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getopt.c: Include "ansidecl.h".
[gcc.git] / gcc / ChangeLog
CommitLineData
b49ceb45
JM		 12005-07-21 James A. Morrison <phython@gcc.gnu.org>
2
3 * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
4 (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
5
30c54de9
DD		 62005-07-21 DJ Delorie <dj@redhat.com>
7
8 * toplev.c (warn_deprecated_use): Add warning control to warning
9 call.
c303630a
DD		 10 * c-typeck.c (parser_build_binary_op): Likewise.
11 (c_finish_if_stmt): Likewise.
30480ec4
DD		 12 * c-common.c (check_function_sentinel): Likewise.
13 (check_nonnull_arg): Likewise.
30c54de9 14
95a8c155
RH		 152005-07-21 Richard Henderson <rth@redhat.com>
16
17 PR tree-opt/22504
18 * tree-complex.c (complex_ssa_name_components): New.
19 (cvc_lookup): Allow entry not found.
20 (create_components): Remove.
21 (create_one_component_var, get_component_var): New.
22 (get_component_ssa_name, set_component_ssa_name): New.
23 (extract_component): Use get_component_ssa_name.
24 (update_complex_components): Use set_component_ssa_name.
25 (update_complex_components_on_edge): Likewise.
26 (update_phi_components): Create new PHI nodes directly, instead
27 of adding insns to edges.
28 (tree_lower_complex): Allocate and free complex_variable_components
29 and complex_ssa_name_components here.
30
c05a0766
DB		 312005-07-20 Daniel Berlin <dberlin@dberlin.org>
32
33 * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
34 revert to returning false.
35
de343c8d
UB		 362005-07-21 Uros Bizjak <uros@kss-loka.si>
37
38 PR target/21149
39 * config/i386/i386.md (sse_movhlps): Fix vec_select values.
40
5acc26ef
UB		 412005-07-21 Uros Bizjak <uros@kss-loka.si>
42
43 PR target/22576
44 * config/i386/i386.md (cmpxf): Change operand constraints
45 to "nonmemory_operand".
46
61cb44fe
AP		 472005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
48
49 * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
50
e2fe73f6
AP		 512005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
52
53 PR middle-end/21180
54 * fold-const.c (fold_build1): Add checksum for the operands.
55 (fold_build2): Likewise.
56 (fold_build3): Likewise.
57
9d24eb54
AP		 582005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
59
60 PR middle-end/19055
61 * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
62
b2e0afa0
PB		 632005-07-21 Paolo Bonzini <bonzini@gnu.org>
64
65 * common.opt (-fforward-propagate): Committed by mistake,
66 removed.
67
2e48874f
VR		 682005-07-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
69
70 * reg-stack.c: Fix comment typo(s).
71 * tree-ssa-operands.c: Likewise.
72 * tree-vectorizer: Likewise.
73
889d8465
NC		 742005-07-21 Nick Clifton <nickc@redhat.com>
75
76 * config/sh/symbian.c: Replace C++ style line comments with C
77 style line comments.
78 (symbian_add_attribute): Do not use a ? operator on the LHS of
79 an assignment.
80 (sh_symbian_handle_dll_attribute): Change the type of the
81 method vector to "VEC(tree,gc)*" and use vector accessor
82 macros to walk over the elements.
83 (symbian_export_vtable_and_rtti_p): Likewise.
84 (symbian_class_needs_attribute_p): Likewise.
85
2fab365e
PB		 862005-07-21 Paolo Bonzini <bonzini@gnu.org>
87
88 PR target/22085
89 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
90 initialize targetm.resolve_overloaded_builtin here.
91 (altivec_expand_overloaded_builtin): Make it non-static.
92 * config/rs6000/rs6000-protos.h
93 (altivec_expand_overloaded_builtin): New prototype.
94 * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
95 targetm.resolve_overloaded_builtin here.
96 * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
97
f9cc1a70
PB		 982005-07-21 Paolo Bonzini <bonzini@gnu.org>
99 Zdenek Dvorak <dvorakz@suse.cz>
100
101 PR tree-optimization/19210
102 * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
103 New.
104 * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
105 * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
106 rely on unproven assumptions.
107 * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
108 * tree-flow.h (number_of_iterations_exit): Add final parameter.
109 * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
110 to number_of_iterations_exit.
111 * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
112 * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
113 * tree-ssa-loop-niter.c (find_loop_niter,
114 estimate_numbers_of_iterations_loop): Likewise.
115 (number_of_iterations_exit): Honor the new options.
116 * doc/invoke.texi (Wunsafe-loop-optimizations,
117 funsafe-loop-optimizations): Document them.
118
cb83c2ec
RS		 1192005-07-21 Richard Sandiford <richard@codesourcery.com>
120
121 PR rtl-optimization/22167
122 * gcse.c (hoist_code): Fix hoist_exprs[] check.
123
5e5cbbfb
AN		 1242005-07-20 Adam Nemet <anemet@lnxw.com>
125
126 * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
127 __do_global_dtors_aux longcall.
128
c2acaf06
KH		 1292005-07-20 Kazu Hirata <kazu@cs.umass.edu>
130
131 * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
132 (old_special_pred_table): Don't reference
133 SPECIAL_MODE_PREDICATES.
134 * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
135 * config/arc/arc.h: Don't mention PREDICATE_CODES.
136 * config/sh/predicates.h: Don't mention
137 SPECIAL_MODE_PREDICATES.
138 * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
139 Remove.
140
38b2d076
DD		 1412005-07-20 DJ Delorie <dj@redhat.com>
142
143 * config.gcc: Add m32c-elf support.
144
145 * doc/contrib.texi: Mention m32c.
146 * doc/extend.texi: Document m32c extensions.
147 * doc/install.texi: Mention m32c.
148 * doc/invoke.texi: Document m32c options.
149 * doc/md.texi: Document m32c constraints.
150
151 * config/m32c/addsub.md: New file.
152 * config/m32c/bitops.md: New file.
153 * config/m32c/cond.md: New file.
154 * config/m32c/jump.md: New file.
155 * config/m32c/m32c-lib1.S: New file.
156 * config/m32c/m32c-lib2.c: New file.
157 * config/m32c/m32c-modes.def: New file.
158 * config/m32c/m32c-pragma.c: New file.
159 * config/m32c/m32c-protos.h: New file.
160 * config/m32c/m32c.abi: New file.
161 * config/m32c/m32c.c: New file.
162 * config/m32c/m32c.h: New file.
163 * config/m32c/m32c.md: New file.
164 * config/m32c/m32c.opt: New file.
165 * config/m32c/minmax.md: New file.
166 * config/m32c/mov.md: New file.
167 * config/m32c/muldiv.md: New file.
168 * config/m32c/predicates.md: New file.
169 * config/m32c/prologue.md: New file.
170 * config/m32c/shift.md: New file.
171 * config/m32c/t-m32c: New file.
172
50b69666
KK		 1732005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
174
175 * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
176 (stack_protect_set, stack_protect_test): New expanders.
177 (stack_protect_set_si, stack_protect_set_si_media,
178 stack_protect_set_di_media, stack_protect_test_si,
179 stack_protect_test_si_media, stack_protect_test_di_media):
180 New insns.
181
71b50543
AP		 1822005-07-20 Andrew Pinski <pinskia@physics.uc.edu>
183
184 * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
185
4db8040c
JM		 1862005-07-20 James A. Morrison <phython@gcc.gnu.org>
187
188 * tree.h (tree_expr_nonzero_p): Export.
189 * fold-const.c (tree_expr_nonzero_p): Likewise.
190 Return true for CALL_EXPRs that are alloca calls.
191 (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
192 against zero.
193 * tree-flow.h (expr_computes_nonzero): Remove.
194 * tree-vrp.c (expr_computes_nonzero): Remove.
195 (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
196 (extract_range_from_unary_expr): Likewise.
197 * tree-ssa-dom.c (record_equivalences_from_stmt): Use
198 tree_expr_nonzero_p.
199
6d459e2b
BS		 2002005-07-20 Bernd Schmidt <bernd.schmidt@analog.com>
201
09350e36
BS		 202 * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
203 * config/bfin/bfin.c (legitimize_pic_address): Now static. Take
204 extra arg "picreg" and use it instead of pic_offset_table_rtx.
205 All callers changed.
206 (frame_related_constant_load): New arg "related" which controls
207 setting of RTX_FRAME_RELATED_P. All callers changed.
208 (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
209 (bfin_expand_prologue): Add stack limit checking.
210 * config/bfin/bfin.md (trapifcc): New pattern.
211
05905337
BS		 212 * config/bfin/bfin.c: Include "langhooks.h".
213 (def_builtin): Go through lang_hooks to call builtin_function.
214
6d459e2b
BS		 215 * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
216 * config/bfin/predicates.md (symbol_ref_operand): New.
217 (call_insn_operand): Delete. All callers changed to use
218 register_no_elim_operand.
219 * config/bfin/bfin.c (init_cumulative_args): Initialize the new
220 call_cookie field.
221 (function_arg): Use it to generate the call's operand 2.
222 (bfin_longcall_p): New function.
223 (bfin_expand_call): Extra arg "cookie". All callers and declaration
224 changed. Emit extra USE in the pattern. Use bfin_longcall_p to
225 determine if the address needs to be in a REG.
226 (bfin_handle_longcall_attribute): New function.
227 (bfin_attribute_table): Add "longcall" and "shortcall".
228 * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
229 (CUMULATIVE_ARGS): New member call_cookie.
230 (PREDICATE_CODES): Add symbol_ref_operand.
231 * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
232 extra USE to the pattern.
233 (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
234 New patterns, split off call_insn, sibcall_insn, call_value_insn and
235 sibcall_value_insn; now the new patterns handle direct calls and the
236 old ones indirect calls.
237 * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
238
67135ef4
ZD		 2392005-07-20 Zdenek Dvorak <dvorakz@suse.cz>
240
241 * doc/trouble.texi: Update section on handling of empty loops.
242
fdda361d
KH		 2432005-07-20 Kazu Hirata <kazu@codesourcery.com>
244
245 * config.gcc: Remove support for sparc-*-openbsd*,
246 i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
247 ns32k-*-netbsd*.
248 * config.host: Remove support for i860-*-sysv4* as a host.
249 * config/i860/*, config/ip2k/*, config/ns32k/*,
250 config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
251 * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
252 mention obsolete ports.
253
96a2347e
KK		 2542005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
255
256 * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
257 soft frame pointer.
258 (sh_expand_prologue): Use hard_frame_pointer_rtx instead
259 of frame_pointer_rtx.
260 (sh_expand_epilogue): Likewise.
261 (sh_set_return_address): Likewise.
262 (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
263 instead of FRAME_POINTER_REGNUM if needed. Add elimination
264 offsets from FRAME_POINTER_REGNUM.
265 * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
266 (sh_register_names): Add initializer for sfp.
267 (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
268 (VALID_REGISTER_P): Likewise.
269 (FIRST_PSEUDO_REGISTER): Update.
270 (DWARF_FRAME_REGISTERS): Define.
271 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
272 (HARD_FRAME_POINTER_REGNUM): Define.
273 (FRAME_POINTER_REGNUM): Redefine.
274 (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
275 but HARD_FRAME_POINTER_REGNUM instead. Add eliminations
276 from FRAME_POINTER_REGNUM.
277 (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
278 FRAME_POINTER_REGNUM.
279 (REG_CLASS_CONTENTS): Add sfp.
280 (REG_ALLOC_ORDER): Likewise.
281 (FRAME_GROWS_DOWNWARD): Set to 1. Update comment.
282 (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
283 of frame_pointer_rtx.
284 (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
285
1ade5842
JM		 2862005-07-19 James A. Morrison <phython@gcc.gnu.org>
287
288 * fold-const.c (tree_expr_nonnegative_p): Only return true for
289 ABS_EXPR when flag_wrapv is false because of INT_MIN.
290 (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
291 of an ABS_EXPR.
292 (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
293 ABS_EXPR<x>.
294
4038c495
GB		 2952005-07-20 Giovanni Bajo <giovannibajo@libero.it>
296
297 Make CONSTRUCTOR use VEC to store initializers.
298 * c-common.c (complete_array_type): Update to cope with VEC in
299 CONSTRUCTOR_ELTS.
300 * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
301 (pp_c_constructor_elts): New function.
302 * c-pretty-print.h (pp_c_constructor_elts): Declare.
303 * c-typeck.c (build_function_call, build_c_cast, digest_init,
304 struct constructor_stack, struct initializer_stack,
305 constructor_elements, push_init_level, pop_init_level,
306 add_pending_init, find_init_member, output_init_element): Update to
307 cope with VEC in CONSTRUCTOR_ELTS.
308 * coverage.c (build_fn_info_value, build_ctr_info_value,
309 build_gcov_info): Likewise.
310 * expr.c (categorize_ctor_elements_1, store_constructor,
311 expand_expr_real_1): Likewise.
312 * fold-const.c (fold_ternary): Likewise.
313 * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
314 gimplify_init_constructor, gimplify_expr): Likewise.
315 * tree-dump.c (dequeue_and_dump): Likewise.
316 * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
317 node.
318 * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
319 CONSTRUCTOR_ELTS.
320 * tree-sra.c (generate_element_init_1): Likewise.
321 * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
322 * tree-ssa-operands.c (get_expr_operands): Likewise.
323 * tree-vect-generic.c (expand_vector_piecewise): Likewise.
324 * tree-vect-transform.c (vect_get_vec_def_for_operand):
325 (get_initial_def_for_reduction): Likewise.
326 * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
327 value handle in annotations.
328 * tree.c (tree_node_kind, tree_code_size, make_node_stat,
329 tree_node_structure): Add support for constr_kind.
330 (build_vector_from_ctor, build_constructor_single,
331 build_constructor_from_list): New functions.
332 (build_constructor): Update to take a VEC instead of a TREE_LIST.
333 (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
334 Update to cope with VEC in CONSTRUCTOR_ELTS.
335 * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
336 * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
337 CONSTRUCTOR_APPEND_ELT): New macros.
338 (struct constructor_elt, struct tree_constructor): New data types.
339 (union tree_node): Add tree_constructor field.
340 * treestruct.def: Define TS_CONSTRUCTOR.
341 * varasm.c (const_hash_1, compare_constant, copy_constant,
342 compute_reloc_for_constant, output_addressed_constants,
343 initializer_constant_valid_p, output_constant,
344 array_size_for_constructor, output_constructor): Update to cope with
345 VEC in CONSTRUCTOR_ELTS.
346 * vec.h (VEC_empty, VEC_copy): New macros.
347
f37d7c60
DP		 3482005-07-19 Devang Patel <dpatel@apple.com>
349
350 * dbxout.c (dbxout_type): Check Objective-C++ lang.
351
af62f6f9
RH		 3522005-07-19 Richard Henderson <rth@redhat.com>
353
354 PR tree-opt/22278
355 * gimplify.c (gimplify_expr): Use main variant type for the temp
356 destination for a discarded volatile read.
357 * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
358 casts between non-void types that change volatility.
359
b9b8dde3
DD		 3602005-07-15 DJ Delorie <dj@redhat.com>
361
362 * toplev.h: Add comment about the first parameter for warning().
363 * errors.h: Likewise.
364
365 * c.opt (Wpragmas): New.
366 * doc/invoke.texi: Document it.
367
368 * function.c (do_warn_unused_parameter): Add warning control to
369 warning call.
370 * c-decl.c (warn_if_shadowing): Likewise.
371 * c-lex.c (cb_def_pragma): Likewise.
372 * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
373 (pop_alignment): Likewise.
374 (handle_pragma_pack): Likewise.
375 (apply_pragma_weak): Likewise.
376 (handle_pragma_weak): Likewise.
377 (handle_pragma_redefine_extname): Likewise.
378 (add_to_renaming_pragma_list): Likewise.
379 (handle_pragma_extern_prefix): Likewise.
380 (maybe_apply_renaming_pragma): Likewise.
381 (handle_pragma_visibility): Likewise.
382
383 * config/c4x/c4x-c.c (BAD): Likewise.
384 (c4x_parse_pragma): Likewise.
385 * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
386 * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
387 (rs6000_pragma_longcall): Likewise.
388 * config/v850/v850-c.c (pop_data_area): Likewise.
389 (ghs_pragma_section): Likewise.
390 (ghs_pragma_section): Likewise.
391 (ghs_pragma_interrupt): Likewise.
392 (ghs_pragma_starttda): Likewise.
393 (ghs_pragma_startsda): Likewise.
394 (ghs_pragma_startzda): Likewise.
395 (ghs_pragma_endtda): Likewise.
396 (ghs_pragma_endsda): Likewise.
397 (ghs_pragma_endzda): Likewise.
398
6a9a79a8
DB		 3992005-07-19 Danny Berlin <dberlin@dberlin.org>
400 Kenneth Zadeck <zadeck@naturalbridge.com>
401
402 * Makefile.in: Removed tree-promote-statics.c
403 * tree-promote-statics.c: Removed.
404 * common.opt: Removed flag-promote-statics.
405 * opts.c: Ditto.
406 * passes.c: Removed tree-promote-statics pass.
407 * tree-pass.h: Ditto.
408 * timevar.def: Removed TV_PROMOTE_STATICS.
409
410
0219cf3d
GP		 4112005-07-19 Gerald Pfeifer <gerald@pfeifer.com>
412
413 * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
414 and *-*-freebsd9.
415 * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
416
7876a414
KG		 4172005-07-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
418
419 PR c/22476
420 * c-common.c (check_function_arguments): Call
421 'check_function_format' if either -Wformat or
422 -Wmissing-format-attribute are specified.
423 * c-format.c (check_function_format): Check -Wformat before
424 calling 'check_format_info'.
425 * c-opts.c (c_common_post_options): Don't warn for
426 -Wmissing-format-attribute without -Wformat.
427 * c-typeck.c (convert_for_assignment): Detect additional cases for
428 -Wmissing-format-attribute.
429 * doc/invoke.texi (-Wmissing-format-attribute): Document new
430 behavior.
431
98ea7437
RG		 4322005-07-19 Richard Guenther <rguenther@suse.de>
433
434 * config/i386/i386.md (lrint<mode>2): Use temporary
435 instead of clobbering non-existent memory.
436
89a0b917
NC		 4372005-07-19 Nick Clifton <nickc@redhat.com>
438
439 * config/avr/avr.c (legitimate_address_p): Fix debugging print
440 statement to avoid displaying ASCII control characters.
441
dfea6c85
BE		 4422005-07-19 Ben Elliston <bje@au.ibm.com>
443
444 * bt-load.c (link_btr_uses): Fix uninitialised warnings.
445 * cfganal.c (find_edge_index): Ditto.
446 * combine.c (combine_instructions): Ditto.
447 * ddg.c (create_scc): Ditto.
448 (find_successors): Ditto.
449 (find_predecessors): Ditto.
450 (find_nodes_on_paths): Ditto.
451 (longest_simple_path): Ditto.
452 * flow.c (update_life_info): Ditto.
453 (count_or_remove_death_notes): Ditto.
454 (clear_log_links): Ditto.
455 * modulo-sched.c (generate_reg_moves): Ditto.
456 (find_max_asap): Ditto.
457 (find_max_hv_min_mob): Ditto.
458 (find_max_dv_min_mob): Ditto.
459 * sbitmap.c (sbitmap_first_set_bit): Ditto.
460 * sched-rgn.c (extract_edgelst): Ditto.
461 * tree-into-ssa.c (prepare_names_to_update): Ditto.
462 (dump_update_ssa): Ditto.
463 (ssa_names_to_replace) Ditto.
464 (switch_virtuals_to_full_rewrite): Ditto.
465 (update_ssa): Ditto.
466 * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
467
b9d33488
DB		 4682005-07-18 Daniel Berlin <dberlin@dberlin.org>
469
470 Fix PR tree-optimization/22483
471
472 * tree-complex.c (create_components): Use
473 safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
474 * tree-flow-inline.h (fill_referenced_var_vec): New function.
475 * tree-flow.h (safe_referenced_var_iterator): New structure.
476 (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
477 * tree-ssa-alias.c (setup_pointers_and_addressables): Use
478 safe_referenced_var iterator.
479 (add_type_alias): Ditto.
480
9fa26457
SB		 4812005-07-19 Steven Bosscher <stevenb@suse.de>
482
483 * loop-init.c (rest_of_handle_loop2): Remove.
484 (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
485 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
486 (pass_rtl_loop_init, pass_rtl_loop_done,
487 pass_rtl_move_loop_invariants, pass_rtl_unswitch,
488 pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
489 * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
490 pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
491 pass_tree_loop_done, and pass_tree_unswitch.
492 (gate_loop): Rename to gate_tree_loop.
493 * passes.c (init_optimization_passes): Update for renamed tree
494 loop passes. Add the new loop2 passes as subpasses of loop2.
495 * tree-pass.h: Add extern declarations for the new loop2 subpasses.
496 Update for the renamed tree loop passes.
497
7825308e
ILT		 4982005-07-18 Ian Lance Taylor <ian@airs.com>
499
500 PR middle-end/22057
501 * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
502 blocks when optimizing.
503
2928d0f8
SE		 5042005-07-18 Steve Ellcey <sje@cup.hp.com>
505
506 * common.opt (frename-registers): Initialize to 2.
507 (fweb): Ditto.
508 (fgcse-after-reload): Ditto.
509 * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
510 (process_options): Only change flag_web, flag_rename_registers,
511 and flag_rerun_cse_after_loop if not explicitly set by user.
512
28356f52
JB		 5132005-07-18 Jan Beulich <jbeulich@novell.com>
514
515 * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
516 ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
517 in 64-bit mode the same as DImode in 32-bit mode.
518 (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
519 ix86_split_lshr): Likewise. Rename to no longer refer to a specific
520 mode. Add new mode parameter.
521 * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
522 * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
523 x86_64_shift_adj): New expanders.
524 (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
525 *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
526 insns.
527 Respective new splitters. Use renamed shift splitter helpers in 32-bit
528 DImode shift splitters.
529 * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
530 ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
531 mode parameter.
532
422edd6f
JB		 5332005-07-18 Jan Beulich <jbeulich@novell.com>
534
535 * i386.md (movdi_extzv_1): New.
536 (zero_extendhidi2): Combine alternatives and never force use of
537 REX64 prefix.
538 (zero_extendqidi2): Likewise. Don't restrict input selection.
539
c625053b
DB		 5402005-07-17 Daniel Berlin <dberlin@dberlin.org>
541
542 Fix PR tree-optimization/22531
543 * tree-ssa-pre.c (do_eustores): Make sure LHS is a decl for the
544 moment.
545
3b1355f3
DB		 5462005-07-17 Daniel Berlin <dberlin@dberlin.org>
547
548 * tree-promote-statics.c (pass_promote_statics): Change dump file
549 name.
550
5512005-07-17 Daniel Berlin <dberlin@dberlin.org>
45159bf6
DB		 552
553 * tree-optimize.c (init_tree_optimization_passes): Add
554 pass_eliminate_useless_stores pass.
555 * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
556 * tree-ssa-pre.c (is_copy_stmt): New function.
557 (follow_copies_till_vuse): Ditto.
558 (do_eustores): Ditto.
559 (gate_eustores): Ditto.
560
7544a87f
RH		 5612005-07-16 Richard Henderson <rth@redhat.com>
562
563 * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
564
bf0d50f1
KZ		 5652005-07-16 Danny Berlin <dberlin@dberlin.org>
566 Kenneth Zadeck <zadeck@naturalbridge.com>
567
568 * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
569 ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
570 ipa-type-escape.h, tree-promote-statics.c
571 * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
572 ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
573 tree-promote-statics.c: new files.
574 * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
575 nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
576 int nonlocal_set_p, mark_constant_function): Deleted.
577 (rest_of_handle_cfg): Removed call to mark_constant_function.
578 (nonoverlapping_component_refs_p): Added calls to support
579 type based aliasing.
580 * tree-ssa-alias.c (may_alias_p,
581 compute_flow_insensitive_aliasing): Ditto.
582 * calls.c (flags_from_decl_or_type): Removed reference to
583 cgraph_rtl_info.
bf0d50f1
KZ		 584 * c-typeck.c (convert_arguments): Make builtins tolerant of having
585 too many arguments. This is necessary for Spec 2000.
586 * cgraph.h (const_function, pure_function): Removed.
587 * common.opt: Added "fipa-pure-const", "fipa-reference",
588 "fipa-type-escape", and "ftree-promote-static".
589 * opts.c: Ditto.
590 * passes.c: Added ipa and tree-promote-statics passes.
591 * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
592 TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
bf0d50f1
KZ		 593 * tree-dfa.c (referenced_var_lookup_if_exists): New function.
594 * tree-flow.h: Added exposed sra calls and addition of
595 reference_vars_info field for FUNCTION_DECLS.
596 * tree-pass.h: Added passes.
597 * tree-sra.c: (sra_init_cache): New function.
598 (sra_insert_before, sra_insert_after) Made public.
599 (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
600 and made public.
601 * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
602 aliasing. (may_alias_p): Added code to use type escape analysis to
603 improve alias sets.
604 * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
605 code to prune clobbers of static variables based on information
606 produced in ipa-reference pass. Changed call clobbering so that
607 statics are not marked as clobbered if the call does not clobber
608 them.
609
b6e0bdbd
DB		 6102005-07-16 Daniel Berlin <dberlin@dberlin.org>
611
612 * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
613 too.
614
2c00bd42
EB		 6152005-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
616
617 * doc/install.texi (*-*-solaris2*): Document recommended version
618 of GNU binutils and mention GNU linker problem on Solaris 10.
619
0b359b01
JM		 6202005-07-16 Joseph S. Myers <joseph@codesourcery.com>
621
622 PR c/22421
623 * c-decl.c (c_build_bitfield_integer_type): New function.
624 (finish_struct): Call it.
625 * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
626
8fcef540
KG		 6272005-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
628
629 * c-typeck.c (digest_init): Call 'convert_for_assignment'
630 before returning.
631
84fc24e8
JH		 6322005-07-16 Jan Hubicka <jh@suse.cz>
633
634 * cfg.c (update_bb_profile_for_threading): Fix profile updating.
635 (scale_bbs_frequencies_int): Watch roundoff errors.
636 * predict.c (return_prediction): Initialize return_stmt.
637
3258272f
JH		 6382005-07-16 Jan Hubicka <jh@suse.cz>
639
640 * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
641 after RTL profiling.
642
01c0a9fa
AP		 6432005-07-11 Andrew Pinski <pinskia@physics.uc.edu>
644
645 PR middle-end/22398
646 * fold-const.c (build_range_check): Convert high/low to etype
647 if we are only comparing against exp.
648
27811bfe
DB		 6492005-07-13 Daniel Berlin <dberlin@dberlin.org>
650
651 Fix PR tree-optimization/22376
652 * tree-ssa-structalias.c (build_constraint_graph): We really meant
653 special var here.
654 (need_to_solve): New function.
655 (compute_points_to_sets): Use it.
656
2b151cb2
JH		 6572005-07-15 Jan Hubicka <jh@suse.cz>
658
659 * cfg.c (update_bb_profile_for_threading): More diagnostic.
660 * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
661
0691d1d4
RG		 6622005-07-15 Richard Guenther <rguenther@suse.de>
663
664 * c-common.c (handle_flatten_attribute): New function.
665 Add flatten function attribute.
666 * doc/extend.texi: Document flatten function attribute.
667 * Makefile.in (ipa-inline.o): Depend on hashtab.h.
668 * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
669 New functions.
670 (cgraph_decide_inlining): Handle functions with flatten
671 attribute.
672
9f0076e5
DE		 6732005-07-14 David Edelsohn <edelsohn@gnu.org>
674
675 * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
676 UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
677 UNSPEC_XCHG, UNSPEC_AND): New.
678 (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
679 UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
680 * config/rs6000/sync.md (FETCHOP): New code macro.
681 (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
682 New code attrs.
683 (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
684 (sync_compare_and_swap<mode>): Same.
685 (sync_lock_test_and_set<mode>): Same.
686 (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
687 for QImode and HImode, and not PPC405.
688 (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
689 (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
690 (sync_<fetchop>{si,di}_internal): New.
691 (sync_nand{si,di}_internal): New.
692 (sync_old_<fetchop>{si,di}_internal): New.
693 (sync_old_nand{si,di}_internal): New
694 (sync_new_<fetchop>{si,di}_internal): New.
695 (sync_new_nand{si,di}_internal): New.
696 (atomic_and{si,di}): New.
697 (sync_new_nand{si,di}_internal): New.
698 (atomic_and{si,di}): New.
699 (sync_add<mode>_internal): Delete.
700 (sync_addshort_internal): Use unspec instead of unspec_volatile.
701 (sync_sub<mode>_internal): Delte.
702 (sync_subshort_internal): New.
703 (sync_andsi_internal): Use unspec instead of unspec_volatile.
704 (sync_anddi_internal): Delete.
705 (sync_boolsi_internal): Use unspec instead of unspec_volatile.
706 (sync_booldi_internal): Delete.
707 (sync_boolc<mode>_internal): Delete.
708 (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
709 (sync_boolc<mode>_internal2): Delete.
710 (sync_boolcc<mode>_internal): Delete.
711 (isync, lwsync): Use unspec instead of unspec_volatile.
712 * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
713 Revert UNSPEC_VOLATILE.
714 (rs6000_split_atomic_op): New.
715 * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
716
06277571
EC		 7172005-07-14 Eric Christopher <echristo@redhat.com>
718
719 * config/mips/mips.c (mips_canonicalize_comparison): Cast
720 argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
721
b838c72b
EC		 7222005-07-14 Eric Christopher <echristo@redhat.com>
723
724 * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
725
3c341936
SB		 7262005-07-14 Steven Bosscher <stevenb@suse.de>
727
728 PR tree-optimization/22230
729 * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
730 the computation of the four cross productions for "range op range".
731
704b6cb5
AO		 7322005-07-14 Alexandre Oliva <aoliva@redhat.com>
733 Ulrich Weigand <uweigand@de.ibm.com>
734
735 PR target/20126
736 * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
737 in some insn.
738
a771c4b3
UW		 7392005-07-14 Ulrich Weigand <uweigand@de.ibm.com>
740
741 * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
742
6f3113ed
SE		 7432005-07-14 Steve Ellcey <sje@cup.hp.com>
744
745 * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
746
cb1119b7
RG		 7472005-07-14 Richard Guenther <rguenther@suse.de>
748
749 PR middle-end/22347
750 * config/i386/i386-protos.h (ix86_function_value): Change
751 prototype to match new target hook.
752 * config/i386/i386.c (ix86_value_regno): Change prototype
753 to take extra type argument.
754 (TARGET_FUNCTION_VALUE): Define.
755 (ix86_function_ok_for_sibcall): Pass extra argument to
756 ix86_value_regno, check return slot rtx for exact match.
757 (ix86_function_value): Take extra parameter. Dispatch to
758 ix86_value_regno with fndecl/fntype as provided.
759 (ix86_value_regno): Handle extra type argument.
760 * config/i386/i386.h (FUNCTION_VALUE): No longer define.
761
762 * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
763 * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
764 * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
765 * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
766 * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
767
1d636cc6
RG		 7682005-07-14 Richard Guenther <rguenther@suse.de>
769
770 * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
771 * calls.c (expand_call): Pass fntype to hard_function_value.
772 (emit_library_call_value_1): Likewise.
773 * explow.c: Include target.h.
774 (hard_function_value): Take extra argument, the fntype.
775 Use new target hook for function_value.
776 * expr.h (hard_function_value): Change prototype.
777 * function.c (aggregate_value_p): Pass 0 as fntype to
778 hard_function_value.
779 (assign_parms): Use new target hook for function_value.
780 Pass 0 as fntype to hard_function_value.
781 (expand_function_end): Likewise.
782 * reg-stack.c: Include target.h.
783 (stack_result): Use new target hook for function_value.
784 * target-def.h: New target hook function_value.
785 * target.h: Likewise.
786 * targhooks.c (default_function_value): New function.
787 * targhooks.h (default_function_value): Declare.
788
09d8cc0e
ILT		 7892005-07-13 Ian Lance Taylor <ian@airs.com>
790
791 * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
792
df1f6f31
JH		 7932005-07-14 Jan Hubicka <jh@suse.cz>
794
795 * tree-dfa.c (dump_variable): Use default_def function.
796 * tree-ssa-alias.c (dump_points_to_info): Likewise.
797 * tree-ssa.c (verify_use): Likewise.
798 * tree-ssanames.c (release_ssa_name): Likewise.
799 * tree-tailcall.c (eliminate_tail_call): Likewise.
800 (tree_optimize_tail_calls_1): Likewise.
801 * tree-vrp.c (get_value_range): Likewise.
802
9ef0b1bd
BE		 8032005-07-14 Ben Elliston <bje@au.ibm.com>
804
805 * gcc.c (main): Compare language[0] with '*' when iterating over
806 the infiles.
807
69950452
AS		 808