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Fix my last entry
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1 2005-03-03  Hans-Peter Nilsson  <hp@axis.com>
2
3         Describe special registers SRP and MOF as allocatable registers.
4         * config/cris/cris.c (cris_md_asm_clobbers): New function.
5         (TARGET_MD_ASM_CLOBBERS): Define to cris_md_asm_clobbers.
6         (cris_conditional_register_usage): Enable CRIS_MOF_REGNUM if
7         TARGET_HAS_MUL_INSNS.
8         (cris_print_operand) <case 'd'>: New case.
9         <case REG>: Allow CRIS_MOF_REGNUM and CRIS_SRP_REGNUM.
10         * config/cris/cris.h (CRIS_PC_REGNUM, CRIS_SRP_REGNUM): Don't
11         define.
12         (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS)
13         (REG_ALLOC_ORDER): Update for MOF.
14         (enum reg_class): New members MOF_REGS, GENERAL_REGS and
15         SPECIAL_REGS.
16         (GENERAL_REGS): No longer a define of ALL_REGS.
17         (REGNO_REG_CLASS, REG_CLASS_CONTENTS, REG_CLASS_NAMES)
18         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
19         Adjust accordingly.
20         (CRIS_SPECIAL_REGS_CONTENTS): New macro.
21         (REG_CLASS_FROM_LETTER): Allocate 'h' and 'x'.
22         (SECONDARY_RELOAD_CLASS): Define.
23         (STACK_POINTER_REGNUM): Define as CRIS_SP_REGNUM.
24         (FRAME_POINTER_REGNUM): Define as CRIS_FP_REGNUM.
25         (ARG_POINTER_REGNUM): Define as CRIS_AP_REGNUM.
26         (STATIC_CHAIN_REGNUM): Define as CRIS_STATIC_CHAIN_REGNUM.
27         (REGISTER_MOVE_COST): Define.
28         (PIC_OFFSET_TABLE_REGNUM): Define in terms of CRIS_GOT_REGNUM.
29         * config/cris/cris.md (CRIS_GOT_REGNUM, CRIS_STATIC_CHAIN_REGNUM)
30         (CRIS_FP_REGNUM, CRIS_SP_REGNUM, CRIS_SRP_REGNUM, CRIS_AP_REGNUM)
31         (CRIS_MOF_REGNUM): New define_constants.
32         ("*movsi_internal", "movhi", "movqi", "movsf"): Add alternatives for
33         special registers.
34         ("reload_inhi", "reload_outhi", "reload_inqi", "reload_outqi"):
35         New patterns.
36         ("umulhisi3", "umulqihi3", "mulsi3", "mulqihi3", "mulhisi3")
37         ("mulsidi3", "umulsidi3", "smulsi3_highpart", "umulsi3_highpart"):
38         Adjust for MOF being properly described as a register.
39         (indir_to_reg_split): Name this split.  Conditionalize on the
40         destination register being a general register.
41         (movei): Conditionalize on on operands 0 and 1 having the same
42         register class.
43
44 2005-03-03  Alan Modra  <amodra@bigpond.net.au>
45
46         PR target/20277
47         * config/rs6000/rs6000.c (rs6000_override_options): Don't allow
48         -mcpu to override any other explicitly given flags.
49
50 2005-03-02  J"orn Rennecke <joern.rennecke@st.com>
51
52         * recog.c (verify_changes, confirm_change_group): New functions,
53         broken out of apply_change_group.
54         (apply_change_group): Use them.
55         * recog.h (verify_change, confirm_change_group): Declare.
56         * rtl.h (redirect_jump_2): Declare.
57         * jump.c (redirect_exp, invert_exp): Delete.
58         (invert_exp_1): Take second parameter.  Return value.  Changed caller.
59         (redirect_jump_2): New function, broken out of redirect_jump.
60         (redirect_jump): Use redirect_jump_1 and redirect_jump_2.
61         (invert_jump): Use invert_jump_1 and redirect_jump_2.
62         * ifcvt.c (dead_or_predicable): Use redirect_jump_2.
63
64 2005-03-02  Geoffrey Keating  <geoffk@apple.com>
65
66         * varasm.c (named_section): Use xstrdup rather than doing it by
67         hand.
68
69         * config/darwin8.h (LIB_SPEC): Switch -lmx and -lSystem.
70
71 2005-03-02  Devang Patel  <dpatel@apple.com>
72         
73         Undo PR tree-optimization/18815 fix.
74         
75 2005-03-02  Devang Patel  <dpatel@apple.com>
76
77         PR tree-optimization/18815
78         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
79         loops with zero exit edges.
80         
81 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
82
83         * cfg.c (connect_src, connect_dest, disconnect_src,
84         disconnct_dest): New.
85         (unchecked_make_edge, remove_edge, redirect_edge_succ,
86         redirect_edge_pred): Use the new functions.
87
88         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
89         free_dominance_info only when needed.
90
91 2005-03-02  David Edelsohn  <edelsohn@gnu.org>
92
93         PR target/20276
94         * config/rs6000/predicates.md (reg_or_cint64_operand): Fix typo.
95         (reg_or_sub_cint64_operand): Same.
96
97 2005-03-02  Jeff Law  <law@redhat.com>
98
99         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Fix setting of
100         CFG_ALTERED in the main DOM iteration loop.
101
102 2005-03-02  Mark Mitchell  <mark@codesourcery.com>
103
104         PR c++/19916
105         * varasm.c (initializer_constant_valid_p): Allow conversions
106         between OFFSET_TYPEs.  Tidy.
107
108 2005-03-02  Hans-Peter Nilsson  <hp@axis.com>
109
110         * config/cris/cris.md ("return"): Remove epilogue delay list
111         sanity check.
112
113 2005-03-02  Daniel Jacobowitz  <dan@codesourcery.com>
114
115         * config/arm/linux-elf.h (ARM_FUNCTION_PROFILER): Do not use (PLT)
116         for Thumb.
117         * config/arm/netbsd-elf.h (ARM_FUNCTION_PROFILER): Likewise.
118
119 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
120
121         * cfgloop.h, cfgloopanal.c, cfgloopmanip.c, conflict.c,
122         loop-init.c, loop-unroll.c, print-tree.c, reg-notes.def,
123         config/m68k/m68k.c, config/mips/mips.h,
124         config/rs6000/rs6000-protos.h, doc/contrib.texi,
125         doc/include/gcc-common.texi: Update copyright.
126
127         PR middle-end/18029 and PR middle-end/18030
128         * expr.c (optimize_bitfield_assignment_op): Add a special case
129         to handle BIT_IOR_EXPR and BIT_XOR_EXPR.
130
131         * fold-const.c (fold_unary): New.
132         (fold): Call fold_unary on unary expressions.
133
134 2005-03-02  Richard Guenther  <rguenth@gcc.gnu.org>
135
136         * cgraph.h (struct cgraph_edge): Add prev_caller and
137         prev_callee fields.
138         (cgraph_node_remove_callees): Export.
139         * cgraph.c (cgraph_create_edge): Initialize prev_caller
140         and prev_callee.
141         (cgraph_edge_remove_callee): New function.
142         (cgraph_edge_remove_caller): Likewise.
143         (cgraph_remove_edge): Use.
144         (cgraph_redirect_edge_callee): Likewise.
145         (cgraph_node_remove_callees): New function.
146         (cgraph_node_remove_callers): Likewise.
147         (cgraph_remove_node): Use.
148         * tree-optimize.c (tree_rest_of_compilation): Use
149         cgraph_node_remove_callees instead of manual loop.
150         * cgraphunit.c (cgraph_finalize_function): Likewise.
151         (cgraph_expand_function): Likewise.
152         (cgraph_remove_unreachable_nodes): Likewise.
153
154 2005-03-02  Joseph S. Myers  <joseph@codesourcery.com>
155
156         PR c/8927
157         * c-tree.h (undeclared_variable, build_external_ref): Add extra
158         argument.
159         * c-decl.c (undeclared_variable): Take location as argument.
160         * c-typeck.c (build_external_ref): Likewise.
161         * c-parser.c (c_parser_postfix_expression): Pass location of
162         identifier to build_external_ref.
163
164 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
165
166         * config/rs6000/rs6000.md (cceq splitter): Use operand mode, not
167         CCEQ mode for branch_positive_comparison_operator test.
168         * config/rs6000/predicates (branch_comparison_operator): Revert to
169         define_predicate.
170         (scc_comparison_operator): Same.
171         (branch_positive_comparison_operator): Same.
172
173 2005-03-01  Hans-Peter Nilsson  <hp@axis.com>
174
175         * config/cris/cris.c (cris_eligible_for_epilogue_delay)
176         (cris_delay_slots_for_epilogue): Remove.
177         (save_last): Move into cris_target_asm_function_epilogue.
178         (cris_target_asm_function_epilogue): Remove tests for file being
179         NULL.
180         * config/cris/cris-protos.h (cris_eligible_for_epilogue_delay)
181         (cris_delay_slots_for_epilogue): Remove prototypes.
182         * config/cris/cris.h (DELAY_SLOTS_FOR_EPILOGUE)
183         (ELIGIBLE_FOR_EPILOGUE_DELAY): Do not define.
184
185 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
186
187         * config/rs6000/predicates.md (branch_comparison_operator): Change
188         to define_special_predicate.
189         (scc_comparison_operator): Same.
190         (branch_positive_comparison_operator): Same.
191
192 2005-03-01  Daniel Berlin <dberlin@dberlin.org>
193
194         * Makefile.in (tree-ssa-sink.o): New.
195         (OBJS-common): Add tree-ssa-sink.o.
196         * common.opt: Add -ftree-sink
197         * opts.c (decode_options): flag_tree_sink is set at O1 or higher.
198         * timevar.def (TV_TREE_SINK): new timevar.
199         * tree-flow.h (is_hidden_global_store): Prototype.
200         * tree-optimize.c (init_tree_optimization_passes): Add
201         pass_sink_code.
202         * tree-pass.h (pass_sink_code): New.
203         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Move checking
204         for non-obvious global store store to is_hidden_global_store, and
205         call that new function.
206         * tree-ssa-sink.c: New file.
207         * doc/invoke.texi: Document -fdump-tree-sink and -ftree-sink.
208         * doc/passes.texi: Document forward store motion.
209         * testsuite/gcc.dg/tree-ssa/ssa-sink-1.c: New test
210         * testsuite/gcc.dg/tree-ssa/ssa-sink-2.c: New test
211         * testsuite/gcc.dg/tree-ssa/ssa-sink-3.c: New test
212         * testsuite/gcc.dg/tree-ssa/ssa-sink-4.c: New test
213
214 2005-03-01  Per Bothner  <per@bothner.com>
215
216         * diagnostic.c (diagnostic_build_prefix): If USE_MAPPED_LOCATION
217         and we have a non-zero column-number, add it to the message.
218         Also factor out the diagnostic_kind_text.
219
220 2005-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
221
222         * cfgloop.c (flow_loop_entry_edges_find, flow_loop_exit_edges_find,
223         flow_loop_pre_header_scan, flow_loop_pre_header_find,
224         flow_loop_scan): Removed.
225         (flow_loop_dump): Do not dump removed fields.
226         (flow_loop_free): Do not free removed fields.
227         (flow_loops_find): Flags argument removed.  Do not call flow_loop_scan.
228         (loop_exit_edge_p): New function.
229         * cfgloop.h (struct loop): Removed fields pre_header, pre_header_edges,
230         num_pre_header_edges, entry_edges, num_entries, exit_edges,
231         num_exits, exits_doms.
232         (LOOP_TREE, LOOP_PRE_HEADER, LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES,
233         LOOP_EDGES, LOOP_ALL): Removed.
234         (flow_loop_scan): Declaration removed.
235         (loop_exit_edge_p, mark_loop_exit_edges): Declare.
236         * cfgloopmanip.c (create_loop_notes): Do not pass flags to
237         flow_loops_find.
238         * ifcvt.c (mark_loop_exit_edges): Moved to cfgloopanal.c.
239         (if_convert): Call flow_loops_find and flow_loops_free
240         when calling mark_loop_exit_edges.
241         * cfgloopanal.c (mark_loop_exit_edges): Moved from
242         ifcvt.c.  Removed the flow_loops_find, flow_loops_free and
243         free_dominance_info calls.
244         * loop-init.c (flow_loops_find): Ditto.
245         * passes.c (rest_of_handle_branch_prob): Ditto.
246         * lambda-code.c (perfect_nestify): Do not call flow_loops_find.
247         * loop-unroll.c (analyze_insns_in_loop): Do not use
248         EDGE_LOOP_EXIT.
249         * predict.c (predict_loops): Do not call flow_loop_scan.
250         Use get_loop_exit_edges.
251         (tree_estimate_probability): Do not pass flags to flow_loops_find.
252         * tree-if-conv.c (bb_with_exit_edge_p): Take loop as argument.
253         Do not use EDGE_LOOP_EXIT.
254         (tree_if_convert_cond_expr, if_convertible_modify_expr_p): Pass loop
255         to bb_with_exit_edge_p.
256         (if_convertible_loop_p): Do not call flow_loop_scan.  Use
257         loop->single_exit.  Do not use EDGE_LOOP_EXIT.  Pass loop
258         to bb_with_exit_edge_p.
259         (combine_blocks): Pass loop to bb_with_exit_edge_p.  Do not use
260         EDGE_LOOP_EXIT.
261         * tree-loop-linear.c (linear_transform_loops): Do not call
262         flow_loop_scan.  Use loop->single_exit.
263         * tree-vect-analyze.c (vect_analyze_operations): Use loop->single_exit.
264         (vect_analyze_loop_form): Do not call flow_loop_scan.
265         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Use
266         loop->single_exit.
267         (vect_do_peeling_for_loop_bound): Use loop_preheader_edge and
268         loop->single_exit.
269         * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
270         slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
271         slpeel_tree_duplicate_loop_to_edge_cfg,
272         slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
273         Use loop_preheader_edge and loop->single_exit.  Do not call
274         flow_loop_scan.
275
276 2005-03-01  Nick Clifton  <nickc@redhat.com>
277
278         * config/arm/arm.c (thumb_find_work_register): Check all of the
279         argument registers to see if they are free, and a couple of
280         special cases where the last argument register but can be proved
281         to be available during the function's prologue.
282         (print_multi_reg, arm_compute_save_reg0_reg12_mask,
283         output_return_instruction, emit_multi_reg_push, thumb_pushpop,
284         thumb_unexpanded_epilogue): Use unsigned long as the type for the
285         register bit-mask.
286         (thumb_compute_save_reg_mask): Likewise.  Also use
287         thumb_find_work_register() to ensure that there is agreement about
288         which work register is going to be used in the prologue.
289         (thumb_output_function_prologue): Use unsigned long as the type
290         for the register bit-mask.  Also delay pushing the link register if
291         other high registers are going to be pushed.
292         (thumb_compute_save_reg_mask, emit_multi_reg_push,
293         print_multi-reg, number_of_first_bit_set, thumb_pushpop): Remove
294         redundant prototypes.
295
296 2005-02-28  John David Anglin  <dave.anglin#nrc-cnrc.gc.ca>
297
298         PR target/19819
299         * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow allow hard registers during
300         and after reload in REG+REG indexed addresses without REG_POINTER
301         set in the base and not set in the index.
302
303 2005-02-28  Kaz Kojima  <kkojima@gcc.gnu.org>
304
305         * config/sh/linux.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX):
306         Don't undefine here.
307         (HANDLE_PRAGMA_PACK_PUSH_POP): Delete.
308         (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC): Likewise.
309         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
310         (LIB_SPEC, LINK_EH_SPEC, STARTFILE_SPEC, ENDFILE_SPEC,
311         LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED, TARGET_C99_FUNCTIONS):
312         Delete.
313         * config.gcc (sh*-*-linux*): Use config/linux.h.
314
315 2005-02-28  Dale Johannesen  <dalej@apple.com>
316             Stan Shebs  <shebs@apple.com>
317
318         Rewrite of 64-bit Darwin structure-by-value pass/return.
319         * config/rs6000/rs6000.h (CUMULATIVE_ARGS): New fields
320         intoffset, use_stack, named.
321         * config/rs6000/rs6000.c (rs6000_darwin64_function_arg):  Remove.
322         (rs6000_darwin64_record_arg_advance_flush):  New.
323         (rs6000_darwin64_record_arg_advance_recurse): New.
324         (rs6000_darwin64_record_arg_flush):  New.
325         (rs6000_darwin64_record_arg_recurse):  New.
326         (rs6000_darwin64_record_arg):  New.
327         (rs6000_return_in_memory):  Remove AGGREGATE_TYPE_P check.
328         (function_arg_boundary):  Handle 128-bit aligned structs.
329         (function_arg_advance):  Rewrite darwin64 struct handling.
330         (function_arg):  Call rs6000_darwin64_record_arg.
331         (function_arg_partial_nregs):  Handle darwin64 structs.
332         (rs6000_darwin64_function_value):  Remove.
333         (rs6000_function_value):  Call rs6000_darwin64_record_arg.
334
335 2005-02-28  Roger Sayle  <roger@eyesopen.com>
336
337         PR tree-optimization/20216
338         * tree-chrec.c (tree_fold_factorial): Delete.
339         (tree_fold_binomial): Change argument list to take a return type
340         and change the type of K to unsigned int.  Rewrite to avoid explicit
341         evaluation of factorials, and (recursively) calling fold to perform
342         compile-time arithmetic.  Return NULL on (internal) overflow.
343         (chrec_evaluate): Change type of K to an unsigned int.  Avoid
344         calling tree_fold_binomial unnecessarily.  Return chrec_dont_know
345         if any intermediate calculation overflows.
346         (chrec_apply): Update call to chrec_evaluate.
347
348 2005-02-28  James E Wilson  <wilson@specifixinc.com>
349
350         * config/mips/mips.h (NO_PROFILE_COUNTERS): Define.
351
352 2005-02-28  Joseph S. Myers  <joseph@codesourcery.com>
353
354         PR c/20245
355         * c-parser.c (c_parser_compound_statement): Return error_mark_node
356         instead of NULL_TREE on error.
357
358 2005-02-28  David Edelsohn  <edelsohn@gnu.org>
359
360         * config/rs6000/rs6000.c (EASY_VECTOR_15): Remove.
361         (EASY_VECTOR_15_ADD_SELF): Remove.
362         (num_insns_constant_wide): Not static.
363         (validate_condition_mode): Not static.
364         (toc_relative_expr_p): Not static.
365         (legitimate_indirect_address_p): Not static.
366         (macho_lo_sum_memory_operand): Not static.
367         (invalid_e500_subreg): Not static.
368         (easy_vector_same): Not static.
369         (easy_vector_splat_const): Not static.
370         (RS6000_SYMBOL_REF_TLS_P): Remove.
371         (any_operand): Delete.
372         (any_parallel_operand): Delete.
373         (count_register_operand): Delete.
374         (altivec_register_operand): Delete.
375         (xer_operand): Delete.
376         (s8bit_cint_operand): Delete.
377         (short_cint_operand): Delete.
378         (u_short_cint_operand): Delete.
379         (non_short_cint_operand): Delete.
380         (exact_log2_cint_operand): Delete.
381         (gpc_reg_operand): Delete.
382         (cc_reg_operand): Delete.
383         (cc_reg_not_cr0_operand): Delete.
384         (reg_or_short_operand): Delete.
385         (reg_or_neg_short_operand): Delete.
386         (reg_or_aligned_short_operand): Delete.
387         (reg_or_u_short_operand): Delete.
388         (reg_or_cint_operand): Delete.
389         (reg_or_arith_cint_operand): Delete.
390         (reg_or_add_cint64_operand): Delete.
391         (reg_or_sub_cint64_operand): Delete.
392         (reg_or_logical_cint_operand): Delete.
393         (got_operand): Delete.
394         (got_no_const_operand): Delete.
395         (easy_fp_constant): Delete.
396         (easy_vector_constant): Delete.
397         (easy_vector_constant_add_self): Delete.
398         (zero_constant): Delete.
399         (zero_fp_constant): Delete.
400         (volatile_mem_operand): Delete.
401         (offsettable_mem_operand): Delete.
402         (mem_or_easy_const_operand): Delete.
403         (add_operand): Delete.
404         (non_add_cint_operand): Delete.
405         (logical_operand): Delete.
406         (non_logical_cint_operand): Delete.
407         (mask_operand): Delete.
408         (mask_operand_wrap): Delete.
409         (mask64_operand): Delete.
410         (mask64_2_operand): Delete.
411         (and64_operand): Delete.
412         (and64_2_operand): Delete.
413         (and_operand): Delete.
414         (reg_or_mem_operand): Delete.
415         (lwa_operand): Delete.
416         (symbol_ref_operand): Delete.
417         (call_operand): Delete.
418         (current_file_function_operand): Delete.
419         (input_operand): Delete.
420         (rs6000_nonimmediate_operand): Delete.
421         (rs6000_tls_symbol_ref): Delete.
422         (save_world_operation): Delete.
423         (restore_world_operation): Delete.
424         (load_multiple_operation): Delete.
425         (store_multiple_operation): Delete.
426         (vrsave_operation): Delete.
427         (mfcr_operation): Delete.
428         (mtcrf_operation): Delete.
429         (lmw_operation): Delete.
430         (stmw_operation): Delete.
431         (branch_comparison_operator): Delete.
432         (branch_positive_comparison_operator): Delete.
433         (scc_comparison_operator): Delete.
434         (trap_comparison_operator): Delete.
435         (boolean_operator): Delete.
436         (boolean_or_operator): Delete.
437         (min_max_operator): Delete.
438         * config/rs6000/rs6000.h (RS6000_SYMBOL_REF_TLS_P): Move to here.
439         (EASY_VECTOR_15): Moved to here.
440         (EASY_VECTOR_15_ADD_SELF): Move to here.
441         (PREDICATE_CODES): Delete.
442         * config/rs6000/rs6000-protos.h: Delete predicate functions.
443         Declare functions no longer static.
444         * config/rs6000/predicates.md: New.
445         * config/rs6000/rs6000.md: Include predicates.md
446
447 2005-02-28  Kazu Hirata  <kazu@cs.umass.edu>
448
449         * calls.c (emit_call_1): Don't use  REG_ALWAYS_RETURN.
450         (emit_library_call_value_1): Don't use LCT_ALWAYS_RETURN and
451         REG_ALWAYS_RETURN.
452         * cfgrtl.c (need_fake_edge_p): Likewise.
453         * combine.c (distribute_notes): Likewise.
454         * emit-rtl.c (try_split): Likewise.
455         * recog.c (peephole2_opimize): Likewise.
456         * reg-notes.def (ALWAYS_RETURN): Remove.
457         * rtl.h (LCT_ALWAYS_RETURN): Remove.
458         * tree-cfg.c (need_fake_edge_p): Don't use ECF_ALWAYS_RETURN.
459         * tree.h (ECF_ALWAYS_RETURN): Remove.
460
461 2005-02-28  Roger Sayle  <roger@eyesopen.com>
462
463         PR middle-end/19874
464         * tree-ssa.c (tree_ssa_useless_type_conversion_1): A conversion
465         between different machine modes is never a "useless" conversion.
466
467 2005-02-28  Geert Bosch  <bosch@gnat.com>
468
469         PR ada/15977
470         * doc/contrib.texi: List contributors for Ada front end
471
472 2005-02-28 Paolo Bonzini <bonzini@gnu.org>
473
474         * simplify-rtx.c (simplify_unary_operation_1,
475         simplify_const_unary_operation): New, extracted from...
476         (simplify_unary_operation): ... this one.
477         (simplify_binary_operation_1,
478         simplify_const_binary_operation): New, extracted from...
479         (simplify_binary_operation): ... this one.
480         * rtl.h (simplify_const_unary_operation,
481         simplify_const_binary_operation): Add prototypes.
482
483 2005-02-28  Julian Brown  <julian@codesourcery.com>
484
485         * config/elfos.h: Revert my patch from 2005-02-25 since it broke
486         building libjava and caused PR regression/20228.
487
488 2005-02-28  Paolo Bonzini  <bonzini@gnu.org>
489
490         PR bootstrap/17383
491         * Makefile.in (host_subdir): New.
492         (build_objdir): New.  Replace ../$(build_subdir) with it throughout.
493         * configure: Regenerate.
494
495 2005-02-27  Zack Weinberg  <zack@codesourcery.com>
496
497         * config/alpha/t-osf4, config/arm/t-netbsd, config/ia64/t-hpux
498         * config/pa/t-hpux-shlib (SHLIB_INSTALL): Create the
499         installation directory first.
500
501 2005-02-28  Hans-Peter Nilsson  <hp@axis.com>
502
503         PR target/19065.
504         * config/cris/cris.h (EXTRA_CONSTRAINT_Q): Accept only (mem (reg)),
505         not including (reg). Do not check for reg being CRIS_PC_REGNUM.
506         (EXTRA_MEMORY_CONSTRAINT): Define as 'Q'.
507         * config/cris/cris.md: Tweak comments referring to Q.
508         ("cmpsi", "cmphi", "cmpqi", "*movsi_internal", "movhi")
509         ("movstricthi", "movqi", "movstrictqi", "movsf", "addsi3")
510         ("addhi3", "addqi3", "subsi3", "subhi3", "subqi3")
511         ("*expanded_andsi", "*expanded_andhi", "*andhi_lowpart", "andqi3")
512         ("*andqi_lowpart", "iorsi3", "iorhi3", "iorqi3", "uminsi3"):
513         Insert spaces in constraints to align alternatives vertically for
514         readability.
515         ("cmphi"): Ditto.  Add separate alternative for operand 0 "r",
516         operand 1: "M".
517
518 2005-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
519
520         PR rtl-optimization/17728
521         * pa.md (mulsi3, divsi3, udivsi3, modsi3): Change predicate for
522         operand 0 from general_operand to move_dest_operand.
523
524 2005-02-26  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
525
526         * pa/elf.h, pa/som.h (ASM_OUTPUT_EXTERNAL): Use assemble_name_raw
527         instead of trying to save and restore TREE_SYMBOL_REFERENCED.
528         * pa/pa64-hpux.h (ASM_OUTPUT_TYPE_DIRECTIVE): Define.
529         (ASM_OUTPUT_EXTERNAL): Don't save and restore TREE_SYMBOL_REFERENCED.
530
531 2005-02-26  Nathanael Nerode  <neroden@gcc.gnu.org>
532
533         * configure.ac: Rename cc_for_cross_gnattools to host_cc_for_libada.
534         * configure: Regenerate.
535         * libada-mk.in: Remove CC; rename
536         cc_for_cross_gnattools / cc_set_by_configure to host_cc_for_libada.
537
538 2005-02-26  Andrew Pinski  <pinskia@physics.uc.edu>
539
540         PR tree-opt/20188
541         * tree-ssa-alias.c (count_uses_and_derefs): If we have TREE_LIST
542         for the lhs, also walk over the tree.  Likewise for rhs.
543
544 2005-02-26  Zdenek Dvorak  <dvorakz@suse.cz>
545
546         * tree-ssa-dom.c (simple_iv_increment_p): New function.
547         (simplify_rhs_and_lookup_avail_expr, eliminate_redundant_computations):
548         Do not propagate value of iv before increment over the increment.
549
550 2005-02-25  Joseph S. Myers  <joseph@codesourcery.com>
551
552         * c-parser.c: New file.
553         * c-parse.in: Remove.
554         * Makefile.in (c-parse.o-warn, c-parse.o, c-parse.c, c-parse.y):
555         Remove.
556         (c-parser.o): Add dependencies.
557         (C_AND_OBJC_OBJC, C_OBJS, gcc.srcextra, GTFILES, distclean,
558         maintainer-clean, TAGS): Update.
559         * c-config-lang.in (gtfiles): Update.
560         * gengtype-lex.l: Don't handle "@@".
561         * stub-objc.c (objc_get_class_ivars, objc_build_throw_stmt,
562         objc_build_synchronized, objc_begin_try_stmt,
563         objc_begin_catch_clause, objc_finish_catch_clause,
564         objc_build_finally_clause, objc_finish_try_stmt): New.
565         * c-tree.h (struct c_declspecs): Add declspecs_seen_p and
566         type_seen_p.
567         (c_parse_init): Update comment.
568         * c-decl.c (c_init_decl_processing): Update comment.
569         (build_null_declspecs, declspecs_add_qual, declspecs_add_type,
570         declspecs_add_scspec, declspecs_add_attrs): Initialize and update
571         new c_declspecs members.
572
573 2005-02-25  Julian Brown  <julian@codesourcery.com>
574
575         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
576         from being used for symbols with vague linkage when
577         HAVE_GAS_COMDAT_GROUP is true.
578
579 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
580
581         * doc/include/gcc-common.texi (version-GCC): Update to 4.1.
582
583 2005-02-25  Steve Ellcey  <sje@cup.hp.com>
584
585         PR target/19930
586         * doc/tm.texi (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Document.
587         (LIBGCC2_HAS_DF_MODE): New.
588         (LIBGCC2_HAS_XF_MODE): New.
589         (LIBGCC2_HAS_TF_MODE): New.
590         * libgcc2.h (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
591         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
592         * libgcc2.c (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
593         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
594         (LIBGCC2_HAS_DF_MODE): New name for HAVE_DFMODE.
595         * config/ia64/t-ia64 (LIB1ASMFUNCS): Remove __compat
596         and add _fixtfdi, _fixunstfdi, _floatditf
597         * lib1funcs.asm: Remove L__compat. Add L_fixtfdi,
598         L_fixunstfdi, L_floatditf.
599         * config/ia64/hpux.h (LIBGCC2_HAS_XF_MODE): Define.
600         (LIBGCC2_HAS_TF_MODE): Define.
601
602 2005-02-25  Diego Novillo  <dnovillo@redhat.com>
603
604         PR tree-optimization/20204
605         * tree-into-ssa.c (insert_phi_nodes_for): Do not use
606         REWRITE_THIS_STMT markers on PHI nodes.
607         (rewrite_initialize_block): Likewise.
608
609 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
610
611         * version.c (version_string): Update to 4.1.
612
613 2005-02-25  Paolo Carlini  <pcarlini@suse.de>
614
615         * doc/extend.texi (5.24 Declaring Attributes of Functions)<noreturn>:
616         Clarify that the alternative way doesn't work in GNU C++.
617
618 2005-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
619
620         PR tree-optimization/19937
621         * tree-ssa-loop-ivopts.c (rewrite_use_compare): Cast the final value
622         to the type of the induction variable.
623
624 2005-02-25  Kaz Kojima  <kkojima@gcc.gnu.org>
625
626         PR rtl-optimization/20117
627         * bb-reorder.c (duplicate_computed_gotos): Don't duplicate
628         the block including noncopyable insn.
629
630 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
631
632         * cse.c (delete_trivially_dead_insns): Speed up by minimizing
633         calls to find_reg_note.
634
635 2005-02-24  Richard Henderson  <rth@redhat.com>
636
637         PR tree-opt/20127
638         * tree-sra.c (instantiate_element): Copy TREE_THIS_VOLATILE from
639         the type.
640
641 2005-02-24  Fariborz Jahanian <fjahanian@apple.com>
642
643         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Check for
644         vector types if to use base reg for misaligned non-word ld/std.
645
646 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
647
648         PR target/14619
649         * config/cris/cris.c (cris_target_asm_function_prologue): Create
650         dwarf2 label manually and put it after, not before the prologue.
651
652 2005-02-24  David Edelsohn  <edelsohn@gnu.org>
653
654         PR target/19019
655         * reload.c (operands_match_p): Only increment register number for
656         SCALAR_INT_MODE_P modes in multiple hard registers.
657
658         * config/rs6000/rs6000.md (trunctfdf2): Remove register constraints.
659         Fix formatting.
660
661 2005-02-24  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
662
663         * ChangeLog.5: Fix log message typo(s).
664         * ChangeLog.7: Likewise.
665         * ChangeLog.tree-ssa: Likewise.
666         * cfgexpand.c: Fix comment typo(s).
667         * conflict.c: Likewise.
668         * defaults.h: Likewise.
669         * dwarf2out.c: Likewise.
670         * gcse.c: Likewise.
671         * ggc-page.c: Likewise.
672         * tree-eh.c: Likewise.
673         * tree-ssa-dom.c: Likewise.
674
675 2005-02-24  Jakub Jelinek  <jakub@redhat.com>
676
677         PR target/19019
678         * mklibgcc.in: Pass -DSHARED when compiling all *_s${objext} objects.
679         * config/rs6000/darwin-ldouble.c: Only use the .symver directives
680         if SHARED is defined.
681
682         PR target/20196
683         * config/rs6000/rs6000.md (LTU, GTU sCC splitters): Add earlyclobber,
684         allow splitting only if operands 0 and 3 don't overlap.
685
686 2005-02-24  Richard Henderson  <rth@redhat.com>
687
688         PR middle-end/19953
689         * builtins.c (fold_builtin_complex_mul, fold_builtin_complex_div): New.
690         (fold_builtin_1): Call them.
691         * fold-const.c (fold_complex_mult_parts): Split out from ...
692         (fold_complex_mult): ... here.  Fix typo in both imaginary case.
693         (fold_complex_div_parts, fold_complex_div): New.
694         (fold): Use them.
695         * tree.h (fold_complex_mult_parts, fold_complex_div_parts): Declare.
696
697 2005-02-24  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
698
699         * tree-ssa-ccp.c (visit_assignment): Verify that result of
700         VIEW_CONVERT_EXPR is_gimple_min_invariant.
701
702         * print-tree.c (print_node_brief): Print LABEL_DECL_UID.
703         (print_node): Likewise.
704         Print TYPE_SIZES_GIMPLIFIED.
705
706 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
707
708         * config/cris/cris.md ("umulhisi3", "umulqihi3", "mulsi3")
709         ("mulqihi3", "mulhisi3", "mulsidi3", "umulsidi3"): Mark input
710         operands as commutative in constraints.
711
712 2005-02-24  Diego Novillo  <dnovillo@redhat.com>
713
714         * tree-into-ssa.c: Re-organize internal functions.
715
716 2005-02-24  Richard Henderson  <rth@redhat.com>
717
718         PR middle-end/18902
719         * c-opts.c (c_common_post_options): Set flag_complex_method to 2
720         for c99.
721         * common.opt (fcx-limited-range): New.
722         * opts.c (set_fast_math_flags): Set flag_cx_limited_range.
723         * toplev.c (flag_complex_method): Initialize to 1.
724         (process_options): Set flag_complex_method to 0 if
725         flag_cx_limited_range.
726         * doc/invoke.texi (-fcx-limited-range): New.
727
728 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
729
730         * cse.c (delete_trivially_dead_insns): Speed up by using
731         NEXT_INSN and PREV_INSN directly instead of next_real_insn and
732         prev_real_insn.
733
734 2005-02-24  Andrea Tarani  <andrea.tarani@gilbarco.com>
735
736         * config/m68k/m68k.c (m68k_save_reg): Also save A5 for non-leaf
737         functions when -mid-shared-library is being used.
738
739 2005-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
740
741         * doc/tm.texi (LINK_LIBGCC_SPECIAL): Remove.
742         (LINK_LIBGCC_SPECIAL_1): Don't mention it.
743         * gcc.c: Don't check for LINK_LIBGCC_SPECIAL.
744         * system.h: Poison LINK_LIBGCC_SPECIAL.
745
746 2005-02-23  James E Wilson  <wilson@specifixinc.com>
747
748         * gengtype.c (note_insn_name): Make 1 element larger.
749
750 2005-02-23  Roger Sayle  <roger@eyesopen.com>
751
752         PR target/20018
753         PR rtl-optimization/20097
754         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
755         BImode SUBREGs of SImode registers which confuse the ia64 backend.
756
757 2005-02-23  David Edelsohn  <edelsohn@gnu.org>
758
759         * t-aix43 (SHLIB_INSTALL): Create directory for shared library.
760         * t-aix52 (SHLIB_INSTALL): Same.
761
762 2005-02-23  Kazu Hirata  <kazu@cs.umass.edu>
763
764         * genpreds.c: Update copyright.
765
766 2005-02-23  Michael Beach  <michaelb@ieee.org>
767
768         PR target/20159
769         * config/sparc/t-elf (startup files): Assemble with CPP.
770
771 2005-02-23  Paolo Bonzini  <bonzini@gnu.org>
772
773         * genpreds.c (mark_mode_tests): Handle non-VOIDmode match_operands.
774         (write_predicate_expr): Likewise.
775
776 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
777
778         PR tree-optimization/20100
779         PR tree-optimization/20115
780         * tree-optimize.c (init_tree_optimization_passes): Remove
781         pass_maybe_create_global_var.
782         * tree-pass.h (pass_maybe_create_global_var): Remove.
783         * tree-ssa-alias.c (aliases_computed_p): Declare.
784         (struct alias_info): Add field NUM_PURE_CONST_CALLS_FOUND.
785         (count_calls_and_maybe_create_global_var): Remove.
786         (pass_maybe_create_global_var): Remove.
787         (init_alias_info): Do not declare aliases_computed_p.
788         (maybe_create_global_var): If the function contains no
789         call-clobbered variables and a mix of pure/const and regular
790         function calls, create .GLOBAL_VAR.
791         Mark all call-clobbered variables for renaming.
792         (merge_pointed_to_info): Update comment.
793         (add_pointed_to_var): Likewise.
794         (is_escape_site): Likewise.
795         Accept struct alias_info * instead of size_t *.
796         Update all users.
797         Update AI->NUM_CALLS_FOUND and AI->NUM_PURE_CONST_CALLS_FOUND
798         as necessary.
799         * tree-ssa-operands.c (get_call_expr_operands): If
800         ALIASES_COMPUTED_P is false, do not add call-clobbering
801         operands.
802         * tree-ssa.c (init_tree_ssa): Set ALIASES_COMPUTED_P to false.
803         (delete_tree_ssa): Likewise.
804
805 2005-02-22  James E Wilson  <wilson@specifixinc.com>
806
807         * toplev.c (backend_init): Don't call init_adjust_machine_modes here.
808         (do_compile): Do call it here.
809
810 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
811
812         PR rtl-optimization/20017.
813         * passes.c (rest_of_handle_combine, rest_of_handle_cse,
814         rest_of_handle_cse2, rest_of_handle_gcse): Call
815         delete_dead_jumptables immediately before calling cleanup_cfg.
816
817 2005-02-22  Devang Patel  <dpatel@apple.com>
818
819         PR 19952
820         * tree-if-conv.c (process_phi_nodes): Use bsi_after_labels and skip
821         all labels
822
823 2005-02-22  David Edelsohn  <edelsohn@gnu.org>
824
825         * config/rs6000/aix.h (WINT_TYPE): Define.
826
827 2005-02-22  Stan Shebs  <shebs@apple.com>
828
829         * config/rs6000/rs6000.c (rs6000_override_options): Default to
830         natural alignment for 64-bit Darwin.
831         (rs6000_parse_alignment_option): Warn about uses of -malign-power
832         on 64-bit Darwin.
833         * doc/invoke.texi: Document this.
834
835 2005-02-22  DJ Delorie  <dj@redhat.com>
836
837         * c-common.c (c_common_type_for_mode): Pass the mode's precision
838         to make_[un]signed_type, not the mode itself.
839
840 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
841
842         * cfg.c (cached_make_edge): Call make_edge if edge cache is
843         not available.  Use tail calls wherever possible.
844         (make_edge): Call unchecked_make_edge to create an edge.
845
846         * tree-outof-ssa.c (SSANORM_USE_COALESCE_LIST): Remove.
847         (coalesce_ssa_name): Don't check for
848         SSANORM_USE_COALESCE_LIST.
849         (rewrite_out_of_ssa): Don't use SSANORM_USE_COALESCE_LIST.
850
851 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
852
853         * tree-into-ssa.c (rewrite_blocks): Move debug dumps from ...
854         (rewrite_into_ssa): ... here.
855
856 2005-02-21  Alexandre Oliva  <aoliva@redhat.com>
857
858         PR tree-optimization/19786
859         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add one
860         tag to another's may-alias bitmap when adding to the other's list.
861
862 2005-02-21  DJ Delorie  <dj@redhat.com>
863
864         * tree-ssa-loop-ivopts.c (computation_cost): Start register
865         numbering at LAST_VIRTUAL_REGISTER+1 to avoid possibly using hard
866         registers in unsupported ways.
867         * expmed.c (init_expmed): Likewise.
868
869 2005-02-21  Stan Cox  <scox@redhat.com>
870
871         * config/iq2000/iq2000.h (DWARF_FRAME_RETURN_COLUMN): Change to 31.
872
873 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
874
875         * tree-cfg.c (fold_cond_expr_cond): New.
876         (make_edges): Call fold_cond_expr_cond.
877         (find_taken_edge): Accept nothing but INTEGER_CST.
878         (find_taken_edge_cond_expr): Reject INTEGER_CST other than 0
879         and 1.
880         (find_taken_edge_switch_expr): Remove a check for INTEGER_CST.
881
882         * flow.c (delete_dead_jumptables): Speed up by scanning insns
883         that do not belong to any basic block.
884
885 2005-02-21  Jeff Law  <law@redhat.com>
886
887         * cfganal.c (find_unreachable_blocks): Manually CSE load of
888         e->dest.
889
890 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
891
892         * tree-outof-ssa.c (SSANORM_REMOVE_ALL_PHIS): Remove.
893         (SSANORM_COALESCE_PARTITIONS, SSANORM_USE_COALESCE_LIST):
894         Adjust their definitions.
895         (remove_ssa_form): Don't check for SSANORM_REMOVE_ALL_PHIS.
896         (rewrite_out_of_ssa): Don't use SSANORM_REMOVE_ALL_PHIS.
897
898         * c-objc-common.h, c-pretty-print.c, cgraphunit.c, except.c,
899         genautomata.c, langhooks.c, langhooks.h, system.h,
900         config/arm/lib1funcs.asm: Update copyright.
901
902 2005-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
903
904         * dbxout.c (dbxout_function_end): Emit Lscope label always.
905
906 2005-02-21  Richard Guenther  <rguenth@gcc.gnu.org>
907
908         PR bootstrap/13770
909         * doc/install.texi: Document --with-gc.
910
911 2005-02-21  Paolo Bonzini  <bonzini@gnu.org>
912
913         * simplify-rtx.c (simplify_unary_operation): Add a missing
914         "break" statement.
915
916 2005-02-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
917
918         PR tree-optimization/18663
919         * tree-ssa-dom.c (extract_range_from_cond): Return 0
920         if the type has variable bounds.
921
922 2005-02-20  Kazu Hirata  <kazu@cs.umass.edu>
923
924         * gcse.c: Remove an obsolete comment.
925
926         * cse.c (init_cse_reg_info): Use xmalloc instead of xrealloc.
927
928 2005-02-20  Hans-Peter Nilsson  <hp@axis.com>
929
930         * doc/extend.texi (Function Attributes) <Attribute const>: The
931         attribute "pure" is below this text, not above.
932
933 2005-02-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
934
935         * pa.c (pa_assemble_integer, get_plabel): Small cleanups.
936         (pa_asm_output_mi_thunk): Use asm_output_insn instead of fprintf.
937         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Small cleanup.
938
939 2005-02-20  Zack Weinberg  <zack@codesourcery.com>
940
941         PR 18785
942         * langhooks.h (struct lang_hooks): Add to_target_charset.
943         * langhooks.c (lhd_to_target_charset): New function.
944         * langhooks-def.h: Declare lhd_to_target_charset.
945         (LANG_HOOKS_TO_TARGET_CHARSET): New macro.
946         (LANG_HOOKS_INITIALIZER): Update.
947         * c-common.c (c_common_to_target_charset): New function.
948         * c-common.h: Declare it.
949         * c-objc-common.h (LANG_HOOKS_TO_TARGET_CHARSET): Set to
950         c_common_to_target_charset.
951
952         * defaults.c (TARGET_BELL, TARGET_BS, TARGET_CR, TARGET_DIGIT0)
953         (TARGET_ESC, TARGET_FF, TARGET_NEWLINE, TARGET_TAB, TARGET_VT):
954         Delete definitions.
955         * system.h: Poison them.
956         * doc/tm.texi: Don't discuss them.
957         * builtins.c (fold_builtin_isdigit): Use lang_hooks.to_target_charset.
958         * c-pretty-print.c (pp_c_integer_constant): Don't use pp_c_char.
959         (pp_c_char): Do not attempt to generate letter escapes for
960         newline, tab, etc.
961         * config/arm/arm.c (output_ascii_pseudo_op): Likewise.
962         * config/mips/mips.c (mips_output_ascii): Likewise.
963
964 2005-02-20  Dorit Naishlos  <dorit@il.ibm.com>
965
966         PR tree-optimization/19951
967         * tree-vect-analyze.c (vect_analyze_loop_form): Check if loop exit edge
968         is abnormal.
969
970 2005-02-19  Steven Bosscher  <stevenb@suse.de>
971
972         PR middle-end/19698
973         * function.h (struct function): New field `max_loop_depth'.
974         * cfgloop.c (establish_preds): Update maximum loop depth seen so far.
975         (flow_loops_find): Reset the max loop depth count before finding loops.
976         * flow.c (MAX_LIVENESS_ROUNDS): New constant.
977         (update_life_info_in_dirty_blocks): Remove 2002-05-28 workaround.
978         (calculate_global_regs_live): Make sure the loop will terminate
979         when the initial sets are not empty.
980
981 2005-02-19  Zack Weinberg  <zack@codesourcery.com>
982
983         * mklibgcc.in: If libgcc_eh.a would be empty, put a dummy
984         object inside.
985         * config/ia64/hpux.h: Don't define LIBGCC_SPEC.
986
987 2005-02-19  Richard Sandiford  <rsandifo@redhat.com>
988
989         PR other/19525
990         * doc/invoke.texi: Remove documentation of %M spec.
991         * gcc.c: Likewise.
992         (init_spec): Remove %M suffix from -lgcc_s.
993         (do_spec_1): Remove 'M' case.
994         * mklibgcc.in: Remove SHLIB_MULTILIB handling.  Expect SHLIB_LINK
995         to put shared libraries in the multilib directory.  Remove the
996         shlib_so_soname substitution variable.  Don't add a multilib encoding
997         to shlib_base_name.  Set shlib_slibdir_qual to the full pathname
998         reported by -print-multi-os-directory.  Pass @multilib_dir@ to
999         SHLIB_INSTALL as well as SHLIB_LINK.
1000         * config/t-slibgcc-elf-ver (SHLIB_SONAME): Use @shlib_base_name@.
1001         (SHLIB_NAME): Delete.
1002         (SHLIB_DIR): New macro.
1003         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_SOLINK) in $(SHLIB_DIR).
1004         (SHLIB_INSTALL): Adjust accordingly.
1005         * config/t-slibgcc-darwin: As for t-slibgcc-elf-ver.
1006         * config/t-slibgcc-sld: Likewise.
1007         * config/t-libunwind-elf (SHLIBUNWIND_NAME): Delete.
1008         (SHLIBUNWIND_SONAME): Use @shlib_base_name@.
1009         (SHLIBUNWIND_LINK): Put $(SHLIBUNWIND_SONAME) and $(SHLIB_SOLINK)
1010         in $(SHLIB_DIR).
1011         (SHLIBUNWIND_INSTALL): Adjust accordingly.
1012         * config/i386/t-nwld (SHLIB_SONAME): Delete.
1013         (SHLIB_LINK, SHLIB_INSTALL): Use SHLIB_NAME instead of SHLIB_SONAME.
1014         Use @shlib_base_name@ instead of @shlib_so_name@.
1015         * config/ia64/t-hpux (SHLIB_LINK): Put @shlib_base_name@.so.0
1016         and @shlib_base_name@.so in @multilib_dir@.
1017         (SHLIB_INSTALL): Adjust accordingly.  Add @shlib_slibdir_qual@
1018         to the install path.
1019         * config/mips/t-slibgcc-irix: As for t-slibgcc-elf-ver.
1020         (SHLIB_LINK): Remove previous workaround.
1021         * config/pa/t-hpux-shlib (SHLIB_DIR, SHLIB_SLIBDIR_QUAL): New macros.
1022         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_NAME) in $(SHLIB_DIR).
1023         (SHLIB_INSTALL): Adjust accordingly.  Add $(SHLIB_SLIBDIR_QUAL) to
1024         the install path.
1025         * config/rs6000/t-aix43 (SHLIB_LINK): Put @shlib_base_name@.a in
1026         @multilib_dir@.  Use @multilib_dir@ to check for threading libraries.
1027         (SHLIB_INSTALL): Adjust accordingly.
1028         (SHLIB_LIBS): Use @multilib_dir@ to check for threading libraries.
1029         * config/rs6000/t-aix52: As for config/rs6000/t-aix43.
1030         * config/sh/t-linux (SHLIB_LINK, SHLIB_INSTALL): As for
1031         config/t-slibgcc-elf-ver.
1032
1033 2005-02-19  Zdenek Dvorak  <dvorakz@suse.cz>
1034             Jakub Jelinek  <jakub@redhat.com>
1035
1036         PR tree-optimization/19828
1037         * tree-ssa-loop-im.c: Add a TODO comment.
1038         (movement_possibility): Return MOVE_PRESERVE_EXECUTION for calls
1039         without side-effects.
1040
1041 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
1042
1043         * tree-ssa-ccp.c (widen_bitfield): Pass type to build_int_cst and don't
1044         call fold_convert.
1045
1046 2005-02-18  James E. Wilson  <wilson@specifixinc.com>
1047
1048         * doc/invoke.texi (IA-64 Options): Delete -mb-step.
1049         * config/ia64/ia64.c (last_group, group_idx): Delete variables.
1050         (errata_find_address_regs, errata_emit_nops, fixup_errata): Delete
1051         functions.
1052         (ia64_reorg): Delete fixup_errata call.
1053         * config/ia64/ia64.h (MASK_B_STEP, TARGET_B_STEP): Delete.
1054         (TARGET_SWITCHES): Delete -mb-step entry.
1055
1056 2005-02-19  Jakub Jelinek  <jakub@redhat.com>
1057
1058         PR c/20043
1059         * c-typeck.c (composite_type): Handle quals in transparent unions.
1060         (type_lists_compatible_p): Likewise.
1061
1062 2005-02-18  Stan Shebs  <shebs@apple.com>
1063
1064         * config/darwin.c (machopic_select_rtx_section): Don't put relocatable
1065         expressions in the .literal8 section.
1066
1067 2005-02-18  Geoffrey Keating  <geoffk@apple.com>
1068
1069         * config/rs6000/darwin-tramp.asm: Remove stray 'APPLE LOCAL' marker.
1070
1071 2005-02-18  Roger Sayle  <roger@eyesopen.com>
1072
1073         * fold-const.c (constant_boolean_node): Always create values of the
1074         specified type, don't bother calling truthvalue_conversion.
1075
1076 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
1077
1078         * except.c (output_function_exception_table): Call
1079         assemble_external_libcall (eh_personality_libfunc).
1080
1081 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
1082
1083         PR target/19886
1084         * config/ia64/ia64.h (struct machine_function): Add state_num.
1085         * config/ia64/ia64.c (process_epilogue,
1086         process_for_unwind_directive): Use new unwind state numbers each
1087         time rather than state 1.
1088
1089 2005-02-18  Ulrich Weigand  <uweigand@de.ibm.com>
1090
1091         PR target/20054
1092         * config/s390/s390.md ("*llgt_sidi", "*llgt_sidi_split"): Move to
1093         before the "*llgt_didi" pattern.
1094
1095 2005-02-18  Jason Merrill  <jason@redhat.com>
1096
1097         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Revert again.
1098
1099 2005-02-18  Richard Earnshaw  <rearnsha@arm.com>
1100
1101         * arm/lib1funcs.asm (FUNC_ALIAS): New macro.
1102         (div0): Use it in place of ARM_FUNC_ALIAS.
1103         (lshrdi3, ashrdi3, ashlrdi3): Likewise.
1104
1105 2005-02-18  Andrew Pinski  <pinskia@physics.uc.edu>
1106
1107         PR middle-end/20030
1108         * fold-const.c (fold_indirect_ref_1): Use the correct index for zero
1109         access, the lower bound of the array type if it exists.
1110
1111 2005-02-18  Alexandre Oliva  <aoliva@redhat.com>
1112
1113         PR c++/20008
1114         * stmt.c (expand_case): Don't assume cleanup_tree_cfg will remove
1115         cases that are out-of-range for the index type.
1116
1117 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
1118
1119         * stmt.c (emit_case_bit_tests): Call fold_convert instead of convert.
1120         (estimate_case_costs): Don't call convert.
1121         * expmed.c (expand_shift): Likewise.
1122         (make_tree): Call fold_convert instead of convert.
1123
1124 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
1125
1126         PR c++/19813
1127         * emit-rtl.c (set_mem_attributes_minus_bitpos): Add assertion
1128         that ref to be marked MEM_READONLY_P doesn't have base that needs
1129         constructing.
1130
1131 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
1132
1133         * genautomata.c (output_get_cpu_unit_code_func,
1134         output_cpu_unit_reservation_p): Don't generate old-style function
1135         definitions.
1136
1137 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
1138
1139         PR c++/20023
1140         PR tree-optimization/20009
1141         * convert.c (convert_to_integer): Revert 2005-02-16 change.
1142
1143         PR tree-optimization/18947
1144         * cgraphunit.c (cgraph_finalize_function): When redefining an extern
1145         inline, remove all nodes that are inlined into the extern inline
1146         being redefined.
1147
1148 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
1149
1150         * bt-load.c, cfgloop.c, convert.c, dominance.c, global.c,
1151         loop-invariant.c, stmt.c, tree-ssa-forwprop.c,
1152         tree-ssa-live.c, tree-ssanames.c, tree-vn.c,
1153         config/host-linux.c, config/arm/fpa.md, config/avr/avr.h:
1154         Update copyright.
1155
1156 2005-02-17  Roger Sayle  <roger@eyesopen.com>
1157
1158         PR tree-optimization/19917
1159         * tree-eh.c (tree_could_trap_p): Consider calls to weak functions
1160         to be potentially trapping.
1161
1162 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
1163
1164         * libgcc2.c, tree-vect-analyze.c: Fix comment typos.
1165
1166 2005-02-17  Andreas Krebbel  <krebbel1@de.ibm.com>
1167
1168         * builtins.c (expand_builtin_return_addr): Remove tem parameter.
1169         tem becomes a local variable which is set to the value of the
1170         back end defined INITIAL_FRAME_ADDRESS macro.
1171         (expand_builtin_frame_address): Omit the base parameter to
1172         expand_builtin_return_addr.
1173         (expand_builtin_profile_func): Likewise.
1174         * config/s390/s390.h (INITIAL_FRAME_ADDRESS_RTX): Define new macro.
1175         (DYNAMIC_CHAIN_ADDRESS): Remove the case for the initial frame.
1176         * doc/tm.texi: Documentation for INITIAL_FRAME_ADDRESS_RTX added.
1177
1178 2005-02-17  Jakub Jelinek  <jakub@redhat.com>
1179
1180         * config/s390/s390.c (s390_alloc_pool, s390_free_pool,
1181         s390_chunkify_start): Use BITMAP_ALLOC and BITMAP_FREE.
1182         * config/frv/frv.c (frv_function_epilogue): Likewise.
1183
1184 2005-02-17  Daniel Berlin  <dberlin@dberlin.org>
1185
1186         * lambda-code (perfect_nestify): Remove mark/unmark
1187         for rewriting hack.
1188         * tree-loop-linear.c (linear_transform_loops): Add
1189         rewrite_into_ssa call so that ssa is correct for
1190         rewriting into loop closed.
1191
1192 2005-02-17  Nathan Sidwell  <nathan@codesourcery.com>
1193
1194         * bitmap.h (BITMAP_XMALLOC, BITMAP_XFREE): Remove.
1195         * bb-reorder.c (duplicate_computed_gotos): Use BITMAP_ALLOC and
1196         BITMAP_FREE.
1197         * bt-load.c (btr_def_live_range, combine_btr_defs,
1198         migrate_btr_def, migrate_btr_defs): Likewise.
1199         * cfgcleanup.c (thread_jump): Likewise.
1200         * cfgloop.c (get_loop_body_in_bfs_order): Likewise.
1201         * df.c (df_insn_table_realloc, df_bitmaps_alloc, df_bitmaps_free,
1202         df_alloc, df_free, df_du_chain_create, df_bb_rd_local_compute,
1203         df_rd_local_compute, df_reg_info_compute): Likewise.
1204         * dominance.c (init_dom_info, free_dom_info): Likewise.
1205         * flow.c (init_propagate_block_info,
1206         free_propagate_block_info): Likewise.
1207         * gcse.c (alloc_gcse_mem, free_gcse_mem): Likewise.
1208         * global.c (allocate_bb_info, free_bb_info, calculate_reg_pav,
1209         modify_reg_pav): Likewise.
1210         * loop-invariant.c (find_defs, find_invariant_insn,
1211         find_invariants, free_inv_motion_data): Likewise.
1212         * predict.c (tree_predict_by_opcode,
1213         estimate_bb_frequencies): Likewise.
1214         * stmt.c (expand_case): Likewise.
1215         * tree-cfg.c (tree_duplicate_sese_region): Likewise.
1216         * tree-dfa.c (mark_new_vars_to_rename): Likewise.
1217         * tree-if-conv.c (get_loop_body_in_if_conv_order): Likewise.
1218         * tree-into-ssa.c (insert_phi_nodes_for, def_blocks_free,
1219         get_def_blocks_for, mark_def_site_blocks, rewrite_into_ssa,
1220         rewrite_ssa_into_ssa): Likewise.
1221         * tree-optimize.c (tree_rest_of_compilation): Likewise.
1222         * tree-outof-ssa.c (new_temp_expr_table, free_temp_expr_table,
1223         analyze_edges_for_bb, perform_edge_inserts): Likewise.
1224         * tree-scalar-evolution.c (scev_initialize, scev_finalize): Likewise.
1225         * tree-sra.c (tree_sra): Likewise.
1226         * tree-ssa-alias.c (init_alias_info, delete_alias_info): Likewise.
1227         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
1228         * tree-ssa-dce.c (tree_dce_init, tree_dce_done): Likewise.
1229         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
1230         * tree-ssa-dse.c (tree_ssa_dse): Likewise.
1231         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_var):
1232         Likewise.
1233         * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info,
1234         calculate_live_on_entry, calculate_live_on_exit,
1235         build_tree_conflict_graph): Likewise.
1236         * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize_init, record_use,
1237         record_important_candidates, set_use_iv_cost, find_depends,
1238         determine_use_iv_costs, iv_ca_new, iv_ca_free, free_loop_data,
1239         tree_ssa_iv_optimize_finalize): Likewise.
1240         * tree-ssa-loop-manip.c (add_exit_phis_var, get_loops_exit,
1241         find_uses_to_rename_use, rewrite_into_loop_closed_ssa,
1242         tree_duplicate_loop_to_header_edge): Likewise.
1243         * tree-ssa-pre.c (init_pre, fini_pre): Likewise.
1244         * tree-ssa.c (verify_flow_insensitive_alias_info,
1245         verify_name_tags, verify_ssa, init_tree_ssa,
1246         delete_tree_ssa): Likewise.
1247         * tree-ssanames.c (marked_ssa_names, init_ssanames,
1248         fini_ssanames): Likewise.
1249         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Likewise.
1250
1251 2005-02-17  Ralf Corsepius  <ralf.corsepius@rtems.org>
1252
1253         * config/rs6000/t-rtems: Completely reworked.
1254
1255 2005-02-17  Ira Rosen  <irar@il.ibm.com>
1256
1257         * tree-data-ref.c (array_base_name_differ_p): Remove gcc_assert.
1258
1259 2005-02-17  Ira Rosen  <irar@il.ibm.com>
1260
1261         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Use
1262         POINTER_TYPE_P when checking that type is a pointer.
1263         (vect_get_memtag): Remove.
1264         (vect_address_analysis): Use POINTER_TYPE_P. Call
1265         vect_object_analysis with dummy parameter for memtag.
1266         (vect_object_analysis): Extract memtag (functionality that
1267         used to be in vect_get_memtag and moved here). Fix printings.
1268         (vect_analyze_data_refs): Fix comment. Call vect_object_analysis
1269         with correct parameters. Remove call to vect_get_memtag.
1270
1271 2005-02-17  Dorit Naishlos  <dorit@il.ibm.com>
1272
1273         * Makefile.in (tree-vect-analyze.o, tree-vect-transform.o): New.
1274         (tree-vectorizer.o): Added missing dependencies.
1275
1276         * tree-vectorizer.h (vect_dump, vect_verbosity_level): Added extern
1277         decleration.
1278         (slpeel_tree_peel_loop_to_edge): Function externalized (had a static
1279         declaration in tree-vectorizer.c, now has an extern declaration in
1280         tree-vectorizer.h).
1281         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
1282         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
1283         get_vectype_for_scalar_type, vect_is_simple_use,
1284         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
1285         vect_supportable_dr_alignment, new_loop_vec_info, destroy_loop_vec_info,
1286         new_stmt_vec_info, vect_analyze_loop, vectorizable_load,
1287         vectorizable_store, vectorizable_operation, vectorizable_assignment,
1288         vect_transform_loop, vect_print_dump_info, vect_set_verbosity_level,
1289         find_loop_location): Likewise.
1290
1291         * tree-vectorizer.c (langhooks.h): #include removed.
1292         (slpeel_tree_peel_loop_to_edge): Function externalized. Declaration
1293         moved to tree-vectorized.h.
1294         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
1295         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
1296         get_vectype_for_scalar_type, vect_is_simple_use,
1297         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
1298         vect_supportable_dr_alignment, new_loop_vec_info,
1299         destroy_loop_vec_info, new_stmt_vec_info, vect_print_dump_info,
1300         vect_set_verbosity_level, find_loop_location): Likewise.
1301
1302         (vect_analyze_loop): Function externalized. Declaration moved to
1303         tree-vectorized.h. Function definition moved to tree-vect-analyze.c.
1304         (vect_analyze_loop_form): Moved to tree-vect-analyze.c.
1305         (vect_mark_stmts_to_be_vectorized, vect_analyze_scalar_cycles,
1306         vect_analyze_data_ref_accesses, vect_analyze_data_ref_dependences,
1307         vect_analyze_data_refs_alignment, vect_compute_data_refs_alignment,
1308         vect_enhance_data_refs_alignment, vect_analyze_operations,
1309         exist_non_indexing_operands_for_use_p, vect_mark_relevant,
1310         vect_stmt_relevant_p, vect_get_loop_niters,
1311         vect_analyze_data_ref_dependence, vect_compute_data_ref_alignment,
1312         vect_analyze_data_ref_access, vect_analyze_pointer_ref_access,
1313         vect_can_advance_ivs_p, vect_get_ptr_offset, vect_analyze_offset_expr,
1314         vect_base_addr_differ_p, vect_object_analysis, vect_address_analysis,
1315         vect_get_memtag): Likewise.
1316
1317         (vectorizable_load): Function externalized. Declaration moved to
1318         tree-vectorized.h. Function definition moved to tree-vect-transform.c.
1319         (vectorizable_store, vectorizable_operation, vectorizable_assignment,
1320         vect_transform_loop): Likewise.
1321         (vect_transform_stmt): Moved to tree-vect-transform.c.
1322         (vect_align_data_ref, vect_create_destination_var,
1323         vect_create_data_ref_ptr, vect_create_index_for_vector_ref,
1324         vect_create_addr_base_for_vector_ref, vect_get_new_vect_var,
1325         vect_get_vec_def_for_operand, vect_init_vector,
1326         vect_finish_stmt_generation, vect_generate_tmps_on_preheader,
1327         vect_build_loop_niters, vect_update_ivs_after_vectorizer,
1328         vect_gen_niters_for_prolog_loop, vect_update_inits_of_dr,
1329         vect_update_inits_of_drs, vect_do_peeling_for_alignment,
1330         vect_do_peeling_for_loop_bound): Likewise.
1331
1332         * tree-vect-analyze.c: New file.
1333         * tree-vect-transform.c: New file.
1334
1335 2005-02-17  Jason Merrill  <jason@redhat.com>
1336
1337         PR mudflap/19319, c++/19317
1338         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Make return
1339         slot explicit.
1340
1341 2005-02-17  Gerald Pfeifer  <gerald@pfeifer.com>
1342
1343         * doc/install.texi (Specific): Update link for Darwin-specific
1344         tool binary site.
1345
1346 2005-02-16  James A. Morrison  <phython@gcc.gnu.org>
1347
1348         * fold-const.c (invert_truthvalue): <INTEGER_CST>: Call
1349         constant_boolean_node.
1350
1351 2005-02-16  David Edelsohn  <edelsohn@gnu.org>
1352
1353         PR target/19019
1354         * config/rs6000/t-aix43 (SHLIB_MAPFILES): Add libgcc-ppc64.ver.
1355         * config/rs6000/t-aix52 (SHLIB_MAPFILES): Same.
1356
1357 2005-02-16  Richard Henderson  <rth@redhat.com>
1358
1359         PR 19920
1360         * libgcc2.c (WORD_SIZE): Remove all definitions; replace uses
1361         with W_TYPE_SIZE.
1362         (HIGH_WORD_COEFF, HIGH_HALFWORD_COEFF): Remove all definitions;
1363         replace uses with Wtype_MAXp1_F.
1364         (L_fixunstfdi, L_fixtfdi, L_floatditf, L_fixunsxfdi, L_fixxfdi,
1365         L_floatdixf, L_fixunsxfsi, L_fixunsdfdi, L_floatdidf, L_fixunsdfsi,
1366         L_powidf2, L_powixf2, L_powitf2, L_muldc3, L_divdc3, L_mulxc3,
1367         L_divxc3, L_multc3, L_divtc3): Protect with HAVE_DFMODE, HAVE_XFMODE,
1368         and HAVE_TFMODE as appropriate.
1369         (__fixunssfDI): Provide an implementation that doesn't need DFmode.
1370         (__floatdisf): Likewise.
1371         * libgcc2.h (LIBGCC2_DOUBLE_TYPE_SIZE): New.
1372         (HAVE_DFMODE, HAVE_XFMODE, HAVE_TFMODE): New.
1373         (Wtype_MAXp1_F): New.
1374         (DFtype, DCtype, __fixdfdi, __floatdidf, __fixunsdfSI, __fixunsdfDI,
1375         __powidf2, __divdc3, __muldc3): Protect with HAVE_DFMODE.
1376
1377 2005-02-16  Richard Earnshaw  <rearnsha@arm.com>
1378
1379         * PR target/19162
1380         * arm.c (arm_apply_result_size): New function.
1381         * arm.h (APPLY_RESULT_SIZE): Define.
1382         * arm-protos.h (arm_apply_result_size): Add prototype.
1383         * arm.md (RO_REGNUM, FPA_F0_REGNUM, FPA_F7_REGNUM): New constants.
1384         (movxf): New expand.
1385         (ldmsi_postinc4_thumb, stmsi_postinc4_thumb): New patterns for Thumb.
1386         (call_value_symbol): Remove predicate for operand 0.
1387         (call_value_insn, sibcall_value, sibcall_value_insn): Likewise.
1388         (untyped_call): Rework to correclty return values for any type.
1389         (untyped_return): New expand.
1390         * fpa.md (movxf_fpa): Simplify and use sfm/lfm when appropriate.
1391
1392 2005-02-16  Stan Shebs  <shebs@apple.com>
1393
1394         * config.gcc (powerpc-*-darwin*): Use fragment for Darwin 8 or later.
1395         * config/rs6000/t-darwin8: New, for 64-bit multilib.
1396
1397 2005-02-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
1398
1399         * doc/install.texi (sparc-sun-solaris2*): Document required GMP
1400         configure settings on Solaris 7 and later.
1401
1402 2005-02-16  Diego Novillo  <dnovillo@redhat.com>
1403
1404         PR tree-optimization/19865
1405         * tree-optimize.c (init_tree_optimization_passes): Run
1406         pass_may_alias after pass_sra.
1407
1408 2005-02-16  Richard Henderson  <rth@redhat.com>
1409             Stuart Hastings  <stuart@apple.com>
1410
1411         PR debug/19521
1412         * dbxout.c (dbxout_function_end): Take decl parameter; update callers.
1413         Do nothing if debug info suppressed for this function.
1414         (dbxout_begin_function): Early exit if debug info suppressed for
1415         this function.
1416
1417 2005-02-16  Kazu Hirata  <kazu@cs.umass.edu>
1418
1419         PR target/20007
1420         * config/ip2k/ip2k.c (ip2k_reorg): Adjust calls to
1421         find_basic_blocks.
1422         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
1423
1424         PR tree-optimization/19967
1425         * builtins.c (expand_builtin_strstr, expand_builtin_strpbrk,
1426         expand_builtin_strchr, expand_builtin_strrchr): Take a new
1427         argument TYPE.  Adjust calls to fold_builtin_XXX.
1428         (expand_builtin, fold_builtin_1): Adjust calls to
1429         expand_builtin_XXX.
1430         (fold_builtin_strchr, fold_builtin_strpbrk,
1431         fold_builtin_strstr, fold_builtin_strrchr): Convert the folded
1432         result to a requested type TYPE.
1433
1434 2005-02-16  Jakub Jelinek  <jakub@redhat.com>
1435
1436         PR middle-end/19857
1437         * fold-const.c (fold): Don't optimize (T)(x & cst) to
1438         (T)x & (T)cst if (T)cst overflows.
1439         * convert.c (convert_to_integer) <case POINTER_TYPE>: Pass
1440         TYPE_UNSIGNED (type) as type_for_size's UNSIGNEDP argument.
1441
1442 2005-02-15  Jeff Law  <law@redhat.com>
1443
1444         * gcse.c (blocks_with_calls): New bitmap.
1445         (alloc_gcse_mem): Allocate it.
1446         (free_gcse_mem): Free it.
1447         (clear_modifY_mem_tables): Clear it.
1448         (record_last_mem_set_info): Set the proper bit in BLOCK_WITH_CALLS
1449         when we encounter CALL_INSNs.
1450         (compute_transp, case MEM): Handle blocks with calls separate
1451         from blocks without calls.  Use bitmap iterators rather than
1452         FOR_EACH_BB.
1453
1454 2005-02-15  Peter O'Gorman  <peter@pogma.com>
1455
1456         PR bootstrap/18810
1457         * mklibgcc.in (vis_hide): Use a temporary object file, not
1458         -o /dev/null.
1459
1460 2005-02-15  Andy Hutchinson  <HutchinsonAndy@netscape.net>
1461
1462         PR target/19924
1463         * config/avr/avr.h (MODES_TIEABLE_P): Define to 1 to allow subreg
1464         access optimization.
1465
1466 2005-02-15  David Edelsohn  <edelsohn@gnu.org>
1467             Alan Modra  <amodra@bigpond.net.au>
1468
1469         PR target/19019
1470         * config/rs6000/darwin-ldouble.c (_xlqadd): Rename to __gcc_qadd.
1471         (_xlqsub): Rename to __gcc_qsub.
1472         (_xlqmul): Rename to __gcc_qmul.
1473         (_xlqdiv): Rename to __gcc_qdiv.
1474         Provide versioned symbol aliases with old names.
1475         * config/rs6000/libgcc-ppc64.ver: Rename symbols.
1476         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Rename symbols.
1477         * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): New.
1478         * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): New.
1479         * config/rs6000/t-newas (LIB2FUNCS_EXTRA): New.
1480
1481 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
1482
1483         * fold-const.c (fold): Fold -(~A) to A + 1.  Fold ~(-A) to A - 1.
1484         Fold ~(A - 1) and ~(A + -1) to -A.
1485
1486 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
1487
1488         PR pch/14940
1489         PR target/19300
1490         * config/host-linux.c (linux_gt_pch_use_address): Copy from
1491         config/pa/pa-host.c:pa_gt_pch_use_address.
1492
1493 2005-02-15  Daniel Berlin  <dberlin@dberlin.org>
1494
1495         * tree-vn.c (get_value_handle): Make sure that given an
1496         is_gimple_min_invariant expression, we always return it.
1497
1498 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
1499
1500         * passes.c (rest_of_handle_gcse): Fix a comment.
1501
1502 2005-02-15  Jeff Law  <law@redhat.com>
1503
1504         * gcse.c (canon_modify_mem_set_list_set): Kill unnecessary
1505         bitmap.
1506         (alloc_gcse_mem, free_gcse_mem): Corresponding changes.
1507         (canon_list_insert, record_last_mem_set_info): Similarly.
1508         (clear_modify_mem_tables): Similarly.
1509
1510 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
1511
1512         * bitmap.c, bitmap.h, lambda-code.c, tree-dfa.c, tree-dump.c,
1513         tree-dump.h, tree-ssa-loop-manip.c, value-prof.c,
1514         config/mips/mips.md, config/rs6000/aix.h,
1515         config/rs6000/beos.h, config/rs6000/sysv4.h: Update copyright.
1516
1517 2005-02-15  Richard Henderson  <rth@redhat.com>
1518
1519         * bb-reorder.c (find_traces_1_round): Force fallthru edge from a
1520         call to be best_edge.
1521
1522 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
1523
1524         * basic-block.h: Adjust the prototype for find_basic_blocks.
1525         * cfgbuild.c (find_basic_blocks): Remove unused arguments.
1526         * passes.c (rest_of_handle_loop_optimize): Adjust the call to
1527         find_basic_blocks.
1528
1529         * flow.c (recompute_reg_usage): Remove all arguments.
1530         * passes.c (rest_of_compilation): Adjust the call to
1531         recompute_reg_usage.
1532         * rtl.h: Adjust the prototype for recompute_reg_usage.
1533
1534 2005-02-14  Daniel Berlin  <dberlin@dberlin.org>
1535
1536         * tree-dump.c (dump_files): Update to reflect new member
1537         of dump_file_info.
1538         (dump_register): Add new argument.
1539         Set glob name.
1540         (dump_switch_p_1): Check against glob name if doglob was passed.
1541         (dump_switch_p): Check against regular first, then glob if
1542         we didn't have any hits on the dump name.
1543         * tree-optimize.c (register_one_dump_file):
1544         Pass in glob name as well.
1545         * tree-pass.h (struct dump_file_info): Add glob
1546         member.
1547
1548 2005-02-14  Joseph S. Myers  <joseph@codesourcery.com>
1549
1550         PR preprocessor/16323
1551         * doc/invoke.texi: Document that -Wendif-labels is on by default.
1552
1553 2005-02-14  David Edelsohn  <edelsohn@gnu.org>
1554
1555         PR target/19019
1556         * config/rs6000/rs6000.md (trunctfdf2): Change to define_expand.
1557         (trunctfdf2_internal1): New.
1558         (trunctfdf2_internal2): Renamed from trunctfdf2.
1559
1560 2005-02-14  Diego Novillo  <dnovillo@redhat.com>
1561
1562         PR tree-optimization/19853
1563         * tree-dfa.c (add_referenced_var): Always examine DECL_INITIAL.
1564
1565 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
1566
1567         * passes.c (rest_of_handle_loop_optimize): Remove calls to
1568         delete_dead_jumptables and cleanup_cfg.
1569
1570 2005-02-14  Ulrich Weigand  <uweigand@de.ibm.com>
1571
1572         * reload.c (find_reloads): Swap address_reloaded flags when
1573         swapping commutative operands.
1574
1575 2005-02-14  Sebastian Pop  <pop@cri.ensmp.fr>
1576
1577         * lambda-code.c (lambda_loopnest_to_gcc_loopnest, perfect_nestify):
1578         Use standard_iv_increment_position for computing the bsi position
1579         for create_iv.
1580         * tree-ssa-loop-manip.c (create_iv): Add a comment on how to compute
1581         the bsi position.
1582
1583 2005-02-13  Zdenek Dvorak  <dvorakz@suse.cz>
1584
1585         PR target/17428
1586         * cfgrtl.c (safe_insert_insn_on_edge): Avoid extending
1587         life range of hard registers.
1588         * value-prof.c (insn_prefetch_values_to_profile): Only
1589         scan normal insns.
1590
1591         * value-prof.c (rtl_find_values_to_profile): Do not look for values to
1592         profile in libcalls.
1593
1594 2005-02-13  Nathan Sidwell  <nathan@codesourcery.com>
1595
1596         * bitmap.h (bitmap_and_compl_into): Return bool.
1597         * bitmap.c (bitmap_and_compl_into): Return changed flag.
1598
1599 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
1600
1601         PR tree-optimization/19944
1602         * fold-const.c (fold): Re-add ABS_EXPR folding.
1603
1604 2005-02-13  David Edelsohn  <edelsohn@gnu.org>
1605
1606         PR target/19019
1607         * config/rs6000/aix.h ({TARGET,MASK}_XL_CALL): Rename to
1608         {TARGET,MASK}_XL_COMPAT.
1609         (SUBTARGET_SWITCHES): Rename xl-call to xl-compat.  Use
1610         MASK_XL_COMPAT.
1611         * config/rs6000/beos.h ({TARGET,MASK}_XL_CALL): Remove.
1612         * config/rs6000/rs6000.c (function_arg): Change TARGET_XL_CALL to
1613         TARGET_XL_COMPAT.
1614         (rs6000_arg_partial_bytes): Same.
1615         (rs6000_generate_compare): Generate PARALLEL for compare if TFmode
1616         and XL compatibility enabled.
1617         * config/rs6000/rs6000.h (TARGET_XL_CALL): Rename to TARGET_XL_COMPAT.
1618         * config/rs6000/rs6000.md (cmptf_internal1): Add !TARGET_XL_COMPAT
1619         test to final condition.
1620         (cmptf_internal2): New.
1621         * doc/invoke.texi (RS/6000 Subtarget Options): Change xl-call to
1622         xl-compat.  Add TFmode information to description.
1623
1624 2005-02-13  Kazu Hirata  <kazu@cs.umass.edu>
1625
1626         * flags.h, read-rtl.c, tree-ssa-live.h: Update copyright.
1627
1628 2005-02-13  Jason Merrill  <jason@redhat.com>
1629
1630         PR c++/16405
1631         * fold-const.c (fold_indirect_ref_1): Split out from...
1632         (build_fold_indirect_ref): Here.
1633         (fold_indirect_ref): New fn.
1634         * tree.h: Declare it.
1635         * gimplify.c (gimplify_compound_lval): Call fold_indirect_ref.
1636         (gimplify_modify_expr_rhs): Likewise.
1637         (gimplify_expr): Likewise.
1638
1639 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
1640
1641         PR tree-optimization/14303
1642         PR tree-optimization/15784
1643         * fold-const.c (fold): Fold ABS_EXPR<x> >= 0 to true, when possible.
1644         Fold ABS_EXPR<x> < 0 to false.  Fold ABS_EXPR<x> == 0 to x == 0 and
1645         ABS_EXPR<x> != 0 to x != 0.
1646
1647 2005-02-12  Kazu Hirata  <kazu@cs.umass.edu>
1648
1649         * c-tree.h, combine.c, expmed.c, flow.c, libgcc2.c,
1650         simplify-rtx.c, tree-ssa-live.h: Fix comment typos.  Follow
1651         spelling conventions.
1652
1653         * passes.c (rest_of_handle_gcse): Don't run cse_main and
1654         delete_trivially_dead_insns too many times.
1655
1656         * passes.c (rest_of_handle_gcse): Remove dead assignments to
1657         tem and tem2.
1658
1659 2005-02-12  Ira Rosen  <irar@il.ibm.com>
1660
1661         * tree-vectorizer.c (vect_get_base_and_offset): Remove.
1662         (vect_is_simple_iv_evolution): Remove redundant parameter
1663         and step check.
1664         (vect_analyze_scalar_cycles): Call vect_is_simple_iv_evolution
1665         without last parameter.
1666         (vect_analyze_pointer_ref_access): Get access_fn as parameter.
1667         Return pointer step. Call vect_is_simple_iv_evolution without
1668         last parameter. Check only that the step is multiple of size
1669         type. Remove stmt_vinfo updates.
1670         (vect_get_memtag_and_dr): Remove.
1671         (vect_get_memtag): New function.
1672         (vect_address_analysis): New function.
1673         (vect_object_analysis): New function.
1674         (vect_analyze_data_refs): Call vect_object_analysis and
1675         vect_get_memtag. Update stmt_vinfo fields.
1676
1677 2005-02-12  Ira Rosen  <irar@il.ibm.com>
1678
1679         * tree-data-ref.c (array_base_name_differ_p): Check that the bases
1680         exist and are objects. Remove checks for pointer.
1681         * tree-vectorizer.c (vect_create_addr_base_for_vector_ref): Use
1682         STMT_VINFO_VECT_DR_BASE_ADDRESS instead of DR_BASE_NAME.
1683         (vect_create_data_ref_ptr): Likewise.
1684         (vect_base_addr_differ_p): New function.
1685         (vect_analyze_data_ref_dependence): Call vect_base_addr_differ_p.
1686         (vect_analyze_pointer_ref_access): Add output parameter - ptr_init.
1687         Don't set the DR_BASE_NAME field of data-ref.
1688         (vect_get_memtag_and_dr): Use ptr_init instead of DR_BASE_NAME.
1689
1690 2005-02-12  Uros Bizjak  <uros@kss-loka.si>
1691
1692         * optabs.h (enum optab_index): Add new OTI_ldexp.
1693         (ldexp_optab): Define corresponding macro.
1694         * optabs.c (init_optabs): Initialize ldexp_optab.
1695         * genopinit.c (optabs): Implement ldexp_optab using ldexp?f3
1696         patterns.
1697         * builtins.c (expand_builtin_mathfn_2): Handle BUILT_IN_LDEXP{,F,L}
1698         using ldexp_optab.
1699         (expand_builtin): Expand BUILT_IN_LDEXP{,F,L} using
1700         expand_builtin_mathfn_2 if flag_unsafe_math_optimizations is set.
1701
1702         * config/i386/i386.md (ldexpsf3, ldexpdf3, ldexpxf3): New expanders
1703         to implement ldexpf, ldexp and ldexpl built-ins as inline x87
1704         intrinsics.
1705
1706 2005-02-12  Ira Rosen  <irar@il.ibm.com>
1707
1708         * tree-vectorizer.h (struct _stmt_vec_info): Rename a field: base
1709         to base_address.
1710         * tree-vectorizer.c (new_stmt_vec_info): Rename the above field of
1711         stmt_vec_info.
1712         (vect_get_base_and_offset): Always return an address.
1713         (vect_create_addr_base_for_vector_ref): Remove treatment for
1714         different data reference types.
1715         (vect_compute_data_ref_alignment): Rename base to base_address in
1716         stmt_vec_info. Get the object in order to force its alignment.
1717         (vect_get_memtag_and_dr): Rename base to base_address in
1718         stmt_vec_info. Extract the object for memtag analysis.
1719
1720 2005-02-12  Hans-Peter Nilsson  <hp@axis.com>
1721
1722         PR regression/19898.
1723         * config/cris/cris.c (cris_notice_update_cc): When testing if insn
1724         changes cc_status, use apply modified_in_p to part of cc_status
1725         and insn, not cris_reg_overlap_mentioned_p on SET_DEST of insn
1726         body.
1727
1728 2005-02-11  Richard Henderson  <rth@redhat.com>
1729
1730         * tree-complex.c (expand_complex_libcall): New.
1731         (expand_complex_multiplication): Use it for c99 compliance.
1732         (expand_complex_division): Likewise.
1733         * fold-const.c (fold_complex_add, fold_complex_mult): New.
1734         (fold): Call them.
1735         * builtins.c (built_in_names): Remove const.
1736         * tree.c (build_common_builtin_nodes): Build complex arithmetic
1737         builtins.
1738         * tree.h (BUILT_IN_COMPLEX_MUL_MIN, BUILT_IN_COMPLEX_MUL_MAX): New.
1739         (BUILT_IN_COMPLEX_DIV_MIN, BUILT_IN_COMPLEX_DIV_MAX): New.
1740         (built_in_names): Remove const.
1741         * c-common.c (c_common_type_for_mode): Handle complex modes.
1742         * flags.h, toplev.c (flag_complex_method): Rename from
1743         flag_complex_divide_method.
1744         * libgcc2.c (__divsc3, __divdc3, __divxc3, __divtc3,
1745         __mulsc3, __muldc3, __mulxc3, __multc3): New.
1746         * libgcc2.h: Declare them.
1747         * libgcc-std.ver: Export them.
1748         * mklibgcc.in (lib2funcs): Build them.
1749
1750 2005-02-11  Steven Bosscher  <stevenb@suse.de>
1751
1752         PR tree-optimization/19876
1753         Partially revert my change from 2005-01-14
1754         * tree-ssa-pre.c (compute_antic_aux): Make recursive once again...
1755         (compute_antic): ...and remove the loop here.
1756
1757 2005-02-11  Jakub Jelinek  <jakub@redhat.com>
1758
1759         PR middle-end/19858
1760         * fold-const.c (make_bit_field_ref): If bitpos == 0 and bitsize
1761         is number of inner's bits, avoid creating a BIT_FIELD_REF.
1762
1763         * config/rs6000/sysv4.h (ENDFILE_LINUX_SPEC): Use crtendS.o instead of
1764         crtend.o if -pie.  Use %{x:a;:b} spec syntax.
1765
1766 2005-02-11  Daniel Jacobowitz  <dan@codesourcery.com>
1767
1768         * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
1769         offsets for the big-endian 32-bit case.
1770
1771 2005-02-11  Joseph S. Myers  <joseph@codesourcery.com>
1772
1773         * config/ia64/hpux.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
1774
1775 2005-02-11  Dale Johannesen  <dalej@apple.com>
1776
1777         * cselib.c (cselib_process_insn):  Clear out regs where
1778         HARD_REGNO_CALL_PART_CLOBBERED is true at a call.
1779         * reload.c (find_equiv_reg): Ditto.
1780
1781 2005-02-11  Ian Lance Taylor  <ian@airs.com>
1782
1783         * read-rtl.c (read_rtx_1): Give fatal error if we see a vector
1784         with no elements.
1785
1786         * tree.c (build_function_type_list): Work correctly if there are
1787         no arguments.
1788
1789 2005-02-11  Ulrich Weigand  <uweigand@de.ibm.com>
1790
1791         * config/s390/s390.md ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs",
1792         "*cmpsi_ccs"): Use %h instead of %c to print immediate operand.
1793         ("*zero_extendhisi2_64", "*zero_extendhisi2_31"): Choose based on
1794         TARGET_ZARCH instead of TARGET_64BIT.
1795
1796 2005-02-11  Ralf Corsepius  <ralf.corsepius@rtems.org>
1797
1798         * config/rs6000/t-rtems:
1799         (MULTILIB_OPTIONS): Remove mcpu=602.
1800         (MUTLILIB_DIRNAMES): Remove m602.
1801         (MULTILIB_MATCHES): Add ${MULTILIB_MATCHES_FLOAT}.
1802         Let mcpu=602 match mcpu=603.
1803         (MULTILIB_NEW_EXCEPTIONS_ONLY): Add mcpu=601, mcpu=602, mcpu=m603.
1804
1805 2005-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1806
1807         * pa/linux-unwind.h (pa32_fallback_frame_state): Handle misaligned
1808         signal trampolines.
1809
1810 2005-02-10  David Daney  <ddaney@avtrex.com>
1811
1812         * config/alpha/linux-unwind.h: Add exception clause to copyright.
1813         * config/i386/linux-unwind.h: Likewise.
1814         * config/ia64/linux-unwind.h: Likewise.
1815         * config/mips/linux-unwind.h: Likewise.
1816         * config/pa/linux-unwind.h: Likewise.
1817         * config/rs6000/linux-unwind.h: Likewise.
1818         * config/s390/linux-unwind.h: Likewise.
1819         * config/sh/linux-unwind.h: Likewise.
1820         * config/sparc/linux-unwind.h: Likewise.
1821
1822 2005-02-10  Steven Bosscher  <stevenb@suse.de>
1823
1824         PR tree-optimization/17549
1825         * tree-outof-ssa.c (find_replaceable_in_bb): Do not allow
1826         TER to replace a DEF with its expression if the DEF and the
1827         rhs of the expression we replace into have the same root
1828         variable.
1829
1830 2005-02-10  Richard Sandiford  <rsandifo@redhat.com>
1831
1832         * config/mips/mips.md: Fix the placement of the match_scratch in the
1833         lea64 peephole2.
1834
1835 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
1836
1837         * cse.c, tree-ssa-loop-ivopts.c, config/rs6000/linux-unwind.h:
1838         Fix comment typos.
1839
1840 2005-02-10  Zdenek Dvorak  <dvorakz@suse.cz>
1841
1842         * tree-ssa-loop-ivopts.c (determine_base_object): Ignore casts.
1843         (strip_offset): Handle addresses.
1844         (add_address_candidates): Use strip_offset.
1845         (difference_cost): Reflect strip_offset change.
1846         (force_var_cost, difference_cost): Strip nops.
1847
1848 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
1849
1850         * df.h (DF_REF_MODE_CHANGE, DF_REF_MEM_OK): Remove.
1851
1852         * builtins.def, haifa-sched.c, libgcc2.c, libgcc2.h,
1853         tree-ssa-loop-ivcanon.c, tree-ssa-loop-niter.c,
1854         config/cris/cris-protos.h, config/cris/cris.c: Update
1855         copyright.
1856
1857 2005-02-10  Jeff Law  <law@redhat.com>
1858
1859         * tree-ssa-dom.c (thread_across_edge): Use xmalloc, not xcalloc.
1860         (lookup_avail_expr): Similarly.
1861
1862 2005-02-10  Richard Guenther  <rguenth@gcc.gnu.org>
1863
1864         * builtins.c (fold_builtin_powi): New function.
1865         (fold_builtin_1): Call it.
1866
1867 2005-02-10  Steven Bosscher  <stevenb@suse.de>
1868
1869         PR documentation/19309
1870         * doc/cpp.texi: The __GNUC__ and related predefined macros
1871         are also defined for the "standalone" cpp.
1872         Some non-GCC compilers may also define __GNUC__.
1873
1874 2005-02-10  Jakub Jelinek  <jakub@redhat.com>
1875
1876         PR c/19342
1877         * c-typeck.c (common_type): New routine.  Old common_type renamed
1878         to...
1879         (c_common_type): ...this.
1880         (build_conditional_expr, build_binary_op): Use c_common_type instead
1881         of common_type.
1882
1883 2005-02-10  Steven Bosscher  <stevenb@suse.de>
1884
1885         * doc/md.texi: Replace @samp{length} with @code{length}.
1886
1887 2005-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
1888
1889         PR tree-optimization/18687
1890         * tree-flow.h (find_loop_niter): Declare.
1891         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
1892         Try using scev even for loops with more than one exit.
1893         * tree-ssa-loop-ivopts.c (struct loop_data): Removed niter field.
1894         (struct ivopts_data): Added niters field.
1895         (struct nfe_cache_elt): New.
1896         (nfe_hash, nfe_eq, niter_for_exit, niter_for_single_dom_exit): New
1897         functions.
1898         (tree_ssa_iv_optimize_init): Initialize niters cache.
1899         (determine_number_of_iterations): Removed.
1900         (find_induction_variables): Do not call determine_number_of_iterations.
1901         Access niters for single exit through niter_for_single_dom_exit.
1902         (add_iv_outer_candidates): Access niters for single exit through
1903         niter_for_single_dom_exit.
1904         (may_eliminate_iv): Take data argument.  Use niter_for_exit.  Do not use
1905         number_of_iterations_cond.
1906         (iv_period): New function.
1907         (determine_use_iv_cost_condition): Pass data to may_eliminate_iv.
1908         (may_replace_final_value): Take data argument.  Use
1909         niter_for_single_dom_exit.
1910         (determine_use_iv_cost_outer): Pass data to may_replace_final_value.
1911         (rewrite_use_compare): Pass data to may_eliminate_iv.
1912         (rewrite_use_outer): Pass data to may_replace_final_value.
1913         (free_loop_data): Clean up the niters cache.
1914         (tree_ssa_iv_optimize_finalize): Free the niters cache.
1915         (tree_ssa_iv_optimize_loop): Do not call loop_commit_inserts.
1916         * tree-ssa-loop-niter.c (find_loop_niter): New function.
1917         (find_loop_niter_by_eval): Use tree_int_cst_lt.
1918         (num_ending_zeros): Moved to tree.c.
1919         * tree.h (num_ending_zeros): Declare.
1920         * tree.c (num_ending_zeros): Moved from tree.c.
1921
1922 2005-02-09  Richard Henderson  <rth@redhat.com>
1923
1924         * builtins.c (DEF_BUILTIN): Add COND argument.
1925         * tree.h (DEF_BUILTIN): Likewise.
1926         * builtins.def (DEF_GCC_BUILTIN, DEF_LIB_BUILTIN, DEF_EXT_LIB_BUILTIN,
1927         DEF_C94_BUILTIN, DEF_C99_BUILTIN, DEF_C99_C90RES_BUILTIN): Update to
1928         match.
1929         (DEF_BUILTIN_STUB): New.
1930         (BUILT_IN_STACK_SAVE, BUILT_IN_STACK_RESTORE, BUILT_IN_INIT_TRAMPOLINE,
1931         BUILT_IN_ADJUST_TRAMPOLINE, BUILT_IN_NONLOCAL_GOTO,
1932         BUILT_IN_PROFILE_FUNC_ENTER, BUILT_IN_PROFILE_FUNC_EXIT): Use it.
1933         * c-common.c (DEF_BUILTIN): Add COND argument.
1934         * tree.c (local_define_builtin): New.
1935         (build_common_builtin_nodes): New.
1936
1937 2005-02-09  Roger Sayle  <roger@eyesopen.com>
1938
1939         * fold-const.c (fold_strip_sign_ops): New function to simplify a
1940         floating point expression ignoring the sign of the result.
1941         (fold) <ABS_EXPR>: Use it to simplify fabs(x).
1942         (fold) <MULT_EXPR>: Use it to simplify x*x.
1943         * tree.h (fold_strip_sign_ops): Prototype here.
1944         * builtins.c (fold_builtin_copysign): Take an additional FNDECL
1945         argument.  Use fold_strip_sign_ops to simplify the first argument.
1946         (fold_builtin_pow):  Use fold_strip_sign_ops to simplify the
1947         first argument when the second argument is an even integer
1948         constant, but only with -funsafe_math_optimizations.
1949         (fold_builtin_1): Update call to fold_builtin_copysign.
1950
1951 2005-02-09  Ian Lance Taylor  <ian@airs.com>
1952
1953         PR middle-end/19583
1954         * gimple-low.c (try_catch_may_fallthru): In EH_FILTER_EXPR case,
1955         just check whether EH_FILTER_FAILURE falls through.
1956
1957 2005-02-09  Andreas Krebbel  <krebbel1@de.ibm.com>
1958
1959         * gcc/haifa-sched.c (schedule_block): Make queued sched group
1960         insns return to ready list in the next turn.
1961
1962 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
1963
1964         PR middle-end/19402
1965         * builtins.def: New __builtin_powi[lf].
1966         * builtins.c (mathfn_built_in): Handle BUILT_IN_POWI.
1967         (expand_builtin_powi): New function.
1968         (expand_builtin): Dispatch to expand_builtin_powi.
1969         * libgcc2.h: Add prototypes for __builtin_powi[lf].
1970         * libgcc2.c: Add __builtin_powi[lf] implementation.
1971         * mklibgcc.in: Add __builtin_powi[lf] to lib2funcs.
1972         * optabs.h: Add powi_optab.
1973         * optabs.c (init_optabs): Initialize powi_optab.
1974         * doc/extend.texi: Document __builtin_powi[lf].
1975
1976 2005-02-09  Dorit Naishlos  <dorit@il.ibm.com>
1977
1978         * tree-vectorizer.c (vect_set_dump_settings): Check that dump_file
1979         exists.
1980
1981 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
1982
1983         PR middle-end/19854
1984         * fold-const.c (try_move_mult_to_index): Remove redundant
1985         type argument.  Create ADDR_EXPR with correct type.
1986         (fold): Update callers of try_move_mult_to_index.  Convert
1987         result to the appropriate type.
1988
1989 2005-02-09  Roger Sayle  <roger@eyesopen.com>
1990
1991         PR target/19597
1992         * config/avr/avr.c (default_rtx_costs): Delete.
1993         (avr_operand_rtx_cost): New function.
1994         (avr_rtx_costs): Completely rewrite.
1995
1996 2005-02-08  Hans-Peter Nilsson  <hp@axis.com>
1997
1998         PR target/19806
1999         * config/cris/cris.c (in_code): New variable.
2000         (cris_output_addr_const): Now a static function, a wrapper for
2001         output_addr_const.
2002         (cris_asm_output_symbol_ref): New function, broken out SYMBOL_REF
2003         case from old cris_output_addr_const.
2004         (cris_asm_output_label_ref): Similar for LABEL_REF.
2005         (cris_output_addr_const_extra): Similar for UNSPEC.
2006         * config/cris/cris.h (OUTPUT_ADDR_CONST_EXTRA)
2007         (ASM_OUTPUT_SYMBOL_REF, ASM_OUTPUT_LABEL_REF): Define.
2008         * config/cris/cris-protos.h (cris_output_addr_const): Remove
2009         declaration.
2010         (cris_asm_output_symbol_ref, cris_output_addr_const_extra)
2011         (cris_asm_output_label_ref): Declare.
2012
2013 2005-02-08  Paolo Bonzini  <bonzini@gnu.org>
2014
2015         PR preprocessor/19801
2016         * doc/cppinternals.texi (Conventions, Lexer, Files): Adjust
2017         filenames that changed when libcpp was moved to the toplevel.
2018
2019 2005-02-07  Roger Sayle  <roger@eyesopen.com>
2020
2021         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
2022         zero extensions of BImode operands.  Call lowpart_subreg instead
2023         of gen_lowpart_common and gen_lowpart_SUBREG.
2024
2025 2005-02-07  Nathanael Nerode  <neroden@gcc.gnu.org>
2026
2027         PR ada/19489
2028         * libada-mk.in: Use cc_for_cross_gnattools, not cc_set_by_configure.
2029         * configure.ac: Set cc_for_cross_gnattools.
2030         * configure: Regenerate.
2031
2032 2005-02-08  Alan Modra  <amodra@bigpond.net.au>
2033
2034         PR target/19803
2035         * predict.c (PROB_VERY_UNLIKELY): Use 1% instead of 10%.
2036
2037 2005-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
2038
2039         PR debug/19327
2040         * dbxout.c (dbxout_symbol) <FUNCTION_DECL>: Skip inline instance
2041         of nested functions.
2042
2043 2005-02-07  Jonathan Wakely  <redi@gcc.gnu.org>
2044
2045         * doc/extend.texi: Document deprecated extensions allowing
2046         static floating-point members to have initializers and allowing
2047         floating-point literals in integral constant expressions.
2048
2049 2005-02-07  Kazu Hirata  <kazu@cs.umass.edu>
2050
2051         * cfgcleanup.c, df.h, diagnostic.c, rtl.c, tree-vectorizer.h,
2052         config/darwin7.h, config/mips/mips.c,
2053         config/rs6000/altivec.md, config/rs6000/darwin-tramp.asm:
2054         Update copyright.
2055
2056         * cse.c: Update comments.
2057
2058 2005-02-07  Richard Guenther  <rguenth@gcc.gnu.org>
2059
2060         PR middle-end/19775
2061         * builtins.c (fold_builtin_sqrt): Transform
2062         sqrt(pow(x,y)) to pow(fabs(x),y*0.5), not
2063         pow(x,y*0.5).
2064
2065 2005-02-07  Leehod Baruch  <leehod@il.ibm.com>
2066             Dorit Naishlos  <dorit@il.ibm.com>
2067
2068         * doc/invoke.texi (ftree-vectorizer-verbose): New.
2069         * opts.c (OPT_ftree_vectorizer_verbose_): New case for switch.
2070         * common.opt (ftree-vectorizer-verbose): New Flag for the vectorizer
2071         was added.
2072         * tree.h (vect_set_verbosity_level): New extern function declaration
2073         added.
2074         * tree-vectorizer.h (verbosity_levels): New enum type.
2075         * tree-vectorizer.c (vect_debug_stats): Function removed.
2076         (vect_debug_details): Likewise.
2077         (vect_verbosity_level): Global variable was defined and initialized.
2078         (vect_dump): Global variable definition.
2079         (vect_print_dump_info): New function.
2080         (vect_set_dump_settings): New function.
2081         (vect_set_verbosity_level): New function.
2082         (vectorize_loops): Add call to vect_set_dump_settings.
2083
2084         (slpeel_make_loop_iterate_ntimes): Dump condition was changed.
2085         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
2086         (slpeel_tree_peel_loop_to_edge): Likewise.
2087
2088         (vect_analyze_offset_expr): Call to vect_print_dump_info with
2089         appropriate verbosity level instead of call to vect_debug_details
2090         or vect_debug_stats.
2091         (vect_get_base_and_offset):
2092         (vect_create_addr_base_for_vector_ref):
2093         (get_vectype_for_scalar_type):
2094         (vect_create_data_ref_ptr):
2095         (vect_init_vector):
2096         (vect_get_vec_def_for_operand):
2097         (vect_finish_stmt_generation):
2098         (vectorizable_assignment):
2099         (vectorizable_operation):
2100         (vectorizable_store):
2101         (vectorizable_load):
2102         (vect_transform_stmt):
2103         (vect_update_ivs_after_vectorizer):
2104         (vect_do_peeling_for_loop_bound):
2105         (vect_update_inits_of_drs):
2106         (vect_do_peeling_for_alignment):
2107         (vect_transform_loop):
2108         (vect_is_simple_use):
2109         (vect_analyze_operations):
2110         (vect_is_simple_iv_evolution):
2111         (vect_analyze_scalar_cycles):
2112         (vect_analyze_data_ref_dependence):
2113         (vect_analyze_data_ref_dependences):
2114         (vect_compute_data_ref_alignment):
2115         (vect_enhance_data_refs_alignment):
2116         (vect_analyze_data_refs_alignment):
2117         (vect_analyze_data_ref_access):
2118         (vect_analyze_data_ref_accesses):
2119         (vect_analyze_pointer_ref_access):
2120         (vect_get_memtag_and_dr):
2121         (vect_analyze_data_refs):
2122         (vect_mark_relevant):
2123         (vect_stmt_relevant_p):
2124         (vect_mark_stmts_to_be_vectorized):
2125         (vect_can_advance_ivs_p):
2126         (vect_get_loop_niters):
2127         (vect_analyze_loop_form):
2128         (vect_analyze_loop):
2129         (vectorize_loops): Likewise.
2130
2131         (vect_do_peeling_for_loop_bound): Dump format slightly changed.
2132         (vect_update_inits_of_drs):
2133         (vect_do_peeling_for_alignment):
2134         (vect_transform_loop):
2135         (vect_analyze_operations):
2136         (vect_analyze_scalar_cycles):
2137         (vect_analyze_data_ref_dependences):
2138         (vect_analyze_data_refs_alignment):
2139         (vect_analyze_data_ref_accesses):
2140         (vect_analyze_data_refs):
2141         (vect_mark_stmts_to_be_vectorized):
2142         (vect_get_loop_niters):
2143         (vect_analyze_loop_form):
2144         (vect_analyze_loop): Likewise.
2145         (vect_mark_stmts_to_be_vectorized): Add call to print_generic_expr.
2146
2147 2005-02-07  Richard Sandiford  <rsandifo@redhat.com>
2148
2149         PR bootstrap/19796
2150         Revert:
2151         2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
2152         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
2153         either -ffast-math or -funsafe-math-optimizations is in use.
2154
2155         2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
2156         * config/mips/irix-csr.c: New file.
2157         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
2158         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
2159         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
2160         executables.
2161
2162 2005-02-07  Alexandre Oliva  <aoliva@redhat.com>
2163
2164         * config/mn10300/linux.h (LIB_SPEC, STARTFILE_SPEC): Remove
2165         redundant, incorrect definitions.
2166
2167         * config/frv/frv.md ("tls_indirect_call"): Turn into libcall-like
2168         expand.
2169         ("*tls_indirect_call"): New, reference hard regs directly.
2170         * config/frv/frv.c (gen_inlined_tls_plt): Adjust.
2171
2172 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
2173
2174         * config/arm/rtems-elf.h (SUBTARGET_EXTRA_ASM_SPEC):
2175         Let !-mhard-float !-msoft-float imply -mfpu=softfpa.
2176
2177 2005-02-06  Roger Sayle  <roger@eyesopen.com>
2178
2179         PR rtl-optimization/19800
2180         * simplify_rtx.c (simplify_relational_operation_1): Explicitly
2181         call gen_lowpart_common and gen_lowpart_SUBREG instead of calling
2182         gen_lowpart.
2183
2184 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
2185
2186         * config/m68k/t-rtems (MULTILIB_MATCHES): Let m528x match m5200.
2187
2188 2005-02-07  Joseph S. Myers  <joseph@codesourcery.com>
2189
2190         PR other/17135
2191         * doc/invoke.texi: Correct documentation of -freorder-functions.
2192
2193 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
2194
2195         PR other/14402
2196         * doc/invoke.texi: Don't mention gccbug.
2197
2198 2005-02-06  Roger Sayle  <roger@eyesopen.com>
2199             Andrew Pinski  <pinskia@physics.uc.edu>
2200             Paolo Bonzini  <paolo.bonzini@lu.unisi.ch>
2201
2202         * simplify-rtx.c (simplify_relational_operation_1): Simplify
2203         (ne:SI (zero_extract:SI FOO (const_int 1) BAR) (const_int 0))
2204         into just (zero_extract:SI FOO (const_int 1) BAR).
2205
2206 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
2207
2208         * doc/cpp.texi: Include gcc-common.texi.  Don't define gcctabopt
2209         macro locally.  Don't give last revision date.  Use GCC version
2210         number from gcc-common.texi.
2211         * doc/cppinternals.texi: Include gcc-common.texi.  Don't give last
2212         revision date.  Use GCC version number from gcc-common.texi.
2213         Describe being a library as current state rather than as 3.x
2214         history.
2215         * doc/gcc.texi: Remove last update date.
2216         * doc/gccint.texi: Likewise.  Update copyright dates.
2217         * doc/install.texi: Update copyright dates.
2218
2219 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
2220
2221         PR other/7549
2222         * doc/invoke.texi: Mention for each option included in -Wall that
2223         it is included in -Wall.
2224         * doc/gcc.texi: Update copyright and last modification date.
2225
2226 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
2227
2228         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Do not add
2229         unnecessary cast to original induction variable increments.
2230
2231 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
2232
2233         PR tree-optimization/18219
2234         * tree-ssa-loop-ivopts.c (get_computation_at): Produce computations
2235         in distributed form.
2236
2237 2005-02-06  Richard Sandiford  <rsandifo@redhat.com>
2238
2239         * expmed.c (store_bit_field): Make the SUBREG code adjust bitnum.
2240         Set bitpos and offset later in the function.  Do nothing if the
2241         target is a register and if the bitfield lies completely outside
2242         that register.
2243         (extract_bit_field): Make the same SUBREG, bitpos and offset changes
2244         here.  Return an uninitialised register if the source value is stored
2245         in a register and the bitfield lies completely outside that register.
2246
2247 2005-02-06  Steven Bosscher  <stevenb@suse.de>
2248
2249         * df.c (df_insn_refs_record): Use XEXP to get the operand of a USE,
2250         not SET_DEST.
2251
2252 2005-02-06  Marcin Dalecki  <martin@dalecki.de>
2253
2254         * diagnostic.c (default_diagnostic_finalizer): Fix use of attribute.
2255
2256 2005-02-06  Geoffrey Keating  <geoffk@apple.com>
2257
2258         * config.gcc (*-*-darwin*): Separate darwin7 and darwin8 configs.
2259         * config/darwin8.h: New.
2260         * config/darwin7.h: Update comment.
2261
2262 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
2263             Dorit Naishlos  <dorit@il.ibm.com>
2264
2265         * tree-vectorizer.h (LOC): New type.
2266         (UNKNOWN_LOC, EXPR_LOC, LOC_FILE, LOC_LINE): New macros.
2267         (loop_line_number): New field in struct _loop_vec_info.
2268         (LOOP_VINFO_LOC, LOOP_LOC): New macros.
2269
2270         * tree-vectorizer.c (input.h): Included.
2271         (find_loop_location): New function.
2272         (vect_debug_stats): Argument changed from loop to LOC. Computation of
2273         loop line number removed.
2274         (vect_debug_details): Likewise.
2275         (new_loop_vec_info): Initialize new field LOOP_VINFO_LOC.
2276
2277         (slpeel_make_loop_iterate_ntimes): Call find_loop_location. Argument in
2278         call to vect_debug_details/stats changed from loop to loop_loc.
2279         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
2280         (slpeel_tree_peel_loop_to_edge): Likewise.
2281
2282         (vect_analyze_offset_expr): Argument in call to vect_debug_details/stats
2283         changed from NULL to UNKNOWN_LOC.
2284         (vect_get_base_and_offset):
2285         (vect_create_addr_base_for_vector_ref):
2286         (get_vectype_for_scalar_type):
2287         (vect_create_data_ref_ptr):
2288         (vect_init_vector):
2289         (vect_get_vec_def_for_operand):
2290         (vect_finish_stmt_generation):
2291         (vectorizable_assignment):
2292         (vectorizable_operation):
2293         (vectorizable_store):
2294         (vectorizable_load):
2295         (vect_transform_stmt):
2296         (vect_update_ivs_after_vectorizer):
2297         (vect_do_peeling_for_loop_bound):
2298         (vect_do_peeling_for_alignment):
2299         (vect_transform_loop):
2300         (vect_is_simple_use):
2301         (vect_analyze_operations):
2302         (vect_is_simple_iv_evolution):
2303         (vect_analyze_scalar_cycles):
2304         (vect_analyze_data_ref_dependences):
2305         (vect_compute_data_ref_alignment):
2306         (vect_enhance_data_refs_alignment):
2307         (vect_analyze_data_ref_access):
2308         (vect_analyze_data_ref_accesses):
2309         (vect_analyze_pointer_ref_access):
2310         (vect_get_memtag_and_dr):
2311         (vect_analyze_data_refs):
2312         (vect_mark_relevant):
2313         (vect_stmt_relevant_p):
2314         (vect_mark_stmts_to_be_vectorized):
2315         (vect_can_advance_ivs_p):
2316         (vect_get_loop_niters):
2317         (vect_analyze_loop):
2318         (vectorize_loops): Likewise.
2319
2320         (vectorizable_load): Argument in call to vect_debug_details/stats
2321         changed from loop to LOOP_LOC (loop_vinfo).
2322         (vect_transform_loop):
2323         (vect_analyze_operations):
2324         (vect_analyze_scalar_cycles):
2325         (vect_analyze_data_ref_dependence):
2326         (vect_enhance_data_refs_alignment):
2327         (vect_analyze_data_ref_accesses):
2328         (vect_analyze_pointer_ref_access):
2329         (vect_analyze_data_refs):
2330         (vect_analyze_loop): Likewise.
2331
2332         (vect_analyze_loop_form): Argument in call to vect_debug_details/stats
2333         changed from loop to loop_loc.
2334
2335         (vect_enhance_data_refs_alignment): Removed unused variable loop.
2336
2337 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
2338             Dorit Naishlos  <dorit@il.ibm.com>
2339
2340         * tree-vectorizer.c (vect_analyze_data_ref_dependence): Function
2341         declaration added.
2342         (vect_analyze_data_ref_dependences): Likewise.
2343
2344         (vect_is_simple_use): Argument changed from loop structure to
2345         loop_vect_info structure.
2346         (vect_can_advance_ivs_p): Likewise.
2347         (vect_create_index_for_vector_ref): Likewise.
2348         (vect_update_ivs_after_vectorizer): Likewise.
2349         (new_stmt_vec_info): Likewise.
2350
2351         (new_loop_vec_info): Second argument in call to new_stmt_vec_info was
2352         changed from loop to loop_vinfo.
2353         (vect_create_data_ref_ptr): First argument in call to
2354         vect_create_index_for_vector_ref was changed from loop to loop_vinfo.
2355         (vectorizable_assignment): Second argument in call to vect_is_simple_use
2356         was changed from loop to loop_vinfo.
2357         (vectorizable_operation): Likewise.
2358         (vectorizable_store): Likewise.
2359         (vect_mark_stmts_to_be_vectorized): Likewise.
2360         (vect_do_peeling_for_loop_bound): First argument in call to
2361         vect_update_ivs_after_vectorizer was changed from loop to loop_vinfo.
2362         (vect_analyze_operations): Argument in call to vect_can_advance_ivs_p
2363         was changed from loop to loop_vinfo.
2364         (vect_analyze_data_ref_dependences): Third argument in call to
2365         vect_analyze_data_ref_dependence was changed from loop to loop_vinfo.
2366
2367         (vect_create_index_for_vector_ref): Get the loop from loop_vinfo.
2368         (vect_create_data_ref_ptr): Likewise.
2369         (vect_init_vector): Likewise.
2370         (vect_get_vec_def_for_operand): Likewise.
2371         (vectorizable_assignment): Likewise.
2372         (vectorizable_operation): Likewise.
2373         (vectorizable_store): Likewise.
2374         (vectorizable_load): Likewise.
2375         (vect_update_ivs_after_vectorizer): Likewise.
2376         (vect_is_simple_use): Likewise.
2377         (vect_analyze_data_ref_dependence): Likewise.
2378         (vect_analyze_pointer_ref_access): Likewise.
2379         (vect_can_advance_ivs_p): Likewise.
2380
2381         * tree-vectorizer.h: (_loop_vec_info): Definition and macros moved
2382         before _stmt_vec_info.
2383         (_stmt_vec_info): Loop field replaced by loop_vec_info.
2384         (STMT_VINFO_LOOP): Replaced with STMT_VINFO_LOOP_VINFO.
2385         (new_stmt_vec_info): Argument changed from loop structure to
2386         loop_vect_info structure
2387
2388         (vect_analyze_data_ref_dependences): Unnecessary line was removed.
2389         (vect_analyze_offset_expr): Avoid 80 columns overflow.
2390         (vect_create_addr_base_for_vector_ref): Likewise.
2391         (vect_analyze_pointer_ref_access): Likewise.
2392
2393 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
2394
2395         PR tree-opt/19768
2396         * tree-ssa-dse.c (fix_phi_uses): Update the occurs in abnormal
2397         phi flag if the phi is abnormal.
2398
2399 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
2400
2401         PR tree-opt/19736
2402         * tree-ssa.c (replace_immediate_uses): Update the immediate_uses
2403         information for the new statement.
2404
2405 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
2406
2407         PR driver/19117
2408         * gcc.c (main): Include the target in -v output.
2409
2410 2005-02-03  Alexandre Oliva  <aoliva@redhat.com>
2411
2412         * combine.c (simplify_comparison, case SIGN_EXTEND, ZERO_EXTEND):
2413         Do not drop the extend if we'd have to add a paradoxical subreg
2414         later.  Include optabs.h and insn-codes.h.
2415         * Makefile.in (combine.o): Depend on $(OPTABS_H).
2416
2417 2005-02-02  Roger Sayle  <roger@eyesopen.com>
2418
2419         PR middle-end/19405
2420         * real.h (REAL_MODE_FORMAT_COMPOSITE_P): New macro.
2421         * fold-const.c (const_binop): Avoid constant folding floating
2422         point operations in modes that use composite representations.
2423         * simplify-rtx.c (simplify_binary_operation): Likewise.
2424
2425 2005-02-02  Geoffrey Keating  <geoffk@apple.com>
2426
2427         * config/rs6000/altivec.md (altivec_dst): Make the first operand
2428         a REG, not a MEM.
2429         (altivec_dstt): Likewise.
2430         (altivec_dstst): Likewise.
2431         (altivec_dststt): Likewise.
2432         * config/rs6000/rs6000.c (altivec_expand_dst_builtin): Adjust creation
2433         of first operand.
2434
2435 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
2436
2437         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Copy
2438         EXPR_LOCUS from orig_cond to the new cond_stmt.
2439         (vect_finish_stmt_generation): Copy EXPR_LOCUS from stmt to
2440         the new vec_stmt.
2441
2442 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
2443
2444         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Call
2445         standard_iv_increment_position. Remove call to bsi_next
2446         (no need to bump the iterator anymore).
2447         (vect_create_index_for_vector_ref): Call
2448         standard_iv_increment_position. Remove second function argument.
2449         (vect_finish_stmt_generation): Remove call to bsi_next
2450         (no need to bump the iterator anymore).
2451         (vect_create_data_ref_ptr): Remove second argument (bsi) in call
2452         to vect_create_index_for_vector_ref.
2453
2454 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
2455
2456         * tree-vectorizer.c (vect_mark_stmts_to_be_vectorized): Check if
2457         phis are used out of the loop.
2458
2459 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
2460
2461         PR c/17807
2462         * c-decl.c (undef_nested_function): New variable.
2463         (pop_scope): Diagnose undefined nested functions.
2464         (finish_function): Don't attempt cgraph processing or genericizing
2465         if current top-level function contained an undefined nested
2466         function.  Reset undef_nested_function at the end of a top-level
2467         function.
2468
2469 2005-02-02  Zdenek Dvorak  <dvorakz@suse.cz>
2470
2471         * tree.c (build_int_cst_type): Take sign of the value into account
2472         when deciding whether sign extend the value.
2473
2474 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
2475
2476         PR c/18502
2477         * gcc.c (cpp_unique_options): Remove %{trigraphs}.
2478         (cpp_options, cc1_options): Change %{std*&ansi} to
2479         %{std*&ansi&trigraphs}.
2480
2481 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
2482
2483         * cse.c: Update comments.
2484
2485 2005-02-02  Aldy Hernandez  <aldyh@redhat.com>
2486
2487         * config/rs6000/rs6000.c (rs6000_spe_function_arg): Multi-reg
2488         arguments go on the stack.  Do not put complex doubles in odd/even
2489         pairs.
2490
2491 2005-02-02  Steven Bosscher  <stevenb@suse.de>
2492
2493         * doc/invoke.texi: Update the options enabled at -O1, -O2,
2494         and -O3.  Update the documentation for -fgcse-sm, -fgcse-las,
2495         -ftree-pre, and -fthread-jumps.
2496
2497 2005-02-02  Richard Sandiford  <rsandifo@redhat.com>
2498
2499         PR tree-optimization/19578
2500         * tree-flow.h (modified_noreturn_calls): Declare.
2501         (noreturn_call_p): Declare.
2502         * tree-flow-inline.h (noreturn_call_p): New function.
2503         (modify_stmt): Add modified noreturn calls to modified_noreturn_calls.
2504         * tree-cfg.c (modified_noreturn_calls): New variable.
2505         (cleanup_control_flow): Use noreturn_call_p.  Split basic blocks
2506         that contain a mid-block noreturn call.
2507         * tree-ssa.c (delete_tree_ssa): Clear modified_noreturn_calls.
2508
2509 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
2510
2511         * df.c (df_def_record_1, df_uses_record): Don't use
2512         DF_FOR_REGALLOC.
2513         * df.h (DF_FOR_REGALLOC): Remove.
2514
2515 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
2516
2517         PR c/19435
2518         * c-typeck.c (really_start_incremental_init): Reset
2519         constructor_max_index for arrays of incomplete type.
2520
2521 2005-02-02  Jeff Law  <law@redhat.com>
2522
2523         * gcse.c (struct reg_set): Store the block index where the register
2524         was set rather than the setting insn.
2525         (record_one_set, compute_transp): Corresponding changes.
2526         (pre_insert_copy_insn): Do not call replace_one_set.
2527         (replace_one_set): Remove.
2528
2529 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
2530
2531         PR other/15514
2532         * doc/gcov.texi: Fix typo.
2533
2534 2005-02-01  Richard Henderson  <rth@redhat.com
2535
2536         PR target/19680
2537         * config/i386/i386.h (MODES_TIEABLE_P): Use ix86_modes_tieable_p.
2538         * config/i386/i386.c (ix86_hard_regno_mode_ok): Change return
2539         type to bool.
2540         (ix86_tieable_integer_mode_p, ix86_modes_tieable_p): New.
2541         * config/i386/i386-protos.h: Update.
2542
2543 2005-02-01  Steven Bosscher  <stevenb@suse.de>
2544
2545         PR tree-optimization/19217
2546         * tree-cfg.c (verify_expr): Use the data field to see if TP was
2547         seen inside a PHI node.  Do not do the ADDR_EXPR check if it was.
2548         (verify_stmts): Pass (void*)1 as data to verify_expr to signal
2549         that it is walking a PHI node.
2550
2551 2005-02-01  Joseph S. Myers  <joseph@codesourcery.com>
2552
2553         * doc/extend.texi (Nested Functions): Update.
2554
2555 2005-02-01  Richard Henderson  <rth@redhat.com>
2556
2557         PR 19696
2558         * optabs.c (expand_copysign_absneg): Export.
2559         * optabs.h (expand_copysign_absneg): Declare.
2560         * config/rs6000/rs6000.md (copysigntf3): New.
2561
2562 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
2563
2564         PR tree-optimization/19633
2565         * tree-flow.h (struct ptr_info_def): Add field 'pt_null'.
2566         * tree-ssa-alias.c (init_alias_info): Initialize.
2567         (merge_pointed_to_info): Set.
2568         (add_pointed_to_expr): Set pt_null if EXPR is a NULL pointer.
2569         (dump_points_to_info_for): Show value of pt_null.
2570         (struct count_ptr_d): Declare.
2571         (find_ptr_dereference): Remove.
2572         (ptr_is_dereferenced_by): Remove.
2573         (count_ptr_derefs): New local function.
2574         (count_uses_and_derefs): New local function.
2575         (compute_points_to_and_addr_escape): Call it.  If the number
2576         of dereferences is greater than zero, mark the pointer as
2577         dereferenced.  If there are fewer dereferences than uses of
2578         the pointer, the pointer's value escapes.
2579
2580 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
2581
2582         PR tree-optimization/19670
2583         * tree-ssa.c (verify_ssa_name): Don't set TREE_VISITED
2584         here...
2585         (verify_use): ... set it here, instead.
2586
2587 2005-02-01  Janis Johnson  <janis187@us.ibm.com>
2588
2589         * doc/sourcebuild.texi (Test directives): Fix formatting.
2590
2591         * doc/sourcebuild.texi (Test directives): Describe selector
2592         expressions.
2593
2594 2005-02-01  Segher Boessenkool  <segher@kernel.crashing.org>
2595
2596         * config.gcc (powerpc64-*-linux*): Default to -m64 also for
2597         specific 64-bit CPUs.
2598
2599 2005-02-01  Richard Earnshaw  <rearnsha@arm.com>
2600
2601         PR target/16201
2602         * arm.c (arm_eliminable_register): New function.
2603         (adjacent_mem_locations): Don't allow eliminable registers.  Use
2604         HOST_WIDE_INT for address offsets.
2605         * arm-protos.h (arm_eliminable_register): Add prototype.
2606
2607 2005-02-01  Steven Bosscher  <stevenb@suse.de>
2608
2609         PR optimization/15242
2610         * params.def (PARAM_MAX_GOTO_DUPLICATION_INSNS): New param.
2611         * basic-block.h (duplicate_computed_gotos): Add prototype.
2612         * bb-reorder.c (duplicate_computed_gotos): New function to
2613         duplicate sufficiently small blocks ending in a computed jump.
2614         * passes.c (rest_of_compilation): Call duplicate_computed_gotos
2615         if not optimizing for size.
2616         * cfgcleanup.c (try_crossjump_bb): If not optimizing for size,
2617         never do tail merging for blocks ending in a computed jump.
2618         * doc/invoke.texi: Document the max-goto-duplication-insns param.
2619
2620 2005-02-01  Eric Botcazou  <ebotcazou@libertysurf.fr>
2621
2622         Patch from Richard Sandiford <rsandifo@redhat.com>
2623         * reload1.c (choose_reload_regs): Prevent the find_equiv_reg() code
2624         from inheriting a subreg equivalence with a non-spill register.
2625
2626         * tree.h (DECL_FUNCTION_CODE): Document that it is overloaded.
2627
2628 2005-02-01  Alexandre Oliva  <aoliva@redhat.com>
2629
2630         * config/frv/frv.c (movcc_fp_destination_operand): New.
2631         (gpr_or_memory_operand): Fix typo in comment.
2632         (gpr_or_memory_operand_with_scratch): New.
2633         * config/frv/frv.h (PREDICATE_CODES): Add the two new predicates.
2634         * config/frv/frv.md (movcc_fp, movcc_fp_internal): Use
2635         movcc_fp_destination_operand.
2636         (reload_incc_fp): Use gpr_or_memory_operand_with_scratch.
2637         Legitimize memory addresses using a scratch register.
2638
2639 2005-01-31  Jeff Law  <law@redhat.com>
2640
2641         * tree-into-ssa.c (mark_def_sites_global_data): Make KILLS
2642         bitmap a sparse bitmap instead of a simple bitmap.
2643         (mark_def_sites_initialize_block):  Corresponding changes.
2644         (ssa_mark_def_sites_initialize_block): Likewise.
2645         (ssa_mark_phi_uses): Likewise.
2646         (mark_def_site, ssa_mark_def_sites): Likewise.
2647         (mark_def_site_blocks): Likewise.
2648         (rewrite_ssa_into_ssa): Likewise.
2649
2650         * tree-ssa-dom.c (record_cond): Pass correct variable type
2651         for last argument to htab_find_slot_with_hash.
2652
2653         * fold-const.c (fold, case CEIL_MOD_EXPR): Do not lose side
2654         effects when optimizing 0 % X.  Do not try to optimize X % 0.
2655
2656 2005-01-31  James E. Wilson  <wilson@specifixinc.com>
2657
2658         * config/ia64/itanium1.md (1_scall bypass): Change 2_mmalua to
2659         1_mmalua.
2660
2661 2005-02-01  Eric Christopher  <echristo@redhat.com>
2662
2663         * config/mips/mips.c (override_options): Warn if -mint64
2664         is used.
2665         * doc/invoke.texi (MIPS Options): Document that -mint64 is
2666         deprecated.
2667
2668 2005-02-01  Kazu Hirata  <kazu@cs.umass.edu>
2669
2670         * cse.c (cse_reg_info): Remove hash_next, next, regno.  Add
2671         timestamp.
2672         (cse_reg_info_list, cse_reg_info_list_free, REGHASH_SHIFT,
2673         REGHASH_SIZE, REGHASH_MASK, reg_hash, REGHASH_FN,
2674         cached_cse_reg_info, GET_CSE_REG_INFO): Remove.
2675         (cached_regno): Initialize to INVALID_REGNUM.
2676         (cse_reg_info_table_size,
2677         cse_reg_info_table_first_uninitialized,
2678         cse_reg_info_timestamp): New.
2679         (REG_TICK, REG_IN_TABLE, SUBREG_TICKED, REG_QTY): Use
2680         get_cse_reg_info.
2681         (init_cse_reg_info, get_cse_reg_info_1): New.
2682         (get_cse_reg_info): Cache the last look-up.
2683         (new_basic_block): Update the code to clear mappings from
2684         registers to cse_reg_info entries.
2685         (cse_main): Call init_cse_reg_info.
2686
2687         * cse.c (get_cse_reg_info): Update a comment.
2688
2689 2005-01-31  Steven Bosscher  <stevenb@suse.de>
2690
2691         PR c/19333
2692         * c-decl.c (start_decl): Do not warn about arrays of elements with
2693         an incomplete type here.
2694         (grokdeclarator): Do it here by making a pedwarn an error.
2695         * c-typeck.c (push_init_level): If there were previous errors with
2696         the constructor type, do not warn about braces for initializers.
2697         (process_init_element): Likewise for excess initializer elements.
2698
2699 2005-01-31  Kazu Hirata  <kazu@cs.umass.edu>
2700
2701         * cse.c (delete_trivially_dead_insn): Don't iterate.
2702
2703 2005-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
2704
2705         * config/rs6000/rs6000.md (copysignsf3): New expand.
2706         (copysigndf3): Likewise.
2707
2708 2005-01-31  Steven Bosscher  <stevenb@suse.de>
2709
2710         * recog.c (constrain_operands): Only look for earlyclobber operand
2711         conflicts if an '&' constraint was seen.
2712
2713 2005-01-31  Marc Espie <espie@openbsd.org>
2714
2715         * config.gcc: Don't include embedded systems fragment, switches default
2716         debugging format to ELF.
2717         * config/i386/openbsdelf.h: Add DBX_REGISTER_NUMBER since we no
2718         longer pick it up there.
2719
2720 2005-01-31  Dale Johannesen  <dalej@apple.com>
2721
2722         * doc/extend.texi (nested functions): Fix linkage description.
2723         Clarify that static is not allowed.
2724
2725 2005-01-31  Dale Johannesen  <dalej@apple.com>
2726
2727         * config/rs6000/darwin.md (movsf_low_di):  Make work.
2728         (movdf_low_di):  Make work.
2729
2730 2005-01-31  Dale Johannesen  <dalej@apple.com>
2731
2732         * config/rs6000/darwin-tramp.asm (__trampoline_setup):
2733         Make work for 64 bit.
2734
2735 2005-01-31  Roger Sayle  <roger@eyesopen.com>
2736             Dale Johannesen  <dalej@apple.com>
2737
2738         PR middle-end/19650
2739         * fold-const.c (fold_binary_op_with_conditional_arg):
2740         Make types match original operands, before STRIP_NOPS.
2741
2742 2005-01-31  Alan Modra  <amodra@bigpond.net.au>
2743
2744         * config/rs6000/linux-unwind.h (struct gcc_vregs): New.
2745         (struct gcc_regs): Rename from gcc_pt_regs.  Add more regs.
2746         (struct gcc_sigcontext): Delete.  Merge contents to..
2747         (struct gcc_ucontext): ..here.
2748         (get_sigcontext): Delete.
2749         (get_regs): New function, like get_sigcontext but return regs ptr.
2750         64-bit version finds regs from r1 to support vdso.
2751         (ppc_linux_aux_vector): New function.
2752         (ppc_fallback_frame_state): Modify for get_regs.  Restore fprs
2753         and vector regs.
2754
2755 2005-01-31  Ira Rosen  <irar@il.ibm.com>
2756
2757         * tree-vectorizer.c (vect_analyze_offset_expr): Use ssizetype instead
2758         sizetype.
2759         (vect_get_base_and_offset): Use ssizetype instead sizetype. Remove
2760         redundant fold. Fix misalignment for MINUS_EXPR.
2761         (vect_compute_data_ref_alignment): Use ssizetype instead sizetype.
2762         (vect_analyze_pointer_ref_access): Likewise.
2763         (vect_get_memtag_and_dr): Likewise.
2764
2765 2005-01-31  Richard Henderson  <rth@redhat.com>
2766
2767         * config/i386/i386.c (absnegsf2_mixed): Remove all of the # hackery.
2768         (absnegsf2_sse, absnegsf2_i387, absnegdf2_mixed, absnegdf2_sse,
2769         absnegdf2_i387, absnegxf2_i387): Likewise.
2770
2771 2005-01-31  Richard Henderson  <rth@redhat.com>
2772
2773         PR 19696
2774         * optabs.c (expand_copysign_absneg): New.
2775         (expand_copysign_bit): Split out from ...
2776         (expand_copysign): ... here.  Use expand_copysign_absneg.
2777
2778 2005-01-30  Roger Sayle  <roger@eyesopen.com>
2779
2780         PR middle-end/19697
2781         * config/pa/pa.md (anddi3, iordi3): On HPPA64, disallow an integer
2782         constant as the second operand and a register as the third.
2783
2784 2005-01-31  Danny Smith  <dannysmith@users.sourceforge.net>
2785
2786         PR target/19704
2787         * config/i386/i386.c (ix86_function_ok_for_sibcall):  Also check
2788         that dllimport'd functions do not use all call-clobbered registers
2789         to pass parameters.
2790
2791 2005-01-30  Richard Henderson  <rth@redhat.com>
2792
2793         PR 19696
2794         * optabs.c (expand_absneg_bit): Split out from expand_unop and
2795         expand_abs_nojump and generalize.  Use operand_subword and
2796         emit_no_conflict_block.  Support large modes.
2797         (expand_abs_nojump): Use it.  Use HONOR_SIGNED_ZEROS to fall
2798         back to maximum.
2799         (expand_unop): Likewise.  Use HONOR_SIGNED_ZEROS to fall back
2800         negation to subtraction.
2801         (expand_copysign): Check that the format has signed zeros.
2802         Use operand_subword and emit_no_conflict_block.  Support large modes.
2803
2804 2005-01-30  Daniel Berlin  <dberlin@dberlin.org>
2805
2806         Fix PR tree-optimization/19624
2807
2808         * Makefile.in (tree-ssa-pre.o): Add CFGLOOP_H.
2809         * tree-ssa-pre.c: Add cfgloop.h.
2810         Update comment.
2811         (pre_stats): New member, constified.
2812         (inserted_exprs): New static variable.
2813         (NECESSARY): New macro.
2814         (create_expression_by_pieces): Fold the expression, and
2815         mark it as defaulting to not necessary. Also put in
2816         inserted_exprs.
2817         (fully_constant_expression): New function.
2818         (insert_into_preds_of_block): Modify to not insert phis when we
2819         are playing with induction variables.
2820         Push phis onto the inserted_exprs vector, and mark them as not
2821         necessary by default.
2822         (insert_aux): Call fully_constant_expression on eprime.
2823         If all edges produce the same value, mark it constant.
2824         (mark_operand_necessary): New function.
2825         (remove_dead_inserted_code): New function.
2826         (init_pre): Init loop optimizer to get loop info.
2827         (fini_pre): Free loop_optimizer, and inserted_exprs vec.
2828         (execute_pre): Commit edge inserts, then remove dead code.
2829
2830 2005-01-30  Richard Henderson  <rth@redhat.com>
2831
2832         * rtl.c (rtx_equal_p): No early exit for CONST_VECTOR.
2833         * varasm.c (const_rtx_hash_1): Handle CONST_VECTOR.
2834
2835 2005-01-30  Richard Henderson  <rth@redhat.com>
2836
2837         PR target/19700
2838         * config/i386/i386.c (ix86_expand_copysign): New.
2839         (ix86_split_copysign_const): New.
2840         (ix86_split_copysign_var): Rename from ix86_split_copysign,
2841         rearrange op1/nmask operands.
2842         * config/i386/i386-protos.h: Update.
2843         * config/i386/i386.md (copysignsf3): Use ix86_expand_copysign.
2844         (copysigndf3): Likewise.
2845         (copysignsf3_const, copysigndf3_const): New.
2846         (copysignsf3_var): Rename from copysignsf3, split out splitter
2847         and fix split predicate for X constraint.
2848         (copysigndf3_var): Similarly.
2849
2850 2005-01-30  Kazu Hirata  <kazu@cs.umass.edu>
2851
2852         * optabs.c, doc/c-tree.texi, doc/install.texi, doc/md.texi,
2853         doc/passes.texi, doc/rtl.texi, doc/sourcebuild.texi,
2854         doc/tm.texi, doc/tree-ssa.texi: Update copyright.
2855
2856 2005-01-29  Richard Henderson  <rth@redhat.com>
2857
2858         PR target/19690
2859         * config/i386/i386.md (movdf_nointeger, movdf_integer): Fix ordering
2860         of # and * in constraints.
2861
2862 2005-01-29  Richard Henderson  <rth@redhat.com>
2863
2864         PR middle-end/19689
2865         * expr.c (store_field): Don't strip sub-mode cast when the input
2866         data is even smaller.
2867
2868 2005-01-29  Richard Henderson  <rth@redhat.com>
2869
2870         PR middle-end/19687
2871         * expr.c (categorize_ctor_elements_1): Check for CONSTRUCTOR of a
2872         union being empty.
2873
2874 2005-01-29  Richard Henderson  <rth@redhat.com>
2875
2876         * combine.c (make_field_assignment): Fix argument order
2877         to gen_int_mode.
2878
2879 2005-01-29  Richard Guenther <richard.guenther@uni-tuebingen.de>
2880
2881         PR tree-optimization/15791
2882         * fold-const.c (extract_array_ref): New function.
2883         (fold): Fold comparisons between &a[i] and &a[j] or
2884         semantically equivalent trees.
2885
2886 2005-01-29  Jeff Law  <law@redhat.com>
2887
2888         * gcse.c (insert_expr_in_table): Revamp handling of available
2889         and anticipatable occurrence lists to avoid unnecessary list
2890         walking.
2891         (insert_set_in_table): Similarly.
2892
2893 2005-01-29  Joseph S. Myers  <joseph@codesourcery.com>
2894
2895         * c-common.c (fix_string_type): Just use c_build_qualified_type to
2896         build string type.
2897         (c_build_qualified_type): Build qualified array types with
2898         TYPE_MAIN_VARIANT pointing to corresponding unqualified type.
2899         * c-decl.c (c_make_fname_decl): Build unqualified array type
2900         before qualified type.
2901         (grokdeclarator): Use TYPE_MAIN_VARIANT of typedef type if element
2902         type is qualified, not just if type itself is.  Don't apply
2903         qualifiers to array type when declarator is processed.  Apply
2904         qualifiers to field type whether or not it is an array type.
2905         Don't handle array types specially for applying qualifiers to
2906         variables.
2907         * c-typeck.c (composite_type): Build unqualified element type and
2908         array type when forming composite of array types.
2909         (common_pointer_type, comptypes, comp_target_types,
2910         type_lists_compatible_p, build_indirect_ref, build_array_ref,
2911         convert_for_assignment): Don't apply TYPE_MAIN_VARIANT to array
2912         types.
2913         (type_lists_compatible_p): Cache TREE_VALUE (args1) and TREE_VALUE
2914         (args2) in variables a1 and a2.
2915
2916 2005-01-29  Kazu Hirata  <kazu@cs.umass.edu>
2917
2918         * cse.c (n_elements_made, max_elements_made): Remove.
2919         (insert): Don't touch n_elements_made.
2920         (cse_main): Don't touch n_elements_made or max_elements_made.
2921
2922 2005-01-28  Stephane Carrez  <stcarrez@nerim.fr>
2923
2924         PR target/15384
2925         * config/m68hc11/t-m68hc11-gas (dp-bit.c): Fix typo causing a
2926         configuration part of dp-bit.c to be lost.
2927
2928 2005-01-28  Roger Sayle  <roger@eyesopen.com>
2929
2930         * expmed.c (expand_mult_highpart_optab): When attempting to use
2931         a non-widening multiplication in a wider mode, the operands need
2932         to be converted (zero or sign extended) to that mode.
2933
2934 2005-01-28  Ian Lance Taylor  <ian@airs.com>
2935
2936         PR middle-end/16558
2937         PR middle-end/19583
2938         * gimple-low.c (block_may_fallthru): TRY_FINALLY_EXPR only falls
2939         through if both operands fall through.
2940
2941 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
2942
2943         * cse.c (fold_rtx) <PC>: Don't optimize.
2944
2945 2005-01-28  Jeff Law  <law@redhat.com>
2946
2947         * fold-const.c (fold, case CEIL_MOD_EXPR): Optimize 0 % X.
2948         (case FLOOR_MOD_EXPR, ROUND_MOD_EXPR, TRUNC_MOD_EXPR): Similarly.
2949
2950 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
2951
2952         * cse.c (cse_reg_info_free_list, cse_reg_info_used_list,
2953         cse_reg_info_used_list_end): Remove.
2954         (cse_reg_info_list, cse_reg_info_list_free): New.
2955         (get_cse_reg_info): When allocating an instance of
2956         cse_reg_info, add it to the beginning of the cse_reg_info_list
2957         list.  Remove code to maintain cse_reg_info_used_list.
2958         (new_basic_block): Reset the free list to the beginning of
2959         cse_reg_info_list.
2960
2961 2005-01-28  Richard Sandiford  <rsandifo@redhat.com>
2962
2963         * config/frv/frv.c (bdesc_2arg): Remove __MDPACKH.
2964         (frv_init_builtins): Change its prototype to take 4 uhalf arguments.
2965         (frv_expand_mdpackh_builtin): New function.
2966         (frv_expand_builtin): Use it to expand __MDPACKH.
2967         * doc/extend.texi (__MDPACKH): Update documentation.
2968
2969 2005-01-28  Uros Bizjak  <uros@kss-loka.si>
2970
2971         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use
2972         SSE_FLOAT_MODE_P for use_sse computation.
2973
2974 2005-01-28  Ralf Corsepius  <ralf.corsepius@rtems.org>
2975
2976         PR target/19663
2977         * config/sparc/rtemself.h (LINK_GCC_C_SEQUENCE_SPEC): undefine.
2978
2979 2005-01-27  Richard Henderson  <rth@redhat.com>
2980
2981         * builtins.c (expand_builtin_copysign): New.
2982         (expand_builtin): Call it.
2983         * genopinit.c (optabs): Add copysign_optab.
2984         * optabs.c (init_optabs): Initialize it.
2985         (expand_copysign): New.
2986         * optabs.h (OTI_copysign, copysign_optab): New.
2987         (expand_copysign): Declare.
2988
2989         * config/alpha/alpha.md (UNSPEC_COPYSIGN): New.
2990         (copysignsf3, ncopysignsf3, copysigndf3, ncopysigndf3): New.
2991
2992         * config/i386/i386.c (ix86_build_signbit_mask): Split from ...
2993         (ix86_expand_fp_absneg_operator): ... here.
2994         (ix86_split_copysign): New.
2995         * config/i386/i386-protos.h: Update.
2996         * config/i386/i386.md (UNSPEC_COPYSIGN): New.
2997         (copysignsf3, copysigndf3): New.
2998
2999         * config/ia64/ia64.md (UNSPEC_COPYSIGN): New.
3000         (copysignsf3, ncopysignsf3): New.
3001         (copysigndf3, ncopysigndf3): New.
3002         (copysignxf3, ncopysignxf3): New.
3003         * config/ia64/ia64.c (rtx_needs_barrier): Handle UNSPEC_COPYSIGN.
3004
3005 2005-01-27  Arend Bayer  <arend.bayer@web.de>
3006             Kazu Hirata  <kazu@cs.umass.edu>
3007
3008         * cse.c: (find_best_addr): Don't call copy_rtx before calling
3009         fold_rtx.  Save cost recomputation if fold_rtx did nothing.
3010         (fold_rtx) <ASM_OPERANDS>: Don't do anything if INSN is
3011         NULL_RTX.
3012
3013 2005-01-27  Jeff Law  <law@redhat.com>
3014
3015         * tree-into-ssa.c (ssa_rewrite_initialize_block): Do not register
3016         definitions of SSA_NAMEs which are not being rewritten.
3017         (rewrite_ssa_into_ssa): Only initialize the current definition
3018         of an SSA_NAME if that SSA_NAME has been marked for rewriting.
3019         If checking is enabled, assert that SSA_NAME_AUX is clear for all
3020         SSA_NAMEs before returning.
3021
3022 2005-01-27  Kazu Hirata  <kazu@cs.umass.edu>
3023
3024         * c-common.def, c-dump.c, c-gimplify.c, c-objc-common.c,
3025         cfgexpand.c, dbxout.c, function.h, opts.c, tree-flow-inline.h,
3026         tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-tailcall.c,
3027         config/avr/avr.md, config/cris/aout.h, config/cris/cris.h,
3028         config/mips/iris6.h, config/sh/sh.c: Update copyright.
3029
3030 2005-01-27  Steven Bosscher  <stevenb@suse.de>
3031
3032         PR middle-end/17278
3033         * opts.c (decode_options): Move flag_thread_jumps from -O1 and
3034         higher to -O2 and higher.  Likewise for tree PRE.
3035         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Only iterate at -O2
3036         and better.
3037
3038 2005-01-27  Ian Lance Taylor  <ian@airs.com>
3039
3040         PR middle-end/19583
3041         * gimple-low.c (try_catch_may_fallthru): New static function.
3042         (block_may_fallthru): Handle TRY_CATCH_EXPR.
3043         * tree-inline.c (expand_call_inline): Don't warn about reaching
3044         the end of a non-void function being inlined if the function uses
3045         a return slot.
3046
3047 2005-01-27  Jakub Jelinek  <jakub@redhat.com>
3048
3049         * config/i386/i386.h (CALL_USED_REGISTERS): Fix comment pastos.
3050
3051         PR c/18946
3052         * c-decl.c (warn_if_shadowing): Handle old_decl error_mark_node.
3053         (pushdecl): Only use DECL_FILE_SCOPE_P if DECL_P.
3054         (implicitly_declare): Handle error_mark_node.
3055
3056 2005-01-27  Richard Henderson  <rth@redhat.com>
3057
3058         PR tree-opt/14329
3059         * tree.h (struct tree_decl): Add debug_expr_is_from.
3060         (DECL_DEBUG_EXPR_IS_FROM): New.
3061         (DECL_DEBUG_EXPR): Rename from DECL_DEBUG_ALIAS_OF.
3062         * dwarf2out.c (dwarf2out_var_location): Update to match.
3063         * tree-outof-ssa.c (create_temp): Likewise.
3064         * var-tracking.c (track_expr_p): Likewise.
3065         * tree-sra.c (instantiate_element): Set DECL_DEBUG_EXPR.
3066         * c-objc-common.c (c_tree_printer) <'D'>: Handle DECL_DEBUG_EXPR.
3067         * toplev.c (default_tree_printer): Likewise.
3068
3069 2005-01-27  Alexandre Oliva  <aoliva@redhat.com>
3070
3071         * config/frv/frv.c (frv_class_likely_spilled_p): Add GR8_REGS,
3072         GR9_REGS, GR89_REGS, FDPIC_FPTR_REGS, FDPIC_REGS.
3073
3074 2005-01-27  Steven Bosscher  <stevenb@suse.de>
3075
3076         * tree.h (SWITCH_COND, SWITCH_BODY, SWITCH_LABELS, CASE_LOW,
3077         CASE_HIGH, CASE_LABEL, ASM_STRING, ASM_OUTPUTS, ASM_INPUTS,
3078         ASM_CLOBBERS): Add tree checks.
3079
3080         * c-common.h (SWITCH_TYPE): Rename to SWITCH_STMT_TYPE.
3081         (SWITCH_STMT_COND, SWITCH_STMT_BODY): New.
3082         * c-common.def (SWITCH_STMT): Update to match.
3083         * c-common.c (c_do_switch_warnings): Use SWITCH_STMT accessor
3084         macros instead of SWITCH_EXPR ones.
3085         * c-dump.c (c_dump_tree): Likewise.
3086         * c-gimplify.c (gimplify_switch_stmt): Likewise.
3087         * c-typeck.c (c_start_case, do_case, c_finish_case): Likewise.
3088
3089         * doc/c-tree.texi (SWITCH_STMT): Update accessor macro names.
3090
3091 2005-01-27  Alan Modra  <amodra@bigpond.net.au>
3092
3093         * unwind-dw2.c (execute_stack_op): Add missing cases for
3094         DW_OP_shl, DW_OP_shr, DW_OP_shra, DW_OP_xor.
3095
3096 2005-01-27  Eric Botcazou  <ebotcazou@libertysurf.fr>
3097
3098         * config.gcc (Obsolete configurations): Remove 'dummy', add
3099         sparclite-*-coff*, sparclite-*-elf*, sparc86x-*-elf* and
3100         sparc-*-openbsd*.
3101
3102 2005-01-26  Diego Novillo  <dnovillo@redhat.com>
3103
3104         PR tree-optimization/19633
3105         * tree-ssa-alias.c (ptr_is_dereferenced_by): Also handle
3106         CALL_EXPRs.
3107         (maybe_create_global_var): Do not create .GLOBAL_VAR if there
3108         are no call-clobbered variables.
3109         * tree-outof-ssa.c (check_replaceable): Return false for calls
3110         with side-effects.
3111
3112 2005-01-26  Ulrich Weigand  <uweigand@de.ibm.com>
3113
3114         * dbxout.c (dbxout_symbol_location): Resolve constant pool references
3115         even for variables with NULL DECL_INITIAL.
3116
3117 2005-01-26  Stuart Hastings  <stuart@apple.com>
3118
3119         * gimplify.c (shortcut_cond_expr): Re-compute side-effects.
3120
3121 2005-01-26  Richard Henderson  <rth@redhat.com>
3122
3123         PR middle-end/18008
3124         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
3125         field's type.
3126         * expr.c (store_field): Strip conversions to odd-bit-sized types
3127         if the destination field width matches.
3128
3129 2005-01-26  Richard Henderson  <rth@redhat.com>
3130
3131         * c-decl.c, expmed.c, expr.c: Revert last change.
3132
3133 2005-01-26  Richard Henderson  <rth@redhat.com>
3134
3135         PR middle-end/18008
3136         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
3137         field's type.
3138         * expmed.c (store_fixed_bit_field): Create a paradoxical subreg
3139         if we don't need the bits above those present in the current mode.
3140         * expr.c (store_field): Strip conversions to odd-bit-sized types
3141         if the destination field width matches.
3142
3143 2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
3144
3145         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
3146         either -ffast-math or -funsafe-math-optimizations is in use.
3147
3148 2005-01-26  Marek Michalkiewicz  <marekm@amelek.gda.pl>
3149
3150         PR target/19293
3151         PR target/19329
3152         * config/avr/avr.c (notice_update_cc): Only set condition code for
3153         ashrqi3 if shift count > 0.
3154         (out_shift_with_cnt): Handle shift count <= 0 as a no-op.
3155         (ashlqi3_out, ashlhi3_out, ashlsi3_out, ashrqi3_out, ashrhi3_out,
3156         ashrsi3_out, lshrqi3_out, lshrhi3_out, lshrsi3_out): Handle shift
3157         count <= 0 as a no-op, and shift count >= width by copying zero
3158         or sign bit to all bits of the result.
3159         * config/avr/avr.md (all shifts): Add alternatives for zero shift
3160         count, with attribute "length" set to 0 and "cc" set to "none".
3161
3162 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
3163
3164         * doc/invoke.texi: Document -mTLS.
3165
3166         * testsuite/gcc.target/frv/all-tls-global-dynamic.c: New.
3167         * testsuite/gcc.target/frv/all-tls-initial-exec.c: New.
3168         * testsuite/gcc.target/frv/all-tls-initial-exec-pic.c: New.
3169         * testsuite/gcc.target/frv/all-tls-local-dynamic.c: New.
3170         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt.c: New.
3171         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt-pic.c: New.
3172         * testsuite/gcc.target/frv/all-tls-local-exec.c: New.
3173         * testsuite/gcc.target/frv/all-tls-local-exec-TLS.c: New.
3174
3175         * configure.ac: Check for a TLS capable gas.
3176
3177         * configure: Regenerate.
3178
3179 2005-01-26  Richard Henderson  <rth@redhat.com>
3180
3181         PR middle-end/18008
3182         * combine.c (make_field_assignment): Simplify store to zero_extract
3183         from a source with an overlapping mask.
3184
3185 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
3186
3187         2004-11-11  Eric Christopher  <echristo@redhat.com>
3188
3189         * config/frv/frv.md: Add fr400_integer automaton. Don't
3190         allow TYPE_MUL, TYPE_MACC, or TYPE_CUT to issue in parallel
3191         to TYPE_MACC.
3192
3193 2005-01-26  Steven Bosscher  <stevenb@suse.de>
3194
3195         PR middle-end/16585
3196         * cfgbuild.c (make_edges): Do not clear or set
3197         current_function_has_computed_jump.
3198         * function.h (struct function): Remove the has_computed_jump field.
3199         (current_function_has_computed_jump): Do not define.
3200         * sched-rgn.c (is_cfg_nonregular): Return true if a basic block ends
3201         in a computed jump.  Ignore current_function_has_computed_jump.
3202
3203 2005-01-26  Richard Henderson  <rth@redhat.com>
3204
3205         PR middle-end/19515
3206         * expr.c (categorize_ctor_elements): New argument p_must_clear.
3207         (categorize_ctor_elements_1): Likewise.  Detect a union that isn't
3208         fully initialized.
3209         (mostly_zeros_p): Update for new categorize_ctor_elements argument.
3210         * gimplify.c (gimplify_init_constructor): Likewise.  Only shove
3211         objects into static storage if they have more than one non-zero value.
3212         * tree.h (categorize_ctor_elements): Update decl.
3213
3214 2005-01-26  Steven Bosscher  <stevenb@suse.de>
3215
3216         PR middle-end/19616
3217         * tree.h (CALL_EXPR_TAILCALL): Add comment.
3218         * calls.c (check_sibcall_argument_overlap_1): Revert the change
3219         to this function from 2004-07-10.
3220         * tree-tailcall.c (suitable_for_tail_opt_p): Do not consider the
3221         the current function for tail call optimizations if the address
3222         of one of it its arguments is taken.
3223
3224 2005-01-26  Kazu Hirata  <kazu@cs.umass.edu>
3225
3226         * cse.c (fold_rtx): Call equiv_constant only when necessary.
3227
3228 2005-01-26  Bernd Schmidt  <bernd.schmidt@analog.com>
3229
3230         * function.c (expand_function_end): If current_function_calls_alloca,
3231         emit stack restore in a place that is reached when the function falls
3232         through at the end.
3233
3234 2005-01-26  Alexandre Oliva  <aoliva@redhat.com>
3235
3236         * Makefile.in (../$(build_subdir)/fixincludes/fixincl): Add dummy
3237         rule to avoid matching inappropriate suffix rule.
3238
3239 2005-01-26  Jan Hubicka  <jh@suse.cz>
3240
3241         PR tree-optimization/19241
3242         * tree-inline.c (copy_body_r): Do not walk subtrees after substituting.
3243
3244 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
3245
3246         * config/cris/cris.h (LIB_SPEC) <sim*>: Use -lsyslinux, not
3247         -lsyssim.  Wrap -lc -lsyssim in --start-group --end-group instead
3248         of doubling.
3249         (STARTFILE_SPEC): Add crti.o, before crtbegin.o.
3250         <sim*>: Always use crt1.o, regardless of N in simN.
3251         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
3252         (ENDFILE_SPEC): Add crtn.o, after crtend.o.
3253         (CRT_CALL_STATIC_FUNCTION): Remove.
3254         * config/cris/aout.h (STARTFILE_SPEC): <!melinux && sim*>: Always
3255         use crt1.o, regardless of N in simN.
3256         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
3257         (LIB_SPEC): Do not define; default to the one in config/cris/cris.h.
3258         (CRIS_CPP_SUBTARGET_SPEC) <melinux && !nostdinc>: Remove special
3259         case isystem setting.
3260         (MAX_OFILE_ALIGNMENT): Correct to 32, not 16.
3261
3262 2005-01-25  Ian Lance Taylor  <ian@airs.com>
3263
3264         * gimple-low.c (block_may_fallthru): Correct handling of
3265         SWITCH_EXPR--may fall through if SWITCH_LABELS is NULL.
3266
3267 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
3268
3269         * config/cris/cris.h (CPP_SPEC): Adjust the various mtune=
3270         handlers to match indentation; nested under the mtune=* handler.
3271         Similar for mcpu= and march=.
3272
3273 2005-01-25  Daniel Jacobowitz  <dan@codesourcery.com>
3274
3275         * config/mips/linux.h (LIB_SPEC): Remove -rpath-link.
3276         * config/mips/linux64.h (LIB_SPEC): Likewise.
3277         * config/mn10300/linux.h (LIB_SPEC): Likewise.
3278         * config/sh/linux.h (LIB_SPEC): Likewise.
3279
3280 2005-01-25  Aldy Hernandez  <aldyh@redhat.com>
3281
3282         * config/frv/frv.c (frv_legitimize_tls_address): New.
3283         (TARGET_HAVE_TLS): Define.
3284         (FRV_SYMBOL_REF_TLS_P): Define.
3285         (frv_override_options): Handle new register classes.
3286         (frv_legitimate_address_p): Reject tls addresses.
3287         (frv_legitimize_address): Handle TLS addresses.
3288         (gen_inlined_tls_plt): New.
3289         (gen_tlsmoff): New.
3290         (frv_legitimize_tls_address): New.
3291         (unspec_got_name): Add TLS entries.
3292         (got12_operand): Add R_FRV_TLSMOFF12 case.
3293         (frv_emit_move): Fixup TLS addresses.
3294         (frv_emit_movsi): Legitimize TLS addresses.
3295
3296         * config/frv/frv.h (MASK_BIG_TLS): New.
3297         (TARGET_BIG_TLS): New.
3298         (HAVE_AS_TLS): Define.
3299         (TARGET_SWITCHES): Add -mTLS and -mtls options.
3300         (enum reg_class): Add GR8_REGS, GR9_REGS, GR89_REGS.
3301         (REG_CLASS_NAMES): Same.
3302         (REG_CLASS_CONTENTS): Same.
3303         (CONSTRAINT_LEN): New.
3304         (REG_CLASS_FROM_CONSTRAINT): New.
3305         (PREDICATE_CODES): Add symbolic_operand.
3306
3307         * config/frv/frv.md (define_constants): Add UNSPEC_GETTLSOFF,
3308         UNSPEC_TLS_LOAD_GOTTLSOFF12, UNSPEC_TLS_INDIRECT_CALL,
3309         UNSPEC_TLS_TLSDESC_LDD, UNSPEC_TLS_TLSDESC_LDD_AUX,
3310         UNSPEC_TLS_TLSOFF_LD, UNSPEC_TLS_LDDI, UNSPEC_TLSOFF_HILO,
3311         R_FRV_GOTTLSOFF_HI, R_FRV_GOTTLSOFF_LO, R_FRV_TLSMOFFHI,
3312         R_FRV_TLSMOFFLO, R_FRV_TLSMOFF12, R_FRV_TLSDESCHI,
3313         R_FRV_TLSDESCLO, R_FRV_GOTTLSDESCHI, R_FRV_GOTTLSDESCLO, GR8_REG,
3314         GR9_REG, GR14_REG, LRREG.
3315         (type): Add load_or_call attribute.
3316         ("load_or_call"): New reservation.
3317         ("call_gettlsoff"): New.
3318         ("tls_indirect_call"): New.
3319         ("tls_load_gottlsoff12"): New.
3320         ("tlsoff_hilo"): New.
3321         ("tls_tlsdesc_ldd"): New.
3322         ("tls_tlsoff_ld"): New.
3323         ("tls_lddi"): New.
3324
3325         * config/frv/frv-protos.h (symbolic_operand): Protoize.
3326
3327         2005-01-25  Alexandre Oliva  <aoliva@redhat.com>
3328
3329         * config/frv/frv.h (ASM_OUTPUT_DWARF_DTPREL): Define.
3330         * config/frv/frv-protos.h (frv_output_dwarf_dtprel): Declare.
3331         * config/frv/frv.c (TLS_BIAS): Define.
3332         (frv_output_dwarf_dtprel): New.
3333
3334 2005-01-26  Jakub Jelinek  <jakub@redhat.com>
3335
3336         PR rtl-optimization/19579
3337         * ifcvt.c (noce_try_cmove_arith): If emitting instructions to set up
3338         both A and B, see if they don't clobber registers the other expr uses.
3339
3340 2005-01-25  J"orn Rennecke <joern.rennecke@st.com>
3341
3342         * real.c (do_add): Initialize signalling and canonical members.
3343
3344         * real.c (real_from_integer): Zero out destination.
3345
3346 2005-01-18  Jan Hubicka  <jh@suse.cz>
3347
3348         PR tree-optimize/19337
3349         * tree-inline.c (initialize_inlined_parameters): Copy
3350         saved_static_chain_decl only.
3351
3352 2005-01-25  Richard Henderson  <rth@redhat.com>
3353
3354         PR target/19556
3355         PR target/19584
3356         * config/i386/i386.c (x86_inter_unit_moves): Zero.
3357         (ix86_preferred_reload_class): Rewrite fp-constant section, with
3358         80387 enabled, to return a proper subclass.  Return the subset that
3359         overlaps with GENERAL_REGS for PLUS.
3360         * config/i386/i386.md (movsi_1, movdi_2): Set type to "mmx" for pxor.
3361
3362 2005-01-25  Richard Henderson  <rth@redhat.com>
3363
3364         PR middle-end/19609
3365         * tree-complex.c (expand_complex_div_wide): Use the correct formulae.
3366
3367 2005-01-25  Roger Sayle  <roger@eyesopen.com>
3368
3369         * expmed.c (choose_multiplier): Change interface to return the
3370         multiplier lowpart as an rtx instead of an unsigned HOST_WIDE_INT.
3371         (expand_divmod): Update calls to choose_multiplier.
3372
3373 2005-01-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3374
3375         PR middle-end/19330
3376         * expmed.c (extract_bit_field): Use adjust_address instead of
3377         gen_lowpart when op0 is a MEM.
3378
3379 2005-01-24  Steven Bosscher  <stevenb@suse.de>
3380
3381         * cfgexpand.c (expand_gimple_tailcall): Fix typo.
3382
3383 2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
3384
3385         * config/mips/irix-csr.c: New file.
3386         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
3387         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
3388         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
3389         executables.
3390
3391 2005-01-24  Eric Botcazou  <ebotcazou@libertysurf.fr>
3392
3393         PR bootstrap/19364
3394         * config.gcc (sparc-*-elf*): Remove sol2.h, sparc/sol2.h and
3395         sparc/elf.h, add sparc/sp-elf.h.
3396         (sparc-*-rtems*): Likewise.
3397         (sparclite-*-elf*): Remove sol2.h, sparc/sol2.h, sparc/elf.h and
3398         tm-dwarf2.h, add sparc/sp-elf.h.
3399         (sparc86x-*-elf): Likewise.
3400         (sparc64-*-elf*): Remove sol2.h, sparc/sol2.h and tm-dwarf2.h.
3401         * config/sparc/liteelf.h (TARGET_SUB_OS_CPP_BUILTINS): Rename into
3402         TARGET_OS_CPP_BUILTINS.
3403         * config/sparc/sp86x-elf (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
3404         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
3405         Undefine it.
3406         * config/sparc/openbsd64.h (NO_IMPLICIT_EXTERN_C): Undefine.
3407         * config/sparc/sp64-elf.h (NO_IMPLICIT_EXTERN_C): New macro.
3408         (SWITCH_TAKES_ARG): Likewise.
3409         (LOCAL_LABEL_PREFIX): Likewise.
3410         (ASM_GENERATE_INTERNAL_LABEL): Likewise.
3411         (TARGET_N_FORMAT_TYPES): Delete.
3412         (TARGET_FORMAT_TYPES): Likewise.
3413         (ASM_DECLARE_FUNCTION_SIZE): Likewise.
3414         * config/sparc/elf.h: Delete.
3415         * config/sparc/sp-elf.h: New file.
3416
3417 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
3418
3419         * tree-flow-inline.h (phi_arg_from_edge): Remove.
3420         * tree-flow.h: Remove the corresponding prototype.
3421         * tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-ssa.c,
3422         tree-vectorizer.c: Use dest_idx instead of phi_arg_from_edge.
3423
3424 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
3425
3426         PR target/17751
3427         * config/rs6000/rs6000.c (rs6000_file_start): Create toc section
3428         for AIX ABI or ELF -fPIC.
3429         (rs6000_emit_load_toc_table): Don't create toc_section here.
3430         (rs6000_xcoff_file_start): Nor here.
3431
3432 2005-01-24  J"orn Rennecke <joern.rennecke@st.com>
3433
3434         * sh.c (ra.h): Don't #include.
3435         (hard_regs_intersect_p): New function, resurrected from ra.c.
3436
3437         * sh.c: Fix 1996 Copyright.
3438
3439 2005-01-24  Richard Henderson  <rth@redhat.com>
3440             Aldy Hernandez  <aldyh@redhat.com>
3441
3442         * regrename.c (note_sets): Handle subregs.
3443
3444 2005-01-24  Joseph S. Myers  <joseph@codesourcery.com>
3445
3446         PR bootstrap/18058
3447         * genconditions.c (write_header, write_conditions): Elide file if
3448         not GCC >= 3.0.1.
3449
3450 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
3451
3452         * c-opts.c, expmed.c, gengtype.c, tree-complex.c,
3453         config/arm/iwmmxt.md, config/avr/avr.c, config/s390/s390.h:
3454         Update copyright.
3455
3456 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
3457
3458         * builtins.c (get_pointer_alignment, gimplify_va_arg_expr,
3459         expand_builtin_printf, expand_builtin_fprintf,
3460         expand_builtin_sprintf): Use POINTER_TYPE_P instead TREE_CODE
3461         checking against POINTER_TYPE.
3462         (validate_arglist): Handle POINTER_TYPE code by checking
3463         POINTER_TYPE_P.
3464
3465 2005-01-24  Paolo Bonzini  <bonzini@gnu.org>
3466
3467         * rtlanal.c (non_rtx_starting_operands, for_each_rtx_1,
3468         init_rtlanal): New.
3469         (for_each_rtx): Call for_each_rtx_1.
3470         * rtl.h (init_rtlanal): Declare.
3471         * toplev.c (backend_init): Call init_rtlanal.
3472
3473 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
3474
3475         * flow.c (propagate_one_insn): Formatting.
3476
3477         PR middle-end/19551
3478         * flow.c (libcall_dead_p): Be more conservative if unsure.
3479         If there are any instructions between insn and call, see if they are
3480         all dead before saying the libcall is dead.
3481
3482 2005-01-24  Uros Bizjak  <uros@kss-loka.si>
3483
3484         * config/i386/i386.md (*extendsfdf2_sse): Use "nonimmediate_operand"
3485         operand constraint for operand 0.
3486
3487 2005-01-23  Richard Henderson  <rth@redhat.com>
3488
3489         PR 19486
3490         * tree-complex.c (expand_complex_div_wide): Set EDGE_FALLTHRU on
3491         edges leading to join block.
3492
3493 2005-01-23  Roger Sayle  <roger@eyesopen.com>
3494
3495         * expmed.c (expand_mult_highpart): Make static.  Change type of
3496         constant multiplier argument from unsigned HOST_WIDE_INT to rtx.
3497         (expand_divmod): Updates calls to expand_mult_highpart by using
3498         gen_int_mode to pass a CONST_INT rtx.
3499         * rtl.h (expand_mult_highpart): Remove prototype.
3500
3501 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
3502
3503         * flow.c (regset_bytes, regset_size): Remove.
3504
3505         * cfganal.c: Fix a reference to Harvey's paper.
3506
3507 2005-01-23  Steven Bosscher  <stevenb@suse.de>
3508
3509         PR rtl-optimization/19464
3510         * tree-optimize.c (init_tree_optimization_passes): Add one more
3511         copyrename pass just before out-of-ssa.
3512
3513 2005-01-23  Joseph S. Myers  <joseph@codesourcery.com>
3514
3515         PR bootstrap/18058
3516         * recog.c (recog_memoized): Don't define if GENERATOR_FILE.
3517         * ggc-none.c (ggc_free): Define.
3518
3519 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
3520
3521         * cse.c (max_reg, max_insn_uid): Remove.
3522         (cse_main): Don't access max_reg or max_insn_uid.
3523
3524         * c-common.c (explicit_flag_signed_bitfields,
3525         lang_statement_code_p, lang_expand_function_end): Remove.
3526         * c-common.h: Remove the corresponding declarations.
3527         * c-opts.c (c_common_handle_option): Remove all write access
3528         to explicit_flag_signed_bitfields.
3529
3530         * cgraph.c (cgraph_varpool_n_nodes): Remove.
3531         (cgraph_varpool_node): Don't access cgraph_varpool_n_nodes.
3532         * cgraph.h: Remove the corresponding declaration.
3533
3534         * gcse.c (null_pointer_info): Remove.
3535
3536 2005-01-23  Roger Sayle  <roger@eyesopen.com>
3537             Eric Botcazou  <ebotcazou@libertysurf.fr>
3538
3539         * combine.c (simplify_logical): Only simplify logical expressions
3540         of the form ior(and(x,y),z) by the inverse distributive law if the
3541         result is cheaper than the original.
3542
3543 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
3544
3545         * alias.c, c-common.h, c-incpath.c, c-incpath.h, expr.c,
3546         fold-const.c, gimplify.c, params.h, tree-data-ref.c,
3547         tree-if-conv.c, tree-nested.c, tree-outof-ssa.c,
3548         tree-ssa-dom.c, tree-vectorizer.c, tree.def, config/darwin.c,
3549         config/freebsd-spec.h, config/arm/arm.h,
3550         config/h8300/h8300.md, config/i386/i386.md,
3551         config/i386/predicates.md, config/i386/sse.md,
3552         config/ia64/ia64.c, config/ip2k/ip2k.c, config/s390/s390.c,
3553         config/vax/vax.md: Fix comment typos.  Follow spelling
3554         conventions.
3555
3556 2005-01-23  Steven Bosscher  <stevenb@suse.de>
3557
3558         * gengtype.c (walk_type): Produce `not equal to' compares for loop
3559         tests, instead of `less than'.
3560
3561 2005-01-23  Richard Sandiford  <rsandifo@redhat.com>
3562
3563         * function.c (assign_parm_setup_block): When creating a new stack slot
3564         for a parameter, get its alignment from the parameter's DECL_ALIGN
3565         rather than the type's TYPE_ALIGN.  Make sure that the parameter
3566         is at least word aligned.
3567
3568 2005-01-22  Roger Sayle  <roger@eyesopen.com>
3569
3570         PR middle-end/19378
3571         * config/avr/avr.c (avr_hard_regno_mode_ok): Rewrite.
3572
3573 2005-01-22  Richard Henderson  <rth@redhat.com>
3574
3575         PR target/19506
3576         * config/i386/i386.md (movsfcc_1_sse_max): Use nonimmediate_operand
3577         in both compare operands.
3578         (movdfcc_1_sse_max): Likewise.
3579         (movsfcc_1_sse): Likewise.  Add earlyclobber for scratch.
3580         (movdfcc_1_sse): Likewise.
3581         * config/i386/i386.c (ix86_split_sse_movcc): Emit copies into the
3582         scratch register as needed.
3583
3584 2005-01-22  Richard Henderson  <rth@redhat.com>
3585
3586         * config/i386/i386.md (smaxsf3): Fix mnemonic typo.
3587
3588         * config/i386/i386.c (ix86_prepare_fp_compare_args): Fix is_sse test.
3589
3590 2005-01-22  Richard Henderson  <rth@redhat.com>
3591
3592         * genopinit.c (optabs): Use smin/smax for floating point too.
3593         * doc/md.texi: Update to match.  Clarify that floating point
3594         results are undefined for +0/-0 and NaN.
3595         * doc/rtl.texi: Likewise.
3596         * rtl.def (SMIN, SMAX): Likewise
3597         * tree.def (MIN_EXPR, MAX_EXPR): Likewise.
3598
3599         * config/alpha/alpha.md (smaxdf3, smindf3, smaxsf3, sminsf3): Add
3600         leading 's' to the name.
3601         * config/ia64/ia64.md (smaxsf3, sminsf3, smaxdf3, smindf3,
3602         smaxxf3, sminxf3): Likewise.
3603         * config/rs6000/rs6000.md (smaxdf3, smindf3, smaxsf3, sminsf3):
3604         Likewise.
3605
3606 2005-01-22  Paul Brook  <paul@codesourcery.com>
3607
3608         * config/arm/arm.md: Use "Uy" constraint for wcgr load/stores.
3609
3610 2005-01-21  Mark Dettinger  <dettinge@de.ibm.com>
3611
3612         * config/s390/s390.c (struct processor_costs): New fields
3613         dlgr, dlr, dr, dsgfr, dsgr.
3614         (z900_cost, z990_cost): Values for new fields.
3615         (s390_rtx_costs): New cases MEM und COMPARE in switch
3616         statement. Modified handling of SIGN_EXTEND, ZERO_EXTEND,
3617         DIV, MOD, UDIV, UMOD.
3618
3619 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
3620
3621         * config/s390/s390.md ("doloop_si64"): Reload input value directly
3622         into the register being decremented.
3623         ("doloop_si31", "doloop_di"): Likewise.
3624         ("*doloop_si_long"): Adapt pattern.
3625
3626 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
3627
3628         * config/s390/s390.h (HARD_REGNO_NREGS): Fix computation for
3629         access registers.
3630         (CLASS_MAX_NREGS): Likewise.
3631
3632 2005-01-21  Daniel Berlin  <dberlin@dberlin.org>
3633
3634         * doc/tree-ssa.texi (Statement Operands): Add example for new
3635         must-def macro. Note deprecation of old operands interface.
3636
3637 2005-01-22  Richard Sandiford  <rsandifo@redhat.com>
3638
3639         PR tree-optimization/19484
3640         * tree-cfg.c (remove_fallthru_edge): New function.
3641         (cleanup_control_flow): Remove fallthru edges from calls that are
3642         now known not to return.
3643
3644 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
3645
3646         Fix PR tree-optimization/19038
3647         * tree-ssa-dom.c (cprop_operand): Don't replace loop invaeriant
3648         copies with loop variant ones.
3649
3650 2005-01-22  Kazu Hirata  <kazu@cs.umass.edu>
3651
3652         * cfganal.c, real.h, reorg.c, timevar.def, tree-ssa-ccp.c,
3653         config/alpha/alpha-protos.h, config/alpha/alpha.h,
3654         config/alpha/alpha.md, config/alpha/predicates.md,
3655         config/sparc/freebsd.h, config/sparc/netbsd-elf.h,
3656         config/sparc/sol2.h: Update copyright.
3657
3658         * tree-cfg.c (remove_forwarder_block_with_phi): Look at the
3659         first label to see if it is a nonlocal label.
3660
3661 2005-01-22  David Edelsohn  <edelsohn@gnu.org>
3662             Andrew Pinski  <pinskia@physics.uc.edu>
3663
3664         PR target/19491
3665         * config/rs6000/rs6000.c (rs6000_va_start): Saturate n_gpr at
3666         maximum number of GPRs.  Saturate n_fpr at maximum number of FPRs.
3667
3668 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
3669
3670         * config/rs6000/rtems.h: Update copyright.
3671
3672 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
3673
3674         PR target/19548
3675         * config/rs6000/rtems.h: Resurrect cpp_os_rtems_spec from gcc < 3.4.
3676         (CPP_OS_RTEMS_SPEC): New (From gcc-3.3's config/rs6000/sys4.h).
3677         (SUBSUBTARGET_EXTRA_SPECS): Use CPP_OS_RTEMS_SPEC.
3678
3679 2005-01-22  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
3680
3681         PR c/18809
3682         * c-typeck.c (convert_arguments): Check for error_mark_node.
3683
3684 2005-01-21  Ian Lance Taylor  <ian@airs.com>
3685
3686         PR tree-optimization/13000
3687         * tree-inline.c: Include "tree-flow.h".
3688         (expand_call_inline): If warn_return_type, warn if non-void inline
3689         function falls through.
3690         * tree-cfg.c (execute_warn_function_return): Don't warn about
3691         control reaching end if TREE_NO_WARNING is set.  Set
3692         TREE_NO_WARNING.
3693         * gimple-low.c (block_may_fallthru): Don't assume that SWITCH_EXPR
3694         has been lowered.
3695         * gimplify.c (shortcut_cond_expr): Don't emit a jump over the else
3696         branch if we don't need one.
3697         * c-typeck.c: Include "tree-flow.h"
3698         (c_finish_bc_stmt): Don't add a goto if the current statement
3699         list doesn't fall through to the current point.
3700
3701 2005-01-21  Roger Sayle  <roger@eyesopen.com>
3702
3703         PR rtl-optimization/576
3704         * real.c (real_arithmetic): Change return type from void to bool
3705         to return an indication that the result may be inexact.
3706         * real.h (real_arithmeric): Update prototype.
3707         * fold-const.c (const_binop):  Don't constant fold floating
3708         point expressions when the user specifies -frounding-math and
3709         the result may depend upon the run-time rounding mode.
3710         (fold_convert_const_real_from_real): Clean-up.
3711         (fold_initializer): Ignore flag_rounding_math for initializers.
3712         * simplify-rtx.c (simplify_binary_operation): Likewise, don't
3713         constant fold FP operations with flag_rounding_math if the
3714         result may depend upon the run-time rounding mode.
3715
3716 2005-01-21  Tom Tromey  <tromey@redhat.com>
3717
3718         * c-cppbuiltin.c (define__GNUC__): Correct assertion.
3719
3720 2005-01-21  Kazu Hirata  <kazu@cs.umass.edu>
3721
3722         * tree-cfg.c: Fix comment typos.
3723
3724 2005-01-21  J"orn Rennecke <joern.rennecke@st.com>
3725
3726         * passes.c (rest_of_handle_flow2): Close / open the flow2 dump file
3727         around the call to rest_of_handle_branch_target_load_optimize.
3728
3729 2005-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
3730
3731         * config.gcc (sparc-*-netbsdelf*): Include dbxelf.h
3732         (sparc64-*-openbsd*): Likewise.
3733         (sparclite-*-elf*): Include tm-dwarf2.h.
3734         (sparc86x-*-elf*): Likewise.
3735         (sparc64-*-elf*): Likewise.
3736         * config/sparc/linux64.h (DWARF2_DEBUGGING_INFO): Delete.
3737         (DBX_DEBUGGING_INFO): Likewise.
3738         * config/sparc/liteelf.h (DWARF2_DEBUGGING_INFO): Likewise.
3739         (PREFERRED_DEBUGGING_TYPE): Likewise.
3740         * config/sparc/netbsd-elf.h (PREFERRED_DEBUGGING_TYPE): Likewise.
3741         * config/sparc/sp64-elf.h (DBX_DEBUGGING_INFO): Likewise.
3742         (PREFERRED_DEBUGGING_TYPE): Likewise.
3743         * config/sparc/sp86x-elf.h (DWARF2_DEBUGGING_INFO): Likewise.
3744         (PREFERRED_DEBUGGING_TYPE): Likewise.
3745         * config/sparc/sparc.h (DBX_DEBUGGING_INFO): Likewise.
3746
3747 2005-01-21  Hans-Peter Nilsson  <hp@bitrange.com>
3748
3749         PR target/18701
3750         * combine.c (combine_simplify_rtx): Revert change of 2004-12-31.
3751
3752 2005-01-20  Paul Brook  <paul@codesourcery.com>
3753
3754         * doc/rtl.texi: Document value extension requirements for CONST_INT.
3755
3756 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
3757
3758         * tree-cfg.c (tree_verify_flow_info): Check that a nonlocal
3759         label is first in a sequence of labels.
3760
3761         * tree-cfg.c (tree_verify_flow_info): Fix a typo.
3762
3763 2005-01-20  Janis Johnson  <janis187@us.ibm.com>
3764             Giovanni Bajo  <giovannibajo@gcc.gnu.org>
3765
3766         * doc/sourcebuild.texi (Test Directives): New.
3767
3768 2005-01-20  Roger Sayle  <roger@eyesopen.com>
3769
3770         * real.c (real_floor): Don't leave the result uninitialized when
3771         mode is VOIDMode, but return the unrounded intermediate value.
3772         (real_ceil): Likewise.
3773
3774 2005-01-20  Paul Brook  <paul@codesourcery.com>
3775
3776         * config/arm/arm.md (insv): Use gen_int_mode.
3777
3778 2005-01-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
3779
3780         * config/sparc/freebsd.h (ASM_OUTPUT_INTERNAL_LABELREF): Delete.
3781         * config/sparc/linux.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
3782         * config/sparc/linux64.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
3783         * config/sparc/netbsd-elf.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
3784         * config/sparc/sol2.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
3785
3786 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
3787
3788         Fix PR debug/19124
3789         * dwarf2out.c (concat_loc_descriptor): We don't know we can use
3790         fbreg, so we have to assume we can't.
3791         (loc_descriptor_from_tree_1): Ditto.
3792         (containing_function_has_frame_base): New function.
3793         (add_location_or_const_value_attribute): Use it.
3794         Also try to generate a frame_base from a single element location
3795         list.
3796
3797 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
3798
3799         PR tree-optimization/15349
3800         * timevar.def (TV_TREE_MERGE_PHI): New.
3801         * tree-cfg.c (tree_forwarder_block_p): Add a new argument
3802         PHI_WANTED.
3803         (remove_forwarder_block, cleanup_forwarder_blocks): Adjust the
3804         calls to tree_forwarder_block_p.
3805         (remove_forwarder_block_with_phi, merge_phi_nodes,
3806         gate_merge_phi, pass_merge_phi): New.
3807         * tree-optimize.c (init_tree_optimization_passes): Add
3808         pass_merge_phi.
3809         * tree-pass.h: Add an extern for pass_merge_phi;
3810
3811 2005-01-20  Richard Henderson  <rth@redhat.com>
3812
3813         PR target/19418
3814         * config/i386/emmintrin.h (_mm_castpd_ps, _mm_castpd_si128): New.
3815         (_mm_castps_pd, _mm_castps_si128): New.
3816         (_mm_castsi128_ps, _mm_castsi128_pd): New.
3817
3818 2005-01-20  Richard Henderson  <rth@redhat.com>
3819
3820         PR target/19530
3821         * config/i386/mmintrin.h (_mm_cvtsi32_si64): Use
3822         __builtin_ia32_vec_init_v2si.
3823         (_mm_cvtsi64_si32): Use __builtin_ia32_vec_ext_v2si.
3824         * config/i386/i386.c (IX86_BUILTIN_VEC_EXT_V2SI): New.
3825         (ix86_init_mmx_sse_builtins): Create it.
3826         (ix86_expand_builtin): Expand it.
3827         (ix86_expand_vector_set): Handle V2SFmode and V2SImode.
3828         * config/i386/mmx.md (vec_extractv2sf_0, vec_extractv2sf_1): New.
3829         (vec_extractv2si_0, vec_extractv2si_1): New.
3830
3831 2005-01-20  Richard Henderson  <rth@redhat.com>
3832
3833         PR target/16533
3834         * config/i386/i386.c (ix86_expand_push): New.
3835         * config/i386/mmx.md (push<MMXMODE>1): New.
3836         * config/i386/sse.md (push<SSEMODE>1): New.
3837         * config/i386/i386-protos.h: Update.
3838
3839 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
3840
3841         * params.def, params.h, predict.c, tree-ssa-loop-im.c: Update
3842         copyright.
3843
3844 2005-01-20  Richard Henderson  <rth@redhat.com>
3845
3846         * rtl.def (CONST_VECTOR): Use RTX_CONST_OBJ.
3847         * rtl.h (CONSTANT_P): Don't special case CONST_VECTOR.
3848
3849 2005-01-19  Richard Henderson  <rth@redhat.com>
3850
3851         PR target/19350
3852         * config/i386/i386.c (ix86_expand_vector_move_misalign): Convert
3853         to V4SFmode in SSE1 fallback load path.
3854
3855 2005-01-19  Richard Henderson  <rth@redhat.com>
3856
3857         * config/i386/i386.c (ix86_expand_vector_init_one_var): Fix typo
3858         in QImode expansion to ix86_expand_vector_set.
3859         (ix86_expand_vector_init_general): Fix typo in V8HImode recursive call.
3860
3861 2005-01-19  Richard Henderson  <rth@redhat.com>
3862
3863         PR target/19511
3864         * config/i386/i386.c (ix86_preferred_reload_class): Return a proper
3865         subclass of the input class.
3866         (ix86_secondary_memory_needed): Always true for cross-MMX classes.
3867         Always true for cross-SSE1 classes.  Rationalize conditionals.
3868         * config/i386/i386.h (SSE_CLASS_P, MMX_CLASS_P): Use straight equality.
3869         * config/i386/i386.md (movsi_1): Add MMX/SSE zeros.  Fix alternatives
3870         for SSE1.  Don't check TARGET_INTER_UNIT_MOVES.
3871         (movdi_2): Add MMX/SSE zeros.
3872         (movdi_1_rex64): Likewise.  Don't check TARGET_INTER_UNIT_MOVES.
3873         (movsf_1): Don't check TARGET_INTER_UNIT_MOVES.
3874         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
3875         (movsi_1_nointernunit, movdi_1_rex64_nointerunit): Remove.
3876         (movsf_1_nointerunit, zero_extendsidi2_32_1): Remove.
3877         (zero_extendsidi2_rex64_1): Remove.
3878         (MOV0 peephole): Check GENERAL_REG_P.
3879
3880 2005-01-19  Richard Henderson  <rth@redhat.com>
3881
3882         PR target/19427
3883         * config/i386/i386.c (ix86_expand_vector_set): Fix third and fourth
3884         shufps elements.
3885         (ix86_expand_vector_extract): Likewise.
3886
3887 2005-01-19  Richard Henderson  <rth@redhat.com>
3888
3889         PR middle-end/19304
3890         * expr.c (emit_move_change_mode): New argument force; use
3891         simplify_gen_subreg if true.
3892         (emit_move_via_alt_mode): Merge into ...
3893         (emit_move_via_integer): ... here.
3894         (emit_move_ccmode): Use emit_move_change_mode directly.
3895
3896 2005-01-19  Richard Henderson  <rth@redhat.com>
3897
3898         PR target/19518
3899         * config/alpha/alpha.c (alpha_rtx_costs): Handle HIGH.
3900         (alpha_preferred_reload_class): Handle CONST_VECTOR.
3901         (alpha_emit_set_const_1): Add no_output parameter; don't emit
3902         rtl if true.
3903         (alpha_emit_set_const): Likewise.  Make static.
3904         (alpha_emit_set_long_const): Make static.
3905         (alpha_extract_integer): Split out from alpha_expand_mov.
3906         (alpha_split_const_mov): Likewise.
3907         (alpha_expand_mov): Use them.  Handle CONST_VECTOR.
3908         (alpha_legitimate_constant_p): New.
3909         * config/alpha/alpha-protos.h: Update.
3910         * config/alpha/alpha.h (REGISTER_MOVE_COST): Correct fp<->gp cost.
3911         (LEGITIMATE_CONSTANT_P): Re-implement with a function.
3912         * config/alpha/alpha.md (movsi): Add n alternative.
3913         (movsi_nt_vms, movdi_er_nofix, movdi_er_fix, movdi_fix): Likewise.
3914         (mov<VEC>_fix, mov<VEC>_nofix): Add i alternative.
3915         (splitters for all of the above): Use alpha_split_const_mov.
3916         * config/alpha/predicates.md (non_add_const_operand): New.
3917         (non_zero_const_operand): New.
3918         (input_operand): Use alpha_legitimate_constant_p after reload.
3919
3920 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
3921
3922         PR tree-optimization/19038
3923         * tree-ssa-loop-ivopts.c (allow_ip_end_pos_p): New function.
3924         (add_candidate): Add ivs with increment in latch only if
3925         allow_ip_end_pos_p is true.
3926         (determine_iv_cost): Use empty_block_p.
3927
3928 2005-01-19  Daniel Berlin  <dberlin@dberlin.org>
3929
3930         * cfganal.c (compute_dominance_frontiers_1): Replace with new algorithm
3931         (compute_dominance_frontiers): Ditto.
3932
3933 2005-01-19  Ralf Corsepius  <ralf.corsepius@rtems.org>
3934
3935         PR target/19529
3936         * config/sh/t-rtems: New.
3937         * config.gcc (sh-*-rtems*): Reflect having added config/sh/t-rtems.
3938
3939 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
3940
3941         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Always subtract
3942         the offset of the selected field.
3943
3944 2005-01-19  Kazu Hirata  <kazu@cs.umass.edu>
3945
3946         * tree-cfg.c (remove_forwarder_block): Fix the check to
3947         prevent a nonlocal label from appearing in the middle of a
3948         basic block.
3949
3950 2005-01-19  Hans-Peter Nilsson  <hp@axis.com>
3951
3952         PR rtl-optimization/19462
3953         * reorg.c (find_end_label): Create return insn only if
3954         current_function_epilogue_delay_list is empty.
3955
3956 2005-01-19  Paolo Bonzini  <bonzini@gnu.org>
3957
3958         * doc/passes.texi: Remove paragraph mentioning new-ra.
3959
3960 2005-01-19  Jakub Jelinek  <jakub@redhat.com>
3961
3962         PR rtl-optimization/15139
3963         * combine.c: Include params.h.
3964         (count_rtxs): New function.
3965         (record_value_for_reg): If replace_rtx would replace at least
3966         2 occurrences of REG in VALUE and TEM is really large, replace REG with
3967         (clobber (const_int 0)) instead of TEM.
3968         * params.def (PARAM_MAX_LAST_VALUE_RTL): New.
3969         * params.h (MAX_LAST_VALUE_RTL): New.
3970         * Makefile.in (combine.o): Depend on $(PARAMS_H).
3971         * doc/invoke.texi (--param max-last-value-rtl=N): Document.
3972
3973         PR c/17297
3974         * c-typeck.c (digest_init): Only call build_vector if all constructor
3975         elements are *_CST nodes.
3976         * gimplify.c (gimplify_init_constructor): Likewise.
3977
3978         PR middle-end/19164
3979         * c-typeck.c (digest_init): Only call build_vector if inside_init
3980         is a CONSTRUCTOR.
3981
3982 2005-01-18  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
3983
3984         * toplev.c (init_asm_output): Remove dead #ifdef.
3985
3986 2005-01-18  Kaz Kojima  <kkojima@gcc.gnu.org>
3987
3988         * config/sh/linux.h (TARGET_C99_FUNCTIONS): Define.
3989
3990 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
3991
3992         * calls.c (expand_call): Check DECL_BUILT_IN_CLASS before
3993         accessing DECL_FUNCTION_CODE.
3994         * dojump.c (do_jump): Likewise.
3995         * gimplify.c (gimplify_call_expr): Likewise.
3996         * predict.c (expr_expected_value): Likewise.
3997         (strip_builtin_expect): Likewise.
3998         * tree-inline.c (estimate_num_insns_1): Likewise.
3999         * tree-ssa-loop-im.c (stmt_cost): Likewise
4000         * fold-const.c (fold): Test for BUILT_IN_NORMAL.
4001         (tree_expr_nonnegative_p): Likewise.
4002
4003 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
4004
4005         * config/sparc/sparc.c (load_pic_register): Emit the appropriate
4006         variant of the load_pcrel_sym pattern.
4007         * config/sparc/sparc.md (P macro): Move to the top.
4008         (load_pcrel_sym): Macroize using P.
4009         (save_register_window): Likewise.
4010
4011 2005-01-18  Aldy Hernandez  <aldyh@redhat.com>
4012
4013         * config/rs6000/rs6000.md ("sunordered"): Disable for e500.
4014         ("sordered"): Same.
4015
4016 2005-01-18  Andrew Pinski  <pinskia@physics.uc.edu>
4017
4018         PR C/19472
4019         * c-typeck.c (build_asm_expr): Strip nops off
4020         input memory operands.
4021
4022 2005-01-18  David Edelsohn  <edelsohn@gnu.org>
4023
4024         * config/rs6000/aix43.h (CPLUSPLUS_CPP_SPEC): Delete
4025         _XOPEN_SOURCE, _XOPEN_SOURCE_EXTENDED, _LARGE_FILE_API.
4026         * config/rs6000/aix51.h (CPLUSPLUS_CPP_SPEC): Same.
4027         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Same.
4028
4029 2005-01-18  Joel Sherrill <joel.sherrill@oarcorp.com>
4030
4031         PR target/19379
4032         * config/i386/i386.c (override_options): If the 80387 is disabled,
4033         then do not return FP values using FP registers.
4034
4035 2005-01-18  Kazu Hirata  <kazu@cs.umass.edu>
4036
4037         * basic-block.h, c-common.c, c-cppbuiltin.c, c-lang.c,
4038         c-tree.h, cfgbuild.c, cgraph.c, cgraph.h, collect2.c,
4039         combine.c, config.gcc, coverage.h, cse.c, cselib.c,
4040         defaults.h, df.c, dwarf2asm.c, dwarf2out.c, explow.c, expr.c,
4041         flow.c, fold-const.c, gcse.c, ggc-page.c, gimple-low.c,
4042         gimplify.c, ifcvt.c, langhooks-def.h, lcm.c, optabs.h,
4043         output.h, postreload-gcse.c, postreload.c, recog.c,
4044         resource.c, rtl.def, rtlanal.c, sched-deps.c, sched-rgn.c,
4045         targhooks.h, toplev.c, tree-data-ref.c, tree-eh.c,
4046         tree-flow.h, tree-loop-linear.c, tree-mudflap.h, tree-nrv.c,
4047         tree-optimize.c, tree-outof-ssa.c, tree-pass.h,
4048         tree-scalar-evolution.c, tree-ssa-copy.c, tree-ssa-dce.c,
4049         tree-ssa-dse.c, tree-ssa-loop-ivopts.c, tree-ssa-operands.c,
4050         tree-ssa-pre.c, tree-ssa.c, tree-vectorizer.c, tree.def,
4051         unwind-dw2-fde-darwin.c, var-tracking.c: Update copyright.
4052
4053         * config/darwin.c, config/darwin.h, config/freebsd-spec.h,
4054         config/alpha/alpha.c, config/arm/vfp.md,
4055         config/i386/emmintrin.h, config/i386/i386-modes.def,
4056         config/i386/i386-protos.h, config/i386/i386.h,
4057         config/i386/pmmintrin.h, config/i386/ppro.md,
4058         config/i386/predicates.md, config/i386/xmmintrin.h,
4059         config/i860/i860.c, config/ia64/ia64-modes.def,
4060         config/ia64/ia64-protos.h, config/ia64/ia64.h,
4061         config/ia64/ia64.md, config/ia64/itanium1.md,
4062         config/ia64/itanium2.md, config/ia64/predicates.md,
4063         config/iq2000/iq2000.h, config/mips/linux64.h,
4064         config/rs6000/aix41.h, config/rs6000/aix43.h,
4065         config/rs6000/aix52.h, config/rs6000/darwin-fallback.c,
4066         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
4067         config/rs6000/spe.md, config/sh/sh.md, config/sparc/linux.h,
4068         config/sparc/linux64.h, config/sparc/litecoff.h,
4069         config/sparc/sp64-elf.h, config/sparc/sparc.c,
4070         config/sparc/sparc.h, config/sparc/sparc.md,
4071         config/sparc/sysv4-only.h: Update copyright.
4072
4073 2005-01-18  Richard Henderson  <rth@redhat.com>
4074
4075         PR target/19496
4076         * config/i386/i386.c (ix86_expand_fp_movcc): Fail for LTGT and UNEQ.
4077
4078 2005-01-18  Marc Espie  <espie@openbsd.org>
4079         * config/i386/openbsdelf.h: Typo.
4080
4081 2005-01-18  Richard Henderson  <rth@redhat.com>
4082
4083         * config/i386/i386.c (ix86_expand_fp_movcc): Remove TARGET_IEEE_FP
4084         special case for sse.
4085         * config/i386/predicates.md (sse_comparison_operator): Likewise.
4086
4087 2005-01-18  Dorit Naishlos  <dorit@il.ibm.com>
4088
4089         * tree-inline.c (estimate_num_insns_1): Added cases for
4090         ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF, and REALIGN_LOAD_EXPR.
4091
4092 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
4093
4094         PR rtl-optimization/19296
4095         * combine.c (simplify_comparison): Rewrite the condition under
4096         which a non-paradoxical SUBREG of a PLUS can be lifted when
4097         compared against a constant.
4098
4099 2005-01-18  Andi Kleen <ak@muc.de>
4100
4101         * c-typeck.c: (convert_for_assignment): Check warn_pointer_sign.
4102         * c.opt (-Wpointer-sign): Add.
4103         * doc/invoke.texi: (-Wpointer-sign): Add.
4104
4105 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
4106
4107         * config/i386/i386.c (override_options): Revert 2004-11-24 change.
4108         * config/i386/i386.md (fmodsf3, dremsf3, *sinsf2, *cossf2, sincossf3,
4109         *tansf3_1, tansf2, atan2sf3_1, atan2sf3, atansf2, asinsf2, acossf2,
4110         logsf2, log10sf2, log2sf2, log1psf2, logbsf2, ilogbsf2, expsf2,
4111         exp10sf2, exp2sf2, expm1sf2, rintsf2, floorsf2, ceilsf2, btruncsf2,
4112         nearbyintsf2): Disable for TARGET_SSE_MATH.  Leave patterns enabled
4113         for TARGET_MIX_SSE_I387.
4114         (fmoddf3, dremdf3, *sindf2, *sinextendsfdf2, *cosdf2, *cosextendsfdf2,
4115         sincosdf3, *sincosextendsfdf3, *tandf3_1, tandf2, atan2df3_1,
4116         atan2df3, atandf2, asindf2, acosdf2, logdf2, log10df2, log2df2,
4117         log1pdf2, logbdf2, expdf2, exp10df2, exp2df2, expm1df2, rintdf2,
4118         floordf2, ceildf2, btruncdf2, nearbyintdf2): Disable for
4119         (TARGET_SSE2 && TARGET_SSE_MATH).  Leave patterns enabled for
4120         TARGET_MIX_SSE_I387.
4121         (atan2sf3, atan2df3, atan2xf3): Remove register constraints
4122         from expander.
4123
4124 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
4125
4126         PR target/19424
4127         * config/i386/mmx.md (*movv2sf_internal_rex64, *movv2sf_internal):
4128         Add movaps alternative for xmm reg->reg move.
4129
4130 2005-01-17  Jeff Law  <law@redhat.com>
4131
4132         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Clear SSA_NAME_VALUE
4133         at the end of the main DOM loop rather than just before DOM exits.
4134
4135 2005-01-17  Diego Novillo  <dnovillo@redhat.com>
4136
4137         PR tree-optimization/19121
4138         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): When
4139         adding aliases to a name tag, also add them to the pointer's
4140         type tag.
4141         * tree-ssa-copy.c (merge_alias_info): Do not merge flow
4142         sensitive alias info at all.  Only check that the two pointers
4143         have compatible pointed-to sets.
4144         * tree-ssa.c (verify_name_tags): Verify that the alias set of
4145         a pointer's type tag is a superset of the alias set of the
4146         pointer's name tag.
4147
4148 2005-01-17  James E Wilson  <wilson@specifixinc.com>
4149
4150         PR target/19357
4151         * config/ia64/ia64.md (movxf): Handle general register source.  Adjust
4152         comment to document why.
4153
4154 2005-01-17  Richard Henderson  <rth@redhat.com>
4155
4156         * config/i386/sse.md (smaxv4sf3_finite, sse_vmsmaxv4sf3_finite,
4157         sminv4sf3_finite, sse_vmsminv4sf3_finite, smaxv2df3_finite,
4158         sse2_vmsmaxv2df3_finite, sminv2df3_finite,
4159         sse2_vmsminv2df3_finite): New.
4160         (smaxv4sf3, sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, smaxv2df3,
4161         sse2_vmsmaxv2df3, sminv2df3, sse2_vmsminv2df3): Remove commutative.
4162         Force op1 into register.
4163
4164 2005-01-17  Kelley Cook  <kcook@gcc.gnu.org>
4165
4166         * Makefile.in (STAGEMOVESTUFF): Stage all the stamp files to prevent
4167         bubblestrap from always rebuilding build directory.
4168
4169 2005-01-17  Ulrich Weigand  <uweigand@de.ibm.com>
4170
4171         * config/s390/s390.md ("*clc"): Remove incorrect '='.
4172         ("*cmpmem_short"): Likewise.
4173
4174 2005-01-17  Steven Bosscher  <stevenb@suse.de>
4175
4176         * basic-block.h: Document BB_* flags.
4177         * regrename.c (copyprop_hardreg_forward): Don't use BB_VISITED,
4178         use an sbitmap instead.
4179         * sched-rgn.c (compute_trg_info): Likewise.
4180
4181 2005-01-17  Richard Sandiford  <rsandifo@redhat.com>
4182
4183         * config.gcc (mips64*-*-linux*): Set the default abi to n32.  Remove
4184         redundant target_cpu_default and extra_parts lines.  Use the default
4185         "from-abi" ISA.
4186         * config/mips/linux64.h (DRIVER_DEFAULT_ABI_SELF_SPEC): Delete.
4187         (SUBTARGET_EXTRA_SPECS): Delete.
4188         (DRIVER_SELF_SPECS): Remove architecture lines.  Set the ABI directly.
4189         (SUBTARGET_ASM_SPEC): Remove -mabi=n32 and -mabi=64 mappings.
4190         * config/mips/t-linux64 (MULTILIB_DIRNAMES): Use "32" for -mabi=32
4191         and "n32" for -mabi=n32.
4192
4193 2005-01-17  Ian Lance Taylor  <ian@airs.com>
4194
4195         PR c/5675
4196         * c-typeck.c (build_c_cast): Revert patch of 2003-02-16: don't
4197         fold constant variables into initial values.
4198
4199 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
4200
4201         * tree-cfg.c (tree_can_merge_blocks_p): Reorder two checks.
4202
4203         * tree-cfg.c (tree_forwarder_block_p): Speed up by walking
4204         through the statements backward.
4205
4206 2005-01-17  Ian Lance Taylor  <ian@airs.com>
4207
4208         PR middle-end/13127:
4209         * tree-inline.c (expand_call_inline): Set TREE_NO_WARNING on
4210         a variable set to the return value of the inlined function.
4211
4212 2005-01-17  Mark Dettinger  <dettinge@de.ibm.com>
4213
4214         * rtlanal.c (rtx_cost): Assign cost of 0 to a SUBREG
4215         when modes are tieable.
4216
4217 2005-01-17  Ranjit Mathew  <rmathew@hotmail.com>
4218
4219         * gthr-posix.h (__gthread_active_p): Use pthread_cancel instead
4220         of pthread_create to find out if threads are enabled.
4221         * gthr-posix95.h (__gthread_active_p): Likewise.
4222
4223 2005-01-17  Paolo Bonzini  <bonzini@gnu.org>
4224
4225         * common.opt (-fnew-ra): Remove.
4226         * ra*.*: Remove.
4227         * toplev.h (flag_new_regalloc): Remove.
4228         * Makefile.in (ra*.*): Don't mention.
4229         * passes.c (rest_of_handle_new_regalloc): Remove.
4230         (rest_of_handle_combine, rest_of_compilation): Always consider
4231         flag_new_regalloc as false.
4232         * doc/invoke.texi: Don't document -fnew-ra.
4233
4234 2005-01-17  Paolo Bonzini <bonzini@gnu.org>
4235
4236         * bb-reorder.c (fix_edges_for_rarely_executed_code): Remove
4237         last parameter to reg_scan.
4238         * loop.c (loop_optimize): Likewise.
4239         * passes.c (rest_of_handle_tracer, rest_of_handle_if_conversion,
4240         rest_of_handle_web, rest_of_handle_cfg, rest_of_handle_jump_bypass,
4241         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
4242         rest_of_handle_gcse, rest_of_handle_loop_optimize,
4243         rest_of_handle_loop2, rest_of_handle_jump2): Likewise.
4244         * regclass.c (reg_scan): Likewise, for the declaration.
4245         * rtl.h (reg_scan): Likewise, for the prototype.
4246
4247 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
4248
4249         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Don't call
4250         mark_dfs_back_edges.
4251
4252 2005-01-16  Daniel Berlin  <dberlin@dberlin.org>
4253
4254         * tree-ssa-pre.c (add_to_sets): s1 may be NULL.
4255         (compute_avail): Uses don't go in tmp_gen.
4256
4257 2005-01-16  Steven Bosscher  <stevenb@suse.de>
4258
4259         * ggc-page.c (ggc_alloc_stat): Use __builtin_ctzl instead of a
4260         loop to look for a free slot in a page entry.
4261
4262 2005-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4263
4264         PR target/16304
4265         * defaults.h (TARGET_DEFERRED_OUTPUT_DEFS): Provide default.
4266         * toplev.c (compile_file): Call process_pending_assemble_output_defs
4267         just before targetm.asm_out.file_end.
4268         * tree.h (process_pending_assemble_output_defs): Declare.
4269         * varasm.c (assemble_output_def, process_pending_assemble_output_defs):
4270         New functions.
4271         (assemble_alias): Defer generation of assembly code for defines when
4272         TARGET_DEFERRED_OUTPUT_DEFS is true.
4273         * config/rs6000/aix41.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
4274         * config/rs6000/aix43.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
4275         * doc/tm.texi (TARGET_DEFERRED_OUTPUT_DEFS): document.
4276
4277 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4278
4279         PR target/19336
4280         * pa.c (pa_scalar_mode_supported_p): New function.
4281         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
4282         * pa.h (MIN_UNITS_PER_WORD): Add comment.
4283
4284         * pa-protos.h (prefetch_operand): Delete.
4285         (prefetch_cc_operand, prefetch_nocc_operand): New declations.
4286         * pa.c (prefetch_operand): Delete.
4287         (prefetch_cc_operand, prefetch_nocc_operand): New functions.
4288         * pa.h (EXTRA_CONSTRAINT): Add `W' constraint.
4289         (PREDICATE_CODES): Delete prefetch_operand.  Add prefetch_cc_operand
4290         and prefetch_nocc_operand.
4291         * pa.md (prefetch): Rework to avoid reload problems handling short
4292         displacements when a cache control completer needs to be provided.
4293         (prefetch_32, prefetch_64): Delete.
4294         (prefetch_cc, prefetch_nocc): New patterns.
4295
4296 2005-01-15  David Edelsohn  <edelsohn@gnu.org>
4297
4298         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Revert previous change.
4299
4300 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4301
4302         PR ada/19388
4303         * pa.c (pa_asm_output_aligned_common): Warn if specified alignment
4304         exceeds maximum alignment for global common data.
4305         * pa64-hpux.h (MAX_OFILE_ALIGNMENT): Define to 32768.
4306         * som.h (MAX_OFILE_ALIGNMENT): Likewise.
4307
4308 2004-01-15  Roger Sayle  <roger@eyesopen.com>
4309
4310         * tree-ssa-dom.c (extract_range_from_cond): Correct condition.
4311
4312 2004-01-15  Roger Sayle  <roger@eyesopen.com>
4313
4314         * harg-reg-set.h (reg_class_names): Prototype global array.
4315         * regclass.c (reg_class_names): Declare here and initialize to
4316         REG_CLASS_NAMES.
4317         (dump_regclass): Remove local declaration of reg_class_names.
4318         (regclass): Likewise.
4319         * cfg.c (dump_flow_info): Likewise.
4320         * ra-debug.c (reg_class_names): Likewise.
4321         * regrename.c (reg_class_names): Likewise.
4322         * reload.c (reg_class_names): Likewise.
4323         * reload1.c (spill_failure): Likewise.
4324         * config/m68hc11/m68hc11.c (reg_class_names): Likewise.
4325
4326 2005-01-15  Ulrich Weigand  <uweigand@de.ibm.com>
4327
4328         * config/s390/s390.md ("reload_outti"): Remove predicate for
4329         output operand.  Abort if operand is not a MEM.
4330         ("reload_outdi", "reload_outdf"): Likewise.
4331
4332 2005-01-15  Marc Espie  <espie@openbsd.org>
4333
4334         * config.gcc (*-*-openbsd*): Set HAS_LIBC_R for OpenBSD <= 3.2.
4335         (i[34567]86-*-openbsd*): Switch to ELF for OpenBSD >= 3.4.
4336         * config/openbsd.h:  Fix C++ includes for native configurations.
4337         Add proper OS_CPP_BUILTINS.  Fix libspec for recent OpenBSD.
4338         Add trampoline support.
4339         * config/i386/openbsdelf.h: New.
4340
4341 2005-01-15  Marc Espie  <espie@openbsd.org>
4342
4343         * collect2.c (main): Explicitly parse -dynamic-linker option.
4344
4345 2005-01-15  Jakub Jelinek  <jakub@redhat.com>
4346
4347         PR tree-optimization/19060
4348         * tree-ssa-dom.c (extract_range_from_cond) <case LT_EXPR, GT_EXPR>:
4349         Return 0 if op1 <= TYPE_MIN_VALUE () resp. op1 >= TYPE_MAX_VALUE ().
4350         (simplify_cond_and_lookup_avail_expr): Add assert for dummy == 0
4351         and handle extract_range_from_cond returning false.
4352         * fold-const.c (fold): Optimize comparisons with min/max even for
4353         width > HOST_BITS_PER_WIDE_INT.
4354
4355 2005-01-15  Ralf Corsepius  <ralf.corsepius@rtems.org>
4356
4357         * config/mips/rtems.h (MIPS_DEFAULT_GVALUE): Set to 0.
4358         * config/mips/t-rtems (MULTILIBS_DIRNAMES,MULTILIB_OPTIONS):
4359         Remove little endian multilib variants.
4360         Add mips32 multilib variant.
4361
4362 2005-01-15  Kazu Hirata  <kazu@cs.umass.edu>
4363
4364         * explow.c (copy_all_reg, stabilize): Remove.
4365         * expr.h: Remove the corresponding prototypes.
4366
4367         * rtlanal.c (regs_set_between_p): Remove.
4368         * rtl.h: Remove the corresponding prototype.
4369
4370 2005-01-14  David Edelsohn  <edelsohn@gnu.org>
4371
4372         * config/rs6000/rs6000.c (rs6k_nonimmediate_operand): Rename
4373         to rs6000_nonimmediate_operand.
4374         * config/rs6000/rs6000.h (PREDICATE_CODES): Rename
4375         rs6k_nonimmediate_operand to rs6000_nonimmediate_operand.
4376         * config/rs6000/rs6000.md (movsi_internal1): Rename predicate to
4377         rs6000_nonimmediate_operand.
4378         * config/rs6000/spe.md (movdf_e500_double): Rename predicate to
4379         rs6000_nonimmediate_operand.
4380
4381 2005-01-14  Andrew Pinski  <pinskia@physics.uc.edu>
4382
4383         * tree-ssa-alias.c (pass_may_alias): Add TODO_verify_stmts.
4384
4385 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
4386
4387         * config/rs6000/rs6000.h (CLASS_MAX_NREGS): DF goes in 1 register
4388         on e500v2.
4389         (CANNOT_CHANGE_MODE_CLASS): Restrict DI mode changes on e500v2.
4390         (PREDICATE_CODES): Add rs6k_nonimmediate_operand.
4391
4392         * config/rs6000/rs6000.c (invalid_e500_subreg): New.
4393         (rs6k_nonimmediate_operand): New.
4394         (rs6000_legitimate_offset_address_p): Handle DI modes on e500v2
4395         correctly.
4396         (legitimate_lo_sum_address_p): Same.
4397         (rs6000_legitimize_address): Same.
4398         (rs6000_legitimize_reload_address): Same.
4399         (rs6000_legitimate_address): Same.
4400         (spe_build_register_parallel): Pass DF and DC modes in a DI
4401         register.
4402
4403         * config/rs6000/rs6000.md ("*movsi_internal1"): Change predicate
4404         to rs6k_nonimmediate_operand.
4405
4406         * config/rs6000/spe.md ("*frob_df_di"): New.
4407         ("*frob_di_df"): New.
4408         ("*frob_di_df_2"): New.
4409         ("*mov_sidf_e500_subreg0"): New.
4410         ("*mov_sidf_e500_subreg4"): New.
4411         ("*movdf_e500_double"): Change predicate to
4412         rs6k_nonimmediate_operand.
4413
4414 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
4415
4416         * postreload.c (move2add_note_store): Only call
4417         trunc_int_for_mode on scalar integers.
4418
4419 2005-01-14  Steven Bosscher  <stevenb@suse.de>
4420
4421         * tree-ssa-dce.c (visited_control_parents): New sbitmap to
4422         replace BB_VISITED uses.
4423         (find_obviously_necessary_stmts): Don't clear BB_VISITED.
4424         (propagate_necessity): Check the bitmap instead of BB_VISITED.
4425         (tree_dce_done): Free visited_control_parents.
4426         (perform_tree_ssa_dce): Allocate and clear it.
4427         * tree-ssa-pre.c (compute_antic_aux): Make non-recursive.
4428         (compute_antic): Iterate from here using a DFS.  Use an sbitmap
4429         instead of BB_VISITED.
4430
4431 2005-01-14  Kazu Hirata  <kazu@cs.umass.edu>
4432
4433         * c-tree.h, coverage.h, langhooks-def.h, optabs.h, output.h,
4434         rtl.h, targhooks.h, tree-flow.h, tree-mudflap.h, tree.h:
4435         Remove unused prototypes.
4436
4437 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
4438
4439         * config/rs6000/rs6000.c (rs6000_stack_info): Fix caching of SPE
4440         64-bit register usage.
4441         (spe_func_has_64bit_regs_p): Add FIXME note.
4442
4443 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
4444
4445         * config/rs6000/rs6000.c (rs6000_generate_compare): Replace
4446         flag_finite_math_only with flag_unsafe_math_optimizations.
4447
4448 2005-01-14  J. D. Johnston  <jjohnst@us.ibm.com>
4449
4450         * config/s390/tpf-unwind.h (s390_fallback_frame_state): Correct
4451         end-of-stack check.
4452         (__tpf_eh_return): Copy TPF private stack area from the module
4453         boundary stack frame.  Add check for when module addresses are
4454         equal, but no stub address is found.
4455
4456 2005-01-14  Richard Earnshaw  <rearnsha@arm.com>
4457
4458         PR target/7525
4459         * arm.h (struct machine_function): Add call_via field.
4460         (thumb_call_via_label): Declare.
4461         * arm.c (thumb_call_via_label): New variable.
4462         (thumb_call_reg_needed): New variable.
4463         (arm_output_function_epilogue): For Thumb code, output any per-function
4464         call-indirect trampolines.
4465         (thumb_call_via_reg): New function.
4466         (arm_file_end): New function.
4467         (TARGET_ASM_FILE_END): Call arm_file_end.
4468         (aof_file_end): Likewise.
4469         * arm-protos.h (thumb_call_via_reg): Declare.
4470         * arm.md (call_reg_thumb, call_value_reg_thumb): Call
4471         thumb_call_via_reg in normal case.
4472
4473 2005-01-14  Jakub Jelinek  <jakub@redhat.com>
4474
4475         PR middle-end/19084
4476         PR rtl-optimization/19348
4477         * recog.c (peephole2_optimize): Do global life update if some peephole
4478         decides it doesn't need at least one of its inputs and that change
4479         influences liveness at the start of the basic block.
4480
4481         * basic-block.h (EXECUTE_IF_AND_COMPL_IN_REG_SET): Needs 2 REGSET
4482         arguments instead of 1.
4483
4484 2005-01-14  Eric Botcazou  <ebotcazou@libertysurf.fr>
4485
4486         PR middle-end/18820
4487         * varasm.c (initializer_constant_valid_p) <ADDR_EXPR>: Return
4488         zero for nested functions needing a static chain or functions
4489         with a non-constant address.
4490
4491 2005-01-13  Roger Sayle  <roger@eyesopen.com>
4492
4493         * simplify-rtx.c (simplify_binary_operation) <AND>: Optimize
4494         (and (sign_extend X) C) into (zero_extend (and X C)).
4495
4496 2005-01-13  David O'Brien  <obrien@FreeBSD.org>
4497
4498         * config/freebsd-spec.h:  Make KSE pthread lib logic the default.
4499
4500 2005-01-13  Richard Henderson  <rth@redhat.com>
4501
4502         PR target/19009
4503         PR target/19250
4504         PR target/19252
4505         * config/i386/i386.md (cmpdf, cmpsf, bunordered, bordered, buneq,
4506         bunge, bungt, bunle, bunlt, bltgt): Enable for TARGET_SSE_MATH,
4507         not just TARGET_SSE.
4508         (cmpfp_i_387): Rename from cmpfp_i.  Move after sse patterns.
4509         (cmpfp_i_mixed): Rename from cmpfp_i_sse; use for TARGET_MIX_SSE_I387.
4510         (cmpfp_i_sse): Rename from cmpfp_i_sse_only; use for TARGET_SSE_MATH.
4511         (cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387): Similarly.
4512         (fp_jcc_1_mixed, fp_jcc_1_sse, fp_jcc_1_387): Similarly.
4513         (fp_jcc_2_mixed, fp_jcc_2_sse, fp_jcc_2_387): Similarly.
4514         (fp_jcc_3_387, fp_jcc_4_387, fp_jcc_5_387, fp_jcc_6_387,
4515         fp_jcc_7_387, fp_jcc_8_387): Rename from fp_jcc_N.
4516         (movdicc_c_rex64): Rename with '*'.
4517         (movsfcc, movdfcc): Add checks for 387 and sse math to condition.
4518         (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): New.
4519         (movsfcc_1_387): Rename from movsfcc_1.
4520         (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): New.
4521         (movdfcc_1, movdfcc_1_rex64): Add check for 387.
4522         (sminsf3, smaxsf3, smindf3, smaxdf3): New.
4523         (minsf3, minsf, minsf_nonieee, minsf_sse, mindf3, mindf,
4524         mindf_nonieee, mindf_sse, maxsf3, maxsf, maxsf_nonieee, maxsf_sse,
4525         maxdf3, maxdf, maxdf_nonieee, maxdf_sse, sse_movsfcc, sse_movsfcc_eq,
4526         sse_movdfcc, sse_movdfcc_eq, sse_movsfcc_const0_1,
4527         sse_movsfcc_const0_2, sse_movsfcc_const0_3, sse_movsfcc_const0_4,
4528         sse_movdfcc_const0_1, sse_movdfcc_const0_2, sse_movdfcc_const0_3,
4529         sse_movdfcc_const0_4): Remove.
4530         * config/i386/i386.c (ix86_expand_fp_movcc): For TARGET_SSE_MATH,
4531         recognize min/max early.  Update for changed sse cmove patterns.
4532         (ix86_split_sse_movcc): New.
4533         * config/i386/i386-protos.h: Update.
4534
4535 2005-01-13  Steven Bosscher  <stevenb@suse.de>
4536
4537         * tree-ssa-dse.c (fix_phi_uses): Use SSA operand iterators.
4538         (fix_stmt_v_may_defs): Likewise.
4539
4540 2005-01-13  Richard Henderson  <rth@redhat.com>
4541
4542         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use elt_mode
4543         for converting the mask.
4544
4545 2005-01-13  David Edelsohn  <edelsohn@gnu.org>
4546
4547         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Change _XOPEN_SOURCE
4548         definition to 600.
4549
4550 2005-01-13  Richard Henderson  <rth@redhat.com>
4551
4552         * config/i386/i386.c (IX86_BUILTIN_MOVQ, IX86_BUILTIN_LOADD,
4553         IX86_BUILTIN_STORED, IX86_BUILTIN_MOVQ2DQ,
4554         IX86_BUILTIN_MOVDQ2Q): Remove.
4555         (IX86_BUILTIN_VEC_EXT_V4SI): New.
4556         (ix86_init_mmx_sse_builtins, ix86_expand_builtin): Update to match.
4557         (ix86_expand_vector_extract): For V4S[FI], extract element 0 after
4558         shuffling.
4559         * config/i386/sse.md (sse_concatv2sf): Accept zero operand 2.
4560         (sse2_pextrw): Fix immediate constraint.
4561         (sse2_loadq, sse2_loadq_rex64): Remove.
4562         * config/i386/emmintrin.h (_mm_cvtsi128_si32, _mm_cvtsi128_si64x):
4563         Use __builtin_ia32_vec_ext_<size>.
4564         (_mm_cvtsi32_si128, _mm_cvtsi64x_si128): Use _mm_set_epi<size>.
4565
4566 2005-01-13  Aldy Hernandez  <aldyh@redhat.com>
4567
4568         * function.c (assign_parm_setup_block): Look inside original
4569         entry_parm when inspecting PARALLEL.
4570
4571 2005-01-13  Ralf Corsepius  <ralf.corsepius@rtems.org>
4572             Joel Sherrill  <joel@oarcorp.com>
4573
4574         PR target/19399
4575         * gthr-rtems.h (__gthread_recursive_mutex_t): New type.
4576         (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): Define to
4577         rtems_gxx_recursive_mutex_init.
4578         (__gthread_recursive_mutex_lock): New function.
4579         (__gthread_recursive_mutex_trylock): Likewise.
4580         (__gthread_recursive_mutex_unlock): Likewise.
4581
4582 2005-01-13  Ralf Corsepius <ralf.corsepius@rtems.org>
4583
4584         * config/i386/t-rtems-i386: Multilib on -mtune instead of -mcpu.
4585
4586 2005-01-13  Jan Beulich  <jbeulich@novell.com>
4587
4588         * config/ia64/ia64.md (ashlti3, ashlti3_internal): New.
4589         (ashrti3_internal): Indicate output is early clobber. Generate result
4590         into output rather than first input. Use move for low word of output
4591         if shift count is exactly 64.
4592         (lshrti3_internal): Likewise.
4593
4594 2005-01-13  Hans-Peter Nilsson  <hp@bitrange.com>
4595
4596         PR target/18329
4597         PR target/18330
4598         * reload1.c (delete_output_reload): Don't delete an output reload
4599         if the pseudo lives longer than a single basic block.  Adjust and
4600         improve wording of comment.
4601
4602 2005-01-12  Andrew Pinski  <pinskia@physics.uc.edu>
4603
4604         PR target/19334
4605         * config/darwin.c (machopic_select_section): Use TYPE_SIZE_UNIT instead
4606         of TYPE_SIZE where we mean the number of bytes.
4607
4608 2005-01-12  Aldy Hernandez  <aldyh@redhat.com>
4609
4610         * function.c (assign_parm_setup_block): Relax condition on
4611         multi-register optimization.
4612
4613 2005-01-12  Nick Clifton  <nickc@redhat.com>
4614
4615         * config/sh/sh.md (udivsi3_sh2a, divsi3_sh2a): Give these patterns
4616         an "in_delay_slot" attribute of "no" to prevent them being used in
4617         delay slots.  This is forbidden because they might generate
4618         exceptions.
4619
4620 2005-01-12  Alan Modra  <amodra@bigpond.net.au>
4621
4622         PR target/19389
4623         * config/rs6000/rs6000.md (movtf_internal): Replace r->o and m->r
4624         with r->Y and Y->r.
4625
4626 2005-01-12  Nick Clifton  <nickc@redhat.com>
4627
4628         * config/iq2000/iq2000.h (ASM_SPEC): Undefine (to stop -Qy being
4629         passed on to GAS) but do not define, as GAS no longer supports or
4630         needs the -m2000 option.
4631
4632 2005-01-11  Roger Sayle  <roger@eyesopen.com>
4633
4634         * builtins.c (fold_builtin_fabs): Convert argument to the appropriate
4635         type as args of unprototyped builtins aren't automatically promoted.
4636         (fold_builtin_abs): Likewise.
4637
4638 2005-01-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4639
4640         * Makefile.in: Set a `build-warn' variable.
4641
4642 2005-01-11  Zdenek Dvorak  <dvorakz@suse.cz>
4643
4644         PR tree-optimization/17949
4645         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): New function.
4646         (find_interesting_uses_address): Use it.
4647
4648 2005-01-11  Aldy Hernandez  <aldyh@redhat.com>
4649
4650         * regrename.c (kill_value): Handle subreg's that won't simplify.
4651
4652 2005-01-11  Richard Henderson  <rth@redhat.com>
4653
4654         PR target/13366
4655         * config/i386/i386.h (enum ix86_builtins): Move ...
4656         * config/i386/i386.c: ... here.
4657         (IX86_BUILTIN_MOVDDUP, IX86_BUILTIN_MMX_ZERO, IX86_BUILTIN_PEXTRW,
4658         IX86_BUILTIN_PINSRW, IX86_BUILTIN_LOADAPS, IX86_BUILTIN_LOADSS,
4659         IX86_BUILTIN_STORESS, IX86_BUILTIN_SSE_ZERO, IX86_BUILTIN_PEXTRW128,
4660         IX86_BUILTIN_PINSRW128, IX86_BUILTIN_LOADAPD, IX86_BUILTIN_LOADSD,
4661         IX86_BUILTIN_STOREAPD, IX86_BUILTIN_STORESD,  IX86_BUILTIN_STOREHPD,
4662         IX86_BUILTIN_STORELPD, IX86_BUILTIN_SETPD1, IX86_BUILTIN_SETPD,
4663         IX86_BUILTIN_CLRPD, IX86_BUILTIN_LOADPD1, IX86_BUILTIN_LOADRPD,
4664         IX86_BUILTIN_STOREPD1, IX86_BUILTIN_STORERPD, IX86_BUILTIN_LOADDQA,
4665         IX86_BUILTIN_STOREDQA, IX86_BUILTIN_CLRTI,
4666         IX86_BUILTIN_LOADDDUP): Remove.
4667         (IX86_BUILTIN_VEC_INIT_V2SI, IX86_BUILTIN_VEC_INIT_V4HI,
4668         IX86_BUILTIN_VEC_INIT_V8QI, IX86_BUILTIN_VEC_EXT_V2DF,
4669         IX86_BUILTIN_VEC_EXT_V2DI, IX86_BUILTIN_VEC_EXT_V4SF,
4670         IX86_BUILTIN_VEC_EXT_V8HI, IX86_BUILTIN_VEC_EXT_V4HI,
4671         IX86_BUILTIN_VEC_SET_V8HI, IX86_BUILTIN_VEC_SET_V4HI): New.
4672         (ix86_init_builtins): Make static.
4673         (ix86_init_mmx_sse_builtins): Update for changed builtins.
4674         (ix86_expand_binop_builtin): Only use ix86_fixup_binary_operands
4675         if all the modes match.  Otherwise, fake it.
4676         (get_element_number, ix86_expand_vec_init_builtin,
4677         ix86_expand_vec_ext_builtin, ix86_expand_vec_set_builtin): New.
4678         (ix86_expand_builtin): Make static.  Update for changed builtins.
4679         (ix86_expand_vector_move_misalign): Use sse2_loadlpd with zero
4680         operand instead of sse2_loadsd.  Cast sse1 fallback to V4SFmode.
4681         (ix86_expand_vector_init_duplicate): New.
4682         (ix86_expand_vector_init_low_nonzero): New.
4683         (ix86_expand_vector_init_one_var, ix86_expand_vector_init_general):
4684         Split out from ix86_expand_vector_init; handle integer modes.
4685         (ix86_expand_vector_init): Use them.
4686         (ix86_expand_vector_set, ix86_expand_vector_extract): New.
4687         * config/i386/i386-protos.h: Update.
4688         * config/i386/predicates.md (reg_or_0_operand): New.
4689         * config/i386/mmx.md (mov<MMXMODEI>_internal): Add 'r' variants.
4690         (movv2sf_internal): Likewise.  And a splitter to match them all.
4691         (vec_dupv2sf, mmx_concatv2sf, vec_setv2sf, vec_extractv2sf,
4692         vec_initv2sf, vec_dupv4hi, vec_dupv2si, mmx_concatv2si, vec_setv2si,
4693         vec_extractv2si, vec_initv2si, vec_setv4hi, vec_extractv4hi,
4694         vec_initv4hi, vec_setv8qi, vec_extractv8qi, vec_initv8qi): New.
4695         (mmx_pinsrw): Fix operand ordering.
4696         * config/i386/sse.md (movv4sf splitter): Use direct pattern,
4697         rather than sse_loadss expander.
4698         (movv2df splitter): Similarly.
4699         (sse_loadss, sse_loadlss): Remove.
4700         (vec_dupv4sf, sse_concatv2sf, sse_concatv4sf, vec_extractv4sf_0): New.
4701         (vec_setv4sf, vec_setv2df): Use ix86_expand_vector_set.
4702         (vec_extractv4sf, vec_extractv2df): Use ix86_expand_vector_extract.
4703         (sse3_movddup): Rename with '*'.
4704         (sse3_movddup splitter): Use gen_rtx_REG instead of gen_lowpart.
4705         (sse2_loadsd): Remove.
4706         (vec_dupv2df_sse3): Rename from sse3_loadddup.
4707         (vec_dupv2df, vec_concatv2df_sse3, vec_concatv2df): New.
4708         (sse2_pinsrw): Fix argument ordering.
4709         (sse2_loadld, sse2_loadq): Add sse1 alternatives.
4710         (sse2_stored): Remove 'r' destination.
4711         (vec_dupv4si, vec_dupv2di, sse2_concatv2si, sse1_concatv2si,
4712         vec_concatv4si_1, vec_concatv2di, vec_setv2di, vec_extractv2di,
4713         vec_initv2di, vec_setv4si, vec_extractv4si, vec_initv4si,
4714         vec_setv8hi, vec_extractv8hi, vec_initv8hi, vec_setv16qi,
4715         vec_extractv16qi, vec_initv16qi): New.
4716
4717         * config/i386/emmintrin.h (__m128i, __m128d): Use typedef, not define.
4718         (_mm_set_sd, _mm_set1_pd, _mm_setzero_pd, _mm_set_epi64x,
4719         _mm_set_epi32, _mm_set_epi16, _mm_set_epi8, _mm_setzero_si128): Use
4720         constructor form.
4721         (_mm_load_pd, _mm_store_pd): Use plain dereference.
4722         (_mm_load_si128, _mm_store_si128): Likewise.
4723         (_mm_load1_pd): Use _mm_set1_pd.
4724         (_mm_load_sd): Use _mm_set_sd.
4725         (_mm_store_sd, _mm_storeh_pd): Use __builtin_ia32_vec_ext_v2df.
4726         (_mm_store1_pd, _mm_storer_pd): Use _mm_store_pd.
4727         (_mm_set_epi64): Use _mm_set_epi64x.
4728         (_mm_set1_epi64x, _mm_set1_epi64, _mm_set1_epi32, _mm_set_epi16,
4729         _mm_set1_epi8, _mm_setr_epi64, _mm_setr_epi32, _mm_setr_epi16,
4730         _mm_setr_epi8): Use _mm_set_foo form.
4731         (_mm_loadl_epi64, _mm_movpi64_epi64, _mm_move_epi64): Use _mm_set_epi64.
4732         (_mm_storel_epi64, _mm_movepi64_pi64): Use __builtin_ia32_vec_ext_v2di.
4733         (_mm_extract_epi16): Use __builtin_ia32_vec_ext_v8hi.
4734         (_mm_insert_epi16): Use __builtin_ia32_vec_set_v8hi.
4735         * config/i386/mmintrin.h (_mm_setzero_si64): Use plain cast.
4736         (_mm_set_pi32): Use __builtin_ia32_vec_init_v2si.
4737         (_mm_set_pi16): Use __builtin_ia32_vec_init_v4hi.
4738         (_mm_set_pi8): Use __builtin_ia32_vec_init_v8qi.
4739         (_mm_set1_pi16, _mm_set1_pi8): Use _mm_set_piN variant.
4740         * config/i386/pmmintrin.h (_mm_loaddup_pd): Use _mm_load1_pd.
4741         (_mm_movedup_pd): Use _mm_shuffle_pd.
4742         * config/i386/xmmintrin.h (_mm_setzero_ps, _mm_set_ss,
4743         _mm_set1_ps, _mm_set_ps, _mm_setr_ps): Use constructor form.
4744         (_mm_cvtpi16_ps, _mm_cvtpu16_ps, _mm_cvtpi8_ps, _mm_cvtpu8_ps,
4745         _mm_cvtps_pi8, _mm_cvtpi32x2_ps): Avoid __builtin_ia32_mmx_zero;
4746         Use _mm_setzero_ps.
4747         (_mm_load_ss, _mm_load1_ps): Use _mm_set* form.
4748         (_mm_load_ps, _mm_loadr_ps): Use raw dereference.
4749         (_mm_store_ss): Use __builtin_ia32_vec_ext_v4sf.
4750         (_mm_store_ps): Use raw dereference.
4751         (_mm_store1_ps): Use _mm_storeu_ps.
4752         (_mm_storer_ps): Use _mm_store_ps.
4753         (_mm_extract_pi16): Use __builtin_ia32_vec_ext_v4hi.
4754         (_mm_insert_pi16): Use __builtin_ia32_vec_set_v4hi.
4755
4756 2005-01-11  Stan Shebs  <shebs@apple.com>
4757
4758         * config/rs6000/rs6000.c (machopic_output_stub): Issue
4759         ldu instead of lwzu if 64-bit -mdynamic-no-pic.
4760
4761 2005-01-11  Andrew Pinski  <pinskia@physics.uc.edu>
4762
4763         PR target/18761
4764         * config/rs6000/rs6000.c (rs6000_special_round_type_align):
4765         Skip all DECLs except for FIELD_DECLs.
4766
4767 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
4768
4769         * config/s390/s390.c (override_options): Return error if
4770         -mbackchain, -mpacked-stack and -mhard-float are used together.
4771         (s390_va_start): Remove the backchain && packed-stack special case.
4772         (s390_gimplify_va_arg): Likewise.
4773         * doc/invoke.texi: Remove the ABI incompatibility note.
4774
4775 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
4776
4777         * config/s390/s390.c (struct s390_frame_layout): Remove
4778         save_backchain_p.
4779         (s390_frame_info, s390_emit_prologue): Replace occurrences of
4780         save_backchain_p with TARGET_BACKCHAIN.
4781
4782 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
4783
4784         PR target/18916
4785         * builtins.c (std_gimplify_va_arg_expr): Adjust alignment of *ap.
4786         * expr.h (struct locate_and_pad_arg_data): Add "boundary".
4787         * function.c (locate_and_pad_parm): Set new field.
4788         (assign_parm_find_stack_rtl): Use it instead of FUNCTION_ARG_BOUNDARY.
4789         Tweak where_pad test to include "none".  Always set mem align for
4790         stack_parm.
4791         (assign_parm_adjust_stack_rtl): Discard stack_parm if alignment
4792         not sufficient for type.
4793         (assign_parm_setup_block): If stack_parm is zero on entry, always
4794         make a new stack local.  Block move old stack parm if necessary
4795         to new aligned stack local.
4796         (assign_parm_setup_stack): Use a block move to handle
4797         potentially misaligned entry_parm.
4798         (assign_parms_unsplit_complex): Specify required alignment when
4799         creating stack local.
4800         * calls.c (compute_argument_addresses): Override alignment of stack
4801         arg calculated from its type with the alignment given by
4802         FUNCTION_ARG_BOUNDARY.
4803         (store_one_arg): Likewise.
4804
4805 2005-01-11  Jan Beulich  <jbeulich@novell.com>
4806
4807         * config/ia64/ia64.md (zero_extendsidi2): Replace zxt4 by addp4.
4808         Change respective itanium_class attribute to ialu.
4809         (shladdp4_internal): New.
4810         * config/ia64/predicates.md (shladd_log2_operand): New.
4811
4812 2005-01-11  Richard Henderson  <rth@redhat.com>
4813
4814         * expr.c (store_constructor): Use rtvec_alloc instead of
4815         alloca+gen_rtvec_v, and an incorrect number passed to alloca.
4816
4817 2005-01-11  Kazu Hirata  <kazu@cs.umass.edu>
4818
4819         * config/alpha/alpha.c, config/i386/mmx.md: Fix comment typos.
4820
4821 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
4822
4823         * varasm.c (default_section_type_flags_1): Don't set SECTION_SMALL.
4824         * config/ia64/ia64.c (TARGET_SECTION_TYPE_FLAGS): Define.
4825         (TARGET_RWRELOC): Define.
4826         (ia64_rwreloc_section_type_flags): Delete.
4827         (ia64_section_type_flags): New function.
4828         * config/ia64/hpux.h (TARGET_SECTION_TYPE_FLAGS): Don't define.
4829         (TARGET_RWRELOC): Define.
4830
4831 2005-01-10  David Mosberger  <davidm@hpl.hp.com>
4832
4833         PR target/18987
4834         * config/ia64/ia64.c (process_set): For alloc insn, only call
4835         process_epilogue is !frame_pointer_needed.
4836
4837 2005-01-10  Roger Sayle  <roger@eyesopen.com>
4838
4839         PR c++/19355
4840         * c-common.c (c_common_truthvalue_conversion): TRUTH_NOT_EXPR is a
4841         unary operator and can't be treated as a binary/comparison operator.
4842
4843 2005-01-10  Richard Henderson  <rth@redhat.com>
4844
4845         * config/i386/i386.c (ix86_function_value): Use type_natural_mode.
4846         (ix86_return_in_memory): Likewise.
4847         (function_arg_advance):  Likewise.  Mirror structure in function_arg
4848         for choosing register to advance.
4849
4850 2005-01-10  Kazu Hirata  <kazu@cs.umass.edu>
4851
4852         * tree-vectorizer.c, tree.def: Fix comment typos.
4853
4854 2005-01-10  Mark Dettinger  <dettinge@de.ibm.com>
4855
4856         * config/s390/s390.c (struct processor_costs): 4 new fields:
4857         ddbr, ddr, debr, der.
4858         (s390_rtx_costs): More precise handling of divide instructions.
4859
4860 2005-01-10  David Edelsohn  <edelsohn@gnu.org>
4861
4862         * config/rs6000/t-aix43 (BOOT_LDFLAGS): Define.
4863
4864 2005-01-10  Jan Beulich  <jbeulich@novell.com>
4865
4866         * config/ia64/ia64.c (ia64_in_small_data_p): Also handle the section
4867         names resulting from -ffunction-sections/-fdata-sections and linkonce
4868         ones.
4869         * varasm.c (default_section_type_flags_1): Also set SECTION_SMALL
4870         based on the section name. Rearrange the section name comparison logic
4871         slightly so that each section name is compared against at most once.
4872
4873 2005-01-10  Ben Elliston  <bje@au.ibm.com>
4874
4875         * doc/invoke.texi (Code Gen Options): Add PowerPC to the list of
4876         targets for which -fPIC reduces limitations on the GOT size.
4877
4878 2005-01-09  Falk Hueffner  <falk@debian.org>
4879
4880         * fold-const.c (fold): Also handle EXACT_DIV_EXPR when folding
4881         X/C1 cmpop C2.
4882
4883 2005-01-09  David Edelsohn  <edelsohn@gnu.org>
4884
4885         PR target/18720
4886         * collect2.c (main): Set aixrtl_flag for -brtl option.
4887         (resolve_lib_name): Search for .so file extension before .a
4888         if aixrtl_flag set.
4889
4890 2005-01-09  Dorit Naishlos  <dorit@il.ibm.com>
4891
4892         * tree-vectorizer.c (vect_enhance_data_refs_alignment): Add dump prints.
4893         (vect_analyze_data_refs_alignment): Add dump prints.
4894
4895 2005-01-09  Ira Rosen  <irar@il.ibm.com>
4896
4897         * tree-vectorizer.c (vect_analyze_offset_expr): Use
4898         expr_invariant_in_loop_p.
4899         Initialize outputs first thing in the function.
4900         (vect_update_ivs_after_vectorizer): Call initial_condition_in_loop_num.
4901         (vect_is_simple_iv_evolution): Call initial_condition_in_loop_num.
4902         (vect_analyze_pointer_ref_access): Check that the initial condition of
4903         the access function is loop invariant.
4904
4905 2005-01-09  Richard Henderson  <rth@redhat.com>
4906
4907         * config/i386/i386.c (bdesc_2arg): Update names for mmx_ prefixes.
4908         (ix86_expand_builtin): Likewise.  Frob MASKMOVQ wrt the input mem
4909         just like MASKMOVDQU.  Return plain zero for MMX_ZERO.
4910         * config/i386/i386.md (MMXMODEI, mov<MMXMODEI>,
4911         mov<MMXMODEI>_internal_rex64, mov<MMXMODEI>_internal, movv2sf,
4912         movv2sf_internal_rex64, movv2sf_internal, MMXMODE,
4913         movmisalign<MMXMODE>, mmx_pmovmskb, mmx_maskmovq, mmx_maskmovq_rex,
4914         sse_movntdi, addv8qi3, addv4hi3, addv2si3, mmx_adddi3, ssaddv8qi3,
4915         ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3, subv4hi3, subv2si3,
4916         mmx_subdi3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
4917         mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
4918         sse2_umulsidi3, mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3,
4919         mmx_uavgv8qi3, mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pinsrw,
4920         mmx_pextrw, mmx_pshufw, eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3,
4921         gtv2si3, umaxv8qi3, smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3,
4922         ashrv2si3, lshrv4hi3, lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3,
4923         mmx_ashldi3, mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
4924         mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
4925         mmx_punpckldq, emms, addv2sf3, subv2sf3, subrv2sf3, gtv2sf3, gev2sf3,
4926         eqv2sf3, pfmaxv2sf3, pfminv2sf3, mulv2sf3, femms, pf2id, pf2iw,
4927         pfacc, pfnacc, pfpnacc, pi2fw, floatv2si2, pfrcpv2sf2, pfrcpit1v2sf3,
4928         pfrcpit2v2sf3, pfrsqrtv2sf2, pfrsqit1v2sf3, pmulhrwv4hi3, pswapdv2si2,
4929         pswapdv2sf2): Move to mmx.md; rename as necessary with leading
4930         mmx_ prefix.
4931         (mmx_clrdi, pavgusb): Remove.
4932         (ldmxcsr, stmxcsr, sfence, sfence_insn): Move to sse.md; rename
4933         with leading sse_ prefix.
4934         * config/i386/sse.md: Receive them.
4935         * config/i386/mmx.md: New file.
4936         (MMXMODE12, MMXMODE24, mmxvecsize): New.
4937         (subrv2sf3): Turn into expander for normal subtraction.
4938         (mmx_addv2sf3, mmx_mulv2sf3, mmx_smaxv2sf3, mmx_sminv2sf3,
4939         mmx_eqv2sf3, mmx_mulv4hi3, mmx_smulv4hi3_highpart,
4940         mmx_umulv4hi3_highpart, mmx_pmaddwd, mmx_pmulhrwv4hi3, sse2_umulsidi3,
4941         mmx_umaxv8qi3, mmx_smaxv4hi3, mmx_uminv8qi3, mmx_sminv4hi3): Mark
4942         commutative; use ix86_binary_operator_ok.
4943         (mmx_add<MMXMODEI>3, mmx_ssadd<MMXMODE12>3, mmx_usadd<MMXMODE12>3,
4944         mmx_sub<MMXMODEI>3, mmx_sssub<MMXMODE12>3, mmx_ussub<MMXMODE12>3
4945         mmx_ashr<MMXMODE24>3, mmx_lshr<MMXMODE23>3, mmx_ashl<MMXMODE24>3
4946         mmx_eq<MMXMODEI>3, mmx_gt<MMXMODEI>3, mmx_and<MMXMODEI>3,
4947         mmx_nand<MMXMODEI>3, mmx_ior<MMXMODEI>3, mmx_xor<MMXMODEI>3):
4948         Macroize from existing patterns; use ix86_binary_operator_ok.
4949         (mmx_packsswb, mmx_packssdw, mmx_packuswb): Add memory alternative.
4950         (mmx_punpckhbw, mmx_punpcklbw, mmx_punpckhwd, mmx_punpcklwd,
4951         mmx_punpckhdq, mmx_punpckhdq, mmx_punpckldq): Likewise.  Model
4952         with vec_select+vec_concat.
4953         (mmx_pshufw, mmx_pshufw_1): Likewise.
4954         (mmx_uavgv8qi3): Merge pavgusb.  Model correcty.
4955         (mmx_uavgv4hi3): Model correctly.
4956         * config/i386/mmintrin.h (_mm_and_si64, _mm_andnot_si64, _mm_or_si64,
4957         _mm_xor_si64): Remove casts.
4958
4959 2005-01-09  Zdenek Dvorak  <dvorakz@suse.cz>
4960
4961         PR tree-optimization/19224
4962         * tree-scalar-evolution.c (get_instantiated_value,
4963         set_instantiated_value): New functions.
4964         (instantiate_parameters_1): Cache the results.
4965         (instantiate_parameters, resolve_mixers): Initialize and free
4966         the cache.
4967
4968 2005-01-08  David Edelsohn  <edelsohn@gnu.org>
4969
4970         * config/i386/i386.md (addhi_4): Correct reference in comment.
4971         (addqi_4): Same.
4972
4973 2005-01-08  Richard Henderson  <rth@redhat.com>
4974
4975         * config/i386/emmintrin.h (_mm_cvtsi128_si32): Move earlier.
4976         (_mm_cvtsi128_si64x): Likewise.
4977         (_mm_srl_epi64, _mm_srl_epi32, _mm_srl_epi16, _mm_sra_epi32,
4978         _mm_sra_epi16, _mm_sll_epi64, _mm_sll_epi32, _mm_sll_epi16): Use
4979         the _mm_{srl,sll}i_foo counterpart, and _mm_cvtsi128_si32.
4980         * config/i386/i386-modes.def: Add V16HI, V32QI, V4DF, V8SF.
4981         * config/i386/i386-protos.h: Update.
4982         * config/i386/i386.c (print_operand): Add 'H'.
4983         (ix86_fixup_binary_operands): Split out from ...
4984         (ix86_expand_binary_operator): ... here.
4985         (ix86_fixup_binary_operands_no_copy): New.
4986         (ix86_expand_fp_absneg_operator): Handle vector mode results.
4987         (bdesc_2arg): Update names for sse{,2,3}_ prefixes.
4988         (ix86_init_mmx_sse_builtins): Remove *maskncmp* special cases.
4989         (safe_vector_operand): Use CONST0_RTX.
4990         (ix86_expand_binop_builtin): Use ix86_fixup_binary_operands.
4991         (ix86_expand_builtin): Merge CODE_FOR_sse2_maskmovdqu_rex64 and
4992         CODE_FOR_sse2_maskmovdqu.  Special case SSE version of MASKMOVDQU
4993         expansion.  Update names for sse{,2,3}_ prefixes.  Remove *maskncmp*
4994         special cases.
4995         * config/i386/i386.h (IX86_BUILTIN_CMPNGTSS): New.
4996         (IX86_BUILTIN_CMPNGESS): New.
4997         * config/i386/i386.md (UNSPEC_FIX_NOTRUNC): New.
4998         (attr type): Add sselog1.
4999         (attr unit, attr memory): Handle it.
5000         (movti, movti_internal, movti_rex64): Move near other integer moves.
5001         (movtf, movtf_internal): Move near other fp moves.
5002         (SSEMODE, SSEMODEI, vec_setv2df, vec_extractv2df, vec_initv2df,
5003         vec_setv4sf, vec_extractv4sf, vec_initv4sf, movv4sf, movv4sf_internal,
5004         movv2df, movv2df_internal, mov<SSEMODEI>, mov<SSEMODEI>_internal,
5005         movmisalign<SSEMODE>, sse_movups_1, sse_movmskps, sse_movntv4sf,
5006         sse_movhlps, sse_movlhps, sse_storehps, sse_loadhps, sse_storelps,
5007         sse_loadlps, sse_loadss, sse_loadss_1, sse_movss, sse_storess,
5008         sse_shufps, addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, negv4sf2,
5009         mulv4sf3, vmmulv4sf3, divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2,
5010         rsqrtv4sf2, vmrsqrtv4sf2, sqrtv4sf2, vmsqrtv4sf2, sse_andv4sf3,
5011         sse_nandv4sf3, sse_iorv4sf3, sse_xorv4sf3, sse2_andv2df3,
5012         sse2_nandv2df3, sse2_iorv2df3, sse2_xorv2df3, sse2_andv2di3,
5013         sse2_nandv2di3, sse2_iorv2di3, sse2_xorv2di3, maskcmpv4sf3,
5014         vmmaskcmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
5015         smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
5016         cvttps2pi, cvtsi2ss, cvtsi2ssq, cvtss2si, cvtss2siq, cvttss2si,
5017         cvttss2siq, addv2df3, vmaddv2df3, subv2df3, vmsubv2df3, mulv2df3,
5018         vmmulv2df3, divv2df3, vmdivv2df3, smaxv2df3, vmsmaxv2df3, sminv2df3,
5019         vmsminv2df3, sqrtv2df2, vmsqrtv2df2, maskcmpv2df3, vmmaskcmpv2df3,
5020         sse2_comi, sse2_ucomi, sse2_movmskpd, sse2_pmovmskb, sse2_maskmovdqu,
5021         sse2_maskmovdqu_rex64, sse2_movntv2df, sse2_movntv2di, sse2_movntsi,
5022         cvtdq2ps, cvtps2dq, cvttps2dq, cvtdq2pd, cvtpd2dq, cvttpd2dq,
5023         cvtpd2pi, cvttpd2pi, cvtpi2pd, cvtsd2si, cvtsd2siq, cvttsd2si,
5024         cvttsd2siq, cvtsi2sd, cvtsi2sdq, cvtsd2ss, cvtss2sd, cvtpd2ps,
5025         cvtps2pd, addv16qi3, addv8hi3, addv4si3, addv2di3, ssaddv16qi3,
5026         ssaddv8hi3, usaddv16qi3, usaddv8hi3, subv16qi3, subv8hi3, subv4si3,
5027         subv2di3, sssubv16qi3, sssubv8hi3, ussubv16qi3, ussubv8hi3, mulv8hi3,
5028         smulv8hi3_highpart, umulv8hi3_highpart, sse2_umulsidi3,
5029         sse2_umulv2siv2di3, sse2_pmaddwd, sse2_uavgv16qi3, sse2_uavgv8hi3,
5030         sse2_psadbw, sse2_pinsrw, sse2_pextrw, sse2_pshufd, sse2_pshuflw,
5031         sse2_pshufhw, eqv16qi3, eqv8hi3, eqv4si3, gtv16qi3, gtv8hi3,
5032         gtv4si3, umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3, ashrv8hi3,
5033         ashrv4si3, lshrv8hi3, lshrv4si3, lshrv2di3, ashlv8hi3, ashlv4si3,
5034         ashlv2di3, sse2_ashlti3, sse2_lshrti3, sse2_unpckhpd, sse2_unpcklpd,
5035         sse2_packsswb, sse2_packssdw, sse2_packuswb, sse2_punpckhbw,
5036         sse2_punpckhwd, sse2_punpckhdq, sse2_punpcklbw, sse2_punpcklwd,
5037         sse2_punpckldq, sse2_punpcklqdq, sse2_punpckhqdq, sse2_movupd,
5038         sse2_movdqu, sse2_movdq2q, sse2_movdq2q_rex64, sse2_movq2dq,
5039         sse2_movq2dq_rex64, sse2_loadd, sse2_stored, sse2_storehpd,
5040         sse2_loadhpd, sse2_storelpd, sse2_loadlpd, sse2_movsd, sse2_loadsd,
5041         sse2_loadsd_1, sse2_storesd, sse2_shufpd, sse2_clflush, sse2_mfence,
5042         mfence_insn, sse2_lfence, lfence_insn, mwait, monitor, addsubv4sf3,
5043         addsubv2df3, haddv4sf3, haddv2df3, hsubv4sf3, hsubv2df3, movshdup,
5044         movsldup, lddqu, loadddup, movddup): Move to sse.md.  Any with
5045         non-optabs meanings renamed with an "sse{,2,3}_" prefix at the
5046         same time.
5047         (SSEPUSH, push<SSEPUSH>): Remove.
5048         (MMXPUSH, push<MMXPUSH>): Remove.
5049         (sse_movaps, sse_movaps_1, sse_movups): Remove.
5050         (sse2_movapd, sse2_movdqa, sse2_movq): Remove.
5051         (sse2_andti3, sse2_nandti3, sse2_iorti3, sse2_xorti3): Remove.
5052         (sse_clrv4sf, sse_clrv2df, sse2_clrti): Remove.
5053         (maskncmpv4sf3, vmmaskncmpv4sf3): Remove.
5054         (maskncmpv2df3, vmmaskncmpv2df3): Remove.
5055         (ashrv8hi3_ti, ashrv4si3_ti, lshrv8hi3_ti, lshrv4si3_ti): Remove.
5056         (lshrv2di3_ti, ashlv8hi3_ti, ashlv4si3_ti, ashlv2di3_ti): Remove.
5057         * config/i386/athlon.md (athlon_sselog_load): Handle sselog1.
5058         (athlon_sselog_load_k8, athlon_sselog, athlon_sselog_k8): Likewise.
5059         * config/i386/ppro.md (ppro_sse_div_V4SF_load): Fix memory attr.
5060         (ppro_sse_log_V4SF_load): Similarly.  Handle sselog1.
5061         (ppro_sse_log_V4SF): Handle sselog1.
5062         * config/i386/predicates.md (const_0_to_1_operand): New.
5063         (const_0_to_255_mul_8_operand): New.
5064         (const_1_to_31_operand): Rename from const_int_1_31_operand.
5065         (const_2_to_3_operand, const_4_to_7_operand): New.
5066         * config/i386/sse.md: New file.
5067         (SSEMODE12, SSEMODE24, SSEMODE124, SSEMODE248, ssevecsize): New.
5068         (sse_movups): Rename from sse_movups_1.
5069         (sse_loadlss): Rename from sse_loadss_1.
5070         (andv4sf3, iorv4sf3, xorv4sf3, andv2df3): Remove the sse prefix
5071         from the name.
5072         (negv4sf2): Use ix86_expand_fp_absneg_operator.
5073         (absv4sf2, negv2df, absv2df): New.
5074         (addv4sf3): Add expander to call ix86_fixup_binary_operands_no_copy.
5075         (subv4sf3, mulv4sf3, divv4sf3, smaxv4sf3, sminv4sf3, andv4sf3,
5076         iorv4sf3, xorv4sf3, addv2df3, subv2df3, mulv2df3, divv2df3,
5077         smaxv2df3, sminv2df3, andv2df3, iorv2df3, xorv2df3, mulv8hi3,
5078         umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3): Likewise.
5079         (sse3_addsubv4sf3): Model correctly.
5080         sse3_haddv4sf3, sse3_hsubv4sf3, sse3_addsubv2df3, sse3_haddv2df3,
5081         sse3_hsubv2df3, sse2_ashlti3, sse2_lshrti3): Likewise.
5082         (sse_movhlps): Model with vec_select+vec_concat.
5083         (sse_movlhps, sse_unpckhps, sse_unpcklps, sse3_movshdup,
5084         sse3_movsldup, sse_shufps, sse_shufps_1, sse2_unpckhpd, sse3_movddup,
5085         sse2_unpcklpd, sse2_shufpd, sse2_shufpd_1, sse2_punpckhbw,
5086         sse2_punpcklbw, sse2_punpckhwd, sse2_punpcklwd, sse2_punpckhdq,
5087         sse2_punpckldq, sse2_punpckhqdq, sse2_punpcklqdq, sse2_pshufd,
5088         sse2_pshufd_1, sse2_pshuflw, sse2_pshuflw_1, sse2_pshufhw,
5089         sse2_pshufhw_1): Likewise.
5090         (neg<SSEMODEI>2, one_cmpl<SSEMODEI>2): New.
5091         (add<SSEMODEI>3, sse2_ssadd<SSEMODE12>3, sse2_usadd<SSEMODE12>3,
5092         sub<SSEMODEI>3, sse2_sssub<SSEMODE12>3, sse2_ussub<SSEMODE12>3,
5093         ashr<SSEMODE24>3, lshr<SSEMODE248>3, sse2_eq<SSEMODE124>3,
5094         sse2_gt<SSEMODDE124>3, and<SSEMODEI>3, sse_nand<SSEMODEI>3,
5095         ior<SSEMODEI>3, xor<SSEMODEI>3): Macroize from existing patterns.
5096         (addv4sf3, sse_vmaddv4sf3, mulv4sf3, sse_vmmulv4sf3, smaxv4sf3,
5097         sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, addv2df3, sse2_vmaddv2df3,
5098         mulv2df3, sse2_vmmulv2df3, smaxv2df3, sse2_vmsmaxv2df3, sminv2df3,
5099         sse2_vmsminv2df3, umaxv16qi3, smaxv8hi3, uminv16qi3
5100         sminv8hi3): Mark commutative
5101         operands.  Use ix86_binary_operator_ok.
5102         (sse_unpckhps, sse_unpcklps, sse2_packsswb, sse2_packssdw,
5103         sse2_packuswb, sse2_punpckhbw, sse2_punpcklbw, sse2_punpckhwd,
5104         sse2_punpcklwd, sse2_punpckhdq, sse2_punpckldq, sse2_punpckhqdq,
5105         sse2_punpcklqdq): Allow operand2 in memory.
5106         (sse_movhlps, sse_movlhps, sse2_unpckhpd, sse2_unpcklpd
5107         sse2_movsd): Add memory alternatives.
5108         (sse_storelps): Turn expander into an insn; split after reload.
5109         (sse_storess, sse2_loadhpd, sse2_loadlpd): Add non-xmm inputs.
5110         (sse2_storehpd, sse2_storelpd): Add non-xmm outputs.
5111
5112 2005-01-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
5113
5114         * configure.ac (DWARF-2 debug_line): Use objdump.
5115         * configure: Regenerate.
5116
5117 2005-01-08  Jeff Law  <law@redhat.com>
5118             Diego Novillo  <dnovillo@redhat.com>
5119
5120         PR tree-optimization/18241
5121         * tree-nrv.c (tree_nrv): Ignore volatile return values.
5122         * tree-ssa-dse.c (dse_optimize_stmt): Do not optimize
5123         statements with volatile operands.
5124         * tree-ssa-operands.c (add_stmt_operand): Do add volatile
5125         operands after marking a statement with has_volatile_ops.
5126
5127 2005-01-08  Roger Sayle  <roger@eyesopen.com>
5128
5129         * tree.c (int_fits_type_p): Always honor integer constant
5130         TYPE_MIN_VALUE and TYPE_MAX_VALUE if they exist.
5131
5132 2005-01-08  Roger Sayle  <roger@eyesopen.com>
5133
5134         * ifcvt.c (find_if_case_1): Reinstate 2005-01-04 change, now that
5135         the latent bug in rtl_delete_block has been resolved.
5136
5137 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
5138
5139         * config/mips/t-iris6 (MULTILIB_DIRNAMES): Use -mabi argument values.
5140         (MULTILIB_OSDIRNAMES): Use the standard lib, lib32 and lib64.
5141
5142 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
5143
5144         * config/mips/t-slibgcc-irix (SHLIB_LINK): Install a copy of the
5145         library as @multilib_dir@/$(SHLIB_SONAME).
5146
5147 2005-01-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
5148
5149         * configure.ac (HAVE_AS_OFFSETABLE_LO10): Fix typo.
5150         * configure: Regenerate.
5151
5152 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
5153
5154         * c-common.c (handle_mode_attribute): For ENUMERAL_TYPE, also copy
5155         TYPE_MODE.
5156
5157 2005-01-07  David Edelsohn  <edelsohn@gnu.org>
5158
5159         PR target/13674
5160         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
5161         Convert non-word aligned offset address using ld/std into
5162         indirect address.
5163
5164 2005-01-07  Richard Henderson  <rth@redhat.com>
5165
5166         * config/i386/i386.md (sse_loadhps splitter): Fix operand number typo.
5167
5168 2005-01-07  Richard SAndiford  <rsandifo@redhat.com>
5169
5170         * tree.h (IS_EXPR_CODE_CLASS): Use a straight-forward range check.
5171
5172 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
5173
5174         PR tree-optimization/19283
5175         * fold-const.c (fold_widened_comparison): Return NULL if shorter_type
5176         is not shorter than the original type.
5177
5178         PR rtl-optimization/19012
5179         * config/i386/i386.md (addqi_1_slp): Set memory attribute.
5180
5181         PR rtl-optimization/18861
5182         * cfgbuild.c (BLOCK_USED_BY_TABLEJUMP): Define.
5183         (FULL_STATE): Define.
5184         (mark_tablejump_edge): New function.
5185         (purge_dead_tablejump_edges): New function.
5186         (find_bb_boundaries): Use it.
5187
5188         PR tree-optimization/18828
5189         * builtins.c (expand_builtin_next_arg): Remove argument and all
5190         the argument checking.
5191         (expand_builtin): Adjust caller.
5192         (expand_builtin_va_start): Likewise.  Remove error for too many
5193         arguments.
5194         (fold_builtin_next_arg): Issue error for too many arguments.
5195         After checking arguments, replace them with magic arguments that
5196         prevent further checking of the args.
5197
5198 2005-01-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5199
5200         * pa64-hpux.h (STARTFILE_SPEC): Fix typo in spec.
5201
5202 2005-01-06  Roger Sayle  <roger@eyesopen.com>
5203
5204         PR target/6077
5205         * gcc.c (input_suffix_matches): Tweak the semantics of %{.s:...}
5206         and %{.S:...} (and their negative variants) to test whether the
5207         input file is assembler or pre-processed-assembler independent of
5208         the actual filename extension.
5209
5210 2005-01-06  Roger Sayle  <roger@eyesopen.com>
5211
5212         * simplify-rtx.c (simplify_subreg): Simplify truncations of shifts
5213         of sign or zero extended values.
5214
5215 2005-01-06  Geoffrey Keating  <geoffk@apple.com>
5216
5217         * c-cppbuiltin.c (builtin_define_float_constants): Set __*_EPSILON__
5218         for IBM long double format correctly.
5219
5220 2005-01-06  Daniel Berlin <dberlin@dberlin.org>
5221
5222         Fix PR tree-optimization/18792
5223
5224         * tree-data-ref.c (build_classic_dist_vector): Change first_loop
5225         to first_loop_depth, and use loop depth instead of loop number.
5226         (build_classic_dir_vector): Ditto.
5227         (compute_data_dependences_for_loop): Use depth, not loop number.
5228         * tree-loop-linear.c (try_interchange_loops): Use loop depth, not loop
5229         number. Pass in loops, instead of loop numbers.
5230         (gather_interchange_stats): Ditto.
5231         (linear_transform_loops): Ditto.
5232
5233 2005-01-06  Richard Sandiford  <rsandifo@redhat.com>
5234
5235         PR rtl-opt/13299
5236         * loop.c (get_monotonic_increment, biased_biv_fits_mode_p,
5237         biv_fits_mode_p, extension_within_bounds_p): New functions.
5238         (check_ext_dependent_givs): Use them.
5239
5240 2005-01-06  Roger Sayle  <roger@eyesopen.com>
5241
5242         * cfgrtl.c (rtl_delete_block): A basic block may be followed by
5243         more than one barrier, in which case we should delete them all.
5244
5245 2005-01-06  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>
5246
5247         * gcc.c (process_command): Change year in 'gcc --version' to 2005.
5248
5249 2005-01-05  Daniel Berlin  <dberlin@dberlin.org>
5250
5251         Fix PR middle-end/19286
5252         Fix PR debug/19267
5253         * dwarf2out.c (gen_subprogram_die): If we've already tried to
5254         output this subprogram, simply ignore this attempt to do it again.
5255         (add_abstract_origin_attribute): Don't abort trying to add the abstract
5256         origin attribute if it's not possible.
5257         (gen_block_die): Don't ignore subblocks of "unused" blocks.
5258         (decls_for_scope): Ditto.
5259         * gimple-low.c (mark_blocks_with_used_subblocks): Remove.
5260         (mark_used_blocks): Don't call mark_blocks_with_used_subblocks.
5261
5262 2005-01-05  Richard Henderson  <rth@redhat.com>
5263
5264         PR target/11327
5265         * config/i386/i386.c (BUILTIN_DESC_SWAP_OPERANDS): New.
5266         (bdesc_2arg): Use it.
5267         (ix86_expand_binop_builtin): Force operands into registers
5268         when optimizing.
5269         (ix86_expand_unop_builtin, ix86_expand_unop1_builtin,
5270         ix86_expand_sse_compare, ix86_expand_sse_comi,
5271         ix86_expand_builtin): Likewise.
5272
5273 2005-01-05  Richard Henderson  <rth@redhat.com>
5274
5275         * config/ia64/ia64.c (rtx_needs_barrier): Handle CONST_VECTOR
5276         and VEC_SELECT.
5277         * config/ia64/vect.md (mulv8qi3): Re-implement with mix_[rl].
5278         (mulv4hi3): Set itanium_class mmmul.
5279         (fpack_sfxf, fpack_xfsf, fpack_xfxf): Remove.
5280         (fpack): Rename from fpack_sfsf.
5281
5282 2005-01-05  Richard Henderson  <rth@redhat.com>
5283
5284         PR rtl-opt/10692
5285         * reload1.c (do_input_reload): Restrict the optimization deleteing
5286         a previous output reload to RELOAD_FOR_INPUT.
5287
5288 2005-01-05  Steven Bosscher  <stevenb@suse.de>
5289
5290         * combine.c (expand_compound_operation)  <ZERO_EXTRACT>: Add
5291         comment that we fall through after case.
5292         (mark_used_regs_combine): Don't expect a SIGN_EXTRACT in a SET_DEST.
5293         (distribute_links): Likewise.
5294         * cse.c (cse_insn): Likewise.
5295         * cselib.c (cselib_invalidate_mem): Likewise.
5296         * df.c: Update comments at the top of the file.
5297         (read_modify_subreg_p): Update comments here too.
5298         (df_def_record_1): Don't expect a SIGN_EXTRACT in a SET_DEST.
5299         * flow.c (mark_set_1): Likewise.
5300         (mark_used_regs): Likewise.
5301         * gcse.c (mems_conflict_for_gcse_p): Likewise.
5302         (canon_list_insert): Likewise.
5303         (mark_set): Likewise.
5304         (try_replace_reg): Likewise.
5305         (store_killed_in_insn): Likewise.
5306         * loop.c (count_one_set): Likewise.
5307         (basic_induction_var): Likewise.
5308         * postreload-gcse.c (find_mem_conflicts): Likewise.
5309         * postreload.c (reload_combine_note_store): Likewise.
5310         (move2add_note_store): Likewise.
5311         * reload.c (find_equiv_reg): Likewise.
5312         (mark_referenced_resources): Likewise.
5313         * rtlanal.c (set_noop_p): Likewise.
5314         (note_stores): Likewise.
5315         (note_uses): Likewise.
5316         * sched-deps.c (sched_analyze_1): Likewise.
5317         * sched-rgn.c (check_live_1): Likewise.
5318         (update_live_1): Likewise.
5319         * config/i860/i860.c: Likewise.
5320
5321         * rtl.dec (SIGN_EXTRACT): Document that this cannot appear as
5322         an lvalue.
5323         (ZERO_EXTRACT): Mention that this one can be an lvalue.
5324
5325         * doc/rtl.texi: Update documentation for bit-fields and SET.
5326
5327 2005-01-05  Roger Sayle  <roger@eyesopen.com>
5328
5329         * ifcvt.c (find_if_case_1): Revert 2005-01-04 change.
5330
5331 2005-01-05  Jan Hubicka  <jh@suse.cz>
5332             Richard Henderson  <rth@redhat.com>
5333
5334         PR target/18910
5335         * config/i386/i386.c (ix86_expand_move): Handle tls symbols
5336         with an offset.
5337
5338 2005-01-05  Richard Henderson  <rth@redhat.com>
5339
5340         PR target/12902
5341         * config/i386/i386.md (sse_movhps, sse_movlps): Remove.
5342         (sse_shufps): Change operand 3 to const_int_operand.
5343         (sse2_storelps): Fix typo in template.
5344         (sse_storehps, sse_loadhps, sse_storelps, sse_loadlps): New.
5345         * config/i386/i386.c (ix86_expand_vector_move_misalign): Use them.
5346         (ix86_expand_builtin): Likewise.
5347
5348 2005-01-05  Julian Brown  <julian@codesourcery.com>
5349
5350         * config/arm/arm.c (arm_return_in_memory): Treat complex types
5351         as aggregates for AAPCS ABIs.
5352
5353 2005-01-05  Stan Shebs  <shebs@apple.com>
5354
5355         * unwind-dw2-fde-darwin.c (examine_objects): Use 64-bit
5356         Mach-O getters if ppc64.
5357         * config/darwin.c (darwin_asm_output_dwarf_delta): Obey
5358         size argument.
5359         * config/darwin.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
5360         signed four-byte field for global code case.
5361         (STARTFILE_SPEC): Avoid crt2.o for 64-bit compilation.
5362
5363 2005-01-05  Roger Sayle  <roger@eyesopen.com>
5364
5365         PR middle-end/19100
5366         * c-common.c: Include real.h.
5367         (c_common_truthvalue_conversion): Avoid destructively modifying expr.
5368         Correctly handle TREE_CONSTANT_OVERFLOW for INTEGER_CST.
5369         Correctly handle TREE_CONSTANT_OVERFLOW and NaNs for REAL_CST.
5370         * Makefile.in (c-common.o): Update dependencies.
5371
5372 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
5373
5374         * c-parse.in (asm_string): Add trailing semicolon.
5375
5376 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
5377
5378         * c-parse.in (asm_string): New.  Don't allow wide strings in
5379         'asm'.
5380         (simple_asm_expr, asm_argument, asm_operand, asm_clobbers): Use
5381         asm_string instead of STRING.
5382
5383 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
5384
5385         * c-typeck.c (constructor_no_implicit): Remove.
5386         (set_designator, process_init_element): Don't check
5387         constructor_no_implicit.
5388
5389 2005-01-05  J"orn Rennecke <joern.rennecke@st.com>
5390             Kaz Kojima  <kkojima@gcc.gnu.org>
5391
5392         PR target/16482
5393         * lcm.c (create_pre_exit): New.
5394         (optimize_mode_switching): In MODE_ENTRY / MODE_EXIT case, set
5395         ENTRY_EXIT_EXTRA to 3.  Use create_pre_exit.
5396
5397 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
5398
5399         * arm.h (TARGET_OPTIONS): Correctly record -mhard-float and
5400         -msoft-float in target_float_switch.
5401         * arm.c (arm_override_options): Fix processing of target_float_switch.
5402
5403 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
5404
5405         * arm/vfp.md (arm_movsi_vfp): Hide VFP register classes from register
5406         preferencing.
5407
5408 2004-01-05  Uros Bizjak  <uros@kss-loka.si>
5409
5410         * doc/invoke.texi (Intel 386 and AMD x86-64 Options):
5411         Replace i387 with 'i386 compiler' in -mfpmath=sse option.
5412
5413 2005-01-04  Roger Sayle  <roger@eyesopen.com>
5414
5415         * ifcvt.c (find_if_case_1): Avoid creating an empty forwarder block,
5416         if deleting the then-block allows the test-block to fallthru to the
5417         else-block.
5418
5419 2005-01-04  Andrew Pinski  <pinskia@physics.uc.edu>
5420
5421         PR c/19152
5422         * c-decl.c (diagnose_mismatched_decls): Accept "extern inline" declared
5423         after the full declaration if the are in two different TUs.
5424
5425 2005-01-04  Richard Henderson  <rth@redhat.com>
5426
5427         PR tree-opt/19158
5428         * tree-sra.c (generate_one_element_init): Just
5429         call gimplify_and_add.
5430         (generate_element_init): Record the
5431         new referenced variables and mark them for renaming
5432         and split out to ...
5433         (generate_element_init_1): This.
5434         (scalarize_init): Don't call push_gimplify_context/
5435         pop_gimplify_context.
5436
5437 2005-01-04  Geoffrey Keating  <geoffk@apple.com>
5438
5439         * toplev.c (get_src_pwd): Handle failure of getpwd().
5440
5441 2005-01-04  Roger Sayle  <roger@eyesopen.com>
5442
5443         * fold-const.c (fold_single_bit_test): Delete unreachable handling
5444         of TRUTH_NOT_EXPR.
5445         (fold): Don't call fold_single_bit_test with a TRUTH_NOT_EXPR, as
5446         all the cases handled by it are inverted by invert_truthvalue.
5447
5448 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
5449
5450         * config/sparc/sparc.md (save_register_windowdi): Add missing mode.
5451         (save_register_windowsi): Likewise.
5452
5453 2005-01-04  Richard Henderson  <rth@redhat.com>
5454
5455         * tree-mudflap.c (mf_varname_tree): Fix thinko setting declname.
5456
5457 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
5458
5459         PR middle-end/17767
5460         * cse.c (fold_rtx) [RTX_COMPARE, RTX_COMM_COMPARE]: Don't attempt
5461         any simplifications of vector mode comparison operators.
5462         * simplify-rtx.c (simplify_relational_operation): Fix variable name.
5463
5464 2005-01-04  Paolo Bonzini  <bonzini@gnu.org>
5465             Devang Patel  <dpatel@apple.com>
5466
5467         PR tree-optimization/18308
5468         * tree-if-conv.c (add_to_dst_predicate_list): Gimplify
5469         the operands before creating a new expression.
5470         * dojump.c (do_jump): Make drop_through_label available
5471         for all cases.  Add expansion of COND_EXPR.
5472
5473 2005-01-04  Ira Rosen  <irar@il.ibm.com>
5474
5475         * tree-vectorizer.c (vect_analyze_offset_expr): Test for
5476         INTEGER_CST instead of TREE_CONSTANT.
5477         (vect_gen_niters_for_prolog_loop): Test for INTEGER_CST
5478         instead of TREE_CONSTANT.
5479         (vect_analyze_pointer_ref_access): Test for INTEGER_CST
5480         instead of TREE_CONSTANT.
5481
5482 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
5483
5484         * tree-eh.c (replace_goto_queue): Return early if the queue is empty.
5485
5486 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
5487
5488         PR target/19240
5489         * config/i386/i386.md (*fop_df_1_i387): Disable for TARGET_SSE_MATH.
5490         (*fop_df_1_i387): Disable for (TARGET_SSE2 && TARGET_SSE_MATH).
5491
5492 2005-01-03  Richard Henderson  <rth@redhat.com>
5493
5494         * fold-const.c (force_fit_type): Cope with types larger than 2 HWI.
5495         (fold_convert_const_int_from_int, fold_convert_const_int_from_real,
5496         fold_convert_const_real_from_real): Split out from ...
5497         (fold_convert_const): ... here.
5498
5499 2005-01-03  Richard Henderson  <rth@redhat.com>
5500
5501         PR target/19235
5502         * config/i386/i386.md (movdi_2): Separate SSE1 and SSE2 alternatives.
5503         (mov<MMXMODEI>_internal): Likewise.
5504         (movdf_nointeger): Prefer Y while not preferring, but allowing, x.
5505         Add V2SF case; use it for SSE1; don't use TI.
5506         (movdf_integer): Likewise.
5507         (mov<SSEMODEI>_internal, movti_internal): Force V4SF for SSE1.
5508
5509 2005-01-03  Ira Rosen  <irar@il.ibm.com>
5510
5511         * tree-vectorizer.c (vect_strip_conversions): New function.
5512         (vect_analyze_offset_expr): Call vect_strip_conversions. Add
5513         check for binary class.
5514
5515 2005-01-03  Daniel Berlin  <dberlin@dberlin.org>
5516
5517         Fix PR debug/17924
5518         Fix PR debug/19191
5519         * dwarf2out.c (block_ultimate_origin): Follow decl origin if origin
5520         is a decl.
5521         * gimple-low.c (mark_blocks_with_used_vars): New function.
5522         (mark_blocks_with_used_subblocks): Ditto.
5523         (mark_used_blocks): Ditto.
5524         (pass_mark_used_blocks): New pass.
5525         * tree-inline.c: Include debug.h.
5526         (expand_call_inline): Call outlining_inline_function here.
5527         * tree-optimize.c (init_tree_optimization_passes): Add
5528         pass_mark_used_blocks.
5529         * tree-pass.h (pass_mark_used_blocks): New.
5530         * Makefile.in (tree-inline.o): Add debug.h dependency.
5531
5532 2005-01-03  Geoffrey Keating  <geoffk@apple.com>
5533
5534         * config/darwin.c (darwin_handle_weak_import_attribute): Permit
5535         VAR_DECLs to have weak_import attribute.
5536
5537         * config/rs6000/darwin-fallback.c: Use 'ucontext_t' rather than
5538         'struct ucontext'.
5539
5540 2004-01-03  Steven Bosscher  <stevenb@suse.de>
5541
5542         * passes.c (rest_of_compilation): Don't run regmove if only
5543         flag_expensive_optimizations, require flag_regmove instead.
5544
5545 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
5546
5547         * config/sparc/litecoff.h (TARGET_OS_CPP_BUILTINS): Do not
5548         register "sparc".
5549         * config/sparc/sysv4-only.h (TARGET_OS_CPP_BUILTINS): Likewise.
5550         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
5551         * config/sparc/sol2-64.h (TARGET_SUB_OS_CPP_BUILTINS): Delete.
5552         * config/sparc/sp64-elf.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
5553
5554 2005-01-03  Richard Henderson  <rth@redhat.com>
5555
5556         * config/ia64/ia64.c (TARGET_VECTOR_MODE_SUPPORTED_P): New.
5557         (ia64_const_ok_for_letter_p): New.
5558         (ia64_const_double_ok_for_letter_p): New.
5559         (ia64_extra_constraint): New.
5560         (ia64_expand_vecint_compare): New.
5561         (ia64_expand_vcondu_v2si): New.
5562         (ia64_expand_vecint_cmov): New.
5563         (ia64_expand_vecint_minmax): New.
5564         (ia64_print_operand): Add 'v'.
5565         (ia64_preferred_reload_class): New.
5566         (ia64_vector_mode_supported_p): New.
5567         * config/ia64/ia64.h (UNITS_PER_SIMD_WORD): New.
5568         (PREFERRED_RELOAD_CLASS): Move to function.
5569         (CONST_OK_FOR_LETTER_P): Move to function.
5570         (CONST_DOUBLE_OK_FOR_LETTER_P): Move to function.
5571         (CONSTRAINT_OK_FOR_Q, CONSTRAINT_OK_FOR_R): Remove.
5572         (CONSTRAINT_OK_FOR_S, CONSTRAINT_OK_FOR_T): Remove.
5573         (EXTRA_CONSTRAINT): Move to function.
5574         * config/ia64/ia64.md: Include vect.md.
5575         (itanium_class): Add mmalua.
5576         (type): Handle it.
5577         * config/ia64/itanium1.md (1_mmalua): New.  Add it to bypasses.
5578         (1b_mmalua): New.
5579         * config/ia64/itanium2.md (2_mmalua, 2b_mmalua): Similarly.
5580         * config/ia64/predicates.md (gr_reg_or_0_operand): Accept any
5581         CONST0_RTX.
5582         (const_int_2bit_operand): New.
5583         (fr_reg_or_0_operand): New.
5584         * config/ia64/ia64-modes.def: Add vector modes.
5585         * config/ia64/ia64-protos.h: Update.
5586         * config/ia64/vect.md: New file.
5587
5588 2005-01-03  Richard Henderson  <rth@redhat.com>
5589
5590         * simplify-rtx.c (simplify_binary_operation): Handle VEC_CONCAT.
5591
5592 2005-01-03  Uros Bizjak  <uros@kss-loka.si>
5593
5594         PR target/19236
5595         * config/i386/i386.c (log1psf2): Change mode of operands[0,1]
5596         to SFmode.
5597         (log1pdf2): Change mode of operands[0,1] to DFmode.
5598
5599 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
5600
5601         * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Define to false.
5602         * config/sparc/linux.h (SPARC_RELAXED_ORDERING): Define to true.
5603         * config/sparc/linux64.h (SPARC_RELAXED_ORDERING): Likewise.
5604         * config/sparc/sparc.c (TARGET_RELAXED_ORDERING): Define to
5605         SPARC_RELAXED_ORDERING.
5606
5607 2005-01-03  Richard Henderson  <rth@redhat.com>
5608             Uros Bizjak  <uros@kss-loka.si>
5609
5610         PR target/14631
5611         * config/i386/i386.c (ix86_expand_builtin): [IX86_BUILTIN_PINSRW,
5612         IX86_BUILTIN_PINSRW128]: Fix wrong selector range in error message.
5613         * config/i386/i386.md (mmx_pinsrw, sse2_pinsrw): Fix selector
5614         handling.
5615         (*mmx_pinsrw, *sse2_pinsrw): New patterns.
5616         * config/i386/i386/predicates.md (const_pow2_1_to_8_operand,
5617         const_pow2_1_to_128_operand): New predicates.
5618
5619 2005-01-02  Greg McGary  <greg@mcgary.org>
5620
5621         * tree-mudflap.c (mf_varname_tree): decl_printable_name handles
5622         anonymous decls.
5623         (mf_xform_derefs_1) [RESULT_DECL, STRING_CST]: Handle as innermost
5624         object.  [ptr_type]: Remove unused variable.
5625         Remember nearest addressable array-element or record-component
5626         when checking bitfield components.  Tolerate empty BIND_EXPR.
5627
5628 2005-01-01  Richard Henderson  <rth@redhat.com>
5629
5630         * tree-vectorizer.c (vect_analyze_offset_expr): Strip conversions
5631         that don't narrow the value.  Fail for other conversions.
5632
5633 2005-01-01  Richard Henderson  <rth@redhat.com>
5634
5635         PR c/19031
5636         * c-decl.c (pop_file_scope): Call maybe_apply_pending_pragma_weaks.
5637         * c-lang.c (finish_file): Don't do it here.
5638         * objc/objc-act.c (objc_finish_file): Likewise.
5639
5640         * cgraph.c (decl_assembler_name_equal): New.
5641         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): New.
5642         (cgraph_varpool_node): Actually link up cgraph_varpool_nodes.
5643         * cgraph.h (struct cgraph_varpool_node): Add next.
5644         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): Declare.
5645         * varasm.c (assemble_alias): Mark the target as needed.
5646
5647 2005-01-01  Andrew Pinski  <pinskia@physics.uc.edu>
5648
5649         PR middle-end/19221
5650         * function.c (get_arg_pointer_save_area): Use entry_of_function
5651         instead of get_insns.
5652
5653 2005-01-01  Roger Sayle  <roger@eyesopen.com>
5654             Andrew Pinski  <pinskia@physics.uc.edu>
5655             James E. Wilson  <wilson@specifixinc.com>
5656
5657         PR rtl-optimization/12092
5658         * loop.c (emit_prefetch_instructions): Do nothing if PREFETCH_BLOCK
5659         is zero.
5660
5661 2005-01-01  Roger Sayle  <roger@eyesopen.com>
5662             Olivier Hainque  <hainque@act-europe.fr>
5663
5664         * tree.c (int_fits_type_p): A narrower type always fits in a
5665         wider one, except for negative values into unsigned types.
5666
5667 2005-01-01  Roger Sayle  <roger@eyesopen.com>
5668
5669         * tree.c (int_fits_type_p): Compare the result of force_fit_type
5670         with the original constant rather than require TREE_OVERFLOW.
5671
5672 2005-01-01  Steven Bosscher  <stevenb@suse.de>
5673
5674         PR middle-end/17544
5675         * c-decl.c (finish_function): If compiling C99, annotate the
5676         compiler generated return with the current file name and line 0.
5677         * tree-cfg.c (remove_useless_stmts_warn_notreached): Only warn if
5678         the source line is greater than 0.
5679         (remove_bb): Likewise.
5680
5681 See ChangeLog.12 for earlier changes.