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1 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
2
3         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-vers.texi dependency.
4
5 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
6
7         * doc/include/gcc-common.texi (versionsubtitle): New macro.
8         * doc/cpp.texi: Standardize title page.
9         * doc/cppinternals.texi: Likewise.
10         * doc/gcc.texi: Standardize title page, remove version number
11         from copyright page.
12         * doc/gccint.texi: Likewise.
13         * doc/install.texi: Standardize title page, add table of
14         contents.
15
16 2007-02-26  Jan Hubicka  <jh@suse.cz>
17
18         * predict.def: Set outcomes according to more recent results.
19         (PRED_LOOP_CONDITION, PRED_LOOP_PRECONDITIONING, PRED_LOOP_HEADER):
20         Remove dead predictors.
21         * predict.c (return_prediction): Fix pasto.
22
23 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
24
25         * loop-iv.c (simplify_using_initial_values): Fix oversight in previous
26         change; avoid a memory leak when returning early.
27         
28 2007-02-26  Mark Mitchell  <mark@codesourcery.com>
29
30         * c-decl.c (static_ctors): Move to c-common.c.
31         (static_dtors): Likewise.
32         (finish_function): Use c_record_cdtor_fn.
33         (build_cdtor): Move to c-common.c.
34         (c_write_global_declarations): Use c_build_cdtor_fns.
35         * c-common.h (static_ctors): Declare.
36         (static_dtors): Likewise.
37         (c_record_cdtor_fn): Likewise.
38         (c_build_cdtor_fns): Likewise.
39         * c-common.c (static_ctors): New variable.
40         (static_dtors): Likewise.
41         (c_record_cdtor_fn): New function.
42         (build_cdtor): Move from c-decl.c
43         (c_build_cdtor_fns): New function.
44
45         * output.h (assemble_addr_to_section): Declare.
46         (get_cdtor_priority_section): Likewise.
47         * varasm.c (assemble_addr_to_section): New function.
48         (get_cdtor_priority_section): Likewise.
49         (default_named_section_asm_out_destructor): Use them.
50         (destor_dtor_section_asm_out_destructor): Likewise.
51         (default_named_section_asm_out_constructor): Likewise.
52         (default_ctor_section_asm_out_constructor): Likewise.
53         * config.gcc (*-*-vxworks*): Include vxworks.o.
54         * config/t-vxworks (vxworks.o): New target.
55         * config/vxworks.h (ALWAYS_NUMBER_CTORS_SECTIONS): Remove.
56         (TARGET_ASM_CONSTRUCTOR): Define.
57         (TARGET_ASM_DESTRUCTOR): Likewise.
58         (vxworks_asm_out_constructor): Declare.
59         (vxworks_asm_out_destructor): Likewise.
60
61         * c-common.c (get_priority): Check that we have not just an
62         INTEGER_CST, but an integer constant with integeral type.
63
64 2007-02-25  Uros Bizjak  <ubizjak@gmail.com>
65
66         PR tree-optimization/30938
67         * tree-vect-transform.c (vectorizable_call): Fix off-by-one error:
68         use &dt[nargs-1] instead of &dt[nargs] in the call to
69         vect_is_simple_use().
70
71 2007-02-25  Ulrich Weigand  <uweigand@de.ibm.com>
72
73         * reload.c (find_reloads_address_1): Handle PLUS expressions resulting
74         from register elimination as PRE_MODIFY / POST_MODIFY increments.
75         Do not attempt to handle MEM inside auto-inc expressions.
76         * reload1.c (eliminate_regs_1): Do not attempt to handle elimination
77         of a register modified by an auto-inc expression.  However, do handle
78         elimination of a register used as PRE_MODIFY / POST_MODIFY increment.
79         (elimination_effects): Prohibit elimination of a register modified
80         by an auto-inc expression.  Disable register elimination rules whose
81         target register is modified by an auto-inc expression with variable
82         increment.
83
84 2007-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
85
86         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): Fix
87         off-by-one error.
88         (array_at_struct_end_p): New function.
89         (idx_infer_loop_bounds): Use it.
90         (estimate_numbers_of_iterations_loop): Export.
91         * predict.c (predict_loops): Use estimated_loop_iterations_int.
92         Do not use PRED_LOOP_EXIT on exits predicted by # of iterations.
93         (tree_estimate_probability): Call record_loop_exits.
94         * tree-data-ref.c (get_number_of_iters_for_loop): Replaced by ...
95         (estimated_loop_iterations, estimated_loop_iterations_int,
96         estimated_loop_iterations_tree): New functions.
97         (analyze_siv_subscript_cst_affine,
98         compute_overlap_steps_for_affine_1_2,
99         analyze_subscript_affine_affine): Use estimated_loop_iterations_int.
100         (analyze_miv_subscript): Use estimated_loop_iterations_tree.
101         * predict.def (PRED_LOOP_ITERATIONS): Update comment.
102         (PRED_LOOP_ITERATIONS_GUESSED): New.
103         * cfgloop.c (record_loop_exits): Do nothing if there are no loops.
104         * cfgloop.h (estimate_numbers_of_iterations_loop,
105         estimated_loop_iterations_int): Declare.
106
107 2007-02-25  Mark Mitchell  <mark@codesourcery.com>
108
109         * doc/extend.texi: Document optional priority argument to
110         constructors and destructors.
111         * tree.c (init_priority_for_decl): Adjust GTY markers.
112         (init_ttree): Use priority-info hash functions for
113         init_priority_for_decl.
114         (tree_map_eq): Rename to ...
115         (tree_map_base_eq): ... this.
116         (tree_map_marked_p): Rename to ...
117         (tree_map_base_marked_p): ... this.
118         (tree_map_base_hash): New function.
119         (decl_init_priority_lookup): Rework.
120         (decl_fini_priority_lookup): New function.
121         (decl_priority_info): New function.
122         (decl_init_priority_insert): Use it.
123         (decl_fini_priority_insert): Likewise.
124         (decl_restrict_base_lookup): Adjust for refactoring of tree_map
125         hierarchy.
126         (decl_restrict_base_insert): Likewise.
127         (decl_debug_expr_insert): Likewise.
128         (decl_value_expr_lookup): Likewise.
129         (decl_value_expr_insert): Likewise.
130         * tree.h (priority_type): New type.
131         (decl_init_priority_lookup): Use priority_type.
132         (decl_fini_priority_lookup): New function.
133         (decl_init_priority_insert): Use priority_type.
134         (decl_fini_priority_insert): New function.
135         (DECL_HAS_INIT_PRIORITY): Tweak comments.
136         (DECL_INIT_PRIORITY): Likewise.
137         (SET_DECL_INIT_PRIORITY): Add comment.
138         (DECL_FINI_PRIORITY): New macro.
139         (SET_DECL_FINI_PRIORITY): Likewise.
140         (DEFAULT_INIT_PRIORITY): Document.
141         (MAX_INIT_PRIORITY): Likewise.
142         (MAX_RESERVED_INIT_PRIORITY): Likewise.
143         (tree_map_base): New type.
144         (tree_map_base_eq): New function.
145         (tree_map_base_hash): Likewise.
146         (tree_map_base_marked_p): Likewise.
147         (tree_map): Inherit from tree_map_base.
148         (tree_map_eq): Make it a macro.
149         (tree_map_marked_p): Likewise.
150         (tree_int_map): Inherit from tree_map_base.
151         (tree_int_map_eq): Make it a macro.
152         (tree_int_map_hash): Likewise.
153         (tree_int_map_marked_p): Likewise.
154         (tree_priority_map): New type.
155         (tree_priority_map_eq): New macro.
156         (tree_priority_map_hash): Likewise.
157         (tree_priority_map_marked_p): Likewise.
158         * varasm.c (emults_decl): Adjust for refactoring of tree_map
159         hierarchy.
160         (emutls_common_1): Likewise.
161         * lambda-code.c (replace_uses_equiv_to_x_with_y): Likewise.
162         * tree-ssa-structalias.c (heapvar_lookup): Adjust for refactoring
163         of tree_map hierarchy.
164         * tree-cfg.c (move_stmt_r): Likewise.
165         (new_label_mapper): Likewise.
166         * c-tree.h (c_expand_body): Move to ...
167         * c-common.h (c_expand_body): ... here.
168         * c-decl.c (c_expand_body): Move to ...
169         * c-common.c (c_expand_body): ... here.
170         (c_common_attribute_table): Allow 1 argument for the constructor
171         and destructor attributes.
172         (get_priority): New function.
173         (handle_constructor_attribute): Set DECL_INIT_PRIORITY.
174         (handle_destructor_attribute): Set DECL_FINI_PRIORITY.
175
176 2007-02-24  Jan Hubicka  <jh@suse.cz>
177
178         PR middle-end/30509
179         * tree-inline.c (copy_bb): Produce exact copy of EH info when copying for inlining.
180
181 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
182             Jan Hubicka  <jh@suse.cz>
183
184         PR target/30778
185         * i386.c (counter_mode): New function.
186         (expand_set_or_movmem_via_loop): Use it.
187         (expand_movmem_epilogue): Likewise; fix pasto.
188         (ix86_expand_movmem): Do emit guard even for constant counts.
189         (ix86_expand_setmem): Likewise.
190
191 2007-02-25  Nick Clifton  <nickc@redhat.com>
192
193         * config/frv/frv.h (ASM_OUTPUT_CASE_LABEL): Delete.
194         (JUMP_TABLES_IN_TEXT_SECTION): Define.
195
196 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
197
198         PR target/30770
199         * config/i386/i386.md (expand_movmem_epilogue): Fix typo, mask
200         count argument with 0x10, not with 0x16.
201         (expand_setmem_epilogue): Ditto.
202
203 2007-02-24  Mike Stump  <mrs@apple.com>
204
205         * config/i386/i386.c (output_pic_addr_const): Stubify optimized
206         symbols.
207
208 2007-02-24  Richard Guenther  <rguenther@suse.de>
209
210         PR middle-end/30951
211         * fold-const.c (fold_binary): Fold x +- CST op x for
212         EQ_EXPR and NE_EXPR.
213
214 2007-02-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
215
216         * pa.md (muldi3): Force subregs to registers in 64-bit expander.
217
218 2007-02-24  Jan Hubicka  <jh@suse.cz>
219
220         * cgraphunit.c (decide_is_function_needed): Honor
221         -fkeep-inline-functions.
222
223 2007-02-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
224
225         * builtins.c (fold_builtin_modf): New.
226         (fold_builtin_2): Use it.
227
228 2007-02-24  Bernd Schmidt  <bernd.schmidt@analog.com>
229
230         * loop-iv.c (implies_p): Detect additional cases where A implies B.
231         (determine_max_iter): Take additional LOOP arg; all callers changed.
232         Lose broken logic dealing with PLUS.  Try to limit the upper bound by
233         one using simplifications.
234         (simplify_using_initial_values): Return if the expression becomes
235         invalid due to altered regs.
236
237 2007-02-23  DJ Delorie  <dj@redhat.com>
238
239         * doc/tm.h (BIGGEST_ALIGNMENT): Clarify the purpose of this macro.
240
241 2007-02-23  Mike Stump  <mrs@apple.com>
242
243         * tlink.c (scan_linker_output): Parse linker messages from
244         darwin9's linker better.
245
246 2007-02-23  Steve Ellcey  <sje@cup.hp.com>
247
248         PR debug/29614
249         * varpool.c (varpool_assemble_pending_decls):  Set
250         varpool_last_needed_node to null.
251
252 2007-02-23  DJ Delorie  <dj@redhat.com>
253
254         * config/i386/i386.c (ix86_data_alignment): Don't specify an
255         alignment bigger than the object file can handle.
256
257 2007-02-23  Uros Bizjak  <ubizjak@gmail.com>
258
259         PR target/30825
260         * config/i386/i386.md (*movdi_1_rex64, zero_extendsidi2_32,
261         zero_extendsidi2_rex64): Penalize MMX register<->memory moves.
262         (*movsf_1): Penalize MMX moves.
263
264 2007-02-23  Bernd Schmidt  <bernd.schmidt@analog.com>
265
266         * config/bfin/bfin.md (doloop_end): Fail for loops that can iterate
267         2^32-1 or more times unless flag_unsafe_loop_optimizations.
268
269         * loop-iv.c (determine_max_iter): Moved in front of its sole user.
270
271 2007-02-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
272
273         * builtins.c (fold_builtin_logb, fold_builtin_significand): New.
274         (fold_builtin_1): Use them.
275         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
276         BUILT_IN_SIGNIFICAND.
277
278 2007-02-23  H.J. Lu  <hongjiu.lu@intel.com>
279
280         * config/i386/i386.c (bdesc_1arg): Initialize
281         IX86_BUILTIN_MOVSHDUP and IX86_BUILTIN_MOVSLDUP with
282         "__builtin_ia32_movshdup" and "__builtin_ia32_movsldup".
283         (ix86_init_mmx_sse_builtins): Remove IX86_BUILTIN_MOVSHDUP
284         and IX86_BUILTIN_MOVSLDUP.
285
286 2007-02-22  Paolo Bonzini  <bonzini@gnu.org>
287
288         PR rtl-optimization/30841
289         * fwprop.c (propagate_rtx_1): Accept a VOIDmode replacement address.
290
291 2007-02-22  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
292
293         * builtins.c (fold_builtin_frexp): New.
294         (fold_builtin_2): Use it.
295
296 2007-02-22  Mark Mitchell  <mark@codesourcery.com>
297
298         * doc/invoke.texi (Spec Files): Document getenv spec function.
299
300         * gcc.c (getenv_spec_function): New function.
301         (static_spec_functions): Add it.
302         * config/vxworks.h (VXWORKS_TARGET_DIR): Remove.
303         (VXWORKS_ADDITIONAL_CPP_SPEC): Use getenv to find the VxWorks
304         header files.
305
306 2007-02-22  Michael Matz  <matz@suse.de
307
308         PR c++/29433
309         * dwarf2out.c (add_AT_string): Call ggc_strdup once per string.
310         (type_tag): Use lang_hooks.dwarf_name instead of DECL_NAME.
311
312 2007-02-22  Ian Lance Taylor  <iant@google.com>
313
314         PR debug/30898
315         * dwarf2out.c (concatn_mem_loc_descriptor): New static function.
316         (mem_loc_descriptor): Call it.
317
318 2007-02-22  Zdenek Dvorak  <dvorakz@suse.cz>
319             Ira Rosen  <irar@il.ibm.com>
320
321         * tree-data-ref.c (ptr_ptr_may_alias_p): Take alias sets into account.
322
323 2007-02-22  Ira Rosen  <irar@il.ibm.com>
324
325         PR tree-optimization/30843
326         * tree-vect-transform.c (vect_transform_loop): Remove strided scalar 
327         stores only after all the group is vectorized.
328
329 2007-02-22  Dorit Nuzman  <dorit@il.ibm.com>
330
331         PR tree-optimization/30858
332         * tree-vectorizer.c (vect_is_simple_reduction): Check that the stmts
333         in the reduction cycle have a single use in the loop.
334         * tree-vectorizer.h (relevant): Add documentation.
335
336 2007-02-20  Mike Stump  <mrs@apple.com>
337
338         * configure.ac (powerpc*-*-darwin*): #include <sys/cdefs.h>.
339         * configure: Regenerate.
340
341 2007-02-21  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
342
343         Change the defaults of some parameters and options.
344         * config/spu/spu-protos.h (spu_optimization_options): Declare.
345         * config/spu/spu.c (spu_optimization_options): Add.
346         (spu_override_options): Change params in spu_optimization_options.
347         * config/spu/spu.h (OPTIMIZATION_OPTIONS): Define.
348
349         Register 127 is only 16 byte aligned when used as a frame pointer.
350         * config/spu/spu-protos.h (spu_init_expanders): Declare.
351         * config/spu/spu.c (spu_expand_prologue): Set REGNO_POINTER_ALIGN for
352         HARD_FRAME_POINTER_REGNUM.
353         (spu_legitimate_address):  Use regno_aligned_for_reload.
354         (regno_aligned_for_load):  HARD_FRAME_POINTER_REGNUM is only 16 byte
355         aligned when frame_pointer_needed is true.
356         (spu_init_expanders): New.  Set alignment of HARD_FRAME_POINTER_REGNUM
357         to 8 bits.
358         * config/spu/spu.h (INIT_EXPANDERS): Define.
359
360         Make sure shift and rotate instructions have valid immediate operands.
361         * config/spu/predicates.md (spu_shift_operand): Remove.
362         * config/spu/spu.c (print_operand): Add [efghEFGH] modifiers.
363         * config/spu/constraints.md (W, O): Extend range.
364         * config/spu/spu.md (umask, nmask): Define.
365         (ashl<mode>3, ashldi3, ashlti3_imm, shlqbybi_ti, shlqbi_ti, shlqby_ti,
366         lshr<mode>3, rotm_<mode>, lshr<mode>3_imm, rotqmbybi_<mode>,
367         rotqmbi_<mode>, rotqmby_<mode>, ashr<mode>3, rotma_<mode>,
368         rotl<mode>3, rotlti3, rotqbybi_ti, rotqby_ti, rotqbi_ti): Use
369         spu_nonmem_operand instead of spu_shift_operands.  Use new modifiers.
370         (lshr<mode>3_reg):  Fix rtl description.
371
372         Make sure mulhisi immediate operands are valid.
373         * config/spu/predicates.md (imm_K_operand): Add.
374         * config/spu/spu.md (mulhisi3_imm, umulhisi3_imm): Use imm_K_operand.
375
376         Generate constants using fsmbi and andi.
377         * config/spu/spu.c (enum immediate_class): Add IC_FSMBI2.
378         (print_operand, spu_split_immediate, classify_immediate,
379         fsmbi_const_p): Handle IC_FSMBI2.
380
381         Correctly handle a CONST_VECTOR containing symbols.
382         * config/spu/spu.c (print_operand): Handle HIGH correctly.
383         (spu_split_immediate): Split CONST_VECTORs with -mlarge-mem.
384         (immediate_load_p): Allow symbols that use 2 instructions to create.
385         (classify_immediate, spu_builtin_splats):  Don't accept a CONST_VECTOR
386         with symbols when flag_pic is set.
387         (const_vector_immediate_p): New.
388         (logical_immediate_p, iohl_immediate_p, arith_immediate_p): Don't
389         accept a CONST_VECTOR with symbols.
390         (spu_legitimate_constant_p): Use const_vector_immediate_p.  Don't
391         accept a CONST_VECTOR with symbols when flag_pic is set.  Handle HIGH
392         correctly.
393         * config/spu/spu.md (high, low): Delete.
394         (low_<mode>): Define.
395
396         Remove INTRmode and INTR_REGNUM, which didn't work.
397         * config/spu/spu.c (spu_conditional_register_usage): Remove reference
398         of INTR_REGNUM.
399         * config/spu/spu-builtins.md (spu_idisable, spu_ienable, set_intr,
400         set_intr_pic, set_intr_cc, set_intr_cc_pic, set_intr_return, unnamed
401         peephole2 pattern): Don't use INTR or 131.
402         (movintrcc): Delete.
403         * config/spu/spu.h (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS,
404         CALL_USED_REGISTERS, REGISTER_NAMES, INTR_REGNUM): Remove INTR_REGNUM.
405         * config/spu/spu.md (UNSPEC_IDISABLE, UNSPEC_IENABLE): Remove.
406         (UNSPEC_SET_INTR): Add.
407         * config/spu/spu-modes.def (INTR): Remove.
408
409         More accurate warnings about run-time relocations.
410         * config/spu/spu.c (reloc_diagnostic): Test in_section.
411
412         Correctly warn about immediate arguments to specific intrinsics.
413         * config/spu/spu.c (spu_check_builtin_parm): Handle CONST_VECTORs.
414         (spu_expand_builtin_1): Call spu_check_builtin_parm before checking
415         the instruction predicate.
416
417         Fix tree check errors with latest update.
418         * config/spu/spu.c (expand_builtin_args, spu_expand_builtin_1): Use
419         CALL_EXPR_ARG.
420         (spu_expand_builtin): Use CALL_EXPR_FN.
421
422         Add missing specific intrinsics.
423         * config/spu/spu-builtins.def: Add si_bisled, si_bisledd and
424         si_bislede.
425         * config/spu/spu_internals.h: Ditto.
426
427         Fix incorrect operand modifiers.
428         * config/spu/spu-builtins.md (spu_mpy, spu_mpyu):  Remove use of %H.
429         * config/spu/spu.md (xor<mode>3):  Change %S to %J.
430
431         Optimize one case of zero_extend of a vec_select.
432         * config/spu/spu.md (_vec_extractv8hi_ze):  Add.
433
434         Accept any immediate for hbr.
435         * config/spu/spu.md (hbr):  Change s constraints to i.
436
437 2007-02-21  Paul Brook  <paul@codesourcery.com>
438
439         * config/arm/arm.c (thumb2_final_prescan_insn): Don't incrememnt
440         condexec_count when skipping USE and CLOBBER.
441
442 2007-02-21  Nick Clifton  <nickc@redhat.com>
443
444         * common.opt (Warray-bounds): Add Warning attribute.
445         (Wstrict-overflow, Wstrict-overflow=, Wcoverage-mismatch):
446         Likewise.
447         (fsized-zeroes): Add Optimization attribute.
448         (fsplit-wide-types, ftree-scev-cprop): Likewise.
449         * c.opt (Wc++0x-compat): Add Warning attribute.
450
451 2007-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
452
453         PR middle-end/30761
454         * reload1.c (eliminate_regs_in_insn): In the single_set special
455         case, attempt to re-recognize the insn before falling back to
456         having reload fix it up.
457
458 2007-02-20  Eric Christopher  <echristo@gmail.com>
459
460         * config/frv/frv.c (frv_read_argument): Take a tree and int argument.
461         Rewrite accordingly.
462         (frv_read_iacc_argument): Ditto.
463         (frv_expand_set_builtin): Take a call instead of arglist, update for
464         above changes.
465         (frv_expand_unop_builtin): Ditto.
466         (frv_expand_binop_builtin): Ditto.
467         (frv_expand_cut_builtin): Ditto.
468         (frv_expand_binopimm_builtin): Ditto.
469         (frv_expand_voidbinop_builtin): Ditto.
470         (frv_expand_int_void2arg): Ditto.
471         (frv_expand_prefetches): Ditto.
472         (frv_expand_voidtriop_builtin): Ditto.
473         (frv_expand_voidaccop_builtin): Ditto.
474         (frv_expand_load_builtin): Ditto.
475         (frv_expand_store_builtin): Ditto.
476         (frv_expand_mdpackh_builtin): Ditto.
477         (frv_expand_mclracc_builtin): Ditto.
478         (frv_expand_mrdacc_builtin): Ditto.
479         (frv_expand_mwtacc_builtin): Ditto.
480         (frv_expand_builtin): Remove usage of CALL_EXPR_ARGS, update
481         calls for above.
482
483 2007-02-20  Janis Johnson  <janis187@us.ibm.com>
484
485         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcmpb and -mdfp.
486         * configure.ac (HAVE_GAS_CMPB): Check for assembler support of the
487         cmpb instruction.
488         (HAVE_GAS_DFP): Check for assembler support of decimal floating
489         point instructions.
490         * configure: Regenerate.
491         * config.in: Regenerate.
492         * config/rs6000/rs6000.opt (mcmpb, mdfp): New.
493         * config/rs6000/rs6000.c (rs6000_override_options): Add CMPB and DFP
494         masks to power6 and power6x and to POWERPC_MASKS.
495         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
496         _ARCH_PWR6.
497         * config/rs6000/rs6000.h: Check assembler support for CMPB and DFP.
498         * config/rs6000/sysv4.opt (mprototype): Use variable, not mask.
499         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
500         Access PROTOTYPE as variable, not mask.
501
502 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
503
504         * rtl.h (remove_reg_equal_equiv_notes): New prototype.
505         * rtlanal.c (remove_reg_equal_equiv_notes): New function.
506         * combine.c (adjust_for_new_dest): Use it.
507         * postreload.c (reload_combine): Likewise.
508
509 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
510
511         * rtlanal.c (find_reg_equal_equiv_note): Do not find REG_EQ*
512         notes on an insn with multiple sets, even if single_set returns
513         non-NULL for that insn.
514
515 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
516
517         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle scalb,
518         scalbn and scalbln.
519
520 2007-02-20  Geoffrey Keating  <geoffk@apple.com>
521
522         * config/darwin.h (LINK_SPEC): Default -mmacosx-version-min only
523         if user didn't pass it.
524         * config/i386/darwin.h (CC1_SPEC): Likewise.
525         * config/rs6000/darwin.h (CC1_SPEC): Likewise.
526         (DARWIN_MINVERSION_SPEC): Don't depend on user's setting of
527         -mmacosx-version-min.
528
529 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
530             Uros Bizjak  <ubizjak@gmail.com>
531
532         * optabs.h (enum optab_index): Add new OTI_scalb.
533         (scalb_optab): Define corresponding macro.
534         * optabs.c (init_optabs): Initialize scalb_optab.
535         * genopinit.c (optabs): Implement scalb_optab using scalb?f3
536         patterns.
537         * builtins.c (expand_builtin_mathfn_2, expand_builtin): Handle
538         BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L} and BUILT_IN_SCALBLN{,F,L}.
539         (expand_builtin): Expand BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L}
540         and BUILT_IN_SCALBLN{,F,L} using expand_builtin_mathfn_2 if
541         flag_unsafe_math_optimizations is set.
542
543         * config/i386/i386.md (scalbxf3, scalb<mode>3): New expanders
544         to implement scalbf, scalb and scalbl built-ins as inline x87
545         intrinsics.
546
547 2007-02-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
548             DJ Delorie <dj@redhat.com>
549
550         PR other/30824
551         * diagnostic.c (diagnostic_count_diagnostic): Move -Werror logic to...
552         (diagnostic_report_diagnostic): ... here, and turn them into real
553         errors. If warnings are inhibited, no need to do anything.
554
555 2007-02-20  Uros Bizjak  <ubizjak@gmail.com>
556
557         * config/i386/i386.md (expm1xf2): Reorder insn sequence for
558         better code generation.
559
560 2007-02-20  Ben Elliston  <bje@au.ibm.com>
561
562         * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove extra ;.
563
564 2007-02-20  Kazu Hirata  <kazu@codesourcery.com>
565
566         * config/alpha/alpha.c, config/alpha/alpha.md,
567         config/alpha/lib1funcs.asm, config/alpha/vms-crt0-64.c,
568         config/alpha/vms-psxcrt0-64.c, config/arc/arc.c,
569         config/arc/arc.h, config/arm/arm.c, config/arm/arm.md,
570         config/arm/lib1funcs.asm: Follow spelling conventions.
571
572         * config/c4x/c4x.md, config/cris/cris.c, config/crx/crx.c,
573         config/fr30/fr30.md, config/i386/i386.h,
574         config/iq2000/iq2000.h, config/iq2000/predicates.md,
575         config/pa/milli64.S, config/pa/pa.c, config/pa/pa.h,
576         config/pa/pa.md, config/pa/pa32-regs.h, config/pa/pa64-regs.h,
577         config/pdp11/pdp11.c, config/pdp11/pdp11.h,
578         config/rs6000/altivec.md, config/rs6000/rs6000.c,
579         config/s390/s390-modes.def, config/sparc/netbsd-elf.h,
580         config/sparc/sparc.c, config/sparc/sparc.h,
581         config/sparc/sparc.md, config/spu/constraints.md,
582         config/spu/spu.c, config/stormy16/stormy16.md: Follow spelling
583         conventions.
584
585 2007-02-20  Alan Modra  <amodra@bigpond.net.au>
586
587         PR target/29943
588         * varasm.c (use_blocks_for_decl_p): Return false for decls with
589         alias attribute.
590
591 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
592
593         * doc/invoke.texi (-ftree-lrs): Remove.
594
595 2007-02-19  Diego Novillo  <dnovillo@redhat.com>
596
597         * tree-ssa-pre.c (create_value_expr_from): Initialize POOL to
598         NULL.
599
600 2007-02-19  Lee Millward  <lee.millward@codesourcery.com>
601
602         * config/ia64/ia64.c (ia64_expand_builtin): Use the
603         new CALL_EXPR_FN macro for retrieving the function
604         declaration of the input expression.
605
606 2007-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
607
608         * c.opt (Waddress): New.
609         * common.opt (Walways-true): Delete.
610         (Wstring-literal-comparison): Delete.
611         * doc/invoke.texi (Warning Options): Delete -Walways-true and
612         -Wstring-literal-comparison. Add -Waddress.
613         (Waddress): New.
614         (Walways-true): Delete.
615         (Wstring-literal-comparison): Delete.
616         * doc/extend.texi (#pragma GCC diagnostic): Use -Wformat
617         consistently instead of -Walways-true in example.
618         * c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall.
619         * c-typeck.c (parser_build_binary_op): Replace
620         -Wstring-literal-comparison and -Walways-true with -Waddress.
621         * c-common.c (c_common_truthvalue_conversion): Replace -Walways-true
622         with -Waddress.
623
624 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
625
626         * tree-cfg.c (dump_function_to_file): Be prepared for functions
627         without DECL_STRUCT_FUNCTION initialized.
628
629 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
630
631         * gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap
632         due to calls to functions taking pointers as parameters.
633
634 2007-02-19  Richard Henderson  <rth@redhat.com>
635
636         PR debug/29558
637         * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
638         in memory.
639
640 2007-02-19  Andreas Krebbel  <krebbel1@de.ibm.com>
641
642         * config/s390/s390.c (s390_call_saved_register_used,
643         s390_function_ok_for_sibcall): Adjust the way CALL_EXPR arguments are
644         accessed to the new scheme.
645
646 2007-02-19  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
647
648         * config/cris/cris.c (cris_movem_load_rest_p, cris_store_multiple_op_p)
649         (cris_print_index, cris_print_operand, cris_print_operand_address)
650         (cris_reload_address_legitimized, cris_rtx_costs, cris_address_cost)
651         (cris_side_effect_mode_ok, cris_valid_pic_const, cris_split_movdx)
652         (cris_expand_pic_call_address): Use xxx_P predicate macros instead of
653         GET_CODE () == xxx.
654         * config/cris/cris.h (SECONDARY_RELOAD_CLASS, EXTRA_CONSTRAINT_Q,
655         EXTRA_CONSTRAINT_T, BDAP_INDEX_P, BIAP_INDEX_P, SIMPLE_ADDRESS_P,
656         GO_IF_LEGITIMATE_ADDRESS): Ditto.
657         * config/cris/cris.md (define_insns: *btst, movdi, *mov_side<mode>)
658         (*mov_sidesisf, *mov_side<mode>_mem, *mov_sidesisf_mem)
659         (*clear_side<mode>, movsi, *movsi_internal, *ext_sideqihi)
660         (*ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>, addsi3)
661         (*extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side)
662         (*extop<mode>si_swap_side, addi_mul, *addi,andsi3, andhi3, ashl<mode>3)
663         (uminsi3, call, call_value): Ditto.
664         (define_split: indir_to_reg_split, unnamed): Ditto.
665
666 2007-02-19  Dorit Nuzman  <dorit@il.ibm.com>
667
668         PR tree-optimization/30975
669         * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove
670         wrong assert.
671
672 2007-02-18  Eric Christopher  <echristo@gmail.com>
673
674         * mips.c (mips_prepare_builtin_arg): Add argnum parameter.
675         Remove use of arglist.
676         (mips_expand_builtin): Remove use of arglist, pass in expr.
677         (mips_expand_builtin_direct): Rewrite handling for arglist removal.
678         (mips_expand_builtin_movtf): Ditto.
679         (mips_expand_builtin_compare): Ditto.
680
681 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
682
683         * tree-sra.c (sra_build_assignment): Replace assertion
684         checking with a comment explaining why it can't be done.
685
686 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
687
688         PR middle-end/30833
689         * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed
690         during CALL_EXPR representation conversion.
691         * tree-ssa-propagate.c (set_rhs): Likewise.
692
693 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
694
695         * tree-sra.c (sra_build_assignment): Disable assertion checking
696         for now.
697
698 2007-02-18  Roger Sayle  <roger@eyesopen.com>
699
700         * function.c (gimplify_parameters): Call build_gimple_modify_stmt
701         instead of calling build2 with a GIMPLE_MODIFY_STMT.
702         * gimple-low.c (lower_function_body, lower_builtin_setjmp):
703         Likewise.
704         * gimplify.c (build_stack_save_restore, gimplify_return_expr,
705         gimplify_decl_expr,  gimplify_self_mod_expr, gimplify_cond_expr,
706         gimplify_init_ctor_eval_range, gimple_push_cleanup,
707         gimplify_omp_for, gimplify_omp_atomic_pipeline,
708         gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos,
709         force_gimple_operand): Likewise.
710         * ipa-cp.c (constant_val_insert): Likewise.
711         * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
712         lambda_loopnest_to_gcc_loopnest, replace_uses_equiv_to_x_with_y,
713         perfect_nestify): Likewise.
714         * langhooks.c (lhd_omp_assignment): Likewise.
715         * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses,
716         lower_copyprivate_clauses, lower_send_clauses,
717         lower_send_shared_vars, expand_parallel_call,
718         expand_omp_for_generic, expand_omp_for_static_nochunk,
719         expand_omp_for_static_chunk, expand_omp_sections,
720         lower_omp_single_copy, lower_omp_for_lastprivate,
721         lower_omp_parallel, init_tmp_var, save_tmp_var): Likewise.
722         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
723         tree_mod_subtract, tree_ic, tree_stringop_fixed_value):
724         Likewise.
725
726 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
727
728         * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h,
729         config/sh/sh.md: Follow spelling conventions.
730
731         * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md,
732         config/frv/predicates.md: Follow spelling conventions.
733
734         * config/m68k/linux-unwind.h: Fix a comment typo.
735         * target.h: Follow spelling conventions.
736
737 2007-02-18  Roger Sayle  <roger@eyesopen.com>
738
739         PR rtl-optimization/28173
740         * simplify-rtx.c (simplify_binary_operation_1) <IOR>:  Optimize
741         (X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects.
742         Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0.
743         Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2.
744         <AND>: Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2).
745
746 2007-02-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
747
748         * builtins.c (fold_builtin_load_exponent): New.
749         (fold_builtin_2): Use it.
750
751 2007-02-18  Steven Bosscher  <steven@gcc.gnu.org>
752
753         PR rtl-optimization/30773
754         * local-alloc.c (update_equiv_regs): Do not set reg_equiv_init
755         if we fail to attach a REG_EQUIV note.
756
757 2007-02-18  David Edelsohn  <edelsohn@gnu.org>
758             Roger Sayle  <roger@eyesopen.com>
759
760         * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter.
761
762 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
763
764         * calls.c (initialize_argument_information): Pass original EXP
765         and STRUCT_VALUE_ADDR_VALUE instead of a list of arguments.  Move
766         code to split complex arguments here, as part of initializing the
767         ARGS array.
768         (expand_call): Remove code that builds a list of arguments and
769         inserts implicit arguments into it.  Instead, just count how many
770         implicit arguments there will be so we can determine the size of
771         the ARGS array, and let initialize_argument_information do the work.
772         (split_complex_values): Delete unused function.
773
774 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
775
776         * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.
777
778 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
779
780         * calls.c (mem_overlaps_already_clobbered_arg_p): Return true
781         for arg pointer based indexed addressing.
782
783 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
784
785         * config/ia64/ia64.h, config/ia64/ia64.md,
786         config/ia64/predicates.md, config/ia64/sysv4.h: Follow
787         spelling conventions.
788
789 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
790
791         * config/m68k/m68k.c (split_di): New.
792         * config/m68k/m68k-protos.h: Declare split_di.
793         * config/m68k/m68k.md (extendsidi2*,ashldi3*,ashrdi3*,lshrdi3*):
794           Improve predicate handling and split constant shifts.
795
796 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
797
798         * config/m68k/m68k.md (extv,extzv,insv): disable dynamic
799         parameter for register bitfield operations, general predicates
800         cleanup
801
802 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
803
804         * config/m68k/linux.h (MD_UNWIND_SUPPORT): Define.
805         * config/m68k/linux-unwind.h: New file.
806
807 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
808
809         * cfgloop.c, config/alpha/alpha.c, config/bfin/bfin.c,
810         config/i386/athlon.md, config/ia64/ia64.md,
811         config/rs6000/rs6000.c, config/s390/s390.c, config/spu/spu.md,
812         df-problems.c, df.h, fold-const.c, ipa-cp.c, ipa-inline.c,
813         ipa-prop.h, see.c, struct-equiv.c, tree-inline.c,
814         tree-ssa-loop-niter.c, tree-vect-analyze.c,
815         tree-vect-transform.c: Fix comment typos.
816
817 2007-02-17  Kazu Hirata  <kazu@codesourcery.com>
818
819         * sched-deps.c (find_insn_list): Remove.
820         * sched-int.h: Remove the prototype for find_insn_list.
821
822 2007-02-16  Geoffrey Keating  <geoffk@apple.com>
823
824         * config/darwin.h (LINK_SPEC): Always pass -macosx_version_min
825         to linker.
826         (DARWIN_EXTRA_SPECS): Add %(darwin_minversion).
827         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Just call
828         darwin_rs6000_override_options.
829         (C_COMMON_OVERRIDE_OPTIONS): Expect
830         darwin_macosx_version_min to be non-NULL always.
831         (TARGET_C99_FUNCTIONS): Likewise.
832         (CC1_SPEC): Always pass -mmacosx-version-min to cc1*.
833         (DARWIN_MINVERSION_SPEC): New.
834         * config/rs6000/rs6000.c (darwin_rs6000_override_options): New.
835         * config/i386/darwin.h (CC1_SPEC): Always pass -mmacosx-version-min
836         to cc1*.
837         (DARWIN_MINVERSION_SPEC): New.
838         * config/darwin.opt (mmacosx-version-min): Initialize to non-NULL
839         value.
840         * config/darwin-c.c (darwin_cpp_builtins): Expect
841         darwin_macosx_version_min to be non-NULL always.
842
843         * config/rs6000/rs6000.c: Clean up trailing whitespace.
844
845 2007-02-16  Uros Bizjak  <ubizjak@gmail.com>
846
847         * config/i386/i386.h (x86_use_xchgb): New.
848         (TARGET_USE_XCHGB): New macro.
849         * config/i386/i386.c (x86_use_xchgb): Set for PENT4.
850         * config/i386/i386.md (*rotlhi3_1 splitter, *rotrhi3_1 splitter):
851         Split after reload into bswaphi for shifts of 8.
852         (bswaphi_lowpart): Generate rolw insn for HImode byte swaps.
853         (*bswaphi_lowpart_1): Generate xchgb for Q registers for TARGET_XCHGB
854         or when optimizing for size.
855
856 2007-02-16  Richard Guenther  <rguenther@suse.de>
857             Christian Bruel  <christian.bruel@st.com>
858
859         * fold-const.c (tree_swap_operands_p): Treat SSA_NAMEs like
860         DECLs but prefer SSA_NAMEs over DECLs.
861
862 2007-02-16  Richard Guenther  <rguenther@suse.de>
863
864         * tree-flow-inline.h (single_imm_use_p): Remove.
865         (zero_imm_uses_p): Likewise.
866         * tree-ssa-coalesce.c (create_outofssa_var_map): Use has_single_use
867         instead of single_imm_use_p.
868         * tree-cfg.c (replace_uses_by): Use has_zero_use instead of
869         zero_imm_uses_p.
870
871 2007-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
872
873         PR other/27843
874         * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid
875         nested double- and backquotes.
876
877 2007-02-15  Roger Sayle  <roger@eyesopen.com>
878
879         PR middle-end/30391
880         * tree.c (expr_align): Handle MODIFY_EXPR.  GIMPLE_MODIFY_STMT
881         should be unreachable.
882         (build2_stat): Allow construction of MODIFY_EXPR at any time.
883         For the time being redirect GIMPLE_MODIFY_STMT to the new
884         (renamed) build_gimple_modify_stmt_stat.
885         (build2_gimple_stat): Rename to...
886         (build_gimple_modify_stmt_stat): Now longer take a CODE argument.
887         Always build a GIMPLE_MODIFY_STMT node.
888         * tree.h (build2_gimple, build2_gimple_stat): Delete.
889         (build_gimple_modify_stmt, build_gimple_modify_stmt_stat): New
890         declarations.
891
892         * tree-cfg.c (factor_computed_gotos, tree_merge_blocks,
893         gimplify_val): Use build_gimple_modify_stmt instead of build2_gimple.
894         * tree-complex.c (set_component_ssa_name, expand_complex_move,
895         expand_complex_div_wide): Likewise.
896         * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
897         * tree-ssa-loop-im.c (schedule_sm): Likewise.
898         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Likewise.
899         * tree-ssa-loop-manip.c (create_iv): Likewise.
900         * tree-ssa-phiopt.c (conditional_replacement, minmax_replacement,
901         abs_replacement): Likewise.
902         * tree-ssa-pre.c (create_expression_by_pieces, poolify_modify_stmt,
903         realify_fake_stores): Likewise.
904
905         * builtins.c (std_expand_builtin_va_start): Build a MODIFY_EXPR
906         node rather than a GIMPLE_MODIFY_STMT node.
907         (std_gimpify_va_arg_expr, expand_builtin_va_copy,
908         fold_builtin_memset, fold_builtin_memory_op, do_mpfr_sincos):
909         Likewise.
910         (integer_valued_real_p): Handle MODIFY_EXPR, not GIMPLE_MODIFY_STMT.
911         * expr.c (expand_expr_real_1): Handle both MODIFY_EXPR and
912         GIMPLE_MODIFY_STMT.
913
914 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
915
916         PR middle-end/30433
917         * fold-const.c (fold_comparison): Add back the
918         folding of constant complex comparisions.
919
920 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
921
922         PR middle-end/30729
923         * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
924         effects unknown to this function, return early.
925
926 2007-02-15  Ian Lance Taylor  <iant@google.com>
927
928         * lower-subreg.c (move_eh_region_note): New static function.
929         (resolve_simple_move): Call it.
930         (decompose_multiword_subregs): Track blocks for which we resolve a
931         simple move which is also a control flow insn.  Pass them to
932         find_many_sub_basic_blocks.
933         (pass_lower_subreg): Add TODO_verify_flow.
934         (pass_lower_subreg2): Likewise.
935
936 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
937             Brooks Moses  <brooks.moses@codesourcery.com>
938             Lee Millward  <lee.millward@codesourcery.com>
939
940         * tree.h (enum tree_code_class): Add tcc_vl_exp.
941         (VL_EXP_CLASS_P): New.
942         (TREE_OPERAND_CHECK): Use TREE_OPERAND_LENGTH instead of
943         TREE_CODE_LENGTH.
944         (TREE_OPERAND_CHECK_CODE): Likewise.
945         (GIMPLE_STMT_OPERAND_CHECK): Likewise.
946         (TREE_RTL_OPERAND_CHECK): Likewise.
947         (tree_operand_check_failed): Make second parameter the whole tree
948         instead of its code.  Fixed callers.
949         (VL_EXP_CHECK): New.
950         (TREE_OPERAND_LENGTH): New.
951         (VL_EXP_OPERAND_LENGTH): New.
952         (CALL_EXPR_FN): New.
953         (CALL_EXPR_STATIC_CHAIN): New.
954         (CALL_EXPR_ARGS): New.
955         (CALL_EXPR_ARG): New.
956         (call_expr_nargs): New.
957         (CALL_EXPR_ARGP): New.
958         (build_nt_call_list): Declare.
959         (build_vl_exp_stat): Declare.
960         (build_vl_exp): New.
961         (build_call_list): Declare.
962         (build_call_nary): Declare.
963         (build_call_valist): Declare.
964         (build_call_array): Declare.
965         (call_expr_arg): Declare.
966         (call_expr_argp): Declare.
967         (call_expr_arglist): Declare.
968         (fold_build_call_list): Declare.
969         (fold_build_call_list_initializer): Declare.
970         (fold_call_expr): Declare to replace fold_builtin.
971         (fold_builtin_fputs): Update to agree with modified definition.
972         (fold_builtin_strcpy): Likewise.
973         (fold_builtin_strncpy): Likewise.
974         (fold_builtin_memory_chk): Likewise.
975         (fold_builtin_stxcpy_chk): Likewise.
976         (fold_builtin_strncpy_chk): Likewise.
977         (fold_builtin_next_arg): Likewise.
978         (fold_build_call_expr): Declare.
979         (fold_builtin_call_list): Declare.
980         (fold_builtin_call_valist): Declare.
981         (build_call_expr): Declare.
982         (validate_arglist): Update to agree with modified definition.
983         (tree_operand_length): New.
984         (call_expr_arg_iterator): New.
985         (init_call_expr_arg_iterator): New.
986         (next_call_expr_arg): New.
987         (first_call_expr_arg): New.
988         (more_call_expr_args_p): New.
989         (FOR_EACH_CALL_EXPR_ARG): New.
990
991         * tree.c (tree_code_class_string): Add entries for tcc_vl_exp
992         and tcc_gimple_stmt.
993         (tree_code_size): Update documentation.  Use sizeof (tree) rather
994         than sizeof (char *).
995         (tree_size): Likewise.  Add case for tcc_vl_exp.
996         (tree_node_structure): Add case for tcc_vl_exp.
997         (contains_placeholder_p): Likewise.
998         (substitute_in_expr): Likewise.
999         (substitute_placeholder_in_expr): Likewise.
1000         (stabilize_reference_1): Likewise.
1001         (build3_stat): Remove logic for CALL_EXPRs.  Replace with assertion
1002         to diagnose breakage of this interface for constructing CALL_EXPRs.
1003         (build_nt): Add similar assertion here.
1004         (build_nt_call_list): New.
1005         (simple_cst_equal) <CALL_EXPR>: Rewrite to use new accessors.
1006         (iterative_hash_expr): Use TREE_OPERAND_LENGTH instead of
1007         TREE_CODE_LENGTH.
1008         (get_callee_fndecl): Use new CALL_EXPR accessors.
1009         (tree_operand_check_failed): Change parameters to pass entire node
1010         instead of its code, so that we can call TREE_OPERAND_LENGTH on it.
1011         (process_call_operands): New.
1012         (build_vl_exp_stat): New.
1013         (build_call_list): New.
1014         (build_call_nary): New.
1015         (build_call_valist): New.
1016         (build_call_array): New.
1017         (walk_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1018         (call_expr_arglist): New.
1019
1020         * tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use
1021         tcc_vl_exp instead of a fixed-size tcc_expression.
1022
1023         * doc/c-tree.texi (CALL_EXPR): Document new representation and
1024         accessors for CALL_EXPRs.
1025         (AGGR_INIT_EXPR): Likewise.
1026
1027 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
1028             Brooks Moses  <brooks.moses@codesourcery.com>
1029             Lee Millward  <lee.millward@codesourcery.com>
1030
1031         * builtins.c (c_strlen): Return NULL_TREE instead of 0.
1032         (expand_builtin_nonlocal_goto): Change parameter to be entire
1033         CALL_EXPR instead of an arglist.  Use new CALL_EXPR accessors.
1034         (expand_builtin_prefetch): Likewise.
1035         (expand_builtin_classify_type): Likewise.
1036         (mathfn_built_in): Return NULL_TREE instead of 0.
1037         (expand_errno_check): Use new CALL_EXPR accessors.
1038         (expand_builtin_mathfn): Use new CALL_EXPR accessors and constructors.
1039         Return NULL_RTX instead of 0.
1040         (expand_builtin_mathfn_2): Likewise.
1041         (expand_builtin_mathfn_3): Likewise.
1042         (expand_builtin_interclass_mathfn): Likewise.
1043         (expand_builtin_sincos): Likewise.
1044         (expand_builtin_cexpi): Likewise.
1045         (expand_builtin_int_roundingfn): Likewise.
1046         (expand_builtin_int_roundingfn_2): Likewise.
1047         (expand_builtin_pow): Likewise.
1048         (expand_builtin_powi): Likewise.
1049         (expand_builtin_strlen): Pass entire CALL_EXPR as parameter instead
1050         of arglist, fixing callers appropriately.  Use new CALL_EXPR
1051         accessors and constructors.  Return NULL_RTX instead of 0.
1052         (expand_builtin_strstr): Likewise.
1053         (expand_builtin_strchr): Likewise.
1054         (expand_builtin_strrchr): Likewise.
1055         (expand_builtin_strpbrk): Likewise.
1056         (expand_builtin_memcpy): Likewise.
1057         (expand_builtin_mempcpy): Likewise.
1058         (expand_builtin_mempcpy_args): New.
1059         (expand_builtin_memmove): Similarly to expand_builtin_mempcpy.
1060         (expand_builtin_memmove_args): New.
1061         (expand_builtin_bcopy): Similarly to expand_builtin_mempcpy.
1062         (expand_movstr): Likewise.
1063         (expand_builtin_strcpy): Likewise.
1064         (expand_builtin_strcpy_args): New.
1065         (expand_builtin_stpcpy): Similarly to expand_builtin_strcpy.
1066         (expand_builtin_strncpy): Likewise.
1067         (expand_builtin_memset): Likewise.
1068         (expand_builtin_memset_args): New.
1069         (expand_builtin_bzero): Similarly to expand_builtin_memset.
1070         (expand_builtin_memcmp): Likewise.
1071         (expand_builtin_strcmp): Likewise.
1072         (expand_builtin_strncmp): Likewise.
1073         (expand_builtin_strcat): Likewise.
1074         (expand_builtin_strncat): Likewise.
1075         (expand_builtin_strspn): Likewise.
1076         (expand_builtin_strcspn): Likewise.
1077         (expand_builtin_args_info): Likewise.
1078         (expand_builtin_va_start): Likewise.
1079         (gimplify_va_arg_expr): Likewise.
1080         (expand_builtin_va_end): Likewise.
1081         (expand_builtin_va_copy): Likewise.
1082         (expand_builtin_frame_address): Likewise.
1083         (expand_builtin_alloca): Likewise.
1084         (expand_builtin_bswap): Likewise.
1085         (expand_builtin_unop): Likewise.
1086         (expand_builtin_fputs): Likewise.
1087         (expand_builtin_expect): Likewise.
1088         (expand_builtin_fabs): Likewise.
1089         (expand_builtin_copysign): Likewise.
1090         (expand_builtin_printf): Likewise.
1091         (expand_builtin_fprintf): Likewise.
1092         (expand_builtin_sprintf): Likewise.
1093         (expand_builtin_init_trampoline): Likewise.
1094         (expand_builtin_signbit): Likewise.
1095         (expand_builtin_fork_or_exec): Likewise.
1096         (expand_builtin_sync_operation): Likewise.
1097         (expand_builtin_compare_and_swap): Likewise.
1098         (expand_builtin_lock_test_and_set): Likewise.
1099         (expand_builtin_lock_release): Likewise.
1100         (expand_builtin): Likewise.
1101         (builtin_mathfn_code): Likewise.
1102
1103         (fold_builtin_constant_p): Pass call arguments individually instead
1104         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
1105         accessors and constructors.  Return NULL_TREE instead of 0.
1106         (fold_builtin_expect): Likewise.
1107         (fold_builtin_classify_type): Likewise.
1108         (fold_builtin_strlen): Likewise.
1109         (fold_builtin_nan): Likewise.
1110         (integer_valued_real_p): Likewise.
1111         (fold_trunc_transparent_mathfn): Likewise.
1112         (fold_fixed_mathfn): Likewise.
1113         (fold_builtin_cabs): Likewise.
1114         (fold_builtin_sqrt): Likewise.
1115         (fold_builtin_cbrt): Likewise.
1116         (fold_builtin_cos): Likewise.
1117         (fold_builtin_cosh): Likewise.
1118         (fold_builtin_tan): Likewise.
1119         (fold_builtin_sincos): Likewise.
1120         (fold_builtin_cexp): Likewise.
1121         (fold_builtin_trunc): Likewise.
1122         (fold_builtin_floor): Likewise.
1123         (fold_builtin_ceil): Likewise.
1124         (fold_builtin_round): Likewise.
1125         (fold_builtin_int_roundingfn): Likewise.
1126         (fold_builtin_bitop): Likewise.
1127         (fold_builtin_bswap): Likewise.
1128         (fold_builtin_logarithm): Likewise.
1129         (fold_builtin_hypot): Likewise.
1130         (fold_builtin_pow): Likewise.
1131         (fold_builtin_powi): Likewise.
1132         (fold_builtin_exponent): Likewise.
1133         (fold_builtin_memset): Likewise.
1134         (fold_builtin_bzero): Likewise.
1135         (fold_builtin_memory_op): Likewise.
1136         (fold_builtin_bcopy): Deleted; call site changed to invoke
1137         fold_builtin_memory_op directly.
1138         (fold_builtin_strcpy): Similarly as for fold_builtin_memory_op.
1139         (fold_builtin_strncpy): Likewise.
1140         (fold_builtin_memcmp): Likewise.
1141         (fold_builtin_strcmp): Likewise.
1142         (fold_builtin_strncmp): Likewise.
1143         (fold_builtin_signbit): Likewise.
1144         (fold_builtin_copysign): Likewise.
1145         (fold_builtin_isascii): Likewise.
1146         (fold_builtin_toascii): Likewise.
1147         (fold_builtin_isdigit): Likewise.
1148         (fold_builtin_fabs): Likewise.
1149         (fold_builtin_abs): Likewise.
1150         (fold_builtin_fmin_fmax): Likewise.
1151         (fold_builtin_carg): Likewise.
1152         (fold_builtin_classify): Likewise.
1153         (fold_builtin_unordered_cmp): Likewise.
1154
1155         (fold_builtin_0, fold_builtin_2, fold_builtin_3, fold_builtin_4):
1156         New functions split out from fold_builtin_1.
1157         (fold_builtin_n): New.
1158         (fold_builtin_varargs): New.
1159         (fold_builtin): Deleted.  Most callers changed to use fold_call_expr
1160         instead.
1161         (fold_call_expr): New.
1162         (build_function_call_expr): Rewrite to use new helper function.
1163         (fold_builtin_call_list): New.
1164         (build_call_expr): New.
1165         (fold_builtin_call_valist): New.
1166         (rewrite_call_expr): New.
1167         (validate_arg): New.
1168         (validate_arglist): Change parameter to be entire CALL_EXPR instead
1169         of an arglist.  Change return type to bool.  Use new CALL_EXPR
1170         accessors.
1171
1172         (fold_builtin_strstr):  Pass call arguments individually instead
1173         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
1174         accessors and constructors.  Return NULL_TREE instead of 0.
1175         (fold_builtin_strchr): Likewise.
1176         (fold_builtin_strrchr): Likewise.
1177         (fold_builtin_strpbrk): Likewise.
1178         (fold_builtin_strcat): Likewise.
1179         (fold_builtin_strncat): Likewise.
1180         (fold_builtin_strspn): Likewise.
1181         (fold_builtin_strcspn): Likewise.
1182         (fold_builtin_fputs): Likewise.
1183         (fold_builtin_next_arg): Likewise.
1184         (fold_builtin_sprintf): Likewise.
1185
1186         (expand_builtin_object_size): Use new CALL_EXPR accessors.  Use
1187         NULL_RTX instead of 0.
1188         (expand_builtin_memory_chk): Likewise.
1189         (maybe_emit_chk_warning): Likewise.
1190         (maybe_emit_sprintf_chk_warning): Likewise.
1191
1192         (fold_builtin_object_size): Pass call arguments individually instead
1193         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
1194         accessors and constructors.  Return NULL_TREE instead of 0.
1195         (fold_builtin_memory_chk): Likewise.
1196         (fold_builtin_stxcpy_chk): Likewise.
1197         (fold_builtin_strncpy_chk): Likewise.
1198         (fold_builtin_strcat_chk): Likewise.
1199         (fold_builtin_strcat_chk): Likewise.
1200         (fold_builtin_strncat_chk): Likewise.
1201         (fold_builtin_sprintf_chk): Likewise.
1202         (fold_builtin_snprintf_chk): Likewise.
1203         (fold_builtin_printf): Likewise.
1204         (fold_builtin_vprintf): Likewise.
1205
1206         * fold-const.c (negate_expr_p): Use new CALL_EXPR accessors and
1207         constructors.
1208         (operand_equal_p): Add separate tcc_vl_exp/CALL_EXPR case.
1209         (make_range): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1210         (extract_muldiv_1): Add VL_EXP_CLASS_P case.
1211         (fold_mathfn_compare): Use new CALL_EXPR accessors and constructors.
1212         (fold_unary): Likewise.
1213         (fold_binary): Likewise.
1214         (fold_ternary): Remove CALL_EXPR case, since they are no longer
1215         ternary expressions.
1216         (fold): Add logic for tcc_vl_exp.
1217         (fold_checksum_tree):  Make it know about tcc_vl_exp.  Use
1218         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1219         (fold_build3_stat): Add assertion to flag broken interface for
1220         constructing CALL_EXPRs.
1221         (fold_build_call_list): New.
1222         (fold_build_call_list_initializer): New.
1223         (tree_expr_nonnegative_p): Use new CALL_EXPR accessors and
1224         constructors.
1225         (fold_strip_sign_ops): Likewise.
1226
1227 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
1228             Brooks Moses  <brooks.moses@codesourcery.com>
1229             Lee Millward  <lee.millward@codesourcery.com>
1230
1231         * tree-dump.c (dequeue_and_dump) <CALL_EXPR>: Use new CALL_EXPR
1232         accessors and dump arguments explicitly.
1233
1234         * tree-pretty-print.c (do_niy): Use TREE_OPERAND_LENGTH instead of
1235         TREE_CODE_LENGTH.
1236         (dump_generic_node): Use new CALL_EXPR accessors and walk arguments
1237         explicitly.
1238         (print_call_name): Use new CALL_EXPR accessors.
1239
1240         * print-tree.c (print_node): Add case tcc_vl_exp.  Print
1241         CALL_EXPR arguments explicitly instead of as a list.  Use
1242         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1243
1244         * tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors.
1245         (vrp_visit_stmt): Likewise.
1246
1247         * tree-ssa-loop-im.c (outermost_invariant_loop_expr):  Make it
1248         know about tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of
1249         TREE_CODE_LENGTH.
1250         (force_move_till_expr): Likewise.
1251
1252         * targhooks.c (default_external_stack_protect_fail): Use
1253         build_call_expr instead of build_function_call_expr.
1254         (default_hidden_stack_protect_fail): Likewise.
1255
1256         * tree-complex.c (expand_complex_libcall): Use build_call_expr to
1257         build the call.
1258
1259         * cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors
1260         and walk arguments explicitly.
1261
1262         * tree-ssa-loop-niter.c (simplify_replace_tree): Use
1263         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1264         (expand_simple_operations): Likewise.
1265         (infer_loop_bounds_from_array): Use new CALL_EXPR accessors.
1266
1267         * gengtype.c (adjust_field_tree_exp): Use TREE_OPERAND_LENGTH instead
1268         of TREE_CODE_LENGTH.
1269         (walk_type): Tweak walking of arrays not to blow up on CALL_EXPRs.
1270
1271         * optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH
1272         instead of TREE_CODE_LENGTH.
1273
1274         * value_prof.c (tree_ic): Use new CALL_EXPR accessors.
1275         (tree_ic_transform): Likewise.
1276         (interesting_stringop_to_profile_p): Pass entire CALL_EXPR as
1277         parameter instead of arglist.  Fix callers.
1278         (tree_stringop_fixed_value): Use new CALL_EXPR accessors.
1279         (tree_stringops_transform): Likewise.
1280         (tree_indirect_call_to_profile): Likewise.
1281         (tree_stringops_values_to_profile): Likewise.
1282
1283         * tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator.
1284         (eliminate_tail_call): Likewise.
1285
1286         * ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors.
1287
1288         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
1289         Use TREE_OPERAND_LENGTH and generalize to handle any number of
1290         operands.
1291         (instantiate_parameters_1): Can't handle tcc_vl_exp here.
1292
1293         * omp-low.c (build_omp_barrier): Use build_call_expr.
1294         (lower_rec_input_clauses): Likewise.
1295         (lower_reduction_clauses): Likewise.
1296         (expand_parallel_call): Likewise.
1297         (maybe_catch_exception): Likewise.
1298         (expand_omp_for_generic): Likewise.
1299         (expand_omp_for_static_nochunk): Likewise.
1300         (expand_omp_sections): Likewise.
1301         (lower_omp_single_simple): Likewise.
1302         (lower_omp_single_copy): Likewise.
1303         (lower_omp_master): Likewise.
1304         (lower_omp_ordered): Likewise.
1305         (lower_omp_critical): Likewise.
1306
1307         * ipa-reference.c (check-call): Use new CALL_EXPR iterator.
1308         (scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR.
1309
1310         * tree-gimple.c (is_gimple_call_addr): Fix doc.
1311         (recalculate_side_effects): Use TREE_OPERAND_LENGTH instead of
1312         TREE_CODE_LENGTH.  Add tcc_vl_exp case.
1313
1314         * tree-chrec.c (chrec_contains_symbols): Use TREE_OPERAND_LENGTH
1315         and generalize to handle any number of operands.
1316         (chrec_contains_undetermined): Likewise.
1317         (tree_contains_chrecs): Likewise.
1318         (evolution_function_is_invariant_rec_p): Use TREE_OPERAND_LENGTH.
1319
1320         * cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors.
1321
1322         * tree-ssa-ccp.c (ccp_fold): Use new CALL_EXPR accessors.  Use
1323         fold_call_expr instead of fold_builtin.
1324         (ccp_fold_builtin): Likewise.  Update calls into builtins.c to
1325         match declarations there.
1326         (fold_stmt): Use new CALL_EXPR constructor and accessors.  Doc
1327         updates.
1328
1329         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use
1330         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1331
1332         * ipa-pure-const.c (check_call): Use new CALL_EXPR accessors.
1333         (scan_function): Add case tcc_vl_exp for CALL_EXPR.
1334
1335         * tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR
1336         accessors.
1337
1338         * tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr.
1339         (execute_cse_sincos): Use new CALL_EXPR accessors.
1340
1341         * tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator.
1342
1343         * gimple-low.c (lower_function_body): Use build_call_expr.
1344         (lower_builtin_setjmp): Likewise.
1345
1346         * expr.c (emit_block_move_via_libcall): Use build_call_expr.
1347         (set_storage_via_libcall): Likewise.
1348         (safe_from_p): Add tcc_vl_exp case.  Use TREE_OPERAND_LENGTH
1349         instead of TREE_CODE_LENGTH.
1350         (expand_expr_real_1): Use new CALL_EXPR accessors.
1351
1352         * tree-browser.c (store_child_info): Use TREE_OPERAND_LENGTH and
1353         generalize to handle any number of operands.
1354         (TB_parent_eq): Likewise.
1355
1356         * predict.c (expr_expected_value): Use new CALL_EXPR accessors.
1357         (strip_builtin_expect): Likewise.
1358
1359         * function.c (gimplify_parameters): Use build_call_expr.
1360
1361         * tree-vectorizer.c (vect_is_simple_reduction): Use TREE_OPERAND_LENGTH
1362         instead of TREE_CODE_LENGTH.
1363
1364         * ipa-type-escape.c (check_call): Use new CALL_EXPR iterators.
1365         (scan_for_refs): Add case tcc_vl_exp for CALL_EXPR.
1366
1367         * tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR
1368         iterators.
1369
1370         * gimplify.c (build_stack_save_restore): Use build_call_expr.
1371         (gimplify_decl_expr): Likewise.
1372         (gimplify_call_expr): Use fold_call_expr instead of fold_builtin.
1373         Use new CALL_EXPR iterators.
1374         (gimplify_modify_expr_to_memcpy): Use build_call_expr.
1375         (gimplify_modify_expr_to_memset): Likewise.
1376         (gimplify_variable_sized_compare): Likewise.
1377         (gimplify_omp_atomic_fetch_op): Likewise.
1378         (gimplify_omp_atomic_pipeline): Likewise.
1379         (gimplify_omp_atomic_mutex): Likewise.
1380         (gimplify_function_tree): Likewise.
1381
1382         * calls.c (alloca_call_p): Use new CALL_EXPR accessors.
1383         (call_expr_flags): Likewise.
1384         (expand_call): Likewise.
1385
1386         * except.c (expand_builtin_eh_return_data_regno): Pass entire
1387         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
1388         accessors.
1389
1390         * coverage.c (create_coverage): Use build_call_expr.
1391
1392         * tree-ssa-pre.c (expression_node_pool, list_node_pool): Delete.
1393         (temp_call_expr_obstack): New.
1394         (pool_copy_list): Delete.
1395         (temp_copy_call_expr): New.
1396         (phi_translate): Add case tcc_vl_exp for CALL_EXPR.  Use new
1397         CALL_EXPR accessors.  Get rid of special goo for copying argument
1398         lists and use temp_copy_call_expr instead.
1399         (valid_in_sets): Add case tcc_vl_exp for CALL_EXPR.  Use new
1400         CALL_EXPR accessors.
1401         (create_expression_by_pieces): Likewise.  Use build_call_array
1402         to construct the result instead of fold_build3.
1403         (create_value_expr_from): Add tcc_vl_exp.  Delete special goo for
1404         dealing with argument lists.
1405         (init_pre): Remove references to expression_node_pool and
1406         list_node_pool.  Init temp_call_expr_obstack instead.
1407         (fini_pre): Remove references to expression_node_pool and
1408         list_node_pool.
1409
1410         * tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors
1411         and walk arguments explicitly instead of as a list.
1412
1413         * tree-mudflap.c (mf_build_check_statement_for): Use build_call_expr.
1414         (mx_register_decls): Likewise.
1415         (mudflap_register_call): Likewise.
1416         (mudflap_finish_file): Likewise.
1417
1418         * ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors.
1419         (ipa_callsite_compute_param): Likewise.
1420
1421         * tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR
1422         accessors and constructor.
1423
1424         * tree-nested.c (convert_nl_goto_reference): Use new CALL_EXPR
1425         accessors and constructor.
1426         (convert_tramp_reference): Likewise.
1427         (convert_call_expr): Likewise.
1428         (finalize_nesting_tree_1): Likewise.
1429
1430         * tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR
1431         accessors.
1432
1433         * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr.
1434
1435         * tree-inline.c (initialize_inlined_parameters): Pass entire
1436         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
1437         accessors.
1438         (estimate_num_insns_1): Use new CALL_EXPR accessors.
1439         (expand_call_inline): Tidy up call to initialize_inlined_parameters.
1440
1441         * tree-vect-transform.c (vect_create_epilog_for_reduction):  Use
1442         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1443         (vectorizable_reduction): Likewise.
1444         (vectorizable_call): Use new CALL_EXPR iterators.
1445         (vectorizable_conversion): Use build_call_expr.
1446         (vectorizable_operation): Use TREE_OPERAND_LENGTH.
1447         (vect_gen_widened_results_half): Use build_call_expr.
1448         (vect_setup_realignment): Likewise.
1449         (vectorizable_live_operation): Use TREE_OPERAND_LENGTH.
1450
1451         * tree-object-size.c (alloc_object_size): Use new CALL_EXPR accessors.
1452         (pass_through_call): Likewise.
1453         (compute_object_sizes): Likewise.  Use fold_call_expr instead of
1454         fold_builtin.
1455
1456         * tree-profile.c (tree_gen_interval_profiler): Use build_call_expr.
1457         (tree_gen_pow2_profiler): Likewise.
1458         (tree_gen_one_value_profiler): Likewise.
1459         (tree_gen_ic_func_profiler): Likewise.
1460         (tree_gen_average_profiler): Likewise.
1461         (tree_gen_ior_profiler): Likewise.
1462
1463         * tree-ssa-structalias.c (get_constraint_for): Add case tcc_vl_exp.
1464         (find_func_aliases): Use new CALL_EXPR accessors.  Add case
1465         tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1466
1467         * tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead
1468         of TREE_CODE_LENGTH.
1469
1470         * stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead
1471         of TREE_CODE_LENGTH.
1472
1473         * convert.c (convert_to_real): Use new CALL_EXPR accessors and
1474         constructor.
1475         (convert_to_integer): Likewise.
1476
1477         * tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR
1478         accessors.
1479
1480 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
1481             Brooks Moses  <brooks.moses@codesourcery.com>
1482             Lee Millward  <lee.millward@codesourcery.com>
1483
1484         * config/alpha/alpha.c (alpha_expand_builtin): Use new CALL_EXPR
1485         accessors.
1486         * config/frv/frv.c (frv_expand_builtin): Likewise.
1487         * config/s390/s390.c (s390_expand_builtin): Likewise.
1488
1489         * config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr.
1490         (sparc_expand_builtin): Use new CALL_EXPR accessors.
1491
1492         * config/i386/i386.c (ix86_function_ok_for_sibcall): Likewise.
1493         (ix86_expand_binop_builtin): Pass entire CALL_EXPR as parameter
1494         instead of arglist.  Use new CALL_EXPR accessors on it.  Fix callers.
1495         (ix86_expand_store_builtin): Likewise.
1496         (ix86_expand_unop_builtin): Likewise.
1497         (ix86_expand_unop1_builtin): Likewise.
1498         (ix86_expand_sse_compare): Likewise.
1499         (ix86_expand_sse_comi): Likewise.
1500         (ix86_expand_vec_init_builtin): Likewise.
1501         (ix86_expand_vec_ext_builtin): Likewise.
1502         (ix86_expand_vec_set_builtin): Likewise.
1503         (ix86_expand_builtin): Use new CALL_EXPR accessors.
1504
1505         * config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors.
1506         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
1507
1508         * config/iq2000/iq2000.c (expand_one_builtin): Pass entire CALL_EXPR
1509         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
1510         (iq2000_expand_builtin): Use new CALL_EXPR accessors.
1511
1512         * config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Use
1513         build_call_expr.
1514         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
1515         (rs6000_expand_unop_builtin): Pass entire CALL_EXPR instead of
1516         arglist.  Use new CALL_EXPR accessors.  Fix callers.
1517         (altivec_expand_abs_builtin): Likewise.
1518         (rs6000_expand_binop_builtin): Likewise.
1519         (altivec_expand_predicate_builtin): Likewise.
1520         (altivec_expand_lv_builtin): Likewise.
1521         (spe_expand_stv_builtin): Likewise.
1522         (altivec_expand_stv_builtin): Likewise.
1523         (rs6000_expand_ternop_builtin): Likewise.
1524         (altivec_expand_ld_builtin): Use new CALL_EXPR accessors.
1525         (altivec_expand_st_builtin): Likewise.
1526         (altivec_expand_dst_builtin): Likewise.
1527         (altivec_expand_vec_init_builtin): Pass entire CALL_EXPR instead of
1528         arglist.  Use new CALL_EXPR accessors.  Fix callers.
1529         (altivec_expand_vec_set_builtin): Likewise.
1530         (altivec_expand_vec_ext_builtin): Likewise.
1531         (altivec_expand_builtin): Use new CALL_EXPR accessors.
1532         (spe_expand_builtin): Likewise.
1533         (spe_expand_predicate_builtin): Pass entire CALL_EXPR instead of
1534         arglist.  Use new CALL_EXPR accessors.  Fix callers.
1535         (spe_expand_evsel_builtin): Likewise.
1536         (rs6000_expand_builtin): Use new CALL_EXPR accessors.  VCFUX and
1537         FCFSX cases must construct whole new CALL_EXPR, not just arglist.
1538
1539         * config/arm/arm.c (arm_expand_binop_builtin): Pass entire CALL_EXPR
1540         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
1541         (arm_expand_unop_builtin): Likewise.
1542         (arm_expand_builtin): Use new CALL_EXPR accessors.
1543
1544         * config/mips/mips.c (mips_expand_builtin):  Use new CALL_EXPR
1545         accessors.
1546
1547         * config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire CALL_EXPR
1548         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
1549         (bfin_expand_unop_builtin): Likewise.
1550         (bfin_expand_builtin): Use new CALL_EXPR accessors.
1551
1552 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
1553             Brooks Moses  <brooks.moses@codesourcery.com>
1554             Lee Millward  <lee.millward@codesourcery.com>
1555
1556         * c-semantics.c (build_stmt): Add internal diagnostic check.
1557
1558         * c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR
1559         accessors.  Print arguments explicitly instead of as a list.
1560
1561         * c-typeck.c (build_function_call): Use new CALL_EXPR constructors.
1562
1563         * c-omp.c (c_finish_omp_barrier): Use build_call_expr.
1564         (c_finish_omp_flish): Likewise.
1565
1566         * c-common.c (verify_tree): Use new CALL_EXPR accessors.  Traverse
1567         arguments explicitly instead of as a list.  Use TREE_OPERAND_LENGTH
1568         instead of TREE_CODE_LENGTH.
1569         (check_function_arguments_recurse): Use new CALL_EXPR accessors.
1570         (c_warn_unused_result): Likewise.
1571
1572 2007-02-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1573
1574         PR c/26494
1575         * doc/invoke.texi (Warning Options): Remove
1576         -Werror-implicit-function-declaration.
1577         (Wimplicit-function-declaration): Update description.
1578         * opts.c (common_handle_option): Move handling of -Werror=* to...
1579         (enable_warning_as_error): ...here.
1580         * opts.h (enable_warning_as_error): Declare.
1581         * c-decl.c (implicit_decl_warning): Unless
1582         -Wno-implicit-function-declaration is given, emit a pedwarn if
1583         -std=c99 or emit a warning if -Wimplicit-function-declaration.
1584         * c.opt (Wimplicit-function-declaration): Replace
1585         mesg_implicit_function_declaration with
1586         warn_implicit_function_declaration.
1587         * c-opts.c (c_common_handle_option):
1588         -Werror-implicit-function-declaration is exactly equal as
1589         -Werror=implicit-function-declaration.
1590         (set_Wimplicit): Replace mesg_implicit_function_declaration with
1591         warn_implicit_function_declaration.
1592         (c_common_post_options): -Wimplict-function-declaration is enabled
1593         by default by -std=c99, otherwise is disabled by default.
1594         * c-objc-common.c (c_objc_common_init): Remove flawed logic.
1595
1596 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
1597
1598         * gimplify.c (gimplify_modify_expr): During gimplification, attach a
1599         DECL on the rhs to a DECL on the lhs for debug info purposes if the
1600         former is ignored but not the latter.
1601
1602 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
1603
1604         * expr.c (expand_expr_real_1) <normal_inner_ref>: If a temporary
1605         is made and the reference doesn't use the alias set of its type,
1606         do not create the temporary using that type.
1607
1608 2007-02-15  Aldy Hernandez  <aldyh@redhat.com>
1609
1610         * jump.c: Remove prototypes for delete_computation and
1611         delete_prior_computation.
1612
1613 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
1614
1615         * jump.c (get_label_after): Delete.
1616         (get_label_before, delete_computation, delete_jump,
1617         delete_prior_computation, follow_jumps): Move...
1618         * reorg.c (delete_computation, delete_prior_computation): ... here...
1619         (get_label_before, delete_jump): ... making these static ...
1620         (follow_jumps): ... and simplifying this since it only runs after
1621         reload.
1622         * rtl.h (get_label_after, get_label_before, delete_jump,
1623         follow_jumps): Delete prototypes.
1624
1625 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
1626
1627         * caller-save.c (save_call_clobbered_regs): Do not process sibcalls.
1628
1629 2007-02-15  Nick Clifton  <nickc@redhat.com>
1630
1631         * varasm.c (default_asm_output_anchor): Prepend * to . symbol in
1632         order to prevent it from being munged by the target.
1633
1634 2007-02-15  Uros Bizjak  <ubizjak@gmail.com>
1635
1636         * config/i386/i386.md: Remove misleading comment.
1637
1638 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1639
1640         * config/frv/frv.md (reload_incc, reload_outcc, reload_incc_uns,
1641         reload_outcc_uns, reload_incc_nz, reload_outcc_nz): Remove
1642         invalid patterns.
1643
1644 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1645
1646         * tree-sra.c (instantiate_missing_elements): Canonicalize
1647         bit-field types.
1648         (sra_build_assignment): New.
1649         (generate_copy_inout, generate_element_copy,
1650         generate_element_zero, generate_one_element_init): Use it.
1651
1652 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1653
1654         * tree-sra.c (instantiate_missing_elements): Canonicalize
1655         bit-field types.
1656         (sra_build_assignment): New.
1657         (generate_copy_inout, generate_element_copy,
1658         generate_element_zero, generate_one_element_init): Use it.
1659
1660 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1661
1662         * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
1663         limbo die nodes.
1664
1665 2007-02-14  Joseph Myers  <joseph@codesourcery.com>
1666
1667         * emit-rtl.c (set_mem_attributes_minus_bitpos): Treat complex
1668         types as aggregates not scalars.
1669         * function.c (assign_stack_temp_for_type): Likewise.
1670
1671 2007-02-14  Roger Sayle  <roger@eyesopen.com>
1672             Zdenek Dvorak  <dvorakz@suse.cz>
1673
1674         * tree-dump.c (dump_switch_p_1): Require exact match of the option
1675         name.
1676
1677 2007-02-14  Zdenek Dvorak  <dvorakz@suse.cz>
1678
1679         * passes.c (next_pass_1): Clear the next field of the copied
1680         pass structure.
1681
1682 2007-02-14  Richard Henderson  <rth@redhat.com>
1683
1684         * tree-sra.c (early_sra): New.
1685         (decl_can_be_decomposed_p): Deny va_list if early_sra.
1686         (tree_sra_early, pass_sra_early): New.
1687         * tree-pass.h (pass_sra_early): Declare.
1688         * passes.c (init_optimization_passes): Use it.
1689
1690 2007-02-14  Richard Guenther  <rguenther@suse.de>
1691
1692         * flags.h (issue_strict_overflow_warning): Convert to a macro.
1693
1694 2007-02-14  Dorit Nuzman  <dorit@il.ibm.com>
1695
1696          PR tree-optimization/30771
1697         * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse
1698         also phi nodes.
1699         (vect_analyze_operations): Induction phis can now be marked as
1700         used_in_loop.
1701         (vect_mark_stmts_to_be_vectorized): No special treatment for phis.
1702         Update documentation accordingly.
1703
1704 2007-02-14  Nick Clifton  <nickc@redhat.com>
1705
1706         * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at
1707         most 3 arguments are supported.
1708         (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description.
1709
1710 2007-02-13  Seongbae Park <seongbae.park@gmail.com>
1711
1712         * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor):
1713         Ensure dst->current is valid.
1714
1715 2007-02-13  Paul Brook  <paul@codesourcery.com>
1716
1717         * config.gcc: Add arm*-*-uclinux-*eabi.
1718         * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define.
1719         (SUBTARGET_EXTRA_LINK_SPEC): Define.
1720         (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling.
1721         (LINK_GCC_C_SEQUENCE_SPEC): Undef.
1722         (LINK_SPEC): Define.
1723         (LIB_SPEC): Define.
1724         * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC
1725         register.
1726         * config/arm/uclinux-eabi.h: New file.
1727         * config/arm/linux-eabi.h (WCHAR_TYPE): Remove.
1728         * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS
1729         based targets.
1730
1731 2007-02-13  Ian Lance Taylor  <iant@google.com>
1732
1733         * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
1734         * flags.h (warn_strict_overflow): Declare.
1735         (enum warn_strict_overflow_code): Define.
1736         (issue_strict_overflow_warning): New static inline function.
1737         * opts.c (warn_strict_overflow): New variable.
1738         (common_handle_option): Handle OPT_Wstrict_overflow and
1739         OPT_Wstrict_overflow_.
1740         * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
1741         OPT_Wall.
1742         * fold-const.c: Include intl.h.
1743         (fold_deferring_overflow_warnings): New static variable.
1744         (fold_deferred_overflow_warning): New static variable.
1745         (fold_deferred_overflow_code): New static variable.
1746         (fold_defer_overflow_warnings): New function.
1747         (fold_undefer_overflow_warnings): New function.
1748         (fold_undefer_and_ignore_overflow_warnings): New function.
1749         (fold_deferring_overflow_warnings_p): New function.
1750         (fold_overflow_warning): New static function.
1751         (make_range): Add strict_overflow_p parameter.  Change all
1752         callers.
1753         (extract_muldiv, extract_muldiv_1): Likewise.
1754         (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
1755         tree_expr_nonnegative_p.
1756         (fold_negate_expr): Call fold_overflow_warning.
1757         (fold_range_test): Likewise.
1758         (fold_comparison): Likewise.
1759         (fold_binary): Likewise.  Call tree_expr_nonnegative_warnv_p
1760         instead of tree_expr_nonnegative_p.
1761         (tree_expr_nonnegative_warnv_p): Rename from
1762         tree_expr_nonnegative_p, add strict_overflow_p parameter.
1763         (tree_expr_nonnegative_p): New function.
1764         (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
1765         strict_overflow_p parameter.
1766         (tree_expr_nonzero_p): New function.
1767         * passes.c (verify_interpass_invariants): New static function.
1768         (execute_one_pass): Call it.
1769         * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
1770         warnings.
1771         (number_of_iterations_exit, loop_niter_by_eval): Likewise.
1772         (estimate_numbers_of_iterations): Likewise.
1773         (scev_probably_wraps_p): Likewise.
1774         * tree-ssa-ccp.c: Include "toplev.h".
1775         (evaluate_stmt): Defer fold overflow warnings until we know we are
1776         going to optimize.
1777         (struct fold_stmt_r_data): Add stmt field.
1778         (fold_stmt_r): Defer fold overflow warnings until we know we
1779         optimized.
1780         (fold_stmt): Initialize stmt field of fold_stmt_r_data.
1781         (fold_stmt_inplace): Likewise.
1782         * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
1783         (cleanup_control_expr_graph): Defer fold overflow warnings until
1784         we know we are going to optimize.
1785         * tree-cfg.c (fold_cond_expr_cond): Likewise.
1786         * tree-ssa-threadedge.c (simplify_control_stmt_condition):
1787         Likewise.
1788         * tree-vrp.c (vrp_expr_computes_nonnegative): Call
1789         tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
1790         * tree-ssa-loop-manip.c (create_iv): Likewise.
1791         * c-typeck.c (build_conditional_expr): Likewise.
1792         (build_binary_op): Likewise.
1793         * tree-vrp.c (vrp_expr_computes_nonzero): Call
1794         tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
1795         (extract_range_from_unary_expr): Likewise.
1796         * simplify-rtx.c (simplify_const_relational_operation): Warn when
1797         assuming that signed overflow does not occur.
1798         * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
1799         * tree.h (tree_expr_nonnegative_warnv_p): Declare.
1800         (fold_defer_overflow_warnings): Declare.
1801         (fold_undefer_overflow_warnings): Declare.
1802         (fold_undefer_and_ignore_overflow_warnings): Declare.
1803         (fold_deferring_overflow_warnings_p): Declare.
1804         (tree_expr_nonzero_warnv_p): Declare.
1805         * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
1806         of warning options.
1807         (Warning Options): Document -Wstrict-overflow.
1808         * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
1809         (tree-ssa-ccp.o): Likewise.
1810         (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
1811         (fold-const.o): Depend on intl.h.
1812
1813 2007-02-13  Ian Lance Taylor  <iant@google.com>
1814
1815         PR middle-end/30751
1816         * lower-subreg.c (resolve_simple_move): Decompose subregs in
1817         addresses.
1818
1819 2007-02-13  Stuart Hastings  <stuart@apple.com>
1820
1821         * gcc/config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
1822
1823 2007-02-13  Richard Henderson  <rth@redhat.com>
1824
1825         * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
1826         handled_component_p before looking for the indirect_ref.
1827
1828 2007-02-13  Richard Henderson  <rth@redhat.com>
1829
1830         * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
1831         remove flags clobber.
1832         (bswapsi2): New expander, emit code for !TARGET_BSWAP.
1833         (bswaphi_lowpart): New.
1834         (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
1835         remove TARGET_BSWAP test.  Delete expander of the same name.
1836
1837         * optabs.c (widen_bswap, expand_doubleword_bswap): New.
1838         (expand_unop): Use them.
1839
1840 2007-02-13  Uros Bizjak  <ubizjak@gmail.com>
1841
1842         * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1,
1843         *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
1844         *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
1845         *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
1846         *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
1847         *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
1848         *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
1849         assembler dialect choice from asm templates.
1850
1851 2007-02-12  Richard Henderson  <rth@redhat.com>
1852
1853         * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
1854         (fixuns_trunc<SSEMODEF>si2): Use it.
1855         * config/i386/sse.md (vec_setv4sf_0): Export.
1856         * config/i386/i386.c (ix86_build_const_vector): Export.
1857         (ix86_split_convert_uns_si_sse): Rename from
1858         ix86_expand_convert_uns_si_sse and rewrite as a splitter.
1859         * config/i386/i386-protos.h: Update.
1860
1861 2007-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1862
1863         PR c/29521
1864         * c-typeck.c (c_finish_return): Improve warning message.
1865
1866 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1867
1868         * alias.c (find_symbolic_term): Delete unused function.
1869
1870 2007-02-12  Uros Bizjak  <ubizjak@gmail.com>
1871
1872         * config/i386/i386.md (paritydi2, paritysi2): New expanders.
1873         (paritydi2_cmp, paritydi2_cmp): New insn and split patterns.
1874         (*parityhi2_cmp, *parityqi2_cmp): New insn patterns.
1875
1876 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
1877
1878         * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
1879         * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
1880         the function, temporarily point the debug interface to the null one.
1881
1882 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
1883
1884         * dwarf2out.c (round_up_to_align): New static function.
1885         (field_byte_offset): Use it to round the offset.
1886
1887 2007-02-12  Richard Henderson  <rth@redhat.com>
1888
1889         * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
1890         (inswl_const): Export.
1891
1892 2007-02-12  Richard Henderson  <rth@redhat.com>
1893
1894         * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
1895         result mode of the libcall, convert back to outmode.
1896
1897 2007-02-12  Roger Sayle  <roger@eyesopen.com>
1898
1899         * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
1900         (bswapdi2): New define_expand to implement 32-bit implementation.
1901
1902 2007-02-12  Nick Clifton  <nickc@redhat.com>
1903
1904         * doc/invoke.texi (Overall Options): Document --help=.
1905         * gcc.c (target_help_flag): Rename to print_subprocess_flag.
1906         (cc1_options): Pass --help= on to cc1.
1907         (display_help): Add description of --help=.
1908         (process_command): Add code to handle --help=.  Allow translated
1909         --help and --target-help switches to be passed on to compiler
1910         sub-process.
1911         (main): Remove unused if statement.
1912         * opts.c (columns): Remove.
1913         (LEFT_COLUMN): Define.
1914         (wrap_help): Add columns argument.
1915         (print_filtered_help): Change parameters to be an include bitmask,
1916         an exclude bitmask, an any bitmask and the column width.  Move the
1917         code to display the params list here.  Add code to display the
1918         status of options rather than their descriptions if the quiet flag
1919         is not active.
1920         (print_specific_help): Change parameters to be an include bitmask,
1921         an exclude bitmask and an any bitmask.  Move code to look up the
1922         column width here.  Decide upon the title for an options listing.
1923         (common_handle_options): Add code to handle --help=.  Adapt code
1924         for --help and --target-help to use the revised form of the
1925         print_specific_help function.
1926         (print_help): Delete.
1927         (print_param_help): Delete.
1928         (print_switch): Delete.
1929         * opts.h (cl_lang_count): Add prototype.
1930         (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
1931         CL_MAX_OPTION_CLASS): New defines.
1932         * optc-gen.awk: Add construction of cl_lang_count.
1933         * c.opt: Add Warning attribute to warning options and Optimization
1934         attribute to optimization options.
1935         * common.opt: Likewise.
1936         Add --help=.
1937         Add -fhelp and -ftarget-help as aliases for the transformed --help
1938         and --target-help options.
1939         * opt-functions.awk: Add code to handle Warning and Optimization
1940         attributes.
1941
1942 2007-02-12  Richard Henderson  <rth@redhat.com>
1943
1944         * config/alpha/constraints.md: New file.
1945         * config/alpha/alpha.c: Include tm-constrs.h.
1946         (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
1947         alpha_extra_constraint): Remove.
1948         (alpha_emit_conditional_branch): Use satisfies_constraint_*.
1949         * config/alpha/alpha-protos.h: Update.
1950         * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
1951         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
1952         (EXTRA_CONSTRAINT): Remove.
1953         * config/alpha/alpha.md: Include constraints.md.
1954         (adddi splitter): Use satisfies_constraint_*.
1955         * config/alpha/predicates.md (add_operand): Likewise.
1956         (sext_add_operand, addition_operation): Likewise.
1957
1958 2007-02-12  Dorit Nuzman  <dorit@il.ibm.com>
1959
1960         PR tree-optimization/29145
1961         * tree-data-ref.c (base_addr_differ_p): Make us more conservative
1962         in our handling of restrict qualified pointers.
1963
1964 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1965
1966         PR middle-end/7651
1967         * doc/invoke.texi (Wunused-value): Update description.
1968         (Wextra): Delete item.
1969         * opts.c (set_Wextra): Don't use the value of Wextra to set the
1970         value of Wunused-value.
1971         * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
1972         (c_finish_stmt_expr): Don't check extra_warnings.
1973         (emit_side_effect_warnings): The caller is responsible to check
1974         warn_unused_value.
1975
1976 2007-02-11  Roger Sayle  <roger@eyesopen.com>
1977             Matt Thomas  <matt@3am-software.com>
1978
1979         * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
1980
1981 2007-02-11  Roger Sayle  <roger@eyesopen.com>
1982
1983         * simplify-rtx.c (simplify_relational_operation_1): Optimize
1984         comparisons of POPCOUNT against zero.
1985         (simplify_const_relational_operation): Likewise.
1986
1987 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1988
1989         * doc/invoke.texi (Wextra): Delete outdated paragraph.
1990
1991 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1992
1993         * dwarf2out.c (root_type): Delete unused function.
1994
1995 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1996
1997         * genattrtab.c (contained_in_p): Delete unused function.
1998         (write_expr_attr_cache): Likewise.
1999
2000 2007-02-11  Jan Hubicka  <jh@suse.cz>
2001
2002         * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
2003         previous patch.
2004
2005 2007-02-11  Steven Bosscher  <steven@gcc.gnu.org>
2006
2007         * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
2008         to add the REG_EQ* note.
2009         * see.c (see_merge_one_use_extension): Likewise.
2010         * local-alloc.c (update_equiv_regs): Likewise.  Also don't
2011         turn REG_EQUAL notes into REG_EQUIV notes if the target
2012         register may have more than one set.
2013         * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
2014         * gcse.c (try_replace_reg): Likewise.
2015         * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
2016         * calls.c (fixup_tail_calls): Likewise.  Abort if there is
2017         more than one REG_EQUIV note.
2018         * reload1.c (gen_reload): Use set_unique_reg_note.
2019
2020 2007-02-11  Uros Bizjak  <ubizjak@gmail.com>
2021
2022         * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
2023         (ix86_builtin_conversion): New function.
2024
2025 2007-02-06  Mark Mitchell  <mark@codesourcery.com>
2026
2027         PR target/29487
2028         * tree.h (DECL_REPLACEABLE_P): New macro.
2029         * except.c (set_nothrow_function_flags): Likewise.
2030
2031 2007-02-11  Tehila Meyzels  <tehila@il.ibm.com>
2032             Ira Rosen  <irar@il.ibm.com>
2033             Dorit Nuzman  <dorit@il.ibm.com>
2034
2035         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
2036         * targhooks.c (default_builtin_vectorized_conversion): New.
2037         * targhooks.h (default_builtin_vectorized_function): New declaration.
2038         * target.h (struct vectorize): Add builtin_conversion field.
2039         * tree-vectorizer.h (type_conversion_vec_info_type): New enum
2040         stmt_vec_info_type value.
2041         (vectorizable_conversion): New declaration.
2042         * tree-vect-analyze.c (vect_analyze_operations): Add
2043         vectorizable_conversion call.
2044         * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
2045         * tree-vect-transform.c (vectorizable_conversion): New function.
2046         (vect_transform_stmt): Add case for type_conversion_vec_info_type.
2047         * tree-vect-generic.c (expand_vector_operations_1): Consider correct
2048         mode.
2049         * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
2050         (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
2051         (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX
2052         or ALTIVEC_BUILTIN_VCFSX.
2053
2054 2007-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2055
2056         PR target/30634
2057         * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
2058         CONST_DOUBLE and operand 0 is a hard register.
2059         (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
2060         memory.  Fail if operand 1 is a non-zero CONST_INT and operand 0
2061         is a hard floating-point register.
2062
2063 2007-02-10  Richard Henderson  <rth@redhat.com>
2064             Jakub Jelinek  <jakub@redhat.com>
2065             Alexandre Oliva  <aoliva@redhat.com>
2066
2067         * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
2068         * builtin-types.def (BT_WORD): Make unsigned.
2069         (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
2070         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
2071         (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
2072         * c-decl.c (grokdeclarator): Don't error if !have_tls.
2073         * c-parser.c (c_parser_omp_threadprivate): Likewise.
2074         * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
2075         emulated tls.
2076         * expr.c (emutls_var_address): New.
2077         (expand_expr_real_1): Expand emulated tls.
2078         (expand_expr_addr_expr_1): Likewise.
2079         * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
2080         * output.h (emutls_finish): Declare.
2081         * toplev.c (compile_file): Call it.
2082         * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
2083         address before wrapping in CONST.
2084         * varasm.c (emutls_htab, emutls_object_type): New.
2085         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
2086         (get_emutls_object_name, get_emutls_object_type): New.
2087         (get_emutls_init_templ_addr, emutls_decl): New.
2088         (emutls_common_1, emutls_finish): New.
2089         (assemble_variable): When emulating tls, swap decls; generate
2090         constructor for the emutls objects.
2091         (do_assemble_alias): When emulating tls, swap decl and target name.
2092         (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
2093         for emulated tls.
2094         * varpool.c (decide_is_variable_needed): Look at force_output.
2095         Recurse for emulated tls.
2096         (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
2097         with decide_is_variable_needed.
2098         * emutls.c: New file.
2099         * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
2100         tls_object for real tls.
2101
2102 2007-02-10  Kaz Kojima  <kkojima@gcc.gnu.org>
2103
2104         PR rtl-optimization/29599
2105         * reload1.c (eliminate_regs_in_insn): Take the destination
2106         mode into account when computing the offset.
2107
2108 2007-02-09  Stuart Hastings  <stuart@apple.com>
2109             Richard Henderson  <rth@redhat.com>
2110
2111         * gcc/config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
2112         * gcc/config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
2113         * gcc/config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
2114         fixuns_truncdfhi2): New.
2115         (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
2116         (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
2117         (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
2118         (floatunssidf2): Allow nonimmediate source.
2119         * gcc/config/i386/sse.md (movdi_to_sse): New.
2120         (vec_concatv2di): Drop '*'.
2121         * gcc/config/i386/i386-protos.h (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         New.
2125         * gcc/config/i386/i386.c (ix86_expand_convert_uns_si_sse,
2126         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
2127         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
2128         ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
2129         (ix86_build_signbit_mask): Fix decl of v, refactor to call
2130         ix86_build_const_vector.
2131         (x86_emit_floatuns): Rewrite.
2132
2133 2007-02-10  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2134
2135         * genautomata.c (longest_path_length): Delete unused function.
2136         (struct state): Delete unused longest_path_length.
2137         (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
2138         (get_free_state): Delete unused.
2139
2140 2007-02-09  Jan Hubicka  <jh@suse.cz>
2141
2142         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
2143         * doc/invoke.texi (inline-unit-growth): Update default value.
2144
2145         * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
2146         * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
2147         (rebuild_cgraph_edges): Likewise.
2148         * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
2149         (dump_cgraph_node): Dump frequencies.
2150         (cgraph_clone_edge): Add frequency scales.
2151         (cgraph_clone_node): Add freuqnecy.
2152         * cgraph.h (cgraph_edge): Add freuqnecy argument.
2153         (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
2154         (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
2155         * tree-pass.h (TODO_rebuild_frequencies): New constant.
2156         * cgraphunit.c (verify_cgraph_node): Verify frequencies.
2157         (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
2158         (save_inline_function_body): Likewise.
2159         * ipa-inline.c: inluce rtl.h
2160         (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
2161         (cgraph_edge_badness): Use frequencies.
2162         (cgraph_decide_recursive_inlining): Update clonning.
2163         (cgraph_decide_inlining_of_small_function): Dump frequency.
2164         * predict.c (estimate_bb_frequencies): Export.
2165         * predict.h (estimate_bb_frequencies): Declare.
2166         * tree-inline.c (copy_bb): Watch overflows.
2167         (expand_call_inline): Update call of cgraph_create_edge.
2168         (optimize_inline_calls): Use TODO flags to update frequnecies.
2169         * passes.h: Include predict.h
2170         (init_optimization_passes): Move profile ahead.
2171         (execute_function_todo): Handle TODO_rebuild_frequencies.
2172
2173 2007-02-09  Roger Sayle  <roger@eyesopen.com>
2174
2175         * config/alpha/alpha.c (emit_insxl): Force the first operand of
2176         the insbl or inswl pattern into a register.
2177
2178 2007-02-09  Roger Sayle  <roger@eyesopen.com>
2179
2180         * config/ia64/ia64.md (bswapdi2): New define_insn.
2181
2182 2007-02-09  Richard Henderson  <rth@redhat.com>
2183
2184         * config/i386/constraints.md (Ym): New constraint.
2185         * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
2186         (movdi_1_rex64): Split sse and xmm general register moves from
2187         memory move alternatives.  Use conditional register constraints.
2188         (movsf_1, movdf_integer): Likewise.
2189         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
2190         (movdf_integer_rex64): New.
2191         (pushsf_rex64): Fix output constraints.
2192         * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
2193         (sse2_stored): Likewise.
2194         (sse2_storeq_rex64): New.
2195         * config/i386/i386.c (x86_inter_unit_moves): Enable for not
2196         amd and not generic.
2197         (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
2198         for optimize_size.  Remove SF/DFmode hack.
2199
2200 2007-02-09  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
2201
2202         * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
2203         (bit_SSE4a): New.
2204
2205 2007-02-09  Nathan Sidwell  <nathan@codesourcery.com>
2206             Richard Sandiford  <richard@codesourcery.com>
2207
2208         * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
2209         (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
2210         (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
2211         m68k/t-mlib to tmake_file.
2212         (m68020-*-elf*, m68k-*-elf*): Likewise.  Add t-m68kbare as well.
2213         (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
2214         (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
2215         Allow it to be cf or m68k.  Set m68k_arch_family.  If that
2216         variable is not empty, add t-$m68k_arch_family to tmake_file.
2217         Add t-mlibs to tmake_file.
2218         * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
2219         * config/m68k/t-cf: New file.
2220         * config/m68k/t-m68k: Likewise.
2221         * config/m68k/t-mlibs: Likewise.
2222         * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
2223         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
2224         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
2225         * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
2226         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
2227         Delete.
2228         * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
2229         (INSTALL_LIBGCC): Delete.
2230         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
2231         * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
2232         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
2233         (M68K_MLIB_CPU): Define.
2234         * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
2235         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
2236         (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
2237
2238 2007-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
2239             Richard Guenther  <rguenther@suse.de>
2240
2241         PR middle-end/23361
2242         * fold-const.c (fold_comparison): Handle obfuscated comparisons
2243         against INT_MIN/INT_MAX.
2244         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
2245         file if a loop is removed.
2246
2247 2007-02-09  Joseph Myers  <joseph@codesourcery.com>
2248
2249         * calls.c (store_one_arg): Pass correct alignment to
2250         emit_push_insn for non-BLKmode values.
2251         * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
2252         unaligned stack slot via a suitably aligned slot.
2253
2254 2007-02-08  DJ Delorie  <dj@redhat.com>
2255
2256         * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
2257         warnings.
2258         (legal_subregs): Use unsigned char, make const.
2259         (m32c_illegal_subreg_p): Use ARRAY_SIZE.  Delete unused variables.
2260
2261 2007-02-08  Paul Brook  <paul@codesourcery.com>
2262
2263         * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
2264         special interworking needed.
2265
2266 2007-02-08  Harsha Jagasia  <harsha.jagasia@amd.com>
2267
2268         * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
2269         conditional to __SSE2__.
2270         (Entries below should have been added to first ChangeLog
2271         entry for amdfam10 dated 2007-02-05)
2272         * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
2273         defined.
2274         * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
2275         defined.
2276         * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
2277         defined.
2278
2279 2007-02-08  DJ Delorie  <dj@redhat.com>
2280
2281         * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
2282         * config/m32c/m32c.c (legal_subregs): New.
2283         (m32c_illegal_subreg_p): New.
2284         * config/m32c/predicates.md (m32c_any_operand): Use it to reject
2285         unsupported subregs of hard regs.
2286
2287 2007-02-08  Jan Hubicka  <jh@suse.cz>
2288
2289         * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
2290         the same one; always update histograms.
2291
2292 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
2293
2294         * passes.c (init_optimization_passes): Tidy comment.
2295
2296 2007-02-08  Roger Sayle  <roger@eyesopen.com>
2297
2298         * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
2299         strip zero_extend, bswap and rotates from POCOUNT's argument.
2300         <PARITY>: Likewise, we can strip not, bswap, sign_extend,
2301         zero_extend and rotates from PARITY's argument.
2302         <BSWAP>: A byte-swap followed by a byte-swap is an identity.
2303         (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
2304         of an integer constant at compile-time.
2305
2306 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
2307
2308         PR 30562
2309         * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
2310         Update all users.
2311         * tree-ssa-alias.c (compute_is_aliased): Remove.  Update all
2312         users.
2313         (init_alias_info):
2314         * tree-ssa-live.c (remove_unused_locals): Do not remove
2315         TREE_ADDRESSABLE variables.
2316         * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
2317         * tree-ssa-operands.c (add_virtual_operand): Remove argument
2318         FOR_CLOBBER.  Update all users.
2319         If VAR has an associated alias set, add a virtual operand for
2320         it if no alias is found to conflict with the memory reference.
2321
2322 2007-02-07  Jan Hubicka  <jh@suse.cz>
2323             Robert Kidd <rkidd@crhc.uiuc.edu>
2324
2325         * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
2326
2327 2007-02-07  Ian Lance Taylor  <iant@google.com>
2328
2329         * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
2330
2331 2007-02-07  Roger Sayle  <roger@eyesopen.com>
2332
2333         * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
2334         parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
2335         tablejumpdi, movsi_to_cr_one): Remove constraints from
2336         define_expand's match_operands.
2337
2338 2007-02-07  Roger Sayle  <roger@eyesopen.com>
2339
2340         * global.c (compute_regsets): Move declatation of "i" inside of
2341         #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
2342
2343 2007-02-07  Jakub Jelinek  <jakub@redhat.com>
2344
2345         PR c++/30703
2346         * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
2347         of INDIRECT_REF <RESULT_DECL>.
2348
2349         * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
2350
2351 2007-02-06  J"orn Rennecke  <joern.rennecke@arc.com>
2352             Kaz Kojima  <kkojima@gcc.gnu.org>
2353
2354         PR target/29746
2355         * config/sh/sh.c (expand_cbranchdi4): Use scratch register
2356         properly.
2357         (sh_initialize_trampoline): Add parentheses to avoid a warning.
2358
2359 2007-02-06  Zdenek Dvorak <dvorakz@suse.cz>
2360
2361         * doc/loop.texi: Document possibility not to perform disambiguation
2362         of loops with multiple latches.
2363         * cfgloopmanip.c (alp_enum_p): Removed.
2364         (add_loop): Handle subloops.  Use get_loop_body_with_size.
2365         (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
2366         * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
2367         the new forwarder block.
2368         (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
2369         Handle the case latch is NULL.
2370         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg modifications
2371         when marking loop exits.
2372         * ifcvt.c (if_convert): Ditto.  Mark loop exits even if cfg cannot
2373         be modified.
2374         * loop-init.c (loop_optimizer_init): Do not modify cfg.  Call
2375         disambiguate_loops_with_multiple_latches.
2376         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
2377         before fix_loop_structure.
2378         * cfgloop.c: Include pointer-set.h and output.h.
2379         (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
2380         update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
2381         (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
2382         find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
2383         mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
2384         disambiguate_multiple_latches, get_loop_body_with_size,
2385         disambiguate_loops_with_multiple_latches): New functions.
2386         (flow_loop_dump): Dump multiple latch edges.
2387         (flow_loop_nodes_find): Handle loops with multiple latches.
2388         (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
2389         (glb_enum_p): Modified.
2390         (get_loop_body): Use get_loop_body_with_size.
2391         * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
2392         (AVOID_CFG_MODIFICATIONS): New constant.
2393         (disambiguate_loops_with_multiple_latches, add_loop,
2394         get_loop_body_with_size): Declare.
2395         * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
2396
2397 2007-02-06  Seongbae Park <seongbae.park@gmail.com>
2398
2399         PR inline-asm/28686
2400         * global.c (compute_regsets): New function.
2401         (global_alloc): Refactored ELIMINABLE_REGSET
2402         and NO_GLOBAL_ALLOC_REGS computation out.
2403         (rest_of_handle_global_alloc): Call compute_regsets()
2404         for non-optimizing case.
2405
2406 2007-02-06  Richard Henderson  <rth@redhat.com>
2407
2408         * config/i386/constraints.md (Y2): Rename from Y.
2409         (Yi): New constraint.
2410         * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
2411         pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
2412         zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
2413         (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
2414         truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
2415         fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
2416         floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed,
2417         absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
2418         fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
2419         * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
2420         mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
2421         vec_extractv2si_1): Change Y constraints to Y2.
2422         * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
2423         vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
2424         Change Y constraints to Y2.
2425         (sse2_loadld): Change Y constraints to x.
2426
2427 2007-02-06  Roger Sayle  <roger@eyesopen.com>
2428
2429         * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
2430         (parity<mode>2): New define_expand using rs6000_emit_parity.
2431         * config/rs6000/rs6000.c (rs6000_emit_popcount,
2432         rs6000_emit_parity): New functions.
2433         * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
2434         rs6000_emit_parity): Prototype here.
2435
2436 2007-02-06  Ian Lance Taylor  <iant@google.com>
2437
2438         * lower-subreg.c (simple_move_operand): Reject CONST.
2439         (resolve_clobber): Call validate_change rather than directly
2440         assigning to XEXP (pat, 0).
2441
2442 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
2443
2444         * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
2445         (tree-ssa-reassoc.o): Add pointer-set.h dependency.
2446         (tree-cfg.o): Remove hashtab.h dependency.
2447
2448         * tree-ssa-loop-ivopts.c: Include pointer-set.h.
2449         (struct ivopts_data): Change niters to pointer_map_t.
2450         (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
2451         (niter_for_exit): Create pointer_map on demand.  Change for
2452         pointer_map API.
2453         (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
2454         (free_loop_data): Destroy data->niters if created and reset field.
2455         (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
2456         (tree_ssa_iv_optimize_loop): Check for presence of stale data.
2457
2458         * tree-ssa-reassoc.c: Include pointer-set.h.
2459         (bb_rank): Change to long *.
2460         (operand_rank): Change to pointer_map_t.
2461         (find_operand_rank): Return long, -1 if not found.  Declare as inline.
2462         (insert_operand_rank): Accept long.
2463         (operand_entry_hash, operand_entry_eq): Remove.
2464         (get_rank): Return long.  Adjust for changes above.
2465         (init_reassoc): Change rank type to long.  Adjust creation of bb_rank
2466         and operand_rank.
2467         (fini_reassoc): Delete operand_rank with pointer_map_destroy.
2468
2469         * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
2470         (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
2471         (insert_vi_for_tree): Rewrite for pointer_map API.  Assert argument
2472         is not NULL.
2473         (lookup_vi_for_tree): Rewrite for pointer_map API.  Return varinfo_t
2474         directly since it cannot be NULL.
2475         (get_vi_for_tree): Rewrite for pointer_map API.
2476         (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
2477         (init_alias_vars): Create vi_for_tree as pointer_map.
2478         (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
2479
2480         * tree-cfg.c: Don't include hashtab.h.
2481         (edge_to_cases): Declare as pointer_map.
2482         (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
2483         Delete.
2484         (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
2485         (start_recording_case_labels): Create edge_to_cases as pointer_map.
2486         (end_recoding_case_labels): Cleanup edge_to_cases manually before
2487         destroying it.
2488         (record_switch_edge): Delete.
2489         (get_cases_for_edge): Adjust for pointer_map API, inline
2490         record_switch_edge (rewritten for new API), remove goto.
2491
2492 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
2493
2494         * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
2495         * tree-nested.c: Include pointer-set.h.
2496         (var_map_elt, var_map_eq, var_map_hash): Delete.
2497         (struct nesting_info): Remove GTY marker.  Change the two htab_t's
2498         to pointer_map_t's.
2499         (nesting_info_bitmap_obstack): New.
2500         (lookup_field_for_decl): Adjust for pointer_map API.
2501         (lookup_tramp_for_decl): Adjust for pointer_map API.
2502         (get_nonlocal_debug_decl): Adjust for pointer_map API.
2503         (get_local_debug_decl): Adjust for pointer_map API.
2504         (convert_nl_goto_reference): Adjust for pointer_map API.
2505         (convert_nl_goto_receiver): Adjust for pointer_map API.
2506         (create_nesting_tree): Create outside GGC space.  Create bitmap on
2507         the new obstack.  Create field_map and var_map as pointer_maps.
2508         (free_nesting_tree): Adjust for changes to create_nesting_tree.
2509         (root): Delete.
2510         (lower_nested_functions): Move root here, no need to NULL it.
2511         Initialize and release the obstack.
2512
2513 2007-02-06  Paolo Bonzini  <bonzini@gnu.org>
2514
2515         * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
2516         Remove prototypes and make them non-static.
2517         (struct tree_int_map): Remove.
2518         * tree.h (struct tree_int_map): Move here, turning TO into an
2519         unsigned int.
2520         (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
2521
2522         * tree.h (TREE_COMPLEXITY): Remove.
2523         (struct tree_exp): Remove complexity field.
2524         * tree.c (build1_stat): Don't set it.
2525
2526 2007-02-06  Dorit Nuzman  <dorit@il.ibm.com>
2527             Victor Kaplansky  <victork@il.ibm.com>
2528
2529         * tree-vectorizer.c (vect_is_simple_use): Support induction.
2530         (vect_is_simple_reduction): Support reduction with induction as
2531         one of the operands.
2532         (vect_is_simple_iv_evolution): Fix formatting.
2533         * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix
2534         formatting.  Don't mark induction phis for vectorization.
2535         (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
2536         * tree-vect-transform.c (get_initial_def_for_induction): New function.
2537         (vect_get_vec_def_for_operand): Support induction.
2538         (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
2539         induction case.
2540         (vectorizable_reduction): Support reduction with induction as one of
2541         the operands.
2542         (vectorizable_type_demotion): Use def-type of stmt argument rather
2543         than dummy def-type.
2544
2545         * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
2546         flag_tree_scev_cprop.
2547         * common.opt (tree-scev-cprop): New flag.
2548
2549         * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
2550         call to vect_get_new_vect_var.
2551
2552 2007-02-06  Ira Rosen  <irar@il.ibm.com>
2553
2554         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that
2555         vectype is not NULL.
2556         (vect_pattern_recog_1): Likewise.
2557
2558 2007-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2559
2560         * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
2561         (fold_negate_expr): Likewise.
2562
2563 2007-02-05  Alexandre Oliva  <aoliva@redhat.com>
2564
2565         PR debug/30189
2566         * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
2567         even if cv-qualification is the same.
2568
2569 2007-02-05  Geoffrey Keating  <geoffk@apple.com>
2570
2571         * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
2572         __enable_execute_stack on completion.
2573
2574 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2575
2576         * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
2577         athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
2578         athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
2579         athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
2580         athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
2581         athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
2582         athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
2583         athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
2584
2585 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2586
2587         * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
2588         cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
2589         swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
2590         fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
2591         x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
2592         floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
2593         floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
2594         mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
2595         umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
2596         umuldi3_highpart_rex64, umulsi3_highpart_insn,
2597         umulsi3_highpart_zext, smuldi3_highpart_rex64,
2598         smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
2599         x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
2600         sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
2601         sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
2602         sqrtextenddfxf2_i387): Added amdfam10_decode.
2603
2604         * config/i386/athlon.md (athlon_idirect_amdfam10,
2605         athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
2606         athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
2607         athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
2608         athlon_ivector_store_amdfam10): New define_insn_reservation.
2609         (athlon_idirect_loadmov, athlon_idirect_movstore): Added
2610         amdfam10.
2611
2612 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2613
2614         * config/i386/athlon.md (athlon_call_amdfam10,
2615         athlon_pop_amdfam10, athlon_lea_amdfam10): New
2616         define_insn_reservation.
2617         (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
2618         athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
2619         athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
2620
2621 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2622
2623         * config/i386/athlon.md (athlon_sseld_amdfam10,
2624         athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
2625         athlon_mmxssest_short_amdfam10): New define_insn_reservation.
2626
2627 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2628
2629         * config/i386/athlon.md (athlon_sseins_amdfam10): New
2630         define_insn_reservation.
2631         * config/i386/i386.md (sseins): Added sseins to define_attr type
2632         and define_attr unit.
2633         * config/i386/sse.md: Set type attribute to sseins for insertq
2634         and insertqi.
2635
2636 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2637
2638         * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
2639         ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
2640         ssecomi_load_amdfam10, ssecomi_amdfam10,
2641         sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
2642         define_insn_reservation.
2643         (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
2644
2645 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2646
2647         * config/i386/athlon.md (cvtss2sd_load_amdfam10,
2648         cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
2649         cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
2650         cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
2651         cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
2652         cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New
2653         define_insn_reservation.
2654
2655         * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
2656         cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
2657         cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
2658         cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
2659         cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
2660
2661 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2662
2663         * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
2664         athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
2665         athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
2666         (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
2667         athlon_ssemul_load_k8): Added amdfam10.
2668
2669 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2670
2671         * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
2672         (x86_sse_unaligned_move_optimal): New variable.
2673
2674         * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for
2675         m_AMDFAM10.
2676         (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
2677         for unaligned vector SSE double/single precision loads for AMDFAM10.
2678
2679 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2680
2681         * config/i386/i386.h (TARGET_AMDFAM10): New macro.
2682         (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
2683         Define TARGET_CPU_DEFAULT_amdfam10.
2684         (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
2685         (processor_type): Add PROCESSOR_AMDFAM10.
2686
2687         * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
2688         processor_type in config/i386/i386.h.
2689         Enable imul peepholes for TARGET_AMDFAM10.
2690
2691         * config.gcc: Add support for --with-cpu option for amdfam10.
2692
2693         * config/i386/i386.c (amdfam10_cost): New variable.
2694         (m_AMDFAM10): New macro.
2695         (m_ATHLON_K8_AMDFAM10): New macro.
2696         (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
2697         x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
2698         x86_promote_QImode, x86_integer_DFmode_moves,
2699         x86_partial_reg_dependency, x86_memory_mismatch_stall,
2700         x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
2701         x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
2702         x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
2703         x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
2704         Enable/disable for amdfam10.
2705         (override_options): Add amdfam10_cost to processor_target_table.
2706         Set up PROCESSOR_AMDFAM10 for amdfam10 entry in
2707         processor_alias_table.
2708         (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
2709         (ix86_adjust_cost): Add code for amdfam10.
2710
2711 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2712
2713         * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
2714         instruction set feature flag. Add new (-mpopcnt) flag for popcnt
2715         instruction. Add new SSE4A (-msse4a) instruction set feature flag.
2716         * config/i386/i386.h: Add builtin definition for SSE4A.
2717         * config/i386/i386.md: Add support for ABM instructions
2718         (popcnt and lzcnt).
2719         * config/i386/sse.md: Add support for SSE4A instructions
2720         (movntss, movntsd, extrq, insertq).
2721         * config/i386/i386.c: Add support for ABM and SSE4A builtins.
2722         Add -march=amdfam10 flag.
2723         * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
2724         * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
2725         and amdfam10.
2726         * doc/extend.texi: Add documentation for SSE4A builtins.
2727
2728 2007-02-05  Bob Wilson  <bob.wilson@acm.org>
2729
2730         * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
2731
2732 2007-02-05  Richard Guenther  <rguenther@suse.de>
2733
2734         * tree-vectorizer.h (vectorizable_function): Add argument type
2735         argument, change return type.
2736         * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
2737         * tree-vect-transform.c (vectorizable_function): Handle extra
2738         argument, return vectorized function decl.
2739         (build_vectorized_function_call): Remove.
2740         (vectorizable_call): Handle calls with result and argument types
2741         differing.  Handle loop vectorization factor correctly.
2742         * targhooks.c (default_builtin_vectorized_function): Adjust for
2743         extra argument.
2744         * targhooks.h (default_builtin_vectorized_function): Likewise.
2745         * target.h (builtin_vectorized_function): Add argument type
2746         argument.
2747         * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
2748         extra argument, allow vectorizing of lrintf.
2749         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
2750         documentation of target hook.
2751
2752 2007-02-05  Hans-Peter Nilsson  <hp@axis.com>
2753
2754         PR target/30665
2755         * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
2756         ("*andhi_clear", andu (casesi+45)): For size-changed operand where
2757         memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
2758
2759 2007-02-05  Roger Sayle  <roger@eyesopen.com>
2760
2761         * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
2762         BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
2763         <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
2764         * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
2765         before canonicalizing sincos to cexpi.
2766         (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
2767
2768 2007-02-05  Roger Sayle  <roger@eyesopen.com>
2769
2770         * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
2771         Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
2772         (alpha_init_builtins): Use alpha_add_builtins to process tables.
2773
2774 2007-02-05  Roger Sayle  <roger@eyesopen.com>
2775
2776         * mips-tfile.c (initialize_init_file): Correct endianness test.
2777
2778 2007-02-05  Kazu Hirata  <kazu@codesourcery.com>
2779
2780         * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
2781         the 'y' constraint.
2782
2783 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
2784
2785         * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
2786         saves in a PARALLEL before the register assignments.
2787
2788 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
2789
2790         * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
2791         DWARF_FRAME_RETURN_COLUMN to be a general register.
2792         * dwarf2out.c (init_return_column_size): New function, split from...
2793         (expand_builtin_init_dwarf_reg_sizes): ...here.  Allow both
2794         DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
2795         to be nongeneral registers.
2796         * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
2797         integer registers.
2798         (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
2799         (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
2800
2801 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
2802
2803         * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
2804
2805 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
2806
2807         * cfgloopmanip.c (loop_delete_branch_edge): Removed.
2808         (remove_path): Use can_remove_branch_p and remove_branch instead
2809         of loop_delete_branch_edge.
2810         * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
2811         (tree_transform_and_unroll_loop): Remove dead branches immediately.
2812         Update profile using scale_dominated_blocks_in_loop.
2813         * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
2814         * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
2815         (can_remove_branch_p, remove_branch): Declare.
2816         * tree-cfg.c (tree_can_remove_branch_p): New function.
2817         (tree_cfg_hooks): Add tree_can_remove_branch_p.
2818         * cfgrtl.c (rtl_can_remove_branch_p): New function.
2819         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
2820
2821 2007-02-05  Jan Hubicka  <jh@suse.cz>
2822
2823         PR middle-end/30696
2824         * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
2825         nodes in cgraph, don't remove offline copy of the function.
2826
2827 2007-02-04  Jan Hubicka  <jh@suse.cz>
2828
2829         * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
2830         vectors might cause maybe_lookup_element_for_expr to be called
2831         on non-sra-candidate.
2832
2833 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
2834
2835         * config/bfin/bfin-modes.def, config/bfin/bfin.c,
2836         config/bfin/bfin.md, config/bfin/predicates.md: Follow
2837         spelling conventions.
2838
2839 2007-02-04  Richard Guenther  <rguenther@suse.de>
2840
2841         PR middle-end/30636
2842         * fold-const.c (try_move_mult_to_index): Make sure to not
2843         overflow one dimension of a multi-dimensional array access.
2844
2845 2007-02-04  Jan Hubicka  <jh@suse.cz>
2846
2847         * passes.c (init_optimization_passes): Reindent.
2848
2849 2007-02-04  Jan Hubicka  <jh@suse.cz>
2850             Eric Botcazou  <ebotcazou@adacore.com>
2851
2852         * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
2853         (execute_fixup_cfg): Break out the abnormal goto code.
2854         * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
2855         (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
2856         (optimize_inline_calls): Call make_nonlocal_label_edges.
2857
2858 2007-02-04  Jan Hubicka  <jh@suse.cz>
2859
2860         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
2861         true when something was changed.
2862         (rename_ssa_copies): When something was changed, do
2863         TODO_remove_unused_locals.
2864         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
2865         add TODO_remove_unused_locals when instruction was removed.
2866
2867 2007-02-04  Jan Hubicka  <jh@suse.cz>
2868
2869         * ipa-inline.c (try_inline): Improve debug output; work on already
2870         inline edges too.
2871         (cgraph_decide_inlining_incrementally): Indent; improve debug output;
2872         call try_inline for already inlined edges too when flattening;
2873         inline also functions that make callee growth but overall unit size
2874         reduce.
2875
2876 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
2877
2878         * config/m32c/bitops.md, config/m32c/jump.md,
2879         config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
2880         config/m32r/m32r.h, config/m32r/m32r.md,
2881         config/m32r/predicates.md, config/m68hc11/larith.asm,
2882         config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
2883         config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
2884         config/mips/mips-protos.h, config/mips/mips.c,
2885         config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
2886         config/mn10300/mn10300.h, config/mn10300/predicates.md,
2887         config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
2888         spelling conventions.
2889
2890         * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
2891         Follow spelling conventions.
2892
2893 2007-02-03  Douglas Gregor  <doug.gregor@gmail.com>
2894
2895         * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
2896         warn about C++0x compatibility.
2897
2898 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
2899
2900         * config/h8300/h8300.c, config/h8300/h8300.h,
2901         config/h8300/h8300.md: Follow spelling conventions.
2902
2903 2007-02-03  Uros Bizjak  <ubizjak@gmail.com>
2904
2905         PR middle-end/30667
2906         * combine.c (try_combine): Do not substitute source operand
2907         with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
2908
2909 2007-02-03  Jan Hubicka  <jh@suse.cz>
2910
2911         PR gcov-profile/30650
2912         * value-prof.c (stringop_block_profile): Fix handling of size counter;
2913         do not divide by zero for never executed counters.
2914         (tree_find_values_to_profile): Fix counters.
2915         * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
2916
2917 2007-02-03  Ian Lance Taylor  <iant@google.com>
2918
2919         * lower-subreg.c (simple_move_operand): New static function,
2920         broken out of simple_move.  Reject LABEL_REF, SYMBOL_REF, and HIGH
2921         operands.
2922         (simple_move): Call simple_move_operand.
2923         (find_decomposable_subregs): Add special handling of MEMs.
2924         (can_decompose_p): Rename from cannot_decompose_p.  Reverse
2925         meaning of return value.  If we see a hard register, test whether
2926         it can store a word_mode value.  Change all callers.
2927
2928 2007-02-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2929
2930         * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
2931         ftrapv insns and expanders.
2932         (subdi3): Change define_expand operand 1 to arith11_operand, and
2933         operand 2 to reg_or_0_operand.  Change constraints of 64-bit insn
2934         pattern to handle reg_or_0 operands.  Revise 32-bit insn pattern to
2935         handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
2936         respectively.
2937
2938         PR middle-end/30174
2939         * varasm.c (notice_global_symbol): Treat global objects as weak when
2940         flag_shlib is true.
2941
2942 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2943
2944         * emit-rtl.c (dconstpi): Delete.
2945         (dconstsqrt2): New.
2946         (init_emit_once): Delete dconstpi and init dconstsqrt2.
2947         * real.h (dconstpi): Delete.
2948         (dconstsqrt2): New.
2949         * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
2950         (fold_builtin_hypot): Likewise.
2951
2952 2007-02-03  Tom Tromey  <tromey@redhat.com>
2953
2954         PR driver/30246
2955         * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
2956         -gcoff3, -gxcoff3, -gvms3 implies -dD.
2957
2958 2007-02-03  Kazu Hirata  <kazu@codesourcery.com>
2959
2960         * c-decl.c, config/avr/avr.c, config/avr/avr.h,
2961         config/m68k/m68k.c, config/m68k/netbsd-elf.h,
2962         config/mn10300/mn10300.c, config/pdp11/pdp11.h,
2963         config/rs6000/cell.md, config/rs6000/darwin.h,
2964         config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
2965         config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
2966         jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
2967         tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
2968         typos.  Follow spelling conventions.
2969         * doc/invoke.texi: Follow spelling conventions.
2970
2971 2007-02-03  Roger Sayle  <roger@eyesopen.com>
2972
2973         * simplify-rtx.c (simplify_relational_operation_1): Implement some
2974         canonicalization transformations that attempt to simplify integer
2975         constant comparisons to become comparisons against zero.
2976
2977 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2978
2979         * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
2980         fabs(x)*sqrt(2).
2981         * fold-const.c (fold_binary): Fix comment typos.  Fold complex
2982         (x,0)-(0,y) into (x,-y).  Likewise (0,y)-(x,0) into (-x,y).
2983
2984 2007-02-02  Mike Stump  <mrs@apple.com>
2985
2986         * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
2987         * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
2988         (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
2989         generate a branch island.
2990
2991 2007-02-02  Bob Wilson  <bob.wilson@acm.org>
2992
2993         * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
2994         (xtensa_legitimate_address_p): New.
2995         (xtensa_legitimize_address): New.
2996         (xtensa_output_addr_const_extra): New.
2997         * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
2998         (BASE_REG_P): New.
2999         (REG_OK_FOR_BASE_P): Use BASE_REG_P.
3000         (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
3001         (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
3002         (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
3003         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
3004         (xtensa_legitimize_address): New.
3005         (xtensa_output_addr_const_extra): New.
3006
3007 2007-02-02  Steve Ellcey  <sje@cup.hp.com>
3008
3009         * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
3010
3011 2007-02-02  Ian Lance Taylor  <iant@google.com>
3012
3013         * expmed.c (expand_divmod): Add comment.
3014
3015 2007-02-02  Kazu Hirata  <kazu@codesourcery.com>
3016
3017         * emit-rtl.c (renumber_insns): Remove.
3018         * flags.h: Remove the extern for flag_renumber_insns.
3019         * rtl.h: Remove the prototype for renumber_insns.
3020         * toplev.c (flag_renumber_insns): Remove.
3021
3022 2007-02-02  Hui-May Chang  <hm.chang@apple.com>
3023
3024         Revert for x86 darwin:
3025         2005-06-19  Uros Bizjak  <uros@kss-loka.si>
3026
3027         * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
3028         code before the following patch under TARGET_MACHO.
3029         (ix86_function_value_regno_p): Likewise.
3030
3031 2007-02-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3032
3033         * fold-const.c (negate_expr_p, fold_negate_expr): Handle
3034         COMPLEX_EXPR.
3035
3036 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
3037
3038         PR target/29682
3039         * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory loads to
3040         general or fp registers.  Add comments.
3041         * config/ia64/ia64.md (reg_pred_prefix): Add comment.
3042
3043 2007-02-02  Paolo Bonzini  <bonzini@gnu.org>
3044
3045         * pointer-set.c (insert_aux): Only return insertion slot.
3046         (pointer_set_insert): Adjust.
3047         (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
3048         pointer_map_destroy, pointer_map_insert, pointer_map_contains,
3049         pointer_map_traverse): New.
3050         * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
3051         pointer_map_create,  pointer_map_destroy, pointer_map_insert,
3052         pointer_map_contains, pointer_map_traverse): Declare.
3053
3054 2007-02-02  Jakub Jelinek  <jakub@redhat.com>
3055
3056         PR middle-end/30473
3057         * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
3058         sprintf (str, "%s").  Do not optimize sprintf (str, "nopercent", p++).
3059
3060 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
3061
3062         * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
3063
3064         (struct _dep): New type.
3065         (dep_t): New typedef.
3066         (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
3067         (DEP_STATUS): New access macro.  The macro with the same name was
3068         renamed to DEP_LINK_STATUS.
3069         (dep_init): Declare function
3070
3071         (struct _dep_link): New type.
3072         (dep_link_t): New typedef.
3073         (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
3074         (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
3075         (DEP_LINK_STATUS): New macro.
3076         (debug_dep_links): New debug function.
3077
3078         (struct _deps_list): New type.
3079         (deps_list_t): New typedef.
3080         (DEPS_LIST_FIRST): New access macro.
3081         (FOR_EACH_DEP_LINK): New cycle macro.
3082         (create_deps_list, free_deps_list, delete_deps_list): Declare
3083         functions.
3084         (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
3085         (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
3086         (copy_deps_list_change_con): Ditto.
3087
3088         (move_dep_link): Declare function.
3089
3090         (struct _dep_node): New type.
3091         (dep_node_t): New typedef.
3092         (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
3093
3094         (struct haifa_insn_data.back_deps): New field to hold backward
3095         dependencies of the insn.
3096         (struct haifa_insn_data.depend): Rename to forw_deps.  Change its type
3097         to deps_list_t.
3098         (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
3099         Change its type to deps_list_t.
3100         (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
3101         (INSN_DEPEND): Rename to INSN_FORW_DEPS.
3102         (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
3103
3104         (INSN_COST): Move to haifa-sched.c.  Use insn_cost () instead.
3105
3106         (DEP_STATUS): Rename to DEP_LINK_STATUS.  Fix typo in the comment.
3107
3108         (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration and
3109         all callers.
3110         (dep_cost): Declare.
3111
3112         * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
3113         (ds_to_dk, dk_to_ds): New functions.
3114
3115         (init_dep_1): New static function.
3116         (init_dep): New function.
3117         (copy_dep): New static function.
3118
3119         (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
3120         functions.
3121         (detach_dep_link): New static function.
3122         (move_dep_link): New function.
3123
3124         (dep_links_consistent_p, dump_dep_links): New static functions.
3125         (debug_dep_links): New debugging function.
3126
3127         (deps_obstack, dl_obstack, dn_obstack): New static variables.
3128
3129         (alloc_deps_list, init_deps_list): New static functions.
3130         (create_deps_list): New function.
3131         (clear_deps_list): New static function.
3132         (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
3133         (deps_list_consistent_p, dump_deps_list): New static functions.
3134         (debug_deps_list): New function.
3135         (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
3136         functions.
3137         (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
3138
3139         (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
3140         use new scheduler dependencies lists.
3141         (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
3142         (sched_analyze): Ditto.  Initialize dependencies lists.
3143         (add_forw_dep, compute_forward_dependences): Update to use new
3144         scheduler dependencies lists.
3145
3146         (init_dependency_caches): Init deps_obstack.
3147         (free_dependency_caches): Free deps_obstack.
3148
3149         (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
3150         new scheduler dependencies lists.
3151         (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
3152         (add_back_forw_dep, delete_back_forw_dep): Ditto.
3153
3154         * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
3155         Update to use new scheduler dependencies lists.
3156         (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
3157         (debug_dependencies): Ditto.
3158         (schedule_region): Update comments.
3159
3160         * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
3161         scheduler dependencies lists.
3162         (schedule_ebb): Update comments.
3163
3164         * rtl.def (DEPS_LIST): Remove.
3165
3166         * lists.c (unused_deps_list): Remove.
3167         (free_list): Update assertions.
3168
3169         (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
3170         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
3171
3172         * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
3173         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
3174
3175         * haifa-sched.c (comments): Update.
3176         (insn_cost1): Remove.  Inline the code into insn_cost ().
3177         (insn_cost): Update to use new scheduler dependencies lists.  Move
3178         processing of the dependency cost to dep_cost ().
3179         (dep_cost): New function.  Use it instead of insn_cost () when
3180         evaluating cost of the dependency.  Use compatible interface to
3181         interact with the target.
3182         (priority): Update to use new scheduler dependencies lists.
3183         (rank_for_schedule): Ditto.  Optimize heuristic that prefers the insn
3184         with greater number of insns that depend on the insn.
3185         (schedule_insn): Update to use new scheduler dependencies lists.  Add
3186         code to free backward dependencies lists.  Inline and optimize code
3187         from resolve_dep () - see PR28071.
3188         (ok_for_early_queue_removal): Update to use new scheduler dependencies
3189         lists.  Update call to targetm.sched.is_costly_dependence hook.
3190
3191         (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
3192         scheduler dependencies lists.
3193
3194         (resolve_dep): Remove.  Move the logic to schedule_insn ().
3195         (init_h_i_d): Initialize dependencies lists.
3196
3197         (process_insn_depend_be_in_spec): Rename to
3198         process_insn_forw_deps_be_in_spec.  Update to use new scheduler
3199         dependencies lists.
3200         (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
3201         Update to use new scheduler dependencies lists.
3202         (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
3203
3204         * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
3205         new scheduler dependencies lists.
3206         (build_intra_loop_deps): Ditto.
3207
3208         * target.h (struct _dep): Declare to use in
3209         gcc_target.sched.is_costly_dependence.
3210         (struct gcc_target.sched.adjust_cost): Fix typo.
3211         (struct gcc_target.sched.is_costly_dependence): Change signature to use
3212         single dep_t parameter instead of an equivalent triad.
3213         (struct gcc_target.sched.adjust_cost_2): Remove.
3214
3215         * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
3216
3217         * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
3218
3219         * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
3220         documentation.
3221         (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
3222
3223         * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
3224         (REG_DEP_TRUE): Document.
3225
3226         * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
3227         Change signature to correspond to the targetm.sched.adjust_cost hook.
3228         Update use in TARGET_SCHED_ADJUST_COST_2.
3229         (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
3230         (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
3231         new scheduler dependencies lists.
3232         (ia64_gen_check): Ditto.
3233
3234         * config/mips/mips.c (vr4130_swap_insns_p): Update to use new scheduler
3235         dependencies lists.
3236
3237         * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
3238         signature to correspond to the targetm.sched.is_costly_dependence hook.
3239         (is_costly_group): Update to use new scheduler dependencies lists.
3240
3241         * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
3242         instead of INSN_COST () macro.
3243
3244 2007-02-01  Ian Lance Taylor  <iant@google.com>
3245
3246         * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
3247
3248 2007-02-01  Guy Martin  <gmsoft@gentoo.org>
3249
3250         * pa.md (tp_load): Correct mfctl instruction syntax.
3251
3252 2007-02-01  Geoffrey Keating  <geoffk@apple.com>
3253
3254         * config/rs6000/rs6000.c (rs6000_stack_info): Correct
3255         altivec_padding_size calculation on AIX.  Improve comment, add
3256         assert to verify that it's right.
3257
3258         * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
3259         64-bit.
3260
3261 2007-2-01  Seongbae Park  <seongbae.park@gmail.com>
3262
3263         PR inline-asm/28686
3264         * global.c (global_alloc): Add mising initialization of
3265         ELIMINABLE_REGSET.
3266
3267 2007-02-01  Roger Sayle  <roger@eyesopen.com>
3268
3269         * alias.c (init_alias_analysis): Correct whitespace.
3270         * bb-reorder.c (fix_edges_for_rarely_executed_code,
3271         partition_hot_cold_basic_blocks): Likewise.
3272         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
3273         expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
3274         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
3275         fold_builtin_snprintf_chk, fold_builtin_printf,
3276         fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
3277         do_mpfr_arg3, do_mpfr_sincos): Likewise.
3278         * cfgcleanup.c (cleanup_cfg): Likewise.
3279         * cfgexpand.c (tree_expand_cfg): Likewise.
3280         * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
3281         * function.c (get_next_funcdef_no): Likewise.
3282         * gengtype.c (main): Likewise.
3283         * genmodes.c (main): Likewise.
3284         * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
3285         * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
3286         * ifcvt.c (noce_emit_move_insn): Likewise.
3287         * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
3288         Likewise.
3289         * stor-layout.c (get_best_mode): Likewise.
3290         * tree-ssa-loop-niter.c (get_val_for): Likewise.
3291         * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
3292         scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
3293         perform_var_substitution, solve_graph): Likewise.
3294         * tree-vrp.c (vrp_finalize): Likewise.
3295
3296 2007-02-01  Ian Lance Taylor  <iant@google.com>
3297
3298         * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
3299         high part of a paradoxical subreg, return a constant zero.
3300
3301 2007-02-01  Zdenek Dvorak <dvorakz@suse.cz>
3302
3303         * toplev.c (lang_dependent_init): Call init_set_costs.
3304         * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
3305
3306 2007-02-01  Richard Guenther  <rguenther@suse.de>
3307
3308         PR middle-end/30656
3309         * fold-const.c (fold_negate_expr): Allow negating a
3310         constant if overflow does not change.
3311
3312 2007-02-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3313
3314         * doc/c-tree.texi (Expression trees): Improve markup.
3315         * doc/tm.texi (Register Classes, Addressing Modes)
3316         (Floating Point): Fix spacing after abbreviations.  Fix some
3317         typos.
3318
3319 2007-02-01  Ben Elliston  <bje@au.ibm.com>
3320
3321         * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
3322         * doc/contrib.texi: Likewise.
3323         * doc/install.texi: Likewise.
3324
3325 2007-01-31  Richard Henderson  <rth@redhat.com>
3326             Ian Lance Taylor  <iant@google.com>
3327
3328         * lower-subreg.c: New file.
3329         * rtl.def (CONCATN): Define.
3330         * passes.c (init_optimization_passes): Add pass_lower_subreg and
3331         pass_lower_subreg2.
3332         * emit-rtl.c (update_reg_offset): New static function, broken out
3333         of gen_rtx_REG_offset.
3334         (gen_rtx_REG_offset): Call update_reg_offset.
3335         (gen_reg_rtx_offset): New function.
3336         * regclass.c: Revert patch of 2006-03-05, restoring
3337         reg_scan_update.
3338         (clear_reg_info_regno): New function.
3339         * dwarf2out.c (concatn_loc_descriptor): New static function.
3340         (loc_descriptor): Handle CONCATN.
3341         * common.opt (fsplit_wide_types): New option.
3342         * opts.c (decode_options): Set flag_split_wide_types when
3343         optimizing.
3344         * timevar.def (TV_LOWER_SUBREG): Define.
3345         * rtl.h (gen_reg_rtx_offset): Declare.
3346         (reg_scan_update): Declare.
3347         * regs.h (clear_reg_info_regno): Declare.
3348         * tree-pass.h (pass_lower_subreg): Declare.
3349         (pass_lower_subreg2): Declare.
3350         * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
3351         (Optimize Options): Add -fsplit-wide-types to -O1 list.  Document
3352         -fsplit-wide-types.
3353         * doc/rtl.texi (Regs and Memory): Document concat and concatn.
3354         * Makefile.in (OBJS-common): Add lower-subreg.o.
3355         (lower-subreg.o): New target.
3356
3357 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
3358
3359         * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
3360
3361 2007-01-31  Anatoly Sokolov <aesok@post.ru>
3362
3363         PR target/19087
3364         * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
3365
3366 2007-01-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3367
3368         PR middle-end/29335
3369         * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
3370
3371 2007-01-31  Zdenek Dvorak <dvorakz@suse.cz>
3372
3373         * cfgloop.h: Include vec-prim.h.
3374         (enum li_flags): Remove LI_ONLY_OLD.
3375         (loop_iterator): Changed.
3376         (fel_next, fel_init): Iterate over loop tree.
3377         (FOR_EACH_LOOP_BREAK): New macro.
3378         * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
3379         FOR_EACH_LOOP.
3380         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
3381         * modulo-sched.c (sms_schedule): Ditto.
3382         * tree-vectorizer.c (vectorize_loops): Ditto.
3383         * doc/loop.texi: Update information on loop numbering and behavior of
3384         FOR_EACH_LOOP wrto new loops.
3385         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
3386         add_to_evolution_1): Test nestedness of loops instead of comparing
3387         their numbers.
3388         * tree-chrec.c (chrec_fold_plus_poly_poly,
3389         chrec_fold_multiply_poly_poly, chrec_evaluate,
3390         hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
3391         reset_evolution_in_loop): Ditto.
3392         * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
3393
3394 2007-01-31  Dirk Mueller  <dmueller@suse.de>
3395
3396         * c-common.c (warn_about_parentheses): Separate warning about
3397         un-parenthized sequence of comparison operators from the one
3398         which is supposed to warn about x <= y <= z.
3399
3400 2007-01-31  Uros Bizjak  <ubizjak@gmail.com>
3401
3402         * optabs.h (enum optab_index): Add new OTI_isinf.
3403         (isinf_optab): Define corresponding macro.
3404         * optabs.c (init_optabs): Initialize isinf_optab.
3405         * genopinit.c (optabs): Implement isinf_optab using isinf?f2
3406         patterns.
3407         * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
3408         (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
3409         using isinf_optab.
3410         (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
3411         expand_builtin_interclass_mathfn.
3412         * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
3413         * config/i386/i386.md (UNSPEC_FXAM): New constant.
3414         (fxam<mode>2_i387): New insn pattern.
3415         (isinf<mode>2) New expander to implement isinf, isinff and isinfl
3416         built-in functions as x87 inline asm.
3417
3418 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
3419
3420         * gcc/config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
3421
3422 2007-01-30  Eric Christopher  <echristo@apple.com>
3423
3424         * config.gcc: Add geode.
3425
3426 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
3427
3428         * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
3429         ipa-inline.c, tree-profile.c, tree-ssa-live.c,
3430         tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
3431         value-prof.c: Fix comment typos.
3432
3433 2007-01-30  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3434
3435         PR c++/24745
3436         * doc/invoke.texi (Wpointer-arith): Document warning.
3437
3438 2007-01-30  Janis Johnson  <janis187@us.ibm.com>
3439
3440         * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
3441         the list of discrepancies from the draft TR.
3442
3443 2007-01-30  Dirk Mueller  <dmueller@suse.de>
3444
3445         PR c++/30601
3446         * doc/invoke.texi (-Wreturn-type): Update description to
3447         match new behavior.
3448
3449 2007-01-30  Richard Sandiford  <richard@codesourcery.com>
3450
3451         * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
3452
3453 2007-01-30  Uros Bizjak  <ubizjak@gmail.com>
3454
3455         * builtins.c (expand_builtin_int_interclass_roundingfn): New function
3456         to handle optabs that operate on floating point input argument and
3457         output to integer output.
3458         (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
3459         (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
3460         (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
3461         expand_builtin_interclass_mathfn ().
3462         * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
3463         (ilogbsi2): Remove.
3464         (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
3465         ilogbl built-in functions as x87 intrinsics.
3466
3467 2007-01-30  Richard Guenther  <rguenther@suse.de>
3468
3469         PR middle-end/27657
3470         * dwarf2out.c (reference_to_unused): Query varpool if the
3471         variable was output.
3472
3473 2007-01-30  Richard Guenther  <rguenther@suse.de>
3474
3475         PR middle-end/30313
3476         * passes.c (execute_one_pass): Reset in_gimple_form to not
3477         confuse non-unit-at-a-time mode.
3478
3479 2007-01-29  Roger Sayle  <roger@eyesopen.com>
3480             Richard Guenther  <rguenther@suse.de>
3481
3482         * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
3483         avoid undefined behaviour on overflow.  Use force_fit_type_double
3484         to construct the constant with the specified TREE_OVERFLOW.
3485
3486 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
3487
3488         * config/dfp-bit.c: Add parameterized support for fp exceptions.
3489         * config/dfp-bit.h: Ditto.
3490
3491 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3492
3493         * c-decl.c (pop_scope): Replace warnings with call to
3494         warn_for_unused_label.
3495         * c-common.h (warn_for_unused_label): Declare.
3496         * c-common.c (warn_for_unused_label): Define.
3497
3498 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3499
3500         * tree-optimize.c (update_inlined_to_pointers): Delete unused
3501         function.
3502
3503 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
3504
3505         * Makefile.in (USER_H): Remove decfloat.h.
3506         * ginclude/decfloat.h: Delete, moving contents to ...
3507         * ginclude/float.h: Add support for decimal floating point,
3508         guarded by __STDC_WANT_DEC_FP__.
3509
3510 2007-01-29  Mike Stump  <mrs@apple.com>
3511
3512         * doc/gccint.texi (Top): Rename Loop Representation to Loop
3513         Analysis and Representation to resolve case insensitive conflict.
3514         * doc/loop.texi (Loop Analysis and Representation): Likewise.
3515
3516 2007-01-28  Daniel Berlin  <dberlin@dberlin.org>
3517
3518         * tree.h (struct tree_memory_tag): Add aliases member.
3519         (MTAG_ALIASES): New macro.
3520         * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
3521         (add_may_alias): Remove pointer-set. Update for may_aliases being
3522         a bitmap.
3523         (mark_aliases_call_clobbered): Update for may_aliases being a
3524         bitmap.
3525         (compute_tag_properties): Ditto.
3526         (create_partition_for): Ditto.
3527         (compute_memory_partitions): Ditto.
3528         (dump_may_aliases_for): Ditto.
3529         (is_aliased_with): Ditto.
3530         (add_may_alias_for_new_tag): Ditto.
3531         (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
3532         (compute_is_aliased): New function.
3533         (compute_may_aliases): Call compute_is_aliased).
3534         (init_alias_info): Initialize alias_bitmap_obstack.
3535         (union_alias_set_into): New function.
3536         (compute_flow_sensitive_aliasing): Use union_aliases_into.
3537         (have_common_aliases_p): Rewrite to take two bitmaps and use
3538         intersection.
3539         (compute_flow_insensitive_aliasing): Stop using pointer-sets.
3540         Update for bitmaps.
3541         (finalize_ref_all_pointers): Update for add_may_alias changes.
3542         (new_type_alias): Ditto.
3543         * tree-flow-inline.h (may_aliases): Return a bitmap.
3544         * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
3545         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
3546         may_aliases being a bitmap.
3547         * tree-flow.h (struct var_ann_d): Remove may_aliases member.
3548         may_aliases now returns a bitmap.
3549         * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
3550         being a bitmap.
3551         * tree-ssa-operands.c (add_virtual_operand): Update for
3552         may_aliases being a bitmap.
3553
3554 2007-01-29  Daniel Berlin  <dberlin@dberlin.org>
3555
3556         PR tree-optimization/30630
3557         * tree-ssa-structalias.c (do_complex_constraint): Mark correct
3558         variable as changed.
3559
3560 2007-01-29  Simon Martin  <simartin@users.sourceforge.net>
3561
3562         PR c++/28266
3563         * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
3564         expanded only once even if an error occurs.
3565
3566 2007-01-29  Ben Elliston  <bje@au.ibm.com>
3567
3568         * gcov-io.h (__gcov_indirect_call_profiler): Declare.
3569         (__gcov_average_profiler): Likewise.
3570         (__gcov_ior_profiler): Likewise.
3571         (__gcov_merge_ior): Likewise.
3572
3573 2007-01-28  Jan Hubicka  <jh@suse.cz>
3574
3575         * builtins.c (expand_builtin_memset): Fix typo in my last patch.
3576         * value-prof.c (stringop_block_profile): Likewise.
3577
3578 2007-01-28  Jan Hubicka  <jh@suse.cz>
3579
3580         * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall): Add
3581         variant handling histograms; add wrapper.
3582         (clear_storage_via_libcall): Export.
3583         (emit_block_move_hints): Break out from ...; add histograms.
3584         (emit_block_move): ... this one.
3585         (clear_storage_hints): Break out from ...; add histograms.
3586         (clear_storage): ... this one.
3587         (set_storage_via_memset): Handle histogram.
3588         * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
3589         (clear_storage_hints, clear_storage_via_libcall): Declare.
3590         (set_storage_via_setmem): Update prototype.
3591         * doc/md.texi (movmem, setmem): Document new arguments.
3592
3593         * value-prof.c (dump_histogram_value, tree_find_values_to_profile): Add
3594         new histograms.
3595         (stringop_block_profile): New global function.
3596         (tree_stringops_values_to_profile): Profile block size and alignment.
3597         * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
3598         HIST_TYPE_IOR.
3599         (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
3600         (stringop_block_profile): Declare.
3601         * builtins.c: Include value-prof.h.
3602         (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
3603         * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
3604         (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
3605         (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
3606         * profile.c (instrument_values): Add new counters.
3607         * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
3608         calls.
3609         * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
3610         (tree_init_edge_profiler): Build new profilers.
3611         (tree_gen_average_profiler, tree_gen_ior_profiler): New.
3612         (pass_tree_profile): Add dump.
3613         (tree_profile_hooks): Update.
3614         * Makefile.in (LIBGCOV): Add new constants.
3615         * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
3616         __gcov_ior_profiler): New.
3617         * i386.md (movmem/setmem expanders): Add new optional arguments.
3618
3619 2007-01-28  David Edelsohn  <edelsohn@gnu.org>
3620
3621         * doc/md.texi (Standard Pattern Names): Document blockage pattern.
3622
3623 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
3624
3625         * tree-ssa-loop-unswitch.c: Include tree-inline.h.
3626         (tree_unswitch_single_loop): Pass eni_size_weights to
3627         tree_num_loop_insns.
3628         * tree-ssa-loop-manip.c: Include tree-inline.h.
3629         (can_unroll_loop_p): Pass eni_size_weights to
3630         tree_num_loop_insns.
3631         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
3632         Pass eni_size_weights to estimate_num_insns.
3633         * tree.h (init_inline_once): Export.
3634         * toplev.c (backend_init): Call init_inline_once.
3635         * cgraphunit.c (cgraph_process_new_functions,
3636         cgraph_analyze_function): Pass eni_inlining_weights to
3637         estimate_num_insns.
3638         * ipa-inline.c (compute_inline_parameters): Ditto.
3639         * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
3640         to estimate_num_insns.
3641         (try_unroll_loop_completely): Pass eni_size_weights to
3642         tree_num_loop_insns.
3643         * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
3644         ot estimate_num_insns.
3645         * tree-ssa-loop-prefetch.c: Include tree-inline.h.
3646         (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
3647         * tree-inline.c (eni_inlining_weights, eni_size_weights,
3648         eni_time_weights): New variables.
3649         (init_inline_once): Initialize them.
3650         (struct eni_data): Mew.
3651         (estimate_num_insns_1, estimate_num_insns): Use weights.
3652         * tree-inline.h (struct eni_weights_d): New.
3653         (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
3654         (estimate_num_insns): Declaration changed.
3655         * cfgloop.h (tree_num_loop_insns): Declaration changed.
3656         * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
3657         tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
3658
3659 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
3660
3661         * tree-data-ref.c (conflict_fn): Assert that the number of affine
3662         relations in the conflict function is valid.
3663
3664 2007-01-27  Ian Lance Taylor  <iant@google.com>
3665
3666         * common.opt: Add fstrict-overflow.
3667         * opts.c (decode_options): Set flag_strict_overflow if -O2.
3668         * flags.h (TYPE_OVERFLOW_WRAPS): Define.
3669         (TYPE_OVERFLOW_UNDEFINED): Define.
3670         (TYPE_OVERFLOW_TRAPS): Define.  This replaces TYPE_TRAP_SIGNED.
3671         Replace all uses.
3672         * tree.h (TYPE_TRAP_SIGNED): Don't define.
3673         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
3674         (fold_negate_expr): Likewise.
3675         (make_range): Likewise.
3676         (extract_muldiv_1): Likewise.
3677         (maybe_canonicalize_comparison): Likewise.
3678         (fold_comparison): Likewise.
3679         (fold_binary): Likewise.
3680         (tree_expr_nonnegative_p): Likewise.
3681         (tree_expr_nonzero_p): Likewise.
3682         * tree-vrp.c (compare_values): Likewise.
3683         (extract_range_from_binary_expr): Likewise.
3684         (extract_range_from_unary_expr): Likewise.
3685         * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
3686         Likewise.
3687         (nowrap_type_p): Likewise.
3688         * tree-scalar-evolution.c (simple_iv): Likewise.
3689         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
3690         (build_range_check): Likewise.
3691         (extract_muldiv_1): Likewise.
3692         (fold_comparison): Likewise.
3693         * tree-vrp.c (vrp_int_const_binop): Likewise.
3694         (extract_range_from_unary_expr): Likewise.
3695         * convert.c (convert_to_integer): Likewise.
3696         * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
3697         (fold_comparison): Likewise.
3698         (fold_binary): Likewise.
3699         * optabs.c (optab_for_tree_code): Likewise.
3700         * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
3701         * simplify-rtx.c (simplify_const_relational_operation): Check
3702         flag_strict_overflow and flag_trapv.
3703         (simplify_const_relational_operation): Likewise.
3704         * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
3705         (Optimize Options): Add -fstrict-overflow to -O2 list.  Document
3706         -fstrict-overflow.
3707
3708 2007-01-27  Roger Sayle  <roger@eyesopen.com>
3709
3710         * tree.c (tree_fold_gcd): Delete.
3711         * tree.h (tree_fold_gcd): Remove prototype.
3712         * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
3713         test whether one constant integer is a multiple of another.  Instead
3714         call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
3715         * fold-const.c (multiple_of_p):  We've determined both TOP and
3716         BOTTOM are integer constants so we can call int_const_binop directly
3717         instead of the more generic const_binop.
3718
3719 2007-01-27  Roger Sayle  <roger@eyesopen.com>
3720
3721         * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
3722         1*X check that the constant hasn't overflowed, to preserve the
3723         TREE_OVERFLOW bit.
3724         (round_up): Provide an efficient implementation when rouding-up an
3725         INTEGER_CST to a power-of-two.
3726
3727 2007-01-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3728
3729         * doc/sourcebuild.texi: Add comma for clarity.
3730         * doc/extend.texi: Fix some typos.
3731         * doc/passes.texi: Likewise.
3732         * doc/cppinternals.texi: Likewise.
3733         * doc/c-tree.texi: Likewise.
3734         * doc/tree-ssa.texi: Likewise.
3735         * doc/install.texi: Likewise.
3736
3737 2007-01-27  Jan Hubicka  <jh@suse.cz>
3738
3739         * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
3740         (pass_sra): Do not require alias information.
3741         * passes.c (init_optimization_passes): Add SRA
3742
3743 2007-01-27  Steven Bosscher  <steven@gcc.gnu.org>
3744
3745         * tracer.c (rest_of_handle_tracer): We already cleaned
3746         up the CFG in tracer() so don't do it here again.
3747         * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
3748         cleanup_cfg here, either.  And don't call renumber_insns.
3749
3750         * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
3751         and BB_HEAD are in the insn stream here.  Instead make sure
3752         that BB_INSN is valid on all insns.  Also, do check here that
3753         there are no pending branch predictions...
3754         (rtl_verify_flow_info): ...instead of doing it here.  Checks
3755         for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
3756         here.
3757
3758 2007-01-26  Roger Sayle  <roger@eyesopen.com>
3759
3760         * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
3761         function to simplify/factorize operand order canonicalization.
3762         (ix86_fixup_binary_operands): Reorganize using the above function.
3763         (ix86_binary_operator_ok): Likewise.
3764
3765 2007-01-27  Jakub Jelinek  <jakub@redhat.com>
3766
3767         * genattrtab.c (struct attr_value_list, insn_code_values): Move to
3768         file scope from optimize_attrs.
3769         (simplify_test_exp): If insn_code_values is not NULL, use it to speed
3770         up search.
3771         (optimize_attrs): Clear insn_code_values after freeing it.
3772
3773 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
3774
3775         * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
3776         a parts.base assignment.
3777
3778 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
3779
3780         * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
3781         (compute_subscript_distance, initialize_data_dependence_relation,
3782         finalize_ddr_dependent, analyze_ziv_subscript,
3783         analyze_siv_subscript_cst_affine,
3784         compute_overlap_steps_for_affine_univar,
3785         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
3786         analyze_siv_subscript, analyze_miv_subscript,
3787         analyze_overlapping_iterations, subscript_dependence_tester_1,
3788         compute_self_dependence, free_dependence_relation): Work
3789         with affine_fn instead of chrecs.
3790         (dump_affine_function, dump_conflict_function, affine_function_equal_p,
3791         common_affine_function, affine_function_base,
3792         affine_function_constant_p, affine_fn_op, affine_fn_plus,
3793         affine_fn_minus, affine_fn_free, conflict_fn_not_known,
3794         conflict_fn_no_dependence, free_conflict_function, free_subscripts,
3795         conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
3796         (all_chrecs_equal_p): Removed.
3797         * tree-data-ref.h (affine_fn, conflict_function): New types.
3798         (struct subscript): Change type of conflicting_iterations_in_a
3799         and conflicting_iterations_in_b.
3800
3801 2007-01-26  Steve Ellcey  <sje@cup.hp.com>
3802
3803         PR other/30182
3804         * config/pa/pa.h (TARGET_HPUX_11): New.
3805         * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
3806         * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
3807
3808 2007-01-26  Daniel Berlin  <dberlin@dberlin.org>
3809         Richard Guenther  <rguenther@suse.de>
3810
3811         * tree-ssa-structalias.c (solve_graph): Handle case
3812         we merged the variable to another.
3813
3814 2007-01-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3815
3816         * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
3817         functions.
3818
3819         * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
3820         catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
3821
3822 2007-01-25  DJ Delorie  <dj@redhat.com>
3823
3824         * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
3825         allow changes to modes which don't fit in those registers.
3826
3827         * reload1.c (choose_reload_regs): Check for invalid subregs before
3828         computing their locations, not after.
3829
3830 2007-01-25  Geoffrey Keating  <geoffk@apple.com>
3831
3832         PR 25127
3833         * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
3834         save Altivec registers in an eh_return function.
3835         (compute_vrsave_mask): Likewise.
3836         (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
3837         for saving Altivec registers.
3838         (rs6000_emit_prologue): Don't allocate stack twice in
3839         eh_return function.  Correct expected value of altivec_save_offset
3840         when using save_world.  Describe save of R0 to stack when using
3841         save_world.  Describe stack pointer adjustment when using
3842         save_world.  Remove duplicated eh_return parameter register saving.
3843         Update sp_offset variable after save_world.
3844         * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
3845         darwin-world.asm.
3846         (LIB2FUNCS_EXTRA): Add darwin-world.asm.
3847         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
3848         implies Altivec.
3849
3850 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
3851
3852         * config.gcc (ia64*-*-hpux*): Make posix threads the default.
3853
3854 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
3855
3856         PR other/30182
3857         * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
3858         * config/ia64/ia64.c (ia64_init_builtins):  Ditto.
3859
3860 2007-01-25  Richard Guenther  <rguenther@suse.de>
3861
3862         * doc/invoke.texi (-Wcoverage-mismatch): Document.
3863         * common.opt (-Wcoverage-mismatch): New warning option.
3864         * coverage.c (get_coverage_counts): Ignore coverage mismatch
3865         if -Wcoverage-mismatch is given.
3866
3867 2007-01-25  Razya Ladelsky  <razya@il.ibm.com>
3868
3869         * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
3870         (ipcp_driver): Change to static definition.
3871         Add dumping of the ifunctions.
3872         (constant_val_insert): Remove unused parameter. Support for SSA.
3873         (ipcp_propagate_const): Support for SSA.
3874         (ipcp_profile_bb_print): Print only analyzed nodes.
3875         (ipcp_replace_map_create): Remove support for Fortran constant
3876         for now.
3877         * ipa-prop.c (ipa_method_modify_stmt,
3878         ipa_callsite_compute_param): Support for SSA.
3879         * ipa-prop.h (ipcp_driver): Remove declaration.
3880         (IS_VALID_TREE_MAP_INDEX): Add define.
3881
3882 2007-01-24  Geoffrey Keating  <geoffk@apple.com>
3883
3884         * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
3885
3886 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3887
3888         PR middle-end/30447
3889         * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
3890         constant argument to cabs and do it without checking for
3891         -funsafe-math-optimizations.
3892
3893 2007-01-24  Douglas Gregor  <dgregor@osl.iu.edu>
3894
3895         * c-common.h (RID_FIRST_CXX0X): New.
3896         (RID_LAST_CXX0X): New.
3897         * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
3898         by -Wall.
3899         * c.opt (Wc++0x-compat): New.
3900         * doc/invoke.texi (-Wc++0x-compat): Document.
3901
3902 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3903
3904         * builtins.c (fold_builtin_carg): New.
3905         (fold_builtin_1): Use it.
3906
3907 2007-01-24  Jan Hubicka  <jh@suse.cz>
3908
3909         * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
3910
3911         * ipa-inline.c (initial_insns, max_insns): Delete.
3912         (compute_max_insns): New function.
3913         (cgraph_decide_inlining_of_small_function): Use it; take minimal amount
3914         of insns as base for code growth.
3915         (cgraph_decide_inlining): Make initial_insns local; do not compute
3916         max_insns.
3917         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
3918         * doc/invoke.texi (inline-unit-growth): Update docs.
3919
3920 2007-01-24  Jakub Jelinek  <jakub@redhat.com>
3921
3922         * config/i386/i386.h (x86_cmpxchg16b): Remove const.
3923         (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
3924         * config/i386/i386.c (x86_cmpxchg16b): Remove const.
3925         (override_options): Add PTA_CX16 flag.  Set x86_cmpxchg16b
3926         for CPUs that have PTA_CX16 set.
3927
3928         PR middle-end/27416
3929         * gimplify.c (omp_check_private): New function.
3930         (gimplify_scan_omp_clauses): Use it for
3931         firstprivate/lastprivate/reduction.
3932
3933         PR middle-end/30494
3934         * gimplify.c (omp_add_variable): Don't call omp_notice_variable
3935         on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
3936
3937         PR middle-end/30421
3938         * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
3939         If lower_lastprivate_clauses emits some statements, append them
3940         to dlist rather than body_p and to body_p append an initializer.
3941         (lower_omp_for): Adjust caller.
3942
3943 2007-01-24  Steve Ellcey  <sje@cup.hp.com>
3944
3945         * target.h (globalize_decl_name): New.
3946         * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
3947         * output.h (default_globalize_decl_name): New.
3948         * varasm.c (asm_output_bss): Use globalize_decl_name instead of
3949         globalize_label.
3950         (globalize_decl): Ditto.
3951         (default_globalize_decl_name): New.
3952         * config/ia64/ia64.c (ia64_globalize_decl_name): New.
3953         (ia64_handle_version_id_attribute): New.
3954         (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
3955         (ia64_asm_output_external): Use globalize_decl_name instead
3956         of globalize_label.
3957         * doc/extend.texi (version_id): New pragma.
3958         * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
3959
3960 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
3961
3962         * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
3963         _uleb128_t and _Unwind_SWord with _sleb128_t.
3964         * unwind-dw2.c (extract_cie_info, execute_stack_op, execute_cfa_program,
3965         uw_frame_state_for, uw_update_context_1): Likewise.
3966         * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
3967         * unwind-pe.h (read_uleb128, read_sleb128,
3968         read_encoded_value_with_base): Likewise.
3969         * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
3970
3971 2007-01-24  Richard Guenther  <rguenther@suse.de>
3972
3973         * builtins.c (expand_builtin_cexpi): Get the fndecl
3974         for cexp in the correct way.
3975
3976 2007-01-24  Jan Hubicka  <jh@suse.cz>
3977
3978         * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS of calls.
3979
3980 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
3981
3982         * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
3983         (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
3984         __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
3985         __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
3986         __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
3987         __SIZEOF_PTRDIFF_T__.
3988         * doc/cpp.texi: Documentation for the new builtin macros added.
3989
3990 2007-01-24  Uros Bizjak  <ubizjak@gmail.com>
3991
3992         * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
3993         log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
3994         instead of operands[2] to avoid access past the end of array.
3995
3996 2007-01-24  Richard Sandiford  <richard@codesourcery.com>
3997
3998         * reload1.c (emit_reload_insns): Pass the reload register
3999         for a non-spill output reload through forget_old_reloads_1.
4000
4001 2007-01-23  Joseph Myers  <joseph@codesourcery.com>
4002
4003         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
4004         _SOFT_DOUBLE if doubles use software floating-point.
4005         * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
4006         double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
4007         * config/rs6000/darwin-ldouble.c: Also compile functions for
4008         hard-float without FPRs.  Use fmsub function for all __NO_FPRS__
4009         cases.  Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
4010         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
4011         commented-out long double override.
4012         (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
4013         * config/rs6000/eabispe.h: Likewise.
4014         * config/rs6000/rs6000.c (rs6000_override_options): Don't override
4015         long double for non-SPE.
4016         (rs6000_handle_option): Likewise.
4017         (invalid_e500_subreg): Disallow more subregs involding DImode,
4018         DFmode, TImode or TFmode.
4019         (rs6000_legitimate_offset_address_p): Check TFmode offsets for
4020         E500 double.
4021         (legitimate_lo_sum_address_p): Also check for TFmode for E500
4022         double.
4023         (rs6000_legitimize_address): Also handle TFmode for E500 double.
4024         (rs6000_legitimize_reload_address): Also handle TFmode for E500
4025         double.
4026         (rs6000_legitimate_address): Also check for TFmode for E500
4027         double.
4028         (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
4029         (spe_build_register_parallel): Handle TFmode and TCmode.
4030         (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
4031         double.
4032         (function_arg): Handle TFmode and TCmode for E500 double.
4033         (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
4034         in general.
4035         (print_operand): Handle TFmode and TImode for %y.
4036         (rs6000_generate_compare): Handle TFmode comparisons for E500
4037         double.
4038         (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
4039         (rs6000_function_value): Handle TFmode and TCmode for E500 double.
4040         (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
4041         * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
4042         TFmode for E500 double.
4043         * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
4044         (floatsidf2): Enable for E500 double.
4045         (movtf_softfloat): Use rs6000_nonimmediate_operand.
4046         (extenddftf2): Change to extenddftf2_fprs.
4047         (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
4048         depending on TARGET_E500_DOUBLE.
4049         (extendsftf2): Enable for E500 double.
4050         (trunctfdf2): Enable for E500 double.
4051         (trunctfsf2): Change to trunctfsf2_fprs.
4052         (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
4053         depending on TARGET_E500_DOUBLE.
4054         (floatsitf2): Enable for E500 double.
4055         (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
4056         (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
4057         gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
4058         (negtf2): Change to negtf2_internal.
4059         (negtf2): New expander.
4060         (abstf2): Enable for E500 double.  Call gen_spe_abstf2_tst,
4061         gen_spe_abstf2_cmp or gen_abstf2_internal depending on
4062         TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
4063         (movdi_internal32): Use rs6000_nonimmediate_operand.
4064         (unnamed splitter): Likewise.
4065         * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
4066         TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
4067         (SPE64TF, DITI): New mode macros.
4068         (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
4069         modes.
4070         (frob_tf_ti): New.
4071         (frob_<mode>_di_2): New.
4072         (frob_tf_di_8_2): New.
4073         (frob_di_df): Change to frob_di_<mode>; allow more modes.
4074         (frob_ti_tf): New.
4075         (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
4076         more modes.
4077         (frob_ti_<mode>_8_2): New.
4078         (frob_ti_tf_2): New.
4079         (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
4080         mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
4081         TFmode.
4082         (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
4083         mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
4084         (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
4085         spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
4086         spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
4087         (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
4088         tsttflt_gp): New.
4089
4090 2007-01-23  Ian Lance Taylor  <iant@google.com>
4091
4092         * Makefile.in (OBJS-common): Reformat, alphabetize, but put
4093         insn-*.o first.
4094         (OBJS-archive): Reformat, alphabetize.
4095         (OBJS): Change out_object_file to OBJS-md.
4096
4097 2007-01-23  Uros Bizjak  <ubizjak@gmail.com>
4098
4099         * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
4100         JUMP_P and CALL_P predicates where applicable.
4101         * config/i386/i386.c: Ditto.
4102         * config/i386/i386.md: Ditto.
4103         * config/i386/mmx.md: Ditto.
4104         * config/i386/predicates.md: Ditto.
4105
4106 2007-01-22  Andreas Schwab  <schwab@suse.de>
4107
4108         * config/m68k/m68k.h: Fix comment.
4109
4110 2007-01-22  Jan Hubicka  <jh@suse.cz>
4111
4112         * passes.c (init_optimization_passes): Do not rerun
4113         pass_early_warn_uninitialized.
4114
4115 2007-01-22  Richard Guenther  <rguenther@suse.de>
4116
4117         PR tree-optimization/30038
4118         * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
4119         function.
4120         (execute_cse_sincos_1): Likewise.
4121         (execute_cse_sincos): Likewise.
4122         (gate_cse_sincos): Likewise.
4123         (pass_cse_sincos): New pass CSEing sin() and cos() calls using
4124         the cexpi() canonicalization of sincos().
4125         * tree-pass.h (pass_cse_sincos): Declare.
4126         * passes.c (init_optimization_passes): New pass pas_cse_sincos.
4127
4128 2007-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
4129
4130         PR rtl-optimization/29329
4131         * combine.c (replaced_rhs_insn): Rename to i2mod.
4132         (replaced_rhs_value): Rename to i2mod_new_rhs.
4133         (i2mod_old_rhs): New global variable.
4134         (combine_instructions): Adjust for above change.  Save a copy of
4135         the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
4136         note are substituted in the second instruction.
4137         (distribute_notes) <REG_DEAD>: Adjust for above change.  Do not
4138         ditch the note if it pertains to the second eliminated register
4139         and this register is mentioned in i2mod_old_rhs.
4140
4141         Revert:
4142         2006-09-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
4143
4144         * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
4145         the insn to which the note was originally attached.
4146
4147 2007-01-21  Jan Hubicka  <jh@suse.cz>
4148
4149         * ipa-inline.c (inlining_mode): Comment, move up.
4150         (cgraph_decide_inlining_incrementally): Do not perform inlining
4151         itself; fix handling of flattening of self recursive functions.
4152         (cgraph_find_cycles): Remove.
4153         (cgraph_flatten_node): Remove.
4154         (cgraph_decide_inlining): Use incremental inliner to handle flattening.
4155         (try_inline): New function.
4156         (cgraph_early_inlining): Update call of
4157         cgraph_decide_inlining_incrementally.  Apply inlining here.
4158         (apply_inline): Update call of cgraph_decide_inlining_incrementally.
4159
4160 2007-01-21  Dirk Mueller  <dmueller@suse.de>
4161
4162         PR bootstrap/30511
4163         * tree-vrp.c (check_array_bounds): do not warn
4164         about ADDR_EXPR's of ARRAY_REF's which are immediately
4165         used in binary expressions.
4166
4167 2007-01-21  Ira Rosen  <irar@il.ibm.com>
4168
4169         * tree-vectorizer.h (struct _stmt_vec_info): Add new field
4170         read_write_dep and macros for its access.
4171         * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
4172         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
4173         argument, call vect_check_interleaving for every independent pair of
4174         data-refs. Mark loads that access the same memory location as a store
4175         in the loop.
4176         (vect_check_dependences): Remove.
4177         (vect_analyze_data_ref_dependences): Remove  vect_check_dependences
4178         call, fix the call to vect_analyze_data_ref_dependence.
4179         (vect_analyze_data_ref_access): For statements that access the same
4180         data-ref, check that they are not stores; for loads, check that there
4181         is no store that access the same location.
4182
4183 2007-01-20  Roger Sayle  <roger@eyesopen.com>
4184             Joseph Myers  <joseph@codesourcery.com>
4185
4186         * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
4187         (-fdump-rtl-stack): Likewise.
4188         (-fno-signed-zeros): Use @minus{} for a minus sign.  Correct typo.
4189         (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
4190         (-mpt-fixed): Use @minus{} for minus sign.
4191         (Using Precompiled Headers): Fix under/overfull hbox.
4192
4193 2007-01-20  Jan Hubicka  <jh@suse.cz>
4194
4195         * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
4196         place within annotation.
4197
4198 2007-01-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4199
4200         * pa.c (output_move_double): Change array size of xoperands to 4.
4201
4202 2007-01-20  Jan Hubicka  <jh@suse.cz>
4203
4204         * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
4205         as temporary.
4206
4207 2007-01-19  Ian Lance Taylor  <iant@google.com>
4208
4209         * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
4210         constant to unsigned HOST_WIDE_INT before negating.
4211
4212 2007-01-19  Ian Lance Taylor  <iant@google.com>
4213
4214         * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
4215         to unsigned.
4216         (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
4217         (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
4218         (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
4219         (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
4220         (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
4221         (realloc_vdef, realloc_vuse): Change second parameter to
4222         unsigned.
4223         (ssa_operand_iterator_d): Change vuse_index and mayuse_index
4224         fields to unsigned.
4225         * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
4226         unsigned. Change x and lim locals to unsigned.
4227         (realloc_vdef, realloc_vuse): Change num_elem parameter to
4228         unsigned.
4229         (finalize_ssa_vuse_ops): Change old_i local to unsigned.
4230         (copy_virtual_operands): Change i and n locals to unsigned.
4231
4232 2007-01-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4233
4234         PR middle-end/29335
4235         * builtins.c (fold_builtin_1): Handle builtin fdim.
4236
4237 2007-01-20  Jan Hubicka  <jh@suse.cz>
4238
4239         * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
4240         * tree-ssa-structalias.c (compute_points_to_sets): Do call
4241         init_alias_heapvars.
4242         (init_alias_heapvars): Initialize only when not already initialized.
4243         (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
4244
4245 2007-01-19  Roger Sayle  <roger@eyesopen.com>
4246
4247         * common.opt (fsigned-zeros): New command line option.
4248         * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
4249         of flag_unsafe_math_optimizations.
4250         * opts.c (set_fast_math_flags): The -ffast-math command line option
4251         implies -fno-signed-zeros.
4252         (fast_math_flags_set_p): Likewise.
4253
4254         * doc/invoke.texi: Document new -fno-signed-zeros option, and update
4255         the documentation of -ffast-math appropriately.  Wrap long lines.
4256
4257 2007-01-19  Steve Ellcey  <sje@cup.hp.com>
4258
4259         * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
4260         * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
4261
4262 2007-01-19  Tomas Bily  <tbily@suse.cz>
4263
4264         * cgraphunit.c (cgraph_finalize_function): Updating of pid
4265         * tree-profile.c:
4266         (tree_init_ic_make_global_vars): New function
4267         (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
4268         (tree_gen_ic_profiler): New function
4269         (tree_gen_ic_func_profiler): New function
4270         (tree_profiling): Added calling of tree_gen_ic_func_profiler
4271         (tree_profile_hooks): Added hook for indirec/virtual calls
4272         * value-prof.c (tree_find_values_to_profile): New case for
4273         indirect calls
4274         (tree_values_to_profile): Call for determining indirect/virtual
4275         counters
4276         (tree_indirect_call_to_profile): New function
4277         (tree_ic_transform): New function
4278         (tree_ic): New function
4279         (find_func_by_pid): New function
4280         (init_pid_map): New function
4281         (tree_value_profile_transformations): Added check for
4282         indirect/virtual call transformation
4283         * value-prof.h (enum hist_type): New counter type for
4284         indirect/virtual calls
4285         (profile_hooks): Added new hook for profiling indirect/virtual
4286         calls
4287         * profile.c (instrument_values): New case for indirect/virtual
4288         call added
4289         * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
4290         (GCOV_COUNTER_V_INDIR): New counter type
4291         (GCOV_COUNTER_NAMES): New name of counter "indirect" added
4292         (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
4293         call added
4294         * cgraph.c: Definition of cgraph_max_pid
4295         (cgraph_create_node): Default init of pid attribute
4296         * cgraph.h: Declaration of cgraph_max_pid
4297         (struct cgraph_node): Added pid attribute
4298         * libgcov.c (__gcov_indirect_call_profiler): New function
4299         (__gcov_one_value_profiler_body): New function
4300         (__gcov_one_value_profiler): Body was moved to
4301         __gcov_one_value_profiler_body and calls it
4302
4303 2007-01-19  Basile Starynkevitch  <basile@starynkevitch.net>
4304
4305         * doc/gty.texi (Options): Document the mark_hook option to GTY.
4306         * gengtype.c (write_types_data, write_func_for_structure,
4307         write_types, ggc_wtd, pch_wtd): Add skip_hooks to
4308         write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
4309         (walk_type, write_func_for_structure): Generate the mark_hook if
4310         needed.
4311
4312 2007-01-19  Jan Hubicka  <jh@suse.cz>
4313
4314         * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
4315         'early' argument take inlining mode argument specifying whether to
4316         inline for size/speeed or all functions; add support for flattening;
4317         improve dumpting.
4318         (cgraph_early_inlining): Update call of decide_inlining_incrementally.
4319
4320 2007-01-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4321
4322         PR c++/17947
4323         * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
4324         the name of the declared identifier.
4325
4326 2007-01-19  Dirk Mueller  <dmueller@suse.de>
4327
4328         * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
4329         result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
4330         duplicate evaluation.
4331
4332 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
4333
4334         * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
4335         Macroize expander using X87MODEF12 mode macro.  Extend operand 1
4336         to XFMode, use acosxf2 and truncate result to requested mode.
4337         Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
4338         (asin<mode>2): Similarly, with asin expanders.
4339         (*fscalexf4_i387): Rename from *fscalexf4.
4340         (expNcorexf3): New expander.
4341         (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
4342         (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
4343         X87MODEF12 mode macro.  Extend operand 1 to XFMode, use expxf2 and
4344         truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
4345         patterns for SSE math.
4346         (exp10<mode>2): Similarly, with exp10 expanders.
4347         (exp2<mode>2): Similarly, with exp2 expanders.
4348         (expm1<mode>2): Similarly, with expm1 expanders.
4349         (ldexp<mode>3): Similarly, with ldexp expanders.
4350         (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
4351         Use gen_truncxf<mode>2_i387_noop to truncate result.
4352
4353 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
4354
4355         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
4356         for ColdFire targets.
4357
4358 2007-01-19  Nathan Sidwell  <nathan@codesourcery.com>
4359             Richard Sandiford  <richard@codesourcery.com>
4360
4361         * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
4362         (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
4363         (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
4364         * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
4365         (M68K_STATIC_CHAIN_REG_NAME): Likewise.
4366         * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
4367
4368 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
4369
4370         * config/m68k/m68k.md (adddi_dilshr32): Rename to...
4371         (*adddi_dilshr32): ...this.  Fix formatting.  Remove commented-out
4372         non-canonical pattern.  Restrict to !TARGET_COLDFIRE.
4373         (*adddi_dilshr32_cf): New pattern.
4374         (adddi3, subdi3): Remove first alternatives.
4375
4376 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
4377
4378         * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
4379         implemented using move.l, do not use its cc result for floating-point
4380         comparisons.
4381
4382 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
4383
4384         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
4385         from accepting 's' constraints if flag_pic.
4386
4387 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
4388
4389         * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
4390         (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
4391         (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
4392         condition from TARGET_68881 to TARGET_HARD_FLOAT.
4393
4394 2007-01-19  Sandra Loosemore  <sandra@codesourcery.com>
4395
4396         * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
4397         ColdFire alternatives.
4398         * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
4399         * config/m68k/m68k.md (clzsi2):  Define for ColdFire
4400         architectures that support ff1 instruction.
4401
4402 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
4403             Julian Brown  <julian@codesourcery.com>
4404
4405         * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
4406         * config/m68k/m68k.md (*movsi_cfv4): Fold into...
4407         (*movsi_cf): ...here.  Remove unnecessary 'R' from 'Rg'.
4408         Add commentary.
4409
4410 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
4411
4412         * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
4413         and return a bool.
4414         (output_move_const_into_data_reg, output_move_simode_const): Delete.
4415         * config/m68k/m68k.c (const_method, const_int_cost): Take a
4416         HOST_WIDE_INT instead of an rtx.
4417         (m68k_rtx_costs): Update call accordingly.
4418         (output_move_const_into_data_reg): Likewise.  Fix formatting.
4419         (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
4420         Return a bool.
4421         (output_move_simode_const): Update calls after above changes.
4422         Rework to use automatic variables and predicates like MEM_P.
4423         * config/m68k/m68k.md (pushexthisi_const): Update call to
4424         valid_mov3q_const.
4425
4426 2007-01-19  Dirk Mueller  <dmueller@suse.de>
4427
4428         * tree-ssa-alias.c (perform_var_substitution): Fix typo
4429         in dump_flags test.
4430
4431 2007-01-19  Richard Guenther  <rguenther@suse.de>
4432
4433         * builtins.c (expand_builtin_cexpi): Fall back to expanding
4434         via cexp in case sincos is not available.
4435
4436 2007-01-19  Richard Guenther  <rguenther@suse.de>
4437
4438         * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
4439         * defaults.h (TARGET_HAS_SINCOS): Default to off.
4440         * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
4441         * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
4442         * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
4443         * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
4444         * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
4445         * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
4446
4447 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
4448
4449         * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
4450         New insn patterns.
4451         (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
4452         (atan2xf3): Directly generate RTL pattern.
4453         (atan2<mode>3): Rename from atan2sf3 and atan2df3 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         (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
4458         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
4459         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
4460         disable patterns for SSE math.
4461
4462 2007-01-19  Alexandre Oliva  <aoliva@redhat.com>
4463
4464         * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
4465
4466 2007-01-18  Roger Sayle  <roger@eyesopen.com>
4467
4468         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
4469         VIEW_CONVERT_EXPR to the same type as it's operand.
4470
4471 2007-01-18  David Edelsohn  <edelsohn@gnu.org>
4472
4473         * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
4474         configured for long double 128.
4475
4476 2007-01-18  Mike Stump  <mrs@apple.com>
4477
4478         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
4479         error.
4480
4481 2007-01-18  Michael Meissner  <michael.meissner@amd.com>
4482
4483         * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
4484         type correct.
4485
4486 2007-01-18  Jan Hubicka  <jh@suse.cz>
4487
4488         * tree-ssa-operands.c (vop_free_bucket_size): Never return value
4489         greater than NUM_VOP_FREE_BUCKETS.
4490
4491 2007-01-18  Daniel Berlin  <dberlin@dberlin.org>
4492
4493         * tree-ssa-structalias.c: Update comments.
4494         (ptabitmap_obstack): Removed.
4495         (pta_obstack): New.
4496         (oldpta_obstack): Ditto.
4497         (stats): Add a few members.
4498         (struct variable_info): Remove node, complex, address_taken, and
4499         indirect_target members. Add oldsolution member.
4500         (new_var_info): Do not initialize removed members.
4501         (constraint_expr_type): Remove INCLUDES.
4502         (constraint_graph): Add size, implicit_preds, rep,
4503         indirect_cycles, eq_rep, label, direct_nodes, and complex members.
4504         (FIRST_REF_NODE): New macro.
4505         (LAST_REF_NODE): Ditto.
4506         (FIRST_ADDR_NODE): Ditto.
4507         (find): New function.
4508         (unite): Ditto.
4509         (dump_constraint): Do not handle INCLUDES.
4510         (insert_into_complex): Do not insert duplicate constraints.
4511         (condense_varmap_nodes): Renamed and rewritten into ...
4512         (merge_node_constraints): This. Also fix bug in handling of
4513         offseted copy constraints.
4514         (clear_edges_for_node): No longer need to deal with preds at all,
4515         or removing associated preds/succs.
4516         (merge_graph_nodes): Deal with indirect_cycles.
4517         Don't deal with predecessors.
4518         (add_implicit_graph_edge): New function.
4519         (add_pred_graph_edge): Ditto.
4520         (add_graph_edge): Don't deal with predecessors.
4521         (build_constraint_graph): Removed.
4522         (build_pred_graph): New function.
4523         (build_succ_graph): Ditto.
4524         (struct scc_info): Removed in_component. Added roots, dfs, and
4525         node_mapping. Remove visited_index, unification_queue.
4526         (scc_visit): Deal with union-find we do now.
4527         Deal with cycles with REF nodes.
4528         (collapse_nodes): Renamed and rewritten to ...
4529         (unify_nodes): This.
4530         (process_unification_queue): Removed.
4531         (topo_visit): Cleanup
4532         (do_da_constraint): Use find.
4533         (do_sd_constraint): Ditto.
4534         (do_ds_constraint): Ditto.
4535         (do_complex_constraint): Ditto.
4536         (init_scc_info): Update for removed and added members.
4537         (find_and_collapse_graph_cycles): Renamed and rewritten into ...
4538         (find_indirect_cycles): This.
4539         (equivalence_class): New variable.
4540         (label_visit): New function.
4541         (perform_variable_substitution): Rewritten.
4542         (free_var_substitution_info): New function.
4543         (find_equivalent_node): Ditto.
4544         (move_complex_constraints): Ditto.
4545         (eliminate_indirect_cycles): Ditto.
4546         (solve_graph): Only propagate changed bits.
4547         Use indirect cycle elimination.
4548         Use find.
4549         (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
4550         (tree_id_eq): Renamed to ...
4551         (tree_vi_eq): This. Update for member change
4552         (insert_id_for_tree): Renamed and rewritten to ...
4553         (insert_vi_for_tree): This.
4554         (lookup_id_for_tree): Renamed and rewritten to ...
4555         (lookup_vi_for_tree): This.
4556         (get_id_for_tree): Renamed and rewritten to ...
4557         (get_vi_for_tree): Ditto.
4558         (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
4559         (process_constraint): Don't handle INCLUDES.
4560         Remove special ADDRESSOF case.
4561         (find_func_aliases): Rewrite to use vi functions instead of id
4562         ones.
4563         (create_function_info_for): Ditto.
4564         (create_variable_info_for): Ditto.
4565         (intra_create_variable_infos): Ditto.
4566         (merge_smts_into): Ditto.
4567         (find_what_p_points_to): Ditto.
4568         (init_base_vars): Ditto.
4569         (init_alias_vars): Ditto.
4570         (remove_preds_and_fake_succs): New function.
4571         (dump_sa_points_to_info): Dump new stats.
4572         (dump_solution_for_var): Use find.
4573         (set_used_smts): Fix formatting.
4574         (compute_points_to_sets): Updated for new functions.
4575         (ipa_pta_execute): Ditto.
4576
4577 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
4578             Richard Sandiford  <richard@codesourcery.com>
4579
4580         * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
4581         parallels.
4582         * calls.c (expand_call): If the return value is a PARALLEL,
4583         extract its first member.
4584         * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
4585         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
4586         use FUNCTION_EXTRA_EPILOGUE.
4587         (m68k_function_value): Return a PARALLEL if the return value
4588         is of a pointer type.
4589         * config/m68k/netbsd-elf.h (current_function_returns_pointer)
4590         (FUNCTION_EXTRA_EPILOGUE): Remove.
4591         * config/m68k/m68k.md (D0_REG): New constant.
4592
4593 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
4594
4595         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
4596         output a NOP for empty epilogues.
4597
4598 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4599
4600         * config/m68k/m68k.c (m68k_use_return_insn): Update comments
4601         before function.  Extend register save check to include all
4602         registers, not just integer ones.
4603
4604 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
4605
4606         * config/m68k/m68k-protos.h (use_return_insn): Rename to...
4607         (m68k_use_return_insn): ...this.
4608         * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
4609         * config/m68k/m68k.c (use_return_insn): Rename to...
4610         (m68k_use_return_insn): ...this.
4611         * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
4612         of USE_RETURN_INSN.
4613
4614 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
4615
4616         * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
4617         nearest even, fix denormal rounding overflow.
4618
4619 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4620
4621         * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
4622         f%$smove and f%$move.
4623         (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
4624         (extendsfdf2_cf): Use fdmove instead of f%&move.
4625         (truncdfsf2_cf): Use fsmove instead of f%$smove.
4626         (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
4627
4628 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4629
4630         * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
4631         GPR<-GPR moves.
4632
4633 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4634
4635         * real.h (real_format): Add a canonical_nan_lsbs_set field.
4636         (coldfire_single_format): Declare.
4637         (coldfire_double_format): Likewise.
4638         * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
4639         of qnan_msb_set to determine the lower bits of a canonical
4640         NaN significand.
4641         (encode_ieee_double): Likewise.
4642         (encode_ieee_quad): Likewise.
4643         (ieee_single_format): Initialize canonical_nan_lsbs_set.
4644         (mips_single_format): Likewise.
4645         (ieee_double_format): Likewise.
4646         (mips_double_format): Likewise.
4647         (ieee_extended_motorola_format): Likewise.
4648         (ieee_extended_intel_96_format): Likewise.
4649         (ieee_extended_intel_128_format): Likewise.
4650         (ieee_extended_intel_96_round_53_format): Likewise.
4651         (ibm_extended_format): Likewise.
4652         (mips_extended_format): Likewise.
4653         (ieee_quad_format): Likewise.
4654         (mips_quad_format): Likewise.
4655         (vax_f_format): Likewise.
4656         (vax_d_format): Likewise.
4657         (vax_g_format): Likewise.
4658         (i370_single_format): Likewise.
4659         (i370_double_format): Likewise.
4660         (decimal_single_format): Likewise.
4661         (decimal_double_format): Likewise.
4662         (decimal_quad_format): Likewise.
4663         (c4x_single_format): Likewise.
4664         (c4x_extended_format): Likewise.
4665         (real_internal_format): Likewise.
4666         (coldfire_single_format): New real_format.
4667         (coldfire_double_format): Likewise.
4668         * config/pdp11/pdp11.c (pdp11_f_format): Initialize
4669         canonical_nan_lsbs_set.
4670         (pdp11_d_format): Likewise.
4671         * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
4672         if TARGET_COLDFIRE_CPU.
4673
4674 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4675
4676         * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
4677         (output_call, m68k_legitimize_call_address): Declare.
4678         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
4679         parenthesees.  Add support for a 'W' constraint.
4680         (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
4681         (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
4682         (m68k_symbolic_call, m68k_symbolic_jump): Declare.
4683         * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
4684         variables.
4685         (override_options): Initialize them.  Do not set flag_no_function_cse
4686         for TARGET_ID_SHARED_LIBRARY.
4687         (m68k_output_pic_call): Delete.
4688         (m68k_legitimize_call_address): New function.
4689         (print_operand): Remove the %o prefix.  Handle the %p prefix.
4690         (output_call): New function.
4691         (m68k_output_mi_thunk): Use m68k_symbolic_jump.  Always load the
4692         target address from the GOT if symbolic jumps are not allowed.
4693         * config/m68k/m68k.md (call, general_operand): Do not set
4694         SYMBOL_REF_FLAG.  Use m68k_legitimize_call_address instead.
4695         Merge separate flag_pic and !flag_pic define_insns into...
4696         (*call, *call_value): ...these new patterns.  Match the address
4697         rather than the containing MEM and require it to be a call_operand.
4698         Use output_call to generate the asm template.
4699         * config/m68k/predicates.md (const_call_operand): New predicate.
4700         (call_operand): Likewise.
4701
4702 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
4703
4704         * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
4705         (STACK_GROWS_DOWNWARD): Define to 1.
4706         (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
4707         comments, emphasizing that these values are only defaults.
4708         * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
4709         * config/m68k/m68k.c (const_method): Remove trailing whitespace.
4710
4711 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4712
4713         * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
4714
4715 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
4716             Richard Sandiford  <richard@codesourcery.com>
4717
4718         * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
4719         (FP_REGNO_P): New macros.
4720         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
4721         (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
4722         (EH_RETURN_STACKADJ_RTX): Use A0_REG.
4723         * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
4724
4725 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
4726
4727         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
4728         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
4729         to $tmake_file.
4730         * config/m68k/t-floatlib: New file, extracting common code from...
4731         * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
4732         * config/m68k/t-uclinux: Here.
4733         * config/m68k/fpgnulib.c: Do not compile extendeed precision
4734         routines on ColdFire targets.
4735
4736 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
4737
4738         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
4739         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
4740         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
4741         (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
4742         explicitly set MOTOROLA to 1.
4743         * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
4744
4745 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4746             Nathan Sidwell  <nathan@codesourcery.com>
4747
4748         * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
4749         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
4750         * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
4751         * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
4752         * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
4753         * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
4754         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
4755         (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
4756         (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
4757         * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
4758         * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
4759         (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
4760         (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
4761         (DBX_REGISTER_NUMBER): Delete.
4762         * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
4763         (PCC_STATIC_STRUCT_RETURN): Don't undefine.
4764         * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
4765
4766 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4767
4768         * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
4769         * config/flat.h: New file.
4770         * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
4771         OBJECT_FORMAT_FLAT.
4772         * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
4773         indirect references for -msep-data or -mid-shared-library.
4774         Do not use PC-relative code addresses either.
4775         * config/m68k/m68k.c (override_options): Restrict -fPIC error
4776         to -mpcrel.
4777         * config/m68k/uclinux.h (STARTFILE_SPEC): Define.  Use Scrt1.o
4778         for shared libraries and crt1.o for executables.  Use crti.o and
4779         crtbegin.o.
4780         (ENDFILE_SPEC): Use crtend.o and crtn.o.
4781         (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
4782         Do not add -elf2flt or -shared-lib-id options here.
4783         (LINK_SPEC): Define.  Pass -elf2flt if no -elf2flt option is given.
4784         Pass -shared-lib-id if -mid-shared-library, taking the library
4785         identifier from -mshared-library-id if given, otherwise
4786         defaulting to 0.
4787         (EH_FRAME_IN_DATA_SECTION): Do not undefine.
4788         (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
4789         (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
4790         and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
4791         (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
4792         * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
4793         and crtend.o.
4794         * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
4795         jump sequence for ISA A and ISA A+.
4796         (PICJUMP): Likewise.
4797
4798 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4799
4800         * config.gcc (m68k-*-uclinux*): Base the port on the common
4801         and m68k GNU/Linux files rather than on the generic ELF ones.
4802         * config/m68k/uclinux.h (TARGET_VERSION): Override.
4803         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
4804
4805 2007-01-18  Julian Brown  <julian@codesourcery.com>
4806             Richard Sandiford  <richard@codesourcery.com>
4807
4808         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
4809         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
4810         * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
4811         before redefining.
4812         * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
4813         80 unconditionally.
4814         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
4815
4816 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4817
4818         * doc/install.texi: Document m68k-uclinuxoldabi.
4819         * config.gcc (m68k-*-uclinuxoldabi): New configuration.
4820         * config/m68k/uclinux-oldabi.h: New file, copied from
4821         config/m68k/uclinux.h.
4822
4823 2007-01-18  Kaz Kojima  <kkojima@rr.iij4u.or.jp>
4824
4825         * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
4826         * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
4827         (m32r_compute_frame_size): Use unsigned for regno.
4828         (m32r_reload_lr): Use gen_frame_mem.
4829         (pop): New.
4830         (m32r_output_function_epilogue): Don't output the function epilogue
4831         textually here.
4832         (m32r_expand_epilogue): New.
4833         (direct_return): Return false if the function has the interrupt
4834         attribute.
4835         (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
4836         * config/m32r/m32r.md (epilogue): New expander.
4837         (return_lr, return_rte): New insns.
4838         (return): Make it expander.
4839         (return_normal): New expander.
4840
4841 2007-01-18  Josh Conner  <jconner@apple.com>
4842
4843         PR target/30485
4844         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
4845         support for UNLE, UNLT, UNGE, and UNGT.
4846
4847 2007-01-18  Jan Hubicka  <jh@suse.cz>
4848
4849         * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
4850         * tree-tailcall (add_virtual_phis): Likewise.
4851         (optimize_tail_call): Return TODOs.
4852         (execute_tail_calls): Return TODOs.
4853         * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
4854         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
4855         changed.
4856         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
4857         Cleanup cfg using TODO.
4858         * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
4859         * passes.c (execute_function_todo): When cleanup did something, remove
4860         unused locals.
4861         * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
4862         (make_edges): Don't cleanup_cfg.
4863
4864 2007-01-18  Uros Bizjak  <ubizjak@gmail.com>
4865
4866         * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
4867         UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
4868         operate on the top of stack.
4869         [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
4870         register handling of instructions that output to the second
4871         stack slot.
4872         [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
4873         (move_for_stack_reg): Special-case check for dead destination
4874         stack slot for constant load of 1.0 inside UNSPEC_TAN.
4875
4876         * config/i386/i386.md (UNSPEC_TAN): New constant.
4877         (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
4878         (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
4879         to correctly model move of constant 1.0 to top stack slot.
4880         (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
4881         (unnamed peephole2 pattern): Remove corresponding peephole2
4882         pattern that optimizes tan insn and loading of constant 1.0.
4883         (tanxf2): Use fptanxf4_i387.
4884         (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
4885         patterns using X87MODEF12 mode macro.  Use fptan_extend<mode>xf4_i387
4886         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
4887         disable patterns for SSE math.
4888         (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
4889         (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
4890
4891 2007-01-18  Dirk Mueller  <dmueller@suse.de>
4892             Richard Guenther <rguenther@suse.de>
4893
4894         PR diagnostic/8268
4895         * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
4896         * common.opt (Warray-bounds): Add new warning option.
4897         * c-opts.c (c_common_handle_option): Define -Warray-bounds
4898         if -Wall is given.
4899         * Makefile.in: make tree-vrp.o depend on toplev.h
4900         * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
4901         is enabled.
4902         (check_array_refs, check_array_bounds, check_array_ref): New.
4903
4904 2007-01-18  Jan Hubicka  <jh@suse.cz>
4905
4906         * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
4907         (execute_ssa_ccp): Return flags conditionally.
4908         * tree-ssa-propagate.c (substitue_and_fold): Return if something was
4909         changed.
4910         * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
4911
4912 2007-01-18  Steven Bosscher  <steven@gcc.gnu.org>
4913
4914         * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
4915         the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
4916
4917         * Makefile.c (GTFILES): Add cfglayout.h.
4918         * gengtype.c (open_base_files): Likewise.
4919         * cfglayout.c (cfg_layout_function_footer,
4920         cfg_layout_function_header) Reindent to make gengtype happy.
4921         * cfglayout.h (cfg_layout_function_footer,
4922         cfg_layout_function_header): Add GTY(()) marker.
4923
4924         * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
4925
4926 2007-01-18  Ben Elliston  <bje@au.ibm.com>
4927
4928         * genautomata.c (write_automata): Include xstrerror output in the
4929         error message if writing the DFA description file fails.
4930
4931 2007-01-17  H.J. Lu  <hongjiu.lu@intel.com>
4932
4933         * config/mips/mips-protos.h (mips_output_external): Make it
4934         return void.
4935         * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
4936         * config/mips/mips.c (irix_output_external_libcall): Likewise.
4937         (extern_list): Likewise.
4938         (extern_head): Likewise.
4939         (TARGET_ASM_FILE_END): Likewise.
4940         (mips_file_end): Likewise.
4941         (mips_output_external): Rewritten.
4942
4943 2007-01-18  Ben Elliston  <bje@au.ibm.com>
4944
4945         * genpreds.c (write_insn_preds_c): Only write out the function
4946         body for regclass_for_constraint if we have register constraints.
4947
4948 2007-01-17  Tom Tromey  <tromey@redhat.com>
4949
4950         * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
4951         * doc/install.texi (Testing): Use sourceware.org.
4952         (Binaries): Likewise.
4953         (Specific): Likewise.
4954         * doc/contrib.texi (Contributors): Use sourceware.org.
4955
4956 2007-01-17  Anatoly Sokolov <aesok@post.ru>
4957
4958         * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
4959         (AVR_ENHANCED): Rename to ...
4960         (AVR_HAVE_MUL): ... new.
4961         (avr_enhanced_p): Rename to ...
4962         (avr_have_mul_p): ... new.
4963         (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of
4964         'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
4965         * config/avr/avr.c (avr_enhanced_p): Rename to ...
4966         (avr_have_mul_p): ... new.
4967         (base_arch_s): Rename 'enhanced' to 'have_mul'.
4968         (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
4969         'avr_enhanced_p' and 'enhanced'.
4970         (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use
4971         AVR_HAVE_MUL instead of AVR_ENHANCED.
4972         * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
4973         (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3,
4974         *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL
4975         instead of AVR_ENHANCED.
4976         (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
4977         * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
4978         (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
4979
4980 2007-01-17  Ian Lance Taylor  <iant@google.com>
4981
4982         * vec.h (VEC_reserve_exact): Define.
4983         (vec_gc_p_reserve_exact): Declare.
4984         (vec_gc_o_reserve_exact): Declare.
4985         (vec_heap_p_reserve_exact): Declare.
4986         (vec_heap_o_reserve_exact): Declare.
4987         (VEC_OP (T,A,reserve_exact)): New static inline function, three
4988         versions.
4989         (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
4990         negative parameter.
4991         (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
4992         (VEC_OP (T,A,copy)) [all versions]: Likewise.
4993         (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
4994         * vec.c (calculate_allocation): Add exact parameter.  Change all
4995         callers.
4996         (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
4997         (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
4998         (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
4999         (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
5000         (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
5001         (vec_heap_p_reserve_exact): New function.
5002         (vec_heap_o_reserve_exact): New function.
5003
5004 2007-01-17  Jan Hubicka  <jh@suse.cz>
5005
5006         * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
5007
5008 2007-01-17  Eric Christopher  <echristo@apple.com>
5009
5010         * config.gcc: Support core2 processor.
5011
5012 2007-01-16  Jan Hubicka  <jh@suse.cz>
5013
5014         * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
5015         the names, just unlink the chain so we don't crash on dangling pointers
5016         to dead SSA names.
5017
5018 2007-01-16  Jan Hubicka  <jh@suse.cz>
5019
5020         * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
5021         * tree-pass.h: Reorder to make IPA passes appear toegher.
5022         (pass_early_inline, pass_inline_parameters, pass_apply_inline): Declare.
5023         * cgraphunit.c (cgraph_finalize_function): Do not compute inling
5024         parameters, do not call early inliner.
5025         * ipa-inline.c: Update comments.  Include tree-flow.h
5026         (cgraph_decide_inlining): Do not compute inlining parameters.
5027         (cgraph_decide_inlining_incrementally): Return TODOs; assume to
5028         be called with function context set up.
5029         (pass_ipa_inline): Remove unreachable functions before pass.
5030         (cgraph_early_inlining): Simplify assuming to be called from the
5031         PM as local pass.
5032         (pass_early_inline): New pass.
5033         (cgraph_gate_ipa_early_inlining): New gate.
5034         (pass_ipa_early_inline): Turn into simple wrapper.
5035         (compute_inline_parameters): New function.
5036         (gate_inline_passes): New gate.
5037         (pass_inline_parameters): New pass.
5038         (apply_inline): Move here from tree-optimize.c
5039         (pass_apply_inline): New pass.
5040         * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
5041         transforming.
5042         * tree-inline.c (optimize_inline_calls): Return TODOs rather than
5043         doing them by hand.
5044         (tree_function_versioning): Do not allocate dummy struct function.
5045         * tree-inline.h (optimize_inline_calls): Update prototype.
5046         * tree-optimize.c (execute_fixup_cfg): Export.
5047         (pass_fixup_cfg): Remove
5048         (tree_rest_of_compilation): Do not apply inlines.
5049         * tree-flow.h (execute_fixup_cfg): Declare.
5050         * Makefile.in (gt-passes.c): New.
5051         * passes.c: Include gt-passes.h
5052         (init_optimization_passes): New passes.
5053         (nnodes, order): New static vars.
5054         (do_per_function_toporder): New function.
5055         (execute_one_pass): Dump current pass here.
5056         (execute_ipa_pass_list): Don't dump current pass here.
5057
5058 2007-01-16  Janis Johnson  <janis187@us.ibm.com>
5059
5060         * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
5061         (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
5062
5063 2007-01-16  David Edelsohn  <edelsohn@gnu.org>
5064
5065         * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
5066         (strong_alias): Define.
5067         (__gcc_qmul): Provide non-FMA for soft-float.
5068         (__gcc_qdiv): Same.
5069         (__gcc_qneg): New.
5070         (__gcc_qeq): New.
5071         (__gcc_qle): New.
5072         (__gcc_qge): New.
5073         (__gcc_qunord): New.
5074         (__gcc_stoq): New.
5075         (__gcc_dtoq): New.
5076         (__gcc_qtos): New.
5077         (__gcc_qtod): New.
5078         (__gcc_qtoi): New.
5079         (__gcc_qtou): New.
5080         (__gcc_itoq): New.
5081         (__gcc_utoq): New.
5082         (fmsub): New.
5083         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
5084         soft-float functions.
5085         * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
5086         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
5087         about long double soft float.
5088
5089 2007-01-16  Dorit Nuzman  <dorit@il.ibm.com>
5090             Tehila Meyzels  <tehila@il.ibm.com>
5091
5092         * tree-vectorizer.h (is_pattern_stmt_p): New.
5093         * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
5094         formatting (tabs instead of spaces). Cleanup and clarify setting
5095         of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
5096         * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
5097         (vectorizable_type_demotion): Check that types are integral.
5098         (vectorizable_type_promotion): Likewise.
5099         (vectorizable_store): Fix typo.  Eliminate new-line at end of
5100         comments.
5101
5102 2007-01-16  Jan Hubicka  <jh@suse.cz>
5103
5104         * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
5105         cgraph edges too.
5106
5107 2007-01-15  Eric Christopher  <echristo@apple.com>
5108
5109         * ifcvt.c: Include vec.h, vecprim.h.
5110         (check_cond_move_block): New argument regs.
5111         Reorganize. Add registers used to regs.
5112         (cond_move_process_if_block): Use regs set above as
5113         loop bounds.
5114
5115 2007-01-15  Eric Christopher  <echristo@apple.com>
5116
5117         * config/darwin.h: Update copyright.
5118         (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
5119         (LINK_COMMAND_SPEC): Add -u.
5120         (LINK_SPEC): Fix umbrella for above.
5121
5122 2007-01-15  Joseph S. Myers  <joseph@codesourcery.com>
5123
5124         * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
5125         glibc CVS.
5126
5127 2007-01-15  Tom Tromey  <tromey@redhat.com>
5128
5129         * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
5130         * doc/install.texi (Testing): Don't mention jacks.
5131         (Configuration): Document --enable-java-maintainer-mode.  Move
5132         --with-java-home to libgcj-specific section.  Document
5133         --with-ecj-jar.
5134         (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
5135
5136 2007-01-15  Jan Hubicka  <jh@suse.cz>
5137
5138         * tree-ssa-dce.c (DCE_TODOs): New.
5139         (propagate_necessity): Return if something changed.
5140         (eliminate_unnecessary_stmts): Likewise.
5141         (perform_tree_ssa_dce): Return TODO flags when needed.
5142         (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
5143
5144 2007-01-15  Uros Bizjak  <ubizjak@gmail.com>
5145
5146         * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
5147         (fyl2x_extend<mode>xf3_i387): New insn pattern.
5148         (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
5149         patterns using X87MODEF12 mode macro.  Extend operand 1
5150         to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
5151         (log10<mode>2): Ditto.
5152         (log2<mode>2): Ditto.
5153         (log1p<mode>2): Ditto.
5154         (logb<mode>2): Ditto.
5155         (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
5156         (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
5157         (*fxtractxf3_i387): Rename from *fxtractxf3.
5158         (fxtract_extend<mode>xf3_i387): New insn pattern.
5159         (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
5160         * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
5161         and gen_fyl2xxf3_i387().
5162
5163 2007-01-14  Zdenek Dvorak <dvorakz@suse.cz>
5164
5165         * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
5166         * cfgloopmanip.c (fix_loop_placement): Made static.  Use
5167         get_loop_exit_edges.  Changed return type to bool.
5168         * cfgloop.h (fix_loop_placement): Declaration removed.
5169
5170 2007-01-14  Dorit Nuzman  <dorit@il.ibm.com>
5171
5172         * param.h (MIN_VECT_LOOP_BOUND): New.
5173         * params.def (MIN_VECT_LOOP_BOUND): New.
5174         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
5175         argument - minimum threshold for number of iterations.
5176         * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
5177         argument to declaration.
5178         * tree-vect-analyze.c (vect_analyze_operations): Check value of
5179         MIN_VECT_LOOP_BOUND.
5180         * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
5181         slpeel_tree_peel_loop_to_edge with additional argument.
5182         (vect_do_peeling_for_alignment): Likewise.
5183         * doc/invoke.texi (min-vect-loop-bound): Document new param option.
5184
5185 2007-01-14  Uros Bizjak  <ubizjak@gmail.com>
5186
5187         PR target/30413
5188         * config/i386/i386.c (print_operand) ['z']: Output 'b' for
5189         operands of size 1.
5190
5191 2007-01-14  Jan Hubicka  <jh@suse.cz>
5192
5193         * tree-dfa.c (remove_referenced_var): New function.
5194         * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
5195         prune referenced vars list too.
5196         * tree-flow.h (remove_referenced_var): Declare.
5197
5198 2007-01-14  Jan Hubicka  <jh@suse.cz>
5199
5200         * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
5201         separately.
5202         (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
5203         (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
5204         * except.h (verify_eh_throw_table_statements): Kill prototype.
5205         * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
5206         into call exrepssions.
5207         * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
5208         eh trhow verifier.
5209         * tree-cfg.c: Include pointer-set.h.
5210         (verify_node_sharing): Work on pointer set.
5211         (verify_eh_throw_stmt_node): New.
5212         (verify_stmts): Use pointers sets, verify throw_stmt.
5213
5214 2007-01-13  Zdenek Dvorak <dvorakz@suse.cz>
5215
5216         * ipa-reference.c (analyze_function): Consider also addresses taken
5217         in phi nodes.
5218
5219 2007-01-12  Roger Sayle  <roger@eyesopen.com>
5220
5221         * c-typeck.c (null_pointer_constant_p): Replace use of
5222         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
5223         (build_c_cast): Likewise.
5224
5225 2007-01-12  Roger Sayle  <roger@eyesopen.com>
5226
5227         * tree.h (force_fit_type_double): Remove unused final argument.
5228         * c-common.c (constant_expression_warning): Replace use of
5229         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
5230         (convert_and_check): Likewise.
5231         (shorten_compare): Update call to force_fit_type_double.
5232         (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
5233         * convert.c (convert_to_pointer): Update call to
5234         force_fit_type_double.
5235         * fold-const.c (force_fit_type_double): Remove overflowed_const
5236         argument.
5237         (int_const_binop, fold_convert_const_int_from_int,
5238         fold_convert_const_int_from_real, fold_div_compare,
5239         fold_sign_changed_comparison, fold_unary, fold_negate_const,
5240         fold_abs_const, fold_not_const): Remove the final argument from
5241         calls to force_fit_type_double.
5242
5243 2007-01-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5244
5245         * configure.ac: Set insn to "nop" for spu-*-* also.
5246         * configure: Regenerate.
5247
5248 2007-01-12  Olga Golovanevsky  <olga@il.ibm.com>
5249
5250         * builtins.def : Add BUILT_IN_FREE.
5251
5252 2007-01-12  Jan Hubicka  <jh@suse.cz>
5253
5254         PR tree-optimization/30443
5255         * tree-inline.c (tree_function_versioning): Do not optimize when
5256         cloning for inlining.
5257
5258 2007-01-12  Zdenek Dvorak <dvorakz@suse.cz>
5259
5260         * doc/loop.texi: Document recording of loop exits.
5261         * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
5262         (update_single_exits_after_duplication,
5263         update_single_exit_for_duplicated_loop,
5264         update_single_exit_for_duplicated_loops): Removed.
5265         (duplicate_loop_to_header_edge): Do not call
5266         update_single_exits_after_duplication and
5267         update_single_exit_for_duplicated_loops.
5268         (loop_version): Do not update single_exit information.
5269         (fix_loop_structure): Use record_loop_exits instead of
5270         mark_single_exit_loops.
5271         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
5272         the lists of loop exits.
5273         * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
5274         split_edge, merge_blocks): Update the lists of loop exits.
5275         * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
5276         loop_optimizer_init.
5277         * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
5278         of mark_single_exit_loops.
5279         (loop_optimizer_finalize): Call release_recorded_exits.
5280         * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
5281         LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
5282         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
5283         update single exit information.
5284         * lambda-code.c (perfect_nestify): Ditto.
5285         * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
5286         (mark_single_exit_loops): Removed.
5287         (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
5288         get_exit_descriptions, rescan_loop_exit, record_loop_exits,
5289         dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
5290         functions.
5291         (get_loop_exit_edges, single_exit): Use recorded exit lists.
5292         (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
5293         (verify_loop_structure): Verify consistency of the exit lists.
5294         (flow_loops_find): Use alloc_loop.  Initialize exits hash.
5295         (set_single_exit): Removed.
5296         * cfgloop.h (struct loop_exit): New function.
5297         (struct loop): single_exit_ field replaced by exits field.
5298         (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
5299         (struct loops): Added exits hash.
5300         (mark_single_exit_loops, set_single_exit): Declaration removed.
5301         (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
5302
5303 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
5304
5305         * doc/invoke.texi: Avoid use of @headitem.
5306
5307 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
5308
5309         * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
5310
5311 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
5312
5313         * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
5314         list of targets.
5315
5316 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
5317             Richard Sandiford  <richard@codesourcery.com>
5318
5319         * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
5320         * config/m68k/m68k.opt: Resort options.
5321         (mbitfield, mrtd, mshort): Remove RejectNegative properties.
5322
5323 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
5324             Richard Sandiford  <richard@codesourcery.com>
5325
5326         * doc/invoke.texi: Document the macros that are defined by
5327         m68k's -mtune and -mhard-float options.
5328         * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
5329         (m68k_cpp_cpu_family): Likewise.
5330         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
5331         of __ucfv*__ macros.  Define __mcffpu__ if generating code for
5332         ColdFire FPUs.  Define __mcf_cpu_* and __mcf_family_* macros.
5333         * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
5334         (m68k_cpp_cpu_family): Likewise.
5335
5336 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
5337
5338         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
5339         macros besides mc68000 as tuning macros.  Use a switch statement
5340         to set them and mcpu32.
5341
5342 2007-01-12  Julian Brown  <julian@codesourcery.com>
5343
5344         * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
5345         (TARGET_68040_ONLY): Rename to...
5346         (TARGET_68040): ...this.
5347         * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
5348         * config/m68k/m68k.md: Likewise.
5349
5350 2007-01-12  Julian Brown  <julian@codesourcery.com>
5351             Nathan Sidwell  <nathan@codesourcery.com>
5352             Richard Sandiford  <richard@codesourcery.com>
5353
5354         * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
5355         the -mcpu= argument associated with the --with-cpu setting.
5356         Define M68K_DEFAULT_TUNE to the default -mtune= option,
5357         if different from the one implied by the -mcpu setting.
5358         Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
5359         using mcpu=FOO as the default CPU option.  Set target_cpu_default2.
5360         * doc/invoke.texi: Mention ColdFire in the introduction to the
5361         m68k options.  Document the new -march, -mcpu, -mtune, -mdiv,
5362         -mno-div and -mhard-float options.  Make -m68881 a synonym for
5363         -mhard-float.  Document the previously-undocumented -m5206e,
5364         -m528x, -m5307 and -m5407 options.  Tweak the existing option
5365         documentation for consistency.
5366         * doc/install.texi: Mention new --with-cpu arguments.
5367         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
5368         default CPU if neither -mcpu nor -march are specified.
5369         (ASM_CPU_SPEC): Pass down -mcpu and -march options.
5370         (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
5371         TARGET_ISA*.  Set the legacy __mcf*__ cpu macros in the same way,
5372         using m68k_tune to decide between families that implement the
5373         same ISA.  Use m68k_tune to set __mcfv4e__.
5374         (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
5375         (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
5376         (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
5377         (FL_ISA_C, FL_ISA_MMU): New macros.
5378         (MASK_COLDFIRE): Delete.
5379         (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
5380         (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
5381         (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
5382         (TARGET_HARD_FLOAT): Do not define here.
5383         (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
5384         (TUNE_68000): New macro.
5385         (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
5386         (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
5387         (TUNE_CFV2): Redefine in terms of m68k_tune.
5388         (uarch_type, target_device, fpu_type): New enums.
5389         (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
5390         * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
5391         (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
5392         (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
5393         (FL_FOR_isa_c): New macros.
5394         (m68k_isa): New enum.
5395         (m68k_target_selection): New structure.
5396         (all_devices, all_isas, all_microarchs): New tables.
5397         (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
5398         (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
5399         (MASK_ALL_CPU_BITS): Delete.
5400         (m68k_find_selection): New function.
5401         (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
5402         Map the legacy target options to a combination of the new ones.
5403         (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
5404         m68k_cpu_flags.  Handle M68K_DEFAULT_TUNE.  Use m68k_cpu_flags
5405         to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
5406         settings.
5407         * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
5408         (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
5409         properties.
5410         (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
5411         (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
5412         * config/m68k/m68k-devices.def: New file.
5413
5414 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
5415             Nathan Sidwell  <nathan@codesourcery.com>
5416
5417         * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
5418         (SUBTARGET_EXTRA_SPECS): New macros.
5419         * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
5420         use %(asm_cpu_spec) instead.
5421         * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
5422         * config/m68k/openbsd.h (ASM_SPEC): Likewise.
5423         * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
5424         (EXTRA_SPECS): Rename to...
5425         (SUBTARGET_EXTRA_SPECS): ...this.
5426
5427 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
5428             Richard Sandiford  <richard@codesourcery.com>
5429             Julian Brown  <julian@codesourcery.com>
5430
5431         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
5432         (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
5433         to the configuration's default CPU.
5434         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
5435         Remove default masks.
5436         (m680[012]0-*-*): Set the default with_cpu to the first part of
5437         the target name.
5438         (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
5439         (m68k*-*-linux): Extend the --with-cpu handling to...
5440         (m680[012]0-*-*, m68k*-*-*): ...these configurations.  Allow m68000
5441         and m68010.  Don't set target_cpu_default2.
5442         * doc/install.texi: Document --with-cpu for m68k.
5443         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
5444         * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
5445         (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
5446         (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
5447         (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
5448         (ASM_SPEC): Remove use of %(asm_cpu_default).
5449         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
5450         * config/m68k/linux.h (TARGET_DEFAULT): Delete.
5451         (CPP_SPEC): Merge definitions.  Do not handle __HAVE_68881__ here.
5452         * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
5453         __HAVE_FPU__ if TARGET_HARD_FLOAT.
5454         (TARGET_DEFAULT): Delete.
5455         (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
5456         cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
5457         (CPP_CPU_SPEC): Delete.
5458         (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
5459         the appropriate string.
5460         (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
5461         (CPP_SPEC): Define to NETBSD_CPP_SPEC.
5462         (ASM_SPEC): Don't use %(asm_default_spec).
5463         * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
5464         TARGET_DEFAULT and add MASK_68881.
5465         * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
5466
5467 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
5468
5469         * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
5470         (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
5471         MASK_68010 alongside MASK_68020.
5472         * doc/invoke.texi: Document -m68010.
5473         * config/m68k/m68k.opt (m68010): New.
5474         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
5475         if TUNE_68010.
5476         (TUNE_68010): New macro.
5477         * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
5478         (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
5479         (M68K_CPU_m68332): Add MASK_68010.
5480         * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
5481         fallback definition.
5482         * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
5483         defines.
5484         * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
5485         (m68k_handle_option): Handle OPT_m68010.  Add MASK_68010
5486         to all entries that use MASK_68020.
5487         (output_move_simode_const, output_move_himode, output_move_qimode)
5488         (output_move_stricthi, output_move_strictqi): Use TARGET_68010
5489         instead of TARGET_68020 to select clr behavior.  Remove comment
5490         about there being no TARGET_68010.
5491         * config/m68k/m68k.md: Likewise throughout.
5492
5493 2007-01-12  Julian Brown  <julian@codesourcery.com>
5494
5495         * config/m68k/m68k.h (TARGET_ISAB): New macro.
5496         * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
5497         * config/m68k/m68k.md: Likewise.
5498
5499 2007-01-12  Julian Brown  <julian@codesourcery.com>
5500
5501         * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
5502         TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
5503
5504 2007-01-12  Julian Brown  <julian@codesourcery.com>
5505
5506         * config/m68k/m68k.h (TUNE_68040_60): New macro.
5507         * config/m68k/m68k.c (standard_68881_constant_p): Use it.
5508         * config/m68k/m68k.md: Likewise.
5509
5510 2007-01-12  Julian Brown  <julian@codesourcery.com>
5511             Richard Sandiford  <richard@codesourcery.com>
5512
5513         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
5514         instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
5515         TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
5516         TARGET_CPU32.
5517         (TARGET_CPU32): Rename to...
5518         (TUNE_CPU32): ...this.
5519         (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
5520         (TUNE_CFV2): New macros.
5521         * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
5522         remove conditions that are implied by TARGET_68020.
5523         * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
5524         instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
5525         (m68k_output_function_epilogue): Likewise.
5526         (m68k_rtx_costs): Likewise.  Use TUNE_68060 instead of TARGET_68060
5527         and TUNE_CFV2 instead of TARGET_5200.  Use TUNE_68000_10 instead of
5528         "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
5529         non-68000 timings.  Refactor multiplication and division costs.
5530         (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
5531         TUNE_CPU32 instead of TARGET_CPU32.
5532         (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
5533         and TUNE_68060 instead of TARGET_68060.
5534         * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
5535         TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
5536         TARGET_CPU32.
5537         (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
5538         && !TARGET_COLDFIRE" to choose between moveq and clr.
5539         Likewise in the unnamed movsf pattern.
5540         (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
5541         "!TARGET_68020 && !TARGET_COLDFIRE".  Likewise the unnamed
5542         ashiftrt pattern.
5543
5544 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
5545
5546         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
5547         of tabbing before backslashes.
5548
5549 2007-01-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5550
5551         * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
5552         * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
5553         (ASM_OUTPUT_INTERNAL_LABEL): Define.
5554
5555 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
5556
5557         * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
5558         find_interesting_uses_cond.
5559         (find_interesting_uses_cond): Use extract_cond_operands.
5560         (rewrite_use_compare): Use extract_cond_operands and
5561         force_gimple_operand_bsi.  Do not call update_stmt.
5562         (determine_use_iv_cost_condition): Use extract_cond_operands.
5563         Return cheaper of using original bound and changing the exit bound.
5564
5565 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
5566
5567         PR tree-optimization/29516
5568         * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
5569         most_expensive_mult_to_index, addr_to_parts,
5570         create_mem_ref, maybe_fold_tmr): Make the type of
5571         fields of TARGET_MEM_REF sizetype.
5572         (move_fixed_address_to_symbol, move_pointer_to_base):
5573         New functions.
5574         * tree.def (TARGET_MEM_REF): Add comment on types of
5575         the operands.
5576
5577 2007-01-11  Joseph Myers  <joseph@codesourcery.com>
5578
5579         * c-common.c (vector_types_convertible_p): Treat opaque types as
5580         always convertible if they have the same size, but not otherwise.
5581
5582 2007-01-11  Steven Bosscher  <steven@gcc.gnu.org>
5583
5584         * ifcvt.c (struct noce_if_info): Add comments to the fields.
5585         Remove the b_unconditional field.
5586         (noce_try_sign_mask): Do not look at b_unconditional.
5587         (noce_process_if_block): Do not use merge_if_blocks.  Update
5588         the CFG here.  Do not set b_unconditional.
5589         (cond_move_process_if_block): Likewise.
5590         (find_cond_trap): Likewise.
5591         (check_cond_move_block): Require simple jump insns at the end
5592         of the basic block.
5593
5594 2007-01-11  Jan Hubicka  <jh@suse.cz>
5595
5596         PR tree-optimization/1046
5597         * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
5598         when alias info is not ready.
5599         (pass_tail_recursion): Do not require aliasing.
5600         * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
5601         * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
5602         * tree-ssa-copy.c (pass_copy_prop): Likewise.
5603         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
5604         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
5605         * passes.c (init_optimization_passes): Execute rename_ssa_copies,
5606         ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
5607         before inlining.
5608         * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
5609         When aliasing is not build, mark statement as volatile.
5610
5611 2007-01-11  Tom Tromey  <tromey@redhat.com>
5612
5613         PR preprocessor/15185, PR preprocessor/20989:
5614         * doc/cppopts.texi <-MT>: Update description of algorithm for
5615         computing default target.
5616         <-M, -MD>: Reword "basename" text.
5617
5618 2007-01-11  Roger Sayle  <roger@eyesopen.com>
5619
5620         * builtins.c (expand_builtin_pow, expand_builtin_powi,
5621         fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
5622         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
5623         fold_builtin_int_int_roundingfn, fold_builtin_bitop,
5624         fold_builtin_bswap, real_constp, fold_builtin_pow,
5625         fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
5626         do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
5627         uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
5628         * convert.c (convert_to_pointer): Likewise.
5629         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
5630         * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
5631         const_binop, fold_convert_const_int_from_int,
5632         fold_convert_const_int_from_real,
5633         fold_convert_const_real_from_real, sign_bit_p,
5634         optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
5635         fold_sign_changed_comparison, fold_unary, fold_comparison,
5636         fold_binary, multiple_of_p, tree_Expr_non_zero_p,
5637         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
5638         * print-tree.c (print_node_brief, print_node): Likewise.
5639         * stor-layout.c (place_field, layout_type): Likewise.
5640         * tree-chrec.c (keep_cast): Likewise.
5641         * tree.c (build_vector, build_real, build_real_from_int_cst,
5642         build_complex): Likewise.
5643
5644 2007-01-11  Roger Sayle  <roger@eyesopen.com>
5645
5646         * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete.  For the time being,
5647         treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
5648
5649 2007-01-11  Paolo Bonzini  <bonzini@gnu.org>
5650
5651         * configure.ac (strict1_warn): Rename to strict_warn.
5652         (WERROR, --enable-werror, symlink hacks, stage1_cflags,
5653         cc_set_by_configure, quoted_cc_set_by_configure,
5654         stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
5655         all_boot_languages, all_stagestuff): Remove.
5656         (target_list): Remove bootstrap targets.
5657         * Makefile.in (quickstrap): Unconditionally make a synonym of all.
5658         (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
5659         REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
5660         SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
5661         VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
5662         STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
5663         stage1_copy, stage2_build, stage2_copy, stageprofile_build,
5664         stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
5665         stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
5666         bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
5667         bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
5668         unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
5669         restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
5670         cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
5671         *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
5672         stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
5673         stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
5674         risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
5675         (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
5676         (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
5677         (mostlyclean): Adjust.
5678         (clean, distclean): Don't mention bootstrap stuff.
5679         * configure: Regenerate.
5680         * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
5681         java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
5682         treelang/config-lang.in (stagestuff): Remove.
5683         * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
5684         stageprofile, stagefeedback, stagestuff): Remove mention.
5685
5686 2007-01-11  Nick Clifton  <nickc@redhat.com>
5687
5688         * config/mcore/predicates.md (mcore_general_movesrc_operand):
5689         Accept CONSTs.
5690         (mcore_general_movdst_operand): Do not accept CONST_INTs.
5691         (mcore_arith_K_S_operand): Run the test for the S constraint not
5692         the test for the M constraint.
5693         (mcore_addsub_operand): Do not accept integer values that are
5694         larger than 32 bits.
5695         * config/mcore/mcore.md: Remove unused constraints from split.
5696         (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
5697         (addsi3): Likewise.
5698         (allocate_stack): Likewise.
5699         * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
5700         operands to 32 bits.
5701         (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
5702         INTVAL.
5703         (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
5704         mcore_const_ok_for_inline, mcore_const_trick_uses_not,
5705         try_constant_tricks, mcore_num_ones, mcore_num_zeros,
5706         mcore_output_bclri, mcore_output_andn, output_inline_const,
5707         mcore_output_move, mcore_output_movedouble): Likewise.
5708         (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
5709         (output_inline_const): Likewise.
5710         (output_inline_const): Fix format strings used in sprintf
5711         statements.
5712         * config/mcore/mcore-protos.h: Update prototypes for changed
5713         functions in mcore.c.
5714         * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
5715         HOST_WIDE_INT and not int.
5716         (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
5717         CONST_OK_FOR_N): Likewise.
5718         (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
5719         (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
5720         an INTVAL.
5721
5722 2007-01-10  Jan Hubicka  <jh@suse.cz>
5723
5724         * tree-vrp.c (remove_range_assertions): Release defs.
5725         * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
5726         * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
5727
5728 2007-01-10  Paul Brook  <paul@codesourcery.com>
5729
5730         * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
5731         * config/arm/arm.md (mulsi3subsi): New insn.
5732
5733 2007-01-10  Zdenek Dvorak <dvorakz@suse.cz>
5734
5735         * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
5736         (tree_transform_and_unroll_loop): New.
5737         * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
5738         Declare.
5739
5740 2007-01-10  Robert Kennedy <jimbob@google.com>
5741
5742         * fold-const.c (fold_comparison): Fold comparisons like (x *
5743         1000 < 0) to (x < 0).
5744
5745 2007-01-10  Ian Lance Taylor  <iant@google.com>
5746
5747         * tree-pretty-print.c (dump_generic_node): Print parentheses when
5748         operands have the same priority.
5749
5750 2007-01-10  Tom Tromey  <tromey@redhat.com>
5751
5752         * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
5753         (fold_binary): Likewise.
5754         * langhooks.c (lhd_can_use_bit_fields_p): Removed.
5755         * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
5756         (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
5757         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
5758         * langhooks.h (struct lang_hooks): Removed field
5759         'can_use_bit_fields_p'.
5760
5761 2007-01-10  Ralf Corsépius <ralf.corsepius@rtems.org>
5762
5763         * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
5764
5765 2007-01-10  Razya Ladelsky  <razya@il.ibm.com>
5766
5767         * function.c (get_last_funcdef_no): New function.
5768         * function.h (get_last_funcdef_no): Declare.
5769         * tree-inline.c (initialize_cfun): Add initialization.
5770         (tree_function_versioning): Cleanup.
5771
5772 2007-01-10  Jan Hubicka  <jh@suse.cz>
5773
5774         * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
5775         PHIs.
5776
5777 2007-01-10  Sa Liu  <saliu@de.ibm.com>
5778             Ben Elliston  <bje@au.ibm.com>
5779
5780         * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
5781         for SAVE_NONLOCAL and Pmode for any other save level.
5782         * spu-protos.h (spu_restore_stack_block): Declare.
5783         * spu.md (save_stack_block): Remove.
5784         (restore_stack_block): Call spu_restore_stack_block.
5785         * spu.c (spu_restore_stack_block): New function.
5786         (spu_expand_epilogue): Remove old comment.
5787
5788 2007-01-09  Zdenek Dvorak <dvorakz@suse.cz>
5789
5790         PR tree-optimization/30322
5791         * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
5792         (cand_value_at): Return the value as aff_tree.
5793         (may_eliminate_iv): Convert the bound from aff_tree to tree.
5794         * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
5795         aff_combination_mult): New functions.
5796         (aff_combination_add): Use aff_combination_add_cst.
5797         (aff_combination_convert): Allow conversions to a wider type.
5798         (tree_to_aff_combination): Handle BIT_NOT_EXPR.
5799         * tree-affine.h (aff_combination_mult): Declare.
5800
5801 2007-01-09  Carlos O'Donell  <carlos@codesourcery.com>
5802
5803         * doc/tm.texi: Update documentation to reflect reality of exec
5804         and start file search behaviours. Update copyright year.
5805         * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
5806         header file directories.
5807
5808 2007-01-09  Uros Bizjak  <ubizjak@gmail.com>
5809
5810         * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
5811         (*cosxf2): Rename to cosxf2_i387.
5812         (*sindf2, *sinsf2): Extend operand 1 to XFmode.  Macroize patterns
5813         using X87MODEF12 mode macro. Rename patterns to
5814         *sin_extend<mode>xf2_i387.  Use SSE_FLOAT_MODE_P to disable patterns
5815         for SSE math.
5816         (*cosdf2, *cossf2): Ditto.
5817         (sincosdf3, sincossf3): Ditto.  Rewrite corresponding splitters
5818         to match extended input operands.
5819         (sincos<mode>3): New expander.
5820         (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
5821         insn patterns and corresponding splitters.
5822
5823 2007-01-09  Kaz Kojima  <kkojima@gcc.gnu.org>
5824
5825         * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
5826         (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
5827
5828 2007-01-09  Nicolas Pitre  <nico@cam.org>
5829
5830         PR target/30173
5831         * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
5832
5833 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
5834
5835         * target.h (struct gcc_target): New field library_rtti_comdat.
5836         * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
5837         (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
5838         * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
5839         * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
5840
5841 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
5842
5843         * doc/invoke.texi (Optimize Options): Correct description of -O0.
5844
5845 2007-01-08  Richard Guenther  <rguenther@suse.de>
5846
5847         * tree.h (force_fit_type_double): Export.
5848         (force_fit_type): Remove.
5849         * fold-const.c (force_fit_type_double): New function.
5850         (force_fit_type): Remove.
5851         (int_const_binop): Use it.
5852         (fold_convert_const_int_from_int): Likewise.
5853         (fold_convert_const_int_from_real): Likewise.
5854         (fold_div_compare): Likewise.
5855         (fold_sign_changed_comparison): Likewise.
5856         (fold_unary): Likewise.
5857         (fold_negate_const): Likewise.
5858         (fold_abs_const): Likewise.
5859         (fold_not_const): Likewise.
5860         * c-common.c (shorten_compare): Use force_fit_type_double.
5861         * convert.c (convert_to_pointer): Likewise.
5862
5863 2007-01-08  Richard Guenther  <rguenther@suse.de>
5864
5865         * tree.h (build_int_cst_wide_type): Export.
5866         * tree.c (build_int_cst_wide_type): New function.
5867         (build_int_cst_wide): Fix comment.
5868         * builtins.c (fold_builtin_object_size): Use build_int_cst
5869         to build -1 or 0 of the correct type.  Use fit_double_type
5870         to check for overflow.
5871         * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
5872         to build the mask.
5873         (decode_field_reference): Likewise.
5874         (all_ones_mask_p): Likewise.
5875         (native_interpret_int): Use build_int_cst_wide_type.
5876         (fold_binary): Use build_int_cst_type to build an all-ones
5877         value.
5878         * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
5879
5880 2007-01-08  Daniel Jacobowitz  <dan@codesourcery.com>
5881
5882         * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
5883
5884 2007-01-09  Ben Elliston  <bje@au.ibm.com>
5885
5886         * genautomata.c (STATS_OPTION): New option.
5887         (stats_flag): New flag.
5888         (gen_automata_option): Handle it.
5889         (initiate_automaton_gen): Ditto.
5890         (write_automata): Output statistics only if stats_flag is
5891         set. Likewise, output time statistics only if time_flag is set.
5892         * doc/md.texi (Processor pipeline description): Document new flag.
5893
5894 2007-01-08  Richard Guenther  <rguenther@suse.de>
5895
5896         * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
5897         * tree.c (build_int_cst_type): Likewise.
5898         (size_in_bytes): Don't call force_fit_type on the result.
5899         (int_fits_type_p): Use fit_double_type.
5900         * fold-const.c (fit_double_type): New function.
5901         (force_fit_type): Use it.
5902         * tree.h (fit_double_type): Export.
5903
5904 2007-01-08  Jan Hubicka  <jh@suse.cz>
5905
5906         * tree-vectorizer.c (gate_increase_alignment): Fix return type.
5907         * ipa.c (function_and_variable_visibility): Fix return type.
5908
5909 2007-01-08  Richard Guenther  <rguenther@suse.de>
5910
5911         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
5912         of offset to build the index.
5913         * tree-pretty-print.c (dump_generic_node): Don't build negated
5914         const just for printing.
5915         * c-pretty-print.c (pp_c_integer_constant): Likewise.
5916         * builtins.c (fold_builtin_int_roundingfn): Check if result
5917         fits the type by using force_fit_type and comparing the result.
5918         * predict.c (predict_loops): Use compare_tree_int for comparison.
5919         * tree.c (build_int_cst): Fall back to integer_type_node for
5920         NULL_TREE type.
5921         (build_int_cst_wide): Assert type is non-null.
5922
5923 2007-01-08  Roberto Costa  <roberto.costa@st.com>
5924
5925         * tree-vrp.c (extract_range_from_cond_expr): New.
5926         (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
5927         * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
5928         as expressions.
5929         (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
5930         * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
5931         tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
5932         used as expressions.
5933         * tree-object-size.c (cond_expr_object_size): New.
5934         (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
5935
5936 2007-01-08  Jan Hubicka  <jh@suse.cz>
5937
5938         * tree-ssa-forwprop.c (forward_propagate_into_cond,
5939         tree_ssa_forward_propagate_single_use_va): Release defs of propagated
5940         statement.
5941
5942 2007-01-08  Richard Guenther  <rguenther@suse.de>
5943
5944         PR tree-optimization/23603
5945         * tree-vrp.c (set_value_range_to_truthvalue): New function.
5946         (extract_range_from_binary): Fall back to truthvalue instead of
5947         varying for TRUTH_*_EXPR.
5948         (extract_range_from_comparison): Fall back to truthvalue instead of
5949         varying.
5950         (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
5951         if all visited PHI values were constant.
5952
5953 2007-01-08  Jan Hubicka  <jh@suse.cz>
5954
5955         * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
5956         (cgraph_analyze_function): break out from ...
5957         (cgraph_finalize_compilation_unit): ... here.
5958         (cgraph_expand_function): Remove forgoten commented out line.
5959         (cgraph_optimize): Analyze functions.
5960
5961 2007-01-08  Jan Hubicka  <jh@suse.cz>
5962
5963         * tree-pas.h (TODO_remove_function): New flag.
5964         (TODO_update*): Renumber.
5965         (pass_ipa_increase_alignment,
5966         pass_ipa_function_and_variable_visibility): New passes.
5967         * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
5968         (cgraph_function_and_variable_visibility): Move to ipa.c
5969         (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
5970         cgraph_increase_alignment.
5971         * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
5972         (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
5973         calling tree-inline.
5974         (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
5975         (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
5976         * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
5977         (gate_increase_alignment): New function.
5978         (pass_ipa_increase_alignment): New pass.
5979         * ipa.c: Inline tree-pass.h and timevar.h
5980         (function_and_variable_visibility): Move here from cgraphunit.c
5981         * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
5982         * passes.c (init_optimization_passes): Add the two new passes.
5983         (execute_todo): Handle cgraph_remove_functions.
5984
5985 2007-01-08  Nick Clifton  <nickc@redhat.com>
5986
5987         * config/frv/predicates.md (reg_or_0_operand): Accept
5988         CONST_DOUBLEs.
5989
5990 2007-01-08  Ralf Corsépius <ralf.corsepius@rtems.org>
5991
5992         * config/bfin/rtems.h, config/bfin/t-rtems: New.
5993         * config.gcc: Add bfin*-rtems*.
5994
5995 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
5996
5997         * c.opt: Add -flax-vector-conversions.
5998         * c-typeck.c (convert_for_assignment): Pass flag to
5999         vector_types_convertible_p to allow emission of note.
6000         (digest_init): Likewise.
6001         * c-opts.c: Handle -flax-vector-conversions.
6002         * c-common.c (flag_lax_vector_conversions): New.
6003         (vector_types_convertible_p): Unless -flax-vector conversions
6004         has been passed, disallow conversions between vectors with
6005         differing numbers of subparts and/or element types.  If such
6006         a conversion is disallowed, possibly emit a note on the first
6007         occasion only to inform the user of -flax-vector-conversions.
6008         The new last argument specifies this.
6009         * c-common.h (flag_lax_vector_conversions): New.
6010         (vector_types_convertible_p): Add extra argument.
6011         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
6012         char_type_node for V*QI type vectors.
6013         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
6014         Update to satisfy new typechecking rules.
6015         * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
6016         C and C++ variants.
6017         * doc/invoke.texi (C Dialect Options): Document
6018         -flax-vector-conversions.
6019
6020 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
6021
6022         PR tree-optimization/29877
6023         * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
6024         a register variable on the RHS to not be replaceable.
6025
6026 2007-01-08  Chen Liqin  <liqin@sunnorth.com.cn>
6027         * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
6028         * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
6029         const_simm15, const_pow2, const_npow2): Added.
6030         * config/score/misc.md (insv, extv, extzv, movmemsi,
6031         move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
6032         * config/score/score.c (score_address_cost, score_select_cc_mode):
6033         Added.
6034         Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
6035         Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
6036         Update score_print_operand.
6037         * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
6038         Adjust register allocate order and update some macro define.
6039         * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
6040         mdx_block_move_straight, mdx_block_move_loop_head,
6041         mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
6042         mdx_block_move): Added.
6043         (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
6044         mdp_limm): Updated and fix some bug and typo.
6045         * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
6046         (movsf, movdf, doloop_end): Added.
6047
6048 2007-01-08  Kazu Hirata  <kazu@codesourcery.com>
6049
6050         * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
6051         config/arm/thumb2.md: Fix comment typos.
6052         * doc/extend.texi: Fix a typo.
6053
6054 2007-01-07  Eric Christopher  <echristo@apple.com>
6055
6056         * configure.ac: Check for __stack_chk_fail for darwin.
6057         * configure: Regenerate.
6058
6059 2007-01-07  Richard Guenther  <rguenther@suse.de>
6060
6061         * tree-vrp.c (extract_range_from_assert): CSE calls to
6062         compare_values where possible.
6063         (extract_range_from_unary_expr): Likewise.
6064
6065 2007-01-07  Anatoly Sokolov <aesok@post.ru>
6066
6067         * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
6068         * config/avr/avr.c (call_insn_operand): Delete function.
6069         * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
6070         instead of register number. Use predicates.
6071         * config/avr/predicates.md (const0_operand, reg_or_0_operand,
6072         call_insn_operand): Add.
6073
6074 2007-01-06  Jan Hubicka  <jh@suse.cz>
6075
6076         * tree-pass.h (pass_build_cgraph_edges): Declare.
6077         * cgraphunit.c (record_refernece): Move to cgraphbuild.c
6078         (visited_nodes): Remove.
6079         (cgraph_create_edges): Move to cgraphbuild.c; rename to
6080         build_cgrpah_edges; make visited_nodes local.
6081         (cgraph_process_new_functions): DO not call initialize_inline_failed.
6082         (record_references_in_initializer): Move to cgraphbuild.c
6083         (initialize_inline_failed, rebuild_cgraph_edges,
6084         pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
6085         (verify_cgraph_node): Make visited_nodes local.
6086         (cgraph_analyze_function): Do not call cgraph_create_edges and
6087         initialize_inline_failed.
6088         (cgraph_expand_function): Do not call cgraph_lower_function;
6089         assert that function is already lowered.
6090         * Makefile.in (cgraphbuild.o): New.
6091         * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
6092         at the end of lowering passes.
6093
6094 2007-01-06  Steven Bosscher  <steven@gcc.gnu.org>
6095
6096         * ifcvt.c (cond_move_convert_if_block): New function, code
6097         factored out from...
6098         (cond_move_process_if_block): ...here.  Call the new function
6099         on the THEN and ELSE blocks.
6100         (merge_if_block): Do not copy global_live_at_end, merge_blocks
6101         already takes care of this.
6102
6103 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6104
6105         PR c/19978
6106         * tree.h (TREE_OVERFLOW_P): New.
6107         * c-typeck.c (parser_build_unary_op): Warn only if result
6108         overflowed and operands did not.
6109         (parser_build_binary_op): Likewise.
6110         (convert_for_assignment): Remove redundant overflow_warning.
6111         * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
6112
6113 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6114
6115         * c-typeck.c (store_init_value): Split over two lines to follow
6116         the GNU coding style.
6117
6118 2007-01-05  Benjamin Kosnik  <bkoz@redhat.com>
6119
6120         * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
6121         __GXX_EXPERIMENTAL_CXX0X__.
6122         * doc/cpp.texi: Same.
6123
6124 2007-01-05  Richard Guenther  <rguenther@suse.de>
6125
6126         PR middle-end/27826
6127         * tree.c (get_narrower): Do not construct COMPONENT_REFs
6128         with mismatched types.  Instead explicitly build a
6129         conversion NOP_EXPR.
6130
6131 2007-01-05  Ian Lance Taylor  <iant@google.com>
6132
6133         * c-common.c (decl_with_nonnull_addr_p): New function.
6134         (c_common_truthvalue_conversion): Call it.
6135         * c-typeck.c (build_binary_op): Likewise.
6136         * c-common.h (decl_with_nonnull_addr_p): Declare.
6137
6138 2007-01-05  Jakub Jelinek  <jakub@redhat.com>
6139
6140         PR c/30360
6141         * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
6142         denom against 0.0.
6143
6144 2007-01-05  Joel Brobecker  <brobecker@adacore.com>
6145
6146         * doc/install.texi (Final install): Document the fact that
6147         the GNAT runtime should not be stripped.
6148
6149 2007-01-04  Jan Hubicka  <jh@suse.cz>
6150
6151         * tree-inline.c (fold_marked_statements): Update operand caches
6152         and EH after folding
6153
6154 2007-01-04  Ian Lance Taylor  <iant@google.com>
6155
6156         * c-common.c (check_function_nonnull): Whitespace fix.
6157
6158 2007-01-04  Jan Hubicka  <jh@suse.cz>
6159
6160         * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
6161         comitted older version of patch.
6162         (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
6163         function, celanup cfg and collect garbage.
6164
6165 2007-01-04  Mike Stump  <mrs@apple.com>
6166
6167         * Makefile.in (mostlyclean): Don't remove libgcc anymore.
6168         (clean): Likewise.
6169
6170 2007-01-04  Eric Christopher  <echristo@apple.com>
6171
6172         * libgcc2.c (__bswapsi2): Use SItype.
6173         (__bswapdi2): Use DItype.
6174         * libgcc2.h: Update for above.
6175
6176 2007-01-04  Paul Brook  <paul@codesourcery.com>
6177
6178         * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
6179         mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
6180         mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
6181         umulsidi3, umulsidi3adddi, smulsi3_highpart,
6182         umulsi3_highpart): Make conditional on !arm_arch6.
6183         (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
6184         mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
6185         mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
6186         umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
6187         umulsi3_highpart_v6): New insns.
6188
6189 2007-01-04  Roger Sayle  <roger@eyesopen.com>
6190
6191         * fold-const.c (fold_convert): When casting an expression to void,
6192         fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
6193         have a type.  Instead of attempting to build a NOP_EXPR, return
6194         these "special" trees directly.
6195
6196 2007-01-04  Joseph Myers  <joseph@codesourcery.com>
6197
6198         * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
6199         MULT inside MINUS as either argument.  Use rs6000_cost->dmul -
6200         rs6000_cost->fp not 0 as adjustment for outer NEG.
6201
6202 2007-01-04  Jan Hubicka  <jh@suse.cz>
6203
6204         * cgraph.c (cgraph_release_function_body): New function.
6205         (cgraph_remove_node): Use it.
6206         * cgraph.h (cgraph_release_function_body): Declare.
6207         * cgraphunit.c (cgraph_expand_function): Use it.
6208         * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
6209         * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
6210         is initialized and while compilation of other function is running.
6211         * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
6212         statement CFG annotations from here to ...
6213         * tree-cfg.c (delete_tree_cfg_annotations): ... here.
6214
6215 2007-01-04  Zdenek Dvorak <dvorakz@suse.cz>
6216
6217         * cfgloop.h (enum li_flags): Make the constants powers of two.
6218
6219 2007-01-04  Jan Hubicka  <jh@suse.cz>
6220
6221         * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
6222         set.
6223         (fold_marked_statements): New function.
6224         (optimize_inline_calls, tree_function_versioning): Fold new statements.
6225         * tree-inline.h (copy_body_data): Add statements_to_fold.
6226
6227 2007-01-03  Daniel Jacobowitz  <dan@codesourcery.com>
6228
6229         * config.gcc: Mention libgcc/config.host.
6230         * Makefile.in: Update comments mentioning libgcc.
6231         (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
6232         (all.cross, start.encap, rest.encap, rest.cross): Update
6233         dependencies for libgcc move.
6234         (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
6235         (clean-target, clean-target-libgcc): Delete.
6236         (srcdirify, GCC_EXTRA_PARTS): New macros.
6237         (libgcc-support, libgcc.mvars): New rules.
6238         (distclean): Remove mention of mklibgcc.
6239         (install): Don't reference INSTALL_LIBGCC.
6240         (install-common): Don't reference EXTRA_PARTS.
6241         (install-libgcc, install-multilib): Delete rules.
6242         * mklibgcc.in: Delete file.
6243         * doc/configfiles.texi: Don't mention mklibgcc.
6244
6245         * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
6246         * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
6247         * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
6248         * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
6249         (mklibgcc, ldblspecs): Likewise.
6250
6251         * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
6252         (posixpre.def): Use $(T).
6253         (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
6254         (SHLIB_SRC, SHLIB_INSTALL): Delete.
6255         (SHLIB_LINK): Make dummy.
6256         * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
6257
6258         * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
6259
6260         * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
6261         * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
6262         config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
6263         config/rs6000/t-newas, config/sparc/t-elf: Likewise.
6264
6265         * configure.ac (all_outputs): Remove mklibgcc.
6266         * configure: Regenerated.
6267
6268 2007-01-03  Josh Conner  <jconner@apple.com>
6269
6270         PR middle-end/29683
6271         * calls.c (compute_argument_addresses): Set stack and stack_slot
6272         for partial args, too.
6273         (store_one_arg): Use locate.size.constant for the size when
6274         generating a save_area.
6275
6276 2007-01-03  Robert Kennedy <jimbob@google.com>
6277
6278         * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
6279         whose definitions are deleted due to basic block merging.
6280
6281 2007-01-03  Paul Brook  <paul@codesourcery.com>
6282
6283         PR target/16634
6284         * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
6285         functions.
6286         (use_return_insn): Return 0 for Thumb interrupt functions.
6287         (print_multi_reg): Add rfe argument for IRQ returns.
6288         (arm_output_epilogue): Pop interrupt return address directly into PC.
6289         (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
6290
6291 2007-01-03  Paul Brook  <paul@codesourcery.com>
6292
6293         Merge from sourcerygxx-4_1.
6294         * config/arm/thumb2.md: New file.
6295         * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
6296         Thumb-2.
6297         * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
6298         * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
6299         (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
6300         * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
6301         tables.
6302         (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
6303         * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
6304         comptibility.
6305         * config/arm/ieee754-sf.S: Ditto.
6306         * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
6307         (thumb1_base_register_rtx_p): ... to this.
6308         (thumb_index_register_rtx_p): Rename...
6309         (thumb1_index_register_rtx_p): ... to this.
6310         (thumb_output_function_prologue): Rename...
6311         (thumb1_output_function_prologue): ... to this.
6312         (thumb_legitimate_address_p): Rename...
6313         (thumb1_legitimate_address_p): ... to this.
6314         (thumb_rtx_costs): Rename...
6315         (thumb1_rtx_costs): ... to this.
6316         (thumb_compute_save_reg_mask): Rename...
6317         (thumb1_compute_save_reg_mask): ... to this.
6318         (thumb_final_prescan_insn): Rename...
6319         (thumb1_final_prescan_insn): ... to this.
6320         (thumb_expand_epilogue): Rename...
6321         (thumb1_expand_epilogue): ... to this.
6322         (arm_unwind_emit_stm): Rename...
6323         (arm_unwind_emit_sequence): ... to this.
6324         (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
6325         thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
6326         thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
6327         arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
6328         thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
6329         thumb2_output_casesi): New functions.
6330         (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
6331         (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
6332         FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
6333         THUMB2_WORK_REGS): Define.
6334         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
6335         arm_condexec_mask, arm_condexec_masklen)): New variables.
6336         (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
6337         (arm_override_options): Check new CPU capabilities.
6338         Set new architecture flag variables.
6339         (arm_isr_value): Handle v7m interrupt functions.
6340         (user_return_insn): Return 0 for v7m interrupt functions.  Handle
6341         Thumb-2.
6342         (const_ok_for_arm): Handle Thumb-2 constants.
6343         (arm_gen_constant): Ditto.  Use movw when available.
6344         (arm_function_ok_for_sibcall): Return false for v7m interrupt
6345         functions.
6346         (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
6347         (thumb_find_work_register, arm_load_pic_register,
6348         legitimize_tls_address, arm_address_cost, load_multiple_sequence,
6349         emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
6350         print_multi_reg, output_mov_long_double_fpa_from_arm,
6351         output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
6352         output_mov_double_fpa_from_arm, output_move_double,
6353         arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
6354         output_return_instruction, arm_output_function_prologue,
6355         arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
6356         arm_output_mi_thunk, thumb_set_return_address): Ditto.
6357         (arm_expand_prologue): Handle Thumb-2.  Use arm_save_coproc_regs.
6358         (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
6359         (arithmetic_instr, shift_op): Use arm_shift_nmem.
6360         (arm_print_operand): Use arm_print_condition.  Handle '(', ')', '.',
6361         '!' and 'L'.
6362         (arm_final_prescan_insn): Use extract_constrain_insn_cached.
6363         (thumb_expand_prologue): Use thumb_set_frame_pointer.
6364         (arm_file_start): Output directive for unified syntax.
6365         (arm_unwind_emit_set): Handle stack alignment instruction.
6366         * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
6367         Add v6t2, v7, v7a, v7r and v7m.
6368         (RETLDM): Add Thumb-2 code.
6369         (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
6370         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
6371         (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
6372         TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
6373         THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
6374         ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
6375         THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
6376         CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
6377         ADJUST_INSN_LENGTH): Define.
6378         (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
6379         STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
6380         BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
6381         PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
6382         SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
6383         TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
6384         HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
6385         HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
6386         REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
6387         REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
6388         LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
6389         GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
6390         ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
6391         FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
6392         PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
6393         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
6394         * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
6395         cortex-m3.
6396         * config/arm/arm-tune.md: Regenerate.
6397         * config/arm/arm-protos.h: Update prototypes.
6398         * config/arm/vfp.md: Enable patterns for Thumb-2.
6399         (arm_movsi_vfp): Add movw alternative.  Use output_move_vfp.
6400         (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
6401         (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
6402         thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
6403         * config/arm/libunwind.S: Add Thumb-2 code.
6404         * config/arm/constraints.md: Update include Thumb-2.
6405         * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
6406         * config/arm/ieee754-df.S: Ditto.
6407         * config/arm/bpabi.S: Ditto.
6408         * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
6409         * config/arm/predicates.md (low_register_operand,
6410         low_reg_or_int_operand, thumb_16bit_operator): New.
6411         (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
6412         (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
6413         * config/arm/t-arm-elf: Add armv7 multilib.
6414         * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
6415         Include thumb2.md.
6416         (UNSPEC_STACK_ALIGN, ce_count): New.
6417         (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
6418         arm_zero_extendsidi2, arm_zero_extendqidi2): New
6419         insns/expanders.
6420         * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
6421         (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
6422         thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
6423         * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
6424         (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
6425         thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
6426         insns.
6427         * doc/extend.texi: Document ARMv7-M interrupt functions.
6428         * doc/invoke.texi: Document Thumb-2 new cores+architectures.
6429
6430 2007-01-03  Jakub Jelinek  <jakub@redhat.com>
6431
6432         * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
6433         (struct _Unwind_Context): Rename args_size to flags, remove
6434         signal_frame field, add a new args_size field and version field.
6435         (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
6436         _Unwind_IsExtendedContext): New inline functions.
6437         (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
6438         Assume by_value array is only present if _Unwind_IsExtendedContext.
6439         (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
6440         _Unwind_IsSignalFrame.
6441         (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
6442         (uw_update_context_1): Use _Unwind_SetSignalFrame.
6443         (uw_init_context_1): Initialize context->flags to
6444         EXTENDED_CONTEXT_BIT.
6445         * config/rs6000/linux-unwind.h (frob_update_context): Use
6446         _Unwind_SetSignalFrame.
6447
6448 2007-01-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6449
6450         PR middle-end/30353
6451         * gimplify.c (gimplify_modify_expr_complex_part): Move below
6452         tree_to_gimple_tuple.  Call tree_to_gimple_tuple when we need
6453         the value.
6454
6455 2007-01-03  Kazu Hirata  <kazu@codesourcery.com>
6456
6457         * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
6458         REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
6459         RET, AT_SP): Remove.
6460         * config/i386/i386.md (*sse_prologue_save_insn): Use return
6461         instead of RET.
6462
6463         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
6464         * cfgbuild.c (find_basic_blocks): Likewise.
6465         * cfgrtl.c (rtl_create_basic_block): Likewise.
6466         * function.c (temp_slots_at_level): Likewise.
6467         * reg-stack.c (stack_regs_mentioned): Likewise.
6468         * regclass.c (allocate_reg_info): Likewise.
6469         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
6470         set_bb_for_stmt, move_block_to_fn): Likewise.
6471         * tree-complex.c (tree_lower_complex): Likewise.
6472         * vec.h (VEC_safe_grow_cleared): New.
6473
6474         * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
6475
6476 2007-01-03  Zdenek Dvorak <dvorakz@suse.cz>
6477
6478         * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
6479         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
6480         to loop_version.
6481         * cfgloopmanip.c (scale_loop_frequencies): Export.
6482         (loopify): Scale the frequencies by prescribed coefficients.
6483         (set_zero_probability): New function.
6484         (duplicate_loop_to_header_edge): Improve updating of frequencies.
6485         (lv_adjust_loop_entry_edge, loop_version): Set probabilities
6486         and frequencies according to arguments.
6487         * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
6488         correctly.
6489         * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
6490         * modulo-sched.c (sms_schedule): Set probabilities for entering
6491         versioned loop correctly.
6492         * tree-vect-transform.c (vect_transform_loop): Ditto.
6493         * cfgloop.h (loopify, loop_version): Declaration changed.
6494         (scale_loop_frequencies): Declared.
6495
6496 2007-01-02  Jan Hubicka  <jh@suse.cz>
6497
6498         * cgraph.c: Include tree-flow.h
6499         (cgraph_add_new-function): Handle IPA_SSA mode; execute
6500         early_local_passes.
6501         * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
6502         * tree-pass.h (pass_all_early_optimizations): Declare.
6503         * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
6504         early_local_passes.
6505         (cgraph_analyze_function): Do early_local_passes.
6506         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
6507         Do not add referenced vars.
6508         * tree-optimize.c (gate_all_optimizations): Do not execute when not in
6509         SSA form.
6510         (gate_all_early_local_passes): New gate.
6511         (pass_early_local_passes): Use new gate.
6512         (execute_early_local_optimizations): New functions.
6513         (gate_all_early_optimizations): New gate.
6514         (pass_all_early_optimizations): New pass.
6515         (execute_free_datastructures): Free SSA only when initialized.
6516         (gate_init_datastructures): Init only when optimizing.
6517         (tree_lowering_passes): Do early local passes when called late.
6518         * tree-profile.c (do_tree_profiling): Don't profile functions added
6519         late.
6520         (do_early_tree_profiling, pass_early_tree_profile): Kill.
6521         * tree-cfg.c (update_modified_stmts): Do not update when operands are
6522         not active.
6523         * passes.c (init_optimizations_passes): Reorder so we go into SSA
6524         during early_local_passes.
6525         * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
6526
6527
6528 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
6529
6530         * Makefile.in: Update copyright year.
6531
6532 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
6533
6534         * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
6535         in $(lang_checks) and check-consistency targets.
6536
6537 2007-01-02  Jan Hubicka  <jh@suse.cz>
6538
6539         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
6540         Do not add referenced vars.
6541         * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
6542         are not active.
6543         * passes.c (init_optimization_passes): Put mudflap_2 after
6544         free_datastructures.
6545
6546 2007-01-02  Jan Hubicka  <jh@suse.cz>
6547
6548         * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
6549         Set NOTHROW flag on call statements proved to be nothrow.
6550         Update statement of local calls so new pure/const functions are
6551         updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
6552         goto receivers.
6553         (tree_rest_of_compilation): Register hooks and initialize bitmap
6554         early. Do not set after_inlining flag.
6555
6556 2007-01-02  Steve Ellcey  <sje@cup.hp.com>
6557
6558         * sbitmap.c (HOST_BITS_PER_LONG_LONG):  Change to
6559         HOST_BITS_PER_LONGLONG
6560
6561 2007-01-02  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
6562
6563         PR c/19977
6564         * c-typeck.c (store_init_value): Don't emit pedantic overflow
6565         warning for non-static initializers.
6566
6567 2007-01-02  Steven Bosscher  <steven@gcc.gnu.org>
6568
6569         * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
6570         m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
6571         rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
6572         Always use set_unique_reg_note to add REG_EQUAL notes.
6573
6574 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
6575
6576         Revert:
6577         2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
6578
6579         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
6580         * cfgbuild.c (find_basic_blocks): Likewise.
6581         * cfgrtl.c (rtl_create_basic_block): Likewise.
6582         * function.c (temp_slots_at_level): Likewise.
6583         * reg-stack.c (stack_regs_mentioned): Likewise.
6584         * regclass.c (allocate_reg_info): Likewise.
6585         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
6586         set_bb_for_stmt, move_block_to_fn): Likewise.
6587         * tree-complex.c (tree_lower_complex): Likewise.
6588         * vec.h (VEC_safe_grow_cleared): New.
6589
6590 2007-01-02  Ian Lance Taylor  <iant@google.com>
6591
6592         * c-common.c (c_common_truthvalue_conversion): When warning about
6593         using an assignment as a truth value, set TREE_NO_WARNING.
6594
6595 2007-01-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6596
6597         PR middle-end/7651
6598         * c.opt (Wold-style-declaration): New.
6599         * doc/invoke.texi (C-only Warning Options): New.
6600         (Wold-style-declaration): Document it.
6601         (Wextra): Enabled by -Wextra.
6602         * c-opts.c (c_common_post_options): Enabled by -Wextra.
6603         * c-decl.c (declspecs_add_scspec): Replace -Wextra with
6604         -Wold-style-declaration.
6605
6606 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
6607
6608         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
6609         * cfgbuild.c (find_basic_blocks): Likewise.
6610         * cfgrtl.c (rtl_create_basic_block): Likewise.
6611         * function.c (temp_slots_at_level): Likewise.
6612         * reg-stack.c (stack_regs_mentioned): Likewise.
6613         * regclass.c (allocate_reg_info): Likewise.
6614         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
6615         set_bb_for_stmt, move_block_to_fn): Likewise.
6616         * tree-complex.c (tree_lower_complex): Likewise.
6617         * vec.h (VEC_safe_grow_cleared): New.
6618
6619 2007-01-02  Douglas Gregor  <doug.gregor@gmail.com>
6620
6621         * c-common.c (c_common_nodes_and_builtins): Since variants of
6622         void_type_node get built before it is given a name, we need to
6623         give those variants the name, too.
6624         (complete_array_type): We need to work with the canonical main
6625         type of the array, from which we will build the qualified version.
6626         * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
6627         * print-tree.c (print_node): Display canonical type information
6628         for each type.
6629         * stor-layout.c (layout_type): When we don't know the
6630         alignment of a type for which we're building an array, we end up
6631         guessing wrong, so make the type require structural equality.
6632         * tree.c (make_node_stat): When we build a new type, it is its
6633         own canonical type.
6634         (build_type_attribute_qual_variant): When building an attribute
6635         variant, its canonical type is the non-attribute variant. However,
6636         if the attributes are target-dependent and they differ, we need to
6637         use structural equality checks for this type.
6638         (build_qualified_type): A qualified type is not equivalent to its
6639         unqualified variant; set the canonical type appropriately.
6640         (build_distinct_type_copy): When building a distinct type from
6641         another type, the new type is its own canonical type.
6642         (build_variant_type_copy): When building a new type variant, we
6643         assume that it is equivalent to the original type.
6644         (build_pointer_type_for_mode): When building a pointer type, also
6645         build a canonical type pointer.
6646         (build_reference_type_for_mode): When building a reference type,
6647         also build a canonical type reference.
6648         (build_index_type): When we can't hash an index type (e.g.,
6649         because its maximum value is negative), the index type requires
6650         structural equality tests.
6651         (build_array_type): Build the canonical form of an array type.
6652         (build_function_type): Function types require structural equality,
6653         because they contain default arguments, attributes, etc.
6654         (build_method_type_directly): Ditto for method types.
6655         (build_offset_type): Build the canonical offset type.
6656         (build_complex_type): Build the canonical vector type.
6657         (make_vector_type): Build the canonical vector type.
6658         * tree.h (TYPE_CANONICAL): New.
6659         (TYPE_STRUCTURAL_EQUALITY_P): New.
6660         (SET_TYPE_STRUCTURAL_EQUALITY): New.
6661         (struct tree_type): Added "canonical" field.
6662         * params.h (VERIFY_CANONICAL_TYPES): New.
6663         * doc/c-tree.texi (TYPE_CANONICAL): Document.
6664         (TYPE_STRUCTURAL_EQUALITY_P): Document.
6665         (SET_TYPE_STRUCTURAL_EQUALITY): Document.
6666         * doc/invoke.texi (verify-canonical-types): Document --param
6667         parameter for verifying canonical types.
6668
6669 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
6670
6671         * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
6672         powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
6673         powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
6674         powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
6675         tm_file.
6676         * config/rs6000/e500.h: New.
6677         * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
6678         TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
6679         Remove.
6680         * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
6681         TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
6682         TARGET_E500_DOUBLE): Remove.
6683         * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
6684         TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
6685         * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
6686         * config/rs6000/rs6000.c (rs6000_override_options): Use
6687         CHECK_E500_OPTIONS.
6688
6689 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
6690
6691         * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
6692         TARGET_E500_DOUBLE), not TARGET_E500, for %y.
6693         (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
6694         rs6000_emit_cmove): Don't check TARGET_E500.
6695         * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
6696         sordered): Don't check TARGET_E500.
6697
6698 2007-01-01  Eric Christopher  <echristo@apple.com>
6699
6700         * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
6701         HARD_REGISTER_NUM_P.
6702
6703 2007-01-01  Roger Sayle  <roger@eyesopen.com>
6704
6705         * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
6706         "X eq/ne (C1^C2)".  Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
6707         has no side-effects.  Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
6708         eq/ne Y".
6709
6710 2007-01-01  Mike Stump  <mrs@apple.com>
6711
6712         * configure.ac: Remove support for building with Apple's gcc-3.1.
6713
6714 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
6715
6716         PR middle-end/30311
6717         * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
6718         REG is a hard register.  Do not modify REG before calling
6719         subreg_nregs.
6720         * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
6721         multiple of the size of YMODE for certain lowpart cases.
6722
6723 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
6724
6725         PR middle-end/30253
6726         * gimplify (voidify_wrapper_expr): Update for
6727         GIMPLE_MODIFY_STMT.
6728
6729 2007-01-01  Andreas Schwab  <schwab@suse.de>
6730
6731         PR target/29166
6732         * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
6733         save of BR0 in extra_spill_size instead of spill_size.
6734         (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
6735         area.
6736         (ia64_expand_epilogue): Restore BR0 from its new location.
6737
6738 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
6739
6740         * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
6741         Use a temporary variable if the left hand side is not a gimple
6742         register.
6743
6744 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
6745
6746         * gimplify.c (gimplify_return_expr): Make the temporary variable
6747         for the return expression, a gimple register variable.
6748
6749 2007-01-01  Jan Hubicka  <jh@suse.cz>
6750
6751         * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
6752         INSN_LIST.
6753
6754 2007-01-01  Mike Stump  <mrs@apple.com>
6755
6756         * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
6757         .literal16.
6758         * config/darwin.c (machopic_select_rtx_section): Use
6759         HAVE_GAS_LITERAL16.
6760         (darwin_mergeable_constant_section): Likewise.
6761         * configure: Regenerate.
6762         * config.in: Regenerate.
6763
6764 2007-01-01  Jan Hubicka  <jh@suse.cz>
6765             Andrew Pinski  <pinskia@gmail.com>
6766
6767         * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
6768         before starting IPA passes.