bit).
3104 (HARD_REGNO_MODE_OK, RETURN_IN_MEMORY): Support complex integer
3106 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Remove CC_REGS.
3107 (EH_RETURN_HANDLER_RTX): Fixed incorrect offset for 64-bit.
3108 (CONST_COSTS): Fixed incorrect costs.
3110 * config/s390/s390.md (fixuns_trunc[sd]f[sd]i2, udivsi3, umodsi3):
3111 Use emit_jump instead of emit_jump_insn (gen_jump).
3112 (divsi3, modsi3): Clobber low word of divmoddisi3 before shifting
3113 (to avoid confusing flow analysis).
3114 (tablejump, tablejump1, tablejump2): Removed. Replaced by casesi.
3115 (casesi, casesi_jump): New.
3116 (jump_long): Removed. Functionality merged into indirect_jump.
3117 (indirect_jump): Accept address_operand, not just register_operand.
3118 (cjump_long, icjump_long): Use same logic as indirect_jump.
3119 (builtin_setjmp_setup, builtin_setjmp_receiver, builtin_longjmp):
3120 Fixed broken setjmp/longjmp handling.
3121 (do_builtin_setjmp_setup): Removed.
3123 * config/s390/linux.h (ASM_OUTPUT_DOUBLE_INT): Work around
3124 broken GNU as versions that don't accept .quad with large
3125 negative values. Use hexadecimal output instead.
3126 (ASM_OUTPUT_ADDR_DIFF_ELT): Adapt to new casesi insn.
3127 (ASM_OPEN_PAREN, ASM_CLOSE_PAREN, FUNCTION_PROLOGUE,
3128 FUNCTION_EPILOGUE): Removed. Now in targetm.
3130 * config/s390/linux64.h (CALL_USED_REGISTERS): Add CC register.
3132 * config/s390/fixdfdi.h: Add missing copyright statement.
3133 Fix type conflicts on 64-bit. Add missing SFmode routines.
3135 * s390.c, s390.h, s390.md, linux.h, linux64.h: Fixed incorrect
3138 2001-08-11 Richard Henderson <rth@redhat.com>
3140 * rtl.h (REG_EH_RETHROW): Remove.
3141 * rtl.c (reg_note_name): Update.
3142 * combine.c (distribute_notes): Don't check for it.
3144 2001-08-11 Richard Henderson <rth@redhat.com>
3146 * combine.c (distribute_notes): Place REG_SETJMP.
3148 2001-08-11 Richard Henderson <rth@redhat.com>
3150 * doc/extend.texi (Arrays and pointers implementation): Discourage
3151 relying on sign-extension of pointers.
3153 2001-08-11 H.J. Lu <hjl@gnu.org>
3155 * config/mips/linux.h (EXTRA_SECTIONS): Remove in_ctors and
3157 (EXTRA_SECTION_FUNCTIONS): Remove DTORS_SECTION_ASM_OP and
3158 RDATA_SECTION_ASM_OP.
3160 2001-08-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3162 * doc/install.texi (Specific, c4x): Fix cross-reference to the
3163 main manual to work both for info and HTML versions.
3165 2001-08-11 Neil Booth <neil@daikokuya.demon.co.uk>
3166 Matt Kraai <kraai@alumni.carnegiemellon.edu>
3168 * cpphash.c (_cpp_destroy_hashtable): Use ht_destroy.
3169 * cpphash.h (CPP_IN_SYSTEM_HEADER): Fix.
3170 (struct cpp_pool): New member first.
3171 * cppinit.c (append_include_chain): Plug memory leaks.
3172 * cpplib.c (cpp_register_pragma, cpp_register_pragma_space):
3173 Allocate pragma structures from the (aligned) macro pool to
3174 avoid leaking memory.
3175 * cpplex.c (_cpp_init_pool, _cpp_free_pool): Use pool->first
3176 so we don't leak memory.
3177 * hashtable.c (ht_destroy): New.
3178 * hashtable.h (ht_destroy): New.
3180 2001-08-11 Neil Booth <neil@daikokuya.demon.co.uk>
3181 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3183 * c-lex.c (map): Make const.
3184 (cb_file_change): Update for callback passing a line map.
3185 Don't assume we have a previous map. Remove sanity check
3186 about popping too many files.
3187 * cpperror.c (print_location): Make map const.
3188 * cppfiles.c (stack_include_file): Update; line maps now hold sysp.
3189 (cpp_make_system_header): Similarly.
3190 (search_from): Similarly.
3191 (_cpp_execute_include): Don't remember where we came from.
3192 * cpphash.h (struct cpp_buffer): Remove return_to_line, sysp.
3193 (struct cpp_reader): Make map const.
3194 (CPP_IN_SYSTEM_HEADER, _cpp_do_file_change): Update.
3195 * cpplib.c (do_line): Update; line maps now hold sysp.
3196 (cpp_push_buffer): Similarly.
3197 (_cpp_do_file_change): Similarly; callback with map instead.
3198 (cpp_get_line_maps): Constify return value.
3199 (_cpp_pop_buffer): Update.
3200 * cpplib.h (struct cpp_file_change): Remove.
3201 (struct cpp_callbacks): Update.
3202 (cpp_get_line_maps): Constify return value.
3203 * cppmacro.c (_cpp_create_definition): Update.
3204 * cppmain.c (struct printer): Constify map.
3205 (maybe_print_line): Similarly.
3206 (print_line): Similarly. Deduce flags 1 and 2 here.
3207 (cb_file_change): Update.
3208 * line-map.c (free_line_maps): Warn regardless.
3209 (add_line_map): Return pointer to const. When passed NULL to_file
3210 with LC_LEAVE, use the obvious values for the return point so the
3211 caller doesn't have to figure them out.
3212 (lookup_line): Return pointer to const.
3213 (print_containing_files): Take pointer to const.
3214 * line-map.h (struct line_map): New members reason, sysp.
3215 (add_line_map): Return pointer to const.
3216 (lookup_line): Similarly.
3217 (print_containing_files): Take pointer to const.
3219 2001-08-10 Roman Zippel <zippel@linux-m68k.org>
3220 Richard Henderson <rth@redhat.com>
3222 * regmove.c (regmove_optimize): Avoid setting a register twice in
3225 2001-08-10 Richard Henderson <rth@redhat.com>
3227 * doc/extend.texi (Arrays and pointers implementation): Document
3228 behavior of pointer/integer conversion.
3230 2001-08-10 Ulrich Weigand <uweigand@de.ibm.com>
3232 * glimits.h (__LONG_MAX__): Add s390x as 64-bit architecture.
3234 2001-08-10 Richard Henderson <rth@redhat.com>
3236 * doc/extend.texi (C Implementation): New chapter.
3237 * doc/gcc.texi (Top): Link it in.
3239 2001-08-10 Andrew Cagney <ac131313@redhat.com>
3241 * doc/install.texi (Specific): Fix CVS merge botch.
3243 2001-08-10 Richard Henderson <rth@redhat.com>
3245 * config/m68k/m68k.c (m68k_svr3_asm_out_constructor): Protect with
3246 ifdef CTOR_LIST_BEGIN instead of INIT_SECTION_ASM_OP.
3248 2001-08-10 Zack Weinberg <zackw@stanford.edu>
3250 * calls.c, function.c: Always define PREFERRED_STACK_BOUNDARY
3251 if not already defined. Remove all #ifdefs on STACK_BOUNDARY;
3252 this macro is now required.
3254 * cselib.c (cselib_process_insn), flow.c (propagate_block),
3255 loop.c (find_and_verify_loops), reload.c (reload): Check
3256 for rtx code of CALL_INSN, not CALL, when deciding if we
3257 need to check for REG_SETJMP note.
3259 * gcse.c (compute_hash_table, compute_store_table): Update
3260 the #ifdef NON_SAVING_SETJMP code to the new REG_SETJMP
3263 * config/avr/avr.c: Fix typo.
3264 * config/convex/convex.c (expand_movstr): Use adjust_address.
3265 * config/dsp16xx/dsp16xx.c: Define dsp16xx_compare_gen
3267 * config/dsp16xx/dsp16xx.md: Correct calls to replace_equiv_address.
3268 * config/elxsi/elxsi.c: Include tree.h, expr.h, regs.h, and flags.h.
3270 * config/elxsi/elxsi.h: Don't define Rmode (typo for Pmode?)
3271 Do define STACK_BOUNDARY.
3272 * config/i370/i370.c: Include expr.h.
3273 * config/i860/sysv3.h, config/i860/sysv4.h, config/m32r/m32r.h,
3274 config/pa/som.h, config/v850/v850.h: Take in_ctors and
3275 in_dtors out of EXTRA_SECTIONS; take CTORS_SECTION_FUNCTION
3276 and DTORS_SECTION_FUNCTION out of EXTRA_SECTION_FUNCTIONS.
3277 * config/m88k/m88k.c: Include c-tree.h after expr.h.
3278 * config/pdp11/pdp11.c: Include expr.h and toplev.h.
3279 * config/romp/romp.c: Include expr.h after tree.h.
3281 (output_fpop): Use xmalloc, not oballoc.
3282 * config/we32k/we32k.c: Include expr.h.
3284 2001-08-10 Kazu Hirata <kazu@hxi.com>
3286 * config/h8300/h8300.h: Fix formatting.
3288 2001-08-08 Jason Merrill <jason_merrill@redhat.com>
3290 * c-common.h (RETURN_NULLIFIED_P): Lose.
3291 * c-semantics.c (genrtl_return_stmt): Don't check it.
3293 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
3295 * config/mips/mips.c (mips_add_large_offset_to_sp): New function.
3296 (mips_annotate_frame_insn): New function.
3297 (mips_emit_frame_related_store): New function.
3298 (save_restore_insns): Don't mark instructions that set up the base
3299 registers as frame-related. Add REG_FRAME_RELATED_EXPR notes to
3300 the store instructions instead.
3301 (mips_expand_prologue): If the stack size is moved into a temporary
3302 register, do not mark that move as frame-related. Add a
3303 REG_FRAME_RELATED_EXPR note to the stack adjustment instruction.
3305 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
3307 * config/mips/mips.c (save_restore_insns): Don't mark the RA's
3308 stack slot as unchanging if current_function_calls_eh_return.
3310 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
3312 * config/mips/mips.md (reload_incc): Use HARD_REGNO_NREGS to
3313 access the second half of the TFmode scratch operand.
3315 2001-08-10 Anthony Green <green@redhat.com>
3317 * java/class.c (emit_register_classes): Conditionalize code on
3320 2001-08-10 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3322 * doc/install.texi (Specific, avr): Fix cross-reference to the
3323 main manual to work both for info and HTML versions.
3325 2001-08-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
3327 * stmt.c (expand_null_return_1): Remove code to generate simple returns
3328 and "use_goto" argument.
3329 (expand_null_return, expand_value_return): Update all callers.
3330 * function.c (expand_function_end): Remove code to generate simple
3332 * config/vax/vax.md (epilogue): New expander for function return.
3333 * doc/md.texi (epilogue): Remove "if defined".
3335 2001-08-09 Zack Weinberg <zackw@stanford.edu>
3337 * Makefile.in: Partially revert my previous change:
3338 put -DGENERATOR_FILE back in HOST_CFLAGS, take it out
3339 of the hashtab.o and safe-ctype.o rules.
3341 2001-08-09 Richard Henderson <rth@redhat.com>
3343 * Makefile.in (MAYBE_USE_COLLECT2): Remove; purge all uses.
3344 (USE_COLLECT2): Remove duplicate definition.
3345 * config.gcc (a29k-udi, a29k-wrs-vxworks) [tm_file]: Remove a29k/udi.h.
3346 (use_collect2): Remove dead code.
3347 * configure.in (use_collect2): Remove will_use_collect2 and
3348 maybe_use_collect2; add USE_COLLECT2 to host_xm_defines and xm_defines.
3349 * configure: Rebuild.
3351 * target.h (targetm.asm_out.constructor): New.
3352 (targetm.asm_out.destructor, targetm.have_ctors_dtors): New.
3353 * target-def.h (TARGET_ASM_CONSTRUCTOR): New.
3354 (TARGET_ASM_DESTRUCTOR, TARGET_HAVE_CTORS_DTORS): New.
3355 * varasm.c (in_ctors, in_dtors): New.
3356 (assemble_constructor, assemble_destructor): Remove.
3357 (default_stabs_asm_out_destructor): New.
3358 (default_named_section_asm_out_destructor): New.
3359 (dtors_section, default_dtor_section_asm_out_destructor): New.
3360 (default_stabs_asm_out_constructor): New.
3361 (default_named_section_asm_out_constructor): New.
3362 (ctors_section, default_ctor_section_asm_out_constructor): New.
3363 * output.h: Update declarations.
3364 * c-decl.c (c_expand_body): Use target hooks instead of
3365 assemble_constructor and assemble_destructor.
3366 * profile.c (output_func_start_profiler): Likewise.
3367 * objc/objc-act.c (finish_objc): Likewise.
3368 (build_module_descriptor): Tidy. Set TREE_PUBLIC properly
3369 for the constructor.
3370 * objc/Make-lang.in (objc-act.o): Depend on TARGET_H.
3372 * crtstuff.c (CTORS_SECTION_ASM_OP): Don't define.
3373 (DTORS_SECTION_ASM_OP): Likewise.
3374 (__CTOR_LIST__): Use attribute section when possible.
3375 (__DTOR_LIST__, __CTOR_END__, __DTOR_END__): Likewise.
3377 * defaults.h (EH_FRAME_SECTION_NAME): Don't depend on
3378 ASM_OUTPUT_CONSTRUCTOR.
3380 * config/darwin.c (machopic_asm_out_constructor): New.
3381 (machopic_asm_out_destructor): New.
3382 * config/darwin-protos.h: Update declarations.
3383 * config/darwin.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
3384 (ASM_OUTPUT_DESTRUCTOR): Remove.
3385 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
3386 * config/nextstep.c (nextstep_asm_out_constructor): New.
3387 (nextstep_asm_out_destructor): New.
3388 * config/nextstep.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
3389 (ASM_OUTPUT_DESTRUCTOR): Remove.
3390 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
3391 * config/nextstep21.h: Undef TARGET_ASM_*STRUCTOR instead of
3392 ASM_OUTPUT_*STRUCTOR.
3393 * config/i386/aix386ng.h: Likewise.
3395 * config/elfos.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Remove.
3396 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): No ctors/dtors.
3397 (CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Remove.
3398 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
3399 * config/lynx.h: Likewise.
3400 * config/netware.h: Likewise.
3401 * config/psos.h: Likewise.
3402 * config/alpha/alpha-interix.h: Likewise.
3403 * config/alpha/elf.h: Likewise.
3404 * config/arc/arc.h: Likewise.
3405 * config/arm/aof.h: Likewise.
3406 * config/arm/coff.h: Likewise.
3407 * config/arm/elf.h: Likewise.
3408 * config/c4x/c4x.h: Likewise.
3409 * config/h8300/h8300.h: Likewise.
3410 * config/i386/cygwin.h: Likewise.
3411 * config/i386/djgpp.h: Likewise.
3412 * config/i386/i386-coff.h: Likewise.
3413 * config/i386/i386-interix.h: Likewise.
3414 * config/i386/sco5.h: Likewise.
3415 * config/i386/vsta.h: Likewise.
3416 * config/i386/win32.h: Likewise.
3417 * config/i960/i960-coff.h: Likewise.
3418 * config/ia64/sysv4.h: Likewise.
3419 * config/m68hc11/m68hc11.h: Likewise.
3420 * config/m68k/coff.h: Likewise.
3421 * config/m68k/mot3300.h: Likewise.
3422 * config/m88k/m88k.h: Likewise.
3423 * config/mcore/mcore-pe.h: Likewise.
3424 * config/mcore/mcore.h: Likewise.
3425 * config/mips/elf.h: Likewise.
3426 * config/mips/elf64.h: Likewise.
3427 * config/mips/iris6.h: Likewise.
3428 * config/pa/pa64-hpux.h: Likewise.
3429 * config/rs6000/sysv4.h: Likewise.
3430 * config/sh/sh.h: Likewise.
3431 * config/sparc/litecoff.h: Likewise.
3433 * config/svr3.h (CTORS_SECTION_ASM_OP): Remove.
3434 (CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Remove.
3435 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
3436 * config/1750a/1750a.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
3437 (ASM_OUTPUT_DESTRUCTOR): Remove.
3438 * config/a29k/a29k.c: Move include of tree.h.
3439 * config/a29k/udi.h: Delete file.
3440 * config/alpha/alpha.c (vms_asm_out_constructor): New.
3441 (vms_asm_out_destructor): New.
3442 * config/alpha/vms.h (EXTRA_SECTIONS): No ctors/dtors.
3443 (EXTRA_SECTION_FUNCTIONS): Likewise.
3444 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
3445 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
3446 * config/c4x/c4x.c: Move include of tree.h.
3447 * config/clipper/clipper.c (clix_asm_out_constructor): New.
3448 (clix_asm_out_destructor): New.
3449 * config/clipper/clix.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
3450 (ASM_OUTPUT_DESTRUCTOR): Remove.
3451 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
3452 * config/i386/aix386.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
3453 (TARGET_ASM_CONSTRUCTOR): New.
3454 * config/i386/i386.c (ix86_svr3_asm_out_constructor): New.
3455 (sco_asm_out_constructor): New.
3456 * config/i386/sco5.h (TARGET_ASM_CONSTRUCTOR): New.
3457 * config/i386/svr3gas.h: Remove stack grows up code.
3458 Remove code duplicated from i386/sysv3.h.
3459 (TARGET_ASM_CONSTRUCTOR): New.
3460 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
3461 (DTORS_SECTION_FUNCTION, CTORS_SECTION_FUNCTION): Remove.
3462 * config/i386/sysv3.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
3463 (TARGET_ASM_CONSTRUCTOR): New.
3464 * config/m68hc11/m68hc11.c (m68hc11_asm_out_constructor): New.
3465 (m68hc11_asm_out_destructor): New.
3466 * config/m68hc11/m68hc11.h (TARGET_ASM_CONSTRUCTOR): New.
3467 (TARGET_ASM_DESTRUCTOR): New.
3468 * config/m68k/auxgas.h: Don't undef ASM_OUTPUT_*STRUCTOR.
3469 * config/m68k/dpx2.h: Properly undef all the bits inherited from
3470 config/svr3.h pertaining to section manipulation.
3471 * config/m68k/dpx2g.h: Remove #if 0 code.
3472 * config/m68k/m68k.c (m68k_svr3_asm_out_constructor): New.
3473 * config/m68k/tower-as.h (ASM_OUTPUT_SOURCE_LINE): Fix typo.
3474 (ASM_OUTPUT_CONSTRUCTOR): Remove.
3475 (TARGET_ASM_CONSTRUCTOR): New.
3476 * config/m88k/m88k.c (m88k_layout_frame): Don't use assign_stack_local.
3477 (m88k_svr3_asm_out_constructor): New.
3478 (m88k_svr3_asm_out_destructor): New.
3479 * config/m88k/sysv3.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
3480 (ASM_OUTPUT_DESTRUCTOR): Remove.
3481 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
3482 * config/mips/mips.h: Remove #if 0 ASM_OUTPUT_*STRUCTOR code.
3483 * config/rs6000/aix.h: Likewise.
3484 * config/mips/rtems64.h: Don't undef removed constructor related bits.
3485 * config/mips/vxworks.h: Likewise.
3486 * config/rs6000/lynx.h: Likewise.
3487 * config/sh/elf.h: Likewise.
3488 * config/rs6000/sysv4.h (CTORS_SECTION_ASM_OP): New.
3489 (DTORS_SECTION_ASM_OP): New.
3490 * config/sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
3491 (ASM_OUTPUT_DESTRUCTOR): Remove.
3492 * config/sparc/sol2-sld-64.h: Likewise.
3493 * config/vax/vax.c (vms_asm_out_constructor): New.
3494 (vms_asm_out_destructor): New.
3495 * config/vax/vms.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
3496 (ASM_OUTPUT_DESTRUCTOR): Remove.
3497 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
3499 * doc/tm.texi (@node Initialization): Update.
3501 2001-08-09 Richard Henderson <rth@redhat.com>
3503 * config/alpha/crtbegin.asm (__JCR_LIST__): New.
3504 (__do_global_dtors_aux): Use gp-relative static data to avoid
3505 one dynamic relocation.
3506 (__do_frame_setup): Register Java classes.
3507 * config/alpha/crtend.asm (__JCR_END__): New.
3509 2001-08-09 Zack Weinberg <zackw@stanford.edu>
3511 * Makefile.in (HOST_CFLAGS): Take out -DGENERATOR_FILE.
3512 (CONFIG_H, TCONFIG_H, TM_P_H): Update.
3513 (GEN, STAGESTUFF): Add new files.
3514 (insn-constants.h, s-constants, tm-preds.h, s-preds,
3515 genconstants, genpreds, genconstants.o, genpreds.o): New rules.
3516 (hashtab.o, safe-ctype.o): Add -DGENERATOR_FILE.
3517 * mkconfig.sh: Include tm-preds.h in tm_p.h; insn-constants.h
3518 as well as insn-codes.h and insn-flags.h in config.h; and no
3519 extra headers in tconfig.h and hconfig.h.
3521 * gencodes.c: Eliminate code to generate predicate declarations
3522 or #defines for md-file constants.
3523 * genconstants.c, genpreds.c: New files.
3525 * i386.md: Re-order guard expressions such that TARGET_64BIT
3526 comes first, when this permits better optimization. Add
3527 TARGET_64BIT to more x86-64 patterns. Add comment explaining
3528 why this is desirable.
3530 2001-08-09 Jakub Jelinek <jakub@redhat.com>
3532 * config/ia64/fde-glibc.c: Require glibc 2.2.4+ headers.
3533 (find_fde_for_dso): Remove.
3534 (_Unwind_IteratePhdrCallback): New.
3535 (_Unwind_FindTableEntry): Use dl_iterate_phdr.
3536 * config/ia64/crtbegin.asm (__ia64_app_header): Remove.
3538 Thu Aug 9 11:30:20 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3540 * expr.c (emit_single_push_insn): Only exists ifdef PUSH_ROUNDING.
3541 (move_by_pieces_1): If would call it, abort if no PUSH_ROUNDING.
3543 2001-08-09 Graham Stott <grahams@redhat.com>
3545 * sched-vis.c (MAX_VISUAL_NO_UNIT): Define.
3546 (vis_no_unit): Use it.
3547 (visualize_no_unit): Add the insn only if room exists.
3549 2001-08-09 Graham Stott <grahams@redhat.com>
3551 * predict.c (estimate_probability): Replace magic numbers with
3552 appropriate enumeration.
3554 2001-08-09 Graham Stott <grahams@redhat.com>
3556 * cppexp.c (EXTRACT_PRIO): Uppercase and parenthsize macro
3558 (EXTRACT_FLAGS): Likewise.
3560 2001-08-09 Aldy Hernandez <aldyh@redhat.com>
3562 * config/mips/mips.c (mips_legitimate_address_p): Check for
3563 CONST_INT in last patch.
3565 2001-08-08 Anthony Green <green@redhat.com>
3567 * java/class.c (emit_register_classes): Use assemble_jcr if
3568 possible. Keep the original mechanism as a fallback.
3569 * defaults.h (JCR_SECTION_NAME): Define if we have named section
3570 and weak symbol support.
3571 * crtstuff.c (__JCR_LIST__): Define.
3572 (__JCR_END__): Define.
3573 (_Jv_RegiserClasses): Define weak symbol if possible.
3574 (__do_global_ctors_aux): Register classes for ELF targets with
3575 weak symbol support.
3577 2001-08-08 Kazu Hirata <kazu@hxi.com>
3579 * dbxout.c: Fix comment formatting.
3580 * dependence.c: Likewise.
3582 * diagnostic.c: Likewise.
3583 * dominance.c: Likewise.
3584 * doprint.c: Likewise.
3585 * dwarf2out.c: Likewise.
3586 * dwarfout.c: Likewise.
3587 * emit-rtl.c: Likewise.
3588 * except.c: Likewise.
3589 * explow.c: Likewise.
3590 * expmed.c: Likewise.
3593 * fold-const.c: Likewise.
3594 * function.c: Likewise.
3596 2001-08-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3598 * global.c (retry_global_alloc): Avoid shadowing allocno.
3600 2001-08-08 Mark Mitchell <mark@codesourcery.com>
3602 * except.c (remove_fixup_regions): Fix typo.
3604 2001-08-08 Jan van Male <jan.vanmale@fenk.wau.nl>
3606 * emit-rtl.c (adjust_address, adjust_address_nv): Cast offset to
3607 unsigned HOST_WIDE_INT to avoid warning.
3608 * final.c (final): Cast INSN_UID to unsigned to avoid warning.
3609 * flow.c (set_block_for_new_insns): Likewise.
3611 Wed Aug 8 21:08:14 CEST 2001 Jan Hubicka <jh@suse.cz>
3613 * sibcall.c (return_value_pseudo): New static variable.
3614 (skip_copy_to_return_value): Handle return_value_pseudo.
3615 (call_ends_block_p): Ensure that return_value_pseudo is set.
3616 (optimize_sibling_and_tail_recursive_call): Discover the
3617 load of pseudo return value in alternate exit block.
3619 Wed Aug 8 21:06:43 CEST 2001 Jan Hubicka <jh@suse.cz>
3621 * calls.c (ECF_ALWAYS_RETURN): New constant.
3622 (emit_call_1): Add REG_ALWAYS_RETURN note if needed.
3623 (expand_call): Use LCF_ALWAYS_RETURN for __bb_fork_func.
3624 (emit_library_call_value_1): Handle LCT_ALWAYS_RETRUN.
3625 * flow.c (need_fake_edge_p): Handle REG_ALWAYS_RETURN.
3626 * rtl.c (reg_note_name): New name.
3627 * rtl.h (enum reg_note): Add REG_ALWAYS_RETURN.
3629 2001-08-07 Aldy Hernandez <aldyh@redhat.com>
3631 * config/mips/mips.c (mips_legitimate_address_p): Limit "la" addresses.
3633 2001-08-08 Jason Merrill <jason_merrill@redhat.com>
3635 * alias.c (get_alias_set): Return a previously calculated
3636 alias set for a VAR_DECL.
3637 * function.c (gen_mem_addressof): Calculate the alias set before
3640 Wed Aug 8 18:44:37 CEST 2001 Jan Hubicka <jh@suse.cz>
3642 * predict.def: Set hitrates according our experimental run.
3644 Wed Aug 8 18:01:58 CEST 2001 Jan Hubicka <jh@suse.cz>
3646 * i386.h (HARD_REGNO_RENAME_OK): New macro.
3648 2001-08-08 H.J. Lu <hjl@gnu.org>
3650 * config/mips/mips.c (mips_unique_section): New. Copied from
3653 * config/mips/mips-protos.h (mips_unique_section): New
3656 * config/mips/elf.h (UNIQUE_SECTION): Use mips_unique_section.
3658 * config/mips/little.h: New. Generic little endian mips
3659 targets. Only mips*-*-linux* is converted to use it so far.
3661 * config/mips/linux.h: Include "gofast.h" and "mips/mips.h".
3662 (WCHAR_TYPE): Defined
3663 (WCHAR_TYPE_SIZE): Likewise.
3664 (INIT_SUBTARGET_OPTABS): Likewise.
3665 (BSS_SECTION_ASM_OP): Likewise.
3666 (SBSS_SECTION_ASM_OP): Likewise.
3667 (ASM_OUTPUT_ALIGNED_BSS): Likewise.
3668 (ASM_DECLARE_OBJECT_NAME): Likewise.
3669 (UNIQUE_SECTION): Likewise.
3670 (EXTRA_SECTIONS): Likewise.
3671 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
3672 (ASM_OUTPUT_DESTRUCTOR): Likewise.
3673 (ASM_OUTPUT_DEF): Likewise.
3674 (HANDLE_SYSV_PRAGMA): Removed.
3675 (NO_IMPLICIT_EXTERN_C): Likewise.
3676 (TARGET_MEM_FUNCTIONS): Likewise.
3677 (STARTFILE_SPEC): Likewise.
3678 (ENDFILE_SPEC): Likewise.
3679 (LIB_SPEC): Likewise.
3680 (INVOKE__main): Likewise.
3681 (CTOR_LIST_BEGIN): Likewise.
3682 (CTOR_LIST_END): Likewise.
3683 (DTOR_LIST_BEGIN): Likewise.
3684 (DTOR_LIST_END): Likewise.
3685 (SET_ASM_OP): Likewise.
3686 (ASM_OUTPUT_SOURCE_LINE): Likewise.
3687 (ASM_OUTPUT_DEF): Likewise.
3688 (ASM_OUTPUT_IDENT): Likewise.
3690 * config/mips/mips.h (ASM_SPEC): Undefine before define.
3691 (CPLUSPLUS_CPP_SPEC): Likewise.
3692 (ASM_APP_ON) Redefine only if not defined.
3693 (ASM_APP_OFF): Likewise.
3694 (ASM_OUTPUT_SOURCE_LINE): Likewise.
3695 (ASM_OUTPUT_IDENT): Likewise.
3697 * config.gcc: Update tm_file for Linux/mips.
3699 2001-08-08 Bernd Schmidt <bernds@redhat.com>
3701 * cselib.c (cselib_record_sets): If insn is predicated, turn
3702 sources into IF_THEN_ELSEs.
3704 * config/ia64/ia64.md (cond_opsi2_internal, cond_opsi2_internal_b):
3705 Turn into define_insn_and_split.
3707 * sched-deps.c: Include "cselib.h".
3708 (add_insn_mem_dependence, sched_analyze_1, sched_analyze_2):
3709 Use cselib to turn memory addresses into VALUEs.
3710 (sched_analyze): Call cselib_init/cselib_finish if necessary.
3711 * sched-int.h (struct sched_info): New member USE_CSELIB.
3712 * sched-ebb.c (ebb_sched_info): Initialize it.
3713 * sched-rgn.c (rgn_sched_info): Likewise.
3714 * Makefile.in (sched-deps.o): Update dependencies.
3716 * cselib.h (cselib_subst_to_values): Declare.
3717 * cselib.c (cselib_subst_to_values): No longer static. Allow MEMs
3718 that have no value and autoincs to be handled by generating a new
3721 2001-08-08 Graham Stott <grahams@redhat.com>
3723 * final.c (shorten_branches): Update the INSN_ADDRESSES of insns
3724 within fixed length SEQUENCE.
3726 2001-08-08 Graham Stott <grahams@redhat.com>
3728 * diagnostic.h (diagnostic_format_decoder): Parenthesize macro parameter.
3729 (diagnostic_prefixing_rule): Likewise.
3730 (diagnostic_line_cutoff): Likewise.
3731 (diagnostic_kind_count): Likewise.
3733 2001-08-08 Graham Stott <grahams@redhat.com>
3735 * alias.c (find_base_decl): Delete redundent assignment.
3737 2001-08-08 Graham Stott <grahams@redhat.com>
3739 * dependence.c (INDEX_LIMIT_CHECK): Uppercase macro parameter.
3740 (abs): Uppercase and paranthesize macro parameter.
3741 (MEM_DEPENDENCY): Add whitespace.
3743 2001-08-08 Graham Stott <grahams@redhat.com>
3745 * config/mips/mips.c (mips_legitimate_address_p): Fix enable checking
3746 failure check for CONST_INT
3748 2001-08-08 Graham Stott <grahams@redhat.com>
3750 * flow.c (back_edge_of_syntactic_loop_p): Add whitespace.
3751 (libcall_dead_p): Likewise.
3753 (mark_used_regs): Constify fmt.
3754 (find_use_as_address): Likewise.
3756 2001-08-08 Graham Stott <grahams@redhat.com>
3758 * c-typeck.c (RESTORE_SPELLING_DEPTH): Uppercase and parenthesize macro
3761 2001-08-08 Graham Stott <grahams@redhat.com>
3763 * combine.c (combine_simplify_rtx): Update comment and
3764 remove erroneous test.
3766 2001-08-07 Neil Booth <neil@daikokuya.demon.co.uk>
3768 * cppinit.c (cpp_finish): Pop the final buffer without comment.
3769 * cpplex.c (_cpp_lex_token): Don't pop the final buffer; and
3770 take care to avoid multiple no-newline at EOF warnings in that
3773 Tue Aug 7 22:18:06 CEST 2001 Jan Hubicka <jh@suse.cz>
3775 * calls.c (expand_call): Do not emit INSN_SETJMP note.
3776 (emit_library_call_value_1): Likewise.
3777 (emit_call_1): Emit REG_SETJMP note.
3778 * cse.c (cse_end_of_basic_block): Use REG_SETJMP instead
3780 * cselib.c (cselib_process_insn): Likewise.
3781 * flow.c (propagate_block): Likewise.
3782 * loop.c (find_and_verify_loops): Likewise.
3783 * reload.c (find_equiv_regs): Likewise.
3784 * reload1.c (reload): Likewise.
3785 * resource.c (mark_referenced_resources,
3786 mark_set_resources): Likewise.
3787 * sched-deps (sched_analyze_insn, sched_analyze): Likewise.
3788 * final.c (final_scan_insn): Remove NOTE_INSN_SETJMP.
3789 * haifa-sched.c (unlink_other_notes): Likewise.
3790 (reemit_notes): Likewise.
3791 * sched-ebb.c (sched_ebb): Likewise.
3792 * sched-rgc.c (sched_region): Likewise.
3793 * rtl.c (note_insn_name): Likewise.
3794 (reg_note_name): Add REG_SETJMP
3795 * rtl.h (reg_note): Add REG_SETJMP.
3796 (insn_note): Remove NOTE_INSN_SETJMP.
3798 * profile.c (branch_prob): Add fake edges for setjmp.
3800 2001-08-07 Daniel Jacobowitz <drow@mvista.com>
3802 * config.gcc: Quote target_cpu_default2 correctly for
3803 powerpc*-*-* targets.
3805 2001-08-07 Neil Booth <neil@daikokuya.demon.co.uk>
3807 * cpplib.h, line-map.h: Update comments.
3808 * cppmain.c (printer_init): Move inline.
3809 (maybe_print_line, print_line): Take a map pointer.
3810 (cb_ident, cb_define, cb_undef, cb_include, cb_def_pragma): Update.
3811 (cb_file_change): Don't use prior value of print.map.
3813 2001-08-07 David Edelsohn <edelsohn@gnu.org>
3815 * doc/install.texi: Document fine-grained multilib configuration.
3817 Tue Aug 7 16:52:54 CEST 2001 Jan Hubicka <jh@suse.cz>
3819 * rtlanal.c (find_first_parameter_load): Call note_stores
3820 only on the instructions.
3822 Tue Aug 7 14:56:16 CEST 2001 Jan Hubicka <jh@suse.cz>
3824 * alias.c (nonlocal_mentioned_p):
3825 Rename CONST_CALL_P to CONST_OR_PURE_CALL_P
3826 * calls.c (emit_call_1): Likewise.
3827 * cse.c (cse_insn, invalidate_skipped_block): Likewise.
3828 * cselib.c (cselib_process_insn): Likewise.
3829 * df.c (df_insns_modify): Likewise.
3830 * flow.c (need_fake_edge_p): Likewise.
3831 (propagate_one_insn): Likewise.
3832 * haifa-sched.c (reemit_notes): Likewise.
3833 * integrate.c (copy_insn_list): Likewise.
3834 * jump.c (delete_prior_computation): Likewise.
3835 * local-alloc.c (validate_equiv_mem): Likewise.
3836 * loop.c (scan_loop): Likewise.
3837 * predict.c (estimate_probability): Likewise.
3838 * reload.c (reload): Likewise.
3839 * sched-deps (sched_analyze): Likewise.
3840 * rtl.h (CONST_CALL_P): rename to CONST_OR_PURE_CALL_P.
3841 * gcse.c (compute_hash_table): Likewise.
3842 (mark_call): Likewise.
3843 (store_killed_in_insn): Likewise.
3845 2001-08-07 Jason Merrill <jason_merrill@redhat.com>
3847 * c-semantics.c (make_rtl_for_local_static): Use DECL_RTL_SET_P.
3849 2001-08-06 Richard Henderson <rth@redhat.com>
3851 * varasm.c (assemble_gc_entry): Remove.
3852 * output.h: Likewise.
3854 2001-08-06 Richard Henderson <rth@redhat.com>
3856 * varasm.c (assemble_constructor): Take a symbol_ref and a
3857 priority instead of a bare string. Move priority handling
3858 here from cp/decl2.c.
3859 * output.h: Update decls.
3861 * c-decl.c (c_expand_body): Update calls to assemble_constructor
3862 and assemble_destructor.
3863 * profile.c (output_func_start_profiler): Likewise.
3864 * objc/objc-act.c (finish_objc): Likewise.
3865 (build_module_descriptor): Return the symbol not the symbol name.
3867 2001-08-06 David Edelsohn <edelsohn@gnu.org>
3869 * config/rs6000/darwin.h (DOUBLE_INT_ASM_OP): Add whitespace.
3870 * config/rs6000/linux64.h (RS6000_MCOUNT): Define.
3871 ({SAVE,RESTORE}_FP_{PREFFIX,SUFFIX}): Define.
3872 * config/rs6000/rs6000.h (ASM_OUTPUT_DOUBLE_INT): Remove whitespace.
3873 * config/rs6000/sysv4.h (DOUBLE_INT_ASM_OP): Add whitespace.
3874 * config/rs6000/xcoff.h (DOUBLE_INT_ASM_OP): Add whitespace.
3876 2001-08-06 Neil Booth <neil@daikokuya.demon.co.uk>
3878 * cpperror.c (print_containing_files): Moved to line-map.c.
3879 (print_location): line-map.c handles re-listing or otherwise.
3880 * cpphash.h (struct lexer_state): Remove next_bol.
3881 (struct cpp_buffer): Remove include_stack_listed.
3882 * cpplib.c (do_line, cpp_push_buffer, _cpp_pop_buffer):
3883 Remove faked buffer handling.
3884 (_cpp_do_file_change): Tweak.
3885 * cpplib.h (enum cpp_buffer_type): Remove BUF_FAKE.
3886 * cppmain.c (struct printer): Remove filename.
3887 (print_line, cb_file_change): Update accordingly.
3888 * line-map.c: Include intl.h.
3889 (init_line_maps): Initialize last_listed.
3890 (free_line_maps): Sanity check, warn if ENABLED_CHECKING.
3891 (add_line_map): Sanity check inputs, warn if ENABLED_CHECKING.
3892 (print_containing_files): New.
3893 * line-map.h (struct line_maps): New member last_listed.
3894 (print_containing_files, INCLUDED_FROM): New.
3895 * Makefile.in: Update.
3896 * po/POTFILES.in: Add line-map.c.
3898 2001-08-06 Richard Henderson <rth@redhat.com>
3900 * except.c (convert_from_eh_region_ranges_1): Never mark
3901 USE or CLOBBER insns as throwing.
3903 * expr.c (store_constructor): Don't clobber memory targets.
3905 2001-08-06 Andreas Jaeger <aj@suse.de>
3907 * profile.c (branch_prob): Remove unused variable insn.
3909 * Makefile.in (local-alloc.o): Add dependency on except.h.
3911 * local-alloc.c: Include except.h for can_throw_internal prototype.
3913 2001-08-06 Richard Henderson <rth@redhat.com>
3915 * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
3916 * function.c (expand_main_function): Implement it.
3917 * doc/tm.texi: Document it.
3919 2001-08-06 Stan Shebs <shebs@apple.com>
3921 * doc/install.texi: Document powerpc-*-darwin* details.
3923 2001-08-06 Daniel Berlin <dan@cgsoftware.com>
3925 * config/rs6000/aix.h (CPP_CPU_SPEC): Move back to rs6000.h
3926 (ASM_CPU_SPEC): Move back to rs6000.h
3927 #undef CPP_DEFAULT_SPEC and ASM_DEFAULT_SPEC before redefining them.
3929 * config/rs6000/darwin.h (DOUBLE_INT_ASM_OP): New macro.
3931 * config/rs6000/linux.h: Remove vtable thunks stuff we accidently
3934 * config/rs6000/linux64.h: Ditto.
3936 * config/rs6000/rs6000.h: Move CPP_CPU_SPEC and ASM_CPU_SPEC back
3937 to here. Define default ASM_DEFAULT_SPEC and CPP_DEFAULT SPEC to
3940 Remove accidently readded definitions of FUNCTION_PROLOGUE,
3941 FUNCTION_EPILOGUE, ASM_OPEN_PAREN, ASM_CLOSE_PAREN
3943 * config/rs6000/sysv4.h: Move CPP_CPU_SPEC and ASM_CPU_SPEC back
3946 2001-08-05 Richard Henderson <rth@redhat.com>
3948 * local-alloc.c (update_equiv_regs): Do not move insns that
3951 2001-08-05 Jan Hubicka <jh@suse.cz>
3953 * Makefile.in (reload1.o): Add dedendancy on except.h
3954 * basic-block.h (purge_all_dead_edges, purge_dead_edges): Update
3956 * flow.c (purge_dead_edges, purge_all_dead_edges): Return bool
3957 indicating wehther edges has been cleaned up.
3958 * reload1.c: Inlucde except.h
3959 (fixup_abnormal_edges): Accept deleted insns.
3960 * toplev.c (rest_of_compilation): Purge dead edges unconditionally
3963 2001-08-06 Neil Booth <neil@daikokuya.demon.co.uk>
3965 * cpplib.c (do_line): Correct line number after pop_buffer.
3967 2001-08-05 Neil Booth <neil@daikokuya.demon.co.uk>
3969 PR preprocessor/3824
3970 * line-map.c: Update comments.
3971 * line-map.h: Update comments.
3972 * tradcif.y: Don't consider large numbers unsigned.
3974 2001-08-05 Neil Booth <neil@daikokuya.demon.co.uk>
3976 PR preprocessor/3081
3977 * c-lex.c (map): New.
3978 (cb_file_change): Update map and use it.
3979 (cb_def_pragma, cb_define, cb_undef): Use map and line.
3980 (c_lex): Update to use map.
3981 * cpperror.c (print_location): Move to using logical line numbers.
3982 * cppfiles.c (stack_include_file): Update for new _cpp_do_file_change.
3983 (cpp_make_system_header): Similarly.
3984 (_cpp_execute_include): Stop line numbering hacks. Store the
3985 line we will return to.
3986 * cpphash.h (CPP_BUF_LINE): Remove.
3987 (struct cpp_buffer): Remove lineno and pseudo_newlines.
3988 Add map and return_to_line.
3989 (_cpp_do_file_change): Update.
3990 * cppinit.c (cpp_start_read): Update line kludge.
3991 * cpplex.c (handle_newline): Don't update lineno and pseudo_newlines.
3992 (trigraph_ok): Use logical line numbers for diagnostics.
3993 (skip_block_comment): Likewise.
3994 (skip_whitespace): Likewise.
3995 (skip_line_comment): Use pfile->line instead.
3996 (_cpp_lex_token): Update to use logical line numbering exclusively.
3997 Handle BOL locally. Accept new lines in directives, but keep
3998 pfile->line decremented. Diagnostics use logical lines. Update
4000 * cpplib.c (SEEN_EOL): New.
4001 (skip_rest_of_line, check_eol): Use it.
4002 (end_directive): Increase line number when accepting the newline
4003 at the end of a directive.
4004 (run_directive): Simplify.
4005 (do_line): Bad LC_LEAVEs become LC_RENAMEs. Update.
4006 (_cpp_do_file_change): Update to take buffer line number as an
4007 argument, and store the current map in the cpp_reader. Remove
4008 line number kludges.
4009 (_cpp_do__Pragma): Restore output position after a _Pragma.
4010 (cpp_push_buffer): Don't set output line or lineno.
4011 (_cpp_pop_buffer): Transfer more info from a faked buffer.
4012 Remove line kludge. Set output_line.
4013 * cppmacro.c (builtin_macro): Update handling of __LINE__.
4014 (parse_arg): Use logical lines.
4015 (save_lookahead_token): Save EOFs too now.
4016 * cppmain.c (struct printer): Fix comments.
4017 (printer_init): Simplify, let caller do errors.
4018 (scan_translation_unit, check_multiline_token, dump_macro): Update.
4019 (maybe_print_line): Simplify.
4020 (print_line): Don't print a linemarker if -P.
4021 (cb_define, cb_undef, cb_def_pragma, cb_ident, cb_include): Update.
4022 (cb_file_change): Simplify.
4023 * line-map.h (LAST_SOURCE_LINE): Fix.
4024 (CURRENT_LINE_MAP): New.
4026 2001-08-05 Bernd Schmidt <bernds@redhat.com>
4028 * doloop.c (doloop_modify_runtime): Properly compute number of
4029 iterations if loop was unrolled.
4031 * alias.c (rtx_equal_for_memref_p): VALUEs are only identical
4032 if their CSELIB_VAL_PTRs are.
4034 * config/ia64/ia64.c (struct spill_fill_data): New member prev_insn.
4035 (setup_spill_pointers): Initialize it.
4036 (spill_restore_mem): Set it.
4037 (do_spill, do_restore): Use it to add REG_INC note.
4038 * config/ia64/ia64.md (movti_internal): Add REG_INC notes as needed.
4040 * config/ia64/ia64.c (ia64_sched_reorder): Defer scheduling of
4041 asms if other insns are available.
4043 * config/ia64/ia64.c (condop_operator): New predicate.
4044 * config/ia64/ia64.h (PREDICATE_CODES): Add it.
4045 * config/ia64/ia64.md (cond_opsi2_internal and splitters): New
4048 * expr.c (expand_expr, case COND_EXPR): Prefer working with a
4049 temporary register than directly using a MEM.
4051 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
4053 * config/sh/sh.c (sh_asm_named_section): Fix typo in align
4054 parameter in last change.
4056 2001-08-04 Zack Weinberg <zackw@panix.com>
4058 * sparc.md: Don't use #if inside C test expression.
4060 2001-08-04 Richard Henderson <rth@redhat.com>
4062 * i386.c: Revert 07-30 ix86_output_main_function_alignment_hack.
4064 2001-08-04 Neil Booth <neil@daikokuya.demon.co.uk>
4066 * cpphash.h (struct cpp_reader): New member directive_line.
4067 * cpplib.h (struct cpp_callbacks): Update prototypes of callbacks.
4068 * cpplib.c (do_define, do_undef, do_ident, do_include_common,
4069 do_pragma): Pass line to callbacks.
4070 (start_directive): Record line of directive.
4071 * cppmain.c (cb_ident, cb_define, cb_undef, cb_def_pragma,
4072 cb_include): Similarly.
4073 * c-lex.c (cb_ident, cb_define, cb_undef, cb_def_pragma):
4076 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
4078 * config/d30v/d30v.h: Fix typo in start of UNIQUE_SECTION
4081 Sat Aug 4 13:51:36 CEST 2001 Jan Hubicka <jh@suse.cz>
4083 * loop.c (try_copy_prop); Kill invalidated REG_EQUAL notes.
4085 * reload1.c (fixup_abnormal_edges): New static function.
4088 * flow.c (need_fake_edge_p): New function.
4089 (flow_call_edges_add): Fix handling of noreturn and sibbling calls;
4090 avoid call insn to be very last insn in the insn stream.
4092 * profile.c (branch_prob): Call flow_call_edges_add instead of
4093 doing that by hand; cleanup cfg to re-merge basic blocks once
4096 2001-08-04 Neil Booth <neil@cat.daikokuya.demon.co.uk>
4098 * Makefile.in (CPPLIB_H): New, so that dependencies on cpplib.h
4099 are also on line-map.h.
4100 * cppfiles.c (stack_include_file): Update.
4101 * cpphash.h (struct cpp_buffer): New member return_at_eof.
4102 (_cpp_pop_buffer): New.
4103 * cppinit.c (cpp_destroy, cpp_finish): Update.
4104 (do_includes): Mark each buffer to return at EOF.
4105 * cpplex.c (_cpp_lex_token): Pop buffers at EOF. Continue or
4106 return as requested.
4107 * cpplib.c (run_directive, do_line, cpp_push_buffer): Update.
4108 (cpp_pop_buffer): Rename _cpp_pop_buffer. Stop skipping.
4109 * cpplib.h (cpp_pop_buffer): Remove.
4110 (cpp_scan_buffer_nooutput): Rename cpp_scan_nooutput.
4111 * cppmacro.c (cpp_scan_buffer_nooutput): Similarly. No need to pop
4113 * cppmain.c (scan_buffer): Rename scan_translation_unit. No need
4115 (do_preprocessing): Update.
4116 * fix-header.c (read_scan_file): Update. No need to pop buffers.
4117 * c-parse.in (_yylex): Similarly.
4118 * scan-decls.c (scan_decls): Similarly.
4119 * line-map.h: Update comments.
4121 * objc/Make-lang.in (objc-act.o): Update dependencies.
4123 2001-08-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4125 * config/m68hc11/m68hc11.md ("cmphi_1", "cmpqi_1"): Allow memory
4126 and soft register for operand 0.
4127 ("cmphi_z_used", "cmpqi_z_used"): Allow memory for operand 0.
4129 2001-08-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4131 * config/m68hc11/m68hc11.md ("bitcmpqi"): Allow memory and soft
4132 register for operand 0.
4133 ("bitcmpqi_z_used"): Allow memory for operand 0.
4134 (split "bitcmpqi"): New split to handle address reg as operand 1.
4136 2001-08-04 Andreas Jaeger <aj@suse.de>
4138 * gcse.c: Revert Daniel's last patch.
4140 2001-08-03 Zack Weinberg <zackw@stanford.edu>
4142 * sparc-protos.h: Add prototypes for fp_zero_operand and
4144 * sh-protos.h: Add prototype for fpul_operand.
4146 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
4148 * doc/extend.texi (Other Builtins): Fix typo in last change.
4150 2001-08-03 Richard Henderson <rth@redhat.com>
4152 * target.h (gcc_target): Add asm_out.named_section,
4153 section_type_flags, have_named_sections.
4154 * target-def.h (TARGET_ASM_NAMED_SECTION): New.
4155 (TARGET_HAVE_NAMED_SECTIONS): New.
4156 (TARGET_SECTION_TYPE_FLAGS): New.
4158 * Makefile.in (toplev.o): Depend on TARGET_H.
4159 (varasm.o, dbxout.o): Likewise.
4160 * c-common.c (decl_attributes): Check targetm.have_named_sections
4161 instead of ifdef ASM_OUTPUT_SECTION_NAME.
4162 * dbxout.c (dbxout_function_decl): Likewise.
4163 (dbxout_function_end): Likewise.
4164 * toplev.c (compile_file): Likewise.
4165 * varasm.c (exception_section): Likewise.
4166 * cp/decl2.c (finish_objects): Likewise.
4168 * defaults.h (EH_FRAME_SECTION): Remove.
4169 (EH_FRAME_SECTION_ASM_OP): Remove.
4170 (EH_FRAME_SECTION_NAME): New.
4171 (UNIQUE_SECTION): Don't depend on ASM_OUTPUT_SECTION_NAME.
4172 (UNIQUE_SECTION_P): Remove.
4173 * dwarf2out.c (SECTION_FORMAT): Remove.
4174 (ASM_OUTPUT_SECTION): Remove.
4175 (output_call_frame_info): Use named_section_flags.
4176 (output_comp_unit, dwarf2out_start_source_file): Likewise.
4177 (dwarf2out_end_source_file, dwarf2out_define): Likewise.
4178 (dwarf2out_undef, dwarf2out_init, dwarf2out_finish): Likewise.
4179 * varasm.c (in_eh_frame, eh_frame_section): Remove.
4180 (named_section_flags): New.
4181 (named_section): Use it and targetm.section_type_flags.
4182 (resolve_unique_section): New.
4183 (assemble_start_function): Use it.
4184 (asm_emit_uninitialised, assemble_variable): Likewise.
4185 (default_section_type_flags): New.
4186 (default_no_named_section, default_elf_asm_named_section): New.
4187 (default_coff_asm_named_section, default_pe_asm_named_section): New.
4188 * output.h: Update varasm.c decls.
4189 (SECTION_*): New flags.
4191 * crtstuff.c: Check EH_FRAME_SECTION_NAME not EH_FRAME_SECTION_ASM_OP.
4192 (__EH_FRAME_BEGIN__, __FRAME_END__): Use attribute section.
4194 * config/elfos.h (UNIQUE_SECTION_P): Remove.
4195 * config/alpha/elf.h, config/arm/linux-elf.h: Likewise.
4196 * config/arm/pe.h, config/arm/unknown-elf.h: Likewise.
4197 * config/i386/cygwin.h, config/i386/djgpp.h: Likewise.
4198 * config/i386/i386-interix.h, config/i386/win32.h: Likewise.
4199 * config/ia64/sysv4.h, config/mcore/mcore-pe.h: Likewise.
4200 * config/mips/elf.h, config/mips/elf64.h: Likewise.
4201 * config/mips/iris6gld.h, config/mips/mips.h: Likewise.
4202 * config/pa/pa64-hpux.h,
4204 * config/elfos.h (ASM_OUTPUT_SECTION_NAME): Remove.
4205 (TARGET_ASM_NAMED_SECTION): New.
4206 * config/psos.h, config/a29k/a29k.h, config/alpha/elf.h: Likewise.
4207 * config/alpha/vms.h, config/arm/coff.h: Likewise.
4208 * config/arm/conix-elf.h, config/arm/elf.h: Likewise.
4209 * config/arm/linux-elf.h, config/arm/pe.h: Likewise.
4210 * config/arm/unknown-elf.h, config/avr/avr.h: Likewise.
4211 * config/c4x/c4x.h, config/h8300/h8300.h: Likewise.
4212 * config/i386/cygwin.h, config/i386/djgpp.h: Likewise.
4213 * config/i386/i386-interix.h, config/i386/i386elf.h : Likewise.
4214 * config/i386/sco5.h, config/i386/win32.h: Likewise.
4215 * config/m68k/coff.h, config/mcore/mcore-pe.h: Likewise.
4216 * config/mcore/mcore.h, config/mips/elf.h: Likewise.
4217 * config/mips/elf64.h, config/mips/iris6.h: Likewise.
4218 * config/mips/netbsd.h, config/mips/openbsd.h: Likewise.
4219 * config/pa/pa64-hpux.h, config/rs6000/sysv4.h: Likewise.
4220 * config/rs6000/xcoff.h, config/sh/sh.h: Likewise.
4221 * config/sparc/sysv4.h: Likewise.
4223 * config/nextstep.h: Error until named sections implemented.
4225 * config/a29k/a29k.c (a29k_asm_named_section): New.
4226 * config/alpha/alpha.c (SECTION_VMS_OVERLAY): New.
4227 (vms_section_type_flags, vms_asm_named_section): New.
4228 * config/arm/arm.c (arm_elf_asm_named_section): New.
4229 * config/avr/avr.c (asm_output_section_name): Remove.
4230 * config/avr/avr-protos.h: Update.
4231 * config/c4x/c4x.c (c4x_asm_named_section): New.
4232 * config/h8300/h8300.c (h8300_asm_named_section): New.
4233 * config/i386/i386.c (sco_asm_named_section): New.
4234 * config/i386/winnt.c (SECTION_PE_SHARED): New.
4235 (i386_pe_section_type_flags): New.
4236 (i386_pe_asm_named_section): New.
4237 * config/i386/i386-protos.h: Update.
4238 * config/m68k/m68k.c (m68k_coff_asm_named_section): New.
4239 * config/mcore/mcore.c (mcore_asm_named_section): New.
4240 * config/mips/mips.c (iris6_asm_named_section): New.
4241 * config/mips/mips.h (ENCODE_SECTION_INFO): Use DECL_ONE_ONLY
4242 instead of UNIQUE_SECTION_P.
4243 * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): New.
4244 (xcoff_asm_named_section): New.
4245 * config/sh/sh.c (sh_asm_named_section): New.
4246 * config/sparc/sparc.c (sparc_elf_asm_named_section): New.
4248 * config/i386/djgpp.h (EH_FRAME_SECTION_ASM_OP): Remove.
4249 * config/i386/sco5.h (EH_FRAME_SECTION_ASM_OP*): Remove.
4250 (EH_FRAME_SECTION_NAME): New.
4251 (EXCEPTION_SECTION): New.
4252 * config/ia64/ia64.h (EH_FRAME_SECTION_ASM_OP): Remove.
4253 (DEBUG_*_SECTION): Remove.
4254 * config/m68k/rtemself.h (EH_FRAME_SECTION_ASM_OP): Remove.
4255 * config/mips/iris6.h (DEBUG_*_SECTION): Remove.
4256 (EH_FRAME_SECTION_ASM_OP): Remove.
4258 * doc/tm.texi (UNIQUE_SECTION_P): Remove.
4259 (ASM_OUTPUT_SECTION_NAME): Remove.
4260 (TARGET_ASM_NAMED_SECTION): New.
4261 (TARGET_HAVE_NAMED_SECTIONS): New.
4262 (TARGET_SECTION_TYPE_FLAGS): New.
4263 (EH_FRAME_SECTION_ASM_OP): Remove.
4264 (EH_FRAME_SECTION_NAME): New.
4266 2001-08-03 Zack Weinberg <zackw@stanford.edu>
4268 * builtins.c (fold_builtin_constant_p): Return integer_zero_node
4269 for complex expressions when cfun == 0.
4270 * doc/extend.texi: Document that __builtin_constant_p can be
4271 used in data initializers as well as functions.
4273 2001-08-03 Alexandre Oliva <aoliva@redhat.com>
4275 * config/mn10300/mn10300.h (CONDITIONAL_REGISTER_USAGE): Declare
4276 variable I locally, instead of expecting a declaration in the
4279 2001-08-03 Richard Henderson <rth@redhat.com>
4281 * except.c (collect_one_action_chain): Add an explicit cleanup
4282 action if regions surrounding a catch were encoded entirely
4283 within the call-site entry.
4285 2001-08-03 Richard Henderson <rth@redhat.com>
4287 * dbxout.c (dbxout_symbol_location): Flatten subregs first;
4288 don't take REGNO of a non-register.
4290 2001-08-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
4292 * gthr-dce.h (__GTHREAD_MUTEX_INIT_FUNCTION and
4293 __GTHREAD_MUTEX_INIT_DEFAULT): New macros for mutex initialization.
4294 (__gthread_key_delete): Remove code for __PTHREAD_LIBRARY_VERSION_1 >= 1
4295 (__gthread_mutex_init_function): New function for mutex initialization.
4297 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
4299 * Makefile.in: Revert screwed up commit.
4301 2001-08-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4303 * config/m68hc11/t-m68hc11-gas (T_CPPFLAGS): Add _ctor and _dtor.
4304 * config/m68hc11/larith.asm (_exit): Split in several sub-sections
4305 merged by linker script to get a final _exit().
4306 (__do_global_dtors): New for destructor handling in specific exit
4308 (__do_global_ctors): New for constructors in specific install section.
4309 (__map_data_section): Map data sections before running constructors.
4310 * config/m68hc11/m68hc11.h (INT_ASM_OP): Define to use .word.
4311 (CTORS_SECTION_ASM_OP): Define to put in readonly section.
4312 (DTORS_SECTION_ASM_OP): Likewise.
4313 (CTORS_SECTION_FUNCTION): Define to force a reference to
4315 (DTORS_SECTION_FUNCTION): Likewise for __do_global_dtors.
4317 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
4319 * ChangeLog: Fix date on previous ChangeLog entry for GCSE.
4321 * Makefile.in: Add df.h to gcse.c dependencies.
4323 2001-08-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
4325 * varasm.c (output_constant_def_contents): Use for the length of a
4326 string constant either its TREE_STRING_LENGTH or its int_size_in_bytes
4327 depending on which is larger.
4329 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
4331 * gcse.c: Include df.h for use as a dataflow analyzer.
4333 Declaration of reg_set_info: gone.
4334 New df_analyzer variable used by store motion.
4335 (reg_set_info): Deleted.
4336 (mark_mem_regs): New function, analyze regs used by a mem.
4337 (store_ops_ok): Use dataflow analyzer results to determine if
4338 necessary regs are changed in the block.
4339 (find_moveable_store): Remove check for symbol ref, we can handle
4340 much more complex expressions now.
4341 (compute_store_table): Remove most of the code, it's unnecessary
4342 now that the dataflow analyzer records the info for us.
4343 (store_killed_after): Add parameter to say whether to do the
4344 store_ops_okay test, used to speed up testing when we already know
4345 the answer, and just want to know if the store itself was killed.
4346 (build_store_vector): Largely rewritten to calculate the various
4347 vectors properly, and somewhat optimized.
4348 (store_motion): Init the df_analyzer, get REG_DEF chains.
4349 Also handle trapping expressions (since mems almost always trap)
4350 (simple_mem): Redefine what a simple mem is.
4352 2001-08-03 DJ Delorie <dj@redhat.com>
4354 * ifcvt.c (noce_get_alt_condition): Don't make an auxiliary
4355 set from a constant part of the condition.
4357 2001-08-01 Andrew Cagney <ac131313@redhat.com>
4359 * mkdeps.c (deps_add_default_target): Make local variable
4360 ``start'' a const char pointer.
4361 * dwarf2out.c (compute_section_prefix): Localize use of ``p''.
4363 2001-08-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4365 * doc/install.texi (Configuration): Fix markup.
4366 (Specific, i?86-*-udk): Likewise.
4367 (Specific, alpha*-dec-osf*): Warn against --with-gnu-as,
4369 Document --enable-threads and --enable-libgcj status.
4370 (Specific, mips-sgi-irix*): Canonicalize triples.
4371 (Specific, mips-sgi-irix5): Warn about problems with this config.
4372 Mention required GNU as patch.
4373 Native assembler problems are fixed.
4374 (Specific, mips-sgi-irix6): Update O32 ABI support status.
4375 Document --enable-threads and --enable-libgcj status.
4377 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
4379 * Makefile.in, mklibgcc.in: Restore changes with fixed invocation
4382 2001-08-03 Richard Henderson <rth@redhat.com>
4384 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Don't write to
4387 2001-08-03 Richard Henderson <rth@redhat.com>
4389 * rtlanal.c (find_first_parameter_load): Stop if we
4390 reach a CODE_LABEL at BOUNDARY.
4392 2001-08-03 Richard Henderson <rth@redhat.com>
4394 * config/alpha/alpha.md (force_movdi): New insn.
4395 * config/alpha/alpha.c (alpha_expand_prologue): Use it.
4396 Tweek FRP marking of VMS prologue insns.
4397 * config/alpha/vms.h (EPILOGUE_USES): New.
4399 2001-08-02 Richard Henderson <rth@redhat.com>
4401 * Makefile.in, mklibgcc.in: Revert mkinstalldirs change.
4403 2001-08-02 Lars Brinkhoff <lars@nocrew.org>
4405 * combine.c, config.gcc, cse.c, defaults.h, real.c, reload.c,
4406 simplify-rtx.c, config/alpha/alpha.h, config/avr/avr.h,
4407 config/convex/convex.h, config/d30v/d30v.c,
4408 config/d30v/d30v.h, config/dsp16xx/dsp16xx.h,
4409 config/elxsi/elxsi.h, config/fr30/fr30.h, config/m88k/m88k.c,
4410 config/mips/mips.h, config/mn10200/mn10200.h,
4411 config/mn10300/mn10300.h, config/pdp11/pdp11.md,
4412 config/v850/v850.h, config/vax/openbsd.h,
4413 config/vax/openbsd1.h, config/vax/ultrix.h,
4414 config/vax/vax-protos.h, config/vax/vax.c, config/vax/vax.h,
4415 config/vax/vax.md, config/vax/vaxv.h, config/vax/xm-vms.h,
4416 cp/decl2.c, doc/contrib.texi, doc/cpp.texi, doc/gcc.texi,
4417 doc/install.texi, doc/invoke.texi, doc/md.texi, doc/rtl.texi,
4418 doc/tm.texi: consistently use "VAX", "VAXen", and "MicroVAX"
4419 in comments and documentation.
4421 2001-08-03 Neil Booth <neil@cat.daikokuya.demon.co.uk>
4425 * Makefile.in (line-map.o): New.
4426 (LIBCPP_OBJS, LIBCPP_DEPS): Update.
4427 * c-lex.c (cb_file_change): Update for new cpp_file_change structure.
4428 * cpperror.c (print_containing_files): Similarly.
4429 (print_location): Update. Don't output a space before _Pragma.
4430 * cppfiles.c (stack_include_file): Set to line 1 immediately.
4431 (stack_include_filee, cpp_make_system_header): Update.
4432 (_cpp_execute_include): Get logical line number right for calling
4433 as-yet-unterminated #include.
4434 * cpphash.h (struct cpp_reader): Add line_maps.
4435 (_cpp_do_file_change): Update.
4436 * cppinit.c (cpp_create_reader): Initialize line maps.
4437 (cpp_destroy): Destroy line maps.
4438 (cpp_start_read): Get logical line number right.
4439 * cpplex.c (parse_string): Only warn once for multi-line strings.
4440 Use boolean variable for null warning.
4441 * cpplib.c (_cpp_handle_directive): End the directive if it isn't
4443 (do_include_common): End the directive early.
4444 (do_line): Don't warn about out-of-range lines in preprocessed
4445 source. Update. Remove unused variables.
4446 (_cpp_do_file_change): Update for new line mapping.
4447 (pragma_cb): New typedef.
4448 (cpp_register_pragma): Stop looking ahead before calling the
4450 (do_pragma_system_header): End directive early.
4451 (cpp_get_line_maps): New.
4452 (cpp_pop_buffer): Fudge logical line. Update.
4453 * cpplib.h: Include line-map.h
4454 (enum cpp_fc_reason): Remove.
4455 (struct cpp_file_change): Update.
4456 (cpp_get_line_maps): New.
4457 * cppmain.c (struct_printer): New member map.
4458 (cb_file_change): Update for new mappings.
4459 * fix-header.c (cb_file_change): Similarly.
4461 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
4463 * Makefile.in (libgcc.mk): Define mkinstalldirs.
4464 * mklibgcc.in: Use mkinstalldirs instead of mkdir.
4466 2001-08-02 Lars Brinkhoff <lars@nocrew.org>
4468 * config/vax/vax.c: include expr.h.
4470 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
4472 * Makefile.in ($(srcdir)/configure): Only rebuild in
4474 ($(srcdir)/config.in): Only define in maintainer mode.
4475 ($(srcdir)/cstamp-h.in): Only define in maintainer mode.
4477 2001-08-02 David Edelsohn <edelsohn@gnu.org>
4479 * doc/install.texi (Install GCC: Binaries): Update Bull info.
4481 2001-08-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4483 * gcc.c (set_collect_gcc_options): New function, split out from
4485 Ignore elided switches.
4486 (do_spec_1): Invoke before executing command.
4487 (set_input): Export.
4488 Move declaration ...
4489 * gcc.h (set_input): ... here.
4490 * config/alpha/osf.h (ASM_FINAL_SPEC): Use %U.s to refer to input
4493 2001-08-02 Nathan Sidwell <nathan@codesourcery.com>
4496 * doc/c-tree.texi (Namespaces): Remove std & -fhonor-std
4498 * doc/invoke.texi (C++ Dialect Options): Remove -fno-honor-std.
4500 2001-08-02 Richard Sandiford <rsandifo@redhat.com>
4502 * mips.md (movdicc): Make conditional on TARGET_64BIT. Likewise
4503 for the unnamed instructions it expands to.
4505 2001-08-02 Richard Henderson <rth@redhat.com>
4507 * regclass.c (call_really_used_regs): Conditionally define.
4508 (init_reg_sets_1): Don't use it if not defined.
4509 (fix_register): Similarly, don't set it.
4511 2001-08-01 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4513 * params.def (PARAM_MAX_INLINE_INSNS): Change default to 600.
4514 Correct comment that had been missed in the previous change.
4516 2001-08-01 Stan Shebs <shebs@apple.com>
4518 * config/darwin.c (machopic_stub_name): Try matching by name.
4519 (update_stubs): New function.
4520 (darwin_encode_section_info): Call it and update_non_lazy_ptrs
4523 2001-08-01 Richard Henderson <rth@redhat.com>
4525 * except.c (output_function_exception_table): Use assemble_align.
4526 * varasm.c (assemble_eh_label): Remove.
4527 (assemble_eh_align, assemble_eh_integer): Remove.
4529 2001-08-01 Robert Lipe <robertl@caldera.com>
4531 * dwarfout.c: Remove reference to README.DWARF.
4533 2001-08-01 Andrew MacLeod <amacleod@redhat.com>
4535 * regclass.c (call_really_used_regs): New array for registers which
4536 are actually used by a call.
4537 (init_reg_sets_1): Initialize regs_invalidated_by_call with the
4539 (fix_register): Set call_really_used too.
4540 * config/ia64/ia64.h (CALL_REALLY_USED_REGISTERS): Initialize.
4541 * doc/tm.texi (CALL_REALLY_USED_REGISTERS): Document.
4543 2001-08-01 Richard Henderson <rth@redhat.com>
4545 * read-rtl.c (read_name): Consider \r whitespace.
4547 2001-07-11 Andrew Cagney <ac131313@redhat.com>
4549 * config.gcc: Recognize powerpc-*-netbsd*.
4551 * doc/install.texi (Host/target specific installation notes for
4552 GCC): Mention powerpc-*-netbsd*.
4554 * config/rs6000/netbsd.h: New file.
4555 (STANDARD_STARTFILE_PREFIX, LINK_SHLIB_SPEC): Redefine.
4556 (LIB_DEFAULT_SPEC, STARTFILE_DEFAULT_SPEC): Redefine.
4557 (ENDFILE_DEFAULT_SPEC, LINK_START_DEFAULT_SPEC): Redefine.
4558 (LINK_OS_DEFAULT_SPEC, CPP_OS_DEFAULT_SPEC): Redefine.
4559 (TARGET_VERSION): Redefine.
4561 * config/rs6000/t-ppccomm (MULTILIB_MATCHES_SYSV): Recognize
4562 mcall-netbsd as a match for mcall-sysv.
4563 (EXTRA_MULTILIB_PARTS): Add ncrti$(objext) and ncrtn$(objext).
4564 (ncrti.S, ncrtn.S): New targets.
4565 ($(T)ncrti$(objext), $(T)ncrtn$(objext)): New targets.
4567 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Recognize
4568 "netbsd' as a V4 ABI.
4569 (ASM_SPEC): Check for -mcall-netbsd.
4570 (CC1_SPEC, CC1_SPEC, LINK_START_SPEC, LINK_OS_SPEC): Ditto.
4571 (CPP_ENDIAN_SPEC, CPP_SPEC, STARTFILE_SPEC): Ditto.
4572 (LIB_SPEC, ENDFILE_SPEC): Ditto.
4573 (LIB_NETBSD_SPEC, STARTFILE_NETBSD_SPEC): Define.
4574 (ENDFILE_NETBSD_SPEC, LINK_START_NETBSD_SPEC): Define.
4575 (LINK_OS_NETBSD_SPEC, CPP_OS_NETBSD_SPEC): Define.
4576 (SUBTARGET_EXTRA_SPECS): Add NetBSD specs.
4578 * doc/invoke.texi (Option Summary): Add -mcall-netbsd.
4579 (RS/6000 and PowerPC Options): Mention -mcall-netbsd.
4581 2001-08-01 Mark Kettenis <kettenis@gnu.org>
4583 * unwind-pe.h (base_of_encoded_value, read_encoded_value): Define
4584 only if NO_BASE_OF_ENCODED_VALUE isn't defined.
4585 * unwind-dw2-fde.c (NO_BASE_OF_ENCODED_VALUE): Define before
4586 including "unwind-pe.h".
4588 Wed Aug 1 20:01:42 CEST 2001 Jan Hubicka <jh@suse.cz>
4590 * rs6000.md (define_splits): Kill unused constraints.
4592 Wed Aug 1 20:02:12 CEST 2001 Graham Stott <grahams@redhat.com>
4593 Jan Hubicka <jh@suse.cz>
4595 * function.c (thread_prologue_and_epilogue_insns): Kill code
4596 dealing with non-existent CFG.
4598 2001-08-01 Kazu Hirata <kazu@hxi.com>
4600 * alias.c: Fix comment formatting.
4601 * bitmap.c: Likewise.
4602 * builtins.c: Likewise.
4603 * calls.c: Likewise.
4604 * c-common.c: Likewise.
4605 * c-decl.c: Likewise.
4606 * c-dump.c: Likewise.
4607 * c-lex.c: Likewise.
4608 * collect2.c: Likewise.
4609 * combine.c: Likewise.
4610 * conflict.c: Likewise.
4611 * cppfiles.c: Likewise.
4612 * cppinit.c: Likewise.
4613 * cpplex.c: Likewise.
4614 * cpplib.c: Likewise.
4615 * cppmacro.c: Likewise.
4616 * cppspec.c: Likewise.
4617 * c-pragma.c: Likewise.
4618 * crtstuff.c: Likewise.
4620 * cselib.c: Likewise.
4621 * c-semantics.c: Likewise.
4622 * c-typeck.c: Likewise.
4624 2001-08-01 H.J. Lu <hjl@gnu.org>
4626 * config/mips/linux.h (ASM_OUTPUT_IDENT): Defined.
4628 2001-08-01 H.J. Lu <hjl@gnu.org>
4630 * gcc/config/mips/linux.h (ASM_OUTPUT_SOURCE_LINE): Defined.
4632 2001-08-01 Ziemowit Laski <zlaski@apple.com>
4634 * c-parse.in (OBJC_NEED_RAW_IDENTIFIER): Define macro and flag for
4635 contextualizing Objective-C class name lookup by the lexer.
4636 (typespec_reserved_nonattr): Disable ObjC class name lookup after
4638 (protocoldef): Add support for forward @protocol declarations.
4639 (yylexname): Suppress ObjC class name lookup in certain contexts;
4640 re-enable after lookup is complete.
4641 (_yylex): Re-enable ObjC class name lookup when certain
4642 punctuation marks are seen.
4644 * objc/objc-act.c (check_protocol_recursively): New function used
4645 for finding circular dependencies in protocols.
4646 (objc_declare_protocols): New function for handling forward
4647 @protocol declarations.
4648 (receiver_is_class_object): Detect the case when 'self' is used
4649 inside of a class method.
4650 (build_message_expr): Issue a warning if class method is desired
4651 but instance method is found instead.
4652 (conforms_to_protocol): Streamline.
4653 (objc_comptypes): Detect the fact that 'Bar<Foo> foo' conforms to
4654 protocol Foo, even if 'Bar foo' does not.
4655 (check_protocols): Streamline.
4656 (start_protocol): Add checks for circular and duplicate protocol
4658 (encode_aggregate_within): For typedefs of structs, encode the
4660 * objc/objc-act.h (PROTOCOL_DEFINED): New tree accessor.
4661 (objc_declare_protocols): New prototype.
4663 2001-08-01 Neil Booth <neil@cat.daikokuya.demon.co.uk>
4665 * cpphash.h (struct cpp_reader): New members line, pseudo_newlines.
4666 * cpplex.c (handle_newline): Update prototype. Maintain logical
4668 (skip_escaped_newlines, skip_block_comment, parse_string):
4670 (_cpp_lex_token): Update, and store token position within the token.
4671 * cpplib.h (struct cpp_token): Add line and column entries.
4672 * cppmacro.c (replace_args): Position stringified tokens correctly.
4674 2001-08-01 Andreas Jaeger <aj@suse.de>
4676 * basic-block.h: Add prototype for last_loop_beg_note.
4678 2001-07-31 Alexandre Petit-Bianco <apbianco@redhat.com>
4680 * expr.c (safe_from_p): Use WITH_CLEANUP_EXPR_RTL instead of
4681 RTL_EXPR_RTL while handling WITH_CLEANUP_EXPR nodes. Fixed typo in
4683 (expand_expr): Use WITH_CLEANUP_EXPR_RTL instead of RTL_EXPR_RTL
4684 while handling WITH_CLEANUP_EXPR node. Use second operand calling
4685 expand_decl_cleanup.
4686 * tree.c (firt_rtl_op): The third operand of WITH_CLEANUP_EXPR is
4688 (simple_cst_equal): WITH_CLEANUP_EXPR node to use its second
4689 operand while calling simple_cst_equal.
4690 * tree.def (WITH_CLEANUP_EXPR): Switched operands: the second
4691 operand is the cleanup expression, the third is the RTL_EXPR.
4692 * tree.h (WITH_CLEANUP_EXPR_RTL): New macro.
4694 2001-07-31 Jeff Sturm <jsturm@one-point.com>
4696 * except.c (duplicate_eh_regions): Test n_array[i] for NULL.
4698 2001-07-31 matthew green <mrg@eterna.com.au>
4700 * config.gcc (i386-*-netbsdelf): New description.
4701 * config/i386/netbsd-elf.h: New file.
4703 2001-07-30 Geoffrey Keating <geoffk@redhat.com>
4705 * loop.c (check_dbra_loop): Use single_set to compute
4708 2001-07-31 Daniel Berlin <dan@cgsoftware.com>
4710 PowerPC reorg and support for powerpc64-*-linux*.
4712 Also fixes emitting of constants on 32 bit and 64 bit
4715 * config.gcc: powerpc64-*-linux* is a new target.
4716 Things that needed aix.h now also include xcoff.h
4718 * config/rs6000/rs6000.h: Split XCOFF specific stuff into
4720 Move AIX specific stuff into aix.h.
4721 (TARGET_AIX): Renamed to TARGET_XCOFF, since the AIX ABI is used
4722 with more than just XCOFF now.
4723 (SET_ASM_OP): Remove, now defined where needed.
4724 (FUNCTION_PROLOGUE): New macro definition.
4725 (FUNCTION_EPILOGUE): New macro definition.
4726 (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): New macro definition.
4728 * config/rs6000/xcoff.h: New file.
4730 * config/rs6000/linux64.h: New file.
4732 * config/rs6000/darwin.h: Copy needed AIX alignment definitions.
4734 2001-07-31 Alan Modra <amodra@bigpond.net.au>
4736 * rs6000.c (print_operand_address): Handle ELF syntax.
4737 (output_toc): Simplify. Use DOUBLE_INT_ASM_OP.
4738 * rs6000.md (load_toc_aix_di): Handle ELF syntax.
4739 * rs6000.h (ASM_OUTPUT_DOUBLE_INT, ASM_LONG): Use DOUBLE_INT_ASM_OP.
4741 2001-07-31 David Edelsohn <edelsohn@gnu.org>
4743 * rs6000.c (rs6000_override_options): Only disable
4744 flag_function_sections for XCOFF.
4745 (exact_log2_cint_operand): New predicate.
4746 (reg_or_{add,sub}_cint64_operand): New predicates.
4747 (add_operand): Compare CONST_INT with fewer function calls.
4748 (rs6000_emit_set_const, rs6000_emit_set_long_const): New functions.
4749 (print_operand, case 'p'): Ensure positive operand.
4750 (rs6000_emit_load_toc_table): No load_toc_v4_pic_di.
4751 * rs6000.h (CONST_OK_FOR_LETTER_P, case 'N'): Ensure positive value.
4752 (PREDICATE_CODES): Add new predicates.
4753 * rs6000.md (addsi3): Split 32-bit constants more correctly.
4754 (divsi3, modsi3): Ensure positive power-of-2.
4755 (adddi3): Use new predicate. Split 32-bit constants more
4756 correctly. Re-arrange splitter to handle any constant.
4757 (subdi3): Use new predicate.
4758 (divdi3, moddi3): Ensure positive power-of-2.
4759 (movdi): Use rs6000_emit_set_const.
4760 (load_toc_v4_pic_di): Delete.
4762 2001-07-31 Graham Stott <grahams@redhat.com>
4764 * function.c (pad_below): Revert 2001-07-26 patch.
4766 Tue Jul 31 15:37:35 CEST 2001 Jan Hubicka <jh@suse.cz>
4768 * reg-stack (convert_regs_1): Fix best edge condition.
4770 Tue Jul 31 15:33:27 CEST 2001 Jan Hubicka <jh@suse.cz>
4772 * jump.c (duplicate_loop_exit_test): Better test for jumps
4773 entering the loop; create loop pre_header.
4775 2001-07-31 Hartmut Penner <hpenner@de.ibm.com>
4777 * doc/install.texi: Add s390 and s390x as new targets.
4778 * doc/invoke.texi: Add documantation of S/390 and zSeries
4780 * doc/md.texi: Add documantation of S/390 and zSeries constraints.
4782 2001-07-30 Roman Zippel <zippel@linux-m68k.org>
4784 * config/m68k/m68k.md: Replace all general_operand with
4785 nonimmediate_operand for all destinations.
4786 * config/m68k/m68k.c (not_sp_operand): Likewise.
4788 Mon Jul 30 23:20:34 EDT 2001 John Wehle (john@feith.com)
4790 * flow.c (merge_blocks): Return 1 if an extra jump is inserted.
4792 2001-07-30 Richard Henderson <rth@redhat.com>
4794 * config/ia64/ia64.h (DEBUG_RANGES_SECTION): New.
4795 * config/mips/iris6.h (DEBUG_RANGES_SECTION): New.
4797 2001-07-30 Roman Zippel <zippel@linux-m68k.org>
4799 * config/m68k/m68k.h (TARGET_SWITCHES/TARGET_OPTIONS):
4800 Add missing doc strings
4801 * config/m68k/linux-aout.h (SUBTARGET_SWITCHES): Likewise
4802 * config/m68k/linux.h (SUBTARGET_SWITCHES): Likewise
4804 Mon Jul 30 22:16:08 CEST 2001 Jan Hubicka <jh@suse.cz>
4806 * i386.c (ix86_output_main_function_alignment_hack): New function.
4807 (TARGET_ASM_FUNCTION_PROLOGUE): Default to it.
4809 * flow.c (mark_dfs_back_edges): Move from loop_p ; mark back
4810 edges by EDGE_DFS_BACK flag.
4811 (dump_edge_info): Add dfs_back flag.
4812 * basic-block.h (EDGE_DFS_BACK): New constant.
4813 (mark_dfs_back_edges): Declare.
4814 * alias.c (loop_p): Remove.
4815 (mark_constant_function): Use mark_dfs_back_edges.
4817 * reg-stack.c (block_info_def): Add predecesors counter and stack_out.
4818 (reg_to_stack): Call mark_dfs_back_edges; count the predecesors.
4819 (compensate_edge): Break out from ...
4820 (convert_regs_1): ... here; do smart choosing of stack_out to copy.
4821 (convert_regs_2): Set block_done once block is really done;
4822 Do updating of the predecesors counts.
4824 * toplev.c (rest_of_compilation): Recompute block_for_insn
4825 before post-reload cfg_cleanup.
4826 * function.c (thread_prologue_epilogue_insns):
4827 Call set_block_for_new_insns when emitting prologue directly.
4829 2001-07-30 Andreas Jaeger <aj@suse.de>
4831 * jump.c: Add prototype for mark_modified_reg.
4833 * cse.c (set_live_p): Add unused attribute.
4835 * gcov.c (calculate_branch_probs): Use gcov_type to avoid
4837 (scan_for_source_files): Use long for count to avoid overflow.
4838 (output_data): Likewise.
4839 (output_data): Don't use string concatatenation to silence gcc
4842 * predict.c: Fix typos and grammar.
4844 * gcse.c (insert_insn_end_bb): Remove unused variables.
4846 Mon Jul 30 21:54:53 CEST 2001 Jan Hubicka <jh@suse.cz>
4848 * flow.c (mark_set_1): Use REG_FREQ_FROM_BB.
4849 (attempt_auto_inc): LIkewise.
4850 (mark_used_reg): Likewise.
4851 (try_pre_increment_1): Likewise.
4852 * regclass.c (regclass): Likewise.
4853 * global.c (allocno_compare): Update comment; change scaling factor.
4854 * local-alloc.c (QTY_CMP_PRI): Likewise.
4855 * regs.h (REG_FREQ_FROM_BB): New.
4856 (REG_FREQ_MAX): Likewise.
4858 2001-07-30 H.J. Lu <hjl@gnu.org>
4860 * config/mips/linux.h (CPLUSPLUS_CPP_SPEC): Add
4863 2001-07-30 H.J. Lu (hjl@gnu.org)
4865 * config/mips/linux.h (ASM_DECLARE_FUNCTION_NAME): Defined.
4866 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
4867 (FUNCTION_NAME_ALREADY_DECLARED): Likewise.
4869 2001-07-30 Nick Clifton <nickc@cambridge.redhat.com>
4871 * config/arm/t-arm-elf (MULTILIB_EXCEPTIONS): Skip -mthumb as well
4872 as -mthumb-interwork when -mcpu=arm7 is specified.
4874 Mon Jul 30 17:44:43 CEST 2001 Jan Hubicka <jh@suse.cz>
4876 * predict.def (noreturn, loop branch, loop exit): Mark as first
4879 Mon Jul 30 12:52:11 CEST 2001 Jan Hubicka <jh@suse.cz>
4881 * combine.c (try_combine): Avoid barrier after noop jumps.
4883 2001-07-29 Neil Booth <neil@cat.daikokuya.demon.co.uk>
4885 * cpphash.h (struct cpp_reader): Remove import_warning.
4886 * cpplib.c (skip_rest_of_line): Don't bother turning off
4888 (parse_include): Move include handling to...
4889 (do_include_common): ... here. Move import warning from...
4890 (do_import): ... here.
4891 (do_pragma_poison): Don't do a callback for poison identifiers.
4892 * cpplib.h (struct cpp_callbacks): Don't do poison callbacks.
4893 * cppmain.c (setup_callbacks): Similarly.
4895 Sun Jul 29 23:26:50 CEST 2001 Jan Hubicka <jh@suse.cz>
4897 * rtlanal.c (parms_set, find_first_parameter_load): Break out from...;
4898 handle multiple sets.
4899 * except.c (sjlj_mark_call_sites): .... here.
4900 * gcse.c (insert_insn_end_bb): Use find_first_parameter_load.
4902 Sun Jul 29 21:38:45 CEST 2001 Jan Hubicka <jh@suse.cz>
4904 Suggested by Richard Henderson and Richard Kenner:
4905 * combine.c (recog_for_combine): Use the fake recog
4906 only if instruction does not match.
4907 * rtl.h (NOOP_MOVE_INSN_CODE): New.
4908 * rtlanal.c (noop_move_p): Always return 1 for NOOP_MOVE_INSN_CODE.
4910 * combine.c (try_combine): Discover noop jump as direct jump.
4912 2001-07-29 Daniel Berlin <dan@cgsoftware.com>
4914 * df.c (df_rd_global_compute): Add successors to worklist, not
4916 (df_ru_global_compute): Ditto.
4918 2001-07-27 Daniel Berlin <dan@cgsoftware.com>
4920 * regclass.c (reg_scan_mark_refs): Increment REG_N_REFS when we
4921 increment REG_N_SETS.
4923 2001-07-26 Daniel Berlin <dan@cgsoftware.com>
4925 * sbitmap.h: New prototype for sbitmap_a_xor_b.
4927 * sbitmap.c (sbitmap_a_xor_b): New function.
4928 ifdef the basic block stuff on IN_GCC.
4930 2001-07-29 Neil Booth <neil@cat.daikokuya.demon.co.uk>
4932 * cppexp.c (parse_defined): Always record the macro name.
4933 (lex): Don't worry about identifiers, or special-case
4935 (_cpp_parse_expr): Figure out at the end of the routine
4936 whether we saw a valid !defined() expression.
4937 * cppfiles.c (stack_include_file): Update for mi_valid.
4938 (_cpp_pop_file_buffer): Similarly.
4939 * cpplex.c (_cpp_lex_token): Similarly.
4940 * cpphash.h (enum mi_state, enum mi_ind, mi_state,
4941 mi_if_not_defined, mi_lexed): Remove.
4943 * cpplib.c (do_if): Simplify.
4944 (do_endif, push_conditional, _cpp_handle_directive): Update
4945 for renaming of mi_state to mi_valid.
4947 * cpp.texi: Add index entries for digraphs, and add comment
4948 that C++ refers to them as alternative tokens.
4950 Sun Jul 29 18:59:13 CEST 2001 Jan Hubicka <jh@suse.cz>
4952 * basic-block.h (CLEANUP_PRE_LOOP): New.
4953 * except.c (finish_eh_generation): Update call of cleanup_cfg.
4954 * sibcall.c (optimize_sibling_calls): Likewise.
4955 * toplev.c (rest_of_compilation): Likewise.
4956 * flow.c (try_forward_edges): Take argument MODE;
4957 do not forward over loop pre-headers if CLEANUP_PRE_LOOP.
4958 (try_optimize_cfg): Update call of try_forward_edges.
4960 Sun Jul 29 18:59:56 CEST 2001 Roman Zippel <zippel@linux-m68k.org>
4961 Jan Hubicka <jh@suse.cz>
4963 * (validate_replace_rtx_1): Fix simplification of MINUS.
4965 2001-07-29 Neil Booth <neil@daikokuya.demon.co.uk>
4967 PR preprocessor/3669
4968 * cppinit.c (init_dependency_output): Turn off dump requests
4969 if sending dependencies to stdout.
4971 2001-07-28 Richard Henderson <rth@redhat.com>
4973 * flow.c (life_analysis): Elide PROP_ALLOW_CFG_CHANGES if
4976 2001-07-28 Golubev I. N. <gin@mo.msk.ru>
4978 * config/i386/sco5.h (DWARF2_DEBUGGING_INFO): Define.
4980 2001-07-28 Kazu Hirata <kazu@hxi.com>
4982 * config/h8300/h8300.h (ENCODE_SECTION_INFO): Check to see if DECL
4983 is VAR_DECL first to prevent an ICE.
4985 2001-07-28 Richard Henderson <rth@redhat.com>
4987 * varasm.c (immed_real_const_1): Don't elide special cases for
4989 (clear_const_double_mem): Clear const_tiny_rtx too.
4991 2001-07-28 Richard Henderson <rth@redhat.com>
4993 * dwarf2out.c (dw_val_class_offset): New.
4994 (struct dw_ranges_struct, dw_ranges_ref): New.
4995 (ranges_table, ranges_table_allocated): New.
4996 (ranges_table_in_use, RANGES_TABLE_INCREMENT): New.
4997 (add_AT_offset, add_ranges, output_ranges): New.
4998 (print_die, output_die): Handle dw_val_class_offset.
4999 (attr_checksum, size_of_die, value_format): Likewise.
5000 (gen_lexical_block_die): Handle non-contiguous blocks.
5001 (gen_block_die): Likewise.
5002 (dwarf2out_finish): Add a DW_AT_entry_pc to the compilation unit
5003 if needed. Dump the ranges table.
5004 * final.c (final_start_function): Remove unnecessary notes and
5005 rebuild the block tree before numbering the blocks.
5006 * function.c (reorder_blocks_0): Walk the existing block tree
5007 to unmark all blocks.
5008 (reorder_blocks_1): Create block fragments when duplicate block
5010 (reorder_fix_fragments): New.
5011 (reorder_blocks): Call it.
5012 * tree.h (BLOCK_FRAGMENT_ORIGIN, BLOCK_FRAGMENT_CHAIN): New.
5014 2001-07-28 Richard Henderson <rth@redhat.com>
5016 * emit-rtl.c (adjust_address): Make a copy of the memory address.
5018 2001-07-28 Richard Henderson <rth@redhat.com>
5020 * flow.c (add_to_mem_set_list): New function.
5021 (init_propagate_block_info): Use it.
5022 (mark_set_1): Likewise.
5023 (insn_dead_p): Canonicalize memory address for dead store
5024 comparison. Allow wider mode stores to kill narrower mode stores.
5025 (invalidate_mems_from_autoinc): Use invalidate_mems_from_set.
5026 (invalidate_mems_from_set): Don't handle MEMs.
5028 2001-07-28 Kazu Hirata <kazu@hxi.com>
5030 * config/h8300/h8300.h: Fix formatting.
5032 Sat Jul 28 23:35:22 CEST 2001 Jan Hubicka <jh@suse.cz>
5034 * basic-block.h (EDGE_FREQUENCY): New macro.
5035 * bb-reorder (fixup_reorder_chain): Set counts and frequencies
5037 * flow.c (find_sub_basic_blocks): Likewise.
5038 (try_crossjump_to_edge): Likewise; use EDGE_FREQUENCY
5039 (redirect_edge_and_branch): Use EDGE_FREQUENCY.
5041 * predict.c (DEF_PREDICTOR): New argument FLAGS.
5042 (HITRATE): New macro.
5043 (PRED_FLAG_FIRST_MATCH): New constant.
5044 (predictor_info): New field flgags.
5045 (combine_predictions_for_insn): Use DS theory to combine
5046 probabilities; set the edge probabilities when finished.
5047 (estimate_probability): Avoid duplicated matches
5048 of LOOP_BRANCH heuristics for nested loops; update comment.
5049 * predict.def: Add flags for each prediction, set probabilities
5050 according to B&L paper.
5051 * predict.h (DEF_PREDICTOR): New argument FLAGS.
5053 * profile.c (compute_branch_probabilities): Cleanup way the edge
5054 probabilities are computed and REG_BR_PROB notes are dropped; if
5055 values does not match, emit error.
5056 (init_branch_prob): Do error instead of warning when profile driven
5057 feedback is missing or corrupt.
5059 2001-07-27 DJ Delorie <dj@redhat.com>
5061 * ifcvt.c (noce_get_alt_condition): If the condition is a compare
5062 against a constant, try to adjust the compare to have the desired
5063 constant in it so that min/max optimizations happen more often.
5065 Fri Jul 27 17:53:00 CEST 2001 Jan Hubicka <jh@suse.cz>
5067 * flow.c (last_loop_beg_note): New function.
5068 (redirect_edge_and_branch): Use it.
5069 (split_edge): Likewise.
5071 * alias.c (loop_p): Avoid uninitialized memory access.
5073 * flow.c (try_forward_edges): Avoid accessing freed memory.
5075 * flow.c (backward_edge_of_syntactic_loop_p): Avoid uninitialized
5078 2001-07-26 Andrew Haley <aph@redhat.com>
5079 Joern Rennecke <amylaar@redhat.com>
5081 * config/sh/linux.h (CPP_DEFAULT_CPU_SPEC): New.
5082 (SUBTARGET_CPP_ENDIAN_SPEC): New.
5083 (SUBTARGET_CPP_SPEC): New.
5085 * config/sh/sh.h (SUBTARGET_CPP_ENDIAN_SPEC): New.
5086 (SUBTARGET_CPP_PTR_SPEC): New.
5087 (CPP_DEFAULT_CPU_SPEC): New.
5088 (EXTRA_SPECS): Add SUBTARGET_CPP_ENDIAN_SPEC,
5089 SUBTARGET_CPP_PTR_SPEC, and CPP_DEFAULT_CPU_SPEC.
5090 (CPP_SPEC): Break out parts into SUBTARGET_CPP_ENDIAN_SPEC,
5091 SUBTARGET_CPP_PTR_SPEC, and CPP_DEFAULT_CPU_SPEC.
5092 (SUBTARGET_CPP_SPEC): Define as an empty string.
5094 2001-07-27 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5096 * doc/install.texi (Configuration): Properly link the host
5097 specific instructions also when generating HTML.
5099 Fri Jul 27 00:33:35 EDT 2001 John Wehle (john@feith.com)
5101 * flow.c (redirect_edge_and_branch_force): Test
5102 target->global_live_at_start.
5104 2001-07-26 Richard Henderson <rth@redhat.com>
5106 * simplify-rtx.c (avoid_constant_pool_reference): Export.
5107 * rtl.h (avoid_constant_pool_reference): Declare it.
5108 * dwarf2out.c (add_location_or_const_value_attribute): Use it.
5109 (add_const_value_attribute): Use add_AT_unsigned for unsigned values.
5111 Thu Jul 26 22:30:22 CEST 2001 Jan Hubicka <jh@suse.cz>
5113 * rtl.h (cleanup_barriers): Declare.
5114 * jump.c (cleanup_barriers): New function.
5115 * toplev.c (rest_of_compilation): Call cleanup_barriers
5116 before loop optimizer and after bb_reorder.
5118 * flow.c (back_edge_of_syntactic_loop_p): New.
5119 (split_edge): Use it.
5121 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5123 * glimits.h (_MACH_MACHLIMITS_H_): Delete.
5125 Thu Jul 26 22:22:21 2001 Denis Chertykov <denisc@overta.ru>
5127 * cse.c (cse_process_notes): Replace any registers if the address
5130 Thu Jul 26 14:04:03 EDT 2001 John Wehle (john@feith.com)
5132 * basic-block.h (PROP_ALLOW_CFG_CHANGES): Define.
5133 (PROP_FINAL): Include PROP_ALLOW_CFG_CHANGES.
5134 (propagate_block): Update prototype.
5135 * flow.c (update_life_info): Simplify the CFG and
5136 recalculate the global regs which are alive when
5137 removing dead code during a global update.
5138 (propagate_block): Return non-zero if an INSN is
5141 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5143 * Makefile.in (LIBICONV): Define.
5145 2001-07-26 Catherine Moore <clm@redhat.com>
5147 * config/v850/v850.h (ENCODE_SECTION_INFO): Change order
5148 of conditional to avoid tree checking errors.
5150 2001-07-26 Kazu Hirata <kazu@hxi.com>
5152 * regmove.c (regmove_optimize): Don't replace a reg with
5153 another reg of a different mode.
5155 2001-07-26 Andrew MacLeod <amacleod@redhat.com>
5157 * params.def (PARAM_MAX_PENDING_LIST_LENGTH): Add parameter to
5158 limit length of dependancy flush list.
5159 * params.h (MAX_PENDING_LIST_LENGTH): Define.
5160 * sched-int.h (struct deps): Add pending_flush_length field.
5161 * sched-deps.c (flush_pending_lists): Last_pending_memory_flush now
5162 has 1 element in it.
5163 (sched_analyze_1): Use MAX_PENDING_LIST_LENGTH.
5164 (sched_analyze): After a jump, if the pending memory flush list is too
5165 large, flush the pending lists.
5166 (init_deps): Initialize pending_flush_length to 0.
5167 * doc/invoke.texi (max_pending_list_length): Document parameter.
5169 2001-07-26 Neil Booth <neil@daikokuya.demon.co.uk>
5171 * toplev.c, varasm.c, final.c: Include xcoffout.h if appropriate.
5172 * dbxout.c (dbxout_global_decl): Move outside #ifdef.
5173 * Makefile.in (varasm.o, final.o, toplev.o): Update dependencies.
5175 2001-07-26 Neil Booth <neil@cat.daikokuya.demon.co.uk>
5177 * cpphash.h (struct_lexer_state): Delete was_skipping.
5178 Move skipping here from struct cpp_reader.
5179 * cpplex.c (parse_identifier): Update.
5180 (_cpp_lex_token): Don't skip tokens in a directive.
5181 * cpplib.c (struct if_stack): Update.
5182 (start_directive, end_directive): Don't change skipping state.
5183 (_cpp_handle_directive): Update.
5184 (do_ifdef, do_ifndef, do_if, do_elif): Similarly.
5185 (do_else, do_endif): Update; only check for excess tokens if not
5186 in a skipped conditional block.
5187 (push_conditional): Update for new struct if_stack.
5189 2001-07-26 Graham Stott <grahams@redhat.com>
5191 * function.c (locate_and_pad_parm): Also pad initial offset
5192 so that the total argument size also includes the padding.
5194 2001-07-26 Graham Stott <grahams@redhat.com>
5196 * gensupport.c (alter_output_for_insn): Correct enable checking failure
5197 change XSTR to XTMPL.
5199 (process_one_cond_exec): Likewise
5201 2001-07-25 Richard Henderson <rth@redhat.com>
5203 * varasm.c (assemble_variable): Create DECL_RTL before setting
5206 Thu Jul 26 00:19:30 CEST 2001 Jan Hubicka <jh@suse.cz>
5208 * predict.c (estimate_probability): Avoid duplicated predictions.
5210 * loop.c (find_and_verify_loops): Grok multiple barriers.
5212 Wed Jul 25 18:00:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5214 * config/alpha/alpha.c (print_operand, case '/'): Don't write '/'.
5216 * dbxout.c: Consistently use putc instead of fputc.
5217 (print_wide_int): New function; call instead of direct fprintf.
5218 (dbxout_type_index): Adjust calls of CHARS to be more accurate.
5219 (dbxout_type_fields, dbxout_type_method_1): Likewise.
5220 (dbxout_type_methods, dbxout_range_type, dbxout_type): Likewise.
5221 (print_int_cst_octal): Likewise.
5222 (print_octal): Show we wrote characters.
5223 (dbxout_type): Set have_used_extensions in more places.
5225 2001-07-25 Catherine Moore <clm@redhat.com>
5227 * config/v850/v850.c (v850_va_arg): Use addr
5228 instead of valist to build incr.
5230 Wed Jul 25 22:48:59 CEST 2001 Jan Hubicka <jh@suse.cz>
5232 * flow.c (delete_dead_jumptables): New function.
5233 (life_analyzis): Call it.
5234 * bb-reorder.c (skip_insns_after_block): Handle contradictory
5237 2001-07-25 Richard Henderson <rth@redhat.com>
5239 * except.c (reachable_handlers): Handle a region being removed
5240 out from under a RESX.
5242 2001-07-25 Richard Henderson <rth@redhat.com>
5244 * config/alpha/alpha.c (alpha_emit_conditional_move): Always
5245 swap GE/GT if it is an fp comparison.
5247 2001-07-25 Andrew Haley <aph@cambridge.redhat.com>
5249 * alias.c (rtx_equal_for_memref_p): Allow strings as types in
5252 Wed Jul 25 08:25:01 2001 Jeffrey A Law (law@cygnus.com)
5254 * ssa.c (rename_insn_1): Do not wrap an assignment to a
5255 paradoxical SUBREG inside a SEQUENCE. Fix minor formatting
5258 * ssa-ccp.c (visit_expression): Handle CALL_INSNs that can
5260 (visit_expression): When attempting to simplify an expression,
5261 retrieve any modes for arguments before they are simplified
5264 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
5265 Janis Johnson <janis@us.ibm.com>
5267 * stmt.c (expand_goto): A nonlocal goto can be a call too.
5268 * builtins.c (expand_builtin_longjmp): Reverse label and static chain
5269 pointer parameters to match documented usage of nonlocal_goto.
5270 * config/ia64/ia64.md (nonlocal_goto): Revert label and static chain
5271 parameters to their correct order.
5272 * config/sparc/sparc.md (nonlocal_goto): Revert label and static chain
5273 parameters to their correct order.
5275 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
5277 * config/ia64/ia64.h (STRIP_NAME_ENCODING): Strip out '*' as well.
5279 2001-07-25 Jan Hubicka <jh@suse.cz>
5280 Richard Henderson <rth@redhat.com>
5282 * flow.c (find_sub_basic_blocks): Fix handling of the last BB in
5284 (make_edges): New argument update_p; populate the edge cache if set.
5285 (find_basic_blocks): Update make_edges invocation.
5287 2001-07-24 Joel Sherrill <joel@OARcorp.com>
5289 * config/i960/i960.h (CPP_SPEC): Define _SOFT_FLOAT for -msoft-float.
5291 2001-07-24 Joel Sherrill <joel@OARcorp.com>
5293 * config/sparc/rtems.h (CPP_PREDEFINES): Remove redundant
5294 -Acpu and -Amachine.h.
5295 * config/sparc/rtemself.h (CPP_PREDEFINES): Likewise.
5296 Corrected header to say ELF not a.out.
5297 * config/sparc/sparc.h (CPP_CPU_SPEC): Define _SOFT_FLOAT
5298 when given -msoft-float.
5300 2001-07-24 Joel Sherrill <joel@OARcorp.com>
5302 * config.gcc (arm*-*-rtems*): Include crtinit.o and crtfini.o as
5303 extra multilib parts like arm-elf.
5304 (i960-*-coff*, i960-*-rtems): Should not use collect2.
5305 (m68020-*-elf*, m68k-*-elf*, m68k-*-rtems*): Include crtinit.o and
5306 crtfini.o as extra multilib parts.
5308 2001-07-24 Joel Sherrill <joel@OARcorp.com>
5310 * configure.in: Add rtems as a supported thread model.
5311 * gthr-rtems.h: Add missing entry point __gthread_active_p.
5312 * configure: Rebuilt.
5314 2001-07-24 Lars Brinkhoff <lars@nocrew.org>
5316 * stor-layout.c (get_mode_alignment): make it work when
5317 BITS_PER_UNIT is not a power of two.
5318 * builtins.c (get_pointer_alignment): Likewise.
5320 2001-07-24 Richard Henderson <rth@redhat.com>
5322 * simplify-rtx.c (avoid_constant_pool_reference): Coerce
5323 the retrieved constant into the expected mode.
5325 Wed Jul 25 01:41:27 CEST 2001 Jan Hubicka <jh@suse.cz>
5327 * flow.c (try_simplify_condjump): Avoid duplicated edges.
5328 (verify_flow_info): Check for duplicated edges; clarify
5331 * flow.c (block_label): Update basic_block_for_insn.
5332 (commit_edge_insertions): Call compute_bb_for_insn.
5334 * flow.c (purge_dead_edges): Handle conditional jumps and conditional
5337 * flow.c (redirect_edge_and_branch,
5338 try_optimize_cfg): Use redirect_edge_succ_nodup
5339 (redirect_edge_succ_nodup): New.
5340 * basic_block.h (redirect_edge_succ_nodup): Declare.
5342 * toplev.c (rest_of_compilation): Rebuild CFG before cfg_cleanup
5345 Wed Jul 25 00:32:49 CEST 2001 Jan Hubicka <jh@suse.cz>
5347 * flow.c (try_forward_edges): Accept fallthru edge; Update comment.
5348 (try_crossjump_to_edge): Update commetns.
5349 (try_crossjump_bb): Likewise.
5351 2001-07-24 Richard Henderson <rth@redhat.com>
5353 * combine.c (distribute_notes): Move set of need_refresh
5354 for noop_move_p down to catch all cases.
5356 Tue Jul 24 20:32:44 CEST 2001 Jan Hubicka <jh@suse.cz>
5358 * recog.c (split_all_insns_noflow): New.
5359 * rtl.h (split_all_insns_noflow): Declare.
5360 * ia64.c (ia64_reorg): Use split_all_insns_noflow.
5361 * m68hc11.c (m68hc11_reorg): Likewise.
5362 * sh.c (machine_dependent_reorg): Likewise.
5363 * toplev.c (rest_of_compilation): Likewise for last split_all_insns
5366 2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
5368 * config/sh/sh.md (ashlsi3_std splitter): Split only after reload.
5369 (ashlsi3_n splitter): Likewise.
5370 (lshrsi3_n splitter): Likewise.
5372 (GOTaddr2picreg): Make const SImode.
5373 (sym_label2reg): Likewise.
5374 (symGOT2reg): Likewise.
5375 (symGOTOFF2reg) Likewise.
5377 (casesi_worker_0): Make unspec SImode.
5379 2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
5381 * config/sh/sh.c (barrier_align): Check that an operand really is
5382 an insn before extracting its INSN_CODE.
5384 2001-07-24 Andrew Haley <aph@cambridge.redhat.com>
5386 * config/sh/sh.h (OVERRIDE_OPTIONS): Add braces to get rid of
5389 * config/sh/sh.h (INITIALIZE_TRAMPOLINE): Truncate operands
5390 for SImode to prevent overflow.
5392 2001-07-24 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5394 * config/mips/irix6-libc-compat.c: New file.
5395 * config/mips/t-iris6 (LIB2FUNCS_STATIC_EXTRA): Use it.
5396 * doc/install.texi (Specific, mips*-sgi-irix6): Mention structure
5399 2001-07-24 lars brinkhoff <lars@nocrew.org>
5401 * rtl.texi (REG_POINTER): Document.
5402 (Machine Modes): Document BImode, OImode, PQImode, PHImode,
5403 QFmode, HFmode, TQFmode, QCmode, and HCmode.
5405 Tue Jul 24 10:49:40 CEST 2001 Jan Hubicka <jh@suse.cz>
5407 * flow.c (delete_noop_moves): Do not confuse libcall regions.
5409 2001-07-23 Richard Henderson <rth@redhat.com>
5411 * flow.c (try_simplify_condjump): Use tidy_fallthru_edge.
5413 2001-07-23 Kazu Hirata <kazu@hxi.com>
5415 * config/h8300/h8300-protos.h: Add a prototype for
5416 general_operand_dst_push.
5417 * config/h8300/h8300.c (general_operand_dst_push): New.
5418 * config/h8300/h8300.h (OK_FOR_T): New.
5419 (EXTRA_CONSTRAINT): Use it.
5420 * config/h8300/h8300.md (movqi_push): Remove and integrate into
5421 the existing movqi pattern.
5422 (movhi_push): Likewise.
5424 * reload.c: Fix comment typos.
5426 Mon Jul 23 23:34:07 CEST 2001 Jan Hubicka <jh@suse.cz>
5428 * gcse.c (cprop_insn): Update call of cprop_cc0_jump.
5430 2001-07-23 H.J. Lu (hjl@gnu.org)
5432 * doc/extend.texi: Update __builtin_return_address and
5433 __builtin_frame_address.
5435 2001-07-23 Richard Henderson <rth@redhat.com>
5437 * config/i386/i386.c (ix86_expand_setcc): Don't use method 0
5439 * config/i386/i386.md: New setcc+movzbl peephole2.
5441 2001-07-23 Neil Booth <neil@cat.daikokuya.demon.co.uk>
5443 * objc/Make-lang.in (objc-act.o): Depend on debug.h.
5444 * objc/objc-act.c: Include debug.h.
5445 (synth_module_prologue): Save and restore debug hooks too.
5447 2001-07-23 lars brinkhoff <lars@nocrew.org>
5449 * tm.texi (TARGET_FLOAT_FORMAT): Document IBM_FLOAT_FORMAT
5450 and C4X_FLOAT_FORMAT.
5451 (BOOL_TYPE_SIZE): Document.
5453 Mon Jul 23 11:54:23 2001 Clinton Popetz <cpopetz@cpopetz.com>
5455 * unroll.c (loop_iterations): Fix miscalculation of initial
5458 2001-07-13 Andrew Haley <aph@redhat.com>
5460 * doc/tm.texi (MD_CAN_REDIRECT_BRANCH): New macro.
5461 * config/sh/sh.h (MD_CAN_REDIRECT_BRANCH): New macro.
5462 * config/sh/sh.c (sh_can_redirect_branch): New function.
5463 * config/sh/sh-protos.h (sh_can_redirect_branch): Declare.
5464 * reorg.c (steal_delay_list_from_target): Use
5465 MD_CAN_REDIRECT_BRANCH to see if redirection is possible.
5467 Mon Jul 23 17:20:18 CEST 2001 Jan Hubicka <jh@suse.cz>
5469 * flow.c (try_simplify_condjump): Unlink insn chain on
5470 fallthru edge; use can_fallthru.
5472 Mon Jul 23 16:03:19 CEST 2001 Jan Hubicka <jh@suse.cz>
5474 * basic-block.h (find_sub_basic_block): Declare.
5475 * flow.c (make_edges): New arguments MIN and MAX;
5476 (find_sub_basic_blocks): Revamp to use make_edges
5477 and purge_dead_edges.
5478 (find_basic_blocks): Update call of find_sub_basic_block.
5480 * recog.c (split_all_insns): Always expect CFG to be consistent;
5481 call find_sub_basic_blocks in case something has changed.
5482 * toplev.c (rest_of_compilation): Always call split_all_insns once CFG
5485 * basic-block.h (delete_noop_moves): Declare.
5486 * combine.c (combine_instructions): Call it.
5487 (recog_for_combine): Tolerate noop moves
5488 (distribute_notes): Force refresh when register dies at noop move.
5489 * flow.c (delete_noop_moves): Use BB structure; delete JUMP insns
5491 (life_analysis): Update delete_noop_moves call.
5492 (set_noop_p): Move too ...
5493 * rtlanal.c (noop_move_p): ... here.
5494 * rtl.h (noop_move_p): Declare.
5496 * basic-block.h (purge_all_dead_edges, purge_dead_edges): New functions.
5497 * toplev.c (rest_of_compilation): Conditionally call purge_all_dead_edges
5499 * gcse.c (cprop_cc0_jump, cprop_insn): New argument "basic_block".
5500 (cprop_jump): Likewise; call purge_dead_edges if substitution suceeded.
5502 2001-07-23 Hans-Peter Nilsson <hp@bitrange.com>
5504 * reload.c (push_reload): Fix typo in comment.
5505 (find_reloads_address): Ditto.
5506 (reg_overlap_mentioned_for_reload_p): Ditto in head comment.
5508 2001-07-22 Richard Henderson <rth@redhat.com>
5510 * flow.c: Grammar check and clarify a lot of comments.
5511 (try_simplify_condjump): Rename variables to be clearer.
5512 (try_forward_edges): Skip complex and fallthru edges.
5513 Rearrange tests to avoid duplicate checks.
5514 (flow_find_cross_jump): Likewise.
5515 (outgoing_edges_match): Allow match if neither branch has
5516 probability data. Loosen probability match to 5%.
5517 (try_crossjump_to_edge): Hoist repeated indirection into
5519 (try_crossjump_bb): Don't check complex edges. Eliminate
5520 redundant crossjump tests.
5521 (try_optimize_cfg): Fix use of bool. Reorganize cheaper
5522 checks before more expensive checks.
5524 2001-07-22 Richard Henderson <rth@redhat.com>
5526 * fold-const.c (fold): Test vs FLOAT_TYPE_P instead of
5527 INTEGRAL_TYPE_P when folding comparisons with operand_equal_p
5530 2001-07-22 Richard Henderson <rth@redhat.com>
5532 * m68k.c (const_uint32_operand): Abort if mode is <= 32 bits.
5533 (const_sint32_operand): Likewise.
5534 * m68k.md (anon mulsi pattern): Use const_int_operand not
5535 const_sint32_operand.
5536 (umulsi3_highpart): Zero extend a constant input.
5537 (smulsi3_highpart): Don't bother checking SImode constant.
5538 (const_umulsi3_highpart): Give op3 DImode.
5539 (const_smulsi3_highpart): Likewise.
5541 2001-07-22 Richard Henderson <rth@redhat.com>
5543 * flow.c (split_block): Make sure bb_note is included in the
5544 new block when splitting before a label.
5546 Sun Jul 22 23:28:56 CEST 2001 Jan Hubicka <jh@suse.cz>
5548 * basic-block.h (redirect_edge_and_branch_force,
5549 redirect_edge_and_branch, block_label, forwarder_block_p): Declare.
5550 * flow.c (redirect_edge_and_branch_force,
5551 redirect_edge_and_branch, block_label, forwarder_block_p): Make global.
5552 (redirect_edge_and_branch_force): Fix copying of lifeness information.
5553 (block_label): Handle EXIT_BLOCK_PTR by returning NULL.
5554 * ifcvt.c (dead_or_predictable): Take BB as an new destionation
5555 instead of label; update CFG after transformation.
5556 (find_if_case_1): Update call, use redirect_edge_and_branch_force
5557 for finishing the transformation; handle even case where ELSE
5558 does not follow THEN.
5559 (find_if_case_2): Update call of dead_or_predictable; simplify
5562 * emit-rtl.c (split_branch_probability): New global variable.
5563 (try_split): Take care to set split_branch_probability and
5564 create REG_BR_PROB note for new jump insns.
5565 * md.texi (define_split): Document new feature.
5567 * i386.c (ix86_split_fp_branch): Redistribute branch probability notes.
5569 2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
5571 * varasm.c: Don't inlcude dbxout.h, sdbout.h or xcoffout.h.
5572 (asm_out_file): Remove redundant declaration.
5573 (assemble_asm): Remove old #if 0 block.
5574 (assemble_variable): Remove end of function; debug output is
5575 now handled with global_decl. Remove old #if 0 block. Update.
5576 Remove saved_in_section and associated no-op code.
5577 * Makefile.in (varasm.o): Correct dependencies.
5579 Sun Jul 22 17:55:11 2001 Alexandre Oliva <aoliva@redhat.com>
5581 * config/i386/freebsd-aout.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
5582 the definition in defaults.h.
5584 Sun Jul 22 21:31:04 CEST 2001 Jan Hubicka <jh@suse.cz>
5586 * jump.c: Update comments.
5587 (delete_barrier_successors, delete_unreferenced_labels,
5588 delete_noop_moves, tension_vector_labels, delete_from_jump_chain,
5589 delete_labelref_insn, redirect_tablejump, jump_optimize_1,
5590 jump_optimize, jump_optimize_minimal): Kill.
5591 (rebuild_jump_labels): Move code from jump_optimize_1.
5592 (purge_line_number_notes): Likewise.
5593 (copy_loop_headers): Likewise.
5594 * reg-stack.c: Update comment.
5596 * rtl.h (jump_optimize, jump_optimize_1, JUMP_NOOP_MOVES,
5597 JUMP_AFTER_REGSCAN): Kill.
5598 * toplev.c (rest_of_compilation): Use cleanup_cfg, call
5599 purge_line_number_notes and copy_loop_headers.
5601 2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
5602 Richard Henderson <rth@redhat.com>
5604 * dbxout.c (dbxout_global_decl): New.
5605 (xcoff_debug_hooks, dbx_debug_hooks): Use it.
5606 * sdbout.c (sdbout_finish): New.
5607 (sdbout_debug_hooks): Use it, add comments.
5608 (sdbout_global_decl): Defer initialised public vars to
5610 * varasm.c (assemble_variable): Don't output debug information
5611 for file-scope variables.
5613 2001-07-22 Richard Henderson <rth@redhat.com>
5615 * config/alpha/alpha.c (get_trap_mode_suffix): New.
5616 (get_round_mode_suffix): New.
5617 (print_operand): Use them for [/]. Remove support for [&'`()+].
5618 * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Update.
5619 * config/alpha/alpha.md (attr round_suffix): New.
5620 (attr trap_suffix): New.
5621 (all insns): Set them appropriately. Use %/ instead of the
5624 2001-07-22 Neil Booth <neil@cat.daikokuya.demon.co.uk>
5626 * dbxout.c, sdbout.c, varasm.c: Revert most recent debug patch.
5628 2001-07-22 Richard Henderson <rth@redhat.com>
5630 * regrename.c (regrename_optimize): Compute nregs for each
5631 potential target register.
5633 2001-07-21 Neil Booth <neil@daikokuya.demon.co.uk>
5634 Richard Henderson <rth@redhat.com>
5636 * dbxout.c (dbxout_global_decl): New.
5637 (xcoff_debug_hooks, dbx_debug_hooks): Use it.
5638 * sdbout.c (sdbout_finish): New.
5639 (sdbout_debug_hooks): Use it, add comments.
5640 (sdbout_global_decl): Defer initialised public vars to
5642 * varasm.c (assemble_variable): Don't output debug information
5643 for file-scope variables.
5645 2001-07-21 H.J. Lu (hjl@gnu.org)
5647 * config/mips/mips.c (mips_cpu): Moved into ...
5648 (override_options): Here.
5650 * config/mips/mips.h (mips_cpu_attr): Replace mips_cpu with
5652 (mips_cpu): Removed.
5654 2001-07-21 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5656 * config/m68hc11/m68hc11.md ("andqi3"): Accept d as second operand.
5657 ("iorqi3"): Likewise.
5658 ("xorqi3"): Likewise.
5659 ("*addhi3"): Fix constraint to avoid reloading in a soft register.
5660 ("*subhi3_sp): Likewise.
5661 ("*subhi3"): Likewise.
5662 ("extendhisi2"): Accept D, X and Y as source operand to avoid
5665 2001-07-21 Nathan Sidwell <nathan@codesourcery.com>
5667 * doc/tm.texi: Remove DEFAULT_VTABLE_THUNKS.
5668 * config/freebsd.h: Likewise.
5669 * config/linux.h: Likewise.
5670 * config/openbsd.h: Likewise.
5671 * config/alpha/linux-elf.h: Likewise.
5672 * config/arm/linux-elf.h: Likewise.
5673 * config/d30v/d30v.h: Likewise.
5674 * config/fr30/fr30.h: Likewise.
5675 * config/ia64/aix.h: Likewise.
5676 * config/ia64/ia64.h: Likewise.
5677 * config/mips/linux.h: Likewise.
5678 * config/pj/pj.h: Likewise.
5679 * config/rs6000/linux.h: Likewise.
5680 * config/sparc/linux.h: Likewise.
5681 * config/sparc/linux64.h: Likewise.
5683 2001-07-20 Bruce Korb <bkorb@gnu.org>
5685 * fixinc/fixincl.c(test_for_changes): force unsigned char comparisons
5686 because getc() and char* may disagree on signedness.
5688 2001-07-20 Richard Henderson <rth@redhat.com>
5690 * doc/rtl.texi (REG_DEAD): Update for current semantics.
5692 * flow.c (try_redirect_by_replacing_jump): Correctly compute which
5693 insns to delete in the presence of cc0 in a jump insn.
5695 Fri Jul 20 22:14:49 CEST 2001 Roman Zippel <zippel@linux-m68k.org>
5696 Jan Hubicka <jh@suse.cz>
5698 * m68k.md (zero_extend?i?i2 expander): Use gen_lowpart instead
5699 of doing the change by hand.
5701 Fri Jul 20 21:59:42 CEST 2001 Jan Hubicka <jh@suse.cz>
5703 * rtlanal.c (set_noop_p): Return true for noop jumps.
5705 * expr.c (emit_single_push_insn): Add call to push expander.
5706 * expr.h (optab_index): Add OTI_push
5707 (push_optab): New constant.
5708 * genopinit.c (optabs): Add push_optab.
5709 * optabs.c (init_optab): Init push optab.
5710 * md.texi (push??1): Document
5712 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5714 * config/m68hc11/m68hc11.md ("movdi", "movdi_internal"): Use an
5715 expand to emit the pattern; put a REG_INC note for push/pop
5717 ("movdf", "movdf_internal"): Likewise.
5718 ("movsi", "movsi_internal"): Likewise.
5719 ("movsf", "movsf_internal"): Likewise.
5720 ("movhi", "movqi"): Emit a REG_INC note for push/pop instructions.
5722 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5724 * config/m68hc11/m68hc11.c (m68hc11_gen_highpart): Don't use
5727 2001-07-20 Daniel Berlin <dan@cgsoftware.com>
5729 * params.def: Change default max inline insns to 100.
5731 2001-07-20 Diego Novillo <dnovillo@redhat.com>
5733 * combine.c (combine_simplify_rtx): Generate a new shift operation
5734 when simplifying the first operand of a (neg (ashift)) expression.
5736 2001-07-20 Roman Lechtchinsky <rl@cs.tu-berlin.de>
5738 * regclass.c (N_REG_INTS): Use only 32 bits per element.
5740 2001-07-20 Kelley Cook <kelley.cook@home.com>
5742 * doc/install.texi (sparc-sun-solaris*): Add in 4.x assembler bug
5743 information. Move rest into ...
5744 (*-*-solaris): ... here. Eliminate redundant information and
5745 reword necessary packages section. Delete 4.x assembler bug info.
5746 (sparc-sun-*): Merge into ...
5747 (sparc-sun-sunos*): here.
5749 2001-07-20 Catherine Moore <clm@redhat.com>
5751 * config/v850/v850.md (casesi): Generate LABEL_REF
5754 Fri Jul 20 14:12:57 CEST 2001 Jan Hubicka <jh@suse.cz>
5756 * i386-protos.h (ix86_zero_extend_to_Pmode): Declare.
5757 * i386.c (ix86_zero_extend_to_Pmode): Make global.
5758 * i386.md (strclrsi expander): Use it.
5760 Fri Jul 20 13:24:16 CEST 2001 Jan Hubicka <jh@suse.cz>
5762 * integrate.c (copy_insn_list): handle
5763 NOTE_INSN_DELETED_LABEL, as if it were CODE_LABEL.
5764 (copy_rtx_and_substitute): Likewise; behave to NOTE_INSN_DELETED_LABEL
5765 identically as to CODE_LABEL.
5767 * fold-const (fold): Convert A/B/C to A/(B*C) and
5770 * except.c (connect_post_landing_pads): Delete the RESX insns.
5772 2001-07-20 Aldy Hernandez <aldyh@redhat.com>
5774 * config/mips/mips.h (ISA_HAS_NMADD_NMSUB): New macro.
5776 * config/mips/mips.md (nmadd/nmsub): Use macro.
5778 2001-07-20 Nathan Sidwell <nathan@codesourcery.com>
5780 * cppinit.c (remove_dup_dir): Make static.
5781 (remove_dup_dirs): Make static. Only warn about preempting a
5782 system directory with a non-system directory.
5784 2001-07-19 Geoffrey Keating <geoffk@redhat.com>
5786 * ifcvt.c (noce_try_store_flag_constants): Correct order
5787 of parameters to trunc_int_for_mode.
5789 2001-07-19 Mark Mitchell <mark@codesourcery.com>
5791 * reorg.c (fill_simple_delay_slots): If an instruction might throw
5792 an exception that will be caught within this function, do not fill
5793 its delay slot with any subsequent instruction.
5795 2001-07-19 Steve Ellcey <sje@cup.hp.com>
5797 * tm.texi (POINTERS_EXTEND_UNSIGNED) Modify definition.
5798 * optabs.c (can_extend_p) Check HAVE_ptr_extend for a specialized
5799 pointer extension instruction.
5800 * combine.c (nonzero_bits,num_sign_bit_copies) Likewise.
5801 * simplify-rtx.c (simplify_unary_operation) Likewise.
5802 * explow.c (convert_memory_address) Check value of
5803 POINTERS_EXTEND_UNSIGNED to avoid some conversions when
5805 * config/ia64/t-hpux (LIBGCC, INSTALL_LIBGCC, MULTILIB_OPTIONS,
5806 MULTILIB_DIRNAMES, MULTILIB_MATCHES) Add multilib support.
5807 * config/ia64/hpux.h (CPP_SPEC, ASM_SPEC, SUBTARGET_SWITCHES)
5808 Add Multilib Support.
5809 (POINTERS_EXTEND_UNSIGNED) Define for ILP32 support.
5810 * config/ia64/ia64.h (MASK_ILP32, TARGET_ILP32, SUBTARGET_SWITCHES)
5811 Add Multilib Support.
5812 (POINTER_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE) Modify for ILP32
5814 * config/ia64/ia64.c (rtx_needs_barrier) Add support for addp4.
5815 * config/ia64/ia64.md (ptr_extend) New instruction to "swizzle"
5816 a 32 bit HP-UX pointer into a 64 bit HP-UX pointer.
5818 2001-07-19 Alexandre Oliva <aoliva@redhat.com>
5820 * simplify-rtx.c (simplify_replace_rtx): Try to obtain mode from
5821 old and new operands in `<', `3' and `b'.
5823 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
5825 * Makefile.in (emit-rtl.o, c-decl.o): Depend on debug.h.
5826 (final.o): Don't depend on xcoffout.h, dbxout.h or sdbout.h.
5827 (toplev.o): Don't depend on xcoffout.h.
5828 * c-decl.c: Include debug.h
5829 (duplicate_decls): Use debug hook.
5830 * dbxout.c (dbxout_source_file, dbxout_args): Make static.
5831 (dbx_debug_hooks, xcoff_debug_hooks): Update.
5832 (dbxout_types): Remove.
5833 * dbxout.h (dbxout_source_file, dbxout_types, dbxout_args): Remove.
5834 * debug.c (do_nothing_debug_hooks): Update.
5835 (debug_true_tree, debug_nothing_rtx): New.
5836 * debug.h (struct rtx_def): New.
5837 (struct gcc_debug_hooks): New hooks ignore_block,
5838 outlining_inline_function and label.
5839 (debug_true_tree, debug_nothing_rtx, dwarf2out_frame_init,
5840 dwarf2out_frame_finish): New.
5841 * dwarf2out.c (dwarf2out_ignore_block, dwarf2out_abstract_function):
5842 Make static, update prototype.
5843 (dwarf2_debug_hooks): Update.
5844 * dwarf2out.h (dwarf2out_ignore_block, dwarf2out_abstract_function,
5845 dwarf2out_frame_init, dwarf2out_frame_finish): Remove.
5846 * dwarfout.c (dwarf_debug_hooks): Update.
5847 * emit-rtl.c: Include debug.h.
5848 (remove_unnecessary_notes): Use debug hook.
5849 * final.c: Don't include dbxout.h, xcoffout.h or sdbout.h.
5850 (final_scan_insn): Use debug hook.
5851 * integrate.c (output_inline_function): Use debug hook.
5852 * sdbout.c (sdbout_toplevel_data, sdbout_label): Make static.
5853 (sdb_debug_hooks): Update.
5854 * sdbout.h (sdbout_label, sdbout_toplevel_data): Remove.
5855 * toplev.c: Don't include xcoffout.h.
5856 (note_outlining_of_inline_function, debug_ignore_block): Remove.
5857 * toplev.h (note_outlining_of_inline_function, debug_ignore_block):
5859 * tree.h (dwarf2out_do_frame): Remove.
5861 2001-07-19 Catherine Moore <clm@cygnus.com>
5863 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Restore.
5865 2001-07-19 Geoffrey Keating <geoffk@redhat.com>
5867 * reload1.c (eliminate_regs_in_insn): When updating a set
5868 to the frame pointer to the hardware frame pointer, perform
5869 the update always not just when REPLACE is set.
5871 * reload1.c (choose_reload_regs): Don't inherit a reload
5872 that crosses multiple registers if registers past the first
5873 don't fit in the desired class.
5875 * ifcvt.c (noce_try_store_flag_constants): Use trunc_int_for_mode
5876 when negating constants.
5878 2001-07-19 Toon Moene <toon@moene.indiv.nluug.nl>
5880 * tree.def: Document restriction on {L|R}SHIFT_EXPR's second argument.
5881 * doc/tree.texi: Ditto.
5883 2001-07-19 Mark Kettenis <kettenis@wins.uva.nl>
5884 Jakub Jelinek <jakub@redhat.com>
5886 * unwind-dw2.c (_Unwind_FrameState): Add eh_ptr.
5887 (extract_cie_info): Handle "eh" augmentation properly,
5889 (struct frame_state, __frame_state_for): New.
5891 2001-07-19 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5893 * config/alpha/osf.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL,
5894 HANDLE_SYSV_PRAGMA): Define.
5895 * mips-tfile.c (add_ext_symbol): Pass complete symbol ptr, inline
5897 (copy_object): Caller changed.
5899 2001-07-19 Andreas Schwab <schwab@suse.de>
5901 * configure.in (assembler dwarf2 debug_line support): Define nop
5903 * configure: Regenerated.
5905 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
5907 * Makefile.in (toplev.o, dwarfout.o, final.o): Don't depend on
5909 * dbxout.c (dbxout_function): Rename dbxout_funciton_decl, move
5910 to conditionally compiled block.
5911 (dbx_debug_hooks, xcoff_debug_hooks): Update.
5912 * dbxout.h (dbxout_function): Remove.
5913 * debug.c (do_nothing_debug_hooks): Update.
5914 * debug.h (struct gcc_debug_hooks): New hooks function_decl,
5915 global_decl, deferred_inline_function.
5916 * dwarf2out.c (dwarf2_debug_hooks): Update.
5917 (dwarf2out_global_decl): New.
5918 * dwarfout.c: Don't include dwarfout.h.
5919 (dwarfout_global_decl, dwarfout_function_decl,
5920 dwarfout_deferred_inline_function): New.
5921 (dwarf_debug_hooks): Update.
5922 * dwarfout.h: Remove.
5923 * final.c: Don't include dwarfout.h.
5924 * sdbout.c (sdbout_global_decl): New.
5925 (sdbout_debug_hooks): Update.
5926 * toplev.c: Don't include dwarfout.h.
5927 (check_global_declarations, rest_of_compilation): Use new debug hooks.
5928 (note_deferral_of_defined_inline_function): Remove.
5929 * toplev.h (note_deferral_of_defined_inline_function): Remove.
5930 * ch/Makefile.in (lex.o): No dependence on dwarfout.h.
5931 * ch/lex.c: Don't include dwarfout.h.
5932 * cp/Make-lang.in (decl2.o): No dependence on dwarfout.h, dwarf2out.h.
5933 (semantics.o, optimize.o): Depend on debug.h not dwarfout.h.
5934 * cp/decl2.c: Don't include dwarfout.h and dwarf2out.h.
5935 * cp/optimize.c: Include debug.h.
5936 (maybe_clone_body): Use debug hook.
5937 * cp/semantics.c: Include debug.h.
5938 (expand_body): Use debug hook.
5939 * po/POTFILES.in: Remove dwarfout.h.
5941 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
5943 * c-lex.c (c_lex): Remove CPP_INT, CPP_FLOAT cases.
5944 * c-parse.in (yyerror, _yylex): Similarly.
5945 * cppexp.c (parse_number, parse_defined, lex, _cpp_parse_expr):
5946 Don't use CPP_INT, CPP_FLOAT; CPP_NUMBER is enough.
5948 * cpplib.h (CPP_INT, CPP_FLOAT): Remove.
5949 * cp/spew.c (read_token, yyerror): Remove CPP_INT, CPP_FLOAT cases.
5951 2001-07-18 Jeff Sturm <jsturm@one-point.com>
5953 * dwarf2out.c (dwarf2out_abstract_function): Don't emit
5954 in-class declaration at -g1. Fixes c++/2814.
5956 2001-07-18 Richard Henderson <rth@redhat.com>
5958 * doc/md.texi (reload_in/out): Document restrictions in predicates
5959 and constraints for these patterns. Document empty string matching
5962 2001-07-18 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5964 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Check for ASM_WEAKEN_LABEL.
5966 Wed Jul 18 20:47:36 CEST 2001 Jan Hubicka <jh@suse.cz>
5968 * cse.c: Undo my previous patch.
5970 2001-07-18 Tom Tromey <tromey@redhat.com>
5973 * configure: Rebuilt.
5974 * configure.in: Don't check for iconv.h or iconv(); use AM_ICONV
5976 * aclocal.m4 (AM_ICONV): New macro from Bruno Haible.
5978 Wed Jul 18 18:46:30 CEST 2001 Richard Henderson <rth@cygnus.com>
5979 Jan Hubicka <jh@suse.cz>
5981 * flow.c (redirect_edge_and_branch): Bail out on complex edges.
5982 (try_optimize_cfg): Do not remove tail recursive labels before sibcall.
5983 * jump.c (mark_jump_label): Do not forward branches.
5985 Wed Jul 18 18:35:01 CEST 2001 Jan Hubicka <jh@suse.cz>
5987 * cse.c (delete_trivially_dead_insns): Delete the libcall block
5988 when return value is unused.
5990 Wed Jul 18 18:28:16 CEST 2001 Jan Hubicka <jh@suse.cz>
5992 * gcse.c (pre_insert_copy_insn): Call update_ld_motion_stores.
5994 Wed Jul 18 12:05:29 2001 Nicola Pero <n.pero@mi.flashnet.it>
5996 * gthr-posix.h (__gthread_objc_mutex_trylock): Fixed return value
5997 on error. We can't blindly return the result of
5998 pthread_mutex_trylock because it returns a positive number on
5999 error, while we must return -1 on error.
6000 (__gthread_objc_mutex_lock, __gthread_objc_mutex_unlock): Similar
6002 Reported by Stephen Brandon <stephen@brandonitconsulting.co.uk>.
6004 2001-07-18 Andreas Jaeger <aj@suse.de>
6006 * integrate.c (output_inline_function): Correct type of debug_hooks.
6008 2001-07-18 Toon Moene <toon@moene.indiv.nluug.nl>
6010 * combine.c (combine_simplify_rtx): DIV can be treated
6011 associatively for floats if unsafe math optimisations are enabled.
6013 2001-07-17 Richard Henderson <rth@redhat.com>
6015 * reload.c (push_secondary_reload): Accept empty-string for ALL_REGS.
6017 2001-07-17 Richard Henderson <rth@redhat.com>
6019 * calls.c (prepare_call_address): New parameter SIBCALLP. If true,
6020 don't force the function address into a register.
6021 (expand_call, emit_library_call_value_1): Update callers.
6022 * builtins.c (expand_builtin_apply): Likewise.
6023 * expr.h (prepare_call_address): Update decl.
6025 2001-07-17 Chandrakala Chavva <cchavva@redhat.com>
6027 * config.gcc: For *-*-chorusos triplet, get chorus.h file from
6029 * config/i386/chorus.h: Move up.
6030 * config/sparc/chorus.h: Likewise.
6031 * config/rs6000/chorus.h: Likewise.
6032 * config/chorus.h: Moved here.
6034 2001-07-17 Andreas Schwab <schwab@suse.de>
6036 * configure.in (assembler eh_frame optimization): Handle big
6038 * configure: Regenerated.
6040 Tue Jul 17 23:43:31 CEST 2001 Jan Hubicka <jh@suse.cz>
6042 * expr.c (epxand_expr): Convert divisions into multiplications by
6043 reciprocals if -ffast-math.
6045 2001-07-17 Neil Booth <neil@daikokuya.demon.co.uk>
6047 * dbxout.c (dbxout_really_begin_function): Rename to
6048 dbxout_begin_function.
6049 (dbx_debug_hooks, xcoff_debug_hooks): Update.
6050 (dbxout_begin_function): Remove.
6051 (dbxout_function): Update.
6052 (dbxout_source_line): Update prototype.
6053 * dbxout.h (dbxout_begin_function): Remove.
6054 * debug.c (do_nothing_debug_hooks): Update.
6055 (debug_nothing_tree): Update.
6056 (debug_nothing_charstar_rtx): Remove.
6057 * debug.h (union tree_node): Declare.
6058 (struct rtx_def): Remove.
6059 (gcc_debug_hooks): New hooks begin_prologue, end_prologue,
6060 begin_function. Change source_line prototype.
6061 (debug_nothing_tree): New.
6062 (debug_nothing_charstar_rtx): Delete.
6063 (dwarf2out_begin_prologue): Moved from ...
6065 * dwarf2out.c (dwarf2_debug_hooks): Update.
6066 (dwarf2out_begin_prologue): Update prototype. If genuine dwarf2
6067 debug info, call dwarf2out_source_line.
6068 (dwarf2out_souce_line): Update prototype.
6069 * dwarfout.c (dwarfout_begin_function): Rename dwarfout_end_prologue.
6070 Change prototype, make static.
6071 (dwarfout_source_line): Update prototype.
6072 (dwarf_debug_hooks): Update.
6073 * dwarfout.h (dwarfout_begin_function): Remove.
6074 * final.c (final_start_function, final_scan_insn): Use appropriate
6075 debug hooks, update to use notice_source_line.
6076 (output_source_line): Rename notice_source_line. Don't call the
6077 source_line debug hook.
6078 * sdbout.c (sdbout_begin_function): Rename sdbout_begin_prologue,
6079 make static, update prototype.
6080 (sdbout_mark_begin_function): Rename sdbout_begin_function, update
6082 (sdbout_end_prologue): New.
6083 (sdbout_source_line): Update prototype.
6084 (sdbout_debug_hooks): Update.
6085 (sdbout_symbol): Remove unused var.
6086 * sdbout.h (sdbout_begin_function, sdbout_mark_begin_function):
6088 * varasm.c: Include debug.h.
6089 (assemble_start_function): Use begin_function debug_hook.
6090 * xcoffout.c (xcoffout_begin_prologue): Rename xcoffout_begin_function,
6091 update with prototype.
6092 (xcoffout_source_line): Update prototype.
6093 * xcoffout.h (xcoffout_begin_prologue): Rename xcoffout_begin_function,
6095 (xcoffout_source_line): Update prototype.
6097 2001-07-17 Richard Henderson <rth@redhat.com>
6099 * c-typeck.c (build_binary_op): Do not shorten unsigned
6100 right shift after sign extension.
6102 Tue Jul 17 16:56:05 CEST 2001 Jan Hubicka <jh@suse.cz>
6104 * combine.c (combine_simplify_rtx): Attempt to simplify
6105 a*(b/c) as (a*b)/c for floats in unsafe_math mode.
6107 * simplify-rtx.c (avoid_constatn_pool_reference): New static function.
6108 (simplify_binary_operation, simplify_unary_operation,
6109 simplify_relational_operation): Use it.
6111 * combine.c (combine_simplify_rtx): Don't do associative law
6112 on divisions; allow associative law on floats.
6114 2001-07-17 H.J. Lu <hjl@gnu.org>
6115 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6117 * c-pragma.h (HANDLE_PRAGMA_WEAK): Define iff ASM_WEAKEN_LABEL and
6118 ASM_OUTPUT_WEAK_ALIAS are defined.
6119 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Define if possible.
6120 * config/mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL):
6122 * config/mips/iris5.h: ... here.
6123 (HANDLE_SYSV_PRAGMA): Defined as 1.
6124 * varasm.c (weak_finish): Use ASM_OUTPUT_WEAK_ALIAS.
6125 * doc/tm.texi (ASM_OUTPUT_WEAK_ALIAS): Support the undefined weak
6128 2001-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
6130 * c-parse.in (all_prefix_attributes): New variable.
6131 (PUSH_DECLSPEC_STACK, POP_DECLSPEC_STACK): New macros.
6132 (maybe_resetattrs): New production.
6133 (c_parse_init, datadef, fndef, datadecl, setspecs, setattrs, decl,
6134 maybe_type_quals_setattrs, initdecls, notype_initdecls, initdcl,
6135 notype_initdcl, nested_function, notype_nested_function,
6136 component_decl, components, components_notype,
6137 component_declarator, component_notype_declarator,
6138 absdcl_maybe_attribute, parm, firstparm, setspecs_fp, ivar_decl,
6139 ivars, mydecl, myparm): Update. Avoid prefix attributes just
6140 after a comma being applied to more than one declarator.
6141 * doc/extend.texi (Attribute Syntax): Update. Remove
6142 documentation of bugs that are no longer present.
6144 2001-07-13 Eric Christopher <echristo@redhat.com>
6146 * config/mips/mips.h: Change TUNE_MIPS* options to use
6148 (EXTRA_SPECS): Add cc1_cpu_spec.
6149 * config/mips/mips.md (muldf3): Fix typo.
6151 2001-07-16 Richard Henderson <rth@redhat.com>
6153 * config/m68k/m68k.c: Include expr.h and reload.h.
6154 (print_operand_address) [16 bit int]: Cast INTVAL to int for %d.
6155 [general int]: Use HOST_WIDE_INT_PRINT_DEC.
6157 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
6158 Richard Henderson <rth@redhat.com>
6160 * cse.c (set_live_p): Take INSN argument for cc0; update callers.
6161 (insn_live_p): Fix fall off end of function.
6162 (dead_libcall_p): Remove COUNTS argument; update callers.
6163 (delete_trivially_dead_insns): Remove unused variables.
6165 2001-07-17 Andreas Jaeger <aj@suse.de>
6167 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix output format for
6170 * lcm.c (optimize_mode_switching): Avoid warning for unused
6171 variable if !NORMAL_MODE.
6173 * flow.c (try_crossjump_to_edge): Remove unused variable.
6175 2001-07-16 John David Anglin <dave@hiauly1.hia.nrc.ca>
6177 * inclhack.def (ultrix_atexit_param): New hack to fix ultrix 4.3
6178 atexit declaration in stdlib.h.
6180 2001-07-16 Richard Begg <Richard.Begg@colesmyer.com.au>
6182 * fixinc/inclhack.def(hpux_vsnprintf): brokenness in stdio.h
6184 Mon Jul 16 22:48:00 CEST 2001 Jan Hubicka <jh@suse.cz>
6186 * basic-block.h (CLEANUP_PRE_SIBCALL): New constant.
6187 * except.c (finish_eh_generation): Update call of cleanup_cfg;
6188 do rebuild_jump_labels instead of jump_optimize
6189 * sibcall.c (optimize_sibling_and_tail_recursive_call): Likewise.
6190 * toplev.c (rest_of_compulation): Likewise for -Wreturn_type.
6191 * flow.c (try_optimize_cfg): Remove unneeded code_labels.
6193 * flow.c: Include timevar.h
6194 (find_basic_block): Push/pop timevar;
6195 (cleanup_cfg): Likewise.
6196 * timevar.def (TV_CFG, TV_CLEANUP_CFG): New.
6197 * Makefile: Add dependencies on timevar.h
6199 * integrate.c (save_for_inline): Kill all BASIC_BLOCK notes.
6200 (copy_insn_list): Avoid killing of BASIC_BLOCK notes.
6202 * rtl.h (delete_trivially_dead_insns): Add new parameter.
6203 * toplev.c (rest_of_compilation): Update calls.
6204 * cse.c (set_live_p, insn_live_p, dead_libcall_p): Break out from ...
6205 (delete_trivially_dead_insns): ... here; accept new argument
6206 preserve_basic_blocks; preserve basic blocks if set.
6208 * reg-stack.c (stack_regs_mentioned): Return 0 if
6209 stack_regs_mentioned_data is not initialized.
6210 (reg_to_stack): Make stack_regs_mentioned survive after the
6211 reg-stack is completted; do not call cleanup_cfg.
6212 * toplev.c (rest_of_compilation): Do cleanup_cfg before bb-reorder;
6213 make cleanup_cfg after bb-reorder to output to debug file.
6215 2001-07-16 Richard Henderson <rth@redhat.com>
6217 * regclass.c (init_reg_sets): Use only 32 bits per initializer
6218 from int_reg_class_contents.
6220 2001-07-16 Richard Henderson <rth@redhat.com>
6222 * hard-reg-set.h (regs_invalidated_by_call): Declare.
6223 * regclass.c (regs_invalidated_by_call): Move from cse.c.
6224 (init_reg_sets_1): Move initialization from cse_main.
6225 * cse.c (regs_invalidated_by_call): Move to regclass.c.
6226 (cse_main): Move its initialization also.
6227 * df.c (df_insn_refs_record): Use regs_invalidated_by_call.
6228 * flow.c (propagate_one_insn): Likewise.
6229 * gcse.c (compute_hash_table): Likewise.
6230 (compute_kill_rd, compute_store_table): Likewise.
6231 * sched-deps.c (sched_analyze_1): Likewise.
6233 Mon Jul 16 18:07:07 2001 J"orn Rennecke <amylaar@redhat.com>
6235 * gcse.c (pre_insert_copy_insn): Use gen_move_insn instead of
6238 2001-07-16 Steve Ellcey <sje@cup.hp.com>
6240 * dominance.c (calc_dfs_tree_nonrec): Reverse order of tests
6241 in if statement so we don't access undefined memory.
6243 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
6245 * gcse.c: Update comment at top.
6246 Update comment on mem handling.
6247 mem_last_set, mem_first_set, mem_set_in_block: gone.
6248 Declaration of reg_set_info: gone.
6249 (oprs_unchanged_p): Don't use mem_*set_* anymore. They are
6250 pointless with load_killed_in_block_p (they are *more*
6251 conservative then it, not less, and less accurate).
6252 (oprs_not_set_p): Ditto.
6253 (alloc_gcse_mem): Don't allocate mem_set_in_block
6254 (free_gcse_mem): Don't free it, either.
6255 (record_last_mem_set_info): Update comment in front, remove
6256 mem_*set_* stuff. Note the reason we don't handle stores directly
6258 (compute_hash_table): Update comments to reflect reality. Remove
6259 mem_*set_* references.
6260 (reset_opr_set_tables): Remove mem_*set_* references.
6262 (mark_set): Ditto. Also remove double sets of bitmaps for REG's.
6263 (mark_clobber): Ditto (on both parts, we double set here too).
6264 (expr_killed_p): Remove mem_set_in_block test.
6265 (compute_transp): Remove mem_set_in_block test.
6267 * ssa-ccp.c: (optimize_unexecutable_edges): Add note about removal
6268 of edge, and removal of phi alternative to dump file.
6269 (ssa_ccp_substitute_constants): Add note about register now being
6270 constant, and which uses were replaced in what insns to dump file.
6272 2001-07-16 Andreas Jaeger <aj@suse.de>
6274 * gcov.c (output_data): Use HOST_WIDEST_INT_PRINT_DEC to output
6275 variables of type HOST_WIDEST_INT.
6277 * libgcc2.c (__bb_exit_func): Handle gcov_type as long long.
6278 (__bb_exit_func): Correct type of count_max to avoid overflow.
6279 (num_digits): Handle long long argument.
6281 * combine.c (gen_lowpart_for_combine): Remove unused variable.
6283 2001-07-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
6285 * output.h (sdb_begin_function_line): Restore as an extern
6287 * sdbout.c (sdb_begin_function_line): Make extern.
6289 2001-07-15 Richard Henderson <rth@redhat.com>
6291 * machmode.def (Pmode): Redefine if GENERATOR_FILE.
6292 * genrecog.c (maybe_both_true_mode): New.
6293 (maybe_both_true_2): Use it.
6294 (write_switch): Don't put Pmode in a switch.
6295 * rtl.c (mode arrays): Don't explicitly size them.
6297 Sun Jul 15 14:07:36 CEST 2001 Jan Hubicka <jh@suse.cz>
6299 * toplev.c (rest_of_compilation): Fix register_life_up_to_date
6300 handling; move unconditional splitting before mode switching.
6302 * i386.md (type): Add fistp type.
6303 (i387, length_attr, scheduling definitions): Handle this type.
6304 (fix_trunc?f?i2): Revamp to use mode switching.
6305 (fix_trunct?f?i_nonmemory, fix_trunc?f?i_memory): New patterns.
6306 * i386.h (fp_cw_mode): New enum
6307 (OPTIMIZE_MODE_SWITCHING, NUM_MODES_FOR_MODE_SWITCHING, MODE_NEEDED,
6308 MODE_PRIORITY_TO_MODE, ENUM_MODE_SET): New macros.
6310 Sun Jul 15 12:53:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6312 * Makefile.in (integrate.o): Add debug.h.
6313 * integrate.c (debug.h): Add.
6314 (output_inline_function): Save, reset, and restore debug_hooks.
6316 2001-07-15 Richard Henderson <rth@redhat.com>
6318 * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use CCmode
6319 instead of COMPARE for the EQUIV expression.
6321 2001-07-15 Richard Henderson <rth@redhat.com>
6323 * flow.c (redirect_edge_and_branch_force): Initialize
6324 global_live_at_start and global_live_at_end.
6325 (allocate_bb_life_data): Export.
6326 * basic-block.h (allocate_bb_life_data): Declare.
6327 * toplev.c (rest_of_compilation): Call it.
6329 2001-07-15 Richard Henderson <rth@redhat.com>
6331 * config/alpha/alpha.c (alpha_tablejump_addr_vec): New.
6332 (alpha_tablejump_best_label): New.
6333 * config/alpha/alpha-protos.h: Declare them.
6334 * config/alpha/alpha.md: Use braced strings for code blocks.
6335 (tablejump_osf): Break out add with r29.
6336 (tablejump_osf_internal): Remove.
6337 (tablejump_osf_nt_internal): Rename from tablejump_nt_internal,
6338 use alpha_tablejump_addr_vec and alpha_tablejump_best_label.
6340 Sun Jul 15 00:53:35 CEST 2001 Jan Hubicka <jh@suse.cz>
6342 * loop.c (scan_loop): Add USEs inside PARALLELs into dependencies
6345 * toplev.c (rest_of_compilation): Allow new pseudoes for mode switching.
6347 * i386-protos.h (ix86_split_fp_branch): Update prototype.
6348 (ix86_fp_jump_nontrivial_p): New.
6349 * i386.md (fp_jcc_?): Update call of split_fp_branch;
6350 use ix86_fp_jump_nontrivial_p.
6351 * i386.c (ix86_fp_jump_nontrivial_p): New.
6352 (ix86_split_fp_branch): Accept code instead of rtx.
6353 (ix86_expand_compare): Expand comparison early in case
6354 doing so is resonably cheap.
6356 2001-07-15 Nick Clifton <nickc@cambridge.redhat.com>
6358 * config/rs6000/sysv4.h (CPP_ENDIAN_BIG_SPEC): Assert 'endian'
6360 (CPP_ENDIAN_LITTLE_SPEC): Assert 'endian' not 'machine'.
6361 (CPP_ENDIAN_SOLARIS_SPEC): Assert 'endian' not 'machine'.
6363 2001-07-15 Neil Booth <neil@daikokuya.demon.co.uk>
6365 * dbxout.c (dbxout_source_line): Make static, update prototype.
6366 (dbx_debug_hooks, xcoff_debug_hooks): Add new hooks.
6367 (dbxout_init, dbxout_finish, dbxout_source_line,
6368 dbxout_begin_block, dbxout_end_block): Update for new prototypes.
6369 * dbxout.h (dbxout_source_line): Delete.
6370 * debug.c (debug_nothing_file, debug_nothing_file_int,
6371 debug_nothing_file_charstar_rtx): New.
6372 (do_nothing_debug_hooks): Update.
6373 (debug_nothing_void, debug_nothing_charstar_rtx,
6374 dwarf2out_end_epilogue): New.
6375 (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
6376 * debug.h (struct rtx_def): Declare.
6377 (gcc_debug_hooks): New hooks source_line, end_epilogue
6379 (debug_nothing_void, debug_nothing_charstar_rtx,
6380 dwarf2out_end_epilogue): New.
6381 (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
6382 * dwarf2out.c (dwarf2out_source_line): Make static, update prototype.
6383 (dwarf2_debug_hooks): Update.
6384 (dwarf2out_init, dwarf2out_finish, dwarf2out_source_line,
6385 dwarf2out_begin_block, dwarf2out_end_block): Update for new prototypes.
6386 * dwarf2out.h (dwarf2out_source_line): Remove.
6387 * dwarfout.c (dwarfout_end_epilogue, dwarfout_end_function):
6388 Make static, update prototype.
6389 (dwarfout_init, dwarfout_finish, dwarfout_source_line,
6390 dwarfout_begin_block, dwarfout_end_block): Update for new prototypes.
6391 (dwarf_debug_hooks): Update.
6392 * dwarfout.h (dwarfout_end_epilogue, dwarfout_source_line,
6393 dwarfout_end_function): Remove.
6394 * final.c (profile_function): Use debug hooks for ending functions
6396 (output_source_line, final_end_function): Update prototype,
6398 (final_start_function, final_scan_insn): Update.
6399 * output.h (sdb_begin_function_line): Remove.
6400 (final_end_function): Update prototype.
6401 * sdbout.c (sdb_begin_function_line): Make static.
6402 (PUT_SDB_EPILOGUE_END): Move to sdbout_end_epilogue.
6403 (sdbout_source_line): New.
6404 (sdbout_end_epilogue, sdbout_end_function): Make static, update
6406 (sdb_debug_hooks): Update.
6407 (sdbout_init, sdbout_source_line,
6408 sdbout_begin_block, sdbout_end_block): Update for new prototypes.
6409 * sdbout.h (sdbout_end_epilogue, sdbout_end_function): Remove.
6410 * toplev.c (compile_file, rest_of_compilation): Update.
6411 * tree.h (dwarf2out_end_epilogue): Move to debug.h.
6412 * xcoffout.c (xcoffout_source_line, xcoffout_begin_block,
6413 xcoffout_end_block, xcoffout_end_epilogue, xcoffout_end_function):
6414 Update for prototype changes.
6415 * xcoffout.h (xcoffout_source_line, xcoffout_begin_block,
6416 xcoffout_end_block, xcoffout_end_epilogue): Update prototypes.
6418 2001-07-15 Richard Henderson <rth@redhat.com>
6420 * config/alpha/alpha.h (TARGET_ABI_OSF): New.
6421 (TARGET_ABI_WINDOWS_NT, TARGET_ABI_OPEN_VMS): Rename; update users.
6422 * config/alpha/alpha-protos.h: Update TARGET_ABI_* users.
6423 * config/alpha/alpha.c: Likewise.
6424 * config/alpha/alpha.md: Likewise.
6425 * config/alpha/alpha32.h: Likewise.
6426 * config/alpha/vms.h: Likewise.
6429 2001-07-14 Richard Henderson <rth@redhat.com>
6431 * config/alpha/alpha.md: Use define_constants for unspec values.
6432 Substitute throughout.
6434 2001-07-14 Tim Josling <tej@melbpc.org.au>
6436 * tree.def (EXPON_EXPR) remove. Never supported anyway.
6438 2001-07-14 John David Anglin <dave@hiauly1.hia.nrc.ca>
6440 * pa.md: Remove unused constraints from define_split's.
6442 2001-04-14 Richard Henderson <rth@redhat.com>
6444 * ifcvt.c (find_cond_trap): Test for exit block.
6446 Sun Jul 15 00:50:20 CEST 2001 Jan Hubicka <jh@suse.cz>
6448 Re-install recently reverted patch.
6449 * emit-rtl.c (try_split): Update mark_jump_label call.
6450 * flow.c (find_sub_basic_blocks): Likewise.
6451 * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
6453 (mark_all_labels): Kill second parameter.
6454 (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
6455 (rebuild_jump_labels, jump_optimize_minimal): Update call
6457 (jump_optimize_1): Kill crossjumping code.
6458 (mark_jump_label): Kill cross_jump parameter.
6459 * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
6460 (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
6461 * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
6463 * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
6465 (dump_file_info): Likewise.
6466 (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
6467 reorganize passes to do reg-stack first, bb-reorder second.
6468 * invoke.texi (-d letters doc): Remove the jump2 pass.
6470 2001-07-14 Richard Henderson <rth@redhat.com>
6472 * ifcvt.c (find_cond_trap): New.
6473 (find_if_header): Call it.
6474 (merge_if_block): Relax existing jump sanity check.
6475 * jump.c (jump_optimize_1): Remove conditional trap handling.
6477 2001-07-14 Alan Modra <amodra@bigpond.net.au>
6479 * config/pa/pa.c (emit_hpdiv_const): Return reg is r2 for 64-bit
6481 (insn_refs_are_delayed): Correct comment.
6482 * config/pa/pa.h (INSN_REFERENCES_ARE_DELAYED): Likewise.
6483 * config/pa/pa.md (mulsi3): If TARGET_64BIT, clobber r2
6484 instead of r31. Make associated insn !TARGET_64BIT, and
6485 provide an additional 64-bit insn that clobbers r2.
6487 (udivsi3): Likewise.
6489 (umodsi3): Likewise.
6491 Sat Jul 14 02:58:38 CEST 2001 Jan Hubicka <jh@suse.cz>
6493 * bb-reorder.c (skip_insn_after_block): Get past the line number notes.
6495 * flow.c (redirect_edge_and_branch_force, split_edge,
6496 try_crossjump_to_edge): Use set_block_for_new_insns.
6497 * bb-reorder.c (emit_jump_to_block_after): Call set_block_for_new_insns.
6499 2001-07-13 H.J. Lu (hjl@gnu.org)
6501 * config/elfos.h (UNIQUE_SECTION): Enable .bss section with
6504 2001-07-13 Geoffrey Keating <geoffk@redhat.com>
6506 Revert H.J. Lu's UNIQUE_SECTION patch of 2001-07-13.
6508 2001-07-13 Joseph S. Myers <jsm28@cam.ac.uk>
6510 * c-common.c (decl_attributes): Take a pointer to the node to
6511 which attributes are to be attached, and a flags argument.
6512 * c-common.h (enum attribute_flags): New.
6513 (decl_attributes): Update prototype.
6514 * c-decl.c (start_decl, push_parm_decl, finish_struct,
6515 finish_enum, start_function): Update calls to decl_attributes.
6516 * c-parse.in (component_declarator, component_notype_declarator,
6517 label): Update calls to decl_attributes.
6519 Fri Jul 13 23:04:00 2001 Denis Chertykov <denisc@overta.ru>
6521 * config/avr/avr.md (strlenhi): PARALLEL keyword removed.
6522 * config/avr/avr.c (legitimate_address_p): Return value changed
6523 from letter to register classes. For better debugging.
6525 2001-07-13 Kazu Hirata <kazu@hxi.com>
6527 * jump.c (reversed_comparison_code_parts): Fix comment typos.
6529 2001-07-13 H.J. Lu (hjl@gnu.org)
6531 * config/elfos.h (UNIQUE_SECTION): Enable .bss section.
6533 2001-07-13 Marc Espie <espie@cvs.openbsd.org>
6535 * config.gcc (*-*-openbsd*): Add fragment to compile libgcc
6536 correctly for shared configurations.
6537 * config/t-libgcc-pic: New.
6538 * config/{i386,m68k,sparc}/t-openbsd: New.
6539 * config/openbsd.h: Include cpu_spec in cpp_spec where needed.
6540 Support -shared. Support debugging libraries with -g.
6541 * config/i386/openbsd.h: Correct ASM_COMMENT_START. Ensure dwarf2
6542 frame information does not emit pointer diffs.
6543 * config/sparc/openbsd.h: Ensure dwarf2 frame information does not
6546 2001-07-13 Geoffrey Keating <geoffk@redhat.com>
6548 Revert Jan Hubicka's patch of Fri Jul 13 14:46:21 CEST 2001.
6550 2001-07-13 David Edelsohn <edelsohn@gnu.org>
6552 * combine.c (try_combine): Ensure const_int pow2 is positive.
6554 2001-07-13 Hartmut Penner <hpenner@de.ibm.com>
6556 * config.gcc: Add configuration for s/390.
6557 * config/s390/s390.c: New. Subroutines for code generation.
6558 * config/s390/s390.h: New. Definitions for s/390.
6559 * config/s390/s390-protos.h: New. Prototypes.
6560 * config/s390/linux.h: New. Definitions for linux for s/390.
6561 * config/s390/linux64.h: New. Definitions for linux for zSeries.
6562 * config/s390/t-linux: New. Makefile fragment.
6563 * config/s390/s390.md: New. Machine description for s/390 and zSeries.
6564 * config/s390/fixdfdi.h: New. Fix L_fix*di.
6566 Fri Jul 13 14:46:21 CEST 2001 Jan Hubicka <jh@suse.cz>
6568 * emit-rtl.c (try_split): Update mark_jump_label call.
6569 * flow.c (find_sub_basic_blocks): Likewise.
6570 * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
6572 (mark_all_labels): Kill second parameter.
6573 (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
6574 (rebuild_jump_labels, jump_optimize_minimal): Update call
6576 (jump_optimize_1): Kill crossjumping code.
6577 (mark_jump_label): Kill cross_jump parameter.
6578 * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
6579 (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
6580 * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
6582 * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
6584 (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
6585 reorganize passes to do reg-stack first, bb-reorder second.
6586 * invoke.texi (-d letters doc): Remove the jump2 pass.
6588 2001-07-12 Steve Ellcey <sje@cup.hp.com>
6590 * toplev.c (compile_file): Put call of ASM_FILE_START inside ifdef.
6592 Thu Jul 12 17:57:16 CEST 2001 Jan Hubicka <jh@suse.cz>
6594 * flow.c (try_optimize_cfg): Delete whole chain of trivially dead
6596 (verify_flow_info): Make diagnostics prettier.
6598 Thu Jul 12 16:48:54 CEST 2001 Jan Hubicka <jh@suse.cz>
6600 * flow.c (find_basic_blocks_1): Do not emit NOP after call.
6602 * flow.c (outgoing_edges_match): Return early if condition reversal
6605 2001-07-06 Richard Sandiford <rsandifo@redhat.com>
6607 * config/mips/mips.c (print_operand): Extend '%D' to memory operands.
6608 (mips_move_2words): When splitting a move into two instructions,
6609 prefix the second address operand with '%D'.
6611 2001-07-12 Neil Booth <neil@daikokuya.demon.co.uk>
6613 * Makefile.in (final.o): Depend on debug.h.
6614 * dbxout.c (dbxout_begin_block, dbxout_end_block): New.
6615 (dbx_debug_hooks): Add new hooks.
6616 (xcoff_debug_hooks): New.
6617 * debug.c (debug_nothing_file_int_int): New.
6618 (do_nothing_debug_hooks): Update.
6619 * debug.h (gcc_debug_hooks): New hooks begin_block and end_block.
6620 (debug_nothing_file_int_int): New.
6621 * dwarf2out.c (dwarf2out_begin_block, dwarf2out_end_block): Make
6622 static, update prototype.
6623 (dwarf2_debug_hooks): Update.
6624 * dwarf2out.h (dwarf2out_begin_block, dwarf2out_end_block): Remove.
6625 * dwarfout.c (dwarfout_begin_block, dwarfout_end_block): Make
6626 static, update prototype.
6627 (dwarf_debug_hooks): Update.
6628 * dwarfout.h (dwarfout_begin_block, dwarfout_end_block): Remove.
6629 * final.c: Include debug.h.
6630 (final_scan_insn): Use debug hooks when beginning and ending blocks.
6631 * sdbout.c (sdbout_begin_block, sdbout_end_block): Make
6632 static, update prototype.
6633 (sdb_debug_hooks): Update.
6634 * sdbout.h (sdbout_begin_block, sdbout_end_block): Remove.
6635 * toplev.c: Distinguish between xcoff and dbx.
6637 * f/lex.c (ffelex_file_pop_, ffelex_file_push_, ffelex_hash_):
6638 Call all debug hooks, not just dwarf ones.
6640 2001-07-11 Timothy Wall <twall@redhat.com>
6642 * config.gcc: Add configuration for AIX5/IA64.
6643 * config/ia64/aix.h: New. AIX5/IA64-specific configuration.
6644 * config/ia64/crt[in].asm: New. Generic static ctor/dtor
6645 support prefix/suffix code.
6646 * config/ia64/t-aix: New. Makefile fragment.
6647 * config/ia64/unwind-aix.c: New. Unwind table entry lookup.
6649 2001-07-11 Kazu Hirata <kazu@hxi.com>
6651 * recog.c (validate_change): Fix a comment typo.
6653 2001-07-11 Neil Booth <neil@daikokuya.demon.co.uk>
6655 * Makefile.in (c-lex.o): Wrap long lines. Depend on debug.h.
6656 * c-lex.c (cb_file_change, cb_define, cb_undef): Use debug
6658 * dbxout.c (dbx_debug_hooks): Add new hooks.
6659 (dbxout_start_new_source_file): Rename dbxout_start_source_file,
6661 (dbxout_resume_previous_source_file): Rename dbxout_end_source_file,
6663 * dbxout.h (dbxout_start_new_source_file,
6664 dbxout_resume_previous_source_file): Delete.
6665 * debug.c (do_nothing_debug_hooks): Add new hooks.
6666 (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
6667 (debug_nothing_int_charstar, debug_nothing_int): New.
6668 * debug.h (gcc_debug_hooks): New hooks define, undef,
6669 start_source_file and end_source_file.
6670 (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
6671 (debug_nothing_int_charstar, debug_nothing_int): New.
6672 * dwarf2out.c (dwarf2_debug_hooks): Add new hooks. Move into
6673 the conditionally compiled section.
6674 (dwarf2out_start_source_file, dwarf2out_end_source_file,
6675 dwarf2out_define, dwarf2out_undef): Make static.
6676 * dwarf2out.h (dwarf2out_start_source_file, dwarf2out_end_source_file,
6677 dwarf2out_define, dwarf2out_undef): Remove.
6678 * dwarfout.c (dwarf_debug_hooks): Add new hooks.
6679 (dwarfout_start_source_file, dwarfout_end_source_file,
6680 dwarfout_define, dwarfout_undef): Make static.
6681 (dwarfout_start_source_file_check,
6682 dwarfout_end_source_file_check): New.
6683 (dwarfout_define, dwarfout_finish): Update.
6684 * dwarfout.h (dwarfout_start_new_source_file,
6685 dwarfout_resume_previous_source_file, dwarfout_define,
6686 dwarfout_undef): Remove.
6687 * sdbout.c (sdb_debug_hooks): Add new hooks.
6688 (sdbout_start_new_source_file): Rename sdbout_start_source_file,
6690 (sdbout_resume_previous_source_file): Rename sdbout_end_source_file,
6691 make static, take an arg.
6692 * sdbout.h (sdbout_start_new_source_file,
6693 sdbout_resume_previous_source_file): Delete.
6694 * toplev.c (debug_start_source_file, debug_end_source_file,
6695 debug_define, debug_undef): Delete.
6696 * toplev.h (debug_start_source_file, debug_end_source_file,
6697 debug_define, debug_undef): Delete.
6699 * java/jcf-parse.c: Include debug.h.
6700 (parse_class_file): Update to use debug hooks directly.
6701 * java/Make-lang.in (jcf-parse.o): Depend on debug.h.
6703 Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6705 * alias.c (set_mem_alias_set): New function.
6706 * rtl.h (set_mem_alias_set): Declare it.
6707 * builtins.c (expand_builtin_return_addr): Call it instead of
6708 using MEM_ALIAS_SET accessor.
6709 (expand_builtin_setjmp_setup, expand_builtin_longjmp): Likewise.
6710 (get_memory_rtx, expand_builtin_va_arg): Likewise.
6711 (expand_builtin_va_copy):Likewise.
6712 * caller-save.c (setup_save_areas): Likewise.
6713 * calls.c (compute_argument_addresses): Likewise.
6714 * explow.c (set_mem_attributes): Likewise.
6715 * expr.c (emit_single_push_insn, emit_push_insn): Likewise.
6716 (expand_assignment, store_constructor_field, store_field): Likewise.
6717 (expand_expr_unaligned): Likewise.
6718 * function.c (assign_stack_temp_for_type): Likewise.
6719 (put_reg_into_stack, gen_mem_addressof): Likewise.
6720 * ifcvt.c (noce_try_cmove_arith): Likewise.
6721 * reload1.c (reload, alter_reg): Likewise.
6722 * config/alpha/alpha.c (get_aligned_mem): Likewise.
6723 (alpha_set_memflags_1, alpha_expand_unaligned_load): Likewise.
6724 (alpha_expand_unaligned_store): Likewise
6725 (alpha_expand_unaligned_load_words): Likewise.
6726 (alpha_expand_unaligned_store_words): Likewise.
6727 (alpha_expand_block_clear, alpha_expand_prologue): Likewise.
6728 (alpha_expand_epilogue): Likewise.
6729 * config/arc/arc.c (arc_setup_incoming_varargs): Likewise.
6730 * config/clipper/clipper.c (clipper_builtin_saveregs): Likewise.
6731 * config/i386/i386.c (legitimize_pic_address): Likewise.
6732 * config/i960/i960.c (setup_incoming_varargs): Likewise.
6733 * config/ia64/ia64.c (spill_restore_mem): Likewise.
6734 * config/m32r/m32r.c (m32r_setup_incoming_varargs): Likewise.
6735 * config/m8k/m88k.c (m88k_builtin_saveregs): Likewise.
6736 * config/mips/mips.c (mips_va_arg): Likewise.
6737 * config/mn10300/mn10300.c (mn10300_builtin_saveregs): Likewise.
6738 * config/pa/pa.c (hppa_builtin_saveregs): Likewise.
6739 * config/rs6000/rs6000.c (rs6000_emit_move): Likewise.
6740 (setup_incoming_varargs, rs6000_va_arg): Likewise.
6741 (rs6000_emit_eh_toc_restore, rs6000_emit_prologue): Likewise.
6742 (rs6000_emit_epilogue): Likewise.
6743 * config/sh/sh.c (sh_builtin_saveregs): Likewise.
6744 * config/sparc/sparc.c (sparc_va_arg): Likewise.
6745 * config/v850/v850.c (v850_va_arg): Likewise.
6747 Wed Jul 11 21:27:25 CEST 2001 Jan Hubicka <jh@suse.cz>
6749 * flow.c (merge_blocks_move_successor_nojumps): Do not crash
6750 when fallthru edge is present.
6751 (mege_blocks): Handle case where creation of jump insn
6754 * basic-block.h (CLEANUP_EXPENSIVE, CLEANUP_CROSSJUMP,
6755 CLEANUP_POST_REGSTACK): New constants.
6756 * except.c (finish_eh_generation): Update call of cleanup_cfg,
6757 * jump.c (rtx_renumbered_equal_p): Handle 't' fields.
6758 * output.h (cleanup_cfg): Update prototype.
6759 * reg-stack.c (reg_to_stack): Use cleanup_cfg instead of jump_optimize
6760 * sibcall.c (optimize_sibling_and_tail_recursive_call): Update
6761 cleanup_cfg call; kill missleading comment.
6762 * toplev.c (rest_of_compilation): Update all cleanup_cfg calls.
6763 * flow.c (merge_blocks, try_optimize_cfg, cleanup_cfg): Accept mode
6764 parameter; control optimizations performed using it.
6765 (flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
6766 try_crossjump_bb): New functions.
6768 2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
6770 * pa.c (pa_output_function_prologue): Delete prototype. Make function
6772 * pa.h (ASM_OUTPUT_MI_THUNK): Rename output_function_prologue to
6773 pa_output_function_prologue.
6774 * pa-protos.h (pa_output_function_prologue): New prototype.
6776 2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
6778 * stmt.c (emit_case_nodes): Widen high and low instead of new_bound
6779 and low to get correct sign extension in low+high test.
6781 2001-07-11 Janis Johnson <janis@us.ibm.com>
6783 * gcov.c (arcdata): Use gcov_type to fix branch percentage
6784 for large hit count.
6786 * profile.c (branch_prob): Fix .bbg info for computed gotos
6789 2001-07-11 Mark Mitchell <mark@codesourcery.com>
6791 * stmt.c (parse_output_constraint): New function, split out
6793 (expand_asm_operands): ... here. Use parse_output_constraint.
6794 * tree.h (parse_output_constraint): Declare it.
6796 2001-07-11 Richard Henderson <rth@redhat.com>
6798 * bitmap.c: Comment some functions; fiddle whitespace.
6799 (bitmap_free): Don't export.
6800 (bitmap_element_allocate): Use memset.
6801 * bitmap.h (bitmap_free): Don't declare.
6803 2001-07-11 Daniel Berlin <dan@cgsoftware.com>
6805 * gcse.c, lcm.c, sched-deps.c:
6806 s/free on sbitmap vectors/sbitmap_vector_free on sbitmap vectors/g
6808 * flow.c (flow_loops_find): Free dom if we found no loops, since
6809 we aren't going to save it.
6811 * lcm.c (pre_edge_rev_lcm): Free st_antin, st_antout when we are
6814 Wed Jul 11 09:00:48 2001 Jeffrey A Law (law@cygnus.com)
6816 * ssa-ccp.c (ssa_fast_dce): Free worklist when completed.
6818 Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6820 * dwarf2out.c (dwarf2out_init, dwarf2out_finish): Add dummy version
6821 #ifndef DWARF2_DEBUGGING_INFO.
6823 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
6825 * simplify-rtx.c (simplify_gen_subreg): Return null for QUEUED rtxes.
6827 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
6829 * config/mips/mips.c (gen_int_relational): Tell the caller not to
6830 reverse a branch if a NE comparison is implemented with GTU.
6832 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
6833 H.J. Lu <hjl@gnu.org>
6835 * mips.md (call_internal1): Use CONSTANT_ADDRESS_P to check for
6837 (call_internal2): Likewise.
6838 (call_value_internal1): Likewise.
6839 (call_value_internal2): Likewise.
6840 (call_value_multiple_internal1): Likewise.
6841 (call_value_multiple_internal2): Likewise.
6843 2001-07-10 Kazu Hirata <kazu@hxi.com>
6845 * calls.c (emit_library_call_value_1): Fix a comment typo.
6846 * dwarf2out.c (mem_loc_descriptor): Likewise.
6847 * config/i386/i386.c (ix86_expand_aligntest): Likewise.
6849 2001-07-11 David Billinghurst <David.Billinghurst@riotinto.com>
6851 * simplify-rtx.c (simplify_subreg): Fix typo in comment
6853 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6855 * recog.c (offsettable_address_p): Handle LO_SUM case.
6856 * config/mips/mips.c (double_memory_operand): Use adjust_address_nv
6857 instead of plus_constant.
6859 2001-07-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6861 * reload1.c (merge_assigned_reloads): After a RELOAD_OTHER merge,
6862 fix setting of the reloads of that reload to RELOAD_FOR_OTHER_ADDRESS.
6864 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6866 * config/rs6000/rs6000.c (print_operand, case 'L', 'Y', 'Z'): Use
6867 adjust_address_nv instead of plus_constant.
6869 2001-07-10 Neil Booth <neil@daikokuya.demon.co.uk>
6871 * Makefile.in (toplev.o, sdbout.o, dbxout.o, dwarfout.o,
6872 dwarf2out.o): Depend on debug.h, wrap long lines.
6873 * dbxout.c: Include debug.h.
6874 (dbx_debug_hooks): New.
6875 (dbxout_init): Make static, take just 2 args.
6876 (dbxout_finish): Make static.
6877 * dbxout.h (dbxout_init, dbxout_finish): Delete.
6878 * debug.c: New file.
6879 * debug.h: New file.
6880 * dwarf2out.c: Include debug.h.
6881 (dwarf2_debug_hooks): New.
6882 (dwarf2out_init): Make static.
6883 (dwarf2out_finish): Make static, take 2 args.
6884 * dwarf2out.h (dwarf2out_init, dwarf2out_finish): Delete.
6885 * dwarfout.c: Include debug.h.
6886 (dwarf_debug_hooks): New.
6887 (dwarfout_init): Make static.
6888 (dwarfout_finish): Make static, take 2 args.
6889 * dwarfout.h (dwarfout_init, dwarfout_finish): Delete.
6890 * sdbout.c: Include debug.h.
6891 (sdb_debug_hooks): New.
6892 (sdbout_init): Make static, take 2 args.
6893 * sdbout.h (sdbout_init): Delete.
6894 * toplev.c: Include debug.h.
6896 (compile_file): Set deubg_hooks based on command line options.
6897 Use the hooks unconditionally rather than conditional compilation.
6899 Tue Jul 10 09:04:45 2001 Jeffrey A Law (law@cygnus.com)
6901 * ssa-ccp.c (first_phi_node): Remove. Replace uses with calls to
6902 first_insn_after_basic_block_note instead.
6904 * df.c (df_bb_refs_unlink): #if 0 out for now.
6906 2001-07-10 David Billinghurst <David.Billinghurst@riotinto.com
6908 * ssa.h: Add prototype for ssa_const_prop
6909 * ssa-ccp.c: Add prototype for ssa_fast_dce and mark_references
6910 (ssa_ccp_substitute_constants): Fix signed vs unsigned comparison
6911 (ssa_fast_dce): Remove unused variable
6913 2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
6915 * diagnostic.c (finish_diagnostic): Rename to
6916 diagnostic_finish. Make it take an 'output_buffer *'. Adjust
6919 2001-07-10 Jason Merrill <jason_merrill@redhat.com>
6921 * dwarf2out.c (dwarf2out_line): Emit -dA comment even when we have
6924 * collect2.c (main): Set COLLECT_NO_DEMANGLE for subprocesses.
6925 (dump_file): Only pad the demangled name with spaces if the
6926 mangled name was padded with spaces.
6928 2001-07-10 Bernd Schmidt <bernds@redhat.com>
6930 * bb-reorder.c (make_reorder_chain_1): Correct branch/fallthru
6933 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6935 * expr.c (expand_expr, case COMPONENT_REF): Don't force using bitfield
6936 extraction if no direct load if either EXPAND_CONST_ADDRESS or
6939 * emit-rtl.c (adjust_address, adjust_address_nv): Change criteria for
6940 whether can put offset inside LO_SUM to check mode alignment, not size.
6942 2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
6944 * doc/tm.texi (Misc): Fix thinko.
6946 2001-07-10 Jan van Male <jan.vanmale@fenk.wau.nl>
6948 * regmove.c (replace_in_call_usage): Fix warnings.
6949 * sched-deps.c (add_dependence): Fix warnings.
6950 * simplify-rtx.c (simplify_subreg): Likewise.
6951 Return NULL_RTX instead of NULL.
6953 * reg-stack.c (emit_swap_insn): Eliminate warnings.
6954 (subst_asm_stack_regs): Likewise.
6956 * combine.c (num_sign_bit_copies): Cast bitwidth to int to avoid
6959 * dwarf2out.c (output_call_frame_info): Declare i as int.
6960 (build_abbrev_table): Declare n_alloc as int.
6961 (dwarf2out_finish): Initialize die.
6962 * except.c: Declare sjlj_funcdef_number as unsigned.
6963 (connect_post_landing_pads): Declare j as unsigned.
6964 (convert_to_eh_region_ranges): Initialize call_site.
6965 (output_function_exception_table): Initialize tt_format_size.
6966 * expr.c (move_by_pieces_1): Initialize to1.
6967 (store_constructor): Initialize minelt and maxelt.
6968 * flow.c (mark_regs_live_at_end): Declare i as unsigned.
6969 * function.c (instantiate_decls): Avoid signed/unsigned warning.
6971 * c-decl.c (combine_parm_decls): Unused, remove.
6972 * c-tree.h: Remove prototype for combine_parm_decls.
6974 * reload.c (push_reload): Fix warning.
6975 (regno_clobbered_p): Likewise.
6976 * reload1.c (replace_pseudos_in_call_usage): Likewise.
6977 (reload_combine): Likewise.
6979 * bitmap.c: Rename bitmap_zero to bitmap_zero_bits to fix warnings.
6980 * bitmap.h: Rename bitmap_zero to bitmap_zero_bits to fix
6982 * bitmap.c (bitmap_operation): Change user.
6983 * bitmap.h (EXECUTE_IF_AND_COMPL_IN_BITMAP): Likewise.
6985 2001-07-10 Eric Christopher <echristo@redhat.com>
6987 * config/mips/mips.c (override_options): Fix typo.
6989 2001-07-09 Stan Shebs <shebs@apple.com>
6991 * target.h (struct gcc_target): New fields init_builtins and
6993 * target-def.h (TARGET_INIT_BUILTINS): New macro.
6994 (TARGET_EXPAND_BUILTIN): New macro.
6995 (TARGET_INITIALIZER): Add them.
6996 * builtins.c: Include target.h.
6997 (expand_builtin): Use targetm.expand_builtin.
6998 (default_init_builtins): New function.
6999 (default_expand_builtin): New function.
7000 * expr.h (default_init_builtins): Declare.
7001 (default_expand_builtin): Declare.
7002 * c-common.c (c_common_nodes_and_builtins): Use
7003 targetm.init_builtins.
7004 * defaults.h (MD_INIT_BUILTINS): Remove.
7005 * Makefile.in (builtins.o): Depend on target.h.
7007 * config/arm/arm.c (TARGET_INIT_BUILTINS): Define.
7008 (TARGET_EXPAND_BUILTIN): Define.
7009 * config/arm/arm.h (MD_INIT_BUILTINS): Remove.
7010 (MD_EXPAND_BUILTIN): Remove.
7012 * config/c4x/c4x.c (TARGET_INIT_BUILTINS): Define.
7013 (TARGET_EXPAND_BUILTIN): Define.
7014 (c4x_init_builtins): Make endlink arg a local.
7015 (c4x_print_operand): Fix typos in adjust_address usages.
7016 * config/c4x/c4x-protos.h (c4x_init_builtins): Update decl.
7017 * config/c4x/c4x.h (MD_INIT_BUILTINS): Remove.
7018 (MD_EXPAND_BUILTIN): Remove.
7020 * config/i386/i386.c (TARGET_INIT_BUILTINS): Define.
7021 (TARGET_EXPAND_BUILTIN): Define.
7022 (ix86_init_mmx_sse_builtins): New function, was ix86_init_builtins.
7023 (ix86_init_builtins): Call new function only if TARGET_MMX.
7024 * config/i386/i386-protos.h (ix86_init_mmx_sse_builtins): Declare.
7025 * config/i386/i386.h (MD_INIT_BUILTINS): Remove.
7026 (MD_EXPAND_BUILTIN): Remove.
7028 * config/ia64/ia64.c (TARGET_INIT_BUILTINS): Define.
7029 (TARGET_EXPAND_BUILTIN): Define.
7030 * config/ia64/ia64.h (MD_INIT_BUILTINS): Remove.
7031 (MD_EXPAND_BUILTIN): Remove.
7033 * doc/tm.texi: Document these changes.
7035 2001-07-09 Diego Novillo <dnovillo@redhat.com>
7037 * basic-block.h (tree_node): Forward declare if needed.
7038 (struct basic_block_def): Add fields 'head_tree' and 'end_tree'.
7039 (BLOCK_HEAD_TREE): Define.
7040 (BLOCK_END_TREE): Define.
7041 (struct loops): Rename field 'tree' to 'tree_root'.
7042 * flow.c (entry_exit_blocks): Add initializers for 'head_tree' and
7044 (flow_loops_tree_build): Rename reference to field 'tree' to
7046 (flow_loops_level_compute): Ditto.
7047 * predict.c (estimate_bb_frequencies): Ditto.
7048 * tree.h (struct tree_common): Add field 'aux'.
7050 2001-07-09 Stan Shebs <shebs@apple.com>
7052 * config/darwin.c (darwin_encode_section_info): Don't mark any
7053 DECL_EXTERNAL node as defined.
7055 2001-07-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
7057 * pa.c (pa_init_machine_status, pa_mark_machine_status,
7058 pa_free_machine_status, hppa_init_pic_save): Delete.
7059 (hppa_pic_save_rtx): New. Use get_hard_reg_initial_val.
7060 (hppa_profile_hook): Use hppa_pic_save_rtx.
7061 * pa.h (struct machine_function, PIC_OFFSET_TABLE_SAVE_RTX,
7062 hppa_init_pic_save): Delete.
7063 (hppa_pic_save_rtx): Declare.
7064 * pa.md (call, call_value, sibcall, sibcall_value,
7065 builtin_setjmp_receiver): Use hppa_pic_save_rtx.
7067 2001-07-09 Kazu Hirata <kazu@hxi.com>
7069 * config/h8300/t-h8300 (LIB1ASMFUNCS): Add _floatdisf and _fixsfdi.
7070 * config/mn10200/t-mn10200 (LIB1ASMFUNCS): Likewise.
7072 2001-07-09 Andreas Jaeger <aj@suse.de>
7074 * output.h: Add declaration of final_forward_branch_p.
7076 * config/i386/i386.c (output_fix_trunc): Remove unused variable.
7078 * varray.c: Include errors.h for internal_error and trim_filename
7081 * Makefile.in (varray.o): Add errors.h.
7083 2001-07-09 Toon Moene <toon@moene.indiv.nluug.nl>
7085 * expr.h: Adjust prototypes for have_add2_insn, have_sub2_insn.
7086 * optabs.c (have_add2_insn): Check whether the add insn chosen
7087 really accepts the operands. (have_sub2_insn): Ditto for sub insn.
7088 * reload1.c (reload_cse_move2add): Adjust calls of have_add2_insn.
7090 Mon Jul 9 13:26:40 2001 Jeffrey A Law (law@cygnus.com)
7092 * Makefile.in (OBJS): Add ssa-ccp.o
7093 (ssa-ccp.o): Add dependencies.
7094 * toplev.c (DFI_ssa_ccp): New dump file enum.
7095 (dump_file): Add entry for dumping after SSA CCP.
7096 (flag_ssa_ccp): New flag variable.
7097 (f_options): Add -fssa-ccp.
7098 (rest_of_compilation): Run SSA CCP if requested.
7099 * timevar.def (TV_SSA_CCP): New timevar.
7100 * ssa.c (mark_phi_and_copy_regs): Handle deleted PHI nodes.
7101 * doc/gcc.texi (Passes): Add documentation for SSA CCP pass.
7102 Fix minor typo in SSA DCE documentation.
7103 * doc/invoke.texi: Add documentation for new flag -fssa-ccp.
7104 Add documentation for new dump option. Renumber dump files
7107 Mon Jul 9 21:36:00 CEST 2001 Jan Hubicka <jh@suse.cz>
7109 * emit-rtl.c (gen_highpart_mode): New.
7110 * rtl.h (gen_highpart_mode): Declare.
7111 * sparc.md (insn splitters): Use gen_highpart_mode, whenever the
7112 operand can be VOIDmode constant.
7114 Mon Jul 9 17:23:10 CEST 2001 Jan Hubicka <jh@suse.cz>
7116 * flow.c (redirect_edge_and_branch_force): New.
7117 (can_fallthru): Ensure that basic blocks are succeeding.
7118 (try_optimize_cfg): Do not delete basic block if it is the last one.
7120 * flow.c (try_redirect_by_replacing_jump): Do not remove
7121 jumps with side effects, unlink chain on fallthru edge;
7122 set block for new jump instruction; avoid basic block to
7123 over by line number note.
7125 * flow.c (try_simplify_condjump): Verify that the condjump
7126 is not always falling trought.
7129 * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
7131 * flow.c (forwarder_block_p): Fix for fallthru blocks.
7132 (try_redirect_by_replacing_jump): Update properly the count
7133 and frequency information.
7135 Mon Jul 9 06:41:07 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7137 * emit-rtl.c (adjust_address, adjust_address_nv): Handle an
7138 address that is a LO_SUM specially.
7139 * explow.c (plus_constant_wide, case LO_SUM): Deleted.
7141 * c-lang.c (start_cdtor): Remove extra parameter from start_function.
7143 * emit-rtl.c (adjust_address_nv, replace_equiv_address_nv): New fcns.
7144 (operand_subword): Use them.
7145 (change_address_1): Renamed from change_address; new arg VALIDATE.
7146 * expr.h: Reflect above changes; change_address now macro.
7147 * alias.c (canon_rtx): Use replace_equiv_address_nv instead of
7149 * cselib.c (add_mem_for_addr): Likewise.
7150 * expr.c (protect_from_queue, emit_move_insn_1): Likewise.
7151 * regmove.c (try_apply_stack_adjustment): Likewise.
7152 * reload.c (push_reload, make_memloc): Likewise.
7153 * reload1.c (eliminate_regs): Likewise.
7154 * simplify-rtx.c (simplify_replace_rtx): Likewise.
7155 * caller-save.c (setup_save_areas): Use adjust_address_nv instead of
7157 * combine.c (make_extraction, simplify_shift_const): Likewise.
7158 (gen_lowpart_for_combine): Likewise.
7159 * cse.c (gen_lowpart_if_possible): Likewise.
7160 * function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
7161 * expr.c (expand_expr, case COMPONENT_REF): Likewise.
7162 * optabs.c (gen_move_insn): Likewise.
7163 * reload1.c (alter_reg): Likewise.
7164 * simplify-rtx.c (simplify_subreg): Likewise.
7165 * stmt.c (expand_anon_union_decl): Likewise.
7166 * recog.c (validate_replace_rtx_1): Likewise.
7168 * Makefile.in (recog.o): Add $(EXPR_H).
7169 * explow.c (stabilize): Call replace_equiv_address.
7170 * expr.c (move_by_pieces_1, store_by_pieces_2): Likewise.
7171 * final.c (alter_subreg): OFFSET is HOST_WIDE_INT.
7173 2001-07-03 Andrew Haley <aph@redhat.com>
7175 * expmed.c (store_fixed_bit_field): Don't use a mode bigger than
7176 the mode of the memory location.
7178 2001-07-09 Bo Thorsen <bo@suse.co.uk>
7180 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix x86-64 vtable support.
7182 2001-07-09 Neil Booth <neil@daikokuya.demon.co.uk>
7184 * final.c (output_addr_const): Use target opening and
7185 closing parentheses.
7186 * target-def.h: Define TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN
7187 defaults, add to TARGET_ASM_OUT.
7188 * target.h (struct gcc_target): Add open_paren and close_paren.
7189 * doc/md.texi: Update.
7190 * doc/tm.texi: Document TARGET_ASM_FUNCTION_END_PROLOGUE,
7191 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE, TARGET_ASM_OPEN_PAREN and
7192 TARGET_ASM_CLOSE_PAREN.
7193 * config/i386/i386.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
7195 * config/pdp11/pdp11.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
7197 * config/1750a/1750a.h (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): Remove.
7198 * config/a29k/a29k.h: Similarly.
7199 * config/alpha/alpha.h: Similarly.
7200 * config/arc/arc.h: Similarly.
7201 * config/arm/aof.h: Similarly.
7202 * config/arm/aout.h: Similarly.
7203 * config/avr/avr.h: Similarly.
7204 * config/c4x/c4x.h: Similarly.
7205 * config/clipper/clipper.h: Similarly.
7206 * config/convex/convex.h: Similarly.
7207 * config/d30v/d30v.h: Similarly.
7208 * config/dsp16xx/dsp16xx.h: Similarly.
7209 * config/elxsi/elxsi.h: Similarly.
7210 * config/fr30/fr30.h: Similarly.
7211 * config/h8300/h8300.h: Similarly.
7212 * config/i370/i370.h: Similarly.
7213 * config/i386/i386.h: Similarly.
7214 * config/i860/i860.h: Similarly.
7215 * config/i960/i960.h: Similarly.
7216 * config/ia64/ia64.h: Similarly.
7217 * config/m32r/m32r.h: Similarly.
7218 * config/m68hc11/m68hc11.h: Similarly.
7219 * config/m68k/m68k.h: Similarly.
7220 * config/m88k/m88k.h: Similarly.
7221 * config/mcore/mcore.h: Similarly.
7222 * config/mips/mips.h: Similarly.
7223 * config/mn10200/mn10200.h: Similarly.
7224 * config/mn10300/mn10300.h: Similarly.
7225 * config/ns32k/ns32k.h: Similarly.
7226 * config/pa/pa.h: Similarly.
7227 * config/pdp11/pdp11.h: Similarly.
7228 * config/pj/pj.h: Similarly.
7229 * config/romp/romp.h: Similarly.
7230 * config/rs6000/rs6000.h: Similarly.
7231 * config/sh/sh.h: Similarly.
7232 * config/sparc/sparc.h: Similarly.
7233 * config/v850/v850.h: Similarly.
7234 * config/vax/vax.h: Similarly.
7235 * config/we32k/we32k.h: Similarly.
7237 2001-07-09 Joseph S. Myers <jsm28@cam.ac.uk>
7239 * doc/c-tree.texi: Document representation of attributes.
7241 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
7243 * doc/tm.texi: Update some places for the rename of target to
7246 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
7248 * target.h (struct gcc_target): Add insert_attributes.
7249 * target-def.h (TARGET_INSERT_ATTRIBUTES): Define.
7250 (TARGET_INITIALIZER): Update.
7251 * tree.c, tree.h (default_insert_attributes): New function.
7252 Update comments on other default functions to refer to targetm,
7254 * doc/tm.texi (INSERT_ATTRIBUTES): Update to document
7255 TARGET_INSERT_ATTRIBUTES.
7256 (SET_DEFAULT_DECL_ATTRIBUTES): Remove.
7257 * c-common.c (decl_attributes): Use targetm.insert_attributes.
7258 Don't use PRAGMA_INSERT_ATTRIBUTES.
7259 * Makefile.in (c-common.o): Depend on $(TARGET_H).
7260 * c-decl.c (start_decl, start_function): Don't call
7261 SET_DEFAULT_DECL_ATTRIBUTES.
7262 * config/c4x/c4x.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
7263 * config/c4x/c4x-protos.h (c4x_set_default_attributes): Don't
7265 * config/c4x/c4x.c (TARGET_INSERT_ATTRIBUTES): Define.
7266 (c4x_check_attribute): Avoid modifying attribute list itself.
7267 (c4x_set_default_attributes): Rename to c4x_insert_attributes.
7269 * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Don't define.
7270 * config/sh/sh-protos.h (sh_pragma_insert_attributes): Don't
7272 * config/sh/sh.c (TARGET_INSERT_ATTRIBUTES): Define.
7273 (sh_pragma_insert_attributes): Rename to sh_insert_attributes.
7275 * config/v850/v850.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
7276 * config/v850/v850-protos.h (v850_set_default_decl_attr): Don't
7278 * config/v850/v850.c (TARGET_INSERT_ATTRIBUTES): Define.
7279 (v850_set_default_decl_attr): Rename to v850_insert_attributes.
7280 Adjust parameters. Make static.
7282 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
7284 * c-common.c (decl_attributes): Only take a single attributes
7286 * c-common.h (decl_attributes): Update prototype.
7287 * c-decl.c (start_decl, start_function): Only take a single
7288 attributes parameter. Update calls to decl_attributes.
7289 (finish_struct, finish_enum): Update calls to decl_attributes.
7290 (push_parm_decl): Expect unified list of attributes. Update call
7292 * c-parse.in (fndef, initdcl, notype_initdcl, nested_function,
7293 notype_nested_function, component_declarator,
7294 component_notype_declarator, label): Update calls to
7296 (absdcl_maybe_attribute, parm, firstparm, myparm): Unify attribute
7297 lists that are passed to push_parm_decl.
7298 * c-tree.h (start_function, start_decl): Update prototypes.
7299 * config/sh/sh-protos.h, config/sh/sh.c
7300 (sh_pragma_insert_attributes): Only take a single attributes
7302 * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Likewise.
7303 * doc/tm.texi (INSERT_ATTRIBUTES): Update.
7304 * objc/objc-act.c (define_decl, generate_objc_symtab_decl,
7305 build_module_descriptor, generate_static_references,
7306 generate_strings, build_selector_translation_table,
7307 generate_descriptor_table, generate_protocols,
7308 generate_ivars_list, generate_dispatch_table,
7309 generate_protocol_list, generate_category,
7310 generate_shared_structures, really_start_method, add_objc_decls,
7311 generate_classref_translation_entry): Update calls to start_decl
7313 (build_tmp_function_decl, start_method_def): Unify attribute lists
7314 that are passed to push_parm_decl.
7316 2001-07-08 Neil Booth <neil@daikokuya.demon.co.uk>
7318 * final.c (no_asm_to_stream): New.
7319 (final_scan_insn): Use target structures for prologue ends
7320 and epilogue starts.
7321 * output.h (no_asm_to_stream): New.
7322 * target-def.h (TARGET_ASM_FUNCTION_END_PROLOGUE,
7323 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE): New.
7324 (TARGET_ASM_OUT): Update.
7325 * target.h (struct gcc_target): New members function_end_prologue
7326 and function_begin_epilogue.
7327 * config/1750/1750.h (ASM_OUTPUT_FUNNAM): Delete as unused.
7328 * config/alpha/alpha-protos.h (output_end_prologue): Delete.
7329 * config/alpha/alpha.c (output_end_prologue): Rename to
7330 alpha_output_function_end_prologue. Use in target struct
7332 * config/alpha/alpha.h (FUNCTION_END_PROLOGUE): Delete.
7333 * config/ia64/ia64-protos.h (ia64_output_end_prologue): Delete.
7334 * config/ia64/ia64.c (ia64_output_end_prologue): Rename to
7335 ia64_output_function_end_prologue. Use in target struct
7337 (ia64_function_prologue, ia64_funciton_epilogue): Rename
7338 mistyped prototypes.
7339 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE): Delete.
7340 * config/m88k/m88k-protos.h (m88k_end_prologue, m88k_begin_epilogue):
7342 * config/m88k/m88k.c (m88k_end_prologue, m88k_begin_epilogue): Rename
7343 an use in target struct, make static.
7344 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE, FUNCTION_BEGIN_EPILOGUE):
7347 2001-07-08 Richard Henderson <rth@redhat.com>
7349 * stmt.c (emit_case_nodes): Convert modes properly in low+high test.
7351 2001-07-08 Richard Henderson <rth@redhat.com>
7353 * config/i386/i386.md: Remove constraints strings from define_split
7354 and define_peephole2 patterns.
7355 (eh_return_si, eh_return_di): Split eh_return_1 for modes.
7356 (eh_return): Use them.
7358 2001-07-08 Richard Henderson <rth@redhat.com>
7360 * doc/tm.texi (Exception Handling): New subnode of Stack and Calling.
7361 Document MD_FALLBACK_FRAME_STATE_FOR.
7363 2001-07-07 Stephane Carrez <Stephane.Carrez@worldnet.fr>
7365 * config/m68hc11/m68hc11.c (m68hc11_initial_elimination_offset):
7366 Take into account m68hc11_sp_correction for FRAME_POINTER_REGNUM
7368 * config/m68hc11/m68hc11.h (STARTING_FRAME_OFFSET): Use 0.
7370 2001-07-07 Nick Clifton <nickc@cambridge.redhat.com>
7372 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Append # to end
7373 of the label inside NAME as opposed to just the end of NAME.
7375 2001-07-07 Neil Booth <neil@daikokuya.demon.co.uk>
7377 * config/alpha/alpha-protos.h (vms_valid_decl_attribute_p): Delete.
7378 * config/alpha/alpha.c (alpha_init_machine_status,
7379 alpha_mark_machine_status, alpha_free_machine_status): Delete.
7380 (TARGET_VALID_DECL_ATTRIBUTE): Define for VMS.
7381 (vms_valid_decl_attribute_p): Make static, conditionally compile.
7382 * config/alpha/alpha.h (VALID_MACHINE_DECL_ATTRIBUTE): Delete.
7384 2001-07-06 Stan Shebs <shebs@apple.com>
7386 * target.h (targetm): Rename global from "target", so as not to
7387 conflict with local variables.
7389 * c-typeck.c: Ditto.
7393 * cp/decl2.c: Ditto.
7394 * cp/typeck.c: Ditto.
7395 * 1750a/1750a.c: Ditto.
7396 * a29k/a29k.c: Ditto.
7400 * clipper/clipper.c: Ditto.
7401 * convex/convex.c: Ditto.
7402 * d30v/d30v.c: Ditto.
7403 * dsp16xx/dsp16xx.c: Ditto.
7404 * elxsi/elxsi.c: Ditto.
7405 * fr30/fr30.c: Ditto.
7406 * h8300/h8300.c: Ditto.
7407 * i370/i370.c: Ditto.
7408 * i386/i386.c: Ditto.
7409 * i860/i860.c: Ditto.
7410 * i960/i960.c: Ditto.
7411 * ia64/ia64.c: Ditto.
7412 * m32r/m32r.c: Ditto.
7413 * m68hc11/m68hc11.c: Ditto.
7414 * m68k/m68k.c: Ditto.
7415 * m88k/m88k.c: Ditto.
7416 * mips/mips.c: Ditto.
7417 * ns32k/ns32k.c: Ditto.
7419 * pdp11/pdp11.c: Ditto.
7420 * romp/romp.c: Ditto.
7421 * rs6000/rs6000.c: Ditto.
7423 * sparc/sparc.c: Ditto.
7425 * we32k/we32k.c: Ditto.
7426 * doc/tm.texi: Update the manual to match.
7428 2001-07-06 Richard Henderson <rth@redhat.com>
7430 * except.h (MUST_USE_SJLJ_EXCEPTIONS): Examine the value of
7431 DWARF2_UNWIND_INFO not just whether it is defined.
7433 2001-07-06 Diego Novillo <dnovillo@redhat.com>
7435 * combine.c (combine_simplify_rtx): Also recompute 'mode' if the
7436 call to simplify_binary_operation returns a new pattern.
7438 2001-07-06 Roman Lechtchinsky <rl@cs.tu-berlin.de>
7440 * glimits.h (__SHRT_MAX__): New.
7441 (SHRT_MIN, USHRT_MAX): Define in terms of SHRT_MAX.
7442 (SHRT_MAX): Define in terms of __SHRT_MAX__.
7444 2001-07-06 Jan van Male <jan.vanmale@fenk.wau.nl>
7446 * alias.c (base_alias_check): Cast GET_MODE_UNIT_SIZE to int to
7449 2001-07-06 Richard Henderson <rth@redhat.com>
7451 * bitmap.c (bitmap_release_memory): Move adjacent to the
7452 allocation functions.
7453 (bitmap_first_set_bit, bitmap_last_set_bit): Streamline knowing
7454 the implementation. Binary search for the set bit.
7455 (bitmap_union_of_diff): Allocate the temporary on the stack
7456 instead of using xmalloc.
7458 2001-07-06 Richard Henderson <rth@redhat.com>
7460 * genrecog.c (validate_pattern): Warn for constraints in
7461 define_{expand,split,peephole2}. Remove strict_low_part
7462 before looking up match_dup.
7464 2001-07-06 DJ Delorie <dj@redhat.com>
7466 * doc/gcc.texi (Makefile): Rename to be a more general purpose
7467 chapter about various build hints and history. Add section
7468 talking about the various types of native and cross builds.
7470 2001-07-06 Neil Booth <neil@daikokuya.demon.co.uk>
7472 * Makefile.in (final.o): Depend on target.h.
7473 * final.c: Include target.h.
7474 (default_function_pro_epilogue): New.
7475 (final_start_function): Use target structure for function prologues.
7476 (final_end_function): Use target structure for function epilogues.
7477 * fold-const.c (real_hex_to_f): Constify s and p.
7478 * output.h (default_function_pro_epilogue): New.
7479 * real.h (real_hex_to_f): Update prototype.
7480 * target-def.h (TARGET_ASM_FUNCTION_PROLOGUE,
7481 TARGET_ASM_FUNCTION_EPILOGUE, TARGET_ASM_OUT): New.
7482 (TARGET_INITIALIZER): Update.
7483 * target.h (gcc_target): Add struct asm_out.
7484 * doc/tm.texi: Update.
7487 Update each arch to use TARGET_ASM_FUNCTION_PROLOGUE and
7488 TARGET_ASM_FUNCTION_EPILOGUE. Move macro code to functions
7489 in cpu/cpu.c, or rename old functions consistently. Take
7490 a HOST_WIDE INT not an int as the SIZE parameter. Remove now
7491 redundant macros and prototypes. Make new functions static.
7493 * 1750a/1750a.c: Similarly.
7494 * 1750a/1750a.h: Similarly.
7495 * a29k/a29k-protos.h: Similarly.
7496 * a29k/a29k.c: Similarly.
7497 * a29k/a29k.h: Similarly.
7498 * arc/arc-protos.h: Similarly.
7499 * arc/arc.c: Similarly.
7500 * arc/arc.h: Similarly.
7501 * arm/arm-protos.h: Similarly.
7502 * arm/arm.c: Similarly.
7503 * arm/arm.h: Similarly.
7504 * avr/avr-protos.h: Similarly.
7505 * avr/avr.c: Similarly.
7506 * avr/avr.h: Similarly.
7507 * clipper/clipper-protos.h: Similarly.
7508 * clipper/clipper.c: Similarly.
7509 * clipper/clipper.h: Similarly.
7510 * convex/convex.c: Similarly.
7511 * convex/convex.h: Similarly.
7512 * d30v/d30v-protos.h: Similarly.
7513 * d30v/d30v.c: Similarly.
7514 * d30v/d30v.h: Similarly.
7515 * d30v/d30v.md: Similarly.
7516 * dsp16xx/dsp16xx-protos.h: Similarly.
7517 * dsp16xx/dsp16xx.c: Similarly.
7518 * dsp16xx/dsp16xx.h: Similarly.
7519 * elxsi/elxsi.c: Similarly.
7520 * elxsi/elxsi.h: Similarly.
7521 * fr30/fr30.c: Similarly.
7522 * fr30/fr30.md: Similarly.
7523 * h8300/h8300-protos.h: Similarly.
7524 * h8300/h8300.c: Similarly.
7525 * h8300/h8300.h: Similarly.
7526 * i370/i370-protos.h: Similarly.
7527 * i370/i370.c: Similarly.
7528 * i370/i370.h: Similarly.
7529 * i386/i386.c: Similarly.
7530 * i386/osf1elf.h: Similarly.
7531 * i386/osfrose.h: Similarly.
7532 * i860/i860-protos.h: Similarly.
7533 * i860/i860.c: Similarly.
7534 * i860/i860.h: Similarly.
7535 * i960/i960-protos.h: Similarly.
7536 * i960/i960.c: Similarly.
7537 * i960/i960.h: Similarly.
7538 * ia64/ia64-protos.h: Similarly.
7539 * ia64/ia64.c: Similarly.
7540 * ia64/ia64.h: Similarly.
7541 * m32r/m32r-protos.h: Similarly.
7542 * m32r/m32r.c: Similarly.
7543 * m32r/m32r.h: Similarly.
7544 * m68hc11/m68hc11-protos.h: Similarly.
7545 * m68hc11/m68hc11.c: Similarly.
7546 * m68hc11/m68hc11.h: Similarly.
7547 * m68k/crds.h: Similarly.
7548 * m68k/dpx2.h: Similarly.
7549 * m68k/m68k-protos.h: Similarly.
7550 * m68k/m68k.c: Similarly.
7551 * m68k/m68k.h: Similarly.
7552 * m68k/news.h: Similarly.
7553 * m88k/m88k-protos.h: Similarly.
7554 * m88k/m88k.c: Similarly.
7555 * m88k/m88k.h: Similarly.
7556 * mips/mips-protos.h: Similarly.
7557 * mips/mips.c: Similarly.
7558 * mips/mips.h: Similarly.
7559 * ns32k/merlin.h: Similarly.
7560 * ns32k/ns32k.c: Similarly.
7561 * ns32k/ns32k.h: Similarly.
7562 * ns32k/tek6000.h: Similarly.
7563 * pa/pa-protos.h: Similarly.
7564 * pa/pa.c: Similarly.
7565 * pa/pa.h: Similarly.
7566 * pdp11/2bsd.h: Similarly.
7567 * pdp11/pdp11-protos.h: Similarly.
7568 * pdp11/pdp11.c: Similarly.
7569 * pdp11/pdp11.h: Similarly.
7570 * romp/romp-protos.h: Similarly.
7571 * romp/romp.c: Similarly.
7572 * romp/romp.h: Similarly.
7573 * rs6000/rs6000-protos.h: Similarly.
7574 * rs6000/rs6000.c: Similarly.
7575 * rs6000/rs6000.h: Similarly.
7576 * rs6000/sysv4.h: Similarly.
7577 * sh/sh-protos.h: Similarly.
7578 * sh/sh.c: Similarly.
7579 * sh/sh.h: Similarly.
7580 * sparc/sparc-protos.h: Similarly.
7581 * sparc/sparc.c: Similarly.
7582 * sparc/sparc.h: Similarly.
7583 * vax/vax.c: Similarly.
7584 * vax/vax.h: Similarly.
7585 * vax/vms.h: Similarly.
7586 * we32k/we32k.c: Similarly.
7587 * we32k/we32k.h: Similarly.
7589 Fri Jul 6 11:47:59 2001 Jeffrey A Law (law@cygnus.com)
7591 * basic-block.h (first_insn_after_basic_block_note): Declare.
7592 * flow.c (first_insn_after_basic_block_note): Define. Moved
7594 * ssa.c (first_insn_after_basic_block_note): Remove.
7595 * ssa-dce.c (find_inherently_necessary): Consider BARRIERs
7597 (ssa_eliminate_dead_code): Properly update the CFG and PHI
7598 nodes when we find a dead conditional branch. Insert BARRIERs
7599 after any blocks with no successors, but which do not have
7602 2001-07-06 Zack Weinberg <zackw@stanford.edu>
7604 * varray.c (varray_check_failed): Use internal_error.
7606 2001-07-05 Andrew Haley <aph@redhat.com>
7608 * Makefile.in (LIB2_DIVMOD_FUNCS): New.
7609 (LIB2FUNCS): Move divmod functions to LIB2_DIVMOD_FUNCS.
7610 * mklibgcc.in: Compile LIB2_DIVMOD_FUNCS.
7612 2001-07-02 Jason Merrill <jason_merrill@redhat.com>
7614 * dwarf2out.c (mem_loc_descriptor): Only look through a constant pool
7615 reference if the target constant is also a SYMBOL_REF.
7617 2001-07-05 Eric Christopher <echristo@redhat.com>
7619 * config/mips/mips.h (MASK_MIPS3900): Remove.
7620 (MASK_MIPS16,MASK_NO_CHECK_ZERO_DIV,MASK_CHECK_RANGE_DIV,
7621 MASK_UNINIT_CONST_IN_RODATA): Change for 3900 mask removal.
7622 (TARGET_MIPS3900): Change to use mips_arch.
7623 (TARGET_MIPS4000): New.
7624 (TARGET_MIPS4100): New.
7625 (TARGET_MIPS4300): New.
7626 (TARGET_SWITCHES): Change 3900 and 4650 options to NULL.
7627 (SUBTARGET_TARGET_OPTIONS): Add -march. Change help text
7629 (GENERATE_BRANCHLIKELY): Move TARGET_MIPS3900.
7630 (ISA_HAS_BRANCHLIKELY): To here.
7631 (CC1_CPU_SPEC): New.
7632 (CC1_SPEC): Use here. Remove 4650 and 3900 options.
7633 (mips_arch_string): Declare.
7634 (mips_arch): Declare.
7635 (TARGET_OPTIONS): Add -march and -mtune.
7637 * config/mips/mips.c (mips_arch_string): New.
7639 (override_options): Handle -march for codegen and -mtune
7640 for scheduling. Use mips_arch. Move tx39 target default here.
7641 (mips_parse_cpu): Move error message to override_options.
7643 * config/mips/r3900.h (TARGET_DEFAULT): Remove.
7645 * config/mips/mips.md: Use TARGET_MIPS4000 and TARGET_MIPS4300.
7647 * doc/invoke.texi (Option Summary): Add -march and -mtune entries.
7648 (MIPS Options): Ditto. Change mcpu entry to historical text.
7650 2001-07-05 H.J. Lu (hjl@gnu.org)
7652 * config/mips/mips.c (mips_parse_cpu): New function to parse
7655 2001-07-05 Jim Wilson <wilson@redhat.com>
7657 * config/ia64/lib1funcs.asm: Revert 2001-07-02 change.
7658 * config/ia64/t-ia64: Likewise.
7659 (LIB1ASMFUNCS): Update comment.
7661 2001-07-05 David Edelsohn <edelsohn@gnu.org>
7663 * doc/install.texi (Install GCC: Binaries): Fix typo.
7665 2001-07-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
7667 * config/m68hc11/m68hc11.md ("*ashlsi3"): Operand 1 can be a memory
7668 reference using the stack pointer, adjust it since we push Y
7670 ("*ashrsi3"): Likewise.
7671 ("*lshrsi3"): Likewise.
7673 2001-07-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
7675 * config/m68hc11/m68hc11.h (RETURN_ADDR_RTX): Fix return address
7676 when -fomit-frame-pointer is used.
7678 2001-07-05 Jeffrey Oldham <oldham@codesourcery.com>
7680 * flow.c: Reverse Jan Hubicka's patch of 02July2001.
7681 (try_redirect_by_replacing_jump): Reverse updating properly the
7682 count and frequency information. Reverse removing cc0 setter.
7683 (forwarder_block_p): Reverse fixing for fallthru blocks.
7685 2001-07-05 DJ Delorie <dj@redhat.com>
7687 * gcc.c (TARGET_OPTION_TRANSLATE_TABLE): New.
7688 (translate_options): If the above is defined, use it to map
7689 given options to new options.
7690 * doc/tm.texi: Document it.
7692 2001-07-05 Brad Lucier <lucier@math.purdue.edu>
7693 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
7695 * doc/invoke.texi (Optimize Options): Document that -fgcse may
7696 cause programs using computed gotos to run more slowly.
7698 2001-07-05 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7700 * doc/install.texi (Specific): Markup, spelling and typo fixes.
7702 Consistently require binutils 2.11.2, not prereleases.
7703 (Specific, decstation-*): Canonicalize as mips-dec-*.
7704 (Specific, i?86-*-sco3.2v5*): Remove make bootstrap requirement,
7706 (Specific, m68k-altos): Removed reference to README.altos, deleted.
7707 (Specific, mips-*): Reword MIPS C compiler requirements.
7708 (Specific, powerpc*-*-*): New, mention --with-cpu once.
7709 (Specific, sunv5): Removed, obsolete.
7711 2001-07-05 Nathan Sidwell <nathan@codesourcery.com>
7713 * dwarf2out.c (output_loc_list): Use an all ones mask for
7714 .text asm output and don't rely on long long
7715 literals. Reformat some long lines.
7717 2001-07-05 Andreas Jaeger <aj@suse.de>
7719 * doc/gcc.texi (GNU/Linux): Remove accidental re-add of GPL
7722 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
7724 * dwarf2out.c (dwarf2out_define): Update comment.
7725 (dwarf2out_undef): Ditto.
7726 (dwarf2out_start_source_file): Ditto.
7727 (dwarf2out_end_source_file): Ditto.
7728 (dwarf2out_finish): Output DW_MACINFO_end_file for primary file,
7729 since we never call the start/end debug hook for the primary file.
7731 2001-07-04 Kazu Hirata <kazu@hxi.com>
7733 * config/h8300/h8300.c (get_shift_alg): Remove an extra operand
7736 2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
7738 * cppinit.c (remove_dup_dirs): Inform if a system include
7739 directory is being reordered.
7740 * doc/invoke.texi (Directory Options): GCC warns if you hide a
7742 * doc/cpp.texi (Search Paths): Likewise.
7743 * doc/gcc.texi (Interoperation): Remove information about
7746 2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
7748 * varray.h (VARRAY_TOP_GENERIC_PTR): Remove spurious parameter.
7749 (VARRAY_TOP_CHAR_PTR): Likewise.
7751 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7753 * gcc.c (process_command): Don't assign elements of a const char*.
7755 Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7757 * emit-rtl.c (change_address): Don't abort if invalid address while
7758 reload is in progress.
7760 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
7762 * c-lex.c (cb_file_change): Pass line number to
7763 debug_start_source_file.
7764 (cb_undefine): Pass correct line number to debug_undef.
7766 * toplev.c (debug_start_source_file): Add line number to
7767 parameters. Pass it along to dwarf2out_start_source_file.
7768 (decode_g_option): Stop resetting debug level back to normal when
7769 we change debug formats, unless the current level is
7770 none. (Before, -g3 -gdwarf-2 would use debug level 2, rather than
7773 * toplev.h (debug_start_source_file): Add line number to
7776 * dwarf2out.h (dwarf2out_start_source_file): Add line number to
7779 * dwarf2out.c (dwarf2out_start_source_file): Add line number to
7781 Output debug_macinfo data for starting file if requested.
7782 (dwarf2out_end_source_file): Output debug_macinfo data for ending
7784 (dwarf2out_define): Output debug_macinfo data for defining a macro
7786 (dwarf2out_undef): Output debug_macinfo data for undefining a
7788 (DEBUG_MACINFO_SECTION): New. DWARF2 macro info section name.
7789 (DEBUG_MACINFO_SECTION_LABEL): New. DWARF2 macro info section label.
7790 (macinfo_section_label): New. DWARF2 macro info section label.
7791 (dwarf2out_init): If we want macro info, output the start label
7793 (dwarf2out_finish): If we want macro info, add a DW_AT_macro_info
7794 attribute to the compilation unit die pointing to the macro info.
7796 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
7798 * dwarf2out.c (new_loc_list): Move to inside #ifdef
7799 DWARF2_DEBUGGING_INFO.
7800 (add_loc_descr_to_loc_list): Ditto.
7801 (output_loc_list): Ditto.
7802 Also, fix thinko in curr not being initialized.
7803 (gen_internal_sym): Ditto.
7805 Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7807 * emit-rtl.c (replace_equiv_address): New function.
7808 * expr.h (replace_equiv_address): New declaration.
7809 * explow.c (validize_mem): Call it instead of change_address and
7810 also call if -fforce-addr and address is constant.
7811 * expr.c: Replace more calls to change_address with adjust_address
7812 and/or replace_equiv_address or to validize_mem.
7813 * function.c, regmove.c, config/alpha/alpha.c: Likewise.
7814 * config/arm/arm.md, config/clipper/clipper.md: Likewise.
7815 * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
7816 * config/i370/i370.md, config/i860/i860.md: Likewise.
7817 * config/i960/i960.md, config/mips/mips.c: Likewise.
7818 * config/mips/mips.md, config/pa/pa.md: Likewise.
7819 * config/pdp11/pdp11.md, config/rs6000/rs6000.c: Likewise.
7820 * config/rs6000/rs6000.md, config/sh/sh.md: Likewise.
7822 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7824 * bitmap.c (bitmap_union_of_diff): Don't use BITMAP_ALLOCA.
7826 * bitmap.h (BITMAP_ALLOCA): Don't pass alloca as an argument to a
7829 2001-07-04 Joseph S. Myers <jsm28@cam.ac.uk>
7831 * doc/include: New directory.
7832 * doc/fdl.texi: Move to doc/include/fdl.texi.
7833 * doc/texinfo.tex: Move to doc/include/texinfo.tex.
7834 * doc/include/funding.texi, doc/include/gpl.texi: New files.
7835 * doc/gcc.texi: Use funding.texi and gpl.texi.
7836 * Makefile.in ($(docdir)/cpp.info, $(docdir)/gcc.info,
7837 $(docdir)/cppinternals.info, cpp.dvi. gcc.dvi. cppinternals.dvi):
7838 Update dependencies and use -I $(docdir)/include.
7840 2001-07-04 Anthony Green <green@redhat.com>
7842 * config/v850/t-v850 (v850-c.o): Add missing dependencies.
7844 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
7846 * doc/install.texi (sparc64-*-*): Remove garbage.
7848 Wed Jul 4 09:07:44 2001 Jan van Male <jan.vanmale@fenk.wau.nl>
7850 * i386.c (ix86_expand_builtin, case IX86_BUILTIN_SETPS):
7851 Fix typo in last change to use adjust_address.
7853 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
7855 * doc/install.texi (Specific): Update information for *-*-solaris*.
7857 Tue Jul 3 22:33:15 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7859 * explow.c (plus_constant_wide): Reinitialize Y for restart.
7861 2001-07-03 Stan Shebs <shebs@apple.com>
7863 * config/darwin.h (SECTION_FUNCTION): Remove WAS_TEXT argument, remove
7864 case for flag_no_mach_text_sections.
7865 (EXTRA_SECTION_FUNCTIONS): Remove arg from uses of SECTION_FUNCTION.
7866 * config/darwin.c (flag_no_mach_text_sections): Remove.
7867 * config/darwin-protos.h (darwin_init_pragma): Remove decl.
7869 Tue Jul 3 15:35:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7871 * explow.c (plus_constant_wide, case PLUS): Call find_constant_term
7872 and avoid checking for constant as first operand.
7873 * recog.c (find_constant_term_loc): No longer static.
7874 (adj_offettable_operand): Delete.
7875 * rtl.h (adj_offsettable_operand): Delete declaration.
7876 (find_constant_term): Add declaration.
7877 * caller-save.c: Replace calls to adj_offsettable_operand with calls
7879 * config/arm/arm.c, config/c4x/c4x.c: Likewise.
7880 * config/clipper/clipper.md, config/h8300/h8300.c: Likewise.
7881 * config/i386/i386.c, config/i386/i386.md: Likewise.
7882 * config/i860/i860.c, config/i960/i960.c: Likewise.
7883 * config/i960/i960.md, config/m68hc11/m68hc11.c: Likewise.
7884 * config/m68k/m68k.c, config/m68k/m68k.md: Likewise.
7885 * config/m88k/m88k.md, config/mcore/mcore.c: Likewise.
7886 * config/mips/mips.c, config/mips/mips.md: Likewise.
7887 * config/mn10200/mn10200.c, config/mn10300/mn10300.c: Likewise.
7888 * config/ns32k/ns32k.c, config/ns32k/ns32k.md: Likewise.
7889 * config/pa/pa.c, config/pdp11/pdp11.c: Likewise.
7890 * config/pdp11/pdp11.md, config/sh/sh.c, config/v850/v850.c: Likewise.
7891 * config/vax/vax.md, config/ns32k/ns32k.c: Likewise.
7892 * config/ns32k/ns32k.md: Likewise.
7894 2001-07-03 Zack Weinberg <zackw@stanford.edu>
7896 * rtl.c (copy_rtx): Handle 'T' format letter.
7897 * gensupport.c (collect_insn_data): Likewise.
7898 * print-rtl.c (print_rtx): Print 'T' slots like 's'.
7900 2001-07-03 Nick Clifton <nickc@cambridge.redhat.com>
7902 * doc/invoke.texi (Directory Options): Specifiy range for <N> in
7903 -B option. Use 'dir' not 'foo' as example directory name.
7905 2001-07-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7907 * config/i386/sol2.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
7908 Fixes PRs bootstrap/3067, bootstrap/3249, bootstrap/3275.
7910 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
7912 * doc/cppinternals.texi: Improve formatting and logical markup.
7914 2001-07-03 Andreas Jaeger <aj@suse.de>
7916 * Makefile.in (insn-recog.o): Add dependency on reload.h.
7918 * genrecog.c (write_header): Include reload.h for prototypes in
7921 2001-07-03 Neil Booth <neil@daikokuya.demon.co.uk>
7924 * i386/cygwin.h (VALID_MACHINE_DECL_ATTRIBUTE,
7925 VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
7926 * i386/i386-protos.h (i386_pe_valid_decl_attribute_p,
7927 i386_pe_valid_type_attribute_p): Add.
7928 * i386/i386.c (TARGET_INITIALIZER): Override for cygwin targets.
7929 * i386/winnt.c (i386_valid_decl_attribute_p): Return directly.
7931 Mon Jul 2 21:52:19 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7933 * explow.c (plus_constant_wide, case LO_SUM): New case.
7934 (plus_constant_for_output_wide): Delete.
7935 * rtl.h (plus_constant_for_output): Delete.
7936 * alias.c (canon_rtx, init_alias_analysis): Call plus_constant
7937 instead of plus_constant_for_output.
7938 * recog.c (offsettable_address_p, adj_offsettable_operand): Likewise.
7939 * config/darwin.c, config/arm/arm.c, config/m68k/m68k.c: Likewise.
7940 * config/m88k/m88k.c, config/mips/mips.c, config/pa/pa.c: Likewise.
7941 * config/rs6000/rs6000.c, config/sparc/sparc.c: Likewise.
7942 * config/sparc/sparc.md: Likewise.
7943 Convert some change_address calls to adjust_address.
7945 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
7947 * doc/extend.texi, doc/gcc.texi, doc/invoke.texi, doc/md.texi,
7948 doc/rtl.texi, doc/tm.texi: Improve formatting. Improve
7949 documentation of -std and -Wwrite-strings.
7951 2001-07-02 Geoffrey Keating <geoffk@redhat.com>
7953 * cse.c (canon_hash): Don't register registers in very small
7954 register classes, as extending their lifetime might cause
7957 Mon Jul 2 23:14:00 CEST 2001 Jan Hubicka <jh@suse.cz>
7959 * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
7961 * flow.c (forwarder_block_p): Fix for fallthru blocks.
7962 (try_redirect_by_replacing_jump): Update properly the count
7963 and frequency information.
7965 Mon Jul 2 14:20:13 2001 Jeffrey A Law (law@cygnus.com)
7967 * toplev.c (dump_file_index): Move SSA dumps just after first
7969 (dump_file): Corresponding changes.
7970 (rest_of_compilation): Move SSA path to just after the first
7972 * doc/gcc.texi (Passes): Update due to movement of SSA path.
7973 * doc/invoke.texi: Update dump file #s as they were completely
7974 out of date with reality.
7976 2001-07-02 Geoffrey Keating <geoffk@redhat.com>
7978 * doc/tm.texi (Frame Layout): Document STACK_PUSH_CODE.
7980 * expr.c (emit_move_insn_1): Deal with non-default
7983 * expr.c (emit_single_push_insn): Fix warning.
7985 2001-07-02 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
7987 * expr.c (emit_move_insn_1): Avoid modifying
7988 cfun->expr->x_stack_pointer when PUSH_ROUNDING is defined.
7990 Mon Jul 2 15:33:31 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7992 * emit-rtl.c (adjust_address): New function.
7993 * expr.h (adjust_address): Add declaration.
7994 * builtins.c: Replace some calls to change_address with calls to it
7996 * caller-save.c, dwarf2out.c, except.c, expmed.c, expr.c: Likewise.
7997 * function.c, config/a29k/a29k.md, config/alpha/alpha.c: Likewise.
7998 * config/arm/arm.c, config/convex/convex.c: Likewise.
7999 * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
8000 * config/i386/i386.c, config/i386/i386.md: Likewise.
8001 * config/ia64/ia64.c, config/ia64/ia64.md: Likewise.
8002 * config/m32r/m32r.c, config/m68k/m68k.md: Likewise.
8003 * config/m88k/m88k.c, config/mips/mips.md: Likewise.
8004 * config/ns32k/ns32k.c, config/rs6000/rs6000.c: Likewise.
8005 * config/sh/sh.c, config/sparc/sparc.md: Likewise.
8007 2001-07-02 Jim Wilson <wilson@redhat.com>
8009 * config/ia64/ia64.h: Delete obsolete lib1funcs.asm comment.
8011 2001-07-02 Steve Ellcey <sje@cup.hp.com>
8013 * config/ia64/t-ia64: Change LIB1ASMFUNCS to use single underscore.
8014 * config/ia64/lib1funcs.asm: Change macro names to match t-ia64.
8016 2001-07-02 Zack Weinberg <zackw@stanford.edu>
8018 * cppinit.c (lang_defaults): New table.
8019 (set_lang): Just read from lang_defaults into the live options
8022 2001-07-02 Zack Weinberg <zackw@stanford.edu>
8024 * Makefile.in (doc): Depend on $(GENERATED_MANPAGES).
8025 * doc/.cvsignore: Add gcc.1, cpp.1, gcov.1.
8026 * doc/gcc.1, doc/cpp.1, doc/gcov.1: Removed.
8028 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8030 * doc/install.texi: Various spelling and markup fixes.
8031 (Installing GCC): Component specific installation instructions are
8034 Warn about removing old install dir in the presence of shared libs.
8035 (Configuration): Invoke with options target to match configure
8037 Consistently refer to gas, gld pathnames.
8038 Invert --enable-multilib documentation.
8039 Remove references to old compiler versions.
8041 Mon Jul 2 12:50:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8043 * flow.c (try_simplify_condjump): Fix typo in updating fallthru flags.
8045 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8047 * doc/install.texi (Specific, mips*-sgi-irix4): Split from IRIX 5
8049 (Specific, mips*-sgi-irix5): Note IDO download.
8050 Reworded MIPS C hints.
8051 Use GNU as instead of GAS.
8053 Removed SGI Freeware reference, IRIX 6 only.
8054 (Specific, mips*-sgi-irix6): Removed ranlib caveats, obsolete.
8055 Note N64 library requirement/workaround.
8057 Complete list of structure passing bug victims.
8059 2001-07-02 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8061 * doc/install.texi: Remove CVS Id.
8063 2001-07-02 Andreas Jaeger <aj@suse.de>
8065 * ssa-dce.c (note_inherently_necessary_set): Add unused attribute.
8066 (find_inherently_necessary): Remove unused variable.
8068 2001-07-02 Nathan Sidwell <nathan@codesourcery.com>
8070 * c-common.h (TDI_inlined): New ast dump phase.
8071 (dump_flag_name): New function.
8072 * c-dump.c (dump_files): Add inlined phase.
8073 (dump_flag_name): Define.
8074 * doc/invoke.texi (-fdump-ast-inlined): Document.
8076 Mon Jul 2 06:29:36 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8078 * stor-layout.c (layout_decl): Revert change to handling of alignment
8081 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8083 * c-common.c (decl_attributes, case A_MODE): Don't call layout_decl
8086 2001-07-01 Geoffrey Keating <geoffk@redhat.com>
8088 * doc/tm.texi (FUNCTION_ARG): Document that the last call
8091 2001-07-01 Nathan Sidwell <nathan@codesourcery.com>
8093 * tlink.c (recompile_files): Remove COMPILER_PATH and
8094 LIBRARY_PATH from the environment.
8096 2001-07-01 Zack Weinberg <zackw@stanford.edu>
8098 * c-common.h (enum rid): Add RID_FIRST_AT, RID_LAST_AT,
8099 RID_LAST_PQ. Move RID_FIRST_PQ down with the other FIRST/LAST
8101 (OBJC_IS_AT_KEYWORD, OBJC_IS_PQ_KEYWORD): New macros.
8103 * c-parse.in (OBJC_STRING): Kill.
8104 (objc_string): Decompose to [objc_string] '@' STRING.
8105 (reswords): Take the leading '@' off all the Objective C keywords.
8106 (objc_rid_sans_at): Kill.
8107 (init_reswords): Don't initialize it.
8108 (yylexname): Use OBJC_IS_AT_KEYWORD and OBJC_IS_PQ_KEYWORD.
8109 (_yylex): Kill reconsider label. Look ahead one token after
8110 an '@'; if we get an identifier, check whether it's an
8111 Objective C @-keyword. If so, return the keyword. Otherwise,
8112 put back the token and return the '@' as a terminal.
8114 * cpplib.c (lex_macro_node): Remove unnecessary check for
8115 leading '@' on identifier. Clarify control flow and commentary.
8117 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8119 * cse.c (new_label_ref): Variable deleted.
8120 (insert): Remove set of new_label_ref.
8121 (check_for_label_ref): New function.
8122 (cse_basic_block): Don't check new_label_ref; call check_for_label_ref.
8124 See ChangeLog.5 for earlier changes.
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