PR tree-optimization/30938
[official-gcc.git] / gcc / ChangeLog
blob118559971fb94ba39489390a0b83926c17770260
1 2007-02-25  Uros Bizjak  <ubizjak@gmail.com>
3         PR tree-optimization/30938
4         * tree-vect-transform.c (vectorizable_call): Fix off-by-one error:
5         use &dt[nargs-1] instead of &dt[nargs] in the call to
6         vect_is_simple_use().
8 2007-02-25  Ulrich Weigand  <uweigand@de.ibm.com>
10         * reload.c (find_reloads_address_1): Handle PLUS expressions resulting
11         from register elimination as PRE_MODIFY / POST_MODIFY increments.
12         Do not attempt to handle MEM inside auto-inc expressions.
13         * reload1.c (eliminate_regs_1): Do not attempt to handle elimination
14         of a register modified by an auto-inc expression.  However, do handle
15         elimination of a register used as PRE_MODIFY / POST_MODIFY increment.
16         (elimination_effects): Prohibit elimination of a register modified
17         by an auto-inc expression.  Disable register elimination rules whose
18         target register is modified by an auto-inc expression with variable
19         increment.
21 2007-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
23         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): Fix
24         off-by-one error.
25         (array_at_struct_end_p): New function.
26         (idx_infer_loop_bounds): Use it.
27         (estimate_numbers_of_iterations_loop): Export.
28         * predict.c (predict_loops): Use estimated_loop_iterations_int.
29         Do not use PRED_LOOP_EXIT on exits predicted by # of iterations.
30         (tree_estimate_probability): Call record_loop_exits.
31         * tree-data-ref.c (get_number_of_iters_for_loop): Replaced by ...
32         (estimated_loop_iterations, estimated_loop_iterations_int,
33         estimated_loop_iterations_tree): New functions.
34         (analyze_siv_subscript_cst_affine,
35         compute_overlap_steps_for_affine_1_2,
36         analyze_subscript_affine_affine): Use estimated_loop_iterations_int.
37         (analyze_miv_subscript): Use estimated_loop_iterations_tree.
38         * predict.def (PRED_LOOP_ITERATIONS): Update comment.
39         (PRED_LOOP_ITERATIONS_GUESSED): New.
40         * cfgloop.c (record_loop_exits): Do nothing if there are no loops.
41         * cfgloop.h (estimate_numbers_of_iterations_loop,
42         estimated_loop_iterations_int): Declare.
44 2007-02-25  Mark Mitchell  <mark@codesourcery.com>
46         * doc/extend.texi: Document optional priority argument to
47         constructors and destructors.
48         * tree.c (init_priority_for_decl): Adjust GTY markers.
49         (init_ttree): Use priority-info hash functions for
50         init_priority_for_decl.
51         (tree_map_eq): Rename to ...
52         (tree_map_base_eq): ... this.
53         (tree_map_marked_p): Rename to ...
54         (tree_map_base_marked_p): ... this.
55         (tree_map_base_hash): New function.
56         (decl_init_priority_lookup): Rework.
57         (decl_fini_priority_lookup): New function.
58         (decl_priority_info): New function.
59         (decl_init_priority_insert): Use it.
60         (decl_fini_priority_insert): Likewise.
61         (decl_restrict_base_lookup): Adjust for refactoring of tree_map
62         hierarchy.
63         (decl_restrict_base_insert): Likewise.
64         (decl_debug_expr_insert): Likewise.
65         (decl_value_expr_lookup): Likewise.
66         (decl_value_expr_insert): Likewise.
67         * tree.h (priority_type): New type.
68         (decl_init_priority_lookup): Use priority_type.
69         (decl_fini_priority_lookup): New function.
70         (decl_init_priority_insert): Use priority_type.
71         (decl_fini_priority_insert): New function.
72         (DECL_HAS_INIT_PRIORITY): Tweak comments.
73         (DECL_INIT_PRIORITY): Likewise.
74         (SET_DECL_INIT_PRIORITY): Add comment.
75         (DECL_FINI_PRIORITY): New macro.
76         (SET_DECL_FINI_PRIORITY): Likewise.
77         (DEFAULT_INIT_PRIORITY): Document.
78         (MAX_INIT_PRIORITY): Likewise.
79         (MAX_RESERVED_INIT_PRIORITY): Likewise.
80         (tree_map_base): New type.
81         (tree_map_base_eq): New function.
82         (tree_map_base_hash): Likewise.
83         (tree_map_base_marked_p): Likewise.
84         (tree_map): Inherit from tree_map_base.
85         (tree_map_eq): Make it a macro.
86         (tree_map_marked_p): Likewise.
87         (tree_int_map): Inherit from tree_map_base.
88         (tree_int_map_eq): Make it a macro.
89         (tree_int_map_hash): Likewise.
90         (tree_int_map_marked_p): Likewise.
91         (tree_priority_map): New type.
92         (tree_priority_map_eq): New macro.
93         (tree_priority_map_hash): Likewise.
94         (tree_priority_map_marked_p): Likewise.
95         * varasm.c (emults_decl): Adjust for refactoring of tree_map
96         hierarchy.
97         (emutls_common_1): Likewise.
98         * lambda-code.c (replace_uses_equiv_to_x_with_y): Likewise.
99         * tree-ssa-structalias.c (heapvar_lookup): Adjust for refactoring
100         of tree_map hierarchy.
101         * tree-cfg.c (move_stmt_r): Likewise.
102         (new_label_mapper): Likewise.
103         * c-tree.h (c_expand_body): Move to ...
104         * c-common.h (c_expand_body): ... here.
105         * c-decl.c (c_expand_body): Move to ...
106         * c-common.c (c_expand_body): ... here.
107         (c_common_attribute_table): Allow 1 argument for the constructor
108         and destructor attributes.
109         (get_priority): New function.
110         (handle_constructor_attribute): Set DECL_INIT_PRIORITY.
111         (handle_destructor_attribute): Set DECL_FINI_PRIORITY.
113 2007-02-24  Jan Hubicka  <jh@suse.cz>
115         PR middle-end/30509
116         * tree-inline.c (copy_bb): Produce exact copy of EH info when copying for inlining.
118 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
119             Jan Hubicka  <jh@suse.cz>
121         PR target/30778
122         * i386.c (counter_mode): New function.
123         (expand_set_or_movmem_via_loop): Use it.
124         (expand_movmem_epilogue): Likewise; fix pasto.
125         (ix86_expand_movmem): Do emit guard even for constant counts.
126         (ix86_expand_setmem): Likewise.
128 2007-02-25  Nick Clifton  <nickc@redhat.com>
130         * config/frv/frv.h (ASM_OUTPUT_CASE_LABEL): Delete.
131         (JUMP_TABLES_IN_TEXT_SECTION): Define.
133 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
135         PR target/30770
136         * config/i386/i386.md (expand_movmem_epilogue): Fix typo, mask
137         count argument with 0x10, not with 0x16.
138         (expand_setmem_epilogue): Ditto.
140 2007-02-24  Mike Stump  <mrs@apple.com>
142         * config/i386/i386.c (output_pic_addr_const): Stubify optimized
143         symbols.
145 2007-02-24  Richard Guenther  <rguenther@suse.de>
147         PR middle-end/30951
148         * fold-const.c (fold_binary): Fold x +- CST op x for
149         EQ_EXPR and NE_EXPR.
151 2007-02-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
153         * pa.md (muldi3): Force subregs to registers in 64-bit expander.
155 2007-02-24  Jan Hubicka  <jh@suse.cz>
157         * cgraphunit.c (decide_is_function_needed): Honor
158         -fkeep-inline-functions.
160 2007-02-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
162         * builtins.c (fold_builtin_modf): New.
163         (fold_builtin_2): Use it.
165 2007-02-24  Bernd Schmidt  <bernd.schmidt@analog.com>
167         * loop-iv.c (implies_p): Detect additional cases where A implies B.
168         (determine_max_iter): Take additional LOOP arg; all callers changed.
169         Lose broken logic dealing with PLUS.  Try to limit the upper bound by
170         one using simplifications.
171         (simplify_using_initial_values): Return if the expression becomes
172         invalid due to altered regs.
174 2007-02-23  DJ Delorie  <dj@redhat.com>
176         * doc/tm.h (BIGGEST_ALIGNMENT): Clarify the purpose of this macro.
178 2007-02-23  Mike Stump  <mrs@apple.com>
180         * tlink.c (scan_linker_output): Parse linker messages from
181         darwin9's linker better.
183 2007-02-23  Steve Ellcey  <sje@cup.hp.com>
185         PR debug/29614
186         * varpool.c (varpool_assemble_pending_decls):  Set
187         varpool_last_needed_node to null.
189 2007-02-23  DJ Delorie  <dj@redhat.com>
191         * config/i386/i386.c (ix86_data_alignment): Don't specify an
192         alignment bigger than the object file can handle.
194 2007-02-23  Uros Bizjak  <ubizjak@gmail.com>
196         PR target/30825
197         * config/i386/i386.md (*movdi_1_rex64, zero_extendsidi2_32,
198         zero_extendsidi2_rex64): Penalize MMX register<->memory moves.
199         (*movsf_1): Penalize MMX moves.
201 2007-02-23  Bernd Schmidt  <bernd.schmidt@analog.com>
203         * config/bfin/bfin.md (doloop_end): Fail for loops that can iterate
204         2^32-1 or more times unless flag_unsafe_loop_optimizations.
206         * loop-iv.c (determine_max_iter): Moved in front of its sole user.
208 2007-02-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
210         * builtins.c (fold_builtin_logb, fold_builtin_significand): New.
211         (fold_builtin_1): Use them.
212         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
213         BUILT_IN_SIGNIFICAND.
215 2007-02-23  H.J. Lu  <hongjiu.lu@intel.com>
217         * config/i386/i386.c (bdesc_1arg): Initialize
218         IX86_BUILTIN_MOVSHDUP and IX86_BUILTIN_MOVSLDUP with
219         "__builtin_ia32_movshdup" and "__builtin_ia32_movsldup".
220         (ix86_init_mmx_sse_builtins): Remove IX86_BUILTIN_MOVSHDUP
221         and IX86_BUILTIN_MOVSLDUP.
223 2007-02-22  Paolo Bonzini  <bonzini@gnu.org>
225         PR rtl-optimization/30841
226         * fwprop.c (propagate_rtx_1): Accept a VOIDmode replacement address.
228 2007-02-22  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
230         * builtins.c (fold_builtin_frexp): New.
231         (fold_builtin_2): Use it.
233 2007-02-22  Mark Mitchell  <mark@codesourcery.com>
235         * doc/invoke.texi (Spec Files): Document getenv spec function.
237         * gcc.c (getenv_spec_function): New function.
238         (static_spec_functions): Add it.
239         * config/vxworks.h (VXWORKS_TARGET_DIR): Remove.
240         (VXWORKS_ADDITIONAL_CPP_SPEC): Use getenv to find the VxWorks
241         header files.
243 2007-02-22  Michael Matz  <matz@suse.de
245         PR c++/29433
246         * dwarf2out.c (add_AT_string): Call ggc_strdup once per string.
247         (type_tag): Use lang_hooks.dwarf_name instead of DECL_NAME.
249 2007-02-22  Ian Lance Taylor  <iant@google.com>
251         PR debug/30898
252         * dwarf2out.c (concatn_mem_loc_descriptor): New static function.
253         (mem_loc_descriptor): Call it.
255 2007-02-22  Zdenek Dvorak  <dvorakz@suse.cz>
256             Ira Rosen  <irar@il.ibm.com>
258         * tree-data-ref.c (ptr_ptr_may_alias_p): Take alias sets into account.
260 2007-02-22  Ira Rosen  <irar@il.ibm.com>
262         PR tree-optimization/30843
263         * tree-vect-transform.c (vect_transform_loop): Remove strided scalar 
264         stores only after all the group is vectorized.
266 2007-02-22  Dorit Nuzman  <dorit@il.ibm.com>
268         PR tree-optimization/30858
269         * tree-vectorizer.c (vect_is_simple_reduction): Check that the stmts
270         in the reduction cycle have a single use in the loop.
271         * tree-vectorizer.h (relevant): Add documentation.
273 2007-02-20  Mike Stump  <mrs@apple.com>
275         * configure.ac (powerpc*-*-darwin*): #include <sys/cdefs.h>.
276         * configure: Regenerate.
278 2007-02-21  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
280         Change the defaults of some parameters and options.
281         * config/spu/spu-protos.h (spu_optimization_options): Declare.
282         * config/spu/spu.c (spu_optimization_options): Add.
283         (spu_override_options): Change params in spu_optimization_options.
284         * config/spu/spu.h (OPTIMIZATION_OPTIONS): Define.
286         Register 127 is only 16 byte aligned when used as a frame pointer.
287         * config/spu/spu-protos.h (spu_init_expanders): Declare.
288         * config/spu/spu.c (spu_expand_prologue): Set REGNO_POINTER_ALIGN for
289         HARD_FRAME_POINTER_REGNUM.
290         (spu_legitimate_address):  Use regno_aligned_for_reload.
291         (regno_aligned_for_load):  HARD_FRAME_POINTER_REGNUM is only 16 byte
292         aligned when frame_pointer_needed is true.
293         (spu_init_expanders): New.  Set alignment of HARD_FRAME_POINTER_REGNUM
294         to 8 bits.
295         * config/spu/spu.h (INIT_EXPANDERS): Define.
297         Make sure shift and rotate instructions have valid immediate operands.
298         * config/spu/predicates.md (spu_shift_operand): Remove.
299         * config/spu/spu.c (print_operand): Add [efghEFGH] modifiers.
300         * config/spu/constraints.md (W, O): Extend range.
301         * config/spu/spu.md (umask, nmask): Define.
302         (ashl<mode>3, ashldi3, ashlti3_imm, shlqbybi_ti, shlqbi_ti, shlqby_ti,
303         lshr<mode>3, rotm_<mode>, lshr<mode>3_imm, rotqmbybi_<mode>,
304         rotqmbi_<mode>, rotqmby_<mode>, ashr<mode>3, rotma_<mode>,
305         rotl<mode>3, rotlti3, rotqbybi_ti, rotqby_ti, rotqbi_ti): Use
306         spu_nonmem_operand instead of spu_shift_operands.  Use new modifiers.
307         (lshr<mode>3_reg):  Fix rtl description.
309         Make sure mulhisi immediate operands are valid.
310         * config/spu/predicates.md (imm_K_operand): Add.
311         * config/spu/spu.md (mulhisi3_imm, umulhisi3_imm): Use imm_K_operand.
313         Generate constants using fsmbi and andi.
314         * config/spu/spu.c (enum immediate_class): Add IC_FSMBI2.
315         (print_operand, spu_split_immediate, classify_immediate,
316         fsmbi_const_p): Handle IC_FSMBI2.
318         Correctly handle a CONST_VECTOR containing symbols.
319         * config/spu/spu.c (print_operand): Handle HIGH correctly.
320         (spu_split_immediate): Split CONST_VECTORs with -mlarge-mem.
321         (immediate_load_p): Allow symbols that use 2 instructions to create.
322         (classify_immediate, spu_builtin_splats):  Don't accept a CONST_VECTOR
323         with symbols when flag_pic is set.
324         (const_vector_immediate_p): New.
325         (logical_immediate_p, iohl_immediate_p, arith_immediate_p): Don't
326         accept a CONST_VECTOR with symbols.
327         (spu_legitimate_constant_p): Use const_vector_immediate_p.  Don't
328         accept a CONST_VECTOR with symbols when flag_pic is set.  Handle HIGH
329         correctly.
330         * config/spu/spu.md (high, low): Delete.
331         (low_<mode>): Define.
333         Remove INTRmode and INTR_REGNUM, which didn't work.
334         * config/spu/spu.c (spu_conditional_register_usage): Remove reference
335         of INTR_REGNUM.
336         * config/spu/spu-builtins.md (spu_idisable, spu_ienable, set_intr,
337         set_intr_pic, set_intr_cc, set_intr_cc_pic, set_intr_return, unnamed
338         peephole2 pattern): Don't use INTR or 131.
339         (movintrcc): Delete.
340         * config/spu/spu.h (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS,
341         CALL_USED_REGISTERS, REGISTER_NAMES, INTR_REGNUM): Remove INTR_REGNUM.
342         * config/spu/spu.md (UNSPEC_IDISABLE, UNSPEC_IENABLE): Remove.
343         (UNSPEC_SET_INTR): Add.
344         * config/spu/spu-modes.def (INTR): Remove.
346         More accurate warnings about run-time relocations.
347         * config/spu/spu.c (reloc_diagnostic): Test in_section.
349         Correctly warn about immediate arguments to specific intrinsics.
350         * config/spu/spu.c (spu_check_builtin_parm): Handle CONST_VECTORs.
351         (spu_expand_builtin_1): Call spu_check_builtin_parm before checking
352         the instruction predicate.
354         Fix tree check errors with latest update.
355         * config/spu/spu.c (expand_builtin_args, spu_expand_builtin_1): Use
356         CALL_EXPR_ARG.
357         (spu_expand_builtin): Use CALL_EXPR_FN.
359         Add missing specific intrinsics.
360         * config/spu/spu-builtins.def: Add si_bisled, si_bisledd and
361         si_bislede.
362         * config/spu/spu_internals.h: Ditto.
364         Fix incorrect operand modifiers.
365         * config/spu/spu-builtins.md (spu_mpy, spu_mpyu):  Remove use of %H.
366         * config/spu/spu.md (xor<mode>3):  Change %S to %J.
368         Optimize one case of zero_extend of a vec_select.
369         * config/spu/spu.md (_vec_extractv8hi_ze):  Add.
371         Accept any immediate for hbr.
372         * config/spu/spu.md (hbr):  Change s constraints to i.
374 2007-02-21  Paul Brook  <paul@codesourcery.com>
376         * config/arm/arm.c (thumb2_final_prescan_insn): Don't incrememnt
377         condexec_count when skipping USE and CLOBBER.
379 2007-02-21  Nick Clifton  <nickc@redhat.com>
381         * common.opt (Warray-bounds): Add Warning attribute.
382         (Wstrict-overflow, Wstrict-overflow=, Wcoverage-mismatch):
383         Likewise.
384         (fsized-zeroes): Add Optimization attribute.
385         (fsplit-wide-types, ftree-scev-cprop): Likewise.
386         * c.opt (Wc++0x-compat): Add Warning attribute.
388 2007-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
390         PR middle-end/30761
391         * reload1.c (eliminate_regs_in_insn): In the single_set special
392         case, attempt to re-recognize the insn before falling back to
393         having reload fix it up.
395 2007-02-20  Eric Christopher  <echristo@gmail.com>
397         * config/frv/frv.c (frv_read_argument): Take a tree and int argument.
398         Rewrite accordingly.
399         (frv_read_iacc_argument): Ditto.
400         (frv_expand_set_builtin): Take a call instead of arglist, update for
401         above changes.
402         (frv_expand_unop_builtin): Ditto.
403         (frv_expand_binop_builtin): Ditto.
404         (frv_expand_cut_builtin): Ditto.
405         (frv_expand_binopimm_builtin): Ditto.
406         (frv_expand_voidbinop_builtin): Ditto.
407         (frv_expand_int_void2arg): Ditto.
408         (frv_expand_prefetches): Ditto.
409         (frv_expand_voidtriop_builtin): Ditto.
410         (frv_expand_voidaccop_builtin): Ditto.
411         (frv_expand_load_builtin): Ditto.
412         (frv_expand_store_builtin): Ditto.
413         (frv_expand_mdpackh_builtin): Ditto.
414         (frv_expand_mclracc_builtin): Ditto.
415         (frv_expand_mrdacc_builtin): Ditto.
416         (frv_expand_mwtacc_builtin): Ditto.
417         (frv_expand_builtin): Remove usage of CALL_EXPR_ARGS, update
418         calls for above.
420 2007-02-20  Janis Johnson  <janis187@us.ibm.com>
422         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcmpb and -mdfp.
423         * configure.ac (HAVE_GAS_CMPB): Check for assembler support of the
424         cmpb instruction.
425         (HAVE_GAS_DFP): Check for assembler support of decimal floating
426         point instructions.
427         * configure: Regenerate.
428         * config.in: Regenerate.
429         * config/rs6000/rs6000.opt (mcmpb, mdfp): New.
430         * config/rs6000/rs6000.c (rs6000_override_options): Add CMPB and DFP
431         masks to power6 and power6x and to POWERPC_MASKS.
432         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
433         _ARCH_PWR6.
434         * config/rs6000/rs6000.h: Check assembler support for CMPB and DFP.
435         * config/rs6000/sysv4.opt (mprototype): Use variable, not mask.
436         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
437         Access PROTOTYPE as variable, not mask.
439 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
441         * rtl.h (remove_reg_equal_equiv_notes): New prototype.
442         * rtlanal.c (remove_reg_equal_equiv_notes): New function.
443         * combine.c (adjust_for_new_dest): Use it.
444         * postreload.c (reload_combine): Likewise.
446 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
448         * rtlanal.c (find_reg_equal_equiv_note): Do not find REG_EQ*
449         notes on an insn with multiple sets, even if single_set returns
450         non-NULL for that insn.
452 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
454         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle scalb,
455         scalbn and scalbln.
457 2007-02-20  Geoffrey Keating  <geoffk@apple.com>
459         * config/darwin.h (LINK_SPEC): Default -mmacosx-version-min only
460         if user didn't pass it.
461         * config/i386/darwin.h (CC1_SPEC): Likewise.
462         * config/rs6000/darwin.h (CC1_SPEC): Likewise.
463         (DARWIN_MINVERSION_SPEC): Don't depend on user's setting of
464         -mmacosx-version-min.
466 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
467             Uros Bizjak  <ubizjak@gmail.com>
469         * optabs.h (enum optab_index): Add new OTI_scalb.
470         (scalb_optab): Define corresponding macro.
471         * optabs.c (init_optabs): Initialize scalb_optab.
472         * genopinit.c (optabs): Implement scalb_optab using scalb?f3
473         patterns.
474         * builtins.c (expand_builtin_mathfn_2, expand_builtin): Handle
475         BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L} and BUILT_IN_SCALBLN{,F,L}.
476         (expand_builtin): Expand BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L}
477         and BUILT_IN_SCALBLN{,F,L} using expand_builtin_mathfn_2 if
478         flag_unsafe_math_optimizations is set.
480         * config/i386/i386.md (scalbxf3, scalb<mode>3): New expanders
481         to implement scalbf, scalb and scalbl built-ins as inline x87
482         intrinsics.
484 2007-02-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
485             DJ Delorie <dj@redhat.com>
487         PR other/30824
488         * diagnostic.c (diagnostic_count_diagnostic): Move -Werror logic to...
489         (diagnostic_report_diagnostic): ... here, and turn them into real
490         errors. If warnings are inhibited, no need to do anything.
492 2007-02-20  Uros Bizjak  <ubizjak@gmail.com>
494         * config/i386/i386.md (expm1xf2): Reorder insn sequence for
495         better code generation.
497 2007-02-20  Ben Elliston  <bje@au.ibm.com>
499         * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove extra ;.
501 2007-02-20  Kazu Hirata  <kazu@codesourcery.com>
503         * config/alpha/alpha.c, config/alpha/alpha.md,
504         config/alpha/lib1funcs.asm, config/alpha/vms-crt0-64.c,
505         config/alpha/vms-psxcrt0-64.c, config/arc/arc.c,
506         config/arc/arc.h, config/arm/arm.c, config/arm/arm.md,
507         config/arm/lib1funcs.asm: Follow spelling conventions.
509         * config/c4x/c4x.md, config/cris/cris.c, config/crx/crx.c,
510         config/fr30/fr30.md, config/i386/i386.h,
511         config/iq2000/iq2000.h, config/iq2000/predicates.md,
512         config/pa/milli64.S, config/pa/pa.c, config/pa/pa.h,
513         config/pa/pa.md, config/pa/pa32-regs.h, config/pa/pa64-regs.h,
514         config/pdp11/pdp11.c, config/pdp11/pdp11.h,
515         config/rs6000/altivec.md, config/rs6000/rs6000.c,
516         config/s390/s390-modes.def, config/sparc/netbsd-elf.h,
517         config/sparc/sparc.c, config/sparc/sparc.h,
518         config/sparc/sparc.md, config/spu/constraints.md,
519         config/spu/spu.c, config/stormy16/stormy16.md: Follow spelling
520         conventions.
522 2007-02-20  Alan Modra  <amodra@bigpond.net.au>
524         PR target/29943
525         * varasm.c (use_blocks_for_decl_p): Return false for decls with
526         alias attribute.
528 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
530         * doc/invoke.texi (-ftree-lrs): Remove.
532 2007-02-19  Diego Novillo  <dnovillo@redhat.com>
534         * tree-ssa-pre.c (create_value_expr_from): Initialize POOL to
535         NULL.
537 2007-02-19  Lee Millward  <lee.millward@codesourcery.com>
539         * config/ia64/ia64.c (ia64_expand_builtin): Use the
540         new CALL_EXPR_FN macro for retrieving the function
541         declaration of the input expression.
543 2007-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
545         * c.opt (Waddress): New.
546         * common.opt (Walways-true): Delete.
547         (Wstring-literal-comparison): Delete.
548         * doc/invoke.texi (Warning Options): Delete -Walways-true and
549         -Wstring-literal-comparison. Add -Waddress.
550         (Waddress): New.
551         (Walways-true): Delete.
552         (Wstring-literal-comparison): Delete.
553         * doc/extend.texi (#pragma GCC diagnostic): Use -Wformat
554         consistently instead of -Walways-true in example.
555         * c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall.
556         * c-typeck.c (parser_build_binary_op): Replace
557         -Wstring-literal-comparison and -Walways-true with -Waddress.
558         * c-common.c (c_common_truthvalue_conversion): Replace -Walways-true
559         with -Waddress.
561 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
563         * tree-cfg.c (dump_function_to_file): Be prepared for functions
564         without DECL_STRUCT_FUNCTION initialized.
566 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
568         * gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap
569         due to calls to functions taking pointers as parameters.
571 2007-02-19  Richard Henderson  <rth@redhat.com>
573         PR debug/29558
574         * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
575         in memory.
577 2007-02-19  Andreas Krebbel  <krebbel1@de.ibm.com>
579         * config/s390/s390.c (s390_call_saved_register_used,
580         s390_function_ok_for_sibcall): Adjust the way CALL_EXPR arguments are
581         accessed to the new scheme.
583 2007-02-19  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
585         * config/cris/cris.c (cris_movem_load_rest_p, cris_store_multiple_op_p)
586         (cris_print_index, cris_print_operand, cris_print_operand_address)
587         (cris_reload_address_legitimized, cris_rtx_costs, cris_address_cost)
588         (cris_side_effect_mode_ok, cris_valid_pic_const, cris_split_movdx)
589         (cris_expand_pic_call_address): Use xxx_P predicate macros instead of
590         GET_CODE () == xxx.
591         * config/cris/cris.h (SECONDARY_RELOAD_CLASS, EXTRA_CONSTRAINT_Q,
592         EXTRA_CONSTRAINT_T, BDAP_INDEX_P, BIAP_INDEX_P, SIMPLE_ADDRESS_P,
593         GO_IF_LEGITIMATE_ADDRESS): Ditto.
594         * config/cris/cris.md (define_insns: *btst, movdi, *mov_side<mode>)
595         (*mov_sidesisf, *mov_side<mode>_mem, *mov_sidesisf_mem)
596         (*clear_side<mode>, movsi, *movsi_internal, *ext_sideqihi)
597         (*ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>, addsi3)
598         (*extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side)
599         (*extop<mode>si_swap_side, addi_mul, *addi,andsi3, andhi3, ashl<mode>3)
600         (uminsi3, call, call_value): Ditto.
601         (define_split: indir_to_reg_split, unnamed): Ditto.
603 2007-02-19  Dorit Nuzman  <dorit@il.ibm.com>
605         PR tree-optimization/30975
606         * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove
607         wrong assert.
609 2007-02-18  Eric Christopher  <echristo@gmail.com>
611         * mips.c (mips_prepare_builtin_arg): Add argnum parameter.
612         Remove use of arglist.
613         (mips_expand_builtin): Remove use of arglist, pass in expr.
614         (mips_expand_builtin_direct): Rewrite handling for arglist removal.
615         (mips_expand_builtin_movtf): Ditto.
616         (mips_expand_builtin_compare): Ditto.
618 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
620         * tree-sra.c (sra_build_assignment): Replace assertion
621         checking with a comment explaining why it can't be done.
623 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
625         PR middle-end/30833
626         * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed
627         during CALL_EXPR representation conversion.
628         * tree-ssa-propagate.c (set_rhs): Likewise.
630 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
632         * tree-sra.c (sra_build_assignment): Disable assertion checking
633         for now.
635 2007-02-18  Roger Sayle  <roger@eyesopen.com>
637         * function.c (gimplify_parameters): Call build_gimple_modify_stmt
638         instead of calling build2 with a GIMPLE_MODIFY_STMT.
639         * gimple-low.c (lower_function_body, lower_builtin_setjmp):
640         Likewise.
641         * gimplify.c (build_stack_save_restore, gimplify_return_expr,
642         gimplify_decl_expr,  gimplify_self_mod_expr, gimplify_cond_expr,
643         gimplify_init_ctor_eval_range, gimple_push_cleanup,
644         gimplify_omp_for, gimplify_omp_atomic_pipeline,
645         gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos,
646         force_gimple_operand): Likewise.
647         * ipa-cp.c (constant_val_insert): Likewise.
648         * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
649         lambda_loopnest_to_gcc_loopnest, replace_uses_equiv_to_x_with_y,
650         perfect_nestify): Likewise.
651         * langhooks.c (lhd_omp_assignment): Likewise.
652         * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses,
653         lower_copyprivate_clauses, lower_send_clauses,
654         lower_send_shared_vars, expand_parallel_call,
655         expand_omp_for_generic, expand_omp_for_static_nochunk,
656         expand_omp_for_static_chunk, expand_omp_sections,
657         lower_omp_single_copy, lower_omp_for_lastprivate,
658         lower_omp_parallel, init_tmp_var, save_tmp_var): Likewise.
659         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
660         tree_mod_subtract, tree_ic, tree_stringop_fixed_value):
661         Likewise.
663 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
665         * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h,
666         config/sh/sh.md: Follow spelling conventions.
668         * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md,
669         config/frv/predicates.md: Follow spelling conventions.
671         * config/m68k/linux-unwind.h: Fix a comment typo.
672         * target.h: Follow spelling conventions.
674 2007-02-18  Roger Sayle  <roger@eyesopen.com>
676         PR rtl-optimization/28173
677         * simplify-rtx.c (simplify_binary_operation_1) <IOR>:  Optimize
678         (X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects.
679         Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0.
680         Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2.
681         <AND>: Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2).
683 2007-02-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
685         * builtins.c (fold_builtin_load_exponent): New.
686         (fold_builtin_2): Use it.
688 2007-02-18  Steven Bosscher  <steven@gcc.gnu.org>
690         PR rtl-optimization/30773
691         * local-alloc.c (update_equiv_regs): Do not set reg_equiv_init
692         if we fail to attach a REG_EQUIV note.
694 2007-02-18  David Edelsohn  <edelsohn@gnu.org>
695             Roger Sayle  <roger@eyesopen.com>
697         * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter.
699 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
701         * calls.c (initialize_argument_information): Pass original EXP
702         and STRUCT_VALUE_ADDR_VALUE instead of a list of arguments.  Move
703         code to split complex arguments here, as part of initializing the
704         ARGS array.
705         (expand_call): Remove code that builds a list of arguments and
706         inserts implicit arguments into it.  Instead, just count how many
707         implicit arguments there will be so we can determine the size of
708         the ARGS array, and let initialize_argument_information do the work.
709         (split_complex_values): Delete unused function.
711 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
713         * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.
715 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
717         * calls.c (mem_overlaps_already_clobbered_arg_p): Return true
718         for arg pointer based indexed addressing.
720 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
722         * config/ia64/ia64.h, config/ia64/ia64.md,
723         config/ia64/predicates.md, config/ia64/sysv4.h: Follow
724         spelling conventions.
726 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
728         * config/m68k/m68k.c (split_di): New.
729         * config/m68k/m68k-protos.h: Declare split_di.
730         * config/m68k/m68k.md (extendsidi2*,ashldi3*,ashrdi3*,lshrdi3*):
731           Improve predicate handling and split constant shifts.
733 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
735         * config/m68k/m68k.md (extv,extzv,insv): disable dynamic
736         parameter for register bitfield operations, general predicates
737         cleanup
739 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
741         * config/m68k/linux.h (MD_UNWIND_SUPPORT): Define.
742         * config/m68k/linux-unwind.h: New file.
744 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
746         * cfgloop.c, config/alpha/alpha.c, config/bfin/bfin.c,
747         config/i386/athlon.md, config/ia64/ia64.md,
748         config/rs6000/rs6000.c, config/s390/s390.c, config/spu/spu.md,
749         df-problems.c, df.h, fold-const.c, ipa-cp.c, ipa-inline.c,
750         ipa-prop.h, see.c, struct-equiv.c, tree-inline.c,
751         tree-ssa-loop-niter.c, tree-vect-analyze.c,
752         tree-vect-transform.c: Fix comment typos.
754 2007-02-17  Kazu Hirata  <kazu@codesourcery.com>
756         * sched-deps.c (find_insn_list): Remove.
757         * sched-int.h: Remove the prototype for find_insn_list.
759 2007-02-16  Geoffrey Keating  <geoffk@apple.com>
761         * config/darwin.h (LINK_SPEC): Always pass -macosx_version_min
762         to linker.
763         (DARWIN_EXTRA_SPECS): Add %(darwin_minversion).
764         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Just call
765         darwin_rs6000_override_options.
766         (C_COMMON_OVERRIDE_OPTIONS): Expect
767         darwin_macosx_version_min to be non-NULL always.
768         (TARGET_C99_FUNCTIONS): Likewise.
769         (CC1_SPEC): Always pass -mmacosx-version-min to cc1*.
770         (DARWIN_MINVERSION_SPEC): New.
771         * config/rs6000/rs6000.c (darwin_rs6000_override_options): New.
772         * config/i386/darwin.h (CC1_SPEC): Always pass -mmacosx-version-min
773         to cc1*.
774         (DARWIN_MINVERSION_SPEC): New.
775         * config/darwin.opt (mmacosx-version-min): Initialize to non-NULL
776         value.
777         * config/darwin-c.c (darwin_cpp_builtins): Expect
778         darwin_macosx_version_min to be non-NULL always.
780         * config/rs6000/rs6000.c: Clean up trailing whitespace.
782 2007-02-16  Uros Bizjak  <ubizjak@gmail.com>
784         * config/i386/i386.h (x86_use_xchgb): New.
785         (TARGET_USE_XCHGB): New macro.
786         * config/i386/i386.c (x86_use_xchgb): Set for PENT4.
787         * config/i386/i386.md (*rotlhi3_1 splitter, *rotrhi3_1 splitter):
788         Split after reload into bswaphi for shifts of 8.
789         (bswaphi_lowpart): Generate rolw insn for HImode byte swaps.
790         (*bswaphi_lowpart_1): Generate xchgb for Q registers for TARGET_XCHGB
791         or when optimizing for size.
793 2007-02-16  Richard Guenther  <rguenther@suse.de>
794             Christian Bruel  <christian.bruel@st.com>
796         * fold-const.c (tree_swap_operands_p): Treat SSA_NAMEs like
797         DECLs but prefer SSA_NAMEs over DECLs.
799 2007-02-16  Richard Guenther  <rguenther@suse.de>
801         * tree-flow-inline.h (single_imm_use_p): Remove.
802         (zero_imm_uses_p): Likewise.
803         * tree-ssa-coalesce.c (create_outofssa_var_map): Use has_single_use
804         instead of single_imm_use_p.
805         * tree-cfg.c (replace_uses_by): Use has_zero_use instead of
806         zero_imm_uses_p.
808 2007-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
810         PR other/27843
811         * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid
812         nested double- and backquotes.
814 2007-02-15  Roger Sayle  <roger@eyesopen.com>
816         PR middle-end/30391
817         * tree.c (expr_align): Handle MODIFY_EXPR.  GIMPLE_MODIFY_STMT
818         should be unreachable.
819         (build2_stat): Allow construction of MODIFY_EXPR at any time.
820         For the time being redirect GIMPLE_MODIFY_STMT to the new
821         (renamed) build_gimple_modify_stmt_stat.
822         (build2_gimple_stat): Rename to...
823         (build_gimple_modify_stmt_stat): Now longer take a CODE argument.
824         Always build a GIMPLE_MODIFY_STMT node.
825         * tree.h (build2_gimple, build2_gimple_stat): Delete.
826         (build_gimple_modify_stmt, build_gimple_modify_stmt_stat): New
827         declarations.
829         * tree-cfg.c (factor_computed_gotos, tree_merge_blocks,
830         gimplify_val): Use build_gimple_modify_stmt instead of build2_gimple.
831         * tree-complex.c (set_component_ssa_name, expand_complex_move,
832         expand_complex_div_wide): Likewise.
833         * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
834         * tree-ssa-loop-im.c (schedule_sm): Likewise.
835         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Likewise.
836         * tree-ssa-loop-manip.c (create_iv): Likewise.
837         * tree-ssa-phiopt.c (conditional_replacement, minmax_replacement,
838         abs_replacement): Likewise.
839         * tree-ssa-pre.c (create_expression_by_pieces, poolify_modify_stmt,
840         realify_fake_stores): Likewise.
842         * builtins.c (std_expand_builtin_va_start): Build a MODIFY_EXPR
843         node rather than a GIMPLE_MODIFY_STMT node.
844         (std_gimpify_va_arg_expr, expand_builtin_va_copy,
845         fold_builtin_memset, fold_builtin_memory_op, do_mpfr_sincos):
846         Likewise.
847         (integer_valued_real_p): Handle MODIFY_EXPR, not GIMPLE_MODIFY_STMT.
848         * expr.c (expand_expr_real_1): Handle both MODIFY_EXPR and
849         GIMPLE_MODIFY_STMT.
851 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
853         PR middle-end/30433
854         * fold-const.c (fold_comparison): Add back the
855         folding of constant complex comparisions.
857 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
859         PR middle-end/30729
860         * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
861         effects unknown to this function, return early.
863 2007-02-15  Ian Lance Taylor  <iant@google.com>
865         * lower-subreg.c (move_eh_region_note): New static function.
866         (resolve_simple_move): Call it.
867         (decompose_multiword_subregs): Track blocks for which we resolve a
868         simple move which is also a control flow insn.  Pass them to
869         find_many_sub_basic_blocks.
870         (pass_lower_subreg): Add TODO_verify_flow.
871         (pass_lower_subreg2): Likewise.
873 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
874             Brooks Moses  <brooks.moses@codesourcery.com>
875             Lee Millward  <lee.millward@codesourcery.com>
877         * tree.h (enum tree_code_class): Add tcc_vl_exp.
878         (VL_EXP_CLASS_P): New.
879         (TREE_OPERAND_CHECK): Use TREE_OPERAND_LENGTH instead of
880         TREE_CODE_LENGTH.
881         (TREE_OPERAND_CHECK_CODE): Likewise.
882         (GIMPLE_STMT_OPERAND_CHECK): Likewise.
883         (TREE_RTL_OPERAND_CHECK): Likewise.
884         (tree_operand_check_failed): Make second parameter the whole tree
885         instead of its code.  Fixed callers.
886         (VL_EXP_CHECK): New.
887         (TREE_OPERAND_LENGTH): New.
888         (VL_EXP_OPERAND_LENGTH): New.
889         (CALL_EXPR_FN): New.
890         (CALL_EXPR_STATIC_CHAIN): New.
891         (CALL_EXPR_ARGS): New.
892         (CALL_EXPR_ARG): New.
893         (call_expr_nargs): New.
894         (CALL_EXPR_ARGP): New.
895         (build_nt_call_list): Declare.
896         (build_vl_exp_stat): Declare.
897         (build_vl_exp): New.
898         (build_call_list): Declare.
899         (build_call_nary): Declare.
900         (build_call_valist): Declare.
901         (build_call_array): Declare.
902         (call_expr_arg): Declare.
903         (call_expr_argp): Declare.
904         (call_expr_arglist): Declare.
905         (fold_build_call_list): Declare.
906         (fold_build_call_list_initializer): Declare.
907         (fold_call_expr): Declare to replace fold_builtin.
908         (fold_builtin_fputs): Update to agree with modified definition.
909         (fold_builtin_strcpy): Likewise.
910         (fold_builtin_strncpy): Likewise.
911         (fold_builtin_memory_chk): Likewise.
912         (fold_builtin_stxcpy_chk): Likewise.
913         (fold_builtin_strncpy_chk): Likewise.
914         (fold_builtin_next_arg): Likewise.
915         (fold_build_call_expr): Declare.
916         (fold_builtin_call_list): Declare.
917         (fold_builtin_call_valist): Declare.
918         (build_call_expr): Declare.
919         (validate_arglist): Update to agree with modified definition.
920         (tree_operand_length): New.
921         (call_expr_arg_iterator): New.
922         (init_call_expr_arg_iterator): New.
923         (next_call_expr_arg): New.
924         (first_call_expr_arg): New.
925         (more_call_expr_args_p): New.
926         (FOR_EACH_CALL_EXPR_ARG): New.
928         * tree.c (tree_code_class_string): Add entries for tcc_vl_exp
929         and tcc_gimple_stmt.
930         (tree_code_size): Update documentation.  Use sizeof (tree) rather
931         than sizeof (char *).
932         (tree_size): Likewise.  Add case for tcc_vl_exp.
933         (tree_node_structure): Add case for tcc_vl_exp.
934         (contains_placeholder_p): Likewise.
935         (substitute_in_expr): Likewise.
936         (substitute_placeholder_in_expr): Likewise.
937         (stabilize_reference_1): Likewise.
938         (build3_stat): Remove logic for CALL_EXPRs.  Replace with assertion
939         to diagnose breakage of this interface for constructing CALL_EXPRs.
940         (build_nt): Add similar assertion here.
941         (build_nt_call_list): New.
942         (simple_cst_equal) <CALL_EXPR>: Rewrite to use new accessors.
943         (iterative_hash_expr): Use TREE_OPERAND_LENGTH instead of
944         TREE_CODE_LENGTH.
945         (get_callee_fndecl): Use new CALL_EXPR accessors.
946         (tree_operand_check_failed): Change parameters to pass entire node
947         instead of its code, so that we can call TREE_OPERAND_LENGTH on it.
948         (process_call_operands): New.
949         (build_vl_exp_stat): New.
950         (build_call_list): New.
951         (build_call_nary): New.
952         (build_call_valist): New.
953         (build_call_array): New.
954         (walk_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
955         (call_expr_arglist): New.
957         * tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use
958         tcc_vl_exp instead of a fixed-size tcc_expression.
960         * doc/c-tree.texi (CALL_EXPR): Document new representation and
961         accessors for CALL_EXPRs.
962         (AGGR_INIT_EXPR): Likewise.
964 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
965             Brooks Moses  <brooks.moses@codesourcery.com>
966             Lee Millward  <lee.millward@codesourcery.com>
968         * builtins.c (c_strlen): Return NULL_TREE instead of 0.
969         (expand_builtin_nonlocal_goto): Change parameter to be entire
970         CALL_EXPR instead of an arglist.  Use new CALL_EXPR accessors.
971         (expand_builtin_prefetch): Likewise.
972         (expand_builtin_classify_type): Likewise.
973         (mathfn_built_in): Return NULL_TREE instead of 0.
974         (expand_errno_check): Use new CALL_EXPR accessors.
975         (expand_builtin_mathfn): Use new CALL_EXPR accessors and constructors.
976         Return NULL_RTX instead of 0.
977         (expand_builtin_mathfn_2): Likewise.
978         (expand_builtin_mathfn_3): Likewise.
979         (expand_builtin_interclass_mathfn): Likewise.
980         (expand_builtin_sincos): Likewise.
981         (expand_builtin_cexpi): Likewise.
982         (expand_builtin_int_roundingfn): Likewise.
983         (expand_builtin_int_roundingfn_2): Likewise.
984         (expand_builtin_pow): Likewise.
985         (expand_builtin_powi): Likewise.
986         (expand_builtin_strlen): Pass entire CALL_EXPR as parameter instead
987         of arglist, fixing callers appropriately.  Use new CALL_EXPR
988         accessors and constructors.  Return NULL_RTX instead of 0.
989         (expand_builtin_strstr): Likewise.
990         (expand_builtin_strchr): Likewise.
991         (expand_builtin_strrchr): Likewise.
992         (expand_builtin_strpbrk): Likewise.
993         (expand_builtin_memcpy): Likewise.
994         (expand_builtin_mempcpy): Likewise.
995         (expand_builtin_mempcpy_args): New.
996         (expand_builtin_memmove): Similarly to expand_builtin_mempcpy.
997         (expand_builtin_memmove_args): New.
998         (expand_builtin_bcopy): Similarly to expand_builtin_mempcpy.
999         (expand_movstr): Likewise.
1000         (expand_builtin_strcpy): Likewise.
1001         (expand_builtin_strcpy_args): New.
1002         (expand_builtin_stpcpy): Similarly to expand_builtin_strcpy.
1003         (expand_builtin_strncpy): Likewise.
1004         (expand_builtin_memset): Likewise.
1005         (expand_builtin_memset_args): New.
1006         (expand_builtin_bzero): Similarly to expand_builtin_memset.
1007         (expand_builtin_memcmp): Likewise.
1008         (expand_builtin_strcmp): Likewise.
1009         (expand_builtin_strncmp): Likewise.
1010         (expand_builtin_strcat): Likewise.
1011         (expand_builtin_strncat): Likewise.
1012         (expand_builtin_strspn): Likewise.
1013         (expand_builtin_strcspn): Likewise.
1014         (expand_builtin_args_info): Likewise.
1015         (expand_builtin_va_start): Likewise.
1016         (gimplify_va_arg_expr): Likewise.
1017         (expand_builtin_va_end): Likewise.
1018         (expand_builtin_va_copy): Likewise.
1019         (expand_builtin_frame_address): Likewise.
1020         (expand_builtin_alloca): Likewise.
1021         (expand_builtin_bswap): Likewise.
1022         (expand_builtin_unop): Likewise.
1023         (expand_builtin_fputs): Likewise.
1024         (expand_builtin_expect): Likewise.
1025         (expand_builtin_fabs): Likewise.
1026         (expand_builtin_copysign): Likewise.
1027         (expand_builtin_printf): Likewise.
1028         (expand_builtin_fprintf): Likewise.
1029         (expand_builtin_sprintf): Likewise.
1030         (expand_builtin_init_trampoline): Likewise.
1031         (expand_builtin_signbit): Likewise.
1032         (expand_builtin_fork_or_exec): Likewise.
1033         (expand_builtin_sync_operation): Likewise.
1034         (expand_builtin_compare_and_swap): Likewise.
1035         (expand_builtin_lock_test_and_set): Likewise.
1036         (expand_builtin_lock_release): Likewise.
1037         (expand_builtin): Likewise.
1038         (builtin_mathfn_code): Likewise.
1040         (fold_builtin_constant_p): Pass call arguments individually instead
1041         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
1042         accessors and constructors.  Return NULL_TREE instead of 0.
1043         (fold_builtin_expect): Likewise.
1044         (fold_builtin_classify_type): Likewise.
1045         (fold_builtin_strlen): Likewise.
1046         (fold_builtin_nan): Likewise.
1047         (integer_valued_real_p): Likewise.
1048         (fold_trunc_transparent_mathfn): Likewise.
1049         (fold_fixed_mathfn): Likewise.
1050         (fold_builtin_cabs): Likewise.
1051         (fold_builtin_sqrt): Likewise.
1052         (fold_builtin_cbrt): Likewise.
1053         (fold_builtin_cos): Likewise.
1054         (fold_builtin_cosh): Likewise.
1055         (fold_builtin_tan): Likewise.
1056         (fold_builtin_sincos): Likewise.
1057         (fold_builtin_cexp): Likewise.
1058         (fold_builtin_trunc): Likewise.
1059         (fold_builtin_floor): Likewise.
1060         (fold_builtin_ceil): Likewise.
1061         (fold_builtin_round): Likewise.
1062         (fold_builtin_int_roundingfn): Likewise.
1063         (fold_builtin_bitop): Likewise.
1064         (fold_builtin_bswap): Likewise.
1065         (fold_builtin_logarithm): Likewise.
1066         (fold_builtin_hypot): Likewise.
1067         (fold_builtin_pow): Likewise.
1068         (fold_builtin_powi): Likewise.
1069         (fold_builtin_exponent): Likewise.
1070         (fold_builtin_memset): Likewise.
1071         (fold_builtin_bzero): Likewise.
1072         (fold_builtin_memory_op): Likewise.
1073         (fold_builtin_bcopy): Deleted; call site changed to invoke
1074         fold_builtin_memory_op directly.
1075         (fold_builtin_strcpy): Similarly as for fold_builtin_memory_op.
1076         (fold_builtin_strncpy): Likewise.
1077         (fold_builtin_memcmp): Likewise.
1078         (fold_builtin_strcmp): Likewise.
1079         (fold_builtin_strncmp): Likewise.
1080         (fold_builtin_signbit): Likewise.
1081         (fold_builtin_copysign): Likewise.
1082         (fold_builtin_isascii): Likewise.
1083         (fold_builtin_toascii): Likewise.
1084         (fold_builtin_isdigit): Likewise.
1085         (fold_builtin_fabs): Likewise.
1086         (fold_builtin_abs): Likewise.
1087         (fold_builtin_fmin_fmax): Likewise.
1088         (fold_builtin_carg): Likewise.
1089         (fold_builtin_classify): Likewise.
1090         (fold_builtin_unordered_cmp): Likewise.
1092         (fold_builtin_0, fold_builtin_2, fold_builtin_3, fold_builtin_4):
1093         New functions split out from fold_builtin_1.
1094         (fold_builtin_n): New.
1095         (fold_builtin_varargs): New.
1096         (fold_builtin): Deleted.  Most callers changed to use fold_call_expr
1097         instead.
1098         (fold_call_expr): New.
1099         (build_function_call_expr): Rewrite to use new helper function.
1100         (fold_builtin_call_list): New.
1101         (build_call_expr): New.
1102         (fold_builtin_call_valist): New.
1103         (rewrite_call_expr): New.
1104         (validate_arg): New.
1105         (validate_arglist): Change parameter to be entire CALL_EXPR instead
1106         of an arglist.  Change return type to bool.  Use new CALL_EXPR
1107         accessors.
1109         (fold_builtin_strstr):  Pass call arguments individually instead
1110         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
1111         accessors and constructors.  Return NULL_TREE instead of 0.
1112         (fold_builtin_strchr): Likewise.
1113         (fold_builtin_strrchr): Likewise.
1114         (fold_builtin_strpbrk): Likewise.
1115         (fold_builtin_strcat): Likewise.
1116         (fold_builtin_strncat): Likewise.
1117         (fold_builtin_strspn): Likewise.
1118         (fold_builtin_strcspn): Likewise.
1119         (fold_builtin_fputs): Likewise.
1120         (fold_builtin_next_arg): Likewise.
1121         (fold_builtin_sprintf): Likewise.
1123         (expand_builtin_object_size): Use new CALL_EXPR accessors.  Use
1124         NULL_RTX instead of 0.
1125         (expand_builtin_memory_chk): Likewise.
1126         (maybe_emit_chk_warning): Likewise.
1127         (maybe_emit_sprintf_chk_warning): Likewise.
1129         (fold_builtin_object_size): Pass call arguments individually instead
1130         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
1131         accessors and constructors.  Return NULL_TREE instead of 0.
1132         (fold_builtin_memory_chk): Likewise.
1133         (fold_builtin_stxcpy_chk): Likewise.
1134         (fold_builtin_strncpy_chk): Likewise.
1135         (fold_builtin_strcat_chk): Likewise.
1136         (fold_builtin_strcat_chk): Likewise.
1137         (fold_builtin_strncat_chk): Likewise.
1138         (fold_builtin_sprintf_chk): Likewise.
1139         (fold_builtin_snprintf_chk): Likewise.
1140         (fold_builtin_printf): Likewise.
1141         (fold_builtin_vprintf): Likewise.
1143         * fold-const.c (negate_expr_p): Use new CALL_EXPR accessors and
1144         constructors.
1145         (operand_equal_p): Add separate tcc_vl_exp/CALL_EXPR case.
1146         (make_range): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1147         (extract_muldiv_1): Add VL_EXP_CLASS_P case.
1148         (fold_mathfn_compare): Use new CALL_EXPR accessors and constructors.
1149         (fold_unary): Likewise.
1150         (fold_binary): Likewise.
1151         (fold_ternary): Remove CALL_EXPR case, since they are no longer
1152         ternary expressions.
1153         (fold): Add logic for tcc_vl_exp.
1154         (fold_checksum_tree):  Make it know about tcc_vl_exp.  Use
1155         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1156         (fold_build3_stat): Add assertion to flag broken interface for
1157         constructing CALL_EXPRs.
1158         (fold_build_call_list): New.
1159         (fold_build_call_list_initializer): New.
1160         (tree_expr_nonnegative_p): Use new CALL_EXPR accessors and
1161         constructors.
1162         (fold_strip_sign_ops): Likewise.
1164 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
1165             Brooks Moses  <brooks.moses@codesourcery.com>
1166             Lee Millward  <lee.millward@codesourcery.com>
1168         * tree-dump.c (dequeue_and_dump) <CALL_EXPR>: Use new CALL_EXPR
1169         accessors and dump arguments explicitly.
1171         * tree-pretty-print.c (do_niy): Use TREE_OPERAND_LENGTH instead of
1172         TREE_CODE_LENGTH.
1173         (dump_generic_node): Use new CALL_EXPR accessors and walk arguments
1174         explicitly.
1175         (print_call_name): Use new CALL_EXPR accessors.
1177         * print-tree.c (print_node): Add case tcc_vl_exp.  Print
1178         CALL_EXPR arguments explicitly instead of as a list.  Use
1179         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1181         * tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors.
1182         (vrp_visit_stmt): Likewise.
1184         * tree-ssa-loop-im.c (outermost_invariant_loop_expr):  Make it
1185         know about tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of
1186         TREE_CODE_LENGTH.
1187         (force_move_till_expr): Likewise.
1189         * targhooks.c (default_external_stack_protect_fail): Use
1190         build_call_expr instead of build_function_call_expr.
1191         (default_hidden_stack_protect_fail): Likewise.
1193         * tree-complex.c (expand_complex_libcall): Use build_call_expr to
1194         build the call.
1196         * cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors
1197         and walk arguments explicitly.
1199         * tree-ssa-loop-niter.c (simplify_replace_tree): Use
1200         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1201         (expand_simple_operations): Likewise.
1202         (infer_loop_bounds_from_array): Use new CALL_EXPR accessors.
1204         * gengtype.c (adjust_field_tree_exp): Use TREE_OPERAND_LENGTH instead
1205         of TREE_CODE_LENGTH.
1206         (walk_type): Tweak walking of arrays not to blow up on CALL_EXPRs.
1208         * optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH
1209         instead of TREE_CODE_LENGTH.
1211         * value_prof.c (tree_ic): Use new CALL_EXPR accessors.
1212         (tree_ic_transform): Likewise.
1213         (interesting_stringop_to_profile_p): Pass entire CALL_EXPR as
1214         parameter instead of arglist.  Fix callers.
1215         (tree_stringop_fixed_value): Use new CALL_EXPR accessors.
1216         (tree_stringops_transform): Likewise.
1217         (tree_indirect_call_to_profile): Likewise.
1218         (tree_stringops_values_to_profile): Likewise.
1220         * tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator.
1221         (eliminate_tail_call): Likewise.
1223         * ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors.
1225         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
1226         Use TREE_OPERAND_LENGTH and generalize to handle any number of
1227         operands.
1228         (instantiate_parameters_1): Can't handle tcc_vl_exp here.
1230         * omp-low.c (build_omp_barrier): Use build_call_expr.
1231         (lower_rec_input_clauses): Likewise.
1232         (lower_reduction_clauses): Likewise.
1233         (expand_parallel_call): Likewise.
1234         (maybe_catch_exception): Likewise.
1235         (expand_omp_for_generic): Likewise.
1236         (expand_omp_for_static_nochunk): Likewise.
1237         (expand_omp_sections): Likewise.
1238         (lower_omp_single_simple): Likewise.
1239         (lower_omp_single_copy): Likewise.
1240         (lower_omp_master): Likewise.
1241         (lower_omp_ordered): Likewise.
1242         (lower_omp_critical): Likewise.
1244         * ipa-reference.c (check-call): Use new CALL_EXPR iterator.
1245         (scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR.
1247         * tree-gimple.c (is_gimple_call_addr): Fix doc.
1248         (recalculate_side_effects): Use TREE_OPERAND_LENGTH instead of
1249         TREE_CODE_LENGTH.  Add tcc_vl_exp case.
1251         * tree-chrec.c (chrec_contains_symbols): Use TREE_OPERAND_LENGTH
1252         and generalize to handle any number of operands.
1253         (chrec_contains_undetermined): Likewise.
1254         (tree_contains_chrecs): Likewise.
1255         (evolution_function_is_invariant_rec_p): Use TREE_OPERAND_LENGTH.
1257         * cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors.
1259         * tree-ssa-ccp.c (ccp_fold): Use new CALL_EXPR accessors.  Use
1260         fold_call_expr instead of fold_builtin.
1261         (ccp_fold_builtin): Likewise.  Update calls into builtins.c to
1262         match declarations there.
1263         (fold_stmt): Use new CALL_EXPR constructor and accessors.  Doc
1264         updates.
1266         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use
1267         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1269         * ipa-pure-const.c (check_call): Use new CALL_EXPR accessors.
1270         (scan_function): Add case tcc_vl_exp for CALL_EXPR.
1272         * tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR
1273         accessors.
1275         * tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr.
1276         (execute_cse_sincos): Use new CALL_EXPR accessors.
1278         * tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator.
1280         * gimple-low.c (lower_function_body): Use build_call_expr.
1281         (lower_builtin_setjmp): Likewise.
1283         * expr.c (emit_block_move_via_libcall): Use build_call_expr.
1284         (set_storage_via_libcall): Likewise.
1285         (safe_from_p): Add tcc_vl_exp case.  Use TREE_OPERAND_LENGTH
1286         instead of TREE_CODE_LENGTH.
1287         (expand_expr_real_1): Use new CALL_EXPR accessors.
1289         * tree-browser.c (store_child_info): Use TREE_OPERAND_LENGTH and
1290         generalize to handle any number of operands.
1291         (TB_parent_eq): Likewise.
1293         * predict.c (expr_expected_value): Use new CALL_EXPR accessors.
1294         (strip_builtin_expect): Likewise.
1296         * function.c (gimplify_parameters): Use build_call_expr.
1298         * tree-vectorizer.c (vect_is_simple_reduction): Use TREE_OPERAND_LENGTH
1299         instead of TREE_CODE_LENGTH.
1301         * ipa-type-escape.c (check_call): Use new CALL_EXPR iterators.
1302         (scan_for_refs): Add case tcc_vl_exp for CALL_EXPR.
1304         * tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR
1305         iterators.
1307         * gimplify.c (build_stack_save_restore): Use build_call_expr.
1308         (gimplify_decl_expr): Likewise.
1309         (gimplify_call_expr): Use fold_call_expr instead of fold_builtin.
1310         Use new CALL_EXPR iterators.
1311         (gimplify_modify_expr_to_memcpy): Use build_call_expr.
1312         (gimplify_modify_expr_to_memset): Likewise.
1313         (gimplify_variable_sized_compare): Likewise.
1314         (gimplify_omp_atomic_fetch_op): Likewise.
1315         (gimplify_omp_atomic_pipeline): Likewise.
1316         (gimplify_omp_atomic_mutex): Likewise.
1317         (gimplify_function_tree): Likewise.
1319         * calls.c (alloca_call_p): Use new CALL_EXPR accessors.
1320         (call_expr_flags): Likewise.
1321         (expand_call): Likewise.
1323         * except.c (expand_builtin_eh_return_data_regno): Pass entire
1324         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
1325         accessors.
1327         * coverage.c (create_coverage): Use build_call_expr.
1329         * tree-ssa-pre.c (expression_node_pool, list_node_pool): Delete.
1330         (temp_call_expr_obstack): New.
1331         (pool_copy_list): Delete.
1332         (temp_copy_call_expr): New.
1333         (phi_translate): Add case tcc_vl_exp for CALL_EXPR.  Use new
1334         CALL_EXPR accessors.  Get rid of special goo for copying argument
1335         lists and use temp_copy_call_expr instead.
1336         (valid_in_sets): Add case tcc_vl_exp for CALL_EXPR.  Use new
1337         CALL_EXPR accessors.
1338         (create_expression_by_pieces): Likewise.  Use build_call_array
1339         to construct the result instead of fold_build3.
1340         (create_value_expr_from): Add tcc_vl_exp.  Delete special goo for
1341         dealing with argument lists.
1342         (init_pre): Remove references to expression_node_pool and
1343         list_node_pool.  Init temp_call_expr_obstack instead.
1344         (fini_pre): Remove references to expression_node_pool and
1345         list_node_pool.
1347         * tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors
1348         and walk arguments explicitly instead of as a list.
1350         * tree-mudflap.c (mf_build_check_statement_for): Use build_call_expr.
1351         (mx_register_decls): Likewise.
1352         (mudflap_register_call): Likewise.
1353         (mudflap_finish_file): Likewise.
1355         * ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors.
1356         (ipa_callsite_compute_param): Likewise.
1358         * tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR
1359         accessors and constructor.
1361         * tree-nested.c (convert_nl_goto_reference): Use new CALL_EXPR
1362         accessors and constructor.
1363         (convert_tramp_reference): Likewise.
1364         (convert_call_expr): Likewise.
1365         (finalize_nesting_tree_1): Likewise.
1367         * tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR
1368         accessors.
1370         * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr.
1372         * tree-inline.c (initialize_inlined_parameters): Pass entire
1373         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
1374         accessors.
1375         (estimate_num_insns_1): Use new CALL_EXPR accessors.
1376         (expand_call_inline): Tidy up call to initialize_inlined_parameters.
1378         * tree-vect-transform.c (vect_create_epilog_for_reduction):  Use
1379         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1380         (vectorizable_reduction): Likewise.
1381         (vectorizable_call): Use new CALL_EXPR iterators.
1382         (vectorizable_conversion): Use build_call_expr.
1383         (vectorizable_operation): Use TREE_OPERAND_LENGTH.
1384         (vect_gen_widened_results_half): Use build_call_expr.
1385         (vect_setup_realignment): Likewise.
1386         (vectorizable_live_operation): Use TREE_OPERAND_LENGTH.
1388         * tree-object-size.c (alloc_object_size): Use new CALL_EXPR accessors.
1389         (pass_through_call): Likewise.
1390         (compute_object_sizes): Likewise.  Use fold_call_expr instead of
1391         fold_builtin.
1393         * tree-profile.c (tree_gen_interval_profiler): Use build_call_expr.
1394         (tree_gen_pow2_profiler): Likewise.
1395         (tree_gen_one_value_profiler): Likewise.
1396         (tree_gen_ic_func_profiler): Likewise.
1397         (tree_gen_average_profiler): Likewise.
1398         (tree_gen_ior_profiler): Likewise.
1400         * tree-ssa-structalias.c (get_constraint_for): Add case tcc_vl_exp.
1401         (find_func_aliases): Use new CALL_EXPR accessors.  Add case
1402         tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1404         * tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead
1405         of TREE_CODE_LENGTH.
1407         * stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead
1408         of TREE_CODE_LENGTH.
1410         * convert.c (convert_to_real): Use new CALL_EXPR accessors and
1411         constructor.
1412         (convert_to_integer): Likewise.
1414         * tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR
1415         accessors.
1417 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
1418             Brooks Moses  <brooks.moses@codesourcery.com>
1419             Lee Millward  <lee.millward@codesourcery.com>
1421         * config/alpha/alpha.c (alpha_expand_builtin): Use new CALL_EXPR
1422         accessors.
1423         * config/frv/frv.c (frv_expand_builtin): Likewise.
1424         * config/s390/s390.c (s390_expand_builtin): Likewise.
1426         * config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr.
1427         (sparc_expand_builtin): Use new CALL_EXPR accessors.
1429         * config/i386/i386.c (ix86_function_ok_for_sibcall): Likewise.
1430         (ix86_expand_binop_builtin): Pass entire CALL_EXPR as parameter
1431         instead of arglist.  Use new CALL_EXPR accessors on it.  Fix callers.
1432         (ix86_expand_store_builtin): Likewise.
1433         (ix86_expand_unop_builtin): Likewise.
1434         (ix86_expand_unop1_builtin): Likewise.
1435         (ix86_expand_sse_compare): Likewise.
1436         (ix86_expand_sse_comi): Likewise.
1437         (ix86_expand_vec_init_builtin): Likewise.
1438         (ix86_expand_vec_ext_builtin): Likewise.
1439         (ix86_expand_vec_set_builtin): Likewise.
1440         (ix86_expand_builtin): Use new CALL_EXPR accessors.
1442         * config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors.
1443         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
1445         * config/iq2000/iq2000.c (expand_one_builtin): Pass entire CALL_EXPR
1446         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
1447         (iq2000_expand_builtin): Use new CALL_EXPR accessors.
1449         * config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Use
1450         build_call_expr.
1451         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
1452         (rs6000_expand_unop_builtin): Pass entire CALL_EXPR instead of
1453         arglist.  Use new CALL_EXPR accessors.  Fix callers.
1454         (altivec_expand_abs_builtin): Likewise.
1455         (rs6000_expand_binop_builtin): Likewise.
1456         (altivec_expand_predicate_builtin): Likewise.
1457         (altivec_expand_lv_builtin): Likewise.
1458         (spe_expand_stv_builtin): Likewise.
1459         (altivec_expand_stv_builtin): Likewise.
1460         (rs6000_expand_ternop_builtin): Likewise.
1461         (altivec_expand_ld_builtin): Use new CALL_EXPR accessors.
1462         (altivec_expand_st_builtin): Likewise.
1463         (altivec_expand_dst_builtin): Likewise.
1464         (altivec_expand_vec_init_builtin): Pass entire CALL_EXPR instead of
1465         arglist.  Use new CALL_EXPR accessors.  Fix callers.
1466         (altivec_expand_vec_set_builtin): Likewise.
1467         (altivec_expand_vec_ext_builtin): Likewise.
1468         (altivec_expand_builtin): Use new CALL_EXPR accessors.
1469         (spe_expand_builtin): Likewise.
1470         (spe_expand_predicate_builtin): Pass entire CALL_EXPR instead of
1471         arglist.  Use new CALL_EXPR accessors.  Fix callers.
1472         (spe_expand_evsel_builtin): Likewise.
1473         (rs6000_expand_builtin): Use new CALL_EXPR accessors.  VCFUX and
1474         FCFSX cases must construct whole new CALL_EXPR, not just arglist.
1476         * config/arm/arm.c (arm_expand_binop_builtin): Pass entire CALL_EXPR
1477         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
1478         (arm_expand_unop_builtin): Likewise.
1479         (arm_expand_builtin): Use new CALL_EXPR accessors.
1481         * config/mips/mips.c (mips_expand_builtin):  Use new CALL_EXPR
1482         accessors.
1484         * config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire CALL_EXPR
1485         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
1486         (bfin_expand_unop_builtin): Likewise.
1487         (bfin_expand_builtin): Use new CALL_EXPR accessors.
1489 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
1490             Brooks Moses  <brooks.moses@codesourcery.com>
1491             Lee Millward  <lee.millward@codesourcery.com>
1493         * c-semantics.c (build_stmt): Add internal diagnostic check.
1495         * c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR
1496         accessors.  Print arguments explicitly instead of as a list.
1498         * c-typeck.c (build_function_call): Use new CALL_EXPR constructors.
1500         * c-omp.c (c_finish_omp_barrier): Use build_call_expr.
1501         (c_finish_omp_flish): Likewise.
1503         * c-common.c (verify_tree): Use new CALL_EXPR accessors.  Traverse
1504         arguments explicitly instead of as a list.  Use TREE_OPERAND_LENGTH
1505         instead of TREE_CODE_LENGTH.
1506         (check_function_arguments_recurse): Use new CALL_EXPR accessors.
1507         (c_warn_unused_result): Likewise.
1509 2007-02-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1511         PR c/26494
1512         * doc/invoke.texi (Warning Options): Remove
1513         -Werror-implicit-function-declaration.
1514         (Wimplicit-function-declaration): Update description.
1515         * opts.c (common_handle_option): Move handling of -Werror=* to...
1516         (enable_warning_as_error): ...here.
1517         * opts.h (enable_warning_as_error): Declare.
1518         * c-decl.c (implicit_decl_warning): Unless
1519         -Wno-implicit-function-declaration is given, emit a pedwarn if
1520         -std=c99 or emit a warning if -Wimplicit-function-declaration.
1521         * c.opt (Wimplicit-function-declaration): Replace
1522         mesg_implicit_function_declaration with
1523         warn_implicit_function_declaration.
1524         * c-opts.c (c_common_handle_option):
1525         -Werror-implicit-function-declaration is exactly equal as
1526         -Werror=implicit-function-declaration.
1527         (set_Wimplicit): Replace mesg_implicit_function_declaration with
1528         warn_implicit_function_declaration.
1529         (c_common_post_options): -Wimplict-function-declaration is enabled
1530         by default by -std=c99, otherwise is disabled by default.
1531         * c-objc-common.c (c_objc_common_init): Remove flawed logic.
1533 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
1535         * gimplify.c (gimplify_modify_expr): During gimplification, attach a
1536         DECL on the rhs to a DECL on the lhs for debug info purposes if the
1537         former is ignored but not the latter.
1539 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
1541         * expr.c (expand_expr_real_1) <normal_inner_ref>: If a temporary
1542         is made and the reference doesn't use the alias set of its type,
1543         do not create the temporary using that type.
1545 2007-02-15  Aldy Hernandez  <aldyh@redhat.com>
1547         * jump.c: Remove prototypes for delete_computation and
1548         delete_prior_computation.
1550 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
1552         * jump.c (get_label_after): Delete.
1553         (get_label_before, delete_computation, delete_jump,
1554         delete_prior_computation, follow_jumps): Move...
1555         * reorg.c (delete_computation, delete_prior_computation): ... here...
1556         (get_label_before, delete_jump): ... making these static ...
1557         (follow_jumps): ... and simplifying this since it only runs after
1558         reload.
1559         * rtl.h (get_label_after, get_label_before, delete_jump,
1560         follow_jumps): Delete prototypes.
1562 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
1564         * caller-save.c (save_call_clobbered_regs): Do not process sibcalls.
1566 2007-02-15  Nick Clifton  <nickc@redhat.com>
1568         * varasm.c (default_asm_output_anchor): Prepend * to . symbol in
1569         order to prevent it from being munged by the target.
1571 2007-02-15  Uros Bizjak  <ubizjak@gmail.com>
1573         * config/i386/i386.md: Remove misleading comment.
1575 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1577         * config/frv/frv.md (reload_incc, reload_outcc, reload_incc_uns,
1578         reload_outcc_uns, reload_incc_nz, reload_outcc_nz): Remove
1579         invalid patterns.
1581 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1583         * tree-sra.c (instantiate_missing_elements): Canonicalize
1584         bit-field types.
1585         (sra_build_assignment): New.
1586         (generate_copy_inout, generate_element_copy,
1587         generate_element_zero, generate_one_element_init): Use it.
1589 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1591         * tree-sra.c (instantiate_missing_elements): Canonicalize
1592         bit-field types.
1593         (sra_build_assignment): New.
1594         (generate_copy_inout, generate_element_copy,
1595         generate_element_zero, generate_one_element_init): Use it.
1597 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1599         * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
1600         limbo die nodes.
1602 2007-02-14  Joseph Myers  <joseph@codesourcery.com>
1604         * emit-rtl.c (set_mem_attributes_minus_bitpos): Treat complex
1605         types as aggregates not scalars.
1606         * function.c (assign_stack_temp_for_type): Likewise.
1608 2007-02-14  Roger Sayle  <roger@eyesopen.com>
1609             Zdenek Dvorak  <dvorakz@suse.cz>
1611         * tree-dump.c (dump_switch_p_1): Require exact match of the option
1612         name.
1614 2007-02-14  Zdenek Dvorak  <dvorakz@suse.cz>
1616         * passes.c (next_pass_1): Clear the next field of the copied
1617         pass structure.
1619 2007-02-14  Richard Henderson  <rth@redhat.com>
1621         * tree-sra.c (early_sra): New.
1622         (decl_can_be_decomposed_p): Deny va_list if early_sra.
1623         (tree_sra_early, pass_sra_early): New.
1624         * tree-pass.h (pass_sra_early): Declare.
1625         * passes.c (init_optimization_passes): Use it.
1627 2007-02-14  Richard Guenther  <rguenther@suse.de>
1629         * flags.h (issue_strict_overflow_warning): Convert to a macro.
1631 2007-02-14  Dorit Nuzman  <dorit@il.ibm.com>
1633          PR tree-optimization/30771
1634         * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse
1635         also phi nodes.
1636         (vect_analyze_operations): Induction phis can now be marked as
1637         used_in_loop.
1638         (vect_mark_stmts_to_be_vectorized): No special treatment for phis.
1639         Update documentation accordingly.
1641 2007-02-14  Nick Clifton  <nickc@redhat.com>
1643         * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at
1644         most 3 arguments are supported.
1645         (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description.
1647 2007-02-13  Seongbae Park <seongbae.park@gmail.com>
1649         * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor):
1650         Ensure dst->current is valid.
1652 2007-02-13  Paul Brook  <paul@codesourcery.com>
1654         * config.gcc: Add arm*-*-uclinux-*eabi.
1655         * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define.
1656         (SUBTARGET_EXTRA_LINK_SPEC): Define.
1657         (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling.
1658         (LINK_GCC_C_SEQUENCE_SPEC): Undef.
1659         (LINK_SPEC): Define.
1660         (LIB_SPEC): Define.
1661         * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC
1662         register.
1663         * config/arm/uclinux-eabi.h: New file.
1664         * config/arm/linux-eabi.h (WCHAR_TYPE): Remove.
1665         * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS
1666         based targets.
1668 2007-02-13  Ian Lance Taylor  <iant@google.com>
1670         * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
1671         * flags.h (warn_strict_overflow): Declare.
1672         (enum warn_strict_overflow_code): Define.
1673         (issue_strict_overflow_warning): New static inline function.
1674         * opts.c (warn_strict_overflow): New variable.
1675         (common_handle_option): Handle OPT_Wstrict_overflow and
1676         OPT_Wstrict_overflow_.
1677         * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
1678         OPT_Wall.
1679         * fold-const.c: Include intl.h.
1680         (fold_deferring_overflow_warnings): New static variable.
1681         (fold_deferred_overflow_warning): New static variable.
1682         (fold_deferred_overflow_code): New static variable.
1683         (fold_defer_overflow_warnings): New function.
1684         (fold_undefer_overflow_warnings): New function.
1685         (fold_undefer_and_ignore_overflow_warnings): New function.
1686         (fold_deferring_overflow_warnings_p): New function.
1687         (fold_overflow_warning): New static function.
1688         (make_range): Add strict_overflow_p parameter.  Change all
1689         callers.
1690         (extract_muldiv, extract_muldiv_1): Likewise.
1691         (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
1692         tree_expr_nonnegative_p.
1693         (fold_negate_expr): Call fold_overflow_warning.
1694         (fold_range_test): Likewise.
1695         (fold_comparison): Likewise.
1696         (fold_binary): Likewise.  Call tree_expr_nonnegative_warnv_p
1697         instead of tree_expr_nonnegative_p.
1698         (tree_expr_nonnegative_warnv_p): Rename from
1699         tree_expr_nonnegative_p, add strict_overflow_p parameter.
1700         (tree_expr_nonnegative_p): New function.
1701         (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
1702         strict_overflow_p parameter.
1703         (tree_expr_nonzero_p): New function.
1704         * passes.c (verify_interpass_invariants): New static function.
1705         (execute_one_pass): Call it.
1706         * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
1707         warnings.
1708         (number_of_iterations_exit, loop_niter_by_eval): Likewise.
1709         (estimate_numbers_of_iterations): Likewise.
1710         (scev_probably_wraps_p): Likewise.
1711         * tree-ssa-ccp.c: Include "toplev.h".
1712         (evaluate_stmt): Defer fold overflow warnings until we know we are
1713         going to optimize.
1714         (struct fold_stmt_r_data): Add stmt field.
1715         (fold_stmt_r): Defer fold overflow warnings until we know we
1716         optimized.
1717         (fold_stmt): Initialize stmt field of fold_stmt_r_data.
1718         (fold_stmt_inplace): Likewise.
1719         * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
1720         (cleanup_control_expr_graph): Defer fold overflow warnings until
1721         we know we are going to optimize.
1722         * tree-cfg.c (fold_cond_expr_cond): Likewise.
1723         * tree-ssa-threadedge.c (simplify_control_stmt_condition):
1724         Likewise.
1725         * tree-vrp.c (vrp_expr_computes_nonnegative): Call
1726         tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
1727         * tree-ssa-loop-manip.c (create_iv): Likewise.
1728         * c-typeck.c (build_conditional_expr): Likewise.
1729         (build_binary_op): Likewise.
1730         * tree-vrp.c (vrp_expr_computes_nonzero): Call
1731         tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
1732         (extract_range_from_unary_expr): Likewise.
1733         * simplify-rtx.c (simplify_const_relational_operation): Warn when
1734         assuming that signed overflow does not occur.
1735         * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
1736         * tree.h (tree_expr_nonnegative_warnv_p): Declare.
1737         (fold_defer_overflow_warnings): Declare.
1738         (fold_undefer_overflow_warnings): Declare.
1739         (fold_undefer_and_ignore_overflow_warnings): Declare.
1740         (fold_deferring_overflow_warnings_p): Declare.
1741         (tree_expr_nonzero_warnv_p): Declare.
1742         * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
1743         of warning options.
1744         (Warning Options): Document -Wstrict-overflow.
1745         * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
1746         (tree-ssa-ccp.o): Likewise.
1747         (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
1748         (fold-const.o): Depend on intl.h.
1750 2007-02-13  Ian Lance Taylor  <iant@google.com>
1752         PR middle-end/30751
1753         * lower-subreg.c (resolve_simple_move): Decompose subregs in
1754         addresses.
1756 2007-02-13  Stuart Hastings  <stuart@apple.com>
1758         * gcc/config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
1760 2007-02-13  Richard Henderson  <rth@redhat.com>
1762         * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
1763         handled_component_p before looking for the indirect_ref.
1765 2007-02-13  Richard Henderson  <rth@redhat.com>
1767         * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
1768         remove flags clobber.
1769         (bswapsi2): New expander, emit code for !TARGET_BSWAP.
1770         (bswaphi_lowpart): New.
1771         (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
1772         remove TARGET_BSWAP test.  Delete expander of the same name.
1774         * optabs.c (widen_bswap, expand_doubleword_bswap): New.
1775         (expand_unop): Use them.
1777 2007-02-13  Uros Bizjak  <ubizjak@gmail.com>
1779         * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1,
1780         *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
1781         *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
1782         *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
1783         *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
1784         *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
1785         *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
1786         assembler dialect choice from asm templates.
1788 2007-02-12  Richard Henderson  <rth@redhat.com>
1790         * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
1791         (fixuns_trunc<SSEMODEF>si2): Use it.
1792         * config/i386/sse.md (vec_setv4sf_0): Export.
1793         * config/i386/i386.c (ix86_build_const_vector): Export.
1794         (ix86_split_convert_uns_si_sse): Rename from
1795         ix86_expand_convert_uns_si_sse and rewrite as a splitter.
1796         * config/i386/i386-protos.h: Update.
1798 2007-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1800         PR c/29521
1801         * c-typeck.c (c_finish_return): Improve warning message.
1803 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1805         * alias.c (find_symbolic_term): Delete unused function.
1807 2007-02-12  Uros Bizjak  <ubizjak@gmail.com>
1809         * config/i386/i386.md (paritydi2, paritysi2): New expanders.
1810         (paritydi2_cmp, paritydi2_cmp): New insn and split patterns.
1811         (*parityhi2_cmp, *parityqi2_cmp): New insn patterns.
1813 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
1815         * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
1816         * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
1817         the function, temporarily point the debug interface to the null one.
1819 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
1821         * dwarf2out.c (round_up_to_align): New static function.
1822         (field_byte_offset): Use it to round the offset.
1824 2007-02-12  Richard Henderson  <rth@redhat.com>
1826         * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
1827         (inswl_const): Export.
1829 2007-02-12  Richard Henderson  <rth@redhat.com>
1831         * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
1832         result mode of the libcall, convert back to outmode.
1834 2007-02-12  Roger Sayle  <roger@eyesopen.com>
1836         * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
1837         (bswapdi2): New define_expand to implement 32-bit implementation.
1839 2007-02-12  Nick Clifton  <nickc@redhat.com>
1841         * doc/invoke.texi (Overall Options): Document --help=.
1842         * gcc.c (target_help_flag): Rename to print_subprocess_flag.
1843         (cc1_options): Pass --help= on to cc1.
1844         (display_help): Add description of --help=.
1845         (process_command): Add code to handle --help=.  Allow translated
1846         --help and --target-help switches to be passed on to compiler
1847         sub-process.
1848         (main): Remove unused if statement.
1849         * opts.c (columns): Remove.
1850         (LEFT_COLUMN): Define.
1851         (wrap_help): Add columns argument.
1852         (print_filtered_help): Change parameters to be an include bitmask,
1853         an exclude bitmask, an any bitmask and the column width.  Move the
1854         code to display the params list here.  Add code to display the
1855         status of options rather than their descriptions if the quiet flag
1856         is not active.
1857         (print_specific_help): Change parameters to be an include bitmask,
1858         an exclude bitmask and an any bitmask.  Move code to look up the
1859         column width here.  Decide upon the title for an options listing.
1860         (common_handle_options): Add code to handle --help=.  Adapt code
1861         for --help and --target-help to use the revised form of the
1862         print_specific_help function.
1863         (print_help): Delete.
1864         (print_param_help): Delete.
1865         (print_switch): Delete.
1866         * opts.h (cl_lang_count): Add prototype.
1867         (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
1868         CL_MAX_OPTION_CLASS): New defines.
1869         * optc-gen.awk: Add construction of cl_lang_count.
1870         * c.opt: Add Warning attribute to warning options and Optimization
1871         attribute to optimization options.
1872         * common.opt: Likewise.
1873         Add --help=.
1874         Add -fhelp and -ftarget-help as aliases for the transformed --help
1875         and --target-help options.
1876         * opt-functions.awk: Add code to handle Warning and Optimization
1877         attributes.
1879 2007-02-12  Richard Henderson  <rth@redhat.com>
1881         * config/alpha/constraints.md: New file.
1882         * config/alpha/alpha.c: Include tm-constrs.h.
1883         (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
1884         alpha_extra_constraint): Remove.
1885         (alpha_emit_conditional_branch): Use satisfies_constraint_*.
1886         * config/alpha/alpha-protos.h: Update.
1887         * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
1888         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
1889         (EXTRA_CONSTRAINT): Remove.
1890         * config/alpha/alpha.md: Include constraints.md.
1891         (adddi splitter): Use satisfies_constraint_*.
1892         * config/alpha/predicates.md (add_operand): Likewise.
1893         (sext_add_operand, addition_operation): Likewise.
1895 2007-02-12  Dorit Nuzman  <dorit@il.ibm.com>
1897         PR tree-optimization/29145
1898         * tree-data-ref.c (base_addr_differ_p): Make us more conservative
1899         in our handling of restrict qualified pointers.
1901 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1903         PR middle-end/7651
1904         * doc/invoke.texi (Wunused-value): Update description.
1905         (Wextra): Delete item.
1906         * opts.c (set_Wextra): Don't use the value of Wextra to set the
1907         value of Wunused-value.
1908         * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
1909         (c_finish_stmt_expr): Don't check extra_warnings.
1910         (emit_side_effect_warnings): The caller is responsible to check
1911         warn_unused_value.
1913 2007-02-11  Roger Sayle  <roger@eyesopen.com>
1914             Matt Thomas  <matt@3am-software.com>
1916         * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
1918 2007-02-11  Roger Sayle  <roger@eyesopen.com>
1920         * simplify-rtx.c (simplify_relational_operation_1): Optimize
1921         comparisons of POPCOUNT against zero.
1922         (simplify_const_relational_operation): Likewise.
1924 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1926         * doc/invoke.texi (Wextra): Delete outdated paragraph.
1928 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1930         * dwarf2out.c (root_type): Delete unused function.
1932 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1934         * genattrtab.c (contained_in_p): Delete unused function.
1935         (write_expr_attr_cache): Likewise.
1937 2007-02-11  Jan Hubicka  <jh@suse.cz>
1939         * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
1940         previous patch.
1942 2007-02-11  Steven Bosscher  <steven@gcc.gnu.org>
1944         * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
1945         to add the REG_EQ* note.
1946         * see.c (see_merge_one_use_extension): Likewise.
1947         * local-alloc.c (update_equiv_regs): Likewise.  Also don't
1948         turn REG_EQUAL notes into REG_EQUIV notes if the target
1949         register may have more than one set.
1950         * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
1951         * gcse.c (try_replace_reg): Likewise.
1952         * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
1953         * calls.c (fixup_tail_calls): Likewise.  Abort if there is
1954         more than one REG_EQUIV note.
1955         * reload1.c (gen_reload): Use set_unique_reg_note.
1957 2007-02-11  Uros Bizjak  <ubizjak@gmail.com>
1959         * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
1960         (ix86_builtin_conversion): New function.
1962 2007-02-06  Mark Mitchell  <mark@codesourcery.com>
1964         PR target/29487
1965         * tree.h (DECL_REPLACEABLE_P): New macro.
1966         * except.c (set_nothrow_function_flags): Likewise.
1968 2007-02-11  Tehila Meyzels  <tehila@il.ibm.com>
1969             Ira Rosen  <irar@il.ibm.com>
1970             Dorit Nuzman  <dorit@il.ibm.com>
1972         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
1973         * targhooks.c (default_builtin_vectorized_conversion): New.
1974         * targhooks.h (default_builtin_vectorized_function): New declaration.
1975         * target.h (struct vectorize): Add builtin_conversion field.
1976         * tree-vectorizer.h (type_conversion_vec_info_type): New enum
1977         stmt_vec_info_type value.
1978         (vectorizable_conversion): New declaration.
1979         * tree-vect-analyze.c (vect_analyze_operations): Add
1980         vectorizable_conversion call.
1981         * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
1982         * tree-vect-transform.c (vectorizable_conversion): New function.
1983         (vect_transform_stmt): Add case for type_conversion_vec_info_type.
1984         * tree-vect-generic.c (expand_vector_operations_1): Consider correct
1985         mode.
1986         * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
1987         (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
1988         (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX
1989         or ALTIVEC_BUILTIN_VCFSX.
1991 2007-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1993         PR target/30634
1994         * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
1995         CONST_DOUBLE and operand 0 is a hard register.
1996         (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
1997         memory.  Fail if operand 1 is a non-zero CONST_INT and operand 0
1998         is a hard floating-point register.
2000 2007-02-10  Richard Henderson  <rth@redhat.com>
2001             Jakub Jelinek  <jakub@redhat.com>
2002             Alexandre Oliva  <aoliva@redhat.com>
2004         * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
2005         * builtin-types.def (BT_WORD): Make unsigned.
2006         (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
2007         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
2008         (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
2009         * c-decl.c (grokdeclarator): Don't error if !have_tls.
2010         * c-parser.c (c_parser_omp_threadprivate): Likewise.
2011         * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
2012         emulated tls.
2013         * expr.c (emutls_var_address): New.
2014         (expand_expr_real_1): Expand emulated tls.
2015         (expand_expr_addr_expr_1): Likewise.
2016         * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
2017         * output.h (emutls_finish): Declare.
2018         * toplev.c (compile_file): Call it.
2019         * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
2020         address before wrapping in CONST.
2021         * varasm.c (emutls_htab, emutls_object_type): New.
2022         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
2023         (get_emutls_object_name, get_emutls_object_type): New.
2024         (get_emutls_init_templ_addr, emutls_decl): New.
2025         (emutls_common_1, emutls_finish): New.
2026         (assemble_variable): When emulating tls, swap decls; generate
2027         constructor for the emutls objects.
2028         (do_assemble_alias): When emulating tls, swap decl and target name.
2029         (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
2030         for emulated tls.
2031         * varpool.c (decide_is_variable_needed): Look at force_output.
2032         Recurse for emulated tls.
2033         (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
2034         with decide_is_variable_needed.
2035         * emutls.c: New file.
2036         * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
2037         tls_object for real tls.
2039 2007-02-10  Kaz Kojima  <kkojima@gcc.gnu.org>
2041         PR rtl-optimization/29599
2042         * reload1.c (eliminate_regs_in_insn): Take the destination
2043         mode into account when computing the offset.
2045 2007-02-09  Stuart Hastings  <stuart@apple.com>
2046             Richard Henderson  <rth@redhat.com>
2048         * gcc/config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
2049         * gcc/config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
2050         * gcc/config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
2051         fixuns_truncdfhi2): New.
2052         (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
2053         (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
2054         (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
2055         (floatunssidf2): Allow nonimmediate source.
2056         * gcc/config/i386/sse.md (movdi_to_sse): New.
2057         (vec_concatv2di): Drop '*'.
2058         * gcc/config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
2059         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
2060         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
2061         New.
2062         * gcc/config/i386/i386.c (ix86_expand_convert_uns_si_sse,
2063         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
2064         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
2065         ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
2066         (ix86_build_signbit_mask): Fix decl of v, refactor to call
2067         ix86_build_const_vector.
2068         (x86_emit_floatuns): Rewrite.
2070 2007-02-10  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2072         * genautomata.c (longest_path_length): Delete unused function.
2073         (struct state): Delete unused longest_path_length.
2074         (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
2075         (get_free_state): Delete unused.
2077 2007-02-09  Jan Hubicka  <jh@suse.cz>
2079         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
2080         * doc/invoke.texi (inline-unit-growth): Update default value.
2082         * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
2083         * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
2084         (rebuild_cgraph_edges): Likewise.
2085         * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
2086         (dump_cgraph_node): Dump frequencies.
2087         (cgraph_clone_edge): Add frequency scales.
2088         (cgraph_clone_node): Add freuqnecy.
2089         * cgraph.h (cgraph_edge): Add freuqnecy argument.
2090         (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
2091         (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
2092         * tree-pass.h (TODO_rebuild_frequencies): New constant.
2093         * cgraphunit.c (verify_cgraph_node): Verify frequencies.
2094         (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
2095         (save_inline_function_body): Likewise.
2096         * ipa-inline.c: inluce rtl.h
2097         (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
2098         (cgraph_edge_badness): Use frequencies.
2099         (cgraph_decide_recursive_inlining): Update clonning.
2100         (cgraph_decide_inlining_of_small_function): Dump frequency.
2101         * predict.c (estimate_bb_frequencies): Export.
2102         * predict.h (estimate_bb_frequencies): Declare.
2103         * tree-inline.c (copy_bb): Watch overflows.
2104         (expand_call_inline): Update call of cgraph_create_edge.
2105         (optimize_inline_calls): Use TODO flags to update frequnecies.
2106         * passes.h: Include predict.h
2107         (init_optimization_passes): Move profile ahead.
2108         (execute_function_todo): Handle TODO_rebuild_frequencies.
2110 2007-02-09  Roger Sayle  <roger@eyesopen.com>
2112         * config/alpha/alpha.c (emit_insxl): Force the first operand of
2113         the insbl or inswl pattern into a register.
2115 2007-02-09  Roger Sayle  <roger@eyesopen.com>
2117         * config/ia64/ia64.md (bswapdi2): New define_insn.
2119 2007-02-09  Richard Henderson  <rth@redhat.com>
2121         * config/i386/constraints.md (Ym): New constraint.
2122         * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
2123         (movdi_1_rex64): Split sse and xmm general register moves from
2124         memory move alternatives.  Use conditional register constraints.
2125         (movsf_1, movdf_integer): Likewise.
2126         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
2127         (movdf_integer_rex64): New.
2128         (pushsf_rex64): Fix output constraints.
2129         * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
2130         (sse2_stored): Likewise.
2131         (sse2_storeq_rex64): New.
2132         * config/i386/i386.c (x86_inter_unit_moves): Enable for not
2133         amd and not generic.
2134         (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
2135         for optimize_size.  Remove SF/DFmode hack.
2137 2007-02-09  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
2139         * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
2140         (bit_SSE4a): New.
2142 2007-02-09  Nathan Sidwell  <nathan@codesourcery.com>
2143             Richard Sandiford  <richard@codesourcery.com>
2145         * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
2146         (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
2147         (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
2148         m68k/t-mlib to tmake_file.
2149         (m68020-*-elf*, m68k-*-elf*): Likewise.  Add t-m68kbare as well.
2150         (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
2151         (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
2152         Allow it to be cf or m68k.  Set m68k_arch_family.  If that
2153         variable is not empty, add t-$m68k_arch_family to tmake_file.
2154         Add t-mlibs to tmake_file.
2155         * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
2156         * config/m68k/t-cf: New file.
2157         * config/m68k/t-m68k: Likewise.
2158         * config/m68k/t-mlibs: Likewise.
2159         * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
2160         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
2161         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
2162         * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
2163         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
2164         Delete.
2165         * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
2166         (INSTALL_LIBGCC): Delete.
2167         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
2168         * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
2169         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
2170         (M68K_MLIB_CPU): Define.
2171         * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
2172         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
2173         (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
2175 2007-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
2176             Richard Guenther  <rguenther@suse.de>
2178         PR middle-end/23361
2179         * fold-const.c (fold_comparison): Handle obfuscated comparisons
2180         against INT_MIN/INT_MAX.
2181         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
2182         file if a loop is removed.
2184 2007-02-09  Joseph Myers  <joseph@codesourcery.com>
2186         * calls.c (store_one_arg): Pass correct alignment to
2187         emit_push_insn for non-BLKmode values.
2188         * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
2189         unaligned stack slot via a suitably aligned slot.
2191 2007-02-08  DJ Delorie  <dj@redhat.com>
2193         * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
2194         warnings.
2195         (legal_subregs): Use unsigned char, make const.
2196         (m32c_illegal_subreg_p): Use ARRAY_SIZE.  Delete unused variables.
2198 2007-02-08  Paul Brook  <paul@codesourcery.com>
2200         * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
2201         special interworking needed.
2203 2007-02-08  Harsha Jagasia  <harsha.jagasia@amd.com>
2205         * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
2206         conditional to __SSE2__.
2207         (Entries below should have been added to first ChangeLog
2208         entry for amdfam10 dated 2007-02-05)
2209         * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
2210         defined.
2211         * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
2212         defined.
2213         * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
2214         defined.
2216 2007-02-08  DJ Delorie  <dj@redhat.com>
2218         * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
2219         * config/m32c/m32c.c (legal_subregs): New.
2220         (m32c_illegal_subreg_p): New.
2221         * config/m32c/predicates.md (m32c_any_operand): Use it to reject
2222         unsupported subregs of hard regs.
2224 2007-02-08  Jan Hubicka  <jh@suse.cz>
2226         * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
2227         the same one; always update histograms.
2229 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
2231         * passes.c (init_optimization_passes): Tidy comment.
2233 2007-02-08  Roger Sayle  <roger@eyesopen.com>
2235         * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
2236         strip zero_extend, bswap and rotates from POCOUNT's argument.
2237         <PARITY>: Likewise, we can strip not, bswap, sign_extend,
2238         zero_extend and rotates from PARITY's argument.
2239         <BSWAP>: A byte-swap followed by a byte-swap is an identity.
2240         (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
2241         of an integer constant at compile-time.
2243 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
2245         PR 30562
2246         * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
2247         Update all users.
2248         * tree-ssa-alias.c (compute_is_aliased): Remove.  Update all
2249         users.
2250         (init_alias_info):
2251         * tree-ssa-live.c (remove_unused_locals): Do not remove
2252         TREE_ADDRESSABLE variables.
2253         * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
2254         * tree-ssa-operands.c (add_virtual_operand): Remove argument
2255         FOR_CLOBBER.  Update all users.
2256         If VAR has an associated alias set, add a virtual operand for
2257         it if no alias is found to conflict with the memory reference.
2259 2007-02-07  Jan Hubicka  <jh@suse.cz>
2260             Robert Kidd <rkidd@crhc.uiuc.edu>
2262         * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
2264 2007-02-07  Ian Lance Taylor  <iant@google.com>
2266         * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
2268 2007-02-07  Roger Sayle  <roger@eyesopen.com>
2270         * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
2271         parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
2272         tablejumpdi, movsi_to_cr_one): Remove constraints from
2273         define_expand's match_operands.
2275 2007-02-07  Roger Sayle  <roger@eyesopen.com>
2277         * global.c (compute_regsets): Move declatation of "i" inside of
2278         #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
2280 2007-02-07  Jakub Jelinek  <jakub@redhat.com>
2282         PR c++/30703
2283         * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
2284         of INDIRECT_REF <RESULT_DECL>.
2286         * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
2288 2007-02-06  J"orn Rennecke  <joern.rennecke@arc.com>
2289             Kaz Kojima  <kkojima@gcc.gnu.org>
2291         PR target/29746
2292         * config/sh/sh.c (expand_cbranchdi4): Use scratch register
2293         properly.
2294         (sh_initialize_trampoline): Add parentheses to avoid a warning.
2296 2007-02-06  Zdenek Dvorak <dvorakz@suse.cz>
2298         * doc/loop.texi: Document possibility not to perform disambiguation
2299         of loops with multiple latches.
2300         * cfgloopmanip.c (alp_enum_p): Removed.
2301         (add_loop): Handle subloops.  Use get_loop_body_with_size.
2302         (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
2303         * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
2304         the new forwarder block.
2305         (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
2306         Handle the case latch is NULL.
2307         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg modifications
2308         when marking loop exits.
2309         * ifcvt.c (if_convert): Ditto.  Mark loop exits even if cfg cannot
2310         be modified.
2311         * loop-init.c (loop_optimizer_init): Do not modify cfg.  Call
2312         disambiguate_loops_with_multiple_latches.
2313         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
2314         before fix_loop_structure.
2315         * cfgloop.c: Include pointer-set.h and output.h.
2316         (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
2317         update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
2318         (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
2319         find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
2320         mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
2321         disambiguate_multiple_latches, get_loop_body_with_size,
2322         disambiguate_loops_with_multiple_latches): New functions.
2323         (flow_loop_dump): Dump multiple latch edges.
2324         (flow_loop_nodes_find): Handle loops with multiple latches.
2325         (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
2326         (glb_enum_p): Modified.
2327         (get_loop_body): Use get_loop_body_with_size.
2328         * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
2329         (AVOID_CFG_MODIFICATIONS): New constant.
2330         (disambiguate_loops_with_multiple_latches, add_loop,
2331         get_loop_body_with_size): Declare.
2332         * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
2334 2007-02-06  Seongbae Park <seongbae.park@gmail.com>
2336         PR inline-asm/28686
2337         * global.c (compute_regsets): New function.
2338         (global_alloc): Refactored ELIMINABLE_REGSET
2339         and NO_GLOBAL_ALLOC_REGS computation out.
2340         (rest_of_handle_global_alloc): Call compute_regsets()
2341         for non-optimizing case.
2343 2007-02-06  Richard Henderson  <rth@redhat.com>
2345         * config/i386/constraints.md (Y2): Rename from Y.
2346         (Yi): New constraint.
2347         * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
2348         pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
2349         zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
2350         (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
2351         truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
2352         fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
2353         floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed,
2354         absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
2355         fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
2356         * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
2357         mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
2358         vec_extractv2si_1): Change Y constraints to Y2.
2359         * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
2360         vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
2361         Change Y constraints to Y2.
2362         (sse2_loadld): Change Y constraints to x.
2364 2007-02-06  Roger Sayle  <roger@eyesopen.com>
2366         * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
2367         (parity<mode>2): New define_expand using rs6000_emit_parity.
2368         * config/rs6000/rs6000.c (rs6000_emit_popcount,
2369         rs6000_emit_parity): New functions.
2370         * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
2371         rs6000_emit_parity): Prototype here.
2373 2007-02-06  Ian Lance Taylor  <iant@google.com>
2375         * lower-subreg.c (simple_move_operand): Reject CONST.
2376         (resolve_clobber): Call validate_change rather than directly
2377         assigning to XEXP (pat, 0).
2379 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
2381         * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
2382         (tree-ssa-reassoc.o): Add pointer-set.h dependency.
2383         (tree-cfg.o): Remove hashtab.h dependency.
2385         * tree-ssa-loop-ivopts.c: Include pointer-set.h.
2386         (struct ivopts_data): Change niters to pointer_map_t.
2387         (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
2388         (niter_for_exit): Create pointer_map on demand.  Change for
2389         pointer_map API.
2390         (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
2391         (free_loop_data): Destroy data->niters if created and reset field.
2392         (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
2393         (tree_ssa_iv_optimize_loop): Check for presence of stale data.
2395         * tree-ssa-reassoc.c: Include pointer-set.h.
2396         (bb_rank): Change to long *.
2397         (operand_rank): Change to pointer_map_t.
2398         (find_operand_rank): Return long, -1 if not found.  Declare as inline.
2399         (insert_operand_rank): Accept long.
2400         (operand_entry_hash, operand_entry_eq): Remove.
2401         (get_rank): Return long.  Adjust for changes above.
2402         (init_reassoc): Change rank type to long.  Adjust creation of bb_rank
2403         and operand_rank.
2404         (fini_reassoc): Delete operand_rank with pointer_map_destroy.
2406         * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
2407         (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
2408         (insert_vi_for_tree): Rewrite for pointer_map API.  Assert argument
2409         is not NULL.
2410         (lookup_vi_for_tree): Rewrite for pointer_map API.  Return varinfo_t
2411         directly since it cannot be NULL.
2412         (get_vi_for_tree): Rewrite for pointer_map API.
2413         (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
2414         (init_alias_vars): Create vi_for_tree as pointer_map.
2415         (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
2417         * tree-cfg.c: Don't include hashtab.h.
2418         (edge_to_cases): Declare as pointer_map.
2419         (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
2420         Delete.
2421         (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
2422         (start_recording_case_labels): Create edge_to_cases as pointer_map.
2423         (end_recoding_case_labels): Cleanup edge_to_cases manually before
2424         destroying it.
2425         (record_switch_edge): Delete.
2426         (get_cases_for_edge): Adjust for pointer_map API, inline
2427         record_switch_edge (rewritten for new API), remove goto.
2429 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
2431         * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
2432         * tree-nested.c: Include pointer-set.h.
2433         (var_map_elt, var_map_eq, var_map_hash): Delete.
2434         (struct nesting_info): Remove GTY marker.  Change the two htab_t's
2435         to pointer_map_t's.
2436         (nesting_info_bitmap_obstack): New.
2437         (lookup_field_for_decl): Adjust for pointer_map API.
2438         (lookup_tramp_for_decl): Adjust for pointer_map API.
2439         (get_nonlocal_debug_decl): Adjust for pointer_map API.
2440         (get_local_debug_decl): Adjust for pointer_map API.
2441         (convert_nl_goto_reference): Adjust for pointer_map API.
2442         (convert_nl_goto_receiver): Adjust for pointer_map API.
2443         (create_nesting_tree): Create outside GGC space.  Create bitmap on
2444         the new obstack.  Create field_map and var_map as pointer_maps.
2445         (free_nesting_tree): Adjust for changes to create_nesting_tree.
2446         (root): Delete.
2447         (lower_nested_functions): Move root here, no need to NULL it.
2448         Initialize and release the obstack.
2450 2007-02-06  Paolo Bonzini  <bonzini@gnu.org>
2452         * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
2453         Remove prototypes and make them non-static.
2454         (struct tree_int_map): Remove.
2455         * tree.h (struct tree_int_map): Move here, turning TO into an
2456         unsigned int.
2457         (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
2459         * tree.h (TREE_COMPLEXITY): Remove.
2460         (struct tree_exp): Remove complexity field.
2461         * tree.c (build1_stat): Don't set it.
2463 2007-02-06  Dorit Nuzman  <dorit@il.ibm.com>
2464             Victor Kaplansky  <victork@il.ibm.com>
2466         * tree-vectorizer.c (vect_is_simple_use): Support induction.
2467         (vect_is_simple_reduction): Support reduction with induction as
2468         one of the operands.
2469         (vect_is_simple_iv_evolution): Fix formatting.
2470         * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix
2471         formatting.  Don't mark induction phis for vectorization.
2472         (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
2473         * tree-vect-transform.c (get_initial_def_for_induction): New function.
2474         (vect_get_vec_def_for_operand): Support induction.
2475         (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
2476         induction case.
2477         (vectorizable_reduction): Support reduction with induction as one of
2478         the operands.
2479         (vectorizable_type_demotion): Use def-type of stmt argument rather
2480         than dummy def-type.
2482         * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
2483         flag_tree_scev_cprop.
2484         * common.opt (tree-scev-cprop): New flag.
2486         * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
2487         call to vect_get_new_vect_var.
2489 2007-02-06  Ira Rosen  <irar@il.ibm.com>
2491         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that
2492         vectype is not NULL.
2493         (vect_pattern_recog_1): Likewise.
2495 2007-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2497         * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
2498         (fold_negate_expr): Likewise.
2500 2007-02-05  Alexandre Oliva  <aoliva@redhat.com>
2502         PR debug/30189
2503         * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
2504         even if cv-qualification is the same.
2506 2007-02-05  Geoffrey Keating  <geoffk@apple.com>
2508         * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
2509         __enable_execute_stack on completion.
2511 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2513         * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
2514         athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
2515         athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
2516         athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
2517         athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
2518         athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
2519         athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
2520         athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
2522 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2524         * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
2525         cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
2526         swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
2527         fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
2528         x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
2529         floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
2530         floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
2531         mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
2532         umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
2533         umuldi3_highpart_rex64, umulsi3_highpart_insn,
2534         umulsi3_highpart_zext, smuldi3_highpart_rex64,
2535         smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
2536         x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
2537         sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
2538         sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
2539         sqrtextenddfxf2_i387): Added amdfam10_decode.
2541         * config/i386/athlon.md (athlon_idirect_amdfam10,
2542         athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
2543         athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
2544         athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
2545         athlon_ivector_store_amdfam10): New define_insn_reservation.
2546         (athlon_idirect_loadmov, athlon_idirect_movstore): Added
2547         amdfam10.
2549 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2551         * config/i386/athlon.md (athlon_call_amdfam10,
2552         athlon_pop_amdfam10, athlon_lea_amdfam10): New
2553         define_insn_reservation.
2554         (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
2555         athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
2556         athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
2558 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2560         * config/i386/athlon.md (athlon_sseld_amdfam10,
2561         athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
2562         athlon_mmxssest_short_amdfam10): New define_insn_reservation.
2564 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2566         * config/i386/athlon.md (athlon_sseins_amdfam10): New
2567         define_insn_reservation.
2568         * config/i386/i386.md (sseins): Added sseins to define_attr type
2569         and define_attr unit.
2570         * config/i386/sse.md: Set type attribute to sseins for insertq
2571         and insertqi.
2573 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2575         * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
2576         ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
2577         ssecomi_load_amdfam10, ssecomi_amdfam10,
2578         sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
2579         define_insn_reservation.
2580         (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
2582 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2584         * config/i386/athlon.md (cvtss2sd_load_amdfam10,
2585         cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
2586         cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
2587         cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
2588         cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
2589         cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New
2590         define_insn_reservation.
2592         * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
2593         cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
2594         cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
2595         cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
2596         cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
2598 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2600         * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
2601         athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
2602         athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
2603         (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
2604         athlon_ssemul_load_k8): Added amdfam10.
2606 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2608         * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
2609         (x86_sse_unaligned_move_optimal): New variable.
2611         * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for
2612         m_AMDFAM10.
2613         (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
2614         for unaligned vector SSE double/single precision loads for AMDFAM10.
2616 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2618         * config/i386/i386.h (TARGET_AMDFAM10): New macro.
2619         (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
2620         Define TARGET_CPU_DEFAULT_amdfam10.
2621         (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
2622         (processor_type): Add PROCESSOR_AMDFAM10.
2624         * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
2625         processor_type in config/i386/i386.h.
2626         Enable imul peepholes for TARGET_AMDFAM10.
2628         * config.gcc: Add support for --with-cpu option for amdfam10.
2630         * config/i386/i386.c (amdfam10_cost): New variable.
2631         (m_AMDFAM10): New macro.
2632         (m_ATHLON_K8_AMDFAM10): New macro.
2633         (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
2634         x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
2635         x86_promote_QImode, x86_integer_DFmode_moves,
2636         x86_partial_reg_dependency, x86_memory_mismatch_stall,
2637         x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
2638         x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
2639         x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
2640         x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
2641         Enable/disable for amdfam10.
2642         (override_options): Add amdfam10_cost to processor_target_table.
2643         Set up PROCESSOR_AMDFAM10 for amdfam10 entry in
2644         processor_alias_table.
2645         (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
2646         (ix86_adjust_cost): Add code for amdfam10.
2648 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2650         * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
2651         instruction set feature flag. Add new (-mpopcnt) flag for popcnt
2652         instruction. Add new SSE4A (-msse4a) instruction set feature flag.
2653         * config/i386/i386.h: Add builtin definition for SSE4A.
2654         * config/i386/i386.md: Add support for ABM instructions
2655         (popcnt and lzcnt).
2656         * config/i386/sse.md: Add support for SSE4A instructions
2657         (movntss, movntsd, extrq, insertq).
2658         * config/i386/i386.c: Add support for ABM and SSE4A builtins.
2659         Add -march=amdfam10 flag.
2660         * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
2661         * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
2662         and amdfam10.
2663         * doc/extend.texi: Add documentation for SSE4A builtins.
2665 2007-02-05  Bob Wilson  <bob.wilson@acm.org>
2667         * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
2669 2007-02-05  Richard Guenther  <rguenther@suse.de>
2671         * tree-vectorizer.h (vectorizable_function): Add argument type
2672         argument, change return type.
2673         * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
2674         * tree-vect-transform.c (vectorizable_function): Handle extra
2675         argument, return vectorized function decl.
2676         (build_vectorized_function_call): Remove.
2677         (vectorizable_call): Handle calls with result and argument types
2678         differing.  Handle loop vectorization factor correctly.
2679         * targhooks.c (default_builtin_vectorized_function): Adjust for
2680         extra argument.
2681         * targhooks.h (default_builtin_vectorized_function): Likewise.
2682         * target.h (builtin_vectorized_function): Add argument type
2683         argument.
2684         * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
2685         extra argument, allow vectorizing of lrintf.
2686         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
2687         documentation of target hook.
2689 2007-02-05  Hans-Peter Nilsson  <hp@axis.com>
2691         PR target/30665
2692         * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
2693         ("*andhi_clear", andu (casesi+45)): For size-changed operand where
2694         memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
2696 2007-02-05  Roger Sayle  <roger@eyesopen.com>
2698         * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
2699         BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
2700         <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
2701         * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
2702         before canonicalizing sincos to cexpi.
2703         (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
2705 2007-02-05  Roger Sayle  <roger@eyesopen.com>
2707         * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
2708         Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
2709         (alpha_init_builtins): Use alpha_add_builtins to process tables.
2711 2007-02-05  Roger Sayle  <roger@eyesopen.com>
2713         * mips-tfile.c (initialize_init_file): Correct endianness test.
2715 2007-02-05  Kazu Hirata  <kazu@codesourcery.com>
2717         * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
2718         the 'y' constraint.
2720 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
2722         * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
2723         saves in a PARALLEL before the register assignments.
2725 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
2727         * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
2728         DWARF_FRAME_RETURN_COLUMN to be a general register.
2729         * dwarf2out.c (init_return_column_size): New function, split from...
2730         (expand_builtin_init_dwarf_reg_sizes): ...here.  Allow both
2731         DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
2732         to be nongeneral registers.
2733         * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
2734         integer registers.
2735         (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
2736         (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
2738 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
2740         * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
2742 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
2744         * cfgloopmanip.c (loop_delete_branch_edge): Removed.
2745         (remove_path): Use can_remove_branch_p and remove_branch instead
2746         of loop_delete_branch_edge.
2747         * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
2748         (tree_transform_and_unroll_loop): Remove dead branches immediately.
2749         Update profile using scale_dominated_blocks_in_loop.
2750         * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
2751         * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
2752         (can_remove_branch_p, remove_branch): Declare.
2753         * tree-cfg.c (tree_can_remove_branch_p): New function.
2754         (tree_cfg_hooks): Add tree_can_remove_branch_p.
2755         * cfgrtl.c (rtl_can_remove_branch_p): New function.
2756         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
2758 2007-02-05  Jan Hubicka  <jh@suse.cz>
2760         PR middle-end/30696
2761         * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
2762         nodes in cgraph, don't remove offline copy of the function.
2764 2007-02-04  Jan Hubicka  <jh@suse.cz>
2766         * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
2767         vectors might cause maybe_lookup_element_for_expr to be called
2768         on non-sra-candidate.
2770 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
2772         * config/bfin/bfin-modes.def, config/bfin/bfin.c,
2773         config/bfin/bfin.md, config/bfin/predicates.md: Follow
2774         spelling conventions.
2776 2007-02-04  Richard Guenther  <rguenther@suse.de>
2778         PR middle-end/30636
2779         * fold-const.c (try_move_mult_to_index): Make sure to not
2780         overflow one dimension of a multi-dimensional array access.
2782 2007-02-04  Jan Hubicka  <jh@suse.cz>
2784         * passes.c (init_optimization_passes): Reindent.
2786 2007-02-04  Jan Hubicka  <jh@suse.cz>
2787             Eric Botcazou  <ebotcazou@adacore.com>
2789         * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
2790         (execute_fixup_cfg): Break out the abnormal goto code.
2791         * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
2792         (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
2793         (optimize_inline_calls): Call make_nonlocal_label_edges.
2795 2007-02-04  Jan Hubicka  <jh@suse.cz>
2797         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
2798         true when something was changed.
2799         (rename_ssa_copies): When something was changed, do
2800         TODO_remove_unused_locals.
2801         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
2802         add TODO_remove_unused_locals when instruction was removed.
2804 2007-02-04  Jan Hubicka  <jh@suse.cz>
2806         * ipa-inline.c (try_inline): Improve debug output; work on already
2807         inline edges too.
2808         (cgraph_decide_inlining_incrementally): Indent; improve debug output;
2809         call try_inline for already inlined edges too when flattening;
2810         inline also functions that make callee growth but overall unit size
2811         reduce.
2813 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
2815         * config/m32c/bitops.md, config/m32c/jump.md,
2816         config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
2817         config/m32r/m32r.h, config/m32r/m32r.md,
2818         config/m32r/predicates.md, config/m68hc11/larith.asm,
2819         config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
2820         config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
2821         config/mips/mips-protos.h, config/mips/mips.c,
2822         config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
2823         config/mn10300/mn10300.h, config/mn10300/predicates.md,
2824         config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
2825         spelling conventions.
2827         * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
2828         Follow spelling conventions.
2830 2007-02-03  Douglas Gregor  <doug.gregor@gmail.com>
2832         * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
2833         warn about C++0x compatibility.
2835 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
2837         * config/h8300/h8300.c, config/h8300/h8300.h,
2838         config/h8300/h8300.md: Follow spelling conventions.
2840 2007-02-03  Uros Bizjak  <ubizjak@gmail.com>
2842         PR middle-end/30667
2843         * combine.c (try_combine): Do not substitute source operand
2844         with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
2846 2007-02-03  Jan Hubicka  <jh@suse.cz>
2848         PR gcov-profile/30650
2849         * value-prof.c (stringop_block_profile): Fix handling of size counter;
2850         do not divide by zero for never executed counters.
2851         (tree_find_values_to_profile): Fix counters.
2852         * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
2854 2007-02-03  Ian Lance Taylor  <iant@google.com>
2856         * lower-subreg.c (simple_move_operand): New static function,
2857         broken out of simple_move.  Reject LABEL_REF, SYMBOL_REF, and HIGH
2858         operands.
2859         (simple_move): Call simple_move_operand.
2860         (find_decomposable_subregs): Add special handling of MEMs.
2861         (can_decompose_p): Rename from cannot_decompose_p.  Reverse
2862         meaning of return value.  If we see a hard register, test whether
2863         it can store a word_mode value.  Change all callers.
2865 2007-02-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2867         * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
2868         ftrapv insns and expanders.
2869         (subdi3): Change define_expand operand 1 to arith11_operand, and
2870         operand 2 to reg_or_0_operand.  Change constraints of 64-bit insn
2871         pattern to handle reg_or_0 operands.  Revise 32-bit insn pattern to
2872         handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
2873         respectively.
2875         PR middle-end/30174
2876         * varasm.c (notice_global_symbol): Treat global objects as weak when
2877         flag_shlib is true.
2879 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2881         * emit-rtl.c (dconstpi): Delete.
2882         (dconstsqrt2): New.
2883         (init_emit_once): Delete dconstpi and init dconstsqrt2.
2884         * real.h (dconstpi): Delete.
2885         (dconstsqrt2): New.
2886         * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
2887         (fold_builtin_hypot): Likewise.
2889 2007-02-03  Tom Tromey  <tromey@redhat.com>
2891         PR driver/30246
2892         * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
2893         -gcoff3, -gxcoff3, -gvms3 implies -dD.
2895 2007-02-03  Kazu Hirata  <kazu@codesourcery.com>
2897         * c-decl.c, config/avr/avr.c, config/avr/avr.h,
2898         config/m68k/m68k.c, config/m68k/netbsd-elf.h,
2899         config/mn10300/mn10300.c, config/pdp11/pdp11.h,
2900         config/rs6000/cell.md, config/rs6000/darwin.h,
2901         config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
2902         config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
2903         jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
2904         tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
2905         typos.  Follow spelling conventions.
2906         * doc/invoke.texi: Follow spelling conventions.
2908 2007-02-03  Roger Sayle  <roger@eyesopen.com>
2910         * simplify-rtx.c (simplify_relational_operation_1): Implement some
2911         canonicalization transformations that attempt to simplify integer
2912         constant comparisons to become comparisons against zero.
2914 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2916         * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
2917         fabs(x)*sqrt(2).
2918         * fold-const.c (fold_binary): Fix comment typos.  Fold complex
2919         (x,0)-(0,y) into (x,-y).  Likewise (0,y)-(x,0) into (-x,y).
2921 2007-02-02  Mike Stump  <mrs@apple.com>
2923         * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
2924         * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
2925         (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
2926         generate a branch island.
2928 2007-02-02  Bob Wilson  <bob.wilson@acm.org>
2930         * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
2931         (xtensa_legitimate_address_p): New.
2932         (xtensa_legitimize_address): New.
2933         (xtensa_output_addr_const_extra): New.
2934         * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
2935         (BASE_REG_P): New.
2936         (REG_OK_FOR_BASE_P): Use BASE_REG_P.
2937         (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
2938         (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
2939         (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
2940         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
2941         (xtensa_legitimize_address): New.
2942         (xtensa_output_addr_const_extra): New.
2944 2007-02-02  Steve Ellcey  <sje@cup.hp.com>
2946         * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
2948 2007-02-02  Ian Lance Taylor  <iant@google.com>
2950         * expmed.c (expand_divmod): Add comment.
2952 2007-02-02  Kazu Hirata  <kazu@codesourcery.com>
2954         * emit-rtl.c (renumber_insns): Remove.
2955         * flags.h: Remove the extern for flag_renumber_insns.
2956         * rtl.h: Remove the prototype for renumber_insns.
2957         * toplev.c (flag_renumber_insns): Remove.
2959 2007-02-02  Hui-May Chang  <hm.chang@apple.com>
2961         Revert for x86 darwin:
2962         2005-06-19  Uros Bizjak  <uros@kss-loka.si>
2964         * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
2965         code before the following patch under TARGET_MACHO.
2966         (ix86_function_value_regno_p): Likewise.
2968 2007-02-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2970         * fold-const.c (negate_expr_p, fold_negate_expr): Handle
2971         COMPLEX_EXPR.
2973 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
2975         PR target/29682
2976         * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory loads to
2977         general or fp registers.  Add comments.
2978         * config/ia64/ia64.md (reg_pred_prefix): Add comment.
2980 2007-02-02  Paolo Bonzini  <bonzini@gnu.org>
2982         * pointer-set.c (insert_aux): Only return insertion slot.
2983         (pointer_set_insert): Adjust.
2984         (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
2985         pointer_map_destroy, pointer_map_insert, pointer_map_contains,
2986         pointer_map_traverse): New.
2987         * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
2988         pointer_map_create,  pointer_map_destroy, pointer_map_insert,
2989         pointer_map_contains, pointer_map_traverse): Declare.
2991 2007-02-02  Jakub Jelinek  <jakub@redhat.com>
2993         PR middle-end/30473
2994         * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
2995         sprintf (str, "%s").  Do not optimize sprintf (str, "nopercent", p++).
2997 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
2999         * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
3001         (struct _dep): New type.
3002         (dep_t): New typedef.
3003         (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
3004         (DEP_STATUS): New access macro.  The macro with the same name was
3005         renamed to DEP_LINK_STATUS.
3006         (dep_init): Declare function
3008         (struct _dep_link): New type.
3009         (dep_link_t): New typedef.
3010         (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
3011         (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
3012         (DEP_LINK_STATUS): New macro.
3013         (debug_dep_links): New debug function.
3015         (struct _deps_list): New type.
3016         (deps_list_t): New typedef.
3017         (DEPS_LIST_FIRST): New access macro.
3018         (FOR_EACH_DEP_LINK): New cycle macro.
3019         (create_deps_list, free_deps_list, delete_deps_list): Declare
3020         functions.
3021         (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
3022         (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
3023         (copy_deps_list_change_con): Ditto.
3025         (move_dep_link): Declare function.
3027         (struct _dep_node): New type.
3028         (dep_node_t): New typedef.
3029         (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
3031         (struct haifa_insn_data.back_deps): New field to hold backward
3032         dependencies of the insn.
3033         (struct haifa_insn_data.depend): Rename to forw_deps.  Change its type
3034         to deps_list_t.
3035         (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
3036         Change its type to deps_list_t.
3037         (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
3038         (INSN_DEPEND): Rename to INSN_FORW_DEPS.
3039         (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
3041         (INSN_COST): Move to haifa-sched.c.  Use insn_cost () instead.
3043         (DEP_STATUS): Rename to DEP_LINK_STATUS.  Fix typo in the comment.
3045         (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration and
3046         all callers.
3047         (dep_cost): Declare.
3049         * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
3050         (ds_to_dk, dk_to_ds): New functions.
3052         (init_dep_1): New static function.
3053         (init_dep): New function.
3054         (copy_dep): New static function.
3056         (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
3057         functions.
3058         (detach_dep_link): New static function.
3059         (move_dep_link): New function.
3061         (dep_links_consistent_p, dump_dep_links): New static functions.
3062         (debug_dep_links): New debugging function.
3064         (deps_obstack, dl_obstack, dn_obstack): New static variables.
3066         (alloc_deps_list, init_deps_list): New static functions.
3067         (create_deps_list): New function.
3068         (clear_deps_list): New static function.
3069         (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
3070         (deps_list_consistent_p, dump_deps_list): New static functions.
3071         (debug_deps_list): New function.
3072         (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
3073         functions.
3074         (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
3076         (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
3077         use new scheduler dependencies lists.
3078         (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
3079         (sched_analyze): Ditto.  Initialize dependencies lists.
3080         (add_forw_dep, compute_forward_dependences): Update to use new
3081         scheduler dependencies lists.
3083         (init_dependency_caches): Init deps_obstack.
3084         (free_dependency_caches): Free deps_obstack.
3086         (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
3087         new scheduler dependencies lists.
3088         (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
3089         (add_back_forw_dep, delete_back_forw_dep): Ditto.
3091         * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
3092         Update to use new scheduler dependencies lists.
3093         (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
3094         (debug_dependencies): Ditto.
3095         (schedule_region): Update comments.
3097         * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
3098         scheduler dependencies lists.
3099         (schedule_ebb): Update comments.
3101         * rtl.def (DEPS_LIST): Remove.
3103         * lists.c (unused_deps_list): Remove.
3104         (free_list): Update assertions.
3106         (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
3107         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
3109         * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
3110         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
3112         * haifa-sched.c (comments): Update.
3113         (insn_cost1): Remove.  Inline the code into insn_cost ().
3114         (insn_cost): Update to use new scheduler dependencies lists.  Move
3115         processing of the dependency cost to dep_cost ().
3116         (dep_cost): New function.  Use it instead of insn_cost () when
3117         evaluating cost of the dependency.  Use compatible interface to
3118         interact with the target.
3119         (priority): Update to use new scheduler dependencies lists.
3120         (rank_for_schedule): Ditto.  Optimize heuristic that prefers the insn
3121         with greater number of insns that depend on the insn.
3122         (schedule_insn): Update to use new scheduler dependencies lists.  Add
3123         code to free backward dependencies lists.  Inline and optimize code
3124         from resolve_dep () - see PR28071.
3125         (ok_for_early_queue_removal): Update to use new scheduler dependencies
3126         lists.  Update call to targetm.sched.is_costly_dependence hook.
3128         (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
3129         scheduler dependencies lists.
3131         (resolve_dep): Remove.  Move the logic to schedule_insn ().
3132         (init_h_i_d): Initialize dependencies lists.
3134         (process_insn_depend_be_in_spec): Rename to
3135         process_insn_forw_deps_be_in_spec.  Update to use new scheduler
3136         dependencies lists.
3137         (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
3138         Update to use new scheduler dependencies lists.
3139         (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
3141         * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
3142         new scheduler dependencies lists.
3143         (build_intra_loop_deps): Ditto.
3145         * target.h (struct _dep): Declare to use in
3146         gcc_target.sched.is_costly_dependence.
3147         (struct gcc_target.sched.adjust_cost): Fix typo.
3148         (struct gcc_target.sched.is_costly_dependence): Change signature to use
3149         single dep_t parameter instead of an equivalent triad.
3150         (struct gcc_target.sched.adjust_cost_2): Remove.
3152         * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
3154         * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
3156         * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
3157         documentation.
3158         (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
3160         * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
3161         (REG_DEP_TRUE): Document.
3163         * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
3164         Change signature to correspond to the targetm.sched.adjust_cost hook.
3165         Update use in TARGET_SCHED_ADJUST_COST_2.
3166         (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
3167         (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
3168         new scheduler dependencies lists.
3169         (ia64_gen_check): Ditto.
3171         * config/mips/mips.c (vr4130_swap_insns_p): Update to use new scheduler
3172         dependencies lists.
3174         * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
3175         signature to correspond to the targetm.sched.is_costly_dependence hook.
3176         (is_costly_group): Update to use new scheduler dependencies lists.
3178         * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
3179         instead of INSN_COST () macro.
3181 2007-02-01  Ian Lance Taylor  <iant@google.com>
3183         * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
3185 2007-02-01  Guy Martin  <gmsoft@gentoo.org>
3187         * pa.md (tp_load): Correct mfctl instruction syntax.
3189 2007-02-01  Geoffrey Keating  <geoffk@apple.com>
3191         * config/rs6000/rs6000.c (rs6000_stack_info): Correct
3192         altivec_padding_size calculation on AIX.  Improve comment, add
3193         assert to verify that it's right.
3195         * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
3196         64-bit.
3198 2007-2-01  Seongbae Park  <seongbae.park@gmail.com>
3200         PR inline-asm/28686
3201         * global.c (global_alloc): Add mising initialization of
3202         ELIMINABLE_REGSET.
3204 2007-02-01  Roger Sayle  <roger@eyesopen.com>
3206         * alias.c (init_alias_analysis): Correct whitespace.
3207         * bb-reorder.c (fix_edges_for_rarely_executed_code,
3208         partition_hot_cold_basic_blocks): Likewise.
3209         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
3210         expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
3211         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
3212         fold_builtin_snprintf_chk, fold_builtin_printf,
3213         fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
3214         do_mpfr_arg3, do_mpfr_sincos): Likewise.
3215         * cfgcleanup.c (cleanup_cfg): Likewise.
3216         * cfgexpand.c (tree_expand_cfg): Likewise.
3217         * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
3218         * function.c (get_next_funcdef_no): Likewise.
3219         * gengtype.c (main): Likewise.
3220         * genmodes.c (main): Likewise.
3221         * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
3222         * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
3223         * ifcvt.c (noce_emit_move_insn): Likewise.
3224         * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
3225         Likewise.
3226         * stor-layout.c (get_best_mode): Likewise.
3227         * tree-ssa-loop-niter.c (get_val_for): Likewise.
3228         * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
3229         scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
3230         perform_var_substitution, solve_graph): Likewise.
3231         * tree-vrp.c (vrp_finalize): Likewise.
3233 2007-02-01  Ian Lance Taylor  <iant@google.com>
3235         * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
3236         high part of a paradoxical subreg, return a constant zero.
3238 2007-02-01  Zdenek Dvorak <dvorakz@suse.cz>
3240         * toplev.c (lang_dependent_init): Call init_set_costs.
3241         * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
3243 2007-02-01  Richard Guenther  <rguenther@suse.de>
3245         PR middle-end/30656
3246         * fold-const.c (fold_negate_expr): Allow negating a
3247         constant if overflow does not change.
3249 2007-02-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3251         * doc/c-tree.texi (Expression trees): Improve markup.
3252         * doc/tm.texi (Register Classes, Addressing Modes)
3253         (Floating Point): Fix spacing after abbreviations.  Fix some
3254         typos.
3256 2007-02-01  Ben Elliston  <bje@au.ibm.com>
3258         * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
3259         * doc/contrib.texi: Likewise.
3260         * doc/install.texi: Likewise.
3262 2007-01-31  Richard Henderson  <rth@redhat.com>
3263             Ian Lance Taylor  <iant@google.com>
3265         * lower-subreg.c: New file.
3266         * rtl.def (CONCATN): Define.
3267         * passes.c (init_optimization_passes): Add pass_lower_subreg and
3268         pass_lower_subreg2.
3269         * emit-rtl.c (update_reg_offset): New static function, broken out
3270         of gen_rtx_REG_offset.
3271         (gen_rtx_REG_offset): Call update_reg_offset.
3272         (gen_reg_rtx_offset): New function.
3273         * regclass.c: Revert patch of 2006-03-05, restoring
3274         reg_scan_update.
3275         (clear_reg_info_regno): New function.
3276         * dwarf2out.c (concatn_loc_descriptor): New static function.
3277         (loc_descriptor): Handle CONCATN.
3278         * common.opt (fsplit_wide_types): New option.
3279         * opts.c (decode_options): Set flag_split_wide_types when
3280         optimizing.
3281         * timevar.def (TV_LOWER_SUBREG): Define.
3282         * rtl.h (gen_reg_rtx_offset): Declare.
3283         (reg_scan_update): Declare.
3284         * regs.h (clear_reg_info_regno): Declare.
3285         * tree-pass.h (pass_lower_subreg): Declare.
3286         (pass_lower_subreg2): Declare.
3287         * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
3288         (Optimize Options): Add -fsplit-wide-types to -O1 list.  Document
3289         -fsplit-wide-types.
3290         * doc/rtl.texi (Regs and Memory): Document concat and concatn.
3291         * Makefile.in (OBJS-common): Add lower-subreg.o.
3292         (lower-subreg.o): New target.
3294 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
3296         * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
3298 2007-01-31  Anatoly Sokolov <aesok@post.ru>
3300         PR target/19087
3301         * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
3303 2007-01-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3305         PR middle-end/29335
3306         * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
3308 2007-01-31  Zdenek Dvorak <dvorakz@suse.cz>
3310         * cfgloop.h: Include vec-prim.h.
3311         (enum li_flags): Remove LI_ONLY_OLD.
3312         (loop_iterator): Changed.
3313         (fel_next, fel_init): Iterate over loop tree.
3314         (FOR_EACH_LOOP_BREAK): New macro.
3315         * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
3316         FOR_EACH_LOOP.
3317         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
3318         * modulo-sched.c (sms_schedule): Ditto.
3319         * tree-vectorizer.c (vectorize_loops): Ditto.
3320         * doc/loop.texi: Update information on loop numbering and behavior of
3321         FOR_EACH_LOOP wrto new loops.
3322         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
3323         add_to_evolution_1): Test nestedness of loops instead of comparing
3324         their numbers.
3325         * tree-chrec.c (chrec_fold_plus_poly_poly,
3326         chrec_fold_multiply_poly_poly, chrec_evaluate,
3327         hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
3328         reset_evolution_in_loop): Ditto.
3329         * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
3331 2007-01-31  Dirk Mueller  <dmueller@suse.de>
3333         * c-common.c (warn_about_parentheses): Separate warning about
3334         un-parenthized sequence of comparison operators from the one
3335         which is supposed to warn about x <= y <= z.
3337 2007-01-31  Uros Bizjak  <ubizjak@gmail.com>
3339         * optabs.h (enum optab_index): Add new OTI_isinf.
3340         (isinf_optab): Define corresponding macro.
3341         * optabs.c (init_optabs): Initialize isinf_optab.
3342         * genopinit.c (optabs): Implement isinf_optab using isinf?f2
3343         patterns.
3344         * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
3345         (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
3346         using isinf_optab.
3347         (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
3348         expand_builtin_interclass_mathfn.
3349         * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
3350         * config/i386/i386.md (UNSPEC_FXAM): New constant.
3351         (fxam<mode>2_i387): New insn pattern.
3352         (isinf<mode>2) New expander to implement isinf, isinff and isinfl
3353         built-in functions as x87 inline asm.
3355 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
3357         * gcc/config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
3359 2007-01-30  Eric Christopher  <echristo@apple.com>
3361         * config.gcc: Add geode.
3363 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
3365         * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
3366         ipa-inline.c, tree-profile.c, tree-ssa-live.c,
3367         tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
3368         value-prof.c: Fix comment typos.
3370 2007-01-30  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3372         PR c++/24745
3373         * doc/invoke.texi (Wpointer-arith): Document warning.
3375 2007-01-30  Janis Johnson  <janis187@us.ibm.com>
3377         * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
3378         the list of discrepancies from the draft TR.
3380 2007-01-30  Dirk Mueller  <dmueller@suse.de>
3382         PR c++/30601
3383         * doc/invoke.texi (-Wreturn-type): Update description to
3384         match new behavior.
3386 2007-01-30  Richard Sandiford  <richard@codesourcery.com>
3388         * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
3390 2007-01-30  Uros Bizjak  <ubizjak@gmail.com>
3392         * builtins.c (expand_builtin_int_interclass_roundingfn): New function
3393         to handle optabs that operate on floating point input argument and
3394         output to integer output.
3395         (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
3396         (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
3397         (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
3398         expand_builtin_interclass_mathfn ().
3399         * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
3400         (ilogbsi2): Remove.
3401         (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
3402         ilogbl built-in functions as x87 intrinsics.
3404 2007-01-30  Richard Guenther  <rguenther@suse.de>
3406         PR middle-end/27657
3407         * dwarf2out.c (reference_to_unused): Query varpool if the
3408         variable was output.
3410 2007-01-30  Richard Guenther  <rguenther@suse.de>
3412         PR middle-end/30313
3413         * passes.c (execute_one_pass): Reset in_gimple_form to not
3414         confuse non-unit-at-a-time mode.
3416 2007-01-29  Roger Sayle  <roger@eyesopen.com>
3417             Richard Guenther  <rguenther@suse.de>
3419         * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
3420         avoid undefined behaviour on overflow.  Use force_fit_type_double
3421         to construct the constant with the specified TREE_OVERFLOW.
3423 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
3425         * config/dfp-bit.c: Add parameterized support for fp exceptions.
3426         * config/dfp-bit.h: Ditto.
3428 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3430         * c-decl.c (pop_scope): Replace warnings with call to
3431         warn_for_unused_label.
3432         * c-common.h (warn_for_unused_label): Declare.
3433         * c-common.c (warn_for_unused_label): Define.
3435 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3437         * tree-optimize.c (update_inlined_to_pointers): Delete unused
3438         function.
3440 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
3442         * Makefile.in (USER_H): Remove decfloat.h.
3443         * ginclude/decfloat.h: Delete, moving contents to ...
3444         * ginclude/float.h: Add support for decimal floating point,
3445         guarded by __STDC_WANT_DEC_FP__.
3447 2007-01-29  Mike Stump  <mrs@apple.com>
3449         * doc/gccint.texi (Top): Rename Loop Representation to Loop
3450         Analysis and Representation to resolve case insensitive conflict.
3451         * doc/loop.texi (Loop Analysis and Representation): Likewise.
3453 2007-01-28  Daniel Berlin  <dberlin@dberlin.org>
3455         * tree.h (struct tree_memory_tag): Add aliases member.
3456         (MTAG_ALIASES): New macro.
3457         * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
3458         (add_may_alias): Remove pointer-set. Update for may_aliases being
3459         a bitmap.
3460         (mark_aliases_call_clobbered): Update for may_aliases being a
3461         bitmap.
3462         (compute_tag_properties): Ditto.
3463         (create_partition_for): Ditto.
3464         (compute_memory_partitions): Ditto.
3465         (dump_may_aliases_for): Ditto.
3466         (is_aliased_with): Ditto.
3467         (add_may_alias_for_new_tag): Ditto.
3468         (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
3469         (compute_is_aliased): New function.
3470         (compute_may_aliases): Call compute_is_aliased).
3471         (init_alias_info): Initialize alias_bitmap_obstack.
3472         (union_alias_set_into): New function.
3473         (compute_flow_sensitive_aliasing): Use union_aliases_into.
3474         (have_common_aliases_p): Rewrite to take two bitmaps and use
3475         intersection.
3476         (compute_flow_insensitive_aliasing): Stop using pointer-sets.
3477         Update for bitmaps.
3478         (finalize_ref_all_pointers): Update for add_may_alias changes.
3479         (new_type_alias): Ditto.
3480         * tree-flow-inline.h (may_aliases): Return a bitmap.
3481         * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
3482         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
3483         may_aliases being a bitmap.
3484         * tree-flow.h (struct var_ann_d): Remove may_aliases member.
3485         may_aliases now returns a bitmap.
3486         * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
3487         being a bitmap.
3488         * tree-ssa-operands.c (add_virtual_operand): Update for
3489         may_aliases being a bitmap.
3491 2007-01-29  Daniel Berlin  <dberlin@dberlin.org>
3493         PR tree-optimization/30630
3494         * tree-ssa-structalias.c (do_complex_constraint): Mark correct
3495         variable as changed.
3497 2007-01-29  Simon Martin  <simartin@users.sourceforge.net>
3499         PR c++/28266
3500         * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
3501         expanded only once even if an error occurs.
3503 2007-01-29  Ben Elliston  <bje@au.ibm.com>
3505         * gcov-io.h (__gcov_indirect_call_profiler): Declare.
3506         (__gcov_average_profiler): Likewise.
3507         (__gcov_ior_profiler): Likewise.
3508         (__gcov_merge_ior): Likewise.
3510 2007-01-28  Jan Hubicka  <jh@suse.cz>
3512         * builtins.c (expand_builtin_memset): Fix typo in my last patch.
3513         * value-prof.c (stringop_block_profile): Likewise.
3515 2007-01-28  Jan Hubicka  <jh@suse.cz>
3517         * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall): Add
3518         variant handling histograms; add wrapper.
3519         (clear_storage_via_libcall): Export.
3520         (emit_block_move_hints): Break out from ...; add histograms.
3521         (emit_block_move): ... this one.
3522         (clear_storage_hints): Break out from ...; add histograms.
3523         (clear_storage): ... this one.
3524         (set_storage_via_memset): Handle histogram.
3525         * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
3526         (clear_storage_hints, clear_storage_via_libcall): Declare.
3527         (set_storage_via_setmem): Update prototype.
3528         * doc/md.texi (movmem, setmem): Document new arguments.
3530         * value-prof.c (dump_histogram_value, tree_find_values_to_profile): Add
3531         new histograms.
3532         (stringop_block_profile): New global function.
3533         (tree_stringops_values_to_profile): Profile block size and alignment.
3534         * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
3535         HIST_TYPE_IOR.
3536         (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
3537         (stringop_block_profile): Declare.
3538         * builtins.c: Include value-prof.h.
3539         (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
3540         * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
3541         (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
3542         (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
3543         * profile.c (instrument_values): Add new counters.
3544         * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
3545         calls.
3546         * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
3547         (tree_init_edge_profiler): Build new profilers.
3548         (tree_gen_average_profiler, tree_gen_ior_profiler): New.
3549         (pass_tree_profile): Add dump.
3550         (tree_profile_hooks): Update.
3551         * Makefile.in (LIBGCOV): Add new constants.
3552         * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
3553         __gcov_ior_profiler): New.
3554         * i386.md (movmem/setmem expanders): Add new optional arguments.
3556 2007-01-28  David Edelsohn  <edelsohn@gnu.org>
3558         * doc/md.texi (Standard Pattern Names): Document blockage pattern.
3560 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
3562         * tree-ssa-loop-unswitch.c: Include tree-inline.h.
3563         (tree_unswitch_single_loop): Pass eni_size_weights to
3564         tree_num_loop_insns.
3565         * tree-ssa-loop-manip.c: Include tree-inline.h.
3566         (can_unroll_loop_p): Pass eni_size_weights to
3567         tree_num_loop_insns.
3568         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
3569         Pass eni_size_weights to estimate_num_insns.
3570         * tree.h (init_inline_once): Export.
3571         * toplev.c (backend_init): Call init_inline_once.
3572         * cgraphunit.c (cgraph_process_new_functions,
3573         cgraph_analyze_function): Pass eni_inlining_weights to
3574         estimate_num_insns.
3575         * ipa-inline.c (compute_inline_parameters): Ditto.
3576         * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
3577         to estimate_num_insns.
3578         (try_unroll_loop_completely): Pass eni_size_weights to
3579         tree_num_loop_insns.
3580         * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
3581         ot estimate_num_insns.
3582         * tree-ssa-loop-prefetch.c: Include tree-inline.h.
3583         (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
3584         * tree-inline.c (eni_inlining_weights, eni_size_weights,
3585         eni_time_weights): New variables.
3586         (init_inline_once): Initialize them.
3587         (struct eni_data): Mew.
3588         (estimate_num_insns_1, estimate_num_insns): Use weights.
3589         * tree-inline.h (struct eni_weights_d): New.
3590         (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
3591         (estimate_num_insns): Declaration changed.
3592         * cfgloop.h (tree_num_loop_insns): Declaration changed.
3593         * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
3594         tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
3596 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
3598         * tree-data-ref.c (conflict_fn): Assert that the number of affine
3599         relations in the conflict function is valid.
3601 2007-01-27  Ian Lance Taylor  <iant@google.com>
3603         * common.opt: Add fstrict-overflow.
3604         * opts.c (decode_options): Set flag_strict_overflow if -O2.
3605         * flags.h (TYPE_OVERFLOW_WRAPS): Define.
3606         (TYPE_OVERFLOW_UNDEFINED): Define.
3607         (TYPE_OVERFLOW_TRAPS): Define.  This replaces TYPE_TRAP_SIGNED.
3608         Replace all uses.
3609         * tree.h (TYPE_TRAP_SIGNED): Don't define.
3610         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
3611         (fold_negate_expr): Likewise.
3612         (make_range): Likewise.
3613         (extract_muldiv_1): Likewise.
3614         (maybe_canonicalize_comparison): Likewise.
3615         (fold_comparison): Likewise.
3616         (fold_binary): Likewise.
3617         (tree_expr_nonnegative_p): Likewise.
3618         (tree_expr_nonzero_p): Likewise.
3619         * tree-vrp.c (compare_values): Likewise.
3620         (extract_range_from_binary_expr): Likewise.
3621         (extract_range_from_unary_expr): Likewise.
3622         * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
3623         Likewise.
3624         (nowrap_type_p): Likewise.
3625         * tree-scalar-evolution.c (simple_iv): Likewise.
3626         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
3627         (build_range_check): Likewise.
3628         (extract_muldiv_1): Likewise.
3629         (fold_comparison): Likewise.
3630         * tree-vrp.c (vrp_int_const_binop): Likewise.
3631         (extract_range_from_unary_expr): Likewise.
3632         * convert.c (convert_to_integer): Likewise.
3633         * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
3634         (fold_comparison): Likewise.
3635         (fold_binary): Likewise.
3636         * optabs.c (optab_for_tree_code): Likewise.
3637         * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
3638         * simplify-rtx.c (simplify_const_relational_operation): Check
3639         flag_strict_overflow and flag_trapv.
3640         (simplify_const_relational_operation): Likewise.
3641         * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
3642         (Optimize Options): Add -fstrict-overflow to -O2 list.  Document
3643         -fstrict-overflow.
3645 2007-01-27  Roger Sayle  <roger@eyesopen.com>
3647         * tree.c (tree_fold_gcd): Delete.
3648         * tree.h (tree_fold_gcd): Remove prototype.
3649         * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
3650         test whether one constant integer is a multiple of another.  Instead
3651         call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
3652         * fold-const.c (multiple_of_p):  We've determined both TOP and
3653         BOTTOM are integer constants so we can call int_const_binop directly
3654         instead of the more generic const_binop.
3656 2007-01-27  Roger Sayle  <roger@eyesopen.com>
3658         * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
3659         1*X check that the constant hasn't overflowed, to preserve the
3660         TREE_OVERFLOW bit.
3661         (round_up): Provide an efficient implementation when rouding-up an
3662         INTEGER_CST to a power-of-two.
3664 2007-01-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3666         * doc/sourcebuild.texi: Add comma for clarity.
3667         * doc/extend.texi: Fix some typos.
3668         * doc/passes.texi: Likewise.
3669         * doc/cppinternals.texi: Likewise.
3670         * doc/c-tree.texi: Likewise.
3671         * doc/tree-ssa.texi: Likewise.
3672         * doc/install.texi: Likewise.
3674 2007-01-27  Jan Hubicka  <jh@suse.cz>
3676         * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
3677         (pass_sra): Do not require alias information.
3678         * passes.c (init_optimization_passes): Add SRA
3680 2007-01-27  Steven Bosscher  <steven@gcc.gnu.org>
3682         * tracer.c (rest_of_handle_tracer): We already cleaned
3683         up the CFG in tracer() so don't do it here again.
3684         * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
3685         cleanup_cfg here, either.  And don't call renumber_insns.
3687         * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
3688         and BB_HEAD are in the insn stream here.  Instead make sure
3689         that BB_INSN is valid on all insns.  Also, do check here that
3690         there are no pending branch predictions...
3691         (rtl_verify_flow_info): ...instead of doing it here.  Checks
3692         for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
3693         here.
3695 2007-01-26  Roger Sayle  <roger@eyesopen.com>
3697         * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
3698         function to simplify/factorize operand order canonicalization.
3699         (ix86_fixup_binary_operands): Reorganize using the above function.
3700         (ix86_binary_operator_ok): Likewise.
3702 2007-01-27  Jakub Jelinek  <jakub@redhat.com>
3704         * genattrtab.c (struct attr_value_list, insn_code_values): Move to
3705         file scope from optimize_attrs.
3706         (simplify_test_exp): If insn_code_values is not NULL, use it to speed
3707         up search.
3708         (optimize_attrs): Clear insn_code_values after freeing it.
3710 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
3712         * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
3713         a parts.base assignment.
3715 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
3717         * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
3718         (compute_subscript_distance, initialize_data_dependence_relation,
3719         finalize_ddr_dependent, analyze_ziv_subscript,
3720         analyze_siv_subscript_cst_affine,
3721         compute_overlap_steps_for_affine_univar,
3722         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
3723         analyze_siv_subscript, analyze_miv_subscript,
3724         analyze_overlapping_iterations, subscript_dependence_tester_1,
3725         compute_self_dependence, free_dependence_relation): Work
3726         with affine_fn instead of chrecs.
3727         (dump_affine_function, dump_conflict_function, affine_function_equal_p,
3728         common_affine_function, affine_function_base,
3729         affine_function_constant_p, affine_fn_op, affine_fn_plus,
3730         affine_fn_minus, affine_fn_free, conflict_fn_not_known,
3731         conflict_fn_no_dependence, free_conflict_function, free_subscripts,
3732         conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
3733         (all_chrecs_equal_p): Removed.
3734         * tree-data-ref.h (affine_fn, conflict_function): New types.
3735         (struct subscript): Change type of conflicting_iterations_in_a
3736         and conflicting_iterations_in_b.
3738 2007-01-26  Steve Ellcey  <sje@cup.hp.com>
3740         PR other/30182
3741         * config/pa/pa.h (TARGET_HPUX_11): New.
3742         * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
3743         * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
3745 2007-01-26  Daniel Berlin  <dberlin@dberlin.org>
3746         Richard Guenther  <rguenther@suse.de>
3748         * tree-ssa-structalias.c (solve_graph): Handle case
3749         we merged the variable to another.
3751 2007-01-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3753         * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
3754         functions.
3756         * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
3757         catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
3759 2007-01-25  DJ Delorie  <dj@redhat.com>
3761         * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
3762         allow changes to modes which don't fit in those registers.
3764         * reload1.c (choose_reload_regs): Check for invalid subregs before
3765         computing their locations, not after.
3767 2007-01-25  Geoffrey Keating  <geoffk@apple.com>
3769         PR 25127
3770         * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
3771         save Altivec registers in an eh_return function.
3772         (compute_vrsave_mask): Likewise.
3773         (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
3774         for saving Altivec registers.
3775         (rs6000_emit_prologue): Don't allocate stack twice in
3776         eh_return function.  Correct expected value of altivec_save_offset
3777         when using save_world.  Describe save of R0 to stack when using
3778         save_world.  Describe stack pointer adjustment when using
3779         save_world.  Remove duplicated eh_return parameter register saving.
3780         Update sp_offset variable after save_world.
3781         * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
3782         darwin-world.asm.
3783         (LIB2FUNCS_EXTRA): Add darwin-world.asm.
3784         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
3785         implies Altivec.
3787 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
3789         * config.gcc (ia64*-*-hpux*): Make posix threads the default.
3791 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
3793         PR other/30182
3794         * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
3795         * config/ia64/ia64.c (ia64_init_builtins):  Ditto.
3797 2007-01-25  Richard Guenther  <rguenther@suse.de>
3799         * doc/invoke.texi (-Wcoverage-mismatch): Document.
3800         * common.opt (-Wcoverage-mismatch): New warning option.
3801         * coverage.c (get_coverage_counts): Ignore coverage mismatch
3802         if -Wcoverage-mismatch is given.
3804 2007-01-25  Razya Ladelsky  <razya@il.ibm.com>
3806         * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
3807         (ipcp_driver): Change to static definition.
3808         Add dumping of the ifunctions.
3809         (constant_val_insert): Remove unused parameter. Support for SSA.
3810         (ipcp_propagate_const): Support for SSA.
3811         (ipcp_profile_bb_print): Print only analyzed nodes.
3812         (ipcp_replace_map_create): Remove support for Fortran constant
3813         for now.
3814         * ipa-prop.c (ipa_method_modify_stmt,
3815         ipa_callsite_compute_param): Support for SSA.
3816         * ipa-prop.h (ipcp_driver): Remove declaration.
3817         (IS_VALID_TREE_MAP_INDEX): Add define.
3819 2007-01-24  Geoffrey Keating  <geoffk@apple.com>
3821         * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
3823 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3825         PR middle-end/30447
3826         * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
3827         constant argument to cabs and do it without checking for
3828         -funsafe-math-optimizations.
3830 2007-01-24  Douglas Gregor  <dgregor@osl.iu.edu>
3832         * c-common.h (RID_FIRST_CXX0X): New.
3833         (RID_LAST_CXX0X): New.
3834         * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
3835         by -Wall.
3836         * c.opt (Wc++0x-compat): New.
3837         * doc/invoke.texi (-Wc++0x-compat): Document.
3839 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3841         * builtins.c (fold_builtin_carg): New.
3842         (fold_builtin_1): Use it.
3844 2007-01-24  Jan Hubicka  <jh@suse.cz>
3846         * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
3848         * ipa-inline.c (initial_insns, max_insns): Delete.
3849         (compute_max_insns): New function.
3850         (cgraph_decide_inlining_of_small_function): Use it; take minimal amount
3851         of insns as base for code growth.
3852         (cgraph_decide_inlining): Make initial_insns local; do not compute
3853         max_insns.
3854         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
3855         * doc/invoke.texi (inline-unit-growth): Update docs.
3857 2007-01-24  Jakub Jelinek  <jakub@redhat.com>
3859         * config/i386/i386.h (x86_cmpxchg16b): Remove const.
3860         (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
3861         * config/i386/i386.c (x86_cmpxchg16b): Remove const.
3862         (override_options): Add PTA_CX16 flag.  Set x86_cmpxchg16b
3863         for CPUs that have PTA_CX16 set.
3865         PR middle-end/27416
3866         * gimplify.c (omp_check_private): New function.
3867         (gimplify_scan_omp_clauses): Use it for
3868         firstprivate/lastprivate/reduction.
3870         PR middle-end/30494
3871         * gimplify.c (omp_add_variable): Don't call omp_notice_variable
3872         on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
3874         PR middle-end/30421
3875         * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
3876         If lower_lastprivate_clauses emits some statements, append them
3877         to dlist rather than body_p and to body_p append an initializer.
3878         (lower_omp_for): Adjust caller.
3880 2007-01-24  Steve Ellcey  <sje@cup.hp.com>
3882         * target.h (globalize_decl_name): New.
3883         * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
3884         * output.h (default_globalize_decl_name): New.
3885         * varasm.c (asm_output_bss): Use globalize_decl_name instead of
3886         globalize_label.
3887         (globalize_decl): Ditto.
3888         (default_globalize_decl_name): New.
3889         * config/ia64/ia64.c (ia64_globalize_decl_name): New.
3890         (ia64_handle_version_id_attribute): New.
3891         (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
3892         (ia64_asm_output_external): Use globalize_decl_name instead
3893         of globalize_label.
3894         * doc/extend.texi (version_id): New pragma.
3895         * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
3897 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
3899         * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
3900         _uleb128_t and _Unwind_SWord with _sleb128_t.
3901         * unwind-dw2.c (extract_cie_info, execute_stack_op, execute_cfa_program,
3902         uw_frame_state_for, uw_update_context_1): Likewise.
3903         * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
3904         * unwind-pe.h (read_uleb128, read_sleb128,
3905         read_encoded_value_with_base): Likewise.
3906         * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
3908 2007-01-24  Richard Guenther  <rguenther@suse.de>
3910         * builtins.c (expand_builtin_cexpi): Get the fndecl
3911         for cexp in the correct way.
3913 2007-01-24  Jan Hubicka  <jh@suse.cz>
3915         * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS of calls.
3917 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
3919         * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
3920         (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
3921         __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
3922         __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
3923         __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
3924         __SIZEOF_PTRDIFF_T__.
3925         * doc/cpp.texi: Documentation for the new builtin macros added.
3927 2007-01-24  Uros Bizjak  <ubizjak@gmail.com>
3929         * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
3930         log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
3931         instead of operands[2] to avoid access past the end of array.
3933 2007-01-24  Richard Sandiford  <richard@codesourcery.com>
3935         * reload1.c (emit_reload_insns): Pass the reload register
3936         for a non-spill output reload through forget_old_reloads_1.
3938 2007-01-23  Joseph Myers  <joseph@codesourcery.com>
3940         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
3941         _SOFT_DOUBLE if doubles use software floating-point.
3942         * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
3943         double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
3944         * config/rs6000/darwin-ldouble.c: Also compile functions for
3945         hard-float without FPRs.  Use fmsub function for all __NO_FPRS__
3946         cases.  Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
3947         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
3948         commented-out long double override.
3949         (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
3950         * config/rs6000/eabispe.h: Likewise.
3951         * config/rs6000/rs6000.c (rs6000_override_options): Don't override
3952         long double for non-SPE.
3953         (rs6000_handle_option): Likewise.
3954         (invalid_e500_subreg): Disallow more subregs involding DImode,
3955         DFmode, TImode or TFmode.
3956         (rs6000_legitimate_offset_address_p): Check TFmode offsets for
3957         E500 double.
3958         (legitimate_lo_sum_address_p): Also check for TFmode for E500
3959         double.
3960         (rs6000_legitimize_address): Also handle TFmode for E500 double.
3961         (rs6000_legitimize_reload_address): Also handle TFmode for E500
3962         double.
3963         (rs6000_legitimate_address): Also check for TFmode for E500
3964         double.
3965         (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
3966         (spe_build_register_parallel): Handle TFmode and TCmode.
3967         (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
3968         double.
3969         (function_arg): Handle TFmode and TCmode for E500 double.
3970         (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
3971         in general.
3972         (print_operand): Handle TFmode and TImode for %y.
3973         (rs6000_generate_compare): Handle TFmode comparisons for E500
3974         double.
3975         (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
3976         (rs6000_function_value): Handle TFmode and TCmode for E500 double.
3977         (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
3978         * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
3979         TFmode for E500 double.
3980         * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
3981         (floatsidf2): Enable for E500 double.
3982         (movtf_softfloat): Use rs6000_nonimmediate_operand.
3983         (extenddftf2): Change to extenddftf2_fprs.
3984         (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
3985         depending on TARGET_E500_DOUBLE.
3986         (extendsftf2): Enable for E500 double.
3987         (trunctfdf2): Enable for E500 double.
3988         (trunctfsf2): Change to trunctfsf2_fprs.
3989         (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
3990         depending on TARGET_E500_DOUBLE.
3991         (floatsitf2): Enable for E500 double.
3992         (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
3993         (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
3994         gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
3995         (negtf2): Change to negtf2_internal.
3996         (negtf2): New expander.
3997         (abstf2): Enable for E500 double.  Call gen_spe_abstf2_tst,
3998         gen_spe_abstf2_cmp or gen_abstf2_internal depending on
3999         TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
4000         (movdi_internal32): Use rs6000_nonimmediate_operand.
4001         (unnamed splitter): Likewise.
4002         * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
4003         TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
4004         (SPE64TF, DITI): New mode macros.
4005         (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
4006         modes.
4007         (frob_tf_ti): New.
4008         (frob_<mode>_di_2): New.
4009         (frob_tf_di_8_2): New.
4010         (frob_di_df): Change to frob_di_<mode>; allow more modes.
4011         (frob_ti_tf): New.
4012         (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
4013         more modes.
4014         (frob_ti_<mode>_8_2): New.
4015         (frob_ti_tf_2): New.
4016         (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
4017         mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
4018         TFmode.
4019         (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
4020         mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
4021         (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
4022         spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
4023         spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
4024         (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
4025         tsttflt_gp): New.
4027 2007-01-23  Ian Lance Taylor  <iant@google.com>
4029         * Makefile.in (OBJS-common): Reformat, alphabetize, but put
4030         insn-*.o first.
4031         (OBJS-archive): Reformat, alphabetize.
4032         (OBJS): Change out_object_file to OBJS-md.
4034 2007-01-23  Uros Bizjak  <ubizjak@gmail.com>
4036         * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
4037         JUMP_P and CALL_P predicates where applicable.
4038         * config/i386/i386.c: Ditto.
4039         * config/i386/i386.md: Ditto.
4040         * config/i386/mmx.md: Ditto.
4041         * config/i386/predicates.md: Ditto.
4043 2007-01-22  Andreas Schwab  <schwab@suse.de>
4045         * config/m68k/m68k.h: Fix comment.
4047 2007-01-22  Jan Hubicka  <jh@suse.cz>
4049         * passes.c (init_optimization_passes): Do not rerun
4050         pass_early_warn_uninitialized.
4052 2007-01-22  Richard Guenther  <rguenther@suse.de>
4054         PR tree-optimization/30038
4055         * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
4056         function.
4057         (execute_cse_sincos_1): Likewise.
4058         (execute_cse_sincos): Likewise.
4059         (gate_cse_sincos): Likewise.
4060         (pass_cse_sincos): New pass CSEing sin() and cos() calls using
4061         the cexpi() canonicalization of sincos().
4062         * tree-pass.h (pass_cse_sincos): Declare.
4063         * passes.c (init_optimization_passes): New pass pas_cse_sincos.
4065 2007-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
4067         PR rtl-optimization/29329
4068         * combine.c (replaced_rhs_insn): Rename to i2mod.
4069         (replaced_rhs_value): Rename to i2mod_new_rhs.
4070         (i2mod_old_rhs): New global variable.
4071         (combine_instructions): Adjust for above change.  Save a copy of
4072         the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
4073         note are substituted in the second instruction.
4074         (distribute_notes) <REG_DEAD>: Adjust for above change.  Do not
4075         ditch the note if it pertains to the second eliminated register
4076         and this register is mentioned in i2mod_old_rhs.
4078         Revert:
4079         2006-09-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
4081         * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
4082         the insn to which the note was originally attached.
4084 2007-01-21  Jan Hubicka  <jh@suse.cz>
4086         * ipa-inline.c (inlining_mode): Comment, move up.
4087         (cgraph_decide_inlining_incrementally): Do not perform inlining
4088         itself; fix handling of flattening of self recursive functions.
4089         (cgraph_find_cycles): Remove.
4090         (cgraph_flatten_node): Remove.
4091         (cgraph_decide_inlining): Use incremental inliner to handle flattening.
4092         (try_inline): New function.
4093         (cgraph_early_inlining): Update call of
4094         cgraph_decide_inlining_incrementally.  Apply inlining here.
4095         (apply_inline): Update call of cgraph_decide_inlining_incrementally.
4097 2007-01-21  Dirk Mueller  <dmueller@suse.de>
4099         PR bootstrap/30511
4100         * tree-vrp.c (check_array_bounds): do not warn
4101         about ADDR_EXPR's of ARRAY_REF's which are immediately
4102         used in binary expressions.
4104 2007-01-21  Ira Rosen  <irar@il.ibm.com>
4106         * tree-vectorizer.h (struct _stmt_vec_info): Add new field
4107         read_write_dep and macros for its access.
4108         * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
4109         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
4110         argument, call vect_check_interleaving for every independent pair of
4111         data-refs. Mark loads that access the same memory location as a store
4112         in the loop.
4113         (vect_check_dependences): Remove.
4114         (vect_analyze_data_ref_dependences): Remove  vect_check_dependences
4115         call, fix the call to vect_analyze_data_ref_dependence.
4116         (vect_analyze_data_ref_access): For statements that access the same
4117         data-ref, check that they are not stores; for loads, check that there
4118         is no store that access the same location.
4120 2007-01-20  Roger Sayle  <roger@eyesopen.com>
4121             Joseph Myers  <joseph@codesourcery.com>
4123         * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
4124         (-fdump-rtl-stack): Likewise.
4125         (-fno-signed-zeros): Use @minus{} for a minus sign.  Correct typo.
4126         (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
4127         (-mpt-fixed): Use @minus{} for minus sign.
4128         (Using Precompiled Headers): Fix under/overfull hbox.
4130 2007-01-20  Jan Hubicka  <jh@suse.cz>
4132         * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
4133         place within annotation.
4135 2007-01-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4137         * pa.c (output_move_double): Change array size of xoperands to 4.
4139 2007-01-20  Jan Hubicka  <jh@suse.cz>
4141         * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
4142         as temporary.
4144 2007-01-19  Ian Lance Taylor  <iant@google.com>
4146         * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
4147         constant to unsigned HOST_WIDE_INT before negating.
4149 2007-01-19  Ian Lance Taylor  <iant@google.com>
4151         * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
4152         to unsigned.
4153         (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
4154         (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
4155         (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
4156         (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
4157         (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
4158         (realloc_vdef, realloc_vuse): Change second parameter to
4159         unsigned.
4160         (ssa_operand_iterator_d): Change vuse_index and mayuse_index
4161         fields to unsigned.
4162         * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
4163         unsigned. Change x and lim locals to unsigned.
4164         (realloc_vdef, realloc_vuse): Change num_elem parameter to
4165         unsigned.
4166         (finalize_ssa_vuse_ops): Change old_i local to unsigned.
4167         (copy_virtual_operands): Change i and n locals to unsigned.
4169 2007-01-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4171         PR middle-end/29335
4172         * builtins.c (fold_builtin_1): Handle builtin fdim.
4174 2007-01-20  Jan Hubicka  <jh@suse.cz>
4176         * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
4177         * tree-ssa-structalias.c (compute_points_to_sets): Do call
4178         init_alias_heapvars.
4179         (init_alias_heapvars): Initialize only when not already initialized.
4180         (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
4182 2007-01-19  Roger Sayle  <roger@eyesopen.com>
4184         * common.opt (fsigned-zeros): New command line option.
4185         * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
4186         of flag_unsafe_math_optimizations.
4187         * opts.c (set_fast_math_flags): The -ffast-math command line option
4188         implies -fno-signed-zeros.
4189         (fast_math_flags_set_p): Likewise.
4191         * doc/invoke.texi: Document new -fno-signed-zeros option, and update
4192         the documentation of -ffast-math appropriately.  Wrap long lines.
4194 2007-01-19  Steve Ellcey  <sje@cup.hp.com>
4196         * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
4197         * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
4199 2007-01-19  Tomas Bily  <tbily@suse.cz>
4201         * cgraphunit.c (cgraph_finalize_function): Updating of pid
4202         * tree-profile.c:
4203         (tree_init_ic_make_global_vars): New function
4204         (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
4205         (tree_gen_ic_profiler): New function
4206         (tree_gen_ic_func_profiler): New function
4207         (tree_profiling): Added calling of tree_gen_ic_func_profiler
4208         (tree_profile_hooks): Added hook for indirec/virtual calls
4209         * value-prof.c (tree_find_values_to_profile): New case for
4210         indirect calls
4211         (tree_values_to_profile): Call for determining indirect/virtual
4212         counters
4213         (tree_indirect_call_to_profile): New function
4214         (tree_ic_transform): New function
4215         (tree_ic): New function
4216         (find_func_by_pid): New function
4217         (init_pid_map): New function
4218         (tree_value_profile_transformations): Added check for
4219         indirect/virtual call transformation
4220         * value-prof.h (enum hist_type): New counter type for
4221         indirect/virtual calls
4222         (profile_hooks): Added new hook for profiling indirect/virtual
4223         calls
4224         * profile.c (instrument_values): New case for indirect/virtual
4225         call added
4226         * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
4227         (GCOV_COUNTER_V_INDIR): New counter type
4228         (GCOV_COUNTER_NAMES): New name of counter "indirect" added
4229         (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
4230         call added
4231         * cgraph.c: Definition of cgraph_max_pid
4232         (cgraph_create_node): Default init of pid attribute
4233         * cgraph.h: Declaration of cgraph_max_pid
4234         (struct cgraph_node): Added pid attribute
4235         * libgcov.c (__gcov_indirect_call_profiler): New function
4236         (__gcov_one_value_profiler_body): New function
4237         (__gcov_one_value_profiler): Body was moved to
4238         __gcov_one_value_profiler_body and calls it
4240 2007-01-19  Basile Starynkevitch  <basile@starynkevitch.net>
4242         * doc/gty.texi (Options): Document the mark_hook option to GTY.
4243         * gengtype.c (write_types_data, write_func_for_structure,
4244         write_types, ggc_wtd, pch_wtd): Add skip_hooks to
4245         write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
4246         (walk_type, write_func_for_structure): Generate the mark_hook if
4247         needed.
4249 2007-01-19  Jan Hubicka  <jh@suse.cz>
4251         * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
4252         'early' argument take inlining mode argument specifying whether to
4253         inline for size/speeed or all functions; add support for flattening;
4254         improve dumpting.
4255         (cgraph_early_inlining): Update call of decide_inlining_incrementally.
4257 2007-01-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4259         PR c++/17947
4260         * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
4261         the name of the declared identifier.
4263 2007-01-19  Dirk Mueller  <dmueller@suse.de>
4265         * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
4266         result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
4267         duplicate evaluation.
4269 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
4271         * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
4272         Macroize expander using X87MODEF12 mode macro.  Extend operand 1
4273         to XFMode, use acosxf2 and truncate result to requested mode.
4274         Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
4275         (asin<mode>2): Similarly, with asin expanders.
4276         (*fscalexf4_i387): Rename from *fscalexf4.
4277         (expNcorexf3): New expander.
4278         (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
4279         (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
4280         X87MODEF12 mode macro.  Extend operand 1 to XFMode, use expxf2 and
4281         truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
4282         patterns for SSE math.
4283         (exp10<mode>2): Similarly, with exp10 expanders.
4284         (exp2<mode>2): Similarly, with exp2 expanders.
4285         (expm1<mode>2): Similarly, with expm1 expanders.
4286         (ldexp<mode>3): Similarly, with ldexp expanders.
4287         (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
4288         Use gen_truncxf<mode>2_i387_noop to truncate result.
4290 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
4292         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
4293         for ColdFire targets.
4295 2007-01-19  Nathan Sidwell  <nathan@codesourcery.com>
4296             Richard Sandiford  <richard@codesourcery.com>
4298         * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
4299         (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
4300         (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
4301         * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
4302         (M68K_STATIC_CHAIN_REG_NAME): Likewise.
4303         * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
4305 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
4307         * config/m68k/m68k.md (adddi_dilshr32): Rename to...
4308         (*adddi_dilshr32): ...this.  Fix formatting.  Remove commented-out
4309         non-canonical pattern.  Restrict to !TARGET_COLDFIRE.
4310         (*adddi_dilshr32_cf): New pattern.
4311         (adddi3, subdi3): Remove first alternatives.
4313 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
4315         * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
4316         implemented using move.l, do not use its cc result for floating-point
4317         comparisons.
4319 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
4321         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
4322         from accepting 's' constraints if flag_pic.
4324 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
4326         * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
4327         (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
4328         (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
4329         condition from TARGET_68881 to TARGET_HARD_FLOAT.
4331 2007-01-19  Sandra Loosemore  <sandra@codesourcery.com>
4333         * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
4334         ColdFire alternatives.
4335         * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
4336         * config/m68k/m68k.md (clzsi2):  Define for ColdFire
4337         architectures that support ff1 instruction.
4339 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
4340             Julian Brown  <julian@codesourcery.com>
4342         * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
4343         * config/m68k/m68k.md (*movsi_cfv4): Fold into...
4344         (*movsi_cf): ...here.  Remove unnecessary 'R' from 'Rg'.
4345         Add commentary.
4347 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
4349         * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
4350         and return a bool.
4351         (output_move_const_into_data_reg, output_move_simode_const): Delete.
4352         * config/m68k/m68k.c (const_method, const_int_cost): Take a
4353         HOST_WIDE_INT instead of an rtx.
4354         (m68k_rtx_costs): Update call accordingly.
4355         (output_move_const_into_data_reg): Likewise.  Fix formatting.
4356         (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
4357         Return a bool.
4358         (output_move_simode_const): Update calls after above changes.
4359         Rework to use automatic variables and predicates like MEM_P.
4360         * config/m68k/m68k.md (pushexthisi_const): Update call to
4361         valid_mov3q_const.
4363 2007-01-19  Dirk Mueller  <dmueller@suse.de>
4365         * tree-ssa-alias.c (perform_var_substitution): Fix typo
4366         in dump_flags test.
4368 2007-01-19  Richard Guenther  <rguenther@suse.de>
4370         * builtins.c (expand_builtin_cexpi): Fall back to expanding
4371         via cexp in case sincos is not available.
4373 2007-01-19  Richard Guenther  <rguenther@suse.de>
4375         * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
4376         * defaults.h (TARGET_HAS_SINCOS): Default to off.
4377         * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
4378         * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
4379         * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
4380         * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
4381         * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
4382         * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
4384 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
4386         * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
4387         New insn patterns.
4388         (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
4389         (atan2xf3): Directly generate RTL pattern.
4390         (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
4391         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
4392         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
4393         disable patterns for SSE math.
4394         (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
4395         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
4396         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
4397         disable patterns for SSE math.
4399 2007-01-19  Alexandre Oliva  <aoliva@redhat.com>
4401         * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
4403 2007-01-18  Roger Sayle  <roger@eyesopen.com>
4405         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
4406         VIEW_CONVERT_EXPR to the same type as it's operand.
4408 2007-01-18  David Edelsohn  <edelsohn@gnu.org>
4410         * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
4411         configured for long double 128.
4413 2007-01-18  Mike Stump  <mrs@apple.com>
4415         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
4416         error.
4418 2007-01-18  Michael Meissner  <michael.meissner@amd.com>
4420         * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
4421         type correct.
4423 2007-01-18  Jan Hubicka  <jh@suse.cz>
4425         * tree-ssa-operands.c (vop_free_bucket_size): Never return value
4426         greater than NUM_VOP_FREE_BUCKETS.
4428 2007-01-18  Daniel Berlin  <dberlin@dberlin.org>
4430         * tree-ssa-structalias.c: Update comments.
4431         (ptabitmap_obstack): Removed.
4432         (pta_obstack): New.
4433         (oldpta_obstack): Ditto.
4434         (stats): Add a few members.
4435         (struct variable_info): Remove node, complex, address_taken, and
4436         indirect_target members. Add oldsolution member.
4437         (new_var_info): Do not initialize removed members.
4438         (constraint_expr_type): Remove INCLUDES.
4439         (constraint_graph): Add size, implicit_preds, rep,
4440         indirect_cycles, eq_rep, label, direct_nodes, and complex members.
4441         (FIRST_REF_NODE): New macro.
4442         (LAST_REF_NODE): Ditto.
4443         (FIRST_ADDR_NODE): Ditto.
4444         (find): New function.
4445         (unite): Ditto.
4446         (dump_constraint): Do not handle INCLUDES.
4447         (insert_into_complex): Do not insert duplicate constraints.
4448         (condense_varmap_nodes): Renamed and rewritten into ...
4449         (merge_node_constraints): This. Also fix bug in handling of
4450         offseted copy constraints.
4451         (clear_edges_for_node): No longer need to deal with preds at all,
4452         or removing associated preds/succs.
4453         (merge_graph_nodes): Deal with indirect_cycles.
4454         Don't deal with predecessors.
4455         (add_implicit_graph_edge): New function.
4456         (add_pred_graph_edge): Ditto.
4457         (add_graph_edge): Don't deal with predecessors.
4458         (build_constraint_graph): Removed.
4459         (build_pred_graph): New function.
4460         (build_succ_graph): Ditto.
4461         (struct scc_info): Removed in_component. Added roots, dfs, and
4462         node_mapping. Remove visited_index, unification_queue.
4463         (scc_visit): Deal with union-find we do now.
4464         Deal with cycles with REF nodes.
4465         (collapse_nodes): Renamed and rewritten to ...
4466         (unify_nodes): This.
4467         (process_unification_queue): Removed.
4468         (topo_visit): Cleanup
4469         (do_da_constraint): Use find.
4470         (do_sd_constraint): Ditto.
4471         (do_ds_constraint): Ditto.
4472         (do_complex_constraint): Ditto.
4473         (init_scc_info): Update for removed and added members.
4474         (find_and_collapse_graph_cycles): Renamed and rewritten into ...
4475         (find_indirect_cycles): This.
4476         (equivalence_class): New variable.
4477         (label_visit): New function.
4478         (perform_variable_substitution): Rewritten.
4479         (free_var_substitution_info): New function.
4480         (find_equivalent_node): Ditto.
4481         (move_complex_constraints): Ditto.
4482         (eliminate_indirect_cycles): Ditto.
4483         (solve_graph): Only propagate changed bits.
4484         Use indirect cycle elimination.
4485         Use find.
4486         (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
4487         (tree_id_eq): Renamed to ...
4488         (tree_vi_eq): This. Update for member change
4489         (insert_id_for_tree): Renamed and rewritten to ...
4490         (insert_vi_for_tree): This.
4491         (lookup_id_for_tree): Renamed and rewritten to ...
4492         (lookup_vi_for_tree): This.
4493         (get_id_for_tree): Renamed and rewritten to ...
4494         (get_vi_for_tree): Ditto.
4495         (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
4496         (process_constraint): Don't handle INCLUDES.
4497         Remove special ADDRESSOF case.
4498         (find_func_aliases): Rewrite to use vi functions instead of id
4499         ones.
4500         (create_function_info_for): Ditto.
4501         (create_variable_info_for): Ditto.
4502         (intra_create_variable_infos): Ditto.
4503         (merge_smts_into): Ditto.
4504         (find_what_p_points_to): Ditto.
4505         (init_base_vars): Ditto.
4506         (init_alias_vars): Ditto.
4507         (remove_preds_and_fake_succs): New function.
4508         (dump_sa_points_to_info): Dump new stats.
4509         (dump_solution_for_var): Use find.
4510         (set_used_smts): Fix formatting.
4511         (compute_points_to_sets): Updated for new functions.
4512         (ipa_pta_execute): Ditto.
4514 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
4515             Richard Sandiford  <richard@codesourcery.com>
4517         * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
4518         parallels.
4519         * calls.c (expand_call): If the return value is a PARALLEL,
4520         extract its first member.
4521         * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
4522         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
4523         use FUNCTION_EXTRA_EPILOGUE.
4524         (m68k_function_value): Return a PARALLEL if the return value
4525         is of a pointer type.
4526         * config/m68k/netbsd-elf.h (current_function_returns_pointer)
4527         (FUNCTION_EXTRA_EPILOGUE): Remove.
4528         * config/m68k/m68k.md (D0_REG): New constant.
4530 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
4532         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
4533         output a NOP for empty epilogues.
4535 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4537         * config/m68k/m68k.c (m68k_use_return_insn): Update comments
4538         before function.  Extend register save check to include all
4539         registers, not just integer ones.
4541 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
4543         * config/m68k/m68k-protos.h (use_return_insn): Rename to...
4544         (m68k_use_return_insn): ...this.
4545         * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
4546         * config/m68k/m68k.c (use_return_insn): Rename to...
4547         (m68k_use_return_insn): ...this.
4548         * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
4549         of USE_RETURN_INSN.
4551 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
4553         * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
4554         nearest even, fix denormal rounding overflow.
4556 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4558         * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
4559         f%$smove and f%$move.
4560         (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
4561         (extendsfdf2_cf): Use fdmove instead of f%&move.
4562         (truncdfsf2_cf): Use fsmove instead of f%$smove.
4563         (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
4565 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4567         * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
4568         GPR<-GPR moves.
4570 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4572         * real.h (real_format): Add a canonical_nan_lsbs_set field.
4573         (coldfire_single_format): Declare.
4574         (coldfire_double_format): Likewise.
4575         * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
4576         of qnan_msb_set to determine the lower bits of a canonical
4577         NaN significand.
4578         (encode_ieee_double): Likewise.
4579         (encode_ieee_quad): Likewise.
4580         (ieee_single_format): Initialize canonical_nan_lsbs_set.
4581         (mips_single_format): Likewise.
4582         (ieee_double_format): Likewise.
4583         (mips_double_format): Likewise.
4584         (ieee_extended_motorola_format): Likewise.
4585         (ieee_extended_intel_96_format): Likewise.
4586         (ieee_extended_intel_128_format): Likewise.
4587         (ieee_extended_intel_96_round_53_format): Likewise.
4588         (ibm_extended_format): Likewise.
4589         (mips_extended_format): Likewise.
4590         (ieee_quad_format): Likewise.
4591         (mips_quad_format): Likewise.
4592         (vax_f_format): Likewise.
4593         (vax_d_format): Likewise.
4594         (vax_g_format): Likewise.
4595         (i370_single_format): Likewise.
4596         (i370_double_format): Likewise.
4597         (decimal_single_format): Likewise.
4598         (decimal_double_format): Likewise.
4599         (decimal_quad_format): Likewise.
4600         (c4x_single_format): Likewise.
4601         (c4x_extended_format): Likewise.
4602         (real_internal_format): Likewise.
4603         (coldfire_single_format): New real_format.
4604         (coldfire_double_format): Likewise.
4605         * config/pdp11/pdp11.c (pdp11_f_format): Initialize
4606         canonical_nan_lsbs_set.
4607         (pdp11_d_format): Likewise.
4608         * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
4609         if TARGET_COLDFIRE_CPU.
4611 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4613         * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
4614         (output_call, m68k_legitimize_call_address): Declare.
4615         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
4616         parenthesees.  Add support for a 'W' constraint.
4617         (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
4618         (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
4619         (m68k_symbolic_call, m68k_symbolic_jump): Declare.
4620         * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
4621         variables.
4622         (override_options): Initialize them.  Do not set flag_no_function_cse
4623         for TARGET_ID_SHARED_LIBRARY.
4624         (m68k_output_pic_call): Delete.
4625         (m68k_legitimize_call_address): New function.
4626         (print_operand): Remove the %o prefix.  Handle the %p prefix.
4627         (output_call): New function.
4628         (m68k_output_mi_thunk): Use m68k_symbolic_jump.  Always load the
4629         target address from the GOT if symbolic jumps are not allowed.
4630         * config/m68k/m68k.md (call, general_operand): Do not set
4631         SYMBOL_REF_FLAG.  Use m68k_legitimize_call_address instead.
4632         Merge separate flag_pic and !flag_pic define_insns into...
4633         (*call, *call_value): ...these new patterns.  Match the address
4634         rather than the containing MEM and require it to be a call_operand.
4635         Use output_call to generate the asm template.
4636         * config/m68k/predicates.md (const_call_operand): New predicate.
4637         (call_operand): Likewise.
4639 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
4641         * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
4642         (STACK_GROWS_DOWNWARD): Define to 1.
4643         (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
4644         comments, emphasizing that these values are only defaults.
4645         * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
4646         * config/m68k/m68k.c (const_method): Remove trailing whitespace.
4648 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4650         * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
4652 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
4653             Richard Sandiford  <richard@codesourcery.com>
4655         * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
4656         (FP_REGNO_P): New macros.
4657         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
4658         (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
4659         (EH_RETURN_STACKADJ_RTX): Use A0_REG.
4660         * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
4662 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
4664         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
4665         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
4666         to $tmake_file.
4667         * config/m68k/t-floatlib: New file, extracting common code from...
4668         * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
4669         * config/m68k/t-uclinux: Here.
4670         * config/m68k/fpgnulib.c: Do not compile extendeed precision
4671         routines on ColdFire targets.
4673 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
4675         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
4676         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
4677         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
4678         (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
4679         explicitly set MOTOROLA to 1.
4680         * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
4682 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4683             Nathan Sidwell  <nathan@codesourcery.com>
4685         * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
4686         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
4687         * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
4688         * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
4689         * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
4690         * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
4691         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
4692         (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
4693         (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
4694         * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
4695         * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
4696         (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
4697         (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
4698         (DBX_REGISTER_NUMBER): Delete.
4699         * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
4700         (PCC_STATIC_STRUCT_RETURN): Don't undefine.
4701         * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
4703 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4705         * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
4706         * config/flat.h: New file.
4707         * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
4708         OBJECT_FORMAT_FLAT.
4709         * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
4710         indirect references for -msep-data or -mid-shared-library.
4711         Do not use PC-relative code addresses either.
4712         * config/m68k/m68k.c (override_options): Restrict -fPIC error
4713         to -mpcrel.
4714         * config/m68k/uclinux.h (STARTFILE_SPEC): Define.  Use Scrt1.o
4715         for shared libraries and crt1.o for executables.  Use crti.o and
4716         crtbegin.o.
4717         (ENDFILE_SPEC): Use crtend.o and crtn.o.
4718         (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
4719         Do not add -elf2flt or -shared-lib-id options here.
4720         (LINK_SPEC): Define.  Pass -elf2flt if no -elf2flt option is given.
4721         Pass -shared-lib-id if -mid-shared-library, taking the library
4722         identifier from -mshared-library-id if given, otherwise
4723         defaulting to 0.
4724         (EH_FRAME_IN_DATA_SECTION): Do not undefine.
4725         (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
4726         (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
4727         and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
4728         (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
4729         * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
4730         and crtend.o.
4731         * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
4732         jump sequence for ISA A and ISA A+.
4733         (PICJUMP): Likewise.
4735 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4737         * config.gcc (m68k-*-uclinux*): Base the port on the common
4738         and m68k GNU/Linux files rather than on the generic ELF ones.
4739         * config/m68k/uclinux.h (TARGET_VERSION): Override.
4740         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
4742 2007-01-18  Julian Brown  <julian@codesourcery.com>
4743             Richard Sandiford  <richard@codesourcery.com>
4745         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
4746         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
4747         * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
4748         before redefining.
4749         * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
4750         80 unconditionally.
4751         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
4753 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4755         * doc/install.texi: Document m68k-uclinuxoldabi.
4756         * config.gcc (m68k-*-uclinuxoldabi): New configuration.
4757         * config/m68k/uclinux-oldabi.h: New file, copied from
4758         config/m68k/uclinux.h.
4760 2007-01-18  Kaz Kojima  <kkojima@rr.iij4u.or.jp>
4762         * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
4763         * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
4764         (m32r_compute_frame_size): Use unsigned for regno.
4765         (m32r_reload_lr): Use gen_frame_mem.
4766         (pop): New.
4767         (m32r_output_function_epilogue): Don't output the function epilogue
4768         textually here.
4769         (m32r_expand_epilogue): New.
4770         (direct_return): Return false if the function has the interrupt
4771         attribute.
4772         (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
4773         * config/m32r/m32r.md (epilogue): New expander.
4774         (return_lr, return_rte): New insns.
4775         (return): Make it expander.
4776         (return_normal): New expander.
4778 2007-01-18  Josh Conner  <jconner@apple.com>
4780         PR target/30485
4781         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
4782         support for UNLE, UNLT, UNGE, and UNGT.
4784 2007-01-18  Jan Hubicka  <jh@suse.cz>
4786         * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
4787         * tree-tailcall (add_virtual_phis): Likewise.
4788         (optimize_tail_call): Return TODOs.
4789         (execute_tail_calls): Return TODOs.
4790         * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
4791         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
4792         changed.
4793         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
4794         Cleanup cfg using TODO.
4795         * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
4796         * passes.c (execute_function_todo): When cleanup did something, remove
4797         unused locals.
4798         * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
4799         (make_edges): Don't cleanup_cfg.
4801 2007-01-18  Uros Bizjak  <ubizjak@gmail.com>
4803         * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
4804         UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
4805         operate on the top of stack.
4806         [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
4807         register handling of instructions that output to the second
4808         stack slot.
4809         [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
4810         (move_for_stack_reg): Special-case check for dead destination
4811         stack slot for constant load of 1.0 inside UNSPEC_TAN.
4813         * config/i386/i386.md (UNSPEC_TAN): New constant.
4814         (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
4815         (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
4816         to correctly model move of constant 1.0 to top stack slot.
4817         (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
4818         (unnamed peephole2 pattern): Remove corresponding peephole2
4819         pattern that optimizes tan insn and loading of constant 1.0.
4820         (tanxf2): Use fptanxf4_i387.
4821         (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
4822         patterns using X87MODEF12 mode macro.  Use fptan_extend<mode>xf4_i387
4823         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
4824         disable patterns for SSE math.
4825         (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
4826         (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
4828 2007-01-18  Dirk Mueller  <dmueller@suse.de>
4829             Richard Guenther <rguenther@suse.de>
4831         PR diagnostic/8268
4832         * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
4833         * common.opt (Warray-bounds): Add new warning option.
4834         * c-opts.c (c_common_handle_option): Define -Warray-bounds
4835         if -Wall is given.
4836         * Makefile.in: make tree-vrp.o depend on toplev.h
4837         * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
4838         is enabled.
4839         (check_array_refs, check_array_bounds, check_array_ref): New.
4841 2007-01-18  Jan Hubicka  <jh@suse.cz>
4843         * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
4844         (execute_ssa_ccp): Return flags conditionally.
4845         * tree-ssa-propagate.c (substitue_and_fold): Return if something was
4846         changed.
4847         * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
4849 2007-01-18  Steven Bosscher  <steven@gcc.gnu.org>
4851         * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
4852         the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
4854         * Makefile.c (GTFILES): Add cfglayout.h.
4855         * gengtype.c (open_base_files): Likewise.
4856         * cfglayout.c (cfg_layout_function_footer,
4857         cfg_layout_function_header) Reindent to make gengtype happy.
4858         * cfglayout.h (cfg_layout_function_footer,
4859         cfg_layout_function_header): Add GTY(()) marker.
4861         * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
4863 2007-01-18  Ben Elliston  <bje@au.ibm.com>
4865         * genautomata.c (write_automata): Include xstrerror output in the
4866         error message if writing the DFA description file fails.
4868 2007-01-17  H.J. Lu  <hongjiu.lu@intel.com>
4870         * config/mips/mips-protos.h (mips_output_external): Make it
4871         return void.
4872         * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
4873         * config/mips/mips.c (irix_output_external_libcall): Likewise.
4874         (extern_list): Likewise.
4875         (extern_head): Likewise.
4876         (TARGET_ASM_FILE_END): Likewise.
4877         (mips_file_end): Likewise.
4878         (mips_output_external): Rewritten.
4880 2007-01-18  Ben Elliston  <bje@au.ibm.com>
4882         * genpreds.c (write_insn_preds_c): Only write out the function
4883         body for regclass_for_constraint if we have register constraints.
4885 2007-01-17  Tom Tromey  <tromey@redhat.com>
4887         * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
4888         * doc/install.texi (Testing): Use sourceware.org.
4889         (Binaries): Likewise.
4890         (Specific): Likewise.
4891         * doc/contrib.texi (Contributors): Use sourceware.org.
4893 2007-01-17  Anatoly Sokolov <aesok@post.ru>
4895         * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
4896         (AVR_ENHANCED): Rename to ...
4897         (AVR_HAVE_MUL): ... new.
4898         (avr_enhanced_p): Rename to ...
4899         (avr_have_mul_p): ... new.
4900         (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of
4901         'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
4902         * config/avr/avr.c (avr_enhanced_p): Rename to ...
4903         (avr_have_mul_p): ... new.
4904         (base_arch_s): Rename 'enhanced' to 'have_mul'.
4905         (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
4906         'avr_enhanced_p' and 'enhanced'.
4907         (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use
4908         AVR_HAVE_MUL instead of AVR_ENHANCED.
4909         * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
4910         (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3,
4911         *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL
4912         instead of AVR_ENHANCED.
4913         (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
4914         * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
4915         (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
4917 2007-01-17  Ian Lance Taylor  <iant@google.com>
4919         * vec.h (VEC_reserve_exact): Define.
4920         (vec_gc_p_reserve_exact): Declare.
4921         (vec_gc_o_reserve_exact): Declare.
4922         (vec_heap_p_reserve_exact): Declare.
4923         (vec_heap_o_reserve_exact): Declare.
4924         (VEC_OP (T,A,reserve_exact)): New static inline function, three
4925         versions.
4926         (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
4927         negative parameter.
4928         (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
4929         (VEC_OP (T,A,copy)) [all versions]: Likewise.
4930         (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
4931         * vec.c (calculate_allocation): Add exact parameter.  Change all
4932         callers.
4933         (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
4934         (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
4935         (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
4936         (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
4937         (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
4938         (vec_heap_p_reserve_exact): New function.
4939         (vec_heap_o_reserve_exact): New function.
4941 2007-01-17  Jan Hubicka  <jh@suse.cz>
4943         * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
4945 2007-01-17  Eric Christopher  <echristo@apple.com>
4947         * config.gcc: Support core2 processor.
4949 2007-01-16  Jan Hubicka  <jh@suse.cz>
4951         * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
4952         the names, just unlink the chain so we don't crash on dangling pointers
4953         to dead SSA names.
4955 2007-01-16  Jan Hubicka  <jh@suse.cz>
4957         * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
4958         * tree-pass.h: Reorder to make IPA passes appear toegher.
4959         (pass_early_inline, pass_inline_parameters, pass_apply_inline): Declare.
4960         * cgraphunit.c (cgraph_finalize_function): Do not compute inling
4961         parameters, do not call early inliner.
4962         * ipa-inline.c: Update comments.  Include tree-flow.h
4963         (cgraph_decide_inlining): Do not compute inlining parameters.
4964         (cgraph_decide_inlining_incrementally): Return TODOs; assume to
4965         be called with function context set up.
4966         (pass_ipa_inline): Remove unreachable functions before pass.
4967         (cgraph_early_inlining): Simplify assuming to be called from the
4968         PM as local pass.
4969         (pass_early_inline): New pass.
4970         (cgraph_gate_ipa_early_inlining): New gate.
4971         (pass_ipa_early_inline): Turn into simple wrapper.
4972         (compute_inline_parameters): New function.
4973         (gate_inline_passes): New gate.
4974         (pass_inline_parameters): New pass.
4975         (apply_inline): Move here from tree-optimize.c
4976         (pass_apply_inline): New pass.
4977         * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
4978         transforming.
4979         * tree-inline.c (optimize_inline_calls): Return TODOs rather than
4980         doing them by hand.
4981         (tree_function_versioning): Do not allocate dummy struct function.
4982         * tree-inline.h (optimize_inline_calls): Update prototype.
4983         * tree-optimize.c (execute_fixup_cfg): Export.
4984         (pass_fixup_cfg): Remove
4985         (tree_rest_of_compilation): Do not apply inlines.
4986         * tree-flow.h (execute_fixup_cfg): Declare.
4987         * Makefile.in (gt-passes.c): New.
4988         * passes.c: Include gt-passes.h
4989         (init_optimization_passes): New passes.
4990         (nnodes, order): New static vars.
4991         (do_per_function_toporder): New function.
4992         (execute_one_pass): Dump current pass here.
4993         (execute_ipa_pass_list): Don't dump current pass here.
4995 2007-01-16  Janis Johnson  <janis187@us.ibm.com>
4997         * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
4998         (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
5000 2007-01-16  David Edelsohn  <edelsohn@gnu.org>
5002         * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
5003         (strong_alias): Define.
5004         (__gcc_qmul): Provide non-FMA for soft-float.
5005         (__gcc_qdiv): Same.
5006         (__gcc_qneg): New.
5007         (__gcc_qeq): New.
5008         (__gcc_qle): New.
5009         (__gcc_qge): New.
5010         (__gcc_qunord): New.
5011         (__gcc_stoq): New.
5012         (__gcc_dtoq): New.
5013         (__gcc_qtos): New.
5014         (__gcc_qtod): New.
5015         (__gcc_qtoi): New.
5016         (__gcc_qtou): New.
5017         (__gcc_itoq): New.
5018         (__gcc_utoq): New.
5019         (fmsub): New.
5020         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
5021         soft-float functions.
5022         * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
5023         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
5024         about long double soft float.
5026 2007-01-16  Dorit Nuzman  <dorit@il.ibm.com>
5027             Tehila Meyzels  <tehila@il.ibm.com>
5029         * tree-vectorizer.h (is_pattern_stmt_p): New.
5030         * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
5031         formatting (tabs instead of spaces). Cleanup and clarify setting
5032         of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
5033         * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
5034         (vectorizable_type_demotion): Check that types are integral.
5035         (vectorizable_type_promotion): Likewise.
5036         (vectorizable_store): Fix typo.  Eliminate new-line at end of
5037         comments.
5039 2007-01-16  Jan Hubicka  <jh@suse.cz>
5041         * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
5042         cgraph edges too.
5044 2007-01-15  Eric Christopher  <echristo@apple.com>
5046         * ifcvt.c: Include vec.h, vecprim.h.
5047         (check_cond_move_block): New argument regs.
5048         Reorganize. Add registers used to regs.
5049         (cond_move_process_if_block): Use regs set above as
5050         loop bounds.
5052 2007-01-15  Eric Christopher  <echristo@apple.com>
5054         * config/darwin.h: Update copyright.
5055         (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
5056         (LINK_COMMAND_SPEC): Add -u.
5057         (LINK_SPEC): Fix umbrella for above.
5059 2007-01-15  Joseph S. Myers  <joseph@codesourcery.com>
5061         * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
5062         glibc CVS.
5064 2007-01-15  Tom Tromey  <tromey@redhat.com>
5066         * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
5067         * doc/install.texi (Testing): Don't mention jacks.
5068         (Configuration): Document --enable-java-maintainer-mode.  Move
5069         --with-java-home to libgcj-specific section.  Document
5070         --with-ecj-jar.
5071         (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
5073 2007-01-15  Jan Hubicka  <jh@suse.cz>
5075         * tree-ssa-dce.c (DCE_TODOs): New.
5076         (propagate_necessity): Return if something changed.
5077         (eliminate_unnecessary_stmts): Likewise.
5078         (perform_tree_ssa_dce): Return TODO flags when needed.
5079         (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
5081 2007-01-15  Uros Bizjak  <ubizjak@gmail.com>
5083         * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
5084         (fyl2x_extend<mode>xf3_i387): New insn pattern.
5085         (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
5086         patterns using X87MODEF12 mode macro.  Extend operand 1
5087         to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
5088         (log10<mode>2): Ditto.
5089         (log2<mode>2): Ditto.
5090         (log1p<mode>2): Ditto.
5091         (logb<mode>2): Ditto.
5092         (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
5093         (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
5094         (*fxtractxf3_i387): Rename from *fxtractxf3.
5095         (fxtract_extend<mode>xf3_i387): New insn pattern.
5096         (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
5097         * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
5098         and gen_fyl2xxf3_i387().
5100 2007-01-14  Zdenek Dvorak <dvorakz@suse.cz>
5102         * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
5103         * cfgloopmanip.c (fix_loop_placement): Made static.  Use
5104         get_loop_exit_edges.  Changed return type to bool.
5105         * cfgloop.h (fix_loop_placement): Declaration removed.
5107 2007-01-14  Dorit Nuzman  <dorit@il.ibm.com>
5109         * param.h (MIN_VECT_LOOP_BOUND): New.
5110         * params.def (MIN_VECT_LOOP_BOUND): New.
5111         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
5112         argument - minimum threshold for number of iterations.
5113         * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
5114         argument to declaration.
5115         * tree-vect-analyze.c (vect_analyze_operations): Check value of
5116         MIN_VECT_LOOP_BOUND.
5117         * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
5118         slpeel_tree_peel_loop_to_edge with additional argument.
5119         (vect_do_peeling_for_alignment): Likewise.
5120         * doc/invoke.texi (min-vect-loop-bound): Document new param option.
5122 2007-01-14  Uros Bizjak  <ubizjak@gmail.com>
5124         PR target/30413
5125         * config/i386/i386.c (print_operand) ['z']: Output 'b' for
5126         operands of size 1.
5128 2007-01-14  Jan Hubicka  <jh@suse.cz>
5130         * tree-dfa.c (remove_referenced_var): New function.
5131         * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
5132         prune referenced vars list too.
5133         * tree-flow.h (remove_referenced_var): Declare.
5135 2007-01-14  Jan Hubicka  <jh@suse.cz>
5137         * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
5138         separately.
5139         (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
5140         (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
5141         * except.h (verify_eh_throw_table_statements): Kill prototype.
5142         * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
5143         into call exrepssions.
5144         * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
5145         eh trhow verifier.
5146         * tree-cfg.c: Include pointer-set.h.
5147         (verify_node_sharing): Work on pointer set.
5148         (verify_eh_throw_stmt_node): New.
5149         (verify_stmts): Use pointers sets, verify throw_stmt.
5151 2007-01-13  Zdenek Dvorak <dvorakz@suse.cz>
5153         * ipa-reference.c (analyze_function): Consider also addresses taken
5154         in phi nodes.
5156 2007-01-12  Roger Sayle  <roger@eyesopen.com>
5158         * c-typeck.c (null_pointer_constant_p): Replace use of
5159         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
5160         (build_c_cast): Likewise.
5162 2007-01-12  Roger Sayle  <roger@eyesopen.com>
5164         * tree.h (force_fit_type_double): Remove unused final argument.
5165         * c-common.c (constant_expression_warning): Replace use of
5166         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
5167         (convert_and_check): Likewise.
5168         (shorten_compare): Update call to force_fit_type_double.
5169         (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
5170         * convert.c (convert_to_pointer): Update call to
5171         force_fit_type_double.
5172         * fold-const.c (force_fit_type_double): Remove overflowed_const
5173         argument.
5174         (int_const_binop, fold_convert_const_int_from_int,
5175         fold_convert_const_int_from_real, fold_div_compare,
5176         fold_sign_changed_comparison, fold_unary, fold_negate_const,
5177         fold_abs_const, fold_not_const): Remove the final argument from
5178         calls to force_fit_type_double.
5180 2007-01-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5182         * configure.ac: Set insn to "nop" for spu-*-* also.
5183         * configure: Regenerate.
5185 2007-01-12  Olga Golovanevsky  <olga@il.ibm.com>
5187         * builtins.def : Add BUILT_IN_FREE.
5189 2007-01-12  Jan Hubicka  <jh@suse.cz>
5191         PR tree-optimization/30443
5192         * tree-inline.c (tree_function_versioning): Do not optimize when
5193         cloning for inlining.
5195 2007-01-12  Zdenek Dvorak <dvorakz@suse.cz>
5197         * doc/loop.texi: Document recording of loop exits.
5198         * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
5199         (update_single_exits_after_duplication,
5200         update_single_exit_for_duplicated_loop,
5201         update_single_exit_for_duplicated_loops): Removed.
5202         (duplicate_loop_to_header_edge): Do not call
5203         update_single_exits_after_duplication and
5204         update_single_exit_for_duplicated_loops.
5205         (loop_version): Do not update single_exit information.
5206         (fix_loop_structure): Use record_loop_exits instead of
5207         mark_single_exit_loops.
5208         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
5209         the lists of loop exits.
5210         * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
5211         split_edge, merge_blocks): Update the lists of loop exits.
5212         * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
5213         loop_optimizer_init.
5214         * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
5215         of mark_single_exit_loops.
5216         (loop_optimizer_finalize): Call release_recorded_exits.
5217         * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
5218         LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
5219         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
5220         update single exit information.
5221         * lambda-code.c (perfect_nestify): Ditto.
5222         * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
5223         (mark_single_exit_loops): Removed.
5224         (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
5225         get_exit_descriptions, rescan_loop_exit, record_loop_exits,
5226         dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
5227         functions.
5228         (get_loop_exit_edges, single_exit): Use recorded exit lists.
5229         (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
5230         (verify_loop_structure): Verify consistency of the exit lists.
5231         (flow_loops_find): Use alloc_loop.  Initialize exits hash.
5232         (set_single_exit): Removed.
5233         * cfgloop.h (struct loop_exit): New function.
5234         (struct loop): single_exit_ field replaced by exits field.
5235         (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
5236         (struct loops): Added exits hash.
5237         (mark_single_exit_loops, set_single_exit): Declaration removed.
5238         (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
5240 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
5242         * doc/invoke.texi: Avoid use of @headitem.
5244 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
5246         * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
5248 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
5250         * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
5251         list of targets.
5253 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
5254             Richard Sandiford  <richard@codesourcery.com>
5256         * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
5257         * config/m68k/m68k.opt: Resort options.
5258         (mbitfield, mrtd, mshort): Remove RejectNegative properties.
5260 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
5261             Richard Sandiford  <richard@codesourcery.com>
5263         * doc/invoke.texi: Document the macros that are defined by
5264         m68k's -mtune and -mhard-float options.
5265         * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
5266         (m68k_cpp_cpu_family): Likewise.
5267         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
5268         of __ucfv*__ macros.  Define __mcffpu__ if generating code for
5269         ColdFire FPUs.  Define __mcf_cpu_* and __mcf_family_* macros.
5270         * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
5271         (m68k_cpp_cpu_family): Likewise.
5273 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
5275         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
5276         macros besides mc68000 as tuning macros.  Use a switch statement
5277         to set them and mcpu32.
5279 2007-01-12  Julian Brown  <julian@codesourcery.com>
5281         * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
5282         (TARGET_68040_ONLY): Rename to...
5283         (TARGET_68040): ...this.
5284         * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
5285         * config/m68k/m68k.md: Likewise.
5287 2007-01-12  Julian Brown  <julian@codesourcery.com>
5288             Nathan Sidwell  <nathan@codesourcery.com>
5289             Richard Sandiford  <richard@codesourcery.com>
5291         * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
5292         the -mcpu= argument associated with the --with-cpu setting.
5293         Define M68K_DEFAULT_TUNE to the default -mtune= option,
5294         if different from the one implied by the -mcpu setting.
5295         Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
5296         using mcpu=FOO as the default CPU option.  Set target_cpu_default2.
5297         * doc/invoke.texi: Mention ColdFire in the introduction to the
5298         m68k options.  Document the new -march, -mcpu, -mtune, -mdiv,
5299         -mno-div and -mhard-float options.  Make -m68881 a synonym for
5300         -mhard-float.  Document the previously-undocumented -m5206e,
5301         -m528x, -m5307 and -m5407 options.  Tweak the existing option
5302         documentation for consistency.
5303         * doc/install.texi: Mention new --with-cpu arguments.
5304         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
5305         default CPU if neither -mcpu nor -march are specified.
5306         (ASM_CPU_SPEC): Pass down -mcpu and -march options.
5307         (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
5308         TARGET_ISA*.  Set the legacy __mcf*__ cpu macros in the same way,
5309         using m68k_tune to decide between families that implement the
5310         same ISA.  Use m68k_tune to set __mcfv4e__.
5311         (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
5312         (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
5313         (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
5314         (FL_ISA_C, FL_ISA_MMU): New macros.
5315         (MASK_COLDFIRE): Delete.
5316         (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
5317         (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
5318         (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
5319         (TARGET_HARD_FLOAT): Do not define here.
5320         (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
5321         (TUNE_68000): New macro.
5322         (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
5323         (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
5324         (TUNE_CFV2): Redefine in terms of m68k_tune.
5325         (uarch_type, target_device, fpu_type): New enums.
5326         (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
5327         * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
5328         (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
5329         (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
5330         (FL_FOR_isa_c): New macros.
5331         (m68k_isa): New enum.
5332         (m68k_target_selection): New structure.
5333         (all_devices, all_isas, all_microarchs): New tables.
5334         (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
5335         (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
5336         (MASK_ALL_CPU_BITS): Delete.
5337         (m68k_find_selection): New function.
5338         (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
5339         Map the legacy target options to a combination of the new ones.
5340         (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
5341         m68k_cpu_flags.  Handle M68K_DEFAULT_TUNE.  Use m68k_cpu_flags
5342         to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
5343         settings.
5344         * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
5345         (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
5346         properties.
5347         (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
5348         (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
5349         * config/m68k/m68k-devices.def: New file.
5351 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
5352             Nathan Sidwell  <nathan@codesourcery.com>
5354         * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
5355         (SUBTARGET_EXTRA_SPECS): New macros.
5356         * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
5357         use %(asm_cpu_spec) instead.
5358         * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
5359         * config/m68k/openbsd.h (ASM_SPEC): Likewise.
5360         * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
5361         (EXTRA_SPECS): Rename to...
5362         (SUBTARGET_EXTRA_SPECS): ...this.
5364 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
5365             Richard Sandiford  <richard@codesourcery.com>
5366             Julian Brown  <julian@codesourcery.com>
5368         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
5369         (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
5370         to the configuration's default CPU.
5371         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
5372         Remove default masks.
5373         (m680[012]0-*-*): Set the default with_cpu to the first part of
5374         the target name.
5375         (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
5376         (m68k*-*-linux): Extend the --with-cpu handling to...
5377         (m680[012]0-*-*, m68k*-*-*): ...these configurations.  Allow m68000
5378         and m68010.  Don't set target_cpu_default2.
5379         * doc/install.texi: Document --with-cpu for m68k.
5380         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
5381         * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
5382         (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
5383         (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
5384         (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
5385         (ASM_SPEC): Remove use of %(asm_cpu_default).
5386         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
5387         * config/m68k/linux.h (TARGET_DEFAULT): Delete.
5388         (CPP_SPEC): Merge definitions.  Do not handle __HAVE_68881__ here.
5389         * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
5390         __HAVE_FPU__ if TARGET_HARD_FLOAT.
5391         (TARGET_DEFAULT): Delete.
5392         (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
5393         cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
5394         (CPP_CPU_SPEC): Delete.
5395         (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
5396         the appropriate string.
5397         (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
5398         (CPP_SPEC): Define to NETBSD_CPP_SPEC.
5399         (ASM_SPEC): Don't use %(asm_default_spec).
5400         * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
5401         TARGET_DEFAULT and add MASK_68881.
5402         * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
5404 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
5406         * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
5407         (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
5408         MASK_68010 alongside MASK_68020.
5409         * doc/invoke.texi: Document -m68010.
5410         * config/m68k/m68k.opt (m68010): New.
5411         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
5412         if TUNE_68010.
5413         (TUNE_68010): New macro.
5414         * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
5415         (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
5416         (M68K_CPU_m68332): Add MASK_68010.
5417         * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
5418         fallback definition.
5419         * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
5420         defines.
5421         * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
5422         (m68k_handle_option): Handle OPT_m68010.  Add MASK_68010
5423         to all entries that use MASK_68020.
5424         (output_move_simode_const, output_move_himode, output_move_qimode)
5425         (output_move_stricthi, output_move_strictqi): Use TARGET_68010
5426         instead of TARGET_68020 to select clr behavior.  Remove comment
5427         about there being no TARGET_68010.
5428         * config/m68k/m68k.md: Likewise throughout.
5430 2007-01-12  Julian Brown  <julian@codesourcery.com>
5432         * config/m68k/m68k.h (TARGET_ISAB): New macro.
5433         * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
5434         * config/m68k/m68k.md: Likewise.
5436 2007-01-12  Julian Brown  <julian@codesourcery.com>
5438         * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
5439         TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
5441 2007-01-12  Julian Brown  <julian@codesourcery.com>
5443         * config/m68k/m68k.h (TUNE_68040_60): New macro.
5444         * config/m68k/m68k.c (standard_68881_constant_p): Use it.
5445         * config/m68k/m68k.md: Likewise.
5447 2007-01-12  Julian Brown  <julian@codesourcery.com>
5448             Richard Sandiford  <richard@codesourcery.com>
5450         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
5451         instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
5452         TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
5453         TARGET_CPU32.
5454         (TARGET_CPU32): Rename to...
5455         (TUNE_CPU32): ...this.
5456         (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
5457         (TUNE_CFV2): New macros.
5458         * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
5459         remove conditions that are implied by TARGET_68020.
5460         * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
5461         instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
5462         (m68k_output_function_epilogue): Likewise.
5463         (m68k_rtx_costs): Likewise.  Use TUNE_68060 instead of TARGET_68060
5464         and TUNE_CFV2 instead of TARGET_5200.  Use TUNE_68000_10 instead of
5465         "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
5466         non-68000 timings.  Refactor multiplication and division costs.
5467         (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
5468         TUNE_CPU32 instead of TARGET_CPU32.
5469         (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
5470         and TUNE_68060 instead of TARGET_68060.
5471         * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
5472         TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
5473         TARGET_CPU32.
5474         (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
5475         && !TARGET_COLDFIRE" to choose between moveq and clr.
5476         Likewise in the unnamed movsf pattern.
5477         (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
5478         "!TARGET_68020 && !TARGET_COLDFIRE".  Likewise the unnamed
5479         ashiftrt pattern.
5481 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
5483         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
5484         of tabbing before backslashes.
5486 2007-01-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5488         * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
5489         * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
5490         (ASM_OUTPUT_INTERNAL_LABEL): Define.
5492 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
5494         * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
5495         find_interesting_uses_cond.
5496         (find_interesting_uses_cond): Use extract_cond_operands.
5497         (rewrite_use_compare): Use extract_cond_operands and
5498         force_gimple_operand_bsi.  Do not call update_stmt.
5499         (determine_use_iv_cost_condition): Use extract_cond_operands.
5500         Return cheaper of using original bound and changing the exit bound.
5502 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
5504         PR tree-optimization/29516
5505         * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
5506         most_expensive_mult_to_index, addr_to_parts,
5507         create_mem_ref, maybe_fold_tmr): Make the type of
5508         fields of TARGET_MEM_REF sizetype.
5509         (move_fixed_address_to_symbol, move_pointer_to_base):
5510         New functions.
5511         * tree.def (TARGET_MEM_REF): Add comment on types of
5512         the operands.
5514 2007-01-11  Joseph Myers  <joseph@codesourcery.com>
5516         * c-common.c (vector_types_convertible_p): Treat opaque types as
5517         always convertible if they have the same size, but not otherwise.
5519 2007-01-11  Steven Bosscher  <steven@gcc.gnu.org>
5521         * ifcvt.c (struct noce_if_info): Add comments to the fields.
5522         Remove the b_unconditional field.
5523         (noce_try_sign_mask): Do not look at b_unconditional.
5524         (noce_process_if_block): Do not use merge_if_blocks.  Update
5525         the CFG here.  Do not set b_unconditional.
5526         (cond_move_process_if_block): Likewise.
5527         (find_cond_trap): Likewise.
5528         (check_cond_move_block): Require simple jump insns at the end
5529         of the basic block.
5531 2007-01-11  Jan Hubicka  <jh@suse.cz>
5533         PR tree-optimization/1046
5534         * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
5535         when alias info is not ready.
5536         (pass_tail_recursion): Do not require aliasing.
5537         * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
5538         * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
5539         * tree-ssa-copy.c (pass_copy_prop): Likewise.
5540         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
5541         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
5542         * passes.c (init_optimization_passes): Execute rename_ssa_copies,
5543         ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
5544         before inlining.
5545         * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
5546         When aliasing is not build, mark statement as volatile.
5548 2007-01-11  Tom Tromey  <tromey@redhat.com>
5550         PR preprocessor/15185, PR preprocessor/20989:
5551         * doc/cppopts.texi <-MT>: Update description of algorithm for
5552         computing default target.
5553         <-M, -MD>: Reword "basename" text.
5555 2007-01-11  Roger Sayle  <roger@eyesopen.com>
5557         * builtins.c (expand_builtin_pow, expand_builtin_powi,
5558         fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
5559         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
5560         fold_builtin_int_int_roundingfn, fold_builtin_bitop,
5561         fold_builtin_bswap, real_constp, fold_builtin_pow,
5562         fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
5563         do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
5564         uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
5565         * convert.c (convert_to_pointer): Likewise.
5566         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
5567         * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
5568         const_binop, fold_convert_const_int_from_int,
5569         fold_convert_const_int_from_real,
5570         fold_convert_const_real_from_real, sign_bit_p,
5571         optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
5572         fold_sign_changed_comparison, fold_unary, fold_comparison,
5573         fold_binary, multiple_of_p, tree_Expr_non_zero_p,
5574         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
5575         * print-tree.c (print_node_brief, print_node): Likewise.
5576         * stor-layout.c (place_field, layout_type): Likewise.
5577         * tree-chrec.c (keep_cast): Likewise.
5578         * tree.c (build_vector, build_real, build_real_from_int_cst,
5579         build_complex): Likewise.
5581 2007-01-11  Roger Sayle  <roger@eyesopen.com>
5583         * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete.  For the time being,
5584         treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
5586 2007-01-11  Paolo Bonzini  <bonzini@gnu.org>
5588         * configure.ac (strict1_warn): Rename to strict_warn.
5589         (WERROR, --enable-werror, symlink hacks, stage1_cflags,
5590         cc_set_by_configure, quoted_cc_set_by_configure,
5591         stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
5592         all_boot_languages, all_stagestuff): Remove.
5593         (target_list): Remove bootstrap targets.
5594         * Makefile.in (quickstrap): Unconditionally make a synonym of all.
5595         (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
5596         REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
5597         SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
5598         VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
5599         STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
5600         stage1_copy, stage2_build, stage2_copy, stageprofile_build,
5601         stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
5602         stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
5603         bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
5604         bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
5605         unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
5606         restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
5607         cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
5608         *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
5609         stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
5610         stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
5611         risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
5612         (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
5613         (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
5614         (mostlyclean): Adjust.
5615         (clean, distclean): Don't mention bootstrap stuff.
5616         * configure: Regenerate.
5617         * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
5618         java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
5619         treelang/config-lang.in (stagestuff): Remove.
5620         * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
5621         stageprofile, stagefeedback, stagestuff): Remove mention.
5623 2007-01-11  Nick Clifton  <nickc@redhat.com>
5625         * config/mcore/predicates.md (mcore_general_movesrc_operand):
5626         Accept CONSTs.
5627         (mcore_general_movdst_operand): Do not accept CONST_INTs.
5628         (mcore_arith_K_S_operand): Run the test for the S constraint not
5629         the test for the M constraint.
5630         (mcore_addsub_operand): Do not accept integer values that are
5631         larger than 32 bits.
5632         * config/mcore/mcore.md: Remove unused constraints from split.
5633         (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
5634         (addsi3): Likewise.
5635         (allocate_stack): Likewise.
5636         * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
5637         operands to 32 bits.
5638         (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
5639         INTVAL.
5640         (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
5641         mcore_const_ok_for_inline, mcore_const_trick_uses_not,
5642         try_constant_tricks, mcore_num_ones, mcore_num_zeros,
5643         mcore_output_bclri, mcore_output_andn, output_inline_const,
5644         mcore_output_move, mcore_output_movedouble): Likewise.
5645         (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
5646         (output_inline_const): Likewise.
5647         (output_inline_const): Fix format strings used in sprintf
5648         statements.
5649         * config/mcore/mcore-protos.h: Update prototypes for changed
5650         functions in mcore.c.
5651         * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
5652         HOST_WIDE_INT and not int.
5653         (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
5654         CONST_OK_FOR_N): Likewise.
5655         (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
5656         (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
5657         an INTVAL.
5659 2007-01-10  Jan Hubicka  <jh@suse.cz>
5661         * tree-vrp.c (remove_range_assertions): Release defs.
5662         * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
5663         * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
5665 2007-01-10  Paul Brook  <paul@codesourcery.com>
5667         * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
5668         * config/arm/arm.md (mulsi3subsi): New insn.
5670 2007-01-10  Zdenek Dvorak <dvorakz@suse.cz>
5672         * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
5673         (tree_transform_and_unroll_loop): New.
5674         * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
5675         Declare.
5677 2007-01-10  Robert Kennedy <jimbob@google.com>
5679         * fold-const.c (fold_comparison): Fold comparisons like (x *
5680         1000 < 0) to (x < 0).
5682 2007-01-10  Ian Lance Taylor  <iant@google.com>
5684         * tree-pretty-print.c (dump_generic_node): Print parentheses when
5685         operands have the same priority.
5687 2007-01-10  Tom Tromey  <tromey@redhat.com>
5689         * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
5690         (fold_binary): Likewise.
5691         * langhooks.c (lhd_can_use_bit_fields_p): Removed.
5692         * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
5693         (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
5694         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
5695         * langhooks.h (struct lang_hooks): Removed field
5696         'can_use_bit_fields_p'.
5698 2007-01-10  Ralf Corsépius <ralf.corsepius@rtems.org>
5700         * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
5702 2007-01-10  Razya Ladelsky  <razya@il.ibm.com>
5704         * function.c (get_last_funcdef_no): New function.
5705         * function.h (get_last_funcdef_no): Declare.
5706         * tree-inline.c (initialize_cfun): Add initialization.
5707         (tree_function_versioning): Cleanup.
5709 2007-01-10  Jan Hubicka  <jh@suse.cz>
5711         * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
5712         PHIs.
5714 2007-01-10  Sa Liu  <saliu@de.ibm.com>
5715             Ben Elliston  <bje@au.ibm.com>
5717         * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
5718         for SAVE_NONLOCAL and Pmode for any other save level.
5719         * spu-protos.h (spu_restore_stack_block): Declare.
5720         * spu.md (save_stack_block): Remove.
5721         (restore_stack_block): Call spu_restore_stack_block.
5722         * spu.c (spu_restore_stack_block): New function.
5723         (spu_expand_epilogue): Remove old comment.
5725 2007-01-09  Zdenek Dvorak <dvorakz@suse.cz>
5727         PR tree-optimization/30322
5728         * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
5729         (cand_value_at): Return the value as aff_tree.
5730         (may_eliminate_iv): Convert the bound from aff_tree to tree.
5731         * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
5732         aff_combination_mult): New functions.
5733         (aff_combination_add): Use aff_combination_add_cst.
5734         (aff_combination_convert): Allow conversions to a wider type.
5735         (tree_to_aff_combination): Handle BIT_NOT_EXPR.
5736         * tree-affine.h (aff_combination_mult): Declare.
5738 2007-01-09  Carlos O'Donell  <carlos@codesourcery.com>
5740         * doc/tm.texi: Update documentation to reflect reality of exec
5741         and start file search behaviours. Update copyright year.
5742         * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
5743         header file directories.
5745 2007-01-09  Uros Bizjak  <ubizjak@gmail.com>
5747         * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
5748         (*cosxf2): Rename to cosxf2_i387.
5749         (*sindf2, *sinsf2): Extend operand 1 to XFmode.  Macroize patterns
5750         using X87MODEF12 mode macro. Rename patterns to
5751         *sin_extend<mode>xf2_i387.  Use SSE_FLOAT_MODE_P to disable patterns
5752         for SSE math.
5753         (*cosdf2, *cossf2): Ditto.
5754         (sincosdf3, sincossf3): Ditto.  Rewrite corresponding splitters
5755         to match extended input operands.
5756         (sincos<mode>3): New expander.
5757         (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
5758         insn patterns and corresponding splitters.
5760 2007-01-09  Kaz Kojima  <kkojima@gcc.gnu.org>
5762         * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
5763         (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
5765 2007-01-09  Nicolas Pitre  <nico@cam.org>
5767         PR target/30173
5768         * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
5770 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
5772         * target.h (struct gcc_target): New field library_rtti_comdat.
5773         * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
5774         (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
5775         * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
5776         * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
5778 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
5780         * doc/invoke.texi (Optimize Options): Correct description of -O0.
5782 2007-01-08  Richard Guenther  <rguenther@suse.de>
5784         * tree.h (force_fit_type_double): Export.
5785         (force_fit_type): Remove.
5786         * fold-const.c (force_fit_type_double): New function.
5787         (force_fit_type): Remove.
5788         (int_const_binop): Use it.
5789         (fold_convert_const_int_from_int): Likewise.
5790         (fold_convert_const_int_from_real): Likewise.
5791         (fold_div_compare): Likewise.
5792         (fold_sign_changed_comparison): Likewise.
5793         (fold_unary): Likewise.
5794         (fold_negate_const): Likewise.
5795         (fold_abs_const): Likewise.
5796         (fold_not_const): Likewise.
5797         * c-common.c (shorten_compare): Use force_fit_type_double.
5798         * convert.c (convert_to_pointer): Likewise.
5800 2007-01-08  Richard Guenther  <rguenther@suse.de>
5802         * tree.h (build_int_cst_wide_type): Export.
5803         * tree.c (build_int_cst_wide_type): New function.
5804         (build_int_cst_wide): Fix comment.
5805         * builtins.c (fold_builtin_object_size): Use build_int_cst
5806         to build -1 or 0 of the correct type.  Use fit_double_type
5807         to check for overflow.
5808         * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
5809         to build the mask.
5810         (decode_field_reference): Likewise.
5811         (all_ones_mask_p): Likewise.
5812         (native_interpret_int): Use build_int_cst_wide_type.
5813         (fold_binary): Use build_int_cst_type to build an all-ones
5814         value.
5815         * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
5817 2007-01-08  Daniel Jacobowitz  <dan@codesourcery.com>
5819         * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
5821 2007-01-09  Ben Elliston  <bje@au.ibm.com>
5823         * genautomata.c (STATS_OPTION): New option.
5824         (stats_flag): New flag.
5825         (gen_automata_option): Handle it.
5826         (initiate_automaton_gen): Ditto.
5827         (write_automata): Output statistics only if stats_flag is
5828         set. Likewise, output time statistics only if time_flag is set.
5829         * doc/md.texi (Processor pipeline description): Document new flag.
5831 2007-01-08  Richard Guenther  <rguenther@suse.de>
5833         * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
5834         * tree.c (build_int_cst_type): Likewise.
5835         (size_in_bytes): Don't call force_fit_type on the result.
5836         (int_fits_type_p): Use fit_double_type.
5837         * fold-const.c (fit_double_type): New function.
5838         (force_fit_type): Use it.
5839         * tree.h (fit_double_type): Export.
5841 2007-01-08  Jan Hubicka  <jh@suse.cz>
5843         * tree-vectorizer.c (gate_increase_alignment): Fix return type.
5844         * ipa.c (function_and_variable_visibility): Fix return type.
5846 2007-01-08  Richard Guenther  <rguenther@suse.de>
5848         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
5849         of offset to build the index.
5850         * tree-pretty-print.c (dump_generic_node): Don't build negated
5851         const just for printing.
5852         * c-pretty-print.c (pp_c_integer_constant): Likewise.
5853         * builtins.c (fold_builtin_int_roundingfn): Check if result
5854         fits the type by using force_fit_type and comparing the result.
5855         * predict.c (predict_loops): Use compare_tree_int for comparison.
5856         * tree.c (build_int_cst): Fall back to integer_type_node for
5857         NULL_TREE type.
5858         (build_int_cst_wide): Assert type is non-null.
5860 2007-01-08  Roberto Costa  <roberto.costa@st.com>
5862         * tree-vrp.c (extract_range_from_cond_expr): New.
5863         (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
5864         * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
5865         as expressions.
5866         (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
5867         * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
5868         tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
5869         used as expressions.
5870         * tree-object-size.c (cond_expr_object_size): New.
5871         (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
5873 2007-01-08  Jan Hubicka  <jh@suse.cz>
5875         * tree-ssa-forwprop.c (forward_propagate_into_cond,
5876         tree_ssa_forward_propagate_single_use_va): Release defs of propagated
5877         statement.
5879 2007-01-08  Richard Guenther  <rguenther@suse.de>
5881         PR tree-optimization/23603
5882         * tree-vrp.c (set_value_range_to_truthvalue): New function.
5883         (extract_range_from_binary): Fall back to truthvalue instead of
5884         varying for TRUTH_*_EXPR.
5885         (extract_range_from_comparison): Fall back to truthvalue instead of
5886         varying.
5887         (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
5888         if all visited PHI values were constant.
5890 2007-01-08  Jan Hubicka  <jh@suse.cz>
5892         * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
5893         (cgraph_analyze_function): break out from ...
5894         (cgraph_finalize_compilation_unit): ... here.
5895         (cgraph_expand_function): Remove forgoten commented out line.
5896         (cgraph_optimize): Analyze functions.
5898 2007-01-08  Jan Hubicka  <jh@suse.cz>
5900         * tree-pas.h (TODO_remove_function): New flag.
5901         (TODO_update*): Renumber.
5902         (pass_ipa_increase_alignment,
5903         pass_ipa_function_and_variable_visibility): New passes.
5904         * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
5905         (cgraph_function_and_variable_visibility): Move to ipa.c
5906         (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
5907         cgraph_increase_alignment.
5908         * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
5909         (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
5910         calling tree-inline.
5911         (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
5912         (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
5913         * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
5914         (gate_increase_alignment): New function.
5915         (pass_ipa_increase_alignment): New pass.
5916         * ipa.c: Inline tree-pass.h and timevar.h
5917         (function_and_variable_visibility): Move here from cgraphunit.c
5918         * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
5919         * passes.c (init_optimization_passes): Add the two new passes.
5920         (execute_todo): Handle cgraph_remove_functions.
5922 2007-01-08  Nick Clifton  <nickc@redhat.com>
5924         * config/frv/predicates.md (reg_or_0_operand): Accept
5925         CONST_DOUBLEs.
5927 2007-01-08  Ralf Corsépius <ralf.corsepius@rtems.org>
5929         * config/bfin/rtems.h, config/bfin/t-rtems: New.
5930         * config.gcc: Add bfin*-rtems*.
5932 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
5934         * c.opt: Add -flax-vector-conversions.
5935         * c-typeck.c (convert_for_assignment): Pass flag to
5936         vector_types_convertible_p to allow emission of note.
5937         (digest_init): Likewise.
5938         * c-opts.c: Handle -flax-vector-conversions.
5939         * c-common.c (flag_lax_vector_conversions): New.
5940         (vector_types_convertible_p): Unless -flax-vector conversions
5941         has been passed, disallow conversions between vectors with
5942         differing numbers of subparts and/or element types.  If such
5943         a conversion is disallowed, possibly emit a note on the first
5944         occasion only to inform the user of -flax-vector-conversions.
5945         The new last argument specifies this.
5946         * c-common.h (flag_lax_vector_conversions): New.
5947         (vector_types_convertible_p): Add extra argument.
5948         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
5949         char_type_node for V*QI type vectors.
5950         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
5951         Update to satisfy new typechecking rules.
5952         * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
5953         C and C++ variants.
5954         * doc/invoke.texi (C Dialect Options): Document
5955         -flax-vector-conversions.
5957 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
5959         PR tree-optimization/29877
5960         * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
5961         a register variable on the RHS to not be replaceable.
5963 2007-01-08  Chen Liqin  <liqin@sunnorth.com.cn>
5964         * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
5965         * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
5966         const_simm15, const_pow2, const_npow2): Added.
5967         * config/score/misc.md (insv, extv, extzv, movmemsi,
5968         move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
5969         * config/score/score.c (score_address_cost, score_select_cc_mode):
5970         Added.
5971         Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
5972         Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
5973         Update score_print_operand.
5974         * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
5975         Adjust register allocate order and update some macro define.
5976         * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
5977         mdx_block_move_straight, mdx_block_move_loop_head,
5978         mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
5979         mdx_block_move): Added.
5980         (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
5981         mdp_limm): Updated and fix some bug and typo.
5982         * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
5983         (movsf, movdf, doloop_end): Added.
5985 2007-01-08  Kazu Hirata  <kazu@codesourcery.com>
5987         * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
5988         config/arm/thumb2.md: Fix comment typos.
5989         * doc/extend.texi: Fix a typo.
5991 2007-01-07  Eric Christopher  <echristo@apple.com>
5993         * configure.ac: Check for __stack_chk_fail for darwin.
5994         * configure: Regenerate.
5996 2007-01-07  Richard Guenther  <rguenther@suse.de>
5998         * tree-vrp.c (extract_range_from_assert): CSE calls to
5999         compare_values where possible.
6000         (extract_range_from_unary_expr): Likewise.
6002 2007-01-07  Anatoly Sokolov <aesok@post.ru>
6004         * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
6005         * config/avr/avr.c (call_insn_operand): Delete function.
6006         * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
6007         instead of register number. Use predicates.
6008         * config/avr/predicates.md (const0_operand, reg_or_0_operand,
6009         call_insn_operand): Add.
6011 2007-01-06  Jan Hubicka  <jh@suse.cz>
6013         * tree-pass.h (pass_build_cgraph_edges): Declare.
6014         * cgraphunit.c (record_refernece): Move to cgraphbuild.c
6015         (visited_nodes): Remove.
6016         (cgraph_create_edges): Move to cgraphbuild.c; rename to
6017         build_cgrpah_edges; make visited_nodes local.
6018         (cgraph_process_new_functions): DO not call initialize_inline_failed.
6019         (record_references_in_initializer): Move to cgraphbuild.c
6020         (initialize_inline_failed, rebuild_cgraph_edges,
6021         pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
6022         (verify_cgraph_node): Make visited_nodes local.
6023         (cgraph_analyze_function): Do not call cgraph_create_edges and
6024         initialize_inline_failed.
6025         (cgraph_expand_function): Do not call cgraph_lower_function;
6026         assert that function is already lowered.
6027         * Makefile.in (cgraphbuild.o): New.
6028         * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
6029         at the end of lowering passes.
6031 2007-01-06  Steven Bosscher  <steven@gcc.gnu.org>
6033         * ifcvt.c (cond_move_convert_if_block): New function, code
6034         factored out from...
6035         (cond_move_process_if_block): ...here.  Call the new function
6036         on the THEN and ELSE blocks.
6037         (merge_if_block): Do not copy global_live_at_end, merge_blocks
6038         already takes care of this.
6040 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6042         PR c/19978
6043         * tree.h (TREE_OVERFLOW_P): New.
6044         * c-typeck.c (parser_build_unary_op): Warn only if result
6045         overflowed and operands did not.
6046         (parser_build_binary_op): Likewise.
6047         (convert_for_assignment): Remove redundant overflow_warning.
6048         * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
6050 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6052         * c-typeck.c (store_init_value): Split over two lines to follow
6053         the GNU coding style.
6055 2007-01-05  Benjamin Kosnik  <bkoz@redhat.com>
6057         * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
6058         __GXX_EXPERIMENTAL_CXX0X__.
6059         * doc/cpp.texi: Same.
6061 2007-01-05  Richard Guenther  <rguenther@suse.de>
6063         PR middle-end/27826
6064         * tree.c (get_narrower): Do not construct COMPONENT_REFs
6065         with mismatched types.  Instead explicitly build a
6066         conversion NOP_EXPR.
6068 2007-01-05  Ian Lance Taylor  <iant@google.com>
6070         * c-common.c (decl_with_nonnull_addr_p): New function.
6071         (c_common_truthvalue_conversion): Call it.
6072         * c-typeck.c (build_binary_op): Likewise.
6073         * c-common.h (decl_with_nonnull_addr_p): Declare.
6075 2007-01-05  Jakub Jelinek  <jakub@redhat.com>
6077         PR c/30360
6078         * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
6079         denom against 0.0.
6081 2007-01-05  Joel Brobecker  <brobecker@adacore.com>
6083         * doc/install.texi (Final install): Document the fact that
6084         the GNAT runtime should not be stripped.
6086 2007-01-04  Jan Hubicka  <jh@suse.cz>
6088         * tree-inline.c (fold_marked_statements): Update operand caches
6089         and EH after folding
6091 2007-01-04  Ian Lance Taylor  <iant@google.com>
6093         * c-common.c (check_function_nonnull): Whitespace fix.
6095 2007-01-04  Jan Hubicka  <jh@suse.cz>
6097         * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
6098         comitted older version of patch.
6099         (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
6100         function, celanup cfg and collect garbage.
6102 2007-01-04  Mike Stump  <mrs@apple.com>
6104         * Makefile.in (mostlyclean): Don't remove libgcc anymore.
6105         (clean): Likewise.
6107 2007-01-04  Eric Christopher  <echristo@apple.com>
6109         * libgcc2.c (__bswapsi2): Use SItype.
6110         (__bswapdi2): Use DItype.
6111         * libgcc2.h: Update for above.
6113 2007-01-04  Paul Brook  <paul@codesourcery.com>
6115         * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
6116         mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
6117         mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
6118         umulsidi3, umulsidi3adddi, smulsi3_highpart,
6119         umulsi3_highpart): Make conditional on !arm_arch6.
6120         (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
6121         mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
6122         mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
6123         umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
6124         umulsi3_highpart_v6): New insns.
6126 2007-01-04  Roger Sayle  <roger@eyesopen.com>
6128         * fold-const.c (fold_convert): When casting an expression to void,
6129         fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
6130         have a type.  Instead of attempting to build a NOP_EXPR, return
6131         these "special" trees directly.
6133 2007-01-04  Joseph Myers  <joseph@codesourcery.com>
6135         * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
6136         MULT inside MINUS as either argument.  Use rs6000_cost->dmul -
6137         rs6000_cost->fp not 0 as adjustment for outer NEG.
6139 2007-01-04  Jan Hubicka  <jh@suse.cz>
6141         * cgraph.c (cgraph_release_function_body): New function.
6142         (cgraph_remove_node): Use it.
6143         * cgraph.h (cgraph_release_function_body): Declare.
6144         * cgraphunit.c (cgraph_expand_function): Use it.
6145         * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
6146         * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
6147         is initialized and while compilation of other function is running.
6148         * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
6149         statement CFG annotations from here to ...
6150         * tree-cfg.c (delete_tree_cfg_annotations): ... here.
6152 2007-01-04  Zdenek Dvorak <dvorakz@suse.cz>
6154         * cfgloop.h (enum li_flags): Make the constants powers of two.
6156 2007-01-04  Jan Hubicka  <jh@suse.cz>
6158         * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
6159         set.
6160         (fold_marked_statements): New function.
6161         (optimize_inline_calls, tree_function_versioning): Fold new statements.
6162         * tree-inline.h (copy_body_data): Add statements_to_fold.
6164 2007-01-03  Daniel Jacobowitz  <dan@codesourcery.com>
6166         * config.gcc: Mention libgcc/config.host.
6167         * Makefile.in: Update comments mentioning libgcc.
6168         (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
6169         (all.cross, start.encap, rest.encap, rest.cross): Update
6170         dependencies for libgcc move.
6171         (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
6172         (clean-target, clean-target-libgcc): Delete.
6173         (srcdirify, GCC_EXTRA_PARTS): New macros.
6174         (libgcc-support, libgcc.mvars): New rules.
6175         (distclean): Remove mention of mklibgcc.
6176         (install): Don't reference INSTALL_LIBGCC.
6177         (install-common): Don't reference EXTRA_PARTS.
6178         (install-libgcc, install-multilib): Delete rules.
6179         * mklibgcc.in: Delete file.
6180         * doc/configfiles.texi: Don't mention mklibgcc.
6182         * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
6183         * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
6184         * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
6185         * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
6186         (mklibgcc, ldblspecs): Likewise.
6188         * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
6189         (posixpre.def): Use $(T).
6190         (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
6191         (SHLIB_SRC, SHLIB_INSTALL): Delete.
6192         (SHLIB_LINK): Make dummy.
6193         * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
6195         * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
6197         * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
6198         * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
6199         config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
6200         config/rs6000/t-newas, config/sparc/t-elf: Likewise.
6202         * configure.ac (all_outputs): Remove mklibgcc.
6203         * configure: Regenerated.
6205 2007-01-03  Josh Conner  <jconner@apple.com>
6207         PR middle-end/29683
6208         * calls.c (compute_argument_addresses): Set stack and stack_slot
6209         for partial args, too.
6210         (store_one_arg): Use locate.size.constant for the size when
6211         generating a save_area.
6213 2007-01-03  Robert Kennedy <jimbob@google.com>
6215         * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
6216         whose definitions are deleted due to basic block merging.
6218 2007-01-03  Paul Brook  <paul@codesourcery.com>
6220         PR target/16634
6221         * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
6222         functions.
6223         (use_return_insn): Return 0 for Thumb interrupt functions.
6224         (print_multi_reg): Add rfe argument for IRQ returns.
6225         (arm_output_epilogue): Pop interrupt return address directly into PC.
6226         (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
6228 2007-01-03  Paul Brook  <paul@codesourcery.com>
6230         Merge from sourcerygxx-4_1.
6231         * config/arm/thumb2.md: New file.
6232         * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
6233         Thumb-2.
6234         * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
6235         * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
6236         (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
6237         * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
6238         tables.
6239         (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
6240         * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
6241         comptibility.
6242         * config/arm/ieee754-sf.S: Ditto.
6243         * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
6244         (thumb1_base_register_rtx_p): ... to this.
6245         (thumb_index_register_rtx_p): Rename...
6246         (thumb1_index_register_rtx_p): ... to this.
6247         (thumb_output_function_prologue): Rename...
6248         (thumb1_output_function_prologue): ... to this.
6249         (thumb_legitimate_address_p): Rename...
6250         (thumb1_legitimate_address_p): ... to this.
6251         (thumb_rtx_costs): Rename...
6252         (thumb1_rtx_costs): ... to this.
6253         (thumb_compute_save_reg_mask): Rename...
6254         (thumb1_compute_save_reg_mask): ... to this.
6255         (thumb_final_prescan_insn): Rename...
6256         (thumb1_final_prescan_insn): ... to this.
6257         (thumb_expand_epilogue): Rename...
6258         (thumb1_expand_epilogue): ... to this.
6259         (arm_unwind_emit_stm): Rename...
6260         (arm_unwind_emit_sequence): ... to this.
6261         (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
6262         thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
6263         thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
6264         arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
6265         thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
6266         thumb2_output_casesi): New functions.
6267         (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
6268         (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
6269         FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
6270         THUMB2_WORK_REGS): Define.
6271         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
6272         arm_condexec_mask, arm_condexec_masklen)): New variables.
6273         (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
6274         (arm_override_options): Check new CPU capabilities.
6275         Set new architecture flag variables.
6276         (arm_isr_value): Handle v7m interrupt functions.
6277         (user_return_insn): Return 0 for v7m interrupt functions.  Handle
6278         Thumb-2.
6279         (const_ok_for_arm): Handle Thumb-2 constants.
6280         (arm_gen_constant): Ditto.  Use movw when available.
6281         (arm_function_ok_for_sibcall): Return false for v7m interrupt
6282         functions.
6283         (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
6284         (thumb_find_work_register, arm_load_pic_register,
6285         legitimize_tls_address, arm_address_cost, load_multiple_sequence,
6286         emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
6287         print_multi_reg, output_mov_long_double_fpa_from_arm,
6288         output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
6289         output_mov_double_fpa_from_arm, output_move_double,
6290         arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
6291         output_return_instruction, arm_output_function_prologue,
6292         arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
6293         arm_output_mi_thunk, thumb_set_return_address): Ditto.
6294         (arm_expand_prologue): Handle Thumb-2.  Use arm_save_coproc_regs.
6295         (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
6296         (arithmetic_instr, shift_op): Use arm_shift_nmem.
6297         (arm_print_operand): Use arm_print_condition.  Handle '(', ')', '.',
6298         '!' and 'L'.
6299         (arm_final_prescan_insn): Use extract_constrain_insn_cached.
6300         (thumb_expand_prologue): Use thumb_set_frame_pointer.
6301         (arm_file_start): Output directive for unified syntax.
6302         (arm_unwind_emit_set): Handle stack alignment instruction.
6303         * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
6304         Add v6t2, v7, v7a, v7r and v7m.
6305         (RETLDM): Add Thumb-2 code.
6306         (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
6307         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
6308         (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
6309         TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
6310         THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
6311         ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
6312         THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
6313         CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
6314         ADJUST_INSN_LENGTH): Define.
6315         (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
6316         STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
6317         BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
6318         PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
6319         SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
6320         TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
6321         HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
6322         HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
6323         REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
6324         REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
6325         LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
6326         GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
6327         ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
6328         FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
6329         PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
6330         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
6331         * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
6332         cortex-m3.
6333         * config/arm/arm-tune.md: Regenerate.
6334         * config/arm/arm-protos.h: Update prototypes.
6335         * config/arm/vfp.md: Enable patterns for Thumb-2.
6336         (arm_movsi_vfp): Add movw alternative.  Use output_move_vfp.
6337         (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
6338         (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
6339         thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
6340         * config/arm/libunwind.S: Add Thumb-2 code.
6341         * config/arm/constraints.md: Update include Thumb-2.
6342         * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
6343         * config/arm/ieee754-df.S: Ditto.
6344         * config/arm/bpabi.S: Ditto.
6345         * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
6346         * config/arm/predicates.md (low_register_operand,
6347         low_reg_or_int_operand, thumb_16bit_operator): New.
6348         (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
6349         (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
6350         * config/arm/t-arm-elf: Add armv7 multilib.
6351         * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
6352         Include thumb2.md.
6353         (UNSPEC_STACK_ALIGN, ce_count): New.
6354         (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
6355         arm_zero_extendsidi2, arm_zero_extendqidi2): New
6356         insns/expanders.
6357         * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
6358         (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
6359         thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
6360         * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
6361         (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
6362         thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
6363         insns.
6364         * doc/extend.texi: Document ARMv7-M interrupt functions.
6365         * doc/invoke.texi: Document Thumb-2 new cores+architectures.
6367 2007-01-03  Jakub Jelinek  <jakub@redhat.com>
6369         * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
6370         (struct _Unwind_Context): Rename args_size to flags, remove
6371         signal_frame field, add a new args_size field and version field.
6372         (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
6373         _Unwind_IsExtendedContext): New inline functions.
6374         (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
6375         Assume by_value array is only present if _Unwind_IsExtendedContext.
6376         (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
6377         _Unwind_IsSignalFrame.
6378         (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
6379         (uw_update_context_1): Use _Unwind_SetSignalFrame.
6380         (uw_init_context_1): Initialize context->flags to
6381         EXTENDED_CONTEXT_BIT.
6382         * config/rs6000/linux-unwind.h (frob_update_context): Use
6383         _Unwind_SetSignalFrame.
6385 2007-01-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6387         PR middle-end/30353
6388         * gimplify.c (gimplify_modify_expr_complex_part): Move below
6389         tree_to_gimple_tuple.  Call tree_to_gimple_tuple when we need
6390         the value.
6392 2007-01-03  Kazu Hirata  <kazu@codesourcery.com>
6394         * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
6395         REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
6396         RET, AT_SP): Remove.
6397         * config/i386/i386.md (*sse_prologue_save_insn): Use return
6398         instead of RET.
6400         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
6401         * cfgbuild.c (find_basic_blocks): Likewise.
6402         * cfgrtl.c (rtl_create_basic_block): Likewise.
6403         * function.c (temp_slots_at_level): Likewise.
6404         * reg-stack.c (stack_regs_mentioned): Likewise.
6405         * regclass.c (allocate_reg_info): Likewise.
6406         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
6407         set_bb_for_stmt, move_block_to_fn): Likewise.
6408         * tree-complex.c (tree_lower_complex): Likewise.
6409         * vec.h (VEC_safe_grow_cleared): New.
6411         * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
6413 2007-01-03  Zdenek Dvorak <dvorakz@suse.cz>
6415         * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
6416         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
6417         to loop_version.
6418         * cfgloopmanip.c (scale_loop_frequencies): Export.
6419         (loopify): Scale the frequencies by prescribed coefficients.
6420         (set_zero_probability): New function.
6421         (duplicate_loop_to_header_edge): Improve updating of frequencies.
6422         (lv_adjust_loop_entry_edge, loop_version): Set probabilities
6423         and frequencies according to arguments.
6424         * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
6425         correctly.
6426         * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
6427         * modulo-sched.c (sms_schedule): Set probabilities for entering
6428         versioned loop correctly.
6429         * tree-vect-transform.c (vect_transform_loop): Ditto.
6430         * cfgloop.h (loopify, loop_version): Declaration changed.
6431         (scale_loop_frequencies): Declared.
6433 2007-01-02  Jan Hubicka  <jh@suse.cz>
6435         * cgraph.c: Include tree-flow.h
6436         (cgraph_add_new-function): Handle IPA_SSA mode; execute
6437         early_local_passes.
6438         * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
6439         * tree-pass.h (pass_all_early_optimizations): Declare.
6440         * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
6441         early_local_passes.
6442         (cgraph_analyze_function): Do early_local_passes.
6443         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
6444         Do not add referenced vars.
6445         * tree-optimize.c (gate_all_optimizations): Do not execute when not in
6446         SSA form.
6447         (gate_all_early_local_passes): New gate.
6448         (pass_early_local_passes): Use new gate.
6449         (execute_early_local_optimizations): New functions.
6450         (gate_all_early_optimizations): New gate.
6451         (pass_all_early_optimizations): New pass.
6452         (execute_free_datastructures): Free SSA only when initialized.
6453         (gate_init_datastructures): Init only when optimizing.
6454         (tree_lowering_passes): Do early local passes when called late.
6455         * tree-profile.c (do_tree_profiling): Don't profile functions added
6456         late.
6457         (do_early_tree_profiling, pass_early_tree_profile): Kill.
6458         * tree-cfg.c (update_modified_stmts): Do not update when operands are
6459         not active.
6460         * passes.c (init_optimizations_passes): Reorder so we go into SSA
6461         during early_local_passes.
6462         * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
6465 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
6467         * Makefile.in: Update copyright year.
6469 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
6471         * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
6472         in $(lang_checks) and check-consistency targets.
6474 2007-01-02  Jan Hubicka  <jh@suse.cz>
6476         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
6477         Do not add referenced vars.
6478         * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
6479         are not active.
6480         * passes.c (init_optimization_passes): Put mudflap_2 after
6481         free_datastructures.
6483 2007-01-02  Jan Hubicka  <jh@suse.cz>
6485         * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
6486         Set NOTHROW flag on call statements proved to be nothrow.
6487         Update statement of local calls so new pure/const functions are
6488         updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
6489         goto receivers.
6490         (tree_rest_of_compilation): Register hooks and initialize bitmap
6491         early. Do not set after_inlining flag.
6493 2007-01-02  Steve Ellcey  <sje@cup.hp.com>
6495         * sbitmap.c (HOST_BITS_PER_LONG_LONG):  Change to
6496         HOST_BITS_PER_LONGLONG
6498 2007-01-02  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
6500         PR c/19977
6501         * c-typeck.c (store_init_value): Don't emit pedantic overflow
6502         warning for non-static initializers.
6504 2007-01-02  Steven Bosscher  <steven@gcc.gnu.org>
6506         * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
6507         m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
6508         rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
6509         Always use set_unique_reg_note to add REG_EQUAL notes.
6511 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
6513         Revert:
6514         2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
6516         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
6517         * cfgbuild.c (find_basic_blocks): Likewise.
6518         * cfgrtl.c (rtl_create_basic_block): Likewise.
6519         * function.c (temp_slots_at_level): Likewise.
6520         * reg-stack.c (stack_regs_mentioned): Likewise.
6521         * regclass.c (allocate_reg_info): Likewise.
6522         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
6523         set_bb_for_stmt, move_block_to_fn): Likewise.
6524         * tree-complex.c (tree_lower_complex): Likewise.
6525         * vec.h (VEC_safe_grow_cleared): New.
6527 2007-01-02  Ian Lance Taylor  <iant@google.com>
6529         * c-common.c (c_common_truthvalue_conversion): When warning about
6530         using an assignment as a truth value, set TREE_NO_WARNING.
6532 2007-01-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6534         PR middle-end/7651
6535         * c.opt (Wold-style-declaration): New.
6536         * doc/invoke.texi (C-only Warning Options): New.
6537         (Wold-style-declaration): Document it.
6538         (Wextra): Enabled by -Wextra.
6539         * c-opts.c (c_common_post_options): Enabled by -Wextra.
6540         * c-decl.c (declspecs_add_scspec): Replace -Wextra with
6541         -Wold-style-declaration.
6543 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
6545         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
6546         * cfgbuild.c (find_basic_blocks): Likewise.
6547         * cfgrtl.c (rtl_create_basic_block): Likewise.
6548         * function.c (temp_slots_at_level): Likewise.
6549         * reg-stack.c (stack_regs_mentioned): Likewise.
6550         * regclass.c (allocate_reg_info): Likewise.
6551         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
6552         set_bb_for_stmt, move_block_to_fn): Likewise.
6553         * tree-complex.c (tree_lower_complex): Likewise.
6554         * vec.h (VEC_safe_grow_cleared): New.
6556 2007-01-02  Douglas Gregor  <doug.gregor@gmail.com>
6558         * c-common.c (c_common_nodes_and_builtins): Since variants of
6559         void_type_node get built before it is given a name, we need to
6560         give those variants the name, too.
6561         (complete_array_type): We need to work with the canonical main
6562         type of the array, from which we will build the qualified version.
6563         * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
6564         * print-tree.c (print_node): Display canonical type information
6565         for each type.
6566         * stor-layout.c (layout_type): When we don't know the
6567         alignment of a type for which we're building an array, we end up
6568         guessing wrong, so make the type require structural equality.
6569         * tree.c (make_node_stat): When we build a new type, it is its
6570         own canonical type.
6571         (build_type_attribute_qual_variant): When building an attribute
6572         variant, its canonical type is the non-attribute variant. However,
6573         if the attributes are target-dependent and they differ, we need to
6574         use structural equality checks for this type.
6575         (build_qualified_type): A qualified type is not equivalent to its
6576         unqualified variant; set the canonical type appropriately.
6577         (build_distinct_type_copy): When building a distinct type from
6578         another type, the new type is its own canonical type.
6579         (build_variant_type_copy): When building a new type variant, we
6580         assume that it is equivalent to the original type.
6581         (build_pointer_type_for_mode): When building a pointer type, also
6582         build a canonical type pointer.
6583         (build_reference_type_for_mode): When building a reference type,
6584         also build a canonical type reference.
6585         (build_index_type): When we can't hash an index type (e.g.,
6586         because its maximum value is negative), the index type requires
6587         structural equality tests.
6588         (build_array_type): Build the canonical form of an array type.
6589         (build_function_type): Function types require structural equality,
6590         because they contain default arguments, attributes, etc.
6591         (build_method_type_directly): Ditto for method types.
6592         (build_offset_type): Build the canonical offset type.
6593         (build_complex_type): Build the canonical vector type.
6594         (make_vector_type): Build the canonical vector type.
6595         * tree.h (TYPE_CANONICAL): New.
6596         (TYPE_STRUCTURAL_EQUALITY_P): New.
6597         (SET_TYPE_STRUCTURAL_EQUALITY): New.
6598         (struct tree_type): Added "canonical" field.
6599         * params.h (VERIFY_CANONICAL_TYPES): New.
6600         * doc/c-tree.texi (TYPE_CANONICAL): Document.
6601         (TYPE_STRUCTURAL_EQUALITY_P): Document.
6602         (SET_TYPE_STRUCTURAL_EQUALITY): Document.
6603         * doc/invoke.texi (verify-canonical-types): Document --param
6604         parameter for verifying canonical types.
6606 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
6608         * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
6609         powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
6610         powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
6611         powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
6612         tm_file.
6613         * config/rs6000/e500.h: New.
6614         * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
6615         TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
6616         Remove.
6617         * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
6618         TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
6619         TARGET_E500_DOUBLE): Remove.
6620         * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
6621         TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
6622         * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
6623         * config/rs6000/rs6000.c (rs6000_override_options): Use
6624         CHECK_E500_OPTIONS.
6626 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
6628         * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
6629         TARGET_E500_DOUBLE), not TARGET_E500, for %y.
6630         (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
6631         rs6000_emit_cmove): Don't check TARGET_E500.
6632         * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
6633         sordered): Don't check TARGET_E500.
6635 2007-01-01  Eric Christopher  <echristo@apple.com>
6637         * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
6638         HARD_REGISTER_NUM_P.
6640 2007-01-01  Roger Sayle  <roger@eyesopen.com>
6642         * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
6643         "X eq/ne (C1^C2)".  Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
6644         has no side-effects.  Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
6645         eq/ne Y".
6647 2007-01-01  Mike Stump  <mrs@apple.com>
6649         * configure.ac: Remove support for building with Apple's gcc-3.1.
6651 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
6653         PR middle-end/30311
6654         * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
6655         REG is a hard register.  Do not modify REG before calling
6656         subreg_nregs.
6657         * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
6658         multiple of the size of YMODE for certain lowpart cases.
6660 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
6662         PR middle-end/30253
6663         * gimplify (voidify_wrapper_expr): Update for
6664         GIMPLE_MODIFY_STMT.
6666 2007-01-01  Andreas Schwab  <schwab@suse.de>
6668         PR target/29166
6669         * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
6670         save of BR0 in extra_spill_size instead of spill_size.
6671         (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
6672         area.
6673         (ia64_expand_epilogue): Restore BR0 from its new location.
6675 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
6677         * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
6678         Use a temporary variable if the left hand side is not a gimple
6679         register.
6681 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
6683         * gimplify.c (gimplify_return_expr): Make the temporary variable
6684         for the return expression, a gimple register variable.
6686 2007-01-01  Jan Hubicka  <jh@suse.cz>
6688         * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
6689         INSN_LIST.
6691 2007-01-01  Mike Stump  <mrs@apple.com>
6693         * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
6694         .literal16.
6695         * config/darwin.c (machopic_select_rtx_section): Use
6696         HAVE_GAS_LITERAL16.
6697         (darwin_mergeable_constant_section): Likewise.
6698         * configure: Regenerate.
6699         * config.in: Regenerate.
6701 2007-01-01  Jan Hubicka  <jh@suse.cz>
6702             Andrew Pinski  <pinskia@gmail.com>
6704         * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
6705         before starting IPA passes.