1 2001-09-14 Roman Lechtchinsky <rl@cs.tu-berlin.de>
3 * config/alpha/alpha.md (unaligned_extendhidi_be): Fix.
4 * config/alpha/unicosmk.h (INIT_TARGET_OPTABS): New.
6 2001-09-14 Nick Clifton <nickc@cambridge.redhat.com>
8 * rtlanal.c (subreg_regno_offset): Add semicolon to end of
9 invocation of SUBREG_REGNO_OFFSET.
11 * haifa-sched.c: Fix typo in FSF copyright statement.
12 * sched-deps.c: Fix typo in FSF copyright statement.
13 * sched-ebb.c: Fix typo in FSF copyright statement.
14 * sched-rgn.c: Fix typo in FSF copyright statement.
15 * sched-vis.c: Fix typo in FSF copyright statement.
17 * config.gcc: Move inclusion of arm elf specific header files
18 from the files themselves into the tm_file variable. Make
19 sure that elfos.h is included before target specific elf
21 * config/arm/aout.h (NO_DOLLAR_IN_LABEL): Only define if not
23 (ASM_OUTPUT_ASCII, ASM_OUTPUT_SKIP): Protect definition.
24 * config/arm.arm.h (TARGET_MEM_FUNCTIONS,
25 ASM_OUTPUT_CASE_LABEL): Protect definition.
26 (CC1_SPEC, FP_DEFAULT, ARM_FUNCTION_PROFILE): Only define if
28 * config/arm/conix-elf.h: (USER_LABEL_PREFIX,
29 LOCAL_LABEL_PREFIX, MAKE_DECL_ONE_ONLY, UNIQUE_SECTION):
30 Remove duplicate definition.
31 (READONLY_DATA_SECTION, SUBTARGET_EXTRA_SECTION,
32 (SUBTARGET_EXTRA_SECTION_FUNCTION, RDATA_SECTION_ASM_OP,
33 (RDATA_SECTION_FUNCTION): Remove redundant definition.
34 (STARTFILE_SPEC, ENDFILE_SPEC): Protect definition.
35 Remove inclusion of arm/elf.h.
36 * config/arm/unknown-elf.h: as for conix-elf.h.
37 (STARTFILE_SPEC): Include crti.o and crtn.o.
38 * config/arm/linux-elf.h: as for conix-elf.h.
39 * config/arm/ecos-elf.h: Remove inclusion of unknown-elf.h.
40 * config/arm/strongarm-elf.h: Remove inclusion of
42 * config/arm/xscale-elf.h: Remove inclusion of unknown-elf.h.
43 * config/arm/unknown-elf-oabi.h: Remove inclusion of
44 unknown-elf.h and elf.h.
45 * config/arm/uclinux-elf.h: Remove inclusion of linux-elf.h.
46 * config/arm/linux-gas.h (DBX_DEBUGGING_INFO,
47 ASM_WEAKEN_LABEL): Remove redundant definition.
48 * config/arm/elf.h: Test for inclusion of elfos.h
49 (USER_LABEL_PREFIX, ASM_DECLARE_RESULT, ASM_DECLARE_RESULT,
50 ASM_DECLARE_OBJECT_NAME, ASM_FINISH_DECLARE_OBJECT_NAME,
51 SUBTARGET_EXTRA_SECTION, SUBTARGET_EXTRA_SECTION_FUNCTION,
52 EXTRA_SECTIONS, INT_ASM_OP, ASM_WEAKEN_LABEL): Remove
54 (TYPE_OPERAND_FMT, ASM_DECLARE_FUNCTION_NAME,
55 ASM_DECLARE_FUNCTION_SIZE, ASM_OUTPUT_INTERNAL_LABEL,
56 ASM_OUTPUT_ALIGNED_COMMON): Protect definition.
57 * t-arm-elf (EXTRA_MULTILIB_PARTS): Add crti.o and crtn.o.
58 Add rules to build crti.o and crtn.o
62 2001-09-13 Neil Booth <neil@daikokuya.demon.co.uk>
64 * c-parse.in (_yylex): Use _cpp_backup_tokens.
65 * cpphash.h (struct tokenrun): Add prev.
66 (struct lexer_state): Remove bol.
67 (struct cpp_reader): Remove old lookahead stuff, add lookaheads.
68 (_cpp_free_lookaheads, _cpp_release_lookahead, _cpp_push_token)
70 * cppinit.c (cpp_create_reader): Don't set bol.
71 (cpp_destroy): Don't free lookaheads.
72 * cpplex.c (lex_directive): Remove.
73 (next_tokenrun): Update.
74 (_cpp_lex_token): Clean up logic.
75 (lex_token): Update to return a pointer to lexed token, since it
76 can move to the start of the buffer. Simpify newline handling.
77 * cpplib.c (SEEN_EOL): Update.
78 (skip_rest_of_line): Remove lookahead stuff.
79 (end_directive): Line numbers are already incremented. Revert
80 to start of lexed token buffer if we can.
81 (_cpp_handle_directive, do_pragma, do_pragma_dependency,
82 parse_answer): Use _cpp_backup_tokens.
83 (run_directive, cpp_pop_buffer): Don't set bol, set saved_flags
84 instead. Don't check for EOL.
85 (do_include_common, do_line, do_pragma_system_header): Use
87 * cpplib.h (BOL, _cpp_backup_tokens): New.
88 * cppmacro.c (save_lookahead_token, take_lookahead_token,
89 alloc_lookahead, free_lookahead, _cpp_free_lookaheads,
90 cpp_start_lookahead, cpp_stop_lookahead, _cpp_push_token): Remove.
91 (builtin_macro): Don't use cpp_get_line.
92 (cpp_get_line): Short term kludge.
93 (parse_arg): Handle directives in arguments here. Back up when
94 appropriate. Store EOF at end of argument list.
95 (funlike_invocation_p): Use _cpp_backup_tokens.
96 (push_arg_context): Account for EOF at end of list.
97 (cpp_get_token): Remove lookahead stuff. Update.
99 2001-09-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
101 * c-parse.in (yyerror): Const-ification and/or static-ization.
102 * c-typeck.c (push_member_name): Likewise.
103 * collect2.c (main): Likewise.
104 * dbxout.c (dbxout_parms): Likewise.
105 * diagnostic.c (format_with_decl): Likewise.
106 * dwarf2out.c (output_ranges): Likewise.
107 * dwarfout.c (fundamental_type_code): Likewise.
108 * except.c (dw2_output_call_site_table): Likewise.
109 * gcc.c (do_spec_1): Likewise.
110 * genopinit.c (optabs): Likewise.
111 * objc/objc-act.c (synth_id_with_class_suffix, start_class,
112 gen_declaration_1, handle_impent): Likewise.
113 * protoize.c (default_include, in_system_include_dir, abspath):
115 * sched-vis.c (visualize_stall_cycles): Likewise.
116 * sdbout.c (plain_type_1, sdbout_end_function,
117 sdbout_end_epilogue): Likewise.
118 * varasm.c (decode_reg_name): Likewise.
120 * 1750a.c (mod_regno_adjust): Likewise.
121 * alpha.c (alpha_write_one_linkage,
122 unicosmk_output_default_externs): Likewise.
123 * arm.c (arm_condition_codes): Likewise.
124 * arm.h (arm_condition_codes): Likewise.
125 * avr.c (output_movsisf, encode_section_info): Likewise.
126 * darwin.h (GEN_BINDER_NAME_FOR_STUB, GEN_SYMBOL_NAME_FOR_SYMBOL):
128 * i386.c (hi_reg_name, qi_reg_name, qi_high_reg_name): Likewise.
129 * i386.h (hi_reg_name, qi_reg_name, qi_high_reg_name): Likewise.
130 * m88k.c (output_function_profiler): Likewise.
131 * mips.c (mips_output_conditional_branch): Likewise.
132 * ns32k.c (ns32k_out_reg_names): Likewise.
133 * ns32k.h (ns32k_out_reg_names): Likewise.
134 * pj.c (pj_output_rval): Likewise.
135 * rs6000.c (GEN_LOCAL_LABEL_FOR_SYMBOL): Likewise.
136 * sparc.c (sparc_flat_function_prologue,
137 sparc_flat_function_epilogue): Likewise.
139 2001-09-13 Markus Werle <numerical.simulation@web.de>
140 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
142 * doc/install.texi (Binaries): Add "Binaries for HP-UX 11.00 at
143 Aachen University of Technology".
145 2001-09-13 Andreas Schwab <schwab@suse.de>
147 * config/float-m68k.h: Define DECIMAL_DIG and FLT_EVAL_METHOD for
150 2001-09-13 Richard Henderson <rth@redhat.com>
152 * config/alpha/alpha.c (small_symbolic_operand): New.
153 (override_options): Set MASK_SMALL_DATA based on pic/PIC.
154 (some_operand, input_operand): Don't handle HIGH.
155 (alpha_legitimize_address): Use it. Emit HIGH with PLUS gp.
156 (alpha_expand_mov): Likewise.
157 (print_operand) [H]: Just print HIGH symbol.
158 (print_operand_address): Handle small data.
159 * config/alpha/alpha.h (MASK_SMALL_DATA, TARGET_SMALL_DATA): New.
160 (TARGET_SWITCHES): Add -msmall-data/large-data.
161 (PIC_OFFSET_TABLE_REGNUM): New.
162 (PREFERRED_RELOAD_CLASS): Don't handle HIGH.
163 (PREDICATE_COES): Update.
164 * config/alpha/alpha.md (adddi_er_high): New.
165 (adddi_er_low): Handle small data.
166 * config/alpha/elf.h (DO_SELECT_SECTION): If SMALL_DATA,
167 prefer .sdata to .rodata.
168 (SELECT_RTX_SECTION): Likewise.
170 2001-09-12 Josh Martin <josh.martin@abq.sc.philips.com>
172 * fixinc/inclhack.def(hpux11_size_t): Keep HP-UX headers from
173 defining __size_t and leaving size_t undefined.
175 2001-09-12 Diego Novillo <dnovillo@redhat.com>
177 * basic-block.h (expunge_block): Declare.
178 * cfg.c (expunge_block): Remove static declaration.
180 2001-09-12 Richard Henderson <rth@redhat.com>
182 * integrate.c (copy_insn_list): Copy label name from
183 NOTE_INSN_DELETED_LABEL.
185 2001-09-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
187 * c-common.c (c_tree_code_name): Const-ification.
188 * c-decl.c (c_decode_option): Likewise.
189 * c-typeck.c (warn_for_assignment): Likewise.
190 * collect2.c (libexts, is_ctor_dtor, main, ignore_library):
192 * cppinit.c (output_deps): Likewise.
193 * dependence.c (dependence_string, direction_string): Likewise.
194 * dwarf2out.c (output_ranges): Likewise.
195 * fixinc/fixfixes.c (emit_gnu_type): Likewise.
196 * fixinc/gnu-regex.c (re_error_msgid): Likewise.
197 * gcc.c (standard_exec_prefix, standard_exec_prefix_1,
198 standard_startfile_prefix, standard_startfile_prefix_1,
199 standard_startfile_prefix_2, tooldir_base_prefix,
200 standard_bindir_prefix, find_a_file): Likewise.
201 * genattrtab.c (make_length_attrs): Likewise.
202 * gencheck.c (tree_codes): Likewise.
203 * genemit.c (gen_split): Likewise.
204 * genrecog.c (special_mode_pred_table): Likewise.
205 * graph.c (graph_ext): Likewise.
206 * protoize (default_include): Likewise.
207 * reload.c (reload_when_needed_name): Likewise.
208 * sched-vis.c (visualize_stall_cycles): Likewise.
209 * tlink.c (recompile_files): Likewise.
210 * toplev.c (decode_g_option): Likewise.
211 * tradcpp.c (output_deps): Likewise.
212 * varasm.c (decode_reg_name): Likewise.
214 * arm.c (arm_condition_codes, strings_fpa, thumb_condition_code):
217 * avr.c (avr_regnames, encode_section_info): Likewise.
218 * c4x.c (float_reg_names): Likewise.
219 * darwin.h (ASM_GLOBALIZE_LABEL): Likewise.
220 * elfos.h (const_section): Likewise.
221 * i386.c (ix86_comp_type_attributes): Likewise.
222 * i386/win32.h (STRIP_NAME_ENCODING): Likewise.
223 * ia64/aix.h (UNIQUE_SECTION): Likewise.
224 * ia64.c (type_names): Likewise.
225 * m68hc11.c (reg_class_names): Likewise.
226 * m88k.c (m_options): Likewise.
227 * mips.c (mips_output_conditional_branch, mips_unique_section):
229 * rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
230 * sparc.c (sparc_flat_function_prologue, sparc_flat_function_epilogue,
231 ultra_code_names): Likewise.
232 * sparc.h (OVERRIDE_OPTIONS): Likewise.
234 2001-09-12 Jakub Jelinek <jakub@redhat.com>
236 * configure.in (gcc_cv_as_shf_merge): Fix a typo.
237 Use --fatal-warnings option for gas.
238 * configure: Rebuilt.
240 2001-09-12 Roman Lechtchinsky <rl@cs.tu-berlin.de>
242 * doc/install.texi (Specific, alphaev5-cray-unicosmk*): Document.
244 2001-09-11 Jim Wilson <wilson@redhat.com>
246 * alias.c (clear_reg_alias_info): Only handle pseudo registers.
248 2001-10-11 Matt Kraai <kraai@alumni.carnegiemellon.edu>
250 * builtins.c (c_strlen): Treat an offset too large for a
251 HOST_WIDE_INT as out of range.
253 Tue Sep 11 18:57:47 CEST 2001 Jan Hubicka <jh@suse.cz>
255 * basic-block.h (EDGE_CRITICAL): Remove; renumber other flags.
256 (EDGE_CRITICAL_P): New predicate.
257 * cfg.c (force_nonfallthru_and_redirect, split_edge): Kill EDGE_CRITICAL
259 (insert_insn_on_edge): Use EDGE_CRITICAL_P.
260 (dump_edge_info): Remove "crit".
261 * cfganal.c (mark_critical_edges): Kill.
262 * cfgbuild.c (find_basic_blocks): Remove mark_critical_edges call.
263 * cfgcleanup.c (cleanup_cfg): Likewise.
264 * profile.c (instrument_edges): Use EDGE_CRITICAL_P.
265 (find_spanning_tree): Likewise.
266 * reg-stack.c (convert_regs_1): Likewise.
267 * ssa.c (mark_regs_equivalent_over_bad_edges): Likewise.
269 * basic-block.h (create_basic_block_structure): New.
270 (create_basic_block): Update prototype.
271 (force_nonfallthru): New.
272 * bb-reorder.c (fixup_reorder_chain): Fixup use force_nonfallthru.
273 * cfg.c (create_basic_block_structure): Rename from create_basic_block;
274 handle updating of block_for_insn, creating of empty BBs and BBs at
275 the end of INSN chain.
276 (create_basic_block): New function.
277 (split_block): Use create_basic_block.
278 (force_nonfallthru_and_redirect): Break out from ...; cleanup
279 (redirect_edge_and_branch_force): ... here.
280 (force_nonfallthru): New.
281 (split_edge): Rewrite to use force_nonfallthru and create_block.
282 * cfgbuild.c (find_basic_blocks_1): Use create_basic_block_structure.
283 (find_basic_blocks): Free basic_block_for_insn.
284 * cfgcleanup.c (merge_blocks): Use force_nonfallthru.
286 * cfg.c: Fix formating.
287 * cfgcleanup.c: Fix formating.
288 (merge_blocks, tail_recursion_label_p): Return bool.
289 (merge_blocks_move_predecessor_nojumps,
290 merge_blocks_move_successor_nojumps): Return void.
292 2001-09-11 Jakub Jelinek <jakub@redhat.com>
294 * configure.in: Check whether assembler supports section merging.
295 * config.in: Rebuilt.
296 * configure: Rebuilt.
297 * varasm.c (variable_section, output_constant_pool): Pass alignment
298 to SELECT_SECTION and SELECT_RTX_SECTION.
299 (mergeable_string_section): New.
300 (mergeable_constant_section): New.
301 (default_elf_asm_named_section): Output SECTION_MERGE and
302 SECTION_STRINGS flags plus SECTION_ENTSIZE entity size.
303 * output.h (mergeable_string_section): New.
304 (mergeable_constant_section): New.
305 (SECTION_MERGE, SECTION_STRINGS, SECTION_ENTSIZE): Define.
306 * toplev.c (flag_merge_constants): New.
307 (f_options): Add -fmerge-constants and -fmerge-all-constants
309 (toplev_main): Default to -fno-merge-constants if not optimizing.
310 * flags.h (flag_merge_constants): Add extern.
311 * invoke.texi (-fmerge-constants, -fmerge-all-constants): Document.
312 * tm.texi (SELECT_SECTION, SELECT_RTX_SECTION): Document added third
314 * config/elfos.h (ASM_SECTION_START_OP, ASM_OUTPUT_SECTION_START):
315 Define if assembler has working .subsection -1 support.
316 (SELECT_RTX_SECTION, SELECT_SECTION): Add third macro argument.
317 Put constant into special SHF_MERGE sections if the linker should
318 attempt to merge duplicates.
319 * config/ia64/sysv4.h (SELECT_RTX_SECTION, SELECT_SECTION): Add third
321 Put constant into special SHF_MERGE sections if the linker should
322 attempt to merge duplicates.
323 * config/alpha/elf.h: Likewise.
324 (ASM_SECTION_START_OP, ASM_OUTPUT_SECTION_START): Define if assembler
325 has working .subsection -1 support.
326 * config/nextstep.h: Add third argument to SELECT_RTX_SECTION and
328 * config/svr3.h: Likewise.
329 * config/darwin.h: Likewise.
330 * config/arm/aof.h: Likewise.
331 * config/arm/linux-elf.h: Likewise.
332 * config/avr/avr.h: Likewise.
333 * config/c4x/c4x.h: Likewise.
334 * config/d30v/d30v.h: Likewise.
335 * config/i386/dgux.h: Likewise.
336 * config/i386/osfrose.h: Likewise.
337 * config/i386/sco5.h: Likewise.
338 * config/i386/svr3gas.h: Likewise.
339 * config/ia64/aix.h: Likewise.
340 * config/m32r/m32r.h: Likewise.
341 * config/m68k/m68k.h: Likewise.
342 * config/m88k/dgux.h: Likewise.
343 * config/m88k/m88k.h: Likewise.
344 * config/mcore/mcore-pe.h: Likewise.
345 * config/mips/mips.h: Likewise.
346 * config/pa/pa.h: Likewise.
347 * config/pa/pa-linux.h: Likewise.
348 * config/romp/romp.h: Likewise.
349 * config/rs6000/sysv4.h: Likewise.
350 * config/rs6000/xcoff.h: Likewise.
351 * config/s390/linux.h: Likewise.
352 * config/sparc/sparc.h: Likewise.
353 * config/sparc/sysv4.h: Likewise.
354 * config/stormy16/stormy16.h: Likewise.
355 * config/v850/v850.h: Likewise.
356 * config/vax/vms.h: Likewise.
357 * config/arm/arm.c (arm_elf_asm_named_section): Output SECTION_MERGE
358 and SECTION_STRINGS flags plus SECTION_ENTSIZE entity size.
359 * config/sparc/sparc.c (sparc_elf_asm_named_section): Use
360 default_elf_asm_named_section for SHF_MERGE sections.
362 Tue Sep 11 17:55:54 CEST 2001 Jan Hubicka <jh@suse.cz>
364 * bb-reorder.c (fixup_reorder_chain): Fallthru edge to exit block
367 2001-09-11 Joseph S. Myers <jsm28@cam.ac.uk>
369 * c-common.c (split_specs_attrs): Allow for empty attributes with
370 empty TREE_PURPOSE. Fixes PR c/4294.
372 Tue Sep 11 11:37:52 CEST 2001 Jan Hubicka <jh@suse.cz>
374 * basic-block.h (cached_make_edge, make_single_succ): New.
375 (make_edge): Remove first parameter.
376 * bb-reroder.c (fixup_reorder_chain): Use make_single_succ_edge.
377 * cfg.c (cached_make_edge): Rename from make_edge; return newly
378 created edge; use obstack allocation.
379 (make_edge, make_single_succ_edge): New.
380 (first_removed_edge): New static variable.
381 (init_flow): Initialize first_removed_edge and n_edges.
382 (clear_edges): Use remove_edge.
383 (flow_delete_block): Likewise.
384 (remove_edge): Add removed edges to the removed edges list.
385 (split_block, redirect_edge_and_branch_force, split_edge):
387 * cfganal.c (flow_call_edges_add): Updaet make_edge call.
388 (add_noreturn_fake_exit_edges): Likewise.
389 (connect_infinite_loops_to_exit): Liekwise.
390 * cfgbuild.c (make_label_edge, make_edges, find_sub_basic_blocks):
391 Use cached_make_edge.
392 * cfgcleanup.c (try_crossjump_to_edge): Use make_single_succ_edge.
393 * profile.c (branch_prob): Update make_edge call.
394 * ssa-dce.c (ssa_eliminate_dead_code): Likewise.
396 2001-09-11 Richard Henderson <rth@redhat.com>
398 * config/alpha/alpha.c: Tidy formatting.
399 (local_symbolic_operand): Verify mode.
400 (alpha_sa_mask): Ignore unicos for eh_return.
401 (alpha_expand_epilogue): Handle sp_adj2 zero, not NULL.
402 * config/alpha/alpha.md (umk divsi patterns): Remove.
403 (extendsfdf2): Remove unicos check.
404 (tablejump): Merge vms and unicos code; always use direct set
407 2001-09-11 Roman Lechtchinsky <rl@cs.tu-berlin.de>
409 * config.gcc (alpha*-*-unicosmk*): New target.
411 * config/alpha/alpha-protos.h (symbolic_operand,
412 unicosmk_add_call_info_word, unicosmk_add_extern,
413 unicosmk_defer_case_vector, unicosmk_unique_section,
414 unicosmk_output_align, unicosmk_text_section, unicosmk_data_section,
415 unicosmk_asm_file_start, unicosmk_asm_file_end,
416 unicosmk_output_common): Declare.
418 * config/alpha/alpha.c (NUM_ARGS, override_options, call_operand,
419 direct_return, function_arg, alpha_va_start, alpha_va_arg,
420 alpha_does_function_need_gp, alpha_end_function): Support Cray
422 (alpha_init_machine_status, alpha_mark_machine_status,
423 alpha_free_machine_status, unicosmk_output_deferred_case_vectors,
424 unicosmk_gen_dsib, unicosmk_output_ssib, unicosmk_need_dex,
425 unicosmk_asm_named_section, unicosmk_insert_attributes,
426 unicosmk_section_type_flags, symbolic_operand,
427 unicosmk_output_module_name, unicosmk_output_default_externs,
428 unicosmk_output_dex, unicosmk_output_externs,
429 unicosmk_output_addr_vec, unicosmk_ssib_name,
430 unicosmk_initial_elimination_offset, unicosmk_asm_file_start,
431 unicosmk_asm_file_end, unicosmk_output_common,
432 unicosmk_section_type_flags, unicosmk_unique_section,
433 unicosmk_add_call_info_word, unicosmk_text_section,
434 unicosmk_data_section, unicosmk_extern_list, unicosmk_extern_head,
435 unicosmk_add_extern, unicosmk_dex, unicosmk_dex_list,
436 unicosmk_dex_count, unicosmk_special_name): New.
437 (TARGET_INSERT_ATTRIBUTES, TARGET_SECTION_TYPE_FLAGS): Define for
439 (get_aligned_mem, alpha_expand_unaligned_load,
440 alpha_expand_unaligned_store, alpha_expand_unaligned_load_words,
441 alpha_expand_unaligned_store_words): Support big-endian mode.
442 (print_operand): Likewise. New format specifier 't'. Use
443 TARGET_AS_SLASH_BEFORE_SUFFIX.
444 (alpha_is_stack_procedure): Rename from vms_is_stack_procedure.
445 (alpha_pv_save_size): Update with above change.
446 (alpha_sa_mask, alpha_sa_size, alpha_expand_prologue,
447 alpha_start_function, alpha_expand_epilogue): Likewise. Support Cray
450 * config/alpha/alpha.h (TARGET_ABI_UNICOSMK): New.
451 (TARGET_ABI_OSF): Exclude TARGET_ABI_UNICOSMK.
452 (TARGET_AS_SLASH_BEFORE_SUFFIX): New.
453 (EXTRA_CONSTRAINT): New constraint 'U'.
454 (PREDICATE_CODES): Add symbolic_operand.
456 * config/alpha/alpha.md (UNSPEC_UMK_LAUM, UNSPEC_UMK_LALM,
457 UNSPEC_UMK_LAL, UNSPEC_UMK_LOAD_CIW): New constants.
458 (mulsi3, *mulsi_se, mulvsi3): Disable for TARGET_ABI_UNICOSMK.
459 (integer division and modulus patterns): Split in default and
461 (*divmodsi_internal, *divmoddi_internal): Disable for
463 (unaligned_extend?idi, unaligned_load?i, unaligned_store?i): Split in
464 little-endian and big-endian versions.
465 (ext, ins, msk): Likewise.
466 (extv, extzv, insv): Support big-endian mode.
467 (call, call_value, tablejump): Support TARGET_ABI_UNICOSMK.
468 (call_umk, call_value_umk, *call_umk, tablejump_umk,
469 *tablejump_umk_internal, *call_value_umk): New.
470 (*movdi_nofix): Add pattern for loading an address into a register on
472 (umk_laum, umk_lal, umk_lalm, *umk_load_ciw): New.
473 (umk_mismatch_args, arg_home_umk): New.
474 (various insns): Don't use mov, fmov, nop, fnop and unop.
475 (realign): Support TARGET_ABI_UNICOSMK.
477 * config/alpha/unicosmk.h: New file.
478 * config/alpha/t-unicosmk: New file.
480 * fixinc/inclhack.def (unicosmk_restrict): New.
481 * fixinc/fixincl.x: Regenerate.
483 * ginclude/stddef.h (size_t): Check for and define __SIZE_T__.
484 (wchar_t): Check for and define __WCHAR_T__.
486 2001-09-11 Richard Sandiford <rsandifo@redhat.com>
488 * combine.c (simplify_shift_const): Treat shifts by the mode
491 2001-09-11 Neil Booth <neil@daikokuya.demon.co.uk>
493 * cpphash.h (struct tokenrun): New.
494 (struct cpp_context): New member bol.
495 (struct cpp_reader): New members.
496 (_cpp_init_tokenrun): New.
497 * cppinit.c (cpp_create_reader): Set up the token runs.
498 * cpplex.c (lex_directive, lex_token, next_tokenrun): New.
499 (lex_token): New internalised version of _cpp_lex_token. Don't
500 handle directives or the multiple include opimisation here any
501 more. Simply lex a token.
502 * cpplib.c (run_directive): Clear bol.
503 (_cpp_pop_buffer): Set bol.
504 * cppmacro.c (funlike_invocation_p): Keep tokens whilst parsing
507 2001-09-11 Michael Meissner <meissner@redhat.com>
509 * config/mips/mips.h (CC1_SPEC): If -mgp32 default to -mfp32, and
510 give an error if the user uses -mfp32.
511 (CPP_FPR_SPEC): Define __mips_fpr to be 32 or 64 depending on the
513 (CPP_SPEC): Define __mips_fpr to be 32 or 64, depending on the
514 floating point register size.
515 (EXTRA_SPECS): Add CPP_FPR_SPEC.
517 * config/mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Use
518 HOST_WIDE_INT_PRINT_DEC to properly print the result of
520 * config/mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Ditto.
521 * config/mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Ditto.
523 2001-09-11 Hans-Peter Nilsson <hp@axis.com>
525 * dbxout.c (dbxout_parms): Fix typo in comment.
526 * unroll.c (loop_find_equiv_value): Ditto.
527 * toplev.c (rest_of_compilation): Ditto.
528 * loop.c (scan_loop): Ditto.
529 * dwarf2out.c (struct dw_fde_struct): Ditto.
531 2001-09-10 Zack Weinberg <zackw@panix.com>
533 * cpplex.c (parse_identifier): Fast-path optimize. Avoid
534 copying identifier when we're just going to throw it away.
535 (parse_identifier_slow): New routine to handle abnormal cases.
536 (_cpp_lex_token): Update call site.
538 * hashtable.c (ht_lookup): Don't assume that the string we've
539 been given is NUL-terminated.
540 * system.h: #define __builtin_expect(a, b) to (a) if not
543 2001-09-10 Michael Meissner <meissner@redhat.com>
545 * config.gcc (sparc64-*-solaris2): Add alias to be compatible with
548 2001-09-10 David Edelsohn <edelsohn@gnu.org>
550 * config/rs6000/t-aix43 (SHLIB_INSTALL): Use mode 751 (a+x,r-o).
552 Mon Sep 10 16:26:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
554 * builtins.c (c_getstr): Correct thinko in last change and further
557 2001-09-10 Tim Freeman <tim@fungibole.com>
559 * dwarf2out.c (incomplete_types, decl_scope_table): Make them
560 into varray's and register them as roots with the garbage
561 collector so they are not collected too soon.
563 Mon Sep 10 14:21:26 CEST 2001 Jan Hubicka <jh@suse.cz>
565 * Makefile.in (cfg.o, cfganal.o, cfgloop.o, cfgbuild.o, cfgcleanup.o):
567 * basic-block.h (flow_obstack, label_value_list,
568 tail_recursion_label_list): Declare
569 (tidy_fallthru_edges): Declare.
570 (expunge_block, last_loop_beg_note): Delete.
571 (can_fallthru, flow_nodes_print, flow_edge_list_print): Declare.
573 (basic_block_for_insn, label_value_list): Move from flow.c; make global.
574 (n_basic_blocks, n_edges, basic_block_info, entry_exit_blocks,
575 init_flow, clear_edges, can_delete_note_p, can_delete_label_p,
576 flow_delete_insn, flow_delete_insn_chain, create_basic_block,
577 expunge_block, flow_delete_block, compute_bb_for_insn,
578 update_bb_for_insn, set_block_for_insn, set_block_for_new_insns,
579 make_edge, remove_edge, redirect_edge_succ, redirect_edge_succ_nodup,
580 redirect_edge_pred, split_block, marge_blocks_nomove, block_label,
581 try_redirect_by_replacing_jump, last_loop_beg_note,
582 redirect_edge_and_branch, redirect_edge_and_branch_force,
583 tidy_fallthru_edge, tidy_fallthru_edges, back_edge_of_syntactic_loop_p,
584 split_edge, insert_insn_on_edge, commit_one_edge_insertion,
585 commit_edge_insertions, dump_flow_info, debug_flow_info,
586 dump_edge_info, dump_bb, debug_bb, debug_bb_n, print_rtl_with_bb,
587 verify_flow_info, purge_dead_edges, purge_all_dead_edges):
588 Move here from flow.c
589 * cfganal.c: New file.
590 (forwarder_block_p, can_fallthru, mark_critical_edges,
591 mark_dfs_back_edges, need_fake_edge_p, flow_call_edges_add,
592 find_unreachable_blocks, create_edge_list, free_edge_list,
593 print_edge_list, verify_edge_list, find_edge_index, flow_nodes_print,
594 flow_edge_list_print, remove_fake_successors, remove_fake_edges,
595 add_noreturn_fake_exit_edges, connect_infinite_loops_to_exit,
596 flow_reverse_top_sort_order_compute, flow_depth_first_order_compute,
597 flow_dfs_compute_reverse_init, flow_dfs-compute_reverse_add_bb,
598 flow_dfs-compute_reverse_execute, flow_dfs_compute_reverse_finish);
599 Move here from flow.c
600 * cfgbuild.c: New file
601 (count_basic_blocks, find_label_refs, make_label_edge, make_eh_edge,
602 make_edges, find_basic_blocks_1, find_basic_blocks,
603 find_sub_basic_blocks): Move here from flow.c
604 * cfgcleanup.c: New file.
605 (try_simplify_condjump, try_forward_edges, tail_recursion_label_p,
606 merge_blocks_move_predecessor_nojumps,
607 merge_blocks_move_successor_nojumps, merge_blocks,
608 flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
609 try_crossjump_bb, try_optimize_cfg): Move here from flow.c
610 (delete_unreachable_blocks, cleanup_cfg): Likewise; return true
612 * cfgloop.c: New file
613 (flow_loops_cfg_dump, flow_loop_nested_p, flow_loop_dump,
614 flow_loops_dump, flow_loops_free, flow_loop_entry_edges_find,
615 flow_loop_exit_edges_find, flow_loop_nodes_find,
616 flow_loop_pre_header_scan, flow_loop_pre_header_find,
617 flow_loop_tree_node_add, flow_loops_tree_build,
618 flow_loop_level_compute, flow_loops_level_compute, flow_loop_scan,
619 flow_loops_find, flow_loops_update, flow_loop_outside_edge_p):
620 Move here from flow.c
621 * flow.c: Remove everything moved elsewhere
622 * output.h (cleanup_cfg): Return bool.
624 * bb-reorder.c (reorder_block_def): Remove 'index'.
625 (insert_intra_1): Add argument BB, set block for new note.
626 (make_reorder_chain): Do not depdent on BB indexes.
627 (make_reorder_chain_1): Do not use BB indexes.
628 (label_for_bb): Likewise; set BB for new insn.
629 (emit_jump_to_block_after): Likewise.
630 (fixup_reoder_chain): Sanity check that all basic blocks
631 are chained; verify newly created insn chain; remove
632 undocnitional jump simplifying; Do not use BB indexes;
633 properly initialize count and frequency information;
634 dump reordered sequence.
635 (insert_intra_bb_scope_notes): update call of insert_intra_1.
636 (insert_inter_bb_scope_notes): Set block for new insn.
637 (reorder_basic_blocks): Dump flow info before reoredering.
639 Mon Sep 10 06:47:35 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
641 * alias.c (clear_reg_alias_info): Use K&R format definition.
642 Avoid unsigned warning.
643 * builtins.c: Use "unsigned int", not "unsigned".
644 (target_char_cast): Use host_integerp and tree_low_cst.
645 (expand_builtin_args_info, expand_builtin_frame_address): Likewise.
646 (c_strlen): Likewise; OFFSET now HOST_WIDE_INT.
647 (c_getstr): Likewise.
648 (std_expand_builtin_va_arg): Use int_size_in_bytes.
649 (builtin_memcpy_read_str): Avoid unsigned warning.
650 (expand_builtin_memcpy): Alignments are unsigned.
651 (expand_builtin_strncpy, expand_builtin_memset): Likewise.
652 (expand_builtin_expect_jump): Use integer_zerop and integer_onep.
653 * predict.c (expensive_function_p): LIMIT now unsigned.
654 * resource.c (mark_target_live_regs): Make some vars unsigned.
655 * sdbout.c: Use "unsigned int", not "unsigned".
656 (MAKE_LINE_SAFE): Add cast to avoid unsigned warning.
657 (sdbout_source_line): Likewise.
658 (sdbout_record_type_name): Remove "const" for NAME declaration.
659 * config/alpha/alpha.c (alpha_expand_block_move): Whitespace fixes.
661 2001-09-10 Richard Sandiford <rsandifo@redhat.com>
663 * calls.c (store_one_arg): Expand comment.
665 2001-09-10 Roman Lechtchinsky <rl@cs.tu-berlin.de>
667 * calls.c (store_one_arg): Make sure that the entire argument is
668 pushed if STACK_PARMS_IN_REG_PARM_AREA is defined.
670 2001-09-09 Richard Henderson <rth@redhat.com>
672 * emit-rtl.c (adjust_address): Fix mode for LO_SUM.
674 Sun Sep 9 10:43:17 CEST 2001 Jan Hubicka <jh@suse.cz>
676 * loop.c (combine_givs): Fix computing of benefit once giv is combined.
678 2001-09-09 Richard Henderson <rth@redhat.com>
680 * config/alpha/alpha.c (alpha_next_sequence_number): New.
681 (alpha_this_literal_sequence_number): New.
682 (alpha_this_gpdisp_sequence_number): New.
683 (some_operand, input_operand): Add HIGH.
684 (local_symbolic_operand): New.
685 (alpha_encode_section_info): New.
686 (alpha_legitimate_address_p): Allow LO_SUM.
687 (alpha_legitimize_address): Generate HIGH+LO_SUM.
688 (alpha_expand_mov): Likewise.
689 (secondary_reload_class): Check memory_operand not general_operand
691 (alpha_expand_unaligned_load): Force LO_SUM addresses into a register.
692 (alpha_expand_unaligned_store): Likewise.
693 (alpha_expand_unaligned_load_words): Likewise.
694 (alpha_expand_unaligned_store_words): Likewise.
695 (alpha_expand_block_clear): Likewise.
696 (print_operand): Handle %#, %*, %H.
697 (print_operand_address): Handle LO_SUM.
699 (alpha_does_function_need_gp): Use it.
700 (alpha_expand_block_move): Fix signed compare warnings.
701 (alpha_sa_mask, alpha_align_insns): Likewise.
702 * config/alpha/alpha-protos.h: Update.
703 * config/alpha/alpha.h (TARGET_EXPLICIT_RELOCS): New.
704 (MASK_EXPLICIT_RELOCS): New.
705 (TARGET_SWITCHES): Add -mexplicit-relocs.
706 (EXTRA_CONSTRAINT): Add 'T'.
707 (PREFERRED_RELOAD_CLASS): HIGH goes in GENERAL_REGS.
708 (ASM_APP_ON, ASM_APP_OFF): Turn on and off asm macro expansion.
709 (ENCODE_SECTION_INFO): Out line.
710 (REDO_SECTION_INFO_P): New.
711 (STRIP_NAME_ENCODING): New.
712 (ASM_OUTPUT_LABELREF): New.
713 (PRINT_OPERAND_PUNCT_VALID_P): Add #, *.
714 (PREDICATE_CODES): Update.
715 * config/alpha/alpha.md (divmodsi_internal_er, divmoddi_internal_er,
716 call_osf_1_er_noreturn, call_osf_1_er, movdi_er_low, movdi_er_nofix,
717 movdi_er_fix, prologue_ldgp_1_er, builtin_setjmp_receiver_sub_label_er,
718 builtin_setjmp_receiver_er, exception_receiver_1_er,
719 call_value_osf_1_er): New patterns.
720 (sibcall_osf_1, sibcall_value_osf_1): Remove register alternative.
721 (movqi, movhi, movsi): Add explicit $31 base register to lda.
722 * config/alpha/elf.h (ASM_FILE_START): Set nomacro if explicit relocs.
723 (FINAL_PRESCAN_INSN): New.
725 Sat Sep 8 22:00:55 CEST 2001 Jan Hubicka <jh@suse.cz>
727 * reg-stack.c (subst_stack_regs_pat): Fix fcmov reversal code.
729 2001-09-08 Andreas Jaeger <aj@suse.de>
731 * i386.h (TARGET_SWITCHES): Fix description.
733 2001-09-07 David Edelsohn <edelsohn@gnu.org>
735 * rs6000.c (num_insns_constant): Compute number of instructions
738 * doc/install.texi: Explain AIX exception handling work-around.
739 Update URL for AIX fixes.
741 2001-09-07 Jim Wilson <wilson@redhat.com>
743 * alias.c (clear_reg_alias_info): New.
744 * flow.c (attempt_auto_inc): Call clear_reg_alias_info.
745 * rtl.h (clear_reg_alias_info): Declare.
747 2001-09-07 Roman Lechtchinsky <rl@cs.tu-berlin.de>
749 * real.c (EMUSHORT,EMUSHORT_SIZE): Use HImode if no 16-bit type is
751 (UEMUSHORT): New. Use instead of unsigned EMUSHORT.
752 (m16m,edivm,emulm): Change declaration to match definition.
754 2001-09-07 Roman Lechtchinsky <rl@cs.tu-berlin.de>
756 * reload.c (push_reload): Check for subreg_lowpart_p instead of
757 SUBREG_BYTE being 0 when determining if the inner part of a subreg
760 2001-09-07 Roman Lechtchinsky <rl@cs.tu-berlin.de>
762 * c-common.c (signed_or_unsigned_type): Handle machine mode types
763 which have no corresponding C type.
764 * fold_const.c (target_isinf,target_isnan,target_negative): Update
765 the representation of 64-bit doubles to work with 64-bit ints.
767 2001-09-07 Aldy Hernandez <aldyh@redhat.com>
769 * config/mips/mips.c (override_options): Do not override ISA when ABI
770 specified if MIPS_CPU_STRING_DEFAULT was specified.
772 2001-09-07 Richard Henderson <rth@redhat.com>
774 * loop.c (record_giv): Avoid simplifying MULT to ASHIFT.
775 (express_from_1): Wrap lines.
776 * rtlanal.c (commutative_operand_precedence): Rename from
777 operand_preference; export.
779 * simplify-rtx.c (simplify_gen_binary): Tidy +/- const_int handling.
780 (simplify_binary_operation): Invoke simplify_plus_minus on
781 (CONST (PLUS ...)) as well.
782 (struct simplify_plus_minus_op_data): New.
783 (simplify_plus_minus_op_data_cmp): New.
784 (simplify_plus_minus): Use them. Avoid infinite recursion with
785 simplify_binary_operation wrt CONST.
787 Fri Sep 7 11:52:30 2001 Kazu Hirata <kazu@hxi.com>
789 * h8300-protos.h (general_operand_dst_push): Remove.
790 * h8300.c (general_operand_dst_push): Likewise.
791 * h8300.h (OK_FOR_T): Likewise.
792 (EXTRA_CONSTRAINTS): Do not use OK_FOR_T.
793 * h8300.md (pushqi_h8300): New.
794 (pushqi_h8300hs): Likewise.
796 (pushhi_h8300): Likewise.
797 (pushhi_h8300hs): Likewise.
800 Fri Sep 7 12:56:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
802 * genattrtab.c (attr_printf): First arg is unsigned.
803 Clean up formatting of callers.
805 2001-09-06 Aldy Hernandez <aldyh@redhat.com>
807 * config/mips/mips.c (override_options): Allow abi32 with 64 bit
810 2001-09-07 Andreas Jaeger <aj@suse.de>
812 * i386.h (TARGET_SWITCHES): Fix descriptions.
814 2001-09-07 Matt Kraai <kraai@alumni.carnegiemellon.edu>
816 * stor-layout.c (compute_record_mode): Check DECL_SIZE is set.
818 2001-09-06 Ira Ruben <ira@apple.com>
820 Remove OP_IDENTIFIER.
821 * tree.def (OP_IDENTIFIER): Remove.
822 * tree.c (tree_node_kind enum): Remove op_id_kind.
823 (tree_node_kind_names): Remove "op_identifiers".
824 (make_node): Remove OP_IDENTIFIER test.
825 (build_op_identifier): Removed because it isn't being used.
826 * print-tree.c (print_node): Remove OP_IDENTIFIER case.
827 * cp/pt.c (tsubst): Remove OP_IDENTIFIER case.
829 2001-09-06 Richard Henderson <rth@redhat.com>
831 * simplify-rtx.c (simplify_binary_operation): Revert last change.
833 2001-09-06 Richard Henderson <rth@redhat.com>
835 * simplify-rtx.c (simplify_binary_operation): Simplify contents
838 2001-09-06 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
840 * config/rs6000/rs6000.c (rs6000_emit_prologue): Fix DWARF2 register
841 number used for CR register.
843 Thu Sep 6 11:16:35 2001 Jeffrey A Law (law@cygnus.com)
844 Joern Rennecke (amylaar@cygnus.com)
846 * h8300-protos.h (h8300_return_addr_rtx): New prototype.
847 * h8300.c (initial_offset): Handle offset between RP and FP.
848 (h8300_return_addr_rtx): New function.
849 * h8300.h (FIRST_PSEUDO_REGISTER): Bump now that we have a
851 (FIXED_REGISTERS, CALL_USED_REGISTERS): Corresponding changes.
852 (REG_ALLOC_ORDER, RETURN_ADDRESS_POINTER_REGNUM): Likewise.
853 (REG_CLASS_CONTENTS, ELIMINABLE_REGS): Likewise.
854 (CAN_ELIMINATE, REGISTER_NAMES):
855 (RETURN_ADDR_RTX): Call h8300_return_addr_rtx.
857 2001-09-06 Nathan Sidwell <nathan@codesourcery.com>
859 Remove TYPE_NONCOPIED_PARTS.
860 * tree.h (TYPE_NONCOPIED_PARTS): Remove.
861 (struct tree_type): Remove noncopied_parts.
862 * c-tree.h (TYPE_ACTUAL_ARG_TYPES): Map onto TYPE_BINFO.
863 * expr.c (save_noncopied_parts, init_noncopied_parts): Remove.
864 (fixed_type_p): Remove.
865 (expand_expr, INIT_EXPR): Don't deal with noncopied parts.
866 (expand_expr, MODIFY_EXPR): Likewise.
867 * ggc-common.c (ggc_mark_trees): Remove TYPE_NONCOPIED_PARTS.
868 * doc/c-tree.texi: Remove TYPE_NONCOPIED_PARTS FIXME.
870 2001-09-06 Alan Modra <amodra@bigpond.net.au>
872 * config/rs6000/rs6000.c (mask_operand): Use signed vars to avoid
874 (mask64_operand): Likewise.
875 (includes_rldic_lshift_p): Likewise.
876 (includes_rldicr_lshift_p): Likewise.
878 2001-09-05 Ziemowit Laski <zlaski@apple.com>
880 * objc/objc-act.c (build_message_expr): If a class method cannot
881 be found, do not issue a warning if a corresponding instance
882 method exists in the root class.
884 2001-09-05 Richard Henderson <rth@redhat.com>
886 * config/alpha/alpha.c (alpha_expand_mov): Initialize temp.
888 2001-09-05 Zack Weinberg <zack@codesourcery.com>
890 * function.c (ggc_mark_struct_function): Mark f->outer.
891 * toplev.c (rest_of_compilation): Clear DECL_SAVED_INSNS here...
892 * integrate.c (output_inline_function): ... not here.
894 Wed Sep 5 17:28:49 CEST 2001 Jan Hubicka <jh@suse.cz>
896 * profile.c (branch_prob): Call add_noreturn_fake_exit_edges.
898 * i386.c (size_cost): New static variable.
899 (override_function): Use size_cost when -Os is specified.
901 * i386.c (ix86_expand_prologue): Set use_fast_prologue_epilogue
902 properly; Use current_function_calls_eh_return.
903 (ix86_expand_epilogue): Avoid dummy optimize_size tests;
904 use leave to avoid depdendancy chain.
906 * local-alloc.c (update_equiv_regs): Use CFG to iterate over INSN stream;
907 get BB loop_depth instead of computing it from LOOP notes.
909 * reg-stack.c (subst_stack_reg_pat): Handle reversal of conditional moves.
911 2001-09-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
913 * som.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
914 * pa.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
915 UNALIGNED_DOUBLE_INT_ASM_OP): Define
917 2001-09-05 Jeffrey A Law (law@cygnus.com)
918 Jason Merrill (jason@redhat.com)
920 * stor-layout.c (layout_type): Complain if an array's size can
921 not be represented in a size_t.
923 * config/h8300/elf.h (ENDFILE_SPEC, STARTFILE_SPEC): Define.
925 2001-09-05 David Billinghurst <David.Billinghurst@riotinto.com>
927 * gcc.c: (process_command) Add parentheses around assignment
930 2001-09-05 Richard Sandiford <rsandifo@redhat.com>
932 * config/mips/mips.c (save_restore_insns): Don't mark any register
933 save slots as unchanging if current_function_calls_eh_return.
935 2001-09-05 Richard Henderson <rth@redhat.com>
937 * config/alpha/alpha.c (alpha_legitimate_address_p): New.
938 * config/alpha/alpha-protos.h: Declare it.
939 * config/alpha/alpha.h (GO_IF_LEGITIMATE_ADDRESS): Move to c file.
940 (NONSTRICT_REG_OK_FOR_BASE_P): Rename from non-strict macro.
941 (NONSTRICT_REG_OK_FP_BASE_P): Likewise.
942 (STRICT_REG_OK_FOR_BASE_P): Rename from strict macro.
943 (REG_OK_FOR_BASE_P): Select one of the above.
945 2001-09-05 Richard Sandiford <rsandifo@redhat.com>
947 * config/mips/t-elf (EXTRA_PARTS): Use EXTRA_MULTILIB_PARTS instead.
948 (crti.o): Prefix name of object file with $(T).
951 2001-09-05 David S. Miller <davem@redhat.com>
953 * config/sparc/linux.h: Set CPLUSPLUS_CPP_SPEC.
954 * config/sparc/linux64.h: Likewise.
956 2001-09-05 Andreas Jaeger <aj@suse.de>
958 * doc/invoke.texi (i386 Options): -mwide-multiply is not
959 available anymore, remove the documentation.
960 (i386 Options): Fix typo, cleanup index entries.
962 * prefix.c (concat): Remove, we can use the version from liberty.
964 2001-09-05 Richard Henderson <rth@redhat.com>
966 * config/alpha/alpha.c (alpha_expand_mov, alpha_expand_mov_nobwx):
967 New functions split out of md file expanders.
968 * config/alpha/alpha-protos.h: Declare them.
969 * config/alpha/alpha.md (movqi, movhi, movsi, movdi): Use them.
971 2001-09-05 Neil Booth <neil@daikokuya.demon.co.uk>
973 * cppmacro.c (funlike_invocation_p): No need to restore context.
975 2001-09-04 Richard Henderson <rth@redhat.com>
977 * reload.c (push_reload): Export.
978 * reload.h (push_reload): Declare it.
980 * config/alpha/alpha.h (LEGITIMIZE_ADDRESS): Move out o' line.
981 (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
982 * config/alpha/alpha.c (alpha_legitimize_address): New.
983 (alpha_legitimize_reload_address): Likewise.
984 * config/alpha/alpha-protos.h: Declare them.
986 2001-09-04 Stan Shebs <shebs@apple.com>
988 * config/darwin.h (ASM_DECLARE_FUNCTION_NAME): Define.
989 * config/darwin.c (machopic_stub_name): Account for internally
990 generated lib calls such as memcpy.
992 2001-09-04 Richard Henderson <rth@redhat.com>
994 * unwind.h (_UA_END_OF_STACK): New flag.
995 * unwind.inc (_Unwind_ForcedUnwind_Phase2): Set it.
997 Tue Sep 4 11:16:35 2001 Jeffrey A Law (law@cygnus.com)
999 * h8300/elf.h (LINK_SPEC): Redefine appropriately for the H8.
1001 2001-09-04 Richard Sandiford <rsandifo@redhat.com>
1003 * config/mips/mips.c (save_restore_insns): Change base_offset to
1004 fp_offset in second call to mips_emit_frame_related_store.
1006 2001-09-04 Hans-Peter Nilsson <hp@axis.com>
1008 * doc/rtl.texi: Mention that besides as a CODE_LABEL, a label can
1009 sometimes be represented as a NOTE of type
1010 NOTE_INSN_DELETED_LABEL.
1011 (Insns): Document NOTE_INSN_DELETED_LABEL.
1013 2001-09-04 Nathan Sidwell <nathan@codesourcery.com>
1015 * c-common.h (tree_dump_index): Add more comments.
1016 * c-dump.c (dump_files): Name flags `tree' rather than `ast'.
1017 (dump_option_value_info): New struct.
1018 (dump_options): New array.
1019 (dump_switch_p): Parse switch options symbolically.
1020 * doc/invoke.texi (-fdump-ast): Rename to ...
1021 (-fdump-tree): ... here. Document that options are symbolic, and
1022 not all are applicable.
1024 2001-09-04 David S. Miller <davem@redhat.com>
1026 * config/sparc/sparc.md (define_splits): Kill constraints.
1028 Cleanup redundant and unused insn attributes.
1029 * config/sparc/sparc.md (define_attr "insn"): Kill address, unary,
1030 binary, and move. Mark ialu as default.
1031 (commented out define_function_unit "alu"): Kill.
1032 (define_attr "use_clobbered"): Kill.
1033 (whole file): Kill address insn type references. Replace
1034 all unary/binary/move references with ialu.
1035 * config/sparc/sparc.c (whole file): Kill TYPE_ADDRESS
1036 references. Replace TYPE_{UNARY,BINARY,MOVE} references with
1039 Simplify length insn attribute and make more judicious use
1040 of insn attribute defaulting.
1041 * config/sparc/sparc.md (all insns with length > one): Mark as
1042 insn type multi if real instructions, else use default if
1043 it is a forced splitter.
1044 (all insns with length == one): Use default insn length.
1045 (all insns of type ialu): Use default insn type.
1047 Fix erroneous insn attribute settings.
1048 (addx): Set insn type to misc.
1049 (mulsidi3_sp64, const_mulsidi3_sp64, umulsidi3_sp64,
1050 const_umulsidi3_sp64): Set insn type to imul.
1052 Track SFmode vs DFmode insns according to UltraSPARC
1054 * config/sparc/sparc.md ("fptype"): New attribute, default
1056 (all DFmode single insns): Mark as fptype "double".
1058 2001-09-03 Jakub Jelinek <jakub@redhat.com>
1060 * loop.c (express_from_1): Fix CONSTANT_P(a) case.
1062 2001-09-03 Richard Henderson <rth@redhat.com>
1064 * function.h (struct function): Add arg_pointer_save_area_init.
1065 * function.c (expand_function_end): Init arg_pointer_save_area.
1066 (get_arg_pointer_save_area): Do not init arg_pointer_save_area
1067 when called from a nested function.
1069 2001-09-02 Angela Marie Thomas <angela@cygnus.com>
1071 * fixinc/Makefile.in: Regenerate fixincl.x only if maintainer-mode
1074 Sun Sep 2 18:37:54 CEST 2001 Jan Hubicka <jh@suse.cz>
1076 * reload1.c (fixup_abnormal_edges): Allow NOTEs in the sequence.
1078 2001-09-01 Geoffrey Keating <geoffk@redhat.com>
1080 * expr.c (push_block): Make sane use of STACK_GROWS_DOWNWARD.
1081 (emit_push_insn): Use specified padding direction when
1082 STACK_PUSH_CODE is POST_INC.
1084 * config/stormy16/stormy16.h (DWARF2_UNWIND_INFO): Define to 0.
1086 2001-09-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1088 * mips.h (INITIAL_ELIMINATION_OFFSET): Add missing `else abort'.
1090 2001-09-01 Neil Booth <neil@daikokuya.demon.co.uk>
1092 * cppinit.c (cpp_start_read): Free the imacros list as we
1093 traverse it. Don't free the chains before returning.
1094 (_cpp_push_next_buffer): Only try pushing buffers if we've
1095 completed -imacros handling.
1097 2001-08-31 Eric Christopher <echristo@redhat.com>
1099 * gcc.c (handle_braces): Add explaination for abort.
1101 2001-08-30 Roman Zippel <zippel@linux-m68k.org>
1103 * expmed.c (store_bit_field): Update to patch from 2001-08-27:
1104 move adjustment of bitpos instead.
1106 2001-08-31 Zack Weinberg <zack@codesourcery.com>
1108 * function.c: Remove all_functions. Make outer_function_chain
1110 (init_function_start): Don't add new function structure to
1112 (find_function_data, push_function_context_to,
1113 pop_function_context_from, put_var_into_stack,
1114 trampoline_address): Update for changed structure element names.
1115 (push_function_context_to): Disentangle.
1116 (free_after_compilation): Also free F.
1117 (expand_dummy_function_end): Don't free cfun here.
1118 (put_var_into_stack): Comment why we can't use find_function_data here.
1119 (fix_lexical_addr, trampoline_address, ): Use find_function_data.
1120 (mark_function_chain): Split into maybe_mark_struct_function and
1121 ggc_mark_struct_function. Export the latter.
1122 (init_function_once): Mark from cfun and outer_function_chain;
1125 * function.h (struct function): Kill next_global. Rename next
1126 to outer. All users updated to match.
1127 (all_functions, outer_function_chain): Don't declare.
1129 * ggc-common.c (ggc_mark_trees): Mark DECL_SAVED_INSNS.
1130 * integrate.c (output_inline_function): Clear DECL_SAVED_INSNS,
1131 don't touch f->inlinable, after calling rest_of_compilation.
1133 * tree.h: Forward-declare struct function. Prototype
1134 ggc_mark_struct_function.
1136 2001-08-31 Kazu Hirata <kazu@hxi.com>
1138 * config/h8300/h8300.md (*andorhi3): Fix typos.
1140 2001-08-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1142 * calls.c (emit_library_call_value): Don't use a fixed
1143 argument after VA_CLOSE, i.e. out of scope in traditional C.
1145 * emit-rtl.c (gen_rtvec): Likewise.
1147 2001-08-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1149 * Makefile.in (c-pragma.o): Depend on output.h.
1150 (reorg.o): Depend on except.h.
1152 * c-pragma.c: Include output.h.
1154 * reorg.c: Include except.h.
1156 * unwind-dw2.c: Call __builtin_alloca, not alloca.
1158 2001-08-31 Richard Henderson <rth@redhat.com>
1160 * sched-deps.c (add_dependence): Don't elide dependancy if the
1161 conditional used by insn is modified in elem.
1163 2001-08-31 Nick Clifton <nickc@cambridge.redhat.com>
1165 * config/v850/v850.h (OUTPUT_ADDR_CONST_EXTRA): Define.
1167 2001-08-31 Diego Novillo <dnovillo@redhat.com>
1169 * c-decl.c (c_decode_option): Skip '-f' prefix before calling
1172 2001-08-31 Geoffrey Keating <geoffk@redhat.com>
1174 * config/stormy16/stormy16.c (stormy16_asm_out_destructor): New
1176 (stormy16_asm_out_constructor): New function.
1177 (TARGET_ASM_CONSTRUCTOR): Define.
1178 (TARGET_ASM_DESTRUCTOR): Define.
1180 2001-08-31 Andreas Jaeger <aj@suse.de>
1182 * gcse.c (add_label_notes): REG_LABEL is an INSN_LIST.
1183 * loop.c (add_label_notes): Likewise.
1184 * reload.c (find_reloads): Likewise.
1185 * config/sh/sh.c (machine_dependent_reorg): Likewise.
1187 2001-08-31 Jason Merrill <jason_merrill@redhat.com>
1189 * unwind-pe.h (read_uleb128, read_sleb128): Move actual reading
1190 code here. Take _Unwind_{W,Sw}ord*.
1191 (read_encoded_value_with_base): Use them.
1192 * unwind-dw2.c (_Unwind_FrameState): Make cfa_offset and cfa_reg
1194 (extract_cie_info): Simplify read_?leb128 handling.
1195 (execute_stack_op, execute_cfa_program): Likewise.
1196 * unwind-dw2-fde.c (get_cie_encoding): Likewise.
1198 2001-08-31 Geoffrey Keating <geoffk@redhat.com>
1200 * config/stormy16/stormy16.c (stormy16_expand_epilogue): Use
1201 the frame pointer to pop the stack if convenient.
1203 * config/stormy16/stormy16.c (stormy16_initialize_trampoline):
1204 Don't use post-increment before combine.
1205 * config/stormy16/stormy16.h (STATIC_CHAIN_REGNUM): Don't use
1206 a call-saved register.
1208 2001-08-31 Andreas Jaeger <aj@suse.de>
1210 * jump.c (mark_jump_label): Revert patch from 2001-08-28, the
1213 2001-08-30 Geoffrey Keating <geoffk@redhat.com>
1215 * config/stormy16/stormy16.md (udivmodhi4): Express using UDIV/UMOD,
1216 not DIV/MOD, of course.
1218 2001-08-30 Vladimir Makarov <vmakarov@redhat.com>
1220 * rtl.def: Undo my patch commited 2001-08-27.
1222 * genattrtab.c: Ditto.
1226 * sched-int.h: Ditto.
1228 * target-def.h: Ditto.
1232 * haifa-sched.c: Ditto.
1234 * sched-rgn.c: Ditto.
1236 * sched-vis.c: Ditto.
1238 * Makefile.in: Ditto.
1240 * doc/md.texi: Ditto.
1242 * doc/tm.texi: Ditto.
1244 * doc/contrib.texi: Ditto.
1246 * doc/gcc.texi: Ditto.
1248 * genattrtab.h: Remove it.
1250 * genautomata.c: Remove it.
1252 * genattr.c: Undo my patch and Richard Henderson's patch commited
1255 Thu Aug 30 19:22:15 2001 J"orn Rennecke <amylaar@redhat.com>
1257 * config.gcc (h8300-*-elf*): New case.
1258 * h8300.h (CPP_SPEC): Add subtarget_cpp_spec.
1259 (SUBTARGET_CPP_SPEC): Define.
1260 (EXTRA_SPECS): Define.
1261 (SUBTARGET_EXTRA_SPECS): Define.
1262 * config/h8300/crti.asm, config/h8300/crtn.asm: New files.
1263 * config/h8300/elf.h, config/h8300/t-elf: Likewise.
1265 Thu Aug 30 18:50:37 2001 J"orn Rennecke <amylaar@redhat.com>
1267 * t-h8300 (LIB1ASMFUNCS): Add _fixunssfdi and _fixunssfsi_asm.
1268 (LIB2FUNCS_EXTRA): Define.
1269 config/h8300/lib1funcs.asm: New part: L_fixunssfsi_asm .
1270 config/h8300/fixunssfsi.c: New file.
1272 2001-08-30 Kazu Hirata <kazu@hxi.com>
1274 * config/h8300/h8300.md (zero_extendqihi2): Changes to
1275 define_expand to accomodate target-specific attributes.
1276 (anonymous zero_extendqihi2 patterns): New.
1278 Thu Aug 30 18:10:56 2001 J"orn Rennecke <amylaar@redhat.com>
1280 * h8300.md (*andorhi3): New pattern.
1282 Thu Aug 30 16:00:31 2001 J"orn Rennecke <amylaar@redhat.com>
1284 * h8300.c (dosize): Fix test for "sub".
1286 Thu Aug 30 10:21:43 2001 J"orn Rennecke <amylaar@redhat.com>
1288 * c-typeck.c (pointer_diff): Try to eliminate common term before
1291 2001-08-30 Nick Clifton <nickc@cambridge.redhat.com>
1293 * config/arm/arm.c (arm_compute_initial_elimination_offset):
1294 Account for the saves of the FP registers.
1296 * config/arm/unknown-elf.h (TEXT_SECTION): Delete.
1297 (TEXT_SECTION_ASM_OP): Define.
1298 (INIT_SECTION_ASM_OP): Define.
1299 (FINI_SECTION_ASM_OP): Define.
1300 (SUBTARGET_EXTRA_SECTIONS): Remove trailing comma.
1301 (RDATA_SECTION_FUNCITON): Provide prototype.
1303 2001-08-29 Geoffrey Keating <geoffk@redhat.com>
1305 * reload1.c (move2add_note_store): Correct typo checking for
1308 2001-08-29 Andrew MacLeod <amacleod@redhat.com>
1310 * gcse.c (compute_hash_table): The SRC part of an insn with a RETVAL
1311 note should not be considered outside the libcall block.
1313 2001-08-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1315 * genattrtab.c (attr_printf): Use VA_OPEN/VA_FIXEDARG/VA_CLOSE.
1317 2001-08-29 Kazu Hirata <kazu@hxi.com>
1319 * config/h8300/h8300.md (movsi_h8300hs): Make it 64-bit safe.
1321 2001-08-29 Kazu Hirata <kazu@hxi.com>
1323 * config/h8300/h8300-protos.h: Add a prototype for
1325 * config/h8300/h8300.c (emit_logical_op): New.
1326 * config/h8300/h8300.md (andhi3): Use emit_logical_op.
1333 2001-08-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
1335 * pa.c (move_operand): Cast GET_MODE_SIZE results to HOST_WIDE_INT for
1336 comparison with rtx INTVAL.
1337 (pa_output_function_prologue): Don't mix signed and unsigned in `?'
1339 * pa.h (FUNCTION_ARG_SIZE): Likewise.
1341 2001-08-29 Kazu Hirata <kazu@hxi.com>
1343 * config/h8300/lib1funcs.asm: Update the copyright. Fix
1346 2001-08-29 Kazu Hirata <kazu@hxi.com>
1348 * config/h8300/h8300.md (anonymous movhi pattern): Don't move
1349 (reg n) to (mem (pre_dec (reg n))
1350 (anonymous movsi pattern): Likewise.
1352 2001-08-29 Kazu Hirata <kazu@hxi.com>
1354 * config/h8300/h8300.h (RETURN_ADDR_RTX): New.
1356 2001-08-29 Kazu Hirata <kazu@hxi.com>
1358 * config/h8300/h8300.md (movsi_h8300hs): Optimize loading of
1359 several special constants.
1361 2001-08-29 Kazu Hirata <kazu@hxi.com>
1363 * config/h8300/lib1funcs.asm: Fix comment typos.
1365 2001-08-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1367 * iris6.h (ASM_DECLARE_OBJECT_NAME, ASM_FINISH_DECLARE_OBJECT):
1368 Fix format specifier warnings.
1370 * irix6-libc-compat.c (inet_ntoa, inet_lnaof, inet_netof,
1371 inet_makeaddr, semctl): Prototype.
1373 * mips.c (compute_frame_size): Fix signed/unsigned warnings.
1374 (save_restore_insns): Use base_offset, not gp_offset.
1376 * mips.h (GP_REG_OR_PSEUDO_STRICT_P): Fix signed/unsigned warning.
1377 (ASM_OUTPUT_BYTE): Fix format specifier warning.
1379 2001-08-29 Richard Henderson <rth@redhat.com>
1381 * bb-reorder.c (function_tail_eff_head): New.
1382 (record_effective_endpoints): Set it.
1383 (fixup_reorder_chain): Use it.
1385 2001-08-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1387 * dwarf2asm.c (dw2_asm_output_nstring): Fix typo in previous change.
1389 2001-08-28 Dale Johannesen <dalej@apple.com>
1391 * config/darwin.c (machopic_function_base_name): Add const
1392 qualifier to a string.
1393 (darwin_encode_section_info): Ditto.
1395 2001-08-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1397 * tree.c (default_valid_attribute_p): Don't use PARAMS on a
1398 function definition.
1400 2001-08-28 Daniel Berlin <dan@cgsoftware.com>
1402 * df.h (struct df): Add rts_order variable.
1404 * df.c (df_visit_next_rts): New function.
1405 (df_visit_next): Renamed to df_visit_next_rc
1406 (df_analyse_1): Allocate/compute/free rts_order as well.
1407 (df_rd_global_compute): Use df_visit_next_rc instead of
1409 (df_ru_global_compute): Use df_visit_next_rts instead of
1412 * flow.c (flow_reverse_top_sort_order_compute): New function.
1414 * basic-block.h: Add prototype.
1416 2001-08-28 Daniel Berlin <dan@cgsoftware.com>
1418 * ssa-ccp.c (ssa_ccp_df_delete_unreachable_insns): For unreachable
1419 blocks, the BB_REACHABLE is now set, rather than aux being
1420 non-NULL. Update the test to reflect this.
1422 2001-08-28 Eric Christopher <echristo@redhat.com>
1424 * config/mips/crtn.asm: Add comment explaining 16 byte alignment.
1425 config/mips/crti.asm: Ditto.
1427 2001-08-28 Eric Christopher <echristo@redhat.com>
1428 Richard Henderson <rth@redhat.com>
1430 * c-pragma.h (add_weak): Move prototype from here...
1431 * output.h (add_weak): ... to here.
1432 * varasm.c (add_weak): Fix typo.
1433 * config/mips/crti.asm: New file.
1434 * config/mips/crtn.asm: Ditto.
1435 * config/mips/elf.h (SBSS_SECTION_ASM_OP) Add #undef.
1436 (CTOR_LISTS_DEFINED_EXTERNALLY): Remove.
1437 (INVOKE__main): Ditto.
1438 (INIT_SECTION_ASM_OP): New.
1439 (FINI_SECTION_ASM_OP): Ditto.
1440 (STARTFILE_SPEC): Add crti.
1441 (ENDFILE_SPEC): Add crtn.
1442 * config/mips/elf64.h: Same.
1443 * config/mips/rtems64.h (INVOKE__main, NAME__MAIN, SYMBOL__MAIN):
1445 * config/mips/vxworks.h: Ditto.
1446 * config/mips/t-elf: Support crti and crtn.
1448 2001-08-28 Alexandre Oliva <aoliva@redhat.com>
1450 * jump.c (mark_jump_label): Fix typo: REG_LABEL is EXPR_LIST, not
1453 2001-08-28 Richard Henderson <rth@redhat.com>
1455 * config/ia64/ia64.md (andcmbi3, iorcmbi3): Fix typos.
1456 (one_cmplbi2 splitter): Remove redundant test.
1458 2001-08-28 Dale Johannesen <dalej@apple.com>
1460 * config/rs6000/darwin.h (DEFAULT_SIGNED_CHAR): Define.
1462 2001-08-28 Danny Smith <dannysmith@users.sourceforge.net>
1464 * config/i386/cygwin.h (BIGGEST_FIELD_ALIGNMENT): Set to 64.
1466 2001-08-28 Stan Shebs <shebs@apple.com>
1468 * config/darwin.h (ASM_OUTPUT_LABELREF): Handle '*' names.
1469 (UNALIGNED_SHORT_ASM_OP): Define.
1470 (UNALIGNED_INT_ASM_OP): Define.
1472 2001-08-28 Will Cohen <wcohen@redhat.com>
1474 * config/rs6000/rs6000.md (store_multiple): Correct RTL
1475 generation for first set.
1477 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
1479 * flow.c (redirect_edge_succ_nodup): Return new edge.
1480 (try_simplify_condjump): Use new edge.
1481 * basic-block.h (redirect_edge_succ_nodup): Update prototype.
1483 * cse.c (cse_basic_block): Skip note instructions.
1485 2001-08-27 Richard Henderson <rth@redhat.com>
1487 * combine.c (combine_simplify_rtx): Don't reverse condition
1488 if there is no reverse for the condition.
1489 (simplify_comparison): Don't simplify subregs from INT to FP.
1491 * config/m68k/m68k.md (sordered, sordered_1, sunordered, sunordered_1,
1492 suneq, suneq_1, sunge, sunge_1, sungt, sungt_1, sunle, sunle_1,
1493 sunlt, sunlt_1, sltgt, sltgt_1, fsogt_1, fsoge_1, fsolt_1, fsole_1,
1494 bordered, bunordered, buneq, bunge, bungt, bunle, bunlt, bltgt,
1495 bordered_rev, bunordered_rev, buneq_rev, bunge_rev, bungt_rev,
1496 bunle_rev, bunlt_rev, bltgt_rev): New patterns.
1498 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
1500 * config/m68k/m68k.md (subreghi1ashrdi_const32, bsetmemqi,
1501 bsetmemqi+1, strict_low_part peephole): Fix SUBREG_BYTE offset.
1503 (adddi_dilshr32, adddi_dishl32): Only data register can be
1504 source for mem destination.
1506 * expmed.c (store_bit_field): Ignore adjustment to bitpos
1507 and use bitnum to decide about register move.
1509 2001-08-27 Richard Henderson <rth@redhat.com>
1511 * genattr.c (main): Emit state_t even when not doing scheduling.
1513 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
1514 Richard Henderson <rth@redhat.com>
1516 * gcse.c (reg_first_set, reg_last_set): Replace with ...
1517 (reg_avail_info, current_bb): ... these.
1518 (oprs_unchanged_p, record_last_reg_set_info): Use them.
1519 (compute_hash_table): Likewise.
1521 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
1523 * flow.c (verify_flow_info): Use checksums to verify edges.
1525 2001-08-27 Richard Henderson <rth@redhat.com>
1527 * genautomata.c (expand_automata): Always create a description.
1529 2001-08-27 Geoffrey Keating <geoffk@redhat.com>
1531 * optabs.c (expand_binop): Correctly handle the carry in multiword
1532 add/subtract operations.
1534 2001-08-27 Fred Fish <fnf@be.com>
1536 * ginclude/stddef.h: Fix typo, __SIZE__TYPE__ should be
1539 2001-08-27 Geoffrey Keating <geoffk@redhat.com>
1541 * reload.c (find_reloads_toplev): Back out this change:
1543 Wed Jul 26 19:44:05 2000 Hans-Peter Nilsson <hp@axis.com>
1545 * reload.c (find_reloads_toplev): Reload a paradoxical subreg of a
1546 mem if the address is a mode_dependent_address_p.
1548 2001-08-27 Vladimir Makarov <vmakarov@touchme.toronto.redhat.com>
1550 * rtl.def (DEFINE_CPU_UNIT, DEFINE_QUERY_CPU_UNIT, EXCLUSION_SET,
1551 PRESENCE_SET, ABSENCE_SET, DEFINE_BYPASS, DEFINE_AUTOMATON,
1552 AUTOMATA_OPTION, DEFINE_RESERVATION, DEFINE_INSN_RESERVATION): New
1555 * genattr.c (main): New variable num_insn_reservations. Increase
1556 it if there is DEFINE_INSN_RESERVATION. Output automaton based
1557 pipeline hazard recognizer interface.
1559 * genattrtab.h: New file.
1561 * genattrtab.c: Include genattrtab.h.
1562 (attr_printf, check_attr_test, make_internal_attr,
1563 make_numeric_value): Move protypes into genattrtab.h. Define them
1565 (num_dfa_decls): New global variable.
1566 (main): Process DEFINE_CPU_UNIT, DEFINE_QUERY_CPU_UNIT,
1567 DEFINE_BYPASS, EXCLUSION_SET, PRESENCE_SET, ABSENCE_SET,
1568 DEFINE_AUTOMATON, AUTOMATA_OPTION, DEFINE_RESERVATION,
1569 DEFINE_INSN_RESERVATION. Call expand_automata and write_automata.
1571 * genautomata.c: New file.
1573 * rtl.h (LINK_COST_ZERO, LINK_COST_FREE): Remove them.
1575 * sched-int.h: (curr_state): Add the external definition for
1576 automaton pipeline interface.
1577 (haifa_insn_data): Add comments for members blockage and units.
1579 * target-def.h (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE,
1580 TARGET_SCHED_INIT_DFA_PRE_CYCLE_INSN,
1581 TARGET_SCHED_DFA_PRE_CYCLE_INSN,
1582 TARGET_SCHED_INIT_DFA_POST_CYCLE_INSN,
1583 TARGET_SCHED_DFA_POST_CYCLE_INSN,
1584 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD,
1585 TARGET_SCHED_INIT_DFA_BUBBLES, TARGET_SCHED_DFA_BUBBLE): New
1587 (TARGET_SCHED): Use the new macros.
1589 * target.h (use_dfa_pipeline_interface, init_dfa_pre_cycle_insn,
1590 dfa_pre_cycle_insn, init_dfa_post_cycle_insn, dfa_post_cycle_insn,
1591 first_cycle_multipass_dfa_lookahead, init_dfa_bubbles,
1592 dfa_bubble): New members in gcc_target.sched.
1594 * haifa-sched.c (insert_schedule_bubbles_p): New variable.
1595 (MAX_INSN_QUEUE_INDEX): New macro for automaton interface.
1596 (insn_queue): Redefine it as pointer to array.
1597 (NEXT_Q, NEXT_Q_AFTER): Use MAX_INSN_QUEUE_INDEX instead of
1599 (max_insn_queue_index_macro_value): New variable.
1600 (curr_state, dfa_state_size, ready_try): New varaibles for
1601 automaton interface.
1602 (ready_element, ready_remove, max_issue): New function prototypes
1603 for automaton interface.
1604 (choose_ready): New function prototype.
1605 (insn_unit, blockage_range): Add comments.
1606 (unit_last_insn, unit_tick, unit_n_insns): Define them for case
1607 FUNCTION_UNITS_SIZE == 0.
1608 (insn_issue_delay, actual_hazard_this_instance, schedule_unit,
1609 actual_hazard, potential_hazard): Add comments.
1610 (insn_cost): Use cost -1 as undefined value. Remove
1611 LINK_COST_ZERO and LINK_COST_FREE. Add new code for automaton
1613 (ready_element, ready_remove): New functions for automaton
1615 (schedule_insn): Add new code for automaton pipeline interface.
1616 (queue_to_ready): Add new code for automaton pipeline interface.
1617 Use MAX_INSN_QUEUE_INDEX instead of INSN_QUEUE_SIZE.
1618 (debug_ready_list): Print newline when the queue is empty.
1619 (max_issue): New function for automaton pipeline interface.
1620 (choose_ready): New function.
1621 (schedule_block): Add new code for automaton pipeline interface.
1622 Print ready list before scheduling each insn.
1623 (sched_init): Add new code for automaton pipeline interface.
1624 Initiate insn cost by -1.
1625 (sched_finish): Free the current automaton state and finalize
1626 automaton pipeline interface.
1628 * sched-rgn.c: Include target.h.
1629 (init_ready_list, new_ready, debug_dependencies): Add new code for
1630 automaton pipeline interface.
1632 * sched-vis.c: Include target.h.
1633 (get_visual_tbl_length): Add code for automaton interface.
1634 (target_units, print_block_visualization): Add comments.
1636 * Makefile.in (GETRUNTIME, HASHTAB, HOST_GETRUNTIME, HOST_HASHTAB,
1637 USE_HOST_GETRUNTIME, USE_HOST_HASHTAB, HOST_VARRAY): New variables.
1638 (sched-rgn.o, sched-vis.o): Add new dependency file target.h.
1639 (getruntime.o, genautomata.o): New entries.
1640 (genattrtab.o): Add new dependency file genattrtab.h.
1641 (genattrtab): Add new dependencies. Link it with `libm.a'.
1642 (getruntime.o, hashtab.o): New entries for canadian cross.
1644 * doc/md.texi: Description of automaton based model.
1646 * doc/tm.texi (TARGET_SCHED_ISSUE_RATE, TARGET_SCHED_ADJUST_COST):
1648 (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE,
1649 TARGET_SCHED_DFA_PRE_CYCLE_INSN,
1650 TARGET_SCHED_INIT_DFA_PRE_CYCLE_INSN,
1651 TARGET_SCHED_DFA_POST_CYCLE_INSN,
1652 TARGET_SCHED_INIT_DFA_POST_CYCLE_INSN,
1653 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD,
1654 TARGET_SCHED_INIT_DFA_BUBBLES, TARGET_SCHED_DFA_BUBBLE): The new
1656 (TRADITIONAL_PIPELINE_INTERFACE, DFA_PIPELINE_INTERFACE,
1657 MAX_DFA_ISSUE_RATE): New macro descriptions.
1659 * doc/contrib.texi: Add dfa based scheduler contribution.
1661 * doc/gcc.texi: Add more information about genattrtab.
1663 2001-08-27 Diego Novillo <dnovillo@redhat.com>
1665 * flow.c (flow_loop_dump): Do not display insn UIDs if this is not
1668 2001-08-27 Richard Henderson <rth@redhat.com>
1670 * function.c (expand_function_end): Don't init arg_pointer_save_area.
1671 (get_arg_pointer_save_area): New. Create an init it here.
1672 (fix_lexical_addr): Use it.
1673 * function.h: Declare it.
1674 * builtins.c (expand_builtin_setjmp_receiver): Use it.
1675 * stmt.c (expand_nl_goto_receiver): Use it.
1677 2001-08-27 Richard Henderson <rth@redhat.com>
1679 * final.c (final_scan_insn): Don't enter APP_ON mode for
1682 * dwarf2asm.c (dw2_asm_output_encoded_addr_rtx): Use proper
1683 alignment for assemble_integer for DW_EH_PE_aligned.
1684 * except.c (output_function_exception_table): Likewise.
1686 2001-08-26 Andreas Jaeger <aj@suse.de>
1688 * c-tree.h: Add prototyp for c_sizeof_nowarn.
1690 2001-08-25 Dan Nicolaescu <dann@ics.uci.edu>
1692 * ssa-ccp.c (ssa_const_prop): Free ssa_edges.
1694 2001-08-27 Alan Modra <amodra@bigpond.net.au>
1696 * config/rs6000/rs6000.c (mask_operand): Rewrite without
1698 (mask64_operand): Likewise.
1699 (rldic_operand): Delete.
1700 (includes_lshift64_p): Delete.
1701 (includes_rldic_lshift_p): New function.
1702 (includes_rldicr_lshift_p): New function.
1703 (print_operand): Don't call rldic_operand in case 'W'.
1704 * config/rs6000/rs6000-protos.h (rldic_operand): Remove.
1705 (includes_lshift64_p): Remove.
1706 (includes_rldic_lshift_p): Declare.
1707 (includes_rldicr_lshift_p): Declare.
1708 * config/rs6000/rs6000.h (PREDICATE_CODES): Remove rldic_operand.
1709 * config/rs6000/rs6000.md <ashldi3_internal 64 bit patterns>:
1710 Replace match_operand rldic_operand predicate with
1711 const_int_operand. Replace includes_lshift64_p condition with
1712 includes_rldic_lshift_p.
1713 <ashldi3_internal 64 bit rldicr patterns>: New.
1715 2001-08-27 Andreas Jaeger <aj@suse.de>
1717 * emit-rtl.c: Use VA_OPEN/VA_CLOSE/VA_FIXEDARG throughout.
1718 * errors.c: Likewise.
1719 * final.c: Likewise.
1720 * dwarf2asm.c: Likewise.
1721 * doprint.c (checkit): Likewise.
1722 * diagnostic.c: Likewise.
1723 * collect2.c: Likewise.
1724 * calls.c: Likewise.
1725 * c-semantics.c (build_stmt): Likewise.
1726 * c-format.c (status_warning): Likewise.
1727 * c-errors.c (pedwarn_c99): Likewise.
1728 * builtins.c (validate_arglist): Likewise.
1729 * config/pj/pj.c (pj_printf): Likewise.
1730 * fix-header.c: Likewise.
1732 * gcov.c (fnotice): Likewise.
1733 * gensupport.c (message_with_line): Likewise.
1734 * mips-tfile.c: Likewise.
1735 * protoize.c (notice): Likewise.
1736 * read-rtl.c (fatal_with_file_and_line): Likewise.
1737 * rtl-error.c: Likewise.
1738 * tradcpp.c: Likewise.
1740 * cp/tree.c (build_min_nt): Likewise.
1741 (build_min): Likewise.
1742 * cp/lex.c: Likewise.
1743 * cp/errfn.c: Likewise.
1744 * cp/rtti.c (create_pseudo_type_info): Likewise.
1746 Sun Aug 26 20:25:44 2001 Denis Chertykov <denisc@overta.ru>
1748 * df.c (df_uses_record): Return after recording all uses
1751 2001-08-26 Daniel Berlin <dan@cgsoftware.com>
1753 * df.c (df_insn_modify): Realloc the INSN table here, if
1754 necessary, here, too.
1756 2001-08-26 Aldy Hernandez <aldyh@redhat.com>
1758 * config/mips/mips.c (mips_function_value): Handle complex return
1761 2001-08-25 Hans-Peter Nilsson <hp@bitrange.com>
1763 * reload1.c (reload): Make all entries in reg_equiv_memory_loc
1765 * reload.c (make_memloc): Copy result if it is still
1766 reg_equiv_memory_loc[regno] on return.
1767 (subst_reloads) [ENABLE_CHECKING]: Check that none of
1768 reg_equiv_constant, reg_equiv_memory_loc, reg_equiv_address and
1769 reg_equiv_mem are modified by the substitutions.
1771 Sat Aug 25 23:07:35 CEST 2001 Jan Hubicka <jh@suse.cz>
1773 * predict.c (expensive_function_p): New.
1774 * rtl.h (expensive_function_p): Declare.
1775 * i386.c (FAST_PROLOGUE_INSN_COUNT): New constant.
1776 (use_fast_prologue_epilogue): New static variable.
1777 (expand_prologue): Set it; emit short prologues if unset.
1778 (expand_epilogue): Likewise.
1780 2001-08-22 Geoffrey Keating <geoffk@redhat.com>
1782 * config.gcc: Add stormy16-*-elf case.
1783 * config/stormy16/stormy-abi: New file.
1784 * config/stormy16/stormy16-lib2.c: New file.
1785 * config/stormy16/stormy16-protos.h: New file.
1786 * config/stormy16/stormy16.c: New file.
1787 * config/stormy16/stormy16.h: New file.
1788 * config/stormy16/stormy16.md: New file.
1789 * config/stormy16/t-stormy16: New file.
1791 Sat Aug 25 15:46:51 CEST 2001 Jan Hubicka <jh@suse.cz>
1793 * i386.h (no-accumulate-outgoing-args): Use proper mask.
1795 2001-08-24 David Edelsohn <edelsohn@gnu.org>
1797 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Function
1798 descriptor members are pointer size, not constant 4.
1799 * config/rs6000/rs6000.md (define_splits): Remove more unused
1802 2001-08-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1804 * sparc.h (ASM_OUTPUT_BYTE): Fix format specifier warning.
1806 2001-08-24 Andreas Jaeger <aj@suse.de>, rkl@connect.org.uk
1808 * cp/rtti.c (VPARAMS): Fix parameter.
1810 2001-08-24 Zack Weinberg <zackw@panix.com>
1812 * expmed.c: Default-#define HAVE_insv, HAVE_extv, and HAVE_extzv
1814 (mode_for_extraction): No need for #ifdefs. Add default-case abort
1816 (store_bit_field): Eliminate insv_bitsize variable. Put HAVE_insv
1817 in if controlling use of insv.
1818 (extract_bit_field): Likewise, for extv and extzv.
1820 Fri Aug 24 17:27:46 CEST 2001 Jan Hubicka <jh@suse.cz>
1822 * i386.md (movcc peep2): Fix load of 0.
1824 2001-08-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1826 * fold-const.c (tree_expr_nonnegative_p): Handle *_DIV_EXPR,
1827 *_MOD_EXPR, SAVE_EXPR and NON_LVALUE_EXPR.
1829 2001-08-23 Jason Merrill <jason_merrill@redhat.com>
1831 * c-pragma.h: Move weak_syms and weak_decls...
1832 * varasm.c: ...here. Now static.
1833 (declare_weak, weak_finish, remove_from_pending_weak_list): Don't
1834 depend on HANDLE_PRAGMA_WEAK.
1836 * c-common.c (c_alignof, c_alignof_expr): Move here...
1837 * c-typeck.c: ...from here.
1838 * c-tree.h, c-common.h: Adjust.
1840 2001-08-23 Bernd Schmidt <bernds@redhat.com>
1842 * config/ia64/ia64.c (rws_update): If !pred, set write_count
1843 instead of incrementing it.
1845 * config/ia64/ia64.c (ia64_sched_reorder): When there's more than one
1846 asm ready, don't try to move them all into the same array element.
1848 Thu Aug 23 17:21:43 CEST 2001 Jan Hubicka <jh@suse.cz>
1850 * function.c (thread_prologue_and_epilogue_insns): Avoid
1851 fallthru flag on edge to exit.
1853 * i386.md (trunc?fsi splitter): Conditionionize for non-sse.
1855 * flow.c (delete_noop_moves, propagate_block_delete_insn): Purge
1858 2001-08-23 Lars Brinkhoff <lars@nocrew.org>
1860 * config/mcore/mcore.h (MACHINE_DEPENDENT_SIMPLIFY): Remove.
1861 * config/mcore/mcore.c (mcore_dependent_simplify_rtx): Likewise.
1862 * config/mcore/mcore-protos.h (mcore_dependent_simplify_rtx):
1865 2001-08-23 Lars Brinkhoff <lars@nocrew.org>
1867 * genconstants.c, genpreds.c, libfuncs.h, optabs.h, rtl-error.h:
1868 replace "GNU CC" with "GCC".
1870 2001-08-23 Richard Henderson <rth@redhat.com>
1872 * config/ia64/ia64.c (ia64_register_move_cost): Add mode arguemnt.
1873 Reorganize. Handle ADDL like GR, add GR_AND_BR. Handle TFmode.
1874 (ia64_secondary_reload_class): Need GR between AR/BR and anything.
1875 Need GR between FR and not GR_AND_FR.
1876 * config/ia64/ia64-protos.h (ia64_register_move_cost): Update.
1877 * config/ia64/ia64.h (reg_class): Add GR_AND_BR_REGS, move
1878 AR regs before GR regs.
1879 (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update.
1880 (PREFERRED_RELOAD_CLASS): Tweak for reordered classes.
1881 (REGISTER_MOVE_COST): Update.
1882 (MEMORY_MOVE_COST): Add GR_AND_FR_REGS.
1884 2001-08-23 Richard Henderson <rth@redhat.com>
1886 * regclass.c (init_reg_sets_1): Don't assume cost 2 within
1889 2001-08-22 Geoffrey Keating <geoffk@redhat.com>
1891 * reload1.c (emit_reload_insns): Don't look for notes
1892 on a NULL store_insn.
1894 2001-08-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1896 * sparc.c (uns_small_int): Don't reference a constant >32-bit.
1897 (addrs_ok_for_ldd_peep): Fix signed/unsigned warning.
1898 (sparc_flat_function_prologue, sparc_flat_function_epilogue): Fix
1899 format specifier warnings.
1900 (sparc_sched_reorder): Mark parameter with ATTRIBUTE_UNUSED.
1902 2001-08-22 David Billinghurst <David.Billinghurst@riotinto.com>
1904 * config/i386/i386-protos.h: Correct declaration of
1905 i386_pe_asm_named_section.
1907 2001-08-22 John David Anglin <dave@hiauly1.hia.nrc.ca>
1909 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Add declaration for
1911 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
1913 2001-08-22 Neil Booth <neil@daikokuya.demon.co.uk>
1915 * cpperror.c (print_location): Don't show _Pragma.
1916 * cppfiles.c (_cpp_pop_file_buffer): Handle -include file pushing
1917 and file change callback generation here.
1918 (stack_include_file): Update use of cpp_push_buffer.
1919 * cpphash.h (_cpp_pop_file_buffer): Update prototype.
1920 (struct cpp_buffer): Remove type, pfile members.
1921 * cppinit.c (cpp_handle_option): Use free_chain.
1922 * cpplex.c (_cpp_lex_token): Don't do -include file pushing here.
1923 (skip_escaped_newlines, get_effective_char, lex_percent): Take
1924 a cpp_reader rather than a cpp_buffer.
1925 (skip_escaped_newlines, get_effective_char, skip_block_comment,
1926 skip_line_comment, parse_string, lex_percent, lex_dot,
1927 _cpp_lex_token): Update accordingly.
1928 * cpplib.c (_cpp_pop_buffer): Don't do file change callback
1930 (cpp_push_buffer): Update prototype.
1931 (run_directive): Update use of cpp_push_buffer.
1932 (_cpp_do__Pragma, cpp_define, cpp_define_builtin, cpp_undef,
1933 handle_assertion): Update use of run_directive.
1934 * cpplib.h (enum cpp_buffer_type): Remove.
1935 (cpp_push_buffer): Update prototype.
1936 * fix-header.c (read_scan_file): Update.
1938 2001-08-22 Matt Kraai <kraai@alumni.carnegiemellon.edu>
1940 * gcc.c (struct prefix_list): Change prefix to const char *.
1942 2001-08-22 Matt Kraai <kraai@alumni.carnegiemellon.edu>
1944 * final.c (final_scan_insn): Call ADDR_VEC_ALIGN on next insn.
1946 2001-08-22 Jason Merrill <jason_merrill@redhat.com>
1948 * explow.c (set_mem_attributes): Avoid returning a bogus alias set
1951 * jump.c (squeeze_notes): Take parms by reference. Handle END being
1954 * ifcvt.c (dead_or_predicable): Adjust.
1955 * loop.c (find_and_verify_loops): Adjust.
1956 * stmt.c (expand_end_case): Adjust.
1957 * flow.c (merge_blocks_move_successor_nojumps): Adjust. Modify the
1958 head and end insn pointers in the basic block, not just local copies.
1959 (merge_blocks_move_predecessor_nojumps): Likewise.
1961 2001-08-22 Lars Brinkhoff <lars@nocrew.org>
1963 * Makefile.in, alias.c, basic-block.h, bb-reorder.c, bitmap.c,
1964 bitmap.h, builtin-types.def, builtins.c, builtins.def,
1965 c-aux-info.c, c-common.c, c-common.def, c-common.h,
1966 c-convert.c, c-decl.c, c-dump.c, c-dump.h, c-errors.c,
1967 c-format.c, c-lang.c, c-lex.c, c-lex.h, c-parse.in,
1968 c-pragma.c, c-pragma.h, c-semantics.c, c-tree.h, c-typeck.c,
1969 caller-save.c, calls.c, collect2.c, collect2.h, combine.c,
1970 conditions.h, config.gcc, configure.frag, configure.in,
1971 conflict.c, convert.c, convert.h, cppspec.c, crtstuff.c,
1972 cse.c, cselib.c, cselib.h, dbxout.c, dbxout.h, defaults.h,
1973 dependence.c, df.c, df.h, diagnostic.c, diagnostic.h,
1974 doloop.c, dominance.c, dwarf.h, dwarf2.h, dwarf2asm.c,
1975 dwarf2asm.h, dwarf2out.c, dwarf2out.h, dwarfout.c,
1976 emit-rtl.c, errors.c, errors.h, except.c, except.h,
1977 exgettext, explow.c, expmed.c, expr.c, expr.h, final.c,
1978 fixproto, flags.h, flow.c, fold-const.c, fp-test.c,
1979 function.c, function.h, gbl-ctors.h, gcc.c, gcc.h, gcc.hlp,
1980 gccspec.c, gcov-io.h, gcse.c, genattr.c, genattrtab.c,
1981 gencheck.c, gencodes.c, genconfig.c, genemit.c,
1982 genextract.c, genflags.c, gengenrtl.c, genmultilib,
1983 genopinit.c, genoutput.c, genpeep.c, genrecog.c,
1984 gensupport.c, gensupport.h, ggc-callbacks.c, ggc-common.c,
1985 ggc-none.c, ggc-page.c, ggc-simple.c, ggc.h, global.c,
1986 graph.c, graph.h, gthr-aix.h, gthr-dce.h, gthr-posix.h,
1987 gthr-rtems.h, gthr-single.h, gthr-solaris.h, gthr-vxworks.h,
1988 gthr-win32.h, gthr.h, haifa-sched.c, halfpic.c, halfpic.h,
1989 hard-reg-set.h, hwint.h, ifcvt.c, input.h, insn-addr.h,
1990 integrate.c, integrate.h, jump.c, lcm.c, libgcc2.c,
1991 libgcc2.h, lists.c, local-alloc.c, loop.c, loop.h,
1992 machmode.def, machmode.h, main.c, mbchar.c, mbchar.h,
1993 mips-tdump.c, mips-tfile.c, mklibgcc.in, mkmap-flat.awk,
1994 mkmap-symver.awk, optabs.c, output.h, params.c, params.def,
1995 params.h, predict.c, predict.def, predict.h, prefix.c,
1996 prefix.h, print-rtl.c, print-tree.c, profile.c, protoize.c,
1997 read-rtl.c, real.c, real.h, recog.c, recog.h, reg-stack.c,
1998 regclass.c, regmove.c, regrename.c, regs.h, reload.c,
1999 reload.h, reload1.c, reorg.c, resource.c, resource.h, rtl.c,
2000 rtl.def, rtl.h, rtlanal.c, sbitmap.c, sbitmap.h,
2001 sched-deps.c, sched-ebb.c, sched-int.h, sched-rgn.c,
2002 sched-vis.c, sdbout.c, sdbout.h, sibcall.c, simplify-rtx.c,
2003 ssa-ccp.c, ssa-dce.c, ssa.c, ssa.h, stmt.c, stor-layout.c,
2004 stringpool.c, system.h, timevar.c, timevar.def, timevar.h,
2005 tlink.c, toplev.c, toplev.h, tree.c, tree.def, tree.h,
2006 tsystem.h, unroll.c, unwind-dw2-fde.c, unwind-dw2-fde.h,
2007 unwind-dw2.c, unwind-pe.h, unwind-sjlj.c, unwind.h,
2008 unwind.inc, varasm.c, varray.c, varray.h, xcoffout.c,
2009 xcoffout.h: replace "GNU CC" with "GCC".
2011 2001-08-21 Richard Henderson <rth@redhat.com>
2013 * final.c (LABEL_ALIGN_AFTER_BARRIER): Default to no alignment.
2014 (final_scan_insn): Consider jump tables data even if we have no
2015 independant text section if !JUMP_TABLES_IN_TEXT_SECTION. Use
2017 * config/ia64/ia64.h (JUMP_TABLES_IN_TEXT_SECTION): Remove.
2018 (ASM_OUTPUT_CASE_END): Remove.
2019 (ASM_OUTPUT_ADDR_DIFF_ELT): Emit pc-relative references.
2020 * config/ia64/ia64.md (tablejump): Decode pc-relative references.
2021 * config/ia64/sysv4.h (ASM_OUTPUT_BEFORE_CASE_LABEL): Remove.
2023 2001-08-21 Richard Henderson <rth@redhat.com>
2025 * config/ia64/ia64.c (emit_all_insn_group_barriers): Flush state
2026 at barrier insns. Emit stop bits before barriers.
2028 * flow.c (flow_find_cross_jump): Don't consider unconditional
2029 return insns for commoning.
2031 * final.c (compute_alignments): Fix typo.
2033 * expmed.c (CODE_FOR_insv, gen_insv): Provide defaults.
2034 (CODE_FOR_extv, gen_extv, CODE_FOR_extzv, gen_extzv): Likewise.
2035 (store_bit_field): Use mode_for_extraction more places.
2036 (extract_bit_field): Likewise.
2038 2001-08-21 Zack Weinberg <zackw@panix.com>
2040 * caller-save.c: Don't include insn-codes.h.
2041 (reg_save_code, reg_restore_code): Make arrays of int.
2042 All uses updated to match.
2043 (insert_save, insert_restore): No need to initialize "code"
2044 variable upon declaration.
2045 * Makefile.in: update dependencies; fix typo in clean rule.
2047 2001-08-21 Richard Henderson <rth@redhat.com>
2049 * ifcvt.c (find_if_block): Allow join_bb as EXIT.
2050 (merge_if_block): Handle fallout from same.
2052 2001-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2054 * builtins.c (type_to_class): Fix typo in last change.
2056 2001-08-21 Richard Henderson <rth@redhat.com>
2058 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Don't emit '#' if
2059 ia64_asm_output_label.
2061 * config/ia64/crtbegin.asm (__do_global_dtors_aux): Use saved
2062 copy of gp while the real gp register contains garbage.
2064 2001-08-21 Zack Weinberg <zackw@panix.com>
2066 * expmed.c (mode_for_extraction): New function.
2067 (store_bit_field, extract_bit_field): Use it.
2068 * expr.h: Prototype it and provide an enum for its first argument.
2070 * combine.c, function.c, recog.c: Don't include insn-codes.h.
2071 Use mode_for_extraction rather than testing HAVE_insv/extv/extzv
2072 and digging through the insn_data tables.
2073 * Makefile.in: Update dependencies.
2075 2001-08-22 Neil Booth <neil@daikokuya.demon.co.uk>
2077 * cppfiles.c (stack_include_file): line-map.c now handles include
2079 (handle_missing_handler): Similarly.
2080 (_cpp_execute_include): Similarly.
2081 (_cpp_pop_file_buffer): Similarly.
2082 * cpphash.h (struct cpp_reader): Remove system_include_depth,
2083 buffer_stack_depth and include_depth.
2084 * cpplib.c (do_include_common): line-map.c now handles include depth.
2085 (cpp_push_buffer): Similarly.
2086 (_cpp_pop_buffer): Similarly.
2087 * cppmacro.c (builtin_macro): Update.
2088 * line-map.c (init_line_maps): Set depth.
2089 (add_line_map): Increment "used" earlier. Update and use the
2091 (trace_include): Use the include depth.
2092 * line-map.h (struct line_maps): New member depth.
2094 2001-08-21 Neil Booth <neil@daikokuya.demon.co.uk>
2096 * cppfiles.c (stack_include_file): Don't handle -H here.
2097 * cppinit.c (cpp_start_read): Set include tracing after
2098 cpp_post_options and after stacking the main file.
2099 * line-map.c (trace_include): New.
2100 (init_line_maps, add_line_map): Update.
2101 * line-map.h (struct line_maps): New member trace_includes.
2103 2001-08-21 Neil Booth <neil@daikokuya.demon.co.uk>
2105 * cppfiles.c (stack_include_file): Harmonize system headerness tests.
2106 * cppfiles.c (stack_include_file): Only stack a file if there
2107 is something to do. Return a boolean indicating whether a
2108 buffer was stacked or not.
2109 (_cpp_execute_include): Similarly.
2110 (_cpp_read_file): Similarly.
2111 * cpphash.h (_cpp_read_file, _cpp_execute_include): Update prototypes.
2113 2001-08-21 Sam Steingold <sds@gnu.org>
2115 * tradcpp.c (rescan): define obufp_before_macroname before RECACHE
2116 (RECACHE): keep obufp_before_macroname up to date
2118 2001-08-21 Zack Weinberg <zackw@panix.com>
2120 * stmt.c: Don't include insn-codes.h.
2121 (expand_end_case): Machine specific logic moved to expr.c.
2122 No need to worry about __builtin_classify_type.
2123 (check_for_full_enumeration_handling, emit_case_nodes):
2126 * builtins.o (expand_builtin_classify_type): Split up so code
2127 can be shared with fold_builtin_classify_type.
2128 (type_to_class, fold_builtin_classify_type): New functions.
2129 (fold_builtins): Handle __builtin_classify_type.
2131 * expr.c (do_tablejump): Now static.
2132 (case_values_threshold, try_casesi, try_tablejump): New;
2133 code mostly from stmt.c (expand_end_case).
2134 (expr.h): Update prototypes.
2136 * Makefile.in (stmt.o): Update dependencies.
2138 2001-08-21 Will Cohen <wcohen@redhat.com>
2140 * configure/alpha/alpha.h (CONDITIONAL_REGISTER_USAGE): Added local
2141 declaration of variable i.
2142 * configure/rs6000/rs6000.h (CONDITIONAL_REGISTER_USAGE): Added local
2143 declaration of variable i.
2145 2001-08-21 Richard Henderson <rth@redhat.com>
2147 * crtstuff.c: Fix thinko last change. Move list tails to start
2148 of CRT_END section. Tidy ifdefs.
2149 (__EH_FRAME_BEGIN__): Always static for ELF.
2150 (__do_global_ctors_1): Rename from __frame_dummy.
2151 * config/mips/iris6.h (LINK_SPEC): Update for __do_global_ctors_1
2152 name change; don't hide __EH_FRAME_BEGIN__.
2154 2001-08-21 Richard Henderson <rth@redhat.com>
2156 * gdbinit.in: Move break on exit after break on fancy_abort.
2158 * config/ia64/ia64.c (ia64_return_in_memory): True for variable
2161 2001-08-21 Neil Booth <neil@daikokuya.demon.co.uk>
2163 * cpphash.h (_cpp_push_next_buffer): New.
2164 * cppinit.c (do_includes): Remove.
2165 (push_include, free_chain, _cpp_push_next_buffer): New.
2166 (cpp_start_read): Use them to rework command line option handling.
2167 (cpp_handle_option): Combine handling of -include and -imacros.
2168 * cpplex.c (_cpp_lex_token): Push a new -include buffer if
2169 appropriate. Always insert missing \n at EOF.
2170 * cpplib.c (start_directive): Get the directive position right.
2171 * cppmain.c (cb_file_change): Always print the first line, unless
2174 2001-08-20 Andreas Jaeger <aj@suse.de>
2176 * profile.c (compute_branch_probabilities): Remove extra new-line
2178 * flow.c (verify_flow_info): Likewise.
2180 2001-08-20 Diego Novillo <dnovillo@redhat.com>
2182 * basic-block.h (basic_block): Add new field 'flags'.
2183 (BB_REACHABLE): Define.
2184 (expunge_block): Declare.
2185 * flow.c (ENTRY_BLOCK_PTR): Initialize field 'flags'.
2186 (EXIT_BLOCK_PTR): Ditto.
2187 (expunge_block): Remove static declaration.
2188 (cleanup_cfg): Clear bb->aux on every basic block.
2189 (find_unreachable_blocks): Set BB_REACHABLE bit in bb->flags when
2190 computing reachability.
2191 (delete_unreachable_blocks): Delete block b if b->flags has
2194 2001-08-20 Diego Novillo <dnovillo@redhat.com>
2196 * doc/invoke.texi: Replace references to -fdump-tree with -fdump-ast.
2198 2001-08-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2200 * sparc.c (sparc_variable_issue): Fix typo in last change.
2202 2001-08-20 Richard Henderson <rth@redhat.com>
2204 * varasm.c (assemble_integer): Document ppc-eabi -mrelocatable losage.
2206 2001-08-20 John David Anglin <dave@hiauly1.hia.nrc.ca>
2208 * pa.h (RETURN_IN_MEMORY): Improve comment.
2210 2001-08-20 Janis Johnson <janis187@us.ibm.com>
2212 * doc/invoke.texi (Profiling options): Clarify the interactions
2213 between -fprofile-arcs and -ftest-coverage, -fprofile-arcs.
2215 2001-08-20 Jeffrey Oldham <oldham@codesourcery.com>
2217 * crtstuff.c (__do_global_ctors): Fix typo in preprocessing
2220 2001-08-20 Matt Kraai <kraai@alumni.carnegiemellon.edu>
2222 * gcc.c (make_relative_prefix): Allocate a sufficiently large
2225 2001-08-20 Richard Henderson <rth@redhat.com>
2227 * final.c (end_final): Fix typo last change.
2229 2001-08-20 Neil Booth <neil@daikokuya.demon.co.uk>
2231 * cppinit.c (init_standard_includes): The returned buffer
2232 is already malloc-ed.
2233 * gcc.c (add_prefix): Similarly.
2234 * prefix.c (translate_name): Update to support clear buffer
2236 (update_path): Similarly. Be sure to free any newly allocated
2237 key. UPDATE_PATH_HOST_CANONICALIZE takes only one argument.
2239 * prefix.h (update_path): Update prototype and document.
2240 * config/i386/xm-djgpp.h (UPDATE_PATH_HOST_CANONICALIZE): Clean
2241 up and update to new buffer ownership rules.
2242 * doc/gcc.texi (UPDATE_PATH_HOST_CANONICALIZE): Update.
2244 Mon Aug 20 01:44:50 CEST 2001 Jan Hubicka <jh@suse.cz>
2246 * final.c (compute_alignments): New function.
2247 (init_insn_lengths): Do not care label_align.
2248 (LABEL_ALIGN_AFTER_BARRIER): Default to 1.
2249 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to 0.
2250 (JUMP_ALIGN, JUMP_ALIGN_MAX_SKIP): New.
2251 (shorted_branches): Realloc label_align array; do
2252 not call init_insn_lengths; Do not care about loop alignments.
2253 * output.h (compute_alignments): Declare.
2254 * toplev.c (rest_of_compilation): Call compute_alignments.
2255 * tm.texi (JUMP_ALIGN, JUMP_ALIGN_MAX_SKIP): Document.
2257 * predict.c (block_info_def): Add npredecesors, remove nvisited;
2258 change visited to tovisit.
2259 (propagate_freq): Use faster traversing algorithm.
2260 (estimate_loops_at_level, estimate_bb_frequencies): Change visited
2261 to tovisit; reverse meaning.
2263 * predict.c (struct block_info_def): Remove nvisited.
2264 (propagate_freq): Use EDGE_DFS_BACK to detect irreducible regions.
2265 (estimate_bb_frequencies): Call mark_dfs_back_edges.
2267 2001-08-19 Geoffrey Keating <geoffk@redhat.com>
2269 * doc/invoke.texi (MIPS Options): Document -mfused-madd.
2270 * config/mips/mips.h (MASK_NO_FUSED_MADD): New.
2271 (TARGET_FUSED_MADD): New.
2272 (TARGET_SWITCHES): Add -mfused-madd, -mno-fused-madd.
2273 * config/mips/mips.md: Add TARGET_FUSED_MADD as condition to
2274 the multiply-add instructions.
2276 2001-08-19 Richard Henderson <rth@redhat.com>
2278 * dwarf2asm.c (dw2_output_indirect_constant_1): The symbol ref
2279 is aligned to pointer size.
2281 2001-08-19 Richard Henderson <rth@redhat.com>
2283 * config/ia64/ia64.c (ia64_cycle_display): Only emit cycle
2284 display markers during final schedule.
2286 2001-08-19 Richard Henderson <rth@redhat.com>
2288 * function.c (gen_mem_addressof): Don't call get_alias_set if no decl.
2290 2001-08-19 Richard Henderson <rth@redhat.com>
2292 * config/ia64/ia64.h (STRIP_NAME_ENCODING): Handle @ and *
2294 (ASM_NAME_TO_STRING): Remove.
2295 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Handle @ and *
2296 in the same string. Remove support for expressions.
2298 2001-08-19 Richard Henderson <rth@redhat.com>
2300 * config/i386/i386.md (tablejump): Make an expander; handle
2301 pic relative addressing here.
2302 (tablejump_1): Rename from tablejump_pic.
2305 2001-08-19 Richard Henderson <rth@redhat.com>
2307 * regclass.c (fix_register): Fix typo.
2309 2001-08-18 Richard Henderson <rth@redhat.com>
2311 * config/ia64/unwind-ia64.c (UNW_REG_B0): New.
2312 (struct _Unwind_Context): Expand br_loc to hold it.
2313 (uw_frame_state_for): Handle leaf functions better.
2314 (uw_update_reg_address): Update for br_loc change.
2316 2001-08-18 Richard Henderson <rth@redhat.com>
2318 * crtstuff.c: Move list heads before code that uses them.
2319 (__JCR_LIST__): Remove initial null.
2320 (frame_dummy, __frame_dummy): Do java registration here ...
2321 (__do_global_ctors_aux): ... not here.
2323 * config/ia64/crtbegin.asm (dtor_ptr): Make gp-relative.
2324 (__do_global_dtors_aux): Update to match.
2325 (__JCR_LIST__, __do_jv_register_classes): New.
2327 * config/ia64/crtend.asm (__JCR_END__): New.
2328 (__do_global_ctors_aux): Use a GPREL64I reloc to __CTOR_END__
2329 instead of an indirect LTOFF22 reloc.
2331 2001-08-18 Richard Henderson <rth@redhat.com>
2333 * flow.c (mark_regs_live_at_end): Use regs_invalidated_by_call.
2334 * regclass.c (init_reg_sets_1): Fix typo.
2335 * config/ia64/ia64.c (ar_pfs_reg_operand): New.
2336 (ia64_expand_call): Pass ar.pfs to sibcall expanders.
2337 (ia64_compute_frame_size): Make ar.unat live when in use.
2338 (ia64_epilogue_uses): Reformat; do not check current_function_is_leaf
2339 for ar.pfs; remove ar.unat handling.
2340 * config/ia64/ia64.h (CALL_REALLY_USED_REGISTERS): ar.unat is
2342 (PREDICATE_CODES): Add ar_pfs_reg_operand.
2343 * config/ia64/ia64-protos.h: Update decls.
2344 * config/ia64/ia64.md (sibcall_nopic): Use ar.pfs.
2345 (sibcall_pic): Likewise.
2347 2001-08-18 Richard Henderson <rth@redhat.com>
2349 * config/ia64/ia64.c (ia64_sched_reorder2): Also skip past
2350 pred_rel_mutex when searching for insn_group_barrier.
2351 * config/ia64/ia64.md (cycle_display): Combine the expander
2354 * config/ia64/ia64.c (ia64_internal_sched_reorder): Emit stop
2355 bit before asm as needed.
2357 2001-08-18 Richard Henderson <rth@redhat.com>
2359 * timevar.def (TV_MACH_DEP): New.
2360 * toplev.c (rest_of_compilation): Use it.
2361 * config/ia64/ia64.c (ia64_reorg): Push to TV_SCHED2.
2363 2001-08-18 Zack Weinberg <zackw@panix.com>
2365 * unwind-dw2.c (execute_stack_op): Add default aborts to
2366 the inner switches to prevent warnings.
2368 2001-08-18 Richard Henderson <rth@redhat.com>
2370 * timevar.h (struct timevar_time_def): Change element type to float.
2371 (ticks_to_msec, clocks_to_msec): Likewise.
2372 (TICKS_TO_MSEC, CLOCKS_TO_MSEC): Rescale to seconds; use type float.
2373 (get_time): Likewise.
2374 (timevar_print): Adjust zero check and printing to match.
2376 2001-08-18 Zack Weinberg <zackw@panix.com>
2378 * doc/extend.texi, doc/gcc.texi, doc/install-old.texi,
2379 doc/invoke.texi, doc/md.texi, doc/rtl.texi, doc/include/gpl.texi:
2380 Eliminate overfull or underfull hboxes.
2382 2001-08-18 Zack Weinberg <zackw@panix.com>
2384 * cpperror.c: Use VA_OPEN/VA_CLOSE/VA_FIXEDARG throughout.
2386 2001-08-18 Zack Weinberg <zackw@panix.com>
2388 * haifa-sched.c: Convert to target hooks. Macros replaced
2389 are ISSUE_RATE, ADJUST_COST, ADJUST_PRIORITY, MD_SCHED_INIT,
2390 MD_SCHED_REORDER, MD_SCHED_REORDER2, MD_SCHED_VARIABLE_ISSUE,
2391 MD_SCHED_FINISH, and HAVE_cycle_display.
2392 * target-def.h (TARGET_SCHED_ADJUST_COST,
2393 TARGET_SCHED_ADJUST_PRIORITY, TARGET_SCHED_ISSUE_RATE,
2394 TARGET_SCHED_VARIABLE_ISSUE, TARGET_SCHED_INIT,
2395 TARGET_SCHED_FINISH, TARGET_SCHED_REORDER,
2396 TARGET_SCHED_REORDER2, TARGET_SCHED_CYCLE_DISPLAY):
2397 New hook #defines to be overridden.
2398 (TARGET_SCHED): Bring them all together.
2399 (TARGET_INITIALIZER): Update.
2400 * target.h: Don't forward declare struct rtx_def. Use 'rtx'
2401 instead of 'struct rtx_def *' throughout.
2402 (struct sched): New set of hooks for the scheduler.
2403 * Makefile.in (haifa-sched.o): Depend on target.h.
2404 * doc/tm.texi: Document the new scheduler hooks, together in
2405 their own section, instead of scattered around.
2406 Fix a bunch of underfull/overfull hboxes.
2408 * a29k.h, alpha.h, arm.h, c4x.h, convex.h, d30v.h, i386.h,
2409 ia64.h, m32r.h, m88k.h, mips.h, pa.h, rs6000.h, s390.h, sh.h,
2410 sparc.h: Don't define any of the old scheduler macros.
2412 * a29k.c, alpha.c, arm.c, c4x.c, convex.c, d30v.c, i386.c,
2413 ia64.c, m32r.c, m88k.c, mips.c, pa.c, rs6000.c, s390.c, sh.c,
2414 sparc.c: Create hook functions from code extracted from
2415 corresponding target header, or make existing hooks static, as
2416 appropriate. Set the appropriate entries in targetm.
2418 * alpha-protos.h, arm-protos.h, c4x-protos.h, d30v-protos.h,
2419 i386-protos.h, ia64-protos.h, m32r-protos.h, pa-protos.h,
2420 rs6000-protos.h, s390-protos.h, sparc-protos.h:
2421 Remove prototypes for functions which are now static.
2423 * d30v.h, d30v.c, m32r.h, m32r.c: Remove #ifdef HAIFA and
2424 related gunk; the Haifa scheduler is now the only choice.
2426 2001-08-18 Zack Weinberg <zackw@panix.com>
2428 * optabs.h (OTI_flodiv, flodiv_optab): Kill.
2429 * genopinit.c: Put floating point divide insns in sdiv_optab.
2430 * expr.c (expand_expr): Use sdiv_optab, not flodiv_optab.
2431 * config/gofast.h, config/c4x/c4x.h,
2432 config/ia64/hpux_longdouble.h, config/mips/mips.h,
2433 config/pa/long_double.h, config/rs6000/sysv4.h,
2434 config/sparc/sparc.h: Put floating point divide libcalls in sdiv_optab.
2435 * optabs.c (init_optab): Break into new_optab, init_optab, init_optabv.
2436 (init_optabs): Use init_optabv for overflow-trapping optabs.
2437 Don't init flodiv_optab. Give mov_optab, movstrict_optab, and
2438 cmp_optab RTX codes so have_insn_for can find them.
2440 * optabs.c (expand_simple_binop, expand_simple_unop,
2441 have_insn_for, gen_sub3_insn): New interfaces.
2442 * expr.h: Prototype new functions.
2443 (enum optab_methods): Move here from optabs.h.
2445 * builtins.c, combine.c, doloop.c, function.c, ifcvt.c,
2446 loop.c, profile.c, simplify-rtx.c, stmt.c, unroll.c:
2447 Use new functions instead of working directly with optabs.
2448 * doloop.c, ifcvt.c, loop.c, profile.c, simplify-rtx.c,
2449 unroll.c: Don't include optabs.h.
2450 * caller-save.c, combine.c, function.c, stmt.c: Just include
2451 insn-codes.h, not optabs.h.
2452 * Makefile.in: Update dependencies.
2454 * combine.c (make_compound_operation, simplify_comparison):
2455 Fix typos testing for this or that instruction.
2457 2001-08-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2459 * mklibgcc.in: Prefer LIB1ASMFUNCS over LIB2_DIVMOD_FUNCS when
2460 generating libgcc.a.
2462 2001-08-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2464 * except.c (TYPE_HASH): Delete.
2466 * objc/objc-act.c (HASHFUNCTION): Cast to size_t, not
2469 * tree.c (TYPE_HASH): Delete.
2471 * tree.h (TYPE_HASH): Define.
2473 2001-08-18 Graham Stott <grahams@redhat.com>
2475 * config/mips/mips.md (adddi3_internal_2+1): Remove contraints from
2477 (adddi3_internal_2+2): Likewise.
2478 (eh_set_lr_di+1): Likewise.
2480 2001-08-17 Richard Henderson <rth@redhat.com>
2482 * defaults.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
2483 UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Move from ...
2484 * dwarf2asm.c: ... here.
2485 * dwarfout.c: Remove them.
2487 * varasm.c (assemble_integer): Add align parameter.
2488 (assemble_real, output_constant, output_constructor): Likewise.
2489 * output.h: Update decls.
2490 * dwarf2asm.c, final.c, varasm.c, config/darwin.c, config/nextstep.c,
2491 config/alpha/alpha.c, config/arm/arm.md, config/clipper/clipper.c,
2492 config/m88k/m88k.c, config/mcore/mcore.md, config/mips/mips.h,
2493 config/mips/mips.md, config/pa/pa.c, config/rs6000/rs6000.c,
2494 config/rs6000/rs6000.h, config/s390/s390.h, config/sh/sh.md:
2497 * final.c (end_final): Abort profile block generation if we
2498 havn't layed it out properly.
2499 * output.h (assemble_eh_integer): Remove stale decl.
2500 * varasm.c (assemble_zeros): Tidy; use assemble_integer.
2502 (assemble_integer): Handle unaligned data.
2503 (assemble_real): Abort on unaligned data.
2504 (output_constructor): Don't assume ASM_OUTPUT_ALIGN 0 does
2506 (default_dtor_section_asm_out_destructor): Use assemble_align.
2507 (default_named_section_asm_out_constructor): Likewise.
2508 (default_ctor_section_asm_out_constructor): Likewise.
2509 * config/darwin.c (machopic_asm_out_constructor): Likewise.
2510 (machopic_asm_out_destructor): Likewise.
2511 * config/nextstep.c (nextstep_asm_out_constructor): Likewise.
2512 (nextstep_asm_out_destructor): Likewise.
2513 * config/alpha/alpha.c (vms_asm_out_constructor): Likewise.
2514 (vms_asm_out_destructor): Likewise.
2516 2001-08-17 Richard Henderson <rth@redhat.com>
2518 * config/mips/iris6.h (TARGET_IRIX6): New.
2519 (current_section_name, current_section_flags): New.
2520 (ASM_OUTPUT_ALIGN, ASM_FILE_START, ASM_FILE_END): New.
2521 (MAX_OFILE_ALIGNMENT): New.
2522 (ASM_OUTPUT_ALIGNED_LOCAL): Use bss_section.
2523 * config/mips/mips.c (mips_make_temp_file, temp_filename): Remove.
2524 (copy_file_data): Split out from
2525 (mips_asm_file_end): ... here.
2526 (mips_asm_file_start): Remove extra .section directive. Use
2527 tmpfile instead of mips_make_temp_file.
2528 (mips_unique_section): Use const char * as needed for warnings.
2529 (iris6_asm_named_section_1): Renamed from iris6_asm_named_section;
2530 re-add align parameter.
2531 (iris6_asm_named_section): New.
2532 (iris_section_align_entry_eq, iris_section_align_entry_hash): New.
2533 (iris6_asm_output_align, iris6_section_align_1): New.
2534 (iris6_asm_file_start, iris6_asm_file_end): New.
2535 * config/mips/mips-protos.h: Update decls.
2537 2001-08-17 Janis Johnson <janis187@us.ibm.com>
2539 * doc/install.texi (Install GCC): Add links to build status pages.
2541 (Final install): Ditto; request updates for specific info
2543 2001-08-17 Neil Booth <neil@daikokuya.demon.co.uk>
2545 * cpperror.c (print_location): Don't take a file name; use the
2547 (_cpp_begin_message): Similarly.
2548 (cpp_ice, cpp_fatal, cpp_error, cpp_error_with_line, cpp_warning,
2549 cpp_warning_with_line, cpp_pedwarn, cpp_pedwarn_with_line): Update.
2550 (cpp_pedwarn_with_file_and_line): Remove.
2551 * cppfiles.c (stack_include_file): Update; set filename to stdin
2552 here when appropriate.
2553 * cpphash.h (struct cpp_buffer): Remove nominal_fname.
2554 (_cpp_begin_message): Don't take a file name.
2555 * cppinit.c: Add comment.
2556 * cpplex.c: Fix end-of-directive indicator.
2557 * cpplib.c: Don't include intl.h.
2558 (run_directive, do_diagnostic): Update.
2559 (do_line): Update to not use nominal_fname.
2560 (cpp_push_buffer): Don't take a filename.
2561 * cpplib.h (struct ht): Remove.
2562 (cpp_push_buffer): Don't take a filename.
2563 (cpp_pedwarn_with_file_and_line): Remove.
2564 * cppmacro.c (struct cpp_macro): Remove file.
2565 (builtin_macro): Update.
2566 (_cpp_create_definition): Update.
2567 * cppmain.c: Correct comment.
2568 * fix-header.c (read_scan_file): Update.
2570 2001-08-17 Kazu Hirata <kazu@hxi.com>
2572 * sbitmap.c: Fix comment formatting.
2573 * sched-deps.c: Likewise.
2574 * sibcall.c: Likewise.
2575 * simplify-rtx.c: Likewise.
2577 * ssa-ccp.c: Likewise.
2578 * stor-layout.c: Likewise.
2579 * timevar.c: Likewise.
2580 * toplev.c: Likewise.
2581 * unwind-dw2.c: Likewise.
2582 * unwind-dw2-fde.c: Likewise.
2583 * varasm.c: Likewise.
2585 2001-08-17 John David Anglin <dave@hiauly1.hia.nrc.ca>
2587 * pa.h (RETURN_IN_MEMORY): Return types with a size that is varable
2588 or larger than an integer in memory.
2590 2001-08-17 Zack Weinberg <zackw@panix.com>
2592 * system.h: Forward-declare struct rtx_def, struct rtvec_def,
2593 and union tree_node. Typedef rtx, rtvec, and tree. Fix comment.
2594 * rtl.h: Don't forward-declare union tree_node here. Don't
2595 typedef rtx or rtvec here. Change all uses of struct rtx_def *,
2596 struct rtvec_def *, or union tree_node * to use rtx, rtvec,
2597 and tree respectively.
2598 * tree.h: Don't forward-declare struct rtx_def here. Don't
2599 typedef tree here. Change all uses of struct rtx_def *,
2600 struct rtvec_def *, or union tree_node * to use rtx, rtvec,
2601 and tree respectively.
2603 2001-08-17 Richard Henderson <rth@redhat.com>
2605 * config/mips/elf.h, config/mips/elf64.h, config/mips/netbsd.h,
2606 config/mips/openbsd.h: Fix typos last change.
2608 2001-08-17 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2610 * doc/invoke.texi (Optimize Options): The default for
2611 -finline-limit is 600.
2613 2001-08-17 Richard Henderson <rth@redhat.com>
2615 * varasm.c (text_section): Allow TEXT_SECTION to override the
2616 printing of TEXT_SECTION_ASM_OP.
2617 * dwarf2out.c (TEXT_SECTION_NAME): Rename from TEXT_SECTION.
2618 (DATA_SECTION, BSS_SECTION): Remove.
2619 * dwarfout.c (TEXT_SECTION_NAME, DATA_SECTION_NAME, DATA1_SECTION_NAME,
2620 RODATA_SECTION_NAME, RODATA1_SECTION_NAME, BSS_SECTION_NAME):
2621 Rename from s/_NAME//.
2622 * config/mips/mips.h (TARGET_FILE_SWITCHING): Add !TARGET_MIPS16.
2623 (ASM_DECLARE_FUNCTION_NAME): Move file switching ...
2624 (TEXT_SECTION): ... here. New.
2625 * config/mips/elf.h (TEXT_SECTION): New; no file switching.
2626 * config/mips/elf64.h, config/mips/netbsd.h: Likewise.
2627 * config/mips/openbsd.h: Likewise.
2628 * config/mips/mips.c (mips_asm_file_start): Tidy file switching test.
2629 (mips_asm_file_end): Likewise test.
2630 (mips_output_function_epilogue): Likewise. Switch back to data
2631 section after emitting the function.
2633 * doc/tm.texi (Sections): Document TEXT_SECTION.
2635 2001-08-17 Richard Henderson <rth@redhat.com>
2637 * dwarf2out.c (dwarf2out_init): Don't emit .debug_loc label here.
2638 (dwarf2out_finish): Do it here. Emit .debug_loc before .debug_info.
2640 2001-08-17 Richard Henderson <rth@redhat.com>
2642 * varasm.c (assemble_variable): Don't overalign if DECL_USER_ALIGN.
2643 * crtstuff.c (__CTOR_LIST__, __DTOR_LIST__, __EH_FRAME_BEGIN__,
2644 __JCR_LIST__, __CTOR_END__, __DTOR_END__, __FRAME_END__,__JCR_END__):
2645 Add aligned attribute.
2647 2001-08-17 Andrew Haley <aph@cambridge.redhat.com>
2649 * config/sh/sh.md: Add modes to unspecs in first insn to match
2650 those in the second.
2652 * Makefile.in: Fix collect2 copy for Cygwin.
2654 Fri Aug 17 15:48:57 CEST 2001 Jan Hubicka <jh@suse.cz>
2656 Install the proper patch.
2657 * function.c (put_var_into_stack): Temporarily clear DECL_RTL.
2658 (assign_params): Avoid setting DECL_RTL to unfinished RTX.
2659 (expand_function_start): Likewise.
2660 * stmt.c (expand_decl): Likewise.
2661 * varasm.c (make_decl_rtx): Likewise.
2663 Fri Aug 17 15:41:35 CEST 2001 Jan Hubicka <jh@suse.cz>
2665 * final.c: Undo my previous accidental checkin.
2666 * output.h: Likewise.
2667 * tm.texi: Likewise.
2669 2001-08-16 Richard Henderson <rth@redhat.com>
2671 * varasm.c (named_section_flags): Remove align parameter.
2672 * varasm.c, dwarf2out.c: Update all callers.
2673 * output.h: Update prototypes.
2675 * target.h (target.asm_out.named_section): Remove align parameter.
2676 * varasm.c, config/a29k/a29k.c, config/alpha/alpha.c,
2677 config/arm/arm.c, config/c4x/c4x.c, config/h8300/h8300.c,
2678 config/i386/i386.c, config/i386/winnt.c, config/m68k/m68k.c,
2679 config/mcore/mcore.c, config/mips/mips.c, config/rs6000/rs6000.c,
2680 config/sh/sh.c, config/sparc/sparc.c: Update implementations to match.
2682 * varasm.c (in_named_entry_eq, in_named_entry_hash): New.
2683 (get_named_section_flags, set_named_section_flags): New.
2684 (named_section_flags): Use them.
2685 (named_section): Do decl vs section flags check here...
2686 (default_section_type_flags): ... not here.
2687 (init_varasm_once): Create in_named_htab.
2688 (resolve_unique_section): Mark reloc unused.
2690 2001-08-16 Richard Henderson <rth@redhat.com>
2692 * varasm.c (force_const_mem): Keep pool alignment in bits.
2693 (output_constant_pool): Use assemble_align.
2695 2001-08-16 Zack Weinberg <zackw@panix.com>
2697 * doc/tm.texi: Remove extra @table command.
2699 2001-08-16 Zack Weinberg <zackw@panix.com>
2701 * final.c (shorten_branches): Clear the end of the label_align
2702 array only if we made it larger. Break up messy expressions
2705 * diagnostic.c (internal_error): Check for error recursion
2706 before doing ICE suppression.
2708 * timevar.c: Timing variables now count in milliseconds.
2709 (init_timevar): Set up ticks_to_msec and clocks_to_msec here.
2710 (get_time): Not here.
2711 (timevar_print): Don't print any timer whose user, cpu, and
2712 wall times are all zero as displayed.
2713 * timevar.h: Update comment aboout units. Make timevar
2716 Thu Aug 16 17:39:45 CEST 2001 Jan Hubicka <jh@suse.cz>
2718 * function.c (put_var_into_stack): Temporarily clear DECL_RTL.
2719 (assign_params): Avoid setting DECL_RTL to unfinished RTX.
2720 (expand_function_start): Likewise.
2721 * stmt.c (expand_decl): Likewise.
2722 * varasm.c (make_decl_rtx): Likewise.
2724 2001-08-16 Jason Merrill <jason_merrill@redhat.com>
2726 * stor-layout.c (layout_decl): Don't set DECL_USER_ALIGN.
2727 (finalize_record_size): Don't set TYPE_USER_ALIGN.
2729 2001-08-16 Matt Kraai <kraai@alumni.carnegiemellon.edu>
2731 * config/i386/i386.c (ix86_init_mmx_sse_builtins): Remove unused
2734 2001-08-16 Andreas Jaeger <aj@suse.de>
2736 * config/s390/s390.c: Include "debug.h" for dwarf2out_do_frame
2739 Wed Aug 15 15:22:52 EDT 2001 John Wehle (john@feith.com)
2741 * rtl.h (only_sets_cc0_p): New prototype.
2742 * jump.c (sets_cc0_p): Handle INSN.
2743 (only_sets_cc0_p): New function.
2744 * flow.c (merge_blocks_nomove): Use only_sets_cc0_p.
2745 (tidy_fallthru_edge): Likewise.
2746 * integrate.c (copy_insn_list): Likewise.
2747 * unroll.c (unroll_loop): Likewise.
2748 (copy_loop_body): Likewise.
2750 2001-08-15 Jason Eckhardt <jle@redhat.com>
2752 * config/i960/i960.md (trap): Change "faulteq.t" to "faulte.t".
2754 Wed Aug 15 14:24:22 CEST 2001 Jan Hubicka <jh@suse.cz>
2756 * predict.c (struct block_info_def): Remove nvisited.
2757 (propagate_freq): Use EDGE_DFS_BACK to detect irreducible regions.
2758 (estimate_bb_frequencies): Call mark_dfs_back_edges.
2760 * i386.c (ix86_agi_depdendant): Lea causes AGI only on the Pentium
2761 (ix86_adjust_cost): Teach scheduler that latency to load operand can
2764 Wed Aug 15 12:41:32 CEST 2001 Jan Hubicka <jh@suse.cz>
2766 * predict.def: Update hitrates.
2768 2001-08-15 Richard Henderson <rth@redhat.com>
2770 * except.c (TYPE_HASH): Cast to size_t, not HOST_WIDE_INT.
2772 Tue Aug 14 17:30:59 2001 Jeffrey A Law (law@cygnus.com)
2774 * flow.c (commit_one_edge_insertion): Don't separate a LOOP_BEG
2775 note from its associated jump.
2777 2001-08-14 Ulrich Weigand <uweigand@de.ibm.com>
2779 * config/s390/linux64.h (CPP_PREDEFINES): Define __s390__
2780 also on 64-bit s390x targets.
2782 2001-08-14 Nick Clifton <nickc@cambridge.redhat.com>
2784 * config/arm/arm.c (arm_compute_initial_elimination_offset): New
2786 (arm_expand_prologue): Handled nested functions which take a
2787 variable argument list.
2788 * config/arm/arm.h (ARM_INITIAL_ELIMINATION_OFFSET): Replace
2789 macro with an invocation of
2790 arm_compute_initial_elimination_offset.
2791 * config/arm/arm-protos.h: Prototype
2792 arm_compute_initial_elimination_offset.
2794 2001-08-14 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2796 * doc/install.texi (Specific, avr): Fix markup.
2797 (Specific, c4x): Ditto.
2799 2001-08-14 Matt Kraai <kraai@alumni.carnegiemellon.edu>
2801 * predict.c (dump_prediction): Change `bool' parameter to `int'.
2803 2001-08-14 Gabriel Dos Reis <gdr@codesourcery.com>
2805 * Makefile.in (OBJS): Add rtl-error.o
2806 (rtl-error.o): New rule.
2807 (diagnostic.o): Adjust dependency.
2808 diagnostic.c (file_and_line_for_asm, diagnostic_for_asm,
2809 error_for_asm, _fatal_insn, _fatal_insn_not_found,
2810 warning_for_asm): Move to...
2811 rtl-error.c: ...here. New file.
2813 2001-08-14 Richard Henderson <rth@redhat.com>
2815 * dwarf2out.c (dwarf2out_frame_finish): Never emit .eh_frame
2816 if USING_SJLJ_EXCEPTIONS.
2818 2001-08-14 Steve Ellcey <sje@cup.hp.com>
2820 * tlink.c (scan_linker_output): Check string for unsatisfied in
2821 addition to undefined and unresolved.
2823 2001-08-14 Graham Stott <grahams@redhat.com>
2825 * libgcc2.c (*): Replace EH_FRAME_SECTION with
2826 EH_FRAME_SECTION_NAME.
2828 Tue Aug 14 14:57:07 CEST 2001 Jan Hubicka <jh@suse.cz>
2830 * genattrtab.c (simplify_test_exp_in_temp): New function.
2831 (simplify_test_exp): Avoid explicit use of temporary obstack.
2832 (simplify_cond, insert_right_side, evaluate_eq_attr,
2833 simplify_and_tree, simplify_or_tree, eliminate_known_true):
2834 Use simplify_test_exp_in_temp.
2835 (optimize_attrs): Iterate until expression stabilizes.
2837 2001-08-13 Ulrich Weigand <uweigand@de.ibm.com>:
2839 * glimits.h: Remove the __LONG_MAX__ special case for s390x.
2840 * config/s390/linux64.h: Define __LONG_MAX__ in CPP_PREDEFINES.
2842 2001-08-13 Richard Henderson <rth@redhat.com>
2844 * config/arm/unknown-elf.h (CTOR_LIST_BEGIN, CTOR_LIST_END): Remove.
2845 (DTOR_LIST_BEGIN, DTOR_LIST_END): Remove.
2846 * config/arm/conix-elf.h: Likewise.
2848 2001-08-13 Geoffrey Keating <geoffk@redhat.com>
2850 * config/svr4.h (LINK_SPEC): Don't do -Wl, here, it is done
2852 * config/rs6000/sysv4.h (LINK_SPEC): Likewise.
2854 * gcse.c (hash_scan_set): Expressions that are set as part of
2855 jump instructions are not available.
2857 2001-08-13 Ulrich Weigand <uweigand@de.ibm.com>
2859 * config/s390/s390.c (print_operand, s390_function_prologue,
2860 s390_va_start): Fixed HOST_WIDE_INT type mismatch.
2862 2001-08-13 Richard Henderson <rth@redhat.com>
2864 * config/rs6000/xcoff.h (EH_FRAME_IN_DATA_SECTION): New.
2865 * defaults.h (EH_FRAME_SECTION_NAME): Respect it.
2866 * doc/tm.texi (Exception Region Output): Document it.
2868 2001-08-13 Geoffrey Keating <geoffk@redhat.com>
2870 * config/rs6000/sysv4.h (PREFERRED_DEBUGGING_TYPE): Use
2871 DWARF2 instead of stabs by default.
2873 2001-08-13 David Edelsohn <edelsohn@gnu.org>
2875 * config/rs6000/rs6000.c: Include optabs.h.
2877 2001-08-13 David Edelsohn <edelsohn@gnu.org>
2879 * config/rs6000/eabi.asm: Define 64-bit versions of FPR
2880 save/restore routines.
2881 * ginclude/ppc-asm.h: Define 64-bit FUNC_* macros.
2883 2001-08-13 Andreas Jaeger <aj@suse.de>
2885 * gcc.c (init_spec): Revert last patch by Theodore Papadopoulo,
2886 the english is correct.
2888 2001-08-13 Zack Weinberg <zackw@panix.com>
2890 * expr.h: Split out optab- and libfunc-related code to...
2891 * optabs.h, libfuncs.h: ... these new headers.
2893 * Makefile.in (CONFIG_H, EXPR_H): Take out insn-codes.h.
2895 (various .o rules): Add $(OPTABS_H) and/or libfuncs.h to
2897 * mkconfig.sh: Don't include insn-codes.h from config.h.
2899 * reload.h: Use #ifdef GCC_INSN_CODES_H to decide whether
2900 enum insn_code is available. Move reload_in_optab and
2901 reload_out_optab array declarations to optabs.h.
2902 * regmove.c (gen_add3_insn): Move to optabs.c, export from
2903 there, prototype in expr.h.
2904 * gencodes.c: Cleanup: zap global variables, don't use
2905 printf where puts will do, don't bother defining MAX_INSN_CODE
2906 which nothing uses, let CODE_FOR_nothing get its value implicitly.
2908 * genemit.c, genopinit.c: Include optabs.h in generated file.
2909 * genoutput.c: Include insn-codes.h in generated file.
2910 * builtins.c, caller-save.c, combine.c, doloop.c, explow.c,
2911 expmed.c, expr.c, function.c, ifcvt.c, loop.c, optabs.c, profile.c,
2912 reload1.c, simplify-rtx.c, stmt.c, unroll.c, config/alpha/alpha.c,
2913 config/arm/arm.c, config/c4x/c4x.c, config/clipper/clipper.c,
2914 config/i386/i386.c, config/ia64/ia64.c, config/mn10300/mn10300.c,
2915 config/pj/pj.c, config/sh/sh.c, config/sparc/sparc.c:
2917 * builtins.c, calls.c, dwarf2out.c, except.c, expr.c, function.c,
2918 optabs.c, stmt.c, config/c4x/c4x.c, config/clipper/clipper.c,
2919 config/m88k/m88k.c, config/sparc/sparc.c:
2921 * reload.c: Include expr.h and optabs.h before reload.h.
2922 * config/alpha/alpha.c: Include tree.h before reload.h.
2923 * config/pa/pa.c: Include expr.h, optabs.h, libfuncs.h,
2924 and reload.h in that order.
2925 * config/sparc/sparc.c: Include debug.h.
2926 * recog.c: Include insn-codes.h.
2928 2001-08-13 Andreas Jaeger <aj@suse.de>
2930 * config.gcc: Use t-slibgcc-elf to build shared libgcc_s on
2933 2000-08-13 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
2935 * dwarf2out.c (output_cfa_loc): Fix typo in comment.
2936 * gcc.c (init_spec): Fix typo in comment.
2937 * varasm.c (data_section): Fix typo in comment.
2939 Mon Aug 13 02:27:39 CEST 2001 Jan Hubicka <jh@suse.cz>
2941 * predict.c (dump_prediction): New argument "USED".
2942 (combine_predictions_for_insn): Determine the used heuristics,
2943 output the case no heuristic applied.
2944 * predict.def (PRED_DS_THEORY, PRED_NO_HEURISTIC): New.
2946 2001-08-13 Andreas Jaeger <aj@suse.de>
2948 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Don't capitalize
2951 2001-08-13 Kazu Hirata <kazu@hxi.com>
2953 * jump.c: Fix formatting.
2955 2001-08-13 Kazu Hirata <kazu@hxi.com>
2957 * config/h8300/h8300.md (zero_extendqihi2): Correct the insn
2960 2001-08-12 Geoffrey Keating <geoffk@redhat.com>
2962 * loop.c (check_dbra_loop): Use condjump_label to compute
2965 * rtl.h: Move prototypes of rtx_alloc and rtvec_alloc around
2966 to better document the files they're in.
2968 2001-08-12 Zack Weinberg <zackw@panix.com>
2970 * recog.h (struct insn_operand_data): Shrink 'mode' field
2973 2001-08-12 Kazu Hirata <kazu@hxi.com>
2975 * gcc.c: Fix comment formatting.
2976 * gccspec.c: Likewise.
2979 * genemit.c: Likewise.
2980 * gengenrtl.c: Likewise.
2981 * genrecog.c: Likewise.
2982 * gensupport.c: Likewise.
2983 * ggc-page.c: Likewise.
2984 * global.c: Likewise.
2985 * graph.c: Likewise.
2986 * ifcvt.c: Likewise.
2987 * integrate.c: Likewise.
2989 * libgcc2.c: Likewise.
2991 * mbchar.c: Likewise.
2992 * optabs.c: Likewise.
2993 * predict.c: Likewise.
2994 * prefix.c: Likewise.
2995 * profile.c: Likewise.
2996 * protoize.c: Likewise.
2998 * recog.c: Likewise.
2999 * regclass.c: Likewise.
3000 * regmove.c: Likewise.
3001 * reg-stack.c: Likewise.
3002 * reload1.c: Likewise.
3003 * resource.c: Likewise.
3004 * rtlanal.c: Likewise.
3007 2001-08-12 Kazu Hirata <kazu@hxi.com>
3009 * doc/tm.texi (ENCODE_SECTION_INFO): Add documentation on how
3010 a tree representing a constant is passed to the macro.
3012 2001-08-12 Richard Henderson <rth@redhat.com>
3014 * config/rs6000/rs6000.c (rs6000_elf_asm_out_constructor): New.
3015 (rs6000_elf_asm_out_destructor): New.
3016 * config/rs6000/sysv4.h (CTORS_SECTION_ASM_OP): Remove.
3017 (DTORS_SECTION_ASM_OP): Remove.
3018 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
3019 (ASM_OUTPUT_INT): Don't hack TARGET_RELOCATABLE for constructors.
3021 2001-08-12 David Edelsohn <edelsohn@gnu.org>
3024 2001-08-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3025 * gcc.c (set_collect_gcc_options): New function, split out from
3027 Ignore elided switches.
3028 (do_spec_1): Invoke before executing command.
3029 (set_input): Export.
3030 Move declaration ...
3031 * gcc.h (set_input): ... here.
3032 * config/alpha/osf.h (ASM_FINAL_SPEC): Use %U.s to refer to input
3035 2001-08-12 Richard Henderson <rth@redhat.com>
3037 * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Fix
3038 thinko wrt TARGET_RELOCATABLE.
3040 2001-08-12 Neil Booth <neil@daikokuya.demon.co.uk>
3042 * fix-header.c (cb_file_change): Update prototype.
3044 2001-08-11 Zack Weinberg <zackw@panix.com>
3046 * toplev.c (set_float_handler): Make static.
3047 * toplev.h: Don't prototype set_float_handler.
3049 * simplify-rtx.c: Don't include setjmp.h.
3050 (simplify_unary_real, simplify_binary_real, simplify_binary_is2orm1):
3052 (simplify_unary_operation, simplify_binary_operation): Use them,
3053 via do_float_handler.
3055 * fold-const.c: Don't include setjmp.h.
3056 (exact_real_inverse_1): New function.
3057 (exact_real_inverse): Use it, via do_float_handler.
3059 * varasm.c: Don't include setjmp.h.
3060 (assemble_real_1): New function.
3061 (assemble_real): Use it, via do_float_handler.
3062 Call internal_error if we get a trap here.
3064 * c-parse.in, cse.c, cselib.c, config/i386/i386.c,
3065 config/pj/pj.c, config/s390/s390.c: Don't include setjmp.h.
3067 2001-08-11 Zack Weinberg <zackw@panix.com>
3069 * defaults.h: Define PREFERRED_STACK_BOUNDARY to
3070 STACK_BOUNDARY if not already defined.
3072 * calls.c, function.c, reload1.c, explow.c: Don't default
3073 PREFERRED_STACK_BOUNDARY. Remove all #if/#ifdef on
3074 PREFERRRED_STACK_BOUNDARY and/or STACK_BOUNDARY.
3076 * explow.c (allocate_dynamic_stack_space): Change unsafe #if
3079 * doc/tm.texi: Document that STACK_BOUNDARY is required;
3080 clarify difference between it and PREFERRED_STACK_BOUNDARY.
3082 2001-08-11 Neil Booth <neil@daikokuya.demon.co.uk>
3084 * cppmacro.c (enter_macro_context): Push macro expansions even
3087 2001-08-11 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3089 * config/rs6000/rs6000.c: Include integrate.h to silence warning.
3090 (rs6000_elf_section_type_flags): Actually return a value.
3092 2001-08-11 Ulrich Weigand <uweigand@de.ibm.com>
3094 * s390.c, s390.h, s390.md, s390-protos.h, linux.h, t-linux:
3095 Clean up code: add missing comments and prototypes, fix warnings,
3096 remove obsolete code, fix spacing to conform to coding style.
3098 2001-08-11 Ulrich Weigand <uweigand@de.ibm.com>
3100 * config/s390/s390.c (targetm): Define TARGET_ASM_OPEN_PAREN
3101 and TARGET_ASM_CLOSE_PAREN.
3102 (regclass_map): CC register belongs to class NO_REGS.
3103 (legitimize_pic_address): Don't generate unnecessary moves
3104 (to avoid confusing loop optimization).
3105 (check_and_change_labels): Replace jump_long by indirect_jump.
3106 (s390_final_chunkify): Don't start a new literal pool on section
3107 switch in 64-bit code.
3108 (s390_va_start, s390_va_arg): Fixed incorrect sizes for 64-bit.
3110 * config/s390/s390.h (TARGET_SWITCHES): Renamed debug_arg to debug.
3111 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE): Set to 64 (for 64-bit).
3112 (HARD_REGNO_MODE_OK, RETURN_IN_MEMORY): Support complex integer
3114 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Remove CC_REGS.
3115 (EH_RETURN_HANDLER_RTX): Fixed incorrect offset for 64-bit.
3116 (CONST_COSTS): Fixed incorrect costs.
3118 * config/s390/s390.md (fixuns_trunc[sd]f[sd]i2, udivsi3, umodsi3):
3119 Use emit_jump instead of emit_jump_insn (gen_jump).
3120 (divsi3, modsi3): Clobber low word of divmoddisi3 before shifting
3121 (to avoid confusing flow analysis).
3122 (tablejump, tablejump1, tablejump2): Removed. Replaced by casesi.
3123 (casesi, casesi_jump): New.
3124 (jump_long): Removed. Functionality merged into indirect_jump.
3125 (indirect_jump): Accept address_operand, not just register_operand.
3126 (cjump_long, icjump_long): Use same logic as indirect_jump.
3127 (builtin_setjmp_setup, builtin_setjmp_receiver, builtin_longjmp):
3128 Fixed broken setjmp/longjmp handling.
3129 (do_builtin_setjmp_setup): Removed.
3131 * config/s390/linux.h (ASM_OUTPUT_DOUBLE_INT): Work around
3132 broken GNU as versions that don't accept .quad with large
3133 negative values. Use hexadecimal output instead.
3134 (ASM_OUTPUT_ADDR_DIFF_ELT): Adapt to new casesi insn.
3135 (ASM_OPEN_PAREN, ASM_CLOSE_PAREN, FUNCTION_PROLOGUE,
3136 FUNCTION_EPILOGUE): Removed. Now in targetm.
3138 * config/s390/linux64.h (CALL_USED_REGISTERS): Add CC register.
3140 * config/s390/fixdfdi.h: Add missing copyright statement.
3141 Fix type conflicts on 64-bit. Add missing SFmode routines.
3143 * s390.c, s390.h, s390.md, linux.h, linux64.h: Fixed incorrect
3146 2001-08-11 Richard Henderson <rth@redhat.com>
3148 * rtl.h (REG_EH_RETHROW): Remove.
3149 * rtl.c (reg_note_name): Update.
3150 * combine.c (distribute_notes): Don't check for it.
3152 2001-08-11 Richard Henderson <rth@redhat.com>
3154 * combine.c (distribute_notes): Place REG_SETJMP.
3156 2001-08-11 Richard Henderson <rth@redhat.com>
3158 * doc/extend.texi (Arrays and pointers implementation): Discourage
3159 relying on sign-extension of pointers.
3161 2001-08-11 H.J. Lu <hjl@gnu.org>
3163 * config/mips/linux.h (EXTRA_SECTIONS): Remove in_ctors and
3165 (EXTRA_SECTION_FUNCTIONS): Remove DTORS_SECTION_ASM_OP and
3166 RDATA_SECTION_ASM_OP.
3168 2001-08-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3170 * doc/install.texi (Specific, c4x): Fix cross-reference to the
3171 main manual to work both for info and HTML versions.
3173 2001-08-11 Neil Booth <neil@daikokuya.demon.co.uk>
3174 Matt Kraai <kraai@alumni.carnegiemellon.edu>
3176 * cpphash.c (_cpp_destroy_hashtable): Use ht_destroy.
3177 * cpphash.h (CPP_IN_SYSTEM_HEADER): Fix.
3178 (struct cpp_pool): New member first.
3179 * cppinit.c (append_include_chain): Plug memory leaks.
3180 * cpplib.c (cpp_register_pragma, cpp_register_pragma_space):
3181 Allocate pragma structures from the (aligned) macro pool to
3182 avoid leaking memory.
3183 * cpplex.c (_cpp_init_pool, _cpp_free_pool): Use pool->first
3184 so we don't leak memory.
3185 * hashtable.c (ht_destroy): New.
3186 * hashtable.h (ht_destroy): New.
3188 2001-08-11 Neil Booth <neil@daikokuya.demon.co.uk>
3189 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3191 * c-lex.c (map): Make const.
3192 (cb_file_change): Update for callback passing a line map.
3193 Don't assume we have a previous map. Remove sanity check
3194 about popping too many files.
3195 * cpperror.c (print_location): Make map const.
3196 * cppfiles.c (stack_include_file): Update; line maps now hold sysp.
3197 (cpp_make_system_header): Similarly.
3198 (search_from): Similarly.
3199 (_cpp_execute_include): Don't remember where we came from.
3200 * cpphash.h (struct cpp_buffer): Remove return_to_line, sysp.
3201 (struct cpp_reader): Make map const.
3202 (CPP_IN_SYSTEM_HEADER, _cpp_do_file_change): Update.
3203 * cpplib.c (do_line): Update; line maps now hold sysp.
3204 (cpp_push_buffer): Similarly.
3205 (_cpp_do_file_change): Similarly; callback with map instead.
3206 (cpp_get_line_maps): Constify return value.
3207 (_cpp_pop_buffer): Update.
3208 * cpplib.h (struct cpp_file_change): Remove.
3209 (struct cpp_callbacks): Update.
3210 (cpp_get_line_maps): Constify return value.
3211 * cppmacro.c (_cpp_create_definition): Update.
3212 * cppmain.c (struct printer): Constify map.
3213 (maybe_print_line): Similarly.
3214 (print_line): Similarly. Deduce flags 1 and 2 here.
3215 (cb_file_change): Update.
3216 * line-map.c (free_line_maps): Warn regardless.
3217 (add_line_map): Return pointer to const. When passed NULL to_file
3218 with LC_LEAVE, use the obvious values for the return point so the
3219 caller doesn't have to figure them out.
3220 (lookup_line): Return pointer to const.
3221 (print_containing_files): Take pointer to const.
3222 * line-map.h (struct line_map): New members reason, sysp.
3223 (add_line_map): Return pointer to const.
3224 (lookup_line): Similarly.
3225 (print_containing_files): Take pointer to const.
3227 2001-08-10 Roman Zippel <zippel@linux-m68k.org>
3228 Richard Henderson <rth@redhat.com>
3230 * regmove.c (regmove_optimize): Avoid setting a register twice in
3233 2001-08-10 Richard Henderson <rth@redhat.com>
3235 * doc/extend.texi (Arrays and pointers implementation): Document
3236 behavior of pointer/integer conversion.
3238 2001-08-10 Ulrich Weigand <uweigand@de.ibm.com>
3240 * glimits.h (__LONG_MAX__): Add s390x as 64-bit architecture.
3242 2001-08-10 Richard Henderson <rth@redhat.com>
3244 * doc/extend.texi (C Implementation): New chapter.
3245 * doc/gcc.texi (Top): Link it in.
3247 2001-08-10 Andrew Cagney <ac131313@redhat.com>
3249 * doc/install.texi (Specific): Fix CVS merge botch.
3251 2001-08-10 Richard Henderson <rth@redhat.com>
3253 * config/m68k/m68k.c (m68k_svr3_asm_out_constructor): Protect with
3254 ifdef CTOR_LIST_BEGIN instead of INIT_SECTION_ASM_OP.
3256 2001-08-10 Zack Weinberg <zackw@stanford.edu>
3258 * calls.c, function.c: Always define PREFERRED_STACK_BOUNDARY
3259 if not already defined. Remove all #ifdefs on STACK_BOUNDARY;
3260 this macro is now required.
3262 * cselib.c (cselib_process_insn), flow.c (propagate_block),
3263 loop.c (find_and_verify_loops), reload.c (reload): Check
3264 for rtx code of CALL_INSN, not CALL, when deciding if we
3265 need to check for REG_SETJMP note.
3267 * gcse.c (compute_hash_table, compute_store_table): Update
3268 the #ifdef NON_SAVING_SETJMP code to the new REG_SETJMP
3271 * config/avr/avr.c: Fix typo.
3272 * config/convex/convex.c (expand_movstr): Use adjust_address.
3273 * config/dsp16xx/dsp16xx.c: Define dsp16xx_compare_gen
3275 * config/dsp16xx/dsp16xx.md: Correct calls to replace_equiv_address.
3276 * config/elxsi/elxsi.c: Include tree.h, expr.h, regs.h, and flags.h.
3278 * config/elxsi/elxsi.h: Don't define Rmode (typo for Pmode?)
3279 Do define STACK_BOUNDARY.
3280 * config/i370/i370.c: Include expr.h.
3281 * config/i860/sysv3.h, config/i860/sysv4.h, config/m32r/m32r.h,
3282 config/pa/som.h, config/v850/v850.h: Take in_ctors and
3283 in_dtors out of EXTRA_SECTIONS; take CTORS_SECTION_FUNCTION
3284 and DTORS_SECTION_FUNCTION out of EXTRA_SECTION_FUNCTIONS.
3285 * config/m88k/m88k.c: Include c-tree.h after expr.h.
3286 * config/pdp11/pdp11.c: Include expr.h and toplev.h.
3287 * config/romp/romp.c: Include expr.h after tree.h.
3289 (output_fpop): Use xmalloc, not oballoc.
3290 * config/we32k/we32k.c: Include expr.h.
3292 2001-08-10 Kazu Hirata <kazu@hxi.com>
3294 * config/h8300/h8300.h: Fix formatting.
3296 2001-08-08 Jason Merrill <jason_merrill@redhat.com>
3298 * c-common.h (RETURN_NULLIFIED_P): Lose.
3299 * c-semantics.c (genrtl_return_stmt): Don't check it.
3301 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
3303 * config/mips/mips.c (mips_add_large_offset_to_sp): New function.
3304 (mips_annotate_frame_insn): New function.
3305 (mips_emit_frame_related_store): New function.
3306 (save_restore_insns): Don't mark instructions that set up the base
3307 registers as frame-related. Add REG_FRAME_RELATED_EXPR notes to
3308 the store instructions instead.
3309 (mips_expand_prologue): If the stack size is moved into a temporary
3310 register, do not mark that move as frame-related. Add a
3311 REG_FRAME_RELATED_EXPR note to the stack adjustment instruction.
3313 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
3315 * config/mips/mips.c (save_restore_insns): Don't mark the RA's
3316 stack slot as unchanging if current_function_calls_eh_return.
3318 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
3320 * config/mips/mips.md (reload_incc): Use HARD_REGNO_NREGS to
3321 access the second half of the TFmode scratch operand.
3323 2001-08-10 Anthony Green <green@redhat.com>
3325 * java/class.c (emit_register_classes): Conditionalize code on
3328 2001-08-10 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3330 * doc/install.texi (Specific, avr): Fix cross-reference to the
3331 main manual to work both for info and HTML versions.
3333 2001-08-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
3335 * stmt.c (expand_null_return_1): Remove code to generate simple returns
3336 and "use_goto" argument.
3337 (expand_null_return, expand_value_return): Update all callers.
3338 * function.c (expand_function_end): Remove code to generate simple
3340 * config/vax/vax.md (epilogue): New expander for function return.
3341 * doc/md.texi (epilogue): Remove "if defined".
3343 2001-08-09 Zack Weinberg <zackw@stanford.edu>
3345 * Makefile.in: Partially revert my previous change:
3346 put -DGENERATOR_FILE back in HOST_CFLAGS, take it out
3347 of the hashtab.o and safe-ctype.o rules.
3349 2001-08-09 Richard Henderson <rth@redhat.com>
3351 * Makefile.in (MAYBE_USE_COLLECT2): Remove; purge all uses.
3352 (USE_COLLECT2): Remove duplicate definition.
3353 * config.gcc (a29k-udi, a29k-wrs-vxworks) [tm_file]: Remove a29k/udi.h.
3354 (use_collect2): Remove dead code.
3355 * configure.in (use_collect2): Remove will_use_collect2 and
3356 maybe_use_collect2; add USE_COLLECT2 to host_xm_defines and xm_defines.
3357 * configure: Rebuild.
3359 * target.h (targetm.asm_out.constructor): New.
3360 (targetm.asm_out.destructor, targetm.have_ctors_dtors): New.
3361 * target-def.h (TARGET_ASM_CONSTRUCTOR): New.
3362 (TARGET_ASM_DESTRUCTOR, TARGET_HAVE_CTORS_DTORS): New.
3363 * varasm.c (in_ctors, in_dtors): New.
3364 (assemble_constructor, assemble_destructor): Remove.
3365 (default_stabs_asm_out_destructor): New.
3366 (default_named_section_asm_out_destructor): New.
3367 (dtors_section, default_dtor_section_asm_out_destructor): New.
3368 (default_stabs_asm_out_constructor): New.
3369 (default_named_section_asm_out_constructor): New.
3370 (ctors_section, default_ctor_section_asm_out_constructor): New.
3371 * output.h: Update declarations.
3372 * c-decl.c (c_expand_body): Use target hooks instead of
3373 assemble_constructor and assemble_destructor.
3374 * profile.c (output_func_start_profiler): Likewise.
3375 * objc/objc-act.c (finish_objc): Likewise.
3376 (build_module_descriptor): Tidy. Set TREE_PUBLIC properly
3377 for the constructor.
3378 * objc/Make-lang.in (objc-act.o): Depend on TARGET_H.
3380 * crtstuff.c (CTORS_SECTION_ASM_OP): Don't define.
3381 (DTORS_SECTION_ASM_OP): Likewise.
3382 (__CTOR_LIST__): Use attribute section when possible.
3383 (__DTOR_LIST__, __CTOR_END__, __DTOR_END__): Likewise.
3385 * defaults.h (EH_FRAME_SECTION_NAME): Don't depend on
3386 ASM_OUTPUT_CONSTRUCTOR.
3388 * config/darwin.c (machopic_asm_out_constructor): New.
3389 (machopic_asm_out_destructor): New.
3390 * config/darwin-protos.h: Update declarations.
3391 * config/darwin.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
3392 (ASM_OUTPUT_DESTRUCTOR): Remove.
3393 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
3394 * config/nextstep.c (nextstep_asm_out_constructor): New.
3395 (nextstep_asm_out_destructor): New.
3396 * config/nextstep.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
3397 (ASM_OUTPUT_DESTRUCTOR): Remove.
3398 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
3399 * config/nextstep21.h: Undef TARGET_ASM_*STRUCTOR instead of
3400 ASM_OUTPUT_*STRUCTOR.
3401 * config/i386/aix386ng.h: Likewise.
3403 * config/elfos.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Remove.
3404 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): No ctors/dtors.
3405 (CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Remove.
3406 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
3407 * config/lynx.h: Likewise.
3408 * config/netware.h: Likewise.
3409 * config/psos.h: Likewise.
3410 * config/alpha/alpha-interix.h: Likewise.
3411 * config/alpha/elf.h: Likewise.
3412 * config/arc/arc.h: Likewise.
3413 * config/arm/aof.h: Likewise.
3414 * config/arm/coff.h: Likewise.
3415 * config/arm/elf.h: Likewise.
3416 * config/c4x/c4x.h: Likewise.
3417 * config/h8300/h8300.h: Likewise.
3418 * config/i386/cygwin.h: Likewise.
3419 * config/i386/djgpp.h: Likewise.
3420 * config/i386/i386-coff.h: Likewise.
3421 * config/i386/i386-interix.h: Likewise.
3422 * config/i386/sco5.h: Likewise.
3423 * config/i386/vsta.h: Likewise.
3424 * config/i386/win32.h: Likewise.
3425 * config/i960/i960-coff.h: Likewise.
3426 * config/ia64/sysv4.h: Likewise.
3427 * config/m68hc11/m68hc11.h: Likewise.
3428 * config/m68k/coff.h: Likewise.
3429 * config/m68k/mot3300.h: Likewise.
3430 * config/m88k/m88k.h: Likewise.
3431 * config/mcore/mcore-pe.h: Likewise.
3432 * config/mcore/mcore.h: Likewise.
3433 * config/mips/elf.h: Likewise.
3434 * config/mips/elf64.h: Likewise.
3435 * config/mips/iris6.h: Likewise.
3436 * config/pa/pa64-hpux.h: Likewise.
3437 * config/rs6000/sysv4.h: Likewise.
3438 * config/sh/sh.h: Likewise.
3439 * config/sparc/litecoff.h: Likewise.
3441 * config/svr3.h (CTORS_SECTION_ASM_OP): Remove.
3442 (CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Remove.
3443 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
3444 * config/1750a/1750a.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
3445 (ASM_OUTPUT_DESTRUCTOR): Remove.
3446 * config/a29k/a29k.c: Move include of tree.h.
3447 * config/a29k/udi.h: Delete file.
3448 * config/alpha/alpha.c (vms_asm_out_constructor): New.
3449 (vms_asm_out_destructor): New.
3450 * config/alpha/vms.h (EXTRA_SECTIONS): No ctors/dtors.
3451 (EXTRA_SECTION_FUNCTIONS): Likewise.
3452 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
3453 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
3454 * config/c4x/c4x.c: Move include of tree.h.
3455 * config/clipper/clipper.c (clix_asm_out_constructor): New.
3456 (clix_asm_out_destructor): New.
3457 * config/clipper/clix.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
3458 (ASM_OUTPUT_DESTRUCTOR): Remove.
3459 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
3460 * config/i386/aix386.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
3461 (TARGET_ASM_CONSTRUCTOR): New.
3462 * config/i386/i386.c (ix86_svr3_asm_out_constructor): New.
3463 (sco_asm_out_constructor): New.
3464 * config/i386/sco5.h (TARGET_ASM_CONSTRUCTOR): New.
3465 * config/i386/svr3gas.h: Remove stack grows up code.
3466 Remove code duplicated from i386/sysv3.h.
3467 (TARGET_ASM_CONSTRUCTOR): New.
3468 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
3469 (DTORS_SECTION_FUNCTION, CTORS_SECTION_FUNCTION): Remove.
3470 * config/i386/sysv3.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
3471 (TARGET_ASM_CONSTRUCTOR): New.
3472 * config/m68hc11/m68hc11.c (m68hc11_asm_out_constructor): New.
3473 (m68hc11_asm_out_destructor): New.
3474 * config/m68hc11/m68hc11.h (TARGET_ASM_CONSTRUCTOR): New.
3475 (TARGET_ASM_DESTRUCTOR): New.
3476 * config/m68k/auxgas.h: Don't undef ASM_OUTPUT_*STRUCTOR.
3477 * config/m68k/dpx2.h: Properly undef all the bits inherited from
3478 config/svr3.h pertaining to section manipulation.
3479 * config/m68k/dpx2g.h: Remove #if 0 code.
3480 * config/m68k/m68k.c (m68k_svr3_asm_out_constructor): New.
3481 * config/m68k/tower-as.h (ASM_OUTPUT_SOURCE_LINE): Fix typo.
3482 (ASM_OUTPUT_CONSTRUCTOR): Remove.
3483 (TARGET_ASM_CONSTRUCTOR): New.
3484 * config/m88k/m88k.c (m88k_layout_frame): Don't use assign_stack_local.
3485 (m88k_svr3_asm_out_constructor): New.
3486 (m88k_svr3_asm_out_destructor): New.
3487 * config/m88k/sysv3.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
3488 (ASM_OUTPUT_DESTRUCTOR): Remove.
3489 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
3490 * config/mips/mips.h: Remove #if 0 ASM_OUTPUT_*STRUCTOR code.
3491 * config/rs6000/aix.h: Likewise.
3492 * config/mips/rtems64.h: Don't undef removed constructor related bits.
3493 * config/mips/vxworks.h: Likewise.
3494 * config/rs6000/lynx.h: Likewise.
3495 * config/sh/elf.h: Likewise.
3496 * config/rs6000/sysv4.h (CTORS_SECTION_ASM_OP): New.
3497 (DTORS_SECTION_ASM_OP): New.
3498 * config/sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
3499 (ASM_OUTPUT_DESTRUCTOR): Remove.
3500 * config/sparc/sol2-sld-64.h: Likewise.
3501 * config/vax/vax.c (vms_asm_out_constructor): New.
3502 (vms_asm_out_destructor): New.
3503 * config/vax/vms.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
3504 (ASM_OUTPUT_DESTRUCTOR): Remove.
3505 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
3507 * doc/tm.texi (@node Initialization): Update.
3509 2001-08-09 Richard Henderson <rth@redhat.com>
3511 * config/alpha/crtbegin.asm (__JCR_LIST__): New.
3512 (__do_global_dtors_aux): Use gp-relative static data to avoid
3513 one dynamic relocation.
3514 (__do_frame_setup): Register Java classes.
3515 * config/alpha/crtend.asm (__JCR_END__): New.
3517 2001-08-09 Zack Weinberg <zackw@stanford.edu>
3519 * Makefile.in (HOST_CFLAGS): Take out -DGENERATOR_FILE.
3520 (CONFIG_H, TCONFIG_H, TM_P_H): Update.
3521 (GEN, STAGESTUFF): Add new files.
3522 (insn-constants.h, s-constants, tm-preds.h, s-preds,
3523 genconstants, genpreds, genconstants.o, genpreds.o): New rules.
3524 (hashtab.o, safe-ctype.o): Add -DGENERATOR_FILE.
3525 * mkconfig.sh: Include tm-preds.h in tm_p.h; insn-constants.h
3526 as well as insn-codes.h and insn-flags.h in config.h; and no
3527 extra headers in tconfig.h and hconfig.h.
3529 * gencodes.c: Eliminate code to generate predicate declarations
3530 or #defines for md-file constants.
3531 * genconstants.c, genpreds.c: New files.
3533 * i386.md: Re-order guard expressions such that TARGET_64BIT
3534 comes first, when this permits better optimization. Add
3535 TARGET_64BIT to more x86-64 patterns. Add comment explaining
3536 why this is desirable.
3538 2001-08-09 Jakub Jelinek <jakub@redhat.com>
3540 * config/ia64/fde-glibc.c: Require glibc 2.2.4+ headers.
3541 (find_fde_for_dso): Remove.
3542 (_Unwind_IteratePhdrCallback): New.
3543 (_Unwind_FindTableEntry): Use dl_iterate_phdr.
3544 * config/ia64/crtbegin.asm (__ia64_app_header): Remove.
3546 Thu Aug 9 11:30:20 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3548 * expr.c (emit_single_push_insn): Only exists ifdef PUSH_ROUNDING.
3549 (move_by_pieces_1): If would call it, abort if no PUSH_ROUNDING.
3551 2001-08-09 Graham Stott <grahams@redhat.com>
3553 * sched-vis.c (MAX_VISUAL_NO_UNIT): Define.
3554 (vis_no_unit): Use it.
3555 (visualize_no_unit): Add the insn only if room exists.
3557 2001-08-09 Graham Stott <grahams@redhat.com>
3559 * predict.c (estimate_probability): Replace magic numbers with
3560 appropriate enumeration.
3562 2001-08-09 Graham Stott <grahams@redhat.com>
3564 * cppexp.c (EXTRACT_PRIO): Uppercase and parenthsize macro
3566 (EXTRACT_FLAGS): Likewise.
3568 2001-08-09 Aldy Hernandez <aldyh@redhat.com>
3570 * config/mips/mips.c (mips_legitimate_address_p): Check for
3571 CONST_INT in last patch.
3573 2001-08-08 Anthony Green <green@redhat.com>
3575 * java/class.c (emit_register_classes): Use assemble_jcr if
3576 possible. Keep the original mechanism as a fallback.
3577 * defaults.h (JCR_SECTION_NAME): Define if we have named section
3578 and weak symbol support.
3579 * crtstuff.c (__JCR_LIST__): Define.
3580 (__JCR_END__): Define.
3581 (_Jv_RegiserClasses): Define weak symbol if possible.
3582 (__do_global_ctors_aux): Register classes for ELF targets with
3583 weak symbol support.
3585 2001-08-08 Kazu Hirata <kazu@hxi.com>
3587 * dbxout.c: Fix comment formatting.
3588 * dependence.c: Likewise.
3590 * diagnostic.c: Likewise.
3591 * dominance.c: Likewise.
3592 * doprint.c: Likewise.
3593 * dwarf2out.c: Likewise.
3594 * dwarfout.c: Likewise.
3595 * emit-rtl.c: Likewise.
3596 * except.c: Likewise.
3597 * explow.c: Likewise.
3598 * expmed.c: Likewise.
3601 * fold-const.c: Likewise.
3602 * function.c: Likewise.
3604 2001-08-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3606 * global.c (retry_global_alloc): Avoid shadowing allocno.
3608 2001-08-08 Mark Mitchell <mark@codesourcery.com>
3610 * except.c (remove_fixup_regions): Fix typo.
3612 2001-08-08 Jan van Male <jan.vanmale@fenk.wau.nl>
3614 * emit-rtl.c (adjust_address, adjust_address_nv): Cast offset to
3615 unsigned HOST_WIDE_INT to avoid warning.
3616 * final.c (final): Cast INSN_UID to unsigned to avoid warning.
3617 * flow.c (set_block_for_new_insns): Likewise.
3619 Wed Aug 8 21:08:14 CEST 2001 Jan Hubicka <jh@suse.cz>
3621 * sibcall.c (return_value_pseudo): New static variable.
3622 (skip_copy_to_return_value): Handle return_value_pseudo.
3623 (call_ends_block_p): Ensure that return_value_pseudo is set.
3624 (optimize_sibling_and_tail_recursive_call): Discover the
3625 load of pseudo return value in alternate exit block.
3627 Wed Aug 8 21:06:43 CEST 2001 Jan Hubicka <jh@suse.cz>
3629 * calls.c (ECF_ALWAYS_RETURN): New constant.
3630 (emit_call_1): Add REG_ALWAYS_RETURN note if needed.
3631 (expand_call): Use LCF_ALWAYS_RETURN for __bb_fork_func.
3632 (emit_library_call_value_1): Handle LCT_ALWAYS_RETRUN.
3633 * flow.c (need_fake_edge_p): Handle REG_ALWAYS_RETURN.
3634 * rtl.c (reg_note_name): New name.
3635 * rtl.h (enum reg_note): Add REG_ALWAYS_RETURN.
3637 2001-08-07 Aldy Hernandez <aldyh@redhat.com>
3639 * config/mips/mips.c (mips_legitimate_address_p): Limit "la" addresses.
3641 2001-08-08 Jason Merrill <jason_merrill@redhat.com>
3643 * alias.c (get_alias_set): Return a previously calculated
3644 alias set for a VAR_DECL.
3645 * function.c (gen_mem_addressof): Calculate the alias set before
3648 Wed Aug 8 18:44:37 CEST 2001 Jan Hubicka <jh@suse.cz>
3650 * predict.def: Set hitrates according our experimental run.
3652 Wed Aug 8 18:01:58 CEST 2001 Jan Hubicka <jh@suse.cz>
3654 * i386.h (HARD_REGNO_RENAME_OK): New macro.
3656 2001-08-08 H.J. Lu <hjl@gnu.org>
3658 * config/mips/mips.c (mips_unique_section): New. Copied from
3661 * config/mips/mips-protos.h (mips_unique_section): New
3664 * config/mips/elf.h (UNIQUE_SECTION): Use mips_unique_section.
3666 * config/mips/little.h: New. Generic little endian mips
3667 targets. Only mips*-*-linux* is converted to use it so far.
3669 * config/mips/linux.h: Include "gofast.h" and "mips/mips.h".
3670 (WCHAR_TYPE): Defined
3671 (WCHAR_TYPE_SIZE): Likewise.
3672 (INIT_SUBTARGET_OPTABS): Likewise.
3673 (BSS_SECTION_ASM_OP): Likewise.
3674 (SBSS_SECTION_ASM_OP): Likewise.
3675 (ASM_OUTPUT_ALIGNED_BSS): Likewise.
3676 (ASM_DECLARE_OBJECT_NAME): Likewise.
3677 (UNIQUE_SECTION): Likewise.
3678 (EXTRA_SECTIONS): Likewise.
3679 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
3680 (ASM_OUTPUT_DESTRUCTOR): Likewise.
3681 (ASM_OUTPUT_DEF): Likewise.
3682 (HANDLE_SYSV_PRAGMA): Removed.
3683 (NO_IMPLICIT_EXTERN_C): Likewise.
3684 (TARGET_MEM_FUNCTIONS): Likewise.
3685 (STARTFILE_SPEC): Likewise.
3686 (ENDFILE_SPEC): Likewise.
3687 (LIB_SPEC): Likewise.
3688 (INVOKE__main): Likewise.
3689 (CTOR_LIST_BEGIN): Likewise.
3690 (CTOR_LIST_END): Likewise.
3691 (DTOR_LIST_BEGIN): Likewise.
3692 (DTOR_LIST_END): Likewise.
3693 (SET_ASM_OP): Likewise.
3694 (ASM_OUTPUT_SOURCE_LINE): Likewise.
3695 (ASM_OUTPUT_DEF): Likewise.
3696 (ASM_OUTPUT_IDENT): Likewise.
3698 * config/mips/mips.h (ASM_SPEC): Undefine before define.
3699 (CPLUSPLUS_CPP_SPEC): Likewise.
3700 (ASM_APP_ON) Redefine only if not defined.
3701 (ASM_APP_OFF): Likewise.
3702 (ASM_OUTPUT_SOURCE_LINE): Likewise.
3703 (ASM_OUTPUT_IDENT): Likewise.
3705 * config.gcc: Update tm_file for Linux/mips.
3707 2001-08-08 Bernd Schmidt <bernds@redhat.com>
3709 * cselib.c (cselib_record_sets): If insn is predicated, turn
3710 sources into IF_THEN_ELSEs.
3712 * config/ia64/ia64.md (cond_opsi2_internal, cond_opsi2_internal_b):
3713 Turn into define_insn_and_split.
3715 * sched-deps.c: Include "cselib.h".
3716 (add_insn_mem_dependence, sched_analyze_1, sched_analyze_2):
3717 Use cselib to turn memory addresses into VALUEs.
3718 (sched_analyze): Call cselib_init/cselib_finish if necessary.
3719 * sched-int.h (struct sched_info): New member USE_CSELIB.
3720 * sched-ebb.c (ebb_sched_info): Initialize it.
3721 * sched-rgn.c (rgn_sched_info): Likewise.
3722 * Makefile.in (sched-deps.o): Update dependencies.
3724 * cselib.h (cselib_subst_to_values): Declare.
3725 * cselib.c (cselib_subst_to_values): No longer static. Allow MEMs
3726 that have no value and autoincs to be handled by generating a new
3729 2001-08-08 Graham Stott <grahams@redhat.com>
3731 * final.c (shorten_branches): Update the INSN_ADDRESSES of insns
3732 within fixed length SEQUENCE.
3734 2001-08-08 Graham Stott <grahams@redhat.com>
3736 * diagnostic.h (diagnostic_format_decoder): Parenthesize macro parameter.
3737 (diagnostic_prefixing_rule): Likewise.
3738 (diagnostic_line_cutoff): Likewise.
3739 (diagnostic_kind_count): Likewise.
3741 2001-08-08 Graham Stott <grahams@redhat.com>
3743 * alias.c (find_base_decl): Delete redundent assignment.
3745 2001-08-08 Graham Stott <grahams@redhat.com>
3747 * dependence.c (INDEX_LIMIT_CHECK): Uppercase macro parameter.
3748 (abs): Uppercase and paranthesize macro parameter.
3749 (MEM_DEPENDENCY): Add whitespace.
3751 2001-08-08 Graham Stott <grahams@redhat.com>
3753 * config/mips/mips.c (mips_legitimate_address_p): Fix enable checking
3754 failure check for CONST_INT
3756 2001-08-08 Graham Stott <grahams@redhat.com>
3758 * flow.c (back_edge_of_syntactic_loop_p): Add whitespace.
3759 (libcall_dead_p): Likewise.
3761 (mark_used_regs): Constify fmt.
3762 (find_use_as_address): Likewise.
3764 2001-08-08 Graham Stott <grahams@redhat.com>
3766 * c-typeck.c (RESTORE_SPELLING_DEPTH): Uppercase and parenthesize macro
3769 2001-08-08 Graham Stott <grahams@redhat.com>
3771 * combine.c (combine_simplify_rtx): Update comment and
3772 remove erroneous test.
3774 2001-08-07 Neil Booth <neil@daikokuya.demon.co.uk>
3776 * cppinit.c (cpp_finish): Pop the final buffer without comment.
3777 * cpplex.c (_cpp_lex_token): Don't pop the final buffer; and
3778 take care to avoid multiple no-newline at EOF warnings in that
3781 Tue Aug 7 22:18:06 CEST 2001 Jan Hubicka <jh@suse.cz>
3783 * calls.c (expand_call): Do not emit INSN_SETJMP note.
3784 (emit_library_call_value_1): Likewise.
3785 (emit_call_1): Emit REG_SETJMP note.
3786 * cse.c (cse_end_of_basic_block): Use REG_SETJMP instead
3788 * cselib.c (cselib_process_insn): Likewise.
3789 * flow.c (propagate_block): Likewise.
3790 * loop.c (find_and_verify_loops): Likewise.
3791 * reload.c (find_equiv_regs): Likewise.
3792 * reload1.c (reload): Likewise.
3793 * resource.c (mark_referenced_resources,
3794 mark_set_resources): Likewise.
3795 * sched-deps (sched_analyze_insn, sched_analyze): Likewise.
3796 * final.c (final_scan_insn): Remove NOTE_INSN_SETJMP.
3797 * haifa-sched.c (unlink_other_notes): Likewise.
3798 (reemit_notes): Likewise.
3799 * sched-ebb.c (sched_ebb): Likewise.
3800 * sched-rgc.c (sched_region): Likewise.
3801 * rtl.c (note_insn_name): Likewise.
3802 (reg_note_name): Add REG_SETJMP
3803 * rtl.h (reg_note): Add REG_SETJMP.
3804 (insn_note): Remove NOTE_INSN_SETJMP.
3806 * profile.c (branch_prob): Add fake edges for setjmp.
3808 2001-08-07 Daniel Jacobowitz <drow@mvista.com>
3810 * config.gcc: Quote target_cpu_default2 correctly for
3811 powerpc*-*-* targets.
3813 2001-08-07 Neil Booth <neil@daikokuya.demon.co.uk>
3815 * cpplib.h, line-map.h: Update comments.
3816 * cppmain.c (printer_init): Move inline.
3817 (maybe_print_line, print_line): Take a map pointer.
3818 (cb_ident, cb_define, cb_undef, cb_include, cb_def_pragma): Update.
3819 (cb_file_change): Don't use prior value of print.map.
3821 2001-08-07 David Edelsohn <edelsohn@gnu.org>
3823 * doc/install.texi: Document fine-grained multilib configuration.
3825 Tue Aug 7 16:52:54 CEST 2001 Jan Hubicka <jh@suse.cz>
3827 * rtlanal.c (find_first_parameter_load): Call note_stores
3828 only on the instructions.
3830 Tue Aug 7 14:56:16 CEST 2001 Jan Hubicka <jh@suse.cz>
3832 * alias.c (nonlocal_mentioned_p):
3833 Rename CONST_CALL_P to CONST_OR_PURE_CALL_P
3834 * calls.c (emit_call_1): Likewise.
3835 * cse.c (cse_insn, invalidate_skipped_block): Likewise.
3836 * cselib.c (cselib_process_insn): Likewise.
3837 * df.c (df_insns_modify): Likewise.
3838 * flow.c (need_fake_edge_p): Likewise.
3839 (propagate_one_insn): Likewise.
3840 * haifa-sched.c (reemit_notes): Likewise.
3841 * integrate.c (copy_insn_list): Likewise.
3842 * jump.c (delete_prior_computation): Likewise.
3843 * local-alloc.c (validate_equiv_mem): Likewise.
3844 * loop.c (scan_loop): Likewise.
3845 * predict.c (estimate_probability): Likewise.
3846 * reload.c (reload): Likewise.
3847 * sched-deps (sched_analyze): Likewise.
3848 * rtl.h (CONST_CALL_P): rename to CONST_OR_PURE_CALL_P.
3849 * gcse.c (compute_hash_table): Likewise.
3850 (mark_call): Likewise.
3851 (store_killed_in_insn): Likewise.
3853 2001-08-07 Jason Merrill <jason_merrill@redhat.com>
3855 * c-semantics.c (make_rtl_for_local_static): Use DECL_RTL_SET_P.
3857 2001-08-06 Richard Henderson <rth@redhat.com>
3859 * varasm.c (assemble_gc_entry): Remove.
3860 * output.h: Likewise.
3862 2001-08-06 Richard Henderson <rth@redhat.com>
3864 * varasm.c (assemble_constructor): Take a symbol_ref and a
3865 priority instead of a bare string. Move priority handling
3866 here from cp/decl2.c.
3867 * output.h: Update decls.
3869 * c-decl.c (c_expand_body): Update calls to assemble_constructor
3870 and assemble_destructor.
3871 * profile.c (output_func_start_profiler): Likewise.
3872 * objc/objc-act.c (finish_objc): Likewise.
3873 (build_module_descriptor): Return the symbol not the symbol name.
3875 2001-08-06 David Edelsohn <edelsohn@gnu.org>
3877 * config/rs6000/darwin.h (DOUBLE_INT_ASM_OP): Add whitespace.
3878 * config/rs6000/linux64.h (RS6000_MCOUNT): Define.
3879 ({SAVE,RESTORE}_FP_{PREFFIX,SUFFIX}): Define.
3880 * config/rs6000/rs6000.h (ASM_OUTPUT_DOUBLE_INT): Remove whitespace.
3881 * config/rs6000/sysv4.h (DOUBLE_INT_ASM_OP): Add whitespace.
3882 * config/rs6000/xcoff.h (DOUBLE_INT_ASM_OP): Add whitespace.
3884 2001-08-06 Neil Booth <neil@daikokuya.demon.co.uk>
3886 * cpperror.c (print_containing_files): Moved to line-map.c.
3887 (print_location): line-map.c handles re-listing or otherwise.
3888 * cpphash.h (struct lexer_state): Remove next_bol.
3889 (struct cpp_buffer): Remove include_stack_listed.
3890 * cpplib.c (do_line, cpp_push_buffer, _cpp_pop_buffer):
3891 Remove faked buffer handling.
3892 (_cpp_do_file_change): Tweak.
3893 * cpplib.h (enum cpp_buffer_type): Remove BUF_FAKE.
3894 * cppmain.c (struct printer): Remove filename.
3895 (print_line, cb_file_change): Update accordingly.
3896 * line-map.c: Include intl.h.
3897 (init_line_maps): Initialize last_listed.
3898 (free_line_maps): Sanity check, warn if ENABLED_CHECKING.
3899 (add_line_map): Sanity check inputs, warn if ENABLED_CHECKING.
3900 (print_containing_files): New.
3901 * line-map.h (struct line_maps): New member last_listed.
3902 (print_containing_files, INCLUDED_FROM): New.
3903 * Makefile.in: Update.
3904 * po/POTFILES.in: Add line-map.c.
3906 2001-08-06 Richard Henderson <rth@redhat.com>
3908 * except.c (convert_from_eh_region_ranges_1): Never mark
3909 USE or CLOBBER insns as throwing.
3911 * expr.c (store_constructor): Don't clobber memory targets.
3913 2001-08-06 Andreas Jaeger <aj@suse.de>
3915 * profile.c (branch_prob): Remove unused variable insn.
3917 * Makefile.in (local-alloc.o): Add dependency on except.h.
3919 * local-alloc.c: Include except.h for can_throw_internal prototype.
3921 2001-08-06 Richard Henderson <rth@redhat.com>
3923 * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
3924 * function.c (expand_main_function): Implement it.
3925 * doc/tm.texi: Document it.
3927 2001-08-06 Stan Shebs <shebs@apple.com>
3929 * doc/install.texi: Document powerpc-*-darwin* details.
3931 2001-08-06 Daniel Berlin <dan@cgsoftware.com>
3933 * config/rs6000/aix.h (CPP_CPU_SPEC): Move back to rs6000.h
3934 (ASM_CPU_SPEC): Move back to rs6000.h
3935 #undef CPP_DEFAULT_SPEC and ASM_DEFAULT_SPEC before redefining them.
3937 * config/rs6000/darwin.h (DOUBLE_INT_ASM_OP): New macro.
3939 * config/rs6000/linux.h: Remove vtable thunks stuff we accidently
3942 * config/rs6000/linux64.h: Ditto.
3944 * config/rs6000/rs6000.h: Move CPP_CPU_SPEC and ASM_CPU_SPEC back
3945 to here. Define default ASM_DEFAULT_SPEC and CPP_DEFAULT SPEC to
3948 Remove accidently readded definitions of FUNCTION_PROLOGUE,
3949 FUNCTION_EPILOGUE, ASM_OPEN_PAREN, ASM_CLOSE_PAREN
3951 * config/rs6000/sysv4.h: Move CPP_CPU_SPEC and ASM_CPU_SPEC back
3954 2001-08-05 Richard Henderson <rth@redhat.com>
3956 * local-alloc.c (update_equiv_regs): Do not move insns that
3959 2001-08-05 Jan Hubicka <jh@suse.cz>
3961 * Makefile.in (reload1.o): Add dedendancy on except.h
3962 * basic-block.h (purge_all_dead_edges, purge_dead_edges): Update
3964 * flow.c (purge_dead_edges, purge_all_dead_edges): Return bool
3965 indicating wehther edges has been cleaned up.
3966 * reload1.c: Inlucde except.h
3967 (fixup_abnormal_edges): Accept deleted insns.
3968 * toplev.c (rest_of_compilation): Purge dead edges unconditionally
3971 2001-08-06 Neil Booth <neil@daikokuya.demon.co.uk>
3973 * cpplib.c (do_line): Correct line number after pop_buffer.
3975 2001-08-05 Neil Booth <neil@daikokuya.demon.co.uk>
3977 PR preprocessor/3824
3978 * line-map.c: Update comments.
3979 * line-map.h: Update comments.
3980 * tradcif.y: Don't consider large numbers unsigned.
3982 2001-08-05 Neil Booth <neil@daikokuya.demon.co.uk>
3984 PR preprocessor/3081
3985 * c-lex.c (map): New.
3986 (cb_file_change): Update map and use it.
3987 (cb_def_pragma, cb_define, cb_undef): Use map and line.
3988 (c_lex): Update to use map.
3989 * cpperror.c (print_location): Move to using logical line numbers.
3990 * cppfiles.c (stack_include_file): Update for new _cpp_do_file_change.
3991 (cpp_make_system_header): Similarly.
3992 (_cpp_execute_include): Stop line numbering hacks. Store the
3993 line we will return to.
3994 * cpphash.h (CPP_BUF_LINE): Remove.
3995 (struct cpp_buffer): Remove lineno and pseudo_newlines.
3996 Add map and return_to_line.
3997 (_cpp_do_file_change): Update.
3998 * cppinit.c (cpp_start_read): Update line kludge.
3999 * cpplex.c (handle_newline): Don't update lineno and pseudo_newlines.
4000 (trigraph_ok): Use logical line numbers for diagnostics.
4001 (skip_block_comment): Likewise.
4002 (skip_whitespace): Likewise.
4003 (skip_line_comment): Use pfile->line instead.
4004 (_cpp_lex_token): Update to use logical line numbering exclusively.
4005 Handle BOL locally. Accept new lines in directives, but keep
4006 pfile->line decremented. Diagnostics use logical lines. Update
4008 * cpplib.c (SEEN_EOL): New.
4009 (skip_rest_of_line, check_eol): Use it.
4010 (end_directive): Increase line number when accepting the newline
4011 at the end of a directive.
4012 (run_directive): Simplify.
4013 (do_line): Bad LC_LEAVEs become LC_RENAMEs. Update.
4014 (_cpp_do_file_change): Update to take buffer line number as an
4015 argument, and store the current map in the cpp_reader. Remove
4016 line number kludges.
4017 (_cpp_do__Pragma): Restore output position after a _Pragma.
4018 (cpp_push_buffer): Don't set output line or lineno.
4019 (_cpp_pop_buffer): Transfer more info from a faked buffer.
4020 Remove line kludge. Set output_line.
4021 * cppmacro.c (builtin_macro): Update handling of __LINE__.
4022 (parse_arg): Use logical lines.
4023 (save_lookahead_token): Save EOFs too now.
4024 * cppmain.c (struct printer): Fix comments.
4025 (printer_init): Simplify, let caller do errors.
4026 (scan_translation_unit, check_multiline_token, dump_macro): Update.
4027 (maybe_print_line): Simplify.
4028 (print_line): Don't print a linemarker if -P.
4029 (cb_define, cb_undef, cb_def_pragma, cb_ident, cb_include): Update.
4030 (cb_file_change): Simplify.
4031 * line-map.h (LAST_SOURCE_LINE): Fix.
4032 (CURRENT_LINE_MAP): New.
4034 2001-08-05 Bernd Schmidt <bernds@redhat.com>
4036 * doloop.c (doloop_modify_runtime): Properly compute number of
4037 iterations if loop was unrolled.
4039 * alias.c (rtx_equal_for_memref_p): VALUEs are only identical
4040 if their CSELIB_VAL_PTRs are.
4042 * config/ia64/ia64.c (struct spill_fill_data): New member prev_insn.
4043 (setup_spill_pointers): Initialize it.
4044 (spill_restore_mem): Set it.
4045 (do_spill, do_restore): Use it to add REG_INC note.
4046 * config/ia64/ia64.md (movti_internal): Add REG_INC notes as needed.
4048 * config/ia64/ia64.c (ia64_sched_reorder): Defer scheduling of
4049 asms if other insns are available.
4051 * config/ia64/ia64.c (condop_operator): New predicate.
4052 * config/ia64/ia64.h (PREDICATE_CODES): Add it.
4053 * config/ia64/ia64.md (cond_opsi2_internal and splitters): New
4056 * expr.c (expand_expr, case COND_EXPR): Prefer working with a
4057 temporary register than directly using a MEM.
4059 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
4061 * config/sh/sh.c (sh_asm_named_section): Fix typo in align
4062 parameter in last change.
4064 2001-08-04 Zack Weinberg <zackw@panix.com>
4066 * sparc.md: Don't use #if inside C test expression.
4068 2001-08-04 Richard Henderson <rth@redhat.com>
4070 * i386.c: Revert 07-30 ix86_output_main_function_alignment_hack.
4072 2001-08-04 Neil Booth <neil@daikokuya.demon.co.uk>
4074 * cpphash.h (struct cpp_reader): New member directive_line.
4075 * cpplib.h (struct cpp_callbacks): Update prototypes of callbacks.
4076 * cpplib.c (do_define, do_undef, do_ident, do_include_common,
4077 do_pragma): Pass line to callbacks.
4078 (start_directive): Record line of directive.
4079 * cppmain.c (cb_ident, cb_define, cb_undef, cb_def_pragma,
4080 cb_include): Similarly.
4081 * c-lex.c (cb_ident, cb_define, cb_undef, cb_def_pragma):
4084 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
4086 * config/d30v/d30v.h: Fix typo in start of UNIQUE_SECTION
4089 Sat Aug 4 13:51:36 CEST 2001 Jan Hubicka <jh@suse.cz>
4091 * loop.c (try_copy_prop); Kill invalidated REG_EQUAL notes.
4093 * reload1.c (fixup_abnormal_edges): New static function.
4096 * flow.c (need_fake_edge_p): New function.
4097 (flow_call_edges_add): Fix handling of noreturn and sibbling calls;
4098 avoid call insn to be very last insn in the insn stream.
4100 * profile.c (branch_prob): Call flow_call_edges_add instead of
4101 doing that by hand; cleanup cfg to re-merge basic blocks once
4104 2001-08-04 Neil Booth <neil@cat.daikokuya.demon.co.uk>
4106 * Makefile.in (CPPLIB_H): New, so that dependencies on cpplib.h
4107 are also on line-map.h.
4108 * cppfiles.c (stack_include_file): Update.
4109 * cpphash.h (struct cpp_buffer): New member return_at_eof.
4110 (_cpp_pop_buffer): New.
4111 * cppinit.c (cpp_destroy, cpp_finish): Update.
4112 (do_includes): Mark each buffer to return at EOF.
4113 * cpplex.c (_cpp_lex_token): Pop buffers at EOF. Continue or
4114 return as requested.
4115 * cpplib.c (run_directive, do_line, cpp_push_buffer): Update.
4116 (cpp_pop_buffer): Rename _cpp_pop_buffer. Stop skipping.
4117 * cpplib.h (cpp_pop_buffer): Remove.
4118 (cpp_scan_buffer_nooutput): Rename cpp_scan_nooutput.
4119 * cppmacro.c (cpp_scan_buffer_nooutput): Similarly. No need to pop
4121 * cppmain.c (scan_buffer): Rename scan_translation_unit. No need
4123 (do_preprocessing): Update.
4124 * fix-header.c (read_scan_file): Update. No need to pop buffers.
4125 * c-parse.in (_yylex): Similarly.
4126 * scan-decls.c (scan_decls): Similarly.
4127 * line-map.h: Update comments.
4129 * objc/Make-lang.in (objc-act.o): Update dependencies.
4131 2001-08-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4133 * config/m68hc11/m68hc11.md ("cmphi_1", "cmpqi_1"): Allow memory
4134 and soft register for operand 0.
4135 ("cmphi_z_used", "cmpqi_z_used"): Allow memory for operand 0.
4137 2001-08-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4139 * config/m68hc11/m68hc11.md ("bitcmpqi"): Allow memory and soft
4140 register for operand 0.
4141 ("bitcmpqi_z_used"): Allow memory for operand 0.
4142 (split "bitcmpqi"): New split to handle address reg as operand 1.
4144 2001-08-04 Andreas Jaeger <aj@suse.de>
4146 * gcse.c: Revert Daniel's last patch.
4148 2001-08-03 Zack Weinberg <zackw@stanford.edu>
4150 * sparc-protos.h: Add prototypes for fp_zero_operand and
4152 * sh-protos.h: Add prototype for fpul_operand.
4154 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
4156 * doc/extend.texi (Other Builtins): Fix typo in last change.
4158 2001-08-03 Richard Henderson <rth@redhat.com>
4160 * target.h (gcc_target): Add asm_out.named_section,
4161 section_type_flags, have_named_sections.
4162 * target-def.h (TARGET_ASM_NAMED_SECTION): New.
4163 (TARGET_HAVE_NAMED_SECTIONS): New.
4164 (TARGET_SECTION_TYPE_FLAGS): New.
4166 * Makefile.in (toplev.o): Depend on TARGET_H.
4167 (varasm.o, dbxout.o): Likewise.
4168 * c-common.c (decl_attributes): Check targetm.have_named_sections
4169 instead of ifdef ASM_OUTPUT_SECTION_NAME.
4170 * dbxout.c (dbxout_function_decl): Likewise.
4171 (dbxout_function_end): Likewise.
4172 * toplev.c (compile_file): Likewise.
4173 * varasm.c (exception_section): Likewise.
4174 * cp/decl2.c (finish_objects): Likewise.
4176 * defaults.h (EH_FRAME_SECTION): Remove.
4177 (EH_FRAME_SECTION_ASM_OP): Remove.
4178 (EH_FRAME_SECTION_NAME): New.
4179 (UNIQUE_SECTION): Don't depend on ASM_OUTPUT_SECTION_NAME.
4180 (UNIQUE_SECTION_P): Remove.
4181 * dwarf2out.c (SECTION_FORMAT): Remove.
4182 (ASM_OUTPUT_SECTION): Remove.
4183 (output_call_frame_info): Use named_section_flags.
4184 (output_comp_unit, dwarf2out_start_source_file): Likewise.
4185 (dwarf2out_end_source_file, dwarf2out_define): Likewise.
4186 (dwarf2out_undef, dwarf2out_init, dwarf2out_finish): Likewise.
4187 * varasm.c (in_eh_frame, eh_frame_section): Remove.
4188 (named_section_flags): New.
4189 (named_section): Use it and targetm.section_type_flags.
4190 (resolve_unique_section): New.
4191 (assemble_start_function): Use it.
4192 (asm_emit_uninitialised, assemble_variable): Likewise.
4193 (default_section_type_flags): New.
4194 (default_no_named_section, default_elf_asm_named_section): New.
4195 (default_coff_asm_named_section, default_pe_asm_named_section): New.
4196 * output.h: Update varasm.c decls.
4197 (SECTION_*): New flags.
4199 * crtstuff.c: Check EH_FRAME_SECTION_NAME not EH_FRAME_SECTION_ASM_OP.
4200 (__EH_FRAME_BEGIN__, __FRAME_END__): Use attribute section.
4202 * config/elfos.h (UNIQUE_SECTION_P): Remove.
4203 * config/alpha/elf.h, config/arm/linux-elf.h: Likewise.
4204 * config/arm/pe.h, config/arm/unknown-elf.h: Likewise.
4205 * config/i386/cygwin.h, config/i386/djgpp.h: Likewise.
4206 * config/i386/i386-interix.h, config/i386/win32.h: Likewise.
4207 * config/ia64/sysv4.h, config/mcore/mcore-pe.h: Likewise.
4208 * config/mips/elf.h, config/mips/elf64.h: Likewise.
4209 * config/mips/iris6gld.h, config/mips/mips.h: Likewise.
4210 * config/pa/pa64-hpux.h,
4212 * config/elfos.h (ASM_OUTPUT_SECTION_NAME): Remove.
4213 (TARGET_ASM_NAMED_SECTION): New.
4214 * config/psos.h, config/a29k/a29k.h, config/alpha/elf.h: Likewise.
4215 * config/alpha/vms.h, config/arm/coff.h: Likewise.
4216 * config/arm/conix-elf.h, config/arm/elf.h: Likewise.
4217 * config/arm/linux-elf.h, config/arm/pe.h: Likewise.
4218 * config/arm/unknown-elf.h, config/avr/avr.h: Likewise.
4219 * config/c4x/c4x.h, config/h8300/h8300.h: Likewise.
4220 * config/i386/cygwin.h, config/i386/djgpp.h: Likewise.
4221 * config/i386/i386-interix.h, config/i386/i386elf.h : Likewise.
4222 * config/i386/sco5.h, config/i386/win32.h: Likewise.
4223 * config/m68k/coff.h, config/mcore/mcore-pe.h: Likewise.
4224 * config/mcore/mcore.h, config/mips/elf.h: Likewise.
4225 * config/mips/elf64.h, config/mips/iris6.h: Likewise.
4226 * config/mips/netbsd.h, config/mips/openbsd.h: Likewise.
4227 * config/pa/pa64-hpux.h, config/rs6000/sysv4.h: Likewise.
4228 * config/rs6000/xcoff.h, config/sh/sh.h: Likewise.
4229 * config/sparc/sysv4.h: Likewise.
4231 * config/nextstep.h: Error until named sections implemented.
4233 * config/a29k/a29k.c (a29k_asm_named_section): New.
4234 * config/alpha/alpha.c (SECTION_VMS_OVERLAY): New.
4235 (vms_section_type_flags, vms_asm_named_section): New.
4236 * config/arm/arm.c (arm_elf_asm_named_section): New.
4237 * config/avr/avr.c (asm_output_section_name): Remove.
4238 * config/avr/avr-protos.h: Update.
4239 * config/c4x/c4x.c (c4x_asm_named_section): New.
4240 * config/h8300/h8300.c (h8300_asm_named_section): New.
4241 * config/i386/i386.c (sco_asm_named_section): New.
4242 * config/i386/winnt.c (SECTION_PE_SHARED): New.
4243 (i386_pe_section_type_flags): New.
4244 (i386_pe_asm_named_section): New.
4245 * config/i386/i386-protos.h: Update.
4246 * config/m68k/m68k.c (m68k_coff_asm_named_section): New.
4247 * config/mcore/mcore.c (mcore_asm_named_section): New.
4248 * config/mips/mips.c (iris6_asm_named_section): New.
4249 * config/mips/mips.h (ENCODE_SECTION_INFO): Use DECL_ONE_ONLY
4250 instead of UNIQUE_SECTION_P.
4251 * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): New.
4252 (xcoff_asm_named_section): New.
4253 * config/sh/sh.c (sh_asm_named_section): New.
4254 * config/sparc/sparc.c (sparc_elf_asm_named_section): New.
4256 * config/i386/djgpp.h (EH_FRAME_SECTION_ASM_OP): Remove.
4257 * config/i386/sco5.h (EH_FRAME_SECTION_ASM_OP*): Remove.
4258 (EH_FRAME_SECTION_NAME): New.
4259 (EXCEPTION_SECTION): New.
4260 * config/ia64/ia64.h (EH_FRAME_SECTION_ASM_OP): Remove.
4261 (DEBUG_*_SECTION): Remove.
4262 * config/m68k/rtemself.h (EH_FRAME_SECTION_ASM_OP): Remove.
4263 * config/mips/iris6.h (DEBUG_*_SECTION): Remove.
4264 (EH_FRAME_SECTION_ASM_OP): Remove.
4266 * doc/tm.texi (UNIQUE_SECTION_P): Remove.
4267 (ASM_OUTPUT_SECTION_NAME): Remove.
4268 (TARGET_ASM_NAMED_SECTION): New.
4269 (TARGET_HAVE_NAMED_SECTIONS): New.
4270 (TARGET_SECTION_TYPE_FLAGS): New.
4271 (EH_FRAME_SECTION_ASM_OP): Remove.
4272 (EH_FRAME_SECTION_NAME): New.
4274 2001-08-03 Zack Weinberg <zackw@stanford.edu>
4276 * builtins.c (fold_builtin_constant_p): Return integer_zero_node
4277 for complex expressions when cfun == 0.
4278 * doc/extend.texi: Document that __builtin_constant_p can be
4279 used in data initializers as well as functions.
4281 2001-08-03 Alexandre Oliva <aoliva@redhat.com>
4283 * config/mn10300/mn10300.h (CONDITIONAL_REGISTER_USAGE): Declare
4284 variable I locally, instead of expecting a declaration in the
4287 2001-08-03 Richard Henderson <rth@redhat.com>
4289 * except.c (collect_one_action_chain): Add an explicit cleanup
4290 action if regions surrounding a catch were encoded entirely
4291 within the call-site entry.
4293 2001-08-03 Richard Henderson <rth@redhat.com>
4295 * dbxout.c (dbxout_symbol_location): Flatten subregs first;
4296 don't take REGNO of a non-register.
4298 2001-08-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
4300 * gthr-dce.h (__GTHREAD_MUTEX_INIT_FUNCTION and
4301 __GTHREAD_MUTEX_INIT_DEFAULT): New macros for mutex initialization.
4302 (__gthread_key_delete): Remove code for __PTHREAD_LIBRARY_VERSION_1 >= 1
4303 (__gthread_mutex_init_function): New function for mutex initialization.
4305 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
4307 * Makefile.in: Revert screwed up commit.
4309 2001-08-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4311 * config/m68hc11/t-m68hc11-gas (T_CPPFLAGS): Add _ctor and _dtor.
4312 * config/m68hc11/larith.asm (_exit): Split in several sub-sections
4313 merged by linker script to get a final _exit().
4314 (__do_global_dtors): New for destructor handling in specific exit
4316 (__do_global_ctors): New for constructors in specific install section.
4317 (__map_data_section): Map data sections before running constructors.
4318 * config/m68hc11/m68hc11.h (INT_ASM_OP): Define to use .word.
4319 (CTORS_SECTION_ASM_OP): Define to put in readonly section.
4320 (DTORS_SECTION_ASM_OP): Likewise.
4321 (CTORS_SECTION_FUNCTION): Define to force a reference to
4323 (DTORS_SECTION_FUNCTION): Likewise for __do_global_dtors.
4325 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
4327 * ChangeLog: Fix date on previous ChangeLog entry for GCSE.
4329 * Makefile.in: Add df.h to gcse.c dependencies.
4331 2001-08-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
4333 * varasm.c (output_constant_def_contents): Use for the length of a
4334 string constant either its TREE_STRING_LENGTH or its int_size_in_bytes
4335 depending on which is larger.
4337 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
4339 * gcse.c: Include df.h for use as a dataflow analyzer.
4341 Declaration of reg_set_info: gone.
4342 New df_analyzer variable used by store motion.
4343 (reg_set_info): Deleted.
4344 (mark_mem_regs): New function, analyze regs used by a mem.
4345 (store_ops_ok): Use dataflow analyzer results to determine if
4346 necessary regs are changed in the block.
4347 (find_moveable_store): Remove check for symbol ref, we can handle
4348 much more complex expressions now.
4349 (compute_store_table): Remove most of the code, it's unnecessary
4350 now that the dataflow analyzer records the info for us.
4351 (store_killed_after): Add parameter to say whether to do the
4352 store_ops_okay test, used to speed up testing when we already know
4353 the answer, and just want to know if the store itself was killed.
4354 (build_store_vector): Largely rewritten to calculate the various
4355 vectors properly, and somewhat optimized.
4356 (store_motion): Init the df_analyzer, get REG_DEF chains.
4357 Also handle trapping expressions (since mems almost always trap)
4358 (simple_mem): Redefine what a simple mem is.
4360 2001-08-03 DJ Delorie <dj@redhat.com>
4362 * ifcvt.c (noce_get_alt_condition): Don't make an auxiliary
4363 set from a constant part of the condition.
4365 2001-08-01 Andrew Cagney <ac131313@redhat.com>
4367 * mkdeps.c (deps_add_default_target): Make local variable
4368 ``start'' a const char pointer.
4369 * dwarf2out.c (compute_section_prefix): Localize use of ``p''.
4371 2001-08-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4373 * doc/install.texi (Configuration): Fix markup.
4374 (Specific, i?86-*-udk): Likewise.
4375 (Specific, alpha*-dec-osf*): Warn against --with-gnu-as,
4377 Document --enable-threads and --enable-libgcj status.
4378 (Specific, mips-sgi-irix*): Canonicalize triples.
4379 (Specific, mips-sgi-irix5): Warn about problems with this config.
4380 Mention required GNU as patch.
4381 Native assembler problems are fixed.
4382 (Specific, mips-sgi-irix6): Update O32 ABI support status.
4383 Document --enable-threads and --enable-libgcj status.
4385 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
4387 * Makefile.in, mklibgcc.in: Restore changes with fixed invocation
4390 2001-08-03 Richard Henderson <rth@redhat.com>
4392 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Don't write to
4395 2001-08-03 Richard Henderson <rth@redhat.com>
4397 * rtlanal.c (find_first_parameter_load): Stop if we
4398 reach a CODE_LABEL at BOUNDARY.
4400 2001-08-03 Richard Henderson <rth@redhat.com>
4402 * config/alpha/alpha.md (force_movdi): New insn.
4403 * config/alpha/alpha.c (alpha_expand_prologue): Use it.
4404 Tweek FRP marking of VMS prologue insns.
4405 * config/alpha/vms.h (EPILOGUE_USES): New.
4407 2001-08-02 Richard Henderson <rth@redhat.com>
4409 * Makefile.in, mklibgcc.in: Revert mkinstalldirs change.
4411 2001-08-02 Lars Brinkhoff <lars@nocrew.org>
4413 * combine.c, config.gcc, cse.c, defaults.h, real.c, reload.c,
4414 simplify-rtx.c, config/alpha/alpha.h, config/avr/avr.h,
4415 config/convex/convex.h, config/d30v/d30v.c,
4416 config/d30v/d30v.h, config/dsp16xx/dsp16xx.h,
4417 config/elxsi/elxsi.h, config/fr30/fr30.h, config/m88k/m88k.c,
4418 config/mips/mips.h, config/mn10200/mn10200.h,
4419 config/mn10300/mn10300.h, config/pdp11/pdp11.md,
4420 config/v850/v850.h, config/vax/openbsd.h,
4421 config/vax/openbsd1.h, config/vax/ultrix.h,
4422 config/vax/vax-protos.h, config/vax/vax.c, config/vax/vax.h,
4423 config/vax/vax.md, config/vax/vaxv.h, config/vax/xm-vms.h,
4424 cp/decl2.c, doc/contrib.texi, doc/cpp.texi, doc/gcc.texi,
4425 doc/install.texi, doc/invoke.texi, doc/md.texi, doc/rtl.texi,
4426 doc/tm.texi: consistently use "VAX", "VAXen", and "MicroVAX"
4427 in comments and documentation.
4429 2001-08-03 Neil Booth <neil@cat.daikokuya.demon.co.uk>
4433 * Makefile.in (line-map.o): New.
4434 (LIBCPP_OBJS, LIBCPP_DEPS): Update.
4435 * c-lex.c (cb_file_change): Update for new cpp_file_change structure.
4436 * cpperror.c (print_containing_files): Similarly.
4437 (print_location): Update. Don't output a space before _Pragma.
4438 * cppfiles.c (stack_include_file): Set to line 1 immediately.
4439 (stack_include_filee, cpp_make_system_header): Update.
4440 (_cpp_execute_include): Get logical line number right for calling
4441 as-yet-unterminated #include.
4442 * cpphash.h (struct cpp_reader): Add line_maps.
4443 (_cpp_do_file_change): Update.
4444 * cppinit.c (cpp_create_reader): Initialize line maps.
4445 (cpp_destroy): Destroy line maps.
4446 (cpp_start_read): Get logical line number right.
4447 * cpplex.c (parse_string): Only warn once for multi-line strings.
4448 Use boolean variable for null warning.
4449 * cpplib.c (_cpp_handle_directive): End the directive if it isn't
4451 (do_include_common): End the directive early.
4452 (do_line): Don't warn about out-of-range lines in preprocessed
4453 source. Update. Remove unused variables.
4454 (_cpp_do_file_change): Update for new line mapping.
4455 (pragma_cb): New typedef.
4456 (cpp_register_pragma): Stop looking ahead before calling the
4458 (do_pragma_system_header): End directive early.
4459 (cpp_get_line_maps): New.
4460 (cpp_pop_buffer): Fudge logical line. Update.
4461 * cpplib.h: Include line-map.h
4462 (enum cpp_fc_reason): Remove.
4463 (struct cpp_file_change): Update.
4464 (cpp_get_line_maps): New.
4465 * cppmain.c (struct_printer): New member map.
4466 (cb_file_change): Update for new mappings.
4467 * fix-header.c (cb_file_change): Similarly.
4469 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
4471 * Makefile.in (libgcc.mk): Define mkinstalldirs.
4472 * mklibgcc.in: Use mkinstalldirs instead of mkdir.
4474 2001-08-02 Lars Brinkhoff <lars@nocrew.org>
4476 * config/vax/vax.c: include expr.h.
4478 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
4480 * Makefile.in ($(srcdir)/configure): Only rebuild in
4482 ($(srcdir)/config.in): Only define in maintainer mode.
4483 ($(srcdir)/cstamp-h.in): Only define in maintainer mode.
4485 2001-08-02 David Edelsohn <edelsohn@gnu.org>
4487 * doc/install.texi (Install GCC: Binaries): Update Bull info.
4489 2001-08-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4491 * gcc.c (set_collect_gcc_options): New function, split out from
4493 Ignore elided switches.
4494 (do_spec_1): Invoke before executing command.
4495 (set_input): Export.
4496 Move declaration ...
4497 * gcc.h (set_input): ... here.
4498 * config/alpha/osf.h (ASM_FINAL_SPEC): Use %U.s to refer to input
4501 2001-08-02 Nathan Sidwell <nathan@codesourcery.com>
4504 * doc/c-tree.texi (Namespaces): Remove std & -fhonor-std
4506 * doc/invoke.texi (C++ Dialect Options): Remove -fno-honor-std.
4508 2001-08-02 Richard Sandiford <rsandifo@redhat.com>
4510 * mips.md (movdicc): Make conditional on TARGET_64BIT. Likewise
4511 for the unnamed instructions it expands to.
4513 2001-08-02 Richard Henderson <rth@redhat.com>
4515 * regclass.c (call_really_used_regs): Conditionally define.
4516 (init_reg_sets_1): Don't use it if not defined.
4517 (fix_register): Similarly, don't set it.
4519 2001-08-01 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4521 * params.def (PARAM_MAX_INLINE_INSNS): Change default to 600.
4522 Correct comment that had been missed in the previous change.
4524 2001-08-01 Stan Shebs <shebs@apple.com>
4526 * config/darwin.c (machopic_stub_name): Try matching by name.
4527 (update_stubs): New function.
4528 (darwin_encode_section_info): Call it and update_non_lazy_ptrs
4531 2001-08-01 Richard Henderson <rth@redhat.com>
4533 * except.c (output_function_exception_table): Use assemble_align.
4534 * varasm.c (assemble_eh_label): Remove.
4535 (assemble_eh_align, assemble_eh_integer): Remove.
4537 2001-08-01 Robert Lipe <robertl@caldera.com>
4539 * dwarfout.c: Remove reference to README.DWARF.
4541 2001-08-01 Andrew MacLeod <amacleod@redhat.com>
4543 * regclass.c (call_really_used_regs): New array for registers which
4544 are actually used by a call.
4545 (init_reg_sets_1): Initialize regs_invalidated_by_call with the
4547 (fix_register): Set call_really_used too.
4548 * config/ia64/ia64.h (CALL_REALLY_USED_REGISTERS): Initialize.
4549 * doc/tm.texi (CALL_REALLY_USED_REGISTERS): Document.
4551 2001-08-01 Richard Henderson <rth@redhat.com>
4553 * read-rtl.c (read_name): Consider \r whitespace.
4555 2001-07-11 Andrew Cagney <ac131313@redhat.com>
4557 * config.gcc: Recognize powerpc-*-netbsd*.
4559 * doc/install.texi (Host/target specific installation notes for
4560 GCC): Mention powerpc-*-netbsd*.
4562 * config/rs6000/netbsd.h: New file.
4563 (STANDARD_STARTFILE_PREFIX, LINK_SHLIB_SPEC): Redefine.
4564 (LIB_DEFAULT_SPEC, STARTFILE_DEFAULT_SPEC): Redefine.
4565 (ENDFILE_DEFAULT_SPEC, LINK_START_DEFAULT_SPEC): Redefine.
4566 (LINK_OS_DEFAULT_SPEC, CPP_OS_DEFAULT_SPEC): Redefine.
4567 (TARGET_VERSION): Redefine.
4569 * config/rs6000/t-ppccomm (MULTILIB_MATCHES_SYSV): Recognize
4570 mcall-netbsd as a match for mcall-sysv.
4571 (EXTRA_MULTILIB_PARTS): Add ncrti$(objext) and ncrtn$(objext).
4572 (ncrti.S, ncrtn.S): New targets.
4573 ($(T)ncrti$(objext), $(T)ncrtn$(objext)): New targets.
4575 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Recognize
4576 "netbsd' as a V4 ABI.
4577 (ASM_SPEC): Check for -mcall-netbsd.
4578 (CC1_SPEC, CC1_SPEC, LINK_START_SPEC, LINK_OS_SPEC): Ditto.
4579 (CPP_ENDIAN_SPEC, CPP_SPEC, STARTFILE_SPEC): Ditto.
4580 (LIB_SPEC, ENDFILE_SPEC): Ditto.
4581 (LIB_NETBSD_SPEC, STARTFILE_NETBSD_SPEC): Define.
4582 (ENDFILE_NETBSD_SPEC, LINK_START_NETBSD_SPEC): Define.
4583 (LINK_OS_NETBSD_SPEC, CPP_OS_NETBSD_SPEC): Define.
4584 (SUBTARGET_EXTRA_SPECS): Add NetBSD specs.
4586 * doc/invoke.texi (Option Summary): Add -mcall-netbsd.
4587 (RS/6000 and PowerPC Options): Mention -mcall-netbsd.
4589 2001-08-01 Mark Kettenis <kettenis@gnu.org>
4591 * unwind-pe.h (base_of_encoded_value, read_encoded_value): Define
4592 only if NO_BASE_OF_ENCODED_VALUE isn't defined.
4593 * unwind-dw2-fde.c (NO_BASE_OF_ENCODED_VALUE): Define before
4594 including "unwind-pe.h".
4596 Wed Aug 1 20:01:42 CEST 2001 Jan Hubicka <jh@suse.cz>
4598 * rs6000.md (define_splits): Kill unused constraints.
4600 Wed Aug 1 20:02:12 CEST 2001 Graham Stott <grahams@redhat.com>
4601 Jan Hubicka <jh@suse.cz>
4603 * function.c (thread_prologue_and_epilogue_insns): Kill code
4604 dealing with non-existent CFG.
4606 2001-08-01 Kazu Hirata <kazu@hxi.com>
4608 * alias.c: Fix comment formatting.
4609 * bitmap.c: Likewise.
4610 * builtins.c: Likewise.
4611 * calls.c: Likewise.
4612 * c-common.c: Likewise.
4613 * c-decl.c: Likewise.
4614 * c-dump.c: Likewise.
4615 * c-lex.c: Likewise.
4616 * collect2.c: Likewise.
4617 * combine.c: Likewise.
4618 * conflict.c: Likewise.
4619 * cppfiles.c: Likewise.
4620 * cppinit.c: Likewise.
4621 * cpplex.c: Likewise.
4622 * cpplib.c: Likewise.
4623 * cppmacro.c: Likewise.
4624 * cppspec.c: Likewise.
4625 * c-pragma.c: Likewise.
4626 * crtstuff.c: Likewise.
4628 * cselib.c: Likewise.
4629 * c-semantics.c: Likewise.
4630 * c-typeck.c: Likewise.
4632 2001-08-01 H.J. Lu <hjl@gnu.org>
4634 * config/mips/linux.h (ASM_OUTPUT_IDENT): Defined.
4636 2001-08-01 H.J. Lu <hjl@gnu.org>
4638 * gcc/config/mips/linux.h (ASM_OUTPUT_SOURCE_LINE): Defined.
4640 2001-08-01 Ziemowit Laski <zlaski@apple.com>
4642 * c-parse.in (OBJC_NEED_RAW_IDENTIFIER): Define macro and flag for
4643 contextualizing Objective-C class name lookup by the lexer.
4644 (typespec_reserved_nonattr): Disable ObjC class name lookup after
4646 (protocoldef): Add support for forward @protocol declarations.
4647 (yylexname): Suppress ObjC class name lookup in certain contexts;
4648 re-enable after lookup is complete.
4649 (_yylex): Re-enable ObjC class name lookup when certain
4650 punctuation marks are seen.
4652 * objc/objc-act.c (check_protocol_recursively): New function used
4653 for finding circular dependencies in protocols.
4654 (objc_declare_protocols): New function for handling forward
4655 @protocol declarations.
4656 (receiver_is_class_object): Detect the case when 'self' is used
4657 inside of a class method.
4658 (build_message_expr): Issue a warning if class method is desired
4659 but instance method is found instead.
4660 (conforms_to_protocol): Streamline.
4661 (objc_comptypes): Detect the fact that 'Bar<Foo> foo' conforms to
4662 protocol Foo, even if 'Bar foo' does not.
4663 (check_protocols): Streamline.
4664 (start_protocol): Add checks for circular and duplicate protocol
4666 (encode_aggregate_within): For typedefs of structs, encode the
4668 * objc/objc-act.h (PROTOCOL_DEFINED): New tree accessor.
4669 (objc_declare_protocols): New prototype.
4671 2001-08-01 Neil Booth <neil@cat.daikokuya.demon.co.uk>
4673 * cpphash.h (struct cpp_reader): New members line, pseudo_newlines.
4674 * cpplex.c (handle_newline): Update prototype. Maintain logical
4676 (skip_escaped_newlines, skip_block_comment, parse_string):
4678 (_cpp_lex_token): Update, and store token position within the token.
4679 * cpplib.h (struct cpp_token): Add line and column entries.
4680 * cppmacro.c (replace_args): Position stringified tokens correctly.
4682 2001-08-01 Andreas Jaeger <aj@suse.de>
4684 * basic-block.h: Add prototype for last_loop_beg_note.
4686 2001-07-31 Alexandre Petit-Bianco <apbianco@redhat.com>
4688 * expr.c (safe_from_p): Use WITH_CLEANUP_EXPR_RTL instead of
4689 RTL_EXPR_RTL while handling WITH_CLEANUP_EXPR nodes. Fixed typo in
4691 (expand_expr): Use WITH_CLEANUP_EXPR_RTL instead of RTL_EXPR_RTL
4692 while handling WITH_CLEANUP_EXPR node. Use second operand calling
4693 expand_decl_cleanup.
4694 * tree.c (firt_rtl_op): The third operand of WITH_CLEANUP_EXPR is
4696 (simple_cst_equal): WITH_CLEANUP_EXPR node to use its second
4697 operand while calling simple_cst_equal.
4698 * tree.def (WITH_CLEANUP_EXPR): Switched operands: the second
4699 operand is the cleanup expression, the third is the RTL_EXPR.
4700 * tree.h (WITH_CLEANUP_EXPR_RTL): New macro.
4702 2001-07-31 Jeff Sturm <jsturm@one-point.com>
4704 * except.c (duplicate_eh_regions): Test n_array[i] for NULL.
4706 2001-07-31 matthew green <mrg@eterna.com.au>
4708 * config.gcc (i386-*-netbsdelf): New description.
4709 * config/i386/netbsd-elf.h: New file.
4711 2001-07-30 Geoffrey Keating <geoffk@redhat.com>
4713 * loop.c (check_dbra_loop): Use single_set to compute
4716 2001-07-31 Daniel Berlin <dan@cgsoftware.com>
4718 PowerPC reorg and support for powerpc64-*-linux*.
4720 Also fixes emitting of constants on 32 bit and 64 bit
4723 * config.gcc: powerpc64-*-linux* is a new target.
4724 Things that needed aix.h now also include xcoff.h
4726 * config/rs6000/rs6000.h: Split XCOFF specific stuff into
4728 Move AIX specific stuff into aix.h.
4729 (TARGET_AIX): Renamed to TARGET_XCOFF, since the AIX ABI is used
4730 with more than just XCOFF now.
4731 (SET_ASM_OP): Remove, now defined where needed.
4732 (FUNCTION_PROLOGUE): New macro definition.
4733 (FUNCTION_EPILOGUE): New macro definition.
4734 (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): New macro definition.
4736 * config/rs6000/xcoff.h: New file.
4738 * config/rs6000/linux64.h: New file.
4740 * config/rs6000/darwin.h: Copy needed AIX alignment definitions.
4742 2001-07-31 Alan Modra <amodra@bigpond.net.au>
4744 * rs6000.c (print_operand_address): Handle ELF syntax.
4745 (output_toc): Simplify. Use DOUBLE_INT_ASM_OP.
4746 * rs6000.md (load_toc_aix_di): Handle ELF syntax.
4747 * rs6000.h (ASM_OUTPUT_DOUBLE_INT, ASM_LONG): Use DOUBLE_INT_ASM_OP.
4749 2001-07-31 David Edelsohn <edelsohn@gnu.org>
4751 * rs6000.c (rs6000_override_options): Only disable
4752 flag_function_sections for XCOFF.
4753 (exact_log2_cint_operand): New predicate.
4754 (reg_or_{add,sub}_cint64_operand): New predicates.
4755 (add_operand): Compare CONST_INT with fewer function calls.
4756 (rs6000_emit_set_const, rs6000_emit_set_long_const): New functions.
4757 (print_operand, case 'p'): Ensure positive operand.
4758 (rs6000_emit_load_toc_table): No load_toc_v4_pic_di.
4759 * rs6000.h (CONST_OK_FOR_LETTER_P, case 'N'): Ensure positive value.
4760 (PREDICATE_CODES): Add new predicates.
4761 * rs6000.md (addsi3): Split 32-bit constants more correctly.
4762 (divsi3, modsi3): Ensure positive power-of-2.
4763 (adddi3): Use new predicate. Split 32-bit constants more
4764 correctly. Re-arrange splitter to handle any constant.
4765 (subdi3): Use new predicate.
4766 (divdi3, moddi3): Ensure positive power-of-2.
4767 (movdi): Use rs6000_emit_set_const.
4768 (load_toc_v4_pic_di): Delete.
4770 2001-07-31 Graham Stott <grahams@redhat.com>
4772 * function.c (pad_below): Revert 2001-07-26 patch.
4774 Tue Jul 31 15:37:35 CEST 2001 Jan Hubicka <jh@suse.cz>
4776 * reg-stack (convert_regs_1): Fix best edge condition.
4778 Tue Jul 31 15:33:27 CEST 2001 Jan Hubicka <jh@suse.cz>
4780 * jump.c (duplicate_loop_exit_test): Better test for jumps
4781 entering the loop; create loop pre_header.
4783 2001-07-31 Hartmut Penner <hpenner@de.ibm.com>
4785 * doc/install.texi: Add s390 and s390x as new targets.
4786 * doc/invoke.texi: Add documantation of S/390 and zSeries
4788 * doc/md.texi: Add documantation of S/390 and zSeries constraints.
4790 2001-07-30 Roman Zippel <zippel@linux-m68k.org>
4792 * config/m68k/m68k.md: Replace all general_operand with
4793 nonimmediate_operand for all destinations.
4794 * config/m68k/m68k.c (not_sp_operand): Likewise.
4796 Mon Jul 30 23:20:34 EDT 2001 John Wehle (john@feith.com)
4798 * flow.c (merge_blocks): Return 1 if an extra jump is inserted.
4800 2001-07-30 Richard Henderson <rth@redhat.com>
4802 * config/ia64/ia64.h (DEBUG_RANGES_SECTION): New.
4803 * config/mips/iris6.h (DEBUG_RANGES_SECTION): New.
4805 2001-07-30 Roman Zippel <zippel@linux-m68k.org>
4807 * config/m68k/m68k.h (TARGET_SWITCHES/TARGET_OPTIONS):
4808 Add missing doc strings
4809 * config/m68k/linux-aout.h (SUBTARGET_SWITCHES): Likewise
4810 * config/m68k/linux.h (SUBTARGET_SWITCHES): Likewise
4812 Mon Jul 30 22:16:08 CEST 2001 Jan Hubicka <jh@suse.cz>
4814 * i386.c (ix86_output_main_function_alignment_hack): New function.
4815 (TARGET_ASM_FUNCTION_PROLOGUE): Default to it.
4817 * flow.c (mark_dfs_back_edges): Move from loop_p ; mark back
4818 edges by EDGE_DFS_BACK flag.
4819 (dump_edge_info): Add dfs_back flag.
4820 * basic-block.h (EDGE_DFS_BACK): New constant.
4821 (mark_dfs_back_edges): Declare.
4822 * alias.c (loop_p): Remove.
4823 (mark_constant_function): Use mark_dfs_back_edges.
4825 * reg-stack.c (block_info_def): Add predecesors counter and stack_out.
4826 (reg_to_stack): Call mark_dfs_back_edges; count the predecesors.
4827 (compensate_edge): Break out from ...
4828 (convert_regs_1): ... here; do smart choosing of stack_out to copy.
4829 (convert_regs_2): Set block_done once block is really done;
4830 Do updating of the predecesors counts.
4832 * toplev.c (rest_of_compilation): Recompute block_for_insn
4833 before post-reload cfg_cleanup.
4834 * function.c (thread_prologue_epilogue_insns):
4835 Call set_block_for_new_insns when emitting prologue directly.
4837 2001-07-30 Andreas Jaeger <aj@suse.de>
4839 * jump.c: Add prototype for mark_modified_reg.
4841 * cse.c (set_live_p): Add unused attribute.
4843 * gcov.c (calculate_branch_probs): Use gcov_type to avoid
4845 (scan_for_source_files): Use long for count to avoid overflow.
4846 (output_data): Likewise.
4847 (output_data): Don't use string concatatenation to silence gcc
4850 * predict.c: Fix typos and grammar.
4852 * gcse.c (insert_insn_end_bb): Remove unused variables.
4854 Mon Jul 30 21:54:53 CEST 2001 Jan Hubicka <jh@suse.cz>
4856 * flow.c (mark_set_1): Use REG_FREQ_FROM_BB.
4857 (attempt_auto_inc): LIkewise.
4858 (mark_used_reg): Likewise.
4859 (try_pre_increment_1): Likewise.
4860 * regclass.c (regclass): Likewise.
4861 * global.c (allocno_compare): Update comment; change scaling factor.
4862 * local-alloc.c (QTY_CMP_PRI): Likewise.
4863 * regs.h (REG_FREQ_FROM_BB): New.
4864 (REG_FREQ_MAX): Likewise.
4866 2001-07-30 H.J. Lu <hjl@gnu.org>
4868 * config/mips/linux.h (CPLUSPLUS_CPP_SPEC): Add
4871 2001-07-30 H.J. Lu (hjl@gnu.org)
4873 * config/mips/linux.h (ASM_DECLARE_FUNCTION_NAME): Defined.
4874 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
4875 (FUNCTION_NAME_ALREADY_DECLARED): Likewise.
4877 2001-07-30 Nick Clifton <nickc@cambridge.redhat.com>
4879 * config/arm/t-arm-elf (MULTILIB_EXCEPTIONS): Skip -mthumb as well
4880 as -mthumb-interwork when -mcpu=arm7 is specified.
4882 Mon Jul 30 17:44:43 CEST 2001 Jan Hubicka <jh@suse.cz>
4884 * predict.def (noreturn, loop branch, loop exit): Mark as first
4887 Mon Jul 30 12:52:11 CEST 2001 Jan Hubicka <jh@suse.cz>
4889 * combine.c (try_combine): Avoid barrier after noop jumps.
4891 2001-07-29 Neil Booth <neil@cat.daikokuya.demon.co.uk>
4893 * cpphash.h (struct cpp_reader): Remove import_warning.
4894 * cpplib.c (skip_rest_of_line): Don't bother turning off
4896 (parse_include): Move include handling to...
4897 (do_include_common): ... here. Move import warning from...
4898 (do_import): ... here.
4899 (do_pragma_poison): Don't do a callback for poison identifiers.
4900 * cpplib.h (struct cpp_callbacks): Don't do poison callbacks.
4901 * cppmain.c (setup_callbacks): Similarly.
4903 Sun Jul 29 23:26:50 CEST 2001 Jan Hubicka <jh@suse.cz>
4905 * rtlanal.c (parms_set, find_first_parameter_load): Break out from...;
4906 handle multiple sets.
4907 * except.c (sjlj_mark_call_sites): .... here.
4908 * gcse.c (insert_insn_end_bb): Use find_first_parameter_load.
4910 Sun Jul 29 21:38:45 CEST 2001 Jan Hubicka <jh@suse.cz>
4912 Suggested by Richard Henderson and Richard Kenner:
4913 * combine.c (recog_for_combine): Use the fake recog
4914 only if instruction does not match.
4915 * rtl.h (NOOP_MOVE_INSN_CODE): New.
4916 * rtlanal.c (noop_move_p): Always return 1 for NOOP_MOVE_INSN_CODE.
4918 * combine.c (try_combine): Discover noop jump as direct jump.
4920 2001-07-29 Daniel Berlin <dan@cgsoftware.com>
4922 * df.c (df_rd_global_compute): Add successors to worklist, not
4924 (df_ru_global_compute): Ditto.
4926 2001-07-27 Daniel Berlin <dan@cgsoftware.com>
4928 * regclass.c (reg_scan_mark_refs): Increment REG_N_REFS when we
4929 increment REG_N_SETS.
4931 2001-07-26 Daniel Berlin <dan@cgsoftware.com>
4933 * sbitmap.h: New prototype for sbitmap_a_xor_b.
4935 * sbitmap.c (sbitmap_a_xor_b): New function.
4936 ifdef the basic block stuff on IN_GCC.
4938 2001-07-29 Neil Booth <neil@cat.daikokuya.demon.co.uk>
4940 * cppexp.c (parse_defined): Always record the macro name.
4941 (lex): Don't worry about identifiers, or special-case
4943 (_cpp_parse_expr): Figure out at the end of the routine
4944 whether we saw a valid !defined() expression.
4945 * cppfiles.c (stack_include_file): Update for mi_valid.
4946 (_cpp_pop_file_buffer): Similarly.
4947 * cpplex.c (_cpp_lex_token): Similarly.
4948 * cpphash.h (enum mi_state, enum mi_ind, mi_state,
4949 mi_if_not_defined, mi_lexed): Remove.
4951 * cpplib.c (do_if): Simplify.
4952 (do_endif, push_conditional, _cpp_handle_directive): Update
4953 for renaming of mi_state to mi_valid.
4955 * cpp.texi: Add index entries for digraphs, and add comment
4956 that C++ refers to them as alternative tokens.
4958 Sun Jul 29 18:59:13 CEST 2001 Jan Hubicka <jh@suse.cz>
4960 * basic-block.h (CLEANUP_PRE_LOOP): New.
4961 * except.c (finish_eh_generation): Update call of cleanup_cfg.
4962 * sibcall.c (optimize_sibling_calls): Likewise.
4963 * toplev.c (rest_of_compilation): Likewise.
4964 * flow.c (try_forward_edges): Take argument MODE;
4965 do not forward over loop pre-headers if CLEANUP_PRE_LOOP.
4966 (try_optimize_cfg): Update call of try_forward_edges.
4968 Sun Jul 29 18:59:56 CEST 2001 Roman Zippel <zippel@linux-m68k.org>
4969 Jan Hubicka <jh@suse.cz>
4971 * (validate_replace_rtx_1): Fix simplification of MINUS.
4973 2001-07-29 Neil Booth <neil@daikokuya.demon.co.uk>
4975 PR preprocessor/3669
4976 * cppinit.c (init_dependency_output): Turn off dump requests
4977 if sending dependencies to stdout.
4979 2001-07-28 Richard Henderson <rth@redhat.com>
4981 * flow.c (life_analysis): Elide PROP_ALLOW_CFG_CHANGES if
4984 2001-07-28 Golubev I. N. <gin@mo.msk.ru>
4986 * config/i386/sco5.h (DWARF2_DEBUGGING_INFO): Define.
4988 2001-07-28 Kazu Hirata <kazu@hxi.com>
4990 * config/h8300/h8300.h (ENCODE_SECTION_INFO): Check to see if DECL
4991 is VAR_DECL first to prevent an ICE.
4993 2001-07-28 Richard Henderson <rth@redhat.com>
4995 * varasm.c (immed_real_const_1): Don't elide special cases for
4997 (clear_const_double_mem): Clear const_tiny_rtx too.
4999 2001-07-28 Richard Henderson <rth@redhat.com>
5001 * dwarf2out.c (dw_val_class_offset): New.
5002 (struct dw_ranges_struct, dw_ranges_ref): New.
5003 (ranges_table, ranges_table_allocated): New.
5004 (ranges_table_in_use, RANGES_TABLE_INCREMENT): New.
5005 (add_AT_offset, add_ranges, output_ranges): New.
5006 (print_die, output_die): Handle dw_val_class_offset.
5007 (attr_checksum, size_of_die, value_format): Likewise.
5008 (gen_lexical_block_die): Handle non-contiguous blocks.
5009 (gen_block_die): Likewise.
5010 (dwarf2out_finish): Add a DW_AT_entry_pc to the compilation unit
5011 if needed. Dump the ranges table.
5012 * final.c (final_start_function): Remove unnecessary notes and
5013 rebuild the block tree before numbering the blocks.
5014 * function.c (reorder_blocks_0): Walk the existing block tree
5015 to unmark all blocks.
5016 (reorder_blocks_1): Create block fragments when duplicate block
5018 (reorder_fix_fragments): New.
5019 (reorder_blocks): Call it.
5020 * tree.h (BLOCK_FRAGMENT_ORIGIN, BLOCK_FRAGMENT_CHAIN): New.
5022 2001-07-28 Richard Henderson <rth@redhat.com>
5024 * emit-rtl.c (adjust_address): Make a copy of the memory address.
5026 2001-07-28 Richard Henderson <rth@redhat.com>
5028 * flow.c (add_to_mem_set_list): New function.
5029 (init_propagate_block_info): Use it.
5030 (mark_set_1): Likewise.
5031 (insn_dead_p): Canonicalize memory address for dead store
5032 comparison. Allow wider mode stores to kill narrower mode stores.
5033 (invalidate_mems_from_autoinc): Use invalidate_mems_from_set.
5034 (invalidate_mems_from_set): Don't handle MEMs.
5036 2001-07-28 Kazu Hirata <kazu@hxi.com>
5038 * config/h8300/h8300.h: Fix formatting.
5040 Sat Jul 28 23:35:22 CEST 2001 Jan Hubicka <jh@suse.cz>
5042 * basic-block.h (EDGE_FREQUENCY): New macro.
5043 * bb-reorder (fixup_reorder_chain): Set counts and frequencies
5045 * flow.c (find_sub_basic_blocks): Likewise.
5046 (try_crossjump_to_edge): Likewise; use EDGE_FREQUENCY
5047 (redirect_edge_and_branch): Use EDGE_FREQUENCY.
5049 * predict.c (DEF_PREDICTOR): New argument FLAGS.
5050 (HITRATE): New macro.
5051 (PRED_FLAG_FIRST_MATCH): New constant.
5052 (predictor_info): New field flgags.
5053 (combine_predictions_for_insn): Use DS theory to combine
5054 probabilities; set the edge probabilities when finished.
5055 (estimate_probability): Avoid duplicated matches
5056 of LOOP_BRANCH heuristics for nested loops; update comment.
5057 * predict.def: Add flags for each prediction, set probabilities
5058 according to B&L paper.
5059 * predict.h (DEF_PREDICTOR): New argument FLAGS.
5061 * profile.c (compute_branch_probabilities): Cleanup way the edge
5062 probabilities are computed and REG_BR_PROB notes are dropped; if
5063 values does not match, emit error.
5064 (init_branch_prob): Do error instead of warning when profile driven
5065 feedback is missing or corrupt.
5067 2001-07-27 DJ Delorie <dj@redhat.com>
5069 * ifcvt.c (noce_get_alt_condition): If the condition is a compare
5070 against a constant, try to adjust the compare to have the desired
5071 constant in it so that min/max optimizations happen more often.
5073 Fri Jul 27 17:53:00 CEST 2001 Jan Hubicka <jh@suse.cz>
5075 * flow.c (last_loop_beg_note): New function.
5076 (redirect_edge_and_branch): Use it.
5077 (split_edge): Likewise.
5079 * alias.c (loop_p): Avoid uninitialized memory access.
5081 * flow.c (try_forward_edges): Avoid accessing freed memory.
5083 * flow.c (backward_edge_of_syntactic_loop_p): Avoid uninitialized
5086 2001-07-26 Andrew Haley <aph@redhat.com>
5087 Joern Rennecke <amylaar@redhat.com>
5089 * config/sh/linux.h (CPP_DEFAULT_CPU_SPEC): New.
5090 (SUBTARGET_CPP_ENDIAN_SPEC): New.
5091 (SUBTARGET_CPP_SPEC): New.
5093 * config/sh/sh.h (SUBTARGET_CPP_ENDIAN_SPEC): New.
5094 (SUBTARGET_CPP_PTR_SPEC): New.
5095 (CPP_DEFAULT_CPU_SPEC): New.
5096 (EXTRA_SPECS): Add SUBTARGET_CPP_ENDIAN_SPEC,
5097 SUBTARGET_CPP_PTR_SPEC, and CPP_DEFAULT_CPU_SPEC.
5098 (CPP_SPEC): Break out parts into SUBTARGET_CPP_ENDIAN_SPEC,
5099 SUBTARGET_CPP_PTR_SPEC, and CPP_DEFAULT_CPU_SPEC.
5100 (SUBTARGET_CPP_SPEC): Define as an empty string.
5102 2001-07-27 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5104 * doc/install.texi (Configuration): Properly link the host
5105 specific instructions also when generating HTML.
5107 Fri Jul 27 00:33:35 EDT 2001 John Wehle (john@feith.com)
5109 * flow.c (redirect_edge_and_branch_force): Test
5110 target->global_live_at_start.
5112 2001-07-26 Richard Henderson <rth@redhat.com>
5114 * simplify-rtx.c (avoid_constant_pool_reference): Export.
5115 * rtl.h (avoid_constant_pool_reference): Declare it.
5116 * dwarf2out.c (add_location_or_const_value_attribute): Use it.
5117 (add_const_value_attribute): Use add_AT_unsigned for unsigned values.
5119 Thu Jul 26 22:30:22 CEST 2001 Jan Hubicka <jh@suse.cz>
5121 * rtl.h (cleanup_barriers): Declare.
5122 * jump.c (cleanup_barriers): New function.
5123 * toplev.c (rest_of_compilation): Call cleanup_barriers
5124 before loop optimizer and after bb_reorder.
5126 * flow.c (back_edge_of_syntactic_loop_p): New.
5127 (split_edge): Use it.
5129 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5131 * glimits.h (_MACH_MACHLIMITS_H_): Delete.
5133 Thu Jul 26 22:22:21 2001 Denis Chertykov <denisc@overta.ru>
5135 * cse.c (cse_process_notes): Replace any registers if the address
5138 Thu Jul 26 14:04:03 EDT 2001 John Wehle (john@feith.com)
5140 * basic-block.h (PROP_ALLOW_CFG_CHANGES): Define.
5141 (PROP_FINAL): Include PROP_ALLOW_CFG_CHANGES.
5142 (propagate_block): Update prototype.
5143 * flow.c (update_life_info): Simplify the CFG and
5144 recalculate the global regs which are alive when
5145 removing dead code during a global update.
5146 (propagate_block): Return non-zero if an INSN is
5149 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5151 * Makefile.in (LIBICONV): Define.
5153 2001-07-26 Catherine Moore <clm@redhat.com>
5155 * config/v850/v850.h (ENCODE_SECTION_INFO): Change order
5156 of conditional to avoid tree checking errors.
5158 2001-07-26 Kazu Hirata <kazu@hxi.com>
5160 * regmove.c (regmove_optimize): Don't replace a reg with
5161 another reg of a different mode.
5163 2001-07-26 Andrew MacLeod <amacleod@redhat.com>
5165 * params.def (PARAM_MAX_PENDING_LIST_LENGTH): Add parameter to
5166 limit length of dependancy flush list.
5167 * params.h (MAX_PENDING_LIST_LENGTH): Define.
5168 * sched-int.h (struct deps): Add pending_flush_length field.
5169 * sched-deps.c (flush_pending_lists): Last_pending_memory_flush now
5170 has 1 element in it.
5171 (sched_analyze_1): Use MAX_PENDING_LIST_LENGTH.
5172 (sched_analyze): After a jump, if the pending memory flush list is too
5173 large, flush the pending lists.
5174 (init_deps): Initialize pending_flush_length to 0.
5175 * doc/invoke.texi (max_pending_list_length): Document parameter.
5177 2001-07-26 Neil Booth <neil@daikokuya.demon.co.uk>
5179 * toplev.c, varasm.c, final.c: Include xcoffout.h if appropriate.
5180 * dbxout.c (dbxout_global_decl): Move outside #ifdef.
5181 * Makefile.in (varasm.o, final.o, toplev.o): Update dependencies.
5183 2001-07-26 Neil Booth <neil@cat.daikokuya.demon.co.uk>
5185 * cpphash.h (struct_lexer_state): Delete was_skipping.
5186 Move skipping here from struct cpp_reader.
5187 * cpplex.c (parse_identifier): Update.
5188 (_cpp_lex_token): Don't skip tokens in a directive.
5189 * cpplib.c (struct if_stack): Update.
5190 (start_directive, end_directive): Don't change skipping state.
5191 (_cpp_handle_directive): Update.
5192 (do_ifdef, do_ifndef, do_if, do_elif): Similarly.
5193 (do_else, do_endif): Update; only check for excess tokens if not
5194 in a skipped conditional block.
5195 (push_conditional): Update for new struct if_stack.
5197 2001-07-26 Graham Stott <grahams@redhat.com>
5199 * function.c (locate_and_pad_parm): Also pad initial offset
5200 so that the total argument size also includes the padding.
5202 2001-07-26 Graham Stott <grahams@redhat.com>
5204 * gensupport.c (alter_output_for_insn): Correct enable checking failure
5205 change XSTR to XTMPL.
5207 (process_one_cond_exec): Likewise
5209 2001-07-25 Richard Henderson <rth@redhat.com>
5211 * varasm.c (assemble_variable): Create DECL_RTL before setting
5214 Thu Jul 26 00:19:30 CEST 2001 Jan Hubicka <jh@suse.cz>
5216 * predict.c (estimate_probability): Avoid duplicated predictions.
5218 * loop.c (find_and_verify_loops): Grok multiple barriers.
5220 Wed Jul 25 18:00:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5222 * config/alpha/alpha.c (print_operand, case '/'): Don't write '/'.
5224 * dbxout.c: Consistently use putc instead of fputc.
5225 (print_wide_int): New function; call instead of direct fprintf.
5226 (dbxout_type_index): Adjust calls of CHARS to be more accurate.
5227 (dbxout_type_fields, dbxout_type_method_1): Likewise.
5228 (dbxout_type_methods, dbxout_range_type, dbxout_type): Likewise.
5229 (print_int_cst_octal): Likewise.
5230 (print_octal): Show we wrote characters.
5231 (dbxout_type): Set have_used_extensions in more places.
5233 2001-07-25 Catherine Moore <clm@redhat.com>
5235 * config/v850/v850.c (v850_va_arg): Use addr
5236 instead of valist to build incr.
5238 Wed Jul 25 22:48:59 CEST 2001 Jan Hubicka <jh@suse.cz>
5240 * flow.c (delete_dead_jumptables): New function.
5241 (life_analyzis): Call it.
5242 * bb-reorder.c (skip_insns_after_block): Handle contradictory
5245 2001-07-25 Richard Henderson <rth@redhat.com>
5247 * except.c (reachable_handlers): Handle a region being removed
5248 out from under a RESX.
5250 2001-07-25 Richard Henderson <rth@redhat.com>
5252 * config/alpha/alpha.c (alpha_emit_conditional_move): Always
5253 swap GE/GT if it is an fp comparison.
5255 2001-07-25 Andrew Haley <aph@cambridge.redhat.com>
5257 * alias.c (rtx_equal_for_memref_p): Allow strings as types in
5260 Wed Jul 25 08:25:01 2001 Jeffrey A Law (law@cygnus.com)
5262 * ssa.c (rename_insn_1): Do not wrap an assignment to a
5263 paradoxical SUBREG inside a SEQUENCE. Fix minor formatting
5266 * ssa-ccp.c (visit_expression): Handle CALL_INSNs that can
5268 (visit_expression): When attempting to simplify an expression,
5269 retrieve any modes for arguments before they are simplified
5272 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
5273 Janis Johnson <janis@us.ibm.com>
5275 * stmt.c (expand_goto): A nonlocal goto can be a call too.
5276 * builtins.c (expand_builtin_longjmp): Reverse label and static chain
5277 pointer parameters to match documented usage of nonlocal_goto.
5278 * config/ia64/ia64.md (nonlocal_goto): Revert label and static chain
5279 parameters to their correct order.
5280 * config/sparc/sparc.md (nonlocal_goto): Revert label and static chain
5281 parameters to their correct order.
5283 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
5285 * config/ia64/ia64.h (STRIP_NAME_ENCODING): Strip out '*' as well.
5287 2001-07-25 Jan Hubicka <jh@suse.cz>
5288 Richard Henderson <rth@redhat.com>
5290 * flow.c (find_sub_basic_blocks): Fix handling of the last BB in
5292 (make_edges): New argument update_p; populate the edge cache if set.
5293 (find_basic_blocks): Update make_edges invocation.
5295 2001-07-24 Joel Sherrill <joel@OARcorp.com>
5297 * config/i960/i960.h (CPP_SPEC): Define _SOFT_FLOAT for -msoft-float.
5299 2001-07-24 Joel Sherrill <joel@OARcorp.com>
5301 * config/sparc/rtems.h (CPP_PREDEFINES): Remove redundant
5302 -Acpu and -Amachine.h.
5303 * config/sparc/rtemself.h (CPP_PREDEFINES): Likewise.
5304 Corrected header to say ELF not a.out.
5305 * config/sparc/sparc.h (CPP_CPU_SPEC): Define _SOFT_FLOAT
5306 when given -msoft-float.
5308 2001-07-24 Joel Sherrill <joel@OARcorp.com>
5310 * config.gcc (arm*-*-rtems*): Include crtinit.o and crtfini.o as
5311 extra multilib parts like arm-elf.
5312 (i960-*-coff*, i960-*-rtems): Should not use collect2.
5313 (m68020-*-elf*, m68k-*-elf*, m68k-*-rtems*): Include crtinit.o and
5314 crtfini.o as extra multilib parts.
5316 2001-07-24 Joel Sherrill <joel@OARcorp.com>
5318 * configure.in: Add rtems as a supported thread model.
5319 * gthr-rtems.h: Add missing entry point __gthread_active_p.
5320 * configure: Rebuilt.
5322 2001-07-24 Lars Brinkhoff <lars@nocrew.org>
5324 * stor-layout.c (get_mode_alignment): make it work when
5325 BITS_PER_UNIT is not a power of two.
5326 * builtins.c (get_pointer_alignment): Likewise.
5328 2001-07-24 Richard Henderson <rth@redhat.com>
5330 * simplify-rtx.c (avoid_constant_pool_reference): Coerce
5331 the retrieved constant into the expected mode.
5333 Wed Jul 25 01:41:27 CEST 2001 Jan Hubicka <jh@suse.cz>
5335 * flow.c (try_simplify_condjump): Avoid duplicated edges.
5336 (verify_flow_info): Check for duplicated edges; clarify
5339 * flow.c (block_label): Update basic_block_for_insn.
5340 (commit_edge_insertions): Call compute_bb_for_insn.
5342 * flow.c (purge_dead_edges): Handle conditional jumps and conditional
5345 * flow.c (redirect_edge_and_branch,
5346 try_optimize_cfg): Use redirect_edge_succ_nodup
5347 (redirect_edge_succ_nodup): New.
5348 * basic_block.h (redirect_edge_succ_nodup): Declare.
5350 * toplev.c (rest_of_compilation): Rebuild CFG before cfg_cleanup
5353 Wed Jul 25 00:32:49 CEST 2001 Jan Hubicka <jh@suse.cz>
5355 * flow.c (try_forward_edges): Accept fallthru edge; Update comment.
5356 (try_crossjump_to_edge): Update commetns.
5357 (try_crossjump_bb): Likewise.
5359 2001-07-24 Richard Henderson <rth@redhat.com>
5361 * combine.c (distribute_notes): Move set of need_refresh
5362 for noop_move_p down to catch all cases.
5364 Tue Jul 24 20:32:44 CEST 2001 Jan Hubicka <jh@suse.cz>
5366 * recog.c (split_all_insns_noflow): New.
5367 * rtl.h (split_all_insns_noflow): Declare.
5368 * ia64.c (ia64_reorg): Use split_all_insns_noflow.
5369 * m68hc11.c (m68hc11_reorg): Likewise.
5370 * sh.c (machine_dependent_reorg): Likewise.
5371 * toplev.c (rest_of_compilation): Likewise for last split_all_insns
5374 2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
5376 * config/sh/sh.md (ashlsi3_std splitter): Split only after reload.
5377 (ashlsi3_n splitter): Likewise.
5378 (lshrsi3_n splitter): Likewise.
5380 (GOTaddr2picreg): Make const SImode.
5381 (sym_label2reg): Likewise.
5382 (symGOT2reg): Likewise.
5383 (symGOTOFF2reg) Likewise.
5385 (casesi_worker_0): Make unspec SImode.
5387 2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
5389 * config/sh/sh.c (barrier_align): Check that an operand really is
5390 an insn before extracting its INSN_CODE.
5392 2001-07-24 Andrew Haley <aph@cambridge.redhat.com>
5394 * config/sh/sh.h (OVERRIDE_OPTIONS): Add braces to get rid of
5397 * config/sh/sh.h (INITIALIZE_TRAMPOLINE): Truncate operands
5398 for SImode to prevent overflow.
5400 2001-07-24 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5402 * config/mips/irix6-libc-compat.c: New file.
5403 * config/mips/t-iris6 (LIB2FUNCS_STATIC_EXTRA): Use it.
5404 * doc/install.texi (Specific, mips*-sgi-irix6): Mention structure
5407 2001-07-24 lars brinkhoff <lars@nocrew.org>
5409 * rtl.texi (REG_POINTER): Document.
5410 (Machine Modes): Document BImode, OImode, PQImode, PHImode,
5411 QFmode, HFmode, TQFmode, QCmode, and HCmode.
5413 Tue Jul 24 10:49:40 CEST 2001 Jan Hubicka <jh@suse.cz>
5415 * flow.c (delete_noop_moves): Do not confuse libcall regions.
5417 2001-07-23 Richard Henderson <rth@redhat.com>
5419 * flow.c (try_simplify_condjump): Use tidy_fallthru_edge.
5421 2001-07-23 Kazu Hirata <kazu@hxi.com>
5423 * config/h8300/h8300-protos.h: Add a prototype for
5424 general_operand_dst_push.
5425 * config/h8300/h8300.c (general_operand_dst_push): New.
5426 * config/h8300/h8300.h (OK_FOR_T): New.
5427 (EXTRA_CONSTRAINT): Use it.
5428 * config/h8300/h8300.md (movqi_push): Remove and integrate into
5429 the existing movqi pattern.
5430 (movhi_push): Likewise.
5432 * reload.c: Fix comment typos.
5434 Mon Jul 23 23:34:07 CEST 2001 Jan Hubicka <jh@suse.cz>
5436 * gcse.c (cprop_insn): Update call of cprop_cc0_jump.
5438 2001-07-23 H.J. Lu (hjl@gnu.org)
5440 * doc/extend.texi: Update __builtin_return_address and
5441 __builtin_frame_address.
5443 2001-07-23 Richard Henderson <rth@redhat.com>
5445 * config/i386/i386.c (ix86_expand_setcc): Don't use method 0
5447 * config/i386/i386.md: New setcc+movzbl peephole2.
5449 2001-07-23 Neil Booth <neil@cat.daikokuya.demon.co.uk>
5451 * objc/Make-lang.in (objc-act.o): Depend on debug.h.
5452 * objc/objc-act.c: Include debug.h.
5453 (synth_module_prologue): Save and restore debug hooks too.
5455 2001-07-23 lars brinkhoff <lars@nocrew.org>
5457 * tm.texi (TARGET_FLOAT_FORMAT): Document IBM_FLOAT_FORMAT
5458 and C4X_FLOAT_FORMAT.
5459 (BOOL_TYPE_SIZE): Document.
5461 Mon Jul 23 11:54:23 2001 Clinton Popetz <cpopetz@cpopetz.com>
5463 * unroll.c (loop_iterations): Fix miscalculation of initial
5466 2001-07-13 Andrew Haley <aph@redhat.com>
5468 * doc/tm.texi (MD_CAN_REDIRECT_BRANCH): New macro.
5469 * config/sh/sh.h (MD_CAN_REDIRECT_BRANCH): New macro.
5470 * config/sh/sh.c (sh_can_redirect_branch): New function.
5471 * config/sh/sh-protos.h (sh_can_redirect_branch): Declare.
5472 * reorg.c (steal_delay_list_from_target): Use
5473 MD_CAN_REDIRECT_BRANCH to see if redirection is possible.
5475 Mon Jul 23 17:20:18 CEST 2001 Jan Hubicka <jh@suse.cz>
5477 * flow.c (try_simplify_condjump): Unlink insn chain on
5478 fallthru edge; use can_fallthru.
5480 Mon Jul 23 16:03:19 CEST 2001 Jan Hubicka <jh@suse.cz>
5482 * basic-block.h (find_sub_basic_block): Declare.
5483 * flow.c (make_edges): New arguments MIN and MAX;
5484 (find_sub_basic_blocks): Revamp to use make_edges
5485 and purge_dead_edges.
5486 (find_basic_blocks): Update call of find_sub_basic_block.
5488 * recog.c (split_all_insns): Always expect CFG to be consistent;
5489 call find_sub_basic_blocks in case something has changed.
5490 * toplev.c (rest_of_compilation): Always call split_all_insns once CFG
5493 * basic-block.h (delete_noop_moves): Declare.
5494 * combine.c (combine_instructions): Call it.
5495 (recog_for_combine): Tolerate noop moves
5496 (distribute_notes): Force refresh when register dies at noop move.
5497 * flow.c (delete_noop_moves): Use BB structure; delete JUMP insns
5499 (life_analysis): Update delete_noop_moves call.
5500 (set_noop_p): Move too ...
5501 * rtlanal.c (noop_move_p): ... here.
5502 * rtl.h (noop_move_p): Declare.
5504 * basic-block.h (purge_all_dead_edges, purge_dead_edges): New functions.
5505 * toplev.c (rest_of_compilation): Conditionally call purge_all_dead_edges
5507 * gcse.c (cprop_cc0_jump, cprop_insn): New argument "basic_block".
5508 (cprop_jump): Likewise; call purge_dead_edges if substitution suceeded.
5510 2001-07-23 Hans-Peter Nilsson <hp@bitrange.com>
5512 * reload.c (push_reload): Fix typo in comment.
5513 (find_reloads_address): Ditto.
5514 (reg_overlap_mentioned_for_reload_p): Ditto in head comment.
5516 2001-07-22 Richard Henderson <rth@redhat.com>
5518 * flow.c: Grammar check and clarify a lot of comments.
5519 (try_simplify_condjump): Rename variables to be clearer.
5520 (try_forward_edges): Skip complex and fallthru edges.
5521 Rearrange tests to avoid duplicate checks.
5522 (flow_find_cross_jump): Likewise.
5523 (outgoing_edges_match): Allow match if neither branch has
5524 probability data. Loosen probability match to 5%.
5525 (try_crossjump_to_edge): Hoist repeated indirection into
5527 (try_crossjump_bb): Don't check complex edges. Eliminate
5528 redundant crossjump tests.
5529 (try_optimize_cfg): Fix use of bool. Reorganize cheaper
5530 checks before more expensive checks.
5532 2001-07-22 Richard Henderson <rth@redhat.com>
5534 * fold-const.c (fold): Test vs FLOAT_TYPE_P instead of
5535 INTEGRAL_TYPE_P when folding comparisons with operand_equal_p
5538 2001-07-22 Richard Henderson <rth@redhat.com>
5540 * m68k.c (const_uint32_operand): Abort if mode is <= 32 bits.
5541 (const_sint32_operand): Likewise.
5542 * m68k.md (anon mulsi pattern): Use const_int_operand not
5543 const_sint32_operand.
5544 (umulsi3_highpart): Zero extend a constant input.
5545 (smulsi3_highpart): Don't bother checking SImode constant.
5546 (const_umulsi3_highpart): Give op3 DImode.
5547 (const_smulsi3_highpart): Likewise.
5549 2001-07-22 Richard Henderson <rth@redhat.com>
5551 * flow.c (split_block): Make sure bb_note is included in the
5552 new block when splitting before a label.
5554 Sun Jul 22 23:28:56 CEST 2001 Jan Hubicka <jh@suse.cz>
5556 * basic-block.h (redirect_edge_and_branch_force,
5557 redirect_edge_and_branch, block_label, forwarder_block_p): Declare.
5558 * flow.c (redirect_edge_and_branch_force,
5559 redirect_edge_and_branch, block_label, forwarder_block_p): Make global.
5560 (redirect_edge_and_branch_force): Fix copying of lifeness information.
5561 (block_label): Handle EXIT_BLOCK_PTR by returning NULL.
5562 * ifcvt.c (dead_or_predictable): Take BB as an new destionation
5563 instead of label; update CFG after transformation.
5564 (find_if_case_1): Update call, use redirect_edge_and_branch_force
5565 for finishing the transformation; handle even case where ELSE
5566 does not follow THEN.
5567 (find_if_case_2): Update call of dead_or_predictable; simplify
5570 * emit-rtl.c (split_branch_probability): New global variable.
5571 (try_split): Take care to set split_branch_probability and
5572 create REG_BR_PROB note for new jump insns.
5573 * md.texi (define_split): Document new feature.
5575 * i386.c (ix86_split_fp_branch): Redistribute branch probability notes.
5577 2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
5579 * varasm.c: Don't inlcude dbxout.h, sdbout.h or xcoffout.h.
5580 (asm_out_file): Remove redundant declaration.
5581 (assemble_asm): Remove old #if 0 block.
5582 (assemble_variable): Remove end of function; debug output is
5583 now handled with global_decl. Remove old #if 0 block. Update.
5584 Remove saved_in_section and associated no-op code.
5585 * Makefile.in (varasm.o): Correct dependencies.
5587 Sun Jul 22 17:55:11 2001 Alexandre Oliva <aoliva@redhat.com>
5589 * config/i386/freebsd-aout.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
5590 the definition in defaults.h.
5592 Sun Jul 22 21:31:04 CEST 2001 Jan Hubicka <jh@suse.cz>
5594 * jump.c: Update comments.
5595 (delete_barrier_successors, delete_unreferenced_labels,
5596 delete_noop_moves, tension_vector_labels, delete_from_jump_chain,
5597 delete_labelref_insn, redirect_tablejump, jump_optimize_1,
5598 jump_optimize, jump_optimize_minimal): Kill.
5599 (rebuild_jump_labels): Move code from jump_optimize_1.
5600 (purge_line_number_notes): Likewise.
5601 (copy_loop_headers): Likewise.
5602 * reg-stack.c: Update comment.
5604 * rtl.h (jump_optimize, jump_optimize_1, JUMP_NOOP_MOVES,
5605 JUMP_AFTER_REGSCAN): Kill.
5606 * toplev.c (rest_of_compilation): Use cleanup_cfg, call
5607 purge_line_number_notes and copy_loop_headers.
5609 2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
5610 Richard Henderson <rth@redhat.com>
5612 * dbxout.c (dbxout_global_decl): New.
5613 (xcoff_debug_hooks, dbx_debug_hooks): Use it.
5614 * sdbout.c (sdbout_finish): New.
5615 (sdbout_debug_hooks): Use it, add comments.
5616 (sdbout_global_decl): Defer initialised public vars to
5618 * varasm.c (assemble_variable): Don't output debug information
5619 for file-scope variables.
5621 2001-07-22 Richard Henderson <rth@redhat.com>
5623 * config/alpha/alpha.c (get_trap_mode_suffix): New.
5624 (get_round_mode_suffix): New.
5625 (print_operand): Use them for [/]. Remove support for [&'`()+].
5626 * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Update.
5627 * config/alpha/alpha.md (attr round_suffix): New.
5628 (attr trap_suffix): New.
5629 (all insns): Set them appropriately. Use %/ instead of the
5632 2001-07-22 Neil Booth <neil@cat.daikokuya.demon.co.uk>
5634 * dbxout.c, sdbout.c, varasm.c: Revert most recent debug patch.
5636 2001-07-22 Richard Henderson <rth@redhat.com>
5638 * regrename.c (regrename_optimize): Compute nregs for each
5639 potential target register.
5641 2001-07-21 Neil Booth <neil@daikokuya.demon.co.uk>
5642 Richard Henderson <rth@redhat.com>
5644 * dbxout.c (dbxout_global_decl): New.
5645 (xcoff_debug_hooks, dbx_debug_hooks): Use it.
5646 * sdbout.c (sdbout_finish): New.
5647 (sdbout_debug_hooks): Use it, add comments.
5648 (sdbout_global_decl): Defer initialised public vars to
5650 * varasm.c (assemble_variable): Don't output debug information
5651 for file-scope variables.
5653 2001-07-21 H.J. Lu (hjl@gnu.org)
5655 * config/mips/mips.c (mips_cpu): Moved into ...
5656 (override_options): Here.
5658 * config/mips/mips.h (mips_cpu_attr): Replace mips_cpu with
5660 (mips_cpu): Removed.
5662 2001-07-21 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5664 * config/m68hc11/m68hc11.md ("andqi3"): Accept d as second operand.
5665 ("iorqi3"): Likewise.
5666 ("xorqi3"): Likewise.
5667 ("*addhi3"): Fix constraint to avoid reloading in a soft register.
5668 ("*subhi3_sp): Likewise.
5669 ("*subhi3"): Likewise.
5670 ("extendhisi2"): Accept D, X and Y as source operand to avoid
5673 2001-07-21 Nathan Sidwell <nathan@codesourcery.com>
5675 * doc/tm.texi: Remove DEFAULT_VTABLE_THUNKS.
5676 * config/freebsd.h: Likewise.
5677 * config/linux.h: Likewise.
5678 * config/openbsd.h: Likewise.
5679 * config/alpha/linux-elf.h: Likewise.
5680 * config/arm/linux-elf.h: Likewise.
5681 * config/d30v/d30v.h: Likewise.
5682 * config/fr30/fr30.h: Likewise.
5683 * config/ia64/aix.h: Likewise.
5684 * config/ia64/ia64.h: Likewise.
5685 * config/mips/linux.h: Likewise.
5686 * config/pj/pj.h: Likewise.
5687 * config/rs6000/linux.h: Likewise.
5688 * config/sparc/linux.h: Likewise.
5689 * config/sparc/linux64.h: Likewise.
5691 2001-07-20 Bruce Korb <bkorb@gnu.org>
5693 * fixinc/fixincl.c(test_for_changes): force unsigned char comparisons
5694 because getc() and char* may disagree on signedness.
5696 2001-07-20 Richard Henderson <rth@redhat.com>
5698 * doc/rtl.texi (REG_DEAD): Update for current semantics.
5700 * flow.c (try_redirect_by_replacing_jump): Correctly compute which
5701 insns to delete in the presence of cc0 in a jump insn.
5703 Fri Jul 20 22:14:49 CEST 2001 Roman Zippel <zippel@linux-m68k.org>
5704 Jan Hubicka <jh@suse.cz>
5706 * m68k.md (zero_extend?i?i2 expander): Use gen_lowpart instead
5707 of doing the change by hand.
5709 Fri Jul 20 21:59:42 CEST 2001 Jan Hubicka <jh@suse.cz>
5711 * rtlanal.c (set_noop_p): Return true for noop jumps.
5713 * expr.c (emit_single_push_insn): Add call to push expander.
5714 * expr.h (optab_index): Add OTI_push
5715 (push_optab): New constant.
5716 * genopinit.c (optabs): Add push_optab.
5717 * optabs.c (init_optab): Init push optab.
5718 * md.texi (push??1): Document
5720 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5722 * config/m68hc11/m68hc11.md ("movdi", "movdi_internal"): Use an
5723 expand to emit the pattern; put a REG_INC note for push/pop
5725 ("movdf", "movdf_internal"): Likewise.
5726 ("movsi", "movsi_internal"): Likewise.
5727 ("movsf", "movsf_internal"): Likewise.
5728 ("movhi", "movqi"): Emit a REG_INC note for push/pop instructions.
5730 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5732 * config/m68hc11/m68hc11.c (m68hc11_gen_highpart): Don't use
5735 2001-07-20 Daniel Berlin <dan@cgsoftware.com>
5737 * params.def: Change default max inline insns to 100.
5739 2001-07-20 Diego Novillo <dnovillo@redhat.com>
5741 * combine.c (combine_simplify_rtx): Generate a new shift operation
5742 when simplifying the first operand of a (neg (ashift)) expression.
5744 2001-07-20 Roman Lechtchinsky <rl@cs.tu-berlin.de>
5746 * regclass.c (N_REG_INTS): Use only 32 bits per element.
5748 2001-07-20 Kelley Cook <kelley.cook@home.com>
5750 * doc/install.texi (sparc-sun-solaris*): Add in 4.x assembler bug
5751 information. Move rest into ...
5752 (*-*-solaris): ... here. Eliminate redundant information and
5753 reword necessary packages section. Delete 4.x assembler bug info.
5754 (sparc-sun-*): Merge into ...
5755 (sparc-sun-sunos*): here.
5757 2001-07-20 Catherine Moore <clm@redhat.com>
5759 * config/v850/v850.md (casesi): Generate LABEL_REF
5762 Fri Jul 20 14:12:57 CEST 2001 Jan Hubicka <jh@suse.cz>
5764 * i386-protos.h (ix86_zero_extend_to_Pmode): Declare.
5765 * i386.c (ix86_zero_extend_to_Pmode): Make global.
5766 * i386.md (strclrsi expander): Use it.
5768 Fri Jul 20 13:24:16 CEST 2001 Jan Hubicka <jh@suse.cz>
5770 * integrate.c (copy_insn_list): handle
5771 NOTE_INSN_DELETED_LABEL, as if it were CODE_LABEL.
5772 (copy_rtx_and_substitute): Likewise; behave to NOTE_INSN_DELETED_LABEL
5773 identically as to CODE_LABEL.
5775 * fold-const (fold): Convert A/B/C to A/(B*C) and
5778 * except.c (connect_post_landing_pads): Delete the RESX insns.
5780 2001-07-20 Aldy Hernandez <aldyh@redhat.com>
5782 * config/mips/mips.h (ISA_HAS_NMADD_NMSUB): New macro.
5784 * config/mips/mips.md (nmadd/nmsub): Use macro.
5786 2001-07-20 Nathan Sidwell <nathan@codesourcery.com>
5788 * cppinit.c (remove_dup_dir): Make static.
5789 (remove_dup_dirs): Make static. Only warn about preempting a
5790 system directory with a non-system directory.
5792 2001-07-19 Geoffrey Keating <geoffk@redhat.com>
5794 * ifcvt.c (noce_try_store_flag_constants): Correct order
5795 of parameters to trunc_int_for_mode.
5797 2001-07-19 Mark Mitchell <mark@codesourcery.com>
5799 * reorg.c (fill_simple_delay_slots): If an instruction might throw
5800 an exception that will be caught within this function, do not fill
5801 its delay slot with any subsequent instruction.
5803 2001-07-19 Steve Ellcey <sje@cup.hp.com>
5805 * tm.texi (POINTERS_EXTEND_UNSIGNED) Modify definition.
5806 * optabs.c (can_extend_p) Check HAVE_ptr_extend for a specialized
5807 pointer extension instruction.
5808 * combine.c (nonzero_bits,num_sign_bit_copies) Likewise.
5809 * simplify-rtx.c (simplify_unary_operation) Likewise.
5810 * explow.c (convert_memory_address) Check value of
5811 POINTERS_EXTEND_UNSIGNED to avoid some conversions when
5813 * config/ia64/t-hpux (LIBGCC, INSTALL_LIBGCC, MULTILIB_OPTIONS,
5814 MULTILIB_DIRNAMES, MULTILIB_MATCHES) Add multilib support.
5815 * config/ia64/hpux.h (CPP_SPEC, ASM_SPEC, SUBTARGET_SWITCHES)
5816 Add Multilib Support.
5817 (POINTERS_EXTEND_UNSIGNED) Define for ILP32 support.
5818 * config/ia64/ia64.h (MASK_ILP32, TARGET_ILP32, SUBTARGET_SWITCHES)
5819 Add Multilib Support.
5820 (POINTER_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE) Modify for ILP32
5822 * config/ia64/ia64.c (rtx_needs_barrier) Add support for addp4.
5823 * config/ia64/ia64.md (ptr_extend) New instruction to "swizzle"
5824 a 32 bit HP-UX pointer into a 64 bit HP-UX pointer.
5826 2001-07-19 Alexandre Oliva <aoliva@redhat.com>
5828 * simplify-rtx.c (simplify_replace_rtx): Try to obtain mode from
5829 old and new operands in `<', `3' and `b'.
5831 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
5833 * Makefile.in (emit-rtl.o, c-decl.o): Depend on debug.h.
5834 (final.o): Don't depend on xcoffout.h, dbxout.h or sdbout.h.
5835 (toplev.o): Don't depend on xcoffout.h.
5836 * c-decl.c: Include debug.h
5837 (duplicate_decls): Use debug hook.
5838 * dbxout.c (dbxout_source_file, dbxout_args): Make static.
5839 (dbx_debug_hooks, xcoff_debug_hooks): Update.
5840 (dbxout_types): Remove.
5841 * dbxout.h (dbxout_source_file, dbxout_types, dbxout_args): Remove.
5842 * debug.c (do_nothing_debug_hooks): Update.
5843 (debug_true_tree, debug_nothing_rtx): New.
5844 * debug.h (struct rtx_def): New.
5845 (struct gcc_debug_hooks): New hooks ignore_block,
5846 outlining_inline_function and label.
5847 (debug_true_tree, debug_nothing_rtx, dwarf2out_frame_init,
5848 dwarf2out_frame_finish): New.
5849 * dwarf2out.c (dwarf2out_ignore_block, dwarf2out_abstract_function):
5850 Make static, update prototype.
5851 (dwarf2_debug_hooks): Update.
5852 * dwarf2out.h (dwarf2out_ignore_block, dwarf2out_abstract_function,
5853 dwarf2out_frame_init, dwarf2out_frame_finish): Remove.
5854 * dwarfout.c (dwarf_debug_hooks): Update.
5855 * emit-rtl.c: Include debug.h.
5856 (remove_unnecessary_notes): Use debug hook.
5857 * final.c: Don't include dbxout.h, xcoffout.h or sdbout.h.
5858 (final_scan_insn): Use debug hook.
5859 * integrate.c (output_inline_function): Use debug hook.
5860 * sdbout.c (sdbout_toplevel_data, sdbout_label): Make static.
5861 (sdb_debug_hooks): Update.
5862 * sdbout.h (sdbout_label, sdbout_toplevel_data): Remove.
5863 * toplev.c: Don't include xcoffout.h.
5864 (note_outlining_of_inline_function, debug_ignore_block): Remove.
5865 * toplev.h (note_outlining_of_inline_function, debug_ignore_block):
5867 * tree.h (dwarf2out_do_frame): Remove.
5869 2001-07-19 Catherine Moore <clm@cygnus.com>
5871 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Restore.
5873 2001-07-19 Geoffrey Keating <geoffk@redhat.com>
5875 * reload1.c (eliminate_regs_in_insn): When updating a set
5876 to the frame pointer to the hardware frame pointer, perform
5877 the update always not just when REPLACE is set.
5879 * reload1.c (choose_reload_regs): Don't inherit a reload
5880 that crosses multiple registers if registers past the first
5881 don't fit in the desired class.
5883 * ifcvt.c (noce_try_store_flag_constants): Use trunc_int_for_mode
5884 when negating constants.
5886 2001-07-19 Toon Moene <toon@moene.indiv.nluug.nl>
5888 * tree.def: Document restriction on {L|R}SHIFT_EXPR's second argument.
5889 * doc/tree.texi: Ditto.
5891 2001-07-19 Mark Kettenis <kettenis@wins.uva.nl>
5892 Jakub Jelinek <jakub@redhat.com>
5894 * unwind-dw2.c (_Unwind_FrameState): Add eh_ptr.
5895 (extract_cie_info): Handle "eh" augmentation properly,
5897 (struct frame_state, __frame_state_for): New.
5899 2001-07-19 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5901 * config/alpha/osf.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL,
5902 HANDLE_SYSV_PRAGMA): Define.
5903 * mips-tfile.c (add_ext_symbol): Pass complete symbol ptr, inline
5905 (copy_object): Caller changed.
5907 2001-07-19 Andreas Schwab <schwab@suse.de>
5909 * configure.in (assembler dwarf2 debug_line support): Define nop
5911 * configure: Regenerated.
5913 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
5915 * Makefile.in (toplev.o, dwarfout.o, final.o): Don't depend on
5917 * dbxout.c (dbxout_function): Rename dbxout_funciton_decl, move
5918 to conditionally compiled block.
5919 (dbx_debug_hooks, xcoff_debug_hooks): Update.
5920 * dbxout.h (dbxout_function): Remove.
5921 * debug.c (do_nothing_debug_hooks): Update.
5922 * debug.h (struct gcc_debug_hooks): New hooks function_decl,
5923 global_decl, deferred_inline_function.
5924 * dwarf2out.c (dwarf2_debug_hooks): Update.
5925 (dwarf2out_global_decl): New.
5926 * dwarfout.c: Don't include dwarfout.h.
5927 (dwarfout_global_decl, dwarfout_function_decl,
5928 dwarfout_deferred_inline_function): New.
5929 (dwarf_debug_hooks): Update.
5930 * dwarfout.h: Remove.
5931 * final.c: Don't include dwarfout.h.
5932 * sdbout.c (sdbout_global_decl): New.
5933 (sdbout_debug_hooks): Update.
5934 * toplev.c: Don't include dwarfout.h.
5935 (check_global_declarations, rest_of_compilation): Use new debug hooks.
5936 (note_deferral_of_defined_inline_function): Remove.
5937 * toplev.h (note_deferral_of_defined_inline_function): Remove.
5938 * ch/Makefile.in (lex.o): No dependence on dwarfout.h.
5939 * ch/lex.c: Don't include dwarfout.h.
5940 * cp/Make-lang.in (decl2.o): No dependence on dwarfout.h, dwarf2out.h.
5941 (semantics.o, optimize.o): Depend on debug.h not dwarfout.h.
5942 * cp/decl2.c: Don't include dwarfout.h and dwarf2out.h.
5943 * cp/optimize.c: Include debug.h.
5944 (maybe_clone_body): Use debug hook.
5945 * cp/semantics.c: Include debug.h.
5946 (expand_body): Use debug hook.
5947 * po/POTFILES.in: Remove dwarfout.h.
5949 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
5951 * c-lex.c (c_lex): Remove CPP_INT, CPP_FLOAT cases.
5952 * c-parse.in (yyerror, _yylex): Similarly.
5953 * cppexp.c (parse_number, parse_defined, lex, _cpp_parse_expr):
5954 Don't use CPP_INT, CPP_FLOAT; CPP_NUMBER is enough.
5956 * cpplib.h (CPP_INT, CPP_FLOAT): Remove.
5957 * cp/spew.c (read_token, yyerror): Remove CPP_INT, CPP_FLOAT cases.
5959 2001-07-18 Jeff Sturm <jsturm@one-point.com>
5961 * dwarf2out.c (dwarf2out_abstract_function): Don't emit
5962 in-class declaration at -g1. Fixes c++/2814.
5964 2001-07-18 Richard Henderson <rth@redhat.com>
5966 * doc/md.texi (reload_in/out): Document restrictions in predicates
5967 and constraints for these patterns. Document empty string matching
5970 2001-07-18 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5972 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Check for ASM_WEAKEN_LABEL.
5974 Wed Jul 18 20:47:36 CEST 2001 Jan Hubicka <jh@suse.cz>
5976 * cse.c: Undo my previous patch.
5978 2001-07-18 Tom Tromey <tromey@redhat.com>
5981 * configure: Rebuilt.
5982 * configure.in: Don't check for iconv.h or iconv(); use AM_ICONV
5984 * aclocal.m4 (AM_ICONV): New macro from Bruno Haible.
5986 Wed Jul 18 18:46:30 CEST 2001 Richard Henderson <rth@cygnus.com>
5987 Jan Hubicka <jh@suse.cz>
5989 * flow.c (redirect_edge_and_branch): Bail out on complex edges.
5990 (try_optimize_cfg): Do not remove tail recursive labels before sibcall.
5991 * jump.c (mark_jump_label): Do not forward branches.
5993 Wed Jul 18 18:35:01 CEST 2001 Jan Hubicka <jh@suse.cz>
5995 * cse.c (delete_trivially_dead_insns): Delete the libcall block
5996 when return value is unused.
5998 Wed Jul 18 18:28:16 CEST 2001 Jan Hubicka <jh@suse.cz>
6000 * gcse.c (pre_insert_copy_insn): Call update_ld_motion_stores.
6002 Wed Jul 18 12:05:29 2001 Nicola Pero <n.pero@mi.flashnet.it>
6004 * gthr-posix.h (__gthread_objc_mutex_trylock): Fixed return value
6005 on error. We can't blindly return the result of
6006 pthread_mutex_trylock because it returns a positive number on
6007 error, while we must return -1 on error.
6008 (__gthread_objc_mutex_lock, __gthread_objc_mutex_unlock): Similar
6010 Reported by Stephen Brandon <stephen@brandonitconsulting.co.uk>.
6012 2001-07-18 Andreas Jaeger <aj@suse.de>
6014 * integrate.c (output_inline_function): Correct type of debug_hooks.
6016 2001-07-18 Toon Moene <toon@moene.indiv.nluug.nl>
6018 * combine.c (combine_simplify_rtx): DIV can be treated
6019 associatively for floats if unsafe math optimisations are enabled.
6021 2001-07-17 Richard Henderson <rth@redhat.com>
6023 * reload.c (push_secondary_reload): Accept empty-string for ALL_REGS.
6025 2001-07-17 Richard Henderson <rth@redhat.com>
6027 * calls.c (prepare_call_address): New parameter SIBCALLP. If true,
6028 don't force the function address into a register.
6029 (expand_call, emit_library_call_value_1): Update callers.
6030 * builtins.c (expand_builtin_apply): Likewise.
6031 * expr.h (prepare_call_address): Update decl.
6033 2001-07-17 Chandrakala Chavva <cchavva@redhat.com>
6035 * config.gcc: For *-*-chorusos triplet, get chorus.h file from
6037 * config/i386/chorus.h: Move up.
6038 * config/sparc/chorus.h: Likewise.
6039 * config/rs6000/chorus.h: Likewise.
6040 * config/chorus.h: Moved here.
6042 2001-07-17 Andreas Schwab <schwab@suse.de>
6044 * configure.in (assembler eh_frame optimization): Handle big
6046 * configure: Regenerated.
6048 Tue Jul 17 23:43:31 CEST 2001 Jan Hubicka <jh@suse.cz>
6050 * expr.c (epxand_expr): Convert divisions into multiplications by
6051 reciprocals if -ffast-math.
6053 2001-07-17 Neil Booth <neil@daikokuya.demon.co.uk>
6055 * dbxout.c (dbxout_really_begin_function): Rename to
6056 dbxout_begin_function.
6057 (dbx_debug_hooks, xcoff_debug_hooks): Update.
6058 (dbxout_begin_function): Remove.
6059 (dbxout_function): Update.
6060 (dbxout_source_line): Update prototype.
6061 * dbxout.h (dbxout_begin_function): Remove.
6062 * debug.c (do_nothing_debug_hooks): Update.
6063 (debug_nothing_tree): Update.
6064 (debug_nothing_charstar_rtx): Remove.
6065 * debug.h (union tree_node): Declare.
6066 (struct rtx_def): Remove.
6067 (gcc_debug_hooks): New hooks begin_prologue, end_prologue,
6068 begin_function. Change source_line prototype.
6069 (debug_nothing_tree): New.
6070 (debug_nothing_charstar_rtx): Delete.
6071 (dwarf2out_begin_prologue): Moved from ...
6073 * dwarf2out.c (dwarf2_debug_hooks): Update.
6074 (dwarf2out_begin_prologue): Update prototype. If genuine dwarf2
6075 debug info, call dwarf2out_source_line.
6076 (dwarf2out_souce_line): Update prototype.
6077 * dwarfout.c (dwarfout_begin_function): Rename dwarfout_end_prologue.
6078 Change prototype, make static.
6079 (dwarfout_source_line): Update prototype.
6080 (dwarf_debug_hooks): Update.
6081 * dwarfout.h (dwarfout_begin_function): Remove.
6082 * final.c (final_start_function, final_scan_insn): Use appropriate
6083 debug hooks, update to use notice_source_line.
6084 (output_source_line): Rename notice_source_line. Don't call the
6085 source_line debug hook.
6086 * sdbout.c (sdbout_begin_function): Rename sdbout_begin_prologue,
6087 make static, update prototype.
6088 (sdbout_mark_begin_function): Rename sdbout_begin_function, update
6090 (sdbout_end_prologue): New.
6091 (sdbout_source_line): Update prototype.
6092 (sdbout_debug_hooks): Update.
6093 (sdbout_symbol): Remove unused var.
6094 * sdbout.h (sdbout_begin_function, sdbout_mark_begin_function):
6096 * varasm.c: Include debug.h.
6097 (assemble_start_function): Use begin_function debug_hook.
6098 * xcoffout.c (xcoffout_begin_prologue): Rename xcoffout_begin_function,
6099 update with prototype.
6100 (xcoffout_source_line): Update prototype.
6101 * xcoffout.h (xcoffout_begin_prologue): Rename xcoffout_begin_function,
6103 (xcoffout_source_line): Update prototype.
6105 2001-07-17 Richard Henderson <rth@redhat.com>
6107 * c-typeck.c (build_binary_op): Do not shorten unsigned
6108 right shift after sign extension.
6110 Tue Jul 17 16:56:05 CEST 2001 Jan Hubicka <jh@suse.cz>
6112 * combine.c (combine_simplify_rtx): Attempt to simplify
6113 a*(b/c) as (a*b)/c for floats in unsafe_math mode.
6115 * simplify-rtx.c (avoid_constatn_pool_reference): New static function.
6116 (simplify_binary_operation, simplify_unary_operation,
6117 simplify_relational_operation): Use it.
6119 * combine.c (combine_simplify_rtx): Don't do associative law
6120 on divisions; allow associative law on floats.
6122 2001-07-17 H.J. Lu <hjl@gnu.org>
6123 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6125 * c-pragma.h (HANDLE_PRAGMA_WEAK): Define iff ASM_WEAKEN_LABEL and
6126 ASM_OUTPUT_WEAK_ALIAS are defined.
6127 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Define if possible.
6128 * config/mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL):
6130 * config/mips/iris5.h: ... here.
6131 (HANDLE_SYSV_PRAGMA): Defined as 1.
6132 * varasm.c (weak_finish): Use ASM_OUTPUT_WEAK_ALIAS.
6133 * doc/tm.texi (ASM_OUTPUT_WEAK_ALIAS): Support the undefined weak
6136 2001-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
6138 * c-parse.in (all_prefix_attributes): New variable.
6139 (PUSH_DECLSPEC_STACK, POP_DECLSPEC_STACK): New macros.
6140 (maybe_resetattrs): New production.
6141 (c_parse_init, datadef, fndef, datadecl, setspecs, setattrs, decl,
6142 maybe_type_quals_setattrs, initdecls, notype_initdecls, initdcl,
6143 notype_initdcl, nested_function, notype_nested_function,
6144 component_decl, components, components_notype,
6145 component_declarator, component_notype_declarator,
6146 absdcl_maybe_attribute, parm, firstparm, setspecs_fp, ivar_decl,
6147 ivars, mydecl, myparm): Update. Avoid prefix attributes just
6148 after a comma being applied to more than one declarator.
6149 * doc/extend.texi (Attribute Syntax): Update. Remove
6150 documentation of bugs that are no longer present.
6152 2001-07-13 Eric Christopher <echristo@redhat.com>
6154 * config/mips/mips.h: Change TUNE_MIPS* options to use
6156 (EXTRA_SPECS): Add cc1_cpu_spec.
6157 * config/mips/mips.md (muldf3): Fix typo.
6159 2001-07-16 Richard Henderson <rth@redhat.com>
6161 * config/m68k/m68k.c: Include expr.h and reload.h.
6162 (print_operand_address) [16 bit int]: Cast INTVAL to int for %d.
6163 [general int]: Use HOST_WIDE_INT_PRINT_DEC.
6165 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
6166 Richard Henderson <rth@redhat.com>
6168 * cse.c (set_live_p): Take INSN argument for cc0; update callers.
6169 (insn_live_p): Fix fall off end of function.
6170 (dead_libcall_p): Remove COUNTS argument; update callers.
6171 (delete_trivially_dead_insns): Remove unused variables.
6173 2001-07-17 Andreas Jaeger <aj@suse.de>
6175 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix output format for
6178 * lcm.c (optimize_mode_switching): Avoid warning for unused
6179 variable if !NORMAL_MODE.
6181 * flow.c (try_crossjump_to_edge): Remove unused variable.
6183 2001-07-16 John David Anglin <dave@hiauly1.hia.nrc.ca>
6185 * inclhack.def (ultrix_atexit_param): New hack to fix ultrix 4.3
6186 atexit declaration in stdlib.h.
6188 2001-07-16 Richard Begg <Richard.Begg@colesmyer.com.au>
6190 * fixinc/inclhack.def(hpux_vsnprintf): brokenness in stdio.h
6192 Mon Jul 16 22:48:00 CEST 2001 Jan Hubicka <jh@suse.cz>
6194 * basic-block.h (CLEANUP_PRE_SIBCALL): New constant.
6195 * except.c (finish_eh_generation): Update call of cleanup_cfg;
6196 do rebuild_jump_labels instead of jump_optimize
6197 * sibcall.c (optimize_sibling_and_tail_recursive_call): Likewise.
6198 * toplev.c (rest_of_compulation): Likewise for -Wreturn_type.
6199 * flow.c (try_optimize_cfg): Remove unneeded code_labels.
6201 * flow.c: Include timevar.h
6202 (find_basic_block): Push/pop timevar;
6203 (cleanup_cfg): Likewise.
6204 * timevar.def (TV_CFG, TV_CLEANUP_CFG): New.
6205 * Makefile: Add dependencies on timevar.h
6207 * integrate.c (save_for_inline): Kill all BASIC_BLOCK notes.
6208 (copy_insn_list): Avoid killing of BASIC_BLOCK notes.
6210 * rtl.h (delete_trivially_dead_insns): Add new parameter.
6211 * toplev.c (rest_of_compilation): Update calls.
6212 * cse.c (set_live_p, insn_live_p, dead_libcall_p): Break out from ...
6213 (delete_trivially_dead_insns): ... here; accept new argument
6214 preserve_basic_blocks; preserve basic blocks if set.
6216 * reg-stack.c (stack_regs_mentioned): Return 0 if
6217 stack_regs_mentioned_data is not initialized.
6218 (reg_to_stack): Make stack_regs_mentioned survive after the
6219 reg-stack is completted; do not call cleanup_cfg.
6220 * toplev.c (rest_of_compilation): Do cleanup_cfg before bb-reorder;
6221 make cleanup_cfg after bb-reorder to output to debug file.
6223 2001-07-16 Richard Henderson <rth@redhat.com>
6225 * regclass.c (init_reg_sets): Use only 32 bits per initializer
6226 from int_reg_class_contents.
6228 2001-07-16 Richard Henderson <rth@redhat.com>
6230 * hard-reg-set.h (regs_invalidated_by_call): Declare.
6231 * regclass.c (regs_invalidated_by_call): Move from cse.c.
6232 (init_reg_sets_1): Move initialization from cse_main.
6233 * cse.c (regs_invalidated_by_call): Move to regclass.c.
6234 (cse_main): Move its initialization also.
6235 * df.c (df_insn_refs_record): Use regs_invalidated_by_call.
6236 * flow.c (propagate_one_insn): Likewise.
6237 * gcse.c (compute_hash_table): Likewise.
6238 (compute_kill_rd, compute_store_table): Likewise.
6239 * sched-deps.c (sched_analyze_1): Likewise.
6241 Mon Jul 16 18:07:07 2001 J"orn Rennecke <amylaar@redhat.com>
6243 * gcse.c (pre_insert_copy_insn): Use gen_move_insn instead of
6246 2001-07-16 Steve Ellcey <sje@cup.hp.com>
6248 * dominance.c (calc_dfs_tree_nonrec): Reverse order of tests
6249 in if statement so we don't access undefined memory.
6251 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
6253 * gcse.c: Update comment at top.
6254 Update comment on mem handling.
6255 mem_last_set, mem_first_set, mem_set_in_block: gone.
6256 Declaration of reg_set_info: gone.
6257 (oprs_unchanged_p): Don't use mem_*set_* anymore. They are
6258 pointless with load_killed_in_block_p (they are *more*
6259 conservative then it, not less, and less accurate).
6260 (oprs_not_set_p): Ditto.
6261 (alloc_gcse_mem): Don't allocate mem_set_in_block
6262 (free_gcse_mem): Don't free it, either.
6263 (record_last_mem_set_info): Update comment in front, remove
6264 mem_*set_* stuff. Note the reason we don't handle stores directly
6266 (compute_hash_table): Update comments to reflect reality. Remove
6267 mem_*set_* references.
6268 (reset_opr_set_tables): Remove mem_*set_* references.
6270 (mark_set): Ditto. Also remove double sets of bitmaps for REG's.
6271 (mark_clobber): Ditto (on both parts, we double set here too).
6272 (expr_killed_p): Remove mem_set_in_block test.
6273 (compute_transp): Remove mem_set_in_block test.
6275 * ssa-ccp.c: (optimize_unexecutable_edges): Add note about removal
6276 of edge, and removal of phi alternative to dump file.
6277 (ssa_ccp_substitute_constants): Add note about register now being
6278 constant, and which uses were replaced in what insns to dump file.
6280 2001-07-16 Andreas Jaeger <aj@suse.de>
6282 * gcov.c (output_data): Use HOST_WIDEST_INT_PRINT_DEC to output
6283 variables of type HOST_WIDEST_INT.
6285 * libgcc2.c (__bb_exit_func): Handle gcov_type as long long.
6286 (__bb_exit_func): Correct type of count_max to avoid overflow.
6287 (num_digits): Handle long long argument.
6289 * combine.c (gen_lowpart_for_combine): Remove unused variable.
6291 2001-07-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
6293 * output.h (sdb_begin_function_line): Restore as an extern
6295 * sdbout.c (sdb_begin_function_line): Make extern.
6297 2001-07-15 Richard Henderson <rth@redhat.com>
6299 * machmode.def (Pmode): Redefine if GENERATOR_FILE.
6300 * genrecog.c (maybe_both_true_mode): New.
6301 (maybe_both_true_2): Use it.
6302 (write_switch): Don't put Pmode in a switch.
6303 * rtl.c (mode arrays): Don't explicitly size them.
6305 Sun Jul 15 14:07:36 CEST 2001 Jan Hubicka <jh@suse.cz>
6307 * toplev.c (rest_of_compilation): Fix register_life_up_to_date
6308 handling; move unconditional splitting before mode switching.
6310 * i386.md (type): Add fistp type.
6311 (i387, length_attr, scheduling definitions): Handle this type.
6312 (fix_trunc?f?i2): Revamp to use mode switching.
6313 (fix_trunct?f?i_nonmemory, fix_trunc?f?i_memory): New patterns.
6314 * i386.h (fp_cw_mode): New enum
6315 (OPTIMIZE_MODE_SWITCHING, NUM_MODES_FOR_MODE_SWITCHING, MODE_NEEDED,
6316 MODE_PRIORITY_TO_MODE, ENUM_MODE_SET): New macros.
6318 Sun Jul 15 12:53:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6320 * Makefile.in (integrate.o): Add debug.h.
6321 * integrate.c (debug.h): Add.
6322 (output_inline_function): Save, reset, and restore debug_hooks.
6324 2001-07-15 Richard Henderson <rth@redhat.com>
6326 * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use CCmode
6327 instead of COMPARE for the EQUIV expression.
6329 2001-07-15 Richard Henderson <rth@redhat.com>
6331 * flow.c (redirect_edge_and_branch_force): Initialize
6332 global_live_at_start and global_live_at_end.
6333 (allocate_bb_life_data): Export.
6334 * basic-block.h (allocate_bb_life_data): Declare.
6335 * toplev.c (rest_of_compilation): Call it.
6337 2001-07-15 Richard Henderson <rth@redhat.com>
6339 * config/alpha/alpha.c (alpha_tablejump_addr_vec): New.
6340 (alpha_tablejump_best_label): New.
6341 * config/alpha/alpha-protos.h: Declare them.
6342 * config/alpha/alpha.md: Use braced strings for code blocks.
6343 (tablejump_osf): Break out add with r29.
6344 (tablejump_osf_internal): Remove.
6345 (tablejump_osf_nt_internal): Rename from tablejump_nt_internal,
6346 use alpha_tablejump_addr_vec and alpha_tablejump_best_label.
6348 Sun Jul 15 00:53:35 CEST 2001 Jan Hubicka <jh@suse.cz>
6350 * loop.c (scan_loop): Add USEs inside PARALLELs into dependencies
6353 * toplev.c (rest_of_compilation): Allow new pseudoes for mode switching.
6355 * i386-protos.h (ix86_split_fp_branch): Update prototype.
6356 (ix86_fp_jump_nontrivial_p): New.
6357 * i386.md (fp_jcc_?): Update call of split_fp_branch;
6358 use ix86_fp_jump_nontrivial_p.
6359 * i386.c (ix86_fp_jump_nontrivial_p): New.
6360 (ix86_split_fp_branch): Accept code instead of rtx.
6361 (ix86_expand_compare): Expand comparison early in case
6362 doing so is resonably cheap.
6364 2001-07-15 Nick Clifton <nickc@cambridge.redhat.com>
6366 * config/rs6000/sysv4.h (CPP_ENDIAN_BIG_SPEC): Assert 'endian'
6368 (CPP_ENDIAN_LITTLE_SPEC): Assert 'endian' not 'machine'.
6369 (CPP_ENDIAN_SOLARIS_SPEC): Assert 'endian' not 'machine'.
6371 2001-07-15 Neil Booth <neil@daikokuya.demon.co.uk>
6373 * dbxout.c (dbxout_source_line): Make static, update prototype.
6374 (dbx_debug_hooks, xcoff_debug_hooks): Add new hooks.
6375 (dbxout_init, dbxout_finish, dbxout_source_line,
6376 dbxout_begin_block, dbxout_end_block): Update for new prototypes.
6377 * dbxout.h (dbxout_source_line): Delete.
6378 * debug.c (debug_nothing_file, debug_nothing_file_int,
6379 debug_nothing_file_charstar_rtx): New.
6380 (do_nothing_debug_hooks): Update.
6381 (debug_nothing_void, debug_nothing_charstar_rtx,
6382 dwarf2out_end_epilogue): New.
6383 (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
6384 * debug.h (struct rtx_def): Declare.
6385 (gcc_debug_hooks): New hooks source_line, end_epilogue
6387 (debug_nothing_void, debug_nothing_charstar_rtx,
6388 dwarf2out_end_epilogue): New.
6389 (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
6390 * dwarf2out.c (dwarf2out_source_line): Make static, update prototype.
6391 (dwarf2_debug_hooks): Update.
6392 (dwarf2out_init, dwarf2out_finish, dwarf2out_source_line,
6393 dwarf2out_begin_block, dwarf2out_end_block): Update for new prototypes.
6394 * dwarf2out.h (dwarf2out_source_line): Remove.
6395 * dwarfout.c (dwarfout_end_epilogue, dwarfout_end_function):
6396 Make static, update prototype.
6397 (dwarfout_init, dwarfout_finish, dwarfout_source_line,
6398 dwarfout_begin_block, dwarfout_end_block): Update for new prototypes.
6399 (dwarf_debug_hooks): Update.
6400 * dwarfout.h (dwarfout_end_epilogue, dwarfout_source_line,
6401 dwarfout_end_function): Remove.
6402 * final.c (profile_function): Use debug hooks for ending functions
6404 (output_source_line, final_end_function): Update prototype,
6406 (final_start_function, final_scan_insn): Update.
6407 * output.h (sdb_begin_function_line): Remove.
6408 (final_end_function): Update prototype.
6409 * sdbout.c (sdb_begin_function_line): Make static.
6410 (PUT_SDB_EPILOGUE_END): Move to sdbout_end_epilogue.
6411 (sdbout_source_line): New.
6412 (sdbout_end_epilogue, sdbout_end_function): Make static, update
6414 (sdb_debug_hooks): Update.
6415 (sdbout_init, sdbout_source_line,
6416 sdbout_begin_block, sdbout_end_block): Update for new prototypes.
6417 * sdbout.h (sdbout_end_epilogue, sdbout_end_function): Remove.
6418 * toplev.c (compile_file, rest_of_compilation): Update.
6419 * tree.h (dwarf2out_end_epilogue): Move to debug.h.
6420 * xcoffout.c (xcoffout_source_line, xcoffout_begin_block,
6421 xcoffout_end_block, xcoffout_end_epilogue, xcoffout_end_function):
6422 Update for prototype changes.
6423 * xcoffout.h (xcoffout_source_line, xcoffout_begin_block,
6424 xcoffout_end_block, xcoffout_end_epilogue): Update prototypes.
6426 2001-07-15 Richard Henderson <rth@redhat.com>
6428 * config/alpha/alpha.h (TARGET_ABI_OSF): New.
6429 (TARGET_ABI_WINDOWS_NT, TARGET_ABI_OPEN_VMS): Rename; update users.
6430 * config/alpha/alpha-protos.h: Update TARGET_ABI_* users.
6431 * config/alpha/alpha.c: Likewise.
6432 * config/alpha/alpha.md: Likewise.
6433 * config/alpha/alpha32.h: Likewise.
6434 * config/alpha/vms.h: Likewise.
6437 2001-07-14 Richard Henderson <rth@redhat.com>
6439 * config/alpha/alpha.md: Use define_constants for unspec values.
6440 Substitute throughout.
6442 2001-07-14 Tim Josling <tej@melbpc.org.au>
6444 * tree.def (EXPON_EXPR) remove. Never supported anyway.
6446 2001-07-14 John David Anglin <dave@hiauly1.hia.nrc.ca>
6448 * pa.md: Remove unused constraints from define_split's.
6450 2001-04-14 Richard Henderson <rth@redhat.com>
6452 * ifcvt.c (find_cond_trap): Test for exit block.
6454 Sun Jul 15 00:50:20 CEST 2001 Jan Hubicka <jh@suse.cz>
6456 Re-install recently reverted patch.
6457 * emit-rtl.c (try_split): Update mark_jump_label call.
6458 * flow.c (find_sub_basic_blocks): Likewise.
6459 * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
6461 (mark_all_labels): Kill second parameter.
6462 (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
6463 (rebuild_jump_labels, jump_optimize_minimal): Update call
6465 (jump_optimize_1): Kill crossjumping code.
6466 (mark_jump_label): Kill cross_jump parameter.
6467 * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
6468 (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
6469 * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
6471 * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
6473 (dump_file_info): Likewise.
6474 (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
6475 reorganize passes to do reg-stack first, bb-reorder second.
6476 * invoke.texi (-d letters doc): Remove the jump2 pass.
6478 2001-07-14 Richard Henderson <rth@redhat.com>
6480 * ifcvt.c (find_cond_trap): New.
6481 (find_if_header): Call it.
6482 (merge_if_block): Relax existing jump sanity check.
6483 * jump.c (jump_optimize_1): Remove conditional trap handling.
6485 2001-07-14 Alan Modra <amodra@bigpond.net.au>
6487 * config/pa/pa.c (emit_hpdiv_const): Return reg is r2 for 64-bit
6489 (insn_refs_are_delayed): Correct comment.
6490 * config/pa/pa.h (INSN_REFERENCES_ARE_DELAYED): Likewise.
6491 * config/pa/pa.md (mulsi3): If TARGET_64BIT, clobber r2
6492 instead of r31. Make associated insn !TARGET_64BIT, and
6493 provide an additional 64-bit insn that clobbers r2.
6495 (udivsi3): Likewise.
6497 (umodsi3): Likewise.
6499 Sat Jul 14 02:58:38 CEST 2001 Jan Hubicka <jh@suse.cz>
6501 * bb-reorder.c (skip_insn_after_block): Get past the line number notes.
6503 * flow.c (redirect_edge_and_branch_force, split_edge,
6504 try_crossjump_to_edge): Use set_block_for_new_insns.
6505 * bb-reorder.c (emit_jump_to_block_after): Call set_block_for_new_insns.
6507 2001-07-13 H.J. Lu (hjl@gnu.org)
6509 * config/elfos.h (UNIQUE_SECTION): Enable .bss section with
6512 2001-07-13 Geoffrey Keating <geoffk@redhat.com>
6514 Revert H.J. Lu's UNIQUE_SECTION patch of 2001-07-13.
6516 2001-07-13 Joseph S. Myers <jsm28@cam.ac.uk>
6518 * c-common.c (decl_attributes): Take a pointer to the node to
6519 which attributes are to be attached, and a flags argument.
6520 * c-common.h (enum attribute_flags): New.
6521 (decl_attributes): Update prototype.
6522 * c-decl.c (start_decl, push_parm_decl, finish_struct,
6523 finish_enum, start_function): Update calls to decl_attributes.
6524 * c-parse.in (component_declarator, component_notype_declarator,
6525 label): Update calls to decl_attributes.
6527 Fri Jul 13 23:04:00 2001 Denis Chertykov <denisc@overta.ru>
6529 * config/avr/avr.md (strlenhi): PARALLEL keyword removed.
6530 * config/avr/avr.c (legitimate_address_p): Return value changed
6531 from letter to register classes. For better debugging.
6533 2001-07-13 Kazu Hirata <kazu@hxi.com>
6535 * jump.c (reversed_comparison_code_parts): Fix comment typos.
6537 2001-07-13 H.J. Lu (hjl@gnu.org)
6539 * config/elfos.h (UNIQUE_SECTION): Enable .bss section.
6541 2001-07-13 Marc Espie <espie@cvs.openbsd.org>
6543 * config.gcc (*-*-openbsd*): Add fragment to compile libgcc
6544 correctly for shared configurations.
6545 * config/t-libgcc-pic: New.
6546 * config/{i386,m68k,sparc}/t-openbsd: New.
6547 * config/openbsd.h: Include cpu_spec in cpp_spec where needed.
6548 Support -shared. Support debugging libraries with -g.
6549 * config/i386/openbsd.h: Correct ASM_COMMENT_START. Ensure dwarf2
6550 frame information does not emit pointer diffs.
6551 * config/sparc/openbsd.h: Ensure dwarf2 frame information does not
6554 2001-07-13 Geoffrey Keating <geoffk@redhat.com>
6556 Revert Jan Hubicka's patch of Fri Jul 13 14:46:21 CEST 2001.
6558 2001-07-13 David Edelsohn <edelsohn@gnu.org>
6560 * combine.c (try_combine): Ensure const_int pow2 is positive.
6562 2001-07-13 Hartmut Penner <hpenner@de.ibm.com>
6564 * config.gcc: Add configuration for s/390.
6565 * config/s390/s390.c: New. Subroutines for code generation.
6566 * config/s390/s390.h: New. Definitions for s/390.
6567 * config/s390/s390-protos.h: New. Prototypes.
6568 * config/s390/linux.h: New. Definitions for linux for s/390.
6569 * config/s390/linux64.h: New. Definitions for linux for zSeries.
6570 * config/s390/t-linux: New. Makefile fragment.
6571 * config/s390/s390.md: New. Machine description for s/390 and zSeries.
6572 * config/s390/fixdfdi.h: New. Fix L_fix*di.
6574 Fri Jul 13 14:46:21 CEST 2001 Jan Hubicka <jh@suse.cz>
6576 * emit-rtl.c (try_split): Update mark_jump_label call.
6577 * flow.c (find_sub_basic_blocks): Likewise.
6578 * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
6580 (mark_all_labels): Kill second parameter.
6581 (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
6582 (rebuild_jump_labels, jump_optimize_minimal): Update call
6584 (jump_optimize_1): Kill crossjumping code.
6585 (mark_jump_label): Kill cross_jump parameter.
6586 * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
6587 (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
6588 * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
6590 * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
6592 (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
6593 reorganize passes to do reg-stack first, bb-reorder second.
6594 * invoke.texi (-d letters doc): Remove the jump2 pass.
6596 2001-07-12 Steve Ellcey <sje@cup.hp.com>
6598 * toplev.c (compile_file): Put call of ASM_FILE_START inside ifdef.
6600 Thu Jul 12 17:57:16 CEST 2001 Jan Hubicka <jh@suse.cz>
6602 * flow.c (try_optimize_cfg): Delete whole chain of trivially dead
6604 (verify_flow_info): Make diagnostics prettier.
6606 Thu Jul 12 16:48:54 CEST 2001 Jan Hubicka <jh@suse.cz>
6608 * flow.c (find_basic_blocks_1): Do not emit NOP after call.
6610 * flow.c (outgoing_edges_match): Return early if condition reversal
6613 2001-07-06 Richard Sandiford <rsandifo@redhat.com>
6615 * config/mips/mips.c (print_operand): Extend '%D' to memory operands.
6616 (mips_move_2words): When splitting a move into two instructions,
6617 prefix the second address operand with '%D'.
6619 2001-07-12 Neil Booth <neil@daikokuya.demon.co.uk>
6621 * Makefile.in (final.o): Depend on debug.h.
6622 * dbxout.c (dbxout_begin_block, dbxout_end_block): New.
6623 (dbx_debug_hooks): Add new hooks.
6624 (xcoff_debug_hooks): New.
6625 * debug.c (debug_nothing_file_int_int): New.
6626 (do_nothing_debug_hooks): Update.
6627 * debug.h (gcc_debug_hooks): New hooks begin_block and end_block.
6628 (debug_nothing_file_int_int): New.
6629 * dwarf2out.c (dwarf2out_begin_block, dwarf2out_end_block): Make
6630 static, update prototype.
6631 (dwarf2_debug_hooks): Update.
6632 * dwarf2out.h (dwarf2out_begin_block, dwarf2out_end_block): Remove.
6633 * dwarfout.c (dwarfout_begin_block, dwarfout_end_block): Make
6634 static, update prototype.
6635 (dwarf_debug_hooks): Update.
6636 * dwarfout.h (dwarfout_begin_block, dwarfout_end_block): Remove.
6637 * final.c: Include debug.h.
6638 (final_scan_insn): Use debug hooks when beginning and ending blocks.
6639 * sdbout.c (sdbout_begin_block, sdbout_end_block): Make
6640 static, update prototype.
6641 (sdb_debug_hooks): Update.
6642 * sdbout.h (sdbout_begin_block, sdbout_end_block): Remove.
6643 * toplev.c: Distinguish between xcoff and dbx.
6645 * f/lex.c (ffelex_file_pop_, ffelex_file_push_, ffelex_hash_):
6646 Call all debug hooks, not just dwarf ones.
6648 2001-07-11 Timothy Wall <twall@redhat.com>
6650 * config.gcc: Add configuration for AIX5/IA64.
6651 * config/ia64/aix.h: New. AIX5/IA64-specific configuration.
6652 * config/ia64/crt[in].asm: New. Generic static ctor/dtor
6653 support prefix/suffix code.
6654 * config/ia64/t-aix: New. Makefile fragment.
6655 * config/ia64/unwind-aix.c: New. Unwind table entry lookup.
6657 2001-07-11 Kazu Hirata <kazu@hxi.com>
6659 * recog.c (validate_change): Fix a comment typo.
6661 2001-07-11 Neil Booth <neil@daikokuya.demon.co.uk>
6663 * Makefile.in (c-lex.o): Wrap long lines. Depend on debug.h.
6664 * c-lex.c (cb_file_change, cb_define, cb_undef): Use debug
6666 * dbxout.c (dbx_debug_hooks): Add new hooks.
6667 (dbxout_start_new_source_file): Rename dbxout_start_source_file,
6669 (dbxout_resume_previous_source_file): Rename dbxout_end_source_file,
6671 * dbxout.h (dbxout_start_new_source_file,
6672 dbxout_resume_previous_source_file): Delete.
6673 * debug.c (do_nothing_debug_hooks): Add new hooks.
6674 (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
6675 (debug_nothing_int_charstar, debug_nothing_int): New.
6676 * debug.h (gcc_debug_hooks): New hooks define, undef,
6677 start_source_file and end_source_file.
6678 (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
6679 (debug_nothing_int_charstar, debug_nothing_int): New.
6680 * dwarf2out.c (dwarf2_debug_hooks): Add new hooks. Move into
6681 the conditionally compiled section.
6682 (dwarf2out_start_source_file, dwarf2out_end_source_file,
6683 dwarf2out_define, dwarf2out_undef): Make static.
6684 * dwarf2out.h (dwarf2out_start_source_file, dwarf2out_end_source_file,
6685 dwarf2out_define, dwarf2out_undef): Remove.
6686 * dwarfout.c (dwarf_debug_hooks): Add new hooks.
6687 (dwarfout_start_source_file, dwarfout_end_source_file,
6688 dwarfout_define, dwarfout_undef): Make static.
6689 (dwarfout_start_source_file_check,
6690 dwarfout_end_source_file_check): New.
6691 (dwarfout_define, dwarfout_finish): Update.
6692 * dwarfout.h (dwarfout_start_new_source_file,
6693 dwarfout_resume_previous_source_file, dwarfout_define,
6694 dwarfout_undef): Remove.
6695 * sdbout.c (sdb_debug_hooks): Add new hooks.
6696 (sdbout_start_new_source_file): Rename sdbout_start_source_file,
6698 (sdbout_resume_previous_source_file): Rename sdbout_end_source_file,
6699 make static, take an arg.
6700 * sdbout.h (sdbout_start_new_source_file,
6701 sdbout_resume_previous_source_file): Delete.
6702 * toplev.c (debug_start_source_file, debug_end_source_file,
6703 debug_define, debug_undef): Delete.
6704 * toplev.h (debug_start_source_file, debug_end_source_file,
6705 debug_define, debug_undef): Delete.
6707 * java/jcf-parse.c: Include debug.h.
6708 (parse_class_file): Update to use debug hooks directly.
6709 * java/Make-lang.in (jcf-parse.o): Depend on debug.h.
6711 Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6713 * alias.c (set_mem_alias_set): New function.
6714 * rtl.h (set_mem_alias_set): Declare it.
6715 * builtins.c (expand_builtin_return_addr): Call it instead of
6716 using MEM_ALIAS_SET accessor.
6717 (expand_builtin_setjmp_setup, expand_builtin_longjmp): Likewise.
6718 (get_memory_rtx, expand_builtin_va_arg): Likewise.
6719 (expand_builtin_va_copy):Likewise.
6720 * caller-save.c (setup_save_areas): Likewise.
6721 * calls.c (compute_argument_addresses): Likewise.
6722 * explow.c (set_mem_attributes): Likewise.
6723 * expr.c (emit_single_push_insn, emit_push_insn): Likewise.
6724 (expand_assignment, store_constructor_field, store_field): Likewise.
6725 (expand_expr_unaligned): Likewise.
6726 * function.c (assign_stack_temp_for_type): Likewise.
6727 (put_reg_into_stack, gen_mem_addressof): Likewise.
6728 * ifcvt.c (noce_try_cmove_arith): Likewise.
6729 * reload1.c (reload, alter_reg): Likewise.
6730 * config/alpha/alpha.c (get_aligned_mem): Likewise.
6731 (alpha_set_memflags_1, alpha_expand_unaligned_load): Likewise.
6732 (alpha_expand_unaligned_store): Likewise
6733 (alpha_expand_unaligned_load_words): Likewise.
6734 (alpha_expand_unaligned_store_words): Likewise.
6735 (alpha_expand_block_clear, alpha_expand_prologue): Likewise.
6736 (alpha_expand_epilogue): Likewise.
6737 * config/arc/arc.c (arc_setup_incoming_varargs): Likewise.
6738 * config/clipper/clipper.c (clipper_builtin_saveregs): Likewise.
6739 * config/i386/i386.c (legitimize_pic_address): Likewise.
6740 * config/i960/i960.c (setup_incoming_varargs): Likewise.
6741 * config/ia64/ia64.c (spill_restore_mem): Likewise.
6742 * config/m32r/m32r.c (m32r_setup_incoming_varargs): Likewise.
6743 * config/m8k/m88k.c (m88k_builtin_saveregs): Likewise.
6744 * config/mips/mips.c (mips_va_arg): Likewise.
6745 * config/mn10300/mn10300.c (mn10300_builtin_saveregs): Likewise.
6746 * config/pa/pa.c (hppa_builtin_saveregs): Likewise.
6747 * config/rs6000/rs6000.c (rs6000_emit_move): Likewise.
6748 (setup_incoming_varargs, rs6000_va_arg): Likewise.
6749 (rs6000_emit_eh_toc_restore, rs6000_emit_prologue): Likewise.
6750 (rs6000_emit_epilogue): Likewise.
6751 * config/sh/sh.c (sh_builtin_saveregs): Likewise.
6752 * config/sparc/sparc.c (sparc_va_arg): Likewise.
6753 * config/v850/v850.c (v850_va_arg): Likewise.
6755 Wed Jul 11 21:27:25 CEST 2001 Jan Hubicka <jh@suse.cz>
6757 * flow.c (merge_blocks_move_successor_nojumps): Do not crash
6758 when fallthru edge is present.
6759 (mege_blocks): Handle case where creation of jump insn
6762 * basic-block.h (CLEANUP_EXPENSIVE, CLEANUP_CROSSJUMP,
6763 CLEANUP_POST_REGSTACK): New constants.
6764 * except.c (finish_eh_generation): Update call of cleanup_cfg,
6765 * jump.c (rtx_renumbered_equal_p): Handle 't' fields.
6766 * output.h (cleanup_cfg): Update prototype.
6767 * reg-stack.c (reg_to_stack): Use cleanup_cfg instead of jump_optimize
6768 * sibcall.c (optimize_sibling_and_tail_recursive_call): Update
6769 cleanup_cfg call; kill missleading comment.
6770 * toplev.c (rest_of_compilation): Update all cleanup_cfg calls.
6771 * flow.c (merge_blocks, try_optimize_cfg, cleanup_cfg): Accept mode
6772 parameter; control optimizations performed using it.
6773 (flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
6774 try_crossjump_bb): New functions.
6776 2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
6778 * pa.c (pa_output_function_prologue): Delete prototype. Make function
6780 * pa.h (ASM_OUTPUT_MI_THUNK): Rename output_function_prologue to
6781 pa_output_function_prologue.
6782 * pa-protos.h (pa_output_function_prologue): New prototype.
6784 2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
6786 * stmt.c (emit_case_nodes): Widen high and low instead of new_bound
6787 and low to get correct sign extension in low+high test.
6789 2001-07-11 Janis Johnson <janis@us.ibm.com>
6791 * gcov.c (arcdata): Use gcov_type to fix branch percentage
6792 for large hit count.
6794 * profile.c (branch_prob): Fix .bbg info for computed gotos
6797 2001-07-11 Mark Mitchell <mark@codesourcery.com>
6799 * stmt.c (parse_output_constraint): New function, split out
6801 (expand_asm_operands): ... here. Use parse_output_constraint.
6802 * tree.h (parse_output_constraint): Declare it.
6804 2001-07-11 Richard Henderson <rth@redhat.com>
6806 * bitmap.c: Comment some functions; fiddle whitespace.
6807 (bitmap_free): Don't export.
6808 (bitmap_element_allocate): Use memset.
6809 * bitmap.h (bitmap_free): Don't declare.
6811 2001-07-11 Daniel Berlin <dan@cgsoftware.com>
6813 * gcse.c, lcm.c, sched-deps.c:
6814 s/free on sbitmap vectors/sbitmap_vector_free on sbitmap vectors/g
6816 * flow.c (flow_loops_find): Free dom if we found no loops, since
6817 we aren't going to save it.
6819 * lcm.c (pre_edge_rev_lcm): Free st_antin, st_antout when we are
6822 Wed Jul 11 09:00:48 2001 Jeffrey A Law (law@cygnus.com)
6824 * ssa-ccp.c (ssa_fast_dce): Free worklist when completed.
6826 Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6828 * dwarf2out.c (dwarf2out_init, dwarf2out_finish): Add dummy version
6829 #ifndef DWARF2_DEBUGGING_INFO.
6831 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
6833 * simplify-rtx.c (simplify_gen_subreg): Return null for QUEUED rtxes.
6835 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
6837 * config/mips/mips.c (gen_int_relational): Tell the caller not to
6838 reverse a branch if a NE comparison is implemented with GTU.
6840 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
6841 H.J. Lu <hjl@gnu.org>
6843 * mips.md (call_internal1): Use CONSTANT_ADDRESS_P to check for
6845 (call_internal2): Likewise.
6846 (call_value_internal1): Likewise.
6847 (call_value_internal2): Likewise.
6848 (call_value_multiple_internal1): Likewise.
6849 (call_value_multiple_internal2): Likewise.
6851 2001-07-10 Kazu Hirata <kazu@hxi.com>
6853 * calls.c (emit_library_call_value_1): Fix a comment typo.
6854 * dwarf2out.c (mem_loc_descriptor): Likewise.
6855 * config/i386/i386.c (ix86_expand_aligntest): Likewise.
6857 2001-07-11 David Billinghurst <David.Billinghurst@riotinto.com>
6859 * simplify-rtx.c (simplify_subreg): Fix typo in comment
6861 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6863 * recog.c (offsettable_address_p): Handle LO_SUM case.
6864 * config/mips/mips.c (double_memory_operand): Use adjust_address_nv
6865 instead of plus_constant.
6867 2001-07-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6869 * reload1.c (merge_assigned_reloads): After a RELOAD_OTHER merge,
6870 fix setting of the reloads of that reload to RELOAD_FOR_OTHER_ADDRESS.
6872 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6874 * config/rs6000/rs6000.c (print_operand, case 'L', 'Y', 'Z'): Use
6875 adjust_address_nv instead of plus_constant.
6877 2001-07-10 Neil Booth <neil@daikokuya.demon.co.uk>
6879 * Makefile.in (toplev.o, sdbout.o, dbxout.o, dwarfout.o,
6880 dwarf2out.o): Depend on debug.h, wrap long lines.
6881 * dbxout.c: Include debug.h.
6882 (dbx_debug_hooks): New.
6883 (dbxout_init): Make static, take just 2 args.
6884 (dbxout_finish): Make static.
6885 * dbxout.h (dbxout_init, dbxout_finish): Delete.
6886 * debug.c: New file.
6887 * debug.h: New file.
6888 * dwarf2out.c: Include debug.h.
6889 (dwarf2_debug_hooks): New.
6890 (dwarf2out_init): Make static.
6891 (dwarf2out_finish): Make static, take 2 args.
6892 * dwarf2out.h (dwarf2out_init, dwarf2out_finish): Delete.
6893 * dwarfout.c: Include debug.h.
6894 (dwarf_debug_hooks): New.
6895 (dwarfout_init): Make static.
6896 (dwarfout_finish): Make static, take 2 args.
6897 * dwarfout.h (dwarfout_init, dwarfout_finish): Delete.
6898 * sdbout.c: Include debug.h.
6899 (sdb_debug_hooks): New.
6900 (sdbout_init): Make static, take 2 args.
6901 * sdbout.h (sdbout_init): Delete.
6902 * toplev.c: Include debug.h.
6904 (compile_file): Set deubg_hooks based on command line options.
6905 Use the hooks unconditionally rather than conditional compilation.
6907 Tue Jul 10 09:04:45 2001 Jeffrey A Law (law@cygnus.com)
6909 * ssa-ccp.c (first_phi_node): Remove. Replace uses with calls to
6910 first_insn_after_basic_block_note instead.
6912 * df.c (df_bb_refs_unlink): #if 0 out for now.
6914 2001-07-10 David Billinghurst <David.Billinghurst@riotinto.com
6916 * ssa.h: Add prototype for ssa_const_prop
6917 * ssa-ccp.c: Add prototype for ssa_fast_dce and mark_references
6918 (ssa_ccp_substitute_constants): Fix signed vs unsigned comparison
6919 (ssa_fast_dce): Remove unused variable
6921 2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
6923 * diagnostic.c (finish_diagnostic): Rename to
6924 diagnostic_finish. Make it take an 'output_buffer *'. Adjust
6927 2001-07-10 Jason Merrill <jason_merrill@redhat.com>
6929 * dwarf2out.c (dwarf2out_line): Emit -dA comment even when we have
6932 * collect2.c (main): Set COLLECT_NO_DEMANGLE for subprocesses.
6933 (dump_file): Only pad the demangled name with spaces if the
6934 mangled name was padded with spaces.
6936 2001-07-10 Bernd Schmidt <bernds@redhat.com>
6938 * bb-reorder.c (make_reorder_chain_1): Correct branch/fallthru
6941 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6943 * expr.c (expand_expr, case COMPONENT_REF): Don't force using bitfield
6944 extraction if no direct load if either EXPAND_CONST_ADDRESS or
6947 * emit-rtl.c (adjust_address, adjust_address_nv): Change criteria for
6948 whether can put offset inside LO_SUM to check mode alignment, not size.
6950 2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
6952 * doc/tm.texi (Misc): Fix thinko.
6954 2001-07-10 Jan van Male <jan.vanmale@fenk.wau.nl>
6956 * regmove.c (replace_in_call_usage): Fix warnings.
6957 * sched-deps.c (add_dependence): Fix warnings.
6958 * simplify-rtx.c (simplify_subreg): Likewise.
6959 Return NULL_RTX instead of NULL.
6961 * reg-stack.c (emit_swap_insn): Eliminate warnings.
6962 (subst_asm_stack_regs): Likewise.
6964 * combine.c (num_sign_bit_copies): Cast bitwidth to int to avoid
6967 * dwarf2out.c (output_call_frame_info): Declare i as int.
6968 (build_abbrev_table): Declare n_alloc as int.
6969 (dwarf2out_finish): Initialize die.
6970 * except.c: Declare sjlj_funcdef_number as unsigned.
6971 (connect_post_landing_pads): Declare j as unsigned.
6972 (convert_to_eh_region_ranges): Initialize call_site.
6973 (output_function_exception_table): Initialize tt_format_size.
6974 * expr.c (move_by_pieces_1): Initialize to1.
6975 (store_constructor): Initialize minelt and maxelt.
6976 * flow.c (mark_regs_live_at_end): Declare i as unsigned.
6977 * function.c (instantiate_decls): Avoid signed/unsigned warning.
6979 * c-decl.c (combine_parm_decls): Unused, remove.
6980 * c-tree.h: Remove prototype for combine_parm_decls.
6982 * reload.c (push_reload): Fix warning.
6983 (regno_clobbered_p): Likewise.
6984 * reload1.c (replace_pseudos_in_call_usage): Likewise.
6985 (reload_combine): Likewise.
6987 * bitmap.c: Rename bitmap_zero to bitmap_zero_bits to fix warnings.
6988 * bitmap.h: Rename bitmap_zero to bitmap_zero_bits to fix
6990 * bitmap.c (bitmap_operation): Change user.
6991 * bitmap.h (EXECUTE_IF_AND_COMPL_IN_BITMAP): Likewise.
6993 2001-07-10 Eric Christopher <echristo@redhat.com>
6995 * config/mips/mips.c (override_options): Fix typo.
6997 2001-07-09 Stan Shebs <shebs@apple.com>
6999 * target.h (struct gcc_target): New fields init_builtins and
7001 * target-def.h (TARGET_INIT_BUILTINS): New macro.
7002 (TARGET_EXPAND_BUILTIN): New macro.
7003 (TARGET_INITIALIZER): Add them.
7004 * builtins.c: Include target.h.
7005 (expand_builtin): Use targetm.expand_builtin.
7006 (default_init_builtins): New function.
7007 (default_expand_builtin): New function.
7008 * expr.h (default_init_builtins): Declare.
7009 (default_expand_builtin): Declare.
7010 * c-common.c (c_common_nodes_and_builtins): Use
7011 targetm.init_builtins.
7012 * defaults.h (MD_INIT_BUILTINS): Remove.
7013 * Makefile.in (builtins.o): Depend on target.h.
7015 * config/arm/arm.c (TARGET_INIT_BUILTINS): Define.
7016 (TARGET_EXPAND_BUILTIN): Define.
7017 * config/arm/arm.h (MD_INIT_BUILTINS): Remove.
7018 (MD_EXPAND_BUILTIN): Remove.
7020 * config/c4x/c4x.c (TARGET_INIT_BUILTINS): Define.
7021 (TARGET_EXPAND_BUILTIN): Define.
7022 (c4x_init_builtins): Make endlink arg a local.
7023 (c4x_print_operand): Fix typos in adjust_address usages.
7024 * config/c4x/c4x-protos.h (c4x_init_builtins): Update decl.
7025 * config/c4x/c4x.h (MD_INIT_BUILTINS): Remove.
7026 (MD_EXPAND_BUILTIN): Remove.
7028 * config/i386/i386.c (TARGET_INIT_BUILTINS): Define.
7029 (TARGET_EXPAND_BUILTIN): Define.
7030 (ix86_init_mmx_sse_builtins): New function, was ix86_init_builtins.
7031 (ix86_init_builtins): Call new function only if TARGET_MMX.
7032 * config/i386/i386-protos.h (ix86_init_mmx_sse_builtins): Declare.
7033 * config/i386/i386.h (MD_INIT_BUILTINS): Remove.
7034 (MD_EXPAND_BUILTIN): Remove.
7036 * config/ia64/ia64.c (TARGET_INIT_BUILTINS): Define.
7037 (TARGET_EXPAND_BUILTIN): Define.
7038 * config/ia64/ia64.h (MD_INIT_BUILTINS): Remove.
7039 (MD_EXPAND_BUILTIN): Remove.
7041 * doc/tm.texi: Document these changes.
7043 2001-07-09 Diego Novillo <dnovillo@redhat.com>
7045 * basic-block.h (tree_node): Forward declare if needed.
7046 (struct basic_block_def): Add fields 'head_tree' and 'end_tree'.
7047 (BLOCK_HEAD_TREE): Define.
7048 (BLOCK_END_TREE): Define.
7049 (struct loops): Rename field 'tree' to 'tree_root'.
7050 * flow.c (entry_exit_blocks): Add initializers for 'head_tree' and
7052 (flow_loops_tree_build): Rename reference to field 'tree' to
7054 (flow_loops_level_compute): Ditto.
7055 * predict.c (estimate_bb_frequencies): Ditto.
7056 * tree.h (struct tree_common): Add field 'aux'.
7058 2001-07-09 Stan Shebs <shebs@apple.com>
7060 * config/darwin.c (darwin_encode_section_info): Don't mark any
7061 DECL_EXTERNAL node as defined.
7063 2001-07-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
7065 * pa.c (pa_init_machine_status, pa_mark_machine_status,
7066 pa_free_machine_status, hppa_init_pic_save): Delete.
7067 (hppa_pic_save_rtx): New. Use get_hard_reg_initial_val.
7068 (hppa_profile_hook): Use hppa_pic_save_rtx.
7069 * pa.h (struct machine_function, PIC_OFFSET_TABLE_SAVE_RTX,
7070 hppa_init_pic_save): Delete.
7071 (hppa_pic_save_rtx): Declare.
7072 * pa.md (call, call_value, sibcall, sibcall_value,
7073 builtin_setjmp_receiver): Use hppa_pic_save_rtx.
7075 2001-07-09 Kazu Hirata <kazu@hxi.com>
7077 * config/h8300/t-h8300 (LIB1ASMFUNCS): Add _floatdisf and _fixsfdi.
7078 * config/mn10200/t-mn10200 (LIB1ASMFUNCS): Likewise.
7080 2001-07-09 Andreas Jaeger <aj@suse.de>
7082 * output.h: Add declaration of final_forward_branch_p.
7084 * config/i386/i386.c (output_fix_trunc): Remove unused variable.
7086 * varray.c: Include errors.h for internal_error and trim_filename
7089 * Makefile.in (varray.o): Add errors.h.
7091 2001-07-09 Toon Moene <toon@moene.indiv.nluug.nl>
7093 * expr.h: Adjust prototypes for have_add2_insn, have_sub2_insn.
7094 * optabs.c (have_add2_insn): Check whether the add insn chosen
7095 really accepts the operands. (have_sub2_insn): Ditto for sub insn.
7096 * reload1.c (reload_cse_move2add): Adjust calls of have_add2_insn.
7098 Mon Jul 9 13:26:40 2001 Jeffrey A Law (law@cygnus.com)
7100 * Makefile.in (OBJS): Add ssa-ccp.o
7101 (ssa-ccp.o): Add dependencies.
7102 * toplev.c (DFI_ssa_ccp): New dump file enum.
7103 (dump_file): Add entry for dumping after SSA CCP.
7104 (flag_ssa_ccp): New flag variable.
7105 (f_options): Add -fssa-ccp.
7106 (rest_of_compilation): Run SSA CCP if requested.
7107 * timevar.def (TV_SSA_CCP): New timevar.
7108 * ssa.c (mark_phi_and_copy_regs): Handle deleted PHI nodes.
7109 * doc/gcc.texi (Passes): Add documentation for SSA CCP pass.
7110 Fix minor typo in SSA DCE documentation.
7111 * doc/invoke.texi: Add documentation for new flag -fssa-ccp.
7112 Add documentation for new dump option. Renumber dump files
7115 Mon Jul 9 21:36:00 CEST 2001 Jan Hubicka <jh@suse.cz>
7117 * emit-rtl.c (gen_highpart_mode): New.
7118 * rtl.h (gen_highpart_mode): Declare.
7119 * sparc.md (insn splitters): Use gen_highpart_mode, whenever the
7120 operand can be VOIDmode constant.
7122 Mon Jul 9 17:23:10 CEST 2001 Jan Hubicka <jh@suse.cz>
7124 * flow.c (redirect_edge_and_branch_force): New.
7125 (can_fallthru): Ensure that basic blocks are succeeding.
7126 (try_optimize_cfg): Do not delete basic block if it is the last one.
7128 * flow.c (try_redirect_by_replacing_jump): Do not remove
7129 jumps with side effects, unlink chain on fallthru edge;
7130 set block for new jump instruction; avoid basic block to
7131 over by line number note.
7133 * flow.c (try_simplify_condjump): Verify that the condjump
7134 is not always falling trought.
7137 * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
7139 * flow.c (forwarder_block_p): Fix for fallthru blocks.
7140 (try_redirect_by_replacing_jump): Update properly the count
7141 and frequency information.
7143 Mon Jul 9 06:41:07 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7145 * emit-rtl.c (adjust_address, adjust_address_nv): Handle an
7146 address that is a LO_SUM specially.
7147 * explow.c (plus_constant_wide, case LO_SUM): Deleted.
7149 * c-lang.c (start_cdtor): Remove extra parameter from start_function.
7151 * emit-rtl.c (adjust_address_nv, replace_equiv_address_nv): New fcns.
7152 (operand_subword): Use them.
7153 (change_address_1): Renamed from change_address; new arg VALIDATE.
7154 * expr.h: Reflect above changes; change_address now macro.
7155 * alias.c (canon_rtx): Use replace_equiv_address_nv instead of
7157 * cselib.c (add_mem_for_addr): Likewise.
7158 * expr.c (protect_from_queue, emit_move_insn_1): Likewise.
7159 * regmove.c (try_apply_stack_adjustment): Likewise.
7160 * reload.c (push_reload, make_memloc): Likewise.
7161 * reload1.c (eliminate_regs): Likewise.
7162 * simplify-rtx.c (simplify_replace_rtx): Likewise.
7163 * caller-save.c (setup_save_areas): Use adjust_address_nv instead of
7165 * combine.c (make_extraction, simplify_shift_const): Likewise.
7166 (gen_lowpart_for_combine): Likewise.
7167 * cse.c (gen_lowpart_if_possible): Likewise.
7168 * function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
7169 * expr.c (expand_expr, case COMPONENT_REF): Likewise.
7170 * optabs.c (gen_move_insn): Likewise.
7171 * reload1.c (alter_reg): Likewise.
7172 * simplify-rtx.c (simplify_subreg): Likewise.
7173 * stmt.c (expand_anon_union_decl): Likewise.
7174 * recog.c (validate_replace_rtx_1): Likewise.
7176 * Makefile.in (recog.o): Add $(EXPR_H).
7177 * explow.c (stabilize): Call replace_equiv_address.
7178 * expr.c (move_by_pieces_1, store_by_pieces_2): Likewise.
7179 * final.c (alter_subreg): OFFSET is HOST_WIDE_INT.
7181 2001-07-03 Andrew Haley <aph@redhat.com>
7183 * expmed.c (store_fixed_bit_field): Don't use a mode bigger than
7184 the mode of the memory location.
7186 2001-07-09 Bo Thorsen <bo@suse.co.uk>
7188 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix x86-64 vtable support.
7190 2001-07-09 Neil Booth <neil@daikokuya.demon.co.uk>
7192 * final.c (output_addr_const): Use target opening and
7193 closing parentheses.
7194 * target-def.h: Define TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN
7195 defaults, add to TARGET_ASM_OUT.
7196 * target.h (struct gcc_target): Add open_paren and close_paren.
7197 * doc/md.texi: Update.
7198 * doc/tm.texi: Document TARGET_ASM_FUNCTION_END_PROLOGUE,
7199 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE, TARGET_ASM_OPEN_PAREN and
7200 TARGET_ASM_CLOSE_PAREN.
7201 * config/i386/i386.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
7203 * config/pdp11/pdp11.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
7205 * config/1750a/1750a.h (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): Remove.
7206 * config/a29k/a29k.h: Similarly.
7207 * config/alpha/alpha.h: Similarly.
7208 * config/arc/arc.h: Similarly.
7209 * config/arm/aof.h: Similarly.
7210 * config/arm/aout.h: Similarly.
7211 * config/avr/avr.h: Similarly.
7212 * config/c4x/c4x.h: Similarly.
7213 * config/clipper/clipper.h: Similarly.
7214 * config/convex/convex.h: Similarly.
7215 * config/d30v/d30v.h: Similarly.
7216 * config/dsp16xx/dsp16xx.h: Similarly.
7217 * config/elxsi/elxsi.h: Similarly.
7218 * config/fr30/fr30.h: Similarly.
7219 * config/h8300/h8300.h: Similarly.
7220 * config/i370/i370.h: Similarly.
7221 * config/i386/i386.h: Similarly.
7222 * config/i860/i860.h: Similarly.
7223 * config/i960/i960.h: Similarly.
7224 * config/ia64/ia64.h: Similarly.
7225 * config/m32r/m32r.h: Similarly.
7226 * config/m68hc11/m68hc11.h: Similarly.
7227 * config/m68k/m68k.h: Similarly.
7228 * config/m88k/m88k.h: Similarly.
7229 * config/mcore/mcore.h: Similarly.
7230 * config/mips/mips.h: Similarly.
7231 * config/mn10200/mn10200.h: Similarly.
7232 * config/mn10300/mn10300.h: Similarly.
7233 * config/ns32k/ns32k.h: Similarly.
7234 * config/pa/pa.h: Similarly.
7235 * config/pdp11/pdp11.h: Similarly.
7236 * config/pj/pj.h: Similarly.
7237 * config/romp/romp.h: Similarly.
7238 * config/rs6000/rs6000.h: Similarly.
7239 * config/sh/sh.h: Similarly.
7240 * config/sparc/sparc.h: Similarly.
7241 * config/v850/v850.h: Similarly.
7242 * config/vax/vax.h: Similarly.
7243 * config/we32k/we32k.h: Similarly.
7245 2001-07-09 Joseph S. Myers <jsm28@cam.ac.uk>
7247 * doc/c-tree.texi: Document representation of attributes.
7249 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
7251 * doc/tm.texi: Update some places for the rename of target to
7254 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
7256 * target.h (struct gcc_target): Add insert_attributes.
7257 * target-def.h (TARGET_INSERT_ATTRIBUTES): Define.
7258 (TARGET_INITIALIZER): Update.
7259 * tree.c, tree.h (default_insert_attributes): New function.
7260 Update comments on other default functions to refer to targetm,
7262 * doc/tm.texi (INSERT_ATTRIBUTES): Update to document
7263 TARGET_INSERT_ATTRIBUTES.
7264 (SET_DEFAULT_DECL_ATTRIBUTES): Remove.
7265 * c-common.c (decl_attributes): Use targetm.insert_attributes.
7266 Don't use PRAGMA_INSERT_ATTRIBUTES.
7267 * Makefile.in (c-common.o): Depend on $(TARGET_H).
7268 * c-decl.c (start_decl, start_function): Don't call
7269 SET_DEFAULT_DECL_ATTRIBUTES.
7270 * config/c4x/c4x.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
7271 * config/c4x/c4x-protos.h (c4x_set_default_attributes): Don't
7273 * config/c4x/c4x.c (TARGET_INSERT_ATTRIBUTES): Define.
7274 (c4x_check_attribute): Avoid modifying attribute list itself.
7275 (c4x_set_default_attributes): Rename to c4x_insert_attributes.
7277 * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Don't define.
7278 * config/sh/sh-protos.h (sh_pragma_insert_attributes): Don't
7280 * config/sh/sh.c (TARGET_INSERT_ATTRIBUTES): Define.
7281 (sh_pragma_insert_attributes): Rename to sh_insert_attributes.
7283 * config/v850/v850.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
7284 * config/v850/v850-protos.h (v850_set_default_decl_attr): Don't
7286 * config/v850/v850.c (TARGET_INSERT_ATTRIBUTES): Define.
7287 (v850_set_default_decl_attr): Rename to v850_insert_attributes.
7288 Adjust parameters. Make static.
7290 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
7292 * c-common.c (decl_attributes): Only take a single attributes
7294 * c-common.h (decl_attributes): Update prototype.
7295 * c-decl.c (start_decl, start_function): Only take a single
7296 attributes parameter. Update calls to decl_attributes.
7297 (finish_struct, finish_enum): Update calls to decl_attributes.
7298 (push_parm_decl): Expect unified list of attributes. Update call
7300 * c-parse.in (fndef, initdcl, notype_initdcl, nested_function,
7301 notype_nested_function, component_declarator,
7302 component_notype_declarator, label): Update calls to
7304 (absdcl_maybe_attribute, parm, firstparm, myparm): Unify attribute
7305 lists that are passed to push_parm_decl.
7306 * c-tree.h (start_function, start_decl): Update prototypes.
7307 * config/sh/sh-protos.h, config/sh/sh.c
7308 (sh_pragma_insert_attributes): Only take a single attributes
7310 * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Likewise.
7311 * doc/tm.texi (INSERT_ATTRIBUTES): Update.
7312 * objc/objc-act.c (define_decl, generate_objc_symtab_decl,
7313 build_module_descriptor, generate_static_references,
7314 generate_strings, build_selector_translation_table,
7315 generate_descriptor_table, generate_protocols,
7316 generate_ivars_list, generate_dispatch_table,
7317 generate_protocol_list, generate_category,
7318 generate_shared_structures, really_start_method, add_objc_decls,
7319 generate_classref_translation_entry): Update calls to start_decl
7321 (build_tmp_function_decl, start_method_def): Unify attribute lists
7322 that are passed to push_parm_decl.
7324 2001-07-08 Neil Booth <neil@daikokuya.demon.co.uk>
7326 * final.c (no_asm_to_stream): New.
7327 (final_scan_insn): Use target structures for prologue ends
7328 and epilogue starts.
7329 * output.h (no_asm_to_stream): New.
7330 * target-def.h (TARGET_ASM_FUNCTION_END_PROLOGUE,
7331 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE): New.
7332 (TARGET_ASM_OUT): Update.
7333 * target.h (struct gcc_target): New members function_end_prologue
7334 and function_begin_epilogue.
7335 * config/1750/1750.h (ASM_OUTPUT_FUNNAM): Delete as unused.
7336 * config/alpha/alpha-protos.h (output_end_prologue): Delete.
7337 * config/alpha/alpha.c (output_end_prologue): Rename to
7338 alpha_output_function_end_prologue. Use in target struct
7340 * config/alpha/alpha.h (FUNCTION_END_PROLOGUE): Delete.
7341 * config/ia64/ia64-protos.h (ia64_output_end_prologue): Delete.
7342 * config/ia64/ia64.c (ia64_output_end_prologue): Rename to
7343 ia64_output_function_end_prologue. Use in target struct
7345 (ia64_function_prologue, ia64_funciton_epilogue): Rename
7346 mistyped prototypes.
7347 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE): Delete.
7348 * config/m88k/m88k-protos.h (m88k_end_prologue, m88k_begin_epilogue):
7350 * config/m88k/m88k.c (m88k_end_prologue, m88k_begin_epilogue): Rename
7351 an use in target struct, make static.
7352 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE, FUNCTION_BEGIN_EPILOGUE):
7355 2001-07-08 Richard Henderson <rth@redhat.com>
7357 * stmt.c (emit_case_nodes): Convert modes properly in low+high test.
7359 2001-07-08 Richard Henderson <rth@redhat.com>
7361 * config/i386/i386.md: Remove constraints strings from define_split
7362 and define_peephole2 patterns.
7363 (eh_return_si, eh_return_di): Split eh_return_1 for modes.
7364 (eh_return): Use them.
7366 2001-07-08 Richard Henderson <rth@redhat.com>
7368 * doc/tm.texi (Exception Handling): New subnode of Stack and Calling.
7369 Document MD_FALLBACK_FRAME_STATE_FOR.
7371 2001-07-07 Stephane Carrez <Stephane.Carrez@worldnet.fr>
7373 * config/m68hc11/m68hc11.c (m68hc11_initial_elimination_offset):
7374 Take into account m68hc11_sp_correction for FRAME_POINTER_REGNUM
7376 * config/m68hc11/m68hc11.h (STARTING_FRAME_OFFSET): Use 0.
7378 2001-07-07 Nick Clifton <nickc@cambridge.redhat.com>
7380 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Append # to end
7381 of the label inside NAME as opposed to just the end of NAME.
7383 2001-07-07 Neil Booth <neil@daikokuya.demon.co.uk>
7385 * config/alpha/alpha-protos.h (vms_valid_decl_attribute_p): Delete.
7386 * config/alpha/alpha.c (alpha_init_machine_status,
7387 alpha_mark_machine_status, alpha_free_machine_status): Delete.
7388 (TARGET_VALID_DECL_ATTRIBUTE): Define for VMS.
7389 (vms_valid_decl_attribute_p): Make static, conditionally compile.
7390 * config/alpha/alpha.h (VALID_MACHINE_DECL_ATTRIBUTE): Delete.
7392 2001-07-06 Stan Shebs <shebs@apple.com>
7394 * target.h (targetm): Rename global from "target", so as not to
7395 conflict with local variables.
7397 * c-typeck.c: Ditto.
7401 * cp/decl2.c: Ditto.
7402 * cp/typeck.c: Ditto.
7403 * 1750a/1750a.c: Ditto.
7404 * a29k/a29k.c: Ditto.
7408 * clipper/clipper.c: Ditto.
7409 * convex/convex.c: Ditto.
7410 * d30v/d30v.c: Ditto.
7411 * dsp16xx/dsp16xx.c: Ditto.
7412 * elxsi/elxsi.c: Ditto.
7413 * fr30/fr30.c: Ditto.
7414 * h8300/h8300.c: Ditto.
7415 * i370/i370.c: Ditto.
7416 * i386/i386.c: Ditto.
7417 * i860/i860.c: Ditto.
7418 * i960/i960.c: Ditto.
7419 * ia64/ia64.c: Ditto.
7420 * m32r/m32r.c: Ditto.
7421 * m68hc11/m68hc11.c: Ditto.
7422 * m68k/m68k.c: Ditto.
7423 * m88k/m88k.c: Ditto.
7424 * mips/mips.c: Ditto.
7425 * ns32k/ns32k.c: Ditto.
7427 * pdp11/pdp11.c: Ditto.
7428 * romp/romp.c: Ditto.
7429 * rs6000/rs6000.c: Ditto.
7431 * sparc/sparc.c: Ditto.
7433 * we32k/we32k.c: Ditto.
7434 * doc/tm.texi: Update the manual to match.
7436 2001-07-06 Richard Henderson <rth@redhat.com>
7438 * except.h (MUST_USE_SJLJ_EXCEPTIONS): Examine the value of
7439 DWARF2_UNWIND_INFO not just whether it is defined.
7441 2001-07-06 Diego Novillo <dnovillo@redhat.com>
7443 * combine.c (combine_simplify_rtx): Also recompute 'mode' if the
7444 call to simplify_binary_operation returns a new pattern.
7446 2001-07-06 Roman Lechtchinsky <rl@cs.tu-berlin.de>
7448 * glimits.h (__SHRT_MAX__): New.
7449 (SHRT_MIN, USHRT_MAX): Define in terms of SHRT_MAX.
7450 (SHRT_MAX): Define in terms of __SHRT_MAX__.
7452 2001-07-06 Jan van Male <jan.vanmale@fenk.wau.nl>
7454 * alias.c (base_alias_check): Cast GET_MODE_UNIT_SIZE to int to
7457 2001-07-06 Richard Henderson <rth@redhat.com>
7459 * bitmap.c (bitmap_release_memory): Move adjacent to the
7460 allocation functions.
7461 (bitmap_first_set_bit, bitmap_last_set_bit): Streamline knowing
7462 the implementation. Binary search for the set bit.
7463 (bitmap_union_of_diff): Allocate the temporary on the stack
7464 instead of using xmalloc.
7466 2001-07-06 Richard Henderson <rth@redhat.com>
7468 * genrecog.c (validate_pattern): Warn for constraints in
7469 define_{expand,split,peephole2}. Remove strict_low_part
7470 before looking up match_dup.
7472 2001-07-06 DJ Delorie <dj@redhat.com>
7474 * doc/gcc.texi (Makefile): Rename to be a more general purpose
7475 chapter about various build hints and history. Add section
7476 talking about the various types of native and cross builds.
7478 2001-07-06 Neil Booth <neil@daikokuya.demon.co.uk>
7480 * Makefile.in (final.o): Depend on target.h.
7481 * final.c: Include target.h.
7482 (default_function_pro_epilogue): New.
7483 (final_start_function): Use target structure for function prologues.
7484 (final_end_function): Use target structure for function epilogues.
7485 * fold-const.c (real_hex_to_f): Constify s and p.
7486 * output.h (default_function_pro_epilogue): New.
7487 * real.h (real_hex_to_f): Update prototype.
7488 * target-def.h (TARGET_ASM_FUNCTION_PROLOGUE,
7489 TARGET_ASM_FUNCTION_EPILOGUE, TARGET_ASM_OUT): New.
7490 (TARGET_INITIALIZER): Update.
7491 * target.h (gcc_target): Add struct asm_out.
7492 * doc/tm.texi: Update.
7495 Update each arch to use TARGET_ASM_FUNCTION_PROLOGUE and
7496 TARGET_ASM_FUNCTION_EPILOGUE. Move macro code to functions
7497 in cpu/cpu.c, or rename old functions consistently. Take
7498 a HOST_WIDE INT not an int as the SIZE parameter. Remove now
7499 redundant macros and prototypes. Make new functions static.
7501 * 1750a/1750a.c: Similarly.
7502 * 1750a/1750a.h: Similarly.
7503 * a29k/a29k-protos.h: Similarly.
7504 * a29k/a29k.c: Similarly.
7505 * a29k/a29k.h: Similarly.
7506 * arc/arc-protos.h: Similarly.
7507 * arc/arc.c: Similarly.
7508 * arc/arc.h: Similarly.
7509 * arm/arm-protos.h: Similarly.
7510 * arm/arm.c: Similarly.
7511 * arm/arm.h: Similarly.
7512 * avr/avr-protos.h: Similarly.
7513 * avr/avr.c: Similarly.
7514 * avr/avr.h: Similarly.
7515 * clipper/clipper-protos.h: Similarly.
7516 * clipper/clipper.c: Similarly.
7517 * clipper/clipper.h: Similarly.
7518 * convex/convex.c: Similarly.
7519 * convex/convex.h: Similarly.
7520 * d30v/d30v-protos.h: Similarly.
7521 * d30v/d30v.c: Similarly.
7522 * d30v/d30v.h: Similarly.
7523 * d30v/d30v.md: Similarly.
7524 * dsp16xx/dsp16xx-protos.h: Similarly.
7525 * dsp16xx/dsp16xx.c: Similarly.
7526 * dsp16xx/dsp16xx.h: Similarly.
7527 * elxsi/elxsi.c: Similarly.
7528 * elxsi/elxsi.h: Similarly.
7529 * fr30/fr30.c: Similarly.
7530 * fr30/fr30.md: Similarly.
7531 * h8300/h8300-protos.h: Similarly.
7532 * h8300/h8300.c: Similarly.
7533 * h8300/h8300.h: Similarly.
7534 * i370/i370-protos.h: Similarly.
7535 * i370/i370.c: Similarly.
7536 * i370/i370.h: Similarly.
7537 * i386/i386.c: Similarly.
7538 * i386/osf1elf.h: Similarly.
7539 * i386/osfrose.h: Similarly.
7540 * i860/i860-protos.h: Similarly.
7541 * i860/i860.c: Similarly.
7542 * i860/i860.h: Similarly.
7543 * i960/i960-protos.h: Similarly.
7544 * i960/i960.c: Similarly.
7545 * i960/i960.h: Similarly.
7546 * ia64/ia64-protos.h: Similarly.
7547 * ia64/ia64.c: Similarly.
7548 * ia64/ia64.h: Similarly.
7549 * m32r/m32r-protos.h: Similarly.
7550 * m32r/m32r.c: Similarly.
7551 * m32r/m32r.h: Similarly.
7552 * m68hc11/m68hc11-protos.h: Similarly.
7553 * m68hc11/m68hc11.c: Similarly.
7554 * m68hc11/m68hc11.h: Similarly.
7555 * m68k/crds.h: Similarly.
7556 * m68k/dpx2.h: Similarly.
7557 * m68k/m68k-protos.h: Similarly.
7558 * m68k/m68k.c: Similarly.
7559 * m68k/m68k.h: Similarly.
7560 * m68k/news.h: Similarly.
7561 * m88k/m88k-protos.h: Similarly.
7562 * m88k/m88k.c: Similarly.
7563 * m88k/m88k.h: Similarly.
7564 * mips/mips-protos.h: Similarly.
7565 * mips/mips.c: Similarly.
7566 * mips/mips.h: Similarly.
7567 * ns32k/merlin.h: Similarly.
7568 * ns32k/ns32k.c: Similarly.
7569 * ns32k/ns32k.h: Similarly.
7570 * ns32k/tek6000.h: Similarly.
7571 * pa/pa-protos.h: Similarly.
7572 * pa/pa.c: Similarly.
7573 * pa/pa.h: Similarly.
7574 * pdp11/2bsd.h: Similarly.
7575 * pdp11/pdp11-protos.h: Similarly.
7576 * pdp11/pdp11.c: Similarly.
7577 * pdp11/pdp11.h: Similarly.
7578 * romp/romp-protos.h: Similarly.
7579 * romp/romp.c: Similarly.
7580 * romp/romp.h: Similarly.
7581 * rs6000/rs6000-protos.h: Similarly.
7582 * rs6000/rs6000.c: Similarly.
7583 * rs6000/rs6000.h: Similarly.
7584 * rs6000/sysv4.h: Similarly.
7585 * sh/sh-protos.h: Similarly.
7586 * sh/sh.c: Similarly.
7587 * sh/sh.h: Similarly.
7588 * sparc/sparc-protos.h: Similarly.
7589 * sparc/sparc.c: Similarly.
7590 * sparc/sparc.h: Similarly.
7591 * vax/vax.c: Similarly.
7592 * vax/vax.h: Similarly.
7593 * vax/vms.h: Similarly.
7594 * we32k/we32k.c: Similarly.
7595 * we32k/we32k.h: Similarly.
7597 Fri Jul 6 11:47:59 2001 Jeffrey A Law (law@cygnus.com)
7599 * basic-block.h (first_insn_after_basic_block_note): Declare.
7600 * flow.c (first_insn_after_basic_block_note): Define. Moved
7602 * ssa.c (first_insn_after_basic_block_note): Remove.
7603 * ssa-dce.c (find_inherently_necessary): Consider BARRIERs
7605 (ssa_eliminate_dead_code): Properly update the CFG and PHI
7606 nodes when we find a dead conditional branch. Insert BARRIERs
7607 after any blocks with no successors, but which do not have
7610 2001-07-06 Zack Weinberg <zackw@stanford.edu>
7612 * varray.c (varray_check_failed): Use internal_error.
7614 2001-07-05 Andrew Haley <aph@redhat.com>
7616 * Makefile.in (LIB2_DIVMOD_FUNCS): New.
7617 (LIB2FUNCS): Move divmod functions to LIB2_DIVMOD_FUNCS.
7618 * mklibgcc.in: Compile LIB2_DIVMOD_FUNCS.
7620 2001-07-02 Jason Merrill <jason_merrill@redhat.com>
7622 * dwarf2out.c (mem_loc_descriptor): Only look through a constant pool
7623 reference if the target constant is also a SYMBOL_REF.
7625 2001-07-05 Eric Christopher <echristo@redhat.com>
7627 * config/mips/mips.h (MASK_MIPS3900): Remove.
7628 (MASK_MIPS16,MASK_NO_CHECK_ZERO_DIV,MASK_CHECK_RANGE_DIV,
7629 MASK_UNINIT_CONST_IN_RODATA): Change for 3900 mask removal.
7630 (TARGET_MIPS3900): Change to use mips_arch.
7631 (TARGET_MIPS4000): New.
7632 (TARGET_MIPS4100): New.
7633 (TARGET_MIPS4300): New.
7634 (TARGET_SWITCHES): Change 3900 and 4650 options to NULL.
7635 (SUBTARGET_TARGET_OPTIONS): Add -march. Change help text
7637 (GENERATE_BRANCHLIKELY): Move TARGET_MIPS3900.
7638 (ISA_HAS_BRANCHLIKELY): To here.
7639 (CC1_CPU_SPEC): New.
7640 (CC1_SPEC): Use here. Remove 4650 and 3900 options.
7641 (mips_arch_string): Declare.
7642 (mips_arch): Declare.
7643 (TARGET_OPTIONS): Add -march and -mtune.
7645 * config/mips/mips.c (mips_arch_string): New.
7647 (override_options): Handle -march for codegen and -mtune
7648 for scheduling. Use mips_arch. Move tx39 target default here.
7649 (mips_parse_cpu): Move error message to override_options.
7651 * config/mips/r3900.h (TARGET_DEFAULT): Remove.
7653 * config/mips/mips.md: Use TARGET_MIPS4000 and TARGET_MIPS4300.
7655 * doc/invoke.texi (Option Summary): Add -march and -mtune entries.
7656 (MIPS Options): Ditto. Change mcpu entry to historical text.
7658 2001-07-05 H.J. Lu (hjl@gnu.org)
7660 * config/mips/mips.c (mips_parse_cpu): New function to parse
7663 2001-07-05 Jim Wilson <wilson@redhat.com>
7665 * config/ia64/lib1funcs.asm: Revert 2001-07-02 change.
7666 * config/ia64/t-ia64: Likewise.
7667 (LIB1ASMFUNCS): Update comment.
7669 2001-07-05 David Edelsohn <edelsohn@gnu.org>
7671 * doc/install.texi (Install GCC: Binaries): Fix typo.
7673 2001-07-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
7675 * config/m68hc11/m68hc11.md ("*ashlsi3"): Operand 1 can be a memory
7676 reference using the stack pointer, adjust it since we push Y
7678 ("*ashrsi3"): Likewise.
7679 ("*lshrsi3"): Likewise.
7681 2001-07-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
7683 * config/m68hc11/m68hc11.h (RETURN_ADDR_RTX): Fix return address
7684 when -fomit-frame-pointer is used.
7686 2001-07-05 Jeffrey Oldham <oldham@codesourcery.com>
7688 * flow.c: Reverse Jan Hubicka's patch of 02July2001.
7689 (try_redirect_by_replacing_jump): Reverse updating properly the
7690 count and frequency information. Reverse removing cc0 setter.
7691 (forwarder_block_p): Reverse fixing for fallthru blocks.
7693 2001-07-05 DJ Delorie <dj@redhat.com>
7695 * gcc.c (TARGET_OPTION_TRANSLATE_TABLE): New.
7696 (translate_options): If the above is defined, use it to map
7697 given options to new options.
7698 * doc/tm.texi: Document it.
7700 2001-07-05 Brad Lucier <lucier@math.purdue.edu>
7701 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
7703 * doc/invoke.texi (Optimize Options): Document that -fgcse may
7704 cause programs using computed gotos to run more slowly.
7706 2001-07-05 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7708 * doc/install.texi (Specific): Markup, spelling and typo fixes.
7710 Consistently require binutils 2.11.2, not prereleases.
7711 (Specific, decstation-*): Canonicalize as mips-dec-*.
7712 (Specific, i?86-*-sco3.2v5*): Remove make bootstrap requirement,
7714 (Specific, m68k-altos): Removed reference to README.altos, deleted.
7715 (Specific, mips-*): Reword MIPS C compiler requirements.
7716 (Specific, powerpc*-*-*): New, mention --with-cpu once.
7717 (Specific, sunv5): Removed, obsolete.
7719 2001-07-05 Nathan Sidwell <nathan@codesourcery.com>
7721 * dwarf2out.c (output_loc_list): Use an all ones mask for
7722 .text asm output and don't rely on long long
7723 literals. Reformat some long lines.
7725 2001-07-05 Andreas Jaeger <aj@suse.de>
7727 * doc/gcc.texi (GNU/Linux): Remove accidental re-add of GPL
7730 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
7732 * dwarf2out.c (dwarf2out_define): Update comment.
7733 (dwarf2out_undef): Ditto.
7734 (dwarf2out_start_source_file): Ditto.
7735 (dwarf2out_end_source_file): Ditto.
7736 (dwarf2out_finish): Output DW_MACINFO_end_file for primary file,
7737 since we never call the start/end debug hook for the primary file.
7739 2001-07-04 Kazu Hirata <kazu@hxi.com>
7741 * config/h8300/h8300.c (get_shift_alg): Remove an extra operand
7744 2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
7746 * cppinit.c (remove_dup_dirs): Inform if a system include
7747 directory is being reordered.
7748 * doc/invoke.texi (Directory Options): GCC warns if you hide a
7750 * doc/cpp.texi (Search Paths): Likewise.
7751 * doc/gcc.texi (Interoperation): Remove information about
7754 2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
7756 * varray.h (VARRAY_TOP_GENERIC_PTR): Remove spurious parameter.
7757 (VARRAY_TOP_CHAR_PTR): Likewise.
7759 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7761 * gcc.c (process_command): Don't assign elements of a const char*.
7763 Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7765 * emit-rtl.c (change_address): Don't abort if invalid address while
7766 reload is in progress.
7768 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
7770 * c-lex.c (cb_file_change): Pass line number to
7771 debug_start_source_file.
7772 (cb_undefine): Pass correct line number to debug_undef.
7774 * toplev.c (debug_start_source_file): Add line number to
7775 parameters. Pass it along to dwarf2out_start_source_file.
7776 (decode_g_option): Stop resetting debug level back to normal when
7777 we change debug formats, unless the current level is
7778 none. (Before, -g3 -gdwarf-2 would use debug level 2, rather than
7781 * toplev.h (debug_start_source_file): Add line number to
7784 * dwarf2out.h (dwarf2out_start_source_file): Add line number to
7787 * dwarf2out.c (dwarf2out_start_source_file): Add line number to
7789 Output debug_macinfo data for starting file if requested.
7790 (dwarf2out_end_source_file): Output debug_macinfo data for ending
7792 (dwarf2out_define): Output debug_macinfo data for defining a macro
7794 (dwarf2out_undef): Output debug_macinfo data for undefining a
7796 (DEBUG_MACINFO_SECTION): New. DWARF2 macro info section name.
7797 (DEBUG_MACINFO_SECTION_LABEL): New. DWARF2 macro info section label.
7798 (macinfo_section_label): New. DWARF2 macro info section label.
7799 (dwarf2out_init): If we want macro info, output the start label
7801 (dwarf2out_finish): If we want macro info, add a DW_AT_macro_info
7802 attribute to the compilation unit die pointing to the macro info.
7804 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
7806 * dwarf2out.c (new_loc_list): Move to inside #ifdef
7807 DWARF2_DEBUGGING_INFO.
7808 (add_loc_descr_to_loc_list): Ditto.
7809 (output_loc_list): Ditto.
7810 Also, fix thinko in curr not being initialized.
7811 (gen_internal_sym): Ditto.
7813 Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7815 * emit-rtl.c (replace_equiv_address): New function.
7816 * expr.h (replace_equiv_address): New declaration.
7817 * explow.c (validize_mem): Call it instead of change_address and
7818 also call if -fforce-addr and address is constant.
7819 * expr.c: Replace more calls to change_address with adjust_address
7820 and/or replace_equiv_address or to validize_mem.
7821 * function.c, regmove.c, config/alpha/alpha.c: Likewise.
7822 * config/arm/arm.md, config/clipper/clipper.md: Likewise.
7823 * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
7824 * config/i370/i370.md, config/i860/i860.md: Likewise.
7825 * config/i960/i960.md, config/mips/mips.c: Likewise.
7826 * config/mips/mips.md, config/pa/pa.md: Likewise.
7827 * config/pdp11/pdp11.md, config/rs6000/rs6000.c: Likewise.
7828 * config/rs6000/rs6000.md, config/sh/sh.md: Likewise.
7830 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7832 * bitmap.c (bitmap_union_of_diff): Don't use BITMAP_ALLOCA.
7834 * bitmap.h (BITMAP_ALLOCA): Don't pass alloca as an argument to a
7837 2001-07-04 Joseph S. Myers <jsm28@cam.ac.uk>
7839 * doc/include: New directory.
7840 * doc/fdl.texi: Move to doc/include/fdl.texi.
7841 * doc/texinfo.tex: Move to doc/include/texinfo.tex.
7842 * doc/include/funding.texi, doc/include/gpl.texi: New files.
7843 * doc/gcc.texi: Use funding.texi and gpl.texi.
7844 * Makefile.in ($(docdir)/cpp.info, $(docdir)/gcc.info,
7845 $(docdir)/cppinternals.info, cpp.dvi. gcc.dvi. cppinternals.dvi):
7846 Update dependencies and use -I $(docdir)/include.
7848 2001-07-04 Anthony Green <green@redhat.com>
7850 * config/v850/t-v850 (v850-c.o): Add missing dependencies.
7852 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
7854 * doc/install.texi (sparc64-*-*): Remove garbage.
7856 Wed Jul 4 09:07:44 2001 Jan van Male <jan.vanmale@fenk.wau.nl>
7858 * i386.c (ix86_expand_builtin, case IX86_BUILTIN_SETPS):
7859 Fix typo in last change to use adjust_address.
7861 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
7863 * doc/install.texi (Specific): Update information for *-*-solaris*.
7865 Tue Jul 3 22:33:15 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7867 * explow.c (plus_constant_wide): Reinitialize Y for restart.
7869 2001-07-03 Stan Shebs <shebs@apple.com>
7871 * config/darwin.h (SECTION_FUNCTION): Remove WAS_TEXT argument, remove
7872 case for flag_no_mach_text_sections.
7873 (EXTRA_SECTION_FUNCTIONS): Remove arg from uses of SECTION_FUNCTION.
7874 * config/darwin.c (flag_no_mach_text_sections): Remove.
7875 * config/darwin-protos.h (darwin_init_pragma): Remove decl.
7877 Tue Jul 3 15:35:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7879 * explow.c (plus_constant_wide, case PLUS): Call find_constant_term
7880 and avoid checking for constant as first operand.
7881 * recog.c (find_constant_term_loc): No longer static.
7882 (adj_offettable_operand): Delete.
7883 * rtl.h (adj_offsettable_operand): Delete declaration.
7884 (find_constant_term): Add declaration.
7885 * caller-save.c: Replace calls to adj_offsettable_operand with calls
7887 * config/arm/arm.c, config/c4x/c4x.c: Likewise.
7888 * config/clipper/clipper.md, config/h8300/h8300.c: Likewise.
7889 * config/i386/i386.c, config/i386/i386.md: Likewise.
7890 * config/i860/i860.c, config/i960/i960.c: Likewise.
7891 * config/i960/i960.md, config/m68hc11/m68hc11.c: Likewise.
7892 * config/m68k/m68k.c, config/m68k/m68k.md: Likewise.
7893 * config/m88k/m88k.md, config/mcore/mcore.c: Likewise.
7894 * config/mips/mips.c, config/mips/mips.md: Likewise.
7895 * config/mn10200/mn10200.c, config/mn10300/mn10300.c: Likewise.
7896 * config/ns32k/ns32k.c, config/ns32k/ns32k.md: Likewise.
7897 * config/pa/pa.c, config/pdp11/pdp11.c: Likewise.
7898 * config/pdp11/pdp11.md, config/sh/sh.c, config/v850/v850.c: Likewise.
7899 * config/vax/vax.md, config/ns32k/ns32k.c: Likewise.
7900 * config/ns32k/ns32k.md: Likewise.
7902 2001-07-03 Zack Weinberg <zackw@stanford.edu>
7904 * rtl.c (copy_rtx): Handle 'T' format letter.
7905 * gensupport.c (collect_insn_data): Likewise.
7906 * print-rtl.c (print_rtx): Print 'T' slots like 's'.
7908 2001-07-03 Nick Clifton <nickc@cambridge.redhat.com>
7910 * doc/invoke.texi (Directory Options): Specifiy range for <N> in
7911 -B option. Use 'dir' not 'foo' as example directory name.
7913 2001-07-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7915 * config/i386/sol2.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
7916 Fixes PRs bootstrap/3067, bootstrap/3249, bootstrap/3275.
7918 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
7920 * doc/cppinternals.texi: Improve formatting and logical markup.
7922 2001-07-03 Andreas Jaeger <aj@suse.de>
7924 * Makefile.in (insn-recog.o): Add dependency on reload.h.
7926 * genrecog.c (write_header): Include reload.h for prototypes in
7929 2001-07-03 Neil Booth <neil@daikokuya.demon.co.uk>
7932 * i386/cygwin.h (VALID_MACHINE_DECL_ATTRIBUTE,
7933 VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
7934 * i386/i386-protos.h (i386_pe_valid_decl_attribute_p,
7935 i386_pe_valid_type_attribute_p): Add.
7936 * i386/i386.c (TARGET_INITIALIZER): Override for cygwin targets.
7937 * i386/winnt.c (i386_valid_decl_attribute_p): Return directly.
7939 Mon Jul 2 21:52:19 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7941 * explow.c (plus_constant_wide, case LO_SUM): New case.
7942 (plus_constant_for_output_wide): Delete.
7943 * rtl.h (plus_constant_for_output): Delete.
7944 * alias.c (canon_rtx, init_alias_analysis): Call plus_constant
7945 instead of plus_constant_for_output.
7946 * recog.c (offsettable_address_p, adj_offsettable_operand): Likewise.
7947 * config/darwin.c, config/arm/arm.c, config/m68k/m68k.c: Likewise.
7948 * config/m88k/m88k.c, config/mips/mips.c, config/pa/pa.c: Likewise.
7949 * config/rs6000/rs6000.c, config/sparc/sparc.c: Likewise.
7950 * config/sparc/sparc.md: Likewise.
7951 Convert some change_address calls to adjust_address.
7953 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
7955 * doc/extend.texi, doc/gcc.texi, doc/invoke.texi, doc/md.texi,
7956 doc/rtl.texi, doc/tm.texi: Improve formatting. Improve
7957 documentation of -std and -Wwrite-strings.
7959 2001-07-02 Geoffrey Keating <geoffk@redhat.com>
7961 * cse.c (canon_hash): Don't register registers in very small
7962 register classes, as extending their lifetime might cause
7965 Mon Jul 2 23:14:00 CEST 2001 Jan Hubicka <jh@suse.cz>
7967 * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
7969 * flow.c (forwarder_block_p): Fix for fallthru blocks.
7970 (try_redirect_by_replacing_jump): Update properly the count
7971 and frequency information.
7973 Mon Jul 2 14:20:13 2001 Jeffrey A Law (law@cygnus.com)
7975 * toplev.c (dump_file_index): Move SSA dumps just after first
7977 (dump_file): Corresponding changes.
7978 (rest_of_compilation): Move SSA path to just after the first
7980 * doc/gcc.texi (Passes): Update due to movement of SSA path.
7981 * doc/invoke.texi: Update dump file #s as they were completely
7982 out of date with reality.
7984 2001-07-02 Geoffrey Keating <geoffk@redhat.com>
7986 * doc/tm.texi (Frame Layout): Document STACK_PUSH_CODE.
7988 * expr.c (emit_move_insn_1): Deal with non-default
7991 * expr.c (emit_single_push_insn): Fix warning.
7993 2001-07-02 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
7995 * expr.c (emit_move_insn_1): Avoid modifying
7996 cfun->expr->x_stack_pointer when PUSH_ROUNDING is defined.
7998 Mon Jul 2 15:33:31 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8000 * emit-rtl.c (adjust_address): New function.
8001 * expr.h (adjust_address): Add declaration.
8002 * builtins.c: Replace some calls to change_address with calls to it
8004 * caller-save.c, dwarf2out.c, except.c, expmed.c, expr.c: Likewise.
8005 * function.c, config/a29k/a29k.md, config/alpha/alpha.c: Likewise.
8006 * config/arm/arm.c, config/convex/convex.c: Likewise.
8007 * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
8008 * config/i386/i386.c, config/i386/i386.md: Likewise.
8009 * config/ia64/ia64.c, config/ia64/ia64.md: Likewise.
8010 * config/m32r/m32r.c, config/m68k/m68k.md: Likewise.
8011 * config/m88k/m88k.c, config/mips/mips.md: Likewise.
8012 * config/ns32k/ns32k.c, config/rs6000/rs6000.c: Likewise.
8013 * config/sh/sh.c, config/sparc/sparc.md: Likewise.
8015 2001-07-02 Jim Wilson <wilson@redhat.com>
8017 * config/ia64/ia64.h: Delete obsolete lib1funcs.asm comment.
8019 2001-07-02 Steve Ellcey <sje@cup.hp.com>
8021 * config/ia64/t-ia64: Change LIB1ASMFUNCS to use single underscore.
8022 * config/ia64/lib1funcs.asm: Change macro names to match t-ia64.
8024 2001-07-02 Zack Weinberg <zackw@stanford.edu>
8026 * cppinit.c (lang_defaults): New table.
8027 (set_lang): Just read from lang_defaults into the live options
8030 2001-07-02 Zack Weinberg <zackw@stanford.edu>
8032 * Makefile.in (doc): Depend on $(GENERATED_MANPAGES).
8033 * doc/.cvsignore: Add gcc.1, cpp.1, gcov.1.
8034 * doc/gcc.1, doc/cpp.1, doc/gcov.1: Removed.
8036 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8038 * doc/install.texi: Various spelling and markup fixes.
8039 (Installing GCC): Component specific installation instructions are
8042 Warn about removing old install dir in the presence of shared libs.
8043 (Configuration): Invoke with options target to match configure
8045 Consistently refer to gas, gld pathnames.
8046 Invert --enable-multilib documentation.
8047 Remove references to old compiler versions.
8049 Mon Jul 2 12:50:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8051 * flow.c (try_simplify_condjump): Fix typo in updating fallthru flags.
8053 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8055 * doc/install.texi (Specific, mips*-sgi-irix4): Split from IRIX 5
8057 (Specific, mips*-sgi-irix5): Note IDO download.
8058 Reworded MIPS C hints.
8059 Use GNU as instead of GAS.
8061 Removed SGI Freeware reference, IRIX 6 only.
8062 (Specific, mips*-sgi-irix6): Removed ranlib caveats, obsolete.
8063 Note N64 library requirement/workaround.
8065 Complete list of structure passing bug victims.
8067 2001-07-02 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8069 * doc/install.texi: Remove CVS Id.
8071 2001-07-02 Andreas Jaeger <aj@suse.de>
8073 * ssa-dce.c (note_inherently_necessary_set): Add unused attribute.
8074 (find_inherently_necessary): Remove unused variable.
8076 2001-07-02 Nathan Sidwell <nathan@codesourcery.com>
8078 * c-common.h (TDI_inlined): New ast dump phase.
8079 (dump_flag_name): New function.
8080 * c-dump.c (dump_files): Add inlined phase.
8081 (dump_flag_name): Define.
8082 * doc/invoke.texi (-fdump-ast-inlined): Document.
8084 Mon Jul 2 06:29:36 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8086 * stor-layout.c (layout_decl): Revert change to handling of alignment
8089 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8091 * c-common.c (decl_attributes, case A_MODE): Don't call layout_decl
8094 2001-07-01 Geoffrey Keating <geoffk@redhat.com>
8096 * doc/tm.texi (FUNCTION_ARG): Document that the last call
8099 2001-07-01 Nathan Sidwell <nathan@codesourcery.com>
8101 * tlink.c (recompile_files): Remove COMPILER_PATH and
8102 LIBRARY_PATH from the environment.
8104 2001-07-01 Zack Weinberg <zackw@stanford.edu>
8106 * c-common.h (enum rid): Add RID_FIRST_AT, RID_LAST_AT,
8107 RID_LAST_PQ. Move RID_FIRST_PQ down with the other FIRST/LAST
8109 (OBJC_IS_AT_KEYWORD, OBJC_IS_PQ_KEYWORD): New macros.
8111 * c-parse.in (OBJC_STRING): Kill.
8112 (objc_string): Decompose to [objc_string] '@' STRING.
8113 (reswords): Take the leading '@' off all the Objective C keywords.
8114 (objc_rid_sans_at): Kill.
8115 (init_reswords): Don't initialize it.
8116 (yylexname): Use OBJC_IS_AT_KEYWORD and OBJC_IS_PQ_KEYWORD.
8117 (_yylex): Kill reconsider label. Look ahead one token after
8118 an '@'; if we get an identifier, check whether it's an
8119 Objective C @-keyword. If so, return the keyword. Otherwise,
8120 put back the token and return the '@' as a terminal.
8122 * cpplib.c (lex_macro_node): Remove unnecessary check for
8123 leading '@' on identifier. Clarify control flow and commentary.
8125 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8127 * cse.c (new_label_ref): Variable deleted.
8128 (insert): Remove set of new_label_ref.
8129 (check_for_label_ref): New function.
8130 (cse_basic_block): Don't check new_label_ref; call check_for_label_ref.
8132 See ChangeLog.5 for earlier changes.