* output.h (assemble_addr_to_section): Declare.
[official-gcc.git] / gcc / ChangeLog
blobc71aec1f10ed2ee07b4ade2b2f7304f352401126
1 2007-02-26  Mark Mitchell  <mark@codesourcery.com>
3         * output.h (assemble_addr_to_section): Declare.
4         (get_cdtor_priority_section): Likewise.
5         * varasm.c (assemble_addr_to_section): New function.
6         (get_cdtor_priority_section): Likewise.
7         (default_named_section_asm_out_destructor): Use them.
8         (destor_dtor_section_asm_out_destructor): Likewise.
9         (default_named_section_asm_out_constructor): Likewise.
10         (default_ctor_section_asm_out_constructor): Likewise.
11         * config.gcc (*-*-vxworks*): Include vxworks.o.
12         * config/t-vxworks (vxworks.o): New target.
13         * config/vxworks.h (ALWAYS_NUMBER_CTORS_SECTIONS): Remove.
14         (TARGET_ASM_CONSTRUCTOR): Define.
15         (TARGET_ASM_DESTRUCTOR): Likewise.
16         (vxworks_asm_out_constructor): Declare.
17         (vxworks_asm_out_destructor): Likewise.
19         * c-common.c (get_priority): Check that we have not just an
20         INTEGER_CST, but an integer constant with integeral type.
22 2007-02-25  Uros Bizjak  <ubizjak@gmail.com>
24         PR tree-optimization/30938
25         * tree-vect-transform.c (vectorizable_call): Fix off-by-one error:
26         use &dt[nargs-1] instead of &dt[nargs] in the call to
27         vect_is_simple_use().
29 2007-02-25  Ulrich Weigand  <uweigand@de.ibm.com>
31         * reload.c (find_reloads_address_1): Handle PLUS expressions resulting
32         from register elimination as PRE_MODIFY / POST_MODIFY increments.
33         Do not attempt to handle MEM inside auto-inc expressions.
34         * reload1.c (eliminate_regs_1): Do not attempt to handle elimination
35         of a register modified by an auto-inc expression.  However, do handle
36         elimination of a register used as PRE_MODIFY / POST_MODIFY increment.
37         (elimination_effects): Prohibit elimination of a register modified
38         by an auto-inc expression.  Disable register elimination rules whose
39         target register is modified by an auto-inc expression with variable
40         increment.
42 2007-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
44         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): Fix
45         off-by-one error.
46         (array_at_struct_end_p): New function.
47         (idx_infer_loop_bounds): Use it.
48         (estimate_numbers_of_iterations_loop): Export.
49         * predict.c (predict_loops): Use estimated_loop_iterations_int.
50         Do not use PRED_LOOP_EXIT on exits predicted by # of iterations.
51         (tree_estimate_probability): Call record_loop_exits.
52         * tree-data-ref.c (get_number_of_iters_for_loop): Replaced by ...
53         (estimated_loop_iterations, estimated_loop_iterations_int,
54         estimated_loop_iterations_tree): New functions.
55         (analyze_siv_subscript_cst_affine,
56         compute_overlap_steps_for_affine_1_2,
57         analyze_subscript_affine_affine): Use estimated_loop_iterations_int.
58         (analyze_miv_subscript): Use estimated_loop_iterations_tree.
59         * predict.def (PRED_LOOP_ITERATIONS): Update comment.
60         (PRED_LOOP_ITERATIONS_GUESSED): New.
61         * cfgloop.c (record_loop_exits): Do nothing if there are no loops.
62         * cfgloop.h (estimate_numbers_of_iterations_loop,
63         estimated_loop_iterations_int): Declare.
65 2007-02-25  Mark Mitchell  <mark@codesourcery.com>
67         * doc/extend.texi: Document optional priority argument to
68         constructors and destructors.
69         * tree.c (init_priority_for_decl): Adjust GTY markers.
70         (init_ttree): Use priority-info hash functions for
71         init_priority_for_decl.
72         (tree_map_eq): Rename to ...
73         (tree_map_base_eq): ... this.
74         (tree_map_marked_p): Rename to ...
75         (tree_map_base_marked_p): ... this.
76         (tree_map_base_hash): New function.
77         (decl_init_priority_lookup): Rework.
78         (decl_fini_priority_lookup): New function.
79         (decl_priority_info): New function.
80         (decl_init_priority_insert): Use it.
81         (decl_fini_priority_insert): Likewise.
82         (decl_restrict_base_lookup): Adjust for refactoring of tree_map
83         hierarchy.
84         (decl_restrict_base_insert): Likewise.
85         (decl_debug_expr_insert): Likewise.
86         (decl_value_expr_lookup): Likewise.
87         (decl_value_expr_insert): Likewise.
88         * tree.h (priority_type): New type.
89         (decl_init_priority_lookup): Use priority_type.
90         (decl_fini_priority_lookup): New function.
91         (decl_init_priority_insert): Use priority_type.
92         (decl_fini_priority_insert): New function.
93         (DECL_HAS_INIT_PRIORITY): Tweak comments.
94         (DECL_INIT_PRIORITY): Likewise.
95         (SET_DECL_INIT_PRIORITY): Add comment.
96         (DECL_FINI_PRIORITY): New macro.
97         (SET_DECL_FINI_PRIORITY): Likewise.
98         (DEFAULT_INIT_PRIORITY): Document.
99         (MAX_INIT_PRIORITY): Likewise.
100         (MAX_RESERVED_INIT_PRIORITY): Likewise.
101         (tree_map_base): New type.
102         (tree_map_base_eq): New function.
103         (tree_map_base_hash): Likewise.
104         (tree_map_base_marked_p): Likewise.
105         (tree_map): Inherit from tree_map_base.
106         (tree_map_eq): Make it a macro.
107         (tree_map_marked_p): Likewise.
108         (tree_int_map): Inherit from tree_map_base.
109         (tree_int_map_eq): Make it a macro.
110         (tree_int_map_hash): Likewise.
111         (tree_int_map_marked_p): Likewise.
112         (tree_priority_map): New type.
113         (tree_priority_map_eq): New macro.
114         (tree_priority_map_hash): Likewise.
115         (tree_priority_map_marked_p): Likewise.
116         * varasm.c (emults_decl): Adjust for refactoring of tree_map
117         hierarchy.
118         (emutls_common_1): Likewise.
119         * lambda-code.c (replace_uses_equiv_to_x_with_y): Likewise.
120         * tree-ssa-structalias.c (heapvar_lookup): Adjust for refactoring
121         of tree_map hierarchy.
122         * tree-cfg.c (move_stmt_r): Likewise.
123         (new_label_mapper): Likewise.
124         * c-tree.h (c_expand_body): Move to ...
125         * c-common.h (c_expand_body): ... here.
126         * c-decl.c (c_expand_body): Move to ...
127         * c-common.c (c_expand_body): ... here.
128         (c_common_attribute_table): Allow 1 argument for the constructor
129         and destructor attributes.
130         (get_priority): New function.
131         (handle_constructor_attribute): Set DECL_INIT_PRIORITY.
132         (handle_destructor_attribute): Set DECL_FINI_PRIORITY.
134 2007-02-24  Jan Hubicka  <jh@suse.cz>
136         PR middle-end/30509
137         * tree-inline.c (copy_bb): Produce exact copy of EH info when copying for inlining.
139 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
140             Jan Hubicka  <jh@suse.cz>
142         PR target/30778
143         * i386.c (counter_mode): New function.
144         (expand_set_or_movmem_via_loop): Use it.
145         (expand_movmem_epilogue): Likewise; fix pasto.
146         (ix86_expand_movmem): Do emit guard even for constant counts.
147         (ix86_expand_setmem): Likewise.
149 2007-02-25  Nick Clifton  <nickc@redhat.com>
151         * config/frv/frv.h (ASM_OUTPUT_CASE_LABEL): Delete.
152         (JUMP_TABLES_IN_TEXT_SECTION): Define.
154 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
156         PR target/30770
157         * config/i386/i386.md (expand_movmem_epilogue): Fix typo, mask
158         count argument with 0x10, not with 0x16.
159         (expand_setmem_epilogue): Ditto.
161 2007-02-24  Mike Stump  <mrs@apple.com>
163         * config/i386/i386.c (output_pic_addr_const): Stubify optimized
164         symbols.
166 2007-02-24  Richard Guenther  <rguenther@suse.de>
168         PR middle-end/30951
169         * fold-const.c (fold_binary): Fold x +- CST op x for
170         EQ_EXPR and NE_EXPR.
172 2007-02-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
174         * pa.md (muldi3): Force subregs to registers in 64-bit expander.
176 2007-02-24  Jan Hubicka  <jh@suse.cz>
178         * cgraphunit.c (decide_is_function_needed): Honor
179         -fkeep-inline-functions.
181 2007-02-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
183         * builtins.c (fold_builtin_modf): New.
184         (fold_builtin_2): Use it.
186 2007-02-24  Bernd Schmidt  <bernd.schmidt@analog.com>
188         * loop-iv.c (implies_p): Detect additional cases where A implies B.
189         (determine_max_iter): Take additional LOOP arg; all callers changed.
190         Lose broken logic dealing with PLUS.  Try to limit the upper bound by
191         one using simplifications.
192         (simplify_using_initial_values): Return if the expression becomes
193         invalid due to altered regs.
195 2007-02-23  DJ Delorie  <dj@redhat.com>
197         * doc/tm.h (BIGGEST_ALIGNMENT): Clarify the purpose of this macro.
199 2007-02-23  Mike Stump  <mrs@apple.com>
201         * tlink.c (scan_linker_output): Parse linker messages from
202         darwin9's linker better.
204 2007-02-23  Steve Ellcey  <sje@cup.hp.com>
206         PR debug/29614
207         * varpool.c (varpool_assemble_pending_decls):  Set
208         varpool_last_needed_node to null.
210 2007-02-23  DJ Delorie  <dj@redhat.com>
212         * config/i386/i386.c (ix86_data_alignment): Don't specify an
213         alignment bigger than the object file can handle.
215 2007-02-23  Uros Bizjak  <ubizjak@gmail.com>
217         PR target/30825
218         * config/i386/i386.md (*movdi_1_rex64, zero_extendsidi2_32,
219         zero_extendsidi2_rex64): Penalize MMX register<->memory moves.
220         (*movsf_1): Penalize MMX moves.
222 2007-02-23  Bernd Schmidt  <bernd.schmidt@analog.com>
224         * config/bfin/bfin.md (doloop_end): Fail for loops that can iterate
225         2^32-1 or more times unless flag_unsafe_loop_optimizations.
227         * loop-iv.c (determine_max_iter): Moved in front of its sole user.
229 2007-02-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
231         * builtins.c (fold_builtin_logb, fold_builtin_significand): New.
232         (fold_builtin_1): Use them.
233         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
234         BUILT_IN_SIGNIFICAND.
236 2007-02-23  H.J. Lu  <hongjiu.lu@intel.com>
238         * config/i386/i386.c (bdesc_1arg): Initialize
239         IX86_BUILTIN_MOVSHDUP and IX86_BUILTIN_MOVSLDUP with
240         "__builtin_ia32_movshdup" and "__builtin_ia32_movsldup".
241         (ix86_init_mmx_sse_builtins): Remove IX86_BUILTIN_MOVSHDUP
242         and IX86_BUILTIN_MOVSLDUP.
244 2007-02-22  Paolo Bonzini  <bonzini@gnu.org>
246         PR rtl-optimization/30841
247         * fwprop.c (propagate_rtx_1): Accept a VOIDmode replacement address.
249 2007-02-22  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
251         * builtins.c (fold_builtin_frexp): New.
252         (fold_builtin_2): Use it.
254 2007-02-22  Mark Mitchell  <mark@codesourcery.com>
256         * doc/invoke.texi (Spec Files): Document getenv spec function.
258         * gcc.c (getenv_spec_function): New function.
259         (static_spec_functions): Add it.
260         * config/vxworks.h (VXWORKS_TARGET_DIR): Remove.
261         (VXWORKS_ADDITIONAL_CPP_SPEC): Use getenv to find the VxWorks
262         header files.
264 2007-02-22  Michael Matz  <matz@suse.de
266         PR c++/29433
267         * dwarf2out.c (add_AT_string): Call ggc_strdup once per string.
268         (type_tag): Use lang_hooks.dwarf_name instead of DECL_NAME.
270 2007-02-22  Ian Lance Taylor  <iant@google.com>
272         PR debug/30898
273         * dwarf2out.c (concatn_mem_loc_descriptor): New static function.
274         (mem_loc_descriptor): Call it.
276 2007-02-22  Zdenek Dvorak  <dvorakz@suse.cz>
277             Ira Rosen  <irar@il.ibm.com>
279         * tree-data-ref.c (ptr_ptr_may_alias_p): Take alias sets into account.
281 2007-02-22  Ira Rosen  <irar@il.ibm.com>
283         PR tree-optimization/30843
284         * tree-vect-transform.c (vect_transform_loop): Remove strided scalar 
285         stores only after all the group is vectorized.
287 2007-02-22  Dorit Nuzman  <dorit@il.ibm.com>
289         PR tree-optimization/30858
290         * tree-vectorizer.c (vect_is_simple_reduction): Check that the stmts
291         in the reduction cycle have a single use in the loop.
292         * tree-vectorizer.h (relevant): Add documentation.
294 2007-02-20  Mike Stump  <mrs@apple.com>
296         * configure.ac (powerpc*-*-darwin*): #include <sys/cdefs.h>.
297         * configure: Regenerate.
299 2007-02-21  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
301         Change the defaults of some parameters and options.
302         * config/spu/spu-protos.h (spu_optimization_options): Declare.
303         * config/spu/spu.c (spu_optimization_options): Add.
304         (spu_override_options): Change params in spu_optimization_options.
305         * config/spu/spu.h (OPTIMIZATION_OPTIONS): Define.
307         Register 127 is only 16 byte aligned when used as a frame pointer.
308         * config/spu/spu-protos.h (spu_init_expanders): Declare.
309         * config/spu/spu.c (spu_expand_prologue): Set REGNO_POINTER_ALIGN for
310         HARD_FRAME_POINTER_REGNUM.
311         (spu_legitimate_address):  Use regno_aligned_for_reload.
312         (regno_aligned_for_load):  HARD_FRAME_POINTER_REGNUM is only 16 byte
313         aligned when frame_pointer_needed is true.
314         (spu_init_expanders): New.  Set alignment of HARD_FRAME_POINTER_REGNUM
315         to 8 bits.
316         * config/spu/spu.h (INIT_EXPANDERS): Define.
318         Make sure shift and rotate instructions have valid immediate operands.
319         * config/spu/predicates.md (spu_shift_operand): Remove.
320         * config/spu/spu.c (print_operand): Add [efghEFGH] modifiers.
321         * config/spu/constraints.md (W, O): Extend range.
322         * config/spu/spu.md (umask, nmask): Define.
323         (ashl<mode>3, ashldi3, ashlti3_imm, shlqbybi_ti, shlqbi_ti, shlqby_ti,
324         lshr<mode>3, rotm_<mode>, lshr<mode>3_imm, rotqmbybi_<mode>,
325         rotqmbi_<mode>, rotqmby_<mode>, ashr<mode>3, rotma_<mode>,
326         rotl<mode>3, rotlti3, rotqbybi_ti, rotqby_ti, rotqbi_ti): Use
327         spu_nonmem_operand instead of spu_shift_operands.  Use new modifiers.
328         (lshr<mode>3_reg):  Fix rtl description.
330         Make sure mulhisi immediate operands are valid.
331         * config/spu/predicates.md (imm_K_operand): Add.
332         * config/spu/spu.md (mulhisi3_imm, umulhisi3_imm): Use imm_K_operand.
334         Generate constants using fsmbi and andi.
335         * config/spu/spu.c (enum immediate_class): Add IC_FSMBI2.
336         (print_operand, spu_split_immediate, classify_immediate,
337         fsmbi_const_p): Handle IC_FSMBI2.
339         Correctly handle a CONST_VECTOR containing symbols.
340         * config/spu/spu.c (print_operand): Handle HIGH correctly.
341         (spu_split_immediate): Split CONST_VECTORs with -mlarge-mem.
342         (immediate_load_p): Allow symbols that use 2 instructions to create.
343         (classify_immediate, spu_builtin_splats):  Don't accept a CONST_VECTOR
344         with symbols when flag_pic is set.
345         (const_vector_immediate_p): New.
346         (logical_immediate_p, iohl_immediate_p, arith_immediate_p): Don't
347         accept a CONST_VECTOR with symbols.
348         (spu_legitimate_constant_p): Use const_vector_immediate_p.  Don't
349         accept a CONST_VECTOR with symbols when flag_pic is set.  Handle HIGH
350         correctly.
351         * config/spu/spu.md (high, low): Delete.
352         (low_<mode>): Define.
354         Remove INTRmode and INTR_REGNUM, which didn't work.
355         * config/spu/spu.c (spu_conditional_register_usage): Remove reference
356         of INTR_REGNUM.
357         * config/spu/spu-builtins.md (spu_idisable, spu_ienable, set_intr,
358         set_intr_pic, set_intr_cc, set_intr_cc_pic, set_intr_return, unnamed
359         peephole2 pattern): Don't use INTR or 131.
360         (movintrcc): Delete.
361         * config/spu/spu.h (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS,
362         CALL_USED_REGISTERS, REGISTER_NAMES, INTR_REGNUM): Remove INTR_REGNUM.
363         * config/spu/spu.md (UNSPEC_IDISABLE, UNSPEC_IENABLE): Remove.
364         (UNSPEC_SET_INTR): Add.
365         * config/spu/spu-modes.def (INTR): Remove.
367         More accurate warnings about run-time relocations.
368         * config/spu/spu.c (reloc_diagnostic): Test in_section.
370         Correctly warn about immediate arguments to specific intrinsics.
371         * config/spu/spu.c (spu_check_builtin_parm): Handle CONST_VECTORs.
372         (spu_expand_builtin_1): Call spu_check_builtin_parm before checking
373         the instruction predicate.
375         Fix tree check errors with latest update.
376         * config/spu/spu.c (expand_builtin_args, spu_expand_builtin_1): Use
377         CALL_EXPR_ARG.
378         (spu_expand_builtin): Use CALL_EXPR_FN.
380         Add missing specific intrinsics.
381         * config/spu/spu-builtins.def: Add si_bisled, si_bisledd and
382         si_bislede.
383         * config/spu/spu_internals.h: Ditto.
385         Fix incorrect operand modifiers.
386         * config/spu/spu-builtins.md (spu_mpy, spu_mpyu):  Remove use of %H.
387         * config/spu/spu.md (xor<mode>3):  Change %S to %J.
389         Optimize one case of zero_extend of a vec_select.
390         * config/spu/spu.md (_vec_extractv8hi_ze):  Add.
392         Accept any immediate for hbr.
393         * config/spu/spu.md (hbr):  Change s constraints to i.
395 2007-02-21  Paul Brook  <paul@codesourcery.com>
397         * config/arm/arm.c (thumb2_final_prescan_insn): Don't incrememnt
398         condexec_count when skipping USE and CLOBBER.
400 2007-02-21  Nick Clifton  <nickc@redhat.com>
402         * common.opt (Warray-bounds): Add Warning attribute.
403         (Wstrict-overflow, Wstrict-overflow=, Wcoverage-mismatch):
404         Likewise.
405         (fsized-zeroes): Add Optimization attribute.
406         (fsplit-wide-types, ftree-scev-cprop): Likewise.
407         * c.opt (Wc++0x-compat): Add Warning attribute.
409 2007-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
411         PR middle-end/30761
412         * reload1.c (eliminate_regs_in_insn): In the single_set special
413         case, attempt to re-recognize the insn before falling back to
414         having reload fix it up.
416 2007-02-20  Eric Christopher  <echristo@gmail.com>
418         * config/frv/frv.c (frv_read_argument): Take a tree and int argument.
419         Rewrite accordingly.
420         (frv_read_iacc_argument): Ditto.
421         (frv_expand_set_builtin): Take a call instead of arglist, update for
422         above changes.
423         (frv_expand_unop_builtin): Ditto.
424         (frv_expand_binop_builtin): Ditto.
425         (frv_expand_cut_builtin): Ditto.
426         (frv_expand_binopimm_builtin): Ditto.
427         (frv_expand_voidbinop_builtin): Ditto.
428         (frv_expand_int_void2arg): Ditto.
429         (frv_expand_prefetches): Ditto.
430         (frv_expand_voidtriop_builtin): Ditto.
431         (frv_expand_voidaccop_builtin): Ditto.
432         (frv_expand_load_builtin): Ditto.
433         (frv_expand_store_builtin): Ditto.
434         (frv_expand_mdpackh_builtin): Ditto.
435         (frv_expand_mclracc_builtin): Ditto.
436         (frv_expand_mrdacc_builtin): Ditto.
437         (frv_expand_mwtacc_builtin): Ditto.
438         (frv_expand_builtin): Remove usage of CALL_EXPR_ARGS, update
439         calls for above.
441 2007-02-20  Janis Johnson  <janis187@us.ibm.com>
443         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcmpb and -mdfp.
444         * configure.ac (HAVE_GAS_CMPB): Check for assembler support of the
445         cmpb instruction.
446         (HAVE_GAS_DFP): Check for assembler support of decimal floating
447         point instructions.
448         * configure: Regenerate.
449         * config.in: Regenerate.
450         * config/rs6000/rs6000.opt (mcmpb, mdfp): New.
451         * config/rs6000/rs6000.c (rs6000_override_options): Add CMPB and DFP
452         masks to power6 and power6x and to POWERPC_MASKS.
453         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
454         _ARCH_PWR6.
455         * config/rs6000/rs6000.h: Check assembler support for CMPB and DFP.
456         * config/rs6000/sysv4.opt (mprototype): Use variable, not mask.
457         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
458         Access PROTOTYPE as variable, not mask.
460 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
462         * rtl.h (remove_reg_equal_equiv_notes): New prototype.
463         * rtlanal.c (remove_reg_equal_equiv_notes): New function.
464         * combine.c (adjust_for_new_dest): Use it.
465         * postreload.c (reload_combine): Likewise.
467 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
469         * rtlanal.c (find_reg_equal_equiv_note): Do not find REG_EQ*
470         notes on an insn with multiple sets, even if single_set returns
471         non-NULL for that insn.
473 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
475         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle scalb,
476         scalbn and scalbln.
478 2007-02-20  Geoffrey Keating  <geoffk@apple.com>
480         * config/darwin.h (LINK_SPEC): Default -mmacosx-version-min only
481         if user didn't pass it.
482         * config/i386/darwin.h (CC1_SPEC): Likewise.
483         * config/rs6000/darwin.h (CC1_SPEC): Likewise.
484         (DARWIN_MINVERSION_SPEC): Don't depend on user's setting of
485         -mmacosx-version-min.
487 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
488             Uros Bizjak  <ubizjak@gmail.com>
490         * optabs.h (enum optab_index): Add new OTI_scalb.
491         (scalb_optab): Define corresponding macro.
492         * optabs.c (init_optabs): Initialize scalb_optab.
493         * genopinit.c (optabs): Implement scalb_optab using scalb?f3
494         patterns.
495         * builtins.c (expand_builtin_mathfn_2, expand_builtin): Handle
496         BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L} and BUILT_IN_SCALBLN{,F,L}.
497         (expand_builtin): Expand BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L}
498         and BUILT_IN_SCALBLN{,F,L} using expand_builtin_mathfn_2 if
499         flag_unsafe_math_optimizations is set.
501         * config/i386/i386.md (scalbxf3, scalb<mode>3): New expanders
502         to implement scalbf, scalb and scalbl built-ins as inline x87
503         intrinsics.
505 2007-02-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
506             DJ Delorie <dj@redhat.com>
508         PR other/30824
509         * diagnostic.c (diagnostic_count_diagnostic): Move -Werror logic to...
510         (diagnostic_report_diagnostic): ... here, and turn them into real
511         errors. If warnings are inhibited, no need to do anything.
513 2007-02-20  Uros Bizjak  <ubizjak@gmail.com>
515         * config/i386/i386.md (expm1xf2): Reorder insn sequence for
516         better code generation.
518 2007-02-20  Ben Elliston  <bje@au.ibm.com>
520         * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove extra ;.
522 2007-02-20  Kazu Hirata  <kazu@codesourcery.com>
524         * config/alpha/alpha.c, config/alpha/alpha.md,
525         config/alpha/lib1funcs.asm, config/alpha/vms-crt0-64.c,
526         config/alpha/vms-psxcrt0-64.c, config/arc/arc.c,
527         config/arc/arc.h, config/arm/arm.c, config/arm/arm.md,
528         config/arm/lib1funcs.asm: Follow spelling conventions.
530         * config/c4x/c4x.md, config/cris/cris.c, config/crx/crx.c,
531         config/fr30/fr30.md, config/i386/i386.h,
532         config/iq2000/iq2000.h, config/iq2000/predicates.md,
533         config/pa/milli64.S, config/pa/pa.c, config/pa/pa.h,
534         config/pa/pa.md, config/pa/pa32-regs.h, config/pa/pa64-regs.h,
535         config/pdp11/pdp11.c, config/pdp11/pdp11.h,
536         config/rs6000/altivec.md, config/rs6000/rs6000.c,
537         config/s390/s390-modes.def, config/sparc/netbsd-elf.h,
538         config/sparc/sparc.c, config/sparc/sparc.h,
539         config/sparc/sparc.md, config/spu/constraints.md,
540         config/spu/spu.c, config/stormy16/stormy16.md: Follow spelling
541         conventions.
543 2007-02-20  Alan Modra  <amodra@bigpond.net.au>
545         PR target/29943
546         * varasm.c (use_blocks_for_decl_p): Return false for decls with
547         alias attribute.
549 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
551         * doc/invoke.texi (-ftree-lrs): Remove.
553 2007-02-19  Diego Novillo  <dnovillo@redhat.com>
555         * tree-ssa-pre.c (create_value_expr_from): Initialize POOL to
556         NULL.
558 2007-02-19  Lee Millward  <lee.millward@codesourcery.com>
560         * config/ia64/ia64.c (ia64_expand_builtin): Use the
561         new CALL_EXPR_FN macro for retrieving the function
562         declaration of the input expression.
564 2007-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
566         * c.opt (Waddress): New.
567         * common.opt (Walways-true): Delete.
568         (Wstring-literal-comparison): Delete.
569         * doc/invoke.texi (Warning Options): Delete -Walways-true and
570         -Wstring-literal-comparison. Add -Waddress.
571         (Waddress): New.
572         (Walways-true): Delete.
573         (Wstring-literal-comparison): Delete.
574         * doc/extend.texi (#pragma GCC diagnostic): Use -Wformat
575         consistently instead of -Walways-true in example.
576         * c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall.
577         * c-typeck.c (parser_build_binary_op): Replace
578         -Wstring-literal-comparison and -Walways-true with -Waddress.
579         * c-common.c (c_common_truthvalue_conversion): Replace -Walways-true
580         with -Waddress.
582 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
584         * tree-cfg.c (dump_function_to_file): Be prepared for functions
585         without DECL_STRUCT_FUNCTION initialized.
587 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
589         * gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap
590         due to calls to functions taking pointers as parameters.
592 2007-02-19  Richard Henderson  <rth@redhat.com>
594         PR debug/29558
595         * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
596         in memory.
598 2007-02-19  Andreas Krebbel  <krebbel1@de.ibm.com>
600         * config/s390/s390.c (s390_call_saved_register_used,
601         s390_function_ok_for_sibcall): Adjust the way CALL_EXPR arguments are
602         accessed to the new scheme.
604 2007-02-19  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
606         * config/cris/cris.c (cris_movem_load_rest_p, cris_store_multiple_op_p)
607         (cris_print_index, cris_print_operand, cris_print_operand_address)
608         (cris_reload_address_legitimized, cris_rtx_costs, cris_address_cost)
609         (cris_side_effect_mode_ok, cris_valid_pic_const, cris_split_movdx)
610         (cris_expand_pic_call_address): Use xxx_P predicate macros instead of
611         GET_CODE () == xxx.
612         * config/cris/cris.h (SECONDARY_RELOAD_CLASS, EXTRA_CONSTRAINT_Q,
613         EXTRA_CONSTRAINT_T, BDAP_INDEX_P, BIAP_INDEX_P, SIMPLE_ADDRESS_P,
614         GO_IF_LEGITIMATE_ADDRESS): Ditto.
615         * config/cris/cris.md (define_insns: *btst, movdi, *mov_side<mode>)
616         (*mov_sidesisf, *mov_side<mode>_mem, *mov_sidesisf_mem)
617         (*clear_side<mode>, movsi, *movsi_internal, *ext_sideqihi)
618         (*ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>, addsi3)
619         (*extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side)
620         (*extop<mode>si_swap_side, addi_mul, *addi,andsi3, andhi3, ashl<mode>3)
621         (uminsi3, call, call_value): Ditto.
622         (define_split: indir_to_reg_split, unnamed): Ditto.
624 2007-02-19  Dorit Nuzman  <dorit@il.ibm.com>
626         PR tree-optimization/30975
627         * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove
628         wrong assert.
630 2007-02-18  Eric Christopher  <echristo@gmail.com>
632         * mips.c (mips_prepare_builtin_arg): Add argnum parameter.
633         Remove use of arglist.
634         (mips_expand_builtin): Remove use of arglist, pass in expr.
635         (mips_expand_builtin_direct): Rewrite handling for arglist removal.
636         (mips_expand_builtin_movtf): Ditto.
637         (mips_expand_builtin_compare): Ditto.
639 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
641         * tree-sra.c (sra_build_assignment): Replace assertion
642         checking with a comment explaining why it can't be done.
644 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
646         PR middle-end/30833
647         * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed
648         during CALL_EXPR representation conversion.
649         * tree-ssa-propagate.c (set_rhs): Likewise.
651 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
653         * tree-sra.c (sra_build_assignment): Disable assertion checking
654         for now.
656 2007-02-18  Roger Sayle  <roger@eyesopen.com>
658         * function.c (gimplify_parameters): Call build_gimple_modify_stmt
659         instead of calling build2 with a GIMPLE_MODIFY_STMT.
660         * gimple-low.c (lower_function_body, lower_builtin_setjmp):
661         Likewise.
662         * gimplify.c (build_stack_save_restore, gimplify_return_expr,
663         gimplify_decl_expr,  gimplify_self_mod_expr, gimplify_cond_expr,
664         gimplify_init_ctor_eval_range, gimple_push_cleanup,
665         gimplify_omp_for, gimplify_omp_atomic_pipeline,
666         gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos,
667         force_gimple_operand): Likewise.
668         * ipa-cp.c (constant_val_insert): Likewise.
669         * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
670         lambda_loopnest_to_gcc_loopnest, replace_uses_equiv_to_x_with_y,
671         perfect_nestify): Likewise.
672         * langhooks.c (lhd_omp_assignment): Likewise.
673         * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses,
674         lower_copyprivate_clauses, lower_send_clauses,
675         lower_send_shared_vars, expand_parallel_call,
676         expand_omp_for_generic, expand_omp_for_static_nochunk,
677         expand_omp_for_static_chunk, expand_omp_sections,
678         lower_omp_single_copy, lower_omp_for_lastprivate,
679         lower_omp_parallel, init_tmp_var, save_tmp_var): Likewise.
680         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
681         tree_mod_subtract, tree_ic, tree_stringop_fixed_value):
682         Likewise.
684 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
686         * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h,
687         config/sh/sh.md: Follow spelling conventions.
689         * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md,
690         config/frv/predicates.md: Follow spelling conventions.
692         * config/m68k/linux-unwind.h: Fix a comment typo.
693         * target.h: Follow spelling conventions.
695 2007-02-18  Roger Sayle  <roger@eyesopen.com>
697         PR rtl-optimization/28173
698         * simplify-rtx.c (simplify_binary_operation_1) <IOR>:  Optimize
699         (X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects.
700         Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0.
701         Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2.
702         <AND>: Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2).
704 2007-02-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
706         * builtins.c (fold_builtin_load_exponent): New.
707         (fold_builtin_2): Use it.
709 2007-02-18  Steven Bosscher  <steven@gcc.gnu.org>
711         PR rtl-optimization/30773
712         * local-alloc.c (update_equiv_regs): Do not set reg_equiv_init
713         if we fail to attach a REG_EQUIV note.
715 2007-02-18  David Edelsohn  <edelsohn@gnu.org>
716             Roger Sayle  <roger@eyesopen.com>
718         * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter.
720 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
722         * calls.c (initialize_argument_information): Pass original EXP
723         and STRUCT_VALUE_ADDR_VALUE instead of a list of arguments.  Move
724         code to split complex arguments here, as part of initializing the
725         ARGS array.
726         (expand_call): Remove code that builds a list of arguments and
727         inserts implicit arguments into it.  Instead, just count how many
728         implicit arguments there will be so we can determine the size of
729         the ARGS array, and let initialize_argument_information do the work.
730         (split_complex_values): Delete unused function.
732 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
734         * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.
736 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
738         * calls.c (mem_overlaps_already_clobbered_arg_p): Return true
739         for arg pointer based indexed addressing.
741 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
743         * config/ia64/ia64.h, config/ia64/ia64.md,
744         config/ia64/predicates.md, config/ia64/sysv4.h: Follow
745         spelling conventions.
747 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
749         * config/m68k/m68k.c (split_di): New.
750         * config/m68k/m68k-protos.h: Declare split_di.
751         * config/m68k/m68k.md (extendsidi2*,ashldi3*,ashrdi3*,lshrdi3*):
752           Improve predicate handling and split constant shifts.
754 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
756         * config/m68k/m68k.md (extv,extzv,insv): disable dynamic
757         parameter for register bitfield operations, general predicates
758         cleanup
760 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
762         * config/m68k/linux.h (MD_UNWIND_SUPPORT): Define.
763         * config/m68k/linux-unwind.h: New file.
765 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
767         * cfgloop.c, config/alpha/alpha.c, config/bfin/bfin.c,
768         config/i386/athlon.md, config/ia64/ia64.md,
769         config/rs6000/rs6000.c, config/s390/s390.c, config/spu/spu.md,
770         df-problems.c, df.h, fold-const.c, ipa-cp.c, ipa-inline.c,
771         ipa-prop.h, see.c, struct-equiv.c, tree-inline.c,
772         tree-ssa-loop-niter.c, tree-vect-analyze.c,
773         tree-vect-transform.c: Fix comment typos.
775 2007-02-17  Kazu Hirata  <kazu@codesourcery.com>
777         * sched-deps.c (find_insn_list): Remove.
778         * sched-int.h: Remove the prototype for find_insn_list.
780 2007-02-16  Geoffrey Keating  <geoffk@apple.com>
782         * config/darwin.h (LINK_SPEC): Always pass -macosx_version_min
783         to linker.
784         (DARWIN_EXTRA_SPECS): Add %(darwin_minversion).
785         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Just call
786         darwin_rs6000_override_options.
787         (C_COMMON_OVERRIDE_OPTIONS): Expect
788         darwin_macosx_version_min to be non-NULL always.
789         (TARGET_C99_FUNCTIONS): Likewise.
790         (CC1_SPEC): Always pass -mmacosx-version-min to cc1*.
791         (DARWIN_MINVERSION_SPEC): New.
792         * config/rs6000/rs6000.c (darwin_rs6000_override_options): New.
793         * config/i386/darwin.h (CC1_SPEC): Always pass -mmacosx-version-min
794         to cc1*.
795         (DARWIN_MINVERSION_SPEC): New.
796         * config/darwin.opt (mmacosx-version-min): Initialize to non-NULL
797         value.
798         * config/darwin-c.c (darwin_cpp_builtins): Expect
799         darwin_macosx_version_min to be non-NULL always.
801         * config/rs6000/rs6000.c: Clean up trailing whitespace.
803 2007-02-16  Uros Bizjak  <ubizjak@gmail.com>
805         * config/i386/i386.h (x86_use_xchgb): New.
806         (TARGET_USE_XCHGB): New macro.
807         * config/i386/i386.c (x86_use_xchgb): Set for PENT4.
808         * config/i386/i386.md (*rotlhi3_1 splitter, *rotrhi3_1 splitter):
809         Split after reload into bswaphi for shifts of 8.
810         (bswaphi_lowpart): Generate rolw insn for HImode byte swaps.
811         (*bswaphi_lowpart_1): Generate xchgb for Q registers for TARGET_XCHGB
812         or when optimizing for size.
814 2007-02-16  Richard Guenther  <rguenther@suse.de>
815             Christian Bruel  <christian.bruel@st.com>
817         * fold-const.c (tree_swap_operands_p): Treat SSA_NAMEs like
818         DECLs but prefer SSA_NAMEs over DECLs.
820 2007-02-16  Richard Guenther  <rguenther@suse.de>
822         * tree-flow-inline.h (single_imm_use_p): Remove.
823         (zero_imm_uses_p): Likewise.
824         * tree-ssa-coalesce.c (create_outofssa_var_map): Use has_single_use
825         instead of single_imm_use_p.
826         * tree-cfg.c (replace_uses_by): Use has_zero_use instead of
827         zero_imm_uses_p.
829 2007-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
831         PR other/27843
832         * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid
833         nested double- and backquotes.
835 2007-02-15  Roger Sayle  <roger@eyesopen.com>
837         PR middle-end/30391
838         * tree.c (expr_align): Handle MODIFY_EXPR.  GIMPLE_MODIFY_STMT
839         should be unreachable.
840         (build2_stat): Allow construction of MODIFY_EXPR at any time.
841         For the time being redirect GIMPLE_MODIFY_STMT to the new
842         (renamed) build_gimple_modify_stmt_stat.
843         (build2_gimple_stat): Rename to...
844         (build_gimple_modify_stmt_stat): Now longer take a CODE argument.
845         Always build a GIMPLE_MODIFY_STMT node.
846         * tree.h (build2_gimple, build2_gimple_stat): Delete.
847         (build_gimple_modify_stmt, build_gimple_modify_stmt_stat): New
848         declarations.
850         * tree-cfg.c (factor_computed_gotos, tree_merge_blocks,
851         gimplify_val): Use build_gimple_modify_stmt instead of build2_gimple.
852         * tree-complex.c (set_component_ssa_name, expand_complex_move,
853         expand_complex_div_wide): Likewise.
854         * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
855         * tree-ssa-loop-im.c (schedule_sm): Likewise.
856         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Likewise.
857         * tree-ssa-loop-manip.c (create_iv): Likewise.
858         * tree-ssa-phiopt.c (conditional_replacement, minmax_replacement,
859         abs_replacement): Likewise.
860         * tree-ssa-pre.c (create_expression_by_pieces, poolify_modify_stmt,
861         realify_fake_stores): Likewise.
863         * builtins.c (std_expand_builtin_va_start): Build a MODIFY_EXPR
864         node rather than a GIMPLE_MODIFY_STMT node.
865         (std_gimpify_va_arg_expr, expand_builtin_va_copy,
866         fold_builtin_memset, fold_builtin_memory_op, do_mpfr_sincos):
867         Likewise.
868         (integer_valued_real_p): Handle MODIFY_EXPR, not GIMPLE_MODIFY_STMT.
869         * expr.c (expand_expr_real_1): Handle both MODIFY_EXPR and
870         GIMPLE_MODIFY_STMT.
872 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
874         PR middle-end/30433
875         * fold-const.c (fold_comparison): Add back the
876         folding of constant complex comparisions.
878 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
880         PR middle-end/30729
881         * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
882         effects unknown to this function, return early.
884 2007-02-15  Ian Lance Taylor  <iant@google.com>
886         * lower-subreg.c (move_eh_region_note): New static function.
887         (resolve_simple_move): Call it.
888         (decompose_multiword_subregs): Track blocks for which we resolve a
889         simple move which is also a control flow insn.  Pass them to
890         find_many_sub_basic_blocks.
891         (pass_lower_subreg): Add TODO_verify_flow.
892         (pass_lower_subreg2): Likewise.
894 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
895             Brooks Moses  <brooks.moses@codesourcery.com>
896             Lee Millward  <lee.millward@codesourcery.com>
898         * tree.h (enum tree_code_class): Add tcc_vl_exp.
899         (VL_EXP_CLASS_P): New.
900         (TREE_OPERAND_CHECK): Use TREE_OPERAND_LENGTH instead of
901         TREE_CODE_LENGTH.
902         (TREE_OPERAND_CHECK_CODE): Likewise.
903         (GIMPLE_STMT_OPERAND_CHECK): Likewise.
904         (TREE_RTL_OPERAND_CHECK): Likewise.
905         (tree_operand_check_failed): Make second parameter the whole tree
906         instead of its code.  Fixed callers.
907         (VL_EXP_CHECK): New.
908         (TREE_OPERAND_LENGTH): New.
909         (VL_EXP_OPERAND_LENGTH): New.
910         (CALL_EXPR_FN): New.
911         (CALL_EXPR_STATIC_CHAIN): New.
912         (CALL_EXPR_ARGS): New.
913         (CALL_EXPR_ARG): New.
914         (call_expr_nargs): New.
915         (CALL_EXPR_ARGP): New.
916         (build_nt_call_list): Declare.
917         (build_vl_exp_stat): Declare.
918         (build_vl_exp): New.
919         (build_call_list): Declare.
920         (build_call_nary): Declare.
921         (build_call_valist): Declare.
922         (build_call_array): Declare.
923         (call_expr_arg): Declare.
924         (call_expr_argp): Declare.
925         (call_expr_arglist): Declare.
926         (fold_build_call_list): Declare.
927         (fold_build_call_list_initializer): Declare.
928         (fold_call_expr): Declare to replace fold_builtin.
929         (fold_builtin_fputs): Update to agree with modified definition.
930         (fold_builtin_strcpy): Likewise.
931         (fold_builtin_strncpy): Likewise.
932         (fold_builtin_memory_chk): Likewise.
933         (fold_builtin_stxcpy_chk): Likewise.
934         (fold_builtin_strncpy_chk): Likewise.
935         (fold_builtin_next_arg): Likewise.
936         (fold_build_call_expr): Declare.
937         (fold_builtin_call_list): Declare.
938         (fold_builtin_call_valist): Declare.
939         (build_call_expr): Declare.
940         (validate_arglist): Update to agree with modified definition.
941         (tree_operand_length): New.
942         (call_expr_arg_iterator): New.
943         (init_call_expr_arg_iterator): New.
944         (next_call_expr_arg): New.
945         (first_call_expr_arg): New.
946         (more_call_expr_args_p): New.
947         (FOR_EACH_CALL_EXPR_ARG): New.
949         * tree.c (tree_code_class_string): Add entries for tcc_vl_exp
950         and tcc_gimple_stmt.
951         (tree_code_size): Update documentation.  Use sizeof (tree) rather
952         than sizeof (char *).
953         (tree_size): Likewise.  Add case for tcc_vl_exp.
954         (tree_node_structure): Add case for tcc_vl_exp.
955         (contains_placeholder_p): Likewise.
956         (substitute_in_expr): Likewise.
957         (substitute_placeholder_in_expr): Likewise.
958         (stabilize_reference_1): Likewise.
959         (build3_stat): Remove logic for CALL_EXPRs.  Replace with assertion
960         to diagnose breakage of this interface for constructing CALL_EXPRs.
961         (build_nt): Add similar assertion here.
962         (build_nt_call_list): New.
963         (simple_cst_equal) <CALL_EXPR>: Rewrite to use new accessors.
964         (iterative_hash_expr): Use TREE_OPERAND_LENGTH instead of
965         TREE_CODE_LENGTH.
966         (get_callee_fndecl): Use new CALL_EXPR accessors.
967         (tree_operand_check_failed): Change parameters to pass entire node
968         instead of its code, so that we can call TREE_OPERAND_LENGTH on it.
969         (process_call_operands): New.
970         (build_vl_exp_stat): New.
971         (build_call_list): New.
972         (build_call_nary): New.
973         (build_call_valist): New.
974         (build_call_array): New.
975         (walk_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
976         (call_expr_arglist): New.
978         * tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use
979         tcc_vl_exp instead of a fixed-size tcc_expression.
981         * doc/c-tree.texi (CALL_EXPR): Document new representation and
982         accessors for CALL_EXPRs.
983         (AGGR_INIT_EXPR): Likewise.
985 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
986             Brooks Moses  <brooks.moses@codesourcery.com>
987             Lee Millward  <lee.millward@codesourcery.com>
989         * builtins.c (c_strlen): Return NULL_TREE instead of 0.
990         (expand_builtin_nonlocal_goto): Change parameter to be entire
991         CALL_EXPR instead of an arglist.  Use new CALL_EXPR accessors.
992         (expand_builtin_prefetch): Likewise.
993         (expand_builtin_classify_type): Likewise.
994         (mathfn_built_in): Return NULL_TREE instead of 0.
995         (expand_errno_check): Use new CALL_EXPR accessors.
996         (expand_builtin_mathfn): Use new CALL_EXPR accessors and constructors.
997         Return NULL_RTX instead of 0.
998         (expand_builtin_mathfn_2): Likewise.
999         (expand_builtin_mathfn_3): Likewise.
1000         (expand_builtin_interclass_mathfn): Likewise.
1001         (expand_builtin_sincos): Likewise.
1002         (expand_builtin_cexpi): Likewise.
1003         (expand_builtin_int_roundingfn): Likewise.
1004         (expand_builtin_int_roundingfn_2): Likewise.
1005         (expand_builtin_pow): Likewise.
1006         (expand_builtin_powi): Likewise.
1007         (expand_builtin_strlen): Pass entire CALL_EXPR as parameter instead
1008         of arglist, fixing callers appropriately.  Use new CALL_EXPR
1009         accessors and constructors.  Return NULL_RTX instead of 0.
1010         (expand_builtin_strstr): Likewise.
1011         (expand_builtin_strchr): Likewise.
1012         (expand_builtin_strrchr): Likewise.
1013         (expand_builtin_strpbrk): Likewise.
1014         (expand_builtin_memcpy): Likewise.
1015         (expand_builtin_mempcpy): Likewise.
1016         (expand_builtin_mempcpy_args): New.
1017         (expand_builtin_memmove): Similarly to expand_builtin_mempcpy.
1018         (expand_builtin_memmove_args): New.
1019         (expand_builtin_bcopy): Similarly to expand_builtin_mempcpy.
1020         (expand_movstr): Likewise.
1021         (expand_builtin_strcpy): Likewise.
1022         (expand_builtin_strcpy_args): New.
1023         (expand_builtin_stpcpy): Similarly to expand_builtin_strcpy.
1024         (expand_builtin_strncpy): Likewise.
1025         (expand_builtin_memset): Likewise.
1026         (expand_builtin_memset_args): New.
1027         (expand_builtin_bzero): Similarly to expand_builtin_memset.
1028         (expand_builtin_memcmp): Likewise.
1029         (expand_builtin_strcmp): Likewise.
1030         (expand_builtin_strncmp): Likewise.
1031         (expand_builtin_strcat): Likewise.
1032         (expand_builtin_strncat): Likewise.
1033         (expand_builtin_strspn): Likewise.
1034         (expand_builtin_strcspn): Likewise.
1035         (expand_builtin_args_info): Likewise.
1036         (expand_builtin_va_start): Likewise.
1037         (gimplify_va_arg_expr): Likewise.
1038         (expand_builtin_va_end): Likewise.
1039         (expand_builtin_va_copy): Likewise.
1040         (expand_builtin_frame_address): Likewise.
1041         (expand_builtin_alloca): Likewise.
1042         (expand_builtin_bswap): Likewise.
1043         (expand_builtin_unop): Likewise.
1044         (expand_builtin_fputs): Likewise.
1045         (expand_builtin_expect): Likewise.
1046         (expand_builtin_fabs): Likewise.
1047         (expand_builtin_copysign): Likewise.
1048         (expand_builtin_printf): Likewise.
1049         (expand_builtin_fprintf): Likewise.
1050         (expand_builtin_sprintf): Likewise.
1051         (expand_builtin_init_trampoline): Likewise.
1052         (expand_builtin_signbit): Likewise.
1053         (expand_builtin_fork_or_exec): Likewise.
1054         (expand_builtin_sync_operation): Likewise.
1055         (expand_builtin_compare_and_swap): Likewise.
1056         (expand_builtin_lock_test_and_set): Likewise.
1057         (expand_builtin_lock_release): Likewise.
1058         (expand_builtin): Likewise.
1059         (builtin_mathfn_code): Likewise.
1061         (fold_builtin_constant_p): Pass call arguments individually instead
1062         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
1063         accessors and constructors.  Return NULL_TREE instead of 0.
1064         (fold_builtin_expect): Likewise.
1065         (fold_builtin_classify_type): Likewise.
1066         (fold_builtin_strlen): Likewise.
1067         (fold_builtin_nan): Likewise.
1068         (integer_valued_real_p): Likewise.
1069         (fold_trunc_transparent_mathfn): Likewise.
1070         (fold_fixed_mathfn): Likewise.
1071         (fold_builtin_cabs): Likewise.
1072         (fold_builtin_sqrt): Likewise.
1073         (fold_builtin_cbrt): Likewise.
1074         (fold_builtin_cos): Likewise.
1075         (fold_builtin_cosh): Likewise.
1076         (fold_builtin_tan): Likewise.
1077         (fold_builtin_sincos): Likewise.
1078         (fold_builtin_cexp): Likewise.
1079         (fold_builtin_trunc): Likewise.
1080         (fold_builtin_floor): Likewise.
1081         (fold_builtin_ceil): Likewise.
1082         (fold_builtin_round): Likewise.
1083         (fold_builtin_int_roundingfn): Likewise.
1084         (fold_builtin_bitop): Likewise.
1085         (fold_builtin_bswap): Likewise.
1086         (fold_builtin_logarithm): Likewise.
1087         (fold_builtin_hypot): Likewise.
1088         (fold_builtin_pow): Likewise.
1089         (fold_builtin_powi): Likewise.
1090         (fold_builtin_exponent): Likewise.
1091         (fold_builtin_memset): Likewise.
1092         (fold_builtin_bzero): Likewise.
1093         (fold_builtin_memory_op): Likewise.
1094         (fold_builtin_bcopy): Deleted; call site changed to invoke
1095         fold_builtin_memory_op directly.
1096         (fold_builtin_strcpy): Similarly as for fold_builtin_memory_op.
1097         (fold_builtin_strncpy): Likewise.
1098         (fold_builtin_memcmp): Likewise.
1099         (fold_builtin_strcmp): Likewise.
1100         (fold_builtin_strncmp): Likewise.
1101         (fold_builtin_signbit): Likewise.
1102         (fold_builtin_copysign): Likewise.
1103         (fold_builtin_isascii): Likewise.
1104         (fold_builtin_toascii): Likewise.
1105         (fold_builtin_isdigit): Likewise.
1106         (fold_builtin_fabs): Likewise.
1107         (fold_builtin_abs): Likewise.
1108         (fold_builtin_fmin_fmax): Likewise.
1109         (fold_builtin_carg): Likewise.
1110         (fold_builtin_classify): Likewise.
1111         (fold_builtin_unordered_cmp): Likewise.
1113         (fold_builtin_0, fold_builtin_2, fold_builtin_3, fold_builtin_4):
1114         New functions split out from fold_builtin_1.
1115         (fold_builtin_n): New.
1116         (fold_builtin_varargs): New.
1117         (fold_builtin): Deleted.  Most callers changed to use fold_call_expr
1118         instead.
1119         (fold_call_expr): New.
1120         (build_function_call_expr): Rewrite to use new helper function.
1121         (fold_builtin_call_list): New.
1122         (build_call_expr): New.
1123         (fold_builtin_call_valist): New.
1124         (rewrite_call_expr): New.
1125         (validate_arg): New.
1126         (validate_arglist): Change parameter to be entire CALL_EXPR instead
1127         of an arglist.  Change return type to bool.  Use new CALL_EXPR
1128         accessors.
1130         (fold_builtin_strstr):  Pass call arguments individually instead
1131         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
1132         accessors and constructors.  Return NULL_TREE instead of 0.
1133         (fold_builtin_strchr): Likewise.
1134         (fold_builtin_strrchr): Likewise.
1135         (fold_builtin_strpbrk): Likewise.
1136         (fold_builtin_strcat): Likewise.
1137         (fold_builtin_strncat): Likewise.
1138         (fold_builtin_strspn): Likewise.
1139         (fold_builtin_strcspn): Likewise.
1140         (fold_builtin_fputs): Likewise.
1141         (fold_builtin_next_arg): Likewise.
1142         (fold_builtin_sprintf): Likewise.
1144         (expand_builtin_object_size): Use new CALL_EXPR accessors.  Use
1145         NULL_RTX instead of 0.
1146         (expand_builtin_memory_chk): Likewise.
1147         (maybe_emit_chk_warning): Likewise.
1148         (maybe_emit_sprintf_chk_warning): Likewise.
1150         (fold_builtin_object_size): Pass call arguments individually instead
1151         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
1152         accessors and constructors.  Return NULL_TREE instead of 0.
1153         (fold_builtin_memory_chk): Likewise.
1154         (fold_builtin_stxcpy_chk): Likewise.
1155         (fold_builtin_strncpy_chk): Likewise.
1156         (fold_builtin_strcat_chk): Likewise.
1157         (fold_builtin_strcat_chk): Likewise.
1158         (fold_builtin_strncat_chk): Likewise.
1159         (fold_builtin_sprintf_chk): Likewise.
1160         (fold_builtin_snprintf_chk): Likewise.
1161         (fold_builtin_printf): Likewise.
1162         (fold_builtin_vprintf): Likewise.
1164         * fold-const.c (negate_expr_p): Use new CALL_EXPR accessors and
1165         constructors.
1166         (operand_equal_p): Add separate tcc_vl_exp/CALL_EXPR case.
1167         (make_range): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1168         (extract_muldiv_1): Add VL_EXP_CLASS_P case.
1169         (fold_mathfn_compare): Use new CALL_EXPR accessors and constructors.
1170         (fold_unary): Likewise.
1171         (fold_binary): Likewise.
1172         (fold_ternary): Remove CALL_EXPR case, since they are no longer
1173         ternary expressions.
1174         (fold): Add logic for tcc_vl_exp.
1175         (fold_checksum_tree):  Make it know about tcc_vl_exp.  Use
1176         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1177         (fold_build3_stat): Add assertion to flag broken interface for
1178         constructing CALL_EXPRs.
1179         (fold_build_call_list): New.
1180         (fold_build_call_list_initializer): New.
1181         (tree_expr_nonnegative_p): Use new CALL_EXPR accessors and
1182         constructors.
1183         (fold_strip_sign_ops): Likewise.
1185 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
1186             Brooks Moses  <brooks.moses@codesourcery.com>
1187             Lee Millward  <lee.millward@codesourcery.com>
1189         * tree-dump.c (dequeue_and_dump) <CALL_EXPR>: Use new CALL_EXPR
1190         accessors and dump arguments explicitly.
1192         * tree-pretty-print.c (do_niy): Use TREE_OPERAND_LENGTH instead of
1193         TREE_CODE_LENGTH.
1194         (dump_generic_node): Use new CALL_EXPR accessors and walk arguments
1195         explicitly.
1196         (print_call_name): Use new CALL_EXPR accessors.
1198         * print-tree.c (print_node): Add case tcc_vl_exp.  Print
1199         CALL_EXPR arguments explicitly instead of as a list.  Use
1200         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1202         * tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors.
1203         (vrp_visit_stmt): Likewise.
1205         * tree-ssa-loop-im.c (outermost_invariant_loop_expr):  Make it
1206         know about tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of
1207         TREE_CODE_LENGTH.
1208         (force_move_till_expr): Likewise.
1210         * targhooks.c (default_external_stack_protect_fail): Use
1211         build_call_expr instead of build_function_call_expr.
1212         (default_hidden_stack_protect_fail): Likewise.
1214         * tree-complex.c (expand_complex_libcall): Use build_call_expr to
1215         build the call.
1217         * cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors
1218         and walk arguments explicitly.
1220         * tree-ssa-loop-niter.c (simplify_replace_tree): Use
1221         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1222         (expand_simple_operations): Likewise.
1223         (infer_loop_bounds_from_array): Use new CALL_EXPR accessors.
1225         * gengtype.c (adjust_field_tree_exp): Use TREE_OPERAND_LENGTH instead
1226         of TREE_CODE_LENGTH.
1227         (walk_type): Tweak walking of arrays not to blow up on CALL_EXPRs.
1229         * optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH
1230         instead of TREE_CODE_LENGTH.
1232         * value_prof.c (tree_ic): Use new CALL_EXPR accessors.
1233         (tree_ic_transform): Likewise.
1234         (interesting_stringop_to_profile_p): Pass entire CALL_EXPR as
1235         parameter instead of arglist.  Fix callers.
1236         (tree_stringop_fixed_value): Use new CALL_EXPR accessors.
1237         (tree_stringops_transform): Likewise.
1238         (tree_indirect_call_to_profile): Likewise.
1239         (tree_stringops_values_to_profile): Likewise.
1241         * tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator.
1242         (eliminate_tail_call): Likewise.
1244         * ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors.
1246         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
1247         Use TREE_OPERAND_LENGTH and generalize to handle any number of
1248         operands.
1249         (instantiate_parameters_1): Can't handle tcc_vl_exp here.
1251         * omp-low.c (build_omp_barrier): Use build_call_expr.
1252         (lower_rec_input_clauses): Likewise.
1253         (lower_reduction_clauses): Likewise.
1254         (expand_parallel_call): Likewise.
1255         (maybe_catch_exception): Likewise.
1256         (expand_omp_for_generic): Likewise.
1257         (expand_omp_for_static_nochunk): Likewise.
1258         (expand_omp_sections): Likewise.
1259         (lower_omp_single_simple): Likewise.
1260         (lower_omp_single_copy): Likewise.
1261         (lower_omp_master): Likewise.
1262         (lower_omp_ordered): Likewise.
1263         (lower_omp_critical): Likewise.
1265         * ipa-reference.c (check-call): Use new CALL_EXPR iterator.
1266         (scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR.
1268         * tree-gimple.c (is_gimple_call_addr): Fix doc.
1269         (recalculate_side_effects): Use TREE_OPERAND_LENGTH instead of
1270         TREE_CODE_LENGTH.  Add tcc_vl_exp case.
1272         * tree-chrec.c (chrec_contains_symbols): Use TREE_OPERAND_LENGTH
1273         and generalize to handle any number of operands.
1274         (chrec_contains_undetermined): Likewise.
1275         (tree_contains_chrecs): Likewise.
1276         (evolution_function_is_invariant_rec_p): Use TREE_OPERAND_LENGTH.
1278         * cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors.
1280         * tree-ssa-ccp.c (ccp_fold): Use new CALL_EXPR accessors.  Use
1281         fold_call_expr instead of fold_builtin.
1282         (ccp_fold_builtin): Likewise.  Update calls into builtins.c to
1283         match declarations there.
1284         (fold_stmt): Use new CALL_EXPR constructor and accessors.  Doc
1285         updates.
1287         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use
1288         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1290         * ipa-pure-const.c (check_call): Use new CALL_EXPR accessors.
1291         (scan_function): Add case tcc_vl_exp for CALL_EXPR.
1293         * tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR
1294         accessors.
1296         * tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr.
1297         (execute_cse_sincos): Use new CALL_EXPR accessors.
1299         * tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator.
1301         * gimple-low.c (lower_function_body): Use build_call_expr.
1302         (lower_builtin_setjmp): Likewise.
1304         * expr.c (emit_block_move_via_libcall): Use build_call_expr.
1305         (set_storage_via_libcall): Likewise.
1306         (safe_from_p): Add tcc_vl_exp case.  Use TREE_OPERAND_LENGTH
1307         instead of TREE_CODE_LENGTH.
1308         (expand_expr_real_1): Use new CALL_EXPR accessors.
1310         * tree-browser.c (store_child_info): Use TREE_OPERAND_LENGTH and
1311         generalize to handle any number of operands.
1312         (TB_parent_eq): Likewise.
1314         * predict.c (expr_expected_value): Use new CALL_EXPR accessors.
1315         (strip_builtin_expect): Likewise.
1317         * function.c (gimplify_parameters): Use build_call_expr.
1319         * tree-vectorizer.c (vect_is_simple_reduction): Use TREE_OPERAND_LENGTH
1320         instead of TREE_CODE_LENGTH.
1322         * ipa-type-escape.c (check_call): Use new CALL_EXPR iterators.
1323         (scan_for_refs): Add case tcc_vl_exp for CALL_EXPR.
1325         * tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR
1326         iterators.
1328         * gimplify.c (build_stack_save_restore): Use build_call_expr.
1329         (gimplify_decl_expr): Likewise.
1330         (gimplify_call_expr): Use fold_call_expr instead of fold_builtin.
1331         Use new CALL_EXPR iterators.
1332         (gimplify_modify_expr_to_memcpy): Use build_call_expr.
1333         (gimplify_modify_expr_to_memset): Likewise.
1334         (gimplify_variable_sized_compare): Likewise.
1335         (gimplify_omp_atomic_fetch_op): Likewise.
1336         (gimplify_omp_atomic_pipeline): Likewise.
1337         (gimplify_omp_atomic_mutex): Likewise.
1338         (gimplify_function_tree): Likewise.
1340         * calls.c (alloca_call_p): Use new CALL_EXPR accessors.
1341         (call_expr_flags): Likewise.
1342         (expand_call): Likewise.
1344         * except.c (expand_builtin_eh_return_data_regno): Pass entire
1345         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
1346         accessors.
1348         * coverage.c (create_coverage): Use build_call_expr.
1350         * tree-ssa-pre.c (expression_node_pool, list_node_pool): Delete.
1351         (temp_call_expr_obstack): New.
1352         (pool_copy_list): Delete.
1353         (temp_copy_call_expr): New.
1354         (phi_translate): Add case tcc_vl_exp for CALL_EXPR.  Use new
1355         CALL_EXPR accessors.  Get rid of special goo for copying argument
1356         lists and use temp_copy_call_expr instead.
1357         (valid_in_sets): Add case tcc_vl_exp for CALL_EXPR.  Use new
1358         CALL_EXPR accessors.
1359         (create_expression_by_pieces): Likewise.  Use build_call_array
1360         to construct the result instead of fold_build3.
1361         (create_value_expr_from): Add tcc_vl_exp.  Delete special goo for
1362         dealing with argument lists.
1363         (init_pre): Remove references to expression_node_pool and
1364         list_node_pool.  Init temp_call_expr_obstack instead.
1365         (fini_pre): Remove references to expression_node_pool and
1366         list_node_pool.
1368         * tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors
1369         and walk arguments explicitly instead of as a list.
1371         * tree-mudflap.c (mf_build_check_statement_for): Use build_call_expr.
1372         (mx_register_decls): Likewise.
1373         (mudflap_register_call): Likewise.
1374         (mudflap_finish_file): Likewise.
1376         * ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors.
1377         (ipa_callsite_compute_param): Likewise.
1379         * tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR
1380         accessors and constructor.
1382         * tree-nested.c (convert_nl_goto_reference): Use new CALL_EXPR
1383         accessors and constructor.
1384         (convert_tramp_reference): Likewise.
1385         (convert_call_expr): Likewise.
1386         (finalize_nesting_tree_1): Likewise.
1388         * tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR
1389         accessors.
1391         * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr.
1393         * tree-inline.c (initialize_inlined_parameters): Pass entire
1394         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
1395         accessors.
1396         (estimate_num_insns_1): Use new CALL_EXPR accessors.
1397         (expand_call_inline): Tidy up call to initialize_inlined_parameters.
1399         * tree-vect-transform.c (vect_create_epilog_for_reduction):  Use
1400         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1401         (vectorizable_reduction): Likewise.
1402         (vectorizable_call): Use new CALL_EXPR iterators.
1403         (vectorizable_conversion): Use build_call_expr.
1404         (vectorizable_operation): Use TREE_OPERAND_LENGTH.
1405         (vect_gen_widened_results_half): Use build_call_expr.
1406         (vect_setup_realignment): Likewise.
1407         (vectorizable_live_operation): Use TREE_OPERAND_LENGTH.
1409         * tree-object-size.c (alloc_object_size): Use new CALL_EXPR accessors.
1410         (pass_through_call): Likewise.
1411         (compute_object_sizes): Likewise.  Use fold_call_expr instead of
1412         fold_builtin.
1414         * tree-profile.c (tree_gen_interval_profiler): Use build_call_expr.
1415         (tree_gen_pow2_profiler): Likewise.
1416         (tree_gen_one_value_profiler): Likewise.
1417         (tree_gen_ic_func_profiler): Likewise.
1418         (tree_gen_average_profiler): Likewise.
1419         (tree_gen_ior_profiler): Likewise.
1421         * tree-ssa-structalias.c (get_constraint_for): Add case tcc_vl_exp.
1422         (find_func_aliases): Use new CALL_EXPR accessors.  Add case
1423         tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1425         * tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead
1426         of TREE_CODE_LENGTH.
1428         * stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead
1429         of TREE_CODE_LENGTH.
1431         * convert.c (convert_to_real): Use new CALL_EXPR accessors and
1432         constructor.
1433         (convert_to_integer): Likewise.
1435         * tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR
1436         accessors.
1438 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
1439             Brooks Moses  <brooks.moses@codesourcery.com>
1440             Lee Millward  <lee.millward@codesourcery.com>
1442         * config/alpha/alpha.c (alpha_expand_builtin): Use new CALL_EXPR
1443         accessors.
1444         * config/frv/frv.c (frv_expand_builtin): Likewise.
1445         * config/s390/s390.c (s390_expand_builtin): Likewise.
1447         * config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr.
1448         (sparc_expand_builtin): Use new CALL_EXPR accessors.
1450         * config/i386/i386.c (ix86_function_ok_for_sibcall): Likewise.
1451         (ix86_expand_binop_builtin): Pass entire CALL_EXPR as parameter
1452         instead of arglist.  Use new CALL_EXPR accessors on it.  Fix callers.
1453         (ix86_expand_store_builtin): Likewise.
1454         (ix86_expand_unop_builtin): Likewise.
1455         (ix86_expand_unop1_builtin): Likewise.
1456         (ix86_expand_sse_compare): Likewise.
1457         (ix86_expand_sse_comi): Likewise.
1458         (ix86_expand_vec_init_builtin): Likewise.
1459         (ix86_expand_vec_ext_builtin): Likewise.
1460         (ix86_expand_vec_set_builtin): Likewise.
1461         (ix86_expand_builtin): Use new CALL_EXPR accessors.
1463         * config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors.
1464         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
1466         * config/iq2000/iq2000.c (expand_one_builtin): Pass entire CALL_EXPR
1467         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
1468         (iq2000_expand_builtin): Use new CALL_EXPR accessors.
1470         * config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Use
1471         build_call_expr.
1472         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
1473         (rs6000_expand_unop_builtin): Pass entire CALL_EXPR instead of
1474         arglist.  Use new CALL_EXPR accessors.  Fix callers.
1475         (altivec_expand_abs_builtin): Likewise.
1476         (rs6000_expand_binop_builtin): Likewise.
1477         (altivec_expand_predicate_builtin): Likewise.
1478         (altivec_expand_lv_builtin): Likewise.
1479         (spe_expand_stv_builtin): Likewise.
1480         (altivec_expand_stv_builtin): Likewise.
1481         (rs6000_expand_ternop_builtin): Likewise.
1482         (altivec_expand_ld_builtin): Use new CALL_EXPR accessors.
1483         (altivec_expand_st_builtin): Likewise.
1484         (altivec_expand_dst_builtin): Likewise.
1485         (altivec_expand_vec_init_builtin): Pass entire CALL_EXPR instead of
1486         arglist.  Use new CALL_EXPR accessors.  Fix callers.
1487         (altivec_expand_vec_set_builtin): Likewise.
1488         (altivec_expand_vec_ext_builtin): Likewise.
1489         (altivec_expand_builtin): Use new CALL_EXPR accessors.
1490         (spe_expand_builtin): Likewise.
1491         (spe_expand_predicate_builtin): Pass entire CALL_EXPR instead of
1492         arglist.  Use new CALL_EXPR accessors.  Fix callers.
1493         (spe_expand_evsel_builtin): Likewise.
1494         (rs6000_expand_builtin): Use new CALL_EXPR accessors.  VCFUX and
1495         FCFSX cases must construct whole new CALL_EXPR, not just arglist.
1497         * config/arm/arm.c (arm_expand_binop_builtin): Pass entire CALL_EXPR
1498         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
1499         (arm_expand_unop_builtin): Likewise.
1500         (arm_expand_builtin): Use new CALL_EXPR accessors.
1502         * config/mips/mips.c (mips_expand_builtin):  Use new CALL_EXPR
1503         accessors.
1505         * config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire CALL_EXPR
1506         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
1507         (bfin_expand_unop_builtin): Likewise.
1508         (bfin_expand_builtin): Use new CALL_EXPR accessors.
1510 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
1511             Brooks Moses  <brooks.moses@codesourcery.com>
1512             Lee Millward  <lee.millward@codesourcery.com>
1514         * c-semantics.c (build_stmt): Add internal diagnostic check.
1516         * c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR
1517         accessors.  Print arguments explicitly instead of as a list.
1519         * c-typeck.c (build_function_call): Use new CALL_EXPR constructors.
1521         * c-omp.c (c_finish_omp_barrier): Use build_call_expr.
1522         (c_finish_omp_flish): Likewise.
1524         * c-common.c (verify_tree): Use new CALL_EXPR accessors.  Traverse
1525         arguments explicitly instead of as a list.  Use TREE_OPERAND_LENGTH
1526         instead of TREE_CODE_LENGTH.
1527         (check_function_arguments_recurse): Use new CALL_EXPR accessors.
1528         (c_warn_unused_result): Likewise.
1530 2007-02-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1532         PR c/26494
1533         * doc/invoke.texi (Warning Options): Remove
1534         -Werror-implicit-function-declaration.
1535         (Wimplicit-function-declaration): Update description.
1536         * opts.c (common_handle_option): Move handling of -Werror=* to...
1537         (enable_warning_as_error): ...here.
1538         * opts.h (enable_warning_as_error): Declare.
1539         * c-decl.c (implicit_decl_warning): Unless
1540         -Wno-implicit-function-declaration is given, emit a pedwarn if
1541         -std=c99 or emit a warning if -Wimplicit-function-declaration.
1542         * c.opt (Wimplicit-function-declaration): Replace
1543         mesg_implicit_function_declaration with
1544         warn_implicit_function_declaration.
1545         * c-opts.c (c_common_handle_option):
1546         -Werror-implicit-function-declaration is exactly equal as
1547         -Werror=implicit-function-declaration.
1548         (set_Wimplicit): Replace mesg_implicit_function_declaration with
1549         warn_implicit_function_declaration.
1550         (c_common_post_options): -Wimplict-function-declaration is enabled
1551         by default by -std=c99, otherwise is disabled by default.
1552         * c-objc-common.c (c_objc_common_init): Remove flawed logic.
1554 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
1556         * gimplify.c (gimplify_modify_expr): During gimplification, attach a
1557         DECL on the rhs to a DECL on the lhs for debug info purposes if the
1558         former is ignored but not the latter.
1560 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
1562         * expr.c (expand_expr_real_1) <normal_inner_ref>: If a temporary
1563         is made and the reference doesn't use the alias set of its type,
1564         do not create the temporary using that type.
1566 2007-02-15  Aldy Hernandez  <aldyh@redhat.com>
1568         * jump.c: Remove prototypes for delete_computation and
1569         delete_prior_computation.
1571 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
1573         * jump.c (get_label_after): Delete.
1574         (get_label_before, delete_computation, delete_jump,
1575         delete_prior_computation, follow_jumps): Move...
1576         * reorg.c (delete_computation, delete_prior_computation): ... here...
1577         (get_label_before, delete_jump): ... making these static ...
1578         (follow_jumps): ... and simplifying this since it only runs after
1579         reload.
1580         * rtl.h (get_label_after, get_label_before, delete_jump,
1581         follow_jumps): Delete prototypes.
1583 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
1585         * caller-save.c (save_call_clobbered_regs): Do not process sibcalls.
1587 2007-02-15  Nick Clifton  <nickc@redhat.com>
1589         * varasm.c (default_asm_output_anchor): Prepend * to . symbol in
1590         order to prevent it from being munged by the target.
1592 2007-02-15  Uros Bizjak  <ubizjak@gmail.com>
1594         * config/i386/i386.md: Remove misleading comment.
1596 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1598         * config/frv/frv.md (reload_incc, reload_outcc, reload_incc_uns,
1599         reload_outcc_uns, reload_incc_nz, reload_outcc_nz): Remove
1600         invalid patterns.
1602 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1604         * tree-sra.c (instantiate_missing_elements): Canonicalize
1605         bit-field types.
1606         (sra_build_assignment): New.
1607         (generate_copy_inout, generate_element_copy,
1608         generate_element_zero, generate_one_element_init): Use it.
1610 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1612         * tree-sra.c (instantiate_missing_elements): Canonicalize
1613         bit-field types.
1614         (sra_build_assignment): New.
1615         (generate_copy_inout, generate_element_copy,
1616         generate_element_zero, generate_one_element_init): Use it.
1618 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1620         * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
1621         limbo die nodes.
1623 2007-02-14  Joseph Myers  <joseph@codesourcery.com>
1625         * emit-rtl.c (set_mem_attributes_minus_bitpos): Treat complex
1626         types as aggregates not scalars.
1627         * function.c (assign_stack_temp_for_type): Likewise.
1629 2007-02-14  Roger Sayle  <roger@eyesopen.com>
1630             Zdenek Dvorak  <dvorakz@suse.cz>
1632         * tree-dump.c (dump_switch_p_1): Require exact match of the option
1633         name.
1635 2007-02-14  Zdenek Dvorak  <dvorakz@suse.cz>
1637         * passes.c (next_pass_1): Clear the next field of the copied
1638         pass structure.
1640 2007-02-14  Richard Henderson  <rth@redhat.com>
1642         * tree-sra.c (early_sra): New.
1643         (decl_can_be_decomposed_p): Deny va_list if early_sra.
1644         (tree_sra_early, pass_sra_early): New.
1645         * tree-pass.h (pass_sra_early): Declare.
1646         * passes.c (init_optimization_passes): Use it.
1648 2007-02-14  Richard Guenther  <rguenther@suse.de>
1650         * flags.h (issue_strict_overflow_warning): Convert to a macro.
1652 2007-02-14  Dorit Nuzman  <dorit@il.ibm.com>
1654          PR tree-optimization/30771
1655         * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse
1656         also phi nodes.
1657         (vect_analyze_operations): Induction phis can now be marked as
1658         used_in_loop.
1659         (vect_mark_stmts_to_be_vectorized): No special treatment for phis.
1660         Update documentation accordingly.
1662 2007-02-14  Nick Clifton  <nickc@redhat.com>
1664         * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at
1665         most 3 arguments are supported.
1666         (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description.
1668 2007-02-13  Seongbae Park <seongbae.park@gmail.com>
1670         * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor):
1671         Ensure dst->current is valid.
1673 2007-02-13  Paul Brook  <paul@codesourcery.com>
1675         * config.gcc: Add arm*-*-uclinux-*eabi.
1676         * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define.
1677         (SUBTARGET_EXTRA_LINK_SPEC): Define.
1678         (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling.
1679         (LINK_GCC_C_SEQUENCE_SPEC): Undef.
1680         (LINK_SPEC): Define.
1681         (LIB_SPEC): Define.
1682         * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC
1683         register.
1684         * config/arm/uclinux-eabi.h: New file.
1685         * config/arm/linux-eabi.h (WCHAR_TYPE): Remove.
1686         * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS
1687         based targets.
1689 2007-02-13  Ian Lance Taylor  <iant@google.com>
1691         * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
1692         * flags.h (warn_strict_overflow): Declare.
1693         (enum warn_strict_overflow_code): Define.
1694         (issue_strict_overflow_warning): New static inline function.
1695         * opts.c (warn_strict_overflow): New variable.
1696         (common_handle_option): Handle OPT_Wstrict_overflow and
1697         OPT_Wstrict_overflow_.
1698         * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
1699         OPT_Wall.
1700         * fold-const.c: Include intl.h.
1701         (fold_deferring_overflow_warnings): New static variable.
1702         (fold_deferred_overflow_warning): New static variable.
1703         (fold_deferred_overflow_code): New static variable.
1704         (fold_defer_overflow_warnings): New function.
1705         (fold_undefer_overflow_warnings): New function.
1706         (fold_undefer_and_ignore_overflow_warnings): New function.
1707         (fold_deferring_overflow_warnings_p): New function.
1708         (fold_overflow_warning): New static function.
1709         (make_range): Add strict_overflow_p parameter.  Change all
1710         callers.
1711         (extract_muldiv, extract_muldiv_1): Likewise.
1712         (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
1713         tree_expr_nonnegative_p.
1714         (fold_negate_expr): Call fold_overflow_warning.
1715         (fold_range_test): Likewise.
1716         (fold_comparison): Likewise.
1717         (fold_binary): Likewise.  Call tree_expr_nonnegative_warnv_p
1718         instead of tree_expr_nonnegative_p.
1719         (tree_expr_nonnegative_warnv_p): Rename from
1720         tree_expr_nonnegative_p, add strict_overflow_p parameter.
1721         (tree_expr_nonnegative_p): New function.
1722         (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
1723         strict_overflow_p parameter.
1724         (tree_expr_nonzero_p): New function.
1725         * passes.c (verify_interpass_invariants): New static function.
1726         (execute_one_pass): Call it.
1727         * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
1728         warnings.
1729         (number_of_iterations_exit, loop_niter_by_eval): Likewise.
1730         (estimate_numbers_of_iterations): Likewise.
1731         (scev_probably_wraps_p): Likewise.
1732         * tree-ssa-ccp.c: Include "toplev.h".
1733         (evaluate_stmt): Defer fold overflow warnings until we know we are
1734         going to optimize.
1735         (struct fold_stmt_r_data): Add stmt field.
1736         (fold_stmt_r): Defer fold overflow warnings until we know we
1737         optimized.
1738         (fold_stmt): Initialize stmt field of fold_stmt_r_data.
1739         (fold_stmt_inplace): Likewise.
1740         * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
1741         (cleanup_control_expr_graph): Defer fold overflow warnings until
1742         we know we are going to optimize.
1743         * tree-cfg.c (fold_cond_expr_cond): Likewise.
1744         * tree-ssa-threadedge.c (simplify_control_stmt_condition):
1745         Likewise.
1746         * tree-vrp.c (vrp_expr_computes_nonnegative): Call
1747         tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
1748         * tree-ssa-loop-manip.c (create_iv): Likewise.
1749         * c-typeck.c (build_conditional_expr): Likewise.
1750         (build_binary_op): Likewise.
1751         * tree-vrp.c (vrp_expr_computes_nonzero): Call
1752         tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
1753         (extract_range_from_unary_expr): Likewise.
1754         * simplify-rtx.c (simplify_const_relational_operation): Warn when
1755         assuming that signed overflow does not occur.
1756         * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
1757         * tree.h (tree_expr_nonnegative_warnv_p): Declare.
1758         (fold_defer_overflow_warnings): Declare.
1759         (fold_undefer_overflow_warnings): Declare.
1760         (fold_undefer_and_ignore_overflow_warnings): Declare.
1761         (fold_deferring_overflow_warnings_p): Declare.
1762         (tree_expr_nonzero_warnv_p): Declare.
1763         * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
1764         of warning options.
1765         (Warning Options): Document -Wstrict-overflow.
1766         * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
1767         (tree-ssa-ccp.o): Likewise.
1768         (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
1769         (fold-const.o): Depend on intl.h.
1771 2007-02-13  Ian Lance Taylor  <iant@google.com>
1773         PR middle-end/30751
1774         * lower-subreg.c (resolve_simple_move): Decompose subregs in
1775         addresses.
1777 2007-02-13  Stuart Hastings  <stuart@apple.com>
1779         * gcc/config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
1781 2007-02-13  Richard Henderson  <rth@redhat.com>
1783         * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
1784         handled_component_p before looking for the indirect_ref.
1786 2007-02-13  Richard Henderson  <rth@redhat.com>
1788         * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
1789         remove flags clobber.
1790         (bswapsi2): New expander, emit code for !TARGET_BSWAP.
1791         (bswaphi_lowpart): New.
1792         (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
1793         remove TARGET_BSWAP test.  Delete expander of the same name.
1795         * optabs.c (widen_bswap, expand_doubleword_bswap): New.
1796         (expand_unop): Use them.
1798 2007-02-13  Uros Bizjak  <ubizjak@gmail.com>
1800         * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1,
1801         *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
1802         *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
1803         *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
1804         *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
1805         *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
1806         *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
1807         assembler dialect choice from asm templates.
1809 2007-02-12  Richard Henderson  <rth@redhat.com>
1811         * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
1812         (fixuns_trunc<SSEMODEF>si2): Use it.
1813         * config/i386/sse.md (vec_setv4sf_0): Export.
1814         * config/i386/i386.c (ix86_build_const_vector): Export.
1815         (ix86_split_convert_uns_si_sse): Rename from
1816         ix86_expand_convert_uns_si_sse and rewrite as a splitter.
1817         * config/i386/i386-protos.h: Update.
1819 2007-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1821         PR c/29521
1822         * c-typeck.c (c_finish_return): Improve warning message.
1824 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1826         * alias.c (find_symbolic_term): Delete unused function.
1828 2007-02-12  Uros Bizjak  <ubizjak@gmail.com>
1830         * config/i386/i386.md (paritydi2, paritysi2): New expanders.
1831         (paritydi2_cmp, paritydi2_cmp): New insn and split patterns.
1832         (*parityhi2_cmp, *parityqi2_cmp): New insn patterns.
1834 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
1836         * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
1837         * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
1838         the function, temporarily point the debug interface to the null one.
1840 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
1842         * dwarf2out.c (round_up_to_align): New static function.
1843         (field_byte_offset): Use it to round the offset.
1845 2007-02-12  Richard Henderson  <rth@redhat.com>
1847         * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
1848         (inswl_const): Export.
1850 2007-02-12  Richard Henderson  <rth@redhat.com>
1852         * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
1853         result mode of the libcall, convert back to outmode.
1855 2007-02-12  Roger Sayle  <roger@eyesopen.com>
1857         * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
1858         (bswapdi2): New define_expand to implement 32-bit implementation.
1860 2007-02-12  Nick Clifton  <nickc@redhat.com>
1862         * doc/invoke.texi (Overall Options): Document --help=.
1863         * gcc.c (target_help_flag): Rename to print_subprocess_flag.
1864         (cc1_options): Pass --help= on to cc1.
1865         (display_help): Add description of --help=.
1866         (process_command): Add code to handle --help=.  Allow translated
1867         --help and --target-help switches to be passed on to compiler
1868         sub-process.
1869         (main): Remove unused if statement.
1870         * opts.c (columns): Remove.
1871         (LEFT_COLUMN): Define.
1872         (wrap_help): Add columns argument.
1873         (print_filtered_help): Change parameters to be an include bitmask,
1874         an exclude bitmask, an any bitmask and the column width.  Move the
1875         code to display the params list here.  Add code to display the
1876         status of options rather than their descriptions if the quiet flag
1877         is not active.
1878         (print_specific_help): Change parameters to be an include bitmask,
1879         an exclude bitmask and an any bitmask.  Move code to look up the
1880         column width here.  Decide upon the title for an options listing.
1881         (common_handle_options): Add code to handle --help=.  Adapt code
1882         for --help and --target-help to use the revised form of the
1883         print_specific_help function.
1884         (print_help): Delete.
1885         (print_param_help): Delete.
1886         (print_switch): Delete.
1887         * opts.h (cl_lang_count): Add prototype.
1888         (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
1889         CL_MAX_OPTION_CLASS): New defines.
1890         * optc-gen.awk: Add construction of cl_lang_count.
1891         * c.opt: Add Warning attribute to warning options and Optimization
1892         attribute to optimization options.
1893         * common.opt: Likewise.
1894         Add --help=.
1895         Add -fhelp and -ftarget-help as aliases for the transformed --help
1896         and --target-help options.
1897         * opt-functions.awk: Add code to handle Warning and Optimization
1898         attributes.
1900 2007-02-12  Richard Henderson  <rth@redhat.com>
1902         * config/alpha/constraints.md: New file.
1903         * config/alpha/alpha.c: Include tm-constrs.h.
1904         (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
1905         alpha_extra_constraint): Remove.
1906         (alpha_emit_conditional_branch): Use satisfies_constraint_*.
1907         * config/alpha/alpha-protos.h: Update.
1908         * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
1909         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
1910         (EXTRA_CONSTRAINT): Remove.
1911         * config/alpha/alpha.md: Include constraints.md.
1912         (adddi splitter): Use satisfies_constraint_*.
1913         * config/alpha/predicates.md (add_operand): Likewise.
1914         (sext_add_operand, addition_operation): Likewise.
1916 2007-02-12  Dorit Nuzman  <dorit@il.ibm.com>
1918         PR tree-optimization/29145
1919         * tree-data-ref.c (base_addr_differ_p): Make us more conservative
1920         in our handling of restrict qualified pointers.
1922 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1924         PR middle-end/7651
1925         * doc/invoke.texi (Wunused-value): Update description.
1926         (Wextra): Delete item.
1927         * opts.c (set_Wextra): Don't use the value of Wextra to set the
1928         value of Wunused-value.
1929         * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
1930         (c_finish_stmt_expr): Don't check extra_warnings.
1931         (emit_side_effect_warnings): The caller is responsible to check
1932         warn_unused_value.
1934 2007-02-11  Roger Sayle  <roger@eyesopen.com>
1935             Matt Thomas  <matt@3am-software.com>
1937         * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
1939 2007-02-11  Roger Sayle  <roger@eyesopen.com>
1941         * simplify-rtx.c (simplify_relational_operation_1): Optimize
1942         comparisons of POPCOUNT against zero.
1943         (simplify_const_relational_operation): Likewise.
1945 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1947         * doc/invoke.texi (Wextra): Delete outdated paragraph.
1949 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1951         * dwarf2out.c (root_type): Delete unused function.
1953 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1955         * genattrtab.c (contained_in_p): Delete unused function.
1956         (write_expr_attr_cache): Likewise.
1958 2007-02-11  Jan Hubicka  <jh@suse.cz>
1960         * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
1961         previous patch.
1963 2007-02-11  Steven Bosscher  <steven@gcc.gnu.org>
1965         * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
1966         to add the REG_EQ* note.
1967         * see.c (see_merge_one_use_extension): Likewise.
1968         * local-alloc.c (update_equiv_regs): Likewise.  Also don't
1969         turn REG_EQUAL notes into REG_EQUIV notes if the target
1970         register may have more than one set.
1971         * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
1972         * gcse.c (try_replace_reg): Likewise.
1973         * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
1974         * calls.c (fixup_tail_calls): Likewise.  Abort if there is
1975         more than one REG_EQUIV note.
1976         * reload1.c (gen_reload): Use set_unique_reg_note.
1978 2007-02-11  Uros Bizjak  <ubizjak@gmail.com>
1980         * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
1981         (ix86_builtin_conversion): New function.
1983 2007-02-06  Mark Mitchell  <mark@codesourcery.com>
1985         PR target/29487
1986         * tree.h (DECL_REPLACEABLE_P): New macro.
1987         * except.c (set_nothrow_function_flags): Likewise.
1989 2007-02-11  Tehila Meyzels  <tehila@il.ibm.com>
1990             Ira Rosen  <irar@il.ibm.com>
1991             Dorit Nuzman  <dorit@il.ibm.com>
1993         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
1994         * targhooks.c (default_builtin_vectorized_conversion): New.
1995         * targhooks.h (default_builtin_vectorized_function): New declaration.
1996         * target.h (struct vectorize): Add builtin_conversion field.
1997         * tree-vectorizer.h (type_conversion_vec_info_type): New enum
1998         stmt_vec_info_type value.
1999         (vectorizable_conversion): New declaration.
2000         * tree-vect-analyze.c (vect_analyze_operations): Add
2001         vectorizable_conversion call.
2002         * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
2003         * tree-vect-transform.c (vectorizable_conversion): New function.
2004         (vect_transform_stmt): Add case for type_conversion_vec_info_type.
2005         * tree-vect-generic.c (expand_vector_operations_1): Consider correct
2006         mode.
2007         * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
2008         (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
2009         (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX
2010         or ALTIVEC_BUILTIN_VCFSX.
2012 2007-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2014         PR target/30634
2015         * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
2016         CONST_DOUBLE and operand 0 is a hard register.
2017         (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
2018         memory.  Fail if operand 1 is a non-zero CONST_INT and operand 0
2019         is a hard floating-point register.
2021 2007-02-10  Richard Henderson  <rth@redhat.com>
2022             Jakub Jelinek  <jakub@redhat.com>
2023             Alexandre Oliva  <aoliva@redhat.com>
2025         * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
2026         * builtin-types.def (BT_WORD): Make unsigned.
2027         (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
2028         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
2029         (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
2030         * c-decl.c (grokdeclarator): Don't error if !have_tls.
2031         * c-parser.c (c_parser_omp_threadprivate): Likewise.
2032         * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
2033         emulated tls.
2034         * expr.c (emutls_var_address): New.
2035         (expand_expr_real_1): Expand emulated tls.
2036         (expand_expr_addr_expr_1): Likewise.
2037         * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
2038         * output.h (emutls_finish): Declare.
2039         * toplev.c (compile_file): Call it.
2040         * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
2041         address before wrapping in CONST.
2042         * varasm.c (emutls_htab, emutls_object_type): New.
2043         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
2044         (get_emutls_object_name, get_emutls_object_type): New.
2045         (get_emutls_init_templ_addr, emutls_decl): New.
2046         (emutls_common_1, emutls_finish): New.
2047         (assemble_variable): When emulating tls, swap decls; generate
2048         constructor for the emutls objects.
2049         (do_assemble_alias): When emulating tls, swap decl and target name.
2050         (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
2051         for emulated tls.
2052         * varpool.c (decide_is_variable_needed): Look at force_output.
2053         Recurse for emulated tls.
2054         (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
2055         with decide_is_variable_needed.
2056         * emutls.c: New file.
2057         * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
2058         tls_object for real tls.
2060 2007-02-10  Kaz Kojima  <kkojima@gcc.gnu.org>
2062         PR rtl-optimization/29599
2063         * reload1.c (eliminate_regs_in_insn): Take the destination
2064         mode into account when computing the offset.
2066 2007-02-09  Stuart Hastings  <stuart@apple.com>
2067             Richard Henderson  <rth@redhat.com>
2069         * gcc/config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
2070         * gcc/config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
2071         * gcc/config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
2072         fixuns_truncdfhi2): New.
2073         (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
2074         (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
2075         (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
2076         (floatunssidf2): Allow nonimmediate source.
2077         * gcc/config/i386/sse.md (movdi_to_sse): New.
2078         (vec_concatv2di): Drop '*'.
2079         * gcc/config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
2080         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
2081         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
2082         New.
2083         * gcc/config/i386/i386.c (ix86_expand_convert_uns_si_sse,
2084         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
2085         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
2086         ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
2087         (ix86_build_signbit_mask): Fix decl of v, refactor to call
2088         ix86_build_const_vector.
2089         (x86_emit_floatuns): Rewrite.
2091 2007-02-10  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2093         * genautomata.c (longest_path_length): Delete unused function.
2094         (struct state): Delete unused longest_path_length.
2095         (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
2096         (get_free_state): Delete unused.
2098 2007-02-09  Jan Hubicka  <jh@suse.cz>
2100         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
2101         * doc/invoke.texi (inline-unit-growth): Update default value.
2103         * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
2104         * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
2105         (rebuild_cgraph_edges): Likewise.
2106         * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
2107         (dump_cgraph_node): Dump frequencies.
2108         (cgraph_clone_edge): Add frequency scales.
2109         (cgraph_clone_node): Add freuqnecy.
2110         * cgraph.h (cgraph_edge): Add freuqnecy argument.
2111         (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
2112         (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
2113         * tree-pass.h (TODO_rebuild_frequencies): New constant.
2114         * cgraphunit.c (verify_cgraph_node): Verify frequencies.
2115         (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
2116         (save_inline_function_body): Likewise.
2117         * ipa-inline.c: inluce rtl.h
2118         (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
2119         (cgraph_edge_badness): Use frequencies.
2120         (cgraph_decide_recursive_inlining): Update clonning.
2121         (cgraph_decide_inlining_of_small_function): Dump frequency.
2122         * predict.c (estimate_bb_frequencies): Export.
2123         * predict.h (estimate_bb_frequencies): Declare.
2124         * tree-inline.c (copy_bb): Watch overflows.
2125         (expand_call_inline): Update call of cgraph_create_edge.
2126         (optimize_inline_calls): Use TODO flags to update frequnecies.
2127         * passes.h: Include predict.h
2128         (init_optimization_passes): Move profile ahead.
2129         (execute_function_todo): Handle TODO_rebuild_frequencies.
2131 2007-02-09  Roger Sayle  <roger@eyesopen.com>
2133         * config/alpha/alpha.c (emit_insxl): Force the first operand of
2134         the insbl or inswl pattern into a register.
2136 2007-02-09  Roger Sayle  <roger@eyesopen.com>
2138         * config/ia64/ia64.md (bswapdi2): New define_insn.
2140 2007-02-09  Richard Henderson  <rth@redhat.com>
2142         * config/i386/constraints.md (Ym): New constraint.
2143         * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
2144         (movdi_1_rex64): Split sse and xmm general register moves from
2145         memory move alternatives.  Use conditional register constraints.
2146         (movsf_1, movdf_integer): Likewise.
2147         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
2148         (movdf_integer_rex64): New.
2149         (pushsf_rex64): Fix output constraints.
2150         * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
2151         (sse2_stored): Likewise.
2152         (sse2_storeq_rex64): New.
2153         * config/i386/i386.c (x86_inter_unit_moves): Enable for not
2154         amd and not generic.
2155         (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
2156         for optimize_size.  Remove SF/DFmode hack.
2158 2007-02-09  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
2160         * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
2161         (bit_SSE4a): New.
2163 2007-02-09  Nathan Sidwell  <nathan@codesourcery.com>
2164             Richard Sandiford  <richard@codesourcery.com>
2166         * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
2167         (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
2168         (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
2169         m68k/t-mlib to tmake_file.
2170         (m68020-*-elf*, m68k-*-elf*): Likewise.  Add t-m68kbare as well.
2171         (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
2172         (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
2173         Allow it to be cf or m68k.  Set m68k_arch_family.  If that
2174         variable is not empty, add t-$m68k_arch_family to tmake_file.
2175         Add t-mlibs to tmake_file.
2176         * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
2177         * config/m68k/t-cf: New file.
2178         * config/m68k/t-m68k: Likewise.
2179         * config/m68k/t-mlibs: Likewise.
2180         * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
2181         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
2182         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
2183         * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
2184         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
2185         Delete.
2186         * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
2187         (INSTALL_LIBGCC): Delete.
2188         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
2189         * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
2190         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
2191         (M68K_MLIB_CPU): Define.
2192         * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
2193         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
2194         (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
2196 2007-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
2197             Richard Guenther  <rguenther@suse.de>
2199         PR middle-end/23361
2200         * fold-const.c (fold_comparison): Handle obfuscated comparisons
2201         against INT_MIN/INT_MAX.
2202         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
2203         file if a loop is removed.
2205 2007-02-09  Joseph Myers  <joseph@codesourcery.com>
2207         * calls.c (store_one_arg): Pass correct alignment to
2208         emit_push_insn for non-BLKmode values.
2209         * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
2210         unaligned stack slot via a suitably aligned slot.
2212 2007-02-08  DJ Delorie  <dj@redhat.com>
2214         * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
2215         warnings.
2216         (legal_subregs): Use unsigned char, make const.
2217         (m32c_illegal_subreg_p): Use ARRAY_SIZE.  Delete unused variables.
2219 2007-02-08  Paul Brook  <paul@codesourcery.com>
2221         * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
2222         special interworking needed.
2224 2007-02-08  Harsha Jagasia  <harsha.jagasia@amd.com>
2226         * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
2227         conditional to __SSE2__.
2228         (Entries below should have been added to first ChangeLog
2229         entry for amdfam10 dated 2007-02-05)
2230         * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
2231         defined.
2232         * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
2233         defined.
2234         * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
2235         defined.
2237 2007-02-08  DJ Delorie  <dj@redhat.com>
2239         * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
2240         * config/m32c/m32c.c (legal_subregs): New.
2241         (m32c_illegal_subreg_p): New.
2242         * config/m32c/predicates.md (m32c_any_operand): Use it to reject
2243         unsupported subregs of hard regs.
2245 2007-02-08  Jan Hubicka  <jh@suse.cz>
2247         * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
2248         the same one; always update histograms.
2250 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
2252         * passes.c (init_optimization_passes): Tidy comment.
2254 2007-02-08  Roger Sayle  <roger@eyesopen.com>
2256         * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
2257         strip zero_extend, bswap and rotates from POCOUNT's argument.
2258         <PARITY>: Likewise, we can strip not, bswap, sign_extend,
2259         zero_extend and rotates from PARITY's argument.
2260         <BSWAP>: A byte-swap followed by a byte-swap is an identity.
2261         (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
2262         of an integer constant at compile-time.
2264 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
2266         PR 30562
2267         * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
2268         Update all users.
2269         * tree-ssa-alias.c (compute_is_aliased): Remove.  Update all
2270         users.
2271         (init_alias_info):
2272         * tree-ssa-live.c (remove_unused_locals): Do not remove
2273         TREE_ADDRESSABLE variables.
2274         * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
2275         * tree-ssa-operands.c (add_virtual_operand): Remove argument
2276         FOR_CLOBBER.  Update all users.
2277         If VAR has an associated alias set, add a virtual operand for
2278         it if no alias is found to conflict with the memory reference.
2280 2007-02-07  Jan Hubicka  <jh@suse.cz>
2281             Robert Kidd <rkidd@crhc.uiuc.edu>
2283         * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
2285 2007-02-07  Ian Lance Taylor  <iant@google.com>
2287         * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
2289 2007-02-07  Roger Sayle  <roger@eyesopen.com>
2291         * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
2292         parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
2293         tablejumpdi, movsi_to_cr_one): Remove constraints from
2294         define_expand's match_operands.
2296 2007-02-07  Roger Sayle  <roger@eyesopen.com>
2298         * global.c (compute_regsets): Move declatation of "i" inside of
2299         #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
2301 2007-02-07  Jakub Jelinek  <jakub@redhat.com>
2303         PR c++/30703
2304         * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
2305         of INDIRECT_REF <RESULT_DECL>.
2307         * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
2309 2007-02-06  J"orn Rennecke  <joern.rennecke@arc.com>
2310             Kaz Kojima  <kkojima@gcc.gnu.org>
2312         PR target/29746
2313         * config/sh/sh.c (expand_cbranchdi4): Use scratch register
2314         properly.
2315         (sh_initialize_trampoline): Add parentheses to avoid a warning.
2317 2007-02-06  Zdenek Dvorak <dvorakz@suse.cz>
2319         * doc/loop.texi: Document possibility not to perform disambiguation
2320         of loops with multiple latches.
2321         * cfgloopmanip.c (alp_enum_p): Removed.
2322         (add_loop): Handle subloops.  Use get_loop_body_with_size.
2323         (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
2324         * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
2325         the new forwarder block.
2326         (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
2327         Handle the case latch is NULL.
2328         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg modifications
2329         when marking loop exits.
2330         * ifcvt.c (if_convert): Ditto.  Mark loop exits even if cfg cannot
2331         be modified.
2332         * loop-init.c (loop_optimizer_init): Do not modify cfg.  Call
2333         disambiguate_loops_with_multiple_latches.
2334         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
2335         before fix_loop_structure.
2336         * cfgloop.c: Include pointer-set.h and output.h.
2337         (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
2338         update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
2339         (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
2340         find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
2341         mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
2342         disambiguate_multiple_latches, get_loop_body_with_size,
2343         disambiguate_loops_with_multiple_latches): New functions.
2344         (flow_loop_dump): Dump multiple latch edges.
2345         (flow_loop_nodes_find): Handle loops with multiple latches.
2346         (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
2347         (glb_enum_p): Modified.
2348         (get_loop_body): Use get_loop_body_with_size.
2349         * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
2350         (AVOID_CFG_MODIFICATIONS): New constant.
2351         (disambiguate_loops_with_multiple_latches, add_loop,
2352         get_loop_body_with_size): Declare.
2353         * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
2355 2007-02-06  Seongbae Park <seongbae.park@gmail.com>
2357         PR inline-asm/28686
2358         * global.c (compute_regsets): New function.
2359         (global_alloc): Refactored ELIMINABLE_REGSET
2360         and NO_GLOBAL_ALLOC_REGS computation out.
2361         (rest_of_handle_global_alloc): Call compute_regsets()
2362         for non-optimizing case.
2364 2007-02-06  Richard Henderson  <rth@redhat.com>
2366         * config/i386/constraints.md (Y2): Rename from Y.
2367         (Yi): New constraint.
2368         * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
2369         pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
2370         zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
2371         (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
2372         truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
2373         fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
2374         floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed,
2375         absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
2376         fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
2377         * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
2378         mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
2379         vec_extractv2si_1): Change Y constraints to Y2.
2380         * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
2381         vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
2382         Change Y constraints to Y2.
2383         (sse2_loadld): Change Y constraints to x.
2385 2007-02-06  Roger Sayle  <roger@eyesopen.com>
2387         * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
2388         (parity<mode>2): New define_expand using rs6000_emit_parity.
2389         * config/rs6000/rs6000.c (rs6000_emit_popcount,
2390         rs6000_emit_parity): New functions.
2391         * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
2392         rs6000_emit_parity): Prototype here.
2394 2007-02-06  Ian Lance Taylor  <iant@google.com>
2396         * lower-subreg.c (simple_move_operand): Reject CONST.
2397         (resolve_clobber): Call validate_change rather than directly
2398         assigning to XEXP (pat, 0).
2400 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
2402         * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
2403         (tree-ssa-reassoc.o): Add pointer-set.h dependency.
2404         (tree-cfg.o): Remove hashtab.h dependency.
2406         * tree-ssa-loop-ivopts.c: Include pointer-set.h.
2407         (struct ivopts_data): Change niters to pointer_map_t.
2408         (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
2409         (niter_for_exit): Create pointer_map on demand.  Change for
2410         pointer_map API.
2411         (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
2412         (free_loop_data): Destroy data->niters if created and reset field.
2413         (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
2414         (tree_ssa_iv_optimize_loop): Check for presence of stale data.
2416         * tree-ssa-reassoc.c: Include pointer-set.h.
2417         (bb_rank): Change to long *.
2418         (operand_rank): Change to pointer_map_t.
2419         (find_operand_rank): Return long, -1 if not found.  Declare as inline.
2420         (insert_operand_rank): Accept long.
2421         (operand_entry_hash, operand_entry_eq): Remove.
2422         (get_rank): Return long.  Adjust for changes above.
2423         (init_reassoc): Change rank type to long.  Adjust creation of bb_rank
2424         and operand_rank.
2425         (fini_reassoc): Delete operand_rank with pointer_map_destroy.
2427         * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
2428         (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
2429         (insert_vi_for_tree): Rewrite for pointer_map API.  Assert argument
2430         is not NULL.
2431         (lookup_vi_for_tree): Rewrite for pointer_map API.  Return varinfo_t
2432         directly since it cannot be NULL.
2433         (get_vi_for_tree): Rewrite for pointer_map API.
2434         (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
2435         (init_alias_vars): Create vi_for_tree as pointer_map.
2436         (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
2438         * tree-cfg.c: Don't include hashtab.h.
2439         (edge_to_cases): Declare as pointer_map.
2440         (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
2441         Delete.
2442         (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
2443         (start_recording_case_labels): Create edge_to_cases as pointer_map.
2444         (end_recoding_case_labels): Cleanup edge_to_cases manually before
2445         destroying it.
2446         (record_switch_edge): Delete.
2447         (get_cases_for_edge): Adjust for pointer_map API, inline
2448         record_switch_edge (rewritten for new API), remove goto.
2450 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
2452         * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
2453         * tree-nested.c: Include pointer-set.h.
2454         (var_map_elt, var_map_eq, var_map_hash): Delete.
2455         (struct nesting_info): Remove GTY marker.  Change the two htab_t's
2456         to pointer_map_t's.
2457         (nesting_info_bitmap_obstack): New.
2458         (lookup_field_for_decl): Adjust for pointer_map API.
2459         (lookup_tramp_for_decl): Adjust for pointer_map API.
2460         (get_nonlocal_debug_decl): Adjust for pointer_map API.
2461         (get_local_debug_decl): Adjust for pointer_map API.
2462         (convert_nl_goto_reference): Adjust for pointer_map API.
2463         (convert_nl_goto_receiver): Adjust for pointer_map API.
2464         (create_nesting_tree): Create outside GGC space.  Create bitmap on
2465         the new obstack.  Create field_map and var_map as pointer_maps.
2466         (free_nesting_tree): Adjust for changes to create_nesting_tree.
2467         (root): Delete.
2468         (lower_nested_functions): Move root here, no need to NULL it.
2469         Initialize and release the obstack.
2471 2007-02-06  Paolo Bonzini  <bonzini@gnu.org>
2473         * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
2474         Remove prototypes and make them non-static.
2475         (struct tree_int_map): Remove.
2476         * tree.h (struct tree_int_map): Move here, turning TO into an
2477         unsigned int.
2478         (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
2480         * tree.h (TREE_COMPLEXITY): Remove.
2481         (struct tree_exp): Remove complexity field.
2482         * tree.c (build1_stat): Don't set it.
2484 2007-02-06  Dorit Nuzman  <dorit@il.ibm.com>
2485             Victor Kaplansky  <victork@il.ibm.com>
2487         * tree-vectorizer.c (vect_is_simple_use): Support induction.
2488         (vect_is_simple_reduction): Support reduction with induction as
2489         one of the operands.
2490         (vect_is_simple_iv_evolution): Fix formatting.
2491         * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix
2492         formatting.  Don't mark induction phis for vectorization.
2493         (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
2494         * tree-vect-transform.c (get_initial_def_for_induction): New function.
2495         (vect_get_vec_def_for_operand): Support induction.
2496         (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
2497         induction case.
2498         (vectorizable_reduction): Support reduction with induction as one of
2499         the operands.
2500         (vectorizable_type_demotion): Use def-type of stmt argument rather
2501         than dummy def-type.
2503         * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
2504         flag_tree_scev_cprop.
2505         * common.opt (tree-scev-cprop): New flag.
2507         * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
2508         call to vect_get_new_vect_var.
2510 2007-02-06  Ira Rosen  <irar@il.ibm.com>
2512         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that
2513         vectype is not NULL.
2514         (vect_pattern_recog_1): Likewise.
2516 2007-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2518         * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
2519         (fold_negate_expr): Likewise.
2521 2007-02-05  Alexandre Oliva  <aoliva@redhat.com>
2523         PR debug/30189
2524         * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
2525         even if cv-qualification is the same.
2527 2007-02-05  Geoffrey Keating  <geoffk@apple.com>
2529         * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
2530         __enable_execute_stack on completion.
2532 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2534         * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
2535         athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
2536         athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
2537         athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
2538         athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
2539         athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
2540         athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
2541         athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
2543 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2545         * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
2546         cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
2547         swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
2548         fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
2549         x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
2550         floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
2551         floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
2552         mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
2553         umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
2554         umuldi3_highpart_rex64, umulsi3_highpart_insn,
2555         umulsi3_highpart_zext, smuldi3_highpart_rex64,
2556         smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
2557         x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
2558         sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
2559         sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
2560         sqrtextenddfxf2_i387): Added amdfam10_decode.
2562         * config/i386/athlon.md (athlon_idirect_amdfam10,
2563         athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
2564         athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
2565         athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
2566         athlon_ivector_store_amdfam10): New define_insn_reservation.
2567         (athlon_idirect_loadmov, athlon_idirect_movstore): Added
2568         amdfam10.
2570 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2572         * config/i386/athlon.md (athlon_call_amdfam10,
2573         athlon_pop_amdfam10, athlon_lea_amdfam10): New
2574         define_insn_reservation.
2575         (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
2576         athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
2577         athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
2579 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2581         * config/i386/athlon.md (athlon_sseld_amdfam10,
2582         athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
2583         athlon_mmxssest_short_amdfam10): New define_insn_reservation.
2585 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2587         * config/i386/athlon.md (athlon_sseins_amdfam10): New
2588         define_insn_reservation.
2589         * config/i386/i386.md (sseins): Added sseins to define_attr type
2590         and define_attr unit.
2591         * config/i386/sse.md: Set type attribute to sseins for insertq
2592         and insertqi.
2594 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2596         * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
2597         ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
2598         ssecomi_load_amdfam10, ssecomi_amdfam10,
2599         sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
2600         define_insn_reservation.
2601         (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
2603 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2605         * config/i386/athlon.md (cvtss2sd_load_amdfam10,
2606         cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
2607         cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
2608         cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
2609         cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
2610         cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New
2611         define_insn_reservation.
2613         * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
2614         cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
2615         cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
2616         cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
2617         cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
2619 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2621         * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
2622         athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
2623         athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
2624         (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
2625         athlon_ssemul_load_k8): Added amdfam10.
2627 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2629         * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
2630         (x86_sse_unaligned_move_optimal): New variable.
2632         * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for
2633         m_AMDFAM10.
2634         (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
2635         for unaligned vector SSE double/single precision loads for AMDFAM10.
2637 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2639         * config/i386/i386.h (TARGET_AMDFAM10): New macro.
2640         (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
2641         Define TARGET_CPU_DEFAULT_amdfam10.
2642         (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
2643         (processor_type): Add PROCESSOR_AMDFAM10.
2645         * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
2646         processor_type in config/i386/i386.h.
2647         Enable imul peepholes for TARGET_AMDFAM10.
2649         * config.gcc: Add support for --with-cpu option for amdfam10.
2651         * config/i386/i386.c (amdfam10_cost): New variable.
2652         (m_AMDFAM10): New macro.
2653         (m_ATHLON_K8_AMDFAM10): New macro.
2654         (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
2655         x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
2656         x86_promote_QImode, x86_integer_DFmode_moves,
2657         x86_partial_reg_dependency, x86_memory_mismatch_stall,
2658         x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
2659         x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
2660         x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
2661         x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
2662         Enable/disable for amdfam10.
2663         (override_options): Add amdfam10_cost to processor_target_table.
2664         Set up PROCESSOR_AMDFAM10 for amdfam10 entry in
2665         processor_alias_table.
2666         (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
2667         (ix86_adjust_cost): Add code for amdfam10.
2669 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2671         * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
2672         instruction set feature flag. Add new (-mpopcnt) flag for popcnt
2673         instruction. Add new SSE4A (-msse4a) instruction set feature flag.
2674         * config/i386/i386.h: Add builtin definition for SSE4A.
2675         * config/i386/i386.md: Add support for ABM instructions
2676         (popcnt and lzcnt).
2677         * config/i386/sse.md: Add support for SSE4A instructions
2678         (movntss, movntsd, extrq, insertq).
2679         * config/i386/i386.c: Add support for ABM and SSE4A builtins.
2680         Add -march=amdfam10 flag.
2681         * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
2682         * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
2683         and amdfam10.
2684         * doc/extend.texi: Add documentation for SSE4A builtins.
2686 2007-02-05  Bob Wilson  <bob.wilson@acm.org>
2688         * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
2690 2007-02-05  Richard Guenther  <rguenther@suse.de>
2692         * tree-vectorizer.h (vectorizable_function): Add argument type
2693         argument, change return type.
2694         * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
2695         * tree-vect-transform.c (vectorizable_function): Handle extra
2696         argument, return vectorized function decl.
2697         (build_vectorized_function_call): Remove.
2698         (vectorizable_call): Handle calls with result and argument types
2699         differing.  Handle loop vectorization factor correctly.
2700         * targhooks.c (default_builtin_vectorized_function): Adjust for
2701         extra argument.
2702         * targhooks.h (default_builtin_vectorized_function): Likewise.
2703         * target.h (builtin_vectorized_function): Add argument type
2704         argument.
2705         * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
2706         extra argument, allow vectorizing of lrintf.
2707         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
2708         documentation of target hook.
2710 2007-02-05  Hans-Peter Nilsson  <hp@axis.com>
2712         PR target/30665
2713         * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
2714         ("*andhi_clear", andu (casesi+45)): For size-changed operand where
2715         memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
2717 2007-02-05  Roger Sayle  <roger@eyesopen.com>
2719         * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
2720         BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
2721         <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
2722         * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
2723         before canonicalizing sincos to cexpi.
2724         (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
2726 2007-02-05  Roger Sayle  <roger@eyesopen.com>
2728         * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
2729         Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
2730         (alpha_init_builtins): Use alpha_add_builtins to process tables.
2732 2007-02-05  Roger Sayle  <roger@eyesopen.com>
2734         * mips-tfile.c (initialize_init_file): Correct endianness test.
2736 2007-02-05  Kazu Hirata  <kazu@codesourcery.com>
2738         * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
2739         the 'y' constraint.
2741 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
2743         * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
2744         saves in a PARALLEL before the register assignments.
2746 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
2748         * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
2749         DWARF_FRAME_RETURN_COLUMN to be a general register.
2750         * dwarf2out.c (init_return_column_size): New function, split from...
2751         (expand_builtin_init_dwarf_reg_sizes): ...here.  Allow both
2752         DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
2753         to be nongeneral registers.
2754         * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
2755         integer registers.
2756         (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
2757         (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
2759 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
2761         * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
2763 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
2765         * cfgloopmanip.c (loop_delete_branch_edge): Removed.
2766         (remove_path): Use can_remove_branch_p and remove_branch instead
2767         of loop_delete_branch_edge.
2768         * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
2769         (tree_transform_and_unroll_loop): Remove dead branches immediately.
2770         Update profile using scale_dominated_blocks_in_loop.
2771         * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
2772         * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
2773         (can_remove_branch_p, remove_branch): Declare.
2774         * tree-cfg.c (tree_can_remove_branch_p): New function.
2775         (tree_cfg_hooks): Add tree_can_remove_branch_p.
2776         * cfgrtl.c (rtl_can_remove_branch_p): New function.
2777         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
2779 2007-02-05  Jan Hubicka  <jh@suse.cz>
2781         PR middle-end/30696
2782         * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
2783         nodes in cgraph, don't remove offline copy of the function.
2785 2007-02-04  Jan Hubicka  <jh@suse.cz>
2787         * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
2788         vectors might cause maybe_lookup_element_for_expr to be called
2789         on non-sra-candidate.
2791 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
2793         * config/bfin/bfin-modes.def, config/bfin/bfin.c,
2794         config/bfin/bfin.md, config/bfin/predicates.md: Follow
2795         spelling conventions.
2797 2007-02-04  Richard Guenther  <rguenther@suse.de>
2799         PR middle-end/30636
2800         * fold-const.c (try_move_mult_to_index): Make sure to not
2801         overflow one dimension of a multi-dimensional array access.
2803 2007-02-04  Jan Hubicka  <jh@suse.cz>
2805         * passes.c (init_optimization_passes): Reindent.
2807 2007-02-04  Jan Hubicka  <jh@suse.cz>
2808             Eric Botcazou  <ebotcazou@adacore.com>
2810         * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
2811         (execute_fixup_cfg): Break out the abnormal goto code.
2812         * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
2813         (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
2814         (optimize_inline_calls): Call make_nonlocal_label_edges.
2816 2007-02-04  Jan Hubicka  <jh@suse.cz>
2818         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
2819         true when something was changed.
2820         (rename_ssa_copies): When something was changed, do
2821         TODO_remove_unused_locals.
2822         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
2823         add TODO_remove_unused_locals when instruction was removed.
2825 2007-02-04  Jan Hubicka  <jh@suse.cz>
2827         * ipa-inline.c (try_inline): Improve debug output; work on already
2828         inline edges too.
2829         (cgraph_decide_inlining_incrementally): Indent; improve debug output;
2830         call try_inline for already inlined edges too when flattening;
2831         inline also functions that make callee growth but overall unit size
2832         reduce.
2834 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
2836         * config/m32c/bitops.md, config/m32c/jump.md,
2837         config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
2838         config/m32r/m32r.h, config/m32r/m32r.md,
2839         config/m32r/predicates.md, config/m68hc11/larith.asm,
2840         config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
2841         config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
2842         config/mips/mips-protos.h, config/mips/mips.c,
2843         config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
2844         config/mn10300/mn10300.h, config/mn10300/predicates.md,
2845         config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
2846         spelling conventions.
2848         * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
2849         Follow spelling conventions.
2851 2007-02-03  Douglas Gregor  <doug.gregor@gmail.com>
2853         * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
2854         warn about C++0x compatibility.
2856 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
2858         * config/h8300/h8300.c, config/h8300/h8300.h,
2859         config/h8300/h8300.md: Follow spelling conventions.
2861 2007-02-03  Uros Bizjak  <ubizjak@gmail.com>
2863         PR middle-end/30667
2864         * combine.c (try_combine): Do not substitute source operand
2865         with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
2867 2007-02-03  Jan Hubicka  <jh@suse.cz>
2869         PR gcov-profile/30650
2870         * value-prof.c (stringop_block_profile): Fix handling of size counter;
2871         do not divide by zero for never executed counters.
2872         (tree_find_values_to_profile): Fix counters.
2873         * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
2875 2007-02-03  Ian Lance Taylor  <iant@google.com>
2877         * lower-subreg.c (simple_move_operand): New static function,
2878         broken out of simple_move.  Reject LABEL_REF, SYMBOL_REF, and HIGH
2879         operands.
2880         (simple_move): Call simple_move_operand.
2881         (find_decomposable_subregs): Add special handling of MEMs.
2882         (can_decompose_p): Rename from cannot_decompose_p.  Reverse
2883         meaning of return value.  If we see a hard register, test whether
2884         it can store a word_mode value.  Change all callers.
2886 2007-02-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2888         * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
2889         ftrapv insns and expanders.
2890         (subdi3): Change define_expand operand 1 to arith11_operand, and
2891         operand 2 to reg_or_0_operand.  Change constraints of 64-bit insn
2892         pattern to handle reg_or_0 operands.  Revise 32-bit insn pattern to
2893         handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
2894         respectively.
2896         PR middle-end/30174
2897         * varasm.c (notice_global_symbol): Treat global objects as weak when
2898         flag_shlib is true.
2900 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2902         * emit-rtl.c (dconstpi): Delete.
2903         (dconstsqrt2): New.
2904         (init_emit_once): Delete dconstpi and init dconstsqrt2.
2905         * real.h (dconstpi): Delete.
2906         (dconstsqrt2): New.
2907         * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
2908         (fold_builtin_hypot): Likewise.
2910 2007-02-03  Tom Tromey  <tromey@redhat.com>
2912         PR driver/30246
2913         * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
2914         -gcoff3, -gxcoff3, -gvms3 implies -dD.
2916 2007-02-03  Kazu Hirata  <kazu@codesourcery.com>
2918         * c-decl.c, config/avr/avr.c, config/avr/avr.h,
2919         config/m68k/m68k.c, config/m68k/netbsd-elf.h,
2920         config/mn10300/mn10300.c, config/pdp11/pdp11.h,
2921         config/rs6000/cell.md, config/rs6000/darwin.h,
2922         config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
2923         config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
2924         jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
2925         tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
2926         typos.  Follow spelling conventions.
2927         * doc/invoke.texi: Follow spelling conventions.
2929 2007-02-03  Roger Sayle  <roger@eyesopen.com>
2931         * simplify-rtx.c (simplify_relational_operation_1): Implement some
2932         canonicalization transformations that attempt to simplify integer
2933         constant comparisons to become comparisons against zero.
2935 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2937         * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
2938         fabs(x)*sqrt(2).
2939         * fold-const.c (fold_binary): Fix comment typos.  Fold complex
2940         (x,0)-(0,y) into (x,-y).  Likewise (0,y)-(x,0) into (-x,y).
2942 2007-02-02  Mike Stump  <mrs@apple.com>
2944         * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
2945         * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
2946         (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
2947         generate a branch island.
2949 2007-02-02  Bob Wilson  <bob.wilson@acm.org>
2951         * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
2952         (xtensa_legitimate_address_p): New.
2953         (xtensa_legitimize_address): New.
2954         (xtensa_output_addr_const_extra): New.
2955         * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
2956         (BASE_REG_P): New.
2957         (REG_OK_FOR_BASE_P): Use BASE_REG_P.
2958         (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
2959         (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
2960         (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
2961         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
2962         (xtensa_legitimize_address): New.
2963         (xtensa_output_addr_const_extra): New.
2965 2007-02-02  Steve Ellcey  <sje@cup.hp.com>
2967         * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
2969 2007-02-02  Ian Lance Taylor  <iant@google.com>
2971         * expmed.c (expand_divmod): Add comment.
2973 2007-02-02  Kazu Hirata  <kazu@codesourcery.com>
2975         * emit-rtl.c (renumber_insns): Remove.
2976         * flags.h: Remove the extern for flag_renumber_insns.
2977         * rtl.h: Remove the prototype for renumber_insns.
2978         * toplev.c (flag_renumber_insns): Remove.
2980 2007-02-02  Hui-May Chang  <hm.chang@apple.com>
2982         Revert for x86 darwin:
2983         2005-06-19  Uros Bizjak  <uros@kss-loka.si>
2985         * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
2986         code before the following patch under TARGET_MACHO.
2987         (ix86_function_value_regno_p): Likewise.
2989 2007-02-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2991         * fold-const.c (negate_expr_p, fold_negate_expr): Handle
2992         COMPLEX_EXPR.
2994 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
2996         PR target/29682
2997         * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory loads to
2998         general or fp registers.  Add comments.
2999         * config/ia64/ia64.md (reg_pred_prefix): Add comment.
3001 2007-02-02  Paolo Bonzini  <bonzini@gnu.org>
3003         * pointer-set.c (insert_aux): Only return insertion slot.
3004         (pointer_set_insert): Adjust.
3005         (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
3006         pointer_map_destroy, pointer_map_insert, pointer_map_contains,
3007         pointer_map_traverse): New.
3008         * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
3009         pointer_map_create,  pointer_map_destroy, pointer_map_insert,
3010         pointer_map_contains, pointer_map_traverse): Declare.
3012 2007-02-02  Jakub Jelinek  <jakub@redhat.com>
3014         PR middle-end/30473
3015         * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
3016         sprintf (str, "%s").  Do not optimize sprintf (str, "nopercent", p++).
3018 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
3020         * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
3022         (struct _dep): New type.
3023         (dep_t): New typedef.
3024         (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
3025         (DEP_STATUS): New access macro.  The macro with the same name was
3026         renamed to DEP_LINK_STATUS.
3027         (dep_init): Declare function
3029         (struct _dep_link): New type.
3030         (dep_link_t): New typedef.
3031         (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
3032         (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
3033         (DEP_LINK_STATUS): New macro.
3034         (debug_dep_links): New debug function.
3036         (struct _deps_list): New type.
3037         (deps_list_t): New typedef.
3038         (DEPS_LIST_FIRST): New access macro.
3039         (FOR_EACH_DEP_LINK): New cycle macro.
3040         (create_deps_list, free_deps_list, delete_deps_list): Declare
3041         functions.
3042         (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
3043         (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
3044         (copy_deps_list_change_con): Ditto.
3046         (move_dep_link): Declare function.
3048         (struct _dep_node): New type.
3049         (dep_node_t): New typedef.
3050         (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
3052         (struct haifa_insn_data.back_deps): New field to hold backward
3053         dependencies of the insn.
3054         (struct haifa_insn_data.depend): Rename to forw_deps.  Change its type
3055         to deps_list_t.
3056         (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
3057         Change its type to deps_list_t.
3058         (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
3059         (INSN_DEPEND): Rename to INSN_FORW_DEPS.
3060         (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
3062         (INSN_COST): Move to haifa-sched.c.  Use insn_cost () instead.
3064         (DEP_STATUS): Rename to DEP_LINK_STATUS.  Fix typo in the comment.
3066         (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration and
3067         all callers.
3068         (dep_cost): Declare.
3070         * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
3071         (ds_to_dk, dk_to_ds): New functions.
3073         (init_dep_1): New static function.
3074         (init_dep): New function.
3075         (copy_dep): New static function.
3077         (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
3078         functions.
3079         (detach_dep_link): New static function.
3080         (move_dep_link): New function.
3082         (dep_links_consistent_p, dump_dep_links): New static functions.
3083         (debug_dep_links): New debugging function.
3085         (deps_obstack, dl_obstack, dn_obstack): New static variables.
3087         (alloc_deps_list, init_deps_list): New static functions.
3088         (create_deps_list): New function.
3089         (clear_deps_list): New static function.
3090         (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
3091         (deps_list_consistent_p, dump_deps_list): New static functions.
3092         (debug_deps_list): New function.
3093         (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
3094         functions.
3095         (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
3097         (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
3098         use new scheduler dependencies lists.
3099         (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
3100         (sched_analyze): Ditto.  Initialize dependencies lists.
3101         (add_forw_dep, compute_forward_dependences): Update to use new
3102         scheduler dependencies lists.
3104         (init_dependency_caches): Init deps_obstack.
3105         (free_dependency_caches): Free deps_obstack.
3107         (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
3108         new scheduler dependencies lists.
3109         (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
3110         (add_back_forw_dep, delete_back_forw_dep): Ditto.
3112         * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
3113         Update to use new scheduler dependencies lists.
3114         (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
3115         (debug_dependencies): Ditto.
3116         (schedule_region): Update comments.
3118         * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
3119         scheduler dependencies lists.
3120         (schedule_ebb): Update comments.
3122         * rtl.def (DEPS_LIST): Remove.
3124         * lists.c (unused_deps_list): Remove.
3125         (free_list): Update assertions.
3127         (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
3128         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
3130         * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
3131         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
3133         * haifa-sched.c (comments): Update.
3134         (insn_cost1): Remove.  Inline the code into insn_cost ().
3135         (insn_cost): Update to use new scheduler dependencies lists.  Move
3136         processing of the dependency cost to dep_cost ().
3137         (dep_cost): New function.  Use it instead of insn_cost () when
3138         evaluating cost of the dependency.  Use compatible interface to
3139         interact with the target.
3140         (priority): Update to use new scheduler dependencies lists.
3141         (rank_for_schedule): Ditto.  Optimize heuristic that prefers the insn
3142         with greater number of insns that depend on the insn.
3143         (schedule_insn): Update to use new scheduler dependencies lists.  Add
3144         code to free backward dependencies lists.  Inline and optimize code
3145         from resolve_dep () - see PR28071.
3146         (ok_for_early_queue_removal): Update to use new scheduler dependencies
3147         lists.  Update call to targetm.sched.is_costly_dependence hook.
3149         (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
3150         scheduler dependencies lists.
3152         (resolve_dep): Remove.  Move the logic to schedule_insn ().
3153         (init_h_i_d): Initialize dependencies lists.
3155         (process_insn_depend_be_in_spec): Rename to
3156         process_insn_forw_deps_be_in_spec.  Update to use new scheduler
3157         dependencies lists.
3158         (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
3159         Update to use new scheduler dependencies lists.
3160         (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
3162         * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
3163         new scheduler dependencies lists.
3164         (build_intra_loop_deps): Ditto.
3166         * target.h (struct _dep): Declare to use in
3167         gcc_target.sched.is_costly_dependence.
3168         (struct gcc_target.sched.adjust_cost): Fix typo.
3169         (struct gcc_target.sched.is_costly_dependence): Change signature to use
3170         single dep_t parameter instead of an equivalent triad.
3171         (struct gcc_target.sched.adjust_cost_2): Remove.
3173         * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
3175         * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
3177         * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
3178         documentation.
3179         (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
3181         * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
3182         (REG_DEP_TRUE): Document.
3184         * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
3185         Change signature to correspond to the targetm.sched.adjust_cost hook.
3186         Update use in TARGET_SCHED_ADJUST_COST_2.
3187         (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
3188         (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
3189         new scheduler dependencies lists.
3190         (ia64_gen_check): Ditto.
3192         * config/mips/mips.c (vr4130_swap_insns_p): Update to use new scheduler
3193         dependencies lists.
3195         * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
3196         signature to correspond to the targetm.sched.is_costly_dependence hook.
3197         (is_costly_group): Update to use new scheduler dependencies lists.
3199         * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
3200         instead of INSN_COST () macro.
3202 2007-02-01  Ian Lance Taylor  <iant@google.com>
3204         * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
3206 2007-02-01  Guy Martin  <gmsoft@gentoo.org>
3208         * pa.md (tp_load): Correct mfctl instruction syntax.
3210 2007-02-01  Geoffrey Keating  <geoffk@apple.com>
3212         * config/rs6000/rs6000.c (rs6000_stack_info): Correct
3213         altivec_padding_size calculation on AIX.  Improve comment, add
3214         assert to verify that it's right.
3216         * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
3217         64-bit.
3219 2007-2-01  Seongbae Park  <seongbae.park@gmail.com>
3221         PR inline-asm/28686
3222         * global.c (global_alloc): Add mising initialization of
3223         ELIMINABLE_REGSET.
3225 2007-02-01  Roger Sayle  <roger@eyesopen.com>
3227         * alias.c (init_alias_analysis): Correct whitespace.
3228         * bb-reorder.c (fix_edges_for_rarely_executed_code,
3229         partition_hot_cold_basic_blocks): Likewise.
3230         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
3231         expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
3232         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
3233         fold_builtin_snprintf_chk, fold_builtin_printf,
3234         fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
3235         do_mpfr_arg3, do_mpfr_sincos): Likewise.
3236         * cfgcleanup.c (cleanup_cfg): Likewise.
3237         * cfgexpand.c (tree_expand_cfg): Likewise.
3238         * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
3239         * function.c (get_next_funcdef_no): Likewise.
3240         * gengtype.c (main): Likewise.
3241         * genmodes.c (main): Likewise.
3242         * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
3243         * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
3244         * ifcvt.c (noce_emit_move_insn): Likewise.
3245         * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
3246         Likewise.
3247         * stor-layout.c (get_best_mode): Likewise.
3248         * tree-ssa-loop-niter.c (get_val_for): Likewise.
3249         * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
3250         scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
3251         perform_var_substitution, solve_graph): Likewise.
3252         * tree-vrp.c (vrp_finalize): Likewise.
3254 2007-02-01  Ian Lance Taylor  <iant@google.com>
3256         * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
3257         high part of a paradoxical subreg, return a constant zero.
3259 2007-02-01  Zdenek Dvorak <dvorakz@suse.cz>
3261         * toplev.c (lang_dependent_init): Call init_set_costs.
3262         * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
3264 2007-02-01  Richard Guenther  <rguenther@suse.de>
3266         PR middle-end/30656
3267         * fold-const.c (fold_negate_expr): Allow negating a
3268         constant if overflow does not change.
3270 2007-02-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3272         * doc/c-tree.texi (Expression trees): Improve markup.
3273         * doc/tm.texi (Register Classes, Addressing Modes)
3274         (Floating Point): Fix spacing after abbreviations.  Fix some
3275         typos.
3277 2007-02-01  Ben Elliston  <bje@au.ibm.com>
3279         * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
3280         * doc/contrib.texi: Likewise.
3281         * doc/install.texi: Likewise.
3283 2007-01-31  Richard Henderson  <rth@redhat.com>
3284             Ian Lance Taylor  <iant@google.com>
3286         * lower-subreg.c: New file.
3287         * rtl.def (CONCATN): Define.
3288         * passes.c (init_optimization_passes): Add pass_lower_subreg and
3289         pass_lower_subreg2.
3290         * emit-rtl.c (update_reg_offset): New static function, broken out
3291         of gen_rtx_REG_offset.
3292         (gen_rtx_REG_offset): Call update_reg_offset.
3293         (gen_reg_rtx_offset): New function.
3294         * regclass.c: Revert patch of 2006-03-05, restoring
3295         reg_scan_update.
3296         (clear_reg_info_regno): New function.
3297         * dwarf2out.c (concatn_loc_descriptor): New static function.
3298         (loc_descriptor): Handle CONCATN.
3299         * common.opt (fsplit_wide_types): New option.
3300         * opts.c (decode_options): Set flag_split_wide_types when
3301         optimizing.
3302         * timevar.def (TV_LOWER_SUBREG): Define.
3303         * rtl.h (gen_reg_rtx_offset): Declare.
3304         (reg_scan_update): Declare.
3305         * regs.h (clear_reg_info_regno): Declare.
3306         * tree-pass.h (pass_lower_subreg): Declare.
3307         (pass_lower_subreg2): Declare.
3308         * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
3309         (Optimize Options): Add -fsplit-wide-types to -O1 list.  Document
3310         -fsplit-wide-types.
3311         * doc/rtl.texi (Regs and Memory): Document concat and concatn.
3312         * Makefile.in (OBJS-common): Add lower-subreg.o.
3313         (lower-subreg.o): New target.
3315 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
3317         * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
3319 2007-01-31  Anatoly Sokolov <aesok@post.ru>
3321         PR target/19087
3322         * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
3324 2007-01-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3326         PR middle-end/29335
3327         * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
3329 2007-01-31  Zdenek Dvorak <dvorakz@suse.cz>
3331         * cfgloop.h: Include vec-prim.h.
3332         (enum li_flags): Remove LI_ONLY_OLD.
3333         (loop_iterator): Changed.
3334         (fel_next, fel_init): Iterate over loop tree.
3335         (FOR_EACH_LOOP_BREAK): New macro.
3336         * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
3337         FOR_EACH_LOOP.
3338         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
3339         * modulo-sched.c (sms_schedule): Ditto.
3340         * tree-vectorizer.c (vectorize_loops): Ditto.
3341         * doc/loop.texi: Update information on loop numbering and behavior of
3342         FOR_EACH_LOOP wrto new loops.
3343         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
3344         add_to_evolution_1): Test nestedness of loops instead of comparing
3345         their numbers.
3346         * tree-chrec.c (chrec_fold_plus_poly_poly,
3347         chrec_fold_multiply_poly_poly, chrec_evaluate,
3348         hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
3349         reset_evolution_in_loop): Ditto.
3350         * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
3352 2007-01-31  Dirk Mueller  <dmueller@suse.de>
3354         * c-common.c (warn_about_parentheses): Separate warning about
3355         un-parenthized sequence of comparison operators from the one
3356         which is supposed to warn about x <= y <= z.
3358 2007-01-31  Uros Bizjak  <ubizjak@gmail.com>
3360         * optabs.h (enum optab_index): Add new OTI_isinf.
3361         (isinf_optab): Define corresponding macro.
3362         * optabs.c (init_optabs): Initialize isinf_optab.
3363         * genopinit.c (optabs): Implement isinf_optab using isinf?f2
3364         patterns.
3365         * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
3366         (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
3367         using isinf_optab.
3368         (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
3369         expand_builtin_interclass_mathfn.
3370         * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
3371         * config/i386/i386.md (UNSPEC_FXAM): New constant.
3372         (fxam<mode>2_i387): New insn pattern.
3373         (isinf<mode>2) New expander to implement isinf, isinff and isinfl
3374         built-in functions as x87 inline asm.
3376 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
3378         * gcc/config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
3380 2007-01-30  Eric Christopher  <echristo@apple.com>
3382         * config.gcc: Add geode.
3384 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
3386         * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
3387         ipa-inline.c, tree-profile.c, tree-ssa-live.c,
3388         tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
3389         value-prof.c: Fix comment typos.
3391 2007-01-30  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3393         PR c++/24745
3394         * doc/invoke.texi (Wpointer-arith): Document warning.
3396 2007-01-30  Janis Johnson  <janis187@us.ibm.com>
3398         * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
3399         the list of discrepancies from the draft TR.
3401 2007-01-30  Dirk Mueller  <dmueller@suse.de>
3403         PR c++/30601
3404         * doc/invoke.texi (-Wreturn-type): Update description to
3405         match new behavior.
3407 2007-01-30  Richard Sandiford  <richard@codesourcery.com>
3409         * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
3411 2007-01-30  Uros Bizjak  <ubizjak@gmail.com>
3413         * builtins.c (expand_builtin_int_interclass_roundingfn): New function
3414         to handle optabs that operate on floating point input argument and
3415         output to integer output.
3416         (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
3417         (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
3418         (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
3419         expand_builtin_interclass_mathfn ().
3420         * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
3421         (ilogbsi2): Remove.
3422         (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
3423         ilogbl built-in functions as x87 intrinsics.
3425 2007-01-30  Richard Guenther  <rguenther@suse.de>
3427         PR middle-end/27657
3428         * dwarf2out.c (reference_to_unused): Query varpool if the
3429         variable was output.
3431 2007-01-30  Richard Guenther  <rguenther@suse.de>
3433         PR middle-end/30313
3434         * passes.c (execute_one_pass): Reset in_gimple_form to not
3435         confuse non-unit-at-a-time mode.
3437 2007-01-29  Roger Sayle  <roger@eyesopen.com>
3438             Richard Guenther  <rguenther@suse.de>
3440         * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
3441         avoid undefined behaviour on overflow.  Use force_fit_type_double
3442         to construct the constant with the specified TREE_OVERFLOW.
3444 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
3446         * config/dfp-bit.c: Add parameterized support for fp exceptions.
3447         * config/dfp-bit.h: Ditto.
3449 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3451         * c-decl.c (pop_scope): Replace warnings with call to
3452         warn_for_unused_label.
3453         * c-common.h (warn_for_unused_label): Declare.
3454         * c-common.c (warn_for_unused_label): Define.
3456 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3458         * tree-optimize.c (update_inlined_to_pointers): Delete unused
3459         function.
3461 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
3463         * Makefile.in (USER_H): Remove decfloat.h.
3464         * ginclude/decfloat.h: Delete, moving contents to ...
3465         * ginclude/float.h: Add support for decimal floating point,
3466         guarded by __STDC_WANT_DEC_FP__.
3468 2007-01-29  Mike Stump  <mrs@apple.com>
3470         * doc/gccint.texi (Top): Rename Loop Representation to Loop
3471         Analysis and Representation to resolve case insensitive conflict.
3472         * doc/loop.texi (Loop Analysis and Representation): Likewise.
3474 2007-01-28  Daniel Berlin  <dberlin@dberlin.org>
3476         * tree.h (struct tree_memory_tag): Add aliases member.
3477         (MTAG_ALIASES): New macro.
3478         * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
3479         (add_may_alias): Remove pointer-set. Update for may_aliases being
3480         a bitmap.
3481         (mark_aliases_call_clobbered): Update for may_aliases being a
3482         bitmap.
3483         (compute_tag_properties): Ditto.
3484         (create_partition_for): Ditto.
3485         (compute_memory_partitions): Ditto.
3486         (dump_may_aliases_for): Ditto.
3487         (is_aliased_with): Ditto.
3488         (add_may_alias_for_new_tag): Ditto.
3489         (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
3490         (compute_is_aliased): New function.
3491         (compute_may_aliases): Call compute_is_aliased).
3492         (init_alias_info): Initialize alias_bitmap_obstack.
3493         (union_alias_set_into): New function.
3494         (compute_flow_sensitive_aliasing): Use union_aliases_into.
3495         (have_common_aliases_p): Rewrite to take two bitmaps and use
3496         intersection.
3497         (compute_flow_insensitive_aliasing): Stop using pointer-sets.
3498         Update for bitmaps.
3499         (finalize_ref_all_pointers): Update for add_may_alias changes.
3500         (new_type_alias): Ditto.
3501         * tree-flow-inline.h (may_aliases): Return a bitmap.
3502         * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
3503         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
3504         may_aliases being a bitmap.
3505         * tree-flow.h (struct var_ann_d): Remove may_aliases member.
3506         may_aliases now returns a bitmap.
3507         * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
3508         being a bitmap.
3509         * tree-ssa-operands.c (add_virtual_operand): Update for
3510         may_aliases being a bitmap.
3512 2007-01-29  Daniel Berlin  <dberlin@dberlin.org>
3514         PR tree-optimization/30630
3515         * tree-ssa-structalias.c (do_complex_constraint): Mark correct
3516         variable as changed.
3518 2007-01-29  Simon Martin  <simartin@users.sourceforge.net>
3520         PR c++/28266
3521         * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
3522         expanded only once even if an error occurs.
3524 2007-01-29  Ben Elliston  <bje@au.ibm.com>
3526         * gcov-io.h (__gcov_indirect_call_profiler): Declare.
3527         (__gcov_average_profiler): Likewise.
3528         (__gcov_ior_profiler): Likewise.
3529         (__gcov_merge_ior): Likewise.
3531 2007-01-28  Jan Hubicka  <jh@suse.cz>
3533         * builtins.c (expand_builtin_memset): Fix typo in my last patch.
3534         * value-prof.c (stringop_block_profile): Likewise.
3536 2007-01-28  Jan Hubicka  <jh@suse.cz>
3538         * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall): Add
3539         variant handling histograms; add wrapper.
3540         (clear_storage_via_libcall): Export.
3541         (emit_block_move_hints): Break out from ...; add histograms.
3542         (emit_block_move): ... this one.
3543         (clear_storage_hints): Break out from ...; add histograms.
3544         (clear_storage): ... this one.
3545         (set_storage_via_memset): Handle histogram.
3546         * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
3547         (clear_storage_hints, clear_storage_via_libcall): Declare.
3548         (set_storage_via_setmem): Update prototype.
3549         * doc/md.texi (movmem, setmem): Document new arguments.
3551         * value-prof.c (dump_histogram_value, tree_find_values_to_profile): Add
3552         new histograms.
3553         (stringop_block_profile): New global function.
3554         (tree_stringops_values_to_profile): Profile block size and alignment.
3555         * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
3556         HIST_TYPE_IOR.
3557         (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
3558         (stringop_block_profile): Declare.
3559         * builtins.c: Include value-prof.h.
3560         (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
3561         * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
3562         (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
3563         (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
3564         * profile.c (instrument_values): Add new counters.
3565         * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
3566         calls.
3567         * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
3568         (tree_init_edge_profiler): Build new profilers.
3569         (tree_gen_average_profiler, tree_gen_ior_profiler): New.
3570         (pass_tree_profile): Add dump.
3571         (tree_profile_hooks): Update.
3572         * Makefile.in (LIBGCOV): Add new constants.
3573         * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
3574         __gcov_ior_profiler): New.
3575         * i386.md (movmem/setmem expanders): Add new optional arguments.
3577 2007-01-28  David Edelsohn  <edelsohn@gnu.org>
3579         * doc/md.texi (Standard Pattern Names): Document blockage pattern.
3581 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
3583         * tree-ssa-loop-unswitch.c: Include tree-inline.h.
3584         (tree_unswitch_single_loop): Pass eni_size_weights to
3585         tree_num_loop_insns.
3586         * tree-ssa-loop-manip.c: Include tree-inline.h.
3587         (can_unroll_loop_p): Pass eni_size_weights to
3588         tree_num_loop_insns.
3589         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
3590         Pass eni_size_weights to estimate_num_insns.
3591         * tree.h (init_inline_once): Export.
3592         * toplev.c (backend_init): Call init_inline_once.
3593         * cgraphunit.c (cgraph_process_new_functions,
3594         cgraph_analyze_function): Pass eni_inlining_weights to
3595         estimate_num_insns.
3596         * ipa-inline.c (compute_inline_parameters): Ditto.
3597         * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
3598         to estimate_num_insns.
3599         (try_unroll_loop_completely): Pass eni_size_weights to
3600         tree_num_loop_insns.
3601         * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
3602         ot estimate_num_insns.
3603         * tree-ssa-loop-prefetch.c: Include tree-inline.h.
3604         (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
3605         * tree-inline.c (eni_inlining_weights, eni_size_weights,
3606         eni_time_weights): New variables.
3607         (init_inline_once): Initialize them.
3608         (struct eni_data): Mew.
3609         (estimate_num_insns_1, estimate_num_insns): Use weights.
3610         * tree-inline.h (struct eni_weights_d): New.
3611         (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
3612         (estimate_num_insns): Declaration changed.
3613         * cfgloop.h (tree_num_loop_insns): Declaration changed.
3614         * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
3615         tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
3617 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
3619         * tree-data-ref.c (conflict_fn): Assert that the number of affine
3620         relations in the conflict function is valid.
3622 2007-01-27  Ian Lance Taylor  <iant@google.com>
3624         * common.opt: Add fstrict-overflow.
3625         * opts.c (decode_options): Set flag_strict_overflow if -O2.
3626         * flags.h (TYPE_OVERFLOW_WRAPS): Define.
3627         (TYPE_OVERFLOW_UNDEFINED): Define.
3628         (TYPE_OVERFLOW_TRAPS): Define.  This replaces TYPE_TRAP_SIGNED.
3629         Replace all uses.
3630         * tree.h (TYPE_TRAP_SIGNED): Don't define.
3631         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
3632         (fold_negate_expr): Likewise.
3633         (make_range): Likewise.
3634         (extract_muldiv_1): Likewise.
3635         (maybe_canonicalize_comparison): Likewise.
3636         (fold_comparison): Likewise.
3637         (fold_binary): Likewise.
3638         (tree_expr_nonnegative_p): Likewise.
3639         (tree_expr_nonzero_p): Likewise.
3640         * tree-vrp.c (compare_values): Likewise.
3641         (extract_range_from_binary_expr): Likewise.
3642         (extract_range_from_unary_expr): Likewise.
3643         * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
3644         Likewise.
3645         (nowrap_type_p): Likewise.
3646         * tree-scalar-evolution.c (simple_iv): Likewise.
3647         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
3648         (build_range_check): Likewise.
3649         (extract_muldiv_1): Likewise.
3650         (fold_comparison): Likewise.
3651         * tree-vrp.c (vrp_int_const_binop): Likewise.
3652         (extract_range_from_unary_expr): Likewise.
3653         * convert.c (convert_to_integer): Likewise.
3654         * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
3655         (fold_comparison): Likewise.
3656         (fold_binary): Likewise.
3657         * optabs.c (optab_for_tree_code): Likewise.
3658         * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
3659         * simplify-rtx.c (simplify_const_relational_operation): Check
3660         flag_strict_overflow and flag_trapv.
3661         (simplify_const_relational_operation): Likewise.
3662         * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
3663         (Optimize Options): Add -fstrict-overflow to -O2 list.  Document
3664         -fstrict-overflow.
3666 2007-01-27  Roger Sayle  <roger@eyesopen.com>
3668         * tree.c (tree_fold_gcd): Delete.
3669         * tree.h (tree_fold_gcd): Remove prototype.
3670         * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
3671         test whether one constant integer is a multiple of another.  Instead
3672         call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
3673         * fold-const.c (multiple_of_p):  We've determined both TOP and
3674         BOTTOM are integer constants so we can call int_const_binop directly
3675         instead of the more generic const_binop.
3677 2007-01-27  Roger Sayle  <roger@eyesopen.com>
3679         * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
3680         1*X check that the constant hasn't overflowed, to preserve the
3681         TREE_OVERFLOW bit.
3682         (round_up): Provide an efficient implementation when rouding-up an
3683         INTEGER_CST to a power-of-two.
3685 2007-01-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3687         * doc/sourcebuild.texi: Add comma for clarity.
3688         * doc/extend.texi: Fix some typos.
3689         * doc/passes.texi: Likewise.
3690         * doc/cppinternals.texi: Likewise.
3691         * doc/c-tree.texi: Likewise.
3692         * doc/tree-ssa.texi: Likewise.
3693         * doc/install.texi: Likewise.
3695 2007-01-27  Jan Hubicka  <jh@suse.cz>
3697         * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
3698         (pass_sra): Do not require alias information.
3699         * passes.c (init_optimization_passes): Add SRA
3701 2007-01-27  Steven Bosscher  <steven@gcc.gnu.org>
3703         * tracer.c (rest_of_handle_tracer): We already cleaned
3704         up the CFG in tracer() so don't do it here again.
3705         * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
3706         cleanup_cfg here, either.  And don't call renumber_insns.
3708         * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
3709         and BB_HEAD are in the insn stream here.  Instead make sure
3710         that BB_INSN is valid on all insns.  Also, do check here that
3711         there are no pending branch predictions...
3712         (rtl_verify_flow_info): ...instead of doing it here.  Checks
3713         for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
3714         here.
3716 2007-01-26  Roger Sayle  <roger@eyesopen.com>
3718         * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
3719         function to simplify/factorize operand order canonicalization.
3720         (ix86_fixup_binary_operands): Reorganize using the above function.
3721         (ix86_binary_operator_ok): Likewise.
3723 2007-01-27  Jakub Jelinek  <jakub@redhat.com>
3725         * genattrtab.c (struct attr_value_list, insn_code_values): Move to
3726         file scope from optimize_attrs.
3727         (simplify_test_exp): If insn_code_values is not NULL, use it to speed
3728         up search.
3729         (optimize_attrs): Clear insn_code_values after freeing it.
3731 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
3733         * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
3734         a parts.base assignment.
3736 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
3738         * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
3739         (compute_subscript_distance, initialize_data_dependence_relation,
3740         finalize_ddr_dependent, analyze_ziv_subscript,
3741         analyze_siv_subscript_cst_affine,
3742         compute_overlap_steps_for_affine_univar,
3743         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
3744         analyze_siv_subscript, analyze_miv_subscript,
3745         analyze_overlapping_iterations, subscript_dependence_tester_1,
3746         compute_self_dependence, free_dependence_relation): Work
3747         with affine_fn instead of chrecs.
3748         (dump_affine_function, dump_conflict_function, affine_function_equal_p,
3749         common_affine_function, affine_function_base,
3750         affine_function_constant_p, affine_fn_op, affine_fn_plus,
3751         affine_fn_minus, affine_fn_free, conflict_fn_not_known,
3752         conflict_fn_no_dependence, free_conflict_function, free_subscripts,
3753         conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
3754         (all_chrecs_equal_p): Removed.
3755         * tree-data-ref.h (affine_fn, conflict_function): New types.
3756         (struct subscript): Change type of conflicting_iterations_in_a
3757         and conflicting_iterations_in_b.
3759 2007-01-26  Steve Ellcey  <sje@cup.hp.com>
3761         PR other/30182
3762         * config/pa/pa.h (TARGET_HPUX_11): New.
3763         * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
3764         * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
3766 2007-01-26  Daniel Berlin  <dberlin@dberlin.org>
3767         Richard Guenther  <rguenther@suse.de>
3769         * tree-ssa-structalias.c (solve_graph): Handle case
3770         we merged the variable to another.
3772 2007-01-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3774         * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
3775         functions.
3777         * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
3778         catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
3780 2007-01-25  DJ Delorie  <dj@redhat.com>
3782         * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
3783         allow changes to modes which don't fit in those registers.
3785         * reload1.c (choose_reload_regs): Check for invalid subregs before
3786         computing their locations, not after.
3788 2007-01-25  Geoffrey Keating  <geoffk@apple.com>
3790         PR 25127
3791         * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
3792         save Altivec registers in an eh_return function.
3793         (compute_vrsave_mask): Likewise.
3794         (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
3795         for saving Altivec registers.
3796         (rs6000_emit_prologue): Don't allocate stack twice in
3797         eh_return function.  Correct expected value of altivec_save_offset
3798         when using save_world.  Describe save of R0 to stack when using
3799         save_world.  Describe stack pointer adjustment when using
3800         save_world.  Remove duplicated eh_return parameter register saving.
3801         Update sp_offset variable after save_world.
3802         * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
3803         darwin-world.asm.
3804         (LIB2FUNCS_EXTRA): Add darwin-world.asm.
3805         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
3806         implies Altivec.
3808 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
3810         * config.gcc (ia64*-*-hpux*): Make posix threads the default.
3812 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
3814         PR other/30182
3815         * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
3816         * config/ia64/ia64.c (ia64_init_builtins):  Ditto.
3818 2007-01-25  Richard Guenther  <rguenther@suse.de>
3820         * doc/invoke.texi (-Wcoverage-mismatch): Document.
3821         * common.opt (-Wcoverage-mismatch): New warning option.
3822         * coverage.c (get_coverage_counts): Ignore coverage mismatch
3823         if -Wcoverage-mismatch is given.
3825 2007-01-25  Razya Ladelsky  <razya@il.ibm.com>
3827         * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
3828         (ipcp_driver): Change to static definition.
3829         Add dumping of the ifunctions.
3830         (constant_val_insert): Remove unused parameter. Support for SSA.
3831         (ipcp_propagate_const): Support for SSA.
3832         (ipcp_profile_bb_print): Print only analyzed nodes.
3833         (ipcp_replace_map_create): Remove support for Fortran constant
3834         for now.
3835         * ipa-prop.c (ipa_method_modify_stmt,
3836         ipa_callsite_compute_param): Support for SSA.
3837         * ipa-prop.h (ipcp_driver): Remove declaration.
3838         (IS_VALID_TREE_MAP_INDEX): Add define.
3840 2007-01-24  Geoffrey Keating  <geoffk@apple.com>
3842         * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
3844 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3846         PR middle-end/30447
3847         * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
3848         constant argument to cabs and do it without checking for
3849         -funsafe-math-optimizations.
3851 2007-01-24  Douglas Gregor  <dgregor@osl.iu.edu>
3853         * c-common.h (RID_FIRST_CXX0X): New.
3854         (RID_LAST_CXX0X): New.
3855         * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
3856         by -Wall.
3857         * c.opt (Wc++0x-compat): New.
3858         * doc/invoke.texi (-Wc++0x-compat): Document.
3860 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3862         * builtins.c (fold_builtin_carg): New.
3863         (fold_builtin_1): Use it.
3865 2007-01-24  Jan Hubicka  <jh@suse.cz>
3867         * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
3869         * ipa-inline.c (initial_insns, max_insns): Delete.
3870         (compute_max_insns): New function.
3871         (cgraph_decide_inlining_of_small_function): Use it; take minimal amount
3872         of insns as base for code growth.
3873         (cgraph_decide_inlining): Make initial_insns local; do not compute
3874         max_insns.
3875         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
3876         * doc/invoke.texi (inline-unit-growth): Update docs.
3878 2007-01-24  Jakub Jelinek  <jakub@redhat.com>
3880         * config/i386/i386.h (x86_cmpxchg16b): Remove const.
3881         (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
3882         * config/i386/i386.c (x86_cmpxchg16b): Remove const.
3883         (override_options): Add PTA_CX16 flag.  Set x86_cmpxchg16b
3884         for CPUs that have PTA_CX16 set.
3886         PR middle-end/27416
3887         * gimplify.c (omp_check_private): New function.
3888         (gimplify_scan_omp_clauses): Use it for
3889         firstprivate/lastprivate/reduction.
3891         PR middle-end/30494
3892         * gimplify.c (omp_add_variable): Don't call omp_notice_variable
3893         on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
3895         PR middle-end/30421
3896         * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
3897         If lower_lastprivate_clauses emits some statements, append them
3898         to dlist rather than body_p and to body_p append an initializer.
3899         (lower_omp_for): Adjust caller.
3901 2007-01-24  Steve Ellcey  <sje@cup.hp.com>
3903         * target.h (globalize_decl_name): New.
3904         * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
3905         * output.h (default_globalize_decl_name): New.
3906         * varasm.c (asm_output_bss): Use globalize_decl_name instead of
3907         globalize_label.
3908         (globalize_decl): Ditto.
3909         (default_globalize_decl_name): New.
3910         * config/ia64/ia64.c (ia64_globalize_decl_name): New.
3911         (ia64_handle_version_id_attribute): New.
3912         (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
3913         (ia64_asm_output_external): Use globalize_decl_name instead
3914         of globalize_label.
3915         * doc/extend.texi (version_id): New pragma.
3916         * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
3918 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
3920         * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
3921         _uleb128_t and _Unwind_SWord with _sleb128_t.
3922         * unwind-dw2.c (extract_cie_info, execute_stack_op, execute_cfa_program,
3923         uw_frame_state_for, uw_update_context_1): Likewise.
3924         * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
3925         * unwind-pe.h (read_uleb128, read_sleb128,
3926         read_encoded_value_with_base): Likewise.
3927         * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
3929 2007-01-24  Richard Guenther  <rguenther@suse.de>
3931         * builtins.c (expand_builtin_cexpi): Get the fndecl
3932         for cexp in the correct way.
3934 2007-01-24  Jan Hubicka  <jh@suse.cz>
3936         * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS of calls.
3938 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
3940         * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
3941         (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
3942         __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
3943         __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
3944         __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
3945         __SIZEOF_PTRDIFF_T__.
3946         * doc/cpp.texi: Documentation for the new builtin macros added.
3948 2007-01-24  Uros Bizjak  <ubizjak@gmail.com>
3950         * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
3951         log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
3952         instead of operands[2] to avoid access past the end of array.
3954 2007-01-24  Richard Sandiford  <richard@codesourcery.com>
3956         * reload1.c (emit_reload_insns): Pass the reload register
3957         for a non-spill output reload through forget_old_reloads_1.
3959 2007-01-23  Joseph Myers  <joseph@codesourcery.com>
3961         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
3962         _SOFT_DOUBLE if doubles use software floating-point.
3963         * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
3964         double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
3965         * config/rs6000/darwin-ldouble.c: Also compile functions for
3966         hard-float without FPRs.  Use fmsub function for all __NO_FPRS__
3967         cases.  Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
3968         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
3969         commented-out long double override.
3970         (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
3971         * config/rs6000/eabispe.h: Likewise.
3972         * config/rs6000/rs6000.c (rs6000_override_options): Don't override
3973         long double for non-SPE.
3974         (rs6000_handle_option): Likewise.
3975         (invalid_e500_subreg): Disallow more subregs involding DImode,
3976         DFmode, TImode or TFmode.
3977         (rs6000_legitimate_offset_address_p): Check TFmode offsets for
3978         E500 double.
3979         (legitimate_lo_sum_address_p): Also check for TFmode for E500
3980         double.
3981         (rs6000_legitimize_address): Also handle TFmode for E500 double.
3982         (rs6000_legitimize_reload_address): Also handle TFmode for E500
3983         double.
3984         (rs6000_legitimate_address): Also check for TFmode for E500
3985         double.
3986         (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
3987         (spe_build_register_parallel): Handle TFmode and TCmode.
3988         (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
3989         double.
3990         (function_arg): Handle TFmode and TCmode for E500 double.
3991         (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
3992         in general.
3993         (print_operand): Handle TFmode and TImode for %y.
3994         (rs6000_generate_compare): Handle TFmode comparisons for E500
3995         double.
3996         (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
3997         (rs6000_function_value): Handle TFmode and TCmode for E500 double.
3998         (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
3999         * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
4000         TFmode for E500 double.
4001         * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
4002         (floatsidf2): Enable for E500 double.
4003         (movtf_softfloat): Use rs6000_nonimmediate_operand.
4004         (extenddftf2): Change to extenddftf2_fprs.
4005         (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
4006         depending on TARGET_E500_DOUBLE.
4007         (extendsftf2): Enable for E500 double.
4008         (trunctfdf2): Enable for E500 double.
4009         (trunctfsf2): Change to trunctfsf2_fprs.
4010         (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
4011         depending on TARGET_E500_DOUBLE.
4012         (floatsitf2): Enable for E500 double.
4013         (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
4014         (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
4015         gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
4016         (negtf2): Change to negtf2_internal.
4017         (negtf2): New expander.
4018         (abstf2): Enable for E500 double.  Call gen_spe_abstf2_tst,
4019         gen_spe_abstf2_cmp or gen_abstf2_internal depending on
4020         TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
4021         (movdi_internal32): Use rs6000_nonimmediate_operand.
4022         (unnamed splitter): Likewise.
4023         * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
4024         TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
4025         (SPE64TF, DITI): New mode macros.
4026         (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
4027         modes.
4028         (frob_tf_ti): New.
4029         (frob_<mode>_di_2): New.
4030         (frob_tf_di_8_2): New.
4031         (frob_di_df): Change to frob_di_<mode>; allow more modes.
4032         (frob_ti_tf): New.
4033         (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
4034         more modes.
4035         (frob_ti_<mode>_8_2): New.
4036         (frob_ti_tf_2): New.
4037         (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
4038         mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
4039         TFmode.
4040         (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
4041         mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
4042         (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
4043         spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
4044         spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
4045         (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
4046         tsttflt_gp): New.
4048 2007-01-23  Ian Lance Taylor  <iant@google.com>
4050         * Makefile.in (OBJS-common): Reformat, alphabetize, but put
4051         insn-*.o first.
4052         (OBJS-archive): Reformat, alphabetize.
4053         (OBJS): Change out_object_file to OBJS-md.
4055 2007-01-23  Uros Bizjak  <ubizjak@gmail.com>
4057         * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
4058         JUMP_P and CALL_P predicates where applicable.
4059         * config/i386/i386.c: Ditto.
4060         * config/i386/i386.md: Ditto.
4061         * config/i386/mmx.md: Ditto.
4062         * config/i386/predicates.md: Ditto.
4064 2007-01-22  Andreas Schwab  <schwab@suse.de>
4066         * config/m68k/m68k.h: Fix comment.
4068 2007-01-22  Jan Hubicka  <jh@suse.cz>
4070         * passes.c (init_optimization_passes): Do not rerun
4071         pass_early_warn_uninitialized.
4073 2007-01-22  Richard Guenther  <rguenther@suse.de>
4075         PR tree-optimization/30038
4076         * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
4077         function.
4078         (execute_cse_sincos_1): Likewise.
4079         (execute_cse_sincos): Likewise.
4080         (gate_cse_sincos): Likewise.
4081         (pass_cse_sincos): New pass CSEing sin() and cos() calls using
4082         the cexpi() canonicalization of sincos().
4083         * tree-pass.h (pass_cse_sincos): Declare.
4084         * passes.c (init_optimization_passes): New pass pas_cse_sincos.
4086 2007-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
4088         PR rtl-optimization/29329
4089         * combine.c (replaced_rhs_insn): Rename to i2mod.
4090         (replaced_rhs_value): Rename to i2mod_new_rhs.
4091         (i2mod_old_rhs): New global variable.
4092         (combine_instructions): Adjust for above change.  Save a copy of
4093         the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
4094         note are substituted in the second instruction.
4095         (distribute_notes) <REG_DEAD>: Adjust for above change.  Do not
4096         ditch the note if it pertains to the second eliminated register
4097         and this register is mentioned in i2mod_old_rhs.
4099         Revert:
4100         2006-09-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
4102         * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
4103         the insn to which the note was originally attached.
4105 2007-01-21  Jan Hubicka  <jh@suse.cz>
4107         * ipa-inline.c (inlining_mode): Comment, move up.
4108         (cgraph_decide_inlining_incrementally): Do not perform inlining
4109         itself; fix handling of flattening of self recursive functions.
4110         (cgraph_find_cycles): Remove.
4111         (cgraph_flatten_node): Remove.
4112         (cgraph_decide_inlining): Use incremental inliner to handle flattening.
4113         (try_inline): New function.
4114         (cgraph_early_inlining): Update call of
4115         cgraph_decide_inlining_incrementally.  Apply inlining here.
4116         (apply_inline): Update call of cgraph_decide_inlining_incrementally.
4118 2007-01-21  Dirk Mueller  <dmueller@suse.de>
4120         PR bootstrap/30511
4121         * tree-vrp.c (check_array_bounds): do not warn
4122         about ADDR_EXPR's of ARRAY_REF's which are immediately
4123         used in binary expressions.
4125 2007-01-21  Ira Rosen  <irar@il.ibm.com>
4127         * tree-vectorizer.h (struct _stmt_vec_info): Add new field
4128         read_write_dep and macros for its access.
4129         * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
4130         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
4131         argument, call vect_check_interleaving for every independent pair of
4132         data-refs. Mark loads that access the same memory location as a store
4133         in the loop.
4134         (vect_check_dependences): Remove.
4135         (vect_analyze_data_ref_dependences): Remove  vect_check_dependences
4136         call, fix the call to vect_analyze_data_ref_dependence.
4137         (vect_analyze_data_ref_access): For statements that access the same
4138         data-ref, check that they are not stores; for loads, check that there
4139         is no store that access the same location.
4141 2007-01-20  Roger Sayle  <roger@eyesopen.com>
4142             Joseph Myers  <joseph@codesourcery.com>
4144         * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
4145         (-fdump-rtl-stack): Likewise.
4146         (-fno-signed-zeros): Use @minus{} for a minus sign.  Correct typo.
4147         (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
4148         (-mpt-fixed): Use @minus{} for minus sign.
4149         (Using Precompiled Headers): Fix under/overfull hbox.
4151 2007-01-20  Jan Hubicka  <jh@suse.cz>
4153         * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
4154         place within annotation.
4156 2007-01-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4158         * pa.c (output_move_double): Change array size of xoperands to 4.
4160 2007-01-20  Jan Hubicka  <jh@suse.cz>
4162         * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
4163         as temporary.
4165 2007-01-19  Ian Lance Taylor  <iant@google.com>
4167         * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
4168         constant to unsigned HOST_WIDE_INT before negating.
4170 2007-01-19  Ian Lance Taylor  <iant@google.com>
4172         * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
4173         to unsigned.
4174         (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
4175         (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
4176         (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
4177         (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
4178         (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
4179         (realloc_vdef, realloc_vuse): Change second parameter to
4180         unsigned.
4181         (ssa_operand_iterator_d): Change vuse_index and mayuse_index
4182         fields to unsigned.
4183         * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
4184         unsigned. Change x and lim locals to unsigned.
4185         (realloc_vdef, realloc_vuse): Change num_elem parameter to
4186         unsigned.
4187         (finalize_ssa_vuse_ops): Change old_i local to unsigned.
4188         (copy_virtual_operands): Change i and n locals to unsigned.
4190 2007-01-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4192         PR middle-end/29335
4193         * builtins.c (fold_builtin_1): Handle builtin fdim.
4195 2007-01-20  Jan Hubicka  <jh@suse.cz>
4197         * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
4198         * tree-ssa-structalias.c (compute_points_to_sets): Do call
4199         init_alias_heapvars.
4200         (init_alias_heapvars): Initialize only when not already initialized.
4201         (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
4203 2007-01-19  Roger Sayle  <roger@eyesopen.com>
4205         * common.opt (fsigned-zeros): New command line option.
4206         * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
4207         of flag_unsafe_math_optimizations.
4208         * opts.c (set_fast_math_flags): The -ffast-math command line option
4209         implies -fno-signed-zeros.
4210         (fast_math_flags_set_p): Likewise.
4212         * doc/invoke.texi: Document new -fno-signed-zeros option, and update
4213         the documentation of -ffast-math appropriately.  Wrap long lines.
4215 2007-01-19  Steve Ellcey  <sje@cup.hp.com>
4217         * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
4218         * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
4220 2007-01-19  Tomas Bily  <tbily@suse.cz>
4222         * cgraphunit.c (cgraph_finalize_function): Updating of pid
4223         * tree-profile.c:
4224         (tree_init_ic_make_global_vars): New function
4225         (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
4226         (tree_gen_ic_profiler): New function
4227         (tree_gen_ic_func_profiler): New function
4228         (tree_profiling): Added calling of tree_gen_ic_func_profiler
4229         (tree_profile_hooks): Added hook for indirec/virtual calls
4230         * value-prof.c (tree_find_values_to_profile): New case for
4231         indirect calls
4232         (tree_values_to_profile): Call for determining indirect/virtual
4233         counters
4234         (tree_indirect_call_to_profile): New function
4235         (tree_ic_transform): New function
4236         (tree_ic): New function
4237         (find_func_by_pid): New function
4238         (init_pid_map): New function
4239         (tree_value_profile_transformations): Added check for
4240         indirect/virtual call transformation
4241         * value-prof.h (enum hist_type): New counter type for
4242         indirect/virtual calls
4243         (profile_hooks): Added new hook for profiling indirect/virtual
4244         calls
4245         * profile.c (instrument_values): New case for indirect/virtual
4246         call added
4247         * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
4248         (GCOV_COUNTER_V_INDIR): New counter type
4249         (GCOV_COUNTER_NAMES): New name of counter "indirect" added
4250         (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
4251         call added
4252         * cgraph.c: Definition of cgraph_max_pid
4253         (cgraph_create_node): Default init of pid attribute
4254         * cgraph.h: Declaration of cgraph_max_pid
4255         (struct cgraph_node): Added pid attribute
4256         * libgcov.c (__gcov_indirect_call_profiler): New function
4257         (__gcov_one_value_profiler_body): New function
4258         (__gcov_one_value_profiler): Body was moved to
4259         __gcov_one_value_profiler_body and calls it
4261 2007-01-19  Basile Starynkevitch  <basile@starynkevitch.net>
4263         * doc/gty.texi (Options): Document the mark_hook option to GTY.
4264         * gengtype.c (write_types_data, write_func_for_structure,
4265         write_types, ggc_wtd, pch_wtd): Add skip_hooks to
4266         write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
4267         (walk_type, write_func_for_structure): Generate the mark_hook if
4268         needed.
4270 2007-01-19  Jan Hubicka  <jh@suse.cz>
4272         * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
4273         'early' argument take inlining mode argument specifying whether to
4274         inline for size/speeed or all functions; add support for flattening;
4275         improve dumpting.
4276         (cgraph_early_inlining): Update call of decide_inlining_incrementally.
4278 2007-01-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4280         PR c++/17947
4281         * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
4282         the name of the declared identifier.
4284 2007-01-19  Dirk Mueller  <dmueller@suse.de>
4286         * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
4287         result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
4288         duplicate evaluation.
4290 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
4292         * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
4293         Macroize expander using X87MODEF12 mode macro.  Extend operand 1
4294         to XFMode, use acosxf2 and truncate result to requested mode.
4295         Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
4296         (asin<mode>2): Similarly, with asin expanders.
4297         (*fscalexf4_i387): Rename from *fscalexf4.
4298         (expNcorexf3): New expander.
4299         (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
4300         (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
4301         X87MODEF12 mode macro.  Extend operand 1 to XFMode, use expxf2 and
4302         truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
4303         patterns for SSE math.
4304         (exp10<mode>2): Similarly, with exp10 expanders.
4305         (exp2<mode>2): Similarly, with exp2 expanders.
4306         (expm1<mode>2): Similarly, with expm1 expanders.
4307         (ldexp<mode>3): Similarly, with ldexp expanders.
4308         (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
4309         Use gen_truncxf<mode>2_i387_noop to truncate result.
4311 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
4313         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
4314         for ColdFire targets.
4316 2007-01-19  Nathan Sidwell  <nathan@codesourcery.com>
4317             Richard Sandiford  <richard@codesourcery.com>
4319         * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
4320         (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
4321         (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
4322         * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
4323         (M68K_STATIC_CHAIN_REG_NAME): Likewise.
4324         * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
4326 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
4328         * config/m68k/m68k.md (adddi_dilshr32): Rename to...
4329         (*adddi_dilshr32): ...this.  Fix formatting.  Remove commented-out
4330         non-canonical pattern.  Restrict to !TARGET_COLDFIRE.
4331         (*adddi_dilshr32_cf): New pattern.
4332         (adddi3, subdi3): Remove first alternatives.
4334 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
4336         * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
4337         implemented using move.l, do not use its cc result for floating-point
4338         comparisons.
4340 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
4342         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
4343         from accepting 's' constraints if flag_pic.
4345 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
4347         * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
4348         (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
4349         (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
4350         condition from TARGET_68881 to TARGET_HARD_FLOAT.
4352 2007-01-19  Sandra Loosemore  <sandra@codesourcery.com>
4354         * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
4355         ColdFire alternatives.
4356         * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
4357         * config/m68k/m68k.md (clzsi2):  Define for ColdFire
4358         architectures that support ff1 instruction.
4360 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
4361             Julian Brown  <julian@codesourcery.com>
4363         * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
4364         * config/m68k/m68k.md (*movsi_cfv4): Fold into...
4365         (*movsi_cf): ...here.  Remove unnecessary 'R' from 'Rg'.
4366         Add commentary.
4368 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
4370         * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
4371         and return a bool.
4372         (output_move_const_into_data_reg, output_move_simode_const): Delete.
4373         * config/m68k/m68k.c (const_method, const_int_cost): Take a
4374         HOST_WIDE_INT instead of an rtx.
4375         (m68k_rtx_costs): Update call accordingly.
4376         (output_move_const_into_data_reg): Likewise.  Fix formatting.
4377         (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
4378         Return a bool.
4379         (output_move_simode_const): Update calls after above changes.
4380         Rework to use automatic variables and predicates like MEM_P.
4381         * config/m68k/m68k.md (pushexthisi_const): Update call to
4382         valid_mov3q_const.
4384 2007-01-19  Dirk Mueller  <dmueller@suse.de>
4386         * tree-ssa-alias.c (perform_var_substitution): Fix typo
4387         in dump_flags test.
4389 2007-01-19  Richard Guenther  <rguenther@suse.de>
4391         * builtins.c (expand_builtin_cexpi): Fall back to expanding
4392         via cexp in case sincos is not available.
4394 2007-01-19  Richard Guenther  <rguenther@suse.de>
4396         * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
4397         * defaults.h (TARGET_HAS_SINCOS): Default to off.
4398         * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
4399         * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
4400         * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
4401         * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
4402         * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
4403         * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
4405 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
4407         * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
4408         New insn patterns.
4409         (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
4410         (atan2xf3): Directly generate RTL pattern.
4411         (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
4412         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
4413         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
4414         disable patterns for SSE math.
4415         (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
4416         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
4417         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
4418         disable patterns for SSE math.
4420 2007-01-19  Alexandre Oliva  <aoliva@redhat.com>
4422         * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
4424 2007-01-18  Roger Sayle  <roger@eyesopen.com>
4426         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
4427         VIEW_CONVERT_EXPR to the same type as it's operand.
4429 2007-01-18  David Edelsohn  <edelsohn@gnu.org>
4431         * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
4432         configured for long double 128.
4434 2007-01-18  Mike Stump  <mrs@apple.com>
4436         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
4437         error.
4439 2007-01-18  Michael Meissner  <michael.meissner@amd.com>
4441         * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
4442         type correct.
4444 2007-01-18  Jan Hubicka  <jh@suse.cz>
4446         * tree-ssa-operands.c (vop_free_bucket_size): Never return value
4447         greater than NUM_VOP_FREE_BUCKETS.
4449 2007-01-18  Daniel Berlin  <dberlin@dberlin.org>
4451         * tree-ssa-structalias.c: Update comments.
4452         (ptabitmap_obstack): Removed.
4453         (pta_obstack): New.
4454         (oldpta_obstack): Ditto.
4455         (stats): Add a few members.
4456         (struct variable_info): Remove node, complex, address_taken, and
4457         indirect_target members. Add oldsolution member.
4458         (new_var_info): Do not initialize removed members.
4459         (constraint_expr_type): Remove INCLUDES.
4460         (constraint_graph): Add size, implicit_preds, rep,
4461         indirect_cycles, eq_rep, label, direct_nodes, and complex members.
4462         (FIRST_REF_NODE): New macro.
4463         (LAST_REF_NODE): Ditto.
4464         (FIRST_ADDR_NODE): Ditto.
4465         (find): New function.
4466         (unite): Ditto.
4467         (dump_constraint): Do not handle INCLUDES.
4468         (insert_into_complex): Do not insert duplicate constraints.
4469         (condense_varmap_nodes): Renamed and rewritten into ...
4470         (merge_node_constraints): This. Also fix bug in handling of
4471         offseted copy constraints.
4472         (clear_edges_for_node): No longer need to deal with preds at all,
4473         or removing associated preds/succs.
4474         (merge_graph_nodes): Deal with indirect_cycles.
4475         Don't deal with predecessors.
4476         (add_implicit_graph_edge): New function.
4477         (add_pred_graph_edge): Ditto.
4478         (add_graph_edge): Don't deal with predecessors.
4479         (build_constraint_graph): Removed.
4480         (build_pred_graph): New function.
4481         (build_succ_graph): Ditto.
4482         (struct scc_info): Removed in_component. Added roots, dfs, and
4483         node_mapping. Remove visited_index, unification_queue.
4484         (scc_visit): Deal with union-find we do now.
4485         Deal with cycles with REF nodes.
4486         (collapse_nodes): Renamed and rewritten to ...
4487         (unify_nodes): This.
4488         (process_unification_queue): Removed.
4489         (topo_visit): Cleanup
4490         (do_da_constraint): Use find.
4491         (do_sd_constraint): Ditto.
4492         (do_ds_constraint): Ditto.
4493         (do_complex_constraint): Ditto.
4494         (init_scc_info): Update for removed and added members.
4495         (find_and_collapse_graph_cycles): Renamed and rewritten into ...
4496         (find_indirect_cycles): This.
4497         (equivalence_class): New variable.
4498         (label_visit): New function.
4499         (perform_variable_substitution): Rewritten.
4500         (free_var_substitution_info): New function.
4501         (find_equivalent_node): Ditto.
4502         (move_complex_constraints): Ditto.
4503         (eliminate_indirect_cycles): Ditto.
4504         (solve_graph): Only propagate changed bits.
4505         Use indirect cycle elimination.
4506         Use find.
4507         (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
4508         (tree_id_eq): Renamed to ...
4509         (tree_vi_eq): This. Update for member change
4510         (insert_id_for_tree): Renamed and rewritten to ...
4511         (insert_vi_for_tree): This.
4512         (lookup_id_for_tree): Renamed and rewritten to ...
4513         (lookup_vi_for_tree): This.
4514         (get_id_for_tree): Renamed and rewritten to ...
4515         (get_vi_for_tree): Ditto.
4516         (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
4517         (process_constraint): Don't handle INCLUDES.
4518         Remove special ADDRESSOF case.
4519         (find_func_aliases): Rewrite to use vi functions instead of id
4520         ones.
4521         (create_function_info_for): Ditto.
4522         (create_variable_info_for): Ditto.
4523         (intra_create_variable_infos): Ditto.
4524         (merge_smts_into): Ditto.
4525         (find_what_p_points_to): Ditto.
4526         (init_base_vars): Ditto.
4527         (init_alias_vars): Ditto.
4528         (remove_preds_and_fake_succs): New function.
4529         (dump_sa_points_to_info): Dump new stats.
4530         (dump_solution_for_var): Use find.
4531         (set_used_smts): Fix formatting.
4532         (compute_points_to_sets): Updated for new functions.
4533         (ipa_pta_execute): Ditto.
4535 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
4536             Richard Sandiford  <richard@codesourcery.com>
4538         * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
4539         parallels.
4540         * calls.c (expand_call): If the return value is a PARALLEL,
4541         extract its first member.
4542         * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
4543         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
4544         use FUNCTION_EXTRA_EPILOGUE.
4545         (m68k_function_value): Return a PARALLEL if the return value
4546         is of a pointer type.
4547         * config/m68k/netbsd-elf.h (current_function_returns_pointer)
4548         (FUNCTION_EXTRA_EPILOGUE): Remove.
4549         * config/m68k/m68k.md (D0_REG): New constant.
4551 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
4553         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
4554         output a NOP for empty epilogues.
4556 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4558         * config/m68k/m68k.c (m68k_use_return_insn): Update comments
4559         before function.  Extend register save check to include all
4560         registers, not just integer ones.
4562 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
4564         * config/m68k/m68k-protos.h (use_return_insn): Rename to...
4565         (m68k_use_return_insn): ...this.
4566         * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
4567         * config/m68k/m68k.c (use_return_insn): Rename to...
4568         (m68k_use_return_insn): ...this.
4569         * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
4570         of USE_RETURN_INSN.
4572 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
4574         * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
4575         nearest even, fix denormal rounding overflow.
4577 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4579         * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
4580         f%$smove and f%$move.
4581         (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
4582         (extendsfdf2_cf): Use fdmove instead of f%&move.
4583         (truncdfsf2_cf): Use fsmove instead of f%$smove.
4584         (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
4586 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4588         * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
4589         GPR<-GPR moves.
4591 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4593         * real.h (real_format): Add a canonical_nan_lsbs_set field.
4594         (coldfire_single_format): Declare.
4595         (coldfire_double_format): Likewise.
4596         * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
4597         of qnan_msb_set to determine the lower bits of a canonical
4598         NaN significand.
4599         (encode_ieee_double): Likewise.
4600         (encode_ieee_quad): Likewise.
4601         (ieee_single_format): Initialize canonical_nan_lsbs_set.
4602         (mips_single_format): Likewise.
4603         (ieee_double_format): Likewise.
4604         (mips_double_format): Likewise.
4605         (ieee_extended_motorola_format): Likewise.
4606         (ieee_extended_intel_96_format): Likewise.
4607         (ieee_extended_intel_128_format): Likewise.
4608         (ieee_extended_intel_96_round_53_format): Likewise.
4609         (ibm_extended_format): Likewise.
4610         (mips_extended_format): Likewise.
4611         (ieee_quad_format): Likewise.
4612         (mips_quad_format): Likewise.
4613         (vax_f_format): Likewise.
4614         (vax_d_format): Likewise.
4615         (vax_g_format): Likewise.
4616         (i370_single_format): Likewise.
4617         (i370_double_format): Likewise.
4618         (decimal_single_format): Likewise.
4619         (decimal_double_format): Likewise.
4620         (decimal_quad_format): Likewise.
4621         (c4x_single_format): Likewise.
4622         (c4x_extended_format): Likewise.
4623         (real_internal_format): Likewise.
4624         (coldfire_single_format): New real_format.
4625         (coldfire_double_format): Likewise.
4626         * config/pdp11/pdp11.c (pdp11_f_format): Initialize
4627         canonical_nan_lsbs_set.
4628         (pdp11_d_format): Likewise.
4629         * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
4630         if TARGET_COLDFIRE_CPU.
4632 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4634         * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
4635         (output_call, m68k_legitimize_call_address): Declare.
4636         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
4637         parenthesees.  Add support for a 'W' constraint.
4638         (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
4639         (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
4640         (m68k_symbolic_call, m68k_symbolic_jump): Declare.
4641         * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
4642         variables.
4643         (override_options): Initialize them.  Do not set flag_no_function_cse
4644         for TARGET_ID_SHARED_LIBRARY.
4645         (m68k_output_pic_call): Delete.
4646         (m68k_legitimize_call_address): New function.
4647         (print_operand): Remove the %o prefix.  Handle the %p prefix.
4648         (output_call): New function.
4649         (m68k_output_mi_thunk): Use m68k_symbolic_jump.  Always load the
4650         target address from the GOT if symbolic jumps are not allowed.
4651         * config/m68k/m68k.md (call, general_operand): Do not set
4652         SYMBOL_REF_FLAG.  Use m68k_legitimize_call_address instead.
4653         Merge separate flag_pic and !flag_pic define_insns into...
4654         (*call, *call_value): ...these new patterns.  Match the address
4655         rather than the containing MEM and require it to be a call_operand.
4656         Use output_call to generate the asm template.
4657         * config/m68k/predicates.md (const_call_operand): New predicate.
4658         (call_operand): Likewise.
4660 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
4662         * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
4663         (STACK_GROWS_DOWNWARD): Define to 1.
4664         (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
4665         comments, emphasizing that these values are only defaults.
4666         * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
4667         * config/m68k/m68k.c (const_method): Remove trailing whitespace.
4669 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4671         * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
4673 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
4674             Richard Sandiford  <richard@codesourcery.com>
4676         * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
4677         (FP_REGNO_P): New macros.
4678         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
4679         (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
4680         (EH_RETURN_STACKADJ_RTX): Use A0_REG.
4681         * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
4683 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
4685         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
4686         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
4687         to $tmake_file.
4688         * config/m68k/t-floatlib: New file, extracting common code from...
4689         * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
4690         * config/m68k/t-uclinux: Here.
4691         * config/m68k/fpgnulib.c: Do not compile extendeed precision
4692         routines on ColdFire targets.
4694 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
4696         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
4697         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
4698         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
4699         (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
4700         explicitly set MOTOROLA to 1.
4701         * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
4703 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4704             Nathan Sidwell  <nathan@codesourcery.com>
4706         * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
4707         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
4708         * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
4709         * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
4710         * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
4711         * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
4712         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
4713         (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
4714         (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
4715         * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
4716         * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
4717         (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
4718         (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
4719         (DBX_REGISTER_NUMBER): Delete.
4720         * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
4721         (PCC_STATIC_STRUCT_RETURN): Don't undefine.
4722         * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
4724 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4726         * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
4727         * config/flat.h: New file.
4728         * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
4729         OBJECT_FORMAT_FLAT.
4730         * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
4731         indirect references for -msep-data or -mid-shared-library.
4732         Do not use PC-relative code addresses either.
4733         * config/m68k/m68k.c (override_options): Restrict -fPIC error
4734         to -mpcrel.
4735         * config/m68k/uclinux.h (STARTFILE_SPEC): Define.  Use Scrt1.o
4736         for shared libraries and crt1.o for executables.  Use crti.o and
4737         crtbegin.o.
4738         (ENDFILE_SPEC): Use crtend.o and crtn.o.
4739         (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
4740         Do not add -elf2flt or -shared-lib-id options here.
4741         (LINK_SPEC): Define.  Pass -elf2flt if no -elf2flt option is given.
4742         Pass -shared-lib-id if -mid-shared-library, taking the library
4743         identifier from -mshared-library-id if given, otherwise
4744         defaulting to 0.
4745         (EH_FRAME_IN_DATA_SECTION): Do not undefine.
4746         (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
4747         (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
4748         and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
4749         (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
4750         * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
4751         and crtend.o.
4752         * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
4753         jump sequence for ISA A and ISA A+.
4754         (PICJUMP): Likewise.
4756 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4758         * config.gcc (m68k-*-uclinux*): Base the port on the common
4759         and m68k GNU/Linux files rather than on the generic ELF ones.
4760         * config/m68k/uclinux.h (TARGET_VERSION): Override.
4761         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
4763 2007-01-18  Julian Brown  <julian@codesourcery.com>
4764             Richard Sandiford  <richard@codesourcery.com>
4766         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
4767         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
4768         * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
4769         before redefining.
4770         * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
4771         80 unconditionally.
4772         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
4774 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4776         * doc/install.texi: Document m68k-uclinuxoldabi.
4777         * config.gcc (m68k-*-uclinuxoldabi): New configuration.
4778         * config/m68k/uclinux-oldabi.h: New file, copied from
4779         config/m68k/uclinux.h.
4781 2007-01-18  Kaz Kojima  <kkojima@rr.iij4u.or.jp>
4783         * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
4784         * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
4785         (m32r_compute_frame_size): Use unsigned for regno.
4786         (m32r_reload_lr): Use gen_frame_mem.
4787         (pop): New.
4788         (m32r_output_function_epilogue): Don't output the function epilogue
4789         textually here.
4790         (m32r_expand_epilogue): New.
4791         (direct_return): Return false if the function has the interrupt
4792         attribute.
4793         (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
4794         * config/m32r/m32r.md (epilogue): New expander.
4795         (return_lr, return_rte): New insns.
4796         (return): Make it expander.
4797         (return_normal): New expander.
4799 2007-01-18  Josh Conner  <jconner@apple.com>
4801         PR target/30485
4802         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
4803         support for UNLE, UNLT, UNGE, and UNGT.
4805 2007-01-18  Jan Hubicka  <jh@suse.cz>
4807         * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
4808         * tree-tailcall (add_virtual_phis): Likewise.
4809         (optimize_tail_call): Return TODOs.
4810         (execute_tail_calls): Return TODOs.
4811         * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
4812         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
4813         changed.
4814         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
4815         Cleanup cfg using TODO.
4816         * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
4817         * passes.c (execute_function_todo): When cleanup did something, remove
4818         unused locals.
4819         * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
4820         (make_edges): Don't cleanup_cfg.
4822 2007-01-18  Uros Bizjak  <ubizjak@gmail.com>
4824         * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
4825         UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
4826         operate on the top of stack.
4827         [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
4828         register handling of instructions that output to the second
4829         stack slot.
4830         [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
4831         (move_for_stack_reg): Special-case check for dead destination
4832         stack slot for constant load of 1.0 inside UNSPEC_TAN.
4834         * config/i386/i386.md (UNSPEC_TAN): New constant.
4835         (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
4836         (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
4837         to correctly model move of constant 1.0 to top stack slot.
4838         (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
4839         (unnamed peephole2 pattern): Remove corresponding peephole2
4840         pattern that optimizes tan insn and loading of constant 1.0.
4841         (tanxf2): Use fptanxf4_i387.
4842         (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
4843         patterns using X87MODEF12 mode macro.  Use fptan_extend<mode>xf4_i387
4844         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
4845         disable patterns for SSE math.
4846         (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
4847         (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
4849 2007-01-18  Dirk Mueller  <dmueller@suse.de>
4850             Richard Guenther <rguenther@suse.de>
4852         PR diagnostic/8268
4853         * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
4854         * common.opt (Warray-bounds): Add new warning option.
4855         * c-opts.c (c_common_handle_option): Define -Warray-bounds
4856         if -Wall is given.
4857         * Makefile.in: make tree-vrp.o depend on toplev.h
4858         * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
4859         is enabled.
4860         (check_array_refs, check_array_bounds, check_array_ref): New.
4862 2007-01-18  Jan Hubicka  <jh@suse.cz>
4864         * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
4865         (execute_ssa_ccp): Return flags conditionally.
4866         * tree-ssa-propagate.c (substitue_and_fold): Return if something was
4867         changed.
4868         * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
4870 2007-01-18  Steven Bosscher  <steven@gcc.gnu.org>
4872         * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
4873         the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
4875         * Makefile.c (GTFILES): Add cfglayout.h.
4876         * gengtype.c (open_base_files): Likewise.
4877         * cfglayout.c (cfg_layout_function_footer,
4878         cfg_layout_function_header) Reindent to make gengtype happy.
4879         * cfglayout.h (cfg_layout_function_footer,
4880         cfg_layout_function_header): Add GTY(()) marker.
4882         * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
4884 2007-01-18  Ben Elliston  <bje@au.ibm.com>
4886         * genautomata.c (write_automata): Include xstrerror output in the
4887         error message if writing the DFA description file fails.
4889 2007-01-17  H.J. Lu  <hongjiu.lu@intel.com>
4891         * config/mips/mips-protos.h (mips_output_external): Make it
4892         return void.
4893         * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
4894         * config/mips/mips.c (irix_output_external_libcall): Likewise.
4895         (extern_list): Likewise.
4896         (extern_head): Likewise.
4897         (TARGET_ASM_FILE_END): Likewise.
4898         (mips_file_end): Likewise.
4899         (mips_output_external): Rewritten.
4901 2007-01-18  Ben Elliston  <bje@au.ibm.com>
4903         * genpreds.c (write_insn_preds_c): Only write out the function
4904         body for regclass_for_constraint if we have register constraints.
4906 2007-01-17  Tom Tromey  <tromey@redhat.com>
4908         * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
4909         * doc/install.texi (Testing): Use sourceware.org.
4910         (Binaries): Likewise.
4911         (Specific): Likewise.
4912         * doc/contrib.texi (Contributors): Use sourceware.org.
4914 2007-01-17  Anatoly Sokolov <aesok@post.ru>
4916         * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
4917         (AVR_ENHANCED): Rename to ...
4918         (AVR_HAVE_MUL): ... new.
4919         (avr_enhanced_p): Rename to ...
4920         (avr_have_mul_p): ... new.
4921         (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of
4922         'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
4923         * config/avr/avr.c (avr_enhanced_p): Rename to ...
4924         (avr_have_mul_p): ... new.
4925         (base_arch_s): Rename 'enhanced' to 'have_mul'.
4926         (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
4927         'avr_enhanced_p' and 'enhanced'.
4928         (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use
4929         AVR_HAVE_MUL instead of AVR_ENHANCED.
4930         * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
4931         (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3,
4932         *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL
4933         instead of AVR_ENHANCED.
4934         (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
4935         * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
4936         (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
4938 2007-01-17  Ian Lance Taylor  <iant@google.com>
4940         * vec.h (VEC_reserve_exact): Define.
4941         (vec_gc_p_reserve_exact): Declare.
4942         (vec_gc_o_reserve_exact): Declare.
4943         (vec_heap_p_reserve_exact): Declare.
4944         (vec_heap_o_reserve_exact): Declare.
4945         (VEC_OP (T,A,reserve_exact)): New static inline function, three
4946         versions.
4947         (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
4948         negative parameter.
4949         (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
4950         (VEC_OP (T,A,copy)) [all versions]: Likewise.
4951         (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
4952         * vec.c (calculate_allocation): Add exact parameter.  Change all
4953         callers.
4954         (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
4955         (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
4956         (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
4957         (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
4958         (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
4959         (vec_heap_p_reserve_exact): New function.
4960         (vec_heap_o_reserve_exact): New function.
4962 2007-01-17  Jan Hubicka  <jh@suse.cz>
4964         * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
4966 2007-01-17  Eric Christopher  <echristo@apple.com>
4968         * config.gcc: Support core2 processor.
4970 2007-01-16  Jan Hubicka  <jh@suse.cz>
4972         * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
4973         the names, just unlink the chain so we don't crash on dangling pointers
4974         to dead SSA names.
4976 2007-01-16  Jan Hubicka  <jh@suse.cz>
4978         * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
4979         * tree-pass.h: Reorder to make IPA passes appear toegher.
4980         (pass_early_inline, pass_inline_parameters, pass_apply_inline): Declare.
4981         * cgraphunit.c (cgraph_finalize_function): Do not compute inling
4982         parameters, do not call early inliner.
4983         * ipa-inline.c: Update comments.  Include tree-flow.h
4984         (cgraph_decide_inlining): Do not compute inlining parameters.
4985         (cgraph_decide_inlining_incrementally): Return TODOs; assume to
4986         be called with function context set up.
4987         (pass_ipa_inline): Remove unreachable functions before pass.
4988         (cgraph_early_inlining): Simplify assuming to be called from the
4989         PM as local pass.
4990         (pass_early_inline): New pass.
4991         (cgraph_gate_ipa_early_inlining): New gate.
4992         (pass_ipa_early_inline): Turn into simple wrapper.
4993         (compute_inline_parameters): New function.
4994         (gate_inline_passes): New gate.
4995         (pass_inline_parameters): New pass.
4996         (apply_inline): Move here from tree-optimize.c
4997         (pass_apply_inline): New pass.
4998         * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
4999         transforming.
5000         * tree-inline.c (optimize_inline_calls): Return TODOs rather than
5001         doing them by hand.
5002         (tree_function_versioning): Do not allocate dummy struct function.
5003         * tree-inline.h (optimize_inline_calls): Update prototype.
5004         * tree-optimize.c (execute_fixup_cfg): Export.
5005         (pass_fixup_cfg): Remove
5006         (tree_rest_of_compilation): Do not apply inlines.
5007         * tree-flow.h (execute_fixup_cfg): Declare.
5008         * Makefile.in (gt-passes.c): New.
5009         * passes.c: Include gt-passes.h
5010         (init_optimization_passes): New passes.
5011         (nnodes, order): New static vars.
5012         (do_per_function_toporder): New function.
5013         (execute_one_pass): Dump current pass here.
5014         (execute_ipa_pass_list): Don't dump current pass here.
5016 2007-01-16  Janis Johnson  <janis187@us.ibm.com>
5018         * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
5019         (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
5021 2007-01-16  David Edelsohn  <edelsohn@gnu.org>
5023         * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
5024         (strong_alias): Define.
5025         (__gcc_qmul): Provide non-FMA for soft-float.
5026         (__gcc_qdiv): Same.
5027         (__gcc_qneg): New.
5028         (__gcc_qeq): New.
5029         (__gcc_qle): New.
5030         (__gcc_qge): New.
5031         (__gcc_qunord): New.
5032         (__gcc_stoq): New.
5033         (__gcc_dtoq): New.
5034         (__gcc_qtos): New.
5035         (__gcc_qtod): New.
5036         (__gcc_qtoi): New.
5037         (__gcc_qtou): New.
5038         (__gcc_itoq): New.
5039         (__gcc_utoq): New.
5040         (fmsub): New.
5041         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
5042         soft-float functions.
5043         * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
5044         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
5045         about long double soft float.
5047 2007-01-16  Dorit Nuzman  <dorit@il.ibm.com>
5048             Tehila Meyzels  <tehila@il.ibm.com>
5050         * tree-vectorizer.h (is_pattern_stmt_p): New.
5051         * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
5052         formatting (tabs instead of spaces). Cleanup and clarify setting
5053         of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
5054         * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
5055         (vectorizable_type_demotion): Check that types are integral.
5056         (vectorizable_type_promotion): Likewise.
5057         (vectorizable_store): Fix typo.  Eliminate new-line at end of
5058         comments.
5060 2007-01-16  Jan Hubicka  <jh@suse.cz>
5062         * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
5063         cgraph edges too.
5065 2007-01-15  Eric Christopher  <echristo@apple.com>
5067         * ifcvt.c: Include vec.h, vecprim.h.
5068         (check_cond_move_block): New argument regs.
5069         Reorganize. Add registers used to regs.
5070         (cond_move_process_if_block): Use regs set above as
5071         loop bounds.
5073 2007-01-15  Eric Christopher  <echristo@apple.com>
5075         * config/darwin.h: Update copyright.
5076         (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
5077         (LINK_COMMAND_SPEC): Add -u.
5078         (LINK_SPEC): Fix umbrella for above.
5080 2007-01-15  Joseph S. Myers  <joseph@codesourcery.com>
5082         * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
5083         glibc CVS.
5085 2007-01-15  Tom Tromey  <tromey@redhat.com>
5087         * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
5088         * doc/install.texi (Testing): Don't mention jacks.
5089         (Configuration): Document --enable-java-maintainer-mode.  Move
5090         --with-java-home to libgcj-specific section.  Document
5091         --with-ecj-jar.
5092         (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
5094 2007-01-15  Jan Hubicka  <jh@suse.cz>
5096         * tree-ssa-dce.c (DCE_TODOs): New.
5097         (propagate_necessity): Return if something changed.
5098         (eliminate_unnecessary_stmts): Likewise.
5099         (perform_tree_ssa_dce): Return TODO flags when needed.
5100         (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
5102 2007-01-15  Uros Bizjak  <ubizjak@gmail.com>
5104         * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
5105         (fyl2x_extend<mode>xf3_i387): New insn pattern.
5106         (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
5107         patterns using X87MODEF12 mode macro.  Extend operand 1
5108         to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
5109         (log10<mode>2): Ditto.
5110         (log2<mode>2): Ditto.
5111         (log1p<mode>2): Ditto.
5112         (logb<mode>2): Ditto.
5113         (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
5114         (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
5115         (*fxtractxf3_i387): Rename from *fxtractxf3.
5116         (fxtract_extend<mode>xf3_i387): New insn pattern.
5117         (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
5118         * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
5119         and gen_fyl2xxf3_i387().
5121 2007-01-14  Zdenek Dvorak <dvorakz@suse.cz>
5123         * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
5124         * cfgloopmanip.c (fix_loop_placement): Made static.  Use
5125         get_loop_exit_edges.  Changed return type to bool.
5126         * cfgloop.h (fix_loop_placement): Declaration removed.
5128 2007-01-14  Dorit Nuzman  <dorit@il.ibm.com>
5130         * param.h (MIN_VECT_LOOP_BOUND): New.
5131         * params.def (MIN_VECT_LOOP_BOUND): New.
5132         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
5133         argument - minimum threshold for number of iterations.
5134         * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
5135         argument to declaration.
5136         * tree-vect-analyze.c (vect_analyze_operations): Check value of
5137         MIN_VECT_LOOP_BOUND.
5138         * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
5139         slpeel_tree_peel_loop_to_edge with additional argument.
5140         (vect_do_peeling_for_alignment): Likewise.
5141         * doc/invoke.texi (min-vect-loop-bound): Document new param option.
5143 2007-01-14  Uros Bizjak  <ubizjak@gmail.com>
5145         PR target/30413
5146         * config/i386/i386.c (print_operand) ['z']: Output 'b' for
5147         operands of size 1.
5149 2007-01-14  Jan Hubicka  <jh@suse.cz>
5151         * tree-dfa.c (remove_referenced_var): New function.
5152         * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
5153         prune referenced vars list too.
5154         * tree-flow.h (remove_referenced_var): Declare.
5156 2007-01-14  Jan Hubicka  <jh@suse.cz>
5158         * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
5159         separately.
5160         (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
5161         (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
5162         * except.h (verify_eh_throw_table_statements): Kill prototype.
5163         * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
5164         into call exrepssions.
5165         * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
5166         eh trhow verifier.
5167         * tree-cfg.c: Include pointer-set.h.
5168         (verify_node_sharing): Work on pointer set.
5169         (verify_eh_throw_stmt_node): New.
5170         (verify_stmts): Use pointers sets, verify throw_stmt.
5172 2007-01-13  Zdenek Dvorak <dvorakz@suse.cz>
5174         * ipa-reference.c (analyze_function): Consider also addresses taken
5175         in phi nodes.
5177 2007-01-12  Roger Sayle  <roger@eyesopen.com>
5179         * c-typeck.c (null_pointer_constant_p): Replace use of
5180         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
5181         (build_c_cast): Likewise.
5183 2007-01-12  Roger Sayle  <roger@eyesopen.com>
5185         * tree.h (force_fit_type_double): Remove unused final argument.
5186         * c-common.c (constant_expression_warning): Replace use of
5187         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
5188         (convert_and_check): Likewise.
5189         (shorten_compare): Update call to force_fit_type_double.
5190         (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
5191         * convert.c (convert_to_pointer): Update call to
5192         force_fit_type_double.
5193         * fold-const.c (force_fit_type_double): Remove overflowed_const
5194         argument.
5195         (int_const_binop, fold_convert_const_int_from_int,
5196         fold_convert_const_int_from_real, fold_div_compare,
5197         fold_sign_changed_comparison, fold_unary, fold_negate_const,
5198         fold_abs_const, fold_not_const): Remove the final argument from
5199         calls to force_fit_type_double.
5201 2007-01-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5203         * configure.ac: Set insn to "nop" for spu-*-* also.
5204         * configure: Regenerate.
5206 2007-01-12  Olga Golovanevsky  <olga@il.ibm.com>
5208         * builtins.def : Add BUILT_IN_FREE.
5210 2007-01-12  Jan Hubicka  <jh@suse.cz>
5212         PR tree-optimization/30443
5213         * tree-inline.c (tree_function_versioning): Do not optimize when
5214         cloning for inlining.
5216 2007-01-12  Zdenek Dvorak <dvorakz@suse.cz>
5218         * doc/loop.texi: Document recording of loop exits.
5219         * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
5220         (update_single_exits_after_duplication,
5221         update_single_exit_for_duplicated_loop,
5222         update_single_exit_for_duplicated_loops): Removed.
5223         (duplicate_loop_to_header_edge): Do not call
5224         update_single_exits_after_duplication and
5225         update_single_exit_for_duplicated_loops.
5226         (loop_version): Do not update single_exit information.
5227         (fix_loop_structure): Use record_loop_exits instead of
5228         mark_single_exit_loops.
5229         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
5230         the lists of loop exits.
5231         * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
5232         split_edge, merge_blocks): Update the lists of loop exits.
5233         * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
5234         loop_optimizer_init.
5235         * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
5236         of mark_single_exit_loops.
5237         (loop_optimizer_finalize): Call release_recorded_exits.
5238         * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
5239         LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
5240         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
5241         update single exit information.
5242         * lambda-code.c (perfect_nestify): Ditto.
5243         * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
5244         (mark_single_exit_loops): Removed.
5245         (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
5246         get_exit_descriptions, rescan_loop_exit, record_loop_exits,
5247         dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
5248         functions.
5249         (get_loop_exit_edges, single_exit): Use recorded exit lists.
5250         (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
5251         (verify_loop_structure): Verify consistency of the exit lists.
5252         (flow_loops_find): Use alloc_loop.  Initialize exits hash.
5253         (set_single_exit): Removed.
5254         * cfgloop.h (struct loop_exit): New function.
5255         (struct loop): single_exit_ field replaced by exits field.
5256         (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
5257         (struct loops): Added exits hash.
5258         (mark_single_exit_loops, set_single_exit): Declaration removed.
5259         (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
5261 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
5263         * doc/invoke.texi: Avoid use of @headitem.
5265 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
5267         * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
5269 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
5271         * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
5272         list of targets.
5274 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
5275             Richard Sandiford  <richard@codesourcery.com>
5277         * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
5278         * config/m68k/m68k.opt: Resort options.
5279         (mbitfield, mrtd, mshort): Remove RejectNegative properties.
5281 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
5282             Richard Sandiford  <richard@codesourcery.com>
5284         * doc/invoke.texi: Document the macros that are defined by
5285         m68k's -mtune and -mhard-float options.
5286         * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
5287         (m68k_cpp_cpu_family): Likewise.
5288         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
5289         of __ucfv*__ macros.  Define __mcffpu__ if generating code for
5290         ColdFire FPUs.  Define __mcf_cpu_* and __mcf_family_* macros.
5291         * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
5292         (m68k_cpp_cpu_family): Likewise.
5294 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
5296         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
5297         macros besides mc68000 as tuning macros.  Use a switch statement
5298         to set them and mcpu32.
5300 2007-01-12  Julian Brown  <julian@codesourcery.com>
5302         * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
5303         (TARGET_68040_ONLY): Rename to...
5304         (TARGET_68040): ...this.
5305         * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
5306         * config/m68k/m68k.md: Likewise.
5308 2007-01-12  Julian Brown  <julian@codesourcery.com>
5309             Nathan Sidwell  <nathan@codesourcery.com>
5310             Richard Sandiford  <richard@codesourcery.com>
5312         * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
5313         the -mcpu= argument associated with the --with-cpu setting.
5314         Define M68K_DEFAULT_TUNE to the default -mtune= option,
5315         if different from the one implied by the -mcpu setting.
5316         Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
5317         using mcpu=FOO as the default CPU option.  Set target_cpu_default2.
5318         * doc/invoke.texi: Mention ColdFire in the introduction to the
5319         m68k options.  Document the new -march, -mcpu, -mtune, -mdiv,
5320         -mno-div and -mhard-float options.  Make -m68881 a synonym for
5321         -mhard-float.  Document the previously-undocumented -m5206e,
5322         -m528x, -m5307 and -m5407 options.  Tweak the existing option
5323         documentation for consistency.
5324         * doc/install.texi: Mention new --with-cpu arguments.
5325         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
5326         default CPU if neither -mcpu nor -march are specified.
5327         (ASM_CPU_SPEC): Pass down -mcpu and -march options.
5328         (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
5329         TARGET_ISA*.  Set the legacy __mcf*__ cpu macros in the same way,
5330         using m68k_tune to decide between families that implement the
5331         same ISA.  Use m68k_tune to set __mcfv4e__.
5332         (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
5333         (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
5334         (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
5335         (FL_ISA_C, FL_ISA_MMU): New macros.
5336         (MASK_COLDFIRE): Delete.
5337         (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
5338         (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
5339         (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
5340         (TARGET_HARD_FLOAT): Do not define here.
5341         (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
5342         (TUNE_68000): New macro.
5343         (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
5344         (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
5345         (TUNE_CFV2): Redefine in terms of m68k_tune.
5346         (uarch_type, target_device, fpu_type): New enums.
5347         (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
5348         * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
5349         (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
5350         (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
5351         (FL_FOR_isa_c): New macros.
5352         (m68k_isa): New enum.
5353         (m68k_target_selection): New structure.
5354         (all_devices, all_isas, all_microarchs): New tables.
5355         (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
5356         (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
5357         (MASK_ALL_CPU_BITS): Delete.
5358         (m68k_find_selection): New function.
5359         (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
5360         Map the legacy target options to a combination of the new ones.
5361         (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
5362         m68k_cpu_flags.  Handle M68K_DEFAULT_TUNE.  Use m68k_cpu_flags
5363         to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
5364         settings.
5365         * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
5366         (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
5367         properties.
5368         (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
5369         (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
5370         * config/m68k/m68k-devices.def: New file.
5372 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
5373             Nathan Sidwell  <nathan@codesourcery.com>
5375         * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
5376         (SUBTARGET_EXTRA_SPECS): New macros.
5377         * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
5378         use %(asm_cpu_spec) instead.
5379         * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
5380         * config/m68k/openbsd.h (ASM_SPEC): Likewise.
5381         * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
5382         (EXTRA_SPECS): Rename to...
5383         (SUBTARGET_EXTRA_SPECS): ...this.
5385 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
5386             Richard Sandiford  <richard@codesourcery.com>
5387             Julian Brown  <julian@codesourcery.com>
5389         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
5390         (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
5391         to the configuration's default CPU.
5392         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
5393         Remove default masks.
5394         (m680[012]0-*-*): Set the default with_cpu to the first part of
5395         the target name.
5396         (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
5397         (m68k*-*-linux): Extend the --with-cpu handling to...
5398         (m680[012]0-*-*, m68k*-*-*): ...these configurations.  Allow m68000
5399         and m68010.  Don't set target_cpu_default2.
5400         * doc/install.texi: Document --with-cpu for m68k.
5401         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
5402         * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
5403         (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
5404         (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
5405         (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
5406         (ASM_SPEC): Remove use of %(asm_cpu_default).
5407         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
5408         * config/m68k/linux.h (TARGET_DEFAULT): Delete.
5409         (CPP_SPEC): Merge definitions.  Do not handle __HAVE_68881__ here.
5410         * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
5411         __HAVE_FPU__ if TARGET_HARD_FLOAT.
5412         (TARGET_DEFAULT): Delete.
5413         (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
5414         cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
5415         (CPP_CPU_SPEC): Delete.
5416         (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
5417         the appropriate string.
5418         (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
5419         (CPP_SPEC): Define to NETBSD_CPP_SPEC.
5420         (ASM_SPEC): Don't use %(asm_default_spec).
5421         * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
5422         TARGET_DEFAULT and add MASK_68881.
5423         * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
5425 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
5427         * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
5428         (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
5429         MASK_68010 alongside MASK_68020.
5430         * doc/invoke.texi: Document -m68010.
5431         * config/m68k/m68k.opt (m68010): New.
5432         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
5433         if TUNE_68010.
5434         (TUNE_68010): New macro.
5435         * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
5436         (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
5437         (M68K_CPU_m68332): Add MASK_68010.
5438         * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
5439         fallback definition.
5440         * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
5441         defines.
5442         * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
5443         (m68k_handle_option): Handle OPT_m68010.  Add MASK_68010
5444         to all entries that use MASK_68020.
5445         (output_move_simode_const, output_move_himode, output_move_qimode)
5446         (output_move_stricthi, output_move_strictqi): Use TARGET_68010
5447         instead of TARGET_68020 to select clr behavior.  Remove comment
5448         about there being no TARGET_68010.
5449         * config/m68k/m68k.md: Likewise throughout.
5451 2007-01-12  Julian Brown  <julian@codesourcery.com>
5453         * config/m68k/m68k.h (TARGET_ISAB): New macro.
5454         * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
5455         * config/m68k/m68k.md: Likewise.
5457 2007-01-12  Julian Brown  <julian@codesourcery.com>
5459         * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
5460         TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
5462 2007-01-12  Julian Brown  <julian@codesourcery.com>
5464         * config/m68k/m68k.h (TUNE_68040_60): New macro.
5465         * config/m68k/m68k.c (standard_68881_constant_p): Use it.
5466         * config/m68k/m68k.md: Likewise.
5468 2007-01-12  Julian Brown  <julian@codesourcery.com>
5469             Richard Sandiford  <richard@codesourcery.com>
5471         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
5472         instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
5473         TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
5474         TARGET_CPU32.
5475         (TARGET_CPU32): Rename to...
5476         (TUNE_CPU32): ...this.
5477         (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
5478         (TUNE_CFV2): New macros.
5479         * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
5480         remove conditions that are implied by TARGET_68020.
5481         * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
5482         instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
5483         (m68k_output_function_epilogue): Likewise.
5484         (m68k_rtx_costs): Likewise.  Use TUNE_68060 instead of TARGET_68060
5485         and TUNE_CFV2 instead of TARGET_5200.  Use TUNE_68000_10 instead of
5486         "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
5487         non-68000 timings.  Refactor multiplication and division costs.
5488         (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
5489         TUNE_CPU32 instead of TARGET_CPU32.
5490         (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
5491         and TUNE_68060 instead of TARGET_68060.
5492         * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
5493         TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
5494         TARGET_CPU32.
5495         (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
5496         && !TARGET_COLDFIRE" to choose between moveq and clr.
5497         Likewise in the unnamed movsf pattern.
5498         (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
5499         "!TARGET_68020 && !TARGET_COLDFIRE".  Likewise the unnamed
5500         ashiftrt pattern.
5502 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
5504         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
5505         of tabbing before backslashes.
5507 2007-01-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5509         * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
5510         * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
5511         (ASM_OUTPUT_INTERNAL_LABEL): Define.
5513 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
5515         * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
5516         find_interesting_uses_cond.
5517         (find_interesting_uses_cond): Use extract_cond_operands.
5518         (rewrite_use_compare): Use extract_cond_operands and
5519         force_gimple_operand_bsi.  Do not call update_stmt.
5520         (determine_use_iv_cost_condition): Use extract_cond_operands.
5521         Return cheaper of using original bound and changing the exit bound.
5523 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
5525         PR tree-optimization/29516
5526         * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
5527         most_expensive_mult_to_index, addr_to_parts,
5528         create_mem_ref, maybe_fold_tmr): Make the type of
5529         fields of TARGET_MEM_REF sizetype.
5530         (move_fixed_address_to_symbol, move_pointer_to_base):
5531         New functions.
5532         * tree.def (TARGET_MEM_REF): Add comment on types of
5533         the operands.
5535 2007-01-11  Joseph Myers  <joseph@codesourcery.com>
5537         * c-common.c (vector_types_convertible_p): Treat opaque types as
5538         always convertible if they have the same size, but not otherwise.
5540 2007-01-11  Steven Bosscher  <steven@gcc.gnu.org>
5542         * ifcvt.c (struct noce_if_info): Add comments to the fields.
5543         Remove the b_unconditional field.
5544         (noce_try_sign_mask): Do not look at b_unconditional.
5545         (noce_process_if_block): Do not use merge_if_blocks.  Update
5546         the CFG here.  Do not set b_unconditional.
5547         (cond_move_process_if_block): Likewise.
5548         (find_cond_trap): Likewise.
5549         (check_cond_move_block): Require simple jump insns at the end
5550         of the basic block.
5552 2007-01-11  Jan Hubicka  <jh@suse.cz>
5554         PR tree-optimization/1046
5555         * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
5556         when alias info is not ready.
5557         (pass_tail_recursion): Do not require aliasing.
5558         * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
5559         * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
5560         * tree-ssa-copy.c (pass_copy_prop): Likewise.
5561         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
5562         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
5563         * passes.c (init_optimization_passes): Execute rename_ssa_copies,
5564         ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
5565         before inlining.
5566         * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
5567         When aliasing is not build, mark statement as volatile.
5569 2007-01-11  Tom Tromey  <tromey@redhat.com>
5571         PR preprocessor/15185, PR preprocessor/20989:
5572         * doc/cppopts.texi <-MT>: Update description of algorithm for
5573         computing default target.
5574         <-M, -MD>: Reword "basename" text.
5576 2007-01-11  Roger Sayle  <roger@eyesopen.com>
5578         * builtins.c (expand_builtin_pow, expand_builtin_powi,
5579         fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
5580         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
5581         fold_builtin_int_int_roundingfn, fold_builtin_bitop,
5582         fold_builtin_bswap, real_constp, fold_builtin_pow,
5583         fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
5584         do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
5585         uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
5586         * convert.c (convert_to_pointer): Likewise.
5587         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
5588         * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
5589         const_binop, fold_convert_const_int_from_int,
5590         fold_convert_const_int_from_real,
5591         fold_convert_const_real_from_real, sign_bit_p,
5592         optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
5593         fold_sign_changed_comparison, fold_unary, fold_comparison,
5594         fold_binary, multiple_of_p, tree_Expr_non_zero_p,
5595         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
5596         * print-tree.c (print_node_brief, print_node): Likewise.
5597         * stor-layout.c (place_field, layout_type): Likewise.
5598         * tree-chrec.c (keep_cast): Likewise.
5599         * tree.c (build_vector, build_real, build_real_from_int_cst,
5600         build_complex): Likewise.
5602 2007-01-11  Roger Sayle  <roger@eyesopen.com>
5604         * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete.  For the time being,
5605         treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
5607 2007-01-11  Paolo Bonzini  <bonzini@gnu.org>
5609         * configure.ac (strict1_warn): Rename to strict_warn.
5610         (WERROR, --enable-werror, symlink hacks, stage1_cflags,
5611         cc_set_by_configure, quoted_cc_set_by_configure,
5612         stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
5613         all_boot_languages, all_stagestuff): Remove.
5614         (target_list): Remove bootstrap targets.
5615         * Makefile.in (quickstrap): Unconditionally make a synonym of all.
5616         (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
5617         REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
5618         SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
5619         VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
5620         STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
5621         stage1_copy, stage2_build, stage2_copy, stageprofile_build,
5622         stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
5623         stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
5624         bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
5625         bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
5626         unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
5627         restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
5628         cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
5629         *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
5630         stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
5631         stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
5632         risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
5633         (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
5634         (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
5635         (mostlyclean): Adjust.
5636         (clean, distclean): Don't mention bootstrap stuff.
5637         * configure: Regenerate.
5638         * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
5639         java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
5640         treelang/config-lang.in (stagestuff): Remove.
5641         * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
5642         stageprofile, stagefeedback, stagestuff): Remove mention.
5644 2007-01-11  Nick Clifton  <nickc@redhat.com>
5646         * config/mcore/predicates.md (mcore_general_movesrc_operand):
5647         Accept CONSTs.
5648         (mcore_general_movdst_operand): Do not accept CONST_INTs.
5649         (mcore_arith_K_S_operand): Run the test for the S constraint not
5650         the test for the M constraint.
5651         (mcore_addsub_operand): Do not accept integer values that are
5652         larger than 32 bits.
5653         * config/mcore/mcore.md: Remove unused constraints from split.
5654         (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
5655         (addsi3): Likewise.
5656         (allocate_stack): Likewise.
5657         * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
5658         operands to 32 bits.
5659         (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
5660         INTVAL.
5661         (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
5662         mcore_const_ok_for_inline, mcore_const_trick_uses_not,
5663         try_constant_tricks, mcore_num_ones, mcore_num_zeros,
5664         mcore_output_bclri, mcore_output_andn, output_inline_const,
5665         mcore_output_move, mcore_output_movedouble): Likewise.
5666         (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
5667         (output_inline_const): Likewise.
5668         (output_inline_const): Fix format strings used in sprintf
5669         statements.
5670         * config/mcore/mcore-protos.h: Update prototypes for changed
5671         functions in mcore.c.
5672         * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
5673         HOST_WIDE_INT and not int.
5674         (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
5675         CONST_OK_FOR_N): Likewise.
5676         (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
5677         (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
5678         an INTVAL.
5680 2007-01-10  Jan Hubicka  <jh@suse.cz>
5682         * tree-vrp.c (remove_range_assertions): Release defs.
5683         * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
5684         * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
5686 2007-01-10  Paul Brook  <paul@codesourcery.com>
5688         * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
5689         * config/arm/arm.md (mulsi3subsi): New insn.
5691 2007-01-10  Zdenek Dvorak <dvorakz@suse.cz>
5693         * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
5694         (tree_transform_and_unroll_loop): New.
5695         * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
5696         Declare.
5698 2007-01-10  Robert Kennedy <jimbob@google.com>
5700         * fold-const.c (fold_comparison): Fold comparisons like (x *
5701         1000 < 0) to (x < 0).
5703 2007-01-10  Ian Lance Taylor  <iant@google.com>
5705         * tree-pretty-print.c (dump_generic_node): Print parentheses when
5706         operands have the same priority.
5708 2007-01-10  Tom Tromey  <tromey@redhat.com>
5710         * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
5711         (fold_binary): Likewise.
5712         * langhooks.c (lhd_can_use_bit_fields_p): Removed.
5713         * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
5714         (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
5715         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
5716         * langhooks.h (struct lang_hooks): Removed field
5717         'can_use_bit_fields_p'.
5719 2007-01-10  Ralf Corsépius <ralf.corsepius@rtems.org>
5721         * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
5723 2007-01-10  Razya Ladelsky  <razya@il.ibm.com>
5725         * function.c (get_last_funcdef_no): New function.
5726         * function.h (get_last_funcdef_no): Declare.
5727         * tree-inline.c (initialize_cfun): Add initialization.
5728         (tree_function_versioning): Cleanup.
5730 2007-01-10  Jan Hubicka  <jh@suse.cz>
5732         * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
5733         PHIs.
5735 2007-01-10  Sa Liu  <saliu@de.ibm.com>
5736             Ben Elliston  <bje@au.ibm.com>
5738         * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
5739         for SAVE_NONLOCAL and Pmode for any other save level.
5740         * spu-protos.h (spu_restore_stack_block): Declare.
5741         * spu.md (save_stack_block): Remove.
5742         (restore_stack_block): Call spu_restore_stack_block.
5743         * spu.c (spu_restore_stack_block): New function.
5744         (spu_expand_epilogue): Remove old comment.
5746 2007-01-09  Zdenek Dvorak <dvorakz@suse.cz>
5748         PR tree-optimization/30322
5749         * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
5750         (cand_value_at): Return the value as aff_tree.
5751         (may_eliminate_iv): Convert the bound from aff_tree to tree.
5752         * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
5753         aff_combination_mult): New functions.
5754         (aff_combination_add): Use aff_combination_add_cst.
5755         (aff_combination_convert): Allow conversions to a wider type.
5756         (tree_to_aff_combination): Handle BIT_NOT_EXPR.
5757         * tree-affine.h (aff_combination_mult): Declare.
5759 2007-01-09  Carlos O'Donell  <carlos@codesourcery.com>
5761         * doc/tm.texi: Update documentation to reflect reality of exec
5762         and start file search behaviours. Update copyright year.
5763         * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
5764         header file directories.
5766 2007-01-09  Uros Bizjak  <ubizjak@gmail.com>
5768         * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
5769         (*cosxf2): Rename to cosxf2_i387.
5770         (*sindf2, *sinsf2): Extend operand 1 to XFmode.  Macroize patterns
5771         using X87MODEF12 mode macro. Rename patterns to
5772         *sin_extend<mode>xf2_i387.  Use SSE_FLOAT_MODE_P to disable patterns
5773         for SSE math.
5774         (*cosdf2, *cossf2): Ditto.
5775         (sincosdf3, sincossf3): Ditto.  Rewrite corresponding splitters
5776         to match extended input operands.
5777         (sincos<mode>3): New expander.
5778         (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
5779         insn patterns and corresponding splitters.
5781 2007-01-09  Kaz Kojima  <kkojima@gcc.gnu.org>
5783         * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
5784         (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
5786 2007-01-09  Nicolas Pitre  <nico@cam.org>
5788         PR target/30173
5789         * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
5791 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
5793         * target.h (struct gcc_target): New field library_rtti_comdat.
5794         * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
5795         (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
5796         * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
5797         * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
5799 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
5801         * doc/invoke.texi (Optimize Options): Correct description of -O0.
5803 2007-01-08  Richard Guenther  <rguenther@suse.de>
5805         * tree.h (force_fit_type_double): Export.
5806         (force_fit_type): Remove.
5807         * fold-const.c (force_fit_type_double): New function.
5808         (force_fit_type): Remove.
5809         (int_const_binop): Use it.
5810         (fold_convert_const_int_from_int): Likewise.
5811         (fold_convert_const_int_from_real): Likewise.
5812         (fold_div_compare): Likewise.
5813         (fold_sign_changed_comparison): Likewise.
5814         (fold_unary): Likewise.
5815         (fold_negate_const): Likewise.
5816         (fold_abs_const): Likewise.
5817         (fold_not_const): Likewise.
5818         * c-common.c (shorten_compare): Use force_fit_type_double.
5819         * convert.c (convert_to_pointer): Likewise.
5821 2007-01-08  Richard Guenther  <rguenther@suse.de>
5823         * tree.h (build_int_cst_wide_type): Export.
5824         * tree.c (build_int_cst_wide_type): New function.
5825         (build_int_cst_wide): Fix comment.
5826         * builtins.c (fold_builtin_object_size): Use build_int_cst
5827         to build -1 or 0 of the correct type.  Use fit_double_type
5828         to check for overflow.
5829         * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
5830         to build the mask.
5831         (decode_field_reference): Likewise.
5832         (all_ones_mask_p): Likewise.
5833         (native_interpret_int): Use build_int_cst_wide_type.
5834         (fold_binary): Use build_int_cst_type to build an all-ones
5835         value.
5836         * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
5838 2007-01-08  Daniel Jacobowitz  <dan@codesourcery.com>
5840         * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
5842 2007-01-09  Ben Elliston  <bje@au.ibm.com>
5844         * genautomata.c (STATS_OPTION): New option.
5845         (stats_flag): New flag.
5846         (gen_automata_option): Handle it.
5847         (initiate_automaton_gen): Ditto.
5848         (write_automata): Output statistics only if stats_flag is
5849         set. Likewise, output time statistics only if time_flag is set.
5850         * doc/md.texi (Processor pipeline description): Document new flag.
5852 2007-01-08  Richard Guenther  <rguenther@suse.de>
5854         * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
5855         * tree.c (build_int_cst_type): Likewise.
5856         (size_in_bytes): Don't call force_fit_type on the result.
5857         (int_fits_type_p): Use fit_double_type.
5858         * fold-const.c (fit_double_type): New function.
5859         (force_fit_type): Use it.
5860         * tree.h (fit_double_type): Export.
5862 2007-01-08  Jan Hubicka  <jh@suse.cz>
5864         * tree-vectorizer.c (gate_increase_alignment): Fix return type.
5865         * ipa.c (function_and_variable_visibility): Fix return type.
5867 2007-01-08  Richard Guenther  <rguenther@suse.de>
5869         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
5870         of offset to build the index.
5871         * tree-pretty-print.c (dump_generic_node): Don't build negated
5872         const just for printing.
5873         * c-pretty-print.c (pp_c_integer_constant): Likewise.
5874         * builtins.c (fold_builtin_int_roundingfn): Check if result
5875         fits the type by using force_fit_type and comparing the result.
5876         * predict.c (predict_loops): Use compare_tree_int for comparison.
5877         * tree.c (build_int_cst): Fall back to integer_type_node for
5878         NULL_TREE type.
5879         (build_int_cst_wide): Assert type is non-null.
5881 2007-01-08  Roberto Costa  <roberto.costa@st.com>
5883         * tree-vrp.c (extract_range_from_cond_expr): New.
5884         (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
5885         * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
5886         as expressions.
5887         (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
5888         * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
5889         tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
5890         used as expressions.
5891         * tree-object-size.c (cond_expr_object_size): New.
5892         (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
5894 2007-01-08  Jan Hubicka  <jh@suse.cz>
5896         * tree-ssa-forwprop.c (forward_propagate_into_cond,
5897         tree_ssa_forward_propagate_single_use_va): Release defs of propagated
5898         statement.
5900 2007-01-08  Richard Guenther  <rguenther@suse.de>
5902         PR tree-optimization/23603
5903         * tree-vrp.c (set_value_range_to_truthvalue): New function.
5904         (extract_range_from_binary): Fall back to truthvalue instead of
5905         varying for TRUTH_*_EXPR.
5906         (extract_range_from_comparison): Fall back to truthvalue instead of
5907         varying.
5908         (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
5909         if all visited PHI values were constant.
5911 2007-01-08  Jan Hubicka  <jh@suse.cz>
5913         * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
5914         (cgraph_analyze_function): break out from ...
5915         (cgraph_finalize_compilation_unit): ... here.
5916         (cgraph_expand_function): Remove forgoten commented out line.
5917         (cgraph_optimize): Analyze functions.
5919 2007-01-08  Jan Hubicka  <jh@suse.cz>
5921         * tree-pas.h (TODO_remove_function): New flag.
5922         (TODO_update*): Renumber.
5923         (pass_ipa_increase_alignment,
5924         pass_ipa_function_and_variable_visibility): New passes.
5925         * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
5926         (cgraph_function_and_variable_visibility): Move to ipa.c
5927         (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
5928         cgraph_increase_alignment.
5929         * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
5930         (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
5931         calling tree-inline.
5932         (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
5933         (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
5934         * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
5935         (gate_increase_alignment): New function.
5936         (pass_ipa_increase_alignment): New pass.
5937         * ipa.c: Inline tree-pass.h and timevar.h
5938         (function_and_variable_visibility): Move here from cgraphunit.c
5939         * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
5940         * passes.c (init_optimization_passes): Add the two new passes.
5941         (execute_todo): Handle cgraph_remove_functions.
5943 2007-01-08  Nick Clifton  <nickc@redhat.com>
5945         * config/frv/predicates.md (reg_or_0_operand): Accept
5946         CONST_DOUBLEs.
5948 2007-01-08  Ralf Corsépius <ralf.corsepius@rtems.org>
5950         * config/bfin/rtems.h, config/bfin/t-rtems: New.
5951         * config.gcc: Add bfin*-rtems*.
5953 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
5955         * c.opt: Add -flax-vector-conversions.
5956         * c-typeck.c (convert_for_assignment): Pass flag to
5957         vector_types_convertible_p to allow emission of note.
5958         (digest_init): Likewise.
5959         * c-opts.c: Handle -flax-vector-conversions.
5960         * c-common.c (flag_lax_vector_conversions): New.
5961         (vector_types_convertible_p): Unless -flax-vector conversions
5962         has been passed, disallow conversions between vectors with
5963         differing numbers of subparts and/or element types.  If such
5964         a conversion is disallowed, possibly emit a note on the first
5965         occasion only to inform the user of -flax-vector-conversions.
5966         The new last argument specifies this.
5967         * c-common.h (flag_lax_vector_conversions): New.
5968         (vector_types_convertible_p): Add extra argument.
5969         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
5970         char_type_node for V*QI type vectors.
5971         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
5972         Update to satisfy new typechecking rules.
5973         * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
5974         C and C++ variants.
5975         * doc/invoke.texi (C Dialect Options): Document
5976         -flax-vector-conversions.
5978 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
5980         PR tree-optimization/29877
5981         * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
5982         a register variable on the RHS to not be replaceable.
5984 2007-01-08  Chen Liqin  <liqin@sunnorth.com.cn>
5985         * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
5986         * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
5987         const_simm15, const_pow2, const_npow2): Added.
5988         * config/score/misc.md (insv, extv, extzv, movmemsi,
5989         move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
5990         * config/score/score.c (score_address_cost, score_select_cc_mode):
5991         Added.
5992         Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
5993         Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
5994         Update score_print_operand.
5995         * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
5996         Adjust register allocate order and update some macro define.
5997         * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
5998         mdx_block_move_straight, mdx_block_move_loop_head,
5999         mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
6000         mdx_block_move): Added.
6001         (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
6002         mdp_limm): Updated and fix some bug and typo.
6003         * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
6004         (movsf, movdf, doloop_end): Added.
6006 2007-01-08  Kazu Hirata  <kazu@codesourcery.com>
6008         * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
6009         config/arm/thumb2.md: Fix comment typos.
6010         * doc/extend.texi: Fix a typo.
6012 2007-01-07  Eric Christopher  <echristo@apple.com>
6014         * configure.ac: Check for __stack_chk_fail for darwin.
6015         * configure: Regenerate.
6017 2007-01-07  Richard Guenther  <rguenther@suse.de>
6019         * tree-vrp.c (extract_range_from_assert): CSE calls to
6020         compare_values where possible.
6021         (extract_range_from_unary_expr): Likewise.
6023 2007-01-07  Anatoly Sokolov <aesok@post.ru>
6025         * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
6026         * config/avr/avr.c (call_insn_operand): Delete function.
6027         * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
6028         instead of register number. Use predicates.
6029         * config/avr/predicates.md (const0_operand, reg_or_0_operand,
6030         call_insn_operand): Add.
6032 2007-01-06  Jan Hubicka  <jh@suse.cz>
6034         * tree-pass.h (pass_build_cgraph_edges): Declare.
6035         * cgraphunit.c (record_refernece): Move to cgraphbuild.c
6036         (visited_nodes): Remove.
6037         (cgraph_create_edges): Move to cgraphbuild.c; rename to
6038         build_cgrpah_edges; make visited_nodes local.
6039         (cgraph_process_new_functions): DO not call initialize_inline_failed.
6040         (record_references_in_initializer): Move to cgraphbuild.c
6041         (initialize_inline_failed, rebuild_cgraph_edges,
6042         pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
6043         (verify_cgraph_node): Make visited_nodes local.
6044         (cgraph_analyze_function): Do not call cgraph_create_edges and
6045         initialize_inline_failed.
6046         (cgraph_expand_function): Do not call cgraph_lower_function;
6047         assert that function is already lowered.
6048         * Makefile.in (cgraphbuild.o): New.
6049         * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
6050         at the end of lowering passes.
6052 2007-01-06  Steven Bosscher  <steven@gcc.gnu.org>
6054         * ifcvt.c (cond_move_convert_if_block): New function, code
6055         factored out from...
6056         (cond_move_process_if_block): ...here.  Call the new function
6057         on the THEN and ELSE blocks.
6058         (merge_if_block): Do not copy global_live_at_end, merge_blocks
6059         already takes care of this.
6061 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6063         PR c/19978
6064         * tree.h (TREE_OVERFLOW_P): New.
6065         * c-typeck.c (parser_build_unary_op): Warn only if result
6066         overflowed and operands did not.
6067         (parser_build_binary_op): Likewise.
6068         (convert_for_assignment): Remove redundant overflow_warning.
6069         * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
6071 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6073         * c-typeck.c (store_init_value): Split over two lines to follow
6074         the GNU coding style.
6076 2007-01-05  Benjamin Kosnik  <bkoz@redhat.com>
6078         * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
6079         __GXX_EXPERIMENTAL_CXX0X__.
6080         * doc/cpp.texi: Same.
6082 2007-01-05  Richard Guenther  <rguenther@suse.de>
6084         PR middle-end/27826
6085         * tree.c (get_narrower): Do not construct COMPONENT_REFs
6086         with mismatched types.  Instead explicitly build a
6087         conversion NOP_EXPR.
6089 2007-01-05  Ian Lance Taylor  <iant@google.com>
6091         * c-common.c (decl_with_nonnull_addr_p): New function.
6092         (c_common_truthvalue_conversion): Call it.
6093         * c-typeck.c (build_binary_op): Likewise.
6094         * c-common.h (decl_with_nonnull_addr_p): Declare.
6096 2007-01-05  Jakub Jelinek  <jakub@redhat.com>
6098         PR c/30360
6099         * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
6100         denom against 0.0.
6102 2007-01-05  Joel Brobecker  <brobecker@adacore.com>
6104         * doc/install.texi (Final install): Document the fact that
6105         the GNAT runtime should not be stripped.
6107 2007-01-04  Jan Hubicka  <jh@suse.cz>
6109         * tree-inline.c (fold_marked_statements): Update operand caches
6110         and EH after folding
6112 2007-01-04  Ian Lance Taylor  <iant@google.com>
6114         * c-common.c (check_function_nonnull): Whitespace fix.
6116 2007-01-04  Jan Hubicka  <jh@suse.cz>
6118         * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
6119         comitted older version of patch.
6120         (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
6121         function, celanup cfg and collect garbage.
6123 2007-01-04  Mike Stump  <mrs@apple.com>
6125         * Makefile.in (mostlyclean): Don't remove libgcc anymore.
6126         (clean): Likewise.
6128 2007-01-04  Eric Christopher  <echristo@apple.com>
6130         * libgcc2.c (__bswapsi2): Use SItype.
6131         (__bswapdi2): Use DItype.
6132         * libgcc2.h: Update for above.
6134 2007-01-04  Paul Brook  <paul@codesourcery.com>
6136         * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
6137         mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
6138         mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
6139         umulsidi3, umulsidi3adddi, smulsi3_highpart,
6140         umulsi3_highpart): Make conditional on !arm_arch6.
6141         (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
6142         mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
6143         mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
6144         umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
6145         umulsi3_highpart_v6): New insns.
6147 2007-01-04  Roger Sayle  <roger@eyesopen.com>
6149         * fold-const.c (fold_convert): When casting an expression to void,
6150         fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
6151         have a type.  Instead of attempting to build a NOP_EXPR, return
6152         these "special" trees directly.
6154 2007-01-04  Joseph Myers  <joseph@codesourcery.com>
6156         * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
6157         MULT inside MINUS as either argument.  Use rs6000_cost->dmul -
6158         rs6000_cost->fp not 0 as adjustment for outer NEG.
6160 2007-01-04  Jan Hubicka  <jh@suse.cz>
6162         * cgraph.c (cgraph_release_function_body): New function.
6163         (cgraph_remove_node): Use it.
6164         * cgraph.h (cgraph_release_function_body): Declare.
6165         * cgraphunit.c (cgraph_expand_function): Use it.
6166         * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
6167         * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
6168         is initialized and while compilation of other function is running.
6169         * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
6170         statement CFG annotations from here to ...
6171         * tree-cfg.c (delete_tree_cfg_annotations): ... here.
6173 2007-01-04  Zdenek Dvorak <dvorakz@suse.cz>
6175         * cfgloop.h (enum li_flags): Make the constants powers of two.
6177 2007-01-04  Jan Hubicka  <jh@suse.cz>
6179         * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
6180         set.
6181         (fold_marked_statements): New function.
6182         (optimize_inline_calls, tree_function_versioning): Fold new statements.
6183         * tree-inline.h (copy_body_data): Add statements_to_fold.
6185 2007-01-03  Daniel Jacobowitz  <dan@codesourcery.com>
6187         * config.gcc: Mention libgcc/config.host.
6188         * Makefile.in: Update comments mentioning libgcc.
6189         (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
6190         (all.cross, start.encap, rest.encap, rest.cross): Update
6191         dependencies for libgcc move.
6192         (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
6193         (clean-target, clean-target-libgcc): Delete.
6194         (srcdirify, GCC_EXTRA_PARTS): New macros.
6195         (libgcc-support, libgcc.mvars): New rules.
6196         (distclean): Remove mention of mklibgcc.
6197         (install): Don't reference INSTALL_LIBGCC.
6198         (install-common): Don't reference EXTRA_PARTS.
6199         (install-libgcc, install-multilib): Delete rules.
6200         * mklibgcc.in: Delete file.
6201         * doc/configfiles.texi: Don't mention mklibgcc.
6203         * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
6204         * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
6205         * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
6206         * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
6207         (mklibgcc, ldblspecs): Likewise.
6209         * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
6210         (posixpre.def): Use $(T).
6211         (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
6212         (SHLIB_SRC, SHLIB_INSTALL): Delete.
6213         (SHLIB_LINK): Make dummy.
6214         * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
6216         * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
6218         * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
6219         * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
6220         config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
6221         config/rs6000/t-newas, config/sparc/t-elf: Likewise.
6223         * configure.ac (all_outputs): Remove mklibgcc.
6224         * configure: Regenerated.
6226 2007-01-03  Josh Conner  <jconner@apple.com>
6228         PR middle-end/29683
6229         * calls.c (compute_argument_addresses): Set stack and stack_slot
6230         for partial args, too.
6231         (store_one_arg): Use locate.size.constant for the size when
6232         generating a save_area.
6234 2007-01-03  Robert Kennedy <jimbob@google.com>
6236         * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
6237         whose definitions are deleted due to basic block merging.
6239 2007-01-03  Paul Brook  <paul@codesourcery.com>
6241         PR target/16634
6242         * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
6243         functions.
6244         (use_return_insn): Return 0 for Thumb interrupt functions.
6245         (print_multi_reg): Add rfe argument for IRQ returns.
6246         (arm_output_epilogue): Pop interrupt return address directly into PC.
6247         (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
6249 2007-01-03  Paul Brook  <paul@codesourcery.com>
6251         Merge from sourcerygxx-4_1.
6252         * config/arm/thumb2.md: New file.
6253         * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
6254         Thumb-2.
6255         * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
6256         * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
6257         (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
6258         * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
6259         tables.
6260         (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
6261         * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
6262         comptibility.
6263         * config/arm/ieee754-sf.S: Ditto.
6264         * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
6265         (thumb1_base_register_rtx_p): ... to this.
6266         (thumb_index_register_rtx_p): Rename...
6267         (thumb1_index_register_rtx_p): ... to this.
6268         (thumb_output_function_prologue): Rename...
6269         (thumb1_output_function_prologue): ... to this.
6270         (thumb_legitimate_address_p): Rename...
6271         (thumb1_legitimate_address_p): ... to this.
6272         (thumb_rtx_costs): Rename...
6273         (thumb1_rtx_costs): ... to this.
6274         (thumb_compute_save_reg_mask): Rename...
6275         (thumb1_compute_save_reg_mask): ... to this.
6276         (thumb_final_prescan_insn): Rename...
6277         (thumb1_final_prescan_insn): ... to this.
6278         (thumb_expand_epilogue): Rename...
6279         (thumb1_expand_epilogue): ... to this.
6280         (arm_unwind_emit_stm): Rename...
6281         (arm_unwind_emit_sequence): ... to this.
6282         (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
6283         thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
6284         thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
6285         arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
6286         thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
6287         thumb2_output_casesi): New functions.
6288         (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
6289         (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
6290         FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
6291         THUMB2_WORK_REGS): Define.
6292         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
6293         arm_condexec_mask, arm_condexec_masklen)): New variables.
6294         (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
6295         (arm_override_options): Check new CPU capabilities.
6296         Set new architecture flag variables.
6297         (arm_isr_value): Handle v7m interrupt functions.
6298         (user_return_insn): Return 0 for v7m interrupt functions.  Handle
6299         Thumb-2.
6300         (const_ok_for_arm): Handle Thumb-2 constants.
6301         (arm_gen_constant): Ditto.  Use movw when available.
6302         (arm_function_ok_for_sibcall): Return false for v7m interrupt
6303         functions.
6304         (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
6305         (thumb_find_work_register, arm_load_pic_register,
6306         legitimize_tls_address, arm_address_cost, load_multiple_sequence,
6307         emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
6308         print_multi_reg, output_mov_long_double_fpa_from_arm,
6309         output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
6310         output_mov_double_fpa_from_arm, output_move_double,
6311         arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
6312         output_return_instruction, arm_output_function_prologue,
6313         arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
6314         arm_output_mi_thunk, thumb_set_return_address): Ditto.
6315         (arm_expand_prologue): Handle Thumb-2.  Use arm_save_coproc_regs.
6316         (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
6317         (arithmetic_instr, shift_op): Use arm_shift_nmem.
6318         (arm_print_operand): Use arm_print_condition.  Handle '(', ')', '.',
6319         '!' and 'L'.
6320         (arm_final_prescan_insn): Use extract_constrain_insn_cached.
6321         (thumb_expand_prologue): Use thumb_set_frame_pointer.
6322         (arm_file_start): Output directive for unified syntax.
6323         (arm_unwind_emit_set): Handle stack alignment instruction.
6324         * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
6325         Add v6t2, v7, v7a, v7r and v7m.
6326         (RETLDM): Add Thumb-2 code.
6327         (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
6328         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
6329         (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
6330         TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
6331         THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
6332         ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
6333         THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
6334         CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
6335         ADJUST_INSN_LENGTH): Define.
6336         (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
6337         STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
6338         BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
6339         PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
6340         SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
6341         TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
6342         HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
6343         HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
6344         REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
6345         REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
6346         LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
6347         GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
6348         ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
6349         FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
6350         PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
6351         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
6352         * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
6353         cortex-m3.
6354         * config/arm/arm-tune.md: Regenerate.
6355         * config/arm/arm-protos.h: Update prototypes.
6356         * config/arm/vfp.md: Enable patterns for Thumb-2.
6357         (arm_movsi_vfp): Add movw alternative.  Use output_move_vfp.
6358         (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
6359         (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
6360         thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
6361         * config/arm/libunwind.S: Add Thumb-2 code.
6362         * config/arm/constraints.md: Update include Thumb-2.
6363         * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
6364         * config/arm/ieee754-df.S: Ditto.
6365         * config/arm/bpabi.S: Ditto.
6366         * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
6367         * config/arm/predicates.md (low_register_operand,
6368         low_reg_or_int_operand, thumb_16bit_operator): New.
6369         (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
6370         (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
6371         * config/arm/t-arm-elf: Add armv7 multilib.
6372         * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
6373         Include thumb2.md.
6374         (UNSPEC_STACK_ALIGN, ce_count): New.
6375         (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
6376         arm_zero_extendsidi2, arm_zero_extendqidi2): New
6377         insns/expanders.
6378         * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
6379         (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
6380         thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
6381         * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
6382         (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
6383         thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
6384         insns.
6385         * doc/extend.texi: Document ARMv7-M interrupt functions.
6386         * doc/invoke.texi: Document Thumb-2 new cores+architectures.
6388 2007-01-03  Jakub Jelinek  <jakub@redhat.com>
6390         * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
6391         (struct _Unwind_Context): Rename args_size to flags, remove
6392         signal_frame field, add a new args_size field and version field.
6393         (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
6394         _Unwind_IsExtendedContext): New inline functions.
6395         (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
6396         Assume by_value array is only present if _Unwind_IsExtendedContext.
6397         (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
6398         _Unwind_IsSignalFrame.
6399         (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
6400         (uw_update_context_1): Use _Unwind_SetSignalFrame.
6401         (uw_init_context_1): Initialize context->flags to
6402         EXTENDED_CONTEXT_BIT.
6403         * config/rs6000/linux-unwind.h (frob_update_context): Use
6404         _Unwind_SetSignalFrame.
6406 2007-01-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6408         PR middle-end/30353
6409         * gimplify.c (gimplify_modify_expr_complex_part): Move below
6410         tree_to_gimple_tuple.  Call tree_to_gimple_tuple when we need
6411         the value.
6413 2007-01-03  Kazu Hirata  <kazu@codesourcery.com>
6415         * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
6416         REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
6417         RET, AT_SP): Remove.
6418         * config/i386/i386.md (*sse_prologue_save_insn): Use return
6419         instead of RET.
6421         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
6422         * cfgbuild.c (find_basic_blocks): Likewise.
6423         * cfgrtl.c (rtl_create_basic_block): Likewise.
6424         * function.c (temp_slots_at_level): Likewise.
6425         * reg-stack.c (stack_regs_mentioned): Likewise.
6426         * regclass.c (allocate_reg_info): Likewise.
6427         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
6428         set_bb_for_stmt, move_block_to_fn): Likewise.
6429         * tree-complex.c (tree_lower_complex): Likewise.
6430         * vec.h (VEC_safe_grow_cleared): New.
6432         * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
6434 2007-01-03  Zdenek Dvorak <dvorakz@suse.cz>
6436         * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
6437         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
6438         to loop_version.
6439         * cfgloopmanip.c (scale_loop_frequencies): Export.
6440         (loopify): Scale the frequencies by prescribed coefficients.
6441         (set_zero_probability): New function.
6442         (duplicate_loop_to_header_edge): Improve updating of frequencies.
6443         (lv_adjust_loop_entry_edge, loop_version): Set probabilities
6444         and frequencies according to arguments.
6445         * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
6446         correctly.
6447         * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
6448         * modulo-sched.c (sms_schedule): Set probabilities for entering
6449         versioned loop correctly.
6450         * tree-vect-transform.c (vect_transform_loop): Ditto.
6451         * cfgloop.h (loopify, loop_version): Declaration changed.
6452         (scale_loop_frequencies): Declared.
6454 2007-01-02  Jan Hubicka  <jh@suse.cz>
6456         * cgraph.c: Include tree-flow.h
6457         (cgraph_add_new-function): Handle IPA_SSA mode; execute
6458         early_local_passes.
6459         * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
6460         * tree-pass.h (pass_all_early_optimizations): Declare.
6461         * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
6462         early_local_passes.
6463         (cgraph_analyze_function): Do early_local_passes.
6464         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
6465         Do not add referenced vars.
6466         * tree-optimize.c (gate_all_optimizations): Do not execute when not in
6467         SSA form.
6468         (gate_all_early_local_passes): New gate.
6469         (pass_early_local_passes): Use new gate.
6470         (execute_early_local_optimizations): New functions.
6471         (gate_all_early_optimizations): New gate.
6472         (pass_all_early_optimizations): New pass.
6473         (execute_free_datastructures): Free SSA only when initialized.
6474         (gate_init_datastructures): Init only when optimizing.
6475         (tree_lowering_passes): Do early local passes when called late.
6476         * tree-profile.c (do_tree_profiling): Don't profile functions added
6477         late.
6478         (do_early_tree_profiling, pass_early_tree_profile): Kill.
6479         * tree-cfg.c (update_modified_stmts): Do not update when operands are
6480         not active.
6481         * passes.c (init_optimizations_passes): Reorder so we go into SSA
6482         during early_local_passes.
6483         * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
6486 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
6488         * Makefile.in: Update copyright year.
6490 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
6492         * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
6493         in $(lang_checks) and check-consistency targets.
6495 2007-01-02  Jan Hubicka  <jh@suse.cz>
6497         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
6498         Do not add referenced vars.
6499         * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
6500         are not active.
6501         * passes.c (init_optimization_passes): Put mudflap_2 after
6502         free_datastructures.
6504 2007-01-02  Jan Hubicka  <jh@suse.cz>
6506         * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
6507         Set NOTHROW flag on call statements proved to be nothrow.
6508         Update statement of local calls so new pure/const functions are
6509         updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
6510         goto receivers.
6511         (tree_rest_of_compilation): Register hooks and initialize bitmap
6512         early. Do not set after_inlining flag.
6514 2007-01-02  Steve Ellcey  <sje@cup.hp.com>
6516         * sbitmap.c (HOST_BITS_PER_LONG_LONG):  Change to
6517         HOST_BITS_PER_LONGLONG
6519 2007-01-02  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
6521         PR c/19977
6522         * c-typeck.c (store_init_value): Don't emit pedantic overflow
6523         warning for non-static initializers.
6525 2007-01-02  Steven Bosscher  <steven@gcc.gnu.org>
6527         * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
6528         m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
6529         rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
6530         Always use set_unique_reg_note to add REG_EQUAL notes.
6532 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
6534         Revert:
6535         2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
6537         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
6538         * cfgbuild.c (find_basic_blocks): Likewise.
6539         * cfgrtl.c (rtl_create_basic_block): Likewise.
6540         * function.c (temp_slots_at_level): Likewise.
6541         * reg-stack.c (stack_regs_mentioned): Likewise.
6542         * regclass.c (allocate_reg_info): Likewise.
6543         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
6544         set_bb_for_stmt, move_block_to_fn): Likewise.
6545         * tree-complex.c (tree_lower_complex): Likewise.
6546         * vec.h (VEC_safe_grow_cleared): New.
6548 2007-01-02  Ian Lance Taylor  <iant@google.com>
6550         * c-common.c (c_common_truthvalue_conversion): When warning about
6551         using an assignment as a truth value, set TREE_NO_WARNING.
6553 2007-01-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6555         PR middle-end/7651
6556         * c.opt (Wold-style-declaration): New.
6557         * doc/invoke.texi (C-only Warning Options): New.
6558         (Wold-style-declaration): Document it.
6559         (Wextra): Enabled by -Wextra.
6560         * c-opts.c (c_common_post_options): Enabled by -Wextra.
6561         * c-decl.c (declspecs_add_scspec): Replace -Wextra with
6562         -Wold-style-declaration.
6564 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
6566         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
6567         * cfgbuild.c (find_basic_blocks): Likewise.
6568         * cfgrtl.c (rtl_create_basic_block): Likewise.
6569         * function.c (temp_slots_at_level): Likewise.
6570         * reg-stack.c (stack_regs_mentioned): Likewise.
6571         * regclass.c (allocate_reg_info): Likewise.
6572         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
6573         set_bb_for_stmt, move_block_to_fn): Likewise.
6574         * tree-complex.c (tree_lower_complex): Likewise.
6575         * vec.h (VEC_safe_grow_cleared): New.
6577 2007-01-02  Douglas Gregor  <doug.gregor@gmail.com>
6579         * c-common.c (c_common_nodes_and_builtins): Since variants of
6580         void_type_node get built before it is given a name, we need to
6581         give those variants the name, too.
6582         (complete_array_type): We need to work with the canonical main
6583         type of the array, from which we will build the qualified version.
6584         * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
6585         * print-tree.c (print_node): Display canonical type information
6586         for each type.
6587         * stor-layout.c (layout_type): When we don't know the
6588         alignment of a type for which we're building an array, we end up
6589         guessing wrong, so make the type require structural equality.
6590         * tree.c (make_node_stat): When we build a new type, it is its
6591         own canonical type.
6592         (build_type_attribute_qual_variant): When building an attribute
6593         variant, its canonical type is the non-attribute variant. However,
6594         if the attributes are target-dependent and they differ, we need to
6595         use structural equality checks for this type.
6596         (build_qualified_type): A qualified type is not equivalent to its
6597         unqualified variant; set the canonical type appropriately.
6598         (build_distinct_type_copy): When building a distinct type from
6599         another type, the new type is its own canonical type.
6600         (build_variant_type_copy): When building a new type variant, we
6601         assume that it is equivalent to the original type.
6602         (build_pointer_type_for_mode): When building a pointer type, also
6603         build a canonical type pointer.
6604         (build_reference_type_for_mode): When building a reference type,
6605         also build a canonical type reference.
6606         (build_index_type): When we can't hash an index type (e.g.,
6607         because its maximum value is negative), the index type requires
6608         structural equality tests.
6609         (build_array_type): Build the canonical form of an array type.
6610         (build_function_type): Function types require structural equality,
6611         because they contain default arguments, attributes, etc.
6612         (build_method_type_directly): Ditto for method types.
6613         (build_offset_type): Build the canonical offset type.
6614         (build_complex_type): Build the canonical vector type.
6615         (make_vector_type): Build the canonical vector type.
6616         * tree.h (TYPE_CANONICAL): New.
6617         (TYPE_STRUCTURAL_EQUALITY_P): New.
6618         (SET_TYPE_STRUCTURAL_EQUALITY): New.
6619         (struct tree_type): Added "canonical" field.
6620         * params.h (VERIFY_CANONICAL_TYPES): New.
6621         * doc/c-tree.texi (TYPE_CANONICAL): Document.
6622         (TYPE_STRUCTURAL_EQUALITY_P): Document.
6623         (SET_TYPE_STRUCTURAL_EQUALITY): Document.
6624         * doc/invoke.texi (verify-canonical-types): Document --param
6625         parameter for verifying canonical types.
6627 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
6629         * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
6630         powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
6631         powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
6632         powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
6633         tm_file.
6634         * config/rs6000/e500.h: New.
6635         * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
6636         TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
6637         Remove.
6638         * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
6639         TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
6640         TARGET_E500_DOUBLE): Remove.
6641         * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
6642         TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
6643         * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
6644         * config/rs6000/rs6000.c (rs6000_override_options): Use
6645         CHECK_E500_OPTIONS.
6647 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
6649         * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
6650         TARGET_E500_DOUBLE), not TARGET_E500, for %y.
6651         (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
6652         rs6000_emit_cmove): Don't check TARGET_E500.
6653         * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
6654         sordered): Don't check TARGET_E500.
6656 2007-01-01  Eric Christopher  <echristo@apple.com>
6658         * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
6659         HARD_REGISTER_NUM_P.
6661 2007-01-01  Roger Sayle  <roger@eyesopen.com>
6663         * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
6664         "X eq/ne (C1^C2)".  Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
6665         has no side-effects.  Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
6666         eq/ne Y".
6668 2007-01-01  Mike Stump  <mrs@apple.com>
6670         * configure.ac: Remove support for building with Apple's gcc-3.1.
6672 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
6674         PR middle-end/30311
6675         * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
6676         REG is a hard register.  Do not modify REG before calling
6677         subreg_nregs.
6678         * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
6679         multiple of the size of YMODE for certain lowpart cases.
6681 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
6683         PR middle-end/30253
6684         * gimplify (voidify_wrapper_expr): Update for
6685         GIMPLE_MODIFY_STMT.
6687 2007-01-01  Andreas Schwab  <schwab@suse.de>
6689         PR target/29166
6690         * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
6691         save of BR0 in extra_spill_size instead of spill_size.
6692         (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
6693         area.
6694         (ia64_expand_epilogue): Restore BR0 from its new location.
6696 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
6698         * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
6699         Use a temporary variable if the left hand side is not a gimple
6700         register.
6702 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
6704         * gimplify.c (gimplify_return_expr): Make the temporary variable
6705         for the return expression, a gimple register variable.
6707 2007-01-01  Jan Hubicka  <jh@suse.cz>
6709         * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
6710         INSN_LIST.
6712 2007-01-01  Mike Stump  <mrs@apple.com>
6714         * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
6715         .literal16.
6716         * config/darwin.c (machopic_select_rtx_section): Use
6717         HAVE_GAS_LITERAL16.
6718         (darwin_mergeable_constant_section): Likewise.
6719         * configure: Regenerate.
6720         * config.in: Regenerate.
6722 2007-01-01  Jan Hubicka  <jh@suse.cz>
6723             Andrew Pinski  <pinskia@gmail.com>
6725         * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
6726         before starting IPA passes.