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PR c++/19797
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1 2005-03-04  John David Anglin  <dave.danglin@nrc-cnrc.gc.ca>
2             Joseph S. Myers  <joseph@codesourcery.com>
3
4         PR c++/19797
5         * elf.h, pa64-hpux.h, som.h (ASM_OUTPUT_EXTERNAL_REAL): Define.
6         (ASM_OUTPUT_EXTERNAL): Call pa_hpux_asm_output_external.
7         * pa-protos.h (pa_hpux_asm_output_external): Add prototype.
8         * pa.c (get_plabel): Change argument to symbol_ref.  Call
9         maybe_get_identifier instead of get_identifier.
10         (pa_hpux_asm_output_external, pa_hpux_file_end): New functions.
11         (struct deferred_plabel): Replace name field with symbol field.
12         (TARGET_ASM_FILE_END): Define as pa_hpux_file_end if
13         ASM_OUTPUT_EXTERNAL_REAL is defined.
14         (output_global_address): Use output_addr_const for output of all
15         symbol_refs.
16         (output_deferred_plabels): Use symbol_ref instead of name for address
17         output.
18         * pa.h (SYMBOL_FLAG_REFERENCED, SYMBOL_REF_REFERENCED_P,
19         ASM_OUTPUT_SYMBOL_REF): New macros.
20         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Use assemble_name_raw.  Update
21         comment.
22         (ASM_WEAKEN_LABEL): Use targetm.asm_out.globalize_label to globalize
23         label.
24
25 2005-03-05  Joseph S. Myers  <joseph@codesourcery.com>
26
27         * config.gcc (hppa*64*-*-hpux11*): Use pa/pa-hpux1111.h for
28         *-*-hpux11.[1-9]*, not just for *-*-hpux11.11.
29
30 2005-03-04  Jeff Law  <law@redhat.com>
31
32         * basic-block.h (rediscover_loops_after_threading): Declare.
33         * tree-ssa-dom.c: Include cfgloop.h.
34         (tree_ssa_dominator_optimize): Discover loops and some basic
35         properties.  Remove forwarder blocks recreated by loop header
36         canonicalization.  Also mark backedges in the CFG.
37         * tree-ssa-threadupdate.c: Include cfgloop.h
38         (rediscover_loops_after_threading): Define.
39         (struct local_info): New field, JUMP_THREADED.
40         (prune_undesirable_thread_requests): New function.
41         (redirect_edges): Clear EDGE_ABNORMAL.  If edges were threaded
42         then record that fact for the callers of redirct_edges.
43         (thread_block): If BB has incoming backedges, then call
44         prune_undesirable_thraed_requests.    Note when we are
45         going to have to rediscover loop information.  Return a
46         boolean indicating if any jumps were threaded.
47         (thread_through_all_blocks): Bubble up boolean indicating
48         if any jumps were threaded.
49         * Makefile.in (tree-ssa-dom.o): Depend on cfgloop.h
50         (tree-ssa-threadupdate.o): Similarly.
51
52 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
53
54         * fold-const.c (fold_ternary): Unroll the "for" loop to
55         extract operands.  
56
57 2005-03-04  Andrew Haley  <aph@redhat.com>
58
59         * unwind-dw2-fde-glibc.c (struct
60         unw_eh_callback_data.check_cache): New field.
61         (frame_hdr_cache): New.
62         (_Unwind_IteratePhdrCallback): Add ext_dl_phdr_info.
63         Cache frame header info.
64
65 2005-03-04  Richard Sandiford  <rsandifo@redhat.com>
66
67         * rtl.h (copy_rtx_ptr_loc, print_rtx_ptr_loc, join_c_conditions)
68         (print_c_condition): Declare.
69         * read-rtl.c (ptr_loc): New structure.
70         (ptr_locs, ptr_loc_obstack, joined_conditions)
71         (joined_conditions_obstack): New variables.
72         (leading_ptr_hash, leading_ptr_eq_p, set_rtx_ptr_loc)
73         (get_rtx_ptr_loc, copy_rtx_ptr_loc, print_rtx_ptr_loc)
74         (join_c_conditions, print_c_condition): New functions.
75         (apply_macro_to_string): Associate the new string with the same
76         source location as the old one.
77         (add_condition_to_string): Use join_c_conditions.
78         (read_string): Use set_rtx_ptr_loc to record a filename and line
79         number for the string.
80         (read_rtx): Initialize the new variables above.
81         * genattrtab.c (write_test_expr, write_attr_value): Use
82         print_c_condition.
83         * genconditions.c (write_header): Don't define MAYBE_EVAL.  Move its
84         comment above the GCC_VERSION check.
85         (write_one_condition): Use print_rtx_ptr_loc and print_c_condition.
86         Inline the definition of MAYBE_EVAL.
87         * genemit.c (gen_expand, gen_split): Use print_rtx_ptr_loc.
88         * genoutput.c (process_template): Likewise.
89         * genpreds.c (write_predicate_subfunction): Likewise.
90         (write_predicate_expr): Use print_c_condition.
91         * genrecog.c (write_cond): Likewise.
92         * gensupport.c (process_rtx): Use join_c_conditions to join the
93         conditions of a define_insn_and_split.  Record a source location
94         for the string after the "&&".
95         (alter_test_for_insn): Use join_c_conditions.
96
97 2005-03-04  Andrew Pinski  <pinskia@physics.uc.edu>
98
99         Revert for now:
100         2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
101         PR tree-optimization/15784
102         * fold-const.c (fold): Fold ~A + 1 to -1.  Fold -A - 1
103         and -1 - A to ~A.
104
105 2005-03-04  Ben Elliston  <bje@au.ibm.com>
106
107         * gcc.c (option_map): Add --coverage.
108         (LINK_COMMAND_SPEC): Pass -lgcov for `coverage'.
109         (cc1_options): Pass -fprofile-arcs -ftest-coverage for `coverage'.
110         * config/darwin.h: Pass -lgcov for `coverage'.
111         * doc/invoke.texi (Debugging Options): Document --coverage.
112
113 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
114
115         * gcse.c (bypass_block): Use find_edge wherever possible.
116
117 2005-03-03  Daniel Berlin <dberlin@dbrelin.org>
118
119         Fix PR debug/20253
120         
121         * c-opts.c (c_common_parse_file): Call start_source_file
122         and end_source_file at the approriate times.
123
124         * dwarf2out.c (dwarf2out_finish): Don't auto-end
125         the main file, it will be done for us now.
126         
127 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
128
129         * fold-const.c (fold_ternary): New.
130         (fold): Call fold_ternary on ternary expressions.  Remove
131         handling of ternary expressions.
132
133 2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
134
135         PR tree-optimization/15784
136         * fold-const.c (fold): Fold ~A + 1 to -1.  Fold -A - 1
137         and -1 - A to ~A.
138
139 2005-03-03  David Edelsohn  <edelsohn@gnu.org>
140
141         * config/rs6000/predicates.md (branch_comparison_operator):
142         Convert from C block to conditional format.
143
144 2005-03-03  Jan Hubicka  <jh@suse.cz>
145
146         * tree-dfa.c (add_referenced_var): Don't walk initializer of external
147         and non-constant public variables.
148
149 2005-03-03  Kazu Hirata  <kazu@cs.umass.edu>
150
151         * tree-cfg.c (stmt_starts_bb_p): Clean up by replacing code
152         with LABEL_EXPR.
153
154         * cfgexpand.c (construct_exit_block): Use EDGE_PRED instead of
155         EDGE_I.
156
157         * tree-phinodes.c (remove_phi_node): Clean up by factoring out
158         calls to release_ssa_name and release_phi_node.
159
160         * fold-const.c (fold): Remove handling of unary expressions.
161
162         * fold-const.c (fold_unary): Avoid directly using the original
163         expression t as much as possible.
164
165 2005-03-03  Roger Sayle  <roger@eyesopen.com>
166             Andrew Pinski  <pinskia@physics.uc.edu>
167
168         * jump.c (redirect_exp_1): If nlabel is a NULL pointer create a
169         RETURN rtx, and not a LABEL_REF containing a NULL pointer.
170
171 2005-03-03  Hans-Peter Nilsson  <hp@axis.com>
172
173         Describe special registers SRP and MOF as allocatable registers.
174         * config/cris/cris.c (cris_md_asm_clobbers): New function.
175         (TARGET_MD_ASM_CLOBBERS): Define to cris_md_asm_clobbers.
176         (cris_conditional_register_usage): Enable CRIS_MOF_REGNUM if
177         TARGET_HAS_MUL_INSNS.
178         (cris_print_operand) <case 'd'>: New case.
179         <case REG>: Allow CRIS_MOF_REGNUM and CRIS_SRP_REGNUM.
180         * config/cris/cris.h (CRIS_PC_REGNUM, CRIS_SRP_REGNUM): Don't
181         define.
182         (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS)
183         (REG_ALLOC_ORDER): Update for MOF.
184         (enum reg_class): New members MOF_REGS, GENERAL_REGS and
185         SPECIAL_REGS.
186         (GENERAL_REGS): No longer a define of ALL_REGS.
187         (REGNO_REG_CLASS, REG_CLASS_CONTENTS, REG_CLASS_NAMES)
188         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
189         Adjust accordingly.
190         (CRIS_SPECIAL_REGS_CONTENTS): New macro.
191         (REG_CLASS_FROM_LETTER): Allocate 'h' and 'x'.
192         (SECONDARY_RELOAD_CLASS): Define.
193         (STACK_POINTER_REGNUM): Define as CRIS_SP_REGNUM.
194         (FRAME_POINTER_REGNUM): Define as CRIS_FP_REGNUM.
195         (ARG_POINTER_REGNUM): Define as CRIS_AP_REGNUM.
196         (STATIC_CHAIN_REGNUM): Define as CRIS_STATIC_CHAIN_REGNUM.
197         (REGISTER_MOVE_COST): Define.
198         (PIC_OFFSET_TABLE_REGNUM): Define in terms of CRIS_GOT_REGNUM.
199         * config/cris/cris.md (CRIS_GOT_REGNUM, CRIS_STATIC_CHAIN_REGNUM)
200         (CRIS_FP_REGNUM, CRIS_SP_REGNUM, CRIS_SRP_REGNUM, CRIS_AP_REGNUM)
201         (CRIS_MOF_REGNUM): New define_constants.
202         ("*movsi_internal", "movhi", "movqi", "movsf"): Add alternatives for
203         special registers.
204         ("reload_inhi", "reload_outhi", "reload_inqi", "reload_outqi"):
205         New patterns.
206         ("umulhisi3", "umulqihi3", "mulsi3", "mulqihi3", "mulhisi3")
207         ("mulsidi3", "umulsidi3", "smulsi3_highpart", "umulsi3_highpart"):
208         Adjust for MOF being properly described as a register.
209         (indir_to_reg_split): Name this split.  Conditionalize on the
210         destination register being a general register.
211         (movei): Conditionalize on on operands 0 and 1 having the same
212         register class.
213
214 2005-03-03  Alan Modra  <amodra@bigpond.net.au>
215
216         PR target/20277
217         * config/rs6000/rs6000.c (rs6000_override_options): Don't allow
218         -mcpu to override any other explicitly given flags.
219
220 2005-03-02  J"orn Rennecke <joern.rennecke@st.com>
221
222         * recog.c (verify_changes, confirm_change_group): New functions,
223         broken out of apply_change_group.
224         (apply_change_group): Use them.
225         * recog.h (verify_change, confirm_change_group): Declare.
226         * rtl.h (redirect_jump_2): Declare.
227         * jump.c (redirect_exp, invert_exp): Delete.
228         (invert_exp_1): Take second parameter.  Return value.  Changed caller.
229         (redirect_jump_2): New function, broken out of redirect_jump.
230         (redirect_jump): Use redirect_jump_1 and redirect_jump_2.
231         (invert_jump): Use invert_jump_1 and redirect_jump_2.
232         * ifcvt.c (dead_or_predicable): Use redirect_jump_2.
233
234 2005-03-02  Geoffrey Keating  <geoffk@apple.com>
235
236         * varasm.c (named_section): Use xstrdup rather than doing it by
237         hand.
238
239         * config/darwin8.h (LIB_SPEC): Switch -lmx and -lSystem.
240
241 2005-03-02  Devang Patel  <dpatel@apple.com>
242         
243         Undo PR tree-optimization/18815 fix.
244         
245 2005-03-02  Devang Patel  <dpatel@apple.com>
246
247         PR tree-optimization/18815
248         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
249         loops with zero exit edges.
250         
251 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
252
253         * cfg.c (connect_src, connect_dest, disconnect_src,
254         disconnct_dest): New.
255         (unchecked_make_edge, remove_edge, redirect_edge_succ,
256         redirect_edge_pred): Use the new functions.
257
258         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
259         free_dominance_info only when needed.
260
261 2005-03-02  David Edelsohn  <edelsohn@gnu.org>
262
263         PR target/20276
264         * config/rs6000/predicates.md (reg_or_cint64_operand): Fix typo.
265         (reg_or_sub_cint64_operand): Same.
266
267 2005-03-02  Jeff Law  <law@redhat.com>
268
269         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Fix setting of
270         CFG_ALTERED in the main DOM iteration loop.
271
272 2005-03-02  Mark Mitchell  <mark@codesourcery.com>
273
274         PR c++/19916
275         * varasm.c (initializer_constant_valid_p): Allow conversions
276         between OFFSET_TYPEs.  Tidy.
277
278 2005-03-02  Hans-Peter Nilsson  <hp@axis.com>
279
280         * config/cris/cris.md ("return"): Remove epilogue delay list
281         sanity check.
282
283 2005-03-02  Daniel Jacobowitz  <dan@codesourcery.com>
284
285         * config/arm/linux-elf.h (ARM_FUNCTION_PROFILER): Do not use (PLT)
286         for Thumb.
287         * config/arm/netbsd-elf.h (ARM_FUNCTION_PROFILER): Likewise.
288
289 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
290
291         * cfgloop.h, cfgloopanal.c, cfgloopmanip.c, conflict.c,
292         loop-init.c, loop-unroll.c, print-tree.c, reg-notes.def,
293         config/m68k/m68k.c, config/mips/mips.h,
294         config/rs6000/rs6000-protos.h, doc/contrib.texi,
295         doc/include/gcc-common.texi: Update copyright.
296
297         PR middle-end/18029 and PR middle-end/18030
298         * expr.c (optimize_bitfield_assignment_op): Add a special case
299         to handle BIT_IOR_EXPR and BIT_XOR_EXPR.
300
301         * fold-const.c (fold_unary): New.
302         (fold): Call fold_unary on unary expressions.
303
304 2005-03-02  Richard Guenther  <rguenth@gcc.gnu.org>
305
306         * cgraph.h (struct cgraph_edge): Add prev_caller and
307         prev_callee fields.
308         (cgraph_node_remove_callees): Export.
309         * cgraph.c (cgraph_create_edge): Initialize prev_caller
310         and prev_callee.
311         (cgraph_edge_remove_callee): New function.
312         (cgraph_edge_remove_caller): Likewise.
313         (cgraph_remove_edge): Use.
314         (cgraph_redirect_edge_callee): Likewise.
315         (cgraph_node_remove_callees): New function.
316         (cgraph_node_remove_callers): Likewise.
317         (cgraph_remove_node): Use.
318         * tree-optimize.c (tree_rest_of_compilation): Use
319         cgraph_node_remove_callees instead of manual loop.
320         * cgraphunit.c (cgraph_finalize_function): Likewise.
321         (cgraph_expand_function): Likewise.
322         (cgraph_remove_unreachable_nodes): Likewise.
323
324 2005-03-02  Joseph S. Myers  <joseph@codesourcery.com>
325
326         PR c/8927
327         * c-tree.h (undeclared_variable, build_external_ref): Add extra
328         argument.
329         * c-decl.c (undeclared_variable): Take location as argument.
330         * c-typeck.c (build_external_ref): Likewise.
331         * c-parser.c (c_parser_postfix_expression): Pass location of
332         identifier to build_external_ref.
333
334 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
335
336         * config/rs6000/rs6000.md (cceq splitter): Use operand mode, not
337         CCEQ mode for branch_positive_comparison_operator test.
338         * config/rs6000/predicates (branch_comparison_operator): Revert to
339         define_predicate.
340         (scc_comparison_operator): Same.
341         (branch_positive_comparison_operator): Same.
342
343 2005-03-01  Hans-Peter Nilsson  <hp@axis.com>
344
345         * config/cris/cris.c (cris_eligible_for_epilogue_delay)
346         (cris_delay_slots_for_epilogue): Remove.
347         (save_last): Move into cris_target_asm_function_epilogue.
348         (cris_target_asm_function_epilogue): Remove tests for file being
349         NULL.
350         * config/cris/cris-protos.h (cris_eligible_for_epilogue_delay)
351         (cris_delay_slots_for_epilogue): Remove prototypes.
352         * config/cris/cris.h (DELAY_SLOTS_FOR_EPILOGUE)
353         (ELIGIBLE_FOR_EPILOGUE_DELAY): Do not define.
354
355 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
356
357         * config/rs6000/predicates.md (branch_comparison_operator): Change
358         to define_special_predicate.
359         (scc_comparison_operator): Same.
360         (branch_positive_comparison_operator): Same.
361
362 2005-03-01  Daniel Berlin <dberlin@dberlin.org>
363
364         * Makefile.in (tree-ssa-sink.o): New.
365         (OBJS-common): Add tree-ssa-sink.o.
366         * common.opt: Add -ftree-sink
367         * opts.c (decode_options): flag_tree_sink is set at O1 or higher.
368         * timevar.def (TV_TREE_SINK): new timevar.
369         * tree-flow.h (is_hidden_global_store): Prototype.
370         * tree-optimize.c (init_tree_optimization_passes): Add
371         pass_sink_code.
372         * tree-pass.h (pass_sink_code): New.
373         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Move checking
374         for non-obvious global store store to is_hidden_global_store, and
375         call that new function.
376         * tree-ssa-sink.c: New file.
377         * doc/invoke.texi: Document -fdump-tree-sink and -ftree-sink.
378         * doc/passes.texi: Document forward store motion.
379         * testsuite/gcc.dg/tree-ssa/ssa-sink-1.c: New test
380         * testsuite/gcc.dg/tree-ssa/ssa-sink-2.c: New test
381         * testsuite/gcc.dg/tree-ssa/ssa-sink-3.c: New test
382         * testsuite/gcc.dg/tree-ssa/ssa-sink-4.c: New test
383
384 2005-03-01  Per Bothner  <per@bothner.com>
385
386         * diagnostic.c (diagnostic_build_prefix): If USE_MAPPED_LOCATION
387         and we have a non-zero column-number, add it to the message.
388         Also factor out the diagnostic_kind_text.
389
390 2005-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
391
392         * cfgloop.c (flow_loop_entry_edges_find, flow_loop_exit_edges_find,
393         flow_loop_pre_header_scan, flow_loop_pre_header_find,
394         flow_loop_scan): Removed.
395         (flow_loop_dump): Do not dump removed fields.
396         (flow_loop_free): Do not free removed fields.
397         (flow_loops_find): Flags argument removed.  Do not call flow_loop_scan.
398         (loop_exit_edge_p): New function.
399         * cfgloop.h (struct loop): Removed fields pre_header, pre_header_edges,
400         num_pre_header_edges, entry_edges, num_entries, exit_edges,
401         num_exits, exits_doms.
402         (LOOP_TREE, LOOP_PRE_HEADER, LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES,
403         LOOP_EDGES, LOOP_ALL): Removed.
404         (flow_loop_scan): Declaration removed.
405         (loop_exit_edge_p, mark_loop_exit_edges): Declare.
406         * cfgloopmanip.c (create_loop_notes): Do not pass flags to
407         flow_loops_find.
408         * ifcvt.c (mark_loop_exit_edges): Moved to cfgloopanal.c.
409         (if_convert): Call flow_loops_find and flow_loops_free
410         when calling mark_loop_exit_edges.
411         * cfgloopanal.c (mark_loop_exit_edges): Moved from
412         ifcvt.c.  Removed the flow_loops_find, flow_loops_free and
413         free_dominance_info calls.
414         * loop-init.c (flow_loops_find): Ditto.
415         * passes.c (rest_of_handle_branch_prob): Ditto.
416         * lambda-code.c (perfect_nestify): Do not call flow_loops_find.
417         * loop-unroll.c (analyze_insns_in_loop): Do not use
418         EDGE_LOOP_EXIT.
419         * predict.c (predict_loops): Do not call flow_loop_scan.
420         Use get_loop_exit_edges.
421         (tree_estimate_probability): Do not pass flags to flow_loops_find.
422         * tree-if-conv.c (bb_with_exit_edge_p): Take loop as argument.
423         Do not use EDGE_LOOP_EXIT.
424         (tree_if_convert_cond_expr, if_convertible_modify_expr_p): Pass loop
425         to bb_with_exit_edge_p.
426         (if_convertible_loop_p): Do not call flow_loop_scan.  Use
427         loop->single_exit.  Do not use EDGE_LOOP_EXIT.  Pass loop
428         to bb_with_exit_edge_p.
429         (combine_blocks): Pass loop to bb_with_exit_edge_p.  Do not use
430         EDGE_LOOP_EXIT.
431         * tree-loop-linear.c (linear_transform_loops): Do not call
432         flow_loop_scan.  Use loop->single_exit.
433         * tree-vect-analyze.c (vect_analyze_operations): Use loop->single_exit.
434         (vect_analyze_loop_form): Do not call flow_loop_scan.
435         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Use
436         loop->single_exit.
437         (vect_do_peeling_for_loop_bound): Use loop_preheader_edge and
438         loop->single_exit.
439         * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
440         slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
441         slpeel_tree_duplicate_loop_to_edge_cfg,
442         slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
443         Use loop_preheader_edge and loop->single_exit.  Do not call
444         flow_loop_scan.
445
446 2005-03-01  Nick Clifton  <nickc@redhat.com>
447
448         * config/arm/arm.c (thumb_find_work_register): Check all of the
449         argument registers to see if they are free, and a couple of
450         special cases where the last argument register but can be proved
451         to be available during the function's prologue.
452         (print_multi_reg, arm_compute_save_reg0_reg12_mask,
453         output_return_instruction, emit_multi_reg_push, thumb_pushpop,
454         thumb_unexpanded_epilogue): Use unsigned long as the type for the
455         register bit-mask.
456         (thumb_compute_save_reg_mask): Likewise.  Also use
457         thumb_find_work_register() to ensure that there is agreement about
458         which work register is going to be used in the prologue.
459         (thumb_output_function_prologue): Use unsigned long as the type
460         for the register bit-mask.  Also delay pushing the link register if
461         other high registers are going to be pushed.
462         (thumb_compute_save_reg_mask, emit_multi_reg_push,
463         print_multi-reg, number_of_first_bit_set, thumb_pushpop): Remove
464         redundant prototypes.
465
466 2005-02-28  John David Anglin  <dave.anglin#nrc-cnrc.gc.ca>
467
468         PR target/19819
469         * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow allow hard registers during
470         and after reload in REG+REG indexed addresses without REG_POINTER
471         set in the base and not set in the index.
472
473 2005-02-28  Kaz Kojima  <kkojima@gcc.gnu.org>
474
475         * config/sh/linux.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX):
476         Don't undefine here.
477         (HANDLE_PRAGMA_PACK_PUSH_POP): Delete.
478         (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC): Likewise.
479         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
480         (LIB_SPEC, LINK_EH_SPEC, STARTFILE_SPEC, ENDFILE_SPEC,
481         LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED, TARGET_C99_FUNCTIONS):
482         Delete.
483         * config.gcc (sh*-*-linux*): Use config/linux.h.
484
485 2005-02-28  Dale Johannesen  <dalej@apple.com>
486             Stan Shebs  <shebs@apple.com>
487
488         Rewrite of 64-bit Darwin structure-by-value pass/return.
489         * config/rs6000/rs6000.h (CUMULATIVE_ARGS): New fields
490         intoffset, use_stack, named.
491         * config/rs6000/rs6000.c (rs6000_darwin64_function_arg):  Remove.
492         (rs6000_darwin64_record_arg_advance_flush):  New.
493         (rs6000_darwin64_record_arg_advance_recurse): New.
494         (rs6000_darwin64_record_arg_flush):  New.
495         (rs6000_darwin64_record_arg_recurse):  New.
496         (rs6000_darwin64_record_arg):  New.
497         (rs6000_return_in_memory):  Remove AGGREGATE_TYPE_P check.
498         (function_arg_boundary):  Handle 128-bit aligned structs.
499         (function_arg_advance):  Rewrite darwin64 struct handling.
500         (function_arg):  Call rs6000_darwin64_record_arg.
501         (function_arg_partial_nregs):  Handle darwin64 structs.
502         (rs6000_darwin64_function_value):  Remove.
503         (rs6000_function_value):  Call rs6000_darwin64_record_arg.
504
505 2005-02-28  Roger Sayle  <roger@eyesopen.com>
506
507         PR tree-optimization/20216
508         * tree-chrec.c (tree_fold_factorial): Delete.
509         (tree_fold_binomial): Change argument list to take a return type
510         and change the type of K to unsigned int.  Rewrite to avoid explicit
511         evaluation of factorials, and (recursively) calling fold to perform
512         compile-time arithmetic.  Return NULL on (internal) overflow.
513         (chrec_evaluate): Change type of K to an unsigned int.  Avoid
514         calling tree_fold_binomial unnecessarily.  Return chrec_dont_know
515         if any intermediate calculation overflows.
516         (chrec_apply): Update call to chrec_evaluate.
517
518 2005-02-28  James E Wilson  <wilson@specifixinc.com>
519
520         * config/mips/mips.h (NO_PROFILE_COUNTERS): Define.
521
522 2005-02-28  Joseph S. Myers  <joseph@codesourcery.com>
523
524         PR c/20245
525         * c-parser.c (c_parser_compound_statement): Return error_mark_node
526         instead of NULL_TREE on error.
527
528 2005-02-28  David Edelsohn  <edelsohn@gnu.org>
529
530         * config/rs6000/rs6000.c (EASY_VECTOR_15): Remove.
531         (EASY_VECTOR_15_ADD_SELF): Remove.
532         (num_insns_constant_wide): Not static.
533         (validate_condition_mode): Not static.
534         (toc_relative_expr_p): Not static.
535         (legitimate_indirect_address_p): Not static.
536         (macho_lo_sum_memory_operand): Not static.
537         (invalid_e500_subreg): Not static.
538         (easy_vector_same): Not static.
539         (easy_vector_splat_const): Not static.
540         (RS6000_SYMBOL_REF_TLS_P): Remove.
541         (any_operand): Delete.
542         (any_parallel_operand): Delete.
543         (count_register_operand): Delete.
544         (altivec_register_operand): Delete.
545         (xer_operand): Delete.
546         (s8bit_cint_operand): Delete.
547         (short_cint_operand): Delete.
548         (u_short_cint_operand): Delete.
549         (non_short_cint_operand): Delete.
550         (exact_log2_cint_operand): Delete.
551         (gpc_reg_operand): Delete.
552         (cc_reg_operand): Delete.
553         (cc_reg_not_cr0_operand): Delete.
554         (reg_or_short_operand): Delete.
555         (reg_or_neg_short_operand): Delete.
556         (reg_or_aligned_short_operand): Delete.
557         (reg_or_u_short_operand): Delete.
558         (reg_or_cint_operand): Delete.
559         (reg_or_arith_cint_operand): Delete.
560         (reg_or_add_cint64_operand): Delete.
561         (reg_or_sub_cint64_operand): Delete.
562         (reg_or_logical_cint_operand): Delete.
563         (got_operand): Delete.
564         (got_no_const_operand): Delete.
565         (easy_fp_constant): Delete.
566         (easy_vector_constant): Delete.
567         (easy_vector_constant_add_self): Delete.
568         (zero_constant): Delete.
569         (zero_fp_constant): Delete.
570         (volatile_mem_operand): Delete.
571         (offsettable_mem_operand): Delete.
572         (mem_or_easy_const_operand): Delete.
573         (add_operand): Delete.
574         (non_add_cint_operand): Delete.
575         (logical_operand): Delete.
576         (non_logical_cint_operand): Delete.
577         (mask_operand): Delete.
578         (mask_operand_wrap): Delete.
579         (mask64_operand): Delete.
580         (mask64_2_operand): Delete.
581         (and64_operand): Delete.
582         (and64_2_operand): Delete.
583         (and_operand): Delete.
584         (reg_or_mem_operand): Delete.
585         (lwa_operand): Delete.
586         (symbol_ref_operand): Delete.
587         (call_operand): Delete.
588         (current_file_function_operand): Delete.
589         (input_operand): Delete.
590         (rs6000_nonimmediate_operand): Delete.
591         (rs6000_tls_symbol_ref): Delete.
592         (save_world_operation): Delete.
593         (restore_world_operation): Delete.
594         (load_multiple_operation): Delete.
595         (store_multiple_operation): Delete.
596         (vrsave_operation): Delete.
597         (mfcr_operation): Delete.
598         (mtcrf_operation): Delete.
599         (lmw_operation): Delete.
600         (stmw_operation): Delete.
601         (branch_comparison_operator): Delete.
602         (branch_positive_comparison_operator): Delete.
603         (scc_comparison_operator): Delete.
604         (trap_comparison_operator): Delete.
605         (boolean_operator): Delete.
606         (boolean_or_operator): Delete.
607         (min_max_operator): Delete.
608         * config/rs6000/rs6000.h (RS6000_SYMBOL_REF_TLS_P): Move to here.
609         (EASY_VECTOR_15): Moved to here.
610         (EASY_VECTOR_15_ADD_SELF): Move to here.
611         (PREDICATE_CODES): Delete.
612         * config/rs6000/rs6000-protos.h: Delete predicate functions.
613         Declare functions no longer static.
614         * config/rs6000/predicates.md: New.
615         * config/rs6000/rs6000.md: Include predicates.md
616
617 2005-02-28  Kazu Hirata  <kazu@cs.umass.edu>
618
619         * calls.c (emit_call_1): Don't use  REG_ALWAYS_RETURN.
620         (emit_library_call_value_1): Don't use LCT_ALWAYS_RETURN and
621         REG_ALWAYS_RETURN.
622         * cfgrtl.c (need_fake_edge_p): Likewise.
623         * combine.c (distribute_notes): Likewise.
624         * emit-rtl.c (try_split): Likewise.
625         * recog.c (peephole2_opimize): Likewise.
626         * reg-notes.def (ALWAYS_RETURN): Remove.
627         * rtl.h (LCT_ALWAYS_RETURN): Remove.
628         * tree-cfg.c (need_fake_edge_p): Don't use ECF_ALWAYS_RETURN.
629         * tree.h (ECF_ALWAYS_RETURN): Remove.
630
631 2005-02-28  Roger Sayle  <roger@eyesopen.com>
632
633         PR middle-end/19874
634         * tree-ssa.c (tree_ssa_useless_type_conversion_1): A conversion
635         between different machine modes is never a "useless" conversion.
636
637 2005-02-28  Geert Bosch  <bosch@gnat.com>
638
639         PR ada/15977
640         * doc/contrib.texi: List contributors for Ada front end
641
642 2005-02-28 Paolo Bonzini <bonzini@gnu.org>
643
644         * simplify-rtx.c (simplify_unary_operation_1,
645         simplify_const_unary_operation): New, extracted from...
646         (simplify_unary_operation): ... this one.
647         (simplify_binary_operation_1,
648         simplify_const_binary_operation): New, extracted from...
649         (simplify_binary_operation): ... this one.
650         * rtl.h (simplify_const_unary_operation,
651         simplify_const_binary_operation): Add prototypes.
652
653 2005-02-28  Julian Brown  <julian@codesourcery.com>
654
655         * config/elfos.h: Revert my patch from 2005-02-25 since it broke
656         building libjava and caused PR regression/20228.
657
658 2005-02-28  Paolo Bonzini  <bonzini@gnu.org>
659
660         PR bootstrap/17383
661         * Makefile.in (host_subdir): New.
662         (build_objdir): New.  Replace ../$(build_subdir) with it throughout.
663         * configure: Regenerate.
664
665 2005-02-27  Zack Weinberg  <zack@codesourcery.com>
666
667         * config/alpha/t-osf4, config/arm/t-netbsd, config/ia64/t-hpux
668         * config/pa/t-hpux-shlib (SHLIB_INSTALL): Create the
669         installation directory first.
670
671 2005-02-28  Hans-Peter Nilsson  <hp@axis.com>
672
673         PR target/19065.
674         * config/cris/cris.h (EXTRA_CONSTRAINT_Q): Accept only (mem (reg)),
675         not including (reg). Do not check for reg being CRIS_PC_REGNUM.
676         (EXTRA_MEMORY_CONSTRAINT): Define as 'Q'.
677         * config/cris/cris.md: Tweak comments referring to Q.
678         ("cmpsi", "cmphi", "cmpqi", "*movsi_internal", "movhi")
679         ("movstricthi", "movqi", "movstrictqi", "movsf", "addsi3")
680         ("addhi3", "addqi3", "subsi3", "subhi3", "subqi3")
681         ("*expanded_andsi", "*expanded_andhi", "*andhi_lowpart", "andqi3")
682         ("*andqi_lowpart", "iorsi3", "iorhi3", "iorqi3", "uminsi3"):
683         Insert spaces in constraints to align alternatives vertically for
684         readability.
685         ("cmphi"): Ditto.  Add separate alternative for operand 0 "r",
686         operand 1: "M".
687
688 2005-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
689
690         PR rtl-optimization/17728
691         * pa.md (mulsi3, divsi3, udivsi3, modsi3): Change predicate for
692         operand 0 from general_operand to move_dest_operand.
693
694 2005-02-26  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
695
696         * pa/elf.h, pa/som.h (ASM_OUTPUT_EXTERNAL): Use assemble_name_raw
697         instead of trying to save and restore TREE_SYMBOL_REFERENCED.
698         * pa/pa64-hpux.h (ASM_OUTPUT_TYPE_DIRECTIVE): Define.
699         (ASM_OUTPUT_EXTERNAL): Don't save and restore TREE_SYMBOL_REFERENCED.
700
701 2005-02-26  Nathanael Nerode  <neroden@gcc.gnu.org>
702
703         * configure.ac: Rename cc_for_cross_gnattools to host_cc_for_libada.
704         * configure: Regenerate.
705         * libada-mk.in: Remove CC; rename
706         cc_for_cross_gnattools / cc_set_by_configure to host_cc_for_libada.
707
708 2005-02-26  Andrew Pinski  <pinskia@physics.uc.edu>
709
710         PR tree-opt/20188
711         * tree-ssa-alias.c (count_uses_and_derefs): If we have TREE_LIST
712         for the lhs, also walk over the tree.  Likewise for rhs.
713
714 2005-02-26  Zdenek Dvorak  <dvorakz@suse.cz>
715
716         * tree-ssa-dom.c (simple_iv_increment_p): New function.
717         (simplify_rhs_and_lookup_avail_expr, eliminate_redundant_computations):
718         Do not propagate value of iv before increment over the increment.
719
720 2005-02-25  Joseph S. Myers  <joseph@codesourcery.com>
721
722         * c-parser.c: New file.
723         * c-parse.in: Remove.
724         * Makefile.in (c-parse.o-warn, c-parse.o, c-parse.c, c-parse.y):
725         Remove.
726         (c-parser.o): Add dependencies.
727         (C_AND_OBJC_OBJC, C_OBJS, gcc.srcextra, GTFILES, distclean,
728         maintainer-clean, TAGS): Update.
729         * c-config-lang.in (gtfiles): Update.
730         * gengtype-lex.l: Don't handle "@@".
731         * stub-objc.c (objc_get_class_ivars, objc_build_throw_stmt,
732         objc_build_synchronized, objc_begin_try_stmt,
733         objc_begin_catch_clause, objc_finish_catch_clause,
734         objc_build_finally_clause, objc_finish_try_stmt): New.
735         * c-tree.h (struct c_declspecs): Add declspecs_seen_p and
736         type_seen_p.
737         (c_parse_init): Update comment.
738         * c-decl.c (c_init_decl_processing): Update comment.
739         (build_null_declspecs, declspecs_add_qual, declspecs_add_type,
740         declspecs_add_scspec, declspecs_add_attrs): Initialize and update
741         new c_declspecs members.
742
743 2005-02-25  Julian Brown  <julian@codesourcery.com>
744
745         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
746         from being used for symbols with vague linkage when
747         HAVE_GAS_COMDAT_GROUP is true.
748
749 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
750
751         * doc/include/gcc-common.texi (version-GCC): Update to 4.1.
752
753 2005-02-25  Steve Ellcey  <sje@cup.hp.com>
754
755         PR target/19930
756         * doc/tm.texi (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Document.
757         (LIBGCC2_HAS_DF_MODE): New.
758         (LIBGCC2_HAS_XF_MODE): New.
759         (LIBGCC2_HAS_TF_MODE): New.
760         * libgcc2.h (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
761         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
762         * libgcc2.c (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
763         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
764         (LIBGCC2_HAS_DF_MODE): New name for HAVE_DFMODE.
765         * config/ia64/t-ia64 (LIB1ASMFUNCS): Remove __compat
766         and add _fixtfdi, _fixunstfdi, _floatditf
767         * lib1funcs.asm: Remove L__compat. Add L_fixtfdi,
768         L_fixunstfdi, L_floatditf.
769         * config/ia64/hpux.h (LIBGCC2_HAS_XF_MODE): Define.
770         (LIBGCC2_HAS_TF_MODE): Define.
771
772 2005-02-25  Diego Novillo  <dnovillo@redhat.com>
773
774         PR tree-optimization/20204
775         * tree-into-ssa.c (insert_phi_nodes_for): Do not use
776         REWRITE_THIS_STMT markers on PHI nodes.
777         (rewrite_initialize_block): Likewise.
778
779 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
780
781         * version.c (version_string): Update to 4.1.
782
783 2005-02-25  Paolo Carlini  <pcarlini@suse.de>
784
785         * doc/extend.texi (5.24 Declaring Attributes of Functions)<noreturn>:
786         Clarify that the alternative way doesn't work in GNU C++.
787
788 2005-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
789
790         PR tree-optimization/19937
791         * tree-ssa-loop-ivopts.c (rewrite_use_compare): Cast the final value
792         to the type of the induction variable.
793
794 2005-02-25  Kaz Kojima  <kkojima@gcc.gnu.org>
795
796         PR rtl-optimization/20117
797         * bb-reorder.c (duplicate_computed_gotos): Don't duplicate
798         the block including noncopyable insn.
799
800 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
801
802         * cse.c (delete_trivially_dead_insns): Speed up by minimizing
803         calls to find_reg_note.
804
805 2005-02-24  Richard Henderson  <rth@redhat.com>
806
807         PR tree-opt/20127
808         * tree-sra.c (instantiate_element): Copy TREE_THIS_VOLATILE from
809         the type.
810
811 2005-02-24  Fariborz Jahanian <fjahanian@apple.com>
812
813         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Check for
814         vector types if to use base reg for misaligned non-word ld/std.
815
816 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
817
818         PR target/14619
819         * config/cris/cris.c (cris_target_asm_function_prologue): Create
820         dwarf2 label manually and put it after, not before the prologue.
821
822 2005-02-24  David Edelsohn  <edelsohn@gnu.org>
823
824         PR target/19019
825         * reload.c (operands_match_p): Only increment register number for
826         SCALAR_INT_MODE_P modes in multiple hard registers.
827
828         * config/rs6000/rs6000.md (trunctfdf2): Remove register constraints.
829         Fix formatting.
830
831 2005-02-24  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
832
833         * ChangeLog.5: Fix log message typo(s).
834         * ChangeLog.7: Likewise.
835         * ChangeLog.tree-ssa: Likewise.
836         * cfgexpand.c: Fix comment typo(s).
837         * conflict.c: Likewise.
838         * defaults.h: Likewise.
839         * dwarf2out.c: Likewise.
840         * gcse.c: Likewise.
841         * ggc-page.c: Likewise.
842         * tree-eh.c: Likewise.
843         * tree-ssa-dom.c: Likewise.
844
845 2005-02-24  Jakub Jelinek  <jakub@redhat.com>
846
847         PR target/19019
848         * mklibgcc.in: Pass -DSHARED when compiling all *_s${objext} objects.
849         * config/rs6000/darwin-ldouble.c: Only use the .symver directives
850         if SHARED is defined.
851
852         PR target/20196
853         * config/rs6000/rs6000.md (LTU, GTU sCC splitters): Add earlyclobber,
854         allow splitting only if operands 0 and 3 don't overlap.
855
856 2005-02-24  Richard Henderson  <rth@redhat.com>
857
858         PR middle-end/19953
859         * builtins.c (fold_builtin_complex_mul, fold_builtin_complex_div): New.
860         (fold_builtin_1): Call them.
861         * fold-const.c (fold_complex_mult_parts): Split out from ...
862         (fold_complex_mult): ... here.  Fix typo in both imaginary case.
863         (fold_complex_div_parts, fold_complex_div): New.
864         (fold): Use them.
865         * tree.h (fold_complex_mult_parts, fold_complex_div_parts): Declare.
866
867 2005-02-24  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
868
869         * tree-ssa-ccp.c (visit_assignment): Verify that result of
870         VIEW_CONVERT_EXPR is_gimple_min_invariant.
871
872         * print-tree.c (print_node_brief): Print LABEL_DECL_UID.
873         (print_node): Likewise.
874         Print TYPE_SIZES_GIMPLIFIED.
875
876 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
877
878         * config/cris/cris.md ("umulhisi3", "umulqihi3", "mulsi3")
879         ("mulqihi3", "mulhisi3", "mulsidi3", "umulsidi3"): Mark input
880         operands as commutative in constraints.
881
882 2005-02-24  Diego Novillo  <dnovillo@redhat.com>
883
884         * tree-into-ssa.c: Re-organize internal functions.
885
886 2005-02-24  Richard Henderson  <rth@redhat.com>
887
888         PR middle-end/18902
889         * c-opts.c (c_common_post_options): Set flag_complex_method to 2
890         for c99.
891         * common.opt (fcx-limited-range): New.
892         * opts.c (set_fast_math_flags): Set flag_cx_limited_range.
893         * toplev.c (flag_complex_method): Initialize to 1.
894         (process_options): Set flag_complex_method to 0 if
895         flag_cx_limited_range.
896         * doc/invoke.texi (-fcx-limited-range): New.
897
898 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
899
900         * cse.c (delete_trivially_dead_insns): Speed up by using
901         NEXT_INSN and PREV_INSN directly instead of next_real_insn and
902         prev_real_insn.
903
904 2005-02-24  Andrea Tarani  <andrea.tarani@gilbarco.com>
905
906         * config/m68k/m68k.c (m68k_save_reg): Also save A5 for non-leaf
907         functions when -mid-shared-library is being used.
908
909 2005-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
910
911         * doc/tm.texi (LINK_LIBGCC_SPECIAL): Remove.
912         (LINK_LIBGCC_SPECIAL_1): Don't mention it.
913         * gcc.c: Don't check for LINK_LIBGCC_SPECIAL.
914         * system.h: Poison LINK_LIBGCC_SPECIAL.
915
916 2005-02-23  James E Wilson  <wilson@specifixinc.com>
917
918         * gengtype.c (note_insn_name): Make 1 element larger.
919
920 2005-02-23  Roger Sayle  <roger@eyesopen.com>
921
922         PR target/20018
923         PR rtl-optimization/20097
924         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
925         BImode SUBREGs of SImode registers which confuse the ia64 backend.
926
927 2005-02-23  David Edelsohn  <edelsohn@gnu.org>
928
929         * t-aix43 (SHLIB_INSTALL): Create directory for shared library.
930         * t-aix52 (SHLIB_INSTALL): Same.
931
932 2005-02-23  Kazu Hirata  <kazu@cs.umass.edu>
933
934         * genpreds.c: Update copyright.
935
936 2005-02-23  Michael Beach  <michaelb@ieee.org>
937
938         PR target/20159
939         * config/sparc/t-elf (startup files): Assemble with CPP.
940
941 2005-02-23  Paolo Bonzini  <bonzini@gnu.org>
942
943         * genpreds.c (mark_mode_tests): Handle non-VOIDmode match_operands.
944         (write_predicate_expr): Likewise.
945
946 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
947
948         PR tree-optimization/20100
949         PR tree-optimization/20115
950         * tree-optimize.c (init_tree_optimization_passes): Remove
951         pass_maybe_create_global_var.
952         * tree-pass.h (pass_maybe_create_global_var): Remove.
953         * tree-ssa-alias.c (aliases_computed_p): Declare.
954         (struct alias_info): Add field NUM_PURE_CONST_CALLS_FOUND.
955         (count_calls_and_maybe_create_global_var): Remove.
956         (pass_maybe_create_global_var): Remove.
957         (init_alias_info): Do not declare aliases_computed_p.
958         (maybe_create_global_var): If the function contains no
959         call-clobbered variables and a mix of pure/const and regular
960         function calls, create .GLOBAL_VAR.
961         Mark all call-clobbered variables for renaming.
962         (merge_pointed_to_info): Update comment.
963         (add_pointed_to_var): Likewise.
964         (is_escape_site): Likewise.
965         Accept struct alias_info * instead of size_t *.
966         Update all users.
967         Update AI->NUM_CALLS_FOUND and AI->NUM_PURE_CONST_CALLS_FOUND
968         as necessary.
969         * tree-ssa-operands.c (get_call_expr_operands): If
970         ALIASES_COMPUTED_P is false, do not add call-clobbering
971         operands.
972         * tree-ssa.c (init_tree_ssa): Set ALIASES_COMPUTED_P to false.
973         (delete_tree_ssa): Likewise.
974
975 2005-02-22  James E Wilson  <wilson@specifixinc.com>
976
977         * toplev.c (backend_init): Don't call init_adjust_machine_modes here.
978         (do_compile): Do call it here.
979
980 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
981
982         PR rtl-optimization/20017.
983         * passes.c (rest_of_handle_combine, rest_of_handle_cse,
984         rest_of_handle_cse2, rest_of_handle_gcse): Call
985         delete_dead_jumptables immediately before calling cleanup_cfg.
986
987 2005-02-22  Devang Patel  <dpatel@apple.com>
988
989         PR 19952
990         * tree-if-conv.c (process_phi_nodes): Use bsi_after_labels and skip
991         all labels
992
993 2005-02-22  David Edelsohn  <edelsohn@gnu.org>
994
995         * config/rs6000/aix.h (WINT_TYPE): Define.
996
997 2005-02-22  Stan Shebs  <shebs@apple.com>
998
999         * config/rs6000/rs6000.c (rs6000_override_options): Default to
1000         natural alignment for 64-bit Darwin.
1001         (rs6000_parse_alignment_option): Warn about uses of -malign-power
1002         on 64-bit Darwin.
1003         * doc/invoke.texi: Document this.
1004
1005 2005-02-22  DJ Delorie  <dj@redhat.com>
1006
1007         * c-common.c (c_common_type_for_mode): Pass the mode's precision
1008         to make_[un]signed_type, not the mode itself.
1009
1010 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
1011
1012         * cfg.c (cached_make_edge): Call make_edge if edge cache is
1013         not available.  Use tail calls wherever possible.
1014         (make_edge): Call unchecked_make_edge to create an edge.
1015
1016         * tree-outof-ssa.c (SSANORM_USE_COALESCE_LIST): Remove.
1017         (coalesce_ssa_name): Don't check for
1018         SSANORM_USE_COALESCE_LIST.
1019         (rewrite_out_of_ssa): Don't use SSANORM_USE_COALESCE_LIST.
1020
1021 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
1022
1023         * tree-into-ssa.c (rewrite_blocks): Move debug dumps from ...
1024         (rewrite_into_ssa): ... here.
1025
1026 2005-02-21  Alexandre Oliva  <aoliva@redhat.com>
1027
1028         PR tree-optimization/19786
1029         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add one
1030         tag to another's may-alias bitmap when adding to the other's list.
1031
1032 2005-02-21  DJ Delorie  <dj@redhat.com>
1033
1034         * tree-ssa-loop-ivopts.c (computation_cost): Start register
1035         numbering at LAST_VIRTUAL_REGISTER+1 to avoid possibly using hard
1036         registers in unsupported ways.
1037         * expmed.c (init_expmed): Likewise.
1038
1039 2005-02-21  Stan Cox  <scox@redhat.com>
1040
1041         * config/iq2000/iq2000.h (DWARF_FRAME_RETURN_COLUMN): Change to 31.
1042
1043 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
1044
1045         * tree-cfg.c (fold_cond_expr_cond): New.
1046         (make_edges): Call fold_cond_expr_cond.
1047         (find_taken_edge): Accept nothing but INTEGER_CST.
1048         (find_taken_edge_cond_expr): Reject INTEGER_CST other than 0
1049         and 1.
1050         (find_taken_edge_switch_expr): Remove a check for INTEGER_CST.
1051
1052         * flow.c (delete_dead_jumptables): Speed up by scanning insns
1053         that do not belong to any basic block.
1054
1055 2005-02-21  Jeff Law  <law@redhat.com>
1056
1057         * cfganal.c (find_unreachable_blocks): Manually CSE load of
1058         e->dest.
1059
1060 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
1061
1062         * tree-outof-ssa.c (SSANORM_REMOVE_ALL_PHIS): Remove.
1063         (SSANORM_COALESCE_PARTITIONS, SSANORM_USE_COALESCE_LIST):
1064         Adjust their definitions.
1065         (remove_ssa_form): Don't check for SSANORM_REMOVE_ALL_PHIS.
1066         (rewrite_out_of_ssa): Don't use SSANORM_REMOVE_ALL_PHIS.
1067
1068         * c-objc-common.h, c-pretty-print.c, cgraphunit.c, except.c,
1069         genautomata.c, langhooks.c, langhooks.h, system.h,
1070         config/arm/lib1funcs.asm: Update copyright.
1071
1072 2005-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
1073
1074         * dbxout.c (dbxout_function_end): Emit Lscope label always.
1075
1076 2005-02-21  Richard Guenther  <rguenth@gcc.gnu.org>
1077
1078         PR bootstrap/13770
1079         * doc/install.texi: Document --with-gc.
1080
1081 2005-02-21  Paolo Bonzini  <bonzini@gnu.org>
1082
1083         * simplify-rtx.c (simplify_unary_operation): Add a missing
1084         "break" statement.
1085
1086 2005-02-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
1087
1088         PR tree-optimization/18663
1089         * tree-ssa-dom.c (extract_range_from_cond): Return 0
1090         if the type has variable bounds.
1091
1092 2005-02-20  Kazu Hirata  <kazu@cs.umass.edu>
1093
1094         * gcse.c: Remove an obsolete comment.
1095
1096         * cse.c (init_cse_reg_info): Use xmalloc instead of xrealloc.
1097
1098 2005-02-20  Hans-Peter Nilsson  <hp@axis.com>
1099
1100         * doc/extend.texi (Function Attributes) <Attribute const>: The
1101         attribute "pure" is below this text, not above.
1102
1103 2005-02-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1104
1105         * pa.c (pa_assemble_integer, get_plabel): Small cleanups.
1106         (pa_asm_output_mi_thunk): Use asm_output_insn instead of fprintf.
1107         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Small cleanup.
1108
1109 2005-02-20  Zack Weinberg  <zack@codesourcery.com>
1110
1111         PR 18785
1112         * langhooks.h (struct lang_hooks): Add to_target_charset.
1113         * langhooks.c (lhd_to_target_charset): New function.
1114         * langhooks-def.h: Declare lhd_to_target_charset.
1115         (LANG_HOOKS_TO_TARGET_CHARSET): New macro.
1116         (LANG_HOOKS_INITIALIZER): Update.
1117         * c-common.c (c_common_to_target_charset): New function.
1118         * c-common.h: Declare it.
1119         * c-objc-common.h (LANG_HOOKS_TO_TARGET_CHARSET): Set to
1120         c_common_to_target_charset.
1121
1122         * defaults.c (TARGET_BELL, TARGET_BS, TARGET_CR, TARGET_DIGIT0)
1123         (TARGET_ESC, TARGET_FF, TARGET_NEWLINE, TARGET_TAB, TARGET_VT):
1124         Delete definitions.
1125         * system.h: Poison them.
1126         * doc/tm.texi: Don't discuss them.
1127         * builtins.c (fold_builtin_isdigit): Use lang_hooks.to_target_charset.
1128         * c-pretty-print.c (pp_c_integer_constant): Don't use pp_c_char.
1129         (pp_c_char): Do not attempt to generate letter escapes for
1130         newline, tab, etc.
1131         * config/arm/arm.c (output_ascii_pseudo_op): Likewise.
1132         * config/mips/mips.c (mips_output_ascii): Likewise.
1133
1134 2005-02-20  Dorit Naishlos  <dorit@il.ibm.com>
1135
1136         PR tree-optimization/19951
1137         * tree-vect-analyze.c (vect_analyze_loop_form): Check if loop exit edge
1138         is abnormal.
1139
1140 2005-02-19  Steven Bosscher  <stevenb@suse.de>
1141
1142         PR middle-end/19698
1143         * function.h (struct function): New field `max_loop_depth'.
1144         * cfgloop.c (establish_preds): Update maximum loop depth seen so far.
1145         (flow_loops_find): Reset the max loop depth count before finding loops.
1146         * flow.c (MAX_LIVENESS_ROUNDS): New constant.
1147         (update_life_info_in_dirty_blocks): Remove 2002-05-28 workaround.
1148         (calculate_global_regs_live): Make sure the loop will terminate
1149         when the initial sets are not empty.
1150
1151 2005-02-19  Zack Weinberg  <zack@codesourcery.com>
1152
1153         * mklibgcc.in: If libgcc_eh.a would be empty, put a dummy
1154         object inside.
1155         * config/ia64/hpux.h: Don't define LIBGCC_SPEC.
1156
1157 2005-02-19  Richard Sandiford  <rsandifo@redhat.com>
1158
1159         PR other/19525
1160         * doc/invoke.texi: Remove documentation of %M spec.
1161         * gcc.c: Likewise.
1162         (init_spec): Remove %M suffix from -lgcc_s.
1163         (do_spec_1): Remove 'M' case.
1164         * mklibgcc.in: Remove SHLIB_MULTILIB handling.  Expect SHLIB_LINK
1165         to put shared libraries in the multilib directory.  Remove the
1166         shlib_so_soname substitution variable.  Don't add a multilib encoding
1167         to shlib_base_name.  Set shlib_slibdir_qual to the full pathname
1168         reported by -print-multi-os-directory.  Pass @multilib_dir@ to
1169         SHLIB_INSTALL as well as SHLIB_LINK.
1170         * config/t-slibgcc-elf-ver (SHLIB_SONAME): Use @shlib_base_name@.
1171         (SHLIB_NAME): Delete.
1172         (SHLIB_DIR): New macro.
1173         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_SOLINK) in $(SHLIB_DIR).
1174         (SHLIB_INSTALL): Adjust accordingly.
1175         * config/t-slibgcc-darwin: As for t-slibgcc-elf-ver.
1176         * config/t-slibgcc-sld: Likewise.
1177         * config/t-libunwind-elf (SHLIBUNWIND_NAME): Delete.
1178         (SHLIBUNWIND_SONAME): Use @shlib_base_name@.
1179         (SHLIBUNWIND_LINK): Put $(SHLIBUNWIND_SONAME) and $(SHLIB_SOLINK)
1180         in $(SHLIB_DIR).
1181         (SHLIBUNWIND_INSTALL): Adjust accordingly.
1182         * config/i386/t-nwld (SHLIB_SONAME): Delete.
1183         (SHLIB_LINK, SHLIB_INSTALL): Use SHLIB_NAME instead of SHLIB_SONAME.
1184         Use @shlib_base_name@ instead of @shlib_so_name@.
1185         * config/ia64/t-hpux (SHLIB_LINK): Put @shlib_base_name@.so.0
1186         and @shlib_base_name@.so in @multilib_dir@.
1187         (SHLIB_INSTALL): Adjust accordingly.  Add @shlib_slibdir_qual@
1188         to the install path.
1189         * config/mips/t-slibgcc-irix: As for t-slibgcc-elf-ver.
1190         (SHLIB_LINK): Remove previous workaround.
1191         * config/pa/t-hpux-shlib (SHLIB_DIR, SHLIB_SLIBDIR_QUAL): New macros.
1192         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_NAME) in $(SHLIB_DIR).
1193         (SHLIB_INSTALL): Adjust accordingly.  Add $(SHLIB_SLIBDIR_QUAL) to
1194         the install path.
1195         * config/rs6000/t-aix43 (SHLIB_LINK): Put @shlib_base_name@.a in
1196         @multilib_dir@.  Use @multilib_dir@ to check for threading libraries.
1197         (SHLIB_INSTALL): Adjust accordingly.
1198         (SHLIB_LIBS): Use @multilib_dir@ to check for threading libraries.
1199         * config/rs6000/t-aix52: As for config/rs6000/t-aix43.
1200         * config/sh/t-linux (SHLIB_LINK, SHLIB_INSTALL): As for
1201         config/t-slibgcc-elf-ver.
1202
1203 2005-02-19  Zdenek Dvorak  <dvorakz@suse.cz>
1204             Jakub Jelinek  <jakub@redhat.com>
1205
1206         PR tree-optimization/19828
1207         * tree-ssa-loop-im.c: Add a TODO comment.
1208         (movement_possibility): Return MOVE_PRESERVE_EXECUTION for calls
1209         without side-effects.
1210
1211 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
1212
1213         * tree-ssa-ccp.c (widen_bitfield): Pass type to build_int_cst and don't
1214         call fold_convert.
1215
1216 2005-02-18  James E. Wilson  <wilson@specifixinc.com>
1217
1218         * doc/invoke.texi (IA-64 Options): Delete -mb-step.
1219         * config/ia64/ia64.c (last_group, group_idx): Delete variables.
1220         (errata_find_address_regs, errata_emit_nops, fixup_errata): Delete
1221         functions.
1222         (ia64_reorg): Delete fixup_errata call.
1223         * config/ia64/ia64.h (MASK_B_STEP, TARGET_B_STEP): Delete.
1224         (TARGET_SWITCHES): Delete -mb-step entry.
1225
1226 2005-02-19  Jakub Jelinek  <jakub@redhat.com>
1227
1228         PR c/20043
1229         * c-typeck.c (composite_type): Handle quals in transparent unions.
1230         (type_lists_compatible_p): Likewise.
1231
1232 2005-02-18  Stan Shebs  <shebs@apple.com>
1233
1234         * config/darwin.c (machopic_select_rtx_section): Don't put relocatable
1235         expressions in the .literal8 section.
1236
1237 2005-02-18  Geoffrey Keating  <geoffk@apple.com>
1238
1239         * config/rs6000/darwin-tramp.asm: Remove stray 'APPLE LOCAL' marker.
1240
1241 2005-02-18  Roger Sayle  <roger@eyesopen.com>
1242
1243         * fold-const.c (constant_boolean_node): Always create values of the
1244         specified type, don't bother calling truthvalue_conversion.
1245
1246 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
1247
1248         * except.c (output_function_exception_table): Call
1249         assemble_external_libcall (eh_personality_libfunc).
1250
1251 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
1252
1253         PR target/19886
1254         * config/ia64/ia64.h (struct machine_function): Add state_num.
1255         * config/ia64/ia64.c (process_epilogue,
1256         process_for_unwind_directive): Use new unwind state numbers each
1257         time rather than state 1.
1258
1259 2005-02-18  Ulrich Weigand  <uweigand@de.ibm.com>
1260
1261         PR target/20054
1262         * config/s390/s390.md ("*llgt_sidi", "*llgt_sidi_split"): Move to
1263         before the "*llgt_didi" pattern.
1264
1265 2005-02-18  Jason Merrill  <jason@redhat.com>
1266
1267         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Revert again.
1268
1269 2005-02-18  Richard Earnshaw  <rearnsha@arm.com>
1270
1271         * arm/lib1funcs.asm (FUNC_ALIAS): New macro.
1272         (div0): Use it in place of ARM_FUNC_ALIAS.
1273         (lshrdi3, ashrdi3, ashlrdi3): Likewise.
1274
1275 2005-02-18  Andrew Pinski  <pinskia@physics.uc.edu>
1276
1277         PR middle-end/20030
1278         * fold-const.c (fold_indirect_ref_1): Use the correct index for zero
1279         access, the lower bound of the array type if it exists.
1280
1281 2005-02-18  Alexandre Oliva  <aoliva@redhat.com>
1282
1283         PR c++/20008
1284         * stmt.c (expand_case): Don't assume cleanup_tree_cfg will remove
1285         cases that are out-of-range for the index type.
1286
1287 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
1288
1289         * stmt.c (emit_case_bit_tests): Call fold_convert instead of convert.
1290         (estimate_case_costs): Don't call convert.
1291         * expmed.c (expand_shift): Likewise.
1292         (make_tree): Call fold_convert instead of convert.
1293
1294 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
1295
1296         PR c++/19813
1297         * emit-rtl.c (set_mem_attributes_minus_bitpos): Add assertion
1298         that ref to be marked MEM_READONLY_P doesn't have base that needs
1299         constructing.
1300
1301 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
1302
1303         * genautomata.c (output_get_cpu_unit_code_func,
1304         output_cpu_unit_reservation_p): Don't generate old-style function
1305         definitions.
1306
1307 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
1308
1309         PR c++/20023
1310         PR tree-optimization/20009
1311         * convert.c (convert_to_integer): Revert 2005-02-16 change.
1312
1313         PR tree-optimization/18947
1314         * cgraphunit.c (cgraph_finalize_function): When redefining an extern
1315         inline, remove all nodes that are inlined into the extern inline
1316         being redefined.
1317
1318 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
1319
1320         * bt-load.c, cfgloop.c, convert.c, dominance.c, global.c,
1321         loop-invariant.c, stmt.c, tree-ssa-forwprop.c,
1322         tree-ssa-live.c, tree-ssanames.c, tree-vn.c,
1323         config/host-linux.c, config/arm/fpa.md, config/avr/avr.h:
1324         Update copyright.
1325
1326 2005-02-17  Roger Sayle  <roger@eyesopen.com>
1327
1328         PR tree-optimization/19917
1329         * tree-eh.c (tree_could_trap_p): Consider calls to weak functions
1330         to be potentially trapping.
1331
1332 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
1333
1334         * libgcc2.c, tree-vect-analyze.c: Fix comment typos.
1335
1336 2005-02-17  Andreas Krebbel  <krebbel1@de.ibm.com>
1337
1338         * builtins.c (expand_builtin_return_addr): Remove tem parameter.
1339         tem becomes a local variable which is set to the value of the
1340         back end defined INITIAL_FRAME_ADDRESS macro.
1341         (expand_builtin_frame_address): Omit the base parameter to
1342         expand_builtin_return_addr.
1343         (expand_builtin_profile_func): Likewise.
1344         * config/s390/s390.h (INITIAL_FRAME_ADDRESS_RTX): Define new macro.
1345         (DYNAMIC_CHAIN_ADDRESS): Remove the case for the initial frame.
1346         * doc/tm.texi: Documentation for INITIAL_FRAME_ADDRESS_RTX added.
1347
1348 2005-02-17  Jakub Jelinek  <jakub@redhat.com>
1349
1350         * config/s390/s390.c (s390_alloc_pool, s390_free_pool,
1351         s390_chunkify_start): Use BITMAP_ALLOC and BITMAP_FREE.
1352         * config/frv/frv.c (frv_function_epilogue): Likewise.
1353
1354 2005-02-17  Daniel Berlin  <dberlin@dberlin.org>
1355
1356         * lambda-code (perfect_nestify): Remove mark/unmark
1357         for rewriting hack.
1358         * tree-loop-linear.c (linear_transform_loops): Add
1359         rewrite_into_ssa call so that ssa is correct for
1360         rewriting into loop closed.
1361
1362 2005-02-17  Nathan Sidwell  <nathan@codesourcery.com>
1363
1364         * bitmap.h (BITMAP_XMALLOC, BITMAP_XFREE): Remove.
1365         * bb-reorder.c (duplicate_computed_gotos): Use BITMAP_ALLOC and
1366         BITMAP_FREE.
1367         * bt-load.c (btr_def_live_range, combine_btr_defs,
1368         migrate_btr_def, migrate_btr_defs): Likewise.
1369         * cfgcleanup.c (thread_jump): Likewise.
1370         * cfgloop.c (get_loop_body_in_bfs_order): Likewise.
1371         * df.c (df_insn_table_realloc, df_bitmaps_alloc, df_bitmaps_free,
1372         df_alloc, df_free, df_du_chain_create, df_bb_rd_local_compute,
1373         df_rd_local_compute, df_reg_info_compute): Likewise.
1374         * dominance.c (init_dom_info, free_dom_info): Likewise.
1375         * flow.c (init_propagate_block_info,
1376         free_propagate_block_info): Likewise.
1377         * gcse.c (alloc_gcse_mem, free_gcse_mem): Likewise.
1378         * global.c (allocate_bb_info, free_bb_info, calculate_reg_pav,
1379         modify_reg_pav): Likewise.
1380         * loop-invariant.c (find_defs, find_invariant_insn,
1381         find_invariants, free_inv_motion_data): Likewise.
1382         * predict.c (tree_predict_by_opcode,
1383         estimate_bb_frequencies): Likewise.
1384         * stmt.c (expand_case): Likewise.
1385         * tree-cfg.c (tree_duplicate_sese_region): Likewise.
1386         * tree-dfa.c (mark_new_vars_to_rename): Likewise.
1387         * tree-if-conv.c (get_loop_body_in_if_conv_order): Likewise.
1388         * tree-into-ssa.c (insert_phi_nodes_for, def_blocks_free,
1389         get_def_blocks_for, mark_def_site_blocks, rewrite_into_ssa,
1390         rewrite_ssa_into_ssa): Likewise.
1391         * tree-optimize.c (tree_rest_of_compilation): Likewise.
1392         * tree-outof-ssa.c (new_temp_expr_table, free_temp_expr_table,
1393         analyze_edges_for_bb, perform_edge_inserts): Likewise.
1394         * tree-scalar-evolution.c (scev_initialize, scev_finalize): Likewise.
1395         * tree-sra.c (tree_sra): Likewise.
1396         * tree-ssa-alias.c (init_alias_info, delete_alias_info): Likewise.
1397         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
1398         * tree-ssa-dce.c (tree_dce_init, tree_dce_done): Likewise.
1399         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
1400         * tree-ssa-dse.c (tree_ssa_dse): Likewise.
1401         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_var):
1402         Likewise.
1403         * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info,
1404         calculate_live_on_entry, calculate_live_on_exit,
1405         build_tree_conflict_graph): Likewise.
1406         * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize_init, record_use,
1407         record_important_candidates, set_use_iv_cost, find_depends,
1408         determine_use_iv_costs, iv_ca_new, iv_ca_free, free_loop_data,
1409         tree_ssa_iv_optimize_finalize): Likewise.
1410         * tree-ssa-loop-manip.c (add_exit_phis_var, get_loops_exit,
1411         find_uses_to_rename_use, rewrite_into_loop_closed_ssa,
1412         tree_duplicate_loop_to_header_edge): Likewise.
1413         * tree-ssa-pre.c (init_pre, fini_pre): Likewise.
1414         * tree-ssa.c (verify_flow_insensitive_alias_info,
1415         verify_name_tags, verify_ssa, init_tree_ssa,
1416         delete_tree_ssa): Likewise.
1417         * tree-ssanames.c (marked_ssa_names, init_ssanames,
1418         fini_ssanames): Likewise.
1419         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Likewise.
1420
1421 2005-02-17  Ralf Corsepius  <ralf.corsepius@rtems.org>
1422
1423         * config/rs6000/t-rtems: Completely reworked.
1424
1425 2005-02-17  Ira Rosen  <irar@il.ibm.com>
1426
1427         * tree-data-ref.c (array_base_name_differ_p): Remove gcc_assert.
1428
1429 2005-02-17  Ira Rosen  <irar@il.ibm.com>
1430
1431         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Use
1432         POINTER_TYPE_P when checking that type is a pointer.
1433         (vect_get_memtag): Remove.
1434         (vect_address_analysis): Use POINTER_TYPE_P. Call
1435         vect_object_analysis with dummy parameter for memtag.
1436         (vect_object_analysis): Extract memtag (functionality that
1437         used to be in vect_get_memtag and moved here). Fix printings.
1438         (vect_analyze_data_refs): Fix comment. Call vect_object_analysis
1439         with correct parameters. Remove call to vect_get_memtag.
1440
1441 2005-02-17  Dorit Naishlos  <dorit@il.ibm.com>
1442
1443         * Makefile.in (tree-vect-analyze.o, tree-vect-transform.o): New.
1444         (tree-vectorizer.o): Added missing dependencies.
1445
1446         * tree-vectorizer.h (vect_dump, vect_verbosity_level): Added extern
1447         decleration.
1448         (slpeel_tree_peel_loop_to_edge): Function externalized (had a static
1449         declaration in tree-vectorizer.c, now has an extern declaration in
1450         tree-vectorizer.h).
1451         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
1452         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
1453         get_vectype_for_scalar_type, vect_is_simple_use,
1454         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
1455         vect_supportable_dr_alignment, new_loop_vec_info, destroy_loop_vec_info,
1456         new_stmt_vec_info, vect_analyze_loop, vectorizable_load,
1457         vectorizable_store, vectorizable_operation, vectorizable_assignment,
1458         vect_transform_loop, vect_print_dump_info, vect_set_verbosity_level,
1459         find_loop_location): Likewise.
1460
1461         * tree-vectorizer.c (langhooks.h): #include removed.
1462         (slpeel_tree_peel_loop_to_edge): Function externalized. Declaration
1463         moved to tree-vectorized.h.
1464         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
1465         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
1466         get_vectype_for_scalar_type, vect_is_simple_use,
1467         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
1468         vect_supportable_dr_alignment, new_loop_vec_info,
1469         destroy_loop_vec_info, new_stmt_vec_info, vect_print_dump_info,
1470         vect_set_verbosity_level, find_loop_location): Likewise.
1471
1472         (vect_analyze_loop): Function externalized. Declaration moved to
1473         tree-vectorized.h. Function definition moved to tree-vect-analyze.c.
1474         (vect_analyze_loop_form): Moved to tree-vect-analyze.c.
1475         (vect_mark_stmts_to_be_vectorized, vect_analyze_scalar_cycles,
1476         vect_analyze_data_ref_accesses, vect_analyze_data_ref_dependences,
1477         vect_analyze_data_refs_alignment, vect_compute_data_refs_alignment,
1478         vect_enhance_data_refs_alignment, vect_analyze_operations,
1479         exist_non_indexing_operands_for_use_p, vect_mark_relevant,
1480         vect_stmt_relevant_p, vect_get_loop_niters,
1481         vect_analyze_data_ref_dependence, vect_compute_data_ref_alignment,
1482         vect_analyze_data_ref_access, vect_analyze_pointer_ref_access,
1483         vect_can_advance_ivs_p, vect_get_ptr_offset, vect_analyze_offset_expr,
1484         vect_base_addr_differ_p, vect_object_analysis, vect_address_analysis,
1485         vect_get_memtag): Likewise.
1486
1487         (vectorizable_load): Function externalized. Declaration moved to
1488         tree-vectorized.h. Function definition moved to tree-vect-transform.c.
1489         (vectorizable_store, vectorizable_operation, vectorizable_assignment,
1490         vect_transform_loop): Likewise.
1491         (vect_transform_stmt): Moved to tree-vect-transform.c.
1492         (vect_align_data_ref, vect_create_destination_var,
1493         vect_create_data_ref_ptr, vect_create_index_for_vector_ref,
1494         vect_create_addr_base_for_vector_ref, vect_get_new_vect_var,
1495         vect_get_vec_def_for_operand, vect_init_vector,
1496         vect_finish_stmt_generation, vect_generate_tmps_on_preheader,
1497         vect_build_loop_niters, vect_update_ivs_after_vectorizer,
1498         vect_gen_niters_for_prolog_loop, vect_update_inits_of_dr,
1499         vect_update_inits_of_drs, vect_do_peeling_for_alignment,
1500         vect_do_peeling_for_loop_bound): Likewise.
1501
1502         * tree-vect-analyze.c: New file.
1503         * tree-vect-transform.c: New file.
1504
1505 2005-02-17  Jason Merrill  <jason@redhat.com>
1506
1507         PR mudflap/19319, c++/19317
1508         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Make return
1509         slot explicit.
1510
1511 2005-02-17  Gerald Pfeifer  <gerald@pfeifer.com>
1512
1513         * doc/install.texi (Specific): Update link for Darwin-specific
1514         tool binary site.
1515
1516 2005-02-16  James A. Morrison  <phython@gcc.gnu.org>
1517
1518         * fold-const.c (invert_truthvalue): <INTEGER_CST>: Call
1519         constant_boolean_node.
1520
1521 2005-02-16  David Edelsohn  <edelsohn@gnu.org>
1522
1523         PR target/19019
1524         * config/rs6000/t-aix43 (SHLIB_MAPFILES): Add libgcc-ppc64.ver.
1525         * config/rs6000/t-aix52 (SHLIB_MAPFILES): Same.
1526
1527 2005-02-16  Richard Henderson  <rth@redhat.com>
1528
1529         PR 19920
1530         * libgcc2.c (WORD_SIZE): Remove all definitions; replace uses
1531         with W_TYPE_SIZE.
1532         (HIGH_WORD_COEFF, HIGH_HALFWORD_COEFF): Remove all definitions;
1533         replace uses with Wtype_MAXp1_F.
1534         (L_fixunstfdi, L_fixtfdi, L_floatditf, L_fixunsxfdi, L_fixxfdi,
1535         L_floatdixf, L_fixunsxfsi, L_fixunsdfdi, L_floatdidf, L_fixunsdfsi,
1536         L_powidf2, L_powixf2, L_powitf2, L_muldc3, L_divdc3, L_mulxc3,
1537         L_divxc3, L_multc3, L_divtc3): Protect with HAVE_DFMODE, HAVE_XFMODE,
1538         and HAVE_TFMODE as appropriate.
1539         (__fixunssfDI): Provide an implementation that doesn't need DFmode.
1540         (__floatdisf): Likewise.
1541         * libgcc2.h (LIBGCC2_DOUBLE_TYPE_SIZE): New.
1542         (HAVE_DFMODE, HAVE_XFMODE, HAVE_TFMODE): New.
1543         (Wtype_MAXp1_F): New.
1544         (DFtype, DCtype, __fixdfdi, __floatdidf, __fixunsdfSI, __fixunsdfDI,
1545         __powidf2, __divdc3, __muldc3): Protect with HAVE_DFMODE.
1546
1547 2005-02-16  Richard Earnshaw  <rearnsha@arm.com>
1548
1549         * PR target/19162
1550         * arm.c (arm_apply_result_size): New function.
1551         * arm.h (APPLY_RESULT_SIZE): Define.
1552         * arm-protos.h (arm_apply_result_size): Add prototype.
1553         * arm.md (RO_REGNUM, FPA_F0_REGNUM, FPA_F7_REGNUM): New constants.
1554         (movxf): New expand.
1555         (ldmsi_postinc4_thumb, stmsi_postinc4_thumb): New patterns for Thumb.
1556         (call_value_symbol): Remove predicate for operand 0.
1557         (call_value_insn, sibcall_value, sibcall_value_insn): Likewise.
1558         (untyped_call): Rework to correclty return values for any type.
1559         (untyped_return): New expand.
1560         * fpa.md (movxf_fpa): Simplify and use sfm/lfm when appropriate.
1561
1562 2005-02-16  Stan Shebs  <shebs@apple.com>
1563
1564         * config.gcc (powerpc-*-darwin*): Use fragment for Darwin 8 or later.
1565         * config/rs6000/t-darwin8: New, for 64-bit multilib.
1566
1567 2005-02-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
1568
1569         * doc/install.texi (sparc-sun-solaris2*): Document required GMP
1570         configure settings on Solaris 7 and later.
1571
1572 2005-02-16  Diego Novillo  <dnovillo@redhat.com>
1573
1574         PR tree-optimization/19865
1575         * tree-optimize.c (init_tree_optimization_passes): Run
1576         pass_may_alias after pass_sra.
1577
1578 2005-02-16  Richard Henderson  <rth@redhat.com>
1579             Stuart Hastings  <stuart@apple.com>
1580
1581         PR debug/19521
1582         * dbxout.c (dbxout_function_end): Take decl parameter; update callers.
1583         Do nothing if debug info suppressed for this function.
1584         (dbxout_begin_function): Early exit if debug info suppressed for
1585         this function.
1586
1587 2005-02-16  Kazu Hirata  <kazu@cs.umass.edu>
1588
1589         PR target/20007
1590         * config/ip2k/ip2k.c (ip2k_reorg): Adjust calls to
1591         find_basic_blocks.
1592         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
1593
1594         PR tree-optimization/19967
1595         * builtins.c (expand_builtin_strstr, expand_builtin_strpbrk,
1596         expand_builtin_strchr, expand_builtin_strrchr): Take a new
1597         argument TYPE.  Adjust calls to fold_builtin_XXX.
1598         (expand_builtin, fold_builtin_1): Adjust calls to
1599         expand_builtin_XXX.
1600         (fold_builtin_strchr, fold_builtin_strpbrk,
1601         fold_builtin_strstr, fold_builtin_strrchr): Convert the folded
1602         result to a requested type TYPE.
1603
1604 2005-02-16  Jakub Jelinek  <jakub@redhat.com>
1605
1606         PR middle-end/19857
1607         * fold-const.c (fold): Don't optimize (T)(x & cst) to
1608         (T)x & (T)cst if (T)cst overflows.
1609         * convert.c (convert_to_integer) <case POINTER_TYPE>: Pass
1610         TYPE_UNSIGNED (type) as type_for_size's UNSIGNEDP argument.
1611
1612 2005-02-15  Jeff Law  <law@redhat.com>
1613
1614         * gcse.c (blocks_with_calls): New bitmap.
1615         (alloc_gcse_mem): Allocate it.
1616         (free_gcse_mem): Free it.
1617         (clear_modifY_mem_tables): Clear it.
1618         (record_last_mem_set_info): Set the proper bit in BLOCK_WITH_CALLS
1619         when we encounter CALL_INSNs.
1620         (compute_transp, case MEM): Handle blocks with calls separate
1621         from blocks without calls.  Use bitmap iterators rather than
1622         FOR_EACH_BB.
1623
1624 2005-02-15  Peter O'Gorman  <peter@pogma.com>
1625
1626         PR bootstrap/18810
1627         * mklibgcc.in (vis_hide): Use a temporary object file, not
1628         -o /dev/null.
1629
1630 2005-02-15  Andy Hutchinson  <HutchinsonAndy@netscape.net>
1631
1632         PR target/19924
1633         * config/avr/avr.h (MODES_TIEABLE_P): Define to 1 to allow subreg
1634         access optimization.
1635
1636 2005-02-15  David Edelsohn  <edelsohn@gnu.org>
1637             Alan Modra  <amodra@bigpond.net.au>
1638
1639         PR target/19019
1640         * config/rs6000/darwin-ldouble.c (_xlqadd): Rename to __gcc_qadd.
1641         (_xlqsub): Rename to __gcc_qsub.
1642         (_xlqmul): Rename to __gcc_qmul.
1643         (_xlqdiv): Rename to __gcc_qdiv.
1644         Provide versioned symbol aliases with old names.
1645         * config/rs6000/libgcc-ppc64.ver: Rename symbols.
1646         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Rename symbols.
1647         * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): New.
1648         * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): New.
1649         * config/rs6000/t-newas (LIB2FUNCS_EXTRA): New.
1650
1651 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
1652
1653         * fold-const.c (fold): Fold -(~A) to A + 1.  Fold ~(-A) to A - 1.
1654         Fold ~(A - 1) and ~(A + -1) to -A.
1655
1656 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
1657
1658         PR pch/14940
1659         PR target/19300
1660         * config/host-linux.c (linux_gt_pch_use_address): Copy from
1661         config/pa/pa-host.c:pa_gt_pch_use_address.
1662
1663 2005-02-15  Daniel Berlin  <dberlin@dberlin.org>
1664
1665         * tree-vn.c (get_value_handle): Make sure that given an
1666         is_gimple_min_invariant expression, we always return it.
1667
1668 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
1669
1670         * passes.c (rest_of_handle_gcse): Fix a comment.
1671
1672 2005-02-15  Jeff Law  <law@redhat.com>
1673
1674         * gcse.c (canon_modify_mem_set_list_set): Kill unnecessary
1675         bitmap.
1676         (alloc_gcse_mem, free_gcse_mem): Corresponding changes.
1677         (canon_list_insert, record_last_mem_set_info): Similarly.
1678         (clear_modify_mem_tables): Similarly.
1679
1680 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
1681
1682         * bitmap.c, bitmap.h, lambda-code.c, tree-dfa.c, tree-dump.c,
1683         tree-dump.h, tree-ssa-loop-manip.c, value-prof.c,
1684         config/mips/mips.md, config/rs6000/aix.h,
1685         config/rs6000/beos.h, config/rs6000/sysv4.h: Update copyright.
1686
1687 2005-02-15  Richard Henderson  <rth@redhat.com>
1688
1689         * bb-reorder.c (find_traces_1_round): Force fallthru edge from a
1690         call to be best_edge.
1691
1692 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
1693
1694         * basic-block.h: Adjust the prototype for find_basic_blocks.
1695         * cfgbuild.c (find_basic_blocks): Remove unused arguments.
1696         * passes.c (rest_of_handle_loop_optimize): Adjust the call to
1697         find_basic_blocks.
1698
1699         * flow.c (recompute_reg_usage): Remove all arguments.
1700         * passes.c (rest_of_compilation): Adjust the call to
1701         recompute_reg_usage.
1702         * rtl.h: Adjust the prototype for recompute_reg_usage.
1703
1704 2005-02-14  Daniel Berlin  <dberlin@dberlin.org>
1705
1706         * tree-dump.c (dump_files): Update to reflect new member
1707         of dump_file_info.
1708         (dump_register): Add new argument.
1709         Set glob name.
1710         (dump_switch_p_1): Check against glob name if doglob was passed.
1711         (dump_switch_p): Check against regular first, then glob if
1712         we didn't have any hits on the dump name.
1713         * tree-optimize.c (register_one_dump_file):
1714         Pass in glob name as well.
1715         * tree-pass.h (struct dump_file_info): Add glob
1716         member.
1717
1718 2005-02-14  Joseph S. Myers  <joseph@codesourcery.com>
1719
1720         PR preprocessor/16323
1721         * doc/invoke.texi: Document that -Wendif-labels is on by default.
1722
1723 2005-02-14  David Edelsohn  <edelsohn@gnu.org>
1724
1725         PR target/19019
1726         * config/rs6000/rs6000.md (trunctfdf2): Change to define_expand.
1727         (trunctfdf2_internal1): New.
1728         (trunctfdf2_internal2): Renamed from trunctfdf2.
1729
1730 2005-02-14  Diego Novillo  <dnovillo@redhat.com>
1731
1732         PR tree-optimization/19853
1733         * tree-dfa.c (add_referenced_var): Always examine DECL_INITIAL.
1734
1735 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
1736
1737         * passes.c (rest_of_handle_loop_optimize): Remove calls to
1738         delete_dead_jumptables and cleanup_cfg.
1739
1740 2005-02-14  Ulrich Weigand  <uweigand@de.ibm.com>
1741
1742         * reload.c (find_reloads): Swap address_reloaded flags when
1743         swapping commutative operands.
1744
1745 2005-02-14  Sebastian Pop  <pop@cri.ensmp.fr>
1746
1747         * lambda-code.c (lambda_loopnest_to_gcc_loopnest, perfect_nestify):
1748         Use standard_iv_increment_position for computing the bsi position
1749         for create_iv.
1750         * tree-ssa-loop-manip.c (create_iv): Add a comment on how to compute
1751         the bsi position.
1752
1753 2005-02-13  Zdenek Dvorak  <dvorakz@suse.cz>
1754
1755         PR target/17428
1756         * cfgrtl.c (safe_insert_insn_on_edge): Avoid extending
1757         life range of hard registers.
1758         * value-prof.c (insn_prefetch_values_to_profile): Only
1759         scan normal insns.
1760
1761         * value-prof.c (rtl_find_values_to_profile): Do not look for values to
1762         profile in libcalls.
1763
1764 2005-02-13  Nathan Sidwell  <nathan@codesourcery.com>
1765
1766         * bitmap.h (bitmap_and_compl_into): Return bool.
1767         * bitmap.c (bitmap_and_compl_into): Return changed flag.
1768
1769 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
1770
1771         PR tree-optimization/19944
1772         * fold-const.c (fold): Re-add ABS_EXPR folding.
1773
1774 2005-02-13  David Edelsohn  <edelsohn@gnu.org>
1775
1776         PR target/19019
1777         * config/rs6000/aix.h ({TARGET,MASK}_XL_CALL): Rename to
1778         {TARGET,MASK}_XL_COMPAT.
1779         (SUBTARGET_SWITCHES): Rename xl-call to xl-compat.  Use
1780         MASK_XL_COMPAT.
1781         * config/rs6000/beos.h ({TARGET,MASK}_XL_CALL): Remove.
1782         * config/rs6000/rs6000.c (function_arg): Change TARGET_XL_CALL to
1783         TARGET_XL_COMPAT.
1784         (rs6000_arg_partial_bytes): Same.
1785         (rs6000_generate_compare): Generate PARALLEL for compare if TFmode
1786         and XL compatibility enabled.
1787         * config/rs6000/rs6000.h (TARGET_XL_CALL): Rename to TARGET_XL_COMPAT.
1788         * config/rs6000/rs6000.md (cmptf_internal1): Add !TARGET_XL_COMPAT
1789         test to final condition.
1790         (cmptf_internal2): New.
1791         * doc/invoke.texi (RS/6000 Subtarget Options): Change xl-call to
1792         xl-compat.  Add TFmode information to description.
1793
1794 2005-02-13  Kazu Hirata  <kazu@cs.umass.edu>
1795
1796         * flags.h, read-rtl.c, tree-ssa-live.h: Update copyright.
1797
1798 2005-02-13  Jason Merrill  <jason@redhat.com>
1799
1800         PR c++/16405
1801         * fold-const.c (fold_indirect_ref_1): Split out from...
1802         (build_fold_indirect_ref): Here.
1803         (fold_indirect_ref): New fn.
1804         * tree.h: Declare it.
1805         * gimplify.c (gimplify_compound_lval): Call fold_indirect_ref.
1806         (gimplify_modify_expr_rhs): Likewise.
1807         (gimplify_expr): Likewise.
1808
1809 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
1810
1811         PR tree-optimization/14303
1812         PR tree-optimization/15784
1813         * fold-const.c (fold): Fold ABS_EXPR<x> >= 0 to true, when possible.
1814         Fold ABS_EXPR<x> < 0 to false.  Fold ABS_EXPR<x> == 0 to x == 0 and
1815         ABS_EXPR<x> != 0 to x != 0.
1816
1817 2005-02-12  Kazu Hirata  <kazu@cs.umass.edu>
1818
1819         * c-tree.h, combine.c, expmed.c, flow.c, libgcc2.c,
1820         simplify-rtx.c, tree-ssa-live.h: Fix comment typos.  Follow
1821         spelling conventions.
1822
1823         * passes.c (rest_of_handle_gcse): Don't run cse_main and
1824         delete_trivially_dead_insns too many times.
1825
1826         * passes.c (rest_of_handle_gcse): Remove dead assignments to
1827         tem and tem2.
1828
1829 2005-02-12  Ira Rosen  <irar@il.ibm.com>
1830
1831         * tree-vectorizer.c (vect_get_base_and_offset): Remove.
1832         (vect_is_simple_iv_evolution): Remove redundant parameter
1833         and step check.
1834         (vect_analyze_scalar_cycles): Call vect_is_simple_iv_evolution
1835         without last parameter.
1836         (vect_analyze_pointer_ref_access): Get access_fn as parameter.
1837         Return pointer step. Call vect_is_simple_iv_evolution without
1838         last parameter. Check only that the step is multiple of size
1839         type. Remove stmt_vinfo updates.
1840         (vect_get_memtag_and_dr): Remove.
1841         (vect_get_memtag): New function.
1842         (vect_address_analysis): New function.
1843         (vect_object_analysis): New function.
1844         (vect_analyze_data_refs): Call vect_object_analysis and
1845         vect_get_memtag. Update stmt_vinfo fields.
1846
1847 2005-02-12  Ira Rosen  <irar@il.ibm.com>
1848
1849         * tree-data-ref.c (array_base_name_differ_p): Check that the bases
1850         exist and are objects. Remove checks for pointer.
1851         * tree-vectorizer.c (vect_create_addr_base_for_vector_ref): Use
1852         STMT_VINFO_VECT_DR_BASE_ADDRESS instead of DR_BASE_NAME.
1853         (vect_create_data_ref_ptr): Likewise.
1854         (vect_base_addr_differ_p): New function.
1855         (vect_analyze_data_ref_dependence): Call vect_base_addr_differ_p.
1856         (vect_analyze_pointer_ref_access): Add output parameter - ptr_init.
1857         Don't set the DR_BASE_NAME field of data-ref.
1858         (vect_get_memtag_and_dr): Use ptr_init instead of DR_BASE_NAME.
1859
1860 2005-02-12  Uros Bizjak  <uros@kss-loka.si>
1861
1862         * optabs.h (enum optab_index): Add new OTI_ldexp.
1863         (ldexp_optab): Define corresponding macro.
1864         * optabs.c (init_optabs): Initialize ldexp_optab.
1865         * genopinit.c (optabs): Implement ldexp_optab using ldexp?f3
1866         patterns.
1867         * builtins.c (expand_builtin_mathfn_2): Handle BUILT_IN_LDEXP{,F,L}
1868         using ldexp_optab.
1869         (expand_builtin): Expand BUILT_IN_LDEXP{,F,L} using
1870         expand_builtin_mathfn_2 if flag_unsafe_math_optimizations is set.
1871
1872         * config/i386/i386.md (ldexpsf3, ldexpdf3, ldexpxf3): New expanders
1873         to implement ldexpf, ldexp and ldexpl built-ins as inline x87
1874         intrinsics.
1875
1876 2005-02-12  Ira Rosen  <irar@il.ibm.com>
1877
1878         * tree-vectorizer.h (struct _stmt_vec_info): Rename a field: base
1879         to base_address.
1880         * tree-vectorizer.c (new_stmt_vec_info): Rename the above field of
1881         stmt_vec_info.
1882         (vect_get_base_and_offset): Always return an address.
1883         (vect_create_addr_base_for_vector_ref): Remove treatment for
1884         different data reference types.
1885         (vect_compute_data_ref_alignment): Rename base to base_address in
1886         stmt_vec_info. Get the object in order to force its alignment.
1887         (vect_get_memtag_and_dr): Rename base to base_address in
1888         stmt_vec_info. Extract the object for memtag analysis.
1889
1890 2005-02-12  Hans-Peter Nilsson  <hp@axis.com>
1891
1892         PR regression/19898.
1893         * config/cris/cris.c (cris_notice_update_cc): When testing if insn
1894         changes cc_status, use apply modified_in_p to part of cc_status
1895         and insn, not cris_reg_overlap_mentioned_p on SET_DEST of insn
1896         body.
1897
1898 2005-02-11  Richard Henderson  <rth@redhat.com>
1899
1900         * tree-complex.c (expand_complex_libcall): New.
1901         (expand_complex_multiplication): Use it for c99 compliance.
1902         (expand_complex_division): Likewise.
1903         * fold-const.c (fold_complex_add, fold_complex_mult): New.
1904         (fold): Call them.
1905         * builtins.c (built_in_names): Remove const.
1906         * tree.c (build_common_builtin_nodes): Build complex arithmetic
1907         builtins.
1908         * tree.h (BUILT_IN_COMPLEX_MUL_MIN, BUILT_IN_COMPLEX_MUL_MAX): New.
1909         (BUILT_IN_COMPLEX_DIV_MIN, BUILT_IN_COMPLEX_DIV_MAX): New.
1910         (built_in_names): Remove const.
1911         * c-common.c (c_common_type_for_mode): Handle complex modes.
1912         * flags.h, toplev.c (flag_complex_method): Rename from
1913         flag_complex_divide_method.
1914         * libgcc2.c (__divsc3, __divdc3, __divxc3, __divtc3,
1915         __mulsc3, __muldc3, __mulxc3, __multc3): New.
1916         * libgcc2.h: Declare them.
1917         * libgcc-std.ver: Export them.
1918         * mklibgcc.in (lib2funcs): Build them.
1919
1920 2005-02-11  Steven Bosscher  <stevenb@suse.de>
1921
1922         PR tree-optimization/19876
1923         Partially revert my change from 2005-01-14
1924         * tree-ssa-pre.c (compute_antic_aux): Make recursive once again...
1925         (compute_antic): ...and remove the loop here.
1926
1927 2005-02-11  Jakub Jelinek  <jakub@redhat.com>
1928
1929         PR middle-end/19858
1930         * fold-const.c (make_bit_field_ref): If bitpos == 0 and bitsize
1931         is number of inner's bits, avoid creating a BIT_FIELD_REF.
1932
1933         * config/rs6000/sysv4.h (ENDFILE_LINUX_SPEC): Use crtendS.o instead of
1934         crtend.o if -pie.  Use %{x:a;:b} spec syntax.
1935
1936 2005-02-11  Daniel Jacobowitz  <dan@codesourcery.com>
1937
1938         * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
1939         offsets for the big-endian 32-bit case.
1940
1941 2005-02-11  Joseph S. Myers  <joseph@codesourcery.com>
1942
1943         * config/ia64/hpux.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
1944
1945 2005-02-11  Dale Johannesen  <dalej@apple.com>
1946
1947         * cselib.c (cselib_process_insn):  Clear out regs where
1948         HARD_REGNO_CALL_PART_CLOBBERED is true at a call.
1949         * reload.c (find_equiv_reg): Ditto.
1950
1951 2005-02-11  Ian Lance Taylor  <ian@airs.com>
1952
1953         * read-rtl.c (read_rtx_1): Give fatal error if we see a vector
1954         with no elements.
1955
1956         * tree.c (build_function_type_list): Work correctly if there are
1957         no arguments.
1958
1959 2005-02-11  Ulrich Weigand  <uweigand@de.ibm.com>
1960
1961         * config/s390/s390.md ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs",
1962         "*cmpsi_ccs"): Use %h instead of %c to print immediate operand.
1963         ("*zero_extendhisi2_64", "*zero_extendhisi2_31"): Choose based on
1964         TARGET_ZARCH instead of TARGET_64BIT.
1965
1966 2005-02-11  Ralf Corsepius  <ralf.corsepius@rtems.org>
1967
1968         * config/rs6000/t-rtems:
1969         (MULTILIB_OPTIONS): Remove mcpu=602.
1970         (MUTLILIB_DIRNAMES): Remove m602.
1971         (MULTILIB_MATCHES): Add ${MULTILIB_MATCHES_FLOAT}.
1972         Let mcpu=602 match mcpu=603.
1973         (MULTILIB_NEW_EXCEPTIONS_ONLY): Add mcpu=601, mcpu=602, mcpu=m603.
1974
1975 2005-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1976
1977         * pa/linux-unwind.h (pa32_fallback_frame_state): Handle misaligned
1978         signal trampolines.
1979
1980 2005-02-10  David Daney  <ddaney@avtrex.com>
1981
1982         * config/alpha/linux-unwind.h: Add exception clause to copyright.
1983         * config/i386/linux-unwind.h: Likewise.
1984         * config/ia64/linux-unwind.h: Likewise.
1985         * config/mips/linux-unwind.h: Likewise.
1986         * config/pa/linux-unwind.h: Likewise.
1987         * config/rs6000/linux-unwind.h: Likewise.
1988         * config/s390/linux-unwind.h: Likewise.
1989         * config/sh/linux-unwind.h: Likewise.
1990         * config/sparc/linux-unwind.h: Likewise.
1991
1992 2005-02-10  Steven Bosscher  <stevenb@suse.de>
1993
1994         PR tree-optimization/17549
1995         * tree-outof-ssa.c (find_replaceable_in_bb): Do not allow
1996         TER to replace a DEF with its expression if the DEF and the
1997         rhs of the expression we replace into have the same root
1998         variable.
1999
2000 2005-02-10  Richard Sandiford  <rsandifo@redhat.com>
2001
2002         * config/mips/mips.md: Fix the placement of the match_scratch in the
2003         lea64 peephole2.
2004
2005 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
2006
2007         * cse.c, tree-ssa-loop-ivopts.c, config/rs6000/linux-unwind.h:
2008         Fix comment typos.
2009
2010 2005-02-10  Zdenek Dvorak  <dvorakz@suse.cz>
2011
2012         * tree-ssa-loop-ivopts.c (determine_base_object): Ignore casts.
2013         (strip_offset): Handle addresses.
2014         (add_address_candidates): Use strip_offset.
2015         (difference_cost): Reflect strip_offset change.
2016         (force_var_cost, difference_cost): Strip nops.
2017
2018 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
2019
2020         * df.h (DF_REF_MODE_CHANGE, DF_REF_MEM_OK): Remove.
2021
2022         * builtins.def, haifa-sched.c, libgcc2.c, libgcc2.h,
2023         tree-ssa-loop-ivcanon.c, tree-ssa-loop-niter.c,
2024         config/cris/cris-protos.h, config/cris/cris.c: Update
2025         copyright.
2026
2027 2005-02-10  Jeff Law  <law@redhat.com>
2028
2029         * tree-ssa-dom.c (thread_across_edge): Use xmalloc, not xcalloc.
2030         (lookup_avail_expr): Similarly.
2031
2032 2005-02-10  Richard Guenther  <rguenth@gcc.gnu.org>
2033
2034         * builtins.c (fold_builtin_powi): New function.
2035         (fold_builtin_1): Call it.
2036
2037 2005-02-10  Steven Bosscher  <stevenb@suse.de>
2038
2039         PR documentation/19309
2040         * doc/cpp.texi: The __GNUC__ and related predefined macros
2041         are also defined for the "standalone" cpp.
2042         Some non-GCC compilers may also define __GNUC__.
2043
2044 2005-02-10  Jakub Jelinek  <jakub@redhat.com>
2045
2046         PR c/19342
2047         * c-typeck.c (common_type): New routine.  Old common_type renamed
2048         to...
2049         (c_common_type): ...this.
2050         (build_conditional_expr, build_binary_op): Use c_common_type instead
2051         of common_type.
2052
2053 2005-02-10  Steven Bosscher  <stevenb@suse.de>
2054
2055         * doc/md.texi: Replace @samp{length} with @code{length}.
2056
2057 2005-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
2058
2059         PR tree-optimization/18687
2060         * tree-flow.h (find_loop_niter): Declare.
2061         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
2062         Try using scev even for loops with more than one exit.
2063         * tree-ssa-loop-ivopts.c (struct loop_data): Removed niter field.
2064         (struct ivopts_data): Added niters field.
2065         (struct nfe_cache_elt): New.
2066         (nfe_hash, nfe_eq, niter_for_exit, niter_for_single_dom_exit): New
2067         functions.
2068         (tree_ssa_iv_optimize_init): Initialize niters cache.
2069         (determine_number_of_iterations): Removed.
2070         (find_induction_variables): Do not call determine_number_of_iterations.
2071         Access niters for single exit through niter_for_single_dom_exit.
2072         (add_iv_outer_candidates): Access niters for single exit through
2073         niter_for_single_dom_exit.
2074         (may_eliminate_iv): Take data argument.  Use niter_for_exit.  Do not use
2075         number_of_iterations_cond.
2076         (iv_period): New function.
2077         (determine_use_iv_cost_condition): Pass data to may_eliminate_iv.
2078         (may_replace_final_value): Take data argument.  Use
2079         niter_for_single_dom_exit.
2080         (determine_use_iv_cost_outer): Pass data to may_replace_final_value.
2081         (rewrite_use_compare): Pass data to may_eliminate_iv.
2082         (rewrite_use_outer): Pass data to may_replace_final_value.
2083         (free_loop_data): Clean up the niters cache.
2084         (tree_ssa_iv_optimize_finalize): Free the niters cache.
2085         (tree_ssa_iv_optimize_loop): Do not call loop_commit_inserts.
2086         * tree-ssa-loop-niter.c (find_loop_niter): New function.
2087         (find_loop_niter_by_eval): Use tree_int_cst_lt.
2088         (num_ending_zeros): Moved to tree.c.
2089         * tree.h (num_ending_zeros): Declare.
2090         * tree.c (num_ending_zeros): Moved from tree.c.
2091
2092 2005-02-09  Richard Henderson  <rth@redhat.com>
2093
2094         * builtins.c (DEF_BUILTIN): Add COND argument.
2095         * tree.h (DEF_BUILTIN): Likewise.
2096         * builtins.def (DEF_GCC_BUILTIN, DEF_LIB_BUILTIN, DEF_EXT_LIB_BUILTIN,
2097         DEF_C94_BUILTIN, DEF_C99_BUILTIN, DEF_C99_C90RES_BUILTIN): Update to
2098         match.
2099         (DEF_BUILTIN_STUB): New.
2100         (BUILT_IN_STACK_SAVE, BUILT_IN_STACK_RESTORE, BUILT_IN_INIT_TRAMPOLINE,
2101         BUILT_IN_ADJUST_TRAMPOLINE, BUILT_IN_NONLOCAL_GOTO,
2102         BUILT_IN_PROFILE_FUNC_ENTER, BUILT_IN_PROFILE_FUNC_EXIT): Use it.
2103         * c-common.c (DEF_BUILTIN): Add COND argument.
2104         * tree.c (local_define_builtin): New.
2105         (build_common_builtin_nodes): New.
2106
2107 2005-02-09  Roger Sayle  <roger@eyesopen.com>
2108
2109         * fold-const.c (fold_strip_sign_ops): New function to simplify a
2110         floating point expression ignoring the sign of the result.
2111         (fold) <ABS_EXPR>: Use it to simplify fabs(x).
2112         (fold) <MULT_EXPR>: Use it to simplify x*x.
2113         * tree.h (fold_strip_sign_ops): Prototype here.
2114         * builtins.c (fold_builtin_copysign): Take an additional FNDECL
2115         argument.  Use fold_strip_sign_ops to simplify the first argument.
2116         (fold_builtin_pow):  Use fold_strip_sign_ops to simplify the
2117         first argument when the second argument is an even integer
2118         constant, but only with -funsafe_math_optimizations.
2119         (fold_builtin_1): Update call to fold_builtin_copysign.
2120
2121 2005-02-09  Ian Lance Taylor  <ian@airs.com>
2122
2123         PR middle-end/19583
2124         * gimple-low.c (try_catch_may_fallthru): In EH_FILTER_EXPR case,
2125         just check whether EH_FILTER_FAILURE falls through.
2126
2127 2005-02-09  Andreas Krebbel  <krebbel1@de.ibm.com>
2128
2129         * gcc/haifa-sched.c (schedule_block): Make queued sched group
2130         insns return to ready list in the next turn.
2131
2132 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
2133
2134         PR middle-end/19402
2135         * builtins.def: New __builtin_powi[lf].
2136         * builtins.c (mathfn_built_in): Handle BUILT_IN_POWI.
2137         (expand_builtin_powi): New function.
2138         (expand_builtin): Dispatch to expand_builtin_powi.
2139         * libgcc2.h: Add prototypes for __builtin_powi[lf].
2140         * libgcc2.c: Add __builtin_powi[lf] implementation.
2141         * mklibgcc.in: Add __builtin_powi[lf] to lib2funcs.
2142         * optabs.h: Add powi_optab.
2143         * optabs.c (init_optabs): Initialize powi_optab.
2144         * doc/extend.texi: Document __builtin_powi[lf].
2145
2146 2005-02-09  Dorit Naishlos  <dorit@il.ibm.com>
2147
2148         * tree-vectorizer.c (vect_set_dump_settings): Check that dump_file
2149         exists.
2150
2151 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
2152
2153         PR middle-end/19854
2154         * fold-const.c (try_move_mult_to_index): Remove redundant
2155         type argument.  Create ADDR_EXPR with correct type.
2156         (fold): Update callers of try_move_mult_to_index.  Convert
2157         result to the appropriate type.
2158
2159 2005-02-09  Roger Sayle  <roger@eyesopen.com>
2160
2161         PR target/19597
2162         * config/avr/avr.c (default_rtx_costs): Delete.
2163         (avr_operand_rtx_cost): New function.
2164         (avr_rtx_costs): Completely rewrite.
2165
2166 2005-02-08  Hans-Peter Nilsson  <hp@axis.com>
2167
2168         PR target/19806
2169         * config/cris/cris.c (in_code): New variable.
2170         (cris_output_addr_const): Now a static function, a wrapper for
2171         output_addr_const.
2172         (cris_asm_output_symbol_ref): New function, broken out SYMBOL_REF
2173         case from old cris_output_addr_const.
2174         (cris_asm_output_label_ref): Similar for LABEL_REF.
2175         (cris_output_addr_const_extra): Similar for UNSPEC.
2176         * config/cris/cris.h (OUTPUT_ADDR_CONST_EXTRA)
2177         (ASM_OUTPUT_SYMBOL_REF, ASM_OUTPUT_LABEL_REF): Define.
2178         * config/cris/cris-protos.h (cris_output_addr_const): Remove
2179         declaration.
2180         (cris_asm_output_symbol_ref, cris_output_addr_const_extra)
2181         (cris_asm_output_label_ref): Declare.
2182
2183 2005-02-08  Paolo Bonzini  <bonzini@gnu.org>
2184
2185         PR preprocessor/19801
2186         * doc/cppinternals.texi (Conventions, Lexer, Files): Adjust
2187         filenames that changed when libcpp was moved to the toplevel.
2188
2189 2005-02-07  Roger Sayle  <roger@eyesopen.com>
2190
2191         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
2192         zero extensions of BImode operands.  Call lowpart_subreg instead
2193         of gen_lowpart_common and gen_lowpart_SUBREG.
2194
2195 2005-02-07  Nathanael Nerode  <neroden@gcc.gnu.org>
2196
2197         PR ada/19489
2198         * libada-mk.in: Use cc_for_cross_gnattools, not cc_set_by_configure.
2199         * configure.ac: Set cc_for_cross_gnattools.
2200         * configure: Regenerate.
2201
2202 2005-02-08  Alan Modra  <amodra@bigpond.net.au>
2203
2204         PR target/19803
2205         * predict.c (PROB_VERY_UNLIKELY): Use 1% instead of 10%.
2206
2207 2005-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
2208
2209         PR debug/19327
2210         * dbxout.c (dbxout_symbol) <FUNCTION_DECL>: Skip inline instance
2211         of nested functions.
2212
2213 2005-02-07  Jonathan Wakely  <redi@gcc.gnu.org>
2214
2215         * doc/extend.texi: Document deprecated extensions allowing
2216         static floating-point members to have initializers and allowing
2217         floating-point literals in integral constant expressions.
2218
2219 2005-02-07  Kazu Hirata  <kazu@cs.umass.edu>
2220
2221         * cfgcleanup.c, df.h, diagnostic.c, rtl.c, tree-vectorizer.h,
2222         config/darwin7.h, config/mips/mips.c,
2223         config/rs6000/altivec.md, config/rs6000/darwin-tramp.asm:
2224         Update copyright.
2225
2226         * cse.c: Update comments.
2227
2228 2005-02-07  Richard Guenther  <rguenth@gcc.gnu.org>
2229
2230         PR middle-end/19775
2231         * builtins.c (fold_builtin_sqrt): Transform
2232         sqrt(pow(x,y)) to pow(fabs(x),y*0.5), not
2233         pow(x,y*0.5).
2234
2235 2005-02-07  Leehod Baruch  <leehod@il.ibm.com>
2236             Dorit Naishlos  <dorit@il.ibm.com>
2237
2238         * doc/invoke.texi (ftree-vectorizer-verbose): New.
2239         * opts.c (OPT_ftree_vectorizer_verbose_): New case for switch.
2240         * common.opt (ftree-vectorizer-verbose): New Flag for the vectorizer
2241         was added.
2242         * tree.h (vect_set_verbosity_level): New extern function declaration
2243         added.
2244         * tree-vectorizer.h (verbosity_levels): New enum type.
2245         * tree-vectorizer.c (vect_debug_stats): Function removed.
2246         (vect_debug_details): Likewise.
2247         (vect_verbosity_level): Global variable was defined and initialized.
2248         (vect_dump): Global variable definition.
2249         (vect_print_dump_info): New function.
2250         (vect_set_dump_settings): New function.
2251         (vect_set_verbosity_level): New function.
2252         (vectorize_loops): Add call to vect_set_dump_settings.
2253
2254         (slpeel_make_loop_iterate_ntimes): Dump condition was changed.
2255         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
2256         (slpeel_tree_peel_loop_to_edge): Likewise.
2257
2258         (vect_analyze_offset_expr): Call to vect_print_dump_info with
2259         appropriate verbosity level instead of call to vect_debug_details
2260         or vect_debug_stats.
2261         (vect_get_base_and_offset):
2262         (vect_create_addr_base_for_vector_ref):
2263         (get_vectype_for_scalar_type):
2264         (vect_create_data_ref_ptr):
2265         (vect_init_vector):
2266         (vect_get_vec_def_for_operand):
2267         (vect_finish_stmt_generation):
2268         (vectorizable_assignment):
2269         (vectorizable_operation):
2270         (vectorizable_store):
2271         (vectorizable_load):
2272         (vect_transform_stmt):
2273         (vect_update_ivs_after_vectorizer):
2274         (vect_do_peeling_for_loop_bound):
2275         (vect_update_inits_of_drs):
2276         (vect_do_peeling_for_alignment):
2277         (vect_transform_loop):
2278         (vect_is_simple_use):
2279         (vect_analyze_operations):
2280         (vect_is_simple_iv_evolution):
2281         (vect_analyze_scalar_cycles):
2282         (vect_analyze_data_ref_dependence):
2283         (vect_analyze_data_ref_dependences):
2284         (vect_compute_data_ref_alignment):
2285         (vect_enhance_data_refs_alignment):
2286         (vect_analyze_data_refs_alignment):
2287         (vect_analyze_data_ref_access):
2288         (vect_analyze_data_ref_accesses):
2289         (vect_analyze_pointer_ref_access):
2290         (vect_get_memtag_and_dr):
2291         (vect_analyze_data_refs):
2292         (vect_mark_relevant):
2293         (vect_stmt_relevant_p):
2294         (vect_mark_stmts_to_be_vectorized):
2295         (vect_can_advance_ivs_p):
2296         (vect_get_loop_niters):
2297         (vect_analyze_loop_form):
2298         (vect_analyze_loop):
2299         (vectorize_loops): Likewise.
2300
2301         (vect_do_peeling_for_loop_bound): Dump format slightly changed.
2302         (vect_update_inits_of_drs):
2303         (vect_do_peeling_for_alignment):
2304         (vect_transform_loop):
2305         (vect_analyze_operations):
2306         (vect_analyze_scalar_cycles):
2307         (vect_analyze_data_ref_dependences):
2308         (vect_analyze_data_refs_alignment):
2309         (vect_analyze_data_ref_accesses):
2310         (vect_analyze_data_refs):
2311         (vect_mark_stmts_to_be_vectorized):
2312         (vect_get_loop_niters):
2313         (vect_analyze_loop_form):
2314         (vect_analyze_loop): Likewise.
2315         (vect_mark_stmts_to_be_vectorized): Add call to print_generic_expr.
2316
2317 2005-02-07  Richard Sandiford  <rsandifo@redhat.com>
2318
2319         PR bootstrap/19796
2320         Revert:
2321         2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
2322         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
2323         either -ffast-math or -funsafe-math-optimizations is in use.
2324
2325         2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
2326         * config/mips/irix-csr.c: New file.
2327         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
2328         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
2329         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
2330         executables.
2331
2332 2005-02-07  Alexandre Oliva  <aoliva@redhat.com>
2333
2334         * config/mn10300/linux.h (LIB_SPEC, STARTFILE_SPEC): Remove
2335         redundant, incorrect definitions.
2336
2337         * config/frv/frv.md ("tls_indirect_call"): Turn into libcall-like
2338         expand.
2339         ("*tls_indirect_call"): New, reference hard regs directly.
2340         * config/frv/frv.c (gen_inlined_tls_plt): Adjust.
2341
2342 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
2343
2344         * config/arm/rtems-elf.h (SUBTARGET_EXTRA_ASM_SPEC):
2345         Let !-mhard-float !-msoft-float imply -mfpu=softfpa.
2346
2347 2005-02-06  Roger Sayle  <roger@eyesopen.com>
2348
2349         PR rtl-optimization/19800
2350         * simplify_rtx.c (simplify_relational_operation_1): Explicitly
2351         call gen_lowpart_common and gen_lowpart_SUBREG instead of calling
2352         gen_lowpart.
2353
2354 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
2355
2356         * config/m68k/t-rtems (MULTILIB_MATCHES): Let m528x match m5200.
2357
2358 2005-02-07  Joseph S. Myers  <joseph@codesourcery.com>
2359
2360         PR other/17135
2361         * doc/invoke.texi: Correct documentation of -freorder-functions.
2362
2363 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
2364
2365         PR other/14402
2366         * doc/invoke.texi: Don't mention gccbug.
2367
2368 2005-02-06  Roger Sayle  <roger@eyesopen.com>
2369             Andrew Pinski  <pinskia@physics.uc.edu>
2370             Paolo Bonzini  <paolo.bonzini@lu.unisi.ch>
2371
2372         * simplify-rtx.c (simplify_relational_operation_1): Simplify
2373         (ne:SI (zero_extract:SI FOO (const_int 1) BAR) (const_int 0))
2374         into just (zero_extract:SI FOO (const_int 1) BAR).
2375
2376 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
2377
2378         * doc/cpp.texi: Include gcc-common.texi.  Don't define gcctabopt
2379         macro locally.  Don't give last revision date.  Use GCC version
2380         number from gcc-common.texi.
2381         * doc/cppinternals.texi: Include gcc-common.texi.  Don't give last
2382         revision date.  Use GCC version number from gcc-common.texi.
2383         Describe being a library as current state rather than as 3.x
2384         history.
2385         * doc/gcc.texi: Remove last update date.
2386         * doc/gccint.texi: Likewise.  Update copyright dates.
2387         * doc/install.texi: Update copyright dates.
2388
2389 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
2390
2391         PR other/7549
2392         * doc/invoke.texi: Mention for each option included in -Wall that
2393         it is included in -Wall.
2394         * doc/gcc.texi: Update copyright and last modification date.
2395
2396 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
2397
2398         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Do not add
2399         unnecessary cast to original induction variable increments.
2400
2401 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
2402
2403         PR tree-optimization/18219
2404         * tree-ssa-loop-ivopts.c (get_computation_at): Produce computations
2405         in distributed form.
2406
2407 2005-02-06  Richard Sandiford  <rsandifo@redhat.com>
2408
2409         * expmed.c (store_bit_field): Make the SUBREG code adjust bitnum.
2410         Set bitpos and offset later in the function.  Do nothing if the
2411         target is a register and if the bitfield lies completely outside
2412         that register.
2413         (extract_bit_field): Make the same SUBREG, bitpos and offset changes
2414         here.  Return an uninitialised register if the source value is stored
2415         in a register and the bitfield lies completely outside that register.
2416
2417 2005-02-06  Steven Bosscher  <stevenb@suse.de>
2418
2419         * df.c (df_insn_refs_record): Use XEXP to get the operand of a USE,
2420         not SET_DEST.
2421
2422 2005-02-06  Marcin Dalecki  <martin@dalecki.de>
2423
2424         * diagnostic.c (default_diagnostic_finalizer): Fix use of attribute.
2425
2426 2005-02-06  Geoffrey Keating  <geoffk@apple.com>
2427
2428         * config.gcc (*-*-darwin*): Separate darwin7 and darwin8 configs.
2429         * config/darwin8.h: New.
2430         * config/darwin7.h: Update comment.
2431
2432 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
2433             Dorit Naishlos  <dorit@il.ibm.com>
2434
2435         * tree-vectorizer.h (LOC): New type.
2436         (UNKNOWN_LOC, EXPR_LOC, LOC_FILE, LOC_LINE): New macros.
2437         (loop_line_number): New field in struct _loop_vec_info.
2438         (LOOP_VINFO_LOC, LOOP_LOC): New macros.
2439
2440         * tree-vectorizer.c (input.h): Included.
2441         (find_loop_location): New function.
2442         (vect_debug_stats): Argument changed from loop to LOC. Computation of
2443         loop line number removed.
2444         (vect_debug_details): Likewise.
2445         (new_loop_vec_info): Initialize new field LOOP_VINFO_LOC.
2446
2447         (slpeel_make_loop_iterate_ntimes): Call find_loop_location. Argument in
2448         call to vect_debug_details/stats changed from loop to loop_loc.
2449         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
2450         (slpeel_tree_peel_loop_to_edge): Likewise.
2451
2452         (vect_analyze_offset_expr): Argument in call to vect_debug_details/stats
2453         changed from NULL to UNKNOWN_LOC.
2454         (vect_get_base_and_offset):
2455         (vect_create_addr_base_for_vector_ref):
2456         (get_vectype_for_scalar_type):
2457         (vect_create_data_ref_ptr):
2458         (vect_init_vector):
2459         (vect_get_vec_def_for_operand):
2460         (vect_finish_stmt_generation):
2461         (vectorizable_assignment):
2462         (vectorizable_operation):
2463         (vectorizable_store):
2464         (vectorizable_load):
2465         (vect_transform_stmt):
2466         (vect_update_ivs_after_vectorizer):
2467         (vect_do_peeling_for_loop_bound):
2468         (vect_do_peeling_for_alignment):
2469         (vect_transform_loop):
2470         (vect_is_simple_use):
2471         (vect_analyze_operations):
2472         (vect_is_simple_iv_evolution):
2473         (vect_analyze_scalar_cycles):
2474         (vect_analyze_data_ref_dependences):
2475         (vect_compute_data_ref_alignment):
2476         (vect_enhance_data_refs_alignment):
2477         (vect_analyze_data_ref_access):
2478         (vect_analyze_data_ref_accesses):
2479         (vect_analyze_pointer_ref_access):
2480         (vect_get_memtag_and_dr):
2481         (vect_analyze_data_refs):
2482         (vect_mark_relevant):
2483         (vect_stmt_relevant_p):
2484         (vect_mark_stmts_to_be_vectorized):
2485         (vect_can_advance_ivs_p):
2486         (vect_get_loop_niters):
2487         (vect_analyze_loop):
2488         (vectorize_loops): Likewise.
2489
2490         (vectorizable_load): Argument in call to vect_debug_details/stats
2491         changed from loop to LOOP_LOC (loop_vinfo).
2492         (vect_transform_loop):
2493         (vect_analyze_operations):
2494         (vect_analyze_scalar_cycles):
2495         (vect_analyze_data_ref_dependence):
2496         (vect_enhance_data_refs_alignment):
2497         (vect_analyze_data_ref_accesses):
2498         (vect_analyze_pointer_ref_access):
2499         (vect_analyze_data_refs):
2500         (vect_analyze_loop): Likewise.
2501
2502         (vect_analyze_loop_form): Argument in call to vect_debug_details/stats
2503         changed from loop to loop_loc.
2504
2505         (vect_enhance_data_refs_alignment): Removed unused variable loop.
2506
2507 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
2508             Dorit Naishlos  <dorit@il.ibm.com>
2509
2510         * tree-vectorizer.c (vect_analyze_data_ref_dependence): Function
2511         declaration added.
2512         (vect_analyze_data_ref_dependences): Likewise.
2513
2514         (vect_is_simple_use): Argument changed from loop structure to
2515         loop_vect_info structure.
2516         (vect_can_advance_ivs_p): Likewise.
2517         (vect_create_index_for_vector_ref): Likewise.
2518         (vect_update_ivs_after_vectorizer): Likewise.
2519         (new_stmt_vec_info): Likewise.
2520
2521         (new_loop_vec_info): Second argument in call to new_stmt_vec_info was
2522         changed from loop to loop_vinfo.
2523         (vect_create_data_ref_ptr): First argument in call to
2524         vect_create_index_for_vector_ref was changed from loop to loop_vinfo.
2525         (vectorizable_assignment): Second argument in call to vect_is_simple_use
2526         was changed from loop to loop_vinfo.
2527         (vectorizable_operation): Likewise.
2528         (vectorizable_store): Likewise.
2529         (vect_mark_stmts_to_be_vectorized): Likewise.
2530         (vect_do_peeling_for_loop_bound): First argument in call to
2531         vect_update_ivs_after_vectorizer was changed from loop to loop_vinfo.
2532         (vect_analyze_operations): Argument in call to vect_can_advance_ivs_p
2533         was changed from loop to loop_vinfo.
2534         (vect_analyze_data_ref_dependences): Third argument in call to
2535         vect_analyze_data_ref_dependence was changed from loop to loop_vinfo.
2536
2537         (vect_create_index_for_vector_ref): Get the loop from loop_vinfo.
2538         (vect_create_data_ref_ptr): Likewise.
2539         (vect_init_vector): Likewise.
2540         (vect_get_vec_def_for_operand): Likewise.
2541         (vectorizable_assignment): Likewise.
2542         (vectorizable_operation): Likewise.
2543         (vectorizable_store): Likewise.
2544         (vectorizable_load): Likewise.
2545         (vect_update_ivs_after_vectorizer): Likewise.
2546         (vect_is_simple_use): Likewise.
2547         (vect_analyze_data_ref_dependence): Likewise.
2548         (vect_analyze_pointer_ref_access): Likewise.
2549         (vect_can_advance_ivs_p): Likewise.
2550
2551         * tree-vectorizer.h: (_loop_vec_info): Definition and macros moved
2552         before _stmt_vec_info.
2553         (_stmt_vec_info): Loop field replaced by loop_vec_info.
2554         (STMT_VINFO_LOOP): Replaced with STMT_VINFO_LOOP_VINFO.
2555         (new_stmt_vec_info): Argument changed from loop structure to
2556         loop_vect_info structure
2557
2558         (vect_analyze_data_ref_dependences): Unnecessary line was removed.
2559         (vect_analyze_offset_expr): Avoid 80 columns overflow.
2560         (vect_create_addr_base_for_vector_ref): Likewise.
2561         (vect_analyze_pointer_ref_access): Likewise.
2562
2563 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
2564
2565         PR tree-opt/19768
2566         * tree-ssa-dse.c (fix_phi_uses): Update the occurs in abnormal
2567         phi flag if the phi is abnormal.
2568
2569 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
2570
2571         PR tree-opt/19736
2572         * tree-ssa.c (replace_immediate_uses): Update the immediate_uses
2573         information for the new statement.
2574
2575 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
2576
2577         PR driver/19117
2578         * gcc.c (main): Include the target in -v output.
2579
2580 2005-02-03  Alexandre Oliva  <aoliva@redhat.com>
2581
2582         * combine.c (simplify_comparison, case SIGN_EXTEND, ZERO_EXTEND):
2583         Do not drop the extend if we'd have to add a paradoxical subreg
2584         later.  Include optabs.h and insn-codes.h.
2585         * Makefile.in (combine.o): Depend on $(OPTABS_H).
2586
2587 2005-02-02  Roger Sayle  <roger@eyesopen.com>
2588
2589         PR middle-end/19405
2590         * real.h (REAL_MODE_FORMAT_COMPOSITE_P): New macro.
2591         * fold-const.c (const_binop): Avoid constant folding floating
2592         point operations in modes that use composite representations.
2593         * simplify-rtx.c (simplify_binary_operation): Likewise.
2594
2595 2005-02-02  Geoffrey Keating  <geoffk@apple.com>
2596
2597         * config/rs6000/altivec.md (altivec_dst): Make the first operand
2598         a REG, not a MEM.
2599         (altivec_dstt): Likewise.
2600         (altivec_dstst): Likewise.
2601         (altivec_dststt): Likewise.
2602         * config/rs6000/rs6000.c (altivec_expand_dst_builtin): Adjust creation
2603         of first operand.
2604
2605 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
2606
2607         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Copy
2608         EXPR_LOCUS from orig_cond to the new cond_stmt.
2609         (vect_finish_stmt_generation): Copy EXPR_LOCUS from stmt to
2610         the new vec_stmt.
2611
2612 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
2613
2614         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Call
2615         standard_iv_increment_position. Remove call to bsi_next
2616         (no need to bump the iterator anymore).
2617         (vect_create_index_for_vector_ref): Call
2618         standard_iv_increment_position. Remove second function argument.
2619         (vect_finish_stmt_generation): Remove call to bsi_next
2620         (no need to bump the iterator anymore).
2621         (vect_create_data_ref_ptr): Remove second argument (bsi) in call
2622         to vect_create_index_for_vector_ref.
2623
2624 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
2625
2626         * tree-vectorizer.c (vect_mark_stmts_to_be_vectorized): Check if
2627         phis are used out of the loop.
2628
2629 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
2630
2631         PR c/17807
2632         * c-decl.c (undef_nested_function): New variable.
2633         (pop_scope): Diagnose undefined nested functions.
2634         (finish_function): Don't attempt cgraph processing or genericizing
2635         if current top-level function contained an undefined nested
2636         function.  Reset undef_nested_function at the end of a top-level
2637         function.
2638
2639 2005-02-02  Zdenek Dvorak  <dvorakz@suse.cz>
2640
2641         * tree.c (build_int_cst_type): Take sign of the value into account
2642         when deciding whether sign extend the value.
2643
2644 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
2645
2646         PR c/18502
2647         * gcc.c (cpp_unique_options): Remove %{trigraphs}.
2648         (cpp_options, cc1_options): Change %{std*&ansi} to
2649         %{std*&ansi&trigraphs}.
2650
2651 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
2652
2653         * cse.c: Update comments.
2654
2655 2005-02-02  Aldy Hernandez  <aldyh@redhat.com>
2656
2657         * config/rs6000/rs6000.c (rs6000_spe_function_arg): Multi-reg
2658         arguments go on the stack.  Do not put complex doubles in odd/even
2659         pairs.
2660
2661 2005-02-02  Steven Bosscher  <stevenb@suse.de>
2662
2663         * doc/invoke.texi: Update the options enabled at -O1, -O2,
2664         and -O3.  Update the documentation for -fgcse-sm, -fgcse-las,
2665         -ftree-pre, and -fthread-jumps.
2666
2667 2005-02-02  Richard Sandiford  <rsandifo@redhat.com>
2668
2669         PR tree-optimization/19578
2670         * tree-flow.h (modified_noreturn_calls): Declare.
2671         (noreturn_call_p): Declare.
2672         * tree-flow-inline.h (noreturn_call_p): New function.
2673         (modify_stmt): Add modified noreturn calls to modified_noreturn_calls.
2674         * tree-cfg.c (modified_noreturn_calls): New variable.
2675         (cleanup_control_flow): Use noreturn_call_p.  Split basic blocks
2676         that contain a mid-block noreturn call.
2677         * tree-ssa.c (delete_tree_ssa): Clear modified_noreturn_calls.
2678
2679 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
2680
2681         * df.c (df_def_record_1, df_uses_record): Don't use
2682         DF_FOR_REGALLOC.
2683         * df.h (DF_FOR_REGALLOC): Remove.
2684
2685 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
2686
2687         PR c/19435
2688         * c-typeck.c (really_start_incremental_init): Reset
2689         constructor_max_index for arrays of incomplete type.
2690
2691 2005-02-02  Jeff Law  <law@redhat.com>
2692
2693         * gcse.c (struct reg_set): Store the block index where the register
2694         was set rather than the setting insn.
2695         (record_one_set, compute_transp): Corresponding changes.
2696         (pre_insert_copy_insn): Do not call replace_one_set.
2697         (replace_one_set): Remove.
2698
2699 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
2700
2701         PR other/15514
2702         * doc/gcov.texi: Fix typo.
2703
2704 2005-02-01  Richard Henderson  <rth@redhat.com
2705
2706         PR target/19680
2707         * config/i386/i386.h (MODES_TIEABLE_P): Use ix86_modes_tieable_p.
2708         * config/i386/i386.c (ix86_hard_regno_mode_ok): Change return
2709         type to bool.
2710         (ix86_tieable_integer_mode_p, ix86_modes_tieable_p): New.
2711         * config/i386/i386-protos.h: Update.
2712
2713 2005-02-01  Steven Bosscher  <stevenb@suse.de>
2714
2715         PR tree-optimization/19217
2716         * tree-cfg.c (verify_expr): Use the data field to see if TP was
2717         seen inside a PHI node.  Do not do the ADDR_EXPR check if it was.
2718         (verify_stmts): Pass (void*)1 as data to verify_expr to signal
2719         that it is walking a PHI node.
2720
2721 2005-02-01  Joseph S. Myers  <joseph@codesourcery.com>
2722
2723         * doc/extend.texi (Nested Functions): Update.
2724
2725 2005-02-01  Richard Henderson  <rth@redhat.com>
2726
2727         PR 19696
2728         * optabs.c (expand_copysign_absneg): Export.
2729         * optabs.h (expand_copysign_absneg): Declare.
2730         * config/rs6000/rs6000.md (copysigntf3): New.
2731
2732 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
2733
2734         PR tree-optimization/19633
2735         * tree-flow.h (struct ptr_info_def): Add field 'pt_null'.
2736         * tree-ssa-alias.c (init_alias_info): Initialize.
2737         (merge_pointed_to_info): Set.
2738         (add_pointed_to_expr): Set pt_null if EXPR is a NULL pointer.
2739         (dump_points_to_info_for): Show value of pt_null.
2740         (struct count_ptr_d): Declare.
2741         (find_ptr_dereference): Remove.
2742         (ptr_is_dereferenced_by): Remove.
2743         (count_ptr_derefs): New local function.
2744         (count_uses_and_derefs): New local function.
2745         (compute_points_to_and_addr_escape): Call it.  If the number
2746         of dereferences is greater than zero, mark the pointer as
2747         dereferenced.  If there are fewer dereferences than uses of
2748         the pointer, the pointer's value escapes.
2749
2750 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
2751
2752         PR tree-optimization/19670
2753         * tree-ssa.c (verify_ssa_name): Don't set TREE_VISITED
2754         here...
2755         (verify_use): ... set it here, instead.
2756
2757 2005-02-01  Janis Johnson  <janis187@us.ibm.com>
2758
2759         * doc/sourcebuild.texi (Test directives): Fix formatting.
2760
2761         * doc/sourcebuild.texi (Test directives): Describe selector
2762         expressions.
2763
2764 2005-02-01  Segher Boessenkool  <segher@kernel.crashing.org>
2765
2766         * config.gcc (powerpc64-*-linux*): Default to -m64 also for
2767         specific 64-bit CPUs.
2768
2769 2005-02-01  Richard Earnshaw  <rearnsha@arm.com>
2770
2771         PR target/16201
2772         * arm.c (arm_eliminable_register): New function.
2773         (adjacent_mem_locations): Don't allow eliminable registers.  Use
2774         HOST_WIDE_INT for address offsets.
2775         * arm-protos.h (arm_eliminable_register): Add prototype.
2776
2777 2005-02-01  Steven Bosscher  <stevenb@suse.de>
2778
2779         PR optimization/15242
2780         * params.def (PARAM_MAX_GOTO_DUPLICATION_INSNS): New param.
2781         * basic-block.h (duplicate_computed_gotos): Add prototype.
2782         * bb-reorder.c (duplicate_computed_gotos): New function to
2783         duplicate sufficiently small blocks ending in a computed jump.
2784         * passes.c (rest_of_compilation): Call duplicate_computed_gotos
2785         if not optimizing for size.
2786         * cfgcleanup.c (try_crossjump_bb): If not optimizing for size,
2787         never do tail merging for blocks ending in a computed jump.
2788         * doc/invoke.texi: Document the max-goto-duplication-insns param.
2789
2790 2005-02-01  Eric Botcazou  <ebotcazou@libertysurf.fr>
2791
2792         Patch from Richard Sandiford <rsandifo@redhat.com>
2793         * reload1.c (choose_reload_regs): Prevent the find_equiv_reg() code
2794         from inheriting a subreg equivalence with a non-spill register.
2795
2796         * tree.h (DECL_FUNCTION_CODE): Document that it is overloaded.
2797
2798 2005-02-01  Alexandre Oliva  <aoliva@redhat.com>
2799
2800         * config/frv/frv.c (movcc_fp_destination_operand): New.
2801         (gpr_or_memory_operand): Fix typo in comment.
2802         (gpr_or_memory_operand_with_scratch): New.
2803         * config/frv/frv.h (PREDICATE_CODES): Add the two new predicates.
2804         * config/frv/frv.md (movcc_fp, movcc_fp_internal): Use
2805         movcc_fp_destination_operand.
2806         (reload_incc_fp): Use gpr_or_memory_operand_with_scratch.
2807         Legitimize memory addresses using a scratch register.
2808
2809 2005-01-31  Jeff Law  <law@redhat.com>
2810
2811         * tree-into-ssa.c (mark_def_sites_global_data): Make KILLS
2812         bitmap a sparse bitmap instead of a simple bitmap.
2813         (mark_def_sites_initialize_block):  Corresponding changes.
2814         (ssa_mark_def_sites_initialize_block): Likewise.
2815         (ssa_mark_phi_uses): Likewise.
2816         (mark_def_site, ssa_mark_def_sites): Likewise.
2817         (mark_def_site_blocks): Likewise.
2818         (rewrite_ssa_into_ssa): Likewise.
2819
2820         * tree-ssa-dom.c (record_cond): Pass correct variable type
2821         for last argument to htab_find_slot_with_hash.
2822
2823         * fold-const.c (fold, case CEIL_MOD_EXPR): Do not lose side
2824         effects when optimizing 0 % X.  Do not try to optimize X % 0.
2825
2826 2005-01-31  James E. Wilson  <wilson@specifixinc.com>
2827
2828         * config/ia64/itanium1.md (1_scall bypass): Change 2_mmalua to
2829         1_mmalua.
2830
2831 2005-02-01  Eric Christopher  <echristo@redhat.com>
2832
2833         * config/mips/mips.c (override_options): Warn if -mint64
2834         is used.
2835         * doc/invoke.texi (MIPS Options): Document that -mint64 is
2836         deprecated.
2837
2838 2005-02-01  Kazu Hirata  <kazu@cs.umass.edu>
2839
2840         * cse.c (cse_reg_info): Remove hash_next, next, regno.  Add
2841         timestamp.
2842         (cse_reg_info_list, cse_reg_info_list_free, REGHASH_SHIFT,
2843         REGHASH_SIZE, REGHASH_MASK, reg_hash, REGHASH_FN,
2844         cached_cse_reg_info, GET_CSE_REG_INFO): Remove.
2845         (cached_regno): Initialize to INVALID_REGNUM.
2846         (cse_reg_info_table_size,
2847         cse_reg_info_table_first_uninitialized,
2848         cse_reg_info_timestamp): New.
2849         (REG_TICK, REG_IN_TABLE, SUBREG_TICKED, REG_QTY): Use
2850         get_cse_reg_info.
2851         (init_cse_reg_info, get_cse_reg_info_1): New.
2852         (get_cse_reg_info): Cache the last look-up.
2853         (new_basic_block): Update the code to clear mappings from
2854         registers to cse_reg_info entries.
2855         (cse_main): Call init_cse_reg_info.
2856
2857         * cse.c (get_cse_reg_info): Update a comment.
2858
2859 2005-01-31  Steven Bosscher  <stevenb@suse.de>
2860
2861         PR c/19333
2862         * c-decl.c (start_decl): Do not warn about arrays of elements with
2863         an incomplete type here.
2864         (grokdeclarator): Do it here by making a pedwarn an error.
2865         * c-typeck.c (push_init_level): If there were previous errors with
2866         the constructor type, do not warn about braces for initializers.
2867         (process_init_element): Likewise for excess initializer elements.
2868
2869 2005-01-31  Kazu Hirata  <kazu@cs.umass.edu>
2870
2871         * cse.c (delete_trivially_dead_insn): Don't iterate.
2872
2873 2005-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
2874
2875         * config/rs6000/rs6000.md (copysignsf3): New expand.
2876         (copysigndf3): Likewise.
2877
2878 2005-01-31  Steven Bosscher  <stevenb@suse.de>
2879
2880         * recog.c (constrain_operands): Only look for earlyclobber operand
2881         conflicts if an '&' constraint was seen.
2882
2883 2005-01-31  Marc Espie <espie@openbsd.org>
2884
2885         * config.gcc: Don't include embedded systems fragment, switches default
2886         debugging format to ELF.
2887         * config/i386/openbsdelf.h: Add DBX_REGISTER_NUMBER since we no
2888         longer pick it up there.
2889
2890 2005-01-31  Dale Johannesen  <dalej@apple.com>
2891
2892         * doc/extend.texi (nested functions): Fix linkage description.
2893         Clarify that static is not allowed.
2894
2895 2005-01-31  Dale Johannesen  <dalej@apple.com>
2896
2897         * config/rs6000/darwin.md (movsf_low_di):  Make work.
2898         (movdf_low_di):  Make work.
2899
2900 2005-01-31  Dale Johannesen  <dalej@apple.com>
2901
2902         * config/rs6000/darwin-tramp.asm (__trampoline_setup):
2903         Make work for 64 bit.
2904
2905 2005-01-31  Roger Sayle  <roger@eyesopen.com>
2906             Dale Johannesen  <dalej@apple.com>
2907
2908         PR middle-end/19650
2909         * fold-const.c (fold_binary_op_with_conditional_arg):
2910         Make types match original operands, before STRIP_NOPS.
2911
2912 2005-01-31  Alan Modra  <amodra@bigpond.net.au>
2913
2914         * config/rs6000/linux-unwind.h (struct gcc_vregs): New.
2915         (struct gcc_regs): Rename from gcc_pt_regs.  Add more regs.
2916         (struct gcc_sigcontext): Delete.  Merge contents to..
2917         (struct gcc_ucontext): ..here.
2918         (get_sigcontext): Delete.
2919         (get_regs): New function, like get_sigcontext but return regs ptr.
2920         64-bit version finds regs from r1 to support vdso.
2921         (ppc_linux_aux_vector): New function.
2922         (ppc_fallback_frame_state): Modify for get_regs.  Restore fprs
2923         and vector regs.
2924
2925 2005-01-31  Ira Rosen  <irar@il.ibm.com>
2926
2927         * tree-vectorizer.c (vect_analyze_offset_expr): Use ssizetype instead
2928         sizetype.
2929         (vect_get_base_and_offset): Use ssizetype instead sizetype. Remove
2930         redundant fold. Fix misalignment for MINUS_EXPR.
2931         (vect_compute_data_ref_alignment): Use ssizetype instead sizetype.
2932         (vect_analyze_pointer_ref_access): Likewise.
2933         (vect_get_memtag_and_dr): Likewise.
2934
2935 2005-01-31  Richard Henderson  <rth@redhat.com>
2936
2937         * config/i386/i386.c (absnegsf2_mixed): Remove all of the # hackery.
2938         (absnegsf2_sse, absnegsf2_i387, absnegdf2_mixed, absnegdf2_sse,
2939         absnegdf2_i387, absnegxf2_i387): Likewise.
2940
2941 2005-01-31  Richard Henderson  <rth@redhat.com>
2942
2943         PR 19696
2944         * optabs.c (expand_copysign_absneg): New.
2945         (expand_copysign_bit): Split out from ...
2946         (expand_copysign): ... here.  Use expand_copysign_absneg.
2947
2948 2005-01-30  Roger Sayle  <roger@eyesopen.com>
2949
2950         PR middle-end/19697
2951         * config/pa/pa.md (anddi3, iordi3): On HPPA64, disallow an integer
2952         constant as the second operand and a register as the third.
2953
2954 2005-01-31  Danny Smith  <dannysmith@users.sourceforge.net>
2955
2956         PR target/19704
2957         * config/i386/i386.c (ix86_function_ok_for_sibcall):  Also check
2958         that dllimport'd functions do not use all call-clobbered registers
2959         to pass parameters.
2960
2961 2005-01-30  Richard Henderson  <rth@redhat.com>
2962
2963         PR 19696
2964         * optabs.c (expand_absneg_bit): Split out from expand_unop and
2965         expand_abs_nojump and generalize.  Use operand_subword and
2966         emit_no_conflict_block.  Support large modes.
2967         (expand_abs_nojump): Use it.  Use HONOR_SIGNED_ZEROS to fall
2968         back to maximum.
2969         (expand_unop): Likewise.  Use HONOR_SIGNED_ZEROS to fall back
2970         negation to subtraction.
2971         (expand_copysign): Check that the format has signed zeros.
2972         Use operand_subword and emit_no_conflict_block.  Support large modes.
2973
2974 2005-01-30  Daniel Berlin  <dberlin@dberlin.org>
2975
2976         Fix PR tree-optimization/19624
2977
2978         * Makefile.in (tree-ssa-pre.o): Add CFGLOOP_H.
2979         * tree-ssa-pre.c: Add cfgloop.h.
2980         Update comment.
2981         (pre_stats): New member, constified.
2982         (inserted_exprs): New static variable.
2983         (NECESSARY): New macro.
2984         (create_expression_by_pieces): Fold the expression, and
2985         mark it as defaulting to not necessary. Also put in
2986         inserted_exprs.
2987         (fully_constant_expression): New function.
2988         (insert_into_preds_of_block): Modify to not insert phis when we
2989         are playing with induction variables.
2990         Push phis onto the inserted_exprs vector, and mark them as not
2991         necessary by default.
2992         (insert_aux): Call fully_constant_expression on eprime.
2993         If all edges produce the same value, mark it constant.
2994         (mark_operand_necessary): New function.
2995         (remove_dead_inserted_code): New function.
2996         (init_pre): Init loop optimizer to get loop info.
2997         (fini_pre): Free loop_optimizer, and inserted_exprs vec.
2998         (execute_pre): Commit edge inserts, then remove dead code.
2999
3000 2005-01-30  Richard Henderson  <rth@redhat.com>
3001
3002         * rtl.c (rtx_equal_p): No early exit for CONST_VECTOR.
3003         * varasm.c (const_rtx_hash_1): Handle CONST_VECTOR.
3004
3005 2005-01-30  Richard Henderson  <rth@redhat.com>
3006
3007         PR target/19700
3008         * config/i386/i386.c (ix86_expand_copysign): New.
3009         (ix86_split_copysign_const): New.
3010         (ix86_split_copysign_var): Rename from ix86_split_copysign,
3011         rearrange op1/nmask operands.
3012         * config/i386/i386-protos.h: Update.
3013         * config/i386/i386.md (copysignsf3): Use ix86_expand_copysign.
3014         (copysigndf3): Likewise.
3015         (copysignsf3_const, copysigndf3_const): New.
3016         (copysignsf3_var): Rename from copysignsf3, split out splitter
3017         and fix split predicate for X constraint.
3018         (copysigndf3_var): Similarly.
3019
3020 2005-01-30  Kazu Hirata  <kazu@cs.umass.edu>
3021
3022         * optabs.c, doc/c-tree.texi, doc/install.texi, doc/md.texi,
3023         doc/passes.texi, doc/rtl.texi, doc/sourcebuild.texi,
3024         doc/tm.texi, doc/tree-ssa.texi: Update copyright.
3025
3026 2005-01-29  Richard Henderson  <rth@redhat.com>
3027
3028         PR target/19690
3029         * config/i386/i386.md (movdf_nointeger, movdf_integer): Fix ordering
3030         of # and * in constraints.
3031
3032 2005-01-29  Richard Henderson  <rth@redhat.com>
3033
3034         PR middle-end/19689
3035         * expr.c (store_field): Don't strip sub-mode cast when the input
3036         data is even smaller.
3037
3038 2005-01-29  Richard Henderson  <rth@redhat.com>
3039
3040         PR middle-end/19687
3041         * expr.c (categorize_ctor_elements_1): Check for CONSTRUCTOR of a
3042         union being empty.
3043
3044 2005-01-29  Richard Henderson  <rth@redhat.com>
3045
3046         * combine.c (make_field_assignment): Fix argument order
3047         to gen_int_mode.
3048
3049 2005-01-29  Richard Guenther <richard.guenther@uni-tuebingen.de>
3050
3051         PR tree-optimization/15791
3052         * fold-const.c (extract_array_ref): New function.
3053         (fold): Fold comparisons between &a[i] and &a[j] or
3054         semantically equivalent trees.
3055
3056 2005-01-29  Jeff Law  <law@redhat.com>
3057
3058         * gcse.c (insert_expr_in_table): Revamp handling of available
3059         and anticipatable occurrence lists to avoid unnecessary list
3060         walking.
3061         (insert_set_in_table): Similarly.
3062
3063 2005-01-29  Joseph S. Myers  <joseph@codesourcery.com>
3064
3065         * c-common.c (fix_string_type): Just use c_build_qualified_type to
3066         build string type.
3067         (c_build_qualified_type): Build qualified array types with
3068         TYPE_MAIN_VARIANT pointing to corresponding unqualified type.
3069         * c-decl.c (c_make_fname_decl): Build unqualified array type
3070         before qualified type.
3071         (grokdeclarator): Use TYPE_MAIN_VARIANT of typedef type if element
3072         type is qualified, not just if type itself is.  Don't apply
3073         qualifiers to array type when declarator is processed.  Apply
3074         qualifiers to field type whether or not it is an array type.
3075         Don't handle array types specially for applying qualifiers to
3076         variables.
3077         * c-typeck.c (composite_type): Build unqualified element type and
3078         array type when forming composite of array types.
3079         (common_pointer_type, comptypes, comp_target_types,
3080         type_lists_compatible_p, build_indirect_ref, build_array_ref,
3081         convert_for_assignment): Don't apply TYPE_MAIN_VARIANT to array
3082         types.
3083         (type_lists_compatible_p): Cache TREE_VALUE (args1) and TREE_VALUE
3084         (args2) in variables a1 and a2.
3085
3086 2005-01-29  Kazu Hirata  <kazu@cs.umass.edu>
3087
3088         * cse.c (n_elements_made, max_elements_made): Remove.
3089         (insert): Don't touch n_elements_made.
3090         (cse_main): Don't touch n_elements_made or max_elements_made.
3091
3092 2005-01-28  Stephane Carrez  <stcarrez@nerim.fr>
3093
3094         PR target/15384
3095         * config/m68hc11/t-m68hc11-gas (dp-bit.c): Fix typo causing a
3096         configuration part of dp-bit.c to be lost.
3097
3098 2005-01-28  Roger Sayle  <roger@eyesopen.com>
3099
3100         * expmed.c (expand_mult_highpart_optab): When attempting to use
3101         a non-widening multiplication in a wider mode, the operands need
3102         to be converted (zero or sign extended) to that mode.
3103
3104 2005-01-28  Ian Lance Taylor  <ian@airs.com>
3105
3106         PR middle-end/16558
3107         PR middle-end/19583
3108         * gimple-low.c (block_may_fallthru): TRY_FINALLY_EXPR only falls
3109         through if both operands fall through.
3110
3111 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
3112
3113         * cse.c (fold_rtx) <PC>: Don't optimize.
3114
3115 2005-01-28  Jeff Law  <law@redhat.com>
3116
3117         * fold-const.c (fold, case CEIL_MOD_EXPR): Optimize 0 % X.
3118         (case FLOOR_MOD_EXPR, ROUND_MOD_EXPR, TRUNC_MOD_EXPR): Similarly.
3119
3120 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
3121
3122         * cse.c (cse_reg_info_free_list, cse_reg_info_used_list,
3123         cse_reg_info_used_list_end): Remove.
3124         (cse_reg_info_list, cse_reg_info_list_free): New.
3125         (get_cse_reg_info): When allocating an instance of
3126         cse_reg_info, add it to the beginning of the cse_reg_info_list
3127         list.  Remove code to maintain cse_reg_info_used_list.
3128         (new_basic_block): Reset the free list to the beginning of
3129         cse_reg_info_list.
3130
3131 2005-01-28  Richard Sandiford  <rsandifo@redhat.com>
3132
3133         * config/frv/frv.c (bdesc_2arg): Remove __MDPACKH.
3134         (frv_init_builtins): Change its prototype to take 4 uhalf arguments.
3135         (frv_expand_mdpackh_builtin): New function.
3136         (frv_expand_builtin): Use it to expand __MDPACKH.
3137         * doc/extend.texi (__MDPACKH): Update documentation.
3138
3139 2005-01-28  Uros Bizjak  <uros@kss-loka.si>
3140
3141         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use
3142         SSE_FLOAT_MODE_P for use_sse computation.
3143
3144 2005-01-28  Ralf Corsepius  <ralf.corsepius@rtems.org>
3145
3146         PR target/19663
3147         * config/sparc/rtemself.h (LINK_GCC_C_SEQUENCE_SPEC): undefine.
3148
3149 2005-01-27  Richard Henderson  <rth@redhat.com>
3150
3151         * builtins.c (expand_builtin_copysign): New.
3152         (expand_builtin): Call it.
3153         * genopinit.c (optabs): Add copysign_optab.
3154         * optabs.c (init_optabs): Initialize it.
3155         (expand_copysign): New.
3156         * optabs.h (OTI_copysign, copysign_optab): New.
3157         (expand_copysign): Declare.
3158
3159         * config/alpha/alpha.md (UNSPEC_COPYSIGN): New.
3160         (copysignsf3, ncopysignsf3, copysigndf3, ncopysigndf3): New.
3161
3162         * config/i386/i386.c (ix86_build_signbit_mask): Split from ...
3163         (ix86_expand_fp_absneg_operator): ... here.
3164         (ix86_split_copysign): New.
3165         * config/i386/i386-protos.h: Update.
3166         * config/i386/i386.md (UNSPEC_COPYSIGN): New.
3167         (copysignsf3, copysigndf3): New.
3168
3169         * config/ia64/ia64.md (UNSPEC_COPYSIGN): New.
3170         (copysignsf3, ncopysignsf3): New.
3171         (copysigndf3, ncopysigndf3): New.
3172         (copysignxf3, ncopysignxf3): New.
3173         * config/ia64/ia64.c (rtx_needs_barrier): Handle UNSPEC_COPYSIGN.
3174
3175 2005-01-27  Arend Bayer  <arend.bayer@web.de>
3176             Kazu Hirata  <kazu@cs.umass.edu>
3177
3178         * cse.c: (find_best_addr): Don't call copy_rtx before calling
3179         fold_rtx.  Save cost recomputation if fold_rtx did nothing.
3180         (fold_rtx) <ASM_OPERANDS>: Don't do anything if INSN is
3181         NULL_RTX.
3182
3183 2005-01-27  Jeff Law  <law@redhat.com>
3184
3185         * tree-into-ssa.c (ssa_rewrite_initialize_block): Do not register
3186         definitions of SSA_NAMEs which are not being rewritten.
3187         (rewrite_ssa_into_ssa): Only initialize the current definition
3188         of an SSA_NAME if that SSA_NAME has been marked for rewriting.
3189         If checking is enabled, assert that SSA_NAME_AUX is clear for all
3190         SSA_NAMEs before returning.
3191
3192 2005-01-27  Kazu Hirata  <kazu@cs.umass.edu>
3193
3194         * c-common.def, c-dump.c, c-gimplify.c, c-objc-common.c,
3195         cfgexpand.c, dbxout.c, function.h, opts.c, tree-flow-inline.h,
3196         tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-tailcall.c,
3197         config/avr/avr.md, config/cris/aout.h, config/cris/cris.h,
3198         config/mips/iris6.h, config/sh/sh.c: Update copyright.
3199
3200 2005-01-27  Steven Bosscher  <stevenb@suse.de>
3201
3202         PR middle-end/17278
3203         * opts.c (decode_options): Move flag_thread_jumps from -O1 and
3204         higher to -O2 and higher.  Likewise for tree PRE.
3205         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Only iterate at -O2
3206         and better.
3207
3208 2005-01-27  Ian Lance Taylor  <ian@airs.com>
3209
3210         PR middle-end/19583
3211         * gimple-low.c (try_catch_may_fallthru): New static function.
3212         (block_may_fallthru): Handle TRY_CATCH_EXPR.
3213         * tree-inline.c (expand_call_inline): Don't warn about reaching
3214         the end of a non-void function being inlined if the function uses
3215         a return slot.
3216
3217 2005-01-27  Jakub Jelinek  <jakub@redhat.com>
3218
3219         * config/i386/i386.h (CALL_USED_REGISTERS): Fix comment pastos.
3220
3221         PR c/18946
3222         * c-decl.c (warn_if_shadowing): Handle old_decl error_mark_node.
3223         (pushdecl): Only use DECL_FILE_SCOPE_P if DECL_P.
3224         (implicitly_declare): Handle error_mark_node.
3225
3226 2005-01-27  Richard Henderson  <rth@redhat.com>
3227
3228         PR tree-opt/14329
3229         * tree.h (struct tree_decl): Add debug_expr_is_from.
3230         (DECL_DEBUG_EXPR_IS_FROM): New.
3231         (DECL_DEBUG_EXPR): Rename from DECL_DEBUG_ALIAS_OF.
3232         * dwarf2out.c (dwarf2out_var_location): Update to match.
3233         * tree-outof-ssa.c (create_temp): Likewise.
3234         * var-tracking.c (track_expr_p): Likewise.
3235         * tree-sra.c (instantiate_element): Set DECL_DEBUG_EXPR.
3236         * c-objc-common.c (c_tree_printer) <'D'>: Handle DECL_DEBUG_EXPR.
3237         * toplev.c (default_tree_printer): Likewise.
3238
3239 2005-01-27  Alexandre Oliva  <aoliva@redhat.com>
3240
3241         * config/frv/frv.c (frv_class_likely_spilled_p): Add GR8_REGS,
3242         GR9_REGS, GR89_REGS, FDPIC_FPTR_REGS, FDPIC_REGS.
3243
3244 2005-01-27  Steven Bosscher  <stevenb@suse.de>
3245
3246         * tree.h (SWITCH_COND, SWITCH_BODY, SWITCH_LABELS, CASE_LOW,
3247         CASE_HIGH, CASE_LABEL, ASM_STRING, ASM_OUTPUTS, ASM_INPUTS,
3248         ASM_CLOBBERS): Add tree checks.
3249
3250         * c-common.h (SWITCH_TYPE): Rename to SWITCH_STMT_TYPE.
3251         (SWITCH_STMT_COND, SWITCH_STMT_BODY): New.
3252         * c-common.def (SWITCH_STMT): Update to match.
3253         * c-common.c (c_do_switch_warnings): Use SWITCH_STMT accessor
3254         macros instead of SWITCH_EXPR ones.
3255         * c-dump.c (c_dump_tree): Likewise.
3256         * c-gimplify.c (gimplify_switch_stmt): Likewise.
3257         * c-typeck.c (c_start_case, do_case, c_finish_case): Likewise.
3258
3259         * doc/c-tree.texi (SWITCH_STMT): Update accessor macro names.
3260
3261 2005-01-27  Alan Modra  <amodra@bigpond.net.au>
3262
3263         * unwind-dw2.c (execute_stack_op): Add missing cases for
3264         DW_OP_shl, DW_OP_shr, DW_OP_shra, DW_OP_xor.
3265
3266 2005-01-27  Eric Botcazou  <ebotcazou@libertysurf.fr>
3267
3268         * config.gcc (Obsolete configurations): Remove 'dummy', add
3269         sparclite-*-coff*, sparclite-*-elf*, sparc86x-*-elf* and
3270         sparc-*-openbsd*.
3271
3272 2005-01-26  Diego Novillo  <dnovillo@redhat.com>
3273
3274         PR tree-optimization/19633
3275         * tree-ssa-alias.c (ptr_is_dereferenced_by): Also handle
3276         CALL_EXPRs.
3277         (maybe_create_global_var): Do not create .GLOBAL_VAR if there
3278         are no call-clobbered variables.
3279         * tree-outof-ssa.c (check_replaceable): Return false for calls
3280         with side-effects.
3281
3282 2005-01-26  Ulrich Weigand  <uweigand@de.ibm.com>
3283
3284         * dbxout.c (dbxout_symbol_location): Resolve constant pool references
3285         even for variables with NULL DECL_INITIAL.
3286
3287 2005-01-26  Stuart Hastings  <stuart@apple.com>
3288
3289         * gimplify.c (shortcut_cond_expr): Re-compute side-effects.
3290
3291 2005-01-26  Richard Henderson  <rth@redhat.com>
3292
3293         PR middle-end/18008
3294         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
3295         field's type.
3296         * expr.c (store_field): Strip conversions to odd-bit-sized types
3297         if the destination field width matches.
3298
3299 2005-01-26  Richard Henderson  <rth@redhat.com>
3300
3301         * c-decl.c, expmed.c, expr.c: Revert last change.
3302
3303 2005-01-26  Richard Henderson  <rth@redhat.com>
3304
3305         PR middle-end/18008
3306         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
3307         field's type.
3308         * expmed.c (store_fixed_bit_field): Create a paradoxical subreg
3309         if we don't need the bits above those present in the current mode.
3310         * expr.c (store_field): Strip conversions to odd-bit-sized types
3311         if the destination field width matches.
3312
3313 2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
3314
3315         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
3316         either -ffast-math or -funsafe-math-optimizations is in use.
3317
3318 2005-01-26  Marek Michalkiewicz  <marekm@amelek.gda.pl>
3319
3320         PR target/19293
3321         PR target/19329
3322         * config/avr/avr.c (notice_update_cc): Only set condition code for
3323         ashrqi3 if shift count > 0.
3324         (out_shift_with_cnt): Handle shift count <= 0 as a no-op.
3325         (ashlqi3_out, ashlhi3_out, ashlsi3_out, ashrqi3_out, ashrhi3_out,
3326         ashrsi3_out, lshrqi3_out, lshrhi3_out, lshrsi3_out): Handle shift
3327         count <= 0 as a no-op, and shift count >= width by copying zero
3328         or sign bit to all bits of the result.
3329         * config/avr/avr.md (all shifts): Add alternatives for zero shift
3330         count, with attribute "length" set to 0 and "cc" set to "none".
3331
3332 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
3333
3334         * doc/invoke.texi: Document -mTLS.
3335
3336         * testsuite/gcc.target/frv/all-tls-global-dynamic.c: New.
3337         * testsuite/gcc.target/frv/all-tls-initial-exec.c: New.
3338         * testsuite/gcc.target/frv/all-tls-initial-exec-pic.c: New.
3339         * testsuite/gcc.target/frv/all-tls-local-dynamic.c: New.
3340         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt.c: New.
3341         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt-pic.c: New.
3342         * testsuite/gcc.target/frv/all-tls-local-exec.c: New.
3343         * testsuite/gcc.target/frv/all-tls-local-exec-TLS.c: New.
3344
3345         * configure.ac: Check for a TLS capable gas.
3346
3347         * configure: Regenerate.
3348
3349 2005-01-26  Richard Henderson  <rth@redhat.com>
3350
3351         PR middle-end/18008
3352         * combine.c (make_field_assignment): Simplify store to zero_extract
3353         from a source with an overlapping mask.
3354
3355 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
3356
3357         2004-11-11  Eric Christopher  <echristo@redhat.com>
3358
3359         * config/frv/frv.md: Add fr400_integer automaton. Don't
3360         allow TYPE_MUL, TYPE_MACC, or TYPE_CUT to issue in parallel
3361         to TYPE_MACC.
3362
3363 2005-01-26  Steven Bosscher  <stevenb@suse.de>
3364
3365         PR middle-end/16585
3366         * cfgbuild.c (make_edges): Do not clear or set
3367         current_function_has_computed_jump.
3368         * function.h (struct function): Remove the has_computed_jump field.
3369         (current_function_has_computed_jump): Do not define.
3370         * sched-rgn.c (is_cfg_nonregular): Return true if a basic block ends
3371         in a computed jump.  Ignore current_function_has_computed_jump.
3372
3373 2005-01-26  Richard Henderson  <rth@redhat.com>
3374
3375         PR middle-end/19515
3376         * expr.c (categorize_ctor_elements): New argument p_must_clear.
3377         (categorize_ctor_elements_1): Likewise.  Detect a union that isn't
3378         fully initialized.
3379         (mostly_zeros_p): Update for new categorize_ctor_elements argument.
3380         * gimplify.c (gimplify_init_constructor): Likewise.  Only shove
3381         objects into static storage if they have more than one non-zero value.
3382         * tree.h (categorize_ctor_elements): Update decl.
3383
3384 2005-01-26  Steven Bosscher  <stevenb@suse.de>
3385
3386         PR middle-end/19616
3387         * tree.h (CALL_EXPR_TAILCALL): Add comment.
3388         * calls.c (check_sibcall_argument_overlap_1): Revert the change
3389         to this function from 2004-07-10.
3390         * tree-tailcall.c (suitable_for_tail_opt_p): Do not consider the
3391         the current function for tail call optimizations if the address
3392         of one of it its arguments is taken.
3393
3394 2005-01-26  Kazu Hirata  <kazu@cs.umass.edu>
3395
3396         * cse.c (fold_rtx): Call equiv_constant only when necessary.
3397
3398 2005-01-26  Bernd Schmidt  <bernd.schmidt@analog.com>
3399
3400         * function.c (expand_function_end): If current_function_calls_alloca,
3401         emit stack restore in a place that is reached when the function falls
3402         through at the end.
3403
3404 2005-01-26  Alexandre Oliva  <aoliva@redhat.com>
3405
3406         * Makefile.in (../$(build_subdir)/fixincludes/fixincl): Add dummy
3407         rule to avoid matching inappropriate suffix rule.
3408
3409 2005-01-26  Jan Hubicka  <jh@suse.cz>
3410
3411         PR tree-optimization/19241
3412         * tree-inline.c (copy_body_r): Do not walk subtrees after substituting.
3413
3414 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
3415
3416         * config/cris/cris.h (LIB_SPEC) <sim*>: Use -lsyslinux, not
3417         -lsyssim.  Wrap -lc -lsyssim in --start-group --end-group instead
3418         of doubling.
3419         (STARTFILE_SPEC): Add crti.o, before crtbegin.o.
3420         <sim*>: Always use crt1.o, regardless of N in simN.
3421         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
3422         (ENDFILE_SPEC): Add crtn.o, after crtend.o.
3423         (CRT_CALL_STATIC_FUNCTION): Remove.
3424         * config/cris/aout.h (STARTFILE_SPEC): <!melinux && sim*>: Always
3425         use crt1.o, regardless of N in simN.
3426         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
3427         (LIB_SPEC): Do not define; default to the one in config/cris/cris.h.
3428         (CRIS_CPP_SUBTARGET_SPEC) <melinux && !nostdinc>: Remove special
3429         case isystem setting.
3430         (MAX_OFILE_ALIGNMENT): Correct to 32, not 16.
3431
3432 2005-01-25  Ian Lance Taylor  <ian@airs.com>
3433
3434         * gimple-low.c (block_may_fallthru): Correct handling of
3435         SWITCH_EXPR--may fall through if SWITCH_LABELS is NULL.
3436
3437 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
3438
3439         * config/cris/cris.h (CPP_SPEC): Adjust the various mtune=
3440         handlers to match indentation; nested under the mtune=* handler.
3441         Similar for mcpu= and march=.
3442
3443 2005-01-25  Daniel Jacobowitz  <dan@codesourcery.com>
3444
3445         * config/mips/linux.h (LIB_SPEC): Remove -rpath-link.
3446         * config/mips/linux64.h (LIB_SPEC): Likewise.
3447         * config/mn10300/linux.h (LIB_SPEC): Likewise.
3448         * config/sh/linux.h (LIB_SPEC): Likewise.
3449
3450 2005-01-25  Aldy Hernandez  <aldyh@redhat.com>
3451
3452         * config/frv/frv.c (frv_legitimize_tls_address): New.
3453         (TARGET_HAVE_TLS): Define.
3454         (FRV_SYMBOL_REF_TLS_P): Define.
3455         (frv_override_options): Handle new register classes.
3456         (frv_legitimate_address_p): Reject tls addresses.
3457         (frv_legitimize_address): Handle TLS addresses.
3458         (gen_inlined_tls_plt): New.
3459         (gen_tlsmoff): New.
3460         (frv_legitimize_tls_address): New.
3461         (unspec_got_name): Add TLS entries.
3462         (got12_operand): Add R_FRV_TLSMOFF12 case.
3463         (frv_emit_move): Fixup TLS addresses.
3464         (frv_emit_movsi): Legitimize TLS addresses.