* predict.def: Set outcomes according to more recent results.
[official-gcc.git] / gcc / ChangeLog
blob061145dbc1a3d46fbd039db8408b98cb90a9e57b
1 2007-02-26  Jan Hubicka  <jh@suse.cz>
3         * predict.def: Set outcomes according to more recent results.
4         (PRED_LOOP_CONDITION, PRED_LOOP_PRECONDITIONING, PRED_LOOP_HEADER):
5         Remove dead predictors.
6         * predict.c (return_prediction): Fix pasto.
8 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
10         * loop-iv.c (simplify_using_initial_values): Fix oversight in previous
11         change; avoid a memory leak when returning early.
12         
13 2007-02-26  Mark Mitchell  <mark@codesourcery.com>
15         * c-decl.c (static_ctors): Move to c-common.c.
16         (static_dtors): Likewise.
17         (finish_function): Use c_record_cdtor_fn.
18         (build_cdtor): Move to c-common.c.
19         (c_write_global_declarations): Use c_build_cdtor_fns.
20         * c-common.h (static_ctors): Declare.
21         (static_dtors): Likewise.
22         (c_record_cdtor_fn): Likewise.
23         (c_build_cdtor_fns): Likewise.
24         * c-common.c (static_ctors): New variable.
25         (static_dtors): Likewise.
26         (c_record_cdtor_fn): New function.
27         (build_cdtor): Move from c-decl.c
28         (c_build_cdtor_fns): New function.
30         * output.h (assemble_addr_to_section): Declare.
31         (get_cdtor_priority_section): Likewise.
32         * varasm.c (assemble_addr_to_section): New function.
33         (get_cdtor_priority_section): Likewise.
34         (default_named_section_asm_out_destructor): Use them.
35         (destor_dtor_section_asm_out_destructor): Likewise.
36         (default_named_section_asm_out_constructor): Likewise.
37         (default_ctor_section_asm_out_constructor): Likewise.
38         * config.gcc (*-*-vxworks*): Include vxworks.o.
39         * config/t-vxworks (vxworks.o): New target.
40         * config/vxworks.h (ALWAYS_NUMBER_CTORS_SECTIONS): Remove.
41         (TARGET_ASM_CONSTRUCTOR): Define.
42         (TARGET_ASM_DESTRUCTOR): Likewise.
43         (vxworks_asm_out_constructor): Declare.
44         (vxworks_asm_out_destructor): Likewise.
46         * c-common.c (get_priority): Check that we have not just an
47         INTEGER_CST, but an integer constant with integeral type.
49 2007-02-25  Uros Bizjak  <ubizjak@gmail.com>
51         PR tree-optimization/30938
52         * tree-vect-transform.c (vectorizable_call): Fix off-by-one error:
53         use &dt[nargs-1] instead of &dt[nargs] in the call to
54         vect_is_simple_use().
56 2007-02-25  Ulrich Weigand  <uweigand@de.ibm.com>
58         * reload.c (find_reloads_address_1): Handle PLUS expressions resulting
59         from register elimination as PRE_MODIFY / POST_MODIFY increments.
60         Do not attempt to handle MEM inside auto-inc expressions.
61         * reload1.c (eliminate_regs_1): Do not attempt to handle elimination
62         of a register modified by an auto-inc expression.  However, do handle
63         elimination of a register used as PRE_MODIFY / POST_MODIFY increment.
64         (elimination_effects): Prohibit elimination of a register modified
65         by an auto-inc expression.  Disable register elimination rules whose
66         target register is modified by an auto-inc expression with variable
67         increment.
69 2007-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
71         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): Fix
72         off-by-one error.
73         (array_at_struct_end_p): New function.
74         (idx_infer_loop_bounds): Use it.
75         (estimate_numbers_of_iterations_loop): Export.
76         * predict.c (predict_loops): Use estimated_loop_iterations_int.
77         Do not use PRED_LOOP_EXIT on exits predicted by # of iterations.
78         (tree_estimate_probability): Call record_loop_exits.
79         * tree-data-ref.c (get_number_of_iters_for_loop): Replaced by ...
80         (estimated_loop_iterations, estimated_loop_iterations_int,
81         estimated_loop_iterations_tree): New functions.
82         (analyze_siv_subscript_cst_affine,
83         compute_overlap_steps_for_affine_1_2,
84         analyze_subscript_affine_affine): Use estimated_loop_iterations_int.
85         (analyze_miv_subscript): Use estimated_loop_iterations_tree.
86         * predict.def (PRED_LOOP_ITERATIONS): Update comment.
87         (PRED_LOOP_ITERATIONS_GUESSED): New.
88         * cfgloop.c (record_loop_exits): Do nothing if there are no loops.
89         * cfgloop.h (estimate_numbers_of_iterations_loop,
90         estimated_loop_iterations_int): Declare.
92 2007-02-25  Mark Mitchell  <mark@codesourcery.com>
94         * doc/extend.texi: Document optional priority argument to
95         constructors and destructors.
96         * tree.c (init_priority_for_decl): Adjust GTY markers.
97         (init_ttree): Use priority-info hash functions for
98         init_priority_for_decl.
99         (tree_map_eq): Rename to ...
100         (tree_map_base_eq): ... this.
101         (tree_map_marked_p): Rename to ...
102         (tree_map_base_marked_p): ... this.
103         (tree_map_base_hash): New function.
104         (decl_init_priority_lookup): Rework.
105         (decl_fini_priority_lookup): New function.
106         (decl_priority_info): New function.
107         (decl_init_priority_insert): Use it.
108         (decl_fini_priority_insert): Likewise.
109         (decl_restrict_base_lookup): Adjust for refactoring of tree_map
110         hierarchy.
111         (decl_restrict_base_insert): Likewise.
112         (decl_debug_expr_insert): Likewise.
113         (decl_value_expr_lookup): Likewise.
114         (decl_value_expr_insert): Likewise.
115         * tree.h (priority_type): New type.
116         (decl_init_priority_lookup): Use priority_type.
117         (decl_fini_priority_lookup): New function.
118         (decl_init_priority_insert): Use priority_type.
119         (decl_fini_priority_insert): New function.
120         (DECL_HAS_INIT_PRIORITY): Tweak comments.
121         (DECL_INIT_PRIORITY): Likewise.
122         (SET_DECL_INIT_PRIORITY): Add comment.
123         (DECL_FINI_PRIORITY): New macro.
124         (SET_DECL_FINI_PRIORITY): Likewise.
125         (DEFAULT_INIT_PRIORITY): Document.
126         (MAX_INIT_PRIORITY): Likewise.
127         (MAX_RESERVED_INIT_PRIORITY): Likewise.
128         (tree_map_base): New type.
129         (tree_map_base_eq): New function.
130         (tree_map_base_hash): Likewise.
131         (tree_map_base_marked_p): Likewise.
132         (tree_map): Inherit from tree_map_base.
133         (tree_map_eq): Make it a macro.
134         (tree_map_marked_p): Likewise.
135         (tree_int_map): Inherit from tree_map_base.
136         (tree_int_map_eq): Make it a macro.
137         (tree_int_map_hash): Likewise.
138         (tree_int_map_marked_p): Likewise.
139         (tree_priority_map): New type.
140         (tree_priority_map_eq): New macro.
141         (tree_priority_map_hash): Likewise.
142         (tree_priority_map_marked_p): Likewise.
143         * varasm.c (emults_decl): Adjust for refactoring of tree_map
144         hierarchy.
145         (emutls_common_1): Likewise.
146         * lambda-code.c (replace_uses_equiv_to_x_with_y): Likewise.
147         * tree-ssa-structalias.c (heapvar_lookup): Adjust for refactoring
148         of tree_map hierarchy.
149         * tree-cfg.c (move_stmt_r): Likewise.
150         (new_label_mapper): Likewise.
151         * c-tree.h (c_expand_body): Move to ...
152         * c-common.h (c_expand_body): ... here.
153         * c-decl.c (c_expand_body): Move to ...
154         * c-common.c (c_expand_body): ... here.
155         (c_common_attribute_table): Allow 1 argument for the constructor
156         and destructor attributes.
157         (get_priority): New function.
158         (handle_constructor_attribute): Set DECL_INIT_PRIORITY.
159         (handle_destructor_attribute): Set DECL_FINI_PRIORITY.
161 2007-02-24  Jan Hubicka  <jh@suse.cz>
163         PR middle-end/30509
164         * tree-inline.c (copy_bb): Produce exact copy of EH info when copying for inlining.
166 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
167             Jan Hubicka  <jh@suse.cz>
169         PR target/30778
170         * i386.c (counter_mode): New function.
171         (expand_set_or_movmem_via_loop): Use it.
172         (expand_movmem_epilogue): Likewise; fix pasto.
173         (ix86_expand_movmem): Do emit guard even for constant counts.
174         (ix86_expand_setmem): Likewise.
176 2007-02-25  Nick Clifton  <nickc@redhat.com>
178         * config/frv/frv.h (ASM_OUTPUT_CASE_LABEL): Delete.
179         (JUMP_TABLES_IN_TEXT_SECTION): Define.
181 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
183         PR target/30770
184         * config/i386/i386.md (expand_movmem_epilogue): Fix typo, mask
185         count argument with 0x10, not with 0x16.
186         (expand_setmem_epilogue): Ditto.
188 2007-02-24  Mike Stump  <mrs@apple.com>
190         * config/i386/i386.c (output_pic_addr_const): Stubify optimized
191         symbols.
193 2007-02-24  Richard Guenther  <rguenther@suse.de>
195         PR middle-end/30951
196         * fold-const.c (fold_binary): Fold x +- CST op x for
197         EQ_EXPR and NE_EXPR.
199 2007-02-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
201         * pa.md (muldi3): Force subregs to registers in 64-bit expander.
203 2007-02-24  Jan Hubicka  <jh@suse.cz>
205         * cgraphunit.c (decide_is_function_needed): Honor
206         -fkeep-inline-functions.
208 2007-02-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
210         * builtins.c (fold_builtin_modf): New.
211         (fold_builtin_2): Use it.
213 2007-02-24  Bernd Schmidt  <bernd.schmidt@analog.com>
215         * loop-iv.c (implies_p): Detect additional cases where A implies B.
216         (determine_max_iter): Take additional LOOP arg; all callers changed.
217         Lose broken logic dealing with PLUS.  Try to limit the upper bound by
218         one using simplifications.
219         (simplify_using_initial_values): Return if the expression becomes
220         invalid due to altered regs.
222 2007-02-23  DJ Delorie  <dj@redhat.com>
224         * doc/tm.h (BIGGEST_ALIGNMENT): Clarify the purpose of this macro.
226 2007-02-23  Mike Stump  <mrs@apple.com>
228         * tlink.c (scan_linker_output): Parse linker messages from
229         darwin9's linker better.
231 2007-02-23  Steve Ellcey  <sje@cup.hp.com>
233         PR debug/29614
234         * varpool.c (varpool_assemble_pending_decls):  Set
235         varpool_last_needed_node to null.
237 2007-02-23  DJ Delorie  <dj@redhat.com>
239         * config/i386/i386.c (ix86_data_alignment): Don't specify an
240         alignment bigger than the object file can handle.
242 2007-02-23  Uros Bizjak  <ubizjak@gmail.com>
244         PR target/30825
245         * config/i386/i386.md (*movdi_1_rex64, zero_extendsidi2_32,
246         zero_extendsidi2_rex64): Penalize MMX register<->memory moves.
247         (*movsf_1): Penalize MMX moves.
249 2007-02-23  Bernd Schmidt  <bernd.schmidt@analog.com>
251         * config/bfin/bfin.md (doloop_end): Fail for loops that can iterate
252         2^32-1 or more times unless flag_unsafe_loop_optimizations.
254         * loop-iv.c (determine_max_iter): Moved in front of its sole user.
256 2007-02-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
258         * builtins.c (fold_builtin_logb, fold_builtin_significand): New.
259         (fold_builtin_1): Use them.
260         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
261         BUILT_IN_SIGNIFICAND.
263 2007-02-23  H.J. Lu  <hongjiu.lu@intel.com>
265         * config/i386/i386.c (bdesc_1arg): Initialize
266         IX86_BUILTIN_MOVSHDUP and IX86_BUILTIN_MOVSLDUP with
267         "__builtin_ia32_movshdup" and "__builtin_ia32_movsldup".
268         (ix86_init_mmx_sse_builtins): Remove IX86_BUILTIN_MOVSHDUP
269         and IX86_BUILTIN_MOVSLDUP.
271 2007-02-22  Paolo Bonzini  <bonzini@gnu.org>
273         PR rtl-optimization/30841
274         * fwprop.c (propagate_rtx_1): Accept a VOIDmode replacement address.
276 2007-02-22  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
278         * builtins.c (fold_builtin_frexp): New.
279         (fold_builtin_2): Use it.
281 2007-02-22  Mark Mitchell  <mark@codesourcery.com>
283         * doc/invoke.texi (Spec Files): Document getenv spec function.
285         * gcc.c (getenv_spec_function): New function.
286         (static_spec_functions): Add it.
287         * config/vxworks.h (VXWORKS_TARGET_DIR): Remove.
288         (VXWORKS_ADDITIONAL_CPP_SPEC): Use getenv to find the VxWorks
289         header files.
291 2007-02-22  Michael Matz  <matz@suse.de
293         PR c++/29433
294         * dwarf2out.c (add_AT_string): Call ggc_strdup once per string.
295         (type_tag): Use lang_hooks.dwarf_name instead of DECL_NAME.
297 2007-02-22  Ian Lance Taylor  <iant@google.com>
299         PR debug/30898
300         * dwarf2out.c (concatn_mem_loc_descriptor): New static function.
301         (mem_loc_descriptor): Call it.
303 2007-02-22  Zdenek Dvorak  <dvorakz@suse.cz>
304             Ira Rosen  <irar@il.ibm.com>
306         * tree-data-ref.c (ptr_ptr_may_alias_p): Take alias sets into account.
308 2007-02-22  Ira Rosen  <irar@il.ibm.com>
310         PR tree-optimization/30843
311         * tree-vect-transform.c (vect_transform_loop): Remove strided scalar 
312         stores only after all the group is vectorized.
314 2007-02-22  Dorit Nuzman  <dorit@il.ibm.com>
316         PR tree-optimization/30858
317         * tree-vectorizer.c (vect_is_simple_reduction): Check that the stmts
318         in the reduction cycle have a single use in the loop.
319         * tree-vectorizer.h (relevant): Add documentation.
321 2007-02-20  Mike Stump  <mrs@apple.com>
323         * configure.ac (powerpc*-*-darwin*): #include <sys/cdefs.h>.
324         * configure: Regenerate.
326 2007-02-21  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
328         Change the defaults of some parameters and options.
329         * config/spu/spu-protos.h (spu_optimization_options): Declare.
330         * config/spu/spu.c (spu_optimization_options): Add.
331         (spu_override_options): Change params in spu_optimization_options.
332         * config/spu/spu.h (OPTIMIZATION_OPTIONS): Define.
334         Register 127 is only 16 byte aligned when used as a frame pointer.
335         * config/spu/spu-protos.h (spu_init_expanders): Declare.
336         * config/spu/spu.c (spu_expand_prologue): Set REGNO_POINTER_ALIGN for
337         HARD_FRAME_POINTER_REGNUM.
338         (spu_legitimate_address):  Use regno_aligned_for_reload.
339         (regno_aligned_for_load):  HARD_FRAME_POINTER_REGNUM is only 16 byte
340         aligned when frame_pointer_needed is true.
341         (spu_init_expanders): New.  Set alignment of HARD_FRAME_POINTER_REGNUM
342         to 8 bits.
343         * config/spu/spu.h (INIT_EXPANDERS): Define.
345         Make sure shift and rotate instructions have valid immediate operands.
346         * config/spu/predicates.md (spu_shift_operand): Remove.
347         * config/spu/spu.c (print_operand): Add [efghEFGH] modifiers.
348         * config/spu/constraints.md (W, O): Extend range.
349         * config/spu/spu.md (umask, nmask): Define.
350         (ashl<mode>3, ashldi3, ashlti3_imm, shlqbybi_ti, shlqbi_ti, shlqby_ti,
351         lshr<mode>3, rotm_<mode>, lshr<mode>3_imm, rotqmbybi_<mode>,
352         rotqmbi_<mode>, rotqmby_<mode>, ashr<mode>3, rotma_<mode>,
353         rotl<mode>3, rotlti3, rotqbybi_ti, rotqby_ti, rotqbi_ti): Use
354         spu_nonmem_operand instead of spu_shift_operands.  Use new modifiers.
355         (lshr<mode>3_reg):  Fix rtl description.
357         Make sure mulhisi immediate operands are valid.
358         * config/spu/predicates.md (imm_K_operand): Add.
359         * config/spu/spu.md (mulhisi3_imm, umulhisi3_imm): Use imm_K_operand.
361         Generate constants using fsmbi and andi.
362         * config/spu/spu.c (enum immediate_class): Add IC_FSMBI2.
363         (print_operand, spu_split_immediate, classify_immediate,
364         fsmbi_const_p): Handle IC_FSMBI2.
366         Correctly handle a CONST_VECTOR containing symbols.
367         * config/spu/spu.c (print_operand): Handle HIGH correctly.
368         (spu_split_immediate): Split CONST_VECTORs with -mlarge-mem.
369         (immediate_load_p): Allow symbols that use 2 instructions to create.
370         (classify_immediate, spu_builtin_splats):  Don't accept a CONST_VECTOR
371         with symbols when flag_pic is set.
372         (const_vector_immediate_p): New.
373         (logical_immediate_p, iohl_immediate_p, arith_immediate_p): Don't
374         accept a CONST_VECTOR with symbols.
375         (spu_legitimate_constant_p): Use const_vector_immediate_p.  Don't
376         accept a CONST_VECTOR with symbols when flag_pic is set.  Handle HIGH
377         correctly.
378         * config/spu/spu.md (high, low): Delete.
379         (low_<mode>): Define.
381         Remove INTRmode and INTR_REGNUM, which didn't work.
382         * config/spu/spu.c (spu_conditional_register_usage): Remove reference
383         of INTR_REGNUM.
384         * config/spu/spu-builtins.md (spu_idisable, spu_ienable, set_intr,
385         set_intr_pic, set_intr_cc, set_intr_cc_pic, set_intr_return, unnamed
386         peephole2 pattern): Don't use INTR or 131.
387         (movintrcc): Delete.
388         * config/spu/spu.h (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS,
389         CALL_USED_REGISTERS, REGISTER_NAMES, INTR_REGNUM): Remove INTR_REGNUM.
390         * config/spu/spu.md (UNSPEC_IDISABLE, UNSPEC_IENABLE): Remove.
391         (UNSPEC_SET_INTR): Add.
392         * config/spu/spu-modes.def (INTR): Remove.
394         More accurate warnings about run-time relocations.
395         * config/spu/spu.c (reloc_diagnostic): Test in_section.
397         Correctly warn about immediate arguments to specific intrinsics.
398         * config/spu/spu.c (spu_check_builtin_parm): Handle CONST_VECTORs.
399         (spu_expand_builtin_1): Call spu_check_builtin_parm before checking
400         the instruction predicate.
402         Fix tree check errors with latest update.
403         * config/spu/spu.c (expand_builtin_args, spu_expand_builtin_1): Use
404         CALL_EXPR_ARG.
405         (spu_expand_builtin): Use CALL_EXPR_FN.
407         Add missing specific intrinsics.
408         * config/spu/spu-builtins.def: Add si_bisled, si_bisledd and
409         si_bislede.
410         * config/spu/spu_internals.h: Ditto.
412         Fix incorrect operand modifiers.
413         * config/spu/spu-builtins.md (spu_mpy, spu_mpyu):  Remove use of %H.
414         * config/spu/spu.md (xor<mode>3):  Change %S to %J.
416         Optimize one case of zero_extend of a vec_select.
417         * config/spu/spu.md (_vec_extractv8hi_ze):  Add.
419         Accept any immediate for hbr.
420         * config/spu/spu.md (hbr):  Change s constraints to i.
422 2007-02-21  Paul Brook  <paul@codesourcery.com>
424         * config/arm/arm.c (thumb2_final_prescan_insn): Don't incrememnt
425         condexec_count when skipping USE and CLOBBER.
427 2007-02-21  Nick Clifton  <nickc@redhat.com>
429         * common.opt (Warray-bounds): Add Warning attribute.
430         (Wstrict-overflow, Wstrict-overflow=, Wcoverage-mismatch):
431         Likewise.
432         (fsized-zeroes): Add Optimization attribute.
433         (fsplit-wide-types, ftree-scev-cprop): Likewise.
434         * c.opt (Wc++0x-compat): Add Warning attribute.
436 2007-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
438         PR middle-end/30761
439         * reload1.c (eliminate_regs_in_insn): In the single_set special
440         case, attempt to re-recognize the insn before falling back to
441         having reload fix it up.
443 2007-02-20  Eric Christopher  <echristo@gmail.com>
445         * config/frv/frv.c (frv_read_argument): Take a tree and int argument.
446         Rewrite accordingly.
447         (frv_read_iacc_argument): Ditto.
448         (frv_expand_set_builtin): Take a call instead of arglist, update for
449         above changes.
450         (frv_expand_unop_builtin): Ditto.
451         (frv_expand_binop_builtin): Ditto.
452         (frv_expand_cut_builtin): Ditto.
453         (frv_expand_binopimm_builtin): Ditto.
454         (frv_expand_voidbinop_builtin): Ditto.
455         (frv_expand_int_void2arg): Ditto.
456         (frv_expand_prefetches): Ditto.
457         (frv_expand_voidtriop_builtin): Ditto.
458         (frv_expand_voidaccop_builtin): Ditto.
459         (frv_expand_load_builtin): Ditto.
460         (frv_expand_store_builtin): Ditto.
461         (frv_expand_mdpackh_builtin): Ditto.
462         (frv_expand_mclracc_builtin): Ditto.
463         (frv_expand_mrdacc_builtin): Ditto.
464         (frv_expand_mwtacc_builtin): Ditto.
465         (frv_expand_builtin): Remove usage of CALL_EXPR_ARGS, update
466         calls for above.
468 2007-02-20  Janis Johnson  <janis187@us.ibm.com>
470         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcmpb and -mdfp.
471         * configure.ac (HAVE_GAS_CMPB): Check for assembler support of the
472         cmpb instruction.
473         (HAVE_GAS_DFP): Check for assembler support of decimal floating
474         point instructions.
475         * configure: Regenerate.
476         * config.in: Regenerate.
477         * config/rs6000/rs6000.opt (mcmpb, mdfp): New.
478         * config/rs6000/rs6000.c (rs6000_override_options): Add CMPB and DFP
479         masks to power6 and power6x and to POWERPC_MASKS.
480         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
481         _ARCH_PWR6.
482         * config/rs6000/rs6000.h: Check assembler support for CMPB and DFP.
483         * config/rs6000/sysv4.opt (mprototype): Use variable, not mask.
484         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
485         Access PROTOTYPE as variable, not mask.
487 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
489         * rtl.h (remove_reg_equal_equiv_notes): New prototype.
490         * rtlanal.c (remove_reg_equal_equiv_notes): New function.
491         * combine.c (adjust_for_new_dest): Use it.
492         * postreload.c (reload_combine): Likewise.
494 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
496         * rtlanal.c (find_reg_equal_equiv_note): Do not find REG_EQ*
497         notes on an insn with multiple sets, even if single_set returns
498         non-NULL for that insn.
500 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
502         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle scalb,
503         scalbn and scalbln.
505 2007-02-20  Geoffrey Keating  <geoffk@apple.com>
507         * config/darwin.h (LINK_SPEC): Default -mmacosx-version-min only
508         if user didn't pass it.
509         * config/i386/darwin.h (CC1_SPEC): Likewise.
510         * config/rs6000/darwin.h (CC1_SPEC): Likewise.
511         (DARWIN_MINVERSION_SPEC): Don't depend on user's setting of
512         -mmacosx-version-min.
514 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
515             Uros Bizjak  <ubizjak@gmail.com>
517         * optabs.h (enum optab_index): Add new OTI_scalb.
518         (scalb_optab): Define corresponding macro.
519         * optabs.c (init_optabs): Initialize scalb_optab.
520         * genopinit.c (optabs): Implement scalb_optab using scalb?f3
521         patterns.
522         * builtins.c (expand_builtin_mathfn_2, expand_builtin): Handle
523         BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L} and BUILT_IN_SCALBLN{,F,L}.
524         (expand_builtin): Expand BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L}
525         and BUILT_IN_SCALBLN{,F,L} using expand_builtin_mathfn_2 if
526         flag_unsafe_math_optimizations is set.
528         * config/i386/i386.md (scalbxf3, scalb<mode>3): New expanders
529         to implement scalbf, scalb and scalbl built-ins as inline x87
530         intrinsics.
532 2007-02-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
533             DJ Delorie <dj@redhat.com>
535         PR other/30824
536         * diagnostic.c (diagnostic_count_diagnostic): Move -Werror logic to...
537         (diagnostic_report_diagnostic): ... here, and turn them into real
538         errors. If warnings are inhibited, no need to do anything.
540 2007-02-20  Uros Bizjak  <ubizjak@gmail.com>
542         * config/i386/i386.md (expm1xf2): Reorder insn sequence for
543         better code generation.
545 2007-02-20  Ben Elliston  <bje@au.ibm.com>
547         * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove extra ;.
549 2007-02-20  Kazu Hirata  <kazu@codesourcery.com>
551         * config/alpha/alpha.c, config/alpha/alpha.md,
552         config/alpha/lib1funcs.asm, config/alpha/vms-crt0-64.c,
553         config/alpha/vms-psxcrt0-64.c, config/arc/arc.c,
554         config/arc/arc.h, config/arm/arm.c, config/arm/arm.md,
555         config/arm/lib1funcs.asm: Follow spelling conventions.
557         * config/c4x/c4x.md, config/cris/cris.c, config/crx/crx.c,
558         config/fr30/fr30.md, config/i386/i386.h,
559         config/iq2000/iq2000.h, config/iq2000/predicates.md,
560         config/pa/milli64.S, config/pa/pa.c, config/pa/pa.h,
561         config/pa/pa.md, config/pa/pa32-regs.h, config/pa/pa64-regs.h,
562         config/pdp11/pdp11.c, config/pdp11/pdp11.h,
563         config/rs6000/altivec.md, config/rs6000/rs6000.c,
564         config/s390/s390-modes.def, config/sparc/netbsd-elf.h,
565         config/sparc/sparc.c, config/sparc/sparc.h,
566         config/sparc/sparc.md, config/spu/constraints.md,
567         config/spu/spu.c, config/stormy16/stormy16.md: Follow spelling
568         conventions.
570 2007-02-20  Alan Modra  <amodra@bigpond.net.au>
572         PR target/29943
573         * varasm.c (use_blocks_for_decl_p): Return false for decls with
574         alias attribute.
576 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
578         * doc/invoke.texi (-ftree-lrs): Remove.
580 2007-02-19  Diego Novillo  <dnovillo@redhat.com>
582         * tree-ssa-pre.c (create_value_expr_from): Initialize POOL to
583         NULL.
585 2007-02-19  Lee Millward  <lee.millward@codesourcery.com>
587         * config/ia64/ia64.c (ia64_expand_builtin): Use the
588         new CALL_EXPR_FN macro for retrieving the function
589         declaration of the input expression.
591 2007-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
593         * c.opt (Waddress): New.
594         * common.opt (Walways-true): Delete.
595         (Wstring-literal-comparison): Delete.
596         * doc/invoke.texi (Warning Options): Delete -Walways-true and
597         -Wstring-literal-comparison. Add -Waddress.
598         (Waddress): New.
599         (Walways-true): Delete.
600         (Wstring-literal-comparison): Delete.
601         * doc/extend.texi (#pragma GCC diagnostic): Use -Wformat
602         consistently instead of -Walways-true in example.
603         * c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall.
604         * c-typeck.c (parser_build_binary_op): Replace
605         -Wstring-literal-comparison and -Walways-true with -Waddress.
606         * c-common.c (c_common_truthvalue_conversion): Replace -Walways-true
607         with -Waddress.
609 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
611         * tree-cfg.c (dump_function_to_file): Be prepared for functions
612         without DECL_STRUCT_FUNCTION initialized.
614 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
616         * gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap
617         due to calls to functions taking pointers as parameters.
619 2007-02-19  Richard Henderson  <rth@redhat.com>
621         PR debug/29558
622         * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
623         in memory.
625 2007-02-19  Andreas Krebbel  <krebbel1@de.ibm.com>
627         * config/s390/s390.c (s390_call_saved_register_used,
628         s390_function_ok_for_sibcall): Adjust the way CALL_EXPR arguments are
629         accessed to the new scheme.
631 2007-02-19  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
633         * config/cris/cris.c (cris_movem_load_rest_p, cris_store_multiple_op_p)
634         (cris_print_index, cris_print_operand, cris_print_operand_address)
635         (cris_reload_address_legitimized, cris_rtx_costs, cris_address_cost)
636         (cris_side_effect_mode_ok, cris_valid_pic_const, cris_split_movdx)
637         (cris_expand_pic_call_address): Use xxx_P predicate macros instead of
638         GET_CODE () == xxx.
639         * config/cris/cris.h (SECONDARY_RELOAD_CLASS, EXTRA_CONSTRAINT_Q,
640         EXTRA_CONSTRAINT_T, BDAP_INDEX_P, BIAP_INDEX_P, SIMPLE_ADDRESS_P,
641         GO_IF_LEGITIMATE_ADDRESS): Ditto.
642         * config/cris/cris.md (define_insns: *btst, movdi, *mov_side<mode>)
643         (*mov_sidesisf, *mov_side<mode>_mem, *mov_sidesisf_mem)
644         (*clear_side<mode>, movsi, *movsi_internal, *ext_sideqihi)
645         (*ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>, addsi3)
646         (*extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side)
647         (*extop<mode>si_swap_side, addi_mul, *addi,andsi3, andhi3, ashl<mode>3)
648         (uminsi3, call, call_value): Ditto.
649         (define_split: indir_to_reg_split, unnamed): Ditto.
651 2007-02-19  Dorit Nuzman  <dorit@il.ibm.com>
653         PR tree-optimization/30975
654         * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove
655         wrong assert.
657 2007-02-18  Eric Christopher  <echristo@gmail.com>
659         * mips.c (mips_prepare_builtin_arg): Add argnum parameter.
660         Remove use of arglist.
661         (mips_expand_builtin): Remove use of arglist, pass in expr.
662         (mips_expand_builtin_direct): Rewrite handling for arglist removal.
663         (mips_expand_builtin_movtf): Ditto.
664         (mips_expand_builtin_compare): Ditto.
666 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
668         * tree-sra.c (sra_build_assignment): Replace assertion
669         checking with a comment explaining why it can't be done.
671 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
673         PR middle-end/30833
674         * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed
675         during CALL_EXPR representation conversion.
676         * tree-ssa-propagate.c (set_rhs): Likewise.
678 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
680         * tree-sra.c (sra_build_assignment): Disable assertion checking
681         for now.
683 2007-02-18  Roger Sayle  <roger@eyesopen.com>
685         * function.c (gimplify_parameters): Call build_gimple_modify_stmt
686         instead of calling build2 with a GIMPLE_MODIFY_STMT.
687         * gimple-low.c (lower_function_body, lower_builtin_setjmp):
688         Likewise.
689         * gimplify.c (build_stack_save_restore, gimplify_return_expr,
690         gimplify_decl_expr,  gimplify_self_mod_expr, gimplify_cond_expr,
691         gimplify_init_ctor_eval_range, gimple_push_cleanup,
692         gimplify_omp_for, gimplify_omp_atomic_pipeline,
693         gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos,
694         force_gimple_operand): Likewise.
695         * ipa-cp.c (constant_val_insert): Likewise.
696         * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
697         lambda_loopnest_to_gcc_loopnest, replace_uses_equiv_to_x_with_y,
698         perfect_nestify): Likewise.
699         * langhooks.c (lhd_omp_assignment): Likewise.
700         * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses,
701         lower_copyprivate_clauses, lower_send_clauses,
702         lower_send_shared_vars, expand_parallel_call,
703         expand_omp_for_generic, expand_omp_for_static_nochunk,
704         expand_omp_for_static_chunk, expand_omp_sections,
705         lower_omp_single_copy, lower_omp_for_lastprivate,
706         lower_omp_parallel, init_tmp_var, save_tmp_var): Likewise.
707         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
708         tree_mod_subtract, tree_ic, tree_stringop_fixed_value):
709         Likewise.
711 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
713         * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h,
714         config/sh/sh.md: Follow spelling conventions.
716         * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md,
717         config/frv/predicates.md: Follow spelling conventions.
719         * config/m68k/linux-unwind.h: Fix a comment typo.
720         * target.h: Follow spelling conventions.
722 2007-02-18  Roger Sayle  <roger@eyesopen.com>
724         PR rtl-optimization/28173
725         * simplify-rtx.c (simplify_binary_operation_1) <IOR>:  Optimize
726         (X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects.
727         Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0.
728         Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2.
729         <AND>: Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2).
731 2007-02-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
733         * builtins.c (fold_builtin_load_exponent): New.
734         (fold_builtin_2): Use it.
736 2007-02-18  Steven Bosscher  <steven@gcc.gnu.org>
738         PR rtl-optimization/30773
739         * local-alloc.c (update_equiv_regs): Do not set reg_equiv_init
740         if we fail to attach a REG_EQUIV note.
742 2007-02-18  David Edelsohn  <edelsohn@gnu.org>
743             Roger Sayle  <roger@eyesopen.com>
745         * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter.
747 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
749         * calls.c (initialize_argument_information): Pass original EXP
750         and STRUCT_VALUE_ADDR_VALUE instead of a list of arguments.  Move
751         code to split complex arguments here, as part of initializing the
752         ARGS array.
753         (expand_call): Remove code that builds a list of arguments and
754         inserts implicit arguments into it.  Instead, just count how many
755         implicit arguments there will be so we can determine the size of
756         the ARGS array, and let initialize_argument_information do the work.
757         (split_complex_values): Delete unused function.
759 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
761         * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.
763 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
765         * calls.c (mem_overlaps_already_clobbered_arg_p): Return true
766         for arg pointer based indexed addressing.
768 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
770         * config/ia64/ia64.h, config/ia64/ia64.md,
771         config/ia64/predicates.md, config/ia64/sysv4.h: Follow
772         spelling conventions.
774 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
776         * config/m68k/m68k.c (split_di): New.
777         * config/m68k/m68k-protos.h: Declare split_di.
778         * config/m68k/m68k.md (extendsidi2*,ashldi3*,ashrdi3*,lshrdi3*):
779           Improve predicate handling and split constant shifts.
781 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
783         * config/m68k/m68k.md (extv,extzv,insv): disable dynamic
784         parameter for register bitfield operations, general predicates
785         cleanup
787 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
789         * config/m68k/linux.h (MD_UNWIND_SUPPORT): Define.
790         * config/m68k/linux-unwind.h: New file.
792 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
794         * cfgloop.c, config/alpha/alpha.c, config/bfin/bfin.c,
795         config/i386/athlon.md, config/ia64/ia64.md,
796         config/rs6000/rs6000.c, config/s390/s390.c, config/spu/spu.md,
797         df-problems.c, df.h, fold-const.c, ipa-cp.c, ipa-inline.c,
798         ipa-prop.h, see.c, struct-equiv.c, tree-inline.c,
799         tree-ssa-loop-niter.c, tree-vect-analyze.c,
800         tree-vect-transform.c: Fix comment typos.
802 2007-02-17  Kazu Hirata  <kazu@codesourcery.com>
804         * sched-deps.c (find_insn_list): Remove.
805         * sched-int.h: Remove the prototype for find_insn_list.
807 2007-02-16  Geoffrey Keating  <geoffk@apple.com>
809         * config/darwin.h (LINK_SPEC): Always pass -macosx_version_min
810         to linker.
811         (DARWIN_EXTRA_SPECS): Add %(darwin_minversion).
812         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Just call
813         darwin_rs6000_override_options.
814         (C_COMMON_OVERRIDE_OPTIONS): Expect
815         darwin_macosx_version_min to be non-NULL always.
816         (TARGET_C99_FUNCTIONS): Likewise.
817         (CC1_SPEC): Always pass -mmacosx-version-min to cc1*.
818         (DARWIN_MINVERSION_SPEC): New.
819         * config/rs6000/rs6000.c (darwin_rs6000_override_options): New.
820         * config/i386/darwin.h (CC1_SPEC): Always pass -mmacosx-version-min
821         to cc1*.
822         (DARWIN_MINVERSION_SPEC): New.
823         * config/darwin.opt (mmacosx-version-min): Initialize to non-NULL
824         value.
825         * config/darwin-c.c (darwin_cpp_builtins): Expect
826         darwin_macosx_version_min to be non-NULL always.
828         * config/rs6000/rs6000.c: Clean up trailing whitespace.
830 2007-02-16  Uros Bizjak  <ubizjak@gmail.com>
832         * config/i386/i386.h (x86_use_xchgb): New.
833         (TARGET_USE_XCHGB): New macro.
834         * config/i386/i386.c (x86_use_xchgb): Set for PENT4.
835         * config/i386/i386.md (*rotlhi3_1 splitter, *rotrhi3_1 splitter):
836         Split after reload into bswaphi for shifts of 8.
837         (bswaphi_lowpart): Generate rolw insn for HImode byte swaps.
838         (*bswaphi_lowpart_1): Generate xchgb for Q registers for TARGET_XCHGB
839         or when optimizing for size.
841 2007-02-16  Richard Guenther  <rguenther@suse.de>
842             Christian Bruel  <christian.bruel@st.com>
844         * fold-const.c (tree_swap_operands_p): Treat SSA_NAMEs like
845         DECLs but prefer SSA_NAMEs over DECLs.
847 2007-02-16  Richard Guenther  <rguenther@suse.de>
849         * tree-flow-inline.h (single_imm_use_p): Remove.
850         (zero_imm_uses_p): Likewise.
851         * tree-ssa-coalesce.c (create_outofssa_var_map): Use has_single_use
852         instead of single_imm_use_p.
853         * tree-cfg.c (replace_uses_by): Use has_zero_use instead of
854         zero_imm_uses_p.
856 2007-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
858         PR other/27843
859         * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid
860         nested double- and backquotes.
862 2007-02-15  Roger Sayle  <roger@eyesopen.com>
864         PR middle-end/30391
865         * tree.c (expr_align): Handle MODIFY_EXPR.  GIMPLE_MODIFY_STMT
866         should be unreachable.
867         (build2_stat): Allow construction of MODIFY_EXPR at any time.
868         For the time being redirect GIMPLE_MODIFY_STMT to the new
869         (renamed) build_gimple_modify_stmt_stat.
870         (build2_gimple_stat): Rename to...
871         (build_gimple_modify_stmt_stat): Now longer take a CODE argument.
872         Always build a GIMPLE_MODIFY_STMT node.
873         * tree.h (build2_gimple, build2_gimple_stat): Delete.
874         (build_gimple_modify_stmt, build_gimple_modify_stmt_stat): New
875         declarations.
877         * tree-cfg.c (factor_computed_gotos, tree_merge_blocks,
878         gimplify_val): Use build_gimple_modify_stmt instead of build2_gimple.
879         * tree-complex.c (set_component_ssa_name, expand_complex_move,
880         expand_complex_div_wide): Likewise.
881         * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
882         * tree-ssa-loop-im.c (schedule_sm): Likewise.
883         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Likewise.
884         * tree-ssa-loop-manip.c (create_iv): Likewise.
885         * tree-ssa-phiopt.c (conditional_replacement, minmax_replacement,
886         abs_replacement): Likewise.
887         * tree-ssa-pre.c (create_expression_by_pieces, poolify_modify_stmt,
888         realify_fake_stores): Likewise.
890         * builtins.c (std_expand_builtin_va_start): Build a MODIFY_EXPR
891         node rather than a GIMPLE_MODIFY_STMT node.
892         (std_gimpify_va_arg_expr, expand_builtin_va_copy,
893         fold_builtin_memset, fold_builtin_memory_op, do_mpfr_sincos):
894         Likewise.
895         (integer_valued_real_p): Handle MODIFY_EXPR, not GIMPLE_MODIFY_STMT.
896         * expr.c (expand_expr_real_1): Handle both MODIFY_EXPR and
897         GIMPLE_MODIFY_STMT.
899 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
901         PR middle-end/30433
902         * fold-const.c (fold_comparison): Add back the
903         folding of constant complex comparisions.
905 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
907         PR middle-end/30729
908         * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
909         effects unknown to this function, return early.
911 2007-02-15  Ian Lance Taylor  <iant@google.com>
913         * lower-subreg.c (move_eh_region_note): New static function.
914         (resolve_simple_move): Call it.
915         (decompose_multiword_subregs): Track blocks for which we resolve a
916         simple move which is also a control flow insn.  Pass them to
917         find_many_sub_basic_blocks.
918         (pass_lower_subreg): Add TODO_verify_flow.
919         (pass_lower_subreg2): Likewise.
921 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
922             Brooks Moses  <brooks.moses@codesourcery.com>
923             Lee Millward  <lee.millward@codesourcery.com>
925         * tree.h (enum tree_code_class): Add tcc_vl_exp.
926         (VL_EXP_CLASS_P): New.
927         (TREE_OPERAND_CHECK): Use TREE_OPERAND_LENGTH instead of
928         TREE_CODE_LENGTH.
929         (TREE_OPERAND_CHECK_CODE): Likewise.
930         (GIMPLE_STMT_OPERAND_CHECK): Likewise.
931         (TREE_RTL_OPERAND_CHECK): Likewise.
932         (tree_operand_check_failed): Make second parameter the whole tree
933         instead of its code.  Fixed callers.
934         (VL_EXP_CHECK): New.
935         (TREE_OPERAND_LENGTH): New.
936         (VL_EXP_OPERAND_LENGTH): New.
937         (CALL_EXPR_FN): New.
938         (CALL_EXPR_STATIC_CHAIN): New.
939         (CALL_EXPR_ARGS): New.
940         (CALL_EXPR_ARG): New.
941         (call_expr_nargs): New.
942         (CALL_EXPR_ARGP): New.
943         (build_nt_call_list): Declare.
944         (build_vl_exp_stat): Declare.
945         (build_vl_exp): New.
946         (build_call_list): Declare.
947         (build_call_nary): Declare.
948         (build_call_valist): Declare.
949         (build_call_array): Declare.
950         (call_expr_arg): Declare.
951         (call_expr_argp): Declare.
952         (call_expr_arglist): Declare.
953         (fold_build_call_list): Declare.
954         (fold_build_call_list_initializer): Declare.
955         (fold_call_expr): Declare to replace fold_builtin.
956         (fold_builtin_fputs): Update to agree with modified definition.
957         (fold_builtin_strcpy): Likewise.
958         (fold_builtin_strncpy): Likewise.
959         (fold_builtin_memory_chk): Likewise.
960         (fold_builtin_stxcpy_chk): Likewise.
961         (fold_builtin_strncpy_chk): Likewise.
962         (fold_builtin_next_arg): Likewise.
963         (fold_build_call_expr): Declare.
964         (fold_builtin_call_list): Declare.
965         (fold_builtin_call_valist): Declare.
966         (build_call_expr): Declare.
967         (validate_arglist): Update to agree with modified definition.
968         (tree_operand_length): New.
969         (call_expr_arg_iterator): New.
970         (init_call_expr_arg_iterator): New.
971         (next_call_expr_arg): New.
972         (first_call_expr_arg): New.
973         (more_call_expr_args_p): New.
974         (FOR_EACH_CALL_EXPR_ARG): New.
976         * tree.c (tree_code_class_string): Add entries for tcc_vl_exp
977         and tcc_gimple_stmt.
978         (tree_code_size): Update documentation.  Use sizeof (tree) rather
979         than sizeof (char *).
980         (tree_size): Likewise.  Add case for tcc_vl_exp.
981         (tree_node_structure): Add case for tcc_vl_exp.
982         (contains_placeholder_p): Likewise.
983         (substitute_in_expr): Likewise.
984         (substitute_placeholder_in_expr): Likewise.
985         (stabilize_reference_1): Likewise.
986         (build3_stat): Remove logic for CALL_EXPRs.  Replace with assertion
987         to diagnose breakage of this interface for constructing CALL_EXPRs.
988         (build_nt): Add similar assertion here.
989         (build_nt_call_list): New.
990         (simple_cst_equal) <CALL_EXPR>: Rewrite to use new accessors.
991         (iterative_hash_expr): Use TREE_OPERAND_LENGTH instead of
992         TREE_CODE_LENGTH.
993         (get_callee_fndecl): Use new CALL_EXPR accessors.
994         (tree_operand_check_failed): Change parameters to pass entire node
995         instead of its code, so that we can call TREE_OPERAND_LENGTH on it.
996         (process_call_operands): New.
997         (build_vl_exp_stat): New.
998         (build_call_list): New.
999         (build_call_nary): New.
1000         (build_call_valist): New.
1001         (build_call_array): New.
1002         (walk_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1003         (call_expr_arglist): New.
1005         * tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use
1006         tcc_vl_exp instead of a fixed-size tcc_expression.
1008         * doc/c-tree.texi (CALL_EXPR): Document new representation and
1009         accessors for CALL_EXPRs.
1010         (AGGR_INIT_EXPR): Likewise.
1012 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
1013             Brooks Moses  <brooks.moses@codesourcery.com>
1014             Lee Millward  <lee.millward@codesourcery.com>
1016         * builtins.c (c_strlen): Return NULL_TREE instead of 0.
1017         (expand_builtin_nonlocal_goto): Change parameter to be entire
1018         CALL_EXPR instead of an arglist.  Use new CALL_EXPR accessors.
1019         (expand_builtin_prefetch): Likewise.
1020         (expand_builtin_classify_type): Likewise.
1021         (mathfn_built_in): Return NULL_TREE instead of 0.
1022         (expand_errno_check): Use new CALL_EXPR accessors.
1023         (expand_builtin_mathfn): Use new CALL_EXPR accessors and constructors.
1024         Return NULL_RTX instead of 0.
1025         (expand_builtin_mathfn_2): Likewise.
1026         (expand_builtin_mathfn_3): Likewise.
1027         (expand_builtin_interclass_mathfn): Likewise.
1028         (expand_builtin_sincos): Likewise.
1029         (expand_builtin_cexpi): Likewise.
1030         (expand_builtin_int_roundingfn): Likewise.
1031         (expand_builtin_int_roundingfn_2): Likewise.
1032         (expand_builtin_pow): Likewise.
1033         (expand_builtin_powi): Likewise.
1034         (expand_builtin_strlen): Pass entire CALL_EXPR as parameter instead
1035         of arglist, fixing callers appropriately.  Use new CALL_EXPR
1036         accessors and constructors.  Return NULL_RTX instead of 0.
1037         (expand_builtin_strstr): Likewise.
1038         (expand_builtin_strchr): Likewise.
1039         (expand_builtin_strrchr): Likewise.
1040         (expand_builtin_strpbrk): Likewise.
1041         (expand_builtin_memcpy): Likewise.
1042         (expand_builtin_mempcpy): Likewise.
1043         (expand_builtin_mempcpy_args): New.
1044         (expand_builtin_memmove): Similarly to expand_builtin_mempcpy.
1045         (expand_builtin_memmove_args): New.
1046         (expand_builtin_bcopy): Similarly to expand_builtin_mempcpy.
1047         (expand_movstr): Likewise.
1048         (expand_builtin_strcpy): Likewise.
1049         (expand_builtin_strcpy_args): New.
1050         (expand_builtin_stpcpy): Similarly to expand_builtin_strcpy.
1051         (expand_builtin_strncpy): Likewise.
1052         (expand_builtin_memset): Likewise.
1053         (expand_builtin_memset_args): New.
1054         (expand_builtin_bzero): Similarly to expand_builtin_memset.
1055         (expand_builtin_memcmp): Likewise.
1056         (expand_builtin_strcmp): Likewise.
1057         (expand_builtin_strncmp): Likewise.
1058         (expand_builtin_strcat): Likewise.
1059         (expand_builtin_strncat): Likewise.
1060         (expand_builtin_strspn): Likewise.
1061         (expand_builtin_strcspn): Likewise.
1062         (expand_builtin_args_info): Likewise.
1063         (expand_builtin_va_start): Likewise.
1064         (gimplify_va_arg_expr): Likewise.
1065         (expand_builtin_va_end): Likewise.
1066         (expand_builtin_va_copy): Likewise.
1067         (expand_builtin_frame_address): Likewise.
1068         (expand_builtin_alloca): Likewise.
1069         (expand_builtin_bswap): Likewise.
1070         (expand_builtin_unop): Likewise.
1071         (expand_builtin_fputs): Likewise.
1072         (expand_builtin_expect): Likewise.
1073         (expand_builtin_fabs): Likewise.
1074         (expand_builtin_copysign): Likewise.
1075         (expand_builtin_printf): Likewise.
1076         (expand_builtin_fprintf): Likewise.
1077         (expand_builtin_sprintf): Likewise.
1078         (expand_builtin_init_trampoline): Likewise.
1079         (expand_builtin_signbit): Likewise.
1080         (expand_builtin_fork_or_exec): Likewise.
1081         (expand_builtin_sync_operation): Likewise.
1082         (expand_builtin_compare_and_swap): Likewise.
1083         (expand_builtin_lock_test_and_set): Likewise.
1084         (expand_builtin_lock_release): Likewise.
1085         (expand_builtin): Likewise.
1086         (builtin_mathfn_code): Likewise.
1088         (fold_builtin_constant_p): Pass call arguments individually instead
1089         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
1090         accessors and constructors.  Return NULL_TREE instead of 0.
1091         (fold_builtin_expect): Likewise.
1092         (fold_builtin_classify_type): Likewise.
1093         (fold_builtin_strlen): Likewise.
1094         (fold_builtin_nan): Likewise.
1095         (integer_valued_real_p): Likewise.
1096         (fold_trunc_transparent_mathfn): Likewise.
1097         (fold_fixed_mathfn): Likewise.
1098         (fold_builtin_cabs): Likewise.
1099         (fold_builtin_sqrt): Likewise.
1100         (fold_builtin_cbrt): Likewise.
1101         (fold_builtin_cos): Likewise.
1102         (fold_builtin_cosh): Likewise.
1103         (fold_builtin_tan): Likewise.
1104         (fold_builtin_sincos): Likewise.
1105         (fold_builtin_cexp): Likewise.
1106         (fold_builtin_trunc): Likewise.
1107         (fold_builtin_floor): Likewise.
1108         (fold_builtin_ceil): Likewise.
1109         (fold_builtin_round): Likewise.
1110         (fold_builtin_int_roundingfn): Likewise.
1111         (fold_builtin_bitop): Likewise.
1112         (fold_builtin_bswap): Likewise.
1113         (fold_builtin_logarithm): Likewise.
1114         (fold_builtin_hypot): Likewise.
1115         (fold_builtin_pow): Likewise.
1116         (fold_builtin_powi): Likewise.
1117         (fold_builtin_exponent): Likewise.
1118         (fold_builtin_memset): Likewise.
1119         (fold_builtin_bzero): Likewise.
1120         (fold_builtin_memory_op): Likewise.
1121         (fold_builtin_bcopy): Deleted; call site changed to invoke
1122         fold_builtin_memory_op directly.
1123         (fold_builtin_strcpy): Similarly as for fold_builtin_memory_op.
1124         (fold_builtin_strncpy): Likewise.
1125         (fold_builtin_memcmp): Likewise.
1126         (fold_builtin_strcmp): Likewise.
1127         (fold_builtin_strncmp): Likewise.
1128         (fold_builtin_signbit): Likewise.
1129         (fold_builtin_copysign): Likewise.
1130         (fold_builtin_isascii): Likewise.
1131         (fold_builtin_toascii): Likewise.
1132         (fold_builtin_isdigit): Likewise.
1133         (fold_builtin_fabs): Likewise.
1134         (fold_builtin_abs): Likewise.
1135         (fold_builtin_fmin_fmax): Likewise.
1136         (fold_builtin_carg): Likewise.
1137         (fold_builtin_classify): Likewise.
1138         (fold_builtin_unordered_cmp): Likewise.
1140         (fold_builtin_0, fold_builtin_2, fold_builtin_3, fold_builtin_4):
1141         New functions split out from fold_builtin_1.
1142         (fold_builtin_n): New.
1143         (fold_builtin_varargs): New.
1144         (fold_builtin): Deleted.  Most callers changed to use fold_call_expr
1145         instead.
1146         (fold_call_expr): New.
1147         (build_function_call_expr): Rewrite to use new helper function.
1148         (fold_builtin_call_list): New.
1149         (build_call_expr): New.
1150         (fold_builtin_call_valist): New.
1151         (rewrite_call_expr): New.
1152         (validate_arg): New.
1153         (validate_arglist): Change parameter to be entire CALL_EXPR instead
1154         of an arglist.  Change return type to bool.  Use new CALL_EXPR
1155         accessors.
1157         (fold_builtin_strstr):  Pass call arguments individually instead
1158         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
1159         accessors and constructors.  Return NULL_TREE instead of 0.
1160         (fold_builtin_strchr): Likewise.
1161         (fold_builtin_strrchr): Likewise.
1162         (fold_builtin_strpbrk): Likewise.
1163         (fold_builtin_strcat): Likewise.
1164         (fold_builtin_strncat): Likewise.
1165         (fold_builtin_strspn): Likewise.
1166         (fold_builtin_strcspn): Likewise.
1167         (fold_builtin_fputs): Likewise.
1168         (fold_builtin_next_arg): Likewise.
1169         (fold_builtin_sprintf): Likewise.
1171         (expand_builtin_object_size): Use new CALL_EXPR accessors.  Use
1172         NULL_RTX instead of 0.
1173         (expand_builtin_memory_chk): Likewise.
1174         (maybe_emit_chk_warning): Likewise.
1175         (maybe_emit_sprintf_chk_warning): Likewise.
1177         (fold_builtin_object_size): Pass call arguments individually instead
1178         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
1179         accessors and constructors.  Return NULL_TREE instead of 0.
1180         (fold_builtin_memory_chk): Likewise.
1181         (fold_builtin_stxcpy_chk): Likewise.
1182         (fold_builtin_strncpy_chk): Likewise.
1183         (fold_builtin_strcat_chk): Likewise.
1184         (fold_builtin_strcat_chk): Likewise.
1185         (fold_builtin_strncat_chk): Likewise.
1186         (fold_builtin_sprintf_chk): Likewise.
1187         (fold_builtin_snprintf_chk): Likewise.
1188         (fold_builtin_printf): Likewise.
1189         (fold_builtin_vprintf): Likewise.
1191         * fold-const.c (negate_expr_p): Use new CALL_EXPR accessors and
1192         constructors.
1193         (operand_equal_p): Add separate tcc_vl_exp/CALL_EXPR case.
1194         (make_range): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1195         (extract_muldiv_1): Add VL_EXP_CLASS_P case.
1196         (fold_mathfn_compare): Use new CALL_EXPR accessors and constructors.
1197         (fold_unary): Likewise.
1198         (fold_binary): Likewise.
1199         (fold_ternary): Remove CALL_EXPR case, since they are no longer
1200         ternary expressions.
1201         (fold): Add logic for tcc_vl_exp.
1202         (fold_checksum_tree):  Make it know about tcc_vl_exp.  Use
1203         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1204         (fold_build3_stat): Add assertion to flag broken interface for
1205         constructing CALL_EXPRs.
1206         (fold_build_call_list): New.
1207         (fold_build_call_list_initializer): New.
1208         (tree_expr_nonnegative_p): Use new CALL_EXPR accessors and
1209         constructors.
1210         (fold_strip_sign_ops): Likewise.
1212 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
1213             Brooks Moses  <brooks.moses@codesourcery.com>
1214             Lee Millward  <lee.millward@codesourcery.com>
1216         * tree-dump.c (dequeue_and_dump) <CALL_EXPR>: Use new CALL_EXPR
1217         accessors and dump arguments explicitly.
1219         * tree-pretty-print.c (do_niy): Use TREE_OPERAND_LENGTH instead of
1220         TREE_CODE_LENGTH.
1221         (dump_generic_node): Use new CALL_EXPR accessors and walk arguments
1222         explicitly.
1223         (print_call_name): Use new CALL_EXPR accessors.
1225         * print-tree.c (print_node): Add case tcc_vl_exp.  Print
1226         CALL_EXPR arguments explicitly instead of as a list.  Use
1227         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1229         * tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors.
1230         (vrp_visit_stmt): Likewise.
1232         * tree-ssa-loop-im.c (outermost_invariant_loop_expr):  Make it
1233         know about tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of
1234         TREE_CODE_LENGTH.
1235         (force_move_till_expr): Likewise.
1237         * targhooks.c (default_external_stack_protect_fail): Use
1238         build_call_expr instead of build_function_call_expr.
1239         (default_hidden_stack_protect_fail): Likewise.
1241         * tree-complex.c (expand_complex_libcall): Use build_call_expr to
1242         build the call.
1244         * cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors
1245         and walk arguments explicitly.
1247         * tree-ssa-loop-niter.c (simplify_replace_tree): Use
1248         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1249         (expand_simple_operations): Likewise.
1250         (infer_loop_bounds_from_array): Use new CALL_EXPR accessors.
1252         * gengtype.c (adjust_field_tree_exp): Use TREE_OPERAND_LENGTH instead
1253         of TREE_CODE_LENGTH.
1254         (walk_type): Tweak walking of arrays not to blow up on CALL_EXPRs.
1256         * optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH
1257         instead of TREE_CODE_LENGTH.
1259         * value_prof.c (tree_ic): Use new CALL_EXPR accessors.
1260         (tree_ic_transform): Likewise.
1261         (interesting_stringop_to_profile_p): Pass entire CALL_EXPR as
1262         parameter instead of arglist.  Fix callers.
1263         (tree_stringop_fixed_value): Use new CALL_EXPR accessors.
1264         (tree_stringops_transform): Likewise.
1265         (tree_indirect_call_to_profile): Likewise.
1266         (tree_stringops_values_to_profile): Likewise.
1268         * tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator.
1269         (eliminate_tail_call): Likewise.
1271         * ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors.
1273         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
1274         Use TREE_OPERAND_LENGTH and generalize to handle any number of
1275         operands.
1276         (instantiate_parameters_1): Can't handle tcc_vl_exp here.
1278         * omp-low.c (build_omp_barrier): Use build_call_expr.
1279         (lower_rec_input_clauses): Likewise.
1280         (lower_reduction_clauses): Likewise.
1281         (expand_parallel_call): Likewise.
1282         (maybe_catch_exception): Likewise.
1283         (expand_omp_for_generic): Likewise.
1284         (expand_omp_for_static_nochunk): Likewise.
1285         (expand_omp_sections): Likewise.
1286         (lower_omp_single_simple): Likewise.
1287         (lower_omp_single_copy): Likewise.
1288         (lower_omp_master): Likewise.
1289         (lower_omp_ordered): Likewise.
1290         (lower_omp_critical): Likewise.
1292         * ipa-reference.c (check-call): Use new CALL_EXPR iterator.
1293         (scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR.
1295         * tree-gimple.c (is_gimple_call_addr): Fix doc.
1296         (recalculate_side_effects): Use TREE_OPERAND_LENGTH instead of
1297         TREE_CODE_LENGTH.  Add tcc_vl_exp case.
1299         * tree-chrec.c (chrec_contains_symbols): Use TREE_OPERAND_LENGTH
1300         and generalize to handle any number of operands.
1301         (chrec_contains_undetermined): Likewise.
1302         (tree_contains_chrecs): Likewise.
1303         (evolution_function_is_invariant_rec_p): Use TREE_OPERAND_LENGTH.
1305         * cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors.
1307         * tree-ssa-ccp.c (ccp_fold): Use new CALL_EXPR accessors.  Use
1308         fold_call_expr instead of fold_builtin.
1309         (ccp_fold_builtin): Likewise.  Update calls into builtins.c to
1310         match declarations there.
1311         (fold_stmt): Use new CALL_EXPR constructor and accessors.  Doc
1312         updates.
1314         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use
1315         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1317         * ipa-pure-const.c (check_call): Use new CALL_EXPR accessors.
1318         (scan_function): Add case tcc_vl_exp for CALL_EXPR.
1320         * tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR
1321         accessors.
1323         * tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr.
1324         (execute_cse_sincos): Use new CALL_EXPR accessors.
1326         * tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator.
1328         * gimple-low.c (lower_function_body): Use build_call_expr.
1329         (lower_builtin_setjmp): Likewise.
1331         * expr.c (emit_block_move_via_libcall): Use build_call_expr.
1332         (set_storage_via_libcall): Likewise.
1333         (safe_from_p): Add tcc_vl_exp case.  Use TREE_OPERAND_LENGTH
1334         instead of TREE_CODE_LENGTH.
1335         (expand_expr_real_1): Use new CALL_EXPR accessors.
1337         * tree-browser.c (store_child_info): Use TREE_OPERAND_LENGTH and
1338         generalize to handle any number of operands.
1339         (TB_parent_eq): Likewise.
1341         * predict.c (expr_expected_value): Use new CALL_EXPR accessors.
1342         (strip_builtin_expect): Likewise.
1344         * function.c (gimplify_parameters): Use build_call_expr.
1346         * tree-vectorizer.c (vect_is_simple_reduction): Use TREE_OPERAND_LENGTH
1347         instead of TREE_CODE_LENGTH.
1349         * ipa-type-escape.c (check_call): Use new CALL_EXPR iterators.
1350         (scan_for_refs): Add case tcc_vl_exp for CALL_EXPR.
1352         * tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR
1353         iterators.
1355         * gimplify.c (build_stack_save_restore): Use build_call_expr.
1356         (gimplify_decl_expr): Likewise.
1357         (gimplify_call_expr): Use fold_call_expr instead of fold_builtin.
1358         Use new CALL_EXPR iterators.
1359         (gimplify_modify_expr_to_memcpy): Use build_call_expr.
1360         (gimplify_modify_expr_to_memset): Likewise.
1361         (gimplify_variable_sized_compare): Likewise.
1362         (gimplify_omp_atomic_fetch_op): Likewise.
1363         (gimplify_omp_atomic_pipeline): Likewise.
1364         (gimplify_omp_atomic_mutex): Likewise.
1365         (gimplify_function_tree): Likewise.
1367         * calls.c (alloca_call_p): Use new CALL_EXPR accessors.
1368         (call_expr_flags): Likewise.
1369         (expand_call): Likewise.
1371         * except.c (expand_builtin_eh_return_data_regno): Pass entire
1372         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
1373         accessors.
1375         * coverage.c (create_coverage): Use build_call_expr.
1377         * tree-ssa-pre.c (expression_node_pool, list_node_pool): Delete.
1378         (temp_call_expr_obstack): New.
1379         (pool_copy_list): Delete.
1380         (temp_copy_call_expr): New.
1381         (phi_translate): Add case tcc_vl_exp for CALL_EXPR.  Use new
1382         CALL_EXPR accessors.  Get rid of special goo for copying argument
1383         lists and use temp_copy_call_expr instead.
1384         (valid_in_sets): Add case tcc_vl_exp for CALL_EXPR.  Use new
1385         CALL_EXPR accessors.
1386         (create_expression_by_pieces): Likewise.  Use build_call_array
1387         to construct the result instead of fold_build3.
1388         (create_value_expr_from): Add tcc_vl_exp.  Delete special goo for
1389         dealing with argument lists.
1390         (init_pre): Remove references to expression_node_pool and
1391         list_node_pool.  Init temp_call_expr_obstack instead.
1392         (fini_pre): Remove references to expression_node_pool and
1393         list_node_pool.
1395         * tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors
1396         and walk arguments explicitly instead of as a list.
1398         * tree-mudflap.c (mf_build_check_statement_for): Use build_call_expr.
1399         (mx_register_decls): Likewise.
1400         (mudflap_register_call): Likewise.
1401         (mudflap_finish_file): Likewise.
1403         * ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors.
1404         (ipa_callsite_compute_param): Likewise.
1406         * tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR
1407         accessors and constructor.
1409         * tree-nested.c (convert_nl_goto_reference): Use new CALL_EXPR
1410         accessors and constructor.
1411         (convert_tramp_reference): Likewise.
1412         (convert_call_expr): Likewise.
1413         (finalize_nesting_tree_1): Likewise.
1415         * tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR
1416         accessors.
1418         * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr.
1420         * tree-inline.c (initialize_inlined_parameters): Pass entire
1421         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
1422         accessors.
1423         (estimate_num_insns_1): Use new CALL_EXPR accessors.
1424         (expand_call_inline): Tidy up call to initialize_inlined_parameters.
1426         * tree-vect-transform.c (vect_create_epilog_for_reduction):  Use
1427         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1428         (vectorizable_reduction): Likewise.
1429         (vectorizable_call): Use new CALL_EXPR iterators.
1430         (vectorizable_conversion): Use build_call_expr.
1431         (vectorizable_operation): Use TREE_OPERAND_LENGTH.
1432         (vect_gen_widened_results_half): Use build_call_expr.
1433         (vect_setup_realignment): Likewise.
1434         (vectorizable_live_operation): Use TREE_OPERAND_LENGTH.
1436         * tree-object-size.c (alloc_object_size): Use new CALL_EXPR accessors.
1437         (pass_through_call): Likewise.
1438         (compute_object_sizes): Likewise.  Use fold_call_expr instead of
1439         fold_builtin.
1441         * tree-profile.c (tree_gen_interval_profiler): Use build_call_expr.
1442         (tree_gen_pow2_profiler): Likewise.
1443         (tree_gen_one_value_profiler): Likewise.
1444         (tree_gen_ic_func_profiler): Likewise.
1445         (tree_gen_average_profiler): Likewise.
1446         (tree_gen_ior_profiler): Likewise.
1448         * tree-ssa-structalias.c (get_constraint_for): Add case tcc_vl_exp.
1449         (find_func_aliases): Use new CALL_EXPR accessors.  Add case
1450         tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1452         * tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead
1453         of TREE_CODE_LENGTH.
1455         * stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead
1456         of TREE_CODE_LENGTH.
1458         * convert.c (convert_to_real): Use new CALL_EXPR accessors and
1459         constructor.
1460         (convert_to_integer): Likewise.
1462         * tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR
1463         accessors.
1465 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
1466             Brooks Moses  <brooks.moses@codesourcery.com>
1467             Lee Millward  <lee.millward@codesourcery.com>
1469         * config/alpha/alpha.c (alpha_expand_builtin): Use new CALL_EXPR
1470         accessors.
1471         * config/frv/frv.c (frv_expand_builtin): Likewise.
1472         * config/s390/s390.c (s390_expand_builtin): Likewise.
1474         * config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr.
1475         (sparc_expand_builtin): Use new CALL_EXPR accessors.
1477         * config/i386/i386.c (ix86_function_ok_for_sibcall): Likewise.
1478         (ix86_expand_binop_builtin): Pass entire CALL_EXPR as parameter
1479         instead of arglist.  Use new CALL_EXPR accessors on it.  Fix callers.
1480         (ix86_expand_store_builtin): Likewise.
1481         (ix86_expand_unop_builtin): Likewise.
1482         (ix86_expand_unop1_builtin): Likewise.
1483         (ix86_expand_sse_compare): Likewise.
1484         (ix86_expand_sse_comi): Likewise.
1485         (ix86_expand_vec_init_builtin): Likewise.
1486         (ix86_expand_vec_ext_builtin): Likewise.
1487         (ix86_expand_vec_set_builtin): Likewise.
1488         (ix86_expand_builtin): Use new CALL_EXPR accessors.
1490         * config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors.
1491         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
1493         * config/iq2000/iq2000.c (expand_one_builtin): Pass entire CALL_EXPR
1494         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
1495         (iq2000_expand_builtin): Use new CALL_EXPR accessors.
1497         * config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Use
1498         build_call_expr.
1499         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
1500         (rs6000_expand_unop_builtin): Pass entire CALL_EXPR instead of
1501         arglist.  Use new CALL_EXPR accessors.  Fix callers.
1502         (altivec_expand_abs_builtin): Likewise.
1503         (rs6000_expand_binop_builtin): Likewise.
1504         (altivec_expand_predicate_builtin): Likewise.
1505         (altivec_expand_lv_builtin): Likewise.
1506         (spe_expand_stv_builtin): Likewise.
1507         (altivec_expand_stv_builtin): Likewise.
1508         (rs6000_expand_ternop_builtin): Likewise.
1509         (altivec_expand_ld_builtin): Use new CALL_EXPR accessors.
1510         (altivec_expand_st_builtin): Likewise.
1511         (altivec_expand_dst_builtin): Likewise.
1512         (altivec_expand_vec_init_builtin): Pass entire CALL_EXPR instead of
1513         arglist.  Use new CALL_EXPR accessors.  Fix callers.
1514         (altivec_expand_vec_set_builtin): Likewise.
1515         (altivec_expand_vec_ext_builtin): Likewise.
1516         (altivec_expand_builtin): Use new CALL_EXPR accessors.
1517         (spe_expand_builtin): Likewise.
1518         (spe_expand_predicate_builtin): Pass entire CALL_EXPR instead of
1519         arglist.  Use new CALL_EXPR accessors.  Fix callers.
1520         (spe_expand_evsel_builtin): Likewise.
1521         (rs6000_expand_builtin): Use new CALL_EXPR accessors.  VCFUX and
1522         FCFSX cases must construct whole new CALL_EXPR, not just arglist.
1524         * config/arm/arm.c (arm_expand_binop_builtin): Pass entire CALL_EXPR
1525         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
1526         (arm_expand_unop_builtin): Likewise.
1527         (arm_expand_builtin): Use new CALL_EXPR accessors.
1529         * config/mips/mips.c (mips_expand_builtin):  Use new CALL_EXPR
1530         accessors.
1532         * config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire CALL_EXPR
1533         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
1534         (bfin_expand_unop_builtin): Likewise.
1535         (bfin_expand_builtin): Use new CALL_EXPR accessors.
1537 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
1538             Brooks Moses  <brooks.moses@codesourcery.com>
1539             Lee Millward  <lee.millward@codesourcery.com>
1541         * c-semantics.c (build_stmt): Add internal diagnostic check.
1543         * c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR
1544         accessors.  Print arguments explicitly instead of as a list.
1546         * c-typeck.c (build_function_call): Use new CALL_EXPR constructors.
1548         * c-omp.c (c_finish_omp_barrier): Use build_call_expr.
1549         (c_finish_omp_flish): Likewise.
1551         * c-common.c (verify_tree): Use new CALL_EXPR accessors.  Traverse
1552         arguments explicitly instead of as a list.  Use TREE_OPERAND_LENGTH
1553         instead of TREE_CODE_LENGTH.
1554         (check_function_arguments_recurse): Use new CALL_EXPR accessors.
1555         (c_warn_unused_result): Likewise.
1557 2007-02-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1559         PR c/26494
1560         * doc/invoke.texi (Warning Options): Remove
1561         -Werror-implicit-function-declaration.
1562         (Wimplicit-function-declaration): Update description.
1563         * opts.c (common_handle_option): Move handling of -Werror=* to...
1564         (enable_warning_as_error): ...here.
1565         * opts.h (enable_warning_as_error): Declare.
1566         * c-decl.c (implicit_decl_warning): Unless
1567         -Wno-implicit-function-declaration is given, emit a pedwarn if
1568         -std=c99 or emit a warning if -Wimplicit-function-declaration.
1569         * c.opt (Wimplicit-function-declaration): Replace
1570         mesg_implicit_function_declaration with
1571         warn_implicit_function_declaration.
1572         * c-opts.c (c_common_handle_option):
1573         -Werror-implicit-function-declaration is exactly equal as
1574         -Werror=implicit-function-declaration.
1575         (set_Wimplicit): Replace mesg_implicit_function_declaration with
1576         warn_implicit_function_declaration.
1577         (c_common_post_options): -Wimplict-function-declaration is enabled
1578         by default by -std=c99, otherwise is disabled by default.
1579         * c-objc-common.c (c_objc_common_init): Remove flawed logic.
1581 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
1583         * gimplify.c (gimplify_modify_expr): During gimplification, attach a
1584         DECL on the rhs to a DECL on the lhs for debug info purposes if the
1585         former is ignored but not the latter.
1587 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
1589         * expr.c (expand_expr_real_1) <normal_inner_ref>: If a temporary
1590         is made and the reference doesn't use the alias set of its type,
1591         do not create the temporary using that type.
1593 2007-02-15  Aldy Hernandez  <aldyh@redhat.com>
1595         * jump.c: Remove prototypes for delete_computation and
1596         delete_prior_computation.
1598 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
1600         * jump.c (get_label_after): Delete.
1601         (get_label_before, delete_computation, delete_jump,
1602         delete_prior_computation, follow_jumps): Move...
1603         * reorg.c (delete_computation, delete_prior_computation): ... here...
1604         (get_label_before, delete_jump): ... making these static ...
1605         (follow_jumps): ... and simplifying this since it only runs after
1606         reload.
1607         * rtl.h (get_label_after, get_label_before, delete_jump,
1608         follow_jumps): Delete prototypes.
1610 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
1612         * caller-save.c (save_call_clobbered_regs): Do not process sibcalls.
1614 2007-02-15  Nick Clifton  <nickc@redhat.com>
1616         * varasm.c (default_asm_output_anchor): Prepend * to . symbol in
1617         order to prevent it from being munged by the target.
1619 2007-02-15  Uros Bizjak  <ubizjak@gmail.com>
1621         * config/i386/i386.md: Remove misleading comment.
1623 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1625         * config/frv/frv.md (reload_incc, reload_outcc, reload_incc_uns,
1626         reload_outcc_uns, reload_incc_nz, reload_outcc_nz): Remove
1627         invalid patterns.
1629 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1631         * tree-sra.c (instantiate_missing_elements): Canonicalize
1632         bit-field types.
1633         (sra_build_assignment): New.
1634         (generate_copy_inout, generate_element_copy,
1635         generate_element_zero, generate_one_element_init): Use it.
1637 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1639         * tree-sra.c (instantiate_missing_elements): Canonicalize
1640         bit-field types.
1641         (sra_build_assignment): New.
1642         (generate_copy_inout, generate_element_copy,
1643         generate_element_zero, generate_one_element_init): Use it.
1645 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1647         * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
1648         limbo die nodes.
1650 2007-02-14  Joseph Myers  <joseph@codesourcery.com>
1652         * emit-rtl.c (set_mem_attributes_minus_bitpos): Treat complex
1653         types as aggregates not scalars.
1654         * function.c (assign_stack_temp_for_type): Likewise.
1656 2007-02-14  Roger Sayle  <roger@eyesopen.com>
1657             Zdenek Dvorak  <dvorakz@suse.cz>
1659         * tree-dump.c (dump_switch_p_1): Require exact match of the option
1660         name.
1662 2007-02-14  Zdenek Dvorak  <dvorakz@suse.cz>
1664         * passes.c (next_pass_1): Clear the next field of the copied
1665         pass structure.
1667 2007-02-14  Richard Henderson  <rth@redhat.com>
1669         * tree-sra.c (early_sra): New.
1670         (decl_can_be_decomposed_p): Deny va_list if early_sra.
1671         (tree_sra_early, pass_sra_early): New.
1672         * tree-pass.h (pass_sra_early): Declare.
1673         * passes.c (init_optimization_passes): Use it.
1675 2007-02-14  Richard Guenther  <rguenther@suse.de>
1677         * flags.h (issue_strict_overflow_warning): Convert to a macro.
1679 2007-02-14  Dorit Nuzman  <dorit@il.ibm.com>
1681          PR tree-optimization/30771
1682         * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse
1683         also phi nodes.
1684         (vect_analyze_operations): Induction phis can now be marked as
1685         used_in_loop.
1686         (vect_mark_stmts_to_be_vectorized): No special treatment for phis.
1687         Update documentation accordingly.
1689 2007-02-14  Nick Clifton  <nickc@redhat.com>
1691         * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at
1692         most 3 arguments are supported.
1693         (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description.
1695 2007-02-13  Seongbae Park <seongbae.park@gmail.com>
1697         * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor):
1698         Ensure dst->current is valid.
1700 2007-02-13  Paul Brook  <paul@codesourcery.com>
1702         * config.gcc: Add arm*-*-uclinux-*eabi.
1703         * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define.
1704         (SUBTARGET_EXTRA_LINK_SPEC): Define.
1705         (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling.
1706         (LINK_GCC_C_SEQUENCE_SPEC): Undef.
1707         (LINK_SPEC): Define.
1708         (LIB_SPEC): Define.
1709         * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC
1710         register.
1711         * config/arm/uclinux-eabi.h: New file.
1712         * config/arm/linux-eabi.h (WCHAR_TYPE): Remove.
1713         * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS
1714         based targets.
1716 2007-02-13  Ian Lance Taylor  <iant@google.com>
1718         * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
1719         * flags.h (warn_strict_overflow): Declare.
1720         (enum warn_strict_overflow_code): Define.
1721         (issue_strict_overflow_warning): New static inline function.
1722         * opts.c (warn_strict_overflow): New variable.
1723         (common_handle_option): Handle OPT_Wstrict_overflow and
1724         OPT_Wstrict_overflow_.
1725         * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
1726         OPT_Wall.
1727         * fold-const.c: Include intl.h.
1728         (fold_deferring_overflow_warnings): New static variable.
1729         (fold_deferred_overflow_warning): New static variable.
1730         (fold_deferred_overflow_code): New static variable.
1731         (fold_defer_overflow_warnings): New function.
1732         (fold_undefer_overflow_warnings): New function.
1733         (fold_undefer_and_ignore_overflow_warnings): New function.
1734         (fold_deferring_overflow_warnings_p): New function.
1735         (fold_overflow_warning): New static function.
1736         (make_range): Add strict_overflow_p parameter.  Change all
1737         callers.
1738         (extract_muldiv, extract_muldiv_1): Likewise.
1739         (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
1740         tree_expr_nonnegative_p.
1741         (fold_negate_expr): Call fold_overflow_warning.
1742         (fold_range_test): Likewise.
1743         (fold_comparison): Likewise.
1744         (fold_binary): Likewise.  Call tree_expr_nonnegative_warnv_p
1745         instead of tree_expr_nonnegative_p.
1746         (tree_expr_nonnegative_warnv_p): Rename from
1747         tree_expr_nonnegative_p, add strict_overflow_p parameter.
1748         (tree_expr_nonnegative_p): New function.
1749         (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
1750         strict_overflow_p parameter.
1751         (tree_expr_nonzero_p): New function.
1752         * passes.c (verify_interpass_invariants): New static function.
1753         (execute_one_pass): Call it.
1754         * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
1755         warnings.
1756         (number_of_iterations_exit, loop_niter_by_eval): Likewise.
1757         (estimate_numbers_of_iterations): Likewise.
1758         (scev_probably_wraps_p): Likewise.
1759         * tree-ssa-ccp.c: Include "toplev.h".
1760         (evaluate_stmt): Defer fold overflow warnings until we know we are
1761         going to optimize.
1762         (struct fold_stmt_r_data): Add stmt field.
1763         (fold_stmt_r): Defer fold overflow warnings until we know we
1764         optimized.
1765         (fold_stmt): Initialize stmt field of fold_stmt_r_data.
1766         (fold_stmt_inplace): Likewise.
1767         * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
1768         (cleanup_control_expr_graph): Defer fold overflow warnings until
1769         we know we are going to optimize.
1770         * tree-cfg.c (fold_cond_expr_cond): Likewise.
1771         * tree-ssa-threadedge.c (simplify_control_stmt_condition):
1772         Likewise.
1773         * tree-vrp.c (vrp_expr_computes_nonnegative): Call
1774         tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
1775         * tree-ssa-loop-manip.c (create_iv): Likewise.
1776         * c-typeck.c (build_conditional_expr): Likewise.
1777         (build_binary_op): Likewise.
1778         * tree-vrp.c (vrp_expr_computes_nonzero): Call
1779         tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
1780         (extract_range_from_unary_expr): Likewise.
1781         * simplify-rtx.c (simplify_const_relational_operation): Warn when
1782         assuming that signed overflow does not occur.
1783         * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
1784         * tree.h (tree_expr_nonnegative_warnv_p): Declare.
1785         (fold_defer_overflow_warnings): Declare.
1786         (fold_undefer_overflow_warnings): Declare.
1787         (fold_undefer_and_ignore_overflow_warnings): Declare.
1788         (fold_deferring_overflow_warnings_p): Declare.
1789         (tree_expr_nonzero_warnv_p): Declare.
1790         * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
1791         of warning options.
1792         (Warning Options): Document -Wstrict-overflow.
1793         * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
1794         (tree-ssa-ccp.o): Likewise.
1795         (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
1796         (fold-const.o): Depend on intl.h.
1798 2007-02-13  Ian Lance Taylor  <iant@google.com>
1800         PR middle-end/30751
1801         * lower-subreg.c (resolve_simple_move): Decompose subregs in
1802         addresses.
1804 2007-02-13  Stuart Hastings  <stuart@apple.com>
1806         * gcc/config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
1808 2007-02-13  Richard Henderson  <rth@redhat.com>
1810         * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
1811         handled_component_p before looking for the indirect_ref.
1813 2007-02-13  Richard Henderson  <rth@redhat.com>
1815         * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
1816         remove flags clobber.
1817         (bswapsi2): New expander, emit code for !TARGET_BSWAP.
1818         (bswaphi_lowpart): New.
1819         (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
1820         remove TARGET_BSWAP test.  Delete expander of the same name.
1822         * optabs.c (widen_bswap, expand_doubleword_bswap): New.
1823         (expand_unop): Use them.
1825 2007-02-13  Uros Bizjak  <ubizjak@gmail.com>
1827         * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1,
1828         *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
1829         *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
1830         *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
1831         *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
1832         *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
1833         *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
1834         assembler dialect choice from asm templates.
1836 2007-02-12  Richard Henderson  <rth@redhat.com>
1838         * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
1839         (fixuns_trunc<SSEMODEF>si2): Use it.
1840         * config/i386/sse.md (vec_setv4sf_0): Export.
1841         * config/i386/i386.c (ix86_build_const_vector): Export.
1842         (ix86_split_convert_uns_si_sse): Rename from
1843         ix86_expand_convert_uns_si_sse and rewrite as a splitter.
1844         * config/i386/i386-protos.h: Update.
1846 2007-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1848         PR c/29521
1849         * c-typeck.c (c_finish_return): Improve warning message.
1851 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1853         * alias.c (find_symbolic_term): Delete unused function.
1855 2007-02-12  Uros Bizjak  <ubizjak@gmail.com>
1857         * config/i386/i386.md (paritydi2, paritysi2): New expanders.
1858         (paritydi2_cmp, paritydi2_cmp): New insn and split patterns.
1859         (*parityhi2_cmp, *parityqi2_cmp): New insn patterns.
1861 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
1863         * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
1864         * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
1865         the function, temporarily point the debug interface to the null one.
1867 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
1869         * dwarf2out.c (round_up_to_align): New static function.
1870         (field_byte_offset): Use it to round the offset.
1872 2007-02-12  Richard Henderson  <rth@redhat.com>
1874         * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
1875         (inswl_const): Export.
1877 2007-02-12  Richard Henderson  <rth@redhat.com>
1879         * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
1880         result mode of the libcall, convert back to outmode.
1882 2007-02-12  Roger Sayle  <roger@eyesopen.com>
1884         * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
1885         (bswapdi2): New define_expand to implement 32-bit implementation.
1887 2007-02-12  Nick Clifton  <nickc@redhat.com>
1889         * doc/invoke.texi (Overall Options): Document --help=.
1890         * gcc.c (target_help_flag): Rename to print_subprocess_flag.
1891         (cc1_options): Pass --help= on to cc1.
1892         (display_help): Add description of --help=.
1893         (process_command): Add code to handle --help=.  Allow translated
1894         --help and --target-help switches to be passed on to compiler
1895         sub-process.
1896         (main): Remove unused if statement.
1897         * opts.c (columns): Remove.
1898         (LEFT_COLUMN): Define.
1899         (wrap_help): Add columns argument.
1900         (print_filtered_help): Change parameters to be an include bitmask,
1901         an exclude bitmask, an any bitmask and the column width.  Move the
1902         code to display the params list here.  Add code to display the
1903         status of options rather than their descriptions if the quiet flag
1904         is not active.
1905         (print_specific_help): Change parameters to be an include bitmask,
1906         an exclude bitmask and an any bitmask.  Move code to look up the
1907         column width here.  Decide upon the title for an options listing.
1908         (common_handle_options): Add code to handle --help=.  Adapt code
1909         for --help and --target-help to use the revised form of the
1910         print_specific_help function.
1911         (print_help): Delete.
1912         (print_param_help): Delete.
1913         (print_switch): Delete.
1914         * opts.h (cl_lang_count): Add prototype.
1915         (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
1916         CL_MAX_OPTION_CLASS): New defines.
1917         * optc-gen.awk: Add construction of cl_lang_count.
1918         * c.opt: Add Warning attribute to warning options and Optimization
1919         attribute to optimization options.
1920         * common.opt: Likewise.
1921         Add --help=.
1922         Add -fhelp and -ftarget-help as aliases for the transformed --help
1923         and --target-help options.
1924         * opt-functions.awk: Add code to handle Warning and Optimization
1925         attributes.
1927 2007-02-12  Richard Henderson  <rth@redhat.com>
1929         * config/alpha/constraints.md: New file.
1930         * config/alpha/alpha.c: Include tm-constrs.h.
1931         (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
1932         alpha_extra_constraint): Remove.
1933         (alpha_emit_conditional_branch): Use satisfies_constraint_*.
1934         * config/alpha/alpha-protos.h: Update.
1935         * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
1936         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
1937         (EXTRA_CONSTRAINT): Remove.
1938         * config/alpha/alpha.md: Include constraints.md.
1939         (adddi splitter): Use satisfies_constraint_*.
1940         * config/alpha/predicates.md (add_operand): Likewise.
1941         (sext_add_operand, addition_operation): Likewise.
1943 2007-02-12  Dorit Nuzman  <dorit@il.ibm.com>
1945         PR tree-optimization/29145
1946         * tree-data-ref.c (base_addr_differ_p): Make us more conservative
1947         in our handling of restrict qualified pointers.
1949 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1951         PR middle-end/7651
1952         * doc/invoke.texi (Wunused-value): Update description.
1953         (Wextra): Delete item.
1954         * opts.c (set_Wextra): Don't use the value of Wextra to set the
1955         value of Wunused-value.
1956         * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
1957         (c_finish_stmt_expr): Don't check extra_warnings.
1958         (emit_side_effect_warnings): The caller is responsible to check
1959         warn_unused_value.
1961 2007-02-11  Roger Sayle  <roger@eyesopen.com>
1962             Matt Thomas  <matt@3am-software.com>
1964         * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
1966 2007-02-11  Roger Sayle  <roger@eyesopen.com>
1968         * simplify-rtx.c (simplify_relational_operation_1): Optimize
1969         comparisons of POPCOUNT against zero.
1970         (simplify_const_relational_operation): Likewise.
1972 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1974         * doc/invoke.texi (Wextra): Delete outdated paragraph.
1976 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1978         * dwarf2out.c (root_type): Delete unused function.
1980 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1982         * genattrtab.c (contained_in_p): Delete unused function.
1983         (write_expr_attr_cache): Likewise.
1985 2007-02-11  Jan Hubicka  <jh@suse.cz>
1987         * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
1988         previous patch.
1990 2007-02-11  Steven Bosscher  <steven@gcc.gnu.org>
1992         * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
1993         to add the REG_EQ* note.
1994         * see.c (see_merge_one_use_extension): Likewise.
1995         * local-alloc.c (update_equiv_regs): Likewise.  Also don't
1996         turn REG_EQUAL notes into REG_EQUIV notes if the target
1997         register may have more than one set.
1998         * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
1999         * gcse.c (try_replace_reg): Likewise.
2000         * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
2001         * calls.c (fixup_tail_calls): Likewise.  Abort if there is
2002         more than one REG_EQUIV note.
2003         * reload1.c (gen_reload): Use set_unique_reg_note.
2005 2007-02-11  Uros Bizjak  <ubizjak@gmail.com>
2007         * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
2008         (ix86_builtin_conversion): New function.
2010 2007-02-06  Mark Mitchell  <mark@codesourcery.com>
2012         PR target/29487
2013         * tree.h (DECL_REPLACEABLE_P): New macro.
2014         * except.c (set_nothrow_function_flags): Likewise.
2016 2007-02-11  Tehila Meyzels  <tehila@il.ibm.com>
2017             Ira Rosen  <irar@il.ibm.com>
2018             Dorit Nuzman  <dorit@il.ibm.com>
2020         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
2021         * targhooks.c (default_builtin_vectorized_conversion): New.
2022         * targhooks.h (default_builtin_vectorized_function): New declaration.
2023         * target.h (struct vectorize): Add builtin_conversion field.
2024         * tree-vectorizer.h (type_conversion_vec_info_type): New enum
2025         stmt_vec_info_type value.
2026         (vectorizable_conversion): New declaration.
2027         * tree-vect-analyze.c (vect_analyze_operations): Add
2028         vectorizable_conversion call.
2029         * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
2030         * tree-vect-transform.c (vectorizable_conversion): New function.
2031         (vect_transform_stmt): Add case for type_conversion_vec_info_type.
2032         * tree-vect-generic.c (expand_vector_operations_1): Consider correct
2033         mode.
2034         * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
2035         (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
2036         (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX
2037         or ALTIVEC_BUILTIN_VCFSX.
2039 2007-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2041         PR target/30634
2042         * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
2043         CONST_DOUBLE and operand 0 is a hard register.
2044         (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
2045         memory.  Fail if operand 1 is a non-zero CONST_INT and operand 0
2046         is a hard floating-point register.
2048 2007-02-10  Richard Henderson  <rth@redhat.com>
2049             Jakub Jelinek  <jakub@redhat.com>
2050             Alexandre Oliva  <aoliva@redhat.com>
2052         * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
2053         * builtin-types.def (BT_WORD): Make unsigned.
2054         (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
2055         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
2056         (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
2057         * c-decl.c (grokdeclarator): Don't error if !have_tls.
2058         * c-parser.c (c_parser_omp_threadprivate): Likewise.
2059         * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
2060         emulated tls.
2061         * expr.c (emutls_var_address): New.
2062         (expand_expr_real_1): Expand emulated tls.
2063         (expand_expr_addr_expr_1): Likewise.
2064         * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
2065         * output.h (emutls_finish): Declare.
2066         * toplev.c (compile_file): Call it.
2067         * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
2068         address before wrapping in CONST.
2069         * varasm.c (emutls_htab, emutls_object_type): New.
2070         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
2071         (get_emutls_object_name, get_emutls_object_type): New.
2072         (get_emutls_init_templ_addr, emutls_decl): New.
2073         (emutls_common_1, emutls_finish): New.
2074         (assemble_variable): When emulating tls, swap decls; generate
2075         constructor for the emutls objects.
2076         (do_assemble_alias): When emulating tls, swap decl and target name.
2077         (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
2078         for emulated tls.
2079         * varpool.c (decide_is_variable_needed): Look at force_output.
2080         Recurse for emulated tls.
2081         (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
2082         with decide_is_variable_needed.
2083         * emutls.c: New file.
2084         * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
2085         tls_object for real tls.
2087 2007-02-10  Kaz Kojima  <kkojima@gcc.gnu.org>
2089         PR rtl-optimization/29599
2090         * reload1.c (eliminate_regs_in_insn): Take the destination
2091         mode into account when computing the offset.
2093 2007-02-09  Stuart Hastings  <stuart@apple.com>
2094             Richard Henderson  <rth@redhat.com>
2096         * gcc/config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
2097         * gcc/config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
2098         * gcc/config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
2099         fixuns_truncdfhi2): New.
2100         (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
2101         (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
2102         (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
2103         (floatunssidf2): Allow nonimmediate source.
2104         * gcc/config/i386/sse.md (movdi_to_sse): New.
2105         (vec_concatv2di): Drop '*'.
2106         * gcc/config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
2107         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
2108         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
2109         New.
2110         * gcc/config/i386/i386.c (ix86_expand_convert_uns_si_sse,
2111         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
2112         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
2113         ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
2114         (ix86_build_signbit_mask): Fix decl of v, refactor to call
2115         ix86_build_const_vector.
2116         (x86_emit_floatuns): Rewrite.
2118 2007-02-10  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2120         * genautomata.c (longest_path_length): Delete unused function.
2121         (struct state): Delete unused longest_path_length.
2122         (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
2123         (get_free_state): Delete unused.
2125 2007-02-09  Jan Hubicka  <jh@suse.cz>
2127         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
2128         * doc/invoke.texi (inline-unit-growth): Update default value.
2130         * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
2131         * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
2132         (rebuild_cgraph_edges): Likewise.
2133         * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
2134         (dump_cgraph_node): Dump frequencies.
2135         (cgraph_clone_edge): Add frequency scales.
2136         (cgraph_clone_node): Add freuqnecy.
2137         * cgraph.h (cgraph_edge): Add freuqnecy argument.
2138         (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
2139         (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
2140         * tree-pass.h (TODO_rebuild_frequencies): New constant.
2141         * cgraphunit.c (verify_cgraph_node): Verify frequencies.
2142         (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
2143         (save_inline_function_body): Likewise.
2144         * ipa-inline.c: inluce rtl.h
2145         (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
2146         (cgraph_edge_badness): Use frequencies.
2147         (cgraph_decide_recursive_inlining): Update clonning.
2148         (cgraph_decide_inlining_of_small_function): Dump frequency.
2149         * predict.c (estimate_bb_frequencies): Export.
2150         * predict.h (estimate_bb_frequencies): Declare.
2151         * tree-inline.c (copy_bb): Watch overflows.
2152         (expand_call_inline): Update call of cgraph_create_edge.
2153         (optimize_inline_calls): Use TODO flags to update frequnecies.
2154         * passes.h: Include predict.h
2155         (init_optimization_passes): Move profile ahead.
2156         (execute_function_todo): Handle TODO_rebuild_frequencies.
2158 2007-02-09  Roger Sayle  <roger@eyesopen.com>
2160         * config/alpha/alpha.c (emit_insxl): Force the first operand of
2161         the insbl or inswl pattern into a register.
2163 2007-02-09  Roger Sayle  <roger@eyesopen.com>
2165         * config/ia64/ia64.md (bswapdi2): New define_insn.
2167 2007-02-09  Richard Henderson  <rth@redhat.com>
2169         * config/i386/constraints.md (Ym): New constraint.
2170         * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
2171         (movdi_1_rex64): Split sse and xmm general register moves from
2172         memory move alternatives.  Use conditional register constraints.
2173         (movsf_1, movdf_integer): Likewise.
2174         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
2175         (movdf_integer_rex64): New.
2176         (pushsf_rex64): Fix output constraints.
2177         * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
2178         (sse2_stored): Likewise.
2179         (sse2_storeq_rex64): New.
2180         * config/i386/i386.c (x86_inter_unit_moves): Enable for not
2181         amd and not generic.
2182         (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
2183         for optimize_size.  Remove SF/DFmode hack.
2185 2007-02-09  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
2187         * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
2188         (bit_SSE4a): New.
2190 2007-02-09  Nathan Sidwell  <nathan@codesourcery.com>
2191             Richard Sandiford  <richard@codesourcery.com>
2193         * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
2194         (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
2195         (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
2196         m68k/t-mlib to tmake_file.
2197         (m68020-*-elf*, m68k-*-elf*): Likewise.  Add t-m68kbare as well.
2198         (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
2199         (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
2200         Allow it to be cf or m68k.  Set m68k_arch_family.  If that
2201         variable is not empty, add t-$m68k_arch_family to tmake_file.
2202         Add t-mlibs to tmake_file.
2203         * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
2204         * config/m68k/t-cf: New file.
2205         * config/m68k/t-m68k: Likewise.
2206         * config/m68k/t-mlibs: Likewise.
2207         * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
2208         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
2209         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
2210         * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
2211         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
2212         Delete.
2213         * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
2214         (INSTALL_LIBGCC): Delete.
2215         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
2216         * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
2217         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
2218         (M68K_MLIB_CPU): Define.
2219         * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
2220         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
2221         (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
2223 2007-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
2224             Richard Guenther  <rguenther@suse.de>
2226         PR middle-end/23361
2227         * fold-const.c (fold_comparison): Handle obfuscated comparisons
2228         against INT_MIN/INT_MAX.
2229         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
2230         file if a loop is removed.
2232 2007-02-09  Joseph Myers  <joseph@codesourcery.com>
2234         * calls.c (store_one_arg): Pass correct alignment to
2235         emit_push_insn for non-BLKmode values.
2236         * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
2237         unaligned stack slot via a suitably aligned slot.
2239 2007-02-08  DJ Delorie  <dj@redhat.com>
2241         * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
2242         warnings.
2243         (legal_subregs): Use unsigned char, make const.
2244         (m32c_illegal_subreg_p): Use ARRAY_SIZE.  Delete unused variables.
2246 2007-02-08  Paul Brook  <paul@codesourcery.com>
2248         * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
2249         special interworking needed.
2251 2007-02-08  Harsha Jagasia  <harsha.jagasia@amd.com>
2253         * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
2254         conditional to __SSE2__.
2255         (Entries below should have been added to first ChangeLog
2256         entry for amdfam10 dated 2007-02-05)
2257         * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
2258         defined.
2259         * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
2260         defined.
2261         * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
2262         defined.
2264 2007-02-08  DJ Delorie  <dj@redhat.com>
2266         * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
2267         * config/m32c/m32c.c (legal_subregs): New.
2268         (m32c_illegal_subreg_p): New.
2269         * config/m32c/predicates.md (m32c_any_operand): Use it to reject
2270         unsupported subregs of hard regs.
2272 2007-02-08  Jan Hubicka  <jh@suse.cz>
2274         * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
2275         the same one; always update histograms.
2277 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
2279         * passes.c (init_optimization_passes): Tidy comment.
2281 2007-02-08  Roger Sayle  <roger@eyesopen.com>
2283         * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
2284         strip zero_extend, bswap and rotates from POCOUNT's argument.
2285         <PARITY>: Likewise, we can strip not, bswap, sign_extend,
2286         zero_extend and rotates from PARITY's argument.
2287         <BSWAP>: A byte-swap followed by a byte-swap is an identity.
2288         (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
2289         of an integer constant at compile-time.
2291 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
2293         PR 30562
2294         * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
2295         Update all users.
2296         * tree-ssa-alias.c (compute_is_aliased): Remove.  Update all
2297         users.
2298         (init_alias_info):
2299         * tree-ssa-live.c (remove_unused_locals): Do not remove
2300         TREE_ADDRESSABLE variables.
2301         * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
2302         * tree-ssa-operands.c (add_virtual_operand): Remove argument
2303         FOR_CLOBBER.  Update all users.
2304         If VAR has an associated alias set, add a virtual operand for
2305         it if no alias is found to conflict with the memory reference.
2307 2007-02-07  Jan Hubicka  <jh@suse.cz>
2308             Robert Kidd <rkidd@crhc.uiuc.edu>
2310         * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
2312 2007-02-07  Ian Lance Taylor  <iant@google.com>
2314         * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
2316 2007-02-07  Roger Sayle  <roger@eyesopen.com>
2318         * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
2319         parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
2320         tablejumpdi, movsi_to_cr_one): Remove constraints from
2321         define_expand's match_operands.
2323 2007-02-07  Roger Sayle  <roger@eyesopen.com>
2325         * global.c (compute_regsets): Move declatation of "i" inside of
2326         #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
2328 2007-02-07  Jakub Jelinek  <jakub@redhat.com>
2330         PR c++/30703
2331         * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
2332         of INDIRECT_REF <RESULT_DECL>.
2334         * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
2336 2007-02-06  J"orn Rennecke  <joern.rennecke@arc.com>
2337             Kaz Kojima  <kkojima@gcc.gnu.org>
2339         PR target/29746
2340         * config/sh/sh.c (expand_cbranchdi4): Use scratch register
2341         properly.
2342         (sh_initialize_trampoline): Add parentheses to avoid a warning.
2344 2007-02-06  Zdenek Dvorak <dvorakz@suse.cz>
2346         * doc/loop.texi: Document possibility not to perform disambiguation
2347         of loops with multiple latches.
2348         * cfgloopmanip.c (alp_enum_p): Removed.
2349         (add_loop): Handle subloops.  Use get_loop_body_with_size.
2350         (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
2351         * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
2352         the new forwarder block.
2353         (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
2354         Handle the case latch is NULL.
2355         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg modifications
2356         when marking loop exits.
2357         * ifcvt.c (if_convert): Ditto.  Mark loop exits even if cfg cannot
2358         be modified.
2359         * loop-init.c (loop_optimizer_init): Do not modify cfg.  Call
2360         disambiguate_loops_with_multiple_latches.
2361         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
2362         before fix_loop_structure.
2363         * cfgloop.c: Include pointer-set.h and output.h.
2364         (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
2365         update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
2366         (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
2367         find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
2368         mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
2369         disambiguate_multiple_latches, get_loop_body_with_size,
2370         disambiguate_loops_with_multiple_latches): New functions.
2371         (flow_loop_dump): Dump multiple latch edges.
2372         (flow_loop_nodes_find): Handle loops with multiple latches.
2373         (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
2374         (glb_enum_p): Modified.
2375         (get_loop_body): Use get_loop_body_with_size.
2376         * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
2377         (AVOID_CFG_MODIFICATIONS): New constant.
2378         (disambiguate_loops_with_multiple_latches, add_loop,
2379         get_loop_body_with_size): Declare.
2380         * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
2382 2007-02-06  Seongbae Park <seongbae.park@gmail.com>
2384         PR inline-asm/28686
2385         * global.c (compute_regsets): New function.
2386         (global_alloc): Refactored ELIMINABLE_REGSET
2387         and NO_GLOBAL_ALLOC_REGS computation out.
2388         (rest_of_handle_global_alloc): Call compute_regsets()
2389         for non-optimizing case.
2391 2007-02-06  Richard Henderson  <rth@redhat.com>
2393         * config/i386/constraints.md (Y2): Rename from Y.
2394         (Yi): New constraint.
2395         * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
2396         pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
2397         zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
2398         (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
2399         truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
2400         fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
2401         floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed,
2402         absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
2403         fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
2404         * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
2405         mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
2406         vec_extractv2si_1): Change Y constraints to Y2.
2407         * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
2408         vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
2409         Change Y constraints to Y2.
2410         (sse2_loadld): Change Y constraints to x.
2412 2007-02-06  Roger Sayle  <roger@eyesopen.com>
2414         * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
2415         (parity<mode>2): New define_expand using rs6000_emit_parity.
2416         * config/rs6000/rs6000.c (rs6000_emit_popcount,
2417         rs6000_emit_parity): New functions.
2418         * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
2419         rs6000_emit_parity): Prototype here.
2421 2007-02-06  Ian Lance Taylor  <iant@google.com>
2423         * lower-subreg.c (simple_move_operand): Reject CONST.
2424         (resolve_clobber): Call validate_change rather than directly
2425         assigning to XEXP (pat, 0).
2427 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
2429         * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
2430         (tree-ssa-reassoc.o): Add pointer-set.h dependency.
2431         (tree-cfg.o): Remove hashtab.h dependency.
2433         * tree-ssa-loop-ivopts.c: Include pointer-set.h.
2434         (struct ivopts_data): Change niters to pointer_map_t.
2435         (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
2436         (niter_for_exit): Create pointer_map on demand.  Change for
2437         pointer_map API.
2438         (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
2439         (free_loop_data): Destroy data->niters if created and reset field.
2440         (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
2441         (tree_ssa_iv_optimize_loop): Check for presence of stale data.
2443         * tree-ssa-reassoc.c: Include pointer-set.h.
2444         (bb_rank): Change to long *.
2445         (operand_rank): Change to pointer_map_t.
2446         (find_operand_rank): Return long, -1 if not found.  Declare as inline.
2447         (insert_operand_rank): Accept long.
2448         (operand_entry_hash, operand_entry_eq): Remove.
2449         (get_rank): Return long.  Adjust for changes above.
2450         (init_reassoc): Change rank type to long.  Adjust creation of bb_rank
2451         and operand_rank.
2452         (fini_reassoc): Delete operand_rank with pointer_map_destroy.
2454         * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
2455         (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
2456         (insert_vi_for_tree): Rewrite for pointer_map API.  Assert argument
2457         is not NULL.
2458         (lookup_vi_for_tree): Rewrite for pointer_map API.  Return varinfo_t
2459         directly since it cannot be NULL.
2460         (get_vi_for_tree): Rewrite for pointer_map API.
2461         (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
2462         (init_alias_vars): Create vi_for_tree as pointer_map.
2463         (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
2465         * tree-cfg.c: Don't include hashtab.h.
2466         (edge_to_cases): Declare as pointer_map.
2467         (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
2468         Delete.
2469         (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
2470         (start_recording_case_labels): Create edge_to_cases as pointer_map.
2471         (end_recoding_case_labels): Cleanup edge_to_cases manually before
2472         destroying it.
2473         (record_switch_edge): Delete.
2474         (get_cases_for_edge): Adjust for pointer_map API, inline
2475         record_switch_edge (rewritten for new API), remove goto.
2477 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
2479         * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
2480         * tree-nested.c: Include pointer-set.h.
2481         (var_map_elt, var_map_eq, var_map_hash): Delete.
2482         (struct nesting_info): Remove GTY marker.  Change the two htab_t's
2483         to pointer_map_t's.
2484         (nesting_info_bitmap_obstack): New.
2485         (lookup_field_for_decl): Adjust for pointer_map API.
2486         (lookup_tramp_for_decl): Adjust for pointer_map API.
2487         (get_nonlocal_debug_decl): Adjust for pointer_map API.
2488         (get_local_debug_decl): Adjust for pointer_map API.
2489         (convert_nl_goto_reference): Adjust for pointer_map API.
2490         (convert_nl_goto_receiver): Adjust for pointer_map API.
2491         (create_nesting_tree): Create outside GGC space.  Create bitmap on
2492         the new obstack.  Create field_map and var_map as pointer_maps.
2493         (free_nesting_tree): Adjust for changes to create_nesting_tree.
2494         (root): Delete.
2495         (lower_nested_functions): Move root here, no need to NULL it.
2496         Initialize and release the obstack.
2498 2007-02-06  Paolo Bonzini  <bonzini@gnu.org>
2500         * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
2501         Remove prototypes and make them non-static.
2502         (struct tree_int_map): Remove.
2503         * tree.h (struct tree_int_map): Move here, turning TO into an
2504         unsigned int.
2505         (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
2507         * tree.h (TREE_COMPLEXITY): Remove.
2508         (struct tree_exp): Remove complexity field.
2509         * tree.c (build1_stat): Don't set it.
2511 2007-02-06  Dorit Nuzman  <dorit@il.ibm.com>
2512             Victor Kaplansky  <victork@il.ibm.com>
2514         * tree-vectorizer.c (vect_is_simple_use): Support induction.
2515         (vect_is_simple_reduction): Support reduction with induction as
2516         one of the operands.
2517         (vect_is_simple_iv_evolution): Fix formatting.
2518         * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix
2519         formatting.  Don't mark induction phis for vectorization.
2520         (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
2521         * tree-vect-transform.c (get_initial_def_for_induction): New function.
2522         (vect_get_vec_def_for_operand): Support induction.
2523         (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
2524         induction case.
2525         (vectorizable_reduction): Support reduction with induction as one of
2526         the operands.
2527         (vectorizable_type_demotion): Use def-type of stmt argument rather
2528         than dummy def-type.
2530         * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
2531         flag_tree_scev_cprop.
2532         * common.opt (tree-scev-cprop): New flag.
2534         * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
2535         call to vect_get_new_vect_var.
2537 2007-02-06  Ira Rosen  <irar@il.ibm.com>
2539         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that
2540         vectype is not NULL.
2541         (vect_pattern_recog_1): Likewise.
2543 2007-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2545         * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
2546         (fold_negate_expr): Likewise.
2548 2007-02-05  Alexandre Oliva  <aoliva@redhat.com>
2550         PR debug/30189
2551         * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
2552         even if cv-qualification is the same.
2554 2007-02-05  Geoffrey Keating  <geoffk@apple.com>
2556         * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
2557         __enable_execute_stack on completion.
2559 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2561         * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
2562         athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
2563         athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
2564         athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
2565         athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
2566         athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
2567         athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
2568         athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
2570 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2572         * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
2573         cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
2574         swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
2575         fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
2576         x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
2577         floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
2578         floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
2579         mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
2580         umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
2581         umuldi3_highpart_rex64, umulsi3_highpart_insn,
2582         umulsi3_highpart_zext, smuldi3_highpart_rex64,
2583         smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
2584         x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
2585         sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
2586         sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
2587         sqrtextenddfxf2_i387): Added amdfam10_decode.
2589         * config/i386/athlon.md (athlon_idirect_amdfam10,
2590         athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
2591         athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
2592         athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
2593         athlon_ivector_store_amdfam10): New define_insn_reservation.
2594         (athlon_idirect_loadmov, athlon_idirect_movstore): Added
2595         amdfam10.
2597 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2599         * config/i386/athlon.md (athlon_call_amdfam10,
2600         athlon_pop_amdfam10, athlon_lea_amdfam10): New
2601         define_insn_reservation.
2602         (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
2603         athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
2604         athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
2606 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2608         * config/i386/athlon.md (athlon_sseld_amdfam10,
2609         athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
2610         athlon_mmxssest_short_amdfam10): New define_insn_reservation.
2612 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2614         * config/i386/athlon.md (athlon_sseins_amdfam10): New
2615         define_insn_reservation.
2616         * config/i386/i386.md (sseins): Added sseins to define_attr type
2617         and define_attr unit.
2618         * config/i386/sse.md: Set type attribute to sseins for insertq
2619         and insertqi.
2621 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2623         * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
2624         ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
2625         ssecomi_load_amdfam10, ssecomi_amdfam10,
2626         sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
2627         define_insn_reservation.
2628         (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
2630 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2632         * config/i386/athlon.md (cvtss2sd_load_amdfam10,
2633         cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
2634         cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
2635         cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
2636         cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
2637         cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New
2638         define_insn_reservation.
2640         * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
2641         cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
2642         cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
2643         cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
2644         cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
2646 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2648         * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
2649         athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
2650         athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
2651         (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
2652         athlon_ssemul_load_k8): Added amdfam10.
2654 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2656         * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
2657         (x86_sse_unaligned_move_optimal): New variable.
2659         * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for
2660         m_AMDFAM10.
2661         (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
2662         for unaligned vector SSE double/single precision loads for AMDFAM10.
2664 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2666         * config/i386/i386.h (TARGET_AMDFAM10): New macro.
2667         (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
2668         Define TARGET_CPU_DEFAULT_amdfam10.
2669         (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
2670         (processor_type): Add PROCESSOR_AMDFAM10.
2672         * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
2673         processor_type in config/i386/i386.h.
2674         Enable imul peepholes for TARGET_AMDFAM10.
2676         * config.gcc: Add support for --with-cpu option for amdfam10.
2678         * config/i386/i386.c (amdfam10_cost): New variable.
2679         (m_AMDFAM10): New macro.
2680         (m_ATHLON_K8_AMDFAM10): New macro.
2681         (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
2682         x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
2683         x86_promote_QImode, x86_integer_DFmode_moves,
2684         x86_partial_reg_dependency, x86_memory_mismatch_stall,
2685         x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
2686         x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
2687         x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
2688         x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
2689         Enable/disable for amdfam10.
2690         (override_options): Add amdfam10_cost to processor_target_table.
2691         Set up PROCESSOR_AMDFAM10 for amdfam10 entry in
2692         processor_alias_table.
2693         (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
2694         (ix86_adjust_cost): Add code for amdfam10.
2696 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2698         * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
2699         instruction set feature flag. Add new (-mpopcnt) flag for popcnt
2700         instruction. Add new SSE4A (-msse4a) instruction set feature flag.
2701         * config/i386/i386.h: Add builtin definition for SSE4A.
2702         * config/i386/i386.md: Add support for ABM instructions
2703         (popcnt and lzcnt).
2704         * config/i386/sse.md: Add support for SSE4A instructions
2705         (movntss, movntsd, extrq, insertq).
2706         * config/i386/i386.c: Add support for ABM and SSE4A builtins.
2707         Add -march=amdfam10 flag.
2708         * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
2709         * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
2710         and amdfam10.
2711         * doc/extend.texi: Add documentation for SSE4A builtins.
2713 2007-02-05  Bob Wilson  <bob.wilson@acm.org>
2715         * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
2717 2007-02-05  Richard Guenther  <rguenther@suse.de>
2719         * tree-vectorizer.h (vectorizable_function): Add argument type
2720         argument, change return type.
2721         * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
2722         * tree-vect-transform.c (vectorizable_function): Handle extra
2723         argument, return vectorized function decl.
2724         (build_vectorized_function_call): Remove.
2725         (vectorizable_call): Handle calls with result and argument types
2726         differing.  Handle loop vectorization factor correctly.
2727         * targhooks.c (default_builtin_vectorized_function): Adjust for
2728         extra argument.
2729         * targhooks.h (default_builtin_vectorized_function): Likewise.
2730         * target.h (builtin_vectorized_function): Add argument type
2731         argument.
2732         * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
2733         extra argument, allow vectorizing of lrintf.
2734         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
2735         documentation of target hook.
2737 2007-02-05  Hans-Peter Nilsson  <hp@axis.com>
2739         PR target/30665
2740         * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
2741         ("*andhi_clear", andu (casesi+45)): For size-changed operand where
2742         memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
2744 2007-02-05  Roger Sayle  <roger@eyesopen.com>
2746         * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
2747         BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
2748         <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
2749         * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
2750         before canonicalizing sincos to cexpi.
2751         (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
2753 2007-02-05  Roger Sayle  <roger@eyesopen.com>
2755         * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
2756         Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
2757         (alpha_init_builtins): Use alpha_add_builtins to process tables.
2759 2007-02-05  Roger Sayle  <roger@eyesopen.com>
2761         * mips-tfile.c (initialize_init_file): Correct endianness test.
2763 2007-02-05  Kazu Hirata  <kazu@codesourcery.com>
2765         * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
2766         the 'y' constraint.
2768 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
2770         * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
2771         saves in a PARALLEL before the register assignments.
2773 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
2775         * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
2776         DWARF_FRAME_RETURN_COLUMN to be a general register.
2777         * dwarf2out.c (init_return_column_size): New function, split from...
2778         (expand_builtin_init_dwarf_reg_sizes): ...here.  Allow both
2779         DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
2780         to be nongeneral registers.
2781         * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
2782         integer registers.
2783         (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
2784         (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
2786 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
2788         * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
2790 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
2792         * cfgloopmanip.c (loop_delete_branch_edge): Removed.
2793         (remove_path): Use can_remove_branch_p and remove_branch instead
2794         of loop_delete_branch_edge.
2795         * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
2796         (tree_transform_and_unroll_loop): Remove dead branches immediately.
2797         Update profile using scale_dominated_blocks_in_loop.
2798         * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
2799         * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
2800         (can_remove_branch_p, remove_branch): Declare.
2801         * tree-cfg.c (tree_can_remove_branch_p): New function.
2802         (tree_cfg_hooks): Add tree_can_remove_branch_p.
2803         * cfgrtl.c (rtl_can_remove_branch_p): New function.
2804         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
2806 2007-02-05  Jan Hubicka  <jh@suse.cz>
2808         PR middle-end/30696
2809         * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
2810         nodes in cgraph, don't remove offline copy of the function.
2812 2007-02-04  Jan Hubicka  <jh@suse.cz>
2814         * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
2815         vectors might cause maybe_lookup_element_for_expr to be called
2816         on non-sra-candidate.
2818 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
2820         * config/bfin/bfin-modes.def, config/bfin/bfin.c,
2821         config/bfin/bfin.md, config/bfin/predicates.md: Follow
2822         spelling conventions.
2824 2007-02-04  Richard Guenther  <rguenther@suse.de>
2826         PR middle-end/30636
2827         * fold-const.c (try_move_mult_to_index): Make sure to not
2828         overflow one dimension of a multi-dimensional array access.
2830 2007-02-04  Jan Hubicka  <jh@suse.cz>
2832         * passes.c (init_optimization_passes): Reindent.
2834 2007-02-04  Jan Hubicka  <jh@suse.cz>
2835             Eric Botcazou  <ebotcazou@adacore.com>
2837         * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
2838         (execute_fixup_cfg): Break out the abnormal goto code.
2839         * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
2840         (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
2841         (optimize_inline_calls): Call make_nonlocal_label_edges.
2843 2007-02-04  Jan Hubicka  <jh@suse.cz>
2845         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
2846         true when something was changed.
2847         (rename_ssa_copies): When something was changed, do
2848         TODO_remove_unused_locals.
2849         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
2850         add TODO_remove_unused_locals when instruction was removed.
2852 2007-02-04  Jan Hubicka  <jh@suse.cz>
2854         * ipa-inline.c (try_inline): Improve debug output; work on already
2855         inline edges too.
2856         (cgraph_decide_inlining_incrementally): Indent; improve debug output;
2857         call try_inline for already inlined edges too when flattening;
2858         inline also functions that make callee growth but overall unit size
2859         reduce.
2861 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
2863         * config/m32c/bitops.md, config/m32c/jump.md,
2864         config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
2865         config/m32r/m32r.h, config/m32r/m32r.md,
2866         config/m32r/predicates.md, config/m68hc11/larith.asm,
2867         config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
2868         config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
2869         config/mips/mips-protos.h, config/mips/mips.c,
2870         config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
2871         config/mn10300/mn10300.h, config/mn10300/predicates.md,
2872         config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
2873         spelling conventions.
2875         * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
2876         Follow spelling conventions.
2878 2007-02-03  Douglas Gregor  <doug.gregor@gmail.com>
2880         * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
2881         warn about C++0x compatibility.
2883 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
2885         * config/h8300/h8300.c, config/h8300/h8300.h,
2886         config/h8300/h8300.md: Follow spelling conventions.
2888 2007-02-03  Uros Bizjak  <ubizjak@gmail.com>
2890         PR middle-end/30667
2891         * combine.c (try_combine): Do not substitute source operand
2892         with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
2894 2007-02-03  Jan Hubicka  <jh@suse.cz>
2896         PR gcov-profile/30650
2897         * value-prof.c (stringop_block_profile): Fix handling of size counter;
2898         do not divide by zero for never executed counters.
2899         (tree_find_values_to_profile): Fix counters.
2900         * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
2902 2007-02-03  Ian Lance Taylor  <iant@google.com>
2904         * lower-subreg.c (simple_move_operand): New static function,
2905         broken out of simple_move.  Reject LABEL_REF, SYMBOL_REF, and HIGH
2906         operands.
2907         (simple_move): Call simple_move_operand.
2908         (find_decomposable_subregs): Add special handling of MEMs.
2909         (can_decompose_p): Rename from cannot_decompose_p.  Reverse
2910         meaning of return value.  If we see a hard register, test whether
2911         it can store a word_mode value.  Change all callers.
2913 2007-02-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2915         * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
2916         ftrapv insns and expanders.
2917         (subdi3): Change define_expand operand 1 to arith11_operand, and
2918         operand 2 to reg_or_0_operand.  Change constraints of 64-bit insn
2919         pattern to handle reg_or_0 operands.  Revise 32-bit insn pattern to
2920         handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
2921         respectively.
2923         PR middle-end/30174
2924         * varasm.c (notice_global_symbol): Treat global objects as weak when
2925         flag_shlib is true.
2927 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2929         * emit-rtl.c (dconstpi): Delete.
2930         (dconstsqrt2): New.
2931         (init_emit_once): Delete dconstpi and init dconstsqrt2.
2932         * real.h (dconstpi): Delete.
2933         (dconstsqrt2): New.
2934         * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
2935         (fold_builtin_hypot): Likewise.
2937 2007-02-03  Tom Tromey  <tromey@redhat.com>
2939         PR driver/30246
2940         * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
2941         -gcoff3, -gxcoff3, -gvms3 implies -dD.
2943 2007-02-03  Kazu Hirata  <kazu@codesourcery.com>
2945         * c-decl.c, config/avr/avr.c, config/avr/avr.h,
2946         config/m68k/m68k.c, config/m68k/netbsd-elf.h,
2947         config/mn10300/mn10300.c, config/pdp11/pdp11.h,
2948         config/rs6000/cell.md, config/rs6000/darwin.h,
2949         config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
2950         config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
2951         jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
2952         tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
2953         typos.  Follow spelling conventions.
2954         * doc/invoke.texi: Follow spelling conventions.
2956 2007-02-03  Roger Sayle  <roger@eyesopen.com>
2958         * simplify-rtx.c (simplify_relational_operation_1): Implement some
2959         canonicalization transformations that attempt to simplify integer
2960         constant comparisons to become comparisons against zero.
2962 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2964         * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
2965         fabs(x)*sqrt(2).
2966         * fold-const.c (fold_binary): Fix comment typos.  Fold complex
2967         (x,0)-(0,y) into (x,-y).  Likewise (0,y)-(x,0) into (-x,y).
2969 2007-02-02  Mike Stump  <mrs@apple.com>
2971         * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
2972         * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
2973         (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
2974         generate a branch island.
2976 2007-02-02  Bob Wilson  <bob.wilson@acm.org>
2978         * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
2979         (xtensa_legitimate_address_p): New.
2980         (xtensa_legitimize_address): New.
2981         (xtensa_output_addr_const_extra): New.
2982         * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
2983         (BASE_REG_P): New.
2984         (REG_OK_FOR_BASE_P): Use BASE_REG_P.
2985         (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
2986         (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
2987         (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
2988         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
2989         (xtensa_legitimize_address): New.
2990         (xtensa_output_addr_const_extra): New.
2992 2007-02-02  Steve Ellcey  <sje@cup.hp.com>
2994         * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
2996 2007-02-02  Ian Lance Taylor  <iant@google.com>
2998         * expmed.c (expand_divmod): Add comment.
3000 2007-02-02  Kazu Hirata  <kazu@codesourcery.com>
3002         * emit-rtl.c (renumber_insns): Remove.
3003         * flags.h: Remove the extern for flag_renumber_insns.
3004         * rtl.h: Remove the prototype for renumber_insns.
3005         * toplev.c (flag_renumber_insns): Remove.
3007 2007-02-02  Hui-May Chang  <hm.chang@apple.com>
3009         Revert for x86 darwin:
3010         2005-06-19  Uros Bizjak  <uros@kss-loka.si>
3012         * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
3013         code before the following patch under TARGET_MACHO.
3014         (ix86_function_value_regno_p): Likewise.
3016 2007-02-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3018         * fold-const.c (negate_expr_p, fold_negate_expr): Handle
3019         COMPLEX_EXPR.
3021 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
3023         PR target/29682
3024         * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory loads to
3025         general or fp registers.  Add comments.
3026         * config/ia64/ia64.md (reg_pred_prefix): Add comment.
3028 2007-02-02  Paolo Bonzini  <bonzini@gnu.org>
3030         * pointer-set.c (insert_aux): Only return insertion slot.
3031         (pointer_set_insert): Adjust.
3032         (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
3033         pointer_map_destroy, pointer_map_insert, pointer_map_contains,
3034         pointer_map_traverse): New.
3035         * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
3036         pointer_map_create,  pointer_map_destroy, pointer_map_insert,
3037         pointer_map_contains, pointer_map_traverse): Declare.
3039 2007-02-02  Jakub Jelinek  <jakub@redhat.com>
3041         PR middle-end/30473
3042         * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
3043         sprintf (str, "%s").  Do not optimize sprintf (str, "nopercent", p++).
3045 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
3047         * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
3049         (struct _dep): New type.
3050         (dep_t): New typedef.
3051         (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
3052         (DEP_STATUS): New access macro.  The macro with the same name was
3053         renamed to DEP_LINK_STATUS.
3054         (dep_init): Declare function
3056         (struct _dep_link): New type.
3057         (dep_link_t): New typedef.
3058         (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
3059         (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
3060         (DEP_LINK_STATUS): New macro.
3061         (debug_dep_links): New debug function.
3063         (struct _deps_list): New type.
3064         (deps_list_t): New typedef.
3065         (DEPS_LIST_FIRST): New access macro.
3066         (FOR_EACH_DEP_LINK): New cycle macro.
3067         (create_deps_list, free_deps_list, delete_deps_list): Declare
3068         functions.
3069         (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
3070         (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
3071         (copy_deps_list_change_con): Ditto.
3073         (move_dep_link): Declare function.
3075         (struct _dep_node): New type.
3076         (dep_node_t): New typedef.
3077         (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
3079         (struct haifa_insn_data.back_deps): New field to hold backward
3080         dependencies of the insn.
3081         (struct haifa_insn_data.depend): Rename to forw_deps.  Change its type
3082         to deps_list_t.
3083         (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
3084         Change its type to deps_list_t.
3085         (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
3086         (INSN_DEPEND): Rename to INSN_FORW_DEPS.
3087         (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
3089         (INSN_COST): Move to haifa-sched.c.  Use insn_cost () instead.
3091         (DEP_STATUS): Rename to DEP_LINK_STATUS.  Fix typo in the comment.
3093         (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration and
3094         all callers.
3095         (dep_cost): Declare.
3097         * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
3098         (ds_to_dk, dk_to_ds): New functions.
3100         (init_dep_1): New static function.
3101         (init_dep): New function.
3102         (copy_dep): New static function.
3104         (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
3105         functions.
3106         (detach_dep_link): New static function.
3107         (move_dep_link): New function.
3109         (dep_links_consistent_p, dump_dep_links): New static functions.
3110         (debug_dep_links): New debugging function.
3112         (deps_obstack, dl_obstack, dn_obstack): New static variables.
3114         (alloc_deps_list, init_deps_list): New static functions.
3115         (create_deps_list): New function.
3116         (clear_deps_list): New static function.
3117         (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
3118         (deps_list_consistent_p, dump_deps_list): New static functions.
3119         (debug_deps_list): New function.
3120         (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
3121         functions.
3122         (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
3124         (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
3125         use new scheduler dependencies lists.
3126         (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
3127         (sched_analyze): Ditto.  Initialize dependencies lists.
3128         (add_forw_dep, compute_forward_dependences): Update to use new
3129         scheduler dependencies lists.
3131         (init_dependency_caches): Init deps_obstack.
3132         (free_dependency_caches): Free deps_obstack.
3134         (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
3135         new scheduler dependencies lists.
3136         (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
3137         (add_back_forw_dep, delete_back_forw_dep): Ditto.
3139         * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
3140         Update to use new scheduler dependencies lists.
3141         (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
3142         (debug_dependencies): Ditto.
3143         (schedule_region): Update comments.
3145         * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
3146         scheduler dependencies lists.
3147         (schedule_ebb): Update comments.
3149         * rtl.def (DEPS_LIST): Remove.
3151         * lists.c (unused_deps_list): Remove.
3152         (free_list): Update assertions.
3154         (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
3155         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
3157         * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
3158         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
3160         * haifa-sched.c (comments): Update.
3161         (insn_cost1): Remove.  Inline the code into insn_cost ().
3162         (insn_cost): Update to use new scheduler dependencies lists.  Move
3163         processing of the dependency cost to dep_cost ().
3164         (dep_cost): New function.  Use it instead of insn_cost () when
3165         evaluating cost of the dependency.  Use compatible interface to
3166         interact with the target.
3167         (priority): Update to use new scheduler dependencies lists.
3168         (rank_for_schedule): Ditto.  Optimize heuristic that prefers the insn
3169         with greater number of insns that depend on the insn.
3170         (schedule_insn): Update to use new scheduler dependencies lists.  Add
3171         code to free backward dependencies lists.  Inline and optimize code
3172         from resolve_dep () - see PR28071.
3173         (ok_for_early_queue_removal): Update to use new scheduler dependencies
3174         lists.  Update call to targetm.sched.is_costly_dependence hook.
3176         (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
3177         scheduler dependencies lists.
3179         (resolve_dep): Remove.  Move the logic to schedule_insn ().
3180         (init_h_i_d): Initialize dependencies lists.
3182         (process_insn_depend_be_in_spec): Rename to
3183         process_insn_forw_deps_be_in_spec.  Update to use new scheduler
3184         dependencies lists.
3185         (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
3186         Update to use new scheduler dependencies lists.
3187         (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
3189         * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
3190         new scheduler dependencies lists.
3191         (build_intra_loop_deps): Ditto.
3193         * target.h (struct _dep): Declare to use in
3194         gcc_target.sched.is_costly_dependence.
3195         (struct gcc_target.sched.adjust_cost): Fix typo.
3196         (struct gcc_target.sched.is_costly_dependence): Change signature to use
3197         single dep_t parameter instead of an equivalent triad.
3198         (struct gcc_target.sched.adjust_cost_2): Remove.
3200         * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
3202         * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
3204         * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
3205         documentation.
3206         (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
3208         * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
3209         (REG_DEP_TRUE): Document.
3211         * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
3212         Change signature to correspond to the targetm.sched.adjust_cost hook.
3213         Update use in TARGET_SCHED_ADJUST_COST_2.
3214         (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
3215         (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
3216         new scheduler dependencies lists.
3217         (ia64_gen_check): Ditto.
3219         * config/mips/mips.c (vr4130_swap_insns_p): Update to use new scheduler
3220         dependencies lists.
3222         * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
3223         signature to correspond to the targetm.sched.is_costly_dependence hook.
3224         (is_costly_group): Update to use new scheduler dependencies lists.
3226         * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
3227         instead of INSN_COST () macro.
3229 2007-02-01  Ian Lance Taylor  <iant@google.com>
3231         * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
3233 2007-02-01  Guy Martin  <gmsoft@gentoo.org>
3235         * pa.md (tp_load): Correct mfctl instruction syntax.
3237 2007-02-01  Geoffrey Keating  <geoffk@apple.com>
3239         * config/rs6000/rs6000.c (rs6000_stack_info): Correct
3240         altivec_padding_size calculation on AIX.  Improve comment, add
3241         assert to verify that it's right.
3243         * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
3244         64-bit.
3246 2007-2-01  Seongbae Park  <seongbae.park@gmail.com>
3248         PR inline-asm/28686
3249         * global.c (global_alloc): Add mising initialization of
3250         ELIMINABLE_REGSET.
3252 2007-02-01  Roger Sayle  <roger@eyesopen.com>
3254         * alias.c (init_alias_analysis): Correct whitespace.
3255         * bb-reorder.c (fix_edges_for_rarely_executed_code,
3256         partition_hot_cold_basic_blocks): Likewise.
3257         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
3258         expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
3259         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
3260         fold_builtin_snprintf_chk, fold_builtin_printf,
3261         fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
3262         do_mpfr_arg3, do_mpfr_sincos): Likewise.
3263         * cfgcleanup.c (cleanup_cfg): Likewise.
3264         * cfgexpand.c (tree_expand_cfg): Likewise.
3265         * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
3266         * function.c (get_next_funcdef_no): Likewise.
3267         * gengtype.c (main): Likewise.
3268         * genmodes.c (main): Likewise.
3269         * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
3270         * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
3271         * ifcvt.c (noce_emit_move_insn): Likewise.
3272         * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
3273         Likewise.
3274         * stor-layout.c (get_best_mode): Likewise.
3275         * tree-ssa-loop-niter.c (get_val_for): Likewise.
3276         * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
3277         scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
3278         perform_var_substitution, solve_graph): Likewise.
3279         * tree-vrp.c (vrp_finalize): Likewise.
3281 2007-02-01  Ian Lance Taylor  <iant@google.com>
3283         * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
3284         high part of a paradoxical subreg, return a constant zero.
3286 2007-02-01  Zdenek Dvorak <dvorakz@suse.cz>
3288         * toplev.c (lang_dependent_init): Call init_set_costs.
3289         * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
3291 2007-02-01  Richard Guenther  <rguenther@suse.de>
3293         PR middle-end/30656
3294         * fold-const.c (fold_negate_expr): Allow negating a
3295         constant if overflow does not change.
3297 2007-02-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3299         * doc/c-tree.texi (Expression trees): Improve markup.
3300         * doc/tm.texi (Register Classes, Addressing Modes)
3301         (Floating Point): Fix spacing after abbreviations.  Fix some
3302         typos.
3304 2007-02-01  Ben Elliston  <bje@au.ibm.com>
3306         * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
3307         * doc/contrib.texi: Likewise.
3308         * doc/install.texi: Likewise.
3310 2007-01-31  Richard Henderson  <rth@redhat.com>
3311             Ian Lance Taylor  <iant@google.com>
3313         * lower-subreg.c: New file.
3314         * rtl.def (CONCATN): Define.
3315         * passes.c (init_optimization_passes): Add pass_lower_subreg and
3316         pass_lower_subreg2.
3317         * emit-rtl.c (update_reg_offset): New static function, broken out
3318         of gen_rtx_REG_offset.
3319         (gen_rtx_REG_offset): Call update_reg_offset.
3320         (gen_reg_rtx_offset): New function.
3321         * regclass.c: Revert patch of 2006-03-05, restoring
3322         reg_scan_update.
3323         (clear_reg_info_regno): New function.
3324         * dwarf2out.c (concatn_loc_descriptor): New static function.
3325         (loc_descriptor): Handle CONCATN.
3326         * common.opt (fsplit_wide_types): New option.
3327         * opts.c (decode_options): Set flag_split_wide_types when
3328         optimizing.
3329         * timevar.def (TV_LOWER_SUBREG): Define.
3330         * rtl.h (gen_reg_rtx_offset): Declare.
3331         (reg_scan_update): Declare.
3332         * regs.h (clear_reg_info_regno): Declare.
3333         * tree-pass.h (pass_lower_subreg): Declare.
3334         (pass_lower_subreg2): Declare.
3335         * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
3336         (Optimize Options): Add -fsplit-wide-types to -O1 list.  Document
3337         -fsplit-wide-types.
3338         * doc/rtl.texi (Regs and Memory): Document concat and concatn.
3339         * Makefile.in (OBJS-common): Add lower-subreg.o.
3340         (lower-subreg.o): New target.
3342 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
3344         * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
3346 2007-01-31  Anatoly Sokolov <aesok@post.ru>
3348         PR target/19087
3349         * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
3351 2007-01-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3353         PR middle-end/29335
3354         * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
3356 2007-01-31  Zdenek Dvorak <dvorakz@suse.cz>
3358         * cfgloop.h: Include vec-prim.h.
3359         (enum li_flags): Remove LI_ONLY_OLD.
3360         (loop_iterator): Changed.
3361         (fel_next, fel_init): Iterate over loop tree.
3362         (FOR_EACH_LOOP_BREAK): New macro.
3363         * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
3364         FOR_EACH_LOOP.
3365         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
3366         * modulo-sched.c (sms_schedule): Ditto.
3367         * tree-vectorizer.c (vectorize_loops): Ditto.
3368         * doc/loop.texi: Update information on loop numbering and behavior of
3369         FOR_EACH_LOOP wrto new loops.
3370         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
3371         add_to_evolution_1): Test nestedness of loops instead of comparing
3372         their numbers.
3373         * tree-chrec.c (chrec_fold_plus_poly_poly,
3374         chrec_fold_multiply_poly_poly, chrec_evaluate,
3375         hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
3376         reset_evolution_in_loop): Ditto.
3377         * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
3379 2007-01-31  Dirk Mueller  <dmueller@suse.de>
3381         * c-common.c (warn_about_parentheses): Separate warning about
3382         un-parenthized sequence of comparison operators from the one
3383         which is supposed to warn about x <= y <= z.
3385 2007-01-31  Uros Bizjak  <ubizjak@gmail.com>
3387         * optabs.h (enum optab_index): Add new OTI_isinf.
3388         (isinf_optab): Define corresponding macro.
3389         * optabs.c (init_optabs): Initialize isinf_optab.
3390         * genopinit.c (optabs): Implement isinf_optab using isinf?f2
3391         patterns.
3392         * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
3393         (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
3394         using isinf_optab.
3395         (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
3396         expand_builtin_interclass_mathfn.
3397         * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
3398         * config/i386/i386.md (UNSPEC_FXAM): New constant.
3399         (fxam<mode>2_i387): New insn pattern.
3400         (isinf<mode>2) New expander to implement isinf, isinff and isinfl
3401         built-in functions as x87 inline asm.
3403 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
3405         * gcc/config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
3407 2007-01-30  Eric Christopher  <echristo@apple.com>
3409         * config.gcc: Add geode.
3411 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
3413         * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
3414         ipa-inline.c, tree-profile.c, tree-ssa-live.c,
3415         tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
3416         value-prof.c: Fix comment typos.
3418 2007-01-30  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3420         PR c++/24745
3421         * doc/invoke.texi (Wpointer-arith): Document warning.
3423 2007-01-30  Janis Johnson  <janis187@us.ibm.com>
3425         * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
3426         the list of discrepancies from the draft TR.
3428 2007-01-30  Dirk Mueller  <dmueller@suse.de>
3430         PR c++/30601
3431         * doc/invoke.texi (-Wreturn-type): Update description to
3432         match new behavior.
3434 2007-01-30  Richard Sandiford  <richard@codesourcery.com>
3436         * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
3438 2007-01-30  Uros Bizjak  <ubizjak@gmail.com>
3440         * builtins.c (expand_builtin_int_interclass_roundingfn): New function
3441         to handle optabs that operate on floating point input argument and
3442         output to integer output.
3443         (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
3444         (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
3445         (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
3446         expand_builtin_interclass_mathfn ().
3447         * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
3448         (ilogbsi2): Remove.
3449         (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
3450         ilogbl built-in functions as x87 intrinsics.
3452 2007-01-30  Richard Guenther  <rguenther@suse.de>
3454         PR middle-end/27657
3455         * dwarf2out.c (reference_to_unused): Query varpool if the
3456         variable was output.
3458 2007-01-30  Richard Guenther  <rguenther@suse.de>
3460         PR middle-end/30313
3461         * passes.c (execute_one_pass): Reset in_gimple_form to not
3462         confuse non-unit-at-a-time mode.
3464 2007-01-29  Roger Sayle  <roger@eyesopen.com>
3465             Richard Guenther  <rguenther@suse.de>
3467         * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
3468         avoid undefined behaviour on overflow.  Use force_fit_type_double
3469         to construct the constant with the specified TREE_OVERFLOW.
3471 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
3473         * config/dfp-bit.c: Add parameterized support for fp exceptions.
3474         * config/dfp-bit.h: Ditto.
3476 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3478         * c-decl.c (pop_scope): Replace warnings with call to
3479         warn_for_unused_label.
3480         * c-common.h (warn_for_unused_label): Declare.
3481         * c-common.c (warn_for_unused_label): Define.
3483 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3485         * tree-optimize.c (update_inlined_to_pointers): Delete unused
3486         function.
3488 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
3490         * Makefile.in (USER_H): Remove decfloat.h.
3491         * ginclude/decfloat.h: Delete, moving contents to ...
3492         * ginclude/float.h: Add support for decimal floating point,
3493         guarded by __STDC_WANT_DEC_FP__.
3495 2007-01-29  Mike Stump  <mrs@apple.com>
3497         * doc/gccint.texi (Top): Rename Loop Representation to Loop
3498         Analysis and Representation to resolve case insensitive conflict.
3499         * doc/loop.texi (Loop Analysis and Representation): Likewise.
3501 2007-01-28  Daniel Berlin  <dberlin@dberlin.org>
3503         * tree.h (struct tree_memory_tag): Add aliases member.
3504         (MTAG_ALIASES): New macro.
3505         * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
3506         (add_may_alias): Remove pointer-set. Update for may_aliases being
3507         a bitmap.
3508         (mark_aliases_call_clobbered): Update for may_aliases being a
3509         bitmap.
3510         (compute_tag_properties): Ditto.
3511         (create_partition_for): Ditto.
3512         (compute_memory_partitions): Ditto.
3513         (dump_may_aliases_for): Ditto.
3514         (is_aliased_with): Ditto.
3515         (add_may_alias_for_new_tag): Ditto.
3516         (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
3517         (compute_is_aliased): New function.
3518         (compute_may_aliases): Call compute_is_aliased).
3519         (init_alias_info): Initialize alias_bitmap_obstack.
3520         (union_alias_set_into): New function.
3521         (compute_flow_sensitive_aliasing): Use union_aliases_into.
3522         (have_common_aliases_p): Rewrite to take two bitmaps and use
3523         intersection.
3524         (compute_flow_insensitive_aliasing): Stop using pointer-sets.
3525         Update for bitmaps.
3526         (finalize_ref_all_pointers): Update for add_may_alias changes.
3527         (new_type_alias): Ditto.
3528         * tree-flow-inline.h (may_aliases): Return a bitmap.
3529         * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
3530         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
3531         may_aliases being a bitmap.
3532         * tree-flow.h (struct var_ann_d): Remove may_aliases member.
3533         may_aliases now returns a bitmap.
3534         * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
3535         being a bitmap.
3536         * tree-ssa-operands.c (add_virtual_operand): Update for
3537         may_aliases being a bitmap.
3539 2007-01-29  Daniel Berlin  <dberlin@dberlin.org>
3541         PR tree-optimization/30630
3542         * tree-ssa-structalias.c (do_complex_constraint): Mark correct
3543         variable as changed.
3545 2007-01-29  Simon Martin  <simartin@users.sourceforge.net>
3547         PR c++/28266
3548         * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
3549         expanded only once even if an error occurs.
3551 2007-01-29  Ben Elliston  <bje@au.ibm.com>
3553         * gcov-io.h (__gcov_indirect_call_profiler): Declare.
3554         (__gcov_average_profiler): Likewise.
3555         (__gcov_ior_profiler): Likewise.
3556         (__gcov_merge_ior): Likewise.
3558 2007-01-28  Jan Hubicka  <jh@suse.cz>
3560         * builtins.c (expand_builtin_memset): Fix typo in my last patch.
3561         * value-prof.c (stringop_block_profile): Likewise.
3563 2007-01-28  Jan Hubicka  <jh@suse.cz>
3565         * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall): Add
3566         variant handling histograms; add wrapper.
3567         (clear_storage_via_libcall): Export.
3568         (emit_block_move_hints): Break out from ...; add histograms.
3569         (emit_block_move): ... this one.
3570         (clear_storage_hints): Break out from ...; add histograms.
3571         (clear_storage): ... this one.
3572         (set_storage_via_memset): Handle histogram.
3573         * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
3574         (clear_storage_hints, clear_storage_via_libcall): Declare.
3575         (set_storage_via_setmem): Update prototype.
3576         * doc/md.texi (movmem, setmem): Document new arguments.
3578         * value-prof.c (dump_histogram_value, tree_find_values_to_profile): Add
3579         new histograms.
3580         (stringop_block_profile): New global function.
3581         (tree_stringops_values_to_profile): Profile block size and alignment.
3582         * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
3583         HIST_TYPE_IOR.
3584         (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
3585         (stringop_block_profile): Declare.
3586         * builtins.c: Include value-prof.h.
3587         (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
3588         * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
3589         (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
3590         (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
3591         * profile.c (instrument_values): Add new counters.
3592         * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
3593         calls.
3594         * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
3595         (tree_init_edge_profiler): Build new profilers.
3596         (tree_gen_average_profiler, tree_gen_ior_profiler): New.
3597         (pass_tree_profile): Add dump.
3598         (tree_profile_hooks): Update.
3599         * Makefile.in (LIBGCOV): Add new constants.
3600         * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
3601         __gcov_ior_profiler): New.
3602         * i386.md (movmem/setmem expanders): Add new optional arguments.
3604 2007-01-28  David Edelsohn  <edelsohn@gnu.org>
3606         * doc/md.texi (Standard Pattern Names): Document blockage pattern.
3608 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
3610         * tree-ssa-loop-unswitch.c: Include tree-inline.h.
3611         (tree_unswitch_single_loop): Pass eni_size_weights to
3612         tree_num_loop_insns.
3613         * tree-ssa-loop-manip.c: Include tree-inline.h.
3614         (can_unroll_loop_p): Pass eni_size_weights to
3615         tree_num_loop_insns.
3616         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
3617         Pass eni_size_weights to estimate_num_insns.
3618         * tree.h (init_inline_once): Export.
3619         * toplev.c (backend_init): Call init_inline_once.
3620         * cgraphunit.c (cgraph_process_new_functions,
3621         cgraph_analyze_function): Pass eni_inlining_weights to
3622         estimate_num_insns.
3623         * ipa-inline.c (compute_inline_parameters): Ditto.
3624         * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
3625         to estimate_num_insns.
3626         (try_unroll_loop_completely): Pass eni_size_weights to
3627         tree_num_loop_insns.
3628         * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
3629         ot estimate_num_insns.
3630         * tree-ssa-loop-prefetch.c: Include tree-inline.h.
3631         (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
3632         * tree-inline.c (eni_inlining_weights, eni_size_weights,
3633         eni_time_weights): New variables.
3634         (init_inline_once): Initialize them.
3635         (struct eni_data): Mew.
3636         (estimate_num_insns_1, estimate_num_insns): Use weights.
3637         * tree-inline.h (struct eni_weights_d): New.
3638         (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
3639         (estimate_num_insns): Declaration changed.
3640         * cfgloop.h (tree_num_loop_insns): Declaration changed.
3641         * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
3642         tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
3644 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
3646         * tree-data-ref.c (conflict_fn): Assert that the number of affine
3647         relations in the conflict function is valid.
3649 2007-01-27  Ian Lance Taylor  <iant@google.com>
3651         * common.opt: Add fstrict-overflow.
3652         * opts.c (decode_options): Set flag_strict_overflow if -O2.
3653         * flags.h (TYPE_OVERFLOW_WRAPS): Define.
3654         (TYPE_OVERFLOW_UNDEFINED): Define.
3655         (TYPE_OVERFLOW_TRAPS): Define.  This replaces TYPE_TRAP_SIGNED.
3656         Replace all uses.
3657         * tree.h (TYPE_TRAP_SIGNED): Don't define.
3658         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
3659         (fold_negate_expr): Likewise.
3660         (make_range): Likewise.
3661         (extract_muldiv_1): Likewise.
3662         (maybe_canonicalize_comparison): Likewise.
3663         (fold_comparison): Likewise.
3664         (fold_binary): Likewise.
3665         (tree_expr_nonnegative_p): Likewise.
3666         (tree_expr_nonzero_p): Likewise.
3667         * tree-vrp.c (compare_values): Likewise.
3668         (extract_range_from_binary_expr): Likewise.
3669         (extract_range_from_unary_expr): Likewise.
3670         * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
3671         Likewise.
3672         (nowrap_type_p): Likewise.
3673         * tree-scalar-evolution.c (simple_iv): Likewise.
3674         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
3675         (build_range_check): Likewise.
3676         (extract_muldiv_1): Likewise.
3677         (fold_comparison): Likewise.
3678         * tree-vrp.c (vrp_int_const_binop): Likewise.
3679         (extract_range_from_unary_expr): Likewise.
3680         * convert.c (convert_to_integer): Likewise.
3681         * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
3682         (fold_comparison): Likewise.
3683         (fold_binary): Likewise.
3684         * optabs.c (optab_for_tree_code): Likewise.
3685         * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
3686         * simplify-rtx.c (simplify_const_relational_operation): Check
3687         flag_strict_overflow and flag_trapv.
3688         (simplify_const_relational_operation): Likewise.
3689         * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
3690         (Optimize Options): Add -fstrict-overflow to -O2 list.  Document
3691         -fstrict-overflow.
3693 2007-01-27  Roger Sayle  <roger@eyesopen.com>
3695         * tree.c (tree_fold_gcd): Delete.
3696         * tree.h (tree_fold_gcd): Remove prototype.
3697         * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
3698         test whether one constant integer is a multiple of another.  Instead
3699         call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
3700         * fold-const.c (multiple_of_p):  We've determined both TOP and
3701         BOTTOM are integer constants so we can call int_const_binop directly
3702         instead of the more generic const_binop.
3704 2007-01-27  Roger Sayle  <roger@eyesopen.com>
3706         * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
3707         1*X check that the constant hasn't overflowed, to preserve the
3708         TREE_OVERFLOW bit.
3709         (round_up): Provide an efficient implementation when rouding-up an
3710         INTEGER_CST to a power-of-two.
3712 2007-01-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3714         * doc/sourcebuild.texi: Add comma for clarity.
3715         * doc/extend.texi: Fix some typos.
3716         * doc/passes.texi: Likewise.
3717         * doc/cppinternals.texi: Likewise.
3718         * doc/c-tree.texi: Likewise.
3719         * doc/tree-ssa.texi: Likewise.
3720         * doc/install.texi: Likewise.
3722 2007-01-27  Jan Hubicka  <jh@suse.cz>
3724         * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
3725         (pass_sra): Do not require alias information.
3726         * passes.c (init_optimization_passes): Add SRA
3728 2007-01-27  Steven Bosscher  <steven@gcc.gnu.org>
3730         * tracer.c (rest_of_handle_tracer): We already cleaned
3731         up the CFG in tracer() so don't do it here again.
3732         * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
3733         cleanup_cfg here, either.  And don't call renumber_insns.
3735         * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
3736         and BB_HEAD are in the insn stream here.  Instead make sure
3737         that BB_INSN is valid on all insns.  Also, do check here that
3738         there are no pending branch predictions...
3739         (rtl_verify_flow_info): ...instead of doing it here.  Checks
3740         for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
3741         here.
3743 2007-01-26  Roger Sayle  <roger@eyesopen.com>
3745         * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
3746         function to simplify/factorize operand order canonicalization.
3747         (ix86_fixup_binary_operands): Reorganize using the above function.
3748         (ix86_binary_operator_ok): Likewise.
3750 2007-01-27  Jakub Jelinek  <jakub@redhat.com>
3752         * genattrtab.c (struct attr_value_list, insn_code_values): Move to
3753         file scope from optimize_attrs.
3754         (simplify_test_exp): If insn_code_values is not NULL, use it to speed
3755         up search.
3756         (optimize_attrs): Clear insn_code_values after freeing it.
3758 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
3760         * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
3761         a parts.base assignment.
3763 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
3765         * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
3766         (compute_subscript_distance, initialize_data_dependence_relation,
3767         finalize_ddr_dependent, analyze_ziv_subscript,
3768         analyze_siv_subscript_cst_affine,
3769         compute_overlap_steps_for_affine_univar,
3770         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
3771         analyze_siv_subscript, analyze_miv_subscript,
3772         analyze_overlapping_iterations, subscript_dependence_tester_1,
3773         compute_self_dependence, free_dependence_relation): Work
3774         with affine_fn instead of chrecs.
3775         (dump_affine_function, dump_conflict_function, affine_function_equal_p,
3776         common_affine_function, affine_function_base,
3777         affine_function_constant_p, affine_fn_op, affine_fn_plus,
3778         affine_fn_minus, affine_fn_free, conflict_fn_not_known,
3779         conflict_fn_no_dependence, free_conflict_function, free_subscripts,
3780         conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
3781         (all_chrecs_equal_p): Removed.
3782         * tree-data-ref.h (affine_fn, conflict_function): New types.
3783         (struct subscript): Change type of conflicting_iterations_in_a
3784         and conflicting_iterations_in_b.
3786 2007-01-26  Steve Ellcey  <sje@cup.hp.com>
3788         PR other/30182
3789         * config/pa/pa.h (TARGET_HPUX_11): New.
3790         * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
3791         * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
3793 2007-01-26  Daniel Berlin  <dberlin@dberlin.org>
3794         Richard Guenther  <rguenther@suse.de>
3796         * tree-ssa-structalias.c (solve_graph): Handle case
3797         we merged the variable to another.
3799 2007-01-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3801         * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
3802         functions.
3804         * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
3805         catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
3807 2007-01-25  DJ Delorie  <dj@redhat.com>
3809         * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
3810         allow changes to modes which don't fit in those registers.
3812         * reload1.c (choose_reload_regs): Check for invalid subregs before
3813         computing their locations, not after.
3815 2007-01-25  Geoffrey Keating  <geoffk@apple.com>
3817         PR 25127
3818         * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
3819         save Altivec registers in an eh_return function.
3820         (compute_vrsave_mask): Likewise.
3821         (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
3822         for saving Altivec registers.
3823         (rs6000_emit_prologue): Don't allocate stack twice in
3824         eh_return function.  Correct expected value of altivec_save_offset
3825         when using save_world.  Describe save of R0 to stack when using
3826         save_world.  Describe stack pointer adjustment when using
3827         save_world.  Remove duplicated eh_return parameter register saving.
3828         Update sp_offset variable after save_world.
3829         * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
3830         darwin-world.asm.
3831         (LIB2FUNCS_EXTRA): Add darwin-world.asm.
3832         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
3833         implies Altivec.
3835 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
3837         * config.gcc (ia64*-*-hpux*): Make posix threads the default.
3839 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
3841         PR other/30182
3842         * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
3843         * config/ia64/ia64.c (ia64_init_builtins):  Ditto.
3845 2007-01-25  Richard Guenther  <rguenther@suse.de>
3847         * doc/invoke.texi (-Wcoverage-mismatch): Document.
3848         * common.opt (-Wcoverage-mismatch): New warning option.
3849         * coverage.c (get_coverage_counts): Ignore coverage mismatch
3850         if -Wcoverage-mismatch is given.
3852 2007-01-25  Razya Ladelsky  <razya@il.ibm.com>
3854         * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
3855         (ipcp_driver): Change to static definition.
3856         Add dumping of the ifunctions.
3857         (constant_val_insert): Remove unused parameter. Support for SSA.
3858         (ipcp_propagate_const): Support for SSA.
3859         (ipcp_profile_bb_print): Print only analyzed nodes.
3860         (ipcp_replace_map_create): Remove support for Fortran constant
3861         for now.
3862         * ipa-prop.c (ipa_method_modify_stmt,
3863         ipa_callsite_compute_param): Support for SSA.
3864         * ipa-prop.h (ipcp_driver): Remove declaration.
3865         (IS_VALID_TREE_MAP_INDEX): Add define.
3867 2007-01-24  Geoffrey Keating  <geoffk@apple.com>
3869         * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
3871 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3873         PR middle-end/30447
3874         * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
3875         constant argument to cabs and do it without checking for
3876         -funsafe-math-optimizations.
3878 2007-01-24  Douglas Gregor  <dgregor@osl.iu.edu>
3880         * c-common.h (RID_FIRST_CXX0X): New.
3881         (RID_LAST_CXX0X): New.
3882         * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
3883         by -Wall.
3884         * c.opt (Wc++0x-compat): New.
3885         * doc/invoke.texi (-Wc++0x-compat): Document.
3887 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3889         * builtins.c (fold_builtin_carg): New.
3890         (fold_builtin_1): Use it.
3892 2007-01-24  Jan Hubicka  <jh@suse.cz>
3894         * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
3896         * ipa-inline.c (initial_insns, max_insns): Delete.
3897         (compute_max_insns): New function.
3898         (cgraph_decide_inlining_of_small_function): Use it; take minimal amount
3899         of insns as base for code growth.
3900         (cgraph_decide_inlining): Make initial_insns local; do not compute
3901         max_insns.
3902         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
3903         * doc/invoke.texi (inline-unit-growth): Update docs.
3905 2007-01-24  Jakub Jelinek  <jakub@redhat.com>
3907         * config/i386/i386.h (x86_cmpxchg16b): Remove const.
3908         (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
3909         * config/i386/i386.c (x86_cmpxchg16b): Remove const.
3910         (override_options): Add PTA_CX16 flag.  Set x86_cmpxchg16b
3911         for CPUs that have PTA_CX16 set.
3913         PR middle-end/27416
3914         * gimplify.c (omp_check_private): New function.
3915         (gimplify_scan_omp_clauses): Use it for
3916         firstprivate/lastprivate/reduction.
3918         PR middle-end/30494
3919         * gimplify.c (omp_add_variable): Don't call omp_notice_variable
3920         on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
3922         PR middle-end/30421
3923         * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
3924         If lower_lastprivate_clauses emits some statements, append them
3925         to dlist rather than body_p and to body_p append an initializer.
3926         (lower_omp_for): Adjust caller.
3928 2007-01-24  Steve Ellcey  <sje@cup.hp.com>
3930         * target.h (globalize_decl_name): New.
3931         * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
3932         * output.h (default_globalize_decl_name): New.
3933         * varasm.c (asm_output_bss): Use globalize_decl_name instead of
3934         globalize_label.
3935         (globalize_decl): Ditto.
3936         (default_globalize_decl_name): New.
3937         * config/ia64/ia64.c (ia64_globalize_decl_name): New.
3938         (ia64_handle_version_id_attribute): New.
3939         (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
3940         (ia64_asm_output_external): Use globalize_decl_name instead
3941         of globalize_label.
3942         * doc/extend.texi (version_id): New pragma.
3943         * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
3945 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
3947         * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
3948         _uleb128_t and _Unwind_SWord with _sleb128_t.
3949         * unwind-dw2.c (extract_cie_info, execute_stack_op, execute_cfa_program,
3950         uw_frame_state_for, uw_update_context_1): Likewise.
3951         * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
3952         * unwind-pe.h (read_uleb128, read_sleb128,
3953         read_encoded_value_with_base): Likewise.
3954         * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
3956 2007-01-24  Richard Guenther  <rguenther@suse.de>
3958         * builtins.c (expand_builtin_cexpi): Get the fndecl
3959         for cexp in the correct way.
3961 2007-01-24  Jan Hubicka  <jh@suse.cz>
3963         * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS of calls.
3965 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
3967         * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
3968         (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
3969         __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
3970         __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
3971         __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
3972         __SIZEOF_PTRDIFF_T__.
3973         * doc/cpp.texi: Documentation for the new builtin macros added.
3975 2007-01-24  Uros Bizjak  <ubizjak@gmail.com>
3977         * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
3978         log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
3979         instead of operands[2] to avoid access past the end of array.
3981 2007-01-24  Richard Sandiford  <richard@codesourcery.com>
3983         * reload1.c (emit_reload_insns): Pass the reload register
3984         for a non-spill output reload through forget_old_reloads_1.
3986 2007-01-23  Joseph Myers  <joseph@codesourcery.com>
3988         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
3989         _SOFT_DOUBLE if doubles use software floating-point.
3990         * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
3991         double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
3992         * config/rs6000/darwin-ldouble.c: Also compile functions for
3993         hard-float without FPRs.  Use fmsub function for all __NO_FPRS__
3994         cases.  Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
3995         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
3996         commented-out long double override.
3997         (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
3998         * config/rs6000/eabispe.h: Likewise.
3999         * config/rs6000/rs6000.c (rs6000_override_options): Don't override
4000         long double for non-SPE.
4001         (rs6000_handle_option): Likewise.
4002         (invalid_e500_subreg): Disallow more subregs involding DImode,
4003         DFmode, TImode or TFmode.
4004         (rs6000_legitimate_offset_address_p): Check TFmode offsets for
4005         E500 double.
4006         (legitimate_lo_sum_address_p): Also check for TFmode for E500
4007         double.
4008         (rs6000_legitimize_address): Also handle TFmode for E500 double.
4009         (rs6000_legitimize_reload_address): Also handle TFmode for E500
4010         double.
4011         (rs6000_legitimate_address): Also check for TFmode for E500
4012         double.
4013         (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
4014         (spe_build_register_parallel): Handle TFmode and TCmode.
4015         (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
4016         double.
4017         (function_arg): Handle TFmode and TCmode for E500 double.
4018         (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
4019         in general.
4020         (print_operand): Handle TFmode and TImode for %y.
4021         (rs6000_generate_compare): Handle TFmode comparisons for E500
4022         double.
4023         (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
4024         (rs6000_function_value): Handle TFmode and TCmode for E500 double.
4025         (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
4026         * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
4027         TFmode for E500 double.
4028         * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
4029         (floatsidf2): Enable for E500 double.
4030         (movtf_softfloat): Use rs6000_nonimmediate_operand.
4031         (extenddftf2): Change to extenddftf2_fprs.
4032         (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
4033         depending on TARGET_E500_DOUBLE.
4034         (extendsftf2): Enable for E500 double.
4035         (trunctfdf2): Enable for E500 double.
4036         (trunctfsf2): Change to trunctfsf2_fprs.
4037         (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
4038         depending on TARGET_E500_DOUBLE.
4039         (floatsitf2): Enable for E500 double.
4040         (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
4041         (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
4042         gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
4043         (negtf2): Change to negtf2_internal.
4044         (negtf2): New expander.
4045         (abstf2): Enable for E500 double.  Call gen_spe_abstf2_tst,
4046         gen_spe_abstf2_cmp or gen_abstf2_internal depending on
4047         TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
4048         (movdi_internal32): Use rs6000_nonimmediate_operand.
4049         (unnamed splitter): Likewise.
4050         * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
4051         TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
4052         (SPE64TF, DITI): New mode macros.
4053         (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
4054         modes.
4055         (frob_tf_ti): New.
4056         (frob_<mode>_di_2): New.
4057         (frob_tf_di_8_2): New.
4058         (frob_di_df): Change to frob_di_<mode>; allow more modes.
4059         (frob_ti_tf): New.
4060         (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
4061         more modes.
4062         (frob_ti_<mode>_8_2): New.
4063         (frob_ti_tf_2): New.
4064         (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
4065         mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
4066         TFmode.
4067         (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
4068         mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
4069         (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
4070         spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
4071         spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
4072         (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
4073         tsttflt_gp): New.
4075 2007-01-23  Ian Lance Taylor  <iant@google.com>
4077         * Makefile.in (OBJS-common): Reformat, alphabetize, but put
4078         insn-*.o first.
4079         (OBJS-archive): Reformat, alphabetize.
4080         (OBJS): Change out_object_file to OBJS-md.
4082 2007-01-23  Uros Bizjak  <ubizjak@gmail.com>
4084         * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
4085         JUMP_P and CALL_P predicates where applicable.
4086         * config/i386/i386.c: Ditto.
4087         * config/i386/i386.md: Ditto.
4088         * config/i386/mmx.md: Ditto.
4089         * config/i386/predicates.md: Ditto.
4091 2007-01-22  Andreas Schwab  <schwab@suse.de>
4093         * config/m68k/m68k.h: Fix comment.
4095 2007-01-22  Jan Hubicka  <jh@suse.cz>
4097         * passes.c (init_optimization_passes): Do not rerun
4098         pass_early_warn_uninitialized.
4100 2007-01-22  Richard Guenther  <rguenther@suse.de>
4102         PR tree-optimization/30038
4103         * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
4104         function.
4105         (execute_cse_sincos_1): Likewise.
4106         (execute_cse_sincos): Likewise.
4107         (gate_cse_sincos): Likewise.
4108         (pass_cse_sincos): New pass CSEing sin() and cos() calls using
4109         the cexpi() canonicalization of sincos().
4110         * tree-pass.h (pass_cse_sincos): Declare.
4111         * passes.c (init_optimization_passes): New pass pas_cse_sincos.
4113 2007-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
4115         PR rtl-optimization/29329
4116         * combine.c (replaced_rhs_insn): Rename to i2mod.
4117         (replaced_rhs_value): Rename to i2mod_new_rhs.
4118         (i2mod_old_rhs): New global variable.
4119         (combine_instructions): Adjust for above change.  Save a copy of
4120         the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
4121         note are substituted in the second instruction.
4122         (distribute_notes) <REG_DEAD>: Adjust for above change.  Do not
4123         ditch the note if it pertains to the second eliminated register
4124         and this register is mentioned in i2mod_old_rhs.
4126         Revert:
4127         2006-09-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
4129         * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
4130         the insn to which the note was originally attached.
4132 2007-01-21  Jan Hubicka  <jh@suse.cz>
4134         * ipa-inline.c (inlining_mode): Comment, move up.
4135         (cgraph_decide_inlining_incrementally): Do not perform inlining
4136         itself; fix handling of flattening of self recursive functions.
4137         (cgraph_find_cycles): Remove.
4138         (cgraph_flatten_node): Remove.
4139         (cgraph_decide_inlining): Use incremental inliner to handle flattening.
4140         (try_inline): New function.
4141         (cgraph_early_inlining): Update call of
4142         cgraph_decide_inlining_incrementally.  Apply inlining here.
4143         (apply_inline): Update call of cgraph_decide_inlining_incrementally.
4145 2007-01-21  Dirk Mueller  <dmueller@suse.de>
4147         PR bootstrap/30511
4148         * tree-vrp.c (check_array_bounds): do not warn
4149         about ADDR_EXPR's of ARRAY_REF's which are immediately
4150         used in binary expressions.
4152 2007-01-21  Ira Rosen  <irar@il.ibm.com>
4154         * tree-vectorizer.h (struct _stmt_vec_info): Add new field
4155         read_write_dep and macros for its access.
4156         * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
4157         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
4158         argument, call vect_check_interleaving for every independent pair of
4159         data-refs. Mark loads that access the same memory location as a store
4160         in the loop.
4161         (vect_check_dependences): Remove.
4162         (vect_analyze_data_ref_dependences): Remove  vect_check_dependences
4163         call, fix the call to vect_analyze_data_ref_dependence.
4164         (vect_analyze_data_ref_access): For statements that access the same
4165         data-ref, check that they are not stores; for loads, check that there
4166         is no store that access the same location.
4168 2007-01-20  Roger Sayle  <roger@eyesopen.com>
4169             Joseph Myers  <joseph@codesourcery.com>
4171         * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
4172         (-fdump-rtl-stack): Likewise.
4173         (-fno-signed-zeros): Use @minus{} for a minus sign.  Correct typo.
4174         (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
4175         (-mpt-fixed): Use @minus{} for minus sign.
4176         (Using Precompiled Headers): Fix under/overfull hbox.
4178 2007-01-20  Jan Hubicka  <jh@suse.cz>
4180         * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
4181         place within annotation.
4183 2007-01-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4185         * pa.c (output_move_double): Change array size of xoperands to 4.
4187 2007-01-20  Jan Hubicka  <jh@suse.cz>
4189         * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
4190         as temporary.
4192 2007-01-19  Ian Lance Taylor  <iant@google.com>
4194         * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
4195         constant to unsigned HOST_WIDE_INT before negating.
4197 2007-01-19  Ian Lance Taylor  <iant@google.com>
4199         * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
4200         to unsigned.
4201         (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
4202         (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
4203         (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
4204         (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
4205         (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
4206         (realloc_vdef, realloc_vuse): Change second parameter to
4207         unsigned.
4208         (ssa_operand_iterator_d): Change vuse_index and mayuse_index
4209         fields to unsigned.
4210         * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
4211         unsigned. Change x and lim locals to unsigned.
4212         (realloc_vdef, realloc_vuse): Change num_elem parameter to
4213         unsigned.
4214         (finalize_ssa_vuse_ops): Change old_i local to unsigned.
4215         (copy_virtual_operands): Change i and n locals to unsigned.
4217 2007-01-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4219         PR middle-end/29335
4220         * builtins.c (fold_builtin_1): Handle builtin fdim.
4222 2007-01-20  Jan Hubicka  <jh@suse.cz>
4224         * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
4225         * tree-ssa-structalias.c (compute_points_to_sets): Do call
4226         init_alias_heapvars.
4227         (init_alias_heapvars): Initialize only when not already initialized.
4228         (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
4230 2007-01-19  Roger Sayle  <roger@eyesopen.com>
4232         * common.opt (fsigned-zeros): New command line option.
4233         * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
4234         of flag_unsafe_math_optimizations.
4235         * opts.c (set_fast_math_flags): The -ffast-math command line option
4236         implies -fno-signed-zeros.
4237         (fast_math_flags_set_p): Likewise.
4239         * doc/invoke.texi: Document new -fno-signed-zeros option, and update
4240         the documentation of -ffast-math appropriately.  Wrap long lines.
4242 2007-01-19  Steve Ellcey  <sje@cup.hp.com>
4244         * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
4245         * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
4247 2007-01-19  Tomas Bily  <tbily@suse.cz>
4249         * cgraphunit.c (cgraph_finalize_function): Updating of pid
4250         * tree-profile.c:
4251         (tree_init_ic_make_global_vars): New function
4252         (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
4253         (tree_gen_ic_profiler): New function
4254         (tree_gen_ic_func_profiler): New function
4255         (tree_profiling): Added calling of tree_gen_ic_func_profiler
4256         (tree_profile_hooks): Added hook for indirec/virtual calls
4257         * value-prof.c (tree_find_values_to_profile): New case for
4258         indirect calls
4259         (tree_values_to_profile): Call for determining indirect/virtual
4260         counters
4261         (tree_indirect_call_to_profile): New function
4262         (tree_ic_transform): New function
4263         (tree_ic): New function
4264         (find_func_by_pid): New function
4265         (init_pid_map): New function
4266         (tree_value_profile_transformations): Added check for
4267         indirect/virtual call transformation
4268         * value-prof.h (enum hist_type): New counter type for
4269         indirect/virtual calls
4270         (profile_hooks): Added new hook for profiling indirect/virtual
4271         calls
4272         * profile.c (instrument_values): New case for indirect/virtual
4273         call added
4274         * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
4275         (GCOV_COUNTER_V_INDIR): New counter type
4276         (GCOV_COUNTER_NAMES): New name of counter "indirect" added
4277         (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
4278         call added
4279         * cgraph.c: Definition of cgraph_max_pid
4280         (cgraph_create_node): Default init of pid attribute
4281         * cgraph.h: Declaration of cgraph_max_pid
4282         (struct cgraph_node): Added pid attribute
4283         * libgcov.c (__gcov_indirect_call_profiler): New function
4284         (__gcov_one_value_profiler_body): New function
4285         (__gcov_one_value_profiler): Body was moved to
4286         __gcov_one_value_profiler_body and calls it
4288 2007-01-19  Basile Starynkevitch  <basile@starynkevitch.net>
4290         * doc/gty.texi (Options): Document the mark_hook option to GTY.
4291         * gengtype.c (write_types_data, write_func_for_structure,
4292         write_types, ggc_wtd, pch_wtd): Add skip_hooks to
4293         write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
4294         (walk_type, write_func_for_structure): Generate the mark_hook if
4295         needed.
4297 2007-01-19  Jan Hubicka  <jh@suse.cz>
4299         * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
4300         'early' argument take inlining mode argument specifying whether to
4301         inline for size/speeed or all functions; add support for flattening;
4302         improve dumpting.
4303         (cgraph_early_inlining): Update call of decide_inlining_incrementally.
4305 2007-01-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4307         PR c++/17947
4308         * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
4309         the name of the declared identifier.
4311 2007-01-19  Dirk Mueller  <dmueller@suse.de>
4313         * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
4314         result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
4315         duplicate evaluation.
4317 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
4319         * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
4320         Macroize expander using X87MODEF12 mode macro.  Extend operand 1
4321         to XFMode, use acosxf2 and truncate result to requested mode.
4322         Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
4323         (asin<mode>2): Similarly, with asin expanders.
4324         (*fscalexf4_i387): Rename from *fscalexf4.
4325         (expNcorexf3): New expander.
4326         (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
4327         (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
4328         X87MODEF12 mode macro.  Extend operand 1 to XFMode, use expxf2 and
4329         truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
4330         patterns for SSE math.
4331         (exp10<mode>2): Similarly, with exp10 expanders.
4332         (exp2<mode>2): Similarly, with exp2 expanders.
4333         (expm1<mode>2): Similarly, with expm1 expanders.
4334         (ldexp<mode>3): Similarly, with ldexp expanders.
4335         (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
4336         Use gen_truncxf<mode>2_i387_noop to truncate result.
4338 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
4340         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
4341         for ColdFire targets.
4343 2007-01-19  Nathan Sidwell  <nathan@codesourcery.com>
4344             Richard Sandiford  <richard@codesourcery.com>
4346         * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
4347         (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
4348         (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
4349         * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
4350         (M68K_STATIC_CHAIN_REG_NAME): Likewise.
4351         * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
4353 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
4355         * config/m68k/m68k.md (adddi_dilshr32): Rename to...
4356         (*adddi_dilshr32): ...this.  Fix formatting.  Remove commented-out
4357         non-canonical pattern.  Restrict to !TARGET_COLDFIRE.
4358         (*adddi_dilshr32_cf): New pattern.
4359         (adddi3, subdi3): Remove first alternatives.
4361 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
4363         * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
4364         implemented using move.l, do not use its cc result for floating-point
4365         comparisons.
4367 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
4369         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
4370         from accepting 's' constraints if flag_pic.
4372 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
4374         * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
4375         (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
4376         (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
4377         condition from TARGET_68881 to TARGET_HARD_FLOAT.
4379 2007-01-19  Sandra Loosemore  <sandra@codesourcery.com>
4381         * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
4382         ColdFire alternatives.
4383         * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
4384         * config/m68k/m68k.md (clzsi2):  Define for ColdFire
4385         architectures that support ff1 instruction.
4387 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
4388             Julian Brown  <julian@codesourcery.com>
4390         * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
4391         * config/m68k/m68k.md (*movsi_cfv4): Fold into...
4392         (*movsi_cf): ...here.  Remove unnecessary 'R' from 'Rg'.
4393         Add commentary.
4395 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
4397         * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
4398         and return a bool.
4399         (output_move_const_into_data_reg, output_move_simode_const): Delete.
4400         * config/m68k/m68k.c (const_method, const_int_cost): Take a
4401         HOST_WIDE_INT instead of an rtx.
4402         (m68k_rtx_costs): Update call accordingly.
4403         (output_move_const_into_data_reg): Likewise.  Fix formatting.
4404         (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
4405         Return a bool.
4406         (output_move_simode_const): Update calls after above changes.
4407         Rework to use automatic variables and predicates like MEM_P.
4408         * config/m68k/m68k.md (pushexthisi_const): Update call to
4409         valid_mov3q_const.
4411 2007-01-19  Dirk Mueller  <dmueller@suse.de>
4413         * tree-ssa-alias.c (perform_var_substitution): Fix typo
4414         in dump_flags test.
4416 2007-01-19  Richard Guenther  <rguenther@suse.de>
4418         * builtins.c (expand_builtin_cexpi): Fall back to expanding
4419         via cexp in case sincos is not available.
4421 2007-01-19  Richard Guenther  <rguenther@suse.de>
4423         * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
4424         * defaults.h (TARGET_HAS_SINCOS): Default to off.
4425         * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
4426         * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
4427         * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
4428         * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
4429         * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
4430         * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
4432 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
4434         * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
4435         New insn patterns.
4436         (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
4437         (atan2xf3): Directly generate RTL pattern.
4438         (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
4439         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
4440         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
4441         disable patterns for SSE math.
4442         (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
4443         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
4444         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
4445         disable patterns for SSE math.
4447 2007-01-19  Alexandre Oliva  <aoliva@redhat.com>
4449         * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
4451 2007-01-18  Roger Sayle  <roger@eyesopen.com>
4453         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
4454         VIEW_CONVERT_EXPR to the same type as it's operand.
4456 2007-01-18  David Edelsohn  <edelsohn@gnu.org>
4458         * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
4459         configured for long double 128.
4461 2007-01-18  Mike Stump  <mrs@apple.com>
4463         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
4464         error.
4466 2007-01-18  Michael Meissner  <michael.meissner@amd.com>
4468         * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
4469         type correct.
4471 2007-01-18  Jan Hubicka  <jh@suse.cz>
4473         * tree-ssa-operands.c (vop_free_bucket_size): Never return value
4474         greater than NUM_VOP_FREE_BUCKETS.
4476 2007-01-18  Daniel Berlin  <dberlin@dberlin.org>
4478         * tree-ssa-structalias.c: Update comments.
4479         (ptabitmap_obstack): Removed.
4480         (pta_obstack): New.
4481         (oldpta_obstack): Ditto.
4482         (stats): Add a few members.
4483         (struct variable_info): Remove node, complex, address_taken, and
4484         indirect_target members. Add oldsolution member.
4485         (new_var_info): Do not initialize removed members.
4486         (constraint_expr_type): Remove INCLUDES.
4487         (constraint_graph): Add size, implicit_preds, rep,
4488         indirect_cycles, eq_rep, label, direct_nodes, and complex members.
4489         (FIRST_REF_NODE): New macro.
4490         (LAST_REF_NODE): Ditto.
4491         (FIRST_ADDR_NODE): Ditto.
4492         (find): New function.
4493         (unite): Ditto.
4494         (dump_constraint): Do not handle INCLUDES.
4495         (insert_into_complex): Do not insert duplicate constraints.
4496         (condense_varmap_nodes): Renamed and rewritten into ...
4497         (merge_node_constraints): This. Also fix bug in handling of
4498         offseted copy constraints.
4499         (clear_edges_for_node): No longer need to deal with preds at all,
4500         or removing associated preds/succs.
4501         (merge_graph_nodes): Deal with indirect_cycles.
4502         Don't deal with predecessors.
4503         (add_implicit_graph_edge): New function.
4504         (add_pred_graph_edge): Ditto.
4505         (add_graph_edge): Don't deal with predecessors.
4506         (build_constraint_graph): Removed.
4507         (build_pred_graph): New function.
4508         (build_succ_graph): Ditto.
4509         (struct scc_info): Removed in_component. Added roots, dfs, and
4510         node_mapping. Remove visited_index, unification_queue.
4511         (scc_visit): Deal with union-find we do now.
4512         Deal with cycles with REF nodes.
4513         (collapse_nodes): Renamed and rewritten to ...
4514         (unify_nodes): This.
4515         (process_unification_queue): Removed.
4516         (topo_visit): Cleanup
4517         (do_da_constraint): Use find.
4518         (do_sd_constraint): Ditto.
4519         (do_ds_constraint): Ditto.
4520         (do_complex_constraint): Ditto.
4521         (init_scc_info): Update for removed and added members.
4522         (find_and_collapse_graph_cycles): Renamed and rewritten into ...
4523         (find_indirect_cycles): This.
4524         (equivalence_class): New variable.
4525         (label_visit): New function.
4526         (perform_variable_substitution): Rewritten.
4527         (free_var_substitution_info): New function.
4528         (find_equivalent_node): Ditto.
4529         (move_complex_constraints): Ditto.
4530         (eliminate_indirect_cycles): Ditto.
4531         (solve_graph): Only propagate changed bits.
4532         Use indirect cycle elimination.
4533         Use find.
4534         (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
4535         (tree_id_eq): Renamed to ...
4536         (tree_vi_eq): This. Update for member change
4537         (insert_id_for_tree): Renamed and rewritten to ...
4538         (insert_vi_for_tree): This.
4539         (lookup_id_for_tree): Renamed and rewritten to ...
4540         (lookup_vi_for_tree): This.
4541         (get_id_for_tree): Renamed and rewritten to ...
4542         (get_vi_for_tree): Ditto.
4543         (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
4544         (process_constraint): Don't handle INCLUDES.
4545         Remove special ADDRESSOF case.
4546         (find_func_aliases): Rewrite to use vi functions instead of id
4547         ones.
4548         (create_function_info_for): Ditto.
4549         (create_variable_info_for): Ditto.
4550         (intra_create_variable_infos): Ditto.
4551         (merge_smts_into): Ditto.
4552         (find_what_p_points_to): Ditto.
4553         (init_base_vars): Ditto.
4554         (init_alias_vars): Ditto.
4555         (remove_preds_and_fake_succs): New function.
4556         (dump_sa_points_to_info): Dump new stats.
4557         (dump_solution_for_var): Use find.
4558         (set_used_smts): Fix formatting.
4559         (compute_points_to_sets): Updated for new functions.
4560         (ipa_pta_execute): Ditto.
4562 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
4563             Richard Sandiford  <richard@codesourcery.com>
4565         * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
4566         parallels.
4567         * calls.c (expand_call): If the return value is a PARALLEL,
4568         extract its first member.
4569         * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
4570         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
4571         use FUNCTION_EXTRA_EPILOGUE.
4572         (m68k_function_value): Return a PARALLEL if the return value
4573         is of a pointer type.
4574         * config/m68k/netbsd-elf.h (current_function_returns_pointer)
4575         (FUNCTION_EXTRA_EPILOGUE): Remove.
4576         * config/m68k/m68k.md (D0_REG): New constant.
4578 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
4580         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
4581         output a NOP for empty epilogues.
4583 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4585         * config/m68k/m68k.c (m68k_use_return_insn): Update comments
4586         before function.  Extend register save check to include all
4587         registers, not just integer ones.
4589 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
4591         * config/m68k/m68k-protos.h (use_return_insn): Rename to...
4592         (m68k_use_return_insn): ...this.
4593         * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
4594         * config/m68k/m68k.c (use_return_insn): Rename to...
4595         (m68k_use_return_insn): ...this.
4596         * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
4597         of USE_RETURN_INSN.
4599 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
4601         * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
4602         nearest even, fix denormal rounding overflow.
4604 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4606         * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
4607         f%$smove and f%$move.
4608         (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
4609         (extendsfdf2_cf): Use fdmove instead of f%&move.
4610         (truncdfsf2_cf): Use fsmove instead of f%$smove.
4611         (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
4613 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4615         * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
4616         GPR<-GPR moves.
4618 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4620         * real.h (real_format): Add a canonical_nan_lsbs_set field.
4621         (coldfire_single_format): Declare.
4622         (coldfire_double_format): Likewise.
4623         * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
4624         of qnan_msb_set to determine the lower bits of a canonical
4625         NaN significand.
4626         (encode_ieee_double): Likewise.
4627         (encode_ieee_quad): Likewise.
4628         (ieee_single_format): Initialize canonical_nan_lsbs_set.
4629         (mips_single_format): Likewise.
4630         (ieee_double_format): Likewise.
4631         (mips_double_format): Likewise.
4632         (ieee_extended_motorola_format): Likewise.
4633         (ieee_extended_intel_96_format): Likewise.
4634         (ieee_extended_intel_128_format): Likewise.
4635         (ieee_extended_intel_96_round_53_format): Likewise.
4636         (ibm_extended_format): Likewise.
4637         (mips_extended_format): Likewise.
4638         (ieee_quad_format): Likewise.
4639         (mips_quad_format): Likewise.
4640         (vax_f_format): Likewise.
4641         (vax_d_format): Likewise.
4642         (vax_g_format): Likewise.
4643         (i370_single_format): Likewise.
4644         (i370_double_format): Likewise.
4645         (decimal_single_format): Likewise.
4646         (decimal_double_format): Likewise.
4647         (decimal_quad_format): Likewise.
4648         (c4x_single_format): Likewise.
4649         (c4x_extended_format): Likewise.
4650         (real_internal_format): Likewise.
4651         (coldfire_single_format): New real_format.
4652         (coldfire_double_format): Likewise.
4653         * config/pdp11/pdp11.c (pdp11_f_format): Initialize
4654         canonical_nan_lsbs_set.
4655         (pdp11_d_format): Likewise.
4656         * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
4657         if TARGET_COLDFIRE_CPU.
4659 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4661         * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
4662         (output_call, m68k_legitimize_call_address): Declare.
4663         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
4664         parenthesees.  Add support for a 'W' constraint.
4665         (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
4666         (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
4667         (m68k_symbolic_call, m68k_symbolic_jump): Declare.
4668         * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
4669         variables.
4670         (override_options): Initialize them.  Do not set flag_no_function_cse
4671         for TARGET_ID_SHARED_LIBRARY.
4672         (m68k_output_pic_call): Delete.
4673         (m68k_legitimize_call_address): New function.
4674         (print_operand): Remove the %o prefix.  Handle the %p prefix.
4675         (output_call): New function.
4676         (m68k_output_mi_thunk): Use m68k_symbolic_jump.  Always load the
4677         target address from the GOT if symbolic jumps are not allowed.
4678         * config/m68k/m68k.md (call, general_operand): Do not set
4679         SYMBOL_REF_FLAG.  Use m68k_legitimize_call_address instead.
4680         Merge separate flag_pic and !flag_pic define_insns into...
4681         (*call, *call_value): ...these new patterns.  Match the address
4682         rather than the containing MEM and require it to be a call_operand.
4683         Use output_call to generate the asm template.
4684         * config/m68k/predicates.md (const_call_operand): New predicate.
4685         (call_operand): Likewise.
4687 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
4689         * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
4690         (STACK_GROWS_DOWNWARD): Define to 1.
4691         (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
4692         comments, emphasizing that these values are only defaults.
4693         * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
4694         * config/m68k/m68k.c (const_method): Remove trailing whitespace.
4696 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4698         * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
4700 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
4701             Richard Sandiford  <richard@codesourcery.com>
4703         * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
4704         (FP_REGNO_P): New macros.
4705         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
4706         (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
4707         (EH_RETURN_STACKADJ_RTX): Use A0_REG.
4708         * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
4710 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
4712         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
4713         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
4714         to $tmake_file.
4715         * config/m68k/t-floatlib: New file, extracting common code from...
4716         * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
4717         * config/m68k/t-uclinux: Here.
4718         * config/m68k/fpgnulib.c: Do not compile extendeed precision
4719         routines on ColdFire targets.
4721 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
4723         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
4724         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
4725         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
4726         (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
4727         explicitly set MOTOROLA to 1.
4728         * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
4730 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4731             Nathan Sidwell  <nathan@codesourcery.com>
4733         * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
4734         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
4735         * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
4736         * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
4737         * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
4738         * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
4739         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
4740         (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
4741         (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
4742         * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
4743         * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
4744         (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
4745         (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
4746         (DBX_REGISTER_NUMBER): Delete.
4747         * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
4748         (PCC_STATIC_STRUCT_RETURN): Don't undefine.
4749         * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
4751 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4753         * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
4754         * config/flat.h: New file.
4755         * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
4756         OBJECT_FORMAT_FLAT.
4757         * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
4758         indirect references for -msep-data or -mid-shared-library.
4759         Do not use PC-relative code addresses either.
4760         * config/m68k/m68k.c (override_options): Restrict -fPIC error
4761         to -mpcrel.
4762         * config/m68k/uclinux.h (STARTFILE_SPEC): Define.  Use Scrt1.o
4763         for shared libraries and crt1.o for executables.  Use crti.o and
4764         crtbegin.o.
4765         (ENDFILE_SPEC): Use crtend.o and crtn.o.
4766         (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
4767         Do not add -elf2flt or -shared-lib-id options here.
4768         (LINK_SPEC): Define.  Pass -elf2flt if no -elf2flt option is given.
4769         Pass -shared-lib-id if -mid-shared-library, taking the library
4770         identifier from -mshared-library-id if given, otherwise
4771         defaulting to 0.
4772         (EH_FRAME_IN_DATA_SECTION): Do not undefine.
4773         (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
4774         (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
4775         and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
4776         (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
4777         * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
4778         and crtend.o.
4779         * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
4780         jump sequence for ISA A and ISA A+.
4781         (PICJUMP): Likewise.
4783 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4785         * config.gcc (m68k-*-uclinux*): Base the port on the common
4786         and m68k GNU/Linux files rather than on the generic ELF ones.
4787         * config/m68k/uclinux.h (TARGET_VERSION): Override.
4788         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
4790 2007-01-18  Julian Brown  <julian@codesourcery.com>
4791             Richard Sandiford  <richard@codesourcery.com>
4793         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
4794         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
4795         * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
4796         before redefining.
4797         * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
4798         80 unconditionally.
4799         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
4801 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4803         * doc/install.texi: Document m68k-uclinuxoldabi.
4804         * config.gcc (m68k-*-uclinuxoldabi): New configuration.
4805         * config/m68k/uclinux-oldabi.h: New file, copied from
4806         config/m68k/uclinux.h.
4808 2007-01-18  Kaz Kojima  <kkojima@rr.iij4u.or.jp>
4810         * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
4811         * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
4812         (m32r_compute_frame_size): Use unsigned for regno.
4813         (m32r_reload_lr): Use gen_frame_mem.
4814         (pop): New.
4815         (m32r_output_function_epilogue): Don't output the function epilogue
4816         textually here.
4817         (m32r_expand_epilogue): New.
4818         (direct_return): Return false if the function has the interrupt
4819         attribute.
4820         (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
4821         * config/m32r/m32r.md (epilogue): New expander.
4822         (return_lr, return_rte): New insns.
4823         (return): Make it expander.
4824         (return_normal): New expander.
4826 2007-01-18  Josh Conner  <jconner@apple.com>
4828         PR target/30485
4829         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
4830         support for UNLE, UNLT, UNGE, and UNGT.
4832 2007-01-18  Jan Hubicka  <jh@suse.cz>
4834         * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
4835         * tree-tailcall (add_virtual_phis): Likewise.
4836         (optimize_tail_call): Return TODOs.
4837         (execute_tail_calls): Return TODOs.
4838         * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
4839         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
4840         changed.
4841         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
4842         Cleanup cfg using TODO.
4843         * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
4844         * passes.c (execute_function_todo): When cleanup did something, remove
4845         unused locals.
4846         * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
4847         (make_edges): Don't cleanup_cfg.
4849 2007-01-18  Uros Bizjak  <ubizjak@gmail.com>
4851         * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
4852         UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
4853         operate on the top of stack.
4854         [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
4855         register handling of instructions that output to the second
4856         stack slot.
4857         [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
4858         (move_for_stack_reg): Special-case check for dead destination
4859         stack slot for constant load of 1.0 inside UNSPEC_TAN.
4861         * config/i386/i386.md (UNSPEC_TAN): New constant.
4862         (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
4863         (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
4864         to correctly model move of constant 1.0 to top stack slot.
4865         (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
4866         (unnamed peephole2 pattern): Remove corresponding peephole2
4867         pattern that optimizes tan insn and loading of constant 1.0.
4868         (tanxf2): Use fptanxf4_i387.
4869         (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
4870         patterns using X87MODEF12 mode macro.  Use fptan_extend<mode>xf4_i387
4871         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
4872         disable patterns for SSE math.
4873         (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
4874         (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
4876 2007-01-18  Dirk Mueller  <dmueller@suse.de>
4877             Richard Guenther <rguenther@suse.de>
4879         PR diagnostic/8268
4880         * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
4881         * common.opt (Warray-bounds): Add new warning option.
4882         * c-opts.c (c_common_handle_option): Define -Warray-bounds
4883         if -Wall is given.
4884         * Makefile.in: make tree-vrp.o depend on toplev.h
4885         * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
4886         is enabled.
4887         (check_array_refs, check_array_bounds, check_array_ref): New.
4889 2007-01-18  Jan Hubicka  <jh@suse.cz>
4891         * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
4892         (execute_ssa_ccp): Return flags conditionally.
4893         * tree-ssa-propagate.c (substitue_and_fold): Return if something was
4894         changed.
4895         * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
4897 2007-01-18  Steven Bosscher  <steven@gcc.gnu.org>
4899         * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
4900         the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
4902         * Makefile.c (GTFILES): Add cfglayout.h.
4903         * gengtype.c (open_base_files): Likewise.
4904         * cfglayout.c (cfg_layout_function_footer,
4905         cfg_layout_function_header) Reindent to make gengtype happy.
4906         * cfglayout.h (cfg_layout_function_footer,
4907         cfg_layout_function_header): Add GTY(()) marker.
4909         * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
4911 2007-01-18  Ben Elliston  <bje@au.ibm.com>
4913         * genautomata.c (write_automata): Include xstrerror output in the
4914         error message if writing the DFA description file fails.
4916 2007-01-17  H.J. Lu  <hongjiu.lu@intel.com>
4918         * config/mips/mips-protos.h (mips_output_external): Make it
4919         return void.
4920         * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
4921         * config/mips/mips.c (irix_output_external_libcall): Likewise.
4922         (extern_list): Likewise.
4923         (extern_head): Likewise.
4924         (TARGET_ASM_FILE_END): Likewise.
4925         (mips_file_end): Likewise.
4926         (mips_output_external): Rewritten.
4928 2007-01-18  Ben Elliston  <bje@au.ibm.com>
4930         * genpreds.c (write_insn_preds_c): Only write out the function
4931         body for regclass_for_constraint if we have register constraints.
4933 2007-01-17  Tom Tromey  <tromey@redhat.com>
4935         * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
4936         * doc/install.texi (Testing): Use sourceware.org.
4937         (Binaries): Likewise.
4938         (Specific): Likewise.
4939         * doc/contrib.texi (Contributors): Use sourceware.org.
4941 2007-01-17  Anatoly Sokolov <aesok@post.ru>
4943         * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
4944         (AVR_ENHANCED): Rename to ...
4945         (AVR_HAVE_MUL): ... new.
4946         (avr_enhanced_p): Rename to ...
4947         (avr_have_mul_p): ... new.
4948         (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of
4949         'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
4950         * config/avr/avr.c (avr_enhanced_p): Rename to ...
4951         (avr_have_mul_p): ... new.
4952         (base_arch_s): Rename 'enhanced' to 'have_mul'.
4953         (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
4954         'avr_enhanced_p' and 'enhanced'.
4955         (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use
4956         AVR_HAVE_MUL instead of AVR_ENHANCED.
4957         * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
4958         (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3,
4959         *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL
4960         instead of AVR_ENHANCED.
4961         (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
4962         * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
4963         (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
4965 2007-01-17  Ian Lance Taylor  <iant@google.com>
4967         * vec.h (VEC_reserve_exact): Define.
4968         (vec_gc_p_reserve_exact): Declare.
4969         (vec_gc_o_reserve_exact): Declare.
4970         (vec_heap_p_reserve_exact): Declare.
4971         (vec_heap_o_reserve_exact): Declare.
4972         (VEC_OP (T,A,reserve_exact)): New static inline function, three
4973         versions.
4974         (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
4975         negative parameter.
4976         (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
4977         (VEC_OP (T,A,copy)) [all versions]: Likewise.
4978         (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
4979         * vec.c (calculate_allocation): Add exact parameter.  Change all
4980         callers.
4981         (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
4982         (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
4983         (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
4984         (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
4985         (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
4986         (vec_heap_p_reserve_exact): New function.
4987         (vec_heap_o_reserve_exact): New function.
4989 2007-01-17  Jan Hubicka  <jh@suse.cz>
4991         * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
4993 2007-01-17  Eric Christopher  <echristo@apple.com>
4995         * config.gcc: Support core2 processor.
4997 2007-01-16  Jan Hubicka  <jh@suse.cz>
4999         * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
5000         the names, just unlink the chain so we don't crash on dangling pointers
5001         to dead SSA names.
5003 2007-01-16  Jan Hubicka  <jh@suse.cz>
5005         * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
5006         * tree-pass.h: Reorder to make IPA passes appear toegher.
5007         (pass_early_inline, pass_inline_parameters, pass_apply_inline): Declare.
5008         * cgraphunit.c (cgraph_finalize_function): Do not compute inling
5009         parameters, do not call early inliner.
5010         * ipa-inline.c: Update comments.  Include tree-flow.h
5011         (cgraph_decide_inlining): Do not compute inlining parameters.
5012         (cgraph_decide_inlining_incrementally): Return TODOs; assume to
5013         be called with function context set up.
5014         (pass_ipa_inline): Remove unreachable functions before pass.
5015         (cgraph_early_inlining): Simplify assuming to be called from the
5016         PM as local pass.
5017         (pass_early_inline): New pass.
5018         (cgraph_gate_ipa_early_inlining): New gate.
5019         (pass_ipa_early_inline): Turn into simple wrapper.
5020         (compute_inline_parameters): New function.
5021         (gate_inline_passes): New gate.
5022         (pass_inline_parameters): New pass.
5023         (apply_inline): Move here from tree-optimize.c
5024         (pass_apply_inline): New pass.
5025         * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
5026         transforming.
5027         * tree-inline.c (optimize_inline_calls): Return TODOs rather than
5028         doing them by hand.
5029         (tree_function_versioning): Do not allocate dummy struct function.
5030         * tree-inline.h (optimize_inline_calls): Update prototype.
5031         * tree-optimize.c (execute_fixup_cfg): Export.
5032         (pass_fixup_cfg): Remove
5033         (tree_rest_of_compilation): Do not apply inlines.
5034         * tree-flow.h (execute_fixup_cfg): Declare.
5035         * Makefile.in (gt-passes.c): New.
5036         * passes.c: Include gt-passes.h
5037         (init_optimization_passes): New passes.
5038         (nnodes, order): New static vars.
5039         (do_per_function_toporder): New function.
5040         (execute_one_pass): Dump current pass here.
5041         (execute_ipa_pass_list): Don't dump current pass here.
5043 2007-01-16  Janis Johnson  <janis187@us.ibm.com>
5045         * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
5046         (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
5048 2007-01-16  David Edelsohn  <edelsohn@gnu.org>
5050         * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
5051         (strong_alias): Define.
5052         (__gcc_qmul): Provide non-FMA for soft-float.
5053         (__gcc_qdiv): Same.
5054         (__gcc_qneg): New.
5055         (__gcc_qeq): New.
5056         (__gcc_qle): New.
5057         (__gcc_qge): New.
5058         (__gcc_qunord): New.
5059         (__gcc_stoq): New.
5060         (__gcc_dtoq): New.
5061         (__gcc_qtos): New.
5062         (__gcc_qtod): New.
5063         (__gcc_qtoi): New.
5064         (__gcc_qtou): New.
5065         (__gcc_itoq): New.
5066         (__gcc_utoq): New.
5067         (fmsub): New.
5068         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
5069         soft-float functions.
5070         * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
5071         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
5072         about long double soft float.
5074 2007-01-16  Dorit Nuzman  <dorit@il.ibm.com>
5075             Tehila Meyzels  <tehila@il.ibm.com>
5077         * tree-vectorizer.h (is_pattern_stmt_p): New.
5078         * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
5079         formatting (tabs instead of spaces). Cleanup and clarify setting
5080         of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
5081         * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
5082         (vectorizable_type_demotion): Check that types are integral.
5083         (vectorizable_type_promotion): Likewise.
5084         (vectorizable_store): Fix typo.  Eliminate new-line at end of
5085         comments.
5087 2007-01-16  Jan Hubicka  <jh@suse.cz>
5089         * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
5090         cgraph edges too.
5092 2007-01-15  Eric Christopher  <echristo@apple.com>
5094         * ifcvt.c: Include vec.h, vecprim.h.
5095         (check_cond_move_block): New argument regs.
5096         Reorganize. Add registers used to regs.
5097         (cond_move_process_if_block): Use regs set above as
5098         loop bounds.
5100 2007-01-15  Eric Christopher  <echristo@apple.com>
5102         * config/darwin.h: Update copyright.
5103         (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
5104         (LINK_COMMAND_SPEC): Add -u.
5105         (LINK_SPEC): Fix umbrella for above.
5107 2007-01-15  Joseph S. Myers  <joseph@codesourcery.com>
5109         * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
5110         glibc CVS.
5112 2007-01-15  Tom Tromey  <tromey@redhat.com>
5114         * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
5115         * doc/install.texi (Testing): Don't mention jacks.
5116         (Configuration): Document --enable-java-maintainer-mode.  Move
5117         --with-java-home to libgcj-specific section.  Document
5118         --with-ecj-jar.
5119         (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
5121 2007-01-15  Jan Hubicka  <jh@suse.cz>
5123         * tree-ssa-dce.c (DCE_TODOs): New.
5124         (propagate_necessity): Return if something changed.
5125         (eliminate_unnecessary_stmts): Likewise.
5126         (perform_tree_ssa_dce): Return TODO flags when needed.
5127         (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
5129 2007-01-15  Uros Bizjak  <ubizjak@gmail.com>
5131         * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
5132         (fyl2x_extend<mode>xf3_i387): New insn pattern.
5133         (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
5134         patterns using X87MODEF12 mode macro.  Extend operand 1
5135         to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
5136         (log10<mode>2): Ditto.
5137         (log2<mode>2): Ditto.
5138         (log1p<mode>2): Ditto.
5139         (logb<mode>2): Ditto.
5140         (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
5141         (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
5142         (*fxtractxf3_i387): Rename from *fxtractxf3.
5143         (fxtract_extend<mode>xf3_i387): New insn pattern.
5144         (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
5145         * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
5146         and gen_fyl2xxf3_i387().
5148 2007-01-14  Zdenek Dvorak <dvorakz@suse.cz>
5150         * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
5151         * cfgloopmanip.c (fix_loop_placement): Made static.  Use
5152         get_loop_exit_edges.  Changed return type to bool.
5153         * cfgloop.h (fix_loop_placement): Declaration removed.
5155 2007-01-14  Dorit Nuzman  <dorit@il.ibm.com>
5157         * param.h (MIN_VECT_LOOP_BOUND): New.
5158         * params.def (MIN_VECT_LOOP_BOUND): New.
5159         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
5160         argument - minimum threshold for number of iterations.
5161         * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
5162         argument to declaration.
5163         * tree-vect-analyze.c (vect_analyze_operations): Check value of
5164         MIN_VECT_LOOP_BOUND.
5165         * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
5166         slpeel_tree_peel_loop_to_edge with additional argument.
5167         (vect_do_peeling_for_alignment): Likewise.
5168         * doc/invoke.texi (min-vect-loop-bound): Document new param option.
5170 2007-01-14  Uros Bizjak  <ubizjak@gmail.com>
5172         PR target/30413
5173         * config/i386/i386.c (print_operand) ['z']: Output 'b' for
5174         operands of size 1.
5176 2007-01-14  Jan Hubicka  <jh@suse.cz>
5178         * tree-dfa.c (remove_referenced_var): New function.
5179         * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
5180         prune referenced vars list too.
5181         * tree-flow.h (remove_referenced_var): Declare.
5183 2007-01-14  Jan Hubicka  <jh@suse.cz>
5185         * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
5186         separately.
5187         (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
5188         (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
5189         * except.h (verify_eh_throw_table_statements): Kill prototype.
5190         * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
5191         into call exrepssions.
5192         * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
5193         eh trhow verifier.
5194         * tree-cfg.c: Include pointer-set.h.
5195         (verify_node_sharing): Work on pointer set.
5196         (verify_eh_throw_stmt_node): New.
5197         (verify_stmts): Use pointers sets, verify throw_stmt.
5199 2007-01-13  Zdenek Dvorak <dvorakz@suse.cz>
5201         * ipa-reference.c (analyze_function): Consider also addresses taken
5202         in phi nodes.
5204 2007-01-12  Roger Sayle  <roger@eyesopen.com>
5206         * c-typeck.c (null_pointer_constant_p): Replace use of
5207         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
5208         (build_c_cast): Likewise.
5210 2007-01-12  Roger Sayle  <roger@eyesopen.com>
5212         * tree.h (force_fit_type_double): Remove unused final argument.
5213         * c-common.c (constant_expression_warning): Replace use of
5214         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
5215         (convert_and_check): Likewise.
5216         (shorten_compare): Update call to force_fit_type_double.
5217         (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
5218         * convert.c (convert_to_pointer): Update call to
5219         force_fit_type_double.
5220         * fold-const.c (force_fit_type_double): Remove overflowed_const
5221         argument.
5222         (int_const_binop, fold_convert_const_int_from_int,
5223         fold_convert_const_int_from_real, fold_div_compare,
5224         fold_sign_changed_comparison, fold_unary, fold_negate_const,
5225         fold_abs_const, fold_not_const): Remove the final argument from
5226         calls to force_fit_type_double.
5228 2007-01-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5230         * configure.ac: Set insn to "nop" for spu-*-* also.
5231         * configure: Regenerate.
5233 2007-01-12  Olga Golovanevsky  <olga@il.ibm.com>
5235         * builtins.def : Add BUILT_IN_FREE.
5237 2007-01-12  Jan Hubicka  <jh@suse.cz>
5239         PR tree-optimization/30443
5240         * tree-inline.c (tree_function_versioning): Do not optimize when
5241         cloning for inlining.
5243 2007-01-12  Zdenek Dvorak <dvorakz@suse.cz>
5245         * doc/loop.texi: Document recording of loop exits.
5246         * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
5247         (update_single_exits_after_duplication,
5248         update_single_exit_for_duplicated_loop,
5249         update_single_exit_for_duplicated_loops): Removed.
5250         (duplicate_loop_to_header_edge): Do not call
5251         update_single_exits_after_duplication and
5252         update_single_exit_for_duplicated_loops.
5253         (loop_version): Do not update single_exit information.
5254         (fix_loop_structure): Use record_loop_exits instead of
5255         mark_single_exit_loops.
5256         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
5257         the lists of loop exits.
5258         * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
5259         split_edge, merge_blocks): Update the lists of loop exits.
5260         * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
5261         loop_optimizer_init.
5262         * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
5263         of mark_single_exit_loops.
5264         (loop_optimizer_finalize): Call release_recorded_exits.
5265         * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
5266         LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
5267         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
5268         update single exit information.
5269         * lambda-code.c (perfect_nestify): Ditto.
5270         * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
5271         (mark_single_exit_loops): Removed.
5272         (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
5273         get_exit_descriptions, rescan_loop_exit, record_loop_exits,
5274         dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
5275         functions.
5276         (get_loop_exit_edges, single_exit): Use recorded exit lists.
5277         (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
5278         (verify_loop_structure): Verify consistency of the exit lists.
5279         (flow_loops_find): Use alloc_loop.  Initialize exits hash.
5280         (set_single_exit): Removed.
5281         * cfgloop.h (struct loop_exit): New function.
5282         (struct loop): single_exit_ field replaced by exits field.
5283         (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
5284         (struct loops): Added exits hash.
5285         (mark_single_exit_loops, set_single_exit): Declaration removed.
5286         (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
5288 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
5290         * doc/invoke.texi: Avoid use of @headitem.
5292 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
5294         * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
5296 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
5298         * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
5299         list of targets.
5301 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
5302             Richard Sandiford  <richard@codesourcery.com>
5304         * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
5305         * config/m68k/m68k.opt: Resort options.
5306         (mbitfield, mrtd, mshort): Remove RejectNegative properties.
5308 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
5309             Richard Sandiford  <richard@codesourcery.com>
5311         * doc/invoke.texi: Document the macros that are defined by
5312         m68k's -mtune and -mhard-float options.
5313         * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
5314         (m68k_cpp_cpu_family): Likewise.
5315         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
5316         of __ucfv*__ macros.  Define __mcffpu__ if generating code for
5317         ColdFire FPUs.  Define __mcf_cpu_* and __mcf_family_* macros.
5318         * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
5319         (m68k_cpp_cpu_family): Likewise.
5321 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
5323         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
5324         macros besides mc68000 as tuning macros.  Use a switch statement
5325         to set them and mcpu32.
5327 2007-01-12  Julian Brown  <julian@codesourcery.com>
5329         * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
5330         (TARGET_68040_ONLY): Rename to...
5331         (TARGET_68040): ...this.
5332         * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
5333         * config/m68k/m68k.md: Likewise.
5335 2007-01-12  Julian Brown  <julian@codesourcery.com>
5336             Nathan Sidwell  <nathan@codesourcery.com>
5337             Richard Sandiford  <richard@codesourcery.com>
5339         * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
5340         the -mcpu= argument associated with the --with-cpu setting.
5341         Define M68K_DEFAULT_TUNE to the default -mtune= option,
5342         if different from the one implied by the -mcpu setting.
5343         Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
5344         using mcpu=FOO as the default CPU option.  Set target_cpu_default2.
5345         * doc/invoke.texi: Mention ColdFire in the introduction to the
5346         m68k options.  Document the new -march, -mcpu, -mtune, -mdiv,
5347         -mno-div and -mhard-float options.  Make -m68881 a synonym for
5348         -mhard-float.  Document the previously-undocumented -m5206e,
5349         -m528x, -m5307 and -m5407 options.  Tweak the existing option
5350         documentation for consistency.
5351         * doc/install.texi: Mention new --with-cpu arguments.
5352         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
5353         default CPU if neither -mcpu nor -march are specified.
5354         (ASM_CPU_SPEC): Pass down -mcpu and -march options.
5355         (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
5356         TARGET_ISA*.  Set the legacy __mcf*__ cpu macros in the same way,
5357         using m68k_tune to decide between families that implement the
5358         same ISA.  Use m68k_tune to set __mcfv4e__.
5359         (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
5360         (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
5361         (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
5362         (FL_ISA_C, FL_ISA_MMU): New macros.
5363         (MASK_COLDFIRE): Delete.
5364         (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
5365         (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
5366         (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
5367         (TARGET_HARD_FLOAT): Do not define here.
5368         (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
5369         (TUNE_68000): New macro.
5370         (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
5371         (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
5372         (TUNE_CFV2): Redefine in terms of m68k_tune.
5373         (uarch_type, target_device, fpu_type): New enums.
5374         (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
5375         * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
5376         (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
5377         (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
5378         (FL_FOR_isa_c): New macros.
5379         (m68k_isa): New enum.
5380         (m68k_target_selection): New structure.
5381         (all_devices, all_isas, all_microarchs): New tables.
5382         (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
5383         (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
5384         (MASK_ALL_CPU_BITS): Delete.
5385         (m68k_find_selection): New function.
5386         (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
5387         Map the legacy target options to a combination of the new ones.
5388         (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
5389         m68k_cpu_flags.  Handle M68K_DEFAULT_TUNE.  Use m68k_cpu_flags
5390         to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
5391         settings.
5392         * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
5393         (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
5394         properties.
5395         (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
5396         (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
5397         * config/m68k/m68k-devices.def: New file.
5399 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
5400             Nathan Sidwell  <nathan@codesourcery.com>
5402         * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
5403         (SUBTARGET_EXTRA_SPECS): New macros.
5404         * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
5405         use %(asm_cpu_spec) instead.
5406         * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
5407         * config/m68k/openbsd.h (ASM_SPEC): Likewise.
5408         * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
5409         (EXTRA_SPECS): Rename to...
5410         (SUBTARGET_EXTRA_SPECS): ...this.
5412 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
5413             Richard Sandiford  <richard@codesourcery.com>
5414             Julian Brown  <julian@codesourcery.com>
5416         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
5417         (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
5418         to the configuration's default CPU.
5419         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
5420         Remove default masks.
5421         (m680[012]0-*-*): Set the default with_cpu to the first part of
5422         the target name.
5423         (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
5424         (m68k*-*-linux): Extend the --with-cpu handling to...
5425         (m680[012]0-*-*, m68k*-*-*): ...these configurations.  Allow m68000
5426         and m68010.  Don't set target_cpu_default2.
5427         * doc/install.texi: Document --with-cpu for m68k.
5428         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
5429         * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
5430         (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
5431         (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
5432         (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
5433         (ASM_SPEC): Remove use of %(asm_cpu_default).
5434         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
5435         * config/m68k/linux.h (TARGET_DEFAULT): Delete.
5436         (CPP_SPEC): Merge definitions.  Do not handle __HAVE_68881__ here.
5437         * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
5438         __HAVE_FPU__ if TARGET_HARD_FLOAT.
5439         (TARGET_DEFAULT): Delete.
5440         (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
5441         cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
5442         (CPP_CPU_SPEC): Delete.
5443         (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
5444         the appropriate string.
5445         (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
5446         (CPP_SPEC): Define to NETBSD_CPP_SPEC.
5447         (ASM_SPEC): Don't use %(asm_default_spec).
5448         * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
5449         TARGET_DEFAULT and add MASK_68881.
5450         * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
5452 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
5454         * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
5455         (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
5456         MASK_68010 alongside MASK_68020.
5457         * doc/invoke.texi: Document -m68010.
5458         * config/m68k/m68k.opt (m68010): New.
5459         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
5460         if TUNE_68010.
5461         (TUNE_68010): New macro.
5462         * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
5463         (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
5464         (M68K_CPU_m68332): Add MASK_68010.
5465         * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
5466         fallback definition.
5467         * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
5468         defines.
5469         * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
5470         (m68k_handle_option): Handle OPT_m68010.  Add MASK_68010
5471         to all entries that use MASK_68020.
5472         (output_move_simode_const, output_move_himode, output_move_qimode)
5473         (output_move_stricthi, output_move_strictqi): Use TARGET_68010
5474         instead of TARGET_68020 to select clr behavior.  Remove comment
5475         about there being no TARGET_68010.
5476         * config/m68k/m68k.md: Likewise throughout.
5478 2007-01-12  Julian Brown  <julian@codesourcery.com>
5480         * config/m68k/m68k.h (TARGET_ISAB): New macro.
5481         * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
5482         * config/m68k/m68k.md: Likewise.
5484 2007-01-12  Julian Brown  <julian@codesourcery.com>
5486         * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
5487         TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
5489 2007-01-12  Julian Brown  <julian@codesourcery.com>
5491         * config/m68k/m68k.h (TUNE_68040_60): New macro.
5492         * config/m68k/m68k.c (standard_68881_constant_p): Use it.
5493         * config/m68k/m68k.md: Likewise.
5495 2007-01-12  Julian Brown  <julian@codesourcery.com>
5496             Richard Sandiford  <richard@codesourcery.com>
5498         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
5499         instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
5500         TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
5501         TARGET_CPU32.
5502         (TARGET_CPU32): Rename to...
5503         (TUNE_CPU32): ...this.
5504         (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
5505         (TUNE_CFV2): New macros.
5506         * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
5507         remove conditions that are implied by TARGET_68020.
5508         * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
5509         instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
5510         (m68k_output_function_epilogue): Likewise.
5511         (m68k_rtx_costs): Likewise.  Use TUNE_68060 instead of TARGET_68060
5512         and TUNE_CFV2 instead of TARGET_5200.  Use TUNE_68000_10 instead of
5513         "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
5514         non-68000 timings.  Refactor multiplication and division costs.
5515         (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
5516         TUNE_CPU32 instead of TARGET_CPU32.
5517         (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
5518         and TUNE_68060 instead of TARGET_68060.
5519         * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
5520         TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
5521         TARGET_CPU32.
5522         (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
5523         && !TARGET_COLDFIRE" to choose between moveq and clr.
5524         Likewise in the unnamed movsf pattern.
5525         (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
5526         "!TARGET_68020 && !TARGET_COLDFIRE".  Likewise the unnamed
5527         ashiftrt pattern.
5529 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
5531         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
5532         of tabbing before backslashes.
5534 2007-01-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5536         * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
5537         * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
5538         (ASM_OUTPUT_INTERNAL_LABEL): Define.
5540 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
5542         * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
5543         find_interesting_uses_cond.
5544         (find_interesting_uses_cond): Use extract_cond_operands.
5545         (rewrite_use_compare): Use extract_cond_operands and
5546         force_gimple_operand_bsi.  Do not call update_stmt.
5547         (determine_use_iv_cost_condition): Use extract_cond_operands.
5548         Return cheaper of using original bound and changing the exit bound.
5550 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
5552         PR tree-optimization/29516
5553         * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
5554         most_expensive_mult_to_index, addr_to_parts,
5555         create_mem_ref, maybe_fold_tmr): Make the type of
5556         fields of TARGET_MEM_REF sizetype.
5557         (move_fixed_address_to_symbol, move_pointer_to_base):
5558         New functions.
5559         * tree.def (TARGET_MEM_REF): Add comment on types of
5560         the operands.
5562 2007-01-11  Joseph Myers  <joseph@codesourcery.com>
5564         * c-common.c (vector_types_convertible_p): Treat opaque types as
5565         always convertible if they have the same size, but not otherwise.
5567 2007-01-11  Steven Bosscher  <steven@gcc.gnu.org>
5569         * ifcvt.c (struct noce_if_info): Add comments to the fields.
5570         Remove the b_unconditional field.
5571         (noce_try_sign_mask): Do not look at b_unconditional.
5572         (noce_process_if_block): Do not use merge_if_blocks.  Update
5573         the CFG here.  Do not set b_unconditional.
5574         (cond_move_process_if_block): Likewise.
5575         (find_cond_trap): Likewise.
5576         (check_cond_move_block): Require simple jump insns at the end
5577         of the basic block.
5579 2007-01-11  Jan Hubicka  <jh@suse.cz>
5581         PR tree-optimization/1046
5582         * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
5583         when alias info is not ready.
5584         (pass_tail_recursion): Do not require aliasing.
5585         * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
5586         * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
5587         * tree-ssa-copy.c (pass_copy_prop): Likewise.
5588         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
5589         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
5590         * passes.c (init_optimization_passes): Execute rename_ssa_copies,
5591         ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
5592         before inlining.
5593         * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
5594         When aliasing is not build, mark statement as volatile.
5596 2007-01-11  Tom Tromey  <tromey@redhat.com>
5598         PR preprocessor/15185, PR preprocessor/20989:
5599         * doc/cppopts.texi <-MT>: Update description of algorithm for
5600         computing default target.
5601         <-M, -MD>: Reword "basename" text.
5603 2007-01-11  Roger Sayle  <roger@eyesopen.com>
5605         * builtins.c (expand_builtin_pow, expand_builtin_powi,
5606         fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
5607         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
5608         fold_builtin_int_int_roundingfn, fold_builtin_bitop,
5609         fold_builtin_bswap, real_constp, fold_builtin_pow,
5610         fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
5611         do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
5612         uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
5613         * convert.c (convert_to_pointer): Likewise.
5614         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
5615         * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
5616         const_binop, fold_convert_const_int_from_int,
5617         fold_convert_const_int_from_real,
5618         fold_convert_const_real_from_real, sign_bit_p,
5619         optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
5620         fold_sign_changed_comparison, fold_unary, fold_comparison,
5621         fold_binary, multiple_of_p, tree_Expr_non_zero_p,
5622         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
5623         * print-tree.c (print_node_brief, print_node): Likewise.
5624         * stor-layout.c (place_field, layout_type): Likewise.
5625         * tree-chrec.c (keep_cast): Likewise.
5626         * tree.c (build_vector, build_real, build_real_from_int_cst,
5627         build_complex): Likewise.
5629 2007-01-11  Roger Sayle  <roger@eyesopen.com>
5631         * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete.  For the time being,
5632         treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
5634 2007-01-11  Paolo Bonzini  <bonzini@gnu.org>
5636         * configure.ac (strict1_warn): Rename to strict_warn.
5637         (WERROR, --enable-werror, symlink hacks, stage1_cflags,
5638         cc_set_by_configure, quoted_cc_set_by_configure,
5639         stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
5640         all_boot_languages, all_stagestuff): Remove.
5641         (target_list): Remove bootstrap targets.
5642         * Makefile.in (quickstrap): Unconditionally make a synonym of all.
5643         (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
5644         REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
5645         SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
5646         VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
5647         STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
5648         stage1_copy, stage2_build, stage2_copy, stageprofile_build,
5649         stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
5650         stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
5651         bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
5652         bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
5653         unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
5654         restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
5655         cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
5656         *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
5657         stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
5658         stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
5659         risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
5660         (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
5661         (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
5662         (mostlyclean): Adjust.
5663         (clean, distclean): Don't mention bootstrap stuff.
5664         * configure: Regenerate.
5665         * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
5666         java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
5667         treelang/config-lang.in (stagestuff): Remove.
5668         * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
5669         stageprofile, stagefeedback, stagestuff): Remove mention.
5671 2007-01-11  Nick Clifton  <nickc@redhat.com>
5673         * config/mcore/predicates.md (mcore_general_movesrc_operand):
5674         Accept CONSTs.
5675         (mcore_general_movdst_operand): Do not accept CONST_INTs.
5676         (mcore_arith_K_S_operand): Run the test for the S constraint not
5677         the test for the M constraint.
5678         (mcore_addsub_operand): Do not accept integer values that are
5679         larger than 32 bits.
5680         * config/mcore/mcore.md: Remove unused constraints from split.
5681         (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
5682         (addsi3): Likewise.
5683         (allocate_stack): Likewise.
5684         * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
5685         operands to 32 bits.
5686         (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
5687         INTVAL.
5688         (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
5689         mcore_const_ok_for_inline, mcore_const_trick_uses_not,
5690         try_constant_tricks, mcore_num_ones, mcore_num_zeros,
5691         mcore_output_bclri, mcore_output_andn, output_inline_const,
5692         mcore_output_move, mcore_output_movedouble): Likewise.
5693         (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
5694         (output_inline_const): Likewise.
5695         (output_inline_const): Fix format strings used in sprintf
5696         statements.
5697         * config/mcore/mcore-protos.h: Update prototypes for changed
5698         functions in mcore.c.
5699         * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
5700         HOST_WIDE_INT and not int.
5701         (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
5702         CONST_OK_FOR_N): Likewise.
5703         (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
5704         (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
5705         an INTVAL.
5707 2007-01-10  Jan Hubicka  <jh@suse.cz>
5709         * tree-vrp.c (remove_range_assertions): Release defs.
5710         * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
5711         * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
5713 2007-01-10  Paul Brook  <paul@codesourcery.com>
5715         * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
5716         * config/arm/arm.md (mulsi3subsi): New insn.
5718 2007-01-10  Zdenek Dvorak <dvorakz@suse.cz>
5720         * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
5721         (tree_transform_and_unroll_loop): New.
5722         * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
5723         Declare.
5725 2007-01-10  Robert Kennedy <jimbob@google.com>
5727         * fold-const.c (fold_comparison): Fold comparisons like (x *
5728         1000 < 0) to (x < 0).
5730 2007-01-10  Ian Lance Taylor  <iant@google.com>
5732         * tree-pretty-print.c (dump_generic_node): Print parentheses when
5733         operands have the same priority.
5735 2007-01-10  Tom Tromey  <tromey@redhat.com>
5737         * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
5738         (fold_binary): Likewise.
5739         * langhooks.c (lhd_can_use_bit_fields_p): Removed.
5740         * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
5741         (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
5742         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
5743         * langhooks.h (struct lang_hooks): Removed field
5744         'can_use_bit_fields_p'.
5746 2007-01-10  Ralf Corsépius <ralf.corsepius@rtems.org>
5748         * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
5750 2007-01-10  Razya Ladelsky  <razya@il.ibm.com>
5752         * function.c (get_last_funcdef_no): New function.
5753         * function.h (get_last_funcdef_no): Declare.
5754         * tree-inline.c (initialize_cfun): Add initialization.
5755         (tree_function_versioning): Cleanup.
5757 2007-01-10  Jan Hubicka  <jh@suse.cz>
5759         * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
5760         PHIs.
5762 2007-01-10  Sa Liu  <saliu@de.ibm.com>
5763             Ben Elliston  <bje@au.ibm.com>
5765         * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
5766         for SAVE_NONLOCAL and Pmode for any other save level.
5767         * spu-protos.h (spu_restore_stack_block): Declare.
5768         * spu.md (save_stack_block): Remove.
5769         (restore_stack_block): Call spu_restore_stack_block.
5770         * spu.c (spu_restore_stack_block): New function.
5771         (spu_expand_epilogue): Remove old comment.
5773 2007-01-09  Zdenek Dvorak <dvorakz@suse.cz>
5775         PR tree-optimization/30322
5776         * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
5777         (cand_value_at): Return the value as aff_tree.
5778         (may_eliminate_iv): Convert the bound from aff_tree to tree.
5779         * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
5780         aff_combination_mult): New functions.
5781         (aff_combination_add): Use aff_combination_add_cst.
5782         (aff_combination_convert): Allow conversions to a wider type.
5783         (tree_to_aff_combination): Handle BIT_NOT_EXPR.
5784         * tree-affine.h (aff_combination_mult): Declare.
5786 2007-01-09  Carlos O'Donell  <carlos@codesourcery.com>
5788         * doc/tm.texi: Update documentation to reflect reality of exec
5789         and start file search behaviours. Update copyright year.
5790         * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
5791         header file directories.
5793 2007-01-09  Uros Bizjak  <ubizjak@gmail.com>
5795         * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
5796         (*cosxf2): Rename to cosxf2_i387.
5797         (*sindf2, *sinsf2): Extend operand 1 to XFmode.  Macroize patterns
5798         using X87MODEF12 mode macro. Rename patterns to
5799         *sin_extend<mode>xf2_i387.  Use SSE_FLOAT_MODE_P to disable patterns
5800         for SSE math.
5801         (*cosdf2, *cossf2): Ditto.
5802         (sincosdf3, sincossf3): Ditto.  Rewrite corresponding splitters
5803         to match extended input operands.
5804         (sincos<mode>3): New expander.
5805         (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
5806         insn patterns and corresponding splitters.
5808 2007-01-09  Kaz Kojima  <kkojima@gcc.gnu.org>
5810         * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
5811         (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
5813 2007-01-09  Nicolas Pitre  <nico@cam.org>
5815         PR target/30173
5816         * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
5818 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
5820         * target.h (struct gcc_target): New field library_rtti_comdat.
5821         * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
5822         (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
5823         * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
5824         * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
5826 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
5828         * doc/invoke.texi (Optimize Options): Correct description of -O0.
5830 2007-01-08  Richard Guenther  <rguenther@suse.de>
5832         * tree.h (force_fit_type_double): Export.
5833         (force_fit_type): Remove.
5834         * fold-const.c (force_fit_type_double): New function.
5835         (force_fit_type): Remove.
5836         (int_const_binop): Use it.
5837         (fold_convert_const_int_from_int): Likewise.
5838         (fold_convert_const_int_from_real): Likewise.
5839         (fold_div_compare): Likewise.
5840         (fold_sign_changed_comparison): Likewise.
5841         (fold_unary): Likewise.
5842         (fold_negate_const): Likewise.
5843         (fold_abs_const): Likewise.
5844         (fold_not_const): Likewise.
5845         * c-common.c (shorten_compare): Use force_fit_type_double.
5846         * convert.c (convert_to_pointer): Likewise.
5848 2007-01-08  Richard Guenther  <rguenther@suse.de>
5850         * tree.h (build_int_cst_wide_type): Export.
5851         * tree.c (build_int_cst_wide_type): New function.
5852         (build_int_cst_wide): Fix comment.
5853         * builtins.c (fold_builtin_object_size): Use build_int_cst
5854         to build -1 or 0 of the correct type.  Use fit_double_type
5855         to check for overflow.
5856         * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
5857         to build the mask.
5858         (decode_field_reference): Likewise.
5859         (all_ones_mask_p): Likewise.
5860         (native_interpret_int): Use build_int_cst_wide_type.
5861         (fold_binary): Use build_int_cst_type to build an all-ones
5862         value.
5863         * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
5865 2007-01-08  Daniel Jacobowitz  <dan@codesourcery.com>
5867         * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
5869 2007-01-09  Ben Elliston  <bje@au.ibm.com>
5871         * genautomata.c (STATS_OPTION): New option.
5872         (stats_flag): New flag.
5873         (gen_automata_option): Handle it.
5874         (initiate_automaton_gen): Ditto.
5875         (write_automata): Output statistics only if stats_flag is
5876         set. Likewise, output time statistics only if time_flag is set.
5877         * doc/md.texi (Processor pipeline description): Document new flag.
5879 2007-01-08  Richard Guenther  <rguenther@suse.de>
5881         * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
5882         * tree.c (build_int_cst_type): Likewise.
5883         (size_in_bytes): Don't call force_fit_type on the result.
5884         (int_fits_type_p): Use fit_double_type.
5885         * fold-const.c (fit_double_type): New function.
5886         (force_fit_type): Use it.
5887         * tree.h (fit_double_type): Export.
5889 2007-01-08  Jan Hubicka  <jh@suse.cz>
5891         * tree-vectorizer.c (gate_increase_alignment): Fix return type.
5892         * ipa.c (function_and_variable_visibility): Fix return type.
5894 2007-01-08  Richard Guenther  <rguenther@suse.de>
5896         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
5897         of offset to build the index.
5898         * tree-pretty-print.c (dump_generic_node): Don't build negated
5899         const just for printing.
5900         * c-pretty-print.c (pp_c_integer_constant): Likewise.
5901         * builtins.c (fold_builtin_int_roundingfn): Check if result
5902         fits the type by using force_fit_type and comparing the result.
5903         * predict.c (predict_loops): Use compare_tree_int for comparison.
5904         * tree.c (build_int_cst): Fall back to integer_type_node for
5905         NULL_TREE type.
5906         (build_int_cst_wide): Assert type is non-null.
5908 2007-01-08  Roberto Costa  <roberto.costa@st.com>
5910         * tree-vrp.c (extract_range_from_cond_expr): New.
5911         (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
5912         * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
5913         as expressions.
5914         (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
5915         * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
5916         tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
5917         used as expressions.
5918         * tree-object-size.c (cond_expr_object_size): New.
5919         (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
5921 2007-01-08  Jan Hubicka  <jh@suse.cz>
5923         * tree-ssa-forwprop.c (forward_propagate_into_cond,
5924         tree_ssa_forward_propagate_single_use_va): Release defs of propagated
5925         statement.
5927 2007-01-08  Richard Guenther  <rguenther@suse.de>
5929         PR tree-optimization/23603
5930         * tree-vrp.c (set_value_range_to_truthvalue): New function.
5931         (extract_range_from_binary): Fall back to truthvalue instead of
5932         varying for TRUTH_*_EXPR.
5933         (extract_range_from_comparison): Fall back to truthvalue instead of
5934         varying.
5935         (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
5936         if all visited PHI values were constant.
5938 2007-01-08  Jan Hubicka  <jh@suse.cz>
5940         * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
5941         (cgraph_analyze_function): break out from ...
5942         (cgraph_finalize_compilation_unit): ... here.
5943         (cgraph_expand_function): Remove forgoten commented out line.
5944         (cgraph_optimize): Analyze functions.
5946 2007-01-08  Jan Hubicka  <jh@suse.cz>
5948         * tree-pas.h (TODO_remove_function): New flag.
5949         (TODO_update*): Renumber.
5950         (pass_ipa_increase_alignment,
5951         pass_ipa_function_and_variable_visibility): New passes.
5952         * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
5953         (cgraph_function_and_variable_visibility): Move to ipa.c
5954         (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
5955         cgraph_increase_alignment.
5956         * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
5957         (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
5958         calling tree-inline.
5959         (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
5960         (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
5961         * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
5962         (gate_increase_alignment): New function.
5963         (pass_ipa_increase_alignment): New pass.
5964         * ipa.c: Inline tree-pass.h and timevar.h
5965         (function_and_variable_visibility): Move here from cgraphunit.c
5966         * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
5967         * passes.c (init_optimization_passes): Add the two new passes.
5968         (execute_todo): Handle cgraph_remove_functions.
5970 2007-01-08  Nick Clifton  <nickc@redhat.com>
5972         * config/frv/predicates.md (reg_or_0_operand): Accept
5973         CONST_DOUBLEs.
5975 2007-01-08  Ralf Corsépius <ralf.corsepius@rtems.org>
5977         * config/bfin/rtems.h, config/bfin/t-rtems: New.
5978         * config.gcc: Add bfin*-rtems*.
5980 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
5982         * c.opt: Add -flax-vector-conversions.
5983         * c-typeck.c (convert_for_assignment): Pass flag to
5984         vector_types_convertible_p to allow emission of note.
5985         (digest_init): Likewise.
5986         * c-opts.c: Handle -flax-vector-conversions.
5987         * c-common.c (flag_lax_vector_conversions): New.
5988         (vector_types_convertible_p): Unless -flax-vector conversions
5989         has been passed, disallow conversions between vectors with
5990         differing numbers of subparts and/or element types.  If such
5991         a conversion is disallowed, possibly emit a note on the first
5992         occasion only to inform the user of -flax-vector-conversions.
5993         The new last argument specifies this.
5994         * c-common.h (flag_lax_vector_conversions): New.
5995         (vector_types_convertible_p): Add extra argument.
5996         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
5997         char_type_node for V*QI type vectors.
5998         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
5999         Update to satisfy new typechecking rules.
6000         * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
6001         C and C++ variants.
6002         * doc/invoke.texi (C Dialect Options): Document
6003         -flax-vector-conversions.
6005 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
6007         PR tree-optimization/29877
6008         * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
6009         a register variable on the RHS to not be replaceable.
6011 2007-01-08  Chen Liqin  <liqin@sunnorth.com.cn>
6012         * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
6013         * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
6014         const_simm15, const_pow2, const_npow2): Added.
6015         * config/score/misc.md (insv, extv, extzv, movmemsi,
6016         move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
6017         * config/score/score.c (score_address_cost, score_select_cc_mode):
6018         Added.
6019         Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
6020         Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
6021         Update score_print_operand.
6022         * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
6023         Adjust register allocate order and update some macro define.
6024         * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
6025         mdx_block_move_straight, mdx_block_move_loop_head,
6026         mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
6027         mdx_block_move): Added.
6028         (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
6029         mdp_limm): Updated and fix some bug and typo.
6030         * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
6031         (movsf, movdf, doloop_end): Added.
6033 2007-01-08  Kazu Hirata  <kazu@codesourcery.com>
6035         * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
6036         config/arm/thumb2.md: Fix comment typos.
6037         * doc/extend.texi: Fix a typo.
6039 2007-01-07  Eric Christopher  <echristo@apple.com>
6041         * configure.ac: Check for __stack_chk_fail for darwin.
6042         * configure: Regenerate.
6044 2007-01-07  Richard Guenther  <rguenther@suse.de>
6046         * tree-vrp.c (extract_range_from_assert): CSE calls to
6047         compare_values where possible.
6048         (extract_range_from_unary_expr): Likewise.
6050 2007-01-07  Anatoly Sokolov <aesok@post.ru>
6052         * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
6053         * config/avr/avr.c (call_insn_operand): Delete function.
6054         * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
6055         instead of register number. Use predicates.
6056         * config/avr/predicates.md (const0_operand, reg_or_0_operand,
6057         call_insn_operand): Add.
6059 2007-01-06  Jan Hubicka  <jh@suse.cz>
6061         * tree-pass.h (pass_build_cgraph_edges): Declare.
6062         * cgraphunit.c (record_refernece): Move to cgraphbuild.c
6063         (visited_nodes): Remove.
6064         (cgraph_create_edges): Move to cgraphbuild.c; rename to
6065         build_cgrpah_edges; make visited_nodes local.
6066         (cgraph_process_new_functions): DO not call initialize_inline_failed.
6067         (record_references_in_initializer): Move to cgraphbuild.c
6068         (initialize_inline_failed, rebuild_cgraph_edges,
6069         pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
6070         (verify_cgraph_node): Make visited_nodes local.
6071         (cgraph_analyze_function): Do not call cgraph_create_edges and
6072         initialize_inline_failed.
6073         (cgraph_expand_function): Do not call cgraph_lower_function;
6074         assert that function is already lowered.
6075         * Makefile.in (cgraphbuild.o): New.
6076         * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
6077         at the end of lowering passes.
6079 2007-01-06  Steven Bosscher  <steven@gcc.gnu.org>
6081         * ifcvt.c (cond_move_convert_if_block): New function, code
6082         factored out from...
6083         (cond_move_process_if_block): ...here.  Call the new function
6084         on the THEN and ELSE blocks.
6085         (merge_if_block): Do not copy global_live_at_end, merge_blocks
6086         already takes care of this.
6088 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6090         PR c/19978
6091         * tree.h (TREE_OVERFLOW_P): New.
6092         * c-typeck.c (parser_build_unary_op): Warn only if result
6093         overflowed and operands did not.
6094         (parser_build_binary_op): Likewise.
6095         (convert_for_assignment): Remove redundant overflow_warning.
6096         * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
6098 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6100         * c-typeck.c (store_init_value): Split over two lines to follow
6101         the GNU coding style.
6103 2007-01-05  Benjamin Kosnik  <bkoz@redhat.com>
6105         * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
6106         __GXX_EXPERIMENTAL_CXX0X__.
6107         * doc/cpp.texi: Same.
6109 2007-01-05  Richard Guenther  <rguenther@suse.de>
6111         PR middle-end/27826
6112         * tree.c (get_narrower): Do not construct COMPONENT_REFs
6113         with mismatched types.  Instead explicitly build a
6114         conversion NOP_EXPR.
6116 2007-01-05  Ian Lance Taylor  <iant@google.com>
6118         * c-common.c (decl_with_nonnull_addr_p): New function.
6119         (c_common_truthvalue_conversion): Call it.
6120         * c-typeck.c (build_binary_op): Likewise.
6121         * c-common.h (decl_with_nonnull_addr_p): Declare.
6123 2007-01-05  Jakub Jelinek  <jakub@redhat.com>
6125         PR c/30360
6126         * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
6127         denom against 0.0.
6129 2007-01-05  Joel Brobecker  <brobecker@adacore.com>
6131         * doc/install.texi (Final install): Document the fact that
6132         the GNAT runtime should not be stripped.
6134 2007-01-04  Jan Hubicka  <jh@suse.cz>
6136         * tree-inline.c (fold_marked_statements): Update operand caches
6137         and EH after folding
6139 2007-01-04  Ian Lance Taylor  <iant@google.com>
6141         * c-common.c (check_function_nonnull): Whitespace fix.
6143 2007-01-04  Jan Hubicka  <jh@suse.cz>
6145         * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
6146         comitted older version of patch.
6147         (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
6148         function, celanup cfg and collect garbage.
6150 2007-01-04  Mike Stump  <mrs@apple.com>
6152         * Makefile.in (mostlyclean): Don't remove libgcc anymore.
6153         (clean): Likewise.
6155 2007-01-04  Eric Christopher  <echristo@apple.com>
6157         * libgcc2.c (__bswapsi2): Use SItype.
6158         (__bswapdi2): Use DItype.
6159         * libgcc2.h: Update for above.
6161 2007-01-04  Paul Brook  <paul@codesourcery.com>
6163         * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
6164         mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
6165         mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
6166         umulsidi3, umulsidi3adddi, smulsi3_highpart,
6167         umulsi3_highpart): Make conditional on !arm_arch6.
6168         (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
6169         mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
6170         mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
6171         umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
6172         umulsi3_highpart_v6): New insns.
6174 2007-01-04  Roger Sayle  <roger@eyesopen.com>
6176         * fold-const.c (fold_convert): When casting an expression to void,
6177         fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
6178         have a type.  Instead of attempting to build a NOP_EXPR, return
6179         these "special" trees directly.
6181 2007-01-04  Joseph Myers  <joseph@codesourcery.com>
6183         * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
6184         MULT inside MINUS as either argument.  Use rs6000_cost->dmul -
6185         rs6000_cost->fp not 0 as adjustment for outer NEG.
6187 2007-01-04  Jan Hubicka  <jh@suse.cz>
6189         * cgraph.c (cgraph_release_function_body): New function.
6190         (cgraph_remove_node): Use it.
6191         * cgraph.h (cgraph_release_function_body): Declare.
6192         * cgraphunit.c (cgraph_expand_function): Use it.
6193         * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
6194         * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
6195         is initialized and while compilation of other function is running.
6196         * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
6197         statement CFG annotations from here to ...
6198         * tree-cfg.c (delete_tree_cfg_annotations): ... here.
6200 2007-01-04  Zdenek Dvorak <dvorakz@suse.cz>
6202         * cfgloop.h (enum li_flags): Make the constants powers of two.
6204 2007-01-04  Jan Hubicka  <jh@suse.cz>
6206         * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
6207         set.
6208         (fold_marked_statements): New function.
6209         (optimize_inline_calls, tree_function_versioning): Fold new statements.
6210         * tree-inline.h (copy_body_data): Add statements_to_fold.
6212 2007-01-03  Daniel Jacobowitz  <dan@codesourcery.com>
6214         * config.gcc: Mention libgcc/config.host.
6215         * Makefile.in: Update comments mentioning libgcc.
6216         (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
6217         (all.cross, start.encap, rest.encap, rest.cross): Update
6218         dependencies for libgcc move.
6219         (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
6220         (clean-target, clean-target-libgcc): Delete.
6221         (srcdirify, GCC_EXTRA_PARTS): New macros.
6222         (libgcc-support, libgcc.mvars): New rules.
6223         (distclean): Remove mention of mklibgcc.
6224         (install): Don't reference INSTALL_LIBGCC.
6225         (install-common): Don't reference EXTRA_PARTS.
6226         (install-libgcc, install-multilib): Delete rules.
6227         * mklibgcc.in: Delete file.
6228         * doc/configfiles.texi: Don't mention mklibgcc.
6230         * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
6231         * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
6232         * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
6233         * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
6234         (mklibgcc, ldblspecs): Likewise.
6236         * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
6237         (posixpre.def): Use $(T).
6238         (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
6239         (SHLIB_SRC, SHLIB_INSTALL): Delete.
6240         (SHLIB_LINK): Make dummy.
6241         * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
6243         * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
6245         * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
6246         * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
6247         config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
6248         config/rs6000/t-newas, config/sparc/t-elf: Likewise.
6250         * configure.ac (all_outputs): Remove mklibgcc.
6251         * configure: Regenerated.
6253 2007-01-03  Josh Conner  <jconner@apple.com>
6255         PR middle-end/29683
6256         * calls.c (compute_argument_addresses): Set stack and stack_slot
6257         for partial args, too.
6258         (store_one_arg): Use locate.size.constant for the size when
6259         generating a save_area.
6261 2007-01-03  Robert Kennedy <jimbob@google.com>
6263         * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
6264         whose definitions are deleted due to basic block merging.
6266 2007-01-03  Paul Brook  <paul@codesourcery.com>
6268         PR target/16634
6269         * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
6270         functions.
6271         (use_return_insn): Return 0 for Thumb interrupt functions.
6272         (print_multi_reg): Add rfe argument for IRQ returns.
6273         (arm_output_epilogue): Pop interrupt return address directly into PC.
6274         (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
6276 2007-01-03  Paul Brook  <paul@codesourcery.com>
6278         Merge from sourcerygxx-4_1.
6279         * config/arm/thumb2.md: New file.
6280         * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
6281         Thumb-2.
6282         * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
6283         * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
6284         (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
6285         * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
6286         tables.
6287         (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
6288         * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
6289         comptibility.
6290         * config/arm/ieee754-sf.S: Ditto.
6291         * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
6292         (thumb1_base_register_rtx_p): ... to this.
6293         (thumb_index_register_rtx_p): Rename...
6294         (thumb1_index_register_rtx_p): ... to this.
6295         (thumb_output_function_prologue): Rename...
6296         (thumb1_output_function_prologue): ... to this.
6297         (thumb_legitimate_address_p): Rename...
6298         (thumb1_legitimate_address_p): ... to this.
6299         (thumb_rtx_costs): Rename...
6300         (thumb1_rtx_costs): ... to this.
6301         (thumb_compute_save_reg_mask): Rename...
6302         (thumb1_compute_save_reg_mask): ... to this.
6303         (thumb_final_prescan_insn): Rename...
6304         (thumb1_final_prescan_insn): ... to this.
6305         (thumb_expand_epilogue): Rename...
6306         (thumb1_expand_epilogue): ... to this.
6307         (arm_unwind_emit_stm): Rename...
6308         (arm_unwind_emit_sequence): ... to this.
6309         (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
6310         thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
6311         thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
6312         arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
6313         thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
6314         thumb2_output_casesi): New functions.
6315         (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
6316         (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
6317         FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
6318         THUMB2_WORK_REGS): Define.
6319         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
6320         arm_condexec_mask, arm_condexec_masklen)): New variables.
6321         (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
6322         (arm_override_options): Check new CPU capabilities.
6323         Set new architecture flag variables.
6324         (arm_isr_value): Handle v7m interrupt functions.
6325         (user_return_insn): Return 0 for v7m interrupt functions.  Handle
6326         Thumb-2.
6327         (const_ok_for_arm): Handle Thumb-2 constants.
6328         (arm_gen_constant): Ditto.  Use movw when available.
6329         (arm_function_ok_for_sibcall): Return false for v7m interrupt
6330         functions.
6331         (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
6332         (thumb_find_work_register, arm_load_pic_register,
6333         legitimize_tls_address, arm_address_cost, load_multiple_sequence,
6334         emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
6335         print_multi_reg, output_mov_long_double_fpa_from_arm,
6336         output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
6337         output_mov_double_fpa_from_arm, output_move_double,
6338         arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
6339         output_return_instruction, arm_output_function_prologue,
6340         arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
6341         arm_output_mi_thunk, thumb_set_return_address): Ditto.
6342         (arm_expand_prologue): Handle Thumb-2.  Use arm_save_coproc_regs.
6343         (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
6344         (arithmetic_instr, shift_op): Use arm_shift_nmem.
6345         (arm_print_operand): Use arm_print_condition.  Handle '(', ')', '.',
6346         '!' and 'L'.
6347         (arm_final_prescan_insn): Use extract_constrain_insn_cached.
6348         (thumb_expand_prologue): Use thumb_set_frame_pointer.
6349         (arm_file_start): Output directive for unified syntax.
6350         (arm_unwind_emit_set): Handle stack alignment instruction.
6351         * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
6352         Add v6t2, v7, v7a, v7r and v7m.
6353         (RETLDM): Add Thumb-2 code.
6354         (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
6355         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
6356         (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
6357         TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
6358         THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
6359         ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
6360         THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
6361         CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
6362         ADJUST_INSN_LENGTH): Define.
6363         (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
6364         STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
6365         BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
6366         PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
6367         SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
6368         TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
6369         HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
6370         HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
6371         REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
6372         REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
6373         LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
6374         GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
6375         ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
6376         FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
6377         PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
6378         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
6379         * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
6380         cortex-m3.
6381         * config/arm/arm-tune.md: Regenerate.
6382         * config/arm/arm-protos.h: Update prototypes.
6383         * config/arm/vfp.md: Enable patterns for Thumb-2.
6384         (arm_movsi_vfp): Add movw alternative.  Use output_move_vfp.
6385         (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
6386         (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
6387         thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
6388         * config/arm/libunwind.S: Add Thumb-2 code.
6389         * config/arm/constraints.md: Update include Thumb-2.
6390         * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
6391         * config/arm/ieee754-df.S: Ditto.
6392         * config/arm/bpabi.S: Ditto.
6393         * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
6394         * config/arm/predicates.md (low_register_operand,
6395         low_reg_or_int_operand, thumb_16bit_operator): New.
6396         (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
6397         (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
6398         * config/arm/t-arm-elf: Add armv7 multilib.
6399         * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
6400         Include thumb2.md.
6401         (UNSPEC_STACK_ALIGN, ce_count): New.
6402         (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
6403         arm_zero_extendsidi2, arm_zero_extendqidi2): New
6404         insns/expanders.
6405         * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
6406         (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
6407         thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
6408         * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
6409         (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
6410         thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
6411         insns.
6412         * doc/extend.texi: Document ARMv7-M interrupt functions.
6413         * doc/invoke.texi: Document Thumb-2 new cores+architectures.
6415 2007-01-03  Jakub Jelinek  <jakub@redhat.com>
6417         * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
6418         (struct _Unwind_Context): Rename args_size to flags, remove
6419         signal_frame field, add a new args_size field and version field.
6420         (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
6421         _Unwind_IsExtendedContext): New inline functions.
6422         (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
6423         Assume by_value array is only present if _Unwind_IsExtendedContext.
6424         (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
6425         _Unwind_IsSignalFrame.
6426         (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
6427         (uw_update_context_1): Use _Unwind_SetSignalFrame.
6428         (uw_init_context_1): Initialize context->flags to
6429         EXTENDED_CONTEXT_BIT.
6430         * config/rs6000/linux-unwind.h (frob_update_context): Use
6431         _Unwind_SetSignalFrame.
6433 2007-01-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6435         PR middle-end/30353
6436         * gimplify.c (gimplify_modify_expr_complex_part): Move below
6437         tree_to_gimple_tuple.  Call tree_to_gimple_tuple when we need
6438         the value.
6440 2007-01-03  Kazu Hirata  <kazu@codesourcery.com>
6442         * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
6443         REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
6444         RET, AT_SP): Remove.
6445         * config/i386/i386.md (*sse_prologue_save_insn): Use return
6446         instead of RET.
6448         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
6449         * cfgbuild.c (find_basic_blocks): Likewise.
6450         * cfgrtl.c (rtl_create_basic_block): Likewise.
6451         * function.c (temp_slots_at_level): Likewise.
6452         * reg-stack.c (stack_regs_mentioned): Likewise.
6453         * regclass.c (allocate_reg_info): Likewise.
6454         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
6455         set_bb_for_stmt, move_block_to_fn): Likewise.
6456         * tree-complex.c (tree_lower_complex): Likewise.
6457         * vec.h (VEC_safe_grow_cleared): New.
6459         * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
6461 2007-01-03  Zdenek Dvorak <dvorakz@suse.cz>
6463         * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
6464         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
6465         to loop_version.
6466         * cfgloopmanip.c (scale_loop_frequencies): Export.
6467         (loopify): Scale the frequencies by prescribed coefficients.
6468         (set_zero_probability): New function.
6469         (duplicate_loop_to_header_edge): Improve updating of frequencies.
6470         (lv_adjust_loop_entry_edge, loop_version): Set probabilities
6471         and frequencies according to arguments.
6472         * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
6473         correctly.
6474         * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
6475         * modulo-sched.c (sms_schedule): Set probabilities for entering
6476         versioned loop correctly.
6477         * tree-vect-transform.c (vect_transform_loop): Ditto.
6478         * cfgloop.h (loopify, loop_version): Declaration changed.
6479         (scale_loop_frequencies): Declared.
6481 2007-01-02  Jan Hubicka  <jh@suse.cz>
6483         * cgraph.c: Include tree-flow.h
6484         (cgraph_add_new-function): Handle IPA_SSA mode; execute
6485         early_local_passes.
6486         * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
6487         * tree-pass.h (pass_all_early_optimizations): Declare.
6488         * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
6489         early_local_passes.
6490         (cgraph_analyze_function): Do early_local_passes.
6491         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
6492         Do not add referenced vars.
6493         * tree-optimize.c (gate_all_optimizations): Do not execute when not in
6494         SSA form.
6495         (gate_all_early_local_passes): New gate.
6496         (pass_early_local_passes): Use new gate.
6497         (execute_early_local_optimizations): New functions.
6498         (gate_all_early_optimizations): New gate.
6499         (pass_all_early_optimizations): New pass.
6500         (execute_free_datastructures): Free SSA only when initialized.
6501         (gate_init_datastructures): Init only when optimizing.
6502         (tree_lowering_passes): Do early local passes when called late.
6503         * tree-profile.c (do_tree_profiling): Don't profile functions added
6504         late.
6505         (do_early_tree_profiling, pass_early_tree_profile): Kill.
6506         * tree-cfg.c (update_modified_stmts): Do not update when operands are
6507         not active.
6508         * passes.c (init_optimizations_passes): Reorder so we go into SSA
6509         during early_local_passes.
6510         * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
6513 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
6515         * Makefile.in: Update copyright year.
6517 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
6519         * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
6520         in $(lang_checks) and check-consistency targets.
6522 2007-01-02  Jan Hubicka  <jh@suse.cz>
6524         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
6525         Do not add referenced vars.
6526         * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
6527         are not active.
6528         * passes.c (init_optimization_passes): Put mudflap_2 after
6529         free_datastructures.
6531 2007-01-02  Jan Hubicka  <jh@suse.cz>
6533         * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
6534         Set NOTHROW flag on call statements proved to be nothrow.
6535         Update statement of local calls so new pure/const functions are
6536         updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
6537         goto receivers.
6538         (tree_rest_of_compilation): Register hooks and initialize bitmap
6539         early. Do not set after_inlining flag.
6541 2007-01-02  Steve Ellcey  <sje@cup.hp.com>
6543         * sbitmap.c (HOST_BITS_PER_LONG_LONG):  Change to
6544         HOST_BITS_PER_LONGLONG
6546 2007-01-02  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
6548         PR c/19977
6549         * c-typeck.c (store_init_value): Don't emit pedantic overflow
6550         warning for non-static initializers.
6552 2007-01-02  Steven Bosscher  <steven@gcc.gnu.org>
6554         * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
6555         m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
6556         rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
6557         Always use set_unique_reg_note to add REG_EQUAL notes.
6559 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
6561         Revert:
6562         2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
6564         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
6565         * cfgbuild.c (find_basic_blocks): Likewise.
6566         * cfgrtl.c (rtl_create_basic_block): Likewise.
6567         * function.c (temp_slots_at_level): Likewise.
6568         * reg-stack.c (stack_regs_mentioned): Likewise.
6569         * regclass.c (allocate_reg_info): Likewise.
6570         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
6571         set_bb_for_stmt, move_block_to_fn): Likewise.
6572         * tree-complex.c (tree_lower_complex): Likewise.
6573         * vec.h (VEC_safe_grow_cleared): New.
6575 2007-01-02  Ian Lance Taylor  <iant@google.com>
6577         * c-common.c (c_common_truthvalue_conversion): When warning about
6578         using an assignment as a truth value, set TREE_NO_WARNING.
6580 2007-01-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6582         PR middle-end/7651
6583         * c.opt (Wold-style-declaration): New.
6584         * doc/invoke.texi (C-only Warning Options): New.
6585         (Wold-style-declaration): Document it.
6586         (Wextra): Enabled by -Wextra.
6587         * c-opts.c (c_common_post_options): Enabled by -Wextra.
6588         * c-decl.c (declspecs_add_scspec): Replace -Wextra with
6589         -Wold-style-declaration.
6591 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
6593         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
6594         * cfgbuild.c (find_basic_blocks): Likewise.
6595         * cfgrtl.c (rtl_create_basic_block): Likewise.
6596         * function.c (temp_slots_at_level): Likewise.
6597         * reg-stack.c (stack_regs_mentioned): Likewise.
6598         * regclass.c (allocate_reg_info): Likewise.
6599         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
6600         set_bb_for_stmt, move_block_to_fn): Likewise.
6601         * tree-complex.c (tree_lower_complex): Likewise.
6602         * vec.h (VEC_safe_grow_cleared): New.
6604 2007-01-02  Douglas Gregor  <doug.gregor@gmail.com>
6606         * c-common.c (c_common_nodes_and_builtins): Since variants of
6607         void_type_node get built before it is given a name, we need to
6608         give those variants the name, too.
6609         (complete_array_type): We need to work with the canonical main
6610         type of the array, from which we will build the qualified version.
6611         * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
6612         * print-tree.c (print_node): Display canonical type information
6613         for each type.
6614         * stor-layout.c (layout_type): When we don't know the
6615         alignment of a type for which we're building an array, we end up
6616         guessing wrong, so make the type require structural equality.
6617         * tree.c (make_node_stat): When we build a new type, it is its
6618         own canonical type.
6619         (build_type_attribute_qual_variant): When building an attribute
6620         variant, its canonical type is the non-attribute variant. However,
6621         if the attributes are target-dependent and they differ, we need to
6622         use structural equality checks for this type.
6623         (build_qualified_type): A qualified type is not equivalent to its
6624         unqualified variant; set the canonical type appropriately.
6625         (build_distinct_type_copy): When building a distinct type from
6626         another type, the new type is its own canonical type.
6627         (build_variant_type_copy): When building a new type variant, we
6628         assume that it is equivalent to the original type.
6629         (build_pointer_type_for_mode): When building a pointer type, also
6630         build a canonical type pointer.
6631         (build_reference_type_for_mode): When building a reference type,
6632         also build a canonical type reference.
6633         (build_index_type): When we can't hash an index type (e.g.,
6634         because its maximum value is negative), the index type requires
6635         structural equality tests.
6636         (build_array_type): Build the canonical form of an array type.
6637         (build_function_type): Function types require structural equality,
6638         because they contain default arguments, attributes, etc.
6639         (build_method_type_directly): Ditto for method types.
6640         (build_offset_type): Build the canonical offset type.
6641         (build_complex_type): Build the canonical vector type.
6642         (make_vector_type): Build the canonical vector type.
6643         * tree.h (TYPE_CANONICAL): New.
6644         (TYPE_STRUCTURAL_EQUALITY_P): New.
6645         (SET_TYPE_STRUCTURAL_EQUALITY): New.
6646         (struct tree_type): Added "canonical" field.
6647         * params.h (VERIFY_CANONICAL_TYPES): New.
6648         * doc/c-tree.texi (TYPE_CANONICAL): Document.
6649         (TYPE_STRUCTURAL_EQUALITY_P): Document.
6650         (SET_TYPE_STRUCTURAL_EQUALITY): Document.
6651         * doc/invoke.texi (verify-canonical-types): Document --param
6652         parameter for verifying canonical types.
6654 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
6656         * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
6657         powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
6658         powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
6659         powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
6660         tm_file.
6661         * config/rs6000/e500.h: New.
6662         * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
6663         TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
6664         Remove.
6665         * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
6666         TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
6667         TARGET_E500_DOUBLE): Remove.
6668         * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
6669         TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
6670         * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
6671         * config/rs6000/rs6000.c (rs6000_override_options): Use
6672         CHECK_E500_OPTIONS.
6674 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
6676         * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
6677         TARGET_E500_DOUBLE), not TARGET_E500, for %y.
6678         (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
6679         rs6000_emit_cmove): Don't check TARGET_E500.
6680         * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
6681         sordered): Don't check TARGET_E500.
6683 2007-01-01  Eric Christopher  <echristo@apple.com>
6685         * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
6686         HARD_REGISTER_NUM_P.
6688 2007-01-01  Roger Sayle  <roger@eyesopen.com>
6690         * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
6691         "X eq/ne (C1^C2)".  Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
6692         has no side-effects.  Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
6693         eq/ne Y".
6695 2007-01-01  Mike Stump  <mrs@apple.com>
6697         * configure.ac: Remove support for building with Apple's gcc-3.1.
6699 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
6701         PR middle-end/30311
6702         * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
6703         REG is a hard register.  Do not modify REG before calling
6704         subreg_nregs.
6705         * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
6706         multiple of the size of YMODE for certain lowpart cases.
6708 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
6710         PR middle-end/30253
6711         * gimplify (voidify_wrapper_expr): Update for
6712         GIMPLE_MODIFY_STMT.
6714 2007-01-01  Andreas Schwab  <schwab@suse.de>
6716         PR target/29166
6717         * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
6718         save of BR0 in extra_spill_size instead of spill_size.
6719         (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
6720         area.
6721         (ia64_expand_epilogue): Restore BR0 from its new location.
6723 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
6725         * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
6726         Use a temporary variable if the left hand side is not a gimple
6727         register.
6729 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
6731         * gimplify.c (gimplify_return_expr): Make the temporary variable
6732         for the return expression, a gimple register variable.
6734 2007-01-01  Jan Hubicka  <jh@suse.cz>
6736         * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
6737         INSN_LIST.
6739 2007-01-01  Mike Stump  <mrs@apple.com>
6741         * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
6742         .literal16.
6743         * config/darwin.c (machopic_select_rtx_section): Use
6744         HAVE_GAS_LITERAL16.
6745         (darwin_mergeable_constant_section): Likewise.
6746         * configure: Regenerate.
6747         * config.in: Regenerate.
6749 2007-01-01  Jan Hubicka  <jh@suse.cz>
6750             Andrew Pinski  <pinskia@gmail.com>
6752         * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
6753         before starting IPA passes.