* c-decl.c (static_ctors): Move to c-common.c.
[official-gcc.git] / gcc / ChangeLog
blob8388cef151cb8d786c1c6c20f7b9638a16ed66e2
1 2007-02-26  Mark Mitchell  <mark@codesourcery.com>
3         * c-decl.c (static_ctors): Move to c-common.c.
4         (static_dtors): Likewise.
5         (finish_function): Use c_record_cdtor_fn.
6         (build_cdtor): Move to c-common.c.
7         (c_write_global_declarations): Use c_build_cdtor_fns.
8         * c-common.h (static_ctors): Declare.
9         (static_dtors): Likewise.
10         (c_record_cdtor_fn): Likewise.
11         (c_build_cdtor_fns): Likewise.
12         * c-common.c (static_ctors): New variable.
13         (static_dtors): Likewise.
14         (c_record_cdtor_fn): New function.
15         (build_cdtor): Move from c-decl.c
16         (c_build_cdtor_fns): New function.
18         * output.h (assemble_addr_to_section): Declare.
19         (get_cdtor_priority_section): Likewise.
20         * varasm.c (assemble_addr_to_section): New function.
21         (get_cdtor_priority_section): Likewise.
22         (default_named_section_asm_out_destructor): Use them.
23         (destor_dtor_section_asm_out_destructor): Likewise.
24         (default_named_section_asm_out_constructor): Likewise.
25         (default_ctor_section_asm_out_constructor): Likewise.
26         * config.gcc (*-*-vxworks*): Include vxworks.o.
27         * config/t-vxworks (vxworks.o): New target.
28         * config/vxworks.h (ALWAYS_NUMBER_CTORS_SECTIONS): Remove.
29         (TARGET_ASM_CONSTRUCTOR): Define.
30         (TARGET_ASM_DESTRUCTOR): Likewise.
31         (vxworks_asm_out_constructor): Declare.
32         (vxworks_asm_out_destructor): Likewise.
34         * c-common.c (get_priority): Check that we have not just an
35         INTEGER_CST, but an integer constant with integeral type.
37 2007-02-25  Uros Bizjak  <ubizjak@gmail.com>
39         PR tree-optimization/30938
40         * tree-vect-transform.c (vectorizable_call): Fix off-by-one error:
41         use &dt[nargs-1] instead of &dt[nargs] in the call to
42         vect_is_simple_use().
44 2007-02-25  Ulrich Weigand  <uweigand@de.ibm.com>
46         * reload.c (find_reloads_address_1): Handle PLUS expressions resulting
47         from register elimination as PRE_MODIFY / POST_MODIFY increments.
48         Do not attempt to handle MEM inside auto-inc expressions.
49         * reload1.c (eliminate_regs_1): Do not attempt to handle elimination
50         of a register modified by an auto-inc expression.  However, do handle
51         elimination of a register used as PRE_MODIFY / POST_MODIFY increment.
52         (elimination_effects): Prohibit elimination of a register modified
53         by an auto-inc expression.  Disable register elimination rules whose
54         target register is modified by an auto-inc expression with variable
55         increment.
57 2007-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
59         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): Fix
60         off-by-one error.
61         (array_at_struct_end_p): New function.
62         (idx_infer_loop_bounds): Use it.
63         (estimate_numbers_of_iterations_loop): Export.
64         * predict.c (predict_loops): Use estimated_loop_iterations_int.
65         Do not use PRED_LOOP_EXIT on exits predicted by # of iterations.
66         (tree_estimate_probability): Call record_loop_exits.
67         * tree-data-ref.c (get_number_of_iters_for_loop): Replaced by ...
68         (estimated_loop_iterations, estimated_loop_iterations_int,
69         estimated_loop_iterations_tree): New functions.
70         (analyze_siv_subscript_cst_affine,
71         compute_overlap_steps_for_affine_1_2,
72         analyze_subscript_affine_affine): Use estimated_loop_iterations_int.
73         (analyze_miv_subscript): Use estimated_loop_iterations_tree.
74         * predict.def (PRED_LOOP_ITERATIONS): Update comment.
75         (PRED_LOOP_ITERATIONS_GUESSED): New.
76         * cfgloop.c (record_loop_exits): Do nothing if there are no loops.
77         * cfgloop.h (estimate_numbers_of_iterations_loop,
78         estimated_loop_iterations_int): Declare.
80 2007-02-25  Mark Mitchell  <mark@codesourcery.com>
82         * doc/extend.texi: Document optional priority argument to
83         constructors and destructors.
84         * tree.c (init_priority_for_decl): Adjust GTY markers.
85         (init_ttree): Use priority-info hash functions for
86         init_priority_for_decl.
87         (tree_map_eq): Rename to ...
88         (tree_map_base_eq): ... this.
89         (tree_map_marked_p): Rename to ...
90         (tree_map_base_marked_p): ... this.
91         (tree_map_base_hash): New function.
92         (decl_init_priority_lookup): Rework.
93         (decl_fini_priority_lookup): New function.
94         (decl_priority_info): New function.
95         (decl_init_priority_insert): Use it.
96         (decl_fini_priority_insert): Likewise.
97         (decl_restrict_base_lookup): Adjust for refactoring of tree_map
98         hierarchy.
99         (decl_restrict_base_insert): Likewise.
100         (decl_debug_expr_insert): Likewise.
101         (decl_value_expr_lookup): Likewise.
102         (decl_value_expr_insert): Likewise.
103         * tree.h (priority_type): New type.
104         (decl_init_priority_lookup): Use priority_type.
105         (decl_fini_priority_lookup): New function.
106         (decl_init_priority_insert): Use priority_type.
107         (decl_fini_priority_insert): New function.
108         (DECL_HAS_INIT_PRIORITY): Tweak comments.
109         (DECL_INIT_PRIORITY): Likewise.
110         (SET_DECL_INIT_PRIORITY): Add comment.
111         (DECL_FINI_PRIORITY): New macro.
112         (SET_DECL_FINI_PRIORITY): Likewise.
113         (DEFAULT_INIT_PRIORITY): Document.
114         (MAX_INIT_PRIORITY): Likewise.
115         (MAX_RESERVED_INIT_PRIORITY): Likewise.
116         (tree_map_base): New type.
117         (tree_map_base_eq): New function.
118         (tree_map_base_hash): Likewise.
119         (tree_map_base_marked_p): Likewise.
120         (tree_map): Inherit from tree_map_base.
121         (tree_map_eq): Make it a macro.
122         (tree_map_marked_p): Likewise.
123         (tree_int_map): Inherit from tree_map_base.
124         (tree_int_map_eq): Make it a macro.
125         (tree_int_map_hash): Likewise.
126         (tree_int_map_marked_p): Likewise.
127         (tree_priority_map): New type.
128         (tree_priority_map_eq): New macro.
129         (tree_priority_map_hash): Likewise.
130         (tree_priority_map_marked_p): Likewise.
131         * varasm.c (emults_decl): Adjust for refactoring of tree_map
132         hierarchy.
133         (emutls_common_1): Likewise.
134         * lambda-code.c (replace_uses_equiv_to_x_with_y): Likewise.
135         * tree-ssa-structalias.c (heapvar_lookup): Adjust for refactoring
136         of tree_map hierarchy.
137         * tree-cfg.c (move_stmt_r): Likewise.
138         (new_label_mapper): Likewise.
139         * c-tree.h (c_expand_body): Move to ...
140         * c-common.h (c_expand_body): ... here.
141         * c-decl.c (c_expand_body): Move to ...
142         * c-common.c (c_expand_body): ... here.
143         (c_common_attribute_table): Allow 1 argument for the constructor
144         and destructor attributes.
145         (get_priority): New function.
146         (handle_constructor_attribute): Set DECL_INIT_PRIORITY.
147         (handle_destructor_attribute): Set DECL_FINI_PRIORITY.
149 2007-02-24  Jan Hubicka  <jh@suse.cz>
151         PR middle-end/30509
152         * tree-inline.c (copy_bb): Produce exact copy of EH info when copying for inlining.
154 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
155             Jan Hubicka  <jh@suse.cz>
157         PR target/30778
158         * i386.c (counter_mode): New function.
159         (expand_set_or_movmem_via_loop): Use it.
160         (expand_movmem_epilogue): Likewise; fix pasto.
161         (ix86_expand_movmem): Do emit guard even for constant counts.
162         (ix86_expand_setmem): Likewise.
164 2007-02-25  Nick Clifton  <nickc@redhat.com>
166         * config/frv/frv.h (ASM_OUTPUT_CASE_LABEL): Delete.
167         (JUMP_TABLES_IN_TEXT_SECTION): Define.
169 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
171         PR target/30770
172         * config/i386/i386.md (expand_movmem_epilogue): Fix typo, mask
173         count argument with 0x10, not with 0x16.
174         (expand_setmem_epilogue): Ditto.
176 2007-02-24  Mike Stump  <mrs@apple.com>
178         * config/i386/i386.c (output_pic_addr_const): Stubify optimized
179         symbols.
181 2007-02-24  Richard Guenther  <rguenther@suse.de>
183         PR middle-end/30951
184         * fold-const.c (fold_binary): Fold x +- CST op x for
185         EQ_EXPR and NE_EXPR.
187 2007-02-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
189         * pa.md (muldi3): Force subregs to registers in 64-bit expander.
191 2007-02-24  Jan Hubicka  <jh@suse.cz>
193         * cgraphunit.c (decide_is_function_needed): Honor
194         -fkeep-inline-functions.
196 2007-02-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
198         * builtins.c (fold_builtin_modf): New.
199         (fold_builtin_2): Use it.
201 2007-02-24  Bernd Schmidt  <bernd.schmidt@analog.com>
203         * loop-iv.c (implies_p): Detect additional cases where A implies B.
204         (determine_max_iter): Take additional LOOP arg; all callers changed.
205         Lose broken logic dealing with PLUS.  Try to limit the upper bound by
206         one using simplifications.
207         (simplify_using_initial_values): Return if the expression becomes
208         invalid due to altered regs.
210 2007-02-23  DJ Delorie  <dj@redhat.com>
212         * doc/tm.h (BIGGEST_ALIGNMENT): Clarify the purpose of this macro.
214 2007-02-23  Mike Stump  <mrs@apple.com>
216         * tlink.c (scan_linker_output): Parse linker messages from
217         darwin9's linker better.
219 2007-02-23  Steve Ellcey  <sje@cup.hp.com>
221         PR debug/29614
222         * varpool.c (varpool_assemble_pending_decls):  Set
223         varpool_last_needed_node to null.
225 2007-02-23  DJ Delorie  <dj@redhat.com>
227         * config/i386/i386.c (ix86_data_alignment): Don't specify an
228         alignment bigger than the object file can handle.
230 2007-02-23  Uros Bizjak  <ubizjak@gmail.com>
232         PR target/30825
233         * config/i386/i386.md (*movdi_1_rex64, zero_extendsidi2_32,
234         zero_extendsidi2_rex64): Penalize MMX register<->memory moves.
235         (*movsf_1): Penalize MMX moves.
237 2007-02-23  Bernd Schmidt  <bernd.schmidt@analog.com>
239         * config/bfin/bfin.md (doloop_end): Fail for loops that can iterate
240         2^32-1 or more times unless flag_unsafe_loop_optimizations.
242         * loop-iv.c (determine_max_iter): Moved in front of its sole user.
244 2007-02-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
246         * builtins.c (fold_builtin_logb, fold_builtin_significand): New.
247         (fold_builtin_1): Use them.
248         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
249         BUILT_IN_SIGNIFICAND.
251 2007-02-23  H.J. Lu  <hongjiu.lu@intel.com>
253         * config/i386/i386.c (bdesc_1arg): Initialize
254         IX86_BUILTIN_MOVSHDUP and IX86_BUILTIN_MOVSLDUP with
255         "__builtin_ia32_movshdup" and "__builtin_ia32_movsldup".
256         (ix86_init_mmx_sse_builtins): Remove IX86_BUILTIN_MOVSHDUP
257         and IX86_BUILTIN_MOVSLDUP.
259 2007-02-22  Paolo Bonzini  <bonzini@gnu.org>
261         PR rtl-optimization/30841
262         * fwprop.c (propagate_rtx_1): Accept a VOIDmode replacement address.
264 2007-02-22  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
266         * builtins.c (fold_builtin_frexp): New.
267         (fold_builtin_2): Use it.
269 2007-02-22  Mark Mitchell  <mark@codesourcery.com>
271         * doc/invoke.texi (Spec Files): Document getenv spec function.
273         * gcc.c (getenv_spec_function): New function.
274         (static_spec_functions): Add it.
275         * config/vxworks.h (VXWORKS_TARGET_DIR): Remove.
276         (VXWORKS_ADDITIONAL_CPP_SPEC): Use getenv to find the VxWorks
277         header files.
279 2007-02-22  Michael Matz  <matz@suse.de
281         PR c++/29433
282         * dwarf2out.c (add_AT_string): Call ggc_strdup once per string.
283         (type_tag): Use lang_hooks.dwarf_name instead of DECL_NAME.
285 2007-02-22  Ian Lance Taylor  <iant@google.com>
287         PR debug/30898
288         * dwarf2out.c (concatn_mem_loc_descriptor): New static function.
289         (mem_loc_descriptor): Call it.
291 2007-02-22  Zdenek Dvorak  <dvorakz@suse.cz>
292             Ira Rosen  <irar@il.ibm.com>
294         * tree-data-ref.c (ptr_ptr_may_alias_p): Take alias sets into account.
296 2007-02-22  Ira Rosen  <irar@il.ibm.com>
298         PR tree-optimization/30843
299         * tree-vect-transform.c (vect_transform_loop): Remove strided scalar 
300         stores only after all the group is vectorized.
302 2007-02-22  Dorit Nuzman  <dorit@il.ibm.com>
304         PR tree-optimization/30858
305         * tree-vectorizer.c (vect_is_simple_reduction): Check that the stmts
306         in the reduction cycle have a single use in the loop.
307         * tree-vectorizer.h (relevant): Add documentation.
309 2007-02-20  Mike Stump  <mrs@apple.com>
311         * configure.ac (powerpc*-*-darwin*): #include <sys/cdefs.h>.
312         * configure: Regenerate.
314 2007-02-21  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
316         Change the defaults of some parameters and options.
317         * config/spu/spu-protos.h (spu_optimization_options): Declare.
318         * config/spu/spu.c (spu_optimization_options): Add.
319         (spu_override_options): Change params in spu_optimization_options.
320         * config/spu/spu.h (OPTIMIZATION_OPTIONS): Define.
322         Register 127 is only 16 byte aligned when used as a frame pointer.
323         * config/spu/spu-protos.h (spu_init_expanders): Declare.
324         * config/spu/spu.c (spu_expand_prologue): Set REGNO_POINTER_ALIGN for
325         HARD_FRAME_POINTER_REGNUM.
326         (spu_legitimate_address):  Use regno_aligned_for_reload.
327         (regno_aligned_for_load):  HARD_FRAME_POINTER_REGNUM is only 16 byte
328         aligned when frame_pointer_needed is true.
329         (spu_init_expanders): New.  Set alignment of HARD_FRAME_POINTER_REGNUM
330         to 8 bits.
331         * config/spu/spu.h (INIT_EXPANDERS): Define.
333         Make sure shift and rotate instructions have valid immediate operands.
334         * config/spu/predicates.md (spu_shift_operand): Remove.
335         * config/spu/spu.c (print_operand): Add [efghEFGH] modifiers.
336         * config/spu/constraints.md (W, O): Extend range.
337         * config/spu/spu.md (umask, nmask): Define.
338         (ashl<mode>3, ashldi3, ashlti3_imm, shlqbybi_ti, shlqbi_ti, shlqby_ti,
339         lshr<mode>3, rotm_<mode>, lshr<mode>3_imm, rotqmbybi_<mode>,
340         rotqmbi_<mode>, rotqmby_<mode>, ashr<mode>3, rotma_<mode>,
341         rotl<mode>3, rotlti3, rotqbybi_ti, rotqby_ti, rotqbi_ti): Use
342         spu_nonmem_operand instead of spu_shift_operands.  Use new modifiers.
343         (lshr<mode>3_reg):  Fix rtl description.
345         Make sure mulhisi immediate operands are valid.
346         * config/spu/predicates.md (imm_K_operand): Add.
347         * config/spu/spu.md (mulhisi3_imm, umulhisi3_imm): Use imm_K_operand.
349         Generate constants using fsmbi and andi.
350         * config/spu/spu.c (enum immediate_class): Add IC_FSMBI2.
351         (print_operand, spu_split_immediate, classify_immediate,
352         fsmbi_const_p): Handle IC_FSMBI2.
354         Correctly handle a CONST_VECTOR containing symbols.
355         * config/spu/spu.c (print_operand): Handle HIGH correctly.
356         (spu_split_immediate): Split CONST_VECTORs with -mlarge-mem.
357         (immediate_load_p): Allow symbols that use 2 instructions to create.
358         (classify_immediate, spu_builtin_splats):  Don't accept a CONST_VECTOR
359         with symbols when flag_pic is set.
360         (const_vector_immediate_p): New.
361         (logical_immediate_p, iohl_immediate_p, arith_immediate_p): Don't
362         accept a CONST_VECTOR with symbols.
363         (spu_legitimate_constant_p): Use const_vector_immediate_p.  Don't
364         accept a CONST_VECTOR with symbols when flag_pic is set.  Handle HIGH
365         correctly.
366         * config/spu/spu.md (high, low): Delete.
367         (low_<mode>): Define.
369         Remove INTRmode and INTR_REGNUM, which didn't work.
370         * config/spu/spu.c (spu_conditional_register_usage): Remove reference
371         of INTR_REGNUM.
372         * config/spu/spu-builtins.md (spu_idisable, spu_ienable, set_intr,
373         set_intr_pic, set_intr_cc, set_intr_cc_pic, set_intr_return, unnamed
374         peephole2 pattern): Don't use INTR or 131.
375         (movintrcc): Delete.
376         * config/spu/spu.h (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS,
377         CALL_USED_REGISTERS, REGISTER_NAMES, INTR_REGNUM): Remove INTR_REGNUM.
378         * config/spu/spu.md (UNSPEC_IDISABLE, UNSPEC_IENABLE): Remove.
379         (UNSPEC_SET_INTR): Add.
380         * config/spu/spu-modes.def (INTR): Remove.
382         More accurate warnings about run-time relocations.
383         * config/spu/spu.c (reloc_diagnostic): Test in_section.
385         Correctly warn about immediate arguments to specific intrinsics.
386         * config/spu/spu.c (spu_check_builtin_parm): Handle CONST_VECTORs.
387         (spu_expand_builtin_1): Call spu_check_builtin_parm before checking
388         the instruction predicate.
390         Fix tree check errors with latest update.
391         * config/spu/spu.c (expand_builtin_args, spu_expand_builtin_1): Use
392         CALL_EXPR_ARG.
393         (spu_expand_builtin): Use CALL_EXPR_FN.
395         Add missing specific intrinsics.
396         * config/spu/spu-builtins.def: Add si_bisled, si_bisledd and
397         si_bislede.
398         * config/spu/spu_internals.h: Ditto.
400         Fix incorrect operand modifiers.
401         * config/spu/spu-builtins.md (spu_mpy, spu_mpyu):  Remove use of %H.
402         * config/spu/spu.md (xor<mode>3):  Change %S to %J.
404         Optimize one case of zero_extend of a vec_select.
405         * config/spu/spu.md (_vec_extractv8hi_ze):  Add.
407         Accept any immediate for hbr.
408         * config/spu/spu.md (hbr):  Change s constraints to i.
410 2007-02-21  Paul Brook  <paul@codesourcery.com>
412         * config/arm/arm.c (thumb2_final_prescan_insn): Don't incrememnt
413         condexec_count when skipping USE and CLOBBER.
415 2007-02-21  Nick Clifton  <nickc@redhat.com>
417         * common.opt (Warray-bounds): Add Warning attribute.
418         (Wstrict-overflow, Wstrict-overflow=, Wcoverage-mismatch):
419         Likewise.
420         (fsized-zeroes): Add Optimization attribute.
421         (fsplit-wide-types, ftree-scev-cprop): Likewise.
422         * c.opt (Wc++0x-compat): Add Warning attribute.
424 2007-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
426         PR middle-end/30761
427         * reload1.c (eliminate_regs_in_insn): In the single_set special
428         case, attempt to re-recognize the insn before falling back to
429         having reload fix it up.
431 2007-02-20  Eric Christopher  <echristo@gmail.com>
433         * config/frv/frv.c (frv_read_argument): Take a tree and int argument.
434         Rewrite accordingly.
435         (frv_read_iacc_argument): Ditto.
436         (frv_expand_set_builtin): Take a call instead of arglist, update for
437         above changes.
438         (frv_expand_unop_builtin): Ditto.
439         (frv_expand_binop_builtin): Ditto.
440         (frv_expand_cut_builtin): Ditto.
441         (frv_expand_binopimm_builtin): Ditto.
442         (frv_expand_voidbinop_builtin): Ditto.
443         (frv_expand_int_void2arg): Ditto.
444         (frv_expand_prefetches): Ditto.
445         (frv_expand_voidtriop_builtin): Ditto.
446         (frv_expand_voidaccop_builtin): Ditto.
447         (frv_expand_load_builtin): Ditto.
448         (frv_expand_store_builtin): Ditto.
449         (frv_expand_mdpackh_builtin): Ditto.
450         (frv_expand_mclracc_builtin): Ditto.
451         (frv_expand_mrdacc_builtin): Ditto.
452         (frv_expand_mwtacc_builtin): Ditto.
453         (frv_expand_builtin): Remove usage of CALL_EXPR_ARGS, update
454         calls for above.
456 2007-02-20  Janis Johnson  <janis187@us.ibm.com>
458         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcmpb and -mdfp.
459         * configure.ac (HAVE_GAS_CMPB): Check for assembler support of the
460         cmpb instruction.
461         (HAVE_GAS_DFP): Check for assembler support of decimal floating
462         point instructions.
463         * configure: Regenerate.
464         * config.in: Regenerate.
465         * config/rs6000/rs6000.opt (mcmpb, mdfp): New.
466         * config/rs6000/rs6000.c (rs6000_override_options): Add CMPB and DFP
467         masks to power6 and power6x and to POWERPC_MASKS.
468         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
469         _ARCH_PWR6.
470         * config/rs6000/rs6000.h: Check assembler support for CMPB and DFP.
471         * config/rs6000/sysv4.opt (mprototype): Use variable, not mask.
472         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
473         Access PROTOTYPE as variable, not mask.
475 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
477         * rtl.h (remove_reg_equal_equiv_notes): New prototype.
478         * rtlanal.c (remove_reg_equal_equiv_notes): New function.
479         * combine.c (adjust_for_new_dest): Use it.
480         * postreload.c (reload_combine): Likewise.
482 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
484         * rtlanal.c (find_reg_equal_equiv_note): Do not find REG_EQ*
485         notes on an insn with multiple sets, even if single_set returns
486         non-NULL for that insn.
488 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
490         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle scalb,
491         scalbn and scalbln.
493 2007-02-20  Geoffrey Keating  <geoffk@apple.com>
495         * config/darwin.h (LINK_SPEC): Default -mmacosx-version-min only
496         if user didn't pass it.
497         * config/i386/darwin.h (CC1_SPEC): Likewise.
498         * config/rs6000/darwin.h (CC1_SPEC): Likewise.
499         (DARWIN_MINVERSION_SPEC): Don't depend on user's setting of
500         -mmacosx-version-min.
502 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
503             Uros Bizjak  <ubizjak@gmail.com>
505         * optabs.h (enum optab_index): Add new OTI_scalb.
506         (scalb_optab): Define corresponding macro.
507         * optabs.c (init_optabs): Initialize scalb_optab.
508         * genopinit.c (optabs): Implement scalb_optab using scalb?f3
509         patterns.
510         * builtins.c (expand_builtin_mathfn_2, expand_builtin): Handle
511         BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L} and BUILT_IN_SCALBLN{,F,L}.
512         (expand_builtin): Expand BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L}
513         and BUILT_IN_SCALBLN{,F,L} using expand_builtin_mathfn_2 if
514         flag_unsafe_math_optimizations is set.
516         * config/i386/i386.md (scalbxf3, scalb<mode>3): New expanders
517         to implement scalbf, scalb and scalbl built-ins as inline x87
518         intrinsics.
520 2007-02-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
521             DJ Delorie <dj@redhat.com>
523         PR other/30824
524         * diagnostic.c (diagnostic_count_diagnostic): Move -Werror logic to...
525         (diagnostic_report_diagnostic): ... here, and turn them into real
526         errors. If warnings are inhibited, no need to do anything.
528 2007-02-20  Uros Bizjak  <ubizjak@gmail.com>
530         * config/i386/i386.md (expm1xf2): Reorder insn sequence for
531         better code generation.
533 2007-02-20  Ben Elliston  <bje@au.ibm.com>
535         * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove extra ;.
537 2007-02-20  Kazu Hirata  <kazu@codesourcery.com>
539         * config/alpha/alpha.c, config/alpha/alpha.md,
540         config/alpha/lib1funcs.asm, config/alpha/vms-crt0-64.c,
541         config/alpha/vms-psxcrt0-64.c, config/arc/arc.c,
542         config/arc/arc.h, config/arm/arm.c, config/arm/arm.md,
543         config/arm/lib1funcs.asm: Follow spelling conventions.
545         * config/c4x/c4x.md, config/cris/cris.c, config/crx/crx.c,
546         config/fr30/fr30.md, config/i386/i386.h,
547         config/iq2000/iq2000.h, config/iq2000/predicates.md,
548         config/pa/milli64.S, config/pa/pa.c, config/pa/pa.h,
549         config/pa/pa.md, config/pa/pa32-regs.h, config/pa/pa64-regs.h,
550         config/pdp11/pdp11.c, config/pdp11/pdp11.h,
551         config/rs6000/altivec.md, config/rs6000/rs6000.c,
552         config/s390/s390-modes.def, config/sparc/netbsd-elf.h,
553         config/sparc/sparc.c, config/sparc/sparc.h,
554         config/sparc/sparc.md, config/spu/constraints.md,
555         config/spu/spu.c, config/stormy16/stormy16.md: Follow spelling
556         conventions.
558 2007-02-20  Alan Modra  <amodra@bigpond.net.au>
560         PR target/29943
561         * varasm.c (use_blocks_for_decl_p): Return false for decls with
562         alias attribute.
564 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
566         * doc/invoke.texi (-ftree-lrs): Remove.
568 2007-02-19  Diego Novillo  <dnovillo@redhat.com>
570         * tree-ssa-pre.c (create_value_expr_from): Initialize POOL to
571         NULL.
573 2007-02-19  Lee Millward  <lee.millward@codesourcery.com>
575         * config/ia64/ia64.c (ia64_expand_builtin): Use the
576         new CALL_EXPR_FN macro for retrieving the function
577         declaration of the input expression.
579 2007-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
581         * c.opt (Waddress): New.
582         * common.opt (Walways-true): Delete.
583         (Wstring-literal-comparison): Delete.
584         * doc/invoke.texi (Warning Options): Delete -Walways-true and
585         -Wstring-literal-comparison. Add -Waddress.
586         (Waddress): New.
587         (Walways-true): Delete.
588         (Wstring-literal-comparison): Delete.
589         * doc/extend.texi (#pragma GCC diagnostic): Use -Wformat
590         consistently instead of -Walways-true in example.
591         * c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall.
592         * c-typeck.c (parser_build_binary_op): Replace
593         -Wstring-literal-comparison and -Walways-true with -Waddress.
594         * c-common.c (c_common_truthvalue_conversion): Replace -Walways-true
595         with -Waddress.
597 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
599         * tree-cfg.c (dump_function_to_file): Be prepared for functions
600         without DECL_STRUCT_FUNCTION initialized.
602 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
604         * gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap
605         due to calls to functions taking pointers as parameters.
607 2007-02-19  Richard Henderson  <rth@redhat.com>
609         PR debug/29558
610         * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
611         in memory.
613 2007-02-19  Andreas Krebbel  <krebbel1@de.ibm.com>
615         * config/s390/s390.c (s390_call_saved_register_used,
616         s390_function_ok_for_sibcall): Adjust the way CALL_EXPR arguments are
617         accessed to the new scheme.
619 2007-02-19  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
621         * config/cris/cris.c (cris_movem_load_rest_p, cris_store_multiple_op_p)
622         (cris_print_index, cris_print_operand, cris_print_operand_address)
623         (cris_reload_address_legitimized, cris_rtx_costs, cris_address_cost)
624         (cris_side_effect_mode_ok, cris_valid_pic_const, cris_split_movdx)
625         (cris_expand_pic_call_address): Use xxx_P predicate macros instead of
626         GET_CODE () == xxx.
627         * config/cris/cris.h (SECONDARY_RELOAD_CLASS, EXTRA_CONSTRAINT_Q,
628         EXTRA_CONSTRAINT_T, BDAP_INDEX_P, BIAP_INDEX_P, SIMPLE_ADDRESS_P,
629         GO_IF_LEGITIMATE_ADDRESS): Ditto.
630         * config/cris/cris.md (define_insns: *btst, movdi, *mov_side<mode>)
631         (*mov_sidesisf, *mov_side<mode>_mem, *mov_sidesisf_mem)
632         (*clear_side<mode>, movsi, *movsi_internal, *ext_sideqihi)
633         (*ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>, addsi3)
634         (*extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side)
635         (*extop<mode>si_swap_side, addi_mul, *addi,andsi3, andhi3, ashl<mode>3)
636         (uminsi3, call, call_value): Ditto.
637         (define_split: indir_to_reg_split, unnamed): Ditto.
639 2007-02-19  Dorit Nuzman  <dorit@il.ibm.com>
641         PR tree-optimization/30975
642         * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove
643         wrong assert.
645 2007-02-18  Eric Christopher  <echristo@gmail.com>
647         * mips.c (mips_prepare_builtin_arg): Add argnum parameter.
648         Remove use of arglist.
649         (mips_expand_builtin): Remove use of arglist, pass in expr.
650         (mips_expand_builtin_direct): Rewrite handling for arglist removal.
651         (mips_expand_builtin_movtf): Ditto.
652         (mips_expand_builtin_compare): Ditto.
654 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
656         * tree-sra.c (sra_build_assignment): Replace assertion
657         checking with a comment explaining why it can't be done.
659 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
661         PR middle-end/30833
662         * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed
663         during CALL_EXPR representation conversion.
664         * tree-ssa-propagate.c (set_rhs): Likewise.
666 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
668         * tree-sra.c (sra_build_assignment): Disable assertion checking
669         for now.
671 2007-02-18  Roger Sayle  <roger@eyesopen.com>
673         * function.c (gimplify_parameters): Call build_gimple_modify_stmt
674         instead of calling build2 with a GIMPLE_MODIFY_STMT.
675         * gimple-low.c (lower_function_body, lower_builtin_setjmp):
676         Likewise.
677         * gimplify.c (build_stack_save_restore, gimplify_return_expr,
678         gimplify_decl_expr,  gimplify_self_mod_expr, gimplify_cond_expr,
679         gimplify_init_ctor_eval_range, gimple_push_cleanup,
680         gimplify_omp_for, gimplify_omp_atomic_pipeline,
681         gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos,
682         force_gimple_operand): Likewise.
683         * ipa-cp.c (constant_val_insert): Likewise.
684         * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
685         lambda_loopnest_to_gcc_loopnest, replace_uses_equiv_to_x_with_y,
686         perfect_nestify): Likewise.
687         * langhooks.c (lhd_omp_assignment): Likewise.
688         * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses,
689         lower_copyprivate_clauses, lower_send_clauses,
690         lower_send_shared_vars, expand_parallel_call,
691         expand_omp_for_generic, expand_omp_for_static_nochunk,
692         expand_omp_for_static_chunk, expand_omp_sections,
693         lower_omp_single_copy, lower_omp_for_lastprivate,
694         lower_omp_parallel, init_tmp_var, save_tmp_var): Likewise.
695         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
696         tree_mod_subtract, tree_ic, tree_stringop_fixed_value):
697         Likewise.
699 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
701         * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h,
702         config/sh/sh.md: Follow spelling conventions.
704         * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md,
705         config/frv/predicates.md: Follow spelling conventions.
707         * config/m68k/linux-unwind.h: Fix a comment typo.
708         * target.h: Follow spelling conventions.
710 2007-02-18  Roger Sayle  <roger@eyesopen.com>
712         PR rtl-optimization/28173
713         * simplify-rtx.c (simplify_binary_operation_1) <IOR>:  Optimize
714         (X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects.
715         Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0.
716         Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2.
717         <AND>: Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2).
719 2007-02-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
721         * builtins.c (fold_builtin_load_exponent): New.
722         (fold_builtin_2): Use it.
724 2007-02-18  Steven Bosscher  <steven@gcc.gnu.org>
726         PR rtl-optimization/30773
727         * local-alloc.c (update_equiv_regs): Do not set reg_equiv_init
728         if we fail to attach a REG_EQUIV note.
730 2007-02-18  David Edelsohn  <edelsohn@gnu.org>
731             Roger Sayle  <roger@eyesopen.com>
733         * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter.
735 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
737         * calls.c (initialize_argument_information): Pass original EXP
738         and STRUCT_VALUE_ADDR_VALUE instead of a list of arguments.  Move
739         code to split complex arguments here, as part of initializing the
740         ARGS array.
741         (expand_call): Remove code that builds a list of arguments and
742         inserts implicit arguments into it.  Instead, just count how many
743         implicit arguments there will be so we can determine the size of
744         the ARGS array, and let initialize_argument_information do the work.
745         (split_complex_values): Delete unused function.
747 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
749         * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.
751 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
753         * calls.c (mem_overlaps_already_clobbered_arg_p): Return true
754         for arg pointer based indexed addressing.
756 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
758         * config/ia64/ia64.h, config/ia64/ia64.md,
759         config/ia64/predicates.md, config/ia64/sysv4.h: Follow
760         spelling conventions.
762 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
764         * config/m68k/m68k.c (split_di): New.
765         * config/m68k/m68k-protos.h: Declare split_di.
766         * config/m68k/m68k.md (extendsidi2*,ashldi3*,ashrdi3*,lshrdi3*):
767           Improve predicate handling and split constant shifts.
769 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
771         * config/m68k/m68k.md (extv,extzv,insv): disable dynamic
772         parameter for register bitfield operations, general predicates
773         cleanup
775 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
777         * config/m68k/linux.h (MD_UNWIND_SUPPORT): Define.
778         * config/m68k/linux-unwind.h: New file.
780 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
782         * cfgloop.c, config/alpha/alpha.c, config/bfin/bfin.c,
783         config/i386/athlon.md, config/ia64/ia64.md,
784         config/rs6000/rs6000.c, config/s390/s390.c, config/spu/spu.md,
785         df-problems.c, df.h, fold-const.c, ipa-cp.c, ipa-inline.c,
786         ipa-prop.h, see.c, struct-equiv.c, tree-inline.c,
787         tree-ssa-loop-niter.c, tree-vect-analyze.c,
788         tree-vect-transform.c: Fix comment typos.
790 2007-02-17  Kazu Hirata  <kazu@codesourcery.com>
792         * sched-deps.c (find_insn_list): Remove.
793         * sched-int.h: Remove the prototype for find_insn_list.
795 2007-02-16  Geoffrey Keating  <geoffk@apple.com>
797         * config/darwin.h (LINK_SPEC): Always pass -macosx_version_min
798         to linker.
799         (DARWIN_EXTRA_SPECS): Add %(darwin_minversion).
800         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Just call
801         darwin_rs6000_override_options.
802         (C_COMMON_OVERRIDE_OPTIONS): Expect
803         darwin_macosx_version_min to be non-NULL always.
804         (TARGET_C99_FUNCTIONS): Likewise.
805         (CC1_SPEC): Always pass -mmacosx-version-min to cc1*.
806         (DARWIN_MINVERSION_SPEC): New.
807         * config/rs6000/rs6000.c (darwin_rs6000_override_options): New.
808         * config/i386/darwin.h (CC1_SPEC): Always pass -mmacosx-version-min
809         to cc1*.
810         (DARWIN_MINVERSION_SPEC): New.
811         * config/darwin.opt (mmacosx-version-min): Initialize to non-NULL
812         value.
813         * config/darwin-c.c (darwin_cpp_builtins): Expect
814         darwin_macosx_version_min to be non-NULL always.
816         * config/rs6000/rs6000.c: Clean up trailing whitespace.
818 2007-02-16  Uros Bizjak  <ubizjak@gmail.com>
820         * config/i386/i386.h (x86_use_xchgb): New.
821         (TARGET_USE_XCHGB): New macro.
822         * config/i386/i386.c (x86_use_xchgb): Set for PENT4.
823         * config/i386/i386.md (*rotlhi3_1 splitter, *rotrhi3_1 splitter):
824         Split after reload into bswaphi for shifts of 8.
825         (bswaphi_lowpart): Generate rolw insn for HImode byte swaps.
826         (*bswaphi_lowpart_1): Generate xchgb for Q registers for TARGET_XCHGB
827         or when optimizing for size.
829 2007-02-16  Richard Guenther  <rguenther@suse.de>
830             Christian Bruel  <christian.bruel@st.com>
832         * fold-const.c (tree_swap_operands_p): Treat SSA_NAMEs like
833         DECLs but prefer SSA_NAMEs over DECLs.
835 2007-02-16  Richard Guenther  <rguenther@suse.de>
837         * tree-flow-inline.h (single_imm_use_p): Remove.
838         (zero_imm_uses_p): Likewise.
839         * tree-ssa-coalesce.c (create_outofssa_var_map): Use has_single_use
840         instead of single_imm_use_p.
841         * tree-cfg.c (replace_uses_by): Use has_zero_use instead of
842         zero_imm_uses_p.
844 2007-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
846         PR other/27843
847         * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid
848         nested double- and backquotes.
850 2007-02-15  Roger Sayle  <roger@eyesopen.com>
852         PR middle-end/30391
853         * tree.c (expr_align): Handle MODIFY_EXPR.  GIMPLE_MODIFY_STMT
854         should be unreachable.
855         (build2_stat): Allow construction of MODIFY_EXPR at any time.
856         For the time being redirect GIMPLE_MODIFY_STMT to the new
857         (renamed) build_gimple_modify_stmt_stat.
858         (build2_gimple_stat): Rename to...
859         (build_gimple_modify_stmt_stat): Now longer take a CODE argument.
860         Always build a GIMPLE_MODIFY_STMT node.
861         * tree.h (build2_gimple, build2_gimple_stat): Delete.
862         (build_gimple_modify_stmt, build_gimple_modify_stmt_stat): New
863         declarations.
865         * tree-cfg.c (factor_computed_gotos, tree_merge_blocks,
866         gimplify_val): Use build_gimple_modify_stmt instead of build2_gimple.
867         * tree-complex.c (set_component_ssa_name, expand_complex_move,
868         expand_complex_div_wide): Likewise.
869         * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
870         * tree-ssa-loop-im.c (schedule_sm): Likewise.
871         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Likewise.
872         * tree-ssa-loop-manip.c (create_iv): Likewise.
873         * tree-ssa-phiopt.c (conditional_replacement, minmax_replacement,
874         abs_replacement): Likewise.
875         * tree-ssa-pre.c (create_expression_by_pieces, poolify_modify_stmt,
876         realify_fake_stores): Likewise.
878         * builtins.c (std_expand_builtin_va_start): Build a MODIFY_EXPR
879         node rather than a GIMPLE_MODIFY_STMT node.
880         (std_gimpify_va_arg_expr, expand_builtin_va_copy,
881         fold_builtin_memset, fold_builtin_memory_op, do_mpfr_sincos):
882         Likewise.
883         (integer_valued_real_p): Handle MODIFY_EXPR, not GIMPLE_MODIFY_STMT.
884         * expr.c (expand_expr_real_1): Handle both MODIFY_EXPR and
885         GIMPLE_MODIFY_STMT.
887 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
889         PR middle-end/30433
890         * fold-const.c (fold_comparison): Add back the
891         folding of constant complex comparisions.
893 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
895         PR middle-end/30729
896         * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
897         effects unknown to this function, return early.
899 2007-02-15  Ian Lance Taylor  <iant@google.com>
901         * lower-subreg.c (move_eh_region_note): New static function.
902         (resolve_simple_move): Call it.
903         (decompose_multiword_subregs): Track blocks for which we resolve a
904         simple move which is also a control flow insn.  Pass them to
905         find_many_sub_basic_blocks.
906         (pass_lower_subreg): Add TODO_verify_flow.
907         (pass_lower_subreg2): Likewise.
909 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
910             Brooks Moses  <brooks.moses@codesourcery.com>
911             Lee Millward  <lee.millward@codesourcery.com>
913         * tree.h (enum tree_code_class): Add tcc_vl_exp.
914         (VL_EXP_CLASS_P): New.
915         (TREE_OPERAND_CHECK): Use TREE_OPERAND_LENGTH instead of
916         TREE_CODE_LENGTH.
917         (TREE_OPERAND_CHECK_CODE): Likewise.
918         (GIMPLE_STMT_OPERAND_CHECK): Likewise.
919         (TREE_RTL_OPERAND_CHECK): Likewise.
920         (tree_operand_check_failed): Make second parameter the whole tree
921         instead of its code.  Fixed callers.
922         (VL_EXP_CHECK): New.
923         (TREE_OPERAND_LENGTH): New.
924         (VL_EXP_OPERAND_LENGTH): New.
925         (CALL_EXPR_FN): New.
926         (CALL_EXPR_STATIC_CHAIN): New.
927         (CALL_EXPR_ARGS): New.
928         (CALL_EXPR_ARG): New.
929         (call_expr_nargs): New.
930         (CALL_EXPR_ARGP): New.
931         (build_nt_call_list): Declare.
932         (build_vl_exp_stat): Declare.
933         (build_vl_exp): New.
934         (build_call_list): Declare.
935         (build_call_nary): Declare.
936         (build_call_valist): Declare.
937         (build_call_array): Declare.
938         (call_expr_arg): Declare.
939         (call_expr_argp): Declare.
940         (call_expr_arglist): Declare.
941         (fold_build_call_list): Declare.
942         (fold_build_call_list_initializer): Declare.
943         (fold_call_expr): Declare to replace fold_builtin.
944         (fold_builtin_fputs): Update to agree with modified definition.
945         (fold_builtin_strcpy): Likewise.
946         (fold_builtin_strncpy): Likewise.
947         (fold_builtin_memory_chk): Likewise.
948         (fold_builtin_stxcpy_chk): Likewise.
949         (fold_builtin_strncpy_chk): Likewise.
950         (fold_builtin_next_arg): Likewise.
951         (fold_build_call_expr): Declare.
952         (fold_builtin_call_list): Declare.
953         (fold_builtin_call_valist): Declare.
954         (build_call_expr): Declare.
955         (validate_arglist): Update to agree with modified definition.
956         (tree_operand_length): New.
957         (call_expr_arg_iterator): New.
958         (init_call_expr_arg_iterator): New.
959         (next_call_expr_arg): New.
960         (first_call_expr_arg): New.
961         (more_call_expr_args_p): New.
962         (FOR_EACH_CALL_EXPR_ARG): New.
964         * tree.c (tree_code_class_string): Add entries for tcc_vl_exp
965         and tcc_gimple_stmt.
966         (tree_code_size): Update documentation.  Use sizeof (tree) rather
967         than sizeof (char *).
968         (tree_size): Likewise.  Add case for tcc_vl_exp.
969         (tree_node_structure): Add case for tcc_vl_exp.
970         (contains_placeholder_p): Likewise.
971         (substitute_in_expr): Likewise.
972         (substitute_placeholder_in_expr): Likewise.
973         (stabilize_reference_1): Likewise.
974         (build3_stat): Remove logic for CALL_EXPRs.  Replace with assertion
975         to diagnose breakage of this interface for constructing CALL_EXPRs.
976         (build_nt): Add similar assertion here.
977         (build_nt_call_list): New.
978         (simple_cst_equal) <CALL_EXPR>: Rewrite to use new accessors.
979         (iterative_hash_expr): Use TREE_OPERAND_LENGTH instead of
980         TREE_CODE_LENGTH.
981         (get_callee_fndecl): Use new CALL_EXPR accessors.
982         (tree_operand_check_failed): Change parameters to pass entire node
983         instead of its code, so that we can call TREE_OPERAND_LENGTH on it.
984         (process_call_operands): New.
985         (build_vl_exp_stat): New.
986         (build_call_list): New.
987         (build_call_nary): New.
988         (build_call_valist): New.
989         (build_call_array): New.
990         (walk_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
991         (call_expr_arglist): New.
993         * tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use
994         tcc_vl_exp instead of a fixed-size tcc_expression.
996         * doc/c-tree.texi (CALL_EXPR): Document new representation and
997         accessors for CALL_EXPRs.
998         (AGGR_INIT_EXPR): Likewise.
1000 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
1001             Brooks Moses  <brooks.moses@codesourcery.com>
1002             Lee Millward  <lee.millward@codesourcery.com>
1004         * builtins.c (c_strlen): Return NULL_TREE instead of 0.
1005         (expand_builtin_nonlocal_goto): Change parameter to be entire
1006         CALL_EXPR instead of an arglist.  Use new CALL_EXPR accessors.
1007         (expand_builtin_prefetch): Likewise.
1008         (expand_builtin_classify_type): Likewise.
1009         (mathfn_built_in): Return NULL_TREE instead of 0.
1010         (expand_errno_check): Use new CALL_EXPR accessors.
1011         (expand_builtin_mathfn): Use new CALL_EXPR accessors and constructors.
1012         Return NULL_RTX instead of 0.
1013         (expand_builtin_mathfn_2): Likewise.
1014         (expand_builtin_mathfn_3): Likewise.
1015         (expand_builtin_interclass_mathfn): Likewise.
1016         (expand_builtin_sincos): Likewise.
1017         (expand_builtin_cexpi): Likewise.
1018         (expand_builtin_int_roundingfn): Likewise.
1019         (expand_builtin_int_roundingfn_2): Likewise.
1020         (expand_builtin_pow): Likewise.
1021         (expand_builtin_powi): Likewise.
1022         (expand_builtin_strlen): Pass entire CALL_EXPR as parameter instead
1023         of arglist, fixing callers appropriately.  Use new CALL_EXPR
1024         accessors and constructors.  Return NULL_RTX instead of 0.
1025         (expand_builtin_strstr): Likewise.
1026         (expand_builtin_strchr): Likewise.
1027         (expand_builtin_strrchr): Likewise.
1028         (expand_builtin_strpbrk): Likewise.
1029         (expand_builtin_memcpy): Likewise.
1030         (expand_builtin_mempcpy): Likewise.
1031         (expand_builtin_mempcpy_args): New.
1032         (expand_builtin_memmove): Similarly to expand_builtin_mempcpy.
1033         (expand_builtin_memmove_args): New.
1034         (expand_builtin_bcopy): Similarly to expand_builtin_mempcpy.
1035         (expand_movstr): Likewise.
1036         (expand_builtin_strcpy): Likewise.
1037         (expand_builtin_strcpy_args): New.
1038         (expand_builtin_stpcpy): Similarly to expand_builtin_strcpy.
1039         (expand_builtin_strncpy): Likewise.
1040         (expand_builtin_memset): Likewise.
1041         (expand_builtin_memset_args): New.
1042         (expand_builtin_bzero): Similarly to expand_builtin_memset.
1043         (expand_builtin_memcmp): Likewise.
1044         (expand_builtin_strcmp): Likewise.
1045         (expand_builtin_strncmp): Likewise.
1046         (expand_builtin_strcat): Likewise.
1047         (expand_builtin_strncat): Likewise.
1048         (expand_builtin_strspn): Likewise.
1049         (expand_builtin_strcspn): Likewise.
1050         (expand_builtin_args_info): Likewise.
1051         (expand_builtin_va_start): Likewise.
1052         (gimplify_va_arg_expr): Likewise.
1053         (expand_builtin_va_end): Likewise.
1054         (expand_builtin_va_copy): Likewise.
1055         (expand_builtin_frame_address): Likewise.
1056         (expand_builtin_alloca): Likewise.
1057         (expand_builtin_bswap): Likewise.
1058         (expand_builtin_unop): Likewise.
1059         (expand_builtin_fputs): Likewise.
1060         (expand_builtin_expect): Likewise.
1061         (expand_builtin_fabs): Likewise.
1062         (expand_builtin_copysign): Likewise.
1063         (expand_builtin_printf): Likewise.
1064         (expand_builtin_fprintf): Likewise.
1065         (expand_builtin_sprintf): Likewise.
1066         (expand_builtin_init_trampoline): Likewise.
1067         (expand_builtin_signbit): Likewise.
1068         (expand_builtin_fork_or_exec): Likewise.
1069         (expand_builtin_sync_operation): Likewise.
1070         (expand_builtin_compare_and_swap): Likewise.
1071         (expand_builtin_lock_test_and_set): Likewise.
1072         (expand_builtin_lock_release): Likewise.
1073         (expand_builtin): Likewise.
1074         (builtin_mathfn_code): Likewise.
1076         (fold_builtin_constant_p): Pass call arguments individually instead
1077         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
1078         accessors and constructors.  Return NULL_TREE instead of 0.
1079         (fold_builtin_expect): Likewise.
1080         (fold_builtin_classify_type): Likewise.
1081         (fold_builtin_strlen): Likewise.
1082         (fold_builtin_nan): Likewise.
1083         (integer_valued_real_p): Likewise.
1084         (fold_trunc_transparent_mathfn): Likewise.
1085         (fold_fixed_mathfn): Likewise.
1086         (fold_builtin_cabs): Likewise.
1087         (fold_builtin_sqrt): Likewise.
1088         (fold_builtin_cbrt): Likewise.
1089         (fold_builtin_cos): Likewise.
1090         (fold_builtin_cosh): Likewise.
1091         (fold_builtin_tan): Likewise.
1092         (fold_builtin_sincos): Likewise.
1093         (fold_builtin_cexp): Likewise.
1094         (fold_builtin_trunc): Likewise.
1095         (fold_builtin_floor): Likewise.
1096         (fold_builtin_ceil): Likewise.
1097         (fold_builtin_round): Likewise.
1098         (fold_builtin_int_roundingfn): Likewise.
1099         (fold_builtin_bitop): Likewise.
1100         (fold_builtin_bswap): Likewise.
1101         (fold_builtin_logarithm): Likewise.
1102         (fold_builtin_hypot): Likewise.
1103         (fold_builtin_pow): Likewise.
1104         (fold_builtin_powi): Likewise.
1105         (fold_builtin_exponent): Likewise.
1106         (fold_builtin_memset): Likewise.
1107         (fold_builtin_bzero): Likewise.
1108         (fold_builtin_memory_op): Likewise.
1109         (fold_builtin_bcopy): Deleted; call site changed to invoke
1110         fold_builtin_memory_op directly.
1111         (fold_builtin_strcpy): Similarly as for fold_builtin_memory_op.
1112         (fold_builtin_strncpy): Likewise.
1113         (fold_builtin_memcmp): Likewise.
1114         (fold_builtin_strcmp): Likewise.
1115         (fold_builtin_strncmp): Likewise.
1116         (fold_builtin_signbit): Likewise.
1117         (fold_builtin_copysign): Likewise.
1118         (fold_builtin_isascii): Likewise.
1119         (fold_builtin_toascii): Likewise.
1120         (fold_builtin_isdigit): Likewise.
1121         (fold_builtin_fabs): Likewise.
1122         (fold_builtin_abs): Likewise.
1123         (fold_builtin_fmin_fmax): Likewise.
1124         (fold_builtin_carg): Likewise.
1125         (fold_builtin_classify): Likewise.
1126         (fold_builtin_unordered_cmp): Likewise.
1128         (fold_builtin_0, fold_builtin_2, fold_builtin_3, fold_builtin_4):
1129         New functions split out from fold_builtin_1.
1130         (fold_builtin_n): New.
1131         (fold_builtin_varargs): New.
1132         (fold_builtin): Deleted.  Most callers changed to use fold_call_expr
1133         instead.
1134         (fold_call_expr): New.
1135         (build_function_call_expr): Rewrite to use new helper function.
1136         (fold_builtin_call_list): New.
1137         (build_call_expr): New.
1138         (fold_builtin_call_valist): New.
1139         (rewrite_call_expr): New.
1140         (validate_arg): New.
1141         (validate_arglist): Change parameter to be entire CALL_EXPR instead
1142         of an arglist.  Change return type to bool.  Use new CALL_EXPR
1143         accessors.
1145         (fold_builtin_strstr):  Pass call arguments individually instead
1146         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
1147         accessors and constructors.  Return NULL_TREE instead of 0.
1148         (fold_builtin_strchr): Likewise.
1149         (fold_builtin_strrchr): Likewise.
1150         (fold_builtin_strpbrk): Likewise.
1151         (fold_builtin_strcat): Likewise.
1152         (fold_builtin_strncat): Likewise.
1153         (fold_builtin_strspn): Likewise.
1154         (fold_builtin_strcspn): Likewise.
1155         (fold_builtin_fputs): Likewise.
1156         (fold_builtin_next_arg): Likewise.
1157         (fold_builtin_sprintf): Likewise.
1159         (expand_builtin_object_size): Use new CALL_EXPR accessors.  Use
1160         NULL_RTX instead of 0.
1161         (expand_builtin_memory_chk): Likewise.
1162         (maybe_emit_chk_warning): Likewise.
1163         (maybe_emit_sprintf_chk_warning): Likewise.
1165         (fold_builtin_object_size): Pass call arguments individually instead
1166         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
1167         accessors and constructors.  Return NULL_TREE instead of 0.
1168         (fold_builtin_memory_chk): Likewise.
1169         (fold_builtin_stxcpy_chk): Likewise.
1170         (fold_builtin_strncpy_chk): Likewise.
1171         (fold_builtin_strcat_chk): Likewise.
1172         (fold_builtin_strcat_chk): Likewise.
1173         (fold_builtin_strncat_chk): Likewise.
1174         (fold_builtin_sprintf_chk): Likewise.
1175         (fold_builtin_snprintf_chk): Likewise.
1176         (fold_builtin_printf): Likewise.
1177         (fold_builtin_vprintf): Likewise.
1179         * fold-const.c (negate_expr_p): Use new CALL_EXPR accessors and
1180         constructors.
1181         (operand_equal_p): Add separate tcc_vl_exp/CALL_EXPR case.
1182         (make_range): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1183         (extract_muldiv_1): Add VL_EXP_CLASS_P case.
1184         (fold_mathfn_compare): Use new CALL_EXPR accessors and constructors.
1185         (fold_unary): Likewise.
1186         (fold_binary): Likewise.
1187         (fold_ternary): Remove CALL_EXPR case, since they are no longer
1188         ternary expressions.
1189         (fold): Add logic for tcc_vl_exp.
1190         (fold_checksum_tree):  Make it know about tcc_vl_exp.  Use
1191         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1192         (fold_build3_stat): Add assertion to flag broken interface for
1193         constructing CALL_EXPRs.
1194         (fold_build_call_list): New.
1195         (fold_build_call_list_initializer): New.
1196         (tree_expr_nonnegative_p): Use new CALL_EXPR accessors and
1197         constructors.
1198         (fold_strip_sign_ops): Likewise.
1200 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
1201             Brooks Moses  <brooks.moses@codesourcery.com>
1202             Lee Millward  <lee.millward@codesourcery.com>
1204         * tree-dump.c (dequeue_and_dump) <CALL_EXPR>: Use new CALL_EXPR
1205         accessors and dump arguments explicitly.
1207         * tree-pretty-print.c (do_niy): Use TREE_OPERAND_LENGTH instead of
1208         TREE_CODE_LENGTH.
1209         (dump_generic_node): Use new CALL_EXPR accessors and walk arguments
1210         explicitly.
1211         (print_call_name): Use new CALL_EXPR accessors.
1213         * print-tree.c (print_node): Add case tcc_vl_exp.  Print
1214         CALL_EXPR arguments explicitly instead of as a list.  Use
1215         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1217         * tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors.
1218         (vrp_visit_stmt): Likewise.
1220         * tree-ssa-loop-im.c (outermost_invariant_loop_expr):  Make it
1221         know about tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of
1222         TREE_CODE_LENGTH.
1223         (force_move_till_expr): Likewise.
1225         * targhooks.c (default_external_stack_protect_fail): Use
1226         build_call_expr instead of build_function_call_expr.
1227         (default_hidden_stack_protect_fail): Likewise.
1229         * tree-complex.c (expand_complex_libcall): Use build_call_expr to
1230         build the call.
1232         * cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors
1233         and walk arguments explicitly.
1235         * tree-ssa-loop-niter.c (simplify_replace_tree): Use
1236         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1237         (expand_simple_operations): Likewise.
1238         (infer_loop_bounds_from_array): Use new CALL_EXPR accessors.
1240         * gengtype.c (adjust_field_tree_exp): Use TREE_OPERAND_LENGTH instead
1241         of TREE_CODE_LENGTH.
1242         (walk_type): Tweak walking of arrays not to blow up on CALL_EXPRs.
1244         * optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH
1245         instead of TREE_CODE_LENGTH.
1247         * value_prof.c (tree_ic): Use new CALL_EXPR accessors.
1248         (tree_ic_transform): Likewise.
1249         (interesting_stringop_to_profile_p): Pass entire CALL_EXPR as
1250         parameter instead of arglist.  Fix callers.
1251         (tree_stringop_fixed_value): Use new CALL_EXPR accessors.
1252         (tree_stringops_transform): Likewise.
1253         (tree_indirect_call_to_profile): Likewise.
1254         (tree_stringops_values_to_profile): Likewise.
1256         * tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator.
1257         (eliminate_tail_call): Likewise.
1259         * ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors.
1261         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
1262         Use TREE_OPERAND_LENGTH and generalize to handle any number of
1263         operands.
1264         (instantiate_parameters_1): Can't handle tcc_vl_exp here.
1266         * omp-low.c (build_omp_barrier): Use build_call_expr.
1267         (lower_rec_input_clauses): Likewise.
1268         (lower_reduction_clauses): Likewise.
1269         (expand_parallel_call): Likewise.
1270         (maybe_catch_exception): Likewise.
1271         (expand_omp_for_generic): Likewise.
1272         (expand_omp_for_static_nochunk): Likewise.
1273         (expand_omp_sections): Likewise.
1274         (lower_omp_single_simple): Likewise.
1275         (lower_omp_single_copy): Likewise.
1276         (lower_omp_master): Likewise.
1277         (lower_omp_ordered): Likewise.
1278         (lower_omp_critical): Likewise.
1280         * ipa-reference.c (check-call): Use new CALL_EXPR iterator.
1281         (scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR.
1283         * tree-gimple.c (is_gimple_call_addr): Fix doc.
1284         (recalculate_side_effects): Use TREE_OPERAND_LENGTH instead of
1285         TREE_CODE_LENGTH.  Add tcc_vl_exp case.
1287         * tree-chrec.c (chrec_contains_symbols): Use TREE_OPERAND_LENGTH
1288         and generalize to handle any number of operands.
1289         (chrec_contains_undetermined): Likewise.
1290         (tree_contains_chrecs): Likewise.
1291         (evolution_function_is_invariant_rec_p): Use TREE_OPERAND_LENGTH.
1293         * cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors.
1295         * tree-ssa-ccp.c (ccp_fold): Use new CALL_EXPR accessors.  Use
1296         fold_call_expr instead of fold_builtin.
1297         (ccp_fold_builtin): Likewise.  Update calls into builtins.c to
1298         match declarations there.
1299         (fold_stmt): Use new CALL_EXPR constructor and accessors.  Doc
1300         updates.
1302         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use
1303         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1305         * ipa-pure-const.c (check_call): Use new CALL_EXPR accessors.
1306         (scan_function): Add case tcc_vl_exp for CALL_EXPR.
1308         * tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR
1309         accessors.
1311         * tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr.
1312         (execute_cse_sincos): Use new CALL_EXPR accessors.
1314         * tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator.
1316         * gimple-low.c (lower_function_body): Use build_call_expr.
1317         (lower_builtin_setjmp): Likewise.
1319         * expr.c (emit_block_move_via_libcall): Use build_call_expr.
1320         (set_storage_via_libcall): Likewise.
1321         (safe_from_p): Add tcc_vl_exp case.  Use TREE_OPERAND_LENGTH
1322         instead of TREE_CODE_LENGTH.
1323         (expand_expr_real_1): Use new CALL_EXPR accessors.
1325         * tree-browser.c (store_child_info): Use TREE_OPERAND_LENGTH and
1326         generalize to handle any number of operands.
1327         (TB_parent_eq): Likewise.
1329         * predict.c (expr_expected_value): Use new CALL_EXPR accessors.
1330         (strip_builtin_expect): Likewise.
1332         * function.c (gimplify_parameters): Use build_call_expr.
1334         * tree-vectorizer.c (vect_is_simple_reduction): Use TREE_OPERAND_LENGTH
1335         instead of TREE_CODE_LENGTH.
1337         * ipa-type-escape.c (check_call): Use new CALL_EXPR iterators.
1338         (scan_for_refs): Add case tcc_vl_exp for CALL_EXPR.
1340         * tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR
1341         iterators.
1343         * gimplify.c (build_stack_save_restore): Use build_call_expr.
1344         (gimplify_decl_expr): Likewise.
1345         (gimplify_call_expr): Use fold_call_expr instead of fold_builtin.
1346         Use new CALL_EXPR iterators.
1347         (gimplify_modify_expr_to_memcpy): Use build_call_expr.
1348         (gimplify_modify_expr_to_memset): Likewise.
1349         (gimplify_variable_sized_compare): Likewise.
1350         (gimplify_omp_atomic_fetch_op): Likewise.
1351         (gimplify_omp_atomic_pipeline): Likewise.
1352         (gimplify_omp_atomic_mutex): Likewise.
1353         (gimplify_function_tree): Likewise.
1355         * calls.c (alloca_call_p): Use new CALL_EXPR accessors.
1356         (call_expr_flags): Likewise.
1357         (expand_call): Likewise.
1359         * except.c (expand_builtin_eh_return_data_regno): Pass entire
1360         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
1361         accessors.
1363         * coverage.c (create_coverage): Use build_call_expr.
1365         * tree-ssa-pre.c (expression_node_pool, list_node_pool): Delete.
1366         (temp_call_expr_obstack): New.
1367         (pool_copy_list): Delete.
1368         (temp_copy_call_expr): New.
1369         (phi_translate): Add case tcc_vl_exp for CALL_EXPR.  Use new
1370         CALL_EXPR accessors.  Get rid of special goo for copying argument
1371         lists and use temp_copy_call_expr instead.
1372         (valid_in_sets): Add case tcc_vl_exp for CALL_EXPR.  Use new
1373         CALL_EXPR accessors.
1374         (create_expression_by_pieces): Likewise.  Use build_call_array
1375         to construct the result instead of fold_build3.
1376         (create_value_expr_from): Add tcc_vl_exp.  Delete special goo for
1377         dealing with argument lists.
1378         (init_pre): Remove references to expression_node_pool and
1379         list_node_pool.  Init temp_call_expr_obstack instead.
1380         (fini_pre): Remove references to expression_node_pool and
1381         list_node_pool.
1383         * tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors
1384         and walk arguments explicitly instead of as a list.
1386         * tree-mudflap.c (mf_build_check_statement_for): Use build_call_expr.
1387         (mx_register_decls): Likewise.
1388         (mudflap_register_call): Likewise.
1389         (mudflap_finish_file): Likewise.
1391         * ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors.
1392         (ipa_callsite_compute_param): Likewise.
1394         * tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR
1395         accessors and constructor.
1397         * tree-nested.c (convert_nl_goto_reference): Use new CALL_EXPR
1398         accessors and constructor.
1399         (convert_tramp_reference): Likewise.
1400         (convert_call_expr): Likewise.
1401         (finalize_nesting_tree_1): Likewise.
1403         * tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR
1404         accessors.
1406         * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr.
1408         * tree-inline.c (initialize_inlined_parameters): Pass entire
1409         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
1410         accessors.
1411         (estimate_num_insns_1): Use new CALL_EXPR accessors.
1412         (expand_call_inline): Tidy up call to initialize_inlined_parameters.
1414         * tree-vect-transform.c (vect_create_epilog_for_reduction):  Use
1415         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1416         (vectorizable_reduction): Likewise.
1417         (vectorizable_call): Use new CALL_EXPR iterators.
1418         (vectorizable_conversion): Use build_call_expr.
1419         (vectorizable_operation): Use TREE_OPERAND_LENGTH.
1420         (vect_gen_widened_results_half): Use build_call_expr.
1421         (vect_setup_realignment): Likewise.
1422         (vectorizable_live_operation): Use TREE_OPERAND_LENGTH.
1424         * tree-object-size.c (alloc_object_size): Use new CALL_EXPR accessors.
1425         (pass_through_call): Likewise.
1426         (compute_object_sizes): Likewise.  Use fold_call_expr instead of
1427         fold_builtin.
1429         * tree-profile.c (tree_gen_interval_profiler): Use build_call_expr.
1430         (tree_gen_pow2_profiler): Likewise.
1431         (tree_gen_one_value_profiler): Likewise.
1432         (tree_gen_ic_func_profiler): Likewise.
1433         (tree_gen_average_profiler): Likewise.
1434         (tree_gen_ior_profiler): Likewise.
1436         * tree-ssa-structalias.c (get_constraint_for): Add case tcc_vl_exp.
1437         (find_func_aliases): Use new CALL_EXPR accessors.  Add case
1438         tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1440         * tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead
1441         of TREE_CODE_LENGTH.
1443         * stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead
1444         of TREE_CODE_LENGTH.
1446         * convert.c (convert_to_real): Use new CALL_EXPR accessors and
1447         constructor.
1448         (convert_to_integer): Likewise.
1450         * tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR
1451         accessors.
1453 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
1454             Brooks Moses  <brooks.moses@codesourcery.com>
1455             Lee Millward  <lee.millward@codesourcery.com>
1457         * config/alpha/alpha.c (alpha_expand_builtin): Use new CALL_EXPR
1458         accessors.
1459         * config/frv/frv.c (frv_expand_builtin): Likewise.
1460         * config/s390/s390.c (s390_expand_builtin): Likewise.
1462         * config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr.
1463         (sparc_expand_builtin): Use new CALL_EXPR accessors.
1465         * config/i386/i386.c (ix86_function_ok_for_sibcall): Likewise.
1466         (ix86_expand_binop_builtin): Pass entire CALL_EXPR as parameter
1467         instead of arglist.  Use new CALL_EXPR accessors on it.  Fix callers.
1468         (ix86_expand_store_builtin): Likewise.
1469         (ix86_expand_unop_builtin): Likewise.
1470         (ix86_expand_unop1_builtin): Likewise.
1471         (ix86_expand_sse_compare): Likewise.
1472         (ix86_expand_sse_comi): Likewise.
1473         (ix86_expand_vec_init_builtin): Likewise.
1474         (ix86_expand_vec_ext_builtin): Likewise.
1475         (ix86_expand_vec_set_builtin): Likewise.
1476         (ix86_expand_builtin): Use new CALL_EXPR accessors.
1478         * config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors.
1479         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
1481         * config/iq2000/iq2000.c (expand_one_builtin): Pass entire CALL_EXPR
1482         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
1483         (iq2000_expand_builtin): Use new CALL_EXPR accessors.
1485         * config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Use
1486         build_call_expr.
1487         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
1488         (rs6000_expand_unop_builtin): Pass entire CALL_EXPR instead of
1489         arglist.  Use new CALL_EXPR accessors.  Fix callers.
1490         (altivec_expand_abs_builtin): Likewise.
1491         (rs6000_expand_binop_builtin): Likewise.
1492         (altivec_expand_predicate_builtin): Likewise.
1493         (altivec_expand_lv_builtin): Likewise.
1494         (spe_expand_stv_builtin): Likewise.
1495         (altivec_expand_stv_builtin): Likewise.
1496         (rs6000_expand_ternop_builtin): Likewise.
1497         (altivec_expand_ld_builtin): Use new CALL_EXPR accessors.
1498         (altivec_expand_st_builtin): Likewise.
1499         (altivec_expand_dst_builtin): Likewise.
1500         (altivec_expand_vec_init_builtin): Pass entire CALL_EXPR instead of
1501         arglist.  Use new CALL_EXPR accessors.  Fix callers.
1502         (altivec_expand_vec_set_builtin): Likewise.
1503         (altivec_expand_vec_ext_builtin): Likewise.
1504         (altivec_expand_builtin): Use new CALL_EXPR accessors.
1505         (spe_expand_builtin): Likewise.
1506         (spe_expand_predicate_builtin): Pass entire CALL_EXPR instead of
1507         arglist.  Use new CALL_EXPR accessors.  Fix callers.
1508         (spe_expand_evsel_builtin): Likewise.
1509         (rs6000_expand_builtin): Use new CALL_EXPR accessors.  VCFUX and
1510         FCFSX cases must construct whole new CALL_EXPR, not just arglist.
1512         * config/arm/arm.c (arm_expand_binop_builtin): Pass entire CALL_EXPR
1513         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
1514         (arm_expand_unop_builtin): Likewise.
1515         (arm_expand_builtin): Use new CALL_EXPR accessors.
1517         * config/mips/mips.c (mips_expand_builtin):  Use new CALL_EXPR
1518         accessors.
1520         * config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire CALL_EXPR
1521         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
1522         (bfin_expand_unop_builtin): Likewise.
1523         (bfin_expand_builtin): Use new CALL_EXPR accessors.
1525 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
1526             Brooks Moses  <brooks.moses@codesourcery.com>
1527             Lee Millward  <lee.millward@codesourcery.com>
1529         * c-semantics.c (build_stmt): Add internal diagnostic check.
1531         * c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR
1532         accessors.  Print arguments explicitly instead of as a list.
1534         * c-typeck.c (build_function_call): Use new CALL_EXPR constructors.
1536         * c-omp.c (c_finish_omp_barrier): Use build_call_expr.
1537         (c_finish_omp_flish): Likewise.
1539         * c-common.c (verify_tree): Use new CALL_EXPR accessors.  Traverse
1540         arguments explicitly instead of as a list.  Use TREE_OPERAND_LENGTH
1541         instead of TREE_CODE_LENGTH.
1542         (check_function_arguments_recurse): Use new CALL_EXPR accessors.
1543         (c_warn_unused_result): Likewise.
1545 2007-02-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1547         PR c/26494
1548         * doc/invoke.texi (Warning Options): Remove
1549         -Werror-implicit-function-declaration.
1550         (Wimplicit-function-declaration): Update description.
1551         * opts.c (common_handle_option): Move handling of -Werror=* to...
1552         (enable_warning_as_error): ...here.
1553         * opts.h (enable_warning_as_error): Declare.
1554         * c-decl.c (implicit_decl_warning): Unless
1555         -Wno-implicit-function-declaration is given, emit a pedwarn if
1556         -std=c99 or emit a warning if -Wimplicit-function-declaration.
1557         * c.opt (Wimplicit-function-declaration): Replace
1558         mesg_implicit_function_declaration with
1559         warn_implicit_function_declaration.
1560         * c-opts.c (c_common_handle_option):
1561         -Werror-implicit-function-declaration is exactly equal as
1562         -Werror=implicit-function-declaration.
1563         (set_Wimplicit): Replace mesg_implicit_function_declaration with
1564         warn_implicit_function_declaration.
1565         (c_common_post_options): -Wimplict-function-declaration is enabled
1566         by default by -std=c99, otherwise is disabled by default.
1567         * c-objc-common.c (c_objc_common_init): Remove flawed logic.
1569 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
1571         * gimplify.c (gimplify_modify_expr): During gimplification, attach a
1572         DECL on the rhs to a DECL on the lhs for debug info purposes if the
1573         former is ignored but not the latter.
1575 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
1577         * expr.c (expand_expr_real_1) <normal_inner_ref>: If a temporary
1578         is made and the reference doesn't use the alias set of its type,
1579         do not create the temporary using that type.
1581 2007-02-15  Aldy Hernandez  <aldyh@redhat.com>
1583         * jump.c: Remove prototypes for delete_computation and
1584         delete_prior_computation.
1586 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
1588         * jump.c (get_label_after): Delete.
1589         (get_label_before, delete_computation, delete_jump,
1590         delete_prior_computation, follow_jumps): Move...
1591         * reorg.c (delete_computation, delete_prior_computation): ... here...
1592         (get_label_before, delete_jump): ... making these static ...
1593         (follow_jumps): ... and simplifying this since it only runs after
1594         reload.
1595         * rtl.h (get_label_after, get_label_before, delete_jump,
1596         follow_jumps): Delete prototypes.
1598 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
1600         * caller-save.c (save_call_clobbered_regs): Do not process sibcalls.
1602 2007-02-15  Nick Clifton  <nickc@redhat.com>
1604         * varasm.c (default_asm_output_anchor): Prepend * to . symbol in
1605         order to prevent it from being munged by the target.
1607 2007-02-15  Uros Bizjak  <ubizjak@gmail.com>
1609         * config/i386/i386.md: Remove misleading comment.
1611 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1613         * config/frv/frv.md (reload_incc, reload_outcc, reload_incc_uns,
1614         reload_outcc_uns, reload_incc_nz, reload_outcc_nz): Remove
1615         invalid patterns.
1617 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1619         * tree-sra.c (instantiate_missing_elements): Canonicalize
1620         bit-field types.
1621         (sra_build_assignment): New.
1622         (generate_copy_inout, generate_element_copy,
1623         generate_element_zero, generate_one_element_init): Use it.
1625 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1627         * tree-sra.c (instantiate_missing_elements): Canonicalize
1628         bit-field types.
1629         (sra_build_assignment): New.
1630         (generate_copy_inout, generate_element_copy,
1631         generate_element_zero, generate_one_element_init): Use it.
1633 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1635         * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
1636         limbo die nodes.
1638 2007-02-14  Joseph Myers  <joseph@codesourcery.com>
1640         * emit-rtl.c (set_mem_attributes_minus_bitpos): Treat complex
1641         types as aggregates not scalars.
1642         * function.c (assign_stack_temp_for_type): Likewise.
1644 2007-02-14  Roger Sayle  <roger@eyesopen.com>
1645             Zdenek Dvorak  <dvorakz@suse.cz>
1647         * tree-dump.c (dump_switch_p_1): Require exact match of the option
1648         name.
1650 2007-02-14  Zdenek Dvorak  <dvorakz@suse.cz>
1652         * passes.c (next_pass_1): Clear the next field of the copied
1653         pass structure.
1655 2007-02-14  Richard Henderson  <rth@redhat.com>
1657         * tree-sra.c (early_sra): New.
1658         (decl_can_be_decomposed_p): Deny va_list if early_sra.
1659         (tree_sra_early, pass_sra_early): New.
1660         * tree-pass.h (pass_sra_early): Declare.
1661         * passes.c (init_optimization_passes): Use it.
1663 2007-02-14  Richard Guenther  <rguenther@suse.de>
1665         * flags.h (issue_strict_overflow_warning): Convert to a macro.
1667 2007-02-14  Dorit Nuzman  <dorit@il.ibm.com>
1669          PR tree-optimization/30771
1670         * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse
1671         also phi nodes.
1672         (vect_analyze_operations): Induction phis can now be marked as
1673         used_in_loop.
1674         (vect_mark_stmts_to_be_vectorized): No special treatment for phis.
1675         Update documentation accordingly.
1677 2007-02-14  Nick Clifton  <nickc@redhat.com>
1679         * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at
1680         most 3 arguments are supported.
1681         (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description.
1683 2007-02-13  Seongbae Park <seongbae.park@gmail.com>
1685         * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor):
1686         Ensure dst->current is valid.
1688 2007-02-13  Paul Brook  <paul@codesourcery.com>
1690         * config.gcc: Add arm*-*-uclinux-*eabi.
1691         * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define.
1692         (SUBTARGET_EXTRA_LINK_SPEC): Define.
1693         (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling.
1694         (LINK_GCC_C_SEQUENCE_SPEC): Undef.
1695         (LINK_SPEC): Define.
1696         (LIB_SPEC): Define.
1697         * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC
1698         register.
1699         * config/arm/uclinux-eabi.h: New file.
1700         * config/arm/linux-eabi.h (WCHAR_TYPE): Remove.
1701         * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS
1702         based targets.
1704 2007-02-13  Ian Lance Taylor  <iant@google.com>
1706         * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
1707         * flags.h (warn_strict_overflow): Declare.
1708         (enum warn_strict_overflow_code): Define.
1709         (issue_strict_overflow_warning): New static inline function.
1710         * opts.c (warn_strict_overflow): New variable.
1711         (common_handle_option): Handle OPT_Wstrict_overflow and
1712         OPT_Wstrict_overflow_.
1713         * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
1714         OPT_Wall.
1715         * fold-const.c: Include intl.h.
1716         (fold_deferring_overflow_warnings): New static variable.
1717         (fold_deferred_overflow_warning): New static variable.
1718         (fold_deferred_overflow_code): New static variable.
1719         (fold_defer_overflow_warnings): New function.
1720         (fold_undefer_overflow_warnings): New function.
1721         (fold_undefer_and_ignore_overflow_warnings): New function.
1722         (fold_deferring_overflow_warnings_p): New function.
1723         (fold_overflow_warning): New static function.
1724         (make_range): Add strict_overflow_p parameter.  Change all
1725         callers.
1726         (extract_muldiv, extract_muldiv_1): Likewise.
1727         (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
1728         tree_expr_nonnegative_p.
1729         (fold_negate_expr): Call fold_overflow_warning.
1730         (fold_range_test): Likewise.
1731         (fold_comparison): Likewise.
1732         (fold_binary): Likewise.  Call tree_expr_nonnegative_warnv_p
1733         instead of tree_expr_nonnegative_p.
1734         (tree_expr_nonnegative_warnv_p): Rename from
1735         tree_expr_nonnegative_p, add strict_overflow_p parameter.
1736         (tree_expr_nonnegative_p): New function.
1737         (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
1738         strict_overflow_p parameter.
1739         (tree_expr_nonzero_p): New function.
1740         * passes.c (verify_interpass_invariants): New static function.
1741         (execute_one_pass): Call it.
1742         * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
1743         warnings.
1744         (number_of_iterations_exit, loop_niter_by_eval): Likewise.
1745         (estimate_numbers_of_iterations): Likewise.
1746         (scev_probably_wraps_p): Likewise.
1747         * tree-ssa-ccp.c: Include "toplev.h".
1748         (evaluate_stmt): Defer fold overflow warnings until we know we are
1749         going to optimize.
1750         (struct fold_stmt_r_data): Add stmt field.
1751         (fold_stmt_r): Defer fold overflow warnings until we know we
1752         optimized.
1753         (fold_stmt): Initialize stmt field of fold_stmt_r_data.
1754         (fold_stmt_inplace): Likewise.
1755         * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
1756         (cleanup_control_expr_graph): Defer fold overflow warnings until
1757         we know we are going to optimize.
1758         * tree-cfg.c (fold_cond_expr_cond): Likewise.
1759         * tree-ssa-threadedge.c (simplify_control_stmt_condition):
1760         Likewise.
1761         * tree-vrp.c (vrp_expr_computes_nonnegative): Call
1762         tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
1763         * tree-ssa-loop-manip.c (create_iv): Likewise.
1764         * c-typeck.c (build_conditional_expr): Likewise.
1765         (build_binary_op): Likewise.
1766         * tree-vrp.c (vrp_expr_computes_nonzero): Call
1767         tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
1768         (extract_range_from_unary_expr): Likewise.
1769         * simplify-rtx.c (simplify_const_relational_operation): Warn when
1770         assuming that signed overflow does not occur.
1771         * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
1772         * tree.h (tree_expr_nonnegative_warnv_p): Declare.
1773         (fold_defer_overflow_warnings): Declare.
1774         (fold_undefer_overflow_warnings): Declare.
1775         (fold_undefer_and_ignore_overflow_warnings): Declare.
1776         (fold_deferring_overflow_warnings_p): Declare.
1777         (tree_expr_nonzero_warnv_p): Declare.
1778         * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
1779         of warning options.
1780         (Warning Options): Document -Wstrict-overflow.
1781         * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
1782         (tree-ssa-ccp.o): Likewise.
1783         (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
1784         (fold-const.o): Depend on intl.h.
1786 2007-02-13  Ian Lance Taylor  <iant@google.com>
1788         PR middle-end/30751
1789         * lower-subreg.c (resolve_simple_move): Decompose subregs in
1790         addresses.
1792 2007-02-13  Stuart Hastings  <stuart@apple.com>
1794         * gcc/config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
1796 2007-02-13  Richard Henderson  <rth@redhat.com>
1798         * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
1799         handled_component_p before looking for the indirect_ref.
1801 2007-02-13  Richard Henderson  <rth@redhat.com>
1803         * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
1804         remove flags clobber.
1805         (bswapsi2): New expander, emit code for !TARGET_BSWAP.
1806         (bswaphi_lowpart): New.
1807         (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
1808         remove TARGET_BSWAP test.  Delete expander of the same name.
1810         * optabs.c (widen_bswap, expand_doubleword_bswap): New.
1811         (expand_unop): Use them.
1813 2007-02-13  Uros Bizjak  <ubizjak@gmail.com>
1815         * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1,
1816         *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
1817         *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
1818         *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
1819         *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
1820         *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
1821         *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
1822         assembler dialect choice from asm templates.
1824 2007-02-12  Richard Henderson  <rth@redhat.com>
1826         * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
1827         (fixuns_trunc<SSEMODEF>si2): Use it.
1828         * config/i386/sse.md (vec_setv4sf_0): Export.
1829         * config/i386/i386.c (ix86_build_const_vector): Export.
1830         (ix86_split_convert_uns_si_sse): Rename from
1831         ix86_expand_convert_uns_si_sse and rewrite as a splitter.
1832         * config/i386/i386-protos.h: Update.
1834 2007-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1836         PR c/29521
1837         * c-typeck.c (c_finish_return): Improve warning message.
1839 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1841         * alias.c (find_symbolic_term): Delete unused function.
1843 2007-02-12  Uros Bizjak  <ubizjak@gmail.com>
1845         * config/i386/i386.md (paritydi2, paritysi2): New expanders.
1846         (paritydi2_cmp, paritydi2_cmp): New insn and split patterns.
1847         (*parityhi2_cmp, *parityqi2_cmp): New insn patterns.
1849 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
1851         * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
1852         * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
1853         the function, temporarily point the debug interface to the null one.
1855 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
1857         * dwarf2out.c (round_up_to_align): New static function.
1858         (field_byte_offset): Use it to round the offset.
1860 2007-02-12  Richard Henderson  <rth@redhat.com>
1862         * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
1863         (inswl_const): Export.
1865 2007-02-12  Richard Henderson  <rth@redhat.com>
1867         * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
1868         result mode of the libcall, convert back to outmode.
1870 2007-02-12  Roger Sayle  <roger@eyesopen.com>
1872         * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
1873         (bswapdi2): New define_expand to implement 32-bit implementation.
1875 2007-02-12  Nick Clifton  <nickc@redhat.com>
1877         * doc/invoke.texi (Overall Options): Document --help=.
1878         * gcc.c (target_help_flag): Rename to print_subprocess_flag.
1879         (cc1_options): Pass --help= on to cc1.
1880         (display_help): Add description of --help=.
1881         (process_command): Add code to handle --help=.  Allow translated
1882         --help and --target-help switches to be passed on to compiler
1883         sub-process.
1884         (main): Remove unused if statement.
1885         * opts.c (columns): Remove.
1886         (LEFT_COLUMN): Define.
1887         (wrap_help): Add columns argument.
1888         (print_filtered_help): Change parameters to be an include bitmask,
1889         an exclude bitmask, an any bitmask and the column width.  Move the
1890         code to display the params list here.  Add code to display the
1891         status of options rather than their descriptions if the quiet flag
1892         is not active.
1893         (print_specific_help): Change parameters to be an include bitmask,
1894         an exclude bitmask and an any bitmask.  Move code to look up the
1895         column width here.  Decide upon the title for an options listing.
1896         (common_handle_options): Add code to handle --help=.  Adapt code
1897         for --help and --target-help to use the revised form of the
1898         print_specific_help function.
1899         (print_help): Delete.
1900         (print_param_help): Delete.
1901         (print_switch): Delete.
1902         * opts.h (cl_lang_count): Add prototype.
1903         (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
1904         CL_MAX_OPTION_CLASS): New defines.
1905         * optc-gen.awk: Add construction of cl_lang_count.
1906         * c.opt: Add Warning attribute to warning options and Optimization
1907         attribute to optimization options.
1908         * common.opt: Likewise.
1909         Add --help=.
1910         Add -fhelp and -ftarget-help as aliases for the transformed --help
1911         and --target-help options.
1912         * opt-functions.awk: Add code to handle Warning and Optimization
1913         attributes.
1915 2007-02-12  Richard Henderson  <rth@redhat.com>
1917         * config/alpha/constraints.md: New file.
1918         * config/alpha/alpha.c: Include tm-constrs.h.
1919         (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
1920         alpha_extra_constraint): Remove.
1921         (alpha_emit_conditional_branch): Use satisfies_constraint_*.
1922         * config/alpha/alpha-protos.h: Update.
1923         * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
1924         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
1925         (EXTRA_CONSTRAINT): Remove.
1926         * config/alpha/alpha.md: Include constraints.md.
1927         (adddi splitter): Use satisfies_constraint_*.
1928         * config/alpha/predicates.md (add_operand): Likewise.
1929         (sext_add_operand, addition_operation): Likewise.
1931 2007-02-12  Dorit Nuzman  <dorit@il.ibm.com>
1933         PR tree-optimization/29145
1934         * tree-data-ref.c (base_addr_differ_p): Make us more conservative
1935         in our handling of restrict qualified pointers.
1937 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1939         PR middle-end/7651
1940         * doc/invoke.texi (Wunused-value): Update description.
1941         (Wextra): Delete item.
1942         * opts.c (set_Wextra): Don't use the value of Wextra to set the
1943         value of Wunused-value.
1944         * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
1945         (c_finish_stmt_expr): Don't check extra_warnings.
1946         (emit_side_effect_warnings): The caller is responsible to check
1947         warn_unused_value.
1949 2007-02-11  Roger Sayle  <roger@eyesopen.com>
1950             Matt Thomas  <matt@3am-software.com>
1952         * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
1954 2007-02-11  Roger Sayle  <roger@eyesopen.com>
1956         * simplify-rtx.c (simplify_relational_operation_1): Optimize
1957         comparisons of POPCOUNT against zero.
1958         (simplify_const_relational_operation): Likewise.
1960 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1962         * doc/invoke.texi (Wextra): Delete outdated paragraph.
1964 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1966         * dwarf2out.c (root_type): Delete unused function.
1968 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1970         * genattrtab.c (contained_in_p): Delete unused function.
1971         (write_expr_attr_cache): Likewise.
1973 2007-02-11  Jan Hubicka  <jh@suse.cz>
1975         * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
1976         previous patch.
1978 2007-02-11  Steven Bosscher  <steven@gcc.gnu.org>
1980         * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
1981         to add the REG_EQ* note.
1982         * see.c (see_merge_one_use_extension): Likewise.
1983         * local-alloc.c (update_equiv_regs): Likewise.  Also don't
1984         turn REG_EQUAL notes into REG_EQUIV notes if the target
1985         register may have more than one set.
1986         * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
1987         * gcse.c (try_replace_reg): Likewise.
1988         * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
1989         * calls.c (fixup_tail_calls): Likewise.  Abort if there is
1990         more than one REG_EQUIV note.
1991         * reload1.c (gen_reload): Use set_unique_reg_note.
1993 2007-02-11  Uros Bizjak  <ubizjak@gmail.com>
1995         * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
1996         (ix86_builtin_conversion): New function.
1998 2007-02-06  Mark Mitchell  <mark@codesourcery.com>
2000         PR target/29487
2001         * tree.h (DECL_REPLACEABLE_P): New macro.
2002         * except.c (set_nothrow_function_flags): Likewise.
2004 2007-02-11  Tehila Meyzels  <tehila@il.ibm.com>
2005             Ira Rosen  <irar@il.ibm.com>
2006             Dorit Nuzman  <dorit@il.ibm.com>
2008         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
2009         * targhooks.c (default_builtin_vectorized_conversion): New.
2010         * targhooks.h (default_builtin_vectorized_function): New declaration.
2011         * target.h (struct vectorize): Add builtin_conversion field.
2012         * tree-vectorizer.h (type_conversion_vec_info_type): New enum
2013         stmt_vec_info_type value.
2014         (vectorizable_conversion): New declaration.
2015         * tree-vect-analyze.c (vect_analyze_operations): Add
2016         vectorizable_conversion call.
2017         * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
2018         * tree-vect-transform.c (vectorizable_conversion): New function.
2019         (vect_transform_stmt): Add case for type_conversion_vec_info_type.
2020         * tree-vect-generic.c (expand_vector_operations_1): Consider correct
2021         mode.
2022         * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
2023         (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
2024         (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX
2025         or ALTIVEC_BUILTIN_VCFSX.
2027 2007-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2029         PR target/30634
2030         * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
2031         CONST_DOUBLE and operand 0 is a hard register.
2032         (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
2033         memory.  Fail if operand 1 is a non-zero CONST_INT and operand 0
2034         is a hard floating-point register.
2036 2007-02-10  Richard Henderson  <rth@redhat.com>
2037             Jakub Jelinek  <jakub@redhat.com>
2038             Alexandre Oliva  <aoliva@redhat.com>
2040         * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
2041         * builtin-types.def (BT_WORD): Make unsigned.
2042         (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
2043         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
2044         (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
2045         * c-decl.c (grokdeclarator): Don't error if !have_tls.
2046         * c-parser.c (c_parser_omp_threadprivate): Likewise.
2047         * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
2048         emulated tls.
2049         * expr.c (emutls_var_address): New.
2050         (expand_expr_real_1): Expand emulated tls.
2051         (expand_expr_addr_expr_1): Likewise.
2052         * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
2053         * output.h (emutls_finish): Declare.
2054         * toplev.c (compile_file): Call it.
2055         * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
2056         address before wrapping in CONST.
2057         * varasm.c (emutls_htab, emutls_object_type): New.
2058         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
2059         (get_emutls_object_name, get_emutls_object_type): New.
2060         (get_emutls_init_templ_addr, emutls_decl): New.
2061         (emutls_common_1, emutls_finish): New.
2062         (assemble_variable): When emulating tls, swap decls; generate
2063         constructor for the emutls objects.
2064         (do_assemble_alias): When emulating tls, swap decl and target name.
2065         (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
2066         for emulated tls.
2067         * varpool.c (decide_is_variable_needed): Look at force_output.
2068         Recurse for emulated tls.
2069         (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
2070         with decide_is_variable_needed.
2071         * emutls.c: New file.
2072         * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
2073         tls_object for real tls.
2075 2007-02-10  Kaz Kojima  <kkojima@gcc.gnu.org>
2077         PR rtl-optimization/29599
2078         * reload1.c (eliminate_regs_in_insn): Take the destination
2079         mode into account when computing the offset.
2081 2007-02-09  Stuart Hastings  <stuart@apple.com>
2082             Richard Henderson  <rth@redhat.com>
2084         * gcc/config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
2085         * gcc/config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
2086         * gcc/config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
2087         fixuns_truncdfhi2): New.
2088         (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
2089         (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
2090         (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
2091         (floatunssidf2): Allow nonimmediate source.
2092         * gcc/config/i386/sse.md (movdi_to_sse): New.
2093         (vec_concatv2di): Drop '*'.
2094         * gcc/config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
2095         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
2096         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
2097         New.
2098         * gcc/config/i386/i386.c (ix86_expand_convert_uns_si_sse,
2099         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
2100         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
2101         ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
2102         (ix86_build_signbit_mask): Fix decl of v, refactor to call
2103         ix86_build_const_vector.
2104         (x86_emit_floatuns): Rewrite.
2106 2007-02-10  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2108         * genautomata.c (longest_path_length): Delete unused function.
2109         (struct state): Delete unused longest_path_length.
2110         (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
2111         (get_free_state): Delete unused.
2113 2007-02-09  Jan Hubicka  <jh@suse.cz>
2115         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
2116         * doc/invoke.texi (inline-unit-growth): Update default value.
2118         * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
2119         * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
2120         (rebuild_cgraph_edges): Likewise.
2121         * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
2122         (dump_cgraph_node): Dump frequencies.
2123         (cgraph_clone_edge): Add frequency scales.
2124         (cgraph_clone_node): Add freuqnecy.
2125         * cgraph.h (cgraph_edge): Add freuqnecy argument.
2126         (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
2127         (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
2128         * tree-pass.h (TODO_rebuild_frequencies): New constant.
2129         * cgraphunit.c (verify_cgraph_node): Verify frequencies.
2130         (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
2131         (save_inline_function_body): Likewise.
2132         * ipa-inline.c: inluce rtl.h
2133         (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
2134         (cgraph_edge_badness): Use frequencies.
2135         (cgraph_decide_recursive_inlining): Update clonning.
2136         (cgraph_decide_inlining_of_small_function): Dump frequency.
2137         * predict.c (estimate_bb_frequencies): Export.
2138         * predict.h (estimate_bb_frequencies): Declare.
2139         * tree-inline.c (copy_bb): Watch overflows.
2140         (expand_call_inline): Update call of cgraph_create_edge.
2141         (optimize_inline_calls): Use TODO flags to update frequnecies.
2142         * passes.h: Include predict.h
2143         (init_optimization_passes): Move profile ahead.
2144         (execute_function_todo): Handle TODO_rebuild_frequencies.
2146 2007-02-09  Roger Sayle  <roger@eyesopen.com>
2148         * config/alpha/alpha.c (emit_insxl): Force the first operand of
2149         the insbl or inswl pattern into a register.
2151 2007-02-09  Roger Sayle  <roger@eyesopen.com>
2153         * config/ia64/ia64.md (bswapdi2): New define_insn.
2155 2007-02-09  Richard Henderson  <rth@redhat.com>
2157         * config/i386/constraints.md (Ym): New constraint.
2158         * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
2159         (movdi_1_rex64): Split sse and xmm general register moves from
2160         memory move alternatives.  Use conditional register constraints.
2161         (movsf_1, movdf_integer): Likewise.
2162         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
2163         (movdf_integer_rex64): New.
2164         (pushsf_rex64): Fix output constraints.
2165         * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
2166         (sse2_stored): Likewise.
2167         (sse2_storeq_rex64): New.
2168         * config/i386/i386.c (x86_inter_unit_moves): Enable for not
2169         amd and not generic.
2170         (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
2171         for optimize_size.  Remove SF/DFmode hack.
2173 2007-02-09  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
2175         * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
2176         (bit_SSE4a): New.
2178 2007-02-09  Nathan Sidwell  <nathan@codesourcery.com>
2179             Richard Sandiford  <richard@codesourcery.com>
2181         * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
2182         (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
2183         (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
2184         m68k/t-mlib to tmake_file.
2185         (m68020-*-elf*, m68k-*-elf*): Likewise.  Add t-m68kbare as well.
2186         (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
2187         (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
2188         Allow it to be cf or m68k.  Set m68k_arch_family.  If that
2189         variable is not empty, add t-$m68k_arch_family to tmake_file.
2190         Add t-mlibs to tmake_file.
2191         * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
2192         * config/m68k/t-cf: New file.
2193         * config/m68k/t-m68k: Likewise.
2194         * config/m68k/t-mlibs: Likewise.
2195         * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
2196         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
2197         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
2198         * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
2199         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
2200         Delete.
2201         * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
2202         (INSTALL_LIBGCC): Delete.
2203         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
2204         * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
2205         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
2206         (M68K_MLIB_CPU): Define.
2207         * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
2208         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
2209         (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
2211 2007-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
2212             Richard Guenther  <rguenther@suse.de>
2214         PR middle-end/23361
2215         * fold-const.c (fold_comparison): Handle obfuscated comparisons
2216         against INT_MIN/INT_MAX.
2217         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
2218         file if a loop is removed.
2220 2007-02-09  Joseph Myers  <joseph@codesourcery.com>
2222         * calls.c (store_one_arg): Pass correct alignment to
2223         emit_push_insn for non-BLKmode values.
2224         * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
2225         unaligned stack slot via a suitably aligned slot.
2227 2007-02-08  DJ Delorie  <dj@redhat.com>
2229         * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
2230         warnings.
2231         (legal_subregs): Use unsigned char, make const.
2232         (m32c_illegal_subreg_p): Use ARRAY_SIZE.  Delete unused variables.
2234 2007-02-08  Paul Brook  <paul@codesourcery.com>
2236         * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
2237         special interworking needed.
2239 2007-02-08  Harsha Jagasia  <harsha.jagasia@amd.com>
2241         * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
2242         conditional to __SSE2__.
2243         (Entries below should have been added to first ChangeLog
2244         entry for amdfam10 dated 2007-02-05)
2245         * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
2246         defined.
2247         * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
2248         defined.
2249         * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
2250         defined.
2252 2007-02-08  DJ Delorie  <dj@redhat.com>
2254         * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
2255         * config/m32c/m32c.c (legal_subregs): New.
2256         (m32c_illegal_subreg_p): New.
2257         * config/m32c/predicates.md (m32c_any_operand): Use it to reject
2258         unsupported subregs of hard regs.
2260 2007-02-08  Jan Hubicka  <jh@suse.cz>
2262         * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
2263         the same one; always update histograms.
2265 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
2267         * passes.c (init_optimization_passes): Tidy comment.
2269 2007-02-08  Roger Sayle  <roger@eyesopen.com>
2271         * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
2272         strip zero_extend, bswap and rotates from POCOUNT's argument.
2273         <PARITY>: Likewise, we can strip not, bswap, sign_extend,
2274         zero_extend and rotates from PARITY's argument.
2275         <BSWAP>: A byte-swap followed by a byte-swap is an identity.
2276         (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
2277         of an integer constant at compile-time.
2279 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
2281         PR 30562
2282         * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
2283         Update all users.
2284         * tree-ssa-alias.c (compute_is_aliased): Remove.  Update all
2285         users.
2286         (init_alias_info):
2287         * tree-ssa-live.c (remove_unused_locals): Do not remove
2288         TREE_ADDRESSABLE variables.
2289         * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
2290         * tree-ssa-operands.c (add_virtual_operand): Remove argument
2291         FOR_CLOBBER.  Update all users.
2292         If VAR has an associated alias set, add a virtual operand for
2293         it if no alias is found to conflict with the memory reference.
2295 2007-02-07  Jan Hubicka  <jh@suse.cz>
2296             Robert Kidd <rkidd@crhc.uiuc.edu>
2298         * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
2300 2007-02-07  Ian Lance Taylor  <iant@google.com>
2302         * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
2304 2007-02-07  Roger Sayle  <roger@eyesopen.com>
2306         * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
2307         parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
2308         tablejumpdi, movsi_to_cr_one): Remove constraints from
2309         define_expand's match_operands.
2311 2007-02-07  Roger Sayle  <roger@eyesopen.com>
2313         * global.c (compute_regsets): Move declatation of "i" inside of
2314         #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
2316 2007-02-07  Jakub Jelinek  <jakub@redhat.com>
2318         PR c++/30703
2319         * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
2320         of INDIRECT_REF <RESULT_DECL>.
2322         * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
2324 2007-02-06  J"orn Rennecke  <joern.rennecke@arc.com>
2325             Kaz Kojima  <kkojima@gcc.gnu.org>
2327         PR target/29746
2328         * config/sh/sh.c (expand_cbranchdi4): Use scratch register
2329         properly.
2330         (sh_initialize_trampoline): Add parentheses to avoid a warning.
2332 2007-02-06  Zdenek Dvorak <dvorakz@suse.cz>
2334         * doc/loop.texi: Document possibility not to perform disambiguation
2335         of loops with multiple latches.
2336         * cfgloopmanip.c (alp_enum_p): Removed.
2337         (add_loop): Handle subloops.  Use get_loop_body_with_size.
2338         (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
2339         * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
2340         the new forwarder block.
2341         (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
2342         Handle the case latch is NULL.
2343         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg modifications
2344         when marking loop exits.
2345         * ifcvt.c (if_convert): Ditto.  Mark loop exits even if cfg cannot
2346         be modified.
2347         * loop-init.c (loop_optimizer_init): Do not modify cfg.  Call
2348         disambiguate_loops_with_multiple_latches.
2349         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
2350         before fix_loop_structure.
2351         * cfgloop.c: Include pointer-set.h and output.h.
2352         (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
2353         update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
2354         (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
2355         find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
2356         mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
2357         disambiguate_multiple_latches, get_loop_body_with_size,
2358         disambiguate_loops_with_multiple_latches): New functions.
2359         (flow_loop_dump): Dump multiple latch edges.
2360         (flow_loop_nodes_find): Handle loops with multiple latches.
2361         (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
2362         (glb_enum_p): Modified.
2363         (get_loop_body): Use get_loop_body_with_size.
2364         * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
2365         (AVOID_CFG_MODIFICATIONS): New constant.
2366         (disambiguate_loops_with_multiple_latches, add_loop,
2367         get_loop_body_with_size): Declare.
2368         * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
2370 2007-02-06  Seongbae Park <seongbae.park@gmail.com>
2372         PR inline-asm/28686
2373         * global.c (compute_regsets): New function.
2374         (global_alloc): Refactored ELIMINABLE_REGSET
2375         and NO_GLOBAL_ALLOC_REGS computation out.
2376         (rest_of_handle_global_alloc): Call compute_regsets()
2377         for non-optimizing case.
2379 2007-02-06  Richard Henderson  <rth@redhat.com>
2381         * config/i386/constraints.md (Y2): Rename from Y.
2382         (Yi): New constraint.
2383         * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
2384         pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
2385         zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
2386         (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
2387         truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
2388         fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
2389         floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed,
2390         absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
2391         fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
2392         * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
2393         mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
2394         vec_extractv2si_1): Change Y constraints to Y2.
2395         * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
2396         vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
2397         Change Y constraints to Y2.
2398         (sse2_loadld): Change Y constraints to x.
2400 2007-02-06  Roger Sayle  <roger@eyesopen.com>
2402         * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
2403         (parity<mode>2): New define_expand using rs6000_emit_parity.
2404         * config/rs6000/rs6000.c (rs6000_emit_popcount,
2405         rs6000_emit_parity): New functions.
2406         * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
2407         rs6000_emit_parity): Prototype here.
2409 2007-02-06  Ian Lance Taylor  <iant@google.com>
2411         * lower-subreg.c (simple_move_operand): Reject CONST.
2412         (resolve_clobber): Call validate_change rather than directly
2413         assigning to XEXP (pat, 0).
2415 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
2417         * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
2418         (tree-ssa-reassoc.o): Add pointer-set.h dependency.
2419         (tree-cfg.o): Remove hashtab.h dependency.
2421         * tree-ssa-loop-ivopts.c: Include pointer-set.h.
2422         (struct ivopts_data): Change niters to pointer_map_t.
2423         (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
2424         (niter_for_exit): Create pointer_map on demand.  Change for
2425         pointer_map API.
2426         (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
2427         (free_loop_data): Destroy data->niters if created and reset field.
2428         (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
2429         (tree_ssa_iv_optimize_loop): Check for presence of stale data.
2431         * tree-ssa-reassoc.c: Include pointer-set.h.
2432         (bb_rank): Change to long *.
2433         (operand_rank): Change to pointer_map_t.
2434         (find_operand_rank): Return long, -1 if not found.  Declare as inline.
2435         (insert_operand_rank): Accept long.
2436         (operand_entry_hash, operand_entry_eq): Remove.
2437         (get_rank): Return long.  Adjust for changes above.
2438         (init_reassoc): Change rank type to long.  Adjust creation of bb_rank
2439         and operand_rank.
2440         (fini_reassoc): Delete operand_rank with pointer_map_destroy.
2442         * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
2443         (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
2444         (insert_vi_for_tree): Rewrite for pointer_map API.  Assert argument
2445         is not NULL.
2446         (lookup_vi_for_tree): Rewrite for pointer_map API.  Return varinfo_t
2447         directly since it cannot be NULL.
2448         (get_vi_for_tree): Rewrite for pointer_map API.
2449         (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
2450         (init_alias_vars): Create vi_for_tree as pointer_map.
2451         (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
2453         * tree-cfg.c: Don't include hashtab.h.
2454         (edge_to_cases): Declare as pointer_map.
2455         (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
2456         Delete.
2457         (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
2458         (start_recording_case_labels): Create edge_to_cases as pointer_map.
2459         (end_recoding_case_labels): Cleanup edge_to_cases manually before
2460         destroying it.
2461         (record_switch_edge): Delete.
2462         (get_cases_for_edge): Adjust for pointer_map API, inline
2463         record_switch_edge (rewritten for new API), remove goto.
2465 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
2467         * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
2468         * tree-nested.c: Include pointer-set.h.
2469         (var_map_elt, var_map_eq, var_map_hash): Delete.
2470         (struct nesting_info): Remove GTY marker.  Change the two htab_t's
2471         to pointer_map_t's.
2472         (nesting_info_bitmap_obstack): New.
2473         (lookup_field_for_decl): Adjust for pointer_map API.
2474         (lookup_tramp_for_decl): Adjust for pointer_map API.
2475         (get_nonlocal_debug_decl): Adjust for pointer_map API.
2476         (get_local_debug_decl): Adjust for pointer_map API.
2477         (convert_nl_goto_reference): Adjust for pointer_map API.
2478         (convert_nl_goto_receiver): Adjust for pointer_map API.
2479         (create_nesting_tree): Create outside GGC space.  Create bitmap on
2480         the new obstack.  Create field_map and var_map as pointer_maps.
2481         (free_nesting_tree): Adjust for changes to create_nesting_tree.
2482         (root): Delete.
2483         (lower_nested_functions): Move root here, no need to NULL it.
2484         Initialize and release the obstack.
2486 2007-02-06  Paolo Bonzini  <bonzini@gnu.org>
2488         * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
2489         Remove prototypes and make them non-static.
2490         (struct tree_int_map): Remove.
2491         * tree.h (struct tree_int_map): Move here, turning TO into an
2492         unsigned int.
2493         (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
2495         * tree.h (TREE_COMPLEXITY): Remove.
2496         (struct tree_exp): Remove complexity field.
2497         * tree.c (build1_stat): Don't set it.
2499 2007-02-06  Dorit Nuzman  <dorit@il.ibm.com>
2500             Victor Kaplansky  <victork@il.ibm.com>
2502         * tree-vectorizer.c (vect_is_simple_use): Support induction.
2503         (vect_is_simple_reduction): Support reduction with induction as
2504         one of the operands.
2505         (vect_is_simple_iv_evolution): Fix formatting.
2506         * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix
2507         formatting.  Don't mark induction phis for vectorization.
2508         (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
2509         * tree-vect-transform.c (get_initial_def_for_induction): New function.
2510         (vect_get_vec_def_for_operand): Support induction.
2511         (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
2512         induction case.
2513         (vectorizable_reduction): Support reduction with induction as one of
2514         the operands.
2515         (vectorizable_type_demotion): Use def-type of stmt argument rather
2516         than dummy def-type.
2518         * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
2519         flag_tree_scev_cprop.
2520         * common.opt (tree-scev-cprop): New flag.
2522         * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
2523         call to vect_get_new_vect_var.
2525 2007-02-06  Ira Rosen  <irar@il.ibm.com>
2527         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that
2528         vectype is not NULL.
2529         (vect_pattern_recog_1): Likewise.
2531 2007-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2533         * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
2534         (fold_negate_expr): Likewise.
2536 2007-02-05  Alexandre Oliva  <aoliva@redhat.com>
2538         PR debug/30189
2539         * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
2540         even if cv-qualification is the same.
2542 2007-02-05  Geoffrey Keating  <geoffk@apple.com>
2544         * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
2545         __enable_execute_stack on completion.
2547 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2549         * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
2550         athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
2551         athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
2552         athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
2553         athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
2554         athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
2555         athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
2556         athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
2558 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2560         * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
2561         cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
2562         swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
2563         fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
2564         x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
2565         floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
2566         floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
2567         mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
2568         umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
2569         umuldi3_highpart_rex64, umulsi3_highpart_insn,
2570         umulsi3_highpart_zext, smuldi3_highpart_rex64,
2571         smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
2572         x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
2573         sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
2574         sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
2575         sqrtextenddfxf2_i387): Added amdfam10_decode.
2577         * config/i386/athlon.md (athlon_idirect_amdfam10,
2578         athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
2579         athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
2580         athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
2581         athlon_ivector_store_amdfam10): New define_insn_reservation.
2582         (athlon_idirect_loadmov, athlon_idirect_movstore): Added
2583         amdfam10.
2585 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2587         * config/i386/athlon.md (athlon_call_amdfam10,
2588         athlon_pop_amdfam10, athlon_lea_amdfam10): New
2589         define_insn_reservation.
2590         (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
2591         athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
2592         athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
2594 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2596         * config/i386/athlon.md (athlon_sseld_amdfam10,
2597         athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
2598         athlon_mmxssest_short_amdfam10): New define_insn_reservation.
2600 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2602         * config/i386/athlon.md (athlon_sseins_amdfam10): New
2603         define_insn_reservation.
2604         * config/i386/i386.md (sseins): Added sseins to define_attr type
2605         and define_attr unit.
2606         * config/i386/sse.md: Set type attribute to sseins for insertq
2607         and insertqi.
2609 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2611         * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
2612         ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
2613         ssecomi_load_amdfam10, ssecomi_amdfam10,
2614         sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
2615         define_insn_reservation.
2616         (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
2618 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2620         * config/i386/athlon.md (cvtss2sd_load_amdfam10,
2621         cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
2622         cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
2623         cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
2624         cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
2625         cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New
2626         define_insn_reservation.
2628         * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
2629         cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
2630         cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
2631         cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
2632         cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
2634 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2636         * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
2637         athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
2638         athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
2639         (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
2640         athlon_ssemul_load_k8): Added amdfam10.
2642 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2644         * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
2645         (x86_sse_unaligned_move_optimal): New variable.
2647         * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for
2648         m_AMDFAM10.
2649         (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
2650         for unaligned vector SSE double/single precision loads for AMDFAM10.
2652 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2654         * config/i386/i386.h (TARGET_AMDFAM10): New macro.
2655         (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
2656         Define TARGET_CPU_DEFAULT_amdfam10.
2657         (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
2658         (processor_type): Add PROCESSOR_AMDFAM10.
2660         * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
2661         processor_type in config/i386/i386.h.
2662         Enable imul peepholes for TARGET_AMDFAM10.
2664         * config.gcc: Add support for --with-cpu option for amdfam10.
2666         * config/i386/i386.c (amdfam10_cost): New variable.
2667         (m_AMDFAM10): New macro.
2668         (m_ATHLON_K8_AMDFAM10): New macro.
2669         (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
2670         x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
2671         x86_promote_QImode, x86_integer_DFmode_moves,
2672         x86_partial_reg_dependency, x86_memory_mismatch_stall,
2673         x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
2674         x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
2675         x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
2676         x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
2677         Enable/disable for amdfam10.
2678         (override_options): Add amdfam10_cost to processor_target_table.
2679         Set up PROCESSOR_AMDFAM10 for amdfam10 entry in
2680         processor_alias_table.
2681         (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
2682         (ix86_adjust_cost): Add code for amdfam10.
2684 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2686         * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
2687         instruction set feature flag. Add new (-mpopcnt) flag for popcnt
2688         instruction. Add new SSE4A (-msse4a) instruction set feature flag.
2689         * config/i386/i386.h: Add builtin definition for SSE4A.
2690         * config/i386/i386.md: Add support for ABM instructions
2691         (popcnt and lzcnt).
2692         * config/i386/sse.md: Add support for SSE4A instructions
2693         (movntss, movntsd, extrq, insertq).
2694         * config/i386/i386.c: Add support for ABM and SSE4A builtins.
2695         Add -march=amdfam10 flag.
2696         * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
2697         * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
2698         and amdfam10.
2699         * doc/extend.texi: Add documentation for SSE4A builtins.
2701 2007-02-05  Bob Wilson  <bob.wilson@acm.org>
2703         * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
2705 2007-02-05  Richard Guenther  <rguenther@suse.de>
2707         * tree-vectorizer.h (vectorizable_function): Add argument type
2708         argument, change return type.
2709         * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
2710         * tree-vect-transform.c (vectorizable_function): Handle extra
2711         argument, return vectorized function decl.
2712         (build_vectorized_function_call): Remove.
2713         (vectorizable_call): Handle calls with result and argument types
2714         differing.  Handle loop vectorization factor correctly.
2715         * targhooks.c (default_builtin_vectorized_function): Adjust for
2716         extra argument.
2717         * targhooks.h (default_builtin_vectorized_function): Likewise.
2718         * target.h (builtin_vectorized_function): Add argument type
2719         argument.
2720         * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
2721         extra argument, allow vectorizing of lrintf.
2722         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
2723         documentation of target hook.
2725 2007-02-05  Hans-Peter Nilsson  <hp@axis.com>
2727         PR target/30665
2728         * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
2729         ("*andhi_clear", andu (casesi+45)): For size-changed operand where
2730         memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
2732 2007-02-05  Roger Sayle  <roger@eyesopen.com>
2734         * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
2735         BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
2736         <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
2737         * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
2738         before canonicalizing sincos to cexpi.
2739         (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
2741 2007-02-05  Roger Sayle  <roger@eyesopen.com>
2743         * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
2744         Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
2745         (alpha_init_builtins): Use alpha_add_builtins to process tables.
2747 2007-02-05  Roger Sayle  <roger@eyesopen.com>
2749         * mips-tfile.c (initialize_init_file): Correct endianness test.
2751 2007-02-05  Kazu Hirata  <kazu@codesourcery.com>
2753         * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
2754         the 'y' constraint.
2756 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
2758         * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
2759         saves in a PARALLEL before the register assignments.
2761 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
2763         * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
2764         DWARF_FRAME_RETURN_COLUMN to be a general register.
2765         * dwarf2out.c (init_return_column_size): New function, split from...
2766         (expand_builtin_init_dwarf_reg_sizes): ...here.  Allow both
2767         DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
2768         to be nongeneral registers.
2769         * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
2770         integer registers.
2771         (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
2772         (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
2774 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
2776         * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
2778 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
2780         * cfgloopmanip.c (loop_delete_branch_edge): Removed.
2781         (remove_path): Use can_remove_branch_p and remove_branch instead
2782         of loop_delete_branch_edge.
2783         * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
2784         (tree_transform_and_unroll_loop): Remove dead branches immediately.
2785         Update profile using scale_dominated_blocks_in_loop.
2786         * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
2787         * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
2788         (can_remove_branch_p, remove_branch): Declare.
2789         * tree-cfg.c (tree_can_remove_branch_p): New function.
2790         (tree_cfg_hooks): Add tree_can_remove_branch_p.
2791         * cfgrtl.c (rtl_can_remove_branch_p): New function.
2792         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
2794 2007-02-05  Jan Hubicka  <jh@suse.cz>
2796         PR middle-end/30696
2797         * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
2798         nodes in cgraph, don't remove offline copy of the function.
2800 2007-02-04  Jan Hubicka  <jh@suse.cz>
2802         * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
2803         vectors might cause maybe_lookup_element_for_expr to be called
2804         on non-sra-candidate.
2806 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
2808         * config/bfin/bfin-modes.def, config/bfin/bfin.c,
2809         config/bfin/bfin.md, config/bfin/predicates.md: Follow
2810         spelling conventions.
2812 2007-02-04  Richard Guenther  <rguenther@suse.de>
2814         PR middle-end/30636
2815         * fold-const.c (try_move_mult_to_index): Make sure to not
2816         overflow one dimension of a multi-dimensional array access.
2818 2007-02-04  Jan Hubicka  <jh@suse.cz>
2820         * passes.c (init_optimization_passes): Reindent.
2822 2007-02-04  Jan Hubicka  <jh@suse.cz>
2823             Eric Botcazou  <ebotcazou@adacore.com>
2825         * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
2826         (execute_fixup_cfg): Break out the abnormal goto code.
2827         * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
2828         (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
2829         (optimize_inline_calls): Call make_nonlocal_label_edges.
2831 2007-02-04  Jan Hubicka  <jh@suse.cz>
2833         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
2834         true when something was changed.
2835         (rename_ssa_copies): When something was changed, do
2836         TODO_remove_unused_locals.
2837         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
2838         add TODO_remove_unused_locals when instruction was removed.
2840 2007-02-04  Jan Hubicka  <jh@suse.cz>
2842         * ipa-inline.c (try_inline): Improve debug output; work on already
2843         inline edges too.
2844         (cgraph_decide_inlining_incrementally): Indent; improve debug output;
2845         call try_inline for already inlined edges too when flattening;
2846         inline also functions that make callee growth but overall unit size
2847         reduce.
2849 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
2851         * config/m32c/bitops.md, config/m32c/jump.md,
2852         config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
2853         config/m32r/m32r.h, config/m32r/m32r.md,
2854         config/m32r/predicates.md, config/m68hc11/larith.asm,
2855         config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
2856         config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
2857         config/mips/mips-protos.h, config/mips/mips.c,
2858         config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
2859         config/mn10300/mn10300.h, config/mn10300/predicates.md,
2860         config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
2861         spelling conventions.
2863         * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
2864         Follow spelling conventions.
2866 2007-02-03  Douglas Gregor  <doug.gregor@gmail.com>
2868         * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
2869         warn about C++0x compatibility.
2871 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
2873         * config/h8300/h8300.c, config/h8300/h8300.h,
2874         config/h8300/h8300.md: Follow spelling conventions.
2876 2007-02-03  Uros Bizjak  <ubizjak@gmail.com>
2878         PR middle-end/30667
2879         * combine.c (try_combine): Do not substitute source operand
2880         with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
2882 2007-02-03  Jan Hubicka  <jh@suse.cz>
2884         PR gcov-profile/30650
2885         * value-prof.c (stringop_block_profile): Fix handling of size counter;
2886         do not divide by zero for never executed counters.
2887         (tree_find_values_to_profile): Fix counters.
2888         * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
2890 2007-02-03  Ian Lance Taylor  <iant@google.com>
2892         * lower-subreg.c (simple_move_operand): New static function,
2893         broken out of simple_move.  Reject LABEL_REF, SYMBOL_REF, and HIGH
2894         operands.
2895         (simple_move): Call simple_move_operand.
2896         (find_decomposable_subregs): Add special handling of MEMs.
2897         (can_decompose_p): Rename from cannot_decompose_p.  Reverse
2898         meaning of return value.  If we see a hard register, test whether
2899         it can store a word_mode value.  Change all callers.
2901 2007-02-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2903         * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
2904         ftrapv insns and expanders.
2905         (subdi3): Change define_expand operand 1 to arith11_operand, and
2906         operand 2 to reg_or_0_operand.  Change constraints of 64-bit insn
2907         pattern to handle reg_or_0 operands.  Revise 32-bit insn pattern to
2908         handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
2909         respectively.
2911         PR middle-end/30174
2912         * varasm.c (notice_global_symbol): Treat global objects as weak when
2913         flag_shlib is true.
2915 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2917         * emit-rtl.c (dconstpi): Delete.
2918         (dconstsqrt2): New.
2919         (init_emit_once): Delete dconstpi and init dconstsqrt2.
2920         * real.h (dconstpi): Delete.
2921         (dconstsqrt2): New.
2922         * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
2923         (fold_builtin_hypot): Likewise.
2925 2007-02-03  Tom Tromey  <tromey@redhat.com>
2927         PR driver/30246
2928         * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
2929         -gcoff3, -gxcoff3, -gvms3 implies -dD.
2931 2007-02-03  Kazu Hirata  <kazu@codesourcery.com>
2933         * c-decl.c, config/avr/avr.c, config/avr/avr.h,
2934         config/m68k/m68k.c, config/m68k/netbsd-elf.h,
2935         config/mn10300/mn10300.c, config/pdp11/pdp11.h,
2936         config/rs6000/cell.md, config/rs6000/darwin.h,
2937         config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
2938         config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
2939         jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
2940         tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
2941         typos.  Follow spelling conventions.
2942         * doc/invoke.texi: Follow spelling conventions.
2944 2007-02-03  Roger Sayle  <roger@eyesopen.com>
2946         * simplify-rtx.c (simplify_relational_operation_1): Implement some
2947         canonicalization transformations that attempt to simplify integer
2948         constant comparisons to become comparisons against zero.
2950 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2952         * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
2953         fabs(x)*sqrt(2).
2954         * fold-const.c (fold_binary): Fix comment typos.  Fold complex
2955         (x,0)-(0,y) into (x,-y).  Likewise (0,y)-(x,0) into (-x,y).
2957 2007-02-02  Mike Stump  <mrs@apple.com>
2959         * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
2960         * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
2961         (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
2962         generate a branch island.
2964 2007-02-02  Bob Wilson  <bob.wilson@acm.org>
2966         * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
2967         (xtensa_legitimate_address_p): New.
2968         (xtensa_legitimize_address): New.
2969         (xtensa_output_addr_const_extra): New.
2970         * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
2971         (BASE_REG_P): New.
2972         (REG_OK_FOR_BASE_P): Use BASE_REG_P.
2973         (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
2974         (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
2975         (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
2976         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
2977         (xtensa_legitimize_address): New.
2978         (xtensa_output_addr_const_extra): New.
2980 2007-02-02  Steve Ellcey  <sje@cup.hp.com>
2982         * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
2984 2007-02-02  Ian Lance Taylor  <iant@google.com>
2986         * expmed.c (expand_divmod): Add comment.
2988 2007-02-02  Kazu Hirata  <kazu@codesourcery.com>
2990         * emit-rtl.c (renumber_insns): Remove.
2991         * flags.h: Remove the extern for flag_renumber_insns.
2992         * rtl.h: Remove the prototype for renumber_insns.
2993         * toplev.c (flag_renumber_insns): Remove.
2995 2007-02-02  Hui-May Chang  <hm.chang@apple.com>
2997         Revert for x86 darwin:
2998         2005-06-19  Uros Bizjak  <uros@kss-loka.si>
3000         * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
3001         code before the following patch under TARGET_MACHO.
3002         (ix86_function_value_regno_p): Likewise.
3004 2007-02-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3006         * fold-const.c (negate_expr_p, fold_negate_expr): Handle
3007         COMPLEX_EXPR.
3009 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
3011         PR target/29682
3012         * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory loads to
3013         general or fp registers.  Add comments.
3014         * config/ia64/ia64.md (reg_pred_prefix): Add comment.
3016 2007-02-02  Paolo Bonzini  <bonzini@gnu.org>
3018         * pointer-set.c (insert_aux): Only return insertion slot.
3019         (pointer_set_insert): Adjust.
3020         (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
3021         pointer_map_destroy, pointer_map_insert, pointer_map_contains,
3022         pointer_map_traverse): New.
3023         * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
3024         pointer_map_create,  pointer_map_destroy, pointer_map_insert,
3025         pointer_map_contains, pointer_map_traverse): Declare.
3027 2007-02-02  Jakub Jelinek  <jakub@redhat.com>
3029         PR middle-end/30473
3030         * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
3031         sprintf (str, "%s").  Do not optimize sprintf (str, "nopercent", p++).
3033 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
3035         * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
3037         (struct _dep): New type.
3038         (dep_t): New typedef.
3039         (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
3040         (DEP_STATUS): New access macro.  The macro with the same name was
3041         renamed to DEP_LINK_STATUS.
3042         (dep_init): Declare function
3044         (struct _dep_link): New type.
3045         (dep_link_t): New typedef.
3046         (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
3047         (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
3048         (DEP_LINK_STATUS): New macro.
3049         (debug_dep_links): New debug function.
3051         (struct _deps_list): New type.
3052         (deps_list_t): New typedef.
3053         (DEPS_LIST_FIRST): New access macro.
3054         (FOR_EACH_DEP_LINK): New cycle macro.
3055         (create_deps_list, free_deps_list, delete_deps_list): Declare
3056         functions.
3057         (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
3058         (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
3059         (copy_deps_list_change_con): Ditto.
3061         (move_dep_link): Declare function.
3063         (struct _dep_node): New type.
3064         (dep_node_t): New typedef.
3065         (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
3067         (struct haifa_insn_data.back_deps): New field to hold backward
3068         dependencies of the insn.
3069         (struct haifa_insn_data.depend): Rename to forw_deps.  Change its type
3070         to deps_list_t.
3071         (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
3072         Change its type to deps_list_t.
3073         (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
3074         (INSN_DEPEND): Rename to INSN_FORW_DEPS.
3075         (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
3077         (INSN_COST): Move to haifa-sched.c.  Use insn_cost () instead.
3079         (DEP_STATUS): Rename to DEP_LINK_STATUS.  Fix typo in the comment.
3081         (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration and
3082         all callers.
3083         (dep_cost): Declare.
3085         * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
3086         (ds_to_dk, dk_to_ds): New functions.
3088         (init_dep_1): New static function.
3089         (init_dep): New function.
3090         (copy_dep): New static function.
3092         (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
3093         functions.
3094         (detach_dep_link): New static function.
3095         (move_dep_link): New function.
3097         (dep_links_consistent_p, dump_dep_links): New static functions.
3098         (debug_dep_links): New debugging function.
3100         (deps_obstack, dl_obstack, dn_obstack): New static variables.
3102         (alloc_deps_list, init_deps_list): New static functions.
3103         (create_deps_list): New function.
3104         (clear_deps_list): New static function.
3105         (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
3106         (deps_list_consistent_p, dump_deps_list): New static functions.
3107         (debug_deps_list): New function.
3108         (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
3109         functions.
3110         (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
3112         (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
3113         use new scheduler dependencies lists.
3114         (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
3115         (sched_analyze): Ditto.  Initialize dependencies lists.
3116         (add_forw_dep, compute_forward_dependences): Update to use new
3117         scheduler dependencies lists.
3119         (init_dependency_caches): Init deps_obstack.
3120         (free_dependency_caches): Free deps_obstack.
3122         (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
3123         new scheduler dependencies lists.
3124         (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
3125         (add_back_forw_dep, delete_back_forw_dep): Ditto.
3127         * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
3128         Update to use new scheduler dependencies lists.
3129         (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
3130         (debug_dependencies): Ditto.
3131         (schedule_region): Update comments.
3133         * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
3134         scheduler dependencies lists.
3135         (schedule_ebb): Update comments.
3137         * rtl.def (DEPS_LIST): Remove.
3139         * lists.c (unused_deps_list): Remove.
3140         (free_list): Update assertions.
3142         (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
3143         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
3145         * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
3146         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
3148         * haifa-sched.c (comments): Update.
3149         (insn_cost1): Remove.  Inline the code into insn_cost ().
3150         (insn_cost): Update to use new scheduler dependencies lists.  Move
3151         processing of the dependency cost to dep_cost ().
3152         (dep_cost): New function.  Use it instead of insn_cost () when
3153         evaluating cost of the dependency.  Use compatible interface to
3154         interact with the target.
3155         (priority): Update to use new scheduler dependencies lists.
3156         (rank_for_schedule): Ditto.  Optimize heuristic that prefers the insn
3157         with greater number of insns that depend on the insn.
3158         (schedule_insn): Update to use new scheduler dependencies lists.  Add
3159         code to free backward dependencies lists.  Inline and optimize code
3160         from resolve_dep () - see PR28071.
3161         (ok_for_early_queue_removal): Update to use new scheduler dependencies
3162         lists.  Update call to targetm.sched.is_costly_dependence hook.
3164         (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
3165         scheduler dependencies lists.
3167         (resolve_dep): Remove.  Move the logic to schedule_insn ().
3168         (init_h_i_d): Initialize dependencies lists.
3170         (process_insn_depend_be_in_spec): Rename to
3171         process_insn_forw_deps_be_in_spec.  Update to use new scheduler
3172         dependencies lists.
3173         (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
3174         Update to use new scheduler dependencies lists.
3175         (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
3177         * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
3178         new scheduler dependencies lists.
3179         (build_intra_loop_deps): Ditto.
3181         * target.h (struct _dep): Declare to use in
3182         gcc_target.sched.is_costly_dependence.
3183         (struct gcc_target.sched.adjust_cost): Fix typo.
3184         (struct gcc_target.sched.is_costly_dependence): Change signature to use
3185         single dep_t parameter instead of an equivalent triad.
3186         (struct gcc_target.sched.adjust_cost_2): Remove.
3188         * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
3190         * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
3192         * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
3193         documentation.
3194         (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
3196         * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
3197         (REG_DEP_TRUE): Document.
3199         * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
3200         Change signature to correspond to the targetm.sched.adjust_cost hook.
3201         Update use in TARGET_SCHED_ADJUST_COST_2.
3202         (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
3203         (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
3204         new scheduler dependencies lists.
3205         (ia64_gen_check): Ditto.
3207         * config/mips/mips.c (vr4130_swap_insns_p): Update to use new scheduler
3208         dependencies lists.
3210         * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
3211         signature to correspond to the targetm.sched.is_costly_dependence hook.
3212         (is_costly_group): Update to use new scheduler dependencies lists.
3214         * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
3215         instead of INSN_COST () macro.
3217 2007-02-01  Ian Lance Taylor  <iant@google.com>
3219         * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
3221 2007-02-01  Guy Martin  <gmsoft@gentoo.org>
3223         * pa.md (tp_load): Correct mfctl instruction syntax.
3225 2007-02-01  Geoffrey Keating  <geoffk@apple.com>
3227         * config/rs6000/rs6000.c (rs6000_stack_info): Correct
3228         altivec_padding_size calculation on AIX.  Improve comment, add
3229         assert to verify that it's right.
3231         * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
3232         64-bit.
3234 2007-2-01  Seongbae Park  <seongbae.park@gmail.com>
3236         PR inline-asm/28686
3237         * global.c (global_alloc): Add mising initialization of
3238         ELIMINABLE_REGSET.
3240 2007-02-01  Roger Sayle  <roger@eyesopen.com>
3242         * alias.c (init_alias_analysis): Correct whitespace.
3243         * bb-reorder.c (fix_edges_for_rarely_executed_code,
3244         partition_hot_cold_basic_blocks): Likewise.
3245         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
3246         expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
3247         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
3248         fold_builtin_snprintf_chk, fold_builtin_printf,
3249         fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
3250         do_mpfr_arg3, do_mpfr_sincos): Likewise.
3251         * cfgcleanup.c (cleanup_cfg): Likewise.
3252         * cfgexpand.c (tree_expand_cfg): Likewise.
3253         * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
3254         * function.c (get_next_funcdef_no): Likewise.
3255         * gengtype.c (main): Likewise.
3256         * genmodes.c (main): Likewise.
3257         * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
3258         * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
3259         * ifcvt.c (noce_emit_move_insn): Likewise.
3260         * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
3261         Likewise.
3262         * stor-layout.c (get_best_mode): Likewise.
3263         * tree-ssa-loop-niter.c (get_val_for): Likewise.
3264         * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
3265         scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
3266         perform_var_substitution, solve_graph): Likewise.
3267         * tree-vrp.c (vrp_finalize): Likewise.
3269 2007-02-01  Ian Lance Taylor  <iant@google.com>
3271         * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
3272         high part of a paradoxical subreg, return a constant zero.
3274 2007-02-01  Zdenek Dvorak <dvorakz@suse.cz>
3276         * toplev.c (lang_dependent_init): Call init_set_costs.
3277         * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
3279 2007-02-01  Richard Guenther  <rguenther@suse.de>
3281         PR middle-end/30656
3282         * fold-const.c (fold_negate_expr): Allow negating a
3283         constant if overflow does not change.
3285 2007-02-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3287         * doc/c-tree.texi (Expression trees): Improve markup.
3288         * doc/tm.texi (Register Classes, Addressing Modes)
3289         (Floating Point): Fix spacing after abbreviations.  Fix some
3290         typos.
3292 2007-02-01  Ben Elliston  <bje@au.ibm.com>
3294         * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
3295         * doc/contrib.texi: Likewise.
3296         * doc/install.texi: Likewise.
3298 2007-01-31  Richard Henderson  <rth@redhat.com>
3299             Ian Lance Taylor  <iant@google.com>
3301         * lower-subreg.c: New file.
3302         * rtl.def (CONCATN): Define.
3303         * passes.c (init_optimization_passes): Add pass_lower_subreg and
3304         pass_lower_subreg2.
3305         * emit-rtl.c (update_reg_offset): New static function, broken out
3306         of gen_rtx_REG_offset.
3307         (gen_rtx_REG_offset): Call update_reg_offset.
3308         (gen_reg_rtx_offset): New function.
3309         * regclass.c: Revert patch of 2006-03-05, restoring
3310         reg_scan_update.
3311         (clear_reg_info_regno): New function.
3312         * dwarf2out.c (concatn_loc_descriptor): New static function.
3313         (loc_descriptor): Handle CONCATN.
3314         * common.opt (fsplit_wide_types): New option.
3315         * opts.c (decode_options): Set flag_split_wide_types when
3316         optimizing.
3317         * timevar.def (TV_LOWER_SUBREG): Define.
3318         * rtl.h (gen_reg_rtx_offset): Declare.
3319         (reg_scan_update): Declare.
3320         * regs.h (clear_reg_info_regno): Declare.
3321         * tree-pass.h (pass_lower_subreg): Declare.
3322         (pass_lower_subreg2): Declare.
3323         * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
3324         (Optimize Options): Add -fsplit-wide-types to -O1 list.  Document
3325         -fsplit-wide-types.
3326         * doc/rtl.texi (Regs and Memory): Document concat and concatn.
3327         * Makefile.in (OBJS-common): Add lower-subreg.o.
3328         (lower-subreg.o): New target.
3330 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
3332         * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
3334 2007-01-31  Anatoly Sokolov <aesok@post.ru>
3336         PR target/19087
3337         * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
3339 2007-01-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3341         PR middle-end/29335
3342         * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
3344 2007-01-31  Zdenek Dvorak <dvorakz@suse.cz>
3346         * cfgloop.h: Include vec-prim.h.
3347         (enum li_flags): Remove LI_ONLY_OLD.
3348         (loop_iterator): Changed.
3349         (fel_next, fel_init): Iterate over loop tree.
3350         (FOR_EACH_LOOP_BREAK): New macro.
3351         * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
3352         FOR_EACH_LOOP.
3353         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
3354         * modulo-sched.c (sms_schedule): Ditto.
3355         * tree-vectorizer.c (vectorize_loops): Ditto.
3356         * doc/loop.texi: Update information on loop numbering and behavior of
3357         FOR_EACH_LOOP wrto new loops.
3358         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
3359         add_to_evolution_1): Test nestedness of loops instead of comparing
3360         their numbers.
3361         * tree-chrec.c (chrec_fold_plus_poly_poly,
3362         chrec_fold_multiply_poly_poly, chrec_evaluate,
3363         hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
3364         reset_evolution_in_loop): Ditto.
3365         * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
3367 2007-01-31  Dirk Mueller  <dmueller@suse.de>
3369         * c-common.c (warn_about_parentheses): Separate warning about
3370         un-parenthized sequence of comparison operators from the one
3371         which is supposed to warn about x <= y <= z.
3373 2007-01-31  Uros Bizjak  <ubizjak@gmail.com>
3375         * optabs.h (enum optab_index): Add new OTI_isinf.
3376         (isinf_optab): Define corresponding macro.
3377         * optabs.c (init_optabs): Initialize isinf_optab.
3378         * genopinit.c (optabs): Implement isinf_optab using isinf?f2
3379         patterns.
3380         * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
3381         (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
3382         using isinf_optab.
3383         (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
3384         expand_builtin_interclass_mathfn.
3385         * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
3386         * config/i386/i386.md (UNSPEC_FXAM): New constant.
3387         (fxam<mode>2_i387): New insn pattern.
3388         (isinf<mode>2) New expander to implement isinf, isinff and isinfl
3389         built-in functions as x87 inline asm.
3391 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
3393         * gcc/config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
3395 2007-01-30  Eric Christopher  <echristo@apple.com>
3397         * config.gcc: Add geode.
3399 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
3401         * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
3402         ipa-inline.c, tree-profile.c, tree-ssa-live.c,
3403         tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
3404         value-prof.c: Fix comment typos.
3406 2007-01-30  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3408         PR c++/24745
3409         * doc/invoke.texi (Wpointer-arith): Document warning.
3411 2007-01-30  Janis Johnson  <janis187@us.ibm.com>
3413         * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
3414         the list of discrepancies from the draft TR.
3416 2007-01-30  Dirk Mueller  <dmueller@suse.de>
3418         PR c++/30601
3419         * doc/invoke.texi (-Wreturn-type): Update description to
3420         match new behavior.
3422 2007-01-30  Richard Sandiford  <richard@codesourcery.com>
3424         * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
3426 2007-01-30  Uros Bizjak  <ubizjak@gmail.com>
3428         * builtins.c (expand_builtin_int_interclass_roundingfn): New function
3429         to handle optabs that operate on floating point input argument and
3430         output to integer output.
3431         (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
3432         (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
3433         (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
3434         expand_builtin_interclass_mathfn ().
3435         * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
3436         (ilogbsi2): Remove.
3437         (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
3438         ilogbl built-in functions as x87 intrinsics.
3440 2007-01-30  Richard Guenther  <rguenther@suse.de>
3442         PR middle-end/27657
3443         * dwarf2out.c (reference_to_unused): Query varpool if the
3444         variable was output.
3446 2007-01-30  Richard Guenther  <rguenther@suse.de>
3448         PR middle-end/30313
3449         * passes.c (execute_one_pass): Reset in_gimple_form to not
3450         confuse non-unit-at-a-time mode.
3452 2007-01-29  Roger Sayle  <roger@eyesopen.com>
3453             Richard Guenther  <rguenther@suse.de>
3455         * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
3456         avoid undefined behaviour on overflow.  Use force_fit_type_double
3457         to construct the constant with the specified TREE_OVERFLOW.
3459 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
3461         * config/dfp-bit.c: Add parameterized support for fp exceptions.
3462         * config/dfp-bit.h: Ditto.
3464 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3466         * c-decl.c (pop_scope): Replace warnings with call to
3467         warn_for_unused_label.
3468         * c-common.h (warn_for_unused_label): Declare.
3469         * c-common.c (warn_for_unused_label): Define.
3471 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3473         * tree-optimize.c (update_inlined_to_pointers): Delete unused
3474         function.
3476 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
3478         * Makefile.in (USER_H): Remove decfloat.h.
3479         * ginclude/decfloat.h: Delete, moving contents to ...
3480         * ginclude/float.h: Add support for decimal floating point,
3481         guarded by __STDC_WANT_DEC_FP__.
3483 2007-01-29  Mike Stump  <mrs@apple.com>
3485         * doc/gccint.texi (Top): Rename Loop Representation to Loop
3486         Analysis and Representation to resolve case insensitive conflict.
3487         * doc/loop.texi (Loop Analysis and Representation): Likewise.
3489 2007-01-28  Daniel Berlin  <dberlin@dberlin.org>
3491         * tree.h (struct tree_memory_tag): Add aliases member.
3492         (MTAG_ALIASES): New macro.
3493         * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
3494         (add_may_alias): Remove pointer-set. Update for may_aliases being
3495         a bitmap.
3496         (mark_aliases_call_clobbered): Update for may_aliases being a
3497         bitmap.
3498         (compute_tag_properties): Ditto.
3499         (create_partition_for): Ditto.
3500         (compute_memory_partitions): Ditto.
3501         (dump_may_aliases_for): Ditto.
3502         (is_aliased_with): Ditto.
3503         (add_may_alias_for_new_tag): Ditto.
3504         (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
3505         (compute_is_aliased): New function.
3506         (compute_may_aliases): Call compute_is_aliased).
3507         (init_alias_info): Initialize alias_bitmap_obstack.
3508         (union_alias_set_into): New function.
3509         (compute_flow_sensitive_aliasing): Use union_aliases_into.
3510         (have_common_aliases_p): Rewrite to take two bitmaps and use
3511         intersection.
3512         (compute_flow_insensitive_aliasing): Stop using pointer-sets.
3513         Update for bitmaps.
3514         (finalize_ref_all_pointers): Update for add_may_alias changes.
3515         (new_type_alias): Ditto.
3516         * tree-flow-inline.h (may_aliases): Return a bitmap.
3517         * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
3518         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
3519         may_aliases being a bitmap.
3520         * tree-flow.h (struct var_ann_d): Remove may_aliases member.
3521         may_aliases now returns a bitmap.
3522         * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
3523         being a bitmap.
3524         * tree-ssa-operands.c (add_virtual_operand): Update for
3525         may_aliases being a bitmap.
3527 2007-01-29  Daniel Berlin  <dberlin@dberlin.org>
3529         PR tree-optimization/30630
3530         * tree-ssa-structalias.c (do_complex_constraint): Mark correct
3531         variable as changed.
3533 2007-01-29  Simon Martin  <simartin@users.sourceforge.net>
3535         PR c++/28266
3536         * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
3537         expanded only once even if an error occurs.
3539 2007-01-29  Ben Elliston  <bje@au.ibm.com>
3541         * gcov-io.h (__gcov_indirect_call_profiler): Declare.
3542         (__gcov_average_profiler): Likewise.
3543         (__gcov_ior_profiler): Likewise.
3544         (__gcov_merge_ior): Likewise.
3546 2007-01-28  Jan Hubicka  <jh@suse.cz>
3548         * builtins.c (expand_builtin_memset): Fix typo in my last patch.
3549         * value-prof.c (stringop_block_profile): Likewise.
3551 2007-01-28  Jan Hubicka  <jh@suse.cz>
3553         * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall): Add
3554         variant handling histograms; add wrapper.
3555         (clear_storage_via_libcall): Export.
3556         (emit_block_move_hints): Break out from ...; add histograms.
3557         (emit_block_move): ... this one.
3558         (clear_storage_hints): Break out from ...; add histograms.
3559         (clear_storage): ... this one.
3560         (set_storage_via_memset): Handle histogram.
3561         * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
3562         (clear_storage_hints, clear_storage_via_libcall): Declare.
3563         (set_storage_via_setmem): Update prototype.
3564         * doc/md.texi (movmem, setmem): Document new arguments.
3566         * value-prof.c (dump_histogram_value, tree_find_values_to_profile): Add
3567         new histograms.
3568         (stringop_block_profile): New global function.
3569         (tree_stringops_values_to_profile): Profile block size and alignment.
3570         * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
3571         HIST_TYPE_IOR.
3572         (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
3573         (stringop_block_profile): Declare.
3574         * builtins.c: Include value-prof.h.
3575         (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
3576         * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
3577         (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
3578         (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
3579         * profile.c (instrument_values): Add new counters.
3580         * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
3581         calls.
3582         * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
3583         (tree_init_edge_profiler): Build new profilers.
3584         (tree_gen_average_profiler, tree_gen_ior_profiler): New.
3585         (pass_tree_profile): Add dump.
3586         (tree_profile_hooks): Update.
3587         * Makefile.in (LIBGCOV): Add new constants.
3588         * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
3589         __gcov_ior_profiler): New.
3590         * i386.md (movmem/setmem expanders): Add new optional arguments.
3592 2007-01-28  David Edelsohn  <edelsohn@gnu.org>
3594         * doc/md.texi (Standard Pattern Names): Document blockage pattern.
3596 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
3598         * tree-ssa-loop-unswitch.c: Include tree-inline.h.
3599         (tree_unswitch_single_loop): Pass eni_size_weights to
3600         tree_num_loop_insns.
3601         * tree-ssa-loop-manip.c: Include tree-inline.h.
3602         (can_unroll_loop_p): Pass eni_size_weights to
3603         tree_num_loop_insns.
3604         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
3605         Pass eni_size_weights to estimate_num_insns.
3606         * tree.h (init_inline_once): Export.
3607         * toplev.c (backend_init): Call init_inline_once.
3608         * cgraphunit.c (cgraph_process_new_functions,
3609         cgraph_analyze_function): Pass eni_inlining_weights to
3610         estimate_num_insns.
3611         * ipa-inline.c (compute_inline_parameters): Ditto.
3612         * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
3613         to estimate_num_insns.
3614         (try_unroll_loop_completely): Pass eni_size_weights to
3615         tree_num_loop_insns.
3616         * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
3617         ot estimate_num_insns.
3618         * tree-ssa-loop-prefetch.c: Include tree-inline.h.
3619         (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
3620         * tree-inline.c (eni_inlining_weights, eni_size_weights,
3621         eni_time_weights): New variables.
3622         (init_inline_once): Initialize them.
3623         (struct eni_data): Mew.
3624         (estimate_num_insns_1, estimate_num_insns): Use weights.
3625         * tree-inline.h (struct eni_weights_d): New.
3626         (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
3627         (estimate_num_insns): Declaration changed.
3628         * cfgloop.h (tree_num_loop_insns): Declaration changed.
3629         * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
3630         tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
3632 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
3634         * tree-data-ref.c (conflict_fn): Assert that the number of affine
3635         relations in the conflict function is valid.
3637 2007-01-27  Ian Lance Taylor  <iant@google.com>
3639         * common.opt: Add fstrict-overflow.
3640         * opts.c (decode_options): Set flag_strict_overflow if -O2.
3641         * flags.h (TYPE_OVERFLOW_WRAPS): Define.
3642         (TYPE_OVERFLOW_UNDEFINED): Define.
3643         (TYPE_OVERFLOW_TRAPS): Define.  This replaces TYPE_TRAP_SIGNED.
3644         Replace all uses.
3645         * tree.h (TYPE_TRAP_SIGNED): Don't define.
3646         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
3647         (fold_negate_expr): Likewise.
3648         (make_range): Likewise.
3649         (extract_muldiv_1): Likewise.
3650         (maybe_canonicalize_comparison): Likewise.
3651         (fold_comparison): Likewise.
3652         (fold_binary): Likewise.
3653         (tree_expr_nonnegative_p): Likewise.
3654         (tree_expr_nonzero_p): Likewise.
3655         * tree-vrp.c (compare_values): Likewise.
3656         (extract_range_from_binary_expr): Likewise.
3657         (extract_range_from_unary_expr): Likewise.
3658         * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
3659         Likewise.
3660         (nowrap_type_p): Likewise.
3661         * tree-scalar-evolution.c (simple_iv): Likewise.
3662         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
3663         (build_range_check): Likewise.
3664         (extract_muldiv_1): Likewise.
3665         (fold_comparison): Likewise.
3666         * tree-vrp.c (vrp_int_const_binop): Likewise.
3667         (extract_range_from_unary_expr): Likewise.
3668         * convert.c (convert_to_integer): Likewise.
3669         * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
3670         (fold_comparison): Likewise.
3671         (fold_binary): Likewise.
3672         * optabs.c (optab_for_tree_code): Likewise.
3673         * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
3674         * simplify-rtx.c (simplify_const_relational_operation): Check
3675         flag_strict_overflow and flag_trapv.
3676         (simplify_const_relational_operation): Likewise.
3677         * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
3678         (Optimize Options): Add -fstrict-overflow to -O2 list.  Document
3679         -fstrict-overflow.
3681 2007-01-27  Roger Sayle  <roger@eyesopen.com>
3683         * tree.c (tree_fold_gcd): Delete.
3684         * tree.h (tree_fold_gcd): Remove prototype.
3685         * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
3686         test whether one constant integer is a multiple of another.  Instead
3687         call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
3688         * fold-const.c (multiple_of_p):  We've determined both TOP and
3689         BOTTOM are integer constants so we can call int_const_binop directly
3690         instead of the more generic const_binop.
3692 2007-01-27  Roger Sayle  <roger@eyesopen.com>
3694         * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
3695         1*X check that the constant hasn't overflowed, to preserve the
3696         TREE_OVERFLOW bit.
3697         (round_up): Provide an efficient implementation when rouding-up an
3698         INTEGER_CST to a power-of-two.
3700 2007-01-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3702         * doc/sourcebuild.texi: Add comma for clarity.
3703         * doc/extend.texi: Fix some typos.
3704         * doc/passes.texi: Likewise.
3705         * doc/cppinternals.texi: Likewise.
3706         * doc/c-tree.texi: Likewise.
3707         * doc/tree-ssa.texi: Likewise.
3708         * doc/install.texi: Likewise.
3710 2007-01-27  Jan Hubicka  <jh@suse.cz>
3712         * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
3713         (pass_sra): Do not require alias information.
3714         * passes.c (init_optimization_passes): Add SRA
3716 2007-01-27  Steven Bosscher  <steven@gcc.gnu.org>
3718         * tracer.c (rest_of_handle_tracer): We already cleaned
3719         up the CFG in tracer() so don't do it here again.
3720         * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
3721         cleanup_cfg here, either.  And don't call renumber_insns.
3723         * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
3724         and BB_HEAD are in the insn stream here.  Instead make sure
3725         that BB_INSN is valid on all insns.  Also, do check here that
3726         there are no pending branch predictions...
3727         (rtl_verify_flow_info): ...instead of doing it here.  Checks
3728         for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
3729         here.
3731 2007-01-26  Roger Sayle  <roger@eyesopen.com>
3733         * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
3734         function to simplify/factorize operand order canonicalization.
3735         (ix86_fixup_binary_operands): Reorganize using the above function.
3736         (ix86_binary_operator_ok): Likewise.
3738 2007-01-27  Jakub Jelinek  <jakub@redhat.com>
3740         * genattrtab.c (struct attr_value_list, insn_code_values): Move to
3741         file scope from optimize_attrs.
3742         (simplify_test_exp): If insn_code_values is not NULL, use it to speed
3743         up search.
3744         (optimize_attrs): Clear insn_code_values after freeing it.
3746 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
3748         * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
3749         a parts.base assignment.
3751 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
3753         * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
3754         (compute_subscript_distance, initialize_data_dependence_relation,
3755         finalize_ddr_dependent, analyze_ziv_subscript,
3756         analyze_siv_subscript_cst_affine,
3757         compute_overlap_steps_for_affine_univar,
3758         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
3759         analyze_siv_subscript, analyze_miv_subscript,
3760         analyze_overlapping_iterations, subscript_dependence_tester_1,
3761         compute_self_dependence, free_dependence_relation): Work
3762         with affine_fn instead of chrecs.
3763         (dump_affine_function, dump_conflict_function, affine_function_equal_p,
3764         common_affine_function, affine_function_base,
3765         affine_function_constant_p, affine_fn_op, affine_fn_plus,
3766         affine_fn_minus, affine_fn_free, conflict_fn_not_known,
3767         conflict_fn_no_dependence, free_conflict_function, free_subscripts,
3768         conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
3769         (all_chrecs_equal_p): Removed.
3770         * tree-data-ref.h (affine_fn, conflict_function): New types.
3771         (struct subscript): Change type of conflicting_iterations_in_a
3772         and conflicting_iterations_in_b.
3774 2007-01-26  Steve Ellcey  <sje@cup.hp.com>
3776         PR other/30182
3777         * config/pa/pa.h (TARGET_HPUX_11): New.
3778         * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
3779         * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
3781 2007-01-26  Daniel Berlin  <dberlin@dberlin.org>
3782         Richard Guenther  <rguenther@suse.de>
3784         * tree-ssa-structalias.c (solve_graph): Handle case
3785         we merged the variable to another.
3787 2007-01-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3789         * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
3790         functions.
3792         * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
3793         catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
3795 2007-01-25  DJ Delorie  <dj@redhat.com>
3797         * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
3798         allow changes to modes which don't fit in those registers.
3800         * reload1.c (choose_reload_regs): Check for invalid subregs before
3801         computing their locations, not after.
3803 2007-01-25  Geoffrey Keating  <geoffk@apple.com>
3805         PR 25127
3806         * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
3807         save Altivec registers in an eh_return function.
3808         (compute_vrsave_mask): Likewise.
3809         (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
3810         for saving Altivec registers.
3811         (rs6000_emit_prologue): Don't allocate stack twice in
3812         eh_return function.  Correct expected value of altivec_save_offset
3813         when using save_world.  Describe save of R0 to stack when using
3814         save_world.  Describe stack pointer adjustment when using
3815         save_world.  Remove duplicated eh_return parameter register saving.
3816         Update sp_offset variable after save_world.
3817         * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
3818         darwin-world.asm.
3819         (LIB2FUNCS_EXTRA): Add darwin-world.asm.
3820         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
3821         implies Altivec.
3823 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
3825         * config.gcc (ia64*-*-hpux*): Make posix threads the default.
3827 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
3829         PR other/30182
3830         * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
3831         * config/ia64/ia64.c (ia64_init_builtins):  Ditto.
3833 2007-01-25  Richard Guenther  <rguenther@suse.de>
3835         * doc/invoke.texi (-Wcoverage-mismatch): Document.
3836         * common.opt (-Wcoverage-mismatch): New warning option.
3837         * coverage.c (get_coverage_counts): Ignore coverage mismatch
3838         if -Wcoverage-mismatch is given.
3840 2007-01-25  Razya Ladelsky  <razya@il.ibm.com>
3842         * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
3843         (ipcp_driver): Change to static definition.
3844         Add dumping of the ifunctions.
3845         (constant_val_insert): Remove unused parameter. Support for SSA.
3846         (ipcp_propagate_const): Support for SSA.
3847         (ipcp_profile_bb_print): Print only analyzed nodes.
3848         (ipcp_replace_map_create): Remove support for Fortran constant
3849         for now.
3850         * ipa-prop.c (ipa_method_modify_stmt,
3851         ipa_callsite_compute_param): Support for SSA.
3852         * ipa-prop.h (ipcp_driver): Remove declaration.
3853         (IS_VALID_TREE_MAP_INDEX): Add define.
3855 2007-01-24  Geoffrey Keating  <geoffk@apple.com>
3857         * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
3859 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3861         PR middle-end/30447
3862         * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
3863         constant argument to cabs and do it without checking for
3864         -funsafe-math-optimizations.
3866 2007-01-24  Douglas Gregor  <dgregor@osl.iu.edu>
3868         * c-common.h (RID_FIRST_CXX0X): New.
3869         (RID_LAST_CXX0X): New.
3870         * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
3871         by -Wall.
3872         * c.opt (Wc++0x-compat): New.
3873         * doc/invoke.texi (-Wc++0x-compat): Document.
3875 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3877         * builtins.c (fold_builtin_carg): New.
3878         (fold_builtin_1): Use it.
3880 2007-01-24  Jan Hubicka  <jh@suse.cz>
3882         * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
3884         * ipa-inline.c (initial_insns, max_insns): Delete.
3885         (compute_max_insns): New function.
3886         (cgraph_decide_inlining_of_small_function): Use it; take minimal amount
3887         of insns as base for code growth.
3888         (cgraph_decide_inlining): Make initial_insns local; do not compute
3889         max_insns.
3890         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
3891         * doc/invoke.texi (inline-unit-growth): Update docs.
3893 2007-01-24  Jakub Jelinek  <jakub@redhat.com>
3895         * config/i386/i386.h (x86_cmpxchg16b): Remove const.
3896         (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
3897         * config/i386/i386.c (x86_cmpxchg16b): Remove const.
3898         (override_options): Add PTA_CX16 flag.  Set x86_cmpxchg16b
3899         for CPUs that have PTA_CX16 set.
3901         PR middle-end/27416
3902         * gimplify.c (omp_check_private): New function.
3903         (gimplify_scan_omp_clauses): Use it for
3904         firstprivate/lastprivate/reduction.
3906         PR middle-end/30494
3907         * gimplify.c (omp_add_variable): Don't call omp_notice_variable
3908         on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
3910         PR middle-end/30421
3911         * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
3912         If lower_lastprivate_clauses emits some statements, append them
3913         to dlist rather than body_p and to body_p append an initializer.
3914         (lower_omp_for): Adjust caller.
3916 2007-01-24  Steve Ellcey  <sje@cup.hp.com>
3918         * target.h (globalize_decl_name): New.
3919         * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
3920         * output.h (default_globalize_decl_name): New.
3921         * varasm.c (asm_output_bss): Use globalize_decl_name instead of
3922         globalize_label.
3923         (globalize_decl): Ditto.
3924         (default_globalize_decl_name): New.
3925         * config/ia64/ia64.c (ia64_globalize_decl_name): New.
3926         (ia64_handle_version_id_attribute): New.
3927         (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
3928         (ia64_asm_output_external): Use globalize_decl_name instead
3929         of globalize_label.
3930         * doc/extend.texi (version_id): New pragma.
3931         * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
3933 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
3935         * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
3936         _uleb128_t and _Unwind_SWord with _sleb128_t.
3937         * unwind-dw2.c (extract_cie_info, execute_stack_op, execute_cfa_program,
3938         uw_frame_state_for, uw_update_context_1): Likewise.
3939         * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
3940         * unwind-pe.h (read_uleb128, read_sleb128,
3941         read_encoded_value_with_base): Likewise.
3942         * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
3944 2007-01-24  Richard Guenther  <rguenther@suse.de>
3946         * builtins.c (expand_builtin_cexpi): Get the fndecl
3947         for cexp in the correct way.
3949 2007-01-24  Jan Hubicka  <jh@suse.cz>
3951         * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS of calls.
3953 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
3955         * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
3956         (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
3957         __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
3958         __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
3959         __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
3960         __SIZEOF_PTRDIFF_T__.
3961         * doc/cpp.texi: Documentation for the new builtin macros added.
3963 2007-01-24  Uros Bizjak  <ubizjak@gmail.com>
3965         * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
3966         log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
3967         instead of operands[2] to avoid access past the end of array.
3969 2007-01-24  Richard Sandiford  <richard@codesourcery.com>
3971         * reload1.c (emit_reload_insns): Pass the reload register
3972         for a non-spill output reload through forget_old_reloads_1.
3974 2007-01-23  Joseph Myers  <joseph@codesourcery.com>
3976         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
3977         _SOFT_DOUBLE if doubles use software floating-point.
3978         * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
3979         double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
3980         * config/rs6000/darwin-ldouble.c: Also compile functions for
3981         hard-float without FPRs.  Use fmsub function for all __NO_FPRS__
3982         cases.  Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
3983         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
3984         commented-out long double override.
3985         (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
3986         * config/rs6000/eabispe.h: Likewise.
3987         * config/rs6000/rs6000.c (rs6000_override_options): Don't override
3988         long double for non-SPE.
3989         (rs6000_handle_option): Likewise.
3990         (invalid_e500_subreg): Disallow more subregs involding DImode,
3991         DFmode, TImode or TFmode.
3992         (rs6000_legitimate_offset_address_p): Check TFmode offsets for
3993         E500 double.
3994         (legitimate_lo_sum_address_p): Also check for TFmode for E500
3995         double.
3996         (rs6000_legitimize_address): Also handle TFmode for E500 double.
3997         (rs6000_legitimize_reload_address): Also handle TFmode for E500
3998         double.
3999         (rs6000_legitimate_address): Also check for TFmode for E500
4000         double.
4001         (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
4002         (spe_build_register_parallel): Handle TFmode and TCmode.
4003         (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
4004         double.
4005         (function_arg): Handle TFmode and TCmode for E500 double.
4006         (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
4007         in general.
4008         (print_operand): Handle TFmode and TImode for %y.
4009         (rs6000_generate_compare): Handle TFmode comparisons for E500
4010         double.
4011         (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
4012         (rs6000_function_value): Handle TFmode and TCmode for E500 double.
4013         (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
4014         * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
4015         TFmode for E500 double.
4016         * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
4017         (floatsidf2): Enable for E500 double.
4018         (movtf_softfloat): Use rs6000_nonimmediate_operand.
4019         (extenddftf2): Change to extenddftf2_fprs.
4020         (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
4021         depending on TARGET_E500_DOUBLE.
4022         (extendsftf2): Enable for E500 double.
4023         (trunctfdf2): Enable for E500 double.
4024         (trunctfsf2): Change to trunctfsf2_fprs.
4025         (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
4026         depending on TARGET_E500_DOUBLE.
4027         (floatsitf2): Enable for E500 double.
4028         (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
4029         (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
4030         gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
4031         (negtf2): Change to negtf2_internal.
4032         (negtf2): New expander.
4033         (abstf2): Enable for E500 double.  Call gen_spe_abstf2_tst,
4034         gen_spe_abstf2_cmp or gen_abstf2_internal depending on
4035         TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
4036         (movdi_internal32): Use rs6000_nonimmediate_operand.
4037         (unnamed splitter): Likewise.
4038         * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
4039         TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
4040         (SPE64TF, DITI): New mode macros.
4041         (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
4042         modes.
4043         (frob_tf_ti): New.
4044         (frob_<mode>_di_2): New.
4045         (frob_tf_di_8_2): New.
4046         (frob_di_df): Change to frob_di_<mode>; allow more modes.
4047         (frob_ti_tf): New.
4048         (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
4049         more modes.
4050         (frob_ti_<mode>_8_2): New.
4051         (frob_ti_tf_2): New.
4052         (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
4053         mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
4054         TFmode.
4055         (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
4056         mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
4057         (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
4058         spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
4059         spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
4060         (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
4061         tsttflt_gp): New.
4063 2007-01-23  Ian Lance Taylor  <iant@google.com>
4065         * Makefile.in (OBJS-common): Reformat, alphabetize, but put
4066         insn-*.o first.
4067         (OBJS-archive): Reformat, alphabetize.
4068         (OBJS): Change out_object_file to OBJS-md.
4070 2007-01-23  Uros Bizjak  <ubizjak@gmail.com>
4072         * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
4073         JUMP_P and CALL_P predicates where applicable.
4074         * config/i386/i386.c: Ditto.
4075         * config/i386/i386.md: Ditto.
4076         * config/i386/mmx.md: Ditto.
4077         * config/i386/predicates.md: Ditto.
4079 2007-01-22  Andreas Schwab  <schwab@suse.de>
4081         * config/m68k/m68k.h: Fix comment.
4083 2007-01-22  Jan Hubicka  <jh@suse.cz>
4085         * passes.c (init_optimization_passes): Do not rerun
4086         pass_early_warn_uninitialized.
4088 2007-01-22  Richard Guenther  <rguenther@suse.de>
4090         PR tree-optimization/30038
4091         * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
4092         function.
4093         (execute_cse_sincos_1): Likewise.
4094         (execute_cse_sincos): Likewise.
4095         (gate_cse_sincos): Likewise.
4096         (pass_cse_sincos): New pass CSEing sin() and cos() calls using
4097         the cexpi() canonicalization of sincos().
4098         * tree-pass.h (pass_cse_sincos): Declare.
4099         * passes.c (init_optimization_passes): New pass pas_cse_sincos.
4101 2007-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
4103         PR rtl-optimization/29329
4104         * combine.c (replaced_rhs_insn): Rename to i2mod.
4105         (replaced_rhs_value): Rename to i2mod_new_rhs.
4106         (i2mod_old_rhs): New global variable.
4107         (combine_instructions): Adjust for above change.  Save a copy of
4108         the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
4109         note are substituted in the second instruction.
4110         (distribute_notes) <REG_DEAD>: Adjust for above change.  Do not
4111         ditch the note if it pertains to the second eliminated register
4112         and this register is mentioned in i2mod_old_rhs.
4114         Revert:
4115         2006-09-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
4117         * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
4118         the insn to which the note was originally attached.
4120 2007-01-21  Jan Hubicka  <jh@suse.cz>
4122         * ipa-inline.c (inlining_mode): Comment, move up.
4123         (cgraph_decide_inlining_incrementally): Do not perform inlining
4124         itself; fix handling of flattening of self recursive functions.
4125         (cgraph_find_cycles): Remove.
4126         (cgraph_flatten_node): Remove.
4127         (cgraph_decide_inlining): Use incremental inliner to handle flattening.
4128         (try_inline): New function.
4129         (cgraph_early_inlining): Update call of
4130         cgraph_decide_inlining_incrementally.  Apply inlining here.
4131         (apply_inline): Update call of cgraph_decide_inlining_incrementally.
4133 2007-01-21  Dirk Mueller  <dmueller@suse.de>
4135         PR bootstrap/30511
4136         * tree-vrp.c (check_array_bounds): do not warn
4137         about ADDR_EXPR's of ARRAY_REF's which are immediately
4138         used in binary expressions.
4140 2007-01-21  Ira Rosen  <irar@il.ibm.com>
4142         * tree-vectorizer.h (struct _stmt_vec_info): Add new field
4143         read_write_dep and macros for its access.
4144         * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
4145         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
4146         argument, call vect_check_interleaving for every independent pair of
4147         data-refs. Mark loads that access the same memory location as a store
4148         in the loop.
4149         (vect_check_dependences): Remove.
4150         (vect_analyze_data_ref_dependences): Remove  vect_check_dependences
4151         call, fix the call to vect_analyze_data_ref_dependence.
4152         (vect_analyze_data_ref_access): For statements that access the same
4153         data-ref, check that they are not stores; for loads, check that there
4154         is no store that access the same location.
4156 2007-01-20  Roger Sayle  <roger@eyesopen.com>
4157             Joseph Myers  <joseph@codesourcery.com>
4159         * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
4160         (-fdump-rtl-stack): Likewise.
4161         (-fno-signed-zeros): Use @minus{} for a minus sign.  Correct typo.
4162         (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
4163         (-mpt-fixed): Use @minus{} for minus sign.
4164         (Using Precompiled Headers): Fix under/overfull hbox.
4166 2007-01-20  Jan Hubicka  <jh@suse.cz>
4168         * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
4169         place within annotation.
4171 2007-01-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4173         * pa.c (output_move_double): Change array size of xoperands to 4.
4175 2007-01-20  Jan Hubicka  <jh@suse.cz>
4177         * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
4178         as temporary.
4180 2007-01-19  Ian Lance Taylor  <iant@google.com>
4182         * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
4183         constant to unsigned HOST_WIDE_INT before negating.
4185 2007-01-19  Ian Lance Taylor  <iant@google.com>
4187         * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
4188         to unsigned.
4189         (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
4190         (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
4191         (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
4192         (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
4193         (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
4194         (realloc_vdef, realloc_vuse): Change second parameter to
4195         unsigned.
4196         (ssa_operand_iterator_d): Change vuse_index and mayuse_index
4197         fields to unsigned.
4198         * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
4199         unsigned. Change x and lim locals to unsigned.
4200         (realloc_vdef, realloc_vuse): Change num_elem parameter to
4201         unsigned.
4202         (finalize_ssa_vuse_ops): Change old_i local to unsigned.
4203         (copy_virtual_operands): Change i and n locals to unsigned.
4205 2007-01-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4207         PR middle-end/29335
4208         * builtins.c (fold_builtin_1): Handle builtin fdim.
4210 2007-01-20  Jan Hubicka  <jh@suse.cz>
4212         * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
4213         * tree-ssa-structalias.c (compute_points_to_sets): Do call
4214         init_alias_heapvars.
4215         (init_alias_heapvars): Initialize only when not already initialized.
4216         (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
4218 2007-01-19  Roger Sayle  <roger@eyesopen.com>
4220         * common.opt (fsigned-zeros): New command line option.
4221         * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
4222         of flag_unsafe_math_optimizations.
4223         * opts.c (set_fast_math_flags): The -ffast-math command line option
4224         implies -fno-signed-zeros.
4225         (fast_math_flags_set_p): Likewise.
4227         * doc/invoke.texi: Document new -fno-signed-zeros option, and update
4228         the documentation of -ffast-math appropriately.  Wrap long lines.
4230 2007-01-19  Steve Ellcey  <sje@cup.hp.com>
4232         * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
4233         * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
4235 2007-01-19  Tomas Bily  <tbily@suse.cz>
4237         * cgraphunit.c (cgraph_finalize_function): Updating of pid
4238         * tree-profile.c:
4239         (tree_init_ic_make_global_vars): New function
4240         (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
4241         (tree_gen_ic_profiler): New function
4242         (tree_gen_ic_func_profiler): New function
4243         (tree_profiling): Added calling of tree_gen_ic_func_profiler
4244         (tree_profile_hooks): Added hook for indirec/virtual calls
4245         * value-prof.c (tree_find_values_to_profile): New case for
4246         indirect calls
4247         (tree_values_to_profile): Call for determining indirect/virtual
4248         counters
4249         (tree_indirect_call_to_profile): New function
4250         (tree_ic_transform): New function
4251         (tree_ic): New function
4252         (find_func_by_pid): New function
4253         (init_pid_map): New function
4254         (tree_value_profile_transformations): Added check for
4255         indirect/virtual call transformation
4256         * value-prof.h (enum hist_type): New counter type for
4257         indirect/virtual calls
4258         (profile_hooks): Added new hook for profiling indirect/virtual
4259         calls
4260         * profile.c (instrument_values): New case for indirect/virtual
4261         call added
4262         * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
4263         (GCOV_COUNTER_V_INDIR): New counter type
4264         (GCOV_COUNTER_NAMES): New name of counter "indirect" added
4265         (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
4266         call added
4267         * cgraph.c: Definition of cgraph_max_pid
4268         (cgraph_create_node): Default init of pid attribute
4269         * cgraph.h: Declaration of cgraph_max_pid
4270         (struct cgraph_node): Added pid attribute
4271         * libgcov.c (__gcov_indirect_call_profiler): New function
4272         (__gcov_one_value_profiler_body): New function
4273         (__gcov_one_value_profiler): Body was moved to
4274         __gcov_one_value_profiler_body and calls it
4276 2007-01-19  Basile Starynkevitch  <basile@starynkevitch.net>
4278         * doc/gty.texi (Options): Document the mark_hook option to GTY.
4279         * gengtype.c (write_types_data, write_func_for_structure,
4280         write_types, ggc_wtd, pch_wtd): Add skip_hooks to
4281         write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
4282         (walk_type, write_func_for_structure): Generate the mark_hook if
4283         needed.
4285 2007-01-19  Jan Hubicka  <jh@suse.cz>
4287         * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
4288         'early' argument take inlining mode argument specifying whether to
4289         inline for size/speeed or all functions; add support for flattening;
4290         improve dumpting.
4291         (cgraph_early_inlining): Update call of decide_inlining_incrementally.
4293 2007-01-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4295         PR c++/17947
4296         * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
4297         the name of the declared identifier.
4299 2007-01-19  Dirk Mueller  <dmueller@suse.de>
4301         * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
4302         result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
4303         duplicate evaluation.
4305 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
4307         * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
4308         Macroize expander using X87MODEF12 mode macro.  Extend operand 1
4309         to XFMode, use acosxf2 and truncate result to requested mode.
4310         Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
4311         (asin<mode>2): Similarly, with asin expanders.
4312         (*fscalexf4_i387): Rename from *fscalexf4.
4313         (expNcorexf3): New expander.
4314         (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
4315         (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
4316         X87MODEF12 mode macro.  Extend operand 1 to XFMode, use expxf2 and
4317         truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
4318         patterns for SSE math.
4319         (exp10<mode>2): Similarly, with exp10 expanders.
4320         (exp2<mode>2): Similarly, with exp2 expanders.
4321         (expm1<mode>2): Similarly, with expm1 expanders.
4322         (ldexp<mode>3): Similarly, with ldexp expanders.
4323         (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
4324         Use gen_truncxf<mode>2_i387_noop to truncate result.
4326 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
4328         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
4329         for ColdFire targets.
4331 2007-01-19  Nathan Sidwell  <nathan@codesourcery.com>
4332             Richard Sandiford  <richard@codesourcery.com>
4334         * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
4335         (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
4336         (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
4337         * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
4338         (M68K_STATIC_CHAIN_REG_NAME): Likewise.
4339         * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
4341 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
4343         * config/m68k/m68k.md (adddi_dilshr32): Rename to...
4344         (*adddi_dilshr32): ...this.  Fix formatting.  Remove commented-out
4345         non-canonical pattern.  Restrict to !TARGET_COLDFIRE.
4346         (*adddi_dilshr32_cf): New pattern.
4347         (adddi3, subdi3): Remove first alternatives.
4349 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
4351         * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
4352         implemented using move.l, do not use its cc result for floating-point
4353         comparisons.
4355 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
4357         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
4358         from accepting 's' constraints if flag_pic.
4360 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
4362         * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
4363         (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
4364         (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
4365         condition from TARGET_68881 to TARGET_HARD_FLOAT.
4367 2007-01-19  Sandra Loosemore  <sandra@codesourcery.com>
4369         * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
4370         ColdFire alternatives.
4371         * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
4372         * config/m68k/m68k.md (clzsi2):  Define for ColdFire
4373         architectures that support ff1 instruction.
4375 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
4376             Julian Brown  <julian@codesourcery.com>
4378         * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
4379         * config/m68k/m68k.md (*movsi_cfv4): Fold into...
4380         (*movsi_cf): ...here.  Remove unnecessary 'R' from 'Rg'.
4381         Add commentary.
4383 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
4385         * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
4386         and return a bool.
4387         (output_move_const_into_data_reg, output_move_simode_const): Delete.
4388         * config/m68k/m68k.c (const_method, const_int_cost): Take a
4389         HOST_WIDE_INT instead of an rtx.
4390         (m68k_rtx_costs): Update call accordingly.
4391         (output_move_const_into_data_reg): Likewise.  Fix formatting.
4392         (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
4393         Return a bool.
4394         (output_move_simode_const): Update calls after above changes.
4395         Rework to use automatic variables and predicates like MEM_P.
4396         * config/m68k/m68k.md (pushexthisi_const): Update call to
4397         valid_mov3q_const.
4399 2007-01-19  Dirk Mueller  <dmueller@suse.de>
4401         * tree-ssa-alias.c (perform_var_substitution): Fix typo
4402         in dump_flags test.
4404 2007-01-19  Richard Guenther  <rguenther@suse.de>
4406         * builtins.c (expand_builtin_cexpi): Fall back to expanding
4407         via cexp in case sincos is not available.
4409 2007-01-19  Richard Guenther  <rguenther@suse.de>
4411         * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
4412         * defaults.h (TARGET_HAS_SINCOS): Default to off.
4413         * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
4414         * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
4415         * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
4416         * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
4417         * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
4418         * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
4420 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
4422         * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
4423         New insn patterns.
4424         (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
4425         (atan2xf3): Directly generate RTL pattern.
4426         (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
4427         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
4428         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
4429         disable patterns for SSE math.
4430         (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
4431         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
4432         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
4433         disable patterns for SSE math.
4435 2007-01-19  Alexandre Oliva  <aoliva@redhat.com>
4437         * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
4439 2007-01-18  Roger Sayle  <roger@eyesopen.com>
4441         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
4442         VIEW_CONVERT_EXPR to the same type as it's operand.
4444 2007-01-18  David Edelsohn  <edelsohn@gnu.org>
4446         * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
4447         configured for long double 128.
4449 2007-01-18  Mike Stump  <mrs@apple.com>
4451         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
4452         error.
4454 2007-01-18  Michael Meissner  <michael.meissner@amd.com>
4456         * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
4457         type correct.
4459 2007-01-18  Jan Hubicka  <jh@suse.cz>
4461         * tree-ssa-operands.c (vop_free_bucket_size): Never return value
4462         greater than NUM_VOP_FREE_BUCKETS.
4464 2007-01-18  Daniel Berlin  <dberlin@dberlin.org>
4466         * tree-ssa-structalias.c: Update comments.
4467         (ptabitmap_obstack): Removed.
4468         (pta_obstack): New.
4469         (oldpta_obstack): Ditto.
4470         (stats): Add a few members.
4471         (struct variable_info): Remove node, complex, address_taken, and
4472         indirect_target members. Add oldsolution member.
4473         (new_var_info): Do not initialize removed members.
4474         (constraint_expr_type): Remove INCLUDES.
4475         (constraint_graph): Add size, implicit_preds, rep,
4476         indirect_cycles, eq_rep, label, direct_nodes, and complex members.
4477         (FIRST_REF_NODE): New macro.
4478         (LAST_REF_NODE): Ditto.
4479         (FIRST_ADDR_NODE): Ditto.
4480         (find): New function.
4481         (unite): Ditto.
4482         (dump_constraint): Do not handle INCLUDES.
4483         (insert_into_complex): Do not insert duplicate constraints.
4484         (condense_varmap_nodes): Renamed and rewritten into ...
4485         (merge_node_constraints): This. Also fix bug in handling of
4486         offseted copy constraints.
4487         (clear_edges_for_node): No longer need to deal with preds at all,
4488         or removing associated preds/succs.
4489         (merge_graph_nodes): Deal with indirect_cycles.
4490         Don't deal with predecessors.
4491         (add_implicit_graph_edge): New function.
4492         (add_pred_graph_edge): Ditto.
4493         (add_graph_edge): Don't deal with predecessors.
4494         (build_constraint_graph): Removed.
4495         (build_pred_graph): New function.
4496         (build_succ_graph): Ditto.
4497         (struct scc_info): Removed in_component. Added roots, dfs, and
4498         node_mapping. Remove visited_index, unification_queue.
4499         (scc_visit): Deal with union-find we do now.
4500         Deal with cycles with REF nodes.
4501         (collapse_nodes): Renamed and rewritten to ...
4502         (unify_nodes): This.
4503         (process_unification_queue): Removed.
4504         (topo_visit): Cleanup
4505         (do_da_constraint): Use find.
4506         (do_sd_constraint): Ditto.
4507         (do_ds_constraint): Ditto.
4508         (do_complex_constraint): Ditto.
4509         (init_scc_info): Update for removed and added members.
4510         (find_and_collapse_graph_cycles): Renamed and rewritten into ...
4511         (find_indirect_cycles): This.
4512         (equivalence_class): New variable.
4513         (label_visit): New function.
4514         (perform_variable_substitution): Rewritten.
4515         (free_var_substitution_info): New function.
4516         (find_equivalent_node): Ditto.
4517         (move_complex_constraints): Ditto.
4518         (eliminate_indirect_cycles): Ditto.
4519         (solve_graph): Only propagate changed bits.
4520         Use indirect cycle elimination.
4521         Use find.
4522         (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
4523         (tree_id_eq): Renamed to ...
4524         (tree_vi_eq): This. Update for member change
4525         (insert_id_for_tree): Renamed and rewritten to ...
4526         (insert_vi_for_tree): This.
4527         (lookup_id_for_tree): Renamed and rewritten to ...
4528         (lookup_vi_for_tree): This.
4529         (get_id_for_tree): Renamed and rewritten to ...
4530         (get_vi_for_tree): Ditto.
4531         (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
4532         (process_constraint): Don't handle INCLUDES.
4533         Remove special ADDRESSOF case.
4534         (find_func_aliases): Rewrite to use vi functions instead of id
4535         ones.
4536         (create_function_info_for): Ditto.
4537         (create_variable_info_for): Ditto.
4538         (intra_create_variable_infos): Ditto.
4539         (merge_smts_into): Ditto.
4540         (find_what_p_points_to): Ditto.
4541         (init_base_vars): Ditto.
4542         (init_alias_vars): Ditto.
4543         (remove_preds_and_fake_succs): New function.
4544         (dump_sa_points_to_info): Dump new stats.
4545         (dump_solution_for_var): Use find.
4546         (set_used_smts): Fix formatting.
4547         (compute_points_to_sets): Updated for new functions.
4548         (ipa_pta_execute): Ditto.
4550 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
4551             Richard Sandiford  <richard@codesourcery.com>
4553         * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
4554         parallels.
4555         * calls.c (expand_call): If the return value is a PARALLEL,
4556         extract its first member.
4557         * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
4558         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
4559         use FUNCTION_EXTRA_EPILOGUE.
4560         (m68k_function_value): Return a PARALLEL if the return value
4561         is of a pointer type.
4562         * config/m68k/netbsd-elf.h (current_function_returns_pointer)
4563         (FUNCTION_EXTRA_EPILOGUE): Remove.
4564         * config/m68k/m68k.md (D0_REG): New constant.
4566 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
4568         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
4569         output a NOP for empty epilogues.
4571 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4573         * config/m68k/m68k.c (m68k_use_return_insn): Update comments
4574         before function.  Extend register save check to include all
4575         registers, not just integer ones.
4577 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
4579         * config/m68k/m68k-protos.h (use_return_insn): Rename to...
4580         (m68k_use_return_insn): ...this.
4581         * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
4582         * config/m68k/m68k.c (use_return_insn): Rename to...
4583         (m68k_use_return_insn): ...this.
4584         * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
4585         of USE_RETURN_INSN.
4587 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
4589         * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
4590         nearest even, fix denormal rounding overflow.
4592 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4594         * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
4595         f%$smove and f%$move.
4596         (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
4597         (extendsfdf2_cf): Use fdmove instead of f%&move.
4598         (truncdfsf2_cf): Use fsmove instead of f%$smove.
4599         (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
4601 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4603         * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
4604         GPR<-GPR moves.
4606 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4608         * real.h (real_format): Add a canonical_nan_lsbs_set field.
4609         (coldfire_single_format): Declare.
4610         (coldfire_double_format): Likewise.
4611         * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
4612         of qnan_msb_set to determine the lower bits of a canonical
4613         NaN significand.
4614         (encode_ieee_double): Likewise.
4615         (encode_ieee_quad): Likewise.
4616         (ieee_single_format): Initialize canonical_nan_lsbs_set.
4617         (mips_single_format): Likewise.
4618         (ieee_double_format): Likewise.
4619         (mips_double_format): Likewise.
4620         (ieee_extended_motorola_format): Likewise.
4621         (ieee_extended_intel_96_format): Likewise.
4622         (ieee_extended_intel_128_format): Likewise.
4623         (ieee_extended_intel_96_round_53_format): Likewise.
4624         (ibm_extended_format): Likewise.
4625         (mips_extended_format): Likewise.
4626         (ieee_quad_format): Likewise.
4627         (mips_quad_format): Likewise.
4628         (vax_f_format): Likewise.
4629         (vax_d_format): Likewise.
4630         (vax_g_format): Likewise.
4631         (i370_single_format): Likewise.
4632         (i370_double_format): Likewise.
4633         (decimal_single_format): Likewise.
4634         (decimal_double_format): Likewise.
4635         (decimal_quad_format): Likewise.
4636         (c4x_single_format): Likewise.
4637         (c4x_extended_format): Likewise.
4638         (real_internal_format): Likewise.
4639         (coldfire_single_format): New real_format.
4640         (coldfire_double_format): Likewise.
4641         * config/pdp11/pdp11.c (pdp11_f_format): Initialize
4642         canonical_nan_lsbs_set.
4643         (pdp11_d_format): Likewise.
4644         * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
4645         if TARGET_COLDFIRE_CPU.
4647 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4649         * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
4650         (output_call, m68k_legitimize_call_address): Declare.
4651         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
4652         parenthesees.  Add support for a 'W' constraint.
4653         (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
4654         (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
4655         (m68k_symbolic_call, m68k_symbolic_jump): Declare.
4656         * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
4657         variables.
4658         (override_options): Initialize them.  Do not set flag_no_function_cse
4659         for TARGET_ID_SHARED_LIBRARY.
4660         (m68k_output_pic_call): Delete.
4661         (m68k_legitimize_call_address): New function.
4662         (print_operand): Remove the %o prefix.  Handle the %p prefix.
4663         (output_call): New function.
4664         (m68k_output_mi_thunk): Use m68k_symbolic_jump.  Always load the
4665         target address from the GOT if symbolic jumps are not allowed.
4666         * config/m68k/m68k.md (call, general_operand): Do not set
4667         SYMBOL_REF_FLAG.  Use m68k_legitimize_call_address instead.
4668         Merge separate flag_pic and !flag_pic define_insns into...
4669         (*call, *call_value): ...these new patterns.  Match the address
4670         rather than the containing MEM and require it to be a call_operand.
4671         Use output_call to generate the asm template.
4672         * config/m68k/predicates.md (const_call_operand): New predicate.
4673         (call_operand): Likewise.
4675 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
4677         * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
4678         (STACK_GROWS_DOWNWARD): Define to 1.
4679         (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
4680         comments, emphasizing that these values are only defaults.
4681         * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
4682         * config/m68k/m68k.c (const_method): Remove trailing whitespace.
4684 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4686         * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
4688 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
4689             Richard Sandiford  <richard@codesourcery.com>
4691         * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
4692         (FP_REGNO_P): New macros.
4693         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
4694         (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
4695         (EH_RETURN_STACKADJ_RTX): Use A0_REG.
4696         * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
4698 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
4700         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
4701         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
4702         to $tmake_file.
4703         * config/m68k/t-floatlib: New file, extracting common code from...
4704         * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
4705         * config/m68k/t-uclinux: Here.
4706         * config/m68k/fpgnulib.c: Do not compile extendeed precision
4707         routines on ColdFire targets.
4709 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
4711         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
4712         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
4713         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
4714         (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
4715         explicitly set MOTOROLA to 1.
4716         * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
4718 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4719             Nathan Sidwell  <nathan@codesourcery.com>
4721         * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
4722         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
4723         * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
4724         * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
4725         * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
4726         * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
4727         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
4728         (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
4729         (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
4730         * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
4731         * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
4732         (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
4733         (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
4734         (DBX_REGISTER_NUMBER): Delete.
4735         * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
4736         (PCC_STATIC_STRUCT_RETURN): Don't undefine.
4737         * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
4739 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4741         * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
4742         * config/flat.h: New file.
4743         * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
4744         OBJECT_FORMAT_FLAT.
4745         * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
4746         indirect references for -msep-data or -mid-shared-library.
4747         Do not use PC-relative code addresses either.
4748         * config/m68k/m68k.c (override_options): Restrict -fPIC error
4749         to -mpcrel.
4750         * config/m68k/uclinux.h (STARTFILE_SPEC): Define.  Use Scrt1.o
4751         for shared libraries and crt1.o for executables.  Use crti.o and
4752         crtbegin.o.
4753         (ENDFILE_SPEC): Use crtend.o and crtn.o.
4754         (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
4755         Do not add -elf2flt or -shared-lib-id options here.
4756         (LINK_SPEC): Define.  Pass -elf2flt if no -elf2flt option is given.
4757         Pass -shared-lib-id if -mid-shared-library, taking the library
4758         identifier from -mshared-library-id if given, otherwise
4759         defaulting to 0.
4760         (EH_FRAME_IN_DATA_SECTION): Do not undefine.
4761         (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
4762         (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
4763         and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
4764         (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
4765         * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
4766         and crtend.o.
4767         * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
4768         jump sequence for ISA A and ISA A+.
4769         (PICJUMP): Likewise.
4771 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4773         * config.gcc (m68k-*-uclinux*): Base the port on the common
4774         and m68k GNU/Linux files rather than on the generic ELF ones.
4775         * config/m68k/uclinux.h (TARGET_VERSION): Override.
4776         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
4778 2007-01-18  Julian Brown  <julian@codesourcery.com>
4779             Richard Sandiford  <richard@codesourcery.com>
4781         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
4782         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
4783         * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
4784         before redefining.
4785         * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
4786         80 unconditionally.
4787         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
4789 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4791         * doc/install.texi: Document m68k-uclinuxoldabi.
4792         * config.gcc (m68k-*-uclinuxoldabi): New configuration.
4793         * config/m68k/uclinux-oldabi.h: New file, copied from
4794         config/m68k/uclinux.h.
4796 2007-01-18  Kaz Kojima  <kkojima@rr.iij4u.or.jp>
4798         * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
4799         * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
4800         (m32r_compute_frame_size): Use unsigned for regno.
4801         (m32r_reload_lr): Use gen_frame_mem.
4802         (pop): New.
4803         (m32r_output_function_epilogue): Don't output the function epilogue
4804         textually here.
4805         (m32r_expand_epilogue): New.
4806         (direct_return): Return false if the function has the interrupt
4807         attribute.
4808         (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
4809         * config/m32r/m32r.md (epilogue): New expander.
4810         (return_lr, return_rte): New insns.
4811         (return): Make it expander.
4812         (return_normal): New expander.
4814 2007-01-18  Josh Conner  <jconner@apple.com>
4816         PR target/30485
4817         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
4818         support for UNLE, UNLT, UNGE, and UNGT.
4820 2007-01-18  Jan Hubicka  <jh@suse.cz>
4822         * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
4823         * tree-tailcall (add_virtual_phis): Likewise.
4824         (optimize_tail_call): Return TODOs.
4825         (execute_tail_calls): Return TODOs.
4826         * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
4827         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
4828         changed.
4829         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
4830         Cleanup cfg using TODO.
4831         * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
4832         * passes.c (execute_function_todo): When cleanup did something, remove
4833         unused locals.
4834         * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
4835         (make_edges): Don't cleanup_cfg.
4837 2007-01-18  Uros Bizjak  <ubizjak@gmail.com>
4839         * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
4840         UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
4841         operate on the top of stack.
4842         [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
4843         register handling of instructions that output to the second
4844         stack slot.
4845         [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
4846         (move_for_stack_reg): Special-case check for dead destination
4847         stack slot for constant load of 1.0 inside UNSPEC_TAN.
4849         * config/i386/i386.md (UNSPEC_TAN): New constant.
4850         (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
4851         (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
4852         to correctly model move of constant 1.0 to top stack slot.
4853         (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
4854         (unnamed peephole2 pattern): Remove corresponding peephole2
4855         pattern that optimizes tan insn and loading of constant 1.0.
4856         (tanxf2): Use fptanxf4_i387.
4857         (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
4858         patterns using X87MODEF12 mode macro.  Use fptan_extend<mode>xf4_i387
4859         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
4860         disable patterns for SSE math.
4861         (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
4862         (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
4864 2007-01-18  Dirk Mueller  <dmueller@suse.de>
4865             Richard Guenther <rguenther@suse.de>
4867         PR diagnostic/8268
4868         * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
4869         * common.opt (Warray-bounds): Add new warning option.
4870         * c-opts.c (c_common_handle_option): Define -Warray-bounds
4871         if -Wall is given.
4872         * Makefile.in: make tree-vrp.o depend on toplev.h
4873         * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
4874         is enabled.
4875         (check_array_refs, check_array_bounds, check_array_ref): New.
4877 2007-01-18  Jan Hubicka  <jh@suse.cz>
4879         * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
4880         (execute_ssa_ccp): Return flags conditionally.
4881         * tree-ssa-propagate.c (substitue_and_fold): Return if something was
4882         changed.
4883         * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
4885 2007-01-18  Steven Bosscher  <steven@gcc.gnu.org>
4887         * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
4888         the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
4890         * Makefile.c (GTFILES): Add cfglayout.h.
4891         * gengtype.c (open_base_files): Likewise.
4892         * cfglayout.c (cfg_layout_function_footer,
4893         cfg_layout_function_header) Reindent to make gengtype happy.
4894         * cfglayout.h (cfg_layout_function_footer,
4895         cfg_layout_function_header): Add GTY(()) marker.
4897         * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
4899 2007-01-18  Ben Elliston  <bje@au.ibm.com>
4901         * genautomata.c (write_automata): Include xstrerror output in the
4902         error message if writing the DFA description file fails.
4904 2007-01-17  H.J. Lu  <hongjiu.lu@intel.com>
4906         * config/mips/mips-protos.h (mips_output_external): Make it
4907         return void.
4908         * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
4909         * config/mips/mips.c (irix_output_external_libcall): Likewise.
4910         (extern_list): Likewise.
4911         (extern_head): Likewise.
4912         (TARGET_ASM_FILE_END): Likewise.
4913         (mips_file_end): Likewise.
4914         (mips_output_external): Rewritten.
4916 2007-01-18  Ben Elliston  <bje@au.ibm.com>
4918         * genpreds.c (write_insn_preds_c): Only write out the function
4919         body for regclass_for_constraint if we have register constraints.
4921 2007-01-17  Tom Tromey  <tromey@redhat.com>
4923         * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
4924         * doc/install.texi (Testing): Use sourceware.org.
4925         (Binaries): Likewise.
4926         (Specific): Likewise.
4927         * doc/contrib.texi (Contributors): Use sourceware.org.
4929 2007-01-17  Anatoly Sokolov <aesok@post.ru>
4931         * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
4932         (AVR_ENHANCED): Rename to ...
4933         (AVR_HAVE_MUL): ... new.
4934         (avr_enhanced_p): Rename to ...
4935         (avr_have_mul_p): ... new.
4936         (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of
4937         'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
4938         * config/avr/avr.c (avr_enhanced_p): Rename to ...
4939         (avr_have_mul_p): ... new.
4940         (base_arch_s): Rename 'enhanced' to 'have_mul'.
4941         (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
4942         'avr_enhanced_p' and 'enhanced'.
4943         (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use
4944         AVR_HAVE_MUL instead of AVR_ENHANCED.
4945         * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
4946         (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3,
4947         *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL
4948         instead of AVR_ENHANCED.
4949         (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
4950         * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
4951         (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
4953 2007-01-17  Ian Lance Taylor  <iant@google.com>
4955         * vec.h (VEC_reserve_exact): Define.
4956         (vec_gc_p_reserve_exact): Declare.
4957         (vec_gc_o_reserve_exact): Declare.
4958         (vec_heap_p_reserve_exact): Declare.
4959         (vec_heap_o_reserve_exact): Declare.
4960         (VEC_OP (T,A,reserve_exact)): New static inline function, three
4961         versions.
4962         (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
4963         negative parameter.
4964         (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
4965         (VEC_OP (T,A,copy)) [all versions]: Likewise.
4966         (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
4967         * vec.c (calculate_allocation): Add exact parameter.  Change all
4968         callers.
4969         (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
4970         (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
4971         (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
4972         (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
4973         (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
4974         (vec_heap_p_reserve_exact): New function.
4975         (vec_heap_o_reserve_exact): New function.
4977 2007-01-17  Jan Hubicka  <jh@suse.cz>
4979         * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
4981 2007-01-17  Eric Christopher  <echristo@apple.com>
4983         * config.gcc: Support core2 processor.
4985 2007-01-16  Jan Hubicka  <jh@suse.cz>
4987         * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
4988         the names, just unlink the chain so we don't crash on dangling pointers
4989         to dead SSA names.
4991 2007-01-16  Jan Hubicka  <jh@suse.cz>
4993         * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
4994         * tree-pass.h: Reorder to make IPA passes appear toegher.
4995         (pass_early_inline, pass_inline_parameters, pass_apply_inline): Declare.
4996         * cgraphunit.c (cgraph_finalize_function): Do not compute inling
4997         parameters, do not call early inliner.
4998         * ipa-inline.c: Update comments.  Include tree-flow.h
4999         (cgraph_decide_inlining): Do not compute inlining parameters.
5000         (cgraph_decide_inlining_incrementally): Return TODOs; assume to
5001         be called with function context set up.
5002         (pass_ipa_inline): Remove unreachable functions before pass.
5003         (cgraph_early_inlining): Simplify assuming to be called from the
5004         PM as local pass.
5005         (pass_early_inline): New pass.
5006         (cgraph_gate_ipa_early_inlining): New gate.
5007         (pass_ipa_early_inline): Turn into simple wrapper.
5008         (compute_inline_parameters): New function.
5009         (gate_inline_passes): New gate.
5010         (pass_inline_parameters): New pass.
5011         (apply_inline): Move here from tree-optimize.c
5012         (pass_apply_inline): New pass.
5013         * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
5014         transforming.
5015         * tree-inline.c (optimize_inline_calls): Return TODOs rather than
5016         doing them by hand.
5017         (tree_function_versioning): Do not allocate dummy struct function.
5018         * tree-inline.h (optimize_inline_calls): Update prototype.
5019         * tree-optimize.c (execute_fixup_cfg): Export.
5020         (pass_fixup_cfg): Remove
5021         (tree_rest_of_compilation): Do not apply inlines.
5022         * tree-flow.h (execute_fixup_cfg): Declare.
5023         * Makefile.in (gt-passes.c): New.
5024         * passes.c: Include gt-passes.h
5025         (init_optimization_passes): New passes.
5026         (nnodes, order): New static vars.
5027         (do_per_function_toporder): New function.
5028         (execute_one_pass): Dump current pass here.
5029         (execute_ipa_pass_list): Don't dump current pass here.
5031 2007-01-16  Janis Johnson  <janis187@us.ibm.com>
5033         * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
5034         (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
5036 2007-01-16  David Edelsohn  <edelsohn@gnu.org>
5038         * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
5039         (strong_alias): Define.
5040         (__gcc_qmul): Provide non-FMA for soft-float.
5041         (__gcc_qdiv): Same.
5042         (__gcc_qneg): New.
5043         (__gcc_qeq): New.
5044         (__gcc_qle): New.
5045         (__gcc_qge): New.
5046         (__gcc_qunord): New.
5047         (__gcc_stoq): New.
5048         (__gcc_dtoq): New.
5049         (__gcc_qtos): New.
5050         (__gcc_qtod): New.
5051         (__gcc_qtoi): New.
5052         (__gcc_qtou): New.
5053         (__gcc_itoq): New.
5054         (__gcc_utoq): New.
5055         (fmsub): New.
5056         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
5057         soft-float functions.
5058         * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
5059         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
5060         about long double soft float.
5062 2007-01-16  Dorit Nuzman  <dorit@il.ibm.com>
5063             Tehila Meyzels  <tehila@il.ibm.com>
5065         * tree-vectorizer.h (is_pattern_stmt_p): New.
5066         * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
5067         formatting (tabs instead of spaces). Cleanup and clarify setting
5068         of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
5069         * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
5070         (vectorizable_type_demotion): Check that types are integral.
5071         (vectorizable_type_promotion): Likewise.
5072         (vectorizable_store): Fix typo.  Eliminate new-line at end of
5073         comments.
5075 2007-01-16  Jan Hubicka  <jh@suse.cz>
5077         * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
5078         cgraph edges too.
5080 2007-01-15  Eric Christopher  <echristo@apple.com>
5082         * ifcvt.c: Include vec.h, vecprim.h.
5083         (check_cond_move_block): New argument regs.
5084         Reorganize. Add registers used to regs.
5085         (cond_move_process_if_block): Use regs set above as
5086         loop bounds.
5088 2007-01-15  Eric Christopher  <echristo@apple.com>
5090         * config/darwin.h: Update copyright.
5091         (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
5092         (LINK_COMMAND_SPEC): Add -u.
5093         (LINK_SPEC): Fix umbrella for above.
5095 2007-01-15  Joseph S. Myers  <joseph@codesourcery.com>
5097         * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
5098         glibc CVS.
5100 2007-01-15  Tom Tromey  <tromey@redhat.com>
5102         * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
5103         * doc/install.texi (Testing): Don't mention jacks.
5104         (Configuration): Document --enable-java-maintainer-mode.  Move
5105         --with-java-home to libgcj-specific section.  Document
5106         --with-ecj-jar.
5107         (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
5109 2007-01-15  Jan Hubicka  <jh@suse.cz>
5111         * tree-ssa-dce.c (DCE_TODOs): New.
5112         (propagate_necessity): Return if something changed.
5113         (eliminate_unnecessary_stmts): Likewise.
5114         (perform_tree_ssa_dce): Return TODO flags when needed.
5115         (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
5117 2007-01-15  Uros Bizjak  <ubizjak@gmail.com>
5119         * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
5120         (fyl2x_extend<mode>xf3_i387): New insn pattern.
5121         (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
5122         patterns using X87MODEF12 mode macro.  Extend operand 1
5123         to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
5124         (log10<mode>2): Ditto.
5125         (log2<mode>2): Ditto.
5126         (log1p<mode>2): Ditto.
5127         (logb<mode>2): Ditto.
5128         (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
5129         (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
5130         (*fxtractxf3_i387): Rename from *fxtractxf3.
5131         (fxtract_extend<mode>xf3_i387): New insn pattern.
5132         (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
5133         * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
5134         and gen_fyl2xxf3_i387().
5136 2007-01-14  Zdenek Dvorak <dvorakz@suse.cz>
5138         * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
5139         * cfgloopmanip.c (fix_loop_placement): Made static.  Use
5140         get_loop_exit_edges.  Changed return type to bool.
5141         * cfgloop.h (fix_loop_placement): Declaration removed.
5143 2007-01-14  Dorit Nuzman  <dorit@il.ibm.com>
5145         * param.h (MIN_VECT_LOOP_BOUND): New.
5146         * params.def (MIN_VECT_LOOP_BOUND): New.
5147         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
5148         argument - minimum threshold for number of iterations.
5149         * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
5150         argument to declaration.
5151         * tree-vect-analyze.c (vect_analyze_operations): Check value of
5152         MIN_VECT_LOOP_BOUND.
5153         * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
5154         slpeel_tree_peel_loop_to_edge with additional argument.
5155         (vect_do_peeling_for_alignment): Likewise.
5156         * doc/invoke.texi (min-vect-loop-bound): Document new param option.
5158 2007-01-14  Uros Bizjak  <ubizjak@gmail.com>
5160         PR target/30413
5161         * config/i386/i386.c (print_operand) ['z']: Output 'b' for
5162         operands of size 1.
5164 2007-01-14  Jan Hubicka  <jh@suse.cz>
5166         * tree-dfa.c (remove_referenced_var): New function.
5167         * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
5168         prune referenced vars list too.
5169         * tree-flow.h (remove_referenced_var): Declare.
5171 2007-01-14  Jan Hubicka  <jh@suse.cz>
5173         * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
5174         separately.
5175         (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
5176         (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
5177         * except.h (verify_eh_throw_table_statements): Kill prototype.
5178         * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
5179         into call exrepssions.
5180         * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
5181         eh trhow verifier.
5182         * tree-cfg.c: Include pointer-set.h.
5183         (verify_node_sharing): Work on pointer set.
5184         (verify_eh_throw_stmt_node): New.
5185         (verify_stmts): Use pointers sets, verify throw_stmt.
5187 2007-01-13  Zdenek Dvorak <dvorakz@suse.cz>
5189         * ipa-reference.c (analyze_function): Consider also addresses taken
5190         in phi nodes.
5192 2007-01-12  Roger Sayle  <roger@eyesopen.com>
5194         * c-typeck.c (null_pointer_constant_p): Replace use of
5195         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
5196         (build_c_cast): Likewise.
5198 2007-01-12  Roger Sayle  <roger@eyesopen.com>
5200         * tree.h (force_fit_type_double): Remove unused final argument.
5201         * c-common.c (constant_expression_warning): Replace use of
5202         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
5203         (convert_and_check): Likewise.
5204         (shorten_compare): Update call to force_fit_type_double.
5205         (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
5206         * convert.c (convert_to_pointer): Update call to
5207         force_fit_type_double.
5208         * fold-const.c (force_fit_type_double): Remove overflowed_const
5209         argument.
5210         (int_const_binop, fold_convert_const_int_from_int,
5211         fold_convert_const_int_from_real, fold_div_compare,
5212         fold_sign_changed_comparison, fold_unary, fold_negate_const,
5213         fold_abs_const, fold_not_const): Remove the final argument from
5214         calls to force_fit_type_double.
5216 2007-01-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5218         * configure.ac: Set insn to "nop" for spu-*-* also.
5219         * configure: Regenerate.
5221 2007-01-12  Olga Golovanevsky  <olga@il.ibm.com>
5223         * builtins.def : Add BUILT_IN_FREE.
5225 2007-01-12  Jan Hubicka  <jh@suse.cz>
5227         PR tree-optimization/30443
5228         * tree-inline.c (tree_function_versioning): Do not optimize when
5229         cloning for inlining.
5231 2007-01-12  Zdenek Dvorak <dvorakz@suse.cz>
5233         * doc/loop.texi: Document recording of loop exits.
5234         * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
5235         (update_single_exits_after_duplication,
5236         update_single_exit_for_duplicated_loop,
5237         update_single_exit_for_duplicated_loops): Removed.
5238         (duplicate_loop_to_header_edge): Do not call
5239         update_single_exits_after_duplication and
5240         update_single_exit_for_duplicated_loops.
5241         (loop_version): Do not update single_exit information.
5242         (fix_loop_structure): Use record_loop_exits instead of
5243         mark_single_exit_loops.
5244         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
5245         the lists of loop exits.
5246         * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
5247         split_edge, merge_blocks): Update the lists of loop exits.
5248         * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
5249         loop_optimizer_init.
5250         * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
5251         of mark_single_exit_loops.
5252         (loop_optimizer_finalize): Call release_recorded_exits.
5253         * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
5254         LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
5255         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
5256         update single exit information.
5257         * lambda-code.c (perfect_nestify): Ditto.
5258         * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
5259         (mark_single_exit_loops): Removed.
5260         (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
5261         get_exit_descriptions, rescan_loop_exit, record_loop_exits,
5262         dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
5263         functions.
5264         (get_loop_exit_edges, single_exit): Use recorded exit lists.
5265         (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
5266         (verify_loop_structure): Verify consistency of the exit lists.
5267         (flow_loops_find): Use alloc_loop.  Initialize exits hash.
5268         (set_single_exit): Removed.
5269         * cfgloop.h (struct loop_exit): New function.
5270         (struct loop): single_exit_ field replaced by exits field.
5271         (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
5272         (struct loops): Added exits hash.
5273         (mark_single_exit_loops, set_single_exit): Declaration removed.
5274         (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
5276 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
5278         * doc/invoke.texi: Avoid use of @headitem.
5280 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
5282         * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
5284 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
5286         * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
5287         list of targets.
5289 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
5290             Richard Sandiford  <richard@codesourcery.com>
5292         * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
5293         * config/m68k/m68k.opt: Resort options.
5294         (mbitfield, mrtd, mshort): Remove RejectNegative properties.
5296 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
5297             Richard Sandiford  <richard@codesourcery.com>
5299         * doc/invoke.texi: Document the macros that are defined by
5300         m68k's -mtune and -mhard-float options.
5301         * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
5302         (m68k_cpp_cpu_family): Likewise.
5303         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
5304         of __ucfv*__ macros.  Define __mcffpu__ if generating code for
5305         ColdFire FPUs.  Define __mcf_cpu_* and __mcf_family_* macros.
5306         * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
5307         (m68k_cpp_cpu_family): Likewise.
5309 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
5311         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
5312         macros besides mc68000 as tuning macros.  Use a switch statement
5313         to set them and mcpu32.
5315 2007-01-12  Julian Brown  <julian@codesourcery.com>
5317         * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
5318         (TARGET_68040_ONLY): Rename to...
5319         (TARGET_68040): ...this.
5320         * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
5321         * config/m68k/m68k.md: Likewise.
5323 2007-01-12  Julian Brown  <julian@codesourcery.com>
5324             Nathan Sidwell  <nathan@codesourcery.com>
5325             Richard Sandiford  <richard@codesourcery.com>
5327         * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
5328         the -mcpu= argument associated with the --with-cpu setting.
5329         Define M68K_DEFAULT_TUNE to the default -mtune= option,
5330         if different from the one implied by the -mcpu setting.
5331         Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
5332         using mcpu=FOO as the default CPU option.  Set target_cpu_default2.
5333         * doc/invoke.texi: Mention ColdFire in the introduction to the
5334         m68k options.  Document the new -march, -mcpu, -mtune, -mdiv,
5335         -mno-div and -mhard-float options.  Make -m68881 a synonym for
5336         -mhard-float.  Document the previously-undocumented -m5206e,
5337         -m528x, -m5307 and -m5407 options.  Tweak the existing option
5338         documentation for consistency.
5339         * doc/install.texi: Mention new --with-cpu arguments.
5340         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
5341         default CPU if neither -mcpu nor -march are specified.
5342         (ASM_CPU_SPEC): Pass down -mcpu and -march options.
5343         (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
5344         TARGET_ISA*.  Set the legacy __mcf*__ cpu macros in the same way,
5345         using m68k_tune to decide between families that implement the
5346         same ISA.  Use m68k_tune to set __mcfv4e__.
5347         (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
5348         (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
5349         (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
5350         (FL_ISA_C, FL_ISA_MMU): New macros.
5351         (MASK_COLDFIRE): Delete.
5352         (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
5353         (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
5354         (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
5355         (TARGET_HARD_FLOAT): Do not define here.
5356         (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
5357         (TUNE_68000): New macro.
5358         (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
5359         (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
5360         (TUNE_CFV2): Redefine in terms of m68k_tune.
5361         (uarch_type, target_device, fpu_type): New enums.
5362         (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
5363         * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
5364         (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
5365         (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
5366         (FL_FOR_isa_c): New macros.
5367         (m68k_isa): New enum.
5368         (m68k_target_selection): New structure.
5369         (all_devices, all_isas, all_microarchs): New tables.
5370         (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
5371         (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
5372         (MASK_ALL_CPU_BITS): Delete.
5373         (m68k_find_selection): New function.
5374         (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
5375         Map the legacy target options to a combination of the new ones.
5376         (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
5377         m68k_cpu_flags.  Handle M68K_DEFAULT_TUNE.  Use m68k_cpu_flags
5378         to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
5379         settings.
5380         * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
5381         (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
5382         properties.
5383         (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
5384         (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
5385         * config/m68k/m68k-devices.def: New file.
5387 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
5388             Nathan Sidwell  <nathan@codesourcery.com>
5390         * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
5391         (SUBTARGET_EXTRA_SPECS): New macros.
5392         * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
5393         use %(asm_cpu_spec) instead.
5394         * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
5395         * config/m68k/openbsd.h (ASM_SPEC): Likewise.
5396         * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
5397         (EXTRA_SPECS): Rename to...
5398         (SUBTARGET_EXTRA_SPECS): ...this.
5400 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
5401             Richard Sandiford  <richard@codesourcery.com>
5402             Julian Brown  <julian@codesourcery.com>
5404         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
5405         (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
5406         to the configuration's default CPU.
5407         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
5408         Remove default masks.
5409         (m680[012]0-*-*): Set the default with_cpu to the first part of
5410         the target name.
5411         (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
5412         (m68k*-*-linux): Extend the --with-cpu handling to...
5413         (m680[012]0-*-*, m68k*-*-*): ...these configurations.  Allow m68000
5414         and m68010.  Don't set target_cpu_default2.
5415         * doc/install.texi: Document --with-cpu for m68k.
5416         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
5417         * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
5418         (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
5419         (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
5420         (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
5421         (ASM_SPEC): Remove use of %(asm_cpu_default).
5422         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
5423         * config/m68k/linux.h (TARGET_DEFAULT): Delete.
5424         (CPP_SPEC): Merge definitions.  Do not handle __HAVE_68881__ here.
5425         * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
5426         __HAVE_FPU__ if TARGET_HARD_FLOAT.
5427         (TARGET_DEFAULT): Delete.
5428         (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
5429         cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
5430         (CPP_CPU_SPEC): Delete.
5431         (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
5432         the appropriate string.
5433         (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
5434         (CPP_SPEC): Define to NETBSD_CPP_SPEC.
5435         (ASM_SPEC): Don't use %(asm_default_spec).
5436         * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
5437         TARGET_DEFAULT and add MASK_68881.
5438         * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
5440 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
5442         * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
5443         (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
5444         MASK_68010 alongside MASK_68020.
5445         * doc/invoke.texi: Document -m68010.
5446         * config/m68k/m68k.opt (m68010): New.
5447         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
5448         if TUNE_68010.
5449         (TUNE_68010): New macro.
5450         * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
5451         (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
5452         (M68K_CPU_m68332): Add MASK_68010.
5453         * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
5454         fallback definition.
5455         * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
5456         defines.
5457         * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
5458         (m68k_handle_option): Handle OPT_m68010.  Add MASK_68010
5459         to all entries that use MASK_68020.
5460         (output_move_simode_const, output_move_himode, output_move_qimode)
5461         (output_move_stricthi, output_move_strictqi): Use TARGET_68010
5462         instead of TARGET_68020 to select clr behavior.  Remove comment
5463         about there being no TARGET_68010.
5464         * config/m68k/m68k.md: Likewise throughout.
5466 2007-01-12  Julian Brown  <julian@codesourcery.com>
5468         * config/m68k/m68k.h (TARGET_ISAB): New macro.
5469         * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
5470         * config/m68k/m68k.md: Likewise.
5472 2007-01-12  Julian Brown  <julian@codesourcery.com>
5474         * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
5475         TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
5477 2007-01-12  Julian Brown  <julian@codesourcery.com>
5479         * config/m68k/m68k.h (TUNE_68040_60): New macro.
5480         * config/m68k/m68k.c (standard_68881_constant_p): Use it.
5481         * config/m68k/m68k.md: Likewise.
5483 2007-01-12  Julian Brown  <julian@codesourcery.com>
5484             Richard Sandiford  <richard@codesourcery.com>
5486         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
5487         instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
5488         TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
5489         TARGET_CPU32.
5490         (TARGET_CPU32): Rename to...
5491         (TUNE_CPU32): ...this.
5492         (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
5493         (TUNE_CFV2): New macros.
5494         * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
5495         remove conditions that are implied by TARGET_68020.
5496         * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
5497         instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
5498         (m68k_output_function_epilogue): Likewise.
5499         (m68k_rtx_costs): Likewise.  Use TUNE_68060 instead of TARGET_68060
5500         and TUNE_CFV2 instead of TARGET_5200.  Use TUNE_68000_10 instead of
5501         "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
5502         non-68000 timings.  Refactor multiplication and division costs.
5503         (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
5504         TUNE_CPU32 instead of TARGET_CPU32.
5505         (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
5506         and TUNE_68060 instead of TARGET_68060.
5507         * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
5508         TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
5509         TARGET_CPU32.
5510         (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
5511         && !TARGET_COLDFIRE" to choose between moveq and clr.
5512         Likewise in the unnamed movsf pattern.
5513         (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
5514         "!TARGET_68020 && !TARGET_COLDFIRE".  Likewise the unnamed
5515         ashiftrt pattern.
5517 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
5519         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
5520         of tabbing before backslashes.
5522 2007-01-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5524         * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
5525         * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
5526         (ASM_OUTPUT_INTERNAL_LABEL): Define.
5528 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
5530         * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
5531         find_interesting_uses_cond.
5532         (find_interesting_uses_cond): Use extract_cond_operands.
5533         (rewrite_use_compare): Use extract_cond_operands and
5534         force_gimple_operand_bsi.  Do not call update_stmt.
5535         (determine_use_iv_cost_condition): Use extract_cond_operands.
5536         Return cheaper of using original bound and changing the exit bound.
5538 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
5540         PR tree-optimization/29516
5541         * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
5542         most_expensive_mult_to_index, addr_to_parts,
5543         create_mem_ref, maybe_fold_tmr): Make the type of
5544         fields of TARGET_MEM_REF sizetype.
5545         (move_fixed_address_to_symbol, move_pointer_to_base):
5546         New functions.
5547         * tree.def (TARGET_MEM_REF): Add comment on types of
5548         the operands.
5550 2007-01-11  Joseph Myers  <joseph@codesourcery.com>
5552         * c-common.c (vector_types_convertible_p): Treat opaque types as
5553         always convertible if they have the same size, but not otherwise.
5555 2007-01-11  Steven Bosscher  <steven@gcc.gnu.org>
5557         * ifcvt.c (struct noce_if_info): Add comments to the fields.
5558         Remove the b_unconditional field.
5559         (noce_try_sign_mask): Do not look at b_unconditional.
5560         (noce_process_if_block): Do not use merge_if_blocks.  Update
5561         the CFG here.  Do not set b_unconditional.
5562         (cond_move_process_if_block): Likewise.
5563         (find_cond_trap): Likewise.
5564         (check_cond_move_block): Require simple jump insns at the end
5565         of the basic block.
5567 2007-01-11  Jan Hubicka  <jh@suse.cz>
5569         PR tree-optimization/1046
5570         * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
5571         when alias info is not ready.
5572         (pass_tail_recursion): Do not require aliasing.
5573         * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
5574         * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
5575         * tree-ssa-copy.c (pass_copy_prop): Likewise.
5576         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
5577         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
5578         * passes.c (init_optimization_passes): Execute rename_ssa_copies,
5579         ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
5580         before inlining.
5581         * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
5582         When aliasing is not build, mark statement as volatile.
5584 2007-01-11  Tom Tromey  <tromey@redhat.com>
5586         PR preprocessor/15185, PR preprocessor/20989:
5587         * doc/cppopts.texi <-MT>: Update description of algorithm for
5588         computing default target.
5589         <-M, -MD>: Reword "basename" text.
5591 2007-01-11  Roger Sayle  <roger@eyesopen.com>
5593         * builtins.c (expand_builtin_pow, expand_builtin_powi,
5594         fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
5595         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
5596         fold_builtin_int_int_roundingfn, fold_builtin_bitop,
5597         fold_builtin_bswap, real_constp, fold_builtin_pow,
5598         fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
5599         do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
5600         uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
5601         * convert.c (convert_to_pointer): Likewise.
5602         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
5603         * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
5604         const_binop, fold_convert_const_int_from_int,
5605         fold_convert_const_int_from_real,
5606         fold_convert_const_real_from_real, sign_bit_p,
5607         optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
5608         fold_sign_changed_comparison, fold_unary, fold_comparison,
5609         fold_binary, multiple_of_p, tree_Expr_non_zero_p,
5610         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
5611         * print-tree.c (print_node_brief, print_node): Likewise.
5612         * stor-layout.c (place_field, layout_type): Likewise.
5613         * tree-chrec.c (keep_cast): Likewise.
5614         * tree.c (build_vector, build_real, build_real_from_int_cst,
5615         build_complex): Likewise.
5617 2007-01-11  Roger Sayle  <roger@eyesopen.com>
5619         * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete.  For the time being,
5620         treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
5622 2007-01-11  Paolo Bonzini  <bonzini@gnu.org>
5624         * configure.ac (strict1_warn): Rename to strict_warn.
5625         (WERROR, --enable-werror, symlink hacks, stage1_cflags,
5626         cc_set_by_configure, quoted_cc_set_by_configure,
5627         stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
5628         all_boot_languages, all_stagestuff): Remove.
5629         (target_list): Remove bootstrap targets.
5630         * Makefile.in (quickstrap): Unconditionally make a synonym of all.
5631         (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
5632         REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
5633         SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
5634         VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
5635         STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
5636         stage1_copy, stage2_build, stage2_copy, stageprofile_build,
5637         stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
5638         stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
5639         bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
5640         bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
5641         unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
5642         restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
5643         cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
5644         *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
5645         stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
5646         stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
5647         risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
5648         (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
5649         (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
5650         (mostlyclean): Adjust.
5651         (clean, distclean): Don't mention bootstrap stuff.
5652         * configure: Regenerate.
5653         * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
5654         java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
5655         treelang/config-lang.in (stagestuff): Remove.
5656         * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
5657         stageprofile, stagefeedback, stagestuff): Remove mention.
5659 2007-01-11  Nick Clifton  <nickc@redhat.com>
5661         * config/mcore/predicates.md (mcore_general_movesrc_operand):
5662         Accept CONSTs.
5663         (mcore_general_movdst_operand): Do not accept CONST_INTs.
5664         (mcore_arith_K_S_operand): Run the test for the S constraint not
5665         the test for the M constraint.
5666         (mcore_addsub_operand): Do not accept integer values that are
5667         larger than 32 bits.
5668         * config/mcore/mcore.md: Remove unused constraints from split.
5669         (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
5670         (addsi3): Likewise.
5671         (allocate_stack): Likewise.
5672         * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
5673         operands to 32 bits.
5674         (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
5675         INTVAL.
5676         (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
5677         mcore_const_ok_for_inline, mcore_const_trick_uses_not,
5678         try_constant_tricks, mcore_num_ones, mcore_num_zeros,
5679         mcore_output_bclri, mcore_output_andn, output_inline_const,
5680         mcore_output_move, mcore_output_movedouble): Likewise.
5681         (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
5682         (output_inline_const): Likewise.
5683         (output_inline_const): Fix format strings used in sprintf
5684         statements.
5685         * config/mcore/mcore-protos.h: Update prototypes for changed
5686         functions in mcore.c.
5687         * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
5688         HOST_WIDE_INT and not int.
5689         (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
5690         CONST_OK_FOR_N): Likewise.
5691         (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
5692         (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
5693         an INTVAL.
5695 2007-01-10  Jan Hubicka  <jh@suse.cz>
5697         * tree-vrp.c (remove_range_assertions): Release defs.
5698         * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
5699         * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
5701 2007-01-10  Paul Brook  <paul@codesourcery.com>
5703         * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
5704         * config/arm/arm.md (mulsi3subsi): New insn.
5706 2007-01-10  Zdenek Dvorak <dvorakz@suse.cz>
5708         * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
5709         (tree_transform_and_unroll_loop): New.
5710         * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
5711         Declare.
5713 2007-01-10  Robert Kennedy <jimbob@google.com>
5715         * fold-const.c (fold_comparison): Fold comparisons like (x *
5716         1000 < 0) to (x < 0).
5718 2007-01-10  Ian Lance Taylor  <iant@google.com>
5720         * tree-pretty-print.c (dump_generic_node): Print parentheses when
5721         operands have the same priority.
5723 2007-01-10  Tom Tromey  <tromey@redhat.com>
5725         * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
5726         (fold_binary): Likewise.
5727         * langhooks.c (lhd_can_use_bit_fields_p): Removed.
5728         * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
5729         (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
5730         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
5731         * langhooks.h (struct lang_hooks): Removed field
5732         'can_use_bit_fields_p'.
5734 2007-01-10  Ralf Corsépius <ralf.corsepius@rtems.org>
5736         * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
5738 2007-01-10  Razya Ladelsky  <razya@il.ibm.com>
5740         * function.c (get_last_funcdef_no): New function.
5741         * function.h (get_last_funcdef_no): Declare.
5742         * tree-inline.c (initialize_cfun): Add initialization.
5743         (tree_function_versioning): Cleanup.
5745 2007-01-10  Jan Hubicka  <jh@suse.cz>
5747         * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
5748         PHIs.
5750 2007-01-10  Sa Liu  <saliu@de.ibm.com>
5751             Ben Elliston  <bje@au.ibm.com>
5753         * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
5754         for SAVE_NONLOCAL and Pmode for any other save level.
5755         * spu-protos.h (spu_restore_stack_block): Declare.
5756         * spu.md (save_stack_block): Remove.
5757         (restore_stack_block): Call spu_restore_stack_block.
5758         * spu.c (spu_restore_stack_block): New function.
5759         (spu_expand_epilogue): Remove old comment.
5761 2007-01-09  Zdenek Dvorak <dvorakz@suse.cz>
5763         PR tree-optimization/30322
5764         * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
5765         (cand_value_at): Return the value as aff_tree.
5766         (may_eliminate_iv): Convert the bound from aff_tree to tree.
5767         * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
5768         aff_combination_mult): New functions.
5769         (aff_combination_add): Use aff_combination_add_cst.
5770         (aff_combination_convert): Allow conversions to a wider type.
5771         (tree_to_aff_combination): Handle BIT_NOT_EXPR.
5772         * tree-affine.h (aff_combination_mult): Declare.
5774 2007-01-09  Carlos O'Donell  <carlos@codesourcery.com>
5776         * doc/tm.texi: Update documentation to reflect reality of exec
5777         and start file search behaviours. Update copyright year.
5778         * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
5779         header file directories.
5781 2007-01-09  Uros Bizjak  <ubizjak@gmail.com>
5783         * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
5784         (*cosxf2): Rename to cosxf2_i387.
5785         (*sindf2, *sinsf2): Extend operand 1 to XFmode.  Macroize patterns
5786         using X87MODEF12 mode macro. Rename patterns to
5787         *sin_extend<mode>xf2_i387.  Use SSE_FLOAT_MODE_P to disable patterns
5788         for SSE math.
5789         (*cosdf2, *cossf2): Ditto.
5790         (sincosdf3, sincossf3): Ditto.  Rewrite corresponding splitters
5791         to match extended input operands.
5792         (sincos<mode>3): New expander.
5793         (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
5794         insn patterns and corresponding splitters.
5796 2007-01-09  Kaz Kojima  <kkojima@gcc.gnu.org>
5798         * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
5799         (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
5801 2007-01-09  Nicolas Pitre  <nico@cam.org>
5803         PR target/30173
5804         * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
5806 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
5808         * target.h (struct gcc_target): New field library_rtti_comdat.
5809         * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
5810         (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
5811         * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
5812         * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
5814 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
5816         * doc/invoke.texi (Optimize Options): Correct description of -O0.
5818 2007-01-08  Richard Guenther  <rguenther@suse.de>
5820         * tree.h (force_fit_type_double): Export.
5821         (force_fit_type): Remove.
5822         * fold-const.c (force_fit_type_double): New function.
5823         (force_fit_type): Remove.
5824         (int_const_binop): Use it.
5825         (fold_convert_const_int_from_int): Likewise.
5826         (fold_convert_const_int_from_real): Likewise.
5827         (fold_div_compare): Likewise.
5828         (fold_sign_changed_comparison): Likewise.
5829         (fold_unary): Likewise.
5830         (fold_negate_const): Likewise.
5831         (fold_abs_const): Likewise.
5832         (fold_not_const): Likewise.
5833         * c-common.c (shorten_compare): Use force_fit_type_double.
5834         * convert.c (convert_to_pointer): Likewise.
5836 2007-01-08  Richard Guenther  <rguenther@suse.de>
5838         * tree.h (build_int_cst_wide_type): Export.
5839         * tree.c (build_int_cst_wide_type): New function.
5840         (build_int_cst_wide): Fix comment.
5841         * builtins.c (fold_builtin_object_size): Use build_int_cst
5842         to build -1 or 0 of the correct type.  Use fit_double_type
5843         to check for overflow.
5844         * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
5845         to build the mask.
5846         (decode_field_reference): Likewise.
5847         (all_ones_mask_p): Likewise.
5848         (native_interpret_int): Use build_int_cst_wide_type.
5849         (fold_binary): Use build_int_cst_type to build an all-ones
5850         value.
5851         * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
5853 2007-01-08  Daniel Jacobowitz  <dan@codesourcery.com>
5855         * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
5857 2007-01-09  Ben Elliston  <bje@au.ibm.com>
5859         * genautomata.c (STATS_OPTION): New option.
5860         (stats_flag): New flag.
5861         (gen_automata_option): Handle it.
5862         (initiate_automaton_gen): Ditto.
5863         (write_automata): Output statistics only if stats_flag is
5864         set. Likewise, output time statistics only if time_flag is set.
5865         * doc/md.texi (Processor pipeline description): Document new flag.
5867 2007-01-08  Richard Guenther  <rguenther@suse.de>
5869         * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
5870         * tree.c (build_int_cst_type): Likewise.
5871         (size_in_bytes): Don't call force_fit_type on the result.
5872         (int_fits_type_p): Use fit_double_type.
5873         * fold-const.c (fit_double_type): New function.
5874         (force_fit_type): Use it.
5875         * tree.h (fit_double_type): Export.
5877 2007-01-08  Jan Hubicka  <jh@suse.cz>
5879         * tree-vectorizer.c (gate_increase_alignment): Fix return type.
5880         * ipa.c (function_and_variable_visibility): Fix return type.
5882 2007-01-08  Richard Guenther  <rguenther@suse.de>
5884         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
5885         of offset to build the index.
5886         * tree-pretty-print.c (dump_generic_node): Don't build negated
5887         const just for printing.
5888         * c-pretty-print.c (pp_c_integer_constant): Likewise.
5889         * builtins.c (fold_builtin_int_roundingfn): Check if result
5890         fits the type by using force_fit_type and comparing the result.
5891         * predict.c (predict_loops): Use compare_tree_int for comparison.
5892         * tree.c (build_int_cst): Fall back to integer_type_node for
5893         NULL_TREE type.
5894         (build_int_cst_wide): Assert type is non-null.
5896 2007-01-08  Roberto Costa  <roberto.costa@st.com>
5898         * tree-vrp.c (extract_range_from_cond_expr): New.
5899         (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
5900         * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
5901         as expressions.
5902         (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
5903         * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
5904         tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
5905         used as expressions.
5906         * tree-object-size.c (cond_expr_object_size): New.
5907         (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
5909 2007-01-08  Jan Hubicka  <jh@suse.cz>
5911         * tree-ssa-forwprop.c (forward_propagate_into_cond,
5912         tree_ssa_forward_propagate_single_use_va): Release defs of propagated
5913         statement.
5915 2007-01-08  Richard Guenther  <rguenther@suse.de>
5917         PR tree-optimization/23603
5918         * tree-vrp.c (set_value_range_to_truthvalue): New function.
5919         (extract_range_from_binary): Fall back to truthvalue instead of
5920         varying for TRUTH_*_EXPR.
5921         (extract_range_from_comparison): Fall back to truthvalue instead of
5922         varying.
5923         (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
5924         if all visited PHI values were constant.
5926 2007-01-08  Jan Hubicka  <jh@suse.cz>
5928         * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
5929         (cgraph_analyze_function): break out from ...
5930         (cgraph_finalize_compilation_unit): ... here.
5931         (cgraph_expand_function): Remove forgoten commented out line.
5932         (cgraph_optimize): Analyze functions.
5934 2007-01-08  Jan Hubicka  <jh@suse.cz>
5936         * tree-pas.h (TODO_remove_function): New flag.
5937         (TODO_update*): Renumber.
5938         (pass_ipa_increase_alignment,
5939         pass_ipa_function_and_variable_visibility): New passes.
5940         * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
5941         (cgraph_function_and_variable_visibility): Move to ipa.c
5942         (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
5943         cgraph_increase_alignment.
5944         * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
5945         (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
5946         calling tree-inline.
5947         (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
5948         (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
5949         * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
5950         (gate_increase_alignment): New function.
5951         (pass_ipa_increase_alignment): New pass.
5952         * ipa.c: Inline tree-pass.h and timevar.h
5953         (function_and_variable_visibility): Move here from cgraphunit.c
5954         * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
5955         * passes.c (init_optimization_passes): Add the two new passes.
5956         (execute_todo): Handle cgraph_remove_functions.
5958 2007-01-08  Nick Clifton  <nickc@redhat.com>
5960         * config/frv/predicates.md (reg_or_0_operand): Accept
5961         CONST_DOUBLEs.
5963 2007-01-08  Ralf Corsépius <ralf.corsepius@rtems.org>
5965         * config/bfin/rtems.h, config/bfin/t-rtems: New.
5966         * config.gcc: Add bfin*-rtems*.
5968 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
5970         * c.opt: Add -flax-vector-conversions.
5971         * c-typeck.c (convert_for_assignment): Pass flag to
5972         vector_types_convertible_p to allow emission of note.
5973         (digest_init): Likewise.
5974         * c-opts.c: Handle -flax-vector-conversions.
5975         * c-common.c (flag_lax_vector_conversions): New.
5976         (vector_types_convertible_p): Unless -flax-vector conversions
5977         has been passed, disallow conversions between vectors with
5978         differing numbers of subparts and/or element types.  If such
5979         a conversion is disallowed, possibly emit a note on the first
5980         occasion only to inform the user of -flax-vector-conversions.
5981         The new last argument specifies this.
5982         * c-common.h (flag_lax_vector_conversions): New.
5983         (vector_types_convertible_p): Add extra argument.
5984         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
5985         char_type_node for V*QI type vectors.
5986         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
5987         Update to satisfy new typechecking rules.
5988         * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
5989         C and C++ variants.
5990         * doc/invoke.texi (C Dialect Options): Document
5991         -flax-vector-conversions.
5993 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
5995         PR tree-optimization/29877
5996         * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
5997         a register variable on the RHS to not be replaceable.
5999 2007-01-08  Chen Liqin  <liqin@sunnorth.com.cn>
6000         * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
6001         * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
6002         const_simm15, const_pow2, const_npow2): Added.
6003         * config/score/misc.md (insv, extv, extzv, movmemsi,
6004         move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
6005         * config/score/score.c (score_address_cost, score_select_cc_mode):
6006         Added.
6007         Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
6008         Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
6009         Update score_print_operand.
6010         * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
6011         Adjust register allocate order and update some macro define.
6012         * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
6013         mdx_block_move_straight, mdx_block_move_loop_head,
6014         mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
6015         mdx_block_move): Added.
6016         (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
6017         mdp_limm): Updated and fix some bug and typo.
6018         * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
6019         (movsf, movdf, doloop_end): Added.
6021 2007-01-08  Kazu Hirata  <kazu@codesourcery.com>
6023         * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
6024         config/arm/thumb2.md: Fix comment typos.
6025         * doc/extend.texi: Fix a typo.
6027 2007-01-07  Eric Christopher  <echristo@apple.com>
6029         * configure.ac: Check for __stack_chk_fail for darwin.
6030         * configure: Regenerate.
6032 2007-01-07  Richard Guenther  <rguenther@suse.de>
6034         * tree-vrp.c (extract_range_from_assert): CSE calls to
6035         compare_values where possible.
6036         (extract_range_from_unary_expr): Likewise.
6038 2007-01-07  Anatoly Sokolov <aesok@post.ru>
6040         * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
6041         * config/avr/avr.c (call_insn_operand): Delete function.
6042         * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
6043         instead of register number. Use predicates.
6044         * config/avr/predicates.md (const0_operand, reg_or_0_operand,
6045         call_insn_operand): Add.
6047 2007-01-06  Jan Hubicka  <jh@suse.cz>
6049         * tree-pass.h (pass_build_cgraph_edges): Declare.
6050         * cgraphunit.c (record_refernece): Move to cgraphbuild.c
6051         (visited_nodes): Remove.
6052         (cgraph_create_edges): Move to cgraphbuild.c; rename to
6053         build_cgrpah_edges; make visited_nodes local.
6054         (cgraph_process_new_functions): DO not call initialize_inline_failed.
6055         (record_references_in_initializer): Move to cgraphbuild.c
6056         (initialize_inline_failed, rebuild_cgraph_edges,
6057         pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
6058         (verify_cgraph_node): Make visited_nodes local.
6059         (cgraph_analyze_function): Do not call cgraph_create_edges and
6060         initialize_inline_failed.
6061         (cgraph_expand_function): Do not call cgraph_lower_function;
6062         assert that function is already lowered.
6063         * Makefile.in (cgraphbuild.o): New.
6064         * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
6065         at the end of lowering passes.
6067 2007-01-06  Steven Bosscher  <steven@gcc.gnu.org>
6069         * ifcvt.c (cond_move_convert_if_block): New function, code
6070         factored out from...
6071         (cond_move_process_if_block): ...here.  Call the new function
6072         on the THEN and ELSE blocks.
6073         (merge_if_block): Do not copy global_live_at_end, merge_blocks
6074         already takes care of this.
6076 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6078         PR c/19978
6079         * tree.h (TREE_OVERFLOW_P): New.
6080         * c-typeck.c (parser_build_unary_op): Warn only if result
6081         overflowed and operands did not.
6082         (parser_build_binary_op): Likewise.
6083         (convert_for_assignment): Remove redundant overflow_warning.
6084         * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
6086 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6088         * c-typeck.c (store_init_value): Split over two lines to follow
6089         the GNU coding style.
6091 2007-01-05  Benjamin Kosnik  <bkoz@redhat.com>
6093         * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
6094         __GXX_EXPERIMENTAL_CXX0X__.
6095         * doc/cpp.texi: Same.
6097 2007-01-05  Richard Guenther  <rguenther@suse.de>
6099         PR middle-end/27826
6100         * tree.c (get_narrower): Do not construct COMPONENT_REFs
6101         with mismatched types.  Instead explicitly build a
6102         conversion NOP_EXPR.
6104 2007-01-05  Ian Lance Taylor  <iant@google.com>
6106         * c-common.c (decl_with_nonnull_addr_p): New function.
6107         (c_common_truthvalue_conversion): Call it.
6108         * c-typeck.c (build_binary_op): Likewise.
6109         * c-common.h (decl_with_nonnull_addr_p): Declare.
6111 2007-01-05  Jakub Jelinek  <jakub@redhat.com>
6113         PR c/30360
6114         * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
6115         denom against 0.0.
6117 2007-01-05  Joel Brobecker  <brobecker@adacore.com>
6119         * doc/install.texi (Final install): Document the fact that
6120         the GNAT runtime should not be stripped.
6122 2007-01-04  Jan Hubicka  <jh@suse.cz>
6124         * tree-inline.c (fold_marked_statements): Update operand caches
6125         and EH after folding
6127 2007-01-04  Ian Lance Taylor  <iant@google.com>
6129         * c-common.c (check_function_nonnull): Whitespace fix.
6131 2007-01-04  Jan Hubicka  <jh@suse.cz>
6133         * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
6134         comitted older version of patch.
6135         (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
6136         function, celanup cfg and collect garbage.
6138 2007-01-04  Mike Stump  <mrs@apple.com>
6140         * Makefile.in (mostlyclean): Don't remove libgcc anymore.
6141         (clean): Likewise.
6143 2007-01-04  Eric Christopher  <echristo@apple.com>
6145         * libgcc2.c (__bswapsi2): Use SItype.
6146         (__bswapdi2): Use DItype.
6147         * libgcc2.h: Update for above.
6149 2007-01-04  Paul Brook  <paul@codesourcery.com>
6151         * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
6152         mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
6153         mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
6154         umulsidi3, umulsidi3adddi, smulsi3_highpart,
6155         umulsi3_highpart): Make conditional on !arm_arch6.
6156         (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
6157         mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
6158         mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
6159         umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
6160         umulsi3_highpart_v6): New insns.
6162 2007-01-04  Roger Sayle  <roger@eyesopen.com>
6164         * fold-const.c (fold_convert): When casting an expression to void,
6165         fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
6166         have a type.  Instead of attempting to build a NOP_EXPR, return
6167         these "special" trees directly.
6169 2007-01-04  Joseph Myers  <joseph@codesourcery.com>
6171         * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
6172         MULT inside MINUS as either argument.  Use rs6000_cost->dmul -
6173         rs6000_cost->fp not 0 as adjustment for outer NEG.
6175 2007-01-04  Jan Hubicka  <jh@suse.cz>
6177         * cgraph.c (cgraph_release_function_body): New function.
6178         (cgraph_remove_node): Use it.
6179         * cgraph.h (cgraph_release_function_body): Declare.
6180         * cgraphunit.c (cgraph_expand_function): Use it.
6181         * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
6182         * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
6183         is initialized and while compilation of other function is running.
6184         * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
6185         statement CFG annotations from here to ...
6186         * tree-cfg.c (delete_tree_cfg_annotations): ... here.
6188 2007-01-04  Zdenek Dvorak <dvorakz@suse.cz>
6190         * cfgloop.h (enum li_flags): Make the constants powers of two.
6192 2007-01-04  Jan Hubicka  <jh@suse.cz>
6194         * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
6195         set.
6196         (fold_marked_statements): New function.
6197         (optimize_inline_calls, tree_function_versioning): Fold new statements.
6198         * tree-inline.h (copy_body_data): Add statements_to_fold.
6200 2007-01-03  Daniel Jacobowitz  <dan@codesourcery.com>
6202         * config.gcc: Mention libgcc/config.host.
6203         * Makefile.in: Update comments mentioning libgcc.
6204         (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
6205         (all.cross, start.encap, rest.encap, rest.cross): Update
6206         dependencies for libgcc move.
6207         (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
6208         (clean-target, clean-target-libgcc): Delete.
6209         (srcdirify, GCC_EXTRA_PARTS): New macros.
6210         (libgcc-support, libgcc.mvars): New rules.
6211         (distclean): Remove mention of mklibgcc.
6212         (install): Don't reference INSTALL_LIBGCC.
6213         (install-common): Don't reference EXTRA_PARTS.
6214         (install-libgcc, install-multilib): Delete rules.
6215         * mklibgcc.in: Delete file.
6216         * doc/configfiles.texi: Don't mention mklibgcc.
6218         * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
6219         * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
6220         * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
6221         * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
6222         (mklibgcc, ldblspecs): Likewise.
6224         * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
6225         (posixpre.def): Use $(T).
6226         (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
6227         (SHLIB_SRC, SHLIB_INSTALL): Delete.
6228         (SHLIB_LINK): Make dummy.
6229         * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
6231         * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
6233         * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
6234         * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
6235         config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
6236         config/rs6000/t-newas, config/sparc/t-elf: Likewise.
6238         * configure.ac (all_outputs): Remove mklibgcc.
6239         * configure: Regenerated.
6241 2007-01-03  Josh Conner  <jconner@apple.com>
6243         PR middle-end/29683
6244         * calls.c (compute_argument_addresses): Set stack and stack_slot
6245         for partial args, too.
6246         (store_one_arg): Use locate.size.constant for the size when
6247         generating a save_area.
6249 2007-01-03  Robert Kennedy <jimbob@google.com>
6251         * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
6252         whose definitions are deleted due to basic block merging.
6254 2007-01-03  Paul Brook  <paul@codesourcery.com>
6256         PR target/16634
6257         * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
6258         functions.
6259         (use_return_insn): Return 0 for Thumb interrupt functions.
6260         (print_multi_reg): Add rfe argument for IRQ returns.
6261         (arm_output_epilogue): Pop interrupt return address directly into PC.
6262         (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
6264 2007-01-03  Paul Brook  <paul@codesourcery.com>
6266         Merge from sourcerygxx-4_1.
6267         * config/arm/thumb2.md: New file.
6268         * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
6269         Thumb-2.
6270         * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
6271         * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
6272         (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
6273         * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
6274         tables.
6275         (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
6276         * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
6277         comptibility.
6278         * config/arm/ieee754-sf.S: Ditto.
6279         * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
6280         (thumb1_base_register_rtx_p): ... to this.
6281         (thumb_index_register_rtx_p): Rename...
6282         (thumb1_index_register_rtx_p): ... to this.
6283         (thumb_output_function_prologue): Rename...
6284         (thumb1_output_function_prologue): ... to this.
6285         (thumb_legitimate_address_p): Rename...
6286         (thumb1_legitimate_address_p): ... to this.
6287         (thumb_rtx_costs): Rename...
6288         (thumb1_rtx_costs): ... to this.
6289         (thumb_compute_save_reg_mask): Rename...
6290         (thumb1_compute_save_reg_mask): ... to this.
6291         (thumb_final_prescan_insn): Rename...
6292         (thumb1_final_prescan_insn): ... to this.
6293         (thumb_expand_epilogue): Rename...
6294         (thumb1_expand_epilogue): ... to this.
6295         (arm_unwind_emit_stm): Rename...
6296         (arm_unwind_emit_sequence): ... to this.
6297         (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
6298         thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
6299         thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
6300         arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
6301         thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
6302         thumb2_output_casesi): New functions.
6303         (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
6304         (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
6305         FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
6306         THUMB2_WORK_REGS): Define.
6307         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
6308         arm_condexec_mask, arm_condexec_masklen)): New variables.
6309         (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
6310         (arm_override_options): Check new CPU capabilities.
6311         Set new architecture flag variables.
6312         (arm_isr_value): Handle v7m interrupt functions.
6313         (user_return_insn): Return 0 for v7m interrupt functions.  Handle
6314         Thumb-2.
6315         (const_ok_for_arm): Handle Thumb-2 constants.
6316         (arm_gen_constant): Ditto.  Use movw when available.
6317         (arm_function_ok_for_sibcall): Return false for v7m interrupt
6318         functions.
6319         (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
6320         (thumb_find_work_register, arm_load_pic_register,
6321         legitimize_tls_address, arm_address_cost, load_multiple_sequence,
6322         emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
6323         print_multi_reg, output_mov_long_double_fpa_from_arm,
6324         output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
6325         output_mov_double_fpa_from_arm, output_move_double,
6326         arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
6327         output_return_instruction, arm_output_function_prologue,
6328         arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
6329         arm_output_mi_thunk, thumb_set_return_address): Ditto.
6330         (arm_expand_prologue): Handle Thumb-2.  Use arm_save_coproc_regs.
6331         (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
6332         (arithmetic_instr, shift_op): Use arm_shift_nmem.
6333         (arm_print_operand): Use arm_print_condition.  Handle '(', ')', '.',
6334         '!' and 'L'.
6335         (arm_final_prescan_insn): Use extract_constrain_insn_cached.
6336         (thumb_expand_prologue): Use thumb_set_frame_pointer.
6337         (arm_file_start): Output directive for unified syntax.
6338         (arm_unwind_emit_set): Handle stack alignment instruction.
6339         * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
6340         Add v6t2, v7, v7a, v7r and v7m.
6341         (RETLDM): Add Thumb-2 code.
6342         (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
6343         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
6344         (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
6345         TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
6346         THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
6347         ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
6348         THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
6349         CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
6350         ADJUST_INSN_LENGTH): Define.
6351         (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
6352         STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
6353         BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
6354         PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
6355         SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
6356         TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
6357         HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
6358         HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
6359         REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
6360         REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
6361         LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
6362         GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
6363         ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
6364         FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
6365         PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
6366         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
6367         * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
6368         cortex-m3.
6369         * config/arm/arm-tune.md: Regenerate.
6370         * config/arm/arm-protos.h: Update prototypes.
6371         * config/arm/vfp.md: Enable patterns for Thumb-2.
6372         (arm_movsi_vfp): Add movw alternative.  Use output_move_vfp.
6373         (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
6374         (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
6375         thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
6376         * config/arm/libunwind.S: Add Thumb-2 code.
6377         * config/arm/constraints.md: Update include Thumb-2.
6378         * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
6379         * config/arm/ieee754-df.S: Ditto.
6380         * config/arm/bpabi.S: Ditto.
6381         * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
6382         * config/arm/predicates.md (low_register_operand,
6383         low_reg_or_int_operand, thumb_16bit_operator): New.
6384         (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
6385         (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
6386         * config/arm/t-arm-elf: Add armv7 multilib.
6387         * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
6388         Include thumb2.md.
6389         (UNSPEC_STACK_ALIGN, ce_count): New.
6390         (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
6391         arm_zero_extendsidi2, arm_zero_extendqidi2): New
6392         insns/expanders.
6393         * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
6394         (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
6395         thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
6396         * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
6397         (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
6398         thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
6399         insns.
6400         * doc/extend.texi: Document ARMv7-M interrupt functions.
6401         * doc/invoke.texi: Document Thumb-2 new cores+architectures.
6403 2007-01-03  Jakub Jelinek  <jakub@redhat.com>
6405         * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
6406         (struct _Unwind_Context): Rename args_size to flags, remove
6407         signal_frame field, add a new args_size field and version field.
6408         (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
6409         _Unwind_IsExtendedContext): New inline functions.
6410         (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
6411         Assume by_value array is only present if _Unwind_IsExtendedContext.
6412         (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
6413         _Unwind_IsSignalFrame.
6414         (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
6415         (uw_update_context_1): Use _Unwind_SetSignalFrame.
6416         (uw_init_context_1): Initialize context->flags to
6417         EXTENDED_CONTEXT_BIT.
6418         * config/rs6000/linux-unwind.h (frob_update_context): Use
6419         _Unwind_SetSignalFrame.
6421 2007-01-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6423         PR middle-end/30353
6424         * gimplify.c (gimplify_modify_expr_complex_part): Move below
6425         tree_to_gimple_tuple.  Call tree_to_gimple_tuple when we need
6426         the value.
6428 2007-01-03  Kazu Hirata  <kazu@codesourcery.com>
6430         * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
6431         REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
6432         RET, AT_SP): Remove.
6433         * config/i386/i386.md (*sse_prologue_save_insn): Use return
6434         instead of RET.
6436         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
6437         * cfgbuild.c (find_basic_blocks): Likewise.
6438         * cfgrtl.c (rtl_create_basic_block): Likewise.
6439         * function.c (temp_slots_at_level): Likewise.
6440         * reg-stack.c (stack_regs_mentioned): Likewise.
6441         * regclass.c (allocate_reg_info): Likewise.
6442         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
6443         set_bb_for_stmt, move_block_to_fn): Likewise.
6444         * tree-complex.c (tree_lower_complex): Likewise.
6445         * vec.h (VEC_safe_grow_cleared): New.
6447         * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
6449 2007-01-03  Zdenek Dvorak <dvorakz@suse.cz>
6451         * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
6452         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
6453         to loop_version.
6454         * cfgloopmanip.c (scale_loop_frequencies): Export.
6455         (loopify): Scale the frequencies by prescribed coefficients.
6456         (set_zero_probability): New function.
6457         (duplicate_loop_to_header_edge): Improve updating of frequencies.
6458         (lv_adjust_loop_entry_edge, loop_version): Set probabilities
6459         and frequencies according to arguments.
6460         * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
6461         correctly.
6462         * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
6463         * modulo-sched.c (sms_schedule): Set probabilities for entering
6464         versioned loop correctly.
6465         * tree-vect-transform.c (vect_transform_loop): Ditto.
6466         * cfgloop.h (loopify, loop_version): Declaration changed.
6467         (scale_loop_frequencies): Declared.
6469 2007-01-02  Jan Hubicka  <jh@suse.cz>
6471         * cgraph.c: Include tree-flow.h
6472         (cgraph_add_new-function): Handle IPA_SSA mode; execute
6473         early_local_passes.
6474         * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
6475         * tree-pass.h (pass_all_early_optimizations): Declare.
6476         * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
6477         early_local_passes.
6478         (cgraph_analyze_function): Do early_local_passes.
6479         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
6480         Do not add referenced vars.
6481         * tree-optimize.c (gate_all_optimizations): Do not execute when not in
6482         SSA form.
6483         (gate_all_early_local_passes): New gate.
6484         (pass_early_local_passes): Use new gate.
6485         (execute_early_local_optimizations): New functions.
6486         (gate_all_early_optimizations): New gate.
6487         (pass_all_early_optimizations): New pass.
6488         (execute_free_datastructures): Free SSA only when initialized.
6489         (gate_init_datastructures): Init only when optimizing.
6490         (tree_lowering_passes): Do early local passes when called late.
6491         * tree-profile.c (do_tree_profiling): Don't profile functions added
6492         late.
6493         (do_early_tree_profiling, pass_early_tree_profile): Kill.
6494         * tree-cfg.c (update_modified_stmts): Do not update when operands are
6495         not active.
6496         * passes.c (init_optimizations_passes): Reorder so we go into SSA
6497         during early_local_passes.
6498         * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
6501 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
6503         * Makefile.in: Update copyright year.
6505 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
6507         * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
6508         in $(lang_checks) and check-consistency targets.
6510 2007-01-02  Jan Hubicka  <jh@suse.cz>
6512         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
6513         Do not add referenced vars.
6514         * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
6515         are not active.
6516         * passes.c (init_optimization_passes): Put mudflap_2 after
6517         free_datastructures.
6519 2007-01-02  Jan Hubicka  <jh@suse.cz>
6521         * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
6522         Set NOTHROW flag on call statements proved to be nothrow.
6523         Update statement of local calls so new pure/const functions are
6524         updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
6525         goto receivers.
6526         (tree_rest_of_compilation): Register hooks and initialize bitmap
6527         early. Do not set after_inlining flag.
6529 2007-01-02  Steve Ellcey  <sje@cup.hp.com>
6531         * sbitmap.c (HOST_BITS_PER_LONG_LONG):  Change to
6532         HOST_BITS_PER_LONGLONG
6534 2007-01-02  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
6536         PR c/19977
6537         * c-typeck.c (store_init_value): Don't emit pedantic overflow
6538         warning for non-static initializers.
6540 2007-01-02  Steven Bosscher  <steven@gcc.gnu.org>
6542         * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
6543         m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
6544         rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
6545         Always use set_unique_reg_note to add REG_EQUAL notes.
6547 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
6549         Revert:
6550         2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
6552         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
6553         * cfgbuild.c (find_basic_blocks): Likewise.
6554         * cfgrtl.c (rtl_create_basic_block): Likewise.
6555         * function.c (temp_slots_at_level): Likewise.
6556         * reg-stack.c (stack_regs_mentioned): Likewise.
6557         * regclass.c (allocate_reg_info): Likewise.
6558         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
6559         set_bb_for_stmt, move_block_to_fn): Likewise.
6560         * tree-complex.c (tree_lower_complex): Likewise.
6561         * vec.h (VEC_safe_grow_cleared): New.
6563 2007-01-02  Ian Lance Taylor  <iant@google.com>
6565         * c-common.c (c_common_truthvalue_conversion): When warning about
6566         using an assignment as a truth value, set TREE_NO_WARNING.
6568 2007-01-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6570         PR middle-end/7651
6571         * c.opt (Wold-style-declaration): New.
6572         * doc/invoke.texi (C-only Warning Options): New.
6573         (Wold-style-declaration): Document it.
6574         (Wextra): Enabled by -Wextra.
6575         * c-opts.c (c_common_post_options): Enabled by -Wextra.
6576         * c-decl.c (declspecs_add_scspec): Replace -Wextra with
6577         -Wold-style-declaration.
6579 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
6581         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
6582         * cfgbuild.c (find_basic_blocks): Likewise.
6583         * cfgrtl.c (rtl_create_basic_block): Likewise.
6584         * function.c (temp_slots_at_level): Likewise.
6585         * reg-stack.c (stack_regs_mentioned): Likewise.
6586         * regclass.c (allocate_reg_info): Likewise.
6587         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
6588         set_bb_for_stmt, move_block_to_fn): Likewise.
6589         * tree-complex.c (tree_lower_complex): Likewise.
6590         * vec.h (VEC_safe_grow_cleared): New.
6592 2007-01-02  Douglas Gregor  <doug.gregor@gmail.com>
6594         * c-common.c (c_common_nodes_and_builtins): Since variants of
6595         void_type_node get built before it is given a name, we need to
6596         give those variants the name, too.
6597         (complete_array_type): We need to work with the canonical main
6598         type of the array, from which we will build the qualified version.
6599         * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
6600         * print-tree.c (print_node): Display canonical type information
6601         for each type.
6602         * stor-layout.c (layout_type): When we don't know the
6603         alignment of a type for which we're building an array, we end up
6604         guessing wrong, so make the type require structural equality.
6605         * tree.c (make_node_stat): When we build a new type, it is its
6606         own canonical type.
6607         (build_type_attribute_qual_variant): When building an attribute
6608         variant, its canonical type is the non-attribute variant. However,
6609         if the attributes are target-dependent and they differ, we need to
6610         use structural equality checks for this type.
6611         (build_qualified_type): A qualified type is not equivalent to its
6612         unqualified variant; set the canonical type appropriately.
6613         (build_distinct_type_copy): When building a distinct type from
6614         another type, the new type is its own canonical type.
6615         (build_variant_type_copy): When building a new type variant, we
6616         assume that it is equivalent to the original type.
6617         (build_pointer_type_for_mode): When building a pointer type, also
6618         build a canonical type pointer.
6619         (build_reference_type_for_mode): When building a reference type,
6620         also build a canonical type reference.
6621         (build_index_type): When we can't hash an index type (e.g.,
6622         because its maximum value is negative), the index type requires
6623         structural equality tests.
6624         (build_array_type): Build the canonical form of an array type.
6625         (build_function_type): Function types require structural equality,
6626         because they contain default arguments, attributes, etc.
6627         (build_method_type_directly): Ditto for method types.
6628         (build_offset_type): Build the canonical offset type.
6629         (build_complex_type): Build the canonical vector type.
6630         (make_vector_type): Build the canonical vector type.
6631         * tree.h (TYPE_CANONICAL): New.
6632         (TYPE_STRUCTURAL_EQUALITY_P): New.
6633         (SET_TYPE_STRUCTURAL_EQUALITY): New.
6634         (struct tree_type): Added "canonical" field.
6635         * params.h (VERIFY_CANONICAL_TYPES): New.
6636         * doc/c-tree.texi (TYPE_CANONICAL): Document.
6637         (TYPE_STRUCTURAL_EQUALITY_P): Document.
6638         (SET_TYPE_STRUCTURAL_EQUALITY): Document.
6639         * doc/invoke.texi (verify-canonical-types): Document --param
6640         parameter for verifying canonical types.
6642 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
6644         * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
6645         powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
6646         powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
6647         powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
6648         tm_file.
6649         * config/rs6000/e500.h: New.
6650         * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
6651         TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
6652         Remove.
6653         * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
6654         TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
6655         TARGET_E500_DOUBLE): Remove.
6656         * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
6657         TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
6658         * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
6659         * config/rs6000/rs6000.c (rs6000_override_options): Use
6660         CHECK_E500_OPTIONS.
6662 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
6664         * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
6665         TARGET_E500_DOUBLE), not TARGET_E500, for %y.
6666         (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
6667         rs6000_emit_cmove): Don't check TARGET_E500.
6668         * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
6669         sordered): Don't check TARGET_E500.
6671 2007-01-01  Eric Christopher  <echristo@apple.com>
6673         * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
6674         HARD_REGISTER_NUM_P.
6676 2007-01-01  Roger Sayle  <roger@eyesopen.com>
6678         * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
6679         "X eq/ne (C1^C2)".  Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
6680         has no side-effects.  Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
6681         eq/ne Y".
6683 2007-01-01  Mike Stump  <mrs@apple.com>
6685         * configure.ac: Remove support for building with Apple's gcc-3.1.
6687 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
6689         PR middle-end/30311
6690         * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
6691         REG is a hard register.  Do not modify REG before calling
6692         subreg_nregs.
6693         * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
6694         multiple of the size of YMODE for certain lowpart cases.
6696 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
6698         PR middle-end/30253
6699         * gimplify (voidify_wrapper_expr): Update for
6700         GIMPLE_MODIFY_STMT.
6702 2007-01-01  Andreas Schwab  <schwab@suse.de>
6704         PR target/29166
6705         * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
6706         save of BR0 in extra_spill_size instead of spill_size.
6707         (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
6708         area.
6709         (ia64_expand_epilogue): Restore BR0 from its new location.
6711 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
6713         * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
6714         Use a temporary variable if the left hand side is not a gimple
6715         register.
6717 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
6719         * gimplify.c (gimplify_return_expr): Make the temporary variable
6720         for the return expression, a gimple register variable.
6722 2007-01-01  Jan Hubicka  <jh@suse.cz>
6724         * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
6725         INSN_LIST.
6727 2007-01-01  Mike Stump  <mrs@apple.com>
6729         * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
6730         .literal16.
6731         * config/darwin.c (machopic_select_rtx_section): Use
6732         HAVE_GAS_LITERAL16.
6733         (darwin_mergeable_constant_section): Likewise.
6734         * configure: Regenerate.
6735         * config.in: Regenerate.
6737 2007-01-01  Jan Hubicka  <jh@suse.cz>
6738             Andrew Pinski  <pinskia@gmail.com>
6740         * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
6741         before starting IPA passes.