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1 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
2
3         * doc/include/gcc-common.texi (versionsubtitle): New macro.
4         * doc/cpp.texi: Standardize title page.
5         * doc/cppinternals.texi: Likewise.
6         * doc/gcc.texi: Standardize title page, remove version number
7         from copyright page.
8         * doc/gccint.texi: Likewise.
9         * doc/install.texi: Standardize title page, add table of
10         contents.
11
12 2007-02-26  Jan Hubicka  <jh@suse.cz>
13
14         * predict.def: Set outcomes according to more recent results.
15         (PRED_LOOP_CONDITION, PRED_LOOP_PRECONDITIONING, PRED_LOOP_HEADER):
16         Remove dead predictors.
17         * predict.c (return_prediction): Fix pasto.
18
19 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
20
21         * loop-iv.c (simplify_using_initial_values): Fix oversight in previous
22         change; avoid a memory leak when returning early.
23         
24 2007-02-26  Mark Mitchell  <mark@codesourcery.com>
25
26         * c-decl.c (static_ctors): Move to c-common.c.
27         (static_dtors): Likewise.
28         (finish_function): Use c_record_cdtor_fn.
29         (build_cdtor): Move to c-common.c.
30         (c_write_global_declarations): Use c_build_cdtor_fns.
31         * c-common.h (static_ctors): Declare.
32         (static_dtors): Likewise.
33         (c_record_cdtor_fn): Likewise.
34         (c_build_cdtor_fns): Likewise.
35         * c-common.c (static_ctors): New variable.
36         (static_dtors): Likewise.
37         (c_record_cdtor_fn): New function.
38         (build_cdtor): Move from c-decl.c
39         (c_build_cdtor_fns): New function.
40
41         * output.h (assemble_addr_to_section): Declare.
42         (get_cdtor_priority_section): Likewise.
43         * varasm.c (assemble_addr_to_section): New function.
44         (get_cdtor_priority_section): Likewise.
45         (default_named_section_asm_out_destructor): Use them.
46         (destor_dtor_section_asm_out_destructor): Likewise.
47         (default_named_section_asm_out_constructor): Likewise.
48         (default_ctor_section_asm_out_constructor): Likewise.
49         * config.gcc (*-*-vxworks*): Include vxworks.o.
50         * config/t-vxworks (vxworks.o): New target.
51         * config/vxworks.h (ALWAYS_NUMBER_CTORS_SECTIONS): Remove.
52         (TARGET_ASM_CONSTRUCTOR): Define.
53         (TARGET_ASM_DESTRUCTOR): Likewise.
54         (vxworks_asm_out_constructor): Declare.
55         (vxworks_asm_out_destructor): Likewise.
56
57         * c-common.c (get_priority): Check that we have not just an
58         INTEGER_CST, but an integer constant with integeral type.
59
60 2007-02-25  Uros Bizjak  <ubizjak@gmail.com>
61
62         PR tree-optimization/30938
63         * tree-vect-transform.c (vectorizable_call): Fix off-by-one error:
64         use &dt[nargs-1] instead of &dt[nargs] in the call to
65         vect_is_simple_use().
66
67 2007-02-25  Ulrich Weigand  <uweigand@de.ibm.com>
68
69         * reload.c (find_reloads_address_1): Handle PLUS expressions resulting
70         from register elimination as PRE_MODIFY / POST_MODIFY increments.
71         Do not attempt to handle MEM inside auto-inc expressions.
72         * reload1.c (eliminate_regs_1): Do not attempt to handle elimination
73         of a register modified by an auto-inc expression.  However, do handle
74         elimination of a register used as PRE_MODIFY / POST_MODIFY increment.
75         (elimination_effects): Prohibit elimination of a register modified
76         by an auto-inc expression.  Disable register elimination rules whose
77         target register is modified by an auto-inc expression with variable
78         increment.
79
80 2007-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
81
82         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): Fix
83         off-by-one error.
84         (array_at_struct_end_p): New function.
85         (idx_infer_loop_bounds): Use it.
86         (estimate_numbers_of_iterations_loop): Export.
87         * predict.c (predict_loops): Use estimated_loop_iterations_int.
88         Do not use PRED_LOOP_EXIT on exits predicted by # of iterations.
89         (tree_estimate_probability): Call record_loop_exits.
90         * tree-data-ref.c (get_number_of_iters_for_loop): Replaced by ...
91         (estimated_loop_iterations, estimated_loop_iterations_int,
92         estimated_loop_iterations_tree): New functions.
93         (analyze_siv_subscript_cst_affine,
94         compute_overlap_steps_for_affine_1_2,
95         analyze_subscript_affine_affine): Use estimated_loop_iterations_int.
96         (analyze_miv_subscript): Use estimated_loop_iterations_tree.
97         * predict.def (PRED_LOOP_ITERATIONS): Update comment.
98         (PRED_LOOP_ITERATIONS_GUESSED): New.
99         * cfgloop.c (record_loop_exits): Do nothing if there are no loops.
100         * cfgloop.h (estimate_numbers_of_iterations_loop,
101         estimated_loop_iterations_int): Declare.
102
103 2007-02-25  Mark Mitchell  <mark@codesourcery.com>
104
105         * doc/extend.texi: Document optional priority argument to
106         constructors and destructors.
107         * tree.c (init_priority_for_decl): Adjust GTY markers.
108         (init_ttree): Use priority-info hash functions for
109         init_priority_for_decl.
110         (tree_map_eq): Rename to ...
111         (tree_map_base_eq): ... this.
112         (tree_map_marked_p): Rename to ...
113         (tree_map_base_marked_p): ... this.
114         (tree_map_base_hash): New function.
115         (decl_init_priority_lookup): Rework.
116         (decl_fini_priority_lookup): New function.
117         (decl_priority_info): New function.
118         (decl_init_priority_insert): Use it.
119         (decl_fini_priority_insert): Likewise.
120         (decl_restrict_base_lookup): Adjust for refactoring of tree_map
121         hierarchy.
122         (decl_restrict_base_insert): Likewise.
123         (decl_debug_expr_insert): Likewise.
124         (decl_value_expr_lookup): Likewise.
125         (decl_value_expr_insert): Likewise.
126         * tree.h (priority_type): New type.
127         (decl_init_priority_lookup): Use priority_type.
128         (decl_fini_priority_lookup): New function.
129         (decl_init_priority_insert): Use priority_type.
130         (decl_fini_priority_insert): New function.
131         (DECL_HAS_INIT_PRIORITY): Tweak comments.
132         (DECL_INIT_PRIORITY): Likewise.
133         (SET_DECL_INIT_PRIORITY): Add comment.
134         (DECL_FINI_PRIORITY): New macro.
135         (SET_DECL_FINI_PRIORITY): Likewise.
136         (DEFAULT_INIT_PRIORITY): Document.
137         (MAX_INIT_PRIORITY): Likewise.
138         (MAX_RESERVED_INIT_PRIORITY): Likewise.
139         (tree_map_base): New type.
140         (tree_map_base_eq): New function.
141         (tree_map_base_hash): Likewise.
142         (tree_map_base_marked_p): Likewise.
143         (tree_map): Inherit from tree_map_base.
144         (tree_map_eq): Make it a macro.
145         (tree_map_marked_p): Likewise.
146         (tree_int_map): Inherit from tree_map_base.
147         (tree_int_map_eq): Make it a macro.
148         (tree_int_map_hash): Likewise.
149         (tree_int_map_marked_p): Likewise.
150         (tree_priority_map): New type.
151         (tree_priority_map_eq): New macro.
152         (tree_priority_map_hash): Likewise.
153         (tree_priority_map_marked_p): Likewise.
154         * varasm.c (emults_decl): Adjust for refactoring of tree_map
155         hierarchy.
156         (emutls_common_1): Likewise.
157         * lambda-code.c (replace_uses_equiv_to_x_with_y): Likewise.
158         * tree-ssa-structalias.c (heapvar_lookup): Adjust for refactoring
159         of tree_map hierarchy.
160         * tree-cfg.c (move_stmt_r): Likewise.
161         (new_label_mapper): Likewise.
162         * c-tree.h (c_expand_body): Move to ...
163         * c-common.h (c_expand_body): ... here.
164         * c-decl.c (c_expand_body): Move to ...
165         * c-common.c (c_expand_body): ... here.
166         (c_common_attribute_table): Allow 1 argument for the constructor
167         and destructor attributes.
168         (get_priority): New function.
169         (handle_constructor_attribute): Set DECL_INIT_PRIORITY.
170         (handle_destructor_attribute): Set DECL_FINI_PRIORITY.
171
172 2007-02-24  Jan Hubicka  <jh@suse.cz>
173
174         PR middle-end/30509
175         * tree-inline.c (copy_bb): Produce exact copy of EH info when copying for inlining.
176
177 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
178             Jan Hubicka  <jh@suse.cz>
179
180         PR target/30778
181         * i386.c (counter_mode): New function.
182         (expand_set_or_movmem_via_loop): Use it.
183         (expand_movmem_epilogue): Likewise; fix pasto.
184         (ix86_expand_movmem): Do emit guard even for constant counts.
185         (ix86_expand_setmem): Likewise.
186
187 2007-02-25  Nick Clifton  <nickc@redhat.com>
188
189         * config/frv/frv.h (ASM_OUTPUT_CASE_LABEL): Delete.
190         (JUMP_TABLES_IN_TEXT_SECTION): Define.
191
192 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
193
194         PR target/30770
195         * config/i386/i386.md (expand_movmem_epilogue): Fix typo, mask
196         count argument with 0x10, not with 0x16.
197         (expand_setmem_epilogue): Ditto.
198
199 2007-02-24  Mike Stump  <mrs@apple.com>
200
201         * config/i386/i386.c (output_pic_addr_const): Stubify optimized
202         symbols.
203
204 2007-02-24  Richard Guenther  <rguenther@suse.de>
205
206         PR middle-end/30951
207         * fold-const.c (fold_binary): Fold x +- CST op x for
208         EQ_EXPR and NE_EXPR.
209
210 2007-02-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
211
212         * pa.md (muldi3): Force subregs to registers in 64-bit expander.
213
214 2007-02-24  Jan Hubicka  <jh@suse.cz>
215
216         * cgraphunit.c (decide_is_function_needed): Honor
217         -fkeep-inline-functions.
218
219 2007-02-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
220
221         * builtins.c (fold_builtin_modf): New.
222         (fold_builtin_2): Use it.
223
224 2007-02-24  Bernd Schmidt  <bernd.schmidt@analog.com>
225
226         * loop-iv.c (implies_p): Detect additional cases where A implies B.
227         (determine_max_iter): Take additional LOOP arg; all callers changed.
228         Lose broken logic dealing with PLUS.  Try to limit the upper bound by
229         one using simplifications.
230         (simplify_using_initial_values): Return if the expression becomes
231         invalid due to altered regs.
232
233 2007-02-23  DJ Delorie  <dj@redhat.com>
234
235         * doc/tm.h (BIGGEST_ALIGNMENT): Clarify the purpose of this macro.
236
237 2007-02-23  Mike Stump  <mrs@apple.com>
238
239         * tlink.c (scan_linker_output): Parse linker messages from
240         darwin9's linker better.
241
242 2007-02-23  Steve Ellcey  <sje@cup.hp.com>
243
244         PR debug/29614
245         * varpool.c (varpool_assemble_pending_decls):  Set
246         varpool_last_needed_node to null.
247
248 2007-02-23  DJ Delorie  <dj@redhat.com>
249
250         * config/i386/i386.c (ix86_data_alignment): Don't specify an
251         alignment bigger than the object file can handle.
252
253 2007-02-23  Uros Bizjak  <ubizjak@gmail.com>
254
255         PR target/30825
256         * config/i386/i386.md (*movdi_1_rex64, zero_extendsidi2_32,
257         zero_extendsidi2_rex64): Penalize MMX register<->memory moves.
258         (*movsf_1): Penalize MMX moves.
259
260 2007-02-23  Bernd Schmidt  <bernd.schmidt@analog.com>
261
262         * config/bfin/bfin.md (doloop_end): Fail for loops that can iterate
263         2^32-1 or more times unless flag_unsafe_loop_optimizations.
264
265         * loop-iv.c (determine_max_iter): Moved in front of its sole user.
266
267 2007-02-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
268
269         * builtins.c (fold_builtin_logb, fold_builtin_significand): New.
270         (fold_builtin_1): Use them.
271         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
272         BUILT_IN_SIGNIFICAND.
273
274 2007-02-23  H.J. Lu  <hongjiu.lu@intel.com>
275
276         * config/i386/i386.c (bdesc_1arg): Initialize
277         IX86_BUILTIN_MOVSHDUP and IX86_BUILTIN_MOVSLDUP with
278         "__builtin_ia32_movshdup" and "__builtin_ia32_movsldup".
279         (ix86_init_mmx_sse_builtins): Remove IX86_BUILTIN_MOVSHDUP
280         and IX86_BUILTIN_MOVSLDUP.
281
282 2007-02-22  Paolo Bonzini  <bonzini@gnu.org>
283
284         PR rtl-optimization/30841
285         * fwprop.c (propagate_rtx_1): Accept a VOIDmode replacement address.
286
287 2007-02-22  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
288
289         * builtins.c (fold_builtin_frexp): New.
290         (fold_builtin_2): Use it.
291
292 2007-02-22  Mark Mitchell  <mark@codesourcery.com>
293
294         * doc/invoke.texi (Spec Files): Document getenv spec function.
295
296         * gcc.c (getenv_spec_function): New function.
297         (static_spec_functions): Add it.
298         * config/vxworks.h (VXWORKS_TARGET_DIR): Remove.
299         (VXWORKS_ADDITIONAL_CPP_SPEC): Use getenv to find the VxWorks
300         header files.
301
302 2007-02-22  Michael Matz  <matz@suse.de
303
304         PR c++/29433
305         * dwarf2out.c (add_AT_string): Call ggc_strdup once per string.
306         (type_tag): Use lang_hooks.dwarf_name instead of DECL_NAME.
307
308 2007-02-22  Ian Lance Taylor  <iant@google.com>
309
310         PR debug/30898
311         * dwarf2out.c (concatn_mem_loc_descriptor): New static function.
312         (mem_loc_descriptor): Call it.
313
314 2007-02-22  Zdenek Dvorak  <dvorakz@suse.cz>
315             Ira Rosen  <irar@il.ibm.com>
316
317         * tree-data-ref.c (ptr_ptr_may_alias_p): Take alias sets into account.
318
319 2007-02-22  Ira Rosen  <irar@il.ibm.com>
320
321         PR tree-optimization/30843
322         * tree-vect-transform.c (vect_transform_loop): Remove strided scalar 
323         stores only after all the group is vectorized.
324
325 2007-02-22  Dorit Nuzman  <dorit@il.ibm.com>
326
327         PR tree-optimization/30858
328         * tree-vectorizer.c (vect_is_simple_reduction): Check that the stmts
329         in the reduction cycle have a single use in the loop.
330         * tree-vectorizer.h (relevant): Add documentation.
331
332 2007-02-20  Mike Stump  <mrs@apple.com>
333
334         * configure.ac (powerpc*-*-darwin*): #include <sys/cdefs.h>.
335         * configure: Regenerate.
336
337 2007-02-21  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
338
339         Change the defaults of some parameters and options.
340         * config/spu/spu-protos.h (spu_optimization_options): Declare.
341         * config/spu/spu.c (spu_optimization_options): Add.
342         (spu_override_options): Change params in spu_optimization_options.
343         * config/spu/spu.h (OPTIMIZATION_OPTIONS): Define.
344
345         Register 127 is only 16 byte aligned when used as a frame pointer.
346         * config/spu/spu-protos.h (spu_init_expanders): Declare.
347         * config/spu/spu.c (spu_expand_prologue): Set REGNO_POINTER_ALIGN for
348         HARD_FRAME_POINTER_REGNUM.
349         (spu_legitimate_address):  Use regno_aligned_for_reload.
350         (regno_aligned_for_load):  HARD_FRAME_POINTER_REGNUM is only 16 byte
351         aligned when frame_pointer_needed is true.
352         (spu_init_expanders): New.  Set alignment of HARD_FRAME_POINTER_REGNUM
353         to 8 bits.
354         * config/spu/spu.h (INIT_EXPANDERS): Define.
355
356         Make sure shift and rotate instructions have valid immediate operands.
357         * config/spu/predicates.md (spu_shift_operand): Remove.
358         * config/spu/spu.c (print_operand): Add [efghEFGH] modifiers.
359         * config/spu/constraints.md (W, O): Extend range.
360         * config/spu/spu.md (umask, nmask): Define.
361         (ashl<mode>3, ashldi3, ashlti3_imm, shlqbybi_ti, shlqbi_ti, shlqby_ti,
362         lshr<mode>3, rotm_<mode>, lshr<mode>3_imm, rotqmbybi_<mode>,
363         rotqmbi_<mode>, rotqmby_<mode>, ashr<mode>3, rotma_<mode>,
364         rotl<mode>3, rotlti3, rotqbybi_ti, rotqby_ti, rotqbi_ti): Use
365         spu_nonmem_operand instead of spu_shift_operands.  Use new modifiers.
366         (lshr<mode>3_reg):  Fix rtl description.
367
368         Make sure mulhisi immediate operands are valid.
369         * config/spu/predicates.md (imm_K_operand): Add.
370         * config/spu/spu.md (mulhisi3_imm, umulhisi3_imm): Use imm_K_operand.
371
372         Generate constants using fsmbi and andi.
373         * config/spu/spu.c (enum immediate_class): Add IC_FSMBI2.
374         (print_operand, spu_split_immediate, classify_immediate,
375         fsmbi_const_p): Handle IC_FSMBI2.
376
377         Correctly handle a CONST_VECTOR containing symbols.
378         * config/spu/spu.c (print_operand): Handle HIGH correctly.
379         (spu_split_immediate): Split CONST_VECTORs with -mlarge-mem.
380         (immediate_load_p): Allow symbols that use 2 instructions to create.
381         (classify_immediate, spu_builtin_splats):  Don't accept a CONST_VECTOR
382         with symbols when flag_pic is set.
383         (const_vector_immediate_p): New.
384         (logical_immediate_p, iohl_immediate_p, arith_immediate_p): Don't
385         accept a CONST_VECTOR with symbols.
386         (spu_legitimate_constant_p): Use const_vector_immediate_p.  Don't
387         accept a CONST_VECTOR with symbols when flag_pic is set.  Handle HIGH
388         correctly.
389         * config/spu/spu.md (high, low): Delete.
390         (low_<mode>): Define.
391
392         Remove INTRmode and INTR_REGNUM, which didn't work.
393         * config/spu/spu.c (spu_conditional_register_usage): Remove reference
394         of INTR_REGNUM.
395         * config/spu/spu-builtins.md (spu_idisable, spu_ienable, set_intr,
396         set_intr_pic, set_intr_cc, set_intr_cc_pic, set_intr_return, unnamed
397         peephole2 pattern): Don't use INTR or 131.
398         (movintrcc): Delete.
399         * config/spu/spu.h (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS,
400         CALL_USED_REGISTERS, REGISTER_NAMES, INTR_REGNUM): Remove INTR_REGNUM.
401         * config/spu/spu.md (UNSPEC_IDISABLE, UNSPEC_IENABLE): Remove.
402         (UNSPEC_SET_INTR): Add.
403         * config/spu/spu-modes.def (INTR): Remove.
404
405         More accurate warnings about run-time relocations.
406         * config/spu/spu.c (reloc_diagnostic): Test in_section.
407
408         Correctly warn about immediate arguments to specific intrinsics.
409         * config/spu/spu.c (spu_check_builtin_parm): Handle CONST_VECTORs.
410         (spu_expand_builtin_1): Call spu_check_builtin_parm before checking
411         the instruction predicate.
412
413         Fix tree check errors with latest update.
414         * config/spu/spu.c (expand_builtin_args, spu_expand_builtin_1): Use
415         CALL_EXPR_ARG.
416         (spu_expand_builtin): Use CALL_EXPR_FN.
417
418         Add missing specific intrinsics.
419         * config/spu/spu-builtins.def: Add si_bisled, si_bisledd and
420         si_bislede.
421         * config/spu/spu_internals.h: Ditto.
422
423         Fix incorrect operand modifiers.
424         * config/spu/spu-builtins.md (spu_mpy, spu_mpyu):  Remove use of %H.
425         * config/spu/spu.md (xor<mode>3):  Change %S to %J.
426
427         Optimize one case of zero_extend of a vec_select.
428         * config/spu/spu.md (_vec_extractv8hi_ze):  Add.
429
430         Accept any immediate for hbr.
431         * config/spu/spu.md (hbr):  Change s constraints to i.
432
433 2007-02-21  Paul Brook  <paul@codesourcery.com>
434
435         * config/arm/arm.c (thumb2_final_prescan_insn): Don't incrememnt
436         condexec_count when skipping USE and CLOBBER.
437
438 2007-02-21  Nick Clifton  <nickc@redhat.com>
439
440         * common.opt (Warray-bounds): Add Warning attribute.
441         (Wstrict-overflow, Wstrict-overflow=, Wcoverage-mismatch):
442         Likewise.
443         (fsized-zeroes): Add Optimization attribute.
444         (fsplit-wide-types, ftree-scev-cprop): Likewise.
445         * c.opt (Wc++0x-compat): Add Warning attribute.
446
447 2007-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
448
449         PR middle-end/30761
450         * reload1.c (eliminate_regs_in_insn): In the single_set special
451         case, attempt to re-recognize the insn before falling back to
452         having reload fix it up.
453
454 2007-02-20  Eric Christopher  <echristo@gmail.com>
455
456         * config/frv/frv.c (frv_read_argument): Take a tree and int argument.
457         Rewrite accordingly.
458         (frv_read_iacc_argument): Ditto.
459         (frv_expand_set_builtin): Take a call instead of arglist, update for
460         above changes.
461         (frv_expand_unop_builtin): Ditto.
462         (frv_expand_binop_builtin): Ditto.
463         (frv_expand_cut_builtin): Ditto.
464         (frv_expand_binopimm_builtin): Ditto.
465         (frv_expand_voidbinop_builtin): Ditto.
466         (frv_expand_int_void2arg): Ditto.
467         (frv_expand_prefetches): Ditto.
468         (frv_expand_voidtriop_builtin): Ditto.
469         (frv_expand_voidaccop_builtin): Ditto.
470         (frv_expand_load_builtin): Ditto.
471         (frv_expand_store_builtin): Ditto.
472         (frv_expand_mdpackh_builtin): Ditto.
473         (frv_expand_mclracc_builtin): Ditto.
474         (frv_expand_mrdacc_builtin): Ditto.
475         (frv_expand_mwtacc_builtin): Ditto.
476         (frv_expand_builtin): Remove usage of CALL_EXPR_ARGS, update
477         calls for above.
478
479 2007-02-20  Janis Johnson  <janis187@us.ibm.com>
480
481         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcmpb and -mdfp.
482         * configure.ac (HAVE_GAS_CMPB): Check for assembler support of the
483         cmpb instruction.
484         (HAVE_GAS_DFP): Check for assembler support of decimal floating
485         point instructions.
486         * configure: Regenerate.
487         * config.in: Regenerate.
488         * config/rs6000/rs6000.opt (mcmpb, mdfp): New.
489         * config/rs6000/rs6000.c (rs6000_override_options): Add CMPB and DFP
490         masks to power6 and power6x and to POWERPC_MASKS.
491         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
492         _ARCH_PWR6.
493         * config/rs6000/rs6000.h: Check assembler support for CMPB and DFP.
494         * config/rs6000/sysv4.opt (mprototype): Use variable, not mask.
495         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
496         Access PROTOTYPE as variable, not mask.
497
498 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
499
500         * rtl.h (remove_reg_equal_equiv_notes): New prototype.
501         * rtlanal.c (remove_reg_equal_equiv_notes): New function.
502         * combine.c (adjust_for_new_dest): Use it.
503         * postreload.c (reload_combine): Likewise.
504
505 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
506
507         * rtlanal.c (find_reg_equal_equiv_note): Do not find REG_EQ*
508         notes on an insn with multiple sets, even if single_set returns
509         non-NULL for that insn.
510
511 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
512
513         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle scalb,
514         scalbn and scalbln.
515
516 2007-02-20  Geoffrey Keating  <geoffk@apple.com>
517
518         * config/darwin.h (LINK_SPEC): Default -mmacosx-version-min only
519         if user didn't pass it.
520         * config/i386/darwin.h (CC1_SPEC): Likewise.
521         * config/rs6000/darwin.h (CC1_SPEC): Likewise.
522         (DARWIN_MINVERSION_SPEC): Don't depend on user's setting of
523         -mmacosx-version-min.
524
525 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
526             Uros Bizjak  <ubizjak@gmail.com>
527
528         * optabs.h (enum optab_index): Add new OTI_scalb.
529         (scalb_optab): Define corresponding macro.
530         * optabs.c (init_optabs): Initialize scalb_optab.
531         * genopinit.c (optabs): Implement scalb_optab using scalb?f3
532         patterns.
533         * builtins.c (expand_builtin_mathfn_2, expand_builtin): Handle
534         BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L} and BUILT_IN_SCALBLN{,F,L}.
535         (expand_builtin): Expand BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L}
536         and BUILT_IN_SCALBLN{,F,L} using expand_builtin_mathfn_2 if
537         flag_unsafe_math_optimizations is set.
538
539         * config/i386/i386.md (scalbxf3, scalb<mode>3): New expanders
540         to implement scalbf, scalb and scalbl built-ins as inline x87
541         intrinsics.
542
543 2007-02-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
544             DJ Delorie <dj@redhat.com>
545
546         PR other/30824
547         * diagnostic.c (diagnostic_count_diagnostic): Move -Werror logic to...
548         (diagnostic_report_diagnostic): ... here, and turn them into real
549         errors. If warnings are inhibited, no need to do anything.
550
551 2007-02-20  Uros Bizjak  <ubizjak@gmail.com>
552
553         * config/i386/i386.md (expm1xf2): Reorder insn sequence for
554         better code generation.
555
556 2007-02-20  Ben Elliston  <bje@au.ibm.com>
557
558         * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove extra ;.
559
560 2007-02-20  Kazu Hirata  <kazu@codesourcery.com>
561
562         * config/alpha/alpha.c, config/alpha/alpha.md,
563         config/alpha/lib1funcs.asm, config/alpha/vms-crt0-64.c,
564         config/alpha/vms-psxcrt0-64.c, config/arc/arc.c,
565         config/arc/arc.h, config/arm/arm.c, config/arm/arm.md,
566         config/arm/lib1funcs.asm: Follow spelling conventions.
567
568         * config/c4x/c4x.md, config/cris/cris.c, config/crx/crx.c,
569         config/fr30/fr30.md, config/i386/i386.h,
570         config/iq2000/iq2000.h, config/iq2000/predicates.md,
571         config/pa/milli64.S, config/pa/pa.c, config/pa/pa.h,
572         config/pa/pa.md, config/pa/pa32-regs.h, config/pa/pa64-regs.h,
573         config/pdp11/pdp11.c, config/pdp11/pdp11.h,
574         config/rs6000/altivec.md, config/rs6000/rs6000.c,
575         config/s390/s390-modes.def, config/sparc/netbsd-elf.h,
576         config/sparc/sparc.c, config/sparc/sparc.h,
577         config/sparc/sparc.md, config/spu/constraints.md,
578         config/spu/spu.c, config/stormy16/stormy16.md: Follow spelling
579         conventions.
580
581 2007-02-20  Alan Modra  <amodra@bigpond.net.au>
582
583         PR target/29943
584         * varasm.c (use_blocks_for_decl_p): Return false for decls with
585         alias attribute.
586
587 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
588
589         * doc/invoke.texi (-ftree-lrs): Remove.
590
591 2007-02-19  Diego Novillo  <dnovillo@redhat.com>
592
593         * tree-ssa-pre.c (create_value_expr_from): Initialize POOL to
594         NULL.
595
596 2007-02-19  Lee Millward  <lee.millward@codesourcery.com>
597
598         * config/ia64/ia64.c (ia64_expand_builtin): Use the
599         new CALL_EXPR_FN macro for retrieving the function
600         declaration of the input expression.
601
602 2007-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
603
604         * c.opt (Waddress): New.
605         * common.opt (Walways-true): Delete.
606         (Wstring-literal-comparison): Delete.
607         * doc/invoke.texi (Warning Options): Delete -Walways-true and
608         -Wstring-literal-comparison. Add -Waddress.
609         (Waddress): New.
610         (Walways-true): Delete.
611         (Wstring-literal-comparison): Delete.
612         * doc/extend.texi (#pragma GCC diagnostic): Use -Wformat
613         consistently instead of -Walways-true in example.
614         * c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall.
615         * c-typeck.c (parser_build_binary_op): Replace
616         -Wstring-literal-comparison and -Walways-true with -Waddress.
617         * c-common.c (c_common_truthvalue_conversion): Replace -Walways-true
618         with -Waddress.
619
620 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
621
622         * tree-cfg.c (dump_function_to_file): Be prepared for functions
623         without DECL_STRUCT_FUNCTION initialized.
624
625 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
626
627         * gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap
628         due to calls to functions taking pointers as parameters.
629
630 2007-02-19  Richard Henderson  <rth@redhat.com>
631
632         PR debug/29558
633         * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
634         in memory.
635
636 2007-02-19  Andreas Krebbel  <krebbel1@de.ibm.com>
637
638         * config/s390/s390.c (s390_call_saved_register_used,
639         s390_function_ok_for_sibcall): Adjust the way CALL_EXPR arguments are
640         accessed to the new scheme.
641
642 2007-02-19  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
643
644         * config/cris/cris.c (cris_movem_load_rest_p, cris_store_multiple_op_p)
645         (cris_print_index, cris_print_operand, cris_print_operand_address)
646         (cris_reload_address_legitimized, cris_rtx_costs, cris_address_cost)
647         (cris_side_effect_mode_ok, cris_valid_pic_const, cris_split_movdx)
648         (cris_expand_pic_call_address): Use xxx_P predicate macros instead of
649         GET_CODE () == xxx.
650         * config/cris/cris.h (SECONDARY_RELOAD_CLASS, EXTRA_CONSTRAINT_Q,
651         EXTRA_CONSTRAINT_T, BDAP_INDEX_P, BIAP_INDEX_P, SIMPLE_ADDRESS_P,
652         GO_IF_LEGITIMATE_ADDRESS): Ditto.
653         * config/cris/cris.md (define_insns: *btst, movdi, *mov_side<mode>)
654         (*mov_sidesisf, *mov_side<mode>_mem, *mov_sidesisf_mem)
655         (*clear_side<mode>, movsi, *movsi_internal, *ext_sideqihi)
656         (*ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>, addsi3)
657         (*extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side)
658         (*extop<mode>si_swap_side, addi_mul, *addi,andsi3, andhi3, ashl<mode>3)
659         (uminsi3, call, call_value): Ditto.
660         (define_split: indir_to_reg_split, unnamed): Ditto.
661
662 2007-02-19  Dorit Nuzman  <dorit@il.ibm.com>
663
664         PR tree-optimization/30975
665         * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove
666         wrong assert.
667
668 2007-02-18  Eric Christopher  <echristo@gmail.com>
669
670         * mips.c (mips_prepare_builtin_arg): Add argnum parameter.
671         Remove use of arglist.
672         (mips_expand_builtin): Remove use of arglist, pass in expr.
673         (mips_expand_builtin_direct): Rewrite handling for arglist removal.
674         (mips_expand_builtin_movtf): Ditto.
675         (mips_expand_builtin_compare): Ditto.
676
677 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
678
679         * tree-sra.c (sra_build_assignment): Replace assertion
680         checking with a comment explaining why it can't be done.
681
682 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
683
684         PR middle-end/30833
685         * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed
686         during CALL_EXPR representation conversion.
687         * tree-ssa-propagate.c (set_rhs): Likewise.
688
689 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
690
691         * tree-sra.c (sra_build_assignment): Disable assertion checking
692         for now.
693
694 2007-02-18  Roger Sayle  <roger@eyesopen.com>
695
696         * function.c (gimplify_parameters): Call build_gimple_modify_stmt
697         instead of calling build2 with a GIMPLE_MODIFY_STMT.
698         * gimple-low.c (lower_function_body, lower_builtin_setjmp):
699         Likewise.
700         * gimplify.c (build_stack_save_restore, gimplify_return_expr,
701         gimplify_decl_expr,  gimplify_self_mod_expr, gimplify_cond_expr,
702         gimplify_init_ctor_eval_range, gimple_push_cleanup,
703         gimplify_omp_for, gimplify_omp_atomic_pipeline,
704         gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos,
705         force_gimple_operand): Likewise.
706         * ipa-cp.c (constant_val_insert): Likewise.
707         * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
708         lambda_loopnest_to_gcc_loopnest, replace_uses_equiv_to_x_with_y,
709         perfect_nestify): Likewise.
710         * langhooks.c (lhd_omp_assignment): Likewise.
711         * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses,
712         lower_copyprivate_clauses, lower_send_clauses,
713         lower_send_shared_vars, expand_parallel_call,
714         expand_omp_for_generic, expand_omp_for_static_nochunk,
715         expand_omp_for_static_chunk, expand_omp_sections,
716         lower_omp_single_copy, lower_omp_for_lastprivate,
717         lower_omp_parallel, init_tmp_var, save_tmp_var): Likewise.
718         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
719         tree_mod_subtract, tree_ic, tree_stringop_fixed_value):
720         Likewise.
721
722 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
723
724         * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h,
725         config/sh/sh.md: Follow spelling conventions.
726
727         * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md,
728         config/frv/predicates.md: Follow spelling conventions.
729
730         * config/m68k/linux-unwind.h: Fix a comment typo.
731         * target.h: Follow spelling conventions.
732
733 2007-02-18  Roger Sayle  <roger@eyesopen.com>
734
735         PR rtl-optimization/28173
736         * simplify-rtx.c (simplify_binary_operation_1) <IOR>:  Optimize
737         (X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects.
738         Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0.
739         Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2.
740         <AND>: Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2).
741
742 2007-02-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
743
744         * builtins.c (fold_builtin_load_exponent): New.
745         (fold_builtin_2): Use it.
746
747 2007-02-18  Steven Bosscher  <steven@gcc.gnu.org>
748
749         PR rtl-optimization/30773
750         * local-alloc.c (update_equiv_regs): Do not set reg_equiv_init
751         if we fail to attach a REG_EQUIV note.
752
753 2007-02-18  David Edelsohn  <edelsohn@gnu.org>
754             Roger Sayle  <roger@eyesopen.com>
755
756         * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter.
757
758 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
759
760         * calls.c (initialize_argument_information): Pass original EXP
761         and STRUCT_VALUE_ADDR_VALUE instead of a list of arguments.  Move
762         code to split complex arguments here, as part of initializing the
763         ARGS array.
764         (expand_call): Remove code that builds a list of arguments and
765         inserts implicit arguments into it.  Instead, just count how many
766         implicit arguments there will be so we can determine the size of
767         the ARGS array, and let initialize_argument_information do the work.
768         (split_complex_values): Delete unused function.
769
770 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
771
772         * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.
773
774 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
775
776         * calls.c (mem_overlaps_already_clobbered_arg_p): Return true
777         for arg pointer based indexed addressing.
778
779 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
780
781         * config/ia64/ia64.h, config/ia64/ia64.md,
782         config/ia64/predicates.md, config/ia64/sysv4.h: Follow
783         spelling conventions.
784
785 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
786
787         * config/m68k/m68k.c (split_di): New.
788         * config/m68k/m68k-protos.h: Declare split_di.
789         * config/m68k/m68k.md (extendsidi2*,ashldi3*,ashrdi3*,lshrdi3*):
790           Improve predicate handling and split constant shifts.
791
792 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
793
794         * config/m68k/m68k.md (extv,extzv,insv): disable dynamic
795         parameter for register bitfield operations, general predicates
796         cleanup
797
798 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
799
800         * config/m68k/linux.h (MD_UNWIND_SUPPORT): Define.
801         * config/m68k/linux-unwind.h: New file.
802
803 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
804
805         * cfgloop.c, config/alpha/alpha.c, config/bfin/bfin.c,
806         config/i386/athlon.md, config/ia64/ia64.md,
807         config/rs6000/rs6000.c, config/s390/s390.c, config/spu/spu.md,
808         df-problems.c, df.h, fold-const.c, ipa-cp.c, ipa-inline.c,
809         ipa-prop.h, see.c, struct-equiv.c, tree-inline.c,
810         tree-ssa-loop-niter.c, tree-vect-analyze.c,
811         tree-vect-transform.c: Fix comment typos.
812
813 2007-02-17  Kazu Hirata  <kazu@codesourcery.com>
814
815         * sched-deps.c (find_insn_list): Remove.
816         * sched-int.h: Remove the prototype for find_insn_list.
817
818 2007-02-16  Geoffrey Keating  <geoffk@apple.com>
819
820         * config/darwin.h (LINK_SPEC): Always pass -macosx_version_min
821         to linker.
822         (DARWIN_EXTRA_SPECS): Add %(darwin_minversion).
823         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Just call
824         darwin_rs6000_override_options.
825         (C_COMMON_OVERRIDE_OPTIONS): Expect
826         darwin_macosx_version_min to be non-NULL always.
827         (TARGET_C99_FUNCTIONS): Likewise.
828         (CC1_SPEC): Always pass -mmacosx-version-min to cc1*.
829         (DARWIN_MINVERSION_SPEC): New.
830         * config/rs6000/rs6000.c (darwin_rs6000_override_options): New.
831         * config/i386/darwin.h (CC1_SPEC): Always pass -mmacosx-version-min
832         to cc1*.
833         (DARWIN_MINVERSION_SPEC): New.
834         * config/darwin.opt (mmacosx-version-min): Initialize to non-NULL
835         value.
836         * config/darwin-c.c (darwin_cpp_builtins): Expect
837         darwin_macosx_version_min to be non-NULL always.
838
839         * config/rs6000/rs6000.c: Clean up trailing whitespace.
840
841 2007-02-16  Uros Bizjak  <ubizjak@gmail.com>
842
843         * config/i386/i386.h (x86_use_xchgb): New.
844         (TARGET_USE_XCHGB): New macro.
845         * config/i386/i386.c (x86_use_xchgb): Set for PENT4.
846         * config/i386/i386.md (*rotlhi3_1 splitter, *rotrhi3_1 splitter):
847         Split after reload into bswaphi for shifts of 8.
848         (bswaphi_lowpart): Generate rolw insn for HImode byte swaps.
849         (*bswaphi_lowpart_1): Generate xchgb for Q registers for TARGET_XCHGB
850         or when optimizing for size.
851
852 2007-02-16  Richard Guenther  <rguenther@suse.de>
853             Christian Bruel  <christian.bruel@st.com>
854
855         * fold-const.c (tree_swap_operands_p): Treat SSA_NAMEs like
856         DECLs but prefer SSA_NAMEs over DECLs.
857
858 2007-02-16  Richard Guenther  <rguenther@suse.de>
859
860         * tree-flow-inline.h (single_imm_use_p): Remove.
861         (zero_imm_uses_p): Likewise.
862         * tree-ssa-coalesce.c (create_outofssa_var_map): Use has_single_use
863         instead of single_imm_use_p.
864         * tree-cfg.c (replace_uses_by): Use has_zero_use instead of
865         zero_imm_uses_p.
866
867 2007-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
868
869         PR other/27843
870         * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid
871         nested double- and backquotes.
872
873 2007-02-15  Roger Sayle  <roger@eyesopen.com>
874
875         PR middle-end/30391
876         * tree.c (expr_align): Handle MODIFY_EXPR.  GIMPLE_MODIFY_STMT
877         should be unreachable.
878         (build2_stat): Allow construction of MODIFY_EXPR at any time.
879         For the time being redirect GIMPLE_MODIFY_STMT to the new
880         (renamed) build_gimple_modify_stmt_stat.
881         (build2_gimple_stat): Rename to...
882         (build_gimple_modify_stmt_stat): Now longer take a CODE argument.
883         Always build a GIMPLE_MODIFY_STMT node.
884         * tree.h (build2_gimple, build2_gimple_stat): Delete.
885         (build_gimple_modify_stmt, build_gimple_modify_stmt_stat): New
886         declarations.
887
888         * tree-cfg.c (factor_computed_gotos, tree_merge_blocks,
889         gimplify_val): Use build_gimple_modify_stmt instead of build2_gimple.
890         * tree-complex.c (set_component_ssa_name, expand_complex_move,
891         expand_complex_div_wide): Likewise.
892         * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
893         * tree-ssa-loop-im.c (schedule_sm): Likewise.
894         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Likewise.
895         * tree-ssa-loop-manip.c (create_iv): Likewise.
896         * tree-ssa-phiopt.c (conditional_replacement, minmax_replacement,
897         abs_replacement): Likewise.
898         * tree-ssa-pre.c (create_expression_by_pieces, poolify_modify_stmt,
899         realify_fake_stores): Likewise.
900
901         * builtins.c (std_expand_builtin_va_start): Build a MODIFY_EXPR
902         node rather than a GIMPLE_MODIFY_STMT node.
903         (std_gimpify_va_arg_expr, expand_builtin_va_copy,
904         fold_builtin_memset, fold_builtin_memory_op, do_mpfr_sincos):
905         Likewise.
906         (integer_valued_real_p): Handle MODIFY_EXPR, not GIMPLE_MODIFY_STMT.
907         * expr.c (expand_expr_real_1): Handle both MODIFY_EXPR and
908         GIMPLE_MODIFY_STMT.
909
910 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
911
912         PR middle-end/30433
913         * fold-const.c (fold_comparison): Add back the
914         folding of constant complex comparisions.
915
916 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
917
918         PR middle-end/30729
919         * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
920         effects unknown to this function, return early.
921
922 2007-02-15  Ian Lance Taylor  <iant@google.com>
923
924         * lower-subreg.c (move_eh_region_note): New static function.
925         (resolve_simple_move): Call it.
926         (decompose_multiword_subregs): Track blocks for which we resolve a
927         simple move which is also a control flow insn.  Pass them to
928         find_many_sub_basic_blocks.
929         (pass_lower_subreg): Add TODO_verify_flow.
930         (pass_lower_subreg2): Likewise.
931
932 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
933             Brooks Moses  <brooks.moses@codesourcery.com>
934             Lee Millward  <lee.millward@codesourcery.com>
935
936         * tree.h (enum tree_code_class): Add tcc_vl_exp.
937         (VL_EXP_CLASS_P): New.
938         (TREE_OPERAND_CHECK): Use TREE_OPERAND_LENGTH instead of
939         TREE_CODE_LENGTH.
940         (TREE_OPERAND_CHECK_CODE): Likewise.
941         (GIMPLE_STMT_OPERAND_CHECK): Likewise.
942         (TREE_RTL_OPERAND_CHECK): Likewise.
943         (tree_operand_check_failed): Make second parameter the whole tree
944         instead of its code.  Fixed callers.
945         (VL_EXP_CHECK): New.
946         (TREE_OPERAND_LENGTH): New.
947         (VL_EXP_OPERAND_LENGTH): New.
948         (CALL_EXPR_FN): New.
949         (CALL_EXPR_STATIC_CHAIN): New.
950         (CALL_EXPR_ARGS): New.
951         (CALL_EXPR_ARG): New.
952         (call_expr_nargs): New.
953         (CALL_EXPR_ARGP): New.
954         (build_nt_call_list): Declare.
955         (build_vl_exp_stat): Declare.
956         (build_vl_exp): New.
957         (build_call_list): Declare.
958         (build_call_nary): Declare.
959         (build_call_valist): Declare.
960         (build_call_array): Declare.
961         (call_expr_arg): Declare.
962         (call_expr_argp): Declare.
963         (call_expr_arglist): Declare.
964         (fold_build_call_list): Declare.
965         (fold_build_call_list_initializer): Declare.
966         (fold_call_expr): Declare to replace fold_builtin.
967         (fold_builtin_fputs): Update to agree with modified definition.
968         (fold_builtin_strcpy): Likewise.
969         (fold_builtin_strncpy): Likewise.
970         (fold_builtin_memory_chk): Likewise.
971         (fold_builtin_stxcpy_chk): Likewise.
972         (fold_builtin_strncpy_chk): Likewise.
973         (fold_builtin_next_arg): Likewise.
974         (fold_build_call_expr): Declare.
975         (fold_builtin_call_list): Declare.
976         (fold_builtin_call_valist): Declare.
977         (build_call_expr): Declare.
978         (validate_arglist): Update to agree with modified definition.
979         (tree_operand_length): New.
980         (call_expr_arg_iterator): New.
981         (init_call_expr_arg_iterator): New.
982         (next_call_expr_arg): New.
983         (first_call_expr_arg): New.
984         (more_call_expr_args_p): New.
985         (FOR_EACH_CALL_EXPR_ARG): New.
986
987         * tree.c (tree_code_class_string): Add entries for tcc_vl_exp
988         and tcc_gimple_stmt.
989         (tree_code_size): Update documentation.  Use sizeof (tree) rather
990         than sizeof (char *).
991         (tree_size): Likewise.  Add case for tcc_vl_exp.
992         (tree_node_structure): Add case for tcc_vl_exp.
993         (contains_placeholder_p): Likewise.
994         (substitute_in_expr): Likewise.
995         (substitute_placeholder_in_expr): Likewise.
996         (stabilize_reference_1): Likewise.
997         (build3_stat): Remove logic for CALL_EXPRs.  Replace with assertion
998         to diagnose breakage of this interface for constructing CALL_EXPRs.
999         (build_nt): Add similar assertion here.
1000         (build_nt_call_list): New.
1001         (simple_cst_equal) <CALL_EXPR>: Rewrite to use new accessors.
1002         (iterative_hash_expr): Use TREE_OPERAND_LENGTH instead of
1003         TREE_CODE_LENGTH.
1004         (get_callee_fndecl): Use new CALL_EXPR accessors.
1005         (tree_operand_check_failed): Change parameters to pass entire node
1006         instead of its code, so that we can call TREE_OPERAND_LENGTH on it.
1007         (process_call_operands): New.
1008         (build_vl_exp_stat): New.
1009         (build_call_list): New.
1010         (build_call_nary): New.
1011         (build_call_valist): New.
1012         (build_call_array): New.
1013         (walk_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1014         (call_expr_arglist): New.
1015
1016         * tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use
1017         tcc_vl_exp instead of a fixed-size tcc_expression.
1018
1019         * doc/c-tree.texi (CALL_EXPR): Document new representation and
1020         accessors for CALL_EXPRs.
1021         (AGGR_INIT_EXPR): Likewise.
1022
1023 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
1024             Brooks Moses  <brooks.moses@codesourcery.com>
1025             Lee Millward  <lee.millward@codesourcery.com>
1026
1027         * builtins.c (c_strlen): Return NULL_TREE instead of 0.
1028         (expand_builtin_nonlocal_goto): Change parameter to be entire
1029         CALL_EXPR instead of an arglist.  Use new CALL_EXPR accessors.
1030         (expand_builtin_prefetch): Likewise.
1031         (expand_builtin_classify_type): Likewise.
1032         (mathfn_built_in): Return NULL_TREE instead of 0.
1033         (expand_errno_check): Use new CALL_EXPR accessors.
1034         (expand_builtin_mathfn): Use new CALL_EXPR accessors and constructors.
1035         Return NULL_RTX instead of 0.
1036         (expand_builtin_mathfn_2): Likewise.
1037         (expand_builtin_mathfn_3): Likewise.
1038         (expand_builtin_interclass_mathfn): Likewise.
1039         (expand_builtin_sincos): Likewise.
1040         (expand_builtin_cexpi): Likewise.
1041         (expand_builtin_int_roundingfn): Likewise.
1042         (expand_builtin_int_roundingfn_2): Likewise.
1043         (expand_builtin_pow): Likewise.
1044         (expand_builtin_powi): Likewise.
1045         (expand_builtin_strlen): Pass entire CALL_EXPR as parameter instead
1046         of arglist, fixing callers appropriately.  Use new CALL_EXPR
1047         accessors and constructors.  Return NULL_RTX instead of 0.
1048         (expand_builtin_strstr): Likewise.
1049         (expand_builtin_strchr): Likewise.
1050         (expand_builtin_strrchr): Likewise.
1051         (expand_builtin_strpbrk): Likewise.
1052         (expand_builtin_memcpy): Likewise.
1053         (expand_builtin_mempcpy): Likewise.
1054         (expand_builtin_mempcpy_args): New.
1055         (expand_builtin_memmove): Similarly to expand_builtin_mempcpy.
1056         (expand_builtin_memmove_args): New.
1057         (expand_builtin_bcopy): Similarly to expand_builtin_mempcpy.
1058         (expand_movstr): Likewise.
1059         (expand_builtin_strcpy): Likewise.
1060         (expand_builtin_strcpy_args): New.
1061         (expand_builtin_stpcpy): Similarly to expand_builtin_strcpy.
1062         (expand_builtin_strncpy): Likewise.
1063         (expand_builtin_memset): Likewise.
1064         (expand_builtin_memset_args): New.
1065         (expand_builtin_bzero): Similarly to expand_builtin_memset.
1066         (expand_builtin_memcmp): Likewise.
1067         (expand_builtin_strcmp): Likewise.
1068         (expand_builtin_strncmp): Likewise.
1069         (expand_builtin_strcat): Likewise.
1070         (expand_builtin_strncat): Likewise.
1071         (expand_builtin_strspn): Likewise.
1072         (expand_builtin_strcspn): Likewise.
1073         (expand_builtin_args_info): Likewise.
1074         (expand_builtin_va_start): Likewise.
1075         (gimplify_va_arg_expr): Likewise.
1076         (expand_builtin_va_end): Likewise.
1077         (expand_builtin_va_copy): Likewise.
1078         (expand_builtin_frame_address): Likewise.
1079         (expand_builtin_alloca): Likewise.
1080         (expand_builtin_bswap): Likewise.
1081         (expand_builtin_unop): Likewise.
1082         (expand_builtin_fputs): Likewise.
1083         (expand_builtin_expect): Likewise.
1084         (expand_builtin_fabs): Likewise.
1085         (expand_builtin_copysign): Likewise.
1086         (expand_builtin_printf): Likewise.
1087         (expand_builtin_fprintf): Likewise.
1088         (expand_builtin_sprintf): Likewise.
1089         (expand_builtin_init_trampoline): Likewise.
1090         (expand_builtin_signbit): Likewise.
1091         (expand_builtin_fork_or_exec): Likewise.
1092         (expand_builtin_sync_operation): Likewise.
1093         (expand_builtin_compare_and_swap): Likewise.
1094         (expand_builtin_lock_test_and_set): Likewise.
1095         (expand_builtin_lock_release): Likewise.
1096         (expand_builtin): Likewise.
1097         (builtin_mathfn_code): Likewise.
1098
1099         (fold_builtin_constant_p): Pass call arguments individually instead
1100         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
1101         accessors and constructors.  Return NULL_TREE instead of 0.
1102         (fold_builtin_expect): Likewise.
1103         (fold_builtin_classify_type): Likewise.
1104         (fold_builtin_strlen): Likewise.
1105         (fold_builtin_nan): Likewise.
1106         (integer_valued_real_p): Likewise.
1107         (fold_trunc_transparent_mathfn): Likewise.
1108         (fold_fixed_mathfn): Likewise.
1109         (fold_builtin_cabs): Likewise.
1110         (fold_builtin_sqrt): Likewise.
1111         (fold_builtin_cbrt): Likewise.
1112         (fold_builtin_cos): Likewise.
1113         (fold_builtin_cosh): Likewise.
1114         (fold_builtin_tan): Likewise.
1115         (fold_builtin_sincos): Likewise.
1116         (fold_builtin_cexp): Likewise.
1117         (fold_builtin_trunc): Likewise.
1118         (fold_builtin_floor): Likewise.
1119         (fold_builtin_ceil): Likewise.
1120         (fold_builtin_round): Likewise.
1121         (fold_builtin_int_roundingfn): Likewise.
1122         (fold_builtin_bitop): Likewise.
1123         (fold_builtin_bswap): Likewise.
1124         (fold_builtin_logarithm): Likewise.
1125         (fold_builtin_hypot): Likewise.
1126         (fold_builtin_pow): Likewise.
1127         (fold_builtin_powi): Likewise.
1128         (fold_builtin_exponent): Likewise.
1129         (fold_builtin_memset): Likewise.
1130         (fold_builtin_bzero): Likewise.
1131         (fold_builtin_memory_op): Likewise.
1132         (fold_builtin_bcopy): Deleted; call site changed to invoke
1133         fold_builtin_memory_op directly.
1134         (fold_builtin_strcpy): Similarly as for fold_builtin_memory_op.
1135         (fold_builtin_strncpy): Likewise.
1136         (fold_builtin_memcmp): Likewise.
1137         (fold_builtin_strcmp): Likewise.
1138         (fold_builtin_strncmp): Likewise.
1139         (fold_builtin_signbit): Likewise.
1140         (fold_builtin_copysign): Likewise.
1141         (fold_builtin_isascii): Likewise.
1142         (fold_builtin_toascii): Likewise.
1143         (fold_builtin_isdigit): Likewise.
1144         (fold_builtin_fabs): Likewise.
1145         (fold_builtin_abs): Likewise.
1146         (fold_builtin_fmin_fmax): Likewise.
1147         (fold_builtin_carg): Likewise.
1148         (fold_builtin_classify): Likewise.
1149         (fold_builtin_unordered_cmp): Likewise.
1150
1151         (fold_builtin_0, fold_builtin_2, fold_builtin_3, fold_builtin_4):
1152         New functions split out from fold_builtin_1.
1153         (fold_builtin_n): New.
1154         (fold_builtin_varargs): New.
1155         (fold_builtin): Deleted.  Most callers changed to use fold_call_expr
1156         instead.
1157         (fold_call_expr): New.
1158         (build_function_call_expr): Rewrite to use new helper function.
1159         (fold_builtin_call_list): New.
1160         (build_call_expr): New.
1161         (fold_builtin_call_valist): New.
1162         (rewrite_call_expr): New.
1163         (validate_arg): New.
1164         (validate_arglist): Change parameter to be entire CALL_EXPR instead
1165         of an arglist.  Change return type to bool.  Use new CALL_EXPR
1166         accessors.
1167
1168         (fold_builtin_strstr):  Pass call arguments individually instead
1169         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
1170         accessors and constructors.  Return NULL_TREE instead of 0.
1171         (fold_builtin_strchr): Likewise.
1172         (fold_builtin_strrchr): Likewise.
1173         (fold_builtin_strpbrk): Likewise.
1174         (fold_builtin_strcat): Likewise.
1175         (fold_builtin_strncat): Likewise.
1176         (fold_builtin_strspn): Likewise.
1177         (fold_builtin_strcspn): Likewise.
1178         (fold_builtin_fputs): Likewise.
1179         (fold_builtin_next_arg): Likewise.
1180         (fold_builtin_sprintf): Likewise.
1181
1182         (expand_builtin_object_size): Use new CALL_EXPR accessors.  Use
1183         NULL_RTX instead of 0.
1184         (expand_builtin_memory_chk): Likewise.
1185         (maybe_emit_chk_warning): Likewise.
1186         (maybe_emit_sprintf_chk_warning): Likewise.
1187
1188         (fold_builtin_object_size): Pass call arguments individually instead
1189         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
1190         accessors and constructors.  Return NULL_TREE instead of 0.
1191         (fold_builtin_memory_chk): Likewise.
1192         (fold_builtin_stxcpy_chk): Likewise.
1193         (fold_builtin_strncpy_chk): Likewise.
1194         (fold_builtin_strcat_chk): Likewise.
1195         (fold_builtin_strcat_chk): Likewise.
1196         (fold_builtin_strncat_chk): Likewise.
1197         (fold_builtin_sprintf_chk): Likewise.
1198         (fold_builtin_snprintf_chk): Likewise.
1199         (fold_builtin_printf): Likewise.
1200         (fold_builtin_vprintf): Likewise.
1201
1202         * fold-const.c (negate_expr_p): Use new CALL_EXPR accessors and
1203         constructors.
1204         (operand_equal_p): Add separate tcc_vl_exp/CALL_EXPR case.
1205         (make_range): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1206         (extract_muldiv_1): Add VL_EXP_CLASS_P case.
1207         (fold_mathfn_compare): Use new CALL_EXPR accessors and constructors.
1208         (fold_unary): Likewise.
1209         (fold_binary): Likewise.
1210         (fold_ternary): Remove CALL_EXPR case, since they are no longer
1211         ternary expressions.
1212         (fold): Add logic for tcc_vl_exp.
1213         (fold_checksum_tree):  Make it know about tcc_vl_exp.  Use
1214         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1215         (fold_build3_stat): Add assertion to flag broken interface for
1216         constructing CALL_EXPRs.
1217         (fold_build_call_list): New.
1218         (fold_build_call_list_initializer): New.
1219         (tree_expr_nonnegative_p): Use new CALL_EXPR accessors and
1220         constructors.
1221         (fold_strip_sign_ops): Likewise.
1222
1223 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
1224             Brooks Moses  <brooks.moses@codesourcery.com>
1225             Lee Millward  <lee.millward@codesourcery.com>
1226
1227         * tree-dump.c (dequeue_and_dump) <CALL_EXPR>: Use new CALL_EXPR
1228         accessors and dump arguments explicitly.
1229
1230         * tree-pretty-print.c (do_niy): Use TREE_OPERAND_LENGTH instead of
1231         TREE_CODE_LENGTH.
1232         (dump_generic_node): Use new CALL_EXPR accessors and walk arguments
1233         explicitly.
1234         (print_call_name): Use new CALL_EXPR accessors.
1235
1236         * print-tree.c (print_node): Add case tcc_vl_exp.  Print
1237         CALL_EXPR arguments explicitly instead of as a list.  Use
1238         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1239
1240         * tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors.
1241         (vrp_visit_stmt): Likewise.
1242
1243         * tree-ssa-loop-im.c (outermost_invariant_loop_expr):  Make it
1244         know about tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of
1245         TREE_CODE_LENGTH.
1246         (force_move_till_expr): Likewise.
1247
1248         * targhooks.c (default_external_stack_protect_fail): Use
1249         build_call_expr instead of build_function_call_expr.
1250         (default_hidden_stack_protect_fail): Likewise.
1251
1252         * tree-complex.c (expand_complex_libcall): Use build_call_expr to
1253         build the call.
1254
1255         * cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors
1256         and walk arguments explicitly.
1257
1258         * tree-ssa-loop-niter.c (simplify_replace_tree): Use
1259         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1260         (expand_simple_operations): Likewise.
1261         (infer_loop_bounds_from_array): Use new CALL_EXPR accessors.
1262
1263         * gengtype.c (adjust_field_tree_exp): Use TREE_OPERAND_LENGTH instead
1264         of TREE_CODE_LENGTH.
1265         (walk_type): Tweak walking of arrays not to blow up on CALL_EXPRs.
1266
1267         * optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH
1268         instead of TREE_CODE_LENGTH.
1269
1270         * value_prof.c (tree_ic): Use new CALL_EXPR accessors.
1271         (tree_ic_transform): Likewise.
1272         (interesting_stringop_to_profile_p): Pass entire CALL_EXPR as
1273         parameter instead of arglist.  Fix callers.
1274         (tree_stringop_fixed_value): Use new CALL_EXPR accessors.
1275         (tree_stringops_transform): Likewise.
1276         (tree_indirect_call_to_profile): Likewise.
1277         (tree_stringops_values_to_profile): Likewise.
1278
1279         * tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator.
1280         (eliminate_tail_call): Likewise.
1281
1282         * ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors.
1283
1284         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
1285         Use TREE_OPERAND_LENGTH and generalize to handle any number of
1286         operands.
1287         (instantiate_parameters_1): Can't handle tcc_vl_exp here.
1288
1289         * omp-low.c (build_omp_barrier): Use build_call_expr.
1290         (lower_rec_input_clauses): Likewise.
1291         (lower_reduction_clauses): Likewise.
1292         (expand_parallel_call): Likewise.
1293         (maybe_catch_exception): Likewise.
1294         (expand_omp_for_generic): Likewise.
1295         (expand_omp_for_static_nochunk): Likewise.
1296         (expand_omp_sections): Likewise.
1297         (lower_omp_single_simple): Likewise.
1298         (lower_omp_single_copy): Likewise.
1299         (lower_omp_master): Likewise.
1300         (lower_omp_ordered): Likewise.
1301         (lower_omp_critical): Likewise.
1302
1303         * ipa-reference.c (check-call): Use new CALL_EXPR iterator.
1304         (scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR.
1305
1306         * tree-gimple.c (is_gimple_call_addr): Fix doc.
1307         (recalculate_side_effects): Use TREE_OPERAND_LENGTH instead of
1308         TREE_CODE_LENGTH.  Add tcc_vl_exp case.
1309
1310         * tree-chrec.c (chrec_contains_symbols): Use TREE_OPERAND_LENGTH
1311         and generalize to handle any number of operands.
1312         (chrec_contains_undetermined): Likewise.
1313         (tree_contains_chrecs): Likewise.
1314         (evolution_function_is_invariant_rec_p): Use TREE_OPERAND_LENGTH.
1315
1316         * cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors.
1317
1318         * tree-ssa-ccp.c (ccp_fold): Use new CALL_EXPR accessors.  Use
1319         fold_call_expr instead of fold_builtin.
1320         (ccp_fold_builtin): Likewise.  Update calls into builtins.c to
1321         match declarations there.
1322         (fold_stmt): Use new CALL_EXPR constructor and accessors.  Doc
1323         updates.
1324
1325         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use
1326         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1327
1328         * ipa-pure-const.c (check_call): Use new CALL_EXPR accessors.
1329         (scan_function): Add case tcc_vl_exp for CALL_EXPR.
1330
1331         * tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR
1332         accessors.
1333
1334         * tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr.
1335         (execute_cse_sincos): Use new CALL_EXPR accessors.
1336
1337         * tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator.
1338
1339         * gimple-low.c (lower_function_body): Use build_call_expr.
1340         (lower_builtin_setjmp): Likewise.
1341
1342         * expr.c (emit_block_move_via_libcall): Use build_call_expr.
1343         (set_storage_via_libcall): Likewise.
1344         (safe_from_p): Add tcc_vl_exp case.  Use TREE_OPERAND_LENGTH
1345         instead of TREE_CODE_LENGTH.
1346         (expand_expr_real_1): Use new CALL_EXPR accessors.
1347
1348         * tree-browser.c (store_child_info): Use TREE_OPERAND_LENGTH and
1349         generalize to handle any number of operands.
1350         (TB_parent_eq): Likewise.
1351
1352         * predict.c (expr_expected_value): Use new CALL_EXPR accessors.
1353         (strip_builtin_expect): Likewise.
1354
1355         * function.c (gimplify_parameters): Use build_call_expr.
1356
1357         * tree-vectorizer.c (vect_is_simple_reduction): Use TREE_OPERAND_LENGTH
1358         instead of TREE_CODE_LENGTH.
1359
1360         * ipa-type-escape.c (check_call): Use new CALL_EXPR iterators.
1361         (scan_for_refs): Add case tcc_vl_exp for CALL_EXPR.
1362
1363         * tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR
1364         iterators.
1365
1366         * gimplify.c (build_stack_save_restore): Use build_call_expr.
1367         (gimplify_decl_expr): Likewise.
1368         (gimplify_call_expr): Use fold_call_expr instead of fold_builtin.
1369         Use new CALL_EXPR iterators.
1370         (gimplify_modify_expr_to_memcpy): Use build_call_expr.
1371         (gimplify_modify_expr_to_memset): Likewise.
1372         (gimplify_variable_sized_compare): Likewise.
1373         (gimplify_omp_atomic_fetch_op): Likewise.
1374         (gimplify_omp_atomic_pipeline): Likewise.
1375         (gimplify_omp_atomic_mutex): Likewise.
1376         (gimplify_function_tree): Likewise.
1377
1378         * calls.c (alloca_call_p): Use new CALL_EXPR accessors.
1379         (call_expr_flags): Likewise.
1380         (expand_call): Likewise.
1381
1382         * except.c (expand_builtin_eh_return_data_regno): Pass entire
1383         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
1384         accessors.
1385
1386         * coverage.c (create_coverage): Use build_call_expr.
1387
1388         * tree-ssa-pre.c (expression_node_pool, list_node_pool): Delete.
1389         (temp_call_expr_obstack): New.
1390         (pool_copy_list): Delete.
1391         (temp_copy_call_expr): New.
1392         (phi_translate): Add case tcc_vl_exp for CALL_EXPR.  Use new
1393         CALL_EXPR accessors.  Get rid of special goo for copying argument
1394         lists and use temp_copy_call_expr instead.
1395         (valid_in_sets): Add case tcc_vl_exp for CALL_EXPR.  Use new
1396         CALL_EXPR accessors.
1397         (create_expression_by_pieces): Likewise.  Use build_call_array
1398         to construct the result instead of fold_build3.
1399         (create_value_expr_from): Add tcc_vl_exp.  Delete special goo for
1400         dealing with argument lists.
1401         (init_pre): Remove references to expression_node_pool and
1402         list_node_pool.  Init temp_call_expr_obstack instead.
1403         (fini_pre): Remove references to expression_node_pool and
1404         list_node_pool.
1405
1406         * tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors
1407         and walk arguments explicitly instead of as a list.
1408
1409         * tree-mudflap.c (mf_build_check_statement_for): Use build_call_expr.
1410         (mx_register_decls): Likewise.
1411         (mudflap_register_call): Likewise.
1412         (mudflap_finish_file): Likewise.
1413
1414         * ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors.
1415         (ipa_callsite_compute_param): Likewise.
1416
1417         * tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR
1418         accessors and constructor.
1419
1420         * tree-nested.c (convert_nl_goto_reference): Use new CALL_EXPR
1421         accessors and constructor.
1422         (convert_tramp_reference): Likewise.
1423         (convert_call_expr): Likewise.
1424         (finalize_nesting_tree_1): Likewise.
1425
1426         * tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR
1427         accessors.
1428
1429         * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr.
1430
1431         * tree-inline.c (initialize_inlined_parameters): Pass entire
1432         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
1433         accessors.
1434         (estimate_num_insns_1): Use new CALL_EXPR accessors.
1435         (expand_call_inline): Tidy up call to initialize_inlined_parameters.
1436
1437         * tree-vect-transform.c (vect_create_epilog_for_reduction):  Use
1438         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1439         (vectorizable_reduction): Likewise.
1440         (vectorizable_call): Use new CALL_EXPR iterators.
1441         (vectorizable_conversion): Use build_call_expr.
1442         (vectorizable_operation): Use TREE_OPERAND_LENGTH.
1443         (vect_gen_widened_results_half): Use build_call_expr.
1444         (vect_setup_realignment): Likewise.
1445         (vectorizable_live_operation): Use TREE_OPERAND_LENGTH.
1446
1447         * tree-object-size.c (alloc_object_size): Use new CALL_EXPR accessors.
1448         (pass_through_call): Likewise.
1449         (compute_object_sizes): Likewise.  Use fold_call_expr instead of
1450         fold_builtin.
1451
1452         * tree-profile.c (tree_gen_interval_profiler): Use build_call_expr.
1453         (tree_gen_pow2_profiler): Likewise.
1454         (tree_gen_one_value_profiler): Likewise.
1455         (tree_gen_ic_func_profiler): Likewise.
1456         (tree_gen_average_profiler): Likewise.
1457         (tree_gen_ior_profiler): Likewise.
1458
1459         * tree-ssa-structalias.c (get_constraint_for): Add case tcc_vl_exp.
1460         (find_func_aliases): Use new CALL_EXPR accessors.  Add case
1461         tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1462
1463         * tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead
1464         of TREE_CODE_LENGTH.
1465
1466         * stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead
1467         of TREE_CODE_LENGTH.
1468
1469         * convert.c (convert_to_real): Use new CALL_EXPR accessors and
1470         constructor.
1471         (convert_to_integer): Likewise.
1472
1473         * tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR
1474         accessors.
1475
1476 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
1477             Brooks Moses  <brooks.moses@codesourcery.com>
1478             Lee Millward  <lee.millward@codesourcery.com>
1479
1480         * config/alpha/alpha.c (alpha_expand_builtin): Use new CALL_EXPR
1481         accessors.
1482         * config/frv/frv.c (frv_expand_builtin): Likewise.
1483         * config/s390/s390.c (s390_expand_builtin): Likewise.
1484
1485         * config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr.
1486         (sparc_expand_builtin): Use new CALL_EXPR accessors.
1487
1488         * config/i386/i386.c (ix86_function_ok_for_sibcall): Likewise.
1489         (ix86_expand_binop_builtin): Pass entire CALL_EXPR as parameter
1490         instead of arglist.  Use new CALL_EXPR accessors on it.  Fix callers.
1491         (ix86_expand_store_builtin): Likewise.
1492         (ix86_expand_unop_builtin): Likewise.
1493         (ix86_expand_unop1_builtin): Likewise.
1494         (ix86_expand_sse_compare): Likewise.
1495         (ix86_expand_sse_comi): Likewise.
1496         (ix86_expand_vec_init_builtin): Likewise.
1497         (ix86_expand_vec_ext_builtin): Likewise.
1498         (ix86_expand_vec_set_builtin): Likewise.
1499         (ix86_expand_builtin): Use new CALL_EXPR accessors.
1500
1501         * config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors.
1502         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
1503
1504         * config/iq2000/iq2000.c (expand_one_builtin): Pass entire CALL_EXPR
1505         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
1506         (iq2000_expand_builtin): Use new CALL_EXPR accessors.
1507
1508         * config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Use
1509         build_call_expr.
1510         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
1511         (rs6000_expand_unop_builtin): Pass entire CALL_EXPR instead of
1512         arglist.  Use new CALL_EXPR accessors.  Fix callers.
1513         (altivec_expand_abs_builtin): Likewise.
1514         (rs6000_expand_binop_builtin): Likewise.
1515         (altivec_expand_predicate_builtin): Likewise.
1516         (altivec_expand_lv_builtin): Likewise.
1517         (spe_expand_stv_builtin): Likewise.
1518         (altivec_expand_stv_builtin): Likewise.
1519         (rs6000_expand_ternop_builtin): Likewise.
1520         (altivec_expand_ld_builtin): Use new CALL_EXPR accessors.
1521         (altivec_expand_st_builtin): Likewise.
1522         (altivec_expand_dst_builtin): Likewise.
1523         (altivec_expand_vec_init_builtin): Pass entire CALL_EXPR instead of
1524         arglist.  Use new CALL_EXPR accessors.  Fix callers.
1525         (altivec_expand_vec_set_builtin): Likewise.
1526         (altivec_expand_vec_ext_builtin): Likewise.
1527         (altivec_expand_builtin): Use new CALL_EXPR accessors.
1528         (spe_expand_builtin): Likewise.
1529         (spe_expand_predicate_builtin): Pass entire CALL_EXPR instead of
1530         arglist.  Use new CALL_EXPR accessors.  Fix callers.
1531         (spe_expand_evsel_builtin): Likewise.
1532         (rs6000_expand_builtin): Use new CALL_EXPR accessors.  VCFUX and
1533         FCFSX cases must construct whole new CALL_EXPR, not just arglist.
1534
1535         * config/arm/arm.c (arm_expand_binop_builtin): Pass entire CALL_EXPR
1536         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
1537         (arm_expand_unop_builtin): Likewise.
1538         (arm_expand_builtin): Use new CALL_EXPR accessors.
1539
1540         * config/mips/mips.c (mips_expand_builtin):  Use new CALL_EXPR
1541         accessors.
1542
1543         * config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire CALL_EXPR
1544         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
1545         (bfin_expand_unop_builtin): Likewise.
1546         (bfin_expand_builtin): Use new CALL_EXPR accessors.
1547
1548 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
1549             Brooks Moses  <brooks.moses@codesourcery.com>
1550             Lee Millward  <lee.millward@codesourcery.com>
1551
1552         * c-semantics.c (build_stmt): Add internal diagnostic check.
1553
1554         * c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR
1555         accessors.  Print arguments explicitly instead of as a list.
1556
1557         * c-typeck.c (build_function_call): Use new CALL_EXPR constructors.
1558
1559         * c-omp.c (c_finish_omp_barrier): Use build_call_expr.
1560         (c_finish_omp_flish): Likewise.
1561
1562         * c-common.c (verify_tree): Use new CALL_EXPR accessors.  Traverse
1563         arguments explicitly instead of as a list.  Use TREE_OPERAND_LENGTH
1564         instead of TREE_CODE_LENGTH.
1565         (check_function_arguments_recurse): Use new CALL_EXPR accessors.
1566         (c_warn_unused_result): Likewise.
1567
1568 2007-02-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1569
1570         PR c/26494
1571         * doc/invoke.texi (Warning Options): Remove
1572         -Werror-implicit-function-declaration.
1573         (Wimplicit-function-declaration): Update description.
1574         * opts.c (common_handle_option): Move handling of -Werror=* to...
1575         (enable_warning_as_error): ...here.
1576         * opts.h (enable_warning_as_error): Declare.
1577         * c-decl.c (implicit_decl_warning): Unless
1578         -Wno-implicit-function-declaration is given, emit a pedwarn if
1579         -std=c99 or emit a warning if -Wimplicit-function-declaration.
1580         * c.opt (Wimplicit-function-declaration): Replace
1581         mesg_implicit_function_declaration with
1582         warn_implicit_function_declaration.
1583         * c-opts.c (c_common_handle_option):
1584         -Werror-implicit-function-declaration is exactly equal as
1585         -Werror=implicit-function-declaration.
1586         (set_Wimplicit): Replace mesg_implicit_function_declaration with
1587         warn_implicit_function_declaration.
1588         (c_common_post_options): -Wimplict-function-declaration is enabled
1589         by default by -std=c99, otherwise is disabled by default.
1590         * c-objc-common.c (c_objc_common_init): Remove flawed logic.
1591
1592 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
1593
1594         * gimplify.c (gimplify_modify_expr): During gimplification, attach a
1595         DECL on the rhs to a DECL on the lhs for debug info purposes if the
1596         former is ignored but not the latter.
1597
1598 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
1599
1600         * expr.c (expand_expr_real_1) <normal_inner_ref>: If a temporary
1601         is made and the reference doesn't use the alias set of its type,
1602         do not create the temporary using that type.
1603
1604 2007-02-15  Aldy Hernandez  <aldyh@redhat.com>
1605
1606         * jump.c: Remove prototypes for delete_computation and
1607         delete_prior_computation.
1608
1609 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
1610
1611         * jump.c (get_label_after): Delete.
1612         (get_label_before, delete_computation, delete_jump,
1613         delete_prior_computation, follow_jumps): Move...
1614         * reorg.c (delete_computation, delete_prior_computation): ... here...
1615         (get_label_before, delete_jump): ... making these static ...
1616         (follow_jumps): ... and simplifying this since it only runs after
1617         reload.
1618         * rtl.h (get_label_after, get_label_before, delete_jump,
1619         follow_jumps): Delete prototypes.
1620
1621 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
1622
1623         * caller-save.c (save_call_clobbered_regs): Do not process sibcalls.
1624
1625 2007-02-15  Nick Clifton  <nickc@redhat.com>
1626
1627         * varasm.c (default_asm_output_anchor): Prepend * to . symbol in
1628         order to prevent it from being munged by the target.
1629
1630 2007-02-15  Uros Bizjak  <ubizjak@gmail.com>
1631
1632         * config/i386/i386.md: Remove misleading comment.
1633
1634 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1635
1636         * config/frv/frv.md (reload_incc, reload_outcc, reload_incc_uns,
1637         reload_outcc_uns, reload_incc_nz, reload_outcc_nz): Remove
1638         invalid patterns.
1639
1640 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1641
1642         * tree-sra.c (instantiate_missing_elements): Canonicalize
1643         bit-field types.
1644         (sra_build_assignment): New.
1645         (generate_copy_inout, generate_element_copy,
1646         generate_element_zero, generate_one_element_init): Use it.
1647
1648 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1649
1650         * tree-sra.c (instantiate_missing_elements): Canonicalize
1651         bit-field types.
1652         (sra_build_assignment): New.
1653         (generate_copy_inout, generate_element_copy,
1654         generate_element_zero, generate_one_element_init): Use it.
1655
1656 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1657
1658         * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
1659         limbo die nodes.
1660
1661 2007-02-14  Joseph Myers  <joseph@codesourcery.com>
1662
1663         * emit-rtl.c (set_mem_attributes_minus_bitpos): Treat complex
1664         types as aggregates not scalars.
1665         * function.c (assign_stack_temp_for_type): Likewise.
1666
1667 2007-02-14  Roger Sayle  <roger@eyesopen.com>
1668             Zdenek Dvorak  <dvorakz@suse.cz>
1669
1670         * tree-dump.c (dump_switch_p_1): Require exact match of the option
1671         name.
1672
1673 2007-02-14  Zdenek Dvorak  <dvorakz@suse.cz>
1674
1675         * passes.c (next_pass_1): Clear the next field of the copied
1676         pass structure.
1677
1678 2007-02-14  Richard Henderson  <rth@redhat.com>
1679
1680         * tree-sra.c (early_sra): New.
1681         (decl_can_be_decomposed_p): Deny va_list if early_sra.
1682         (tree_sra_early, pass_sra_early): New.
1683         * tree-pass.h (pass_sra_early): Declare.
1684         * passes.c (init_optimization_passes): Use it.
1685
1686 2007-02-14  Richard Guenther  <rguenther@suse.de>
1687
1688         * flags.h (issue_strict_overflow_warning): Convert to a macro.
1689
1690 2007-02-14  Dorit Nuzman  <dorit@il.ibm.com>
1691
1692          PR tree-optimization/30771
1693         * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse
1694         also phi nodes.
1695         (vect_analyze_operations): Induction phis can now be marked as
1696         used_in_loop.
1697         (vect_mark_stmts_to_be_vectorized): No special treatment for phis.
1698         Update documentation accordingly.
1699
1700 2007-02-14  Nick Clifton  <nickc@redhat.com>
1701
1702         * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at
1703         most 3 arguments are supported.
1704         (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description.
1705
1706 2007-02-13  Seongbae Park <seongbae.park@gmail.com>
1707
1708         * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor):
1709         Ensure dst->current is valid.
1710
1711 2007-02-13  Paul Brook  <paul@codesourcery.com>
1712
1713         * config.gcc: Add arm*-*-uclinux-*eabi.
1714         * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define.
1715         (SUBTARGET_EXTRA_LINK_SPEC): Define.
1716         (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling.
1717         (LINK_GCC_C_SEQUENCE_SPEC): Undef.
1718         (LINK_SPEC): Define.
1719         (LIB_SPEC): Define.
1720         * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC
1721         register.
1722         * config/arm/uclinux-eabi.h: New file.
1723         * config/arm/linux-eabi.h (WCHAR_TYPE): Remove.
1724         * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS
1725         based targets.
1726
1727 2007-02-13  Ian Lance Taylor  <iant@google.com>
1728
1729         * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
1730         * flags.h (warn_strict_overflow): Declare.
1731         (enum warn_strict_overflow_code): Define.
1732         (issue_strict_overflow_warning): New static inline function.
1733         * opts.c (warn_strict_overflow): New variable.
1734         (common_handle_option): Handle OPT_Wstrict_overflow and
1735         OPT_Wstrict_overflow_.
1736         * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
1737         OPT_Wall.
1738         * fold-const.c: Include intl.h.
1739         (fold_deferring_overflow_warnings): New static variable.
1740         (fold_deferred_overflow_warning): New static variable.
1741         (fold_deferred_overflow_code): New static variable.
1742         (fold_defer_overflow_warnings): New function.
1743         (fold_undefer_overflow_warnings): New function.
1744         (fold_undefer_and_ignore_overflow_warnings): New function.
1745         (fold_deferring_overflow_warnings_p): New function.
1746         (fold_overflow_warning): New static function.
1747         (make_range): Add strict_overflow_p parameter.  Change all
1748         callers.
1749         (extract_muldiv, extract_muldiv_1): Likewise.
1750         (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
1751         tree_expr_nonnegative_p.
1752         (fold_negate_expr): Call fold_overflow_warning.
1753         (fold_range_test): Likewise.
1754         (fold_comparison): Likewise.
1755         (fold_binary): Likewise.  Call tree_expr_nonnegative_warnv_p
1756         instead of tree_expr_nonnegative_p.
1757         (tree_expr_nonnegative_warnv_p): Rename from
1758         tree_expr_nonnegative_p, add strict_overflow_p parameter.
1759         (tree_expr_nonnegative_p): New function.
1760         (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
1761         strict_overflow_p parameter.
1762         (tree_expr_nonzero_p): New function.
1763         * passes.c (verify_interpass_invariants): New static function.
1764         (execute_one_pass): Call it.
1765         * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
1766         warnings.
1767         (number_of_iterations_exit, loop_niter_by_eval): Likewise.
1768         (estimate_numbers_of_iterations): Likewise.
1769         (scev_probably_wraps_p): Likewise.
1770         * tree-ssa-ccp.c: Include "toplev.h".
1771         (evaluate_stmt): Defer fold overflow warnings until we know we are
1772         going to optimize.
1773         (struct fold_stmt_r_data): Add stmt field.
1774         (fold_stmt_r): Defer fold overflow warnings until we know we
1775         optimized.
1776         (fold_stmt): Initialize stmt field of fold_stmt_r_data.
1777         (fold_stmt_inplace): Likewise.
1778         * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
1779         (cleanup_control_expr_graph): Defer fold overflow warnings until
1780         we know we are going to optimize.
1781         * tree-cfg.c (fold_cond_expr_cond): Likewise.
1782         * tree-ssa-threadedge.c (simplify_control_stmt_condition):
1783         Likewise.
1784         * tree-vrp.c (vrp_expr_computes_nonnegative): Call
1785         tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
1786         * tree-ssa-loop-manip.c (create_iv): Likewise.
1787         * c-typeck.c (build_conditional_expr): Likewise.
1788         (build_binary_op): Likewise.
1789         * tree-vrp.c (vrp_expr_computes_nonzero): Call
1790         tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
1791         (extract_range_from_unary_expr): Likewise.
1792         * simplify-rtx.c (simplify_const_relational_operation): Warn when
1793         assuming that signed overflow does not occur.
1794         * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
1795         * tree.h (tree_expr_nonnegative_warnv_p): Declare.
1796         (fold_defer_overflow_warnings): Declare.
1797         (fold_undefer_overflow_warnings): Declare.
1798         (fold_undefer_and_ignore_overflow_warnings): Declare.
1799         (fold_deferring_overflow_warnings_p): Declare.
1800         (tree_expr_nonzero_warnv_p): Declare.
1801         * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
1802         of warning options.
1803         (Warning Options): Document -Wstrict-overflow.
1804         * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
1805         (tree-ssa-ccp.o): Likewise.
1806         (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
1807         (fold-const.o): Depend on intl.h.
1808
1809 2007-02-13  Ian Lance Taylor  <iant@google.com>
1810
1811         PR middle-end/30751
1812         * lower-subreg.c (resolve_simple_move): Decompose subregs in
1813         addresses.
1814
1815 2007-02-13  Stuart Hastings  <stuart@apple.com>
1816
1817         * gcc/config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
1818
1819 2007-02-13  Richard Henderson  <rth@redhat.com>
1820
1821         * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
1822         handled_component_p before looking for the indirect_ref.
1823
1824 2007-02-13  Richard Henderson  <rth@redhat.com>
1825
1826         * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
1827         remove flags clobber.
1828         (bswapsi2): New expander, emit code for !TARGET_BSWAP.
1829         (bswaphi_lowpart): New.
1830         (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
1831         remove TARGET_BSWAP test.  Delete expander of the same name.
1832
1833         * optabs.c (widen_bswap, expand_doubleword_bswap): New.
1834         (expand_unop): Use them.
1835
1836 2007-02-13  Uros Bizjak  <ubizjak@gmail.com>
1837
1838         * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1,
1839         *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
1840         *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
1841         *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
1842         *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
1843         *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
1844         *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
1845         assembler dialect choice from asm templates.
1846
1847 2007-02-12  Richard Henderson  <rth@redhat.com>
1848
1849         * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
1850         (fixuns_trunc<SSEMODEF>si2): Use it.
1851         * config/i386/sse.md (vec_setv4sf_0): Export.
1852         * config/i386/i386.c (ix86_build_const_vector): Export.
1853         (ix86_split_convert_uns_si_sse): Rename from
1854         ix86_expand_convert_uns_si_sse and rewrite as a splitter.
1855         * config/i386/i386-protos.h: Update.
1856
1857 2007-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1858
1859         PR c/29521
1860         * c-typeck.c (c_finish_return): Improve warning message.
1861
1862 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1863
1864         * alias.c (find_symbolic_term): Delete unused function.
1865
1866 2007-02-12  Uros Bizjak  <ubizjak@gmail.com>
1867
1868         * config/i386/i386.md (paritydi2, paritysi2): New expanders.
1869         (paritydi2_cmp, paritydi2_cmp): New insn and split patterns.
1870         (*parityhi2_cmp, *parityqi2_cmp): New insn patterns.
1871
1872 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
1873
1874         * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
1875         * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
1876         the function, temporarily point the debug interface to the null one.
1877
1878 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
1879
1880         * dwarf2out.c (round_up_to_align): New static function.
1881         (field_byte_offset): Use it to round the offset.
1882
1883 2007-02-12  Richard Henderson  <rth@redhat.com>
1884
1885         * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
1886         (inswl_const): Export.
1887
1888 2007-02-12  Richard Henderson  <rth@redhat.com>
1889
1890         * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
1891         result mode of the libcall, convert back to outmode.
1892
1893 2007-02-12  Roger Sayle  <roger@eyesopen.com>
1894
1895         * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
1896         (bswapdi2): New define_expand to implement 32-bit implementation.
1897
1898 2007-02-12  Nick Clifton  <nickc@redhat.com>
1899
1900         * doc/invoke.texi (Overall Options): Document --help=.
1901         * gcc.c (target_help_flag): Rename to print_subprocess_flag.
1902         (cc1_options): Pass --help= on to cc1.
1903         (display_help): Add description of --help=.
1904         (process_command): Add code to handle --help=.  Allow translated
1905         --help and --target-help switches to be passed on to compiler
1906         sub-process.
1907         (main): Remove unused if statement.
1908         * opts.c (columns): Remove.
1909         (LEFT_COLUMN): Define.
1910         (wrap_help): Add columns argument.
1911         (print_filtered_help): Change parameters to be an include bitmask,
1912         an exclude bitmask, an any bitmask and the column width.  Move the
1913         code to display the params list here.  Add code to display the
1914         status of options rather than their descriptions if the quiet flag
1915         is not active.
1916         (print_specific_help): Change parameters to be an include bitmask,
1917         an exclude bitmask and an any bitmask.  Move code to look up the
1918         column width here.  Decide upon the title for an options listing.
1919         (common_handle_options): Add code to handle --help=.  Adapt code
1920         for --help and --target-help to use the revised form of the
1921         print_specific_help function.
1922         (print_help): Delete.
1923         (print_param_help): Delete.
1924         (print_switch): Delete.
1925         * opts.h (cl_lang_count): Add prototype.
1926         (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
1927         CL_MAX_OPTION_CLASS): New defines.
1928         * optc-gen.awk: Add construction of cl_lang_count.
1929         * c.opt: Add Warning attribute to warning options and Optimization
1930         attribute to optimization options.
1931         * common.opt: Likewise.
1932         Add --help=.
1933         Add -fhelp and -ftarget-help as aliases for the transformed --help
1934         and --target-help options.
1935         * opt-functions.awk: Add code to handle Warning and Optimization
1936         attributes.
1937
1938 2007-02-12  Richard Henderson  <rth@redhat.com>
1939
1940         * config/alpha/constraints.md: New file.
1941         * config/alpha/alpha.c: Include tm-constrs.h.
1942         (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
1943         alpha_extra_constraint): Remove.
1944         (alpha_emit_conditional_branch): Use satisfies_constraint_*.
1945         * config/alpha/alpha-protos.h: Update.
1946         * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
1947         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
1948         (EXTRA_CONSTRAINT): Remove.
1949         * config/alpha/alpha.md: Include constraints.md.
1950         (adddi splitter): Use satisfies_constraint_*.
1951         * config/alpha/predicates.md (add_operand): Likewise.
1952         (sext_add_operand, addition_operation): Likewise.
1953
1954 2007-02-12  Dorit Nuzman  <dorit@il.ibm.com>
1955
1956         PR tree-optimization/29145
1957         * tree-data-ref.c (base_addr_differ_p): Make us more conservative
1958         in our handling of restrict qualified pointers.
1959
1960 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1961
1962         PR middle-end/7651
1963         * doc/invoke.texi (Wunused-value): Update description.
1964         (Wextra): Delete item.
1965         * opts.c (set_Wextra): Don't use the value of Wextra to set the
1966         value of Wunused-value.
1967         * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
1968         (c_finish_stmt_expr): Don't check extra_warnings.
1969         (emit_side_effect_warnings): The caller is responsible to check
1970         warn_unused_value.
1971
1972 2007-02-11  Roger Sayle  <roger@eyesopen.com>
1973             Matt Thomas  <matt@3am-software.com>
1974
1975         * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
1976
1977 2007-02-11  Roger Sayle  <roger@eyesopen.com>
1978
1979         * simplify-rtx.c (simplify_relational_operation_1): Optimize
1980         comparisons of POPCOUNT against zero.
1981         (simplify_const_relational_operation): Likewise.
1982
1983 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1984
1985         * doc/invoke.texi (Wextra): Delete outdated paragraph.
1986
1987 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1988
1989         * dwarf2out.c (root_type): Delete unused function.
1990
1991 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1992
1993         * genattrtab.c (contained_in_p): Delete unused function.
1994         (write_expr_attr_cache): Likewise.
1995
1996 2007-02-11  Jan Hubicka  <jh@suse.cz>
1997
1998         * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
1999         previous patch.
2000
2001 2007-02-11  Steven Bosscher  <steven@gcc.gnu.org>
2002
2003         * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
2004         to add the REG_EQ* note.
2005         * see.c (see_merge_one_use_extension): Likewise.
2006         * local-alloc.c (update_equiv_regs): Likewise.  Also don't
2007         turn REG_EQUAL notes into REG_EQUIV notes if the target
2008         register may have more than one set.
2009         * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
2010         * gcse.c (try_replace_reg): Likewise.
2011         * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
2012         * calls.c (fixup_tail_calls): Likewise.  Abort if there is
2013         more than one REG_EQUIV note.
2014         * reload1.c (gen_reload): Use set_unique_reg_note.
2015
2016 2007-02-11  Uros Bizjak  <ubizjak@gmail.com>
2017
2018         * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
2019         (ix86_builtin_conversion): New function.
2020
2021 2007-02-06  Mark Mitchell  <mark@codesourcery.com>
2022
2023         PR target/29487
2024         * tree.h (DECL_REPLACEABLE_P): New macro.
2025         * except.c (set_nothrow_function_flags): Likewise.
2026
2027 2007-02-11  Tehila Meyzels  <tehila@il.ibm.com>
2028             Ira Rosen  <irar@il.ibm.com>
2029             Dorit Nuzman  <dorit@il.ibm.com>
2030
2031         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
2032         * targhooks.c (default_builtin_vectorized_conversion): New.
2033         * targhooks.h (default_builtin_vectorized_function): New declaration.
2034         * target.h (struct vectorize): Add builtin_conversion field.
2035         * tree-vectorizer.h (type_conversion_vec_info_type): New enum
2036         stmt_vec_info_type value.
2037         (vectorizable_conversion): New declaration.
2038         * tree-vect-analyze.c (vect_analyze_operations): Add
2039         vectorizable_conversion call.
2040         * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
2041         * tree-vect-transform.c (vectorizable_conversion): New function.
2042         (vect_transform_stmt): Add case for type_conversion_vec_info_type.
2043         * tree-vect-generic.c (expand_vector_operations_1): Consider correct
2044         mode.
2045         * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
2046         (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
2047         (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX
2048         or ALTIVEC_BUILTIN_VCFSX.
2049
2050 2007-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2051
2052         PR target/30634
2053         * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
2054         CONST_DOUBLE and operand 0 is a hard register.
2055         (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
2056         memory.  Fail if operand 1 is a non-zero CONST_INT and operand 0
2057         is a hard floating-point register.
2058
2059 2007-02-10  Richard Henderson  <rth@redhat.com>
2060             Jakub Jelinek  <jakub@redhat.com>
2061             Alexandre Oliva  <aoliva@redhat.com>
2062
2063         * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
2064         * builtin-types.def (BT_WORD): Make unsigned.
2065         (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
2066         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
2067         (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
2068         * c-decl.c (grokdeclarator): Don't error if !have_tls.
2069         * c-parser.c (c_parser_omp_threadprivate): Likewise.
2070         * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
2071         emulated tls.
2072         * expr.c (emutls_var_address): New.
2073         (expand_expr_real_1): Expand emulated tls.
2074         (expand_expr_addr_expr_1): Likewise.
2075         * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
2076         * output.h (emutls_finish): Declare.
2077         * toplev.c (compile_file): Call it.
2078         * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
2079         address before wrapping in CONST.
2080         * varasm.c (emutls_htab, emutls_object_type): New.
2081         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
2082         (get_emutls_object_name, get_emutls_object_type): New.
2083         (get_emutls_init_templ_addr, emutls_decl): New.
2084         (emutls_common_1, emutls_finish): New.
2085         (assemble_variable): When emulating tls, swap decls; generate
2086         constructor for the emutls objects.
2087         (do_assemble_alias): When emulating tls, swap decl and target name.
2088         (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
2089         for emulated tls.
2090         * varpool.c (decide_is_variable_needed): Look at force_output.
2091         Recurse for emulated tls.
2092         (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
2093         with decide_is_variable_needed.
2094         * emutls.c: New file.
2095         * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
2096         tls_object for real tls.
2097
2098 2007-02-10  Kaz Kojima  <kkojima@gcc.gnu.org>
2099
2100         PR rtl-optimization/29599
2101         * reload1.c (eliminate_regs_in_insn): Take the destination
2102         mode into account when computing the offset.
2103
2104 2007-02-09  Stuart Hastings  <stuart@apple.com>
2105             Richard Henderson  <rth@redhat.com>
2106
2107         * gcc/config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
2108         * gcc/config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
2109         * gcc/config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
2110         fixuns_truncdfhi2): New.
2111         (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
2112         (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
2113         (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
2114         (floatunssidf2): Allow nonimmediate source.
2115         * gcc/config/i386/sse.md (movdi_to_sse): New.
2116         (vec_concatv2di): Drop '*'.
2117         * gcc/config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
2118         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
2119         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
2120         New.
2121         * gcc/config/i386/i386.c (ix86_expand_convert_uns_si_sse,
2122         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
2123         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
2124         ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
2125         (ix86_build_signbit_mask): Fix decl of v, refactor to call
2126         ix86_build_const_vector.
2127         (x86_emit_floatuns): Rewrite.
2128
2129 2007-02-10  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2130
2131         * genautomata.c (longest_path_length): Delete unused function.
2132         (struct state): Delete unused longest_path_length.
2133         (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
2134         (get_free_state): Delete unused.
2135
2136 2007-02-09  Jan Hubicka  <jh@suse.cz>
2137
2138         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
2139         * doc/invoke.texi (inline-unit-growth): Update default value.
2140
2141         * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
2142         * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
2143         (rebuild_cgraph_edges): Likewise.
2144         * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
2145         (dump_cgraph_node): Dump frequencies.
2146         (cgraph_clone_edge): Add frequency scales.
2147         (cgraph_clone_node): Add freuqnecy.
2148         * cgraph.h (cgraph_edge): Add freuqnecy argument.
2149         (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
2150         (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
2151         * tree-pass.h (TODO_rebuild_frequencies): New constant.
2152         * cgraphunit.c (verify_cgraph_node): Verify frequencies.
2153         (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
2154         (save_inline_function_body): Likewise.
2155         * ipa-inline.c: inluce rtl.h
2156         (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
2157         (cgraph_edge_badness): Use frequencies.
2158         (cgraph_decide_recursive_inlining): Update clonning.
2159         (cgraph_decide_inlining_of_small_function): Dump frequency.
2160         * predict.c (estimate_bb_frequencies): Export.
2161         * predict.h (estimate_bb_frequencies): Declare.
2162         * tree-inline.c (copy_bb): Watch overflows.
2163         (expand_call_inline): Update call of cgraph_create_edge.
2164         (optimize_inline_calls): Use TODO flags to update frequnecies.
2165         * passes.h: Include predict.h
2166         (init_optimization_passes): Move profile ahead.
2167         (execute_function_todo): Handle TODO_rebuild_frequencies.
2168
2169 2007-02-09  Roger Sayle  <roger@eyesopen.com>
2170
2171         * config/alpha/alpha.c (emit_insxl): Force the first operand of
2172         the insbl or inswl pattern into a register.
2173
2174 2007-02-09  Roger Sayle  <roger@eyesopen.com>
2175
2176         * config/ia64/ia64.md (bswapdi2): New define_insn.
2177
2178 2007-02-09  Richard Henderson  <rth@redhat.com>
2179
2180         * config/i386/constraints.md (Ym): New constraint.
2181         * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
2182         (movdi_1_rex64): Split sse and xmm general register moves from
2183         memory move alternatives.  Use conditional register constraints.
2184         (movsf_1, movdf_integer): Likewise.
2185         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
2186         (movdf_integer_rex64): New.
2187         (pushsf_rex64): Fix output constraints.
2188         * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
2189         (sse2_stored): Likewise.
2190         (sse2_storeq_rex64): New.
2191         * config/i386/i386.c (x86_inter_unit_moves): Enable for not
2192         amd and not generic.
2193         (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
2194         for optimize_size.  Remove SF/DFmode hack.
2195
2196 2007-02-09  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
2197
2198         * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
2199         (bit_SSE4a): New.
2200
2201 2007-02-09  Nathan Sidwell  <nathan@codesourcery.com>
2202             Richard Sandiford  <richard@codesourcery.com>
2203
2204         * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
2205         (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
2206         (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
2207         m68k/t-mlib to tmake_file.
2208         (m68020-*-elf*, m68k-*-elf*): Likewise.  Add t-m68kbare as well.
2209         (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
2210         (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
2211         Allow it to be cf or m68k.  Set m68k_arch_family.  If that
2212         variable is not empty, add t-$m68k_arch_family to tmake_file.
2213         Add t-mlibs to tmake_file.
2214         * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
2215         * config/m68k/t-cf: New file.
2216         * config/m68k/t-m68k: Likewise.
2217         * config/m68k/t-mlibs: Likewise.
2218         * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
2219         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
2220         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
2221         * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
2222         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
2223         Delete.
2224         * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
2225         (INSTALL_LIBGCC): Delete.
2226         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
2227         * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
2228         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
2229         (M68K_MLIB_CPU): Define.
2230         * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
2231         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
2232         (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
2233
2234 2007-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
2235             Richard Guenther  <rguenther@suse.de>
2236
2237         PR middle-end/23361
2238         * fold-const.c (fold_comparison): Handle obfuscated comparisons
2239         against INT_MIN/INT_MAX.
2240         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
2241         file if a loop is removed.
2242
2243 2007-02-09  Joseph Myers  <joseph@codesourcery.com>
2244
2245         * calls.c (store_one_arg): Pass correct alignment to
2246         emit_push_insn for non-BLKmode values.
2247         * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
2248         unaligned stack slot via a suitably aligned slot.
2249
2250 2007-02-08  DJ Delorie  <dj@redhat.com>
2251
2252         * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
2253         warnings.
2254         (legal_subregs): Use unsigned char, make const.
2255         (m32c_illegal_subreg_p): Use ARRAY_SIZE.  Delete unused variables.
2256
2257 2007-02-08  Paul Brook  <paul@codesourcery.com>
2258
2259         * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
2260         special interworking needed.
2261
2262 2007-02-08  Harsha Jagasia  <harsha.jagasia@amd.com>
2263
2264         * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
2265         conditional to __SSE2__.
2266         (Entries below should have been added to first ChangeLog
2267         entry for amdfam10 dated 2007-02-05)
2268         * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
2269         defined.
2270         * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
2271         defined.
2272         * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
2273         defined.
2274
2275 2007-02-08  DJ Delorie  <dj@redhat.com>
2276
2277         * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
2278         * config/m32c/m32c.c (legal_subregs): New.
2279         (m32c_illegal_subreg_p): New.
2280         * config/m32c/predicates.md (m32c_any_operand): Use it to reject
2281         unsupported subregs of hard regs.
2282
2283 2007-02-08  Jan Hubicka  <jh@suse.cz>
2284
2285         * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
2286         the same one; always update histograms.
2287
2288 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
2289
2290         * passes.c (init_optimization_passes): Tidy comment.
2291
2292 2007-02-08  Roger Sayle  <roger@eyesopen.com>
2293
2294         * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
2295         strip zero_extend, bswap and rotates from POCOUNT's argument.
2296         <PARITY>: Likewise, we can strip not, bswap, sign_extend,
2297         zero_extend and rotates from PARITY's argument.
2298         <BSWAP>: A byte-swap followed by a byte-swap is an identity.
2299         (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
2300         of an integer constant at compile-time.
2301
2302 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
2303
2304         PR 30562
2305         * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
2306         Update all users.
2307         * tree-ssa-alias.c (compute_is_aliased): Remove.  Update all
2308         users.
2309         (init_alias_info):
2310         * tree-ssa-live.c (remove_unused_locals): Do not remove
2311         TREE_ADDRESSABLE variables.
2312         * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
2313         * tree-ssa-operands.c (add_virtual_operand): Remove argument
2314         FOR_CLOBBER.  Update all users.
2315         If VAR has an associated alias set, add a virtual operand for
2316         it if no alias is found to conflict with the memory reference.
2317
2318 2007-02-07  Jan Hubicka  <jh@suse.cz>
2319             Robert Kidd <rkidd@crhc.uiuc.edu>
2320
2321         * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
2322
2323 2007-02-07  Ian Lance Taylor  <iant@google.com>
2324
2325         * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
2326
2327 2007-02-07  Roger Sayle  <roger@eyesopen.com>
2328
2329         * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
2330         parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
2331         tablejumpdi, movsi_to_cr_one): Remove constraints from
2332         define_expand's match_operands.
2333
2334 2007-02-07  Roger Sayle  <roger@eyesopen.com>
2335
2336         * global.c (compute_regsets): Move declatation of "i" inside of
2337         #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
2338
2339 2007-02-07  Jakub Jelinek  <jakub@redhat.com>
2340
2341         PR c++/30703
2342         * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
2343         of INDIRECT_REF <RESULT_DECL>.
2344
2345         * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
2346
2347 2007-02-06  J"orn Rennecke  <joern.rennecke@arc.com>
2348             Kaz Kojima  <kkojima@gcc.gnu.org>
2349
2350         PR target/29746
2351         * config/sh/sh.c (expand_cbranchdi4): Use scratch register
2352         properly.
2353         (sh_initialize_trampoline): Add parentheses to avoid a warning.
2354
2355 2007-02-06  Zdenek Dvorak <dvorakz@suse.cz>
2356
2357         * doc/loop.texi: Document possibility not to perform disambiguation
2358         of loops with multiple latches.
2359         * cfgloopmanip.c (alp_enum_p): Removed.
2360         (add_loop): Handle subloops.  Use get_loop_body_with_size.
2361         (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
2362         * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
2363         the new forwarder block.
2364         (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
2365         Handle the case latch is NULL.
2366         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg modifications
2367         when marking loop exits.
2368         * ifcvt.c (if_convert): Ditto.  Mark loop exits even if cfg cannot
2369         be modified.
2370         * loop-init.c (loop_optimizer_init): Do not modify cfg.  Call
2371         disambiguate_loops_with_multiple_latches.
2372         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
2373         before fix_loop_structure.
2374         * cfgloop.c: Include pointer-set.h and output.h.
2375         (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
2376         update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
2377         (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
2378         find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
2379         mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
2380         disambiguate_multiple_latches, get_loop_body_with_size,
2381         disambiguate_loops_with_multiple_latches): New functions.
2382         (flow_loop_dump): Dump multiple latch edges.
2383         (flow_loop_nodes_find): Handle loops with multiple latches.
2384         (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
2385         (glb_enum_p): Modified.
2386         (get_loop_body): Use get_loop_body_with_size.
2387         * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
2388         (AVOID_CFG_MODIFICATIONS): New constant.
2389         (disambiguate_loops_with_multiple_latches, add_loop,
2390         get_loop_body_with_size): Declare.
2391         * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
2392
2393 2007-02-06  Seongbae Park <seongbae.park@gmail.com>
2394
2395         PR inline-asm/28686
2396         * global.c (compute_regsets): New function.
2397         (global_alloc): Refactored ELIMINABLE_REGSET
2398         and NO_GLOBAL_ALLOC_REGS computation out.
2399         (rest_of_handle_global_alloc): Call compute_regsets()
2400         for non-optimizing case.
2401
2402 2007-02-06  Richard Henderson  <rth@redhat.com>
2403
2404         * config/i386/constraints.md (Y2): Rename from Y.
2405         (Yi): New constraint.
2406         * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
2407         pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
2408         zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
2409         (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
2410         truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
2411         fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
2412         floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed,
2413         absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
2414         fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
2415         * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
2416         mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
2417         vec_extractv2si_1): Change Y constraints to Y2.
2418         * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
2419         vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
2420         Change Y constraints to Y2.
2421         (sse2_loadld): Change Y constraints to x.
2422
2423 2007-02-06  Roger Sayle  <roger@eyesopen.com>
2424
2425         * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
2426         (parity<mode>2): New define_expand using rs6000_emit_parity.
2427         * config/rs6000/rs6000.c (rs6000_emit_popcount,
2428         rs6000_emit_parity): New functions.
2429         * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
2430         rs6000_emit_parity): Prototype here.
2431
2432 2007-02-06  Ian Lance Taylor  <iant@google.com>
2433
2434         * lower-subreg.c (simple_move_operand): Reject CONST.
2435         (resolve_clobber): Call validate_change rather than directly
2436         assigning to XEXP (pat, 0).
2437
2438 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
2439
2440         * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
2441         (tree-ssa-reassoc.o): Add pointer-set.h dependency.
2442         (tree-cfg.o): Remove hashtab.h dependency.
2443
2444         * tree-ssa-loop-ivopts.c: Include pointer-set.h.
2445         (struct ivopts_data): Change niters to pointer_map_t.
2446         (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
2447         (niter_for_exit): Create pointer_map on demand.  Change for
2448         pointer_map API.
2449         (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
2450         (free_loop_data): Destroy data->niters if created and reset field.
2451         (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
2452         (tree_ssa_iv_optimize_loop): Check for presence of stale data.
2453
2454         * tree-ssa-reassoc.c: Include pointer-set.h.
2455         (bb_rank): Change to long *.
2456         (operand_rank): Change to pointer_map_t.
2457         (find_operand_rank): Return long, -1 if not found.  Declare as inline.
2458         (insert_operand_rank): Accept long.
2459         (operand_entry_hash, operand_entry_eq): Remove.
2460         (get_rank): Return long.  Adjust for changes above.
2461         (init_reassoc): Change rank type to long.  Adjust creation of bb_rank
2462         and operand_rank.
2463         (fini_reassoc): Delete operand_rank with pointer_map_destroy.
2464
2465         * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
2466         (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
2467         (insert_vi_for_tree): Rewrite for pointer_map API.  Assert argument
2468         is not NULL.
2469         (lookup_vi_for_tree): Rewrite for pointer_map API.  Return varinfo_t
2470         directly since it cannot be NULL.
2471         (get_vi_for_tree): Rewrite for pointer_map API.
2472         (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
2473         (init_alias_vars): Create vi_for_tree as pointer_map.
2474         (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
2475
2476         * tree-cfg.c: Don't include hashtab.h.
2477         (edge_to_cases): Declare as pointer_map.
2478         (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
2479         Delete.
2480         (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
2481         (start_recording_case_labels): Create edge_to_cases as pointer_map.
2482         (end_recoding_case_labels): Cleanup edge_to_cases manually before
2483         destroying it.
2484         (record_switch_edge): Delete.
2485         (get_cases_for_edge): Adjust for pointer_map API, inline
2486         record_switch_edge (rewritten for new API), remove goto.
2487
2488 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
2489
2490         * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
2491         * tree-nested.c: Include pointer-set.h.
2492         (var_map_elt, var_map_eq, var_map_hash): Delete.
2493         (struct nesting_info): Remove GTY marker.  Change the two htab_t's
2494         to pointer_map_t's.
2495         (nesting_info_bitmap_obstack): New.
2496         (lookup_field_for_decl): Adjust for pointer_map API.
2497         (lookup_tramp_for_decl): Adjust for pointer_map API.
2498         (get_nonlocal_debug_decl): Adjust for pointer_map API.
2499         (get_local_debug_decl): Adjust for pointer_map API.
2500         (convert_nl_goto_reference): Adjust for pointer_map API.
2501         (convert_nl_goto_receiver): Adjust for pointer_map API.
2502         (create_nesting_tree): Create outside GGC space.  Create bitmap on
2503         the new obstack.  Create field_map and var_map as pointer_maps.
2504         (free_nesting_tree): Adjust for changes to create_nesting_tree.
2505         (root): Delete.
2506         (lower_nested_functions): Move root here, no need to NULL it.
2507         Initialize and release the obstack.
2508
2509 2007-02-06  Paolo Bonzini  <bonzini@gnu.org>
2510
2511         * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
2512         Remove prototypes and make them non-static.
2513         (struct tree_int_map): Remove.
2514         * tree.h (struct tree_int_map): Move here, turning TO into an
2515         unsigned int.
2516         (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
2517
2518         * tree.h (TREE_COMPLEXITY): Remove.
2519         (struct tree_exp): Remove complexity field.
2520         * tree.c (build1_stat): Don't set it.
2521
2522 2007-02-06  Dorit Nuzman  <dorit@il.ibm.com>
2523             Victor Kaplansky  <victork@il.ibm.com>
2524
2525         * tree-vectorizer.c (vect_is_simple_use): Support induction.
2526         (vect_is_simple_reduction): Support reduction with induction as
2527         one of the operands.
2528         (vect_is_simple_iv_evolution): Fix formatting.
2529         * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix
2530         formatting.  Don't mark induction phis for vectorization.
2531         (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
2532         * tree-vect-transform.c (get_initial_def_for_induction): New function.
2533         (vect_get_vec_def_for_operand): Support induction.
2534         (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
2535         induction case.
2536         (vectorizable_reduction): Support reduction with induction as one of
2537         the operands.
2538         (vectorizable_type_demotion): Use def-type of stmt argument rather
2539         than dummy def-type.
2540
2541         * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
2542         flag_tree_scev_cprop.
2543         * common.opt (tree-scev-cprop): New flag.
2544
2545         * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
2546         call to vect_get_new_vect_var.
2547
2548 2007-02-06  Ira Rosen  <irar@il.ibm.com>
2549
2550         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that
2551         vectype is not NULL.
2552         (vect_pattern_recog_1): Likewise.
2553
2554 2007-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2555
2556         * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
2557         (fold_negate_expr): Likewise.
2558
2559 2007-02-05  Alexandre Oliva  <aoliva@redhat.com>
2560
2561         PR debug/30189
2562         * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
2563         even if cv-qualification is the same.
2564
2565 2007-02-05  Geoffrey Keating  <geoffk@apple.com>
2566
2567         * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
2568         __enable_execute_stack on completion.
2569
2570 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2571
2572         * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
2573         athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
2574         athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
2575         athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
2576         athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
2577         athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
2578         athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
2579         athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
2580
2581 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2582
2583         * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
2584         cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
2585         swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
2586         fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
2587         x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
2588         floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
2589         floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
2590         mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
2591         umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
2592         umuldi3_highpart_rex64, umulsi3_highpart_insn,
2593         umulsi3_highpart_zext, smuldi3_highpart_rex64,
2594         smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
2595         x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
2596         sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
2597         sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
2598         sqrtextenddfxf2_i387): Added amdfam10_decode.
2599
2600         * config/i386/athlon.md (athlon_idirect_amdfam10,
2601         athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
2602         athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
2603         athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
2604         athlon_ivector_store_amdfam10): New define_insn_reservation.
2605         (athlon_idirect_loadmov, athlon_idirect_movstore): Added
2606         amdfam10.
2607
2608 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2609
2610         * config/i386/athlon.md (athlon_call_amdfam10,
2611         athlon_pop_amdfam10, athlon_lea_amdfam10): New
2612         define_insn_reservation.
2613         (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
2614         athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
2615         athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
2616
2617 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2618
2619         * config/i386/athlon.md (athlon_sseld_amdfam10,
2620         athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
2621         athlon_mmxssest_short_amdfam10): New define_insn_reservation.
2622
2623 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2624
2625         * config/i386/athlon.md (athlon_sseins_amdfam10): New
2626         define_insn_reservation.
2627         * config/i386/i386.md (sseins): Added sseins to define_attr type
2628         and define_attr unit.
2629         * config/i386/sse.md: Set type attribute to sseins for insertq
2630         and insertqi.
2631
2632 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2633
2634         * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
2635         ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
2636         ssecomi_load_amdfam10, ssecomi_amdfam10,
2637         sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
2638         define_insn_reservation.
2639         (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
2640
2641 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2642
2643         * config/i386/athlon.md (cvtss2sd_load_amdfam10,
2644         cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
2645         cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
2646         cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
2647         cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
2648         cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New
2649         define_insn_reservation.
2650
2651         * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
2652         cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
2653         cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
2654         cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
2655         cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
2656
2657 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2658
2659         * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
2660         athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
2661         athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
2662         (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
2663         athlon_ssemul_load_k8): Added amdfam10.
2664
2665 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2666
2667         * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
2668         (x86_sse_unaligned_move_optimal): New variable.
2669
2670         * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for
2671         m_AMDFAM10.
2672         (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
2673         for unaligned vector SSE double/single precision loads for AMDFAM10.
2674
2675 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2676
2677         * config/i386/i386.h (TARGET_AMDFAM10): New macro.
2678         (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
2679         Define TARGET_CPU_DEFAULT_amdfam10.
2680         (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
2681         (processor_type): Add PROCESSOR_AMDFAM10.
2682
2683         * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
2684         processor_type in config/i386/i386.h.
2685         Enable imul peepholes for TARGET_AMDFAM10.
2686
2687         * config.gcc: Add support for --with-cpu option for amdfam10.
2688
2689         * config/i386/i386.c (amdfam10_cost): New variable.
2690         (m_AMDFAM10): New macro.
2691         (m_ATHLON_K8_AMDFAM10): New macro.
2692         (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
2693         x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
2694         x86_promote_QImode, x86_integer_DFmode_moves,
2695         x86_partial_reg_dependency, x86_memory_mismatch_stall,
2696         x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
2697         x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
2698         x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
2699         x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
2700         Enable/disable for amdfam10.
2701         (override_options): Add amdfam10_cost to processor_target_table.
2702         Set up PROCESSOR_AMDFAM10 for amdfam10 entry in
2703         processor_alias_table.
2704         (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
2705         (ix86_adjust_cost): Add code for amdfam10.
2706
2707 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2708
2709         * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
2710         instruction set feature flag. Add new (-mpopcnt) flag for popcnt
2711         instruction. Add new SSE4A (-msse4a) instruction set feature flag.
2712         * config/i386/i386.h: Add builtin definition for SSE4A.
2713         * config/i386/i386.md: Add support for ABM instructions
2714         (popcnt and lzcnt).
2715         * config/i386/sse.md: Add support for SSE4A instructions
2716         (movntss, movntsd, extrq, insertq).
2717         * config/i386/i386.c: Add support for ABM and SSE4A builtins.
2718         Add -march=amdfam10 flag.
2719         * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
2720         * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
2721         and amdfam10.
2722         * doc/extend.texi: Add documentation for SSE4A builtins.
2723
2724 2007-02-05  Bob Wilson  <bob.wilson@acm.org>
2725
2726         * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
2727
2728 2007-02-05  Richard Guenther  <rguenther@suse.de>
2729
2730         * tree-vectorizer.h (vectorizable_function): Add argument type
2731         argument, change return type.
2732         * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
2733         * tree-vect-transform.c (vectorizable_function): Handle extra
2734         argument, return vectorized function decl.
2735         (build_vectorized_function_call): Remove.
2736         (vectorizable_call): Handle calls with result and argument types
2737         differing.  Handle loop vectorization factor correctly.
2738         * targhooks.c (default_builtin_vectorized_function): Adjust for
2739         extra argument.
2740         * targhooks.h (default_builtin_vectorized_function): Likewise.
2741         * target.h (builtin_vectorized_function): Add argument type
2742         argument.
2743         * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
2744         extra argument, allow vectorizing of lrintf.
2745         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
2746         documentation of target hook.
2747
2748 2007-02-05  Hans-Peter Nilsson  <hp@axis.com>
2749
2750         PR target/30665
2751         * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
2752         ("*andhi_clear", andu (casesi+45)): For size-changed operand where
2753         memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
2754
2755 2007-02-05  Roger Sayle  <roger@eyesopen.com>
2756
2757         * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
2758         BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
2759         <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
2760         * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
2761         before canonicalizing sincos to cexpi.
2762         (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
2763
2764 2007-02-05  Roger Sayle  <roger@eyesopen.com>
2765
2766         * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
2767         Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
2768         (alpha_init_builtins): Use alpha_add_builtins to process tables.
2769
2770 2007-02-05  Roger Sayle  <roger@eyesopen.com>
2771
2772         * mips-tfile.c (initialize_init_file): Correct endianness test.
2773
2774 2007-02-05  Kazu Hirata  <kazu@codesourcery.com>
2775
2776         * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
2777         the 'y' constraint.
2778
2779 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
2780
2781         * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
2782         saves in a PARALLEL before the register assignments.
2783
2784 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
2785
2786         * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
2787         DWARF_FRAME_RETURN_COLUMN to be a general register.
2788         * dwarf2out.c (init_return_column_size): New function, split from...
2789         (expand_builtin_init_dwarf_reg_sizes): ...here.  Allow both
2790         DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
2791         to be nongeneral registers.
2792         * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
2793         integer registers.
2794         (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
2795         (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
2796
2797 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
2798
2799         * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
2800
2801 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
2802
2803         * cfgloopmanip.c (loop_delete_branch_edge): Removed.
2804         (remove_path): Use can_remove_branch_p and remove_branch instead
2805         of loop_delete_branch_edge.
2806         * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
2807         (tree_transform_and_unroll_loop): Remove dead branches immediately.
2808         Update profile using scale_dominated_blocks_in_loop.
2809         * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
2810         * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
2811         (can_remove_branch_p, remove_branch): Declare.
2812         * tree-cfg.c (tree_can_remove_branch_p): New function.
2813         (tree_cfg_hooks): Add tree_can_remove_branch_p.
2814         * cfgrtl.c (rtl_can_remove_branch_p): New function.
2815         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
2816
2817 2007-02-05  Jan Hubicka  <jh@suse.cz>
2818
2819         PR middle-end/30696
2820         * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
2821         nodes in cgraph, don't remove offline copy of the function.
2822
2823 2007-02-04  Jan Hubicka  <jh@suse.cz>
2824
2825         * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
2826         vectors might cause maybe_lookup_element_for_expr to be called
2827         on non-sra-candidate.
2828
2829 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
2830
2831         * config/bfin/bfin-modes.def, config/bfin/bfin.c,
2832         config/bfin/bfin.md, config/bfin/predicates.md: Follow
2833         spelling conventions.
2834
2835 2007-02-04  Richard Guenther  <rguenther@suse.de>
2836
2837         PR middle-end/30636
2838         * fold-const.c (try_move_mult_to_index): Make sure to not
2839         overflow one dimension of a multi-dimensional array access.
2840
2841 2007-02-04  Jan Hubicka  <jh@suse.cz>
2842
2843         * passes.c (init_optimization_passes): Reindent.
2844
2845 2007-02-04  Jan Hubicka  <jh@suse.cz>
2846             Eric Botcazou  <ebotcazou@adacore.com>
2847
2848         * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
2849         (execute_fixup_cfg): Break out the abnormal goto code.
2850         * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
2851         (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
2852         (optimize_inline_calls): Call make_nonlocal_label_edges.
2853
2854 2007-02-04  Jan Hubicka  <jh@suse.cz>
2855
2856         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
2857         true when something was changed.
2858         (rename_ssa_copies): When something was changed, do
2859         TODO_remove_unused_locals.
2860         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
2861         add TODO_remove_unused_locals when instruction was removed.
2862
2863 2007-02-04  Jan Hubicka  <jh@suse.cz>
2864
2865         * ipa-inline.c (try_inline): Improve debug output; work on already
2866         inline edges too.
2867         (cgraph_decide_inlining_incrementally): Indent; improve debug output;
2868         call try_inline for already inlined edges too when flattening;
2869         inline also functions that make callee growth but overall unit size
2870         reduce.
2871
2872 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
2873
2874         * config/m32c/bitops.md, config/m32c/jump.md,
2875         config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
2876         config/m32r/m32r.h, config/m32r/m32r.md,
2877         config/m32r/predicates.md, config/m68hc11/larith.asm,
2878         config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
2879         config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
2880         config/mips/mips-protos.h, config/mips/mips.c,
2881         config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
2882         config/mn10300/mn10300.h, config/mn10300/predicates.md,
2883         config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
2884         spelling conventions.
2885
2886         * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
2887         Follow spelling conventions.
2888
2889 2007-02-03  Douglas Gregor  <doug.gregor@gmail.com>
2890
2891         * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
2892         warn about C++0x compatibility.
2893
2894 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
2895
2896         * config/h8300/h8300.c, config/h8300/h8300.h,
2897         config/h8300/h8300.md: Follow spelling conventions.
2898
2899 2007-02-03  Uros Bizjak  <ubizjak@gmail.com>
2900
2901         PR middle-end/30667
2902         * combine.c (try_combine): Do not substitute source operand
2903         with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
2904
2905 2007-02-03  Jan Hubicka  <jh@suse.cz>
2906
2907         PR gcov-profile/30650
2908         * value-prof.c (stringop_block_profile): Fix handling of size counter;
2909         do not divide by zero for never executed counters.
2910         (tree_find_values_to_profile): Fix counters.
2911         * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
2912
2913 2007-02-03  Ian Lance Taylor  <iant@google.com>
2914
2915         * lower-subreg.c (simple_move_operand): New static function,
2916         broken out of simple_move.  Reject LABEL_REF, SYMBOL_REF, and HIGH
2917         operands.
2918         (simple_move): Call simple_move_operand.
2919         (find_decomposable_subregs): Add special handling of MEMs.
2920         (can_decompose_p): Rename from cannot_decompose_p.  Reverse
2921         meaning of return value.  If we see a hard register, test whether
2922         it can store a word_mode value.  Change all callers.
2923
2924 2007-02-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2925
2926         * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
2927         ftrapv insns and expanders.
2928         (subdi3): Change define_expand operand 1 to arith11_operand, and
2929         operand 2 to reg_or_0_operand.  Change constraints of 64-bit insn
2930         pattern to handle reg_or_0 operands.  Revise 32-bit insn pattern to
2931         handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
2932         respectively.
2933
2934         PR middle-end/30174
2935         * varasm.c (notice_global_symbol): Treat global objects as weak when
2936         flag_shlib is true.
2937
2938 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2939
2940         * emit-rtl.c (dconstpi): Delete.
2941         (dconstsqrt2): New.
2942         (init_emit_once): Delete dconstpi and init dconstsqrt2.
2943         * real.h (dconstpi): Delete.
2944         (dconstsqrt2): New.
2945         * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
2946         (fold_builtin_hypot): Likewise.
2947
2948 2007-02-03  Tom Tromey  <tromey@redhat.com>
2949
2950         PR driver/30246
2951         * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
2952         -gcoff3, -gxcoff3, -gvms3 implies -dD.
2953
2954 2007-02-03  Kazu Hirata  <kazu@codesourcery.com>
2955
2956         * c-decl.c, config/avr/avr.c, config/avr/avr.h,
2957         config/m68k/m68k.c, config/m68k/netbsd-elf.h,
2958         config/mn10300/mn10300.c, config/pdp11/pdp11.h,
2959         config/rs6000/cell.md, config/rs6000/darwin.h,
2960         config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
2961         config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
2962         jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
2963         tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
2964         typos.  Follow spelling conventions.
2965         * doc/invoke.texi: Follow spelling conventions.
2966
2967 2007-02-03  Roger Sayle  <roger@eyesopen.com>
2968
2969         * simplify-rtx.c (simplify_relational_operation_1): Implement some
2970         canonicalization transformations that attempt to simplify integer
2971         constant comparisons to become comparisons against zero.
2972
2973 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2974
2975         * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
2976         fabs(x)*sqrt(2).
2977         * fold-const.c (fold_binary): Fix comment typos.  Fold complex
2978         (x,0)-(0,y) into (x,-y).  Likewise (0,y)-(x,0) into (-x,y).
2979
2980 2007-02-02  Mike Stump  <mrs@apple.com>
2981
2982         * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
2983         * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
2984         (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
2985         generate a branch island.
2986
2987 2007-02-02  Bob Wilson  <bob.wilson@acm.org>
2988
2989         * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
2990         (xtensa_legitimate_address_p): New.
2991         (xtensa_legitimize_address): New.
2992         (xtensa_output_addr_const_extra): New.
2993         * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
2994         (BASE_REG_P): New.
2995         (REG_OK_FOR_BASE_P): Use BASE_REG_P.
2996         (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
2997         (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
2998         (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
2999         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
3000         (xtensa_legitimize_address): New.
3001         (xtensa_output_addr_const_extra): New.
3002
3003 2007-02-02  Steve Ellcey  <sje@cup.hp.com>
3004
3005         * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
3006
3007 2007-02-02  Ian Lance Taylor  <iant@google.com>
3008
3009         * expmed.c (expand_divmod): Add comment.
3010
3011 2007-02-02  Kazu Hirata  <kazu@codesourcery.com>
3012
3013         * emit-rtl.c (renumber_insns): Remove.
3014         * flags.h: Remove the extern for flag_renumber_insns.
3015         * rtl.h: Remove the prototype for renumber_insns.
3016         * toplev.c (flag_renumber_insns): Remove.
3017
3018 2007-02-02  Hui-May Chang  <hm.chang@apple.com>
3019
3020         Revert for x86 darwin:
3021         2005-06-19  Uros Bizjak  <uros@kss-loka.si>
3022
3023         * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
3024         code before the following patch under TARGET_MACHO.
3025         (ix86_function_value_regno_p): Likewise.
3026
3027 2007-02-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3028
3029         * fold-const.c (negate_expr_p, fold_negate_expr): Handle
3030         COMPLEX_EXPR.
3031
3032 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
3033
3034         PR target/29682
3035         * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory loads to
3036         general or fp registers.  Add comments.
3037         * config/ia64/ia64.md (reg_pred_prefix): Add comment.
3038
3039 2007-02-02  Paolo Bonzini  <bonzini@gnu.org>
3040
3041         * pointer-set.c (insert_aux): Only return insertion slot.
3042         (pointer_set_insert): Adjust.
3043         (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
3044         pointer_map_destroy, pointer_map_insert, pointer_map_contains,
3045         pointer_map_traverse): New.
3046         * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
3047         pointer_map_create,  pointer_map_destroy, pointer_map_insert,
3048         pointer_map_contains, pointer_map_traverse): Declare.
3049
3050 2007-02-02  Jakub Jelinek  <jakub@redhat.com>
3051
3052         PR middle-end/30473
3053         * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
3054         sprintf (str, "%s").  Do not optimize sprintf (str, "nopercent", p++).
3055
3056 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
3057
3058         * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
3059
3060         (struct _dep): New type.
3061         (dep_t): New typedef.
3062         (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
3063         (DEP_STATUS): New access macro.  The macro with the same name was
3064         renamed to DEP_LINK_STATUS.
3065         (dep_init): Declare function
3066
3067         (struct _dep_link): New type.
3068         (dep_link_t): New typedef.
3069         (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
3070         (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
3071         (DEP_LINK_STATUS): New macro.
3072         (debug_dep_links): New debug function.
3073
3074         (struct _deps_list): New type.
3075         (deps_list_t): New typedef.
3076         (DEPS_LIST_FIRST): New access macro.
3077         (FOR_EACH_DEP_LINK): New cycle macro.
3078         (create_deps_list, free_deps_list, delete_deps_list): Declare
3079         functions.
3080         (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
3081         (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
3082         (copy_deps_list_change_con): Ditto.
3083
3084         (move_dep_link): Declare function.
3085
3086         (struct _dep_node): New type.
3087         (dep_node_t): New typedef.
3088         (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
3089
3090         (struct haifa_insn_data.back_deps): New field to hold backward
3091         dependencies of the insn.
3092         (struct haifa_insn_data.depend): Rename to forw_deps.  Change its type
3093         to deps_list_t.
3094         (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
3095         Change its type to deps_list_t.
3096         (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
3097         (INSN_DEPEND): Rename to INSN_FORW_DEPS.
3098         (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
3099
3100         (INSN_COST): Move to haifa-sched.c.  Use insn_cost () instead.
3101
3102         (DEP_STATUS): Rename to DEP_LINK_STATUS.  Fix typo in the comment.
3103
3104         (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration and
3105         all callers.
3106         (dep_cost): Declare.
3107
3108         * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
3109         (ds_to_dk, dk_to_ds): New functions.
3110
3111         (init_dep_1): New static function.
3112         (init_dep): New function.
3113         (copy_dep): New static function.
3114
3115         (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
3116         functions.
3117         (detach_dep_link): New static function.
3118         (move_dep_link): New function.
3119
3120         (dep_links_consistent_p, dump_dep_links): New static functions.
3121         (debug_dep_links): New debugging function.
3122
3123         (deps_obstack, dl_obstack, dn_obstack): New static variables.
3124
3125         (alloc_deps_list, init_deps_list): New static functions.
3126         (create_deps_list): New function.
3127         (clear_deps_list): New static function.
3128         (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
3129         (deps_list_consistent_p, dump_deps_list): New static functions.
3130         (debug_deps_list): New function.
3131         (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
3132         functions.
3133         (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
3134
3135         (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
3136         use new scheduler dependencies lists.
3137         (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
3138         (sched_analyze): Ditto.  Initialize dependencies lists.
3139         (add_forw_dep, compute_forward_dependences): Update to use new
3140         scheduler dependencies lists.
3141
3142         (init_dependency_caches): Init deps_obstack.
3143         (free_dependency_caches): Free deps_obstack.
3144
3145         (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
3146         new scheduler dependencies lists.
3147         (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
3148         (add_back_forw_dep, delete_back_forw_dep): Ditto.
3149
3150         * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
3151         Update to use new scheduler dependencies lists.
3152         (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
3153         (debug_dependencies): Ditto.
3154         (schedule_region): Update comments.
3155
3156         * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
3157         scheduler dependencies lists.
3158         (schedule_ebb): Update comments.
3159
3160         * rtl.def (DEPS_LIST): Remove.
3161
3162         * lists.c (unused_deps_list): Remove.
3163         (free_list): Update assertions.
3164
3165         (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
3166         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
3167
3168         * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
3169         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
3170
3171         * haifa-sched.c (comments): Update.
3172         (insn_cost1): Remove.  Inline the code into insn_cost ().
3173         (insn_cost): Update to use new scheduler dependencies lists.  Move
3174         processing of the dependency cost to dep_cost ().
3175         (dep_cost): New function.  Use it instead of insn_cost () when
3176         evaluating cost of the dependency.  Use compatible interface to
3177         interact with the target.
3178         (priority): Update to use new scheduler dependencies lists.
3179         (rank_for_schedule): Ditto.  Optimize heuristic that prefers the insn
3180         with greater number of insns that depend on the insn.
3181         (schedule_insn): Update to use new scheduler dependencies lists.  Add
3182         code to free backward dependencies lists.  Inline and optimize code
3183         from resolve_dep () - see PR28071.
3184         (ok_for_early_queue_removal): Update to use new scheduler dependencies
3185         lists.  Update call to targetm.sched.is_costly_dependence hook.
3186
3187         (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
3188         scheduler dependencies lists.
3189
3190         (resolve_dep): Remove.  Move the logic to schedule_insn ().
3191         (init_h_i_d): Initialize dependencies lists.
3192
3193         (process_insn_depend_be_in_spec): Rename to
3194         process_insn_forw_deps_be_in_spec.  Update to use new scheduler
3195         dependencies lists.
3196         (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
3197         Update to use new scheduler dependencies lists.
3198         (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
3199
3200         * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
3201         new scheduler dependencies lists.
3202         (build_intra_loop_deps): Ditto.
3203
3204         * target.h (struct _dep): Declare to use in
3205         gcc_target.sched.is_costly_dependence.
3206         (struct gcc_target.sched.adjust_cost): Fix typo.
3207         (struct gcc_target.sched.is_costly_dependence): Change signature to use
3208         single dep_t parameter instead of an equivalent triad.
3209         (struct gcc_target.sched.adjust_cost_2): Remove.
3210
3211         * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
3212
3213         * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
3214
3215         * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
3216         documentation.
3217         (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
3218
3219         * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
3220         (REG_DEP_TRUE): Document.
3221
3222         * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
3223         Change signature to correspond to the targetm.sched.adjust_cost hook.
3224         Update use in TARGET_SCHED_ADJUST_COST_2.
3225         (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
3226         (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
3227         new scheduler dependencies lists.
3228         (ia64_gen_check): Ditto.
3229
3230         * config/mips/mips.c (vr4130_swap_insns_p): Update to use new scheduler
3231         dependencies lists.
3232
3233         * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
3234         signature to correspond to the targetm.sched.is_costly_dependence hook.
3235         (is_costly_group): Update to use new scheduler dependencies lists.
3236
3237         * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
3238         instead of INSN_COST () macro.
3239
3240 2007-02-01  Ian Lance Taylor  <iant@google.com>
3241
3242         * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
3243
3244 2007-02-01  Guy Martin  <gmsoft@gentoo.org>
3245
3246         * pa.md (tp_load): Correct mfctl instruction syntax.
3247
3248 2007-02-01  Geoffrey Keating  <geoffk@apple.com>
3249
3250         * config/rs6000/rs6000.c (rs6000_stack_info): Correct
3251         altivec_padding_size calculation on AIX.  Improve comment, add
3252         assert to verify that it's right.
3253
3254         * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
3255         64-bit.
3256
3257 2007-2-01  Seongbae Park  <seongbae.park@gmail.com>
3258
3259         PR inline-asm/28686
3260         * global.c (global_alloc): Add mising initialization of
3261         ELIMINABLE_REGSET.
3262
3263 2007-02-01  Roger Sayle  <roger@eyesopen.com>
3264
3265         * alias.c (init_alias_analysis): Correct whitespace.
3266         * bb-reorder.c (fix_edges_for_rarely_executed_code,
3267         partition_hot_cold_basic_blocks): Likewise.
3268         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
3269         expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
3270         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
3271         fold_builtin_snprintf_chk, fold_builtin_printf,
3272         fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
3273         do_mpfr_arg3, do_mpfr_sincos): Likewise.
3274         * cfgcleanup.c (cleanup_cfg): Likewise.
3275         * cfgexpand.c (tree_expand_cfg): Likewise.
3276         * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
3277         * function.c (get_next_funcdef_no): Likewise.
3278         * gengtype.c (main): Likewise.
3279         * genmodes.c (main): Likewise.
3280         * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
3281         * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
3282         * ifcvt.c (noce_emit_move_insn): Likewise.
3283         * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
3284         Likewise.
3285         * stor-layout.c (get_best_mode): Likewise.
3286         * tree-ssa-loop-niter.c (get_val_for): Likewise.
3287         * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
3288         scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
3289         perform_var_substitution, solve_graph): Likewise.
3290         * tree-vrp.c (vrp_finalize): Likewise.
3291
3292 2007-02-01  Ian Lance Taylor  <iant@google.com>
3293
3294         * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
3295         high part of a paradoxical subreg, return a constant zero.
3296
3297 2007-02-01  Zdenek Dvorak <dvorakz@suse.cz>
3298
3299         * toplev.c (lang_dependent_init): Call init_set_costs.
3300         * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
3301
3302 2007-02-01  Richard Guenther  <rguenther@suse.de>
3303
3304         PR middle-end/30656
3305         * fold-const.c (fold_negate_expr): Allow negating a
3306         constant if overflow does not change.
3307
3308 2007-02-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3309
3310         * doc/c-tree.texi (Expression trees): Improve markup.
3311         * doc/tm.texi (Register Classes, Addressing Modes)
3312         (Floating Point): Fix spacing after abbreviations.  Fix some
3313         typos.
3314
3315 2007-02-01  Ben Elliston  <bje@au.ibm.com>
3316
3317         * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
3318         * doc/contrib.texi: Likewise.
3319         * doc/install.texi: Likewise.
3320
3321 2007-01-31  Richard Henderson  <rth@redhat.com>
3322             Ian Lance Taylor  <iant@google.com>
3323
3324         * lower-subreg.c: New file.
3325         * rtl.def (CONCATN): Define.
3326         * passes.c (init_optimization_passes): Add pass_lower_subreg and
3327         pass_lower_subreg2.
3328         * emit-rtl.c (update_reg_offset): New static function, broken out
3329         of gen_rtx_REG_offset.
3330         (gen_rtx_REG_offset): Call update_reg_offset.
3331         (gen_reg_rtx_offset): New function.
3332         * regclass.c: Revert patch of 2006-03-05, restoring
3333         reg_scan_update.
3334         (clear_reg_info_regno): New function.
3335         * dwarf2out.c (concatn_loc_descriptor): New static function.
3336         (loc_descriptor): Handle CONCATN.
3337         * common.opt (fsplit_wide_types): New option.
3338         * opts.c (decode_options): Set flag_split_wide_types when
3339         optimizing.
3340         * timevar.def (TV_LOWER_SUBREG): Define.
3341         * rtl.h (gen_reg_rtx_offset): Declare.
3342         (reg_scan_update): Declare.
3343         * regs.h (clear_reg_info_regno): Declare.
3344         * tree-pass.h (pass_lower_subreg): Declare.
3345         (pass_lower_subreg2): Declare.
3346         * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
3347         (Optimize Options): Add -fsplit-wide-types to -O1 list.  Document
3348         -fsplit-wide-types.
3349         * doc/rtl.texi (Regs and Memory): Document concat and concatn.
3350         * Makefile.in (OBJS-common): Add lower-subreg.o.
3351         (lower-subreg.o): New target.
3352
3353 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
3354
3355         * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
3356
3357 2007-01-31  Anatoly Sokolov <aesok@post.ru>
3358
3359         PR target/19087
3360         * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
3361
3362 2007-01-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3363
3364         PR middle-end/29335
3365         * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
3366
3367 2007-01-31  Zdenek Dvorak <dvorakz@suse.cz>
3368
3369         * cfgloop.h: Include vec-prim.h.
3370         (enum li_flags): Remove LI_ONLY_OLD.
3371         (loop_iterator): Changed.
3372         (fel_next, fel_init): Iterate over loop tree.
3373         (FOR_EACH_LOOP_BREAK): New macro.
3374         * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
3375         FOR_EACH_LOOP.
3376         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
3377         * modulo-sched.c (sms_schedule): Ditto.
3378         * tree-vectorizer.c (vectorize_loops): Ditto.
3379         * doc/loop.texi: Update information on loop numbering and behavior of
3380         FOR_EACH_LOOP wrto new loops.
3381         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
3382         add_to_evolution_1): Test nestedness of loops instead of comparing
3383         their numbers.
3384         * tree-chrec.c (chrec_fold_plus_poly_poly,
3385         chrec_fold_multiply_poly_poly, chrec_evaluate,
3386         hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
3387         reset_evolution_in_loop): Ditto.
3388         * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
3389
3390 2007-01-31  Dirk Mueller  <dmueller@suse.de>
3391
3392         * c-common.c (warn_about_parentheses): Separate warning about
3393         un-parenthized sequence of comparison operators from the one
3394         which is supposed to warn about x <= y <= z.
3395
3396 2007-01-31  Uros Bizjak  <ubizjak@gmail.com>
3397
3398         * optabs.h (enum optab_index): Add new OTI_isinf.
3399         (isinf_optab): Define corresponding macro.
3400         * optabs.c (init_optabs): Initialize isinf_optab.
3401         * genopinit.c (optabs): Implement isinf_optab using isinf?f2
3402         patterns.
3403         * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
3404         (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
3405         using isinf_optab.
3406         (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
3407         expand_builtin_interclass_mathfn.
3408         * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
3409         * config/i386/i386.md (UNSPEC_FXAM): New constant.
3410         (fxam<mode>2_i387): New insn pattern.
3411         (isinf<mode>2) New expander to implement isinf, isinff and isinfl
3412         built-in functions as x87 inline asm.
3413
3414 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
3415
3416         * gcc/config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
3417
3418 2007-01-30  Eric Christopher  <echristo@apple.com>
3419
3420         * config.gcc: Add geode.
3421
3422 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
3423
3424         * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
3425         ipa-inline.c, tree-profile.c, tree-ssa-live.c,
3426         tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
3427         value-prof.c: Fix comment typos.
3428
3429 2007-01-30  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3430
3431         PR c++/24745
3432         * doc/invoke.texi (Wpointer-arith): Document warning.
3433
3434 2007-01-30  Janis Johnson  <janis187@us.ibm.com>
3435
3436         * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
3437         the list of discrepancies from the draft TR.
3438
3439 2007-01-30  Dirk Mueller  <dmueller@suse.de>
3440
3441         PR c++/30601
3442         * doc/invoke.texi (-Wreturn-type): Update description to
3443         match new behavior.
3444
3445 2007-01-30  Richard Sandiford  <richard@codesourcery.com>
3446
3447         * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
3448
3449 2007-01-30  Uros Bizjak  <ubizjak@gmail.com>
3450
3451         * builtins.c (expand_builtin_int_interclass_roundingfn): New function
3452         to handle optabs that operate on floating point input argument and
3453         output to integer output.
3454         (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
3455         (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
3456         (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
3457         expand_builtin_interclass_mathfn ().
3458         * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
3459         (ilogbsi2): Remove.
3460         (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
3461         ilogbl built-in functions as x87 intrinsics.
3462
3463 2007-01-30  Richard Guenther  <rguenther@suse.de>
3464
3465         PR middle-end/27657
3466         * dwarf2out.c (reference_to_unused): Query varpool if the
3467         variable was output.
3468
3469 2007-01-30  Richard Guenther  <rguenther@suse.de>
3470
3471         PR middle-end/30313
3472         * passes.c (execute_one_pass): Reset in_gimple_form to not
3473         confuse non-unit-at-a-time mode.
3474
3475 2007-01-29  Roger Sayle  <roger@eyesopen.com>
3476             Richard Guenther  <rguenther@suse.de>
3477
3478         * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
3479         avoid undefined behaviour on overflow.  Use force_fit_type_double
3480         to construct the constant with the specified TREE_OVERFLOW.
3481
3482 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
3483
3484         * config/dfp-bit.c: Add parameterized support for fp exceptions.
3485         * config/dfp-bit.h: Ditto.
3486
3487 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3488
3489         * c-decl.c (pop_scope): Replace warnings with call to
3490         warn_for_unused_label.
3491         * c-common.h (warn_for_unused_label): Declare.
3492         * c-common.c (warn_for_unused_label): Define.
3493
3494 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3495
3496         * tree-optimize.c (update_inlined_to_pointers): Delete unused
3497         function.
3498
3499 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
3500
3501         * Makefile.in (USER_H): Remove decfloat.h.
3502         * ginclude/decfloat.h: Delete, moving contents to ...
3503         * ginclude/float.h: Add support for decimal floating point,
3504         guarded by __STDC_WANT_DEC_FP__.
3505
3506 2007-01-29  Mike Stump  <mrs@apple.com>
3507
3508         * doc/gccint.texi (Top): Rename Loop Representation to Loop
3509         Analysis and Representation to resolve case insensitive conflict.
3510         * doc/loop.texi (Loop Analysis and Representation): Likewise.
3511
3512 2007-01-28  Daniel Berlin  <dberlin@dberlin.org>
3513
3514         * tree.h (struct tree_memory_tag): Add aliases member.
3515         (MTAG_ALIASES): New macro.
3516         * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
3517         (add_may_alias): Remove pointer-set. Update for may_aliases being
3518         a bitmap.
3519         (mark_aliases_call_clobbered): Update for may_aliases being a
3520         bitmap.
3521         (compute_tag_properties): Ditto.
3522         (create_partition_for): Ditto.
3523         (compute_memory_partitions): Ditto.
3524         (dump_may_aliases_for): Ditto.
3525         (is_aliased_with): Ditto.
3526         (add_may_alias_for_new_tag): Ditto.
3527         (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
3528         (compute_is_aliased): New function.
3529         (compute_may_aliases): Call compute_is_aliased).
3530         (init_alias_info): Initialize alias_bitmap_obstack.
3531         (union_alias_set_into): New function.
3532         (compute_flow_sensitive_aliasing): Use union_aliases_into.
3533         (have_common_aliases_p): Rewrite to take two bitmaps and use
3534         intersection.
3535         (compute_flow_insensitive_aliasing): Stop using pointer-sets.
3536         Update for bitmaps.
3537         (finalize_ref_all_pointers): Update for add_may_alias changes.
3538         (new_type_alias): Ditto.
3539         * tree-flow-inline.h (may_aliases): Return a bitmap.
3540         * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
3541         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
3542         may_aliases being a bitmap.
3543         * tree-flow.h (struct var_ann_d): Remove may_aliases member.
3544         may_aliases now returns a bitmap.
3545         * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
3546         being a bitmap.
3547         * tree-ssa-operands.c (add_virtual_operand): Update for
3548         may_aliases being a bitmap.
3549
3550 2007-01-29  Daniel Berlin  <dberlin@dberlin.org>
3551
3552         PR tree-optimization/30630
3553         * tree-ssa-structalias.c (do_complex_constraint): Mark correct
3554         variable as changed.
3555
3556 2007-01-29  Simon Martin  <simartin@users.sourceforge.net>
3557
3558         PR c++/28266
3559         * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
3560         expanded only once even if an error occurs.
3561
3562 2007-01-29  Ben Elliston  <bje@au.ibm.com>
3563
3564         * gcov-io.h (__gcov_indirect_call_profiler): Declare.
3565         (__gcov_average_profiler): Likewise.
3566         (__gcov_ior_profiler): Likewise.
3567         (__gcov_merge_ior): Likewise.
3568
3569 2007-01-28  Jan Hubicka  <jh@suse.cz>
3570
3571         * builtins.c (expand_builtin_memset): Fix typo in my last patch.
3572         * value-prof.c (stringop_block_profile): Likewise.
3573
3574 2007-01-28  Jan Hubicka  <jh@suse.cz>
3575
3576         * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall): Add
3577         variant handling histograms; add wrapper.
3578         (clear_storage_via_libcall): Export.
3579         (emit_block_move_hints): Break out from ...; add histograms.
3580         (emit_block_move): ... this one.
3581         (clear_storage_hints): Break out from ...; add histograms.
3582         (clear_storage): ... this one.
3583         (set_storage_via_memset): Handle histogram.
3584         * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
3585         (clear_storage_hints, clear_storage_via_libcall): Declare.
3586         (set_storage_via_setmem): Update prototype.
3587         * doc/md.texi (movmem, setmem): Document new arguments.
3588
3589         * value-prof.c (dump_histogram_value, tree_find_values_to_profile): Add
3590         new histograms.
3591         (stringop_block_profile): New global function.
3592         (tree_stringops_values_to_profile): Profile block size and alignment.
3593         * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
3594         HIST_TYPE_IOR.
3595         (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
3596         (stringop_block_profile): Declare.
3597         * builtins.c: Include value-prof.h.
3598         (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
3599         * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
3600         (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
3601         (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
3602         * profile.c (instrument_values): Add new counters.
3603         * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
3604         calls.
3605         * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
3606         (tree_init_edge_profiler): Build new profilers.
3607         (tree_gen_average_profiler, tree_gen_ior_profiler): New.
3608         (pass_tree_profile): Add dump.
3609         (tree_profile_hooks): Update.
3610         * Makefile.in (LIBGCOV): Add new constants.
3611         * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
3612         __gcov_ior_profiler): New.
3613         * i386.md (movmem/setmem expanders): Add new optional arguments.
3614
3615 2007-01-28  David Edelsohn  <edelsohn@gnu.org>
3616
3617         * doc/md.texi (Standard Pattern Names): Document blockage pattern.
3618
3619 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
3620
3621         * tree-ssa-loop-unswitch.c: Include tree-inline.h.
3622         (tree_unswitch_single_loop): Pass eni_size_weights to
3623         tree_num_loop_insns.
3624         * tree-ssa-loop-manip.c: Include tree-inline.h.
3625         (can_unroll_loop_p): Pass eni_size_weights to
3626         tree_num_loop_insns.
3627         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
3628         Pass eni_size_weights to estimate_num_insns.
3629         * tree.h (init_inline_once): Export.
3630         * toplev.c (backend_init): Call init_inline_once.
3631         * cgraphunit.c (cgraph_process_new_functions,
3632         cgraph_analyze_function): Pass eni_inlining_weights to
3633         estimate_num_insns.
3634         * ipa-inline.c (compute_inline_parameters): Ditto.
3635         * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
3636         to estimate_num_insns.
3637         (try_unroll_loop_completely): Pass eni_size_weights to
3638         tree_num_loop_insns.
3639         * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
3640         ot estimate_num_insns.
3641         * tree-ssa-loop-prefetch.c: Include tree-inline.h.
3642         (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
3643         * tree-inline.c (eni_inlining_weights, eni_size_weights,
3644         eni_time_weights): New variables.
3645         (init_inline_once): Initialize them.
3646         (struct eni_data): Mew.
3647         (estimate_num_insns_1, estimate_num_insns): Use weights.
3648         * tree-inline.h (struct eni_weights_d): New.
3649         (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
3650         (estimate_num_insns): Declaration changed.
3651         * cfgloop.h (tree_num_loop_insns): Declaration changed.
3652         * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
3653         tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
3654
3655 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
3656
3657         * tree-data-ref.c (conflict_fn): Assert that the number of affine
3658         relations in the conflict function is valid.
3659
3660 2007-01-27  Ian Lance Taylor  <iant@google.com>
3661
3662         * common.opt: Add fstrict-overflow.
3663         * opts.c (decode_options): Set flag_strict_overflow if -O2.
3664         * flags.h (TYPE_OVERFLOW_WRAPS): Define.
3665         (TYPE_OVERFLOW_UNDEFINED): Define.
3666         (TYPE_OVERFLOW_TRAPS): Define.  This replaces TYPE_TRAP_SIGNED.
3667         Replace all uses.
3668         * tree.h (TYPE_TRAP_SIGNED): Don't define.
3669         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
3670         (fold_negate_expr): Likewise.
3671         (make_range): Likewise.
3672         (extract_muldiv_1): Likewise.
3673         (maybe_canonicalize_comparison): Likewise.
3674         (fold_comparison): Likewise.
3675         (fold_binary): Likewise.
3676         (tree_expr_nonnegative_p): Likewise.
3677         (tree_expr_nonzero_p): Likewise.
3678         * tree-vrp.c (compare_values): Likewise.
3679         (extract_range_from_binary_expr): Likewise.
3680         (extract_range_from_unary_expr): Likewise.
3681         * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
3682         Likewise.
3683         (nowrap_type_p): Likewise.
3684         * tree-scalar-evolution.c (simple_iv): Likewise.
3685         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
3686         (build_range_check): Likewise.
3687         (extract_muldiv_1): Likewise.
3688         (fold_comparison): Likewise.
3689         * tree-vrp.c (vrp_int_const_binop): Likewise.
3690         (extract_range_from_unary_expr): Likewise.
3691         * convert.c (convert_to_integer): Likewise.
3692         * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
3693         (fold_comparison): Likewise.
3694         (fold_binary): Likewise.
3695         * optabs.c (optab_for_tree_code): Likewise.
3696         * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
3697         * simplify-rtx.c (simplify_const_relational_operation): Check
3698         flag_strict_overflow and flag_trapv.
3699         (simplify_const_relational_operation): Likewise.
3700         * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
3701         (Optimize Options): Add -fstrict-overflow to -O2 list.  Document
3702         -fstrict-overflow.
3703
3704 2007-01-27  Roger Sayle  <roger@eyesopen.com>
3705
3706         * tree.c (tree_fold_gcd): Delete.
3707         * tree.h (tree_fold_gcd): Remove prototype.
3708         * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
3709         test whether one constant integer is a multiple of another.  Instead
3710         call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
3711         * fold-const.c (multiple_of_p):  We've determined both TOP and
3712         BOTTOM are integer constants so we can call int_const_binop directly
3713         instead of the more generic const_binop.
3714
3715 2007-01-27  Roger Sayle  <roger@eyesopen.com>
3716
3717         * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
3718         1*X check that the constant hasn't overflowed, to preserve the
3719         TREE_OVERFLOW bit.
3720         (round_up): Provide an efficient implementation when rouding-up an
3721         INTEGER_CST to a power-of-two.
3722
3723 2007-01-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3724
3725         * doc/sourcebuild.texi: Add comma for clarity.
3726         * doc/extend.texi: Fix some typos.
3727         * doc/passes.texi: Likewise.
3728         * doc/cppinternals.texi: Likewise.
3729         * doc/c-tree.texi: Likewise.
3730         * doc/tree-ssa.texi: Likewise.
3731         * doc/install.texi: Likewise.
3732
3733 2007-01-27  Jan Hubicka  <jh@suse.cz>
3734
3735         * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
3736         (pass_sra): Do not require alias information.
3737         * passes.c (init_optimization_passes): Add SRA
3738
3739 2007-01-27  Steven Bosscher  <steven@gcc.gnu.org>
3740
3741         * tracer.c (rest_of_handle_tracer): We already cleaned
3742         up the CFG in tracer() so don't do it here again.
3743         * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
3744         cleanup_cfg here, either.  And don't call renumber_insns.
3745
3746         * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
3747         and BB_HEAD are in the insn stream here.  Instead make sure
3748         that BB_INSN is valid on all insns.  Also, do check here that
3749         there are no pending branch predictions...
3750         (rtl_verify_flow_info): ...instead of doing it here.  Checks
3751         for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
3752         here.
3753
3754 2007-01-26  Roger Sayle  <roger@eyesopen.com>
3755
3756         * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
3757         function to simplify/factorize operand order canonicalization.
3758         (ix86_fixup_binary_operands): Reorganize using the above function.
3759         (ix86_binary_operator_ok): Likewise.
3760
3761 2007-01-27  Jakub Jelinek  <jakub@redhat.com>
3762
3763         * genattrtab.c (struct attr_value_list, insn_code_values): Move to
3764         file scope from optimize_attrs.
3765         (simplify_test_exp): If insn_code_values is not NULL, use it to speed
3766         up search.
3767         (optimize_attrs): Clear insn_code_values after freeing it.
3768
3769 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
3770
3771         * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
3772         a parts.base assignment.
3773
3774 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
3775
3776         * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
3777         (compute_subscript_distance, initialize_data_dependence_relation,
3778         finalize_ddr_dependent, analyze_ziv_subscript,
3779         analyze_siv_subscript_cst_affine,
3780         compute_overlap_steps_for_affine_univar,
3781         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
3782         analyze_siv_subscript, analyze_miv_subscript,
3783         analyze_overlapping_iterations, subscript_dependence_tester_1,
3784         compute_self_dependence, free_dependence_relation): Work
3785         with affine_fn instead of chrecs.
3786         (dump_affine_function, dump_conflict_function, affine_function_equal_p,
3787         common_affine_function, affine_function_base,
3788         affine_function_constant_p, affine_fn_op, affine_fn_plus,
3789         affine_fn_minus, affine_fn_free, conflict_fn_not_known,
3790         conflict_fn_no_dependence, free_conflict_function, free_subscripts,
3791         conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
3792         (all_chrecs_equal_p): Removed.
3793         * tree-data-ref.h (affine_fn, conflict_function): New types.
3794         (struct subscript): Change type of conflicting_iterations_in_a
3795         and conflicting_iterations_in_b.
3796
3797 2007-01-26  Steve Ellcey  <sje@cup.hp.com>
3798
3799         PR other/30182
3800         * config/pa/pa.h (TARGET_HPUX_11): New.
3801         * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
3802         * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
3803
3804 2007-01-26  Daniel Berlin  <dberlin@dberlin.org>
3805         Richard Guenther  <rguenther@suse.de>
3806
3807         * tree-ssa-structalias.c (solve_graph): Handle case
3808         we merged the variable to another.
3809
3810 2007-01-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3811
3812         * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
3813         functions.
3814
3815         * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
3816         catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
3817
3818 2007-01-25  DJ Delorie  <dj@redhat.com>
3819
3820         * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
3821         allow changes to modes which don't fit in those registers.
3822
3823         * reload1.c (choose_reload_regs): Check for invalid subregs before
3824         computing their locations, not after.
3825
3826 2007-01-25  Geoffrey Keating  <geoffk@apple.com>
3827
3828         PR 25127
3829         * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
3830         save Altivec registers in an eh_return function.
3831         (compute_vrsave_mask): Likewise.
3832         (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
3833         for saving Altivec registers.
3834         (rs6000_emit_prologue): Don't allocate stack twice in
3835         eh_return function.  Correct expected value of altivec_save_offset
3836         when using save_world.  Describe save of R0 to stack when using
3837         save_world.  Describe stack pointer adjustment when using
3838         save_world.  Remove duplicated eh_return parameter register saving.
3839         Update sp_offset variable after save_world.
3840         * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
3841         darwin-world.asm.
3842         (LIB2FUNCS_EXTRA): Add darwin-world.asm.
3843         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
3844         implies Altivec.
3845
3846 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
3847
3848         * config.gcc (ia64*-*-hpux*): Make posix threads the default.
3849
3850 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
3851
3852         PR other/30182
3853         * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
3854         * config/ia64/ia64.c (ia64_init_builtins):  Ditto.
3855
3856 2007-01-25  Richard Guenther  <rguenther@suse.de>
3857
3858         * doc/invoke.texi (-Wcoverage-mismatch): Document.
3859         * common.opt (-Wcoverage-mismatch): New warning option.
3860         * coverage.c (get_coverage_counts): Ignore coverage mismatch
3861         if -Wcoverage-mismatch is given.
3862
3863 2007-01-25  Razya Ladelsky  <razya@il.ibm.com>
3864
3865         * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
3866         (ipcp_driver): Change to static definition.
3867         Add dumping of the ifunctions.
3868         (constant_val_insert): Remove unused parameter. Support for SSA.
3869         (ipcp_propagate_const): Support for SSA.
3870         (ipcp_profile_bb_print): Print only analyzed nodes.
3871         (ipcp_replace_map_create): Remove support for Fortran constant
3872         for now.
3873         * ipa-prop.c (ipa_method_modify_stmt,
3874         ipa_callsite_compute_param): Support for SSA.
3875         * ipa-prop.h (ipcp_driver): Remove declaration.
3876         (IS_VALID_TREE_MAP_INDEX): Add define.
3877
3878 2007-01-24  Geoffrey Keating  <geoffk@apple.com>
3879
3880         * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
3881
3882 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3883
3884         PR middle-end/30447
3885         * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
3886         constant argument to cabs and do it without checking for
3887         -funsafe-math-optimizations.
3888
3889 2007-01-24  Douglas Gregor  <dgregor@osl.iu.edu>
3890
3891         * c-common.h (RID_FIRST_CXX0X): New.
3892         (RID_LAST_CXX0X): New.
3893         * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
3894         by -Wall.
3895         * c.opt (Wc++0x-compat): New.
3896         * doc/invoke.texi (-Wc++0x-compat): Document.
3897
3898 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3899
3900         * builtins.c (fold_builtin_carg): New.
3901         (fold_builtin_1): Use it.
3902
3903 2007-01-24  Jan Hubicka  <jh@suse.cz>
3904
3905         * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
3906
3907         * ipa-inline.c (initial_insns, max_insns): Delete.
3908         (compute_max_insns): New function.
3909         (cgraph_decide_inlining_of_small_function): Use it; take minimal amount
3910         of insns as base for code growth.
3911         (cgraph_decide_inlining): Make initial_insns local; do not compute
3912         max_insns.
3913         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
3914         * doc/invoke.texi (inline-unit-growth): Update docs.
3915
3916 2007-01-24  Jakub Jelinek  <jakub@redhat.com>
3917
3918         * config/i386/i386.h (x86_cmpxchg16b): Remove const.
3919         (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
3920         * config/i386/i386.c (x86_cmpxchg16b): Remove const.
3921         (override_options): Add PTA_CX16 flag.  Set x86_cmpxchg16b
3922         for CPUs that have PTA_CX16 set.
3923
3924         PR middle-end/27416
3925         * gimplify.c (omp_check_private): New function.
3926         (gimplify_scan_omp_clauses): Use it for
3927         firstprivate/lastprivate/reduction.
3928
3929         PR middle-end/30494
3930         * gimplify.c (omp_add_variable): Don't call omp_notice_variable
3931         on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
3932
3933         PR middle-end/30421
3934         * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
3935         If lower_lastprivate_clauses emits some statements, append them
3936         to dlist rather than body_p and to body_p append an initializer.
3937         (lower_omp_for): Adjust caller.
3938
3939 2007-01-24  Steve Ellcey  <sje@cup.hp.com>
3940
3941         * target.h (globalize_decl_name): New.
3942         * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
3943         * output.h (default_globalize_decl_name): New.
3944         * varasm.c (asm_output_bss): Use globalize_decl_name instead of
3945         globalize_label.
3946         (globalize_decl): Ditto.
3947         (default_globalize_decl_name): New.
3948         * config/ia64/ia64.c (ia64_globalize_decl_name): New.
3949         (ia64_handle_version_id_attribute): New.
3950         (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
3951         (ia64_asm_output_external): Use globalize_decl_name instead
3952         of globalize_label.
3953         * doc/extend.texi (version_id): New pragma.
3954         * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
3955
3956 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
3957
3958         * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
3959         _uleb128_t and _Unwind_SWord with _sleb128_t.
3960         * unwind-dw2.c (extract_cie_info, execute_stack_op, execute_cfa_program,
3961         uw_frame_state_for, uw_update_context_1): Likewise.
3962         * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
3963         * unwind-pe.h (read_uleb128, read_sleb128,
3964         read_encoded_value_with_base): Likewise.
3965         * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
3966
3967 2007-01-24  Richard Guenther  <rguenther@suse.de>
3968
3969         * builtins.c (expand_builtin_cexpi): Get the fndecl
3970         for cexp in the correct way.
3971
3972 2007-01-24  Jan Hubicka  <jh@suse.cz>
3973
3974         * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS of calls.
3975
3976 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
3977
3978         * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
3979         (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
3980         __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
3981         __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
3982         __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
3983         __SIZEOF_PTRDIFF_T__.
3984         * doc/cpp.texi: Documentation for the new builtin macros added.
3985
3986 2007-01-24  Uros Bizjak  <ubizjak@gmail.com>
3987
3988         * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
3989         log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
3990         instead of operands[2] to avoid access past the end of array.
3991
3992 2007-01-24  Richard Sandiford  <richard@codesourcery.com>
3993
3994         * reload1.c (emit_reload_insns): Pass the reload register
3995         for a non-spill output reload through forget_old_reloads_1.
3996
3997 2007-01-23  Joseph Myers  <joseph@codesourcery.com>
3998
3999         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
4000         _SOFT_DOUBLE if doubles use software floating-point.
4001         * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
4002         double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
4003         * config/rs6000/darwin-ldouble.c: Also compile functions for
4004         hard-float without FPRs.  Use fmsub function for all __NO_FPRS__
4005         cases.  Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
4006         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
4007         commented-out long double override.
4008         (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
4009         * config/rs6000/eabispe.h: Likewise.
4010         * config/rs6000/rs6000.c (rs6000_override_options): Don't override
4011         long double for non-SPE.
4012         (rs6000_handle_option): Likewise.
4013         (invalid_e500_subreg): Disallow more subregs involding DImode,
4014         DFmode, TImode or TFmode.
4015         (rs6000_legitimate_offset_address_p): Check TFmode offsets for
4016         E500 double.
4017         (legitimate_lo_sum_address_p): Also check for TFmode for E500
4018         double.
4019         (rs6000_legitimize_address): Also handle TFmode for E500 double.
4020         (rs6000_legitimize_reload_address): Also handle TFmode for E500
4021         double.
4022         (rs6000_legitimate_address): Also check for TFmode for E500
4023         double.
4024         (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
4025         (spe_build_register_parallel): Handle TFmode and TCmode.
4026         (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
4027         double.
4028         (function_arg): Handle TFmode and TCmode for E500 double.
4029         (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
4030         in general.
4031         (print_operand): Handle TFmode and TImode for %y.
4032         (rs6000_generate_compare): Handle TFmode comparisons for E500
4033         double.
4034         (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
4035         (rs6000_function_value): Handle TFmode and TCmode for E500 double.
4036         (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
4037         * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
4038         TFmode for E500 double.
4039         * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
4040         (floatsidf2): Enable for E500 double.
4041         (movtf_softfloat): Use rs6000_nonimmediate_operand.
4042         (extenddftf2): Change to extenddftf2_fprs.
4043         (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
4044         depending on TARGET_E500_DOUBLE.
4045         (extendsftf2): Enable for E500 double.
4046         (trunctfdf2): Enable for E500 double.
4047         (trunctfsf2): Change to trunctfsf2_fprs.
4048         (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
4049         depending on TARGET_E500_DOUBLE.
4050         (floatsitf2): Enable for E500 double.
4051         (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
4052         (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
4053         gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
4054         (negtf2): Change to negtf2_internal.
4055         (negtf2): New expander.
4056         (abstf2): Enable for E500 double.  Call gen_spe_abstf2_tst,
4057         gen_spe_abstf2_cmp or gen_abstf2_internal depending on
4058         TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
4059         (movdi_internal32): Use rs6000_nonimmediate_operand.
4060         (unnamed splitter): Likewise.
4061         * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
4062         TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
4063         (SPE64TF, DITI): New mode macros.
4064         (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
4065         modes.
4066         (frob_tf_ti): New.
4067         (frob_<mode>_di_2): New.
4068         (frob_tf_di_8_2): New.
4069         (frob_di_df): Change to frob_di_<mode>; allow more modes.
4070         (frob_ti_tf): New.
4071         (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
4072         more modes.
4073         (frob_ti_<mode>_8_2): New.
4074         (frob_ti_tf_2): New.
4075         (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
4076         mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
4077         TFmode.
4078         (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
4079         mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
4080         (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
4081         spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
4082         spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
4083         (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
4084         tsttflt_gp): New.
4085
4086 2007-01-23  Ian Lance Taylor  <iant@google.com>
4087
4088         * Makefile.in (OBJS-common): Reformat, alphabetize, but put
4089         insn-*.o first.
4090         (OBJS-archive): Reformat, alphabetize.
4091         (OBJS): Change out_object_file to OBJS-md.
4092
4093 2007-01-23  Uros Bizjak  <ubizjak@gmail.com>
4094
4095         * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
4096         JUMP_P and CALL_P predicates where applicable.
4097         * config/i386/i386.c: Ditto.
4098         * config/i386/i386.md: Ditto.
4099         * config/i386/mmx.md: Ditto.
4100         * config/i386/predicates.md: Ditto.
4101
4102 2007-01-22  Andreas Schwab  <schwab@suse.de>
4103
4104         * config/m68k/m68k.h: Fix comment.
4105
4106 2007-01-22  Jan Hubicka  <jh@suse.cz>
4107
4108         * passes.c (init_optimization_passes): Do not rerun
4109         pass_early_warn_uninitialized.
4110
4111 2007-01-22  Richard Guenther  <rguenther@suse.de>
4112
4113         PR tree-optimization/30038
4114         * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
4115         function.
4116         (execute_cse_sincos_1): Likewise.
4117         (execute_cse_sincos): Likewise.
4118         (gate_cse_sincos): Likewise.
4119         (pass_cse_sincos): New pass CSEing sin() and cos() calls using
4120         the cexpi() canonicalization of sincos().
4121         * tree-pass.h (pass_cse_sincos): Declare.
4122         * passes.c (init_optimization_passes): New pass pas_cse_sincos.
4123
4124 2007-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
4125
4126         PR rtl-optimization/29329
4127         * combine.c (replaced_rhs_insn): Rename to i2mod.
4128         (replaced_rhs_value): Rename to i2mod_new_rhs.
4129         (i2mod_old_rhs): New global variable.
4130         (combine_instructions): Adjust for above change.  Save a copy of
4131         the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
4132         note are substituted in the second instruction.
4133         (distribute_notes) <REG_DEAD>: Adjust for above change.  Do not
4134         ditch the note if it pertains to the second eliminated register
4135         and this register is mentioned in i2mod_old_rhs.
4136
4137         Revert:
4138         2006-09-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
4139
4140         * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
4141         the insn to which the note was originally attached.
4142
4143 2007-01-21  Jan Hubicka  <jh@suse.cz>
4144
4145         * ipa-inline.c (inlining_mode): Comment, move up.
4146         (cgraph_decide_inlining_incrementally): Do not perform inlining
4147         itself; fix handling of flattening of self recursive functions.
4148         (cgraph_find_cycles): Remove.
4149         (cgraph_flatten_node): Remove.
4150         (cgraph_decide_inlining): Use incremental inliner to handle flattening.
4151         (try_inline): New function.
4152         (cgraph_early_inlining): Update call of
4153         cgraph_decide_inlining_incrementally.  Apply inlining here.
4154         (apply_inline): Update call of cgraph_decide_inlining_incrementally.
4155
4156 2007-01-21  Dirk Mueller  <dmueller@suse.de>
4157
4158         PR bootstrap/30511
4159         * tree-vrp.c (check_array_bounds): do not warn
4160         about ADDR_EXPR's of ARRAY_REF's which are immediately
4161         used in binary expressions.
4162
4163 2007-01-21  Ira Rosen  <irar@il.ibm.com>
4164
4165         * tree-vectorizer.h (struct _stmt_vec_info): Add new field
4166         read_write_dep and macros for its access.
4167         * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
4168         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
4169         argument, call vect_check_interleaving for every independent pair of
4170         data-refs. Mark loads that access the same memory location as a store
4171         in the loop.
4172         (vect_check_dependences): Remove.
4173         (vect_analyze_data_ref_dependences): Remove  vect_check_dependences
4174         call, fix the call to vect_analyze_data_ref_dependence.
4175         (vect_analyze_data_ref_access): For statements that access the same
4176         data-ref, check that they are not stores; for loads, check that there
4177         is no store that access the same location.
4178
4179 2007-01-20  Roger Sayle  <roger@eyesopen.com>
4180             Joseph Myers  <joseph@codesourcery.com>
4181
4182         * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
4183         (-fdump-rtl-stack): Likewise.
4184         (-fno-signed-zeros): Use @minus{} for a minus sign.  Correct typo.
4185         (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
4186         (-mpt-fixed): Use @minus{} for minus sign.
4187         (Using Precompiled Headers): Fix under/overfull hbox.
4188
4189 2007-01-20  Jan Hubicka  <jh@suse.cz>
4190
4191         * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
4192         place within annotation.
4193
4194 2007-01-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4195
4196         * pa.c (output_move_double): Change array size of xoperands to 4.
4197
4198 2007-01-20  Jan Hubicka  <jh@suse.cz>
4199
4200         * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
4201         as temporary.
4202
4203 2007-01-19  Ian Lance Taylor  <iant@google.com>
4204
4205         * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
4206         constant to unsigned HOST_WIDE_INT before negating.
4207
4208 2007-01-19  Ian Lance Taylor  <iant@google.com>
4209
4210         * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
4211         to unsigned.
4212         (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
4213         (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
4214         (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
4215         (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
4216         (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
4217         (realloc_vdef, realloc_vuse): Change second parameter to
4218         unsigned.
4219         (ssa_operand_iterator_d): Change vuse_index and mayuse_index
4220         fields to unsigned.
4221         * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
4222         unsigned. Change x and lim locals to unsigned.
4223         (realloc_vdef, realloc_vuse): Change num_elem parameter to
4224         unsigned.
4225         (finalize_ssa_vuse_ops): Change old_i local to unsigned.
4226         (copy_virtual_operands): Change i and n locals to unsigned.
4227
4228 2007-01-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4229
4230         PR middle-end/29335
4231         * builtins.c (fold_builtin_1): Handle builtin fdim.
4232
4233 2007-01-20  Jan Hubicka  <jh@suse.cz>
4234
4235         * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
4236         * tree-ssa-structalias.c (compute_points_to_sets): Do call
4237         init_alias_heapvars.
4238         (init_alias_heapvars): Initialize only when not already initialized.
4239         (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
4240
4241 2007-01-19  Roger Sayle  <roger@eyesopen.com>
4242
4243         * common.opt (fsigned-zeros): New command line option.
4244         * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
4245         of flag_unsafe_math_optimizations.
4246         * opts.c (set_fast_math_flags): The -ffast-math command line option
4247         implies -fno-signed-zeros.
4248         (fast_math_flags_set_p): Likewise.
4249
4250         * doc/invoke.texi: Document new -fno-signed-zeros option, and update
4251         the documentation of -ffast-math appropriately.  Wrap long lines.
4252
4253 2007-01-19  Steve Ellcey  <sje@cup.hp.com>
4254
4255         * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
4256         * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
4257
4258 2007-01-19  Tomas Bily  <tbily@suse.cz>
4259
4260         * cgraphunit.c (cgraph_finalize_function): Updating of pid
4261         * tree-profile.c:
4262         (tree_init_ic_make_global_vars): New function
4263         (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
4264         (tree_gen_ic_profiler): New function
4265         (tree_gen_ic_func_profiler): New function
4266         (tree_profiling): Added calling of tree_gen_ic_func_profiler
4267         (tree_profile_hooks): Added hook for indirec/virtual calls
4268         * value-prof.c (tree_find_values_to_profile): New case for
4269         indirect calls
4270         (tree_values_to_profile): Call for determining indirect/virtual
4271         counters
4272         (tree_indirect_call_to_profile): New function
4273         (tree_ic_transform): New function
4274         (tree_ic): New function
4275         (find_func_by_pid): New function
4276         (init_pid_map): New function
4277         (tree_value_profile_transformations): Added check for
4278         indirect/virtual call transformation
4279         * value-prof.h (enum hist_type): New counter type for
4280         indirect/virtual calls
4281         (profile_hooks): Added new hook for profiling indirect/virtual
4282         calls
4283         * profile.c (instrument_values): New case for indirect/virtual
4284         call added
4285         * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
4286         (GCOV_COUNTER_V_INDIR): New counter type
4287         (GCOV_COUNTER_NAMES): New name of counter "indirect" added
4288         (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
4289         call added
4290         * cgraph.c: Definition of cgraph_max_pid
4291         (cgraph_create_node): Default init of pid attribute
4292         * cgraph.h: Declaration of cgraph_max_pid
4293         (struct cgraph_node): Added pid attribute
4294         * libgcov.c (__gcov_indirect_call_profiler): New function
4295         (__gcov_one_value_profiler_body): New function
4296         (__gcov_one_value_profiler): Body was moved to
4297         __gcov_one_value_profiler_body and calls it
4298
4299 2007-01-19  Basile Starynkevitch  <basile@starynkevitch.net>
4300
4301         * doc/gty.texi (Options): Document the mark_hook option to GTY.
4302         * gengtype.c (write_types_data, write_func_for_structure,
4303         write_types, ggc_wtd, pch_wtd): Add skip_hooks to
4304         write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
4305         (walk_type, write_func_for_structure): Generate the mark_hook if
4306         needed.
4307
4308 2007-01-19  Jan Hubicka  <jh@suse.cz>
4309
4310         * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
4311         'early' argument take inlining mode argument specifying whether to
4312         inline for size/speeed or all functions; add support for flattening;
4313         improve dumpting.
4314         (cgraph_early_inlining): Update call of decide_inlining_incrementally.
4315
4316 2007-01-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4317
4318         PR c++/17947
4319         * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
4320         the name of the declared identifier.
4321
4322 2007-01-19  Dirk Mueller  <dmueller@suse.de>
4323
4324         * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
4325         result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
4326         duplicate evaluation.
4327
4328 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
4329
4330         * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
4331         Macroize expander using X87MODEF12 mode macro.  Extend operand 1
4332         to XFMode, use acosxf2 and truncate result to requested mode.
4333         Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
4334         (asin<mode>2): Similarly, with asin expanders.
4335         (*fscalexf4_i387): Rename from *fscalexf4.
4336         (expNcorexf3): New expander.
4337         (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
4338         (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
4339         X87MODEF12 mode macro.  Extend operand 1 to XFMode, use expxf2 and
4340         truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
4341         patterns for SSE math.
4342         (exp10<mode>2): Similarly, with exp10 expanders.
4343         (exp2<mode>2): Similarly, with exp2 expanders.
4344         (expm1<mode>2): Similarly, with expm1 expanders.
4345         (ldexp<mode>3): Similarly, with ldexp expanders.
4346         (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
4347         Use gen_truncxf<mode>2_i387_noop to truncate result.
4348
4349 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
4350
4351         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
4352         for ColdFire targets.
4353
4354 2007-01-19  Nathan Sidwell  <nathan@codesourcery.com>
4355             Richard Sandiford  <richard@codesourcery.com>
4356
4357         * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
4358         (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
4359         (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
4360         * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
4361         (M68K_STATIC_CHAIN_REG_NAME): Likewise.
4362         * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
4363
4364 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
4365
4366         * config/m68k/m68k.md (adddi_dilshr32): Rename to...
4367         (*adddi_dilshr32): ...this.  Fix formatting.  Remove commented-out
4368         non-canonical pattern.  Restrict to !TARGET_COLDFIRE.
4369         (*adddi_dilshr32_cf): New pattern.
4370         (adddi3, subdi3): Remove first alternatives.
4371
4372 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
4373
4374         * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
4375         implemented using move.l, do not use its cc result for floating-point
4376         comparisons.
4377
4378 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
4379
4380         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
4381         from accepting 's' constraints if flag_pic.
4382
4383 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
4384
4385         * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
4386         (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
4387         (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
4388         condition from TARGET_68881 to TARGET_HARD_FLOAT.
4389
4390 2007-01-19  Sandra Loosemore  <sandra@codesourcery.com>
4391
4392         * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
4393         ColdFire alternatives.
4394         * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
4395         * config/m68k/m68k.md (clzsi2):  Define for ColdFire
4396         architectures that support ff1 instruction.
4397
4398 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
4399             Julian Brown  <julian@codesourcery.com>
4400
4401         * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
4402         * config/m68k/m68k.md (*movsi_cfv4): Fold into...
4403         (*movsi_cf): ...here.  Remove unnecessary 'R' from 'Rg'.
4404         Add commentary.
4405
4406 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
4407
4408         * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
4409         and return a bool.
4410         (output_move_const_into_data_reg, output_move_simode_const): Delete.
4411         * config/m68k/m68k.c (const_method, const_int_cost): Take a
4412         HOST_WIDE_INT instead of an rtx.
4413         (m68k_rtx_costs): Update call accordingly.
4414         (output_move_const_into_data_reg): Likewise.  Fix formatting.
4415         (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
4416         Return a bool.
4417         (output_move_simode_const): Update calls after above changes.
4418         Rework to use automatic variables and predicates like MEM_P.
4419         * config/m68k/m68k.md (pushexthisi_const): Update call to
4420         valid_mov3q_const.
4421
4422 2007-01-19  Dirk Mueller  <dmueller@suse.de>
4423
4424         * tree-ssa-alias.c (perform_var_substitution): Fix typo
4425         in dump_flags test.
4426
4427 2007-01-19  Richard Guenther  <rguenther@suse.de>
4428
4429         * builtins.c (expand_builtin_cexpi): Fall back to expanding
4430         via cexp in case sincos is not available.
4431
4432 2007-01-19  Richard Guenther  <rguenther@suse.de>
4433
4434         * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
4435         * defaults.h (TARGET_HAS_SINCOS): Default to off.
4436         * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
4437         * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
4438         * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
4439         * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
4440         * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
4441         * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
4442
4443 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
4444
4445         * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
4446         New insn patterns.
4447         (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
4448         (atan2xf3): Directly generate RTL pattern.
4449         (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
4450         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
4451         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
4452         disable patterns for SSE math.
4453         (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
4454         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
4455         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
4456         disable patterns for SSE math.
4457
4458 2007-01-19  Alexandre Oliva  <aoliva@redhat.com>
4459
4460         * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
4461
4462 2007-01-18  Roger Sayle  <roger@eyesopen.com>
4463
4464         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
4465         VIEW_CONVERT_EXPR to the same type as it's operand.
4466
4467 2007-01-18  David Edelsohn  <edelsohn@gnu.org>
4468
4469         * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
4470         configured for long double 128.
4471
4472 2007-01-18  Mike Stump  <mrs@apple.com>
4473
4474         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
4475         error.
4476
4477 2007-01-18  Michael Meissner  <michael.meissner@amd.com>
4478
4479         * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
4480         type correct.
4481
4482 2007-01-18  Jan Hubicka  <jh@suse.cz>
4483
4484         * tree-ssa-operands.c (vop_free_bucket_size): Never return value
4485         greater than NUM_VOP_FREE_BUCKETS.
4486
4487 2007-01-18  Daniel Berlin  <dberlin@dberlin.org>
4488
4489         * tree-ssa-structalias.c: Update comments.
4490         (ptabitmap_obstack): Removed.
4491         (pta_obstack): New.
4492         (oldpta_obstack): Ditto.
4493         (stats): Add a few members.
4494         (struct variable_info): Remove node, complex, address_taken, and
4495         indirect_target members. Add oldsolution member.
4496         (new_var_info): Do not initialize removed members.
4497         (constraint_expr_type): Remove INCLUDES.
4498         (constraint_graph): Add size, implicit_preds, rep,
4499         indirect_cycles, eq_rep, label, direct_nodes, and complex members.
4500         (FIRST_REF_NODE): New macro.
4501         (LAST_REF_NODE): Ditto.
4502         (FIRST_ADDR_NODE): Ditto.
4503         (find): New function.
4504         (unite): Ditto.
4505         (dump_constraint): Do not handle INCLUDES.
4506         (insert_into_complex): Do not insert duplicate constraints.
4507         (condense_varmap_nodes): Renamed and rewritten into ...
4508         (merge_node_constraints): This. Also fix bug in handling of
4509         offseted copy constraints.
4510         (clear_edges_for_node): No longer need to deal with preds at all,
4511         or removing associated preds/succs.
4512         (merge_graph_nodes): Deal with indirect_cycles.
4513         Don't deal with predecessors.
4514         (add_implicit_graph_edge): New function.
4515         (add_pred_graph_edge): Ditto.
4516         (add_graph_edge): Don't deal with predecessors.
4517         (build_constraint_graph): Removed.
4518         (build_pred_graph): New function.
4519         (build_succ_graph): Ditto.
4520         (struct scc_info): Removed in_component. Added roots, dfs, and
4521         node_mapping. Remove visited_index, unification_queue.
4522         (scc_visit): Deal with union-find we do now.
4523         Deal with cycles with REF nodes.
4524         (collapse_nodes): Renamed and rewritten to ...
4525         (unify_nodes): This.
4526         (process_unification_queue): Removed.
4527         (topo_visit): Cleanup
4528         (do_da_constraint): Use find.
4529         (do_sd_constraint): Ditto.
4530         (do_ds_constraint): Ditto.
4531         (do_complex_constraint): Ditto.
4532         (init_scc_info): Update for removed and added members.
4533         (find_and_collapse_graph_cycles): Renamed and rewritten into ...
4534         (find_indirect_cycles): This.
4535         (equivalence_class): New variable.
4536         (label_visit): New function.
4537         (perform_variable_substitution): Rewritten.
4538         (free_var_substitution_info): New function.
4539         (find_equivalent_node): Ditto.
4540         (move_complex_constraints): Ditto.
4541         (eliminate_indirect_cycles): Ditto.
4542         (solve_graph): Only propagate changed bits.
4543         Use indirect cycle elimination.
4544         Use find.
4545         (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
4546         (tree_id_eq): Renamed to ...
4547         (tree_vi_eq): This. Update for member change
4548         (insert_id_for_tree): Renamed and rewritten to ...
4549         (insert_vi_for_tree): This.
4550         (lookup_id_for_tree): Renamed and rewritten to ...
4551         (lookup_vi_for_tree): This.
4552         (get_id_for_tree): Renamed and rewritten to ...
4553         (get_vi_for_tree): Ditto.
4554         (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
4555         (process_constraint): Don't handle INCLUDES.
4556         Remove special ADDRESSOF case.
4557         (find_func_aliases): Rewrite to use vi functions instead of id
4558         ones.
4559         (create_function_info_for): Ditto.
4560         (create_variable_info_for): Ditto.
4561         (intra_create_variable_infos): Ditto.
4562         (merge_smts_into): Ditto.
4563         (find_what_p_points_to): Ditto.
4564         (init_base_vars): Ditto.
4565         (init_alias_vars): Ditto.
4566         (remove_preds_and_fake_succs): New function.
4567         (dump_sa_points_to_info): Dump new stats.
4568         (dump_solution_for_var): Use find.
4569         (set_used_smts): Fix formatting.
4570         (compute_points_to_sets): Updated for new functions.
4571         (ipa_pta_execute): Ditto.
4572
4573 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
4574             Richard Sandiford  <richard@codesourcery.com>
4575
4576         * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
4577         parallels.
4578         * calls.c (expand_call): If the return value is a PARALLEL,
4579         extract its first member.
4580         * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
4581         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
4582         use FUNCTION_EXTRA_EPILOGUE.
4583         (m68k_function_value): Return a PARALLEL if the return value
4584         is of a pointer type.
4585         * config/m68k/netbsd-elf.h (current_function_returns_pointer)
4586         (FUNCTION_EXTRA_EPILOGUE): Remove.
4587         * config/m68k/m68k.md (D0_REG): New constant.
4588
4589 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
4590
4591         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
4592         output a NOP for empty epilogues.
4593
4594 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4595
4596         * config/m68k/m68k.c (m68k_use_return_insn): Update comments
4597         before function.  Extend register save check to include all
4598         registers, not just integer ones.
4599
4600 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
4601
4602         * config/m68k/m68k-protos.h (use_return_insn): Rename to...
4603         (m68k_use_return_insn): ...this.
4604         * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
4605         * config/m68k/m68k.c (use_return_insn): Rename to...
4606         (m68k_use_return_insn): ...this.
4607         * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
4608         of USE_RETURN_INSN.
4609
4610 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
4611
4612         * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
4613         nearest even, fix denormal rounding overflow.
4614
4615 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4616
4617         * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
4618         f%$smove and f%$move.
4619         (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
4620         (extendsfdf2_cf): Use fdmove instead of f%&move.
4621         (truncdfsf2_cf): Use fsmove instead of f%$smove.
4622         (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
4623
4624 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4625
4626         * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
4627         GPR<-GPR moves.
4628
4629 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4630
4631         * real.h (real_format): Add a canonical_nan_lsbs_set field.
4632         (coldfire_single_format): Declare.
4633         (coldfire_double_format): Likewise.
4634         * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
4635         of qnan_msb_set to determine the lower bits of a canonical
4636         NaN significand.
4637         (encode_ieee_double): Likewise.
4638         (encode_ieee_quad): Likewise.
4639         (ieee_single_format): Initialize canonical_nan_lsbs_set.
4640         (mips_single_format): Likewise.
4641         (ieee_double_format): Likewise.
4642         (mips_double_format): Likewise.
4643         (ieee_extended_motorola_format): Likewise.
4644         (ieee_extended_intel_96_format): Likewise.
4645         (ieee_extended_intel_128_format): Likewise.
4646         (ieee_extended_intel_96_round_53_format): Likewise.
4647         (ibm_extended_format): Likewise.
4648         (mips_extended_format): Likewise.
4649         (ieee_quad_format): Likewise.
4650         (mips_quad_format): Likewise.
4651         (vax_f_format): Likewise.
4652         (vax_d_format): Likewise.
4653         (vax_g_format): Likewise.
4654         (i370_single_format): Likewise.
4655         (i370_double_format): Likewise.
4656         (decimal_single_format): Likewise.
4657         (decimal_double_format): Likewise.
4658         (decimal_quad_format): Likewise.
4659         (c4x_single_format): Likewise.
4660         (c4x_extended_format): Likewise.
4661         (real_internal_format): Likewise.
4662         (coldfire_single_format): New real_format.
4663         (coldfire_double_format): Likewise.
4664         * config/pdp11/pdp11.c (pdp11_f_format): Initialize
4665         canonical_nan_lsbs_set.
4666         (pdp11_d_format): Likewise.
4667         * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
4668         if TARGET_COLDFIRE_CPU.
4669
4670 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4671
4672         * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
4673         (output_call, m68k_legitimize_call_address): Declare.
4674         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
4675         parenthesees.  Add support for a 'W' constraint.
4676         (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
4677         (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
4678         (m68k_symbolic_call, m68k_symbolic_jump): Declare.
4679         * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
4680         variables.
4681         (override_options): Initialize them.  Do not set flag_no_function_cse
4682         for TARGET_ID_SHARED_LIBRARY.
4683         (m68k_output_pic_call): Delete.
4684         (m68k_legitimize_call_address): New function.
4685         (print_operand): Remove the %o prefix.  Handle the %p prefix.
4686         (output_call): New function.
4687         (m68k_output_mi_thunk): Use m68k_symbolic_jump.  Always load the
4688         target address from the GOT if symbolic jumps are not allowed.
4689         * config/m68k/m68k.md (call, general_operand): Do not set
4690         SYMBOL_REF_FLAG.  Use m68k_legitimize_call_address instead.
4691         Merge separate flag_pic and !flag_pic define_insns into...
4692         (*call, *call_value): ...these new patterns.  Match the address
4693         rather than the containing MEM and require it to be a call_operand.
4694         Use output_call to generate the asm template.
4695         * config/m68k/predicates.md (const_call_operand): New predicate.
4696         (call_operand): Likewise.
4697
4698 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
4699
4700         * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
4701         (STACK_GROWS_DOWNWARD): Define to 1.
4702         (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
4703         comments, emphasizing that these values are only defaults.
4704         * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
4705         * config/m68k/m68k.c (const_method): Remove trailing whitespace.
4706
4707 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4708
4709         * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
4710
4711 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
4712             Richard Sandiford  <richard@codesourcery.com>
4713
4714         * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
4715         (FP_REGNO_P): New macros.
4716         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
4717         (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
4718         (EH_RETURN_STACKADJ_RTX): Use A0_REG.
4719         * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
4720
4721 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
4722
4723         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
4724         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
4725         to $tmake_file.
4726         * config/m68k/t-floatlib: New file, extracting common code from...
4727         * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
4728         * config/m68k/t-uclinux: Here.
4729         * config/m68k/fpgnulib.c: Do not compile extendeed precision
4730         routines on ColdFire targets.
4731
4732 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
4733
4734         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
4735         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
4736         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
4737         (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
4738         explicitly set MOTOROLA to 1.
4739         * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
4740
4741 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4742             Nathan Sidwell  <nathan@codesourcery.com>
4743
4744         * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
4745         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
4746         * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
4747         * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
4748         * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
4749         * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
4750         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
4751         (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
4752         (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
4753         * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
4754         * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
4755         (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
4756         (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
4757         (DBX_REGISTER_NUMBER): Delete.
4758         * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
4759         (PCC_STATIC_STRUCT_RETURN): Don't undefine.
4760         * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
4761
4762 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4763
4764         * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
4765         * config/flat.h: New file.
4766         * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
4767         OBJECT_FORMAT_FLAT.
4768         * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
4769         indirect references for -msep-data or -mid-shared-library.
4770         Do not use PC-relative code addresses either.
4771         * config/m68k/m68k.c (override_options): Restrict -fPIC error
4772         to -mpcrel.
4773         * config/m68k/uclinux.h (STARTFILE_SPEC): Define.  Use Scrt1.o
4774         for shared libraries and crt1.o for executables.  Use crti.o and
4775         crtbegin.o.
4776         (ENDFILE_SPEC): Use crtend.o and crtn.o.
4777         (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
4778         Do not add -elf2flt or -shared-lib-id options here.
4779         (LINK_SPEC): Define.  Pass -elf2flt if no -elf2flt option is given.
4780         Pass -shared-lib-id if -mid-shared-library, taking the library
4781         identifier from -mshared-library-id if given, otherwise
4782         defaulting to 0.
4783         (EH_FRAME_IN_DATA_SECTION): Do not undefine.
4784         (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
4785         (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
4786         and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
4787         (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
4788         * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
4789         and crtend.o.
4790         * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
4791         jump sequence for ISA A and ISA A+.
4792         (PICJUMP): Likewise.
4793
4794 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4795
4796         * config.gcc (m68k-*-uclinux*): Base the port on the common
4797         and m68k GNU/Linux files rather than on the generic ELF ones.
4798         * config/m68k/uclinux.h (TARGET_VERSION): Override.
4799         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
4800
4801 2007-01-18  Julian Brown  <julian@codesourcery.com>
4802             Richard Sandiford  <richard@codesourcery.com>
4803
4804         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
4805         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
4806         * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
4807         before redefining.
4808         * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
4809         80 unconditionally.
4810         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
4811
4812 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4813
4814         * doc/install.texi: Document m68k-uclinuxoldabi.
4815         * config.gcc (m68k-*-uclinuxoldabi): New configuration.
4816         * config/m68k/uclinux-oldabi.h: New file, copied from
4817         config/m68k/uclinux.h.
4818
4819 2007-01-18  Kaz Kojima  <kkojima@rr.iij4u.or.jp>
4820
4821         * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
4822         * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
4823         (m32r_compute_frame_size): Use unsigned for regno.
4824         (m32r_reload_lr): Use gen_frame_mem.
4825         (pop): New.
4826         (m32r_output_function_epilogue): Don't output the function epilogue
4827         textually here.
4828         (m32r_expand_epilogue): New.
4829         (direct_return): Return false if the function has the interrupt
4830         attribute.
4831         (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
4832         * config/m32r/m32r.md (epilogue): New expander.
4833         (return_lr, return_rte): New insns.
4834         (return): Make it expander.
4835         (return_normal): New expander.
4836
4837 2007-01-18  Josh Conner  <jconner@apple.com>
4838
4839         PR target/30485
4840         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
4841         support for UNLE, UNLT, UNGE, and UNGT.
4842
4843 2007-01-18  Jan Hubicka  <jh@suse.cz>
4844
4845         * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
4846         * tree-tailcall (add_virtual_phis): Likewise.
4847         (optimize_tail_call): Return TODOs.
4848         (execute_tail_calls): Return TODOs.
4849         * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
4850         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
4851         changed.
4852         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
4853         Cleanup cfg using TODO.
4854         * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
4855         * passes.c (execute_function_todo): When cleanup did something, remove
4856         unused locals.
4857         * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
4858         (make_edges): Don't cleanup_cfg.
4859
4860 2007-01-18  Uros Bizjak  <ubizjak@gmail.com>
4861
4862         * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
4863         UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
4864         operate on the top of stack.
4865         [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
4866         register handling of instructions that output to the second
4867         stack slot.
4868         [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
4869         (move_for_stack_reg): Special-case check for dead destination
4870         stack slot for constant load of 1.0 inside UNSPEC_TAN.
4871
4872         * config/i386/i386.md (UNSPEC_TAN): New constant.
4873         (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
4874         (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
4875         to correctly model move of constant 1.0 to top stack slot.
4876         (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
4877         (unnamed peephole2 pattern): Remove corresponding peephole2
4878         pattern that optimizes tan insn and loading of constant 1.0.
4879         (tanxf2): Use fptanxf4_i387.
4880         (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
4881         patterns using X87MODEF12 mode macro.  Use fptan_extend<mode>xf4_i387
4882         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
4883         disable patterns for SSE math.
4884         (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
4885         (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
4886
4887 2007-01-18  Dirk Mueller  <dmueller@suse.de>
4888             Richard Guenther <rguenther@suse.de>
4889
4890         PR diagnostic/8268
4891         * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
4892         * common.opt (Warray-bounds): Add new warning option.
4893         * c-opts.c (c_common_handle_option): Define -Warray-bounds
4894         if -Wall is given.
4895         * Makefile.in: make tree-vrp.o depend on toplev.h
4896         * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
4897         is enabled.
4898         (check_array_refs, check_array_bounds, check_array_ref): New.
4899
4900 2007-01-18  Jan Hubicka  <jh@suse.cz>
4901
4902         * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
4903         (execute_ssa_ccp): Return flags conditionally.
4904         * tree-ssa-propagate.c (substitue_and_fold): Return if something was
4905         changed.
4906         * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
4907
4908 2007-01-18  Steven Bosscher  <steven@gcc.gnu.org>
4909
4910         * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
4911         the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
4912
4913         * Makefile.c (GTFILES): Add cfglayout.h.
4914         * gengtype.c (open_base_files): Likewise.
4915         * cfglayout.c (cfg_layout_function_footer,
4916         cfg_layout_function_header) Reindent to make gengtype happy.
4917         * cfglayout.h (cfg_layout_function_footer,
4918         cfg_layout_function_header): Add GTY(()) marker.
4919
4920         * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
4921
4922 2007-01-18  Ben Elliston  <bje@au.ibm.com>
4923
4924         * genautomata.c (write_automata): Include xstrerror output in the
4925         error message if writing the DFA description file fails.
4926
4927 2007-01-17  H.J. Lu  <hongjiu.lu@intel.com>
4928
4929         * config/mips/mips-protos.h (mips_output_external): Make it
4930         return void.
4931         * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
4932         * config/mips/mips.c (irix_output_external_libcall): Likewise.
4933         (extern_list): Likewise.
4934         (extern_head): Likewise.
4935         (TARGET_ASM_FILE_END): Likewise.
4936         (mips_file_end): Likewise.
4937         (mips_output_external): Rewritten.
4938
4939 2007-01-18  Ben Elliston  <bje@au.ibm.com>
4940
4941         * genpreds.c (write_insn_preds_c): Only write out the function
4942         body for regclass_for_constraint if we have register constraints.
4943
4944 2007-01-17  Tom Tromey  <tromey@redhat.com>
4945
4946         * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
4947         * doc/install.texi (Testing): Use sourceware.org.
4948         (Binaries): Likewise.
4949         (Specific): Likewise.
4950         * doc/contrib.texi (Contributors): Use sourceware.org.
4951
4952 2007-01-17  Anatoly Sokolov <aesok@post.ru>
4953
4954         * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
4955         (AVR_ENHANCED): Rename to ...
4956         (AVR_HAVE_MUL): ... new.
4957         (avr_enhanced_p): Rename to ...
4958         (avr_have_mul_p): ... new.
4959         (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of
4960         'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
4961         * config/avr/avr.c (avr_enhanced_p): Rename to ...
4962         (avr_have_mul_p): ... new.
4963         (base_arch_s): Rename 'enhanced' to 'have_mul'.
4964         (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
4965         'avr_enhanced_p' and 'enhanced'.
4966         (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use
4967         AVR_HAVE_MUL instead of AVR_ENHANCED.
4968         * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
4969         (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3,
4970         *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL
4971         instead of AVR_ENHANCED.
4972         (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
4973         * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
4974         (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
4975
4976 2007-01-17  Ian Lance Taylor  <iant@google.com>
4977
4978         * vec.h (VEC_reserve_exact): Define.
4979         (vec_gc_p_reserve_exact): Declare.
4980         (vec_gc_o_reserve_exact): Declare.
4981         (vec_heap_p_reserve_exact): Declare.
4982         (vec_heap_o_reserve_exact): Declare.
4983         (VEC_OP (T,A,reserve_exact)): New static inline function, three
4984         versions.
4985         (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
4986         negative parameter.
4987         (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
4988         (VEC_OP (T,A,copy)) [all versions]: Likewise.
4989         (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
4990         * vec.c (calculate_allocation): Add exact parameter.  Change all
4991         callers.
4992         (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
4993         (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
4994         (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
4995         (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
4996         (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
4997         (vec_heap_p_reserve_exact): New function.
4998         (vec_heap_o_reserve_exact): New function.
4999
5000 2007-01-17  Jan Hubicka  <jh@suse.cz>
5001
5002         * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
5003
5004 2007-01-17  Eric Christopher  <echristo@apple.com>
5005
5006         * config.gcc: Support core2 processor.
5007
5008 2007-01-16  Jan Hubicka  <jh@suse.cz>
5009
5010         * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
5011         the names, just unlink the chain so we don't crash on dangling pointers
5012         to dead SSA names.
5013
5014 2007-01-16  Jan Hubicka  <jh@suse.cz>
5015
5016         * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
5017         * tree-pass.h: Reorder to make IPA passes appear toegher.
5018         (pass_early_inline, pass_inline_parameters, pass_apply_inline): Declare.
5019         * cgraphunit.c (cgraph_finalize_function): Do not compute inling
5020         parameters, do not call early inliner.
5021         * ipa-inline.c: Update comments.  Include tree-flow.h
5022         (cgraph_decide_inlining): Do not compute inlining parameters.
5023         (cgraph_decide_inlining_incrementally): Return TODOs; assume to
5024         be called with function context set up.
5025         (pass_ipa_inline): Remove unreachable functions before pass.
5026         (cgraph_early_inlining): Simplify assuming to be called from the
5027         PM as local pass.
5028         (pass_early_inline): New pass.
5029         (cgraph_gate_ipa_early_inlining): New gate.
5030         (pass_ipa_early_inline): Turn into simple wrapper.
5031         (compute_inline_parameters): New function.
5032         (gate_inline_passes): New gate.
5033         (pass_inline_parameters): New pass.
5034         (apply_inline): Move here from tree-optimize.c
5035         (pass_apply_inline): New pass.
5036         * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
5037         transforming.
5038         * tree-inline.c (optimize_inline_calls): Return TODOs rather than
5039         doing them by hand.
5040         (tree_function_versioning): Do not allocate dummy struct function.
5041         * tree-inline.h (optimize_inline_calls): Update prototype.
5042         * tree-optimize.c (execute_fixup_cfg): Export.
5043         (pass_fixup_cfg): Remove
5044         (tree_rest_of_compilation): Do not apply inlines.
5045         * tree-flow.h (execute_fixup_cfg): Declare.
5046         * Makefile.in (gt-passes.c): New.
5047         * passes.c: Include gt-passes.h
5048         (init_optimization_passes): New passes.
5049         (nnodes, order): New static vars.
5050         (do_per_function_toporder): New function.
5051         (execute_one_pass): Dump current pass here.
5052         (execute_ipa_pass_list): Don't dump current pass here.
5053
5054 2007-01-16  Janis Johnson  <janis187@us.ibm.com>
5055
5056         * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
5057         (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
5058
5059 2007-01-16  David Edelsohn  <edelsohn@gnu.org>
5060
5061         * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
5062         (strong_alias): Define.
5063         (__gcc_qmul): Provide non-FMA for soft-float.
5064         (__gcc_qdiv): Same.
5065         (__gcc_qneg): New.
5066         (__gcc_qeq): New.
5067         (__gcc_qle): New.
5068         (__gcc_qge): New.
5069         (__gcc_qunord): New.
5070         (__gcc_stoq): New.
5071         (__gcc_dtoq): New.
5072         (__gcc_qtos): New.
5073         (__gcc_qtod): New.
5074         (__gcc_qtoi): New.
5075         (__gcc_qtou): New.
5076         (__gcc_itoq): New.
5077         (__gcc_utoq): New.
5078         (fmsub): New.
5079         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
5080         soft-float functions.
5081         * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
5082         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
5083         about long double soft float.
5084
5085 2007-01-16  Dorit Nuzman  <dorit@il.ibm.com>
5086             Tehila Meyzels  <tehila@il.ibm.com>
5087
5088         * tree-vectorizer.h (is_pattern_stmt_p): New.
5089         * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
5090         formatting (tabs instead of spaces). Cleanup and clarify setting
5091         of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
5092         * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
5093         (vectorizable_type_demotion): Check that types are integral.
5094         (vectorizable_type_promotion): Likewise.
5095         (vectorizable_store): Fix typo.  Eliminate new-line at end of
5096         comments.
5097
5098 2007-01-16  Jan Hubicka  <jh@suse.cz>
5099
5100         * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
5101         cgraph edges too.
5102
5103 2007-01-15  Eric Christopher  <echristo@apple.com>
5104
5105         * ifcvt.c: Include vec.h, vecprim.h.
5106         (check_cond_move_block): New argument regs.
5107         Reorganize. Add registers used to regs.
5108         (cond_move_process_if_block): Use regs set above as
5109         loop bounds.
5110
5111 2007-01-15  Eric Christopher  <echristo@apple.com>
5112
5113         * config/darwin.h: Update copyright.
5114         (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
5115         (LINK_COMMAND_SPEC): Add -u.
5116         (LINK_SPEC): Fix umbrella for above.
5117
5118 2007-01-15  Joseph S. Myers  <joseph@codesourcery.com>
5119
5120         * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
5121         glibc CVS.
5122
5123 2007-01-15  Tom Tromey  <tromey@redhat.com>
5124
5125         * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
5126         * doc/install.texi (Testing): Don't mention jacks.
5127         (Configuration): Document --enable-java-maintainer-mode.  Move
5128         --with-java-home to libgcj-specific section.  Document
5129         --with-ecj-jar.
5130         (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
5131
5132 2007-01-15  Jan Hubicka  <jh@suse.cz>
5133
5134         * tree-ssa-dce.c (DCE_TODOs): New.
5135         (propagate_necessity): Return if something changed.
5136         (eliminate_unnecessary_stmts): Likewise.
5137         (perform_tree_ssa_dce): Return TODO flags when needed.
5138         (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
5139
5140 2007-01-15  Uros Bizjak  <ubizjak@gmail.com>
5141
5142         * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
5143         (fyl2x_extend<mode>xf3_i387): New insn pattern.
5144         (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
5145         patterns using X87MODEF12 mode macro.  Extend operand 1
5146         to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
5147         (log10<mode>2): Ditto.
5148         (log2<mode>2): Ditto.
5149         (log1p<mode>2): Ditto.
5150         (logb<mode>2): Ditto.
5151         (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
5152         (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
5153         (*fxtractxf3_i387): Rename from *fxtractxf3.
5154         (fxtract_extend<mode>xf3_i387): New insn pattern.
5155         (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
5156         * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
5157         and gen_fyl2xxf3_i387().
5158
5159 2007-01-14  Zdenek Dvorak <dvorakz@suse.cz>
5160
5161         * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
5162         * cfgloopmanip.c (fix_loop_placement): Made static.  Use
5163         get_loop_exit_edges.  Changed return type to bool.
5164         * cfgloop.h (fix_loop_placement): Declaration removed.
5165
5166 2007-01-14  Dorit Nuzman  <dorit@il.ibm.com>
5167
5168         * param.h (MIN_VECT_LOOP_BOUND): New.
5169         * params.def (MIN_VECT_LOOP_BOUND): New.
5170         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
5171         argument - minimum threshold for number of iterations.
5172         * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
5173         argument to declaration.
5174         * tree-vect-analyze.c (vect_analyze_operations): Check value of
5175         MIN_VECT_LOOP_BOUND.
5176         * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
5177         slpeel_tree_peel_loop_to_edge with additional argument.
5178         (vect_do_peeling_for_alignment): Likewise.
5179         * doc/invoke.texi (min-vect-loop-bound): Document new param option.
5180
5181 2007-01-14  Uros Bizjak  <ubizjak@gmail.com>
5182
5183         PR target/30413
5184         * config/i386/i386.c (print_operand) ['z']: Output 'b' for
5185         operands of size 1.
5186
5187 2007-01-14  Jan Hubicka  <jh@suse.cz>
5188
5189         * tree-dfa.c (remove_referenced_var): New function.
5190         * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
5191         prune referenced vars list too.
5192         * tree-flow.h (remove_referenced_var): Declare.
5193
5194 2007-01-14  Jan Hubicka  <jh@suse.cz>
5195
5196         * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
5197         separately.
5198         (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
5199         (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
5200         * except.h (verify_eh_throw_table_statements): Kill prototype.
5201         * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
5202         into call exrepssions.
5203         * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
5204         eh trhow verifier.
5205         * tree-cfg.c: Include pointer-set.h.
5206         (verify_node_sharing): Work on pointer set.
5207         (verify_eh_throw_stmt_node): New.
5208         (verify_stmts): Use pointers sets, verify throw_stmt.
5209
5210 2007-01-13  Zdenek Dvorak <dvorakz@suse.cz>
5211
5212         * ipa-reference.c (analyze_function): Consider also addresses taken
5213         in phi nodes.
5214
5215 2007-01-12  Roger Sayle  <roger@eyesopen.com>
5216
5217         * c-typeck.c (null_pointer_constant_p): Replace use of
5218         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
5219         (build_c_cast): Likewise.
5220
5221 2007-01-12  Roger Sayle  <roger@eyesopen.com>
5222
5223         * tree.h (force_fit_type_double): Remove unused final argument.
5224         * c-common.c (constant_expression_warning): Replace use of
5225         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
5226         (convert_and_check): Likewise.
5227         (shorten_compare): Update call to force_fit_type_double.
5228         (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
5229         * convert.c (convert_to_pointer): Update call to
5230         force_fit_type_double.
5231         * fold-const.c (force_fit_type_double): Remove overflowed_const
5232         argument.
5233         (int_const_binop, fold_convert_const_int_from_int,
5234         fold_convert_const_int_from_real, fold_div_compare,
5235         fold_sign_changed_comparison, fold_unary, fold_negate_const,
5236         fold_abs_const, fold_not_const): Remove the final argument from
5237         calls to force_fit_type_double.
5238
5239 2007-01-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5240
5241         * configure.ac: Set insn to "nop" for spu-*-* also.
5242         * configure: Regenerate.
5243
5244 2007-01-12  Olga Golovanevsky  <olga@il.ibm.com>
5245
5246         * builtins.def : Add BUILT_IN_FREE.
5247
5248 2007-01-12  Jan Hubicka  <jh@suse.cz>
5249
5250         PR tree-optimization/30443
5251         * tree-inline.c (tree_function_versioning): Do not optimize when
5252         cloning for inlining.
5253
5254 2007-01-12  Zdenek Dvorak <dvorakz@suse.cz>
5255
5256         * doc/loop.texi: Document recording of loop exits.
5257         * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
5258         (update_single_exits_after_duplication,
5259         update_single_exit_for_duplicated_loop,
5260         update_single_exit_for_duplicated_loops): Removed.
5261         (duplicate_loop_to_header_edge): Do not call
5262         update_single_exits_after_duplication and
5263         update_single_exit_for_duplicated_loops.
5264         (loop_version): Do not update single_exit information.
5265         (fix_loop_structure): Use record_loop_exits instead of
5266         mark_single_exit_loops.
5267         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
5268         the lists of loop exits.
5269         * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
5270         split_edge, merge_blocks): Update the lists of loop exits.
5271         * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
5272         loop_optimizer_init.
5273         * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
5274         of mark_single_exit_loops.
5275         (loop_optimizer_finalize): Call release_recorded_exits.
5276         * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
5277         LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
5278         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
5279         update single exit information.
5280         * lambda-code.c (perfect_nestify): Ditto.
5281         * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
5282         (mark_single_exit_loops): Removed.
5283         (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
5284         get_exit_descriptions, rescan_loop_exit, record_loop_exits,
5285         dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
5286         functions.
5287         (get_loop_exit_edges, single_exit): Use recorded exit lists.
5288         (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
5289         (verify_loop_structure): Verify consistency of the exit lists.
5290         (flow_loops_find): Use alloc_loop.  Initialize exits hash.
5291         (set_single_exit): Removed.
5292         * cfgloop.h (struct loop_exit): New function.
5293         (struct loop): single_exit_ field replaced by exits field.
5294         (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
5295         (struct loops): Added exits hash.
5296         (mark_single_exit_loops, set_single_exit): Declaration removed.
5297         (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
5298
5299 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
5300
5301         * doc/invoke.texi: Avoid use of @headitem.
5302
5303 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
5304
5305         * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
5306
5307 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
5308
5309         * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
5310         list of targets.
5311
5312 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
5313             Richard Sandiford  <richard@codesourcery.com>
5314
5315         * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
5316         * config/m68k/m68k.opt: Resort options.
5317         (mbitfield, mrtd, mshort): Remove RejectNegative properties.
5318
5319 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
5320             Richard Sandiford  <richard@codesourcery.com>
5321
5322         * doc/invoke.texi: Document the macros that are defined by
5323         m68k's -mtune and -mhard-float options.
5324         * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
5325         (m68k_cpp_cpu_family): Likewise.
5326         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
5327         of __ucfv*__ macros.  Define __mcffpu__ if generating code for
5328         ColdFire FPUs.  Define __mcf_cpu_* and __mcf_family_* macros.
5329         * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
5330         (m68k_cpp_cpu_family): Likewise.
5331
5332 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
5333
5334         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
5335         macros besides mc68000 as tuning macros.  Use a switch statement
5336         to set them and mcpu32.
5337
5338 2007-01-12  Julian Brown  <julian@codesourcery.com>
5339
5340         * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
5341         (TARGET_68040_ONLY): Rename to...
5342         (TARGET_68040): ...this.
5343         * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
5344         * config/m68k/m68k.md: Likewise.
5345
5346 2007-01-12  Julian Brown  <julian@codesourcery.com>
5347             Nathan Sidwell  <nathan@codesourcery.com>
5348             Richard Sandiford  <richard@codesourcery.com>
5349
5350         * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
5351         the -mcpu= argument associated with the --with-cpu setting.
5352         Define M68K_DEFAULT_TUNE to the default -mtune= option,
5353         if different from the one implied by the -mcpu setting.
5354         Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
5355         using mcpu=FOO as the default CPU option.  Set target_cpu_default2.
5356         * doc/invoke.texi: Mention ColdFire in the introduction to the
5357         m68k options.  Document the new -march, -mcpu, -mtune, -mdiv,
5358         -mno-div and -mhard-float options.  Make -m68881 a synonym for
5359         -mhard-float.  Document the previously-undocumented -m5206e,
5360         -m528x, -m5307 and -m5407 options.  Tweak the existing option
5361         documentation for consistency.
5362         * doc/install.texi: Mention new --with-cpu arguments.
5363         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
5364         default CPU if neither -mcpu nor -march are specified.
5365         (ASM_CPU_SPEC): Pass down -mcpu and -march options.
5366         (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
5367         TARGET_ISA*.  Set the legacy __mcf*__ cpu macros in the same way,
5368         using m68k_tune to decide between families that implement the
5369         same ISA.  Use m68k_tune to set __mcfv4e__.
5370         (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
5371         (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
5372         (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
5373         (FL_ISA_C, FL_ISA_MMU): New macros.
5374         (MASK_COLDFIRE): Delete.
5375         (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
5376         (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
5377         (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
5378         (TARGET_HARD_FLOAT): Do not define here.
5379         (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
5380         (TUNE_68000): New macro.
5381         (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
5382         (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
5383         (TUNE_CFV2): Redefine in terms of m68k_tune.
5384         (uarch_type, target_device, fpu_type): New enums.
5385         (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
5386         * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
5387         (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
5388         (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
5389         (FL_FOR_isa_c): New macros.
5390         (m68k_isa): New enum.
5391         (m68k_target_selection): New structure.
5392         (all_devices, all_isas, all_microarchs): New tables.
5393         (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
5394         (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
5395         (MASK_ALL_CPU_BITS): Delete.
5396         (m68k_find_selection): New function.
5397         (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
5398         Map the legacy target options to a combination of the new ones.
5399         (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
5400         m68k_cpu_flags.  Handle M68K_DEFAULT_TUNE.  Use m68k_cpu_flags
5401         to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
5402         settings.
5403         * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
5404         (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
5405         properties.
5406         (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
5407         (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
5408         * config/m68k/m68k-devices.def: New file.
5409
5410 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
5411             Nathan Sidwell  <nathan@codesourcery.com>
5412
5413         * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
5414         (SUBTARGET_EXTRA_SPECS): New macros.
5415         * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
5416         use %(asm_cpu_spec) instead.
5417         * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
5418         * config/m68k/openbsd.h (ASM_SPEC): Likewise.
5419         * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
5420         (EXTRA_SPECS): Rename to...
5421         (SUBTARGET_EXTRA_SPECS): ...this.
5422
5423 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
5424             Richard Sandiford  <richard@codesourcery.com>
5425             Julian Brown  <julian@codesourcery.com>
5426
5427         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
5428         (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
5429         to the configuration's default CPU.
5430         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
5431         Remove default masks.
5432         (m680[012]0-*-*): Set the default with_cpu to the first part of
5433         the target name.
5434         (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
5435         (m68k*-*-linux): Extend the --with-cpu handling to...
5436         (m680[012]0-*-*, m68k*-*-*): ...these configurations.  Allow m68000
5437         and m68010.  Don't set target_cpu_default2.
5438         * doc/install.texi: Document --with-cpu for m68k.
5439         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
5440         * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
5441         (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
5442         (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
5443         (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
5444         (ASM_SPEC): Remove use of %(asm_cpu_default).
5445         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
5446         * config/m68k/linux.h (TARGET_DEFAULT): Delete.
5447         (CPP_SPEC): Merge definitions.  Do not handle __HAVE_68881__ here.
5448         * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
5449         __HAVE_FPU__ if TARGET_HARD_FLOAT.
5450         (TARGET_DEFAULT): Delete.
5451         (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
5452         cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
5453         (CPP_CPU_SPEC): Delete.
5454         (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
5455         the appropriate string.
5456         (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
5457         (CPP_SPEC): Define to NETBSD_CPP_SPEC.
5458         (ASM_SPEC): Don't use %(asm_default_spec).
5459         * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
5460         TARGET_DEFAULT and add MASK_68881.
5461         * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
5462
5463 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
5464
5465         * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
5466         (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
5467         MASK_68010 alongside MASK_68020.
5468         * doc/invoke.texi: Document -m68010.
5469         * config/m68k/m68k.opt (m68010): New.
5470         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
5471         if TUNE_68010.
5472         (TUNE_68010): New macro.
5473         * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
5474         (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
5475         (M68K_CPU_m68332): Add MASK_68010.
5476         * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
5477         fallback definition.
5478         * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
5479         defines.
5480         * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
5481         (m68k_handle_option): Handle OPT_m68010.  Add MASK_68010
5482         to all entries that use MASK_68020.
5483         (output_move_simode_const, output_move_himode, output_move_qimode)
5484         (output_move_stricthi, output_move_strictqi): Use TARGET_68010
5485         instead of TARGET_68020 to select clr behavior.  Remove comment
5486         about there being no TARGET_68010.
5487         * config/m68k/m68k.md: Likewise throughout.
5488
5489 2007-01-12  Julian Brown  <julian@codesourcery.com>
5490
5491         * config/m68k/m68k.h (TARGET_ISAB): New macro.
5492         * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
5493         * config/m68k/m68k.md: Likewise.
5494
5495 2007-01-12  Julian Brown  <julian@codesourcery.com>
5496
5497         * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
5498         TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
5499
5500 2007-01-12  Julian Brown  <julian@codesourcery.com>
5501
5502         * config/m68k/m68k.h (TUNE_68040_60): New macro.
5503         * config/m68k/m68k.c (standard_68881_constant_p): Use it.
5504         * config/m68k/m68k.md: Likewise.
5505
5506 2007-01-12  Julian Brown  <julian@codesourcery.com>
5507             Richard Sandiford  <richard@codesourcery.com>
5508
5509         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
5510         instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
5511         TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
5512         TARGET_CPU32.
5513         (TARGET_CPU32): Rename to...
5514         (TUNE_CPU32): ...this.
5515         (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
5516         (TUNE_CFV2): New macros.
5517         * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
5518         remove conditions that are implied by TARGET_68020.
5519         * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
5520         instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
5521         (m68k_output_function_epilogue): Likewise.
5522         (m68k_rtx_costs): Likewise.  Use TUNE_68060 instead of TARGET_68060
5523         and TUNE_CFV2 instead of TARGET_5200.  Use TUNE_68000_10 instead of
5524         "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
5525         non-68000 timings.  Refactor multiplication and division costs.
5526         (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
5527         TUNE_CPU32 instead of TARGET_CPU32.
5528         (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
5529         and TUNE_68060 instead of TARGET_68060.
5530         * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
5531         TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
5532         TARGET_CPU32.
5533         (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
5534         && !TARGET_COLDFIRE" to choose between moveq and clr.
5535         Likewise in the unnamed movsf pattern.
5536         (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
5537         "!TARGET_68020 && !TARGET_COLDFIRE".  Likewise the unnamed
5538         ashiftrt pattern.
5539
5540 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
5541
5542         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
5543         of tabbing before backslashes.
5544
5545 2007-01-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5546
5547         * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
5548         * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
5549         (ASM_OUTPUT_INTERNAL_LABEL): Define.
5550
5551 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
5552
5553         * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
5554         find_interesting_uses_cond.
5555         (find_interesting_uses_cond): Use extract_cond_operands.
5556         (rewrite_use_compare): Use extract_cond_operands and
5557         force_gimple_operand_bsi.  Do not call update_stmt.
5558         (determine_use_iv_cost_condition): Use extract_cond_operands.
5559         Return cheaper of using original bound and changing the exit bound.
5560
5561 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
5562
5563         PR tree-optimization/29516
5564         * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
5565         most_expensive_mult_to_index, addr_to_parts,
5566         create_mem_ref, maybe_fold_tmr): Make the type of
5567         fields of TARGET_MEM_REF sizetype.
5568         (move_fixed_address_to_symbol, move_pointer_to_base):
5569         New functions.
5570         * tree.def (TARGET_MEM_REF): Add comment on types of
5571         the operands.
5572
5573 2007-01-11  Joseph Myers  <joseph@codesourcery.com>
5574
5575         * c-common.c (vector_types_convertible_p): Treat opaque types as
5576         always convertible if they have the same size, but not otherwise.
5577
5578 2007-01-11  Steven Bosscher  <steven@gcc.gnu.org>
5579
5580         * ifcvt.c (struct noce_if_info): Add comments to the fields.
5581         Remove the b_unconditional field.
5582         (noce_try_sign_mask): Do not look at b_unconditional.
5583         (noce_process_if_block): Do not use merge_if_blocks.  Update
5584         the CFG here.  Do not set b_unconditional.
5585         (cond_move_process_if_block): Likewise.
5586         (find_cond_trap): Likewise.
5587         (check_cond_move_block): Require simple jump insns at the end
5588         of the basic block.
5589
5590 2007-01-11  Jan Hubicka  <jh@suse.cz>
5591
5592         PR tree-optimization/1046
5593         * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
5594         when alias info is not ready.
5595         (pass_tail_recursion): Do not require aliasing.
5596         * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
5597         * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
5598         * tree-ssa-copy.c (pass_copy_prop): Likewise.
5599         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
5600         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
5601         * passes.c (init_optimization_passes): Execute rename_ssa_copies,
5602         ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
5603         before inlining.
5604         * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
5605         When aliasing is not build, mark statement as volatile.
5606
5607 2007-01-11  Tom Tromey  <tromey@redhat.com>
5608
5609         PR preprocessor/15185, PR preprocessor/20989:
5610         * doc/cppopts.texi <-MT>: Update description of algorithm for
5611         computing default target.
5612         <-M, -MD>: Reword "basename" text.
5613
5614 2007-01-11  Roger Sayle  <roger@eyesopen.com>
5615
5616         * builtins.c (expand_builtin_pow, expand_builtin_powi,
5617         fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
5618         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
5619         fold_builtin_int_int_roundingfn, fold_builtin_bitop,
5620         fold_builtin_bswap, real_constp, fold_builtin_pow,
5621         fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
5622         do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
5623         uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
5624         * convert.c (convert_to_pointer): Likewise.
5625         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
5626         * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
5627         const_binop, fold_convert_const_int_from_int,
5628         fold_convert_const_int_from_real,
5629         fold_convert_const_real_from_real, sign_bit_p,
5630         optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
5631         fold_sign_changed_comparison, fold_unary, fold_comparison,
5632         fold_binary, multiple_of_p, tree_Expr_non_zero_p,
5633         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
5634         * print-tree.c (print_node_brief, print_node): Likewise.
5635         * stor-layout.c (place_field, layout_type): Likewise.
5636         * tree-chrec.c (keep_cast): Likewise.
5637         * tree.c (build_vector, build_real, build_real_from_int_cst,
5638         build_complex): Likewise.
5639
5640 2007-01-11  Roger Sayle  <roger@eyesopen.com>
5641
5642         * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete.  For the time being,
5643         treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
5644
5645 2007-01-11  Paolo Bonzini  <bonzini@gnu.org>
5646
5647         * configure.ac (strict1_warn): Rename to strict_warn.
5648         (WERROR, --enable-werror, symlink hacks, stage1_cflags,
5649         cc_set_by_configure, quoted_cc_set_by_configure,
5650         stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
5651         all_boot_languages, all_stagestuff): Remove.
5652         (target_list): Remove bootstrap targets.
5653         * Makefile.in (quickstrap): Unconditionally make a synonym of all.
5654         (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
5655         REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
5656         SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
5657         VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
5658         STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
5659         stage1_copy, stage2_build, stage2_copy, stageprofile_build,
5660         stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
5661         stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
5662         bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
5663         bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
5664         unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
5665         restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
5666         cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
5667         *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
5668         stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
5669         stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
5670         risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
5671         (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
5672         (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
5673         (mostlyclean): Adjust.
5674         (clean, distclean): Don't mention bootstrap stuff.
5675         * configure: Regenerate.
5676         * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
5677         java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
5678         treelang/config-lang.in (stagestuff): Remove.
5679         * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
5680         stageprofile, stagefeedback, stagestuff): Remove mention.
5681
5682 2007-01-11  Nick Clifton  <nickc@redhat.com>
5683
5684         * config/mcore/predicates.md (mcore_general_movesrc_operand):
5685         Accept CONSTs.
5686         (mcore_general_movdst_operand): Do not accept CONST_INTs.
5687         (mcore_arith_K_S_operand): Run the test for the S constraint not
5688         the test for the M constraint.
5689         (mcore_addsub_operand): Do not accept integer values that are
5690         larger than 32 bits.
5691         * config/mcore/mcore.md: Remove unused constraints from split.
5692         (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
5693         (addsi3): Likewise.
5694         (allocate_stack): Likewise.
5695         * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
5696         operands to 32 bits.
5697         (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
5698         INTVAL.
5699         (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
5700         mcore_const_ok_for_inline, mcore_const_trick_uses_not,
5701         try_constant_tricks, mcore_num_ones, mcore_num_zeros,
5702         mcore_output_bclri, mcore_output_andn, output_inline_const,
5703         mcore_output_move, mcore_output_movedouble): Likewise.
5704         (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
5705         (output_inline_const): Likewise.
5706         (output_inline_const): Fix format strings used in sprintf
5707         statements.
5708         * config/mcore/mcore-protos.h: Update prototypes for changed
5709         functions in mcore.c.
5710         * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
5711         HOST_WIDE_INT and not int.
5712         (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
5713         CONST_OK_FOR_N): Likewise.
5714         (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
5715         (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
5716         an INTVAL.
5717
5718 2007-01-10  Jan Hubicka  <jh@suse.cz>
5719
5720         * tree-vrp.c (remove_range_assertions): Release defs.
5721         * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
5722         * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
5723
5724 2007-01-10  Paul Brook  <paul@codesourcery.com>
5725
5726         * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
5727         * config/arm/arm.md (mulsi3subsi): New insn.
5728
5729 2007-01-10  Zdenek Dvorak <dvorakz@suse.cz>
5730
5731         * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
5732         (tree_transform_and_unroll_loop): New.
5733         * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
5734         Declare.
5735
5736 2007-01-10  Robert Kennedy <jimbob@google.com>
5737
5738         * fold-const.c (fold_comparison): Fold comparisons like (x *
5739         1000 < 0) to (x < 0).
5740
5741 2007-01-10  Ian Lance Taylor  <iant@google.com>
5742
5743         * tree-pretty-print.c (dump_generic_node): Print parentheses when
5744         operands have the same priority.
5745
5746 2007-01-10  Tom Tromey  <tromey@redhat.com>
5747
5748         * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
5749         (fold_binary): Likewise.
5750         * langhooks.c (lhd_can_use_bit_fields_p): Removed.
5751         * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
5752         (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
5753         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
5754         * langhooks.h (struct lang_hooks): Removed field
5755         'can_use_bit_fields_p'.
5756
5757 2007-01-10  Ralf Corsépius <ralf.corsepius@rtems.org>
5758
5759         * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
5760
5761 2007-01-10  Razya Ladelsky  <razya@il.ibm.com>
5762
5763         * function.c (get_last_funcdef_no): New function.
5764         * function.h (get_last_funcdef_no): Declare.
5765         * tree-inline.c (initialize_cfun): Add initialization.
5766         (tree_function_versioning): Cleanup.
5767
5768 2007-01-10  Jan Hubicka  <jh@suse.cz>
5769
5770         * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
5771         PHIs.
5772
5773 2007-01-10  Sa Liu  <saliu@de.ibm.com>
5774             Ben Elliston  <bje@au.ibm.com>
5775
5776         * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
5777         for SAVE_NONLOCAL and Pmode for any other save level.
5778         * spu-protos.h (spu_restore_stack_block): Declare.
5779         * spu.md (save_stack_block): Remove.
5780         (restore_stack_block): Call spu_restore_stack_block.
5781         * spu.c (spu_restore_stack_block): New function.
5782         (spu_expand_epilogue): Remove old comment.
5783
5784 2007-01-09  Zdenek Dvorak <dvorakz@suse.cz>
5785
5786         PR tree-optimization/30322
5787         * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
5788         (cand_value_at): Return the value as aff_tree.
5789         (may_eliminate_iv): Convert the bound from aff_tree to tree.
5790         * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
5791         aff_combination_mult): New functions.
5792         (aff_combination_add): Use aff_combination_add_cst.
5793         (aff_combination_convert): Allow conversions to a wider type.
5794         (tree_to_aff_combination): Handle BIT_NOT_EXPR.
5795         * tree-affine.h (aff_combination_mult): Declare.
5796
5797 2007-01-09  Carlos O'Donell  <carlos@codesourcery.com>
5798
5799         * doc/tm.texi: Update documentation to reflect reality of exec
5800         and start file search behaviours. Update copyright year.
5801         * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
5802         header file directories.
5803
5804 2007-01-09  Uros Bizjak  <ubizjak@gmail.com>
5805
5806         * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
5807         (*cosxf2): Rename to cosxf2_i387.
5808         (*sindf2, *sinsf2): Extend operand 1 to XFmode.  Macroize patterns
5809         using X87MODEF12 mode macro. Rename patterns to
5810         *sin_extend<mode>xf2_i387.  Use SSE_FLOAT_MODE_P to disable patterns
5811         for SSE math.
5812         (*cosdf2, *cossf2): Ditto.
5813         (sincosdf3, sincossf3): Ditto.  Rewrite corresponding splitters
5814         to match extended input operands.
5815         (sincos<mode>3): New expander.
5816         (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
5817         insn patterns and corresponding splitters.
5818
5819 2007-01-09  Kaz Kojima  <kkojima@gcc.gnu.org>
5820
5821         * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
5822         (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
5823
5824 2007-01-09  Nicolas Pitre  <nico@cam.org>
5825
5826         PR target/30173
5827         * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
5828
5829 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
5830
5831         * target.h (struct gcc_target): New field library_rtti_comdat.
5832         * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
5833         (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
5834         * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
5835         * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
5836
5837 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
5838
5839         * doc/invoke.texi (Optimize Options): Correct description of -O0.
5840
5841 2007-01-08  Richard Guenther  <rguenther@suse.de>
5842
5843         * tree.h (force_fit_type_double): Export.
5844         (force_fit_type): Remove.
5845         * fold-const.c (force_fit_type_double): New function.
5846         (force_fit_type): Remove.
5847         (int_const_binop): Use it.
5848         (fold_convert_const_int_from_int): Likewise.
5849         (fold_convert_const_int_from_real): Likewise.
5850         (fold_div_compare): Likewise.
5851         (fold_sign_changed_comparison): Likewise.
5852         (fold_unary): Likewise.
5853         (fold_negate_const): Likewise.
5854         (fold_abs_const): Likewise.
5855         (fold_not_const): Likewise.
5856         * c-common.c (shorten_compare): Use force_fit_type_double.
5857         * convert.c (convert_to_pointer): Likewise.
5858
5859 2007-01-08  Richard Guenther  <rguenther@suse.de>
5860
5861         * tree.h (build_int_cst_wide_type): Export.
5862         * tree.c (build_int_cst_wide_type): New function.
5863         (build_int_cst_wide): Fix comment.
5864         * builtins.c (fold_builtin_object_size): Use build_int_cst
5865         to build -1 or 0 of the correct type.  Use fit_double_type
5866         to check for overflow.
5867         * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
5868         to build the mask.
5869         (decode_field_reference): Likewise.
5870         (all_ones_mask_p): Likewise.
5871         (native_interpret_int): Use build_int_cst_wide_type.
5872         (fold_binary): Use build_int_cst_type to build an all-ones
5873         value.
5874         * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
5875
5876 2007-01-08  Daniel Jacobowitz  <dan@codesourcery.com>
5877
5878         * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
5879
5880 2007-01-09  Ben Elliston  <bje@au.ibm.com>
5881
5882         * genautomata.c (STATS_OPTION): New option.
5883         (stats_flag): New flag.
5884         (gen_automata_option): Handle it.
5885         (initiate_automaton_gen): Ditto.
5886         (write_automata): Output statistics only if stats_flag is
5887         set. Likewise, output time statistics only if time_flag is set.
5888         * doc/md.texi (Processor pipeline description): Document new flag.
5889
5890 2007-01-08  Richard Guenther  <rguenther@suse.de>
5891
5892         * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
5893         * tree.c (build_int_cst_type): Likewise.
5894         (size_in_bytes): Don't call force_fit_type on the result.
5895         (int_fits_type_p): Use fit_double_type.
5896         * fold-const.c (fit_double_type): New function.
5897         (force_fit_type): Use it.
5898         * tree.h (fit_double_type): Export.
5899
5900 2007-01-08  Jan Hubicka  <jh@suse.cz>
5901
5902         * tree-vectorizer.c (gate_increase_alignment): Fix return type.
5903         * ipa.c (function_and_variable_visibility): Fix return type.
5904
5905 2007-01-08  Richard Guenther  <rguenther@suse.de>
5906
5907         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
5908         of offset to build the index.
5909         * tree-pretty-print.c (dump_generic_node): Don't build negated
5910         const just for printing.
5911         * c-pretty-print.c (pp_c_integer_constant): Likewise.
5912         * builtins.c (fold_builtin_int_roundingfn): Check if result
5913         fits the type by using force_fit_type and comparing the result.
5914         * predict.c (predict_loops): Use compare_tree_int for comparison.
5915         * tree.c (build_int_cst): Fall back to integer_type_node for
5916         NULL_TREE type.
5917         (build_int_cst_wide): Assert type is non-null.
5918
5919 2007-01-08  Roberto Costa  <roberto.costa@st.com>
5920
5921         * tree-vrp.c (extract_range_from_cond_expr): New.
5922         (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
5923         * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
5924         as expressions.
5925         (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
5926         * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
5927         tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
5928         used as expressions.
5929         * tree-object-size.c (cond_expr_object_size): New.
5930         (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
5931
5932 2007-01-08  Jan Hubicka  <jh@suse.cz>
5933
5934         * tree-ssa-forwprop.c (forward_propagate_into_cond,
5935         tree_ssa_forward_propagate_single_use_va): Release defs of propagated
5936         statement.
5937
5938 2007-01-08  Richard Guenther  <rguenther@suse.de>
5939
5940         PR tree-optimization/23603
5941         * tree-vrp.c (set_value_range_to_truthvalue): New function.
5942         (extract_range_from_binary): Fall back to truthvalue instead of
5943         varying for TRUTH_*_EXPR.
5944         (extract_range_from_comparison): Fall back to truthvalue instead of
5945         varying.
5946         (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
5947         if all visited PHI values were constant.
5948
5949 2007-01-08  Jan Hubicka  <jh@suse.cz>
5950
5951         * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
5952         (cgraph_analyze_function): break out from ...
5953         (cgraph_finalize_compilation_unit): ... here.
5954         (cgraph_expand_function): Remove forgoten commented out line.
5955         (cgraph_optimize): Analyze functions.
5956
5957 2007-01-08  Jan Hubicka  <jh@suse.cz>
5958
5959         * tree-pas.h (TODO_remove_function): New flag.
5960         (TODO_update*): Renumber.
5961         (pass_ipa_increase_alignment,
5962         pass_ipa_function_and_variable_visibility): New passes.
5963         * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
5964         (cgraph_function_and_variable_visibility): Move to ipa.c
5965         (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
5966         cgraph_increase_alignment.
5967         * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
5968         (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
5969         calling tree-inline.
5970         (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
5971         (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
5972         * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
5973         (gate_increase_alignment): New function.
5974         (pass_ipa_increase_alignment): New pass.
5975         * ipa.c: Inline tree-pass.h and timevar.h
5976         (function_and_variable_visibility): Move here from cgraphunit.c
5977         * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
5978         * passes.c (init_optimization_passes): Add the two new passes.
5979         (execute_todo): Handle cgraph_remove_functions.
5980
5981 2007-01-08  Nick Clifton  <nickc@redhat.com>
5982
5983         * config/frv/predicates.md (reg_or_0_operand): Accept
5984         CONST_DOUBLEs.
5985
5986 2007-01-08  Ralf Corsépius <ralf.corsepius@rtems.org>
5987
5988         * config/bfin/rtems.h, config/bfin/t-rtems: New.
5989         * config.gcc: Add bfin*-rtems*.
5990
5991 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
5992
5993         * c.opt: Add -flax-vector-conversions.
5994         * c-typeck.c (convert_for_assignment): Pass flag to
5995         vector_types_convertible_p to allow emission of note.
5996         (digest_init): Likewise.
5997         * c-opts.c: Handle -flax-vector-conversions.
5998         * c-common.c (flag_lax_vector_conversions): New.
5999         (vector_types_convertible_p): Unless -flax-vector conversions
6000         has been passed, disallow conversions between vectors with
6001         differing numbers of subparts and/or element types.  If such
6002         a conversion is disallowed, possibly emit a note on the first
6003         occasion only to inform the user of -flax-vector-conversions.
6004         The new last argument specifies this.
6005         * c-common.h (flag_lax_vector_conversions): New.
6006         (vector_types_convertible_p): Add extra argument.
6007         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
6008         char_type_node for V*QI type vectors.
6009         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
6010         Update to satisfy new typechecking rules.
6011         * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
6012         C and C++ variants.
6013         * doc/invoke.texi (C Dialect Options): Document
6014         -flax-vector-conversions.
6015
6016 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
6017
6018         PR tree-optimization/29877
6019         * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
6020         a register variable on the RHS to not be replaceable.
6021
6022 2007-01-08  Chen Liqin  <liqin@sunnorth.com.cn>
6023         * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
6024         * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
6025         const_simm15, const_pow2, const_npow2): Added.
6026         * config/score/misc.md (insv, extv, extzv, movmemsi,
6027         move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
6028         * config/score/score.c (score_address_cost, score_select_cc_mode):
6029         Added.
6030         Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
6031         Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
6032         Update score_print_operand.
6033         * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
6034         Adjust register allocate order and update some macro define.
6035         * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
6036         mdx_block_move_straight, mdx_block_move_loop_head,
6037         mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
6038         mdx_block_move): Added.
6039         (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
6040         mdp_limm): Updated and fix some bug and typo.
6041         * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
6042         (movsf, movdf, doloop_end): Added.
6043
6044 2007-01-08  Kazu Hirata  <kazu@codesourcery.com>
6045
6046         * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
6047         config/arm/thumb2.md: Fix comment typos.
6048         * doc/extend.texi: Fix a typo.
6049
6050 2007-01-07  Eric Christopher  <echristo@apple.com>
6051
6052         * configure.ac: Check for __stack_chk_fail for darwin.
6053         * configure: Regenerate.
6054
6055 2007-01-07  Richard Guenther  <rguenther@suse.de>
6056
6057         * tree-vrp.c (extract_range_from_assert): CSE calls to
6058         compare_values where possible.
6059         (extract_range_from_unary_expr): Likewise.
6060
6061 2007-01-07  Anatoly Sokolov <aesok@post.ru>
6062
6063         * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
6064         * config/avr/avr.c (call_insn_operand): Delete function.
6065         * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
6066         instead of register number. Use predicates.
6067         * config/avr/predicates.md (const0_operand, reg_or_0_operand,
6068         call_insn_operand): Add.
6069
6070 2007-01-06  Jan Hubicka  <jh@suse.cz>
6071
6072         * tree-pass.h (pass_build_cgraph_edges): Declare.
6073         * cgraphunit.c (record_refernece): Move to cgraphbuild.c
6074         (visited_nodes): Remove.
6075         (cgraph_create_edges): Move to cgraphbuild.c; rename to
6076         build_cgrpah_edges; make visited_nodes local.
6077         (cgraph_process_new_functions): DO not call initialize_inline_failed.
6078         (record_references_in_initializer): Move to cgraphbuild.c
6079         (initialize_inline_failed, rebuild_cgraph_edges,
6080         pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
6081         (verify_cgraph_node): Make visited_nodes local.
6082         (cgraph_analyze_function): Do not call cgraph_create_edges and
6083         initialize_inline_failed.
6084         (cgraph_expand_function): Do not call cgraph_lower_function;
6085         assert that function is already lowered.
6086         * Makefile.in (cgraphbuild.o): New.
6087         * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
6088         at the end of lowering passes.
6089
6090 2007-01-06  Steven Bosscher  <steven@gcc.gnu.org>
6091
6092         * ifcvt.c (cond_move_convert_if_block): New function, code
6093         factored out from...
6094         (cond_move_process_if_block): ...here.  Call the new function
6095         on the THEN and ELSE blocks.
6096         (merge_if_block): Do not copy global_live_at_end, merge_blocks
6097         already takes care of this.
6098
6099 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6100
6101         PR c/19978
6102         * tree.h (TREE_OVERFLOW_P): New.
6103         * c-typeck.c (parser_build_unary_op): Warn only if result
6104         overflowed and operands did not.
6105         (parser_build_binary_op): Likewise.
6106         (convert_for_assignment): Remove redundant overflow_warning.
6107         * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
6108
6109 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6110
6111         * c-typeck.c (store_init_value): Split over two lines to follow
6112         the GNU coding style.
6113
6114 2007-01-05  Benjamin Kosnik  <bkoz@redhat.com>
6115
6116         * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
6117         __GXX_EXPERIMENTAL_CXX0X__.
6118         * doc/cpp.texi: Same.
6119
6120 2007-01-05  Richard Guenther  <rguenther@suse.de>
6121
6122         PR middle-end/27826
6123         * tree.c (get_narrower): Do not construct COMPONENT_REFs
6124         with mismatched types.  Instead explicitly build a
6125         conversion NOP_EXPR.
6126
6127 2007-01-05  Ian Lance Taylor  <iant@google.com>
6128
6129         * c-common.c (decl_with_nonnull_addr_p): New function.
6130         (c_common_truthvalue_conversion): Call it.
6131         * c-typeck.c (build_binary_op): Likewise.
6132         * c-common.h (decl_with_nonnull_addr_p): Declare.
6133
6134 2007-01-05  Jakub Jelinek  <jakub@redhat.com>
6135
6136         PR c/30360
6137         * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
6138         denom against 0.0.
6139
6140 2007-01-05  Joel Brobecker  <brobecker@adacore.com>
6141
6142         * doc/install.texi (Final install): Document the fact that
6143         the GNAT runtime should not be stripped.
6144
6145 2007-01-04  Jan Hubicka  <jh@suse.cz>
6146
6147         * tree-inline.c (fold_marked_statements): Update operand caches
6148         and EH after folding
6149
6150 2007-01-04  Ian Lance Taylor  <iant@google.com>
6151
6152         * c-common.c (check_function_nonnull): Whitespace fix.
6153
6154 2007-01-04  Jan Hubicka  <jh@suse.cz>
6155
6156         * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
6157         comitted older version of patch.
6158         (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
6159         function, celanup cfg and collect garbage.
6160
6161 2007-01-04  Mike Stump  <mrs@apple.com>
6162
6163         * Makefile.in (mostlyclean): Don't remove libgcc anymore.
6164         (clean): Likewise.
6165
6166 2007-01-04  Eric Christopher  <echristo@apple.com>
6167
6168         * libgcc2.c (__bswapsi2): Use SItype.
6169         (__bswapdi2): Use DItype.
6170         * libgcc2.h: Update for above.
6171
6172 2007-01-04  Paul Brook  <paul@codesourcery.com>
6173
6174         * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
6175         mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
6176         mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
6177         umulsidi3, umulsidi3adddi, smulsi3_highpart,
6178         umulsi3_highpart): Make conditional on !arm_arch6.
6179         (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
6180         mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
6181         mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
6182         umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
6183         umulsi3_highpart_v6): New insns.
6184
6185 2007-01-04  Roger Sayle  <roger@eyesopen.com>
6186
6187         * fold-const.c (fold_convert): When casting an expression to void,
6188         fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
6189         have a type.  Instead of attempting to build a NOP_EXPR, return
6190         these "special" trees directly.
6191
6192 2007-01-04  Joseph Myers  <joseph@codesourcery.com>
6193
6194         * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
6195         MULT inside MINUS as either argument.  Use rs6000_cost->dmul -
6196         rs6000_cost->fp not 0 as adjustment for outer NEG.
6197
6198 2007-01-04  Jan Hubicka  <jh@suse.cz>
6199
6200         * cgraph.c (cgraph_release_function_body): New function.
6201         (cgraph_remove_node): Use it.
6202         * cgraph.h (cgraph_release_function_body): Declare.
6203         * cgraphunit.c (cgraph_expand_function): Use it.
6204         * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
6205         * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
6206         is initialized and while compilation of other function is running.
6207         * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
6208         statement CFG annotations from here to ...
6209         * tree-cfg.c (delete_tree_cfg_annotations): ... here.
6210
6211 2007-01-04  Zdenek Dvorak <dvorakz@suse.cz>
6212
6213         * cfgloop.h (enum li_flags): Make the constants powers of two.
6214
6215 2007-01-04  Jan Hubicka  <jh@suse.cz>
6216
6217         * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
6218         set.
6219         (fold_marked_statements): New function.
6220         (optimize_inline_calls, tree_function_versioning): Fold new statements.
6221         * tree-inline.h (copy_body_data): Add statements_to_fold.
6222
6223 2007-01-03  Daniel Jacobowitz  <dan@codesourcery.com>
6224
6225         * config.gcc: Mention libgcc/config.host.
6226         * Makefile.in: Update comments mentioning libgcc.
6227         (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
6228         (all.cross, start.encap, rest.encap, rest.cross): Update
6229         dependencies for libgcc move.
6230         (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
6231         (clean-target, clean-target-libgcc): Delete.
6232         (srcdirify, GCC_EXTRA_PARTS): New macros.
6233         (libgcc-support, libgcc.mvars): New rules.
6234         (distclean): Remove mention of mklibgcc.
6235         (install): Don't reference INSTALL_LIBGCC.
6236         (install-common): Don't reference EXTRA_PARTS.
6237         (install-libgcc, install-multilib): Delete rules.
6238         * mklibgcc.in: Delete file.
6239         * doc/configfiles.texi: Don't mention mklibgcc.
6240
6241         * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
6242         * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
6243         * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
6244         * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
6245         (mklibgcc, ldblspecs): Likewise.
6246
6247         * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
6248         (posixpre.def): Use $(T).
6249         (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
6250         (SHLIB_SRC, SHLIB_INSTALL): Delete.
6251         (SHLIB_LINK): Make dummy.
6252         * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
6253
6254         * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
6255
6256         * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
6257         * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
6258         config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
6259         config/rs6000/t-newas, config/sparc/t-elf: Likewise.
6260
6261         * configure.ac (all_outputs): Remove mklibgcc.
6262         * configure: Regenerated.
6263
6264 2007-01-03  Josh Conner  <jconner@apple.com>
6265
6266         PR middle-end/29683
6267         * calls.c (compute_argument_addresses): Set stack and stack_slot
6268         for partial args, too.
6269         (store_one_arg): Use locate.size.constant for the size when
6270         generating a save_area.
6271
6272 2007-01-03  Robert Kennedy <jimbob@google.com>
6273
6274         * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
6275         whose definitions are deleted due to basic block merging.
6276
6277 2007-01-03  Paul Brook  <paul@codesourcery.com>
6278
6279         PR target/16634
6280         * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
6281         functions.
6282         (use_return_insn): Return 0 for Thumb interrupt functions.
6283         (print_multi_reg): Add rfe argument for IRQ returns.
6284         (arm_output_epilogue): Pop interrupt return address directly into PC.
6285         (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
6286
6287 2007-01-03  Paul Brook  <paul@codesourcery.com>
6288
6289         Merge from sourcerygxx-4_1.
6290         * config/arm/thumb2.md: New file.
6291         * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
6292         Thumb-2.
6293         * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
6294         * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
6295         (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
6296         * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
6297         tables.
6298         (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
6299         * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
6300         comptibility.
6301         * config/arm/ieee754-sf.S: Ditto.
6302         * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
6303         (thumb1_base_register_rtx_p): ... to this.
6304         (thumb_index_register_rtx_p): Rename...
6305         (thumb1_index_register_rtx_p): ... to this.
6306         (thumb_output_function_prologue): Rename...
6307         (thumb1_output_function_prologue): ... to this.
6308         (thumb_legitimate_address_p): Rename...
6309         (thumb1_legitimate_address_p): ... to this.
6310         (thumb_rtx_costs): Rename...
6311         (thumb1_rtx_costs): ... to this.
6312         (thumb_compute_save_reg_mask): Rename...
6313         (thumb1_compute_save_reg_mask): ... to this.
6314         (thumb_final_prescan_insn): Rename...
6315         (thumb1_final_prescan_insn): ... to this.
6316         (thumb_expand_epilogue): Rename...
6317         (thumb1_expand_epilogue): ... to this.
6318         (arm_unwind_emit_stm): Rename...
6319         (arm_unwind_emit_sequence): ... to this.
6320         (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
6321         thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
6322         thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
6323         arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
6324         thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
6325         thumb2_output_casesi): New functions.
6326         (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
6327         (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
6328         FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
6329         THUMB2_WORK_REGS): Define.
6330         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
6331         arm_condexec_mask, arm_condexec_masklen)): New variables.
6332         (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
6333         (arm_override_options): Check new CPU capabilities.
6334         Set new architecture flag variables.
6335         (arm_isr_value): Handle v7m interrupt functions.
6336         (user_return_insn): Return 0 for v7m interrupt functions.  Handle
6337         Thumb-2.
6338         (const_ok_for_arm): Handle Thumb-2 constants.
6339         (arm_gen_constant): Ditto.  Use movw when available.
6340         (arm_function_ok_for_sibcall): Return false for v7m interrupt
6341         functions.
6342         (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
6343         (thumb_find_work_register, arm_load_pic_register,
6344         legitimize_tls_address, arm_address_cost, load_multiple_sequence,
6345         emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
6346         print_multi_reg, output_mov_long_double_fpa_from_arm,
6347         output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
6348         output_mov_double_fpa_from_arm, output_move_double,
6349         arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
6350         output_return_instruction, arm_output_function_prologue,
6351         arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
6352         arm_output_mi_thunk, thumb_set_return_address): Ditto.
6353         (arm_expand_prologue): Handle Thumb-2.  Use arm_save_coproc_regs.
6354         (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
6355         (arithmetic_instr, shift_op): Use arm_shift_nmem.
6356         (arm_print_operand): Use arm_print_condition.  Handle '(', ')', '.',
6357         '!' and 'L'.
6358         (arm_final_prescan_insn): Use extract_constrain_insn_cached.
6359         (thumb_expand_prologue): Use thumb_set_frame_pointer.
6360         (arm_file_start): Output directive for unified syntax.
6361         (arm_unwind_emit_set): Handle stack alignment instruction.
6362         * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
6363         Add v6t2, v7, v7a, v7r and v7m.
6364         (RETLDM): Add Thumb-2 code.
6365         (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
6366         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
6367         (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
6368         TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
6369         THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
6370         ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
6371         THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
6372         CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
6373         ADJUST_INSN_LENGTH): Define.
6374         (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
6375         STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
6376         BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
6377         PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
6378         SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
6379         TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
6380         HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
6381         HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
6382         REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
6383         REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
6384         LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
6385         GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
6386         ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
6387         FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
6388         PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
6389         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
6390         * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
6391         cortex-m3.
6392         * config/arm/arm-tune.md: Regenerate.
6393         * config/arm/arm-protos.h: Update prototypes.
6394         * config/arm/vfp.md: Enable patterns for Thumb-2.
6395         (arm_movsi_vfp): Add movw alternative.  Use output_move_vfp.
6396         (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
6397         (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
6398         thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
6399         * config/arm/libunwind.S: Add Thumb-2 code.
6400         * config/arm/constraints.md: Update include Thumb-2.
6401         * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
6402         * config/arm/ieee754-df.S: Ditto.
6403         * config/arm/bpabi.S: Ditto.
6404         * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
6405         * config/arm/predicates.md (low_register_operand,
6406         low_reg_or_int_operand, thumb_16bit_operator): New.
6407         (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
6408         (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
6409         * config/arm/t-arm-elf: Add armv7 multilib.
6410         * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
6411         Include thumb2.md.
6412         (UNSPEC_STACK_ALIGN, ce_count): New.
6413         (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
6414         arm_zero_extendsidi2, arm_zero_extendqidi2): New
6415         insns/expanders.
6416         * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
6417         (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
6418         thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
6419         * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
6420         (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
6421         thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
6422         insns.
6423         * doc/extend.texi: Document ARMv7-M interrupt functions.
6424         * doc/invoke.texi: Document Thumb-2 new cores+architectures.
6425
6426 2007-01-03  Jakub Jelinek  <jakub@redhat.com>
6427
6428         * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
6429         (struct _Unwind_Context): Rename args_size to flags, remove
6430         signal_frame field, add a new args_size field and version field.
6431         (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
6432         _Unwind_IsExtendedContext): New inline functions.
6433         (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
6434         Assume by_value array is only present if _Unwind_IsExtendedContext.
6435         (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
6436         _Unwind_IsSignalFrame.
6437         (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
6438         (uw_update_context_1): Use _Unwind_SetSignalFrame.
6439         (uw_init_context_1): Initialize context->flags to
6440         EXTENDED_CONTEXT_BIT.
6441         * config/rs6000/linux-unwind.h (frob_update_context): Use
6442         _Unwind_SetSignalFrame.
6443
6444 2007-01-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6445
6446         PR middle-end/30353
6447         * gimplify.c (gimplify_modify_expr_complex_part): Move below
6448         tree_to_gimple_tuple.  Call tree_to_gimple_tuple when we need
6449         the value.
6450
6451 2007-01-03  Kazu Hirata  <kazu@codesourcery.com>
6452
6453         * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
6454         REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
6455         RET, AT_SP): Remove.
6456         * config/i386/i386.md (*sse_prologue_save_insn): Use return
6457         instead of RET.
6458
6459         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
6460         * cfgbuild.c (find_basic_blocks): Likewise.
6461         * cfgrtl.c (rtl_create_basic_block): Likewise.
6462         * function.c (temp_slots_at_level): Likewise.
6463         * reg-stack.c (stack_regs_mentioned): Likewise.
6464         * regclass.c (allocate_reg_info): Likewise.
6465         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
6466         set_bb_for_stmt, move_block_to_fn): Likewise.
6467         * tree-complex.c (tree_lower_complex): Likewise.
6468         * vec.h (VEC_safe_grow_cleared): New.
6469
6470         * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
6471
6472 2007-01-03  Zdenek Dvorak <dvorakz@suse.cz>
6473
6474         * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
6475         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
6476         to loop_version.
6477         * cfgloopmanip.c (scale_loop_frequencies): Export.
6478         (loopify): Scale the frequencies by prescribed coefficients.
6479         (set_zero_probability): New function.
6480         (duplicate_loop_to_header_edge): Improve updating of frequencies.
6481         (lv_adjust_loop_entry_edge, loop_version): Set probabilities
6482         and frequencies according to arguments.
6483         * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
6484         correctly.
6485         * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
6486         * modulo-sched.c (sms_schedule): Set probabilities for entering
6487         versioned loop correctly.
6488         * tree-vect-transform.c (vect_transform_loop): Ditto.
6489         * cfgloop.h (loopify, loop_version): Declaration changed.
6490         (scale_loop_frequencies): Declared.
6491
6492 2007-01-02  Jan Hubicka  <jh@suse.cz>
6493
6494         * cgraph.c: Include tree-flow.h
6495         (cgraph_add_new-function): Handle IPA_SSA mode; execute
6496         early_local_passes.
6497         * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
6498         * tree-pass.h (pass_all_early_optimizations): Declare.
6499         * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
6500         early_local_passes.
6501         (cgraph_analyze_function): Do early_local_passes.
6502         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
6503         Do not add referenced vars.
6504         * tree-optimize.c (gate_all_optimizations): Do not execute when not in
6505         SSA form.
6506         (gate_all_early_local_passes): New gate.
6507         (pass_early_local_passes): Use new gate.
6508         (execute_early_local_optimizations): New functions.
6509         (gate_all_early_optimizations): New gate.
6510         (pass_all_early_optimizations): New pass.
6511         (execute_free_datastructures): Free SSA only when initialized.
6512         (gate_init_datastructures): Init only when optimizing.
6513         (tree_lowering_passes): Do early local passes when called late.
6514         * tree-profile.c (do_tree_profiling): Don't profile functions added
6515         late.
6516         (do_early_tree_profiling, pass_early_tree_profile): Kill.
6517         * tree-cfg.c (update_modified_stmts): Do not update when operands are
6518         not active.
6519         * passes.c (init_optimizations_passes): Reorder so we go into SSA
6520         during early_local_passes.
6521         * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
6522
6523
6524 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
6525
6526         * Makefile.in: Update copyright year.
6527
6528 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
6529
6530         * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
6531         in $(lang_checks) and check-consistency targets.
6532
6533 2007-01-02  Jan Hubicka  <jh@suse.cz>
6534
6535         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
6536         Do not add referenced vars.
6537         * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
6538         are not active.
6539         * passes.c (init_optimization_passes): Put mudflap_2 after
6540         free_datastructures.
6541
6542 2007-01-02  Jan Hubicka  <jh@suse.cz>
6543
6544         * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
6545         Set NOTHROW flag on call statements proved to be nothrow.
6546         Update statement of local calls so new pure/const functions are
6547         updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
6548         goto receivers.
6549         (tree_rest_of_compilation): Register hooks and initialize bitmap
6550         early. Do not set after_inlining flag.
6551
6552 2007-01-02  Steve Ellcey  <sje@cup.hp.com>
6553
6554         * sbitmap.c (HOST_BITS_PER_LONG_LONG):  Change to
6555         HOST_BITS_PER_LONGLONG
6556
6557 2007-01-02  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
6558
6559         PR c/19977
6560         * c-typeck.c (store_init_value): Don't emit pedantic overflow
6561         warning for non-static initializers.
6562
6563 2007-01-02  Steven Bosscher  <steven@gcc.gnu.org>
6564
6565         * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
6566         m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
6567         rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
6568         Always use set_unique_reg_note to add REG_EQUAL notes.
6569
6570 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
6571
6572         Revert:
6573         2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
6574
6575         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
6576         * cfgbuild.c (find_basic_blocks): Likewise.
6577         * cfgrtl.c (rtl_create_basic_block): Likewise.
6578         * function.c (temp_slots_at_level): Likewise.
6579         * reg-stack.c (stack_regs_mentioned): Likewise.
6580         * regclass.c (allocate_reg_info): Likewise.
6581         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
6582         set_bb_for_stmt, move_block_to_fn): Likewise.
6583         * tree-complex.c (tree_lower_complex): Likewise.
6584         * vec.h (VEC_safe_grow_cleared): New.
6585
6586 2007-01-02  Ian Lance Taylor  <iant@google.com>
6587
6588         * c-common.c (c_common_truthvalue_conversion): When warning about
6589         using an assignment as a truth value, set TREE_NO_WARNING.
6590
6591 2007-01-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6592
6593         PR middle-end/7651
6594         * c.opt (Wold-style-declaration): New.
6595         * doc/invoke.texi (C-only Warning Options): New.
6596         (Wold-style-declaration): Document it.
6597         (Wextra): Enabled by -Wextra.
6598         * c-opts.c (c_common_post_options): Enabled by -Wextra.
6599         * c-decl.c (declspecs_add_scspec): Replace -Wextra with
6600         -Wold-style-declaration.
6601
6602 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
6603
6604         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
6605         * cfgbuild.c (find_basic_blocks): Likewise.
6606         * cfgrtl.c (rtl_create_basic_block): Likewise.
6607         * function.c (temp_slots_at_level): Likewise.
6608         * reg-stack.c (stack_regs_mentioned): Likewise.
6609         * regclass.c (allocate_reg_info): Likewise.
6610         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
6611         set_bb_for_stmt, move_block_to_fn): Likewise.
6612         * tree-complex.c (tree_lower_complex): Likewise.
6613         * vec.h (VEC_safe_grow_cleared): New.
6614
6615 2007-01-02  Douglas Gregor  <doug.gregor@gmail.com>
6616
6617         * c-common.c (c_common_nodes_and_builtins): Since variants of
6618         void_type_node get built before it is given a name, we need to
6619         give those variants the name, too.
6620         (complete_array_type): We need to work with the canonical main
6621         type of the array, from which we will build the qualified version.
6622         * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
6623         * print-tree.c (print_node): Display canonical type information
6624         for each type.
6625         * stor-layout.c (layout_type): When we don't know the
6626         alignment of a type for which we're building an array, we end up
6627         guessing wrong, so make the type require structural equality.
6628         * tree.c (make_node_stat): When we build a new type, it is its
6629         own canonical type.
6630         (build_type_attribute_qual_variant): When building an attribute
6631         variant, its canonical type is the non-attribute variant. However,
6632         if the attributes are target-dependent and they differ, we need to
6633         use structural equality checks for this type.
6634         (build_qualified_type): A qualified type is not equivalent to its
6635         unqualified variant; set the canonical type appropriately.
6636         (build_distinct_type_copy): When building a distinct type from
6637         another type, the new type is its own canonical type.
6638         (build_variant_type_copy): When building a new type variant, we
6639         assume that it is equivalent to the original type.
6640         (build_pointer_type_for_mode): When building a pointer type, also
6641         build a canonical type pointer.
6642         (build_reference_type_for_mode): When building a reference type,
6643         also build a canonical type reference.
6644         (build_index_type): When we can't hash an index type (e.g.,
6645         because its maximum value is negative), the index type requires
6646         structural equality tests.
6647         (build_array_type): Build the canonical form of an array type.
6648         (build_function_type): Function types require structural equality,
6649         because they contain default arguments, attributes, etc.
6650         (build_method_type_directly): Ditto for method types.
6651         (build_offset_type): Build the canonical offset type.
6652         (build_complex_type): Build the canonical vector type.
6653         (make_vector_type): Build the canonical vector type.
6654         * tree.h (TYPE_CANONICAL): New.
6655         (TYPE_STRUCTURAL_EQUALITY_P): New.
6656         (SET_TYPE_STRUCTURAL_EQUALITY): New.
6657         (struct tree_type): Added "canonical" field.
6658         * params.h (VERIFY_CANONICAL_TYPES): New.
6659         * doc/c-tree.texi (TYPE_CANONICAL): Document.
6660         (TYPE_STRUCTURAL_EQUALITY_P): Document.
6661         (SET_TYPE_STRUCTURAL_EQUALITY): Document.
6662         * doc/invoke.texi (verify-canonical-types): Document --param
6663         parameter for verifying canonical types.
6664
6665 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
6666
6667         * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
6668         powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
6669         powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
6670         powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
6671         tm_file.
6672         * config/rs6000/e500.h: New.
6673         * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
6674         TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
6675         Remove.
6676         * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
6677         TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
6678         TARGET_E500_DOUBLE): Remove.
6679         * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
6680         TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
6681         * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
6682         * config/rs6000/rs6000.c (rs6000_override_options): Use
6683         CHECK_E500_OPTIONS.
6684
6685 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
6686
6687         * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
6688         TARGET_E500_DOUBLE), not TARGET_E500, for %y.
6689         (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
6690         rs6000_emit_cmove): Don't check TARGET_E500.
6691         * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
6692         sordered): Don't check TARGET_E500.
6693
6694 2007-01-01  Eric Christopher  <echristo@apple.com>
6695
6696         * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
6697         HARD_REGISTER_NUM_P.
6698
6699 2007-01-01  Roger Sayle  <roger@eyesopen.com>
6700
6701         * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
6702         "X eq/ne (C1^C2)".  Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
6703         has no side-effects.  Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
6704         eq/ne Y".
6705
6706 2007-01-01  Mike Stump  <mrs@apple.com>
6707
6708         * configure.ac: Remove support for building with Apple's gcc-3.1.
6709
6710 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
6711
6712         PR middle-end/30311
6713         * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
6714         REG is a hard register.  Do not modify REG before calling
6715         subreg_nregs.
6716         * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
6717         multiple of the size of YMODE for certain lowpart cases.
6718
6719 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
6720
6721         PR middle-end/30253
6722         * gimplify (voidify_wrapper_expr): Update for
6723         GIMPLE_MODIFY_STMT.
6724
6725 2007-01-01  Andreas Schwab  <schwab@suse.de>
6726
6727         PR target/29166
6728         * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
6729         save of BR0 in extra_spill_size instead of spill_size.
6730         (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
6731         area.
6732         (ia64_expand_epilogue): Restore BR0 from its new location.
6733
6734 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
6735
6736         * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
6737         Use a temporary variable if the left hand side is not a gimple
6738         register.
6739
6740 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
6741
6742         * gimplify.c (gimplify_return_expr): Make the temporary variable
6743         for the return expression, a gimple register variable.
6744
6745 2007-01-01  Jan Hubicka  <jh@suse.cz>
6746
6747         * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
6748         INSN_LIST.
6749
6750 2007-01-01  Mike Stump  <mrs@apple.com>
6751
6752         * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
6753         .literal16.
6754         * config/darwin.c (machopic_select_rtx_section): Use
6755         HAVE_GAS_LITERAL16.
6756         (darwin_mergeable_constant_section): Likewise.
6757         * configure: Regenerate.
6758         * config.in: Regenerate.
6759
6760 2007-01-01  Jan Hubicka  <jh@suse.cz>
6761             Andrew Pinski  <pinskia@gmail.com>
6762
6763         * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
6764         before starting IPA passes.