2007-02-28 Eric Christopher <echristo@apple.com>
[official-gcc.git] / gcc / ChangeLog
blob61ffafb663cf626d4f112606d95a338ee0ccbe3f
1 2007-02-28  Eric Christopher  <echristo@apple.com>
3         * Makefile.in (install-include-dir): Don't rm -rf include.
5 2007-02-28  Richard Guenther  <rguenther@suse.de>
7         PR middle-end/30364
8         * fold-const.c (fold_binary): Do not associate expressions
9         with more than one variable for integer types that do not wrap.
11 2007-02-28  Sandra Loosemore  <sandra@codesourcery.com>
13         * builtins.c (fold_builtin_call_list, fold_builtin_call_valist):
14         Delete, and replace with...
15         (fold_builtin_call_array): This.  Update callers to use it.
16         * fold-const.c (fold_build_call_list): Delete, and replace with...
17         (fold_build_call_array): This.
18         (fold_build_call_list_initializer): Delete, and replace with...
19         (fold_build_call_array_initializer): This.
20         * tree.h: Update declarations to reflect above changes.
22         * c-typeck.c (build_function_call): Store converted arguments
23         in a stack-allocated array instead of building a list.
24         (convert_arguments): Store arguments in the array passed in as an
25         argument, and return the actual number of arguments.
26         * c-format.c: (check_function_format): Pass arguments in an
27         array instead of a list.
28         * c-common.c (check_function_nonnull): Likewise.
29         (check_function_sentinel): Likewise.
30         (check_function_arguments): Likewise.
31         * c-common.h: Update declarations to reflect above changes.
33 2007-02-28  Jan Hubicka  <jh@suse.cz>
35         * predict.def (PRED_TREE_EARLY_RETURN, PRED_CONST_RETURN,
36         PRED_NEGATIVE_RETURN): Update outcomes.
38 2007-02-28  Bernd Schmidt  <bernd.schmidt@analog.com>
40         * calls.c (emit_library_call_value_1): Handle partial registers
41         correctly when building up CALL_INSN_FUNCTION_USAGE.
43 2007-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
45         * pa/predicates.md (move_src_operand): Allow zero for mode.
46         * pa/pa.md: Fix constraints for zero CONST_DOUBLE in 64-bit DFmode
47         move pattern.
49 2007-02-27  Uros Bizjak  <ubizjak@gmail.com>
51         PR target/30970
52         * config/i386/sse.md (*mov<mode>_internal, *movv4sf_internal,
53         *movv2df_internal): Enable pattern only for valid operand
54         combinations.
55         * config/i386/i386.c (ix86_modes_tieable_p): For SSE registers,
56         tie only 128bit modes. For MMX registers, tie only 64bit modes.
58 2007-02-27  Mike Stump  <mrs@apple.com>
60         * config/darwin-crt3.c: Avoid compilation when compiling for a
61         kext multilib.
63 2007-02-27  Joseph Myers  <joseph@codesourcery.com>
65         * Makefile.in (PREPROCESSOR_DEFINES, test-protoize-simple): Define
66         FIXED_INCLUDE_DIR.
67         (stmp-int-hdrs, stmp-fixinc, install-headers): Use include-fixed
68         for fixed headers and limits.h.
69         (install-include-dir, install-headers-tar, install-headers-cpio,
70         install-headers-cp, real-install-headers-tar,
71         real-install-headers-cpio, real-install-headers-cp): Handle
72         include-fixed as well as include.
73         (install-mkheaders): Don't install files that go only in include
74         not include-fixed.
75         * cppdefault.c (cpp_include_defaults): Separate FIXED_INCLUDE_DIR
76         from GCC_INCLUDE_DIR.
77         * gcc.c (process_command): Remove special -BstageN/ handling.
78         (do_spec_1): Add include-fixed directories.
80 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
82         * config/bfin/t-bfin-elf (LIB1ASMFUNCS): Add _umulsi3_highpart and
83         _smulsi3_highpart.
84         * config/bfin/lib1funcs.asm (___umulsi3_highpart, ___smulsi3_highpart):
85         New functions.
86         * config/bfin/bfin.md (smulsi3_highpart, umulsi3_highpart): New
87         patterns.
89 2007-02-27  Mark Mitchell  <mark@codesourcery.com>
91         * c-common.c (get_priority): Add check for
92         SUPPORTS_INIT_PRIORITY.
94 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
96         * config/bfin/bfin.md (doloop_end): FAIL if counter reg isn't SImode.
98         * config/bfin/bfin.c: Include "cfglayout.h".
99         (MAX_LSETUP_DISTANCE): New macro.
100         (struct loop_info): New members incoming, incoming_src and
101         incoming_dest.  Delete member predecessor.
102         (length_for_loop): New function.
103         (bfin_optimize_loop): Handle more different loop structures.
104         (bfin_discover_loop): Rework detection of predecessor blocks by
105         examining incoming edges.
106         (bfin_discover_loops, bfin_free_loops): New functions, broken out of
107         bfin_reorg_loops.
108         (bfin_reorder_loops): New function.
109         (bfin_reorg_loops): Use these three new functions.
111         * config/bfin/bfin.h (enum reg_class, REG_CLASS_NAMES,
112         REG_CLASS_CONTENTS): Add D0REGS through D7REGS.
113         (CONSTRAINT_LEN): Add entry for 'q'.
114         (REG_CLASS_FROM_CONSTRAINT): Renamed from REG_CLASS_FROM_LETTER.
115         Add 'q' constraints.
116         (REGNO_REG_CLASS): For R0 through R7, return corresponding regclass.
117         (CLASS_LIKELY_SPILLED_P): True for R0, R1 and R2.
119         * config/bfin/bfin.md (add_with_carry): New pattern.
120         (s_or_u, su_optab, su_modifier): New code macros/attrs.
121         (<su_optab>hisi_ll, <su_optab>hisi_lh, <su_optab>hisi_hl,
122         <su_optab>hisi_hh): Renamed from mulhisi_xx patterns; macroized to
123         support unsigned multiplies too.  Removed incorrect commutativity from
124         operand 1 constraint where appropriate.
125         (usmulhisi_ull, usmulhisi_ulh, usmulhisi_uhl, usmulhisi_uhh): New
126         patterns.
127         (<su_optab>hisi_ll_lh, <su_optab>hisi_ll_hl, <su_optab>hisi_ll_hh,
128         <su_optab>hisi_lh_hl, <su_optab>hisi_lh_hh, <su_optab>hisi_hl_hh):
129         New patterns.
130         (usmulhisi_ll_lul, usmulhisi_ll_luh, usmulhisi_ll_hul,
131         usmulhisi_ll_huh, usmulhisi_lh_lul, usmulhisi_lh_luh, usmulhisi_lh_hul,
132         usmulhisi_lh_huh, usmulhisi_hl_lul, usmulhisi_hl_luh, usmulhisi_hl_hul,
133         usmulhisi_hl_huh, usmulhisi_hh_lul, usmulhisi_hh_luh, usmulhisi_hh_hul,
134         usmulhisi_hh_huh): New patterns.
136         * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
137         lshifthi3): Fix output template to use half reg for operand 2.
139         * config/bfin/bfin.c (bfin_output_mi_thunk): Use R3 as scratch reg
140         instead of R2.
142         * config/bfin/bfin.md (rotl16, rotlsi3, rotrsi3): New patterns.
144 2007-02-27  Andreas Schwab  <schwab@suse.de>
146         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-common.texi.
148 2007-02-27  Jan Hubicka  <jh@suse.cz>
150         * predict.c (last_basic_block_p): Remove.
151         (tree_estimate_probability): Update return heuristic for commonized
152         return blocks.
154 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
156         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-vers.texi dependency.
158 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
160         * doc/include/gcc-common.texi (versionsubtitle): New macro.
161         * doc/cpp.texi: Standardize title page.
162         * doc/cppinternals.texi: Likewise.
163         * doc/gcc.texi: Standardize title page, remove version number
164         from copyright page.
165         * doc/gccint.texi: Likewise.
166         * doc/install.texi: Standardize title page, add table of
167         contents.
169 2007-02-26  Jan Hubicka  <jh@suse.cz>
171         * predict.def: Set outcomes according to more recent results.
172         (PRED_LOOP_CONDITION, PRED_LOOP_PRECONDITIONING, PRED_LOOP_HEADER):
173         Remove dead predictors.
174         * predict.c (return_prediction): Fix pasto.
176 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
178         * loop-iv.c (simplify_using_initial_values): Fix oversight in previous
179         change; avoid a memory leak when returning early.
181 2007-02-26  Mark Mitchell  <mark@codesourcery.com>
183         * c-decl.c (static_ctors): Move to c-common.c.
184         (static_dtors): Likewise.
185         (finish_function): Use c_record_cdtor_fn.
186         (build_cdtor): Move to c-common.c.
187         (c_write_global_declarations): Use c_build_cdtor_fns.
188         * c-common.h (static_ctors): Declare.
189         (static_dtors): Likewise.
190         (c_record_cdtor_fn): Likewise.
191         (c_build_cdtor_fns): Likewise.
192         * c-common.c (static_ctors): New variable.
193         (static_dtors): Likewise.
194         (c_record_cdtor_fn): New function.
195         (build_cdtor): Move from c-decl.c
196         (c_build_cdtor_fns): New function.
198         * output.h (assemble_addr_to_section): Declare.
199         (get_cdtor_priority_section): Likewise.
200         * varasm.c (assemble_addr_to_section): New function.
201         (get_cdtor_priority_section): Likewise.
202         (default_named_section_asm_out_destructor): Use them.
203         (destor_dtor_section_asm_out_destructor): Likewise.
204         (default_named_section_asm_out_constructor): Likewise.
205         (default_ctor_section_asm_out_constructor): Likewise.
206         * config.gcc (*-*-vxworks*): Include vxworks.o.
207         * config/t-vxworks (vxworks.o): New target.
208         * config/vxworks.h (ALWAYS_NUMBER_CTORS_SECTIONS): Remove.
209         (TARGET_ASM_CONSTRUCTOR): Define.
210         (TARGET_ASM_DESTRUCTOR): Likewise.
211         (vxworks_asm_out_constructor): Declare.
212         (vxworks_asm_out_destructor): Likewise.
214         * c-common.c (get_priority): Check that we have not just an
215         INTEGER_CST, but an integer constant with integeral type.
217 2007-02-25  Uros Bizjak  <ubizjak@gmail.com>
219         PR tree-optimization/30938
220         * tree-vect-transform.c (vectorizable_call): Fix off-by-one error:
221         use &dt[nargs-1] instead of &dt[nargs] in the call to
222         vect_is_simple_use().
224 2007-02-25  Ulrich Weigand  <uweigand@de.ibm.com>
226         * reload.c (find_reloads_address_1): Handle PLUS expressions resulting
227         from register elimination as PRE_MODIFY / POST_MODIFY increments.
228         Do not attempt to handle MEM inside auto-inc expressions.
229         * reload1.c (eliminate_regs_1): Do not attempt to handle elimination
230         of a register modified by an auto-inc expression.  However, do handle
231         elimination of a register used as PRE_MODIFY / POST_MODIFY increment.
232         (elimination_effects): Prohibit elimination of a register modified
233         by an auto-inc expression.  Disable register elimination rules whose
234         target register is modified by an auto-inc expression with variable
235         increment.
237 2007-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
239         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): Fix
240         off-by-one error.
241         (array_at_struct_end_p): New function.
242         (idx_infer_loop_bounds): Use it.
243         (estimate_numbers_of_iterations_loop): Export.
244         * predict.c (predict_loops): Use estimated_loop_iterations_int.
245         Do not use PRED_LOOP_EXIT on exits predicted by # of iterations.
246         (tree_estimate_probability): Call record_loop_exits.
247         * tree-data-ref.c (get_number_of_iters_for_loop): Replaced by ...
248         (estimated_loop_iterations, estimated_loop_iterations_int,
249         estimated_loop_iterations_tree): New functions.
250         (analyze_siv_subscript_cst_affine,
251         compute_overlap_steps_for_affine_1_2,
252         analyze_subscript_affine_affine): Use estimated_loop_iterations_int.
253         (analyze_miv_subscript): Use estimated_loop_iterations_tree.
254         * predict.def (PRED_LOOP_ITERATIONS): Update comment.
255         (PRED_LOOP_ITERATIONS_GUESSED): New.
256         * cfgloop.c (record_loop_exits): Do nothing if there are no loops.
257         * cfgloop.h (estimate_numbers_of_iterations_loop,
258         estimated_loop_iterations_int): Declare.
260 2007-02-25  Mark Mitchell  <mark@codesourcery.com>
262         * doc/extend.texi: Document optional priority argument to
263         constructors and destructors.
264         * tree.c (init_priority_for_decl): Adjust GTY markers.
265         (init_ttree): Use priority-info hash functions for
266         init_priority_for_decl.
267         (tree_map_eq): Rename to ...
268         (tree_map_base_eq): ... this.
269         (tree_map_marked_p): Rename to ...
270         (tree_map_base_marked_p): ... this.
271         (tree_map_base_hash): New function.
272         (decl_init_priority_lookup): Rework.
273         (decl_fini_priority_lookup): New function.
274         (decl_priority_info): New function.
275         (decl_init_priority_insert): Use it.
276         (decl_fini_priority_insert): Likewise.
277         (decl_restrict_base_lookup): Adjust for refactoring of tree_map
278         hierarchy.
279         (decl_restrict_base_insert): Likewise.
280         (decl_debug_expr_insert): Likewise.
281         (decl_value_expr_lookup): Likewise.
282         (decl_value_expr_insert): Likewise.
283         * tree.h (priority_type): New type.
284         (decl_init_priority_lookup): Use priority_type.
285         (decl_fini_priority_lookup): New function.
286         (decl_init_priority_insert): Use priority_type.
287         (decl_fini_priority_insert): New function.
288         (DECL_HAS_INIT_PRIORITY): Tweak comments.
289         (DECL_INIT_PRIORITY): Likewise.
290         (SET_DECL_INIT_PRIORITY): Add comment.
291         (DECL_FINI_PRIORITY): New macro.
292         (SET_DECL_FINI_PRIORITY): Likewise.
293         (DEFAULT_INIT_PRIORITY): Document.
294         (MAX_INIT_PRIORITY): Likewise.
295         (MAX_RESERVED_INIT_PRIORITY): Likewise.
296         (tree_map_base): New type.
297         (tree_map_base_eq): New function.
298         (tree_map_base_hash): Likewise.
299         (tree_map_base_marked_p): Likewise.
300         (tree_map): Inherit from tree_map_base.
301         (tree_map_eq): Make it a macro.
302         (tree_map_marked_p): Likewise.
303         (tree_int_map): Inherit from tree_map_base.
304         (tree_int_map_eq): Make it a macro.
305         (tree_int_map_hash): Likewise.
306         (tree_int_map_marked_p): Likewise.
307         (tree_priority_map): New type.
308         (tree_priority_map_eq): New macro.
309         (tree_priority_map_hash): Likewise.
310         (tree_priority_map_marked_p): Likewise.
311         * varasm.c (emults_decl): Adjust for refactoring of tree_map
312         hierarchy.
313         (emutls_common_1): Likewise.
314         * lambda-code.c (replace_uses_equiv_to_x_with_y): Likewise.
315         * tree-ssa-structalias.c (heapvar_lookup): Adjust for refactoring
316         of tree_map hierarchy.
317         * tree-cfg.c (move_stmt_r): Likewise.
318         (new_label_mapper): Likewise.
319         * c-tree.h (c_expand_body): Move to ...
320         * c-common.h (c_expand_body): ... here.
321         * c-decl.c (c_expand_body): Move to ...
322         * c-common.c (c_expand_body): ... here.
323         (c_common_attribute_table): Allow 1 argument for the constructor
324         and destructor attributes.
325         (get_priority): New function.
326         (handle_constructor_attribute): Set DECL_INIT_PRIORITY.
327         (handle_destructor_attribute): Set DECL_FINI_PRIORITY.
329 2007-02-24  Jan Hubicka  <jh@suse.cz>
331         PR middle-end/30509
332         * tree-inline.c (copy_bb): Produce exact copy of EH info when copying for inlining.
334 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
335             Jan Hubicka  <jh@suse.cz>
337         PR target/30778
338         * i386.c (counter_mode): New function.
339         (expand_set_or_movmem_via_loop): Use it.
340         (expand_movmem_epilogue): Likewise; fix pasto.
341         (ix86_expand_movmem): Do emit guard even for constant counts.
342         (ix86_expand_setmem): Likewise.
344 2007-02-25  Nick Clifton  <nickc@redhat.com>
346         * config/frv/frv.h (ASM_OUTPUT_CASE_LABEL): Delete.
347         (JUMP_TABLES_IN_TEXT_SECTION): Define.
349 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
351         PR target/30770
352         * config/i386/i386.md (expand_movmem_epilogue): Fix typo, mask
353         count argument with 0x10, not with 0x16.
354         (expand_setmem_epilogue): Ditto.
356 2007-02-24  Mike Stump  <mrs@apple.com>
358         * config/i386/i386.c (output_pic_addr_const): Stubify optimized
359         symbols.
361 2007-02-24  Richard Guenther  <rguenther@suse.de>
363         PR middle-end/30951
364         * fold-const.c (fold_binary): Fold x +- CST op x for
365         EQ_EXPR and NE_EXPR.
367 2007-02-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
369         * pa.md (muldi3): Force subregs to registers in 64-bit expander.
371 2007-02-24  Jan Hubicka  <jh@suse.cz>
373         * cgraphunit.c (decide_is_function_needed): Honor
374         -fkeep-inline-functions.
376 2007-02-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
378         * builtins.c (fold_builtin_modf): New.
379         (fold_builtin_2): Use it.
381 2007-02-24  Bernd Schmidt  <bernd.schmidt@analog.com>
383         * loop-iv.c (implies_p): Detect additional cases where A implies B.
384         (determine_max_iter): Take additional LOOP arg; all callers changed.
385         Lose broken logic dealing with PLUS.  Try to limit the upper bound by
386         one using simplifications.
387         (simplify_using_initial_values): Return if the expression becomes
388         invalid due to altered regs.
390 2007-02-23  DJ Delorie  <dj@redhat.com>
392         * doc/tm.h (BIGGEST_ALIGNMENT): Clarify the purpose of this macro.
394 2007-02-23  Mike Stump  <mrs@apple.com>
396         * tlink.c (scan_linker_output): Parse linker messages from
397         darwin9's linker better.
399 2007-02-23  Steve Ellcey  <sje@cup.hp.com>
401         PR debug/29614
402         * varpool.c (varpool_assemble_pending_decls):  Set
403         varpool_last_needed_node to null.
405 2007-02-23  DJ Delorie  <dj@redhat.com>
407         * config/i386/i386.c (ix86_data_alignment): Don't specify an
408         alignment bigger than the object file can handle.
410 2007-02-23  Uros Bizjak  <ubizjak@gmail.com>
412         PR target/30825
413         * config/i386/i386.md (*movdi_1_rex64, zero_extendsidi2_32,
414         zero_extendsidi2_rex64): Penalize MMX register<->memory moves.
415         (*movsf_1): Penalize MMX moves.
417 2007-02-23  Bernd Schmidt  <bernd.schmidt@analog.com>
419         * config/bfin/bfin.md (doloop_end): Fail for loops that can iterate
420         2^32-1 or more times unless flag_unsafe_loop_optimizations.
422         * loop-iv.c (determine_max_iter): Moved in front of its sole user.
424 2007-02-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
426         * builtins.c (fold_builtin_logb, fold_builtin_significand): New.
427         (fold_builtin_1): Use them.
428         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
429         BUILT_IN_SIGNIFICAND.
431 2007-02-23  H.J. Lu  <hongjiu.lu@intel.com>
433         * config/i386/i386.c (bdesc_1arg): Initialize
434         IX86_BUILTIN_MOVSHDUP and IX86_BUILTIN_MOVSLDUP with
435         "__builtin_ia32_movshdup" and "__builtin_ia32_movsldup".
436         (ix86_init_mmx_sse_builtins): Remove IX86_BUILTIN_MOVSHDUP
437         and IX86_BUILTIN_MOVSLDUP.
439 2007-02-22  Paolo Bonzini  <bonzini@gnu.org>
441         PR rtl-optimization/30841
442         * fwprop.c (propagate_rtx_1): Accept a VOIDmode replacement address.
444 2007-02-22  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
446         * builtins.c (fold_builtin_frexp): New.
447         (fold_builtin_2): Use it.
449 2007-02-22  Mark Mitchell  <mark@codesourcery.com>
451         * doc/invoke.texi (Spec Files): Document getenv spec function.
453         * gcc.c (getenv_spec_function): New function.
454         (static_spec_functions): Add it.
455         * config/vxworks.h (VXWORKS_TARGET_DIR): Remove.
456         (VXWORKS_ADDITIONAL_CPP_SPEC): Use getenv to find the VxWorks
457         header files.
459 2007-02-22  Michael Matz  <matz@suse.de
461         PR c++/29433
462         * dwarf2out.c (add_AT_string): Call ggc_strdup once per string.
463         (type_tag): Use lang_hooks.dwarf_name instead of DECL_NAME.
465 2007-02-22  Ian Lance Taylor  <iant@google.com>
467         PR debug/30898
468         * dwarf2out.c (concatn_mem_loc_descriptor): New static function.
469         (mem_loc_descriptor): Call it.
471 2007-02-22  Zdenek Dvorak  <dvorakz@suse.cz>
472             Ira Rosen  <irar@il.ibm.com>
474         * tree-data-ref.c (ptr_ptr_may_alias_p): Take alias sets into account.
476 2007-02-22  Ira Rosen  <irar@il.ibm.com>
478         PR tree-optimization/30843
479         * tree-vect-transform.c (vect_transform_loop): Remove strided scalar
480         stores only after all the group is vectorized.
482 2007-02-22  Dorit Nuzman  <dorit@il.ibm.com>
484         PR tree-optimization/30858
485         * tree-vectorizer.c (vect_is_simple_reduction): Check that the stmts
486         in the reduction cycle have a single use in the loop.
487         * tree-vectorizer.h (relevant): Add documentation.
489 2007-02-20  Mike Stump  <mrs@apple.com>
491         * configure.ac (powerpc*-*-darwin*): #include <sys/cdefs.h>.
492         * configure: Regenerate.
494 2007-02-21  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
496         Change the defaults of some parameters and options.
497         * config/spu/spu-protos.h (spu_optimization_options): Declare.
498         * config/spu/spu.c (spu_optimization_options): Add.
499         (spu_override_options): Change params in spu_optimization_options.
500         * config/spu/spu.h (OPTIMIZATION_OPTIONS): Define.
502         Register 127 is only 16 byte aligned when used as a frame pointer.
503         * config/spu/spu-protos.h (spu_init_expanders): Declare.
504         * config/spu/spu.c (spu_expand_prologue): Set REGNO_POINTER_ALIGN for
505         HARD_FRAME_POINTER_REGNUM.
506         (spu_legitimate_address):  Use regno_aligned_for_reload.
507         (regno_aligned_for_load):  HARD_FRAME_POINTER_REGNUM is only 16 byte
508         aligned when frame_pointer_needed is true.
509         (spu_init_expanders): New.  Set alignment of HARD_FRAME_POINTER_REGNUM
510         to 8 bits.
511         * config/spu/spu.h (INIT_EXPANDERS): Define.
513         Make sure shift and rotate instructions have valid immediate operands.
514         * config/spu/predicates.md (spu_shift_operand): Remove.
515         * config/spu/spu.c (print_operand): Add [efghEFGH] modifiers.
516         * config/spu/constraints.md (W, O): Extend range.
517         * config/spu/spu.md (umask, nmask): Define.
518         (ashl<mode>3, ashldi3, ashlti3_imm, shlqbybi_ti, shlqbi_ti, shlqby_ti,
519         lshr<mode>3, rotm_<mode>, lshr<mode>3_imm, rotqmbybi_<mode>,
520         rotqmbi_<mode>, rotqmby_<mode>, ashr<mode>3, rotma_<mode>,
521         rotl<mode>3, rotlti3, rotqbybi_ti, rotqby_ti, rotqbi_ti): Use
522         spu_nonmem_operand instead of spu_shift_operands.  Use new modifiers.
523         (lshr<mode>3_reg):  Fix rtl description.
525         Make sure mulhisi immediate operands are valid.
526         * config/spu/predicates.md (imm_K_operand): Add.
527         * config/spu/spu.md (mulhisi3_imm, umulhisi3_imm): Use imm_K_operand.
529         Generate constants using fsmbi and andi.
530         * config/spu/spu.c (enum immediate_class): Add IC_FSMBI2.
531         (print_operand, spu_split_immediate, classify_immediate,
532         fsmbi_const_p): Handle IC_FSMBI2.
534         Correctly handle a CONST_VECTOR containing symbols.
535         * config/spu/spu.c (print_operand): Handle HIGH correctly.
536         (spu_split_immediate): Split CONST_VECTORs with -mlarge-mem.
537         (immediate_load_p): Allow symbols that use 2 instructions to create.
538         (classify_immediate, spu_builtin_splats):  Don't accept a CONST_VECTOR
539         with symbols when flag_pic is set.
540         (const_vector_immediate_p): New.
541         (logical_immediate_p, iohl_immediate_p, arith_immediate_p): Don't
542         accept a CONST_VECTOR with symbols.
543         (spu_legitimate_constant_p): Use const_vector_immediate_p.  Don't
544         accept a CONST_VECTOR with symbols when flag_pic is set.  Handle HIGH
545         correctly.
546         * config/spu/spu.md (high, low): Delete.
547         (low_<mode>): Define.
549         Remove INTRmode and INTR_REGNUM, which didn't work.
550         * config/spu/spu.c (spu_conditional_register_usage): Remove reference
551         of INTR_REGNUM.
552         * config/spu/spu-builtins.md (spu_idisable, spu_ienable, set_intr,
553         set_intr_pic, set_intr_cc, set_intr_cc_pic, set_intr_return, unnamed
554         peephole2 pattern): Don't use INTR or 131.
555         (movintrcc): Delete.
556         * config/spu/spu.h (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS,
557         CALL_USED_REGISTERS, REGISTER_NAMES, INTR_REGNUM): Remove INTR_REGNUM.
558         * config/spu/spu.md (UNSPEC_IDISABLE, UNSPEC_IENABLE): Remove.
559         (UNSPEC_SET_INTR): Add.
560         * config/spu/spu-modes.def (INTR): Remove.
562         More accurate warnings about run-time relocations.
563         * config/spu/spu.c (reloc_diagnostic): Test in_section.
565         Correctly warn about immediate arguments to specific intrinsics.
566         * config/spu/spu.c (spu_check_builtin_parm): Handle CONST_VECTORs.
567         (spu_expand_builtin_1): Call spu_check_builtin_parm before checking
568         the instruction predicate.
570         Fix tree check errors with latest update.
571         * config/spu/spu.c (expand_builtin_args, spu_expand_builtin_1): Use
572         CALL_EXPR_ARG.
573         (spu_expand_builtin): Use CALL_EXPR_FN.
575         Add missing specific intrinsics.
576         * config/spu/spu-builtins.def: Add si_bisled, si_bisledd and
577         si_bislede.
578         * config/spu/spu_internals.h: Ditto.
580         Fix incorrect operand modifiers.
581         * config/spu/spu-builtins.md (spu_mpy, spu_mpyu):  Remove use of %H.
582         * config/spu/spu.md (xor<mode>3):  Change %S to %J.
584         Optimize one case of zero_extend of a vec_select.
585         * config/spu/spu.md (_vec_extractv8hi_ze):  Add.
587         Accept any immediate for hbr.
588         * config/spu/spu.md (hbr):  Change s constraints to i.
590 2007-02-21  Paul Brook  <paul@codesourcery.com>
592         * config/arm/arm.c (thumb2_final_prescan_insn): Don't incrememnt
593         condexec_count when skipping USE and CLOBBER.
595 2007-02-21  Nick Clifton  <nickc@redhat.com>
597         * common.opt (Warray-bounds): Add Warning attribute.
598         (Wstrict-overflow, Wstrict-overflow=, Wcoverage-mismatch):
599         Likewise.
600         (fsized-zeroes): Add Optimization attribute.
601         (fsplit-wide-types, ftree-scev-cprop): Likewise.
602         * c.opt (Wc++0x-compat): Add Warning attribute.
604 2007-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
606         PR middle-end/30761
607         * reload1.c (eliminate_regs_in_insn): In the single_set special
608         case, attempt to re-recognize the insn before falling back to
609         having reload fix it up.
611 2007-02-20  Eric Christopher  <echristo@gmail.com>
613         * config/frv/frv.c (frv_read_argument): Take a tree and int argument.
614         Rewrite accordingly.
615         (frv_read_iacc_argument): Ditto.
616         (frv_expand_set_builtin): Take a call instead of arglist, update for
617         above changes.
618         (frv_expand_unop_builtin): Ditto.
619         (frv_expand_binop_builtin): Ditto.
620         (frv_expand_cut_builtin): Ditto.
621         (frv_expand_binopimm_builtin): Ditto.
622         (frv_expand_voidbinop_builtin): Ditto.
623         (frv_expand_int_void2arg): Ditto.
624         (frv_expand_prefetches): Ditto.
625         (frv_expand_voidtriop_builtin): Ditto.
626         (frv_expand_voidaccop_builtin): Ditto.
627         (frv_expand_load_builtin): Ditto.
628         (frv_expand_store_builtin): Ditto.
629         (frv_expand_mdpackh_builtin): Ditto.
630         (frv_expand_mclracc_builtin): Ditto.
631         (frv_expand_mrdacc_builtin): Ditto.
632         (frv_expand_mwtacc_builtin): Ditto.
633         (frv_expand_builtin): Remove usage of CALL_EXPR_ARGS, update
634         calls for above.
636 2007-02-20  Janis Johnson  <janis187@us.ibm.com>
638         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcmpb and -mdfp.
639         * configure.ac (HAVE_GAS_CMPB): Check for assembler support of the
640         cmpb instruction.
641         (HAVE_GAS_DFP): Check for assembler support of decimal floating
642         point instructions.
643         * configure: Regenerate.
644         * config.in: Regenerate.
645         * config/rs6000/rs6000.opt (mcmpb, mdfp): New.
646         * config/rs6000/rs6000.c (rs6000_override_options): Add CMPB and DFP
647         masks to power6 and power6x and to POWERPC_MASKS.
648         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
649         _ARCH_PWR6.
650         * config/rs6000/rs6000.h: Check assembler support for CMPB and DFP.
651         * config/rs6000/sysv4.opt (mprototype): Use variable, not mask.
652         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
653         Access PROTOTYPE as variable, not mask.
655 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
657         * rtl.h (remove_reg_equal_equiv_notes): New prototype.
658         * rtlanal.c (remove_reg_equal_equiv_notes): New function.
659         * combine.c (adjust_for_new_dest): Use it.
660         * postreload.c (reload_combine): Likewise.
662 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
664         * rtlanal.c (find_reg_equal_equiv_note): Do not find REG_EQ*
665         notes on an insn with multiple sets, even if single_set returns
666         non-NULL for that insn.
668 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
670         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle scalb,
671         scalbn and scalbln.
673 2007-02-20  Geoffrey Keating  <geoffk@apple.com>
675         * config/darwin.h (LINK_SPEC): Default -mmacosx-version-min only
676         if user didn't pass it.
677         * config/i386/darwin.h (CC1_SPEC): Likewise.
678         * config/rs6000/darwin.h (CC1_SPEC): Likewise.
679         (DARWIN_MINVERSION_SPEC): Don't depend on user's setting of
680         -mmacosx-version-min.
682 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
683             Uros Bizjak  <ubizjak@gmail.com>
685         * optabs.h (enum optab_index): Add new OTI_scalb.
686         (scalb_optab): Define corresponding macro.
687         * optabs.c (init_optabs): Initialize scalb_optab.
688         * genopinit.c (optabs): Implement scalb_optab using scalb?f3
689         patterns.
690         * builtins.c (expand_builtin_mathfn_2, expand_builtin): Handle
691         BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L} and BUILT_IN_SCALBLN{,F,L}.
692         (expand_builtin): Expand BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L}
693         and BUILT_IN_SCALBLN{,F,L} using expand_builtin_mathfn_2 if
694         flag_unsafe_math_optimizations is set.
696         * config/i386/i386.md (scalbxf3, scalb<mode>3): New expanders
697         to implement scalbf, scalb and scalbl built-ins as inline x87
698         intrinsics.
700 2007-02-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
701             DJ Delorie <dj@redhat.com>
703         PR other/30824
704         * diagnostic.c (diagnostic_count_diagnostic): Move -Werror logic to...
705         (diagnostic_report_diagnostic): ... here, and turn them into real
706         errors. If warnings are inhibited, no need to do anything.
708 2007-02-20  Uros Bizjak  <ubizjak@gmail.com>
710         * config/i386/i386.md (expm1xf2): Reorder insn sequence for
711         better code generation.
713 2007-02-20  Ben Elliston  <bje@au.ibm.com>
715         * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove extra ;.
717 2007-02-20  Kazu Hirata  <kazu@codesourcery.com>
719         * config/alpha/alpha.c, config/alpha/alpha.md,
720         config/alpha/lib1funcs.asm, config/alpha/vms-crt0-64.c,
721         config/alpha/vms-psxcrt0-64.c, config/arc/arc.c,
722         config/arc/arc.h, config/arm/arm.c, config/arm/arm.md,
723         config/arm/lib1funcs.asm: Follow spelling conventions.
725         * config/c4x/c4x.md, config/cris/cris.c, config/crx/crx.c,
726         config/fr30/fr30.md, config/i386/i386.h,
727         config/iq2000/iq2000.h, config/iq2000/predicates.md,
728         config/pa/milli64.S, config/pa/pa.c, config/pa/pa.h,
729         config/pa/pa.md, config/pa/pa32-regs.h, config/pa/pa64-regs.h,
730         config/pdp11/pdp11.c, config/pdp11/pdp11.h,
731         config/rs6000/altivec.md, config/rs6000/rs6000.c,
732         config/s390/s390-modes.def, config/sparc/netbsd-elf.h,
733         config/sparc/sparc.c, config/sparc/sparc.h,
734         config/sparc/sparc.md, config/spu/constraints.md,
735         config/spu/spu.c, config/stormy16/stormy16.md: Follow spelling
736         conventions.
738 2007-02-20  Alan Modra  <amodra@bigpond.net.au>
740         PR target/29943
741         * varasm.c (use_blocks_for_decl_p): Return false for decls with
742         alias attribute.
744 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
746         * doc/invoke.texi (-ftree-lrs): Remove.
748 2007-02-19  Diego Novillo  <dnovillo@redhat.com>
750         * tree-ssa-pre.c (create_value_expr_from): Initialize POOL to
751         NULL.
753 2007-02-19  Lee Millward  <lee.millward@codesourcery.com>
755         * config/ia64/ia64.c (ia64_expand_builtin): Use the
756         new CALL_EXPR_FN macro for retrieving the function
757         declaration of the input expression.
759 2007-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
761         * c.opt (Waddress): New.
762         * common.opt (Walways-true): Delete.
763         (Wstring-literal-comparison): Delete.
764         * doc/invoke.texi (Warning Options): Delete -Walways-true and
765         -Wstring-literal-comparison. Add -Waddress.
766         (Waddress): New.
767         (Walways-true): Delete.
768         (Wstring-literal-comparison): Delete.
769         * doc/extend.texi (#pragma GCC diagnostic): Use -Wformat
770         consistently instead of -Walways-true in example.
771         * c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall.
772         * c-typeck.c (parser_build_binary_op): Replace
773         -Wstring-literal-comparison and -Walways-true with -Waddress.
774         * c-common.c (c_common_truthvalue_conversion): Replace -Walways-true
775         with -Waddress.
777 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
779         * tree-cfg.c (dump_function_to_file): Be prepared for functions
780         without DECL_STRUCT_FUNCTION initialized.
782 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
784         * gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap
785         due to calls to functions taking pointers as parameters.
787 2007-02-19  Richard Henderson  <rth@redhat.com>
789         PR debug/29558
790         * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
791         in memory.
793 2007-02-19  Andreas Krebbel  <krebbel1@de.ibm.com>
795         * config/s390/s390.c (s390_call_saved_register_used,
796         s390_function_ok_for_sibcall): Adjust the way CALL_EXPR arguments are
797         accessed to the new scheme.
799 2007-02-19  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
801         * config/cris/cris.c (cris_movem_load_rest_p, cris_store_multiple_op_p)
802         (cris_print_index, cris_print_operand, cris_print_operand_address)
803         (cris_reload_address_legitimized, cris_rtx_costs, cris_address_cost)
804         (cris_side_effect_mode_ok, cris_valid_pic_const, cris_split_movdx)
805         (cris_expand_pic_call_address): Use xxx_P predicate macros instead of
806         GET_CODE () == xxx.
807         * config/cris/cris.h (SECONDARY_RELOAD_CLASS, EXTRA_CONSTRAINT_Q,
808         EXTRA_CONSTRAINT_T, BDAP_INDEX_P, BIAP_INDEX_P, SIMPLE_ADDRESS_P,
809         GO_IF_LEGITIMATE_ADDRESS): Ditto.
810         * config/cris/cris.md (define_insns: *btst, movdi, *mov_side<mode>)
811         (*mov_sidesisf, *mov_side<mode>_mem, *mov_sidesisf_mem)
812         (*clear_side<mode>, movsi, *movsi_internal, *ext_sideqihi)
813         (*ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>, addsi3)
814         (*extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side)
815         (*extop<mode>si_swap_side, addi_mul, *addi,andsi3, andhi3, ashl<mode>3)
816         (uminsi3, call, call_value): Ditto.
817         (define_split: indir_to_reg_split, unnamed): Ditto.
819 2007-02-19  Dorit Nuzman  <dorit@il.ibm.com>
821         PR tree-optimization/30975
822         * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove
823         wrong assert.
825 2007-02-18  Eric Christopher  <echristo@gmail.com>
827         * mips.c (mips_prepare_builtin_arg): Add argnum parameter.
828         Remove use of arglist.
829         (mips_expand_builtin): Remove use of arglist, pass in expr.
830         (mips_expand_builtin_direct): Rewrite handling for arglist removal.
831         (mips_expand_builtin_movtf): Ditto.
832         (mips_expand_builtin_compare): Ditto.
834 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
836         * tree-sra.c (sra_build_assignment): Replace assertion
837         checking with a comment explaining why it can't be done.
839 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
841         PR middle-end/30833
842         * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed
843         during CALL_EXPR representation conversion.
844         * tree-ssa-propagate.c (set_rhs): Likewise.
846 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
848         * tree-sra.c (sra_build_assignment): Disable assertion checking
849         for now.
851 2007-02-18  Roger Sayle  <roger@eyesopen.com>
853         * function.c (gimplify_parameters): Call build_gimple_modify_stmt
854         instead of calling build2 with a GIMPLE_MODIFY_STMT.
855         * gimple-low.c (lower_function_body, lower_builtin_setjmp):
856         Likewise.
857         * gimplify.c (build_stack_save_restore, gimplify_return_expr,
858         gimplify_decl_expr,  gimplify_self_mod_expr, gimplify_cond_expr,
859         gimplify_init_ctor_eval_range, gimple_push_cleanup,
860         gimplify_omp_for, gimplify_omp_atomic_pipeline,
861         gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos,
862         force_gimple_operand): Likewise.
863         * ipa-cp.c (constant_val_insert): Likewise.
864         * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
865         lambda_loopnest_to_gcc_loopnest, replace_uses_equiv_to_x_with_y,
866         perfect_nestify): Likewise.
867         * langhooks.c (lhd_omp_assignment): Likewise.
868         * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses,
869         lower_copyprivate_clauses, lower_send_clauses,
870         lower_send_shared_vars, expand_parallel_call,
871         expand_omp_for_generic, expand_omp_for_static_nochunk,
872         expand_omp_for_static_chunk, expand_omp_sections,
873         lower_omp_single_copy, lower_omp_for_lastprivate,
874         lower_omp_parallel, init_tmp_var, save_tmp_var): Likewise.
875         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
876         tree_mod_subtract, tree_ic, tree_stringop_fixed_value):
877         Likewise.
879 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
881         * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h,
882         config/sh/sh.md: Follow spelling conventions.
884         * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md,
885         config/frv/predicates.md: Follow spelling conventions.
887         * config/m68k/linux-unwind.h: Fix a comment typo.
888         * target.h: Follow spelling conventions.
890 2007-02-18  Roger Sayle  <roger@eyesopen.com>
892         PR rtl-optimization/28173
893         * simplify-rtx.c (simplify_binary_operation_1) <IOR>:  Optimize
894         (X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects.
895         Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0.
896         Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2.
897         <AND>: Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2).
899 2007-02-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
901         * builtins.c (fold_builtin_load_exponent): New.
902         (fold_builtin_2): Use it.
904 2007-02-18  Steven Bosscher  <steven@gcc.gnu.org>
906         PR rtl-optimization/30773
907         * local-alloc.c (update_equiv_regs): Do not set reg_equiv_init
908         if we fail to attach a REG_EQUIV note.
910 2007-02-18  David Edelsohn  <edelsohn@gnu.org>
911             Roger Sayle  <roger@eyesopen.com>
913         * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter.
915 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
917         * calls.c (initialize_argument_information): Pass original EXP
918         and STRUCT_VALUE_ADDR_VALUE instead of a list of arguments.  Move
919         code to split complex arguments here, as part of initializing the
920         ARGS array.
921         (expand_call): Remove code that builds a list of arguments and
922         inserts implicit arguments into it.  Instead, just count how many
923         implicit arguments there will be so we can determine the size of
924         the ARGS array, and let initialize_argument_information do the work.
925         (split_complex_values): Delete unused function.
927 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
929         * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.
931 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
933         * calls.c (mem_overlaps_already_clobbered_arg_p): Return true
934         for arg pointer based indexed addressing.
936 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
938         * config/ia64/ia64.h, config/ia64/ia64.md,
939         config/ia64/predicates.md, config/ia64/sysv4.h: Follow
940         spelling conventions.
942 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
944         * config/m68k/m68k.c (split_di): New.
945         * config/m68k/m68k-protos.h: Declare split_di.
946         * config/m68k/m68k.md (extendsidi2*,ashldi3*,ashrdi3*,lshrdi3*):
947           Improve predicate handling and split constant shifts.
949 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
951         * config/m68k/m68k.md (extv,extzv,insv): disable dynamic
952         parameter for register bitfield operations, general predicates
953         cleanup
955 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
957         * config/m68k/linux.h (MD_UNWIND_SUPPORT): Define.
958         * config/m68k/linux-unwind.h: New file.
960 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
962         * cfgloop.c, config/alpha/alpha.c, config/bfin/bfin.c,
963         config/i386/athlon.md, config/ia64/ia64.md,
964         config/rs6000/rs6000.c, config/s390/s390.c, config/spu/spu.md,
965         df-problems.c, df.h, fold-const.c, ipa-cp.c, ipa-inline.c,
966         ipa-prop.h, see.c, struct-equiv.c, tree-inline.c,
967         tree-ssa-loop-niter.c, tree-vect-analyze.c,
968         tree-vect-transform.c: Fix comment typos.
970 2007-02-17  Kazu Hirata  <kazu@codesourcery.com>
972         * sched-deps.c (find_insn_list): Remove.
973         * sched-int.h: Remove the prototype for find_insn_list.
975 2007-02-16  Geoffrey Keating  <geoffk@apple.com>
977         * config/darwin.h (LINK_SPEC): Always pass -macosx_version_min
978         to linker.
979         (DARWIN_EXTRA_SPECS): Add %(darwin_minversion).
980         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Just call
981         darwin_rs6000_override_options.
982         (C_COMMON_OVERRIDE_OPTIONS): Expect
983         darwin_macosx_version_min to be non-NULL always.
984         (TARGET_C99_FUNCTIONS): Likewise.
985         (CC1_SPEC): Always pass -mmacosx-version-min to cc1*.
986         (DARWIN_MINVERSION_SPEC): New.
987         * config/rs6000/rs6000.c (darwin_rs6000_override_options): New.
988         * config/i386/darwin.h (CC1_SPEC): Always pass -mmacosx-version-min
989         to cc1*.
990         (DARWIN_MINVERSION_SPEC): New.
991         * config/darwin.opt (mmacosx-version-min): Initialize to non-NULL
992         value.
993         * config/darwin-c.c (darwin_cpp_builtins): Expect
994         darwin_macosx_version_min to be non-NULL always.
996         * config/rs6000/rs6000.c: Clean up trailing whitespace.
998 2007-02-16  Uros Bizjak  <ubizjak@gmail.com>
1000         * config/i386/i386.h (x86_use_xchgb): New.
1001         (TARGET_USE_XCHGB): New macro.
1002         * config/i386/i386.c (x86_use_xchgb): Set for PENT4.
1003         * config/i386/i386.md (*rotlhi3_1 splitter, *rotrhi3_1 splitter):
1004         Split after reload into bswaphi for shifts of 8.
1005         (bswaphi_lowpart): Generate rolw insn for HImode byte swaps.
1006         (*bswaphi_lowpart_1): Generate xchgb for Q registers for TARGET_XCHGB
1007         or when optimizing for size.
1009 2007-02-16  Richard Guenther  <rguenther@suse.de>
1010             Christian Bruel  <christian.bruel@st.com>
1012         * fold-const.c (tree_swap_operands_p): Treat SSA_NAMEs like
1013         DECLs but prefer SSA_NAMEs over DECLs.
1015 2007-02-16  Richard Guenther  <rguenther@suse.de>
1017         * tree-flow-inline.h (single_imm_use_p): Remove.
1018         (zero_imm_uses_p): Likewise.
1019         * tree-ssa-coalesce.c (create_outofssa_var_map): Use has_single_use
1020         instead of single_imm_use_p.
1021         * tree-cfg.c (replace_uses_by): Use has_zero_use instead of
1022         zero_imm_uses_p.
1024 2007-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1026         PR other/27843
1027         * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid
1028         nested double- and backquotes.
1030 2007-02-15  Roger Sayle  <roger@eyesopen.com>
1032         PR middle-end/30391
1033         * tree.c (expr_align): Handle MODIFY_EXPR.  GIMPLE_MODIFY_STMT
1034         should be unreachable.
1035         (build2_stat): Allow construction of MODIFY_EXPR at any time.
1036         For the time being redirect GIMPLE_MODIFY_STMT to the new
1037         (renamed) build_gimple_modify_stmt_stat.
1038         (build2_gimple_stat): Rename to...
1039         (build_gimple_modify_stmt_stat): Now longer take a CODE argument.
1040         Always build a GIMPLE_MODIFY_STMT node.
1041         * tree.h (build2_gimple, build2_gimple_stat): Delete.
1042         (build_gimple_modify_stmt, build_gimple_modify_stmt_stat): New
1043         declarations.
1045         * tree-cfg.c (factor_computed_gotos, tree_merge_blocks,
1046         gimplify_val): Use build_gimple_modify_stmt instead of build2_gimple.
1047         * tree-complex.c (set_component_ssa_name, expand_complex_move,
1048         expand_complex_div_wide): Likewise.
1049         * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
1050         * tree-ssa-loop-im.c (schedule_sm): Likewise.
1051         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Likewise.
1052         * tree-ssa-loop-manip.c (create_iv): Likewise.
1053         * tree-ssa-phiopt.c (conditional_replacement, minmax_replacement,
1054         abs_replacement): Likewise.
1055         * tree-ssa-pre.c (create_expression_by_pieces, poolify_modify_stmt,
1056         realify_fake_stores): Likewise.
1058         * builtins.c (std_expand_builtin_va_start): Build a MODIFY_EXPR
1059         node rather than a GIMPLE_MODIFY_STMT node.
1060         (std_gimpify_va_arg_expr, expand_builtin_va_copy,
1061         fold_builtin_memset, fold_builtin_memory_op, do_mpfr_sincos):
1062         Likewise.
1063         (integer_valued_real_p): Handle MODIFY_EXPR, not GIMPLE_MODIFY_STMT.
1064         * expr.c (expand_expr_real_1): Handle both MODIFY_EXPR and
1065         GIMPLE_MODIFY_STMT.
1067 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1069         PR middle-end/30433
1070         * fold-const.c (fold_comparison): Add back the
1071         folding of constant complex comparisions.
1073 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1075         PR middle-end/30729
1076         * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
1077         effects unknown to this function, return early.
1079 2007-02-15  Ian Lance Taylor  <iant@google.com>
1081         * lower-subreg.c (move_eh_region_note): New static function.
1082         (resolve_simple_move): Call it.
1083         (decompose_multiword_subregs): Track blocks for which we resolve a
1084         simple move which is also a control flow insn.  Pass them to
1085         find_many_sub_basic_blocks.
1086         (pass_lower_subreg): Add TODO_verify_flow.
1087         (pass_lower_subreg2): Likewise.
1089 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
1090             Brooks Moses  <brooks.moses@codesourcery.com>
1091             Lee Millward  <lee.millward@codesourcery.com>
1093         * tree.h (enum tree_code_class): Add tcc_vl_exp.
1094         (VL_EXP_CLASS_P): New.
1095         (TREE_OPERAND_CHECK): Use TREE_OPERAND_LENGTH instead of
1096         TREE_CODE_LENGTH.
1097         (TREE_OPERAND_CHECK_CODE): Likewise.
1098         (GIMPLE_STMT_OPERAND_CHECK): Likewise.
1099         (TREE_RTL_OPERAND_CHECK): Likewise.
1100         (tree_operand_check_failed): Make second parameter the whole tree
1101         instead of its code.  Fixed callers.
1102         (VL_EXP_CHECK): New.
1103         (TREE_OPERAND_LENGTH): New.
1104         (VL_EXP_OPERAND_LENGTH): New.
1105         (CALL_EXPR_FN): New.
1106         (CALL_EXPR_STATIC_CHAIN): New.
1107         (CALL_EXPR_ARGS): New.
1108         (CALL_EXPR_ARG): New.
1109         (call_expr_nargs): New.
1110         (CALL_EXPR_ARGP): New.
1111         (build_nt_call_list): Declare.
1112         (build_vl_exp_stat): Declare.
1113         (build_vl_exp): New.
1114         (build_call_list): Declare.
1115         (build_call_nary): Declare.
1116         (build_call_valist): Declare.
1117         (build_call_array): Declare.
1118         (call_expr_arg): Declare.
1119         (call_expr_argp): Declare.
1120         (call_expr_arglist): Declare.
1121         (fold_build_call_list): Declare.
1122         (fold_build_call_list_initializer): Declare.
1123         (fold_call_expr): Declare to replace fold_builtin.
1124         (fold_builtin_fputs): Update to agree with modified definition.
1125         (fold_builtin_strcpy): Likewise.
1126         (fold_builtin_strncpy): Likewise.
1127         (fold_builtin_memory_chk): Likewise.
1128         (fold_builtin_stxcpy_chk): Likewise.
1129         (fold_builtin_strncpy_chk): Likewise.
1130         (fold_builtin_next_arg): Likewise.
1131         (fold_build_call_expr): Declare.
1132         (fold_builtin_call_list): Declare.
1133         (fold_builtin_call_valist): Declare.
1134         (build_call_expr): Declare.
1135         (validate_arglist): Update to agree with modified definition.
1136         (tree_operand_length): New.
1137         (call_expr_arg_iterator): New.
1138         (init_call_expr_arg_iterator): New.
1139         (next_call_expr_arg): New.
1140         (first_call_expr_arg): New.
1141         (more_call_expr_args_p): New.
1142         (FOR_EACH_CALL_EXPR_ARG): New.
1144         * tree.c (tree_code_class_string): Add entries for tcc_vl_exp
1145         and tcc_gimple_stmt.
1146         (tree_code_size): Update documentation.  Use sizeof (tree) rather
1147         than sizeof (char *).
1148         (tree_size): Likewise.  Add case for tcc_vl_exp.
1149         (tree_node_structure): Add case for tcc_vl_exp.
1150         (contains_placeholder_p): Likewise.
1151         (substitute_in_expr): Likewise.
1152         (substitute_placeholder_in_expr): Likewise.
1153         (stabilize_reference_1): Likewise.
1154         (build3_stat): Remove logic for CALL_EXPRs.  Replace with assertion
1155         to diagnose breakage of this interface for constructing CALL_EXPRs.
1156         (build_nt): Add similar assertion here.
1157         (build_nt_call_list): New.
1158         (simple_cst_equal) <CALL_EXPR>: Rewrite to use new accessors.
1159         (iterative_hash_expr): Use TREE_OPERAND_LENGTH instead of
1160         TREE_CODE_LENGTH.
1161         (get_callee_fndecl): Use new CALL_EXPR accessors.
1162         (tree_operand_check_failed): Change parameters to pass entire node
1163         instead of its code, so that we can call TREE_OPERAND_LENGTH on it.
1164         (process_call_operands): New.
1165         (build_vl_exp_stat): New.
1166         (build_call_list): New.
1167         (build_call_nary): New.
1168         (build_call_valist): New.
1169         (build_call_array): New.
1170         (walk_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1171         (call_expr_arglist): New.
1173         * tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use
1174         tcc_vl_exp instead of a fixed-size tcc_expression.
1176         * doc/c-tree.texi (CALL_EXPR): Document new representation and
1177         accessors for CALL_EXPRs.
1178         (AGGR_INIT_EXPR): Likewise.
1180 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
1181             Brooks Moses  <brooks.moses@codesourcery.com>
1182             Lee Millward  <lee.millward@codesourcery.com>
1184         * builtins.c (c_strlen): Return NULL_TREE instead of 0.
1185         (expand_builtin_nonlocal_goto): Change parameter to be entire
1186         CALL_EXPR instead of an arglist.  Use new CALL_EXPR accessors.
1187         (expand_builtin_prefetch): Likewise.
1188         (expand_builtin_classify_type): Likewise.
1189         (mathfn_built_in): Return NULL_TREE instead of 0.
1190         (expand_errno_check): Use new CALL_EXPR accessors.
1191         (expand_builtin_mathfn): Use new CALL_EXPR accessors and constructors.
1192         Return NULL_RTX instead of 0.
1193         (expand_builtin_mathfn_2): Likewise.
1194         (expand_builtin_mathfn_3): Likewise.
1195         (expand_builtin_interclass_mathfn): Likewise.
1196         (expand_builtin_sincos): Likewise.
1197         (expand_builtin_cexpi): Likewise.
1198         (expand_builtin_int_roundingfn): Likewise.
1199         (expand_builtin_int_roundingfn_2): Likewise.
1200         (expand_builtin_pow): Likewise.
1201         (expand_builtin_powi): Likewise.
1202         (expand_builtin_strlen): Pass entire CALL_EXPR as parameter instead
1203         of arglist, fixing callers appropriately.  Use new CALL_EXPR
1204         accessors and constructors.  Return NULL_RTX instead of 0.
1205         (expand_builtin_strstr): Likewise.
1206         (expand_builtin_strchr): Likewise.
1207         (expand_builtin_strrchr): Likewise.
1208         (expand_builtin_strpbrk): Likewise.
1209         (expand_builtin_memcpy): Likewise.
1210         (expand_builtin_mempcpy): Likewise.
1211         (expand_builtin_mempcpy_args): New.
1212         (expand_builtin_memmove): Similarly to expand_builtin_mempcpy.
1213         (expand_builtin_memmove_args): New.
1214         (expand_builtin_bcopy): Similarly to expand_builtin_mempcpy.
1215         (expand_movstr): Likewise.
1216         (expand_builtin_strcpy): Likewise.
1217         (expand_builtin_strcpy_args): New.
1218         (expand_builtin_stpcpy): Similarly to expand_builtin_strcpy.
1219         (expand_builtin_strncpy): Likewise.
1220         (expand_builtin_memset): Likewise.
1221         (expand_builtin_memset_args): New.
1222         (expand_builtin_bzero): Similarly to expand_builtin_memset.
1223         (expand_builtin_memcmp): Likewise.
1224         (expand_builtin_strcmp): Likewise.
1225         (expand_builtin_strncmp): Likewise.
1226         (expand_builtin_strcat): Likewise.
1227         (expand_builtin_strncat): Likewise.
1228         (expand_builtin_strspn): Likewise.
1229         (expand_builtin_strcspn): Likewise.
1230         (expand_builtin_args_info): Likewise.
1231         (expand_builtin_va_start): Likewise.
1232         (gimplify_va_arg_expr): Likewise.
1233         (expand_builtin_va_end): Likewise.
1234         (expand_builtin_va_copy): Likewise.
1235         (expand_builtin_frame_address): Likewise.
1236         (expand_builtin_alloca): Likewise.
1237         (expand_builtin_bswap): Likewise.
1238         (expand_builtin_unop): Likewise.
1239         (expand_builtin_fputs): Likewise.
1240         (expand_builtin_expect): Likewise.
1241         (expand_builtin_fabs): Likewise.
1242         (expand_builtin_copysign): Likewise.
1243         (expand_builtin_printf): Likewise.
1244         (expand_builtin_fprintf): Likewise.
1245         (expand_builtin_sprintf): Likewise.
1246         (expand_builtin_init_trampoline): Likewise.
1247         (expand_builtin_signbit): Likewise.
1248         (expand_builtin_fork_or_exec): Likewise.
1249         (expand_builtin_sync_operation): Likewise.
1250         (expand_builtin_compare_and_swap): Likewise.
1251         (expand_builtin_lock_test_and_set): Likewise.
1252         (expand_builtin_lock_release): Likewise.
1253         (expand_builtin): Likewise.
1254         (builtin_mathfn_code): Likewise.
1256         (fold_builtin_constant_p): Pass call arguments individually instead
1257         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
1258         accessors and constructors.  Return NULL_TREE instead of 0.
1259         (fold_builtin_expect): Likewise.
1260         (fold_builtin_classify_type): Likewise.
1261         (fold_builtin_strlen): Likewise.
1262         (fold_builtin_nan): Likewise.
1263         (integer_valued_real_p): Likewise.
1264         (fold_trunc_transparent_mathfn): Likewise.
1265         (fold_fixed_mathfn): Likewise.
1266         (fold_builtin_cabs): Likewise.
1267         (fold_builtin_sqrt): Likewise.
1268         (fold_builtin_cbrt): Likewise.
1269         (fold_builtin_cos): Likewise.
1270         (fold_builtin_cosh): Likewise.
1271         (fold_builtin_tan): Likewise.
1272         (fold_builtin_sincos): Likewise.
1273         (fold_builtin_cexp): Likewise.
1274         (fold_builtin_trunc): Likewise.
1275         (fold_builtin_floor): Likewise.
1276         (fold_builtin_ceil): Likewise.
1277         (fold_builtin_round): Likewise.
1278         (fold_builtin_int_roundingfn): Likewise.
1279         (fold_builtin_bitop): Likewise.
1280         (fold_builtin_bswap): Likewise.
1281         (fold_builtin_logarithm): Likewise.
1282         (fold_builtin_hypot): Likewise.
1283         (fold_builtin_pow): Likewise.
1284         (fold_builtin_powi): Likewise.
1285         (fold_builtin_exponent): Likewise.
1286         (fold_builtin_memset): Likewise.
1287         (fold_builtin_bzero): Likewise.
1288         (fold_builtin_memory_op): Likewise.
1289         (fold_builtin_bcopy): Deleted; call site changed to invoke
1290         fold_builtin_memory_op directly.
1291         (fold_builtin_strcpy): Similarly as for fold_builtin_memory_op.
1292         (fold_builtin_strncpy): Likewise.
1293         (fold_builtin_memcmp): Likewise.
1294         (fold_builtin_strcmp): Likewise.
1295         (fold_builtin_strncmp): Likewise.
1296         (fold_builtin_signbit): Likewise.
1297         (fold_builtin_copysign): Likewise.
1298         (fold_builtin_isascii): Likewise.
1299         (fold_builtin_toascii): Likewise.
1300         (fold_builtin_isdigit): Likewise.
1301         (fold_builtin_fabs): Likewise.
1302         (fold_builtin_abs): Likewise.
1303         (fold_builtin_fmin_fmax): Likewise.
1304         (fold_builtin_carg): Likewise.
1305         (fold_builtin_classify): Likewise.
1306         (fold_builtin_unordered_cmp): Likewise.
1308         (fold_builtin_0, fold_builtin_2, fold_builtin_3, fold_builtin_4):
1309         New functions split out from fold_builtin_1.
1310         (fold_builtin_n): New.
1311         (fold_builtin_varargs): New.
1312         (fold_builtin): Deleted.  Most callers changed to use fold_call_expr
1313         instead.
1314         (fold_call_expr): New.
1315         (build_function_call_expr): Rewrite to use new helper function.
1316         (fold_builtin_call_list): New.
1317         (build_call_expr): New.
1318         (fold_builtin_call_valist): New.
1319         (rewrite_call_expr): New.
1320         (validate_arg): New.
1321         (validate_arglist): Change parameter to be entire CALL_EXPR instead
1322         of an arglist.  Change return type to bool.  Use new CALL_EXPR
1323         accessors.
1325         (fold_builtin_strstr):  Pass call arguments individually instead
1326         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
1327         accessors and constructors.  Return NULL_TREE instead of 0.
1328         (fold_builtin_strchr): Likewise.
1329         (fold_builtin_strrchr): Likewise.
1330         (fold_builtin_strpbrk): Likewise.
1331         (fold_builtin_strcat): Likewise.
1332         (fold_builtin_strncat): Likewise.
1333         (fold_builtin_strspn): Likewise.
1334         (fold_builtin_strcspn): Likewise.
1335         (fold_builtin_fputs): Likewise.
1336         (fold_builtin_next_arg): Likewise.
1337         (fold_builtin_sprintf): Likewise.
1339         (expand_builtin_object_size): Use new CALL_EXPR accessors.  Use
1340         NULL_RTX instead of 0.
1341         (expand_builtin_memory_chk): Likewise.
1342         (maybe_emit_chk_warning): Likewise.
1343         (maybe_emit_sprintf_chk_warning): Likewise.
1345         (fold_builtin_object_size): Pass call arguments individually instead
1346         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
1347         accessors and constructors.  Return NULL_TREE instead of 0.
1348         (fold_builtin_memory_chk): Likewise.
1349         (fold_builtin_stxcpy_chk): Likewise.
1350         (fold_builtin_strncpy_chk): Likewise.
1351         (fold_builtin_strcat_chk): Likewise.
1352         (fold_builtin_strcat_chk): Likewise.
1353         (fold_builtin_strncat_chk): Likewise.
1354         (fold_builtin_sprintf_chk): Likewise.
1355         (fold_builtin_snprintf_chk): Likewise.
1356         (fold_builtin_printf): Likewise.
1357         (fold_builtin_vprintf): Likewise.
1359         * fold-const.c (negate_expr_p): Use new CALL_EXPR accessors and
1360         constructors.
1361         (operand_equal_p): Add separate tcc_vl_exp/CALL_EXPR case.
1362         (make_range): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1363         (extract_muldiv_1): Add VL_EXP_CLASS_P case.
1364         (fold_mathfn_compare): Use new CALL_EXPR accessors and constructors.
1365         (fold_unary): Likewise.
1366         (fold_binary): Likewise.
1367         (fold_ternary): Remove CALL_EXPR case, since they are no longer
1368         ternary expressions.
1369         (fold): Add logic for tcc_vl_exp.
1370         (fold_checksum_tree):  Make it know about tcc_vl_exp.  Use
1371         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1372         (fold_build3_stat): Add assertion to flag broken interface for
1373         constructing CALL_EXPRs.
1374         (fold_build_call_list): New.
1375         (fold_build_call_list_initializer): New.
1376         (tree_expr_nonnegative_p): Use new CALL_EXPR accessors and
1377         constructors.
1378         (fold_strip_sign_ops): Likewise.
1380 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
1381             Brooks Moses  <brooks.moses@codesourcery.com>
1382             Lee Millward  <lee.millward@codesourcery.com>
1384         * tree-dump.c (dequeue_and_dump) <CALL_EXPR>: Use new CALL_EXPR
1385         accessors and dump arguments explicitly.
1387         * tree-pretty-print.c (do_niy): Use TREE_OPERAND_LENGTH instead of
1388         TREE_CODE_LENGTH.
1389         (dump_generic_node): Use new CALL_EXPR accessors and walk arguments
1390         explicitly.
1391         (print_call_name): Use new CALL_EXPR accessors.
1393         * print-tree.c (print_node): Add case tcc_vl_exp.  Print
1394         CALL_EXPR arguments explicitly instead of as a list.  Use
1395         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1397         * tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors.
1398         (vrp_visit_stmt): Likewise.
1400         * tree-ssa-loop-im.c (outermost_invariant_loop_expr):  Make it
1401         know about tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of
1402         TREE_CODE_LENGTH.
1403         (force_move_till_expr): Likewise.
1405         * targhooks.c (default_external_stack_protect_fail): Use
1406         build_call_expr instead of build_function_call_expr.
1407         (default_hidden_stack_protect_fail): Likewise.
1409         * tree-complex.c (expand_complex_libcall): Use build_call_expr to
1410         build the call.
1412         * cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors
1413         and walk arguments explicitly.
1415         * tree-ssa-loop-niter.c (simplify_replace_tree): Use
1416         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1417         (expand_simple_operations): Likewise.
1418         (infer_loop_bounds_from_array): Use new CALL_EXPR accessors.
1420         * gengtype.c (adjust_field_tree_exp): Use TREE_OPERAND_LENGTH instead
1421         of TREE_CODE_LENGTH.
1422         (walk_type): Tweak walking of arrays not to blow up on CALL_EXPRs.
1424         * optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH
1425         instead of TREE_CODE_LENGTH.
1427         * value_prof.c (tree_ic): Use new CALL_EXPR accessors.
1428         (tree_ic_transform): Likewise.
1429         (interesting_stringop_to_profile_p): Pass entire CALL_EXPR as
1430         parameter instead of arglist.  Fix callers.
1431         (tree_stringop_fixed_value): Use new CALL_EXPR accessors.
1432         (tree_stringops_transform): Likewise.
1433         (tree_indirect_call_to_profile): Likewise.
1434         (tree_stringops_values_to_profile): Likewise.
1436         * tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator.
1437         (eliminate_tail_call): Likewise.
1439         * ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors.
1441         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
1442         Use TREE_OPERAND_LENGTH and generalize to handle any number of
1443         operands.
1444         (instantiate_parameters_1): Can't handle tcc_vl_exp here.
1446         * omp-low.c (build_omp_barrier): Use build_call_expr.
1447         (lower_rec_input_clauses): Likewise.
1448         (lower_reduction_clauses): Likewise.
1449         (expand_parallel_call): Likewise.
1450         (maybe_catch_exception): Likewise.
1451         (expand_omp_for_generic): Likewise.
1452         (expand_omp_for_static_nochunk): Likewise.
1453         (expand_omp_sections): Likewise.
1454         (lower_omp_single_simple): Likewise.
1455         (lower_omp_single_copy): Likewise.
1456         (lower_omp_master): Likewise.
1457         (lower_omp_ordered): Likewise.
1458         (lower_omp_critical): Likewise.
1460         * ipa-reference.c (check-call): Use new CALL_EXPR iterator.
1461         (scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR.
1463         * tree-gimple.c (is_gimple_call_addr): Fix doc.
1464         (recalculate_side_effects): Use TREE_OPERAND_LENGTH instead of
1465         TREE_CODE_LENGTH.  Add tcc_vl_exp case.
1467         * tree-chrec.c (chrec_contains_symbols): Use TREE_OPERAND_LENGTH
1468         and generalize to handle any number of operands.
1469         (chrec_contains_undetermined): Likewise.
1470         (tree_contains_chrecs): Likewise.
1471         (evolution_function_is_invariant_rec_p): Use TREE_OPERAND_LENGTH.
1473         * cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors.
1475         * tree-ssa-ccp.c (ccp_fold): Use new CALL_EXPR accessors.  Use
1476         fold_call_expr instead of fold_builtin.
1477         (ccp_fold_builtin): Likewise.  Update calls into builtins.c to
1478         match declarations there.
1479         (fold_stmt): Use new CALL_EXPR constructor and accessors.  Doc
1480         updates.
1482         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use
1483         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1485         * ipa-pure-const.c (check_call): Use new CALL_EXPR accessors.
1486         (scan_function): Add case tcc_vl_exp for CALL_EXPR.
1488         * tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR
1489         accessors.
1491         * tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr.
1492         (execute_cse_sincos): Use new CALL_EXPR accessors.
1494         * tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator.
1496         * gimple-low.c (lower_function_body): Use build_call_expr.
1497         (lower_builtin_setjmp): Likewise.
1499         * expr.c (emit_block_move_via_libcall): Use build_call_expr.
1500         (set_storage_via_libcall): Likewise.
1501         (safe_from_p): Add tcc_vl_exp case.  Use TREE_OPERAND_LENGTH
1502         instead of TREE_CODE_LENGTH.
1503         (expand_expr_real_1): Use new CALL_EXPR accessors.
1505         * tree-browser.c (store_child_info): Use TREE_OPERAND_LENGTH and
1506         generalize to handle any number of operands.
1507         (TB_parent_eq): Likewise.
1509         * predict.c (expr_expected_value): Use new CALL_EXPR accessors.
1510         (strip_builtin_expect): Likewise.
1512         * function.c (gimplify_parameters): Use build_call_expr.
1514         * tree-vectorizer.c (vect_is_simple_reduction): Use TREE_OPERAND_LENGTH
1515         instead of TREE_CODE_LENGTH.
1517         * ipa-type-escape.c (check_call): Use new CALL_EXPR iterators.
1518         (scan_for_refs): Add case tcc_vl_exp for CALL_EXPR.
1520         * tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR
1521         iterators.
1523         * gimplify.c (build_stack_save_restore): Use build_call_expr.
1524         (gimplify_decl_expr): Likewise.
1525         (gimplify_call_expr): Use fold_call_expr instead of fold_builtin.
1526         Use new CALL_EXPR iterators.
1527         (gimplify_modify_expr_to_memcpy): Use build_call_expr.
1528         (gimplify_modify_expr_to_memset): Likewise.
1529         (gimplify_variable_sized_compare): Likewise.
1530         (gimplify_omp_atomic_fetch_op): Likewise.
1531         (gimplify_omp_atomic_pipeline): Likewise.
1532         (gimplify_omp_atomic_mutex): Likewise.
1533         (gimplify_function_tree): Likewise.
1535         * calls.c (alloca_call_p): Use new CALL_EXPR accessors.
1536         (call_expr_flags): Likewise.
1537         (expand_call): Likewise.
1539         * except.c (expand_builtin_eh_return_data_regno): Pass entire
1540         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
1541         accessors.
1543         * coverage.c (create_coverage): Use build_call_expr.
1545         * tree-ssa-pre.c (expression_node_pool, list_node_pool): Delete.
1546         (temp_call_expr_obstack): New.
1547         (pool_copy_list): Delete.
1548         (temp_copy_call_expr): New.
1549         (phi_translate): Add case tcc_vl_exp for CALL_EXPR.  Use new
1550         CALL_EXPR accessors.  Get rid of special goo for copying argument
1551         lists and use temp_copy_call_expr instead.
1552         (valid_in_sets): Add case tcc_vl_exp for CALL_EXPR.  Use new
1553         CALL_EXPR accessors.
1554         (create_expression_by_pieces): Likewise.  Use build_call_array
1555         to construct the result instead of fold_build3.
1556         (create_value_expr_from): Add tcc_vl_exp.  Delete special goo for
1557         dealing with argument lists.
1558         (init_pre): Remove references to expression_node_pool and
1559         list_node_pool.  Init temp_call_expr_obstack instead.
1560         (fini_pre): Remove references to expression_node_pool and
1561         list_node_pool.
1563         * tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors
1564         and walk arguments explicitly instead of as a list.
1566         * tree-mudflap.c (mf_build_check_statement_for): Use build_call_expr.
1567         (mx_register_decls): Likewise.
1568         (mudflap_register_call): Likewise.
1569         (mudflap_finish_file): Likewise.
1571         * ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors.
1572         (ipa_callsite_compute_param): Likewise.
1574         * tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR
1575         accessors and constructor.
1577         * tree-nested.c (convert_nl_goto_reference): Use new CALL_EXPR
1578         accessors and constructor.
1579         (convert_tramp_reference): Likewise.
1580         (convert_call_expr): Likewise.
1581         (finalize_nesting_tree_1): Likewise.
1583         * tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR
1584         accessors.
1586         * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr.
1588         * tree-inline.c (initialize_inlined_parameters): Pass entire
1589         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
1590         accessors.
1591         (estimate_num_insns_1): Use new CALL_EXPR accessors.
1592         (expand_call_inline): Tidy up call to initialize_inlined_parameters.
1594         * tree-vect-transform.c (vect_create_epilog_for_reduction):  Use
1595         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1596         (vectorizable_reduction): Likewise.
1597         (vectorizable_call): Use new CALL_EXPR iterators.
1598         (vectorizable_conversion): Use build_call_expr.
1599         (vectorizable_operation): Use TREE_OPERAND_LENGTH.
1600         (vect_gen_widened_results_half): Use build_call_expr.
1601         (vect_setup_realignment): Likewise.
1602         (vectorizable_live_operation): Use TREE_OPERAND_LENGTH.
1604         * tree-object-size.c (alloc_object_size): Use new CALL_EXPR accessors.
1605         (pass_through_call): Likewise.
1606         (compute_object_sizes): Likewise.  Use fold_call_expr instead of
1607         fold_builtin.
1609         * tree-profile.c (tree_gen_interval_profiler): Use build_call_expr.
1610         (tree_gen_pow2_profiler): Likewise.
1611         (tree_gen_one_value_profiler): Likewise.
1612         (tree_gen_ic_func_profiler): Likewise.
1613         (tree_gen_average_profiler): Likewise.
1614         (tree_gen_ior_profiler): Likewise.
1616         * tree-ssa-structalias.c (get_constraint_for): Add case tcc_vl_exp.
1617         (find_func_aliases): Use new CALL_EXPR accessors.  Add case
1618         tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1620         * tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead
1621         of TREE_CODE_LENGTH.
1623         * stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead
1624         of TREE_CODE_LENGTH.
1626         * convert.c (convert_to_real): Use new CALL_EXPR accessors and
1627         constructor.
1628         (convert_to_integer): Likewise.
1630         * tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR
1631         accessors.
1633 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
1634             Brooks Moses  <brooks.moses@codesourcery.com>
1635             Lee Millward  <lee.millward@codesourcery.com>
1637         * config/alpha/alpha.c (alpha_expand_builtin): Use new CALL_EXPR
1638         accessors.
1639         * config/frv/frv.c (frv_expand_builtin): Likewise.
1640         * config/s390/s390.c (s390_expand_builtin): Likewise.
1642         * config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr.
1643         (sparc_expand_builtin): Use new CALL_EXPR accessors.
1645         * config/i386/i386.c (ix86_function_ok_for_sibcall): Likewise.
1646         (ix86_expand_binop_builtin): Pass entire CALL_EXPR as parameter
1647         instead of arglist.  Use new CALL_EXPR accessors on it.  Fix callers.
1648         (ix86_expand_store_builtin): Likewise.
1649         (ix86_expand_unop_builtin): Likewise.
1650         (ix86_expand_unop1_builtin): Likewise.
1651         (ix86_expand_sse_compare): Likewise.
1652         (ix86_expand_sse_comi): Likewise.
1653         (ix86_expand_vec_init_builtin): Likewise.
1654         (ix86_expand_vec_ext_builtin): Likewise.
1655         (ix86_expand_vec_set_builtin): Likewise.
1656         (ix86_expand_builtin): Use new CALL_EXPR accessors.
1658         * config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors.
1659         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
1661         * config/iq2000/iq2000.c (expand_one_builtin): Pass entire CALL_EXPR
1662         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
1663         (iq2000_expand_builtin): Use new CALL_EXPR accessors.
1665         * config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Use
1666         build_call_expr.
1667         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
1668         (rs6000_expand_unop_builtin): Pass entire CALL_EXPR instead of
1669         arglist.  Use new CALL_EXPR accessors.  Fix callers.
1670         (altivec_expand_abs_builtin): Likewise.
1671         (rs6000_expand_binop_builtin): Likewise.
1672         (altivec_expand_predicate_builtin): Likewise.
1673         (altivec_expand_lv_builtin): Likewise.
1674         (spe_expand_stv_builtin): Likewise.
1675         (altivec_expand_stv_builtin): Likewise.
1676         (rs6000_expand_ternop_builtin): Likewise.
1677         (altivec_expand_ld_builtin): Use new CALL_EXPR accessors.
1678         (altivec_expand_st_builtin): Likewise.
1679         (altivec_expand_dst_builtin): Likewise.
1680         (altivec_expand_vec_init_builtin): Pass entire CALL_EXPR instead of
1681         arglist.  Use new CALL_EXPR accessors.  Fix callers.
1682         (altivec_expand_vec_set_builtin): Likewise.
1683         (altivec_expand_vec_ext_builtin): Likewise.
1684         (altivec_expand_builtin): Use new CALL_EXPR accessors.
1685         (spe_expand_builtin): Likewise.
1686         (spe_expand_predicate_builtin): Pass entire CALL_EXPR instead of
1687         arglist.  Use new CALL_EXPR accessors.  Fix callers.
1688         (spe_expand_evsel_builtin): Likewise.
1689         (rs6000_expand_builtin): Use new CALL_EXPR accessors.  VCFUX and
1690         FCFSX cases must construct whole new CALL_EXPR, not just arglist.
1692         * config/arm/arm.c (arm_expand_binop_builtin): Pass entire CALL_EXPR
1693         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
1694         (arm_expand_unop_builtin): Likewise.
1695         (arm_expand_builtin): Use new CALL_EXPR accessors.
1697         * config/mips/mips.c (mips_expand_builtin):  Use new CALL_EXPR
1698         accessors.
1700         * config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire CALL_EXPR
1701         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
1702         (bfin_expand_unop_builtin): Likewise.
1703         (bfin_expand_builtin): Use new CALL_EXPR accessors.
1705 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
1706             Brooks Moses  <brooks.moses@codesourcery.com>
1707             Lee Millward  <lee.millward@codesourcery.com>
1709         * c-semantics.c (build_stmt): Add internal diagnostic check.
1711         * c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR
1712         accessors.  Print arguments explicitly instead of as a list.
1714         * c-typeck.c (build_function_call): Use new CALL_EXPR constructors.
1716         * c-omp.c (c_finish_omp_barrier): Use build_call_expr.
1717         (c_finish_omp_flish): Likewise.
1719         * c-common.c (verify_tree): Use new CALL_EXPR accessors.  Traverse
1720         arguments explicitly instead of as a list.  Use TREE_OPERAND_LENGTH
1721         instead of TREE_CODE_LENGTH.
1722         (check_function_arguments_recurse): Use new CALL_EXPR accessors.
1723         (c_warn_unused_result): Likewise.
1725 2007-02-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1727         PR c/26494
1728         * doc/invoke.texi (Warning Options): Remove
1729         -Werror-implicit-function-declaration.
1730         (Wimplicit-function-declaration): Update description.
1731         * opts.c (common_handle_option): Move handling of -Werror=* to...
1732         (enable_warning_as_error): ...here.
1733         * opts.h (enable_warning_as_error): Declare.
1734         * c-decl.c (implicit_decl_warning): Unless
1735         -Wno-implicit-function-declaration is given, emit a pedwarn if
1736         -std=c99 or emit a warning if -Wimplicit-function-declaration.
1737         * c.opt (Wimplicit-function-declaration): Replace
1738         mesg_implicit_function_declaration with
1739         warn_implicit_function_declaration.
1740         * c-opts.c (c_common_handle_option):
1741         -Werror-implicit-function-declaration is exactly equal as
1742         -Werror=implicit-function-declaration.
1743         (set_Wimplicit): Replace mesg_implicit_function_declaration with
1744         warn_implicit_function_declaration.
1745         (c_common_post_options): -Wimplict-function-declaration is enabled
1746         by default by -std=c99, otherwise is disabled by default.
1747         * c-objc-common.c (c_objc_common_init): Remove flawed logic.
1749 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
1751         * gimplify.c (gimplify_modify_expr): During gimplification, attach a
1752         DECL on the rhs to a DECL on the lhs for debug info purposes if the
1753         former is ignored but not the latter.
1755 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
1757         * expr.c (expand_expr_real_1) <normal_inner_ref>: If a temporary
1758         is made and the reference doesn't use the alias set of its type,
1759         do not create the temporary using that type.
1761 2007-02-15  Aldy Hernandez  <aldyh@redhat.com>
1763         * jump.c: Remove prototypes for delete_computation and
1764         delete_prior_computation.
1766 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
1768         * jump.c (get_label_after): Delete.
1769         (get_label_before, delete_computation, delete_jump,
1770         delete_prior_computation, follow_jumps): Move...
1771         * reorg.c (delete_computation, delete_prior_computation): ... here...
1772         (get_label_before, delete_jump): ... making these static ...
1773         (follow_jumps): ... and simplifying this since it only runs after
1774         reload.
1775         * rtl.h (get_label_after, get_label_before, delete_jump,
1776         follow_jumps): Delete prototypes.
1778 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
1780         * caller-save.c (save_call_clobbered_regs): Do not process sibcalls.
1782 2007-02-15  Nick Clifton  <nickc@redhat.com>
1784         * varasm.c (default_asm_output_anchor): Prepend * to . symbol in
1785         order to prevent it from being munged by the target.
1787 2007-02-15  Uros Bizjak  <ubizjak@gmail.com>
1789         * config/i386/i386.md: Remove misleading comment.
1791 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1793         * config/frv/frv.md (reload_incc, reload_outcc, reload_incc_uns,
1794         reload_outcc_uns, reload_incc_nz, reload_outcc_nz): Remove
1795         invalid patterns.
1797 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1799         * tree-sra.c (instantiate_missing_elements): Canonicalize
1800         bit-field types.
1801         (sra_build_assignment): New.
1802         (generate_copy_inout, generate_element_copy,
1803         generate_element_zero, generate_one_element_init): Use it.
1805 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1807         * tree-sra.c (instantiate_missing_elements): Canonicalize
1808         bit-field types.
1809         (sra_build_assignment): New.
1810         (generate_copy_inout, generate_element_copy,
1811         generate_element_zero, generate_one_element_init): Use it.
1813 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1815         * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
1816         limbo die nodes.
1818 2007-02-14  Joseph Myers  <joseph@codesourcery.com>
1820         * emit-rtl.c (set_mem_attributes_minus_bitpos): Treat complex
1821         types as aggregates not scalars.
1822         * function.c (assign_stack_temp_for_type): Likewise.
1824 2007-02-14  Roger Sayle  <roger@eyesopen.com>
1825             Zdenek Dvorak  <dvorakz@suse.cz>
1827         * tree-dump.c (dump_switch_p_1): Require exact match of the option
1828         name.
1830 2007-02-14  Zdenek Dvorak  <dvorakz@suse.cz>
1832         * passes.c (next_pass_1): Clear the next field of the copied
1833         pass structure.
1835 2007-02-14  Richard Henderson  <rth@redhat.com>
1837         * tree-sra.c (early_sra): New.
1838         (decl_can_be_decomposed_p): Deny va_list if early_sra.
1839         (tree_sra_early, pass_sra_early): New.
1840         * tree-pass.h (pass_sra_early): Declare.
1841         * passes.c (init_optimization_passes): Use it.
1843 2007-02-14  Richard Guenther  <rguenther@suse.de>
1845         * flags.h (issue_strict_overflow_warning): Convert to a macro.
1847 2007-02-14  Dorit Nuzman  <dorit@il.ibm.com>
1849          PR tree-optimization/30771
1850         * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse
1851         also phi nodes.
1852         (vect_analyze_operations): Induction phis can now be marked as
1853         used_in_loop.
1854         (vect_mark_stmts_to_be_vectorized): No special treatment for phis.
1855         Update documentation accordingly.
1857 2007-02-14  Nick Clifton  <nickc@redhat.com>
1859         * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at
1860         most 3 arguments are supported.
1861         (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description.
1863 2007-02-13  Seongbae Park <seongbae.park@gmail.com>
1865         * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor):
1866         Ensure dst->current is valid.
1868 2007-02-13  Paul Brook  <paul@codesourcery.com>
1870         * config.gcc: Add arm*-*-uclinux-*eabi.
1871         * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define.
1872         (SUBTARGET_EXTRA_LINK_SPEC): Define.
1873         (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling.
1874         (LINK_GCC_C_SEQUENCE_SPEC): Undef.
1875         (LINK_SPEC): Define.
1876         (LIB_SPEC): Define.
1877         * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC
1878         register.
1879         * config/arm/uclinux-eabi.h: New file.
1880         * config/arm/linux-eabi.h (WCHAR_TYPE): Remove.
1881         * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS
1882         based targets.
1884 2007-02-13  Ian Lance Taylor  <iant@google.com>
1886         * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
1887         * flags.h (warn_strict_overflow): Declare.
1888         (enum warn_strict_overflow_code): Define.
1889         (issue_strict_overflow_warning): New static inline function.
1890         * opts.c (warn_strict_overflow): New variable.
1891         (common_handle_option): Handle OPT_Wstrict_overflow and
1892         OPT_Wstrict_overflow_.
1893         * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
1894         OPT_Wall.
1895         * fold-const.c: Include intl.h.
1896         (fold_deferring_overflow_warnings): New static variable.
1897         (fold_deferred_overflow_warning): New static variable.
1898         (fold_deferred_overflow_code): New static variable.
1899         (fold_defer_overflow_warnings): New function.
1900         (fold_undefer_overflow_warnings): New function.
1901         (fold_undefer_and_ignore_overflow_warnings): New function.
1902         (fold_deferring_overflow_warnings_p): New function.
1903         (fold_overflow_warning): New static function.
1904         (make_range): Add strict_overflow_p parameter.  Change all
1905         callers.
1906         (extract_muldiv, extract_muldiv_1): Likewise.
1907         (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
1908         tree_expr_nonnegative_p.
1909         (fold_negate_expr): Call fold_overflow_warning.
1910         (fold_range_test): Likewise.
1911         (fold_comparison): Likewise.
1912         (fold_binary): Likewise.  Call tree_expr_nonnegative_warnv_p
1913         instead of tree_expr_nonnegative_p.
1914         (tree_expr_nonnegative_warnv_p): Rename from
1915         tree_expr_nonnegative_p, add strict_overflow_p parameter.
1916         (tree_expr_nonnegative_p): New function.
1917         (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
1918         strict_overflow_p parameter.
1919         (tree_expr_nonzero_p): New function.
1920         * passes.c (verify_interpass_invariants): New static function.
1921         (execute_one_pass): Call it.
1922         * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
1923         warnings.
1924         (number_of_iterations_exit, loop_niter_by_eval): Likewise.
1925         (estimate_numbers_of_iterations): Likewise.
1926         (scev_probably_wraps_p): Likewise.
1927         * tree-ssa-ccp.c: Include "toplev.h".
1928         (evaluate_stmt): Defer fold overflow warnings until we know we are
1929         going to optimize.
1930         (struct fold_stmt_r_data): Add stmt field.
1931         (fold_stmt_r): Defer fold overflow warnings until we know we
1932         optimized.
1933         (fold_stmt): Initialize stmt field of fold_stmt_r_data.
1934         (fold_stmt_inplace): Likewise.
1935         * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
1936         (cleanup_control_expr_graph): Defer fold overflow warnings until
1937         we know we are going to optimize.
1938         * tree-cfg.c (fold_cond_expr_cond): Likewise.
1939         * tree-ssa-threadedge.c (simplify_control_stmt_condition):
1940         Likewise.
1941         * tree-vrp.c (vrp_expr_computes_nonnegative): Call
1942         tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
1943         * tree-ssa-loop-manip.c (create_iv): Likewise.
1944         * c-typeck.c (build_conditional_expr): Likewise.
1945         (build_binary_op): Likewise.
1946         * tree-vrp.c (vrp_expr_computes_nonzero): Call
1947         tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
1948         (extract_range_from_unary_expr): Likewise.
1949         * simplify-rtx.c (simplify_const_relational_operation): Warn when
1950         assuming that signed overflow does not occur.
1951         * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
1952         * tree.h (tree_expr_nonnegative_warnv_p): Declare.
1953         (fold_defer_overflow_warnings): Declare.
1954         (fold_undefer_overflow_warnings): Declare.
1955         (fold_undefer_and_ignore_overflow_warnings): Declare.
1956         (fold_deferring_overflow_warnings_p): Declare.
1957         (tree_expr_nonzero_warnv_p): Declare.
1958         * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
1959         of warning options.
1960         (Warning Options): Document -Wstrict-overflow.
1961         * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
1962         (tree-ssa-ccp.o): Likewise.
1963         (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
1964         (fold-const.o): Depend on intl.h.
1966 2007-02-13  Ian Lance Taylor  <iant@google.com>
1968         PR middle-end/30751
1969         * lower-subreg.c (resolve_simple_move): Decompose subregs in
1970         addresses.
1972 2007-02-13  Stuart Hastings  <stuart@apple.com>
1974         * gcc/config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
1976 2007-02-13  Richard Henderson  <rth@redhat.com>
1978         * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
1979         handled_component_p before looking for the indirect_ref.
1981 2007-02-13  Richard Henderson  <rth@redhat.com>
1983         * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
1984         remove flags clobber.
1985         (bswapsi2): New expander, emit code for !TARGET_BSWAP.
1986         (bswaphi_lowpart): New.
1987         (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
1988         remove TARGET_BSWAP test.  Delete expander of the same name.
1990         * optabs.c (widen_bswap, expand_doubleword_bswap): New.
1991         (expand_unop): Use them.
1993 2007-02-13  Uros Bizjak  <ubizjak@gmail.com>
1995         * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1,
1996         *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
1997         *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
1998         *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
1999         *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
2000         *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
2001         *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
2002         assembler dialect choice from asm templates.
2004 2007-02-12  Richard Henderson  <rth@redhat.com>
2006         * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
2007         (fixuns_trunc<SSEMODEF>si2): Use it.
2008         * config/i386/sse.md (vec_setv4sf_0): Export.
2009         * config/i386/i386.c (ix86_build_const_vector): Export.
2010         (ix86_split_convert_uns_si_sse): Rename from
2011         ix86_expand_convert_uns_si_sse and rewrite as a splitter.
2012         * config/i386/i386-protos.h: Update.
2014 2007-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2016         PR c/29521
2017         * c-typeck.c (c_finish_return): Improve warning message.
2019 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2021         * alias.c (find_symbolic_term): Delete unused function.
2023 2007-02-12  Uros Bizjak  <ubizjak@gmail.com>
2025         * config/i386/i386.md (paritydi2, paritysi2): New expanders.
2026         (paritydi2_cmp, paritydi2_cmp): New insn and split patterns.
2027         (*parityhi2_cmp, *parityqi2_cmp): New insn patterns.
2029 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
2031         * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
2032         * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
2033         the function, temporarily point the debug interface to the null one.
2035 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
2037         * dwarf2out.c (round_up_to_align): New static function.
2038         (field_byte_offset): Use it to round the offset.
2040 2007-02-12  Richard Henderson  <rth@redhat.com>
2042         * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
2043         (inswl_const): Export.
2045 2007-02-12  Richard Henderson  <rth@redhat.com>
2047         * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
2048         result mode of the libcall, convert back to outmode.
2050 2007-02-12  Roger Sayle  <roger@eyesopen.com>
2052         * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
2053         (bswapdi2): New define_expand to implement 32-bit implementation.
2055 2007-02-12  Nick Clifton  <nickc@redhat.com>
2057         * doc/invoke.texi (Overall Options): Document --help=.
2058         * gcc.c (target_help_flag): Rename to print_subprocess_flag.
2059         (cc1_options): Pass --help= on to cc1.
2060         (display_help): Add description of --help=.
2061         (process_command): Add code to handle --help=.  Allow translated
2062         --help and --target-help switches to be passed on to compiler
2063         sub-process.
2064         (main): Remove unused if statement.
2065         * opts.c (columns): Remove.
2066         (LEFT_COLUMN): Define.
2067         (wrap_help): Add columns argument.
2068         (print_filtered_help): Change parameters to be an include bitmask,
2069         an exclude bitmask, an any bitmask and the column width.  Move the
2070         code to display the params list here.  Add code to display the
2071         status of options rather than their descriptions if the quiet flag
2072         is not active.
2073         (print_specific_help): Change parameters to be an include bitmask,
2074         an exclude bitmask and an any bitmask.  Move code to look up the
2075         column width here.  Decide upon the title for an options listing.
2076         (common_handle_options): Add code to handle --help=.  Adapt code
2077         for --help and --target-help to use the revised form of the
2078         print_specific_help function.
2079         (print_help): Delete.
2080         (print_param_help): Delete.
2081         (print_switch): Delete.
2082         * opts.h (cl_lang_count): Add prototype.
2083         (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
2084         CL_MAX_OPTION_CLASS): New defines.
2085         * optc-gen.awk: Add construction of cl_lang_count.
2086         * c.opt: Add Warning attribute to warning options and Optimization
2087         attribute to optimization options.
2088         * common.opt: Likewise.
2089         Add --help=.
2090         Add -fhelp and -ftarget-help as aliases for the transformed --help
2091         and --target-help options.
2092         * opt-functions.awk: Add code to handle Warning and Optimization
2093         attributes.
2095 2007-02-12  Richard Henderson  <rth@redhat.com>
2097         * config/alpha/constraints.md: New file.
2098         * config/alpha/alpha.c: Include tm-constrs.h.
2099         (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
2100         alpha_extra_constraint): Remove.
2101         (alpha_emit_conditional_branch): Use satisfies_constraint_*.
2102         * config/alpha/alpha-protos.h: Update.
2103         * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
2104         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
2105         (EXTRA_CONSTRAINT): Remove.
2106         * config/alpha/alpha.md: Include constraints.md.
2107         (adddi splitter): Use satisfies_constraint_*.
2108         * config/alpha/predicates.md (add_operand): Likewise.
2109         (sext_add_operand, addition_operation): Likewise.
2111 2007-02-12  Dorit Nuzman  <dorit@il.ibm.com>
2113         PR tree-optimization/29145
2114         * tree-data-ref.c (base_addr_differ_p): Make us more conservative
2115         in our handling of restrict qualified pointers.
2117 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2119         PR middle-end/7651
2120         * doc/invoke.texi (Wunused-value): Update description.
2121         (Wextra): Delete item.
2122         * opts.c (set_Wextra): Don't use the value of Wextra to set the
2123         value of Wunused-value.
2124         * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
2125         (c_finish_stmt_expr): Don't check extra_warnings.
2126         (emit_side_effect_warnings): The caller is responsible to check
2127         warn_unused_value.
2129 2007-02-11  Roger Sayle  <roger@eyesopen.com>
2130             Matt Thomas  <matt@3am-software.com>
2132         * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
2134 2007-02-11  Roger Sayle  <roger@eyesopen.com>
2136         * simplify-rtx.c (simplify_relational_operation_1): Optimize
2137         comparisons of POPCOUNT against zero.
2138         (simplify_const_relational_operation): Likewise.
2140 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2142         * doc/invoke.texi (Wextra): Delete outdated paragraph.
2144 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2146         * dwarf2out.c (root_type): Delete unused function.
2148 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2150         * genattrtab.c (contained_in_p): Delete unused function.
2151         (write_expr_attr_cache): Likewise.
2153 2007-02-11  Jan Hubicka  <jh@suse.cz>
2155         * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
2156         previous patch.
2158 2007-02-11  Steven Bosscher  <steven@gcc.gnu.org>
2160         * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
2161         to add the REG_EQ* note.
2162         * see.c (see_merge_one_use_extension): Likewise.
2163         * local-alloc.c (update_equiv_regs): Likewise.  Also don't
2164         turn REG_EQUAL notes into REG_EQUIV notes if the target
2165         register may have more than one set.
2166         * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
2167         * gcse.c (try_replace_reg): Likewise.
2168         * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
2169         * calls.c (fixup_tail_calls): Likewise.  Abort if there is
2170         more than one REG_EQUIV note.
2171         * reload1.c (gen_reload): Use set_unique_reg_note.
2173 2007-02-11  Uros Bizjak  <ubizjak@gmail.com>
2175         * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
2176         (ix86_builtin_conversion): New function.
2178 2007-02-06  Mark Mitchell  <mark@codesourcery.com>
2180         PR target/29487
2181         * tree.h (DECL_REPLACEABLE_P): New macro.
2182         * except.c (set_nothrow_function_flags): Likewise.
2184 2007-02-11  Tehila Meyzels  <tehila@il.ibm.com>
2185             Ira Rosen  <irar@il.ibm.com>
2186             Dorit Nuzman  <dorit@il.ibm.com>
2188         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
2189         * targhooks.c (default_builtin_vectorized_conversion): New.
2190         * targhooks.h (default_builtin_vectorized_function): New declaration.
2191         * target.h (struct vectorize): Add builtin_conversion field.
2192         * tree-vectorizer.h (type_conversion_vec_info_type): New enum
2193         stmt_vec_info_type value.
2194         (vectorizable_conversion): New declaration.
2195         * tree-vect-analyze.c (vect_analyze_operations): Add
2196         vectorizable_conversion call.
2197         * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
2198         * tree-vect-transform.c (vectorizable_conversion): New function.
2199         (vect_transform_stmt): Add case for type_conversion_vec_info_type.
2200         * tree-vect-generic.c (expand_vector_operations_1): Consider correct
2201         mode.
2202         * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
2203         (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
2204         (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX
2205         or ALTIVEC_BUILTIN_VCFSX.
2207 2007-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2209         PR target/30634
2210         * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
2211         CONST_DOUBLE and operand 0 is a hard register.
2212         (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
2213         memory.  Fail if operand 1 is a non-zero CONST_INT and operand 0
2214         is a hard floating-point register.
2216 2007-02-10  Richard Henderson  <rth@redhat.com>
2217             Jakub Jelinek  <jakub@redhat.com>
2218             Alexandre Oliva  <aoliva@redhat.com>
2220         * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
2221         * builtin-types.def (BT_WORD): Make unsigned.
2222         (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
2223         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
2224         (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
2225         * c-decl.c (grokdeclarator): Don't error if !have_tls.
2226         * c-parser.c (c_parser_omp_threadprivate): Likewise.
2227         * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
2228         emulated tls.
2229         * expr.c (emutls_var_address): New.
2230         (expand_expr_real_1): Expand emulated tls.
2231         (expand_expr_addr_expr_1): Likewise.
2232         * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
2233         * output.h (emutls_finish): Declare.
2234         * toplev.c (compile_file): Call it.
2235         * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
2236         address before wrapping in CONST.
2237         * varasm.c (emutls_htab, emutls_object_type): New.
2238         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
2239         (get_emutls_object_name, get_emutls_object_type): New.
2240         (get_emutls_init_templ_addr, emutls_decl): New.
2241         (emutls_common_1, emutls_finish): New.
2242         (assemble_variable): When emulating tls, swap decls; generate
2243         constructor for the emutls objects.
2244         (do_assemble_alias): When emulating tls, swap decl and target name.
2245         (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
2246         for emulated tls.
2247         * varpool.c (decide_is_variable_needed): Look at force_output.
2248         Recurse for emulated tls.
2249         (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
2250         with decide_is_variable_needed.
2251         * emutls.c: New file.
2252         * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
2253         tls_object for real tls.
2255 2007-02-10  Kaz Kojima  <kkojima@gcc.gnu.org>
2257         PR rtl-optimization/29599
2258         * reload1.c (eliminate_regs_in_insn): Take the destination
2259         mode into account when computing the offset.
2261 2007-02-09  Stuart Hastings  <stuart@apple.com>
2262             Richard Henderson  <rth@redhat.com>
2264         * gcc/config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
2265         * gcc/config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
2266         * gcc/config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
2267         fixuns_truncdfhi2): New.
2268         (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
2269         (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
2270         (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
2271         (floatunssidf2): Allow nonimmediate source.
2272         * gcc/config/i386/sse.md (movdi_to_sse): New.
2273         (vec_concatv2di): Drop '*'.
2274         * gcc/config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
2275         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
2276         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
2277         New.
2278         * gcc/config/i386/i386.c (ix86_expand_convert_uns_si_sse,
2279         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
2280         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
2281         ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
2282         (ix86_build_signbit_mask): Fix decl of v, refactor to call
2283         ix86_build_const_vector.
2284         (x86_emit_floatuns): Rewrite.
2286 2007-02-10  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2288         * genautomata.c (longest_path_length): Delete unused function.
2289         (struct state): Delete unused longest_path_length.
2290         (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
2291         (get_free_state): Delete unused.
2293 2007-02-09  Jan Hubicka  <jh@suse.cz>
2295         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
2296         * doc/invoke.texi (inline-unit-growth): Update default value.
2298         * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
2299         * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
2300         (rebuild_cgraph_edges): Likewise.
2301         * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
2302         (dump_cgraph_node): Dump frequencies.
2303         (cgraph_clone_edge): Add frequency scales.
2304         (cgraph_clone_node): Add freuqnecy.
2305         * cgraph.h (cgraph_edge): Add freuqnecy argument.
2306         (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
2307         (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
2308         * tree-pass.h (TODO_rebuild_frequencies): New constant.
2309         * cgraphunit.c (verify_cgraph_node): Verify frequencies.
2310         (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
2311         (save_inline_function_body): Likewise.
2312         * ipa-inline.c: inluce rtl.h
2313         (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
2314         (cgraph_edge_badness): Use frequencies.
2315         (cgraph_decide_recursive_inlining): Update clonning.
2316         (cgraph_decide_inlining_of_small_function): Dump frequency.
2317         * predict.c (estimate_bb_frequencies): Export.
2318         * predict.h (estimate_bb_frequencies): Declare.
2319         * tree-inline.c (copy_bb): Watch overflows.
2320         (expand_call_inline): Update call of cgraph_create_edge.
2321         (optimize_inline_calls): Use TODO flags to update frequnecies.
2322         * passes.h: Include predict.h
2323         (init_optimization_passes): Move profile ahead.
2324         (execute_function_todo): Handle TODO_rebuild_frequencies.
2326 2007-02-09  Roger Sayle  <roger@eyesopen.com>
2328         * config/alpha/alpha.c (emit_insxl): Force the first operand of
2329         the insbl or inswl pattern into a register.
2331 2007-02-09  Roger Sayle  <roger@eyesopen.com>
2333         * config/ia64/ia64.md (bswapdi2): New define_insn.
2335 2007-02-09  Richard Henderson  <rth@redhat.com>
2337         * config/i386/constraints.md (Ym): New constraint.
2338         * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
2339         (movdi_1_rex64): Split sse and xmm general register moves from
2340         memory move alternatives.  Use conditional register constraints.
2341         (movsf_1, movdf_integer): Likewise.
2342         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
2343         (movdf_integer_rex64): New.
2344         (pushsf_rex64): Fix output constraints.
2345         * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
2346         (sse2_stored): Likewise.
2347         (sse2_storeq_rex64): New.
2348         * config/i386/i386.c (x86_inter_unit_moves): Enable for not
2349         amd and not generic.
2350         (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
2351         for optimize_size.  Remove SF/DFmode hack.
2353 2007-02-09  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
2355         * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
2356         (bit_SSE4a): New.
2358 2007-02-09  Nathan Sidwell  <nathan@codesourcery.com>
2359             Richard Sandiford  <richard@codesourcery.com>
2361         * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
2362         (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
2363         (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
2364         m68k/t-mlib to tmake_file.
2365         (m68020-*-elf*, m68k-*-elf*): Likewise.  Add t-m68kbare as well.
2366         (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
2367         (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
2368         Allow it to be cf or m68k.  Set m68k_arch_family.  If that
2369         variable is not empty, add t-$m68k_arch_family to tmake_file.
2370         Add t-mlibs to tmake_file.
2371         * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
2372         * config/m68k/t-cf: New file.
2373         * config/m68k/t-m68k: Likewise.
2374         * config/m68k/t-mlibs: Likewise.
2375         * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
2376         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
2377         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
2378         * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
2379         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
2380         Delete.
2381         * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
2382         (INSTALL_LIBGCC): Delete.
2383         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
2384         * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
2385         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
2386         (M68K_MLIB_CPU): Define.
2387         * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
2388         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
2389         (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
2391 2007-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
2392             Richard Guenther  <rguenther@suse.de>
2394         PR middle-end/23361
2395         * fold-const.c (fold_comparison): Handle obfuscated comparisons
2396         against INT_MIN/INT_MAX.
2397         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
2398         file if a loop is removed.
2400 2007-02-09  Joseph Myers  <joseph@codesourcery.com>
2402         * calls.c (store_one_arg): Pass correct alignment to
2403         emit_push_insn for non-BLKmode values.
2404         * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
2405         unaligned stack slot via a suitably aligned slot.
2407 2007-02-08  DJ Delorie  <dj@redhat.com>
2409         * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
2410         warnings.
2411         (legal_subregs): Use unsigned char, make const.
2412         (m32c_illegal_subreg_p): Use ARRAY_SIZE.  Delete unused variables.
2414 2007-02-08  Paul Brook  <paul@codesourcery.com>
2416         * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
2417         special interworking needed.
2419 2007-02-08  Harsha Jagasia  <harsha.jagasia@amd.com>
2421         * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
2422         conditional to __SSE2__.
2423         (Entries below should have been added to first ChangeLog
2424         entry for amdfam10 dated 2007-02-05)
2425         * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
2426         defined.
2427         * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
2428         defined.
2429         * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
2430         defined.
2432 2007-02-08  DJ Delorie  <dj@redhat.com>
2434         * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
2435         * config/m32c/m32c.c (legal_subregs): New.
2436         (m32c_illegal_subreg_p): New.
2437         * config/m32c/predicates.md (m32c_any_operand): Use it to reject
2438         unsupported subregs of hard regs.
2440 2007-02-08  Jan Hubicka  <jh@suse.cz>
2442         * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
2443         the same one; always update histograms.
2445 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
2447         * passes.c (init_optimization_passes): Tidy comment.
2449 2007-02-08  Roger Sayle  <roger@eyesopen.com>
2451         * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
2452         strip zero_extend, bswap and rotates from POCOUNT's argument.
2453         <PARITY>: Likewise, we can strip not, bswap, sign_extend,
2454         zero_extend and rotates from PARITY's argument.
2455         <BSWAP>: A byte-swap followed by a byte-swap is an identity.
2456         (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
2457         of an integer constant at compile-time.
2459 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
2461         PR 30562
2462         * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
2463         Update all users.
2464         * tree-ssa-alias.c (compute_is_aliased): Remove.  Update all
2465         users.
2466         (init_alias_info):
2467         * tree-ssa-live.c (remove_unused_locals): Do not remove
2468         TREE_ADDRESSABLE variables.
2469         * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
2470         * tree-ssa-operands.c (add_virtual_operand): Remove argument
2471         FOR_CLOBBER.  Update all users.
2472         If VAR has an associated alias set, add a virtual operand for
2473         it if no alias is found to conflict with the memory reference.
2475 2007-02-07  Jan Hubicka  <jh@suse.cz>
2476             Robert Kidd <rkidd@crhc.uiuc.edu>
2478         * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
2480 2007-02-07  Ian Lance Taylor  <iant@google.com>
2482         * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
2484 2007-02-07  Roger Sayle  <roger@eyesopen.com>
2486         * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
2487         parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
2488         tablejumpdi, movsi_to_cr_one): Remove constraints from
2489         define_expand's match_operands.
2491 2007-02-07  Roger Sayle  <roger@eyesopen.com>
2493         * global.c (compute_regsets): Move declatation of "i" inside of
2494         #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
2496 2007-02-07  Jakub Jelinek  <jakub@redhat.com>
2498         PR c++/30703
2499         * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
2500         of INDIRECT_REF <RESULT_DECL>.
2502         * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
2504 2007-02-06  J"orn Rennecke  <joern.rennecke@arc.com>
2505             Kaz Kojima  <kkojima@gcc.gnu.org>
2507         PR target/29746
2508         * config/sh/sh.c (expand_cbranchdi4): Use scratch register
2509         properly.
2510         (sh_initialize_trampoline): Add parentheses to avoid a warning.
2512 2007-02-06  Zdenek Dvorak <dvorakz@suse.cz>
2514         * doc/loop.texi: Document possibility not to perform disambiguation
2515         of loops with multiple latches.
2516         * cfgloopmanip.c (alp_enum_p): Removed.
2517         (add_loop): Handle subloops.  Use get_loop_body_with_size.
2518         (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
2519         * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
2520         the new forwarder block.
2521         (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
2522         Handle the case latch is NULL.
2523         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg modifications
2524         when marking loop exits.
2525         * ifcvt.c (if_convert): Ditto.  Mark loop exits even if cfg cannot
2526         be modified.
2527         * loop-init.c (loop_optimizer_init): Do not modify cfg.  Call
2528         disambiguate_loops_with_multiple_latches.
2529         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
2530         before fix_loop_structure.
2531         * cfgloop.c: Include pointer-set.h and output.h.
2532         (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
2533         update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
2534         (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
2535         find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
2536         mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
2537         disambiguate_multiple_latches, get_loop_body_with_size,
2538         disambiguate_loops_with_multiple_latches): New functions.
2539         (flow_loop_dump): Dump multiple latch edges.
2540         (flow_loop_nodes_find): Handle loops with multiple latches.
2541         (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
2542         (glb_enum_p): Modified.
2543         (get_loop_body): Use get_loop_body_with_size.
2544         * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
2545         (AVOID_CFG_MODIFICATIONS): New constant.
2546         (disambiguate_loops_with_multiple_latches, add_loop,
2547         get_loop_body_with_size): Declare.
2548         * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
2550 2007-02-06  Seongbae Park <seongbae.park@gmail.com>
2552         PR inline-asm/28686
2553         * global.c (compute_regsets): New function.
2554         (global_alloc): Refactored ELIMINABLE_REGSET
2555         and NO_GLOBAL_ALLOC_REGS computation out.
2556         (rest_of_handle_global_alloc): Call compute_regsets()
2557         for non-optimizing case.
2559 2007-02-06  Richard Henderson  <rth@redhat.com>
2561         * config/i386/constraints.md (Y2): Rename from Y.
2562         (Yi): New constraint.
2563         * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
2564         pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
2565         zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
2566         (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
2567         truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
2568         fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
2569         floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed,
2570         absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
2571         fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
2572         * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
2573         mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
2574         vec_extractv2si_1): Change Y constraints to Y2.
2575         * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
2576         vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
2577         Change Y constraints to Y2.
2578         (sse2_loadld): Change Y constraints to x.
2580 2007-02-06  Roger Sayle  <roger@eyesopen.com>
2582         * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
2583         (parity<mode>2): New define_expand using rs6000_emit_parity.
2584         * config/rs6000/rs6000.c (rs6000_emit_popcount,
2585         rs6000_emit_parity): New functions.
2586         * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
2587         rs6000_emit_parity): Prototype here.
2589 2007-02-06  Ian Lance Taylor  <iant@google.com>
2591         * lower-subreg.c (simple_move_operand): Reject CONST.
2592         (resolve_clobber): Call validate_change rather than directly
2593         assigning to XEXP (pat, 0).
2595 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
2597         * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
2598         (tree-ssa-reassoc.o): Add pointer-set.h dependency.
2599         (tree-cfg.o): Remove hashtab.h dependency.
2601         * tree-ssa-loop-ivopts.c: Include pointer-set.h.
2602         (struct ivopts_data): Change niters to pointer_map_t.
2603         (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
2604         (niter_for_exit): Create pointer_map on demand.  Change for
2605         pointer_map API.
2606         (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
2607         (free_loop_data): Destroy data->niters if created and reset field.
2608         (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
2609         (tree_ssa_iv_optimize_loop): Check for presence of stale data.
2611         * tree-ssa-reassoc.c: Include pointer-set.h.
2612         (bb_rank): Change to long *.
2613         (operand_rank): Change to pointer_map_t.
2614         (find_operand_rank): Return long, -1 if not found.  Declare as inline.
2615         (insert_operand_rank): Accept long.
2616         (operand_entry_hash, operand_entry_eq): Remove.
2617         (get_rank): Return long.  Adjust for changes above.
2618         (init_reassoc): Change rank type to long.  Adjust creation of bb_rank
2619         and operand_rank.
2620         (fini_reassoc): Delete operand_rank with pointer_map_destroy.
2622         * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
2623         (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
2624         (insert_vi_for_tree): Rewrite for pointer_map API.  Assert argument
2625         is not NULL.
2626         (lookup_vi_for_tree): Rewrite for pointer_map API.  Return varinfo_t
2627         directly since it cannot be NULL.
2628         (get_vi_for_tree): Rewrite for pointer_map API.
2629         (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
2630         (init_alias_vars): Create vi_for_tree as pointer_map.
2631         (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
2633         * tree-cfg.c: Don't include hashtab.h.
2634         (edge_to_cases): Declare as pointer_map.
2635         (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
2636         Delete.
2637         (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
2638         (start_recording_case_labels): Create edge_to_cases as pointer_map.
2639         (end_recoding_case_labels): Cleanup edge_to_cases manually before
2640         destroying it.
2641         (record_switch_edge): Delete.
2642         (get_cases_for_edge): Adjust for pointer_map API, inline
2643         record_switch_edge (rewritten for new API), remove goto.
2645 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
2647         * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
2648         * tree-nested.c: Include pointer-set.h.
2649         (var_map_elt, var_map_eq, var_map_hash): Delete.
2650         (struct nesting_info): Remove GTY marker.  Change the two htab_t's
2651         to pointer_map_t's.
2652         (nesting_info_bitmap_obstack): New.
2653         (lookup_field_for_decl): Adjust for pointer_map API.
2654         (lookup_tramp_for_decl): Adjust for pointer_map API.
2655         (get_nonlocal_debug_decl): Adjust for pointer_map API.
2656         (get_local_debug_decl): Adjust for pointer_map API.
2657         (convert_nl_goto_reference): Adjust for pointer_map API.
2658         (convert_nl_goto_receiver): Adjust for pointer_map API.
2659         (create_nesting_tree): Create outside GGC space.  Create bitmap on
2660         the new obstack.  Create field_map and var_map as pointer_maps.
2661         (free_nesting_tree): Adjust for changes to create_nesting_tree.
2662         (root): Delete.
2663         (lower_nested_functions): Move root here, no need to NULL it.
2664         Initialize and release the obstack.
2666 2007-02-06  Paolo Bonzini  <bonzini@gnu.org>
2668         * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
2669         Remove prototypes and make them non-static.
2670         (struct tree_int_map): Remove.
2671         * tree.h (struct tree_int_map): Move here, turning TO into an
2672         unsigned int.
2673         (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
2675         * tree.h (TREE_COMPLEXITY): Remove.
2676         (struct tree_exp): Remove complexity field.
2677         * tree.c (build1_stat): Don't set it.
2679 2007-02-06  Dorit Nuzman  <dorit@il.ibm.com>
2680             Victor Kaplansky  <victork@il.ibm.com>
2682         * tree-vectorizer.c (vect_is_simple_use): Support induction.
2683         (vect_is_simple_reduction): Support reduction with induction as
2684         one of the operands.
2685         (vect_is_simple_iv_evolution): Fix formatting.
2686         * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix
2687         formatting.  Don't mark induction phis for vectorization.
2688         (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
2689         * tree-vect-transform.c (get_initial_def_for_induction): New function.
2690         (vect_get_vec_def_for_operand): Support induction.
2691         (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
2692         induction case.
2693         (vectorizable_reduction): Support reduction with induction as one of
2694         the operands.
2695         (vectorizable_type_demotion): Use def-type of stmt argument rather
2696         than dummy def-type.
2698         * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
2699         flag_tree_scev_cprop.
2700         * common.opt (tree-scev-cprop): New flag.
2702         * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
2703         call to vect_get_new_vect_var.
2705 2007-02-06  Ira Rosen  <irar@il.ibm.com>
2707         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that
2708         vectype is not NULL.
2709         (vect_pattern_recog_1): Likewise.
2711 2007-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2713         * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
2714         (fold_negate_expr): Likewise.
2716 2007-02-05  Alexandre Oliva  <aoliva@redhat.com>
2718         PR debug/30189
2719         * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
2720         even if cv-qualification is the same.
2722 2007-02-05  Geoffrey Keating  <geoffk@apple.com>
2724         * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
2725         __enable_execute_stack on completion.
2727 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2729         * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
2730         athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
2731         athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
2732         athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
2733         athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
2734         athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
2735         athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
2736         athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
2738 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2740         * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
2741         cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
2742         swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
2743         fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
2744         x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
2745         floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
2746         floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
2747         mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
2748         umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
2749         umuldi3_highpart_rex64, umulsi3_highpart_insn,
2750         umulsi3_highpart_zext, smuldi3_highpart_rex64,
2751         smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
2752         x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
2753         sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
2754         sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
2755         sqrtextenddfxf2_i387): Added amdfam10_decode.
2757         * config/i386/athlon.md (athlon_idirect_amdfam10,
2758         athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
2759         athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
2760         athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
2761         athlon_ivector_store_amdfam10): New define_insn_reservation.
2762         (athlon_idirect_loadmov, athlon_idirect_movstore): Added
2763         amdfam10.
2765 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2767         * config/i386/athlon.md (athlon_call_amdfam10,
2768         athlon_pop_amdfam10, athlon_lea_amdfam10): New
2769         define_insn_reservation.
2770         (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
2771         athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
2772         athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
2774 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2776         * config/i386/athlon.md (athlon_sseld_amdfam10,
2777         athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
2778         athlon_mmxssest_short_amdfam10): New define_insn_reservation.
2780 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2782         * config/i386/athlon.md (athlon_sseins_amdfam10): New
2783         define_insn_reservation.
2784         * config/i386/i386.md (sseins): Added sseins to define_attr type
2785         and define_attr unit.
2786         * config/i386/sse.md: Set type attribute to sseins for insertq
2787         and insertqi.
2789 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2791         * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
2792         ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
2793         ssecomi_load_amdfam10, ssecomi_amdfam10,
2794         sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
2795         define_insn_reservation.
2796         (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
2798 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2800         * config/i386/athlon.md (cvtss2sd_load_amdfam10,
2801         cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
2802         cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
2803         cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
2804         cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
2805         cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New
2806         define_insn_reservation.
2808         * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
2809         cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
2810         cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
2811         cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
2812         cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
2814 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2816         * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
2817         athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
2818         athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
2819         (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
2820         athlon_ssemul_load_k8): Added amdfam10.
2822 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2824         * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
2825         (x86_sse_unaligned_move_optimal): New variable.
2827         * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for
2828         m_AMDFAM10.
2829         (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
2830         for unaligned vector SSE double/single precision loads for AMDFAM10.
2832 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2834         * config/i386/i386.h (TARGET_AMDFAM10): New macro.
2835         (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
2836         Define TARGET_CPU_DEFAULT_amdfam10.
2837         (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
2838         (processor_type): Add PROCESSOR_AMDFAM10.
2840         * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
2841         processor_type in config/i386/i386.h.
2842         Enable imul peepholes for TARGET_AMDFAM10.
2844         * config.gcc: Add support for --with-cpu option for amdfam10.
2846         * config/i386/i386.c (amdfam10_cost): New variable.
2847         (m_AMDFAM10): New macro.
2848         (m_ATHLON_K8_AMDFAM10): New macro.
2849         (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
2850         x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
2851         x86_promote_QImode, x86_integer_DFmode_moves,
2852         x86_partial_reg_dependency, x86_memory_mismatch_stall,
2853         x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
2854         x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
2855         x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
2856         x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
2857         Enable/disable for amdfam10.
2858         (override_options): Add amdfam10_cost to processor_target_table.
2859         Set up PROCESSOR_AMDFAM10 for amdfam10 entry in
2860         processor_alias_table.
2861         (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
2862         (ix86_adjust_cost): Add code for amdfam10.
2864 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2866         * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
2867         instruction set feature flag. Add new (-mpopcnt) flag for popcnt
2868         instruction. Add new SSE4A (-msse4a) instruction set feature flag.
2869         * config/i386/i386.h: Add builtin definition for SSE4A.
2870         * config/i386/i386.md: Add support for ABM instructions
2871         (popcnt and lzcnt).
2872         * config/i386/sse.md: Add support for SSE4A instructions
2873         (movntss, movntsd, extrq, insertq).
2874         * config/i386/i386.c: Add support for ABM and SSE4A builtins.
2875         Add -march=amdfam10 flag.
2876         * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
2877         * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
2878         and amdfam10.
2879         * doc/extend.texi: Add documentation for SSE4A builtins.
2881 2007-02-05  Bob Wilson  <bob.wilson@acm.org>
2883         * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
2885 2007-02-05  Richard Guenther  <rguenther@suse.de>
2887         * tree-vectorizer.h (vectorizable_function): Add argument type
2888         argument, change return type.
2889         * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
2890         * tree-vect-transform.c (vectorizable_function): Handle extra
2891         argument, return vectorized function decl.
2892         (build_vectorized_function_call): Remove.
2893         (vectorizable_call): Handle calls with result and argument types
2894         differing.  Handle loop vectorization factor correctly.
2895         * targhooks.c (default_builtin_vectorized_function): Adjust for
2896         extra argument.
2897         * targhooks.h (default_builtin_vectorized_function): Likewise.
2898         * target.h (builtin_vectorized_function): Add argument type
2899         argument.
2900         * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
2901         extra argument, allow vectorizing of lrintf.
2902         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
2903         documentation of target hook.
2905 2007-02-05  Hans-Peter Nilsson  <hp@axis.com>
2907         PR target/30665
2908         * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
2909         ("*andhi_clear", andu (casesi+45)): For size-changed operand where
2910         memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
2912 2007-02-05  Roger Sayle  <roger@eyesopen.com>
2914         * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
2915         BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
2916         <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
2917         * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
2918         before canonicalizing sincos to cexpi.
2919         (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
2921 2007-02-05  Roger Sayle  <roger@eyesopen.com>
2923         * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
2924         Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
2925         (alpha_init_builtins): Use alpha_add_builtins to process tables.
2927 2007-02-05  Roger Sayle  <roger@eyesopen.com>
2929         * mips-tfile.c (initialize_init_file): Correct endianness test.
2931 2007-02-05  Kazu Hirata  <kazu@codesourcery.com>
2933         * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
2934         the 'y' constraint.
2936 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
2938         * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
2939         saves in a PARALLEL before the register assignments.
2941 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
2943         * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
2944         DWARF_FRAME_RETURN_COLUMN to be a general register.
2945         * dwarf2out.c (init_return_column_size): New function, split from...
2946         (expand_builtin_init_dwarf_reg_sizes): ...here.  Allow both
2947         DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
2948         to be nongeneral registers.
2949         * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
2950         integer registers.
2951         (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
2952         (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
2954 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
2956         * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
2958 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
2960         * cfgloopmanip.c (loop_delete_branch_edge): Removed.
2961         (remove_path): Use can_remove_branch_p and remove_branch instead
2962         of loop_delete_branch_edge.
2963         * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
2964         (tree_transform_and_unroll_loop): Remove dead branches immediately.
2965         Update profile using scale_dominated_blocks_in_loop.
2966         * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
2967         * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
2968         (can_remove_branch_p, remove_branch): Declare.
2969         * tree-cfg.c (tree_can_remove_branch_p): New function.
2970         (tree_cfg_hooks): Add tree_can_remove_branch_p.
2971         * cfgrtl.c (rtl_can_remove_branch_p): New function.
2972         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
2974 2007-02-05  Jan Hubicka  <jh@suse.cz>
2976         PR middle-end/30696
2977         * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
2978         nodes in cgraph, don't remove offline copy of the function.
2980 2007-02-04  Jan Hubicka  <jh@suse.cz>
2982         * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
2983         vectors might cause maybe_lookup_element_for_expr to be called
2984         on non-sra-candidate.
2986 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
2988         * config/bfin/bfin-modes.def, config/bfin/bfin.c,
2989         config/bfin/bfin.md, config/bfin/predicates.md: Follow
2990         spelling conventions.
2992 2007-02-04  Richard Guenther  <rguenther@suse.de>
2994         PR middle-end/30636
2995         * fold-const.c (try_move_mult_to_index): Make sure to not
2996         overflow one dimension of a multi-dimensional array access.
2998 2007-02-04  Jan Hubicka  <jh@suse.cz>
3000         * passes.c (init_optimization_passes): Reindent.
3002 2007-02-04  Jan Hubicka  <jh@suse.cz>
3003             Eric Botcazou  <ebotcazou@adacore.com>
3005         * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
3006         (execute_fixup_cfg): Break out the abnormal goto code.
3007         * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
3008         (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
3009         (optimize_inline_calls): Call make_nonlocal_label_edges.
3011 2007-02-04  Jan Hubicka  <jh@suse.cz>
3013         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
3014         true when something was changed.
3015         (rename_ssa_copies): When something was changed, do
3016         TODO_remove_unused_locals.
3017         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
3018         add TODO_remove_unused_locals when instruction was removed.
3020 2007-02-04  Jan Hubicka  <jh@suse.cz>
3022         * ipa-inline.c (try_inline): Improve debug output; work on already
3023         inline edges too.
3024         (cgraph_decide_inlining_incrementally): Indent; improve debug output;
3025         call try_inline for already inlined edges too when flattening;
3026         inline also functions that make callee growth but overall unit size
3027         reduce.
3029 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
3031         * config/m32c/bitops.md, config/m32c/jump.md,
3032         config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
3033         config/m32r/m32r.h, config/m32r/m32r.md,
3034         config/m32r/predicates.md, config/m68hc11/larith.asm,
3035         config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
3036         config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
3037         config/mips/mips-protos.h, config/mips/mips.c,
3038         config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
3039         config/mn10300/mn10300.h, config/mn10300/predicates.md,
3040         config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
3041         spelling conventions.
3043         * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
3044         Follow spelling conventions.
3046 2007-02-03  Douglas Gregor  <doug.gregor@gmail.com>
3048         * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
3049         warn about C++0x compatibility.
3051 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
3053         * config/h8300/h8300.c, config/h8300/h8300.h,
3054         config/h8300/h8300.md: Follow spelling conventions.
3056 2007-02-03  Uros Bizjak  <ubizjak@gmail.com>
3058         PR middle-end/30667
3059         * combine.c (try_combine): Do not substitute source operand
3060         with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
3062 2007-02-03  Jan Hubicka  <jh@suse.cz>
3064         PR gcov-profile/30650
3065         * value-prof.c (stringop_block_profile): Fix handling of size counter;
3066         do not divide by zero for never executed counters.
3067         (tree_find_values_to_profile): Fix counters.
3068         * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
3070 2007-02-03  Ian Lance Taylor  <iant@google.com>
3072         * lower-subreg.c (simple_move_operand): New static function,
3073         broken out of simple_move.  Reject LABEL_REF, SYMBOL_REF, and HIGH
3074         operands.
3075         (simple_move): Call simple_move_operand.
3076         (find_decomposable_subregs): Add special handling of MEMs.
3077         (can_decompose_p): Rename from cannot_decompose_p.  Reverse
3078         meaning of return value.  If we see a hard register, test whether
3079         it can store a word_mode value.  Change all callers.
3081 2007-02-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3083         * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
3084         ftrapv insns and expanders.
3085         (subdi3): Change define_expand operand 1 to arith11_operand, and
3086         operand 2 to reg_or_0_operand.  Change constraints of 64-bit insn
3087         pattern to handle reg_or_0 operands.  Revise 32-bit insn pattern to
3088         handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
3089         respectively.
3091         PR middle-end/30174
3092         * varasm.c (notice_global_symbol): Treat global objects as weak when
3093         flag_shlib is true.
3095 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3097         * emit-rtl.c (dconstpi): Delete.
3098         (dconstsqrt2): New.
3099         (init_emit_once): Delete dconstpi and init dconstsqrt2.
3100         * real.h (dconstpi): Delete.
3101         (dconstsqrt2): New.
3102         * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
3103         (fold_builtin_hypot): Likewise.
3105 2007-02-03  Tom Tromey  <tromey@redhat.com>
3107         PR driver/30246
3108         * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
3109         -gcoff3, -gxcoff3, -gvms3 implies -dD.
3111 2007-02-03  Kazu Hirata  <kazu@codesourcery.com>
3113         * c-decl.c, config/avr/avr.c, config/avr/avr.h,
3114         config/m68k/m68k.c, config/m68k/netbsd-elf.h,
3115         config/mn10300/mn10300.c, config/pdp11/pdp11.h,
3116         config/rs6000/cell.md, config/rs6000/darwin.h,
3117         config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
3118         config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
3119         jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
3120         tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
3121         typos.  Follow spelling conventions.
3122         * doc/invoke.texi: Follow spelling conventions.
3124 2007-02-03  Roger Sayle  <roger@eyesopen.com>
3126         * simplify-rtx.c (simplify_relational_operation_1): Implement some
3127         canonicalization transformations that attempt to simplify integer
3128         constant comparisons to become comparisons against zero.
3130 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3132         * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
3133         fabs(x)*sqrt(2).
3134         * fold-const.c (fold_binary): Fix comment typos.  Fold complex
3135         (x,0)-(0,y) into (x,-y).  Likewise (0,y)-(x,0) into (-x,y).
3137 2007-02-02  Mike Stump  <mrs@apple.com>
3139         * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
3140         * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
3141         (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
3142         generate a branch island.
3144 2007-02-02  Bob Wilson  <bob.wilson@acm.org>
3146         * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
3147         (xtensa_legitimate_address_p): New.
3148         (xtensa_legitimize_address): New.
3149         (xtensa_output_addr_const_extra): New.
3150         * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
3151         (BASE_REG_P): New.
3152         (REG_OK_FOR_BASE_P): Use BASE_REG_P.
3153         (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
3154         (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
3155         (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
3156         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
3157         (xtensa_legitimize_address): New.
3158         (xtensa_output_addr_const_extra): New.
3160 2007-02-02  Steve Ellcey  <sje@cup.hp.com>
3162         * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
3164 2007-02-02  Ian Lance Taylor  <iant@google.com>
3166         * expmed.c (expand_divmod): Add comment.
3168 2007-02-02  Kazu Hirata  <kazu@codesourcery.com>
3170         * emit-rtl.c (renumber_insns): Remove.
3171         * flags.h: Remove the extern for flag_renumber_insns.
3172         * rtl.h: Remove the prototype for renumber_insns.
3173         * toplev.c (flag_renumber_insns): Remove.
3175 2007-02-02  Hui-May Chang  <hm.chang@apple.com>
3177         Revert for x86 darwin:
3178         2005-06-19  Uros Bizjak  <uros@kss-loka.si>
3180         * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
3181         code before the following patch under TARGET_MACHO.
3182         (ix86_function_value_regno_p): Likewise.
3184 2007-02-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3186         * fold-const.c (negate_expr_p, fold_negate_expr): Handle
3187         COMPLEX_EXPR.
3189 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
3191         PR target/29682
3192         * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory loads to
3193         general or fp registers.  Add comments.
3194         * config/ia64/ia64.md (reg_pred_prefix): Add comment.
3196 2007-02-02  Paolo Bonzini  <bonzini@gnu.org>
3198         * pointer-set.c (insert_aux): Only return insertion slot.
3199         (pointer_set_insert): Adjust.
3200         (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
3201         pointer_map_destroy, pointer_map_insert, pointer_map_contains,
3202         pointer_map_traverse): New.
3203         * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
3204         pointer_map_create,  pointer_map_destroy, pointer_map_insert,
3205         pointer_map_contains, pointer_map_traverse): Declare.
3207 2007-02-02  Jakub Jelinek  <jakub@redhat.com>
3209         PR middle-end/30473
3210         * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
3211         sprintf (str, "%s").  Do not optimize sprintf (str, "nopercent", p++).
3213 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
3215         * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
3217         (struct _dep): New type.
3218         (dep_t): New typedef.
3219         (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
3220         (DEP_STATUS): New access macro.  The macro with the same name was
3221         renamed to DEP_LINK_STATUS.
3222         (dep_init): Declare function
3224         (struct _dep_link): New type.
3225         (dep_link_t): New typedef.
3226         (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
3227         (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
3228         (DEP_LINK_STATUS): New macro.
3229         (debug_dep_links): New debug function.
3231         (struct _deps_list): New type.
3232         (deps_list_t): New typedef.
3233         (DEPS_LIST_FIRST): New access macro.
3234         (FOR_EACH_DEP_LINK): New cycle macro.
3235         (create_deps_list, free_deps_list, delete_deps_list): Declare
3236         functions.
3237         (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
3238         (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
3239         (copy_deps_list_change_con): Ditto.
3241         (move_dep_link): Declare function.
3243         (struct _dep_node): New type.
3244         (dep_node_t): New typedef.
3245         (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
3247         (struct haifa_insn_data.back_deps): New field to hold backward
3248         dependencies of the insn.
3249         (struct haifa_insn_data.depend): Rename to forw_deps.  Change its type
3250         to deps_list_t.
3251         (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
3252         Change its type to deps_list_t.
3253         (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
3254         (INSN_DEPEND): Rename to INSN_FORW_DEPS.
3255         (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
3257         (INSN_COST): Move to haifa-sched.c.  Use insn_cost () instead.
3259         (DEP_STATUS): Rename to DEP_LINK_STATUS.  Fix typo in the comment.
3261         (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration and
3262         all callers.
3263         (dep_cost): Declare.
3265         * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
3266         (ds_to_dk, dk_to_ds): New functions.
3268         (init_dep_1): New static function.
3269         (init_dep): New function.
3270         (copy_dep): New static function.
3272         (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
3273         functions.
3274         (detach_dep_link): New static function.
3275         (move_dep_link): New function.
3277         (dep_links_consistent_p, dump_dep_links): New static functions.
3278         (debug_dep_links): New debugging function.
3280         (deps_obstack, dl_obstack, dn_obstack): New static variables.
3282         (alloc_deps_list, init_deps_list): New static functions.
3283         (create_deps_list): New function.
3284         (clear_deps_list): New static function.
3285         (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
3286         (deps_list_consistent_p, dump_deps_list): New static functions.
3287         (debug_deps_list): New function.
3288         (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
3289         functions.
3290         (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
3292         (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
3293         use new scheduler dependencies lists.
3294         (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
3295         (sched_analyze): Ditto.  Initialize dependencies lists.
3296         (add_forw_dep, compute_forward_dependences): Update to use new
3297         scheduler dependencies lists.
3299         (init_dependency_caches): Init deps_obstack.
3300         (free_dependency_caches): Free deps_obstack.
3302         (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
3303         new scheduler dependencies lists.
3304         (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
3305         (add_back_forw_dep, delete_back_forw_dep): Ditto.
3307         * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
3308         Update to use new scheduler dependencies lists.
3309         (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
3310         (debug_dependencies): Ditto.
3311         (schedule_region): Update comments.
3313         * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
3314         scheduler dependencies lists.
3315         (schedule_ebb): Update comments.
3317         * rtl.def (DEPS_LIST): Remove.
3319         * lists.c (unused_deps_list): Remove.
3320         (free_list): Update assertions.
3322         (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
3323         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
3325         * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
3326         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
3328         * haifa-sched.c (comments): Update.
3329         (insn_cost1): Remove.  Inline the code into insn_cost ().
3330         (insn_cost): Update to use new scheduler dependencies lists.  Move
3331         processing of the dependency cost to dep_cost ().
3332         (dep_cost): New function.  Use it instead of insn_cost () when
3333         evaluating cost of the dependency.  Use compatible interface to
3334         interact with the target.
3335         (priority): Update to use new scheduler dependencies lists.
3336         (rank_for_schedule): Ditto.  Optimize heuristic that prefers the insn
3337         with greater number of insns that depend on the insn.
3338         (schedule_insn): Update to use new scheduler dependencies lists.  Add
3339         code to free backward dependencies lists.  Inline and optimize code
3340         from resolve_dep () - see PR28071.
3341         (ok_for_early_queue_removal): Update to use new scheduler dependencies
3342         lists.  Update call to targetm.sched.is_costly_dependence hook.
3344         (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
3345         scheduler dependencies lists.
3347         (resolve_dep): Remove.  Move the logic to schedule_insn ().
3348         (init_h_i_d): Initialize dependencies lists.
3350         (process_insn_depend_be_in_spec): Rename to
3351         process_insn_forw_deps_be_in_spec.  Update to use new scheduler
3352         dependencies lists.
3353         (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
3354         Update to use new scheduler dependencies lists.
3355         (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
3357         * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
3358         new scheduler dependencies lists.
3359         (build_intra_loop_deps): Ditto.
3361         * target.h (struct _dep): Declare to use in
3362         gcc_target.sched.is_costly_dependence.
3363         (struct gcc_target.sched.adjust_cost): Fix typo.
3364         (struct gcc_target.sched.is_costly_dependence): Change signature to use
3365         single dep_t parameter instead of an equivalent triad.
3366         (struct gcc_target.sched.adjust_cost_2): Remove.
3368         * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
3370         * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
3372         * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
3373         documentation.
3374         (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
3376         * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
3377         (REG_DEP_TRUE): Document.
3379         * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
3380         Change signature to correspond to the targetm.sched.adjust_cost hook.
3381         Update use in TARGET_SCHED_ADJUST_COST_2.
3382         (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
3383         (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
3384         new scheduler dependencies lists.
3385         (ia64_gen_check): Ditto.
3387         * config/mips/mips.c (vr4130_swap_insns_p): Update to use new scheduler
3388         dependencies lists.
3390         * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
3391         signature to correspond to the targetm.sched.is_costly_dependence hook.
3392         (is_costly_group): Update to use new scheduler dependencies lists.
3394         * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
3395         instead of INSN_COST () macro.
3397 2007-02-01  Ian Lance Taylor  <iant@google.com>
3399         * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
3401 2007-02-01  Guy Martin  <gmsoft@gentoo.org>
3403         * pa.md (tp_load): Correct mfctl instruction syntax.
3405 2007-02-01  Geoffrey Keating  <geoffk@apple.com>
3407         * config/rs6000/rs6000.c (rs6000_stack_info): Correct
3408         altivec_padding_size calculation on AIX.  Improve comment, add
3409         assert to verify that it's right.
3411         * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
3412         64-bit.
3414 2007-2-01  Seongbae Park  <seongbae.park@gmail.com>
3416         PR inline-asm/28686
3417         * global.c (global_alloc): Add mising initialization of
3418         ELIMINABLE_REGSET.
3420 2007-02-01  Roger Sayle  <roger@eyesopen.com>
3422         * alias.c (init_alias_analysis): Correct whitespace.
3423         * bb-reorder.c (fix_edges_for_rarely_executed_code,
3424         partition_hot_cold_basic_blocks): Likewise.
3425         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
3426         expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
3427         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
3428         fold_builtin_snprintf_chk, fold_builtin_printf,
3429         fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
3430         do_mpfr_arg3, do_mpfr_sincos): Likewise.
3431         * cfgcleanup.c (cleanup_cfg): Likewise.
3432         * cfgexpand.c (tree_expand_cfg): Likewise.
3433         * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
3434         * function.c (get_next_funcdef_no): Likewise.
3435         * gengtype.c (main): Likewise.
3436         * genmodes.c (main): Likewise.
3437         * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
3438         * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
3439         * ifcvt.c (noce_emit_move_insn): Likewise.
3440         * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
3441         Likewise.
3442         * stor-layout.c (get_best_mode): Likewise.
3443         * tree-ssa-loop-niter.c (get_val_for): Likewise.
3444         * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
3445         scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
3446         perform_var_substitution, solve_graph): Likewise.
3447         * tree-vrp.c (vrp_finalize): Likewise.
3449 2007-02-01  Ian Lance Taylor  <iant@google.com>
3451         * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
3452         high part of a paradoxical subreg, return a constant zero.
3454 2007-02-01  Zdenek Dvorak <dvorakz@suse.cz>
3456         * toplev.c (lang_dependent_init): Call init_set_costs.
3457         * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
3459 2007-02-01  Richard Guenther  <rguenther@suse.de>
3461         PR middle-end/30656
3462         * fold-const.c (fold_negate_expr): Allow negating a
3463         constant if overflow does not change.
3465 2007-02-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3467         * doc/c-tree.texi (Expression trees): Improve markup.
3468         * doc/tm.texi (Register Classes, Addressing Modes)
3469         (Floating Point): Fix spacing after abbreviations.  Fix some
3470         typos.
3472 2007-02-01  Ben Elliston  <bje@au.ibm.com>
3474         * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
3475         * doc/contrib.texi: Likewise.
3476         * doc/install.texi: Likewise.
3478 2007-01-31  Richard Henderson  <rth@redhat.com>
3479             Ian Lance Taylor  <iant@google.com>
3481         * lower-subreg.c: New file.
3482         * rtl.def (CONCATN): Define.
3483         * passes.c (init_optimization_passes): Add pass_lower_subreg and
3484         pass_lower_subreg2.
3485         * emit-rtl.c (update_reg_offset): New static function, broken out
3486         of gen_rtx_REG_offset.
3487         (gen_rtx_REG_offset): Call update_reg_offset.
3488         (gen_reg_rtx_offset): New function.
3489         * regclass.c: Revert patch of 2006-03-05, restoring
3490         reg_scan_update.
3491         (clear_reg_info_regno): New function.
3492         * dwarf2out.c (concatn_loc_descriptor): New static function.
3493         (loc_descriptor): Handle CONCATN.
3494         * common.opt (fsplit_wide_types): New option.
3495         * opts.c (decode_options): Set flag_split_wide_types when
3496         optimizing.
3497         * timevar.def (TV_LOWER_SUBREG): Define.
3498         * rtl.h (gen_reg_rtx_offset): Declare.
3499         (reg_scan_update): Declare.
3500         * regs.h (clear_reg_info_regno): Declare.
3501         * tree-pass.h (pass_lower_subreg): Declare.
3502         (pass_lower_subreg2): Declare.
3503         * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
3504         (Optimize Options): Add -fsplit-wide-types to -O1 list.  Document
3505         -fsplit-wide-types.
3506         * doc/rtl.texi (Regs and Memory): Document concat and concatn.
3507         * Makefile.in (OBJS-common): Add lower-subreg.o.
3508         (lower-subreg.o): New target.
3510 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
3512         * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
3514 2007-01-31  Anatoly Sokolov <aesok@post.ru>
3516         PR target/19087
3517         * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
3519 2007-01-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3521         PR middle-end/29335
3522         * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
3524 2007-01-31  Zdenek Dvorak <dvorakz@suse.cz>
3526         * cfgloop.h: Include vec-prim.h.
3527         (enum li_flags): Remove LI_ONLY_OLD.
3528         (loop_iterator): Changed.
3529         (fel_next, fel_init): Iterate over loop tree.
3530         (FOR_EACH_LOOP_BREAK): New macro.
3531         * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
3532         FOR_EACH_LOOP.
3533         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
3534         * modulo-sched.c (sms_schedule): Ditto.
3535         * tree-vectorizer.c (vectorize_loops): Ditto.
3536         * doc/loop.texi: Update information on loop numbering and behavior of
3537         FOR_EACH_LOOP wrto new loops.
3538         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
3539         add_to_evolution_1): Test nestedness of loops instead of comparing
3540         their numbers.
3541         * tree-chrec.c (chrec_fold_plus_poly_poly,
3542         chrec_fold_multiply_poly_poly, chrec_evaluate,
3543         hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
3544         reset_evolution_in_loop): Ditto.
3545         * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
3547 2007-01-31  Dirk Mueller  <dmueller@suse.de>
3549         * c-common.c (warn_about_parentheses): Separate warning about
3550         un-parenthized sequence of comparison operators from the one
3551         which is supposed to warn about x <= y <= z.
3553 2007-01-31  Uros Bizjak  <ubizjak@gmail.com>
3555         * optabs.h (enum optab_index): Add new OTI_isinf.
3556         (isinf_optab): Define corresponding macro.
3557         * optabs.c (init_optabs): Initialize isinf_optab.
3558         * genopinit.c (optabs): Implement isinf_optab using isinf?f2
3559         patterns.
3560         * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
3561         (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
3562         using isinf_optab.
3563         (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
3564         expand_builtin_interclass_mathfn.
3565         * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
3566         * config/i386/i386.md (UNSPEC_FXAM): New constant.
3567         (fxam<mode>2_i387): New insn pattern.
3568         (isinf<mode>2) New expander to implement isinf, isinff and isinfl
3569         built-in functions as x87 inline asm.
3571 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
3573         * gcc/config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
3575 2007-01-30  Eric Christopher  <echristo@apple.com>
3577         * config.gcc: Add geode.
3579 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
3581         * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
3582         ipa-inline.c, tree-profile.c, tree-ssa-live.c,
3583         tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
3584         value-prof.c: Fix comment typos.
3586 2007-01-30  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3588         PR c++/24745
3589         * doc/invoke.texi (Wpointer-arith): Document warning.
3591 2007-01-30  Janis Johnson  <janis187@us.ibm.com>
3593         * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
3594         the list of discrepancies from the draft TR.
3596 2007-01-30  Dirk Mueller  <dmueller@suse.de>
3598         PR c++/30601
3599         * doc/invoke.texi (-Wreturn-type): Update description to
3600         match new behavior.
3602 2007-01-30  Richard Sandiford  <richard@codesourcery.com>
3604         * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
3606 2007-01-30  Uros Bizjak  <ubizjak@gmail.com>
3608         * builtins.c (expand_builtin_int_interclass_roundingfn): New function
3609         to handle optabs that operate on floating point input argument and
3610         output to integer output.
3611         (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
3612         (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
3613         (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
3614         expand_builtin_interclass_mathfn ().
3615         * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
3616         (ilogbsi2): Remove.
3617         (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
3618         ilogbl built-in functions as x87 intrinsics.
3620 2007-01-30  Richard Guenther  <rguenther@suse.de>
3622         PR middle-end/27657
3623         * dwarf2out.c (reference_to_unused): Query varpool if the
3624         variable was output.
3626 2007-01-30  Richard Guenther  <rguenther@suse.de>
3628         PR middle-end/30313
3629         * passes.c (execute_one_pass): Reset in_gimple_form to not
3630         confuse non-unit-at-a-time mode.
3632 2007-01-29  Roger Sayle  <roger@eyesopen.com>
3633             Richard Guenther  <rguenther@suse.de>
3635         * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
3636         avoid undefined behaviour on overflow.  Use force_fit_type_double
3637         to construct the constant with the specified TREE_OVERFLOW.
3639 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
3641         * config/dfp-bit.c: Add parameterized support for fp exceptions.
3642         * config/dfp-bit.h: Ditto.
3644 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3646         * c-decl.c (pop_scope): Replace warnings with call to
3647         warn_for_unused_label.
3648         * c-common.h (warn_for_unused_label): Declare.
3649         * c-common.c (warn_for_unused_label): Define.
3651 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3653         * tree-optimize.c (update_inlined_to_pointers): Delete unused
3654         function.
3656 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
3658         * Makefile.in (USER_H): Remove decfloat.h.
3659         * ginclude/decfloat.h: Delete, moving contents to ...
3660         * ginclude/float.h: Add support for decimal floating point,
3661         guarded by __STDC_WANT_DEC_FP__.
3663 2007-01-29  Mike Stump  <mrs@apple.com>
3665         * doc/gccint.texi (Top): Rename Loop Representation to Loop
3666         Analysis and Representation to resolve case insensitive conflict.
3667         * doc/loop.texi (Loop Analysis and Representation): Likewise.
3669 2007-01-28  Daniel Berlin  <dberlin@dberlin.org>
3671         * tree.h (struct tree_memory_tag): Add aliases member.
3672         (MTAG_ALIASES): New macro.
3673         * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
3674         (add_may_alias): Remove pointer-set. Update for may_aliases being
3675         a bitmap.
3676         (mark_aliases_call_clobbered): Update for may_aliases being a
3677         bitmap.
3678         (compute_tag_properties): Ditto.
3679         (create_partition_for): Ditto.
3680         (compute_memory_partitions): Ditto.
3681         (dump_may_aliases_for): Ditto.
3682         (is_aliased_with): Ditto.
3683         (add_may_alias_for_new_tag): Ditto.
3684         (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
3685         (compute_is_aliased): New function.
3686         (compute_may_aliases): Call compute_is_aliased).
3687         (init_alias_info): Initialize alias_bitmap_obstack.
3688         (union_alias_set_into): New function.
3689         (compute_flow_sensitive_aliasing): Use union_aliases_into.
3690         (have_common_aliases_p): Rewrite to take two bitmaps and use
3691         intersection.
3692         (compute_flow_insensitive_aliasing): Stop using pointer-sets.
3693         Update for bitmaps.
3694         (finalize_ref_all_pointers): Update for add_may_alias changes.
3695         (new_type_alias): Ditto.
3696         * tree-flow-inline.h (may_aliases): Return a bitmap.
3697         * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
3698         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
3699         may_aliases being a bitmap.
3700         * tree-flow.h (struct var_ann_d): Remove may_aliases member.
3701         may_aliases now returns a bitmap.
3702         * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
3703         being a bitmap.
3704         * tree-ssa-operands.c (add_virtual_operand): Update for
3705         may_aliases being a bitmap.
3707 2007-01-29  Daniel Berlin  <dberlin@dberlin.org>
3709         PR tree-optimization/30630
3710         * tree-ssa-structalias.c (do_complex_constraint): Mark correct
3711         variable as changed.
3713 2007-01-29  Simon Martin  <simartin@users.sourceforge.net>
3715         PR c++/28266
3716         * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
3717         expanded only once even if an error occurs.
3719 2007-01-29  Ben Elliston  <bje@au.ibm.com>
3721         * gcov-io.h (__gcov_indirect_call_profiler): Declare.
3722         (__gcov_average_profiler): Likewise.
3723         (__gcov_ior_profiler): Likewise.
3724         (__gcov_merge_ior): Likewise.
3726 2007-01-28  Jan Hubicka  <jh@suse.cz>
3728         * builtins.c (expand_builtin_memset): Fix typo in my last patch.
3729         * value-prof.c (stringop_block_profile): Likewise.
3731 2007-01-28  Jan Hubicka  <jh@suse.cz>
3733         * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall): Add
3734         variant handling histograms; add wrapper.
3735         (clear_storage_via_libcall): Export.
3736         (emit_block_move_hints): Break out from ...; add histograms.
3737         (emit_block_move): ... this one.
3738         (clear_storage_hints): Break out from ...; add histograms.
3739         (clear_storage): ... this one.
3740         (set_storage_via_memset): Handle histogram.
3741         * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
3742         (clear_storage_hints, clear_storage_via_libcall): Declare.
3743         (set_storage_via_setmem): Update prototype.
3744         * doc/md.texi (movmem, setmem): Document new arguments.
3746         * value-prof.c (dump_histogram_value, tree_find_values_to_profile): Add
3747         new histograms.
3748         (stringop_block_profile): New global function.
3749         (tree_stringops_values_to_profile): Profile block size and alignment.
3750         * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
3751         HIST_TYPE_IOR.
3752         (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
3753         (stringop_block_profile): Declare.
3754         * builtins.c: Include value-prof.h.
3755         (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
3756         * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
3757         (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
3758         (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
3759         * profile.c (instrument_values): Add new counters.
3760         * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
3761         calls.
3762         * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
3763         (tree_init_edge_profiler): Build new profilers.
3764         (tree_gen_average_profiler, tree_gen_ior_profiler): New.
3765         (pass_tree_profile): Add dump.
3766         (tree_profile_hooks): Update.
3767         * Makefile.in (LIBGCOV): Add new constants.
3768         * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
3769         __gcov_ior_profiler): New.
3770         * i386.md (movmem/setmem expanders): Add new optional arguments.
3772 2007-01-28  David Edelsohn  <edelsohn@gnu.org>
3774         * doc/md.texi (Standard Pattern Names): Document blockage pattern.
3776 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
3778         * tree-ssa-loop-unswitch.c: Include tree-inline.h.
3779         (tree_unswitch_single_loop): Pass eni_size_weights to
3780         tree_num_loop_insns.
3781         * tree-ssa-loop-manip.c: Include tree-inline.h.
3782         (can_unroll_loop_p): Pass eni_size_weights to
3783         tree_num_loop_insns.
3784         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
3785         Pass eni_size_weights to estimate_num_insns.
3786         * tree.h (init_inline_once): Export.
3787         * toplev.c (backend_init): Call init_inline_once.
3788         * cgraphunit.c (cgraph_process_new_functions,
3789         cgraph_analyze_function): Pass eni_inlining_weights to
3790         estimate_num_insns.
3791         * ipa-inline.c (compute_inline_parameters): Ditto.
3792         * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
3793         to estimate_num_insns.
3794         (try_unroll_loop_completely): Pass eni_size_weights to
3795         tree_num_loop_insns.
3796         * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
3797         ot estimate_num_insns.
3798         * tree-ssa-loop-prefetch.c: Include tree-inline.h.
3799         (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
3800         * tree-inline.c (eni_inlining_weights, eni_size_weights,
3801         eni_time_weights): New variables.
3802         (init_inline_once): Initialize them.
3803         (struct eni_data): Mew.
3804         (estimate_num_insns_1, estimate_num_insns): Use weights.
3805         * tree-inline.h (struct eni_weights_d): New.
3806         (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
3807         (estimate_num_insns): Declaration changed.
3808         * cfgloop.h (tree_num_loop_insns): Declaration changed.
3809         * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
3810         tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
3812 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
3814         * tree-data-ref.c (conflict_fn): Assert that the number of affine
3815         relations in the conflict function is valid.
3817 2007-01-27  Ian Lance Taylor  <iant@google.com>
3819         * common.opt: Add fstrict-overflow.
3820         * opts.c (decode_options): Set flag_strict_overflow if -O2.
3821         * flags.h (TYPE_OVERFLOW_WRAPS): Define.
3822         (TYPE_OVERFLOW_UNDEFINED): Define.
3823         (TYPE_OVERFLOW_TRAPS): Define.  This replaces TYPE_TRAP_SIGNED.
3824         Replace all uses.
3825         * tree.h (TYPE_TRAP_SIGNED): Don't define.
3826         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
3827         (fold_negate_expr): Likewise.
3828         (make_range): Likewise.
3829         (extract_muldiv_1): Likewise.
3830         (maybe_canonicalize_comparison): Likewise.
3831         (fold_comparison): Likewise.
3832         (fold_binary): Likewise.
3833         (tree_expr_nonnegative_p): Likewise.
3834         (tree_expr_nonzero_p): Likewise.
3835         * tree-vrp.c (compare_values): Likewise.
3836         (extract_range_from_binary_expr): Likewise.
3837         (extract_range_from_unary_expr): Likewise.
3838         * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
3839         Likewise.
3840         (nowrap_type_p): Likewise.
3841         * tree-scalar-evolution.c (simple_iv): Likewise.
3842         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
3843         (build_range_check): Likewise.
3844         (extract_muldiv_1): Likewise.
3845         (fold_comparison): Likewise.
3846         * tree-vrp.c (vrp_int_const_binop): Likewise.
3847         (extract_range_from_unary_expr): Likewise.
3848         * convert.c (convert_to_integer): Likewise.
3849         * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
3850         (fold_comparison): Likewise.
3851         (fold_binary): Likewise.
3852         * optabs.c (optab_for_tree_code): Likewise.
3853         * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
3854         * simplify-rtx.c (simplify_const_relational_operation): Check
3855         flag_strict_overflow and flag_trapv.
3856         (simplify_const_relational_operation): Likewise.
3857         * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
3858         (Optimize Options): Add -fstrict-overflow to -O2 list.  Document
3859         -fstrict-overflow.
3861 2007-01-27  Roger Sayle  <roger@eyesopen.com>
3863         * tree.c (tree_fold_gcd): Delete.
3864         * tree.h (tree_fold_gcd): Remove prototype.
3865         * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
3866         test whether one constant integer is a multiple of another.  Instead
3867         call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
3868         * fold-const.c (multiple_of_p):  We've determined both TOP and
3869         BOTTOM are integer constants so we can call int_const_binop directly
3870         instead of the more generic const_binop.
3872 2007-01-27  Roger Sayle  <roger@eyesopen.com>
3874         * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
3875         1*X check that the constant hasn't overflowed, to preserve the
3876         TREE_OVERFLOW bit.
3877         (round_up): Provide an efficient implementation when rouding-up an
3878         INTEGER_CST to a power-of-two.
3880 2007-01-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3882         * doc/sourcebuild.texi: Add comma for clarity.
3883         * doc/extend.texi: Fix some typos.
3884         * doc/passes.texi: Likewise.
3885         * doc/cppinternals.texi: Likewise.
3886         * doc/c-tree.texi: Likewise.
3887         * doc/tree-ssa.texi: Likewise.
3888         * doc/install.texi: Likewise.
3890 2007-01-27  Jan Hubicka  <jh@suse.cz>
3892         * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
3893         (pass_sra): Do not require alias information.
3894         * passes.c (init_optimization_passes): Add SRA
3896 2007-01-27  Steven Bosscher  <steven@gcc.gnu.org>
3898         * tracer.c (rest_of_handle_tracer): We already cleaned
3899         up the CFG in tracer() so don't do it here again.
3900         * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
3901         cleanup_cfg here, either.  And don't call renumber_insns.
3903         * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
3904         and BB_HEAD are in the insn stream here.  Instead make sure
3905         that BB_INSN is valid on all insns.  Also, do check here that
3906         there are no pending branch predictions...
3907         (rtl_verify_flow_info): ...instead of doing it here.  Checks
3908         for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
3909         here.
3911 2007-01-26  Roger Sayle  <roger@eyesopen.com>
3913         * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
3914         function to simplify/factorize operand order canonicalization.
3915         (ix86_fixup_binary_operands): Reorganize using the above function.
3916         (ix86_binary_operator_ok): Likewise.
3918 2007-01-27  Jakub Jelinek  <jakub@redhat.com>
3920         * genattrtab.c (struct attr_value_list, insn_code_values): Move to
3921         file scope from optimize_attrs.
3922         (simplify_test_exp): If insn_code_values is not NULL, use it to speed
3923         up search.
3924         (optimize_attrs): Clear insn_code_values after freeing it.
3926 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
3928         * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
3929         a parts.base assignment.
3931 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
3933         * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
3934         (compute_subscript_distance, initialize_data_dependence_relation,
3935         finalize_ddr_dependent, analyze_ziv_subscript,
3936         analyze_siv_subscript_cst_affine,
3937         compute_overlap_steps_for_affine_univar,
3938         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
3939         analyze_siv_subscript, analyze_miv_subscript,
3940         analyze_overlapping_iterations, subscript_dependence_tester_1,
3941         compute_self_dependence, free_dependence_relation): Work
3942         with affine_fn instead of chrecs.
3943         (dump_affine_function, dump_conflict_function, affine_function_equal_p,
3944         common_affine_function, affine_function_base,
3945         affine_function_constant_p, affine_fn_op, affine_fn_plus,
3946         affine_fn_minus, affine_fn_free, conflict_fn_not_known,
3947         conflict_fn_no_dependence, free_conflict_function, free_subscripts,
3948         conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
3949         (all_chrecs_equal_p): Removed.
3950         * tree-data-ref.h (affine_fn, conflict_function): New types.
3951         (struct subscript): Change type of conflicting_iterations_in_a
3952         and conflicting_iterations_in_b.
3954 2007-01-26  Steve Ellcey  <sje@cup.hp.com>
3956         PR other/30182
3957         * config/pa/pa.h (TARGET_HPUX_11): New.
3958         * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
3959         * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
3961 2007-01-26  Daniel Berlin  <dberlin@dberlin.org>
3962         Richard Guenther  <rguenther@suse.de>
3964         * tree-ssa-structalias.c (solve_graph): Handle case
3965         we merged the variable to another.
3967 2007-01-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3969         * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
3970         functions.
3972         * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
3973         catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
3975 2007-01-25  DJ Delorie  <dj@redhat.com>
3977         * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
3978         allow changes to modes which don't fit in those registers.
3980         * reload1.c (choose_reload_regs): Check for invalid subregs before
3981         computing their locations, not after.
3983 2007-01-25  Geoffrey Keating  <geoffk@apple.com>
3985         PR 25127
3986         * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
3987         save Altivec registers in an eh_return function.
3988         (compute_vrsave_mask): Likewise.
3989         (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
3990         for saving Altivec registers.
3991         (rs6000_emit_prologue): Don't allocate stack twice in
3992         eh_return function.  Correct expected value of altivec_save_offset
3993         when using save_world.  Describe save of R0 to stack when using
3994         save_world.  Describe stack pointer adjustment when using
3995         save_world.  Remove duplicated eh_return parameter register saving.
3996         Update sp_offset variable after save_world.
3997         * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
3998         darwin-world.asm.
3999         (LIB2FUNCS_EXTRA): Add darwin-world.asm.
4000         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
4001         implies Altivec.
4003 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
4005         * config.gcc (ia64*-*-hpux*): Make posix threads the default.
4007 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
4009         PR other/30182
4010         * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
4011         * config/ia64/ia64.c (ia64_init_builtins):  Ditto.
4013 2007-01-25  Richard Guenther  <rguenther@suse.de>
4015         * doc/invoke.texi (-Wcoverage-mismatch): Document.
4016         * common.opt (-Wcoverage-mismatch): New warning option.
4017         * coverage.c (get_coverage_counts): Ignore coverage mismatch
4018         if -Wcoverage-mismatch is given.
4020 2007-01-25  Razya Ladelsky  <razya@il.ibm.com>
4022         * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
4023         (ipcp_driver): Change to static definition.
4024         Add dumping of the ifunctions.
4025         (constant_val_insert): Remove unused parameter. Support for SSA.
4026         (ipcp_propagate_const): Support for SSA.
4027         (ipcp_profile_bb_print): Print only analyzed nodes.
4028         (ipcp_replace_map_create): Remove support for Fortran constant
4029         for now.
4030         * ipa-prop.c (ipa_method_modify_stmt,
4031         ipa_callsite_compute_param): Support for SSA.
4032         * ipa-prop.h (ipcp_driver): Remove declaration.
4033         (IS_VALID_TREE_MAP_INDEX): Add define.
4035 2007-01-24  Geoffrey Keating  <geoffk@apple.com>
4037         * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
4039 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4041         PR middle-end/30447
4042         * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
4043         constant argument to cabs and do it without checking for
4044         -funsafe-math-optimizations.
4046 2007-01-24  Douglas Gregor  <dgregor@osl.iu.edu>
4048         * c-common.h (RID_FIRST_CXX0X): New.
4049         (RID_LAST_CXX0X): New.
4050         * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
4051         by -Wall.
4052         * c.opt (Wc++0x-compat): New.
4053         * doc/invoke.texi (-Wc++0x-compat): Document.
4055 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4057         * builtins.c (fold_builtin_carg): New.
4058         (fold_builtin_1): Use it.
4060 2007-01-24  Jan Hubicka  <jh@suse.cz>
4062         * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
4064         * ipa-inline.c (initial_insns, max_insns): Delete.
4065         (compute_max_insns): New function.
4066         (cgraph_decide_inlining_of_small_function): Use it; take minimal amount
4067         of insns as base for code growth.
4068         (cgraph_decide_inlining): Make initial_insns local; do not compute
4069         max_insns.
4070         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
4071         * doc/invoke.texi (inline-unit-growth): Update docs.
4073 2007-01-24  Jakub Jelinek  <jakub@redhat.com>
4075         * config/i386/i386.h (x86_cmpxchg16b): Remove const.
4076         (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
4077         * config/i386/i386.c (x86_cmpxchg16b): Remove const.
4078         (override_options): Add PTA_CX16 flag.  Set x86_cmpxchg16b
4079         for CPUs that have PTA_CX16 set.
4081         PR middle-end/27416
4082         * gimplify.c (omp_check_private): New function.
4083         (gimplify_scan_omp_clauses): Use it for
4084         firstprivate/lastprivate/reduction.
4086         PR middle-end/30494
4087         * gimplify.c (omp_add_variable): Don't call omp_notice_variable
4088         on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
4090         PR middle-end/30421
4091         * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
4092         If lower_lastprivate_clauses emits some statements, append them
4093         to dlist rather than body_p and to body_p append an initializer.
4094         (lower_omp_for): Adjust caller.
4096 2007-01-24  Steve Ellcey  <sje@cup.hp.com>
4098         * target.h (globalize_decl_name): New.
4099         * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
4100         * output.h (default_globalize_decl_name): New.
4101         * varasm.c (asm_output_bss): Use globalize_decl_name instead of
4102         globalize_label.
4103         (globalize_decl): Ditto.
4104         (default_globalize_decl_name): New.
4105         * config/ia64/ia64.c (ia64_globalize_decl_name): New.
4106         (ia64_handle_version_id_attribute): New.
4107         (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
4108         (ia64_asm_output_external): Use globalize_decl_name instead
4109         of globalize_label.
4110         * doc/extend.texi (version_id): New pragma.
4111         * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
4113 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
4115         * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
4116         _uleb128_t and _Unwind_SWord with _sleb128_t.
4117         * unwind-dw2.c (extract_cie_info, execute_stack_op, execute_cfa_program,
4118         uw_frame_state_for, uw_update_context_1): Likewise.
4119         * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
4120         * unwind-pe.h (read_uleb128, read_sleb128,
4121         read_encoded_value_with_base): Likewise.
4122         * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
4124 2007-01-24  Richard Guenther  <rguenther@suse.de>
4126         * builtins.c (expand_builtin_cexpi): Get the fndecl
4127         for cexp in the correct way.
4129 2007-01-24  Jan Hubicka  <jh@suse.cz>
4131         * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS of calls.
4133 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
4135         * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
4136         (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
4137         __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
4138         __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
4139         __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
4140         __SIZEOF_PTRDIFF_T__.
4141         * doc/cpp.texi: Documentation for the new builtin macros added.
4143 2007-01-24  Uros Bizjak  <ubizjak@gmail.com>
4145         * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
4146         log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
4147         instead of operands[2] to avoid access past the end of array.
4149 2007-01-24  Richard Sandiford  <richard@codesourcery.com>
4151         * reload1.c (emit_reload_insns): Pass the reload register
4152         for a non-spill output reload through forget_old_reloads_1.
4154 2007-01-23  Joseph Myers  <joseph@codesourcery.com>
4156         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
4157         _SOFT_DOUBLE if doubles use software floating-point.
4158         * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
4159         double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
4160         * config/rs6000/darwin-ldouble.c: Also compile functions for
4161         hard-float without FPRs.  Use fmsub function for all __NO_FPRS__
4162         cases.  Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
4163         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
4164         commented-out long double override.
4165         (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
4166         * config/rs6000/eabispe.h: Likewise.
4167         * config/rs6000/rs6000.c (rs6000_override_options): Don't override
4168         long double for non-SPE.
4169         (rs6000_handle_option): Likewise.
4170         (invalid_e500_subreg): Disallow more subregs involding DImode,
4171         DFmode, TImode or TFmode.
4172         (rs6000_legitimate_offset_address_p): Check TFmode offsets for
4173         E500 double.
4174         (legitimate_lo_sum_address_p): Also check for TFmode for E500
4175         double.
4176         (rs6000_legitimize_address): Also handle TFmode for E500 double.
4177         (rs6000_legitimize_reload_address): Also handle TFmode for E500
4178         double.
4179         (rs6000_legitimate_address): Also check for TFmode for E500
4180         double.
4181         (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
4182         (spe_build_register_parallel): Handle TFmode and TCmode.
4183         (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
4184         double.
4185         (function_arg): Handle TFmode and TCmode for E500 double.
4186         (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
4187         in general.
4188         (print_operand): Handle TFmode and TImode for %y.
4189         (rs6000_generate_compare): Handle TFmode comparisons for E500
4190         double.
4191         (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
4192         (rs6000_function_value): Handle TFmode and TCmode for E500 double.
4193         (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
4194         * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
4195         TFmode for E500 double.
4196         * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
4197         (floatsidf2): Enable for E500 double.
4198         (movtf_softfloat): Use rs6000_nonimmediate_operand.
4199         (extenddftf2): Change to extenddftf2_fprs.
4200         (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
4201         depending on TARGET_E500_DOUBLE.
4202         (extendsftf2): Enable for E500 double.
4203         (trunctfdf2): Enable for E500 double.
4204         (trunctfsf2): Change to trunctfsf2_fprs.
4205         (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
4206         depending on TARGET_E500_DOUBLE.
4207         (floatsitf2): Enable for E500 double.
4208         (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
4209         (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
4210         gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
4211         (negtf2): Change to negtf2_internal.
4212         (negtf2): New expander.
4213         (abstf2): Enable for E500 double.  Call gen_spe_abstf2_tst,
4214         gen_spe_abstf2_cmp or gen_abstf2_internal depending on
4215         TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
4216         (movdi_internal32): Use rs6000_nonimmediate_operand.
4217         (unnamed splitter): Likewise.
4218         * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
4219         TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
4220         (SPE64TF, DITI): New mode macros.
4221         (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
4222         modes.
4223         (frob_tf_ti): New.
4224         (frob_<mode>_di_2): New.
4225         (frob_tf_di_8_2): New.
4226         (frob_di_df): Change to frob_di_<mode>; allow more modes.
4227         (frob_ti_tf): New.
4228         (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
4229         more modes.
4230         (frob_ti_<mode>_8_2): New.
4231         (frob_ti_tf_2): New.
4232         (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
4233         mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
4234         TFmode.
4235         (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
4236         mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
4237         (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
4238         spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
4239         spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
4240         (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
4241         tsttflt_gp): New.
4243 2007-01-23  Ian Lance Taylor  <iant@google.com>
4245         * Makefile.in (OBJS-common): Reformat, alphabetize, but put
4246         insn-*.o first.
4247         (OBJS-archive): Reformat, alphabetize.
4248         (OBJS): Change out_object_file to OBJS-md.
4250 2007-01-23  Uros Bizjak  <ubizjak@gmail.com>
4252         * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
4253         JUMP_P and CALL_P predicates where applicable.
4254         * config/i386/i386.c: Ditto.
4255         * config/i386/i386.md: Ditto.
4256         * config/i386/mmx.md: Ditto.
4257         * config/i386/predicates.md: Ditto.
4259 2007-01-22  Andreas Schwab  <schwab@suse.de>
4261         * config/m68k/m68k.h: Fix comment.
4263 2007-01-22  Jan Hubicka  <jh@suse.cz>
4265         * passes.c (init_optimization_passes): Do not rerun
4266         pass_early_warn_uninitialized.
4268 2007-01-22  Richard Guenther  <rguenther@suse.de>
4270         PR tree-optimization/30038
4271         * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
4272         function.
4273         (execute_cse_sincos_1): Likewise.
4274         (execute_cse_sincos): Likewise.
4275         (gate_cse_sincos): Likewise.
4276         (pass_cse_sincos): New pass CSEing sin() and cos() calls using
4277         the cexpi() canonicalization of sincos().
4278         * tree-pass.h (pass_cse_sincos): Declare.
4279         * passes.c (init_optimization_passes): New pass pas_cse_sincos.
4281 2007-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
4283         PR rtl-optimization/29329
4284         * combine.c (replaced_rhs_insn): Rename to i2mod.
4285         (replaced_rhs_value): Rename to i2mod_new_rhs.
4286         (i2mod_old_rhs): New global variable.
4287         (combine_instructions): Adjust for above change.  Save a copy of
4288         the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
4289         note are substituted in the second instruction.
4290         (distribute_notes) <REG_DEAD>: Adjust for above change.  Do not
4291         ditch the note if it pertains to the second eliminated register
4292         and this register is mentioned in i2mod_old_rhs.
4294         Revert:
4295         2006-09-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
4297         * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
4298         the insn to which the note was originally attached.
4300 2007-01-21  Jan Hubicka  <jh@suse.cz>
4302         * ipa-inline.c (inlining_mode): Comment, move up.
4303         (cgraph_decide_inlining_incrementally): Do not perform inlining
4304         itself; fix handling of flattening of self recursive functions.
4305         (cgraph_find_cycles): Remove.
4306         (cgraph_flatten_node): Remove.
4307         (cgraph_decide_inlining): Use incremental inliner to handle flattening.
4308         (try_inline): New function.
4309         (cgraph_early_inlining): Update call of
4310         cgraph_decide_inlining_incrementally.  Apply inlining here.
4311         (apply_inline): Update call of cgraph_decide_inlining_incrementally.
4313 2007-01-21  Dirk Mueller  <dmueller@suse.de>
4315         PR bootstrap/30511
4316         * tree-vrp.c (check_array_bounds): do not warn
4317         about ADDR_EXPR's of ARRAY_REF's which are immediately
4318         used in binary expressions.
4320 2007-01-21  Ira Rosen  <irar@il.ibm.com>
4322         * tree-vectorizer.h (struct _stmt_vec_info): Add new field
4323         read_write_dep and macros for its access.
4324         * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
4325         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
4326         argument, call vect_check_interleaving for every independent pair of
4327         data-refs. Mark loads that access the same memory location as a store
4328         in the loop.
4329         (vect_check_dependences): Remove.
4330         (vect_analyze_data_ref_dependences): Remove  vect_check_dependences
4331         call, fix the call to vect_analyze_data_ref_dependence.
4332         (vect_analyze_data_ref_access): For statements that access the same
4333         data-ref, check that they are not stores; for loads, check that there
4334         is no store that access the same location.
4336 2007-01-20  Roger Sayle  <roger@eyesopen.com>
4337             Joseph Myers  <joseph@codesourcery.com>
4339         * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
4340         (-fdump-rtl-stack): Likewise.
4341         (-fno-signed-zeros): Use @minus{} for a minus sign.  Correct typo.
4342         (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
4343         (-mpt-fixed): Use @minus{} for minus sign.
4344         (Using Precompiled Headers): Fix under/overfull hbox.
4346 2007-01-20  Jan Hubicka  <jh@suse.cz>
4348         * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
4349         place within annotation.
4351 2007-01-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4353         * pa.c (output_move_double): Change array size of xoperands to 4.
4355 2007-01-20  Jan Hubicka  <jh@suse.cz>
4357         * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
4358         as temporary.
4360 2007-01-19  Ian Lance Taylor  <iant@google.com>
4362         * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
4363         constant to unsigned HOST_WIDE_INT before negating.
4365 2007-01-19  Ian Lance Taylor  <iant@google.com>
4367         * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
4368         to unsigned.
4369         (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
4370         (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
4371         (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
4372         (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
4373         (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
4374         (realloc_vdef, realloc_vuse): Change second parameter to
4375         unsigned.
4376         (ssa_operand_iterator_d): Change vuse_index and mayuse_index
4377         fields to unsigned.
4378         * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
4379         unsigned. Change x and lim locals to unsigned.
4380         (realloc_vdef, realloc_vuse): Change num_elem parameter to
4381         unsigned.
4382         (finalize_ssa_vuse_ops): Change old_i local to unsigned.
4383         (copy_virtual_operands): Change i and n locals to unsigned.
4385 2007-01-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4387         PR middle-end/29335
4388         * builtins.c (fold_builtin_1): Handle builtin fdim.
4390 2007-01-20  Jan Hubicka  <jh@suse.cz>
4392         * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
4393         * tree-ssa-structalias.c (compute_points_to_sets): Do call
4394         init_alias_heapvars.
4395         (init_alias_heapvars): Initialize only when not already initialized.
4396         (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
4398 2007-01-19  Roger Sayle  <roger@eyesopen.com>
4400         * common.opt (fsigned-zeros): New command line option.
4401         * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
4402         of flag_unsafe_math_optimizations.
4403         * opts.c (set_fast_math_flags): The -ffast-math command line option
4404         implies -fno-signed-zeros.
4405         (fast_math_flags_set_p): Likewise.
4407         * doc/invoke.texi: Document new -fno-signed-zeros option, and update
4408         the documentation of -ffast-math appropriately.  Wrap long lines.
4410 2007-01-19  Steve Ellcey  <sje@cup.hp.com>
4412         * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
4413         * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
4415 2007-01-19  Tomas Bily  <tbily@suse.cz>
4417         * cgraphunit.c (cgraph_finalize_function): Updating of pid
4418         * tree-profile.c:
4419         (tree_init_ic_make_global_vars): New function
4420         (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
4421         (tree_gen_ic_profiler): New function
4422         (tree_gen_ic_func_profiler): New function
4423         (tree_profiling): Added calling of tree_gen_ic_func_profiler
4424         (tree_profile_hooks): Added hook for indirec/virtual calls
4425         * value-prof.c (tree_find_values_to_profile): New case for
4426         indirect calls
4427         (tree_values_to_profile): Call for determining indirect/virtual
4428         counters
4429         (tree_indirect_call_to_profile): New function
4430         (tree_ic_transform): New function
4431         (tree_ic): New function
4432         (find_func_by_pid): New function
4433         (init_pid_map): New function
4434         (tree_value_profile_transformations): Added check for
4435         indirect/virtual call transformation
4436         * value-prof.h (enum hist_type): New counter type for
4437         indirect/virtual calls
4438         (profile_hooks): Added new hook for profiling indirect/virtual
4439         calls
4440         * profile.c (instrument_values): New case for indirect/virtual
4441         call added
4442         * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
4443         (GCOV_COUNTER_V_INDIR): New counter type
4444         (GCOV_COUNTER_NAMES): New name of counter "indirect" added
4445         (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
4446         call added
4447         * cgraph.c: Definition of cgraph_max_pid
4448         (cgraph_create_node): Default init of pid attribute
4449         * cgraph.h: Declaration of cgraph_max_pid
4450         (struct cgraph_node): Added pid attribute
4451         * libgcov.c (__gcov_indirect_call_profiler): New function
4452         (__gcov_one_value_profiler_body): New function
4453         (__gcov_one_value_profiler): Body was moved to
4454         __gcov_one_value_profiler_body and calls it
4456 2007-01-19  Basile Starynkevitch  <basile@starynkevitch.net>
4458         * doc/gty.texi (Options): Document the mark_hook option to GTY.
4459         * gengtype.c (write_types_data, write_func_for_structure,
4460         write_types, ggc_wtd, pch_wtd): Add skip_hooks to
4461         write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
4462         (walk_type, write_func_for_structure): Generate the mark_hook if
4463         needed.
4465 2007-01-19  Jan Hubicka  <jh@suse.cz>
4467         * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
4468         'early' argument take inlining mode argument specifying whether to
4469         inline for size/speeed or all functions; add support for flattening;
4470         improve dumpting.
4471         (cgraph_early_inlining): Update call of decide_inlining_incrementally.
4473 2007-01-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4475         PR c++/17947
4476         * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
4477         the name of the declared identifier.
4479 2007-01-19  Dirk Mueller  <dmueller@suse.de>
4481         * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
4482         result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
4483         duplicate evaluation.
4485 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
4487         * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
4488         Macroize expander using X87MODEF12 mode macro.  Extend operand 1
4489         to XFMode, use acosxf2 and truncate result to requested mode.
4490         Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
4491         (asin<mode>2): Similarly, with asin expanders.
4492         (*fscalexf4_i387): Rename from *fscalexf4.
4493         (expNcorexf3): New expander.
4494         (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
4495         (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
4496         X87MODEF12 mode macro.  Extend operand 1 to XFMode, use expxf2 and
4497         truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
4498         patterns for SSE math.
4499         (exp10<mode>2): Similarly, with exp10 expanders.
4500         (exp2<mode>2): Similarly, with exp2 expanders.
4501         (expm1<mode>2): Similarly, with expm1 expanders.
4502         (ldexp<mode>3): Similarly, with ldexp expanders.
4503         (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
4504         Use gen_truncxf<mode>2_i387_noop to truncate result.
4506 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
4508         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
4509         for ColdFire targets.
4511 2007-01-19  Nathan Sidwell  <nathan@codesourcery.com>
4512             Richard Sandiford  <richard@codesourcery.com>
4514         * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
4515         (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
4516         (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
4517         * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
4518         (M68K_STATIC_CHAIN_REG_NAME): Likewise.
4519         * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
4521 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
4523         * config/m68k/m68k.md (adddi_dilshr32): Rename to...
4524         (*adddi_dilshr32): ...this.  Fix formatting.  Remove commented-out
4525         non-canonical pattern.  Restrict to !TARGET_COLDFIRE.
4526         (*adddi_dilshr32_cf): New pattern.
4527         (adddi3, subdi3): Remove first alternatives.
4529 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
4531         * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
4532         implemented using move.l, do not use its cc result for floating-point
4533         comparisons.
4535 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
4537         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
4538         from accepting 's' constraints if flag_pic.
4540 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
4542         * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
4543         (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
4544         (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
4545         condition from TARGET_68881 to TARGET_HARD_FLOAT.
4547 2007-01-19  Sandra Loosemore  <sandra@codesourcery.com>
4549         * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
4550         ColdFire alternatives.
4551         * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
4552         * config/m68k/m68k.md (clzsi2):  Define for ColdFire
4553         architectures that support ff1 instruction.
4555 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
4556             Julian Brown  <julian@codesourcery.com>
4558         * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
4559         * config/m68k/m68k.md (*movsi_cfv4): Fold into...
4560         (*movsi_cf): ...here.  Remove unnecessary 'R' from 'Rg'.
4561         Add commentary.
4563 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
4565         * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
4566         and return a bool.
4567         (output_move_const_into_data_reg, output_move_simode_const): Delete.
4568         * config/m68k/m68k.c (const_method, const_int_cost): Take a
4569         HOST_WIDE_INT instead of an rtx.
4570         (m68k_rtx_costs): Update call accordingly.
4571         (output_move_const_into_data_reg): Likewise.  Fix formatting.
4572         (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
4573         Return a bool.
4574         (output_move_simode_const): Update calls after above changes.
4575         Rework to use automatic variables and predicates like MEM_P.
4576         * config/m68k/m68k.md (pushexthisi_const): Update call to
4577         valid_mov3q_const.
4579 2007-01-19  Dirk Mueller  <dmueller@suse.de>
4581         * tree-ssa-alias.c (perform_var_substitution): Fix typo
4582         in dump_flags test.
4584 2007-01-19  Richard Guenther  <rguenther@suse.de>
4586         * builtins.c (expand_builtin_cexpi): Fall back to expanding
4587         via cexp in case sincos is not available.
4589 2007-01-19  Richard Guenther  <rguenther@suse.de>
4591         * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
4592         * defaults.h (TARGET_HAS_SINCOS): Default to off.
4593         * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
4594         * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
4595         * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
4596         * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
4597         * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
4598         * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
4600 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
4602         * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
4603         New insn patterns.
4604         (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
4605         (atan2xf3): Directly generate RTL pattern.
4606         (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
4607         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
4608         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
4609         disable patterns for SSE math.
4610         (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
4611         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
4612         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
4613         disable patterns for SSE math.
4615 2007-01-19  Alexandre Oliva  <aoliva@redhat.com>
4617         * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
4619 2007-01-18  Roger Sayle  <roger@eyesopen.com>
4621         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
4622         VIEW_CONVERT_EXPR to the same type as it's operand.
4624 2007-01-18  David Edelsohn  <edelsohn@gnu.org>
4626         * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
4627         configured for long double 128.
4629 2007-01-18  Mike Stump  <mrs@apple.com>
4631         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
4632         error.
4634 2007-01-18  Michael Meissner  <michael.meissner@amd.com>
4636         * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
4637         type correct.
4639 2007-01-18  Jan Hubicka  <jh@suse.cz>
4641         * tree-ssa-operands.c (vop_free_bucket_size): Never return value
4642         greater than NUM_VOP_FREE_BUCKETS.
4644 2007-01-18  Daniel Berlin  <dberlin@dberlin.org>
4646         * tree-ssa-structalias.c: Update comments.
4647         (ptabitmap_obstack): Removed.
4648         (pta_obstack): New.
4649         (oldpta_obstack): Ditto.
4650         (stats): Add a few members.
4651         (struct variable_info): Remove node, complex, address_taken, and
4652         indirect_target members. Add oldsolution member.
4653         (new_var_info): Do not initialize removed members.
4654         (constraint_expr_type): Remove INCLUDES.
4655         (constraint_graph): Add size, implicit_preds, rep,
4656         indirect_cycles, eq_rep, label, direct_nodes, and complex members.
4657         (FIRST_REF_NODE): New macro.
4658         (LAST_REF_NODE): Ditto.
4659         (FIRST_ADDR_NODE): Ditto.
4660         (find): New function.
4661         (unite): Ditto.
4662         (dump_constraint): Do not handle INCLUDES.
4663         (insert_into_complex): Do not insert duplicate constraints.
4664         (condense_varmap_nodes): Renamed and rewritten into ...
4665         (merge_node_constraints): This. Also fix bug in handling of
4666         offseted copy constraints.
4667         (clear_edges_for_node): No longer need to deal with preds at all,
4668         or removing associated preds/succs.
4669         (merge_graph_nodes): Deal with indirect_cycles.
4670         Don't deal with predecessors.
4671         (add_implicit_graph_edge): New function.
4672         (add_pred_graph_edge): Ditto.
4673         (add_graph_edge): Don't deal with predecessors.
4674         (build_constraint_graph): Removed.
4675         (build_pred_graph): New function.
4676         (build_succ_graph): Ditto.
4677         (struct scc_info): Removed in_component. Added roots, dfs, and
4678         node_mapping. Remove visited_index, unification_queue.
4679         (scc_visit): Deal with union-find we do now.
4680         Deal with cycles with REF nodes.
4681         (collapse_nodes): Renamed and rewritten to ...
4682         (unify_nodes): This.
4683         (process_unification_queue): Removed.
4684         (topo_visit): Cleanup
4685         (do_da_constraint): Use find.
4686         (do_sd_constraint): Ditto.
4687         (do_ds_constraint): Ditto.
4688         (do_complex_constraint): Ditto.
4689         (init_scc_info): Update for removed and added members.
4690         (find_and_collapse_graph_cycles): Renamed and rewritten into ...
4691         (find_indirect_cycles): This.
4692         (equivalence_class): New variable.
4693         (label_visit): New function.
4694         (perform_variable_substitution): Rewritten.
4695         (free_var_substitution_info): New function.
4696         (find_equivalent_node): Ditto.
4697         (move_complex_constraints): Ditto.
4698         (eliminate_indirect_cycles): Ditto.
4699         (solve_graph): Only propagate changed bits.
4700         Use indirect cycle elimination.
4701         Use find.
4702         (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
4703         (tree_id_eq): Renamed to ...
4704         (tree_vi_eq): This. Update for member change
4705         (insert_id_for_tree): Renamed and rewritten to ...
4706         (insert_vi_for_tree): This.
4707         (lookup_id_for_tree): Renamed and rewritten to ...
4708         (lookup_vi_for_tree): This.
4709         (get_id_for_tree): Renamed and rewritten to ...
4710         (get_vi_for_tree): Ditto.
4711         (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
4712         (process_constraint): Don't handle INCLUDES.
4713         Remove special ADDRESSOF case.
4714         (find_func_aliases): Rewrite to use vi functions instead of id
4715         ones.
4716         (create_function_info_for): Ditto.
4717         (create_variable_info_for): Ditto.
4718         (intra_create_variable_infos): Ditto.
4719         (merge_smts_into): Ditto.
4720         (find_what_p_points_to): Ditto.
4721         (init_base_vars): Ditto.
4722         (init_alias_vars): Ditto.
4723         (remove_preds_and_fake_succs): New function.
4724         (dump_sa_points_to_info): Dump new stats.
4725         (dump_solution_for_var): Use find.
4726         (set_used_smts): Fix formatting.
4727         (compute_points_to_sets): Updated for new functions.
4728         (ipa_pta_execute): Ditto.
4730 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
4731             Richard Sandiford  <richard@codesourcery.com>
4733         * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
4734         parallels.
4735         * calls.c (expand_call): If the return value is a PARALLEL,
4736         extract its first member.
4737         * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
4738         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
4739         use FUNCTION_EXTRA_EPILOGUE.
4740         (m68k_function_value): Return a PARALLEL if the return value
4741         is of a pointer type.
4742         * config/m68k/netbsd-elf.h (current_function_returns_pointer)
4743         (FUNCTION_EXTRA_EPILOGUE): Remove.
4744         * config/m68k/m68k.md (D0_REG): New constant.
4746 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
4748         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
4749         output a NOP for empty epilogues.
4751 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4753         * config/m68k/m68k.c (m68k_use_return_insn): Update comments
4754         before function.  Extend register save check to include all
4755         registers, not just integer ones.
4757 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
4759         * config/m68k/m68k-protos.h (use_return_insn): Rename to...
4760         (m68k_use_return_insn): ...this.
4761         * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
4762         * config/m68k/m68k.c (use_return_insn): Rename to...
4763         (m68k_use_return_insn): ...this.
4764         * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
4765         of USE_RETURN_INSN.
4767 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
4769         * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
4770         nearest even, fix denormal rounding overflow.
4772 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4774         * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
4775         f%$smove and f%$move.
4776         (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
4777         (extendsfdf2_cf): Use fdmove instead of f%&move.
4778         (truncdfsf2_cf): Use fsmove instead of f%$smove.
4779         (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
4781 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4783         * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
4784         GPR<-GPR moves.
4786 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4788         * real.h (real_format): Add a canonical_nan_lsbs_set field.
4789         (coldfire_single_format): Declare.
4790         (coldfire_double_format): Likewise.
4791         * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
4792         of qnan_msb_set to determine the lower bits of a canonical
4793         NaN significand.
4794         (encode_ieee_double): Likewise.
4795         (encode_ieee_quad): Likewise.
4796         (ieee_single_format): Initialize canonical_nan_lsbs_set.
4797         (mips_single_format): Likewise.
4798         (ieee_double_format): Likewise.
4799         (mips_double_format): Likewise.
4800         (ieee_extended_motorola_format): Likewise.
4801         (ieee_extended_intel_96_format): Likewise.
4802         (ieee_extended_intel_128_format): Likewise.
4803         (ieee_extended_intel_96_round_53_format): Likewise.
4804         (ibm_extended_format): Likewise.
4805         (mips_extended_format): Likewise.
4806         (ieee_quad_format): Likewise.
4807         (mips_quad_format): Likewise.
4808         (vax_f_format): Likewise.
4809         (vax_d_format): Likewise.
4810         (vax_g_format): Likewise.
4811         (i370_single_format): Likewise.
4812         (i370_double_format): Likewise.
4813         (decimal_single_format): Likewise.
4814         (decimal_double_format): Likewise.
4815         (decimal_quad_format): Likewise.
4816         (c4x_single_format): Likewise.
4817         (c4x_extended_format): Likewise.
4818         (real_internal_format): Likewise.
4819         (coldfire_single_format): New real_format.
4820         (coldfire_double_format): Likewise.
4821         * config/pdp11/pdp11.c (pdp11_f_format): Initialize
4822         canonical_nan_lsbs_set.
4823         (pdp11_d_format): Likewise.
4824         * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
4825         if TARGET_COLDFIRE_CPU.
4827 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4829         * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
4830         (output_call, m68k_legitimize_call_address): Declare.
4831         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
4832         parenthesees.  Add support for a 'W' constraint.
4833         (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
4834         (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
4835         (m68k_symbolic_call, m68k_symbolic_jump): Declare.
4836         * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
4837         variables.
4838         (override_options): Initialize them.  Do not set flag_no_function_cse
4839         for TARGET_ID_SHARED_LIBRARY.
4840         (m68k_output_pic_call): Delete.
4841         (m68k_legitimize_call_address): New function.
4842         (print_operand): Remove the %o prefix.  Handle the %p prefix.
4843         (output_call): New function.
4844         (m68k_output_mi_thunk): Use m68k_symbolic_jump.  Always load the
4845         target address from the GOT if symbolic jumps are not allowed.
4846         * config/m68k/m68k.md (call, general_operand): Do not set
4847         SYMBOL_REF_FLAG.  Use m68k_legitimize_call_address instead.
4848         Merge separate flag_pic and !flag_pic define_insns into...
4849         (*call, *call_value): ...these new patterns.  Match the address
4850         rather than the containing MEM and require it to be a call_operand.
4851         Use output_call to generate the asm template.
4852         * config/m68k/predicates.md (const_call_operand): New predicate.
4853         (call_operand): Likewise.
4855 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
4857         * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
4858         (STACK_GROWS_DOWNWARD): Define to 1.
4859         (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
4860         comments, emphasizing that these values are only defaults.
4861         * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
4862         * config/m68k/m68k.c (const_method): Remove trailing whitespace.
4864 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4866         * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
4868 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
4869             Richard Sandiford  <richard@codesourcery.com>
4871         * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
4872         (FP_REGNO_P): New macros.
4873         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
4874         (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
4875         (EH_RETURN_STACKADJ_RTX): Use A0_REG.
4876         * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
4878 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
4880         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
4881         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
4882         to $tmake_file.
4883         * config/m68k/t-floatlib: New file, extracting common code from...
4884         * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
4885         * config/m68k/t-uclinux: Here.
4886         * config/m68k/fpgnulib.c: Do not compile extendeed precision
4887         routines on ColdFire targets.
4889 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
4891         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
4892         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
4893         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
4894         (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
4895         explicitly set MOTOROLA to 1.
4896         * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
4898 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4899             Nathan Sidwell  <nathan@codesourcery.com>
4901         * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
4902         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
4903         * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
4904         * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
4905         * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
4906         * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
4907         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
4908         (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
4909         (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
4910         * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
4911         * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
4912         (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
4913         (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
4914         (DBX_REGISTER_NUMBER): Delete.
4915         * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
4916         (PCC_STATIC_STRUCT_RETURN): Don't undefine.
4917         * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
4919 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4921         * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
4922         * config/flat.h: New file.
4923         * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
4924         OBJECT_FORMAT_FLAT.
4925         * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
4926         indirect references for -msep-data or -mid-shared-library.
4927         Do not use PC-relative code addresses either.
4928         * config/m68k/m68k.c (override_options): Restrict -fPIC error
4929         to -mpcrel.
4930         * config/m68k/uclinux.h (STARTFILE_SPEC): Define.  Use Scrt1.o
4931         for shared libraries and crt1.o for executables.  Use crti.o and
4932         crtbegin.o.
4933         (ENDFILE_SPEC): Use crtend.o and crtn.o.
4934         (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
4935         Do not add -elf2flt or -shared-lib-id options here.
4936         (LINK_SPEC): Define.  Pass -elf2flt if no -elf2flt option is given.
4937         Pass -shared-lib-id if -mid-shared-library, taking the library
4938         identifier from -mshared-library-id if given, otherwise
4939         defaulting to 0.
4940         (EH_FRAME_IN_DATA_SECTION): Do not undefine.
4941         (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
4942         (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
4943         and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
4944         (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
4945         * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
4946         and crtend.o.
4947         * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
4948         jump sequence for ISA A and ISA A+.
4949         (PICJUMP): Likewise.
4951 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4953         * config.gcc (m68k-*-uclinux*): Base the port on the common
4954         and m68k GNU/Linux files rather than on the generic ELF ones.
4955         * config/m68k/uclinux.h (TARGET_VERSION): Override.
4956         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
4958 2007-01-18  Julian Brown  <julian@codesourcery.com>
4959             Richard Sandiford  <richard@codesourcery.com>
4961         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
4962         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
4963         * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
4964         before redefining.
4965         * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
4966         80 unconditionally.
4967         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
4969 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4971         * doc/install.texi: Document m68k-uclinuxoldabi.
4972         * config.gcc (m68k-*-uclinuxoldabi): New configuration.
4973         * config/m68k/uclinux-oldabi.h: New file, copied from
4974         config/m68k/uclinux.h.
4976 2007-01-18  Kaz Kojima  <kkojima@rr.iij4u.or.jp>
4978         * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
4979         * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
4980         (m32r_compute_frame_size): Use unsigned for regno.
4981         (m32r_reload_lr): Use gen_frame_mem.
4982         (pop): New.
4983         (m32r_output_function_epilogue): Don't output the function epilogue
4984         textually here.
4985         (m32r_expand_epilogue): New.
4986         (direct_return): Return false if the function has the interrupt
4987         attribute.
4988         (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
4989         * config/m32r/m32r.md (epilogue): New expander.
4990         (return_lr, return_rte): New insns.
4991         (return): Make it expander.
4992         (return_normal): New expander.
4994 2007-01-18  Josh Conner  <jconner@apple.com>
4996         PR target/30485
4997         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
4998         support for UNLE, UNLT, UNGE, and UNGT.
5000 2007-01-18  Jan Hubicka  <jh@suse.cz>
5002         * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
5003         * tree-tailcall (add_virtual_phis): Likewise.
5004         (optimize_tail_call): Return TODOs.
5005         (execute_tail_calls): Return TODOs.
5006         * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
5007         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
5008         changed.
5009         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
5010         Cleanup cfg using TODO.
5011         * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
5012         * passes.c (execute_function_todo): When cleanup did something, remove
5013         unused locals.
5014         * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
5015         (make_edges): Don't cleanup_cfg.
5017 2007-01-18  Uros Bizjak  <ubizjak@gmail.com>
5019         * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
5020         UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
5021         operate on the top of stack.
5022         [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
5023         register handling of instructions that output to the second
5024         stack slot.
5025         [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
5026         (move_for_stack_reg): Special-case check for dead destination
5027         stack slot for constant load of 1.0 inside UNSPEC_TAN.
5029         * config/i386/i386.md (UNSPEC_TAN): New constant.
5030         (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
5031         (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
5032         to correctly model move of constant 1.0 to top stack slot.
5033         (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
5034         (unnamed peephole2 pattern): Remove corresponding peephole2
5035         pattern that optimizes tan insn and loading of constant 1.0.
5036         (tanxf2): Use fptanxf4_i387.
5037         (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
5038         patterns using X87MODEF12 mode macro.  Use fptan_extend<mode>xf4_i387
5039         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
5040         disable patterns for SSE math.
5041         (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
5042         (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
5044 2007-01-18  Dirk Mueller  <dmueller@suse.de>
5045             Richard Guenther <rguenther@suse.de>
5047         PR diagnostic/8268
5048         * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
5049         * common.opt (Warray-bounds): Add new warning option.
5050         * c-opts.c (c_common_handle_option): Define -Warray-bounds
5051         if -Wall is given.
5052         * Makefile.in: make tree-vrp.o depend on toplev.h
5053         * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
5054         is enabled.
5055         (check_array_refs, check_array_bounds, check_array_ref): New.
5057 2007-01-18  Jan Hubicka  <jh@suse.cz>
5059         * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
5060         (execute_ssa_ccp): Return flags conditionally.
5061         * tree-ssa-propagate.c (substitue_and_fold): Return if something was
5062         changed.
5063         * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
5065 2007-01-18  Steven Bosscher  <steven@gcc.gnu.org>
5067         * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
5068         the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
5070         * Makefile.c (GTFILES): Add cfglayout.h.
5071         * gengtype.c (open_base_files): Likewise.
5072         * cfglayout.c (cfg_layout_function_footer,
5073         cfg_layout_function_header) Reindent to make gengtype happy.
5074         * cfglayout.h (cfg_layout_function_footer,
5075         cfg_layout_function_header): Add GTY(()) marker.
5077         * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
5079 2007-01-18  Ben Elliston  <bje@au.ibm.com>
5081         * genautomata.c (write_automata): Include xstrerror output in the
5082         error message if writing the DFA description file fails.
5084 2007-01-17  H.J. Lu  <hongjiu.lu@intel.com>
5086         * config/mips/mips-protos.h (mips_output_external): Make it
5087         return void.
5088         * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
5089         * config/mips/mips.c (irix_output_external_libcall): Likewise.
5090         (extern_list): Likewise.
5091         (extern_head): Likewise.
5092         (TARGET_ASM_FILE_END): Likewise.
5093         (mips_file_end): Likewise.
5094         (mips_output_external): Rewritten.
5096 2007-01-18  Ben Elliston  <bje@au.ibm.com>
5098         * genpreds.c (write_insn_preds_c): Only write out the function
5099         body for regclass_for_constraint if we have register constraints.
5101 2007-01-17  Tom Tromey  <tromey@redhat.com>
5103         * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
5104         * doc/install.texi (Testing): Use sourceware.org.
5105         (Binaries): Likewise.
5106         (Specific): Likewise.
5107         * doc/contrib.texi (Contributors): Use sourceware.org.
5109 2007-01-17  Anatoly Sokolov <aesok@post.ru>
5111         * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
5112         (AVR_ENHANCED): Rename to ...
5113         (AVR_HAVE_MUL): ... new.
5114         (avr_enhanced_p): Rename to ...
5115         (avr_have_mul_p): ... new.
5116         (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of
5117         'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
5118         * config/avr/avr.c (avr_enhanced_p): Rename to ...
5119         (avr_have_mul_p): ... new.
5120         (base_arch_s): Rename 'enhanced' to 'have_mul'.
5121         (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
5122         'avr_enhanced_p' and 'enhanced'.
5123         (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use
5124         AVR_HAVE_MUL instead of AVR_ENHANCED.
5125         * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
5126         (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3,
5127         *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL
5128         instead of AVR_ENHANCED.
5129         (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
5130         * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
5131         (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
5133 2007-01-17  Ian Lance Taylor  <iant@google.com>
5135         * vec.h (VEC_reserve_exact): Define.
5136         (vec_gc_p_reserve_exact): Declare.
5137         (vec_gc_o_reserve_exact): Declare.
5138         (vec_heap_p_reserve_exact): Declare.
5139         (vec_heap_o_reserve_exact): Declare.
5140         (VEC_OP (T,A,reserve_exact)): New static inline function, three
5141         versions.
5142         (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
5143         negative parameter.
5144         (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
5145         (VEC_OP (T,A,copy)) [all versions]: Likewise.
5146         (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
5147         * vec.c (calculate_allocation): Add exact parameter.  Change all
5148         callers.
5149         (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
5150         (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
5151         (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
5152         (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
5153         (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
5154         (vec_heap_p_reserve_exact): New function.
5155         (vec_heap_o_reserve_exact): New function.
5157 2007-01-17  Jan Hubicka  <jh@suse.cz>
5159         * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
5161 2007-01-17  Eric Christopher  <echristo@apple.com>
5163         * config.gcc: Support core2 processor.
5165 2007-01-16  Jan Hubicka  <jh@suse.cz>
5167         * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
5168         the names, just unlink the chain so we don't crash on dangling pointers
5169         to dead SSA names.
5171 2007-01-16  Jan Hubicka  <jh@suse.cz>
5173         * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
5174         * tree-pass.h: Reorder to make IPA passes appear toegher.
5175         (pass_early_inline, pass_inline_parameters, pass_apply_inline): Declare.
5176         * cgraphunit.c (cgraph_finalize_function): Do not compute inling
5177         parameters, do not call early inliner.
5178         * ipa-inline.c: Update comments.  Include tree-flow.h
5179         (cgraph_decide_inlining): Do not compute inlining parameters.
5180         (cgraph_decide_inlining_incrementally): Return TODOs; assume to
5181         be called with function context set up.
5182         (pass_ipa_inline): Remove unreachable functions before pass.
5183         (cgraph_early_inlining): Simplify assuming to be called from the
5184         PM as local pass.
5185         (pass_early_inline): New pass.
5186         (cgraph_gate_ipa_early_inlining): New gate.
5187         (pass_ipa_early_inline): Turn into simple wrapper.
5188         (compute_inline_parameters): New function.
5189         (gate_inline_passes): New gate.
5190         (pass_inline_parameters): New pass.
5191         (apply_inline): Move here from tree-optimize.c
5192         (pass_apply_inline): New pass.
5193         * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
5194         transforming.
5195         * tree-inline.c (optimize_inline_calls): Return TODOs rather than
5196         doing them by hand.
5197         (tree_function_versioning): Do not allocate dummy struct function.
5198         * tree-inline.h (optimize_inline_calls): Update prototype.
5199         * tree-optimize.c (execute_fixup_cfg): Export.
5200         (pass_fixup_cfg): Remove
5201         (tree_rest_of_compilation): Do not apply inlines.
5202         * tree-flow.h (execute_fixup_cfg): Declare.
5203         * Makefile.in (gt-passes.c): New.
5204         * passes.c: Include gt-passes.h
5205         (init_optimization_passes): New passes.
5206         (nnodes, order): New static vars.
5207         (do_per_function_toporder): New function.
5208         (execute_one_pass): Dump current pass here.
5209         (execute_ipa_pass_list): Don't dump current pass here.
5211 2007-01-16  Janis Johnson  <janis187@us.ibm.com>
5213         * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
5214         (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
5216 2007-01-16  David Edelsohn  <edelsohn@gnu.org>
5218         * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
5219         (strong_alias): Define.
5220         (__gcc_qmul): Provide non-FMA for soft-float.
5221         (__gcc_qdiv): Same.
5222         (__gcc_qneg): New.
5223         (__gcc_qeq): New.
5224         (__gcc_qle): New.
5225         (__gcc_qge): New.
5226         (__gcc_qunord): New.
5227         (__gcc_stoq): New.
5228         (__gcc_dtoq): New.
5229         (__gcc_qtos): New.
5230         (__gcc_qtod): New.
5231         (__gcc_qtoi): New.
5232         (__gcc_qtou): New.
5233         (__gcc_itoq): New.
5234         (__gcc_utoq): New.
5235         (fmsub): New.
5236         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
5237         soft-float functions.
5238         * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
5239         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
5240         about long double soft float.
5242 2007-01-16  Dorit Nuzman  <dorit@il.ibm.com>
5243             Tehila Meyzels  <tehila@il.ibm.com>
5245         * tree-vectorizer.h (is_pattern_stmt_p): New.
5246         * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
5247         formatting (tabs instead of spaces). Cleanup and clarify setting
5248         of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
5249         * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
5250         (vectorizable_type_demotion): Check that types are integral.
5251         (vectorizable_type_promotion): Likewise.
5252         (vectorizable_store): Fix typo.  Eliminate new-line at end of
5253         comments.
5255 2007-01-16  Jan Hubicka  <jh@suse.cz>
5257         * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
5258         cgraph edges too.
5260 2007-01-15  Eric Christopher  <echristo@apple.com>
5262         * ifcvt.c: Include vec.h, vecprim.h.
5263         (check_cond_move_block): New argument regs.
5264         Reorganize. Add registers used to regs.
5265         (cond_move_process_if_block): Use regs set above as
5266         loop bounds.
5268 2007-01-15  Eric Christopher  <echristo@apple.com>
5270         * config/darwin.h: Update copyright.
5271         (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
5272         (LINK_COMMAND_SPEC): Add -u.
5273         (LINK_SPEC): Fix umbrella for above.
5275 2007-01-15  Joseph S. Myers  <joseph@codesourcery.com>
5277         * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
5278         glibc CVS.
5280 2007-01-15  Tom Tromey  <tromey@redhat.com>
5282         * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
5283         * doc/install.texi (Testing): Don't mention jacks.
5284         (Configuration): Document --enable-java-maintainer-mode.  Move
5285         --with-java-home to libgcj-specific section.  Document
5286         --with-ecj-jar.
5287         (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
5289 2007-01-15  Jan Hubicka  <jh@suse.cz>
5291         * tree-ssa-dce.c (DCE_TODOs): New.
5292         (propagate_necessity): Return if something changed.
5293         (eliminate_unnecessary_stmts): Likewise.
5294         (perform_tree_ssa_dce): Return TODO flags when needed.
5295         (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
5297 2007-01-15  Uros Bizjak  <ubizjak@gmail.com>
5299         * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
5300         (fyl2x_extend<mode>xf3_i387): New insn pattern.
5301         (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
5302         patterns using X87MODEF12 mode macro.  Extend operand 1
5303         to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
5304         (log10<mode>2): Ditto.
5305         (log2<mode>2): Ditto.
5306         (log1p<mode>2): Ditto.
5307         (logb<mode>2): Ditto.
5308         (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
5309         (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
5310         (*fxtractxf3_i387): Rename from *fxtractxf3.
5311         (fxtract_extend<mode>xf3_i387): New insn pattern.
5312         (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
5313         * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
5314         and gen_fyl2xxf3_i387().
5316 2007-01-14  Zdenek Dvorak <dvorakz@suse.cz>
5318         * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
5319         * cfgloopmanip.c (fix_loop_placement): Made static.  Use
5320         get_loop_exit_edges.  Changed return type to bool.
5321         * cfgloop.h (fix_loop_placement): Declaration removed.
5323 2007-01-14  Dorit Nuzman  <dorit@il.ibm.com>
5325         * param.h (MIN_VECT_LOOP_BOUND): New.
5326         * params.def (MIN_VECT_LOOP_BOUND): New.
5327         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
5328         argument - minimum threshold for number of iterations.
5329         * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
5330         argument to declaration.
5331         * tree-vect-analyze.c (vect_analyze_operations): Check value of
5332         MIN_VECT_LOOP_BOUND.
5333         * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
5334         slpeel_tree_peel_loop_to_edge with additional argument.
5335         (vect_do_peeling_for_alignment): Likewise.
5336         * doc/invoke.texi (min-vect-loop-bound): Document new param option.
5338 2007-01-14  Uros Bizjak  <ubizjak@gmail.com>
5340         PR target/30413
5341         * config/i386/i386.c (print_operand) ['z']: Output 'b' for
5342         operands of size 1.
5344 2007-01-14  Jan Hubicka  <jh@suse.cz>
5346         * tree-dfa.c (remove_referenced_var): New function.
5347         * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
5348         prune referenced vars list too.
5349         * tree-flow.h (remove_referenced_var): Declare.
5351 2007-01-14  Jan Hubicka  <jh@suse.cz>
5353         * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
5354         separately.
5355         (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
5356         (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
5357         * except.h (verify_eh_throw_table_statements): Kill prototype.
5358         * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
5359         into call exrepssions.
5360         * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
5361         eh trhow verifier.
5362         * tree-cfg.c: Include pointer-set.h.
5363         (verify_node_sharing): Work on pointer set.
5364         (verify_eh_throw_stmt_node): New.
5365         (verify_stmts): Use pointers sets, verify throw_stmt.
5367 2007-01-13  Zdenek Dvorak <dvorakz@suse.cz>
5369         * ipa-reference.c (analyze_function): Consider also addresses taken
5370         in phi nodes.
5372 2007-01-12  Roger Sayle  <roger@eyesopen.com>
5374         * c-typeck.c (null_pointer_constant_p): Replace use of
5375         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
5376         (build_c_cast): Likewise.
5378 2007-01-12  Roger Sayle  <roger@eyesopen.com>
5380         * tree.h (force_fit_type_double): Remove unused final argument.
5381         * c-common.c (constant_expression_warning): Replace use of
5382         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
5383         (convert_and_check): Likewise.
5384         (shorten_compare): Update call to force_fit_type_double.
5385         (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
5386         * convert.c (convert_to_pointer): Update call to
5387         force_fit_type_double.
5388         * fold-const.c (force_fit_type_double): Remove overflowed_const
5389         argument.
5390         (int_const_binop, fold_convert_const_int_from_int,
5391         fold_convert_const_int_from_real, fold_div_compare,
5392         fold_sign_changed_comparison, fold_unary, fold_negate_const,
5393         fold_abs_const, fold_not_const): Remove the final argument from
5394         calls to force_fit_type_double.
5396 2007-01-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5398         * configure.ac: Set insn to "nop" for spu-*-* also.
5399         * configure: Regenerate.
5401 2007-01-12  Olga Golovanevsky  <olga@il.ibm.com>
5403         * builtins.def : Add BUILT_IN_FREE.
5405 2007-01-12  Jan Hubicka  <jh@suse.cz>
5407         PR tree-optimization/30443
5408         * tree-inline.c (tree_function_versioning): Do not optimize when
5409         cloning for inlining.
5411 2007-01-12  Zdenek Dvorak <dvorakz@suse.cz>
5413         * doc/loop.texi: Document recording of loop exits.
5414         * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
5415         (update_single_exits_after_duplication,
5416         update_single_exit_for_duplicated_loop,
5417         update_single_exit_for_duplicated_loops): Removed.
5418         (duplicate_loop_to_header_edge): Do not call
5419         update_single_exits_after_duplication and
5420         update_single_exit_for_duplicated_loops.
5421         (loop_version): Do not update single_exit information.
5422         (fix_loop_structure): Use record_loop_exits instead of
5423         mark_single_exit_loops.
5424         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
5425         the lists of loop exits.
5426         * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
5427         split_edge, merge_blocks): Update the lists of loop exits.
5428         * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
5429         loop_optimizer_init.
5430         * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
5431         of mark_single_exit_loops.
5432         (loop_optimizer_finalize): Call release_recorded_exits.
5433         * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
5434         LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
5435         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
5436         update single exit information.
5437         * lambda-code.c (perfect_nestify): Ditto.
5438         * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
5439         (mark_single_exit_loops): Removed.
5440         (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
5441         get_exit_descriptions, rescan_loop_exit, record_loop_exits,
5442         dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
5443         functions.
5444         (get_loop_exit_edges, single_exit): Use recorded exit lists.
5445         (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
5446         (verify_loop_structure): Verify consistency of the exit lists.
5447         (flow_loops_find): Use alloc_loop.  Initialize exits hash.
5448         (set_single_exit): Removed.
5449         * cfgloop.h (struct loop_exit): New function.
5450         (struct loop): single_exit_ field replaced by exits field.
5451         (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
5452         (struct loops): Added exits hash.
5453         (mark_single_exit_loops, set_single_exit): Declaration removed.
5454         (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
5456 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
5458         * doc/invoke.texi: Avoid use of @headitem.
5460 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
5462         * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
5464 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
5466         * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
5467         list of targets.
5469 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
5470             Richard Sandiford  <richard@codesourcery.com>
5472         * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
5473         * config/m68k/m68k.opt: Resort options.
5474         (mbitfield, mrtd, mshort): Remove RejectNegative properties.
5476 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
5477             Richard Sandiford  <richard@codesourcery.com>
5479         * doc/invoke.texi: Document the macros that are defined by
5480         m68k's -mtune and -mhard-float options.
5481         * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
5482         (m68k_cpp_cpu_family): Likewise.
5483         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
5484         of __ucfv*__ macros.  Define __mcffpu__ if generating code for
5485         ColdFire FPUs.  Define __mcf_cpu_* and __mcf_family_* macros.
5486         * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
5487         (m68k_cpp_cpu_family): Likewise.
5489 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
5491         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
5492         macros besides mc68000 as tuning macros.  Use a switch statement
5493         to set them and mcpu32.
5495 2007-01-12  Julian Brown  <julian@codesourcery.com>
5497         * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
5498         (TARGET_68040_ONLY): Rename to...
5499         (TARGET_68040): ...this.
5500         * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
5501         * config/m68k/m68k.md: Likewise.
5503 2007-01-12  Julian Brown  <julian@codesourcery.com>
5504             Nathan Sidwell  <nathan@codesourcery.com>
5505             Richard Sandiford  <richard@codesourcery.com>
5507         * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
5508         the -mcpu= argument associated with the --with-cpu setting.
5509         Define M68K_DEFAULT_TUNE to the default -mtune= option,
5510         if different from the one implied by the -mcpu setting.
5511         Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
5512         using mcpu=FOO as the default CPU option.  Set target_cpu_default2.
5513         * doc/invoke.texi: Mention ColdFire in the introduction to the
5514         m68k options.  Document the new -march, -mcpu, -mtune, -mdiv,
5515         -mno-div and -mhard-float options.  Make -m68881 a synonym for
5516         -mhard-float.  Document the previously-undocumented -m5206e,
5517         -m528x, -m5307 and -m5407 options.  Tweak the existing option
5518         documentation for consistency.
5519         * doc/install.texi: Mention new --with-cpu arguments.
5520         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
5521         default CPU if neither -mcpu nor -march are specified.
5522         (ASM_CPU_SPEC): Pass down -mcpu and -march options.
5523         (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
5524         TARGET_ISA*.  Set the legacy __mcf*__ cpu macros in the same way,
5525         using m68k_tune to decide between families that implement the
5526         same ISA.  Use m68k_tune to set __mcfv4e__.
5527         (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
5528         (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
5529         (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
5530         (FL_ISA_C, FL_ISA_MMU): New macros.
5531         (MASK_COLDFIRE): Delete.
5532         (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
5533         (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
5534         (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
5535         (TARGET_HARD_FLOAT): Do not define here.
5536         (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
5537         (TUNE_68000): New macro.
5538         (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
5539         (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
5540         (TUNE_CFV2): Redefine in terms of m68k_tune.
5541         (uarch_type, target_device, fpu_type): New enums.
5542         (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
5543         * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
5544         (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
5545         (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
5546         (FL_FOR_isa_c): New macros.
5547         (m68k_isa): New enum.
5548         (m68k_target_selection): New structure.
5549         (all_devices, all_isas, all_microarchs): New tables.
5550         (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
5551         (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
5552         (MASK_ALL_CPU_BITS): Delete.
5553         (m68k_find_selection): New function.
5554         (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
5555         Map the legacy target options to a combination of the new ones.
5556         (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
5557         m68k_cpu_flags.  Handle M68K_DEFAULT_TUNE.  Use m68k_cpu_flags
5558         to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
5559         settings.
5560         * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
5561         (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
5562         properties.
5563         (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
5564         (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
5565         * config/m68k/m68k-devices.def: New file.
5567 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
5568             Nathan Sidwell  <nathan@codesourcery.com>
5570         * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
5571         (SUBTARGET_EXTRA_SPECS): New macros.
5572         * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
5573         use %(asm_cpu_spec) instead.
5574         * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
5575         * config/m68k/openbsd.h (ASM_SPEC): Likewise.
5576         * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
5577         (EXTRA_SPECS): Rename to...
5578         (SUBTARGET_EXTRA_SPECS): ...this.
5580 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
5581             Richard Sandiford  <richard@codesourcery.com>
5582             Julian Brown  <julian@codesourcery.com>
5584         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
5585         (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
5586         to the configuration's default CPU.
5587         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
5588         Remove default masks.
5589         (m680[012]0-*-*): Set the default with_cpu to the first part of
5590         the target name.
5591         (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
5592         (m68k*-*-linux): Extend the --with-cpu handling to...
5593         (m680[012]0-*-*, m68k*-*-*): ...these configurations.  Allow m68000
5594         and m68010.  Don't set target_cpu_default2.
5595         * doc/install.texi: Document --with-cpu for m68k.
5596         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
5597         * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
5598         (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
5599         (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
5600         (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
5601         (ASM_SPEC): Remove use of %(asm_cpu_default).
5602         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
5603         * config/m68k/linux.h (TARGET_DEFAULT): Delete.
5604         (CPP_SPEC): Merge definitions.  Do not handle __HAVE_68881__ here.
5605         * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
5606         __HAVE_FPU__ if TARGET_HARD_FLOAT.
5607         (TARGET_DEFAULT): Delete.
5608         (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
5609         cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
5610         (CPP_CPU_SPEC): Delete.
5611         (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
5612         the appropriate string.
5613         (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
5614         (CPP_SPEC): Define to NETBSD_CPP_SPEC.
5615         (ASM_SPEC): Don't use %(asm_default_spec).
5616         * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
5617         TARGET_DEFAULT and add MASK_68881.
5618         * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
5620 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
5622         * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
5623         (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
5624         MASK_68010 alongside MASK_68020.
5625         * doc/invoke.texi: Document -m68010.
5626         * config/m68k/m68k.opt (m68010): New.
5627         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
5628         if TUNE_68010.
5629         (TUNE_68010): New macro.
5630         * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
5631         (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
5632         (M68K_CPU_m68332): Add MASK_68010.
5633         * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
5634         fallback definition.
5635         * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
5636         defines.
5637         * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
5638         (m68k_handle_option): Handle OPT_m68010.  Add MASK_68010
5639         to all entries that use MASK_68020.
5640         (output_move_simode_const, output_move_himode, output_move_qimode)
5641         (output_move_stricthi, output_move_strictqi): Use TARGET_68010
5642         instead of TARGET_68020 to select clr behavior.  Remove comment
5643         about there being no TARGET_68010.
5644         * config/m68k/m68k.md: Likewise throughout.
5646 2007-01-12  Julian Brown  <julian@codesourcery.com>
5648         * config/m68k/m68k.h (TARGET_ISAB): New macro.
5649         * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
5650         * config/m68k/m68k.md: Likewise.
5652 2007-01-12  Julian Brown  <julian@codesourcery.com>
5654         * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
5655         TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
5657 2007-01-12  Julian Brown  <julian@codesourcery.com>
5659         * config/m68k/m68k.h (TUNE_68040_60): New macro.
5660         * config/m68k/m68k.c (standard_68881_constant_p): Use it.
5661         * config/m68k/m68k.md: Likewise.
5663 2007-01-12  Julian Brown  <julian@codesourcery.com>
5664             Richard Sandiford  <richard@codesourcery.com>
5666         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
5667         instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
5668         TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
5669         TARGET_CPU32.
5670         (TARGET_CPU32): Rename to...
5671         (TUNE_CPU32): ...this.
5672         (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
5673         (TUNE_CFV2): New macros.
5674         * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
5675         remove conditions that are implied by TARGET_68020.
5676         * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
5677         instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
5678         (m68k_output_function_epilogue): Likewise.
5679         (m68k_rtx_costs): Likewise.  Use TUNE_68060 instead of TARGET_68060
5680         and TUNE_CFV2 instead of TARGET_5200.  Use TUNE_68000_10 instead of
5681         "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
5682         non-68000 timings.  Refactor multiplication and division costs.
5683         (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
5684         TUNE_CPU32 instead of TARGET_CPU32.
5685         (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
5686         and TUNE_68060 instead of TARGET_68060.
5687         * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
5688         TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
5689         TARGET_CPU32.
5690         (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
5691         && !TARGET_COLDFIRE" to choose between moveq and clr.
5692         Likewise in the unnamed movsf pattern.
5693         (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
5694         "!TARGET_68020 && !TARGET_COLDFIRE".  Likewise the unnamed
5695         ashiftrt pattern.
5697 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
5699         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
5700         of tabbing before backslashes.
5702 2007-01-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5704         * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
5705         * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
5706         (ASM_OUTPUT_INTERNAL_LABEL): Define.
5708 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
5710         * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
5711         find_interesting_uses_cond.
5712         (find_interesting_uses_cond): Use extract_cond_operands.
5713         (rewrite_use_compare): Use extract_cond_operands and
5714         force_gimple_operand_bsi.  Do not call update_stmt.
5715         (determine_use_iv_cost_condition): Use extract_cond_operands.
5716         Return cheaper of using original bound and changing the exit bound.
5718 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
5720         PR tree-optimization/29516
5721         * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
5722         most_expensive_mult_to_index, addr_to_parts,
5723         create_mem_ref, maybe_fold_tmr): Make the type of
5724         fields of TARGET_MEM_REF sizetype.
5725         (move_fixed_address_to_symbol, move_pointer_to_base):
5726         New functions.
5727         * tree.def (TARGET_MEM_REF): Add comment on types of
5728         the operands.
5730 2007-01-11  Joseph Myers  <joseph@codesourcery.com>
5732         * c-common.c (vector_types_convertible_p): Treat opaque types as
5733         always convertible if they have the same size, but not otherwise.
5735 2007-01-11  Steven Bosscher  <steven@gcc.gnu.org>
5737         * ifcvt.c (struct noce_if_info): Add comments to the fields.
5738         Remove the b_unconditional field.
5739         (noce_try_sign_mask): Do not look at b_unconditional.
5740         (noce_process_if_block): Do not use merge_if_blocks.  Update
5741         the CFG here.  Do not set b_unconditional.
5742         (cond_move_process_if_block): Likewise.
5743         (find_cond_trap): Likewise.
5744         (check_cond_move_block): Require simple jump insns at the end
5745         of the basic block.
5747 2007-01-11  Jan Hubicka  <jh@suse.cz>
5749         PR tree-optimization/1046
5750         * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
5751         when alias info is not ready.
5752         (pass_tail_recursion): Do not require aliasing.
5753         * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
5754         * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
5755         * tree-ssa-copy.c (pass_copy_prop): Likewise.
5756         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
5757         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
5758         * passes.c (init_optimization_passes): Execute rename_ssa_copies,
5759         ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
5760         before inlining.
5761         * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
5762         When aliasing is not build, mark statement as volatile.
5764 2007-01-11  Tom Tromey  <tromey@redhat.com>
5766         PR preprocessor/15185, PR preprocessor/20989:
5767         * doc/cppopts.texi <-MT>: Update description of algorithm for
5768         computing default target.
5769         <-M, -MD>: Reword "basename" text.
5771 2007-01-11  Roger Sayle  <roger@eyesopen.com>
5773         * builtins.c (expand_builtin_pow, expand_builtin_powi,
5774         fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
5775         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
5776         fold_builtin_int_int_roundingfn, fold_builtin_bitop,
5777         fold_builtin_bswap, real_constp, fold_builtin_pow,
5778         fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
5779         do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
5780         uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
5781         * convert.c (convert_to_pointer): Likewise.
5782         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
5783         * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
5784         const_binop, fold_convert_const_int_from_int,
5785         fold_convert_const_int_from_real,
5786         fold_convert_const_real_from_real, sign_bit_p,
5787         optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
5788         fold_sign_changed_comparison, fold_unary, fold_comparison,
5789         fold_binary, multiple_of_p, tree_Expr_non_zero_p,
5790         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
5791         * print-tree.c (print_node_brief, print_node): Likewise.
5792         * stor-layout.c (place_field, layout_type): Likewise.
5793         * tree-chrec.c (keep_cast): Likewise.
5794         * tree.c (build_vector, build_real, build_real_from_int_cst,
5795         build_complex): Likewise.
5797 2007-01-11  Roger Sayle  <roger@eyesopen.com>
5799         * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete.  For the time being,
5800         treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
5802 2007-01-11  Paolo Bonzini  <bonzini@gnu.org>
5804         * configure.ac (strict1_warn): Rename to strict_warn.
5805         (WERROR, --enable-werror, symlink hacks, stage1_cflags,
5806         cc_set_by_configure, quoted_cc_set_by_configure,
5807         stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
5808         all_boot_languages, all_stagestuff): Remove.
5809         (target_list): Remove bootstrap targets.
5810         * Makefile.in (quickstrap): Unconditionally make a synonym of all.
5811         (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
5812         REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
5813         SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
5814         VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
5815         STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
5816         stage1_copy, stage2_build, stage2_copy, stageprofile_build,
5817         stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
5818         stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
5819         bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
5820         bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
5821         unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
5822         restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
5823         cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
5824         *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
5825         stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
5826         stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
5827         risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
5828         (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
5829         (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
5830         (mostlyclean): Adjust.
5831         (clean, distclean): Don't mention bootstrap stuff.
5832         * configure: Regenerate.
5833         * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
5834         java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
5835         treelang/config-lang.in (stagestuff): Remove.
5836         * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
5837         stageprofile, stagefeedback, stagestuff): Remove mention.
5839 2007-01-11  Nick Clifton  <nickc@redhat.com>
5841         * config/mcore/predicates.md (mcore_general_movesrc_operand):
5842         Accept CONSTs.
5843         (mcore_general_movdst_operand): Do not accept CONST_INTs.
5844         (mcore_arith_K_S_operand): Run the test for the S constraint not
5845         the test for the M constraint.
5846         (mcore_addsub_operand): Do not accept integer values that are
5847         larger than 32 bits.
5848         * config/mcore/mcore.md: Remove unused constraints from split.
5849         (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
5850         (addsi3): Likewise.
5851         (allocate_stack): Likewise.
5852         * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
5853         operands to 32 bits.
5854         (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
5855         INTVAL.
5856         (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
5857         mcore_const_ok_for_inline, mcore_const_trick_uses_not,
5858         try_constant_tricks, mcore_num_ones, mcore_num_zeros,
5859         mcore_output_bclri, mcore_output_andn, output_inline_const,
5860         mcore_output_move, mcore_output_movedouble): Likewise.
5861         (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
5862         (output_inline_const): Likewise.
5863         (output_inline_const): Fix format strings used in sprintf
5864         statements.
5865         * config/mcore/mcore-protos.h: Update prototypes for changed
5866         functions in mcore.c.
5867         * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
5868         HOST_WIDE_INT and not int.
5869         (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
5870         CONST_OK_FOR_N): Likewise.
5871         (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
5872         (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
5873         an INTVAL.
5875 2007-01-10  Jan Hubicka  <jh@suse.cz>
5877         * tree-vrp.c (remove_range_assertions): Release defs.
5878         * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
5879         * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
5881 2007-01-10  Paul Brook  <paul@codesourcery.com>
5883         * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
5884         * config/arm/arm.md (mulsi3subsi): New insn.
5886 2007-01-10  Zdenek Dvorak <dvorakz@suse.cz>
5888         * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
5889         (tree_transform_and_unroll_loop): New.
5890         * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
5891         Declare.
5893 2007-01-10  Robert Kennedy <jimbob@google.com>
5895         * fold-const.c (fold_comparison): Fold comparisons like (x *
5896         1000 < 0) to (x < 0).
5898 2007-01-10  Ian Lance Taylor  <iant@google.com>
5900         * tree-pretty-print.c (dump_generic_node): Print parentheses when
5901         operands have the same priority.
5903 2007-01-10  Tom Tromey  <tromey@redhat.com>
5905         * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
5906         (fold_binary): Likewise.
5907         * langhooks.c (lhd_can_use_bit_fields_p): Removed.
5908         * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
5909         (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
5910         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
5911         * langhooks.h (struct lang_hooks): Removed field
5912         'can_use_bit_fields_p'.
5914 2007-01-10  Ralf Corsépius <ralf.corsepius@rtems.org>
5916         * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
5918 2007-01-10  Razya Ladelsky  <razya@il.ibm.com>
5920         * function.c (get_last_funcdef_no): New function.
5921         * function.h (get_last_funcdef_no): Declare.
5922         * tree-inline.c (initialize_cfun): Add initialization.
5923         (tree_function_versioning): Cleanup.
5925 2007-01-10  Jan Hubicka  <jh@suse.cz>
5927         * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
5928         PHIs.
5930 2007-01-10  Sa Liu  <saliu@de.ibm.com>
5931             Ben Elliston  <bje@au.ibm.com>
5933         * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
5934         for SAVE_NONLOCAL and Pmode for any other save level.
5935         * spu-protos.h (spu_restore_stack_block): Declare.
5936         * spu.md (save_stack_block): Remove.
5937         (restore_stack_block): Call spu_restore_stack_block.
5938         * spu.c (spu_restore_stack_block): New function.
5939         (spu_expand_epilogue): Remove old comment.
5941 2007-01-09  Zdenek Dvorak <dvorakz@suse.cz>
5943         PR tree-optimization/30322
5944         * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
5945         (cand_value_at): Return the value as aff_tree.
5946         (may_eliminate_iv): Convert the bound from aff_tree to tree.
5947         * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
5948         aff_combination_mult): New functions.
5949         (aff_combination_add): Use aff_combination_add_cst.
5950         (aff_combination_convert): Allow conversions to a wider type.
5951         (tree_to_aff_combination): Handle BIT_NOT_EXPR.
5952         * tree-affine.h (aff_combination_mult): Declare.
5954 2007-01-09  Carlos O'Donell  <carlos@codesourcery.com>
5956         * doc/tm.texi: Update documentation to reflect reality of exec
5957         and start file search behaviours. Update copyright year.
5958         * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
5959         header file directories.
5961 2007-01-09  Uros Bizjak  <ubizjak@gmail.com>
5963         * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
5964         (*cosxf2): Rename to cosxf2_i387.
5965         (*sindf2, *sinsf2): Extend operand 1 to XFmode.  Macroize patterns
5966         using X87MODEF12 mode macro. Rename patterns to
5967         *sin_extend<mode>xf2_i387.  Use SSE_FLOAT_MODE_P to disable patterns
5968         for SSE math.
5969         (*cosdf2, *cossf2): Ditto.
5970         (sincosdf3, sincossf3): Ditto.  Rewrite corresponding splitters
5971         to match extended input operands.
5972         (sincos<mode>3): New expander.
5973         (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
5974         insn patterns and corresponding splitters.
5976 2007-01-09  Kaz Kojima  <kkojima@gcc.gnu.org>
5978         * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
5979         (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
5981 2007-01-09  Nicolas Pitre  <nico@cam.org>
5983         PR target/30173
5984         * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
5986 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
5988         * target.h (struct gcc_target): New field library_rtti_comdat.
5989         * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
5990         (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
5991         * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
5992         * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
5994 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
5996         * doc/invoke.texi (Optimize Options): Correct description of -O0.
5998 2007-01-08  Richard Guenther  <rguenther@suse.de>
6000         * tree.h (force_fit_type_double): Export.
6001         (force_fit_type): Remove.
6002         * fold-const.c (force_fit_type_double): New function.
6003         (force_fit_type): Remove.
6004         (int_const_binop): Use it.
6005         (fold_convert_const_int_from_int): Likewise.
6006         (fold_convert_const_int_from_real): Likewise.
6007         (fold_div_compare): Likewise.
6008         (fold_sign_changed_comparison): Likewise.
6009         (fold_unary): Likewise.
6010         (fold_negate_const): Likewise.
6011         (fold_abs_const): Likewise.
6012         (fold_not_const): Likewise.
6013         * c-common.c (shorten_compare): Use force_fit_type_double.
6014         * convert.c (convert_to_pointer): Likewise.
6016 2007-01-08  Richard Guenther  <rguenther@suse.de>
6018         * tree.h (build_int_cst_wide_type): Export.
6019         * tree.c (build_int_cst_wide_type): New function.
6020         (build_int_cst_wide): Fix comment.
6021         * builtins.c (fold_builtin_object_size): Use build_int_cst
6022         to build -1 or 0 of the correct type.  Use fit_double_type
6023         to check for overflow.
6024         * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
6025         to build the mask.
6026         (decode_field_reference): Likewise.
6027         (all_ones_mask_p): Likewise.
6028         (native_interpret_int): Use build_int_cst_wide_type.
6029         (fold_binary): Use build_int_cst_type to build an all-ones
6030         value.
6031         * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
6033 2007-01-08  Daniel Jacobowitz  <dan@codesourcery.com>
6035         * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
6037 2007-01-09  Ben Elliston  <bje@au.ibm.com>
6039         * genautomata.c (STATS_OPTION): New option.
6040         (stats_flag): New flag.
6041         (gen_automata_option): Handle it.
6042         (initiate_automaton_gen): Ditto.
6043         (write_automata): Output statistics only if stats_flag is
6044         set. Likewise, output time statistics only if time_flag is set.
6045         * doc/md.texi (Processor pipeline description): Document new flag.
6047 2007-01-08  Richard Guenther  <rguenther@suse.de>
6049         * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
6050         * tree.c (build_int_cst_type): Likewise.
6051         (size_in_bytes): Don't call force_fit_type on the result.
6052         (int_fits_type_p): Use fit_double_type.
6053         * fold-const.c (fit_double_type): New function.
6054         (force_fit_type): Use it.
6055         * tree.h (fit_double_type): Export.
6057 2007-01-08  Jan Hubicka  <jh@suse.cz>
6059         * tree-vectorizer.c (gate_increase_alignment): Fix return type.
6060         * ipa.c (function_and_variable_visibility): Fix return type.
6062 2007-01-08  Richard Guenther  <rguenther@suse.de>
6064         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
6065         of offset to build the index.
6066         * tree-pretty-print.c (dump_generic_node): Don't build negated
6067         const just for printing.
6068         * c-pretty-print.c (pp_c_integer_constant): Likewise.
6069         * builtins.c (fold_builtin_int_roundingfn): Check if result
6070         fits the type by using force_fit_type and comparing the result.
6071         * predict.c (predict_loops): Use compare_tree_int for comparison.
6072         * tree.c (build_int_cst): Fall back to integer_type_node for
6073         NULL_TREE type.
6074         (build_int_cst_wide): Assert type is non-null.
6076 2007-01-08  Roberto Costa  <roberto.costa@st.com>
6078         * tree-vrp.c (extract_range_from_cond_expr): New.
6079         (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
6080         * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
6081         as expressions.
6082         (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
6083         * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
6084         tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
6085         used as expressions.
6086         * tree-object-size.c (cond_expr_object_size): New.
6087         (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
6089 2007-01-08  Jan Hubicka  <jh@suse.cz>
6091         * tree-ssa-forwprop.c (forward_propagate_into_cond,
6092         tree_ssa_forward_propagate_single_use_va): Release defs of propagated
6093         statement.
6095 2007-01-08  Richard Guenther  <rguenther@suse.de>
6097         PR tree-optimization/23603
6098         * tree-vrp.c (set_value_range_to_truthvalue): New function.
6099         (extract_range_from_binary): Fall back to truthvalue instead of
6100         varying for TRUTH_*_EXPR.
6101         (extract_range_from_comparison): Fall back to truthvalue instead of
6102         varying.
6103         (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
6104         if all visited PHI values were constant.
6106 2007-01-08  Jan Hubicka  <jh@suse.cz>
6108         * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
6109         (cgraph_analyze_function): break out from ...
6110         (cgraph_finalize_compilation_unit): ... here.
6111         (cgraph_expand_function): Remove forgoten commented out line.
6112         (cgraph_optimize): Analyze functions.
6114 2007-01-08  Jan Hubicka  <jh@suse.cz>
6116         * tree-pas.h (TODO_remove_function): New flag.
6117         (TODO_update*): Renumber.
6118         (pass_ipa_increase_alignment,
6119         pass_ipa_function_and_variable_visibility): New passes.
6120         * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
6121         (cgraph_function_and_variable_visibility): Move to ipa.c
6122         (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
6123         cgraph_increase_alignment.
6124         * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
6125         (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
6126         calling tree-inline.
6127         (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
6128         (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
6129         * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
6130         (gate_increase_alignment): New function.
6131         (pass_ipa_increase_alignment): New pass.
6132         * ipa.c: Inline tree-pass.h and timevar.h
6133         (function_and_variable_visibility): Move here from cgraphunit.c
6134         * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
6135         * passes.c (init_optimization_passes): Add the two new passes.
6136         (execute_todo): Handle cgraph_remove_functions.
6138 2007-01-08  Nick Clifton  <nickc@redhat.com>
6140         * config/frv/predicates.md (reg_or_0_operand): Accept
6141         CONST_DOUBLEs.
6143 2007-01-08  Ralf Corsépius <ralf.corsepius@rtems.org>
6145         * config/bfin/rtems.h, config/bfin/t-rtems: New.
6146         * config.gcc: Add bfin*-rtems*.
6148 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
6150         * c.opt: Add -flax-vector-conversions.
6151         * c-typeck.c (convert_for_assignment): Pass flag to
6152         vector_types_convertible_p to allow emission of note.
6153         (digest_init): Likewise.
6154         * c-opts.c: Handle -flax-vector-conversions.
6155         * c-common.c (flag_lax_vector_conversions): New.
6156         (vector_types_convertible_p): Unless -flax-vector conversions
6157         has been passed, disallow conversions between vectors with
6158         differing numbers of subparts and/or element types.  If such
6159         a conversion is disallowed, possibly emit a note on the first
6160         occasion only to inform the user of -flax-vector-conversions.
6161         The new last argument specifies this.
6162         * c-common.h (flag_lax_vector_conversions): New.
6163         (vector_types_convertible_p): Add extra argument.
6164         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
6165         char_type_node for V*QI type vectors.
6166         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
6167         Update to satisfy new typechecking rules.
6168         * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
6169         C and C++ variants.
6170         * doc/invoke.texi (C Dialect Options): Document
6171         -flax-vector-conversions.
6173 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
6175         PR tree-optimization/29877
6176         * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
6177         a register variable on the RHS to not be replaceable.
6179 2007-01-08  Chen Liqin  <liqin@sunnorth.com.cn>
6180         * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
6181         * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
6182         const_simm15, const_pow2, const_npow2): Added.
6183         * config/score/misc.md (insv, extv, extzv, movmemsi,
6184         move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
6185         * config/score/score.c (score_address_cost, score_select_cc_mode):
6186         Added.
6187         Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
6188         Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
6189         Update score_print_operand.
6190         * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
6191         Adjust register allocate order and update some macro define.
6192         * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
6193         mdx_block_move_straight, mdx_block_move_loop_head,
6194         mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
6195         mdx_block_move): Added.
6196         (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
6197         mdp_limm): Updated and fix some bug and typo.
6198         * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
6199         (movsf, movdf, doloop_end): Added.
6201 2007-01-08  Kazu Hirata  <kazu@codesourcery.com>
6203         * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
6204         config/arm/thumb2.md: Fix comment typos.
6205         * doc/extend.texi: Fix a typo.
6207 2007-01-07  Eric Christopher  <echristo@apple.com>
6209         * configure.ac: Check for __stack_chk_fail for darwin.
6210         * configure: Regenerate.
6212 2007-01-07  Richard Guenther  <rguenther@suse.de>
6214         * tree-vrp.c (extract_range_from_assert): CSE calls to
6215         compare_values where possible.
6216         (extract_range_from_unary_expr): Likewise.
6218 2007-01-07  Anatoly Sokolov <aesok@post.ru>
6220         * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
6221         * config/avr/avr.c (call_insn_operand): Delete function.
6222         * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
6223         instead of register number. Use predicates.
6224         * config/avr/predicates.md (const0_operand, reg_or_0_operand,
6225         call_insn_operand): Add.
6227 2007-01-06  Jan Hubicka  <jh@suse.cz>
6229         * tree-pass.h (pass_build_cgraph_edges): Declare.
6230         * cgraphunit.c (record_refernece): Move to cgraphbuild.c
6231         (visited_nodes): Remove.
6232         (cgraph_create_edges): Move to cgraphbuild.c; rename to
6233         build_cgrpah_edges; make visited_nodes local.
6234         (cgraph_process_new_functions): DO not call initialize_inline_failed.
6235         (record_references_in_initializer): Move to cgraphbuild.c
6236         (initialize_inline_failed, rebuild_cgraph_edges,
6237         pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
6238         (verify_cgraph_node): Make visited_nodes local.
6239         (cgraph_analyze_function): Do not call cgraph_create_edges and
6240         initialize_inline_failed.
6241         (cgraph_expand_function): Do not call cgraph_lower_function;
6242         assert that function is already lowered.
6243         * Makefile.in (cgraphbuild.o): New.
6244         * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
6245         at the end of lowering passes.
6247 2007-01-06  Steven Bosscher  <steven@gcc.gnu.org>
6249         * ifcvt.c (cond_move_convert_if_block): New function, code
6250         factored out from...
6251         (cond_move_process_if_block): ...here.  Call the new function
6252         on the THEN and ELSE blocks.
6253         (merge_if_block): Do not copy global_live_at_end, merge_blocks
6254         already takes care of this.
6256 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6258         PR c/19978
6259         * tree.h (TREE_OVERFLOW_P): New.
6260         * c-typeck.c (parser_build_unary_op): Warn only if result
6261         overflowed and operands did not.
6262         (parser_build_binary_op): Likewise.
6263         (convert_for_assignment): Remove redundant overflow_warning.
6264         * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
6266 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6268         * c-typeck.c (store_init_value): Split over two lines to follow
6269         the GNU coding style.
6271 2007-01-05  Benjamin Kosnik  <bkoz@redhat.com>
6273         * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
6274         __GXX_EXPERIMENTAL_CXX0X__.
6275         * doc/cpp.texi: Same.
6277 2007-01-05  Richard Guenther  <rguenther@suse.de>
6279         PR middle-end/27826
6280         * tree.c (get_narrower): Do not construct COMPONENT_REFs
6281         with mismatched types.  Instead explicitly build a
6282         conversion NOP_EXPR.
6284 2007-01-05  Ian Lance Taylor  <iant@google.com>
6286         * c-common.c (decl_with_nonnull_addr_p): New function.
6287         (c_common_truthvalue_conversion): Call it.
6288         * c-typeck.c (build_binary_op): Likewise.
6289         * c-common.h (decl_with_nonnull_addr_p): Declare.
6291 2007-01-05  Jakub Jelinek  <jakub@redhat.com>
6293         PR c/30360
6294         * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
6295         denom against 0.0.
6297 2007-01-05  Joel Brobecker  <brobecker@adacore.com>
6299         * doc/install.texi (Final install): Document the fact that
6300         the GNAT runtime should not be stripped.
6302 2007-01-04  Jan Hubicka  <jh@suse.cz>
6304         * tree-inline.c (fold_marked_statements): Update operand caches
6305         and EH after folding
6307 2007-01-04  Ian Lance Taylor  <iant@google.com>
6309         * c-common.c (check_function_nonnull): Whitespace fix.
6311 2007-01-04  Jan Hubicka  <jh@suse.cz>
6313         * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
6314         comitted older version of patch.
6315         (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
6316         function, celanup cfg and collect garbage.
6318 2007-01-04  Mike Stump  <mrs@apple.com>
6320         * Makefile.in (mostlyclean): Don't remove libgcc anymore.
6321         (clean): Likewise.
6323 2007-01-04  Eric Christopher  <echristo@apple.com>
6325         * libgcc2.c (__bswapsi2): Use SItype.
6326         (__bswapdi2): Use DItype.
6327         * libgcc2.h: Update for above.
6329 2007-01-04  Paul Brook  <paul@codesourcery.com>
6331         * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
6332         mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
6333         mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
6334         umulsidi3, umulsidi3adddi, smulsi3_highpart,
6335         umulsi3_highpart): Make conditional on !arm_arch6.
6336         (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
6337         mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
6338         mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
6339         umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
6340         umulsi3_highpart_v6): New insns.
6342 2007-01-04  Roger Sayle  <roger@eyesopen.com>
6344         * fold-const.c (fold_convert): When casting an expression to void,
6345         fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
6346         have a type.  Instead of attempting to build a NOP_EXPR, return
6347         these "special" trees directly.
6349 2007-01-04  Joseph Myers  <joseph@codesourcery.com>
6351         * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
6352         MULT inside MINUS as either argument.  Use rs6000_cost->dmul -
6353         rs6000_cost->fp not 0 as adjustment for outer NEG.
6355 2007-01-04  Jan Hubicka  <jh@suse.cz>
6357         * cgraph.c (cgraph_release_function_body): New function.
6358         (cgraph_remove_node): Use it.
6359         * cgraph.h (cgraph_release_function_body): Declare.
6360         * cgraphunit.c (cgraph_expand_function): Use it.
6361         * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
6362         * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
6363         is initialized and while compilation of other function is running.
6364         * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
6365         statement CFG annotations from here to ...
6366         * tree-cfg.c (delete_tree_cfg_annotations): ... here.
6368 2007-01-04  Zdenek Dvorak <dvorakz@suse.cz>
6370         * cfgloop.h (enum li_flags): Make the constants powers of two.
6372 2007-01-04  Jan Hubicka  <jh@suse.cz>
6374         * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
6375         set.
6376         (fold_marked_statements): New function.
6377         (optimize_inline_calls, tree_function_versioning): Fold new statements.
6378         * tree-inline.h (copy_body_data): Add statements_to_fold.
6380 2007-01-03  Daniel Jacobowitz  <dan@codesourcery.com>
6382         * config.gcc: Mention libgcc/config.host.
6383         * Makefile.in: Update comments mentioning libgcc.
6384         (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
6385         (all.cross, start.encap, rest.encap, rest.cross): Update
6386         dependencies for libgcc move.
6387         (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
6388         (clean-target, clean-target-libgcc): Delete.
6389         (srcdirify, GCC_EXTRA_PARTS): New macros.
6390         (libgcc-support, libgcc.mvars): New rules.
6391         (distclean): Remove mention of mklibgcc.
6392         (install): Don't reference INSTALL_LIBGCC.
6393         (install-common): Don't reference EXTRA_PARTS.
6394         (install-libgcc, install-multilib): Delete rules.
6395         * mklibgcc.in: Delete file.
6396         * doc/configfiles.texi: Don't mention mklibgcc.
6398         * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
6399         * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
6400         * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
6401         * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
6402         (mklibgcc, ldblspecs): Likewise.
6404         * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
6405         (posixpre.def): Use $(T).
6406         (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
6407         (SHLIB_SRC, SHLIB_INSTALL): Delete.
6408         (SHLIB_LINK): Make dummy.
6409         * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
6411         * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
6413         * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
6414         * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
6415         config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
6416         config/rs6000/t-newas, config/sparc/t-elf: Likewise.
6418         * configure.ac (all_outputs): Remove mklibgcc.
6419         * configure: Regenerated.
6421 2007-01-03  Josh Conner  <jconner@apple.com>
6423         PR middle-end/29683
6424         * calls.c (compute_argument_addresses): Set stack and stack_slot
6425         for partial args, too.
6426         (store_one_arg): Use locate.size.constant for the size when
6427         generating a save_area.
6429 2007-01-03  Robert Kennedy <jimbob@google.com>
6431         * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
6432         whose definitions are deleted due to basic block merging.
6434 2007-01-03  Paul Brook  <paul@codesourcery.com>
6436         PR target/16634
6437         * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
6438         functions.
6439         (use_return_insn): Return 0 for Thumb interrupt functions.
6440         (print_multi_reg): Add rfe argument for IRQ returns.
6441         (arm_output_epilogue): Pop interrupt return address directly into PC.
6442         (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
6444 2007-01-03  Paul Brook  <paul@codesourcery.com>
6446         Merge from sourcerygxx-4_1.
6447         * config/arm/thumb2.md: New file.
6448         * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
6449         Thumb-2.
6450         * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
6451         * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
6452         (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
6453         * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
6454         tables.
6455         (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
6456         * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
6457         comptibility.
6458         * config/arm/ieee754-sf.S: Ditto.
6459         * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
6460         (thumb1_base_register_rtx_p): ... to this.
6461         (thumb_index_register_rtx_p): Rename...
6462         (thumb1_index_register_rtx_p): ... to this.
6463         (thumb_output_function_prologue): Rename...
6464         (thumb1_output_function_prologue): ... to this.
6465         (thumb_legitimate_address_p): Rename...
6466         (thumb1_legitimate_address_p): ... to this.
6467         (thumb_rtx_costs): Rename...
6468         (thumb1_rtx_costs): ... to this.
6469         (thumb_compute_save_reg_mask): Rename...
6470         (thumb1_compute_save_reg_mask): ... to this.
6471         (thumb_final_prescan_insn): Rename...
6472         (thumb1_final_prescan_insn): ... to this.
6473         (thumb_expand_epilogue): Rename...
6474         (thumb1_expand_epilogue): ... to this.
6475         (arm_unwind_emit_stm): Rename...
6476         (arm_unwind_emit_sequence): ... to this.
6477         (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
6478         thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
6479         thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
6480         arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
6481         thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
6482         thumb2_output_casesi): New functions.
6483         (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
6484         (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
6485         FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
6486         THUMB2_WORK_REGS): Define.
6487         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
6488         arm_condexec_mask, arm_condexec_masklen)): New variables.
6489         (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
6490         (arm_override_options): Check new CPU capabilities.
6491         Set new architecture flag variables.
6492         (arm_isr_value): Handle v7m interrupt functions.
6493         (user_return_insn): Return 0 for v7m interrupt functions.  Handle
6494         Thumb-2.
6495         (const_ok_for_arm): Handle Thumb-2 constants.
6496         (arm_gen_constant): Ditto.  Use movw when available.
6497         (arm_function_ok_for_sibcall): Return false for v7m interrupt
6498         functions.
6499         (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
6500         (thumb_find_work_register, arm_load_pic_register,
6501         legitimize_tls_address, arm_address_cost, load_multiple_sequence,
6502         emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
6503         print_multi_reg, output_mov_long_double_fpa_from_arm,
6504         output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
6505         output_mov_double_fpa_from_arm, output_move_double,
6506         arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
6507         output_return_instruction, arm_output_function_prologue,
6508         arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
6509         arm_output_mi_thunk, thumb_set_return_address): Ditto.
6510         (arm_expand_prologue): Handle Thumb-2.  Use arm_save_coproc_regs.
6511         (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
6512         (arithmetic_instr, shift_op): Use arm_shift_nmem.
6513         (arm_print_operand): Use arm_print_condition.  Handle '(', ')', '.',
6514         '!' and 'L'.
6515         (arm_final_prescan_insn): Use extract_constrain_insn_cached.
6516         (thumb_expand_prologue): Use thumb_set_frame_pointer.
6517         (arm_file_start): Output directive for unified syntax.
6518         (arm_unwind_emit_set): Handle stack alignment instruction.
6519         * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
6520         Add v6t2, v7, v7a, v7r and v7m.
6521         (RETLDM): Add Thumb-2 code.
6522         (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
6523         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
6524         (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
6525         TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
6526         THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
6527         ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
6528         THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
6529         CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
6530         ADJUST_INSN_LENGTH): Define.
6531         (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
6532         STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
6533         BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
6534         PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
6535         SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
6536         TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
6537         HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
6538         HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
6539         REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
6540         REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
6541         LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
6542         GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
6543         ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
6544         FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
6545         PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
6546         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
6547         * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
6548         cortex-m3.
6549         * config/arm/arm-tune.md: Regenerate.
6550         * config/arm/arm-protos.h: Update prototypes.
6551         * config/arm/vfp.md: Enable patterns for Thumb-2.
6552         (arm_movsi_vfp): Add movw alternative.  Use output_move_vfp.
6553         (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
6554         (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
6555         thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
6556         * config/arm/libunwind.S: Add Thumb-2 code.
6557         * config/arm/constraints.md: Update include Thumb-2.
6558         * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
6559         * config/arm/ieee754-df.S: Ditto.
6560         * config/arm/bpabi.S: Ditto.
6561         * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
6562         * config/arm/predicates.md (low_register_operand,
6563         low_reg_or_int_operand, thumb_16bit_operator): New.
6564         (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
6565         (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
6566         * config/arm/t-arm-elf: Add armv7 multilib.
6567         * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
6568         Include thumb2.md.
6569         (UNSPEC_STACK_ALIGN, ce_count): New.
6570         (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
6571         arm_zero_extendsidi2, arm_zero_extendqidi2): New
6572         insns/expanders.
6573         * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
6574         (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
6575         thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
6576         * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
6577         (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
6578         thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
6579         insns.
6580         * doc/extend.texi: Document ARMv7-M interrupt functions.
6581         * doc/invoke.texi: Document Thumb-2 new cores+architectures.
6583 2007-01-03  Jakub Jelinek  <jakub@redhat.com>
6585         * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
6586         (struct _Unwind_Context): Rename args_size to flags, remove
6587         signal_frame field, add a new args_size field and version field.
6588         (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
6589         _Unwind_IsExtendedContext): New inline functions.
6590         (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
6591         Assume by_value array is only present if _Unwind_IsExtendedContext.
6592         (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
6593         _Unwind_IsSignalFrame.
6594         (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
6595         (uw_update_context_1): Use _Unwind_SetSignalFrame.
6596         (uw_init_context_1): Initialize context->flags to
6597         EXTENDED_CONTEXT_BIT.
6598         * config/rs6000/linux-unwind.h (frob_update_context): Use
6599         _Unwind_SetSignalFrame.
6601 2007-01-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6603         PR middle-end/30353
6604         * gimplify.c (gimplify_modify_expr_complex_part): Move below
6605         tree_to_gimple_tuple.  Call tree_to_gimple_tuple when we need
6606         the value.
6608 2007-01-03  Kazu Hirata  <kazu@codesourcery.com>
6610         * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
6611         REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
6612         RET, AT_SP): Remove.
6613         * config/i386/i386.md (*sse_prologue_save_insn): Use return
6614         instead of RET.
6616         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
6617         * cfgbuild.c (find_basic_blocks): Likewise.
6618         * cfgrtl.c (rtl_create_basic_block): Likewise.
6619         * function.c (temp_slots_at_level): Likewise.
6620         * reg-stack.c (stack_regs_mentioned): Likewise.
6621         * regclass.c (allocate_reg_info): Likewise.
6622         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
6623         set_bb_for_stmt, move_block_to_fn): Likewise.
6624         * tree-complex.c (tree_lower_complex): Likewise.
6625         * vec.h (VEC_safe_grow_cleared): New.
6627         * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
6629 2007-01-03  Zdenek Dvorak <dvorakz@suse.cz>
6631         * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
6632         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
6633         to loop_version.
6634         * cfgloopmanip.c (scale_loop_frequencies): Export.
6635         (loopify): Scale the frequencies by prescribed coefficients.
6636         (set_zero_probability): New function.
6637         (duplicate_loop_to_header_edge): Improve updating of frequencies.
6638         (lv_adjust_loop_entry_edge, loop_version): Set probabilities
6639         and frequencies according to arguments.
6640         * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
6641         correctly.
6642         * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
6643         * modulo-sched.c (sms_schedule): Set probabilities for entering
6644         versioned loop correctly.
6645         * tree-vect-transform.c (vect_transform_loop): Ditto.
6646         * cfgloop.h (loopify, loop_version): Declaration changed.
6647         (scale_loop_frequencies): Declared.
6649 2007-01-02  Jan Hubicka  <jh@suse.cz>
6651         * cgraph.c: Include tree-flow.h
6652         (cgraph_add_new-function): Handle IPA_SSA mode; execute
6653         early_local_passes.
6654         * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
6655         * tree-pass.h (pass_all_early_optimizations): Declare.
6656         * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
6657         early_local_passes.
6658         (cgraph_analyze_function): Do early_local_passes.
6659         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
6660         Do not add referenced vars.
6661         * tree-optimize.c (gate_all_optimizations): Do not execute when not in
6662         SSA form.
6663         (gate_all_early_local_passes): New gate.
6664         (pass_early_local_passes): Use new gate.
6665         (execute_early_local_optimizations): New functions.
6666         (gate_all_early_optimizations): New gate.
6667         (pass_all_early_optimizations): New pass.
6668         (execute_free_datastructures): Free SSA only when initialized.
6669         (gate_init_datastructures): Init only when optimizing.
6670         (tree_lowering_passes): Do early local passes when called late.
6671         * tree-profile.c (do_tree_profiling): Don't profile functions added
6672         late.
6673         (do_early_tree_profiling, pass_early_tree_profile): Kill.
6674         * tree-cfg.c (update_modified_stmts): Do not update when operands are
6675         not active.
6676         * passes.c (init_optimizations_passes): Reorder so we go into SSA
6677         during early_local_passes.
6678         * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
6681 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
6683         * Makefile.in: Update copyright year.
6685 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
6687         * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
6688         in $(lang_checks) and check-consistency targets.
6690 2007-01-02  Jan Hubicka  <jh@suse.cz>
6692         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
6693         Do not add referenced vars.
6694         * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
6695         are not active.
6696         * passes.c (init_optimization_passes): Put mudflap_2 after
6697         free_datastructures.
6699 2007-01-02  Jan Hubicka  <jh@suse.cz>
6701         * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
6702         Set NOTHROW flag on call statements proved to be nothrow.
6703         Update statement of local calls so new pure/const functions are
6704         updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
6705         goto receivers.
6706         (tree_rest_of_compilation): Register hooks and initialize bitmap
6707         early. Do not set after_inlining flag.
6709 2007-01-02  Steve Ellcey  <sje@cup.hp.com>
6711         * sbitmap.c (HOST_BITS_PER_LONG_LONG):  Change to
6712         HOST_BITS_PER_LONGLONG
6714 2007-01-02  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
6716         PR c/19977
6717         * c-typeck.c (store_init_value): Don't emit pedantic overflow
6718         warning for non-static initializers.
6720 2007-01-02  Steven Bosscher  <steven@gcc.gnu.org>
6722         * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
6723         m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
6724         rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
6725         Always use set_unique_reg_note to add REG_EQUAL notes.
6727 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
6729         Revert:
6730         2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
6732         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
6733         * cfgbuild.c (find_basic_blocks): Likewise.
6734         * cfgrtl.c (rtl_create_basic_block): Likewise.
6735         * function.c (temp_slots_at_level): Likewise.
6736         * reg-stack.c (stack_regs_mentioned): Likewise.
6737         * regclass.c (allocate_reg_info): Likewise.
6738         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
6739         set_bb_for_stmt, move_block_to_fn): Likewise.
6740         * tree-complex.c (tree_lower_complex): Likewise.
6741         * vec.h (VEC_safe_grow_cleared): New.
6743 2007-01-02  Ian Lance Taylor  <iant@google.com>
6745         * c-common.c (c_common_truthvalue_conversion): When warning about
6746         using an assignment as a truth value, set TREE_NO_WARNING.
6748 2007-01-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6750         PR middle-end/7651
6751         * c.opt (Wold-style-declaration): New.
6752         * doc/invoke.texi (C-only Warning Options): New.
6753         (Wold-style-declaration): Document it.
6754         (Wextra): Enabled by -Wextra.
6755         * c-opts.c (c_common_post_options): Enabled by -Wextra.
6756         * c-decl.c (declspecs_add_scspec): Replace -Wextra with
6757         -Wold-style-declaration.
6759 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
6761         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
6762         * cfgbuild.c (find_basic_blocks): Likewise.
6763         * cfgrtl.c (rtl_create_basic_block): Likewise.
6764         * function.c (temp_slots_at_level): Likewise.
6765         * reg-stack.c (stack_regs_mentioned): Likewise.
6766         * regclass.c (allocate_reg_info): Likewise.
6767         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
6768         set_bb_for_stmt, move_block_to_fn): Likewise.
6769         * tree-complex.c (tree_lower_complex): Likewise.
6770         * vec.h (VEC_safe_grow_cleared): New.
6772 2007-01-02  Douglas Gregor  <doug.gregor@gmail.com>
6774         * c-common.c (c_common_nodes_and_builtins): Since variants of
6775         void_type_node get built before it is given a name, we need to
6776         give those variants the name, too.
6777         (complete_array_type): We need to work with the canonical main
6778         type of the array, from which we will build the qualified version.
6779         * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
6780         * print-tree.c (print_node): Display canonical type information
6781         for each type.
6782         * stor-layout.c (layout_type): When we don't know the
6783         alignment of a type for which we're building an array, we end up
6784         guessing wrong, so make the type require structural equality.
6785         * tree.c (make_node_stat): When we build a new type, it is its
6786         own canonical type.
6787         (build_type_attribute_qual_variant): When building an attribute
6788         variant, its canonical type is the non-attribute variant. However,
6789         if the attributes are target-dependent and they differ, we need to
6790         use structural equality checks for this type.
6791         (build_qualified_type): A qualified type is not equivalent to its
6792         unqualified variant; set the canonical type appropriately.
6793         (build_distinct_type_copy): When building a distinct type from
6794         another type, the new type is its own canonical type.
6795         (build_variant_type_copy): When building a new type variant, we
6796         assume that it is equivalent to the original type.
6797         (build_pointer_type_for_mode): When building a pointer type, also
6798         build a canonical type pointer.
6799         (build_reference_type_for_mode): When building a reference type,
6800         also build a canonical type reference.
6801         (build_index_type): When we can't hash an index type (e.g.,
6802         because its maximum value is negative), the index type requires
6803         structural equality tests.
6804         (build_array_type): Build the canonical form of an array type.
6805         (build_function_type): Function types require structural equality,
6806         because they contain default arguments, attributes, etc.
6807         (build_method_type_directly): Ditto for method types.
6808         (build_offset_type): Build the canonical offset type.
6809         (build_complex_type): Build the canonical vector type.
6810         (make_vector_type): Build the canonical vector type.
6811         * tree.h (TYPE_CANONICAL): New.
6812         (TYPE_STRUCTURAL_EQUALITY_P): New.
6813         (SET_TYPE_STRUCTURAL_EQUALITY): New.
6814         (struct tree_type): Added "canonical" field.
6815         * params.h (VERIFY_CANONICAL_TYPES): New.
6816         * doc/c-tree.texi (TYPE_CANONICAL): Document.
6817         (TYPE_STRUCTURAL_EQUALITY_P): Document.
6818         (SET_TYPE_STRUCTURAL_EQUALITY): Document.
6819         * doc/invoke.texi (verify-canonical-types): Document --param
6820         parameter for verifying canonical types.
6822 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
6824         * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
6825         powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
6826         powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
6827         powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
6828         tm_file.
6829         * config/rs6000/e500.h: New.
6830         * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
6831         TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
6832         Remove.
6833         * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
6834         TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
6835         TARGET_E500_DOUBLE): Remove.
6836         * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
6837         TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
6838         * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
6839         * config/rs6000/rs6000.c (rs6000_override_options): Use
6840         CHECK_E500_OPTIONS.
6842 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
6844         * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
6845         TARGET_E500_DOUBLE), not TARGET_E500, for %y.
6846         (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
6847         rs6000_emit_cmove): Don't check TARGET_E500.
6848         * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
6849         sordered): Don't check TARGET_E500.
6851 2007-01-01  Eric Christopher  <echristo@apple.com>
6853         * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
6854         HARD_REGISTER_NUM_P.
6856 2007-01-01  Roger Sayle  <roger@eyesopen.com>
6858         * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
6859         "X eq/ne (C1^C2)".  Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
6860         has no side-effects.  Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
6861         eq/ne Y".
6863 2007-01-01  Mike Stump  <mrs@apple.com>
6865         * configure.ac: Remove support for building with Apple's gcc-3.1.
6867 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
6869         PR middle-end/30311
6870         * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
6871         REG is a hard register.  Do not modify REG before calling
6872         subreg_nregs.
6873         * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
6874         multiple of the size of YMODE for certain lowpart cases.
6876 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
6878         PR middle-end/30253
6879         * gimplify (voidify_wrapper_expr): Update for
6880         GIMPLE_MODIFY_STMT.
6882 2007-01-01  Andreas Schwab  <schwab@suse.de>
6884         PR target/29166
6885         * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
6886         save of BR0 in extra_spill_size instead of spill_size.
6887         (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
6888         area.
6889         (ia64_expand_epilogue): Restore BR0 from its new location.
6891 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
6893         * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
6894         Use a temporary variable if the left hand side is not a gimple
6895         register.
6897 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
6899         * gimplify.c (gimplify_return_expr): Make the temporary variable
6900         for the return expression, a gimple register variable.
6902 2007-01-01  Jan Hubicka  <jh@suse.cz>
6904         * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
6905         INSN_LIST.
6907 2007-01-01  Mike Stump  <mrs@apple.com>
6909         * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
6910         .literal16.
6911         * config/darwin.c (machopic_select_rtx_section): Use
6912         HAVE_GAS_LITERAL16.
6913         (darwin_mergeable_constant_section): Likewise.
6914         * configure: Regenerate.
6915         * config.in: Regenerate.
6917 2007-01-01  Jan Hubicka  <jh@suse.cz>
6918             Andrew Pinski  <pinskia@gmail.com>
6920         * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
6921         before starting IPA passes.