| blob | 7951f9f367e0d4611b1f7ebc43e246bff6c8695a |
1 2005-12-14 J"orn Rennecke <joern.rennecke@st.com>
3 PR bootstrap/25397:
5 * struct-equiv.c (struct_equiv_init): Fix off-by-one error in clearing
6 of STACK_REGS bits.
8 * struct-euiv.c (rtx_equiv_p): Remove SUBREG case.
10 2005-12-14 Jakub Jelinek <jakub@redhat.com>
12 PR target/25254
13 PR target/24188
14 * config/i386/i386.c (x86_64_elf_select_section): If DECL is not
15 DECL_P, call get_section rather than get_named_section. Supply
16 section flags to it.
18 2005-12-14 Ben Elliston <bje@au.ibm.com>
20 * c-common.c (c_common_truthvalue_conversion): Generalise warning
21 for addresses converted to booleans; not just function addresses.
22 * c-typeck.c (build_binary_op): Warn for address comparisons which
23 can never be NULL (eg. func == NULL or &var == NULL).
24 * common.opt (Walways-true): New option.
25 * c-opts.c (c_common_handle_option): Set it with -Wall.
26 * doc/invoke.texi: Document it.
28 2005-12-13 Paul Brook <paul@codesourcery.com>
30 * config/m68k/fpgnulib.c (__unordsf2, __unorddf2, __unordxf2,
31 __floatunsidf, __floatunsisf, __floatunsixf): New functions.
33 2005-12-13 Nathan Sidwell <nathan@codesourcery.com>
35 * config/mt/t-mt (crti.o, crtn.o): Add multilib options.
36 (EXTRA_MULTILIB_PARTS): Define.
38 2005-12-13 J"orn Rennecke <joern.rennecke@st.com>
40 PR rtl-optimization/20070 / part1
41 * flow.c (update_life_info): If PROP_POST_REGSTACK is set, call
42 count_or_remove_death_notes with kill == -1.
43 (mark_set_1): Don't add REG_DEAD / REG_UNUSED notes for stack
44 registers if PROP_POST_REGSTACK is set.
45 (mark_used_reg): Likewise.
46 (count_or_remove_death_notes): If kill is -1, don't remove REG_DEAD /
47 REG_UNUSED notes for stack regs.
48 * cfgcleanup.c (condjump_equiv_p): Change parameters and processing
49 to match rtx_equiv_p machinery. Change caller.
50 (outgoing_edges_match): Likewise.
51 (try_crossjump_to_edge): Use struct_equiv_block_eq
52 instead of flow_find_cross_jump.
53 * basic-block.h (PROP_POST_REGSTACK, STRUCT_EQUIV_START): Define.
54 (STRUCT_EQUIV_RERUN, STRUCT_EQUIV_FINAL): Likewise.
55 (STRUCT_EQUIV_NEED_FULL_BLOCK, STRUCT_EQUIV_MATCH_JUMPS): Likewise.
56 (STRUCT_EQUIV_MAX_LOCAL): Likewise.
57 (struct struct_equiv_checkpoint, struct equiv_info): Likewise.
58 (insns_match_p): Update prototype.
59 (flow_find_cross_jump): Remove prototype.
60 (struct_equiv_block_eq, struct_equiv_init): Declare.
61 (rtx_equiv_p, condjump_equiv_p): Likewise.
62 * struct-equiv.c: Include reload.h.
63 (IMPOSSIBLE_MOVE_FACTOR): Define.
64 (assign_reg_reg_set, struct_equiv_make_checkpoint): New functions.
65 (struct_equiv_improve_checkpoint): Likewise.
66 (struct_equiv_restore_checkpoint, rtx_equiv_p): Likewise.
67 (set_dest_equiv_p, set_dest_addr_equiv_p, struct_equiv_init): Likewise.
68 (struct_equiv_merge, find_dying_input): Likewise.
69 (resolve_input_conflict, note_local_live): Likewise.
70 (death_notes_match_p): Change parameters and processing
71 to match rtx_equiv_p machinery. Change caller.
72 (insns_match_p): Likewise.
73 (flow_find_cross_jump): Replace with:
74 (struct_equiv_block_eq).
76 Back out this change:
77 2005-03-07 Kazu Hirata <kazu@cs.umass.edu>
78 * recog.c (verify_changes): Make it static.
79 * recog.h: Remove the corresponding prototype.
81 2005-12-13 J"orn Rennecke <joern.rennecke@st.com>
83 * rtlhooks.c (gen_lowpart_general): Handle SUBREGs of floating point
84 values.
86 2005-12-13 Nathan Sidwell <nathan@codesourcery.com>
88 * config/mt/t-mt (MULTILIB_OPTIONS): Add ms2
89 (MULTILIB_DIRNAMES): Add ms2. Prefix ms1 dirs with 'ms1'.
90 * config/mt/mt.c (ms1_final_prescan): Use TARGET_MS2,
91 TARGET_MS1_64_001 appropriately.
92 (ms1_machine_reorg): Use TARGET_MS2.
94 2005-12-13 Jakub Jelinek <jakub@redhat.com>
96 PR debug/25023
97 PR target/25293
98 * expr.c (emit_move_resolve_push): Handle PRE_MODIFY
99 and POST_MODIFY with CONST_INT adjustment equal to PUSH_ROUNDING.
100 Fix POST_INC/POST_DEC handling if PUSH_ROUNDING is not identity.
101 * config/i386/i386.md (pushhi2, pushqi2): Use pushl instead of pushw.
102 Set mode to SI, adjust constraints.
103 (pushhi2_rex64, pushqi2_rex64): Set mode to DI.
104 * config/i386/i386.h (PUSH_ROUNDING): Round up to 4 instead of 2 for
105 32-bit code.
107 2005-12-13 Carlos O'Donell <carlos@codesourcery.com>
109 * c-cppbuiltin.c (builtin_define_float_constants): Add
110 fp_cast parameter, pass to builtin_define_with_hex_fp_value.
111 Define __FLT_HAS_DENORM__, __DBL_HAS_DENORM__, __LDBL_HAS_DENORM__.
112 (builtin_define_with_hex_fp_value): Use fp_cast when building macro.
113 (c_cpp_builtins): If flag_single_precision_constant then set fp_cast
114 to "((double)%sL)" otherwise "%s".
116 2005-12-13 Paul Brook <paul@codesourcery.com>
118 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Pass -meabi=gnu for
119 apcs/atpcs.
121 2005-12-11 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
123 * tree-flow.h: Allow compilation with a C++ compiler.
124 (struct edge_prediction): Prefix all field names with "ep_".
125 * predict.c (tree_predicted_by_p): Likewise for struct edge_prediction.
126 (tree_predict_edge, combine_predictions_for_bb): Likewise.
127 (remove_predictions_associated_with_edge): Likewise.
129 2005-12-12 Jeff Law <law@redhat.com>
131 * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Remove
132 reassociation code.
133 * passes.c (init_optimization_passes): Run reassociation again
134 after loop optimizations.
136 2005-12-12 Daniel Berlin <dberlin@dberlin.org>
138 * tree-ssa-dom.c (thread_across_edge): Canonicalize condition
139 if necessary.
140 (optimize_stmt): Ditto.
141 (canonicalize_comparison): New function.
142 * tree-ssa-operands.c (swap_tree_operands): Make external.
143 (get_expr_operands): Stop auto-canonicalization.
144 * tree-ssa-reassoc.c: Rewrite.
145 (init_optimization_passes):
146 * tree-flow.h (swap_tree_operands): Prototype.
147 * Makefile.in (tree-ssa-reassoc.o): Update dependencies.
149 2005-12-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
151 * pa.c (pa_output_function_epilogue): Set cfun->machine->in_nsubspa to
152 indicate function epilogue has been output.
153 (pa_asm_output_mi_thunk): Likewise.
154 (output_deferred_plabels): Put plabels in readonly data section when
155 not generating PIC code.
156 (som_output_text_section_asm_op): Use .NSUBSPA to output debug
157 information. Add assert.
158 (som_output_comdat_data_section_asm_op): New function.
159 (pa_som_asm_init_sections): Use som_output_comdat_data_section_asm_op
160 instead of output_section_asm_op for COMDAT sections.
162 2005-12-12 J"orn Rennecke <joern.rennecke@st.com>
164 * cfgcleanup.c (condjump_equiv_p, try_crossjump_to_edge):
165 Fix whitespace in vincinity of to-be-installed changes.
166 * struct-equiv.c (merge_memattrs, death_notes_match_p): Fix whitespace.
167 (insns_match_p): Likewise.
169 2005-12-12 Nathan Sidwell <nathan@codesourcery.com>
171 * config.gcc (ms1): Replace with ...
172 (mt): ... this.
173 * config/ms1: Rename to ...
174 * config/mt: ... here. Rename ms1 files to mt.
175 * config/mt/mt.c: Adjust gt-mt.h #include.
176 * config/mt/t-mt (LIB1ASMSRCS, LIB2FUNCS_EXTRA): Adjust.
177 (crti.o, crtn.o): Adjust file names.
179 2005-12-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
181 * varray.h: Allow compilation with a C++ compiler.
182 (union varray_data_tag): Prefix all field names with "vdt_".
183 (VARRAY_CHAR, VARRAY_UCHAR, VARRAY_SHORT, VARRAY_USHORT,
184 VARRAY_INT, VARRAY_UINT, VARRAY_LONG, VARRAY_ULONG,
185 VARRAY_WIDE_INT, VARRAY_UWIDE_INT, VARRAY_GENERIC_PTR,
186 VARRAY_GENERIC_PTR_NOGC, VARRAY_CHAR_PTR, VARRAY_RTX,
187 VARRAY_RTVEC, VARRAY_TREE, VARRAY_BITMAP, VARRAY_REG, VARRAY_BB,
188 VARRAY_ELT_LIST, VARRAY_EDGE, VARRAY_TREE_PTR): Adjust definition.
189 (VARRAY_PUSH_CHAR, VARRAY_PUSH_UCHAR, VARRAY_PUSH_SHORT,
190 VARRAY_PUSH_USHORT, VARRAY_PUSH_INT, VARRAY_PUSH_UINT,
191 VARRAY_PUSH_LONG, VARRAY_PUSH_ULONG, VARRAY_PUSH_WIDE_INT,
192 VARRAY_PUSH_UWIDE_INT, VARRAY_PUSH_GENERIC_PTR,
193 VARRAY_PUSH_GENERIC_PTR_NOGC, VARRAY_PUSH_CHAR_PTR,
194 VARRAY_PUSH_RTX, VARRAY_PUSH_RTVEC, VARRAY_PUSH_TREE,
195 VARRAY_PUSH_BITMAP, VARRAY_PUSH_REG, VARRAY_PUSH_BB,
196 VARRAY_PUSH_EDGE, VARRAY_PUSH_TREE_PTR): Likewise.
197 (VARRAY_TOP_CHAR, VARRAY_TOP_UCHAR, VARRAY_TOP_SHORT,
198 VARRAY_TOP_USHORT, VARRAY_TOP_INT, VARRAY_TOP_UINT,
199 VARRAY_TOP_LONG, VARRAY_TOP_ULONG, VARRAY_TOP_WIDE_INT,
200 VARRAY_TOP_UWIDE_INT, VARRAY_TOP_GENERIC_PTR,
201 VARRAY_TOP_GENERIC_PTR_NOGC, VARRAY_TOP_CHAR_PTR, VARRAY_TOP_RTX,
202 VARRAY_TOP_RTVEC, VARRAY_TOP_TREE, VARRAY_TOP_BITMAP,
203 VARRAY_TOP_REG, VARRAY_TOP_BB, VARRAY_TOP_EDGE,
204 VARRAY_TOP_TREE_PTR): Likewise.
205 * varray.c (varray_grow): Likewise.
206 (varray_clear): Likewise.
208 2005-12-12 Alan Modra <amodra@bigpond.net.au>
210 PR target/25299
211 * config/rs6000/rs6000.c (rs6000_special_round_type_align): Increase
212 alignment to doubleword if the first field is a double array.
213 * config/rs6000/linux64.h (TARGET_ALIGN_NATURAL): Define.
215 2005-12-11 Daniel Berlin <dberlin@dberlin.org>
217 * tree-ssa-structalias.c (process_constraint): Remove code to
218 transform addressofs into scalar.
219 (create_variable_info_for): In whole-program IPA, globals don't
220 point to ANYTHING by default.
222 2005-12-11 Daniel Berlin <dberlin@dberlin.org>
224 * timevar.def (TV_IPA_PTA): New.
225 * tree-pass.h (pass_ipa_pta): New
226 * tree-ssa-structalias.c: Include cgraph.h
227 (in_ipa_mode): New.
228 (predbitmap_obstack): New.
229 (EXECUTE_IF_IN_NONNULL_BITMAP): New.
230 (struct constraint_stats): Add num_edges.
231 (new_var_info): Don't call bitmap_clear.
232 (struct constraint_edge): Update docs.
233 (new_constraint_edge): Remove src param.
234 (struct constraint_graph): Add zero_weight_succs,
235 zero_weight_preds. Update docs.
236 (constraint_expr_equal): Reformat.
237 (constraint_edge_equal): Update for removal of src.
238 (constraint_edge_less): Ditto.
239 (constraint_edge_vec_find): Ditto.
240 (erase_graph_self_edge): Update for removal of src and and zero
241 weight bitmap.
242 (clear_edges_for_node): Ditto.
243 (add_graph_edge): Ditto.
244 (get_graph_weights): Ditto.
245 (allocate_graph_weights): Ditto.
246 (merge_graph_nodes): Ditto.
247 (int_add_graph_edge): Ditto.
248 (valid_graph_edge): Ditto.
249 (valid_weighted_graph_edge): Ditto.
250 (build_constraint_graph): Ditto.
251 (scc_visit): Ditto.
252 (collapse_nodes): Ditto.
253 (process_unification_queue): Ditto.
254 (topo_visit): Ditto.
255 (solve_graph): Ditto.
256 (do_structure_copy): Ditto.
257 (perform_var_substitution): Ditto.
258 Init and release obstack.
259 (handle_ptr_arith): Try to resolve directly.
260 (find_func_aliases): Don't call update_alias_info here
261 Handle RETURN_EXPR, and CALL_EXPR's in IPA mode.
262 (do_sd_constraint): Add code for propagating faster.
263 Update.
264 (do_ds_constraint): Ditto.
265 (count_num_arguments): New function.
266 (create_function_info_for): Ditto.
267 (create_variable_info_for): Handle FUNCTION_DECL.
268 (intra_create_variable_infos): Use make_constraint_to_anything.
269 (init_alias_vars): Init obstacks here.
270 (need_to_solve): Handle zero weight graph changes.
271 (compute_points_to_sets): Call update_alias_info here.
272 (delete_points_to_sets): Free zero weight preds/succs here.
273 (gate_ipa_pta): New.
274 (ipa_pta_execute): New
276 2005-12-11 Daniel Berlin <dberlin@dberlin.org>
278 * tree-ssa-structalias.c (var_anyoffset): Removed.
279 (anyoffset_tree): Ditto.
280 (anyoffset_id): Ditto.
281 (do_deref): Take vector of constraints, no return value.
282 Update to work on vector.
283 (get_constraint_for): Ditto.
284 (get_constraint_for_component_ref): Ditto.
285 (do_structure_copy): Ditto.
286 (handle_ptr_arith): Ditto.
287 (find_func_aliases): Ditto.
288 (set_uids_in_ptset): Remove anyoffset handling.
289 (init_base_vars): Ditto.
291 2005-12-10 Mark Mitchell <mark@codesourcery.com>
293 PR c++/25010
294 * ipa-inline.c (cgraph_clone_inlined_nodes): Do not assume that
295 DECL_EXTERNAL functions have no bodies. Tidy.
297 2005-12-10 Andreas Schwab <schwab@suse.de>
299 * except.c (switch_to_exception_section): Only define if
300 TARGET_UNWIND_INFO is not defined.
302 2005-12-10 Richard Sandiford <richard@codesourcery.com>
304 * config/darwin.h (HAS_INIT_SECTION): Remove definition.
305 (INIT_SECTION_ASM_OP): Restore empty definition from before 2005-12-07.
307 2005-12-10 Richard Sandiford <richard@codesourcery.com>
309 * output.h (init_section, fini_section): Delete.
310 * varasm.c (init_section, fini_section): Delete.
311 (init_varasm_once): Don't initialize them.
312 * doc/tm.texi (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Say that
313 there are no corresponding varasm.c variables.
315 2005-12-10 Richard Sandiford <richard@codesourcery.com>
317 * dwarf2out.c (default_eh_frame_section): Delete, moving handling
318 of EH_FRAME_SECTION_NAME into...
319 (switch_to_eh_frame_section): ...here. Try to set eh_frame_section
320 if it is still null.
321 * except.c (default_exception_section): Delete, moving most
322 of the code to...
323 (switch_to_exception_section): ...this new function. Set
324 exception_section if it is still null, then switch to it.
325 (output_function_exception_table): Use switch_to_exception_section.
326 * varasm.c (exception_section, eh_frame_section): Update comments.
327 (get_section): Hoist use of SECTION_NAMED.
328 (init_varasm_once): Don't set exception_section and eh_frame_section.
329 * output.h (default_exception_section): Delete.
330 (default_eh_frame_section): Delete.
332 2005-12-09 Bernd Schmidt <bernd.schmidt@analog.com>
334 * config/bfin/bfin.c: Include "cgraph.h".
335 (bfin_load_pic_reg): Omit loading pic reg if in a local function.
336 Return the reg that holds the pointer to the GOT.
337 (bfin_expand_prologue): Use return value of bfin_load_pic_reg when
338 doing stack checking.
340 2005-12-09 Diego Novillo <dnovillo@redhat.com>
342 * tree.c (recompute_tree_invariant_for_addr_expr): Rename from
343 recompute_tree_invarant_for_addr_expr.
344 Update uses everywhere.
346 2005-12-09 Aldy Hernandez <aldyh@redhat.com>
348 * config/ms1/t-ms1 (MULTILIB_OPTIONS): Define.
349 (MULTILIB_DIRNAMES): Define.
351 2005-12-09 Ulrich Weigand <uweigand@de.ibm.com>
353 PR target/25311
354 * config/s390/s390.c (struct s390_address): New field literal_pool.
355 (s390_decompose_address): Compute literal_pool field. Do not
356 assume register %r13 is always (and solely) used as pool base.
357 (s390_extra_constraint_str): Use literal_pool field.
359 2005-12-09 Thiemo Seufer <ths@networkno.de>
361 * config/mips/mips.c (override_options): Don't allow too small
362 integers in FP registers.
364 2005-12-09 Ulrich Weigand <uweigand@de.ibm.com>
366 * config/s390/s390.c (s390_function_ok_for_sibcall): Use
367 targetm.binds_local_p to check for local function calls.
369 2005-12-09 Alan Modra <amodra@bigpond.net.au>
371 PR debug/24908
372 * dwarf2out.c (dwarf2out_frame_debug_expr): Don't assert that
373 call_used_regs can't be used to save reg in another reg.
375 2005-12-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
376 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
378 * ipa-type-escape.c (analyze_variable): Use gcc_assert instead of
379 abort.
380 * except.c (output_ttype): Likewise.
381 * tree-object-size.c (collect_object_sizes_for): Likewise.
382 (check_for_plus_in_loops_1): Likewise.
383 (check_for_plus_in_loops): Likewise.
384 (compute_object_sizes): Use gcc_unreachable instead of abort.
386 2005-12-08 Nathan Sidwell <nathan@codesourcery.com>
388 * config/ms1/ms1.md (UNSPEC_LOOP): New constant.
389 (loop_end, loop_init, doloop_end): New insns.
390 * config/ms1/ms1.h (LOOP_FIRST, LOOP_LAST): New.
391 (SPECIAL_REG_FIRST, FIRST_PSEUDO_REGISTER): Adjust.
392 (FIXED_REGISTERS, CALL_USED_REGISTERS): Adjust.
393 (REG_CLASS_CONTENTS, REGISTER_NAMES): Adjust.
394 * config/ms1/ms1.c: #include basic-block.h
395 (struct machine_function): Add has_loops field.
396 (ms1_add_loop): New.
397 (MAX_LOOP_DEPTH, MAX_LOO_LENGTH): New.
398 (struct loop_info, struct loop_work): New.
399 (ms1_loop_nesting, ms1_block_length, ms1_scan_loop): New workers.
400 (ms1_reorg_loops): New loop optimization.
401 (ms1_machine_reorg): Call it.
402 * config/ms1/ms1-protos.h (ms1_add_loop): Declare.
404 2005-12-08 Zdenek Dvorak <dvorakz@suse.cz>
406 PR tree-optimization/25248
407 * tree-scalar-evolution.c (follow_ssa_edge_in_rhs): Do not use
408 evolution_of_loop from the failed attempt. Remove handling
409 of MULT_EXPR.
411 2005-12-08 Gabriel Dos Reis <gdr@integrable-solutions.net>
413 * tree.h (DECL_EXTERNAL): Clarify documentation.
415 2005-12-08 Andreas Krebbel <krebbel1@de.ibm.com>
416 Jakub Jelinek <jakub@redhat.com>
418 PR target/25268
419 * config/s390/s390.c (s390_decompose_shift_count): Remove BITS
420 argument. Don't drop outer ANDs.
421 (s390_extra_constraint_str, print_shift_count_operand): Adjust callers.
422 * config/s390/s390-protos.h (s390_decompose_shift_count): Adjust
423 prototype.
424 * config/s390/predicates.md (setmem_operand): Remove.
425 (shift_count_operand): Rename to...
426 (shift_count_or_setmem_operand): ... this. Adjust
427 s390_decompose_shift_count caller.
428 * config/s390/s390.md (<shift>di3_31_and, <shift>di3_64_and,
429 ashrdi3_cc_31_and, ashrdi3_cconly_31_and, ashrdi3_31_and,
430 ashrdi3_cc_64_and, ashrdi3_cconly_64_and, ashrdi3_64_and,
431 <shift>si3_and, ashrsi3_cc_and, ashrsi3_cconly_and, ashrsi3_and,
432 rotl<mode>3_and, setmem_long_and): New insns.
433 (<shift>di3_31, <shift>di3_64, ashrdi3_cc_31, ashrdi3_cconly_31,
434 ashrdi3_31, ashrdi3_cc_64, ashrdi3_cconly_64, ashrdi3_64,
435 <shift>si3, ashrsi3_cc, ashrsi3_cconly, ashrsi3, rotl<mode>3,
436 <shift>di3, ashrdi3): Use shift_count_or_setmem_operand instead
437 of shift_count_operand.
438 (setmem_long): Use shift_count_or_setmem_operand instead of
439 setmem_operand.
441 2005-12-08 Daniel Jacobowitz <dan@codesourcery.com>
442 Andreas Tobler <a.tobler@schweiz.ch>
444 * Makefile.in (ALL_GTFILES_H): Replace sed statement with more portable
445 tr expression.
447 2005-12-07 J"orn Rennecke <joern.rennecke@st.com>
449 * expr.c (force_operand): Use convert_to_mode for conversions.
451 2005-12-07 J"orn Rennecke <joern.rennecke@st.com>
453 * reload.h (reg_equiv_invariant): Declare.
454 * reload.c (refers_to_regno_for_reload_p): Allow R to be a pseudo
455 register also when reg_equiv_invariant[R] is set.
457 2005-12-07 Richard Sandiford <richard@codesourcery.com>
458 Andreas Tobler <a.tobler@schweiz.ch>
460 * config/darwin.h: Guard section variables with #ifndef USED_FOR_TARGET.
462 2005-12-07 Daniel Berlin <dberlin@dberlin.org>
464 * tree-ssa-pre.c (bitmap_set_and): New function.
465 (bitmap_set_and_compl): New function.
466 (bitmap_set_empty_p): New function.
467 (insert_extra_phis): New function.
468 (compute_avail): Use insert_extra_phis.
470 2005-12-07 Adrian Straetling <straetling@de.ibm.com>
472 * config/s390/s390.c (s390_expand_atomic): New function.
473 Adjust comment of helper functions.
474 * config/s390/s390-protos.h (s390_expand_atomic): Declare.
475 * config/s390/s390.md ("ATOMIC"): New code macro.
476 ("atomic"): Corresponding new code attribute.
477 ("sync_lock_test_and_set[hq]i",
478 "sync_{new_,old_,}{and,ior,xor,add,sub,nand}[hq]i"): New pattern.
480 2005-12-07 Adrian Straetling <straetling@de.ibm.com>
482 * config/s390/s390.c (s390_expand_mask_and_shift,
483 struct alignment_context, init_alignment_context,
484 s390_expand_cs_hqi): New.
485 * config/s390/s390-protos.h (s390_expand_cs_hqi): Declare.
486 * config/s390/s390.md ("sync_compare_and_swaphi",
487 "sync_compare_and_swapqi"): New pattern.
489 2005-12-07 Daniel Berlin <dberlin@dberlin.org>
491 Fix PR tree-optimization/25291
492 * tree-ssa-operands.c (add_call_clobber_ops): Remove
493 redundant and crashing check.
495 2005-12-08 Alan Modra <amodra@bigpond.net.au>
497 PR target/25212
498 * config/rs6000/rs6000.c (legitimate_indexed_address_p): Relax
499 tests further when !strict && reload_in_progress.
500 (print_operand): Check that both operands of indexed address are regs.
501 (print_operand_address): Likewise.
502 * config/rs6000/rs6000.h (INT_REG_OK_FOR_INDEX_P): Simplify.
503 (INT_REG_OK_FOR_BASE_P): Correct.
505 2005-12-07 J"orn Rennecke <joern.rennecke@st.com>
507 Preparation for PR rtl-optimization/20070 / part1
508 * basic-block.h (insns_match_p, flow_find_cross_jump): Declare.
509 * cfgcleanup.c (condjump_equiv_p): New function, broken out of
510 outgoing_edges_match.
511 (outgoing_edges_match): Use condjump_equiv_p.
512 (merge_memattrs, insns_match_p, flow_find_cross_jump): Move from here
513 into..
514 * struct-equiv.c: New file.
515 (death_notes_match_p) New function, broken out of insns_match_p.
516 * Makefile.in (OBJS-common): Add struct-equiv.o.
517 (struct-equiv.o): New target.
519 2005-12-07 Richard Sandiford <richard@codesourcery.com>
521 * coretypes.h: Revert previous change.
522 * config/darwin.h: Revert previous reversion.
523 * config/avr/avr.h (progmem_section): Guard with #ifndef IN_LIBGCC2.
525 2005-12-07 Richard Sandiford <richard@codesourcery.com>
527 * coretypes.h (section): Provide dummy definition for target files.
528 * config/darwin.h: Revert previous change.
530 2005-12-07 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
532 * doc/sourcebuild.texi (all.build, install-normal): Remove.
533 * configure.ac: Remove all.build and install-normal from target_list
534 * configure: Regenerate.
535 * Makefile.in (install): Don't depend on install-normal.
537 2005-12-07 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
539 * Makefile.in: Document the use of stamps.
541 2005-12-07 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
543 * doc/gty.texi: Remove instructions for adding a dependency on s-gtype.
544 * Makefile.in: Add code to compute some dependencies on s-gtype
545 automatically. Remove the declaration of those dependencies.
547 2005-12-07 Richard Sandiford <richard@codesourcery.com>
549 * gcc/reload.c (push_secondary_reload): Fix typo:
550 s/insn_constraint/scratch_constraint/.
552 2005-12-07 Richard Sandiford <richard@codesourcery.com>
554 * config/darwin.h: Guard section variables with #ifndef IN_LIBGCC2.
556 2005-12-07 Richard Sandiford <richard@codesourcery.com>
558 * config/alpha/alpha.c (alpha_start_function): Use switch_to_section.
559 (alpha_elf_select_rtx_section): Return the selected section rather
560 than emitting assembly code.
561 (alpha_write_linkage): Emit a ".link" directive directly and then
562 set in_section to NULL.
563 (vms_asm_out_constructor): Use switch_to_section.
564 (vms_asm_out_destructor): Likewise.
565 (unicosmk_output_common): Set in_section to NULL instead of calling
566 the dummy common_section function.
567 (unicosmk_text_section): Delete in favor of...
568 (unicosmk_output_text_section_asm_op): ...this new function.
569 (unicosmk_data_section): Delete in favor of...
570 (unicosmk_output_data_section_asm_op): ...this new function.
571 (unicosmk_init_sections): New function.
572 (unicosmk_output_deferred_case_vectors): Use switch_to_section.
573 (unicosmk_output_ssib): Set in_section to NULL instead of calling
574 the dummy ssib_section function.
575 (unicosmk_section_buf): Delete.
576 * config/alpha/alpha-protos.h (unicosmk_text_section): Delete.
577 (unicosmk_data_section): Delete.
578 * config/alpha/elf.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
579 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, sbss_section, sdata_section)
580 (SECTION_FUNCTION_TEMPLATE): Delete.
581 * config/alpha/unicosmk.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP)
582 (READONLY_DATA_SECTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
583 (common_section, COMMON_SECTION, ssib_section, SSIB_SECTION): Delete.
584 (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
585 (TARGET_ASM_INIT_SECTIONS): Define.
586 * config/alpha/vms.h (LINK_SECTION_ASM_OP, LITERALS_SECTION_ASM_OP)
587 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
588 (link_section, literals_section): Delete.
589 (ASM_OUTPUT_DEF): Emit the ".literal" directive directly and then
590 set in_section to NULL.
592 * config/arm/aof.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Delete.
593 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, ZERO_INIT_SECTION): Delete.
594 (COMMON_SECTION): Delete.
595 (TARGET_ASM_INIT_SECTIONS): Define.
596 (ASM_OUTPUT_COMMON): Set in_section to NULL rather than calling
597 the dummy common_section function.
598 * config/arm/aout.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
599 * config/arm/arm.c (get_jump_table_size): Use pointer comparison
600 between readonly_data_section and text_section to check whether
601 read-only data is being put in the text section.
602 (arm_output_function_epilogue): Use switch_to_section.
603 (arm_elf_asm_constructor): Likewise.
604 (thumb_call_via_reg): Replace call to in_text_section with
605 a comparison between in_section and text_section.
606 (arm_file_end): Use switch_to_section.
607 (aof_text_section): Delete in favor of...
608 (aof_output_text_section_asm_op): ...this new function.
609 (aof_data_section): Delete in favor of...
610 (aof_output_data_section_asm_op): ...this new function.
611 (aof_asm_init_sections): New function.
612 (zero_init_section): Moved from config/arm/aof.h.
613 (aof_dump_imports, aof_file_start): Use switch_to_section.
614 * config/arm/arm.h (thumb_call_via_label): Update comment.
615 * config/arm/arm-protos.h (aof_text_section, aof_data_section): Delete.
616 (common_section): Delete.
617 * config/arm/pe.h (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
618 (ASM_DECLARE_OBJECT_NAME): Update the type of save_section. Use the
619 global switch_to_section function instead of the old port-local one.
620 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION)
621 (SWITCH_TO_SECTION_FUNCTION): Delete.
622 (drectve_section): Redefine as a macro.
623 * config/arm/unknown-elf.h (ASM_OUTPUT_ALIGNED_BSS):
624 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use get_named_section and
625 switch_to_section.
627 * config/avr/avr.c (progmem_section): New variable.
628 (avr_output_progmem_section_asm_op): New function.
629 (avr_asm_init_sections): New function.
630 (avr_output_addr_vec_elt): Use switch_to_section.
631 * config/avr/avr.h (progmem_section): Declare.
632 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
633 (READONLY_DATA_SECTION): Delete.
634 (TARGET_ASM_INIT_SECTIONS): Define.
635 (ASM_OUTPUT_CASE_LABEL): Use switch_to_section.
636 * config/avr/avr-protos.h (progmem_section): Delete.
638 * config/bfin/bfin.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
640 * config/c4x/c4x.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
641 (INIT_SECTION_FUNCTION, FINI_SECTION_FUNCTION): Delete.
643 * config/darwin-sections.def: New file.
644 * config/darwin.c: Define all sections in darwin-sections.def.
645 (output_objc_section_asm_op, darwin_init_sections): New functions.
646 (machopic_output_indirection): Use switch_to_section.
647 (machopic_select_section): Return the selected section rather than
648 emitting assembly code. Replace the static function table with
649 inline conditional expressions. Update the tests of last_text_section
650 and move them into the FUNCTION_DECL block.
651 (machopic_select_rtx_section): Return the selected section rather than
652 emitting assembly code.
653 (machopic_asm_out_constructor, machopic_asm_out_destructor)
654 (darwin_file_end): Use switch_to_section.
655 * config/darwin.h: Use darwin-sections.def to declare sections.
656 (INIT_SECTION_ASM_OP): Remove empty definition.
657 (HAS_INIT_SECTION): Define this instead.
658 (SECTION_FUNCTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
659 (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete.
660 (TARGET_ASM_EH_FRAME_SECTION): Delete.
661 (TARGET_ASM_INIT_SECTIONS): Define.
662 * config/darwin-protos.h (darwin_init_sections): Declare.
663 (machopic_picsymbol_stub_section, machopic_picsymbol_stub1_section)
664 (machopic_symbol_stub_section, machopic_symbol_stub1_section): Delete.
665 (machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section)
666 (constructor_section, destructor_section, mod_init_section): Delete.
667 (mod_term_section): Delete.
668 (darwin_exception_section, darwin_eh_frame_section): Delete.
669 (machopic_select_section): Return a section.
670 (machopic_select_rtx_section): Likewise.
671 (text_coal_section, text_unlikely_section, text_unlikely_coal_section)
672 (const_section, const_coal_section, const_data_section): Delete.
673 (const_data_coal_section, data_coal_section, cstring_section): Delete.
674 (literal4_section, literal8_section, constructor_section): Delete.
675 (mod_init_section, mod_term_section, destructor_section): Delete.
676 (objc_class_section, objc_meta_class_section, objc_category_section)
677 (objc_class_vars_section, objc_instance_vars_section): Delete.
678 (objc_cls_meth_section, objc_inst_meth_section): Delete.
679 (objc_cat_cls_meth_section, objc_cat_inst_meth_section): Delete.
680 (objc_selector_refs_section, objc_selector_fixup_section): Delete.
681 (objc_symbols_section, objc_module_info_section): Delete.
682 (objc_image_info_section, objc_protocol_section): Delete.
683 (objc_string_object_section, objc_constant_string_object_section)
684 (objc_class_names_section, objc_meth_var_names_section): Delete.
685 (objc_meth_var_types_section, objc_cls_refs_section): Delete.
686 (machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section)
687 (machopic_symbol_stub_section, machopic_picsymbol_stub_section)
688 (darwin_exception_section, darwin_eh_frame_section): Delete.
689 * config/t-darwin (darwin.o): Depend on config/darwin-sections.def.
691 * config/frv/frv.c (frv_asm_out_constructor): Use switch_to_section.
692 (frv_asm_out_destructor): Likewise.
693 * config/frv/frv.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
694 (SDATA_SECTION_FUNCTION, FIXUP_SECTION_FUNCTION): Delete.
695 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use switch_to_section and
696 get_named_section.
697 (ASM_OUTPUT_CASE_LABEL): Use switch_to_section.
698 * config/frv/frv-protos.h (fixup_section, sdata_section, sbss_section)
699 (data_section): Delete.
701 * config/i386/cygming.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
702 (DRECTVE_SECTION_FUNCTION): Delete.
703 (drectve_section): Redefine as a macro that sets in_section after
704 emitting the directive.
705 (SWITCH_TO_SECTION_FUNCTION): Delete.
706 * config/i386/darwin.h (ASM_OUTPUT_ALIGN): Replace call to
707 in_text_section with comparison between in_section and text_section.
708 * config/i386/i386.c (x86_64_elf_select_section): Return the section
709 rather than emitting assembly code. Use get_named_section.
710 (x86_output_aligned_bss, ix86_file_end): Use switch_to_section and
711 get_named_section.
712 (machopic_output_stub): Use switch_to_section.
713 * config/i386/nwld.c (nwld_named_section_asm_out_constructor)
714 (nwld_named_section_asm_out_destructor): Use get_section and
715 switch_to_section.
717 * config/ia64/ia64.c (ia64_select_rtx_section): Return the section
718 rather than emitting assembly code.
719 (ia64_rwreloc_select_section): Likewise.
720 (ia64_rwreloc_select_rtx_section): Likewise.
721 * config/ia64/ia64-protos.h (sdata_section, sbss_section): Delete.
722 * config/ia64/sysv4.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use
723 switch_to_section.
724 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
725 (SDATA_SECTION_FUNCTION, SBSS_SECTION_FUNCTION): Delete.
727 * config/iq2000/iq2000.c (iq2000_select_rtx_section): Return the
728 section rather than emitting assembly code.
729 (iq2000_select_section): Likewise.
730 * config/iq2000/iq2000.h (rdata_section, sdata_section): Delete.
731 (sbss_section): Delete.
733 * config/m32r/m32r.h (ASM_OUTPUT_ALIGNED_BSS): Use switch_to_section
734 and get_named_section.
735 * config/m32r/m32r-protos.h (sbss_section, sdata_section): Delete.
737 * config/mcore/mcore-elf.h (EXPORTS_SECTION_ASM_OP): Delete.
738 (SUBTARGET_EXTRA_SECTIONS, SUBTARGET_EXTRA_SECTION_FUNCTIONS): Delete.
739 (EXPORT_SECTION_FUNCTION, SUBTARGET_SWITCH_SECTIONS): Delete.
740 (MCORE_EXPORT_NAME): Emit the exports directive directly, then set
741 in_section to NULL.
742 (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
743 (ASM_DECLARE_OBJECT_NAME): Update the type of save_section. Use the
744 global switch_to_section function instead of the old port-local one.
745 * config/mcore/mcore.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
746 (SWITCH_SECTION_FUNCTION): Delete.
747 * config/mcore/mcore-pe.h (SUBTARGET_SWITCH_SECTIONS): Delete.
748 (DRECTVE_SECTION_ASM_OP, SUBTARGET_EXTRA_SECTIONS): Delete.
749 (SUBTARGET_EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION): Delete.
750 (MCORE_EXPORT_NAME): Emit ".section .drectve" directly, then set
751 in_section to NULL.
752 (ASM_DECLARE_OBJECT_NAME): Update the type of save_section. Use the
753 global switch_to_section function instead of the old port-local one.
754 (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
756 * config/mips/mips.c (mips_file_start): Update comment.
757 (mips_output_aligned_bss): Use switch_to_section and get_named_section.
758 (mips_output_aligned_decl_common): Use switch_to_section.
759 (mips_select_rtx_section): Return the section rather than emitting
760 assembly code. Use get_named_section.
761 (mips_function_rodata_section: Likewise get_section.
762 (build_mips16_function_stub): Use switch_to_section.
763 * config/mips/mips.h (ASM_OUTPUT_IDENT): Use switch_to_section.
764 (SDATA_SECTION_ASM_OP): Delete.
765 * config/mips/vxworks.h (EXTRA_SECTIONS): Delete.
766 (EXTRA_SECTION_FUNCTIONS): Delete.
768 * config/mmix/mmix.c (mmix_file_start, mmix_file_end)
769 (mmix_asm_output_aligned_local): Use switch_to_section.
771 * config/pa/pa.c (som_readonly_data_section, som_one_only_data_section)
772 (som_one_only_readonly_data_section): New variables.
773 (pa_output_function_epilogue): Set in_section to NULL instead of
774 calling forget_section.
775 (output_deferred_plabels): Use select_section.
776 (pa_asm_output_mi_thunk): Likewise. Set in_section to NULL instead
777 of calling forget_section.
778 (pa_asm_output_aligned_bss, pa_asm_output_aligned_common)
779 (pa_asm_output_aligned_local): Use select_section.
780 (som_text_section_asm_op): Delete in favor of...
781 (som_output_text_section_asm_op): ...this new function.
782 (pa_som_asm_init_sections): New function.
783 (pa_select_section): Return the section rather than emitting
784 assembly code.
785 * config/pa/pa.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
786 (SOM_READONLY_DATA_SECTION_FUNCTION): Delete.
787 (SOM_ONE_ONLY_READONLY_DATA_SECTION_FUNCTION): Delete.
788 (SOM_ONE_ONLY_DATA_SECTION_FUNCTION, FORGET_SECTION_FUNCTION): Delete.
789 * config/pa/pa-protos.h (som_text_section_asm_op): Delete.
790 (som_readonly_data_section, som_one_only_readonly_data_section)
791 (som_one_only_data_section, forget_section): Delete.
792 * config/pa/som.h (TEXT_SECTION_ASM_OP): Delete.
793 (TARGET_ASM_INIT_SECTIONS): Define.
794 (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete.
796 * config/rs6000/rs6000.c (read_only_data_section): New variable.
797 (private_data_section, read_only_private_data_section): New variables.
798 (sdata2_section, toc_section): New variables.
799 (rs6000_file_start): Use switch_to_section.
800 (rs6000_assemble_integer): Use comparisons against in_section
801 instead of calling in_toc_section and in_text_section. Use
802 unlikely_text_section_p.
803 (rs6000_elf_output_toc_section_asm_op): New function, derived
804 from the old rs6000/sysv4.h toc_section function.
805 (rs6000_elf_asm_init_sections): New function.
806 (rs6000_elf_select_rtx_section, rs6000_elf_select_section): Return
807 the section rather than emitting assembly code.
808 (machopic_output_stub): Use switch_to_section.
809 (toc_section): Delete dummy function.
810 (rs6000_elf_asm_out_constructor, rs6000_elf_asm_out_destructor): Use
811 switch_to_section and get_section.
812 (rs6000_xcoff_output_readonly_section_asm_op): New function.
813 (rs6000_xcoff_output_readwrite_section_asm_op): New function.
814 (rs6000_xcoff_output_toc_section_asm_op): New function, derived from
815 the old rs6000/xcoff.h toc_section function.
816 (rs6000_xcoff_asm_init_sections): New function.
817 (rs6000_xcoff_select_section, rs6000_xcoff_select_rtx_section): Return
818 the section rather than emitting assembly code.
819 (rs6000_xcoff_file_start): Use switch_to_section.
820 (rs6000_xcoff_file_end): Likewise.
821 * config/rs6000/rs6000-protos.h (toc_section, sdata_section): Delete.
822 (sdata2_section, sbss_section, private_data_section): Delete.
823 (read_only_data_section, read_only_private_data_section): Delete.
824 * config/rs6000/sysv4.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
825 (TOC_SECTION_FUNCTION, SDATA_SECTION_FUNCTION, SDATA2_SECTION_FUNCTION)
826 (SBSS_SECTION_FUNCTION, INIT_SECTION_FUNCTION): Delete.
827 (FINI_SECTION_FUNCTION): Delete.
828 (TARGET_ASM_INIT_SECTIONS): Define.
829 (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
830 * config/rs6000/xcoff.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
831 (READ_ONLY_DATA_SECTION_FUNCTION, PRIVATE_DATA_SECTION_FUNCTION)
832 (READ_ONLY_PRIVATE_DATA_SECTION_FUNCTION, TOC_SECTION_FUNCTION)
833 (READONLY_DATA_SECTION): Delete.
834 (TARGET_ASM_INIT_SECTIONS): Define.
835 (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section. Set in_section
836 to NULL rather than no_section.
837 (TARGET_ASM_EXCEPTION_SECTION): Delete.
839 * config/sh/sh.c (sh_file_start): Use switch_to_section.
841 * config/sparc/sparc.c (emit_pic_helper): Use switch_to_section.
842 (sparc_output_deferred_case_vectors): Likewise. Remove argument
843 from call to current_function_section.
845 * config/stormy16/stormy16.c: Include ggc.h and gt-storm16.h.
846 (bss100_section): New variable.
847 (xstormy16_asm_output_aligned_common): Use switch_to_section.
848 (xstormy16_asm_init_sections): New function.
849 (xstormy16_asm_out_destructor, xstormy16_asm_out_constructor): Use
850 switch_to_section and get_section.
851 (xstormy16_output_addr_vec): Use switch_to_section. Remove argument
852 from calls to current_function_section.
853 * config/stormy16/stormy16.h (EXTRA_SECTIONS): Delete.
854 (XSTORMY16_SECTION_FUNCTION, EXTRA_SECTION_FUNCTIONS): Delete.
855 (TARGET_ASM_INIT_SECTIONS): Define.
856 * config/stormy16/stormy16-protos.h (bss100_section): Delete.
858 * config/svr3.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
859 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, INIT_SECTION_FUNCTION)
860 (FINI_SECTION_FUNCTION): Delete.
862 * config/v850/v850.c: Include gt-v850.h.
863 (rosdata_section, rozdata_section, tdata_section, zdata_section)
864 (zbss_section): New variables.
865 (v850_output_aligned_bss): Use switch_to_section.
866 (v850_asm_init_sections): New function.
867 (v850_select_section): Return the section rather than emitting
868 assembly code.
869 * config/v850/v850.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
870 (ZDATA_SECTION_ASM_OP, ZBSS_SECTION_ASM_OP, TDATA_SECTION_ASM_OP)
871 (ROSDATA_SECTION_ASM_OP, ROZDATA_SECTION_ASM_OP): Delete.
872 (TARGET_ASM_INIT_SECTIONS): Define.
873 * config/v850/v850-protos.h (sdata_section, rosdata_section): Delete.
874 (sbss_section, tdata_section, zdata_section, rozdata_section): Delete.
875 (zbss_section): Delete.
877 * config/vax/vaxv.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
879 * config/vx-common.h (vxworks_exception_section): Delete.
880 (TARGET_ASM_EXCEPTION_SECTION): Delete.
882 * config/xtensa/xtensa.c (xtensa_select_rtx_section): Return the
883 section rather than emitting assembly code.
884 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Use
885 switch_to_section.
887 * Makefile.in (GTFILES): Add $(srcdir)/output.h.
888 * coretypes.h (section): New union and typedef.
889 * dbxout.c (FORCE_TEXT): Use switch_to_section. Remove argument
890 from call to current_function_section.
891 (dbxout_function_end, dbxout_init, dbxout_source_file, dbxout_finish)
892 (dbxout_symbol_location): Use switch_to_section.
893 * dwarf2out.c (named_section_eh_frame_section): Delete, moving
894 most of the code into...
895 (default_eh_frame_section): ...here. Return a section.
896 (collect2_eh_frame_section): Delete, moving most of the code into..
897 (switch_to_eh_frame_section): ...this new function.
898 (debug_info_section, debug_abbrev_section, debug_aranges_section)
899 (debug_macinfo_section, debug_line_section, debug_loc_section)
900 (debug_pubnames_section, debug_str_section, debug_ranges_section): New
901 variables.
902 (output_call_frame_info): Call switch_to_eh_frame_section instead of
903 eh_frame_section. Use switch_to_section and get_section.
904 (dwarf2out_begin_prologue): Use switch_to_section.
905 (AT_string_form): Check the flags in debug_str_section instead of
906 DEBUG_STR_SECTION_FLAGS.
907 (output_comp_unit): Use switch_to_section, get_section, and
908 debug_info_section.
909 (output_line_info, secname_for_decl): Use unlikely_text_section_p.
910 (dwarf2out_begin_block): Use switch_to_section. Remove argument
911 from call to current_function_section.
912 (dwarf2out_var_location): Use unlikely_text_section_p.
913 (dwarf2out_source_line): Use switch_to_section. Remove argument
914 from call to current_function_section.
915 (dwarf2out_start_source_file, dwarf2out_end_source_file)
916 (dwarf2out_define, dwarf2out_undef: Use switch_to_section and
917 debug_macinfo_section.
918 (dwarf2out_init): Initialize the new section variables. Use them
919 instead of calls to named_section_flags. Use switch_to_section.
920 (output_indirect_string): Use switch_to_section and debug_str_section.
921 (dwarf2out_finish): Use switch_to_section and the new section
922 variables.
923 * except.c (default_exception_section): Return the section instead
924 of emitting assembly code.
925 (output_function_exception_table): Use the global exception_section
926 variable instead of the target hook. Use switch_to_section. Remove
927 argument from call to current_function_section.
928 * final.c (HAVE_READONLY_DATA_SECTION): Delete.
929 (shorten_branches): Use pointer comparisons to detect whether the
930 text section is the same as readonly_data_section.
931 (profile_function): Use switch_to_section. Remove argument from
932 call to current_function_section.
933 (final_scan_insn): Likewise. Update use of last_text_section.
934 * gengtype.c (open_base_files): Add an include of output.h.
935 * output.h (text_section, data_section, readonly_data_section)
936 (ctors_section, dtors_section, bss_section, init_section)
937 (fini_section, sdata_section): Turn into section pointers.
938 (in_text_section, in_unlikely_text_section, exports_section)
939 (drectve_section, named_section, mergeable_string_section)
940 (last_text_section_name): Delete.
941 (default_exception_section, default_eh_frame_section): Return sections.
942 (SECTION_DECLARED, SECTION_NAMED): New macros.
943 (SECTION_MACH_DEP): Bump value.
944 (section_common, named_section, unnamed_section): New structures.
945 (unnamed_section_callback): New typedef.
946 (section): New union.
947 (sbss_section, exception_section, eh_frame_section): New variables.
948 (in_section, last_text_section): Turn into section pointers.
949 (get_unnamed_section, get_section, get_named_section): New functions.
950 (mergeable_constant_section, function_section): Return a section.
951 (unlikely_text_section): Likewise.
952 (current_function_section): Likewise. Remove the decl argument.
953 (unlikely_text_section_p, switch_to_section): New functions.
954 (output_section_asm_op): New function.
955 (set_named_section_flags, named_section_flags, named_section_real)
956 (named_section_first_declaration): Delete.
957 (default_select_section, default_elf_select_section): Return a section.
958 (default_elf_select_section_1, default_function_rodata_section)
959 (default_no_function_rodata_section, default_select_rtx_section)
960 (default_elf_select_rtx_section): Likewise.
961 * rtl.h (in_data_section): Delete.
962 * sdbout.c (sdbout_one_type): Use switch_to_section.
963 * system.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Poison.
964 (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Poison.
965 (TARGET_ASM_EH_FRAME_SECTION): Poison.
966 * target-def.h (TARGET_ASM_INIT_SECTIONS): New macro.
967 (TARGET_ASM_EXCEPTION_SECTION, TARGET_ASM_EH_FRAME_SECTION): Delete.
968 (TARGET_ASM_OUT): Update after above changes.
969 * target.h (init_sections): New hook.
970 (exception_section, eh_frame_section): Delete.
971 (select_section, select_rtx_section, function_rodata_section): Return
972 a section rather than emitting assembly code.
973 * varasm.c (text_section, data_section, readonly_data_section)
974 (ctors_section, dtors_section, bss_section, init_section)
975 (fini_section): Turn into section pointers.
976 (sdata_section, sbss_section, exception_section): New variables.
977 (eh_frame_section): New variable.
978 (in_section): Make global and turn into a section pointer.
979 (last_text_section): Turn into a section pointer.
980 (unnamed_sections): New variable.
981 (in_named_name, last_text_section_name): Delete.
982 (EXTRA_SECTION_FUNCTIONS): Delete.
983 (in_named_entry): Delete.
984 (section_htab): New variable, replacing...
985 (in_named_htab): ...this deleted variable.
986 (section_entry_eq, section_entry_hash): New functions, based on...
987 (in_named_entry_eq, in_named_entry_hash): ...these deleted functions.
988 (get_unnamed_section, get_section): New functions.
989 (unlikely_text_section): Return a section instead of emitting
990 assembly code.
991 (in_text_section, in_unlikely_text_section, in_data_section): Delete.
992 (get_named_section_flags, named_section_first_declaration): Delete.
993 (unlikely_text_section_p): New function.
994 (named_section_real, named_section): Delete.
995 (get_named_section): New function.
996 (asm_output_bss, asm_output_aligned_bss): Use switch_to_section.
997 (function_section): Return a section rather than emitting
998 assembly code.
999 (current_function_section): Likewise. Remove argument. Use
1000 last_text_section if nonnull, otherwise use function_section.
1001 (default_function_rodata_section): Return a section rather than
1002 emitting assembly code. Use get_section.
1003 (default_no_function_rodata_section): Return a section rather than
1004 emitting assembly code.
1005 (variable_section): Use switch_to_section and get_named_section.
1006 (mergeable_string_section): Return a section rather than emitting
1007 assembly code. Use get_section. Make static. Don't take special
1008 countermeasures for empty strings.
1009 (mergeable_constant_section): Return a section rather than emitting
1010 assembly code. Use get_section.
1011 (default_named_section_asm_out_destructor): Use switch_to_section
1012 and get_section.
1013 (default_dtor_section_asm_out_destructor): Use switch_to_section.
1014 (default_named_section_asm_out_constructor): Use switch_to_section
1015 and get_section.
1016 (default_ctor_section_asm_out_constructor): Use switch_to_section.
1017 (assemble_start_function): Likewise. Set last_text_section to
1018 NULL rather than no_section. Change the type of save_section.
1019 (assemble_zeros, assemble_variable): Use the section flags to detect
1020 whether or not a section is text.
1021 (assemble_static_space): Use switch_to_section.
1022 (assemble_trampoline_template): Likewise.
1023 (output_constant_def_contents): Use switch_to_section and
1024 get_named_section.
1025 (output_constant_pool_1): Use switch_to_section. Use the section
1026 flags to see whether sections contain mergeable data.
1027 (init_varasm_once): Initialize section_htab instead of in_named_htab.
1028 Initialize new section variables. Call TARGET_ASM_INIT_SECTIONS.
1029 (default_elf_asm_named_section): Use SECTION_DECLARED to detect
1030 whether a section has already been declared.
1031 (default_select_section, default_elf_select_section): Return a
1032 section rather than emitting assembly code.
1033 (default_elf_select_section_1): Likewise. Use bss_section for
1034 SECCAT_BSS if nonnull. Use get_named_section.
1035 (default_select_rtx_section): Return a section rather than
1036 emitting assembly code.
1037 (default_elf_select_rtx_section): Likewise. Use get_named_section.
1038 (file_end_indicate_exec_stack): Use switch_to_section and get_section.
1039 (output_section_asm_op, switch_to_section): New functions.
1040 * vmsdbgout.c (vmsdbgout_finish): Use switch_to_section and
1041 get_named_section.
1043 * doc/tm.texi: Expand the introduction to the sections documentation.
1044 (TRAMPOLINE_SECTION): Document new interface.
1045 (SDATA_SECTION_ASM_OP): Document new macro.
1046 (READONLY_DATA_SECTION): Delete.
1047 (SDATA_SECTION_ASM_OP): Document new macro.
1048 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1049 (TARGET_ASM_INIT_SECTIONS): Document new hook.
1050 (TARGET_ASM_SELECT_SECTION, TARGET_ASM_FUNCTION_RODATA_SECTION)
1051 (TARGET_ASM_SELECT_RTX_SECTION): Adjust for new interface.
1052 (TARGET_EXCEPTION_SECTION, TARGET_EH_FRAME_SECTION): Delete.
1054 2005-12-07 Alan Modra <amodra@bigpond.net.au>
1056 * gcc.c (init_gcc_specs): Match braces inside conditionally
1057 compiled strings.
1059 2005-12-06 Geoffrey Keating <geoffk@apple.com>
1061 * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): New.
1063 2005-12-06 Aldy Hernandez <aldyh@redhat.com>
1065 PR C++/24138
1066 * tree.c (integer_all_onesp): Always return true if all bits on.
1068 * testsuite/g++.dg/init/array0.C: New.
1070 2005-12-06 Adrian Straetling <straetling@de.ibm.com>
1072 * doc/md.texi: Adapt to implementation.
1074 2005-12-06 Andreas Schwab <schwab@suse.de>
1076 * opts.c (decode_options): Fix typo in message.
1078 2005-12-06 Alan Modra <amodra@bigpond.net.au>
1080 PR other/13873
1081 * longlong.h: Merge PPC tests from upstream.
1083 2005-12-06 Richard Guenther <rguenther@suse.de>
1085 * fold-const.c (fold_convert): Do not build and fold
1086 CONVERT_EXPR, but always use NOP_EXPR.
1088 2005-12-06 Jan Beulich <jbeulich@novell.com>
1090 * config/i386/i386.c (builtin_description): Use MASK_SSE2 for
1091 __builtin_ia32_paddq and __builtin_ia32_subq.
1092 (ix86_init_mmx_sse_builtins): Use MASK_SSE|MASK_3DNOW_A for
1093 __builtin_ia32_pshufw.
1094 * config/i386/i386.md (mmx_adddi3, mmx_subdi3): Depend on TARGET_SSE2.
1096 2005-12-05 James E Wilson <wilson@specifix.com>
1098 PR target/24934
1099 * opts.c (decode_options): Turn off partitioning if flag_unwind_tables
1100 is set.
1102 2005-12-05 Daniel Berlin <dberlin@dberlin.org>
1104 * print-tree.c (print_node): Ditto.
1105 * tree-dfa.c (add_referenced_var): Tag's don't have DECL_INITIAL.
1106 * tree-dump.c (dequeue_and_dump): Check for decl_common structure
1107 before accessing DECL_ARTIFICIAL.
1108 Handle new tag tree codes.
1109 * tree-flow-inline.h (clear_call_clobbered): Update for tag
1110 changes.
1111 (unmodifiable_var_p): Ditto.
1112 * tree-flow.h (mem_tag_kind): Remove.
1113 (struct var_ann_d): Remove mem_tag_kind member.
1114 * tree-gimple.c (is_gimple_reg): Tags are not gimple registers.
1115 * tree-pretty-print.c (dump_generic_node): Handle memory tags.
1116 * tree-ssa-alias.c (init_alias_info): Update for memory tag changes.
1117 (group_aliases): Ditto.
1118 (setup_pointers_and_addressables): Ditto.
1119 (is_escape_site): Ditto.
1120 (may_alias_p): Ditto.
1121 (create_tag_raw): New function.
1122 (create_memory_tag): Use it.
1123 (dump_alias_info): Update for tags.
1124 (may_be_aliased): Ditto.
1125 (add_type_alias): Ditto.
1126 (new_type_alias): Ditto.
1127 (create_sft): Ditto.
1128 (create_structure_vars): Ditto.
1129 * tree-ssa-ccp.c (get_default_value): Ditto.
1130 * tree-ssa-operands.c (get_expr_operands): Ditto.
1131 (add_stmt_operand): Ditto.
1132 (add_call_clobber_ops): Remove duplicated condition.
1133 * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
1134 tags.
1135 * tree-tailcall.c (suitable_for_tail_opt_p): Ditto.
1136 * tree-vect-transform.c (vect_create_data_ref_ptr): Ditto.
1137 * tree.c (init_ttree): Update structures for new tree codes.
1138 (tree_code_size): Update sizes for new tree codes.
1139 (make_node_stat): Don't try to set common things on minimal
1140 structures.
1141 (tree_node_structure): Update for tags.
1142 (is_global_var): Ditto.
1143 * tree.def: Add new tree codes.
1144 * tree.h (MTAG_P): New macro.
1145 (TREE_MEMORY_TAG_CHECK): Ditto.
1146 (SSA_VAR_P): Update for tags.
1147 (struct tree_memory_tag): New structure.
1148 (MTAG_GLOBAL): New macro.
1149 (union tree_node): Add memory tag member.
1150 * treestruct.def (TS_MEMORY_TAG): New.
1152 2005-12-05 Dale Johannesen <dalej@apple.com>
1154 * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS): Fix to match
1155 what was approved (PR 24323).
1157 2005-12-05 Gabriel Dos Reis <gdr@integrable-solutions.net>
1159 * doc/c-tree.texi (Function Bodies): Remove description of
1160 RETURN_INIT.
1162 2005-12-05 Joseph S. Myers <joseph@codesourcery.com>
1164 * doc/libgcc.texi (__floatunsisf, __floatunsidf, __floatunsitf,
1165 __floatunsixf, __floatundisf, __floatundidf, __floatunditf,
1166 __floatundixf, __floatuntisf, __floatuntidf, __floatuntitf,
1167 __floatuntixf, __powisf2, __powidf2, __powixf2, __mulsc3,
1168 __muldc3, __multc3, __mulxc3, __divsc3, __divdc3, __divtc3,
1169 __divxc3): Document.
1171 2005-12-05 Geoffrey Keating <geoffk@apple.com>
1173 * config/arm/arm.c (arm_cxx_determine_class_data_visibility): Preserve
1174 previous behaviour.
1175 * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Define to
1176 hook_bool_void_false.
1177 (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Define.
1178 * config/darwin.c (darwin_cxx_determine_class_data_visibility): New.
1180 * config/darwin.c (machopic_select_section): It's not defined
1181 as weak if it's only marked as weak_import.
1183 * config/darwin-protos.h (darwin_cxx_determine_class_data_visibility):
1184 Prototype.
1186 * varasm.c (default_binds_local_p_1): Weakrefs don't bind locally.
1187 A hidden weak object does bind locally. Strong linkonce data
1188 counts like any other strong symbol for binding.
1189 (weak_finish_1): Don't specially handle weakrefs, they no longer
1190 arrive here.
1191 (assemble_alias): Weakrefs can't be TREE_PUBLIC yet.
1192 * c-common.c (handle_alias_attribute): Allow static aliases
1193 of variables.
1194 (handle_weakref_attribute): Don't call declare_weak on weakrefs.
1195 * gthr-dce.h: Make weakrefs static.
1196 * gthr-tpf.h: Likewise.
1197 * gthr-solaris.h: Likewise.
1198 * gthr-posix.h: Likewise.
1199 * gthr-posix95.h: Likewise.
1200 * config/darwin.c (darwin_encode_section_info): static weakref
1201 variables are not necessarily defined in this translation unit.
1202 * doc/extend.texi (Function Attributes): Mention that an alias
1203 attribute creates a definition for the thing it's attached to.
1204 Change the documentation for weakref to say that the thing
1205 it's attached to must be static.
1207 * config/rs6000/host-darwin.c (segv_handler): Unblock SEGV so
1208 we don't go into an infinite loop.
1210 2005-12-05 Paolo Bonzini <bonzini@gnu.org>
1212 * config/rs6000/predicates.md (logical_const_operand): Split
1213 out of logical_operand.
1214 (logical_operand): Use it.
1215 * config/rs6000/rs6000.md (cmp -> xor peephole2): Use
1216 logical_const_operand.
1218 2005-12-05 Jan Beulich <jbeulich@novell.com>
1220 * config/i386/i386.c (enum ix86_builtins): Remove IX86_BUILTIN_CMPNEPS
1221 and IX86_BUILTIN_CMPNESS.
1222 (ix86_init_mmx_sse_builtins): Remove ti_ftype_ti_ti.
1223 * config/i386/i386.h (ALIGN_MODE_128): Don't check TFmode explicitly.
1224 * config/i386/i386.md (movti_internal): Correct type attribute.
1225 Simplify mode attribute.
1226 (movti_rex64, movsf_1, movdf_nointeger, movdf_integer, movtf_internal):
1227 Correct type attribute.
1228 (absxf2): Correct operator.
1229 * config/i386/mmx.md (mov<mode>_internal_rex64, mov<mode>_internal,
1230 movv2sf_internal_rex64, movv2sf_internal): Correct type attribute.
1231 * config/i386/sse.md (mov<mode>_internal, movv2df_internal): Simplify
1232 mode attribute.
1233 (sse2_vmsqrtv2df2): Correct mode attribute.
1235 2005-12-05 Jan Beulich <jbeulich@novell.com>
1237 * config/ia64/ia64.md (rotlsi3_internal): Don't split if rotating by
1238 16 bits. Provide insn pattern for this case.
1240 2005-12-05 Jan Beulich <jbeulich@novell.com>
1242 * libgcc2.c (__popcountSI2): Don't use wide type for iterator and
1243 result.
1244 (__popcountDI2): Likewise.
1246 2005-12-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1248 PR target/25166
1249 * pa/pa.c (pa_hpux_init_libfuncs): Add _U_Qfcnvxf_usgl_to_quad and
1250 _U_Qfcnvxf_udbl_to_quad to set of initialized libfuncs.
1251 * pa/quadlib.c (_U_Qfcnvxf_usgl_to_quad, _U_Qfcnvxf_udbl_to_quad): New
1252 functions.
1254 2005-12-04 Joseph S. Myers <joseph@codesourcery.com>
1256 * c-typeck.c (null_pointer_constant_p): New function.
1257 (build_conditional_expr, build_c_cast, convert_for_assignment,
1258 build_binary_op): Use it.
1260 2005-12-04 Joseph S. Myers <joseph@codesourcery.com>
1262 * c-common.c (binary_op_error): Do not allow NOP_EXPR.
1263 (c_common_truthvalue_conversion): Handle NOP_EXPR the same as
1264 CONVERT_EXPR.
1265 (check_function_arguments_recurse): Allow both NOP_EXPR and
1266 CONVERT_EXPR but check conversions preserve precision.
1267 * c-typeck.c (pointer_diff): Allow both NOP_EXPR and CONVERT_EXPR
1268 but check conversions preserve precision.
1269 (build_unary_op): Don't allow NOP_EXPR. Use gcc_unreachable () in
1270 default case.
1272 2005-12-04 Roger Sayle <roger@eyesopen.com>
1274 PR c/7776
1275 * common.opt (Wstring-literal-comparison): New command line option.
1276 * c-opts.c (c_common_handle_option): Set it with -Wall.
1277 * c-typeck.c (parser_build_binary_op): Issue warning if either
1278 operand of a comparison operator is a string literal, except for
1279 testing equality or inequality against NULL.
1281 * doc/invoke.texi: Document new -Wstring-literal-comparison option.
1283 2005-12-03 Joseph S. Myers <joseph@codesourcery.com>
1285 * c-common.c (c_sizeof_or_alignof_type): Use fold_convert instead
1286 of building a NOP_EXPR.
1287 (c_alignof_expr): Likewise. Handle CONVERT_EXPR the same as
1288 NOP_EXPR.
1289 * c-convert.c (convert): Use fold_convert instead of building
1290 NOP_EXPRs and CONVERT_EXPRs directly. Don't special case
1291 c_objc_common_truthvalue_conversion returning a NOP_EXPR. Remove
1292 #if 0 code.
1293 * c-pretty-print.c (pp_c_cast_expression, pp_c_expression): Handle
1294 NOP_EXPR the same as CONVERT_EXPR.
1295 * c-typeck.c (build_function_call): Use fold_convert instead of
1296 building a NOP_EXPR directly.
1297 (build_compound_expr): Handle NOP_EXPR the same as CONVERT_EXPR.
1299 2005-12-03 Alan Modra <amodra@bigpond.net.au>
1301 PR rtl-optimization/25197
1302 * dwarf2out.c (dwarf2out_frame_debug_expr <rule 12>): Assert we
1303 have a reg.
1305 2005-12-02 Stuart Hastings <stuart@apple.com>
1307 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Remove -fpic
1308 warning.
1310 2005-12-03 Joseph S. Myers <joseph@codesourcery.com>
1312 * c-typeck.c (default_function_array_conversion,
1313 build_function_call): Allow for CONVERT_EXPR as well as NOP_EXPR.
1314 (build_conditional_expr): Apply integer_zerop to orig_op1 and
1315 orig_op2. Don't check them for NOP_EXPR.
1316 (build_c_cast, convert_for_assignment): Don't check for NOP_EXPR
1317 around integer zero.
1319 2005-12-03 Alan Modra <amodra@bigpond.net.au>
1321 * config/rs6000/rs6000.c (rs6000_stack_t): Remove toc_save_p,
1322 toc_save_offset, toc_size, lr_size.
1323 (rs6000_stack_info): Use memset rather than bss struct copy to init.
1324 Test rs6000_ra_ever_killed last in condition setting lr_save_p.
1325 Adjust for removal of unused rs6000_stack_t fields.
1326 (debug_stack_info): Adjust.
1327 (rs6000_ra_ever_killed): Expand FIND_REG_INC_NOTE. Test for calls
1328 first, and don't bother checking for set/inc of lr on sibcalls.
1329 (rs6000_emit_epilogue): Tidy code restoring stack pointer.
1331 2005-12-02 Jakub Jelinek <jakub@redhat.com>
1333 PR target/25199
1334 * config/i386/i386.md (movqi_1): Only force imovx for alternative
1335 5 if operand 1 is not aligned. Undo previous constraint change.
1336 * config/i386/predicates.md (aligned_operand): Use MEM_ALIGN.
1338 2005-12-02 Richard Guenther <rguenther@suse.de>
1340 * tree.h (build): Remove prototype.
1341 (build, _buildN1, _buildN2, _buildC1, _buildC2): Remove macros.
1342 * tree.c (build): Remove.
1343 (build0_stat): Update comment.
1345 2005-12-02 Richard Guenther <rguenther@suse.de>
1347 * tree-ssa-loop-im.c (schedule_sm): Use buildN instead of build.
1348 * tree-complex.c (update_complex_assignment, expand_complex_div_wide):
1349 Likewise.
1350 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref,
1351 maybe_fold_offset_to_component_ref): Likewise.
1352 * tree-ssa-dom.c (thread_across_edge,
1353 simplify_rhs_and_lookup_avail_expr,
1354 find_equivalent_equality_comparison, record_equivalences_from_stmt):
1355 Likewise.
1356 * gimple-low.c (lower_function_body, lower_return_expr): Likewise.
1357 * tree-eh.c (do_return_redirection, honor_protect_cleanup_actions,
1358 lower_try_finally_switch): Likewise.
1359 * tree-if-conv.c (add_to_dst_predicate_list,
1360 replace_phi_with_cond_modify_expr, ifc_temp_var): Likewise.
1361 * gimplify.c (internal_get_tmp_var, gimple_build_eh_filter,
1362 voidify_wrapper_expr, build_stack_save_restore, gimplify_bind_expr,
1363 gimplify_return_expr, gimplify_decl_expr, gimplify_switch_expr,
1364 gimplify_case_label_expr, gimplify_exit_expr, gimplify_self_mod_expr,
1365 shortcut_cond_r, shortcut_cond_expr, gimplify_cond_expr,
1366 gimplify_init_ctor_eval, gimplify_init_constructor,
1367 gimplify_variable_sized_compare, gimplify_boolean_expr,
1368 gimplify_cleanup_point_expr, gimple_push_cleanup, gimplify_target_expr,
1369 gimplify_expr, gimplify_body, gimplify_function_tree,
1370 force_gimple_operand): Likewise.
1371 * tree-ssa-pre.c (create_expression_by_pieces): Likewise.
1372 * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for,
1373 mx_register_decls): Likewise.
1374 * tree-nested.c (init_tmp_var, save_tmp_var, get_static_chain,
1375 get_frame_field, finalize_nesting_tree_1): Likewise.
1376 * tree-inline.c (setup_one_parameter): Likewise.
1377 * tree-vect-transform.c (vectorizable_condition): Likewise.
1378 * tree-outof-ssa.c (insert_copy_on_edge, insert_backedge_copies):
1379 Likewise.
1380 * tree-profile.c (tree_gen_edge_profiler): Likewise.
1381 * tree-cfg.c (factor_computed_gotos, gimplify_val): Likewise.
1382 * c-parser.c (c_parser_if_body, c_parser_switch_statement): Likewise.
1383 * tree-chrec.h (build_polynomial_chrec): Likewise.
1385 2005-12-02 Richard Guenther <rguenther@suse.de>
1387 * config/alpha/alpha.c (alpha_va_start, alpha_gimplify_va_arg_1i,
1388 alpha_gimplify_va_arg): Use buildN and fold_buildN where applicable.
1389 * config/frv/frv.c (frv_expand_builtin_va_start): Likewise.
1390 * config/s390/s390.c (s390_va_start, s390_gimplify_va_arg): Likewise.
1391 * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
1392 * config/i386/i386.c (ix86_va_start, ix86_gimplify_va_arg): Likewise.
1393 * config/rs6000/rs6000.c (rs6000_va_start, rs6000_gimplify_va_arg):
1394 Likewise.
1395 * config/sh/sh.c (sh_va_start, sh_gimplify_va_arg_expr,
1396 sh_adjust_unroll_max): Likewise.
1397 * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
1398 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
1399 * config/xtensa/xtensa.c (xtensa_va_start, xtensa_gimplify_va_arg_expr):
1400 Likewise.
1401 * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
1402 Likewise.
1403 * config/mips/mips.c (mips_va_start, mips_gimplify_va_arg_expr):
1404 Likewise.
1406 2005-12-02 Richard Guenther <rguenther@suse.de>
1408 * tree-vrp.c (build_assert_expr_for, process_assert_insertions_for,
1409 simplify_cond_using_ranges): Use buildN instead of build.
1410 * tree-tailcall.c (adjust_accumulator_values,
1411 adjust_return_value): Likewise.
1412 * tree-sra.c (generate_one_element_ref, generate_copy_inout,
1413 generate_element_copy, generate_element_zero,
1414 generate_one_element_init): Likewise.
1415 * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Likewise.
1416 * lambda-code.c (gcc_loop_to_lambda_loop, lbv_to_gcc_expression,
1417 lle_to_gcc_expression, lambda_loopnest_to_gcc_loopnest,
1418 perfect_nestify): Likewise.
1420 2005-12-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1422 * pa.c (pa_secondary_reload): Revise initialization of variable regno.
1424 2005-12-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
1426 * ggc.h (GGC_RESIZEVEC): New.
1428 2005-12-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1430 * gcc.c (execute): Improve readability.
1432 2005-12-02 Richard Guenther <rguenther@suse.de>
1434 * tree-cfg.c (mark_used_vars): New function.
1435 (dump_function_to_file): Dump only used VAR_DECLs.
1437 2005-12-02 Richard Guenther <rguenther@suse.de>
1439 * convert.c (convert_to_integer): Fix compare for nonpositive
1440 constant to use tree_int_cst_sgn <= 0.
1442 2005-12-02 Richard Guenther <rguenther@suse.de>
1444 * convert.c (convert_to_integer): Use fold_convert instead
1445 of fold_build1 (NOP_EXPR, ...). Use tree_int_cst_sgn < 0
1446 instead of comparing against 0. Use build_int_cst instead
1447 of converting integer_zero_node.
1449 2005-12-02 Richard Guenther <rguenther@suse.de>
1451 * tree-pretty-print.c (op_symbol): Handle LROTATE_EXPR
1452 and RROTATE_EXPR.
1454 2005-12-02 Alan Modra <amodra@bigpond.net.au>
1456 PR target/21017
1457 * combine.c (simplify_logical <IOR>): Simplify more patterns to
1458 rotates.
1460 2005-12-02 Alan Modra <amodra@bigpond.net.au>
1462 PR middle-end/25176
1463 * function.c (expand_function_end): Emit blockage for unwinder
1464 after return label.
1466 2005-12-01 Roger Sayle <roger@eyesopen.com>
1468 * tree.h (TREE_OVERFLOW): Make this flag/predicate specific to
1469 constant nodes, i.e. INTEGER_CST, REAL_CST, etc...
1470 * tree-vrp.c (compare_values): Only check TREE_OVERFLOW for
1471 integer constant comparisons.
1473 2005-12-02 Jon Grimm <jgrimm2@us.ibm.com>
1474 Janis Johnson <janis187@us.ibm.com>
1475 David Edelsohn <dje@watson.ibm.com>
1476 Ben Elliston <bje@au.ibm.com>
1478 * dfp.h, dfp.c: New files.
1479 * Makefile.in (DECNUM, DECNUMINC, LIBDECNUMBER): New variables.
1480 (DECNUM_H): Likewise.
1481 (LIBDEPS, LIBS, BACKEND): Append $(LIBDECNUMBER).
1482 (INCLUDES): Append $(DECNUMINC).
1483 (OBJS-common): Add dfp.o.
1484 (dfp.o): New rule.
1485 * real.h (EXP_BITS): Pinch one bit to ..
1486 (struct real_value): Add decimal field.
1487 (real_format): Change table size, update documentation.
1488 (REAL_MODE_FORMAT): Update for to handle float, decimal float.
1489 (real_from_string3): Declare.
1490 (decimal_single_format): Declare.
1491 (decimal_double_format): Declare.
1492 (decimal_quad_format): Declare.
1493 (REAL_VALUE_TO_TARGET_DECIMAL32): New.
1494 (REAL_VALUE_TO_TARGET_DECIMAL64): New.
1495 (REAL_VALUE_TO_TARGET_DECIMAL128): New.
1496 * real.c: Include dfp.h.
1497 (normalize): Early return for decimal floats.
1498 (do_add): Zero decimal field.
1499 (do_compare): Call do_decimal_compare for decimal floats.
1500 (do_fix_trunc): Likewise, call decimal_do_fix_trunc.
1501 (real_arithmetic): Call decimal_real_arithmetic for decimal
1502 floating point operands.
1503 (real_identical): If a and b are of differing radix, return false.
1504 (real_to_integer): Call decimal_real_to_integer if the value is a
1505 decimal float.
1506 (real_to_integer2): Likewise, call decimal_real_to_integer2.
1507 (real_to_decimal): Likewise, call decimal_real_to_decimal.
1508 (real_to_hexadecimal): Place "N/A" in the return string for
1509 decimal float.
1510 (real_from_string3): New variant, given a mode.
1511 (real_maxval): Use decimal_real_maxval for decimal floats.
1512 (round_for_format): Use decimal_round_for_format for decimals.
1513 (real_convert): Use decimal_real_convert where appropriate.
1514 (significand_size): Handle base 10.
1515 (encode_decimal_single, decode_decimal_single,
1516 encode_decimal_double, decode_decimal_double, encode_decimal_quad,
1517 decode_decimal_quad): New functions.
1518 (decimal_single_format): New.
1519 (decimal_double_format): New.
1520 (decimal_quad_format): New.
1521 * machmode.def: Add SD, DD and TD decimal floating point modes.
1522 * machmode.h (FLOAT_MODE_P, SCALAR_FLOAT_MODE_P, MODES_WIDEN_P):
1523 Include MODE_DECIMAL_FLOAT.
1524 (DECIMAL_FLOAT_MODE_P): New.
1525 * mode-classes.def (MODE_DECIMAL_FLOAT): New mode class.
1526 * genmodes.c (struct mode_data): Add counter field.
1527 (struct mode_data): Update comment for format.
1528 (blank_mode): Initialise counter field.
1529 (new_mode): Increment counter field for each mode defined.
1530 (complete_mode): Handle MODE_DECIMAL_FLOAT, update check for mode
1531 using a format.
1532 (make_complex_modes): Handle modes containing `D'.
1533 (DECIMAL_FLOAT_MODE, FRACTIONAL_DECIMAL_FLOAT_MODE): New.
1534 (make_decimal_float_mode): New.
1535 (reset_float_format): Handle MODE_DECIMAL_FLOAT.
1536 (cmp_modes): Compare counter field if other characteristics
1537 similar.
1538 (emit_real_format_for_mode): Support formats for decimal floats.
1539 * doc/rtl.texi (Machine Modes): Document SD, DD and TDmodes.
1540 Document MODE_DECIMAL_FLOAT.
1542 2005-12-02 Alan Modra <amodra@bigpond.net.au>
1544 * simplify-rtx.c (simplify_plus_minus): Do simplify constants.
1545 Delete dead code.
1547 2005-12-01 Richard Henderson <rth@redhat.com>
1549 * optabs.c (expand_vec_cond_expr): Use EXPAND_NORMAL.
1551 2005-12-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1553 * builtins.def (BUILT_IN_PUTC, BUILT_IN_PUTC_UNLOCKED): New.
1555 * config/pa/pa.c (pa_init_builtins): If we detect
1556 DONT_HAVE_FPUTC_UNLOCKED, set builtin fputc_unlocked to
1557 putc_unlocked.
1559 2005-12-01 Richard Guenther <rguenther@suse.de>
1561 * fold-const.c (fold_binary): Use fold_build2, not
1562 fold (build (...)).
1564 2005-12-01 Nathan Sidwell <nathan@codesourcery.com>
1566 * config/ms1/ms1.c (ms1_reorg_hazard): Don't count noop moves.
1568 * vec.h (VEC_block_remove): New.
1570 2005-12-01 Gabriel Dos Reis <gdr@integrable-solutions.net>
1572 PR c/13384
1573 * c-common.c (lvalue_error): Fix wording.
1575 2005-12-01 Richard Guenther <rguenther@suse.de>
1577 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Fix
1578 thinko in last patch.
1580 2005-12-01 Geoffrey Keating <geoffk@apple.com>
1582 * config/t-slibgcc-darwin (SHLIB_LINK): Use -single_module rather
1583 than -flat_namespace.
1585 2005-12-01 Ben Elliston <bje@au.ibm.com>
1587 * mklibgcc.in: Parameterise the script to build soft float
1588 functions by iterating over each type, rather than cloning the
1589 code for each type.
1591 2005-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1593 PR middle-end/25158
1594 * builtins.c (fold_builtin_fputs): Defer check for missing
1595 replacement functions.
1597 2005-11-30 Kean Johnston <jkj@sco.com>
1599 * config/i386/i386.c: Check the value of SUPPORTS_ONE_ONLY, not
1600 simply its presense in case targets #define SUPPORTS_ONE_ONLY 0.
1602 2005-11-30 Richard Guenther <rguenther@suse.de>
1604 PR tree-optimization/22501
1605 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): New
1606 function split out from ...
1607 (forward_propagate_addr_expr): ... here. Use it to propagate
1608 ADDR_EXPRs to all uses.
1610 2005-11-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1612 * tree.h (CASE_FLT_FN, CASE_INT_FN): New macros.
1613 * builtins.c (expand_builtin_mathfn): Use them.
1614 (expand_builtin_mathfn_2): Likewise.
1615 (expand_builtin_mathfn_3): Likewise.
1616 (expand_builtin_int_roundingfn): Likewise.
1617 (expand_builtin): Likewise.
1618 (integer_valued_real_p): Likewise.
1619 (fold_builtin_int_roundingfn): Likewise.
1620 (fold_builtin_bitop): Likewise.
1621 (fold_builtin_logarithm): Likewise.
1622 (fold_builtin_1): Likewise.
1623 * convert.c (convert_to_integer): Likewise.
1624 * fold-const.c (negate_mathfn_p): Likewise.
1625 (tree_expr_nonnegative_p): Likewise.
1627 2005-11-30 Dale Johannesen <dalej@apple.com>
1628 Andrew Pinski <pinskia@physics.uc.edu>
1630 * combine.c (find_split_point): Sign extend bitmask
1631 when changing bitfield assignment to IOR of AND.
1633 2005-11-30 Nathan Sidwell <nathan@codesourcery.com>
1635 * config/ms1/ms1.md (decrement_and_branch_until_zero): Add early
1636 clobber to scratch reg.
1637 (*decrement_and_branch_until_zero_no_clobber): Remove.
1638 (decrement_and_branch peephole): Add dummy scratch reg to pattern.
1639 (mulhish3): Use TARGET_MS1_16_003, TARGET_MS2.
1640 * config/ms1/ms1.opt (mmul): Remove.
1641 * config/ms1/ms1.h (ASM_SPEC): Cope with uppercase arch names.
1642 (LINK_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Default to 16-002.
1644 2005-11-30 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1645 Bernd Schmidt <bernd.schmidt@analog.com>
1647 * pa/predicates.md (symbolic_operand): Add comment.
1648 * pa/pa.md (reload_insi_r1, reload_indi_r1): New reload expanders.
1649 * pa/pa-protos.h (pa_secondary_reload_class): Delete.
1650 * pa/pa.c (TARGET_SECONDARY_RELOAD): Define.
1651 (pa_secondary_reload_class): Delete.
1652 (pa_secondary_reload): New function derived from SECONDARY_RELOAD_CLASS
1653 and pa_secondary_reload_class. Reorder some checks. Update inline
1654 copy of symbolic operand.
1655 * pa/pa.h (SECONDARY_RELOAD_CLASS): Delete.
1657 2005-11-30 Nathan Sidwell <nathan@codesourcery.com>
1659 * loop-doloop.c (add_test): Only add jump notes if we did emit a
1660 jump.
1662 2005-11-30 Jeff Law <law@redhat.com>
1664 * tree-ssa-uncprop.c (associate_equivalences_with_edges): Properly
1665 handle SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
1667 2005-11-30 Jakub Jelinek <jakub@redhat.com>
1669 * config/ia64/ia64.c (ia64_expand_tls_address): Add ORIG_OP1 argument.
1670 Move ADDEND_{HI,LO} computation into TLS_MODEL_INITIAL_EXEC case.
1671 (ia64_expand_move): Adjust caller.
1673 * config/ia64/ia64.c (ia64_expand_atomic_op): Only use
1674 fetchadd{4,8}.acq instruction if CODE is PLUS or MINUS, for MINUS
1675 negate VAL.
1677 2005-11-30 Paolo Bonzini <bonzini@gnu.org>
1679 * simplify-rtx.c (simplify_plus_minus): Remove final parameter.
1680 Always produce an output if we can remove NEGs or canonicalize
1681 (minus (minus ...)) expressions. Provide a fast path for the
1682 two-operand case.
1683 (simplify_gen_binary): Do not call simplify_plus_minus.
1684 (simplify_binary_operation_1): Reassociate at the end of the
1685 function.
1687 2005-11-29 Evan Cheng <evan.cheng@apple.com>
1689 * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS): Rewrite using high/low
1690 moves and unpack to speed up.
1692 2005-11-29 David S. Miller <davem@sunset.davemloft.net>
1694 * config/sparc/sparc.c (gen_compare_reg): Kill 2nd and 3rd
1695 argument, they are always sparc_compare_op0 and sparc_compare_op1.
1696 (gen_v9_scc): Update callers.
1697 * config/sparc/sparc.md: Likewise.
1698 * config/sparc/sparc-protos.h: Update extern declaration.
1700 * tree-into-ssa.c (rewrite_into_ssa): Fix comment typo.
1702 2005-11-29 Andrew Pinski <pinskia@physics.uc.edu>
1704 * fold-const.c (negate_expr) <case BIT_NOT_EXPR>: Add break after
1705 the if.
1707 2005-11-29 Andrew Pinski <pinskia@physics.uc.edu>
1709 * fold-const.c (negate_expr_p): Return true for BIT_NOT_EXPR.
1710 (fold_unary) <case NEGATE_EXPR>: Move -(~a) transformation to ...
1711 (negate_expr): Here.
1713 2005-11-29 Ben Elliston <bje@au.ibm.com>
1715 * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN):
1716 Fix typo in comment.
1718 2005-11-29 Ben Elliston <bje@au.ibm.com>
1720 * Makefile.in (clean-target): Depend on clean-target-libgcc.
1721 (clean-target-libgcc): Import rule from the top-level Makefile.in.
1723 2005-11-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1725 PR middle-end/20109
1726 PR middle-end/25120
1727 * builtins.c (init_target_chars): New.
1728 (expand_builtin_printf, expand_builtin_fprintf,
1729 expand_builtin_sprintf, fold_builtin_sprintf,
1730 maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
1731 fold_builtin_snprintf_chk, fold_builtin_printf,
1732 fold_builtin_fprintf): Check for matching format strings using
1733 the target charset.
1735 2005-11-29 Paul Brook <paul@codesourcery.com>
1737 * config.gcc: Do not use fixproto on m68k-elf.
1739 2005-11-28 Roger Sayle <roger@eyesopen.com>
1741 * expmed.c (div_cost): Replace with...
1742 (sdiv_cost, udiv_cost): New.
1743 (init_expmed): Initialize sdiv_cost and udiv_cost, not div_cost.
1744 Rename the div and mod fields, used to initialize sdiv_pow2_cheap
1745 and smod_pow2_cheap, to sdiv_32 and smod_32 to avoid confusion.
1746 (expand_divmod): Replace use of div_cost with either sdiv_cost
1747 or udiv_cost depending upon the signedness of the operation.
1749 2005-11-28 Alexandre Oliva <aoliva@redhat.com>
1751 PR libfortran/24991
1752 * config/darwin.c (machopic_indirection_name,
1753 machopic_output_indirection): Follow transparent alias chain.
1755 2005-11-28 Alexandre Oliva <aoliva@redhat.com>
1757 * varasm.c (ultimate_transparent_alias_target): Add comment.
1759 2005-11-28 Kazu Hirata <kazu@codesourcery.com>
1761 * config/m68k/m68k.c (notice_update_cc): Use SET_DEST and
1762 SET_SRC instead of XEXP where appropriate.
1764 2005-11-28 Joseph S. Myers <joseph@codesourcery.com>
1766 * config/fp-bit.c (isnan, isinf, pack_d, unpack_d): Use
1767 __builtin_expect.
1769 2005-11-28 Joseph S. Myers <joseph@codesourcery.com>
1771 * config/fp-bit.h (LSHIFT): Take shift count parameter.
1772 * config/fp-bit.c (_fpadd_parts): Shift in one go instead of one
1773 bit at a time.
1775 2005-11-28 Bernd Schmidt <bernd.schmidt@analog.com>
1777 * config/bfin/bfin.c (bfin_secondary_reload): Renamed from
1778 secondary_input_reload_class, made static. Adapt to new
1779 infrastructure.
1780 (secondary_output_reload_class): Delete.
1781 (TARGET_SECONDARY_RELOAD): New macro.
1782 * config/bfin/bfin.h (SECONDARY_INPUT_RELOAD_CLASS,
1783 SECONDARY_OUTPUT_RELOAD_CLASS): Delete.
1785 2005-11-28 Nathan Sidwell <nathan@codesourcery.com>
1787 PR c++/21166
1788 * c-decl.c (finish_struct): Only set DECL_PACKED on a field
1789 when its natural alignment is > BITS_PER_UNIT.
1790 * stor-layout.c (finalize_type_size): Revert my patch of 2005-08-08.
1791 * c-common.c (handle_packed_attribute): Ignore packing on a field
1792 whose type is naturally char aligned.
1794 2005-11-28 Richard Guenther <rguenther@suse.de>
1796 * c-common.c (strict_aliasing_warning): Handle all
1797 component-ref like accesses.
1799 2005-11-28 Roger Sayle <roger@eyesopen.com>
1800 Uros Bizjak <uros@kss-loka.si>
1802 PR middle-end/20219
1803 * fold-const.c (fold binary) <RDIV_EXPR>: Optimize
1804 sin(x)/tan(x) as cos(x) and tan(x)/sin(x) as 1.0/cos(x)
1805 when flag_unsafe_math_optimizations is set and
1806 we don't care about NaNs or Infinities.
1808 Move x/expN(y) and x/pow(y,z) transformation into common
1809 flag_unsafe_math_optimizations section.
1811 2005-11-27 Mark Mitchell <mark@codesourcery.com>
1813 * gcc.c (main): Change type of argv to "char **".
1815 2005-11-28 Alan Modra <amodra@bigpond.net.au>
1817 * doc/invoke.texi (powerpc msdata-data): Static data doesn't go in
1818 small data sections.
1819 * config/rs6000/rs6000.c (rs6000_elf_in_small_data_p): Make global.
1820 * config/rs6000/rs6000-protos.h: (rs6000_elf_in_small_data_p): Declare.
1821 * config/rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Rename to..
1822 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): ..this, adding extra parm. Don't
1823 output locals to sbss if !rs6000_elf_in_small_data_p.
1824 (ASM_OUTPUT_ALIGNED_BSS): Adjust for above.
1826 2005-11-28 Alan Modra <amodra@bigpond.net.au>
1828 PR target/24997
1829 * config/rs6000/rs6000.c (legitimate_indexed_address_p): Allow pattern
1830 generated by reload.
1831 * config/rs6000/predicates.md (indexed_or_indirect_operand): Use
1832 indexed_or_indirect_address.
1833 (indexed_or_indirect_address): Don't test for base reg. Call
1834 address_operand last. Make it a special predicate.
1836 2005-11-27 Kazu Hirata <kazu@codesourcery.com>
1838 * config/m68k/m68k.c (notice_update_cc): Remove useless code.
1840 2005-11-27 Andrew Pinski <pinskia@physics.uc.edu>
1842 PR middle-end/24575
1843 * fold-const.c (negate_expr_p): Add case for signed divides if overflow
1844 is undefined.
1845 (negate_expr): Likewise.
1847 2005-11-27 Andreas Schwab <schwab@suse.de>
1849 * config/m68k/m68k.c: Reindent and fix whitespace, remove
1850 redundant parens.
1852 2005-11-27 Steven Bosscher <stevenb@suse.de>
1854 * cfgcleanup.c (try_crossjump_to_edge): Always split SRC2 if it
1855 has EH predecessor edges.
1857 2005-11-26 Eric Christopher <echristo@apple.com>
1859 * config/i386/i386.md (*zero_extendqihi2_movzbw): Avoid partial
1860 register stalls by zero extending to the full register.
1862 2005-11-27 Joseph S. Myers <joseph@codesourcery.com>
1864 * config/floatunsisf.c, config/floatunsidf.c,
1865 config/floatunsixf.c, config/floatunsitf.c: New files.
1866 * config/ia64/t-hpux: Add floatunsitf.c.
1867 * config/ia64/ia64.c (ia64_init_libfuncs): Use
1868 _U_Qfcnvxuf_dbl_to_quad for unsigned DImode-to-TFmode conversion.
1870 2005-11-26 Richard Henderson <rth@redhat.com>
1872 * c-lex.c (pragma_lex): Rename from c_lex.
1873 * c-pch.c: Update for pragma_lex rename.
1874 * c-pragma.c, c-pragma.h, config/ia64/ia64-c.c: Likewise.
1875 * config/m32c/m32c-pragma.c, config/darwin-c.c: Likewise.
1876 * config/rs6000/rs6000-c.c, config/c4x/c4x-c.c: Likewise.
1877 * config/sol2-c.c, config/v850/v850-c.c: Likewise.
1878 * doc/tm.texi: Likewise.
1880 2005-11-26 Andrew Pinski <pinskia@physics.uc.edu>
1882 PR middle-end/23669
1883 * fold-const.c (fold_binary): Convert -A/-B to A/B for signed types
1884 when overflow is undefined.
1886 2005-11-26 Hans-Peter Nilsson <hp@axis.com>
1888 * doc/md.texi (Insn Canonicalizations): Refer to the
1889 function commutative_operand_precedence for further rules.
1891 2005-11-25 Roger Sayle <roger@eyesopen.com>
1893 PR middle-end/21309
1894 * expmed.c (choose_mult_variant): Return immediately when mult_cost
1895 is less than zero. Limit mult_cost to a reasonable upper bound for
1896 the synthetic multiplication sequence.
1898 2005-11-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1900 PR middle-end/25022
1901 * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
1902 fold_builtin_fputs, fold_builtin_printf, fold_builtin_fprintf):
1903 Lookup the explicit replacement functions for any unlocked
1904 stdio builtin transformations.
1906 2005-11-25 Hans-Peter Nilsson <hp@axis.com>
1908 * config/cris/cris.md ("reload_out<mode>"): Mark operand 2 as
1909 earlyclobber.
1910 * targhooks.c (default_secondary_reload): Don't require operand 2
1911 for an input reload to be earlyclobber.
1913 2005-11-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1915 * fold-const.c (negate_mathfn_p): Fix comment and add support
1916 for BUILT_IN_CBRT, BUILT_IN_SINH, BUILT_IN_TANH, BUILT_IN_ASINH,
1917 BUILT_IN_ATANH.
1919 2005-11-25 Joseph S. Myers <joseph@codesourcery.com>
1921 PR middle-end/24998
1922 * config/sparc/sparc.c (sparc_init_libfuncs): Use _Q_utoq and
1923 _Q_ulltoq for unsigned conversions from SImode and DImode to
1924 TFmode.
1926 2005-11-25 Alan Modra <amodra@bigpond.net.au>
1928 * config/rs6000/ppc64-fp.c (__floatunditf): New function.
1929 (__floatundidf, __floatundisf): Likewise.
1931 2005-11-25 David Edelsohn <edelsohn@gnu.org>
1933 * config/rs6000/rs6000.c (rs6000_sr_alias_set): Delete.
1934 (rs6000_override_options): Remove initialization of
1935 rs6000_sr_alias_set.
1936 (rs6000_emit_eh_reg_restore): Use gen_frame_mem.
1937 (rs6000_emit_stack_tie): Same.
1938 (emit_frame_save): Same.
1939 (gen_frame_mem_offset): Same.
1940 (rs6000_emit_prologue): Same.
1941 (rs6000_emit_epilogue): Same.
1943 2005-11-25 Andrew Pinski <pinskia@physics.uc.edu>
1945 PR middle-end/24989
1946 * fold-const.c (fold_build): Convert bool_var != 1 and
1947 bool_var == 0 to !bool_var.
1949 2005-11-25 Andrew Pinski <pinskia@physics.uc.edu>
1951 PR middle-end/24990
1952 * fold-const.c (fold_binary): Fold (~a) == C to a == ~C
1953 for C being INTEGER_CST. Likewise for !=.
1955 2005-11-25 Joseph S. Myers <joseph@codesourcery.com>
1957 PR middle-end/24998
1958 * config/rs6000/rs6000.c (rs6000_init_libfuncs): Use _q_utoq for
1959 unsigned conversions from SImode to TFmode.
1961 2005-11-24 Bernd Schmidt <bernd.schmidt@analog.com>
1963 * expr.c (expand_expr_real_1): Fix error in last change.
1965 2005-11-24 J"orn Rennecke <joern.rennecke@st.com>
1967 * caller-save.c: (this_insn_sets): Move into:
1968 (save_call_clobbered_regs).
1969 (mark_set_regs): Get this_insn_sets from data.
1971 (save_call_clobbered_regs): Take sets of the return value by
1972 sibcalls into account.
1974 2005-11-24 J"orn Rennecke <joern.rennecke@st.com>
1975 PR target/21623:
1977 * regclass.c (FORBIDDEN_INC_DEC_CLASSES): Remove
1978 SECONDARY_INPUT_RELOAD_CLASS and SECONDARY_OUTPUT_RELOAD_CLASS tests.
1979 (init_fake_stack_mems): Remove HAVE_SECONDARY_RELOADS test.
1980 (memory_move_secondary_cost, init_reg_autoinc): Remove
1981 SECONDARY_INPUT_RELOAD_CLASS / SECONDARY_OUTPUT_RELOAD_CLASS tests.
1982 Replace SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with
1983 secondary_reload_class call.
1984 (copy_cost): Likewise. Add new parameter prev_sri. Changed all
1985 callers.
1986 * reload.c (entire file): Remove HAVE_SECONDARY_RELOADS checks.
1987 (push_secondary_reload): Use secondary_reload target hook.
1988 (secondary_reload_class, scratch_reload_class): New functions.
1989 (push_reload): Remove SECONDARY_INPUT_RELOAD_CLASS and
1990 SECONDARY_OUTPUT_RELOAD_CLASS tests. Replace
1991 SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with secondary_reload_class call.
1992 * reload.h (HAVE_SECONDARY_RELOADS): Don't define nor test.
1993 (secondary_reload_class, scratch_reload_class): Declare.
1994 * reload1.c: Include target.h.
1995 (reload_adjust_reg_for_temp): New function.
1996 (reload_adjust_reg_for_icode): Likewise.
1997 (choose_reload_regs): Remove SECONDARY_INPUT_RELOAD_CLASS test.
1998 Replace SECONDARY_INPUT_RELOAD_CLASS use with secondary_reload_class
1999 call.
2000 (emit_input_reload_insns): Likewise. Rewrite secondary reload checks
2001 for inheritance. Support case when both secondary & tertiary reloads
2002 are for intermediate registers.
2003 (emit_output_reload_insns): Replace SECONDARY_OUTPUT_RELOAD_CLASS use
2004 with secondary_reload_class call. Support case when both secondary
2005 & tertiary reloads are for intermediate registers.
2006 * target-def.h (TARGET_SECONDARY_RELOAD): Provide default definition.
2007 (TARGET_INITIALIZER) Add TARGET_SECONDARY_RELOAD.
2008 * target.h (secondary_reload_info): New struct / typedef.
2009 (struct gcc_target): New member secondary_reload.
2010 * targhooks.c Include reload.h, optabs.h and recog.h.
2011 (default_secondary_reload): New function.
2012 * targhooks.h (default_secondary_reload): Declare.
2013 * doc/tm.texi: Document secondary_reload target hook. Update
2014 description of SECONDARY_*RELOAD_CLASS and reload_{in,out}<mode>.
2015 * doc/md.texi: Likewise.
2017 * sh-protos.h (sh_secondary_reload): Declare.
2018 * sh.c (TARGET_SECONDARY_RELOAD): Override.
2019 (sh_secondary_reload): New function.
2020 * sh.h (SECONDARY_INOUT_RELOAD_CLASS): Don't define.
2021 (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
2022 (SECONDARY_INPUT_RELOAD_CLASS): Likewise.
2023 (HAVE_SECONDARY_RELOADS): Define.
2024 * sh.md (reload_indf): Rename to:
2025 (reload_indf__frn).
2026 (reload_outdf): Rename to:
2027 (reload_outdf__RnFRm).
2028 (reload_insf): Rename to:
2029 (reload_insf__frn).
2030 (reload_insi): Rename to:
2031 (reload_insi__i_fpul).
2033 2005-11-24 Uros Bizjak <uros@kss-loka.si>
2035 * configure.ac: Require at least texinfo 4.4.
2036 * configure: Regenerate.
2038 * doc/install.texi (Tools/packages necessary for building GCC):
2039 Update required version of texinfo to at least 4.4.
2040 (Installing GCC: Building): Update required version of texinfo
2041 to at least 4.4.
2042 (Installing GCC: Final installation): Update required version
2043 of texi2dvi to at least 4.4.
2044 (Host/target specific installation notes for GCC): Update required
2045 version of texinfo to at least 4.4.
2047 2005-11-24 Richard Guenther <rguenther@suse.de>
2048 Dirk Mueller <dmueller@suse.de>
2050 PR c++/14024
2051 * c-common.h (strict_aliasing_warning): Declare.
2052 * c-common.c (strict_aliasing_warning): New function,
2053 split out from ...
2054 * c-typeck.c (build_c_cast): ... here.
2056 2005-11-24 Paolo Bonzini <bonzini@gnu.org>
2058 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
2059 to order operands.
2060 (swap_commutative_operands_with_target): New.
2062 2005-11-24 Paolo Bonzini <bonzini@gnu.org>
2064 * gcse.c (hash_scan_set): Look through REG_EQUAL or REG_EQUIV notes
2065 also when doing PRE, rather than only for global CPROP.
2067 2005-11-24 Ben Elliston <bje@au.ibm.com>
2069 * machmode.h (CLASS_HAS_WIDER_MODES_P): New macro.
2070 * optabs.c (expand_binop): Use CLASS_HAS_WIDER_MODES_P, improve
2071 formatting.
2072 (expand_twoval_unop): Likewise.
2073 (widen_clz): Likewise.
2074 (expand_parity): Likewise.
2075 (expand_unop): Likewise.
2076 (emit_cmp_and_jmp_insn_1): Likewise.
2077 (prepare_float_lib_cmp): Likewise.
2079 2005-11-24 Ben Elliston <bje@au.ibm.com>
2081 * optabs.c (prepare_cmp_insn): Use SCALAR_FLOAT_MODE_P.
2082 Remove unused `class' variable.
2084 2005-11-23 Gabriel Dos Reis <gdr@integrable-solutions.net>
2086 PR c++/21667
2087 * c-typeck.c (build_array_ref): Avoid code duplicate. Use common
2088 C/C++ diagnostic function warn_array_subscript_with_type_char.
2089 * c-common.h (warn_array_subscript_with_type_char): Declare.
2090 * c-common.c (warn_array_subscript_with_type_char): Define.
2092 2005-11-23 Gabriel Dos Reis <gdr@integrable-solutions.net>
2094 PR c/21668
2095 * c-decl.c (grokdeclarator): Don't warn for 'extern const' when
2096 compiling at the intersection of C and C++.
2098 2005-11-23 Mark Mitchell <mark@codesourcery.com>
2100 * doc/invoke.texi: For man pages, include gcc-vers.texi.
2101 List @file in the option summary. Include the libiberty
2102 documentation for @file.
2103 * gcc.c (main): Call expandargv.
2104 * Makefile.in (gcc-vers.texi): Define srcdir.
2106 2005-11-23 Diego Novillo <dnovillo@redhat.com>
2108 * passes.c (init_optimization_passes): Document
2109 sequencing of passes.
2111 2005-11-23 Kazu Hirata <kazu@codesourcery.com>
2113 * config/m68k/predicates.md (pcrel_address, extend_operator,
2114 post_inc_operand, pre_dec_operand): Remove redundant
2115 conditionals.
2116 (const_uint32_operand, const_sint32_operand): Use gcc_assert
2117 instead of abort.
2118 (valid_dbcc_comparison_p): Rewrite in the lisp style.
2120 2005-11-23 Ben Elliston <bje@au.ibm.com>
2122 * dwarf2.h (enum dwarf_type): Add DW_ATE_decimal_float.
2124 2005-11-22 J"orn Rennecke <joern.rennecke@st.com>
2126 Preparatory work for PR target/21623:
2127 * alpha.c (secondary_reload_class): Rename to:
2128 (alpha_secondary_reload_class).
2129 * alpha.h, alpha-protos.h: Likewise.
2130 * mn10300.c (secondary_reload_class): Rename to:
2131 (mn10300_secondary_reload_class).
2132 * mn10300.h, mn10300-protos.h: Likewise.
2133 * pa.c (secondary_reload_class): Rename to:
2134 (pa_secondary_reload_class).
2135 * pa.h, pa-protos.h: Likewise.
2136 * rs6000.c (secondary_reload_class): Rename to:
2137 rs6000_secondary_reload_class.
2138 * rs6000.h, rs6000-protos.h: Likewise.
2140 2005-11-22 Eric Botcazou <ebotcazou@adacore.com>
2142 PR middle-end/22561
2143 * tree-ssa-structalias.c (get_constraint_for): Handle ARRAY_RANGE_REF.
2145 2005-11-22 Ian Lance Taylor <ian@airs.com>
2147 * optabs.c (expand_unop): Call SCALAR_FLOAT_MODE_P on a mode, not
2148 a mode_class.
2149 (prepare_cmp_insn): Likewise.
2151 2005-11-22 Kazu Hirata <kazu@codesourcery.com>
2153 PR target/23435
2154 * m68k.md (zero_extendsidi2): Force operands[1] to a register
2155 if both operands[0] and operands[1] are memory.
2157 2005-11-22 Andrew Pinski <pinskia@physics.uc.edu>
2159 PR middle-end/23606
2160 * fold-const.c (fold_unary) <case NOP_EXPR, CONVERT_EXPR>: For
2161 COMPARISON_CLASS_P and an integral types create create a new
2162 expression with the new type and fold that.
2164 2005-11-22 Andrew Pinski <pinskia@physics.uc.edu>
2166 PR target/24988
2167 * config/rs6000/darwin.h (TARGET_OS_CPP_BUILTINS): Remove call
2168 to SUBTARGET_OS_CPP_BUILTINS.
2170 2005-11-22 Richard Earnshaw <richard.earnshaw@arm.com>
2172 * arm.c (emit_set_insn): New function.
2173 (arm_split_constant): Call it.
2174 (arm_gen_compare_reg, arm_reload_in_hi, arm_reload_out_hi): Likewise.
2175 (arm_legitimize_address): Likewise. Use plus_constant.
2176 (arm_expand_prologue): Likewise. Use VOIDmode in SET.
2177 (thumb_expand_prologue): Likewise.
2178 (arm_gen_load_multiple): Use VOIDmode in SET.
2179 (arm_gen_store_multiple): Likewise.
2180 (vfp_emit_fstmx): Likewise. Use plus_constant.
2181 (emit_multi_reg_push): Likewise.
2182 (emit_sfm): Use plus_constant.
2184 2005-11-23 Alan Modra <amodra@bigpond.net.au>
2186 PR target/24954
2187 * config/rs6000/predicates.md (easy_vector_constant_add_self): Fix
2188 typo last change.
2190 2005-11-22 Alan Modra <amodra@bigpond.net.au>
2192 PR middle-end/24950
2193 * expmed.c (store_bit_field): Don't attempt to insv a field
2194 larger than the reg.
2196 2005-11-22 Alan Modra <amodra@bigpond.net.au>
2198 PR target/24954
2199 * config/rs6000/predicated.md (easy_vector_constant_add_self): Use
2200 explicit sign extension, not a (char) cast.
2202 2005-11-22 Ben Elliston <bje@au.ibm.com>
2204 * optabs.c: Use SCALAR_FLOAT_MODE_P instead of explicitly testing
2205 GET_MODE_CLASS (x) == MODE_FLOAT.
2206 * config/i386/i386.c: Likewise.
2207 * config/rs6000/xcoff.h: Likewise.
2208 * config/rs6000/linux64.h: Likewise.
2209 * config/rs6000/rs6000.c: Likewise.
2210 * config/rs6000/rs6000.h: Likewise.
2211 * config/rs6000/predicates.md: Likewise.
2212 * config/rs6000/sysv4.h: Likewise.
2214 2005-11-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2216 * c-cppbuiltin.c (c_cpp_builtins): Define __pic__ and __PIC__ when
2217 flag_pic is set.
2219 * config/alpha/freebsd.h, config/alpha/linux.h,
2220 config/arm/linux-elf.h, config/bfin/bfin.h,
2221 config/cris/linux.h, config/darwin.h, config/freebsd-spec.h,
2222 config/i386/beos-elf.h, config/i386/gnu.h,
2223 config/i386/linux.h, config/i386/linux64.h, config/i386/nto.h,
2224 config/i386/sco5.h, config/m32r/m32r.h, config/m68k/linux.h,
2225 config/m68k/m68k.h, config/mips/linux.h, config/pa/pa-linux.h,
2226 config/rs6000/linux64.h, config/rs6000/sysv4.h,
2227 config/rs6000/vxworks.h, config/s390/linux.h, config/s390/tpf.h,
2228 config/sh/linux.h, config/sh/sh.h, config/sol2.h,
2229 config/sparc/linux.h, config/sparc/linux64.h,
2230 config/xtensa/xtensa.h: Don't define __pic__ or __PIC__.
2232 * doc/invoke.texi: Document that the macros __pic__ and __PIC__
2233 are both defined when either flag -fpic or -fPIC are used.
2235 2005-11-22 Joseph S. Myers <joseph@codesourcery.com>
2237 * config/fp-bit.c (clzusi): New function.
2238 (si_to_float, usi_to_float): Use it to compute proper shift.
2239 (usi_to_float): Preserve guard bits when shifting right.
2240 * libgcc-std.ver (GCC_4.2.0): New version.
2241 * libgcc2.c (__floatundixf, __floatunditf, __floatundidf,
2242 __floatundisf): New functions.
2243 * libgcc2.h (__floatundixf, __floatunditf, __floatundidf,
2244 __floatundisf): Declare.
2245 * mklibgcc.in (lib2funcs): Add _floatundidf, _floatundisf,
2246 _floatundixf, and _floatunditf.
2247 * optabs.c (expand_float): If target does not define a pattern for
2248 signed or unsigned conversion, use an unsigned libcall instead of
2249 a signed one.
2250 (init_optabs): Initialize ufloat_optab.
2252 2005-11-22 Joseph S. Myers <joseph@codesourcery.com>
2254 * config/rs6000/rs6000.opt (mmulhw): New option.
2255 * doc/invoke.texi (-mmulhw): Document.
2256 * config/rs6000/rs6000.c (rs6000_override_options): Enable -mmulhw
2257 for 405 and 440.
2258 * config/rs6000/rs6000.md: Add half-word multiply and
2259 multiply-accumulate instructions for 405 and 440.
2261 2005-11-21 Joel Sherrill <joel.sherrill@oarcorp.com>
2263 * config/arm/rtems-elf.h: Added definition of LINK_GCC_C_SEQUENCE_SPEC
2264 which matches behavior of gcc 4.0 and older for RTEMS targets. The
2265 default now includes a linker group which makes the RTEMS one nest.
2267 2005-11-22 Ben Elliston <bje@au.ibm.com>
2269 * cse.c (fold_rtx): Typo fix.
2270 (find_comparison_args): Pass the mode of arg1, not arg1 itself.
2272 2005-11-21 Richard Henderson <rth@redhat.com>
2274 * c-common.c, config/darwin-c.c, c-decl.c, c-tree.h, c-objc-common.h,
2275 langhooks-def.h, langhooks.h: Revert 2005-11-18 lookup_name patch.
2277 * c-tree.h (lookup_name): Move declaration ...
2278 * c-common.h (lookup_name): ... here.
2279 * config/darwin-c.c: Include c-common.h.
2280 * config/t-darwin: Update dependencies.
2282 2005-11-22 Ben Elliston <bje@au.ibm.com>
2284 * optabs.c (expand_abs_nojump): Use SCALAR_FLOAT_MODE_P instead of
2285 explicitly testing GET_MODE_CLASS (x) == MODE_FLOAT.
2286 * genopinit.c (gen_insn): Likewise.
2287 * reload.c (find_equiv_reg): Likewise.
2288 * loop.c (load_mems): Likewise.
2289 * rtlanal.c (may_trap_p_1, canonicalize_condition): Likewise.
2290 * cse.c (find_comparison_args, fold_rtx): Likewise.
2291 * dwarf2out.c (add_const_value_attribute): Likewise.
2292 * expr.c (convert_move): Likewise.
2293 * recog.c (general_operand, register_operand): Likewise.
2294 * reg-stack.c (replace_reg): Likewise.
2295 * tree-vect-generic.c (type_for_widest_vector_mode): Likewise.
2296 * c-common.c (handle_vector_size_attribute): Likewise.
2297 * simplify-rtx.c (simplify_const_unary_operation): Likewise.
2298 (simplify_binary_operation_1): Likewise.
2299 (simplify_const_binary_operation): Likewise.
2300 (simplify_relational_operation): Likewise.
2301 (simplify_const_relational_operation): Likewise.
2302 (simplify_immed_subreg): Likewise.
2303 * emit-rtl.c (gen_lowpart_common): Likewise.
2304 * expmed.c (expand_mult): Likewise.
2305 * stor-layout.c (layout_type): Likewise.
2307 2005-11-21 Paolo Bonzini <bonzini@gnu.org>
2309 PR target/24951
2310 * config/rs6000/rs6000.c (output_vec_const_move): Load cst and
2311 cst2 only for SPE vectors.
2313 2005-11-21 David Edelsohn <edelsohn@gnu.org>
2315 PR target/24953
2316 * config/rs6000/predicates.md (vrsave_operation): Check
2317 UNSPEC_VOLATILE value.
2319 2005-11-21 Jan Hubicka <jh@suse.cz>
2321 PR tree-optimization/24653
2322 * tree-ssa-ccp.c (ccp_fold): Strip down useless conversions.
2324 2005-11-21 Uros Bizjak <uros@kss-loka.si>
2326 * config/i386/predicates.md (ax_reg_operand): New predicate.
2327 (memory_displacement_only_operand): New predicate.
2328 * config/i386/i386.md ("modrm" attribute): Return 0 if one
2329 operand is AX register and the other operand is memory operand
2330 with displacement only.
2332 2005-11-21 Uros Bizjak <uros@kss-loka.si>
2334 * fold-const.c (fold_binary) <RDIV_EXPR>: Optimize A / A to 1.0
2335 if we don't care about NaNs or Infinities.
2337 2005-11-20 Ian Lance Taylor <ian@airs.com>
2339 PR rtl-optimization/24883
2340 * combine.c (combinable_i3pat): When checking whether the
2341 destination of i3 is used in i3, consider paradoxical subregs.
2343 2005-11-21 Kazu Hirata <kazu@codesourcery.com>
2345 PR middle-end/20583
2346 * cse.c (cse_insn): Reject invalid forms of CONST earlier.
2348 2005-11-20 Joseph S. Myers <joseph@codesourcery.com>
2350 * combine.c (try_combine): Do not run subst on i1src and i2src in
2351 the case of generating a PARALLEL for a comparison.
2353 2005-11-20 Richard Henderson <rth@redhat.com>
2355 PR 24931
2356 * tree-sra.c (struct sra_elt): Add all_no_warning.
2357 (struct sra_walk_fns) <use>: Add use_all argument.
2358 (sra_walk_expr): Pass it.
2359 (sra_walk_modify_expr): Likewise.
2360 (scalarize_ldst): Likewise.
2361 (scan_use): Update for new argument.
2362 (mark_no_warning): New.
2363 (scalarize_use): Use it.
2365 2005-11-20 Bernd Schmidt <bernd.schmidt@analog.com>
2367 * expr.c (expand_expr_real): Use usmul_optab for widening
2368 signed * unsigned multiplies.
2369 * genopinit.c (optabs): Add usmul_widen_optab.
2370 * optabs.c (init_optabs): Likewise.
2371 * optabs.h (enum optab_index): Add OTI_usmul_widen.
2372 (usmul_widen_optab): Define.
2373 * config/bfin/bfin.md (usmulhisi3): New pattern.
2375 * doc/md.texi (usmulqihi3, usmulhisi3, usmulsidi3): Document.
2377 2005-11-20 Graham Stott <btinternet.com>
2379 * gensupport.c (std_preds): Fixed extraneous `false` in last change.
2381 2005-11-20 Andreas Schwab <schwab@suse.de>
2383 PR target/24757
2384 * config/ia64/ia64.c (ia64_expand_atomic_op): Fix condition of cmp
2385 insn.
2387 2005-11-19 Richard Henderson <rth@redhat.com>
2389 PR tree-opt/24665
2390 * tree-gimple.c (is_gimple_id): Export.
2391 * tree-gimple.h (is_gimple_id): Declare.
2392 * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): New.
2393 (get_default_value): Use it.
2394 (maybe_fold_stmt_indirect): Likewise.
2396 2005-11-19 James A. Morrison <phython@gcc.gnu.org>
2398 * tree-vrp.c (compare_ranges): Return false for EQ_EXPR if VR0 is less
2399 than VR1 or vice-versa.
2401 2005-11-19 Hans-Peter Nilsson <hp@axis.com>
2403 PR middle-end/24912
2404 PR middle-end/24750
2405 * reload.c (find_reloads_address_1): Mention dependency on
2406 gen_reload.
2407 * reload1.c (gen_reload): For IN with an unary operation, try
2408 moving inner expression to OUT if trivial SET is not valid.
2409 Confirm that the result is valid. Move common code block into...
2410 (emit_insn_if_valid_for_reload): New function.
2412 2005-11-19 Richard Guenther <rguenther@suse.de>
2414 * fold-const.c (fold_indirect_ref_1): Make sure we fold
2415 ARRAY_REFs of constant strings.
2417 2005-11-19 Jakub Jelinek <jakub@redhat.com>
2419 * gcc.c (version_compare_spec_function): Use '%s' rather than %qs in
2420 fatal format string.
2422 2005-11-19 Joseph S. Myers <joseph@codesourcery.com>
2424 * combine.c (make_compound_operation): Swap operands of
2425 commutative operation if necessary before returning.
2427 2005-11-19 Richard Guenther <rguenther@suse.de>
2429 PR middle-end/23294
2430 * fold-const.c (fold_plusminus_mult_expr): New function.
2431 (fold_binary): Use to canonicalize PLUS_EXPR and MINUS_EXPR
2432 cases, remove now unnecessary code.
2434 2005-11-19 Paolo Bonzini <bonzini@gcc.gnu.org>
2436 * gensupport.c (old_preds): Rename to std_preds, add special field.
2437 (struct old_pred_table): Rename to struct std_pred_table, add special
2438 field.
2439 (NUM_KNOWN_OLD_PREDS): Rename to NUM_KNOWN_STD_PREDS.
2440 (NUM_OLD_SPECIAL_MODE_PREDS): Remove.
2441 (init_predicate_table): Adjust, and set along the way whether a
2442 predicate is special.
2444 2005-11-18 Mark Mitchell <mark@codesourcery.com>
2446 * BASE-VER: Change to 4.2.0.
2448 2005-11-18 James E Wilson <wilson@specifix.com>
2450 * builtins.c (fold_builtin_strstr): Pass s1 through fold_convert before
2451 returning it.
2453 2005-11-18 Mike Stump <mrs@apple.com>
2455 * c-common.c (handle_cleanup_attribute): Use a lang hook for lookup_name.
2456 * config/darwin-c.c (darwin_pragma_unused): Likewise.
2457 * c-decl.c (lookup_name_two) Remove.
2458 * c-tree.h (lookup_name_two): Remove.
2459 * c-objc-common.h (LANG_HOOKS_LOOKUP_NAME): Add.
2460 * langhooks-def.h (LANG_HOOKS_LOOKUP_NAME): Add.
2461 (LANG_HOOKS_DECLS): Add initializer for LANG_HOOKS_LOOKUP_NAME.
2462 * langhooks.h (lang_hooks_for_decls): Add lookup_name.
2464 2005-11-18 Richard Earnshaw <richard.earnshaw@arm.com>
2466 PR target/24914
2467 * arm.c (arm_hard_regno_mode_ok): Co-processor registers aren't ok
2468 when not generating code to use that co-processor.
2470 2005-11-18 James A. Morrison <phython@gcc.gnu.org>
2472 * tree-flow.h (reserve_phi_args_for_new_edge, create_phi_node,
2473 add_phi_arg, remove_phi_args, remove_phi_node phi_reverse): Mention that
2474 these functions are now in tree-phinodes.c.
2476 2005-11-18 Jie Zhang <jie.zhang@analog.com>
2478 * config/bfin/bfin.md (trap): New pattern.
2480 2005-11-18 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2482 * tree-ssa-dom.c (extract_range_from_cond): Deal with variable bounds
2483 on types.
2485 * expr.c (expand_expr_real): Don't call record_block_change unless
2486 ib_boundaries_block is non-null
2488 * postreload.c (reload_cse_move2add): Don't try to work with BImode.
2490 * fold-const.c (build_range_check): Use proper type for subtraction
2491 when merging lower bound.
2493 2005-11-18 Zdenek Dvorak <dvorakz@suse.cz>
2495 PR rtl-optimization/24497
2496 * loop-unroll.c (apply_opt_in_copies): Do not verify equality of
2497 the copied insn.
2499 2005-11-18 Zdenek Dvorak <dvorakz@suse.cz>
2501 * tree-scalar-evolution.c (expression_expensive_p): New function.
2502 (scev_const_prop): Use compute_overall_effect_of_inner_loop.
2504 2005-11-18 Bernd Schmidt <bernd.schmidt@analog.com>
2506 * config/bfin/crtlibid.s: New file.
2508 2005-11-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2510 PR target/24348
2511 * config.gcc (hppa*-*-hpux*): Add pa/t-slibgcc-elf-ver to tmake config
2512 when not using sjlj exceptions.
2513 * config/pa/pa64-hpux.h (LIB_SPEC): Add -lpthread in static links.
2514 * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
2515 * config/pa/som.h (ASM_PREFERRED_EH_DATA_FORMAT): Delete define.
2516 * config/pa/linux-unwind.h (pa32_fallback_frame_state): Use
2517 DWARF_ALT_FRAME_RETURN_COLUMN instead of column 0 as return column.
2518 * config/pa/pa-hpux.h (MD_UNWIND_SUPPORT): New define.
2519 * config/pa/pa-linux.h (INCOMING_RETURN_ADDR_RTX,
2520 DWARF_FRAME_RETURN_COLUMN, ASM_PREFERRED_EH_DATA_FORMAT,
2521 ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Delete defines.
2522 * config/pa/pa.h (ARG_POINTER_CFA_OFFSET): Delete.
2523 (FRAME_POINTER_CFA_OFFSET, INCOMING_RETURN_ADDR_RTX,
2524 DWARF_FRAME_RETURN_COLUMN, DWARF_ALT_FRAME_RETURN_COLUMN,
2525 ASM_PREFERRED_EH_DATA_FORMAT, ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New
2526 defines.
2527 * config/pa/hpux-unwind.h: New file.
2529 2005-11-17 Alexandre Oliva <aoliva@redhat.com>
2531 * config/rs6000/rs6000.h (ASM_OUTPUT_WEAKREF): Define.
2532 * defaults.h (ASM_OUTPUT_WEAKREF): Add decl argument.
2533 * varasm.c (do_assemble_alias): Adjust call.
2534 (weak_finish): Don't use ASM_WEAKEN_LABEL if ASM_WEAKEN_DECL
2535 is defined.
2536 * doc/tm.texi (ASM_OUTPUT_WEAKREF): Document it.
2538 2005-11-17 James E Wilson <wilson@specifix.com>
2540 * tree.def (FUNCTION_DECL): Correct typo in comment.
2542 2005-11-17 Richard Henderson <rth@redhat.com>
2544 * dwarf2out.c (dw_cfi_oprnd_struct): Reduce dw_cfi_reg_num to int.
2545 (lookup_cfa_1): Apply data alignment to DW_CFA_def_cfa_offset_sf
2546 and DW_CFA_def_cfa_sf.
2547 (def_cfa_1): Use DW_CFA_def_cfa_offset_sf with negative values.
2548 (dbx_reg_number): Don't assert particular registers here.
2549 (based_loc_descr): ... do it here instead. Fold in ...
2550 (eliminate_reg_to_offset): ... this function.
2551 (compute_frame_pointer_to_cfa_displacement): Fold in the effects
2552 of eliminate_reg_to_offset; use FRAME_POINTER_CFA_OFFSET.
2553 * unwind-dw2.c (execute_cfa_program): Apply data align factor
2554 to DW_CFA_def_cfa_offset_sf and DW_CFA_def_cfa_sf.
2555 * function.c (instantiate_new_reg): Use FRAME_POINTER_CFA_OFFSET.
2556 (instantiate_virtual_regs): Likewise.
2557 * var-tracking.c (adjust_stack_reference): Likewise.
2558 * doc/tm.texi (FRAME_POINTER_CFA_OFFSET): New.
2560 2005-11-17 Bernd Schmidt <bernd.schmidt@analog.com>
2562 * config/bfin/elf.h (STARTFILE_SPEC): Add "crtlibid%O%s"
2563 * config/bfin/uclinux.h (STARFILE_SPEC): Likewise.
2564 * config/bfin/t-bfin-elf (EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Add
2565 crtlibid.o.
2566 ($(T)crtlibid.o): New rule.
2568 2005-11-16 Richard Guenther <rguenther@suse.de>
2570 PR middle-end/24851
2571 * fold-const.c (extract_array_ref): Return byte offset
2572 in all cases.
2573 (fold_binary): Fold &x[a] CMP &x[b] to
2574 a*sizeof(*x) CMP b*sizeof(*x) to get correct overflow
2575 behavior.
2577 2005-11-16 Richard Henderson <rth@redhat.com>
2579 PR middle-end/23497
2580 * tree-ssa.c (warn_uninitialized_var): Skip real and imaginary
2581 parts of an SSA_NAME.
2583 2005-11-16 Richard Earnshaw <richard.earnshaw@arm.com>
2585 PR target/24861
2586 * arm.md (split for movsf with immediate): Restrict split to insns
2587 that set a general register.
2589 2005-11-16 Daniel Jacobowitz <dan@codesourcery.com>
2591 * config/ia64/unwind-ia64.c (uw_advance_context): New. Call
2592 uw_update_context.
2593 * unwind-dw2.c (uw_advance_context): Likewise.
2594 * unwind-sjlj.c (uw_advance_context): Likewise. Also call
2595 _Unwind_SjLj_Unregister.
2596 * unwind.inc (_Unwind_ForcedUnwind_Phase2): Call uw_advance_context.
2598 2005-11-16 Daniel Jacobowitz <dan@codesourcery.com>
2600 * unwind-sjlj.c (_Unwind_GetCFA): Handle the builtin_setjmp case.
2602 2005-11-16 Eric Botcazou <ebotcazou@adacore.com>
2604 * config/alpha/alpha.c (alpha_init_builtins): Use type_for_mode
2605 langhook to get a DImode integer type.
2607 2005-11-16 Richard Henderson <rth@redhat.com>
2608 J"orn Rennecke <joern.rennecke@st.com>
2609 Ulrich Weigand <uweigand@de.ibm.com>
2611 PR rtl-opt/24160
2612 PR target/24621
2613 * reload1.c (reg_equiv_invariant): New.
2614 (reload): Allocate, initialize, and free it.
2615 (calculate_needs_all_insns): Check it when skipping equivalence
2616 setting insns.
2617 (alter_reg): Likewise.
2618 (eliminate_regs_1): Rename from eliminate_regs. Add new
2619 may_use_invariant argument; only use reg_equiv_invariant when true.
2620 (eliminate_regs): New.
2621 (eliminate_regs_in_insn): Use eliminate_regs_1; track when we're in
2622 a context for which may_use_invariant may be true.
2624 2005-11-16 Eric Botcazou <ebotcazou@adacore.com>
2626 * fold-const.c (const_binop): Don't constant fold the operation
2627 if the result has overflowed and flag_trapping_math.
2628 * simplify-rtx.c (simplify_const_binary_operation): Likewise.
2630 2005-11-16 Daniel Jacobowitz <dan@codesourcery.com>
2632 * config/arm/unwind-arm.c (abort): Add prototype here.
2633 (UCB_FORCED_STOP_ARG): Correct typo in macro argument.
2634 (struct phase1_vrs): Add prev_sp.
2635 (unwind_phase2_forced): Save the original core registers instead of
2636 modifying entry_vrs. Take a new flag argument for resuming unwinding
2637 and set action flags accordingly. Always set _US_END_OF_STACK when
2638 get_eit_entry fails. Unwind before calling the stop function.
2639 (_Unwind_GetCFA): New function.
2640 (__gnu_Unwind_ForcedUnwind): Update call to unwind_phase2_forced.
2641 (__gnu_Unwind_Resume_or_Rethrow): Likewise.
2642 (__gnu_Unwind_Resume): Do not unwind here for forced unwinding;
2643 just call unwind_phase2_forced.
2644 (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Move to here.
2645 * config/arm/unwind-arm.h (abort): Remove prototype.
2646 (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Change to
2647 prototypes.
2648 (_Unwind_GetCFA): New prototype.
2649 * config/arm/pr-support.c (abort): Add prototype here.
2650 * unwind-c.c (PERSONALITY_FUNCTION) [__ARM_EABI_UNWINDER__]: Handle
2651 forced unwinding.
2652 * config/arm/arm.c (arm_expand_prologue, thumb_expand_prologue): Do
2653 not schedule the prologue with non-call exceptions and EABI.
2655 2005-11-16 Nathan Sidwell <nathan@codesourcery.com>
2657 * config/arm/unwind-arm.h: Reorder interface function declarations.
2658 (_URC_END_OF_STACK): New enumeration value.
2659 (_US_UNWIND_ACTION_MASK, _US_FORCE_UNWIND, _US_END_OF_STACK): Likewise.
2660 (struct _Unwind_Control_Block): Document reserved field use.
2661 (_Unwind_Stop_Fn): New typedef.
2662 (_Unwind_ForcedUnwind): Declare.
2663 (_Unwind_Resume_or_Rethrow): Declare.
2664 * gcc/config/arm/libunwind.S (UNWIND_WRAPER): Add nargs
2665 argument. Adjust.
2666 (_Unwind_Resume_or_Rethrow, _Unwind_ForcedUnwind): New.
2667 * config/arm/unwind-arm.c (UCB_FORCED_STOP_FN)
2668 (UCB_FORCED_STOP_ARG): New.
2669 (search_EIT_table): Update boundary condition checks.
2670 (get_eit_entry): Return _URC_END_OF_STACK when cannot unwind.
2671 (unwind_phase2): Replace for with do..while.
2672 (unwind_phase2_forced): New.
2673 (__gnu_Unwind_RaiseException): Replace for with do..while.
2674 (__gnu_Unwind_ForcedUnwind): New.
2675 (__gnu_Unwind_Resume): Set FORCE_UNWIND flag, if forced unwinding.
2676 Use appropriate phase2 unwinder.
2677 (__gnu_Unwind_Resume_or_Rethrow): New.
2678 (__gnu_unwind_pr_common): Cope with forced unwinding.
2680 2005-11-16 David Edelsohn <edelsohn@gnu.org>
2682 PR target/24772
2683 * config/rs6000/predicates.md (vrsave_operation): SET_SRC is a VEC.
2685 * config/rs6000/rs6000.md (btruncsf2, ceilsf2, floorsf2,
2686 roundsf2): Remove "s" from mnemonic.
2688 2005-11-16 Bernd Schmidt <bernd.schmidt@analog.com>
2690 * config/bfin/crti.s (__init, __fini): Use appropriate prologue if
2691 __PIC__ is defined.
2692 * config/bfin/crtn.s: Change epilogues to match.
2693 * config/bfin/t-bfin-elf (EXTRA_MULTILIB_PARTS): Define.
2694 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If flag_pic, define
2695 __PIC__ and __pic__.
2697 2005-11-16 Tobias Schl"uter <tobias.schlueter@physik.uni-muenchen.de>
2699 PR 24357
2700 * doc/invoke.texi: Distinguish between free and fixed form instead of
2701 Fortran and Fortran 90/95. Remove ratfor from the list of supported
2702 languages.
2703 * gcc.c (default_compilers): Remove double entries, add entries for
2704 suffixes '.F90' and '.F95'.
2706 2005-11-16 Eric Botcazou <ebotcazou@adacore.com>
2708 * config/alpha/alpha.c (alpha_expand_prologue): Fix off-by-one bug
2709 in the stack probing loop.
2711 2005-11-15 David Edelsohn <edelsohn@gnu.org>
2713 * configure.ac: Use .machine power5 not power5x.
2714 * configure: Regenerate.
2716 2005-11-15 Mike Stump <mrs@apple.com>
2718 * c-decl.c (lookup_name_two): Add.
2719 * c-tree.h (lookup_name_two): Likewise.
2720 * c-common.c (handle_cleanup_attribute): Use lookup_name_two instead.
2721 * config/darwin-c.c (darwin_pragma_unused): Likewise.
2723 2005-11-16 Alan Modra <amodra@bigpond.net.au>
2725 PR rtl-optimization/23392
2726 * regrename.c (enum scan_actions) Add mark_access.
2727 (scan_actions_name): Ditto.
2728 (scan_rtx_reg): Handle mark_access.
2729 (scan_rtx_address): Do nothing for mark_access.
2730 (build_def_use): Mark source registers in REG_FRAME_RELATED_EXPR
2731 and regs in REG_INC notes before closing chains for dead regs.
2732 Mark destination regs in REG_FRAME_RELATED_EXPR notes after
2733 opening chains for new writes.
2735 2005-11-15 David Edelsohn <edelsohn@gnu.org>
2737 * c.opt (ffixed-line-length-none): New.
2739 2005-11-15 Steve Ellcey <sje@cup.hp.com>
2741 * mklibgcc.in: Change contents of eh_dummy.c.
2743 2005-11-15 Daniel Jacobowitz <dan@codesourcery.com>
2745 * loop.c (scan_loop): Do not insert temporaries for hard registers.
2747 2005-11-15 Daniel Jacobowitz <dan@codesourcery.com>
2749 * config/arm/lib1funcs.asm (div0) [L_dvmd_lnx]: Call raise instead
2750 of making syscalls.
2751 * config/arm/linux-eabi.h (CLEAR_INSN_CACHE): Define. Set r7 also.
2753 2005-11-15 Jan Hubicka <jh@suse.cz>
2755 * invoke.texi (large-unit-insns): Document.
2756 * ipa-inline.c (cgraph_decide_inlining): Use large-unit-insns param.
2757 * params.def (large-unit-insns): New param.
2759 2005-11-15 Hans-Peter Nilsson <hp@axis.com>
2761 PR target/24869
2762 * config/cris/cris.md ("*mov_sidesisf_mem"): Do not match
2763 special register for operand 3. Reindent constraints to align
2764 them vertically.
2766 2005-11-14 David Edelsohn <edelsohn@gnu.org>
2768 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mmfcrf,
2769 -mpopcntb, -mfprnd. Add -mcpu=power5+.
2770 * configure.ac: Add test for FP rounding instructions.
2771 * configure: Regenerate.
2772 * config.in: Regenerate.
2773 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
2774 _ARCH_PPCSQ, _ARCH_PPCGR, _ARCH_PWR4, _ARCH_PWR5, _ARCH_PWR5X if
2775 features enabled.
2776 * config/rs6000/rs6000.opt (mfprnd): New.
2777 * config/rs6000/rs6000.c (processor_target_table): Add power5+.
2778 (POWERPC_MASKS): Add MASK_POPCNTB and MASK_FPRND.
2779 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add -mpower5+.
2780 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add -mpower5+.
2781 (TARGET_FPRND): New.
2782 * config/rs6000/rs6000.md (UNSPEC_FRIM, UNSPEC_FRIN, UNSPEC_FRIP,
2783 UNSPEC_FRIZ): New.
2784 (btrunc<mode>2): New.
2785 (ceil<mode>2): New.
2786 (floor<mode>2): New.
2787 (round<mode>2): New.
2789 2005-11-14 Geoffrey Keating <geoffk@apple.com>
2791 * gcc.c (version_compare_spec_function): Use fatal() rather than
2792 abort().
2794 * config/rs6000/darwin.h (DARWIN_CRT2_SPEC): New.
2795 (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2).
2796 * config/i386/darwin.h (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2)
2797 as empty.
2798 * config/darwin.h (STARTFILE_SPEC): Use %(darwin_crt2) to possibly
2799 link in crt2.o.
2801 * config/darwin.h (REAL_LIBGCC_SPEC): Link in shared libgcc depending
2802 on -mmacosx-version-min setting.
2804 2005-11-14 Diego Novillo <dnovillo@redhat.com>
2806 PR 24840
2807 * tree-vrp.c (infer_value_range): Return false if STMT is a
2808 block terminator and its basic block has no successors.
2810 2005-11-14 Mike Stump <mrs@apple.com>
2812 * config/i386/i386.c (override_options): -masm=intel isn't
2813 supported on darwin.
2814 * doc/invoke.texi (i386 and x86-64 Options): Likewise.
2816 2005-11-15 Joseph S. Myers <joseph@codesourcery.com>
2818 * crtstuff.c: Undefine gid_t, pid_t, rlim_t, ssize_t, uid_t and
2819 vfork after including auto-host.h.
2821 2005-11-15 Alan Modra <amodra@bigpond.net.au>
2823 PR rtl-optimization/22002
2824 * combine.c (distribute_notes): Detect cases where a reg dies
2825 two or more times in a bb, including on the insn we are combining,
2826 and place the death note on the correct range.
2828 2005-11-14 Dale Johannesen <dalej@apple.com>
2830 * expmed.c (store_bit_field): Add offset unconditionally for
2831 memory targets.
2832 (extract_bit_field): Don't force extzv or extv operand into
2833 a register if field is too big.
2835 2005-11-14 Daniel Jacobowitz <dan@codesourcery.com>
2837 * config/arm/arm.c (pic_labelno): New.
2838 (arm_load_pic_register): Use an UNSPEC_PIC_LABEL instead of a
2839 LABEL_REF. Pass only the labelno to PIC insns.
2840 (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
2841 (arm_output_addr_const_extra): Handle UNSPEC_PIC_LABEL.
2842 * arm.md (UNSPEC_PIC_LABEL): New constant.
2843 (pic_add_dot_plus_four, pic_add_dot_plus_eight)
2844 (tls_load_dot_plus_eight): Expect a labelno instead of a LABEL_REF.
2845 Use the correct label prefix.
2847 2005-11-14 Daniel Jacobowitz <dan@codesourcery.com>
2849 * config/arm/arm.c (legitimize_tls_address): Use correct rtx for
2850 REQ_EQUIV note.
2852 2005-11-14 Richard Earnshaw <richard.earnshaw@arm.com>
2854 * loop-invariant.c: Include tm_p.h.
2855 * Makefile.in: Updated.
2857 2005-11-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2859 * pa.c (store_reg): Revise generation of frame notes in large frames.
2860 (set_reg_plus_d): Likewise.
2862 2005-11-13 Andrew MacLeod <amacleod@redhat.com>
2864 PR tree-optimization/24709
2865 * tree-ssa-operands.c (verify_imm_links): Increase limit for infinite
2866 loop check.
2868 2005-11-13 Eric Botcazou <ebotcazou@libertysurf.fr>
2870 * gthr-posix95.h: Remove declaration of pthread_mutexattr_settype
2871 and duplicate declaration of pthread_self.
2873 2005-11-13 Eric Botcazou <ebotcazou@adacore.com>
2874 Ian Lance Taylor <ian@airs.com>
2876 PR middle-end/24003
2877 * calls.c (expand_call): If TARGET is a MEM and some part of the
2878 argument area has been saved, force TARGET to a register.
2880 2005-11-13 Razya Ladelsky <razya@il.ibm.com>
2882 * ipa-prop.c (ipa_callsite_compute_param ): Removed obsolete type
2883 checking.
2885 2005-11-13 Jason Merrill <jason@redhat.com>
2887 PR c++/22489
2888 * dwarf2out.c (gen_subprogram_die): Force a declaration die for
2889 lazily declared methods.
2890 (force_decl_die): Stop if forcing out the context already make a
2891 DIE for the decl.
2892 (force_type_die): Likewise.
2894 2005-11-13 Andrew Pinski <pinskia@physics.uc.edu>
2896 PR middle-end/24820
2897 * builtins.c (integer_valued_real_p): Add break in
2898 REAL_CST having TREE_OVERFLOW set.
2900 2005-11-13 Zdenek Dvorak <dvorakz@suse.cz>
2902 * tree-ssa-loop-ivopts.c (get_address_cost): Prevent splitting
2903 addressing modes during calculation of costs.
2905 2005-11-12 Eric Botcazou <ebotcazou@adacore.com>
2907 * function.c (assign_stack_local_1): Restrict sanity check
2908 on frame size overflow to 32-bit and above platforms.
2910 2005-11-12 Hans-Peter Nilsson <hp@axis.com>
2912 * config/cris/cris.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
2913 * config/cris/cris.c: Include reload.h.
2914 (cris_initial_elimination_offset): New function.
2915 * config/cris/cris-protos.h: (cris_initial_elimination_offset):
2916 Prototype.
2918 2005-11-12 Richard Guenther <rguenther@suse.de>
2920 * gcse.c (find_rtx_in_ldst): Handle NULL pre_ldst_table.
2922 2005-11-12 Jan Hubicka <jh@suse.cz>
2924 * expr.c (expand_expr_real_1): <MAX_EXPR, MIN_EXPR>: Canonicalize
2925 to compare against 0 when possible.
2927 2005-11-12 Jie Zhang <jie.zhang@analog.com>
2929 * config/bfin/bfin.h (REGISTER_NAMES, SHORT_REGISTER_NAMES,
2930 HIGH_REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
2931 REG_ALLOC_ORDER, enum reg_class): Rearrange I/B/L registers.
2932 * config/bfin/bfin.md: Redefine REG_ constants for I/B/L registers
2933 in the new order.
2935 2005-11-12 Hans-Peter Nilsson <hp@axis.com>
2937 * recog.c (constrain_operands) <case 'g'>: For a match, require
2938 that a non-register matches general_operand when strict >= 0.
2940 2005-11-11 Steven Bosscher <stevenb@suse.de>
2942 * loop-invariant.c (move_loop_invariants): Fix a thinko in the
2943 previous checkin.
2945 2005-11-11 Daniel Jacobowitz <dan@codesourcery.com>
2947 * tree-ssa-dse.c (struct address_walk_data, memory_ssa_name_same)
2948 (memory_address_same): New.
2949 (dse_optimize_stmt): Call memory_address_same.
2951 2005-11-12 Hans-Peter Nilsson <hp@axis.com>
2953 PR middle-end/24750
2954 * reload.c (find_reloads_address_1) <case TRUNCATE, SIGN_EXTEND,
2955 ZERO_EXTEND>: New cases.
2957 2005-11-11 Daniel Jacobowitz <dan@codesourcery.com>
2959 * longlong.h (__clz_tab): Always provide.
2961 2005-11-11 Steven Bosscher <stevenb@suse.de>
2963 PR 24265
2964 * loop-invariant.c (may_assign_reg_p): Make sure a hard register
2965 can be assigned to.
2966 (find_invariant_insn): Do the cheapest check, may_assign_reg_p,
2967 before check_maybe_invariant.
2968 (move_invariant_reg): Use gen_move_insn instead of replacing
2969 SET_DEST with the temporary for the invariant.
2970 (move_loop_invariants): If checking is enabled, do internal
2971 consistency checks after completing the pass.
2973 2005-11-11 David Edelsohn <edelsohn@gnu.org>
2975 PR 24644
2976 * common.opt (Wvolatile-register-var): New.
2977 * varasm.c (make_decl_rtl): Only emit warning when option
2978 specified. Clarify warning message.
2979 * doc/invoke.texi (Wvolatile-register-var): Document new option.
2981 * doc/md.texi (copysign): Document standard named pattern.
2983 2005-11-11 Jie Zhang <jie.zhang@analog.com>
2985 * config/bfin/bfin.c (bfin_expand_strmov): Correctly move the trailing
2986 bytes when align is 2.
2987 * config/bfin/bfin.md (rep_movsi, rep_movhi): Make LSETUP be followed
2988 by the first instruction of the loop.
2990 2005-11-11 Jason Merrill <jason@redhat.com>
2992 PR c++/24686
2993 * gimplify.c (gimplify_cleanup_point_expr): Also save and restore
2994 the cleanup list.
2996 2005-11-11 Zdenek Dvorak <dvorakz@suse.cz>
2998 PR rtl-optimization/22509
2999 * local-alloc.c (memref_used_between_p): Check whether a function call
3000 could not reference the memref.
3002 2005-11-11 Ulrich Weigand <uweigand@de.ibm.com>
3004 * postreload.c (reload_cse_simplify_operands): Fix bug in sorting
3005 algorithm so as to choose the best, not the worst, alternative.
3006 Reset accumulated register class before processing next alternative.
3008 2005-11-11 Kaz Kojima <kkojima@gcc.gnu.org>
3010 PR target/24445
3011 * calls.c (expand_call): Copy a return value to a plain register
3012 if needed.
3014 2005-11-10 Alexandre Oliva <aoliva@redhat.com>
3016 PR target/24778
3017 * varasm.c (assemble_name): Recompute name only for transparent
3018 aliases.
3020 2005-11-10 Hans-Peter Nilsson <hp@axis.com>
3022 * tree-ssa-structalias.c (heapvar_lookup): Fix typo: stmt to from.
3024 2005-11-04 Jeff Law <law@redhat.com>
3026 PR middle-end/23181
3027 * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Do not
3028 perform reassociation if the parent statement will not die as
3029 a result of the optimization.
3031 2005-11-10 Daniel Berlin <dberlin@dberlin.org>
3033 * tree-ssa-alias.c (compute_may_aliases): Remove call to
3034 delete_old_heap_vars.
3035 * tree-dfa.c (referenced_var_remove): Remove function.
3036 * tree-ssa.c (init_tree_ssa): Call init_alias_heapvars.
3037 (delete_tree_ssa): Remove call to delete_old_heapvars.
3038 Add call to delete_alias_heapvars.
3039 * tree-flow.h (referenced_var_remove): Remove prototype
3040 (init_alias_heapvars): New prototype.
3041 (delete_alias_heapvars): Ditto.
3042 * Makefile.in (tree-ssa-structalias.o): Add
3043 gt-tree-ssa-structalias.o
3044 (GTFILES): Add tree-ssa-structalias.h and
3045 tree-ssa-structalias.c.
3046 (s-gtype): Add gt-tree-ssa-structalias.h.
3047 * tree-ssa-structalias.c (heapvars): Remove.
3048 (oldheapvars): Remove.
3049 (heapvar_for_stmt): New variable.
3050 (heapvar_lookup): New function.
3051 (heapvar_insert): Ditto.
3052 (get_constraint_for): See if we have an old heapvar
3053 to reuse.
3054 (init_alias_heapvars): New function.
3055 (delete_alias_heapvars): Ditto.
3056 Add include of gt-tree-ssa-structalias.h.
3058 2005-11-10 Eric Botcazou <ebotcazou@libertysurf.fr>
3060 PR middle-end/22127
3061 * calls.c (special_function_p): Set ECF_RETURNS_TWICE for getcontext.
3063 2005-11-10 Eric Botcazou <ebotcazou@adacore.com>
3065 * tree.c (int_fits_type_p): Only look at the base type
3066 if it has the same precision as the original type.
3068 2005-11-10 Jakub Jelinek <jakub@redhat.com>
3070 PR other/4372
3071 * varasm.c (assemble_alias): Use %q+D in the error
3072 message instead of %J and %qD.
3074 2005-11-10 Richard Guenther <rguenther@suse.de>
3076 * gcse.c (free_ldst_entry): Only free hashtable if
3077 it exists.
3079 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
3081 * function.c (assign_stack_local_1): Issue an error message if
3082 the frame size overflows in the signed target arithmetics.
3084 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
3086 * tree.c (build_qualified_type): Chain the new type to the original
3087 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
3088 a POINTER_TYPE or a REFERENCE_TYPE respectively.
3089 (build_pointer_type_for_mode): Only return unqualified types.
3090 (build_reference_type_for_mode): Likewise.
3092 2005-11-09 Jakub Jelinek <jakub@redhat.com>
3094 * Makefile.in (gnucompare): Do comparison of all files using one of
3095 the chosen methods and only afterwards decide if just warning should
3096 be issued or comparison failure raised.
3098 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
3100 * ifcvt.c (noce_get_alt_condition): Use prev_nonnote_insn.
3101 (noce_try_abs): Negate if the comparison is reversed.
3102 Look only one instruction backwards for a REG_EQUAL note.
3104 2005-11-09 Alexandre Oliva <aoliva@redhat.com>
3106 PR other/4372
3107 * gthr-dce.h, gthr-posix.h, gthr-posix95.h, gthr-solaris.h,
3108 gthr-tpf.h: Define __gthrw. For all identifiers that might
3109 be weak, introduce weakrefs or non-weak aliases with __gthrw,
3110 and prefix all uses with __ghtrw.
3112 2005-11-09 Alexandre Oliva <aoliva@redhat.com>
3114 PR other/4372
3115 * tree.h (IDENTIFIER_TRANSPARENT_ALIAS): New.
3116 (TREE_DEPRECATED): Adjust comment. Check for a DECL.
3117 * c-common.c (handle_weakref_attribute): New.
3118 (c_common_attribute_table): Add weakref.
3119 * configure.ac (HAVE_GAS_WEAKREF): Check for weakref support
3120 in the assembler.
3121 * configure, config.in: Rebuilt.
3122 * defaults.h (ASM_OUTPUT_WEAKREF): Define if HAVE_GAS_WEAKREF.
3123 * doc/extend.texi: Document weakref attribute.
3124 * varasm.c (ultimate_transparent_alias_target): New
3125 (assemble_name): Use it.
3126 (weak_finish_1): Split out of...
3127 (weak_finish): ... and deal with weakrefs in...
3128 (weakref_targets): ... new list.
3129 (globalize_decl): Clean up weakref_targets.
3130 (do_assemble_alias): Handle weakrefs.
3131 (finish_aliases_1): Do not reject weakrefs to external symbols.
3132 (assemble_alias): Handle weakrefs.
3134 2005-11-09 Richard Guenther <rguenther@suse.de>
3136 PR tree-optimization/24716
3137 * tree-scalar-evolution.c (analyze_evolution_in_loop): Use
3138 t_bool to track results from follow_ssa_edge.
3140 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
3142 * final.c (force_source_line): New global variable.
3143 (final_scan_insn): Set it to true instead of clearing last_filename.
3144 (notice_source_line): Return true if force_source_line is true,
3145 unless source info is absent.
3147 2005-11-09 Andrew Pinski <pinskia@physics.uc.edu>
3149 PR c/24644
3150 * dwarf2-out.c (add_name_and_src_coords_attributes): Don't add
3151 a linkage name for a variable if it a register variable.
3152 * c-decl.c (grokdeclarator): Global register variables
3153 should be set as PUBLIC.
3155 2005-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
3157 PR 24624
3158 * config/s390/s390.c (struct s390_frame_layout): New fields
3159 first_save_gpr_slot and last_save_gpr_slot.
3160 (cfun_grps_save_area_size, s390_frame_info, s390_emit_prologue,
3161 s390_emit_epilogue, s390_initial_elimination_offset): Replaced
3162 first_save_gpr and last_save_gpr with the _slot variants.
3163 (s390_register_info): Calculate first_save_gpr_slot and
3164 last_save_gpr_slot using regs_ever_live.
3166 2005-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
3168 PR 24623
3169 * config/s390/s390.c (s390_regs_ever_clobbered): Only save live eh regs
3170 for a function containing a landing pad.
3172 2005-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
3174 PR 24034
3175 * flow.c (mark_set_1): Handle CLOBBERs like SETs if the register
3176 is live afterwards.
3178 2005-11-08 Bernd Schmidt <bernd.schmidt@analog.com>
3180 * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DEFAULTS,
3181 MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): New.
3183 2005-11-09 Nathan Sidwell <nathan@codesourcery.com>
3185 Add ms2 support
3186 * config/ms1/ms1.md (UNSPEC_BLOCKAGE, UNSPEC_EI, UNSPEC_DI): New
3187 constants.
3188 (call,load,store): New insn types.
3189 (mem_access, branch_access): Adjust reservation conditions.
3190 (define_delay): Adjust condition.
3191 (decrement_and_branch_until_zero): Allow for ms2. Set branch
3192 type.
3193 (*decrement_and_rbanch_until_zero_no_clobber): Allow for ms2.
3194 (*movqi_internal,*movsi_internal,*movsf_internal): Use load,store
3195 insn type.
3196 (call_internal, call_value_internal, return_internal,
3197 return_interrupt_internal, eh_return_internal, indirect_jump,
3198 tablejump): Set call insn type.
3199 (blockage, ei, di): Use appropriate unspec const.
3200 * config/ms1/ms1.c (ms1_flag_delayed_branch): New.
3201 (ms1_get_attr_type): Adjust to give load & store types.
3202 (ms1_final_prescan_insn): Adjust for new insn types. Don't look
3203 backwards past a barrier.
3204 (ms1_override_options): Accept ms2 arch. Copy and reset delayed
3205 branch scheduling.
3206 (struct branch_info, struct label_info): New.
3207 (ms1_labels): New.
3208 (ms1_add_branches, ms1_check_delay_slot, ms1_reorg_hazard): New.
3209 (ms1_machine_reorg): New.
3210 (TARGET_MACHINE_DEPENDENT_REORG): Override.
3211 * config/ms1/crtn.asm: Add nop for ms2 JAL hazard.
3212 * config/ms1/ms1.h (processor_type): Add PROCESSOR_MS2.
3213 (ASM_SPEC, LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Add ms2.
3214 (TARGET_MS2): New.
3216 2005-11-09 Per Bothner <per@bothner.com>
3217 Uros Bizjak <uros@kss-loka.si>
3219 PR c/24101
3220 * toplev.c (process_options): Initialize debug_hooks early
3221 in case lang_hooks.post_options ends up calling a debug_hook.
3223 2005-11-08 Jakub Jelinek <jakub@redhat.com>
3225 * dwarf2out.c (multiple_reg_loc_descriptor): Don't assume
3226 DBX_REGISTER_NUMBER being contiguous.
3228 2005-11-08 James A. Morrison <phython@gcc.gnu.org>
3229 Diego Novillo <dnovillo@redhat.com>
3231 PR 23046
3232 * tree-vrp.c (register_edge_assert_for): Do not register
3233 always-false predicates.
3235 2005-11-08 Devang Patel <dpatel@apple.com>
3237 PR tree-optimization/23115
3238 * tree-if-conv.c (find_phi_replacement_condition): Check domninated_by
3239 relation.
3241 2005-11-08 Joseph S. Myers <joseph@codesourcery.com>
3243 * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include
3244 -mcpu=440.
3246 2005-11-08 Daniel Berlin <dberlin@dberlin.org>
3248 Fix PR tree-optimization/23382
3250 * tree-ssa-alias.c (compute_may_aliases): Call
3251 delete_old_heap_vars.
3252 * tree-dfa.c (referenced_var_remove): New function.
3253 * tree-ssa.c (delete_tree_ssa): Call delete_old_heap_vars.
3254 * tree-flow.h (referenced_var_remove): Add prototype.
3255 (delete_old_heap_vars): Ditto.
3256 * tree-ssa-structalias.c (heapvars): New variable.
3257 (oldheapvars): Ditto.
3258 (get_constraint_for): Put heap vars on heapvars list.
3259 (delete_old_heap_vars): New function.
3261 2005-11-08 Jason Merrill <jason@redhat.com>
3263 * tree.h (CALL_FROM_THUNK_P): Add CALL_EXPR_CHECK.
3265 2005-11-08 Uros Bizjak <uros@kss-loka.si>
3267 PR target/19340
3268 * reg-stack.c (reg_to_stack): Update register liveness also
3269 for flag_sched2_use_traces.
3271 2005-11-08 Alan Modra <amodra@bigpond.net.au>
3273 PR target/23704
3274 * config/rs6000/rs6000.c (rs6000_handle_option <OPT_m64>): Don't
3275 override prior explicit -mno-powerpc-gfxopt.
3277 2005-11-07 Eric Botcazou <ebotcazou@adacore.com>
3279 * expmed.c (extract_bit_field): Do not use insv/extv/extzv patterns
3280 if the bitsize is zero.
3281 * doc/md.texi (Standard Pattern Names): Document it.
3283 * config/ia64/ia64.c (ia64_pass_by_reference): Delete.
3284 (TARGET_PASS_BY_REFERENCE): Likewise.
3286 2005-11-07 Ian Lance Taylor <ian@airs.com>
3288 PR rtl-optimization/24683
3289 * config/i386/i386.c (legitimize_pic_address): If constant operand
3290 to PLUS is too large, put it in a register.
3292 2005-11-07 Jie Zhang <jie.zhang@analog.com>
3294 * configure.ac: Enable checking assembler dwarf2 support for bfin
3295 target.
3296 * configure: Regenerate.
3298 2005-11-07 Paolo Bonzini <bonzini@gnu.org>
3300 PR target/24230
3302 * config/rs6000/rs6000.c (easy_vector_splat_const, easy_vector_same,
3303 gen_easy_vector_constant_add_self): Delete.
3304 (vspltis_constant, easy_altivec_constant, gen_easy_altivec_constant):
3305 New.
3306 (output_vec_const_move): Use gen_easy_altivec_constant.
3307 (rs6000_expand_vector_init): Do not emit a set of a VEC_DUPLICATE.
3308 * config/rs6000/predicates.md (easy_vector_constant): Reorganize tests.
3309 (easy_vector_constant_add_self): Rewritten.
3310 * config/rs6000/rs6000-protos.h (easy_vector_splat_const,
3311 easy_vector_same, gen_easy_vector_constant_add_self): Remove prototype.
3312 (easy_altivec_constant, gen_easy_altivec_constant): Add prototype.
3313 * config/rs6000/altivec.md (easy_vector_constant_add_self splitters):
3314 Macroize and adjust for the other changes.
3316 2005-11-07 Paolo Bonzini <bonzini@gnu.org>
3318 PR c/24599
3320 * c-typeck.c (build_c_cast): Try using a shared constant, and see
3321 if TREE_OVERFLOW or TREE_CONSTANT_OVERFLOW really changed.
3323 2005-11-07 Jakub Jelinek <jakub@redhat.com>
3325 PR rtl-optimization/23567
3326 * ifcvt.c (noce_mem_write_may_trap_or_fault_p): New function.
3327 (noce_process_if_block): Don't do any optimizations except
3328 if (cond) x = x; if !set_b and write into orig_x may trap
3329 or fault. Remove the MEM_READONLY_P check.
3331 2005-11-06 Diego Novillo <dnovillo@redhat.com>
3333 PR 24670
3334 * tree-vrp.c (fix_equivalence_set): New.
3335 (extract_range_from_assert): Call it.
3337 2005-11-05 Ian Lance Taylor <ian@airs.com>
3339 PR target/22432
3340 * combine.c (apply_distributive_law): Don't distribute across a
3341 vector mode subreg.
3343 2005-11-05 Kazu Hirata <kazu@codesourcery.com>
3345 * c-typeck.c, config/i386/netware.h, config/m32c/cond.md,
3346 config/ms1/ms1.h, config/rs6000/predicates.md,
3347 config/s390/s390.c, params.def, postreload-gcse.c,
3348 tree-flow-inline.h, tree-ssa-operands.c, tree-vectorizer.c,
3349 tree-vrp.c, tree.c: Fix comment typos.
3350 * doc/invoke.texi: Fix typos.
3352 2005-11-05 Sebastian Pop <pop@cri.ensmp.fr>
3354 * lambda-code.c (lambda_transform_legal_p): Use DDR_NUM_DIST_VECTS
3355 for testing whether the data_dependence_relation contains distance
3356 vectors. Iterate over all distance vectors of the ddr.
3357 * lambda.h: Define a vec of lambda_vector pointers.
3358 * tree-data-ref.c (dump_data_dependence_relation,
3359 dump_data_dependence_direction): Iterate over all distance and
3360 direction vectors of the ddr.
3361 (initialize_data_dependence_relation): Initialize DDR_DIR_VECTS and
3362 DDR_DIST_VECTS.
3363 (build_classic_dist_vector, build_classic_dir_vector): Push a set
3364 of distance/direction vectors instead of a single one.
3365 * tree-data-ref.h (dir_vects, dist_vects): Replace dir/dist
3366 lambda_vectors with a vec of lambda_vectors.
3367 (DDR_DIR_VECT, DDR_DIST_VECT): Redefined as operations on vec.
3368 (DDR_DIR_VECTS, DDR_DIST_VECTS, DDR_NUM_DIR_VECTS,
3369 DDR_NUM_DIST_VECTS): New.
3370 * tree-loop-linear.c (gather_interchange_stats): Test for the
3371 existence of distance vectors only after having checked that there
3372 is a dependence. Iterate over all distance vectors of the ddr.
3373 (linear_transform_loops): Use dump_data_dependence_relation.
3374 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Test for
3375 distance vectors using DDR_NUM_DIST_VECTS. Iterate over all the
3376 distance vectors of the ddr.
3378 2005-11-05 Bernd Schmidt <bernd.schmidt@analog.com>
3380 * config/bfin/bfin.c (n_dregs_to_save, n_pregs_to_save,
3381 expand_prologue_reg_save, expand_epilogue_reg_restore): New argument
3382 IS_INTHANDLER; all callers changed.
3383 (n_regs_saved_by_prologue): Take interrupt handler attributes into
3384 account.
3385 (do_link, do_unlink): New argument ALL; all callers changed.
3386 (expand_interrupt_handler_prologue, expand_interrupt_handler_epilogue):
3387 If function isn't leaf, save and restore all registers.
3388 (bfin_function_ok_for_sibcall): Only true if not an interrupt or
3389 exception handler.
3391 2005-11-05 Jan Hubicka <jh@suse.cz>
3393 PR rtl-optimization/23490
3394 * doc/invoke.texi (max-predicted-iterations, max-cse-insns,
3395 max-flow-memory-location): Document.
3396 * flow.c: Include params.h
3397 (MAX_MEM_SET_LIST_LEN): Kill.
3398 (add_to_mem_set_list): Use new param.
3399 * cse.c (cse_basic_block): Replace 1000 by new param.
3400 * params.def (PARAM_MAX_PREDICTED_ITERATIONS, PARAM_MAX_CSE_INSNS,
3401 PARAM_MAX_FLOW_MEMORY_LOCATIONS): New.
3402 * predict.c (predict_loops): Use new param.
3403 * predict.def (MAX_PRED_LOOP_ITERATIONS): Remove.
3405 * ipa-inline.c (cgraph_decide_inlining_of_small_function,
3406 cgraph_decide_inlining, cgraph_decide_inlining_incrementally):
3407 Do not hold memory returned by cgraph_node_name across other call.
3409 2005-11-04 Hans-Peter Nilsson <hp@axis.com>
3411 PR target/23424
3412 * config/cris/predicates.md ("cris_bdap_sign_extend_operand"):
3413 Disable.
3415 2005-11-04 Jeff Law <law@redhat.com>
3417 PR/21883
3418 * doc/invoke.texi: Document max-jump-thread-duplication-stmts PARAM.
3419 * tree-ssa-dom.c: Include params.h.
3420 (thread_across_edge): If there are too many statements in the
3421 target block, then do not thread through it.
3422 * Makefile.in (tree-ssa-dom.o): Depend on $(PARAMS_H).
3423 * params.def (PARAM_MAX_JUMP_THREAD_DUPLICATION_STMTS): New PARAM.
3425 2005-11-03 Diego Novillo <dnovillo@redhat.com>
3427 PR 24627
3428 * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Use
3429 TODO_update_ssa instead of TODO_update_ssa_no_phi.
3431 2005-11-04 Sebastian Pop <pop@cri.ensmp.fr>
3433 PR/18595
3434 * tree-scalar-evolution.c (instantiate_parameters_1,
3435 instantiate_parameters, resolve_mixers): Compute the size of an
3436 expression to be instantiated and give up the instantiation if the
3437 size exceeds PARAM_SCEV_MAX_EXPR_SIZE.
3439 2005-11-04 Richard Guenther <rguenther@suse.de>
3441 * tree-flow.h (ref_contains_indirect_ref): Rename to
3442 array_ref_contains_indirect_ref.
3443 * tree-flow-inline.h (ref_contains_indirect_ref): Likewise.
3444 (array_ref_contains_indirect_ref): Make comment match the code
3445 and vice-versa.
3446 (ref_contains_array_ref): Likewise.
3447 * tree-ssa-structalias.c (find_func_aliases): Remove call to
3448 ref_contains_indirect_ref.
3449 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
3450 Rename calls to ref_contains_indirect_ref.
3452 2005-11-04 Paul Brook <paul@codesourcery.com>
3454 * config/arm/arm.c (arm_load_pic_register): Pass extra reg to
3455 gen_pic_add_dot_plus_four and gen_pic_add_dot_plus_eight.
3456 (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
3457 * config/arm/arm.md: Use match_operand in peephole input templates
3458 and match_dup in peephole output templates.
3460 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
3462 * config/arm/arm.c (arm_init_libfuncs): Use __aeabi_idiv and
3463 __aeabi_uidiv.
3465 2005-11-04 Mark Mitchell <mark@codesourcery.com>
3466 Daniel Jacobowitz <dan@codesourcery.com>
3468 * longlong.h (add_ssaaaa): Clobber condition code register
3469 in ARM version.
3470 (sub_ddmmss): Likewise.
3471 (umul_ppmm): Likewise.
3473 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
3474 Paul Brook <paul@codesourcery.com>
3475 Phil Blundell <pb@reciva.com>
3477 * configure.ac: Add test for ARM TLS support.
3478 * configure: Regenerated.
3479 * config/arm/arm-protos.h (legitimize_tls_address)
3480 (arm_tls_referenced_p, tls_mentioned_p)
3481 (arm_output_addr_const_extra): New prototypes.
3482 (thumb_legitimize_pic_address): Delete.
3483 * config/arm/arm.c: Include "gt-arm.h".
3484 (enum tls_reloc): New.
3485 (arm_cannot_copy_insn_p, arm_tls_symbol_p, load_tls_operand)
3486 (pcrel_constant_p, get_tls_get_addr, arm_load_tp)
3487 (arm_call_tls_get_addr, legitimize_tls_address)
3488 (arm_tls_referenced_p, arm_tls_operand_p_1, tls_mentioned_p)
3489 (arm_init_tls_builtins, arm_emit_tls_decoration)
3490 (arm_output_addr_const_extra): New functions.
3491 (TARGET_CANNOT_COPY_INSN_P, TARGET_CANNOT_FORCE_CONST_MEM)
3492 (TARGET_HAVE_TLS): Define.
3493 (target_thread_pointer): New.
3494 (arm_override_options): Handle -mtp=.
3495 (legitimize_pic_address): Ignore UNSPECs.
3496 (arm_legitimate_address_p, thumb_legitimate_address_p): Handle PC
3497 relative symbols.
3498 (arm_legitimize_address, thumb_legitimize_address): Handle TLS.
3499 (tls_get_addr_libfunc): New variable.
3500 (symbol_mentioned_p, label_mentioned_p): Ignore UNSPEC_TLS.
3501 (arm_init_builtins): Call arm_init_tls_builtins.
3502 (arm_expand_builtin): Handle ARM_BUILTIN_THREAD_POINTER.
3503 (arm_encode_section_info): Call default_encode_section_info.
3504 * config/arm/arm.h (TARGET_HARD_TP, TARGET_SOFT_TP): Define.
3505 (enum arm_tp_type): New.
3506 (target_thread_pointer): Add declaration.
3507 (LEGITIMATE_CONSTANT_P): Handle TLS.
3508 (LEGITIMATE_PIC_OPERAND_P): Handle TLS.
3509 (OUTPUT_ADDR_CONST_EXTRA): Call arm_output_addr_const_extra.
3510 (enum arm_builtins): Add ARM_BUILTIN_THREAD_POINTER.
3511 * config/arm/arm.md: Add UNSPEC_TLS.
3512 (movsi): Handle TLS.
3513 (pic_add_dot_plus_four, pic_add_dot_plus_eight): Allow for
3514 non-PIC.
3515 (tls_load_dot_plus_eight): New insn and a peephole to create it.
3516 (load_tp_hard, load_tp_soft): New insns.
3517 * arm.opt: Add -mtp=.
3518 * doc/invoke.texi (ARM Options): Document -mtp.
3520 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
3522 * config/arm/lib1funcs.asm: Don't include "libunwind.S".
3523 * config/arm/libunwind.S: Include "lib1funcs.asm".
3524 * config/arm/t-bpabi (LIB1ASMFUNCS): Remove _unwind.
3525 (LIB2ADDEH): Add libunwind.S.
3526 (LIB2ADDEHDEP): Add lib1funcs.asm.
3527 * mklibgcc.in: Handle asm files in libgcc_eh.a.
3529 2005-11-04 Francois-Xavier Coudert <coudert@clipper.ens.fr>
3531 PR fortran/18452
3532 * gcc/c.opt: Add a -lang-fortran option.
3533 * gcc/c-opts.c: Add a lang_fortran flag.
3534 (c_common_init_options): Handling the -lang-fortran option.
3535 (c_common_handle_option): Add a case for Fortran options in
3536 preprocessing. Remove cases for -ffixed-form and
3537 -ffixed-line-length. Add a case for -lang-fortran.
3539 2005-11-03 David Edelsohn <edelsohn@gnu.org>
3541 * config/rs6000/rs6000.c: Include params.h
3542 (optimization_options): Set max-grow-copy-bb-insns default to 16.
3543 (bdesc_2arg): Delete vpkuhss and vpkuwss.
3544 * config/rs6000/altivec.md (UNSPEC_VPKUHSS): Delete.
3545 (UNSPEC_VPKUWSS): Delete.
3546 (altivec_vpkuhss): Delete.
3547 (altivec_vpkuwss): Delete.
3548 * config/rs6000/rs6000.md (plus_eqsi): Remove optimize_size from
3549 final condition.
3550 (neg_eq0<mode>): Remove final condition.
3551 (neg_eq<mode>): Remove condition and split-condition.
3553 2005-11-04 Alan Modra <amodra@bigpond.net.au>
3555 * config/rs6000/rs6000.c (output_toc): Make "offset" HOST_WIDE_INT.
3556 Use associated print macros.
3558 2005-11-03 Joseph S. Myers <joseph@codesourcery.com>
3560 PR c++/17964
3561 * diagnostic.c (diagnostic_set_info_translated): New function.
3562 (diagnostic_set_info): Use it. Add comment.
3563 * diagnostic.h (diagnostic_set_info_translated): Declare.
3565 2005-11-03 Eric Botcazou <ebotcazou@adacore.com>
3567 * dwarf2asm.c (dw2_force_const_mem): Add new parameter 'public'.
3568 On USE_LINKONCE_INDIRECT platforms, build a DECL_ONE_ONLY indirect
3569 reference only if 'public' is true.
3570 (dw2_output_indirect_constant_1): On USE_LINKONCE_INDIRECT platforms,
3571 emit the .hidden directive only if the indirect reference is public.
3572 (dw2_asm_output_encoded_addr_rtx): Add new parameter 'public'.
3573 Pass it to dw2_force_const_mem.
3574 * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): New param 'public'.
3575 * dwarf2out.c (output_cfi): Adjust calls to above function.
3576 (output_call_frame_info): Likewise.
3577 * except.c (output_ttype): Pass TREE_PUBLIC of the type_info object
3578 as 'public' argument to dw2_asm_output_encoded_addr_rtx.
3580 2005-11-03 Zdenek Dvorak <dvorakz@suse.cz>
3582 PR tree-optimization/24483
3583 * tree-ssa-loop-ivopts.c (aff_combination_add_elt): Move rest
3584 field to elts if possible.
3586 2005-11-03 Andrew Pinski <pinskia@physics.uc.edu>
3588 PR middle-end/23155
3589 * gimplifier.c (gimplify_expr): Create a temporary for lvalue
3590 CONSTRUCTOR.
3592 2005-11-03 Daniel Berlin <dberlin@dberlin.org>
3594 Fix PR tree-optimization/24351
3596 * tree-ssa-structalias.c (struct variable_info): Add
3597 collapsed_into.
3598 (get_varinfo_fc): New function to follow collapsing.
3599 (new_var_info): Set collapsed_to to NULL.
3600 (dump_constraint): Follow collapsing.
3601 (build_constraint_graph): Handle collapsing.
3602 (do_simple_structure_copy): Return false if something bad
3603 happened.
3604 (collapse_rest_of_var): New function.
3605 (do_structure_copy): Collapse if do_simple_structure_copy returns
3606 false.
3608 2005-11-03 Andrew Pinski <pinskia@physics.uc.edu>
3610 PR middle-end/24589
3611 * gimplify.c (gimplify_expr) <case CONSTRUCTOR>: Add the
3612 expressions to a statement list instead of gimplifying them.
3614 2005-11-03 Eric Botcazou <ebotcazou@libertysurf.fr>
3616 PR rtl-optimization/23585
3617 * rtlanal.c (rtx_addr_can_trap_p_1) <PLUS>: Return 0 for an address
3618 that can't trap plus a constant integer, if the mode has zero size.
3620 2005-11-03 Ulrich Weigand <uweigand@de.ibm.com>
3622 PR target/24620
3623 * config/s390/s390.md ("*insv<mode>_reg_imm"): Accept any CONST_INT
3624 as operand 2.
3625 ("*insv<mode>_reg_extimm"): Likewise.
3627 2005-11-03 Joseph S. Myers <joseph@codesourcery.com>
3629 PR c/24329
3630 * c-pretty-print.c (pp_c_type_specifier): Do not recurse if
3631 c_common_type_for_mode returns an unnamed type.
3633 2005-11-02 Richard Henderson <rth@redhat.com>
3635 PR target/9350
3636 PR target/24374
3637 * dwarf2out.c (dwarf2out_reg_save_reg): New.
3638 (dwarf2out_frame_debug_expr): Return after dwarf_handle_frame_unspec.
3639 * function.c (assign_parms): Use calls.internal_arg_pointer.
3640 (expand_main_function): Remove FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN
3641 code.
3642 * target-def.h (TARGET_INTERNAL_ARG_POINTER): New.
3643 (TARGET_CALLS): Add it.
3644 * target.h (struct gcc_target): Add calls.internal_arg_pointer.
3645 * targhooks.c (default_internal_arg_pointer): New.
3646 * targhooks.h (default_internal_arg_pointer): Declare.
3647 * tree.h (dwarf2out_reg_save_reg): Declare.
3648 * doc/tm.texi (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): Remove.
3649 * config/i386/i386.c (dbx_register_map): Add return column.
3650 (dbx64_register_map, svr4_dbx_register_map): Likewise.
3651 (TARGET_INTERNAL_ARG_POINTER, ix86_internal_arg_pointer): New.
3652 (TARGET_DWARF_HANDLE_FRAME_UNSPEC, ix86_dwarf_handle_frame_unspec): New.
3653 (ix86_function_ok_for_sibcall): Disable if force_align_arg_pointer.
3654 (ix86_save_reg): Save force_align_arg_pointer.
3655 (ix86_emit_save_regs): Make regno unsigned.
3656 (ix86_emit_save_regs_using_mov): Likewise.
3657 (ix86_expand_prologue): Handle force_align_arg_pointer.
3658 (ix86_expand_epilogue): Likewise.
3659 * config/i386/i386.h: (dbx_register_map): Update.
3660 (dbx64_register_map, svr4_dbx_register_map): Update.
3661 (struct machine_function): Add force_align_arg_pointer.
3662 * config/i386/i386.md (UNSPEC_REG_SAVE, UNSPEC_DEF_CFA): New.
3663 (UNSPEC_TP, UNSPEC_TLS_GD, UNSPEC_TLS_LD_BASE): Renumber.
3664 (TARGET_PUSH_MEMORY peepholes): Disable if RTX_FRAME_RELATED_P.
3666 2005-11-02 Jan Hubicka <jh@suse.cz>
3668 PR target/23303
3669 * i386.md: Add peep2 for simplyfing array accesses.
3671 2005-11-02 Ulrich Weigand <uweigand@de.ibm.com>
3673 PR target/24615
3674 * config/s390/s390-protos.h (s390_decompose_shift_count): Declare.
3675 * config/s390/s390.c (s390_decompose_shift_count): New function.
3676 (s390_extra_constraint_str) ['Y']: Use s390_decompose_shift_count.
3677 (print_shift_count_operand): Use s390_decompose_shift_count.
3678 * config/s390/predicates.md ("setmem_operand", "shift_count_operand"):
3679 Use s390_decompose_shift_count. Do not accept any non-base hard regs.
3681 2005-11-02 Ulrich Weigand <uweigand@de.ibm.com>
3683 PR target/24600
3684 * loop.c (loop_givs_rescan): Use force_operand to expand
3685 complex GIVs.
3687 2005-11-02 Andrew Pinski <pinskia@physics.uc.edu>
3689 PR 22429
3690 * fold-const.c (build_range_check): Use unsigned when signed
3691 overflow is undefined also. If etype is subtype, make sure that
3692 the subtraction is in the supertype.
3694 2005-11-02 Richard Henderson <rth@redhat.com>
3696 PR target/24178
3697 * config/alpha/alpha.c (get_aligned_mem): Honor alignment given
3698 by MEM_ALIGN.
3700 2005-11-01 Richard Henderson <rth@redhat.com>
3702 PR 21518
3703 * loop.c (scan_loop): Do not propagate computations to a hard
3704 register destination with SMALL_REGISTER_CLASSES.
3706 2005-11-01 Joseph S. Myers <joseph@codesourcery.com>
3708 * config/rs6000/rs6000.c (rs6000_rtx_costs): Do not add extra
3709 costs for MULT inside PLUS or MINUS.
3711 2005-11-01 Bob Wilson <bob.wilson@acm.org>
3713 * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Add a byte of padding.
3714 (TRAMPOLINE_SIZE): Round up to 60.
3715 * config/xtensa/lib2funcs.S (TRAMPOLINE_SIZE): Likewise.
3717 2005-10-31 James E. Wilson <wilson@specifix.com>
3719 PR debug/24444
3720 * dwarf2out.c (convert_cfa_to_loc_list): Put inside DWARF2_UNWIND_INFO
3721 ifdef. Put ifdefs around call in gen_subprogram_die.
3722 (compute_frame_pointer_to_cfa_displacement): Likewise.
3723 (gen_subprogram_die): Restore old code for when DWARF2_UNWIND_INFO is
3724 not defined.
3726 PR rtl-optimization/17356
3727 * cfgrtl.c (purge_dead_edges): Undo last change. In EDGE_EH code,
3728 add check for CALL_INSN if EDGE_ABRNOMAL_CALL true.
3730 2005-10-31 Jan Hubicka <jh@suse.cz>
3732 PR middle-end/24093
3733 * cgraph.c (cgraph_clone_edge, cgraph_clone_node): Watch negative
3735 PR target/20928
3736 * i386.c (legitimize_pic_address): Deal with large immediates.
3738 PR profile/20815
3739 * coverage.c (coverage_checksum_string): Fix code to stip random seeds
3740 from symbol names while computing checkup.
3742 PR profile/24487
3743 * predict.c (predict_loops): Do not estimate more than
3744 MAX_PRED_LOOP_ITERATIONS in PRED_LOOP_ITERATIONS heuristic.
3745 * predict.def (MAX_PRED_LOOP_ITERATIONS): Define.
3747 2005-10-31 Andrew MacLeod <amacleod@redhat.com>
3749 PR tree-optimization/19097
3750 * tree-ssa-operands.c (correct_use_link): Don't look for modified stmts.
3752 2005-10-31 J"orn Rennecke <joern.rennecke@st.com>
3754 * optabs.c (expand_unop): Take TRULY_NOOP_TRUNCATION into account.
3756 2005-10-31 Andrew Pinski <pinskia@physics.uc.edu>
3758 PR middle-end/23492
3759 * tree-inline.c (setup_one_parameter): If the init_stmt
3760 is NULL, don't insert the statement.
3762 2005-10-30 Jan Hubicka <jh@suse.cz>
3764 PR tree-optimization/24172
3765 * tree-inline.c (copy_body_r): Unshare the substituted value first.
3767 2005-10-30 Hans-Peter Nilsson <hp@bitrange.com>
3769 * config/mmix/mmix.c (mmix_intval): Correct handling of DFmode
3770 constants for hosts with long != 32 bits.
3772 2005-10-28 Andreas Krebbel <krebbel1@de.ibm.com>
3774 PR middle-end/24093
3775 * ipa-inline.c (craph_decide_recursive_inlining): Fix return value.
3777 2005-10-28 Aldy Hernandez <aldyh@redhat.com>
3779 * config/ms1/ms1.h (TARGET_MS1_64_001): New.
3780 (TARGET_MS1_16_002): New.
3781 (TARGET_MS1_16_003): New.
3783 * config/ms1/ms1.md ("decrement_and_branch_until_zero"): Rewrite.
3784 ("*decrement_and_branch_until_zero_no_clobber"): New.
3785 Add corresponding splitter for decrement_and_branch_until_zero
3786 instruction.
3787 Key all decrement_and_branch_until_zero patterns off of
3788 TARGET_MS1_16_003.
3790 2005-10-28 Andrew Pinski <pinskia@physics.uc.edu>
3792 PR middle-end/24362
3793 * tree-complex.c (extract_component): Treat RESULT_DECL
3794 like the rest of the decls.
3796 2005-10-25 Eric Botcazou <ebotcazou@adacore.com>
3798 * config/ia64/ia64.c (ia64_output_function_profiler): Emit an
3799 indirect call to _mcount if the function needs a static chain.
3801 2005-10-25 Eric Botcazou <ebotcazou@libertysurf.fr>
3802 Caroline Tice <ctice@apple.com>
3804 PR rtl-optimization/24460
3805 * dwarf2out.c (have_switched_text_sections): New boolean variable.
3806 (dwarf2out_switch_text_section): Set it to true instead of
3807 incrementing separate_line_info_table_in_use.
3808 (output_loc_list): Additionally test have_switched_text_sections.
3809 (output_ranges): Likewise.
3810 (dwarf2out_finish): Likewise.
3811 * varasm.c (assemble_start_function): Do not call
3812 insert_section_boundary_note.
3813 (assemble_end_function): If flag_reorder_blocks_and_partition,
3814 switch to the function's section before emitting the .size directive.
3815 * bb-reorder.c (insert_section_boundary_note): Staticify.
3816 (rest_of_handle_reorder_blocks): Call insert_section_boundary_note.
3817 * output.h (insert_section_boundary_note): Delete.
3819 2005-10-24 Andrew Pinski <pinskia@physics.uc.edu>
3821 PR c/23103
3822 * c-format.c (check_format_types): Use lang_hooks.types_compatible_p
3823 instead of pointer equality when comparing types.
3825 2005-10-24 James E. Wilson <wilson@specifix.com>
3827 * sched-deps.c (flush_pending_lists): Pass 1 not 0 in first two
3828 add_dependence_list_and_free calls.
3830 2005-10-24 Steven Bosscher <stevenb@suse.de>
3832 * contrib.texi: Add the names of the LLNL folks who donated
3833 Cray pointer support for gfortran.
3835 2005-10-24 Steven Bosscher <stevenb@suse.de>
3837 PR tree-optimization/24225
3838 * profile.c (branch_prob): Look from end to start through a
3839 basic block when looking for a locus.
3841 2005-10-24 Richard Henderson <rth@redhat.com>
3843 * pa.c (store_reg_modify): Set RTX_FRAME_RELATED_P on each set in
3844 parallel.
3845 (hppa_expand_prologue): Likewise.
3847 2005-10-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3849 * pa-linux.h (NO_PROFILE_COUNTERS): Delete define.
3850 (NO_DEFERRED_PROFILE_COUNTERS): Define.
3851 * pa.h (NO_PROFILE_COUNTERS): Define.
3852 * pa.c (NO_DEFERRED_PROFILE_COUNTERS): Define if not defined.
3853 (funcdef_nos): New vector to hold label numbers of deferred profile
3854 counters.
3855 (output_deferred_profile_counters): New function.
3856 (hppa_profile_hook): Push label number onto funcdef_nos.
3857 (pa_hpux_file_end): Call output_deferred_profile_counters if
3858 NO_DEFERRED_PROFILE_COUNTERS is false.
3860 * pa-protos.h (get_deferred_plabel): New prototype.
3861 * pa.c (get_plabel): Rename to get_deferred_plabel. Return plabel.
3862 Make global.
3863 (output_call): Adjust calls.
3865 2005-10-24 Alan Modra <amodra@bigpond.net.au>
3867 * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Explain
3868 peculiarity of GOT/TOC section usage.
3870 2005-10-23 Andrew Pinski <pinskia@physics.uc.edu>
3872 PR objc/24435
3873 * c-common.c (constant_string_class_name): Add documentation.
3875 2005-10-23 Kaz Kojima <kkojima@gcc.gnu.org>
3877 PR target/23832
3878 * recog.c (peephole2_optimize): Increment peep2_current_count
3879 only when the slot is empty.
3881 2005-10-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3883 PR ada/23957
3884 * except.c (output_function_exception_table): Call
3885 assemble_external_libcall if we need a personality function.
3887 2005-10-21 Eric Botcazou <ebotcazou@libertysurf.fr>
3889 PR rtl-optimization/24460
3890 * bb-reorder.c (fix_crossing_unconditional_branches): Do not
3891 set the basic block for barriers.
3893 2005-10-21 Janis Johnson <janis187@us.ibm.com>
3895 * var-tracking.c (vt_initialize): Initialize post.
3897 2005-10-21 Devang Patel <dpatel@apple.com>
3899 PR/24220
3900 * c-common.c (vector_types_convertible_p): Check vector element type.
3902 2005-10-21 Kaz Kojima <kkojima@gcc.gnu.org>
3904 * config/sh/sh.c (prepare_move_operands): Handle the address
3905 constant which is a tls symbolic address plus a constant.
3907 2005-10-21 Andrew Pinski <pinskia@physics.uc.edu>
3909 PR driver/24473
3910 * gcc.c (main): Use the correct counter for erroring out
3911 about mulitple files.
3913 2005-10-21 Alan Modra <amodra@bigpond.net.au>
3915 PR target/24465
3916 * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Always
3917 use r2 for 64-bit tls .got access.
3919 2005-10-21 Paolo Bonzini <bonzini@gnu.org>
3921 * dojump.c (do_jump): Handle side-effecting TRUTH_AND_EXPR and
3922 TRUTH_OR_EXPR.
3924 2005-10-20 Steven Bosscher <stevenb@suse.de>
3926 PR tree-optimization/24307
3927 * tree-cfg.c (tree_find_edge_insert_loc): Handle naked RETURN_EXPR.
3929 2005-10-20 Alexandre Oliva <aoliva@redhat.com>
3931 PR middle-end/24295
3932 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Mark
3933 alias targets.
3934 * varasm.c (find_decl_and_mark_needed): After cgraph global info
3935 is ready, stop marking functions, but still mark variables.
3937 2005-10-20 Richard Guenther <rguenther@suse.de>
3939 PR c++/24439
3940 * fold-const.c (invert_truthvalue): Handle COND_EXPR with
3941 void type operands.
3943 2005-10-20 Eric Botcazou <ebotcazou@libertysurf.fr>
3945 PR rtl-optimization/23585
3946 * rtlanal.c (rtx_addr_can_trap_p_1): New predicate extracted from...
3947 (rtx_addr_can_trap_p): ... here. Invoke rtx_addr_can_trap_p_1.
3948 (may_trap_p_1): New predicate extracted from...
3949 (may_trap_p): ... here. Invoke may_trap_p_1.
3950 (may_trap_or_fault_p): New predicate.
3951 * rtl.h (may_trap_or_fault_p): Declare it.
3952 * reorg.c (steal_delay_list_from_target): Use may_trap_or_fault_p
3953 instead of may_trap_p.
3954 (steal_delay_list_from_fallthrough): Likewise.
3955 (fill_simple_delay_slots): Likewise.
3956 (fill_slots_from_thread): Likewise.
3957 * function.c (pad_to_arg_alignment): Rework comment about
3958 SPARC_STACK_BOUNDARY_HACK.
3959 * config/sparc/sparc.h: Likewise.
3961 2005-10-19 Adrian Straetling <straetling@de.ibm.com>
3963 * config/s390/s390.c (s390_expand_insv): New.
3964 * config/s390/s390-protos.h (s390_expand_insv): Declare.
3965 * config/s390/s390.md ("UNSPEC_SETHIGH"): Rename to "UNSPEC_ICM".
3966 ("icm_hi"): Remove mode attribute.
3967 ("*sethigh<mode><mode>"): Rewrite to "sethighpart<mode>".
3968 Adjust all uses.
3969 ("*extracthi", "*extractqi"): Remove.
3970 (extv<mode>", "*extzv<mode>"): New.
3971 ("insv", "*insv<mode>_mem_reg", "*insvdi_mem_reghigh",
3972 "*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): New.
3974 2005-10-19 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
3976 * cfgexpand.c (discover_nonconstant_array_refs_r,
3977 discover_nonconstant_array_refs): Move here from tree-outof-ssa.c
3978 (tree_expand_cfg): Call discover_nonconstant_array_refs.
3979 * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
3980 discover_nonconstant_array_refs.
3982 2005-10-19 Steven Bosscher <stevenb@suse.de>
3984 PR c/23228
3985 * c-decl.c (pop_scope): Don't warn about an unused variable
3986 if it is marked with TREE_NO_WARNING.
3987 (duplicate_decls): Set TREE_NO_WARNING if olddecl and newdecl
3988 somenow mismatch and olddecl is to be replaced.
3990 2005-10-19 Eric Botcazou <ebotcazou@libertysurf.fr>
3992 PR middle-end/23199
3993 * cfgrtl.c (safe_insert_insn_on_edge): Use can_copy_p to detect
3994 whether registers live on the edge can be saved/restored.
3996 2005-10-19 Kaz Kojima <kkojima@gcc.gnu.org>
3998 * config/sh/sh.c (fixup_mova): Skip notes.
4000 2005-10-19 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4002 * config/s390/s390-protos.h (s390_hard_regno_rename_ok): Add prototype.
4003 * config/s390/s390.c (s390_hard_regno_rename_ok): New function.
4004 (s390_can_eliminate): Handle BASE_REGNUM elimination.
4005 (s390_initial_elimination_offset): Likewise.
4006 (s390_conditional_register_usage): BASE_REGNUM is no longer a fixed
4007 register on TARGET_ZARCH targets.
4008 * config/s390/s390.h (HARD_REGNO_RENAME_OK): Define
4009 (INITIAL_FRAME_POINTER_OFFSET): Remove.
4010 (REG_ALLOC_ORDER): Move BASE_REGNUM lower.
4011 (ELIMINABLE_REGS): Add BASE_REGNUM elimination rule.
4013 2005-10-19 Andreas Krebbel <krebbel1@de.ibm.com>
4015 * config/s390/s390.md: Comment describing output modifiers updated.
4016 * config/s390/s390.c (print_operand): Likewise.
4018 2005-10-19 Andreas Krebbel <krebbel1@de.ibm.com>
4020 * config/s390/s390.c (override_options): Added check for -mstack-size
4021 64k limitation.
4022 * doc/invoke.texi: Mention that limit in the documenation.
4024 2005-10-18 Paolo Bonzini <bonzini@gnu.org>
4026 PR #19672
4027 * dojump.c (do_jump): Handle TRUTH_AND_EXPR and TRUTH_OR_EXPR here.
4029 2005-10-18 Daniel Berlin <dberlin@dberlin.org>
4031 Fix PR tree-optimization/24231
4033 * tree-ssa-pre.c (try_look_through_load): Skip abnormal phi names
4034 (compute_avail): Ditto.
4036 2005-10-18 Richard Henderson <rth@redhat.com>
4038 PR target/24428
4039 * config/i386/i386.c (legitimate_constant_p): Check
4040 SYMBOL_REF_TLS_MODEL directly. Don't fallthru to SYMBOL_REF
4041 if LABEL_REF.
4042 (legitimate_pic_operand_p): Test SYMBOL_REF_TLS_MODEL directly.
4043 (legitimate_pic_address_disp_p): Reorg CONST checking to make
4044 sure SYMBOL_REF_TLS_MODEL is tested. Test SYMBOL_REF_TLS_MODEL
4045 directly.
4046 (print_operand_address): Likewise.
4047 * config/i386/predicates.md (x86_64_immediate_operand): Test
4048 SYMBOL_REF_TLS_MODEL properly inside CONST.
4049 (x86_64_zext_immediate_operand): Likewise.
4050 (global_dynamic_symbolic_operand, local_dynamic_symbolic_operand,
4051 initial_exec_symbolic_operand, local_exec_symbolic_operand): Remove.
4052 * config/i386/i386-protos.h: Remove predicates.md entries.
4054 2005-10-18 Danny Smith <dannysmith@users.sourceforge.net>
4056 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
4057 Check that elements of TYPE_METHODS are FUNCTION_DECLs.
4059 2005-10-17 Alexey Starovoytov <alexey.starovoytov@sun.com>
4060 Ian Lance Taylor <ian@airs.com>
4062 PR middle-end/23522
4063 * fold-const.c (fold_widened_comparison): Do not allow range based
4064 constant folding when right operand cannot be unwidened.
4066 2005-10-17 Richard Henderson <rth@redhat.com>
4068 * builtins.c (expand_builtin_synchronize): Build a new-style asm
4069 with a memory clobber.
4071 2005-10-17 James E Wilson <wilson@specifix.com>
4073 PR rtl-optimization/17356
4074 * cfgrtl.c (purge_dead_edges): Check for EDGE_ABNORMAL_CALL before
4075 checking for EDGE_EH.
4077 2005-10-17 Eric Botcazou <ebotcazou@libertysurf.fr>
4079 * config/sparc/sparc.c (function_arg_slotno): In 64-bit mode, align
4080 the slot on an even boundary for any type with 16-byte alignment.
4082 2005-10-17 Hans-Peter Nilsson <hp@axis.com>
4084 PR target/23424
4085 * md.texi (Modifiers) <%>: Clarify that % doesn't work
4086 after register allocation.
4088 2005-10-17 DJ Delorie <dj@redhat.com>
4090 * config/m32c/m32c.c (m32c_pushm_popm): Don't mark epilogue insns
4091 as frame related.
4093 2005-10-17 Nathan Sidwell <nathan@codesourcery.com>
4095 PR c++/22551
4096 * c-common.c (c_add_case_label): Revert my 2005-10-14 clearing of
4097 overflow flags.
4099 2005-10-17 Kaz Kojima <kkojima@gcc.gnu.org>
4101 * config/sh/sh.h (OPTIMIZATION_OPTIONS): Set flag_schedule_insns
4102 to 2 if it's already non-zero.
4103 (OVERRIDE_OPTIONS): Clear flag_schedule_insns if flag_exceptions
4104 is set and warn about it if flag_schedule_insns is 1.
4106 2005-10-17 Paul Woegerer <paul.woegerer@nsc.com>
4108 * config/crx/crx.md: Compare-and-branch instructions need to
4109 invalidate CC.
4111 2005-10-17 Uros Bizjak <uros@kss-loka.si>
4113 PR target/24315
4114 * config/i386/i386.md (*pushdi2_rex64 splitter)
4115 (*movdi_1_rex64 splitter, *ashldi3_1 splitter)
4116 (*ashrdi3_1 splitter, *lshrdi3_1 splitter): Delay splitting after
4117 flow2 pass only when (optimize > 0 && flag_peephole2).
4119 2005-10-16 Andrew Pinski <pinskia@physics.uc.edu>
4121 PR driver/22544
4122 * gcc.c (have_c): New static variable.
4123 (have_o): Likewise.
4124 (process_command): Remove declation of have_c.
4125 Set have_o to 1 when handling -o.
4126 (main): Add a fatel error if there are multiple
4127 files specified and -o and -c/-S is passed witout
4128 -combine or multiple languages.
4130 2005-10-16 Daniel Berlin <dberlin@dberlin.org>
4132 Fix PR tree-optimization/22444
4133 * tree-ssa-alias.c (compute_flow_insensitive_aliasing):
4134 Assert that we don't hit something with subvars.
4135 (setup_pointers_and_addressables): Don't add things with subvars,
4136 because we'll already process the subvars for aliasing purposes.
4138 2005-10-16 Hans-Peter Nilsson <hp@axis.com>
4140 PR target/23424
4141 * config/cris/cris.md ("*mov_side<mode>", "*mov_sidesisf")
4142 ("*mov_side<mode>_mem", "*mov_sidesisf_mem", "*clear_side<mode>")
4143 ("*ext_sideqihi", "*ext_side<mode>si", "*op_side<mode>")
4144 ("*op_swap_side<mode>", "*extopqihi_side", "*extop<mode>si_side")
4145 ("*extopqihi_swap_side", "*extop<mode>si_swap_side"): Have separate,
4146 swapped, alternatives for the R constraint.
4148 PR middle-end/24341
4149 * builtins.c (get_builtin_sync_mode): Make unlimited
4150 mode_for_size request.
4152 2005-10-15 Richard Henderson <rth@redhat.com>
4154 * gimplify.c (gimplify_var_or_parm_decl): Split out from ...
4155 (gimplify_expr): ... here.
4156 (gimplify_compound_lval): Use it in initial scan loop. Allow
4157 fb_lvalue in base expression.
4159 2005-10-15 Richard Henderson <rth@redhat.com>
4161 PR 23714
4162 * builtins.c (expand_builtin_trap): Export.
4163 * expr.h (expand_builtin_trap): Declare.
4164 * expr.c (expand_assignment): Emit a trap for integral offsets
4165 from registers that weren't reduced to bitpos.
4167 * tree-cfg.c (mark_array_ref_addressable_1): Remove.
4168 (mark_array_ref_addressable): Remove.
4169 * tree-flow.h (mark_array_ref_addressable): Remove.
4170 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Don't call it.
4172 2005-10-15 James E Wilson <wilson@specifix.com>
4174 PR target/24232
4175 * sched-deps.c (add_dependence_list): New arg UNCOND. Fix all callers.
4176 (add_dependence_list_and_free): Likewise.
4177 (sched_analyze_2, case MEM): Delete sched_insns_conditions_mutex_p
4178 call.
4180 2005-10-15 Diego Novillo <dnovillo@redhat.com>
4182 PR 23141
4183 PR 23142
4184 * tree-vrp.c (vrp_meet): Fix the intersection of equivalence
4185 sets VR0->EQUIV and VR1->EQUIV when meeting a range and an
4186 anti-range.
4187 (vrp_visit_phi_node): Only prevent infinite iterations when
4188 the previous result and the new result are both VR_RANGEs.
4190 2005-10-15 Ranjit Mathew <rmathew@gcc.gnu.org>
4192 * tree-into-ssa.c (mark_def_sites): Correct minor typo in
4193 function comment.
4195 2005-10-14 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4197 PR c/23439
4198 * c-parser.c (c_parser_for_statement): Use location of RID_FOR
4199 to initialize loc.
4201 2005-10-14 Per Bothner <per@bothner.com>
4203 PR preprocessor/21250
4204 * c-ppoutput.c (print_line): Print internal line 0 as 1.
4206 2005-10-14 Nathan Sidwell <nathan@codesourcery.com>
4208 PR c++/22551
4209 * c-common.c (c_add_case_label): Clear LOW_VALUE and HIGH_VALUE's
4210 overflow flags. Refactor some conditionals.
4212 2005-10-13 Andrew Pinski <pinskia@physics.uc.edu>
4214 PR tree-opt/21304
4215 * tree-dfa.c (add_referenced_var): Only look at decls which
4216 have TREE_CONSTANT or TREE_READONLY set instead of if
4217 !TREE_PUBLIC or !TREE_CONSTANT.
4219 2005-10-13 James E Wilson <wilson@specifix.com>
4221 * doc/invoke.texi: For -x, add f95-cpp-input.
4222 * doc/install.texi: For --enable-languages doc, change f95 to fortran.
4224 2005-10-12 Sebastian Pop <pop@cri.ensmp.fr>
4226 PR tree-optimization/24262
4227 * tree-data-ref.c (analyze_offset_expr): Check that init is invariant
4228 in loop all the time.
4230 2005-10-12 Richard Henderson <rth@redhat.com>
4232 PR c/24255
4233 * tree.h (DECL_TRANSPARENT_UNION): Remove.
4234 * function.c (assign_parm_find_data_types): Don't support it.
4235 * print-tree.c (print_node): Likewise.
4236 * c-common.c (handle_transparent_union_attribute): Likewise.
4237 Use build_duplicate_type.
4238 * tree-inline.c (remap_type_1): Split out of remap_type;
4239 properly remap aggregate fields.
4240 (build_duplicate_type): New.
4241 * doc/extend.texi (Variable Attributes): Remove documentation
4242 for transparent_union.
4244 2005-10-12 Eric Botcazou <ebotcazou@libertysurf.fr>
4246 PR target/24284
4247 * config/sparc/sparc.c (gen_stack_pointer_inc): Build by hand.
4248 (gen_stack_pointer_dec): Likewise.
4250 2005-10-12 Danny Smith <dannysmith@users.sourceforge.net>
4252 PR middle-end/21275
4253 PR middle-end/21766
4254 * target.h (struct gcc_target): Add valid_dllimport_attribute_p
4255 target hook.
4256 (struct cxx): Add adjust_class_at_definition target hook.
4257 * target-def.h: (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): New define,
4258 defaulting to hook_bool_tree_true. Add to TARGET_INITIALIZER
4259 (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): New define, defaulting to
4260 hook_void_tree. Add to TARGET_CXX.
4261 * tree.h (struct decl_with_vis): Rename non_addr_const_p field to
4262 dllimport_flag.
4263 (DECL_NON_ADDR_CONSTANT_P): Replace with DECL_DLLIMPORT_P macro.
4264 * tree.c (merge_dllimport_decl_attributes): Check DECL_DLLIMPORT_P
4265 instead of attribute. Check for dllexport override. Warn if
4266 inconsistent dll linkage. Don't lose old dllimport if decl has
4267 had address referenced. Tweak lookup of dllimport atribute.
4268 (handle_dll_attribute): Check targetm.valid_dllimport_attribute_p
4269 for target specific rules. Don't add dllimport attribute if
4270 DECL_DECLARED_INLINE_P. Set DECL_DLLIMPORT_P when adding
4271 dllimport attribute.
4272 (staticp): Replace DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P.
4273 * varasm.c (initializer_constant_valid_p): Replace
4274 DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P
4276 PR target/21801
4277 PR target/23589
4278 * config.gcc (i[34567]86-*-cygwin*): Add winnt-cxx.o to
4279 'cxx_target_objs', winnt-stubs,o to 'extra_objs'.
4280 (i[34567]86-*-mingw32*): Likewise.
4282 * doc/tm.texi (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Document.
4283 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Document.
4285 * config/i386/winnt.c (i386_pe_dllimport_p): Factor out
4286 C++-specific code. Change return value to bool.
4287 (i386_pe_dllimport_p): Likewise.
4288 (associated_type): Simplify and make language-independent
4289 (i386_pe_encode_section_info): Replace override of ambiguous
4290 dllimport symbol refs with a gcc_assert.
4291 (i386_pe_valid_dllimport_attribute_p): Define.
4292 * config/i386/winnt-cxx.c: New file. Define C++ versions of
4293 i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
4294 i386_pe_adjust_class_at_definition.
4295 * config/i386/winnt-stubs.c: New file. Define stub versions of
4296 lang-specific functions.
4297 * config/i386/i386-protos.h: Declare winnt-[cxx|stubs].c functions
4298 i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
4299 i386_pe_adjust_class_at_definition.
4300 (i386_pe_valid_dllimport_attribute_p): Declare.
4301 * config/i386/cygming.h (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Define.
4302 (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Define.
4303 * config/i386/t-cygming: Add rules for winnt-cxx.o, winnt-stubs.o.
4305 PR target/19704
4306 * config/i386/i386.c (ix86_function_ok_for_sibcall): Replace test for
4307 dllimport attribute with test of DECL_DLLIMPORT_P.
4309 2005-10-12 Adrian Straetling <straetling@de.ibm.com>
4311 * combine.c (make_extraction): Correct offset computation.
4313 2005-10-12 Hans-Peter Nilsson <hp@axis.com>
4315 * config/cris/t-linux (LIMITS_H_TEST): Define.
4317 2005-10-12 Richard Henderson <rth@redhat.com>
4319 PR rtl-opt/23324
4320 * cfgexpand.c (add_alias_set_conflicts): Use objects_must_conflict_p.
4322 2005-10-12 Richard Guenther <rguenther@suse.de>
4324 * Makefile.in (CGRAPH_H): Depend on $(TREE_H).
4326 2005-10-12 Nathan Sidwell <nathan@codesourcery.com>
4328 PR c++/19964
4329 * stor-layout.c (place_field): Set DECL_FIELD_OFFSET and
4330 DECL_FIELD_BIT_OFFSET of FIELD_DECLs, even if they have an invalid
4331 type.
4333 2005-10-12 Richard Guenther <rguenther@suse.de>
4335 PR c++/23799
4336 * varasm.c (output_constant): Correct typo from previous
4337 patch by DJ.
4339 2005-10-11 Ian Lance Taylor <ian@airs.com>
4341 PR rtl-optimization/13931
4342 * combine.c: Revert patch of 2003-05-14, and:
4343 (try_combine): Only set elim_i1 and elim_i2 if the destination is
4344 completely killed in the appropriate insn.
4345 (distribute_notes): Don't skip multiple hard register test for
4346 elim_i1 and elim_i2.
4348 2005-10-11 Richard Henderson <rth@redhat.com>
4350 PR c/24255
4351 * c-typeck.c (convert_for_assignment): Use build_constructor_single
4352 to initialize a transparent union instead of a nop_expr.
4354 2005-10-11 Richard Henderson <rth@redhat.com>
4356 * Makefile.in (tree-ssa-dce.o): Depend on SCEV_H.
4357 * tree-ssa-dce.c: Include tree-scalar-evolution.h.
4358 (tree_ssa_dce_loop): Call scev_reset.
4360 PR tree-opt/24300
4361 * Makefile.in (tree-ssa-dce.o): Depend on CFGLOOP_H.
4362 * tree-ssa-dce.c: Include cfgloop.h.
4363 (tree_ssa_dce_loop, pass_dce_loop): New.
4364 * tree-pass.h (pass_dce_loop): Declare it.
4365 * passes.c (init_optimization_passes): Use it.
4367 2005-10-11 Eric Botcazou <ebotcazou@libertysurf.fr>
4369 PR middle-end/24263
4370 * convert.c (convert_to_real): Revert 2005-10-05 patch.
4371 Only apply the optimization for rounding builtins if the inner
4372 cast is also an extension.
4374 2005-10-11 Andrew Pinski <pinskia@physics.uc.edu>
4376 PR tree-opt/23946
4377 * tree-ssa-ccp.c (execute_fold_all_builtins): Call
4378 mark_new_vars_to_rename instead of update_stmt.
4380 2005-10-11 Bernd Schmidt <bernd.schmidt@analog.com>
4382 * config/bfin/crti.s (__init, __fini): Renamed from _init, _fini.
4384 2005-10-11 Jakub Jelinek <jakub@redhat.com>
4386 * config/i386/i386.md (movsi_1, movdi_1_rex64): Use mmxadd type
4387 for setting MMX register to 0 rather than mmx.
4389 2005-10-10 Steve Ellcey <sje@cup.hp.com>
4391 PR target/12098
4392 * configure.ac: Move gas check from mips specific case to common case.
4393 Do check for GNU as for mips*-*-* and *-*-hpux* targets.
4394 * configure: Regenerate
4395 * doc/install.texi: Update.
4397 2005-10-10 Eric Botcazou <ebotcazou@libertysurf.fr>
4399 PR target/24284
4400 * config/sparc/sparc.c (sparc_expand_prologue): Remove bogus PATTERN.
4402 2005-10-10 Maciej W. Rozycki <macro@linux-mips.org>
4404 * gcc.c (do_spec_1): Accept numeric characters in file name
4405 suffixes.
4407 2005-10-10 Nick Clifton <nickc@redhat.com>
4409 * config/arm/arm.c: Remove extraneous whitespace. Remove comment
4410 describing the deleted arm_gen_rotated_half_load function.
4412 2005-10-09 Kaz Kojima <kkojima@gcc.gnu.org>
4414 * config/sh/sh.c (emit_fpu_switch): Set TREE_PUBLIC for
4415 __fpscr_values.
4417 2005-10-09 Daniel Jacobowitz <dan@codesourcery.com>
4419 * config.gcc (arm*-*-linux*): Remove redundant extra_parts and
4420 gnu_ld assignments.
4421 * config/arm/t-linux-eabi (LIB1ASMFUNCS)
4422 (EXTRA_MULTILIB_PARTS): Define.
4423 * config/arm/linux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
4424 (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
4425 (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Move to...
4426 * config/arm/uclinux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
4427 (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
4428 (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): ... here.
4430 2005-10-09 Zdenek Dvorak <dvorakz@suse.cz>
4432 PR tree-optimization/24226
4433 * tree-cfg.c (remove_bb): Clean up unreachable loops.
4434 * tree-flow.h (free_numbers_of_iterations_estimates_loop): Declare.
4435 * tree-ssa-loop-niter.c (free_numbers_of_iterations_estimates_loop):
4436 Export.
4438 2005-10-09 Eric Botcazou <ebotcazou@libertysurf.fr>
4440 * config/sparc/gmon-sol2.c (internal_mcount): Mark as used.
4442 2005-10-08 Andrew Pinski <pinskia@physics.uc.edu>
4444 PR target/24136
4445 * config/rs6000/darwin.md (movdf_low_si): Remove early clobber.
4446 Rewrite for no need for the early clobber.
4448 2005-10-08 Kazu Hirata <kazu@codesourcery.com>
4450 Merge from csl-arm-branch:
4451 2005-09-07 Paul Brook <paul@codesourcery.com>
4452 * config/arm/linux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Prepend a
4453 space to string.
4455 2005-04-30 Paul Brook <paul@codesourcery.com>
4456 * config/arm/bpabi.h (TARGET_DEFAULT): Define.
4457 * config/arm/linux-eabi.h (SUBTARGET_CPU_DEFAULT): Define.
4459 2005-03-07 Daniel Jacobowitz <dan@codesourcery.com>
4460 * config/arm/arm.c (arm_all_abis): Add aapcs-linux.
4461 (arm_override_options): Use TARGET_AAPCS_BASED.
4462 * config/arm/arm.h (enum arm_abi_type): Add ARM_ABI_AAPCS_LINUX.
4463 (PTRDIFF_TYPE): Use int for AAPCS.
4464 (DEFAULT_SHORT_ENUMS): Use false for aapcs-linux.
4465 * config/arm/linux-eabi.h (ARM_DEFAULT_ABI, WCHAR_TYPE): Define.
4466 (DEFAULT_SHORT_ENUMS): Delete.
4467 * doc/invoke.texi (ARM Options): Document -mabi=aapcs-linux.
4469 2004-12-15 Daniel Jacobowitz <dan@codesourcery.com>
4470 * config/arm/arm.h (DEFAULT_SHORT_ENUMS): Wrap in #ifndef.
4471 * config/arm/linux-eabi.h (DEFAULT_SHORT_ENUMS): Define to 0.
4472 * config/arm/t-linux-eabi (TARGET_LIBGCC2_CFLAGS): Set to -fPIC.
4474 2004-12-03 Mark Mitchell <mark@codesourcery.com>
4475 * config/arm/linux-eabi.h (LIBGCC_SPEC): Do not define.
4477 2004-11-22 Mark Mitchell <mark@codesourcery.com>
4478 * config.gcc (arm*-*-linux-gnueabi): Use __cxa_atexit.
4480 2004-11-19 Mark Mitchell <mark@codesourcery.com>
4481 * config.gcc (arm*-*-linux-gnueabi): Add it.
4482 * config/arm/bpabi.h (FPUTYPE_DEFAULT): Undefine it before
4483 redefining it.
4484 (TARGET_OS_CPP_BUILTINS): Likeiwse.
4485 * config/arm/linux-eabi.h: New file.
4486 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): New macro.
4487 (LINUX_TARET_LINK_SPEC): Likewise.
4488 (LINK_SPEC): Use it.
4489 * config/arm/t-linux-eabi: New file.
4491 2005-10-08 Steven Bosscher <stevenb@suse.de>
4493 PR other/22202
4494 * params.def (PARAM_MAX_VARIABLE_EXPANSIONS): Remove superfluous
4495 spaces.
4496 (PARAM_SMS_DFA_HISTORY): Likewise.
4498 2005-10-08 Kazu Hirata <kazu@codesourcery.com>
4500 PR middle-end/23150
4501 * calls.c (mem_overlaps_already_clobbered_arg_p): New.
4502 (load_register_parameters): Call it.
4503 (check_sibcall_argument_overlap_1): Likewise.
4504 (store_one_arg): Likewise.
4506 2005-10-07 James E. Wilson <wilson@specifix.com>
4508 * config/ia64/vect.md (ashl<mode>3, ashr<mode>3, lshr<mode>3): Use
4509 DImode not VECINT24 for operand 2.
4511 PR target/23644
4512 * doc/invoke.texi (IA-64 Options, item -mtune): Renamed from
4513 -mtune-arch.
4515 PR target/24193
4516 * config/ia64/ia64.md (movbi, movti_internal, gr_spill_internal,
4517 fr_spill): Use destination_operand for operand 0.
4519 2005-10-07 DJ Delorie <dj@redhat.com>
4521 * varasm.c (output_constant): Limit error to expanding
4522 conversions.
4524 2005-10-07 Richard Guenther <rguenther@suse.de>
4526 PR middle-end/24227
4527 * fold-const.c (fold_binary): Fix operand types during folding
4528 of X op (A, Y). Evaluation order of the side-effects of
4529 X and A are frontend-defined, so ensure we honour that even for
4530 tcc_comparison class operands; eased by removing duplicate code.
4532 2005-10-07 Steve Ellcey <sje@cup.hp.com>
4534 * stor-layout.c (layout_type): Do not allow alignment of array
4535 elements to be greater than their size.
4537 2005-10-07 Steve Ellcey <sje@cup.hp.com>
4539 * config.host (hppa*-*-hpux*): Change out_host_hook_obj and
4540 host_xmake_file.
4541 (hppa*-*-linux*): Ditto.
4542 (ia64-*-hpux*): Add out_host_hook_obj and host_xmake_file.
4543 * config/host-hpux.c: New.
4544 * config/x-hpux: New.
4545 * config/pa/x-hpux: Remove.
4546 * config/pa/x-linux: Remove.
4547 * config/pa/pa-host.c: Remove.
4549 2005-10-07 Jeff Law <law@redhat.com>
4551 * tree-ssa-dom.c (dom_opt_finalize_block): Fix conditions to
4552 determine whether or not to try and thread outgoing edges.
4554 2005-10-07 David Edelsohn <edelsohn@gnu.org>
4556 * config/rs6000/rs6000.md (eqsi_power): New.
4557 (neg_eq0si): Add TARGET_POWER to final condition.
4558 (neg_eqsi): Same.
4560 2005-10-06 Richard Henderson <rth@redhat.com>
4562 * config/rs6000/rs6000.c: Revert last change.
4564 2005-10-06 Richard Henderson <rth@redhat.com>
4566 * config/rs6000/rs6000.c (rs6000_cannot_force_const_mem): New.
4567 (TARGET_CANNOT_FORCE_CONST_MEM): Use it.
4569 2005-10-06 Andrew Pinski <pinskia@physics.uc.edu>
4571 PR middle-end/22216
4572 PR middle-end/23651
4573 * cfgexpand.c (tree_expand_cfg): After expanding the functions, clear
4574 out return_label and naked_return_label.
4576 2005-10-06 Daniel Berlin <dberlin@dberlin.org>
4578 * tree-ssa-structalias.c (check_for_overlaps): Fix bug in last
4579 change.
4581 2005-10-06 Richard Henderson <rth@redhat.com>
4583 PR tree-opt/22237
4584 * tree-inline.c (declare_return_variable): Handle modify_dest not
4585 being a DECL.
4587 2005-10-06 Daniel Berlin <dberlin@dberlin.org>
4589 Fix PR tree-optimization/22488
4590 * tree-ssa-structalias.c (check_for_overlaps): New function.
4591 (create_variable_info_for): Use it.
4593 2005-10-06 Richard Henderson <rth@redhat.com>
4595 PR debug/24070
4596 * dwarf2out.c (lookup_filename): Return the result of maybe_emit_file.
4597 (dwarf2out_start_source_file): Print it.
4599 2005-10-06 Geoffrey Keating <geoffk@apple.com>
4601 * config/t-slibgcc-darwin (SHLIB_MAPFILES): Use '+='.
4603 2005-10-06 Richard Henderson <rth@redhat.com>
4605 PR 23706
4606 * mode-switching.c (optimize_mode_switching): Clear transp bit
4607 for block with incomming abnormal edges.
4609 * config/sh/sh.c (fpscr_values, emit_fpu_switch): New.
4610 (fpscr_set_from_mem): Use them.
4611 * config/sh/sh.md (fpu_switch0, fpu_switch1): Remove.
4612 (fpscr postinc splitters): Rewrite as peephole2+split.
4614 2005-10-06 David Edelsohn <edelsohn@gnu.org>
4616 * config/rs6000/rs6000.md (eq<mode>): Add !TARGET_POWER.
4617 (eq<mode>_compare): Same.
4619 2005-10-06 Richard Guenther <rguenther@suse.de>
4621 PR tree-optimization/24238
4622 * tree-ssa-alias.c (find_used_portions): Handle RESULT_DECL.
4624 2005-10-06 Daniel Jacobowitz <dan@codesourcery.com>
4626 * acinclude.m4 (gcc_AC_CHECK_TOOL): Handle environment variables
4627 here. Use AC_PATH_PROG for environment variables instead of
4628 test -x.
4629 * configure.ac: Update calls to gcc_AC_CHECK_TOOL. Use it for
4630 objdump also.
4631 * configure: Regenerated.
4633 2005-10-06 Richard Earnshaw <richard.earnshaw@arm.com>
4635 PR target/23783
4636 * arm.md (call): If the address isn't a SYMBOL_REF or a register,
4637 then force it into a register.
4638 (call_value): Likewise.
4640 2005-10-06 Richard Henderson <rth@redhat.com>
4642 PR 24049
4643 * passes.c (init_optimization_passes): Move pass_lower_vector_ssa
4644 under pass_vectorize. Clear TODO_ggc_collect from the dce pass
4645 under pass_vectorize.
4647 2005-10-05 Devang Patel <dpatel@apple.com>
4649 PR Debug/23205
4650 * dbxout.c (dbxout_symbol): Check DECL_RTL_SET_P, after
4651 handling constants. Check NAMESPACE_DECL context for constants.
4653 2005-10-05 Eric Christopher <echristo@apple.com>
4655 * doc/md.texi (Standard Names): Fix name of pushm1 pattern.
4657 2005-10-05 Richard Henderson <rth@redhat.com>
4659 PR 23714
4660 * tree-cfg.c (mark_array_ref_addressable_1): New.
4661 (mark_array_ref_addressable): New.
4662 * tree-flow.h (mark_array_ref_addressable): Declare.
4663 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Use it.
4665 2005-10-05 Andrew Pinski <pinskia@physics.uc.edu>
4667 PR middle-end/20606
4668 PR middle-end/24069
4669 * reload.c (subst_reloads): When adding a REG_LABEL to a
4670 jump instruction, also update JUMP_LABEL.
4672 2005-10-05 David Edelsohn <edelsohn@gnu.org>
4674 * params.def (PARAM_MAX_GROW_COPY_BB_INSNS): New.
4675 * bb-reorder.c (copy_bb_p): Use it.
4676 * doc/invoke.texi (param table): Add max-grow-copy-bb-insn.
4678 2005-10-05 Richard Henderson <rth@redhat.com>
4680 PR target/23602
4681 * toplev.c (process_options): Warn about unsupported combinations
4682 of unwind tables and omit-frame-pointer.
4683 * config/i386/i386.c (override_options): Similarly. Enable
4684 accumulate-outgoing-args if not explicitly disabled.
4686 2005-10-05 Steve Ellcey <sje@cup.hp.com>
4688 * vect.md (vec_initv2si): Fix typo of V2SF to V2SI.
4689 Handle big endian vs. small endian.
4690 (vec_initv2sf): Handle big endian vs. small endian.
4691 (*vec_extractv2sf_1): Ditto.
4693 2005-10-05 Dale Johannesen <dalej@apple.com>
4695 * convert.c (convert_to_real): Don't convert
4696 (float)floor(double d) to floorf((float)d).
4698 2005-10-05 Daniel Jacobowitz <dan@codesourcery.com>
4700 * config/arm/arm.md (insv): Use gen_int_mode in more places.
4702 2005-10-05 Andrew MacLeod <amacleod@redhat.com>
4704 PR tree-optimization/18587
4705 * tree-ssa-operands.c (struct opbuild_list_d, OPBUILD_LAST): Delete.
4706 (build_defs, build_uses, build_v_may_defs, build_v_must_defs,
4707 build_vuses): Change to VEC type.
4708 (opbuild_initialize_virtual, opbuild_initialize_real, opbuild_free,
4709 opbuild_num_elems, opbuild_append_real, opbuild_append_virtual,
4710 opbuild_first, opbuild_next, opbuild_elem_real, opbuild_elem_virtual,
4711 opbuild_elem_uid, opbuild_clear, opbuild_remove_elem): Delete.
4712 (get_name_decl): New. Return DECL_UID of base variable.
4713 (operand_build_cmp): New. qsort comparison routine.
4714 (operand_build_sort_virtual): New. Sort virtual build vector.
4715 (init_ssa_operands, fini_ssa_operands): Use VEC routines.
4716 (FINALIZE_OPBUILD_BASE, FINALIZE_OPBUILD_ELEM): Use VEC_Index.
4717 (FINALIZE_BASE): Use get_name_decl.
4718 (finalize_ssa_defs, finalize_ssa_uses, cleanup_v_may_defs,
4719 finalize_ssa_v_may_defs, finalize_ssa_vuses, finalize_ssa_v_must_defs,
4720 (start_ssa_stmt_operands, append_def, append_use, append_vuse,
4721 append_v_may_def, append_v_must_def): Replace opbuild_* routines with
4722 direct VEC_* manipulations.
4723 (build_ssa_operands): Call operand_build_sort_virtual.
4724 (copy_virtual_operand, create_ssa_artficial_load_stmt,
4725 add_call_clobber_ops, add_call_read_ops): Replace opbuild_* routines
4726 with direct VEC_* manipulations.
4727 * tree-ssa-opfinalize.h (FINALIZE_FUNC): Replace opbuild_* routines
4728 with direct VEC manipulations.
4730 2005-10-05 Paolo Bonzini <bonzini@gnu.org>
4732 PR tree-optimization/21419
4733 PR tree-optimization/24146
4734 PR tree-optimization/24151
4736 * c-typeck.c (readonly_error): Handle USE being lv_asm.
4737 (build_asm_expr): Call it if outputs are read-only.
4738 * gimplify.c (gimplify_asm_expr): Remove former fix to PR 21419.
4740 2005-10-05 Billy Biggs <billy.biggs@gmail.com>
4741 Paolo Bonzini <bonzini@gnu.org>
4743 PR target/23809
4745 * doc/extend.texi (x86 Built-ins): Document that -msse and friends
4746 enable the instructions and not just the built-ins.
4747 * doc/invoke.texi (x86 Options): Likewise.
4749 2005-10-04 Geoffrey Keating <geoffk@apple.com>
4751 * config/i386/t-darwin (SHLIB_VERPFX): Fix typo.
4753 * doc/invoke.texi (Option Summary): Correct spelling
4754 of -mmacosx-version-min.
4756 2005-10-04 Devang Patel <dpatel@apple.com>
4758 * c-common.c (vector_types_convertible_p): Check TYPE_PRECISION for
4759 real types.
4761 2005-10-04 Steve Ellcey <sje@cup.hp.com>
4763 * tree-vect-transform.c (vect_create_epilog_for_reduction):
4764 Use BYTES_BIG_ENDIAN instead of BITS_BIG_ENDIAN.
4766 2005-10-04 Adrian Straetling <straetling@de.ibm.com>
4768 * config/s390/s390.md ("TDSI","DP"): New mode macros.
4769 ("TE","tg"): New mode attributes.
4770 ("sync_compare_and_swap<mode>"): Replace with a define_expand.
4771 ("sync_compare_and_swap<mode>_cc"): Replace GPR with TDSI.
4772 ("*sync_compare_and_swap<mode>_cc"): Replace with one pattern for
4773 dword_mode and one for GPRmode.
4775 2005-10-04 Ian Lance Taylor <ian@airs.com>
4777 PR preprocessor/13726
4778 * c-ppoutput.c (cb_include): Add comments parameter, and print out
4779 any comments passed in.
4781 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
4783 * tree.c (annotate_with_file_line): Fix typo.
4785 2005-10-04 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4787 PR ada/19382
4788 * builtins.c (fold_builtin_memcmp): When constructing the pointer
4789 type used to access data in the inlined length == 1 case, use
4790 build_pointer_type_for_mode with CAN_ALIAS_ALL set to true.
4791 (fold_builtin_strcmp, fold_builtin_strncmp): Likewise.
4793 2005-10-04 Uros Bizjak <uros@kss-loka.si>
4795 * config/i386/i386.h (TARGET_FISTTP): Enable also for
4796 TARGET_SSE3 and only for TARGET_80387.
4797 * config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1,
4798 (fix_trunc<mode>_i387_fisttp, fix_trunc<mode>_i387_fisttp_with_temp):
4799 Do not depend on TARGET_80387.
4801 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
4803 * tree.c (last_annotated_node): Change type to location_t*.
4804 (annotate_with_file_line): Reflect the change of
4805 last_annotated_node type.
4807 2005-10-04 Richard Guenther <rguenther@suse.de>
4809 PR c/23576
4810 * c-decl.c (grokdeclarator): Don't write to fields
4811 of error_mark_node.
4813 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
4815 PR middle-end/23125
4816 * c-decl.c (finish_decl): Use set_user_assembler_name even for
4817 register variables.
4818 * varasm.c (make_decl_rtl): If a register variable does not
4819 have a set user assmbler name, error out.
4820 Decode the asmspec is now name+1 bypassing '*'.
4822 2005-10-04 Steven Bosscher <stevenb@suse.de>
4824 PR tree-optimization/23049
4825 * tree-ssa-dom.c (thread_across_edge): Make sure that the condition
4826 of a COND_EXPR is folded before calling fold on the whole rhs of a
4827 conditional assignment.
4828 * doc/tree-ssa.texi: Update the GIMPLE grammar for a valid rhs to
4829 document that a COND_EXPR may appear there.
4831 2005-10-03 Diego Novillo <dnovillo@redhat.com>
4833 PR 23445
4834 * tree-vrp.c (extract_range_from_assert): If the new numeric
4835 range created out of the assertion contradicts the existing
4836 numeric range of the ASSERT_EXPR variable, make the new range
4837 varying.
4839 2005-10-03 Kaz Kojima <kkojima@gcc.gnu.org>
4841 * config/sh/sh.c (sh_register_move_cost): Add case for moving
4842 from T_REGS to FP register class.
4844 2005-10-03 Richard Henderson <rth@redhat.com>
4846 PR 24135
4847 * tree-nested.c (convert_nl_goto_reference): Lookup a translation
4848 before creating a new one.
4850 2005-10-03 David Edelsohn <edelsohn@gnu.org>
4852 * config/rs6000/t-aix43 (LDFLAGS): New.
4853 * config/rs6000/t-aix52 (LDFLAGS): New.
4855 2005-10-03 Ian Lance Taylor <ian@airs.com>
4857 * gimplify.c (find_single_pointer_decl_1): New static function.
4858 (find_single_pointer_decl): New static function.
4859 (internal_get_tmp_var): For a formal variable, set restrict base
4860 information if appropriate.
4861 * alias.c (find_base_decl): If a VAR_DECL has a restrict base,
4862 return it.
4863 * tree.h (DECL_BASED_ON_RESTRICT_P): Define.
4864 (DECL_GET_RESTRICT_BASE): Define.
4865 (SET_DECL_RESTRICT_BASE): Define.
4866 (decl_restrict_base_lookup): Declare.
4867 (decl_restrict_base_insert): Declare.
4868 (struct tree_decl_with_vis): Add based_on_restrict_p field.
4869 * tree.c (restrict_base_for_decl): New static variable.
4870 (init_ttree): Initialize restrict_base_for_decl.
4871 (copy_node_stat): Copy restrict base information.
4872 (decl_restrict_base_lookup): New function.
4873 (decl_restrict_base_insert): New function.
4874 (print_restrict_base_statistics): New static function.
4875 (dump_tree_statistics): Call print_restrict_base_statistics.
4877 2005-10-02 Diego Novillo <dnovillo@redhat.com>
4879 PR 24142
4880 * tree-vrp.c (vrp_meet): Fix call to range_includes_zero_p in
4881 case of anti-ranges.
4883 2005-10-02 Andrew Pinski <pinskia@physics.uc.edu>
4885 PR c/18851
4886 * c-typeck.c (tagged_tu_seen): Rename to ...
4887 (tagged_tu_seen_cache): this and add val field.
4888 (comptypes): Move functional to comptypes_internal
4889 and free tagged_tu_seen.
4890 (comptypes_internal): New function and call comptypes_internal
4891 instead of comptypes. Speed up by sibcalling
4892 tagged_types_tu_compatible_p.
4893 (alloc_tagged_tu_seen): New function
4894 (free_all_tagged_tu_seen_up_to): New function.
4895 (tagged_types_tu_compatible_p): Return the val of the seen two
4896 types.
4897 Add that the two types are the same to tagged_tu_seen_base
4898 if they are and call comptypes_internal instead of comptypes.
4899 <case UNION_TYPE>: Speed up common type where the fields are
4900 in the same order.
4901 (function_types_compatible_p): Call comptypes_internal instead of
4902 comptypes.
4903 (type_lists_compatible_p): Likewise.
4904 (all functions): s/tagged_tu_seen/tagged_tu_seen_cache/.
4906 2005-10-02 Matthias Klose <doko@debian.org>
4908 * doc/invoke.texi: Fix typo and speling error.
4910 2005-10-01 Richard Henderson <rth@redhat.com>
4912 * tree-stdarg.c (execute_optimize_stdarg): Process PHI nodes too.
4914 2005-10-01 Mark Mitchell <mark@codesourcery.com>
4916 * config/arm/unknown-elf.h (LINK_GCC_C_SEQUENCE_SPEC): Define
4917 using --start-group and --end-group.
4919 2005-10-01 Diego Novillo <dnovillo@redhat.com>
4921 * tree-vrp.c (value_inside_range, range_includes_zero_p): Add
4922 FIXME note regarding quirky semantics.
4924 2005-10-01 Diego Novillo <dnovillo@redhat.com>
4926 PR 24141
4927 * tree-vrp.c (vrp_meet): Clear VR0->EQUIV when building a
4928 non-null range as a last resort.
4930 2005-10-01 James A. Morrison <phython@gcc.gnu.org>
4931 Diego Novillo <dnovillo@redhat.com>
4933 PR 23604
4934 * tree-vrp.c (extract_range_from_assert): For !=
4935 assertions, only build an anti-range if LIMIT is a
4936 single-valued range.
4938 2005-09-30 Richard Earnshaw <richard.earnshaw@arm.com>
4940 * arm.md (movqi): On thumb when optimizing, handle loading from
4941 memory by describing this as taking a subreg of a zero-extended load
4942 into an SImode register.
4943 (movhi): Likewise.
4945 2005-09-30 Daniel Jacobowitz <dan@codesourcery.com>
4947 * reload1.c (merge_assigned_reloads): Do not change any
4948 RELOAD_FOR_OUTPUT_ADDRESS reloads.
4950 2005-09-30 Geoffrey Keating <geoffk@apple.com>
4952 * Makefile.in (LIPO_FOR_TARGET): Define.
4953 (STRIP_FOR_TARGET): Define.
4955 * config/t-slibgcc-darwin (libgcc_s_%.dylib): Remove old symlinks
4956 before creating new ones. Do symlinks before creating the actual
4957 targets.
4959 * config/t-slibgcc-darwin (libgcc_s_%.dylib): Use --print-multi-lib
4960 to work out which multilibs are actually being built.
4962 2005-09-30 Kazu Hirata <kazu@codesourcery.com>
4964 * tree-vect-transform.c, config/ms1/ms1.md,
4965 config/s390/s390.c, config/v850/v850.md: Fix comment typos.
4966 Follow spelling conventions.
4967 * doc/invoke.texi, doc/md.texi: Fix typos.
4969 2005-09-30 Andrew Macleod <amacleod@redat.com>
4971 PR tree-optimization/21430
4972 * tree-ssa-operands.c (set_virtual_use_link): New. Link new virtual
4973 use operands, and set stmt pointer if need be.
4974 (FINALIZE_CORRECT_USE: New. Macro to call appropriate use fixup routine.
4975 tree-ssa-opfinalize.h (FINALIZE_FUNC): Call FINALIZE_CORRECT_USE if
4976 present.
4978 2005-09-29 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4980 PR middle-end/24053
4981 * stor-layout.c (set_sizetype): Set TYPE_MAIN_VARIANT of bitsizetype.
4983 2005-09-29 Mark Mitchell <mark@codesourcery.com>
4985 * optabs.c (expand_binop): Initialize first_pass_p.
4987 2005-09-29 Jakub Jelinek <jakub@redhat.com>
4989 PR middle-end/24109
4990 * c-decl.c (c_write_global_declarations_1): If any
4991 wrapup_global_declaration_2 call returned true, restart the loop.
4993 2005-09-29 Daniel Berlin <dberlin@dberlin.org>
4995 Fix PR tree-optimization/24117
4996 * tree-ssa-structalias.c (find_func_aliases): Strip nops
4997 before considering whether to use anyoffset.
4999 2005-09-29 Paolo Bonzini <bonzini@gnu.org>
5001 Revert this patch:
5003 2005-09-15 Paolo Bonzini <bonzini@gnu.org>
5005 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
5006 to order operands.
5007 (swap_commutative_operands_with_target): New.
5009 2005-09-29 Paolo Bonzini <bonzini@gnu.org>
5011 PR c/21419
5012 * gimplify.c (gimplify_asm_expr): Raise an error if an output is
5013 read-only.
5015 2005-09-29 Steven Bosscher <stevenb@suse.de>
5017 PR tree-optimization/23911
5018 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle REALPART_EXPR
5019 and IMAGPART_EXPR too.
5021 2005-09-28 Mark Mitchell <mark@codesourcery.com>
5023 PR 17886
5024 * expmed.c (expand_shift): Move logic to reverse rotation
5025 direction when rotating by constants ...
5026 * optabs.c (expand_binop): ... here.
5027 * config/i386/i386.md (rotrdi3): Handle 32-bit mode.
5028 (ix86_rotrdi3): New pattern.
5029 (rotldi3): Handle 32-bit mode.
5030 (ix86_rotldi3): New pattern.
5032 2005-09-29 Alan Modra <amodra@bigpond.net.au>
5034 PR target/24102
5035 * config/rs6000/rs6000.md (floatdisf2_internal2): Correct range
5036 check for numbers that need no bit twiddle.
5038 2005-09-28 Geoffrey Keating <geoffk@apple.com>
5040 * config/rs6000/t-darwin8: Uncomment contents, allow -m64
5041 multilib to be built.
5043 * Makefile.in: Export LIPO_FOR_TARGET, STRIP_FOR_TARGET.
5044 (stage1-start): Delete old libgcc and libunwind before moving
5045 anything into the stage directory.
5046 (stage2-start): Likewise.
5047 (stage3-start): Likewise.
5048 (stage4-start): Likewise.
5049 (stageprofile-start): Likewise.
5050 (stagefeedback-start): Likewise.
5051 * config.gcc (*-*-darwin*): Automatically use CPU-specific darwin.h
5052 header in tm_file and CPU-specific t-darwin in tmake_file.
5053 (i[34567]86-*-darwin*): Don't change tm_file.
5054 (powerpc-*-darwin*): Don't change tm_file or tmake_file.
5055 * config/darwin.h (REAL_LIBGCC_SPEC): Rewrite to use proper libgcc
5056 shared library stub for target OS version.
5057 * config/t-slibgcc-darwin (SHLIB_SOLINK): Delete.
5058 (SHLIB_LINK): Don't make SHLIB_SOLINK.
5059 (SHLIB_INSTALL): Don't install SHLIB_SOLINK.
5060 (libgcc_s.%.dylib): New.
5061 (LIBGCC): Define.
5062 (install-darwin-libgcc-stubs): New.
5063 (INSTALL_LIBGCC): New append.
5064 * config/i386/darwin-libgcc.10.4.ver: New.
5065 * config/i386/darwin-libgcc.10.5.ver: New.
5066 * config/i386/t-darwin: New.
5067 * config/rs6000/darwin-libgcc.10.4.ver: New.
5068 * config/rs6000/darwin-libgcc.10.5.ver: New.
5069 * config/rs6000/darwin.h (REAL_LIBGCC_SPEC): Delete.
5070 * config/rs6000/t-darwin (SHLIB_VERPFX): Define.
5072 2005-09-28 Paul Brook <paul@codesourcery.com>
5074 * config/m68k/fpgnulib.c (__extendsfdf2, __truncdfsf2): Handle
5075 denormals.
5077 2005-09-28 Richard Guenther <rguenther@suse.de>
5079 PR tree-optimization/23853
5080 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use
5081 host_integerp to verify misalignment value.
5083 2005-09-28 Richard Henderson <rth@redhat.com>
5085 * builtins.c (get_builtin_sync_mode): New.
5086 (expand_builtin_sync_operation): Pass in mode argument.
5087 (expand_builtin_compare_and_swap): Likewise.
5088 (expand_builtin_lock_test_and_set): Likewise.
5089 (expand_builtin_lock_release): Likewise.
5090 (expand_builtin): Update to match.
5092 2005-09-28 Nick Clifton <nickc@redhat.com>
5094 * config/v850/v850.h (GO_IF_LEGITIMATE_ADDRESS): Tidy up
5095 formatting. Add check to PLUS case to ensure that the offset is
5096 within an acceptable range.
5098 * config/v850/v850.md (casesi): Disable the generation of the
5099 switch pattern as it is not being handled properly at the moment.
5101 * config/v850/lib1funcs.asm (___ucmpdi2): Correct jump instruction
5102 for when the high words are identical.
5104 2005-09-27 Richard Henderson <rth@redhat.com>
5106 * pretty-print.c (pp_base_format): Fix typo for %>.
5108 2005-09-27 Daniel Berlin <dberlin@dberlin.org>
5109 Devang Patel <dpatel@apple.com>
5111 PR tree-optimization/23625
5112 * tree-flow-inline.h (bsi_after_labels): Remove, first statement is
5113 LABEL_EXPR, assertion check.
5115 2005-09-27 J"orn Rennecke <joern.rennecke@st.com>
5117 * optabs.c (no_conflict_move_test): Check if a result of a
5118 to-be-moved insn would be clobbered by an originally
5119 preceding insn.
5121 2005-09-27 Jeff Law <law@redhat.com>
5123 * passes.c (init_optimization_passes): Replace copy propagation
5124 passes immediately after DOM with phi-only copy propagation
5125 pases. Add phi-only copy propagation pass after first DOM pass.
5126 * tree-pass.h (pass_phi_only_copy_prop): Declare.
5127 * tree-ssa-copy.c (init_copy_prop): Accept new PHI_ONLY argument.
5128 If true, then mark all non-control statements with DONT_SIMULATE_AGAIN.
5129 (execute_copy_prop): Accept new PHI_ONLY argument. Pass it along
5130 to init_copy_prop. Callers updated.
5131 (do_phi_only_copy_prop): New function.
5132 (pass_phi_only_copy_prop): New pass descriptor.
5134 2005-09-27 Nick Clifton <nickc@redhat.com>
5136 * libgcc2.c (__popcount_tab): Remove redundant prototype.
5138 2005-09-26 Jason Merrill <jason@redhat.com>
5140 PR c++/13764
5141 * c-common.c (finish_fname_decls): Use append_to_statement_list_force.
5143 * doc/invoke.texi: Clarify documentation of -fno-enforce-eh-specs.
5145 2005-09-26 James E Wilson <wilson@specifix.com>
5147 * config/ia64/crtbegin.asm, config/ia64/crtend.asm: Remove glibc
5148 copyright. Add gcc copyright plus libgcc exception.
5149 * config/ia64/crtfastmath.asm: Remove glibc copyright. Add gcc
5150 copyright.
5151 * config/ia64/lib1funcs.asm: Add gcc copyright plus libgcc exception.
5153 2005-09-26 Jeff Law <law@redhat.com>
5155 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Be more selective
5156 about when to iterate.
5158 2005-09-23 Fariborz Jahanian <fjahanian@apple.com>
5160 PR target/23847
5161 * config/rs6000/rs6000.c (rs6000_function_value): Parallel pattern
5162 for __complex__ double in -mcpu=G5 mode.
5164 2005-09-26 Sebastian Pop <pop@cri.ensmp.fr>
5166 PR tree-optimization/23942
5167 * Makefile.in (SCEV_H): Depends on PARAMS_H.
5168 * tree-scalar-evolution.c: Include params.h.
5169 (t_bool): New enum.
5170 (follow_ssa_edge, follow_ssa_edge_in_rhs,
5171 follow_ssa_edge_in_condition_phi_branch,
5172 follow_ssa_edge_in_condition_phi, follow_ssa_edge_inner_loop_phi):
5173 Change return type to t_bool. Use a parameter to limit the size of
5174 trees that are walked before stopping
5175 (analyze_evolution_in_loop): Initialize the limit to 0.
5176 (follow_ssa_edge): Give up by returning t_dont_know if the limit
5177 exceeds PARAM_SCEV_MAX_EXPR_SIZE.
5179 2005-09-26 Uros Bizjak <uros@kss-loka.si>
5181 PR middle-end/23831
5182 * simplify-rtx.c (simplify_immed_subreg) [MODE_INT]: Skip
5183 simplification if elem_bitsize > 2 * HOST_BITS_PER_WIDE_INT.
5185 2005-09-26 Fariborz Jahanian <fjahanian@apple.com>
5187 * combine.c (make_extraction): Check for valid use of subreg.
5189 2005-09-26 Uros Bizjak <uros@kss-loka.si>
5191 PR target/24055
5192 * config/i386/i386.md ("*fistdi2_1"): New pattern.
5193 ("*fist<mode>2_1"): Use only HImode and SImode register operands.
5194 ("fist<mode>2_with_temp"): Use only register operands.
5196 2005-09-26 J"orn Rennecke <joern.rennecke@st.com>
5198 * rtlanal.c (reg_used_between_p): Don't check for CLOBBERs in
5199 CALL_INSN_FUNCTION_USAGE.
5201 2005-09-26 Richard Guenther <rguenther@suse.de>
5203 PR middle-end/15855
5204 * gcse.c: Include hashtab.h, define ldst entry hashtable.
5205 (pre_ldst_expr_hash, pre_ldst_expr_eq): New functions.
5206 (ldst_entry): Use the hashtable instead of list-walking.
5207 (find_rtx_in_ldst): Likewise.
5208 (free_ldst_entry): Free the hashtable.
5209 (compute_ld_motion_mems): Create the hashtable.
5210 (trim_ld_motion_mems): Remove entry from hashtable if
5211 removing it from list.
5212 (compute_store_table): Likewise^2.
5213 (store_motion): Free hashtable in case we did not see
5214 any stores.
5216 2005-09-25 Kazu Hirata <kazu@codesourcery.com>
5218 * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
5219 and arg1 if we are passing them to fold_build2.
5221 2005-09-25 Dan Nicolaescu <dann@ics.uci.edu>
5223 PR 23828
5224 * config/i386/i386.c (ix86_function_regparm): Fix the test for
5225 a nested function.
5227 2005-09-25 Richard Henderson <rth@redhat.com>
5229 * config/alpha/alpha.c (tls_symbolic_operand_1): Trust
5230 SYMBOL_REF_TLS_MODEL to be correct.
5232 2005-09-24 Richard Henderson <rth@redhat.com>
5234 * ipa-type-escape.c (discover_unique_type): Remove dead code at
5235 end of function. Reindent.
5237 2005-09-24 Ian Lance Taylor <ian@airs.com>
5239 * convert.c (convert_to_integer): Don't test for ENUMERAL_TYPE in
5240 NEGATE_EXPR/BIT_NOT_EXPR case.
5242 2005-09-24 Richard Henderson <rth@redhat.com>
5244 * c-common.c (handle_mode_attribute): When not modifying in place,
5245 create subtypes for enumerations.
5246 (sync_resolve_return): Use TYPE_MAIN_VARIANT.
5247 * gimplify.c (create_tmp_from_val): Likewise.
5249 2005-09-24 Alexandre Oliva <aoliva@redhat.com>
5251 * config/i386/i386.md (*tls_global_dynamic_64,
5252 *tls_local_dynamic_base_64): Add missing mode to call.
5253 (tls_global_dynamic_64, tls_local_dynamic_base_64): Likewise.
5255 2005-09-24 Jan Hubicka <jh@suse.cz>
5257 * cgraph.c (cgraph_clone_edge): Make the scale gcov_type.
5258 (cgraph_clone_node): Likewise.
5259 * cgraph.h (cgraph_clone_edge): Update prototype.
5260 (cgraph_mark_inline_edge, cgraph_clone_inlined_nodes): Remove
5261 duplicated prototypes; add updating argument.
5262 * cgraphunit.c (verify_cgraph_node): Verify that counts are non-negative.
5263 * ipa-inline.c (cgraph_clone_inlined_nodes): Allow clonning without
5264 updating profile.
5265 (cgraph_mark_inline_edge): Likewise.
5266 (cgraph_mark_inline): Update use of cgraph_mark_inline_edge.
5267 (cgraph_flatten_node): Likewise.
5268 (cgraph_decide_recursive_inlining): Likewise.
5269 (cgraph_decide_inlining_of_small_function): Likewise.
5270 * tree-optimize.c (tree_rest_of_compilation): Likewise.
5272 2005-09-23 David Edelsohn <edelsohn@gnu.org>
5273 Pete Steinmetz <steinmtz@us.ibm.com>
5275 * config/rs6000/rs6000.md (neg-minus-mult): Set type to dmul.
5276 (rldic.): Set type to "compare".
5277 (rldicr.): Same.
5278 (movsf_hardfloat): Set type to mtjmpr for MTCTR/MTLR. Set type to
5279 mfjmpr for MFCTR/MFLR.
5280 (movdf_hardfloat64): Same.
5281 (movdf_softfloat64): Same. Correct order of store and move types.
5282 (movti_string): Set type to store_ux/load_ux.
5283 (load_multiple): Set type to load_ux.
5284 (store_multiple): Set type to store_ux.
5285 (movmemsi): Set type to store_ux.
5286 (output_cbranch direct_return): Set type to jmpreg.
5287 (stmw): Set type to store_ux.
5288 (lmw): Set type to load_ux.
5289 * config/rs6000/40x.md (ppc403-store): Increase latency to 2.
5290 * config/rs6000/440.md (ppc440-store): Increase latency to 6.
5291 * config/rs6000/603.md (ppc603-store): Occupy LSU for 2 cycles.
5292 * config/rs6000/6xx.md (ppc604-store): Increase latency to 3.
5293 * config/rs6000/mpc.md (mpccore-store): Increase latency to 2.
5294 * config/rs6000/rios1.md (rios1-store): Increase latency to 2.
5295 (rios1-fpstore): Increase latency to 3.
5296 * config/rs6000/rios2.md (rios2-store): Increase latency to 2.
5297 * config/rs6000/rs64.md (rs64a-store): Increase latency to 2.
5299 2005-09-23 David Edelsohn <edelsohn@gnu.org>
5300 Andrew Pinski <pinskia@physics.uc.edu>
5302 * config/rs6000/sync.md (sync_<fetchop_name>si_internal): Change
5303 operand2 constraint to "b".
5304 (sync_<fetchop_name>di_internal): Same.
5305 (sync_old_<fetchop_name>si_internal): Change operand3 constraint
5306 to "b".
5307 (sync_old_<fetchop_name>di_internal): Same.
5308 (sync_new_<fetchop_name>si_internal): Same.
5309 (sync_new_<fetchop_name>di_internal): Same.
5311 2005-09-23 J"orn Rennecke <joern.rennecke@st.com>
5313 PR middle-end/23991
5314 * final.c (insn_default_length, insn_min_length): In !HAVE_ATTR_length
5315 case, define as macros.
5317 PR rtl-optimization/23837
5318 * optabs.c (no_conflict_move_test): Don't set must_stay for a
5319 clobber / clobber match between dest and p->first.
5321 * optabs.c (emit_libcall_block): Use no_conflict_move_test.
5322 (no_conflict_move_test): Update comments.
5324 2005-09-22 Ranjit Mathew <rmathew@gcc.gnu.org>
5326 * doc/install.texi: Update URL for Jacks.
5327 * doc/sourcebuild.texi: Likewise.
5329 2005-09-22 David Edelsohn <edelsohn@gnu.org>
5331 PR target/24007
5332 * config/rs6000/rs6000.md (movsf_hardfloat): Ignore special
5333 registers when choosing register preferences.
5334 (movdf_hardfloat64): Same.
5336 2005-09-22 Andreas Krebbel <krebbel1@de.ibm.com>
5338 * expmed.c (expand_shift): Don't use the target of the rotate as
5339 target for the first expanded shift insn.
5340 * testsuite/gcc.dg/20050922-1.c: Testcase added.
5342 2005-09-21 Zdenek Dvorak <dvorakz@suse.cz>
5344 PR tree-optimization/22438
5345 * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Handle all
5346 preserved iv rhs rewriting specially.
5348 2005-09-21 Daniel Berlin <dberlin@dberlin.org>
5350 * tree-data-ref.c (analyze_array_indexes): Only estimate when
5351 estimate_only is true.
5352 * tree-flow.h (ref_contains_indirect_ref): New prototype.
5353 * tree-flow-inline.h (ref_contains_indirect_ref): Moved from
5354 tree-ssa-structalias.c
5355 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Use
5356 ref_contains_indirect_ref.
5357 * tree-ssa-structalias.c (ref_contains_indirect_ref): Moved.
5359 2005-09-21 DJ Delorie <dj@redhat.com>
5361 * config/mn10300/mn10300.c (TARGET_DEFAULT_TARGET_FLAGS): Add
5362 MASK_PTR_A0D0.
5363 (mn10300_return_in_memory): Support variable size types also.
5364 (mn10300_pass_by_reference): Likewise.
5365 (mn10300_function_value): New.
5366 * config/mn10300/mn10300.h (FUNCTION_VALUE): Call the above.
5367 (FUNCTION_OUTGOING_VALUE): Likewise.
5368 * config/mn10300/mn10300.opt: Add -mreturn-pointer-on-d0.
5369 * doc/invoke.texi: Document it.
5371 2005-09-21 Uros Bizjak <uros@kss-loka.si>
5373 PR target/22585
5374 * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
5375 force integer op1 into register for XFmode compares.
5377 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
5379 PR middle-end/23971
5380 * expmed.c (alg_code): Add alg_impossible.
5381 (alg_hash_entry): Add cost.
5382 (synth_mult): Record alg_impossible in the hash table if
5383 multiplication by a given integer is impossble within the
5384 limit. Speed up using alg_impossible.
5386 2005-09-20 Daniel Berlin <dberlin@dberlin.org>
5388 * tree-ssa-structalias.c (get_constraint_for_component_ref): Add
5389 argument. Allow and set any offset if needs_anyoffset is passed
5390 in.
5391 (get_constraint_for): Add argument here too.
5392 Pass it down.
5393 (do_structure_copy): Pass NULL to get_constraint_for.
5394 (handle_ptr_arith): Ditto.
5395 (find_func_aliases): Ditto.
5397 2005-09-20 J"orn Rennecke <joern.rennecke@st.com>
5399 PR rtl-optimization/23898
5400 * output.h (get_attr_min_length): Declare.
5401 * final.c (get_attr_length_1): New function, broken out of:
5402 (get_attr_length).
5403 (get_attr_min_length): New function.
5404 * bb-reorder.c (copy_bb_p, get_uncond_jump_length): Use it.
5405 (duplicate_computed_gotos): Likewise.
5406 * genattr.c (insn_min_length): Generate declaration.
5407 * genattrtab.c (min_fn, min_attr_value): New functions.
5408 (make_length_attrs): Generate insn_min_length.
5410 2005-09-20 Steve Ellcey <sje@cup.hp.com>
5412 * config/pa/pa.c (output_cbranch): Check for zero in operands[2].
5414 2005-09-20 Richard Henderson <rth@redhat.com>
5416 PR tree-optimization/24059
5417 * expr.c (expand_expr_real_1) <INDIRECT_REF>: Allow modifier
5418 EXPAND_STACK_PARM.
5420 2005-09-20 Joseph S. Myers <joseph@codesourcery.com>
5422 * c.opt (fextended-identifiers): New.
5423 * c-opts.c (c_common_handle_option): Handle
5424 -fextended-identifiers.
5425 * doc/cpp.texi: Update documentation of extended identifiers.
5426 * doc/cppopts.texi (-fextended-identifiers): Document.
5428 2005-09-20 Jakub Jelinek <jakub@redhat.com>
5430 PR tree-optimization/23929
5431 * tree-ssa-loop-niter.c (expand_simple_operations): Return immediately
5432 if expr is NULL.
5434 PR tree-optimization/23818
5435 * tree-stdarg.c (execute_optimize_stdarg): Call
5436 calculate_dominance_info.
5438 2005-09-20 Daniel Berlin <dberlin@dberlin.org>
5440 * tree-data-ref.c (get_number_of_iters_for_loop): New function.
5441 (analyze_siv_subscript_cst_affine): Add weak SIV test.
5442 (compute_overlap_steps_for_affine_1_2): Use
5443 get_number_of_iters_for_loop.
5444 (analyze_subscript_affine_affine): Check whether difference is
5445 zero first.
5446 Use get_number_of_iters_for_loop.
5447 Check whether overlap occurs outside of bounds.
5448 (analyze_miv_subscript): Use get_number_of_iters_for_loop.
5450 2005-09-20 Andreas Krebbel <krebbel1@de.ibm.com>
5452 * tree-ssa-address.c (create_mem_ref): Put the symbol reference into the
5453 base register if possible.
5455 2005-09-20 Zdenek Dvorak <dvorakz@suse.cz>
5457 PR tree-optimization/18463
5458 * tree-chrec.c (chrec_convert): Return fold_converted chrec if
5459 converting it directly is not possible.
5460 (chrec_convert_aggressive): New function.
5461 * tree-chrec.h (chrec_convert_aggressive): Declare.
5462 * tree-scalar-evolution.c (instantiate_parameters_1, resolve_mixers):
5463 Fold chrec conversions aggressively if asked to.
5464 (instantiate_parameters): Modified because of changes in
5465 instantiate_parameters_1.
5467 2005-09-19 Richard Henderson <rth@redhat.com>
5469 * config/i386/sse.md (reduc_splus_v4sf): Rename from reduc_plus_v4sf.
5470 (reduc_splus_v2df): New.
5472 2005-09-19 Richard Sandiford <richard@codesourcery.com>
5474 * config/arm/aof.h (REGISTER_NAMES): Add missing backslash.
5475 (ADDITIONAL_REGISTER_NAMES): Add missing comma. Remove final comma.
5477 2005-09-19 Richard Henderson <rth@redhat.com>
5479 * config/i386/sse.md (vcondu<SSEMODE124>): Rename from
5480 vcondu<SSEMODE12>.
5482 2005-09-19 Richard Henderson <rth@redhat.com>
5484 * config/ia64/ia64.c (ia64_expand_widen_sum): New.
5485 (ia64_expand_dot_prod_v8qi): New.
5486 * config/ia64/ia64-protos.h: Update.
5487 * config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3,
5488 widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi,
5489 sdot_prodv8qi, sdot_prodv4hi): New.
5490 (reduc_splus_v2sf): Rename from reduc_plus_v2sf.
5492 2005-09-19 Richard Henderson <rth@redhat.com>
5494 PR 23941
5495 * real.c (exact_real_truncate): Return false if the format cannot
5496 represent the number as a normal.
5498 * config/alpha/alpha.c (alpha_rtx_costs) <FLOAT_EXTEND>: Cost 0
5499 for a memory source.
5501 2005-09-19 Dorit Nuzman <dorit@il.ibm.com>
5503 * tree-ssa-operands.c (swap_tree_operands): Export.
5504 * tree.h (swap_tree_operands): Declare.
5505 * tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED.
5506 Call swap_tree_operands.
5508 2005-09-19 Richard Henderson <rth@redhat.com>
5510 * tree-flow.h (merge_alias_info): Declare.
5511 * tree-ssa-copy.c (merge_alias_info): Export.
5512 * tree-vect-transform.c (vect_create_index_for_vector_ref): Remove.
5513 (vect_create_data_ref_ptr): Use create_iv directly.
5514 (vectorizable_load): Use correct types for integer constants.
5515 (vect_generate_tmps_on_preheader): Likewise.
5516 (vect_gen_niters_for_prolog_loop): Likewise.
5518 2005-09-19 Steven Bosscher <stevenb@suse.de>
5520 PR rtl-optimization/23943
5521 * cse.c (find_best_addr): Never propagate an EXPR_LIST rtx.
5523 2005-09-18 Jan Hubicka <jh@suse.cz>
5525 * calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK.
5527 2005-09-18 Eric Botcazou <ebotcazou@adacore.com>
5529 * varasm.c (output_constant): Do not abort on conversions to union
5530 types between different sizes.
5532 2005-09-18 Richard Guenther <rguenther@suse.de>
5534 PR middle-end/23944
5535 * gimplify.c (fold_indirect_ref_rhs): Fix thinko in
5536 fallback.
5538 2005-09-18 Paul Brook <paul@codesourcery.com>
5540 * config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.
5542 2005-09-17 Richard Henderson <rth@redhat.com>
5544 * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
5545 * tree-ssa-loop.c (pass_vect_dce): Remove.
5546 * passes.c (init_optimization_passes): Add pass_dce as a sub-pass
5547 of pass_vectorize.
5549 2005-09-17 Richard Henderson <rth@redhat.com>
5551 * tree-pass.h (pass_vect_dce): Declare.
5552 * passes.c (init_optimization_passes): Add it.
5553 * tree-flow.h (tree_ssa_dce): Declare.
5554 * tree-ssa-dce.c (tree_ssa_dce): Export.
5555 * tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
5556 (gate_tree_vectorize): ... here.
5557 (pass_vect_dce): New.
5559 2005-09-17 Jan Hubicka <jh@suse.cz>
5561 * except.c (struct eh_status): Turn region_array into vec.
5562 (expand_resx_expr, collect_eh_region_array, remove_unreachable_regions,
5563 convert_from_eh_region_ranges, find_exception_handler_labels,
5564 current_function_has_exception_handlers, assign_filter_values,
5565 build_post_landing_pads, dw2_build_landing_pads,
5566 sjlj_find_directly_reachable_regions, sjlj_mark_call_sites,
5567 sjlj_emit_dispatch_table, remove_eh_handler, for_each_eh_region,
5568 foreach_reachable_handler, can_throw_internal_1,
5569 convert_to_eh_region_ranges, verify_eh_tree): Update uses of
5570 region_array.
5571 (duplicate_eh_region_1): Update region_array.
5572 (duplicate_eh_regions): Resize region_array and avoid recomputing.
5574 2005-09-17 David Edelsohn <edelsohn@gnu.org>
5576 PR middle-end/22067
5577 * expmed.c (expand_mult): Substitute simple register for op0 when
5578 computing max_cost.
5580 2005-09-17 Richard Henderson <rth@redhat.com>
5582 * expr.c (emit_move_via_integer): Add force argument, pass it on
5583 to emit_move_change_mode. Update callers.
5584 (emit_move_complex): Pass true to new force argument.
5585 * function.c (expand_function_end): Move expand_eh_return call
5586 earlier. Merge sub-word complex values into a pseudo before
5587 copying to the return hard register.
5589 2005-09-17 Eric Botcazou <ebotcazou@adacore.com>
5591 * varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs
5592 between different sizes.
5594 2005-09-16 Paolo Bonzini <bonzini@gnu.org>
5596 PR 23903
5598 * passes.c (init_optimization_passes): Register dump files for
5599 IPA passes first.
5601 2005-09-16 Andreas Krebbel <krebbel1@de.ibm.com>
5603 * config/s390/s390-protos.h (s390_overlap_p): Prototype added.
5604 * config/s390/s390.c (s390_overlap_p): New function.
5605 * config/s390/s390.md ("*mvc" peephole2, "*nc" peephole2, "*oc"
5606 peephole2, "*xc" peephole2): Added overlap check to the peephole2
5607 condition.
5609 2005-09-16 Richard Guenther <rguenther@suse.de>
5611 * ipa-pure-const.c (static_execute): Free auxiliar information.
5612 * ipa-type-escape.c (discover_unique_type): Free temporary key.
5613 * tree-vrp.c (remove_range_assertions): Free blocks_visited sbitmap.
5615 2005-09-15 DJ Delorie <dj@redhat.com>
5617 * config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo.
5619 2005-09-15 Paolo Bonzini <bonzini@gnu.org>
5621 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
5622 to order operands.
5623 (swap_commutative_operands_with_target): New.
5625 2005-09-15 Daniel Berlin <dberlin@dberlin.org>
5627 * tree-data-ref.c (analyze_array_indexes): Add estimate_only
5628 parameter.
5629 Update callers.
5630 (estimate_iters_using_array): New function.
5631 * tree-data-ref.h (estimate_iters_using_array): Prototype
5632 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
5633 Use estimate_iters_using_array instead of analyze_array.
5635 2005-09-15 Eric Botcazou <ebotcazou@adacore.com>
5637 * tree-nested.c (get_frame_type): Mark the "non-local frame structure"
5638 as addressable.
5640 2005-09-15 Michael Matz <matz@suse.de>
5642 * tree-vrp.c (vrp_int_const_binop <MINUS_EXPR>): Handle 0 - -INF.
5644 2005-09-14 Daniel Berlin <dberlin@dberlin.org>
5646 PR tree-optimization/23835
5647 * tree-ssa-alias.c (sort_pointers_by_pt_vars): New function.
5648 (create_name_tags): Rewrite to be not O(num_ssa_names^2).
5650 2005-09-14 Richard Henderson <rth@redhat.com>
5652 * config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand.
5653 (addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New.
5655 2005-09-14 Andrew Pinski <pinskia@physics.uc.edu>
5657 * config/i386/i386.c (contains_128bit_aligned_vector_p): Add break
5658 in the ARRAY_TYPE case.
5660 2005-09-14 Eric Botcazou <ebotcazou@adacore.com>
5662 * tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF.
5664 2005-09-14 Uros Bizjak <uros@kss-loka.si>
5666 PR middle-end/22480
5667 * tree-vect-transform.c (vectorizable_operation): Return false for
5668 scalar shift operations and for vector shift operations with
5669 non-invariant shift arguments. Use scalar tree operand op1 as
5670 a shift operand when vector shift insn pattern uses scalar shift
5671 operand.
5672 * Makefile.in (tree-vect-transform.o): Depend on recog.h.
5674 2005-09-14 Olivier Hainque <hainque@adacore.com>
5676 * gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
5677 value if it has side-effects.
5679 2005-09-14 David Edelsohn <edelsohn@gnu.org>
5681 PR target/22068
5682 * config/rs6000/rs6000.md (muldi3): Add mulli alternative.
5684 2005-09-14 Alan Modra <amodra@bigpond.net.au>
5686 * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name
5687 passed as NAME as if it were label at start of function code.
5689 2005-09-13 Kaz Kojima <kkojima@gcc.gnu.org>
5691 * config/sh/sh.md (*movv4sf_i): Add general register cases to
5692 the constraints.
5694 2005-09-13 Andrew Pinski <pinskia@physics.uc.edu>
5696 * config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
5697 as early clobber. Rewrite so the PIC register is not implicitly used.
5699 2005-09-13 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5701 * tree.c (annotate_with_file_line): Compare line numbers before
5702 file names.
5704 2005-09-13 Uros Bizjak <uros@kss-loka.si>
5706 PR target/23816
5707 * config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
5708 (*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.
5710 2005-09-13 Ian Lance Taylor <ian@airs.com>
5712 * loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
5713 than a HOST_WIDEST_INT to gen_doloop_begin.
5715 2005-09-13 Diego Novillo <dnovillo@redhat.com>
5717 * tree-dfa.c (dump_variable): Guard against NULL annotations.
5719 2005-09-13 Zdenek Dvorak <dvorakz@suse.cz>
5721 PR tree-optimize/23817
5722 * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.
5724 2005-09-13 Alan Modra <amodra@bigpond.net.au>
5726 PR target/23774
5727 * config/rs6000/rs6000.md (restore_stack_block): Write the backchain
5728 word before changing the stack pointer. Use gen_frame_mem for MEMs.
5729 Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
5730 (restore_stack_nonlocal): Likewise.
5731 (save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.
5733 2005-09-12 Ian Lance Taylor <ian@airs.com>
5735 PR g++/7874
5736 * c.opt (ffriend-injection): New C++ option.
5737 * doc/invoke.texi (Option Summary): Mention -ffriend-injection.
5738 (C++ Dialect Options): Document -ffriend-injection.
5740 2005-09-12 Josh Conner <jconner@apple.com>
5742 PR middle-end/23237
5743 * ipa-reference.c (static_execute): Don't mark variables in
5744 named sections TREE_READONLY.
5746 2005-09-12 Alan Modra <amodra@bigpond.net.au>
5748 * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
5749 stack_tie.
5751 2005-09-12 Andrew Pinski <pinskia@physics.uc.edu>
5753 * tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and
5754 V_MUST_DEF instead of just the first_use_p.
5755 Don't mark the virtual variables for renaming on the statement which
5756 is being removed.
5757 (pass_dse): Remove TODO_update_ssa.
5759 2005-09-12 J"orn Rennecke <joern.rennecke@st.com>
5761 PR middle-end/23290
5762 * stor-layout.c (compute_record_mode): For records with a single
5763 field, actually check the field's mode size against the type size.
5765 * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
5766 registers for TARGET_SHMEDIA.
5767 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
5768 GENERAL_FP_REGS to GENERAL_DF_REGS. Add GENERAL_FP_REGS as union
5769 of GENERAL_REGS and FP_REGS.
5771 2005-09-12 Bernd Schmidt <bernd.schmidt@analog.com>
5773 * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.
5775 2005-09-12 Alan Modra <amodra@bigpond.net.au>
5777 * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
5778 CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
5779 are omitted. Exclude stack_tie insn too.
5781 2005-09-11 David Edelsohn <edelsohn@gnu.org>
5783 PR rtl-optimization/23098
5784 * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
5785 0.0f is easy.
5786 * config/rs6000/rs6000.md (movdf splitter): Use
5787 const_double_operand predicate for TARGET_POWERPC64.
5788 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
5789 SYMBOL_REF method to ABI_V4.
5791 * config/rs6000/altivec.md (build_vector_mask_for_load): Use
5792 replace_equiv_address.
5793 * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
5794 rs6000_sr_alias_set and MEM_NOTRAP.
5795 (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().
5797 2005-09-11 Eric Botcazou <ebotcazou@adacore.com>
5799 * tree.c (contains_placeholder_p) <tcc_expression>: Properly
5800 handle CALL_EXPR again.
5802 2005-09-11 Richard Earnshaw <richard.earnshaw@arm.com>
5804 * arm/predicates.md (alignable_memory_operand): Delete.
5806 2005-09-10 Richard Henderson <rth@redhat.com>
5808 PR debug/23806
5809 * dbxout.c (dbxout_expand_expr): New.
5810 (dbxout_symbol): Use it.
5812 2005-09-10 Richard Earnshaw <richard.earnshaw@arm.com>
5814 * arm.c (arm_gen_rotated_half_load): Delete.
5815 (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
5816 (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
5817 (thumb_set_return_address): Likewise.
5818 (thumb_load_double_from_address): Use adjust_address.
5819 * arm.md (splits calling arm_gen_rotated_half_load): Delete.
5820 (extendhsisi2_mem, movhi_bytes): Use change_address.
5821 (movhi): Use widen_memory_access.
5822 (reload_out_df): Use replace_equiv_address.
5823 * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.
5825 2005-09-09 Richard Henderson <rth@redhat.com>
5827 PR debug/20998
5828 * dbxout.c: Include expr.h.
5829 (dbxout_global_decl): Don't suppress for DECL_RTL unset.
5830 (dbxout_symbol): Handle DECL_VALUE_EXPR.
5831 * Makefile.in (dbxout.o): Add EXPR_H.
5833 2005-09-09 Zdenek Dvorak <dvorakz@suse.cz>
5835 PR tree-optimization/23509
5836 * tree-cfg.c (replace_uses_by): Use replace_exp.
5837 * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
5838 pointers have name_mem_tag or type_mem_tag set.
5840 2005-09-09 Sebastian Pop <pop@cri.ensmp.fr>
5842 * tree-chrec.c (evolution_function_is_invariant_rec_p): Use
5843 CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
5844 of wrongly accessing operands.
5846 2005-09-09 Sebastian Pop <pop@cri.ensmp.fr>
5848 * Makefile.in (tree-chrec.o): Depends on SCEV_H.
5849 * tree-chrec.c: Include tree-scalar-evolution.h.
5850 (chrec_convert): Instantiate the base and step before calling
5851 scev_probably_wraps_p that would fail on parametric evolutions.
5852 Collect all the fails into a single section failed_to_convert,
5853 print a diagnostic, and return chrec_dont_know instead of calling
5854 fold_convert.
5855 * tree-scalar-evolution.c (loop_closed_phi_def): New.
5856 (instantiate_parameters_1): Avoid instantiation of loop closed ssa
5857 phi nodes.
5858 (scev_const_prop): Don't replace the definition of a loop closed ssa
5859 phi node by itself, or by another loop closed ssa phi node.
5860 * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
5861 that base and step are defined.
5863 2005-09-09 Richard Guenther <rguenther@suse.de>
5865 PR c++/23624
5866 * fold-const.c (fold_ternary): Check truth_value_p before
5867 calling invert_truthvalue.
5869 2005-09-09 Nick Clifton <nickc@redhat.com>
5871 * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
5872 * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
5873 dimension of these arrays.
5874 * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
5875 these arrays.
5876 * longlong.h: Only provide a prototype for the __clz_tab[] array
5877 if this header has not been included from libgcc2.h.
5878 * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
5879 defining own types.
5880 Provide prototypes for exported functions.
5881 Use the __clz_tab[] and __popcount_tab[] arrays provided by
5882 libgcc2.c.
5884 2005-09-08 Josh Conner <jconner@apple.com>
5886 PR c++/21135
5887 PR c++/23180
5888 * expr.c (expand_expr_addr_expr_1): Don't invoke
5889 expand_simple_binop for EXPAND_INITIALIZER.
5891 2005-09-08 Richard Henderson <rth@redhat.com>
5893 PR debug/23190
5894 * toplev.c (wrapup_global_declaration_1): Split out ...
5895 (wrapup_global_declaration_2): ... from ...
5896 (wrapup_global_declarations): ... here. Return bool.
5897 (check_global_declaration_1): Split out ...
5898 (check_global_declarations): from here.
5899 (emit_debug_global_declarations): New.
5900 * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
5901 check_global_declaration_1, emit_debug_global_declarations): Declare.
5902 * c-decl.c (c_write_global_declarations_1): Don't create a vector
5903 of decls. Call wrapup_global_declaration_1,
5904 wrapup_global_declaration_2, check_global_declaration_1 directly.
5905 (c_write_global_declarations_2): New.
5906 (ext_block): New.
5907 (c_write_global_declarations): Call c_write_global_declarations_2.
5908 * langhooks.c (write_global_declarations): Call
5909 emit_debug_global_declarations.
5911 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
5912 remove decls that have DECL_RTL_SET_P.
5913 * passes.c (rest_of_decl_compilation): Invoke
5914 cgraph_varpool_finalize_decl for all but functions.
5916 2005-09-08 Eric Botcazou <ebotcazou@libertysurf.fr>
5918 * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
5919 the result of a conversion if the new min and max cannot be compared.
5921 2005-09-08 Andreas Krebbel <krebbel1@de.ibm.com>
5923 * config/s390/s390.c (s390_sr_alias_set): Variable removed.
5924 (override_options): Setting s390_sr_alias_set removed.
5925 (save_fpr, save_gprs): Set alias set to vararg or frame.
5926 (restore_fpr, restore_gprs, s390_emit_prologue): Replace
5927 s390_sr_alias_set with get_frame_alias_set ().
5928 (s390_gimplify_va_arg): Replace s390_sr_alias_set with
5929 get_varargs_alias_set ().
5931 2005-09-08 Andrew Pinski <pinskia@physics.uc.edu>
5933 PR objc/20574
5934 PR objc/19324
5935 * c-parser.c (c_parser_objc_method_definition): If the next
5936 token is not "{", error out and don't start the function.
5938 2005-09-08 Andrew Pinski <pinskia@physics.uc.edu>
5940 * tree-vrp.c (extract_range_from_expr): Move the check for non
5941 nullness after the check for gimple invariant.
5943 2005-09-08 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5945 * tree.c (host_integerp, tree_low_cst): Correct function comment.
5947 2005-09-08 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
5949 PR target/23747
5950 * config/m32r.md (movmemsi_internal): Canonicalize order of
5951 operands in PLUS component of template.
5953 2005-09-07 Andreas Krebbel <krebbel1@de.ibm.com>
5955 * reload1.c (fixup_eh_region_note): Remove assertion.
5956 (fixup_abnormal_edges): Reverted removal of call to
5957 find_many_sub_basic_blocks made on 2005-08-31.
5959 2005-09-07 Richard Henderson <rth@redhat.com>
5961 * function.c (ARG_POINTER_CFA_OFFSET): Move ...
5962 * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
5963 (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
5964 * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
5965 rearrange for better packing.
5966 (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
5967 (lookup_cfa_1): Remove inline marker.
5968 (cfa_equal_p): Split out of ...
5969 (def_cfa_1): ... here. Use INVALID_REGNUM.
5970 (build_cfa_loc): Handle !cfa->indirect.
5971 (frame_pointer_cfa_offset): New.
5972 (dbx_reg_number): Assert register elimination performed; do
5973 leaf register remapping.
5974 (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
5975 (eliminate_reg_to_offset): New.
5976 (based_loc_descr): Remove can_use_fbreg argument. Use fbreg only
5977 for verifiably local stack frame addresses; re-base to CFA.
5978 (mem_loc_descriptor): Remove can_use_fbreg argument.
5979 (concat_loc_descriptor, loc_descriptor): Likewise.
5980 (containing_function_has_frame_base): Remove.
5981 (rtl_for_decl_location): Don't do register elimination or
5982 leaf register remapping here.
5983 (secname_for_decl): Split out from ..
5984 (add_location_or_const_value_attribute): ... here.
5985 (convert_cfa_to_loc_list): New.
5986 (compute_frame_pointer_to_cfa_displacement): New.
5987 (gen_subprogram_die): Use them.
5988 * tree.h (frame_base_decl): Remove.
5989 * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
5990 (prologue_stack_adjust): Remove.
5991 (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
5992 (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
5993 (set_frame_base_location): Remove.
5994 (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
5995 (dump_attrs_list, dump_dataflow_set): Use string concatenation.
5996 (vt_add_function_parameters): Don't eliminate_regs.
5997 (vt_initialize): Don't create frame_base_decl.
5999 2005-09-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6001 * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
6002 version of GNU binutils for 4.x and later.
6004 2005-09-06 Mark Mitchell <mark@codesourcery.com>
6006 * ggc-page.c (ggc_push_context): Remove.
6007 (ggc_pop_context): Likewise.
6008 * ggc.h (ggc_push_context): Remove.
6009 (ggc_pop_context): Likewise.
6011 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
6013 PR target/8973
6014 * config/arc/arc.c (arc_output_function_epilogue): Update flags while
6015 returning from an interrupt handler.
6017 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
6019 PR target/8972
6020 * config/arc/arc.c (output_shift): Add check for loop count when
6021 optimizing.
6023 2005-09-06 Steven Bosscher <stevenb@suse.de>
6025 * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
6026 form manually.
6027 (abs_replacement): Likewise.
6028 (pass_phiopt): Remove TODO_update_ssa.
6030 2005-09-06 Jakub Jelinek <jakub@redhat.com>
6032 PR c/23075
6033 * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
6034 if "return with no value, in function returning non-void" warning
6035 has been issued.
6036 * tree-cfg.c (execute_warn_function_return): Don't look at
6037 RETURN_EXPRs with TREE_NO_WARNING set.
6039 PR target/22362
6040 * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
6041 for internal functions doesn't use registers used by global registers
6042 variables. Use fewer register parameters if there are global register
6043 variables.
6045 2005-09-06 Olivier Hainque <hainque@adacore.com>
6046 Eric Botcazou <ebotcazou@adacore.com>
6048 PR middle-end/14997
6049 * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
6050 when we would be extracting outside its bit span (bitpos+bitsize
6051 larger than its mode), possible with some VIEW_CONVERT_EXPRs from
6052 Ada unchecked conversions.
6054 2005-09-06 Steven Bosscher <stevenb@suse.de>
6056 * tree-ssa-pre.c (try_look_through_load): New function.
6057 (compute_avail): Use it to try to look through loads for some
6058 more useful expressions.
6060 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
6062 * simplify-rtx.c (simplify_binary_operation_1): Correct the
6063 condition for detecting cases like (a&a) and (a^a).
6065 2005-09-06 Keith Besaw <kbesaw@us.ibm.com>
6067 * common.opt: Add option ftree-vect-loop-version.
6068 * params.def: Add --param vect-max-version-checks.
6069 * doc/invoke.texi: Document ftree-vect-loop-version and
6070 --param vect-max-version-checks.
6071 * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
6072 may_misalign_stmts and defines for accessors.
6073 * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
6074 LOOP_VINFO_MAY_MISALIGN_STMTS.
6075 (destroy_loop_vec_info): VEC_free for
6076 LOOP_VINFO_MAY_MISALIGN_STMTS.
6077 * tree-vect-analyze.c (vect_compute_data_ref_alignment):
6078 Update documentation.
6079 (vect_update_misalignment_for_peel): New.
6080 (vect_enhance_data_refs_alignment): Update to choose loop
6081 peeling or loop versioning if appropriate for the (potentially)
6082 unaligned data references in the loop.
6083 (vect_analyze_data_refs_alignment): Remove call to
6084 vect_enhance_data_refs_alignment so the checks can be done
6085 earlier.
6086 (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
6087 and move up call to vect_analyze_data_refs_alignment.
6088 * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
6089 (vect_transform_loop): Add call to loop_version.
6091 2005-09-06 Jakub Jelinek <jakub@redhat.com>
6093 PR rtl-optimization/23098
6094 * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
6095 * simplify-rtx.c (constant_pool_reference_p): New function.
6096 * rtl.h (constant_pool_reference_p): New prototype.
6097 * config/i386/i386.md (pushf split, mov[sdx]f split): Use
6098 constant_pool_reference_p in condition and
6099 avoid_constant_pool_reference in preparation statements.
6101 2005-09-06 Andreas Krebbel <krebbel1@de.ibm.com>
6103 * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for
6104 STRICT_LOW_PART SETs.
6106 2005-09-06 Alan Modra <amodra@bigpond.net.au>
6108 PR middle-end/21460
6109 * except.c (sjlj_emit_function_enter): Find the function begin
6110 note even when it's not in first basic block.
6112 2005-09-06 Kelley Cook <kcook@gcc.gnu.org>
6114 * acinclude.m4: Renamed from aclocal.m4. Delete AM_LANGINFO_CODESET,
6115 AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
6116 * aclocal.m4: Regenerate.
6118 2005-09-05 DJ Delorie <dj@redhat.com>
6120 * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
6121 of macro.
6123 2005-09-06 Kazu Hirata <kazu@codesourcery.com>
6125 * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
6126 config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
6127 config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
6128 Follow spelling conventions.
6129 * doc/invoke.texi: Follow spelling conventions.
6131 2005-09-05 J"orn Rennecke <joern.rennecke@st.com>
6133 * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
6134 * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
6135 * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
6137 2005-09-05 J"orn Rennecke <joern.rennecke@st.com>
6139 PR target/23683
6140 * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
6141 (output_stack_adjust): Use gen_tmp_stack_mem.
6142 (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
6143 (sh_set_return_address, sh_allocate_initial_value): Likewise.
6144 (sh_get_pr_initial_val): Likewise.
6145 (sh_builtin_saveregs): Use gen_frame_mem and change_address.
6146 (sh_initialize_trampoline): Likewise. Also use adjust_address.
6147 * sh.md (divsi_inv_m0): Use gen_const_mem.
6148 (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
6149 (movdf_i4+1): Use gen_tmp_stack_mem.
6150 (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
6151 (fpu_switch+2): Likewise.
6152 (movv4sf_i, movv16sf_i): Use adjust_address.
6153 (symGOT_load): Set MEM_NOTRAP_P bit.
6155 2005-09-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6157 PR target/23721
6158 * pa.c (emit_move_sequence): Fix typo in last change.
6160 2005-09-03 Jakub Jelinek <jakub@redhat.com>
6162 PR rtl-optimization/23454
6163 * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
6164 is true.
6166 2005-09-03 Richard Henderson <rth@redhat.com>
6167 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6169 PR middle-end/23671
6170 * pa.c (emit_move_sequence): Use replace_equiv_address instead of
6171 gen_rtx_MEM.
6173 2005-09-02 Nicolas Pitre <nico@cam.org>
6175 * config/arm/arm.c (arm_legitimize_address): Limit the value passed
6176 to bit_count to 32 bits.
6178 2005-08-31 Mark Mitchell <mark@codesourcery.com>
6180 PR c++/23167
6181 * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
6182 generating synthetic loads from volatile lvalues.
6184 005-09-02 Nick Clifton <nickc@redhat.com>
6186 * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
6187 __ctzhi2, __clzhi2): New functions.
6189 2005-09-02 Andrew Pinski <pinskia@physics.uc.edu>
6191 PR middle-end/23547
6192 * tree-nested.c (struct var_map_elt): Mark with GTY.
6193 (struct nesting_info): Mark with GTY. Mark var_map's param is struct
6194 var_map_elt.
6195 (lookup_field_for_decl): Allocate new element in GC memory.
6196 (lookup_tramp_for_decl): Likewise.
6197 (convert_nl_goto_reference): Likewise
6198 (create_nesting_tree): Allocate info in GC memory. Likewise for
6199 info->var_map.
6200 (free_nesting_tree): Free with ggc_free instead of free.
6201 (root): New static variable.
6202 (lower_nested_functions): Remove root as local variable. And zero out
6203 root at the end of the function.
6205 2005-09-02 J"orn Rennecke <joern.rennecke@st.com>
6207 PR rtl-optimization/20365
6208 * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
6209 to short. New member ix.
6210 (simplify_plus_minus_op_data_cmp): Break ties using ix member.
6211 (simplify_plus_minus): Initialize ix members before calling qsort.
6213 2005-09-02 Zdenek Dvorak <dvorakz@suse.cz>
6215 PR tree-optimization/23626
6216 * tree-cfg.c (replace_uses_by): Clean up eh info.
6218 2005-09-01 DJ Delorie <dj@redhat.com>
6220 * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
6221 fprintf.
6223 2005-09-01 David Edelsohn <edelsohn@gnu.org>
6225 * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
6226 (rs6000_split_multireg_move): Use replace_equiv_address instead of
6227 gen_rtx_MEM.
6229 2005-09-01 Craig Rodrigues <rodrigc@gcc.gnu.org>
6231 * c-decl.c (diagnose_mismatched_decls): With -Wredundant-decls,
6232 do not issue warning for a variable definition following
6233 a declaration.
6235 2005-09-01 Richard Henderson <rth@redhat.com>
6237 PR 23668
6238 * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
6239 conversion to CONST_VECTOR.
6241 2005-09-01 Richard Henderson <rth@redhat.com>
6243 PR 23676
6244 * reload1.c (reload_as_needed): Check !CALL_P before calling
6245 fixup_eh_region_note.
6246 * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
6248 2005-09-01 DJ Delorie <dj@redhat.com>
6250 * varasm.c (output_constant): Let the target resolve
6251 conversions of addresses to non-default pointer sizes.
6253 2005-09-01 Nicolas Pitre <nico@cam.org>
6255 * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
6256 to alow matching ARM pre-indexed addressing mode.
6257 (arm_override_options): Remove now irrelevant comment.
6259 2005-09-01 Phil Edwards <phil@codesourcery.com>
6261 * config.gcc (i*86-wrs-vxworks): Update. Split out vxworksae target.
6262 * config/i386/t-vxworks: Update multilibs for VxWorks 6 and RTP mode.
6263 * config/i386/vxworks.h: Likewise.
6264 * config/i386/t-vxworksae: New file, for VxWorks AE.
6265 * config/i386/vxworksae.h: Likewise.
6267 2005-09-01 Sebastian Pop <pop@cri.ensmp.fr>
6269 PR tree-optimization/23410
6270 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
6271 sequence is not wrapping during the first step.
6273 2005-09-01 Jakub Jelinek <jakub@redhat.com>
6275 PR debug/7241
6276 * dwarf2out.c (base_type_die): Compare char_type_node with
6277 TYPE_MAIN_VARIANT (type), not type.
6279 2005-09-01 Richard Guenther <rguenther@suse.de>
6281 PR tree-optimization/15366
6282 * common.opt: Add -finline-functions-called-once.
6283 Put -fearly-inlining in alphabetically ordered place.
6284 * doc/invoke.texi: Document new option.
6285 * ipa-inline.c (cgraph_decide_inlining): Honour
6286 flag_inline_functions_called_once.
6288 2005-09-01 Jakub Jelinek <jakub@redhat.com>
6290 PR rtl-optimization/23478
6291 * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
6292 (alloc_qty): Initialize it.
6293 (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
6294 (combine_regs): Combine also n_throwing_calls_crossed fields.
6295 (find_free_reg): Don't attempt to caller-save pseudos crossing
6296 calls that might throw.
6297 * global.c (struct allocno): Add throwing_calls_crossed field.
6298 (global_alloc): Revert 2005-08-22 change. Initialize
6299 throwing_calls_crossed.
6300 (find_reg): Don't attempt to caller-save pseudos crossing calls that
6301 might throw.
6303 2005-09-01 Alan Modra <amodra@bigpond.net.au>
6305 PR target/23649
6306 * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
6307 (mask64_operand): Reinstate code prior to 2005-06-11 change.
6308 (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
6309 (and64_2_operand): Tweak to use predicate.
6310 (and_operand): Adjust for mask_operand changes.
6311 * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
6312 (print_operand): Likewise.
6313 (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
6314 (mask64_1or2_operand): Delete.
6315 * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
6316 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
6317 (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
6318 (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
6319 * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
6320 (rotldi3_internal4): Likewise.
6321 (rotldi3_internal5, rotldi3_internal5 split): Likewise.
6322 (rotldi3_internal6, rotldi3_internal6 split): Likewise.
6323 (ashldi3_internal7): Likewise.
6324 (ashldi3_internal8, ashldi3_internal8 split): Likewise.
6325 (ashldi3_internal, ashldi3_internal9 split): Likewise.
6326 (anddi3 split): Don't match mask64_operand.
6327 (anddi3_internal2): Add rlwinm. Modify 't' splitter predicate.
6328 (anddi3_internal3): Add rlwinm. Use and64_2_operand in non-cr0
6329 splitter and match TARGET_64BIT not TARGET_POWERPC64. Modify
6330 't' splitter predicate.
6331 (movdi_internal64 + 2): Revert 2005-06-11 change.
6333 2005-08-31 DJ Delorie <dj@redhat.com>
6335 * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
6336 (m32c_asm_integer): Add support for 32 bit pointers.
6338 2005-08-31 Richard Henderson <rth@redhat.com>
6340 * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
6341 component-like references for setting MEM_NOTRAP_P.
6343 * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
6344 * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
6346 2005-08-31 Richard Henderson <rth@redhat.com>
6348 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
6349 into a pseudo before applying gen_lowpart.
6351 2005-08-31 Geoffrey Keating <geoffk@apple.com>
6353 * doc/install.texi (Specific): Update cctools version required
6354 for full functionality.
6355 * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
6356 linkers as -macosx_version_min.
6358 2005-08-31 J"orn Rennecke <joern.rennecke@st.com>
6360 PR target/21255
6361 * sh.c (print_operand, %R and %S): Add handling of floating point
6362 registers, memory, constants and invalid operands.
6364 2005-08-31 Daniel Berlin <dberlin@dberlin.org>
6366 * ipa-pure-const.c: Change dump name.
6368 2005-08-31 Uros Bizjak <uros@kss-loka.si>
6370 PR target/23570
6371 * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
6372 to "reg_or_0_operand".
6373 (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
6375 2005-08-31 Dale Johannesen <dalej@apple.com>
6377 * loop-iv.c (iv_number_of_iterations): Fix overflow check for
6378 loops that count down.
6380 2005-08-31 Richard Henderson <rth@redhat.com>
6382 PR rtl-opt/23601
6383 * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
6384 (fixup_eh_region_note): New.
6385 (reload_as_needed): Call it.
6386 (fixup_abnormal_edges): Allow all throwing insns to be deleted;
6387 don't call find_many_sub_basic_blocks; call verify_flow_info.
6388 * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
6389 (keep_stack_depressed): Likewise.
6390 (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
6392 2005-08-31 Richard Henderson <rth@redhat.com>
6394 * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
6395 fp return matching.
6397 2005-08-31 Fariborz Jahanian <fjahanian@apple.com>
6399 * expr.c (expand_expr_real_1): Compare size of address
6400 mode to target's address mode size in deciding expansion of
6401 the constant address.
6403 2005-08-31 Richard Guenther <rguenther@suse.de>
6405 PR middle-end/23477
6406 * expr.c (all_zeros_p): New function.
6407 (expand_expr_real_1): Handle the case of an all-zero
6408 non-addressable constructor separately.
6410 2005-08-31 Adrian Straetling <straetling@de.ibm.com>
6412 * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
6413 arguments, adjust all callers.
6414 (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
6416 2005-08-30 Richard Henderson <rth@redhat.com>
6418 PR target/23630
6419 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
6420 whenever the mode sizes match.
6422 2005-08-31 Alan Modra <amodra@bigpond.net.au>
6424 * calls.c (load_register_parameters): Fix comment typo.
6425 * expr.c (emit_push_insn): Comment formatting.
6427 2005-08-30 Ian Lance Taylor <ian@airs.com>
6429 * config/i386/x-cygwin (host-cygwin): Change dependency from
6430 hosthooks-def.h to $(HOSTHOOKS_DEF_H).
6432 2005-08-29 Geoffrey Keating <geoffk@apple.com>
6434 * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
6435 parts of 'vals'.
6437 2005-08-29 Andrew Pinski <pinskia@physics.uc.edu>
6439 PR middle-end/23408
6440 * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
6441 call to ggc_collect.
6443 2005-08-29 Paolo Bonzini <bonzini@gnu.org>
6445 PR bootstrap/21268
6446 * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
6447 beginning. Remove $(INCLUDES) from all the rules, if following
6448 $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
6450 2005-08-29 Jakub Jelinek <jakub@redhat.com>
6452 PR middle-end/23484
6453 * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
6454 fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
6455 not constant, but maxlen is, don't set len to maxlen, rather
6456 set maxlen to len if len is a constant.
6458 2005-08-29 Zdenek Dvorak <dvorakz@suse.cz>
6460 PR tree-optimization/23475
6461 * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
6462 and counts.
6464 2005-08-28 Daniel Berlin <dberlin@dberlin.org>
6466 Fix PR middle-end/22455
6468 * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
6469 Checksum only the parts of the tree that exist for the tree code.
6471 2005-08-28 Dale Johannesen <dalej@apple.com>
6473 * config/i386/i386.c (nocona_cost): Increase MOVE_RATIO.
6475 2005-08-28 Andrew Pinski <pinskia@physics.uc.edu>
6477 * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
6479 2005-08-28 Richard Henderson <rth@redhat.com>
6481 * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
6482 * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
6483 of char_type_node.
6485 2005-08-28 Jakub Jelinek <jakub@redhat.com>
6487 PR ada/23593
6488 * builtins.c (get_memory_rtx): Don't strip nops
6489 in between COMPONENT_REFs.
6491 2005-08-27 Andrew Pinski <pinskia@physics.uc.edu>
6493 PR middle-end/23463
6494 * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
6495 types.
6496 (gimplify_modify_expr): Check for zero sized types and gimplify the
6497 rhs and lhs as statements.
6499 2005-08-27 John David Anglin <dave.anflin@nrc-cnrc.gc.ca>
6501 PR libgcj/23508
6502 * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
6503 state for return address column of signal frames.
6505 2005-08-27 David Edelsohn <edelsohn@gnu.org>
6507 PR target/23539
6508 * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
6509 bytes >= 2 not bytes == 2.
6510 (expand_block_move): Same.
6512 2005-08-27 Richard Guenther <rguenther@suse.de>
6514 PR target/23575
6515 * config/i386/sse.md (sse2_movsd): Add missing closing
6516 braces.
6518 2005-08-27 Paul Brook <paul@codesourcery.com>
6520 * genrecog.c (enum decision_type): Add DT_num_insns.
6521 (struct decision_test): Add u.num_insns.
6522 (add_to_sequence): Add DT_num_insns test.
6523 (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
6524 (write_cond, debug_decision_2): Ditto.
6525 (change_state): Assume peep2_next_insn never fails.
6526 Remove "afterward" argument.
6527 (write afterward, write_tree): Update to match.
6528 * recog.c (peep2_current_count): New variable.
6529 (peep2_next_insn): Check it.
6530 (peephole2_optimize): Set peep2_current_count.
6531 * recog.h (peep2_current_count): Declare.
6533 2005-08-26 Josh Conner <jconner@apple.com>
6535 PR middle-end/23584
6536 * ipa-pure-const.c (check_tree): Check for volatile-ness
6537 when considering a dereference.
6539 2005-08-27 Jakub Jelinek <jakub@redhat.com>
6541 * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
6543 2005-08-26 Jakub Jelinek <jakub@redhat.com>
6545 PR rtl-optimization/23561
6546 * builtins.c (get_memory_rtx): Add LEN argument. If MEM_EXPR is
6547 a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
6548 at most LEN bytes long memory fits into the field.
6549 (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
6550 expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
6551 expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
6553 2005-08-26 Richard Henderson <rth@redhat.com>
6555 PR rtl-opt/23560
6556 * loop.c (biased_biv_may_wrap_p): New.
6557 (maybe_eliminate_biv_1): Use it to suppress non-equality
6558 comparison transformations. Delete disabled code.
6560 2005-08-26 Ian Lance Taylor <ian@airs.com>
6562 * combine.c (make_extraction): Avoid reference outside object.
6564 2005-08-26 J"orn Rennecke <joern.rennecke@st.com>
6566 * stor-layout.c (finalize_type_size): Restore behaviour for
6567 non-aggregate types to the status quo ante of the patch for
6568 pr 23467. Document why it matters.
6570 2005-08-26 Jakub Jelinek <jakub@redhat.com>
6572 PR c/23506
6573 * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
6574 array by one element, initialize the BT_LAST element with NULL.
6576 2005-08-26 David Edelsohn <edelsohn@gnu.org>
6578 * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
6579 optimizing for size.
6580 (plus_eqsi): Same.
6581 (compare_plus_eqsi): Same.
6582 (plus_eqsi_compare): Same.
6583 (neg_eq0<mode>): Same.
6584 (neg_eq<mode>): Same.
6586 * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
6587 PROCESSOR_POWER4.
6589 2005-08-26 Nick Clifton <nickc@redhat.com>
6591 * config/v850/v850.c (ep_memory_operand): Return FALSE if
6592 TARGET_EP is not defined.
6593 * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
6594 TARGET_EP is enabled.
6595 (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
6596 * config/v850/v850.md (save_all_interrupt): Only use the EP
6597 register if TARGET_EP is defined.
6598 (restore_all_interrupt): Likewise.
6599 * config/v850/lib1funcs.asm: Update functions so that the EP
6600 register is only used if __EP__ is defined.
6602 2005-08-26 David Ung <davidu@mips.com>
6604 * config/mips/mips.c (mips_expand_prologue): Handle case when
6605 generating for MIPS16 and the outgoing argument area is more than
6606 SMALL_OPERAND. Use the frame pointer as temporary to generate the
6607 add instruction.
6609 2005-08-26 Paul Woegerer <paul.woegerer@nsc.com>
6611 * config/crx/crx.md: Make doloop_end pattern usage controllable
6612 via mloop-nesting=<max-nesting> command line switch. Make sure
6613 the combiner cannot use doloop_end_<mode> in an illegal way.
6614 * config/crx/crx.c: Use regs up to r6 for argument passing.
6615 Refine crx_address_cost (non cst4 displacements are expensive).
6616 * config/crx/crx.opt: Add switch for mloop-nesting=.
6618 2005-08-26 Adrian Straetling <straetling@de.ibm.com>
6620 * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
6621 (UNSPEC_MVST): New constant.
6623 2005-08-26 Andreas Krebbel <krebbel1@de.ibm.com>
6625 * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
6626 Reject operands containing eliminable registers.
6627 * testsuite/gcc.dg/20050825-1.c: New testcase.
6629 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
6630 Jan Hubicka <jh@suse.cz>
6632 * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
6634 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
6636 PR tree-optimization/23546
6637 * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
6638 and REAL_CST nodes.
6640 2005-08-24 Pete Steinmetz <steinmtz@us.ibm.com>
6642 * params.def (PARAM_MIN_SPEC_PROB): New.
6643 * sched-rgn.c (MIN_PROBABILITY): Delete.
6644 (compute_trg_info): Convert to PARAM_VALUE.
6645 * doc/invoke.texi (param): Document min-spec-prob.
6647 2005-08-24 Fariborz Jahanian <fjahanian@apple.com>
6649 * config/darwin.h: define __PIC__
6650 * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
6651 TARGET_OS_CPP_BUILTINS macro.
6653 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
6655 * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
6656 yesterday.
6658 2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
6660 * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
6661 to duplicate_block.
6662 * cfghooks.c (duplicate_block): Added position where to place
6663 new block as argument.
6664 * cfghooks.h (duplicate_block): Declaration changed.
6665 * cfglayout.c (copy_bbs): Add argument after. Pass it to
6666 duplicate_block.
6667 * cfglayout.h (copy_bbs): Declaration changed.
6668 * cfgloop.h (loop_version): Declaration changed.
6669 * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
6670 position to copy_bbs.
6671 (loop_version): Pass position to duplicate_loop_to_header_edge.
6672 Add place_after argument and position new blocks according to
6673 it.
6674 * modulo-sched.c (sms_schedule): Pass place_after argument
6675 to loop_version.
6676 * tracer.c (tail_duplicate): Pass argument to duplicate_block.
6677 * tree-cfg.c (split_edge_bb_loc): New function.
6678 (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
6679 to determine position of new blocks.
6680 * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
6681 to loop_version.
6682 * tree-ssa-threadupdate.c (create_block_for_threading): Pass
6683 argument to duplicate_block.
6684 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
6685 Pass position to copy_bbs.
6687 2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
6689 * fold-const.c (ptr_difference_const): Use
6690 cst_and_fits_in_hwi instead of host_integerp.
6692 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
6694 * config/darwin.c (gen_pic_offset): New.
6695 (machopic_indirect_data_reference, machopic_legitimize_pic_address):
6696 Use it.
6698 2005-08-23 Zdenek Dvorak <dvorakz@suse.cz>
6700 PR tree-optimization/23486
6701 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
6703 2005-08-23 Phil Edwards <phil@codesourcery.com>
6705 * config.gcc (*-*-vxworks*): Update tm_file, add extra_options,
6706 remove use_collect2.
6707 (powerpc-wrs-vxworks): Update, split out *-*-vxworksae target.
6709 * target-def.h (TARGET_HAVE_CTORS_DTORS): Allow target
6710 configuration files to override the default value.
6712 * config/t-vxworks: Remove INSTALL_ASSERT_H. Define STMP_FIXPROTO,
6713 EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
6714 * config/vx-common.h: New file, split out from...
6715 * config/vxworks.h: here. Update for VxWorks 6.x and RTP mode.
6716 * config/vxworksae.h: New file, for VxWorks AE.
6717 * config/vxworks.opt: New file.
6718 * config/vxlib.c: Update for VxWorks 6.
6720 * config/rs6000/t-vxworks (MULTILIB_OPTIONS): New list. Adjust
6721 other MULTILIB_* variables appropriately.
6722 (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS): Correct from t-ppccomm.
6723 * config/rs6000/t-vxworksae: New file, adjust multilibs for AE.
6724 * config/rs6000/vxworks.h: Update for VxWorks 6.
6725 * config/rs6000/vxworksae.h: New file, mostly placeholder for now.
6727 2005-08-23 Andrew Pinski <pinskia@physics.uc.edu>
6729 PR target/20799
6730 * config/darwin.c (machopic_select_section): Remove the hack to
6731 mark "::operator new" and "::operator delete" for coalescing
6732 even though they are not weak.
6734 2005-08-24 Alan Modra <amodra@bigpond.net.au>
6736 * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
6737 * configure: Regenerate.
6739 2005-08-23 Paolo Bonzini <bonzini@gnu.org>
6741 PR middle-end/23517
6742 * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
6743 between vectors.
6744 * convert.c (convert_to_integer, convert_to_vector): Likewise.
6745 * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
6746 Likewise.
6748 2005-08-23 Paolo Bonzini <bonzini@gnu.org>
6750 * config/rs6000/predicates.md (equality_operator): New.
6751 * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
6752 comparison with a large constant.
6754 2005-08-23 Mark Mitchell <mark@codesourcery.com>
6756 * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
6758 2005-08-23 J"orn Rennecke <joern.rennecke@st.com>
6760 * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
6761 registers is even, and we have a hardware double precision fp,
6762 align the buffer.
6763 (sh_gimplify_va_arg_expr): For floating point arguments, consider
6764 size of current argument when checking if argument was passed in
6765 registers.
6767 * sh.c (sh_attr_renesas_p): Handle error_mark_node.
6769 PR middle-end/23467
6770 * stor-layout.c (finalize_type_size): Dont override
6771 existing alignment with a smaller alignment from the mode.
6773 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
6775 * lambda-code.c (lambda_vector_lexico_pos): Moved...
6776 * lambda.h (lambda_vector_lexico_pos): ... here.
6777 * tree-data-ref.c (build_classic_dist_vector): Return false when
6778 the distance vector is lexicographically negative.
6780 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
6782 PR tree-optimization/23511
6783 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't
6784 handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
6786 2005-08-23 Jakub Jelinek <jakub@redhat.com>
6788 PR tree-optimization/22043
6789 * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
6790 * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
6791 If ALLOW_FLEXARR, handle types ending with flexible array member.
6792 Pass false as second argument to recursive count_type_elements calls.
6793 (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
6794 argument to count_type_elements call.
6795 * tree-sra.c (decide_block_copy): Likewise.
6796 * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
6797 for a constant-sized object, set cleared as well. Pass true as
6798 second argument to count_type_elements call.
6800 2005-08-23 Alan Modra <amodra@bigpond.net.au>
6802 PR target/21571
6803 * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
6804 from legitimate_small_data_p, and make global. Update use.
6805 Remove forward declaration.
6806 * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
6807 Declare.
6808 * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
6810 2005-08-23 David Edelsohn <edelsohn@gnu.org>
6812 * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
6813 of scratch intermediates.
6814 (eq<mode>_compare): Same.
6815 (neg_eq0<mode>): New.
6816 (neg_eq<mode>): Convert to define_insn_and_split.
6818 2005-08-23 Alan Modra <amodra@bigpond.net.au>
6820 PR target/23070
6821 * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
6822 stdarg functions, set/clear the fp marker even when no variable
6823 args are passed.
6824 * config/rs6000/sysv4.opt (mprototype): Describe.
6826 2005-08-22 Jakub Jelinek <jakub@redhat.com>
6828 PR rtl-optimization/23478
6829 * regs.h (reg_info): Add throw_calls_crossed.
6830 (REG_N_THROWING_CALLS_CROSSED): Define.
6831 * flow.c (allocate_reg_life_data): Initialize
6832 REG_N_THROWING_CALLS_CROSSED.
6833 (propagate_one_insn, attempt_auto_inc): Update
6834 REG_N_THROWING_CALLS_CROSSED.
6835 * global.c (global_alloc): Don't allocate pseudos across
6836 calls that may throw.
6838 2005-08-22 Andrew Pinski <pinskia@physics.uc.edu>
6840 PR c/18715
6841 * c-common.c (c_do_switch_warnings): Look for a node where the enum's
6842 value is inbetween the range if we did not find an exact match.
6844 2005-08-22 Aldy Hernandez <aldyh@redhat.com>
6846 * doc/invoke.texi (Option Summary): Add ms1 options.
6847 * doc/extend.texi: Document interrupt handler attribute for ms1.
6848 * doc/md.texi: Document ms1 constraints.
6849 * config.gcc: Add ms1-*-elf.
6850 * config/ms1/ms1.h: New.
6851 * config/ms1/ms1.c: New.
6852 * config/ms1/ms1.md: New.
6853 * config/ms1/ms1-protos.h: New.
6854 * config/ms1/ABI.txt: New.
6855 * config/ms1/crti.asm: New.
6856 * config/ms1/crtn.asm: New.
6857 * config/ms1/lib2extra-funcs.c: New.
6858 * config/ms1/t-ms1: New.
6859 * config/ms1/ms1.opt: New.
6861 2005-08-22 Ira Rosen <irar@il.ibm.com>
6863 * config/rs6000/altivec.md (xorv4sf3): New.
6864 (negv4sf2, neg<mode>2): Likewise.
6866 2005-08-21 H.J. Lu <hongjiu.lu@intel.com>
6868 PR target/23485
6869 * config/ia64/ia64.md (divsi3): Check divide by zero.
6870 (udivsi3): Likewise.
6871 (divdi3): Likewise.
6872 (udivdi3): Likewise.
6874 2005-08-21 Jakub Jelinek <jakub@redhat.com>
6876 * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
6877 up to elem_bitsize bits, not max_bitsize.
6879 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
6881 PR tree-optimization/23433
6882 * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
6883 REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
6885 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
6887 PR tree-optimization/23434
6888 * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
6889 the iteration bound is not an INTEGER_CST.
6891 2005-08-21 Dorit Nuzman <dorit@il.ibm.com>
6893 * tree-vect-transform.c (get_initial_def_for_reduction): Set
6894 need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
6895 NULL if need_epilog_adjust is false.
6896 (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
6897 Case 3 always peels first itration, not just for PLUS case, and no need
6898 to use scalar_initial_def here. Create an epilog adjustment only if
6899 scalar_initial_def is not NULL.
6901 (vectorizable_reduction): Remove assert.
6903 2005-08-20 H.J. Lu <hongjiu.lu@intel.com>
6905 PR target/23485
6906 * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
6907 (__moddi3): Likewise.
6908 (__udivdi3): Likewise.
6909 (__umoddi3): Likewise.
6910 (__divsi3): Likewise.
6911 (__modsi3): Likewise.
6912 (__udivsi3): Likewise.
6913 (__umodsi3): Likewise.
6915 2005-08-20 Jakub Jelinek <jakub@redhat.com>
6917 * tree-pass.h (TDF_GRAPH): Define.
6918 * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
6919 * passes.c (finish_optimization_passes): Only call
6920 finish_graph_dump_file if TDF_GRAPH is set.
6921 (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
6922 NULL. Set TDF_GRAPH bit.
6923 (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
6925 2005-08-20 Richard Earnshaw <richard.earnshaw@arm.com>
6927 * arm.h (arm_stack_offsets): Add locals_base field.
6928 * arm.c (arm_get_frame_offsets): Compute it.
6929 (thumb_compute_initial_elimination offset): Make the Thumb frame
6930 pointer point to the base of the local variables.
6931 (thumb_expand_prologue): Update accordingly.
6932 (thumb_expand_epilogue): Likewise.
6934 * arm.md (thumb_movhi_clobber): Make this insn a define_expand. Change
6935 mode of clobbered scratch to DImode. Handle a case that's known to
6936 need this.
6938 2005-08-19 David Edelsohn <edelsohn@gnu.org>
6940 * config/rs6000/rs6000.md (gt0<mode>): Delete.
6941 (gt0<mode>_compare): Delete.
6942 (neg_gt0<mode>): Delete.
6944 2005-08-19 Eric Christopher <echristo@apple.com>
6946 * optabs.h: Change CTI_ to COI_.
6947 * optabs.c: Ditto.
6949 2005-08-19 James E Wilson <wilson@specifix.com>
6951 * builtins.c (expand_builtin_return_addr): Set
6952 current_function_accesses_prior_frames when count != 0. Use
6953 frame_pointer_rtx when count == 0.
6954 * function.h (struct function): Add accesses_prior_frames field.
6955 (current_function_accesses_prior_frames): Define.
6956 * reload1.c (init_elim_table): Check
6957 current_function_accesses_prior_frames.
6958 * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
6960 2005-08-19 Diego Novillo <dnovillo@redhat.com>
6962 * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
6963 indicator. Return true if the flowgraph changed during
6964 cleanup.
6966 2005-08-19 Diego Novillo <dnovillo@redhat.com>
6968 PR 23476
6969 * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
6970 conditional expression before testing its value.
6972 2005-08-19 Diego Novillo <dnovillo@redhat.com>
6974 * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
6976 2005-08-19 Devang Patel <dpatel@apple.com>
6978 PR tree-optimization/23048
6979 * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
6980 third parameter. Check whether latch is dominated by exit
6981 block or not.
6982 (if_convertible_loop_p): Supply exit block itself to
6983 if_convertible_bb_p.
6985 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
6987 PR target/23473
6988 * arm.md (arm_load_pic_register): Change argument to the mask of
6989 saved registers. Call thumb_find_work_register if we need a
6990 scratch register on Thumb.
6991 (arm_expand_prologue): Pass empty register set to
6992 arm_load_pic_register.
6993 (thumb_expand_prologue): Pass live_regs_mask directly to
6994 arm_load_pic_register.
6995 * arm-protos.h (arm_load_pic_register): Update prototype.
6997 2005-08-19 J"orn Rennecke <joern.rennecke@st.com>
6999 * sh.c (find_sole_member): New function.
7000 (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
7001 if the record's alignment is larger than the size of its only member.
7003 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
7005 PR target/23436
7006 * arm.c (thumb_legitimize_reload_address): New function.
7007 * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
7008 * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
7010 2005-08-19 Paul Woegerer <paul.woegerer@nsc.com>
7012 * config/crx/crx.c: Implement crx_decompose_address. Reject
7013 symbolic displacements since CRX register relative adressing
7014 mode can't handle unsigned 32-bit values as displacements.
7015 * config/crx/crx.h: Simplify definitions, remove redundant
7016 parenthesis and obsolete macros.
7017 * config/crx/crx.opt: Add new switch for debugging addresses.
7018 * config/crx/crx-protos.h: Add new declarations for above.
7020 2005-08-19 Andrew Pinski <pinskia@physics.uc.edu>
7022 PR middle-end/20624
7023 * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
7024 looking past it.
7026 2005-08-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7028 * collect2.c (dup2): Delete.
7029 * configure.ac: Don't check for dup2.
7031 * config.in, configure: Regenerate.
7033 2005-08-18 J"orn Rennecke <joern.rennecke@st.com>
7035 * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
7036 record with the type of its only member.
7038 2005-08-18 David Edelsohn <edelsohn@gnu.org>
7040 * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
7041 define_insn_and_split.
7042 (plus_ltu<mode>_compare): Same.
7043 (gtu<mode>_compare): Same.
7044 (plus_gtu<mode>_compare): Same.
7046 2005-08-18 Dorit Nuzman <dorit@il.ibm.com>
7048 PR tree-optimization/22228
7049 * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
7050 todo_flags_start.
7051 * tree-vect-transform.c (vect_transform_loop): Mark the variables that
7052 are recorded in vect_vnames_to_rename for renaming.
7053 * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
7054 (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
7055 in vect_vnames_to_rename.
7056 (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
7057 * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
7059 2005-08-18 Jan Hubicka <jh@suse.cz>
7061 PR c++/22034
7062 * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
7063 info only for local statics, not for member variables.
7065 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7067 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
7069 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7071 * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
7073 2005-08-18 Andrew Pinski <pinskia@physics.uc.edu>
7075 PR middle-end/16045
7076 * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
7078 2005-08-17 James E Wilson <wilson@specifix.com>
7080 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
7081 array size check.
7083 2005-08-17 David Edelsohn <edelsohn@gnu.org>
7085 * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
7086 (leu<mode>_compare): Same.
7087 (plus_leu<mode>): Same.
7088 (neg_leu<mode>): Same.
7089 (and_neg_leu<mode): Same.
7090 (ltu<mode>_compare): Same.
7091 (plus_ltu<mode>): Same.
7092 (geu<mode>): Same.
7093 (geu<mode>_compare): Same.
7094 (plus_geu<mode>): Same.
7095 (neg_geu<mode>): Same.
7096 (and_neg_geu<mode>): Same.
7097 (plus_gt<mode>): Same.
7098 (gtu<mode>_compare): Same.
7099 (plus_gtu<mode>): Same.
7101 2005-08-17 Erik Christiansen <erik@dd.nec.com.au>
7103 * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
7104 Move call_table_data to end. Delete spurious .text.
7105 (callt_save_all_interrupt): Fix comment typo.
7107 2005-08-17 James E Wilson <wilson@specifix.com>
7108 Kevin Winchester <winchester@amirix.com>
7110 PR target/21684
7111 * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
7113 2005-08-17 Uros Bizjak <uros@kss-loka.si>
7115 PR target/23268
7116 * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
7117 ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
7119 2005-08-17 J"orn Rennecke <joern.rennecke@st.com>
7121 * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
7122 record with the type of its only member if the modes don't match.
7124 * varasm.c (decode_reg_name): Skip empty additional register names.
7126 2005-08-16 Zdenek Dvorak <dvorakz@suse.cz>
7128 * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
7129 lsm_tmp_name_length): New.
7130 (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
7131 (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
7133 2005-08-16 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
7134 Andreas Krebbel <krebbel1@de.ibm.com>
7136 * config.gcc: Added z9-109 switch.
7137 * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
7138 "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
7139 "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
7140 "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
7141 "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
7142 for "z9_109" cpu attribute.
7143 * config/s390/s390.c (z9_109_cost): New processor cost structure.
7144 (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
7145 (s390_handle_arch_option): Added z9-109 switch.
7146 (override_options): Set respective cost function for z9-109.
7147 (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
7148 (legitimate_reload_constant_p): Accept extended immediates.
7149 (print_operand): Three new output modifiers added: k, m and o.
7150 (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
7151 (s390_output_mi_thunk): Use extended immediate when possible.
7152 * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
7153 (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
7154 (CONSTRAINT_LEN): Added length of O constraint.
7155 (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
7156 * config/s390/s390.md ("cpu"): New value z9_109 added.
7157 ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
7158 "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
7159 "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
7160 "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
7161 "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
7162 ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
7163 "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
7164 "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
7165 ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
7166 "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
7167 "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
7168 "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
7169 "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
7170 "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
7171 "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
7172 immediates.
7173 ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
7174 "zero_extend<mode>si2"): Allow memory operands and don't manually emit
7175 insns for TARGET_EXTIMM.
7177 2005-08-17 Andreas Krebbel <krebbel1@de.ibm.com>
7179 * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
7181 2005-08-17 Nick Clifton <nickc@redhat.com>
7183 * config/stormy16/stormy16.c (xstormy16_encode_section_info):
7184 Call default_encode_section_info.
7186 2005-08-17 Steven Bosscher <stevenb@suse.de>
7188 PR tree-optimization/21574
7189 * tree-ssa-ccp.c (likely_value): If the right hand side is a
7190 constant, return CONSTANT.
7191 (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
7192 (ccp_fold, visit_assignment): Likewise.
7193 (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
7195 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
7197 * c-typeck.c (build_function_call): Call fold_buildN_initializer or
7198 fold_buildN instead of buildN then fold_initializer or fold.
7199 (build_unary_op): Likewise.
7200 (build_binary_op): Likewise.
7201 * fold-const.c (fold_initializer): Remove.
7202 (fold_build1_initializer): New function.
7203 (fold_build2_initializer): New function.
7204 (fold_build3_initializer): New function.
7205 * tree.h (fold_initializer): Remove.
7206 (fold_build1_initializer): New function.
7207 (fold_build2_initializer): New function.
7208 (fold_build3_initializer): New function.
7210 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
7212 * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
7213 (try_move_mult_to_index): Call fold_build2 instead of build2.
7214 (fold_binary): Don't call fold after calls to try_move_mult_to_index.
7215 * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
7216 fold_binary_to_constant.
7217 (infer_loop_bounds_from_undefined): Call fold_build2 instead of
7218 fold (build.
7219 * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
7220 check if A == gcd (A, B). Remove TYPE argument.
7221 (analyze_offset) Use fold_build2 instead of fold (build.
7222 (create_data_ref): Likewise.
7223 (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
7224 * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
7225 then fold.
7227 2005-08-17 Kelley Cook <kcook@gcc.gnu.org>
7229 * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
7230 ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
7232 2005-08-16 Andrew Pinski <pinskia@physics.uc.edu>
7234 PR tree-opt/23402
7235 * gimplify.c (zero_sized_type): New function.
7236 (gimplify_modify_expr_rhs): If we have a zero sized type,
7237 replace the statement with an empty statement.
7239 2005-08-16 H.J. Lu <hongjiu.lu@intel.com>
7241 * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
7242 fxsave.
7244 2005-08-16 Ian Lance Taylor <ian@airs.com>
7246 * doc/tm.texi (Label Output): Correct typo.
7248 2005-08-16 Steven Bosscher <stevenb@suse.de>
7250 PR target/23376
7251 * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
7252 force_operand will work later on using have_insn_for.
7254 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7256 * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
7258 2005-08-16 Ian Lance Taylor <ian@airs.com>
7260 PR c++/23337
7261 * gimplify.c (gimplify_init_ctor_eval): If we see an element of
7262 vector type, don't try to construct it element by element. Add an
7263 assertion that we use a FIELD_DECL when building a COMPONENT_REF.
7265 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7267 * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
7269 2005-08-16 Geoffrey Keating <geoffk@apple.com>
7271 * doc/invoke.texi (Precompiled Headers): Document some more options
7272 which are known to be safe.
7274 2005-08-16 James E Wilson <wilson@specifix.com>
7276 PR tree-optimization/21105
7277 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
7278 TREE_OVERFLOW check.
7280 2005-08-16 David Edelsohn <edelsohn@gnu.org>
7282 * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
7283 (neg_ltu<mode>): Same.
7284 (gtu<mode>): Same.
7285 (neg_gtu<mode>): Same.
7287 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7289 * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
7290 (fold_builtin_isdigit): Use fold_buildN.
7291 (build_function_call_expr): Likewise.
7292 * c-typeck.c (c_finish_loop): Likewise.
7294 2005-08-16 J"orn Rennecke <joern.rennecke@st.com>
7295 Richard Shann <rshann@superh.com>
7297 PR middle-end/20396:
7298 * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
7300 2005-08-16 Sebastian Pop <pop@cri.ensmp.fr>
7302 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
7304 2005-08-15 Richard Earnshaw <richard.earnshaw@arm.com>
7306 PR target/23355
7307 * arm.c (thumb_compute_save_reg_mask): Use similar logic to
7308 arm_compure_save_reg0_reg12_mask to determine when the PIC register
7309 must be saved.
7311 2005-08-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7313 PR middle-end/23369
7314 * fold-const.c (build_range_check): Disable optimization for function
7315 pointer expressions on targets that require function pointer
7316 canonicalization.
7318 2005-08-15 Ulrich Weigand <uweigand@de.ibm.com>
7320 * simplify-rtx.c (simplify_const_relational_operation): When
7321 extracting arguments of a COMPARE, recompute the mode as well.
7323 2005-08-15 Ian Lance Taylor <ian@airs.com>
7325 * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
7327 2005-08-15 DJ Delorie <dj@redhat.com>
7329 * config/m32c/mov.md (movqi_op): Immediates can't be moved to
7330 the stack.
7331 (movsi_splittable): Allow, but split, moves to the stack.
7332 * config/m32c/m32c.c (m32c_split_move): Always split moves to the
7333 stack.
7335 2005-08-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7337 * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
7338 * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
7339 * system.h (HOST_PTR_PRINTF): Don't define, poison it.
7341 * bitmap.c, c-decl.c, config/i386/i386-interix.h,
7342 config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
7343 Delete HOST_PTR_PRINTF.
7345 * configure, config.in: Regenerate.
7347 2005-08-15 David Edelsohn <edelsohn@gnu.org>
7349 * config/rs6000/rs6000.md (QHSI): New mode macro.
7350 (wd): Extend mode attr for QImode and HImode
7351 (dbits): New mode attr.
7352 (zero_extend<mode>di2): Convert to mode macro.
7354 2005-08-15 Steve Ellcey <sje@cup.hp.com>
7356 PR target/21841
7357 * doc/invoke.texi (-mgnu-ld): Update description.
7358 (-mhp-ld): Ditto.
7360 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
7362 PR 23391
7363 * Makefile.in (tree-chrec.o): Depends on real.h.
7364 * tree-chrec.c: Include real.h.
7365 (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
7366 chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
7367 * tree-scalar-evolution.c (add_to_evolution_1,
7368 interpret_rhs_modify_expr): Ditto.
7370 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
7372 PR 23386
7373 * tree-data-ref.c (estimate_niter_from_size_of_data): When
7374 step is negative compute the estimation from init downwards to zero.
7376 2005-08-14 James A. Morrison <phython@gcc.gnu.org>
7378 * fold-const (fold_binary): Call fold_build2 instead of fold (build.
7380 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
7382 * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
7383 constraint.
7384 (legitimate_reload_constant_p): Fix handling of lliXX operands.
7385 Accept double-word constants that can be split.
7386 * config/s390/s390.md ("movti"): Use 'P' constraint.
7387 ("*movdi_31", "*movdf_31"): Likewise.
7389 2005-08-14 Daniel Berlin <dberlin@dberlin.org>
7391 Fix PR tree-optimization/22615
7393 * tree-ssa-structalias.c (solution_set_add): Handle
7394 first_vi_for_offset returning NULL.
7395 (do_da_constraint): Ditto.
7396 (do_sd_constraint): Ditto.
7397 (do_ds_constraint): Ditto
7398 (find_func_aliases): Ditto.
7399 (build_constraint_graph): RHS is allowed be ANYTHING.
7400 (first_vi_for_offset): Return NULL if we couldn't find anything at
7401 the offset.
7403 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
7405 * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
7406 over memory as first operand.
7408 2005-08-14 H.J. Lu <hongjiu.lu@intel.com>
7410 PR target/23360
7411 * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
7412 available for setting it.
7414 2005-08-14 Ira Rosen <irar@il.ibm.com>
7416 PR tree-optimization/23320
7417 * tree-data-ref.c (base_addr_differ_p): Add comment. Check
7418 data-refs' types instead of base object nullness. Add check for
7419 pointer type data-refs before first location comparison. Remove
7420 assert.
7422 2005-08-14 Andreas Schwab <schwab@suse.de>
7424 * doc/md.texi (Machine Constraints): Fix misplaced @end table.
7426 2005-08-13 James E Wilson <wilson@specifix.com>
7428 * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
7429 * doc/invoke.texi (-Wstack-protector, -fstack-protector,
7430 -fstack-protector-all, --param ssp-buffer-size): Document.
7431 (-Wvariadic-macros): Alphabetize.
7432 (-fsched-stalled-insns-dep): Add missing 'f'.
7434 * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
7435 macros.
7437 2005-08-13 David Edelsohn <edelsohn@gnu.org>
7439 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
7440 or indirect address operand.
7441 (EXTRA_ADDRESS_CONSTRAINT): New.
7442 * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
7444 2005-08-13 Sebastian Pop <pop@cri.ensmp.fr>
7446 PR tree-optimization/22236
7447 * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
7448 successors and predecessors.
7449 * tree-chrec.c (chrec_convert): Before converting, check that
7450 sequences don't wrap.
7451 * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
7452 (analyze_array): Extern.
7453 (find_data_references_in_loop): Remove call to
7454 compute_estimated_nb_iterations.
7455 * tree-data-ref.h (analyze_array): Declared.
7456 * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
7457 single_ssa_def_operand, zero_ssa_operands): Fix documentation.
7458 * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
7459 * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
7460 condition.
7461 * tree-ssa-loop-ivcanon.c: Fix documentation.
7462 * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
7463 * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
7464 (infer_loop_bounds_from_undefined): New.
7465 (estimate_numbers_of_iterations_loop): Use
7466 infer_loop_bounds_from_undefined.
7467 (used_in_pointer_arithmetic_p): New.
7468 (scev_probably_wraps_p): Pass an extra parameter. Call
7469 used_in_pointer_arithmetic_p. Check that AT_STMT is not null.
7470 (convert_step): Fix documentation.
7471 * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
7472 Use initial_condition_in_loop_num and evolution_part_in_loop_num
7473 instead of CHREC_LEFT and CHREC_RIGHT. Adjust the call to
7474 scev_probably_wraps_p.
7476 2005-08-13 Ulrich Weigand <uweigand@de.ibm.com>
7478 * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
7479 (s390_register_info): Ignore clobbered_regs information for fixed
7480 registers, and only fixed registers.
7481 (s390_init_frame_layout): Remove redundant call.
7483 2005-08-12 Gerald Pfeifer <gerald@pfeifer.com>
7485 * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
7486 description of -Wold-style-casts.
7488 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
7489 Jakub Jelinek <jakub@redhat.com>
7491 * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
7492 * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
7493 * config/s390/s390.c (print_operand): New output modifier 'G' added.
7494 (get_thread_pointer): Renamed to s390_get_thread_pointer.
7495 * config/s390/s390.md (stack_protect_set, stack_protect_test): If
7496 TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
7497 (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
7498 (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
7499 ("stack_protect_set", "stack_protect_test"): New expanders.
7500 ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
7501 "stack_protect_testdi"): New insn definitions.
7503 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
7505 * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
7507 2005-08-12 Paul Brook <paul@codesourcery.com>
7509 * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
7511 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
7513 * config/s390/predicates.md (setmem_operand): New predicate.
7514 (shift_count_operand): Accept ANDs with special constants as
7515 operand.
7516 * config/s390/s390.c (print_shift_count_operand): Skip ANDs
7517 with special constants.
7518 * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
7519 shift_count_operand with setmem_operand.
7521 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
7523 * config/s390/s390.c (s390_extract_part, s390_single_part):
7524 Type cast added.
7525 (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
7526 (s390_output_mi_thunk): Don't use lg on 31 bit.
7527 * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
7528 ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
7530 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
7532 * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
7533 (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
7534 s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
7535 s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
7536 with one of the new macros.
7538 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
7540 * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
7541 Don't set save_return_addr_p.
7542 (s390_register_info): Make clobbered_regs not depending on
7543 save_return_addr_p.
7545 2005-08-12 Kaz Kojima <kkojima@gcc.gnu.org>
7547 * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
7548 (LINK_COMMAND_SPEC): Add space after %(link_ssp).
7550 2005-08-11 James E. Wilson <wilson@specifix.com>
7552 * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
7554 2005-08-11 Jakub Jelinek <jakub@redhat.com>
7556 * dwarf2out.c (add_location_or_const_value_attribute): Prefer
7557 locations gathered by var-tracking in single entry loc_list
7558 over loc_descriptor_from_tree.
7560 * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
7561 pass it down to loc_descriptor.
7562 (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
7563 (containing_function_has_frame_base): Move earlier in the file.
7564 (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
7565 instead of always assuming fbreg can't be used.
7567 2005-08-11 David Edelsohn <edelsohn@gnu.org>
7569 * config/rs6000/altivec.md: Change constraint "m" to "Z".
7570 * config/rs6000/predicates.md (indexed_or_indirect_operand):
7571 Accept address wrapped in AND for Altivec.
7572 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
7573 Strip AND wrapping offset address for Altivec.
7575 2005-08-11 Richard Henderson <rth@redhat.com>
7577 PR middle-end/23312
7578 * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
7579 before using TYPE_IS_SIZETYPE.
7581 2005-08-11 Richard Henderson <rth@redhat.com>
7583 PR target/22225
7584 * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
7585 insn types not present on ev4.
7586 (alphaev5_insn_pipe): Similarly.
7588 2005-08-11 Richard Earnshaw <richard.earnshaw@arm.com>
7590 PR target/23250
7591 * arm.c (arm_override_options): If the user has selected callee-super-
7592 interworking, then enable normal interworking.
7594 2005-08-11 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7596 * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
7597 redefinition.
7599 2005-08-11 Wu Zhou <woodzltc@cn.ibm.com>
7601 * doc/rtl.texi: Fix two typos.
7603 2005-08-11 Richard Guenther <rguenther@suse.de>
7605 PR target/23289
7606 * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
7607 cases where we call to/from functions returning void.
7609 2005-08-10 James A. Morrison <phython@gcc.gnu.org>
7611 PR c++/23225
7612 * tree.c (build_pointer_type_for_mode): Robustify.
7614 2005-08-10 James E Wilson <wilson@specifix.com>
7616 * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
7617 (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
7619 * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
7620 "cum->".
7622 2005-08-10 Eric Christopher <echristo@apple.com>
7624 * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
7625 * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
7626 V2DFmode.
7628 2005-08-10 Andrew Pinski <pinskia@physics.uc.edu>
7630 PR target/21887
7631 * config/darwin.c (machopic_indirect_data_reference): Use a new register
7632 for the high part when generating dynamic-no-pic code.
7634 2005-08-10 H.J. Lu <hongjiu.lu@intel.com>
7636 * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
7637 (x86_64-*-linux*): Likewise.
7639 * config/i386/crtfastmath.c: New file.
7640 * config/i386/t-crtfm: Likewise.
7642 * config/i386/linux.h (ENDFILE_SPEC): New.
7643 * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
7645 * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
7646 crtfastmath.o.
7648 2005-08-10 Dorit Nuzman <dorit@il.ibm.com>
7650 * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
7651 (vec_shl, vec_shr): Document new operations.
7652 * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
7654 2005-08-10 David Edelsohn <edelsohn@gnu.org>
7656 * config/rs6000/predicates.md (indexed_or_indirect_address): New.
7657 * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
7658 change predicate to indexed_or_indirect_address.
7660 2005-08-10 Richard Sandiford <richard@codesourcery.com>
7662 * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
7663 * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
7664 __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
7665 and __aeabi_uwrite8.
7666 * config/arm/unaligned-funcs.c: New file.
7667 * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
7669 2005-08-09 Paolo Bonzini <bonzini@gnu.org>
7671 * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
7672 Add dump.
7673 * cfglayout.c (pass_insn_locators_initialize): Add dump.
7674 * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
7675 Add dump.
7676 * except.c (pass_convert_to_eh_region_ranges): Add dump.
7677 * final.c (pass_shorten_branches): Add dump.
7678 * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
7679 (pass_life): Rename dump.
7680 (rest_of_handle_flow2): Remove initial verify_flow_info.
7681 * function.c (pass_instantiate_virtual_regs): Add dump.
7682 * integrate.c (pass_initial_value_sets): Add dump.
7683 * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
7684 * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
7685 (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
7686 pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
7687 (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
7688 gate_rtl_unrool_and_peel_loops): New.
7689 (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
7690 rtl_doloop): Do not look at flags.
7691 * mode-switching.c (pass_mode_switching): Add dump.
7692 * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
7693 pass_split_before_regstack): Add dump.
7694 * regmove.c (pass_stack_adjustments): Add dump.
7695 * tree-optimize.c (pass_fixup_cfg): Add dump.
7697 2005-08-10 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
7699 PR 23309
7700 * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
7701 deciding which instruction sequence to use.
7703 2005-08-09 Dorit Nuzman <dorit@il.ibm.com>
7705 * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
7706 BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
7708 2005-08-09 Richard Guenther <rguenther@suse.de>
7710 * c-common.c (builtin_function_2): Remove.
7711 (def_builtin_1): New function.
7712 (c_common_nodes_and_builtins): Use def_builtin_1 to
7713 build builtin functions.
7715 2005-08-09 Jie Zhang <jie.zhang@analog.com>
7717 * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
7718 * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
7719 * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
7720 Visual DSP.
7722 2005-08-09 James A. Morrison <phython@gcc.gnu.org>
7724 * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
7725 fold_binary instead of fold_build2 since we don't care about the
7726 resulting tree.
7727 (loop_niter_by_eval): Likewise.
7728 (compare_trees): Likewise.
7729 (proved_non_wrapping_p): Likewise.
7731 2005-08-09 James A. Morrison <phython@gcc.gnu.org>
7733 PR c/23161
7734 PR c/23165
7735 * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
7736 if the if is really empty.
7738 2005-08-09 Steven Bosscher <stevenb@suse.de>
7740 PR tree-optimization/23234
7741 * tree-ssa-math-opts.c (place_reciprocal): New enum.
7742 (execute_cse_reciprocals_1): Replace the 'phi' argument with an
7743 argument of the new enum.
7744 (execute_cse_reciprocals): Add reciprocals for function arguments
7745 on the unique successor edge of the entry block. Update other calls
7746 to execute_cse_reciprocals_1.
7748 2005-08-08 Richard Henderson <rth@redhat.com>
7750 PR 22439
7751 * gimplify.c (gimplify_one_sizepos): Preserve the original type.
7753 2005-08-08 Bob Wilson <bob.wilson@acm.org>
7755 * expr.c (write_complex_part): Return after handling MEM.
7757 2005-08-08 Josh Conner <jconner@apple.com>
7759 PR rtl-optimization/23241
7760 * combine.c (simplify_comparison): Fix error in determining
7761 whether to lift a subreg from comparison.
7763 2005-08-08 David Edelsohn <edelsohn@gnu.org>
7765 PR target/18506
7766 * config/rs6000/altivec.md (vec_init<mode>): New.
7767 (vec_set<mode>): New.
7768 (vec_extract<mode>): New.
7769 * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
7770 (rs6000_expand_vector_set): New.
7771 (rs6000_expand_vector_extract): New.
7772 (rs6000_legitimate_offset_address_p): Offset addresses are valid
7773 for Altivec modes before reload.
7774 (altivec_expand_vec_init_builtin): New.
7775 (get_element_number): New.
7776 (altivec_expand_vec_set_builtin): New.
7777 (altivec_expand_vec_ext_builtin): New.
7778 (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
7779 builtins.
7780 (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
7781 builtins.
7782 * config/rs6000/rs6000.h (rs6000_builtins): Add
7783 ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
7784 ALTIVEC_BUILTIN_VEC_EXT_<mode>.
7785 * config/rs6000/rs6000-protos.h: Declare new functions.
7787 2005-08-08 Jan Hubicka <jh@suse.cz>
7789 * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
7790 (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
7791 * i386.md (movdi*): Use pic_32bit_operand.
7792 * predicates.md (pic_32bit_operand): New.
7794 2005-08-08 Nathan Sidwell <nathan@codesourcery.com>
7796 PR c++/21166
7797 * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
7799 2005-08-07 James A. Morrison <phython@gcc.gnu.org>
7801 * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
7802 (test_for_singularity): Use fold_build2.
7804 2005-08-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7806 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
7808 2005-08-07 Danny Smith <dannysmith@users.sourceforge.net>
7810 * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
7811 (COMMON_ASM_OP) Define.
7812 * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
7813 (ix86_encode_section_info): Likewise.
7814 (TARGET_ENCODE_SECTION_INFO): Conditionally define as
7815 SUBTARGET_ENCODE_SECTION_INFO.
7817 2005-08-06 Richard Henderson <rth@redhat.com>
7819 PR 21894
7820 * tree-nested.c (convert_local_reference): Save and restore val_only
7821 around component_ref and friends. Clear walk_subtrees by default.
7823 2005-08-06 Peter O'Gorman <peter@pogma.com>
7825 PR 21366
7826 * gcc.c (process_command): Check the argument to -b has a dash.
7827 * doc/invoke.texi: Update -b and -V docs.
7829 2005-08-06 James E Wilson <wilson@specifix.com>
7831 * config/mips/cross64.h, config/mips/t-cross64: Delete.
7833 2005-08-06 Michael Matz <matz@suse.de>
7835 * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
7836 member only if only one insn is associated with the value.
7838 2005-08-06 Nick Clifton <nickc@redhat.com>
7840 * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
7841 New define.
7842 (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
7843 * config/stormy16/stormy16.c (xstormy16_below100_symbol):
7844 Check symbol flags instead of symbol name mangling.
7845 (xstormy16_asm_output_aligned_common): Likewise. Also
7846 simplify code since the bss100_section cass is the only case
7847 where the below100 code will be triggered.
7848 (xstormy16_encode_section_info): Encode below100 attribute
7849 using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
7850 the name.
7851 (xstormy16_strip_name_encoding): Delete - this function is no
7852 longer needed.
7853 (TARGET_STRIP_NAME_ENCODING): Undefine.
7854 * config/stormy16/stormy16-protos.h: Delete prototype for
7855 xstormy16_strip_name_encoding.
7857 2005-08-06 Kazu Hirata <kazu@codesourcery.com>
7859 * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
7860 config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
7861 tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
7862 config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
7863 config/alpha/predicates.md, config/arc/arc.h,
7864 config/arm/arm.h, config/arm/ieee754-df.S,
7865 config/arm/ieee754-sf.S, config/bfin/bfin.c,
7866 config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
7867 config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
7868 config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
7869 config/m68hc11/m68hc11.h, config/mips/mips.c,
7870 config/mips/mips.h, config/mips/openbsd.h,
7871 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
7872 config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
7873 config/rs6000/rs6000.c, config/rs6000/rs6000.h,
7874 config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
7875 config/sparc/linux.h, config/sparc/linux64.h,
7876 config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
7877 doc/extend.texi, doc/gcov.texi, doc/install.texi,
7878 doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
7879 typos. Follow spelling conventions.
7881 2005-08-06 Joseph S. Myers <joseph@codesourcery.com>
7883 PR c/23113
7884 * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
7885 Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
7886 specially. Check for side effects only for COND_EXPR.
7887 * c-typeck.c (c_finish_stmt_expr): Mark statement expression
7888 return with TREE_NO_WARNING.
7890 2005-08-06 Richard Sandiford <richard@codesourcery.com>
7892 PR rtl-optimization/23233
7893 * loop.c (combine_movables): Require the modes to be the same.
7894 (move_movables): Remove handling of cases where the replacement
7895 had a different mode to the original.
7897 2005-08-05 James A. Morrison <phython@gcc.gnu.org>
7899 PR tree-optimization/23128
7900 * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
7901 subtraction wrap, and set TREE_OVERFLOW if they do.
7903 2005-08-05 Richard Henderson <rth@redhat.com>
7905 PR 21728
7906 * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
7907 FORCED_LABEL labels.
7909 2005-08-05 J"orn Rennecke <joern.rennecke@st.com>
7911 PR middle-end/23135
7912 * reload.c (find_reloads_subreg_address): Pass down TYPE
7913 unchanged. Change all callers except find_reloads_toplev.
7915 2005-08-05 Michael Matz <matz@suse.de>
7917 * genattrtab.c (current_alternative_string): Remove.
7918 (SIMPLIFY_ALTERNATIVE): Ditto.
7919 (attr_alt_bit_p): Ditto.
7920 (alternative_name): Make const char *.
7921 (evaluate_eq_attr): Remove use of above things.
7922 (simplify_test_exp): Ditto.
7923 (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
7924 (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
7926 2005-08-04 James E Wilson <wilson@specifix.com>
7928 * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
7929 config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
7930 config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
7931 config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
7932 (LINK_SPEC): Delete useless %{Wl,*:%*} item.
7934 2005-08-04 Richard Henderson <rth@redhat.com>
7936 PR 21529
7937 * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
7938 * params.h (SRA_MAX_STRUCTURE_COUNT): New.
7939 * tree-sra.c (decide_block_copy): Use it. Disable element copy
7940 if we'd have to instantiate too many members.
7942 2005-08-04 Richard Henderson <rth@redhat.com>
7944 PR 21291
7945 * tree-outof-ssa.c (coalesce_asm_operands): New.
7946 (coalesce_ssa_name): Use it. Split out ...
7947 (coalesce_phi_operands, coalesce_result_decls): ... these.
7949 2005-08-04 Paul Brook <paul@codesourcery.com>
7951 * read-rtl.c (read_quoted_string): Break if EOF.
7953 2005-08-04 Andrew Pinski <pinskia@physics.uc.edu>
7955 * tree.h (fold_build1): Change to macro and call fold_build1_stat.
7956 (fold_build2): Likewise.
7957 (fold_build3): Likewise.
7958 (fold_build1_stat): New function prototype.
7959 (fold_build2_stat): Likewise.
7960 (fold_build3_stat): Likewise.
7961 * fold-const.c (fold_build1): Rename to ..
7962 (fold_build1_stat): this. Add MEM_STAT_DECL. Pass the mem stats
7963 through to build1_stat.
7964 (fold_build2): Rename to ..
7965 (fold_build2_stat): this. Add MEM_STAT_DECL. Pass the mem stats
7966 through to build2_stat.
7967 (fold_build3): Rename to ..
7968 (fold_build3_stat): this. Add MEM_STAT_DECL. Pass the mem stats
7969 through to build3_stat.
7971 2005-08-04 David Edelsohn <edelsohn@gnu.org>
7972 Ian Lance Taylor <ian@airs.com>
7974 * function.c (assign_stack_local_1): Do not correct stack slot
7975 address if allocation size is smaller than mode size.
7977 2005-08-04 Diego Novillo <dnovillo@redhat.com>
7979 PR 22037
7980 * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
7981 (tree_merge_blocks): Propagate anything allowed by
7982 may_propagate_copy.
7983 Clarify documentation.
7984 * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
7985 SSA form, schedule an update if necessary.
7987 2005-08-04 Gerald Pfeifer <gerald@pfeifer.com>
7989 * doc/install.texi (Binaries): Remove broken link to
7990 Sinix/Reliant Unix binaries.
7992 2005-08-03 Richard Henderson <rth@redhat.com>
7994 PR 23221
7995 * function.c (stack_protect_epilogue): Export.
7996 * tree.h (stack_protect_epilogue): Declare.
7997 * calls.c (expand_call): Call it.
7999 2005-08-03 Eric Christopher <echristo@apple.com>
8001 * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
8002 * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
8003 spec.
8005 2005-08-04 Jan Hubicka <jh@suse.cz>
8007 * profile.c (branch_prob): Split edges with goto locus on them
8008 to get proper line counts.
8009 * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
8011 2005-08-03 Paul Brook <paul@codesourcery.com>
8013 * function.c (assign_parms): Round current_function_args_size
8014 to PARM_BOUNDARY, not STACK_BOUNDARY.
8016 2005-08-03 Geoffrey Keating <geoffk@apple.com>
8018 * config/i386/i386.c (x86_elf_aligned_common)
8019 (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
8021 2005-08-03 Zdenek Dvorak <dvorakz@suse.cz>
8023 PR tree-optimization/23157
8024 * tree-scalar-evolution.c (scev_const_prop): Unshare trees
8025 before emitting them.
8027 2005-08-03 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8029 PR tree-optimization/19899
8030 * Makefile.in (tree-scalar-evolution.o): Add real.h.
8031 * tree-scalar-evolution.c: Include real.h.
8032 (add_to_evolution): Build constant -1 of correct type.
8034 2005-08-03 Jan Hubicka <jh@suse.cz>
8036 * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
8037 * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
8038 profile updating for complette unrolling.
8039 * loop-unroll.c (peel_loop_completely): Use it.
8040 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
8041 (tree_unroll_loops_completely): Disable code growing unrolling of cold
8042 loops.
8044 2005-08-03 Paul Brook <paul@codesourcery.com>
8046 * combine.c (can_change_dest_mode): New function.
8047 (try_combine, simplify_set): Use it.
8049 2005-08-03 Eric Botcazou <ebotcazou@adacore.com>
8051 * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
8052 TFmode to BLKmode.
8054 2005-08-03 Gerald Pfeifer <gerald@pfeifer.com>
8056 * doc/install.texi (Specific): Adjust link to openavr.org.
8057 (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
8058 (Binaries): Adjust HP-UX Porting Center link.
8059 (Binaries): Adjust Free Software Foundation ordering link.
8061 2005-08-03 Andrew Pinski <pinskia@physics.uc.edu>
8063 * convert.c (convert_to_integer): Use fold_build1 instead of
8064 build1 when converting an integer to an integer.
8066 2005-08-02 Richard Henderson <rth@redhat.com>
8068 * combine.c (combine_instructions): Don't use reg_equal/equiv
8069 results if the mode doesn't match.
8071 2005-08-02 Mark Mitchell <mark@codesourcery.com>
8073 * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
8074 * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
8076 2005-08-02 Richard Henderson <rth@redhat.com>
8078 PR 23196
8079 * explow.c (memory_address): Remove special-case for
8080 virtual_stack_vars_rtx and virtual_incoming_args_rtx.
8082 2005-08-02 Diego Novillo <dnovillo@redhat.com>
8084 PR 23164
8085 * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
8086 number of calls to cleanup_tree_cfg_1.
8088 2005-08-02 Martin Reinecke <martin@mpa-garching.mpg.de>
8090 * doc/invoke.texi: document file extensions .F90 and .F95
8092 2005-08-02 Richard Guenther <rguenther@suse.de>
8094 * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
8095 positive if its first argument is positive.
8097 2005-08-02 Richard Guenther <rguenther@suse.de>
8099 PR tree-optimization/23177
8100 * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
8101 on TMR_TAG.
8103 2005-08-02 James A. Morrison <phython@gcc.gnu.org>
8105 PR tree-optimization/23129
8106 * tree-vrp.c (extract_range_from_binary_expr): Set value range to
8107 varying for divisions with anti-ranges.
8109 2005-08-02 Jan Hubicka <jh@suse.cz>
8111 * tree-ssa-dom.c (thread_across_edge): Remove updating here.
8112 * tree-ssa-threadupdate.c (thread_block): Add it here.
8114 2005-08-01 James E Wilson <wilson@specifix.com>
8116 * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
8117 TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
8118 * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
8119 New.
8120 * config/mips/predicates.md (const_call_insn_operand): Add check for
8121 SYMBOL_REF_LONG_CALL_P.
8122 * doc/extend.texi (long_call): Document the new attribute.
8124 2005-08-01 Ian Lance Taylor <ian@airs.com>
8125 Richard Henderson <rth@redhat.com>
8127 * Makefile.in (RTL_BASE_H): Add real.h.
8128 * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
8129 instead of memcpy.
8130 * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
8131 directly.
8132 * rtl.c (rtl_check_failed_code_mode): New.
8133 * rtl.h (struct rtx_def): Add u.rv.
8134 (XCMWINT, XCNMPRV): New.
8135 (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
8136 (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
8138 2005-08-01 Richard Henderson <rth@redhat.com>
8140 * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
8141 with auto-inc codes.
8143 * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
8145 2005-08-01 Jan Hubicka <jh@suse.cz>
8147 * i386-protos.h (asm_preferred_eh_data_format): Declare.
8148 * i386.c: Include dwarf2.h
8149 (asm_preferred_eh_data_format): New.
8150 * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
8152 2005-08-01 Ian Lance Taylor <ian@airs.com>
8154 * config/host-linux.c (linux_gt_pch_get_address): Add new name
8155 randomize_va_space for virtual address randomization control.
8157 2005-08-01 Steven Bosscher <stevenb@suse.de>
8159 * common.opt (flag_ipa_cp): Put in right place to maintain
8160 alphabetic sort.
8162 2005-08-01 Jan Hubicka <jh@suse.cz>
8164 * profile.c (compute_value_histograms): Fix thinko.
8165 * value-prof.c: Include toplev.h
8166 (check_counter): New function.
8167 (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
8168 tree_mod_subtract_transform): Add sanity check.
8170 2005-08-01 Richard Guenther <rguenther@suse.de>
8172 PR tree-optimization/23133
8173 * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
8174 current functions parameter decls to find defs to cse
8175 reciprocals of.
8177 2005-08-01 Richard Guenther <rguenther@suse.de>
8179 PR tree-optimization/23109
8180 * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
8181 If trapping math is in effect, use post-dominator information
8182 to check if we'd in any case reach a trapping point before
8183 doing the reciprocal insertion.
8184 (execute_cse_reciprocals): Compute post-dominators, if necessary.
8185 * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
8186 expressions are invariant only if trapping math is not in effect.
8188 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
8190 * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
8191 cgraph_function_versioning): New declarations.
8192 * cgraphunit.c: Add include to ipa-prop.h.
8193 (update_call_expr, cgraph_copy_node_for_versioning,
8194 cgraph_function_versioning): New functions.
8195 * integrate.c (copy_decl_for_inlining): Remove.
8196 * ipa-prop.h (ipa_replace_map): New struct.
8197 (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
8198 * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
8199 ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
8200 ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
8201 ipcp_iterate_stage, ipcp_method_scale_print,
8202 ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
8203 ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
8204 ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
8205 ipcp_update_bb_counts, ipcp_update_profiling,
8206 ipcp_update_edges_counts): New functions.
8207 (ipcp_method_cval_init): Remove restriction regarding local methods.
8208 (ipcp_init_stage): Add ipcp_method_compute_scale.
8209 (ipcp_insert_stage): Add versioning.
8210 (ipcp_structures_print): Add ipcp_method_scale_print.
8211 (ipcp_driver): Dump profiling info.
8212 * Makefile.in: Remove integrate.h dependency from tree-inline.o.
8213 Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
8214 * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
8215 (struct inline_data): Add versioning_p, ipa_info, new fields.
8216 (remap_decl, mark_local_for_remap_r, setup_one_parameter,
8217 declare_return_variable): Replace calls to copy_decl_for_inlining with
8218 copy_decl_for_dup.
8219 (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
8220 versioning support.
8221 (copy_decl_for_dup): Rename from copy_decl_for_inlining.
8222 Add argument VERSIONING.
8223 (copy_arguments_for_versioning, copy_static_chain,
8224 function_versionable_p, tree_versionable_function_p,
8225 tree_function_versioning, replace_ref_tree): New functions.
8226 * tree-inline.h: Include varray.h.
8227 (tree_versionable_function_p, tree_function_versioning,
8228 tree copy_decl_for_dup): New declarations.
8230 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
8232 * ipa-cp.c: New file. Contains IPCP specific functionality.
8233 * ipa-prop.h: New file. Contains structures/definitions that can be
8234 used by several interprocedural data flow optimizations (and also IPCP).
8235 * ipa-prop.c: New file.
8236 * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
8237 * common.opt: Add ipa-cp flag.
8238 * timevar.def: Add IPCP optimization.
8239 * tree-optimize.c (init_tree_optimization_passes): Schedule
8240 pass_ipa_cp.
8241 * tree-pass.h (pass_ipa_cp): Declare.
8243 2005-08-01 Kazu Hirata <kazu@codesourcery.com>
8245 * dwarf2out.c, fold-const.c, ipa-type-escape.c,
8246 loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
8247 tree-sra.c, config/arm/arm.c, config/crx/crx.c,
8248 config/i386/i386.c, config/mips/mips.h,
8249 config/rs6000/rs6000.h, config/sh/sh.c,
8250 config/stormy16/stormy16.c: Fix comment typos.
8252 2005-08-01 Joseph S. Myers <joseph@codesourcery.com>
8254 PR c/22311
8255 * c-typeck.c (build_binary_op): Use common_type wrapper on
8256 shortened types.
8257 (common_type): Update comment.
8259 2005-07-31 Steven Bosscher <stevenb@suse.de>
8261 PR target/23095
8262 * common.opt (flag_gcse_after_reload): Don't initialize to 2.
8263 (flag_rerun_cse_after_loop): Initialize this to 2 instead.
8264 * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
8266 2005-07-31 Jan Hubicka <jh@suse.cz>
8268 * pretty-print.h (pp_widest_integer): New macro.
8269 * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
8270 counts.
8272 2005-07-31 Jan Hubicka <jh@suse.cz>
8274 * output.h (enum section_category): Export from varasm.c
8275 (categorize_decl_for_section): Likewise.
8276 * varasm.c (enum section_category): Kill.
8277 (categorize_decl_for_section): Make global.
8278 * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
8279 Declare.
8280 * i386.c (ix86_section_threshold): New static variable.
8281 (ix86_in_large_data_p, ix86_encode_section_info,
8282 x86_64_elf_unique_section,
8283 x86_64_elf_select_section): New functions.
8284 (TARGET_ENCODE_SECTION_INFO): Define
8285 (override_options): Enable medium model for PIC.
8286 (ix86_expand_prologue): Expand gen_set_got_rex64.
8287 (legitimate_constant_p): Handle new UNSPECs.
8288 (legitimate_pic_address_disp_p): Likewise.
8289 (legitimize_pic_address): Lower MEDIUM model addressing.
8290 * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
8291 (enum cmodel): Add MEDIUM_PIC.
8292 (SYMBOL_REF_FAR_ADDR_P): New macro.
8293 (SYMBOL_FLAG_FAR_ADDR): New flag.
8294 * i386.md (movdi): Support medium model.
8295 (set_got_rex64): New pattern.
8296 * i386.opt (mlarge-data-threshold): New flag.
8297 * predicates.md (zext_operand/sext_operand): Deal with medium model.
8298 * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
8299 (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
8300 TARGET_ASM_UNIQUE_SECTION): New.
8302 * invoke.texi (-mlarge_data_threshold): Document
8304 2005-07-31 Jan Hubicka <jh@suse.cz>
8306 * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
8307 (coalesce_vars): Likewise.
8308 * tree-ssa-live.c (coalesce_cost): New.
8309 (build_tree_conflict_graph): Use coalesce_cost.
8310 * tree-ssa-live.h (coalesce_cost): Declare.
8312 2005-07-30 Richard Earnshaw <richard.earnshaw@arm.com>
8314 * arm.md (all peepholes for post-increment operations): Delete.
8315 (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
8316 (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
8317 (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
8318 (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
8319 (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
8321 2005-07-30 James A. Morrison <phython@gcc.gnu.org>
8323 * fold-const.c (tree_expr_nonnegative_p): Always return true for
8324 non-integral types.
8326 2005-07-29 Wolfgang Bangerth <bangerth@dealii.org>
8328 PR target/22582
8329 * doc/invoke.texi: Document -rdynamic.
8331 2005-07-30 Joseph S. Myers <joseph@codesourcery.com>
8333 PR c/23143
8334 * c-parser.c (c_parser_parms_list_declarator): Call
8335 mark_forward_parm_decls.
8336 * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
8337 decls with visibility structure.
8339 2005-07-30 Paul Brook <paul@codesourcery.com>
8341 * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
8343 2005-07-30 Paul Brook <paul@codesourcery.com>
8345 * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
8346 prototype.
8347 * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
8348 value for mode.
8349 * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
8351 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
8353 PR c/529
8354 * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
8355 nested function declarators.
8356 (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
8357 (grokparms): Call warn_if_shadowing for parameters used within the
8358 parameter list.
8359 (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
8360 not used within the parameter list.
8361 (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
8363 2005-07-30 Jan Hubicka <jh@suse.cz>
8365 * expr.c (expand_expr_real_1): Do not load mem targets into register.
8366 * i386.c (ix86_fixup_binary_operands): Likewise.
8367 (ix86_expand_unary_operator): Likewise.
8368 (ix86_expand_fp_absneg_operator): Likewise.
8369 * optabs.c (expand_vec_cond_expr): Validate dest.
8371 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
8373 PR c/21720
8374 * real.c (real_from_string): Also set last bit if there is a
8375 nonzero hex digit beyond GCC's internal precision after ".".
8377 2005-07-29 David Edelsohn <edelsohn@gnu.org>
8379 * config/rs6000/altivec.md: Convert UNSPEC numerical values to
8380 define_constants. Change duplicate values to unassigned numbers.
8381 Change UNSPEC_SUBS to UNSPEC_VSUBS.
8382 (*altivec_vspltsf): New.
8383 (altivec_vperm_v4sf): Delete.
8384 (altivec_vperm_<mode>): Use mode macro V.
8385 (altivec_vsldoi_<mode>): Convert to mode macro pattern.
8386 (altivec_predicate_v4sf): Delete.
8387 (altivec_predicate_<mode>): Use mode macro V.
8388 (*altivec_lvesfx): New.
8389 (*altivec_stvesfx): New.
8390 (vec_realign_load_v4sf): Delete.
8391 (vec_realign_load_<mode>): Use mode macro V.
8392 * config/rs6000/rs6000.c (generate_set_vrsave): Use
8393 UNSPECV_SET_VRSAVE.
8395 2005-07-29 Mark Mitchell <mark@codesourcery.com>
8397 PR bootstrap/23131
8398 * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
8399 string.
8400 * configure: Regenerated.
8402 2005-07-29 Paul Brook <paul@codesourcery.com>
8404 * doc/install.texi: Add link to GFortran binaries wiki page.
8406 2005-07-29 David Ung <davidu@mips.com>
8408 * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
8409 (mips_rtx_cost_data): Add costs for 5kc and 5kf.
8410 * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
8411 * config/mips/mips.md (cpu): Add 5kf name.
8412 (includes): Includes 5k.md.
8413 * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
8414 * doc/invoke.texi (MIPS Options): Updated cpu name supported with
8415 -march flag.
8417 2005-07-29 Diego Novillo <dnovillo@redhat.com>
8419 PR 22550
8420 * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
8421 (cleanup_tree_cfg): ... here.
8422 Call cleanup_tree_cfg_1 until there are no more cleanups to
8423 do.
8425 2005-07-29 James A. Morrison <phython@gcc.gnu.org>
8427 * tree-vrp.c (compare_range_with_value): Return true or false
8428 for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
8429 EQ_EXPR respectively.
8431 2005-07-29 Kazu Hirata <kazu@codesourcery.com>
8433 * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
8434 Fix comment typos.
8436 2005-07-29 Diego Novillo <dnovillo@redhat.com>
8438 * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
8439 (tree_ssa_dominator_optimize): Increment it.
8440 (dump_dominator_optimization_stats): Print it.
8442 2005-07-29 Richard Earnshaw <richard.earnshaw@arm.com>
8443 Steven Bosscher <stevenb@suse.de>
8445 PR rtl-optimization/23117
8446 * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
8447 when head == tail. Tidy comment.
8449 2005-07-28 Richard Henderson <rth@redhat.com>
8451 * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
8452 * cselib.c (rtx_equal_for_cselib_p): Likewise.
8453 * jump.c (rtx_renumbered_equal_p): Likewise.
8454 * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
8455 CONST_INT and CONST_DOUBLE.
8456 (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
8457 * reload.c (operands_match_p): Special case CONST_INT and
8458 CONST_DOUBLE; check mode earlier.
8460 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
8462 PR c/22240
8463 * c-typeck.c (convert_for_assignment): Do not check
8464 DECL_IN_SYSTEM_HEADER on NULL fundecl.
8466 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
8468 PR c/22192
8469 * c-typeck.c (composite_type): Prefer constant size arrays to
8470 VLAs.
8472 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
8474 PR c/21720
8475 * real.c (real_from_string): Set last bit if there is a nonzero
8476 hex digit beyond GCC's internal precision.
8478 2005-07-28 Richard Henderson <rth@redhat.com>
8480 PR rtl-opt/22619
8481 * cfgcleanup.c (try_forward_edges): Watch out for end of
8482 insn chain.
8484 2005-07-28 James E Wilson <wilson@specifixinc.com>
8486 PR c/23106
8487 * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
8489 2005-07-28 Jan Hubicka <jh@suse.cz>
8491 * Makefile.in (rtl-profile.o): Kill all traces of it.
8492 * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
8493 * coverage.h (rtl_coverage_counter_ref): Kill.
8494 * opts.c (flag_speculative_prefetching_set): Kill.
8495 (flag_loop_optimize_set): New.
8496 (common_handle_option): Disable loop optimizer when profiling;
8497 do not handle speculative prefetching.
8498 * passes.c (init_optimization_passes): Replace pass_profiling combo
8499 by branch_prob pass.
8500 * profile.c (compute_value_histograms): Update for simplified value
8501 profiles.
8502 (rtl_register_profile_hooks): Kill.
8503 (pass_profiling): Kill.
8504 (rest_of_handle_branch_prob): Do not profile.
8505 * toplev.c (process_options): Remove speculative prefetching.
8506 * toplev.h (flag_tree_based_profiling): Kill.
8507 * tree-profile.c (prepare_instrumented_value,
8508 tree_gen_interval_profiler, tree_gen_pow2_profiler,
8509 tree_gen_one_value_profiler, do_tree_profiling): Update for
8510 simplified datastructures.
8511 * value-prof.c: Add comment that speculative prefetching was dropped;
8512 update rest of file for simplified datastructures.
8513 (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
8514 rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
8515 find_mem_reference_1, find_mem_reference_2, find_mem_reference,
8516 rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
8517 rtl_mod_subtract, gen_speculative_prefetch,
8518 rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
8519 rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
8520 (gate_handle_value_profile_transformations,
8521 rest_of_handle_value_profile_transformations,
8522 pass_value_profile_transformations): Kill.
8523 * value-prof.h (histogram_value_t): Remove IL based unions.
8524 (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
8525 rtl_profile_hooks): Remove hooks.
8527 * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
8529 * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
8530 (cgraph_clone_node): Likewise.
8531 * cgraph.h (cgraph_clone_edge): Update prototype.
8532 (cgraph_clone_node): Likewise.
8533 * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
8534 cgraph_clone_node.
8535 (lookup_recursive_calls): Consider profile.
8536 (cgraph_decide_recursive_inlining): Fix updating; use new
8537 probability argument; use profile.
8538 * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
8539 * tree-inline.c (copy_bb): Update clal of clone_edge.
8540 * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
8542 * invoke.texi (min-inline-recursive-probability): Document.
8544 2005-07-28 Gerald Pfeifer <gerald@pfeifer.com>
8546 * doc/install.texi (Configuration): Update Valgrind homepage.
8548 2005-07-28 Richard Henderson <rth@redhat.com>
8550 PR middle-end/21362
8551 * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
8552 labels we want to delete.
8553 (cfg_layout_merge_blocks): Likewise.
8555 2005-07-28 Richard Henderson <rth@redhat.com>
8557 PR target/17692
8558 * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
8559 when expanding to nothing.
8561 2005-07-28 Josh Conner <jconner@apple.com>
8563 * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
8564 (cgraph_decide_inlining_of_small_functions): Likewise.
8566 2005-07-28 Josh Conner <jconner@apple.com>
8568 * ipa-inline.c (cgraph_edge_badness): Update comments. Invert shift
8569 direction of badness if negative.
8570 (cgraph_default_inline_p): Add reason to parameters, and assign it
8571 a value.
8572 (cgraph_decide_inlining_of_small_functions): New parameter in call
8573 to cgraph_default_inline_p.
8574 (cgraph_decide_inlining_incrementally): Likewise.
8575 * cgraphunit.c (decide_is_function_needed): Likewise.
8576 * cgraph.h (cgraph_default_inline_p): Likewise.
8578 2005-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8580 * builtins.c: Fix comment typo(s).
8581 * genautomata.c: Likewise.
8582 * gimplify.c: Likewise.
8583 * tree-dfa.c: Likewise.
8584 * tree-flow-inline.h: Likewise.
8585 * tree-into-ssa.c: Likewise.
8586 * tree-ssa-alias.c: Likewise.
8587 * tree-ssa-ccp.c: Likewise.
8588 * tree-ssa-copy.c: Likewise.
8589 * tree-ssa-dce.c: Likewise.
8590 * tree-ssa-dom.c: Likewise.
8591 * tree-ssa-operands.c: Likewise.
8592 * tree-tailcall.c: Likewise.
8593 * tree-vectorizer.c: Likewise.
8594 * tree-vrp.c: Likewise.
8595 * tree.c: Likewise.
8597 2005-07-28 Jeff Law <law@redhat.com>
8599 * tree-vrp.c (test_for_singularity): Extracted from ...
8600 (simplify_cond_using_ranges): Attempt to simplify a relational
8601 test to NE_EXPR. Dump information when a COND_EXPR is simplified.
8603 2005-07-28 Dorit Nuzman <dorit@il.ibm.com>
8605 PR tree-optimization/22506
8606 * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
8607 phis whose argument is constant.
8609 2005-07-28 J"orn Rennecke <joern.rennecke@st.com>
8611 PR rtl-optimization/18992
8612 Back out this patch:
8613 2003-10-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8614 PR optimization/12142
8615 * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
8616 uses of the register in the SET_SRC. Remove unnecessary argument.
8618 Replace it with this:
8619 * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
8620 if flag_non_call_exceptions is set and the insn may trap, pass
8621 pc_rtx as dest for recursion.
8622 In SET_SRC part of SET case, if dest is already set, pass it down
8623 unchanged.
8625 2005-07-28 Jan Hubicka <jh@suse.cz>
8627 * cfg.c (update_bb_profile_for_threading): Use RDIV.
8628 (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
8629 (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
8630 roundoff errors.
8631 * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
8632 profile when available.
8634 2005-07-28 Jan Beulich <jbeulich@novell.com>
8636 * config/ia64/ia64.c (ia64_load_pair_ok): New.
8637 (ia64_print_operand): Describe and handle 'X'.
8638 (ia64_register_move_cost): Also handle FP_REGS.
8639 (ia64_preferred_reload_class): Likewise.
8640 (ia64_secondary_reload_class): Likewise.
8641 (ia64_dependencies_evaluation_hook): New local variable c. Initialize
8642 it. Also check for ITANIUM_CLASS_FLDP.
8643 * config/ia64/ia64.h (FP_REGNO_P): New.
8644 (HARD_REGNO_MODE_OK): Remove explusion of TImode.
8645 (reg_class): Add FP_REGS.
8646 (REG_CLASS_NAMES): Adjust for it.
8647 (REG_CLASS_CONTENTS): Likewise.
8648 (REGNO_REG_CLASS): Use FP_REGS where appropriate.
8649 (REG_CLASS_FROM_LETTER): Handle 'x'.
8650 (CLASS_MAX_NREGS): Handle FP_REGS.
8651 (MEMORY_MOVE_COST): Likewise.
8652 * config/ia64/ia64.md (itanium_class): Add fldp.
8653 (type): Handle fldp.
8654 (movti_internal): More allowable operand combinations. Use ldfp8 when
8655 splitting unnecessary. Remove predicable attribute. Adjust
8656 itanium_class attribute.
8657 (smuldi3_highpart): Remove outdated comment.
8658 (mulditi3, umulditi3, rotlti3): New expanders.
8659 (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
8660 (absti2): Disabled new insn for future reference.
8661 Respective new splitters.
8662 * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
8663 * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
8664 * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
8666 2005-07-25 James A. Morrison <phython@gcc.gnu.org>
8668 PR rtl-optimization/23047
8669 * simplify-rtx.c (simplify_const_relational_operation): Respect
8670 flag_wrapv for comparisons with ABS.
8672 2005-07-27 James A. Morrison <phython@gcc.gnu.org>
8674 PR tree-optimization/22493
8675 * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
8676 VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
8678 2005-07-27 Aldy Hernandez <aldyh@redhat.com>
8680 * config/frv/frv.opt (moptimize-membar): New.
8682 * doc/invoke.texi: Document -moptimize-membar and its inverse.
8684 * config/frv/frv.h: Remove machine_function definition.
8686 * config/frv/frv.c (struct frv_io): New.
8687 (struct machine_function): Moved from frv.h. Add has_membar_p.
8688 (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
8689 (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
8690 (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
8691 (frv_optimize_membar_global, frv_optimize_membar): New functions.
8692 (frv_reorg): Call frv_optimize_membar when appropriate.
8693 (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
8694 (frv_expand_builtin): Adjust calls accordingly.
8695 (frv_io_address_cookie): New function.
8696 (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
8697 load or store rather than a special insn. Add ccnstant address and
8698 io-type operands to the membar.
8699 (frv_ifcvt_modify_tests): Unsign regno.
8700 (frv_ifcvt_modify_tests): Same.
8702 * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}. Change
8703 UNSPEC_OPTIONAL_MEMBAR constant.
8704 (builtin_read_<mode>): Delete.
8705 (builtin_write_<mode>): Delete.
8706 ("optional_membar_<mode>"): Add operand.
8708 * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
8709 * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
8710 * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
8711 * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
8712 * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
8713 * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
8714 * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
8715 * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
8716 * testsuite/gcc.target/frv/all-read-write-1.c: New.
8718 2005-07-28 Kaz Kojima <kkojima@gcc.gnu.org>
8720 * df.c (df_uses_record): Handle SCRATCH.
8722 2005-07-28 Steven Bosscher <stevenb@suse.de>
8724 PR debug/20161
8725 * passes.c (rest_of_decl_compilation): If decl is a type and
8726 we have encountered errors, don't emit debug information.
8728 2005-07-27 Kenneth Zadeck <zadeck@naturalbridge.com>
8730 * params.def: Fixed comment.
8732 2005-07-27 Bjoern Haase <bjoern.m.haase@web.de>
8734 PR target/19885
8735 * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
8736 (TARGET_ASM_UNALIGNED_HI_OP): Add.
8737 (TARGET_ASM_UNALIGNED_SI_OP): Add.
8739 2005-07-27 Steven Bosscher <stevenb@suse.de>
8741 PR c++/22003
8742 * varasm.c (assemble_start_function): Don't do anything that may
8743 require a CFG if the current function is a thunk.
8745 2005-07-25 Geoffrey Keating <geoffk@apple.com>
8747 * doc/install.texi (Prerequisites): Mention that perl is needed
8748 to do export control in libstdc++ targetting Darwin.
8750 2005-07-27 Steven Bosscher <stevenb@suse.de>
8752 PR rtl-optimization/17808
8753 * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
8754 (sched_insns_conditions_mutex_p): Split out from...
8755 (add_dependence): ...here. But don't call it from here.
8756 (add_dependence_list): Check sched_insns_conditions_mutex_p
8757 before calling add_dependence.
8758 (add_dependence_list_and_free): Likewise.
8759 (fixup_sched_groups): Likewise.
8760 (sched_analyze_1): Likewise.
8761 (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
8762 (sched_analyze): Likewise.
8763 (sched_analyze_insn): Likewise.
8764 * sched-ebb.c (add_deps_for_risky_insns): Likewise.
8765 * sched-rgn.c (add_branch_dependences): Likewise. Also, add
8766 dependencies on all COND_EXEC insns to jumps ending basic blocks
8767 when doing intrablock scheduling.
8768 * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
8770 2005-07-27 Jeff Law <law@redhat.com>
8772 * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
8773 meeting a VR_ANTI_RANGE with a VR_RANGE. When intersecting
8774 equivalency sets, correctly handle the case were vr0 has an
8775 equivalency set, but vr1 does not.
8777 2005-07-27 Dorit Nuzman <dorit@il.ibm.com>
8779 PR tree-optimization/23073
8780 * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
8781 vect_print_dump_info before fprintf.
8783 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
8785 PR tree-optimize/22348
8786 * tree-ssa-loop-niter.c (number_of_iterations_cond):
8787 Fold the partial computation.
8789 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
8791 PR tree-optimization/22325
8792 * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
8793 Declare.
8794 * tree-scalar-evolution.c (scev_const_prop): Add generic final
8795 value replacement.
8796 * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
8797 (force_var_cost): ... this function.
8798 (compute_phi_arg_on_exit): Export.
8800 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
8802 PR tree-optimization/20773
8803 * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
8804 edge.
8806 2005-07-27 Richard Guenther <rguenther@suse.de>
8808 * tree-ssa-structalias.c (push_fields_onto_fieldstack):
8809 Avoid pushing again if current struct contains only
8810 fields we decomposed.
8812 2005-07-27 Jan Hubicka <jh@suse.cz>
8814 PR tree-optimization/22574
8815 * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
8816 not available.
8818 * tree-tailcall.c (decrease_profile): New function.
8819 (eliminate_tail_call): Use it.
8821 * cgraphunit.c (cgraph_function_and_variable_visibility): Set
8822 visibility flags correctly in whole program mode.
8824 2005-07-26 Steve Ellcey <sje@cup.hp.com>
8826 PR rtl-optimization/22472
8827 * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
8829 2005-07-26 Steven Bosscher <stevenb@suse.de>
8831 PR tree-optimization/22504
8832 * tree-complex.c (expand_complex_addition): Use 'code' instead
8833 of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
8835 2005-07-26 Aldy Hernandez <aldyh@redhat.com>
8837 * config.gcc (cpu_type): Add frv case.
8838 (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
8839 (supported_defaults): Add fr550 case.
8841 2005-07-26 Diego Novillo <dnovillo@redhat.com>
8843 PR 22591
8844 * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
8845 whether a pointer of type T * may point to objects of type T *.
8847 2005-07-26 DJ Delorie <dj@redhat.com>
8849 * configure: Regenerate.
8851 2005-07-26 Dale Johannesen <dalej@apple.com>
8853 * postreload-gcse.c (alloc_mem): Start CUID numbering at 1.
8855 2005-07-26 Mark Mitchell <mark@codesourcery.com>
8857 * doc/install.texi (--with-build-sysroot): Fix grammatical error.
8858 Clarify use of "build" in name.
8860 2005-07-26 Aldy Hernandez <aldyh@redhat.com>
8862 * doc/extend.texi (Raw read/write Functions): New section.
8863 * testsuite/gcc.target/frv/all-builtin-read8.c: New.
8864 * testsuite/gcc.target/frv/all-builtin-read16.c: New.
8865 * testsuite/gcc.target/frv/all-builtin-read32.c: New.
8866 * testsuite/gcc.target/frv/all-builtin-read64.c: New.
8867 * testsuite/gcc.target/frv/all-builtin-write8.c: New.
8868 * testsuite/gcc.target/frv/all-builtin-write16.c: New.
8869 * testsuite/gcc.target/frv/all-builtin-write32.c: New.
8870 * testsuite/gcc.target/frv/all-builtin-write64.c: New.
8871 * config/frv/frv.c: Add bdesc_loads global.
8872 Add bdesc_stores global.
8873 (frv_init_builtins): Add support for __builtin_{read/write}*.
8874 (frv_volatile_memref): New.
8875 (frv_expand_load_builtin): New.
8876 (frv_expand_store_builtin): New.
8877 * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
8878 FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
8879 FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
8880 FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
8881 * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
8882 UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
8883 (builtin_read_<mode>): New.
8884 (builtin_write_<mode>): New.
8885 (builtin_write64): New.
8886 (optional_membar_<mode>): New.
8888 2005-07-26 J"orn Rennecke <joern.rennecke@st.com>
8890 * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
8891 (rather than units) against HOST_BITS_PER_WIDE_INT.
8893 2005-07-26 Kazu Hirata <kazu@codesourcery.com>
8895 * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
8896 ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
8897 ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
8898 config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
8899 FSF address.
8901 * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
8902 tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
8903 config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
8904 comment typos.
8905 * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
8907 2005-07-26 Richard Guenther <rguenther@suse.de>
8909 PR tree-optimization/22486
8910 * fold-const.c (fold_unary): Fold away useless component
8911 references of the form (T *)&T.x, if the address
8912 doesn't change.
8914 2005-07-25 James E Wilson <wilson@specifixinc.com>
8916 * dwarf2out.c (add_call_src_coords_attributes): New.
8917 (gen_inlined_subroutine_die): Call it.
8918 (maybe_emit_file, init_file_table): Add comments.
8919 (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
8920 maybe_emit_file.
8921 * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
8922 (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
8923 * tree.h (BLOCK_SOURCE_LOCATION): New.
8924 (struct tree_block): New field locus.
8926 2005-07-26 Andreas Schwab <schwab@suse.de>
8928 PR rtl-optimization/23043
8929 * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
8930 when allocating a struct unoccr.
8932 2005-07-25 Richard Henderson <rth@redhat.com>
8934 PR 22626
8935 * tree-complex.c (gate_no_optimization): True if errors.
8936 * Makefile.in (tree-complex.o): Update dependencies.
8938 2005-07-25 Aldy Hernandez <aldyh@redhat.com>
8940 * config/frv/predicates.md (integer_register_operand): Use
8941 GPR_AP_OR_PSEUDO_P.
8943 2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
8945 PR tree-opt/22484
8946 * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
8947 after fold.
8948 * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
8950 2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
8952 * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
8953 types when flag_unsafe_math_optimizations is true.
8955 2005-07-25 Mark Mitchell <mark@codesourcery.com>
8957 * gcc.c (option_map): Add --sysroot.
8958 (process_command): Handle --sysroot.
8959 (display_help): Document it.
8960 * doc/cppopts.tex (-isysroot): Document.
8961 * doc/invoke.texi (--sysroot): Document.
8962 * doc/install.texi (--with-build-sysroot): Document.
8964 * Makefile.in (inhibit_libc): New variable.
8965 (INHIBIT_LIBC_CFLAGS): Likewise.
8966 (LIBGCC2_CFLAGS): Include
8967 $(INHIBIT_LIBC_CFLAGS).
8968 (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
8969 ($(T)crtbegin.o): Do not use @inhibit_libc@.
8970 ($(T)crtend.o): Likewise.
8971 ($(T)crtbeginS.o): Do not use @inhibit_libc@.
8972 ($(T)crtendS.o): Likewise.
8973 ($(T)crtbeginT.o): Do not use @inhibit_libc@.
8974 ($(T)crtendT.o): Likewise.
8975 (stmp-fixinc): Do not complain about missing headers if
8976 inhibit_libc.
8977 * configure.ac (inhibit_libc): Set it to true/false.
8978 (--with-build-sysroot): New option. Use it to set
8979 SYSTEM_HEADER_DIR.
8980 * configure: Regenerated.
8982 2005-07-25 Manfred Hollstein <mh@suse.com>
8984 * calls.c (store_one_arg): Fix unsigned comparison warning.
8986 2005-07-25 Serge Belyshev <belyshev@depni.sinp.msu.ru>
8988 PR other/22337
8989 * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
8990 (ggc_print_statistics): Initialize variable before use.
8992 2005-07-25 Richard Guenther <rguenther@suse.de>
8994 * tree-dfa.c (mark_new_vars_to_rename): Protect against
8995 calling with a PHI_NODE argument.
8997 * tree-flow-inline.h (overlap_subvar): Protect against
8998 possible overflow.
9000 2005-07-25 Paolo Bonzini <bonzini@gnu.org>
9002 * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
9003 * configure: Regenerate.
9005 2005-07-25 Ira Rosen <irar@il.ibm.com>
9007 * expr.c (highest_pow2_factor): Make extern.
9008 * tree-data-ref.c (ptr_decl_may_alias_p): New function.
9009 (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
9010 record_array_differ_p, array_ptr_differ_p): Likewise.
9011 (base_object_differ_p): Rename (from array_base_name_differ_p). Support
9012 additional cases. Call the above functions.
9013 (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
9014 base_object_differ_p when there are two base objects. Otherwise, compare
9015 base address and offset. Call may_alias_p.
9016 (dump_data_reference): Use a correct field name.
9017 (analyze_array): Make static. Initialize new data-ref fields.
9018 (analyze_indirect_ref): New function.
9019 (init_data_ref): Initialize new data-ref fields.
9020 (strip_conversion): Moved from tree-vect-analyze.c.
9021 (analyze_offset_expr, get_ptr_offset, address_analysis,
9022 object_analysis): Likewise.
9023 (analyze_offset): New function.
9024 (create_data_ref): Likewise.
9025 (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
9026 dimensions for ARRAY_REFs only.
9027 (build_classic_dist_vector): Make static.
9028 (access_functions_are_affine_or_constant_p): Call macro to get the
9029 address of access functions.
9030 (compute_all_dependences): Add new parameter
9031 compute_self_and_read_read_dependences. Compute self and read-read
9032 dependences if it is true.
9033 (find_data_references_in_loop): Call create_data_ref. Initialize new
9034 data-ref fields.
9035 (compute_data_dependences_for_loop): Add new parameter
9036 compute_self_and_read_read_dependences. Remove parameter nb_loops,
9037 compute nb_loops. Call compute_all_dependences,
9038 build_classic_dist_vector and build_classic_dir_vector with correct
9039 parameters.
9040 (analyze_all_data_dependences): Call compute_data_dependences_for_loop
9041 with correct parameters. Compare dimensions for ARRAY_REFs only.
9042 (free_data_refs): Call macro to free access functions.
9043 * tree-data-ref.h (struct first_location_in_loop): New structure. Move
9044 fields from stmt_vinfo.
9045 (struct base_object_info): New structure.
9046 (struct data_reference): Move fields to base_object_info. Add fields
9047 first_location and object_info for above structures. Move fields from
9048 stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
9049 aligned_to. Add macros to access the new fields.
9050 Update functions declarations.
9051 * tree-flow.h (is_aliased_with): Declare.
9052 * tree-loop-linear.c (linear_transform_loops): Call
9053 compute_data_dependences_for_loop with correct parameters.
9054 * tree-ssa-alias.c (is_aliased_with): New function.
9055 * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
9056 (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
9057 (vect_analyze_data_ref_dependence): Get ddr. Remove call to
9058 vect_base_addr_differ_p, compute_subscript_distance and
9059 build_classic_dist_vector. Add printings. Check absolute value of
9060 distance.
9061 (vect_analyze_data_ref_dependences): Go through ddrs instead of
9062 data-refs.
9063 (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
9064 stmt. Check aligned_to. Check if the base is aligned. Remove conversion
9065 to bytes. Add printing.
9066 (vect_compute_data_refs_alignment): Go through loads and stores in one
9067 loop.
9068 (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
9069 vect_analyze_data_ref_access): Likewise.
9070 (vect_analyze_pointer_ref_access): Remove.
9071 (vect_address_analysis, vect_object_analysis): Likewise.
9072 (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
9073 and analyze data-refs in the loop.
9074 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
9075 fields of data-ref instead of stmt. Add init to the offset from the
9076 base.
9077 (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
9078 (vect_update_init_of_dr): Likewise.
9079 (vect_update_inits_of_drs): Go through loads and stores in one loop.
9080 * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
9081 removed fields.
9082 (new_loop_vec_info): Initialize new fields.
9083 (destroy_loop_vec_info): Free new fields.
9084 (vect_strip_conversion): Remove.
9085 * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
9086 (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
9087 datarefs. Add new field ddrs.
9088 Add macros for the new fields access.
9089 (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
9090 base_aligned_p, misalignment, memtag, ptr_info and subvars.
9091 Remove their macros.
9092 * tree.h (highest_pow2_factor): Declare.
9094 2005-07-25 Jakub Jelinek <jakub@redhat.com>
9096 * calls.c (store_one_arg): Check for sibling call MEM arguments
9097 from already clobbered incoming argument area.
9099 2005-07-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9101 * c-common.c (check_missing_format_attribute): New.
9102 * c-common.h (check_missing_format_attribute): Likewise.
9103 * c-typeck.c (convert_for_assignment): Use it.
9105 2005-07-24 Andreas Schwab <schwab@suse.de>
9107 * config/m68k/m68k.md ("extendqidi2"): When source is an address
9108 register use a word move. Correct operand of ext.w in 68000 code.
9110 2005-07-23 Mark Mitchell <mark@codesourcery.com>
9112 * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
9113 variables as declarations, rather than definitions.
9115 2005-07-24 Ira Rosen <irar@il.ibm.com>
9117 PR tree-optimization/22526
9118 * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
9119 of the zero node.
9121 2005-07-24 Francois-Xavier Coudert <coudert@clipper.ens.fr>
9123 * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
9124 that C99 reserve for future use. Use it to define clog10,
9125 clog10f and clog10l.
9127 2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9129 * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
9130 * configure.ac: Check for -Wmissing-format-attribute.
9132 * configure: Regenerate.
9134 2005-07-23 Richard Henderson <rth@redhat.com>
9136 PR tree-optimization/22623
9137 * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
9139 2005-07-23 Giovanni Bajo <giovannibajo@libero.it>
9141 PR target/22577
9142 * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
9144 2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9146 * Makefile.in (C_TREE_H): Update dependencies.
9147 * c-tree.h: Include toplev.h.
9148 * diagnostic.h (diagnostic_set_info): Add format attribute.
9149 * rtl-error.c (diagnostic_for_asm): Likewise.
9151 2005-07-23 Chao-ying Fu <fu@mips.com>
9153 * config/mips/mips-dsp.md: New file.
9154 * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
9155 * config/mips/mips.c (mips_function_type): Add types for DSP builtin
9156 functions.
9157 (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
9158 MIPS_BUILTIN_BPOSGE32.
9159 (mips_expand_builtin_direct): Add one parameter to indicate that
9160 builtin functions need to return a value.
9161 (mips_expand_builtin_bposge): New for expanding "bposge" builtin
9162 functions.
9163 (mips_regno_to_class): Add classes for 12 new DSP registers.
9164 (mips_subword): Change to check four HI registers.
9165 (mips_output_move): Output move to and from 6 new DSP accumulators.
9166 (override_options): Make sure -mdsp and -mips16 are not used together.
9167 Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS. Enable DSP accumulators
9168 for machine modes.
9169 (mips_conditional_register_usage): Disable 6 new DSP accumulators
9170 when !TARGET_DSP.
9171 (print_operand): Add 'q' for printing DSP accumulators.
9172 (mips_cannot_change_mode_class): Check ACC_REGS.
9173 (mips_secondary_reload_class): Check ACC_REGS.
9174 (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
9175 (mips_register_move_cost): Check ACC_REGS.
9176 (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
9177 (CODE_FOR_mips_subu_qb): New code-aliasing macros.
9178 (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
9179 (dsp_bdesc): New array.
9180 (bdesc_arrays): Add DSP builtin function table.
9181 (mips_prepare_builtin_arg): Check predicate again after
9182 copy_to_mode_reg.
9183 (mips_expand_builtin): Add one more parameter to
9184 mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
9185 MIPS_BUILTIN_BPOSGE32.
9186 (mips_init_builtins): Initialize new function types.
9187 (mips_expand_builtin_direct): Check if builtin functions need to
9188 return a value and pass operands properly.
9189 (mips_expand_builtin_bposge): New function.
9190 * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
9191 (ASM_SPEC): Map -mdsp to -mdsp in GAS.
9192 (FIRST_PSEUDO_REGISTER): Increase to 188.
9193 (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
9194 Update for 12 new DSP registers.
9195 (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
9196 (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
9197 (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
9198 (reg_class): Add DSP_ACC_REGS and ACC_REGS.
9199 (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
9200 (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
9201 (REG_ALLOC_ORDER): Update for 12 new DSP registers.
9202 (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
9203 (UIMM6_OPERAND, IMM10_OPERAND): New macros.
9204 (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
9205 (REGISTER_NAMES): Add names for 12 new DSP registers.
9206 * config/mips/mips.md: Include mips-dsp.md.
9207 (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
9208 (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
9209 (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
9210 (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
9211 (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
9212 (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
9213 (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
9214 (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
9215 (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
9216 (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
9217 (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
9218 (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
9219 (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
9220 (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
9221 (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
9222 (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
9223 (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
9224 (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
9225 (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
9226 (UNSPEC_RDDSP): New constants.
9227 (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
9228 (*movsi_internal): Change 'x' to 'a' for ACC_REGS. Add an
9229 A<-d alternative.
9230 * config/mips/mips.opt (-mdsp): New option.
9231 * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
9232 (reg_imm10_operand): New predicates.
9233 * doc/extend.texi (MIPS DSP Built-in Functions): New section.
9234 * doc/invoke.texi (-mdsp): Document new option.
9236 2005-07-22 DJ Delorie <dj@redhat.com>
9238 * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
9239 to warning calls.
9240 * tree-inline.c (inlinable_function_p): Likewise.
9242 2005-07-22 Mark Mitchell <mark@codesourcery.com>
9244 PR debug/21828
9245 * toplev.c (check_global_declarations): Do not mark undefined
9246 variables as DECL_IGNORED_P.
9247 * varasm.c (first_global_object_name): GTY it.
9248 (weak_global_object_name): Likewise.
9249 (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
9250 a string to go into {weak,first}_global_object_name.
9252 2005-07-22 DJ Delorie <dj@redhat.com>
9254 * c-format.c (check_function_format): Change warning control
9255 option from OPT_Wattribute to OPT_Wmissing_format_attribute.
9257 2005-07-22 Diego Novillo <dnovillo@redhat.com>
9259 * tree-ssa-alias.c (count_ptr_derefs): Do not consider
9260 &PTR->FLD a dereference of PTR.
9261 * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
9262 a potential dereference of PTR.
9264 2005-07-22 J"orn Rennecke <joern.rennecke@st.com>
9266 PR rtl-optimization/20370
9267 * ifcvt.c (dead_or_predicable): Before calling propagate_block,
9268 call allocate_reg_info if necessary.
9270 PR rtl-optimization/21848
9271 * calls.c (emit_library_call_value_1): For const functions, add
9272 USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
9274 PR rtl-optimization/22445
9275 * cselib.c (target.h): Include.
9276 (rtx_equal_for_cselib_p): Allow commutative matches.
9277 (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
9278 Remove MODE parameter. Changed all callers.
9280 PR rtl-optimization/22258
9281 * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
9282 New functions.
9283 (try_combine): Use likely_spilled_retval_p.
9285 2005-07-22 Paul Woegerer <paul.woegerer@nsc.com>
9287 * config.gcc: Add crx-elf support.
9289 * doc/contrib.texi: Mention crx.
9290 * doc/extend.texi: Document crx extensions.
9291 * doc/install.texi: Document crx install.
9292 * doc/invoke.texi: Document crx options.
9293 * doc/md.texi: Document crx constraints.
9295 * config/crx/crx-protos.h: New file.
9296 * config/crx/crx.c: New file.
9297 * config/crx/crx.h: New file.
9298 * config/crx/crx.md: New file.
9299 * config/crx/crx.opt: New file.
9300 * config/crx/t-crx: New file.
9302 2005-07-22 Manfred Hollstein <mh@suse.com>
9304 * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
9305 warnings.
9306 (int_add_graph_edge): Likewise.
9307 (collapse_nodes): Likewise.
9308 (process_unification_queue): Likewise.
9310 2005-07-22 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9311 Laurent GUERBY <laurent@guerby.net>
9313 PR tree-optimization/22336
9314 * function.c (record_block_change): Check for
9315 cfun->ib_boundaries_block.
9317 2005-07-21 James A. Morrison <phython@gcc.gnu.org>
9319 * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
9320 (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
9322 2005-07-21 DJ Delorie <dj@redhat.com>
9324 * toplev.c (warn_deprecated_use): Add warning control to warning
9325 call.
9326 * c-typeck.c (parser_build_binary_op): Likewise.
9327 (c_finish_if_stmt): Likewise.
9328 * c-common.c (check_function_sentinel): Likewise.
9329 (check_nonnull_arg): Likewise.
9331 2005-07-21 Richard Henderson <rth@redhat.com>
9333 PR tree-opt/22504
9334 * tree-complex.c (complex_ssa_name_components): New.
9335 (cvc_lookup): Allow entry not found.
9336 (create_components): Remove.
9337 (create_one_component_var, get_component_var): New.
9338 (get_component_ssa_name, set_component_ssa_name): New.
9339 (extract_component): Use get_component_ssa_name.
9340 (update_complex_components): Use set_component_ssa_name.
9341 (update_complex_components_on_edge): Likewise.
9342 (update_phi_components): Create new PHI nodes directly, instead
9343 of adding insns to edges.
9344 (tree_lower_complex): Allocate and free complex_variable_components
9345 and complex_ssa_name_components here.
9347 2005-07-20 Daniel Berlin <dberlin@dberlin.org>
9349 * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
9350 revert to returning false.
9352 2005-07-21 Uros Bizjak <uros@kss-loka.si>
9354 PR target/21149
9355 * config/i386/i386.md (sse_movhlps): Fix vec_select values.
9357 2005-07-21 Uros Bizjak <uros@kss-loka.si>
9359 PR target/22576
9360 * config/i386/i386.md (cmpxf): Change operand constraints
9361 to "nonmemory_operand".
9363 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
9365 * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
9367 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
9369 PR middle-end/21180
9370 * fold-const.c (fold_build1): Add checksum for the operands.
9371 (fold_build2): Likewise.
9372 (fold_build3): Likewise.
9374 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
9376 PR middle-end/19055
9377 * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
9379 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
9381 * common.opt (-fforward-propagate): Committed by mistake,
9382 removed.
9384 2005-07-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9386 * reg-stack.c: Fix comment typo(s).
9387 * tree-ssa-operands.c: Likewise.
9388 * tree-vectorizer: Likewise.
9390 2005-07-21 Nick Clifton <nickc@redhat.com>
9392 * config/sh/symbian.c: Replace C++ style line comments with C
9393 style line comments.
9394 (symbian_add_attribute): Do not use a ? operator on the LHS of
9395 an assignment.
9396 (sh_symbian_handle_dll_attribute): Change the type of the
9397 method vector to "VEC(tree,gc)*" and use vector accessor
9398 macros to walk over the elements.
9399 (symbian_export_vtable_and_rtti_p): Likewise.
9400 (symbian_class_needs_attribute_p): Likewise.
9402 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
9404 PR target/22085
9405 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
9406 initialize targetm.resolve_overloaded_builtin here.
9407 (altivec_expand_overloaded_builtin): Make it non-static.
9408 * config/rs6000/rs6000-protos.h
9409 (altivec_expand_overloaded_builtin): New prototype.
9410 * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
9411 targetm.resolve_overloaded_builtin here.
9412 * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
9414 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
9415 Zdenek Dvorak <dvorakz@suse.cz>
9417 PR tree-optimization/19210
9418 * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
9419 New.
9420 * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
9421 * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
9422 rely on unproven assumptions.
9423 * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
9424 * tree-flow.h (number_of_iterations_exit): Add final parameter.
9425 * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
9426 to number_of_iterations_exit.
9427 * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
9428 * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
9429 * tree-ssa-loop-niter.c (find_loop_niter,
9430 estimate_numbers_of_iterations_loop): Likewise.
9431 (number_of_iterations_exit): Honor the new options.
9432 * doc/invoke.texi (Wunsafe-loop-optimizations,
9433 funsafe-loop-optimizations): Document them.
9435 2005-07-21 Richard Sandiford <richard@codesourcery.com>
9437 PR rtl-optimization/22167
9438 * gcse.c (hoist_code): Fix hoist_exprs[] check.
9440 2005-07-20 Adam Nemet <anemet@lnxw.com>
9442 * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
9443 __do_global_dtors_aux longcall.
9445 2005-07-20 Kazu Hirata <kazu@cs.umass.edu>
9447 * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
9448 (old_special_pred_table): Don't reference
9449 SPECIAL_MODE_PREDICATES.
9450 * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
9451 * config/arc/arc.h: Don't mention PREDICATE_CODES.
9452 * config/sh/predicates.h: Don't mention
9453 SPECIAL_MODE_PREDICATES.
9454 * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
9455 Remove.
9457 2005-07-20 DJ Delorie <dj@redhat.com>
9459 * config.gcc: Add m32c-elf support.
9461 * doc/contrib.texi: Mention m32c.
9462 * doc/extend.texi: Document m32c extensions.
9463 * doc/install.texi: Mention m32c.
9464 * doc/invoke.texi: Document m32c options.
9465 * doc/md.texi: Document m32c constraints.
9467 * config/m32c/addsub.md: New file.
9468 * config/m32c/bitops.md: New file.
9469 * config/m32c/cond.md: New file.
9470 * config/m32c/jump.md: New file.
9471 * config/m32c/m32c-lib1.S: New file.
9472 * config/m32c/m32c-lib2.c: New file.
9473 * config/m32c/m32c-modes.def: New file.
9474 * config/m32c/m32c-pragma.c: New file.
9475 * config/m32c/m32c-protos.h: New file.
9476 * config/m32c/m32c.abi: New file.
9477 * config/m32c/m32c.c: New file.
9478 * config/m32c/m32c.h: New file.
9479 * config/m32c/m32c.md: New file.
9480 * config/m32c/m32c.opt: New file.
9481 * config/m32c/minmax.md: New file.
9482 * config/m32c/mov.md: New file.
9483 * config/m32c/muldiv.md: New file.
9484 * config/m32c/predicates.md: New file.
9485 * config/m32c/prologue.md: New file.
9486 * config/m32c/shift.md: New file.
9487 * config/m32c/t-m32c: New file.
9489 2005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
9491 * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
9492 (stack_protect_set, stack_protect_test): New expanders.
9493 (stack_protect_set_si, stack_protect_set_si_media,
9494 stack_protect_set_di_media, stack_protect_test_si,
9495 stack_protect_test_si_media, stack_protect_test_di_media):
9496 New insns.
9498 2005-07-20 Andrew Pinski <pinskia@physics.uc.edu>
9500 * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
9502 2005-07-20 James A. Morrison <phython@gcc.gnu.org>
9504 * tree.h (tree_expr_nonzero_p): Export.
9505 * fold-const.c (tree_expr_nonzero_p): Likewise.
9506 Return true for CALL_EXPRs that are alloca calls.
9507 (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
9508 against zero.
9509 * tree-flow.h (expr_computes_nonzero): Remove.
9510 * tree-vrp.c (expr_computes_nonzero): Remove.
9511 (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
9512 (extract_range_from_unary_expr): Likewise.
9513 * tree-ssa-dom.c (record_equivalences_from_stmt): Use
9514 tree_expr_nonzero_p.
9516 2005-07-20 Bernd Schmidt <bernd.schmidt@analog.com>
9518 * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
9519 * config/bfin/bfin.c (legitimize_pic_address): Now static. Take
9520 extra arg "picreg" and use it instead of pic_offset_table_rtx.
9521 All callers changed.
9522 (frame_related_constant_load): New arg "related" which controls
9523 setting of RTX_FRAME_RELATED_P. All callers changed.
9524 (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
9525 (bfin_expand_prologue): Add stack limit checking.
9526 * config/bfin/bfin.md (trapifcc): New pattern.
9528 * config/bfin/bfin.c: Include "langhooks.h".
9529 (def_builtin): Go through lang_hooks to call builtin_function.
9531 * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
9532 * config/bfin/predicates.md (symbol_ref_operand): New.
9533 (call_insn_operand): Delete. All callers changed to use
9534 register_no_elim_operand.
9535 * config/bfin/bfin.c (init_cumulative_args): Initialize the new
9536 call_cookie field.
9537 (function_arg): Use it to generate the call's operand 2.
9538 (bfin_longcall_p): New function.
9539 (bfin_expand_call): Extra arg "cookie". All callers and declaration
9540 changed. Emit extra USE in the pattern. Use bfin_longcall_p to
9541 determine if the address needs to be in a REG.
9542 (bfin_handle_longcall_attribute): New function.
9543 (bfin_attribute_table): Add "longcall" and "shortcall".
9544 * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
9545 (CUMULATIVE_ARGS): New member call_cookie.
9546 (PREDICATE_CODES): Add symbol_ref_operand.
9547 * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
9548 extra USE to the pattern.
9549 (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
9550 New patterns, split off call_insn, sibcall_insn, call_value_insn and
9551 sibcall_value_insn; now the new patterns handle direct calls and the
9552 old ones indirect calls.
9553 * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
9555 2005-07-20 Zdenek Dvorak <dvorakz@suse.cz>
9557 * doc/trouble.texi: Update section on handling of empty loops.
9559 2005-07-20 Kazu Hirata <kazu@codesourcery.com>
9561 * config.gcc: Remove support for sparc-*-openbsd*,
9562 i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
9563 ns32k-*-netbsd*.
9564 * config.host: Remove support for i860-*-sysv4* as a host.
9565 * config/i860/*, config/ip2k/*, config/ns32k/*,
9566 config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
9567 * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
9568 mention obsolete ports.
9570 2005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
9572 * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
9573 soft frame pointer.
9574 (sh_expand_prologue): Use hard_frame_pointer_rtx instead
9575 of frame_pointer_rtx.
9576 (sh_expand_epilogue): Likewise.
9577 (sh_set_return_address): Likewise.
9578 (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
9579 instead of FRAME_POINTER_REGNUM if needed. Add elimination
9580 offsets from FRAME_POINTER_REGNUM.
9581 * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
9582 (sh_register_names): Add initializer for sfp.
9583 (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
9584 (VALID_REGISTER_P): Likewise.
9585 (FIRST_PSEUDO_REGISTER): Update.
9586 (DWARF_FRAME_REGISTERS): Define.
9587 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
9588 (HARD_FRAME_POINTER_REGNUM): Define.
9589 (FRAME_POINTER_REGNUM): Redefine.
9590 (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
9591 but HARD_FRAME_POINTER_REGNUM instead. Add eliminations
9592 from FRAME_POINTER_REGNUM.
9593 (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
9594 FRAME_POINTER_REGNUM.
9595 (REG_CLASS_CONTENTS): Add sfp.
9596 (REG_ALLOC_ORDER): Likewise.
9597 (FRAME_GROWS_DOWNWARD): Set to 1. Update comment.
9598 (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
9599 of frame_pointer_rtx.
9600 (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
9602 2005-07-19 James A. Morrison <phython@gcc.gnu.org>
9604 * fold-const.c (tree_expr_nonnegative_p): Only return true for
9605 ABS_EXPR when flag_wrapv is false because of INT_MIN.
9606 (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
9607 of an ABS_EXPR.
9608 (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
9609 ABS_EXPR<x>.
9611 2005-07-20 Giovanni Bajo <giovannibajo@libero.it>
9613 Make CONSTRUCTOR use VEC to store initializers.
9614 * c-common.c (complete_array_type): Update to cope with VEC in
9615 CONSTRUCTOR_ELTS.
9616 * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
9617 (pp_c_constructor_elts): New function.
9618 * c-pretty-print.h (pp_c_constructor_elts): Declare.
9619 * c-typeck.c (build_function_call, build_c_cast, digest_init,
9620 struct constructor_stack, struct initializer_stack,
9621 constructor_elements, push_init_level, pop_init_level,
9622 add_pending_init, find_init_member, output_init_element): Update to
9623 cope with VEC in CONSTRUCTOR_ELTS.
9624 * coverage.c (build_fn_info_value, build_ctr_info_value,
9625 build_gcov_info): Likewise.
9626 * expr.c (categorize_ctor_elements_1, store_constructor,
9627 expand_expr_real_1): Likewise.
9628 * fold-const.c (fold_ternary): Likewise.
9629 * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
9630 gimplify_init_constructor, gimplify_expr): Likewise.
9631 * tree-dump.c (dequeue_and_dump): Likewise.
9632 * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
9633 node.
9634 * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
9635 CONSTRUCTOR_ELTS.
9636 * tree-sra.c (generate_element_init_1): Likewise.
9637 * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
9638 * tree-ssa-operands.c (get_expr_operands): Likewise.
9639 * tree-vect-generic.c (expand_vector_piecewise): Likewise.
9640 * tree-vect-transform.c (vect_get_vec_def_for_operand):
9641 (get_initial_def_for_reduction): Likewise.
9642 * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
9643 value handle in annotations.
9644 * tree.c (tree_node_kind, tree_code_size, make_node_stat,
9645 tree_node_structure): Add support for constr_kind.
9646 (build_vector_from_ctor, build_constructor_single,
9647 build_constructor_from_list): New functions.
9648 (build_constructor): Update to take a VEC instead of a TREE_LIST.
9649 (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
9650 Update to cope with VEC in CONSTRUCTOR_ELTS.
9651 * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
9652 * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
9653 CONSTRUCTOR_APPEND_ELT): New macros.
9654 (struct constructor_elt, struct tree_constructor): New data types.
9655 (union tree_node): Add tree_constructor field.
9656 * treestruct.def: Define TS_CONSTRUCTOR.
9657 * varasm.c (const_hash_1, compare_constant, copy_constant,
9658 compute_reloc_for_constant, output_addressed_constants,
9659 initializer_constant_valid_p, output_constant,
9660 array_size_for_constructor, output_constructor): Update to cope with
9661 VEC in CONSTRUCTOR_ELTS.
9662 * vec.h (VEC_empty, VEC_copy): New macros.
9664 2005-07-19 Devang Patel <dpatel@apple.com>
9666 * dbxout.c (dbxout_type): Check Objective-C++ lang.
9668 2005-07-19 Richard Henderson <rth@redhat.com>
9670 PR tree-opt/22278
9671 * gimplify.c (gimplify_expr): Use main variant type for the temp
9672 destination for a discarded volatile read.
9673 * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
9674 casts between non-void types that change volatility.
9676 2005-07-15 DJ Delorie <dj@redhat.com>
9678 * toplev.h: Add comment about the first parameter for warning().
9679 * errors.h: Likewise.
9681 * c.opt (Wpragmas): New.
9682 * doc/invoke.texi: Document it.
9684 * function.c (do_warn_unused_parameter): Add warning control to
9685 warning call.
9686 * c-decl.c (warn_if_shadowing): Likewise.
9687 * c-lex.c (cb_def_pragma): Likewise.
9688 * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
9689 (pop_alignment): Likewise.
9690 (handle_pragma_pack): Likewise.
9691 (apply_pragma_weak): Likewise.
9692 (handle_pragma_weak): Likewise.
9693 (handle_pragma_redefine_extname): Likewise.
9694 (add_to_renaming_pragma_list): Likewise.
9695 (handle_pragma_extern_prefix): Likewise.
9696 (maybe_apply_renaming_pragma): Likewise.
9697 (handle_pragma_visibility): Likewise.
9699 * config/c4x/c4x-c.c (BAD): Likewise.
9700 (c4x_parse_pragma): Likewise.
9701 * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
9702 * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
9703 (rs6000_pragma_longcall): Likewise.
9704 * config/v850/v850-c.c (pop_data_area): Likewise.
9705 (ghs_pragma_section): Likewise.
9706 (ghs_pragma_section): Likewise.
9707 (ghs_pragma_interrupt): Likewise.
9708 (ghs_pragma_starttda): Likewise.
9709 (ghs_pragma_startsda): Likewise.
9710 (ghs_pragma_startzda): Likewise.
9711 (ghs_pragma_endtda): Likewise.
9712 (ghs_pragma_endsda): Likewise.
9713 (ghs_pragma_endzda): Likewise.
9715 2005-07-19 Danny Berlin <dberlin@dberlin.org>
9716 Kenneth Zadeck <zadeck@naturalbridge.com>
9718 * Makefile.in: Removed tree-promote-statics.c
9719 * tree-promote-statics.c: Removed.
9720 * common.opt: Removed flag-promote-statics.
9721 * opts.c: Ditto.
9722 * passes.c: Removed tree-promote-statics pass.
9723 * tree-pass.h: Ditto.
9724 * timevar.def: Removed TV_PROMOTE_STATICS.
9727 2005-07-19 Gerald Pfeifer <gerald@pfeifer.com>
9729 * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
9730 and *-*-freebsd9.
9731 * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
9733 2005-07-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9735 PR c/22476
9736 * c-common.c (check_function_arguments): Call
9737 'check_function_format' if either -Wformat or
9738 -Wmissing-format-attribute are specified.
9739 * c-format.c (check_function_format): Check -Wformat before
9740 calling 'check_format_info'.
9741 * c-opts.c (c_common_post_options): Don't warn for
9742 -Wmissing-format-attribute without -Wformat.
9743 * c-typeck.c (convert_for_assignment): Detect additional cases for
9744 -Wmissing-format-attribute.
9745 * doc/invoke.texi (-Wmissing-format-attribute): Document new
9746 behavior.
9748 2005-07-19 Richard Guenther <rguenther@suse.de>
9750 * config/i386/i386.md (lrint<mode>2): Use temporary
9751 instead of clobbering non-existent memory.
9753 2005-07-19 Nick Clifton <nickc@redhat.com>
9755 * config/avr/avr.c (legitimate_address_p): Fix debugging print
9756 statement to avoid displaying ASCII control characters.
9758 2005-07-19 Ben Elliston <bje@au.ibm.com>
9760 * bt-load.c (link_btr_uses): Fix uninitialised warnings.
9761 * cfganal.c (find_edge_index): Ditto.
9762 * combine.c (combine_instructions): Ditto.
9763 * ddg.c (create_scc): Ditto.
9764 (find_successors): Ditto.
9765 (find_predecessors): Ditto.
9766 (find_nodes_on_paths): Ditto.
9767 (longest_simple_path): Ditto.
9768 * flow.c (update_life_info): Ditto.
9769 (count_or_remove_death_notes): Ditto.
9770 (clear_log_links): Ditto.
9771 * modulo-sched.c (generate_reg_moves): Ditto.
9772 (find_max_asap): Ditto.
9773 (find_max_hv_min_mob): Ditto.
9774 (find_max_dv_min_mob): Ditto.
9775 * sbitmap.c (sbitmap_first_set_bit): Ditto.
9776 * sched-rgn.c (extract_edgelst): Ditto.
9777 * tree-into-ssa.c (prepare_names_to_update): Ditto.
9778 (dump_update_ssa): Ditto.
9779 (ssa_names_to_replace) Ditto.
9780 (switch_virtuals_to_full_rewrite): Ditto.
9781 (update_ssa): Ditto.
9782 * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
9784 2005-07-18 Daniel Berlin <dberlin@dberlin.org>
9786 Fix PR tree-optimization/22483
9788 * tree-complex.c (create_components): Use
9789 safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
9790 * tree-flow-inline.h (fill_referenced_var_vec): New function.
9791 * tree-flow.h (safe_referenced_var_iterator): New structure.
9792 (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
9793 * tree-ssa-alias.c (setup_pointers_and_addressables): Use
9794 safe_referenced_var iterator.
9795 (add_type_alias): Ditto.
9797 2005-07-19 Steven Bosscher <stevenb@suse.de>
9799 * loop-init.c (rest_of_handle_loop2): Remove.
9800 (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
9801 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
9802 (pass_rtl_loop_init, pass_rtl_loop_done,
9803 pass_rtl_move_loop_invariants, pass_rtl_unswitch,
9804 pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
9805 * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
9806 pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
9807 pass_tree_loop_done, and pass_tree_unswitch.
9808 (gate_loop): Rename to gate_tree_loop.
9809 * passes.c (init_optimization_passes): Update for renamed tree
9810 loop passes. Add the new loop2 passes as subpasses of loop2.
9811 * tree-pass.h: Add extern declarations for the new loop2 subpasses.
9812 Update for the renamed tree loop passes.
9814 2005-07-18 Ian Lance Taylor <ian@airs.com>
9816 PR middle-end/22057
9817 * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
9818 blocks when optimizing.
9820 2005-07-18 Steve Ellcey <sje@cup.hp.com>
9822 * common.opt (frename-registers): Initialize to 2.
9823 (fweb): Ditto.
9824 (fgcse-after-reload): Ditto.
9825 * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
9826 (process_options): Only change flag_web, flag_rename_registers,
9827 and flag_rerun_cse_after_loop if not explicitly set by user.
9829 2005-07-18 Jan Beulich <jbeulich@novell.com>
9831 * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
9832 ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
9833 in 64-bit mode the same as DImode in 32-bit mode.
9834 (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
9835 ix86_split_lshr): Likewise. Rename to no longer refer to a specific
9836 mode. Add new mode parameter.
9837 * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
9838 * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
9839 x86_64_shift_adj): New expanders.
9840 (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
9841 *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
9842 insns.
9843 Respective new splitters. Use renamed shift splitter helpers in 32-bit
9844 DImode shift splitters.
9845 * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
9846 ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
9847 mode parameter.
9849 2005-07-18 Jan Beulich <jbeulich@novell.com>
9851 * i386.md (movdi_extzv_1): New.
9852 (zero_extendhidi2): Combine alternatives and never force use of
9853 REX64 prefix.
9854 (zero_extendqidi2): Likewise. Don't restrict input selection.
9856 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
9858 Fix PR tree-optimization/22531
9859 * tree-ssa-pre.c (do_eustores): Make sure LHS is a decl for the
9860 moment.
9862 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
9864 * tree-promote-statics.c (pass_promote_statics): Change dump file
9865 name.
9867 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
9869 * tree-optimize.c (init_tree_optimization_passes): Add
9870 pass_eliminate_useless_stores pass.
9871 * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
9872 * tree-ssa-pre.c (is_copy_stmt): New function.
9873 (follow_copies_till_vuse): Ditto.
9874 (do_eustores): Ditto.
9875 (gate_eustores): Ditto.
9877 2005-07-16 Richard Henderson <rth@redhat.com>
9879 * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
9881 2005-07-16 Danny Berlin <dberlin@dberlin.org>
9882 Kenneth Zadeck <zadeck@naturalbridge.com>
9884 * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
9885 ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
9886 ipa-type-escape.h, tree-promote-statics.c
9887 * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
9888 ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
9889 tree-promote-statics.c: new files.
9890 * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
9891 nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
9892 int nonlocal_set_p, mark_constant_function): Deleted.
9893 (rest_of_handle_cfg): Removed call to mark_constant_function.
9894 (nonoverlapping_component_refs_p): Added calls to support
9895 type based aliasing.
9896 * tree-ssa-alias.c (may_alias_p,
9897 compute_flow_insensitive_aliasing): Ditto.
9898 * calls.c (flags_from_decl_or_type): Removed reference to
9899 cgraph_rtl_info.
9900 * c-typeck.c (convert_arguments): Make builtins tolerant of having
9901 too many arguments. This is necessary for Spec 2000.
9902 * cgraph.h (const_function, pure_function): Removed.
9903 * common.opt: Added "fipa-pure-const", "fipa-reference",
9904 "fipa-type-escape", and "ftree-promote-static".
9905 * opts.c: Ditto.
9906 * passes.c: Added ipa and tree-promote-statics passes.
9907 * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
9908 TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
9909 * tree-dfa.c (referenced_var_lookup_if_exists): New function.
9910 * tree-flow.h: Added exposed sra calls and addition of
9911 reference_vars_info field for FUNCTION_DECLS.
9912 * tree-pass.h: Added passes.
9913 * tree-sra.c: (sra_init_cache): New function.
9914 (sra_insert_before, sra_insert_after) Made public.
9915 (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
9916 and made public.
9917 * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
9918 aliasing. (may_alias_p): Added code to use type escape analysis to
9919 improve alias sets.
9920 * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
9921 code to prune clobbers of static variables based on information
9922 produced in ipa-reference pass. Changed call clobbering so that
9923 statics are not marked as clobbered if the call does not clobber
9924 them.
9926 2005-07-16 Daniel Berlin <dberlin@dberlin.org>
9928 * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
9929 too.
9931 2005-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
9933 * doc/install.texi (*-*-solaris2*): Document recommended version
9934 of GNU binutils and mention GNU linker problem on Solaris 10.
9936 2005-07-16 Joseph S. Myers <joseph@codesourcery.com>
9938 PR c/22421
9939 * c-decl.c (c_build_bitfield_integer_type): New function.
9940 (finish_struct): Call it.
9941 * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
9943 2005-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9945 * c-typeck.c (digest_init): Call 'convert_for_assignment'
9946 before returning.
9948 2005-07-16 Jan Hubicka <jh@suse.cz>
9950 * cfg.c (update_bb_profile_for_threading): Fix profile updating.
9951 (scale_bbs_frequencies_int): Watch roundoff errors.
9952 * predict.c (return_prediction): Initialize return_stmt.
9954 2005-07-16 Jan Hubicka <jh@suse.cz>
9956 * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
9957 after RTL profiling.
9959 2005-07-11 Andrew Pinski <pinskia@physics.uc.edu>
9961 PR middle-end/22398
9962 * fold-const.c (build_range_check): Convert high/low to etype
9963 if we are only comparing against exp.
9965 2005-07-13 Daniel Berlin <dberlin@dberlin.org>
9967 Fix PR tree-optimization/22376
9968 * tree-ssa-structalias.c (build_constraint_graph): We really meant
9969 special var here.
9970 (need_to_solve): New function.
9971 (compute_points_to_sets): Use it.
9973 2005-07-15 Jan Hubicka <jh@suse.cz>
9975 * cfg.c (update_bb_profile_for_threading): More diagnostic.
9976 * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
9978 2005-07-15 Richard Guenther <rguenther@suse.de>
9980 * c-common.c (handle_flatten_attribute): New function.
9981 Add flatten function attribute.
9982 * doc/extend.texi: Document flatten function attribute.
9983 * Makefile.in (ipa-inline.o): Depend on hashtab.h.
9984 * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
9985 New functions.
9986 (cgraph_decide_inlining): Handle functions with flatten
9987 attribute.
9989 2005-07-14 David Edelsohn <edelsohn@gnu.org>
9991 * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
9992 UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
9993 UNSPEC_XCHG, UNSPEC_AND): New.
9994 (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
9995 UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
9996 * config/rs6000/sync.md (FETCHOP): New code macro.
9997 (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
9998 New code attrs.
9999 (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
10000 (sync_compare_and_swap<mode>): Same.
10001 (sync_lock_test_and_set<mode>): Same.
10002 (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
10003 for QImode and HImode, and not PPC405.
10004 (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
10005 (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
10006 (sync_<fetchop>{si,di}_internal): New.
10007 (sync_nand{si,di}_internal): New.
10008 (sync_old_<fetchop>{si,di}_internal): New.
10009 (sync_old_nand{si,di}_internal): New
10010 (sync_new_<fetchop>{si,di}_internal): New.
10011 (sync_new_nand{si,di}_internal): New.
10012 (atomic_and{si,di}): New.
10013 (sync_new_nand{si,di}_internal): New.
10014 (atomic_and{si,di}): New.
10015 (sync_add<mode>_internal): Delete.
10016 (sync_addshort_internal): Use unspec instead of unspec_volatile.
10017 (sync_sub<mode>_internal): Delte.
10018 (sync_subshort_internal): New.
10019 (sync_andsi_internal): Use unspec instead of unspec_volatile.
10020 (sync_anddi_internal): Delete.
10021 (sync_boolsi_internal): Use unspec instead of unspec_volatile.
10022 (sync_booldi_internal): Delete.
10023 (sync_boolc<mode>_internal): Delete.
10024 (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
10025 (sync_boolc<mode>_internal2): Delete.
10026 (sync_boolcc<mode>_internal): Delete.
10027 (isync, lwsync): Use unspec instead of unspec_volatile.
10028 * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
10029 Revert UNSPEC_VOLATILE.
10030 (rs6000_split_atomic_op): New.
10031 * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
10033 2005-07-14 Eric Christopher <echristo@redhat.com>
10035 * config/mips/mips.c (mips_canonicalize_comparison): Cast
10036 argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
10038 2005-07-14 Eric Christopher <echristo@redhat.com>
10040 * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
10042 2005-07-14 Steven Bosscher <stevenb@suse.de>
10044 PR tree-optimization/22230
10045 * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
10046 the computation of the four cross productions for "range op range".
10048 2005-07-14 Alexandre Oliva <aoliva@redhat.com>
10049 Ulrich Weigand <uweigand@de.ibm.com>
10051 PR target/20126
10052 * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
10053 in some insn.
10055 2005-07-14 Ulrich Weigand <uweigand@de.ibm.com>
10057 * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
10059 2005-07-14 Steve Ellcey <sje@cup.hp.com>
10061 * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
10063 2005-07-14 Richard Guenther <rguenther@suse.de>
10065 PR middle-end/22347
10066 * config/i386/i386-protos.h (ix86_function_value): Change
10067 prototype to match new target hook.
10068 * config/i386/i386.c (ix86_value_regno): Change prototype
10069 to take extra type argument.
10070 (TARGET_FUNCTION_VALUE): Define.
10071 (ix86_function_ok_for_sibcall): Pass extra argument to
10072 ix86_value_regno, check return slot rtx for exact match.
10073 (ix86_function_value): Take extra parameter. Dispatch to
10074 ix86_value_regno with fndecl/fntype as provided.
10075 (ix86_value_regno): Handle extra type argument.
10076 * config/i386/i386.h (FUNCTION_VALUE): No longer define.
10078 * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
10079 * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
10080 * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
10081 * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
10082 * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
10084 2005-07-14 Richard Guenther <rguenther@suse.de>
10086 * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
10087 * calls.c (expand_call): Pass fntype to hard_function_value.
10088 (emit_library_call_value_1): Likewise.
10089 * explow.c: Include target.h.
10090 (hard_function_value): Take extra argument, the fntype.
10091 Use new target hook for function_value.
10092 * expr.h (hard_function_value): Change prototype.
10093 * function.c (aggregate_value_p): Pass 0 as fntype to
10094 hard_function_value.
10095 (assign_parms): Use new target hook for function_value.
10096 Pass 0 as fntype to hard_function_value.
10097 (expand_function_end): Likewise.
10098 * reg-stack.c: Include target.h.
10099 (stack_result): Use new target hook for function_value.
10100 * target-def.h: New target hook function_value.
10101 * target.h: Likewise.
10102 * targhooks.c (default_function_value): New function.
10103 * targhooks.h (default_function_value): Declare.
10105 2005-07-13 Ian Lance Taylor <ian@airs.com>
10107 * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
10109 2005-07-14 Jan Hubicka <jh@suse.cz>
10111 * tree-dfa.c (dump_variable): Use default_def function.
10112 * tree-ssa-alias.c (dump_points_to_info): Likewise.
10113 * tree-ssa.c (verify_use): Likewise.
10114 * tree-ssanames.c (release_ssa_name): Likewise.
10115 * tree-tailcall.c (eliminate_tail_call): Likewise.
10116 (tree_optimize_tail_calls_1): Likewise.
10117 * tree-vrp.c (get_value_range): Likewise.
10119 2005-07-14 Ben Elliston <bje@au.ibm.com>
10121 * gcc.c (main): Compare language[0] with '*' when iterating over
10122 the infiles.
10124 2005-07-13 Adrian Strae½tling <straetling@de.ibm.com>
10126 * config/s390/s390.c: (s390_cc_modes_compatible): Move before
10127 "s390_emit_compare". Add handling of CCZ1mode.
10128 (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
10129 (390_emit_compare): Use "s390_cc_modes_compatible" for mode
10130 checking.
10131 (s390_branch_condition_mask): Add CCZ1mode handling.
10132 * config/s390/s390.md: ("seq", "*seq"): New pattern.
10133 ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
10134 Use CCZ1mode instead of CCZmode.
10135 * config/s390/s390-modes.def: Add CCZ1mode. Comment new mode.
10137 2005-07-13 Adrian Strae½tling <straetling@de.ibm.com>
10139 * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
10140 pattern.
10141 ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
10143 2005-07-13 Eric Christopher <echristo@redhat.com>
10145 * config/mips/mips.c (mips_canonicalize_comparison): New.
10146 (mips_emit_int_relational): Use.
10148 2005-07-13 Eric Christopher <echristo@redhat.com>
10150 * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
10151 static extra parts.
10152 * config/s390/s390.md: Include tpf.md. Move tpf specific
10153 patterns...
10154 * config/s390/tpf.md: To here.
10155 * config/s390/s390.opt: Move tpf specific options...
10156 * config/s390/tpf.opt: to here. Add mmain option.
10157 * config/s390/tpf-unwind.h: Remove unnecessary defines.
10158 * config/s390/tpf.h: Rewrite.
10160 2005-07-13 H.J. Lu <hongjiu.lu@intel.com>
10162 * doc/tm.texi: Remove @xref{Cross-profiling}.
10164 2005-07-13 Jeff Law <law@redhat.com>
10166 * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
10167 expressions, test their _DECL operands for pointer equality rather
10168 than using operand_equal_p.
10170 2005-07-13 H.J. Lu <hongjiu.lu@intel.com>
10172 * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
10173 (TARGET_POSIX_IO): This.
10174 * config/darwin.h: Likewise.
10175 * config/freebsd.h: Likewise.
10176 * config/linux.h: Likewise.
10177 * config/lynx.h: Likewise.
10178 * config/netbsd.h: Likewise.
10179 * config/rs6000/linux64.h: Likewise.
10180 * config/rs6000/linux.h: Likewise.
10181 * config/s390/tpf.h: Likewise.
10182 * config/sh/embed-elf.h: Likewise.
10183 * config/sparc/linux64.h: Likewise.
10184 * config/sparc/linux.h: Likewise.
10185 * config/svr4.h: Likewise.
10186 * gcov-io.h: Likewise.
10188 * doc/tm.texi: Updated.
10190 * libgcov.c (create_file_directory): Defined only if
10191 TARGET_POSIX_IO is defined.
10192 (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
10193 is defined.
10195 2005-07-13 Jan Hubicka <jh@suse.cz>
10197 * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
10199 2005-07-13 David Edelsohn <edelsohn@gnu.org>
10201 * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
10202 structure as argument.
10204 2005-07-13 Paolo Bonzini <bonzini@gnu.org>
10206 PR tree-optimization/21921
10207 * tree-iterator.c (tsi_link_before): Support the case when
10208 tsi_end_p (tsi) == true.
10210 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
10212 PR tree-optimization/22442
10213 * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
10214 correctly.
10216 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
10218 PR rtl-optimization/20376
10219 * toplev.c (process_options): Enable -fweb and -frename-registers when
10220 unrolling.
10221 * doc/invoke.texi: Update the information about when -fweb and
10222 -frename-registers are enabled.
10224 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
10226 PR tree-opt/21840
10227 * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
10228 if *rhs_p is not a SSA_NAME.
10230 2005-07-12 Daniel Berlin <dberlin@dberlin.org>
10232 Fix PR tree-optimization/22422
10233 * tree-ssa-structalias.c (struct variable_info): Add flag for
10234 special vars.
10235 (get_varinfo): Now a static function.
10236 (new_varinfo): init has_union and is_special_var to false.
10237 (solution_set_add): Check has_union.
10238 (do_da_constraint): Move temporary variable so it gets reset
10239 properly.
10240 Also check for special variable.
10241 (do_ds_constraint): Ditto.
10242 (do_sd_constraint): Ditto.
10243 (do_structure_copy): Check for special variable.
10244 (find_func_aliases): Ditto.
10245 (init_base_vars): Set special vars properly.
10247 2005-07-13 Jan Hubicka <jh@suse.cz>
10249 * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
10250 do unit-at-a-time.
10252 * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
10253 (get_expr_operands): Fix thinko wrt flags and subvars.
10255 PR tree-optimize/22379
10256 * tree-inline.c (expand_call_inline): Do not output sorry in early
10257 inlining.
10259 2005-07-12 Dale Johannesen <dalej@apple.com>
10261 * config/rs6000.c (rs6000_rtx_cost): Move FLOAT_EXTEND.
10263 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
10265 PR bootstrap/21704
10266 * host-linux.h: Include limits.h.
10268 2005-07-12 Dale Johannesen <dalej@apple.com>
10270 * expr.c (compress_float_constant): Add cost check.
10271 * config/rs6000.c (rs6000_rtx_cost): Adjust FLOAT_EXTEND cost.
10273 2005-07-12 Dale Johannesen <dalej@apple.com>
10275 * gcc.target/i386/compress-float-sse.c: New.
10276 * gcc.target/i386/compress-float-sse-pic.c: New.
10277 * gcc.target/i386/compress-float-387.c: New.
10278 * gcc.target/i386/compress-float-387-pic.c: New.
10279 * gcc.dg/compress-float-ppc.c: New.
10280 * gcc.dg/compress-float-ppc-pic.c: New.
10282 2005-07-12 Eric Christopher <echristo@redhat.com>
10284 * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
10285 static extra parts.
10286 * config/s390/s390.md: Include tpf.md. Move tpf specific
10287 patterns...
10288 * config/s390/tpf.md: To here.
10289 * config/s390/s390.opt: Move tpf specific options...
10290 * config/s390/tpf.opt: to here. Add mmain option.
10291 * config/s390/tpf-unwind.h: Remove unnecessary defines.
10292 * config/s390/tpf.h: Rewrite.
10294 2005-07-12 Eric Christopher <echristo@redhat.com>
10296 * gcc.c (struct infile): Update comment for language.
10297 (main): Rewrite input file resetting code.
10299 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
10301 PR tree-opt/22335
10302 * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
10303 requiring a cast in a non RHS of modify_expr. Add a cast when required.
10304 (lookup_avail_expr): Use constant_boolean_node instead
10305 of boolean_false_node/boolean_true_node.
10307 2005-07-12 Ben Elliston <bje@au.ibm.com>
10309 * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
10310 and use it when printing num_edges.
10312 2005-07-12 Bernd Schmidt <bernd.schmidt@analog.com>
10314 * doc/extend.texi (Blackfin Built-in Functions): New section.
10315 * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
10316 @opindex.
10318 2005-07-12 Adrian Straetling <straetling@de.ibm.com>
10320 * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
10321 s/cmpstrsi/cmpstrnsi
10322 (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
10323 'cmpstrnsi'.
10324 * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
10325 (init_optabs): Initialize cmpstrn_optab.
10326 * optabs.h: (enum insn_code cmpstrn_optab): Declare.
10327 * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
10328 * expr.c: (enum insn_code cmpstrn_optab): Declare.
10329 * config/i386/i386.md: s/cmpstr/cmpstrn
10330 * config/c4x/c4x.md: s/cmpstr/cmpstrn
10331 * doc/md.texi: Update documentation.
10333 2005-07-11 Richard Henderson <rth@redhat.com>
10335 * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
10336 build_va_arg_indirect_ref.
10337 (alpha_gimplify_va_arg): Likewise.
10338 * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
10339 * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
10340 * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
10341 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
10342 * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
10343 * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
10344 Likewise.
10345 * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
10347 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
10349 * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
10350 * passes.c (init_optimization_passes): Add pass_empty_loop.
10351 * tree-pass.h (pass_empty_loop): Declare.
10352 * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
10353 try_remove_empty_loop, remove_empty_loops): New functions.
10354 * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
10355 * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
10357 2005-07-12 Peter Barada <peter@the-baradas.com>
10359 PR middle-end/16719
10360 PR middle-end/18421
10361 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
10362 in address registers.
10363 * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
10364 * config/m68k/m68k.md: Replace 's' with 'i' in 4th
10365 alternative of addsi3_5200.
10367 2005-07-11 Ian Lance Taylor <ian@airs.com>
10369 * config/mips/mips.md (ffs<mode>2): Remove.
10371 2005-07-11 Ian Lance Taylor <ian@airs.com>
10373 * doc/tree-ssa.texi (Cleanups): Improve description of
10374 TRY_FINALLY_EXPR.
10375 (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
10377 2005-07-11 Daniel Berlin <dberlin@dberlin.org>
10379 * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
10380 * tree.h (DECL_ARGUMENT_FLD): New macro.
10382 2005-07-11 Daniel Berlin <dberlin@dberlin.org>
10384 Fix PR tree-optimization/22404
10386 * tree-ssa-structalias.c (create_variable_info_for): Use
10387 correct offset.
10389 2005-07-11 Bernd Schmidt <bernd.schmidt@analog.com>
10391 * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
10392 compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
10393 for second comparison operand.
10394 * config/bfin/predicates.md (reg_or_const_int_operand): New.
10396 * config/bfin/bfin.md (define_attr "type"): Add "sync".
10397 (define_insn_reservation "alu"): Likewise.
10398 (csync, ssync): Now of type sync.
10399 * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
10400 -mcsync-anomaly -mspecld-anomaly.
10401 * config/bfin/bfin.opt (mcsync): Remove.
10402 (mcsync-anomaly, mspecld-anomaly): Add.
10403 * config/bfin/bfin.c: Include "insn-codes.h".
10404 (bfin_reorg): Extend to handle the CSYNC anomaly as well.
10405 (TARGET_DEFAULT_TARGET_FLAGS): New.
10406 * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
10408 2005-07-11 Steven Bosscher <stevenb@suse.de>
10410 * basic-block.h: Give the BB flags enum a name, bb_flags.
10411 Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
10412 * cfgcleanup.c (enum bb_flags): Remove here.
10413 (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
10414 (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
10415 (update_forwarder_flag): Likewise.
10416 (thread_jump): Likewise.
10417 (try_forward_edges): Likewise.
10418 (try_optimize_cfg): Likewise. Clear bb->flags before updating the
10419 forwarder flags. Don't clear bb->aux for all basic blocks. Only
10420 reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
10422 2005-07-11 Richard Guenther <rguenther@suse.de>
10424 * config/i386/i386.opt: New target option -msseregparm.
10425 * config/i386/i386.c (override_options): Error out for
10426 -msseregparm but no SSE support.
10427 (ix86_function_sseregparm): Check for global sseregparm.
10428 * doc/invoke.texi: Document -msseregparm.
10430 2005-07-11 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
10432 * config.gcc (m32r-*-linux*): Use the default extra_parts.
10433 (m32rle-*-linux*): Ditto.
10435 2005-07-11 Jakub Jelinek <jakub@redhat.com>
10437 * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
10438 instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
10439 bytes.
10441 2005-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10443 PR middle-end/22239
10444 PR target/20126
10445 * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
10446 gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
10448 2005-07-07 Daniel Berlin <dberlin@dberlin.org>
10450 * tree-ssa-structalias.c (struct variable_info): Heapify complex.
10451 (varmap): Heapify varmap.
10452 (constraints): Heapify constraints.
10453 (struct constraint_graph): Heapify succs and preds.
10454 (constraint_vec_find): Update for heapification.
10455 (constraint_set_union): Ditto.
10456 (insert_into_complex): Ditto.
10457 (constraint_edge_vec_find): Ditto.
10458 (erase_graph_self_edge): Ditto.
10459 (add_graph_edge): Ditto.
10460 (get_graph_weights): Ditto.
10461 (merge_graph_nodes): Ditto.
10462 (build_constraint_graph): Ditto.
10463 (topo_visit): Ditto.
10464 (solve_graph): Ditto.
10465 (create_variable_info_for): Ditto.
10466 (init_base_vars): Ditto.
10467 (delete_points_to_sets): Free graph, varmap, and complex constraints.
10468 (condese_varmap_nodes): Free complex vector.
10469 (clear_edges_for_node): Clear succs and preds vector.
10471 2005-07-10 Daniel Berlin <dberlin@dberlin.org>
10473 * tree-ssa-structalias.c (update_alias_info): Change counting of
10474 references to not include vdefs.
10476 2005-07-10 Daniel Berlin <dberlin@dberlin.org>
10478 * tree-ssa-alias.c (free_used_part_map): Add missing free.
10479 (up_insert): Ditto.
10481 2005-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10483 * pa.c (pa_commutative_p): Make PLUS commutative when
10484 TARGET_NO_SPACE_REGS is true.
10486 2005-07-09 Diego Novillo <dnovillo@redhat.com>
10488 * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
10489 * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
10490 * tree-dfa.c (dump_subvars_for): New.
10491 (debug_subvars_for): New.
10492 (dump_variable): Show subvariables if VAR has them.
10493 * tree-flow-inline.h (get_subvar_at): New.
10494 (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
10495 * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
10496 Update all users.
10497 (struct subvar): Change fields offset and size to unsigned
10498 HOST_WIDE_INT.
10499 (dump_subvars_for): Declare.
10500 (debug_subvars_for): Declare.
10501 (get_subvar_at): Declare.
10502 (okay_component_ref_for_subvars): Change 2nd and 3rd argument
10503 to unsigned HOST_WIDE_INT *.
10504 (overlap_subvar): Likewise.
10505 * tree-gimple.c (is_gimple_reg): Always return false for
10506 SFTs and memory tags.
10507 * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
10508 Update all callers.
10509 * tree-ssa-alias.c: Include tree-ssa-structalias.h.
10510 (compute_may_aliases): Call compute_points_to_sets.
10511 (collect_points_to_info_for): Remove.
10512 (compute_points_to_and_addr_escape): Remove.
10513 (delete_alias_info): Call delete_points_to_sets.
10514 (compute_flow_sensitive_aliasing): If the call to
10515 find_what_p_points_to returns false, call set_pt_anything.
10516 (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
10517 (set_pt_anything): Clear pi->pt_vars.
10518 (set_pt_malloc): Remove.
10519 (merge_pointed_to_info): Remove.
10520 (add_pointed_to_expr): Remove.
10521 (add_pointed_to_var): Remove.
10522 (collect_points_to_info_r): Remove.
10523 (is_escape_site): Make extern.
10524 (create_sft): New.
10525 (create_overlap_variables_for): Call it.
10526 * tree-ssa-copy.c (merge_alias_info): Never merge
10527 flow-sensitive alias information.
10528 * tree-ssa-operands.c (get_expr_operands): Adjust variables
10529 offset and size to be unsigned HOST_WIDE_INT.
10530 (add_to_addressable_set): Rename from note_addressable.
10531 Set TREE_ADDRESSABLE as the variables are added to the set.
10532 Update all users.
10533 (add_stmt_operand): Do not try to micro-optimize unmodifiable
10534 operands into VUSEs when adding V_MAY_DEFs for members in an
10535 alias set.
10536 * tree-ssa-operands.h (add_to_addressable_set): Declare.
10537 * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
10538 (struct variable_info): Add bitfield is_heap_var.
10539 (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
10540 (new_var_info): Initialize is_heap_var.
10541 (get_constraint_for): Add HEAP variables to the symbol table.
10542 Mark them with is_heap_var.
10543 (update_alias_info): New. Taken mostly from the old
10544 compute_points_to_and_addr_escape.
10545 (handle_ptr_arith): New.
10546 (find_func_aliases): Call update_alias_info.
10547 Call handle_ptr_info for tcc_binary expressions.
10548 Call mark_stmt_modified.
10549 (create_variable_info_for): If DECL has subvars, do not create
10550 variables for its subvars. Always add all the fields.
10551 (set_uids_in_ptset): If the solution includes ANYOFFSET and
10552 SFTs, then add all the SFTs of the structure.
10553 If VI->DECL is an aggregate with subvariables, add the SFT at
10554 VI->OFFSET.
10555 (find_what_p_points_to): If VI is an artificial variable,
10556 translate to bitfields in SSA_NAME_PTR_INFO.
10557 If the solution is empty, set pi->pt_vars to NULL
10558 (init_base_vars): Create ANYOFFSET.
10559 (compute_points_to_sets): Rename from create_alias_vars.
10560 Make extern.
10561 (pass_build_pta): Remove.
10562 (delete_points_to_sets): Rename from delete_alias_vars.
10563 (pass_del_pta): Remove.
10564 * tree-ssa-structalias.h (struct alias_info): Move from
10565 tree-ssa-alias.h.
10566 (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
10567 NUM_REFERENCES_SET): Likewise.
10568 (compute_points_to_sets, delete_points_to_sets): Declare.
10570 2005-07-09 Richard Henderson <rth@redhat.com>
10572 * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
10573 alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
10574 alpha_split_lock_test_and_set_12): New functions.
10575 * config/alpha/alpha-protos.h: Update.
10576 * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
10577 UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
10578 * config/alpha/sync.md (I12MODE): New.
10579 (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
10580 (sync_<fetchop_name><I48MODE>): Likewise.
10581 (sync_nand<I48MODE>): Likewise.
10582 (sync_old_<fetchop_name><I48MODE>): Likewise.
10583 (sync_new_<fetchop_name><I48MODE>): Likewise.
10584 (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
10585 (sync_compare_and_swap<I48MODE>): Likewise.
10586 (sync_lock_test_and_set<I48MODE>): Likewise.
10587 (sync_compare_and_swap<I12MODE>): New.
10588 (sync_compare_and_swap<I12MODE>_1): New.
10589 (sync_lock_test_and_set<I12MODE>): New.
10590 (sync_lock_test_and_set<I12MODE>_1): New.
10592 2005-07-09 Diego Novillo <dnovillo@redhat.com>
10594 PR 21356
10595 PR 22332
10596 * passes.c (execute_todo): Cleanup the CFG before updating SSA.
10598 2005-07-09 Jakub Jelinek <jakub@redhat.com>
10600 * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
10601 in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
10603 2005-07-09 Richard SAndiford <richard@codesourcery.com>
10605 PR target/21656
10606 * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
10608 2005-07-08 David Edelsohn <edelsohn@gnu.org>
10610 * config/rs6000/sync.md (load_locked_<mode>): Use Z for
10611 memory_operand constraint.
10612 (store_conditional_<mode>): Same.
10613 (sync_compare_and_swap<mode>): Same.
10614 (sync_lock_test_and_set<mode>): Same.
10616 2005-07-08 Hans-Peter Nilsson <hp@axis.com>
10618 Rewrite PIC support to more closely model actual instructions.
10619 * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
10620 (cris_symbol): Remove prototypes for removed functions.
10621 (cris_pic_symbol_type_of, cris_valid_pic_const)
10622 (cris_expand_pic_call_address): Prototypes for new functions.
10623 * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
10624 variable.
10625 (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
10626 modifiers.
10627 <case ':'>: Add case for new punctuation character.
10628 <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
10629 emitting (extra) PIC modifier.
10630 <case UNSPEC>: Do not assert for PLT.
10631 (cris_initial_frame_pointer_offset, cris_simple_epilogue)
10632 (cris_expand_prologue, cris_expand_epilogue): Check
10633 for pic_offset_table_rtx usage instead of taking
10634 current_function_uses_pic_offset_table as the final word.
10635 (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
10636 Remove flag_pic difference.
10637 (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
10638 the moral equivalents of...
10639 (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
10640 functions.
10641 (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
10642 (cris_handle_option): Mark ARG as unused.
10643 (cris_expand_pic_call_address): New worker function for "call",
10644 "call_value".
10645 (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
10646 output PIC constructs here.
10647 (cris_output_addr_const_extra): Changes for emitting PIC modifiers
10648 as symbol-specific modifers, not whole or part of operands.
10649 * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
10650 (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
10651 constants and flag_pic.
10652 (CONSTANT_INDEX_P): Adjust for new functions.
10653 (enum cris_pic_symbol_type): New helper type.
10654 (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
10655 * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
10656 (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
10657 define_constants.
10658 ("movsi"): Emit actual instructions for GOT and relative access.
10659 ("*movsi_got_load"): New pattern to set up the register holding
10660 the GOT pointer.
10661 ("*movsi_internal"): Operand 1 is not a plain general_operand.
10662 Adjust FIXME for 'S'.
10663 <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
10664 Use "movs" for -fpic cases.
10665 ("addsi3"): Add alternative for 'S'; use adds.w when possible.
10666 ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
10667 ("call", "call_value"): Just call cris_expand_pic_call_address for
10668 PIC addresses.
10669 ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
10670 Remove special pattern.
10671 ("*expanded_call_side", "*expanded_call_value_side"): New
10672 patterns.
10673 (gotplt-to-plt, gotplt-to-plt-side-call)
10674 (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
10675 peephole2:s.
10676 * config/cris/cris/predicates.md
10677 ("cris_general_operand_or_gotless_symbol"): Remove unused
10678 predicate.
10679 ("cris_general_operand_or_symbol"): Adjust for new functions.
10681 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
10683 * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
10685 2005-07-08 Daniel Berlin <dberlin@dberlin.org>
10687 * Makefile.in (TREE_H): Add treestruct.def.
10688 (c-decl.o): Add pointer-set.h
10689 * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
10690 visibility on regular DECL's.
10691 (merge_decls): Fix the copying of decl nodes of various types for
10692 the new structures. Don't update RTL, section name, weak status,
10693 etc, on DECL's without RTL.
10694 (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
10695 Don't check volatile on non-variable types.
10696 (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
10697 to check whether we have seen arguments.
10698 * c-objc-common.c (c_tree_printer): Reverse order of tests so that
10699 flag is checked before field (flag is common, field is not).
10700 * dwarf2out.c (decl_ultimate_origin): Only DECL's with
10701 TS_DECL_COMMON could have an origin.
10702 (add_location_or_const_value_attribute): Don't check section name
10703 on non-var/function decls.
10704 (dwarf2out_var_location): Reverse order of tests.
10705 * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
10706 with DECL_WRTL_CHECK.
10707 * expmed.c (make_tree): rtl is now in decl_with_rtl.
10708 * fold-const.c (fold_binary): Don't check weakness on
10709 non-var/function decls.
10710 (tree_expr_nonzero_p): Ditto.
10711 (fold_checksum_tree): Use tree_decl_extra as sizeof
10712 buffer.
10713 * ggc-page.c (extra_order_size_table): Add sizes for
10714 tree_decl_non_common, tree_parm_decl, tree_var_decl, and
10715 tree_field_decl.
10716 * gimplify.c (gimplify_bind_expr): Only set
10717 DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
10718 * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
10719 without RTL.
10720 * langhooks-def.h (LANG_HOOK_INIT_TS): New.
10721 * langhooks.h (init_ts). New langhook.
10722 * passes.c (rest_of_decl_compilation): Reverse order of tests.
10723 * print-tree.c (print_node): Update to only print fields that
10724 exist in the structures the passed decl has.
10725 * toplev.c (wrapup_global_declarations): Don't reset
10726 DECL_DEFER_OUTPUT on DECL's that don't contain it.
10727 * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
10728 * tree-inline.c (remap_decl): Ditto.
10729 * tree-outof-ssa.c (create_temp): Reverse order of tests.
10730 * tree-pretty-print.c (print_declaration): Don't print
10731 DECL_REGISTER on things that don't contain it.
10732 * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
10733 non-var/function decls.
10734 * tree.c (tree_contains_struct): New structure.
10735 (init_priority_for_decl): New hashtable.
10736 (tree_int_map): New structure.
10737 (tree_int_map_eq): New function.
10738 (tree_int_map_marked_p): Ditto.
10739 (tree_int_map_hash): Ditto.
10740 (tree_map): Move to tree.h.
10741 (tree_map_eq): Externalize.
10742 (tree_map_hash): Ditto.
10743 (tree_map_marked_p): Ditto.
10744 (init_ttree): Set up tree_contains_struct and call langhook.
10745 (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
10746 (tree_code_size): Update for new structures.
10747 (tree_node_structure): Update for new structures.
10748 (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
10749 without the field.
10750 (copy_node_stat): Copy init priority.
10751 (build_decl_stat): Ditto for visibility.
10752 (ts_enum_names): New.
10753 (tree_contains_struct_check_failed): New function.
10754 (decl_init_priority_lookup): Ditto.
10755 (decl_init_priority_insert): Ditto.
10756 * treestruct.def: New file.
10757 * tree.h (CODE_CONTAINS_STRUCT): New macro.
10758 (CONTAINS_STRUCT_CHECK): Ditto.
10759 (tree_contains_struct_check_failed): New prototype.
10760 (DECL_CHECK): Removed.
10761 (DECL_MINIMAL_CHECK): New.
10762 (DECL_COMMON_CHECK): Ditto.
10763 (DECL_WRTL_CHECK): Ditto.
10764 (DECL_NON_COMMON_CHECK): Ditto.
10765 (DECL_WITH_VIS_CHECK): Ditto.
10766 (VAR_OR_FUNCTION_DECL_P): Ditto
10767 (struct tree_decl_minimal): New structure.
10768 (struct tree_decl_common): Ditto.
10769 (struct tree_decl_with_rtl): Ditto.
10770 (struct tree_decl_with_vis): Ditto.
10771 (struct tree_decl_non_common): Ditto.
10772 (struct tree_field_decl): Ditto.
10773 (struct tree_parm_decl): Ditto.
10774 (struct tree_var_decl): Ditto.
10775 (struct tree_function_decl): Ditto.
10776 (struct tree_const_decl): Ditto.
10777 (struct tree_result_decl): Ditto.
10778 (union tree_node): Add new structures.
10779 * var-tracking.c (track_expr_p): Reverse order of tests.
10781 * doc/c-tree.texi: Add documentation on DECL node internal structure.
10783 2005-07-08 Kazu Hirata <kazu@codesourcery.com>
10785 * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
10786 * system.h: Poison FINALIZE_PIC.
10787 * doc/tm.texi (FINALIZE_PIC): Remove.
10789 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
10791 PR tree-opt/22329
10792 * tree-ssa-propagate.c (fold_predicate_in): Convert the value
10793 to the correct type if we have a MODIFY_EXPR.
10795 2005-07-08 Kazu Hirata <kazu@codesourcery.com>
10797 PR tree-optimization/22360
10798 * tree.c (upper_bound_in_type): Fix calculations for casting
10799 to a non-wider signed type and casting a signed value to a
10800 wider unsigned type.
10801 (lower_bound_in_type): Fix calculations for casting to a
10802 non-wider signed type.
10804 PR tree-optimization/20139
10805 * tree-cfg.c (remove_bb): Check in_ssa_p before calling
10806 release_defs.
10807 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
10808 fold_cond_expr_cond.
10809 * tree-ssanames.c (release_defs): Assert in_ssa_p.
10810 * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
10812 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
10814 PR tree-opt/22356
10815 * tree-complex.c (expand_complex_libcall): Produce
10816 REALPART_EXPR/IMAGPART_EXPR with the correct type.
10818 2005-07-08 Kenneth Zadeck <zadeck@naturalbridge.com>
10820 * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
10821 bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
10822 b" assert and inserted fastpath code for this case.
10823 (bitmap_ior): Removed "a != b" assert.
10825 2005-07-08 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
10827 * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
10828 (ENDFILE_SPEC): Likewise.
10829 * config/m32r/m32r.h (ASM_SPEC): Likewise.
10831 * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
10832 a large stack frame at epilogue.
10834 2005-07-08 David Billinghurst <David.Billinghurst@riotinto.com>
10836 * final.c: Include sdbout.h when required.
10838 2005-07-07 Geoffrey Keating <geoffk@apple.com>
10840 * config.gcc (*-*-darwin*): Only one target-specific header file
10841 for generic darwin.
10842 (powerpc-*-darwin*): Add version-specific header files.
10843 * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
10844 * config.in: Regenerate.
10845 * configure: Regenerate.
10846 * gcc.c: Include xregex.h.
10847 (version_compare_spec_function): New.
10848 (spec_function): Add version-compare.
10849 (replace_outfile_spec_function): Reformat comment.
10850 (compare_version_strings): New.
10851 * config/darwin-c.c (version_as_macro): New.
10852 (builtin_define): New.
10853 (darwin_cpp_builtins): New.
10854 * config/darwin-protos.h (darwin_cpp_builtins): New.
10855 * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
10856 (LIB_SPEC): Make unconditional, update comment.
10857 (TARGET_C99_FUNCTIONS): Define.
10858 * config/darwin.opt: Sort.
10859 (mmacosx-version-min=): New.
10860 * config/darwin7.h: Delete.
10861 * config/darwin8.h: Delete.
10862 * config/i386/darwin.h (): Call darwin_cpp_builtins.
10863 * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
10864 (TARGET_C99_FUNCTIONS): Define.
10865 * config/rs6000/darwin7.h: New.
10866 * config/rs6000/darwin8.h: New.
10867 * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
10868 (-mmacosx-version-min): Document.
10870 2005-07-07 Ian Lance Taylor <ian@airs.com>
10872 * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
10874 2005-07-07 John David Anglin <dave.anglin@nrc-crc.gc.ca>
10876 PR middle-end/22239
10877 * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
10879 2005-07-07 Khem Raj <kraj@mvista.com>
10881 * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
10882 in bytes, not words.
10884 2005-07-07 Paul Brook <paul@codesourcery.com>
10886 * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
10887 DEFAULT_FUNCTION_ARG_PADDING to upward.
10889 2005-07-07 Richard Henderson <rth@redhat.com>
10891 * function.c (locate_and_pad_parm): Record parameter alignment in
10892 stack_alignment_needed.
10894 2005-07-07 David Edelsohn <edelsohn@gnu.org>
10896 * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
10897 UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
10898 (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
10899 UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
10900 (define_attr "type"): Add isync, sync, load_l, store_c.
10901 * config/rs6000/sync.md (memory_barrier): Change to define_expand.
10902 Create scratch volatile MEM.
10903 (sync_internal): New. POWER mnemonic is dcs, not ics. Attribute
10904 sync.
10905 (load_locked_<mode>): New.
10906 (store_conditional_<mode>): New.
10907 (sync_compare_and_swap<mode>): Replace with splitter.
10908 (sync_lock_test_and_set<mode>): Replace with splitter.
10909 (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
10910 and UNSPECV_ISYNC.
10911 (isync): Change to unspec_volatile UNSPECV_ISYNC. POWER mnemonic
10912 is ics. Attribute isync.
10913 (lwsync): Change to unspec_volatile UNSPECV_LWSYNC. Attribute
10914 lwsync.
10915 * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
10916 and UNSPECV_SYNC_OP.
10917 (emit_unlikely_jump): New.
10918 (emit_load_locked): New.
10919 (emit_store_conditional): New.
10920 (rs6000_split_compare_and_swap): New.
10921 (rs6000_split_lock_test_and_set): New.
10922 (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
10923 TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
10924 * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
10925 rs6000_split_lock_test_and_set): Declare.
10926 * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
10927 mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
10928 store_c, isync, sync.
10930 2005-07-07 Kelley Cook <kcook@gcc.gnu.org>
10932 * Makefile.in (echo_quoted_to_gtyp): New template for outputing
10933 filenames to gtyp-gen.h.
10934 (s-typ-gen): Use it in place of for loops.
10936 2005-07-07 J"orn Rennecke <joern.rennecke@st.com>
10938 * hooks.c (hook_bool_rtx_int_false): New function.
10939 * hooks.h (hook_bool_rtx_int_false): Declare.
10940 * target-def.h (TARGET_COMMUTATIVE_P): Define.
10941 (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
10942 * target.h (struct gcc_target): Add commutative_p member.
10943 * targhooks.c (hook_bool_rtx_commutative_p): New function.
10944 * targhooks.h (hook_bool_rtx_commutative_p): Declare.
10945 * pa.c (TARGET_COMMUTATIVE_P): Redefine.
10946 (pa_commutative_p): New function.
10947 * jump.c (target.h): Include.
10948 (rtx_renumbered_equal_p): Use targetm.commutative_p.
10949 * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
10951 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
10953 * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
10954 (s390_expand_setmem): New.
10955 * config/s390/s390.c: Likewise.
10956 (print_shift_count_operand): Truncate to 12 bits instead of 6.
10957 Adapt comments.
10958 * config/s390/s390.md: ("setmem<mode>"): Accept character as
10959 general_operand. Call new function "s390_expand_setmem".
10960 ("clrmem_long", "*clrmem_long"): Rewrite to ...
10961 ("setmem_long", "*setmem_long"): ... this.
10963 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
10965 * config/s390/s390.c: (optimization_options): Enable
10966 TARGET_MVCLE at -Os.
10967 * doc/invoke.texi: Document changes in default behaviour.
10968 * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
10970 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
10972 * expr.c: (set_storage_via_setmem): Convert opchar to mode
10973 defined by back-end.
10975 2005-07-07 Jakub Jelinek <jakub@redhat.com>
10977 * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
10978 all sets in the pattern.
10979 * config/rs6000/rs6000.md (stack_protect_testsi,
10980 stack_protect_testdi): Likewise.
10982 2005-07-06 Jeff Law <law@redhat.com>
10984 * tree-vrp.c (simplify_using_ranges): Kill.
10985 (vrp_finalize): Remove call to simplify_using_ranges.
10986 (simplify_stmt_using_ranges): New function extracted from
10987 simplify_using_ranges.
10988 (simplify_div_or_mod_using_ranges): Likewise.
10989 (simplify_abs_using_ranges): Likewise.
10990 (simplify_cond_using_ranges): New function.
10991 * tree-flow.h (simplify_stmt_using_ranges): Prototype.
10992 * tree-ssa-propagate.c (substitute_and_fold): Call
10993 simplify_stmt_using_ranges if we have range information.
10995 2005-07-06 James E. Wilson <wilson@specifixinc.com>
10997 * config/ia64/ia64.c (ia64_reorg): Check optimize before
10998 ia64_flag_schedule_isns2.
11000 * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
11001 reading/writing general registers.
11002 (ia64_function_arg): Revert 2005-06-18 change.
11004 2005-07-06 John David Anglin <dave.anglin@nrc-crnc.gc.ca>
11006 * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
11007 (legitimize_tls_address): Use gcc_unreachable instead of abort.
11009 2005-07-06 Kaz Kojima <kkojima@gcc.gnu.org>
11011 * function.c (expand_function_end): Revert part of 2005-06-27
11012 patch. Do sjlj_emit_function_exit_after after return_label.
11014 2005-07-06 Kazu Hirata <kazu@codesourcery.com>
11016 * doc/install.texi (--disable-libssp): New.
11018 2005-07-06 Fariborz Jahanian <fjahanian@apple.com>
11020 * doc/invoke.texi: Update -fforce-mem documentation.
11021 * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
11022 code for -fforce-mem.
11023 * expmed.c: (store_bit_field,store_fixed_bit_field,
11024 extract_bit_field): Ditto.
11025 * expr.c: (convert_move): Ditto.
11026 * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
11027 expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
11028 emit_conditional_add,expand_float,expand_fix): Ditto.
11029 * opts.c: (decode_options): Remove setting of flag_force_mem flag.
11030 (common_handle_option): Issue warning when -fforce-mem specified.
11032 2005-07-06 Paul Brook <paul@codesourcery.com>
11034 * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
11035 argument is empty.
11036 * configure: Regenerate.
11038 2005-07-06 J"orn Rennecke <joern.rennecke@st.com>
11040 * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
11042 2005-07-06 Daniel Berlin <dberlin@dberlin.org>
11044 Fix PR tree-optimization/22319
11045 Fix PR tree-optimization/22140
11046 Fix PR tree-optimization/22310
11048 * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
11049 variable sized types.
11050 Use correct type for intermediate structure on *a = *b structure
11051 copies.
11053 2005-07-06 Jakub Jelinek <jakub@redhat.com>
11055 * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
11056 Remove.
11057 (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
11058 (machine_function): Move typedef to...
11059 * config/rs6000/rs6000.c (machine_function): ... here. Add
11060 varargs_save_offset field.
11061 (rs6000_stack_t): Remove varargs_size field.
11062 (setup_incoming_varargs): Allocate varargs save area using
11063 assign_stack_local, try to make it as small as possible.
11064 Save offset from virtual_stack_vars_rtx to the save area
11065 in cfun->machine->varargs_save_offset. Use UNITS_PER_FP_WORD
11066 instead of magic 8 when fp word byte size is used.
11067 (rs6000_va_start): Use cfun->machine->varargs_save_offset
11068 instead of -RS6000_VARARGS_SIZE.
11069 (rs6000_stack_info, debug_stack_info,
11070 rs6000_initial_elimination_offset): Remove all traces of
11071 varargs_size.
11072 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
11073 * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
11074 RS6000_VARARGS_AREA.
11076 2005-07-06 Zdenek Dvorak <dvorakz@suse.cz>
11078 PR tree-optimization/21963
11079 * tree-ssa-loop-ivopts.c (get_computation_aff): Use
11080 constant_multiple_of in the same way get_computation_cost_at does.
11082 2005-07-06 Jakub Jelinek <jakub@redhat.com>
11084 * config/sparc/sparc.h (sparc_compare_emitted): New extern.
11085 * config/sparc/sparc.c (sparc_compare_emitted): New variable.
11086 (gen_compare_reg): If sparc_compare_emitted is set, clear it
11087 and return its previous value.
11088 (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
11089 * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
11090 constants.
11091 (stack_protect_set, stack_protect_test): New expanders.
11092 (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
11093 stack_protect_testdi): New insns.
11094 * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
11095 * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
11097 2005-07-06 Jeff Law <law@redhat.com>
11099 * tree-ssa-dce.c (cfg_altered): New global.
11100 (tree_dce_init): Initialize cfg_altered.
11101 (remove_dead_stmt): If we remove an edge in the CFG, then set
11102 CFG_ALTERED.
11103 (perform_tree_ssa_dce): If we altered the CFG, then invalidate
11104 the dominators.
11106 2005-07-06 Kazu Hirata <kazu@codesourcery.com>
11108 * Makefile.in (stamp-collect-ld): Use
11109 $(ORIGINAL_LD_FOR_TARGET) instead of $<. Don't remove
11110 ./collect-ld if it already exists.
11111 (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
11112 Don't remove ./nm if it already exists.
11114 2005-07-05 Devang Patel <dpatel@apple.com>
11116 * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
11117 (LOOP_VINFO_LOC, LOOP_LOC): Remove.
11118 * tree-vectorizer.c (vect_loop_location): New.
11119 (vect_print_dump_info): Use vect_loop_location.
11120 (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
11121 (vectorize_loops): Set vect_loop_location.
11122 * tree-vect-analyze.c (vect_analyze_offset_expr,
11123 vect_determin_vectorization_factor, vect_analyze_operations,
11124 vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
11125 vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
11126 vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
11127 vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
11128 vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
11129 vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
11130 vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
11131 vect_analyze_loop): Adjust vect_print_dump_info API.
11132 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
11133 vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
11134 vect_finish_stmt_generation, vectorizable_assignment,
11135 vectorizable_operation, vectorizable_store, vectorizable_load,
11136 vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
11137 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
11138 vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
11139 vect_transform_loop): Same.
11140 * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
11141 vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
11142 Same.
11144 2005-07-05 Randolph Chung <tausq@debian.org>
11146 * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
11147 * configure: Regenerate.
11148 * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
11149 (pa_tls_referenced_p): Declare.
11150 * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
11151 (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
11152 (legitimize_tls_address): New.
11153 (hppa_legitimize_address): Handle TLS addresses.
11154 (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
11155 (TARGET_CANNOT_FORCE_CONST_MEM): Define.
11156 (emit_move_sequence): Handle TLS addresses.
11157 (pa_encode_section_info): Call default handler to handle common
11158 sections.
11159 * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
11160 (CONSTANT_ADDRESS_P): Reject TLS operands.
11161 (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
11162 * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
11163 (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
11164 (UNSPEC_TLSLE): Define new constants.
11165 (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
11166 * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
11167 (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
11168 (tie_symbolic_operand, tle_symbolic_operand): New
11170 2005-07-06 Kelley Cook <kcook@gcc.gnu.org>
11172 * aclocal.m4: Update macros for autoconf 2.59 style.
11173 * configure.ac: Likewise.
11175 2005-07-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11177 * pa.c (function_value): Handle small aggregates on 32-bit targets.
11178 (function_arg): Pass small aggregates in general registers on 32-bit
11179 targets.
11180 * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
11182 2005-07-05 Andrew Pinski <pinskia@physics.uc.edu>
11184 * Makefile.in (final.o): Fix dependencies.
11186 2005-07-05 Joseph S. Myers <joseph@codesourcery.com>
11188 PR c/22013
11189 PR c/22098
11190 * langhooks.h (struct lang_hooks): Add expr_to_decl.
11191 * langhooks.c (lhd_expr_to_decl): New.
11192 * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
11193 New.
11194 (LANG_HOOKS_INITIALIZER): Update.
11195 * tree.c (recompute_tree_invarant_for_addr_expr): Call
11196 expr_to_decl langhook.
11197 * c-tree.h (c_expr_to_decl): Declare.
11198 * c-typeck.c (c_expr_to_decl): New.
11199 (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
11200 specially.
11201 * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
11203 2005-07-05 Joseph S. Myers <joseph@codesourcery.com>
11205 PR c/22308
11206 * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
11207 C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
11209 2005-07-05 Paolo Bonzini <bonzini@gnu.org>
11211 * Makefile.in: Adjust dependencies.
11212 * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
11213 * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
11214 * alias.c (rest_of_handle_cfg, pass_cfg): New.
11215 * bb-reorder.c (duplicate_computed_gotos): Make it static.
11216 * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
11217 rest_of_compilation.
11219 * bb-reorder.c (gate_duplicate_computed_gotos,
11220 pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
11221 rest_of_handle_reorder_blocks, pass_reorder_blocks,
11222 gate_handle_partition_blocks, rest_of_handle_partition_blocks,
11223 pass_partition_blocks): New.
11224 * bt-load.c (gate_handle_branch_target_load_optimize,
11225 rest_of_handle_branch_target_load_optimize,
11226 pass_branch_target_load_optimize): New.
11227 * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
11228 pass_jump2): New.
11229 * cfglayout.c (pass_insn_locators_initialize): New.
11230 * cfgrtl.c (pass_free_cfg): New.
11231 * combine.c (gate_handle_combine, rest_of_handle_combine,
11232 pass_combine): New.
11233 * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
11234 gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
11235 * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
11236 * except.c (pass_set_nothrow_function_flags,
11237 pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
11238 pass_rtl_eh): New.
11239 * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
11240 rest_of_handle_shorten_branches, pass_shorten_branches,
11241 rest_of_clean_state, pass_clean_state): New.
11242 * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
11243 rest_of_handle_remove_death_notes, pass_remove_death_notes,
11244 rest_of_handle_life, pass_life, rest_of_handle_flow2,
11245 pass_flow2): New.
11246 * function.c (pass_instantiate_virtual_regs, pass_init_function,
11247 rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
11248 * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
11249 pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
11250 pass_gcse): New.
11251 * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
11252 * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
11253 pass_rtl_ifcvt, gate_handle_if_after_combine,
11254 rest_of_handle_if_after_combine, pass_if_after_combine,
11255 gate_handle_if_after_reload, rest_of_handle_if_after_reload,
11256 pass_if_after_reload): New.
11257 * integrate.c (pass_initial_value_sets): New.
11258 * jump.c (pass_cleanup_barriers, purge_line_number_notes,
11259 pass_purge_lineno_notes): New.
11260 * mode-switching.c (rest_of_handle_mode_switching,
11261 pass_mode_switching): New.
11262 * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
11263 * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
11264 pass_loop2): New.
11265 * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
11266 pass_loop_optimize): New.
11267 * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
11268 pass_sms): New.
11269 * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
11270 pass_gcse2): New.
11271 * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
11272 pass_postreload_cse): New.
11273 * profile.c (gate_handle_profiling, pass_profiling,
11274 rest_of_handle_branch_prob, pass_branch_prob): New.
11275 * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
11276 pass_split_before_regstack, gate_handle_split_before_regstack,
11277 gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
11278 rest_of_handle_split_all_insns, pass_split_all_insns): New.
11279 * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
11280 pass_stack_regs): New.
11281 * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
11282 gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
11283 pass_stack_adjustments): New.
11284 * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
11285 pass_regrename): New.
11286 * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
11287 pass_delay_slots, gate_handle_machine_reorg,
11288 rest_of_handle_machine_reorg, pass_machine_reorg): New.
11289 * rtl.h (extern void purge_line_number_notes): New.
11290 * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
11291 gate_handle_sched2, rest_of_handle_sched2, pass_sched,
11292 pass_sched2): New.
11293 * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
11294 pass_tracer): New.
11295 * value-prof.c (gate_handle_value_profile_transformations,
11296 rest_of_handle_value_profile_transformations,
11297 pass_value_profile_transformations): New.
11298 * var-tracking.c (gate_handle_var_tracking,
11299 pass_variable_tracking): New.
11300 * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
11302 * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
11303 rest_of_handle_delay_slots, rest_of_handle_stack_regs,
11304 rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
11305 rest_of_handle_old_regalloc, rest_of_handle_regrename,
11306 rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
11307 rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
11308 rest_of_handle_gcse2, rest_of_handle_regmove,
11309 rest_of_handle_tracer, rest_of_handle_if_conversion,
11310 rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
11311 rest_of_handle_web, rest_of_handle_branch_prob,
11312 rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
11313 rest_of_handle_jump_bypass, rest_of_handle_combine,
11314 rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
11315 rest_of_handle_gcse, rest_of_handle_loop_optimize,
11316 rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
11317 rest_of_handle_mode_switching, rest_of_handle_jump,
11318 rest_of_handle_eh, rest_of_handle_stack_adjustments,
11319 rest_of_handle_flow2, rest_of_handle_jump2,
11320 rest_of_handle_peephole2, rest_of_handle_postreload,
11321 rest_of_handle_shorten_branches, rest_of_clean_state,
11322 rest_of_compilation): Remove.
11324 * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
11325 * passes.c (dump_flags, in_gimple_form, all_passes,
11326 all_ipa_passes, all_lowering_passes, register_one_dump_file,
11327 register_dump_files, next_pass_1, last_verified, execute_todo,
11328 execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
11329 from tree-optimize.c.
11330 (init_optimization_passes): Moved from tree-optimize.c,
11331 adding the RTL optimizations.
11332 * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
11333 * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
11334 all_ipa_passes, all_lowering_passes, register_one_dump_file,
11335 register_dump_files, next_pass_1, last_verified, execute_todo,
11336 execute_one_pass, execute_pass_list, execute_ipa_pass_list,
11337 init_tree_optimization_passes, ipa_passes): Delete.
11338 * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
11339 the RTL dumps.
11340 (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
11341 dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
11342 from tree.h.
11343 (ipa_passes): Remove.
11344 (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
11345 * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
11346 dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
11347 dump_switch_p, dump_flag_name): Moved to tree-pass.h.
11348 (dump_info_p, dump_flag): Moved to tree-dump.h.
11350 * Makefile.in: Adjust dependencies for tree-pretty-print.c,
11351 cgraph.c, opts.c.
11352 * passes.c (finish_optimization_passes): Use dump_begin
11353 and dump_end, TDI_end.
11354 (gate_rest_of_compilation): New.
11355 (pass_rest_of_compilation): Use it.
11356 (gate_postreload, pass_postreload): New.
11357 * toplev.c (general_init): Rename init_tree_optimization_passes.
11358 * toplev.h (init_tree_optimization_passes): Rename to
11359 init_optimizations_passes.
11360 * tree-dump.c (dump_flag): Make static.
11361 (dump_files): Remove RTL dumps.
11362 * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
11363 pass_cleanup_cfg, pass_free_cfg_annotations,
11364 pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
11365 pass_init_datastructures, pass_fixup_cfg): Make non-static.
11366 * tree-pretty-print.c: Include tree-pass.h.
11367 * cgraph.c: Include tree-dump.h.
11369 2005-07-04 Daniel Berlin <dberlin@dberlin.org>
11371 * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
11372 Only fall back to saying it points to readonly memory if
11373 we can't do better.
11375 2005-07-05 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
11377 * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
11378 * config/m32r/m32r.c (m32r_compute_frame_size,
11379 m32r_expand_prologue): Take current_function_profile into
11380 account whenever we reference
11381 current_function_uses_pic_offset_table.
11382 (m32r_finalize_pic): Remove.
11383 * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
11385 2005-07-05 Kazu Hirata <kazu@codesourcery.com>
11387 * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
11388 instead of $<. Don't remove ./as if it already exists.
11390 2005-07-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11392 PR target/21723
11393 * pa.md: Remove fcpy alternative from movhi and movqi patterns.
11394 * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
11395 for complex modes when generating code for PA 1.0.
11396 (VALID_FP_MODE_P): New macro.
11397 (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P. Use non-overlapping register
11398 sets for all general and floating point modes. Align wide floating
11399 point modes to even register boundaries to comply with architectural
11400 requirements.
11401 (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
11402 * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
11403 (VALID_FP_MODE_P): New macro.
11404 (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P. Use non-overlapping register
11405 sets for all general and floating point modes. Align wide floating
11406 point modes to even register boundaries to comply with architectural
11407 requirements.
11409 2005-07-04 Diego Novillo <dnovillo@redhat.com>
11411 * tree-dump.c (dump_files): Initialize dump number for .cgraph
11412 to 0.
11414 2005-07-04 Diego Novillo <dnovillo@redhat.com>
11416 * tree-ssa-structalias.c: Don't include expr.h.
11418 2005-07-04 Diego Novillo <dnovillo@redhat.com>
11420 * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
11421 comments.
11423 2005-07-04 Daniel Berlin <dberlin@dberlin.org>
11425 Fix PR tree-optimization/22279
11427 * tree-ssa-structalias.c (offset_overlaps_with_access): Use
11428 correct operator.
11430 2005-07-04 J"orn Rennecke <joern.rennecke@st.com>
11432 * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
11434 2005-07-03 Joseph S. Myers <joseph@codesourcery.com>
11436 * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
11437 cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
11438 config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
11439 config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
11440 config/stormy16/stormy16.c, config/v850/v850.c,
11441 config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
11442 except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
11443 Avoid "." or "\n" at end of diagnostics and capital letters at
11444 start of diagnostics.
11445 * combine.c, cse.c: Don't translate dump file output.
11446 * toplev.c (print_version): Only translate output if going to
11447 stderr.
11449 2005-07-03 Kazu Hirata <kazu@codesourcery.com>
11451 * c-decl.c, tree-object-size.c, tree-vectorizer.c,
11452 config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
11453 typos.
11455 2005-07-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11457 * pa.c (fix_range): Fix typo in comment.
11459 2005-07-03 Kazu Hirata <kazu@codesourcery.com>
11461 * tree-vrp.c (extract_range_from_assert): Replace
11462 fold (build (...)) with fold_build2.
11464 2005-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11466 * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
11467 gcc_gfc_char_table, init_dynamic_gfc_info): New.
11468 (format_types_orig, handle_format_attribute): Add support for
11469 format "gcc_gfc".
11471 2005-07-03 Gabriel Dos Reis <gdr@integrable-solutions.net>
11473 * varasm.c (assemble_variable): Fix format specifier thinko.
11475 2005-07-03 Ira Rosen <irar@il.ibm.com>
11477 PR tree-optimization/22029 (and 22135)
11478 * tree-pretty-print.c (dump_generic_node): Check that the node is not
11479 a phi node before calling dump_vops.
11481 2005-07-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
11483 * tree-dump.h (dump_string_field): Declare.
11484 * tree-dump.c: Use it instead of dump_string.
11485 (dump_string_field): Make non-static.
11487 2005-07-03 Kaz Kojima <kkojima@gcc.gnu.org>
11489 * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
11490 up the minimal CFG stuff always when optimize > 0. Call
11491 split_all_insns_noflow in PIC case if needed.
11493 2005-07-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
11494 Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
11496 PR c++/18279
11497 * c-decl.c (c_write_global_declarations): Dump contents of
11498 external scope to.
11499 * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
11500 <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
11501 <GOTO_EXPR>, <SWITCH_EXPR>: Add.
11502 (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
11503 is enabled.
11505 2005-07-03 Joseph S. Myers <joseph@codesourcery.com>
11507 * c-common.h (GCC_DIAG_STYLE): Define.
11508 * c-tree.h (GCC_DIAG_STYLE): Do not define. Change minimum GCC
11509 version for format checking to 4.1.
11510 * c-format.c: Include toplev.h after c-common.h.
11511 (enum format_type): Add gcc_tdiag_format_type.
11512 (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
11513 gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
11514 (format_types_orig): Add gcc_tdiag.
11515 (init_dynamic_diag_info): Support gcc_tdiag formats.
11516 (handle_format_attribute): Likewise.
11517 * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
11518 (GCC_DIAG_STYLE): Default to __gcc_tdiag__. Change minimum GCC
11519 version for format checking to 4.1.
11520 (warning0, warning, error, pedwarn, sorry): Use
11521 ATTRIBUTE_GCC_DIAG.
11522 * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
11523 (finish_aliases_1): Do not use %qE.
11524 * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
11525 config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
11526 Correct format bugs.
11527 * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
11528 parameter to unsigned HOST_WIDE_INT.
11529 * config/v850/v850.c (v850_output_aligned_bss): Likewise.
11531 2005-07-02 David Edelsohn <edelsohn@gnu.org>
11533 PR middle-end/21742
11534 * expr.c (write_complex_part): Use adjust_address for MEM.
11535 (read_complex_part): Same.
11537 2005-07-02 Daniel Berlin <dberlin@dberlin.org>
11539 Fix PR tree-optimization/22280
11541 * tree-sra.c (generate_element_init): Remove useless loop.
11543 2005-07-02 Richard Henderson <rth@redhat.com>
11545 * config/alpha/alpha.c (alpha_legitimize_address): Check for
11546 TLS_MODEL_NONE.
11547 (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
11549 2005-07-02 Andrew Pinski <pinskia@physics.uc.edu>
11551 PR middle-end/14490
11552 * fold-const.c (fold_binary): Handle the return value of
11553 fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
11554 Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
11556 2005-07-02 Jeff Law <law@redhat.com>
11558 * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
11559 a eliminate type conversion which feeds an equality comparison
11560 if the original type or either operand in the comparison is a
11561 function pointer.
11563 2005-07-02 Joseph S. Myers <joseph@codesourcery.com>
11565 * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
11566 config/rs6000/rs6000.opt, params.def: Remove "." from end of help
11567 texts.
11568 * config/avr/avr.c: Do not use '`' as left quote.
11569 * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
11570 Remove "." from end of diagnostics. Make diagnostics start with
11571 lowercase letter.
11573 2005-07-02 Zack Weinberg <zack@codesourcery.com>
11574 Joseph S. Myers <joseph@codesourcery.com>
11576 * toplev.c (default_tree_printer): Handle setting location with
11577 '+' flag.
11578 * c-objc.common.c (c_tree_printer): Likewise.
11579 * c-format.c (gcc_diag_flag_specs): Add '+'.
11580 (gcc_cdiag_char_table): Allow '+' flag for tree formats.
11581 (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
11582 formats.
11583 * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
11584 config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
11585 config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
11586 config/v850/v850.c, function.c, stor-layout.c, toplev.c,
11587 tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
11588 instead of %J or %H. Use 'q' flag for quoting. Avoid '.' at end
11589 of diagnostics. Use %q+D not %s for a decl. Do not pass excess
11590 format arguments where %J is used without %D.
11592 2005-07-02 Jakub Jelinek <jakub@redhat.com>
11594 * gcc.c (LINK_SSP_SPEC): Define.
11595 (link_ssp_spec): New variable.
11596 (LINK_COMMAND_SPEC): Add %(link_ssp).
11597 (static_specs): Add link_ssp_spec.
11598 * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
11599 * configure: Rebuilt.
11600 * config.in: Rebuilt.
11602 * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
11603 * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
11604 * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
11605 * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
11606 * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
11607 If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
11608 -0x7008(2) instead of reading __stack_chk_guard variable.
11609 * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
11610 number.
11611 (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
11612 (stack_protect_set, stack_protect_test): Use *_tls* patterns
11613 if TARGET_THREAD_SSP_OFFSET is defined.
11614 (stack_tls_protect_set_si, stack_tls_protect_set_di,
11615 stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
11617 Revert:
11618 2005-06-27 Richard Henderson <rth@redhat.com>
11619 * libgcc-std.ver (GCC_4.1.0): New.
11620 * libgcc.h (__stack_chk_guard): Declare.
11621 (__stack_chk_fail, __stack_chk_fail_local): Declare.
11622 * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
11623 * mklibgcc.in (lib2funcs): Add them.
11625 2005-07-01 Richard Henderson <rth@redhat.com>
11627 * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
11628 void * before struct sigcontext *.
11629 (x86_fallback_frame_state): Likewise.
11631 2005-07-01 James E. Wilson <wilson@specifixinc.com>
11633 * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
11635 2005-07-01 Andrew Pinski <pinskia@physics.uc.edu>
11637 PR tree-opt/22269
11638 * tree-ssa-reassoc.c (should_transpose): Fix which operand
11639 we check for SSA_NAME for.
11641 2005-07-01 Daniel Berlin <dberlin@dberlin.org>
11643 Fix PR tree-optimization/22071
11645 * tree-ssa-structalias.c (offset_overlaps_with_access): New
11646 function.
11647 (get_constraint_for_component_ref): Use it.
11649 2005-07-01 Andrew Pinski <pinskia@physics.uc.edu>
11651 PR other/22264
11652 * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
11653 print out the last new line.
11655 2005-07-01 Hans-Peter Nilsson <hp@axis.se>
11657 * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
11658 Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
11659 * config/cris/cris.c (cris_conditional_register_usage): Adjust
11660 reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
11661 (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
11662 (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
11663 * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
11664 (enum reg_class): New member CC0_REGS.
11665 (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
11666 (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
11667 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
11668 (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
11669 (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
11670 Adjust for register now described.
11672 2005-07-01 Jakub Jelinek <jakub@redhat.com>
11674 PR target/22262
11675 * config/i386/i386.md (stack_protect_test_si,
11676 stack_protect_test_di): Add earlyclobber for scratch 3.
11677 * config/rs6000/rs6000.md (stack_protect_testsi,
11678 stack_protect_testdi): Add earlyclobber for scratch 3,
11679 remove earlyclobber from scratch 4.
11681 Older entries for 2005 can be found in ChangeLog-2005.