1 2001-09-13 Richard Henderson <rth@redhat.com>
3 * config/alpha/alpha.c (small_symbolic_operand): New.
4 (override_options): Set MASK_SMALL_DATA based on pic/PIC.
5 (some_operand, input_operand): Don't handle HIGH.
6 (alpha_legitimize_address): Use it. Emit HIGH with PLUS gp.
7 (alpha_expand_mov): Likewise.
8 (print_operand) [H]: Just print HIGH symbol.
9 (print_operand_address): Handle small data.
10 * config/alpha/alpha.h (MASK_SMALL_DATA, TARGET_SMALL_DATA): New.
11 (TARGET_SWITCHES): Add -msmall-data/large-data.
12 (PIC_OFFSET_TABLE_REGNUM): New.
13 (PREFERRED_RELOAD_CLASS): Don't handle HIGH.
14 (PREDICATE_COES): Update.
15 * config/alpha/alpha.md (adddi_er_high): New.
16 (adddi_er_low): Handle small data.
17 * config/alpha/elf.h (DO_SELECT_SECTION): If SMALL_DATA,
18 prefer .sdata to .rodata.
19 (SELECT_RTX_SECTION): Likewise.
21 2001-09-12 Josh Martin <josh.martin@abq.sc.philips.com>
23 * fixinc/inclhack.def(hpux11_size_t): Keep HP-UX headers from
24 defining __size_t and leaving size_t undefined.
26 2001-09-12 Diego Novillo <dnovillo@redhat.com>
28 * basic-block.h (expunge_block): Declare.
29 * cfg.c (expunge_block): Remove static declaration.
31 2001-09-12 Richard Henderson <rth@redhat.com>
33 * integrate.c (copy_insn_list): Copy label name from
34 NOTE_INSN_DELETED_LABEL.
36 2001-09-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
38 * c-common.c (c_tree_code_name): Const-ification.
39 * c-decl.c (c_decode_option): Likewise.
40 * c-typeck.c (warn_for_assignment): Likewise.
41 * collect2.c (libexts, is_ctor_dtor, main, ignore_library):
43 * cppinit.c (output_deps): Likewise.
44 * dependence.c (dependence_string, direction_string): Likewise.
45 * dwarf2out.c (output_ranges): Likewise.
46 * fixinc/fixfixes.c (emit_gnu_type): Likewise.
47 * fixinc/gnu-regex.c (re_error_msgid): Likewise.
48 * gcc.c (standard_exec_prefix, standard_exec_prefix_1,
49 standard_startfile_prefix, standard_startfile_prefix_1,
50 standard_startfile_prefix_2, tooldir_base_prefix,
51 standard_bindir_prefix, find_a_file): Likewise.
52 * genattrtab.c (make_length_attrs): Likewise.
53 * gencheck.c (tree_codes): Likewise.
54 * genemit.c (gen_split): Likewise.
55 * genrecog.c (special_mode_pred_table): Likewise.
56 * graph.c (graph_ext): Likewise.
57 * protoize (default_include): Likewise.
58 * reload.c (reload_when_needed_name): Likewise.
59 * sched-vis.c (visualize_stall_cycles): Likewise.
60 * tlink.c (recompile_files): Likewise.
61 * toplev.c (decode_g_option): Likewise.
62 * tradcpp.c (output_deps): Likewise.
63 * varasm.c (decode_reg_name): Likewise.
65 * arm.c (arm_condition_codes, strings_fpa, thumb_condition_code):
68 * avr.c (avr_regnames, encode_section_info): Likewise.
69 * c4x.c (float_reg_names): Likewise.
70 * darwin.h (ASM_GLOBALIZE_LABEL): Likewise.
71 * elfos.h (const_section): Likewise.
72 * i386.c (ix86_comp_type_attributes): Likewise.
73 * i386/win32.h (STRIP_NAME_ENCODING): Likewise.
74 * ia64/aix.h (UNIQUE_SECTION): Likewise.
75 * ia64.c (type_names): Likewise.
76 * m68hc11.c (reg_class_names): Likewise.
77 * m88k.c (m_options): Likewise.
78 * mips.c (mips_output_conditional_branch, mips_unique_section):
80 * rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
81 * sparc.c (sparc_flat_function_prologue, sparc_flat_function_epilogue,
82 ultra_code_names): Likewise.
83 * sparc.h (OVERRIDE_OPTIONS): Likewise.
85 2001-09-12 Jakub Jelinek <jakub@redhat.com>
87 * configure.in (gcc_cv_as_shf_merge): Fix a typo.
88 Use --fatal-warnings option for gas.
91 2001-09-12 Roman Lechtchinsky <rl@cs.tu-berlin.de>
93 * doc/install.texi (Specific, alphaev5-cray-unicosmk*): Document.
95 2001-09-11 Jim Wilson <wilson@redhat.com>
97 * alias.c (clear_reg_alias_info): Only handle pseudo registers.
99 2001-10-11 Matt Kraai <kraai@alumni.carnegiemellon.edu>
101 * builtins.c (c_strlen): Treat an offset too large for a
102 HOST_WIDE_INT as out of range.
104 Tue Sep 11 18:57:47 CEST 2001 Jan Hubicka <jh@suse.cz>
106 * basic-block.h (EDGE_CRITICAL): Remove; renumber other flags.
107 (EDGE_CRITICAL_P): New predicate.
108 * cfg.c (force_nonfallthru_and_redirect, split_edge): Kill EDGE_CRITICAL
110 (insert_insn_on_edge): Use EDGE_CRITICAL_P.
111 (dump_edge_info): Remove "crit".
112 * cfganal.c (mark_critical_edges): Kill.
113 * cfgbuild.c (find_basic_blocks): Remove mark_critical_edges call.
114 * cfgcleanup.c (cleanup_cfg): Likewise.
115 * profile.c (instrument_edges): Use EDGE_CRITICAL_P.
116 (find_spanning_tree): Likewise.
117 * reg-stack.c (convert_regs_1): Likewise.
118 * ssa.c (mark_regs_equivalent_over_bad_edges): Likewise.
120 * basic-block.h (create_basic_block_structure): New.
121 (create_basic_block): Update prototype.
122 (force_nonfallthru): New.
123 * bb-reorder.c (fixup_reorder_chain): Fixup use force_nonfallthru.
124 * cfg.c (create_basic_block_structure): Rename from create_basic_block;
125 handle updating of block_for_insn, creating of empty BBs and BBs at
126 the end of INSN chain.
127 (create_basic_block): New function.
128 (split_block): Use create_basic_block.
129 (force_nonfallthru_and_redirect): Break out from ...; cleanup
130 (redirect_edge_and_branch_force): ... here.
131 (force_nonfallthru): New.
132 (split_edge): Rewrite to use force_nonfallthru and create_block.
133 * cfgbuild.c (find_basic_blocks_1): Use create_basic_block_structure.
134 (find_basic_blocks): Free basic_block_for_insn.
135 * cfgcleanup.c (merge_blocks): Use force_nonfallthru.
137 * cfg.c: Fix formating.
138 * cfgcleanup.c: Fix formating.
139 (merge_blocks, tail_recursion_label_p): Return bool.
140 (merge_blocks_move_predecessor_nojumps,
141 merge_blocks_move_successor_nojumps): Return void.
143 2001-09-11 Jakub Jelinek <jakub@redhat.com>
145 * configure.in: Check whether assembler supports section merging.
146 * config.in: Rebuilt.
147 * configure: Rebuilt.
148 * varasm.c (variable_section, output_constant_pool): Pass alignment
149 to SELECT_SECTION and SELECT_RTX_SECTION.
150 (mergeable_string_section): New.
151 (mergeable_constant_section): New.
152 (default_elf_asm_named_section): Output SECTION_MERGE and
153 SECTION_STRINGS flags plus SECTION_ENTSIZE entity size.
154 * output.h (mergeable_string_section): New.
155 (mergeable_constant_section): New.
156 (SECTION_MERGE, SECTION_STRINGS, SECTION_ENTSIZE): Define.
157 * toplev.c (flag_merge_constants): New.
158 (f_options): Add -fmerge-constants and -fmerge-all-constants
160 (toplev_main): Default to -fno-merge-constants if not optimizing.
161 * flags.h (flag_merge_constants): Add extern.
162 * invoke.texi (-fmerge-constants, -fmerge-all-constants): Document.
163 * tm.texi (SELECT_SECTION, SELECT_RTX_SECTION): Document added third
165 * config/elfos.h (ASM_SECTION_START_OP, ASM_OUTPUT_SECTION_START):
166 Define if assembler has working .subsection -1 support.
167 (SELECT_RTX_SECTION, SELECT_SECTION): Add third macro argument.
168 Put constant into special SHF_MERGE sections if the linker should
169 attempt to merge duplicates.
170 * config/ia64/sysv4.h (SELECT_RTX_SECTION, SELECT_SECTION): Add third
172 Put constant into special SHF_MERGE sections if the linker should
173 attempt to merge duplicates.
174 * config/alpha/elf.h: Likewise.
175 (ASM_SECTION_START_OP, ASM_OUTPUT_SECTION_START): Define if assembler
176 has working .subsection -1 support.
177 * config/nextstep.h: Add third argument to SELECT_RTX_SECTION and
179 * config/svr3.h: Likewise.
180 * config/darwin.h: Likewise.
181 * config/arm/aof.h: Likewise.
182 * config/arm/linux-elf.h: Likewise.
183 * config/avr/avr.h: Likewise.
184 * config/c4x/c4x.h: Likewise.
185 * config/d30v/d30v.h: Likewise.
186 * config/i386/dgux.h: Likewise.
187 * config/i386/osfrose.h: Likewise.
188 * config/i386/sco5.h: Likewise.
189 * config/i386/svr3gas.h: Likewise.
190 * config/ia64/aix.h: Likewise.
191 * config/m32r/m32r.h: Likewise.
192 * config/m68k/m68k.h: Likewise.
193 * config/m88k/dgux.h: Likewise.
194 * config/m88k/m88k.h: Likewise.
195 * config/mcore/mcore-pe.h: Likewise.
196 * config/mips/mips.h: Likewise.
197 * config/pa/pa.h: Likewise.
198 * config/pa/pa-linux.h: Likewise.
199 * config/romp/romp.h: Likewise.
200 * config/rs6000/sysv4.h: Likewise.
201 * config/rs6000/xcoff.h: Likewise.
202 * config/s390/linux.h: Likewise.
203 * config/sparc/sparc.h: Likewise.
204 * config/sparc/sysv4.h: Likewise.
205 * config/stormy16/stormy16.h: Likewise.
206 * config/v850/v850.h: Likewise.
207 * config/vax/vms.h: Likewise.
208 * config/arm/arm.c (arm_elf_asm_named_section): Output SECTION_MERGE
209 and SECTION_STRINGS flags plus SECTION_ENTSIZE entity size.
210 * config/sparc/sparc.c (sparc_elf_asm_named_section): Use
211 default_elf_asm_named_section for SHF_MERGE sections.
213 Tue Sep 11 17:55:54 CEST 2001 Jan Hubicka <jh@suse.cz>
215 * bb-reorder.c (fixup_reorder_chain): Fallthru edge to exit block
218 2001-09-11 Joseph S. Myers <jsm28@cam.ac.uk>
220 * c-common.c (split_specs_attrs): Allow for empty attributes with
221 empty TREE_PURPOSE. Fixes PR c/4294.
223 Tue Sep 11 11:37:52 CEST 2001 Jan Hubicka <jh@suse.cz>
225 * basic-block.h (cached_make_edge, make_single_succ): New.
226 (make_edge): Remove first parameter.
227 * bb-reroder.c (fixup_reorder_chain): Use make_single_succ_edge.
228 * cfg.c (cached_make_edge): Rename from make_edge; return newly
229 created edge; use obstack allocation.
230 (make_edge, make_single_succ_edge): New.
231 (first_removed_edge): New static variable.
232 (init_flow): Initialize first_removed_edge and n_edges.
233 (clear_edges): Use remove_edge.
234 (flow_delete_block): Likewise.
235 (remove_edge): Add removed edges to the removed edges list.
236 (split_block, redirect_edge_and_branch_force, split_edge):
238 * cfganal.c (flow_call_edges_add): Updaet make_edge call.
239 (add_noreturn_fake_exit_edges): Likewise.
240 (connect_infinite_loops_to_exit): Liekwise.
241 * cfgbuild.c (make_label_edge, make_edges, find_sub_basic_blocks):
242 Use cached_make_edge.
243 * cfgcleanup.c (try_crossjump_to_edge): Use make_single_succ_edge.
244 * profile.c (branch_prob): Update make_edge call.
245 * ssa-dce.c (ssa_eliminate_dead_code): Likewise.
247 2001-09-11 Richard Henderson <rth@redhat.com>
249 * config/alpha/alpha.c: Tidy formatting.
250 (local_symbolic_operand): Verify mode.
251 (alpha_sa_mask): Ignore unicos for eh_return.
252 (alpha_expand_epilogue): Handle sp_adj2 zero, not NULL.
253 * config/alpha/alpha.md (umk divsi patterns): Remove.
254 (extendsfdf2): Remove unicos check.
255 (tablejump): Merge vms and unicos code; always use direct set
258 2001-09-11 Roman Lechtchinsky <rl@cs.tu-berlin.de>
260 * config.gcc (alpha*-*-unicosmk*): New target.
262 * config/alpha/alpha-protos.h (symbolic_operand,
263 unicosmk_add_call_info_word, unicosmk_add_extern,
264 unicosmk_defer_case_vector, unicosmk_unique_section,
265 unicosmk_output_align, unicosmk_text_section, unicosmk_data_section,
266 unicosmk_asm_file_start, unicosmk_asm_file_end,
267 unicosmk_output_common): Declare.
269 * config/alpha/alpha.c (NUM_ARGS, override_options, call_operand,
270 direct_return, function_arg, alpha_va_start, alpha_va_arg,
271 alpha_does_function_need_gp, alpha_end_function): Support Cray
273 (alpha_init_machine_status, alpha_mark_machine_status,
274 alpha_free_machine_status, unicosmk_output_deferred_case_vectors,
275 unicosmk_gen_dsib, unicosmk_output_ssib, unicosmk_need_dex,
276 unicosmk_asm_named_section, unicosmk_insert_attributes,
277 unicosmk_section_type_flags, symbolic_operand,
278 unicosmk_output_module_name, unicosmk_output_default_externs,
279 unicosmk_output_dex, unicosmk_output_externs,
280 unicosmk_output_addr_vec, unicosmk_ssib_name,
281 unicosmk_initial_elimination_offset, unicosmk_asm_file_start,
282 unicosmk_asm_file_end, unicosmk_output_common,
283 unicosmk_section_type_flags, unicosmk_unique_section,
284 unicosmk_add_call_info_word, unicosmk_text_section,
285 unicosmk_data_section, unicosmk_extern_list, unicosmk_extern_head,
286 unicosmk_add_extern, unicosmk_dex, unicosmk_dex_list,
287 unicosmk_dex_count, unicosmk_special_name): New.
288 (TARGET_INSERT_ATTRIBUTES, TARGET_SECTION_TYPE_FLAGS): Define for
290 (get_aligned_mem, alpha_expand_unaligned_load,
291 alpha_expand_unaligned_store, alpha_expand_unaligned_load_words,
292 alpha_expand_unaligned_store_words): Support big-endian mode.
293 (print_operand): Likewise. New format specifier 't'. Use
294 TARGET_AS_SLASH_BEFORE_SUFFIX.
295 (alpha_is_stack_procedure): Rename from vms_is_stack_procedure.
296 (alpha_pv_save_size): Update with above change.
297 (alpha_sa_mask, alpha_sa_size, alpha_expand_prologue,
298 alpha_start_function, alpha_expand_epilogue): Likewise. Support Cray
301 * config/alpha/alpha.h (TARGET_ABI_UNICOSMK): New.
302 (TARGET_ABI_OSF): Exclude TARGET_ABI_UNICOSMK.
303 (TARGET_AS_SLASH_BEFORE_SUFFIX): New.
304 (EXTRA_CONSTRAINT): New constraint 'U'.
305 (PREDICATE_CODES): Add symbolic_operand.
307 * config/alpha/alpha.md (UNSPEC_UMK_LAUM, UNSPEC_UMK_LALM,
308 UNSPEC_UMK_LAL, UNSPEC_UMK_LOAD_CIW): New constants.
309 (mulsi3, *mulsi_se, mulvsi3): Disable for TARGET_ABI_UNICOSMK.
310 (integer division and modulus patterns): Split in default and
312 (*divmodsi_internal, *divmoddi_internal): Disable for
314 (unaligned_extend?idi, unaligned_load?i, unaligned_store?i): Split in
315 little-endian and big-endian versions.
316 (ext, ins, msk): Likewise.
317 (extv, extzv, insv): Support big-endian mode.
318 (call, call_value, tablejump): Support TARGET_ABI_UNICOSMK.
319 (call_umk, call_value_umk, *call_umk, tablejump_umk,
320 *tablejump_umk_internal, *call_value_umk): New.
321 (*movdi_nofix): Add pattern for loading an address into a register on
323 (umk_laum, umk_lal, umk_lalm, *umk_load_ciw): New.
324 (umk_mismatch_args, arg_home_umk): New.
325 (various insns): Don't use mov, fmov, nop, fnop and unop.
326 (realign): Support TARGET_ABI_UNICOSMK.
328 * config/alpha/unicosmk.h: New file.
329 * config/alpha/t-unicosmk: New file.
331 * fixinc/inclhack.def (unicosmk_restrict): New.
332 * fixinc/fixincl.x: Regenerate.
334 * ginclude/stddef.h (size_t): Check for and define __SIZE_T__.
335 (wchar_t): Check for and define __WCHAR_T__.
337 2001-09-11 Richard Sandiford <rsandifo@redhat.com>
339 * combine.c (simplify_shift_const): Treat shifts by the mode
342 2001-09-11 Neil Booth <neil@daikokuya.demon.co.uk>
344 * cpphash.h (struct tokenrun): New.
345 (struct cpp_context): New member bol.
346 (struct cpp_reader): New members.
347 (_cpp_init_tokenrun): New.
348 * cppinit.c (cpp_create_reader): Set up the token runs.
349 * cpplex.c (lex_directive, lex_token, next_tokenrun): New.
350 (lex_token): New internalised version of _cpp_lex_token. Don't
351 handle directives or the multiple include opimisation here any
352 more. Simply lex a token.
353 * cpplib.c (run_directive): Clear bol.
354 (_cpp_pop_buffer): Set bol.
355 * cppmacro.c (funlike_invocation_p): Keep tokens whilst parsing
358 2001-09-11 Michael Meissner <meissner@redhat.com>
360 * config/mips/mips.h (CC1_SPEC): If -mgp32 default to -mfp32, and
361 give an error if the user uses -mfp32.
362 (CPP_FPR_SPEC): Define __mips_fpr to be 32 or 64 depending on the
364 (CPP_SPEC): Define __mips_fpr to be 32 or 64, depending on the
365 floating point register size.
366 (EXTRA_SPECS): Add CPP_FPR_SPEC.
368 * config/mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Use
369 HOST_WIDE_INT_PRINT_DEC to properly print the result of
371 * config/mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Ditto.
372 * config/mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Ditto.
374 2001-09-11 Hans-Peter Nilsson <hp@axis.com>
376 * dbxout.c (dbxout_parms): Fix typo in comment.
377 * unroll.c (loop_find_equiv_value): Ditto.
378 * toplev.c (rest_of_compilation): Ditto.
379 * loop.c (scan_loop): Ditto.
380 * dwarf2out.c (struct dw_fde_struct): Ditto.
382 2001-09-10 Zack Weinberg <zackw@panix.com>
384 * cpplex.c (parse_identifier): Fast-path optimize. Avoid
385 copying identifier when we're just going to throw it away.
386 (parse_identifier_slow): New routine to handle abnormal cases.
387 (_cpp_lex_token): Update call site.
389 * hashtable.c (ht_lookup): Don't assume that the string we've
390 been given is NUL-terminated.
391 * system.h: #define __builtin_expect(a, b) to (a) if not
394 2001-09-10 Michael Meissner <meissner@redhat.com>
396 * config.gcc (sparc64-*-solaris2): Add alias to be compatible with
399 2001-09-10 David Edelsohn <edelsohn@gnu.org>
401 * config/rs6000/t-aix43 (SHLIB_INSTALL): Use mode 751 (a+x,r-o).
403 Mon Sep 10 16:26:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
405 * builtins.c (c_getstr): Correct thinko in last change and further
408 2001-09-10 Tim Freeman <tim@fungibole.com>
410 * dwarf2out.c (incomplete_types, decl_scope_table): Make them
411 into varray's and register them as roots with the garbage
412 collector so they are not collected too soon.
414 Mon Sep 10 14:21:26 CEST 2001 Jan Hubicka <jh@suse.cz>
416 * Makefile.in (cfg.o, cfganal.o, cfgloop.o, cfgbuild.o, cfgcleanup.o):
418 * basic-block.h (flow_obstack, label_value_list,
419 tail_recursion_label_list): Declare
420 (tidy_fallthru_edges): Declare.
421 (expunge_block, last_loop_beg_note): Delete.
422 (can_fallthru, flow_nodes_print, flow_edge_list_print): Declare.
424 (basic_block_for_insn, label_value_list): Move from flow.c; make global.
425 (n_basic_blocks, n_edges, basic_block_info, entry_exit_blocks,
426 init_flow, clear_edges, can_delete_note_p, can_delete_label_p,
427 flow_delete_insn, flow_delete_insn_chain, create_basic_block,
428 expunge_block, flow_delete_block, compute_bb_for_insn,
429 update_bb_for_insn, set_block_for_insn, set_block_for_new_insns,
430 make_edge, remove_edge, redirect_edge_succ, redirect_edge_succ_nodup,
431 redirect_edge_pred, split_block, marge_blocks_nomove, block_label,
432 try_redirect_by_replacing_jump, last_loop_beg_note,
433 redirect_edge_and_branch, redirect_edge_and_branch_force,
434 tidy_fallthru_edge, tidy_fallthru_edges, back_edge_of_syntactic_loop_p,
435 split_edge, insert_insn_on_edge, commit_one_edge_insertion,
436 commit_edge_insertions, dump_flow_info, debug_flow_info,
437 dump_edge_info, dump_bb, debug_bb, debug_bb_n, print_rtl_with_bb,
438 verify_flow_info, purge_dead_edges, purge_all_dead_edges):
439 Move here from flow.c
440 * cfganal.c: New file.
441 (forwarder_block_p, can_fallthru, mark_critical_edges,
442 mark_dfs_back_edges, need_fake_edge_p, flow_call_edges_add,
443 find_unreachable_blocks, create_edge_list, free_edge_list,
444 print_edge_list, verify_edge_list, find_edge_index, flow_nodes_print,
445 flow_edge_list_print, remove_fake_successors, remove_fake_edges,
446 add_noreturn_fake_exit_edges, connect_infinite_loops_to_exit,
447 flow_reverse_top_sort_order_compute, flow_depth_first_order_compute,
448 flow_dfs_compute_reverse_init, flow_dfs-compute_reverse_add_bb,
449 flow_dfs-compute_reverse_execute, flow_dfs_compute_reverse_finish);
450 Move here from flow.c
451 * cfgbuild.c: New file
452 (count_basic_blocks, find_label_refs, make_label_edge, make_eh_edge,
453 make_edges, find_basic_blocks_1, find_basic_blocks,
454 find_sub_basic_blocks): Move here from flow.c
455 * cfgcleanup.c: New file.
456 (try_simplify_condjump, try_forward_edges, tail_recursion_label_p,
457 merge_blocks_move_predecessor_nojumps,
458 merge_blocks_move_successor_nojumps, merge_blocks,
459 flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
460 try_crossjump_bb, try_optimize_cfg): Move here from flow.c
461 (delete_unreachable_blocks, cleanup_cfg): Likewise; return true
463 * cfgloop.c: New file
464 (flow_loops_cfg_dump, flow_loop_nested_p, flow_loop_dump,
465 flow_loops_dump, flow_loops_free, flow_loop_entry_edges_find,
466 flow_loop_exit_edges_find, flow_loop_nodes_find,
467 flow_loop_pre_header_scan, flow_loop_pre_header_find,
468 flow_loop_tree_node_add, flow_loops_tree_build,
469 flow_loop_level_compute, flow_loops_level_compute, flow_loop_scan,
470 flow_loops_find, flow_loops_update, flow_loop_outside_edge_p):
471 Move here from flow.c
472 * flow.c: Remove everything moved elsewhere
473 * output.h (cleanup_cfg): Return bool.
475 * bb-reorder.c (reorder_block_def): Remove 'index'.
476 (insert_intra_1): Add argument BB, set block for new note.
477 (make_reorder_chain): Do not depdent on BB indexes.
478 (make_reorder_chain_1): Do not use BB indexes.
479 (label_for_bb): Likewise; set BB for new insn.
480 (emit_jump_to_block_after): Likewise.
481 (fixup_reoder_chain): Sanity check that all basic blocks
482 are chained; verify newly created insn chain; remove
483 undocnitional jump simplifying; Do not use BB indexes;
484 properly initialize count and frequency information;
485 dump reordered sequence.
486 (insert_intra_bb_scope_notes): update call of insert_intra_1.
487 (insert_inter_bb_scope_notes): Set block for new insn.
488 (reorder_basic_blocks): Dump flow info before reoredering.
490 Mon Sep 10 06:47:35 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
492 * alias.c (clear_reg_alias_info): Use K&R format definition.
493 Avoid unsigned warning.
494 * builtins.c: Use "unsigned int", not "unsigned".
495 (target_char_cast): Use host_integerp and tree_low_cst.
496 (expand_builtin_args_info, expand_builtin_frame_address): Likewise.
497 (c_strlen): Likewise; OFFSET now HOST_WIDE_INT.
498 (c_getstr): Likewise.
499 (std_expand_builtin_va_arg): Use int_size_in_bytes.
500 (builtin_memcpy_read_str): Avoid unsigned warning.
501 (expand_builtin_memcpy): Alignments are unsigned.
502 (expand_builtin_strncpy, expand_builtin_memset): Likewise.
503 (expand_builtin_expect_jump): Use integer_zerop and integer_onep.
504 * predict.c (expensive_function_p): LIMIT now unsigned.
505 * resource.c (mark_target_live_regs): Make some vars unsigned.
506 * sdbout.c: Use "unsigned int", not "unsigned".
507 (MAKE_LINE_SAFE): Add cast to avoid unsigned warning.
508 (sdbout_source_line): Likewise.
509 (sdbout_record_type_name): Remove "const" for NAME declaration.
510 * config/alpha/alpha.c (alpha_expand_block_move): Whitespace fixes.
512 2001-09-10 Richard Sandiford <rsandifo@redhat.com>
514 * calls.c (store_one_arg): Expand comment.
516 2001-09-10 Roman Lechtchinsky <rl@cs.tu-berlin.de>
518 * calls.c (store_one_arg): Make sure that the entire argument is
519 pushed if STACK_PARMS_IN_REG_PARM_AREA is defined.
521 2001-09-09 Richard Henderson <rth@redhat.com>
523 * emit-rtl.c (adjust_address): Fix mode for LO_SUM.
525 Sun Sep 9 10:43:17 CEST 2001 Jan Hubicka <jh@suse.cz>
527 * loop.c (combine_givs): Fix computing of benefit once giv is combined.
529 2001-09-09 Richard Henderson <rth@redhat.com>
531 * config/alpha/alpha.c (alpha_next_sequence_number): New.
532 (alpha_this_literal_sequence_number): New.
533 (alpha_this_gpdisp_sequence_number): New.
534 (some_operand, input_operand): Add HIGH.
535 (local_symbolic_operand): New.
536 (alpha_encode_section_info): New.
537 (alpha_legitimate_address_p): Allow LO_SUM.
538 (alpha_legitimize_address): Generate HIGH+LO_SUM.
539 (alpha_expand_mov): Likewise.
540 (secondary_reload_class): Check memory_operand not general_operand
542 (alpha_expand_unaligned_load): Force LO_SUM addresses into a register.
543 (alpha_expand_unaligned_store): Likewise.
544 (alpha_expand_unaligned_load_words): Likewise.
545 (alpha_expand_unaligned_store_words): Likewise.
546 (alpha_expand_block_clear): Likewise.
547 (print_operand): Handle %#, %*, %H.
548 (print_operand_address): Handle LO_SUM.
550 (alpha_does_function_need_gp): Use it.
551 (alpha_expand_block_move): Fix signed compare warnings.
552 (alpha_sa_mask, alpha_align_insns): Likewise.
553 * config/alpha/alpha-protos.h: Update.
554 * config/alpha/alpha.h (TARGET_EXPLICIT_RELOCS): New.
555 (MASK_EXPLICIT_RELOCS): New.
556 (TARGET_SWITCHES): Add -mexplicit-relocs.
557 (EXTRA_CONSTRAINT): Add 'T'.
558 (PREFERRED_RELOAD_CLASS): HIGH goes in GENERAL_REGS.
559 (ASM_APP_ON, ASM_APP_OFF): Turn on and off asm macro expansion.
560 (ENCODE_SECTION_INFO): Out line.
561 (REDO_SECTION_INFO_P): New.
562 (STRIP_NAME_ENCODING): New.
563 (ASM_OUTPUT_LABELREF): New.
564 (PRINT_OPERAND_PUNCT_VALID_P): Add #, *.
565 (PREDICATE_CODES): Update.
566 * config/alpha/alpha.md (divmodsi_internal_er, divmoddi_internal_er,
567 call_osf_1_er_noreturn, call_osf_1_er, movdi_er_low, movdi_er_nofix,
568 movdi_er_fix, prologue_ldgp_1_er, builtin_setjmp_receiver_sub_label_er,
569 builtin_setjmp_receiver_er, exception_receiver_1_er,
570 call_value_osf_1_er): New patterns.
571 (sibcall_osf_1, sibcall_value_osf_1): Remove register alternative.
572 (movqi, movhi, movsi): Add explicit $31 base register to lda.
573 * config/alpha/elf.h (ASM_FILE_START): Set nomacro if explicit relocs.
574 (FINAL_PRESCAN_INSN): New.
576 Sat Sep 8 22:00:55 CEST 2001 Jan Hubicka <jh@suse.cz>
578 * reg-stack.c (subst_stack_regs_pat): Fix fcmov reversal code.
580 2001-09-08 Andreas Jaeger <aj@suse.de>
582 * i386.h (TARGET_SWITCHES): Fix description.
584 2001-09-07 David Edelsohn <edelsohn@gnu.org>
586 * rs6000.c (num_insns_constant): Compute number of instructions
589 * doc/install.texi: Explain AIX exception handling work-around.
590 Update URL for AIX fixes.
592 2001-09-07 Jim Wilson <wilson@redhat.com>
594 * alias.c (clear_reg_alias_info): New.
595 * flow.c (attempt_auto_inc): Call clear_reg_alias_info.
596 * rtl.h (clear_reg_alias_info): Declare.
598 2001-09-07 Roman Lechtchinsky <rl@cs.tu-berlin.de>
600 * real.c (EMUSHORT,EMUSHORT_SIZE): Use HImode if no 16-bit type is
602 (UEMUSHORT): New. Use instead of unsigned EMUSHORT.
603 (m16m,edivm,emulm): Change declaration to match definition.
605 2001-09-07 Roman Lechtchinsky <rl@cs.tu-berlin.de>
607 * reload.c (push_reload): Check for subreg_lowpart_p instead of
608 SUBREG_BYTE being 0 when determining if the inner part of a subreg
611 2001-09-07 Roman Lechtchinsky <rl@cs.tu-berlin.de>
613 * c-common.c (signed_or_unsigned_type): Handle machine mode types
614 which have no corresponding C type.
615 * fold_const.c (target_isinf,target_isnan,target_negative): Update
616 the representation of 64-bit doubles to work with 64-bit ints.
618 2001-09-07 Aldy Hernandez <aldyh@redhat.com>
620 * config/mips/mips.c (override_options): Do not override ISA when ABI
621 specified if MIPS_CPU_STRING_DEFAULT was specified.
623 2001-09-07 Richard Henderson <rth@redhat.com>
625 * loop.c (record_giv): Avoid simplifying MULT to ASHIFT.
626 (express_from_1): Wrap lines.
627 * rtlanal.c (commutative_operand_precedence): Rename from
628 operand_preference; export.
630 * simplify-rtx.c (simplify_gen_binary): Tidy +/- const_int handling.
631 (simplify_binary_operation): Invoke simplify_plus_minus on
632 (CONST (PLUS ...)) as well.
633 (struct simplify_plus_minus_op_data): New.
634 (simplify_plus_minus_op_data_cmp): New.
635 (simplify_plus_minus): Use them. Avoid infinite recursion with
636 simplify_binary_operation wrt CONST.
638 Fri Sep 7 11:52:30 2001 Kazu Hirata <kazu@hxi.com>
640 * h8300-protos.h (general_operand_dst_push): Remove.
641 * h8300.c (general_operand_dst_push): Likewise.
642 * h8300.h (OK_FOR_T): Likewise.
643 (EXTRA_CONSTRAINTS): Do not use OK_FOR_T.
644 * h8300.md (pushqi_h8300): New.
645 (pushqi_h8300hs): Likewise.
647 (pushhi_h8300): Likewise.
648 (pushhi_h8300hs): Likewise.
651 Fri Sep 7 12:56:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
653 * genattrtab.c (attr_printf): First arg is unsigned.
654 Clean up formatting of callers.
656 2001-09-06 Aldy Hernandez <aldyh@redhat.com>
658 * config/mips/mips.c (override_options): Allow abi32 with 64 bit
661 2001-09-07 Andreas Jaeger <aj@suse.de>
663 * i386.h (TARGET_SWITCHES): Fix descriptions.
665 2001-09-07 Matt Kraai <kraai@alumni.carnegiemellon.edu>
667 * stor-layout.c (compute_record_mode): Check DECL_SIZE is set.
669 2001-09-06 Ira Ruben <ira@apple.com>
671 Remove OP_IDENTIFIER.
672 * tree.def (OP_IDENTIFIER): Remove.
673 * tree.c (tree_node_kind enum): Remove op_id_kind.
674 (tree_node_kind_names): Remove "op_identifiers".
675 (make_node): Remove OP_IDENTIFIER test.
676 (build_op_identifier): Removed because it isn't being used.
677 * print-tree.c (print_node): Remove OP_IDENTIFIER case.
678 * cp/pt.c (tsubst): Remove OP_IDENTIFIER case.
680 2001-09-06 Richard Henderson <rth@redhat.com>
682 * simplify-rtx.c (simplify_binary_operation): Revert last change.
684 2001-09-06 Richard Henderson <rth@redhat.com>
686 * simplify-rtx.c (simplify_binary_operation): Simplify contents
689 2001-09-06 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
691 * config/rs6000/rs6000.c (rs6000_emit_prologue): Fix DWARF2 register
692 number used for CR register.
694 Thu Sep 6 11:16:35 2001 Jeffrey A Law (law@cygnus.com)
695 Joern Rennecke (amylaar@cygnus.com)
697 * h8300-protos.h (h8300_return_addr_rtx): New prototype.
698 * h8300.c (initial_offset): Handle offset between RP and FP.
699 (h8300_return_addr_rtx): New function.
700 * h8300.h (FIRST_PSEUDO_REGISTER): Bump now that we have a
702 (FIXED_REGISTERS, CALL_USED_REGISTERS): Corresponding changes.
703 (REG_ALLOC_ORDER, RETURN_ADDRESS_POINTER_REGNUM): Likewise.
704 (REG_CLASS_CONTENTS, ELIMINABLE_REGS): Likewise.
705 (CAN_ELIMINATE, REGISTER_NAMES):
706 (RETURN_ADDR_RTX): Call h8300_return_addr_rtx.
708 2001-09-06 Nathan Sidwell <nathan@codesourcery.com>
710 Remove TYPE_NONCOPIED_PARTS.
711 * tree.h (TYPE_NONCOPIED_PARTS): Remove.
712 (struct tree_type): Remove noncopied_parts.
713 * c-tree.h (TYPE_ACTUAL_ARG_TYPES): Map onto TYPE_BINFO.
714 * expr.c (save_noncopied_parts, init_noncopied_parts): Remove.
715 (fixed_type_p): Remove.
716 (expand_expr, INIT_EXPR): Don't deal with noncopied parts.
717 (expand_expr, MODIFY_EXPR): Likewise.
718 * ggc-common.c (ggc_mark_trees): Remove TYPE_NONCOPIED_PARTS.
719 * doc/c-tree.texi: Remove TYPE_NONCOPIED_PARTS FIXME.
721 2001-09-06 Alan Modra <amodra@bigpond.net.au>
723 * config/rs6000/rs6000.c (mask_operand): Use signed vars to avoid
725 (mask64_operand): Likewise.
726 (includes_rldic_lshift_p): Likewise.
727 (includes_rldicr_lshift_p): Likewise.
729 2001-09-05 Ziemowit Laski <zlaski@apple.com>
731 * objc/objc-act.c (build_message_expr): If a class method cannot
732 be found, do not issue a warning if a corresponding instance
733 method exists in the root class.
735 2001-09-05 Richard Henderson <rth@redhat.com>
737 * config/alpha/alpha.c (alpha_expand_mov): Initialize temp.
739 2001-09-05 Zack Weinberg <zack@codesourcery.com>
741 * function.c (ggc_mark_struct_function): Mark f->outer.
742 * toplev.c (rest_of_compilation): Clear DECL_SAVED_INSNS here...
743 * integrate.c (output_inline_function): ... not here.
745 Wed Sep 5 17:28:49 CEST 2001 Jan Hubicka <jh@suse.cz>
747 * profile.c (branch_prob): Call add_noreturn_fake_exit_edges.
749 * i386.c (size_cost): New static variable.
750 (override_function): Use size_cost when -Os is specified.
752 * i386.c (ix86_expand_prologue): Set use_fast_prologue_epilogue
753 properly; Use current_function_calls_eh_return.
754 (ix86_expand_epilogue): Avoid dummy optimize_size tests;
755 use leave to avoid depdendancy chain.
757 * local-alloc.c (update_equiv_regs): Use CFG to iterate over INSN stream;
758 get BB loop_depth instead of computing it from LOOP notes.
760 * reg-stack.c (subst_stack_reg_pat): Handle reversal of conditional moves.
762 2001-09-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
764 * som.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
765 * pa.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
766 UNALIGNED_DOUBLE_INT_ASM_OP): Define
768 2001-09-05 Jeffrey A Law (law@cygnus.com)
769 Jason Merrill (jason@redhat.com)
771 * stor-layout.c (layout_type): Complain if an array's size can
772 not be represented in a size_t.
774 * config/h8300/elf.h (ENDFILE_SPEC, STARTFILE_SPEC): Define.
776 2001-09-05 David Billinghurst <David.Billinghurst@riotinto.com>
778 * gcc.c: (process_command) Add parentheses around assignment
781 2001-09-05 Richard Sandiford <rsandifo@redhat.com>
783 * config/mips/mips.c (save_restore_insns): Don't mark any register
784 save slots as unchanging if current_function_calls_eh_return.
786 2001-09-05 Richard Henderson <rth@redhat.com>
788 * config/alpha/alpha.c (alpha_legitimate_address_p): New.
789 * config/alpha/alpha-protos.h: Declare it.
790 * config/alpha/alpha.h (GO_IF_LEGITIMATE_ADDRESS): Move to c file.
791 (NONSTRICT_REG_OK_FOR_BASE_P): Rename from non-strict macro.
792 (NONSTRICT_REG_OK_FP_BASE_P): Likewise.
793 (STRICT_REG_OK_FOR_BASE_P): Rename from strict macro.
794 (REG_OK_FOR_BASE_P): Select one of the above.
796 2001-09-05 Richard Sandiford <rsandifo@redhat.com>
798 * config/mips/t-elf (EXTRA_PARTS): Use EXTRA_MULTILIB_PARTS instead.
799 (crti.o): Prefix name of object file with $(T).
802 2001-09-05 David S. Miller <davem@redhat.com>
804 * config/sparc/linux.h: Set CPLUSPLUS_CPP_SPEC.
805 * config/sparc/linux64.h: Likewise.
807 2001-09-05 Andreas Jaeger <aj@suse.de>
809 * doc/invoke.texi (i386 Options): -mwide-multiply is not
810 available anymore, remove the documentation.
811 (i386 Options): Fix typo, cleanup index entries.
813 * prefix.c (concat): Remove, we can use the version from liberty.
815 2001-09-05 Richard Henderson <rth@redhat.com>
817 * config/alpha/alpha.c (alpha_expand_mov, alpha_expand_mov_nobwx):
818 New functions split out of md file expanders.
819 * config/alpha/alpha-protos.h: Declare them.
820 * config/alpha/alpha.md (movqi, movhi, movsi, movdi): Use them.
822 2001-09-05 Neil Booth <neil@daikokuya.demon.co.uk>
824 * cppmacro.c (funlike_invocation_p): No need to restore context.
826 2001-09-04 Richard Henderson <rth@redhat.com>
828 * reload.c (push_reload): Export.
829 * reload.h (push_reload): Declare it.
831 * config/alpha/alpha.h (LEGITIMIZE_ADDRESS): Move out o' line.
832 (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
833 * config/alpha/alpha.c (alpha_legitimize_address): New.
834 (alpha_legitimize_reload_address): Likewise.
835 * config/alpha/alpha-protos.h: Declare them.
837 2001-09-04 Stan Shebs <shebs@apple.com>
839 * config/darwin.h (ASM_DECLARE_FUNCTION_NAME): Define.
840 * config/darwin.c (machopic_stub_name): Account for internally
841 generated lib calls such as memcpy.
843 2001-09-04 Richard Henderson <rth@redhat.com>
845 * unwind.h (_UA_END_OF_STACK): New flag.
846 * unwind.inc (_Unwind_ForcedUnwind_Phase2): Set it.
848 Tue Sep 4 11:16:35 2001 Jeffrey A Law (law@cygnus.com)
850 * h8300/elf.h (LINK_SPEC): Redefine appropriately for the H8.
852 2001-09-04 Richard Sandiford <rsandifo@redhat.com>
854 * config/mips/mips.c (save_restore_insns): Change base_offset to
855 fp_offset in second call to mips_emit_frame_related_store.
857 2001-09-04 Hans-Peter Nilsson <hp@axis.com>
859 * doc/rtl.texi: Mention that besides as a CODE_LABEL, a label can
860 sometimes be represented as a NOTE of type
861 NOTE_INSN_DELETED_LABEL.
862 (Insns): Document NOTE_INSN_DELETED_LABEL.
864 2001-09-04 Nathan Sidwell <nathan@codesourcery.com>
866 * c-common.h (tree_dump_index): Add more comments.
867 * c-dump.c (dump_files): Name flags `tree' rather than `ast'.
868 (dump_option_value_info): New struct.
869 (dump_options): New array.
870 (dump_switch_p): Parse switch options symbolically.
871 * doc/invoke.texi (-fdump-ast): Rename to ...
872 (-fdump-tree): ... here. Document that options are symbolic, and
873 not all are applicable.
875 2001-09-04 David S. Miller <davem@redhat.com>
877 * config/sparc/sparc.md (define_splits): Kill constraints.
879 Cleanup redundant and unused insn attributes.
880 * config/sparc/sparc.md (define_attr "insn"): Kill address, unary,
881 binary, and move. Mark ialu as default.
882 (commented out define_function_unit "alu"): Kill.
883 (define_attr "use_clobbered"): Kill.
884 (whole file): Kill address insn type references. Replace
885 all unary/binary/move references with ialu.
886 * config/sparc/sparc.c (whole file): Kill TYPE_ADDRESS
887 references. Replace TYPE_{UNARY,BINARY,MOVE} references with
890 Simplify length insn attribute and make more judicious use
891 of insn attribute defaulting.
892 * config/sparc/sparc.md (all insns with length > one): Mark as
893 insn type multi if real instructions, else use default if
894 it is a forced splitter.
895 (all insns with length == one): Use default insn length.
896 (all insns of type ialu): Use default insn type.
898 Fix erroneous insn attribute settings.
899 (addx): Set insn type to misc.
900 (mulsidi3_sp64, const_mulsidi3_sp64, umulsidi3_sp64,
901 const_umulsidi3_sp64): Set insn type to imul.
903 Track SFmode vs DFmode insns according to UltraSPARC
905 * config/sparc/sparc.md ("fptype"): New attribute, default
907 (all DFmode single insns): Mark as fptype "double".
909 2001-09-03 Jakub Jelinek <jakub@redhat.com>
911 * loop.c (express_from_1): Fix CONSTANT_P(a) case.
913 2001-09-03 Richard Henderson <rth@redhat.com>
915 * function.h (struct function): Add arg_pointer_save_area_init.
916 * function.c (expand_function_end): Init arg_pointer_save_area.
917 (get_arg_pointer_save_area): Do not init arg_pointer_save_area
918 when called from a nested function.
920 2001-09-02 Angela Marie Thomas <angela@cygnus.com>
922 * fixinc/Makefile.in: Regenerate fixincl.x only if maintainer-mode
925 Sun Sep 2 18:37:54 CEST 2001 Jan Hubicka <jh@suse.cz>
927 * reload1.c (fixup_abnormal_edges): Allow NOTEs in the sequence.
929 2001-09-01 Geoffrey Keating <geoffk@redhat.com>
931 * expr.c (push_block): Make sane use of STACK_GROWS_DOWNWARD.
932 (emit_push_insn): Use specified padding direction when
933 STACK_PUSH_CODE is POST_INC.
935 * config/stormy16/stormy16.h (DWARF2_UNWIND_INFO): Define to 0.
937 2001-09-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
939 * mips.h (INITIAL_ELIMINATION_OFFSET): Add missing `else abort'.
941 2001-09-01 Neil Booth <neil@daikokuya.demon.co.uk>
943 * cppinit.c (cpp_start_read): Free the imacros list as we
944 traverse it. Don't free the chains before returning.
945 (_cpp_push_next_buffer): Only try pushing buffers if we've
946 completed -imacros handling.
948 2001-08-31 Eric Christopher <echristo@redhat.com>
950 * gcc.c (handle_braces): Add explaination for abort.
952 2001-08-30 Roman Zippel <zippel@linux-m68k.org>
954 * expmed.c (store_bit_field): Update to patch from 2001-08-27:
955 move adjustment of bitpos instead.
957 2001-08-31 Zack Weinberg <zack@codesourcery.com>
959 * function.c: Remove all_functions. Make outer_function_chain
961 (init_function_start): Don't add new function structure to
963 (find_function_data, push_function_context_to,
964 pop_function_context_from, put_var_into_stack,
965 trampoline_address): Update for changed structure element names.
966 (push_function_context_to): Disentangle.
967 (free_after_compilation): Also free F.
968 (expand_dummy_function_end): Don't free cfun here.
969 (put_var_into_stack): Comment why we can't use find_function_data here.
970 (fix_lexical_addr, trampoline_address, ): Use find_function_data.
971 (mark_function_chain): Split into maybe_mark_struct_function and
972 ggc_mark_struct_function. Export the latter.
973 (init_function_once): Mark from cfun and outer_function_chain;
976 * function.h (struct function): Kill next_global. Rename next
977 to outer. All users updated to match.
978 (all_functions, outer_function_chain): Don't declare.
980 * ggc-common.c (ggc_mark_trees): Mark DECL_SAVED_INSNS.
981 * integrate.c (output_inline_function): Clear DECL_SAVED_INSNS,
982 don't touch f->inlinable, after calling rest_of_compilation.
984 * tree.h: Forward-declare struct function. Prototype
985 ggc_mark_struct_function.
987 2001-08-31 Kazu Hirata <kazu@hxi.com>
989 * config/h8300/h8300.md (*andorhi3): Fix typos.
991 2001-08-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
993 * calls.c (emit_library_call_value): Don't use a fixed
994 argument after VA_CLOSE, i.e. out of scope in traditional C.
996 * emit-rtl.c (gen_rtvec): Likewise.
998 2001-08-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1000 * Makefile.in (c-pragma.o): Depend on output.h.
1001 (reorg.o): Depend on except.h.
1003 * c-pragma.c: Include output.h.
1005 * reorg.c: Include except.h.
1007 * unwind-dw2.c: Call __builtin_alloca, not alloca.
1009 2001-08-31 Richard Henderson <rth@redhat.com>
1011 * sched-deps.c (add_dependence): Don't elide dependancy if the
1012 conditional used by insn is modified in elem.
1014 2001-08-31 Nick Clifton <nickc@cambridge.redhat.com>
1016 * config/v850/v850.h (OUTPUT_ADDR_CONST_EXTRA): Define.
1018 2001-08-31 Diego Novillo <dnovillo@redhat.com>
1020 * c-decl.c (c_decode_option): Skip '-f' prefix before calling
1023 2001-08-31 Geoffrey Keating <geoffk@redhat.com>
1025 * config/stormy16/stormy16.c (stormy16_asm_out_destructor): New
1027 (stormy16_asm_out_constructor): New function.
1028 (TARGET_ASM_CONSTRUCTOR): Define.
1029 (TARGET_ASM_DESTRUCTOR): Define.
1031 2001-08-31 Andreas Jaeger <aj@suse.de>
1033 * gcse.c (add_label_notes): REG_LABEL is an INSN_LIST.
1034 * loop.c (add_label_notes): Likewise.
1035 * reload.c (find_reloads): Likewise.
1036 * config/sh/sh.c (machine_dependent_reorg): Likewise.
1038 2001-08-31 Jason Merrill <jason_merrill@redhat.com>
1040 * unwind-pe.h (read_uleb128, read_sleb128): Move actual reading
1041 code here. Take _Unwind_{W,Sw}ord*.
1042 (read_encoded_value_with_base): Use them.
1043 * unwind-dw2.c (_Unwind_FrameState): Make cfa_offset and cfa_reg
1045 (extract_cie_info): Simplify read_?leb128 handling.
1046 (execute_stack_op, execute_cfa_program): Likewise.
1047 * unwind-dw2-fde.c (get_cie_encoding): Likewise.
1049 2001-08-31 Geoffrey Keating <geoffk@redhat.com>
1051 * config/stormy16/stormy16.c (stormy16_expand_epilogue): Use
1052 the frame pointer to pop the stack if convenient.
1054 * config/stormy16/stormy16.c (stormy16_initialize_trampoline):
1055 Don't use post-increment before combine.
1056 * config/stormy16/stormy16.h (STATIC_CHAIN_REGNUM): Don't use
1057 a call-saved register.
1059 2001-08-31 Andreas Jaeger <aj@suse.de>
1061 * jump.c (mark_jump_label): Revert patch from 2001-08-28, the
1064 2001-08-30 Geoffrey Keating <geoffk@redhat.com>
1066 * config/stormy16/stormy16.md (udivmodhi4): Express using UDIV/UMOD,
1067 not DIV/MOD, of course.
1069 2001-08-30 Vladimir Makarov <vmakarov@redhat.com>
1071 * rtl.def: Undo my patch commited 2001-08-27.
1073 * genattrtab.c: Ditto.
1077 * sched-int.h: Ditto.
1079 * target-def.h: Ditto.
1083 * haifa-sched.c: Ditto.
1085 * sched-rgn.c: Ditto.
1087 * sched-vis.c: Ditto.
1089 * Makefile.in: Ditto.
1091 * doc/md.texi: Ditto.
1093 * doc/tm.texi: Ditto.
1095 * doc/contrib.texi: Ditto.
1097 * doc/gcc.texi: Ditto.
1099 * genattrtab.h: Remove it.
1101 * genautomata.c: Remove it.
1103 * genattr.c: Undo my patch and Richard Henderson's patch commited
1106 Thu Aug 30 19:22:15 2001 J"orn Rennecke <amylaar@redhat.com>
1108 * config.gcc (h8300-*-elf*): New case.
1109 * h8300.h (CPP_SPEC): Add subtarget_cpp_spec.
1110 (SUBTARGET_CPP_SPEC): Define.
1111 (EXTRA_SPECS): Define.
1112 (SUBTARGET_EXTRA_SPECS): Define.
1113 * config/h8300/crti.asm, config/h8300/crtn.asm: New files.
1114 * config/h8300/elf.h, config/h8300/t-elf: Likewise.
1116 Thu Aug 30 18:50:37 2001 J"orn Rennecke <amylaar@redhat.com>
1118 * t-h8300 (LIB1ASMFUNCS): Add _fixunssfdi and _fixunssfsi_asm.
1119 (LIB2FUNCS_EXTRA): Define.
1120 config/h8300/lib1funcs.asm: New part: L_fixunssfsi_asm .
1121 config/h8300/fixunssfsi.c: New file.
1123 2001-08-30 Kazu Hirata <kazu@hxi.com>
1125 * config/h8300/h8300.md (zero_extendqihi2): Changes to
1126 define_expand to accomodate target-specific attributes.
1127 (anonymous zero_extendqihi2 patterns): New.
1129 Thu Aug 30 18:10:56 2001 J"orn Rennecke <amylaar@redhat.com>
1131 * h8300.md (*andorhi3): New pattern.
1133 Thu Aug 30 16:00:31 2001 J"orn Rennecke <amylaar@redhat.com>
1135 * h8300.c (dosize): Fix test for "sub".
1137 Thu Aug 30 10:21:43 2001 J"orn Rennecke <amylaar@redhat.com>
1139 * c-typeck.c (pointer_diff): Try to eliminate common term before
1142 2001-08-30 Nick Clifton <nickc@cambridge.redhat.com>
1144 * config/arm/arm.c (arm_compute_initial_elimination_offset):
1145 Account for the saves of the FP registers.
1147 * config/arm/unknown-elf.h (TEXT_SECTION): Delete.
1148 (TEXT_SECTION_ASM_OP): Define.
1149 (INIT_SECTION_ASM_OP): Define.
1150 (FINI_SECTION_ASM_OP): Define.
1151 (SUBTARGET_EXTRA_SECTIONS): Remove trailing comma.
1152 (RDATA_SECTION_FUNCITON): Provide prototype.
1154 2001-08-29 Geoffrey Keating <geoffk@redhat.com>
1156 * reload1.c (move2add_note_store): Correct typo checking for
1159 2001-08-29 Andrew MacLeod <amacleod@redhat.com>
1161 * gcse.c (compute_hash_table): The SRC part of an insn with a RETVAL
1162 note should not be considered outside the libcall block.
1164 2001-08-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1166 * genattrtab.c (attr_printf): Use VA_OPEN/VA_FIXEDARG/VA_CLOSE.
1168 2001-08-29 Kazu Hirata <kazu@hxi.com>
1170 * config/h8300/h8300.md (movsi_h8300hs): Make it 64-bit safe.
1172 2001-08-29 Kazu Hirata <kazu@hxi.com>
1174 * config/h8300/h8300-protos.h: Add a prototype for
1176 * config/h8300/h8300.c (emit_logical_op): New.
1177 * config/h8300/h8300.md (andhi3): Use emit_logical_op.
1184 2001-08-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
1186 * pa.c (move_operand): Cast GET_MODE_SIZE results to HOST_WIDE_INT for
1187 comparison with rtx INTVAL.
1188 (pa_output_function_prologue): Don't mix signed and unsigned in `?'
1190 * pa.h (FUNCTION_ARG_SIZE): Likewise.
1192 2001-08-29 Kazu Hirata <kazu@hxi.com>
1194 * config/h8300/lib1funcs.asm: Update the copyright. Fix
1197 2001-08-29 Kazu Hirata <kazu@hxi.com>
1199 * config/h8300/h8300.md (anonymous movhi pattern): Don't move
1200 (reg n) to (mem (pre_dec (reg n))
1201 (anonymous movsi pattern): Likewise.
1203 2001-08-29 Kazu Hirata <kazu@hxi.com>
1205 * config/h8300/h8300.h (RETURN_ADDR_RTX): New.
1207 2001-08-29 Kazu Hirata <kazu@hxi.com>
1209 * config/h8300/h8300.md (movsi_h8300hs): Optimize loading of
1210 several special constants.
1212 2001-08-29 Kazu Hirata <kazu@hxi.com>
1214 * config/h8300/lib1funcs.asm: Fix comment typos.
1216 2001-08-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1218 * iris6.h (ASM_DECLARE_OBJECT_NAME, ASM_FINISH_DECLARE_OBJECT):
1219 Fix format specifier warnings.
1221 * irix6-libc-compat.c (inet_ntoa, inet_lnaof, inet_netof,
1222 inet_makeaddr, semctl): Prototype.
1224 * mips.c (compute_frame_size): Fix signed/unsigned warnings.
1225 (save_restore_insns): Use base_offset, not gp_offset.
1227 * mips.h (GP_REG_OR_PSEUDO_STRICT_P): Fix signed/unsigned warning.
1228 (ASM_OUTPUT_BYTE): Fix format specifier warning.
1230 2001-08-29 Richard Henderson <rth@redhat.com>
1232 * bb-reorder.c (function_tail_eff_head): New.
1233 (record_effective_endpoints): Set it.
1234 (fixup_reorder_chain): Use it.
1236 2001-08-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1238 * dwarf2asm.c (dw2_asm_output_nstring): Fix typo in previous change.
1240 2001-08-28 Dale Johannesen <dalej@apple.com>
1242 * config/darwin.c (machopic_function_base_name): Add const
1243 qualifier to a string.
1244 (darwin_encode_section_info): Ditto.
1246 2001-08-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1248 * tree.c (default_valid_attribute_p): Don't use PARAMS on a
1249 function definition.
1251 2001-08-28 Daniel Berlin <dan@cgsoftware.com>
1253 * df.h (struct df): Add rts_order variable.
1255 * df.c (df_visit_next_rts): New function.
1256 (df_visit_next): Renamed to df_visit_next_rc
1257 (df_analyse_1): Allocate/compute/free rts_order as well.
1258 (df_rd_global_compute): Use df_visit_next_rc instead of
1260 (df_ru_global_compute): Use df_visit_next_rts instead of
1263 * flow.c (flow_reverse_top_sort_order_compute): New function.
1265 * basic-block.h: Add prototype.
1267 2001-08-28 Daniel Berlin <dan@cgsoftware.com>
1269 * ssa-ccp.c (ssa_ccp_df_delete_unreachable_insns): For unreachable
1270 blocks, the BB_REACHABLE is now set, rather than aux being
1271 non-NULL. Update the test to reflect this.
1273 2001-08-28 Eric Christopher <echristo@redhat.com>
1275 * config/mips/crtn.asm: Add comment explaining 16 byte alignment.
1276 config/mips/crti.asm: Ditto.
1278 2001-08-28 Eric Christopher <echristo@redhat.com>
1279 Richard Henderson <rth@redhat.com>
1281 * c-pragma.h (add_weak): Move prototype from here...
1282 * output.h (add_weak): ... to here.
1283 * varasm.c (add_weak): Fix typo.
1284 * config/mips/crti.asm: New file.
1285 * config/mips/crtn.asm: Ditto.
1286 * config/mips/elf.h (SBSS_SECTION_ASM_OP) Add #undef.
1287 (CTOR_LISTS_DEFINED_EXTERNALLY): Remove.
1288 (INVOKE__main): Ditto.
1289 (INIT_SECTION_ASM_OP): New.
1290 (FINI_SECTION_ASM_OP): Ditto.
1291 (STARTFILE_SPEC): Add crti.
1292 (ENDFILE_SPEC): Add crtn.
1293 * config/mips/elf64.h: Same.
1294 * config/mips/rtems64.h (INVOKE__main, NAME__MAIN, SYMBOL__MAIN):
1296 * config/mips/vxworks.h: Ditto.
1297 * config/mips/t-elf: Support crti and crtn.
1299 2001-08-28 Alexandre Oliva <aoliva@redhat.com>
1301 * jump.c (mark_jump_label): Fix typo: REG_LABEL is EXPR_LIST, not
1304 2001-08-28 Richard Henderson <rth@redhat.com>
1306 * config/ia64/ia64.md (andcmbi3, iorcmbi3): Fix typos.
1307 (one_cmplbi2 splitter): Remove redundant test.
1309 2001-08-28 Dale Johannesen <dalej@apple.com>
1311 * config/rs6000/darwin.h (DEFAULT_SIGNED_CHAR): Define.
1313 2001-08-28 Danny Smith <dannysmith@users.sourceforge.net>
1315 * config/i386/cygwin.h (BIGGEST_FIELD_ALIGNMENT): Set to 64.
1317 2001-08-28 Stan Shebs <shebs@apple.com>
1319 * config/darwin.h (ASM_OUTPUT_LABELREF): Handle '*' names.
1320 (UNALIGNED_SHORT_ASM_OP): Define.
1321 (UNALIGNED_INT_ASM_OP): Define.
1323 2001-08-28 Will Cohen <wcohen@redhat.com>
1325 * config/rs6000/rs6000.md (store_multiple): Correct RTL
1326 generation for first set.
1328 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
1330 * flow.c (redirect_edge_succ_nodup): Return new edge.
1331 (try_simplify_condjump): Use new edge.
1332 * basic-block.h (redirect_edge_succ_nodup): Update prototype.
1334 * cse.c (cse_basic_block): Skip note instructions.
1336 2001-08-27 Richard Henderson <rth@redhat.com>
1338 * combine.c (combine_simplify_rtx): Don't reverse condition
1339 if there is no reverse for the condition.
1340 (simplify_comparison): Don't simplify subregs from INT to FP.
1342 * config/m68k/m68k.md (sordered, sordered_1, sunordered, sunordered_1,
1343 suneq, suneq_1, sunge, sunge_1, sungt, sungt_1, sunle, sunle_1,
1344 sunlt, sunlt_1, sltgt, sltgt_1, fsogt_1, fsoge_1, fsolt_1, fsole_1,
1345 bordered, bunordered, buneq, bunge, bungt, bunle, bunlt, bltgt,
1346 bordered_rev, bunordered_rev, buneq_rev, bunge_rev, bungt_rev,
1347 bunle_rev, bunlt_rev, bltgt_rev): New patterns.
1349 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
1351 * config/m68k/m68k.md (subreghi1ashrdi_const32, bsetmemqi,
1352 bsetmemqi+1, strict_low_part peephole): Fix SUBREG_BYTE offset.
1354 (adddi_dilshr32, adddi_dishl32): Only data register can be
1355 source for mem destination.
1357 * expmed.c (store_bit_field): Ignore adjustment to bitpos
1358 and use bitnum to decide about register move.
1360 2001-08-27 Richard Henderson <rth@redhat.com>
1362 * genattr.c (main): Emit state_t even when not doing scheduling.
1364 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
1365 Richard Henderson <rth@redhat.com>
1367 * gcse.c (reg_first_set, reg_last_set): Replace with ...
1368 (reg_avail_info, current_bb): ... these.
1369 (oprs_unchanged_p, record_last_reg_set_info): Use them.
1370 (compute_hash_table): Likewise.
1372 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
1374 * flow.c (verify_flow_info): Use checksums to verify edges.
1376 2001-08-27 Richard Henderson <rth@redhat.com>
1378 * genautomata.c (expand_automata): Always create a description.
1380 2001-08-27 Geoffrey Keating <geoffk@redhat.com>
1382 * optabs.c (expand_binop): Correctly handle the carry in multiword
1383 add/subtract operations.
1385 2001-08-27 Fred Fish <fnf@be.com>
1387 * ginclude/stddef.h: Fix typo, __SIZE__TYPE__ should be
1390 2001-08-27 Geoffrey Keating <geoffk@redhat.com>
1392 * reload.c (find_reloads_toplev): Back out this change:
1394 Wed Jul 26 19:44:05 2000 Hans-Peter Nilsson <hp@axis.com>
1396 * reload.c (find_reloads_toplev): Reload a paradoxical subreg of a
1397 mem if the address is a mode_dependent_address_p.
1399 2001-08-27 Vladimir Makarov <vmakarov@touchme.toronto.redhat.com>
1401 * rtl.def (DEFINE_CPU_UNIT, DEFINE_QUERY_CPU_UNIT, EXCLUSION_SET,
1402 PRESENCE_SET, ABSENCE_SET, DEFINE_BYPASS, DEFINE_AUTOMATON,
1403 AUTOMATA_OPTION, DEFINE_RESERVATION, DEFINE_INSN_RESERVATION): New
1406 * genattr.c (main): New variable num_insn_reservations. Increase
1407 it if there is DEFINE_INSN_RESERVATION. Output automaton based
1408 pipeline hazard recognizer interface.
1410 * genattrtab.h: New file.
1412 * genattrtab.c: Include genattrtab.h.
1413 (attr_printf, check_attr_test, make_internal_attr,
1414 make_numeric_value): Move protypes into genattrtab.h. Define them
1416 (num_dfa_decls): New global variable.
1417 (main): Process DEFINE_CPU_UNIT, DEFINE_QUERY_CPU_UNIT,
1418 DEFINE_BYPASS, EXCLUSION_SET, PRESENCE_SET, ABSENCE_SET,
1419 DEFINE_AUTOMATON, AUTOMATA_OPTION, DEFINE_RESERVATION,
1420 DEFINE_INSN_RESERVATION. Call expand_automata and write_automata.
1422 * genautomata.c: New file.
1424 * rtl.h (LINK_COST_ZERO, LINK_COST_FREE): Remove them.
1426 * sched-int.h: (curr_state): Add the external definition for
1427 automaton pipeline interface.
1428 (haifa_insn_data): Add comments for members blockage and units.
1430 * target-def.h (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE,
1431 TARGET_SCHED_INIT_DFA_PRE_CYCLE_INSN,
1432 TARGET_SCHED_DFA_PRE_CYCLE_INSN,
1433 TARGET_SCHED_INIT_DFA_POST_CYCLE_INSN,
1434 TARGET_SCHED_DFA_POST_CYCLE_INSN,
1435 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD,
1436 TARGET_SCHED_INIT_DFA_BUBBLES, TARGET_SCHED_DFA_BUBBLE): New
1438 (TARGET_SCHED): Use the new macros.
1440 * target.h (use_dfa_pipeline_interface, init_dfa_pre_cycle_insn,
1441 dfa_pre_cycle_insn, init_dfa_post_cycle_insn, dfa_post_cycle_insn,
1442 first_cycle_multipass_dfa_lookahead, init_dfa_bubbles,
1443 dfa_bubble): New members in gcc_target.sched.
1445 * haifa-sched.c (insert_schedule_bubbles_p): New variable.
1446 (MAX_INSN_QUEUE_INDEX): New macro for automaton interface.
1447 (insn_queue): Redefine it as pointer to array.
1448 (NEXT_Q, NEXT_Q_AFTER): Use MAX_INSN_QUEUE_INDEX instead of
1450 (max_insn_queue_index_macro_value): New variable.
1451 (curr_state, dfa_state_size, ready_try): New varaibles for
1452 automaton interface.
1453 (ready_element, ready_remove, max_issue): New function prototypes
1454 for automaton interface.
1455 (choose_ready): New function prototype.
1456 (insn_unit, blockage_range): Add comments.
1457 (unit_last_insn, unit_tick, unit_n_insns): Define them for case
1458 FUNCTION_UNITS_SIZE == 0.
1459 (insn_issue_delay, actual_hazard_this_instance, schedule_unit,
1460 actual_hazard, potential_hazard): Add comments.
1461 (insn_cost): Use cost -1 as undefined value. Remove
1462 LINK_COST_ZERO and LINK_COST_FREE. Add new code for automaton
1464 (ready_element, ready_remove): New functions for automaton
1466 (schedule_insn): Add new code for automaton pipeline interface.
1467 (queue_to_ready): Add new code for automaton pipeline interface.
1468 Use MAX_INSN_QUEUE_INDEX instead of INSN_QUEUE_SIZE.
1469 (debug_ready_list): Print newline when the queue is empty.
1470 (max_issue): New function for automaton pipeline interface.
1471 (choose_ready): New function.
1472 (schedule_block): Add new code for automaton pipeline interface.
1473 Print ready list before scheduling each insn.
1474 (sched_init): Add new code for automaton pipeline interface.
1475 Initiate insn cost by -1.
1476 (sched_finish): Free the current automaton state and finalize
1477 automaton pipeline interface.
1479 * sched-rgn.c: Include target.h.
1480 (init_ready_list, new_ready, debug_dependencies): Add new code for
1481 automaton pipeline interface.
1483 * sched-vis.c: Include target.h.
1484 (get_visual_tbl_length): Add code for automaton interface.
1485 (target_units, print_block_visualization): Add comments.
1487 * Makefile.in (GETRUNTIME, HASHTAB, HOST_GETRUNTIME, HOST_HASHTAB,
1488 USE_HOST_GETRUNTIME, USE_HOST_HASHTAB, HOST_VARRAY): New variables.
1489 (sched-rgn.o, sched-vis.o): Add new dependency file target.h.
1490 (getruntime.o, genautomata.o): New entries.
1491 (genattrtab.o): Add new dependency file genattrtab.h.
1492 (genattrtab): Add new dependencies. Link it with `libm.a'.
1493 (getruntime.o, hashtab.o): New entries for canadian cross.
1495 * doc/md.texi: Description of automaton based model.
1497 * doc/tm.texi (TARGET_SCHED_ISSUE_RATE, TARGET_SCHED_ADJUST_COST):
1499 (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE,
1500 TARGET_SCHED_DFA_PRE_CYCLE_INSN,
1501 TARGET_SCHED_INIT_DFA_PRE_CYCLE_INSN,
1502 TARGET_SCHED_DFA_POST_CYCLE_INSN,
1503 TARGET_SCHED_INIT_DFA_POST_CYCLE_INSN,
1504 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD,
1505 TARGET_SCHED_INIT_DFA_BUBBLES, TARGET_SCHED_DFA_BUBBLE): The new
1507 (TRADITIONAL_PIPELINE_INTERFACE, DFA_PIPELINE_INTERFACE,
1508 MAX_DFA_ISSUE_RATE): New macro descriptions.
1510 * doc/contrib.texi: Add dfa based scheduler contribution.
1512 * doc/gcc.texi: Add more information about genattrtab.
1514 2001-08-27 Diego Novillo <dnovillo@redhat.com>
1516 * flow.c (flow_loop_dump): Do not display insn UIDs if this is not
1519 2001-08-27 Richard Henderson <rth@redhat.com>
1521 * function.c (expand_function_end): Don't init arg_pointer_save_area.
1522 (get_arg_pointer_save_area): New. Create an init it here.
1523 (fix_lexical_addr): Use it.
1524 * function.h: Declare it.
1525 * builtins.c (expand_builtin_setjmp_receiver): Use it.
1526 * stmt.c (expand_nl_goto_receiver): Use it.
1528 2001-08-27 Richard Henderson <rth@redhat.com>
1530 * final.c (final_scan_insn): Don't enter APP_ON mode for
1533 * dwarf2asm.c (dw2_asm_output_encoded_addr_rtx): Use proper
1534 alignment for assemble_integer for DW_EH_PE_aligned.
1535 * except.c (output_function_exception_table): Likewise.
1537 2001-08-26 Andreas Jaeger <aj@suse.de>
1539 * c-tree.h: Add prototyp for c_sizeof_nowarn.
1541 2001-08-25 Dan Nicolaescu <dann@ics.uci.edu>
1543 * ssa-ccp.c (ssa_const_prop): Free ssa_edges.
1545 2001-08-27 Alan Modra <amodra@bigpond.net.au>
1547 * config/rs6000/rs6000.c (mask_operand): Rewrite without
1549 (mask64_operand): Likewise.
1550 (rldic_operand): Delete.
1551 (includes_lshift64_p): Delete.
1552 (includes_rldic_lshift_p): New function.
1553 (includes_rldicr_lshift_p): New function.
1554 (print_operand): Don't call rldic_operand in case 'W'.
1555 * config/rs6000/rs6000-protos.h (rldic_operand): Remove.
1556 (includes_lshift64_p): Remove.
1557 (includes_rldic_lshift_p): Declare.
1558 (includes_rldicr_lshift_p): Declare.
1559 * config/rs6000/rs6000.h (PREDICATE_CODES): Remove rldic_operand.
1560 * config/rs6000/rs6000.md <ashldi3_internal 64 bit patterns>:
1561 Replace match_operand rldic_operand predicate with
1562 const_int_operand. Replace includes_lshift64_p condition with
1563 includes_rldic_lshift_p.
1564 <ashldi3_internal 64 bit rldicr patterns>: New.
1566 2001-08-27 Andreas Jaeger <aj@suse.de>
1568 * emit-rtl.c: Use VA_OPEN/VA_CLOSE/VA_FIXEDARG throughout.
1569 * errors.c: Likewise.
1570 * final.c: Likewise.
1571 * dwarf2asm.c: Likewise.
1572 * doprint.c (checkit): Likewise.
1573 * diagnostic.c: Likewise.
1574 * collect2.c: Likewise.
1575 * calls.c: Likewise.
1576 * c-semantics.c (build_stmt): Likewise.
1577 * c-format.c (status_warning): Likewise.
1578 * c-errors.c (pedwarn_c99): Likewise.
1579 * builtins.c (validate_arglist): Likewise.
1580 * config/pj/pj.c (pj_printf): Likewise.
1581 * fix-header.c: Likewise.
1583 * gcov.c (fnotice): Likewise.
1584 * gensupport.c (message_with_line): Likewise.
1585 * mips-tfile.c: Likewise.
1586 * protoize.c (notice): Likewise.
1587 * read-rtl.c (fatal_with_file_and_line): Likewise.
1588 * rtl-error.c: Likewise.
1589 * tradcpp.c: Likewise.
1591 * cp/tree.c (build_min_nt): Likewise.
1592 (build_min): Likewise.
1593 * cp/lex.c: Likewise.
1594 * cp/errfn.c: Likewise.
1595 * cp/rtti.c (create_pseudo_type_info): Likewise.
1597 Sun Aug 26 20:25:44 2001 Denis Chertykov <denisc@overta.ru>
1599 * df.c (df_uses_record): Return after recording all uses
1602 2001-08-26 Daniel Berlin <dan@cgsoftware.com>
1604 * df.c (df_insn_modify): Realloc the INSN table here, if
1605 necessary, here, too.
1607 2001-08-26 Aldy Hernandez <aldyh@redhat.com>
1609 * config/mips/mips.c (mips_function_value): Handle complex return
1612 2001-08-25 Hans-Peter Nilsson <hp@bitrange.com>
1614 * reload1.c (reload): Make all entries in reg_equiv_memory_loc
1616 * reload.c (make_memloc): Copy result if it is still
1617 reg_equiv_memory_loc[regno] on return.
1618 (subst_reloads) [ENABLE_CHECKING]: Check that none of
1619 reg_equiv_constant, reg_equiv_memory_loc, reg_equiv_address and
1620 reg_equiv_mem are modified by the substitutions.
1622 Sat Aug 25 23:07:35 CEST 2001 Jan Hubicka <jh@suse.cz>
1624 * predict.c (expensive_function_p): New.
1625 * rtl.h (expensive_function_p): Declare.
1626 * i386.c (FAST_PROLOGUE_INSN_COUNT): New constant.
1627 (use_fast_prologue_epilogue): New static variable.
1628 (expand_prologue): Set it; emit short prologues if unset.
1629 (expand_epilogue): Likewise.
1631 2001-08-22 Geoffrey Keating <geoffk@redhat.com>
1633 * config.gcc: Add stormy16-*-elf case.
1634 * config/stormy16/stormy-abi: New file.
1635 * config/stormy16/stormy16-lib2.c: New file.
1636 * config/stormy16/stormy16-protos.h: New file.
1637 * config/stormy16/stormy16.c: New file.
1638 * config/stormy16/stormy16.h: New file.
1639 * config/stormy16/stormy16.md: New file.
1640 * config/stormy16/t-stormy16: New file.
1642 Sat Aug 25 15:46:51 CEST 2001 Jan Hubicka <jh@suse.cz>
1644 * i386.h (no-accumulate-outgoing-args): Use proper mask.
1646 2001-08-24 David Edelsohn <edelsohn@gnu.org>
1648 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Function
1649 descriptor members are pointer size, not constant 4.
1650 * config/rs6000/rs6000.md (define_splits): Remove more unused
1653 2001-08-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1655 * sparc.h (ASM_OUTPUT_BYTE): Fix format specifier warning.
1657 2001-08-24 Andreas Jaeger <aj@suse.de>, rkl@connect.org.uk
1659 * cp/rtti.c (VPARAMS): Fix parameter.
1661 2001-08-24 Zack Weinberg <zackw@panix.com>
1663 * expmed.c: Default-#define HAVE_insv, HAVE_extv, and HAVE_extzv
1665 (mode_for_extraction): No need for #ifdefs. Add default-case abort
1667 (store_bit_field): Eliminate insv_bitsize variable. Put HAVE_insv
1668 in if controlling use of insv.
1669 (extract_bit_field): Likewise, for extv and extzv.
1671 Fri Aug 24 17:27:46 CEST 2001 Jan Hubicka <jh@suse.cz>
1673 * i386.md (movcc peep2): Fix load of 0.
1675 2001-08-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1677 * fold-const.c (tree_expr_nonnegative_p): Handle *_DIV_EXPR,
1678 *_MOD_EXPR, SAVE_EXPR and NON_LVALUE_EXPR.
1680 2001-08-23 Jason Merrill <jason_merrill@redhat.com>
1682 * c-pragma.h: Move weak_syms and weak_decls...
1683 * varasm.c: ...here. Now static.
1684 (declare_weak, weak_finish, remove_from_pending_weak_list): Don't
1685 depend on HANDLE_PRAGMA_WEAK.
1687 * c-common.c (c_alignof, c_alignof_expr): Move here...
1688 * c-typeck.c: ...from here.
1689 * c-tree.h, c-common.h: Adjust.
1691 2001-08-23 Bernd Schmidt <bernds@redhat.com>
1693 * config/ia64/ia64.c (rws_update): If !pred, set write_count
1694 instead of incrementing it.
1696 * config/ia64/ia64.c (ia64_sched_reorder): When there's more than one
1697 asm ready, don't try to move them all into the same array element.
1699 Thu Aug 23 17:21:43 CEST 2001 Jan Hubicka <jh@suse.cz>
1701 * function.c (thread_prologue_and_epilogue_insns): Avoid
1702 fallthru flag on edge to exit.
1704 * i386.md (trunc?fsi splitter): Conditionionize for non-sse.
1706 * flow.c (delete_noop_moves, propagate_block_delete_insn): Purge
1709 2001-08-23 Lars Brinkhoff <lars@nocrew.org>
1711 * config/mcore/mcore.h (MACHINE_DEPENDENT_SIMPLIFY): Remove.
1712 * config/mcore/mcore.c (mcore_dependent_simplify_rtx): Likewise.
1713 * config/mcore/mcore-protos.h (mcore_dependent_simplify_rtx):
1716 2001-08-23 Lars Brinkhoff <lars@nocrew.org>
1718 * genconstants.c, genpreds.c, libfuncs.h, optabs.h, rtl-error.h:
1719 replace "GNU CC" with "GCC".
1721 2001-08-23 Richard Henderson <rth@redhat.com>
1723 * config/ia64/ia64.c (ia64_register_move_cost): Add mode arguemnt.
1724 Reorganize. Handle ADDL like GR, add GR_AND_BR. Handle TFmode.
1725 (ia64_secondary_reload_class): Need GR between AR/BR and anything.
1726 Need GR between FR and not GR_AND_FR.
1727 * config/ia64/ia64-protos.h (ia64_register_move_cost): Update.
1728 * config/ia64/ia64.h (reg_class): Add GR_AND_BR_REGS, move
1729 AR regs before GR regs.
1730 (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update.
1731 (PREFERRED_RELOAD_CLASS): Tweak for reordered classes.
1732 (REGISTER_MOVE_COST): Update.
1733 (MEMORY_MOVE_COST): Add GR_AND_FR_REGS.
1735 2001-08-23 Richard Henderson <rth@redhat.com>
1737 * regclass.c (init_reg_sets_1): Don't assume cost 2 within
1740 2001-08-22 Geoffrey Keating <geoffk@redhat.com>
1742 * reload1.c (emit_reload_insns): Don't look for notes
1743 on a NULL store_insn.
1745 2001-08-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1747 * sparc.c (uns_small_int): Don't reference a constant >32-bit.
1748 (addrs_ok_for_ldd_peep): Fix signed/unsigned warning.
1749 (sparc_flat_function_prologue, sparc_flat_function_epilogue): Fix
1750 format specifier warnings.
1751 (sparc_sched_reorder): Mark parameter with ATTRIBUTE_UNUSED.
1753 2001-08-22 David Billinghurst <David.Billinghurst@riotinto.com>
1755 * config/i386/i386-protos.h: Correct declaration of
1756 i386_pe_asm_named_section.
1758 2001-08-22 John David Anglin <dave@hiauly1.hia.nrc.ca>
1760 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Add declaration for
1762 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
1764 2001-08-22 Neil Booth <neil@daikokuya.demon.co.uk>
1766 * cpperror.c (print_location): Don't show _Pragma.
1767 * cppfiles.c (_cpp_pop_file_buffer): Handle -include file pushing
1768 and file change callback generation here.
1769 (stack_include_file): Update use of cpp_push_buffer.
1770 * cpphash.h (_cpp_pop_file_buffer): Update prototype.
1771 (struct cpp_buffer): Remove type, pfile members.
1772 * cppinit.c (cpp_handle_option): Use free_chain.
1773 * cpplex.c (_cpp_lex_token): Don't do -include file pushing here.
1774 (skip_escaped_newlines, get_effective_char, lex_percent): Take
1775 a cpp_reader rather than a cpp_buffer.
1776 (skip_escaped_newlines, get_effective_char, skip_block_comment,
1777 skip_line_comment, parse_string, lex_percent, lex_dot,
1778 _cpp_lex_token): Update accordingly.
1779 * cpplib.c (_cpp_pop_buffer): Don't do file change callback
1781 (cpp_push_buffer): Update prototype.
1782 (run_directive): Update use of cpp_push_buffer.
1783 (_cpp_do__Pragma, cpp_define, cpp_define_builtin, cpp_undef,
1784 handle_assertion): Update use of run_directive.
1785 * cpplib.h (enum cpp_buffer_type): Remove.
1786 (cpp_push_buffer): Update prototype.
1787 * fix-header.c (read_scan_file): Update.
1789 2001-08-22 Matt Kraai <kraai@alumni.carnegiemellon.edu>
1791 * gcc.c (struct prefix_list): Change prefix to const char *.
1793 2001-08-22 Matt Kraai <kraai@alumni.carnegiemellon.edu>
1795 * final.c (final_scan_insn): Call ADDR_VEC_ALIGN on next insn.
1797 2001-08-22 Jason Merrill <jason_merrill@redhat.com>
1799 * explow.c (set_mem_attributes): Avoid returning a bogus alias set
1802 * jump.c (squeeze_notes): Take parms by reference. Handle END being
1805 * ifcvt.c (dead_or_predicable): Adjust.
1806 * loop.c (find_and_verify_loops): Adjust.
1807 * stmt.c (expand_end_case): Adjust.
1808 * flow.c (merge_blocks_move_successor_nojumps): Adjust. Modify the
1809 head and end insn pointers in the basic block, not just local copies.
1810 (merge_blocks_move_predecessor_nojumps): Likewise.
1812 2001-08-22 Lars Brinkhoff <lars@nocrew.org>
1814 * Makefile.in, alias.c, basic-block.h, bb-reorder.c, bitmap.c,
1815 bitmap.h, builtin-types.def, builtins.c, builtins.def,
1816 c-aux-info.c, c-common.c, c-common.def, c-common.h,
1817 c-convert.c, c-decl.c, c-dump.c, c-dump.h, c-errors.c,
1818 c-format.c, c-lang.c, c-lex.c, c-lex.h, c-parse.in,
1819 c-pragma.c, c-pragma.h, c-semantics.c, c-tree.h, c-typeck.c,
1820 caller-save.c, calls.c, collect2.c, collect2.h, combine.c,
1821 conditions.h, config.gcc, configure.frag, configure.in,
1822 conflict.c, convert.c, convert.h, cppspec.c, crtstuff.c,
1823 cse.c, cselib.c, cselib.h, dbxout.c, dbxout.h, defaults.h,
1824 dependence.c, df.c, df.h, diagnostic.c, diagnostic.h,
1825 doloop.c, dominance.c, dwarf.h, dwarf2.h, dwarf2asm.c,
1826 dwarf2asm.h, dwarf2out.c, dwarf2out.h, dwarfout.c,
1827 emit-rtl.c, errors.c, errors.h, except.c, except.h,
1828 exgettext, explow.c, expmed.c, expr.c, expr.h, final.c,
1829 fixproto, flags.h, flow.c, fold-const.c, fp-test.c,
1830 function.c, function.h, gbl-ctors.h, gcc.c, gcc.h, gcc.hlp,
1831 gccspec.c, gcov-io.h, gcse.c, genattr.c, genattrtab.c,
1832 gencheck.c, gencodes.c, genconfig.c, genemit.c,
1833 genextract.c, genflags.c, gengenrtl.c, genmultilib,
1834 genopinit.c, genoutput.c, genpeep.c, genrecog.c,
1835 gensupport.c, gensupport.h, ggc-callbacks.c, ggc-common.c,
1836 ggc-none.c, ggc-page.c, ggc-simple.c, ggc.h, global.c,
1837 graph.c, graph.h, gthr-aix.h, gthr-dce.h, gthr-posix.h,
1838 gthr-rtems.h, gthr-single.h, gthr-solaris.h, gthr-vxworks.h,
1839 gthr-win32.h, gthr.h, haifa-sched.c, halfpic.c, halfpic.h,
1840 hard-reg-set.h, hwint.h, ifcvt.c, input.h, insn-addr.h,
1841 integrate.c, integrate.h, jump.c, lcm.c, libgcc2.c,
1842 libgcc2.h, lists.c, local-alloc.c, loop.c, loop.h,
1843 machmode.def, machmode.h, main.c, mbchar.c, mbchar.h,
1844 mips-tdump.c, mips-tfile.c, mklibgcc.in, mkmap-flat.awk,
1845 mkmap-symver.awk, optabs.c, output.h, params.c, params.def,
1846 params.h, predict.c, predict.def, predict.h, prefix.c,
1847 prefix.h, print-rtl.c, print-tree.c, profile.c, protoize.c,
1848 read-rtl.c, real.c, real.h, recog.c, recog.h, reg-stack.c,
1849 regclass.c, regmove.c, regrename.c, regs.h, reload.c,
1850 reload.h, reload1.c, reorg.c, resource.c, resource.h, rtl.c,
1851 rtl.def, rtl.h, rtlanal.c, sbitmap.c, sbitmap.h,
1852 sched-deps.c, sched-ebb.c, sched-int.h, sched-rgn.c,
1853 sched-vis.c, sdbout.c, sdbout.h, sibcall.c, simplify-rtx.c,
1854 ssa-ccp.c, ssa-dce.c, ssa.c, ssa.h, stmt.c, stor-layout.c,
1855 stringpool.c, system.h, timevar.c, timevar.def, timevar.h,
1856 tlink.c, toplev.c, toplev.h, tree.c, tree.def, tree.h,
1857 tsystem.h, unroll.c, unwind-dw2-fde.c, unwind-dw2-fde.h,
1858 unwind-dw2.c, unwind-pe.h, unwind-sjlj.c, unwind.h,
1859 unwind.inc, varasm.c, varray.c, varray.h, xcoffout.c,
1860 xcoffout.h: replace "GNU CC" with "GCC".
1862 2001-08-21 Richard Henderson <rth@redhat.com>
1864 * final.c (LABEL_ALIGN_AFTER_BARRIER): Default to no alignment.
1865 (final_scan_insn): Consider jump tables data even if we have no
1866 independant text section if !JUMP_TABLES_IN_TEXT_SECTION. Use
1868 * config/ia64/ia64.h (JUMP_TABLES_IN_TEXT_SECTION): Remove.
1869 (ASM_OUTPUT_CASE_END): Remove.
1870 (ASM_OUTPUT_ADDR_DIFF_ELT): Emit pc-relative references.
1871 * config/ia64/ia64.md (tablejump): Decode pc-relative references.
1872 * config/ia64/sysv4.h (ASM_OUTPUT_BEFORE_CASE_LABEL): Remove.
1874 2001-08-21 Richard Henderson <rth@redhat.com>
1876 * config/ia64/ia64.c (emit_all_insn_group_barriers): Flush state
1877 at barrier insns. Emit stop bits before barriers.
1879 * flow.c (flow_find_cross_jump): Don't consider unconditional
1880 return insns for commoning.
1882 * final.c (compute_alignments): Fix typo.
1884 * expmed.c (CODE_FOR_insv, gen_insv): Provide defaults.
1885 (CODE_FOR_extv, gen_extv, CODE_FOR_extzv, gen_extzv): Likewise.
1886 (store_bit_field): Use mode_for_extraction more places.
1887 (extract_bit_field): Likewise.
1889 2001-08-21 Zack Weinberg <zackw@panix.com>
1891 * caller-save.c: Don't include insn-codes.h.
1892 (reg_save_code, reg_restore_code): Make arrays of int.
1893 All uses updated to match.
1894 (insert_save, insert_restore): No need to initialize "code"
1895 variable upon declaration.
1896 * Makefile.in: update dependencies; fix typo in clean rule.
1898 2001-08-21 Richard Henderson <rth@redhat.com>
1900 * ifcvt.c (find_if_block): Allow join_bb as EXIT.
1901 (merge_if_block): Handle fallout from same.
1903 2001-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1905 * builtins.c (type_to_class): Fix typo in last change.
1907 2001-08-21 Richard Henderson <rth@redhat.com>
1909 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Don't emit '#' if
1910 ia64_asm_output_label.
1912 * config/ia64/crtbegin.asm (__do_global_dtors_aux): Use saved
1913 copy of gp while the real gp register contains garbage.
1915 2001-08-21 Zack Weinberg <zackw@panix.com>
1917 * expmed.c (mode_for_extraction): New function.
1918 (store_bit_field, extract_bit_field): Use it.
1919 * expr.h: Prototype it and provide an enum for its first argument.
1921 * combine.c, function.c, recog.c: Don't include insn-codes.h.
1922 Use mode_for_extraction rather than testing HAVE_insv/extv/extzv
1923 and digging through the insn_data tables.
1924 * Makefile.in: Update dependencies.
1926 2001-08-22 Neil Booth <neil@daikokuya.demon.co.uk>
1928 * cppfiles.c (stack_include_file): line-map.c now handles include
1930 (handle_missing_handler): Similarly.
1931 (_cpp_execute_include): Similarly.
1932 (_cpp_pop_file_buffer): Similarly.
1933 * cpphash.h (struct cpp_reader): Remove system_include_depth,
1934 buffer_stack_depth and include_depth.
1935 * cpplib.c (do_include_common): line-map.c now handles include depth.
1936 (cpp_push_buffer): Similarly.
1937 (_cpp_pop_buffer): Similarly.
1938 * cppmacro.c (builtin_macro): Update.
1939 * line-map.c (init_line_maps): Set depth.
1940 (add_line_map): Increment "used" earlier. Update and use the
1942 (trace_include): Use the include depth.
1943 * line-map.h (struct line_maps): New member depth.
1945 2001-08-21 Neil Booth <neil@daikokuya.demon.co.uk>
1947 * cppfiles.c (stack_include_file): Don't handle -H here.
1948 * cppinit.c (cpp_start_read): Set include tracing after
1949 cpp_post_options and after stacking the main file.
1950 * line-map.c (trace_include): New.
1951 (init_line_maps, add_line_map): Update.
1952 * line-map.h (struct line_maps): New member trace_includes.
1954 2001-08-21 Neil Booth <neil@daikokuya.demon.co.uk>
1956 * cppfiles.c (stack_include_file): Harmonize system headerness tests.
1957 * cppfiles.c (stack_include_file): Only stack a file if there
1958 is something to do. Return a boolean indicating whether a
1959 buffer was stacked or not.
1960 (_cpp_execute_include): Similarly.
1961 (_cpp_read_file): Similarly.
1962 * cpphash.h (_cpp_read_file, _cpp_execute_include): Update prototypes.
1964 2001-08-21 Sam Steingold <sds@gnu.org>
1966 * tradcpp.c (rescan): define obufp_before_macroname before RECACHE
1967 (RECACHE): keep obufp_before_macroname up to date
1969 2001-08-21 Zack Weinberg <zackw@panix.com>
1971 * stmt.c: Don't include insn-codes.h.
1972 (expand_end_case): Machine specific logic moved to expr.c.
1973 No need to worry about __builtin_classify_type.
1974 (check_for_full_enumeration_handling, emit_case_nodes):
1977 * builtins.o (expand_builtin_classify_type): Split up so code
1978 can be shared with fold_builtin_classify_type.
1979 (type_to_class, fold_builtin_classify_type): New functions.
1980 (fold_builtins): Handle __builtin_classify_type.
1982 * expr.c (do_tablejump): Now static.
1983 (case_values_threshold, try_casesi, try_tablejump): New;
1984 code mostly from stmt.c (expand_end_case).
1985 (expr.h): Update prototypes.
1987 * Makefile.in (stmt.o): Update dependencies.
1989 2001-08-21 Will Cohen <wcohen@redhat.com>
1991 * configure/alpha/alpha.h (CONDITIONAL_REGISTER_USAGE): Added local
1992 declaration of variable i.
1993 * configure/rs6000/rs6000.h (CONDITIONAL_REGISTER_USAGE): Added local
1994 declaration of variable i.
1996 2001-08-21 Richard Henderson <rth@redhat.com>
1998 * crtstuff.c: Fix thinko last change. Move list tails to start
1999 of CRT_END section. Tidy ifdefs.
2000 (__EH_FRAME_BEGIN__): Always static for ELF.
2001 (__do_global_ctors_1): Rename from __frame_dummy.
2002 * config/mips/iris6.h (LINK_SPEC): Update for __do_global_ctors_1
2003 name change; don't hide __EH_FRAME_BEGIN__.
2005 2001-08-21 Richard Henderson <rth@redhat.com>
2007 * gdbinit.in: Move break on exit after break on fancy_abort.
2009 * config/ia64/ia64.c (ia64_return_in_memory): True for variable
2012 2001-08-21 Neil Booth <neil@daikokuya.demon.co.uk>
2014 * cpphash.h (_cpp_push_next_buffer): New.
2015 * cppinit.c (do_includes): Remove.
2016 (push_include, free_chain, _cpp_push_next_buffer): New.
2017 (cpp_start_read): Use them to rework command line option handling.
2018 (cpp_handle_option): Combine handling of -include and -imacros.
2019 * cpplex.c (_cpp_lex_token): Push a new -include buffer if
2020 appropriate. Always insert missing \n at EOF.
2021 * cpplib.c (start_directive): Get the directive position right.
2022 * cppmain.c (cb_file_change): Always print the first line, unless
2025 2001-08-20 Andreas Jaeger <aj@suse.de>
2027 * profile.c (compute_branch_probabilities): Remove extra new-line
2029 * flow.c (verify_flow_info): Likewise.
2031 2001-08-20 Diego Novillo <dnovillo@redhat.com>
2033 * basic-block.h (basic_block): Add new field 'flags'.
2034 (BB_REACHABLE): Define.
2035 (expunge_block): Declare.
2036 * flow.c (ENTRY_BLOCK_PTR): Initialize field 'flags'.
2037 (EXIT_BLOCK_PTR): Ditto.
2038 (expunge_block): Remove static declaration.
2039 (cleanup_cfg): Clear bb->aux on every basic block.
2040 (find_unreachable_blocks): Set BB_REACHABLE bit in bb->flags when
2041 computing reachability.
2042 (delete_unreachable_blocks): Delete block b if b->flags has
2045 2001-08-20 Diego Novillo <dnovillo@redhat.com>
2047 * doc/invoke.texi: Replace references to -fdump-tree with -fdump-ast.
2049 2001-08-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2051 * sparc.c (sparc_variable_issue): Fix typo in last change.
2053 2001-08-20 Richard Henderson <rth@redhat.com>
2055 * varasm.c (assemble_integer): Document ppc-eabi -mrelocatable losage.
2057 2001-08-20 John David Anglin <dave@hiauly1.hia.nrc.ca>
2059 * pa.h (RETURN_IN_MEMORY): Improve comment.
2061 2001-08-20 Janis Johnson <janis187@us.ibm.com>
2063 * doc/invoke.texi (Profiling options): Clarify the interactions
2064 between -fprofile-arcs and -ftest-coverage, -fprofile-arcs.
2066 2001-08-20 Jeffrey Oldham <oldham@codesourcery.com>
2068 * crtstuff.c (__do_global_ctors): Fix typo in preprocessing
2071 2001-08-20 Matt Kraai <kraai@alumni.carnegiemellon.edu>
2073 * gcc.c (make_relative_prefix): Allocate a sufficiently large
2076 2001-08-20 Richard Henderson <rth@redhat.com>
2078 * final.c (end_final): Fix typo last change.
2080 2001-08-20 Neil Booth <neil@daikokuya.demon.co.uk>
2082 * cppinit.c (init_standard_includes): The returned buffer
2083 is already malloc-ed.
2084 * gcc.c (add_prefix): Similarly.
2085 * prefix.c (translate_name): Update to support clear buffer
2087 (update_path): Similarly. Be sure to free any newly allocated
2088 key. UPDATE_PATH_HOST_CANONICALIZE takes only one argument.
2090 * prefix.h (update_path): Update prototype and document.
2091 * config/i386/xm-djgpp.h (UPDATE_PATH_HOST_CANONICALIZE): Clean
2092 up and update to new buffer ownership rules.
2093 * doc/gcc.texi (UPDATE_PATH_HOST_CANONICALIZE): Update.
2095 Mon Aug 20 01:44:50 CEST 2001 Jan Hubicka <jh@suse.cz>
2097 * final.c (compute_alignments): New function.
2098 (init_insn_lengths): Do not care label_align.
2099 (LABEL_ALIGN_AFTER_BARRIER): Default to 1.
2100 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to 0.
2101 (JUMP_ALIGN, JUMP_ALIGN_MAX_SKIP): New.
2102 (shorted_branches): Realloc label_align array; do
2103 not call init_insn_lengths; Do not care about loop alignments.
2104 * output.h (compute_alignments): Declare.
2105 * toplev.c (rest_of_compilation): Call compute_alignments.
2106 * tm.texi (JUMP_ALIGN, JUMP_ALIGN_MAX_SKIP): Document.
2108 * predict.c (block_info_def): Add npredecesors, remove nvisited;
2109 change visited to tovisit.
2110 (propagate_freq): Use faster traversing algorithm.
2111 (estimate_loops_at_level, estimate_bb_frequencies): Change visited
2112 to tovisit; reverse meaning.
2114 * predict.c (struct block_info_def): Remove nvisited.
2115 (propagate_freq): Use EDGE_DFS_BACK to detect irreducible regions.
2116 (estimate_bb_frequencies): Call mark_dfs_back_edges.
2118 2001-08-19 Geoffrey Keating <geoffk@redhat.com>
2120 * doc/invoke.texi (MIPS Options): Document -mfused-madd.
2121 * config/mips/mips.h (MASK_NO_FUSED_MADD): New.
2122 (TARGET_FUSED_MADD): New.
2123 (TARGET_SWITCHES): Add -mfused-madd, -mno-fused-madd.
2124 * config/mips/mips.md: Add TARGET_FUSED_MADD as condition to
2125 the multiply-add instructions.
2127 2001-08-19 Richard Henderson <rth@redhat.com>
2129 * dwarf2asm.c (dw2_output_indirect_constant_1): The symbol ref
2130 is aligned to pointer size.
2132 2001-08-19 Richard Henderson <rth@redhat.com>
2134 * config/ia64/ia64.c (ia64_cycle_display): Only emit cycle
2135 display markers during final schedule.
2137 2001-08-19 Richard Henderson <rth@redhat.com>
2139 * function.c (gen_mem_addressof): Don't call get_alias_set if no decl.
2141 2001-08-19 Richard Henderson <rth@redhat.com>
2143 * config/ia64/ia64.h (STRIP_NAME_ENCODING): Handle @ and *
2145 (ASM_NAME_TO_STRING): Remove.
2146 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Handle @ and *
2147 in the same string. Remove support for expressions.
2149 2001-08-19 Richard Henderson <rth@redhat.com>
2151 * config/i386/i386.md (tablejump): Make an expander; handle
2152 pic relative addressing here.
2153 (tablejump_1): Rename from tablejump_pic.
2156 2001-08-19 Richard Henderson <rth@redhat.com>
2158 * regclass.c (fix_register): Fix typo.
2160 2001-08-18 Richard Henderson <rth@redhat.com>
2162 * config/ia64/unwind-ia64.c (UNW_REG_B0): New.
2163 (struct _Unwind_Context): Expand br_loc to hold it.
2164 (uw_frame_state_for): Handle leaf functions better.
2165 (uw_update_reg_address): Update for br_loc change.
2167 2001-08-18 Richard Henderson <rth@redhat.com>
2169 * crtstuff.c: Move list heads before code that uses them.
2170 (__JCR_LIST__): Remove initial null.
2171 (frame_dummy, __frame_dummy): Do java registration here ...
2172 (__do_global_ctors_aux): ... not here.
2174 * config/ia64/crtbegin.asm (dtor_ptr): Make gp-relative.
2175 (__do_global_dtors_aux): Update to match.
2176 (__JCR_LIST__, __do_jv_register_classes): New.
2178 * config/ia64/crtend.asm (__JCR_END__): New.
2179 (__do_global_ctors_aux): Use a GPREL64I reloc to __CTOR_END__
2180 instead of an indirect LTOFF22 reloc.
2182 2001-08-18 Richard Henderson <rth@redhat.com>
2184 * flow.c (mark_regs_live_at_end): Use regs_invalidated_by_call.
2185 * regclass.c (init_reg_sets_1): Fix typo.
2186 * config/ia64/ia64.c (ar_pfs_reg_operand): New.
2187 (ia64_expand_call): Pass ar.pfs to sibcall expanders.
2188 (ia64_compute_frame_size): Make ar.unat live when in use.
2189 (ia64_epilogue_uses): Reformat; do not check current_function_is_leaf
2190 for ar.pfs; remove ar.unat handling.
2191 * config/ia64/ia64.h (CALL_REALLY_USED_REGISTERS): ar.unat is
2193 (PREDICATE_CODES): Add ar_pfs_reg_operand.
2194 * config/ia64/ia64-protos.h: Update decls.
2195 * config/ia64/ia64.md (sibcall_nopic): Use ar.pfs.
2196 (sibcall_pic): Likewise.
2198 2001-08-18 Richard Henderson <rth@redhat.com>
2200 * config/ia64/ia64.c (ia64_sched_reorder2): Also skip past
2201 pred_rel_mutex when searching for insn_group_barrier.
2202 * config/ia64/ia64.md (cycle_display): Combine the expander
2205 * config/ia64/ia64.c (ia64_internal_sched_reorder): Emit stop
2206 bit before asm as needed.
2208 2001-08-18 Richard Henderson <rth@redhat.com>
2210 * timevar.def (TV_MACH_DEP): New.
2211 * toplev.c (rest_of_compilation): Use it.
2212 * config/ia64/ia64.c (ia64_reorg): Push to TV_SCHED2.
2214 2001-08-18 Zack Weinberg <zackw@panix.com>
2216 * unwind-dw2.c (execute_stack_op): Add default aborts to
2217 the inner switches to prevent warnings.
2219 2001-08-18 Richard Henderson <rth@redhat.com>
2221 * timevar.h (struct timevar_time_def): Change element type to float.
2222 (ticks_to_msec, clocks_to_msec): Likewise.
2223 (TICKS_TO_MSEC, CLOCKS_TO_MSEC): Rescale to seconds; use type float.
2224 (get_time): Likewise.
2225 (timevar_print): Adjust zero check and printing to match.
2227 2001-08-18 Zack Weinberg <zackw@panix.com>
2229 * doc/extend.texi, doc/gcc.texi, doc/install-old.texi,
2230 doc/invoke.texi, doc/md.texi, doc/rtl.texi, doc/include/gpl.texi:
2231 Eliminate overfull or underfull hboxes.
2233 2001-08-18 Zack Weinberg <zackw@panix.com>
2235 * cpperror.c: Use VA_OPEN/VA_CLOSE/VA_FIXEDARG throughout.
2237 2001-08-18 Zack Weinberg <zackw@panix.com>
2239 * haifa-sched.c: Convert to target hooks. Macros replaced
2240 are ISSUE_RATE, ADJUST_COST, ADJUST_PRIORITY, MD_SCHED_INIT,
2241 MD_SCHED_REORDER, MD_SCHED_REORDER2, MD_SCHED_VARIABLE_ISSUE,
2242 MD_SCHED_FINISH, and HAVE_cycle_display.
2243 * target-def.h (TARGET_SCHED_ADJUST_COST,
2244 TARGET_SCHED_ADJUST_PRIORITY, TARGET_SCHED_ISSUE_RATE,
2245 TARGET_SCHED_VARIABLE_ISSUE, TARGET_SCHED_INIT,
2246 TARGET_SCHED_FINISH, TARGET_SCHED_REORDER,
2247 TARGET_SCHED_REORDER2, TARGET_SCHED_CYCLE_DISPLAY):
2248 New hook #defines to be overridden.
2249 (TARGET_SCHED): Bring them all together.
2250 (TARGET_INITIALIZER): Update.
2251 * target.h: Don't forward declare struct rtx_def. Use 'rtx'
2252 instead of 'struct rtx_def *' throughout.
2253 (struct sched): New set of hooks for the scheduler.
2254 * Makefile.in (haifa-sched.o): Depend on target.h.
2255 * doc/tm.texi: Document the new scheduler hooks, together in
2256 their own section, instead of scattered around.
2257 Fix a bunch of underfull/overfull hboxes.
2259 * a29k.h, alpha.h, arm.h, c4x.h, convex.h, d30v.h, i386.h,
2260 ia64.h, m32r.h, m88k.h, mips.h, pa.h, rs6000.h, s390.h, sh.h,
2261 sparc.h: Don't define any of the old scheduler macros.
2263 * a29k.c, alpha.c, arm.c, c4x.c, convex.c, d30v.c, i386.c,
2264 ia64.c, m32r.c, m88k.c, mips.c, pa.c, rs6000.c, s390.c, sh.c,
2265 sparc.c: Create hook functions from code extracted from
2266 corresponding target header, or make existing hooks static, as
2267 appropriate. Set the appropriate entries in targetm.
2269 * alpha-protos.h, arm-protos.h, c4x-protos.h, d30v-protos.h,
2270 i386-protos.h, ia64-protos.h, m32r-protos.h, pa-protos.h,
2271 rs6000-protos.h, s390-protos.h, sparc-protos.h:
2272 Remove prototypes for functions which are now static.
2274 * d30v.h, d30v.c, m32r.h, m32r.c: Remove #ifdef HAIFA and
2275 related gunk; the Haifa scheduler is now the only choice.
2277 2001-08-18 Zack Weinberg <zackw@panix.com>
2279 * optabs.h (OTI_flodiv, flodiv_optab): Kill.
2280 * genopinit.c: Put floating point divide insns in sdiv_optab.
2281 * expr.c (expand_expr): Use sdiv_optab, not flodiv_optab.
2282 * config/gofast.h, config/c4x/c4x.h,
2283 config/ia64/hpux_longdouble.h, config/mips/mips.h,
2284 config/pa/long_double.h, config/rs6000/sysv4.h,
2285 config/sparc/sparc.h: Put floating point divide libcalls in sdiv_optab.
2286 * optabs.c (init_optab): Break into new_optab, init_optab, init_optabv.
2287 (init_optabs): Use init_optabv for overflow-trapping optabs.
2288 Don't init flodiv_optab. Give mov_optab, movstrict_optab, and
2289 cmp_optab RTX codes so have_insn_for can find them.
2291 * optabs.c (expand_simple_binop, expand_simple_unop,
2292 have_insn_for, gen_sub3_insn): New interfaces.
2293 * expr.h: Prototype new functions.
2294 (enum optab_methods): Move here from optabs.h.
2296 * builtins.c, combine.c, doloop.c, function.c, ifcvt.c,
2297 loop.c, profile.c, simplify-rtx.c, stmt.c, unroll.c:
2298 Use new functions instead of working directly with optabs.
2299 * doloop.c, ifcvt.c, loop.c, profile.c, simplify-rtx.c,
2300 unroll.c: Don't include optabs.h.
2301 * caller-save.c, combine.c, function.c, stmt.c: Just include
2302 insn-codes.h, not optabs.h.
2303 * Makefile.in: Update dependencies.
2305 * combine.c (make_compound_operation, simplify_comparison):
2306 Fix typos testing for this or that instruction.
2308 2001-08-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2310 * mklibgcc.in: Prefer LIB1ASMFUNCS over LIB2_DIVMOD_FUNCS when
2311 generating libgcc.a.
2313 2001-08-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2315 * except.c (TYPE_HASH): Delete.
2317 * objc/objc-act.c (HASHFUNCTION): Cast to size_t, not
2320 * tree.c (TYPE_HASH): Delete.
2322 * tree.h (TYPE_HASH): Define.
2324 2001-08-18 Graham Stott <grahams@redhat.com>
2326 * config/mips/mips.md (adddi3_internal_2+1): Remove contraints from
2328 (adddi3_internal_2+2): Likewise.
2329 (eh_set_lr_di+1): Likewise.
2331 2001-08-17 Richard Henderson <rth@redhat.com>
2333 * defaults.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
2334 UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Move from ...
2335 * dwarf2asm.c: ... here.
2336 * dwarfout.c: Remove them.
2338 * varasm.c (assemble_integer): Add align parameter.
2339 (assemble_real, output_constant, output_constructor): Likewise.
2340 * output.h: Update decls.
2341 * dwarf2asm.c, final.c, varasm.c, config/darwin.c, config/nextstep.c,
2342 config/alpha/alpha.c, config/arm/arm.md, config/clipper/clipper.c,
2343 config/m88k/m88k.c, config/mcore/mcore.md, config/mips/mips.h,
2344 config/mips/mips.md, config/pa/pa.c, config/rs6000/rs6000.c,
2345 config/rs6000/rs6000.h, config/s390/s390.h, config/sh/sh.md:
2348 * final.c (end_final): Abort profile block generation if we
2349 havn't layed it out properly.
2350 * output.h (assemble_eh_integer): Remove stale decl.
2351 * varasm.c (assemble_zeros): Tidy; use assemble_integer.
2353 (assemble_integer): Handle unaligned data.
2354 (assemble_real): Abort on unaligned data.
2355 (output_constructor): Don't assume ASM_OUTPUT_ALIGN 0 does
2357 (default_dtor_section_asm_out_destructor): Use assemble_align.
2358 (default_named_section_asm_out_constructor): Likewise.
2359 (default_ctor_section_asm_out_constructor): Likewise.
2360 * config/darwin.c (machopic_asm_out_constructor): Likewise.
2361 (machopic_asm_out_destructor): Likewise.
2362 * config/nextstep.c (nextstep_asm_out_constructor): Likewise.
2363 (nextstep_asm_out_destructor): Likewise.
2364 * config/alpha/alpha.c (vms_asm_out_constructor): Likewise.
2365 (vms_asm_out_destructor): Likewise.
2367 2001-08-17 Richard Henderson <rth@redhat.com>
2369 * config/mips/iris6.h (TARGET_IRIX6): New.
2370 (current_section_name, current_section_flags): New.
2371 (ASM_OUTPUT_ALIGN, ASM_FILE_START, ASM_FILE_END): New.
2372 (MAX_OFILE_ALIGNMENT): New.
2373 (ASM_OUTPUT_ALIGNED_LOCAL): Use bss_section.
2374 * config/mips/mips.c (mips_make_temp_file, temp_filename): Remove.
2375 (copy_file_data): Split out from
2376 (mips_asm_file_end): ... here.
2377 (mips_asm_file_start): Remove extra .section directive. Use
2378 tmpfile instead of mips_make_temp_file.
2379 (mips_unique_section): Use const char * as needed for warnings.
2380 (iris6_asm_named_section_1): Renamed from iris6_asm_named_section;
2381 re-add align parameter.
2382 (iris6_asm_named_section): New.
2383 (iris_section_align_entry_eq, iris_section_align_entry_hash): New.
2384 (iris6_asm_output_align, iris6_section_align_1): New.
2385 (iris6_asm_file_start, iris6_asm_file_end): New.
2386 * config/mips/mips-protos.h: Update decls.
2388 2001-08-17 Janis Johnson <janis187@us.ibm.com>
2390 * doc/install.texi (Install GCC): Add links to build status pages.
2392 (Final install): Ditto; request updates for specific info
2394 2001-08-17 Neil Booth <neil@daikokuya.demon.co.uk>
2396 * cpperror.c (print_location): Don't take a file name; use the
2398 (_cpp_begin_message): Similarly.
2399 (cpp_ice, cpp_fatal, cpp_error, cpp_error_with_line, cpp_warning,
2400 cpp_warning_with_line, cpp_pedwarn, cpp_pedwarn_with_line): Update.
2401 (cpp_pedwarn_with_file_and_line): Remove.
2402 * cppfiles.c (stack_include_file): Update; set filename to stdin
2403 here when appropriate.
2404 * cpphash.h (struct cpp_buffer): Remove nominal_fname.
2405 (_cpp_begin_message): Don't take a file name.
2406 * cppinit.c: Add comment.
2407 * cpplex.c: Fix end-of-directive indicator.
2408 * cpplib.c: Don't include intl.h.
2409 (run_directive, do_diagnostic): Update.
2410 (do_line): Update to not use nominal_fname.
2411 (cpp_push_buffer): Don't take a filename.
2412 * cpplib.h (struct ht): Remove.
2413 (cpp_push_buffer): Don't take a filename.
2414 (cpp_pedwarn_with_file_and_line): Remove.
2415 * cppmacro.c (struct cpp_macro): Remove file.
2416 (builtin_macro): Update.
2417 (_cpp_create_definition): Update.
2418 * cppmain.c: Correct comment.
2419 * fix-header.c (read_scan_file): Update.
2421 2001-08-17 Kazu Hirata <kazu@hxi.com>
2423 * sbitmap.c: Fix comment formatting.
2424 * sched-deps.c: Likewise.
2425 * sibcall.c: Likewise.
2426 * simplify-rtx.c: Likewise.
2428 * ssa-ccp.c: Likewise.
2429 * stor-layout.c: Likewise.
2430 * timevar.c: Likewise.
2431 * toplev.c: Likewise.
2432 * unwind-dw2.c: Likewise.
2433 * unwind-dw2-fde.c: Likewise.
2434 * varasm.c: Likewise.
2436 2001-08-17 John David Anglin <dave@hiauly1.hia.nrc.ca>
2438 * pa.h (RETURN_IN_MEMORY): Return types with a size that is varable
2439 or larger than an integer in memory.
2441 2001-08-17 Zack Weinberg <zackw@panix.com>
2443 * system.h: Forward-declare struct rtx_def, struct rtvec_def,
2444 and union tree_node. Typedef rtx, rtvec, and tree. Fix comment.
2445 * rtl.h: Don't forward-declare union tree_node here. Don't
2446 typedef rtx or rtvec here. Change all uses of struct rtx_def *,
2447 struct rtvec_def *, or union tree_node * to use rtx, rtvec,
2448 and tree respectively.
2449 * tree.h: Don't forward-declare struct rtx_def here. Don't
2450 typedef tree here. Change all uses of struct rtx_def *,
2451 struct rtvec_def *, or union tree_node * to use rtx, rtvec,
2452 and tree respectively.
2454 2001-08-17 Richard Henderson <rth@redhat.com>
2456 * config/mips/elf.h, config/mips/elf64.h, config/mips/netbsd.h,
2457 config/mips/openbsd.h: Fix typos last change.
2459 2001-08-17 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2461 * doc/invoke.texi (Optimize Options): The default for
2462 -finline-limit is 600.
2464 2001-08-17 Richard Henderson <rth@redhat.com>
2466 * varasm.c (text_section): Allow TEXT_SECTION to override the
2467 printing of TEXT_SECTION_ASM_OP.
2468 * dwarf2out.c (TEXT_SECTION_NAME): Rename from TEXT_SECTION.
2469 (DATA_SECTION, BSS_SECTION): Remove.
2470 * dwarfout.c (TEXT_SECTION_NAME, DATA_SECTION_NAME, DATA1_SECTION_NAME,
2471 RODATA_SECTION_NAME, RODATA1_SECTION_NAME, BSS_SECTION_NAME):
2472 Rename from s/_NAME//.
2473 * config/mips/mips.h (TARGET_FILE_SWITCHING): Add !TARGET_MIPS16.
2474 (ASM_DECLARE_FUNCTION_NAME): Move file switching ...
2475 (TEXT_SECTION): ... here. New.
2476 * config/mips/elf.h (TEXT_SECTION): New; no file switching.
2477 * config/mips/elf64.h, config/mips/netbsd.h: Likewise.
2478 * config/mips/openbsd.h: Likewise.
2479 * config/mips/mips.c (mips_asm_file_start): Tidy file switching test.
2480 (mips_asm_file_end): Likewise test.
2481 (mips_output_function_epilogue): Likewise. Switch back to data
2482 section after emitting the function.
2484 * doc/tm.texi (Sections): Document TEXT_SECTION.
2486 2001-08-17 Richard Henderson <rth@redhat.com>
2488 * dwarf2out.c (dwarf2out_init): Don't emit .debug_loc label here.
2489 (dwarf2out_finish): Do it here. Emit .debug_loc before .debug_info.
2491 2001-08-17 Richard Henderson <rth@redhat.com>
2493 * varasm.c (assemble_variable): Don't overalign if DECL_USER_ALIGN.
2494 * crtstuff.c (__CTOR_LIST__, __DTOR_LIST__, __EH_FRAME_BEGIN__,
2495 __JCR_LIST__, __CTOR_END__, __DTOR_END__, __FRAME_END__,__JCR_END__):
2496 Add aligned attribute.
2498 2001-08-17 Andrew Haley <aph@cambridge.redhat.com>
2500 * config/sh/sh.md: Add modes to unspecs in first insn to match
2501 those in the second.
2503 * Makefile.in: Fix collect2 copy for Cygwin.
2505 Fri Aug 17 15:48:57 CEST 2001 Jan Hubicka <jh@suse.cz>
2507 Install the proper patch.
2508 * function.c (put_var_into_stack): Temporarily clear DECL_RTL.
2509 (assign_params): Avoid setting DECL_RTL to unfinished RTX.
2510 (expand_function_start): Likewise.
2511 * stmt.c (expand_decl): Likewise.
2512 * varasm.c (make_decl_rtx): Likewise.
2514 Fri Aug 17 15:41:35 CEST 2001 Jan Hubicka <jh@suse.cz>
2516 * final.c: Undo my previous accidental checkin.
2517 * output.h: Likewise.
2518 * tm.texi: Likewise.
2520 2001-08-16 Richard Henderson <rth@redhat.com>
2522 * varasm.c (named_section_flags): Remove align parameter.
2523 * varasm.c, dwarf2out.c: Update all callers.
2524 * output.h: Update prototypes.
2526 * target.h (target.asm_out.named_section): Remove align parameter.
2527 * varasm.c, config/a29k/a29k.c, config/alpha/alpha.c,
2528 config/arm/arm.c, config/c4x/c4x.c, config/h8300/h8300.c,
2529 config/i386/i386.c, config/i386/winnt.c, config/m68k/m68k.c,
2530 config/mcore/mcore.c, config/mips/mips.c, config/rs6000/rs6000.c,
2531 config/sh/sh.c, config/sparc/sparc.c: Update implementations to match.
2533 * varasm.c (in_named_entry_eq, in_named_entry_hash): New.
2534 (get_named_section_flags, set_named_section_flags): New.
2535 (named_section_flags): Use them.
2536 (named_section): Do decl vs section flags check here...
2537 (default_section_type_flags): ... not here.
2538 (init_varasm_once): Create in_named_htab.
2539 (resolve_unique_section): Mark reloc unused.
2541 2001-08-16 Richard Henderson <rth@redhat.com>
2543 * varasm.c (force_const_mem): Keep pool alignment in bits.
2544 (output_constant_pool): Use assemble_align.
2546 2001-08-16 Zack Weinberg <zackw@panix.com>
2548 * doc/tm.texi: Remove extra @table command.
2550 2001-08-16 Zack Weinberg <zackw@panix.com>
2552 * final.c (shorten_branches): Clear the end of the label_align
2553 array only if we made it larger. Break up messy expressions
2556 * diagnostic.c (internal_error): Check for error recursion
2557 before doing ICE suppression.
2559 * timevar.c: Timing variables now count in milliseconds.
2560 (init_timevar): Set up ticks_to_msec and clocks_to_msec here.
2561 (get_time): Not here.
2562 (timevar_print): Don't print any timer whose user, cpu, and
2563 wall times are all zero as displayed.
2564 * timevar.h: Update comment aboout units. Make timevar
2567 Thu Aug 16 17:39:45 CEST 2001 Jan Hubicka <jh@suse.cz>
2569 * function.c (put_var_into_stack): Temporarily clear DECL_RTL.
2570 (assign_params): Avoid setting DECL_RTL to unfinished RTX.
2571 (expand_function_start): Likewise.
2572 * stmt.c (expand_decl): Likewise.
2573 * varasm.c (make_decl_rtx): Likewise.
2575 2001-08-16 Jason Merrill <jason_merrill@redhat.com>
2577 * stor-layout.c (layout_decl): Don't set DECL_USER_ALIGN.
2578 (finalize_record_size): Don't set TYPE_USER_ALIGN.
2580 2001-08-16 Matt Kraai <kraai@alumni.carnegiemellon.edu>
2582 * config/i386/i386.c (ix86_init_mmx_sse_builtins): Remove unused
2585 2001-08-16 Andreas Jaeger <aj@suse.de>
2587 * config/s390/s390.c: Include "debug.h" for dwarf2out_do_frame
2590 Wed Aug 15 15:22:52 EDT 2001 John Wehle (john@feith.com)
2592 * rtl.h (only_sets_cc0_p): New prototype.
2593 * jump.c (sets_cc0_p): Handle INSN.
2594 (only_sets_cc0_p): New function.
2595 * flow.c (merge_blocks_nomove): Use only_sets_cc0_p.
2596 (tidy_fallthru_edge): Likewise.
2597 * integrate.c (copy_insn_list): Likewise.
2598 * unroll.c (unroll_loop): Likewise.
2599 (copy_loop_body): Likewise.
2601 2001-08-15 Jason Eckhardt <jle@redhat.com>
2603 * config/i960/i960.md (trap): Change "faulteq.t" to "faulte.t".
2605 Wed Aug 15 14:24:22 CEST 2001 Jan Hubicka <jh@suse.cz>
2607 * predict.c (struct block_info_def): Remove nvisited.
2608 (propagate_freq): Use EDGE_DFS_BACK to detect irreducible regions.
2609 (estimate_bb_frequencies): Call mark_dfs_back_edges.
2611 * i386.c (ix86_agi_depdendant): Lea causes AGI only on the Pentium
2612 (ix86_adjust_cost): Teach scheduler that latency to load operand can
2615 Wed Aug 15 12:41:32 CEST 2001 Jan Hubicka <jh@suse.cz>
2617 * predict.def: Update hitrates.
2619 2001-08-15 Richard Henderson <rth@redhat.com>
2621 * except.c (TYPE_HASH): Cast to size_t, not HOST_WIDE_INT.
2623 Tue Aug 14 17:30:59 2001 Jeffrey A Law (law@cygnus.com)
2625 * flow.c (commit_one_edge_insertion): Don't separate a LOOP_BEG
2626 note from its associated jump.
2628 2001-08-14 Ulrich Weigand <uweigand@de.ibm.com>
2630 * config/s390/linux64.h (CPP_PREDEFINES): Define __s390__
2631 also on 64-bit s390x targets.
2633 2001-08-14 Nick Clifton <nickc@cambridge.redhat.com>
2635 * config/arm/arm.c (arm_compute_initial_elimination_offset): New
2637 (arm_expand_prologue): Handled nested functions which take a
2638 variable argument list.
2639 * config/arm/arm.h (ARM_INITIAL_ELIMINATION_OFFSET): Replace
2640 macro with an invocation of
2641 arm_compute_initial_elimination_offset.
2642 * config/arm/arm-protos.h: Prototype
2643 arm_compute_initial_elimination_offset.
2645 2001-08-14 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2647 * doc/install.texi (Specific, avr): Fix markup.
2648 (Specific, c4x): Ditto.
2650 2001-08-14 Matt Kraai <kraai@alumni.carnegiemellon.edu>
2652 * predict.c (dump_prediction): Change `bool' parameter to `int'.
2654 2001-08-14 Gabriel Dos Reis <gdr@codesourcery.com>
2656 * Makefile.in (OBJS): Add rtl-error.o
2657 (rtl-error.o): New rule.
2658 (diagnostic.o): Adjust dependency.
2659 diagnostic.c (file_and_line_for_asm, diagnostic_for_asm,
2660 error_for_asm, _fatal_insn, _fatal_insn_not_found,
2661 warning_for_asm): Move to...
2662 rtl-error.c: ...here. New file.
2664 2001-08-14 Richard Henderson <rth@redhat.com>
2666 * dwarf2out.c (dwarf2out_frame_finish): Never emit .eh_frame
2667 if USING_SJLJ_EXCEPTIONS.
2669 2001-08-14 Steve Ellcey <sje@cup.hp.com>
2671 * tlink.c (scan_linker_output): Check string for unsatisfied in
2672 addition to undefined and unresolved.
2674 2001-08-14 Graham Stott <grahams@redhat.com>
2676 * libgcc2.c (*): Replace EH_FRAME_SECTION with
2677 EH_FRAME_SECTION_NAME.
2679 Tue Aug 14 14:57:07 CEST 2001 Jan Hubicka <jh@suse.cz>
2681 * genattrtab.c (simplify_test_exp_in_temp): New function.
2682 (simplify_test_exp): Avoid explicit use of temporary obstack.
2683 (simplify_cond, insert_right_side, evaluate_eq_attr,
2684 simplify_and_tree, simplify_or_tree, eliminate_known_true):
2685 Use simplify_test_exp_in_temp.
2686 (optimize_attrs): Iterate until expression stabilizes.
2688 2001-08-13 Ulrich Weigand <uweigand@de.ibm.com>:
2690 * glimits.h: Remove the __LONG_MAX__ special case for s390x.
2691 * config/s390/linux64.h: Define __LONG_MAX__ in CPP_PREDEFINES.
2693 2001-08-13 Richard Henderson <rth@redhat.com>
2695 * config/arm/unknown-elf.h (CTOR_LIST_BEGIN, CTOR_LIST_END): Remove.
2696 (DTOR_LIST_BEGIN, DTOR_LIST_END): Remove.
2697 * config/arm/conix-elf.h: Likewise.
2699 2001-08-13 Geoffrey Keating <geoffk@redhat.com>
2701 * config/svr4.h (LINK_SPEC): Don't do -Wl, here, it is done
2703 * config/rs6000/sysv4.h (LINK_SPEC): Likewise.
2705 * gcse.c (hash_scan_set): Expressions that are set as part of
2706 jump instructions are not available.
2708 2001-08-13 Ulrich Weigand <uweigand@de.ibm.com>
2710 * config/s390/s390.c (print_operand, s390_function_prologue,
2711 s390_va_start): Fixed HOST_WIDE_INT type mismatch.
2713 2001-08-13 Richard Henderson <rth@redhat.com>
2715 * config/rs6000/xcoff.h (EH_FRAME_IN_DATA_SECTION): New.
2716 * defaults.h (EH_FRAME_SECTION_NAME): Respect it.
2717 * doc/tm.texi (Exception Region Output): Document it.
2719 2001-08-13 Geoffrey Keating <geoffk@redhat.com>
2721 * config/rs6000/sysv4.h (PREFERRED_DEBUGGING_TYPE): Use
2722 DWARF2 instead of stabs by default.
2724 2001-08-13 David Edelsohn <edelsohn@gnu.org>
2726 * config/rs6000/rs6000.c: Include optabs.h.
2728 2001-08-13 David Edelsohn <edelsohn@gnu.org>
2730 * config/rs6000/eabi.asm: Define 64-bit versions of FPR
2731 save/restore routines.
2732 * ginclude/ppc-asm.h: Define 64-bit FUNC_* macros.
2734 2001-08-13 Andreas Jaeger <aj@suse.de>
2736 * gcc.c (init_spec): Revert last patch by Theodore Papadopoulo,
2737 the english is correct.
2739 2001-08-13 Zack Weinberg <zackw@panix.com>
2741 * expr.h: Split out optab- and libfunc-related code to...
2742 * optabs.h, libfuncs.h: ... these new headers.
2744 * Makefile.in (CONFIG_H, EXPR_H): Take out insn-codes.h.
2746 (various .o rules): Add $(OPTABS_H) and/or libfuncs.h to
2748 * mkconfig.sh: Don't include insn-codes.h from config.h.
2750 * reload.h: Use #ifdef GCC_INSN_CODES_H to decide whether
2751 enum insn_code is available. Move reload_in_optab and
2752 reload_out_optab array declarations to optabs.h.
2753 * regmove.c (gen_add3_insn): Move to optabs.c, export from
2754 there, prototype in expr.h.
2755 * gencodes.c: Cleanup: zap global variables, don't use
2756 printf where puts will do, don't bother defining MAX_INSN_CODE
2757 which nothing uses, let CODE_FOR_nothing get its value implicitly.
2759 * genemit.c, genopinit.c: Include optabs.h in generated file.
2760 * genoutput.c: Include insn-codes.h in generated file.
2761 * builtins.c, caller-save.c, combine.c, doloop.c, explow.c,
2762 expmed.c, expr.c, function.c, ifcvt.c, loop.c, optabs.c, profile.c,
2763 reload1.c, simplify-rtx.c, stmt.c, unroll.c, config/alpha/alpha.c,
2764 config/arm/arm.c, config/c4x/c4x.c, config/clipper/clipper.c,
2765 config/i386/i386.c, config/ia64/ia64.c, config/mn10300/mn10300.c,
2766 config/pj/pj.c, config/sh/sh.c, config/sparc/sparc.c:
2768 * builtins.c, calls.c, dwarf2out.c, except.c, expr.c, function.c,
2769 optabs.c, stmt.c, config/c4x/c4x.c, config/clipper/clipper.c,
2770 config/m88k/m88k.c, config/sparc/sparc.c:
2772 * reload.c: Include expr.h and optabs.h before reload.h.
2773 * config/alpha/alpha.c: Include tree.h before reload.h.
2774 * config/pa/pa.c: Include expr.h, optabs.h, libfuncs.h,
2775 and reload.h in that order.
2776 * config/sparc/sparc.c: Include debug.h.
2777 * recog.c: Include insn-codes.h.
2779 2001-08-13 Andreas Jaeger <aj@suse.de>
2781 * config.gcc: Use t-slibgcc-elf to build shared libgcc_s on
2784 2000-08-13 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
2786 * dwarf2out.c (output_cfa_loc): Fix typo in comment.
2787 * gcc.c (init_spec): Fix typo in comment.
2788 * varasm.c (data_section): Fix typo in comment.
2790 Mon Aug 13 02:27:39 CEST 2001 Jan Hubicka <jh@suse.cz>
2792 * predict.c (dump_prediction): New argument "USED".
2793 (combine_predictions_for_insn): Determine the used heuristics,
2794 output the case no heuristic applied.
2795 * predict.def (PRED_DS_THEORY, PRED_NO_HEURISTIC): New.
2797 2001-08-13 Andreas Jaeger <aj@suse.de>
2799 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Don't capitalize
2802 2001-08-13 Kazu Hirata <kazu@hxi.com>
2804 * jump.c: Fix formatting.
2806 2001-08-13 Kazu Hirata <kazu@hxi.com>
2808 * config/h8300/h8300.md (zero_extendqihi2): Correct the insn
2811 2001-08-12 Geoffrey Keating <geoffk@redhat.com>
2813 * loop.c (check_dbra_loop): Use condjump_label to compute
2816 * rtl.h: Move prototypes of rtx_alloc and rtvec_alloc around
2817 to better document the files they're in.
2819 2001-08-12 Zack Weinberg <zackw@panix.com>
2821 * recog.h (struct insn_operand_data): Shrink 'mode' field
2824 2001-08-12 Kazu Hirata <kazu@hxi.com>
2826 * gcc.c: Fix comment formatting.
2827 * gccspec.c: Likewise.
2830 * genemit.c: Likewise.
2831 * gengenrtl.c: Likewise.
2832 * genrecog.c: Likewise.
2833 * gensupport.c: Likewise.
2834 * ggc-page.c: Likewise.
2835 * global.c: Likewise.
2836 * graph.c: Likewise.
2837 * ifcvt.c: Likewise.
2838 * integrate.c: Likewise.
2840 * libgcc2.c: Likewise.
2842 * mbchar.c: Likewise.
2843 * optabs.c: Likewise.
2844 * predict.c: Likewise.
2845 * prefix.c: Likewise.
2846 * profile.c: Likewise.
2847 * protoize.c: Likewise.
2849 * recog.c: Likewise.
2850 * regclass.c: Likewise.
2851 * regmove.c: Likewise.
2852 * reg-stack.c: Likewise.
2853 * reload1.c: Likewise.
2854 * resource.c: Likewise.
2855 * rtlanal.c: Likewise.
2858 2001-08-12 Kazu Hirata <kazu@hxi.com>
2860 * doc/tm.texi (ENCODE_SECTION_INFO): Add documentation on how
2861 a tree representing a constant is passed to the macro.
2863 2001-08-12 Richard Henderson <rth@redhat.com>
2865 * config/rs6000/rs6000.c (rs6000_elf_asm_out_constructor): New.
2866 (rs6000_elf_asm_out_destructor): New.
2867 * config/rs6000/sysv4.h (CTORS_SECTION_ASM_OP): Remove.
2868 (DTORS_SECTION_ASM_OP): Remove.
2869 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
2870 (ASM_OUTPUT_INT): Don't hack TARGET_RELOCATABLE for constructors.
2872 2001-08-12 David Edelsohn <edelsohn@gnu.org>
2875 2001-08-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2876 * gcc.c (set_collect_gcc_options): New function, split out from
2878 Ignore elided switches.
2879 (do_spec_1): Invoke before executing command.
2880 (set_input): Export.
2881 Move declaration ...
2882 * gcc.h (set_input): ... here.
2883 * config/alpha/osf.h (ASM_FINAL_SPEC): Use %U.s to refer to input
2886 2001-08-12 Richard Henderson <rth@redhat.com>
2888 * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Fix
2889 thinko wrt TARGET_RELOCATABLE.
2891 2001-08-12 Neil Booth <neil@daikokuya.demon.co.uk>
2893 * fix-header.c (cb_file_change): Update prototype.
2895 2001-08-11 Zack Weinberg <zackw@panix.com>
2897 * toplev.c (set_float_handler): Make static.
2898 * toplev.h: Don't prototype set_float_handler.
2900 * simplify-rtx.c: Don't include setjmp.h.
2901 (simplify_unary_real, simplify_binary_real, simplify_binary_is2orm1):
2903 (simplify_unary_operation, simplify_binary_operation): Use them,
2904 via do_float_handler.
2906 * fold-const.c: Don't include setjmp.h.
2907 (exact_real_inverse_1): New function.
2908 (exact_real_inverse): Use it, via do_float_handler.
2910 * varasm.c: Don't include setjmp.h.
2911 (assemble_real_1): New function.
2912 (assemble_real): Use it, via do_float_handler.
2913 Call internal_error if we get a trap here.
2915 * c-parse.in, cse.c, cselib.c, config/i386/i386.c,
2916 config/pj/pj.c, config/s390/s390.c: Don't include setjmp.h.
2918 2001-08-11 Zack Weinberg <zackw@panix.com>
2920 * defaults.h: Define PREFERRED_STACK_BOUNDARY to
2921 STACK_BOUNDARY if not already defined.
2923 * calls.c, function.c, reload1.c, explow.c: Don't default
2924 PREFERRED_STACK_BOUNDARY. Remove all #if/#ifdef on
2925 PREFERRRED_STACK_BOUNDARY and/or STACK_BOUNDARY.
2927 * explow.c (allocate_dynamic_stack_space): Change unsafe #if
2930 * doc/tm.texi: Document that STACK_BOUNDARY is required;
2931 clarify difference between it and PREFERRED_STACK_BOUNDARY.
2933 2001-08-11 Neil Booth <neil@daikokuya.demon.co.uk>
2935 * cppmacro.c (enter_macro_context): Push macro expansions even
2938 2001-08-11 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2940 * config/rs6000/rs6000.c: Include integrate.h to silence warning.
2941 (rs6000_elf_section_type_flags): Actually return a value.
2943 2001-08-11 Ulrich Weigand <uweigand@de.ibm.com>
2945 * s390.c, s390.h, s390.md, s390-protos.h, linux.h, t-linux:
2946 Clean up code: add missing comments and prototypes, fix warnings,
2947 remove obsolete code, fix spacing to conform to coding style.
2949 2001-08-11 Ulrich Weigand <uweigand@de.ibm.com>
2951 * config/s390/s390.c (targetm): Define TARGET_ASM_OPEN_PAREN
2952 and TARGET_ASM_CLOSE_PAREN.
2953 (regclass_map): CC register belongs to class NO_REGS.
2954 (legitimize_pic_address): Don't generate unnecessary moves
2955 (to avoid confusing loop optimization).
2956 (check_and_change_labels): Replace jump_long by indirect_jump.
2957 (s390_final_chunkify): Don't start a new literal pool on section
2958 switch in 64-bit code.
2959 (s390_va_start, s390_va_arg): Fixed incorrect sizes for 64-bit.
2961 * config/s390/s390.h (TARGET_SWITCHES): Renamed debug_arg to debug.
2962 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE): Set to 64 (for 64-bit).
2963 (HARD_REGNO_MODE_OK, RETURN_IN_MEMORY): Support complex integer
2965 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Remove CC_REGS.
2966 (EH_RETURN_HANDLER_RTX): Fixed incorrect offset for 64-bit.
2967 (CONST_COSTS): Fixed incorrect costs.
2969 * config/s390/s390.md (fixuns_trunc[sd]f[sd]i2, udivsi3, umodsi3):
2970 Use emit_jump instead of emit_jump_insn (gen_jump).
2971 (divsi3, modsi3): Clobber low word of divmoddisi3 before shifting
2972 (to avoid confusing flow analysis).
2973 (tablejump, tablejump1, tablejump2): Removed. Replaced by casesi.
2974 (casesi, casesi_jump): New.
2975 (jump_long): Removed. Functionality merged into indirect_jump.
2976 (indirect_jump): Accept address_operand, not just register_operand.
2977 (cjump_long, icjump_long): Use same logic as indirect_jump.
2978 (builtin_setjmp_setup, builtin_setjmp_receiver, builtin_longjmp):
2979 Fixed broken setjmp/longjmp handling.
2980 (do_builtin_setjmp_setup): Removed.
2982 * config/s390/linux.h (ASM_OUTPUT_DOUBLE_INT): Work around
2983 broken GNU as versions that don't accept .quad with large
2984 negative values. Use hexadecimal output instead.
2985 (ASM_OUTPUT_ADDR_DIFF_ELT): Adapt to new casesi insn.
2986 (ASM_OPEN_PAREN, ASM_CLOSE_PAREN, FUNCTION_PROLOGUE,
2987 FUNCTION_EPILOGUE): Removed. Now in targetm.
2989 * config/s390/linux64.h (CALL_USED_REGISTERS): Add CC register.
2991 * config/s390/fixdfdi.h: Add missing copyright statement.
2992 Fix type conflicts on 64-bit. Add missing SFmode routines.
2994 * s390.c, s390.h, s390.md, linux.h, linux64.h: Fixed incorrect
2997 2001-08-11 Richard Henderson <rth@redhat.com>
2999 * rtl.h (REG_EH_RETHROW): Remove.
3000 * rtl.c (reg_note_name): Update.
3001 * combine.c (distribute_notes): Don't check for it.
3003 2001-08-11 Richard Henderson <rth@redhat.com>
3005 * combine.c (distribute_notes): Place REG_SETJMP.
3007 2001-08-11 Richard Henderson <rth@redhat.com>
3009 * doc/extend.texi (Arrays and pointers implementation): Discourage
3010 relying on sign-extension of pointers.
3012 2001-08-11 H.J. Lu <hjl@gnu.org>
3014 * config/mips/linux.h (EXTRA_SECTIONS): Remove in_ctors and
3016 (EXTRA_SECTION_FUNCTIONS): Remove DTORS_SECTION_ASM_OP and
3017 RDATA_SECTION_ASM_OP.
3019 2001-08-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3021 * doc/install.texi (Specific, c4x): Fix cross-reference to the
3022 main manual to work both for info and HTML versions.
3024 2001-08-11 Neil Booth <neil@daikokuya.demon.co.uk>
3025 Matt Kraai <kraai@alumni.carnegiemellon.edu>
3027 * cpphash.c (_cpp_destroy_hashtable): Use ht_destroy.
3028 * cpphash.h (CPP_IN_SYSTEM_HEADER): Fix.
3029 (struct cpp_pool): New member first.
3030 * cppinit.c (append_include_chain): Plug memory leaks.
3031 * cpplib.c (cpp_register_pragma, cpp_register_pragma_space):
3032 Allocate pragma structures from the (aligned) macro pool to
3033 avoid leaking memory.
3034 * cpplex.c (_cpp_init_pool, _cpp_free_pool): Use pool->first
3035 so we don't leak memory.
3036 * hashtable.c (ht_destroy): New.
3037 * hashtable.h (ht_destroy): New.
3039 2001-08-11 Neil Booth <neil@daikokuya.demon.co.uk>
3040 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3042 * c-lex.c (map): Make const.
3043 (cb_file_change): Update for callback passing a line map.
3044 Don't assume we have a previous map. Remove sanity check
3045 about popping too many files.
3046 * cpperror.c (print_location): Make map const.
3047 * cppfiles.c (stack_include_file): Update; line maps now hold sysp.
3048 (cpp_make_system_header): Similarly.
3049 (search_from): Similarly.
3050 (_cpp_execute_include): Don't remember where we came from.
3051 * cpphash.h (struct cpp_buffer): Remove return_to_line, sysp.
3052 (struct cpp_reader): Make map const.
3053 (CPP_IN_SYSTEM_HEADER, _cpp_do_file_change): Update.
3054 * cpplib.c (do_line): Update; line maps now hold sysp.
3055 (cpp_push_buffer): Similarly.
3056 (_cpp_do_file_change): Similarly; callback with map instead.
3057 (cpp_get_line_maps): Constify return value.
3058 (_cpp_pop_buffer): Update.
3059 * cpplib.h (struct cpp_file_change): Remove.
3060 (struct cpp_callbacks): Update.
3061 (cpp_get_line_maps): Constify return value.
3062 * cppmacro.c (_cpp_create_definition): Update.
3063 * cppmain.c (struct printer): Constify map.
3064 (maybe_print_line): Similarly.
3065 (print_line): Similarly. Deduce flags 1 and 2 here.
3066 (cb_file_change): Update.
3067 * line-map.c (free_line_maps): Warn regardless.
3068 (add_line_map): Return pointer to const. When passed NULL to_file
3069 with LC_LEAVE, use the obvious values for the return point so the
3070 caller doesn't have to figure them out.
3071 (lookup_line): Return pointer to const.
3072 (print_containing_files): Take pointer to const.
3073 * line-map.h (struct line_map): New members reason, sysp.
3074 (add_line_map): Return pointer to const.
3075 (lookup_line): Similarly.
3076 (print_containing_files): Take pointer to const.
3078 2001-08-10 Roman Zippel <zippel@linux-m68k.org>
3079 Richard Henderson <rth@redhat.com>
3081 * regmove.c (regmove_optimize): Avoid setting a register twice in
3084 2001-08-10 Richard Henderson <rth@redhat.com>
3086 * doc/extend.texi (Arrays and pointers implementation): Document
3087 behavior of pointer/integer conversion.
3089 2001-08-10 Ulrich Weigand <uweigand@de.ibm.com>
3091 * glimits.h (__LONG_MAX__): Add s390x as 64-bit architecture.
3093 2001-08-10 Richard Henderson <rth@redhat.com>
3095 * doc/extend.texi (C Implementation): New chapter.
3096 * doc/gcc.texi (Top): Link it in.
3098 2001-08-10 Andrew Cagney <ac131313@redhat.com>
3100 * doc/install.texi (Specific): Fix CVS merge botch.
3102 2001-08-10 Richard Henderson <rth@redhat.com>
3104 * config/m68k/m68k.c (m68k_svr3_asm_out_constructor): Protect with
3105 ifdef CTOR_LIST_BEGIN instead of INIT_SECTION_ASM_OP.
3107 2001-08-10 Zack Weinberg <zackw@stanford.edu>
3109 * calls.c, function.c: Always define PREFERRED_STACK_BOUNDARY
3110 if not already defined. Remove all #ifdefs on STACK_BOUNDARY;
3111 this macro is now required.
3113 * cselib.c (cselib_process_insn), flow.c (propagate_block),
3114 loop.c (find_and_verify_loops), reload.c (reload): Check
3115 for rtx code of CALL_INSN, not CALL, when deciding if we
3116 need to check for REG_SETJMP note.
3118 * gcse.c (compute_hash_table, compute_store_table): Update
3119 the #ifdef NON_SAVING_SETJMP code to the new REG_SETJMP
3122 * config/avr/avr.c: Fix typo.
3123 * config/convex/convex.c (expand_movstr): Use adjust_address.
3124 * config/dsp16xx/dsp16xx.c: Define dsp16xx_compare_gen
3126 * config/dsp16xx/dsp16xx.md: Correct calls to replace_equiv_address.
3127 * config/elxsi/elxsi.c: Include tree.h, expr.h, regs.h, and flags.h.
3129 * config/elxsi/elxsi.h: Don't define Rmode (typo for Pmode?)
3130 Do define STACK_BOUNDARY.
3131 * config/i370/i370.c: Include expr.h.
3132 * config/i860/sysv3.h, config/i860/sysv4.h, config/m32r/m32r.h,
3133 config/pa/som.h, config/v850/v850.h: Take in_ctors and
3134 in_dtors out of EXTRA_SECTIONS; take CTORS_SECTION_FUNCTION
3135 and DTORS_SECTION_FUNCTION out of EXTRA_SECTION_FUNCTIONS.
3136 * config/m88k/m88k.c: Include c-tree.h after expr.h.
3137 * config/pdp11/pdp11.c: Include expr.h and toplev.h.
3138 * config/romp/romp.c: Include expr.h after tree.h.
3140 (output_fpop): Use xmalloc, not oballoc.
3141 * config/we32k/we32k.c: Include expr.h.
3143 2001-08-10 Kazu Hirata <kazu@hxi.com>
3145 * config/h8300/h8300.h: Fix formatting.
3147 2001-08-08 Jason Merrill <jason_merrill@redhat.com>
3149 * c-common.h (RETURN_NULLIFIED_P): Lose.
3150 * c-semantics.c (genrtl_return_stmt): Don't check it.
3152 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
3154 * config/mips/mips.c (mips_add_large_offset_to_sp): New function.
3155 (mips_annotate_frame_insn): New function.
3156 (mips_emit_frame_related_store): New function.
3157 (save_restore_insns): Don't mark instructions that set up the base
3158 registers as frame-related. Add REG_FRAME_RELATED_EXPR notes to
3159 the store instructions instead.
3160 (mips_expand_prologue): If the stack size is moved into a temporary
3161 register, do not mark that move as frame-related. Add a
3162 REG_FRAME_RELATED_EXPR note to the stack adjustment instruction.
3164 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
3166 * config/mips/mips.c (save_restore_insns): Don't mark the RA's
3167 stack slot as unchanging if current_function_calls_eh_return.
3169 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
3171 * config/mips/mips.md (reload_incc): Use HARD_REGNO_NREGS to
3172 access the second half of the TFmode scratch operand.
3174 2001-08-10 Anthony Green <green@redhat.com>
3176 * java/class.c (emit_register_classes): Conditionalize code on
3179 2001-08-10 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3181 * doc/install.texi (Specific, avr): Fix cross-reference to the
3182 main manual to work both for info and HTML versions.
3184 2001-08-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
3186 * stmt.c (expand_null_return_1): Remove code to generate simple returns
3187 and "use_goto" argument.
3188 (expand_null_return, expand_value_return): Update all callers.
3189 * function.c (expand_function_end): Remove code to generate simple
3191 * config/vax/vax.md (epilogue): New expander for function return.
3192 * doc/md.texi (epilogue): Remove "if defined".
3194 2001-08-09 Zack Weinberg <zackw@stanford.edu>
3196 * Makefile.in: Partially revert my previous change:
3197 put -DGENERATOR_FILE back in HOST_CFLAGS, take it out
3198 of the hashtab.o and safe-ctype.o rules.
3200 2001-08-09 Richard Henderson <rth@redhat.com>
3202 * Makefile.in (MAYBE_USE_COLLECT2): Remove; purge all uses.
3203 (USE_COLLECT2): Remove duplicate definition.
3204 * config.gcc (a29k-udi, a29k-wrs-vxworks) [tm_file]: Remove a29k/udi.h.
3205 (use_collect2): Remove dead code.
3206 * configure.in (use_collect2): Remove will_use_collect2 and
3207 maybe_use_collect2; add USE_COLLECT2 to host_xm_defines and xm_defines.
3208 * configure: Rebuild.
3210 * target.h (targetm.asm_out.constructor): New.
3211 (targetm.asm_out.destructor, targetm.have_ctors_dtors): New.
3212 * target-def.h (TARGET_ASM_CONSTRUCTOR): New.
3213 (TARGET_ASM_DESTRUCTOR, TARGET_HAVE_CTORS_DTORS): New.
3214 * varasm.c (in_ctors, in_dtors): New.
3215 (assemble_constructor, assemble_destructor): Remove.
3216 (default_stabs_asm_out_destructor): New.
3217 (default_named_section_asm_out_destructor): New.
3218 (dtors_section, default_dtor_section_asm_out_destructor): New.
3219 (default_stabs_asm_out_constructor): New.
3220 (default_named_section_asm_out_constructor): New.
3221 (ctors_section, default_ctor_section_asm_out_constructor): New.
3222 * output.h: Update declarations.
3223 * c-decl.c (c_expand_body): Use target hooks instead of
3224 assemble_constructor and assemble_destructor.
3225 * profile.c (output_func_start_profiler): Likewise.
3226 * objc/objc-act.c (finish_objc): Likewise.
3227 (build_module_descriptor): Tidy. Set TREE_PUBLIC properly
3228 for the constructor.
3229 * objc/Make-lang.in (objc-act.o): Depend on TARGET_H.
3231 * crtstuff.c (CTORS_SECTION_ASM_OP): Don't define.
3232 (DTORS_SECTION_ASM_OP): Likewise.
3233 (__CTOR_LIST__): Use attribute section when possible.
3234 (__DTOR_LIST__, __CTOR_END__, __DTOR_END__): Likewise.
3236 * defaults.h (EH_FRAME_SECTION_NAME): Don't depend on
3237 ASM_OUTPUT_CONSTRUCTOR.
3239 * config/darwin.c (machopic_asm_out_constructor): New.
3240 (machopic_asm_out_destructor): New.
3241 * config/darwin-protos.h: Update declarations.
3242 * config/darwin.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
3243 (ASM_OUTPUT_DESTRUCTOR): Remove.
3244 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
3245 * config/nextstep.c (nextstep_asm_out_constructor): New.
3246 (nextstep_asm_out_destructor): New.
3247 * config/nextstep.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
3248 (ASM_OUTPUT_DESTRUCTOR): Remove.
3249 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
3250 * config/nextstep21.h: Undef TARGET_ASM_*STRUCTOR instead of
3251 ASM_OUTPUT_*STRUCTOR.
3252 * config/i386/aix386ng.h: Likewise.
3254 * config/elfos.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Remove.
3255 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): No ctors/dtors.
3256 (CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Remove.
3257 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
3258 * config/lynx.h: Likewise.
3259 * config/netware.h: Likewise.
3260 * config/psos.h: Likewise.
3261 * config/alpha/alpha-interix.h: Likewise.
3262 * config/alpha/elf.h: Likewise.
3263 * config/arc/arc.h: Likewise.
3264 * config/arm/aof.h: Likewise.
3265 * config/arm/coff.h: Likewise.
3266 * config/arm/elf.h: Likewise.
3267 * config/c4x/c4x.h: Likewise.
3268 * config/h8300/h8300.h: Likewise.
3269 * config/i386/cygwin.h: Likewise.
3270 * config/i386/djgpp.h: Likewise.
3271 * config/i386/i386-coff.h: Likewise.
3272 * config/i386/i386-interix.h: Likewise.
3273 * config/i386/sco5.h: Likewise.
3274 * config/i386/vsta.h: Likewise.
3275 * config/i386/win32.h: Likewise.
3276 * config/i960/i960-coff.h: Likewise.
3277 * config/ia64/sysv4.h: Likewise.
3278 * config/m68hc11/m68hc11.h: Likewise.
3279 * config/m68k/coff.h: Likewise.
3280 * config/m68k/mot3300.h: Likewise.
3281 * config/m88k/m88k.h: Likewise.
3282 * config/mcore/mcore-pe.h: Likewise.
3283 * config/mcore/mcore.h: Likewise.
3284 * config/mips/elf.h: Likewise.
3285 * config/mips/elf64.h: Likewise.
3286 * config/mips/iris6.h: Likewise.
3287 * config/pa/pa64-hpux.h: Likewise.
3288 * config/rs6000/sysv4.h: Likewise.
3289 * config/sh/sh.h: Likewise.
3290 * config/sparc/litecoff.h: Likewise.
3292 * config/svr3.h (CTORS_SECTION_ASM_OP): Remove.
3293 (CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Remove.
3294 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
3295 * config/1750a/1750a.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
3296 (ASM_OUTPUT_DESTRUCTOR): Remove.
3297 * config/a29k/a29k.c: Move include of tree.h.
3298 * config/a29k/udi.h: Delete file.
3299 * config/alpha/alpha.c (vms_asm_out_constructor): New.
3300 (vms_asm_out_destructor): New.
3301 * config/alpha/vms.h (EXTRA_SECTIONS): No ctors/dtors.
3302 (EXTRA_SECTION_FUNCTIONS): Likewise.
3303 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
3304 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
3305 * config/c4x/c4x.c: Move include of tree.h.
3306 * config/clipper/clipper.c (clix_asm_out_constructor): New.
3307 (clix_asm_out_destructor): New.
3308 * config/clipper/clix.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
3309 (ASM_OUTPUT_DESTRUCTOR): Remove.
3310 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
3311 * config/i386/aix386.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
3312 (TARGET_ASM_CONSTRUCTOR): New.
3313 * config/i386/i386.c (ix86_svr3_asm_out_constructor): New.
3314 (sco_asm_out_constructor): New.
3315 * config/i386/sco5.h (TARGET_ASM_CONSTRUCTOR): New.
3316 * config/i386/svr3gas.h: Remove stack grows up code.
3317 Remove code duplicated from i386/sysv3.h.
3318 (TARGET_ASM_CONSTRUCTOR): New.
3319 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
3320 (DTORS_SECTION_FUNCTION, CTORS_SECTION_FUNCTION): Remove.
3321 * config/i386/sysv3.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
3322 (TARGET_ASM_CONSTRUCTOR): New.
3323 * config/m68hc11/m68hc11.c (m68hc11_asm_out_constructor): New.
3324 (m68hc11_asm_out_destructor): New.
3325 * config/m68hc11/m68hc11.h (TARGET_ASM_CONSTRUCTOR): New.
3326 (TARGET_ASM_DESTRUCTOR): New.
3327 * config/m68k/auxgas.h: Don't undef ASM_OUTPUT_*STRUCTOR.
3328 * config/m68k/dpx2.h: Properly undef all the bits inherited from
3329 config/svr3.h pertaining to section manipulation.
3330 * config/m68k/dpx2g.h: Remove #if 0 code.
3331 * config/m68k/m68k.c (m68k_svr3_asm_out_constructor): New.
3332 * config/m68k/tower-as.h (ASM_OUTPUT_SOURCE_LINE): Fix typo.
3333 (ASM_OUTPUT_CONSTRUCTOR): Remove.
3334 (TARGET_ASM_CONSTRUCTOR): New.
3335 * config/m88k/m88k.c (m88k_layout_frame): Don't use assign_stack_local.
3336 (m88k_svr3_asm_out_constructor): New.
3337 (m88k_svr3_asm_out_destructor): New.
3338 * config/m88k/sysv3.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
3339 (ASM_OUTPUT_DESTRUCTOR): Remove.
3340 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
3341 * config/mips/mips.h: Remove #if 0 ASM_OUTPUT_*STRUCTOR code.
3342 * config/rs6000/aix.h: Likewise.
3343 * config/mips/rtems64.h: Don't undef removed constructor related bits.
3344 * config/mips/vxworks.h: Likewise.
3345 * config/rs6000/lynx.h: Likewise.
3346 * config/sh/elf.h: Likewise.
3347 * config/rs6000/sysv4.h (CTORS_SECTION_ASM_OP): New.
3348 (DTORS_SECTION_ASM_OP): New.
3349 * config/sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
3350 (ASM_OUTPUT_DESTRUCTOR): Remove.
3351 * config/sparc/sol2-sld-64.h: Likewise.
3352 * config/vax/vax.c (vms_asm_out_constructor): New.
3353 (vms_asm_out_destructor): New.
3354 * config/vax/vms.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
3355 (ASM_OUTPUT_DESTRUCTOR): Remove.
3356 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
3358 * doc/tm.texi (@node Initialization): Update.
3360 2001-08-09 Richard Henderson <rth@redhat.com>
3362 * config/alpha/crtbegin.asm (__JCR_LIST__): New.
3363 (__do_global_dtors_aux): Use gp-relative static data to avoid
3364 one dynamic relocation.
3365 (__do_frame_setup): Register Java classes.
3366 * config/alpha/crtend.asm (__JCR_END__): New.
3368 2001-08-09 Zack Weinberg <zackw@stanford.edu>
3370 * Makefile.in (HOST_CFLAGS): Take out -DGENERATOR_FILE.
3371 (CONFIG_H, TCONFIG_H, TM_P_H): Update.
3372 (GEN, STAGESTUFF): Add new files.
3373 (insn-constants.h, s-constants, tm-preds.h, s-preds,
3374 genconstants, genpreds, genconstants.o, genpreds.o): New rules.
3375 (hashtab.o, safe-ctype.o): Add -DGENERATOR_FILE.
3376 * mkconfig.sh: Include tm-preds.h in tm_p.h; insn-constants.h
3377 as well as insn-codes.h and insn-flags.h in config.h; and no
3378 extra headers in tconfig.h and hconfig.h.
3380 * gencodes.c: Eliminate code to generate predicate declarations
3381 or #defines for md-file constants.
3382 * genconstants.c, genpreds.c: New files.
3384 * i386.md: Re-order guard expressions such that TARGET_64BIT
3385 comes first, when this permits better optimization. Add
3386 TARGET_64BIT to more x86-64 patterns. Add comment explaining
3387 why this is desirable.
3389 2001-08-09 Jakub Jelinek <jakub@redhat.com>
3391 * config/ia64/fde-glibc.c: Require glibc 2.2.4+ headers.
3392 (find_fde_for_dso): Remove.
3393 (_Unwind_IteratePhdrCallback): New.
3394 (_Unwind_FindTableEntry): Use dl_iterate_phdr.
3395 * config/ia64/crtbegin.asm (__ia64_app_header): Remove.
3397 Thu Aug 9 11:30:20 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3399 * expr.c (emit_single_push_insn): Only exists ifdef PUSH_ROUNDING.
3400 (move_by_pieces_1): If would call it, abort if no PUSH_ROUNDING.
3402 2001-08-09 Graham Stott <grahams@redhat.com>
3404 * sched-vis.c (MAX_VISUAL_NO_UNIT): Define.
3405 (vis_no_unit): Use it.
3406 (visualize_no_unit): Add the insn only if room exists.
3408 2001-08-09 Graham Stott <grahams@redhat.com>
3410 * predict.c (estimate_probability): Replace magic numbers with
3411 appropriate enumeration.
3413 2001-08-09 Graham Stott <grahams@redhat.com>
3415 * cppexp.c (EXTRACT_PRIO): Uppercase and parenthsize macro
3417 (EXTRACT_FLAGS): Likewise.
3419 2001-08-09 Aldy Hernandez <aldyh@redhat.com>
3421 * config/mips/mips.c (mips_legitimate_address_p): Check for
3422 CONST_INT in last patch.
3424 2001-08-08 Anthony Green <green@redhat.com>
3426 * java/class.c (emit_register_classes): Use assemble_jcr if
3427 possible. Keep the original mechanism as a fallback.
3428 * defaults.h (JCR_SECTION_NAME): Define if we have named section
3429 and weak symbol support.
3430 * crtstuff.c (__JCR_LIST__): Define.
3431 (__JCR_END__): Define.
3432 (_Jv_RegiserClasses): Define weak symbol if possible.
3433 (__do_global_ctors_aux): Register classes for ELF targets with
3434 weak symbol support.
3436 2001-08-08 Kazu Hirata <kazu@hxi.com>
3438 * dbxout.c: Fix comment formatting.
3439 * dependence.c: Likewise.
3441 * diagnostic.c: Likewise.
3442 * dominance.c: Likewise.
3443 * doprint.c: Likewise.
3444 * dwarf2out.c: Likewise.
3445 * dwarfout.c: Likewise.
3446 * emit-rtl.c: Likewise.
3447 * except.c: Likewise.
3448 * explow.c: Likewise.
3449 * expmed.c: Likewise.
3452 * fold-const.c: Likewise.
3453 * function.c: Likewise.
3455 2001-08-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3457 * global.c (retry_global_alloc): Avoid shadowing allocno.
3459 2001-08-08 Mark Mitchell <mark@codesourcery.com>
3461 * except.c (remove_fixup_regions): Fix typo.
3463 2001-08-08 Jan van Male <jan.vanmale@fenk.wau.nl>
3465 * emit-rtl.c (adjust_address, adjust_address_nv): Cast offset to
3466 unsigned HOST_WIDE_INT to avoid warning.
3467 * final.c (final): Cast INSN_UID to unsigned to avoid warning.
3468 * flow.c (set_block_for_new_insns): Likewise.
3470 Wed Aug 8 21:08:14 CEST 2001 Jan Hubicka <jh@suse.cz>
3472 * sibcall.c (return_value_pseudo): New static variable.
3473 (skip_copy_to_return_value): Handle return_value_pseudo.
3474 (call_ends_block_p): Ensure that return_value_pseudo is set.
3475 (optimize_sibling_and_tail_recursive_call): Discover the
3476 load of pseudo return value in alternate exit block.
3478 Wed Aug 8 21:06:43 CEST 2001 Jan Hubicka <jh@suse.cz>
3480 * calls.c (ECF_ALWAYS_RETURN): New constant.
3481 (emit_call_1): Add REG_ALWAYS_RETURN note if needed.
3482 (expand_call): Use LCF_ALWAYS_RETURN for __bb_fork_func.
3483 (emit_library_call_value_1): Handle LCT_ALWAYS_RETRUN.
3484 * flow.c (need_fake_edge_p): Handle REG_ALWAYS_RETURN.
3485 * rtl.c (reg_note_name): New name.
3486 * rtl.h (enum reg_note): Add REG_ALWAYS_RETURN.
3488 2001-08-07 Aldy Hernandez <aldyh@redhat.com>
3490 * config/mips/mips.c (mips_legitimate_address_p): Limit "la" addresses.
3492 2001-08-08 Jason Merrill <jason_merrill@redhat.com>
3494 * alias.c (get_alias_set): Return a previously calculated
3495 alias set for a VAR_DECL.
3496 * function.c (gen_mem_addressof): Calculate the alias set before
3499 Wed Aug 8 18:44:37 CEST 2001 Jan Hubicka <jh@suse.cz>
3501 * predict.def: Set hitrates according our experimental run.
3503 Wed Aug 8 18:01:58 CEST 2001 Jan Hubicka <jh@suse.cz>
3505 * i386.h (HARD_REGNO_RENAME_OK): New macro.
3507 2001-08-08 H.J. Lu <hjl@gnu.org>
3509 * config/mips/mips.c (mips_unique_section): New. Copied from
3512 * config/mips/mips-protos.h (mips_unique_section): New
3515 * config/mips/elf.h (UNIQUE_SECTION): Use mips_unique_section.
3517 * config/mips/little.h: New. Generic little endian mips
3518 targets. Only mips*-*-linux* is converted to use it so far.
3520 * config/mips/linux.h: Include "gofast.h" and "mips/mips.h".
3521 (WCHAR_TYPE): Defined
3522 (WCHAR_TYPE_SIZE): Likewise.
3523 (INIT_SUBTARGET_OPTABS): Likewise.
3524 (BSS_SECTION_ASM_OP): Likewise.
3525 (SBSS_SECTION_ASM_OP): Likewise.
3526 (ASM_OUTPUT_ALIGNED_BSS): Likewise.
3527 (ASM_DECLARE_OBJECT_NAME): Likewise.
3528 (UNIQUE_SECTION): Likewise.
3529 (EXTRA_SECTIONS): Likewise.
3530 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
3531 (ASM_OUTPUT_DESTRUCTOR): Likewise.
3532 (ASM_OUTPUT_DEF): Likewise.
3533 (HANDLE_SYSV_PRAGMA): Removed.
3534 (NO_IMPLICIT_EXTERN_C): Likewise.
3535 (TARGET_MEM_FUNCTIONS): Likewise.
3536 (STARTFILE_SPEC): Likewise.
3537 (ENDFILE_SPEC): Likewise.
3538 (LIB_SPEC): Likewise.
3539 (INVOKE__main): Likewise.
3540 (CTOR_LIST_BEGIN): Likewise.
3541 (CTOR_LIST_END): Likewise.
3542 (DTOR_LIST_BEGIN): Likewise.
3543 (DTOR_LIST_END): Likewise.
3544 (SET_ASM_OP): Likewise.
3545 (ASM_OUTPUT_SOURCE_LINE): Likewise.
3546 (ASM_OUTPUT_DEF): Likewise.
3547 (ASM_OUTPUT_IDENT): Likewise.
3549 * config/mips/mips.h (ASM_SPEC): Undefine before define.
3550 (CPLUSPLUS_CPP_SPEC): Likewise.
3551 (ASM_APP_ON) Redefine only if not defined.
3552 (ASM_APP_OFF): Likewise.
3553 (ASM_OUTPUT_SOURCE_LINE): Likewise.
3554 (ASM_OUTPUT_IDENT): Likewise.
3556 * config.gcc: Update tm_file for Linux/mips.
3558 2001-08-08 Bernd Schmidt <bernds@redhat.com>
3560 * cselib.c (cselib_record_sets): If insn is predicated, turn
3561 sources into IF_THEN_ELSEs.
3563 * config/ia64/ia64.md (cond_opsi2_internal, cond_opsi2_internal_b):
3564 Turn into define_insn_and_split.
3566 * sched-deps.c: Include "cselib.h".
3567 (add_insn_mem_dependence, sched_analyze_1, sched_analyze_2):
3568 Use cselib to turn memory addresses into VALUEs.
3569 (sched_analyze): Call cselib_init/cselib_finish if necessary.
3570 * sched-int.h (struct sched_info): New member USE_CSELIB.
3571 * sched-ebb.c (ebb_sched_info): Initialize it.
3572 * sched-rgn.c (rgn_sched_info): Likewise.
3573 * Makefile.in (sched-deps.o): Update dependencies.
3575 * cselib.h (cselib_subst_to_values): Declare.
3576 * cselib.c (cselib_subst_to_values): No longer static. Allow MEMs
3577 that have no value and autoincs to be handled by generating a new
3580 2001-08-08 Graham Stott <grahams@redhat.com>
3582 * final.c (shorten_branches): Update the INSN_ADDRESSES of insns
3583 within fixed length SEQUENCE.
3585 2001-08-08 Graham Stott <grahams@redhat.com>
3587 * diagnostic.h (diagnostic_format_decoder): Parenthesize macro parameter.
3588 (diagnostic_prefixing_rule): Likewise.
3589 (diagnostic_line_cutoff): Likewise.
3590 (diagnostic_kind_count): Likewise.
3592 2001-08-08 Graham Stott <grahams@redhat.com>
3594 * alias.c (find_base_decl): Delete redundent assignment.
3596 2001-08-08 Graham Stott <grahams@redhat.com>
3598 * dependence.c (INDEX_LIMIT_CHECK): Uppercase macro parameter.
3599 (abs): Uppercase and paranthesize macro parameter.
3600 (MEM_DEPENDENCY): Add whitespace.
3602 2001-08-08 Graham Stott <grahams@redhat.com>
3604 * config/mips/mips.c (mips_legitimate_address_p): Fix enable checking
3605 failure check for CONST_INT
3607 2001-08-08 Graham Stott <grahams@redhat.com>
3609 * flow.c (back_edge_of_syntactic_loop_p): Add whitespace.
3610 (libcall_dead_p): Likewise.
3612 (mark_used_regs): Constify fmt.
3613 (find_use_as_address): Likewise.
3615 2001-08-08 Graham Stott <grahams@redhat.com>
3617 * c-typeck.c (RESTORE_SPELLING_DEPTH): Uppercase and parenthesize macro
3620 2001-08-08 Graham Stott <grahams@redhat.com>
3622 * combine.c (combine_simplify_rtx): Update comment and
3623 remove erroneous test.
3625 2001-08-07 Neil Booth <neil@daikokuya.demon.co.uk>
3627 * cppinit.c (cpp_finish): Pop the final buffer without comment.
3628 * cpplex.c (_cpp_lex_token): Don't pop the final buffer; and
3629 take care to avoid multiple no-newline at EOF warnings in that
3632 Tue Aug 7 22:18:06 CEST 2001 Jan Hubicka <jh@suse.cz>
3634 * calls.c (expand_call): Do not emit INSN_SETJMP note.
3635 (emit_library_call_value_1): Likewise.
3636 (emit_call_1): Emit REG_SETJMP note.
3637 * cse.c (cse_end_of_basic_block): Use REG_SETJMP instead
3639 * cselib.c (cselib_process_insn): Likewise.
3640 * flow.c (propagate_block): Likewise.
3641 * loop.c (find_and_verify_loops): Likewise.
3642 * reload.c (find_equiv_regs): Likewise.
3643 * reload1.c (reload): Likewise.
3644 * resource.c (mark_referenced_resources,
3645 mark_set_resources): Likewise.
3646 * sched-deps (sched_analyze_insn, sched_analyze): Likewise.
3647 * final.c (final_scan_insn): Remove NOTE_INSN_SETJMP.
3648 * haifa-sched.c (unlink_other_notes): Likewise.
3649 (reemit_notes): Likewise.
3650 * sched-ebb.c (sched_ebb): Likewise.
3651 * sched-rgc.c (sched_region): Likewise.
3652 * rtl.c (note_insn_name): Likewise.
3653 (reg_note_name): Add REG_SETJMP
3654 * rtl.h (reg_note): Add REG_SETJMP.
3655 (insn_note): Remove NOTE_INSN_SETJMP.
3657 * profile.c (branch_prob): Add fake edges for setjmp.
3659 2001-08-07 Daniel Jacobowitz <drow@mvista.com>
3661 * config.gcc: Quote target_cpu_default2 correctly for
3662 powerpc*-*-* targets.
3664 2001-08-07 Neil Booth <neil@daikokuya.demon.co.uk>
3666 * cpplib.h, line-map.h: Update comments.
3667 * cppmain.c (printer_init): Move inline.
3668 (maybe_print_line, print_line): Take a map pointer.
3669 (cb_ident, cb_define, cb_undef, cb_include, cb_def_pragma): Update.
3670 (cb_file_change): Don't use prior value of print.map.
3672 2001-08-07 David Edelsohn <edelsohn@gnu.org>
3674 * doc/install.texi: Document fine-grained multilib configuration.
3676 Tue Aug 7 16:52:54 CEST 2001 Jan Hubicka <jh@suse.cz>
3678 * rtlanal.c (find_first_parameter_load): Call note_stores
3679 only on the instructions.
3681 Tue Aug 7 14:56:16 CEST 2001 Jan Hubicka <jh@suse.cz>
3683 * alias.c (nonlocal_mentioned_p):
3684 Rename CONST_CALL_P to CONST_OR_PURE_CALL_P
3685 * calls.c (emit_call_1): Likewise.
3686 * cse.c (cse_insn, invalidate_skipped_block): Likewise.
3687 * cselib.c (cselib_process_insn): Likewise.
3688 * df.c (df_insns_modify): Likewise.
3689 * flow.c (need_fake_edge_p): Likewise.
3690 (propagate_one_insn): Likewise.
3691 * haifa-sched.c (reemit_notes): Likewise.
3692 * integrate.c (copy_insn_list): Likewise.
3693 * jump.c (delete_prior_computation): Likewise.
3694 * local-alloc.c (validate_equiv_mem): Likewise.
3695 * loop.c (scan_loop): Likewise.
3696 * predict.c (estimate_probability): Likewise.
3697 * reload.c (reload): Likewise.
3698 * sched-deps (sched_analyze): Likewise.
3699 * rtl.h (CONST_CALL_P): rename to CONST_OR_PURE_CALL_P.
3700 * gcse.c (compute_hash_table): Likewise.
3701 (mark_call): Likewise.
3702 (store_killed_in_insn): Likewise.
3704 2001-08-07 Jason Merrill <jason_merrill@redhat.com>
3706 * c-semantics.c (make_rtl_for_local_static): Use DECL_RTL_SET_P.
3708 2001-08-06 Richard Henderson <rth@redhat.com>
3710 * varasm.c (assemble_gc_entry): Remove.
3711 * output.h: Likewise.
3713 2001-08-06 Richard Henderson <rth@redhat.com>
3715 * varasm.c (assemble_constructor): Take a symbol_ref and a
3716 priority instead of a bare string. Move priority handling
3717 here from cp/decl2.c.
3718 * output.h: Update decls.
3720 * c-decl.c (c_expand_body): Update calls to assemble_constructor
3721 and assemble_destructor.
3722 * profile.c (output_func_start_profiler): Likewise.
3723 * objc/objc-act.c (finish_objc): Likewise.
3724 (build_module_descriptor): Return the symbol not the symbol name.
3726 2001-08-06 David Edelsohn <edelsohn@gnu.org>
3728 * config/rs6000/darwin.h (DOUBLE_INT_ASM_OP): Add whitespace.
3729 * config/rs6000/linux64.h (RS6000_MCOUNT): Define.
3730 ({SAVE,RESTORE}_FP_{PREFFIX,SUFFIX}): Define.
3731 * config/rs6000/rs6000.h (ASM_OUTPUT_DOUBLE_INT): Remove whitespace.
3732 * config/rs6000/sysv4.h (DOUBLE_INT_ASM_OP): Add whitespace.
3733 * config/rs6000/xcoff.h (DOUBLE_INT_ASM_OP): Add whitespace.
3735 2001-08-06 Neil Booth <neil@daikokuya.demon.co.uk>
3737 * cpperror.c (print_containing_files): Moved to line-map.c.
3738 (print_location): line-map.c handles re-listing or otherwise.
3739 * cpphash.h (struct lexer_state): Remove next_bol.
3740 (struct cpp_buffer): Remove include_stack_listed.
3741 * cpplib.c (do_line, cpp_push_buffer, _cpp_pop_buffer):
3742 Remove faked buffer handling.
3743 (_cpp_do_file_change): Tweak.
3744 * cpplib.h (enum cpp_buffer_type): Remove BUF_FAKE.
3745 * cppmain.c (struct printer): Remove filename.
3746 (print_line, cb_file_change): Update accordingly.
3747 * line-map.c: Include intl.h.
3748 (init_line_maps): Initialize last_listed.
3749 (free_line_maps): Sanity check, warn if ENABLED_CHECKING.
3750 (add_line_map): Sanity check inputs, warn if ENABLED_CHECKING.
3751 (print_containing_files): New.
3752 * line-map.h (struct line_maps): New member last_listed.
3753 (print_containing_files, INCLUDED_FROM): New.
3754 * Makefile.in: Update.
3755 * po/POTFILES.in: Add line-map.c.
3757 2001-08-06 Richard Henderson <rth@redhat.com>
3759 * except.c (convert_from_eh_region_ranges_1): Never mark
3760 USE or CLOBBER insns as throwing.
3762 * expr.c (store_constructor): Don't clobber memory targets.
3764 2001-08-06 Andreas Jaeger <aj@suse.de>
3766 * profile.c (branch_prob): Remove unused variable insn.
3768 * Makefile.in (local-alloc.o): Add dependency on except.h.
3770 * local-alloc.c: Include except.h for can_throw_internal prototype.
3772 2001-08-06 Richard Henderson <rth@redhat.com>
3774 * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
3775 * function.c (expand_main_function): Implement it.
3776 * doc/tm.texi: Document it.
3778 2001-08-06 Stan Shebs <shebs@apple.com>
3780 * doc/install.texi: Document powerpc-*-darwin* details.
3782 2001-08-06 Daniel Berlin <dan@cgsoftware.com>
3784 * config/rs6000/aix.h (CPP_CPU_SPEC): Move back to rs6000.h
3785 (ASM_CPU_SPEC): Move back to rs6000.h
3786 #undef CPP_DEFAULT_SPEC and ASM_DEFAULT_SPEC before redefining them.
3788 * config/rs6000/darwin.h (DOUBLE_INT_ASM_OP): New macro.
3790 * config/rs6000/linux.h: Remove vtable thunks stuff we accidently
3793 * config/rs6000/linux64.h: Ditto.
3795 * config/rs6000/rs6000.h: Move CPP_CPU_SPEC and ASM_CPU_SPEC back
3796 to here. Define default ASM_DEFAULT_SPEC and CPP_DEFAULT SPEC to
3799 Remove accidently readded definitions of FUNCTION_PROLOGUE,
3800 FUNCTION_EPILOGUE, ASM_OPEN_PAREN, ASM_CLOSE_PAREN
3802 * config/rs6000/sysv4.h: Move CPP_CPU_SPEC and ASM_CPU_SPEC back
3805 2001-08-05 Richard Henderson <rth@redhat.com>
3807 * local-alloc.c (update_equiv_regs): Do not move insns that
3810 2001-08-05 Jan Hubicka <jh@suse.cz>
3812 * Makefile.in (reload1.o): Add dedendancy on except.h
3813 * basic-block.h (purge_all_dead_edges, purge_dead_edges): Update
3815 * flow.c (purge_dead_edges, purge_all_dead_edges): Return bool
3816 indicating wehther edges has been cleaned up.
3817 * reload1.c: Inlucde except.h
3818 (fixup_abnormal_edges): Accept deleted insns.
3819 * toplev.c (rest_of_compilation): Purge dead edges unconditionally
3822 2001-08-06 Neil Booth <neil@daikokuya.demon.co.uk>
3824 * cpplib.c (do_line): Correct line number after pop_buffer.
3826 2001-08-05 Neil Booth <neil@daikokuya.demon.co.uk>
3828 PR preprocessor/3824
3829 * line-map.c: Update comments.
3830 * line-map.h: Update comments.
3831 * tradcif.y: Don't consider large numbers unsigned.
3833 2001-08-05 Neil Booth <neil@daikokuya.demon.co.uk>
3835 PR preprocessor/3081
3836 * c-lex.c (map): New.
3837 (cb_file_change): Update map and use it.
3838 (cb_def_pragma, cb_define, cb_undef): Use map and line.
3839 (c_lex): Update to use map.
3840 * cpperror.c (print_location): Move to using logical line numbers.
3841 * cppfiles.c (stack_include_file): Update for new _cpp_do_file_change.
3842 (cpp_make_system_header): Similarly.
3843 (_cpp_execute_include): Stop line numbering hacks. Store the
3844 line we will return to.
3845 * cpphash.h (CPP_BUF_LINE): Remove.
3846 (struct cpp_buffer): Remove lineno and pseudo_newlines.
3847 Add map and return_to_line.
3848 (_cpp_do_file_change): Update.
3849 * cppinit.c (cpp_start_read): Update line kludge.
3850 * cpplex.c (handle_newline): Don't update lineno and pseudo_newlines.
3851 (trigraph_ok): Use logical line numbers for diagnostics.
3852 (skip_block_comment): Likewise.
3853 (skip_whitespace): Likewise.
3854 (skip_line_comment): Use pfile->line instead.
3855 (_cpp_lex_token): Update to use logical line numbering exclusively.
3856 Handle BOL locally. Accept new lines in directives, but keep
3857 pfile->line decremented. Diagnostics use logical lines. Update
3859 * cpplib.c (SEEN_EOL): New.
3860 (skip_rest_of_line, check_eol): Use it.
3861 (end_directive): Increase line number when accepting the newline
3862 at the end of a directive.
3863 (run_directive): Simplify.
3864 (do_line): Bad LC_LEAVEs become LC_RENAMEs. Update.
3865 (_cpp_do_file_change): Update to take buffer line number as an
3866 argument, and store the current map in the cpp_reader. Remove
3867 line number kludges.
3868 (_cpp_do__Pragma): Restore output position after a _Pragma.
3869 (cpp_push_buffer): Don't set output line or lineno.
3870 (_cpp_pop_buffer): Transfer more info from a faked buffer.
3871 Remove line kludge. Set output_line.
3872 * cppmacro.c (builtin_macro): Update handling of __LINE__.
3873 (parse_arg): Use logical lines.
3874 (save_lookahead_token): Save EOFs too now.
3875 * cppmain.c (struct printer): Fix comments.
3876 (printer_init): Simplify, let caller do errors.
3877 (scan_translation_unit, check_multiline_token, dump_macro): Update.
3878 (maybe_print_line): Simplify.
3879 (print_line): Don't print a linemarker if -P.
3880 (cb_define, cb_undef, cb_def_pragma, cb_ident, cb_include): Update.
3881 (cb_file_change): Simplify.
3882 * line-map.h (LAST_SOURCE_LINE): Fix.
3883 (CURRENT_LINE_MAP): New.
3885 2001-08-05 Bernd Schmidt <bernds@redhat.com>
3887 * doloop.c (doloop_modify_runtime): Properly compute number of
3888 iterations if loop was unrolled.
3890 * alias.c (rtx_equal_for_memref_p): VALUEs are only identical
3891 if their CSELIB_VAL_PTRs are.
3893 * config/ia64/ia64.c (struct spill_fill_data): New member prev_insn.
3894 (setup_spill_pointers): Initialize it.
3895 (spill_restore_mem): Set it.
3896 (do_spill, do_restore): Use it to add REG_INC note.
3897 * config/ia64/ia64.md (movti_internal): Add REG_INC notes as needed.
3899 * config/ia64/ia64.c (ia64_sched_reorder): Defer scheduling of
3900 asms if other insns are available.
3902 * config/ia64/ia64.c (condop_operator): New predicate.
3903 * config/ia64/ia64.h (PREDICATE_CODES): Add it.
3904 * config/ia64/ia64.md (cond_opsi2_internal and splitters): New
3907 * expr.c (expand_expr, case COND_EXPR): Prefer working with a
3908 temporary register than directly using a MEM.
3910 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
3912 * config/sh/sh.c (sh_asm_named_section): Fix typo in align
3913 parameter in last change.
3915 2001-08-04 Zack Weinberg <zackw@panix.com>
3917 * sparc.md: Don't use #if inside C test expression.
3919 2001-08-04 Richard Henderson <rth@redhat.com>
3921 * i386.c: Revert 07-30 ix86_output_main_function_alignment_hack.
3923 2001-08-04 Neil Booth <neil@daikokuya.demon.co.uk>
3925 * cpphash.h (struct cpp_reader): New member directive_line.
3926 * cpplib.h (struct cpp_callbacks): Update prototypes of callbacks.
3927 * cpplib.c (do_define, do_undef, do_ident, do_include_common,
3928 do_pragma): Pass line to callbacks.
3929 (start_directive): Record line of directive.
3930 * cppmain.c (cb_ident, cb_define, cb_undef, cb_def_pragma,
3931 cb_include): Similarly.
3932 * c-lex.c (cb_ident, cb_define, cb_undef, cb_def_pragma):
3935 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
3937 * config/d30v/d30v.h: Fix typo in start of UNIQUE_SECTION
3940 Sat Aug 4 13:51:36 CEST 2001 Jan Hubicka <jh@suse.cz>
3942 * loop.c (try_copy_prop); Kill invalidated REG_EQUAL notes.
3944 * reload1.c (fixup_abnormal_edges): New static function.
3947 * flow.c (need_fake_edge_p): New function.
3948 (flow_call_edges_add): Fix handling of noreturn and sibbling calls;
3949 avoid call insn to be very last insn in the insn stream.
3951 * profile.c (branch_prob): Call flow_call_edges_add instead of
3952 doing that by hand; cleanup cfg to re-merge basic blocks once
3955 2001-08-04 Neil Booth <neil@cat.daikokuya.demon.co.uk>
3957 * Makefile.in (CPPLIB_H): New, so that dependencies on cpplib.h
3958 are also on line-map.h.
3959 * cppfiles.c (stack_include_file): Update.
3960 * cpphash.h (struct cpp_buffer): New member return_at_eof.
3961 (_cpp_pop_buffer): New.
3962 * cppinit.c (cpp_destroy, cpp_finish): Update.
3963 (do_includes): Mark each buffer to return at EOF.
3964 * cpplex.c (_cpp_lex_token): Pop buffers at EOF. Continue or
3965 return as requested.
3966 * cpplib.c (run_directive, do_line, cpp_push_buffer): Update.
3967 (cpp_pop_buffer): Rename _cpp_pop_buffer. Stop skipping.
3968 * cpplib.h (cpp_pop_buffer): Remove.
3969 (cpp_scan_buffer_nooutput): Rename cpp_scan_nooutput.
3970 * cppmacro.c (cpp_scan_buffer_nooutput): Similarly. No need to pop
3972 * cppmain.c (scan_buffer): Rename scan_translation_unit. No need
3974 (do_preprocessing): Update.
3975 * fix-header.c (read_scan_file): Update. No need to pop buffers.
3976 * c-parse.in (_yylex): Similarly.
3977 * scan-decls.c (scan_decls): Similarly.
3978 * line-map.h: Update comments.
3980 * objc/Make-lang.in (objc-act.o): Update dependencies.
3982 2001-08-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3984 * config/m68hc11/m68hc11.md ("cmphi_1", "cmpqi_1"): Allow memory
3985 and soft register for operand 0.
3986 ("cmphi_z_used", "cmpqi_z_used"): Allow memory for operand 0.
3988 2001-08-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3990 * config/m68hc11/m68hc11.md ("bitcmpqi"): Allow memory and soft
3991 register for operand 0.
3992 ("bitcmpqi_z_used"): Allow memory for operand 0.
3993 (split "bitcmpqi"): New split to handle address reg as operand 1.
3995 2001-08-04 Andreas Jaeger <aj@suse.de>
3997 * gcse.c: Revert Daniel's last patch.
3999 2001-08-03 Zack Weinberg <zackw@stanford.edu>
4001 * sparc-protos.h: Add prototypes for fp_zero_operand and
4003 * sh-protos.h: Add prototype for fpul_operand.
4005 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
4007 * doc/extend.texi (Other Builtins): Fix typo in last change.
4009 2001-08-03 Richard Henderson <rth@redhat.com>
4011 * target.h (gcc_target): Add asm_out.named_section,
4012 section_type_flags, have_named_sections.
4013 * target-def.h (TARGET_ASM_NAMED_SECTION): New.
4014 (TARGET_HAVE_NAMED_SECTIONS): New.
4015 (TARGET_SECTION_TYPE_FLAGS): New.
4017 * Makefile.in (toplev.o): Depend on TARGET_H.
4018 (varasm.o, dbxout.o): Likewise.
4019 * c-common.c (decl_attributes): Check targetm.have_named_sections
4020 instead of ifdef ASM_OUTPUT_SECTION_NAME.
4021 * dbxout.c (dbxout_function_decl): Likewise.
4022 (dbxout_function_end): Likewise.
4023 * toplev.c (compile_file): Likewise.
4024 * varasm.c (exception_section): Likewise.
4025 * cp/decl2.c (finish_objects): Likewise.
4027 * defaults.h (EH_FRAME_SECTION): Remove.
4028 (EH_FRAME_SECTION_ASM_OP): Remove.
4029 (EH_FRAME_SECTION_NAME): New.
4030 (UNIQUE_SECTION): Don't depend on ASM_OUTPUT_SECTION_NAME.
4031 (UNIQUE_SECTION_P): Remove.
4032 * dwarf2out.c (SECTION_FORMAT): Remove.
4033 (ASM_OUTPUT_SECTION): Remove.
4034 (output_call_frame_info): Use named_section_flags.
4035 (output_comp_unit, dwarf2out_start_source_file): Likewise.
4036 (dwarf2out_end_source_file, dwarf2out_define): Likewise.
4037 (dwarf2out_undef, dwarf2out_init, dwarf2out_finish): Likewise.
4038 * varasm.c (in_eh_frame, eh_frame_section): Remove.
4039 (named_section_flags): New.
4040 (named_section): Use it and targetm.section_type_flags.
4041 (resolve_unique_section): New.
4042 (assemble_start_function): Use it.
4043 (asm_emit_uninitialised, assemble_variable): Likewise.
4044 (default_section_type_flags): New.
4045 (default_no_named_section, default_elf_asm_named_section): New.
4046 (default_coff_asm_named_section, default_pe_asm_named_section): New.
4047 * output.h: Update varasm.c decls.
4048 (SECTION_*): New flags.
4050 * crtstuff.c: Check EH_FRAME_SECTION_NAME not EH_FRAME_SECTION_ASM_OP.
4051 (__EH_FRAME_BEGIN__, __FRAME_END__): Use attribute section.
4053 * config/elfos.h (UNIQUE_SECTION_P): Remove.
4054 * config/alpha/elf.h, config/arm/linux-elf.h: Likewise.
4055 * config/arm/pe.h, config/arm/unknown-elf.h: Likewise.
4056 * config/i386/cygwin.h, config/i386/djgpp.h: Likewise.
4057 * config/i386/i386-interix.h, config/i386/win32.h: Likewise.
4058 * config/ia64/sysv4.h, config/mcore/mcore-pe.h: Likewise.
4059 * config/mips/elf.h, config/mips/elf64.h: Likewise.
4060 * config/mips/iris6gld.h, config/mips/mips.h: Likewise.
4061 * config/pa/pa64-hpux.h,
4063 * config/elfos.h (ASM_OUTPUT_SECTION_NAME): Remove.
4064 (TARGET_ASM_NAMED_SECTION): New.
4065 * config/psos.h, config/a29k/a29k.h, config/alpha/elf.h: Likewise.
4066 * config/alpha/vms.h, config/arm/coff.h: Likewise.
4067 * config/arm/conix-elf.h, config/arm/elf.h: Likewise.
4068 * config/arm/linux-elf.h, config/arm/pe.h: Likewise.
4069 * config/arm/unknown-elf.h, config/avr/avr.h: Likewise.
4070 * config/c4x/c4x.h, config/h8300/h8300.h: Likewise.
4071 * config/i386/cygwin.h, config/i386/djgpp.h: Likewise.
4072 * config/i386/i386-interix.h, config/i386/i386elf.h : Likewise.
4073 * config/i386/sco5.h, config/i386/win32.h: Likewise.
4074 * config/m68k/coff.h, config/mcore/mcore-pe.h: Likewise.
4075 * config/mcore/mcore.h, config/mips/elf.h: Likewise.
4076 * config/mips/elf64.h, config/mips/iris6.h: Likewise.
4077 * config/mips/netbsd.h, config/mips/openbsd.h: Likewise.
4078 * config/pa/pa64-hpux.h, config/rs6000/sysv4.h: Likewise.
4079 * config/rs6000/xcoff.h, config/sh/sh.h: Likewise.
4080 * config/sparc/sysv4.h: Likewise.
4082 * config/nextstep.h: Error until named sections implemented.
4084 * config/a29k/a29k.c (a29k_asm_named_section): New.
4085 * config/alpha/alpha.c (SECTION_VMS_OVERLAY): New.
4086 (vms_section_type_flags, vms_asm_named_section): New.
4087 * config/arm/arm.c (arm_elf_asm_named_section): New.
4088 * config/avr/avr.c (asm_output_section_name): Remove.
4089 * config/avr/avr-protos.h: Update.
4090 * config/c4x/c4x.c (c4x_asm_named_section): New.
4091 * config/h8300/h8300.c (h8300_asm_named_section): New.
4092 * config/i386/i386.c (sco_asm_named_section): New.
4093 * config/i386/winnt.c (SECTION_PE_SHARED): New.
4094 (i386_pe_section_type_flags): New.
4095 (i386_pe_asm_named_section): New.
4096 * config/i386/i386-protos.h: Update.
4097 * config/m68k/m68k.c (m68k_coff_asm_named_section): New.
4098 * config/mcore/mcore.c (mcore_asm_named_section): New.
4099 * config/mips/mips.c (iris6_asm_named_section): New.
4100 * config/mips/mips.h (ENCODE_SECTION_INFO): Use DECL_ONE_ONLY
4101 instead of UNIQUE_SECTION_P.
4102 * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): New.
4103 (xcoff_asm_named_section): New.
4104 * config/sh/sh.c (sh_asm_named_section): New.
4105 * config/sparc/sparc.c (sparc_elf_asm_named_section): New.
4107 * config/i386/djgpp.h (EH_FRAME_SECTION_ASM_OP): Remove.
4108 * config/i386/sco5.h (EH_FRAME_SECTION_ASM_OP*): Remove.
4109 (EH_FRAME_SECTION_NAME): New.
4110 (EXCEPTION_SECTION): New.
4111 * config/ia64/ia64.h (EH_FRAME_SECTION_ASM_OP): Remove.
4112 (DEBUG_*_SECTION): Remove.
4113 * config/m68k/rtemself.h (EH_FRAME_SECTION_ASM_OP): Remove.
4114 * config/mips/iris6.h (DEBUG_*_SECTION): Remove.
4115 (EH_FRAME_SECTION_ASM_OP): Remove.
4117 * doc/tm.texi (UNIQUE_SECTION_P): Remove.
4118 (ASM_OUTPUT_SECTION_NAME): Remove.
4119 (TARGET_ASM_NAMED_SECTION): New.
4120 (TARGET_HAVE_NAMED_SECTIONS): New.
4121 (TARGET_SECTION_TYPE_FLAGS): New.
4122 (EH_FRAME_SECTION_ASM_OP): Remove.
4123 (EH_FRAME_SECTION_NAME): New.
4125 2001-08-03 Zack Weinberg <zackw@stanford.edu>
4127 * builtins.c (fold_builtin_constant_p): Return integer_zero_node
4128 for complex expressions when cfun == 0.
4129 * doc/extend.texi: Document that __builtin_constant_p can be
4130 used in data initializers as well as functions.
4132 2001-08-03 Alexandre Oliva <aoliva@redhat.com>
4134 * config/mn10300/mn10300.h (CONDITIONAL_REGISTER_USAGE): Declare
4135 variable I locally, instead of expecting a declaration in the
4138 2001-08-03 Richard Henderson <rth@redhat.com>
4140 * except.c (collect_one_action_chain): Add an explicit cleanup
4141 action if regions surrounding a catch were encoded entirely
4142 within the call-site entry.
4144 2001-08-03 Richard Henderson <rth@redhat.com>
4146 * dbxout.c (dbxout_symbol_location): Flatten subregs first;
4147 don't take REGNO of a non-register.
4149 2001-08-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
4151 * gthr-dce.h (__GTHREAD_MUTEX_INIT_FUNCTION and
4152 __GTHREAD_MUTEX_INIT_DEFAULT): New macros for mutex initialization.
4153 (__gthread_key_delete): Remove code for __PTHREAD_LIBRARY_VERSION_1 >= 1
4154 (__gthread_mutex_init_function): New function for mutex initialization.
4156 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
4158 * Makefile.in: Revert screwed up commit.
4160 2001-08-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4162 * config/m68hc11/t-m68hc11-gas (T_CPPFLAGS): Add _ctor and _dtor.
4163 * config/m68hc11/larith.asm (_exit): Split in several sub-sections
4164 merged by linker script to get a final _exit().
4165 (__do_global_dtors): New for destructor handling in specific exit
4167 (__do_global_ctors): New for constructors in specific install section.
4168 (__map_data_section): Map data sections before running constructors.
4169 * config/m68hc11/m68hc11.h (INT_ASM_OP): Define to use .word.
4170 (CTORS_SECTION_ASM_OP): Define to put in readonly section.
4171 (DTORS_SECTION_ASM_OP): Likewise.
4172 (CTORS_SECTION_FUNCTION): Define to force a reference to
4174 (DTORS_SECTION_FUNCTION): Likewise for __do_global_dtors.
4176 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
4178 * ChangeLog: Fix date on previous ChangeLog entry for GCSE.
4180 * Makefile.in: Add df.h to gcse.c dependencies.
4182 2001-08-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
4184 * varasm.c (output_constant_def_contents): Use for the length of a
4185 string constant either its TREE_STRING_LENGTH or its int_size_in_bytes
4186 depending on which is larger.
4188 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
4190 * gcse.c: Include df.h for use as a dataflow analyzer.
4192 Declaration of reg_set_info: gone.
4193 New df_analyzer variable used by store motion.
4194 (reg_set_info): Deleted.
4195 (mark_mem_regs): New function, analyze regs used by a mem.
4196 (store_ops_ok): Use dataflow analyzer results to determine if
4197 necessary regs are changed in the block.
4198 (find_moveable_store): Remove check for symbol ref, we can handle
4199 much more complex expressions now.
4200 (compute_store_table): Remove most of the code, it's unnecessary
4201 now that the dataflow analyzer records the info for us.
4202 (store_killed_after): Add parameter to say whether to do the
4203 store_ops_okay test, used to speed up testing when we already know
4204 the answer, and just want to know if the store itself was killed.
4205 (build_store_vector): Largely rewritten to calculate the various
4206 vectors properly, and somewhat optimized.
4207 (store_motion): Init the df_analyzer, get REG_DEF chains.
4208 Also handle trapping expressions (since mems almost always trap)
4209 (simple_mem): Redefine what a simple mem is.
4211 2001-08-03 DJ Delorie <dj@redhat.com>
4213 * ifcvt.c (noce_get_alt_condition): Don't make an auxiliary
4214 set from a constant part of the condition.
4216 2001-08-01 Andrew Cagney <ac131313@redhat.com>
4218 * mkdeps.c (deps_add_default_target): Make local variable
4219 ``start'' a const char pointer.
4220 * dwarf2out.c (compute_section_prefix): Localize use of ``p''.
4222 2001-08-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4224 * doc/install.texi (Configuration): Fix markup.
4225 (Specific, i?86-*-udk): Likewise.
4226 (Specific, alpha*-dec-osf*): Warn against --with-gnu-as,
4228 Document --enable-threads and --enable-libgcj status.
4229 (Specific, mips-sgi-irix*): Canonicalize triples.
4230 (Specific, mips-sgi-irix5): Warn about problems with this config.
4231 Mention required GNU as patch.
4232 Native assembler problems are fixed.
4233 (Specific, mips-sgi-irix6): Update O32 ABI support status.
4234 Document --enable-threads and --enable-libgcj status.
4236 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
4238 * Makefile.in, mklibgcc.in: Restore changes with fixed invocation
4241 2001-08-03 Richard Henderson <rth@redhat.com>
4243 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Don't write to
4246 2001-08-03 Richard Henderson <rth@redhat.com>
4248 * rtlanal.c (find_first_parameter_load): Stop if we
4249 reach a CODE_LABEL at BOUNDARY.
4251 2001-08-03 Richard Henderson <rth@redhat.com>
4253 * config/alpha/alpha.md (force_movdi): New insn.
4254 * config/alpha/alpha.c (alpha_expand_prologue): Use it.
4255 Tweek FRP marking of VMS prologue insns.
4256 * config/alpha/vms.h (EPILOGUE_USES): New.
4258 2001-08-02 Richard Henderson <rth@redhat.com>
4260 * Makefile.in, mklibgcc.in: Revert mkinstalldirs change.
4262 2001-08-02 Lars Brinkhoff <lars@nocrew.org>
4264 * combine.c, config.gcc, cse.c, defaults.h, real.c, reload.c,
4265 simplify-rtx.c, config/alpha/alpha.h, config/avr/avr.h,
4266 config/convex/convex.h, config/d30v/d30v.c,
4267 config/d30v/d30v.h, config/dsp16xx/dsp16xx.h,
4268 config/elxsi/elxsi.h, config/fr30/fr30.h, config/m88k/m88k.c,
4269 config/mips/mips.h, config/mn10200/mn10200.h,
4270 config/mn10300/mn10300.h, config/pdp11/pdp11.md,
4271 config/v850/v850.h, config/vax/openbsd.h,
4272 config/vax/openbsd1.h, config/vax/ultrix.h,
4273 config/vax/vax-protos.h, config/vax/vax.c, config/vax/vax.h,
4274 config/vax/vax.md, config/vax/vaxv.h, config/vax/xm-vms.h,
4275 cp/decl2.c, doc/contrib.texi, doc/cpp.texi, doc/gcc.texi,
4276 doc/install.texi, doc/invoke.texi, doc/md.texi, doc/rtl.texi,
4277 doc/tm.texi: consistently use "VAX", "VAXen", and "MicroVAX"
4278 in comments and documentation.
4280 2001-08-03 Neil Booth <neil@cat.daikokuya.demon.co.uk>
4284 * Makefile.in (line-map.o): New.
4285 (LIBCPP_OBJS, LIBCPP_DEPS): Update.
4286 * c-lex.c (cb_file_change): Update for new cpp_file_change structure.
4287 * cpperror.c (print_containing_files): Similarly.
4288 (print_location): Update. Don't output a space before _Pragma.
4289 * cppfiles.c (stack_include_file): Set to line 1 immediately.
4290 (stack_include_filee, cpp_make_system_header): Update.
4291 (_cpp_execute_include): Get logical line number right for calling
4292 as-yet-unterminated #include.
4293 * cpphash.h (struct cpp_reader): Add line_maps.
4294 (_cpp_do_file_change): Update.
4295 * cppinit.c (cpp_create_reader): Initialize line maps.
4296 (cpp_destroy): Destroy line maps.
4297 (cpp_start_read): Get logical line number right.
4298 * cpplex.c (parse_string): Only warn once for multi-line strings.
4299 Use boolean variable for null warning.
4300 * cpplib.c (_cpp_handle_directive): End the directive if it isn't
4302 (do_include_common): End the directive early.
4303 (do_line): Don't warn about out-of-range lines in preprocessed
4304 source. Update. Remove unused variables.
4305 (_cpp_do_file_change): Update for new line mapping.
4306 (pragma_cb): New typedef.
4307 (cpp_register_pragma): Stop looking ahead before calling the
4309 (do_pragma_system_header): End directive early.
4310 (cpp_get_line_maps): New.
4311 (cpp_pop_buffer): Fudge logical line. Update.
4312 * cpplib.h: Include line-map.h
4313 (enum cpp_fc_reason): Remove.
4314 (struct cpp_file_change): Update.
4315 (cpp_get_line_maps): New.
4316 * cppmain.c (struct_printer): New member map.
4317 (cb_file_change): Update for new mappings.
4318 * fix-header.c (cb_file_change): Similarly.
4320 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
4322 * Makefile.in (libgcc.mk): Define mkinstalldirs.
4323 * mklibgcc.in: Use mkinstalldirs instead of mkdir.
4325 2001-08-02 Lars Brinkhoff <lars@nocrew.org>
4327 * config/vax/vax.c: include expr.h.
4329 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
4331 * Makefile.in ($(srcdir)/configure): Only rebuild in
4333 ($(srcdir)/config.in): Only define in maintainer mode.
4334 ($(srcdir)/cstamp-h.in): Only define in maintainer mode.
4336 2001-08-02 David Edelsohn <edelsohn@gnu.org>
4338 * doc/install.texi (Install GCC: Binaries): Update Bull info.
4340 2001-08-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4342 * gcc.c (set_collect_gcc_options): New function, split out from
4344 Ignore elided switches.
4345 (do_spec_1): Invoke before executing command.
4346 (set_input): Export.
4347 Move declaration ...
4348 * gcc.h (set_input): ... here.
4349 * config/alpha/osf.h (ASM_FINAL_SPEC): Use %U.s to refer to input
4352 2001-08-02 Nathan Sidwell <nathan@codesourcery.com>
4355 * doc/c-tree.texi (Namespaces): Remove std & -fhonor-std
4357 * doc/invoke.texi (C++ Dialect Options): Remove -fno-honor-std.
4359 2001-08-02 Richard Sandiford <rsandifo@redhat.com>
4361 * mips.md (movdicc): Make conditional on TARGET_64BIT. Likewise
4362 for the unnamed instructions it expands to.
4364 2001-08-02 Richard Henderson <rth@redhat.com>
4366 * regclass.c (call_really_used_regs): Conditionally define.
4367 (init_reg_sets_1): Don't use it if not defined.
4368 (fix_register): Similarly, don't set it.
4370 2001-08-01 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4372 * params.def (PARAM_MAX_INLINE_INSNS): Change default to 600.
4373 Correct comment that had been missed in the previous change.
4375 2001-08-01 Stan Shebs <shebs@apple.com>
4377 * config/darwin.c (machopic_stub_name): Try matching by name.
4378 (update_stubs): New function.
4379 (darwin_encode_section_info): Call it and update_non_lazy_ptrs
4382 2001-08-01 Richard Henderson <rth@redhat.com>
4384 * except.c (output_function_exception_table): Use assemble_align.
4385 * varasm.c (assemble_eh_label): Remove.
4386 (assemble_eh_align, assemble_eh_integer): Remove.
4388 2001-08-01 Robert Lipe <robertl@caldera.com>
4390 * dwarfout.c: Remove reference to README.DWARF.
4392 2001-08-01 Andrew MacLeod <amacleod@redhat.com>
4394 * regclass.c (call_really_used_regs): New array for registers which
4395 are actually used by a call.
4396 (init_reg_sets_1): Initialize regs_invalidated_by_call with the
4398 (fix_register): Set call_really_used too.
4399 * config/ia64/ia64.h (CALL_REALLY_USED_REGISTERS): Initialize.
4400 * doc/tm.texi (CALL_REALLY_USED_REGISTERS): Document.
4402 2001-08-01 Richard Henderson <rth@redhat.com>
4404 * read-rtl.c (read_name): Consider \r whitespace.
4406 2001-07-11 Andrew Cagney <ac131313@redhat.com>
4408 * config.gcc: Recognize powerpc-*-netbsd*.
4410 * doc/install.texi (Host/target specific installation notes for
4411 GCC): Mention powerpc-*-netbsd*.
4413 * config/rs6000/netbsd.h: New file.
4414 (STANDARD_STARTFILE_PREFIX, LINK_SHLIB_SPEC): Redefine.
4415 (LIB_DEFAULT_SPEC, STARTFILE_DEFAULT_SPEC): Redefine.
4416 (ENDFILE_DEFAULT_SPEC, LINK_START_DEFAULT_SPEC): Redefine.
4417 (LINK_OS_DEFAULT_SPEC, CPP_OS_DEFAULT_SPEC): Redefine.
4418 (TARGET_VERSION): Redefine.
4420 * config/rs6000/t-ppccomm (MULTILIB_MATCHES_SYSV): Recognize
4421 mcall-netbsd as a match for mcall-sysv.
4422 (EXTRA_MULTILIB_PARTS): Add ncrti$(objext) and ncrtn$(objext).
4423 (ncrti.S, ncrtn.S): New targets.
4424 ($(T)ncrti$(objext), $(T)ncrtn$(objext)): New targets.
4426 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Recognize
4427 "netbsd' as a V4 ABI.
4428 (ASM_SPEC): Check for -mcall-netbsd.
4429 (CC1_SPEC, CC1_SPEC, LINK_START_SPEC, LINK_OS_SPEC): Ditto.
4430 (CPP_ENDIAN_SPEC, CPP_SPEC, STARTFILE_SPEC): Ditto.
4431 (LIB_SPEC, ENDFILE_SPEC): Ditto.
4432 (LIB_NETBSD_SPEC, STARTFILE_NETBSD_SPEC): Define.
4433 (ENDFILE_NETBSD_SPEC, LINK_START_NETBSD_SPEC): Define.
4434 (LINK_OS_NETBSD_SPEC, CPP_OS_NETBSD_SPEC): Define.
4435 (SUBTARGET_EXTRA_SPECS): Add NetBSD specs.
4437 * doc/invoke.texi (Option Summary): Add -mcall-netbsd.
4438 (RS/6000 and PowerPC Options): Mention -mcall-netbsd.
4440 2001-08-01 Mark Kettenis <kettenis@gnu.org>
4442 * unwind-pe.h (base_of_encoded_value, read_encoded_value): Define
4443 only if NO_BASE_OF_ENCODED_VALUE isn't defined.
4444 * unwind-dw2-fde.c (NO_BASE_OF_ENCODED_VALUE): Define before
4445 including "unwind-pe.h".
4447 Wed Aug 1 20:01:42 CEST 2001 Jan Hubicka <jh@suse.cz>
4449 * rs6000.md (define_splits): Kill unused constraints.
4451 Wed Aug 1 20:02:12 CEST 2001 Graham Stott <grahams@redhat.com>
4452 Jan Hubicka <jh@suse.cz>
4454 * function.c (thread_prologue_and_epilogue_insns): Kill code
4455 dealing with non-existent CFG.
4457 2001-08-01 Kazu Hirata <kazu@hxi.com>
4459 * alias.c: Fix comment formatting.
4460 * bitmap.c: Likewise.
4461 * builtins.c: Likewise.
4462 * calls.c: Likewise.
4463 * c-common.c: Likewise.
4464 * c-decl.c: Likewise.
4465 * c-dump.c: Likewise.
4466 * c-lex.c: Likewise.
4467 * collect2.c: Likewise.
4468 * combine.c: Likewise.
4469 * conflict.c: Likewise.
4470 * cppfiles.c: Likewise.
4471 * cppinit.c: Likewise.
4472 * cpplex.c: Likewise.
4473 * cpplib.c: Likewise.
4474 * cppmacro.c: Likewise.
4475 * cppspec.c: Likewise.
4476 * c-pragma.c: Likewise.
4477 * crtstuff.c: Likewise.
4479 * cselib.c: Likewise.
4480 * c-semantics.c: Likewise.
4481 * c-typeck.c: Likewise.
4483 2001-08-01 H.J. Lu <hjl@gnu.org>
4485 * config/mips/linux.h (ASM_OUTPUT_IDENT): Defined.
4487 2001-08-01 H.J. Lu <hjl@gnu.org>
4489 * gcc/config/mips/linux.h (ASM_OUTPUT_SOURCE_LINE): Defined.
4491 2001-08-01 Ziemowit Laski <zlaski@apple.com>
4493 * c-parse.in (OBJC_NEED_RAW_IDENTIFIER): Define macro and flag for
4494 contextualizing Objective-C class name lookup by the lexer.
4495 (typespec_reserved_nonattr): Disable ObjC class name lookup after
4497 (protocoldef): Add support for forward @protocol declarations.
4498 (yylexname): Suppress ObjC class name lookup in certain contexts;
4499 re-enable after lookup is complete.
4500 (_yylex): Re-enable ObjC class name lookup when certain
4501 punctuation marks are seen.
4503 * objc/objc-act.c (check_protocol_recursively): New function used
4504 for finding circular dependencies in protocols.
4505 (objc_declare_protocols): New function for handling forward
4506 @protocol declarations.
4507 (receiver_is_class_object): Detect the case when 'self' is used
4508 inside of a class method.
4509 (build_message_expr): Issue a warning if class method is desired
4510 but instance method is found instead.
4511 (conforms_to_protocol): Streamline.
4512 (objc_comptypes): Detect the fact that 'Bar<Foo> foo' conforms to
4513 protocol Foo, even if 'Bar foo' does not.
4514 (check_protocols): Streamline.
4515 (start_protocol): Add checks for circular and duplicate protocol
4517 (encode_aggregate_within): For typedefs of structs, encode the
4519 * objc/objc-act.h (PROTOCOL_DEFINED): New tree accessor.
4520 (objc_declare_protocols): New prototype.
4522 2001-08-01 Neil Booth <neil@cat.daikokuya.demon.co.uk>
4524 * cpphash.h (struct cpp_reader): New members line, pseudo_newlines.
4525 * cpplex.c (handle_newline): Update prototype. Maintain logical
4527 (skip_escaped_newlines, skip_block_comment, parse_string):
4529 (_cpp_lex_token): Update, and store token position within the token.
4530 * cpplib.h (struct cpp_token): Add line and column entries.
4531 * cppmacro.c (replace_args): Position stringified tokens correctly.
4533 2001-08-01 Andreas Jaeger <aj@suse.de>
4535 * basic-block.h: Add prototype for last_loop_beg_note.
4537 2001-07-31 Alexandre Petit-Bianco <apbianco@redhat.com>
4539 * expr.c (safe_from_p): Use WITH_CLEANUP_EXPR_RTL instead of
4540 RTL_EXPR_RTL while handling WITH_CLEANUP_EXPR nodes. Fixed typo in
4542 (expand_expr): Use WITH_CLEANUP_EXPR_RTL instead of RTL_EXPR_RTL
4543 while handling WITH_CLEANUP_EXPR node. Use second operand calling
4544 expand_decl_cleanup.
4545 * tree.c (firt_rtl_op): The third operand of WITH_CLEANUP_EXPR is
4547 (simple_cst_equal): WITH_CLEANUP_EXPR node to use its second
4548 operand while calling simple_cst_equal.
4549 * tree.def (WITH_CLEANUP_EXPR): Switched operands: the second
4550 operand is the cleanup expression, the third is the RTL_EXPR.
4551 * tree.h (WITH_CLEANUP_EXPR_RTL): New macro.
4553 2001-07-31 Jeff Sturm <jsturm@one-point.com>
4555 * except.c (duplicate_eh_regions): Test n_array[i] for NULL.
4557 2001-07-31 matthew green <mrg@eterna.com.au>
4559 * config.gcc (i386-*-netbsdelf): New description.
4560 * config/i386/netbsd-elf.h: New file.
4562 2001-07-30 Geoffrey Keating <geoffk@redhat.com>
4564 * loop.c (check_dbra_loop): Use single_set to compute
4567 2001-07-31 Daniel Berlin <dan@cgsoftware.com>
4569 PowerPC reorg and support for powerpc64-*-linux*.
4571 Also fixes emitting of constants on 32 bit and 64 bit
4574 * config.gcc: powerpc64-*-linux* is a new target.
4575 Things that needed aix.h now also include xcoff.h
4577 * config/rs6000/rs6000.h: Split XCOFF specific stuff into
4579 Move AIX specific stuff into aix.h.
4580 (TARGET_AIX): Renamed to TARGET_XCOFF, since the AIX ABI is used
4581 with more than just XCOFF now.
4582 (SET_ASM_OP): Remove, now defined where needed.
4583 (FUNCTION_PROLOGUE): New macro definition.
4584 (FUNCTION_EPILOGUE): New macro definition.
4585 (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): New macro definition.
4587 * config/rs6000/xcoff.h: New file.
4589 * config/rs6000/linux64.h: New file.
4591 * config/rs6000/darwin.h: Copy needed AIX alignment definitions.
4593 2001-07-31 Alan Modra <amodra@bigpond.net.au>
4595 * rs6000.c (print_operand_address): Handle ELF syntax.
4596 (output_toc): Simplify. Use DOUBLE_INT_ASM_OP.
4597 * rs6000.md (load_toc_aix_di): Handle ELF syntax.
4598 * rs6000.h (ASM_OUTPUT_DOUBLE_INT, ASM_LONG): Use DOUBLE_INT_ASM_OP.
4600 2001-07-31 David Edelsohn <edelsohn@gnu.org>
4602 * rs6000.c (rs6000_override_options): Only disable
4603 flag_function_sections for XCOFF.
4604 (exact_log2_cint_operand): New predicate.
4605 (reg_or_{add,sub}_cint64_operand): New predicates.
4606 (add_operand): Compare CONST_INT with fewer function calls.
4607 (rs6000_emit_set_const, rs6000_emit_set_long_const): New functions.
4608 (print_operand, case 'p'): Ensure positive operand.
4609 (rs6000_emit_load_toc_table): No load_toc_v4_pic_di.
4610 * rs6000.h (CONST_OK_FOR_LETTER_P, case 'N'): Ensure positive value.
4611 (PREDICATE_CODES): Add new predicates.
4612 * rs6000.md (addsi3): Split 32-bit constants more correctly.
4613 (divsi3, modsi3): Ensure positive power-of-2.
4614 (adddi3): Use new predicate. Split 32-bit constants more
4615 correctly. Re-arrange splitter to handle any constant.
4616 (subdi3): Use new predicate.
4617 (divdi3, moddi3): Ensure positive power-of-2.
4618 (movdi): Use rs6000_emit_set_const.
4619 (load_toc_v4_pic_di): Delete.
4621 2001-07-31 Graham Stott <grahams@redhat.com>
4623 * function.c (pad_below): Revert 2001-07-26 patch.
4625 Tue Jul 31 15:37:35 CEST 2001 Jan Hubicka <jh@suse.cz>
4627 * reg-stack (convert_regs_1): Fix best edge condition.
4629 Tue Jul 31 15:33:27 CEST 2001 Jan Hubicka <jh@suse.cz>
4631 * jump.c (duplicate_loop_exit_test): Better test for jumps
4632 entering the loop; create loop pre_header.
4634 2001-07-31 Hartmut Penner <hpenner@de.ibm.com>
4636 * doc/install.texi: Add s390 and s390x as new targets.
4637 * doc/invoke.texi: Add documantation of S/390 and zSeries
4639 * doc/md.texi: Add documantation of S/390 and zSeries constraints.
4641 2001-07-30 Roman Zippel <zippel@linux-m68k.org>
4643 * config/m68k/m68k.md: Replace all general_operand with
4644 nonimmediate_operand for all destinations.
4645 * config/m68k/m68k.c (not_sp_operand): Likewise.
4647 Mon Jul 30 23:20:34 EDT 2001 John Wehle (john@feith.com)
4649 * flow.c (merge_blocks): Return 1 if an extra jump is inserted.
4651 2001-07-30 Richard Henderson <rth@redhat.com>
4653 * config/ia64/ia64.h (DEBUG_RANGES_SECTION): New.
4654 * config/mips/iris6.h (DEBUG_RANGES_SECTION): New.
4656 2001-07-30 Roman Zippel <zippel@linux-m68k.org>
4658 * config/m68k/m68k.h (TARGET_SWITCHES/TARGET_OPTIONS):
4659 Add missing doc strings
4660 * config/m68k/linux-aout.h (SUBTARGET_SWITCHES): Likewise
4661 * config/m68k/linux.h (SUBTARGET_SWITCHES): Likewise
4663 Mon Jul 30 22:16:08 CEST 2001 Jan Hubicka <jh@suse.cz>
4665 * i386.c (ix86_output_main_function_alignment_hack): New function.
4666 (TARGET_ASM_FUNCTION_PROLOGUE): Default to it.
4668 * flow.c (mark_dfs_back_edges): Move from loop_p ; mark back
4669 edges by EDGE_DFS_BACK flag.
4670 (dump_edge_info): Add dfs_back flag.
4671 * basic-block.h (EDGE_DFS_BACK): New constant.
4672 (mark_dfs_back_edges): Declare.
4673 * alias.c (loop_p): Remove.
4674 (mark_constant_function): Use mark_dfs_back_edges.
4676 * reg-stack.c (block_info_def): Add predecesors counter and stack_out.
4677 (reg_to_stack): Call mark_dfs_back_edges; count the predecesors.
4678 (compensate_edge): Break out from ...
4679 (convert_regs_1): ... here; do smart choosing of stack_out to copy.
4680 (convert_regs_2): Set block_done once block is really done;
4681 Do updating of the predecesors counts.
4683 * toplev.c (rest_of_compilation): Recompute block_for_insn
4684 before post-reload cfg_cleanup.
4685 * function.c (thread_prologue_epilogue_insns):
4686 Call set_block_for_new_insns when emitting prologue directly.
4688 2001-07-30 Andreas Jaeger <aj@suse.de>
4690 * jump.c: Add prototype for mark_modified_reg.
4692 * cse.c (set_live_p): Add unused attribute.
4694 * gcov.c (calculate_branch_probs): Use gcov_type to avoid
4696 (scan_for_source_files): Use long for count to avoid overflow.
4697 (output_data): Likewise.
4698 (output_data): Don't use string concatatenation to silence gcc
4701 * predict.c: Fix typos and grammar.
4703 * gcse.c (insert_insn_end_bb): Remove unused variables.
4705 Mon Jul 30 21:54:53 CEST 2001 Jan Hubicka <jh@suse.cz>
4707 * flow.c (mark_set_1): Use REG_FREQ_FROM_BB.
4708 (attempt_auto_inc): LIkewise.
4709 (mark_used_reg): Likewise.
4710 (try_pre_increment_1): Likewise.
4711 * regclass.c (regclass): Likewise.
4712 * global.c (allocno_compare): Update comment; change scaling factor.
4713 * local-alloc.c (QTY_CMP_PRI): Likewise.
4714 * regs.h (REG_FREQ_FROM_BB): New.
4715 (REG_FREQ_MAX): Likewise.
4717 2001-07-30 H.J. Lu <hjl@gnu.org>
4719 * config/mips/linux.h (CPLUSPLUS_CPP_SPEC): Add
4722 2001-07-30 H.J. Lu (hjl@gnu.org)
4724 * config/mips/linux.h (ASM_DECLARE_FUNCTION_NAME): Defined.
4725 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
4726 (FUNCTION_NAME_ALREADY_DECLARED): Likewise.
4728 2001-07-30 Nick Clifton <nickc@cambridge.redhat.com>
4730 * config/arm/t-arm-elf (MULTILIB_EXCEPTIONS): Skip -mthumb as well
4731 as -mthumb-interwork when -mcpu=arm7 is specified.
4733 Mon Jul 30 17:44:43 CEST 2001 Jan Hubicka <jh@suse.cz>
4735 * predict.def (noreturn, loop branch, loop exit): Mark as first
4738 Mon Jul 30 12:52:11 CEST 2001 Jan Hubicka <jh@suse.cz>
4740 * combine.c (try_combine): Avoid barrier after noop jumps.
4742 2001-07-29 Neil Booth <neil@cat.daikokuya.demon.co.uk>
4744 * cpphash.h (struct cpp_reader): Remove import_warning.
4745 * cpplib.c (skip_rest_of_line): Don't bother turning off
4747 (parse_include): Move include handling to...
4748 (do_include_common): ... here. Move import warning from...
4749 (do_import): ... here.
4750 (do_pragma_poison): Don't do a callback for poison identifiers.
4751 * cpplib.h (struct cpp_callbacks): Don't do poison callbacks.
4752 * cppmain.c (setup_callbacks): Similarly.
4754 Sun Jul 29 23:26:50 CEST 2001 Jan Hubicka <jh@suse.cz>
4756 * rtlanal.c (parms_set, find_first_parameter_load): Break out from...;
4757 handle multiple sets.
4758 * except.c (sjlj_mark_call_sites): .... here.
4759 * gcse.c (insert_insn_end_bb): Use find_first_parameter_load.
4761 Sun Jul 29 21:38:45 CEST 2001 Jan Hubicka <jh@suse.cz>
4763 Suggested by Richard Henderson and Richard Kenner:
4764 * combine.c (recog_for_combine): Use the fake recog
4765 only if instruction does not match.
4766 * rtl.h (NOOP_MOVE_INSN_CODE): New.
4767 * rtlanal.c (noop_move_p): Always return 1 for NOOP_MOVE_INSN_CODE.
4769 * combine.c (try_combine): Discover noop jump as direct jump.
4771 2001-07-29 Daniel Berlin <dan@cgsoftware.com>
4773 * df.c (df_rd_global_compute): Add successors to worklist, not
4775 (df_ru_global_compute): Ditto.
4777 2001-07-27 Daniel Berlin <dan@cgsoftware.com>
4779 * regclass.c (reg_scan_mark_refs): Increment REG_N_REFS when we
4780 increment REG_N_SETS.
4782 2001-07-26 Daniel Berlin <dan@cgsoftware.com>
4784 * sbitmap.h: New prototype for sbitmap_a_xor_b.
4786 * sbitmap.c (sbitmap_a_xor_b): New function.
4787 ifdef the basic block stuff on IN_GCC.
4789 2001-07-29 Neil Booth <neil@cat.daikokuya.demon.co.uk>
4791 * cppexp.c (parse_defined): Always record the macro name.
4792 (lex): Don't worry about identifiers, or special-case
4794 (_cpp_parse_expr): Figure out at the end of the routine
4795 whether we saw a valid !defined() expression.
4796 * cppfiles.c (stack_include_file): Update for mi_valid.
4797 (_cpp_pop_file_buffer): Similarly.
4798 * cpplex.c (_cpp_lex_token): Similarly.
4799 * cpphash.h (enum mi_state, enum mi_ind, mi_state,
4800 mi_if_not_defined, mi_lexed): Remove.
4802 * cpplib.c (do_if): Simplify.
4803 (do_endif, push_conditional, _cpp_handle_directive): Update
4804 for renaming of mi_state to mi_valid.
4806 * cpp.texi: Add index entries for digraphs, and add comment
4807 that C++ refers to them as alternative tokens.
4809 Sun Jul 29 18:59:13 CEST 2001 Jan Hubicka <jh@suse.cz>
4811 * basic-block.h (CLEANUP_PRE_LOOP): New.
4812 * except.c (finish_eh_generation): Update call of cleanup_cfg.
4813 * sibcall.c (optimize_sibling_calls): Likewise.
4814 * toplev.c (rest_of_compilation): Likewise.
4815 * flow.c (try_forward_edges): Take argument MODE;
4816 do not forward over loop pre-headers if CLEANUP_PRE_LOOP.
4817 (try_optimize_cfg): Update call of try_forward_edges.
4819 Sun Jul 29 18:59:56 CEST 2001 Roman Zippel <zippel@linux-m68k.org>
4820 Jan Hubicka <jh@suse.cz>
4822 * (validate_replace_rtx_1): Fix simplification of MINUS.
4824 2001-07-29 Neil Booth <neil@daikokuya.demon.co.uk>
4826 PR preprocessor/3669
4827 * cppinit.c (init_dependency_output): Turn off dump requests
4828 if sending dependencies to stdout.
4830 2001-07-28 Richard Henderson <rth@redhat.com>
4832 * flow.c (life_analysis): Elide PROP_ALLOW_CFG_CHANGES if
4835 2001-07-28 Golubev I. N. <gin@mo.msk.ru>
4837 * config/i386/sco5.h (DWARF2_DEBUGGING_INFO): Define.
4839 2001-07-28 Kazu Hirata <kazu@hxi.com>
4841 * config/h8300/h8300.h (ENCODE_SECTION_INFO): Check to see if DECL
4842 is VAR_DECL first to prevent an ICE.
4844 2001-07-28 Richard Henderson <rth@redhat.com>
4846 * varasm.c (immed_real_const_1): Don't elide special cases for
4848 (clear_const_double_mem): Clear const_tiny_rtx too.
4850 2001-07-28 Richard Henderson <rth@redhat.com>
4852 * dwarf2out.c (dw_val_class_offset): New.
4853 (struct dw_ranges_struct, dw_ranges_ref): New.
4854 (ranges_table, ranges_table_allocated): New.
4855 (ranges_table_in_use, RANGES_TABLE_INCREMENT): New.
4856 (add_AT_offset, add_ranges, output_ranges): New.
4857 (print_die, output_die): Handle dw_val_class_offset.
4858 (attr_checksum, size_of_die, value_format): Likewise.
4859 (gen_lexical_block_die): Handle non-contiguous blocks.
4860 (gen_block_die): Likewise.
4861 (dwarf2out_finish): Add a DW_AT_entry_pc to the compilation unit
4862 if needed. Dump the ranges table.
4863 * final.c (final_start_function): Remove unnecessary notes and
4864 rebuild the block tree before numbering the blocks.
4865 * function.c (reorder_blocks_0): Walk the existing block tree
4866 to unmark all blocks.
4867 (reorder_blocks_1): Create block fragments when duplicate block
4869 (reorder_fix_fragments): New.
4870 (reorder_blocks): Call it.
4871 * tree.h (BLOCK_FRAGMENT_ORIGIN, BLOCK_FRAGMENT_CHAIN): New.
4873 2001-07-28 Richard Henderson <rth@redhat.com>
4875 * emit-rtl.c (adjust_address): Make a copy of the memory address.
4877 2001-07-28 Richard Henderson <rth@redhat.com>
4879 * flow.c (add_to_mem_set_list): New function.
4880 (init_propagate_block_info): Use it.
4881 (mark_set_1): Likewise.
4882 (insn_dead_p): Canonicalize memory address for dead store
4883 comparison. Allow wider mode stores to kill narrower mode stores.
4884 (invalidate_mems_from_autoinc): Use invalidate_mems_from_set.
4885 (invalidate_mems_from_set): Don't handle MEMs.
4887 2001-07-28 Kazu Hirata <kazu@hxi.com>
4889 * config/h8300/h8300.h: Fix formatting.
4891 Sat Jul 28 23:35:22 CEST 2001 Jan Hubicka <jh@suse.cz>
4893 * basic-block.h (EDGE_FREQUENCY): New macro.
4894 * bb-reorder (fixup_reorder_chain): Set counts and frequencies
4896 * flow.c (find_sub_basic_blocks): Likewise.
4897 (try_crossjump_to_edge): Likewise; use EDGE_FREQUENCY
4898 (redirect_edge_and_branch): Use EDGE_FREQUENCY.
4900 * predict.c (DEF_PREDICTOR): New argument FLAGS.
4901 (HITRATE): New macro.
4902 (PRED_FLAG_FIRST_MATCH): New constant.
4903 (predictor_info): New field flgags.
4904 (combine_predictions_for_insn): Use DS theory to combine
4905 probabilities; set the edge probabilities when finished.
4906 (estimate_probability): Avoid duplicated matches
4907 of LOOP_BRANCH heuristics for nested loops; update comment.
4908 * predict.def: Add flags for each prediction, set probabilities
4909 according to B&L paper.
4910 * predict.h (DEF_PREDICTOR): New argument FLAGS.
4912 * profile.c (compute_branch_probabilities): Cleanup way the edge
4913 probabilities are computed and REG_BR_PROB notes are dropped; if
4914 values does not match, emit error.
4915 (init_branch_prob): Do error instead of warning when profile driven
4916 feedback is missing or corrupt.
4918 2001-07-27 DJ Delorie <dj@redhat.com>
4920 * ifcvt.c (noce_get_alt_condition): If the condition is a compare
4921 against a constant, try to adjust the compare to have the desired
4922 constant in it so that min/max optimizations happen more often.
4924 Fri Jul 27 17:53:00 CEST 2001 Jan Hubicka <jh@suse.cz>
4926 * flow.c (last_loop_beg_note): New function.
4927 (redirect_edge_and_branch): Use it.
4928 (split_edge): Likewise.
4930 * alias.c (loop_p): Avoid uninitialized memory access.
4932 * flow.c (try_forward_edges): Avoid accessing freed memory.
4934 * flow.c (backward_edge_of_syntactic_loop_p): Avoid uninitialized
4937 2001-07-26 Andrew Haley <aph@redhat.com>
4938 Joern Rennecke <amylaar@redhat.com>
4940 * config/sh/linux.h (CPP_DEFAULT_CPU_SPEC): New.
4941 (SUBTARGET_CPP_ENDIAN_SPEC): New.
4942 (SUBTARGET_CPP_SPEC): New.
4944 * config/sh/sh.h (SUBTARGET_CPP_ENDIAN_SPEC): New.
4945 (SUBTARGET_CPP_PTR_SPEC): New.
4946 (CPP_DEFAULT_CPU_SPEC): New.
4947 (EXTRA_SPECS): Add SUBTARGET_CPP_ENDIAN_SPEC,
4948 SUBTARGET_CPP_PTR_SPEC, and CPP_DEFAULT_CPU_SPEC.
4949 (CPP_SPEC): Break out parts into SUBTARGET_CPP_ENDIAN_SPEC,
4950 SUBTARGET_CPP_PTR_SPEC, and CPP_DEFAULT_CPU_SPEC.
4951 (SUBTARGET_CPP_SPEC): Define as an empty string.
4953 2001-07-27 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4955 * doc/install.texi (Configuration): Properly link the host
4956 specific instructions also when generating HTML.
4958 Fri Jul 27 00:33:35 EDT 2001 John Wehle (john@feith.com)
4960 * flow.c (redirect_edge_and_branch_force): Test
4961 target->global_live_at_start.
4963 2001-07-26 Richard Henderson <rth@redhat.com>
4965 * simplify-rtx.c (avoid_constant_pool_reference): Export.
4966 * rtl.h (avoid_constant_pool_reference): Declare it.
4967 * dwarf2out.c (add_location_or_const_value_attribute): Use it.
4968 (add_const_value_attribute): Use add_AT_unsigned for unsigned values.
4970 Thu Jul 26 22:30:22 CEST 2001 Jan Hubicka <jh@suse.cz>
4972 * rtl.h (cleanup_barriers): Declare.
4973 * jump.c (cleanup_barriers): New function.
4974 * toplev.c (rest_of_compilation): Call cleanup_barriers
4975 before loop optimizer and after bb_reorder.
4977 * flow.c (back_edge_of_syntactic_loop_p): New.
4978 (split_edge): Use it.
4980 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4982 * glimits.h (_MACH_MACHLIMITS_H_): Delete.
4984 Thu Jul 26 22:22:21 2001 Denis Chertykov <denisc@overta.ru>
4986 * cse.c (cse_process_notes): Replace any registers if the address
4989 Thu Jul 26 14:04:03 EDT 2001 John Wehle (john@feith.com)
4991 * basic-block.h (PROP_ALLOW_CFG_CHANGES): Define.
4992 (PROP_FINAL): Include PROP_ALLOW_CFG_CHANGES.
4993 (propagate_block): Update prototype.
4994 * flow.c (update_life_info): Simplify the CFG and
4995 recalculate the global regs which are alive when
4996 removing dead code during a global update.
4997 (propagate_block): Return non-zero if an INSN is
5000 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5002 * Makefile.in (LIBICONV): Define.
5004 2001-07-26 Catherine Moore <clm@redhat.com>
5006 * config/v850/v850.h (ENCODE_SECTION_INFO): Change order
5007 of conditional to avoid tree checking errors.
5009 2001-07-26 Kazu Hirata <kazu@hxi.com>
5011 * regmove.c (regmove_optimize): Don't replace a reg with
5012 another reg of a different mode.
5014 2001-07-26 Andrew MacLeod <amacleod@redhat.com>
5016 * params.def (PARAM_MAX_PENDING_LIST_LENGTH): Add parameter to
5017 limit length of dependancy flush list.
5018 * params.h (MAX_PENDING_LIST_LENGTH): Define.
5019 * sched-int.h (struct deps): Add pending_flush_length field.
5020 * sched-deps.c (flush_pending_lists): Last_pending_memory_flush now
5021 has 1 element in it.
5022 (sched_analyze_1): Use MAX_PENDING_LIST_LENGTH.
5023 (sched_analyze): After a jump, if the pending memory flush list is too
5024 large, flush the pending lists.
5025 (init_deps): Initialize pending_flush_length to 0.
5026 * doc/invoke.texi (max_pending_list_length): Document parameter.
5028 2001-07-26 Neil Booth <neil@daikokuya.demon.co.uk>
5030 * toplev.c, varasm.c, final.c: Include xcoffout.h if appropriate.
5031 * dbxout.c (dbxout_global_decl): Move outside #ifdef.
5032 * Makefile.in (varasm.o, final.o, toplev.o): Update dependencies.
5034 2001-07-26 Neil Booth <neil@cat.daikokuya.demon.co.uk>
5036 * cpphash.h (struct_lexer_state): Delete was_skipping.
5037 Move skipping here from struct cpp_reader.
5038 * cpplex.c (parse_identifier): Update.
5039 (_cpp_lex_token): Don't skip tokens in a directive.
5040 * cpplib.c (struct if_stack): Update.
5041 (start_directive, end_directive): Don't change skipping state.
5042 (_cpp_handle_directive): Update.
5043 (do_ifdef, do_ifndef, do_if, do_elif): Similarly.
5044 (do_else, do_endif): Update; only check for excess tokens if not
5045 in a skipped conditional block.
5046 (push_conditional): Update for new struct if_stack.
5048 2001-07-26 Graham Stott <grahams@redhat.com>
5050 * function.c (locate_and_pad_parm): Also pad initial offset
5051 so that the total argument size also includes the padding.
5053 2001-07-26 Graham Stott <grahams@redhat.com>
5055 * gensupport.c (alter_output_for_insn): Correct enable checking failure
5056 change XSTR to XTMPL.
5058 (process_one_cond_exec): Likewise
5060 2001-07-25 Richard Henderson <rth@redhat.com>
5062 * varasm.c (assemble_variable): Create DECL_RTL before setting
5065 Thu Jul 26 00:19:30 CEST 2001 Jan Hubicka <jh@suse.cz>
5067 * predict.c (estimate_probability): Avoid duplicated predictions.
5069 * loop.c (find_and_verify_loops): Grok multiple barriers.
5071 Wed Jul 25 18:00:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5073 * config/alpha/alpha.c (print_operand, case '/'): Don't write '/'.
5075 * dbxout.c: Consistently use putc instead of fputc.
5076 (print_wide_int): New function; call instead of direct fprintf.
5077 (dbxout_type_index): Adjust calls of CHARS to be more accurate.
5078 (dbxout_type_fields, dbxout_type_method_1): Likewise.
5079 (dbxout_type_methods, dbxout_range_type, dbxout_type): Likewise.
5080 (print_int_cst_octal): Likewise.
5081 (print_octal): Show we wrote characters.
5082 (dbxout_type): Set have_used_extensions in more places.
5084 2001-07-25 Catherine Moore <clm@redhat.com>
5086 * config/v850/v850.c (v850_va_arg): Use addr
5087 instead of valist to build incr.
5089 Wed Jul 25 22:48:59 CEST 2001 Jan Hubicka <jh@suse.cz>
5091 * flow.c (delete_dead_jumptables): New function.
5092 (life_analyzis): Call it.
5093 * bb-reorder.c (skip_insns_after_block): Handle contradictory
5096 2001-07-25 Richard Henderson <rth@redhat.com>
5098 * except.c (reachable_handlers): Handle a region being removed
5099 out from under a RESX.
5101 2001-07-25 Richard Henderson <rth@redhat.com>
5103 * config/alpha/alpha.c (alpha_emit_conditional_move): Always
5104 swap GE/GT if it is an fp comparison.
5106 2001-07-25 Andrew Haley <aph@cambridge.redhat.com>
5108 * alias.c (rtx_equal_for_memref_p): Allow strings as types in
5111 Wed Jul 25 08:25:01 2001 Jeffrey A Law (law@cygnus.com)
5113 * ssa.c (rename_insn_1): Do not wrap an assignment to a
5114 paradoxical SUBREG inside a SEQUENCE. Fix minor formatting
5117 * ssa-ccp.c (visit_expression): Handle CALL_INSNs that can
5119 (visit_expression): When attempting to simplify an expression,
5120 retrieve any modes for arguments before they are simplified
5123 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
5124 Janis Johnson <janis@us.ibm.com>
5126 * stmt.c (expand_goto): A nonlocal goto can be a call too.
5127 * builtins.c (expand_builtin_longjmp): Reverse label and static chain
5128 pointer parameters to match documented usage of nonlocal_goto.
5129 * config/ia64/ia64.md (nonlocal_goto): Revert label and static chain
5130 parameters to their correct order.
5131 * config/sparc/sparc.md (nonlocal_goto): Revert label and static chain
5132 parameters to their correct order.
5134 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
5136 * config/ia64/ia64.h (STRIP_NAME_ENCODING): Strip out '*' as well.
5138 2001-07-25 Jan Hubicka <jh@suse.cz>
5139 Richard Henderson <rth@redhat.com>
5141 * flow.c (find_sub_basic_blocks): Fix handling of the last BB in
5143 (make_edges): New argument update_p; populate the edge cache if set.
5144 (find_basic_blocks): Update make_edges invocation.
5146 2001-07-24 Joel Sherrill <joel@OARcorp.com>
5148 * config/i960/i960.h (CPP_SPEC): Define _SOFT_FLOAT for -msoft-float.
5150 2001-07-24 Joel Sherrill <joel@OARcorp.com>
5152 * config/sparc/rtems.h (CPP_PREDEFINES): Remove redundant
5153 -Acpu and -Amachine.h.
5154 * config/sparc/rtemself.h (CPP_PREDEFINES): Likewise.
5155 Corrected header to say ELF not a.out.
5156 * config/sparc/sparc.h (CPP_CPU_SPEC): Define _SOFT_FLOAT
5157 when given -msoft-float.
5159 2001-07-24 Joel Sherrill <joel@OARcorp.com>
5161 * config.gcc (arm*-*-rtems*): Include crtinit.o and crtfini.o as
5162 extra multilib parts like arm-elf.
5163 (i960-*-coff*, i960-*-rtems): Should not use collect2.
5164 (m68020-*-elf*, m68k-*-elf*, m68k-*-rtems*): Include crtinit.o and
5165 crtfini.o as extra multilib parts.
5167 2001-07-24 Joel Sherrill <joel@OARcorp.com>
5169 * configure.in: Add rtems as a supported thread model.
5170 * gthr-rtems.h: Add missing entry point __gthread_active_p.
5171 * configure: Rebuilt.
5173 2001-07-24 Lars Brinkhoff <lars@nocrew.org>
5175 * stor-layout.c (get_mode_alignment): make it work when
5176 BITS_PER_UNIT is not a power of two.
5177 * builtins.c (get_pointer_alignment): Likewise.
5179 2001-07-24 Richard Henderson <rth@redhat.com>
5181 * simplify-rtx.c (avoid_constant_pool_reference): Coerce
5182 the retrieved constant into the expected mode.
5184 Wed Jul 25 01:41:27 CEST 2001 Jan Hubicka <jh@suse.cz>
5186 * flow.c (try_simplify_condjump): Avoid duplicated edges.
5187 (verify_flow_info): Check for duplicated edges; clarify
5190 * flow.c (block_label): Update basic_block_for_insn.
5191 (commit_edge_insertions): Call compute_bb_for_insn.
5193 * flow.c (purge_dead_edges): Handle conditional jumps and conditional
5196 * flow.c (redirect_edge_and_branch,
5197 try_optimize_cfg): Use redirect_edge_succ_nodup
5198 (redirect_edge_succ_nodup): New.
5199 * basic_block.h (redirect_edge_succ_nodup): Declare.
5201 * toplev.c (rest_of_compilation): Rebuild CFG before cfg_cleanup
5204 Wed Jul 25 00:32:49 CEST 2001 Jan Hubicka <jh@suse.cz>
5206 * flow.c (try_forward_edges): Accept fallthru edge; Update comment.
5207 (try_crossjump_to_edge): Update commetns.
5208 (try_crossjump_bb): Likewise.
5210 2001-07-24 Richard Henderson <rth@redhat.com>
5212 * combine.c (distribute_notes): Move set of need_refresh
5213 for noop_move_p down to catch all cases.
5215 Tue Jul 24 20:32:44 CEST 2001 Jan Hubicka <jh@suse.cz>
5217 * recog.c (split_all_insns_noflow): New.
5218 * rtl.h (split_all_insns_noflow): Declare.
5219 * ia64.c (ia64_reorg): Use split_all_insns_noflow.
5220 * m68hc11.c (m68hc11_reorg): Likewise.
5221 * sh.c (machine_dependent_reorg): Likewise.
5222 * toplev.c (rest_of_compilation): Likewise for last split_all_insns
5225 2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
5227 * config/sh/sh.md (ashlsi3_std splitter): Split only after reload.
5228 (ashlsi3_n splitter): Likewise.
5229 (lshrsi3_n splitter): Likewise.
5231 (GOTaddr2picreg): Make const SImode.
5232 (sym_label2reg): Likewise.
5233 (symGOT2reg): Likewise.
5234 (symGOTOFF2reg) Likewise.
5236 (casesi_worker_0): Make unspec SImode.
5238 2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
5240 * config/sh/sh.c (barrier_align): Check that an operand really is
5241 an insn before extracting its INSN_CODE.
5243 2001-07-24 Andrew Haley <aph@cambridge.redhat.com>
5245 * config/sh/sh.h (OVERRIDE_OPTIONS): Add braces to get rid of
5248 * config/sh/sh.h (INITIALIZE_TRAMPOLINE): Truncate operands
5249 for SImode to prevent overflow.
5251 2001-07-24 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5253 * config/mips/irix6-libc-compat.c: New file.
5254 * config/mips/t-iris6 (LIB2FUNCS_STATIC_EXTRA): Use it.
5255 * doc/install.texi (Specific, mips*-sgi-irix6): Mention structure
5258 2001-07-24 lars brinkhoff <lars@nocrew.org>
5260 * rtl.texi (REG_POINTER): Document.
5261 (Machine Modes): Document BImode, OImode, PQImode, PHImode,
5262 QFmode, HFmode, TQFmode, QCmode, and HCmode.
5264 Tue Jul 24 10:49:40 CEST 2001 Jan Hubicka <jh@suse.cz>
5266 * flow.c (delete_noop_moves): Do not confuse libcall regions.
5268 2001-07-23 Richard Henderson <rth@redhat.com>
5270 * flow.c (try_simplify_condjump): Use tidy_fallthru_edge.
5272 2001-07-23 Kazu Hirata <kazu@hxi.com>
5274 * config/h8300/h8300-protos.h: Add a prototype for
5275 general_operand_dst_push.
5276 * config/h8300/h8300.c (general_operand_dst_push): New.
5277 * config/h8300/h8300.h (OK_FOR_T): New.
5278 (EXTRA_CONSTRAINT): Use it.
5279 * config/h8300/h8300.md (movqi_push): Remove and integrate into
5280 the existing movqi pattern.
5281 (movhi_push): Likewise.
5283 * reload.c: Fix comment typos.
5285 Mon Jul 23 23:34:07 CEST 2001 Jan Hubicka <jh@suse.cz>
5287 * gcse.c (cprop_insn): Update call of cprop_cc0_jump.
5289 2001-07-23 H.J. Lu (hjl@gnu.org)
5291 * doc/extend.texi: Update __builtin_return_address and
5292 __builtin_frame_address.
5294 2001-07-23 Richard Henderson <rth@redhat.com>
5296 * config/i386/i386.c (ix86_expand_setcc): Don't use method 0
5298 * config/i386/i386.md: New setcc+movzbl peephole2.
5300 2001-07-23 Neil Booth <neil@cat.daikokuya.demon.co.uk>
5302 * objc/Make-lang.in (objc-act.o): Depend on debug.h.
5303 * objc/objc-act.c: Include debug.h.
5304 (synth_module_prologue): Save and restore debug hooks too.
5306 2001-07-23 lars brinkhoff <lars@nocrew.org>
5308 * tm.texi (TARGET_FLOAT_FORMAT): Document IBM_FLOAT_FORMAT
5309 and C4X_FLOAT_FORMAT.
5310 (BOOL_TYPE_SIZE): Document.
5312 Mon Jul 23 11:54:23 2001 Clinton Popetz <cpopetz@cpopetz.com>
5314 * unroll.c (loop_iterations): Fix miscalculation of initial
5317 2001-07-13 Andrew Haley <aph@redhat.com>
5319 * doc/tm.texi (MD_CAN_REDIRECT_BRANCH): New macro.
5320 * config/sh/sh.h (MD_CAN_REDIRECT_BRANCH): New macro.
5321 * config/sh/sh.c (sh_can_redirect_branch): New function.
5322 * config/sh/sh-protos.h (sh_can_redirect_branch): Declare.
5323 * reorg.c (steal_delay_list_from_target): Use
5324 MD_CAN_REDIRECT_BRANCH to see if redirection is possible.
5326 Mon Jul 23 17:20:18 CEST 2001 Jan Hubicka <jh@suse.cz>
5328 * flow.c (try_simplify_condjump): Unlink insn chain on
5329 fallthru edge; use can_fallthru.
5331 Mon Jul 23 16:03:19 CEST 2001 Jan Hubicka <jh@suse.cz>
5333 * basic-block.h (find_sub_basic_block): Declare.
5334 * flow.c (make_edges): New arguments MIN and MAX;
5335 (find_sub_basic_blocks): Revamp to use make_edges
5336 and purge_dead_edges.
5337 (find_basic_blocks): Update call of find_sub_basic_block.
5339 * recog.c (split_all_insns): Always expect CFG to be consistent;
5340 call find_sub_basic_blocks in case something has changed.
5341 * toplev.c (rest_of_compilation): Always call split_all_insns once CFG
5344 * basic-block.h (delete_noop_moves): Declare.
5345 * combine.c (combine_instructions): Call it.
5346 (recog_for_combine): Tolerate noop moves
5347 (distribute_notes): Force refresh when register dies at noop move.
5348 * flow.c (delete_noop_moves): Use BB structure; delete JUMP insns
5350 (life_analysis): Update delete_noop_moves call.
5351 (set_noop_p): Move too ...
5352 * rtlanal.c (noop_move_p): ... here.
5353 * rtl.h (noop_move_p): Declare.
5355 * basic-block.h (purge_all_dead_edges, purge_dead_edges): New functions.
5356 * toplev.c (rest_of_compilation): Conditionally call purge_all_dead_edges
5358 * gcse.c (cprop_cc0_jump, cprop_insn): New argument "basic_block".
5359 (cprop_jump): Likewise; call purge_dead_edges if substitution suceeded.
5361 2001-07-23 Hans-Peter Nilsson <hp@bitrange.com>
5363 * reload.c (push_reload): Fix typo in comment.
5364 (find_reloads_address): Ditto.
5365 (reg_overlap_mentioned_for_reload_p): Ditto in head comment.
5367 2001-07-22 Richard Henderson <rth@redhat.com>
5369 * flow.c: Grammar check and clarify a lot of comments.
5370 (try_simplify_condjump): Rename variables to be clearer.
5371 (try_forward_edges): Skip complex and fallthru edges.
5372 Rearrange tests to avoid duplicate checks.
5373 (flow_find_cross_jump): Likewise.
5374 (outgoing_edges_match): Allow match if neither branch has
5375 probability data. Loosen probability match to 5%.
5376 (try_crossjump_to_edge): Hoist repeated indirection into
5378 (try_crossjump_bb): Don't check complex edges. Eliminate
5379 redundant crossjump tests.
5380 (try_optimize_cfg): Fix use of bool. Reorganize cheaper
5381 checks before more expensive checks.
5383 2001-07-22 Richard Henderson <rth@redhat.com>
5385 * fold-const.c (fold): Test vs FLOAT_TYPE_P instead of
5386 INTEGRAL_TYPE_P when folding comparisons with operand_equal_p
5389 2001-07-22 Richard Henderson <rth@redhat.com>
5391 * m68k.c (const_uint32_operand): Abort if mode is <= 32 bits.
5392 (const_sint32_operand): Likewise.
5393 * m68k.md (anon mulsi pattern): Use const_int_operand not
5394 const_sint32_operand.
5395 (umulsi3_highpart): Zero extend a constant input.
5396 (smulsi3_highpart): Don't bother checking SImode constant.
5397 (const_umulsi3_highpart): Give op3 DImode.
5398 (const_smulsi3_highpart): Likewise.
5400 2001-07-22 Richard Henderson <rth@redhat.com>
5402 * flow.c (split_block): Make sure bb_note is included in the
5403 new block when splitting before a label.
5405 Sun Jul 22 23:28:56 CEST 2001 Jan Hubicka <jh@suse.cz>
5407 * basic-block.h (redirect_edge_and_branch_force,
5408 redirect_edge_and_branch, block_label, forwarder_block_p): Declare.
5409 * flow.c (redirect_edge_and_branch_force,
5410 redirect_edge_and_branch, block_label, forwarder_block_p): Make global.
5411 (redirect_edge_and_branch_force): Fix copying of lifeness information.
5412 (block_label): Handle EXIT_BLOCK_PTR by returning NULL.
5413 * ifcvt.c (dead_or_predictable): Take BB as an new destionation
5414 instead of label; update CFG after transformation.
5415 (find_if_case_1): Update call, use redirect_edge_and_branch_force
5416 for finishing the transformation; handle even case where ELSE
5417 does not follow THEN.
5418 (find_if_case_2): Update call of dead_or_predictable; simplify
5421 * emit-rtl.c (split_branch_probability): New global variable.
5422 (try_split): Take care to set split_branch_probability and
5423 create REG_BR_PROB note for new jump insns.
5424 * md.texi (define_split): Document new feature.
5426 * i386.c (ix86_split_fp_branch): Redistribute branch probability notes.
5428 2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
5430 * varasm.c: Don't inlcude dbxout.h, sdbout.h or xcoffout.h.
5431 (asm_out_file): Remove redundant declaration.
5432 (assemble_asm): Remove old #if 0 block.
5433 (assemble_variable): Remove end of function; debug output is
5434 now handled with global_decl. Remove old #if 0 block. Update.
5435 Remove saved_in_section and associated no-op code.
5436 * Makefile.in (varasm.o): Correct dependencies.
5438 Sun Jul 22 17:55:11 2001 Alexandre Oliva <aoliva@redhat.com>
5440 * config/i386/freebsd-aout.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
5441 the definition in defaults.h.
5443 Sun Jul 22 21:31:04 CEST 2001 Jan Hubicka <jh@suse.cz>
5445 * jump.c: Update comments.
5446 (delete_barrier_successors, delete_unreferenced_labels,
5447 delete_noop_moves, tension_vector_labels, delete_from_jump_chain,
5448 delete_labelref_insn, redirect_tablejump, jump_optimize_1,
5449 jump_optimize, jump_optimize_minimal): Kill.
5450 (rebuild_jump_labels): Move code from jump_optimize_1.
5451 (purge_line_number_notes): Likewise.
5452 (copy_loop_headers): Likewise.
5453 * reg-stack.c: Update comment.
5455 * rtl.h (jump_optimize, jump_optimize_1, JUMP_NOOP_MOVES,
5456 JUMP_AFTER_REGSCAN): Kill.
5457 * toplev.c (rest_of_compilation): Use cleanup_cfg, call
5458 purge_line_number_notes and copy_loop_headers.
5460 2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
5461 Richard Henderson <rth@redhat.com>
5463 * dbxout.c (dbxout_global_decl): New.
5464 (xcoff_debug_hooks, dbx_debug_hooks): Use it.
5465 * sdbout.c (sdbout_finish): New.
5466 (sdbout_debug_hooks): Use it, add comments.
5467 (sdbout_global_decl): Defer initialised public vars to
5469 * varasm.c (assemble_variable): Don't output debug information
5470 for file-scope variables.
5472 2001-07-22 Richard Henderson <rth@redhat.com>
5474 * config/alpha/alpha.c (get_trap_mode_suffix): New.
5475 (get_round_mode_suffix): New.
5476 (print_operand): Use them for [/]. Remove support for [&'`()+].
5477 * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Update.
5478 * config/alpha/alpha.md (attr round_suffix): New.
5479 (attr trap_suffix): New.
5480 (all insns): Set them appropriately. Use %/ instead of the
5483 2001-07-22 Neil Booth <neil@cat.daikokuya.demon.co.uk>
5485 * dbxout.c, sdbout.c, varasm.c: Revert most recent debug patch.
5487 2001-07-22 Richard Henderson <rth@redhat.com>
5489 * regrename.c (regrename_optimize): Compute nregs for each
5490 potential target register.
5492 2001-07-21 Neil Booth <neil@daikokuya.demon.co.uk>
5493 Richard Henderson <rth@redhat.com>
5495 * dbxout.c (dbxout_global_decl): New.
5496 (xcoff_debug_hooks, dbx_debug_hooks): Use it.
5497 * sdbout.c (sdbout_finish): New.
5498 (sdbout_debug_hooks): Use it, add comments.
5499 (sdbout_global_decl): Defer initialised public vars to
5501 * varasm.c (assemble_variable): Don't output debug information
5502 for file-scope variables.
5504 2001-07-21 H.J. Lu (hjl@gnu.org)
5506 * config/mips/mips.c (mips_cpu): Moved into ...
5507 (override_options): Here.
5509 * config/mips/mips.h (mips_cpu_attr): Replace mips_cpu with
5511 (mips_cpu): Removed.
5513 2001-07-21 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5515 * config/m68hc11/m68hc11.md ("andqi3"): Accept d as second operand.
5516 ("iorqi3"): Likewise.
5517 ("xorqi3"): Likewise.
5518 ("*addhi3"): Fix constraint to avoid reloading in a soft register.
5519 ("*subhi3_sp): Likewise.
5520 ("*subhi3"): Likewise.
5521 ("extendhisi2"): Accept D, X and Y as source operand to avoid
5524 2001-07-21 Nathan Sidwell <nathan@codesourcery.com>
5526 * doc/tm.texi: Remove DEFAULT_VTABLE_THUNKS.
5527 * config/freebsd.h: Likewise.
5528 * config/linux.h: Likewise.
5529 * config/openbsd.h: Likewise.
5530 * config/alpha/linux-elf.h: Likewise.
5531 * config/arm/linux-elf.h: Likewise.
5532 * config/d30v/d30v.h: Likewise.
5533 * config/fr30/fr30.h: Likewise.
5534 * config/ia64/aix.h: Likewise.
5535 * config/ia64/ia64.h: Likewise.
5536 * config/mips/linux.h: Likewise.
5537 * config/pj/pj.h: Likewise.
5538 * config/rs6000/linux.h: Likewise.
5539 * config/sparc/linux.h: Likewise.
5540 * config/sparc/linux64.h: Likewise.
5542 2001-07-20 Bruce Korb <bkorb@gnu.org>
5544 * fixinc/fixincl.c(test_for_changes): force unsigned char comparisons
5545 because getc() and char* may disagree on signedness.
5547 2001-07-20 Richard Henderson <rth@redhat.com>
5549 * doc/rtl.texi (REG_DEAD): Update for current semantics.
5551 * flow.c (try_redirect_by_replacing_jump): Correctly compute which
5552 insns to delete in the presence of cc0 in a jump insn.
5554 Fri Jul 20 22:14:49 CEST 2001 Roman Zippel <zippel@linux-m68k.org>
5555 Jan Hubicka <jh@suse.cz>
5557 * m68k.md (zero_extend?i?i2 expander): Use gen_lowpart instead
5558 of doing the change by hand.
5560 Fri Jul 20 21:59:42 CEST 2001 Jan Hubicka <jh@suse.cz>
5562 * rtlanal.c (set_noop_p): Return true for noop jumps.
5564 * expr.c (emit_single_push_insn): Add call to push expander.
5565 * expr.h (optab_index): Add OTI_push
5566 (push_optab): New constant.
5567 * genopinit.c (optabs): Add push_optab.
5568 * optabs.c (init_optab): Init push optab.
5569 * md.texi (push??1): Document
5571 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5573 * config/m68hc11/m68hc11.md ("movdi", "movdi_internal"): Use an
5574 expand to emit the pattern; put a REG_INC note for push/pop
5576 ("movdf", "movdf_internal"): Likewise.
5577 ("movsi", "movsi_internal"): Likewise.
5578 ("movsf", "movsf_internal"): Likewise.
5579 ("movhi", "movqi"): Emit a REG_INC note for push/pop instructions.
5581 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5583 * config/m68hc11/m68hc11.c (m68hc11_gen_highpart): Don't use
5586 2001-07-20 Daniel Berlin <dan@cgsoftware.com>
5588 * params.def: Change default max inline insns to 100.
5590 2001-07-20 Diego Novillo <dnovillo@redhat.com>
5592 * combine.c (combine_simplify_rtx): Generate a new shift operation
5593 when simplifying the first operand of a (neg (ashift)) expression.
5595 2001-07-20 Roman Lechtchinsky <rl@cs.tu-berlin.de>
5597 * regclass.c (N_REG_INTS): Use only 32 bits per element.
5599 2001-07-20 Kelley Cook <kelley.cook@home.com>
5601 * doc/install.texi (sparc-sun-solaris*): Add in 4.x assembler bug
5602 information. Move rest into ...
5603 (*-*-solaris): ... here. Eliminate redundant information and
5604 reword necessary packages section. Delete 4.x assembler bug info.
5605 (sparc-sun-*): Merge into ...
5606 (sparc-sun-sunos*): here.
5608 2001-07-20 Catherine Moore <clm@redhat.com>
5610 * config/v850/v850.md (casesi): Generate LABEL_REF
5613 Fri Jul 20 14:12:57 CEST 2001 Jan Hubicka <jh@suse.cz>
5615 * i386-protos.h (ix86_zero_extend_to_Pmode): Declare.
5616 * i386.c (ix86_zero_extend_to_Pmode): Make global.
5617 * i386.md (strclrsi expander): Use it.
5619 Fri Jul 20 13:24:16 CEST 2001 Jan Hubicka <jh@suse.cz>
5621 * integrate.c (copy_insn_list): handle
5622 NOTE_INSN_DELETED_LABEL, as if it were CODE_LABEL.
5623 (copy_rtx_and_substitute): Likewise; behave to NOTE_INSN_DELETED_LABEL
5624 identically as to CODE_LABEL.
5626 * fold-const (fold): Convert A/B/C to A/(B*C) and
5629 * except.c (connect_post_landing_pads): Delete the RESX insns.
5631 2001-07-20 Aldy Hernandez <aldyh@redhat.com>
5633 * config/mips/mips.h (ISA_HAS_NMADD_NMSUB): New macro.
5635 * config/mips/mips.md (nmadd/nmsub): Use macro.
5637 2001-07-20 Nathan Sidwell <nathan@codesourcery.com>
5639 * cppinit.c (remove_dup_dir): Make static.
5640 (remove_dup_dirs): Make static. Only warn about preempting a
5641 system directory with a non-system directory.
5643 2001-07-19 Geoffrey Keating <geoffk@redhat.com>
5645 * ifcvt.c (noce_try_store_flag_constants): Correct order
5646 of parameters to trunc_int_for_mode.
5648 2001-07-19 Mark Mitchell <mark@codesourcery.com>
5650 * reorg.c (fill_simple_delay_slots): If an instruction might throw
5651 an exception that will be caught within this function, do not fill
5652 its delay slot with any subsequent instruction.
5654 2001-07-19 Steve Ellcey <sje@cup.hp.com>
5656 * tm.texi (POINTERS_EXTEND_UNSIGNED) Modify definition.
5657 * optabs.c (can_extend_p) Check HAVE_ptr_extend for a specialized
5658 pointer extension instruction.
5659 * combine.c (nonzero_bits,num_sign_bit_copies) Likewise.
5660 * simplify-rtx.c (simplify_unary_operation) Likewise.
5661 * explow.c (convert_memory_address) Check value of
5662 POINTERS_EXTEND_UNSIGNED to avoid some conversions when
5664 * config/ia64/t-hpux (LIBGCC, INSTALL_LIBGCC, MULTILIB_OPTIONS,
5665 MULTILIB_DIRNAMES, MULTILIB_MATCHES) Add multilib support.
5666 * config/ia64/hpux.h (CPP_SPEC, ASM_SPEC, SUBTARGET_SWITCHES)
5667 Add Multilib Support.
5668 (POINTERS_EXTEND_UNSIGNED) Define for ILP32 support.
5669 * config/ia64/ia64.h (MASK_ILP32, TARGET_ILP32, SUBTARGET_SWITCHES)
5670 Add Multilib Support.
5671 (POINTER_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE) Modify for ILP32
5673 * config/ia64/ia64.c (rtx_needs_barrier) Add support for addp4.
5674 * config/ia64/ia64.md (ptr_extend) New instruction to "swizzle"
5675 a 32 bit HP-UX pointer into a 64 bit HP-UX pointer.
5677 2001-07-19 Alexandre Oliva <aoliva@redhat.com>
5679 * simplify-rtx.c (simplify_replace_rtx): Try to obtain mode from
5680 old and new operands in `<', `3' and `b'.
5682 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
5684 * Makefile.in (emit-rtl.o, c-decl.o): Depend on debug.h.
5685 (final.o): Don't depend on xcoffout.h, dbxout.h or sdbout.h.
5686 (toplev.o): Don't depend on xcoffout.h.
5687 * c-decl.c: Include debug.h
5688 (duplicate_decls): Use debug hook.
5689 * dbxout.c (dbxout_source_file, dbxout_args): Make static.
5690 (dbx_debug_hooks, xcoff_debug_hooks): Update.
5691 (dbxout_types): Remove.
5692 * dbxout.h (dbxout_source_file, dbxout_types, dbxout_args): Remove.
5693 * debug.c (do_nothing_debug_hooks): Update.
5694 (debug_true_tree, debug_nothing_rtx): New.
5695 * debug.h (struct rtx_def): New.
5696 (struct gcc_debug_hooks): New hooks ignore_block,
5697 outlining_inline_function and label.
5698 (debug_true_tree, debug_nothing_rtx, dwarf2out_frame_init,
5699 dwarf2out_frame_finish): New.
5700 * dwarf2out.c (dwarf2out_ignore_block, dwarf2out_abstract_function):
5701 Make static, update prototype.
5702 (dwarf2_debug_hooks): Update.
5703 * dwarf2out.h (dwarf2out_ignore_block, dwarf2out_abstract_function,
5704 dwarf2out_frame_init, dwarf2out_frame_finish): Remove.
5705 * dwarfout.c (dwarf_debug_hooks): Update.
5706 * emit-rtl.c: Include debug.h.
5707 (remove_unnecessary_notes): Use debug hook.
5708 * final.c: Don't include dbxout.h, xcoffout.h or sdbout.h.
5709 (final_scan_insn): Use debug hook.
5710 * integrate.c (output_inline_function): Use debug hook.
5711 * sdbout.c (sdbout_toplevel_data, sdbout_label): Make static.
5712 (sdb_debug_hooks): Update.
5713 * sdbout.h (sdbout_label, sdbout_toplevel_data): Remove.
5714 * toplev.c: Don't include xcoffout.h.
5715 (note_outlining_of_inline_function, debug_ignore_block): Remove.
5716 * toplev.h (note_outlining_of_inline_function, debug_ignore_block):
5718 * tree.h (dwarf2out_do_frame): Remove.
5720 2001-07-19 Catherine Moore <clm@cygnus.com>
5722 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Restore.
5724 2001-07-19 Geoffrey Keating <geoffk@redhat.com>
5726 * reload1.c (eliminate_regs_in_insn): When updating a set
5727 to the frame pointer to the hardware frame pointer, perform
5728 the update always not just when REPLACE is set.
5730 * reload1.c (choose_reload_regs): Don't inherit a reload
5731 that crosses multiple registers if registers past the first
5732 don't fit in the desired class.
5734 * ifcvt.c (noce_try_store_flag_constants): Use trunc_int_for_mode
5735 when negating constants.
5737 2001-07-19 Toon Moene <toon@moene.indiv.nluug.nl>
5739 * tree.def: Document restriction on {L|R}SHIFT_EXPR's second argument.
5740 * doc/tree.texi: Ditto.
5742 2001-07-19 Mark Kettenis <kettenis@wins.uva.nl>
5743 Jakub Jelinek <jakub@redhat.com>
5745 * unwind-dw2.c (_Unwind_FrameState): Add eh_ptr.
5746 (extract_cie_info): Handle "eh" augmentation properly,
5748 (struct frame_state, __frame_state_for): New.
5750 2001-07-19 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5752 * config/alpha/osf.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL,
5753 HANDLE_SYSV_PRAGMA): Define.
5754 * mips-tfile.c (add_ext_symbol): Pass complete symbol ptr, inline
5756 (copy_object): Caller changed.
5758 2001-07-19 Andreas Schwab <schwab@suse.de>
5760 * configure.in (assembler dwarf2 debug_line support): Define nop
5762 * configure: Regenerated.
5764 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
5766 * Makefile.in (toplev.o, dwarfout.o, final.o): Don't depend on
5768 * dbxout.c (dbxout_function): Rename dbxout_funciton_decl, move
5769 to conditionally compiled block.
5770 (dbx_debug_hooks, xcoff_debug_hooks): Update.
5771 * dbxout.h (dbxout_function): Remove.
5772 * debug.c (do_nothing_debug_hooks): Update.
5773 * debug.h (struct gcc_debug_hooks): New hooks function_decl,
5774 global_decl, deferred_inline_function.
5775 * dwarf2out.c (dwarf2_debug_hooks): Update.
5776 (dwarf2out_global_decl): New.
5777 * dwarfout.c: Don't include dwarfout.h.
5778 (dwarfout_global_decl, dwarfout_function_decl,
5779 dwarfout_deferred_inline_function): New.
5780 (dwarf_debug_hooks): Update.
5781 * dwarfout.h: Remove.
5782 * final.c: Don't include dwarfout.h.
5783 * sdbout.c (sdbout_global_decl): New.
5784 (sdbout_debug_hooks): Update.
5785 * toplev.c: Don't include dwarfout.h.
5786 (check_global_declarations, rest_of_compilation): Use new debug hooks.
5787 (note_deferral_of_defined_inline_function): Remove.
5788 * toplev.h (note_deferral_of_defined_inline_function): Remove.
5789 * ch/Makefile.in (lex.o): No dependence on dwarfout.h.
5790 * ch/lex.c: Don't include dwarfout.h.
5791 * cp/Make-lang.in (decl2.o): No dependence on dwarfout.h, dwarf2out.h.
5792 (semantics.o, optimize.o): Depend on debug.h not dwarfout.h.
5793 * cp/decl2.c: Don't include dwarfout.h and dwarf2out.h.
5794 * cp/optimize.c: Include debug.h.
5795 (maybe_clone_body): Use debug hook.
5796 * cp/semantics.c: Include debug.h.
5797 (expand_body): Use debug hook.
5798 * po/POTFILES.in: Remove dwarfout.h.
5800 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
5802 * c-lex.c (c_lex): Remove CPP_INT, CPP_FLOAT cases.
5803 * c-parse.in (yyerror, _yylex): Similarly.
5804 * cppexp.c (parse_number, parse_defined, lex, _cpp_parse_expr):
5805 Don't use CPP_INT, CPP_FLOAT; CPP_NUMBER is enough.
5807 * cpplib.h (CPP_INT, CPP_FLOAT): Remove.
5808 * cp/spew.c (read_token, yyerror): Remove CPP_INT, CPP_FLOAT cases.
5810 2001-07-18 Jeff Sturm <jsturm@one-point.com>
5812 * dwarf2out.c (dwarf2out_abstract_function): Don't emit
5813 in-class declaration at -g1. Fixes c++/2814.
5815 2001-07-18 Richard Henderson <rth@redhat.com>
5817 * doc/md.texi (reload_in/out): Document restrictions in predicates
5818 and constraints for these patterns. Document empty string matching
5821 2001-07-18 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5823 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Check for ASM_WEAKEN_LABEL.
5825 Wed Jul 18 20:47:36 CEST 2001 Jan Hubicka <jh@suse.cz>
5827 * cse.c: Undo my previous patch.
5829 2001-07-18 Tom Tromey <tromey@redhat.com>
5832 * configure: Rebuilt.
5833 * configure.in: Don't check for iconv.h or iconv(); use AM_ICONV
5835 * aclocal.m4 (AM_ICONV): New macro from Bruno Haible.
5837 Wed Jul 18 18:46:30 CEST 2001 Richard Henderson <rth@cygnus.com>
5838 Jan Hubicka <jh@suse.cz>
5840 * flow.c (redirect_edge_and_branch): Bail out on complex edges.
5841 (try_optimize_cfg): Do not remove tail recursive labels before sibcall.
5842 * jump.c (mark_jump_label): Do not forward branches.
5844 Wed Jul 18 18:35:01 CEST 2001 Jan Hubicka <jh@suse.cz>
5846 * cse.c (delete_trivially_dead_insns): Delete the libcall block
5847 when return value is unused.
5849 Wed Jul 18 18:28:16 CEST 2001 Jan Hubicka <jh@suse.cz>
5851 * gcse.c (pre_insert_copy_insn): Call update_ld_motion_stores.
5853 Wed Jul 18 12:05:29 2001 Nicola Pero <n.pero@mi.flashnet.it>
5855 * gthr-posix.h (__gthread_objc_mutex_trylock): Fixed return value
5856 on error. We can't blindly return the result of
5857 pthread_mutex_trylock because it returns a positive number on
5858 error, while we must return -1 on error.
5859 (__gthread_objc_mutex_lock, __gthread_objc_mutex_unlock): Similar
5861 Reported by Stephen Brandon <stephen@brandonitconsulting.co.uk>.
5863 2001-07-18 Andreas Jaeger <aj@suse.de>
5865 * integrate.c (output_inline_function): Correct type of debug_hooks.
5867 2001-07-18 Toon Moene <toon@moene.indiv.nluug.nl>
5869 * combine.c (combine_simplify_rtx): DIV can be treated
5870 associatively for floats if unsafe math optimisations are enabled.
5872 2001-07-17 Richard Henderson <rth@redhat.com>
5874 * reload.c (push_secondary_reload): Accept empty-string for ALL_REGS.
5876 2001-07-17 Richard Henderson <rth@redhat.com>
5878 * calls.c (prepare_call_address): New parameter SIBCALLP. If true,
5879 don't force the function address into a register.
5880 (expand_call, emit_library_call_value_1): Update callers.
5881 * builtins.c (expand_builtin_apply): Likewise.
5882 * expr.h (prepare_call_address): Update decl.
5884 2001-07-17 Chandrakala Chavva <cchavva@redhat.com>
5886 * config.gcc: For *-*-chorusos triplet, get chorus.h file from
5888 * config/i386/chorus.h: Move up.
5889 * config/sparc/chorus.h: Likewise.
5890 * config/rs6000/chorus.h: Likewise.
5891 * config/chorus.h: Moved here.
5893 2001-07-17 Andreas Schwab <schwab@suse.de>
5895 * configure.in (assembler eh_frame optimization): Handle big
5897 * configure: Regenerated.
5899 Tue Jul 17 23:43:31 CEST 2001 Jan Hubicka <jh@suse.cz>
5901 * expr.c (epxand_expr): Convert divisions into multiplications by
5902 reciprocals if -ffast-math.
5904 2001-07-17 Neil Booth <neil@daikokuya.demon.co.uk>
5906 * dbxout.c (dbxout_really_begin_function): Rename to
5907 dbxout_begin_function.
5908 (dbx_debug_hooks, xcoff_debug_hooks): Update.
5909 (dbxout_begin_function): Remove.
5910 (dbxout_function): Update.
5911 (dbxout_source_line): Update prototype.
5912 * dbxout.h (dbxout_begin_function): Remove.
5913 * debug.c (do_nothing_debug_hooks): Update.
5914 (debug_nothing_tree): Update.
5915 (debug_nothing_charstar_rtx): Remove.
5916 * debug.h (union tree_node): Declare.
5917 (struct rtx_def): Remove.
5918 (gcc_debug_hooks): New hooks begin_prologue, end_prologue,
5919 begin_function. Change source_line prototype.
5920 (debug_nothing_tree): New.
5921 (debug_nothing_charstar_rtx): Delete.
5922 (dwarf2out_begin_prologue): Moved from ...
5924 * dwarf2out.c (dwarf2_debug_hooks): Update.
5925 (dwarf2out_begin_prologue): Update prototype. If genuine dwarf2
5926 debug info, call dwarf2out_source_line.
5927 (dwarf2out_souce_line): Update prototype.
5928 * dwarfout.c (dwarfout_begin_function): Rename dwarfout_end_prologue.
5929 Change prototype, make static.
5930 (dwarfout_source_line): Update prototype.
5931 (dwarf_debug_hooks): Update.
5932 * dwarfout.h (dwarfout_begin_function): Remove.
5933 * final.c (final_start_function, final_scan_insn): Use appropriate
5934 debug hooks, update to use notice_source_line.
5935 (output_source_line): Rename notice_source_line. Don't call the
5936 source_line debug hook.
5937 * sdbout.c (sdbout_begin_function): Rename sdbout_begin_prologue,
5938 make static, update prototype.
5939 (sdbout_mark_begin_function): Rename sdbout_begin_function, update
5941 (sdbout_end_prologue): New.
5942 (sdbout_source_line): Update prototype.
5943 (sdbout_debug_hooks): Update.
5944 (sdbout_symbol): Remove unused var.
5945 * sdbout.h (sdbout_begin_function, sdbout_mark_begin_function):
5947 * varasm.c: Include debug.h.
5948 (assemble_start_function): Use begin_function debug_hook.
5949 * xcoffout.c (xcoffout_begin_prologue): Rename xcoffout_begin_function,
5950 update with prototype.
5951 (xcoffout_source_line): Update prototype.
5952 * xcoffout.h (xcoffout_begin_prologue): Rename xcoffout_begin_function,
5954 (xcoffout_source_line): Update prototype.
5956 2001-07-17 Richard Henderson <rth@redhat.com>
5958 * c-typeck.c (build_binary_op): Do not shorten unsigned
5959 right shift after sign extension.
5961 Tue Jul 17 16:56:05 CEST 2001 Jan Hubicka <jh@suse.cz>
5963 * combine.c (combine_simplify_rtx): Attempt to simplify
5964 a*(b/c) as (a*b)/c for floats in unsafe_math mode.
5966 * simplify-rtx.c (avoid_constatn_pool_reference): New static function.
5967 (simplify_binary_operation, simplify_unary_operation,
5968 simplify_relational_operation): Use it.
5970 * combine.c (combine_simplify_rtx): Don't do associative law
5971 on divisions; allow associative law on floats.
5973 2001-07-17 H.J. Lu <hjl@gnu.org>
5974 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5976 * c-pragma.h (HANDLE_PRAGMA_WEAK): Define iff ASM_WEAKEN_LABEL and
5977 ASM_OUTPUT_WEAK_ALIAS are defined.
5978 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Define if possible.
5979 * config/mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL):
5981 * config/mips/iris5.h: ... here.
5982 (HANDLE_SYSV_PRAGMA): Defined as 1.
5983 * varasm.c (weak_finish): Use ASM_OUTPUT_WEAK_ALIAS.
5984 * doc/tm.texi (ASM_OUTPUT_WEAK_ALIAS): Support the undefined weak
5987 2001-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
5989 * c-parse.in (all_prefix_attributes): New variable.
5990 (PUSH_DECLSPEC_STACK, POP_DECLSPEC_STACK): New macros.
5991 (maybe_resetattrs): New production.
5992 (c_parse_init, datadef, fndef, datadecl, setspecs, setattrs, decl,
5993 maybe_type_quals_setattrs, initdecls, notype_initdecls, initdcl,
5994 notype_initdcl, nested_function, notype_nested_function,
5995 component_decl, components, components_notype,
5996 component_declarator, component_notype_declarator,
5997 absdcl_maybe_attribute, parm, firstparm, setspecs_fp, ivar_decl,
5998 ivars, mydecl, myparm): Update. Avoid prefix attributes just
5999 after a comma being applied to more than one declarator.
6000 * doc/extend.texi (Attribute Syntax): Update. Remove
6001 documentation of bugs that are no longer present.
6003 2001-07-13 Eric Christopher <echristo@redhat.com>
6005 * config/mips/mips.h: Change TUNE_MIPS* options to use
6007 (EXTRA_SPECS): Add cc1_cpu_spec.
6008 * config/mips/mips.md (muldf3): Fix typo.
6010 2001-07-16 Richard Henderson <rth@redhat.com>
6012 * config/m68k/m68k.c: Include expr.h and reload.h.
6013 (print_operand_address) [16 bit int]: Cast INTVAL to int for %d.
6014 [general int]: Use HOST_WIDE_INT_PRINT_DEC.
6016 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
6017 Richard Henderson <rth@redhat.com>
6019 * cse.c (set_live_p): Take INSN argument for cc0; update callers.
6020 (insn_live_p): Fix fall off end of function.
6021 (dead_libcall_p): Remove COUNTS argument; update callers.
6022 (delete_trivially_dead_insns): Remove unused variables.
6024 2001-07-17 Andreas Jaeger <aj@suse.de>
6026 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix output format for
6029 * lcm.c (optimize_mode_switching): Avoid warning for unused
6030 variable if !NORMAL_MODE.
6032 * flow.c (try_crossjump_to_edge): Remove unused variable.
6034 2001-07-16 John David Anglin <dave@hiauly1.hia.nrc.ca>
6036 * inclhack.def (ultrix_atexit_param): New hack to fix ultrix 4.3
6037 atexit declaration in stdlib.h.
6039 2001-07-16 Richard Begg <Richard.Begg@colesmyer.com.au>
6041 * fixinc/inclhack.def(hpux_vsnprintf): brokenness in stdio.h
6043 Mon Jul 16 22:48:00 CEST 2001 Jan Hubicka <jh@suse.cz>
6045 * basic-block.h (CLEANUP_PRE_SIBCALL): New constant.
6046 * except.c (finish_eh_generation): Update call of cleanup_cfg;
6047 do rebuild_jump_labels instead of jump_optimize
6048 * sibcall.c (optimize_sibling_and_tail_recursive_call): Likewise.
6049 * toplev.c (rest_of_compulation): Likewise for -Wreturn_type.
6050 * flow.c (try_optimize_cfg): Remove unneeded code_labels.
6052 * flow.c: Include timevar.h
6053 (find_basic_block): Push/pop timevar;
6054 (cleanup_cfg): Likewise.
6055 * timevar.def (TV_CFG, TV_CLEANUP_CFG): New.
6056 * Makefile: Add dependencies on timevar.h
6058 * integrate.c (save_for_inline): Kill all BASIC_BLOCK notes.
6059 (copy_insn_list): Avoid killing of BASIC_BLOCK notes.
6061 * rtl.h (delete_trivially_dead_insns): Add new parameter.
6062 * toplev.c (rest_of_compilation): Update calls.
6063 * cse.c (set_live_p, insn_live_p, dead_libcall_p): Break out from ...
6064 (delete_trivially_dead_insns): ... here; accept new argument
6065 preserve_basic_blocks; preserve basic blocks if set.
6067 * reg-stack.c (stack_regs_mentioned): Return 0 if
6068 stack_regs_mentioned_data is not initialized.
6069 (reg_to_stack): Make stack_regs_mentioned survive after the
6070 reg-stack is completted; do not call cleanup_cfg.
6071 * toplev.c (rest_of_compilation): Do cleanup_cfg before bb-reorder;
6072 make cleanup_cfg after bb-reorder to output to debug file.
6074 2001-07-16 Richard Henderson <rth@redhat.com>
6076 * regclass.c (init_reg_sets): Use only 32 bits per initializer
6077 from int_reg_class_contents.
6079 2001-07-16 Richard Henderson <rth@redhat.com>
6081 * hard-reg-set.h (regs_invalidated_by_call): Declare.
6082 * regclass.c (regs_invalidated_by_call): Move from cse.c.
6083 (init_reg_sets_1): Move initialization from cse_main.
6084 * cse.c (regs_invalidated_by_call): Move to regclass.c.
6085 (cse_main): Move its initialization also.
6086 * df.c (df_insn_refs_record): Use regs_invalidated_by_call.
6087 * flow.c (propagate_one_insn): Likewise.
6088 * gcse.c (compute_hash_table): Likewise.
6089 (compute_kill_rd, compute_store_table): Likewise.
6090 * sched-deps.c (sched_analyze_1): Likewise.
6092 Mon Jul 16 18:07:07 2001 J"orn Rennecke <amylaar@redhat.com>
6094 * gcse.c (pre_insert_copy_insn): Use gen_move_insn instead of
6097 2001-07-16 Steve Ellcey <sje@cup.hp.com>
6099 * dominance.c (calc_dfs_tree_nonrec): Reverse order of tests
6100 in if statement so we don't access undefined memory.
6102 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
6104 * gcse.c: Update comment at top.
6105 Update comment on mem handling.
6106 mem_last_set, mem_first_set, mem_set_in_block: gone.
6107 Declaration of reg_set_info: gone.
6108 (oprs_unchanged_p): Don't use mem_*set_* anymore. They are
6109 pointless with load_killed_in_block_p (they are *more*
6110 conservative then it, not less, and less accurate).
6111 (oprs_not_set_p): Ditto.
6112 (alloc_gcse_mem): Don't allocate mem_set_in_block
6113 (free_gcse_mem): Don't free it, either.
6114 (record_last_mem_set_info): Update comment in front, remove
6115 mem_*set_* stuff. Note the reason we don't handle stores directly
6117 (compute_hash_table): Update comments to reflect reality. Remove
6118 mem_*set_* references.
6119 (reset_opr_set_tables): Remove mem_*set_* references.
6121 (mark_set): Ditto. Also remove double sets of bitmaps for REG's.
6122 (mark_clobber): Ditto (on both parts, we double set here too).
6123 (expr_killed_p): Remove mem_set_in_block test.
6124 (compute_transp): Remove mem_set_in_block test.
6126 * ssa-ccp.c: (optimize_unexecutable_edges): Add note about removal
6127 of edge, and removal of phi alternative to dump file.
6128 (ssa_ccp_substitute_constants): Add note about register now being
6129 constant, and which uses were replaced in what insns to dump file.
6131 2001-07-16 Andreas Jaeger <aj@suse.de>
6133 * gcov.c (output_data): Use HOST_WIDEST_INT_PRINT_DEC to output
6134 variables of type HOST_WIDEST_INT.
6136 * libgcc2.c (__bb_exit_func): Handle gcov_type as long long.
6137 (__bb_exit_func): Correct type of count_max to avoid overflow.
6138 (num_digits): Handle long long argument.
6140 * combine.c (gen_lowpart_for_combine): Remove unused variable.
6142 2001-07-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
6144 * output.h (sdb_begin_function_line): Restore as an extern
6146 * sdbout.c (sdb_begin_function_line): Make extern.
6148 2001-07-15 Richard Henderson <rth@redhat.com>
6150 * machmode.def (Pmode): Redefine if GENERATOR_FILE.
6151 * genrecog.c (maybe_both_true_mode): New.
6152 (maybe_both_true_2): Use it.
6153 (write_switch): Don't put Pmode in a switch.
6154 * rtl.c (mode arrays): Don't explicitly size them.
6156 Sun Jul 15 14:07:36 CEST 2001 Jan Hubicka <jh@suse.cz>
6158 * toplev.c (rest_of_compilation): Fix register_life_up_to_date
6159 handling; move unconditional splitting before mode switching.
6161 * i386.md (type): Add fistp type.
6162 (i387, length_attr, scheduling definitions): Handle this type.
6163 (fix_trunc?f?i2): Revamp to use mode switching.
6164 (fix_trunct?f?i_nonmemory, fix_trunc?f?i_memory): New patterns.
6165 * i386.h (fp_cw_mode): New enum
6166 (OPTIMIZE_MODE_SWITCHING, NUM_MODES_FOR_MODE_SWITCHING, MODE_NEEDED,
6167 MODE_PRIORITY_TO_MODE, ENUM_MODE_SET): New macros.
6169 Sun Jul 15 12:53:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6171 * Makefile.in (integrate.o): Add debug.h.
6172 * integrate.c (debug.h): Add.
6173 (output_inline_function): Save, reset, and restore debug_hooks.
6175 2001-07-15 Richard Henderson <rth@redhat.com>
6177 * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use CCmode
6178 instead of COMPARE for the EQUIV expression.
6180 2001-07-15 Richard Henderson <rth@redhat.com>
6182 * flow.c (redirect_edge_and_branch_force): Initialize
6183 global_live_at_start and global_live_at_end.
6184 (allocate_bb_life_data): Export.
6185 * basic-block.h (allocate_bb_life_data): Declare.
6186 * toplev.c (rest_of_compilation): Call it.
6188 2001-07-15 Richard Henderson <rth@redhat.com>
6190 * config/alpha/alpha.c (alpha_tablejump_addr_vec): New.
6191 (alpha_tablejump_best_label): New.
6192 * config/alpha/alpha-protos.h: Declare them.
6193 * config/alpha/alpha.md: Use braced strings for code blocks.
6194 (tablejump_osf): Break out add with r29.
6195 (tablejump_osf_internal): Remove.
6196 (tablejump_osf_nt_internal): Rename from tablejump_nt_internal,
6197 use alpha_tablejump_addr_vec and alpha_tablejump_best_label.
6199 Sun Jul 15 00:53:35 CEST 2001 Jan Hubicka <jh@suse.cz>
6201 * loop.c (scan_loop): Add USEs inside PARALLELs into dependencies
6204 * toplev.c (rest_of_compilation): Allow new pseudoes for mode switching.
6206 * i386-protos.h (ix86_split_fp_branch): Update prototype.
6207 (ix86_fp_jump_nontrivial_p): New.
6208 * i386.md (fp_jcc_?): Update call of split_fp_branch;
6209 use ix86_fp_jump_nontrivial_p.
6210 * i386.c (ix86_fp_jump_nontrivial_p): New.
6211 (ix86_split_fp_branch): Accept code instead of rtx.
6212 (ix86_expand_compare): Expand comparison early in case
6213 doing so is resonably cheap.
6215 2001-07-15 Nick Clifton <nickc@cambridge.redhat.com>
6217 * config/rs6000/sysv4.h (CPP_ENDIAN_BIG_SPEC): Assert 'endian'
6219 (CPP_ENDIAN_LITTLE_SPEC): Assert 'endian' not 'machine'.
6220 (CPP_ENDIAN_SOLARIS_SPEC): Assert 'endian' not 'machine'.
6222 2001-07-15 Neil Booth <neil@daikokuya.demon.co.uk>
6224 * dbxout.c (dbxout_source_line): Make static, update prototype.
6225 (dbx_debug_hooks, xcoff_debug_hooks): Add new hooks.
6226 (dbxout_init, dbxout_finish, dbxout_source_line,
6227 dbxout_begin_block, dbxout_end_block): Update for new prototypes.
6228 * dbxout.h (dbxout_source_line): Delete.
6229 * debug.c (debug_nothing_file, debug_nothing_file_int,
6230 debug_nothing_file_charstar_rtx): New.
6231 (do_nothing_debug_hooks): Update.
6232 (debug_nothing_void, debug_nothing_charstar_rtx,
6233 dwarf2out_end_epilogue): New.
6234 (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
6235 * debug.h (struct rtx_def): Declare.
6236 (gcc_debug_hooks): New hooks source_line, end_epilogue
6238 (debug_nothing_void, debug_nothing_charstar_rtx,
6239 dwarf2out_end_epilogue): New.
6240 (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
6241 * dwarf2out.c (dwarf2out_source_line): Make static, update prototype.
6242 (dwarf2_debug_hooks): Update.
6243 (dwarf2out_init, dwarf2out_finish, dwarf2out_source_line,
6244 dwarf2out_begin_block, dwarf2out_end_block): Update for new prototypes.
6245 * dwarf2out.h (dwarf2out_source_line): Remove.
6246 * dwarfout.c (dwarfout_end_epilogue, dwarfout_end_function):
6247 Make static, update prototype.
6248 (dwarfout_init, dwarfout_finish, dwarfout_source_line,
6249 dwarfout_begin_block, dwarfout_end_block): Update for new prototypes.
6250 (dwarf_debug_hooks): Update.
6251 * dwarfout.h (dwarfout_end_epilogue, dwarfout_source_line,
6252 dwarfout_end_function): Remove.
6253 * final.c (profile_function): Use debug hooks for ending functions
6255 (output_source_line, final_end_function): Update prototype,
6257 (final_start_function, final_scan_insn): Update.
6258 * output.h (sdb_begin_function_line): Remove.
6259 (final_end_function): Update prototype.
6260 * sdbout.c (sdb_begin_function_line): Make static.
6261 (PUT_SDB_EPILOGUE_END): Move to sdbout_end_epilogue.
6262 (sdbout_source_line): New.
6263 (sdbout_end_epilogue, sdbout_end_function): Make static, update
6265 (sdb_debug_hooks): Update.
6266 (sdbout_init, sdbout_source_line,
6267 sdbout_begin_block, sdbout_end_block): Update for new prototypes.
6268 * sdbout.h (sdbout_end_epilogue, sdbout_end_function): Remove.
6269 * toplev.c (compile_file, rest_of_compilation): Update.
6270 * tree.h (dwarf2out_end_epilogue): Move to debug.h.
6271 * xcoffout.c (xcoffout_source_line, xcoffout_begin_block,
6272 xcoffout_end_block, xcoffout_end_epilogue, xcoffout_end_function):
6273 Update for prototype changes.
6274 * xcoffout.h (xcoffout_source_line, xcoffout_begin_block,
6275 xcoffout_end_block, xcoffout_end_epilogue): Update prototypes.
6277 2001-07-15 Richard Henderson <rth@redhat.com>
6279 * config/alpha/alpha.h (TARGET_ABI_OSF): New.
6280 (TARGET_ABI_WINDOWS_NT, TARGET_ABI_OPEN_VMS): Rename; update users.
6281 * config/alpha/alpha-protos.h: Update TARGET_ABI_* users.
6282 * config/alpha/alpha.c: Likewise.
6283 * config/alpha/alpha.md: Likewise.
6284 * config/alpha/alpha32.h: Likewise.
6285 * config/alpha/vms.h: Likewise.
6288 2001-07-14 Richard Henderson <rth@redhat.com>
6290 * config/alpha/alpha.md: Use define_constants for unspec values.
6291 Substitute throughout.
6293 2001-07-14 Tim Josling <tej@melbpc.org.au>
6295 * tree.def (EXPON_EXPR) remove. Never supported anyway.
6297 2001-07-14 John David Anglin <dave@hiauly1.hia.nrc.ca>
6299 * pa.md: Remove unused constraints from define_split's.
6301 2001-04-14 Richard Henderson <rth@redhat.com>
6303 * ifcvt.c (find_cond_trap): Test for exit block.
6305 Sun Jul 15 00:50:20 CEST 2001 Jan Hubicka <jh@suse.cz>
6307 Re-install recently reverted patch.
6308 * emit-rtl.c (try_split): Update mark_jump_label call.
6309 * flow.c (find_sub_basic_blocks): Likewise.
6310 * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
6312 (mark_all_labels): Kill second parameter.
6313 (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
6314 (rebuild_jump_labels, jump_optimize_minimal): Update call
6316 (jump_optimize_1): Kill crossjumping code.
6317 (mark_jump_label): Kill cross_jump parameter.
6318 * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
6319 (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
6320 * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
6322 * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
6324 (dump_file_info): Likewise.
6325 (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
6326 reorganize passes to do reg-stack first, bb-reorder second.
6327 * invoke.texi (-d letters doc): Remove the jump2 pass.
6329 2001-07-14 Richard Henderson <rth@redhat.com>
6331 * ifcvt.c (find_cond_trap): New.
6332 (find_if_header): Call it.
6333 (merge_if_block): Relax existing jump sanity check.
6334 * jump.c (jump_optimize_1): Remove conditional trap handling.
6336 2001-07-14 Alan Modra <amodra@bigpond.net.au>
6338 * config/pa/pa.c (emit_hpdiv_const): Return reg is r2 for 64-bit
6340 (insn_refs_are_delayed): Correct comment.
6341 * config/pa/pa.h (INSN_REFERENCES_ARE_DELAYED): Likewise.
6342 * config/pa/pa.md (mulsi3): If TARGET_64BIT, clobber r2
6343 instead of r31. Make associated insn !TARGET_64BIT, and
6344 provide an additional 64-bit insn that clobbers r2.
6346 (udivsi3): Likewise.
6348 (umodsi3): Likewise.
6350 Sat Jul 14 02:58:38 CEST 2001 Jan Hubicka <jh@suse.cz>
6352 * bb-reorder.c (skip_insn_after_block): Get past the line number notes.
6354 * flow.c (redirect_edge_and_branch_force, split_edge,
6355 try_crossjump_to_edge): Use set_block_for_new_insns.
6356 * bb-reorder.c (emit_jump_to_block_after): Call set_block_for_new_insns.
6358 2001-07-13 H.J. Lu (hjl@gnu.org)
6360 * config/elfos.h (UNIQUE_SECTION): Enable .bss section with
6363 2001-07-13 Geoffrey Keating <geoffk@redhat.com>
6365 Revert H.J. Lu's UNIQUE_SECTION patch of 2001-07-13.
6367 2001-07-13 Joseph S. Myers <jsm28@cam.ac.uk>
6369 * c-common.c (decl_attributes): Take a pointer to the node to
6370 which attributes are to be attached, and a flags argument.
6371 * c-common.h (enum attribute_flags): New.
6372 (decl_attributes): Update prototype.
6373 * c-decl.c (start_decl, push_parm_decl, finish_struct,
6374 finish_enum, start_function): Update calls to decl_attributes.
6375 * c-parse.in (component_declarator, component_notype_declarator,
6376 label): Update calls to decl_attributes.
6378 Fri Jul 13 23:04:00 2001 Denis Chertykov <denisc@overta.ru>
6380 * config/avr/avr.md (strlenhi): PARALLEL keyword removed.
6381 * config/avr/avr.c (legitimate_address_p): Return value changed
6382 from letter to register classes. For better debugging.
6384 2001-07-13 Kazu Hirata <kazu@hxi.com>
6386 * jump.c (reversed_comparison_code_parts): Fix comment typos.
6388 2001-07-13 H.J. Lu (hjl@gnu.org)
6390 * config/elfos.h (UNIQUE_SECTION): Enable .bss section.
6392 2001-07-13 Marc Espie <espie@cvs.openbsd.org>
6394 * config.gcc (*-*-openbsd*): Add fragment to compile libgcc
6395 correctly for shared configurations.
6396 * config/t-libgcc-pic: New.
6397 * config/{i386,m68k,sparc}/t-openbsd: New.
6398 * config/openbsd.h: Include cpu_spec in cpp_spec where needed.
6399 Support -shared. Support debugging libraries with -g.
6400 * config/i386/openbsd.h: Correct ASM_COMMENT_START. Ensure dwarf2
6401 frame information does not emit pointer diffs.
6402 * config/sparc/openbsd.h: Ensure dwarf2 frame information does not
6405 2001-07-13 Geoffrey Keating <geoffk@redhat.com>
6407 Revert Jan Hubicka's patch of Fri Jul 13 14:46:21 CEST 2001.
6409 2001-07-13 David Edelsohn <edelsohn@gnu.org>
6411 * combine.c (try_combine): Ensure const_int pow2 is positive.
6413 2001-07-13 Hartmut Penner <hpenner@de.ibm.com>
6415 * config.gcc: Add configuration for s/390.
6416 * config/s390/s390.c: New. Subroutines for code generation.
6417 * config/s390/s390.h: New. Definitions for s/390.
6418 * config/s390/s390-protos.h: New. Prototypes.
6419 * config/s390/linux.h: New. Definitions for linux for s/390.
6420 * config/s390/linux64.h: New. Definitions for linux for zSeries.
6421 * config/s390/t-linux: New. Makefile fragment.
6422 * config/s390/s390.md: New. Machine description for s/390 and zSeries.
6423 * config/s390/fixdfdi.h: New. Fix L_fix*di.
6425 Fri Jul 13 14:46:21 CEST 2001 Jan Hubicka <jh@suse.cz>
6427 * emit-rtl.c (try_split): Update mark_jump_label call.
6428 * flow.c (find_sub_basic_blocks): Likewise.
6429 * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
6431 (mark_all_labels): Kill second parameter.
6432 (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
6433 (rebuild_jump_labels, jump_optimize_minimal): Update call
6435 (jump_optimize_1): Kill crossjumping code.
6436 (mark_jump_label): Kill cross_jump parameter.
6437 * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
6438 (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
6439 * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
6441 * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
6443 (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
6444 reorganize passes to do reg-stack first, bb-reorder second.
6445 * invoke.texi (-d letters doc): Remove the jump2 pass.
6447 2001-07-12 Steve Ellcey <sje@cup.hp.com>
6449 * toplev.c (compile_file): Put call of ASM_FILE_START inside ifdef.
6451 Thu Jul 12 17:57:16 CEST 2001 Jan Hubicka <jh@suse.cz>
6453 * flow.c (try_optimize_cfg): Delete whole chain of trivially dead
6455 (verify_flow_info): Make diagnostics prettier.
6457 Thu Jul 12 16:48:54 CEST 2001 Jan Hubicka <jh@suse.cz>
6459 * flow.c (find_basic_blocks_1): Do not emit NOP after call.
6461 * flow.c (outgoing_edges_match): Return early if condition reversal
6464 2001-07-06 Richard Sandiford <rsandifo@redhat.com>
6466 * config/mips/mips.c (print_operand): Extend '%D' to memory operands.
6467 (mips_move_2words): When splitting a move into two instructions,
6468 prefix the second address operand with '%D'.
6470 2001-07-12 Neil Booth <neil@daikokuya.demon.co.uk>
6472 * Makefile.in (final.o): Depend on debug.h.
6473 * dbxout.c (dbxout_begin_block, dbxout_end_block): New.
6474 (dbx_debug_hooks): Add new hooks.
6475 (xcoff_debug_hooks): New.
6476 * debug.c (debug_nothing_file_int_int): New.
6477 (do_nothing_debug_hooks): Update.
6478 * debug.h (gcc_debug_hooks): New hooks begin_block and end_block.
6479 (debug_nothing_file_int_int): New.
6480 * dwarf2out.c (dwarf2out_begin_block, dwarf2out_end_block): Make
6481 static, update prototype.
6482 (dwarf2_debug_hooks): Update.
6483 * dwarf2out.h (dwarf2out_begin_block, dwarf2out_end_block): Remove.
6484 * dwarfout.c (dwarfout_begin_block, dwarfout_end_block): Make
6485 static, update prototype.
6486 (dwarf_debug_hooks): Update.
6487 * dwarfout.h (dwarfout_begin_block, dwarfout_end_block): Remove.
6488 * final.c: Include debug.h.
6489 (final_scan_insn): Use debug hooks when beginning and ending blocks.
6490 * sdbout.c (sdbout_begin_block, sdbout_end_block): Make
6491 static, update prototype.
6492 (sdb_debug_hooks): Update.
6493 * sdbout.h (sdbout_begin_block, sdbout_end_block): Remove.
6494 * toplev.c: Distinguish between xcoff and dbx.
6496 * f/lex.c (ffelex_file_pop_, ffelex_file_push_, ffelex_hash_):
6497 Call all debug hooks, not just dwarf ones.
6499 2001-07-11 Timothy Wall <twall@redhat.com>
6501 * config.gcc: Add configuration for AIX5/IA64.
6502 * config/ia64/aix.h: New. AIX5/IA64-specific configuration.
6503 * config/ia64/crt[in].asm: New. Generic static ctor/dtor
6504 support prefix/suffix code.
6505 * config/ia64/t-aix: New. Makefile fragment.
6506 * config/ia64/unwind-aix.c: New. Unwind table entry lookup.
6508 2001-07-11 Kazu Hirata <kazu@hxi.com>
6510 * recog.c (validate_change): Fix a comment typo.
6512 2001-07-11 Neil Booth <neil@daikokuya.demon.co.uk>
6514 * Makefile.in (c-lex.o): Wrap long lines. Depend on debug.h.
6515 * c-lex.c (cb_file_change, cb_define, cb_undef): Use debug
6517 * dbxout.c (dbx_debug_hooks): Add new hooks.
6518 (dbxout_start_new_source_file): Rename dbxout_start_source_file,
6520 (dbxout_resume_previous_source_file): Rename dbxout_end_source_file,
6522 * dbxout.h (dbxout_start_new_source_file,
6523 dbxout_resume_previous_source_file): Delete.
6524 * debug.c (do_nothing_debug_hooks): Add new hooks.
6525 (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
6526 (debug_nothing_int_charstar, debug_nothing_int): New.
6527 * debug.h (gcc_debug_hooks): New hooks define, undef,
6528 start_source_file and end_source_file.
6529 (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
6530 (debug_nothing_int_charstar, debug_nothing_int): New.
6531 * dwarf2out.c (dwarf2_debug_hooks): Add new hooks. Move into
6532 the conditionally compiled section.
6533 (dwarf2out_start_source_file, dwarf2out_end_source_file,
6534 dwarf2out_define, dwarf2out_undef): Make static.
6535 * dwarf2out.h (dwarf2out_start_source_file, dwarf2out_end_source_file,
6536 dwarf2out_define, dwarf2out_undef): Remove.
6537 * dwarfout.c (dwarf_debug_hooks): Add new hooks.
6538 (dwarfout_start_source_file, dwarfout_end_source_file,
6539 dwarfout_define, dwarfout_undef): Make static.
6540 (dwarfout_start_source_file_check,
6541 dwarfout_end_source_file_check): New.
6542 (dwarfout_define, dwarfout_finish): Update.
6543 * dwarfout.h (dwarfout_start_new_source_file,
6544 dwarfout_resume_previous_source_file, dwarfout_define,
6545 dwarfout_undef): Remove.
6546 * sdbout.c (sdb_debug_hooks): Add new hooks.
6547 (sdbout_start_new_source_file): Rename sdbout_start_source_file,
6549 (sdbout_resume_previous_source_file): Rename sdbout_end_source_file,
6550 make static, take an arg.
6551 * sdbout.h (sdbout_start_new_source_file,
6552 sdbout_resume_previous_source_file): Delete.
6553 * toplev.c (debug_start_source_file, debug_end_source_file,
6554 debug_define, debug_undef): Delete.
6555 * toplev.h (debug_start_source_file, debug_end_source_file,
6556 debug_define, debug_undef): Delete.
6558 * java/jcf-parse.c: Include debug.h.
6559 (parse_class_file): Update to use debug hooks directly.
6560 * java/Make-lang.in (jcf-parse.o): Depend on debug.h.
6562 Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6564 * alias.c (set_mem_alias_set): New function.
6565 * rtl.h (set_mem_alias_set): Declare it.
6566 * builtins.c (expand_builtin_return_addr): Call it instead of
6567 using MEM_ALIAS_SET accessor.
6568 (expand_builtin_setjmp_setup, expand_builtin_longjmp): Likewise.
6569 (get_memory_rtx, expand_builtin_va_arg): Likewise.
6570 (expand_builtin_va_copy):Likewise.
6571 * caller-save.c (setup_save_areas): Likewise.
6572 * calls.c (compute_argument_addresses): Likewise.
6573 * explow.c (set_mem_attributes): Likewise.
6574 * expr.c (emit_single_push_insn, emit_push_insn): Likewise.
6575 (expand_assignment, store_constructor_field, store_field): Likewise.
6576 (expand_expr_unaligned): Likewise.
6577 * function.c (assign_stack_temp_for_type): Likewise.
6578 (put_reg_into_stack, gen_mem_addressof): Likewise.
6579 * ifcvt.c (noce_try_cmove_arith): Likewise.
6580 * reload1.c (reload, alter_reg): Likewise.
6581 * config/alpha/alpha.c (get_aligned_mem): Likewise.
6582 (alpha_set_memflags_1, alpha_expand_unaligned_load): Likewise.
6583 (alpha_expand_unaligned_store): Likewise
6584 (alpha_expand_unaligned_load_words): Likewise.
6585 (alpha_expand_unaligned_store_words): Likewise.
6586 (alpha_expand_block_clear, alpha_expand_prologue): Likewise.
6587 (alpha_expand_epilogue): Likewise.
6588 * config/arc/arc.c (arc_setup_incoming_varargs): Likewise.
6589 * config/clipper/clipper.c (clipper_builtin_saveregs): Likewise.
6590 * config/i386/i386.c (legitimize_pic_address): Likewise.
6591 * config/i960/i960.c (setup_incoming_varargs): Likewise.
6592 * config/ia64/ia64.c (spill_restore_mem): Likewise.
6593 * config/m32r/m32r.c (m32r_setup_incoming_varargs): Likewise.
6594 * config/m8k/m88k.c (m88k_builtin_saveregs): Likewise.
6595 * config/mips/mips.c (mips_va_arg): Likewise.
6596 * config/mn10300/mn10300.c (mn10300_builtin_saveregs): Likewise.
6597 * config/pa/pa.c (hppa_builtin_saveregs): Likewise.
6598 * config/rs6000/rs6000.c (rs6000_emit_move): Likewise.
6599 (setup_incoming_varargs, rs6000_va_arg): Likewise.
6600 (rs6000_emit_eh_toc_restore, rs6000_emit_prologue): Likewise.
6601 (rs6000_emit_epilogue): Likewise.
6602 * config/sh/sh.c (sh_builtin_saveregs): Likewise.
6603 * config/sparc/sparc.c (sparc_va_arg): Likewise.
6604 * config/v850/v850.c (v850_va_arg): Likewise.
6606 Wed Jul 11 21:27:25 CEST 2001 Jan Hubicka <jh@suse.cz>
6608 * flow.c (merge_blocks_move_successor_nojumps): Do not crash
6609 when fallthru edge is present.
6610 (mege_blocks): Handle case where creation of jump insn
6613 * basic-block.h (CLEANUP_EXPENSIVE, CLEANUP_CROSSJUMP,
6614 CLEANUP_POST_REGSTACK): New constants.
6615 * except.c (finish_eh_generation): Update call of cleanup_cfg,
6616 * jump.c (rtx_renumbered_equal_p): Handle 't' fields.
6617 * output.h (cleanup_cfg): Update prototype.
6618 * reg-stack.c (reg_to_stack): Use cleanup_cfg instead of jump_optimize
6619 * sibcall.c (optimize_sibling_and_tail_recursive_call): Update
6620 cleanup_cfg call; kill missleading comment.
6621 * toplev.c (rest_of_compilation): Update all cleanup_cfg calls.
6622 * flow.c (merge_blocks, try_optimize_cfg, cleanup_cfg): Accept mode
6623 parameter; control optimizations performed using it.
6624 (flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
6625 try_crossjump_bb): New functions.
6627 2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
6629 * pa.c (pa_output_function_prologue): Delete prototype. Make function
6631 * pa.h (ASM_OUTPUT_MI_THUNK): Rename output_function_prologue to
6632 pa_output_function_prologue.
6633 * pa-protos.h (pa_output_function_prologue): New prototype.
6635 2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
6637 * stmt.c (emit_case_nodes): Widen high and low instead of new_bound
6638 and low to get correct sign extension in low+high test.
6640 2001-07-11 Janis Johnson <janis@us.ibm.com>
6642 * gcov.c (arcdata): Use gcov_type to fix branch percentage
6643 for large hit count.
6645 * profile.c (branch_prob): Fix .bbg info for computed gotos
6648 2001-07-11 Mark Mitchell <mark@codesourcery.com>
6650 * stmt.c (parse_output_constraint): New function, split out
6652 (expand_asm_operands): ... here. Use parse_output_constraint.
6653 * tree.h (parse_output_constraint): Declare it.
6655 2001-07-11 Richard Henderson <rth@redhat.com>
6657 * bitmap.c: Comment some functions; fiddle whitespace.
6658 (bitmap_free): Don't export.
6659 (bitmap_element_allocate): Use memset.
6660 * bitmap.h (bitmap_free): Don't declare.
6662 2001-07-11 Daniel Berlin <dan@cgsoftware.com>
6664 * gcse.c, lcm.c, sched-deps.c:
6665 s/free on sbitmap vectors/sbitmap_vector_free on sbitmap vectors/g
6667 * flow.c (flow_loops_find): Free dom if we found no loops, since
6668 we aren't going to save it.
6670 * lcm.c (pre_edge_rev_lcm): Free st_antin, st_antout when we are
6673 Wed Jul 11 09:00:48 2001 Jeffrey A Law (law@cygnus.com)
6675 * ssa-ccp.c (ssa_fast_dce): Free worklist when completed.
6677 Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6679 * dwarf2out.c (dwarf2out_init, dwarf2out_finish): Add dummy version
6680 #ifndef DWARF2_DEBUGGING_INFO.
6682 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
6684 * simplify-rtx.c (simplify_gen_subreg): Return null for QUEUED rtxes.
6686 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
6688 * config/mips/mips.c (gen_int_relational): Tell the caller not to
6689 reverse a branch if a NE comparison is implemented with GTU.
6691 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
6692 H.J. Lu <hjl@gnu.org>
6694 * mips.md (call_internal1): Use CONSTANT_ADDRESS_P to check for
6696 (call_internal2): Likewise.
6697 (call_value_internal1): Likewise.
6698 (call_value_internal2): Likewise.
6699 (call_value_multiple_internal1): Likewise.
6700 (call_value_multiple_internal2): Likewise.
6702 2001-07-10 Kazu Hirata <kazu@hxi.com>
6704 * calls.c (emit_library_call_value_1): Fix a comment typo.
6705 * dwarf2out.c (mem_loc_descriptor): Likewise.
6706 * config/i386/i386.c (ix86_expand_aligntest): Likewise.
6708 2001-07-11 David Billinghurst <David.Billinghurst@riotinto.com>
6710 * simplify-rtx.c (simplify_subreg): Fix typo in comment
6712 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6714 * recog.c (offsettable_address_p): Handle LO_SUM case.
6715 * config/mips/mips.c (double_memory_operand): Use adjust_address_nv
6716 instead of plus_constant.
6718 2001-07-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6720 * reload1.c (merge_assigned_reloads): After a RELOAD_OTHER merge,
6721 fix setting of the reloads of that reload to RELOAD_FOR_OTHER_ADDRESS.
6723 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6725 * config/rs6000/rs6000.c (print_operand, case 'L', 'Y', 'Z'): Use
6726 adjust_address_nv instead of plus_constant.
6728 2001-07-10 Neil Booth <neil@daikokuya.demon.co.uk>
6730 * Makefile.in (toplev.o, sdbout.o, dbxout.o, dwarfout.o,
6731 dwarf2out.o): Depend on debug.h, wrap long lines.
6732 * dbxout.c: Include debug.h.
6733 (dbx_debug_hooks): New.
6734 (dbxout_init): Make static, take just 2 args.
6735 (dbxout_finish): Make static.
6736 * dbxout.h (dbxout_init, dbxout_finish): Delete.
6737 * debug.c: New file.
6738 * debug.h: New file.
6739 * dwarf2out.c: Include debug.h.
6740 (dwarf2_debug_hooks): New.
6741 (dwarf2out_init): Make static.
6742 (dwarf2out_finish): Make static, take 2 args.
6743 * dwarf2out.h (dwarf2out_init, dwarf2out_finish): Delete.
6744 * dwarfout.c: Include debug.h.
6745 (dwarf_debug_hooks): New.
6746 (dwarfout_init): Make static.
6747 (dwarfout_finish): Make static, take 2 args.
6748 * dwarfout.h (dwarfout_init, dwarfout_finish): Delete.
6749 * sdbout.c: Include debug.h.
6750 (sdb_debug_hooks): New.
6751 (sdbout_init): Make static, take 2 args.
6752 * sdbout.h (sdbout_init): Delete.
6753 * toplev.c: Include debug.h.
6755 (compile_file): Set deubg_hooks based on command line options.
6756 Use the hooks unconditionally rather than conditional compilation.
6758 Tue Jul 10 09:04:45 2001 Jeffrey A Law (law@cygnus.com)
6760 * ssa-ccp.c (first_phi_node): Remove. Replace uses with calls to
6761 first_insn_after_basic_block_note instead.
6763 * df.c (df_bb_refs_unlink): #if 0 out for now.
6765 2001-07-10 David Billinghurst <David.Billinghurst@riotinto.com
6767 * ssa.h: Add prototype for ssa_const_prop
6768 * ssa-ccp.c: Add prototype for ssa_fast_dce and mark_references
6769 (ssa_ccp_substitute_constants): Fix signed vs unsigned comparison
6770 (ssa_fast_dce): Remove unused variable
6772 2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
6774 * diagnostic.c (finish_diagnostic): Rename to
6775 diagnostic_finish. Make it take an 'output_buffer *'. Adjust
6778 2001-07-10 Jason Merrill <jason_merrill@redhat.com>
6780 * dwarf2out.c (dwarf2out_line): Emit -dA comment even when we have
6783 * collect2.c (main): Set COLLECT_NO_DEMANGLE for subprocesses.
6784 (dump_file): Only pad the demangled name with spaces if the
6785 mangled name was padded with spaces.
6787 2001-07-10 Bernd Schmidt <bernds@redhat.com>
6789 * bb-reorder.c (make_reorder_chain_1): Correct branch/fallthru
6792 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6794 * expr.c (expand_expr, case COMPONENT_REF): Don't force using bitfield
6795 extraction if no direct load if either EXPAND_CONST_ADDRESS or
6798 * emit-rtl.c (adjust_address, adjust_address_nv): Change criteria for
6799 whether can put offset inside LO_SUM to check mode alignment, not size.
6801 2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
6803 * doc/tm.texi (Misc): Fix thinko.
6805 2001-07-10 Jan van Male <jan.vanmale@fenk.wau.nl>
6807 * regmove.c (replace_in_call_usage): Fix warnings.
6808 * sched-deps.c (add_dependence): Fix warnings.
6809 * simplify-rtx.c (simplify_subreg): Likewise.
6810 Return NULL_RTX instead of NULL.
6812 * reg-stack.c (emit_swap_insn): Eliminate warnings.
6813 (subst_asm_stack_regs): Likewise.
6815 * combine.c (num_sign_bit_copies): Cast bitwidth to int to avoid
6818 * dwarf2out.c (output_call_frame_info): Declare i as int.
6819 (build_abbrev_table): Declare n_alloc as int.
6820 (dwarf2out_finish): Initialize die.
6821 * except.c: Declare sjlj_funcdef_number as unsigned.
6822 (connect_post_landing_pads): Declare j as unsigned.
6823 (convert_to_eh_region_ranges): Initialize call_site.
6824 (output_function_exception_table): Initialize tt_format_size.
6825 * expr.c (move_by_pieces_1): Initialize to1.
6826 (store_constructor): Initialize minelt and maxelt.
6827 * flow.c (mark_regs_live_at_end): Declare i as unsigned.
6828 * function.c (instantiate_decls): Avoid signed/unsigned warning.
6830 * c-decl.c (combine_parm_decls): Unused, remove.
6831 * c-tree.h: Remove prototype for combine_parm_decls.
6833 * reload.c (push_reload): Fix warning.
6834 (regno_clobbered_p): Likewise.
6835 * reload1.c (replace_pseudos_in_call_usage): Likewise.
6836 (reload_combine): Likewise.
6838 * bitmap.c: Rename bitmap_zero to bitmap_zero_bits to fix warnings.
6839 * bitmap.h: Rename bitmap_zero to bitmap_zero_bits to fix
6841 * bitmap.c (bitmap_operation): Change user.
6842 * bitmap.h (EXECUTE_IF_AND_COMPL_IN_BITMAP): Likewise.
6844 2001-07-10 Eric Christopher <echristo@redhat.com>
6846 * config/mips/mips.c (override_options): Fix typo.
6848 2001-07-09 Stan Shebs <shebs@apple.com>
6850 * target.h (struct gcc_target): New fields init_builtins and
6852 * target-def.h (TARGET_INIT_BUILTINS): New macro.
6853 (TARGET_EXPAND_BUILTIN): New macro.
6854 (TARGET_INITIALIZER): Add them.
6855 * builtins.c: Include target.h.
6856 (expand_builtin): Use targetm.expand_builtin.
6857 (default_init_builtins): New function.
6858 (default_expand_builtin): New function.
6859 * expr.h (default_init_builtins): Declare.
6860 (default_expand_builtin): Declare.
6861 * c-common.c (c_common_nodes_and_builtins): Use
6862 targetm.init_builtins.
6863 * defaults.h (MD_INIT_BUILTINS): Remove.
6864 * Makefile.in (builtins.o): Depend on target.h.
6866 * config/arm/arm.c (TARGET_INIT_BUILTINS): Define.
6867 (TARGET_EXPAND_BUILTIN): Define.
6868 * config/arm/arm.h (MD_INIT_BUILTINS): Remove.
6869 (MD_EXPAND_BUILTIN): Remove.
6871 * config/c4x/c4x.c (TARGET_INIT_BUILTINS): Define.
6872 (TARGET_EXPAND_BUILTIN): Define.
6873 (c4x_init_builtins): Make endlink arg a local.
6874 (c4x_print_operand): Fix typos in adjust_address usages.
6875 * config/c4x/c4x-protos.h (c4x_init_builtins): Update decl.
6876 * config/c4x/c4x.h (MD_INIT_BUILTINS): Remove.
6877 (MD_EXPAND_BUILTIN): Remove.
6879 * config/i386/i386.c (TARGET_INIT_BUILTINS): Define.
6880 (TARGET_EXPAND_BUILTIN): Define.
6881 (ix86_init_mmx_sse_builtins): New function, was ix86_init_builtins.
6882 (ix86_init_builtins): Call new function only if TARGET_MMX.
6883 * config/i386/i386-protos.h (ix86_init_mmx_sse_builtins): Declare.
6884 * config/i386/i386.h (MD_INIT_BUILTINS): Remove.
6885 (MD_EXPAND_BUILTIN): Remove.
6887 * config/ia64/ia64.c (TARGET_INIT_BUILTINS): Define.
6888 (TARGET_EXPAND_BUILTIN): Define.
6889 * config/ia64/ia64.h (MD_INIT_BUILTINS): Remove.
6890 (MD_EXPAND_BUILTIN): Remove.
6892 * doc/tm.texi: Document these changes.
6894 2001-07-09 Diego Novillo <dnovillo@redhat.com>
6896 * basic-block.h (tree_node): Forward declare if needed.
6897 (struct basic_block_def): Add fields 'head_tree' and 'end_tree'.
6898 (BLOCK_HEAD_TREE): Define.
6899 (BLOCK_END_TREE): Define.
6900 (struct loops): Rename field 'tree' to 'tree_root'.
6901 * flow.c (entry_exit_blocks): Add initializers for 'head_tree' and
6903 (flow_loops_tree_build): Rename reference to field 'tree' to
6905 (flow_loops_level_compute): Ditto.
6906 * predict.c (estimate_bb_frequencies): Ditto.
6907 * tree.h (struct tree_common): Add field 'aux'.
6909 2001-07-09 Stan Shebs <shebs@apple.com>
6911 * config/darwin.c (darwin_encode_section_info): Don't mark any
6912 DECL_EXTERNAL node as defined.
6914 2001-07-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
6916 * pa.c (pa_init_machine_status, pa_mark_machine_status,
6917 pa_free_machine_status, hppa_init_pic_save): Delete.
6918 (hppa_pic_save_rtx): New. Use get_hard_reg_initial_val.
6919 (hppa_profile_hook): Use hppa_pic_save_rtx.
6920 * pa.h (struct machine_function, PIC_OFFSET_TABLE_SAVE_RTX,
6921 hppa_init_pic_save): Delete.
6922 (hppa_pic_save_rtx): Declare.
6923 * pa.md (call, call_value, sibcall, sibcall_value,
6924 builtin_setjmp_receiver): Use hppa_pic_save_rtx.
6926 2001-07-09 Kazu Hirata <kazu@hxi.com>
6928 * config/h8300/t-h8300 (LIB1ASMFUNCS): Add _floatdisf and _fixsfdi.
6929 * config/mn10200/t-mn10200 (LIB1ASMFUNCS): Likewise.
6931 2001-07-09 Andreas Jaeger <aj@suse.de>
6933 * output.h: Add declaration of final_forward_branch_p.
6935 * config/i386/i386.c (output_fix_trunc): Remove unused variable.
6937 * varray.c: Include errors.h for internal_error and trim_filename
6940 * Makefile.in (varray.o): Add errors.h.
6942 2001-07-09 Toon Moene <toon@moene.indiv.nluug.nl>
6944 * expr.h: Adjust prototypes for have_add2_insn, have_sub2_insn.
6945 * optabs.c (have_add2_insn): Check whether the add insn chosen
6946 really accepts the operands. (have_sub2_insn): Ditto for sub insn.
6947 * reload1.c (reload_cse_move2add): Adjust calls of have_add2_insn.
6949 Mon Jul 9 13:26:40 2001 Jeffrey A Law (law@cygnus.com)
6951 * Makefile.in (OBJS): Add ssa-ccp.o
6952 (ssa-ccp.o): Add dependencies.
6953 * toplev.c (DFI_ssa_ccp): New dump file enum.
6954 (dump_file): Add entry for dumping after SSA CCP.
6955 (flag_ssa_ccp): New flag variable.
6956 (f_options): Add -fssa-ccp.
6957 (rest_of_compilation): Run SSA CCP if requested.
6958 * timevar.def (TV_SSA_CCP): New timevar.
6959 * ssa.c (mark_phi_and_copy_regs): Handle deleted PHI nodes.
6960 * doc/gcc.texi (Passes): Add documentation for SSA CCP pass.
6961 Fix minor typo in SSA DCE documentation.
6962 * doc/invoke.texi: Add documentation for new flag -fssa-ccp.
6963 Add documentation for new dump option. Renumber dump files
6966 Mon Jul 9 21:36:00 CEST 2001 Jan Hubicka <jh@suse.cz>
6968 * emit-rtl.c (gen_highpart_mode): New.
6969 * rtl.h (gen_highpart_mode): Declare.
6970 * sparc.md (insn splitters): Use gen_highpart_mode, whenever the
6971 operand can be VOIDmode constant.
6973 Mon Jul 9 17:23:10 CEST 2001 Jan Hubicka <jh@suse.cz>
6975 * flow.c (redirect_edge_and_branch_force): New.
6976 (can_fallthru): Ensure that basic blocks are succeeding.
6977 (try_optimize_cfg): Do not delete basic block if it is the last one.
6979 * flow.c (try_redirect_by_replacing_jump): Do not remove
6980 jumps with side effects, unlink chain on fallthru edge;
6981 set block for new jump instruction; avoid basic block to
6982 over by line number note.
6984 * flow.c (try_simplify_condjump): Verify that the condjump
6985 is not always falling trought.
6988 * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
6990 * flow.c (forwarder_block_p): Fix for fallthru blocks.
6991 (try_redirect_by_replacing_jump): Update properly the count
6992 and frequency information.
6994 Mon Jul 9 06:41:07 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6996 * emit-rtl.c (adjust_address, adjust_address_nv): Handle an
6997 address that is a LO_SUM specially.
6998 * explow.c (plus_constant_wide, case LO_SUM): Deleted.
7000 * c-lang.c (start_cdtor): Remove extra parameter from start_function.
7002 * emit-rtl.c (adjust_address_nv, replace_equiv_address_nv): New fcns.
7003 (operand_subword): Use them.
7004 (change_address_1): Renamed from change_address; new arg VALIDATE.
7005 * expr.h: Reflect above changes; change_address now macro.
7006 * alias.c (canon_rtx): Use replace_equiv_address_nv instead of
7008 * cselib.c (add_mem_for_addr): Likewise.
7009 * expr.c (protect_from_queue, emit_move_insn_1): Likewise.
7010 * regmove.c (try_apply_stack_adjustment): Likewise.
7011 * reload.c (push_reload, make_memloc): Likewise.
7012 * reload1.c (eliminate_regs): Likewise.
7013 * simplify-rtx.c (simplify_replace_rtx): Likewise.
7014 * caller-save.c (setup_save_areas): Use adjust_address_nv instead of
7016 * combine.c (make_extraction, simplify_shift_const): Likewise.
7017 (gen_lowpart_for_combine): Likewise.
7018 * cse.c (gen_lowpart_if_possible): Likewise.
7019 * function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
7020 * expr.c (expand_expr, case COMPONENT_REF): Likewise.
7021 * optabs.c (gen_move_insn): Likewise.
7022 * reload1.c (alter_reg): Likewise.
7023 * simplify-rtx.c (simplify_subreg): Likewise.
7024 * stmt.c (expand_anon_union_decl): Likewise.
7025 * recog.c (validate_replace_rtx_1): Likewise.
7027 * Makefile.in (recog.o): Add $(EXPR_H).
7028 * explow.c (stabilize): Call replace_equiv_address.
7029 * expr.c (move_by_pieces_1, store_by_pieces_2): Likewise.
7030 * final.c (alter_subreg): OFFSET is HOST_WIDE_INT.
7032 2001-07-03 Andrew Haley <aph@redhat.com>
7034 * expmed.c (store_fixed_bit_field): Don't use a mode bigger than
7035 the mode of the memory location.
7037 2001-07-09 Bo Thorsen <bo@suse.co.uk>
7039 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix x86-64 vtable support.
7041 2001-07-09 Neil Booth <neil@daikokuya.demon.co.uk>
7043 * final.c (output_addr_const): Use target opening and
7044 closing parentheses.
7045 * target-def.h: Define TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN
7046 defaults, add to TARGET_ASM_OUT.
7047 * target.h (struct gcc_target): Add open_paren and close_paren.
7048 * doc/md.texi: Update.
7049 * doc/tm.texi: Document TARGET_ASM_FUNCTION_END_PROLOGUE,
7050 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE, TARGET_ASM_OPEN_PAREN and
7051 TARGET_ASM_CLOSE_PAREN.
7052 * config/i386/i386.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
7054 * config/pdp11/pdp11.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
7056 * config/1750a/1750a.h (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): Remove.
7057 * config/a29k/a29k.h: Similarly.
7058 * config/alpha/alpha.h: Similarly.
7059 * config/arc/arc.h: Similarly.
7060 * config/arm/aof.h: Similarly.
7061 * config/arm/aout.h: Similarly.
7062 * config/avr/avr.h: Similarly.
7063 * config/c4x/c4x.h: Similarly.
7064 * config/clipper/clipper.h: Similarly.
7065 * config/convex/convex.h: Similarly.
7066 * config/d30v/d30v.h: Similarly.
7067 * config/dsp16xx/dsp16xx.h: Similarly.
7068 * config/elxsi/elxsi.h: Similarly.
7069 * config/fr30/fr30.h: Similarly.
7070 * config/h8300/h8300.h: Similarly.
7071 * config/i370/i370.h: Similarly.
7072 * config/i386/i386.h: Similarly.
7073 * config/i860/i860.h: Similarly.
7074 * config/i960/i960.h: Similarly.
7075 * config/ia64/ia64.h: Similarly.
7076 * config/m32r/m32r.h: Similarly.
7077 * config/m68hc11/m68hc11.h: Similarly.
7078 * config/m68k/m68k.h: Similarly.
7079 * config/m88k/m88k.h: Similarly.
7080 * config/mcore/mcore.h: Similarly.
7081 * config/mips/mips.h: Similarly.
7082 * config/mn10200/mn10200.h: Similarly.
7083 * config/mn10300/mn10300.h: Similarly.
7084 * config/ns32k/ns32k.h: Similarly.
7085 * config/pa/pa.h: Similarly.
7086 * config/pdp11/pdp11.h: Similarly.
7087 * config/pj/pj.h: Similarly.
7088 * config/romp/romp.h: Similarly.
7089 * config/rs6000/rs6000.h: Similarly.
7090 * config/sh/sh.h: Similarly.
7091 * config/sparc/sparc.h: Similarly.
7092 * config/v850/v850.h: Similarly.
7093 * config/vax/vax.h: Similarly.
7094 * config/we32k/we32k.h: Similarly.
7096 2001-07-09 Joseph S. Myers <jsm28@cam.ac.uk>
7098 * doc/c-tree.texi: Document representation of attributes.
7100 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
7102 * doc/tm.texi: Update some places for the rename of target to
7105 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
7107 * target.h (struct gcc_target): Add insert_attributes.
7108 * target-def.h (TARGET_INSERT_ATTRIBUTES): Define.
7109 (TARGET_INITIALIZER): Update.
7110 * tree.c, tree.h (default_insert_attributes): New function.
7111 Update comments on other default functions to refer to targetm,
7113 * doc/tm.texi (INSERT_ATTRIBUTES): Update to document
7114 TARGET_INSERT_ATTRIBUTES.
7115 (SET_DEFAULT_DECL_ATTRIBUTES): Remove.
7116 * c-common.c (decl_attributes): Use targetm.insert_attributes.
7117 Don't use PRAGMA_INSERT_ATTRIBUTES.
7118 * Makefile.in (c-common.o): Depend on $(TARGET_H).
7119 * c-decl.c (start_decl, start_function): Don't call
7120 SET_DEFAULT_DECL_ATTRIBUTES.
7121 * config/c4x/c4x.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
7122 * config/c4x/c4x-protos.h (c4x_set_default_attributes): Don't
7124 * config/c4x/c4x.c (TARGET_INSERT_ATTRIBUTES): Define.
7125 (c4x_check_attribute): Avoid modifying attribute list itself.
7126 (c4x_set_default_attributes): Rename to c4x_insert_attributes.
7128 * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Don't define.
7129 * config/sh/sh-protos.h (sh_pragma_insert_attributes): Don't
7131 * config/sh/sh.c (TARGET_INSERT_ATTRIBUTES): Define.
7132 (sh_pragma_insert_attributes): Rename to sh_insert_attributes.
7134 * config/v850/v850.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
7135 * config/v850/v850-protos.h (v850_set_default_decl_attr): Don't
7137 * config/v850/v850.c (TARGET_INSERT_ATTRIBUTES): Define.
7138 (v850_set_default_decl_attr): Rename to v850_insert_attributes.
7139 Adjust parameters. Make static.
7141 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
7143 * c-common.c (decl_attributes): Only take a single attributes
7145 * c-common.h (decl_attributes): Update prototype.
7146 * c-decl.c (start_decl, start_function): Only take a single
7147 attributes parameter. Update calls to decl_attributes.
7148 (finish_struct, finish_enum): Update calls to decl_attributes.
7149 (push_parm_decl): Expect unified list of attributes. Update call
7151 * c-parse.in (fndef, initdcl, notype_initdcl, nested_function,
7152 notype_nested_function, component_declarator,
7153 component_notype_declarator, label): Update calls to
7155 (absdcl_maybe_attribute, parm, firstparm, myparm): Unify attribute
7156 lists that are passed to push_parm_decl.
7157 * c-tree.h (start_function, start_decl): Update prototypes.
7158 * config/sh/sh-protos.h, config/sh/sh.c
7159 (sh_pragma_insert_attributes): Only take a single attributes
7161 * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Likewise.
7162 * doc/tm.texi (INSERT_ATTRIBUTES): Update.
7163 * objc/objc-act.c (define_decl, generate_objc_symtab_decl,
7164 build_module_descriptor, generate_static_references,
7165 generate_strings, build_selector_translation_table,
7166 generate_descriptor_table, generate_protocols,
7167 generate_ivars_list, generate_dispatch_table,
7168 generate_protocol_list, generate_category,
7169 generate_shared_structures, really_start_method, add_objc_decls,
7170 generate_classref_translation_entry): Update calls to start_decl
7172 (build_tmp_function_decl, start_method_def): Unify attribute lists
7173 that are passed to push_parm_decl.
7175 2001-07-08 Neil Booth <neil@daikokuya.demon.co.uk>
7177 * final.c (no_asm_to_stream): New.
7178 (final_scan_insn): Use target structures for prologue ends
7179 and epilogue starts.
7180 * output.h (no_asm_to_stream): New.
7181 * target-def.h (TARGET_ASM_FUNCTION_END_PROLOGUE,
7182 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE): New.
7183 (TARGET_ASM_OUT): Update.
7184 * target.h (struct gcc_target): New members function_end_prologue
7185 and function_begin_epilogue.
7186 * config/1750/1750.h (ASM_OUTPUT_FUNNAM): Delete as unused.
7187 * config/alpha/alpha-protos.h (output_end_prologue): Delete.
7188 * config/alpha/alpha.c (output_end_prologue): Rename to
7189 alpha_output_function_end_prologue. Use in target struct
7191 * config/alpha/alpha.h (FUNCTION_END_PROLOGUE): Delete.
7192 * config/ia64/ia64-protos.h (ia64_output_end_prologue): Delete.
7193 * config/ia64/ia64.c (ia64_output_end_prologue): Rename to
7194 ia64_output_function_end_prologue. Use in target struct
7196 (ia64_function_prologue, ia64_funciton_epilogue): Rename
7197 mistyped prototypes.
7198 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE): Delete.
7199 * config/m88k/m88k-protos.h (m88k_end_prologue, m88k_begin_epilogue):
7201 * config/m88k/m88k.c (m88k_end_prologue, m88k_begin_epilogue): Rename
7202 an use in target struct, make static.
7203 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE, FUNCTION_BEGIN_EPILOGUE):
7206 2001-07-08 Richard Henderson <rth@redhat.com>
7208 * stmt.c (emit_case_nodes): Convert modes properly in low+high test.
7210 2001-07-08 Richard Henderson <rth@redhat.com>
7212 * config/i386/i386.md: Remove constraints strings from define_split
7213 and define_peephole2 patterns.
7214 (eh_return_si, eh_return_di): Split eh_return_1 for modes.
7215 (eh_return): Use them.
7217 2001-07-08 Richard Henderson <rth@redhat.com>
7219 * doc/tm.texi (Exception Handling): New subnode of Stack and Calling.
7220 Document MD_FALLBACK_FRAME_STATE_FOR.
7222 2001-07-07 Stephane Carrez <Stephane.Carrez@worldnet.fr>
7224 * config/m68hc11/m68hc11.c (m68hc11_initial_elimination_offset):
7225 Take into account m68hc11_sp_correction for FRAME_POINTER_REGNUM
7227 * config/m68hc11/m68hc11.h (STARTING_FRAME_OFFSET): Use 0.
7229 2001-07-07 Nick Clifton <nickc@cambridge.redhat.com>
7231 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Append # to end
7232 of the label inside NAME as opposed to just the end of NAME.
7234 2001-07-07 Neil Booth <neil@daikokuya.demon.co.uk>
7236 * config/alpha/alpha-protos.h (vms_valid_decl_attribute_p): Delete.
7237 * config/alpha/alpha.c (alpha_init_machine_status,
7238 alpha_mark_machine_status, alpha_free_machine_status): Delete.
7239 (TARGET_VALID_DECL_ATTRIBUTE): Define for VMS.
7240 (vms_valid_decl_attribute_p): Make static, conditionally compile.
7241 * config/alpha/alpha.h (VALID_MACHINE_DECL_ATTRIBUTE): Delete.
7243 2001-07-06 Stan Shebs <shebs@apple.com>
7245 * target.h (targetm): Rename global from "target", so as not to
7246 conflict with local variables.
7248 * c-typeck.c: Ditto.
7252 * cp/decl2.c: Ditto.
7253 * cp/typeck.c: Ditto.
7254 * 1750a/1750a.c: Ditto.
7255 * a29k/a29k.c: Ditto.
7259 * clipper/clipper.c: Ditto.
7260 * convex/convex.c: Ditto.
7261 * d30v/d30v.c: Ditto.
7262 * dsp16xx/dsp16xx.c: Ditto.
7263 * elxsi/elxsi.c: Ditto.
7264 * fr30/fr30.c: Ditto.
7265 * h8300/h8300.c: Ditto.
7266 * i370/i370.c: Ditto.
7267 * i386/i386.c: Ditto.
7268 * i860/i860.c: Ditto.
7269 * i960/i960.c: Ditto.
7270 * ia64/ia64.c: Ditto.
7271 * m32r/m32r.c: Ditto.
7272 * m68hc11/m68hc11.c: Ditto.
7273 * m68k/m68k.c: Ditto.
7274 * m88k/m88k.c: Ditto.
7275 * mips/mips.c: Ditto.
7276 * ns32k/ns32k.c: Ditto.
7278 * pdp11/pdp11.c: Ditto.
7279 * romp/romp.c: Ditto.
7280 * rs6000/rs6000.c: Ditto.
7282 * sparc/sparc.c: Ditto.
7284 * we32k/we32k.c: Ditto.
7285 * doc/tm.texi: Update the manual to match.
7287 2001-07-06 Richard Henderson <rth@redhat.com>
7289 * except.h (MUST_USE_SJLJ_EXCEPTIONS): Examine the value of
7290 DWARF2_UNWIND_INFO not just whether it is defined.
7292 2001-07-06 Diego Novillo <dnovillo@redhat.com>
7294 * combine.c (combine_simplify_rtx): Also recompute 'mode' if the
7295 call to simplify_binary_operation returns a new pattern.
7297 2001-07-06 Roman Lechtchinsky <rl@cs.tu-berlin.de>
7299 * glimits.h (__SHRT_MAX__): New.
7300 (SHRT_MIN, USHRT_MAX): Define in terms of SHRT_MAX.
7301 (SHRT_MAX): Define in terms of __SHRT_MAX__.
7303 2001-07-06 Jan van Male <jan.vanmale@fenk.wau.nl>
7305 * alias.c (base_alias_check): Cast GET_MODE_UNIT_SIZE to int to
7308 2001-07-06 Richard Henderson <rth@redhat.com>
7310 * bitmap.c (bitmap_release_memory): Move adjacent to the
7311 allocation functions.
7312 (bitmap_first_set_bit, bitmap_last_set_bit): Streamline knowing
7313 the implementation. Binary search for the set bit.
7314 (bitmap_union_of_diff): Allocate the temporary on the stack
7315 instead of using xmalloc.
7317 2001-07-06 Richard Henderson <rth@redhat.com>
7319 * genrecog.c (validate_pattern): Warn for constraints in
7320 define_{expand,split,peephole2}. Remove strict_low_part
7321 before looking up match_dup.
7323 2001-07-06 DJ Delorie <dj@redhat.com>
7325 * doc/gcc.texi (Makefile): Rename to be a more general purpose
7326 chapter about various build hints and history. Add section
7327 talking about the various types of native and cross builds.
7329 2001-07-06 Neil Booth <neil@daikokuya.demon.co.uk>
7331 * Makefile.in (final.o): Depend on target.h.
7332 * final.c: Include target.h.
7333 (default_function_pro_epilogue): New.
7334 (final_start_function): Use target structure for function prologues.
7335 (final_end_function): Use target structure for function epilogues.
7336 * fold-const.c (real_hex_to_f): Constify s and p.
7337 * output.h (default_function_pro_epilogue): New.
7338 * real.h (real_hex_to_f): Update prototype.
7339 * target-def.h (TARGET_ASM_FUNCTION_PROLOGUE,
7340 TARGET_ASM_FUNCTION_EPILOGUE, TARGET_ASM_OUT): New.
7341 (TARGET_INITIALIZER): Update.
7342 * target.h (gcc_target): Add struct asm_out.
7343 * doc/tm.texi: Update.
7346 Update each arch to use TARGET_ASM_FUNCTION_PROLOGUE and
7347 TARGET_ASM_FUNCTION_EPILOGUE. Move macro code to functions
7348 in cpu/cpu.c, or rename old functions consistently. Take
7349 a HOST_WIDE INT not an int as the SIZE parameter. Remove now
7350 redundant macros and prototypes. Make new functions static.
7352 * 1750a/1750a.c: Similarly.
7353 * 1750a/1750a.h: Similarly.
7354 * a29k/a29k-protos.h: Similarly.
7355 * a29k/a29k.c: Similarly.
7356 * a29k/a29k.h: Similarly.
7357 * arc/arc-protos.h: Similarly.
7358 * arc/arc.c: Similarly.
7359 * arc/arc.h: Similarly.
7360 * arm/arm-protos.h: Similarly.
7361 * arm/arm.c: Similarly.
7362 * arm/arm.h: Similarly.
7363 * avr/avr-protos.h: Similarly.
7364 * avr/avr.c: Similarly.
7365 * avr/avr.h: Similarly.
7366 * clipper/clipper-protos.h: Similarly.
7367 * clipper/clipper.c: Similarly.
7368 * clipper/clipper.h: Similarly.
7369 * convex/convex.c: Similarly.
7370 * convex/convex.h: Similarly.
7371 * d30v/d30v-protos.h: Similarly.
7372 * d30v/d30v.c: Similarly.
7373 * d30v/d30v.h: Similarly.
7374 * d30v/d30v.md: Similarly.
7375 * dsp16xx/dsp16xx-protos.h: Similarly.
7376 * dsp16xx/dsp16xx.c: Similarly.
7377 * dsp16xx/dsp16xx.h: Similarly.
7378 * elxsi/elxsi.c: Similarly.
7379 * elxsi/elxsi.h: Similarly.
7380 * fr30/fr30.c: Similarly.
7381 * fr30/fr30.md: Similarly.
7382 * h8300/h8300-protos.h: Similarly.
7383 * h8300/h8300.c: Similarly.
7384 * h8300/h8300.h: Similarly.
7385 * i370/i370-protos.h: Similarly.
7386 * i370/i370.c: Similarly.
7387 * i370/i370.h: Similarly.
7388 * i386/i386.c: Similarly.
7389 * i386/osf1elf.h: Similarly.
7390 * i386/osfrose.h: Similarly.
7391 * i860/i860-protos.h: Similarly.
7392 * i860/i860.c: Similarly.
7393 * i860/i860.h: Similarly.
7394 * i960/i960-protos.h: Similarly.
7395 * i960/i960.c: Similarly.
7396 * i960/i960.h: Similarly.
7397 * ia64/ia64-protos.h: Similarly.
7398 * ia64/ia64.c: Similarly.
7399 * ia64/ia64.h: Similarly.
7400 * m32r/m32r-protos.h: Similarly.
7401 * m32r/m32r.c: Similarly.
7402 * m32r/m32r.h: Similarly.
7403 * m68hc11/m68hc11-protos.h: Similarly.
7404 * m68hc11/m68hc11.c: Similarly.
7405 * m68hc11/m68hc11.h: Similarly.
7406 * m68k/crds.h: Similarly.
7407 * m68k/dpx2.h: Similarly.
7408 * m68k/m68k-protos.h: Similarly.
7409 * m68k/m68k.c: Similarly.
7410 * m68k/m68k.h: Similarly.
7411 * m68k/news.h: Similarly.
7412 * m88k/m88k-protos.h: Similarly.
7413 * m88k/m88k.c: Similarly.
7414 * m88k/m88k.h: Similarly.
7415 * mips/mips-protos.h: Similarly.
7416 * mips/mips.c: Similarly.
7417 * mips/mips.h: Similarly.
7418 * ns32k/merlin.h: Similarly.
7419 * ns32k/ns32k.c: Similarly.
7420 * ns32k/ns32k.h: Similarly.
7421 * ns32k/tek6000.h: Similarly.
7422 * pa/pa-protos.h: Similarly.
7423 * pa/pa.c: Similarly.
7424 * pa/pa.h: Similarly.
7425 * pdp11/2bsd.h: Similarly.
7426 * pdp11/pdp11-protos.h: Similarly.
7427 * pdp11/pdp11.c: Similarly.
7428 * pdp11/pdp11.h: Similarly.
7429 * romp/romp-protos.h: Similarly.
7430 * romp/romp.c: Similarly.
7431 * romp/romp.h: Similarly.
7432 * rs6000/rs6000-protos.h: Similarly.
7433 * rs6000/rs6000.c: Similarly.
7434 * rs6000/rs6000.h: Similarly.
7435 * rs6000/sysv4.h: Similarly.
7436 * sh/sh-protos.h: Similarly.
7437 * sh/sh.c: Similarly.
7438 * sh/sh.h: Similarly.
7439 * sparc/sparc-protos.h: Similarly.
7440 * sparc/sparc.c: Similarly.
7441 * sparc/sparc.h: Similarly.
7442 * vax/vax.c: Similarly.
7443 * vax/vax.h: Similarly.
7444 * vax/vms.h: Similarly.
7445 * we32k/we32k.c: Similarly.
7446 * we32k/we32k.h: Similarly.
7448 Fri Jul 6 11:47:59 2001 Jeffrey A Law (law@cygnus.com)
7450 * basic-block.h (first_insn_after_basic_block_note): Declare.
7451 * flow.c (first_insn_after_basic_block_note): Define. Moved
7453 * ssa.c (first_insn_after_basic_block_note): Remove.
7454 * ssa-dce.c (find_inherently_necessary): Consider BARRIERs
7456 (ssa_eliminate_dead_code): Properly update the CFG and PHI
7457 nodes when we find a dead conditional branch. Insert BARRIERs
7458 after any blocks with no successors, but which do not have
7461 2001-07-06 Zack Weinberg <zackw@stanford.edu>
7463 * varray.c (varray_check_failed): Use internal_error.
7465 2001-07-05 Andrew Haley <aph@redhat.com>
7467 * Makefile.in (LIB2_DIVMOD_FUNCS): New.
7468 (LIB2FUNCS): Move divmod functions to LIB2_DIVMOD_FUNCS.
7469 * mklibgcc.in: Compile LIB2_DIVMOD_FUNCS.
7471 2001-07-02 Jason Merrill <jason_merrill@redhat.com>
7473 * dwarf2out.c (mem_loc_descriptor): Only look through a constant pool
7474 reference if the target constant is also a SYMBOL_REF.
7476 2001-07-05 Eric Christopher <echristo@redhat.com>
7478 * config/mips/mips.h (MASK_MIPS3900): Remove.
7479 (MASK_MIPS16,MASK_NO_CHECK_ZERO_DIV,MASK_CHECK_RANGE_DIV,
7480 MASK_UNINIT_CONST_IN_RODATA): Change for 3900 mask removal.
7481 (TARGET_MIPS3900): Change to use mips_arch.
7482 (TARGET_MIPS4000): New.
7483 (TARGET_MIPS4100): New.
7484 (TARGET_MIPS4300): New.
7485 (TARGET_SWITCHES): Change 3900 and 4650 options to NULL.
7486 (SUBTARGET_TARGET_OPTIONS): Add -march. Change help text
7488 (GENERATE_BRANCHLIKELY): Move TARGET_MIPS3900.
7489 (ISA_HAS_BRANCHLIKELY): To here.
7490 (CC1_CPU_SPEC): New.
7491 (CC1_SPEC): Use here. Remove 4650 and 3900 options.
7492 (mips_arch_string): Declare.
7493 (mips_arch): Declare.
7494 (TARGET_OPTIONS): Add -march and -mtune.
7496 * config/mips/mips.c (mips_arch_string): New.
7498 (override_options): Handle -march for codegen and -mtune
7499 for scheduling. Use mips_arch. Move tx39 target default here.
7500 (mips_parse_cpu): Move error message to override_options.
7502 * config/mips/r3900.h (TARGET_DEFAULT): Remove.
7504 * config/mips/mips.md: Use TARGET_MIPS4000 and TARGET_MIPS4300.
7506 * doc/invoke.texi (Option Summary): Add -march and -mtune entries.
7507 (MIPS Options): Ditto. Change mcpu entry to historical text.
7509 2001-07-05 H.J. Lu (hjl@gnu.org)
7511 * config/mips/mips.c (mips_parse_cpu): New function to parse
7514 2001-07-05 Jim Wilson <wilson@redhat.com>
7516 * config/ia64/lib1funcs.asm: Revert 2001-07-02 change.
7517 * config/ia64/t-ia64: Likewise.
7518 (LIB1ASMFUNCS): Update comment.
7520 2001-07-05 David Edelsohn <edelsohn@gnu.org>
7522 * doc/install.texi (Install GCC: Binaries): Fix typo.
7524 2001-07-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
7526 * config/m68hc11/m68hc11.md ("*ashlsi3"): Operand 1 can be a memory
7527 reference using the stack pointer, adjust it since we push Y
7529 ("*ashrsi3"): Likewise.
7530 ("*lshrsi3"): Likewise.
7532 2001-07-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
7534 * config/m68hc11/m68hc11.h (RETURN_ADDR_RTX): Fix return address
7535 when -fomit-frame-pointer is used.
7537 2001-07-05 Jeffrey Oldham <oldham@codesourcery.com>
7539 * flow.c: Reverse Jan Hubicka's patch of 02July2001.
7540 (try_redirect_by_replacing_jump): Reverse updating properly the
7541 count and frequency information. Reverse removing cc0 setter.
7542 (forwarder_block_p): Reverse fixing for fallthru blocks.
7544 2001-07-05 DJ Delorie <dj@redhat.com>
7546 * gcc.c (TARGET_OPTION_TRANSLATE_TABLE): New.
7547 (translate_options): If the above is defined, use it to map
7548 given options to new options.
7549 * doc/tm.texi: Document it.
7551 2001-07-05 Brad Lucier <lucier@math.purdue.edu>
7552 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
7554 * doc/invoke.texi (Optimize Options): Document that -fgcse may
7555 cause programs using computed gotos to run more slowly.
7557 2001-07-05 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7559 * doc/install.texi (Specific): Markup, spelling and typo fixes.
7561 Consistently require binutils 2.11.2, not prereleases.
7562 (Specific, decstation-*): Canonicalize as mips-dec-*.
7563 (Specific, i?86-*-sco3.2v5*): Remove make bootstrap requirement,
7565 (Specific, m68k-altos): Removed reference to README.altos, deleted.
7566 (Specific, mips-*): Reword MIPS C compiler requirements.
7567 (Specific, powerpc*-*-*): New, mention --with-cpu once.
7568 (Specific, sunv5): Removed, obsolete.
7570 2001-07-05 Nathan Sidwell <nathan@codesourcery.com>
7572 * dwarf2out.c (output_loc_list): Use an all ones mask for
7573 .text asm output and don't rely on long long
7574 literals. Reformat some long lines.
7576 2001-07-05 Andreas Jaeger <aj@suse.de>
7578 * doc/gcc.texi (GNU/Linux): Remove accidental re-add of GPL
7581 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
7583 * dwarf2out.c (dwarf2out_define): Update comment.
7584 (dwarf2out_undef): Ditto.
7585 (dwarf2out_start_source_file): Ditto.
7586 (dwarf2out_end_source_file): Ditto.
7587 (dwarf2out_finish): Output DW_MACINFO_end_file for primary file,
7588 since we never call the start/end debug hook for the primary file.
7590 2001-07-04 Kazu Hirata <kazu@hxi.com>
7592 * config/h8300/h8300.c (get_shift_alg): Remove an extra operand
7595 2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
7597 * cppinit.c (remove_dup_dirs): Inform if a system include
7598 directory is being reordered.
7599 * doc/invoke.texi (Directory Options): GCC warns if you hide a
7601 * doc/cpp.texi (Search Paths): Likewise.
7602 * doc/gcc.texi (Interoperation): Remove information about
7605 2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
7607 * varray.h (VARRAY_TOP_GENERIC_PTR): Remove spurious parameter.
7608 (VARRAY_TOP_CHAR_PTR): Likewise.
7610 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7612 * gcc.c (process_command): Don't assign elements of a const char*.
7614 Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7616 * emit-rtl.c (change_address): Don't abort if invalid address while
7617 reload is in progress.
7619 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
7621 * c-lex.c (cb_file_change): Pass line number to
7622 debug_start_source_file.
7623 (cb_undefine): Pass correct line number to debug_undef.
7625 * toplev.c (debug_start_source_file): Add line number to
7626 parameters. Pass it along to dwarf2out_start_source_file.
7627 (decode_g_option): Stop resetting debug level back to normal when
7628 we change debug formats, unless the current level is
7629 none. (Before, -g3 -gdwarf-2 would use debug level 2, rather than
7632 * toplev.h (debug_start_source_file): Add line number to
7635 * dwarf2out.h (dwarf2out_start_source_file): Add line number to
7638 * dwarf2out.c (dwarf2out_start_source_file): Add line number to
7640 Output debug_macinfo data for starting file if requested.
7641 (dwarf2out_end_source_file): Output debug_macinfo data for ending
7643 (dwarf2out_define): Output debug_macinfo data for defining a macro
7645 (dwarf2out_undef): Output debug_macinfo data for undefining a
7647 (DEBUG_MACINFO_SECTION): New. DWARF2 macro info section name.
7648 (DEBUG_MACINFO_SECTION_LABEL): New. DWARF2 macro info section label.
7649 (macinfo_section_label): New. DWARF2 macro info section label.
7650 (dwarf2out_init): If we want macro info, output the start label
7652 (dwarf2out_finish): If we want macro info, add a DW_AT_macro_info
7653 attribute to the compilation unit die pointing to the macro info.
7655 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
7657 * dwarf2out.c (new_loc_list): Move to inside #ifdef
7658 DWARF2_DEBUGGING_INFO.
7659 (add_loc_descr_to_loc_list): Ditto.
7660 (output_loc_list): Ditto.
7661 Also, fix thinko in curr not being initialized.
7662 (gen_internal_sym): Ditto.
7664 Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7666 * emit-rtl.c (replace_equiv_address): New function.
7667 * expr.h (replace_equiv_address): New declaration.
7668 * explow.c (validize_mem): Call it instead of change_address and
7669 also call if -fforce-addr and address is constant.
7670 * expr.c: Replace more calls to change_address with adjust_address
7671 and/or replace_equiv_address or to validize_mem.
7672 * function.c, regmove.c, config/alpha/alpha.c: Likewise.
7673 * config/arm/arm.md, config/clipper/clipper.md: Likewise.
7674 * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
7675 * config/i370/i370.md, config/i860/i860.md: Likewise.
7676 * config/i960/i960.md, config/mips/mips.c: Likewise.
7677 * config/mips/mips.md, config/pa/pa.md: Likewise.
7678 * config/pdp11/pdp11.md, config/rs6000/rs6000.c: Likewise.
7679 * config/rs6000/rs6000.md, config/sh/sh.md: Likewise.
7681 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7683 * bitmap.c (bitmap_union_of_diff): Don't use BITMAP_ALLOCA.
7685 * bitmap.h (BITMAP_ALLOCA): Don't pass alloca as an argument to a
7688 2001-07-04 Joseph S. Myers <jsm28@cam.ac.uk>
7690 * doc/include: New directory.
7691 * doc/fdl.texi: Move to doc/include/fdl.texi.
7692 * doc/texinfo.tex: Move to doc/include/texinfo.tex.
7693 * doc/include/funding.texi, doc/include/gpl.texi: New files.
7694 * doc/gcc.texi: Use funding.texi and gpl.texi.
7695 * Makefile.in ($(docdir)/cpp.info, $(docdir)/gcc.info,
7696 $(docdir)/cppinternals.info, cpp.dvi. gcc.dvi. cppinternals.dvi):
7697 Update dependencies and use -I $(docdir)/include.
7699 2001-07-04 Anthony Green <green@redhat.com>
7701 * config/v850/t-v850 (v850-c.o): Add missing dependencies.
7703 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
7705 * doc/install.texi (sparc64-*-*): Remove garbage.
7707 Wed Jul 4 09:07:44 2001 Jan van Male <jan.vanmale@fenk.wau.nl>
7709 * i386.c (ix86_expand_builtin, case IX86_BUILTIN_SETPS):
7710 Fix typo in last change to use adjust_address.
7712 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
7714 * doc/install.texi (Specific): Update information for *-*-solaris*.
7716 Tue Jul 3 22:33:15 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7718 * explow.c (plus_constant_wide): Reinitialize Y for restart.
7720 2001-07-03 Stan Shebs <shebs@apple.com>
7722 * config/darwin.h (SECTION_FUNCTION): Remove WAS_TEXT argument, remove
7723 case for flag_no_mach_text_sections.
7724 (EXTRA_SECTION_FUNCTIONS): Remove arg from uses of SECTION_FUNCTION.
7725 * config/darwin.c (flag_no_mach_text_sections): Remove.
7726 * config/darwin-protos.h (darwin_init_pragma): Remove decl.
7728 Tue Jul 3 15:35:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7730 * explow.c (plus_constant_wide, case PLUS): Call find_constant_term
7731 and avoid checking for constant as first operand.
7732 * recog.c (find_constant_term_loc): No longer static.
7733 (adj_offettable_operand): Delete.
7734 * rtl.h (adj_offsettable_operand): Delete declaration.
7735 (find_constant_term): Add declaration.
7736 * caller-save.c: Replace calls to adj_offsettable_operand with calls
7738 * config/arm/arm.c, config/c4x/c4x.c: Likewise.
7739 * config/clipper/clipper.md, config/h8300/h8300.c: Likewise.
7740 * config/i386/i386.c, config/i386/i386.md: Likewise.
7741 * config/i860/i860.c, config/i960/i960.c: Likewise.
7742 * config/i960/i960.md, config/m68hc11/m68hc11.c: Likewise.
7743 * config/m68k/m68k.c, config/m68k/m68k.md: Likewise.
7744 * config/m88k/m88k.md, config/mcore/mcore.c: Likewise.
7745 * config/mips/mips.c, config/mips/mips.md: Likewise.
7746 * config/mn10200/mn10200.c, config/mn10300/mn10300.c: Likewise.
7747 * config/ns32k/ns32k.c, config/ns32k/ns32k.md: Likewise.
7748 * config/pa/pa.c, config/pdp11/pdp11.c: Likewise.
7749 * config/pdp11/pdp11.md, config/sh/sh.c, config/v850/v850.c: Likewise.
7750 * config/vax/vax.md, config/ns32k/ns32k.c: Likewise.
7751 * config/ns32k/ns32k.md: Likewise.
7753 2001-07-03 Zack Weinberg <zackw@stanford.edu>
7755 * rtl.c (copy_rtx): Handle 'T' format letter.
7756 * gensupport.c (collect_insn_data): Likewise.
7757 * print-rtl.c (print_rtx): Print 'T' slots like 's'.
7759 2001-07-03 Nick Clifton <nickc@cambridge.redhat.com>
7761 * doc/invoke.texi (Directory Options): Specifiy range for <N> in
7762 -B option. Use 'dir' not 'foo' as example directory name.
7764 2001-07-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7766 * config/i386/sol2.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
7767 Fixes PRs bootstrap/3067, bootstrap/3249, bootstrap/3275.
7769 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
7771 * doc/cppinternals.texi: Improve formatting and logical markup.
7773 2001-07-03 Andreas Jaeger <aj@suse.de>
7775 * Makefile.in (insn-recog.o): Add dependency on reload.h.
7777 * genrecog.c (write_header): Include reload.h for prototypes in
7780 2001-07-03 Neil Booth <neil@daikokuya.demon.co.uk>
7783 * i386/cygwin.h (VALID_MACHINE_DECL_ATTRIBUTE,
7784 VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
7785 * i386/i386-protos.h (i386_pe_valid_decl_attribute_p,
7786 i386_pe_valid_type_attribute_p): Add.
7787 * i386/i386.c (TARGET_INITIALIZER): Override for cygwin targets.
7788 * i386/winnt.c (i386_valid_decl_attribute_p): Return directly.
7790 Mon Jul 2 21:52:19 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7792 * explow.c (plus_constant_wide, case LO_SUM): New case.
7793 (plus_constant_for_output_wide): Delete.
7794 * rtl.h (plus_constant_for_output): Delete.
7795 * alias.c (canon_rtx, init_alias_analysis): Call plus_constant
7796 instead of plus_constant_for_output.
7797 * recog.c (offsettable_address_p, adj_offsettable_operand): Likewise.
7798 * config/darwin.c, config/arm/arm.c, config/m68k/m68k.c: Likewise.
7799 * config/m88k/m88k.c, config/mips/mips.c, config/pa/pa.c: Likewise.
7800 * config/rs6000/rs6000.c, config/sparc/sparc.c: Likewise.
7801 * config/sparc/sparc.md: Likewise.
7802 Convert some change_address calls to adjust_address.
7804 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
7806 * doc/extend.texi, doc/gcc.texi, doc/invoke.texi, doc/md.texi,
7807 doc/rtl.texi, doc/tm.texi: Improve formatting. Improve
7808 documentation of -std and -Wwrite-strings.
7810 2001-07-02 Geoffrey Keating <geoffk@redhat.com>
7812 * cse.c (canon_hash): Don't register registers in very small
7813 register classes, as extending their lifetime might cause
7816 Mon Jul 2 23:14:00 CEST 2001 Jan Hubicka <jh@suse.cz>
7818 * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
7820 * flow.c (forwarder_block_p): Fix for fallthru blocks.
7821 (try_redirect_by_replacing_jump): Update properly the count
7822 and frequency information.
7824 Mon Jul 2 14:20:13 2001 Jeffrey A Law (law@cygnus.com)
7826 * toplev.c (dump_file_index): Move SSA dumps just after first
7828 (dump_file): Corresponding changes.
7829 (rest_of_compilation): Move SSA path to just after the first
7831 * doc/gcc.texi (Passes): Update due to movement of SSA path.
7832 * doc/invoke.texi: Update dump file #s as they were completely
7833 out of date with reality.
7835 2001-07-02 Geoffrey Keating <geoffk@redhat.com>
7837 * doc/tm.texi (Frame Layout): Document STACK_PUSH_CODE.
7839 * expr.c (emit_move_insn_1): Deal with non-default
7842 * expr.c (emit_single_push_insn): Fix warning.
7844 2001-07-02 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
7846 * expr.c (emit_move_insn_1): Avoid modifying
7847 cfun->expr->x_stack_pointer when PUSH_ROUNDING is defined.
7849 Mon Jul 2 15:33:31 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7851 * emit-rtl.c (adjust_address): New function.
7852 * expr.h (adjust_address): Add declaration.
7853 * builtins.c: Replace some calls to change_address with calls to it
7855 * caller-save.c, dwarf2out.c, except.c, expmed.c, expr.c: Likewise.
7856 * function.c, config/a29k/a29k.md, config/alpha/alpha.c: Likewise.
7857 * config/arm/arm.c, config/convex/convex.c: Likewise.
7858 * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
7859 * config/i386/i386.c, config/i386/i386.md: Likewise.
7860 * config/ia64/ia64.c, config/ia64/ia64.md: Likewise.
7861 * config/m32r/m32r.c, config/m68k/m68k.md: Likewise.
7862 * config/m88k/m88k.c, config/mips/mips.md: Likewise.
7863 * config/ns32k/ns32k.c, config/rs6000/rs6000.c: Likewise.
7864 * config/sh/sh.c, config/sparc/sparc.md: Likewise.
7866 2001-07-02 Jim Wilson <wilson@redhat.com>
7868 * config/ia64/ia64.h: Delete obsolete lib1funcs.asm comment.
7870 2001-07-02 Steve Ellcey <sje@cup.hp.com>
7872 * config/ia64/t-ia64: Change LIB1ASMFUNCS to use single underscore.
7873 * config/ia64/lib1funcs.asm: Change macro names to match t-ia64.
7875 2001-07-02 Zack Weinberg <zackw@stanford.edu>
7877 * cppinit.c (lang_defaults): New table.
7878 (set_lang): Just read from lang_defaults into the live options
7881 2001-07-02 Zack Weinberg <zackw@stanford.edu>
7883 * Makefile.in (doc): Depend on $(GENERATED_MANPAGES).
7884 * doc/.cvsignore: Add gcc.1, cpp.1, gcov.1.
7885 * doc/gcc.1, doc/cpp.1, doc/gcov.1: Removed.
7887 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7889 * doc/install.texi: Various spelling and markup fixes.
7890 (Installing GCC): Component specific installation instructions are
7893 Warn about removing old install dir in the presence of shared libs.
7894 (Configuration): Invoke with options target to match configure
7896 Consistently refer to gas, gld pathnames.
7897 Invert --enable-multilib documentation.
7898 Remove references to old compiler versions.
7900 Mon Jul 2 12:50:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7902 * flow.c (try_simplify_condjump): Fix typo in updating fallthru flags.
7904 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7906 * doc/install.texi (Specific, mips*-sgi-irix4): Split from IRIX 5
7908 (Specific, mips*-sgi-irix5): Note IDO download.
7909 Reworded MIPS C hints.
7910 Use GNU as instead of GAS.
7912 Removed SGI Freeware reference, IRIX 6 only.
7913 (Specific, mips*-sgi-irix6): Removed ranlib caveats, obsolete.
7914 Note N64 library requirement/workaround.
7916 Complete list of structure passing bug victims.
7918 2001-07-02 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
7920 * doc/install.texi: Remove CVS Id.
7922 2001-07-02 Andreas Jaeger <aj@suse.de>
7924 * ssa-dce.c (note_inherently_necessary_set): Add unused attribute.
7925 (find_inherently_necessary): Remove unused variable.
7927 2001-07-02 Nathan Sidwell <nathan@codesourcery.com>
7929 * c-common.h (TDI_inlined): New ast dump phase.
7930 (dump_flag_name): New function.
7931 * c-dump.c (dump_files): Add inlined phase.
7932 (dump_flag_name): Define.
7933 * doc/invoke.texi (-fdump-ast-inlined): Document.
7935 Mon Jul 2 06:29:36 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7937 * stor-layout.c (layout_decl): Revert change to handling of alignment
7940 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7942 * c-common.c (decl_attributes, case A_MODE): Don't call layout_decl
7945 2001-07-01 Geoffrey Keating <geoffk@redhat.com>
7947 * doc/tm.texi (FUNCTION_ARG): Document that the last call
7950 2001-07-01 Nathan Sidwell <nathan@codesourcery.com>
7952 * tlink.c (recompile_files): Remove COMPILER_PATH and
7953 LIBRARY_PATH from the environment.
7955 2001-07-01 Zack Weinberg <zackw@stanford.edu>
7957 * c-common.h (enum rid): Add RID_FIRST_AT, RID_LAST_AT,
7958 RID_LAST_PQ. Move RID_FIRST_PQ down with the other FIRST/LAST
7960 (OBJC_IS_AT_KEYWORD, OBJC_IS_PQ_KEYWORD): New macros.
7962 * c-parse.in (OBJC_STRING): Kill.
7963 (objc_string): Decompose to [objc_string] '@' STRING.
7964 (reswords): Take the leading '@' off all the Objective C keywords.
7965 (objc_rid_sans_at): Kill.
7966 (init_reswords): Don't initialize it.
7967 (yylexname): Use OBJC_IS_AT_KEYWORD and OBJC_IS_PQ_KEYWORD.
7968 (_yylex): Kill reconsider label. Look ahead one token after
7969 an '@'; if we get an identifier, check whether it's an
7970 Objective C @-keyword. If so, return the keyword. Otherwise,
7971 put back the token and return the '@' as a terminal.
7973 * cpplib.c (lex_macro_node): Remove unnecessary check for
7974 leading '@' on identifier. Clarify control flow and commentary.
7976 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7978 * cse.c (new_label_ref): Variable deleted.
7979 (insert): Remove set of new_label_ref.
7980 (check_for_label_ref): New function.
7981 (cse_basic_block): Don't check new_label_ref; call check_for_label_ref.
7983 See ChangeLog.5 for earlier changes.